Vegetation Management Project

April 29, 2019 11719

Amy Newby Director, Parks & Recreation City of San Carlos 600 Elm Street San Carlos, California 94070

Subject: Biological Resources Constraints Assessment for the City of San Carlos Fuel Management Project, San Carlos, San Mateo County, California

Dear Ms. Newby:

At the request of the City of San Carlos, Dudek conducted a biological constraints assessment for the proposed Fuel Management Project (project) that includes four distinct public parks in the City of San Carlos, San Mateo County, California: Big Canyon Park, Crestview Park, Eaton Park, and Highlands Park (Figures 1 and 2).

The currently proposed project would entail a series of vegetation management activities that will abate hazardous vegetation in the four city parks. These parks are largely undeveloped with walking trails that intersect the landscape. Specific goals of the vegetation management project include the following: (1) conduct targeted fuel reduction treatments using hand crews, masticators, track chippers, herbicides, and herbivory to reduce highly combustible underbrush and chaparral within the defensible space zone of adjacent private ownerships, (2) create strategic fuel breaks using hand crews, masticators, track chippers, and herbivory to reduce highly combustible underbrush and chaparral along access roads and ridgelines, and (3) remove dead/diseased and non-native trees as part of a comprehensive fuel reduction effort.

As part of the assessment, a reconnaissance-level field survey was conducted to identify and characterize existing biological conditions within the project site including the nature and extent of both common and sensitive natural vegetation communities, wetlands and other aquatic features potentially under the jurisdiction of state and federal resource agencies, and the potential for special-status plant and animal species to occur. Based on the field survey as well as on a review of appropriate literature and biological databases, potential constraints to proposed fuel management from on-site biological resources were identified.

This report provides a description of the project sites, a summary of the proposed project and purpose, methodology and results of the review of available database and literature searches as well as the field survey, and a discussion of potential constraints posed by biological resources to project implementation. Suggested measures and actions to avoid and/or minimize these constraints are also provided. Site Locations and Description

The project discussed herein consists of four sites: Big Canyon Park, Crestview Park, Eaton Park, and Highlands Park in the City of San Carlos, California (Figure 1). Combined, the four portions of the project site consist of approximately 131.4 acres. The four parks are maintained and operated by the City of San Carlos and located east

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of Interstate 280. From Interstate 280, the Big Canyon, Crestview, and Eaton Parks may be accessed via Crestview Drive and Brittan Avenue within the residential neighborhood of Crestview. Highlands Park may be accessed via Melendy Drive within the residential Beverly Terrace neighborhood. The location data for each site is provided in Table 1 and shown in Figure 1.

Table 1. Project Site Location Information Other Location Information (Section, Project Site Geographic Coordinates Township (T), Range (R)) Big Canyon Park 37.485806, -122.280332 Section 22, T5South, R4West Crestview Park 37.484645, -122.285913 Section 22, T5South, R4West Eaton Park 37.484565, -122.274626 Section 23, T5South, R4West Highlands Park 37.495417, -122.275832 Section 14, T5South, R4West

The project sites are located west of the Mt. Diablo Meridian and are all located within the “Woodside, CA” U.S. Geological Survey (USGS) 7.5-minute quadrangle. The project sites are characterized generally as undeveloped public city parks adjacent to residential neighborhoods.

Geography and Soils

All four sites are generally located east of the Pulgas Ridge Open Space Preserve in San Carlos, California. Terrain is variable within each site and ranges from hilly to flat. Elevations of the four parks range from approximately 220 feet to 700 feet, National Geodetic Vertical Datum.

Specific soil data is described for each project site in Table 2 and Figure 3, and the soil types are described in more detail below.

Table 2. Soil Data Project Site USDA Soils Types Big Canyon Park Fagan loam, 15 to 50 percent slopes; Maymen gravelly loam, 30 to 50 percent slopes; Urban land-Orthents, cut and fill complex, 5 to 75 percent slopes Crestview Park Orthents, cut and fill, 0 to 15 percent slopes; Urban land-Orthents, cut and fill complex, 5 to 75 percent slopes Eaton Park Los Gatos loam, 30 to 75 percent slopes, MLRA 15; Orthents, cut and fill-Urban land complex, 5 to 75 percent slopes; Urban land-Orthents, cut and fill complex, 5 to 75 percent slopes Highlands Park Orthents, cut and fill, 0 to 15 percent slopes; Orthents, cut and fill-Urban land complex, 5 to 75 percent slopes; Urban land; Urban land-orthents, cut and fill complex, 5 to 75 percent slopes Source: USDA 2019.

Fagan Series Soils. Fagan series soils consists of deep, well-drained soils that are of a very high run-off class derived from weathered sandstone and shale, typically found in hill landforms (USDA 2019).

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Maymen Series Soils. Maymen series soils consists of shallow, somewhat excessively drained soils that formed in residuum weathered from shale, schist, greenstone, sandstone, and conglomerate, typically found in mountain/hill landforms (USDA 2019).

Urban land-Orthents Series Soils. Urban land-Orthents series soils are well drained and primarily occur in the surrounding developed areas of the parks (USDA 2019).

Los Gatos Series Soils. Los Gatos series soils are well drained with a very high run-off class and are members of the fine-loamy, mixed, mesic family of Typic Agrixerolls (USDA 2019). This soil type is derived from weathered sedimentary rock, and typically has brown, light clay loam, granular, slightly acid A1 horizons, brown and yellowish red, slightly and medium acid clay loam and gravelly clay loam Bt horizons over sandstone bedrock (USDA 2019).

Drainage refers to the frequency and duration of periods when the soil is saturated with water. The above soil types are non-hydric, although hydric inclusions may occur. The soil types on site are not known to support edaphic special status plant species (i.e., the soils of the site are neither serpentine nor alkaline).

Hydrology

The project sites vary in elevation from approximately 220 feet above mean sea level at Eaton Park to 700 feet above mean sea level at Crestview Park. Crestview and Highland parks do not contain wetland or waterways and are not hydrologically connected to any major waterways or bodies of water, and do not contain features, such as established banks and wetland or riparian vegetation, that would fall under jurisdictional waters of the United States.

Big Canyon Park and Eaton Park contain hydrological features. These features are defined by the steep terrain throughout the two parks, where unnamed ephemeral drainages intersect the properties. The ephemeral drainages contain distinct beds and banks and were flowing lightly during the time of the survey, during the height of the 2019 rain season. No deep-plunge pools (>6 inches in depth) were observed in the drainages. Ephemeral drainages capture and channel rainwater in the parks to the stormwater system of the surrounding neighborhoods. This water enters an unnamed creek to the east of the two parks, which then channels water northeast to the San Francisco Bay, which is a traditional navigable water, as defined by the U.S. Army Corps of Engineers (ACOE). Thus, the drainages on site are potentially jurisdictional features. Preliminary Site Evaluation

The surveys were conducted on foot to visually cover each of the four project sites. Aerial photography with an overlay of the project boundaries was utilized to map the vegetation communities and record any special-status or sensitive biological resources while in the field. Data regarding biological and jurisdictional resources present within the project sites was obtained through a review of pertinent literature and field reconnaissance. The results of the preliminary site evaluation are described in detail below.

Special-Status Species

Special-status biological resources present or potentially present on the project site were identified through a literature and database search using the following sources: US Department of Agriculture soil series maps (USDA

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2019) (Figure 3); the U.S. Fish and Wildlife Service (USFWS) Information, Planning and Conservation (IPaC) Trust Resource Report (USFWS 2019); the CDFW California Natural Diversity Database (CNDDB) (CDFW 2019); and the California Native Plant Society (CNPS) online Inventory of Rare, Threatened, and Endangered Plants (CNPS 2019a).

Searches of the above-referenced databases were completed for the Woodside and eight surrounding U.S. Geological Survey 7.5-minute quadrangles: San Mateo, Half Moon Bay, Palo Alto, Montara Mountain, San Gregorio, La Honda, Mindego Hill and Redwood Point. CNDDB search results within 2 miles of the project site were overlain on aerial imagery to assess proximity of known occurrences to the project site (Figure 4).

The literature and database review focused on the potential for special-status vegetation communities and/or species to occur on or immediately adjacent to the project site. For this report, special-status plant and animal species are defined as those that are (1) listed, proposed for listing, or candidates for listing as Threatened or Endangered under the federal Endangered Species Act; (2) listed or candidates as Threatened or Endangered for listing under the California Endangered Species Act; (3) a state fully protected species; (4) a California Department of Fish and Wildlife (CDFW) Species of Special Concern; or (5) a species listed on the CNPS Inventory of Rare and Endangered Plants with a California Rare Plant Rank (CRPR) of 1A, 1B, 2A, or 2B. Special-status vegetation communities are those communities identified as high priority for inventory in the List of Vegetation Alliances and Associations (CNPS 2019a) by a state rarity ranking of S1, S2, or S3.

Following review of these resources, Dudek determined the potential for each species to occur within the site based on a review of vegetation communities and available land cover types, soils, and elevation preferences, as well as the known geographic range of each species (Attachments 1 and 2). For example, if the site is within the elevation range of a particular plant species, but a specific soil type for the species is not present, the species is considered to have low potential to occur on the site. Also, species were not expected to occur when the site was clearly outside of the known geographic range of the species.

Field Reconnaissance and Methods

Biological reconnaissance surveys were conducted by Dudek biologists Laura Burris and Emily Scricca on March 7, and March 11, 2019. Because one of the purposes of the site visits was to identify the potential of on-site habitats to support special-status plant and/or wildlife species, no focused presence/absence surveys for such species were conducted. The surveys included walking the project sites where access was possible and conducting visual surveys. Objectives during the surveys included mapping vegetation communities, land cover types encountered, and potentially jurisdictional wetlands or waters of the U.S., and assessing the potential for special-status species to occur within the project sites.

Vegetation Community and Land Cover Mapping

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Flora

Plant species encountered during the field surveys that were able to be identified were recorded directly into a field notebook. Common and scientific names for plant species with a California Rare Plant Rank (CRPR, formerly CNPS List) follow the CNPS On-Line Inventory of Rare, Threatened, and Endangered Plants of California (CNPS 2019a). Unknown plant species were either photographed or collected when the population could sustain collection, and identified at the lab. A list of plant species observed on the sites is presented in Attachment 3.

Fauna

Wildlife species detected during the field surveys by sight, calls, tracks, scat, or other signs were recorded directly into a field notebook. The sites were scanned with and without binoculars to aid in the identification of wildlife. In addition to species actually detected during the surveys, expected wildlife use of the sites was determined by known habitat preferences of local species and knowledge of their relative distributions in the area. A list of wildlife species observed on the sites is presented in Attachment 4.

Jurisdictional Wetlands

Dudek conducted a constraints-level analysis for potentially jurisdictional waters and wetlands based on criteria provided by the following agencies:

• Waters of the U.S., including wetlands, under the jurisdiction of the ACOE pursuant to Section 404 of the federal Clean Water Act. • Wetlands under the jurisdiction of the Regional Water Quality Control Board (RWQCB) pursuant to Section 401 of the Clean Water Act and the Porter-Cologne Act. • Wetlands under the jurisdiction of CDFW, pursuant to Section 1602 of the California Fish and Game Code.

Pursuant to the federal Clean Water Act, ACOE- and RWQCB-jurisdictional areas include those supporting all three wetlands criteria described in the ACOE manual: hydric soils, hydrology, and hydrophytic vegetation. Areas regulated by the RWQCB are generally coincident with the ACOE, but may also include isolated features that have evidence of surface water inundation pursuant to the state Porter Cologne Act. These areas generally support at least one of the three ACOE wetlands indicators but are considered isolated through the lack of surface water hydrology/connectivity downstream. The extent of CDFW-regulated areas typically include areas supporting a predominance of hydrophytic vegetation (i.e., 50% cover or greater) where associated with a stream channel.

Specifically, Dudek performed a constraints-level wetland assessment within the project sites, reviewed current and historical aerial photography, and then identified potentially jurisdictional features based on aerial signatures and field observations. Because the focus of this assessment was to identify areas potentially under the jurisdiction of these resource agencies, no formal protocol-level jurisdictional delineation was conducted at this time. Any water and drainage features and associated vegetation was assessed and marked directly on aerial imagery in the field. Dudek geographic information systems (GIS) specialists mapped observed and documented biological and wetland resources on aerial imagery and provided figures using ArcGIS software.

