Search Results — 2000 specimen records retrieved (1564 records with coordinates)
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Results for search: County=INYO; Source=All; Collector=Roos;   

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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC100571  Brickellia longifolia var. multiflora John Roos; Lucille Roos 1947-9-18 2792 Inyo Wild Rose Canyon at Wild Rose Station, Panamint Mts. 1066 Comment
  CAS-BOT-BC100578  Brickellia longifolia var. multiflora J. C. Roos; A. R. Roos 1953-8-14 6032 Inyo Mazourka Canyon, Inyo Mts. 1767 Comment
  CAS-BOT-BC100620  Brickellia oblongifolia var. linifolia John Roos; Lucille Roos 1947-7-15 2868 Inyo Wild Rose Canyon, Panamint Mts. 2133 Comment
  CAS-BOT-BC100631  Brickellia oblongifolia var. linifolia J. C. Roos; A. R. Roos 1953-8-10 5982 Inyo branch of Mazourka Canyon, Inyo Mts. 2560 Comment
  CAS-BOT-BC100738  Chrysothamnus viscidiflorus subsp. puberulus J. C. Roos; A. R. Roos 1955-8-24 6542 Inyo Last Chance Mts. 1 mile NE of Willow Spring 1859 Comment
  CAS-BOT-BC100739  Chrysothamnus viscidiflorus subsp. puberulus J. C. Roos 1955-7-21 6478 Inyo ridge of Last Chance Mountains 2.5 miles south of Willow Spring 2316 Comment
  CAS-BOT-BC100809  Chrysothamnus viscidiflorus subsp. viscidiflorus J. C. Roos; A. R. Roos 1955-8-25 6544 Inyo along California-Nevada boundary 2 miles NE of Willow Spring, Last Chance Mts. 2072 Comment
  CAS-BOT-BC105926  Chrysothamnus viscidiflorus subsp. viscidiflorus John Roos; Lucille Roos 1947-9-19 2800 Inyo Between Telescope and Baldy Peaks, Panamint Mts. 3048 Comment
  CAS-BOT-BC105966  Chrysothamnus viscidiflorus subsp. viscidiflorus J. C. Roos 1961-10-22 s.n. Inyo Loretto Road, near Loretto Mine, east side of the Inyo Mtns. Comment
  CAS-BOT-BC105967  Chrysothamnus viscidiflorus subsp. viscidiflorus J. C. Roos; A. R. Roos 1955-8-26 6553 Inyo North shoulder Waucoba Mt. - Inyo Mts. 3200 Comment
  CAS-BOT-BC105974  Chrysothamnus viscidiflorus subsp. viscidiflorus John Roos; Lucille Roos 1951-8-8 5113 Inyo southeast rim Reed Flat, White Mts. 3078 Comment
  CAS-BOT-BC105975  Chrysothamnus viscidiflorus subsp. viscidiflorus John Roos; Lucille Roos 1947-9-19 2794 Inyo N.E. ridge of Telescope Peak, Panamint Mts. 3048 Comment
  CAS-BOT-BC106008  Chaetadelpha wheeleri John C. Roos 1955-5-13 6364 Inyo West side Eureka Valley at mouth of Marble Canyon 1036 Comment
  CAS-BOT-BC106010  Chaetadelpha wheeleri J. C. Roos; A. R. Roos 1954-8-13 6208 Inyo Southeast end Eureka Valley 944 Comment
  CAS-BOT-BC106011  Chaetadelpha wheeleri John C. Roos 1955-5-13 6357 Inyo Southeast end Eureka Valley 975 Comment
  CAS-BOT-BC106012  Chaetadelpha wheeleri John C. Roos 1955-5-13 6357 Inyo Southeast end Eureka Valley 975 Comment
  CAS-BOT-BC106013  Chaetadelpha wheeleri John C. Roos 1955-5-13 3664 Inyo West side Eureka Valley at mouth of Marble Canyon 1036 Comment
  CAS-BOT-BC110320  Kochia americana John Roos; Lucille Roos 1947-7-15 2866 Inyo Darwin Mesa. 1524 Comment
  CAS-BOT-BC110326  Nitrophila mohavensis J. C. Roos; A. R. Roos 1954-6-13 6140 Inyo Amargosa Desert 3 miles northeast of Death Valley Junction along Ash Meadows road. 624 Comment
  CAS-BOT-BC110329  Nitrophila mohavensis John Roos; Lucille Roos 1954-9-14 6234 Inyo Amargosa Desert 3 miles northeast of Death Valley Junction along Ash Meadows road. 624 Comment
  CAS-BOT-BC110331  Nitrophila mohavensis John C. Roos 1954-7-18 6194 Inyo Amargosa Desert 3 miles northeast of Death Valley Junction along Ash Meadows road. 624 Comment
  CAS-BOT-BC110332  Nitrophila mohavensis John C. Roos 1954-7-18 6194 Inyo Amargosa Desert 3 miles northeast of Death Valley Junction along Ash Meadows road. 624 Comment
  CAS-BOT-BC127626  Brickellia microphylla var. microphylla J. C. Roos; A. R. Roos 1953-8-14 6029 Inyo Al Rose Canyon, Inyo Mts. 2133 Comment
  CAS-BOT-BC127658  Brickellia microphylla var. microphylla J. C. Roos; A. R. Roos 1955-8-23 6526 Inyo dry rocky canyon along Loretto road 2 miles S.W. of Loretto mine, east slope Inyo Mts. 1676 Comment
  CAS-BOT-BC130882  Cuniculotinus gramineus J. C. Roos; A. R. Roos 1953-8-9 5945 Inyo Tamarack Canyon, Inyo Mts. 2743 Comment
  CAS-BOT-BC130884  Cuniculotinus gramineus J. C. Roos; A. R. Roos 1953-8-8 5935 Inyo On hill behind Blue Bell Mine, Badger Flat, Inyo Mts. 2895 Comment
  CAS-BOT-BC131489  Ericameria albida J. C. Roos; A. R. Roos 1954-8-15 6224 Inyo Lower Warm Spring, Saline Valley 426 Comment
  CAS-BOT-BC131491  Ericameria albida John Roos; Lucille Roos 1953-10-31 6034 Inyo Amargosa River bed 3 miles south of Shoshone 441 Comment
  CAS-BOT-BC131494  Ericameria albida John Roos; Lucille Roos 1953-10-31 6034 Inyo Amargosa River bed 3 miles south of Shoshone 441 Comment
  CAS-BOT-BC131496  Ericameria albida John Roos; Lucille Roos 1954-9-14 6235 Inyo Amargosa Desert 2.5 miles NE of Death Valley Junction along Ash Meadows road 624 Comment
  CAS-BOT-BC131497  Ericameria albida J. C. Roos; A. R. Roos 1954-8-15 6224 Inyo Lower Warm Spring, Saline Valley 426 Comment
  CAS-BOT-BC135924  Allium atrorubens var. cristatum J. C. Roos 1955-6-19 6439 Inyo Last Chance Mountains 3 mi. south of Willow Spring. 2286 Comment
  CAS-BOT-BC136946  Cercocarpus ledifolius var. intricatus J. C. Roos; A. R. Roos 1953-8-10 5975 Inyo Mazourka Canyon, Inyo Mts. 2468 Comment
  CAS-BOT-BC136948  Cercocarpus ledifolius var. intricatus J. C. Roos; A. R. Roos 1953-8-10 5975 Inyo Mazourka Canyon, Inyo Mts. 2468 Comment
  CAS-BOT-BC136958  Cercocarpus ledifolius var. intricatus J. C. Roos 1955-6-19 6452 Inyo Summit ridge of Last Chance Mountains 2 miles west of Last Chance Spring 2560 Comment
  CAS-BOT-BC140501  Petrophytum caespitosum J. C. Roos; A. R. Roos 1955-8-26 6550 Inyo Canyon on east side of saddle between Squaw Peak and Wacoba Mt. Inyo Mts. 2682 Comment
  CAS-BOT-BC140533  Physocarpus alternans John Roos; Lucille Roos 1952-7-28 5842 Inyo Wyman Canyon, White Mts. 2682 Comment
  CAS-BOT-BC140534  Physocarpus alternans John Roos; Lucille Roos 1952-7-28 5842 Inyo Wyman Canyon, White Mts. 2682 Comment
  CAS-BOT-BC140538  Physocarpus alternans J. C. Roos 1965-7-10 s.n. Inyo Eagle Springs, Panamint Mtns. Comment
  CAS-BOT-BC141751  Chamaebatiaria millefolium John Roos; Lucille Roos 1951-8-12 5188 Inyo 1 1/2 miles south of Reed Flat, White Mts. 2895 Comment
  CAS-BOT-BC143019  Amelanchier utahensis John Roos; Lucille Roos 1947-7-12 2832 Inyo Thorndyke's Spring, Wild Rose Canyon - Panamint Mts. 2164 Comment
  CAS-BOT-BC143780  Purshia stansburyana John Roos; Lucille Roos 1947-7-14 2879 Inyo Mahogany Flats, Panamint Mts. 2468 Comment
  CAS-BOT-BC143783  Purshia stansburyana J. C. Roos 1955-7-21 6492 Inyo 1 mile south of Willow Spring, Last Chance Mountains 2072 Comment
  CAS-BOT-BC143786  Purshia stansburyana John C. Roos 1955-5-13 6342 Inyo West base Last Chance Mts. east of Eureka Valley sand dunes 1219 Comment
  CAS-BOT-BC148490  Cercocarpus ledifolius var. ledifolius J. C. Roos; A. R. Roos 1953-8-13 6009 Inyo Tamarack Canyon, Inyo Mts. 2743 Comment
  CAS-BOT-BC151766  Diplacus mephiticus John Roos; Lucille Roos 1952-7-28 5846 Inyo Wyman Canyon, White Mts. 2621 Comment
  CAS-BOT-BC154311  Phacelia peirsoniana John Roos; Lucille Roos 1952-7-31 5878 Inyo N.W. of Cedar Flat, White Mts. 2438 Comment
  CAS-BOT-BC159760  Prunus andersonii J. C. Roos 1955-6-20 6457 Inyo Near Willow Spring, Last Chance Mountains 1828 Comment
  CAS-BOT-BC170653  Atriplex canescens subsp. canescens John Roos; Lucille Roos 1953-11-2 6041 Inyo Dry alkaline flat 0.2 miles N.e. of Tecopa 441 Comment
  CAS-BOT-BC173880  Ribes velutinum John C. Roos 1955-5-15 6368 Inyo 0.5 miles west of Willow Spring, Last Chance Mts. 1767 Comment
  CAS-BOT-BC173883  Ribes velutinum J. C. Roos 1965-7-10 s.n. Inyo Near Telescope Peak, Panamint Mts. Comment
  CAS-BOT-BC176482  Atriplex polycarpa J. C. Roos; A. R. Roos 1954-8-13 6205 Inyo West base of sand dunes, Eureka Valley 914 Comment
  CAS-BOT-BC178215  Astragalus kentrophyta J. C. Roos; A. R. Roos 1953-8-9 5952 Inyo Tamarack Canyon, Inyo Mts. 3048 Comment
  CAS-BOT-BC178793  Astragalus calycosus J. C. Roos; A. R. Roos 1953-8-9 5958 Inyo Near head of Tamarack Canyon, Inyo Mts. 3048 Comment
  CAS-BOT-BC181688  Eremogone kingii var. glabrescens J. C. Roos; A. R. Roos 1953-8-11 5997 Inyo 2 1/2 miles east of Blue Bell Mine 2987 Comment
  CAS-BOT-BC181724  Eremogone kingii var. glabrescens J. C. Roos; A. R. Roos 1953-8-9 5954 Inyo North slope near head of Tamarack Canyon, Inyo Mts. 3048 Comment
  CAS-BOT-BC186596  Astragalus oophorus var. oophorus J. C. Roos; A. R. Roos 1953-8-11 5987 Inyo 2 miles east of Blue Bell Mine, Inyo Mts. 2865 Comment
  CAS-BOT-BC186870  Astragalus gilmanii John Roos; Lucille Roos 1947-7-13 2887 Inyo Arcane Meadows, Panamint Mts. 3048 Comment
  CAS-BOT-BC186938  Astragalus inyoensis John C. Roos 1955-5-15 6371 Inyo 0.5 miles west of Willow Spring. Last Chance Mts. 1767 Comment
  CAS-BOT-BC187309  Astragalus lentiginosus var. micans John C. Roos 1955-5-13 6354 Inyo SE end Eureka Valley 929 Comment
  CAS-BOT-BC187900  Aliciella ripleyi John Roos; Lucille Roos 1954-5-8 6105 Inyo Titus Canyon, Grapevine Mountains 1280 Comment
  CAS-BOT-BC189342  Cryptantha circumscissa J. C. Roos 1955-6-17 6406 Inyo 2 miles NE of Willow Spring, Last Chance Mountains 2011 Comment
  CAS-BOT-BC191760  Chorizanthe brevicornu var. spathulata J. C. Roos 1955-6-20 6459 Inyo Last Chance Mountains 2 miles NE of Willow Spring 1950 Comment
  CAS-BOT-BC192811  Astragalus platytropis J. C. Roos; A. R. Roos 1953-8-9 5961 Inyo Near head of Tamarack Canyon, Inyo Mts. 3078 Comment
  CAS-BOT-BC192812  Astragalus platytropis J. C. Roos 1955-7-21 6481 Inyo On north slope Whitetop Peak, Last Chance Mountains 2499 Comment
  CAS-BOT-BC196616  Lupinus argenteus var. palmeri John Roos; Lucille Roos 1951-8-8 5109 Inyo North rim Reed Flat, White Mts. 3169 Comment
  CAS-BOT-BC199558  Tridens muticus var. muticus John C. Roos 1955-5-13 6339 Inyo West base Last Chance Mts., east of Eureka Valley sand dunes 1219 Comment
  CAS-BOT-BC202054  Lupinus holmgrenianus J. C. Roos 1955-6-17 6407 Inyo 2 miles NE of Willow Spring, Last Chance Mountains 2011 Comment
  CAS-BOT-BC203848  Elymus X hansenii John Roos; Lucille Roos 1951-8-8 5094 Inyo Head of Wyman Canyon, White Mts. 3169 Comment
  CAS-BOT-BC211140  Lomatium foeniculaceum subsp. inyoense J. C. Roos; A. R. Roos 1955-8-26 6554 Inyo Summit and north shoulder W ucoba [Waucoba] Mt., Inyo Mts. 3383 Comment
  CAS-BOT-BC211144  Lomatium foeniculaceum subsp. inyoense John Roos; Lucille Roos 1954-6-24 6149 Inyo Crest of Inyo Mts. 3 miles east of Badger Flat in headwaters of Marble Canyon Watershed 3169 Comment
  CAS-BOT-BC213916  Nitrophila mohavensis J. C. Roos; A. R. Roos 1954-6-13 6140 Inyo open flats of Amargosa Desert 3 miles NE of Death Valley Junction along Ash Meadows road 624 Comment
  CAS-BOT-BC216440  Achnatherum aridum J. C. Roos 1955-5-13 6346 Inyo W base, Last Chance Mountains, E of the Eureka Valley Sand Dunes 1280 Comment
  CAS-BOT-BC216561  Oxytropis borealis var. australis J. C. Roos; A. R. Roos 1955-8-26 6557 Inyo Summit Waucoba Mountain, Inyo Mountains 3383 Comment
  CAS-BOT-BC216826  Achnatherum occidentale J. C. Roos 1955-6-21 6462 Inyo N slope, Last Chance Mountains, 2 miles NE of Willow Spring 1950 Comment
  CAS-BOT-BC216827  Achnatherum occidentale J. C. Roos; A. R. Roos 1955-8-26 6556 Inyo N shoulder, Waucoba Mountain, Inyo Mountains 3352 Comment
  CAS-BOT-BC217584  Galium hypotrichium subsp. tomentellum John Roos; Lucille Roos 1947-7-13 2876 Inyo Telescope Peak, Panamint Mountains 3261 Comment
  CAS-BOT-BC218000  Achnatherum webberi John Roos; Lucille Roos 1952-7-25 5819 Inyo Between Westgard Pass and Reed Flat, White Mountains 2438 Comment
  CAS-BOT-BC218069  Achnatherum pinetorum J. C. Roos; A. R. Roos 1953-8-8 5939 Inyo Badger Flat 2651 Comment
  CAS-BOT-BC218077  Achnatherum pinetorum J. C. Roos; A. R. Roos 1954-6-12 6132 Inyo Ridge between Wild Rose and Trail Canyons, 1 mile ESE of Wild Rose Peak, Panamint Mountains 2499 Comment
  CAS-BOT-BC218078  Achnatherum pinetorum J. C. Roos; A. R. Roos 1954-6-12 6136 Inyo N face Wild Rose Peak, Panamint Mountains 2682 Comment
  CAS-BOT-BC218081  Achnatherum pinetorum John Roos; Lucille Roos 1951-8-9 5121 Inyo N rim Reed Flat, White Mountains 3139 Comment
  CAS-BOT-BC218361  Frasera albomarginata J. C. Roos 1955-6-19 6437 Inyo 2.5 miles south of Willow Spring, Last Chance Meadow 2316 Comment
  CAS-BOT-BC220787  Salvia dorrii var. dorrii J. C. Roos 1955-7-21 6488 Inyo Whitetop Peak, summit Last Chance Mountains 2560 Comment
  CAS-BOT-BC220788  Salvia dorrii var. dorrii J. C. Roos; A. R. Roos 1953-8-9 5947 Inyo Tamarack Canyon, Inyo Mts. 2682 Comment
  CAS-BOT-BC220797  Salvia dorrii var. dorrii John Roos; Lucille Roos 1952-7-30 5859 Inyo East side Reed Flat, White Mts. 3078 Comment
  CAS-BOT-BC221888  Swallenia alexandrae John C. Roos 1955-5-13 6352 Inyo Southeast end Eureka Valley 944 Comment
  CAS-BOT-BC221890  Swallenia alexandrae John Roos; Lucille Roos 1954-6-28 6175 Inyo At SE end Eureka Valley 929 Comment
  CAS-BOT-BC221893  Swallenia alexandrae John Roos; Lucille Roos 1954-6-28 6175 Inyo At SE end Eureka Valley 929 Comment
  CAS-BOT-BC221903  Swallenia alexandrae John C. Roos 1955-5-13 6352 Inyo Southeast end Eureka Valley 944 Comment
  CAS-BOT-BC227386  Elymus elymoides John Roos; Lucille Roos 1947-7-13 2890 Inyo Arcane Meadows, Panamint Mts. 3017 Comment
  CAS-BOT-BC233722  Buddleja utahensis John C. Roos 1955-5-13 6335 Inyo West base Last Chance Mts., east of Eureka Valley sand dunes 1219 Comment
  CAS-BOT-BC233723  Buddleja utahensis John C. Roos 1955-5-13 6335 Inyo West base Last Chance Mts., east of Eureka Valley sand dunes 1219 Comment
  CAS-BOT-BC235437  Sporobolus cryptandrus J. C. Roos; A. R. Roos 1955-8-23 6532 Inyo Canyon at west base Last Chance Mts. east of Eureka Valley sand dunes 1219 Comment
  CAS-BOT-BC235439  Sporobolus cryptandrus J. C. Roos; E. C. Jaeger 1955-7-23 6517 Inyo Saline Valley below mouth of Hunter Canyon 350 Comment
  CAS-BOT-BC238192  Cordylanthus tecopensis J. C. Roos; A. R. Roos 1950-8-7 4929 Inyo Tecopa Hot Springs 426 Comment
  CAS-BOT-BC238193  Cordylanthus tecopensis John Roos; Lucille Roos 1954-9-14 6231 Inyo Flats along Margosa River bottom 3 miles south of Shoshone 432 Comment
  CAS-BOT-BC238194  Cordylanthus tecopensis J. C. Roos; R. Weatherby 1949-9-3 3569 Inyo Tecopa Hot Springs, Mojave Desert 426 Comment
  CAS-BOT-BC238198  Cordylanthus tecopensis John Roos; Lucille Roos 1954-9-14 6231 Inyo Flats along Amargosa River bottom 3 miles south of Shoshone 432 Comment
  CAS-BOT-BC238199  Cordylanthus tecopensis J. C. Roos; R. Weatherby 1949-9-3 3569 Inyo Tecopa Hot Springs, Mojave Desert 426 Comment
  CAS-BOT-BC238200  Cordylanthus tecopensis John Roos; Lucille Roos 1953-10-31 6033 Inyo Open flats along Amargosa River 3 miles south Shoshone 441 Comment
  CAS-BOT-BC238203  Cordylanthus tecopensis J. C. Roos; A. R. Roos 1954-6-13 6139 Inyo Amargosa Desert 3 miles NE of Death Valley Junction, along Ash Meadows road 624 Comment
  CAS-BOT-BC238204  Cordylanthus tecopensis John Roos; Lucille Roos 1953-11-1 6035 Inyo Flats of Amargosa Desert 3 miles N.E. of Death Valley Junction, on Ash Meadows Road 624 Comment
