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A Checklist of the Vascular Flora of Canyon de Chelly National Monument, Apache County, Author(s): Glenn Rink Source: The Journal of the Torrey Botanical Society, Vol. 132, No. 3 (Jul. - Sep., 2005), pp. 510-532 Published by: Torrey Botanical Society Stable URL: http://www.jstor.org/stable/20063790 Accessed: 25-04-2018 15:46 UTC

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This content downloaded from 134.114.107.52 on Wed, 25 Apr 2018 15:46:14 UTC All use subject to http://about.jstor.org/terms Journal of the Torrey Botanical Society 132(3), 2005, pp. 510-532

A checklist of the vascular flora of Canyon de Chelly National Monument, Apache County, Arizona1 Glenn Rink2 3 Northern Arizona University, Department of Biological Sciences, PO Box 5640, Flagstaff, AZ 86001

Rink, G (Northern Arizona University, Department of Biological Sciences, PO Box 5640, Flagstaff, AZ 86001) J. Torrey Bot. Soc. 132: 510-532. 2005?A total of 243 new records, 60 new generic records, and 11 new family records were documented for Canyon de Chelly National Monument, bringing the known flora of the Monument to 771 species. This work is part of an inventory carried out throughout the National Park Service as part of the Natural Resource Challenge, a legislative and administrative mandate. Four species are on or proposed for the Endangered Species List. Additions to the flora include spe culcola, a Listed Threatened species, and Zigadenus vaginatus, both on the Navajo Endangered Species List. chuskanus, chellyense, caudatus subsp. cutleri, and a white-flowered form of Mer tensla oblonglfolia are endemic to the Monument and surrounding area. Key words: Arizona, biological inventory, Canyon de Chelly, flora, rare

The purpose of this project was to voucher the northeastern Arizona (Fig. 1) was established in flora of Canyon de Chelly National Monument, 1931 to protect significant Anasazi archaeolog adding as many new records as possible. This ical resources. The Monument encompasses 400 work was completed as part of an inventory ef square kilometers (131 square miles) between fort carried out throughout the National Park longitudes 109? 08' and 109? 33' N and latitudes Service (NPS) as part of the Natural Resource 35? 59' and 36? 18' W. Canyon de Chelly and Challenge, a legislative and administrative man its side canyons are incised into the northern date. National Park Service researchers (Stuart portion of the Defiance Plateau at the western et al. 2000) estimated that 60 percent of the edge of the (Barnes 1984) on species in Canyon de Chelly were already the Plateau. Spectacular cliffs result known. Canyon de Chelly is within the San Juan from a resistant cap of Shinarump Conglomerate River drainage, the subject of an ongoing cata (shale, coarse sandstone and conglomerate) over loguing effort (Heil and O'Kane 2003). the more easily eroded De Chelly Sandstone Canyon de Chelly National Monument, part (Pierce 1967, Vandiver 1937). Fine-grained Su of the Navajo Reservation, in Apache County, pai Sandstone, exposed at canyon bottoms in mid-canyon reaches, acts as an aquiclude, block 1 Funding from the National Park Service Inventory ing the downward flow of water, causing springs and Monitoring Project. The Navajo Nation and the and seeps at the surface (Cooley et al. 1969). Navajo Natural Heritage Program made this project Thus, the nature of the geologic layers cause wa possible for me. 2 Address for correspondence: 801 West Birch, Flag ter to become available for agriculture, leading staff, AZ 86001; E-mail: [email protected]. to the canyon's attraction to humans. Volcanic 3 Daniela Roth of the Navajo Natural Heritage Pro basalts and talus cover small areas at the east gram and Anne Cully of the National Park Service end of the Monument. The mouth of the canyon helped with project planning and permits. Canyon de Chelly National Monument staff, especially Ailema lies at 1680 m (5500 ft) above sea level while Benally, Christiansen Blacksheep, Gwen Gallenstein, upper slopes reach 2320 m (7600 ft). Canyon de Wilson Hunter, Scott Travis, Tom Workman, and Wil Chelly, Canyon del Muerto (a northern tribu liam Yazzie helped with permits and logistics. Richard tary), and Monument Canyon (a southern trib Halse supplied his field notes. Many others helped in the field. Tina Ayers, Marc Baker, Robert Dorn, Mir utary) make up the canyon complex. The canyon iam Colson Fritts, H. David Hammond, Ken Heil, Max mouth is a flat sandy wash margined with low Licher, Nancy Morin, Daniela Roth, Andrew Salywon, cliff walls set apart by 0.2 to 1 km. Upstream, Randy Scott, Stanley Welsh, and Michael Windham in much of the canyon system, the slopes and helped determine specimens. Tina Ayers, H. David Hammond, Steve O'Kane, Daniela Roth, Randy Scott cliff walls attain heights of 250-350 meters and an anonymous referee reviewed the manuscript. (800-1200 ft). Four tributaries enter the canyon This project was undertaken to partially fulfill the re complex, draining watersheds of the Chuska quirements of a Master of Science degree at Northern Mountains. Tsaile Creek in Canyon del Muerto Arizona University, Flagstaff. Received for publication May 8, 2005, and in re and Wheatfields, Whiskey, and Crystal Creeks vised form January 31, 2005. in Canyon de Chelly are perennial most years 510

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Fig. 2. The canyon system at Canyon de Chelly National Monument.

yon de Chelly area during the 1700s (Andrews 1985). Canyon de Chelly has been an important home and agricultural area, and played a signif icant role as a Dine refuge from both Spanish and American invaders during the late 1700s through the 1800s (Grant 1978). Hill (1938) and Jett and Spencer (1981) documented ditch agri culture in the mid 1800s, a practice that contin ues in the lower canyons. Fruit orchards date from the early 1700s (Jett 1974, 1977, 1979). In Fig. 1. Canyon de Chelly region. the last few decades, agriculture, grazing, tree planting, erosion control features, motor vehicle travel, and tourism have severely impacted the from where they enter the Monument to mid lower canyons. Upper canyons have been less canyon reaches (Fig. 2). Chinle Wash drains severely affected. Human settlement, logging, both canyons. chaining of woodlands, grazing, fuel wood gath Canyon de Chelly is in USDA Climate Zone ering, and some dry-land farming have disturbed 6 (USDA 2003). Precipitation is quite variable, rim areas. Tsaile Reservoir, built at the head of but averages 246.1mm (9.65 in) per year at the Canyon del Muerto in 1963, submerges a small visitor center near the mouth of the canyon. Up part of the Monument and alters the flow regime per elevations receive more precipitation than of Tsaile Creek (Brugge and Wilson 1976). The the lower canyons. July and August are the wet diversion for Wheatfields Lake alters the flow test months, with thunderstorms and cloudbursts regime of Wheatfields Creek above Canyon de that are highly variable in distribution; one area Chelly. The US Soil Erosion Service, in concert will receive a heavy rain while an adjacent area with the National Park Service, planted thou remains dry (Green and Sellers 1964, Sellers sands of riparian trees, including native willow and Hill 1974). (Salix spp.) and cotton wood (Populus spp.), as The canyons have a long history of human well as exotic saltcedar (Tamarix spp.) and Rus disturbance. Betancourt and Davis (1984) found sian olive (Elaeagnus angustifolia), in the can maize and Cleome pollen in a 3120 BP packrat yon bottoms to alter channel geomorphology to midden near the junction of Canyon del Muerto increase the size of arable areas, to reduce ero and Canyon de Chelly suggesting an early arriv sion at archeological sites and to reduce sedi al of agriculture in the canyons. Canyon de ment contribution to Chinle Wash (Brugge and Chelly is perhaps most well-known for its Pueb Wilson 1976). These plantings began in the lo Period (AD1100-1300) cliff dwellings. Dine 1930s and have severely altered the hydrologie (Navajo people) probably began using the Can and geomorphic regime of the canyon bottoms

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resulting in a rapid transformation of the riparian ically since the 1970's (Rink 2003). Once bare community that continues to this day (Rink of vegetation, these areas are now choked with 2003). Canyon de Chelly National Monument is riparian vegetation including Russian olive, the third most-visited park in the region, after which was introduced in 1964, saltcedar which Grand Canyon National Park and Glen Canyon was introduced in the 1930s (Brugge and Wilson National Recreation Area (Etsitty 1994). Tour 1976), along with willow and plains cottonwood ism severely impacts park administrative areas, (Populus deltoides subsp. wislizenii). Minor which support dense stands of exotic plants such plant communities occupy hanging gardens, ac as Russian knapweed (Acroptilon repens), cheat tive sand dunes, agricultural, and weedy areas. grass (Bromus tectorum), barley (Hordeum mu Hanging gardens may harbor rare or regional en rinum), sweetclover (Melilotus spp.), and Rus demics including Navajo sedge (Carex specui sian thistle (Salsola spp.) Areas surrounding cola), queen thistle (Cirsium chellyense), and White House Ruin, Antelope House Ruin, and deathcamas (Zigadenus vaginatus), but are dom Mummy Cave Ruin, the three most-visited tour inated by maidenhair (Adiantum capillus ist sites, and the roads to these sites are severely veneris), prevalent in the lower canyons, or col trampled and compacted. umbine (Aquilegia micrantha) and monkeyflow Vegetation ranges from desert scrub and er (Mimulus eastwoodiae), prevalent throughout. grassland at lower elevations to ponderosa H. E. Bailey and R. Halse were the most im () forests and dense stands of portant botanical collectors in the Monument sagebrush () at upper ele during the 1900s. H. E. Bailey (Bailey and Bai vations. Pi?on-juniper (?Juniperus ley 1941) collected Canyon de Chelly speci osteosperma) woodland and riparian vegetation mens, now at JEPS, while working on the Veg communities thrive within this range (Halse etation Type Map Survey of U.S. National Parks 1973, Dennis 1975). Douglas-fir (Pseudotsuga in 1936. Halse (1973) spent 60 days in the field menziesii) and aspen (Populus tremuloides) working for the Antelope House Project (Morris stands grow on north-facing slopes within the 1985) and catalogued 474 botanical entities, in canyons at elevations as low as 1830 m (6000 cluding 44 collected by Harlan and Dennis ft). Pi?on-juniper communities are more exten (1976) during their plant geography work at sive than any other community type (Harlan and Canyon de Chelly (ARIZ). Halse collected in all Dennis 1976). Both, the ratio of pi??n to juniper of the main canyons at least once, but spent and overall cover increase with elevation. Sage much of his time in lower Canyon del Muerto, brush occupied 9% of the land above 1900 m close to Antelope House. Later plant collectors (6200 ft) in the 1970s. Upper canyon talus com included N. Hand (ASC and Canyon de Chelly munities include box elder (Acer negundo), Herbarium (CACH), D. Demaree (CACH), D. Gambel oak (Quercus gambelii), mockorange Lindsay and F. Ranzoni (VAS), V.O. Mayes (Philadelphus microphyllus), fendlerbush (Pen (Mayes and Rominger, 1994 (ASC)), D. Roth of diera rupicola), juniper, pi??n pine, and the Navajo Nation Natural Heritage Program Douglas-fir. Lower canyon cliffs and ledges sup (NAVA), and K. Heil (SJNM). port Utah serviceberry (Amelanchier utahensis), scrub oak (Quercus turbinella), Utah juniper, pi Methods. Where appropriate, I followed the ??n pine, mountain mahogany (Cercocarpus in standards for floras as identified by Palmer et al. tricatus), cliffrose (Purshia stansburiana), nar (1995). The area surveyed was within Canyon rowleaf (Yucca angustissima), and banana de Chelly National Monument as shown on US yucca (Y. baccata). -grassland covers low Geological Survey topographic maps, with er canyon rims and slopes with species such as boundaries roughly one-half-mile back from the saltbush (Atriplex spp.), Mormon tea ( rims of the canyons (Brugge and Wilson 1976; viridis), snakeweed ( sarothrae), Fig. 2). I documented botanical entities by both prickly pear and cholla cactus (Opuntia spp.), database searches and by field collecting, spend and rabbitbrush ( spp.). ing 68 days during 2001-2003 (April-Novem Upper canyon bottom vegetation is diverse ber) purposefully searching for rare, exotic, and and includes box elder, birch (Betula occiden new plant records. Another 42 days were spent talis), alder (Alnus spp.), Rocky Mountain juni on other projects in the area with plant collecting per (Juniperus scopulorum), Gambel oak, and as a secondary objective. I gave particular atten red-osier dogwood (Cornus sericea). Lower can tion to riparian areas; steep slopes and cliffs; yon bottom communities have changed dramat sand dunes, shale, limestone, and salty sub

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strates; hanging gardens; disturbed areas; mov de Chelly specimens at each of these herbaria ing and still waters; and areas known to be less were: ARIZ, 497, database 50% complete as of extensively sampled by previous botanists, in March, 2002; ASC, 28, database 10% complete cluding the upper canyons and little-visited side as of March, 2003; CACH, 438, database com canyons. Particular attention was also given to plete; MNA, 22, database 75% complete as of plant families such as the Boraginaceae, Cacta February, 2003; NAVA, 22, database complete; ceae, Chenopodiaceae, , Juncaceae SJNM, 76, database complete; UNM, five, da and and aquatic plants and horticultural tabase 60% complete as of February, 2003. introductions that are often overlooked. WAAC databases include about 2500 plant spec Specimens were determined using Martin and imens related to Canyon de Chelly, including Hutchins (2001), Wooton and Standley (1915), taxa not vouchered elsewhere. Unfortunately Barneby (1989), Cronquist (1994), Cronquist et provenience was not recorded for most of their al. (1972, 1977, 1984, 1997), Flora of North specimens, and many are not from Canyon de America editorial committee (1993-2002), Mc Chelly. Eleven families, 60 genera, 243 species, Dougall (1973), Kearney and Peebles (1969), three subspecies, seven varieties, and three hy Welsh et al. (1993), Weber and Wittman (1996), brids were added from 1335 collections. and Harrington (1954). Specific groups of plants were determined using Hitchcock (1935), Gould Discussion. Precipitation at the Canyon de (1951), Barneby (1964) and Rollins (1993). Cul Chelly Visitor Center was 166.6 mm during tivars were determined using Bailey (1949) and 2001 and 138.9 mm during 2002, as compared Rehder (1987). The reference collection at ASC to an average of 241.6 mm. The year 2002 was was crucial. Experts determined some speci the driest on record. Drought during the survey mens: M. Baker (Southwest Botanical Research, probably reduced the likelihood for some spe Chino Valley, Arizona; Echinocereus, Opuntia), cies to be seen, but it also allowed for the de K. Heil (SJNM; Sclerocactus), M.C. Fritts (Tuc tection of others that may not have been noted son; Carex), R. Dorn, (RM; Salicaceae), S. during wetter times. Cacti often bloom more Welsh, (BRY; Zigadenus), and M. Windham profusely during dry years (D. Pinkava, Arizona (UT; ). T.J. Ayers, H.D. Hammond, and R. State University, pers. comm.) For instance, I Scott (ASC); N. Morin (Flagstaff Arboretum); noticed Opuntia X viridiflora where a knowl and D. Roth (NAVA) aided in other determina edgeable local observer had never seen it bloom tions. before, despite having visited the spot regularly Vouchers are curated at ASC, CACH, NAVA, over the course of 60 years. Had the plant not UNM and SJNM. The ASC database at been in bloom, I am sure I would not have no www.nau.edu/~deaver/database.htm contains ticed it. information related to these collections. New records in families and groups deliber ately sought are as follows: Boraginaceae-3, Results. Plants documented for the Monu Cactaceae-3, Chenopodiaceae-7, Cyperaceae-18, ment now include 93 families, 381 genera, 771 Juncaceae-3, Poaceae-52, aquatics-13, horticul species, eight subspecies, 14 varieties, and five tural introductions-15. Twenty-three new records hybrids; a total of 797 subgeneric taxa. These were found during April and October, months numbers reflect subspecific entities only in cases when botanists don't often collect. Eleven new when another subspecific entity within that spe records occurred on substrates that are rare with cies was already in the checklist. For example, in the Monument, eight in sand dunes, three on Asclepias asperula (Decne.) Woods, consists shales.of I found 14 new records in hanging gar two subspecies, ssp. asperula (Decne.) Woods, dens, 44 in disturbed areas, 68 in little-visited and ssp. capricornu (Woods.) Woods, in Canyon side canyons, and 91 in riparian areas. I found de Chelly, one added to the species count and 90 new records during only 12 days of collecting one in addition to the subspecies count as per in the uppermost canyons, the most productive Heil and O'Kane (2003). One hybrid was also areas for finding new botanical entities. After included in the species count because neither discounting horticultural introductions, seven parent is known for the area. percent of the new records were of exotics, less Database searches at ARIZ, ASC, SJNM, than the percentage (10.4) of exotics now known NAVA, MNA, UNM, WAAC, and CACH forre the Monument. I did not find nearly 100 of vealed 46 new records. Prior to the addition theof 543 previously recorded subgeneric taxa and specimens from this work, numbers of Canyon I saw 107 of the 254 new records only once. To