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Results

The quantification of biological resources described below pertains to habitats and species present within the project sites only. No off-site areas are included in this analysis since these areas were not evaluated as part of the assessment. Representative photographs of the proposed project sites are depicted in Attachment 5.

Vegetation Communities and Land Cover Types

The majority of the sites contained coast live oak woodland with hillsides lined with chamise chaparral and California sage brush scrub (Figure 4). Areas of sparse vegetation were dominated mostly by annual grassland, and some parks contained developed, manicured park ground with landscaped plantings and eucalyptus groves. These land cover types are described for each project site in detail below.

Big Canyon Park. The Big Canyon Park project site is comprised of approximately 23 acres of coast live oak woodland. This vegetation community most closely resembles coast live oak (Quercus agrifolia) woodland alliance as defined by The Manual of California Vegetation, Online Edition (CNPS 2019b). The coast live oak woodland vegetation community within the project site is dominated by coast live oak, with California bay laurel (Umbellularia californica) as a secondary canopy species and an understory of dense shrub containing poison oak (Toxicodendron diversilobum), California buckeye (Aesculus californica), toyon (Heteromeles arbutifolia) and various herbaceous and annual grassland species. Bay laurel becomes codominant in the coast live oak woodland alongside the ephemeral drainages throughout the Big Canyon Park. The stands of oak woodland forest found within Big Canyon Park are mature tree stands with a naturalized and well-established canopy and understory. As such, the habitat value throughout the project site is overall of good quality to support an abundance of wildlife species including bird species, mammals, reptiles and amphibians. Most notably, a high density of woodrat (Neotoma fuscipes) nests were observed throughout Big Canyon Park during the March 7, 2019 site visit; because these sites fall within the range of the special-status San Francisco dusky-footed woodrat, these nests are likely protected and are discussed further below.

Stands of chamise chaparral habitat occur primarily along the south-facing slopes of Big Canyon Park and comprises approximately 17 acres of the project site (Figure 4). This chamise chaparral habitat most closely resembles chamise–black sage (Adenostoma fasciculatum–Salvia mellifera) chaparral shrubland alliance (CNPS 2019b). The stands of chamise chaparral throughout the site are co-dominated by chamise and black sage with other species including coyote brush (Baccharis pilularis), buck brush (Ceanothus cuneatus) and California sagebrush (Artemisia californica). These areas consist largely of mature, naturalized stands with a variety of native plant species and few non-native shrub species occurring within this habitat type. On site, the chamise chaparral has a high cover of poison oak and black sage. Non-native plant species which were observed adjacent to or within the project site included small stands of French broom (Genista monspessulana) and Scotch broom (Cytisus scoparius) along more disturbed areas adjacent to the pedestrian trails. Since the chaparral stands are well established and of good habitat quality, it is expected that a diversity of birds, mammals and reptiles are supported in this habitat type. Bird species observed during the March 7, 2019 site visit within the chamise chaparral community was consistent with what can be expected in mature chaparral stands: California scrub jay (Aphelocoma californica), Steller’s jay (Cyanocitta stelleri), and spotted towhee (Pipilo maculatus). Other resident and migratory hawks, owls, songbirds, and woodpeckers, particularly those adapted to more urbanized settings, are also known to use transitional areas within and adjacent to the project site for nesting, food, and cover (CDFW 2019).

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Stands of California sagebrush scrub occur primarily along the western and northern-facing slopes of Big Canyon Park and comprises approximately 9 acres of the project site (Figure 4). This coastal sage habitat is dominated by black sage and California sagebrush, with patchy tree species present throughout.

The Big Canyon Park project site includes approximately 7 acres of California annual grassland (Figure 4). The grassland is dominated by non-native, naturalized grassland species such as slender wild oats (Avena fatua), and stands of various non-native thistle species such as yellow star thistle (Centaurea solstitialis) and Maltese star- thistle (Centaurea melitensis), which were observed during the March 7, 2019 site survey. The California annual grassland community species composition is typical of what is found throughout much of the Bay Area, with introduced grass species dominating the landscape. Annual grassland community may support a wide range of bird, mammal and reptile species but displaces many of the native herbaceous flowering plants and grasses. Birds of prey such as white-tailed kite (Elanus leucurus) rely on grassland habitat for foraging/hunting.

The Big Canyon Park project site is bounded on the north, east, and west by residential development, and on the south by Eaton Park.

Crestview Park. The Crestview Park project site includes approximately 1 acres of landscape plantings on the northern boundary of the park (Figure 4). This area is dominated by Tasmanian bluegum (Eucalyptus globulus) and ornamental cypress (Cupressus sp.). The hillside in this area also contained coast live oak, Acacia (Acacia sp.), and shining willow (Salix lasiandra). Shrubs in the Landscape plantings include French and scotch broom, and coyote brush (Baccharis pilularis).

On the western edge of Crestview Park is approximately 1 acre of Eucalyptus Grove, which is dominated by Tasmanian bluegum (Figure 4). These trees are generally naturalized on uplands or bottomlands and adjacent to stream courses, lakes, or levees (CNPS 2019b).

On the southern edge of Crestview Park is approximately 1 acre of Coast live oak woodland. This area is dominated by coast live oak with non-native, naturalized grassland species such as purple pampas grass (Cortaderia jubata) which was observed during the March 7, 2019 site survey.

Wildlife species such as gray squirrels, chestnut-back chickadees, golden-crowned sparrows, spotted towhees and dark- eyed juncos may inhabit these habitats. A Townsend’s warbler was observed foraging among the coast live oak canopy during the March 7 survey. Several botta’s pocket gopher burrows were also observed in the grassland patches.

The Crestview Park project site is shaped around a developed baseball field and is bounded by residential development in all four cardinal directions.

Eaton Park. The Eaton Park project site is comprised of approximately 50 acres of coast live oak woodland (Figure 4). Descriptions of this habitat type are provided above in the Big Canyon Park project site description. A high density of San Francisco dusky-footed woodrat nests were observed throughout Eaton Park during the March 11, 2019 site visit.

Stands of chamise chaparral habitat occur primarily along the south-facing slopes of Eaton Park and comprises approximately 1.5 acres of the project site, and California sage brush scrub occur primarily along the western and

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northern-facing slopes totaling 4 acres (Figure 4). Descriptions of both habitat types are provided above in the Big Canyon Park project site description.

The Eaton Park project site includes approximately 6 acres of California annual grassland (Figure 4). The grassland is dominated by non-native, naturalized grassland species similar to those found in the Big Canyon Park project site. Small clusters of native perennial bunch grass were observed along the trail side of Eaton Park where annual grassland had not encroached.

There is a small stand of Eucalyptus Grove on the western end of Eaton Park totaling approximately 2 acres. South of this grove was a hillside dominated by Landscape Plantings, approximately 2 acres, containing plant species such as scotch broom, poison oak, purple leaf plum (Prunus cerasifera).

Numerous bird species are expected to inhabit areas throughout Eaton Park for foraging and breeding. Nuttall’s woodpeckers and Acorn woodpeckers were heard in the canopies during the March 11 survey, while species such as lesser goldfinch, dark-eyed junco, yellow-rumped warbler, spotted towhee, and black phoebe were observed in the mid canopy. Tree swallows were observed on the hillsides. A red-tailed hawk and red-shouldered hawk was observed flying over the park during the March 11 survey. Black-taileddeer scat and several deer trails were present.

The Eaton Park project site is bounded on the north by Big Canyon Park, and residential development to the south, east, and west.

Highlands Park. The Highlands Park project site is comprised almost entirely of Eucalyptus grove, totally approximately 4 acres (Figure 4). The Eucalyptus Grove at this site contained Tasmanian bluegum dominating the canopy with also some coast live oak present. Plantings of Aleppo pine (Pinus halapensis) are present on the slope just west of the playing fields at Highlands Park. Stands of French broom, Scotch broom, and poison oak were observed along more disturbed areas adjacent to the pedestrian trails. There is also approximately 1.5 acres of Landscaped Plantings along the eastern edge of Highlands Park (Figure 4). Bird species expected to occur throughout this park include dark-eyed junco, California towhee, chestnut-backed chickadee, and Anna’s hummingbird. American crows were observed with nesting materials during the March 7 survey.

The Highlands Park project site is bounded on the north, south, and west by residential development, and on the east by public sports fields.

Aquatic Habitats and Jurisdiction Wetlands and Waters

Only Big Canyon Park and Eaton Park contain hydrological features. These aquatic habitats are limited to ephemeral streams, and wetland delineations have not been completed for these sites.

Plants and Wildlife

A total of 86 species of vascular plants were recorded during the site surveys (Attachment 3); of the 86 species observed, 56 were native to California and 30 were nonnative.

Twenty-nine wildlife species or their sign were observed during the field surveys: gray squirrel (Sciurus griseus), Anna’s hummingbird (Calypte anna), California gull (Larus californicus), red-shouldered hawk (Buteo lineatus), red-

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tailed hawk (Buteo jamaicensis), acorn woodpecker (Melanerpes formicivorus), Nuttall’s woodpecker (Dryobates nuttallii), northern flicker (Colaptes auratus), black phoebe (Sayornis nigricans), Steller’s jay (Cyanocitta stelleri), California scrub-jay (Aphelocoma californica), American crow (Corvus brachyrhynchos), common raven (Corvus corax), tree swallow (Tachycineta bicolor), chestnut-backed chickadee (Poecile rufescens), bewick’s wren (Thryomanes bewickii), ruby-crowned kinglet (Regulus calendula), American robin (Turdus migratorius), house finch (Haemorhous mexicanus), lesser goldfinch (Spinus psaltria), spotted towhee (Pipilo maculatus), California towhee (Melozone crissalis), golden-crowned sparrow (Zonotrichia atricapilla), dark-eyed junco (Junco hyemalis), yellow- rumped warbler (Setophaga coronata), Townsend’s warbler (Setophaga townsendi), black-tailed deer (Odocoileus hemionus ) tracks and scat, coyote (Canis latrans) scat, and Botta’s pocket gopher (Thomomys bottae) burrows. Additionally, ephemeral streams in Big Canyon Park and Eaton Park likely provide habitat to amphibians and reptiles for foraging and cover.

Special-Status Species

Plants

A total of 61 special-status plants have been documented within the project USGS quadrangle or the surrounding 8 quadrangles and are listed in Attachment 1. Occurrences of special-status species within a 2-mile radius of the project site are mapped on Figure 2. Of the 61 total species documented in the project vicinity, 16 special-status plants have been identified as having moderate to high potential to occur within or adjacent to the project site. These species include San Mateo thorn-mint (Acanthomintha duttonii), Franciscan onion (Allium peninsulare var. franciscanum), bent-flowered fiddleneck (Amsinckia lunaris), Crystal Springs Fountain thistle (Cirsium fontinale var. fontinale), San Francisco collinsia (Collinsia multicolor), western leatherwood (Dirca occidentalis), fragrant fritillary (Fritillaria liliacea), Marin western flax (Hesperolinon congestum), Crystal Springs lessingia (Lessingia arachnoidea), arcuate bush-mallow (Malacothamnus arcuatus), woodland woolythreads (Monolopia gracilens), white-rayed pentachaeta (Pentachaeta bellidiflora), chaparral ragwort (Senecio aphanactis), San Francisco campion (Silene verecunda ssp. verecunda), two fork clover (Trifolium amoenum), and San Francisco owl’s clover (Triphysaria floribunda) (CDFW 2019; CNPS 2019a). The remaining 45 plant species listed in Attachment 1 are associated with unaltered grassland habitat, specific soil types, or seasonal wetlands such as vernal pools. The lack of such habitat features in the mostly naturalized landscapes within the project sites create a very low probability for the occurrence of some of these species. Thus, these species are not likely to occur within the project sites.