  CAS-BOT-BC238205  Cordylanthus tecopensis J. C. Roos; A. R. Roos 1954-6-13 6139 Inyo Amargosa Desert 3 miles NE of Death Valley Junction, along Ash Meadows road 624 Comment
  CAS-BOT-BC238252  Keckiella rothrockii J. C. Roos; A. R. Roos 1953-8-10 5980 Inyo Branch of Mazourka Canyon, Inyo Mts. 2529 Comment
  CAS-BOT-BC238267  Keckiella rothrockii J. C. Roos 1955-7-21 6494 Inyo Last Chance Mountains 1 mile south of Willow Spring 2072 Comment
  CAS-BOT-BC241700  Eriogonum brachyanthum J. C. Roos 1955-7-24 6523 Inyo Nelson Range near head of Grapevine Canyon 1889 Comment
  CAS-BOT-BC241765  Eriogonum brachypodum J. C. Roos 1955-7-22 6498 Inyo Willow Creek, west slope Last Chance Mountains 1615 Comment
  CAS-BOT-BC241850  Eriogonum caespitosum John Roos; Lucille Roos 1952-7-27 5827 Inyo West rim Reed Flat, White Mts. 3108 Comment
  CAS-BOT-BC241875  Eriogonum cernuum J. C. Roos 1955-7-23 6507 Inyo Soldier Flat at east base Waucoba Mountain, Inyo Mountains 2194 Comment
  CAS-BOT-BC243398  Penstemon scapoides John Roos; Lucille Roos 1952-7-28 5853 Inyo Wyman Canyon, White Mts. 2743 Comment
  CAS-BOT-BC248007  Chorizanthe watsonii J. C. Roos 1955-6-18 6421 Inyo 2 miles NE of Willow Spring, Last Chance Mountains 2011 Comment
  CAS-BOT-BC252280  Eriogonum heermannii var. argense J. C. Roos; A. R. Roos 1955-8-24 6537 Inyo Ridge 2 miles south of Willow Spring, Last Chance Mts. 2286 Comment
  CAS-BOT-BC252284  Eriogonum heermannii var. argense J. C. Roos; A. R. Roos 1953-8-8 5937 Inyo Hill behind Blue Bell Mine, Inyo Mts. 2743 Comment
  CAS-BOT-BC253669  Panicum capillare J. C. Roos; E. C. Jaeger 1955-7-23 6518 Inyo Saline Valley below mouth of Hunter Canyon 350 Comment
  CAS-BOT-BC254578  Poa fendleriana subsp. longiligula J. C. Roos 1955-6-20 6455 Inyo Last Chance Mountains 2 miles NE of Willow Spring 2011 Comment
  CAS-BOT-BC256114  Eriogonum deflexum var. deflexum John Roos; Lucille Roos 1952-6-28 6172 Inyo North base of sand dunes at SE end Eureka Valley 914 Comment
  CAS-BOT-BC256244  Eriogonum deflexum var. baratum J. C. Roos 1955-7-22 6499 Inyo Willow Creek, west slope Last Chance Mountains 1615 Comment
  CAS-BOT-BC256246  Eriogonum deflexum var. baratum J. C. Roos 1955-7-24 6519 Inyo Nelson Range near head of Grapevine Canyon 1889 Comment
  CAS-BOT-BC258753  Eriogonum ovalifolium var. ovalifolium John Roos; Lucille Roos 1952-7-27 5833 Inyo S.E. rim Reed Flat, White Mts. 3139 Comment
  CAS-BOT-BC261198  Eriogonum heermannii var. humilius John Roos; Lucille Roos 1947-7-15 2830 Inyo Wild Rose Canyon, Panamint Mts. 1280 Comment
  CAS-BOT-BC262189  Eriogonum umbellatum var. versicolor John Roos; Lucille Roos 1954-6-26 6159 Inyo Badger Flat, Inyo Mts. 2621 Comment
  CAS-BOT-BC262196  Eriogonum umbellatum var. versicolor J. C. Roos 1955-6-19 6432 Inyo One mile SE of Willow Spring, Last Chance Mountains 1950 Comment
  CAS-BOT-BC262713  Muhlenbergia asperifolia J. C. Roos 1955-7-23 6514 Inyo Beveridge Canyon, east base Inyo Mts., Saline Valley 640 Comment
  CAS-BOT-BC262932  Eriogonum trichopes J. C. Roos 1955-7-24 6520 Inyo Nelson Range near head of Grapevine Canyon 1889 Comment
  CAS-BOT-BC264937  Eriogonum wrightii var. subscaposum J. C. Roos; A. R. Roos 1953-8-8 5943 Inyo N.W end Badger Flat, Inyo Mts. 2682 Comment
  CAS-BOT-BC266818  Eriogonum nummulare J. C. Roos; A. R. Roos 1954-8-15 6219 Inyo Whippoorwill (or Soldier) Flat, east side waucoba Mtn, Inyo Mts. 2164 Comment
  CAS-BOT-BC266928  Eriogonum panamintense var. mensicola John Roos; Lucille Roos 1947-7-15 2869 Inyo Wild Rose Canyon at Kilns Panamint Mts. 2133 Comment
  CAS-BOT-BC268573  Eriogonum shockleyi J. C. Roos 1955-7-21 6484 Inyo Whitetop Peak, summit Last Chance Mountains 2560 Comment
  CAS-BOT-BC268733  Eriogonum microthecum var. simpsonii J. C. Roos 1955-7-21 6491 Inyo Last Chance Mountains 1 mile south of Willow Spring 2072 Comment
  CAS-BOT-BC269672  Symphoricarpos longiflorus J. C. Roos 1955-6-17 6414 Inyo 2 miles NE of Willow Spring, Last Chance Mountains 2011 Comment
  CAS-BOT-BC270903  Eriogonum microthecum var. ambiguum J. C. Roos; A. R. Roos 1953-8-11 5985 Inyo Ridge 1 mile east of Badger Flat, Inyo Mts. 2865 Comment
  CAS-BOT-BC275152  Muhlenbergia porteri J. C. Roos; A. R. Roos 1955-8-23 6534 Inyo W base Last Chance Mountains E of Eureka Valley sand dunes 1219 Comment
  CAS-BOT-BC276247  Achnatherum X bloomeri J. C. Roos; A. R. Roos 1953-8-13 6014 Inyo Crest of Inyo Mountains, 3 miles E of Badger Flat 3169 Comment
  CAS-BOT-BC276557  Chaenactis douglasii var. douglasii J. C. Roos 1955-6-17 6415 Inyo 2 miles NE of Willow Spring, Last Chance Mountains 2011 Comment
  CAS-BOT-BC27705  Astragalus lentiginosus var. micans John C. Roos 1955-5-13 6354 Inyo Lower sloopes of sand dunes at SE end of Eureka Valley, E of Inyo Mts. 929 Comment
  CAS-BOT-BC279656  Chaenactis xantiana J. C. Roos 1955-6-17 6418 Inyo 2 miles NE of Willow Spring, Last Chance Mountains 2011 Comment
  CAS-BOT-BC281056  Melica stricta John Roos; Lucille Roos 1954-6-25 6154 Inyo N end Badger Flat, Inyo Mts 2682 Comment
  CAS-BOT-BC283899  Leymus cinereus J. C. Roos; A. R. Roos 1953-8-9 5971 Inyo SE edge Badger Flat, Inyo Mountains 2621 Comment
  CAS-BOT-BC283900  Leymus cinereus J. C. Roos; A. R. Roos 1947-7-11 2906 Inyo Wild Rose Canyon, Panamint Mountains 2377 Comment
  CAS-BOT-BC284292  Chaenactis stevioides J. C. Roos 1955-6-20 6461 Inyo Last Chance Mountains near Willow Spring 1767 Comment
  CAS-BOT-BC286837  Ericameria discoidea J. C. Roos; A. R. Roos 1955-8-26 6552 Inyo North shoulder Waucoba Mt., Inyo Mts. 3261 Comment
  CAS-BOT-BC287463  Ericameria gilmanii J. C. Roos; A. R. Roos 1954-8-14 6216 Inyo The Narrows, Marble Canyon, Inyo Mts 2179 Comment
  CAS-BOT-BC289129  Hesperostipa comata J. C. Roos 1955-6-19 6453 Inyo Willow Spring, Last Chance Mountains 1828 Comment
  CAS-BOT-BC289130  Hesperostipa comata John Roos; Lucille Roos 1954-6-26 6162 Inyo Mazourka Canyon at SE end of Badger Flat, Inyo Mts. 2621 Comment
  CAS-BOT-BC292156  Dicoria canescens John Roos; Lucille Roos 1954-6-28 6173 Inyo At SE end Eureka Valley 929 Comment
  CAS-BOT-BC292384  Ericameria nana J. C. Roos; A. R. Roos 1955-8-24 6538 Inyo Summit ridge of Last Chance Mts, 3.5 miles S of Willow Spring 2438 Comment
  CAS-BOT-BC292385  Ericameria nana J. C. Roos; A. R. Roos 1955-8-24 6538 Inyo Summit ridge of Last Chance Mts, 3.5 miles S of Willow Spring 2438 Comment
  CAS-BOT-BC293315  Ericameria teretifolia J. C. Roos 1965-9-18 s.n. Inyo Wild Rose [Wildrose] Canyon, Panamint Mtns. Comment
  CAS-BOT-BC293320  Ericameria teretifolia John Roos; Lucille Roos 1947-9-20 2811 Inyo Wild Rose [Wildrose] Canyon, Panamint Mts. 1524 Comment
  CAS-BOT-BC293578  Erigeron argentatus John Roos; Lucille Roos 1952-7-25 5817 Inyo Between Westgaard [Westgard] Pass and Reed Flat, White Mts. 2438 Comment
  CAS-BOT-BC294441  Ericameria parryi var. aspera J. C. Roos; A. R. Roos 1953-8-9 5949 Inyo Tamarack Canyon, Inyo Mts. 2987 Comment
  CAS-BOT-BC294889  Erigeron breweri var. porphyreticus J. C. Roos 1955-6-20 6456 Inyo Last Chance Mountains 2 miles NE of Willow Spring 1981 Comment
  CAS-BOT-BC294931  Erigeron clokeyi J. C. Roos; A. R. Roos 1953-8-9 5953 Inyo Near head of Tamarack Canyon, Inyo Mts. 3048 Comment
  CAS-BOT-BC294932  Erigeron clokeyi J. C. Roos; A. R. Roos 1953-8-11 5989 Inyo 2 miles east of Blue Bell Mine, Inyo Mts. 2865 Comment
  CAS-BOT-BC294940  Erigeron clokeyi J. C. Roos 1965-7-10 s.n. Inyo Arcane Meadow, near Telescope Peak, Panamint Mountains Comment
  CAS-BOT-BC298984  Ericameria nauseosa var. hololeuca J. C. Roos; A. R. Roos 1955-8-24 6541 Inyo Last Chance Mts. 0.2 mile E of Willow Spring 1859 Comment
  CAS-BOT-BC298985  Ericameria nauseosa var. hololeuca J. C. Roos; A. R. Roos 1955-8-24 6543 Inyo Last Chance Mts. 1 mile NE of Willow Spring 1859 Comment
  CAS-BOT-BC299118  Ericameria nauseosa var. mohavensis John Roos; Lucille Roos 1947-9-20 2808 Inyo Wild Rose Canyon, Panamint Mts 2133 Comment
  CAS-BOT-BC299661  Crepis nana John Roos; Lucille Roos 1947-7-13 2895 Inyo West face Telescope Peak, Panamint Mts. 3352 Comment
  CAS-BOT-BC305387  Helianthus annuus J. C. Roos 1949-9-3 s.n. Inyo Tecopa Comment
  CAS-BOT-BC308505  Gutierrezia sarothrae John Roos; Lucille Roos 1947-9-19 2802 Inyo Arcane Meadows, Panamint Mts. 2987 Comment
  CAS-BOT-BC308527  Hazardia brickellioides J. C. Roos 1955-7-23 6513 Inyo Beveridge Canyon east base Inyo Mts., Saline Valley 640 Comment
  CAS-BOT-BC326676  Pleiacanthus spinosus J. C. Roos; E. C. Jaeger 1955-7-23 6509 Inyo Soldier Flat, east base Waucoba Mountains, Inyo Mountains 2194 Comment
  CAS-BOT-BC326720  Pleiacanthus spinosus John C. Roos 1947-7-11 2902 Inyo Mahogany Flats, Panamint Mts. 2438 Comment
  CAS-BOT-BC328112  Perityle megalocephala var. megalocephala J. C. Roos; A. R. Roos 1953-8-8 5938 Inyo Rock outcropping on hill behind Blue Bell Mine, Badger Flat, Inyo Mts. 2743 Comment
  CAS-BOT-BC328113  Perityle megalocephala var. megalocephala J. C. Roos; A. R. Roos 1953-8-10 5979 Inyo Mazourka Canyon, Inyo Mountains 2499 Comment
  CAS-BOT-BC329024  Tetradymia canescens J. C. Roos; A. R. Roos 1953-8-8 5940 Inyo Badger Flat, Inyo Mountains 2651 Comment
  CAS-BOT-BC329398  Lepidospartum latisquamum J. C. Roos 1955-7-22 6500 Inyo Willow Creek, west slope Last Chance Mountains. 1615 Comment
  CAS-BOT-BC330358  Perityle megalocephala var. megalocephala J. C. Roos; A. R. Roos 1954-8-14 6217 Inyo The Narrows, Marble Canyon, Inyo Mts. 2179 Comment
  CAS-BOT-BC33079  Cryptantha roosiorum John C. Roos; A. R. Roos 1953-8-13 6015 Inyo Crest of Inyo Mts., 3 miles E of Badger Flat. 3230 Comment
  CAS-BOT-BC332934  Senecio spartioides J. C. Roos; A. R. Roos 1953-8-11 5990 Inyo 2 miles east of Blue Bell Mine, Inyo Mountains 2865 Comment
  CAS-BOT-BC33657  Eriogonum glandulosum John C. Roos; A. R. Roos 1955-8-23 6527 Inyo West base Last Chance Mts. east of Eureka Valley sand dunes. 1158 Comment
  CAS-BOT-BC340070  Tetradymia glabrata J. C. Roos 1955-6-21 6469 Inyo Along Loretto road 1.5 miles SW of Loretto Mine, east slope Inyo Mountains 1676 Comment
  CAS-BOT-BC340857  Psorothamnus polydenius John Roos; Lucille Roos 1947-7-15 2826 Inyo Darwin Mesa 1524 Comment
  CAS-BOT-BC352293  Anulocaulis annulatus J. C. Roos 1955-7-23 6510 Inyo Mouth of Beveridge canyon, east base Inyo Mts., Saline Valley 609 Comment
  CAS-BOT-BC355902  Pericome caudata J. C. Roos 1956-8-29 6595 Inyo At the head of Death Valley Canyon in the Panamint Mtns. Comment
  CAS-BOT-BC356261  Psathyrotes annua John Roos; Lucille Roos 1947-7-15 2827 Inyo Darwin Mesa 1524 Comment
  CAS-BOT-BC362198  Pyrrocoma apargioides John Roos; Lucille Roos 1951-8-8 5111 Inyo Reed Flat, White Mts. 3169 Comment
  CAS-BOT-BC375027  Stenotus acaulis J. C. Roos 1955-6-19 6445 Inyo Summit ridge Last Chance Mountains 2 miles west of Last Chance Spring 2529 Comment
  CAS-BOT-BC375028  Stenotus acaulis J. C. Roos; A. R. Roos 1953-8-9 5969 Inyo SE of head of Tamarack Canyon, Inyo Mts. 3230 Comment
  CAS-BOT-BC377027  Townsendia scapigera John Roos; Lucille Roos 1951-8-9 5120 Inyo Reed Flat and 1 mile south of Reed Flat, White Mts. 3048 Comment
  CAS-BOT-BC384221  Fraxinus anomala J. C. Roos 1955-6-19 6441 Inyo Last Chance Mountains 3 miles south of Willow Spring 2377 Comment
  CAS-BOT-BC413264  Oxytheca dendroidea subsp. dendroidea J. C. Roos 1955-7-23 6504 Inyo Soldier Flat, east base Waucoba Mountain, Inyo Mountains 2194 Comment
  CAS-BOT-BC41874  Draba breweri John Roos; Lucille Roos 1951-8-10 s.n. Inyo White Mountains. McAfee Meadow. 3657 Comment
  CAS-BOT-BC424447  Heuchera rubescens John Roos; Lucille Roos 1954-6-29 6184 Inyo The Narrows, Marble Canyon, Inyo Mts. 2179 Comment
  CAS-BOT-BC47537  Fendlerella utahensis J. C. Roos 1955-7-21 6486 Inyo Whitetop Peak, summit Last Chance Mountains 2529 Comment
  CAS-BOT-BC55251  Halimolobos jaegeri J. C. Roos; A. R. Roos 1953-8-14 6024 Inyo Inyo Mountains. Al Rose Canyon. 2499 Comment
  CAS-BOT-BC60709  Physaria kingii subsp. kingii John Roos; Lucille Roos 1952-7-26 5821 Inyo East side Reed Flat, White Mountains. 3048 Comment
  CAS-BOT-BC60964  Stanleya pinnata var. pinnata John C. Roos 1955-5-13 6353 Inyo Southeast end Eureka Valley. 914 Comment
  CAS-BOT-BC60965  Stanleya pinnata var. pinnata John C. Roos 1955-5-13 6353 Inyo Southeast end Eureka Valley. 914 Comment
  CAS-BOT-BC60966  Stanleya pinnata var. pinnata John C. Roos 1955-5-13 6353 Inyo Southeast end Eureka Valley. 914 Comment
  CAS-BOT-BC60967  Stanleya pinnata var. pinnata John C. Roos 1955-5-13 6366 Inyo West side Eureka Valley at mouth of Marble Canyon. 1036 Comment
  CAS-BOT-BC60968  Stanleya pinnata var. pinnata John C. Roos 1955-5-13 6366 Inyo West side Eureka Valley at mouth of Marble Canyon. 1036 Comment
  CAS-BOT-BC60969  Stanleya pinnata var. pinnata John C. Roos 1955-5-13 6366 Inyo West side Eureka Valley at mouth of Marble Canyon. 1036 Comment
  CAS-BOT-BC61309  Streptanthus cordatus var. cordatus John Roos; Lucille Roos 1947-7-11 2841 Inyo Mahogany Flats. Panamint Mountains. 2499 Comment
  CAS-BOT-BC61310  Streptanthus cordatus var. cordatus John Roos; Lucille Roos 1952-7-27 5835 Inyo Southeast rim Reed Flat, White Mountains. 3139 Comment
  CAS-BOT-BC61311  Streptanthus cordatus var. cordatus J. C. Roos 1955-6-17 6399 Inyo 2 miles northeast of Willow Spring, Last Chance Mountains. 2011 Comment
  CAS-BOT-BC69408  Pellaea breweri John Roos; Lucille Roos 1947-7-14 2852 Inyo north slope Baldy Peak, Panamint Mts. 2651 Comment
  CAS-BOT-BC73061  Pinus longaeva John Roos; Lucille Roos 1947-7-13 2819 Inyo Telescope Peak, Panamint Mts. 3322 Comment
  CAS-BOT-BC73062  Pinus longaeva J. C. Roos 1955-7-21 6483 Inyo North face Whitetop Peak, summit Last Chance Mountains. 2499 Comment
  CAS-BOT-BC78816  Pinus longaeva J. C. Roos; A. R. Roos 1953-8-9 5956 Inyo upper end Tamarack Canyon, Inyo Mts. 3048 Comment
  CAS-BOT-BC90835  Artemisia nova John Roos; Lucille Roos 1947-9-20 2810 Inyo Wild Rose Canyon, Panamint Mts. 2133 Comment
  CAS-BOT-BC92260  Cleomella brevipes John Roos; Lucille Roos 1954-9-14 6233 Inyo Amargosa Desert 3 miles northeast of Death Valley Junction along Ash Meadows road. 624 Comment
  CAS-BOT-BC92261  Cleomella brevipes John C. Roos; Alfred R. Roos 1954-8-15 6225 Inyo Lower Warm Spring, Saline Valley. 426 Comment
  CAS-BOT-BC93596  Artemisia tridentata subsp. tridentata John Roos; Lucille Roos 1951-8-8 5089 Inyo 3 miles NW of Cedar Flat, White Mts. 2590 Comment
  CAS-BOT-BC93598  Artemisia tridentata subsp. tridentata John Roos; Lucille Roos 1947-9-20 2805 Inyo Mahogany Flats, Panamint mts. 2590 Comment
  CAS-BOT-BC93599  Artemisia tridentata subsp. tridentata John Roos; Lucille Roos 1947-9-20 2809 Inyo Wild Rose Canyon, Panamint Mts. 2133 Comment
  CLARK-A1528-1005  Agrostis idahoensis John C. Roos 1937-8-8 424 Inyo Lone Pine Comment
  CLARK-A1528-1007  Festuca brachyphylla John C. Roos 1937-8-8 417 Inyo Sierra Nevada Mountains Comment
  CLARK-A1528-1028  Petradoria discoidea John C. Roos 1953-8-8 5935 Inyo Inyo Mountains 2743 Comment
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Jul 30 2014
  CLARK-A1528-1031  Penstemon scapoides John C. Roos, Alfred R. Roos 1953-8-8 5936 Inyo Inyo Mountains 2743 Comment
  CLARK-A1528-1032  Eriogonum heermannii subsp. argense John C. Roos, Lucille Roos 1953-8-8 5937 Inyo Inyo Mountains 2743 Comment
  CLARK-A1528-1063  Perityle megalocephala John C. Roos 1953-8-8 5938 Inyo Inyo Mountains 2743 Comment