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demie to the Chuska Mountains and Sonsela Buttes, are now vouchered for the Monument. Cirsium chellyense, the most common thistle in and around Canyon de Chelly, and Lupinus cau datus subsp. cutleri are also endemic to the Monument and surrounding area. Native people probably imported Juglans major for its edible nuts and dye, Nolina microcarpa and *Probos cidea parviflora for weaving materials, and * Opuntia X viridiflora for its attractive flowers (Elmore 1943; Whiting 1939). The floras of the 1930- 1940- 1970- 1979- 2001 two main canyon systems are generally similar, 1939 1969 1978 2000 2004 however 80 botanical entities within the Monu Fig. 3. Subgeneric taxa accumulation, 1930-2004. ment have only been found in Canyon de Chelly Subgeneric taxa accumulation was derived by noting and its tributaries. Another 60 have only been the period of the first known collection (as indicated found in the Canyon del Muerto system. More by collector, shown in the checklist preamble) of each subgeneric taxon. collecting will yield broader ranges within the Monument, but many botanical entities seem to be restricted to one canyon or the other. me, this suggests that many botanical entities neomexicana, at Aralia racemosa, Ratibida col Canyon de Chelly are widely scattered or umnifera, un wootonii, Astragalus chus common (in either time or space). Only 125kanus, of Menodora scabra, Parnassia palustris the 771 species in the checklist are trees var. or parviflora, Besseya arizonica, Penstemon which are easily detectable and identifi virgatus, Echeandia flavescens, and Sorghas able all year long. The remaining 646 are trum her nutans are apparently limited to the Can baceous perennials and annuals that for much yon of de Chelly system. Picea pungens, Chamae their life cycle are undetectable root crowns chaenactis or scaposa, Ranunculus longirostris, R. seeds. Low detectability presents difficulties macounii, for Carex specuicola, Allium bisceptrum inventory work in the desert southwest where var. palmeri, A. gooddingii, and Torreyochloa annuals and herbaceous perennials dominate pallida flo are apparently limited to the Canyon del ras. Figure 3 shows the accumulation of Muertosubge system. neric taxa from 1930 through 2003. Subgeneric taxa accumulation was derived by noting the pe Literature Cited riod of the first known collection (as indicated Andrews, T. J. 1985. Descent, land use and inheri by collector, shown in the checklist preamble) tance: of Navajo land tenure patterns in Canyon de each subgeneric taxon. Halse 's (1973), my own, Chelly and Canyon del Muerto. PhD dissertation, and H.E. Bailey's collections have made theUniversity of Arizona, Tucson, AZ. most significant contributions to the checklist. Bailey, L. H. 1949. Manual of Cultivated Plants, Mac Millan Company, New York, NY. Four plants on the Navajo Endangered Bailey, Spe H. and V. Bailey. 1941. Forests and Trees of cies List (NESL 2001) have been found at the the Western National Parks, Government Printing Monument (NNHP 2005 new records denoted Office, , DC. with an asterisk): *Carex specuicola (ESA Barneby, List R. C. 1964. Atlas of North American As ed Threatened (Federal Register Vol. 50, No 89, tragalus. Memoirs of the New York Botanical Gar den 13, Bronx, NY. 1188p. 19370-19374), NESL G3, threatened) and Barneby, *Z/ R. C. 1989. , pp. 1-279. In A. Cron gadenus vaginatus (NESL proposed G4, candi quist, A. H. Holmgren, N. H. Holmgren, J. L. Re date (2005)) were found only in hanging gar veal., and P. K. Holmgren [eds.]. Intermountain dens. Allium gooddingii (NESL G3, threatened) Flora, Vascular Plants of the Intermountain West, U.S.A, Vol. 3B. New York Botanical Garden, and Cystopterus utahensis (NESL G4 candidate) Bronx, NY. have been found only in riparian areas. Allium Barnes, C. W 1984. Landscapes of northeastern Ari gooddingii has not been found since 1973, andzona, pp.304-325. In T. Smiley, J. Nations, T. is currently considered extirpated at Canyon Pewe,de and J. Schafer [eds.]. Landscapes of Arizona. Chelly (D. Roth, Navajo Natural Heritage Pro University Press of America, New York, NY. Betancourt, J. L. and O. K. Davis. 1984. Packrat gram, 2005, pers. comm.) middens from Canyon de Chelly, northeastern Ar ^Astragalus chuskanus and a white-flowered izona: paleoecological and archaeological implica population of *Mertensia oblongifolia, both tions.en Quat. Res. 21: 56-64.

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Brugge, D. M., and R. Wilson. 1976. Administrative ods of the Navaho Indians. Yale University Press, History of Canyon de Chelly National Monument, New Haven, CT. Arizona, NPS-577, U.S. Dept. of the Interior, Gov Hitchcock, A. S. 1935. Manual of the Grasses of the ernment Printing Office, Washington, DC. , U.S. Government Printing Office, Cooley, M. E., J. W Harshbarger, J. P. Akers, and Washington, DC. W. F. Hardt. 1969. Regional hydrogeology of the ITIS. Retrieved 2003, from the Integrated Taxonomic In Navajo and Indian Reservations, Arizona, formation System (ITIS) (http://www.itis.usda.gov). New , and Utah. U.S. Geological Survey Jett, S. C. [ed.] 1974. The destruction of Navajo or Professional Paper 521-A, U.S. Government Print chards in 1864, Captain John Thompson's report. ing Office, Washington, DC. Arizona and the West 6: 365-377. Cronquist, A. 1994. , pp. 1-496. In A. Cron Jett, S. C. 1977. History of fruit tree raising among quist, A. H. Holmgren, N. H. Holmgren, J. L. Re the Navajo. Agricultural History 51: 17-25. veal., and P. K. Holmgren [eds.]. Intermountain Jett, S. C. 1979. Peach cultivation and use among the Flora, Vascular Plants of the Intermountain West, Canyon de Chelly Navajo. Economic Botany 33: U.S.A, Vol. 5, New York Botanical Garden, Bronx, 298-310. NY. Jett, S. C. and V. E. Spencer. 1981. Navajo Archi Cronquist, A., N. H. Holmgren and P. K. Holmgren. tecture. University of Arizona Press, Tucson, AZ. 1997. Intermountain Flora, Vascular Plants of the Kearney, T. H. and R. H. Peebles. 1969. Arizona Flo Intermountain West, U.S.A, Vol. 3A, New York ra. University of Press, Berkeley and Los Botanical Garden, Bronx, NY. Angeles, CA. Cronquist, A., A. H. Holmgren, N. H. Holmgren, Martin, W C. and C. R. Hutchins. 2001. Flora of and J. L. Reveal. 1972. Intermountain Flora, Vas . Koeltz Scientific Books, Koenigstein, cular Plants of the Intermountain West, U.S.A, Vol. Germany. 1. Hafner Publishing Co., New York, NY. Mayes, V. O. and J. M. Rominger. 1994. Navajoland Cronquist, A., A. H. Holmgren, N. H. Holmgren, J. Plant Catalog. National Woodlands Publishing L. Reveal., and P. K. Holmgren. 1977. Inter Company, Lake Ann, MI. mountain Flora, Vascular Plants of the Intermoun McDougall, W. B. 1973. Seed Plants of Northern Ar tain West, U.S.A, Vol. 6, Columbia University izona. Museum of Northern Arizona, Flagstaff, AZ. Press, New York, NY. Morris, D. P. 1986. Archeological investigations at Cronquist, A., A. H. Holmgren, N. H. Holmgren, J. Antelope House. National Park Service, Washing L. Reveal., and P. K. Holmgren. 1984. Inter ton, DC. NESL. Navajo Endangered Species List. 2001. Na mountain Flora, Vascular Plants of the Intermoun tain West, U.S.A, Vol. 4, New York Botanical Gar vajo Nation Division of Natural Resources, De den, Bronx, NY. partment of Fish and Wildlife. Resources Commit tee Resolution No. RCMA31 01. Dennis, A. E. 1975. The natural vegetation of Canyon Palmer, M. W, G L. Wade and P. Neal. 1995. Stan de Chelly National Monument. The Kiva 41: 15 22. dards for the writing of floras. BioScience 45: 339 345. Elmore, F. H. 1943. Ethnobotany of the Navajo. Uni Pierce, H. W 1967. Permian stratigraphy of the De versity of New Mexico Press, Albuquerque, NM. fiance Plateau, Arizona, pp.57-62. In F. Trauger Etsitty, D. 1994. Navajo Nation FAX 93, a Statistical [ed.], Guidebook of Defiance-Zuni-Mt. Taylor Re Abstract of the Navajo Nation. Navajo Nation Di gion, Arizona and New Mexico. New Mexico Geo vision of Economic Development, Support Servic logical Society Eighteenth Field Conference-Octo es Department, Window Rock, AZ. ber 19, 20 and 21, 1967. Flora of Editorial Committee [eds.] Rehder, A. 1987. Manual of Cultivated Trees and Flora of North America. 1993-2002. Volumes 1, 2, Shrubs. Dioscorides Press, Portland, OR. 3, 22, 23, 26. Oxford University Press, New York, NY. Rink, G. R. 2003. Vascular flora of Canyon de Chelly National Monument, Apache County, Arizona. MS Gould, F. W 1951. Grasses of the Southwestern Unit thesis. Northern Arizona University, Flagstaff, AZ. ed States. University of Arizona Press, Tucson, AZ. Rollins, R. C. 1993. The Cruciferae of Continental Grant, C. 1978. Canyon de Chelly, its People and North America. Stanford University Press, Stan Rock Art. University of Arizona Press, Tucson, AZ. ford, CA. Green, C. R. and W D. Sellers [eds.] 1964. Arizona Sellers, W D. and R. H. Hill [eds.] 1974. Arizona Climate. University of Arizona Press, Tucson, AZ. Climate, 1931-1972. University of Arizona Press, Halse, R. R. 1973. The flora of Canyon de Chelly Tucson, AZ. National Monument. MS thesis, University of Ar Stuart, M. [ed.] 2000. Biological inventory of nation izona, Tucson, AZ. al park areas on the southern . Un Harlan, A. and A. Dennis. 1976. A preliminary plant published report. Colorado Plateau Cooperative geography of Canyon de Chelly National Monu Ecosystem Studies Unit and USGS/Colorado Pla ment, J. Arizona Acad. Sei. 11: 69-78. teau Field Station, Flagstaff, AZ. Harrington, H. D. 1954. Manual of the Plants of Col USDA. 2003. USDA Climate Zones; retrieved online orado. Sage Books, Denver, CO. at http://www.permed.com/Climate_Zones.htm. Heil, K. D. and S. L. O'kane. 2003. Catalog of the Vandiver, V. W 1937. Southwestern monuments spe Four Corners flora: Vascular plants of the San Juan cial report No. 20: Geologic report Canyon de River Drainage, Arizona, Colorado, New Mexico, Chelly National Monument, supplement for July and Utah. Harvard Papers in Botany 7: 321-379. 1937. National Park Service. Hill, W W. 1938. The agricultural and hunting meth Weber, W A. and R. C. Wittman. 1996. Colorado

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flora, western slope. University Press of Colorado, seum of Northern Arizona Bulletin No. 15, Flag Boulder, CO. staff, AZ. Welsh, S. L., N. D. Atwood, S. Goodrich, and L. C. Wooton, E. O. and P. C. Standley. 1915. Flora of Higgins [eds.] 1993. Utah Flora. Print Services, New Mexico. Contributions from the U.S. National Brigham Young Univ., Provo, UT. Herbarium 19, Government Printing Office, Wash Whiting, A. F. 1939. Ethnobotany of the Hopi. Mu ington, DC.

Annotated Checklist of Vascular Plants of Canyon de Chelly National Monument

I arranged this checklist alphabetically by family within the following orders: Pteridophyta, Pinophyta, Mag noliopsida, and Liliopsida. Both scientific names and common names follow Integrated Taxonomic Information System (ITIS 2003). Annotational abbreviations as follows: native (N) vs exotic (E) (follows ITIS), I chose (from ITIS) the single common name that seemed most appropriate, horticultural introduction (H) (pers. obs.); Abundance follows Palmer, et al. (1995) as follows: 5, Abundant, dominant or codominant in one or more common habitats; 4, Frequent, easily seen or found in one or more common habitats but not dominant in any common habitat; 3, Occasional, widely scattered but not difficult to find; 2, Infrequent, difficult to find with few individuals or colonies but found in several locations; 1, Rare, very difficult to find and limited to one or very few locations or uncommon habitats; 0, Absent, not found but found in a previous survey from the same or similar sites or was otherwise suspected to occur. Distribution; cyn=canyon, CdM=Cyn del Muerto, CdC=Cyn de Chelly, hg=hanging garden, h rep= Halse reported, jct= confluence of CdC & CdM, MC=Monument Cyn, T=Thunderbird Lodge, VC= NPS visitor center, WH=White House Ruin. Specimen citations include a code (as follows) for the collector, and their collection number, where available. Citations (Collectors (herbarium where most of their specimens are located, their period of activity)); B=Bailey (JEPS, 1935), Ba= Barr (ARIZ, 1960-1971), Bu=Burgess (ARIZ, CACH, early 1970s), C=Cronyn (CACH, Western Museum Laboratories (WML), late 1930s-1940), Cu=Cutler Goodman, & Payson (CACH, WML, late 1930s), D=Dennis (ARIZ, CACH, early 1970s), De=Demaree (CACH, 1950s-1960), F=Farmer (University of New Mexico (UNM), 1935), h=Halse (ARIZ, ASC, CACH, early 1970s), Ha=Hand (ASC, CACH, 1969), H=Heggie (UNM, 1930s), //=Heil (SJNM, late 1990s to 2000s), H=Hevly (ASC, 1970s), He=Hevron (NAVA, 1990s), K=King (ARIZ, 1938), L=Lindsay (VAS, 1960s), M=Mason (ARIZ, 1950s-1970s), m=Mayes (ASC, NAVA, 1970s), R=Ranzoni (VAS, 1960s), r=Rink (ASC, early 2000s), R=Roth (NAVA, ASC, 1990s to 2000s), V=Van De vender (ARIZ, 1999), W=Western Area Archeological Center, Tucson (WAAC specimen labels often don't include collector name, but were collected in the early 1970s related to the Antelope House Project.) Where no collection number is given, that collection number is unknown. Exhaustive citations are given in Rink (2003).