San Mateo thorn-mint, Crystal Springs fountain thistle, Marin western flax, arcuate bush-mallow, woodland woolythreads, chaparral ragwort, and San Francisco campion have potential to occur in chaparral habitat on site. Franciscan onion, bent-flowered fiddleneck, fragrant fritillary, Crystal Springs lessingia, white-rayed pentachaeta, two-fork clover and San Francisco owl’s-clover have potential to occur in grassland habitat on site.

Franciscan onion was documented within the northwestern section of the Eaton Park project site in 2015 by the City of San Carlos (CDFW 2019). San Francisco collinsia has been previously documented within Big Canyon Park and Eaton Park in habitats of chaparral and serpentine soils, with the most recent occurrences documented in 2017 within the park boundaries (CDFW 2019). Western leatherwood was documented in 2015 in the northern section of the Eaton Park project site within oak woodland habitat (CDFW 2019). San Mateo thorn-mint, Crystal Springs fountain thistle, Crystal Springs lessingia, and white-rayed pentachaeta have been recorded immediately south and within 2-miles of the Crestview Park project site. Fragrant fritillary, Marin western flax, and San Francisco

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campion have been recorded immediately south and within 2-miles of the Eaton Park project site. Arcuate bush- mallow, woodland woolythreads and chaparral ragwort have been recorded immediately north and within 2-miles of the project site. These observations are shown in Figure 4.

Several San Francisco collinsia plants were noted during the March 7, 2019 site survey at the Big Canyon Park project site in the same location the species was previously documented within the CNDDB (Figure 5). The collinsia was young and did not yet have identifying characteristics but coincided with previously documented occurrences. Western leatherwood was noted during the March 11, 2019 site survey at the Eaton Park project site in the same location the species was previously documented within the CNDDB, in woodland habitat adjacent to drainages on site. No other special-status plant species were discovered during the March 2019 site surveys.

The surveys did not coincide with the appropriate blooming periods for the above listed plants. The timing of the surveys made detection unlikely for the remaining species with potential to occur.

Wildlife

A total of 38 special-status wildlife species were identified within the project USGS quadrangle and surrounding 8 quadrangles (Attachment 2). Of the 38 species identified, three have potential to occur on site based on vegetation communities, soils, and previously documented occurrences in the vicinity and are discussed further below. The remaining 35 species listed in Attachment 2 were excluded from further consideration due to the lack of suitable breeding, nesting, migration, or estivation habitat observed during the March 7 and March 11, 2019 site visits. Many of these species are associated with specific habitat types such as wetlands with open water features, open flat grasslands with minimal to no urban development present.

Special-status bat species identified in proximity to the project site included pallid bat (Antrozous pallidus) and Townsend’s big-eared bat (Corynorhinus townsendii).These species may be temporally present in the project area; however, the site does not provide adequate maternity roost habitat and occurs within a disturbance area with regular human activity. The pallid bat is very sensitive to disturbance of roost sites; therefore, not likely to occur within the project site. The Townsend’s bat roosts in limestone caves and lava tubes, which are habitats that are not found within the project area.

Species with low potential to occur on site include California (CA) red-legged frog (Rana draytonii), and San Francisco garter snake (Thamnophis sirtalis tetrataenia). CA red-legged frog is known to occur west of Highway 280, approximately 1.6-miles from the Crestview Park project area. No CA red-legged frog was observed during the site visits with no suitable breeding or upland habitat identified during the site visits. San Francisco garter snake is known to occur approximately 1.7-miles from the Big Canyon Park project site in adjacent open space/undeveloped areas. San Francisco garter snake is highly associated with wetland vegetation and open water, with CA red-legged frog as a main prey item. No observations of individuals, their prey item or suitable habitat was observed during the site visits.

Other special-status species with moderate or high potential to occur on the project site are white tailed kite (Elanus leucurus), the San Francisco dusky-footed woodrat (Neotoma fuscipes annectens), and Bay checkerspot butterfly (Euphydryas editha bayensis). These species are discussed in further detail, below.

White-tailed Kite. The white-tailed kite is a California Fully Protected species. It is commonly associated with certain types of agriculture areas (Grinnell and Miller 1944). It also generally occurs in low-elevation grassland, wetland,

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oak woodland, low shrub, open woodlands, or savannah habitats. It is tolerant of moderate disturbance, such as occurs near residential subdivision developments. This species also uses fencerows and irrigation ditches (with residual vegetation). Riparian areas adjacent to open space areas are typically used for nesting, where kites prefer dense, broadleafed deciduous trees for nesting and night roosting (Brown and Amadon 1968). They also nest in young redwoods and mid-sized Douglas firs in Northern California.

Trees in the project sites provide potentially suitable nesting habitat for this species and open, grassy areas provide suitable foraging habitat. This species was not observed during the March 7 and 11, 2019 site surveys; however, there is potential for it to utilize trees in the project sites for nesting.

San Francisco Dusky-footed Woodrat. San Francisco dusky-footed woodrat is a subspecies of the more widely distributed dusky footed woodrat, and the subspecies is considered a Species of Special Concern by CDFW.

The San Francisco dusky-footed woodrat is a small-sized rodent that builds nests made of sticks, typically at the base of trees and shrubs, but sometimes in the low to mid-level canopy of a tree. This species prefers forested habitat with a moderate canopy and dense undergrowth, particularly on the upper banks of riparian forests or within poison oak- dominated shrublands. The dusky-footed woodrat feeds on a variety of woody plants, fungi, flowers and seeds. Research has indicated that a single nest may be used by many generations over the period of several years or more (Murray and Barnes 1969). The project sites are located within oak woodland and riparian habitats with a dense understory dominated by poison oak and other shrub vegetation, which are the preferred habitat for this species.

During the March 7 and 11, 2019 site surveys, numerous woodrat nests were observed on the project sites in Big Canyon and Eaton parks. The nests that were inspected contained scat and food debris at the entrances, which indicates some degree of occupation by woodrats. Several nests appeared to be somewhat dilapidated, and others were located within thickets of poison oak and were not able to be inspected. It is anticipated that the majority of these nests are active, or were active at one time, based on the suitability of habitat and the presence of food items throughout the project sites.

Bay Checkerspot Butterfly. Bay checkerspot butterfly is known to occur in Edgewood Regional Park, which is approximately 1.0-mile south of the Eaton Park project area. A summary description providing further information is below. Bay checkerspot butterfly is a federally threatened species under the Federal Endangered Species Act. It is a medium-sized butterfly with a wing span of a little more than 2-inches and black bands along the wing veins contrasting with bright red, yellow and white spots on the dorsal surface of the wings. The range of this species is limited to the San Francisco Bay Area with its current range reduced to six known core areas-one on the San Francisco peninsula, one in San Mateo County and four in Santa Clara County. Bay checkerspot are found in open grassland habitats with shallow, serpentine-derived soils which support the host plants on which the larvae feed. The primary host plant is dwarf plantain (Plantago erecta), with Indian paintbrush (Castilleja exserta spp. exserta) acting as a secondary host plant. Adults emerge in the early spring between late February and early May to lay eggs during the flight season. Larvae hatch from the eggs in about ten days then enter into a diapaus stage in which they enter a period of dormancy. This diapause ends with the onset of the next rainy season and the germination of the host plant. The larvae then resume feeding to complete their development.

No host plants were observed during the March 7 and March 11, 2019 site surveys; however, the timing of the surveys limited the ability to identify flowering host plants. The open grassland habitat found throughout the project sites is dominated by introduced European grasses with minimal patches of native grassland and high cover of

11719 11 April 2019 Ms. Amy Newby Subject: Biological Resources Constraints Assessment for the City of San Carlos Fuel Management Project, San Carlos, San Mateo County, California

thatch. The limited distribution of native grassland on the project site makes it unlikely this species is present. Additionally, grazing in areas containing dense thatch would likely increase native forb germination and recruitment, increasing the likelihood that these areas will become more suitable for this species’ host and nectar plants (Jain 2015; Weiss 2001).

Nesting and Migratory Birds

Although no special-status bird species were observed during the March 7 and March 11, 2019 field surveys, all native birds in California are protected by the federal Migratory Bird Treaty Act (MBTA) of 1918 and Sections 3503 and 3503.5 of the California Fish and Game Code which respectively protect active nests and eggs of any bird and individuals and nests/eggs of raptors. The trees and landscaping within and adjacent to the project sites provide suitable nesting habitat for a number of native local and migratory bird species. For example, California thrasher (Toxostoma redivivum), Nuttall’s woodpecker (Picoides nuttallii), oak titmouse (Baeolophus inornatus)), song sparrow (Melospiza melodia), spotted towhee (Pipilo maculatus clementae), and wrentit (Chamaea fasciata) are year-round residents in the region that may breed on the project site based on presence of habitat. Allen’s hummingbird (Selasphorus sasin) and rufous hummingbird (Selasphorus rufus) are summer migrants that may breed on the project site from late February through August.

Sensitive Natural Communities

The vegetation communities on site all have state rarity rankings of S4 or higher; thus, no sensitive natural communities occur on site and no impacts to sensitive natural communities are anticipated as a result of project activities.

Potentially Jurisdictional Wetlands and Waters

Due to the ephemeral nature of the hillside drainages at Big Canyon and Eaton parks, which capture and channel rainwater to the stormwater system of the surrounding neighborhoods, which eventually channel water northeast to the San Francisco Bay, the drainages in these parks are potentially jurisdictional features (80 FR 37054–37127; Figure 4). Additionally, discharges to other “waters of the state” remain subject to state regulation under the Porter- Cologne Water Quality Control Act.

Wildlife Corridors and Habitat Linkages

Wildlife corridors are linear features that connect large patches of natural open space and provide avenues for the migration of animals. Habitat linkages are small patches that join larger blocks of habitat and help reduce the adverse effects of habitat fragmentation; they may be continuous habitat or discrete habitat islands that function as stepping stones for wildlife dispersal.

Ephemeral drainages with riparian cover such as those within the Big Canyon and Eaton parks project sites serve as local movement corridors that connect foraging, breeding, and cover habitat for resident wildlife species. Additionally, because these riparian areas are surrounded by developed areas, they may also provide essential habitat linkages between fragmented segments of natural habitat.

11719 12 April 2019 Ms. Amy Newby Subject: Biological Resources Constraints Assessment for the City of San Carlos Fuel Management Project, San Carlos, San Mateo County, California

Because the project sites are situated within fragmented habitat within a suburban setting, the ephemeral drainages provide moderately functional wildlife corridors and habitat linkages. However, the proposed short-term fuel management activities would not impede local or seasonal movements of animals through the surrounding habitat. Constraints Analysis

This section addresses potential constraints to implementation of the project due to special-status biological and wetland resources present or potentially present within or immediately adjacent to the project site.

Special-Status Plant and Wildlife Species

Several special-status plant species were identified on site during the reconnaissance-level surveys, western leatherwood and, potentially, San Francisco collinsia. Ground disturbing activities have the potential to adversely affect special-status plant species, and trimming of woody species may result in direct impacts to western leatherwood. To protect special-status plant species, a survey will be conducted prior to ground-disturbing activities with heavy equipment and prior to vegetation management adjacent to identified western leatherwood trees by a qualified botanist at the appropriate period when these species are evident and identifiable to identify the locations of special-status plant species within the treatment areas. If species are found within the selected treatment areas during surveys, the individuals or populations will be flagged with high-visibility flagging and completely avoided. If avoidance is not feasible, an appropriate mitigation plan will be developed and implemented. The mitigation plan will include translocation and propagation methods, monitoring requirements, and success criteria based on the identified species.

San Francisco Dusky-footed Woodrat. As discussed above, several woodrat nests were identified during the March 7, and March 11, 2019 site surveys, occurring throughout much of the project site. Based on the project location, they are presumed to belong to the San Francisco subspecies. If project implementation were to occur near an active nest, vegetation removal and other human activities associated with the project could adversely affect these nests and woodrats within them. With implementation of the following measures, no impacts to this species are anticipated to occur as a result of project activities.