  CLARK-A1528-1064  Tetradymia canescens John C. Roos, Alfred R. Roos 1953-8-8 5940 Inyo Inyo Mountains 2651 Comment
  CLARK-A1528-1100  Brickellia oblongifolia var. linifolia John C. Roos 1953-8-8 5944 Inyo Inyo Mountains 2590 Comment
  CLARK-A1528-1112  Chrysothamnus albidus John C. Roos 1954-8-15 6224 Inyo Saline Valley 426 Comment
  CLARK-A1528-1161  Astragalus lentiginosus John C. Roos 1963-7-27 362 Inyo White Mountains 3108 Comment
  CLARK-A1528-1168  Cleomella brevipes John C. Roos, R. Weatherby 1949-9-3 3565 Inyo Tecopa Hot Springs 426 Comment
  CLARK-A1528-1170  Cuscuta indecora John C. Roos 1965-9-18 Inyo Inyo Mountains Comment
  CLARK-A1528-1188  Atriplex polycarpa John C. Roos 1948-7-4 3913 Inyo Panamint Range Comment
  CLARK-A1528-1191  Chenopodium rubrum John C. Roos 1965-9-18 Inyo Inyo Mountains Comment
  CLARK-A1528-1217  Penstemon scapoides John C. Roos 1967-8-5 Inyo Inyo Mountains 3200 Comment
  CLARK-A1528-1224  Keckiella rothrockii Alfred R. Roos, John C. Roos 1953-8-10 5980 Inyo Inyo Mountains 2529 Comment
  CLARK-A1528-1226  Castilleja nana Alfred R. Roos, John C. Roos 1953-8-9 5960 Inyo Inyo Mountains 3047 Comment
  CLARK-A1528-1244  Sitanion hansenii John C. Roos, Alfred R. Roos 1953-8-9 5968 Inyo Inyo Mountains 3230 Comment
  CLARK-A1528-1248  Holcus lanatus John C. Roos 1937-8-4 420 Inyo Independence Comment
  CLARK-A1528-1260  Eragrostis mexicana subsp. virescens John C. Roos, Lucille Roos 1951-8-12 5194 Inyo Big Pine 1219 Comment
  CLARK-A1528-1276  Bromus tectorum John C. Roos 1948-7-4 Inyo Panamint Mountains Comment
  CLARK-A1528-1277  Muhlenbergia squarrosa John C. Roos, Lucille Roos 1951-8-9 5123 Inyo White Mountains 3047 Comment
  CLARK-A1528-1285  Oryzopsis bloomeri John C. Roos, Lucille Roos 1952-8-8 5092 Inyo White Mountains 2590 Comment
  CLARK-A1528-1288  Stipa pinetorum John C. Roos, Alfred R. Roos 1953-8-8 5939 Inyo Inyo Mountains 2651 Comment
  CLARK-A1528-1294  Pinus flexilis John C. Roos 1948-7-3 3920 Inyo Panamint Range Comment
  CLARK-A1528-1301  Petalonyx nitidus John C. Roos 1965-6-11 Inyo Panamint Mountains Comment
  CLARK-A1528-1320  Arceuthobium divaricatum John C. Roos 1965-7-10 Inyo Mahogany Flats Comment
  CLARK-A1528-1376  Acer glabrum John C. Roos 1952-7-28 Inyo White Mountains on steep north canyon wall; with Philadelphus serpyllifolius, Physocarpus alternans, ,etc. Comment
  CLARK-A1528-1377  Acer glabrum Alfred R. Roos, John C. Roos 1953-8-9 Inyo Inyo Mountains on rocky, dry north slope; with Pinus aristata, Chamaebatiaria millefolium, etc. Comment
  CLARK-A1528-1407  Tidestromia oblongifolia John C. Roos 1965-7-11 Inyo Stovepipe Wells Comment
  CLARK-A1528-1434  Cymopterus cinerarius John C. Roos 1953-8-11 5983 Inyo Inyo Mountains 2834 Comment
  CLARK-A1528-1440  Lomatium inyoense John C. Roos 1954-6-24 6149 Inyo Inyo Mountains 3169 Comment
  CLARK-A1528-1441  Lomatium inyoense John C. Roos 1954-6-24 6148 Inyo Inyo Mountains 3108 Comment
  CLARK-A1528-1476  Apocynum cannabinum John C. Roos 1965-7-11 Inyo Death Valley National Park Comment
  CLARK-A1528-1488  Cystopteris fragilis John C. Roos, Lucille Roos 1947-7-14 2853 Inyo Panamint Range 2621 Comment
  CLARK-A1528-1515  Allium validum John C. Roos 1965-8-9 Inyo Independence Creek Comment
  CLARK-A1528-1571  Artemisia dracunculus John C. Roos 1941-8-17 48 Inyo Panamint Mountains 3366 Comment
  CLARK-A1528-1594  Artemisia spinescens John C. Roos 1938-4-15 1623 Inyo Olancha Comment
  CLARK-A1528-1635  Baccharis sergiloides John C. Roos 1965-9-18 Inyo Panamint Mountains Comment
  CLARK-A1528-1679  Brickellia oblongifolia John C. Roos, Alfred R. Roos 1953-8-10 Inyo Inyo Mountains branch of canyon; locally common in dry, rocky canyon bottom; with Pinus monophylla, Juniperus utahensis, etc.; ; Mazourka Peak 7.5'Q 2560 Comment
  CLARK-A1528-1702  Chrysothamnus albidus John C. Roos, Lucille Roos 1954-9-14 6235 Inyo 624 Comment
  CLARK-A1528-1703  Chrysothamnus albidus John C. Roos, Lucille Roos 1954-11-23 6259 Inyo Saline Valley 426 Comment
  CLARK-A1528-1705  Chrysothamnus albidus John C. Roos 1954-8-15 6224 Inyo Saline Valley 426 Comment
  CLARK-A1528-1709  Petradoria discoidea John C. Roos 1953-8-8 5935 Inyo Inyo Mountains 2743 Comment
  CLARK-A1528-1714  Chrysothamnus nauseosus subsp. mohavensis John C. Roos, Lucille Roos 1947-9-19 2804 Inyo Panamint Mountains 2743 Comment
  CLARK-A1528-1733  Chrysothamnus parryi subsp. asper John C. Roos 1956-9-29 6601 Inyo Panamint Mountains Comment
  CLARK-A1528-1734  Chrysothamnus parryi John C. Roos 1961-9-2 Inyo Inyo Mountains 3108 Comment
  CLARK-A1528-1748  Chrysothamnus viscidiflorus subsp. puberulus John C. Roos 1953-8-8 5934 Inyo Inyo Mountains 2743 Comment
  CLARK-A1528-1750  Chrysothamnus viscidiflorus subsp. stenophyllus John C. Roos 1941-8-15 70 Inyo Panamint Mountains Comment
  CLARK-A1528-1751  Chrysothamnus viscidiflorus John C. Roos 1941-8-17 55 Inyo Panamint Mountains 3364 Comment
  CLARK-A1528-1752  Chrysothamnus viscidiflorus subsp. stenophyllus John C. Roos 1941-8-16 67 Inyo Death Valley National Park 1371 Comment
  CLARK-A1528-1753  Chrysothamnus viscidiflorus subsp. pumilus John C. Roos 1953-8-13 6020 Inyo Inyo Mountains 3337 Comment
  CLARK-A1528-1829  Erigeron uncialis John C. Roos 1954-6-26 6160 Inyo Inyo Mountains 2621 Comment
  CLARK-A1528-1844  Geraea canescens John C. Roos 1947-4-19 3482 Inyo Death Valley Comment
  CLARK-A1528-1872  Haplopappus acradenius John C. Roos 1937-8-6 2445 Inyo Big Pine Comment
  CLARK-A1528-1876  Haplopappus brickellioides John C. Roos 1955-7-23 6513 Inyo Inyo Mountains 640 Comment
  CLARK-A1528-1887  Haplopappus gilmanii John C. Roos 1956-8-29 6597 Inyo Panamint Mountains Comment
  CLARK-A1528-1888  Haplopappus gilmanii John C. Roos 1954-8-14 6216 Inyo Inyo Mountains 2179 Comment
  CLARK-A1528-1897  Haplopappus macronema John C. Roos 1955-8-26 6552 Inyo Inyo Mountains 3261 Comment
  CLARK-A1528-1911  Helianthus jaegeri John C. Roos 1951-8-12 5195 Inyo Lone Pine 1142 Comment
  CLARK-A1528-1932  Hecastocleis shockleyi John C. Roos, Lucille Roos 1954-3-27 6055 Inyo Grapevine Mountains 1645 Comment
  CLARK-A1528-1933  Hecastocleis shockleyi John C. Roos, Lucille Roos 1954-5-8 6094 Inyo Grapevine Mountains 1645 Comment
  CLARK-A1528-1945  Hieracium horridum John C. Roos 1937-8-8 2463 Inyo Lone Pine Canyon Comment
  CLARK-A1528-1972  Iva acerosa John C. Roos 1965-7-11 Inyo Tecopa Comment
  CLARK-A1528-1997  Stephanomeria spinosa John C. Roos 1955-7-23 6509 Inyo Inyo Mountains 2194 Comment
  CLARK-A1528-2024  Perityle megalocephala John C. Roos, Alfred R. Roos 1954-8-14 6217 Inyo Inyo Mountains 2179 Comment
  CLARK-A1528-2052  Petradoria discoidea John C. Roos 1953-8-8 5935 Inyo Inyo Mountains 2743 Comment
  CLARK-A1528-2054  Chrysothamnus viscidiflorus subsp. puberulus John C. Roos 1951-8-8 5090 Inyo White Mountains 2590 Comment
  CLARK-A1528-2061  Pluchea sericea John C. Roos 1965-7-11 Inyo Death Valley Comment
  CLARK-A1528-2099  Solidago confinis John C. Roos 1947-4-20 3507 Inyo Death Valley 76 Comment
  CLARK-A1528-2114  Tanacetum canum John C. Roos 1964-8-30 Inyo Lone Pine Canyon Comment
  CLARK-A1528-2142  Viguiera multiflora John C. Roos 1965-7-11 Inyo Panamint Mountains Comment
  CLARK-A1528-2143  Viguiera multiflora var. nevadensis John C. Roos 1941-8-17 72 Inyo Panamint Mountains Comment
  CLARK-A1528-2144  Viguiera reticulata John C. Roos 1947-1-26 3205 Inyo Death Valley Comment
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Oct 28 2014
  CLARK-A1528-2145  Viguiera reticulata John C. Roos 1947-4-20 3508 Inyo Death Valley 701 Comment
  CLARK-A1528-2213  Cryptantha echinella John C. Roos, Lucille Roos 1947-7-14 2858 Inyo Panamint Mountains 2560 Comment
  CLARK-A1528-2225  Cryptantha micrantha John C. Roos, Lucille Roos 1954-6-26 6156 Inyo Inyo Mountains 2682 Comment
  CLARK-A1528-2233  Cryptantha racemosa John C. Roos 1948-4-15 503 Inyo Darwin Falls Comment
  CLARK-A1528-2237  Cryptantha utahensis John C. Roos 1947-4-18 3474 Inyo Death Valley National Park 1737 Comment
  CLARK-A1528-2238  Cryptantha virginensis John C. Roos 1947-7-13 2861 Inyo Panamint Mountains 3047 Comment
  CLARK-A1528-2239  Cryptantha virginensis John C. Roos 1954-6-12 6137 Inyo Panamint Mountains Comment
  CLARK-A1528-2241  Lappula redowskii John C. Roos, Lucille Roos 1952-7-28 5847 Inyo White Mountains 2621 Comment
  CLARK-A1528-2242  Lappula redowskii John C. Roos, Lucille Roos 1954-6-26 6155 Inyo Inyo Mountains 2682 Comment
  CLARK-A1528-2284  Arabis inyoensis John C. Roos 1937-8-8 2191 Inyo Lone Pine Canyon 2743 Comment
  CLARK-A1528-2305  Caulanthus crassicaulis John C. Roos 1954-6-28 6168 Inyo Inyo Mountains 2255 Comment
  CLARK-A1528-2321  Lepidium flavum John C. Roos 1969-12-22 Inyo 914 Comment
  CLARK-A1528-2341  Stanleya pinnata subsp. inyoensis John C. Roos 1954-8-13 6209 Inyo Eureka Valley 914 Comment
  CLARK-A1528-2345  Streptanthus cordatus John C. Roos 1952-7-27 5835 Inyo White Mountains 3139 Comment
  CLARK-A1528-2378  Cleome sparsifolia John C. Roos 1965-9-18 Inyo Keeler Comment
  CLARK-A1528-2381  Cleomella brevipes John C. Roos 1954-9-14 6233 Inyo Amargosa Desert Comment
  CLARK-A1528-2414  Symphoricarpos longiflorus John C. Roos 1941-8-17 27 Inyo Panamint Mountains 3078 Comment
  CLARK-A1528-2427  Berula erecta John C. Roos 1937-8-3 664 Inyo Little Lake Comment
  CLARK-A1528-2446  Arenaria kingii Alfred R. Roos, John C. Roos 1953-8-9 Inyo Inyo Mountains near head of Canyon; open places on dry north slope; among rocks; with Erigeron clokeyi, Pinus aristata, P.flexilis, etc.; 3047 Comment
  CLARK-A1528-2496  Atriplex parryi John C. Roos, Alfred R. Roos 1950-8-7 4926 Inyo Tecopa 426 Comment
  CLARK-A1528-2498  Atriplex polycarpa John C. Roos 1954-8-13 6205 Inyo Eureka Valley 914 Comment
  CLARK-A1528-2521  Atriplex hymenelytra John C. Roos 1937-12-28 Inyo Olancha Comment
  CLARK-A1528-2531  Allenrolfea occidentalis John C. Roos 1938-4-18 8725 Inyo Death Valley National Park Comment
  CLARK-A1528-2544  Atriplex confertifolia John C. Roos 1953-8-10 5978 Inyo Inyo Mountains 2438 Comment
  CLARK-A1528-2587  Monolepis nuttalliana John C. Roos 1952-7-28 5852 Inyo White Mountains 3139 Comment
  CLARK-A1528-2591  Nitrophila mohavensis John C. Roos 1954-9-14 6234 Inyo Death Valley Junction 624 Comment
  CLARK-A1528-2592  Nitrophila mohavensis John C. Roos 1965-7-11 Inyo Death Valley Junction Comment
  CLARK-A1528-2636  Euphorbia fendleri John C. Roos 1953-8-13 6022 Inyo Inyo Mountains 2499 Comment
  CLARK-A1528-2646  Camissonia heterochroma John C. Roos, Alfred R. Roos 1954-8-14 6213 Inyo Inyo Mountains 2316 Comment
  CLARK-A1528-2675  Ephedra viridis John C. Roos 1949-4-7 Inyo Panamint Mountains Comment
  CLARK-A1528-2732  Astragalus calycosus Alfred R. Roos, John C. Roos 1953-8-9 5958 Inyo Inyo Mountains 3047 Comment
  CLARK-A1528-2829  Lupinus excubitus John C. Roos 1941-8-17 61 Inyo Panamint Mountains 2651 Comment
  CLARK-A1528-2846  Lupinus alpestris John C. Roos 1954-6-12 6133 Inyo Panamint Mountains 2621 Comment
  CLARK-A1528-2849  Lupinus shockleyi John C. Roos 1955-5-13 6360 Inyo Eureka Valley 1036 Comment
  CLARK-A1528-2870  Prosopis glandulosa John C. Roos 1965-7-11 Inyo Death Valley Comment
  CLARK-A1528-2887  Trifolium monoense John C. Roos 1962-8-25 Inyo Inyo Mountains Comment
  CLARK-A1528-3018  Phacelia vallis-mortae John C. Roos 1947-4-18 3475 Inyo Death Valley National Park Comment
  CLARK-A1528-3031  Sisyrinchium bellum John C. Roos 1947-4-20 3500 Inyo Death Valley 76 Comment
  CLARK-A1528-3033  Triglochin concinna var. debilis John C. Roos, Lucille Roos 1954-5-7 6078 Inyo Amargosa Desert 624 Comment
  CLARK-A1528-3034  Triglochin concinna var. debilis John C. Roos 1965-7-11 Inyo Tecopa 426 Comment
  CLARK-A1528-3080  Cyperus laevigatus John C. Roos, Lucille Roos 1953-11-2 6042 Inyo Tecopa Hot Springs 426 Comment
  CLARK-A1528-3111  Salvia dorrii subsp. dorrii Alfred R. Roos, John C. Roos 1953-8-9 5947 Inyo Inyo Mountains 2682 Comment
  CLARK-A1528-3114  Salvia funerea John C. Roos, Lucille Roos 1954-3-27 6051 Inyo Death Valley National Park 853 Comment
  CLARK-A1528-3141  Monardella linoides John C. Roos, Lucille Roos 1947-7-12 2836 Inyo Panamint Mountains 2133 Comment
  CLARK-A1528-3146  Monardella linoides John C. Roos 1965-1-11 Inyo Panamint Mountains Comment
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Apr 25 2019
  CLARK-A1528-3152  Monardella odoratissima subsp. parvifolia John C. Roos, Lucille Roos 1952-7-27 5828 Inyo White Mountains 3108 Comment
  CLARK-A1528-3162  Mentzelia dispersa John C. Roos 1948-7-4 3897 Inyo Panamint Mountains 2560 Comment
  CLARK-A1528-3170  Mentzelia reflexa John C. Roos 1947-4-19 3480 Inyo Death Valley National Park Comment
  CLARK-A1528-3173  Petalonyx nitidus John C. Roos, Lucille Roos 1954-6-28 6169 Inyo Inyo Mountains 1676 Comment
  CLARK-A1528-3174  Petalonyx nitidus John C. Roos 1947-4-19 3493 Inyo Death Valley National Park 731 Comment
  CLARK-A1528-3175  Petalonyx nitidus John C. Roos 1941-8-15 75 Inyo Panamint Mountains Comment
  CLARK-A1528-3196  Calochortus nuttallii John C. Roos, Lucille Roos 1952-7-26 5823 Inyo White Mountains 3047 Comment
  CLARK-A1528-3210  Buddleja utahensis John C. Roos, Philip A. Munz 1955-4-8 6312 Inyo Last Chance Range 1219 Comment
  CLARK-A1528-3263  Boerhavia annulata John C. Roos 1938-4-12 1634 Inyo Death Valley Comment
  CLARK-A1528-3264  Boerhavia annulata John C. Roos, Lucille Roos 1954-11-24 6261 Inyo Inyo Mountains 563 Comment
  CLARK-A1528-3265  Boerhavia annulata John C. Roos 1955-4-6 6290 Inyo Inyo Mountains 487 Comment
  CLARK-A1528-3276  Mirabilis bigelovii John C. Roos 1965-7-11 Inyo Panamint Mountains Comment
  CLARK-A1528-3306  Oenothera avita subsp. eurekensis John C. Roos 1961-10-21 Inyo Eureka Valley Comment
  CLARK-A1528-3318  Camissonia boothii subsp. alyssoides John C. Roos, Lucille Roos 1954-6-26 6165 Inyo Inyo Mountains 2438 Comment
  CLARK-A1528-3326  Camissonia claviformis John C. Roos, Lucille Roos 1954-5-9 6109 Inyo Panamint Mountains 1219 Comment
  CLARK-A1528-3333  Camissonia heterochroma John C. Roos, Alfred R. Roos 1954-8-14 6213 Inyo Inyo Mountains 2316 Comment
  CLARK-A1528-3343  Gayophytum diffusum subsp. parviflorum John C. Roos, Lucille Roos 1947-7-14 2851 Inyo Panamint Mountains 2621 Comment
  CLARK-A1528-3344  Oenothera caespitosa subsp. crinita John C. Roos 1947-7-13 2881 Inyo Panamint Mountains Comment
  CLARK-A1528-3345  Oenothera caespitosa subsp. crinita John C. Roos 1941-8-17 Inyo Panamint Mountains 3352 Comment
  CLARK-A1528-3346  Oenothera caespitosa subsp. marginata John C. Roos, Lucille Roos 1952-7-28 5851 Inyo White Mountain Comment
  CLARK-A1528-3348  Oenothera deltoides subsp. eurekensis John C. Roos, Philip A. Munz 1954-9-18 20158 Inyo Eureka Dunes Comment
  CLARK-A1528-3350  Camissonia heterochroma John C. Roos, Alfred R. Roos 1954-8-14 6213 Inyo Inyo Mountains 2316 Comment
  CLARK-A1528-3401  Arctomecon merriamii John C. Roos, Lucille Roos 1954-3-27 6053 Inyo Grapevine Mountains Comment
  CLARK-A1528-3402  Arctomecon merriamii John C. Roos, Lucille Roos 1954-5-8 6099 Inyo Grapevine Mountains 0 Comment
  CLARK-A1528-3424  Plantago major John C. Roos 1965-9-18 Inyo Owens Lake Comment
  CLARK-A1528-3449  Navarretia breweri John C. Roos, Lucille Roos 1952-7-28 5855 Inyo White Mountains 3200 Comment
  CLARK-A1528-3450  Navarretia breweri John C. Roos, Lucille Roos 1951-8-11 5166 Inyo White Mountains 3352 Comment