Aspleniaceae Equisetaceae

Asplenium resiliens Kunze. BLACKSTEM SPLEEN Equisetum arvense L. WESTERN HORSETAIL, N, 3, WORT, N, 2, rock crannies, lower canyons, hi 1 upper cyns & rims, h 192 Equisetum hyemale L. HORSETAIL, N, 1, Black Rock Cyn, hl93 Dryopteridaceae Equisetum laevigatum A. Braun. HORSETAIL, N, 0, h rep as common through-out, B356 Cystopteris fragilis (L.) Bernh. BRITTLE BLADDER Equisetum variegatum Schleich, ex F. Weber & FERN, N, 0, cracks in walls of upper CdM, h329 D.M.H. Mohr. VARIEGATED HORSETAIL, N, Cystopteris reevesiana Lellinger. REEVE'S BLAD 1, dry sandy areas, rll27 DERFERN, N, 1, cliffs above pool in upper MC, r505 Pteridaceae Cystopteris tennesseensis Shaver. TENNESSEE BLADDERFERN, N, 0, Tse Taa Ruins, upper Adiantum capillus-veneris L. MAIDENHAIR FERN, CdM, h N, 3, seeps in lower cyns, h411 Cystopteris tenuis (Michx.) Desv. BRITTLE BLAD Cheilanthes feel T. Moore. SLENDER LIPFERN, N, DERFERN, N, 1, rim of Elephant Grass Spring 3, dry cliffs, B225 Cyn, rl422 Cystopteris tenuis (Michx.) Desv. X utahensis Win Selaginellaceae dham & Haufler. BLADDERFERN, N, 1, near top Selaginella mutica D.C. Eat. ex Underwood. BLUN of Wild Cherry Cyn near pool, rl026 TLEAF SPIKEMOSS, N, 3, dry cliffs & slopes, H Cystopteris utahensis Windham & Haufler. UTAH BLADDERFERN, N, 2, cliffs above pools in up per canyons, R Cupressaceae Dryopteris filix-mas (L.) Schott. MALE FERN, N, 2, Juniperus osteosperma (Torr.) Little. UTAH JUNIPER, cracks in cliffs, lower canyons, h284 N, 5, through-out, B237 Woodsia neomexicana Windham. NEW MEXICO Juniperus monosperma (Engelm.) Sarg. ONE-SEED CLIFF FERN, N, 2, uppermost tributaries to CdC, JUNIPER, N, 2, perhaps common through-out, r595 m(ASC)

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Juniperus scopulorum Sarg. ROCKY MOUNTAIN ROCKY MOUNTAIN HEMLOCK PARSLEY, JUMPER, N, 4, upper cyns, h787 N, 0, h rep. as common in upper CdM, h675 Juniperus scopulorum var. viridiflora D. Hill.(Rehder, acaulls var. fendleri (Gray) Goodrich. 1987) WESTERN RED CEDAR, H, 1, T, rl563 FENDLER'S SPRING PARSLEY, N, 3, lower Platycladus orientale (L.) Franco. ORIENTAL AR cyns and rims, C BORVITAE, H, 1, T, rl559 Cymopterus bulbosus A. Neis. BULBOUS SPRING PARSLEY, N, 2, rim of MC and near T, rl95 Ephedraceae Cymopterus purpurascens (Gray) M.E. Jones. UTAH SPRING PARSLEY, N, 1, upper cyns & rims Ephedra cutleri Peebles. CUTLER'S EPHEDRA, N, 6000', C 3, probably common at sandy sites, B Cymopterus purpureus S. Wats. PURPLE SPRING Ephedra torreyana Wats. TORREY EPHEDRA, N, 0, PARSLEY, N, 2, upper rims >7000', r364 perhaps common, undercollected, B234 Ligusticum porteri Coult. & Rose. PORTER'S LI Ephedra viridis Coville. MORMON TEA, N, 4, lower GUSTICUM N, 1, upper cyns, h rep as common, cyns & rims, B247 h270 Lomatium nevadense var. nevadense (Wats.) Coult. & Pinaceae Rose. BISCUITROOT, N, 2, upper CdM & CdC, rl53 Picea engelmannii Parry ex Engelm. ENGELMANN Lomatium nevadense var. parishii (Coult. & Rose) Jep SPRUCE, H, 1, T-bird Lodge, rl955 son. PARISH BISCUITROOT, N, 0, upper rims, C Picea pungens Engelm. BLUE SPRUCE, N, 1, upper Oxypolis fendleri (Gray) Heller. FENDLER'S COW CdM, h755 BANE, N, 0, upper CdM, h465 Pinus edulis Engelm. PINYON PINE, N, 5, through Pseudocymopterus montanus (Gray) Coult. & Rose. out, B236 FALSE SPRING PARSLEY, N, 2, upper slopes Pinus ponderosa P. & C. Lawson. PONDEROSA and cyns, H PINE, N, 5, middle cyns & upper cyns & rims, h349 Apocynaceae Pseudotsuga menzlesil (Mirbel) Franco. , N, 5, upper & middle cyns, B235 Apocynum cannabinum L. DOGBANE, N, 2, upper cyns, h674 Aceraceae Araliaceae Acer glabrum Torr. ROCKY MOUNTAIN MAPLE, N, Aralia racemosa L. AMERICAN SPIKENARD, N, 2, 3, upper cyns, r496 upper CdC & Black Rock Cyn., r882 Acer negundo L. BOX ELDER, N, 5, through-out, hlO

Amaranthaceae Asclepiadaceae Asclepias asperula subsp. asperula (Decne.) WOOD Amaranthus albus L. PIGWEED, N, 2, disturbed sites, SON ANTELOPE HORNS, N, 2, lower cyns & h749 rims, B305 Amaranthus blitoides S. Wats. PROSTATE PIG Asclepias asperula subsp. capricornu (Decne.) Wood WEED, E, 3, disturbed sites through-out, hi 14 son. ANTELOPE HORNS, N, 0, lower cyns & Amaranthus hybridus L. SMOOTH AMARANTH, N, rims, R 0, h rep as common on cyn floor, h690 Asclepias engelmannii Woodson. ENGELMANN'S Amaranthus palmeri S. Wats. PALMER AMA MILKWEED, N, 0, Baby Trail, lower CdM, h424 RANTH, N,? , probably common, upper CdM, Asclepias involucrata Engelm. DWARF MILKWEED, rlOOl N, 1, rims >7000', D Amaranthus powellll S. Wats. POWELL AMA Asclepias subverticillata (Gray) Vail. WHORLED RANTH, N, 0, Wheatfields Canyon, h539 MILKWEED, N, 3, through-out, De Amaranthus retroflexus L. REDROOT AMARANTH, Asclepias tuberosa L. BUTTERFLY WEED, N, 2, up E, 2, dist. sites, upper cyns & rims, r885 per CdM & upper MC, h280

Anacardiaceae

Rhus trilobata Nutt. SKUNK BUSH, N, 3, through Achillea millefolium var. occidentals DC. YARROW, out, h22 N, 4, >6000', h Toxicodendron rydbergii (Small) Greene. POISON Acroptilon repens (L.) DC. RUSSIAN KNAPWEED, IVY, N, 3, through-out cyns, B361 E, 5, disturbed sites through-out, H Ageratina herb?cea (Gray) King & H.E. Robins. FRA GRANT SNAKEROOT, N, 2, upper cyn slopes, h706 Atetes macdougalii Coult. & Rose. MACDOUGAL'S Agoseris glauca (Pursh) Raf. PALE DANDELION, N, ALETES, N, 3, <6500', hg and ledges, h46 1, rims >7200', r542 Cicuta douglasii (DC.) Coult. & Rose. WATER HEM Almutaster pauciflorus (Nutt.) A.& D. L?ve. ALKALI LOCK, N, 0, h rep. as common in upper CdM, MARSH , N, 3, riparian, rl055 h465a Ambrosia acanthicarpa Hook. BURSAGE, N, 3, dis Conioselinum scopulorum (Gray) Coult. and Rose. turbed sites through-out, h726

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Ambrosia artemisiifolia L. RAGWEED, N, 1, CdC, RABBITBRUSH, N, 3, through-out, probably in rl023 cludes C. var. stenophyllus, h marginata Greene. WHITE MARGIN Chrysothamnus viscidiflorus var. stenophyllus (Gray) PUSSYTOES, N, 2, rocky slopes through-out, Hall. YELLOW RABBITBRUSH, N, 0, S rim hl22 CdC, included in above taxon by Cronquist et al Antennaria parvifolia Nutt. LITTLE PUSSY (1994), L16 TOES, N, 2, slopes >6000', h930 Cirsium calcareum (M.E. Jones) Woot. & Standl. Antennaria rosulata Rydb. KAIBAB PUSSYTOES, N, CAINVILLE THISTLE, N, 2, hg W of Refuge 3, sage flats >7000\ h359 Rock, H Arnica chamissonis var. andina (Nutt.) Ediger Cirsium & chellyense Moore & Frankton. QUEEN THIS Barkl. CHAMISSO ARNICA, N, 1, upper CdM, TLE, N, 3, hg through-out, prev. det. as C. cal h477 careum, C. chuskaense, endemic to Canyon de Artemisia arbuscula Nutt. LOW SAGEBRUSH, N, 4, Chelley area, h rims >7000', rl491 Cirsium rothrockii (Gray) Petrak. ROTHROCK'S Artemisia biennis Willd. BIENNIAL WORMWOOD, THISTLE, N, 1, above Mummy Cave, W E, 1, shore of Whiskey Reservoir, RIO Cirsium undulatum var. tracyi (Rydb.) Welsh. TRA Artemisia bigelovii Gray. BIGELOW SAGE, N, 4, CY'S THISTLE, N, 1, Whiskey Reservoir area, through-out, RIO rl439 Artemisia campestris var. scouleriana (Hook.) Cronq. Cirsium vulg?re (Savi) Ten. BULL THISTLE, E, 2, FIELD SAGEWORT, N, 0, upper MC, h639 through-out, h667 Artemisia carruthii Wood ex Carruth. CARRUTH'S Cirsium wheeleri (Gray) Petrak. WHEELER THIS SAGEWORT, N, 2, upper cyns & rims >7000', TLE, N, 1, Wheatfields Cyn area, r870 r820 Conyza canadensis (L.) Cronq. CANADA HORSE Artemisia dracunculus L. FALSE TARRAGON, N, 1, WEED, N, 2, riparian through-out, h548 base of Many Skulls Tr, r781 Cr?pis occidentalis Nutt. WESTERN HAWKS Artemisia filifolia Torr. SAND SAGEBRUSH, N, 1, BEARD, N, 2, rims >7100', h324 dunes at mouth of Cottonwood Cyn, rl362 canescens Gray. DESERT TWINBUGS, N, 0, Artemisia fr?gida Willd. FRINGED SAGEBRUSH, N, lower CdC, M213 3, through-out, D subsp. brandegei (Gray) Kartesz, Artemisia ludoviciana subsp. ludoviciana Nutt. comb. nov. ined. DESERT TWINBUGS, N, 3, WHITE SAGEBRUSH, N, 0, lower cyns, H near Jet., h810 Artemisia ludoviciana subsp. mexicana (Willd. ex Dyssodia papposa (Vent.) A.S. Hitchc. FETID MARI Spreng.) Keck. MEXICAN SAGEWORT, N, 4, GOLD, N, 1, through-out, rl539 through-out cyns, B226 nauseosa (Pallas ex Pursh) Nesom & Artemisia tridentata Nutt. BIG SAGE, N, 5, >6000', Baird. GOLDENBUSH, N, 4, through-out, B B256 Ericameria nauseosa var. bigelovii (Gray) Nesom & wrightii Gray. WRIGHT BACCHARIS, Baird. N, RUBBER RABBITBRUSH, N, 4, lower 1, nr VC, rl951 rims, B246 Bahia dissecta (Gray) Britt. RAGLEAF BAH?A, Ericameria N, 2, nauseosa var. glabrata (Gray) Nesom & >7000, W Baird. RUBBER RABBITBRUSH, N, 4, lower Bidens cernua L. BUR MARIGOLD, N, 1, Tsaile rims and cyn, L14 Lake, r792 Ericameria nauseosa var. hololeuca (Gray) Nesom & brachyphylla (Gray) Gray. BRACH Baird. RUBBER RABBITBRUSH, N, 0, Battle BRICKELLBUSH, N, 4, slopes through-out, h613 Cove Ruins, h721 Brickellia californica (Torr. & Gray) Gray. CALIFOR Ericameria nauseosa var. oreophila (A. Neis.) Nesom NIA BRICKELLBUSH, N, 3, slopes through-out, W & Baird. RUBBER RABBITBRUSH, N, 4, lower Brickellia grandiflora (Hook.) Nutt. MOUNTAIN rims, r975 BRICKELLBUSH, N, 3, slopes through-out, h604 Ericameria parryi var. howardii (Parry ex Gray) Ne Brickellia microphylla var. scabra Gray. ROUGH som & Baird. PARRY'S RABBITBRUSH, N, 2, BRICKELLBUSH, N, 4, <6500', B243 lower slopes, h Brickellia oblongifolia Nutt. NARROWLEAF aphanactis (A. Gray) Greene. BEACH DAI BRICKELLBUSH, N, 0, SW of the VC, R139 SY, N, 0, Battle Cove Ruin, h909 Carduus nutans L. MUSK THISTLE, E, 2, next to Erigeron colomexicanus A. Nelson. RUNNING DAI roads and riparian areas through-out, R475 SY, N, 4, through-out, h Chaenactis stevioides Hook. & Arn. STEVE'S PIN Erigeron concinnus var. concinnus (Hook. & Arn.) CUSHION, N, 2, lower rims, D Torr. & Gray. NAVAJO DAISY, N, 3, through Chaetopappa ericioides (Torr.) Nesom. SMALL out, B209 FLOWER ASTER, N, 4, through-out, B214 Erigeron divergens Torr.& Gray. SPREADING DAI Chamaechaenactis scaposa (Eastw.) Rybd. FULLS SY, N, 4, through-out, r246 TEM, N, 1, CdM rim, Mummy Overlook-Middle Erigeron flagellaris Gray. TRAILING DAISY, N, 4, Tr., D through-out, B203 Chrysothamnus depressus Nutt. DWARF RABBIT Erigeron formosissimus var. formosissimus Greene. BRUSH, N, 4, sage flats >6800\ R BEAUTIFUL FLEABANE, N, 1, upper MC, ri Chrysothamnus greenei (Gray) Greene. GREENE'S parian, r957 RABBITBRUSH, N, 4, through-out, B101 Erigeron lonchophyllus Hook. SPEARLEAF DAISY, Chrysothamnus viscidiflorus (Hook.) Nutt. YELLOW N, 1, upper CdM, r805