• Woodrat nests will not intentionally be destroyed. Where feasible, an exclusion buffer of at least 10 feet from nests shall be established to avoid moving or bumping the nests or the logs or branches on which the nests rest. Screening for houses will be left in place provided the integrity of the fuel break is not compromised. • If establishing a buffer and avoiding the nests is not feasible, the nests shall be dismantled and the nesting material moved to a new location outside the project’s impact areas so that it can be used by woodrats to construct new nests. Prior to nest deconstruction, each active nest shall be disturbed by a qualified wildlife biologist to the degree that all woodrats leave the nest and seek cover out of the impact area. Whether the nest is on the ground or in a tree, the nest shall be slightly disturbed (nudged) to cause the woodrats to flee. For tree nests, a tarp shall be placed below the nest and the nest dismantled using hand tools (either from the ground or from a lift). The nest material shall then be piled at the base of a nearby tree or large shrub outside of the impact area.

Bay Checkerspot. Grassland habitat within the project site is largely overgrown with non-native European grasses and habitat for Bay checkerspot host plants and nectar plants is limited. Thus, the likelihood that this species is

11719 13 April 2019 Ms. Amy Newby Subject: Biological Resources Constraints Assessment for the City of San Carlos Fuel Management Project, San Carlos, San Mateo County, California

present on site is low. Additionally, grazing activities will reduce the amount of non-native grass thatch. The reduction in thatch will likely aid in the germination of native forbs, including host plant species for this species. Thus, the fuels management activities will likely be beneficial for this species.

White tailed kite, and Nesting and Migratory birds. Impacts could occur through direct destruction of nesting habitat or nests, or by reducing reproductive success at nests due to increased noise, vibration, and human presence during hand clearing or mastication should these activities take place during the nesting bird season. Nesting bird activity was observed during the March 7 and March 11, 2019 site visits. American crows at the Highlands Park project site were observed carrying nesting materials and displaying courtship behavior. Anna’s hummingbirds throughout the project sites were displaying courtship behavior. Implementation of the following measures is expected to avoid/minimize potential impacts to nesting birds:

• If possible, fuel management using goat and mastication work shall be conducted outside of the nesting bird season (February 1 through August 30, depending on species) to avoid impacts to nesting birds. • If construction will occur within the nesting season, a pre-construction nesting bird survey of all potential nest habitat within the fuel management areas, including a 100-foot buffer for passerine species and a 250-foot buffer for raptors, shall be completed by a qualified biologist no earlier than 10 days prior to beginning fuel management during the nesting season to determine if any native birds are nesting on or near the site. If there is a lapse between the survey time and initiation of work activities of 10 days or greater, the nesting bird survey should be repeated. • If active nests are encountered at any time during fuel management activities, work in that area will stop and a qualified biologist will determine a suitable avoidance buffer from the nest based on work activity and species. The nest(s) and associated avoidance buffers will be flagged by the biologist based on species, location and planned fuel management activity. These nests should be avoided until the chicks have fledged and the nests are no longer active, as determined by the biologist. Conclusions

With implementation of the measures outlined herein, biological resources on the project sites should not significantly constrain the proposed fuels management.

If you have any questions or concerns regarding the content of this letter report, please contact me at 510.601.2512 or [email protected].

Sincerely,

______Emily M. Scricca Biologist

Att.: Figures: Figure 1 – Project Location Figure 2 – CNDDB Species Occurrence Within a 2-Mile Radius of the Project Boundary Figure 3 – Soils

11719 14 April 2019 Ms. Amy Newby Subject: Biological Resources Constraints Assessment for the City of San Carlos Fuel Management Project, San Carlos, San Mateo County, California

Figure 4 – Vegetation Communities and Landcover Figure 5 – Biological Constraints

Attachments: Att. 1 – Table of Potentially Occurring Plant Species Att. 2 – Table of Potentially Occurring Wildlife Species Att. 3 – Plant Species Observed On Site Att. 4 – Wildlife Species Observed On Site Att. 5 – Representative Site Photographs cc: Scott Stephenson, Dudek Laura Burris, Dudek

11719 15 April 2019 Ms. Amy Newby Subject: Biological Resources Constraints Assessment for the City of San Carlos Fuel Management Project, San Carlos, San Mateo County, California

References Cited

80 FR 37054–37127. Final rule: “Clean Water Rule: Definition of ‘Waters of the United States.’” June 29, 2015.

CDFW (California Department of Fish and Wildlife). 2019. RareFind 5. California Natural Diversity Database. CDFW, Biogeographic Data Branch. Accessed March 2019. https://www.dfg.ca.gov/biogeodata/cnddb/mapsanddata.asp.

CNPS (California Native Plant Society, Rare Plant Program). 2019a. Inventory of Rare and Endangered Plants of California (online edition, v8-03 0.39). Accessed May 8, 2018. http://www.rareplants.cnps.org.

CNPS. 2019b. A Manual of California Vegetation, Online Edition. California Native Plant Society, Sacramento, CA. Accessed March 19, 2019. http://www.cnps.org/cnps/vegetation/.

Jain, Nidhi. 2015. "Complex effects of Nitrogen Pollution and Grazing on Nectar Resources of the Adult Bay Checkerspot Butterfly (Euphydryas editha bayensis)" (2015). Master's Thesis. 4640. Available online at: http://scholarworks.sjsu.edu/etd_theses/4640.

Murray, Keith F., and Allan M. Barnes. 1969. “Distribution and Habitat of the Woodrat, Neotoma fuscipes, in Northeastern California.” Journal of Mammalogy. 50 (1): 43–48.

USDA. 2019. Web Soil Survey. USDA, Natural Resources Conservation Service, Soil Survey Staff. http://websoilsurvey.nrcs.usda.gov/.

USFWS (U.S. Fish and Wildlife Service). 2019. IPaC (Information for Planning and Consultation) Search. Accessed March 2019. http://www.fws.gov/data.

Weiss, Stuart B. 2001. Cars, Cows, and Checkerspot Butterflies: Nitrogen Deposition and Management of Nutrient- Poor Grasslands for a Threatened Species. Conservation Biology. Volume 13, Issue 6.

11719 16 April 2019 680 185 580 Daly City 101 San Bruno 238

280 84 101 92 A l a m e d a Burlingame San Mateo Redwood C o u n t y City Menlo Project Site Park 109 262 Half Moon Bay 82 237 880 82 S a n t a 1 130 SAN C l a r a 87 MATEO C o u n t y COUNTY 9 280

236 17 S a n t a C r u z C o u n t y

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SOURCE: USGS 7.5-Minute Series Woodside Quadrangle Township 5S / Range 4W / Section 14, 22-23 FIGURE 1 Project Location 0 1,000 2,000 Feet San Carlos Fuel Management Project Date: 3/14/2019 - Last saved by: mwatson - Path: Z:\Projects\j1171901\MAPDOC\BCLR\Figure2_CNDDB.mxd SOURCE: CDFW 2019 CDFW SOURCE: CNDDB Species Occurrence Within the Radius 2-Mile a CNDDB Species of Project 5, Coastal marsh milk-vetch ( 9, Franciscan onion ( 8, Fragrant fritillary ( 7, Crystal Springs lessingia ( 6, Crystal Springs fountain ( thistle pycnostachyus 4, Choris’ popcornflower ( 3, Chaparral ( ragwort 18, Yellow ( rail 17, Western snowy plover ( 16, Western pondturtle ( 15, Western bumble bee( 13, Francisco San gartersnake ( 12, Saltmarsh common yellowthroat ( 11, Ricksecker’s water scavenger beetle ( 10, Pallid bat ( 9, Hoary bat( 13, Francisco San collinsia ( 12, Francisco San campion ( 11, Marin western flax ( 10, Kings Mountain manzanita ( 2, Bent-flowered fiddleneck ( 1, Arcuate bush-mallow ( Plant 2-Mile Radius From Project Boundary Project Boundary 14, Cruz kangaroo Santa rat ( 8, Foothill yellow-legged frog ( 7, Park Edgewood micro-blind harvestman ( 2,( peregrine falcon American 1, Alameda song sparrow ( Wildlife 1, Serpentine Bunchgrass Natural Community 14, Mateo San thorn-mint ( 6, blind Edgewood harvestman ( 5, California Ridgway’s ( rail 4, California red-legged frog ( ( butterfly checkerspot 3,Bay 17, Woodland woollythreads ( 16, White-rayed pentachaeta ( 15, Western leatherwood ( Lasiurus cinereus Antrozous pallidus ) Coturnicops noveboracensis Fritillaria liliacea Allium peninsulare Senecio aphanactis Hesperolinon congestum Emys marmorata Malacothamnus arcuatus Plagiobothrys chorisianus Bombus occidentalis Dirca occidentalis Acanthomintha duttonii Melospiza melodia pusillula Charadrius alexandrinus nivosus Rallus obsoletus obsoletus Collinsia multicolor Collinsia Lessingia arachnoidea Amsinckia lunaris Silene verecunda Astragalus pycnostachyus Euphydryas editha bayensis Rana draytonii Dipodomys venustus venustus Monolopia gracilens Rana boylii Falco peregrinus anatum Pentachaeta bellidiflora ) Arctostaphylos regismontana) Thamnophis sirtalis tetrataenia Calicina minor ) 01 Cirsium fontinale ) Geothlypis trichas sinuosa var. ) Hydrochara rickseckeri ) ) ) Microcina edgewoodensis ) ) franciscanum ) ) ) ssp. ) ) 0.5 ) ) ) ) verecunda) var. var. ) ) ) ) fontinale var. chorisianus ) ) ) ) ) ) ) ) ) Miles ) 92 16 12 16 9 11 4 5 16 4 8 4 15 9 9 9 9 15 13 15 15 13 9 9 9 15 15 1 9 15 9 9 15 280 15 9 15 17 9 7 15 9 15 16 15 3 16 15 15 14 16 16 1 16 3 4 14 CNDDBSpecies Occurrence Withina 2-Mile Radiusof Project the Boundary 9 16 7 6 3 6 16 9 3 11 3 1 13 6 7 1 9 17 8 13 9 8 15 17 15 13 1 3 13 12 13 8 11 15 15 15 14 10 9 14 10 13 3 9 82 13 13 1 14 2 101 13 13 14 San Carlos Fuel Management Project Management Fuel San Carlos 15 14 9 1 2 5 17 1 18 FIGURE 2 FIGURE 84 Date: 3/14/2019 - Last saved by: mwatson - Path: Z:\Projects\j1171901\MAPDOC\BCLR\Figure3_Soils.mxd SOURCE: San Mateo County 2017, USDA 2011 2017, County Mateo San SOURCE: Soils D E V

50 percent slopes percent 50 116; Maymengravelly loam, 30 to percent slopes 75 to 30 loam, 115; Gatos Los percent slopes 113; Fagan loam,to 1550 Buffer) (300-Foot Area Study Boundary Project O N S H C IR H E W E B IN S L D H V I A D WINGATE AVE N M G A V W E

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SOURCE: San Mateo County 2017, USDA 2011 2017, County Mateo San SOURCE:

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D E V

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SOURCE: San Mateo County 2017, USFWS 2018 2017,USFWS County Mateo San SOURCE:

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A K P L L D N R Date: 3/14/2019 - Last saved by: mwatson - Path: Z:\Projects\j1171901\MAPDOC\BCLR\Figure5_BiologicalConstraints.mxd SOURCE: San Mateo County Mateo SOURCE: San 2017

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SOURCE: San Mateo County Mateo SOURCE: San 2017

Plants

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Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Acanthomintha San Mateo FE/SE/1B.1 Chaparral, Valley and foothill Moderate potential to duttonii thorn-mint grassland; occur. Suitable grasslands serpentinite/annual are present and the herb/Apr–June/160–985 nearest CNDDB occurrence is approximately 1.2 miles south of the Crestview Park Fuels Treatment Area of the project site (CDFW 2019). Agrostis Blasdale's None/None/1B.2 Coastal bluff scrub, Coastal Not expected to occur. No blasdalei bent grass dunes, Coastal suitable coastal scrub, prairie/perennial dune, or prairie habitat rhizomatous herb/May– present. July/0–490 Allium Franciscan None/None/1B.2 Cismontane woodland, High potential to occur. peninsulare var. onion Valley and foothill grassland; The site is located within franciscanum clay, volcanic, often the species’ known serpentinite/perennial elevation range, suitable bulbiferous herb/(Apr)May– habitat is present, and the June/170–1000 nearest known CNDDB occurrence is within the western section of the Eaton Park treatment area of the project site (CDFW 2019). Amsinckia bent-flowered None/None/1B.2 Coastal bluff scrub, Moderate potential to lunaris fiddleneck Cismontane woodland, occur. The site is located Valley and foothill within the species’ known grassland/annual elevation range, suitable herb/Mar–June/5–1640 grasslands and cismontane woodland are present and the nearest CNDDB occurrence is approximately 2.3 miles southeast of the Eaton Park Treatment Area of the project site (CDFW 2019). Arctostaphylos Anderson's None/None/1B.2 Broadleafed upland forest, Not expected to occur. No andersonii manzanita Chaparral, North Coast suitable habitat present. coniferous forest; openings, edges/perennial evergreen shrub/Nov–May/195–2495