  CLARK-A1528-3454  Phlox stansburyi John C. Roos, Lucille Roos 1952-7-27 5837 Inyo White Mountains Comment
  CLARK-A1528-3463  Leptodactylon pungens John C. Roos 1937-8-8 1671 Inyo Sierra Nevada Comment
  CLARK-A1528-3479  Linanthus nuttallii John C. Roos, Lucille Roos 1951-8-8 5093 Inyo White Mountains 3169 Comment
  CLARK-A1528-3497  Eriastrum sparsiflorum John C. Roos 1947-7-12 2834 Inyo Panamint Mountains Comment
  CLARK-A1528-3506  Gilia congesta John C. Roos, Lucille Roos 1951-8-8 5115 Inyo White Mountains 3078 Comment
  CLARK-A1528-3507  Gilia filiformis John C. Roos, Lucille Roos 1961-5-6 Inyo Coso Range Comment
  CLARK-A1528-3510  Gilia latifolia John C. Roos 1947-4-19 3497 Inyo Death Valley Comment
  CLARK-A1528-3511  Gilia latifolia John C. Roos 1938-4-17 1636 Inyo Death Valley Comment
  CLARK-A1528-3513  Gilia scopulorum John C. Roos 1955-4-6 6298 Inyo Inyo Mountains 502 Comment
  CLARK-A1528-3520  Gilia ripleyi John C. Roos, Lucille Roos 1954-5-8 6105 Inyo Grapevine Mountains 1280 Comment
  CLARK-A1528-3523  Ipomopsis aggregata John C. Roos 1937-8-8 975 Inyo Lone Pine Canyon Comment
  CLARK-A1528-3553  Pinus longaeva John C. Roos, Alfred R. Roos 1953-8-9 5956 Inyo Inyo Mountains 3047 Comment
  CLARK-A1528-3566  Pinus longaeva John C. Roos, Lucille Roos 1951-8-12 5186 Inyo White Mountains 3169 Comment
  CLARK-A1528-3586  Pinus longaeva John C. Roos 1941-8-17 probably 117 Inyo Panamint Mountains 3291 Comment
  CLARK-A1528-3605  Chorizanthe rigida John C. Roos 1947-4-19 3495 Inyo Death Valley Comment
  CLARK-A1528-3610  Chorizanthe watsonii John C. Roos 1955-6-18 6421 Inyo Last Chance Range Comment
  CLARK-A1528-3611  Eriogonum angulosum John C. Roos 1961-5-6 Inyo Coso Mountains 1219 Comment
  CLARK-A1528-3612  Eriogonum angulosum John C. Roos 1947-4-19 3491 Inyo Death Valley Comment
  CLARK-A1528-3618  Eriogonum baileyi John C. Roos, Edmund C. Jaeger 1955-7-21 6496 Inyo Last Chance Mountains 1828 Comment
  CLARK-A1528-3619  Eriogonum brachyanthum John C. Roos 1955-7-24 6523 Inyo 1889 Comment
  CLARK-A1528-3620  Eriogonum caespitosum John C. Roos, Lucille Roos 1952-7-27 5827 Inyo White Mountains Comment
  CLARK-A1528-3643  Eriogonum brachypodum John C. Roos 1955-7-23 6507 Inyo Inyo Mountains 2194 Comment
  CLARK-A1528-3653  Eriogonum heermannii subsp. argense John C. Roos, Lucille Roos 1951-8-12 5191 Inyo White Mountains 2194 Comment
  CLARK-A1528-3654  Eriogonum heermannii John C. Roos, Lucille Roos 1954-6-28 6171 Inyo Inyo Mountains 1615 Comment
  CLARK-A1528-3655  Eriogonum heermannii John C. Roos, Lucille Roos 1947-7-15 2830 Inyo Panamint Mountains 1280 Comment
  CLARK-A1528-3660  Eriogonum intrafractum John C. Roos, Lucille Roos 1954-5-8 Inyo Grapevine Mountains 1280 Comment
  CLARK-A1528-3671  Eriogonum nidularium John C. Roos, Lucille Roos 1947-7-15 2824 Inyo Darwin Mesa Comment
  CLARK-A1528-3680  Eriogonum ovalifolium subsp. ovalifolium John C. Roos, Lucille Roos 1952-7-31 5877 Inyo White Mountains 2834 Comment
  CLARK-A1528-3698  Eriogonum nidularium John C. Roos 1941-8-17 66 Inyo Panamint Mountains Comment
  CLARK-A1528-3701  Eriogonum reniforme John C. Roos 1941-8-17 53 Inyo Panamint Mountains 2804 Comment
  CLARK-A1528-3705  Eriogonum roseum John C. Roos 1937-8-5 615 Inyo White Mountain Comment
  CLARK-A1528-3707  Eriogonum shockleyi John C. Roos 1955-7-21 6484 Inyo Last Chance Mountains 2560 Comment
  CLARK-A1528-3710  Eriogonum trichopes John C. Roos 1955-7-24 6200 Inyo Nelson Range 1889 Comment
  CLARK-A1528-3712  Eriogonum umbellatum John C. Roos 1947-7-14 2860 Inyo Panamint Mountains 2468 Comment
  CLARK-A1528-3713  Eriogonum umbellatum John C. Roos 1941-8-15 69 Inyo Death Valley National Park Comment
  CLARK-A1528-3715  Eriogonum umbellatum subsp. aridum John C. Roos, Lucille Roos 1952-7-30 5858 Inyo White Mountains Comment
  CLARK-A1528-3718  Eriogonum umbellatum John C. Roos 1941-8-17 58 Inyo Panamint Mountains 2743 Comment
  CLARK-A1528-3719  Eriogonum umbellatum John C. Roos, R. Weatherby 1949-9-2 4637 Inyo 1828 Comment
  CLARK-A1528-3720  Eriogonum umbellatum John C. Roos 1965-7-10 Inyo Panamint Range 2438 Comment
  CLARK-A1528-3743  Eriogonum microthecum John C. Roos, Alfred R. Roos 1953-8-7 8800 Inyo Badger Flats Comment
  CLARK-A1528-3744  Eriogonum polypodum John C. Roos, Alfred R. Roos 1953-8-8 5932 Inyo Badger Flat 2682 Comment
  CLARK-A1528-3753  Oxytheca dendroidea John C. Roos 1955-7-23 6504 Inyo Waucoba Mountain 2194 Comment
  CLARK-A1528-3754  Oxytheca dendroidea John C. Roos, Alfred R. Roos 1954-8-15 6227 Inyo Inyo Mountains 2194 Comment
  CLARK-A1528-3755  Oxytheca dendroidea John C. Roos, Alfred R. Roos 1954-6-27 6166 Inyo 2544 Comment
  CLARK-A1528-3770  Polygonum amphibium var. emersum John C. Roos 1937-8-4 1963 Inyo Lone Pine 1127 Comment
  CLARK-A1528-3917  Abronia nana subsp. covillei John C. Roos 1967-8-6 Inyo Inyo Mountains Comment
  CLARK-A1528-3922  Mirabilis froebelii John C. Roos 1965-7-11 Inyo Panamint Mountains Comment
  CLARK-A1528-3951  Galium matthewsii John C. Roos 1941-8-17 63 Inyo Panamint Mountains 2407 Comment
  CLARK-A1528-3955  Galium stellatum subsp. eremicum John C. Roos 1938-4-15 496 Inyo Darwin Falls Comment
  CLARK-A1528-3957  Galium stellatum subsp. eremicum John C. Roos, Lucille Roos 1955-4-6 6293 Inyo Inyo Mountains 502 Comment
  CLARK-A1528-3975  Amelanchier utahensis John C. Roos, Lucille Roos 1947-7-12 2832 Inyo Panamint 2163 Comment
  CLARK-A1528-3981  Cercocarpus intricatus John C. Roos, Alfred R. Roos 1953-8-10 5975 Inyo Inyo Mountains 2468 Comment
  CLARK-A1528-3986  Chamaebatiaria millefolium John C. Roos, Lucille Roos 1951-8-12 5188 Inyo White Mountains 2895 Comment
  CLARK-A1528-3987  Chamaebatiaria millefolium John C. Roos 1941-8-17 Inyo Panamint Mountains 3017 Comment
  CLARK-A1528-3989  Cowania mexicana var. stansburyana John C. Roos 1941-8-17 71 Inyo Panamint Mountains Comment
  CLARK-A1528-3996  Holodiscus discolor John C. Roos 1941-8-17 62 Inyo Panamint Mountains 2590 Comment
  CLARK-A1528-4001  Horkelia hispidula John C. Roos, Lucille Roos 1952-7-28 Roos No. 5856 Inyo White Mountains 3200 Comment
  CLARK-A1528-4014  Physocarpus alternans John C. Roos 1965-7-10 Inyo Panamint Mountains Comment
  CLARK-A1528-4015  Physocarpus alternans John C. Roos, Lucille Roos 1952-7-28 5842 Inyo White Mountains 2682 Comment
  CLARK-A1528-4016  Potentilla breweri John C. Roos 1937-8-8 537 Inyo Sierra Nevada Comment
  CLARK-A1528-4089  Fendlerella utahensis John C. Roos 1955-6-19 6451 Inyo Last Chance Mountains Comment
  CLARK-A1528-4092  Heuchera rubescens John C. Roos, Alfred R. Roos 1953-8-13 6021 Inyo Mazourka Canyon 2499 Comment
  CLARK-A1528-4093  Heuchera rubescens John C. Roos, Lucille Roos 1954-6-29 7150 Inyo Inyo Mountains 2179 Comment
  CLARK-A1528-4094  Heuchera rubescens John C. Roos, Lucille Roos 1947-7-14 2850 Inyo Panamint Mountains 2651 Comment
  CLARK-A1528-4095  Heuchera rubescens John C. Roos 1941-8-17 49 Inyo Panamint Mountains 3200 Comment
  CLARK-A1528-4099  Heuchera rubescens var. pachypoda John C. Roos 1965-7-10 Inyo Telegraph Peak 3047 Comment
  CLARK-A1528-4100  Jamesia americana subsp. californica John C. Roos, Lucille Roos 1954-6-29 6186 Inyo Inyo Mountains 2194 Comment
  CLARK-A1528-4101  Jamesia americana John C. Roos 1956-9-29 6602 Inyo Panamint Mountains Comment
  CLARK-A1528-4103  Jamesia americana subsp. californica John C. Roos 1965-8-9 Inyo Independence Creek Comment
  CLARK-A1528-4112  Philadelphus microphyllus subsp. stramineus John C. Roos, Lucille Roos 1952-7-28 5843 Inyo White Mountains 2682 Comment
  CLARK-A1528-4113  Philadelphus microphyllus subsp. stramineus John C. Roos 1941-8-17 46 Inyo Panamint Mountains 2743 Comment
  CLARK-A1528-4121  Ribes cereum Alfred R. Roos, John C. Roos 1953-8-9 5970 Inyo Inyo Mountains|Tamarack Canyon 3230 Comment
  CLARK-A1528-4125  Ribes cereum John C. Roos 1941-8-17 26 Inyo Panamint Mountains Comment
  CLARK-A1528-4139  Ribes montigenum John C. Roos 1947-7-13 2882 Inyo Panamint Mountains 3261 Comment
  CLARK-A1528-4152  Ribes velutinum John C. Roos, Lucille Roos 1954-6-26 6164 Inyo Mazourka Canyon 2438 Comment
  CLARK-A1528-4155  Ribes velutinum John C. Roos 1965-7-10 Inyo Panamint Mountains Comment
  CLARK-A1528-4156  Ribes velutinum John C. Roos 1948-7-3 3900 Inyo Panamint Mountains Comment
  CLARK-A1528-4170  Bacopa eisenii John C. Roos 1937-8-4 1962 Inyo Lone Pine Comment
  CLARK-A1528-4174  Castilleja chromosa John C. Roos 1947-4-20 3583 Inyo Wildrose Canyon 1584 Comment
  CLARK-A1528-4197  Cordylanthus helleri John C. Roos, Lucille Roos 1952-7-25 5818 Inyo White Mountains 2438 Comment
  CLARK-A1528-4201  Cordylanthus tecopensis John C. Roos, Lucille Roos 1954-9-14 6231 Inyo Shoshone 432 Comment
  CLARK-A1528-4206  Cordylanthus tecopensis John C. Roos 1953-10-31 6033 Inyo Amargosa River 441 Comment
  CLARK-A1528-4207  Cordylanthus tecopensis John C. Roos 1953-11-1 6035 Inyo Death Valley Junction 624 Comment
  CLARK-A1528-4208  Cordylanthus tecopensis John C. Roos, Lucille Roos 1954-9-15 6243 Inyo Tecopa Hot Springs 426 Comment
  CLARK-A1528-4209  Cordylanthus tecopensis John C. Roos, Alfred R. Roos 1954-7-18 6196 Inyo Death Valley Junction 624 Comment
  CLARK-A1528-4213  Keckiella rothrockii John C. Roos 1937-8-5 1026 Inyo White Mountains Comment
  CLARK-A1528-4224  Mohavea breviflora John C. Roos, Lucille Roos 1954-3-27 6049 Inyo Death Valley 243 Comment
  CLARK-A1528-4230  Mimulus bigelovii var. panamintensis John C. Roos 1941-8-17 Inyo Panamint Range 3078 Comment
  CLARK-A1528-4241  Mimulus densus John C. Roos, Lucille Roos 1952-7-28 5845 Inyo White Mountains 2621 Comment
  CLARK-A1528-4293  Penstemon bridgesii John C. Roos 1947-7-12 2898 Inyo Panamint Mountains 2499 Comment
  CLARK-A1528-4294  Penstemon bridgesii John C. Roos 1952-7-28 5848 Inyo White Mountains 2743 Comment
  CLARK-A1528-4295  Penstemon bridgesii John C. Roos 1941-8-17 65 Inyo Panamint Mountains 2377 Comment
  CLARK-A1528-4301  Penstemon confusus John C. Roos 1958-7-5 Inyo Inyo Mountains Comment
  CLARK-A1528-4313  Penstemon palmeri John C. Roos 1965-7-11 Inyo Panamint Range Comment
  CLARK-A1528-4344  Lycium andersonii John C. Roos, Philip A. Munz 1955-4-8 6315 Inyo Last Chance Mountains 1127 Comment
  CLARK-A1528-4417  Arceuthobium divaricatum John C. Roos 1965-7-10 Inyo Mahogany Flats Comment
  CLARK-A1528-4435  Larrea tridentata John C. Roos 1947-1-26 3213 Inyo Furnace Creek Comment
  CLARK-A1528-4438  Larrea tridentata John C. Roos 1938-4-18 8719 Inyo Death Valley National Park Comment
  CLARK-A1528-4443  Agropyron subsecundum John C. Roos, Lucille Roos 1951-8-12 5184 Inyo White Mountains 0 Comment
  CLARK-A1528-4454  Andropogon glomeratus John C. Roos 1938-4-17 1622 Inyo Death Valley Comment
  CLARK-A1528-4457  Andropogon glomeratus John C. Roos 1965-7-11 Inyo Death Valley Comment
  CLARK-A1528-4591  Distichlis spicata John C. Roos 1965-7-11 Inyo Death Valley Junction 622 Comment
  CLARK-A1528-4602  Elymus cinereus John C. Roos, Lucille Roos 1951-8-12 5185 Inyo White Mountains 3108 Comment
  CLARK-A1528-4630  Eragrostis cilianensis Alfred R. Roos 1937-8-4 10879 Inyo Lone Pine Comment
  CLARK-A1528-4692  Imperata brevifolia John C. Roos 1938-4-17 1619 Inyo Death Valley Comment
  CLARK-A1528-4701  Koeleria macrantha John C. Roos 1947-7-11 2847 Inyo Panamint Range 2377 Comment
  CLARK-A1528-4733  Melica stricta John C. Roos, Lucille Roos 1952-7-27 5829 Inyo White Mountains 3108 Comment
  CLARK-A1528-4737  Melica stricta John C. Roos 1941-8-17 50 Inyo Panamint Mountains 3169 Comment
  CLARK-A1528-4769  Oryzopsis hymenoides John C. Roos 1947-7-14 2854 Inyo Panamint Range 2621 Comment
  CLARK-A1528-4779  Oryzopsis micrantha John C. Roos, Lucille Roos 1952-7-28 5840 Inyo White Mountains 2682 Comment
  CLARK-A1528-4781  Oryzopsis webberi John C. Roos, Lucille Roos 1952-7-25 5819 Inyo White Mountains 2438 Comment
  CLARK-A1528-4895  Silene verecunda subsp. platyota John C. Roos 1941-8-17 59 Inyo Panamint Mountains 2590 Comment
  CLARK-A1528-4917  Artemisia rothrockii John C. Roos 1947-9-19 2801 Inyo Panamint Mountains 3047 Comment
  CLARK-A1528-4931  Astragalus oophorus John C. Roos 1948-7-2 3908 Inyo Panamint Mountains Comment
  CLARK-A1528-4932  Ephedra viridis John C. Roos 1948-7-3 3906 Inyo Panamint Range 2834 Comment
  CLARK-A1528-4934  Cryptantha confertiflora John C. Roos 1947-4-20 3576 Inyo Wildrose Canyon 1584 Comment
  CLARK-A1528-4956  Encelia virginensis subsp. actonii John C. Roos 1947-4-18 3461 Inyo Comment
  CLARK-A1528-4957  Astragalus layneae John C. Roos 1947-4-19 3464 Inyo Dante's View Comment
  CLARK-A1528-4975  Chaenactis douglasii John C. Roos 1941-8-17 51 Inyo Panamint Mountains 3200 Comment
  CLARK-A1528-4976  Chrysothamnus nauseosus John C. Roos 1941-8-17 57 Inyo Panamint Range 2895 Comment
  CLARK-A1528-4977  Acer glabrum John C. Roos 1947-7-14 2849 Inyo Panamint Mountains Comment
  CLARK-A1528-4980  Pluchea sericea John C. Roos 1947-1-26 3214 Inyo Death Valley National Park Comment
  CLARK-A1528-4983  Lupinus magnificus John C. Roos 1965-7-11 Inyo Panamint Mountains Comment
  CLARK-A1528-4998  Cryptantha flavoculata John C. Roos 1947-4-20 3577 Inyo Wildrose Canyon 1584 Comment
  CLARK-A1528-5036  Sitanion hansenii John C. Roos, Lucille Roos 1951-8-8 5094 Inyo White Mountains 3169 Comment
  CLARK-A1528-5088  Juniperus osteosperma John C. Roos 1948-7-2 3919 Inyo Panamint Mountains Comment
  CLARK-A1528-5089  Triglochin maritima John C. Roos, R. Weatherby 1949-9-3 3566 Inyo Tecopa Flats 426 Comment
  CLARK-A1528-5092  Fritillaria pinetorum John C. Roos 1967-8-6 Inyo Inyo Mountains 2773 Comment
  CLARK-A1528-5098  Trifolium fimbriatum John C. Roos 1965-9-18 Inyo Owens Lake Comment
  CLARK-A1528-5101  Lupinus flavoculatus John C. Roos 1947-4-20 3588 Inyo Darwin Mesa 914 Comment
  CLARK-A1528-5103  Astragalus purshii Alfred R. Roos, John C. Roos 1953-8-9 Inyo Inyo Mountains infrequent in open places in pine forest; on rocky, dry north and west slopes; with Pinus aristata, Penstemon scapiodes, etc.; 3047 Comment
  CLARK-A1528-5104  Astragalus platytropis Alfred R. Roos, John C. Roos 1953-8-9 5961 Inyo Inyo Mountains 3078 Comment
  CLARK-A1528-5116  Eriastrum eremicum John C. Roos, Lucille Roos 1947-7-15 2825 Inyo Darwin Mesa 1523 Comment
  CLARK-A1528-5119  Artemisia nova John C. Roos 1951-8-8 5089 Inyo White Mountains 2590 Comment
  CLARK-A1528-5137  Cleomella brevipes John C. Roos 1937-8-4 1954 Inyo Owens Lake Comment
  CLARK-A1528-5156  Cordylanthus tecopensis John C. Roos, Lucille Roos 1954-9-14 6231 Inyo Shoshone 432 Comment
  CLARK-A1528-5159  Jamesia americana John C. Roos 1954-6-29 6186 Inyo Inyo Mountains 2194 Comment
  CLARK-A1528-5161  Ruppia maritima John C. Roos 1938-4-17 17 Inyo Badwater Comment
  CLARK-A1528-5164  Eriogonum heermannii var. argense John C. Roos 1953-8-8 5937 Inyo Inyo Mountains 2743 Comment
  CLARK-A1528-5166  Chrysothamnus albidus John C. Roos, Lucille Roos 1954-11-23 6529 Inyo Saline Valley 426 Comment
  CLARK-A1528-5173  Cordylanthus tecopensis John C. Roos, Lucille Roos 1954-9-15 6243 Inyo 426 Comment
  CLARK-A1528-5174  Cordylanthus tecopensis John C. Roos 1953-10-31 6033 Inyo Amargosa River 441 Comment
  CLARK-A1528-5202  Cordylanthus tecopensis John C. Roos 1950-4-8 4729 Inyo Tecopa 426 Comment