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Erigeron pumilus Nutt. LOW DAISY, N, 2, mid cyns, Machaeranthera parviflora Gray. SMALL FLOWER r389 TANSY ASTER, N, 1?, lower cyn, H Erigeron speciosus var. macranthus (Nutt.) Cronq. AS Malacothrix sonchoides (Nutt.) Torr. & Gray. SOW PEN DAISY, N, 3, upper cyns, riparian, h473 THISTLE DESERT DANDELION, N, 2, lower Erigeron speciosus var. speciosus (Lindl.) DC. ASPEN cyns & rims, h869 DAISY, N, 3, upper cyns, riparian, r725 nutans (Hook.) Schultz-Bip. NODDING Eurybia radullna (Gray) Nesom. ROUGHLEAF AS MICROSERIS, N, 1, disturbed areas, rl958 TER, H, 1, T, rl404 hartiana (Heller) WA. Weber & A. L?ve. pinnatifida Torr. BLANKETFLOWER, N, HART'S RAGWORT, N, 2, hg, upper cyns, h201 3, lower cyns & rims, h 188 Packera multilobata (Torr.& Gray ex Gray) WA. We Gnaphallum exilifolium A. Neis. SLENDER CUD ber & A. L?ve. LOBELEAF GROUNDSEL, N, WEED, N, 0, Tsaile Lake spillway, W 4, lower elevs, B216 Gnaphalium palustre Nutt. CUDWEED, N, 1, riparian Packera neomexicana var. neomexicana (Gray) WA. through-out, r873 Weber & A. L?ve NEW MEXICO GROUND Grindelia nuda var. aphanactis (Rydb.) Nesom. RAY SEL, N, 4, upper elevs, h299 LESS GUMWEED, N, 3, through-out, B350 caudata Gray. MOUNTAIN LEAFTAIL, N, Grindelia squarrosa var. serrulata (Rydb.) CURLY 1, upper CdM, h816 CUP GUMWEED, N, 0, near Antelope House Petradoria pumila subsp. gram?nea (Woot. & Standl.) Ruin, h654 L.C. Anders. GIANT ROCKGOLDENROD, N, 3, Gutierrezia microcephala (DC.) Gray. THREAD through-out, esp. lower cyn rims, R144 LEAF SNAKEWEED, N, 0, Spider Rock Over Pseudognaphalium canescens subsp. canescens (DC.) look, R480 WA.Weber. WRIGHT'S CUDWEED, N, 1, north Gutierrezia sarothrae (Pursh) Britt. & Rusby. slope, upper CdM, rl476 BROOM SNAKEWEED, N, 5, through-out, De Pseudognaphalium stramineum (Kunth) WA. Weber. Helianthella microcephala (Gray) Gray. PURPLE ANNUAL CUDWEED, N, 1, upper CdM, h666 DISK HELIANTHELLA, N, 4, through-out, h716 Ratibida columnifera (Nutt.) Woot. & Standl. PRAI Hellanthus annuus L. ANNUAL SUNFLOWER, N, 2, RIE CONEFLOWER, N, 1, upper MC, h626 disturbed sites through-out, h550 Rudbeckia laciniata L. CUTLEAF CONEFLOWER, Hellanthus petiolaris Nutt. PRAIRIE SUNFLOWER, N, 3, upper cyns, riparian, Bu777 N, 2, disturbed sites through-out, h569 abertii Gray. ABERT CREEPING ZINNIA, Heliomeris multiflora Nutt. SHOWY GOLDENEYE, N, 1, upper cyns & rims, r930 N, 2, >6500\ r730 Schkuhria multiflora Hook. & Am. MANYFLOWER Heterotheca villosa (Pursh) Shinners. HAIRY GOL FALSE THREADLEAF, N, 1, upper cyns & rims, W DENASTER, N, 5, through-out, B310 Senecio flaccidus var. douglasii (DC.) B.L. Turner & T.M. Barkl. DOUGLAS GROUNDSEL, N, 0,? , B Hymenopappus filifolius var. lugens Hook. YELLOW Senecio flaccidus var. flaccidus Less. THREADLEAF CUTLEAF, N, 5, through-out, h204 GROUNDSEL, N, 4, lower cyns & rims, B340 Hymenopappus mexlcanus Gray. Mexican WOOL Senecio spartioides var. multicapitatus (Greenm. ex LYWHITE, N, 1, upper MC, r958 Rydb.) Welsh. BROOMLIKE RAGWORT, N, 0, richardsonii var. floribunda (Gray) Parker. h rep as scattered through-out cyns, h480 COLORADO RUBBERWEED, N, 5, through out, De Senecio spartioides var. spartioides Torr. & Gray. BROOMLIKE RAGWORT, N, 2, upper CdC & Isocoma rusbyi E. Greene. RUSBY GOLDENBUSH, rims, r832 N, 3, lower rims, R473 Senecio wootonii Greene. WOOTON'S RAGWORT, Iva xanthifolia Nutt. HORSEWEED, N, 0, near An N, 2, upper MC, r489 telope House Ruin, h725 Solldago simplex var. spathulata (DC.) Cronq. MT. Lactuca serriola L. WILD LETTUCE, E, 2, through ALBERT GOLDENROD, N, 1, upper MC rim, out, h559 r952 Lactuca tatarica var. pulchella (Pursh) Breitung. Solldago velutina DC. SPARSE GOLDENROD, N, 3, BLUE LETTUCE, N, 0, upper CdC, h514 through-out, h394 arizonica S. Tomb. ARIZONA SKELE Sonchus asper (L.) Hill. PRICKLY SOWTHISTLE, E, TONPLANT, N, 1, dunes 2km. S of VC, r487 0, lower cyns, B Lygodesmia grandiflora (Nutt.) T. & G LARGE FLOW armerioides Nutt. THRIFT MOCK GOL ER SKELETONPLANT, N, 0, lower rims, D DENWEED, N, 3, lower rims, B348 Lygodesmia j?ncea (Pursh) D. Don ex Hook. RUSH exigua Nutt. SMALL WIRELETTU SKELETONPLANT, N, 1, Draper Trail, CdM, CE, N, 1, WHRuin, Ha rl506 Stephanomeria minor var. minor (Hook.) Nutt. NAR Machaeranthera canescens (Pursh) Gray. PURPLE ROWLEAF WIRELETTUCE, N, 3, slopes ASTER, N, 4?, through-out, r863 through-out, h370 Machaeranthera canescens var. ambigua B. L. Turner. Stephanomeria pauciflora (Torr.) A. Neis. BROWN HOARY TANSY ASTER, N, 3?, Tsaile Lake, PLUME WIRELETTUCE, N, 2, upper rims, r806 rl064 Machaeranthera canescens var. aristata (Eastw.) B.L. ascendens (Lindl.) Nesom. WEST Turner. HOARY TANSY ASTER, N, 3?, turnout?, ERN ASTER, N, 1, upper CdM, r737 Lll Symphyotrichum falcatum var. crassulum (Rydb.) Ne Machaeranthera grindelioides (Nutt.) Shinners. som. WHITE RAY PRAIRIE ASTER, N, 0, upper MC, LESS ASTER, N, 3, lower cyns & slopes, h628 r366

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Symphyotrichum falcatum var. falcatum (Lindl.) Ne Cryptantha cin?rea var. cin?rea (Greene) Cronq. som. WHITE PRAIRIE ASTER, N, 3, through BOWNUT CRYPTANTHA, N, 3, rky slopes & out, H rip, upper cyns, H Symphyotrichum laeve var. laeve (L.) A. & D. L?ve. Cryptantha cin?rea var. jamesii Cronq. JAMES CAT SMOOTH BLUE ASTER, N, 1, upper cyns, SEYE, N, probably mis IDed, Cronquist et al rl314 (1984) say var. jamesii doesn't occur here, h887 Symphyotrichum lanceolatum var. hesperium (Gray) Cryptantha confertiflora (Greene) Payson. BASIN Nesom. WHITE PANICLE ASTER, N, 3, mid YELLOW CRYPTANTHA, N, 2, lower cyn rims, upper cyn, h r394 Symphyotrichum praeltum var. praeltum (Poir.) Ne Cryptantha crassisepala (Torr. & Gray) Greene. som. WILLOWLEAF ASTER, N, 0,? , h450 DEERTONGUE, N, 2, lower cyns, B319 Taraxacum laevigatum (Willd.) DC. ROCK DANDE Cryptantha fendleri (Gray) Greene. FENDLER'S LION, E, 4, through-out, h28 CRYPTANTHA, N, 1, Wheatfields Cr., r830 Taraxacum officinale Weber. DANDELION, N, 0, Bat Cryptantha flava (Neis.) Payson. PLATEAU YEL tle Cove Ruin, h692 LOW CATSEYE, N, 2, lower sandy rims, K Tetradymia canescens DC. GRAY HORSEBRUSH, N, Cryptantha fulvocanescens (Wats.) Pays. TAWNY 2, upper cyn slopes, D CATSEYE, N, 2, lower rims, B215 ivesiana Greene. IVES' FOUR-NERVE Cryptantha gracias Osterh. NARROWSTEM CAT DAISY, N, 3, rims through-out, B249 SEYE, N, 3, lower cyns & rims, D Thelesperma megapotamicum (Spreng.) Kuntz. HOPI Cryptantha pterocarya (Torr.) Greene. WINGNUT TEA GREENTHREAD, N, 2, mid-lower cyns CRYPTANTHA, N, 2, mid-lower cyns, D through-out, h392 Lappula occidentals var. cupulata (Gray) Higgins. Thelesperma subnudum Gray. NAVAJO TEA, N, 2, FLAT-SPINE SHEEPBURR, N, 0, NPS housing mid-lower cyns and rims, R484 area, D Townsendla exscapa (Richards.) Porter. STEMLESS Lappula occidentalis var. occidentalis (S. Wats.) TOWNSEND DAISY, N, 0,? , m Greene. DESERT STICKSEED, N, 3, through Townsendia incana Nutt. HOARY TOWNSEND DAI out, B318 SY, N, 3, lower cyns and rims, B210 Lithospermum incisum Lehm. FRINGED PUCCOON, Townsendia strigosa Nutt. HOARY TOWNSEND N, 2, lower cyns, D DAISY, N, 0, dunes near VC, h781 Lithospermum multiflorum Torr, ex Gray. MANY Tragopog?n dubius Scop. GOAT'S BEARD, E, 2, FLOWERED STONESEED, N, 2, through-out, through-out, h rep as common at head of CdM, h318 h267 Mertensia oblongifolia (Nutt.) G. Don. OBLON Verbesina encelioides subsp. exauriculata (Robins. & GLEAF BLUEBELLS, N, 2, Whiskey Cr, Black Greenm.) J.R. Coleman. GOLDEN CROWN Rock Cyn, white-flowered form is endemic to BEARD, E, 2, through-out, C Chuska Mtns/Canyon de Chelly area; r435 Verbesina microptera DC. CROWNBEARD, N,? , W49057 Wyethia scabra Hook. MULES-EARS, N, 1, mesa top, R482 Alyssum alyssoides (L.) L. PALE ALYSSUM, E, 0, Xanthium strumarium var. canadense (P. Mill.) Torr. & NPS housing area, h50 Gray. CANADA COCKLEBURR, N, 4, through Alyssum minus (L.) Rothm. ALYSSUM, E, 3, through out, riparian, h409 out, rl83 Arabis fendleri (S. Wats.) Greene. FENDLER'S Berberidaceae ROCKCRESS, N, 3, through-out, rl58 Arabis perennans S. Wats. PERENNIAL ROCK Mahonia repens (Lindl.) G Don. CREEPING BAR CRESS, N, 0, through-out, Arabis is in revision, BERRY, N, 3, through-out, high slopes, h7 A. fendleri & A. perennans are often confused. Some of Halse's A. perennans specimens at UA Betulaceae may have been annotated to an unknown taxon (P. Jenkins (ARIZ), per s comm), D Alnus incana subsp. tenuifolla (Nutt.) Breitung. THIN LEAF ALDER, N, 2, upper cyns, riparian, r577 Arabis pulchra var. pollens M. E. Jones. PALE ROCK CRESS, N, 1, Battle Cove Ruin, r290 Alnus oblongifolia Torr. ARIZONA ALDER, N, 2, up per cyns, riparian, h272 Camellna microcarpa Andrzej. FALSE FLAX, E, 2, Betula occidentalis Hook. WATER BIRCH, N, 3, up through-out, D per cyns, riparian, h272b Capsella bursa-pastorls (L.) Medic. SHEPHERD'S PURSE, E, 2, lower cyn, H rep. as through-out, D Cardamine cordifolia Gray. HEARTLEAF BITTER Bignoniaceae CRESS, N, 1, Wheatfields Cr, rl328 Catalpa bignonioides Walt. SOUTHERN CATALPA, Chorispora tenella (Pallas) DC. BLUE MUSTARD, E, H, 1, Draper Ranch, end of road in CdM, B36 3, disturbed sites, lower cyns, h218 Descurainia incana subsp. viscosa (Rydb.) MOUN TAIN TANSY MUSTARD, N, 0, upper CdM, Boraginaceae h486 Cryptantha bakeri (Greene) Payson. BAKER CAT Descurainia pinnata subsp. halictorum (Cockerell) SEYE, N, 2, upper cyn rims >6900\ h rep as Detling. WESTERN TANSYMUSTARD, N, 3, common through-out, hi 12 disturbed sites, lower cyns, B

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Descurainia pinnata subsp. ochroleuca (Woot.) De HEDGEHOG, N, 3, rims through-out, likely E. t. tling. WESTERN TANSYMUSTARD, N, 3, low var. mojavensis, h 103 er cyns, probably same taxon as D. p. subsp. hal Echinocereus triglochidiatus var. mojavensis (Engelm. ictorum, B341 & Bigelow) L. Benson MOHAVE HEDGEHOG Descurainia sophia (L.) Webb ex Prantl. FLAXWEED CACTUS, N, 3, rims through-out, r385 TANSY MUSTARD, N, 3, mid-lower cyns, hl6 Escobar?a viv?para var. viv?para (Nutt.) Buxbaum. wislizeni (Engelm.) Rollins. SPEC SPINYSTAR, N, 3, rims >6800', h822 TACLEPOD, N, 2, sandy areas, lower cyns, r275 Opuntia erinacea Engelm. & Bigelow ex Engelm. Draba cuneifolia var. cuneifolia Nutt. ex Torr. & Gray. GRIZZLYBEAR PRICKLYPEAR, N, 4, lower WEDGELEAF DRABA, N, 3, through-out, hl9 cyns, r310 Draba nemorosa L. WOODLAND DRABA, N, 2 up Opuntia fragilis (Nutt.) Haw. FRAGILE CACTUS, N, per Black Rock and MC; r437 2, upper cyns & rims, rl045 Draba petrophila var. petrophila Greene. SANTA Opuntia macrorhiza Engelm. GRASSLAND PRICK RITA MOUNTAIN DRABA, N, 1, horse trail into LYPEAR, N, 1, upper cyns, h820 Coyote/Wheatfields confluence; r594 Opuntia phaeacantha Engelm. BROWNSPINE Erysimum capitatum (Dougl. ex Hook.) Greene. PRICKLYPEAR, N, 4, lower cyns, Bu763 WESTERN WALLFLOWER, N, 2, through-out Opuntia polyacantha var. polyacantha Haw. HAIR cyns, riparian, D SPINE PRICKLYPEAR, N, 3, lower cyns, B373 Erysimum repandum L. REPAND WALLFLOWER, Opuntia whipplel Engelm. & Bigelow. WHIPPLE'S E, 0, NPS housing area, h778 CHOLLA, N, 4, through-out, B116 Lepidium densiflorum Schrad. PEPPERWEED, N, 3, Opuntia X viridiflora Britt. & Rose (pro sp.) RAT mid-lower cyns, B317 TAIL CHOLLA, H?, 1, fenceline at Standing Cow Lepidium montanum Nutt. MOUNTAIN PEPPER Ruin, CdM; rl290 WEED, N, 0, lower cyns, probably var. jonesii, D Sclerocactus whipplei (Engelm. & Bigelow) Britton. Lepidium montanum var. jonesii (Rydb.) C.L. Hitchc. WHIPPLE'S FISHHOOK CACTUS, N, 2, lower JONES PEPPERWEED, N, 2, lower cyns, r281 cyns & rims, Bu761 Lepidium perfoliatum L. CLASPING PEPPERWEED, E, 2, lower cyns, h378 Lesquerella intermedia (S. Wats.) Heller. SANTA FE BLADDERPOD, N, 0, Tsaile Lake, h915 parryi Gray. HAREBELL, N, 3, upper Lesquerella rectipes Woot. & Standl. STRAIGHT most cyns and hgs, h460 BLADDERPOD, N, 3, through-out, B355 Physaria newberryi Gray. NEWBERRY'S TWIN Cannabinaceae POD, N, 1, below Two-Hole Ruin, CdC, rl68 Rorippa sinuata (Nutt.) Hitchcock. SPREADING Humulus lupulus var. lupuloides E. Small. ARIZONA YELLOWCRESS, N, 1, dry cattle tanks nr park HOPS, N, 2, lower cyns, h481 housing, rl959 Rorippa sphaerocarpa (Gray) Britt. ROUNDFRUIT YELLOWCRESS, N, 1, upper CdM and MC, Capparaceae h633 Cleome serrulata Pursh. ROCKY MOUNTAIN Rorippa tenerrima Greene. MODOC YELLOW PLANT, N, 4, lower cyns, B274 CRESS, N, 1, lower Wheatfields, r872 Rorippa teres (Michx.) R. Stuckey. SOUTHERN Caprifoliaceae MARSH YELLOWCRESS, N, 0, H rep as com mon in upper cyns, h468 Lonicera korolkowii Stapf. BLUELEAF HONEY Sisymbrium altissimum L. TUMBLE MUSTARD, E, SUCKLE, H, 1, T, rll41 3, lower cyns, Ha Symphoricarpos oreophilus Gray. MOUNTAIN Stanleya pinnata (Pursh) Britt. DESERT SNOWBERRY, N, 3, slopes, upper cyns, h934 PRINCE'SPLUME, N, 1, mid CdC, h888 Streptanthella longirostris (Wats.) Rydb. LONGBEAK FIDDLE MUSTARD, N, 3, lower cyns & rims, Caryophyllaceae h38 Arenaria eastwoodiae var. eastwoodiae Rydb. EAST Streptanthus cordatus Nutt. HEARTLEAF TWIST WOOD SANDWORT, N, 2, sandy soils, lower FLOWER, N, 3, lower cyns & rims, D slopes, Ha Thelypodium wrightii Gray. WRIGHT'S THELYPO Arenaria eastwoodiae var. adenophora Kearney & DY, N, 2, MC and lower CdC, h600 Peebles. EASTWOOD SANDWORT, N, 0, Battle Thlaspi montanum var. montanum L. ALPINE PEN Cove Ruin, hi 16 NYCRESS, N, 2, upper cyns, h313 Arenaria fendleri var. fendleri Gray. FENDLER'S SANDWORT, N, 2, upper cyns, r837 Cactaceae Arenaria fendleri var. brevifolia (Maguire) Maguire. FENDLER'S SANDWORT, N, 3, slopes through Echinocereus coccineus Engelm. SCARLET HEDGE out, h357 HOG CACTUS, N, 0, Sliding House Overlook, ArenariaH lanuginosa subsp. saxosa (Gray) Maguire. Echinocereus fendleri (Engelm.) F. Seitz. FENDLER SPREADING SANDWORT, N, 2, cyns through HEDGEHOG CACTUS, N, 2, rims through-out, out, W h248 Arenaria serpyllifolia L. THYMELEAF SANDWORT, Echinocereus triglochldiatus Engelm. CLARETCUP E, 0, near Sliding House Overlook, H