11719 1-1 April 2019 Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Arctostaphylos Montara None/None/1B.2 Chaparral (maritime), Not expected to occur. The montaraensis manzanita Coastal scrub/perennial site is located within the evergreen shrub/Jan– species’ known elevation Mar/260–1640 range; however, there is no suitable coastal scrub present and the nearest CNDDB occurrence is approximately 10 miles northwest of the project site (CDFW 2019). Arctostaphylos Kings None/None/1B.2 Broadleafed upland forest, Not expected to occur. The regismontana Mountain Chaparral, North Coast site is outside of the manzanita coniferous forest; granitic or species’ known elevation sandstone/perennial range and there is no evergreen shrub/Dec– suitable soils or habitat Apr/1000–2395 present. The nearest CNDDB occurrence is approximately 1.1 miles south of the Eaton Park Treatment Area of the project site (CDFW 2019). Astragalus coastal marsh None/None/1B.2 Coastal dunes (mesic), Not expected to occur. The pycnostachyus milk-vetch Coastal scrub, Marshes and site is outside of the var. swamps (coastal salt, species’ known elevation pycnostachyus streamsides)/perennial range and there is no herb/(Apr)June–Oct/0–100 suitable mesic habitat present. The nearest CNDDB occurrence is approximately 2.8 miles northwest of the Canyon Park Treatment Area of the project site (CDFW 2019). Centromadia Congdon's None/None/1B.1 Valley and foothill grassland Not expected to occur. The parryi ssp. tarplant (alkaline)/annual herb/May– site is located within the congdonii Oct(Nov)/0–755 species’ known elevation range and suitable grasslands are present. However, there are no suitable alkaline soils and the nearest CNDDB occurrence is approximately 7 miles east of the project site (CDFW 2019).

11719 1-2 April 2019 Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Centromadia pappose None/None/1B.2 Chaparral, Coastal prairie, Not expected to occur. The parryi ssp. tarplant Meadows and seeps, site is located within the parryi Marshes and swamps species’ known elevation (coastal salt), Valley and range and suitable habitat foothill grassland (vernally is present; however, the mesic); often site lacks suitable vernally alkaline/annual herb/May– mesic conditions and the Nov/0–1380 nearest CNDDB occurrence is approximately 14 miles northwest of the project site (CDFW 2019). Chloropyron Point Reyes None/None/1B.2 Marshes and swamps Not expected to occur. The maritimum ssp. bird's-beak (coastal salt)/annual herb site is outside of the palustre (hemiparasitic)/June– species’ known elevation Oct/0–35 range and there is no suitable habitat present. The nearest CNDDB occurrence is approximately 3.3 miles east of the Highlands Park Fuels Treatment Area of the project site. Chorizanthe San Francisco None/None/1B.2 Coastal bluff scrub, Coastal Not expected to occur. The cuspidata var. Bay dunes, Coastal prairie, site lacks sandy soils to cuspidata spineflower Coastal scrub; sandy/annual support this species and herb/Apr–July(Aug)/5–705 the nearest CNDDB occurrence is approximately 14 miles northwest of the project site (CDFW 2019). Cirsium Franciscan None/None/1B.2 Broadleafed upland forest, Not expected to occur. The andrewsii thistle Coastal bluff scrub, Coastal site lacks suitable vernally prairie, Coastal scrub; mesic, mesic conditions and the sometimes nearest CNDDB serpentinite/perennial occurrence is herb/Mar–July/0–490 approximately 13.3 miles northwest of the project site (CDFW 2019).

11719 1-3 April 2019 Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Cirsium Crystal FE/SE/1B.1 Chaparral (openings), Moderate potential to fontinale var. Springs Cismontane woodland, occur. The site is located fontinale fountain Meadows and seeps, Valley within the species’ known thistle and foothill grassland; elevation range and Serpentinite suitable cismontane seeps/perennial woodland and grasslands herb/(Apr)May–Oct/145– are present and the 575 nearest CNDDB occurrence is approximately 1.3 miles south of the Crestview Park Fuels Treatment Area of the project site (CDFW 2019). Cirsium lost thistle None/None/1A unknown/perennial Low potential to occur. praeteriens herb/June–July/0–330 Only two known occurrences for this species with one being possibly extirpated (CDFW 2019). Collinsia round-headed None/None/1B.2 Coastal dunes/annual Not expected to occur. The corymbosa Chinese- herb/Apr–June/0–65 site is outside of the houses species’ known elevation range and there is no suitable coastal dune habitat present. Collinsia San Francisco None/None/1B.2 Closed-cone coniferous Present. The site is located multicolor collinsia forest, Coastal scrub; within the species’ known sometimes elevation range, suitable serpentinite/annual habitat is present and the herb/(Feb)Mar–May/95– nearest CNDDB 820 occurrences overlap the project site (CDFW 2019). The nearest CNDDB occurrence is within the northern section of the Eaton Park Treatment Area of the project site (CDFW 2019). Additionally, this species was observed within the western section of the Big Canyon Treatment Area of the project site during the March 2019 field survey.

11719 1-4 April 2019 Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Dirca western None/None/1B.2 Broadleafed upland forest, High potential to occur. occidentalis leatherwood Closed-cone coniferous The site is located within forest, Chaparral, the species’ known Cismontane woodland, North elevation range, suitable Coast coniferous forest, habitat is present and the Riparian forest, Riparian nearest CNDDB woodland; mesic/perennial occurrence is within the deciduous shrub/Jan– Big Canyon Treatment Mar(Apr)/80–1395 Area of the project site (CDFW 2019). Eriogonum Ben Lomond None/None/1B.1 Chaparral, Cismontane Not expected to occur. The nudum var. buckwheat woodland, Lower montane site is located within the decurrens coniferous forest (maritime species’ known elevation ponderosa pine sandhills); range and suitable sandy/perennial herb/June– cismontane woodland is Oct/160–2625 present; however, the nearest CNDDB occurrence is over 29 miles southeast of the project site (CDFW 2019). Eriophyllum San Mateo FE/SE/1B.1 Cismontane woodland (often Low potential to occur. The latilobum woolly serpentinite, on roadcuts), site is located within the sunflower Coastal scrub, Lower species’ known elevation montane coniferous range, but marginally forest/perennial herb/May– suitable coastal scrub is June/145–1085 present, and the nearest CNDDB occurrence is approximately 4.8 miles northwest of the Highland Parks Fuels Treatment Area of the project site (CDFW 2019). Eryngium Hoover's None/None/1B.1 Vernal pools/annual / Not expected to occur. The aristulatum var. button-celery perennial site is outside of the hooveri herb/(June)July(Aug)/5–150 species’ known elevation range and there is no suitable vernal pool habitat present.

11719 1-5 April 2019 Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Eryngium Jepson's None/None/1B.2 Valley and foothill grassland, Not expected to occur. The jepsonii coyote thistle Vernal pools; clay/perennial site is located within the herb/Apr–Aug/5–985 species’ known elevation range and suitable grassland are present; however, the site lacks suitable clay soils and vernal pools to support this species. Fissidens minute pocket None/None/1B.2 North Coast coniferous Not expected to occur. No pauperculus moss forest (damp coastal suitable coniferous forest soil)/moss/N.A./30–3360 habitat present. Fritillaria biflora Hillsborough None/None/1B.1 Cismontane woodland, Low potential to occur. The var. ineziana chocolate lily Valley and foothill grassland; site is located within the serpentinite/perennial species’ known elevation bulbiferous herb/Mar– range, marginally suitable Apr/490–490 cismontane woodland and grasslands are present, and the nearest CNDDB occurrence is approximately 5.6 miles northwest of the project site (CDFW 2019). Fritillaria Marin checker None/None/1B.1 Coastal bluff scrub, Coastal Not expected to occur. lanceolata var. lily prairie, Coastal There is no suitable tristulis scrub/perennial bulbiferous coastal habitat present herb/Feb–May/45–490 and the nearest CNDDB occurrence is over 28 miles northwest of the project site (CDFW 2019). Fritillaria liliacea fragrant None/None/1B.2 Cismontane woodland, Moderate potential to fritillary Coastal prairie, Coastal occur. The site is located scrub, Valley and foothill within the species’ known grassland; Often elevation range, suitable serpentinite/perennial habitat is present and the bulbiferous herb/Feb– nearest known CNDDB Apr/5–1345 occurrence is approximately 1 mile south of the Eaton Park Treatment Area of the project site (CDFW 2019). Hesperevax short-leaved None/None/1B.2 Coastal bluff scrub (sandy), Not expected to occur. No sparsiflora var. evax Coastal dunes, Coastal suitable coastal habitat brevifolia prairie/annual herb/Mar– present. June/0–705

11719 1-6 April 2019 Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Hesperolinon Marin western FT/ST/1B.1 Chaparral, Valley and foothill Moderate potential to congestum flax grassland; occur. The site is located serpentinite/annual within the species’ known herb/Apr–July/15–1215 elevation range, suitable grasslands are present and the nearest known CNDDB occurrence is approximately 1.3 miles south of the Eaton Park Treatment Area of the project site (CDFW 2019). Horkelia Kellogg's None/None/1B.1 Closed-cone coniferous Not expected to occur. cuneata var. horkelia forest, Chaparral (maritime), There is no suitable sericea Coastal dunes, Coastal coniferous forest, maritime scrub; sandy or gravelly, chaparral, or coastal openings/perennial habitat present and the herb/Apr–Sep/30–655 nearest known CNDDB occurrence is approximately 7.9 miles west of the project site (CDFW 2019). Horkelia Point Reyes None/None/1B.2 Coastal dunes, Coastal Not expected to occur. marinensis horkelia prairie, Coastal scrub; There is no suitable sandy/perennial herb/May– coastal dune, prairie, or Sep/15–2475 scrub habitat present and the nearest known CNDDB occurrence is approximately 11.2 miles northwest of the project site (CDFW 2019). Hypogymnia island rock None/None/1B.3 Closed-cone coniferous Not expected to occur. schizidiata lichen forest, Chaparral; On bark There is no suitable and wood of hardwoods and coniferous forest or conifers/foliose lichen chaparral present, and the (null)/N.A./1180–1330 site is outside of the species’ known elevation range.