  CLARK-A1528-5222  Crepis nana John C. Roos 1947-7-13 2895 Inyo Panamint Mountains 3352 Comment
  CLARK-A1528-5223  Chaenactis douglasii John C. Roos 1947-7-13 2894 Inyo Panamint Mountains 3352 Comment
  CLARK-A1528-5228  Iva acerosa John C. Roos 1949-9-3 4651 Inyo Tecopa 457 Comment
  CLARK-A1528-5267  Stipa comata John C. Roos, Lucille Roos 1955-6-26 6162 Inyo Inyo Mountains 2621 Comment
  CLARK-A1528-5271  Stipa californica John C. Roos, Lucille Roos 1951-8-8 5107 Inyo White Mountains 3169 Comment
  CLARK-A1528-5272  Stipa pinetorum John C. Roos, Lucille Roos 1951-8-9 5121 Inyo White Mountains 3139 Comment
  CLARK-A1528-5275  Stipa pinetorum Alfred R. Roos, John C. Roos 1953-8-9 5967 Inyo Inyo Mountains 3230 Comment
  CLARK-A1528-5276  Stipa pinetorum John C. Roos, Alfred R. Roos 1954-6-12 6132 Inyo Panamint Range 2499 Comment
  CLARK-A1528-5288  Swallenia alexandrae John C. Roos 1954-6-28 6175 Inyo Eureka Valley 929 Comment
  CLARK-A1528-5294  Trisetum spicatum John C. Roos 1937-8-8 423 Inyo Lone Pine Canyon Comment
  CLARK-A1528-5295  Stipa speciosa John C. Roos 1938-4-18 8722 Inyo Death Valley National Park Comment
  CLARK-A1528-5315  Cyperus laevigatus John C. Roos, Lucille Roos 1953-11-2 6042 Inyo Tecopa Hot Springs 426 Comment
  CLARK-A1528-5340  Perityle megalocephala var. oligophylla John C. Roos 1953-8-10 5979 Inyo Inyo Mountains 2499 Comment
  CLARK-A1528-5341  Perityle megalocephala var. oligophylla John C. Roos 1953-8-10 5979 Inyo Inyo Mountains 2499 Comment
  CLARK-A1528-5342  Nitrophila mohavensis John C. Roos 1954-7-18 6194 Inyo Death Valley Junction 624 Comment
  CLARK-A1528-5343  Nitrophila mohavensis John C. Roos 1954-6-13 6140 Inyo Death Valley Junction 624 Comment
  CLARK-A1528-5353  Arctomecon merriamii John C. Roos, Lucille Roos 1954-5-8 6099 Inyo Grapevine Mountains 0 Comment
  CLARK-A1528-5354  Oenothera heterochroma subsp. monoensis John C. Roos, Alfred R. Roos 1954-8-14 6213 Inyo Inyo Mountains 2316 Comment
  CLARK-A1528-5355  Oenothera heterochroma subsp. monoensis John C. Roos, Alfred R. Roos 1954-8-14 6213 Inyo Inyo Mountains 2316 Comment
  CLARK-A1528-5368  Oenothera heterochroma subsp. monoensis John C. Roos, Alfred R. Roos 1954-8-14 6213 Inyo Inyo Mountains 2316 Comment
  CLARK-A1528-5371  Galium hypotrichium subsp. tomentellum John C. Roos 1941-8-17 Inyo Panamint Mountains 3291 Comment
  CLARK-A1528-5375  Perityle megalocephala John C. Roos, Alfred R. Roos 1954-8-14 6217 Inyo Inyo Mountains 2179 Comment
  CLARK-A1528-5376  Perityle megalocephala John C. Roos 1953-8-8 5938 Inyo Inyo Mountains 2743 Comment
  CLARK-A1528-5388  Caulanthus crassicaulis John C. Roos 1954-6-28 6168 Inyo Inyo Mountains 2255 Comment
  CLARK-A1528-5390  Lappula redowskii John C. Roos 1965-7-11 Inyo Wildrose Canyon Comment
  CLARK-A1528-5418  Nitrophila mohavensis John C. Roos 1954-5-7 6079 Inyo Death Valley Junction 624 Comment
  CLARK-A1528-5420  Nitrophila mohavensis John C. Roos 1954-7-18 6194 Inyo Death Valley Junction 624 Comment
  CLARK-A1528-5438  Phacelia vallis-mortae John C. Roos 1947-4-18 3475 Inyo Death Valley National Park Comment
  CLARK-A1528-5457  Chrysothamnus albidus John C. Roos 1954-8-15 6224 Inyo Saline Valley 426 Comment
  CLARK-A1528-5458  Chrysothamnus albidus John C. Roos, Lucille Roos 1954-11-23 6529 Inyo Saline Valley 426 Comment
  CLARK-A1528-5479  Acer glabrum John C. Roos 1947-7-13 2875 Inyo Panamint Mountains Comment
  CLARK-A1528-5485  Apocynum cannabinum John C. Roos 1965-7-11 Inyo Death Valley National Park Comment
  CLARK-A1528-5490  Tidestromia oblongifolia John C. Roos 1965-7-11 Inyo Stovepipe Wells Comment
  CLARK-A1528-5513  Chrysothamnus parryi subsp. asper John C. Roos 1948-7-3 3918 Inyo Panamint Mountains Comment
  CLARK-A1528-5555  Swallenia alexandrae John C. Roos, Lucille Roos 1955-4-10 6320 Inyo Eureka Valley Comment
  CLARK-A1528-5571  Eriogonum panamintense John C. Roos, Lucille Roos 7/15/1647 2870 Inyo Panamint Mountains Comment
  CLARK-A1528-5572  Eriogonum panamintense subsp. panamintense John C. Roos, Lucille Roos 1947-7-15 2869 Inyo Panamint Mountains 2133 Comment
  CLARK-A1528-5583  Oryzopsis hymenoides John C. Roos 1938-4-18 8717 Inyo Death Valley National Park Comment
  CLARK-A1528-5584  Andropogon virginicus John C. Roos 1947-1-26 3204 Inyo Death Valley Comment
  CLARK-A1528-5606  Haplopappus racemosus subsp. sessiliflorus John C. Roos 1965-9-18 Inyo Lone Pine Comment
  CLARK-A1528-5607  Haplopappus racemosus subsp. sessiliflorus John C. Roos 1965-9-18 Inyo Lone Pine Comment
  CLARK-A1528-5610  Chrysothamnus nauseosus John C. Roos 1965-9-18 Inyo Lone Pine Comment
  CLARK-A1528-5613  Chrysothamnus parryi subsp. asper John C. Roos 1948-7-3 3918 Inyo Panamint Mountains 3047 Comment
  CLARK-A1528-5643  Arabis perennans John C. Roos 1948-7-2 3907 Inyo Panamint Mountains Comment
  CLARK-A1528-5689  Eucnide urens John C. Roos 1947-4-19 3483 Inyo Death Valley National Park Comment
  CLARK-A1528-5734  Cordylanthus canescens John C. Roos 1955-8-28 6569 Inyo Owens Valley 1085 Comment
  CLARK-A1528-5735  Cordylanthus ramosus subsp. eremicus John C. Roos 1941-8-17 76 Inyo Panamint Mountains Comment
  CLARK-A1528-5736  Cordylanthus ramosus subsp. eremicus John C. Roos 1941-8-17 76 Inyo Panamint Mountains Comment
  CLARK-A1528-5813  Primula suffrutescens John C. Roos 1937-8-8 2378 Inyo Lone Pine Canyon Comment
  CLARK-A1528-7771  Scrophularia desertorum Alfred R. Roos, John C. Roos 1953-8-14 6026 Inyo Inyo Mountains 2499 Comment
  CLARK-A1528-7792  Chaenactis douglasii var. douglasii John C. Roos, Alfred R. Roos 1953-8-10 5974 Inyo Inyo Mountains 2560 Comment
  CLARK-A1528-7793  Aster pauciflorus John C. Roos 1949-6-28 4527 Inyo Tecopa 426 Comment
  CLARK-A1528-7794  Aster pauciflorus John C. Roos 1949-6-28 4527 Inyo Tecopa 426 Comment
  CLARK-A1528-7795  Aster pauciflorus John C. Roos 1949-6-28 4527 Inyo Tecopa 426 Comment
  CLARK-A1528-7799  Poa secunda Alfred R. Roos, John C. Roos 1953-8-13 6018 Inyo Inyo Mountains 3306 Comment
  CLARK-A1528-7806  Centaurium exaltatum John C. Roos 1947-4-20 3978 Inyo Furnace Creek 60 Comment
  CLARK-A1528-7817  Haplopappus acaulis Alfred R. Roos, John C. Roos 1953-8-9 5969 Inyo Inyo Mountains 3230 Comment
  CLARK-A1528-7823  Ribes velutinum Alfred R. Roos, John C. Roos 1953-8-10 5976 Inyo Mazourka Canyon 2438 Comment
  CLARK-A1528-7826  Festuca brachyphylla John C. Roos 1937-8-8 422 Inyo Lone Pine Canyon Comment
  CLARK-A1528-7833  Atriplex canescens John C. Roos, Lucille Roos 1953-11-2 6041 Inyo Tecopa 441 Comment
  CLARK-A1528-7834  Atriplex hymenelytra John C. Roos 1947-1-24 3211 Inyo Shoshone Comment
  CLARK-A1528-7835  Salicornia utahensis John C. Roos 1947-1-26 3205 Inyo Death Valley National Park Comment
  CLARK-A1528-7836  Salicornia utahensis John C. Roos 1947-1-26 3205 Inyo Death Valley National Park Comment
  CLARK-A1528-7838  Eurotia lanata John C. Roos 1938-4-18 8718 Inyo Death Valley National Park Comment
  CLARK-A1528-7871  Symphoricarpos parishii John C. Roos 1941-8-15 Inyo Panamint Range 2377 Comment
  CLARK-A1528-7884  Eriogonum microthecum var. lapidicola John C. Roos, Alfred R. Roos 1953-8-11 5985 Inyo Inyo Mountains 2864 Comment
  HSC78510  Galium hypotrichium subsp. tomentellum J. C. Roos 1965-7-10 Inyo Panamint Mtns., S slope of Telescope Peak, near peak Comment
  HSC78518  Brickellia oblongifolia var. oblongifolia J. C. Roos 1965-7-11 Inyo At and below Kilns, Wildrose Canyon; Panamint Range 1829 Comment
  HSC78525  Heliomeris multiflora J. C. Roos 1965-7-11 Inyo Wildrose Canyon, at kilns; Panamint Mtns. Comment
  HSC78532  Almutaster pauciflorus A. R. Roos 1950-8-7 Inyo Tecopa in Amargosa River Valley 428 Comment
  HSC78536  Atriplex parryi A. R. Roos 1950-8-7 Inyo Amargosa River Valley, Tecopa Hot Springs, ca. 2 mi. N of Tecopa 427 Comment
  HSC78589  Pericome caudata J. C. Roos 1956-8-29 6595 Inyo Head of Death Valley Canyon, Panamint Mtns. Comment
  JEPS50831  Lupinus shockleyi John C. Roos 1955-5-13 6360 Inyo sand dunes at mouth of Marble Canyon mouth of Marble Canyon (w side Eureka Valley); , Mouth of Marble Canyon 1036 Comment
  LA102180  Distichlis spicata Alfred R. Roos; 1950-8-7 sn Inyo Amargosa River Valley, Tecopa Hot Springs, about 2 mi. N of Tecopa 426 Comment
  LA102201  Cryptantha roosiorum John C. Roos; 1958-7-5 Inyo Inyo Mountains, Near Badger Flat Comment
  LA102202  Poa secunda John C. Roos; Lucille Roos 1954-5-7 6076 Inyo Amargosa Desert, 3 mi. NE of Death Valley Junction on Ash Meadows road 624 Comment
  LA102245  Atriplex canescens var. canescens John C. Roos; Alfred R. Roos 1953-8-14 6031 Inyo Inyo Mountains, Al Rose Canyon 2133 Comment
  LA102246  Krascheninnikovia lanata John C. Roos; Alfred R. Roos 1953-8-14 6028 Inyo Inyo Mountains, Al Rose Canyon 2255 Comment
  LA102276  Bahia neomexicana J. C. Roos; 1965-7-11 Inyo Panamint Mountains, Wildrose Canyon, at kilns Comment
  LA102278  Pericome caudata J. C. Roos; 1956-8-29 6595 Inyo Panamint Mountains, at the head of Death Valley Canyon Comment
  LA102325  Penstemon scapoides John C. Roos; 1958-7-5 sn Inyo Inyo Mountains, Near Badger Flat Comment
  LA102336  Atriplex lentiformis Alfred R. Roos; 1950-8-7 sn Inyo China Ranch on the Amargosa River S of Tecopa 426 Comment
  LA102337  Atriplex lentiformis Alfred R. Roos; 1950-8-7 sn Inyo Tecopa in the Amargosa River Valley 426 Comment
  LA102340  Atriplex polycarpa Alfred R. Roos; 1950-8-7 sn Inyo China Ranch on the Amargosa River S of Tecopa 426 Comment
  LA102344  Brickellia multiflora John C. Roos; Alfred R. Roos 1953-8-14 6032 Inyo Inyo Mountains, Mazourka Canyon 1767 Comment
  LA102352  Pyrrocoma racemosa var. paniculata Alfred R. Roos; 1950-8-7 sn Inyo Amargosa River Valley, Tecopa Hot Springs, about 2 mi. N of Tecopa 426 Comment
  LA102355  Stipa hymenoides John C. Roos; Alfred R. Roos 1953-8-13 6013 Inyo Inyo Mountains, crest of Inyo Mts. 3 mi. E of Badger Flat 3169 Comment
  LA102366  Iva acerosa Alfred R. Roos; 1950-8-7 Inyo Tecopa in Amargosa River Valley 426 Comment
  LA102384  Chrysothamnus viscidiflorus subsp. puberulus J. C. Roos; A. R. Roos 1955-8-24 6542 Inyo Last Chance Mountains, 1 mi. NE of Willow Spring 1859 Comment
  LA202524  Erigeron compositus John C. Roos; Alfred R. Roos 1953-8-9 5973 Inyo Inyo Mountains, Tamarack Canyon 2743 Comment
  LA202892  Lomatium inyoense John Roos; Lucille Roos 1954-6-24 6148 Inyo Inyo Mountains, pass at crest of Inyo Mts. near Side Hill Spring, 3 mi. E of Badger Flat 3108 Comment
  LA203167  Chrysothamnus albidus J. C. Roos; A. R. Roos 1954-8-15 6224 Inyo Lower Warm Spring, Saline Valley 426 Comment
  LA28767  Cymopterus cinerarius John C. Roos; Alfred R. Roos 1953-8-9 5959 Inyo Inyo Mountains, Tamarack Canyon, near head of canyon 3047 Comment
  LA54210  Monardella odoratissima subsp. parvifolia John C. Roos; Lucille Roos 1952-7-27 5828 Inyo White Mountains, W rim Reed Flat 3108 Comment
  LA69888  Salvia dorrii var. pilosa J. C. Roos; A. R. Roos 1953-8-9 5947 Inyo Inyo Mountains, Tamarack Canyon 2682 Comment
  NY185734  Stanleya pinnata subsp. inyoensis J. C. Roos 1954-6-28 6177 Inyo Southeast end of Eureka Valley 3000 Comment
  NY215265  Streptanthus cordatus J. C. Roos 1953-8-11 6007 Inyo 3 miles east of Badger Flat, Inyo Mts. 3048.0 Comment
  NY242910  Eriogonum caespitosum J. C. Roos 1952-7-27 5827 Inyo West rim Reed Flat, White Mts. Comment
  NY280872  Eriogonum heermannii var. argense J. C. Roos 1951-8-12 5191 Inyo Westgaard Pass, White Mtns. 2194.6 Comment
  NY282224  Eriogonum microthecum var. lapidicola J. C. Roos 1953-8-7 5931 Inyo Badger Flat near Blue Bell Mine, Inyo Mts. 2682.2 Comment
  NY282410  Eriogonum ovalifolium var. nivale J. C. Roos 1952-7-27 5833 Inyo SE rim Reed Flat, White Mts. 3139.4 Comment
  NY324360  Nitrophila mohavensis J. C. Roos 1954-6-13 6140 Inyo This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY32586  Nitrophila mohavensis J. C. Roos 1954-7-18 6194 Inyo This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY32588  Nitrophila mohavensis J. C. Roos 1953-11-1 6036 Inyo This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY32589  Nitrophila mohavensis J. C. Roos 1954-9-14 6234 Inyo This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY32590  Nitrophila mohavensis J. C. Roos 1954-5-7 6079 Inyo This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY406048  Lomatium inyoense J. C. Roos 1954-6-24 6148 Inyo Pass at crest of Inyo Mountains, near Side Hill Spring, 3 miles east of Badger Flat 3109.0 Comment
  NY526835  Atriplex confertifolia A. R. Roos 1953-8-10 5978 Inyo Mazourka Canyon, Inyo Mountains 2438.4 Comment
  NY593852  Penstemon floridus var. floridus J. C. Roos 1951-8-7 5084 Inyo West side Westgaard Pass, White Mountains 2133.6 Comment
  NY650664  Penstemon rostriflorus J. C. Roos 1952-7-28 5848 Inyo Wyman Canyon, White Mountains 2743.2 Comment
  NY651575  Penstemon scapoides J. C. Roos 1951-8-9 5122 Inyo East side Reed Flat, White Mountains 3048.0 Comment
  NY651577  Penstemon scapoides J. C. Roos 1953-8-8 5936 Inyo Hill behind Blue Bell Mine, Badger Flat, Inyo Mountains 2743.2 Comment
  NY660822  Penstemon speciosus J. C. Roos 1952-7-27 5834 Inyo Reed Flat, White Mountains 3169.9 Comment
  NY660823  Penstemon speciosus J. C. Roos 1954-6-29 6187 Inyo The Narrows, Marble Canyon, Inyo Mountains 2194.6 Comment
  NY674619  Astragalus inyoensis J. C. Roos 1955-5-15 6371 Inyo 0.5 mile west of Willow Spring. Last Chance Mountains 1768 Comment
  NY675228  Astragalus kentrophyta var. elatus J. C. Roos 1952-7-26 5820 Inyo East side Reed Flat at head of Birch Creek, White Mountains 3048 Comment
  NY675417  Astragalus kentrophyta var. implexus J. C. Roos 1951-8-9 5124 Inyo Reed Flat, White Mountains 3170 Comment
  NY675942  Astragalus lentiginosus var. semotus J. C. Roos 1953-8-9 5965 Inyo Upper end of Tamarack Canyon, Inyo Mountains 3109 Comment
  NY676927  Astragalus newberryi var. castoreus J. C. Roos 1953-8-9 5957 Inyo Tamarack Canyon, Inyo Mountains 3048 Comment
  NY677409  Astragalus oophorus var. oophorus J. C. Roos 1952-7-29 5857 Inyo Reed Flat, White Mountains 3078 Comment
  NY716963  Trifolium andersonii var. beatleyae J. C. Roos 1951-8-8 5110 Inyo North rim Reed Flat, White Mountains 3170 Comment
  NY790409  Keckiella rothrockii var. rothrockii J. C. Roos 1953-8-10 5980 Inyo Branch of Mazourka Canyon, Inyo Mountains 2529.8 Comment
  NY833673  Horkelia hispidula J. C. Roos 1952-7-28 5856 Inyo Head of Wyman Canyon, White Mountains 3200 Comment
  NY848600  Cercocarpus intricatus J. C. Roos 1953-8-10 5975 Inyo Mazourka Canyon, Inyo Mountains 2469 Comment
  OBI30454  Sambucus nigra subsp. caerulea John C. Roos 1965-6-11 s.n. Inyo Upper Wildrose cyn, Panamint mtns Comment
Read comments
Apr 25 2019
  OBI39262  Eriogonum umbellatum J. C. Roos 1948-7-3 3903 Inyo Arcane Meadows, Panamint Mts Comment
  POM261189  Tetradymia canescens J. C. Roos 1941-8-17 56 Inyo Panamint Mountains: 3048 Comment
  POM261194  Ribes velutinum J. C. Roos 1941-8-17 60 Inyo Trail to Telescope Peak, Panamint Mts. 2652 Comment
  POM261202  Pinus longaeva J. C. Roos 1941-8-17 117 Inyo Telescope Peak, Panamint Mts. 3293 Comment
  POM261205  Keckiella rothrockii subsp. rothrockii J. C. Roos 1941-8-17 64 Inyo Wildroe Canyon, Panamint Mtns. Comment
  POM261391  Eriogonum umbellatum var. versicolor J. C. Roos 1941-8-17 s.n. Inyo Panamint Mountains; Baldy Peak 3049 Comment