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Cerastium beeringianum Cham. & Schlecht. CHICK Monolepis nuttalliana (Schult.) Greene. NUTTALL'S WEED, N, 1, upper CdM, rl355 POVERTY WEED, N, 2, through-out, h881 Cerastium fontanum subsp. vulg?re (Hartman) Greuter Salsola kali L. RUSSIAN THISTLE, E, 4, through & B?rdet. BIG CHICKWEED, E, 2, CdM, h290 out, B338 Cerastium glomeratum Thuill. STICKY CHICK Salsola tragus L. PRICKLY RUSSIAN THISTLE, E, WEED, E, 1, upper CdM; r631 1, upper MC, probably same as S. kali above, r901 Pseudostellaria jamesii (Torr.) WA. Weber & R.L. Sarcobatus vermiculatus (Hook.) Torr. GREASE Hartman. STICKY STARWORT, N, 2, upper WOOD, N, 3, lower cyns, B347 cyns, h274 Suaeda moquinii (Torr.) Greene. ALKALI SEEP Sil?ne antirrhina L. CATCHFLY, N, 1, Wheatfields WEED, N, 0, south of NPS housing area, White Cyn, r856 House Ruins, L7 Sil?ne laciniata Cav. CARDINAL CATCHFLY, N, 2, upper cyns, h515 Clusiaceae Sil?ne menziesii Hook. MENZIE'S CATCHFLY, N, 2, upper cyns, r499 Hypericum scouleri Hook. SCOULER ST. JOHN Spergularia salina J.& K. Presl. SALT SANDSPUR SWORT, N, 0, upper CdM, h462 RY, N, 1, WH Ruins & cyn mouth, B325 Convolvulaceae Celastraceae Calystegia macounii (Greene) Brummitt. MACOUN' S FALSE BINDWEED, N, 0, upper CdM, h485 Paxistima myrsinites (Pursh) Raf. BOXLEAF, N, 1, Convolvulus arvensis L. FIELD BINDWEED, E, 3, Nest Mtn., r535 disturbed sites through-out, h52 Evolvulus nuttallianus J.A. Schultes. PROSTRATE Ceratophyllaceae EVOLVULUS, N, 0, Black Rock Cyn & talus Ceratophyllum demersum L. COMMON HORN slopes nr. Spider Rock, R146 WORT, N, 2, upper CdM & MC, aquatic, r524 Ipomoea costellata Torr, crestrib MORNINGGLORY, N, 1, S Rim Dr .5 mile E of VC; rl406

Chenopodiaceae Cornaceae Atriplex arg?ntea Nutt. SILVERSCALE SALTBUSH, N, 0,? , De 42795 Cornus sericea L. REDOSIER DOGWOOD, N, 3, up Atriplex canescens (Pursh) Nutt. FOURWING SALT per cyns, hl91 BUSH, N, 4, lower cyns & rims, R134 Atriplex confertifolia (Torr. & Frem.) S. Wats. Cucurbitaceae SHADSCALE, N, 4, lower cyns & rims, B349 Citrullus lanatus var. lanatus (Thunb.) Matsumura & Atriplex obovata Moq. MOUND SALTBUSH, N, 0, Nakai. WILD WATERMELON, H, 0, Antelope lower cyns & rims, h602 House Ruin, h610 Atriplex rosea L. REDSCALE SALTBUSH, E, 0, h Cuc?rbita foetidissima Kunth. BUFFALO GOURD, N, rep as common at mouth of Far Spiral Cyn, h738 3, lower cyns, h565 Bassia hyssopifolia (Pallas) Kuntz. SMOTHER Cuc?rbita moschata (Duchesne ex Lam.) Duchesne ex WEED, E, 1, below jet., H Poir. CROOKNECK SQUASH, H, 1, S Rim Dr Chenopodium album L. LAMBSQUARTERS, N, 2?, W of Tunnel Tr., rl531 Bat Cyn above falls, r923 Chenopodium berlandieri Moq. NETSEED LAMBS Elaeagnaceae QUARTERS, N, 2, through-out, hl30 Chenopodium botrys L. JERUSALEM OAK, E, 1, be Elaeagnus angustifolla L. RUSSIAN OLIVE, H, 5, low jet., r789 through-out, riparian, mainly lower cyns, H Chenopodium fremontii S. Wats. FREMONT GOOSE FOOT, N, 2, through-out, r736 Euphorbiaceae Chenopodium glaucum L. OAK-LEAF GOOSEFOOT, Chamaesyce fendleri (Torr. & Gray) Small. FEN E, 0, Wheatfields Cyn, h528 DLER'S SANDMAT, N, 3, lower cyns & rims, Chenopodium graveolens Willd. FETID GOOSE h53 FOOT, N, 2, through-out, rlOOO Chamaesyce glyptosperma (Engelm) Small. RIB Chenopodium leptophyllum (Moq.) Nutt. ex S. Wats. SEED SANDMAT, N, 3, lower cyns, h511 NARROWLEAF GOOSEFOOT, N, 3, through Chamaesyce serpyllifolia (Pers.) Small. THYME out, r787 LEAF SANDMAT, N, 3, through-out, h545 Chenopodium rubrum L. RED GOOSEFOOT, N, 2, Croton texensis (Klotzsch) Muell.- Arg. TEXAS CRO lower cyns, H T?N, N, 4, lower cyns & rims, R25 Corispermum americanum var. americanum (Nutt.) Euphorbia brachycera Engelm. HORNED SPURGE, Nutt. AMERICAN BUGSEED, N, 3, lower cyns, rl474 N, 2, upper CdC and Whiskey Cr area, h524 Tragia ramosa Torr. NOSEBURN, N, 3, slopes, lower Cycloloma atriplicifolium (Spreng.) Coult. WINGED cyns, h90 PIGWEED, N, 2, lower cyns, r788 Kochia scoparia (L.) Schrad. KOCHIA, E, 3, disturbed sites, lower cyns, R4 Krascheninnikovia lanata (Pursh) A.D.J. Meeuse Astragalus & brandegei Porter. BRANDEGEE'S MILK Smit. WINTERFAT, N, 3, lower cyns, R135 VETCH, N, 1, Whiskey Res. shoreline, r571

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Astragalus calycosus Torr, ex S. Wats. TORREY'S Melilotus alba Desr. WHITE SWEETCLOVER, E, 3, MILKVETCH, N, 2, lower rims, B217 through-out, B Astragalus ceramlcus Sheldon. PAINTED MILK Melilotus officlnalls (L.) Lam. YELLOW SWEET VETCH, N, 2, sandy areas, lower cyns & rims, CLOVER, E, 3, through-out, Melilotus may have r214 been introduced as a crop for making hay, B303 Astragalus chuskanus Barneby & Spellenberg. SAN Oxytropis lambertii Pursh. LAMBERT LOCOWEED, JUAN MILKVETCH, N, 1, Whiskey Cr & upper N, 1, upper CdC >6900\ r835 CdC endemic to Chuska and Tunitcha Mtns, r671 Parryella fillfolla Torr. & Gray ex Gray. DUNE Astragalus humlstratus var. humivagans (Rydb.) Bar BROOM, N, 1, bottom of Tseh Ya Kin Cyn, rl512 neby. GROUNDCOVER MILKVETCH, N, 1, up megalanthum (Woot. & Stand.) Rydb. IN per Wheatfields, r860 TERMOUNTAIN INDIAN BREADROOT, N,l, Astragalus kentrophyta var. elatus S. Wats. TALL shaly slope, head of Yellow Coyote Wash, r211 SPINY MILKVETCH, N, 2, slopes, mid cyns, Cu lanceolatum (Pursh) Rydb. DUNE SCU Astragalus lentiginosus Dougl. ex Hook. FRECKLED RFPEA, N, 3, upper terraces, mid cyns, h249 MILKVETCH, N, probably var. diphysus, h Psoralidium tenuiflorum (Pursh) Rydb. SCURFPEA, Astragalus lentiginosus var. diphysus (Gray) M.E. N, 1, Wheatfields Cr. & slopes east of Coyote Cr, Jones. FRECKLED MILKVETCH, N, 3, through r841 out, B220 Robinia pseudo-acacia Linnaeus. BLACK LOCUST, Astragalus lonchocarpus Torr. RUSHY MILKVETCH, H, 1, Draper Ranch, end of road in CdM, rll89 N, 2, slopes & rims through-out, r397 Spartium junceum L. SPANISH BROOM, H, 1, T, Astragalus missouriensis var. mimetes Barneby HORN rl294 LOCO MILKVETCH, N, 2, mid cyns, r532 Trifolium longipes Nutt. LONGSTALK CLOVER, N, Astragalus mollissimus var. thompsoniae (S. Wats.) 3, mid-upper cyns, riparian, r341 Barneby. THOMPSON'S WOOLY MILK Trifolium repens L. WHITE CLOVER, E, 3, cyns VETCH, N, 3, through-out, B218 through-out, Ha Astragalus nuttalllanus DC. Nuttall. MILKVETCH, N, Vicia americana Muhl ex Willd. AMERICAN 2, mid cyn bottoms, h797 DEERVETCH, N, 2, upper cyns, h210a Astragalus scopulorum T.C. Porter. ROCKY MOUN TAIN MILKVETCH, N, 1, upper CdM, r350 Astragalus wingatanus S. Wats. FORT WINGATE Fagaceae MILKVETCH, N, 2, upper rims, r323 humilis Benth. MOUNTAIN CALLIAN Quercus gambelli Nutt. GAMBEL OAK, N, 5, through-out, L26 DRA, N, 1, rim above MC, r961 Quercus turbinella Greene. SCRUB OAK, N, 4, lower Dalea candida var. oligophylla (Torr.) Shinners. cyns & rims, B244 WHITE PRAIRIE CLOVER, N, 2, lower cyns, R468 Quercus X pauclloba Rydb. (pro sp.) WAVYLEAF OAK, N, 2, lower cyns & rims, B380 Gleditsia triacanthos L. var. inermis Willd. HONEY LOCUST H, 1, bottom of Twin Trail & T, rl292 Glycyrrhiza lepidota Pursh. LICORICE, N, 2, mid Fumariaceae lower cyns & rims, Ba Hedysarum bor?ale Nutt. NORTHERN SWEET Corydalis curvisiliqua subsp. occidentalis (Engelm. ex VETCH, N, 2, slopes, mid cyns, r368 Gray) WA. Weber. CURVEPOD FUMEWORT, Lathyrus eucosmus Butters & St. John. BUSH PEAV N, 2, through-out, B365 INE, N, 2, mid-upper cyns, h210 Lathyrus graminifollus (S. Wats.) White. GRAS Gentianaceae SLEAF PEAVINE, N, 0, Antelope House Trail Cyn, h 137 Centaurium calycosum (Buckl.) Fern. ARIZONA Lotus plebeius (Brand) Barneby. LONG- CENTAURY, N, 0, lower cyns, riparian, R467 BIRD'S-FOOT-TREFOIL, N, 1, upper CdM; r351 Frasera paniculata Torr. UTAH ELKWEED, N, 1, Lotus wrightii (Gray) Greene. WRIGHT'S DEERV north rim road, W ETCH, N, 2, upper cyns, h316 Frasera speciosa Dougl. ex Griseb. DEERS EARS, N, Lupinus brevicaulis Wats. SHORTSTEM LUPINE, N, 2, through-out, D 2, sage flats mid-upper rims, h847 Gentianella amarella subsp. acuta (Michx.) J. Gillett. Lupinus caudatus subsp. cutleri (Eastw.) Hess & D. AUTUMN DWARF GENTIAN, N, 1, Whiskey Dunn. CUTLER'S SPURRED LUPINE, N, 3, up Cr, rl054 per terraces in mid cyns, endemic to the area, h271 Geraniaceae Lupinus kingii S. Wats. KING'S LUPINE, N, 2, upper cyns & rims >7000', r817 Erodlum cicutarium (L.) L'Her. ex Ait. FILAREE, E, Medicago lupulina L. BLACK MEDIC, E, 4, through 4, through-out, B342 out, Ha Geranium caespitosum var. caespitosum James. PI Medicago polymorpha L. BUR CLOVER, E, 1, up NEYWOODS GERANIUM, N, 2, upper cyns, stream of Baby Tr, CdM, r283 h635 Medicago sativa L. ALFALFA, H, 4, through-out, Geranium lentum Woot. & Standl. MOGOLL?N GE h499 RANIUM, N, 3, upper cyns, h338 Medicago sativa subsp. falcata (L.) Arcang. ALFAL Geranium richardsonii Fisch. & Trautv. RICHARD FA, H, 3, lower canyons, r768 SON'S GERANIUM, N, 2, upper cyns, h338a

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Grossulariaceae Stachys rothrockii Gray. ROTHROCK'S HEDGE NETTLE, N, 2, upper CdC, h530 Ribes cereum Dougl. WAX CURRANT, N, 2, upper CdC>6900\ r550 Lemnaceae Ribes leptanthum Gray. TRUMPET GOOSEBERRY, N, 3, through-out, h9 Lemna minor L. COMMON DUCKWEED, N, 3, up per CdM, aquatic, r965 Haloragaceae Linaceae Myriophyllum sibiricum Komarov. MILFOIL, N, 3, upper CdM, aquatic, r603 Linum aristatum Engelm. BRISTLE FLAX, N, 0, rim, upper CdM, h339 Hydrangeaceae Linum australe Heller. SOUTHERN FLAX, N, 2, through-out, r559 Fendlera rupicola Gray. FENDLERBUSH, N, 3, Linum lewisii Pursh. BLUE FLAX, N, 2, upper cyns slopes, lower cyns, B223 & rims >6500\ h917 Philadelphus microphyllus Gray. LITTLELEAF Linum puberulum (Engelm.) Heller. DESERT FLAX, MOCKORANGE, N, 3, slopes, through-out, Cu N, 2, lower cyns & rims, D

