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Appendix Bio-2 Special-Status Species

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Table Bio-2a Special-status Plants Identified as Having the Potential to Occur in the Proposed MTP/SCS Plan Common and Legal Status a Geographic Distribution/ Blooming Habitat Requirements Scientific Names Federal/State/CRPR Floristic Province Period Purdy’s onion –/–/4.3 Eastern Colusa, Lake, Napa and Yolo Serpentine or clay soils in chaparral, Apr-Jun Allium fimbriatum var. counties cismontane woodland; 300 – 600 purdyi meters Jepson’s onion –/–/1B.2 Sierra Nevada foothills in Butte, El Serpentine or volcanic soils in chaparral, Apr–Aug Allium jepsonii Dorado, Placer, and Tuolumne counties cismontane woodland, lower montane coniferous forest; 300–1,320 meters Congdon’s onion –/–/4.3 El Dorado, Mariposa, Nevada, Placer, and Serpentine or volcanic soils in chaparral Apr–Jul Allium sanbornii var. Tuolumne counties and cismontane woodland; 300–990 congdonii meters Sanborn’s onion –/–/4.2 Cascade Range foothills and Sierra Gravelly or usually serpentine soils in May–Sep Allium sanbornii var. Nevada Foothills, from Shasta County to chaparral, cismontane woodland, and sanbornii Calaveras County; Oregon lower montane coniferous forest; 260- 1,510 meters Bent-flowered –/–/1B.2 Inner North Coast Ranges, San Francisco Coastal bluff scrub, valley and foothill Mar–Jun fiddleneck Bay Area, western and central Great grasslands, cismontane woodlands; 3– Amsinckia lunaris Valley 500 meters Western androsace –/–/2B.3 Known only from Emigrant Gap, Placer Typically in mesic areas within upper Aug-Sep Androsace occidentalis County. montane coniferous forest; 1675-1700 meters Simple androsace –/–/2B.3 Endemic to Emigrant Gap in northern Seasonally wet sites in upper montane Aug–Sep Androsace high Sierra Nevada in Placer County; coniferous forest; 1,675–1,700 meters occidentalis var. Arizona, New Mexico, Texas, and simplex elsewhere Beautiful pussy-toes –/–/4.3 High Sierra Nevada: Alpine, El Dorado, Stream margins in alpine boulder and Jun–Sep Antennaria pulchella Fresno, Inyo, Mono, Tulare, and rock field, meadows and seeps; 2,800– Tuolumne counties; also Nevada 3,700 meters Twig-like snapdragon –/–/4.3 Southern high North Coast Ranges and Rocky, often serpentine soils in Jun–Jul Anthirrhinum virga southern Inner North Coast Ranges: chaparral openings, lower montane Lake, Mendocino, Napa, Sonoma, and coniferous forest; 100–2,015 meters Yolo counties Modest rock cress –/–/4.3 Klamath Ranges, North Coast Range, Chaparral, lower montane coniferous Mar–Jul Arabis modesta Napa, Siskiyou, and Trinity counties forest; 120–800 meters Carson Range rock –/–/1B.2 Known in CA from only two occurrences Rocky soils in broadleafed upland forest, Aug cress near Martis Peak, Placer County; Nevada upper montane coniferous forest; Arabis rigidissima 2,255– 2,560 meters var. demote True’s manzanita –/–/4.2 Northern Sierra Nevada Foothills: Butte, Chaparral, lower montane coniferous Feb–Jul Arctostaphylos Plumas, Nevada, Placer, and Yuba forest; 425–1,390 meters mewukka ssp. truei counties Nissenan manzanita –/–/1B.2 Sierra Nevada foothills, El Dorado and Closed-cone coniferous forest, chaparral Feb–Mar Arctostaphylos nissenana Tuolumne counties on rocky, dry ridges; 450–1,100 meters Threetip sagebrush –/–/1B.3 Sierra Nevada: Nevada, Placer and Rocky and volcanic soils within openings Aug Artemisia tripartita ssp. Plumas counties in upper montane coniferous forests. tripartita Serpentine milkweed –/–/4.2 North Coast Ranges: Colusa, Glenn, Lake, Serpentine soils in chaparral, May–Jul(Aug) Asclepias solanoana Mendocino, Napa, Shasta, Sonoma, cismontane woodland, lower montane Tehama, Trinity, and Yolo counties coniferous forest; 230–1,860 meters Table Bio-2a Special-status Plants Identified as Having the Potential to Occur in the Proposed MTP/SCS Plan Common and Legal Status a Geographic Distribution/ Blooming Habitat Requirements Scientific Names Federal/State/CRPR Floristic Province Period Austin’s astragalus –/–/1B.3 Sierra Nevada: Alpine, El Dorado, Nevada Rocky soils within alpine bounder, rock Jul-Sep Astragalus austiniae and Placer counties field and subalpine coniferous forest; 2440-2965 meters Brewer’s milk-vetch –/–/4.2 Central and southern North Coast Often serpentine or volcanic soils in Apr–Jun Astragalus breweri Ranges, northern San Francisco Bay: chaparral, cismontane woodland, Colusa, Lake, Mendocino, Marin, Napa, meadows and seeps, valley and foothill Sonoma, and Yolo counties grassland; 90–730 meters Cleveland’s milk-vetch –/–/4.3 Southern inner North Coast Ranges, Serpentine seeps in chaparral, Jun–Sep Astragalus clevelandii eastern inner South Coast Ranges in cismontane woodland, riparian scrub; Colusa, Lake, Napa, San Benito, Sonoma, 200–1,500 meters Tehama, and Yolo counties Depauperate