  POM261395  Purshia stansburyana J. C. Roos 1941-8-17 71 Inyo Panamint Mountains; Wildrose Canyon at Kilns Comment
  POM261396  Cordylanthus eremicus subsp. eremicus J. C. Roos 1941-8-17 76 Inyo Panamint Mountains; Wildrose Canyon at Kilns Comment
  POM261397  Chrysothamnus nauseosus subsp. consimilis J. C. Roos 1941-8-17 57 Inyo Panamint Mts 2896 Comment
  POM261398  Chrysothamnus viscidiflorus var. puberulus J. C. Roos 1941-8-15 70 Inyo Wildrose Canyon by Kilns, Panamint Mountains. Comment
  POM261401  Chamaebatiaria millefolium J. C. Roos 1941-8-17 28 Inyo Panamint Mountains Comment
  POM261413  Gutierrezia sarothrae J. C. Roos 1941-8-17 54 Inyo Panamint Mountains; Baldy Peak 2805 Comment
  POM261423  Viguiera multiflora var. nevadensis J. C. Roos 1941-8-17 72 Inyo Panamint Mountains; Wildrose Canyon at Kilns Comment
  POM261424  Eriogonum umbellatum var. subaridum J. C. Roos 1941-8-15 69 Inyo Wildrose Canyon by Kilns, Panamint Mountains. Comment
  POM261427  Eriogonum eremicola J. C. Roos 1941-8-17 53 Inyo Panamint Mountains; Baldy Peak 2805 Comment
  POM261428  Eriogonum microtheca var. panamintense J. C. Roos 1941-8-15 73 Inyo Mahogany Flats 2470 Comment
  POM263111  Trisetum spicatum J. C. Roos 1937-8-8 423 Inyo Lone Pine Canyon. 3049 Comment
  POM263112  Holcus lanatus J. C. Roos 1937-8-4 420 Inyo Independence. Comment
  POM263125  Pinus balfouriana J. C. Roos 1937-8-8 341 Inyo Lone Pine Canyon. 2744 Comment
  POM263158  Lewisia glandulosa J. C. Roos 1937-8-8 343 Inyo Lone Pine Canyon. 3049 Comment
  POM263462  Agrostis idahoensis J. C. Roos 1937-8-8 424 Inyo Lone Pine Canyon. 2744 Comment
  POM263466  Festuca saximontana J. C. Roos 1937-8-8 417 Inyo Lone Pine Canyon. 3049 Comment
  POM263484  Swertia perennis J. C. Roos 1937-8-8 527 Inyo Lone Pine Canyon. 2744 Comment
  POM263544  Ivesia pygmaea J. C. Roos 1937-8-8 538 Inyo Lone Pine Canyon. 3049 Comment
  POM263545  Ivesia pygmaea J. C. Roos 1937-8-8 534 Inyo Lone Pine Canyon. 2744 Comment
  POM264156  Sibbaldia procumbens J. C. Roos 1937-8-8 535 Inyo Lone Pine Canyon. 2744 Comment
  POM265647  Silene sargentii J. C. Roos 1937-8-8 1018 Inyo Lone Pine Canyon. 3506 Comment
  POM265659  Draba breweri J. C. Roos 1937-8-8 2199 Inyo Consolation Lake, Lone Pine Canyon. Comment
  POM265666  Cleomella brevipes J. C. Roos 1937-8-4 1954 Inyo Owens Lake Comment
  POM265708  Chenopodium botrys J. C. Roos 1937-8-9 2523 Inyo Olancha. Comment
  POM266281  Solidago confinis J. C. Roos 1938-4-17 1637 Inyo Furnace Creek Spring, Death Valley. Comment
  POM266293  Baccharis salicifolia J. C. Roos 1938-4-15 1627 Inyo on stony bank, Darwin Fall. Comment
  POM266369  Artemisia ludoviciana subsp. ludoviciana J. C. Roos 1937-8-4 2444 Inyo along a stream-bed, Independence Comment
  POM274200  Eriogonum fasciculatum var. polifolium J. C. Roos 1947-7-15 2872 Inyo Wildrose Canyon. Panamint Mountain Range. 1982 Comment
  POM274203  Brickellia multiflora J. C. Roos 1947-9-18 2792 Inyo Wildrose Canyon, Panamint Mts. 1067 Comment
  POM274204  Brickellia microphylla J. C. Roos 1947-9-18 2793 Inyo Wildrose Canyon at Kilns Comment
  POM274207  Sphaeromeria cana J. C. Roos 1947-9-19 2797 Inyo Slopes around summit of Telescope Peak, Panamint Mts. 3354 Comment
  POM274208  Ericameria gilmanii J. C. Roos 1947-9-19 2798 Inyo Panamint Mountains; Ridge SE of Telescope Peak. 3354 Comment
  POM274209  Chrysothamnus nauseosus subsp. hololeucus J. C. Roos 1947-9-19 1949 Inyo Rocky ridge between Telescope Peak and Raldy Peak, Panamint Mt. 3049 Comment
  POM274216  Artemisia tridentata J. C. Roos 1947-9-20 2807 Inyo Panamint Mountain Range, Wildrose Canyon 2378 Comment
  POM274219  Calochortus flexuosus J. C. Roos 1947-7-13 2863 Inyo Telescope Peak, Panamint Mountains. 3049 Comment
  POM274221  Jamesia americana var. rosea J. C. Roos 1947-7-14 2848 Inyo Panamint Mountains, north slope of Baldy Peak 2744 Comment
  POM274226  Eriogonum brachypodum J. C. Roos 1947-7-15 2823 Inyo Darwin Mesa. Comment
  POM274230  Eriogonum heermannii J. C. Roos 2830 Inyo Wildrose Canyon. Panamint Mountain Range. 1280 Comment
  POM274233  Chrysothamnus viscidiflorus var. puberulus J. C. Roos 1947-7-11 2843 Inyo Mahogany Flats. 2470 Comment
  POM301597  Phacelia frigida subsp. dasyphylla J. C. Roos 1937-8-8 1021 Inyo Consolation Lake, Lone Pine Canyon. Comment
  POM431193  Brickellia californica J. C. Roos 1956-8-29 6594 Inyo Head of Death Valley Canyon. Comment
  RSA100186  Eriogonum shockleyi var. shockleyi J. C. Roos 1955-6-19 6449 Inyo Whitetop Peak, Last Chance Mts. 2 miles west of Last Chance spring. Comment
  RSA100220  Astragalus lentiginosus var. micans J. C. Roos 1954-8-13 6206 Inyo West base of sand dunes, Eureka Valley. 929 Comment
  RSA104137  Chaetadelpha wheeleri J. C. Roos 1955-5-13 6364 Inyo West side Eureka Valley at mouth of Marble Canyon. 1037 Comment
  RSA104817  Tridens muticus J. C. Roos 1955-5-13 6339 Inyo West base Last Chance Mountains, east of Eureka Valley sand dunes 1220 Comment
  RSA104818  Oenothera avita subsp. eurekensis J. C. Roos 1955-5-13 6356 Inyo SE end of Eureka Valley. 945 Comment
  RSA104820  Chaetadelpha wheeleri J. C. Roos 1955-5-13 6357 Inyo Eureka Valley. 976 Comment
  RSA104823  Stanleya pinnata var. inyoensis J. C. Roos 1955-5-13 6353 Inyo SE end Eureka Valley 915 Comment
  RSA104834  Achnatherum aridum J. C. Roos 1955-5-13 6346 Inyo West base Last Chance Mountains, east of Eureka Valley sand dunes 1220 Comment
  RSA104835  Hecastocleis shockleyi J. C. Roos 1955-5-13 6348 Inyo West base Last Chance Mountains, east of Eureka Valley sand dunes. 1220 Comment
  RSA105006  Aristida purpurea var. nealleyi J. C. Roos 1955-5-13 6338 Inyo West base Last Chance Mountains, east of Eureka Valley sand dunes 1220 Comment
  RSA105007  Lycium cooperi J. C. Roos 1955-5-15 6381 Inyo Willow Creek, Last Chance Mts. 1646 Comment
  RSA105012  Tricardia watsonii J. C. Roos 1955-5-16 6388 Inyo Along Loretto road 3 miles SW of Loretto mine, Inyo Mts. 1860 Comment
  RSA105017  Corispermum villosum J. C. Roos 1955-5-13 6361 Inyo West side Eureka Valley at mouth of Marble Canyon. 1037 Comment
  RSA105018  Camissonia pusilla J. C. Roos 1955-5-15 6363 Inyo Last Chance Mountains: 0.5 miles west of Willow Springs. 1768 Comment
  RSA105022  Astragalus inyoensis J. C. Roos 1955-5-15 6371 Inyo Last Chance Mountains: 0.5 miles west of Willow Springs. 1767 Comment
  RSA105023  Astragalus serenoi J. C. Roos 1955-5-15 6372 Inyo Last Chance Mountains: 0.5 miles west of Willow Springs. 1767 Comment
  RSA105027  Tricardia watsonii J. C. Roos, L. Roos 1955-5-15 6376 Inyo 1 mile SE of Willow Spring, Last Chance Mts. 1951 Comment
  RSA105034  Bromus berteroanus J. C. Roos 1955-5-13 6330 Inyo West base Last Chance Mts., east of Eureka Valley sand dunes 1220 Comment
Read comments
Mar 27 2011
  RSA105038  Brickellia arguta J. C. Roos 1955-5-13 6337 Inyo West base Last Chance Mountains, east of Eureka Valley sand dunes 1220 Comment
  RSA105039  Amphipappus fremontii J. C. Roos 1955-5-13 6336 Inyo West base Last Chance Mountains, east of Eureka Valley sand dunes 1220 Comment
  RSA105042  Stanleya pinnata var. inyoensis J. C. Roos 1955-5-13 6366 Inyo West side Eureka Valley at mouth of Marble Canyon. 1037 Comment
  RSA105044  Ribes velutinum J. C. Roos 1955-5-15 6368 Inyo 0.5 mile west of Willow Spring, Last Chance Mts. 1768 Comment
  RSA105045  Menodora spinescens J. C. Roos 1955-5-15 6369 Inyo Last Chance Mountains: 0.5 miles west of Willow Springs. 1768 Comment
  RSA107082  Eriogonum kearneyi subsp. monoense J. C. Roos, A. R. Roos 1954-8-15 6219 Inyo Whipoorwill (or Soldier) Flat, east side Waucoba Mtn., Inyo Mountains. 2165 Comment
  RSA115825  Tetradymia axillaris J. C. Roos 1955-5-16 6390 Inyo Waucoba road 7 mi E of Big Pine, W side Inyo Mtns. 1616 Comment
  RSA153098A  Muhlenbergia asperifolia J. C. Roos 1955-7-23 6514 Inyo Beveridge Canyon, E base of Mtns, Saline Valley 640 Comment
  RSA153104B  Panicum capillare J. C. Roos, E. C. Jaeger 1955-7-23 6518 Inyo Saline Valley below mouth of Hunter Canyon 351 Comment
  RSA155165  Chrysothamnus viscidiflorus subsp. viscidiflorus J. C. Roos 1955-8-26 6553 Inyo N shoulder Waucoba Mts, Inyo Mts 3201 Comment
  RSA155643  Streptanthus cordatus J. C. Roos 1955-6-17 6399 Inyo 2 miles north of Willow Spring, Last Chance Mountains. 2011 Comment
  RSA155647  Viguiera multiflora var. nevadensis J. C. Roos 1955-6-17 6400 Inyo 2 miles north of Willow Spring, Last Chance Mountains. 2011 Comment
  RSA155651  Oenothera avita subsp. avita J. C. Roos 1955-6-17 6395 Inyo 2 miles NE of Willow Springs, Last Chance Mountains. 2012 Comment
  RSA155652  Camissonia boothii subsp. intermedia J. C. Roos 1955-6-17 6396 Inyo 2 miles north of Willow Spring, Last Chance Mountains. 2012 Comment
  RSA155655  Cordylanthus kingii subsp. helleri J. C. Roos, A. R. Roos 1955-8-25 6548 Inyo Soldier flat, east base Waucoba Mts. Inyo Mts. 2165 Comment
  RSA155656  Krascheninnikovia lanata J. C. Roos, A. Roos 1955-8-25 6547 Inyo Little Cowhorn Valley, Inyo Mts. 2188 Comment
  RSA155657  Muhlenbergia porteri J. C. Roos, A. R. Roos 1955-8-25 6546 Inyo Loretto road,1 mile west of Loretto Mine east Inyo Mts. 1585 Comment
  RSA155659  Chrysothamnus viscidiflorus subsp. viscidiflorus J. C. Roos 1955-8-25 6544 Inyo Along California Nevada boundaary, 2 miles NE of Willow Spring, Last Chance Mts. 2073 Comment
  RSA155661  Chrysothamnus viscidiflorus var. puberulus J. C. Roos 1955-8-24 6542 Inyo 1mile NE of Willow Spring 1860 Comment
  RSA155662  Chrysothamnus nauseosus subsp. hololeucus J. C. Roos 1955-8-24 6541 Inyo Last Chance Mts, 0.2 miles E of Willow Spring 1860 Comment
  RSA155665  Pleuraphis jamesii J. C. Roos 1955-6-17 6404 Inyo 2 miles north of Willow Spring, Last Chance Mountains. 2011 Comment
  RSA155666  Penstemon speciosus J. C. Roos 1955-6-17 6402 Inyo 2 miles NE of Willow Springs, Last Chance Mountains. 2012 Comment
  RSA155671  Calochortus bruneaunis J. C. Roos 1955-6-17 6410 Inyo 2 miles NE of Willow Springs, Last Chance Mountains. 2012 Comment
  RSA155672  Astragalus purshii var. tinctus J. C. Roos 1955-6-17 6409 Inyo 2 miles NE of Willow Springs, Last Chance Mountains. 2012 Comment
  RSA155674  Eucrypta micrantha J. C. Roos 1955-6-17 6413 Inyo 2 miles north of Willow Spring, Last Chance Mountains. 2012 Comment
  RSA155675  Symphoricarpos longiflorus J. C. Roos 1955-6-17 6414 Inyo 2 miles north of Willow Spring, Last Chance Mountains. 2011 Comment
  RSA155676  Chaenactis douglasii var. douglasii J. C. Roos 1955-6-17 6415 Inyo 2 miles north of Willow Spring, Last Chance Mountains. 2011 Comment
  RSA155679  Chaenactis xantiana J. C. Roos 1955-6-17 6418 Inyo 2 miles NE of Willow Springs, Last Chance Mountains. 2012 Comment
  RSA155680  Galium multiflorum J. C. Roos 1955-6-17 6419 Inyo 2 miles NE of Willow Springs, Last Chance Mountains. 2012 Comment
  RSA155681  Oenothera cespitosa subsp. crinita J. C. Roos 1955-6-19 6446 Inyo Last Chance Mountains: Whitetop Peak, 2 miles west of Last Chance Spring. 2576 Comment
  RSA155683  Chorizanthe brevicornu var. spathulata J. C. Roos 1955-6-20 6459 Inyo Last Chance Mountains 2 miles NE of Willow Spring. Comment
  RSA155684  Sporobolus cryptandrus J. C. Roos 1955-6-20 6458 Inyo Last Chance Mountains 2 miles NE of Willow Spring. Comment
  RSA155687  Poa fendleriana J. C. Roos 1955-6-20 6455 Inyo Last Chance Mountains, 2 miles NE of Willow Spring. 2012 Comment
  RSA155688  Phlox stansburyi subsp. superba J. C. Roos 1955-6-20 6454 Inyo Last Chance Mountains, 2 miles NE of Willow Spring. 2012 Comment
  RSA155689  Hesperostipa comata subsp. comata J. C. Roos 1955-6-19 6453 Inyo Willow Spring, Last Chance Mountains 1829 Comment
  RSA155699  Eriogonum brachypodum J. C. Roos 1955-7-22 6498 Inyo Last Chance Mountains, Willow Creek, west slope of mountains 1616 Comment
  RSA155700  Camissonia boothii subsp. desertorum J. C. Roos 1955-7-22 6497 Inyo Last Chance Mountains, Willow Creek, west slope of mountains 1616 Comment
  RSA155703  Purshia stansburyana J. C. Roos 1955-7-21 6492 Inyo Last Chance Mountains 1miles south of Willow Spring 2073 Comment
  RSA155711  Fendlerella utahensis J. C. Roos 1955-7-21 6486 Inyo Last Chance Mountains: Whitetop Peak, summit 2530 Comment
  RSA155712  Abronia nana var. covillei J. C. Roos 1955-7-21 6485 Inyo Whitetop Peak, summit Last Chance Mountains 2561 Comment
  RSA155715  Eriogonum heermannii var. argense J. C. Roos, A. R. Roos 1955-8-24 6537 Inyo Ridge 2 miles south of Willow Spring, Last Chance Mts. 2287 Comment
  RSA155716  Ericameria nana J. C. Roos 1955-8-24 6538 Inyo Last Chance Mountains: Summit ridge, 3.5 mi. S of Willow Spring 2439 Comment
  RSA155721  Gilia ophthalmoides J. C. Roos 1955-6-17 6393 Inyo 2 miles north of Willow Spring, Last Chance Mountains. 2011 Comment
  RSA155724  Penstemon scapoides J. C. Roos 1955-6-19 6442 Inyo Last Chance Mountains: 3.5 miles south of Willow Spring 2439 Comment
  RSA155725  Fraxinus anomala J. C. Roos 1955-6-19 6441 Inyo Last Chance Mtns, 3 miles S of Willow Spring 2378 Comment
  RSA155728  Arenaria kingii subsp. compacta J. C. Roos 1955-6-19 6447 Inyo Last Chance Mountains: Whitetop Peak, 2 miles west of Last Chance Spring. 2576 Comment
  RSA155730  Cercocarpus intricatus J. C. Roos 1955-6-19 6452 Inyo Summit ridge of Last Chance Mountains 2 miles west of Last Chance Spring. 2561 Comment
  RSA155732  Ribes cereum J. C. Roos 1955-6-19 6450 Inyo Last Chance Mountains: Whitetop Peak, 2 miles west of Last Chance Spring. 2576 Comment
  RSA155734  Gayophytum ramosissimum J. C. Roos 1955-6-21 6462 Inyo Last Chance Mountains 2miles NE of Willow Spring. 1951 Comment
  RSA155743  Eriogonum shockleyi var. shockleyi J. C. Roos 1955-7-21 6484 Inyo Whitetop Peak, summit Last Chance Mountains 2561 Comment
  RSA155744  Pinus longaeva J. C. Roos 1955-7-21 6483 Inyo Whitetop Peak, summit Last Chance Mountains 2500 Comment
  RSA155748  Cercocarpus ledifolius J. C. Roos 1955-7-21 6479 Inyo Crest of Last Chance Mountains, 2.5 miles south of Willow Spring. 2378 Comment
  RSA155757  Eriogonum panamintense var. panamintense J. C. Roos, A. R. Roos 1955-8-27 6562 Inyo Soldier Flat, east base Waucoba Mt., Inyo Mountains. 2165 Comment
  RSA155758  Sporobolus cryptandrus J. C. Roos 1955-8-26 6560 Inyo Soldier Flat, east base Waucoba Mt. Inyo Mountains 2165 Comment
  RSA155762  Achnatherum occidentale subsp. occidentale J. C. Roos, A. R. Roos 1955-8-26 6556 Inyo N shoulder Waucoba Mts, Inyo Mts 3354 Comment
  RSA155765  Chrysothamnus viscidiflorus subsp. viscidiflorus J. C. Roos, A. R. Roos 1955-8-26 6553 Inyo N shoulder Waucoba Mts, Inyo Mts 3201 Comment
  RSA155766  Ericameria discoidea J. C. Roos, A. R. Roos 1955-8-26 6552 Inyo North shoulder of Waucoba Mtn. 3262 Comment
  RSA157081  Frasera albomarginata J. C. Roos 1955-6-19 6437 Inyo Last Chance Mountains: 2.5 miles south of Willow Spring 2317 Comment
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Sep 5 2013
  RSA157085  Astragalus inyoensis J. C. Roos 1955-6-19 6433 Inyo One mile south of Willow Springs, Last Chance Mountains 2195 Comment
  RSA157086  Eriogonum umbellatum var. versicolor J. C. Roos 1955-6-19 6432 Inyo One mile SE of Willow Spring, Last Chance Mountains. 1951 Comment
  RSA157093  Centrostegia thurberi var. thurberi J. C. Roos 1955-6-18 6422 Inyo 2 mi. NE of Willow Spring. 2012 Comment
  RSA157094  Chorizanthe watsonii J. C. Roos 1955-6-18 6421 Inyo 2 mi. NE of Willow Spring. 2012 Comment