Hydrophyllaceae Loasaceae

Nama dichotomum (Ruiz & Pav?n) Choisy. WISH Mentzelia albicaulis Dougl. WHITE BLAZINGSTAR, BONE FIDDLELEAF, N, 2, upper cyns & rims, N, 2, rims through-out, h900 rl413 Mentzelia multiflora (Nutt.) Gray. DESERT BLA Nama retrorsum J.T. Howell. BETATAKIN FIDDLE ZINGSTAR, N, 2, sandy sites, lower cyns, r276 LEAF, N, 2, sandy areas, lower cyns & rims, h563 Mentzelia pumila Nutt. ex Torr. & Gray. DWARF Phacelia alba Rydb. WHITE PHACELIA, N, 1, Whis BLAZINGSTAR, N, 2, sandy sites, lower rims, key Cr, h516 h63 Phacelia crenulata var. corrugata Torr, ex S. Wats. Mentzelia rusbyi Woot. RUSBY'S BLAZINGSTAR, CATERPILLARWEED, N, 3, lowermost rims, N, 1, NE of Whiskey Reservoir, rl080 h55 Phacelia ivesiana Torr. IV?S' PHACELIA, N, 2, low er rims <6500', D Malva neglecta Walk. CHEESEWEED, E, 2, lower Juglandaceae cyns & slopes, W ambigua Gray. DESERT GLOBEMAL Carya illinoinensis (Wangenh.) K. Koch. PECAN, H, LOW, N, 0, WH Ruin, B 1, Draper Ranch, end of road in CdM, rll90 Sphaeralcea cocc?nea (Pursh) Rydb. COPPER MAL Juglans major (Torr.) Heller. ARIZONA BLACK LOW, N, 3, lower cyns & rims, B204 WALNUT, H, 2, lower cyns, hl05 Sphaeralcea fendleri Gray. FENDLER'S GLOBEM ALLOW, N, 3, mid-lower cyns & rims, B276 Lamiaceae Sphaeralcea hastulata Gray. SPREADING GLOBEM ALLOW, N, 0, NPS housing area, h59 Agastache pallidiflora (Heller) Rydb. BILL WILLIAM Sphaeralcea incana Torr, ex Gray. GRAY GLOBEM HYSSOP, N, 0, probably ssp as below, h634 ALLOW, N, 1, White Sands Tr, r717 Agastache pallidiflora subsp. neomexicana (Briq.) Lint Sphaeralcea leptophylla (Gray) Rydb. SCALY GLO & Epling. NEW MEXICAN GIANT HYSSOP, N, BEMALLOW, N, 2, dunes south of VC, R154 2, upper CdC>7000', r818 Sphaeralcea parvifolia A. Nelson. SMALLFLOWER Dracocephalum parviflorum Nutt. AMERICAN GLOBEMALLOW, N, 2, lower cyns, L35 DRAGONHEAD, N, 2, mid cyns, B Hedeoma drummondii Benth. DRUMMOND'S Monotropaceae FALSE PENNYROYAL, N, 3, through-out, B354 Hedeoma oblongifolla (Gray) Heller. FALSE PENNY Pterospora andromedea Nutt. WOODLAND PINE ROYAL, N, 1, west slopes of Pine Tree Cyn, W DROPS, N, 1, spring at top of TR124 upper CdC, Marrublum vulg?re L. HOREHOUND, E, 3, lower rl379 cyns, De Mentha arvensis L. FIELD MINT, N, 2, Tsaile Lake Moraceae to mouth of cyns, L34 Monarda fistulosa var. menthifolia (Graham) Fern. Moms alba L. WHITE MULBERRY, H, 1, Sliding WILDBERGAMOT BEEBALM, N, 3, upper Rock & Antelope House Ruins, h876 cyns, h474 Perovskia atriplicifolia Benth. H, 1, T, rl295 Nyctaginaceae Poliomintha incana (Torr.) Gray. ROSEMARY MINT, N, 2, sandy sites, lower cyns, r227 Abronia elliptica A. Neis. FRAGRANT WHITE Prunella vulgaris L. SELFHEAL, N, 2, upper cyns, SAND VERBENA, N, 2, sandy sites, lower cyns, h276 B336 Salvia reflexa H?rnern. BLUE SAGE, N, 2, Tsaile Abronia fragrans Nutt. ex Hook. SWEET S AND VER Lake to confluence, rl479 BENA, N, 1, sandy sites, Cottonwood Cyn, r277

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Boerhavia spicata Choisy. CREEPING SPIDERLING, ROSE, N,? , likely subsp. runciniata or tricho N, 3, lower cyns & rims, h658 calyx, Ha Mirabilis decipiens (Standl.) Standl. BROADLEAF Oenothera paluda subsp. runcinata (Engelm.) Munz FOUR-O'CLOCK, N, 2, upper cyns, r963 & W Klein. PALE EVENING PRIMROSE, N, 0, Mirabilis linearis (Pursh) Heimerl. NARROWLEAF WH Tr, Ha FOUR-O'CLOCK, N, 2, through-out, h491 Oenothera pallida subsp. trichocalyx (Nutt.) Munz & Mirabilis multiflora (Torr.) Gray. COLORADO FOUR W Klein. PALE EVENING PRIMROSE, N, 2, O'CLOCK, N, 2, through-out, R466 dunes 1 mile south of VC, r306 Mirabilis oxybaphoides (Gray) Gray. SPREADING FOUR-O'CLOCK, N, 2, cyns through-out, h Orobanchaceae Tripterocalyx carnea var. wootonii (Standl.) L.A. Gal. WOOTON SANDPUFFS, N, 2, sandy sites, lower Orobanche fasciculata Nutt. PURPLE BROOMRAPE, cyns, B315 N, 1, rim of MC, H rep common on rims through out, C Oleaceae Orobanche ludoviciana subsp. multiflora (Nutt.) Col lins, comb. nov. ined. MANYFLOWERED Forestiera pubescens var. pubescens Nutt. DESERT BROOMRAPE, N, 1, rims through-out, D OLIVE, N, 3, through-out, B228 Fraxinus an?mala Torr, ex S. Wats. SINGLELEAF Oxalidaceae ASH, N, 1, S Rim road .5 km east of VC & WH Tr, B Oxalls decaphylla Kunth. TENLEAF WOODSOR Fraxinus sp. L. ASH, H, 1, T, rl966 REL, N, 2, through-out, r866 Ligustrum sp. PRIVET, H, 1, T, rl566 Menodora scabra Gray. ROUGH MENODORA, N, 2, Pedaliaceae upper CdC & rim above Whiskey Cr, r456 Proboscidea parviflora (Woot.) Woot. & Standl. DEV Onagraceae IL'S CLAW, N, 2, lower cyns, rll08

Calylophus lavandulifolius (Torr. & Gray) LAVEN Plantaginaceae DER CALYLOPHUS, N, 2, lower south rim, B208 Plantago argyraea Morris. SALTMEADOW PLAN Epilobium ciliatum Raf. FRINGED WILLOW HERB, TAIN, N, 2, mid-upper cyns, h543 N, 3, cyns through-out, riparian, h463 Plantago eriopoda Torr. ALKALI PLANTAIN, N, 2, Gaura cocc?nea Nutt. ex Pursh. SCARLET GAURA, mid-lower cyns, Ba N, 2, sage flats above CdC >7000\ r662 Plantago lanceolata L. LANCELEAF PLANTAIN, N, Gaura hexandra subsp. gracilis (Woot. & Standl.) Ra 3, through-out cyns, riparian, L38 ven & Gregory. HARLEQUIN BUSH, N, 0, upper Plantago major L. BROADLEAF PLANTAIN, N, 3, MC, h644 through-out cyns, riparian, He Gaura mollis James. VELVETWEED, N, 2, lower Plantago patag?nica Jacq. WOOLY PLANTAIN, N, cyns & rims, h408 3, upper terraces, mid-lower cyns, B313 Gayophytum diffusum subsp. parviflorum Lewis & Szweykowski. SPREADING GROUNDSMOKE, Polemoniaceae N, 1, upper Wheatfields Cyn, r836 Gayophytum ramosissimum Torr. & Gray. PINYON Eriastrum diffusum (Gray) Mason. DIFFUSE ERIAS GROUNDSMOKE, N, 1, near head of Black TRUM, N, 1, sandy site lower peninsula, r250 Rock Cyn, r429 Gilia inconspicua (Sm.) Sweet. SHY GILIA, N, 3, Oenothera albicaulis Pursh. WHITE-STEM EVEN through-out, rl64 ING PRIMROSE, N, 3, mid-lower cyns & rims, Gilia leptomeria Gray. SAND GILIA, N, 0, between B273 NPS housing & dunes, D Oenothera caespitosa subsp. caespitosa Nutt. TUFT Gilia ophthalmoides Brand. EYED GILIA, N, 0, lower ED EVENING PRIMROSE, N, 0, lower cyns, cyns, h 125 B274 Gilia sinuata Dougl. ROSY GILIA, N, 0, lower cyns, Oenothera caespitosa subsp. marginata (Nutt. ex D125 Hook. & Arn.) M?nz. TUFTED EVENING Ipomopsis aggregata (Pursh) V. Grant. SCARLET GI PRIMROSE, N, 2, mid cyns, B LIA, N, 3, lower cyns & slopes, B36 Oenothera caespitosa subsp. navajoensis W.L. Ipomopsis Wag gunnisonii (T. & G.) V. Grant. SAND ner, Stockhouse & Klein. NAVAJO EVENING DUNE SKYROCKET, N, 0, sandy sites, lower PRIMROSE, N, 0, base of Spider Rock, h214 cyns & rims, D Oenothera coronopifolia Torr. & Gray. CROWNLEAF Ipomopsis longiflora (Torr.) V. Grant. WHITEFLOW EVENING PRIMROSE, N, 2, Wheatfields ERED & GILIA, N, 2, sandy sites, lower cyns, Cu Coyote Creeks, r558 Ipomopsis multiflora (Nutt) V. Grant. MANYFLOW Oenothera elata subsp. hookeri (Torr. & Gray) WERED GILIA, N, 2, upper cyns & rims, h817 Dietr. & W.L. Wagner. HOOKER'S EVENING Ipomopsis polycladon (Torr.) V. Grant. SPRAWLING PRIMROSE, N, 2, upper CdM, h490 SKYROCKET, N, 2, sandy sites, lower south rim, D Oenothera flava (A. Neis.) Garrett. YELLOW EVENIpomopsis pumila (Nutt.) V. Grant. DWARF GILIA, ING-PRIMROSE, N, 3, upper cyns & rims, B325 N, 0, lower rims, D Oenothera pallida Lindl. PALE EVENING LeptodactylonPRIM pungens Torr.) Torr, ex Nutt. COM

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MON PRICKLYGILIA, N, 3, lower cyns & Primulaceae slopes, B222 Androsace occidentalis Pursh. WESTERN ROCK Phlox austromontana Coville. DESERT PHLOX, N, JASMINE, N, 1, rim near head of Poison Ivy Cyn, 3, slopes, lower cyns, h35 r360 Phlox gracilis (Dougl.) Greene. SLENDER PHLOX, Androsace septentrionalis subsp. subulifera (Gray) N, 2, upper cyns, h 198 G.T. Robbins. PIGMYFLOWER ROCKJASMI Phlox hoodii Richards. HOOD'S PHLOX, N, 1, Na vajo Fortress, W NE, N, 3, through-out, D Phlox longifolia subsp. brevifolia (Gray) Mason. LONGLEAF PHLOX, N, 0, near Spider Rock Ranunculaceae Overlook, h771 Actaea rubra subsp. arguta (Nutt.) Hult?n. RED Phlox longifolia subsp. longifolia Nutt. LONGLEAF BANEBERRY, N, 0, upper MC, h636 PHLOX, N, 2, mid cyns, C Aquilegia chrysantha Gray. GOLDEN COLUMBINE, Polemonium foliosissimum var. foliosissimum Gray. H, 1, T, rl952 TOWERING JACOBS LADDER, N, 1, upper Aquilegia elegantula Greene. WESTERN RED COL Wheatfields Cr, r829 UMBINE, N, 1, upper east arm of MC, r509 Aquilegia micrantha Eastw. MANCOS COLUMBINE, Polygonaceae N, 3, hg through-out, h245 Ceratocephala testiculata (Crantz) Bess. BUR BUT Eriogonum alatum Torr. WINGED BUCKWHEAT, N, TERCUP, E, 4, through-out, h756 3, rims through-out, C Clematis columbiana (Nutt.) Torr. & Gray. ROCK Eriogonum cernuum Nutt. NODDING BUCKWHEAT, CLEMATIS, N, 1, steep, forested slope in Poison N, 2, upper cyns & rims, h910 Ivy Cyn, r355 Eriogonum corymbosum Benth. CRISPLEAF BUCK Clematis hirsutissima var. hirsutissima Pursh. HAIRY WHEAT, N, 1, S Rim Dr 1 km east of VC, rl405 CLEMATIS, N, 1, Wheatfields Creek, r855 Eriogonum microthecum Nutt. SLENDER BUCK Clematis ligusticifolia Nutt. VIRGINS BOWER, N, 3, WHEAT, N, 3, rims & slopes through-out, R159 cyns & slopes through-out, B382 Eriogonum racemosum Nutt. REDROOT BUCK Delphinium nuttallianum Pritz. ex Walp. LOW LARK WHEAT, N, 3, upper cyns & rims >6500', h519 SPUR, N, 3, mid-upper cyns & rims >6500, B201 Eriogonum shockleyi S. Wats. SHOCKLEY'S BUCK Delphinium scaposum Greene. BARESTEM LARK WHEAT, N, 1, floor of CdC, R463 SPUR, N, 3, lower cyns & rims <6000', h845 Eriogonum umbellatum var. cognatum (Greene) Re Myosurus apetalus var. borealis Whittemore. BRIS veal. SULPHUR-FLOWER BUCKWHEAT, N, I TLY MOUSETAIL, N, 1, upper cyns & rims, have found no reference separating this from E. h769 u. var. subaridum below, h522 Myosurus cupulatus Wats. ARIZONA MOUSETAIL, Eriogonum umbellatum var. subaridum S. Stokes. N, 0, rim of upper CdM, h922 SULPHUR-FLOWER BUCKWHEAT, N, 2, up Ranunculus aquatilis L. WATER BUTTERCUP, N, 0, per cyns & rims, r677 upper cyns, aquatic, h302 Polygonum aviculare L. PROSTRATE KNOTWEED, Ranunculus cymbalaria Pursh. ALKALI BUTTER E, 2, cyns through-out, h 129 CUP, N, 3, cyns through-out, B277 Polygonum convolvulus L. BLACK BINDWEED, E, Ranunculus longirostris Godr. LONGBEAK BUT 1, upper CdM, r998 TERCUP, N, 3, upper CdM, aquatic, r602 Polygonum douglasii subsp. johnstonii (Munz) Hick Ranunculus macounii Britt. MACOUN'S BUTTER man. JOHNSTON KNOTWEED, N, 2, upper CUP, N, 2, upper CdM & near cyn mouth, h86 cyns and rims, r446 Ranunculus sceleratus var. multifidus Nutt. BLISTER Polygonum lapathifolium L. SMARTWEED, N, 1, BUTTERCUP, N, 2, cyns through-out; rll41b Tsaile Lake discharge area, r970 Thalictrum dasycarpum Fisch. & Av?-Lall. PURPLE Polygonum ramosissimum Michx. TALL KNOT MEADOWRUE, N, 0, S Rim Dr Va mi ESE of T, H WEED, N, 1, Wheatfields Cyn, r842 Thalictrum fendleri Engelm. ex Gray. FENDLER'S Rumex aquaticus var. fenestratus (Greene) Dorn. MEADOW-RUE, N, 3, cyns through-out, B323 WESTERN DOCK, N, 1, through-out CdM, r292 Rumex crispus L. CURLY DOCK, E, 3, through-out, B368 Rhamnaceae Rumex salicifolius var. mexicanus (Meisn.) C.L. Ceanothus fendleri Gray. FENDLER'S CEANO Hitchc. MEXICAN DOCK, N, 2, upper CdC & THUS, N, 1, upper cyns & rims, r892 Black Rock Cyn, rl052 Rosaceae Portulacaceae Agrimonia striata Michx. ROADSIDE AGRIMONY, Portulaca halimoides L. SILK-COTTON PURS N, 0, upper MC, h625 LANE, N, 2, through-out, rl415 Amelanchier alnifolia var. alnifolia (Nutt.) Nutt. ex M. Portulaca oler?cea L. COMMON PURSLANE, E, 2, Roemer. SASKATOON SERVICEBERRY, N, 2, through-out, h715 upper cyns, ri231 Talinum brevifolium Torr. PYGMY FAMEFLOWER, Amelanchier utahensis var. utahensis Koehne. UTAH N, 2, rims <6800\ h815 SERVICEBERRY, N, 4, through-out, B241 Talinum confertiflorum Greene. NEW MEXICAN FA Arg?ntea anserina (L.) Rydb. SILVERWEED MEFLOWER, N, 2, upper rims >6800'; r946 CINQUEFOIL, N, 2, cyns through-out, r561