milk- vetch –/–/4.3 Cascade Range foothills, northern In seasonally wet areas on volcanic soils Mar–Jun Astragalus pauperculus Sacramento Valley in Butte, Placer, in chaparral, cismontane woodland, Shasta, Tehama, and Yuba counties valley and foothill grassland in seasonally wet areas or on volcanic soils; 60–1,120 meters Jepson’s milk-vetch –/–/1B.2 Southern Inner North Coast Range: Often on serpentine soils in chaparral, Mar–Jun Astragalus rattanii var. Colusa, Glenn, Lake, Napa, Tehama, and cismontane woodland, valley and foothill jepsonianus Yolo counties grassland; 320–700 meters Ferris’s milk vetch –/–/1B.1 Historical range included the Central Seasonally wet areas in meadows and Apr–May Astragalus tener var. Valley from Butte to Alameda County but seeps, subalkaline flats in valley and ferrisiae currently only occurs in Butte, Glenn, foothill grassland; 2–75 meters Colusa, and Yolo counties Alkalai milk vetch –/–/1B.2 Southern Sacramento Valley, northern Playas, on adobe clay in valley and Mar–Jun Astragalus tener var. San Joaquin Valley, east San Francisco foothill grassland, vernal pools on tener Bay area alkaline soils; below 60 meters Woolly-leaved milk-vetch –/–/4.3 Northern High Sierra Nevada with Alpine boulder and rock field, rocky soils Jul–Aug Astragalus whitneyi var. occurrences in Alpine, Butte, Nevada, in subalpine coniferous forest; 2,135– lenophyllus Placer, Plumas, and Sierra counties 3,050 meters Heartscale –/–/1B.2 Western Central Valley and valleys of Saline or alkaline soils in chenopod Apr–Oct Atriplex cordulata var. adjacent foothills. Believed extirpated in scrub, meadows and seeps, sandy areas cordulata Yolo. in valley and foothill grassland; below 375 meters Brittlescale –/–/1B.2 Western and eastern Central Valley and Alkaline clay soils in chenopod scrub, Apr–Oct Atriplex depressa adjacent foothills on west side of Central playas, valley and foothill grasslands; 1– Valley 320 meters San Joaquin saltscale –/–/1B.2 Western edge of the Central Valley from Alkaline soils in chenopod scrub, Apr–Oct Atriplex joaquiniana Glenn to Tulare counties meadows and seeps, playas, valley and foothill grassland; below 835 meters Big-scale balsamroot –/–/1B.2 Scattered occurrences in the Coast Sometimes on serpentine soils in Mar–Jun Balsamorhiza macrolepis Ranges and Sierra Nevada foothills chaparral, cismontane woodland, valley var. macrolepis and foothill grassland; 90–1,555 meters Tulare rockcress –/–/1B.3 Occurrences in El Dorado, Fresno, Inyo, On rocky slopes in subalpine coniferous Jun-Jul Boechera tularensis Mono, Mariposa, and Tulare counties forest and upper montane coniferous forest; 1,825–3,350 meters Sierra bolandra –/–/4.3 Northern and central High Sierra Nevada Mesic or rocky soils in lower and upper Jun-Jul Bolandra californica in Alpine, Amador, Calaveras, El Dorado, montane coniferous forest; 975–2,450 Mariposa, Stanislaus, and Tuolumne meters counties Table Bio-2a Special-status Plants Identified as Having the Potential to Occur in the Proposed MTP/SCS Plan Common and Legal Status a Geographic Distribution/ Blooming Habitat Requirements Scientific Names Federal/State/CRPR Floristic Province Period Upswept moonwort –/–/2.3 Southern High Cascade Ranges, with Wet areas in lower montane coniferous N/A (fertile Botrychium ascendens scattered occurrences in Butte, El forest; 1,500– 2,285 meters Jul–Aug) Dorado, Mono, Modoc, Plumas, Shasta, Tehama, and Tulare counties; Idaho, Oregon, Nevada, Washington, and elsewhere Scalloped moonwort –/–/2.2 Scattered occurrences in mountains of Bogs and fens, lower montane N/A (fertile Botrychium crenulatum California; Nevada, Oregon, and coniferous forest, meadows and seeps, Jun–Jul) elsewhere freshwater marshes and swamp; 1,268– 3,280 meters Mingan moonwort –/–/2.2 High Cascade Range, southern High Wet areas in lower montane coniferous N/A (fertile Botrychium minganense Sierra Nevada with occurrences in Butte, forest; 1,455– 2,105 meters Jul–Sep) Fresno, Modoc, Nevada?, Placer, Plumas, San Bernardino, Shasta, Tehama, and Tulare counties; Arizona, Idaho, Nevada, Oregon, Utah, Washington, and elsewhere Western goblin –/–/2.1 Southern High Cascade Range; Oregon, Wet areas in lower montane coniferous N/A (fertile Botrychium montanum Washington forest; 1,465– 2,130 meters Jul–Sep) Paradox moonwort –/–/2B.1 El Dorado, Madera, Tuolumne counties in Alpine bounder and rock field (limestone August Botrychium paradoxum California, also in Colorado, Idaho, and marble) and moist areas within Montana, Oregon, Utah, Washington and upper montane coniferous forest. 1,740- Wyoming 4,200 meters Watershield –/–/2.3 Scattered occurrences in northern and Freshwater marshes; 30– 2,200 meters Jun–Sep Brasenia schreberi central California; widespread across US Sierra foothills brodiaea –/–/4.3 Known from Yuba, Nevada
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