11719 1-7 April 2019 Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Lasthenia perennial None/None/1B.2 Coastal bluff scrub, Coastal Low potential to occur. The californica ssp. goldfields dunes, Coastal site is located within the macrantha scrub/perennial herb/Jan– species’ known elevation Nov/15–1705 range, suitable coastal scrub is present; however, the nearest known CNDDB occurrence is approximately 9 miles west of the project site (CDFW 2019). Legenere legenere None/None/1B.1 Vernal pools/annual Not expected to occur. No limosa herb/Apr–June/0–2885 suitable vernal pool habitat present. Leptosiphon coast yellow None/SC/1B.1 Coastal bluff scrub, Coastal Not expected to occur. No croceus leptosiphon prairie/annual herb/Apr– suitable coastal bluff scrub June/30–490 or prairie habitat present. Leptosiphon rose None/None/1B.1 Coastal bluff scrub/annual Not expected to occur. No rosaceus leptosiphon herb/Apr–July/0–330 suitable coastal bluff scrub habitat present. Lessingia Crystal None/None/1B.2 Cismontane woodland, Moderate potential to arachnoidea Springs Coastal scrub, Valley and occur. The site is located lessingia foothill grassland; within the species’ known serpentinite, often elevation range, suitable roadsides/annual herb/July– habitat is present and the Oct/195–655 nearest CNDDB occurrence is approximately 1.3 miles southwest of the Crestview Park Fuels Treatment Area of the project site (CDFW 2019). Lilium coast lily None/None/1B.1 Broadleafed upland forest, Not expected to occur. The maritimum Closed-cone coniferous site is located within the forest, Coastal prairie, species’ known elevation Coastal scrub, Marshes and range and suitable coastal swamps (freshwater), North scrub is present; however, Coast coniferous forest; the nearest CNDDB sometimes occurrence is over 50 roadside/perennial miles northwest of the bulbiferous herb/May– project site (CDFW 2019). Aug/15–1560

11719 1-8 April 2019 Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Limnanthes Ornduff's None/None/1B.1 Meadows and seeps; Not expected to occur. The douglasii ssp. meadowfoam Agricultural fields/annual site is outside of the ornduffii herb/Nov–May/30–65 species’ known elevation range and there is no suitable meadow, seep, or agricultural habitat present. Malacothamnus Indian Valley None/None/1B.2 Chaparral, Cismontane Not expected to occur. The aboriginum bush-mallow woodland; Rocky, granitic, site is located within the often in burned species’ known elevation areas/perennial deciduous range and suitable shrub/Apr–Oct/490–5575 cismontane woodland is present; however, the nearest CNDDB occurrence is over 70 miles southeast of the project site (CDFW 2019). Malacothamnus arcuate bush- None/None/1B.2 Chaparral, Cismontane High potential to occur. arcuatus mallow woodland/perennial The site is located within evergreen shrub/Apr– the species’ known Sep/45–1165 elevation range, suitable cismontane woodland is present and the nearest CNDDB occurrence is approximately 0.3 miles west of the Highland Park Fuels Treatment Area of the project site (CDFW 2019). Malacothamnus Davidson's None/None/1B.2 Chaparral, Cismontane Not expected to occur. The davidsonii bush-mallow woodland, Coastal scrub, site is located within the Riparian woodland/perennial species’ known elevation deciduous shrub/June– range and suitable Jan/605–3740 cismontane woodland and coastal scrub is present; however, the nearest CNDDB occurrence is over 90 miles southeast of the project site (CDFW 2019).

11719 1-9 April 2019 Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Malacothamnus Hall's bush- None/None/1B.2 Chaparral, Coastal Not expected to occur. The hallii mallow scrub/perennial evergreen site is located within the shrub/(Apr)May– species’ known elevation Sep(Oct)/30–2495 range and suitable coastal scrub is present; however, the nearest CNDDB occurrence is over 20 miles east of the project site (CDFW 2019). Microseris marsh None/None/1B.2 Closed-cone coniferous Not expected to occur. The paludosa microseris forest, Cismontane site is located within the woodland, Coastal scrub, species’ known elevation Valley and foothill range and suitable habitat grassland/perennial is present; however, the herb/Apr–June(July)/15– nearest CNDDB 1165 occurrence is over 19 miles south of the project site (CDFW 2019). Monolopia woodland None/None/1B.2 Broadleafed upland forest High potential to occur. gracilens woolythreads (openings), Chaparral The site is located within (openings), Cismontane the species’ known woodland, North Coast elevation range, suitable coniferous forest (openings), habitat is present and the Valley and foothill grassland; nearest CNDDB Serpentine/annual occurrence is herb/(Feb)Mar–July/325– approximately 0.82 miles 3935 northwest of the Big Canyon Park Treatment Area of the project site (CDFW 2019). Navarretia pincushion None/None/1B.1 Vernal pools; often Not expected to occur. No myersii ssp. navarretia acidic/annual herb/Apr– suitable vernal pool habitat myersii May/65–1085 present. Pedicularis Dudley's None/SR/1B.2 Chaparral (maritime), Not expected to occur. The dudleyi lousewort Cismontane woodland, North site is located within the Coast coniferous forest, species’ known elevation Valley and foothill range and suitable habitat grassland/perennial is present; however, the herb/Apr–June/195–2955 nearest CNDDB occurrence is over 15 miles south of the project site (CDFW 2019).

11719 1-10 April 2019 Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Pentachaeta white-rayed FE/SE/1B.1 Cismontane woodland, Moderate potential to bellidiflora pentachaeta Valley and foothill grassland occur. The site is located (often serpentinite)/annual within the species’ known herb/Mar–May/110–2035 elevation range, suitable habitat is present and the nearest CNDDB occurrence is approximately 1.4 miles south of the Crestview Park Fuels Treatment Area of the project site (CDFW 2019). Piperia candida white-flowered None/None/1B.2 Broadleafed upland forest, Not expected to occur. No rein orchid Lower montane coniferous suitable habitat present. forest, North Coast coniferous forest; sometimes serpentinite/perennial herb/(Mar)May–Sep/95– 4300 Plagiobothrys Choris' None/None/1B.2 Chaparral, Coastal prairie, Not expected to occur. The chorisianus var. popcornflower Coastal scrub; mesic/annual site is located within the chorisianus herb/Mar–June/5–525 species’ known elevation range, and the nearest CNDDB occurrence is approximately 1.8 miles southwest of the Crestview Park Fuels Treatment Area of the project site (CDFW 2019). However, the site does not support suitable mesic habitat. Polemonium Oregon None/None/2B.2 Coastal prairie, Coastal Low potential to occur. The carneum polemonium scrub, Lower montane site is located within the coniferous forest/perennial species’ known elevation herb/Apr–Sep/0–6005 range, suitable coastal scrub is present; however, the nearest CNDDB occurrence is approximately 8.2 miles northwest of the project site (CDFW 2019).

11719 1-11 April 2019 Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Potentilla Hickman's FE/SE/1B.1 Coastal bluff scrub, Closed- Not expected to occur. No hickmanii cinquefoil cone coniferous forest, suitable habitat present. Meadows and seeps (vernally mesic), Marshes and swamps (freshwater)/perennial herb/Apr–Aug/30–490 Senecio chaparral None/None/2B.2 Chaparral, Cismontane High potential to occur. aphanactis ragwort woodland, Coastal scrub; The site is located within sometimes alkaline/annual the species’ known herb/Jan–Apr(May)/45– elevation range, suitable 2625 habitat is present and the nearest known CNDDB occurrence is approximately 0.82 miles northwest of the Big Canyon Park Treatment Area of the project site (CDFW 2019). Silene scouleri Scouler's None/None/2B.2 Coastal bluff scrub, Coastal Not expected to occur. No ssp. scouleri catchfly prairie, Valley and foothill suitable habitat present. grassland/perennial herb/(Mar–May)June– Aug(Sep)/0–1970 Silene San Francisco None/None/1B.2 Coastal bluff scrub, Moderate potential to verecunda ssp. campion Chaparral, Coastal prairie, occur. The site is located verecunda Coastal scrub, Valley and within the species’ known foothill grassland; elevation range, suitable sandy/perennial coastal scrub and herb/(Feb)Mar– grasslands are present June(Aug)/95–2115 and the nearest CNDDB occurrence is approximately 1.15 miles south of the Eaton Park Treatment Area of the project site (CDFW 2019). Stuckenia slender-leaved None/None/2B.2 Marshes and swamps Not expected to occur. The filiformis ssp. pondweed (assorted shallow site is outside of the alpina freshwater)/perennial species’ known elevation rhizomatous herb range and there is no (aquatic)/May–July/980– suitable habitat present. 7055

11719 1-12 April 2019 Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Trifolium two-fork clover FE/None/1B.1 Coastal bluff scrub, Valley Moderate potential to amoenum and foothill grassland occur. The site is located (sometimes within the species’ known serpentinite)/annual elevation range, suitable herb/Apr–June/15–1360 grasslands are present and the nearest CNDDB occurrence is approximately 5 miles southeast of the project site (CDFW 2019). Trifolium Santa Cruz None/None/1B.1 Broadleafed upland forest, Low potential to occur. The buckwestiorum clover Cismontane woodland, site is located within the Coastal prairie; gravelly, species’ known elevation margins/annual herb/Apr– range, suitable cismontane Oct/340–2000 woodlands are present; however, the nearest CNDDB occurrence is approximately 8.9 miles southeast of the project site (CDFW 2019). Trifolium saline clover None/None/1B.2 Marshes and swamps, Valley Not expected to occur. The hydrophilum and foothill grassland site is located within the (mesic, alkaline), Vernal species’ known elevation pools/annual herb/Apr– range and the nearest June/0–985 CNDDB occurrence is approximately 3.3 miles northeast of the Highlands Park Fuels Treatment Area of the project site (CDFW 2019). However, the site does not support suitable mesic or vernal pool habitat. Triphysaria San Francisco None/None/1B.2 Coastal prairie, Coastal Moderate potential to floribunda owl's-clover scrub, Valley and foothill occur. The site is located grassland; usually within the species’ known serpentinite/annual elevation range, suitable herb/Apr–June/30–525 habitat is present and the nearest CNDDB occurrence is approximately 3 miles north of the Highlands Park Fuels Treatment Area of the project site (CDFW 2019).

11719 1-13 April 2019 Attachment 1 Table of Potentially Occurring Plant Species

Primary Habitat Status Associations/ Life Form/ Common (Federal/State/ Blooming Period/ Elevation Scientific Name Name CRPR) Range (feet) Potential to Occur Triquetrella coastal None/None/1B.2 Coastal bluff scrub, Coastal Not expected to occur. The californica triquetrella scrub; soil/moss/N.A./30– site is located within the 330 species’ known elevation range, suitable coastal scrub is present; however, the nearest CNDDB occurrence is over 12 miles from the project site (CDFW 2019). Tropidocarpum caper-fruited None/None/1B.1 Valley and foothill grassland Not expected to occur. The capparideum tropidocarpum (alkaline hills)/annual site is located within the herb/Mar–Apr/0–1495 species’ known elevation range, suitable grasslands are present; however, the nearest CNDDB occurrence is over 29 miles from the project site (CDFW 2019).

11719 1-14 April 2019

Attachment 2 Table of Potentially Occurring Wildlife Species

Status Common (Federal/ Scientific Name Name State) Habitat Potential to Occur Amphibians Ambystoma California tiger FT/ST, WL Annual grassland, valley– Not expected to occur. californiense salamander foothill hardwood, and valley– Grasslands are present, foothill riparian habitats; vernal however, the study area pools, other ephemeral pools, lacks suitable vernal and (uncommonly) along pools and ephemeral stream courses and man-made pools/streams to support pools if predatory fishes are this species. The nearest absent CNDDB occurrence is approximately 3.3 miles south of the Eaton Park Treatment Area of the project site (CDFW 2019). Aneides Santa Cruz None/SSC Restricted to mesic forests in Not expected to occur. flavipunctatus black the fog belt of the outer Coast Project study area lacks niger salamander Range of San Mateo, Santa mesic forests to support Cruz, and Santa Clara counties. these species and also Mixed deciduous and lacks suitable coniferous woodlands and microhabitats. The coastal grasslands. Occurs in nearest CNDDB moist streamside occurrence is microhabitats and is found approximately 3.5 miles under rocks, talus, and damp southwest of the woody debris. Crestview Park Fuels Treatment Area of the project site (CDFW 2019). Dicamptodon California None/SSC Known from wet coastal Not expected to occur. ensatus giant forests and chaparral near Project study area lacks salamander streams and seeps from suitable streams, lakes, Mendocino Co. south to or ponds to support this Monterey Co. and east to Napa species. The nearest Co. Aquatic larvae found in CNDDB occurrence is cold, clear streams, approximately 3.7 miles occasionally in lakes and south of the Eaton Park ponds. Adults known from wet Treatment Area of the forests under rocks and logs project site (CDFW 2019). near streams and lakes. Rana boylii foothill yellow- None/SSC, Rocky streams and rivers with Not expected to occur. legged frog PST open banks in forest, Project study area lacks chaparral, and woodland suitable streams and rivers to support this species. The nearest CNDDB occurrence is approximately 1.4 miles west of the Crestview Park Fuels Treatment

11719 2-1 April 2019 Attachment 2 Table of Potentially Occurring Wildlife Species