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Cercocarpus intricatus S. Wats. LITTLELEAF Populus X acuminata Rydberg. LANCELEAF COT MOUNTAIN MAHOGANY, N, 4, rims and TONWOOD, N, 2, mid cyns, h 195 slopes <6500\ B252 Salix amygdaloides Anderss. PEACHLEAF WILLOW, Cercocarpus ledifolius var. intermontanus N. Holm N, 4, mid-lower cyns, B352 gren. CURL LEAF MOUNTAIN MAHOGANY, Salix bebbiana Sarg. BEBB'S WILLOW, N, 1, upper N, 2, lower rims and slopes <6400', r692 CdM, r620 Cercocarpus montanus Raf. MOUNTAIN MAHOG Salix exigua Nutt. COYOTE WILLOW, N, 5, cyns ANY, N, 4, through-out, B239 through-out, B338 Cotoneaster horizontalis Dene. ROCKSPRAY CO Salix gooddingii Ball. GOODDING WILLOW, N, 2, TONEASTER, H, 1, T, rl564 lower cyns, B Dasiphora floribunda (Pursh) Kartesz, comb. nov. Salix laevigata Bebb. RED WILLOW, N, 2, through ined. SHRUBBY CINQUEFOIL, N, 1, hg on N out, Cu side of Coyote Cr., rl309 Salix lasiolepis Benth. ARROYO WILLOW, N, 2, Fallugia paradoxa (D. Don) Endl. ex Torr. APACHE mid-upper cyns >6200', rl56 PLUME, H, 1, T, rl293 Fragaria virginiana subsp. glauca (S. Wats.) Staudt L. VIRGINIA STRAWBERRY, N, 2, upper SW arm of MC, r491 Comandra umbellata subsp. pallida (A. DC.) Piehl. Holodiscus dumosus (Nutt. ex Hook.) Heller. ROCK BASTARD TOADFLAX, N, 2, through-out?, SPIREA, N, 2, cyns through-out >6200', h464 h240 Malus pumila Mill. COMMON APPLE, H, 4, lower cyns, h807 Saururaceae Potentilla crinita Gray. BEARDED CINQUEFOIL, N, 1, upper CdC, h352 Anemopsis californica (Nutt.) Hook. & Arn. YERBA Potentilla pensylvanica L. PRAIRIE CINQUEFOIL, MANSA, N, 3, cyn bottoms below Jet, R41 N, 2, upper CdC, r665 Prunus armeniaca L. APRICOT, H, 3, lower cyns, rll83 Saxifragaceae Prunus p?rsica (L.) Batsch. PEACH, H, 4, lower cyns, Heuchera parvifolia var. flavescens (Rydb.) Rosen h806 dahl, Butters & Lakela. LITTLEFLOWER AL Prunus virginiana L. CHOKECHERRY, N, 3, upper UMROOT, N, 2, upper slopes, h279 cyns, h309 Heuchera rubescens var. versicolor (Greene) M.G. Purshia stansburiana (Torr.) Henrickson. STANSBU Stewart. PINK ALUMROOT, N, 1, hg in lower RY CLIFFROSE, N, 4, through-out, B224 Wheatfields Cr, r877 Purshia tridentata (Pursh) DC. ANTELOPE BITTER Lithophragma tenellum Nutt. SLENDER WOOD BRUSH, N, 1, Whiskey Cr., r674 LANDSTAR, N, 1, SE arm of MC, r520 Rosa woodsii var. ultramontana (S. Wats.) Jepson. Parnassia palustris var. parviflora (DC.) Boivin. WOOD'S ROSE, N, 3, through-out, hl89 SMALLFLOWER GRASS OF PARNASSUS, N, Rubus idaeus subsp. strigosus (Michx.) Focke. RED 1, hg in lower Wheatfields Cr, h451 RASPBERRY, N, 2, upper cyns, h484 Rubus parviflorus Nutt. THIMBLEBERRY, N, 1, up per CdM, r656 Scrophulariaceae Besseya arizonica Pennell. ARIZONA CORALD Rubiaceae ROPS, N, 2, rims above upper CdC under pon derosa pine, H Galium bor?ale L. NORTHERN BEDSTRAW, N, 1, Castillejo applegatei subsp. martinii (Abrams) Chuang upper CdM, h rep as common, h308 & Heckard. DESERT INDIAN PAINTBRUSH, Galium triflorum Michx. FRAGRANT BEDSTRAW, N, 2?, through-out, B211 N, 1, hg, Whiskey Creek, h332 Castillejo angustifolia (Nutt.) G Don. NORTHWEST Galium wrightii Gray. WRIGHT BEDSTRAW, N, 4, ERN PAINTBRUSH, N, 0, lower cyns, hl65 through-out. Ba61 Castillejo integra Gray. SQUAWFEATHER, N, 2, up per rims >6800', h294 Salicaceae Castillejo linariifolia Benth. PAINT BRUSH, N, 2, cyns through-out, L45 Populus alba L. WHITE POPLAR, H, 1, Draper Castillejo minor (Gray) Gray. ALKALI INDIAN Ranch, end of road in CdM, B PAINTBRUSH, N, 0, near WH Ruin, R44 Populus angustifolia James. NARROWLEAF COT Cordylanthus wrightii Gray. WRIGHT BIRD'S TONWOOD, N, 2, cyns >6200', B BEAK, N, 2, rims >6400', R163 Populus deltoides subsp. wislizeni (S. Wats) Ecken Mimulus eastwoodiae Rydb. CRIMSON MONKEY walder. RIO GRANDE COTTONWOOD, N, 5, FLOWER, N, 3, hg through-out, B cyns through-out, B376 Mimulus glabratus Kunth. ROUND-LEAF MONKEY Populus fremontii S. Wats. FREMONT COTTON FLOWER, N, 2, upper cyns, r688 WOOD, H, 1, T, rl558 Mimulus guttatus DC. SEEP MONKEYFLOWER, N, Populus nigra L. LOMBARDY POPLAR, H, 1, 2, upper cyns, R164 Campground and VC, rl219 Mimulus rubellus Gray. LITTLE REDSTEM MON Populus tremuloides Michx. QUAKING ASPEN, N, KEYFLOWER, N, 1, rim above Black Rock Cyn, 3, cyns >6500', h355 r444

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Orthocarpus luteus Nutt. YELLOW OWLCLOVER, Tamaricaceae N, 0, head of MC, h549 Tamarix chinensis Lour. SALTCEDAR, E, 5, through Orthocarpus purpureoalbus Gray ex S. Wats. PUR out, L49 PLE OWLCLOVER, N, 3, upper rims & cyns, r642 Tamarix parviflora DC. SALTCEDAR, E, 5, only at canyon mouth, rll21 Pedicularis centranthera Gray. DWARF LOUSE WORT, N, 2, lower rims, h837 Ulmaceae Penstemon barbatus subsp. trichander (Gray) Keck. BEARDLIP PENSTEMON, N, 2, through-out, Celtis laevigata var. reticulata (Torr.) L. Benson. NE R165 TLEAF HACKBERRY, N, 3, lower cyns, B334 Penstemon comarrhenus Gray. DUSTY PENSTE Ulmus americana L. AMERICAN ELM, N, 0, CdC MON, N, 1, rim above CdM, h461 near mouth of Wild Cherry Cyn, h877 Penstemon lentus Pennell. HANDSOME PENSTE Ulmus pumila L. SIBERIAN ELM, E, 3, through-out, B MON, N, 1, CdM upstream of Middle Trail Cyn, r384 Urticaceae Penstemon linarioides Gray. CREEPING PENSTE Parietaria pensylvanica Muhl. ex Willd. PENNSYL MON, N, 3, mid-upper cyns & rims, h266 VANIA PELLITORY, N, 2, rock overhangs, up Penstemon ophianthus Pennell. ARIZONA BEARD per cyns, W TONGUE, N, 3, cyns & rims >6000\ h333 Urtica dioica subsp. gracilis (Ait.) Seland. STINGING Penstemon strictiformis Rydb. MANCOS PENSTE NETTLE, N, 2, cyns through-out, h437 MON, N, 1, lower Bat Cyn, r480 Penstemon strictus Benth. ROCKY MOUNTAIN Valerianaceae PENSTEMON, N, 2, sage flats >7000', C Penstemon virgatus Gray. UPRIGHT BLUE BEARD Valeriana acutiloba Rydb. CORDILLERAN VALE TONGUE, N, 1, uppermost MC >7000', h621 RIAN, N, 1, upper slopes & rims, rl52 Veronica americana Schwein. Ex Benth. AMERICAN SPEEDWELL, N, 2, through-out cyns, R166 Verbenaceae Veronica anagallis-aquatica L. WATER SPEED WELL, N, 3, through-out cyns, h70 Caryopteris X clandonensis hort. ex Rehd. CARYOP TERIS, H, 1, T, rl569 Veronica peregrina L. NECKWEED, N, probably ssp Verbena bracteata Lag. & Rodr. PROSTRATE VER xalapensis, D BENA, N, 3, disturbed sites lower cyns, R Veronica peregrina subsp. xalapensis (Kunth) Pennell. Verbena macdougalii Heller. MACDOUGAL VER NECKWEED, N, 2, through-out >6000\ r230 BENA, N, 2, disturbed sites, upper cyns & rims, Veronica serpyllifolia L. THYMELEAF SPEED h472 WELL, N, 1, upper CdM, r661 Violaceae Solanaceae Viola sororia Willd. COMMON BLUE VIOLET, N, 1, upper CdM & MC, h321 Chamaesaracha coronopus (Dunal) Gray. GREEN FALSE NIGHTSHADE, N, 2, through-out, R167 Viscaceae Datura wrightii Regel. SACRED DATURA, N, 2, lower cyns, B370 divaricatum Engelm. PINYON Lycium pallidum Miers. PALE WOLFBERRY, N, 2, DWARF MISTLETOE, N, 2?, middle rims, B250 lower cyns, B308 Phoradendron juniperinum Engelm.ex Gray. JUNI Nicotiana attenuata Torr, ex S. Wats. COYOTE TO PER MISTLETOE, N, 0, through-out, B233 BACCO, N, 0, through-out cyns, R47 Vitaceae Nicotiana obtusifolia var. obtusifolia Mertens & Gal eotti. DESERT TOBACCO, N, 2, lower cyns, Parthenocissus vitacea (Knerr) A.S. Hitchc. VIRGIN h655 IA CREEPER, N, 3, through-out, B358 Physalis hederifolia var. fendleri (Gray) Cronq. FEN Vitis arizonica Engelm. ARIZONA GRAPE, N, 3, DLER GROUNDCHERRY, N, 2, lower CdC, R48 cyns through-out, B Physalis hederifolia var. hederifolia Gray. IVYLEAF GROUND CHERRY, N, 1, upper Bat Cyn, Tunnel Zygophyllaceae Cyn, r927 Physalis longifolia Nutt. COMMON GROUND Kallstroemia californica (Wats.) Vail. CALIFORNIA CHERRY, N, 0, in field near Twin Tr, CdM, m CALTROP, N, 0, CdM downstream of Antelope House Ruin, h653 Solanum elaeagnifolium Cav. WHITE HORSENETTLE, Tribulus terrestris L. PUNCTUREVINE, E, 3, dis E, 3, disturbed sites, esp. lower cyns & rims, H turbed sites, lower cyns, h rep in NPS housing Solanum jamesii Torr. WILD POTATO, N, 2, through area, h701 out, h724 Solanum rostratum Dunal. BUFFALOBUR, N, 3, dis Agavaceae turbed sites, through-out, R470 Solanum triflorum Nutt. CUTLEAF NIGHTSHADE, Yucca angustissima Engelm. ex Trel. NARROWLEAF N, 2, upper cyns & rims, R YUCCA, N, 4, through-out, hl21

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Yucca baccata Torr. BANANA YUCCA, N, 4, Scirpus microcarpus J. & K. Presl. PANICLED BUL through-out, B219 RUSH, N, 2, upper CdM & at spring at top of Tr 124 in CdC, h325 Commelinaceae Scirpus pallidus (Britt.) Fern. PALE BULRUSH, N, 1, Wheatfields Cyn, rl340 Tradescantia occidentalis var. occidentalis (Britt.) Smyth. PRAIRIE SPIDERWORT, N, 2, lower Iridaceae cyns, R462 Tradescantia pinetorum Greene. PINEWOODS SPI missouriensis Nutt. ROCKY MOUNTAIN IRIS, DERWORT, N, 1?, upper rims>7000\ h638 N, 2, rim above upper MC, r541 Sisyrinchium demissum Greene. DWARF BLUE EYED GRASS, N, 2, wet places, upper cyns, Cyperaceae h281 Carex aurea Nutt. GOLDEN SEDGE, N, 3, hg through-out, r377 Juncaceae Carex chihuahuensis MacKenzie. CHIHUAHUAN Juncus balticus var. montanus Engelm. MOUNTAIN SEDGE, N, 1, hg mouth of Cottonwood Cyn; RUSH, N, 0, lower CdC, Ha rl358 Juncus bufonius L. TOAD RUSH, N, 2, through-out Carex duriuscola C. A. Mey. NEEDLELEAF SEDGE, cyns, h 145 N, 3, cyns through-out, r332 Juncus ensifolius Wikstr. SWORDLEAF RUSH, N, 2, Carex filifolia Nutt. THREADLEAF SEDGE, N, 1, CdM, hi86a Wide Rock Butte, W Juncus interior Wieg. INLAND RUSH, N, 2?, Pine Carex foenea var. foenea Willd. DRYSPIKE SEDGE, Tree Cyn, CdM, W N, 2, riparian sites through-out, B369 Juncus longistylis Torr. LONGSTYLE RUSH, N, 2, Carex geophila Mackenzie. WHITE MOUNTAIN upper cyns, r345 SEDGE, N, 1, upper CdC, rl54 Juncus mexicanus Willd. ex J.A.& J.H. Schultes. Carex Interior Bailey. INLAND SEDGE, N, 1?, upper MEXICAN RUSH, N, 2, rims and cyns >5900', Black Rock Cyn, r436 r231 Carex meadii Dewey. MEAD SEDGE, N, 1, hg above Juncus saximontanus A. Neis. ROCKY MOUNTAIN Coyote Cr; rl315 RUSH, N, 1, Antelope House Tr, h 186a Carex microptera MacKenzie. OVALHEAD SEDGE, Juncus tenuis Willd. FIELD RUSH, N, 2, rims and N, 0, upper CdM, h326 cyns >6200', r991 Carex nebrascensis Dewey. SEDGE, N, Juncus torreyi Coville. TORREY RUSH, N, 2, Tsaile 1, where road crosses Coyote Cr, rl255 Dam discharge area & hg in side cyn below WH Carex occidentalis Bailey. WESTERN SEDGE, N, 2, Ruin, W cyns through-out, h 185 Carex pachystachya Cham, ex Steud. CHAMISSO SEDGE, N, 1, upper CdM; r615 Carex pellita Muhl ex Willd. WOOLLY SEDGE, N, Allium bisceptrum var. palmeri (S. Wats.) Cronq. AS 2, mid-upper cyns >6200', h327 PEN ONION, N, 2, upper CdM, h920 Carex praegracilis W Boott. SLIM SEDGE, N, 2, Allium cernuum var. obtusum Cockerell ex J.F. Macbr. cyns through-out, rll63 NODDING ONION, N, 2, upper cyns & rims Carex specuicola J.T. Howell. NAVAJO SEDGE, N, >7000, h546 2, 4 hgs in CdM, r258 Allium geyeri Wats. GEYER'S ONION, N, 2, upper Carex vallicola Dewey. VALLEY SEDGE, N, 1, up CdC & rims >7000, h620 per cyns, r346 Allium gooddingii Ownbey. GOODDING'S ONION, Cyperus fendlerianus Boeckl. FENDLER'S FLAT N, 0, upper CdM, h471 SEDGE, N, 1, rocky S slope in upper Wheatfields Allium macropetalum Rydb. LARGEFLOWER ON Cr, r858 ION, N, 1, above pouroff on rim of Elephant Cyperus schweinitzii Torr. SAND FLAT SEDGE, N, Spring Cyn, rl419 1, E rim of Elephant Spring Cyn; rl421 Asparagus offlcinalis L. ASPARAGUS, E, 1, disturbed Cyperus squarrosus L. AWNED FLAT SEDGE, N, 1, sites, lower cyns, h 138 rim above jet of MC and CdC, rl428 aureus S. Wats. SEGO LILY, N, 3, rims Eleocharis engelmannii Steud. ENGELMANN'S SPI through-out, D KERUSH, N, 1, upper CdC; rl85 Calochortus gunnisonii S. Wats. GUNNISON'S MAR Eleocharis palustris (L.) Roemer & J.A. Schultes. IPOSA LILY, N, 2, rim above CdM, h311a COMMON SPIKERUSH, N, 3, through-out cyns, Disporum trachycarpum (S. Wats.) Benth. & Hook. f. hl76 ROUGHFRUIT FAIRYBELLS, N, 0, upper CdM, Schoenoplectus acutus var. acutus (Muhl. ex Bigelow) h269 A.& D. L?ve. HARDSTEM BULRUSH, N, 1, Echeandia1 flavescens (J.A. & J.H. Schultes) Cruden. km below Tsaile Dam in CdM, r614 TORREY'S CRAGLILY, N, 2, P-J rims above Schoenoplectus americanus (Pers.) Volk. Ex Schinz & CdC, rl416 R. Keller. AMERICAN BULRUSH, N, 3, Maianthemum racemosum (L.) Link. WESTERN through-out, H SOLOMON'S-SEAL, N, 2, mid cyn side cyns, Schoenoplectus pungens var. pungens (Vahl) Palla. h300 COMMON THREESQUARE, N, 2, through-out Maianthemum stellatum (L.) Link. FALSE SOLO cyns, r387 MON'S-SEAL, N, 2, mid cyn side cyns, h211