  RSA157097  Sporobolus cryptandrus J. C. Roos, A. R. Roos 1955-8-23 6532 Inyo Canyon at West base Last Chance Mountains, east of Eureka Valley sand dunes. 1220 Comment
  RSA157104  Allium atrorubens var. inyonis J. C. Roos 1955-6-19 6439 Inyo Last Chance Mountains, 3 miles south of Willow Spring. 2287 Comment
  RSA157865  Stenotus acaulis J. C. Roos 1955-6-19 6445 Inyo Summit ridge Last Chance Mtns., 2 miles W of Last Chance Spring. 2530 Comment
  RSA157866  Gutierrezia microcephala J. C. Roos 1955-8-24 6540 Inyo Last Chance Mts, 1.5 miles NE of Willow Spring 1890 Comment
  RSA157867  Petrophytum caespitosum J. C. Roos, A. R. Roos 1955-8-26 6550 Inyo Canyon on east side of saddle between Squaw Peak and Waucoda Mt. Inyo mts. 2683 Comment
  RSA158096  Sporobolus cryptandrus J. C. Roos, E. C. Jaeger 1955-7-23 6517 Inyo Saline Valley below mouth of Hunter Canyon 351 Comment
  RSA158100  Eriogonum brachyanthum J. C. Roos 1955-7-24 6523 Inyo Nelson Range near head of Grapevine Canyon 1890 Comment
  RSA158103  Eriogonum deflexum var. baratum J. C. Roos 1955-7-24 6519 Inyo Nelson Range near head of Grapevine Canyon 1890 Comment
  RSA158107  Adiantum capillus-veneris J. C. Roos 1955-7-23 6512 Inyo Mouth of Beveridge Canyon, E base of mountains, Saline Valley. 610 Comment
  RSA158108  Dichanthelium acuminatum var. fasciculatum J. C. Roos 1955-7-23 6511 Inyo Mouth of Beveridge Canyon, east base Inyo Mts., Saline Valley 610 Comment
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Mar 14 2008
  RSA158112  Eriogonum cernuum J. C. Roos 1955-7-23 6507 Inyo Soldier Flat at east base Waucoba Mountain, Inyo Mountains. 2195 Comment
  RSA158114  Chenopodium leptophyllum J. C. Roos 1955-7-23 6506 Inyo Soldier Flat at east base Waucoba Mountain, Inyo Mountains. 2195 Comment
  RSA158115  Oxytheca dendroidea subsp. dendroidea J. C. Roos 1955-7-23 6504 Inyo Soldier Flat at east base Waucoba Mountain, Inyo Mountains. 2195 Comment
  RSA158119  Lepidospartum latisquamum J. C. Roos 1955-7-22 6500 Inyo Willow Creek, W slope Last Chance Mtns 2241 Comment
  RSA261210  Oenothera cespitosa subsp. crinita J. C. Roos 1941-8-17 24 Inyo Telescope peak, Panamint Mts. 3354 Comment
  RSA34193  Sphaeromeria cana J. C. Roos 1947-9-19 2797 Inyo Summit of Telescope Peak, Panamint Mts. 3354 Comment
  RSA34194  Brickellia microphylla J. C. Roos 1947-9-18 2793 Inyo Wildrose Canyon at Kilns Comment
  RSA34198  Artemisia tridentata subsp. vaseyana J. C. Roos 1947-9-19 2796 Inyo Panamint Mountains; Ridge SE of Telescope Peak. 3354 Comment
  RSA34200  Artemisia tridentata subsp. vaseyana J. C. Roos 1947-9-20 2807 Inyo Panamint Mountain Range, Wildrose Canyon 2378 Comment
  RSA34203  Artemisia tridentata subsp. vaseyana J. C. Roos 1947-9-19 2803 Inyo Panamint Mountain Range, south slope Baldy Peak 2988 Comment
  RSA34204  Artemisia tridentata subsp. vaseyana J. C. Roos 1947-9-20 2805 Inyo Mahogany Flats, Panamint Mts., 2591 Comment
  RSA40534  Achnatherum pinetorum J. C. Roos 1947-7-11 2901 Inyo Mahogany Flats, Panamint Mts. 2499 Comment
  RSA40546  Amelanchier utahensis subsp. covillei J. C. Roos 1947-7-12 2832 Inyo Thorndykes Spring, WIldrose Canyon, Panamint Mts. Comment
  RSA40547  Hesperostipa comata subsp. comata J. C. Roos 1947-7-12 2833 Inyo Wildrose canyon, Panamint Mountains. 2378 Comment
  RSA40549  Rosa woodsii subsp. gratissima J. C. Roos 1947-7-12 2837 Inyo Panamint Mountains: Thorndykes Springs, Wildrose Canyon. 2409 Comment
  RSA40550  Astragalus oophorus J. C. Roos 1947-7-11 2839 Inyo Mahogany Flats, Panamint Mts. Comment
  RSA40553  Gutierrezia sarothrae J. C. Roos 1947-7-11 2842 Inyo Mahogany Flats, Panamint mtns. 2500 Comment
  RSA40571  Acamptopappus shockleyi J. C. Roos 1947-4-20 3519 Inyo Panamint Mountains, Emigrant Pass. 1280 Comment
  RSA40576  Sphaeromeria cana J. C. Roos 1947-7-13 2877 Inyo Summit of Telescope Peak 3363 Comment
  RSA40577  Purshia stansburyana J. C. Roos 1947-7-14 2879 Inyo Mahogany Flats. Panamint Mtns. 2470 Comment
  RSA40579  Linum lewisii J. C. Roos 1947-7-13 2886 Inyo Arcane Meadows, Panamint Mountains. 3049 Comment
  RSA40580  Astragalus gilmanii J. C. Roos 1947-7-13 2887 Inyo Arcane Meadows, Panamint Mountains. 3049 Comment
  RSA40583  Elymus elymoides J. C. Roos 1947-7-13 2890 Inyo Near Arcane Meadows, Panamint Mountains. 3018 Comment
  RSA40589  Sambucus mexicana J. C. Roos 1947-7-11 2846 Inyo Upper Wildrose Canyon, Panamint Mountains. Comment
  RSA40590  Koeleria macrantha J. C. Roos 1947-7-11 2847 Inyo Wildrose Canyon, Panamint Mountains 2378 Comment
  RSA40598  Calochortus panamintensis J. C. Roos 1947-7-13 2863 Inyo Telescope Peak, Panamint Mountains 3049 Comment
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Jul 18 2011
  RSA40599  Penstemon fruticiformis J. C. Roos 1947-7-15 2867 Inyo Rocky slope of canyon bottom, Wildrose Canyon. Panamint Mts. 1677 Comment
  RSA40600  Brickellia oblongifolia var. linifolia J. C. Roos 1947-7-15 2868 Inyo Wildrose Canyon at Kilns, Panamint Mts. Comment
  RSA40601  Eriogonum panamintense var. mensicola J. C. Roos 1947-7-15 2869 Inyo Wildrose Canyon at Kilns. Panamint Mountain Range. 2134 Comment
  RSA424906B  Eriogonum microtheca var. lapidicola J. C. Roos 1967-8-6 s.n. Inyo Inyo Mountains, 1 mile north-east of Badger Flat. 2805 Comment
  RSA44234  Cleomella brevipes J. C. Roos, R. Weatherby 1949-9-3 3565 Inyo Tecopa 427 Comment
  RSA444469  Penstemon newberryi J. C. Roos 1965-8-9 s.n. Inyo Heart Lake, Independence Creek. Comment
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Aug 22 2011
  RSA444480  Elymus elymoides J. C. Roos 1947-7-13 2890 Inyo Panamint Mountains: near Arcane Meadows, south of Baldy Park. 3018 Comment
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Jan 28 2007
  RSA444488  Iva acerosa J. C. Roos 1950-8-7 s.n. Inyo Tecopa. Comment
  RSA444806  Eriogonum ovalifolium J. C. Roos, Lucille Roos 1954-6-26 6158 Inyo Badger Flats, Inyo Mtns. 2622 Comment
  RSA44895  Lupinus flavoculatus J. C. Roos 1949-4-20 3588 Inyo Darwin Mesa, Mojave Desert. 1524 Comment
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Aug 28 2016
  RSA44909  Ericameria gilmanii J. C. Roos 1947-9-19 2798 Inyo Panamint Mountains; Ridge SE of Telescope Peak. 3354 Comment
  RSA449947  Pericome caudata J. C. Roos 1956-8-29 6595 Inyo Head of Death Valley Canyon, Panamint Mtns. Comment
  RSA449964  Monardella linoides J. C. Roos 1956-8-29 6593 Inyo At head of the Death Valley Canyon, in the Panamint Mts. Comment
  RSA450064  Ephedra viridis J. C. Roos 1965-7-10 s.n. Inyo Arcane Meadow near Telescope Peak, Panamint Mtns. Comment
  RSA450100  Physocarpus alternans J. C. Roos 1965-7-10 s.n. Inyo Eagle Springs, Panamint Mtns. Comment
  RSA450133  Malacothamnus orbiculatus J. C. Roos 1965-8-9 s.n. Inyo Independence Creek 2439 Comment
  RSA450150  Eriogonum rixfordii J. C. Roos 1965-9-18 s.n. Inyo Panamint Mtns.Wild Rose Canyon. Comment
  RSA450152  Eriogonum umbellatum var. subaridum J. C. Roos 1965-7-10 s.n. Inyo Mahogany Flats, Panamint Range. 2439 Comment
  RSA450183  Pinus albicaulis J. C. Roos 1965-8-9 s.n. Inyo Heart Lake, Independence Creek. Comment
  RSA450199  Triglochin concinna var. debilis J. C. Roos 1965-7-11 s.n. Inyo Tecopa. 427 Comment
  RSA450232  Ribes montigenum J. C. Roos 1965-7-10 s.n. Inyo Arcane Meadow near Telescope Peak, Panamint Mtns. Comment
  RSA450238  Centaurium exaltatum J. C. Roos 1965-7-11 s.n. Inyo Tecopa Comment
  RSA450420  Baccharis sergiloides J. C. Roos 1965-9-18 s.n. Inyo Panamint Mtns.Wild Rose Canyon. Comment
  RSA450433  Chrysothamnus teretifolius J. C. Roos 1965-9-18 s.n. Inyo Panamint Mtns.Wild Rose Canyon. Comment
  RSA450484  Chrysothamnus greenei J. C. Roos 1961-10-22 s.n. Inyo Loretto Road, at elev. of Loretto Mine. Comment
  RSA450496  Hulsea heterochroma J. C. Roos 1965-8-9 s.n. Inyo Independence Creek 2683 Comment
  RSA457389  Poa bigelovii J. C. Roos 1955-4-8 6310 Inyo Last Chance Mtns, E of Eureka Valley sand dunes. aklt 4300ft, Inyo County 1311 Comment
  RSA457398  Agrostis idahoensis A. R. Roos 1937-8-8 11010 Inyo Lone Pine Creek, Sierra Nevada Mountains. Comment
  RSA457399  Andropogon glomeratus J. C. Roos 1965-7-11 s.n. Inyo Furnace Creek, Death Valley. Comment
  RSA47568  Cleomella brevipes J. C. Roos, Weatherby 1949-9-3 3565 Inyo Tecopa Hot Springs 427 Comment
  RSA48169  Cordylanthus tecopensis J. C. Roos, Weatherby 1949-9-3 3569 Inyo Tecopa Hot Springs 427 Comment
  RSA48873  Solidago confinis J. C. Roos 1949-9-3 4653 Inyo Tecopa 427 Comment
  RSA48874  Machaeranthera carnosa J. C. Roos 1949-9-3 4650 Inyo Tecopa 427 Comment
  RSA509436  Suaeda moquinii A. R. Roos 1950-8-7 s.n. Inyo Tecopa Hot Springs, ca. 2 mi. N of Tecopa. 427 Comment
  RSA591731  Sambucus microbotrys J. C. Roos 1965-8-9 s.n. Inyo Gilbert Lake, near Kearsarge Pass, in the Sierra Nevada Range Comment
  RSA592488  Nitrophila mohavensis J. C. Roos 1954-7-18 6194 Inyo Amargosa Desert 3 miles NE of Death Valley Junction along Ash Meadows road 625 Comment
  RSA592493  Cleomella obtusifolia J. C. Roos 1965-7-11 s.n. Inyo Death Valley Junction. Comment
  RSA592496  Atriplex parryi J. C. Roos 1950-4-7 4726 Inyo Tecopa. 427 Comment
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Sep 29 2010
  RSA593756  Bahiopsis reticulata J. C. Roos 1956-9-30 6604 Inyo Wildrose Canyon, 1 mi below Wildrose Sta. Panamint Mtns. Comment
  RSA648672  Koeleria macrantha J. C. Roos 1954-6-12 6134 Inyo northeast slope Wild Rose Peak, Panamint Mountains 2651 Comment
  RSA658438  Erigeron clokeyi J. C. Roos 1965-7-10 s.n. Inyo Arcane Meadow, near Telescope Peak Comment
  RSA658698  Lepidium flavum J. C. Roos 1969-12-22 3000 Inyo Near Keeler. 915 Comment
  RSA658862  Lomatium foeniculaceum subsp. inyoense J. C. Roos, A. Roos 1953-8-9 5964 Inyo upper Tamarack Canyon, Inyo Mts. 3110 Comment
  RSA659491  Euphorbia ocellata subsp. ocellata J. C. Roos, L. Roos 1954-6-28 6180 Inyo SE end of Eureka Valley. Comment
  RSA659605  Castilleja nana J. C. Roos 1967-8-5 s.n. Inyo Summit Ridge eadt of Badger flat. 3201 Comment
  RSA659660  Sibbaldia procumbens J. C. Roos 1937-8-8 535 Inyo Lone Pine Canyon. 3049 Comment
  RSA659718  Pericome caudata J. C. Roos 1956-8-29 s.n. Inyo Head of Death Valley Canyon, Panamint Mtns. Comment
  RSA659724  Haplopappus brickellioides J. C. Roos, P. A. Munz 1955-4-8 6306 Inyo Northern Mojave Desert Last Chance Mtns, east of Eureka Valley sand dunes. 1220 Comment
  RSA659726  Baccharis sergiloides J. C. Roos 1965-9-18 s.n. Inyo Panamint Mtns.Wild Rose Canyon. Comment
  RSA662412  Chrysothamnus viscidiflorus J. C. Roos, A. R. Roos 1953-8-8 5933 Inyo Blue Bell Mine, Badger Flat, Inyo Mtns. 2683 Comment
  RSA662419  Oxystylis lutea J. C. Roos 1965-7-11 s.n. Inyo Amargosa River at Eagle Mountain, south of Death Valley Junction. 610 Comment
  RSA664189  Kochia americana J. C. Roos 1965-9-18 s.n. Inyo Inyo Mountains; Darwin Mesa. Comment
  RSA664937  Bahiopsis reticulata J. C. Roos 1956-9-30 6604 Inyo Wildrose Canyon, 1 mi below Wildrose Sta. Panamint Mtns. Comment
  RSA664944  Brickellia multiflora J. C. Roos 1956-9-30 6603 Inyo Northern Mojave Desert Panamint Mtns, Wildrose Cyn, at Wildrose [Ranger] Station. Comment
  RSA71671  Penstemon scapoides J. C. Roos, Roos 1951-8-9 5122 Inyo White Mountains: East side of Reed Flat. 3049 Comment
  RSA71672  Muhlenbergia richardsonis J. C. Roos 1951-8-9 5123 Inyo Reed Flat, White Mountains 3049 Comment
  RSA71675  Eriogonum umbellatum var. versicolor J. C. Roos, Lucille Roos 1951-8-9 5126 Inyo Reed Flat, White Mountains 3171 Comment
  RSA71676  Gayophytum diffusum subsp. parviflorum J. C. Roos, L. Roos 1951-8-9 5127 Inyo North rim Reed Flat, White Mountains. 3171 Comment
  RSA71677  Crepis intermedia J. C. Roos, L. Roos 1951-8-10 10500 Inyo Head of Wyman Cnayon, White Mts. 3201 Comment
  RSA71707  Phacelia peirsoniana J. C. Roos 1952-7-31 5878 Inyo NW of Cedar Flat, White Mountain 2439 Comment
  RSA71709  Peraphyllum ramosissimum J. C. Roos, L. Roos 1952-7-31 5880 Inyo NW of Cedar Flat, White Mountain 2439 Comment
  RSA71710  Agoseris parviflora J. C. Roos, L. Roos 1952-6-30 5896 Inyo Head of Wyman Canyon. 3200 Comment
  RSA71713  Cordylanthus kingii subsp. helleri J. C. Roos, L. Roos 1952-7-25 5818 Inyo Between Westgaard Pass and Reed Flat, White Mtns. 2439 Comment
  RSA71714  Astragalus kentrophyta var. elatus J. C. Roos, Lucille Roos 1952-7-26 5820 Inyo East side Reed Flat at head of Birch Creek, White Mts. 3049 Comment
  RSA71718  Frasera puberulenta J. C. Roos, L. Roos 1952-7-26 5824 Inyo East side Reed Flat at head of Birch Creek, White Mts. 3049 Comment
  RSA71720  Eriogonum wrightii var. subscaposum J. C. Roos, Lucille Roos 1952-7-27 5826 Inyo West rim of Reed Flat, White Mtns. 3110 Comment
  RSA71723  Monardella odoratissima subsp. parvifolia J. C. Roos 1952-7-27 5828 Inyo West rim of Reed Flat, White Mtns. 3110 Comment
  RSA71731  Mimulus nanus var. mephiticus J. C. Roos, Lucille Roos 1952-7-28 5846 Inyo Drying seep with Artemisia nova, lappula Redowskii, etc., Wyman Canyon, White Mts. 2622 Comment
  RSA71733  Penstemon rostriflorus J. C. Roos, L. Roos 1952-7-28 5848 Inyo Wyman Canyon, White Mts. 2744 Comment
  RSA71735  Monolepis nuttalliana J. C. Roos, L. Roos 1952-7-28 5852 Inyo Roadside at head of Wyman Canyon, White Mts. 3140 Comment
  RSA71736  Penstemon scapoides J. C. Roos, Roos 1952-7-28 5853 Inyo White Mountains: Wyman Canyon 2744 Comment
  RSA71737  Mimulus suksdorfii J. C. Roos, Lucille Roos 1952-7-28 5854 Inyo White Mountains; head of Wyman Canyon 3201 Comment
  RSA71739  Horkelia hispidula J. C. Roos, L. Roos 1952-7-28 5856 Inyo White Mountains; head of Wyman Canyon 3201 Comment
  RSA71740  Astragalus oophorus J. C. Roos, Lucille Roos 1952-7-29 5857 Inyo Reed Flat, White Mts. Comment
  RSA71748  Penstemon speciosus J. C. Roos, L. Roos 1952-7-27 5834 Inyo Ridge at S. E. rim Reed Flat, White Mountains. 3171 Comment
  RSA71749  Streptanthus cordatus J. C. Roos 1952-7-27 5835 Inyo Southeast rim Reed Flat, White Mountains. 3140 Comment
  RSA71751  Penstemon floridus J. C. Roos, L. Roos 1952-7-28 5838 Inyo Wyman Canyon, White Mts. 2591 Comment
  RSA71752  Pteryxia petraea J. C. Roos, Lucille Roos 1952-7-28 5839 Inyo Wyman Canyon, White Mountains. 2530 Comment
  RSA71763  Lupinus argenteus var. tenellus J. C. Roos 1951-8-8 5109 Inyo North rim Reed flat, White Mts 3171 Comment
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Aug 22 2011
  RSA71768  Chrysothamnus viscidiflorus subsp. viscidiflorus J. C. Roos 1951-8-8 5113 Inyo SE rim Reed flat, White Mts 3079 Comment
  RSA71769  Poa secunda J. C. Roos 1951-8-8 5117 Inyo SE rim Reed flat, White Mts 3079 Comment
  RSA71770  Chrysothamnus parryi subsp. asper J. C. Roos 1951-8-8 5114 Inyo SE rim Reed flat, White Mts 3079 Comment
  RSA71772  Hymenoxys cooperi var. canescens J. C. Roos 1951-8-8 10100 Inyo Reed Flat, White Mountains 3171 Comment
  RSA71782  Hesperostipa comata subsp. comata J. C. Roos, L. Roos 1951-8-8 5088 Inyo 3 miles NW of Cedar Flat, White Mountains 2591 Comment
  RSA71785  Chrysothamnus viscidiflorus var. puberulus J. C. Roos 1951-8-8 5091 Inyo 3 miles NW of Cedar Flat, White Mountains 2591 Comment
  RSA71786  X Stiporyzopsis bloomeri J. C. Roos, L. Roos 1951-8-8 5092 Inyo 3 miles NW of Cedar Flat, White Mountains 2591 Comment