Status Common (Federal/ Scientific Name Name State) Habitat Potential to Occur Area of the project site (CDFW 2019). Rana draytonii California red- FT/SSC Lowland streams, wetlands, Low potential to occur. legged frog riparian woodlands, livestock Project study area lacks ponds; dense, shrubby or suitable streams and emergent vegetation emergent habitat to associated with deep, still or support this species. The slow-moving water; uses nearest CNDDB adjacent uplands occurrence is approximately 1.6 miles west of the Crestview Park Fuels Treatment Area of the project site (CDFW 2019). Taricha rivularis red-bellied None/SSC Redwood forests (and Not expected to occur. No newt sometimes other forest types) suitable habitat present. along coastal drainages from Humboldt County south to Sonoma County, inland to Lake County. Lives in terrestrial habitats, juveniles generally underground, adults active at surface in moist environments. Will migrate over 1 km to breed, typically in streams with moderate flow and clean rocky substrate. Reptiles Actinemys western pond None/SSC Slow-moving permanent or Not expected to occur. No marmorata turtle intermittent streams, ponds, suitable waters or small lakes, and reservoirs adjacent uplands are with emergent basking sites; present. The nearest adjacent uplands used for CNDDB occurrence is nesting and during winter approximately 1.8 miles northwest of the Crestview Park Fuels Treatment Area of the project site (CDFW 2019). Thamnophis San Francisco FE/FP, SE Wide range of habitats Low potential to occur. sirtalis tetrataenia garter snake including grasslands or Known CNDDB wetlands adjacent to ponds, occurrences immediately marshes, and sloughs adjacent to the project study area, the nearest occurrence is approximately 1.7 miles northwest of the Big Canyon Park Treatment

11719 2-2 April 2019 Attachment 2 Table of Potentially Occurring Wildlife Species

Status Common (Federal/ Scientific Name Name State) Habitat Potential to Occur Area of the project site (CDFW 2019). No suitable wetland or marsh habitat is present with main prey (i.e., CA red- legged frog) not expected to occur. Birds Asio flammeus short-eared None/SSC Grassland, prairies, dunes, Low potential to nest on (nesting) owl meadows, irrigated lands, and site due to marginally saline and freshwater suitable grasslands emergent wetlands present. The nearest CNDDB occurrence is approximately 3.7 miles northeast of the Highlands Park Fuels Treatment Area of the project site (CDFW 2019). Asio otus long-eared owl None/SSC Nests in riparian habitat, live Low potential to nest on (nesting) oak thickets, other dense site due to lack of dense stands of trees, edges of stands of trees and lack coniferous forest; forages in of open nearby foraging nearby open habitats habitats. Nearest CNDDB occurrence is approximately 12 miles southeast of the project study area (CDFW 2019). Athene burrowing owl BCC/SSC Nests and forages in Not expected to occur. cunicularia grassland, open scrub, and Study area is lacking (burrow sites & agriculture, particularly with suitable grasslands and some wintering ground squirrel burrows scrub; terrain is steep sites) with sloping hills and within a residential area. Nearest CNDDB occurrence is approximately 5.9 miles north of the project study area (CDFW 2019). Brachyramphus marbled FT/SE Nests in old-growth coastal Not expected to nest on marmoratus murrelet forests, forages in subtidal and site due to lack of (nesting) pelagic habitats suitable habitat. The nearest CNDDB occurrence is approximately 4.6 miles southwest of the Crestview Park Fuels

11719 2-3 April 2019 Attachment 2 Table of Potentially Occurring Wildlife Species

Status Common (Federal/ Scientific Name Name State) Habitat Potential to Occur Treatment Area of the project site (CDFW 2019). Charadrius western snowy FT, BCC/SSC On coasts nests on sandy Not expected to nest on alexandrinus plover marine and estuarine shores; site due to lack of nivosus (nesting) in the interior nests on sandy, suitable barren flats near barren or sparsely vegetated saline/ alkaline lake, flats near saline or alkaline reservoirs, or ponds. The lakes, reservoirs, and ponds nearest CNDDB occurrence is approximately 2.7 miles northeast of the Highlands Park Fuels Treatment Area of the project site (CDFW 2019). Circus hudsonius northern None/SSC Nests in open wetlands Not expected to nest on (nesting) harrier (marshy meadows, wet lightly- site. The study area is grazed pastures, old fields, outside of the species’ freshwater and brackish known geographic range marshes); also in drier habitats and there is no suitable (grassland and grain fields); habitat present. The forages in grassland, scrubs, nearest CNDDB rangelands, emergent occurrence is wetlands, and other open approximately 3.7 miles habitats northeast of the Highlands Park Fuels Treatment Area East of the project site (CDFW 2019). Coturnicops yellow rail BCC/SSC Nesting requires wet Not expected to occur. No noveboracensis marsh/sedge meadows or suitable meadows, coastal marshes with wet soil marshes, or standing and shallow, standing water water is present to support this species. The nearest CNDDB occurrence is approximately 2.8 miles east of the Eaton Park Treatment Area of the project site (CDFW 2019). Elanus leucurus white-tailed None/FP Nests in woodland, riparian, Moderate potential to (nesting) kite and individual trees near open nest and forage on site lands; forages opportunistically due to presence of in grassland, meadows, suitable habitats. The scrubs, agriculture, emergent nearest CNDDB wetland, savanna, and occurrence is disturbed lands approximately 4.2 miles northeast of the Highlands Park Fuels

11719 2-4 April 2019 Attachment 2 Table of Potentially Occurring Wildlife Species

Status Common (Federal/ Scientific Name Name State) Habitat Potential to Occur Treatment Area of the project site (CDFW 2019). Falco peregrinus American FDL, BCC/FP, Nests on cliffs, buildings, and Not expected to nest on anatum (nesting) peregrine SDL bridges; forages in wetlands, site due to lack of falcon riparian, meadows, croplands, suitable cliffs, buildings or especially where waterfowl are bridges. Not expected to present forage on site due to lack of suitable habitat. The nearest CNDDB occurrence is approximately 4.9 miles northwest of the Highland Park Fuels Treatment Area of the project site (CDFW 2019). Geothlypis trichas saltmarsh BCC/SSC Nests and forages in emergent Not expected to nest or sinuosa common wetlands including woody forage on site due to lack yellowthroat swamp, brackish marsh, and of suitable wetlands. The freshwater marsh nearest CNDDB occurrence is approximately 1.9 miles west of the Crestview Park Fuels Treatment Area of the project site (CDFW 2019). Haliaeetus bald eagle FDL, BCC/FP, Nests in forested areas Not expected to nest or leucocephalus SE adjacent to large bodies of winter on site due to lack (nesting & water, including seacoasts, of suitable aquatic wintering) rivers, swamps, large lakes; hunting sites. winters near large bodies of water in lowlands and mountains Laterallus California BCC/FP, ST Tidal marshes, shallow Not expected to occur. No jamaicensis black rail freshwater margins, wet suitable wetland habitat coturniculus meadows, and flooded grassy present. The nearest vegetation; suitable habitats CNDDB occurrence is are often supplied by canal approximately 3.7 miles leakage in Sierra Nevada east of the Highlands foothill populations Park Fuels Treatment Area of the project site (CDFW 2019). Melospiza Alameda song BCC/SSC Nests and forages in tidal Not expected to nest or melodia pusillula sparrow saltmarsh forage on site due to lack of suitable tidal saltmarsh. The nearest CNDDB occurrence is approximately 1.5 miles

11719 2-5 April 2019 Attachment 2 Table of Potentially Occurring Wildlife Species

Status Common (Federal/ Scientific Name Name State) Habitat Potential to Occur northeast of the Highlands Park Fuels Treatment Area of the project site (CDFW 2019). Rallus obsoletus Ridgway’s rail FE/SE, FP Coastal salt or brackish Not expected to occur. No obsoletus marshes suitable coastal salt or brackish marshes are present. The nearest CNDDB occurrence is approximately 2.3 miles east of the Highlands Park Fuels Treatment Area of the project site (CDFW 2019). Riparia riparia bank swallow None/ST Nests in riparian, lacustrine, Not expected to nest on (nesting) and coastal areas with vertical site due to lack of banks, bluffs, and cliffs with suitable bank habitat. sandy soils; open country and water during migration Sternula California FE/FP, SE Forages in shallow estuaries Not expected to nest or antillarum browni least tern and lagoons; nests on sandy forage on site due to lack (nesting colony) beaches or exposed tidal flats of suitable habitat and sandy/exposed beaches and tidal flats. The nearest CNDDB occurrence is approximately 3.7 miles northeast of the Highlands Park Fuels Treatment Area of the project site (CDFW 2019). Fishes Eucyclogobius tidewater goby FE/SSC Brackish water habitats along Not expected to occur. No newberryi the California coast from Agua suitable aquatic habitats Hedionda Lagoon, San Diego are present to support County, to the mouth of the this species. Smith River Oncorhynchus steelhead - FT/None Coastal basins from Redwood Not expected to occur. No mykiss irideus central Creek south to the Gualala suitable aquatic habitats pop. 8 California River, inclusive; does not are present to support coast DPS include summer-run steelhead this species. The nearest occurrence is approximately 4.9 miles west of the Crestview Park Fuels Treatment Area of the project site in Mills Creek (CDFW 2019).

11719 2-6 April 2019 Attachment 2 Table of Potentially Occurring Wildlife Species

Status Common (Federal/ Scientific Name Name State) Habitat Potential to Occur Spirinchus longfin smelt FC/SSC, ST Aquatic, estuary Not expected to occur. No thaleichthys suitable aquatic habitats are present to support this species. Mammals Antrozous pallid bat None/SSC Grasslands, shrublands, Not expected to roost on pallidus woodlands, forests; most site due to lack of common in open, dry habitats suitable with rocky outcrops for outcrops/structures; roosting, but also roosts in however, moderate man-made structures and potential to forage on site. trees The nearest CNDDB occurrence is approximately 1.5 miles north of the Highlands Park Fuels Treatment Area of the project site (CDFW 2019). Corynorhinus Townsend's None/SSC Mesic habitats characterized Not expected to roost on townsendii big-eared bat by coniferous and deciduous site due to lacks of forests and riparian habitat, suitable caves, tubes, but also xeric areas; roosts in structures and tunnels; limestone caves and lava however, moderate tubes, man-made structures, potential to forage on site. and tunnels The nearest CNDDB occurrence is approximately 4.7 miles south of the Eaton Park Treatment Area of the project site (CDFW 2019). Neotoma fuscipes San Francisco None/SSC Forest habitats with a Present. Numerous stick annectens dusky-footed moderate canopy and structures were observed woodrat moderate to dense understory during the site survey and the study area is within the geographic range of this subspecies. The nearest documented CNDDB occurrence is approximately 2.2 miles northwest of the Big Canyon Park Treatment Area of the project site (CDFW 2019). Nyctinomops big free-tailed None/SSC Rocky areas; roosts in caves, Not expected to roost or macrotis bat holes in trees, buildings, and forage on site due to lack crevices on cliffs and rocky of suitable habitat. outcrops; forages over water

11719 2-7 April 2019 Attachment 2 Table of Potentially Occurring Wildlife Species

Status Common (Federal/ Scientific Name Name State) Habitat Potential to Occur Reithrodontomys salt-marsh FE/FP, SE Saline emergent wetlands, Not expected to occur. raviventris harvest preference for pickleweed Grasslands are present; mouse saline emergent wetlands; also however, the study area uses adjacent grasslands lacks suitable wetlands. The nearest CNDDB occurrence is approximately 2.4 miles northeast of the Highlands Park Fuels Treatment Area of the project site (CDFW 2019). Sorex vagrans salt-marsh None/SSC Saltmarsh inundated daily by Not expected to occur. No halicoetes wandering tidal waters suitable habitat or tidal shrew waters are present. The nearest CNDDB occurrence is approximately 3.9 miles northeast of the Highlands Park Fuels Treatment Area of the project site (CDFW 2019). Taxidea taxus American None/SSC Dry, open, treeless areas; Not expected to occur. badger grasslands, coastal scrub, Grasslands and coastal agriculture, and pastures, scrub is present; however, especially with friable soils this species is not expected to occur due to the highly urbanized area surrounding the project study area. Invertebrates Callophrys mossii San Bruno FE/None Coastal chaparral, on steep Low potential to occur. bayensis elfin butterfly north-facing slopes, and in fog- Project site lacks suitable belt of the mountains near San coastal chaparral to Francisco Bay support this species. Nearest known CNDDB occurrence is approximately 10.4 mile northwest of the project study area (CDFW 2019). Euphydryas Bay FT/None Serpentine or serpentine-like Moderate potential to editha bayensis checkerspot grasslands occur. Suitable butterfly grasslands are present. The nearest CNDDB occurrence is approximately 1.4 miles south of the Crestview Park Fuels Treatment

11719 2-8 April 2019 Attachment 2 Table of Potentially Occurring Wildlife Species

Status Common (Federal/ Scientific Name Name State) Habitat Potential to Occur Area of the project site (CDFW 2019). Plebejus Mission blue FE/None Coastal chaparral and coastal Low potential to occur. icarioides butterfly grasslands; host plants are Marginally suitable missionensis silver lupine (Lupinus grasslands are present albifrons), summer lupine (L. but as fragmented formosus), and manycolored habitat. Nearest CNDDB lupine (L. variicolor) occurrence is approximately 9.2 miles northwest of the project study area (CDFW 2019). Speyeria zerene Myrtle's FE/None Coastal dunes, coastal scrub, Not expected to occur. myrtleae silverspot and coastal prairie Suitable coastal scrub is butterfly not present. Nearest CNDDB occurrence is approximately 4.5 miles northwest of the project study area (CDFW 2019).