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Nolina microcarpa Wats. SACAHUISTA, H, 1, base Bromus arvensis L. FIELD BROME, E, 0, lower cyns, of Face Rock, h892 Ha Zigadenus paniculatus (Nutt.) S. Wats. FOOTHILL Bromus carinatus Hook. & Arn. MOUNTAIN DEATHCAMAS, N, 2, upper CdM & rims above BROME, N, 1, Crack in Rock Tr, CdM, r296 CdM, h312 Bromus ciliatus L. FRINGED BROME, N, 2, MC, Zigadenus vaginatus (Rydb.) Macbr. SHEATHED h619 DEATHCAMAS, N, 2, 4 hgs in CdC & at Jet, Bromus commutatus Schrad. HAIRY CHESS, E, 2, rl312 upper CdM; r646 Bromus frondosus (Shear) Woot. & Standl. WEEPING Orchidaceae BROME, N, 0, upper CdC, h540 Bromus inermis Leyss. SMOOTH BROME, N, 2, Epipactis gigantea Dougl. ex Hook. STREAM OR Whiskey Cr, r676 CHID, N, 3, hgs through-out, Bu717 Bromus japonicus Thunb. ex Murr. JAPANESE BROME, E, 2, lower cyns, D Poaceae Bromus marginatus N?es ex Steud. MOUNTAIN Achnatherum lettermanii (Vasey) Barkworth. LET BROME, N, 0, Far Spiral Cyn, h583 TERMAN NEEDLEGRASS, N, 1, Gopher Spring Bromus racemosus L. BALD BROME, E, 1, near area, MC, r910 mouth of cyn; ri 272 Achnatherum hymenoides (Roemer & J.A. Schultes) Bromus rigidus Roth. RIPGUT BROME, E, 4, lower Barkworth. INDIAN RICE GRASS, N, 3, lower cyns, H rep at Antelope House Ruin, h723 cyns & rims, B254 Bromus rubens L. RED BROME, E, 1, lower cyns, F Achnatherum scribneri (Trin. & Rupr.) Barkworth. Bromus tectorum L. CHEAT GRASS, E, 4, through SCRIBNER NEEDLEGRASS, N, 1, mesa above out, B344 Wheatfields Cyn, r890 Calamagrostis stricto subsp. stricto (Timm.) Koel. Achnatherum speciosum (Trin. & Rupr.) Barkworth. SLIMSTEM REEDGRASS, N, 1, Whiskey Cr, DESERT NEEDLEGRASS, N, 2, lower CdM, D r683 Agropyron desertorum (Fisch, ex Link) J.A. Schultes. Cenchrus longispinus (Hack.) Fern. BURGRASS, N, DESERT WHEATGRASS, E, 2, rims >6900, 0, lower cyns, h h330 Cenchrus spinifex Cav. FIELD SANDBUR, N, 2, dis Agrostis exarata Trin. SPIKE BENTGRASS, N, 0, up turbed sites, lower cyns, L30 per CdM, h492 Chloris verticillata Nutt. WINDMILLGRASS, N, 2, Agrostis gigantea Roth. REDTOP, E, 2, through-out, lower cyns, B364 Bu779 Chloris virgata Sw. FEATHER WINDMILL GRASS, Agrostis scabra Willd. ROUGH BENTGRASS, N, 0, E, 1, campground, rl552 upper MC, h627 Cynodon dactylon (L.) Pers. BERMUDAGRASS, E, Agrostis stolonifera L. REDTOP, N, 2, near cyn 2, disturbed sites, lower cyns; h rep as common, mouth, rl354 hl62 Alopecurus aequalis Sobol. SHORT FOXTAIL, N, 2, Dactylis glomerata L. ORCHARDGRASS, E, 2, upper CdM >6800\ h310 through-out, D Apera interrupta (L.) Beauv. SILKY BENTGRASS, Dichanthelium acuminatum var. fasciculatum (Torr.) E, 2, through-out cyns; r245 Freckmann. WESTERN PANICGRASS, N, 2, Aristida purpurea var. fendleriana (Steud.) Vasey. through-out cyns, r684 FENDLER 3-AWN, N, 3, lower rims, B300 Distichlis spicata (L.) Greene. SALTGRASS, N, 3, be Aristida purpurea var. longiseta (Steud.) Vasey. FEN low Jet, L31 DLER 3-AWN, N, 3, lower cyns & rims, B386 Echinochloa crus-galli (L.) Beauv. BARNYARD Aristida schiedeana var. orcuttiana (Vasey) Allred & GRASS, E, 0, h rep as common through-out, h536 Vald?s-Reyna. ORCUTT'S 3-AWN, N, 2, lower Elymus canadensis L. CANADA WILDRYE, N, 2, cyns <6500', r772 through-out cyns, h412 Avena fatua L. WILD OATS, E, 2, lower cyns, rl956 Elymus elymoides subsp. brevifolius (J.G. Sm.) Bark Beckmannia syzigachne (Steud.) Fern. SLOUGH worth, comb. nov. ined. SQUIRRELTAIL, N, 3, GRASS, N, 1, Wheatfields Creek, rl325 through-out, B205 Blepharoneuron tricholepis (Torr.) Nash. PINE DROP Elymus trachycaulus subsp. trachycaulus (Link) Gould SEED, N, 2, rims>6800\ r943 ex Shinners. SLENDER WHEATGRASS, N, 2, Bothriochloa barbinodis (Lag.) Heiter. CANE BLUE through-out, B STEM, N, 2, lower cyns, h506 Enneapogon desvauxii Desv. ex Beauv. FEATHER Bouteloua aristidoides (Kunth) Griseb. NEEDLE PAPPUSGRASS, N, 1, lower rims, rl463 GRAMA, N, 2, lower cyns; rl472 Eragrostis cilianensis (All.) Vign. ex Janchen. LOV Bouteloua barbota Lag. SIXWEEKS GRAMA, N, 2, EGRASS, E, 2, cyns through-out, W lower cyns<6000\ r937 Eragrostis mexicana (H?rnern.) Link. Mexican LOV Bouteloua curtipendula (Michx.) Torr. SIDE OATS EGRASS, N, 2, lower cyns & rims, rl406 GRAMA, N, 3, through-out, L29 Eragrostis pectinacea (Michx.) Nees ex Steud. PUR Bouteloua eriopoda (Torr.) Torr. BLACK GRAMA, N, PLE LOVEGRASS, N, 2, lower cyns & rims 2, mid cyns, rll03 <6800', H Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths. Eremopyrum triticeum (Gaertn.) Nevski. ANNUAL BLUE GRAMA, N, 5, through-out, B206 WHEATGRASS, E, 1, campground, rl93 Bromus anomalus Rupr. ex Fourn. NODDING Erioneuron pilosum (Buckl.) Nash. HAIRY TRI BROME, N, 1, Wheatfields Cr, r822 DENS, N, 0, S Rim near Wild Cherry Cyn, B377

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Glyceria striata (Lam.) A.S. Hitchc. FOWL MAN Panicum capillare L. WITCHGRASS, N, 2, through NAGRASS, N, 2, upper cyns >6500', h307 out, h608 Hesperostipa comata subsp. comata (Trin. & Rupr.) Panicum obtusum Kunth. VINE MESQUITE, N, 1, Barkworth. NEEDLE AND THREAD, N, 2, lower CdM, rl532 through-out, B Pascopyrum smithii (Rydb.) A. L?ve. WESTERN Hesperostipa neomexicana (Thurb. ex Coult.) Bark WHEATGRASS, N, 3, through-out, D worth. NEW MEXICO NEEDLEGRASS, N, 2, Phragmites australis (Cav.) Trin. ex Steud. COMMON through-out, B299 REED, N&H, 3, lower cyns, H Hordeum jubatum L. LITTLE BARLEY, N, 2, dis Piptatherum micranthum (Trin. & Rupr.) Barkworth. turbed sites, lower cyns, Ha LITTLESEED RICEGRASS, N, 2, slopes Hordeum murinum subsp. glaucum (Steud.) Tzvelev. >7000', D SMOOTH BARLEY, E, 3, disturbed sites, lower Pleur aphis jamesii Torr. GALLETA, N, 3, through-out, cyns, r300 Ha Hordeum murinum subsp. leporinum (Link) Arcang. Poa annua L. ANNUAL BLUE GRASS, E, 1, SE arm LEPOR BARLEY, E, 0, H rep as common in low of MC, r514 er cyns, h40 Poa bulbosa L. BULBOUS BLUE GRASS, E, 1, low Hordeum pusillum Nutt. HARE BARLEY, N, 3, lower er cyns, r244 cyns, B298 Poa compressa L. FLATSTEM BLUEGRASS, N, 3, Koeleria macrantha (Ledeb.) J.A. Schultes. JUNE cyns through-out, h 109 GRASS, N, 3, upper rims>7000', h304 Poa fendleriana (Steud.) Vasey. MUTTON GRASS, Leptochloa fusca subsp. fascicularis (Lam.) N. Snow. N, 4, through-out, h3 BEARDED SPRANGLETOP, N, 1, campground; Poa glauca Vahl. GLAUCOUS BLUEGRASS, N, 0, stock pond above Pine Tree Cyn, rl514 fence at Newspaper Rock, h 183 Lolium arundinaceum (Schreb.) S.J. Darbyshire. Poa nemoralis L. FOREST BLUE GRASS, N, 1, up TALL FESCUE, E, 2, through-out, h per Black Rock Cyn, r434 Lolium pratense (Huds.) S.J. Darbyshire. MEADOW L. KENTUCKY BLUEGRASS, N&E, FESCUE, E, 2, upper cyns, h328 3, through-out, D Lycurus phleoides Kunth. WOLFTAIL, N, 2, lower Poa secunda J. Presl. BIG BLUEGRASS, N, 0, near rims <6000', H mouth of cyn, H Monroa squarrosa (Nutt.) Torr. FALSE BUFFALO Polypogon interruptus Kunth. DITCH POLYPOGON, GRASS, N, 2, rims through-out, h874 E, 3, lower cyns, B309 Muhlenbergia andina (Nutt.) A.S. Hitchc. FOXTAIL Polypogon monspeliensis (L.) Desf. RAB MUHLY, N, 2, hg in lower cyns, r381 BIT'SFOOTGRASS, E, 2, lower cyns, Ha Muhlenbergia arsenei A.S. Hitchc. NAVAJO MUHLY, Polypogon viridis (Gouan) Breistr. WATER BENT N, 1, rim above Elephant Spring Cyn, rl420 GRASS, E, 2, through-out CdM, h423 Muhlenbergia asperifolia (Nees & Mey.) Parodi. AL Puccinellia distans (Jacq.) Pari. SPREADING AL KALI MUHLY, N, 2, through-out, h 128 KALI GRASS, N, 3, mid-lower cyns, h Muhlenbergia curtifolia Scribn. LOW MUHLY, N, 3, Puccinellia fasciculata (Torr.) Bickn. SALTGRASS hg <6000\ h614 ALKALIGRASS, N, 1, lower cyns; rll32 Muhlenbergia depauperata Scribn. SIXWEEKS Puccinellia nuttalliana (J. A. Schultes) Hitch. NUT MUHLY, N, 2, middle rims, rl412 TALL ALKALIGRASS, N, 2, lower cyns, hl31 Muhlenbergia filiformis (Thurb. ex S. Wats.) Rydb. Schedonnardus paniculatus (Nutt.) Trel. TUMBLE PULLUP MUHLY, N 1, Coyote Cr, rl300 GRASS, N, 1, sage flats above Wheatfields Cyn, Muhlenbergia minutissima (Steud.) Swallen. ANNU rl032 AL MUHLY, N, 2, through-out?, rl444 Schizachyrium scoparium (Michx.) Nash. LITTLE Muhlenbergia (Nutt.) Hitchc. MOUNTAIN BLUESTEM, N, 3, through-out, h558 MUHLY, N, 2, rims >6800', r859 Setaria macrostachys H. B. K. BRISTLEGRASS, N, Muhlenbergia pauciflora Buckl. NEW MEXICO 1, Crack in Rock Tr, r472 MUHLY, N, 3, slopes <6500', r415 Setaria viridis (L.) Beauv. BOTTLE GRASS, E, 2, Muhlenbergia peruviana (Beauv.) Steud. PERUVIAN VC, campground & T, W MUHLY, N, 0, mouth of Black Rock Cyn, h442 Sorghastrum nutans (L.) Nash. INDIANGRASS, N, 1, Muhlenbergia porteri Scribn. ex Beal. BUSH MUH hgs in CdC >6200\ rl311 LY, N, 1, lower CdC, likely more common, rl520 Spartina gracilis Trin. ALKALI CORDGRASS, N, 1, Muhlenbergia pungens Thurb. SANDHILL MUHLY, lower CdC, V99-301 N, 0, lower rims, R732 Sphenopholis obtusata (Michx.) Scribn. PRAIRIE Muhlenbergia racemosa (Michx.) B.S.P. GREEN WEDGEGRASS, N, 0, seep at top of Antelope MUHLY, N, 3, mid cyns, h681 House Tr, h363 Muhlenbergia repens (J. Presl) A.S. Hitchc. CREEP Sporobolus airoides (Torr.) Torr. ALKALI SACATON, ING MUHLY, N, 1, upper CdC; rl65 N, 3, lower cyns & rims, B Muhlenbergia thurberi Rydb. Thurber. THURBER Sporobolus contractus A.S. Hitchc. SPIKE DROP MUHLY, N, 2, hg, mid cyns, r917 SEED, N, 2, mid-lower cyns, rl372 Muhlenbergia wrightii Vasey ex Coult. SPIKE MUH Sporobolus cryptandrus (Torr.) Gray. SAND DROP LY, N, 3, sage flats >7000\ h632 SEED, N, 2, upper slopes & rims, Cu Nassella viridula (Trin.) Barkworth. GREEN NEED Sporobolus flexuosus (Thurb. ex Vasey) Rydb. MESA LEGRASS, N, 1, head of Whiskey Cr, rl318 DROPSEED, N, 2, lower cyns, rl461 Panicum bulbosum Kunth. PANICGRASS, N, Sporobolus giganteus Nash. GIANT DROPSEED, N, 1, CdC & its rims, r911 1, sandy site at mouth of Cottonwood Cyn, rl363

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Stipa lettermannii Vasey. NEEDLEGRASS, N, 1, rim Vulpia octoflora var. hirtella (Piper) Henr. SIX above upper CdC, ri251 WEEKS FESCUE, N, 2, through-out, D Thinopyrum intermedium (Host) Barkworth & D.R. Zea mays L. CORN, H, 5, lower cyns & rims, W Dewey. INTERMEDIATE WHEATGRASS, E, 1, Tsaile Lake discharge area, ri484 Potamogetonaceae Thinopyrum ponticum (Podp.) Z.-W Liu & R.-C. Potamoget?n foliosus Raf. LEAFY POND WEED, N, Wang. RUSH WHEATGRASS, E, 1, Tsaile Lake 1, Tsaile Lake discharge area, rl478 discharge area, W Torreyochloa pallida var. pauciflora (J. Presl) J.I. Da Typhaceae vis. PALE FALSE MANNAGRASS, N, 1, Tsaile Typha angustifolia L. NARROWLEAF CATTAIL, E, Lake discharge area, ri267 0, end of road in Black Rock Cyn, F(CACH) Vulpia myuros (L.) K.C. Gmel. FOXTAIL FESCUE, Typha latifolia L. BROADLEAF CATTAIL N, 2, cyns E, 2, through-out, rl278 through-out, h453

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