11719 2-9 April 2019 Attachment 2 Table of Potentially Occurring Wildlife Species

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11719 2-10 April 2019

Attachment 3 Plant Species Observed On Site

EUDICOTS VASCULAR SPECIES

ANACARDIACEAE—SUMAC OR CASHEW FAMILY Toxicodendron diversilobum—poison oak

APIACEAE—CARROT FAMILY * Foeniculum vulgare—fennel Sanicula arctopoides—footsteps of spring Sanicula bipinnatifida—purple sanicle Sanicula laciniata—coastal blacksnakeroot Sanicula tracyi—Tracy's sanicle

ASTERACEAE—SUNFLOWER FAMILY Antennaria corymbosa—flat-top pussytoes Artemisia californica—California sagebrush Baccharis pilularis—coyote brush * Carduus pycnocephalus—Italian plumeless thistle * Centaurea melitensis—Maltese star-thistle * Centaurea solstitialis—yellow star-thistle * Cirsium vulgare—bull thistle * Cotula coronopifolia—brass buttons Grindelia hirsutula var. maritima—San Francisco gumplant * Helminthotheca echioides—bristly oxtongue Pseudognaphalium leucocephalum—white rabbit-tobacco * Silybum marianum—blessed milkthistle * Sonchus asper—spiny sowthistle * Taraxacum officinale—common dandelion

BORAGINACEAE—BORAGE FAMILY Cynoglossum grande—Pacific hound's tongue

BRASSICACEAE—MUSTARD FAMILY * Capsella bursa-pastoris—shepherd's purse Cardamine pachystigma var. dissectifolia—dissected-leaved toothwort

CACTACEAE—CACTUS FAMILY Opuntia ×occidentalis—pricklypear

11719 3-1 April 2019 Attachment 3 Plant Species Observed On Site

CAPRIFOLIACEAE—HONEYSUCKLE FAMILY Lonicera hispidula—pink honeysuckle Symphoricarpos albus—common snowberry

CARYOPHYLLACEAE—PINK FAMILY Silene marmorensis—Marble Mountain campion * Stellaria media—common chickweed

CONVOLVULACEAE—MORNING-GLORY FAMILY Calystegia purpurata—Pacific false bindweed

CUCURBITACEAE—GOURD FAMILY Marah fabacea—California man-root

FABACEAE—LEGUME FAMILY * Acacia dealbata—silver wattle Acmispon americanus—Spanish clover * Cytisus scoparius—broom * Genista monosperma—bridal broom * Genista monspessulana—French broom Lathyrus jepsonii var. jepsonii—Delta tule pea * Lotus corniculatus—bird's-foot trefoil Lupinus bicolor—miniature lupine Lupinus succulentus—hollowleaf annual lupine * Medicago polymorpha—burclover * Vicia sativa—garden vetch

FAGACEAE—OAK FAMILY Quercus agrifolia—coast live oak

GROSSULARIACEAE—GOOSEBERRY FAMILY Ribes sp.

GERANIACEAE—GERANIUM FAMILY * Erodium botrys—longbeak stork's bill * Erodium cicutarium—redstem stork's bill * Geranium dissectum—cutleaf geranium

11719 3-2 April 2019 Attachment 3 Plant Species Observed On Site

LAMIACEAE—MINT FAMILY Clinopodium douglasii—yerba buena Salvia mellifera—black sage Stachys ajugoides—bugle hedgenettle

MALVACEAE—MALLOW FAMILY Malacothamnus parishii—Parish's bush-mallow

MONTIACEAE—MONTIA FAMILY Calandrinia menziesii—red maids

MYRTACEAE—MYRTLE FAMILY * Eucalyptus globulus—Tasmanian bluegum

OLEACEAE—OLIVE FAMILY * Ligustrum ovalifolium—California privet

OROBANCHACEAE—BROOM-RAPE FAMILY Pedicularis densiflora—Indian warrior

OXALIDACEAE—OXALIS FAMILY Oxalis suksdorfii—Suksdorf's wood-sorrel

PAPAVERACEAE—POPPY FAMILY Eschscholzia californica—California poppy

PHILADELPHACEAE—MOCK ORANGE FAMILY Carpenteria californica—tree-anemone

PRIMULACEAE—PRIMROSE FAMILY Primula clevelandii—no common name

RANUNCULACEAE—BUTTERCUP FAMILY Ranunculus occidentalis—western buttercup

ROSACEAE—ROSE FAMILY Adenostoma fasciculatum—chamise Heteromeles arbutifolia—toyon Prunus ilicifolia—holly leaf cherry Rosa gymnocarpa—dwarf rose * Rubus armeniacus—Himalayan blackberry

11719 3-3 April 2019 Attachment 3 Plant Species Observed On Site

RUBIACEAE—MADDER FAMILY Galium aparine—stickywilly

SALICACEAE—WILLOW FAMILY Salix lasiandra—shining willow

SAPINDACEAE—SOAPBERRY FAMILY Aesculus californica—California buckeye

SCROPHULARIACEAE—FIGWORT FAMILY Scrophularia californica—California figwort

SIMAROUBACEAE—QUASSIA OR SIMAROUBA FAMILY * Ailanthus altissima—tree of heaven

SOLANACEAE—NIGHTSHADE FAMILY Solanum xanti—chaparral nightshade FERNS AND FERN ALLIES VASCULAR SPECIES

BLECHNACEAE—DEER FERN FAMILY Woodwardia fimbriata—giant chainfern

DENNSTAEDTIACEAE—BRACKEN FAMILY Pteridium aquilinum—western brackenfern

POLYPODIACEAE—POLYPODY FAMILY Polypodium sp.

PTERIDACEAE—BRAKE FAMILY Adiantum jordanii—California maidenhair Pellaea andromedifolia—coffee cliffbrake Pentagramma triangularis—goldback fern GYMNOSPERMS AND GNETOPHYTES VASCULAR SPECIES

PINACEAE—PINE FAMILY Pinus contorta—lodgepole pine Pinus radiata—Monterey pine

11719 3-4 April 2019 Attachment 3 Plant Species Observed On Site

MONOCOTS VASCULAR SPECIES

AGAVACEAE—AGAVE FAMILY Chlorogalum pomeridianum var. minus—dwarf soaproot

CYPERACEAE—SEDGE FAMILY Cyperus esculentus—yellow nutsedge

JUNCACEAE—RUSH FAMILY Luzula comosa—Pacific woodrush

LILIACEAE—LILY FAMILY Scoliopus bigelovii—California fetid adderstongue

MELANTHIACEAE—FALSE HELLEBORE FAMILY Trillium chloropetalum—giant wakerobin

POACEAE—GRASS FAMILY * Aira caryophyllea—silver hairgrass * Avena fatua—wild oat * Bromus hordeaceus—soft brome * Cortaderia jubata—purple pampas grass Stipa parishii—no common name

* signifies introduced (non-native) species

11719 3-5 April 2019 Attachment 3 Plant Species Observed On Site

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11719 3-6 April 2019

Attachment 4 Wildlife Species Observed On Site

BIRD FINCHES

FRINGILLIDAE—FRINGILLINE AND CARDUELINE FINCHES AND ALLIES Haemorhous mexicanus—house finch Spinus psaltria—lesser goldfinch FLYCATCHERS

TYRANNIDAE—TYRANT FLYCATCHERS Sayornis nigricans—black phoebe HAWKS

ACCIPITRIDAE—HAWKS, KITES, EAGLES, AND ALLIES Buteo jamaicensis—red-tailed hawk Buteo lineatus—red-shouldered hawk HUMMINGBIRDS

TROCHILIDAE—HUMMINGBIRDS Calypte anna—Anna's hummingbird JAYS, MAGPIES AND CROWS

CORVIDAE—CROWS AND JAYS Aphelocoma californica—California scrub-jay Corvus brachyrhynchos—American crow Corvus corax—common raven Cyanocitta stelleri—Steller's jay KINGLETS

REGULIDAE—KINGLETS Regulus calendula—ruby-crowned kinglet SWALLOWS

HIRUNDINIDAE—SWALLOWS chycineta bicolor—tree swallow TERNS AND GULLS

LARIDAE—GULLS, TERNS, AND SKIMMERS Larus californicus—California gull

11719 4-1 April 2019 Attachment 4 Wildlife Species Observed On Site

THRUSHES

TURDIDAE—THRUSHES Turdus migratorius—American robin

TITMICE

PARIDAE—CHICKADEES AND TITMICE Poecile rufescens—chestnut-backed chickadee

WOOD WARBLERS AND ALLIES

PARULIDAE—WOOD-WARBLERS Setophaga coronata—yellow-rumped warbler Setophaga townsendi—Townsend's warbler

WOODPECKERS

PICIDAE—WOODPECKERS AND ALLIES Colaptes auratus—northern flicker Melanerpes formicivorus—acorn woodpecker Dryobates nuttallii—Nuttall's woodpecker

WRENS

TROGLODYTIDAE—WRENS Thryomanes bewickii—Bewick’s wren

NEW WORLD SPARROWS

PASSERELLIDAE—NEW WORLD SPARROWS Junco hyemalis—dark-eyed junco Melozone crissalis—California towhee Pipilo maculatus—spotted towhee Zonotrichia atricapilla—golden-crowned sparrow MAMMAL SQUIRRELS

SCIURIDAE—SQUIRRELS Sciurus griseus—western gray squirrel

11719 4-2 April 2019

Attachment 5

Representative Site Photographs

Attachment 5 Representative Site Photographs

Photo 1: View of some of the Coast Live Oak Woodland on the project site. Big Canyon Park.

Photo 2: View of an ephemeral drainage feature; flowing at time of the site visit. Big Canyon Park.

11719 5-1 April 2019 Attachment 5 Representative Site Photographs

Photo 3: View of California Sagebrush Scrub found in Big Canyon Park.

Photo 4: Ornamental Landscape Plantings at the Crestview Park project site.

11719 5-2 April 2019 Attachment 5 Representative Site Photographs

Photo 5: View of coast live oak woodland and eucalyptus grove with small patches of annual grassland at the Crestview Park project site.

Photo 6: View of California annual grassland and Coast Live Oak Woodland at the Eaton Park project site.

11719 5-3 April 2019 Attachment 5 Representative Site Photographs

Photo 7: San Francisco Dusky-footed Woodrat middens on a hillside at the Eaton Park project site.

Photo 8: Chamise chaparral amongst Coast Live Oak Woodland at the Eaton Park project site.

11719 5-4 April 2019 Attachment 5 Representative Site Photographs

Photo 9: Ornamental Landscaping Plantings on the hillside at the Highlands Park project site.

Photo 8: Eucalyptus Grove at the Highlands Park project site.

11719 5-5 April 2019 Attachment 5 Representative Site Photographs

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11719 5-6 April 2019