  RSA71787  Leptosiphon nuttallii subsp. pubescens J. C. Roos, L. Roos 1951-8-8 5093 Inyo Reed Flat, White Mountains 3171 Comment
  RSA71788  Elymus elymoides J. C. Roos, L. Roos 1951-8-8 5094 Inyo Head of Wyman Canyon, White Mountains. 3171 Comment
  RSA71789  Bromus anomalus J. C. Roos, L. Roos 1951-8-8 5095 Inyo Head of Wyman Canyon, White Mountains. 3171 Comment
  RSA72071  Pellaea breweri J. C. Roos, Lucille Roos 1951-8-12 5190 Inyo 1.5 miles South of Reed Flat, White Mts. 2895 Comment
  RSA72072  Woodsia scopulina J. C. Roos, Lucille Roos 1951-8-12 5189 Inyo 1.5 miles South of Reed Flat, White Mts. 2895 Comment
  RSA72075  Stephanomeria spinosa J. C. Roos, Lucille Roos 1951-8-12 5192 Inyo Westgard Pass, White Mountains. 2195 Comment
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Aug 22 2011
  RSA72077  Pinus longaeva J. C. Roos, Lucille Roos 1951-8-12 5186 Inyo Reed Flat, White Mountains 3171 Comment
  RSA74554  Achnatherum pinetorum J. C. Roos 1951-8-9 5121 Inyo N rim Reed Flat, White Mts 3140 Comment
  RSA74555  Elymus X hansenii J. C. Roos, L. Roos 1951-8-8 5094 Inyo Head of Wyman Canyon, White Mountains. 3171 Comment
  RSA74559  Achnatherum thurberianum J. C. Roos 1951-8-8 5087 Inyo 3 miles NW of Cedar Flat, White Mountains 2591 Comment
  RSA74560  Achnatherum pinetorum J. C. Roos 1951-8-8 5086 Inyo 3 miles NW of Cedar Flat, White Mountains 2591 Comment
  RSA74570  Cirsium arizonicum J. C. Roos 1952-7-28 5850 Inyo Wyman Canyon, White Mts 2896 Comment
  RSA74575  Galium hypotrichium subsp. tomentellum J. C. Roos, Lucille Roos 1947-7-13 2876 Inyo Telescope Peak, Panamint Mountains. 3262 Comment
  RSA74600  Achnatherum webberi J. C. Roos, L. Roos 1952-7-25 5819 Inyo Between Westgard Pass and Reed Flat, White Mountains. 2439 Comment
  RSA74603  Piptatherum micranthum J. C. Roos, Roos 1952-7-28 5840 Inyo White Mountains:Wyman Canyon 2683 Comment
  RSA74606  Purshia tridentata var. tridentata J. C. Roos, L. Roos 1951-8-12 5187 Inyo 1 mi. south of Reed Flat, White Mts. 2957 Comment
  RSA77258  Eriogonum heermannii var. argense J. C. Roos 1951-8-12 5191 Inyo Westgard Pass, White Mountains. 2195 Comment
  RSA79477  Linanthus pungens subsp. hallii J. C. Roos, A. R. Roos 1953-8-13 6017 Inyo Along crest of Inyo mts. 3 miles east of Badger flat. 3262 Comment
  RSA79478  Elymus X hansenii J. C. Roos, A. R. Roos 1952-8-13 6016 Inyo Along crest of Inyo Mountains, 3 miles east of Badger Flat. Alt. 10600 ft. 3232 Comment
  RSA79481  Achnatherum hymenoides J. C. Roos, A. R. Roos 1953-8-13 6013 Inyo Along crest of Inyo Mountains, 3 miles east of Badger Flats 3171 Comment
  RSA79482  Eriogonum umbellatum var. versicolor J. C. Roos, A. R. Roos 1953-8-13 6012 Inyo Along crest of Inyo mts. 3 miles east of Badger flat. 3262 Comment
  RSA79485  Cercocarpus ledifolius J. C. Roos, A. R. Roos 1953-8-13 6009 Inyo Tamarack Canyon. 2744 Comment
  RSA79486  Salsola tragus J. C. Roos, A. Roos 1953-8-13 6008 Inyo Tamarack Canyon. 2744 Comment
  RSA79491  Agoseris parviflora J. C. Roos 1953-8-11 6003 Inyo In pass 3 miles east of Blue Bell Mine on trail to Side Hill Spring. 3108 Comment
  RSA79495  Atriplex canescens J. C. Roos, A. Roos 1953-8-14 6031 Inyo Al Rose Canyon; Inyo Mts. 2134 Comment
  RSA79496  Brickellia microphylla J. C. Roos, A. R. Roos 1953-8-14 6029 Inyo Al Rose Canyon, Inyo Mountains. 2134 Comment
  RSA79497  Krascheninnikovia lanata J. C. Roos, A. Roos 1953-8-14 6028 Inyo Al Rose Canyon, Inyo Mountains. 2256 Comment
  RSA79505  Chrysothamnus viscidiflorus subsp. viscidiflorus J. C. Roos 1953-8-13 6020 Inyo top of ridge, crest of Inyo Mts, 3 miles E of Badger Flat. 3338 Comment
  RSA79506  Castilleja applegatei subsp. martinii A. R. Roos, J. C. 1953-8-13 6019 Inyo Dry flat at crest of Inyo Mts., 3 milea east of Badger Flats. 3338 Comment
  RSA79507  Poa secunda J. C. Roos 1953-8-13 6018 Inyo Crest of Inyo Mts, 3 miles E of Badger flat. 3308 Comment
  RSA79543  Senecio spartioides J. C. Roos, A. R. Roos 1953-8-11 5990 Inyo 2 miles east of Blue Bell Mine, Inyo Mountains 2866 Comment
  RSA79544  Erigeron clokeyi var. pinzliae J. C. Roos 1953-8-11 5989 Inyo 2 miles east of Blue Bell Mine, Inyo Mts. 2866 Comment
  RSA79548  Astragalus oophorus J. C. Roos, A. R. Roos 1953-8-11 5987 Inyo 2 miles east of Blue Bell Mine, Inyo Mts. 2866 Comment
  RSA79552  Eriogonum microtheca var. lapidicola J. C. Roos 1953-8-11 5985 Inyo East of Badger Flat 2866 Comment
  RSA79555  Silene bernardina J. C. Roos, A. R. Roos 1953-8-11 5996 Inyo Loose alluvial soil on brushy flatss, 2.5 miles east of Blue Bell Mine. 2927 Comment
  RSA79557  Leptosiphon nuttallii subsp. pubescens J. C. Roos, L. Roos 1953-8-11 5995 Inyo 2.5 miles east of Blue Bell Mine, Inyo Mts. 2866 Comment
  RSA79617  Chrysothamnus viscidiflorus var. puberulus J. C. Roos 1953-8-8 5934 Inyo Blue Bell Mine, Badger flat, Inyo Mountains 2744 Comment
  RSA79619  Eriogonum umbellatum var. versicolor J. C. Roos, A. R. Roos 1953-8-8 5932 Inyo Blue Bell Mine, Badger Flat, Inyo Mtns. 2683 Comment
  RSA79620A  Eriogonum microtheca var. ambiguum J. C. Roos, A. R. Roos 1953-8-7 5931 Inyo Blue Bell Mine, Badger Flat, Inyo Mtns. 2683 Comment
  RSA79621  Arenaria kingii subsp. compacta J. C. Roos, A. R. Roos 1953-8-7 5930 Inyo Badger Flat near Blue Mine, Inyo Mountains. Comment
  RSA79622  Gilia congesta J. C. Roos, A. R. Roos 1953-8-7 5929 Inyo Blue Bell Mine, Badger Flat, Inyo Mtns. 2683 Comment
  RSA79642  Brickellia oblongifolia var. linifolia J. C. Roos, A. R. Roos 1953-8-10 5982 Inyo branch of Mazourka Canyon, Inyo Mts. 2561 Comment
  RSA79643  Chamaebatiaria millefolium J. C. Roos, A. R. Roos 1953-8-10 5981 Inyo Inyo Mountains, Mazourka Canyon. 2500 Comment
  RSA79644  Keckiella rothrockii subsp. rothrockii J. C. Roos, A. R. Roos 1953-8-10 5980 Inyo Inyo Mountains, branch of Mazourka Canyon. 2530 Comment
  RSA79645  Perityle megalocephala var. megalocephala J. C. Roos 1953-8-10 5979 Inyo Juniper belt, Mazourka Canyon, Inyo Mts. 2500 Comment
  RSA79646  Atriplex confertifolia J. C. Roos, A. Roos 1953-8-10 5978 Inyo Inyo Mountains, Mazourka Canyon. 2439 Comment
  RSA79647  Camissonia boothii subsp. desertorum J. C. Roos, A. R. Roos 1953-8-10 5977 Inyo Inyo Mountains, Mazourka Canyon. 2439 Comment
  RSA79649  Cercocarpus intricatus J. C. Roos, A. R. Roos 1953-8-10 5975 Inyo Inyo Mountains, Mazourka Canyon. 2470 Comment
  RSA79650  Chaenactis douglasii var. douglasii J. C. Roos, A. R. Roos 1953-8-10 5974 Inyo Badger Flat, Inyo Mts 2561 Comment
  RSA79654  Koeleria macrantha J. C. Roos, A. R. Roos 1953-8-9 5948 Inyo Tamarack Canyon, Inyo Mts. 2774 Comment
  RSA79659  Petradoria discoidea J. C. Roos 1953-8-9 5945 Inyo Tamarack Canyon, Inyo Mts. 2682 Comment
  RSA79664  Brickellia oblongifolia var. linifolia J. C. Roos, A. R. Roos 1953-8-8 5944 Inyo NW rim of Badger Flat, Inyo Mts. 2591 Comment
  RSA79693  Cymopterus cinerarius J. C. Roos, A. Roos 1953-8-9 5959 Inyo Near head of Tamarack Canyon 3049 Comment
  RSA79694  Astragalus calycosus J. C. Roos, A. R. Roos 1953-8-9 5958 Inyo Near head of Tamarack Canyon 3049 Comment
  RSA79698  Arenaria kingii subsp. compacta J. C. Roos 1953-8-9 5954 Inyo Inyo Mountains: Head of Tamarack Canyon; Inyo Mountains 3110 Comment
  RSA79700  Astragalus kentrophyta var. elatus J. C. Roos, A. R. Roos 1953-8-9 5952 Inyo Near head of Tamarack Canyon 3049 Comment
  RSA79701  Monardella odoratissima subsp. parvifolia J. C. Roos, A. R. Roos 1953-8-9 5951 Inyo Inyo Mountains: Near head of Tamarack Canyon 3049 Comment
  RSA79702  Hymenopappus filifolius var. nanus J. C. Roos 1953-8-9 5950 Inyo Tamarack Canyon. 2988 Comment
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Aug 3 2010
  RSA79705  Machaeranthera canescens var. leucanthemifolia J. C. Roos 1953-8-8 5941 Inyo Badger flat, Inyo Mountains 2652 Comment
  RSA79706  Tetradymia canescens J. C. Roos, A. R. Roos 1953-8-8 5940 Inyo Badger flat, Inyo Mountains 2652 Comment
  RSA79707  Achnatherum pinetorum J. C. Roos 1953-8-8 5939 Inyo Badger flat, Inyo Mountains 2652 Comment
  RSA79709  Eriogonum heermannii var. argense J. C. Roos, A. R. Roos 1953-8-8 5937 Inyo Blue Bell Mine, Badger flat, Inyo Mountains 2744 Comment
  RSA79710  Penstemon scapoides J. C. Roos 1953-8-8 5936 Inyo Blue Bell Mine, Badger flat, Inyo Mountains 2744 Comment
  RSA79714  Leymus cinereus J. C. Roos, A. R. Roos 1953-8-9 5971 Inyo Southeast edge of Badger Flat, Inyo Mountains. 2622 Comment
  RSA79718  Achnatherum pinetorum J. C. Roos 1953-8-9 5967 Inyo Ridge southeast of Tamarack Canyon, Inyo Mountains 3232 Comment
  RSA79720  Astragalus lentiginosus J. C. Roos 1953-8-9 5965 Inyo upper Tamarack Canyon, Inyo Mts. 3110 Comment
  RSA85131  Salvia funerea J. C. Roos 1954-3-27 6057 Inyo Titus Canyon below Klare Spring, Grapevine Mts. Death Valley. 915 Comment
  RSA85132  Salvia funerea J. C. Roos 1954-3-27 6051 Inyo 0.2 miles below Hole-in-the-Rock Spring, Boundary Canyon, Death Valley. 854 Comment
  RSA85136  Atriplex canescens J. C. Roos, L. Roos 1953-11-2 6041 Inyo 0.2 miles N.E. of Tecopa Comment
  RSA85139  Brickellia multiflora J. C. Roos, L. Roos 1954-3-27 6058 Inyo Titus Canyon below Klare Spring, Grapevine Mts. Death Valley. 914 Comment
  RSA85141  Cordylanthus tecopensis J. C. Roos 1953-11-1 6035 Inyo Amargosa desert, 3 miles NE of Death Valley Junction, on Ash Meadows Rd. 625 Comment
  RSA85142  Cordylanthus tecopensis J. C. Roos 1953-10-31 6033 Inyo Amargosa River bed 3 miles south of Shoshone 442 Comment
  RSA85143  Hecastocleis shockleyi J. C. Roos, L. Roos 1954-3-27 6055 Inyo Summit of Grapevine Mts. above Leadfield 1646 Comment
  RSA85144  Chrysothamnus albidus J. C. Roos 1953-10-31 6034 Inyo Amargosa River bed 3 miles south of Shoshone 442 Comment
  RSA85147  Arctomecon merriamii J. C. Roos, Lucille Roos 1954-3-27 6053 Inyo Summit of Grapevine Mts. above Leadfield. 1585 Comment
  RSA85155  Astragalus mohavensis var. hemigyrus J. C. Roos 1954-3-25 6048 Inyo Wildrose Canyon below Wildrose Spring, Panamint Mts. 1097 Comment
  RSA85281  Atriplex parryi J. C. Roos, A. Roos 1950-8-7 4926 Inyo Tecopa 427 Comment
  RSA85282  Atriplex confertifolia J. C. Roos, A. Roos 1950-8-7 4925 Inyo Tecopa, Eastern Mojave Desert. Comment
  RSA85639  Aster pauciflorus J. C. Roos, A. R. Roos 1950-8-7 4923 Inyo Tecopa 427 Comment
  RSA89030  Chrysothamnus albidus J. C. Roos 1954-8-15 6224 Inyo Lower Warm Spring, Saline Valley. 427 Comment
  RSA89041  Stephanomeria pauciflora J. C. Roos, A. R. Roos 1954-8-13 6207 Inyo Southeast end Eureka Valley 945 Comment
  RSA89045  Chaetadelpha wheeleri J. C. Roos 1954-8-13 6208 Inyo Southeast end Eureka Valley 945 Comment
  RSA89046  Chaetadelpha wheeleri J. C. Roos 1954-6-28 6174 Inyo Southeast end of Eureka Valley 930 Comment
  RSA89532  Nitrophila mohavensis J. C. Roos 1954-5-7 6079 Inyo Amargosa Desert 3 miles NE of Death Valley Junction along Ash Meadows road 625 Comment
  RSA89533  Nitrophila mohavensis J. C. Roos 1954-7-18 6194 Inyo Amargosa Desert 3 miles NE of Death Valley Junction along Ash Meadows road 625 Comment
  RSA89878  Chrysothamnus albidus J. C. Roos 1954-9-14 6232 Inyo Amargosa River bottomland, 3 mi. S of Shoshone. 433 Comment
  RSA89886  Cordylanthus tecopensis J. C. Roos 1954-6-13 6139 Inyo Open flats of Amargosa Desert 3 mi. NE of Death Valley Junction along Ash Meadow road. 625 Comment
  RSA89901  Ericameria gilmanii J. C. Roos 1954-8-14 6216 Inyo The Narrows, Marble Canyon. 2180 Comment
  RSA92170  Ribes velutinum J. C. Roos 1954-6-26 6164 Inyo Inyo Mountains, Mazourka Canyon 2439 Comment
  RSA92171  Penstemon floridus var. austinii J. C. Roos, L. Roos 1954-6-26 6163 Inyo Inyo Mountains, Mazourka Canyon. 2439 Comment
  RSA92465  Camissonia walkeri subsp. tortilis J. C. Roos, Lucille Roos 1954-5-9 6109 Inyo Emigrant Canyon, Panamint Mts. 1220 Comment
  RSA92466  Aliciella ripleyi J. C. Roos, L. Roos 1954-5-9 6107 Inyo Emigrant Canyon, Panamint Mts. 1219 Comment
  SBBG103046  Nitrophila mohavensis J. C. Roos, A. R. Roos 1954-6-13 6140 Inyo open flats of Amargosa Desert, 3 mi NE of Death Valley Jct along Ash Meadows Rd; ISOTYPE 624 Comment
  SBBG16843  Hazardia brickellioides J. C. Roos, A. R. Roos 1955-8-23 6530 Inyo W base of Last Chance Mtns, E of Eureka Valley sand dunes 1219 Comment
  SD239551  Hydrocotyle verticillata J. C. Roos, A. R. Roos 1950-8-7 4917 Inyo Northern Mojave Desert: China Ranch near Tecopa Pass (Tecopa 7.5'Q) 427 Comment
  SD239597  Iva acerosa J. C. Roos, A. R. Roos 1950-8-7 Inyo Northern Mojave Desert: Tecopa in Amargosa River Valley. Low moist area near town. 427 Comment
  SD50072  Nitrophila mohavensis John C. Roos 1954-7-18 6194 Inyo Amargosa Desert 3.0 miles northeast of Death Valley Junction along Ash Meadows road. 625 Comment
  SD50073  Nitrophila mohavensis John C. Roos 1954-7-18 6194 Inyo Amargosa Desert 3.0 miles northeast of Death Valley Junction along Ash Meadows road. 625 Comment
  SD52861  Fendlerella utahensis J. C. Roos 1955-7-21 6486 Inyo On rocky north slope, Whitetop Peak, summit; Last Chance Mountains. 2530 Comment
  SD52863  Chrysothamnus viscidiflorus subsp. puberulus J. C. Roos 1955-7-21 6478 Inyo Ridge of Last Chance Mountains, 2.5 miles south of Willow Spring. 2315 Comment
  SD52866  Centrostegia thurberi J. C. Roos 1955-6-18 6422 Inyo 2 miles NE of Willow Spring, Last Chance Mountains 2012 Comment
  SD52913  Sporobolus cryptandrus John C. Roos, Alfred R. Roos 1955-8-26 6560 Inyo rock outcrop, Soldier Flat, east base Waucoba Mt., Inyo Mts. 2163 Comment
  SD52918  Cordylanthus eremicus subsp. eremicus J. C. Roos 1955-7-24 6522 Inyo Nelson Range near head of Grapevine Canyon 1890 Comment
  SD52919  Eriogonum panamintense var. mensicola John C. Roos 1955-7-24 6521 Inyo Nelson Range near head of Grapevine canyon 1890 Comment
  SD52920  Eriogonum clavatum John C. Roos 1955-7-24 6520 Inyo roadside, Nelson Range near head of Grapevine Canyon 1890 Comment
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Dec 22 2020
  SD52922  Oxytheca dendroidea subsp. dendroidea John C. Roos 1955-7-23 6504 Inyo Soldier Flat, east base Waucoba Mountain, Inyo Mountains, dry disturbed roadside 2194 Comment
  SD52923  Lepidospartum latisquamum J. C. Roos 1955-7-22 6500 Inyo Willow Creek, west slope Last Chance Mountains. 1615 Comment
  SD52928  Chrysothamnus viscidiflorus var. viscidiflorus A. R. Roos, J. C. Roos 1955-8-26 6553 Inyo North shoulder Waucoba Mountain. 3200 Comment
  SD52929  Ericameria parryi var. aspera J. C. Roos, A. R. Roos 1955-8-26 6551 Inyo On main ridge between Squaw Peak and Waucoba Mountain, Inyo Mountains. 2955 Comment
  SD52930  Eriogonum nummulare John C. Roos, E. C. Jaeger 1955-7-22 6503 Inyo Soldier Flat, east base Waucoba Mountain 2195 Comment
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Dec 13 2011
  SD52934  Ericameria nana J. C. Roos, A. R. Roos 1955-8-24 6538 Inyo Summit ridge of Last Chance Mountains, 3.5 miles south of Willow Spring 2440 Comment
  SD52946  Stipa occidentalis var. occidentalis J. C. Roos, A. R. Roos 1955-8-26 6556 Inyo Locally common on moist (thunderstorms) rocky open north slope. North shoulder Waucoba Mountain, Inyo Mountains. 3353 Comment
  SD52947  Boechera pulchra J. C. Roos 1955-6-17 6398 Inyo 2.0 miles northeast of Willow Spring, Last Chance Mountains. 2010 Comment
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Nov 4 2011
  SD52951  Chrysothamnus viscidiflorus subsp. puberulus J. C. Roos, A. R. Roos 1955-8-24 6542 Inyo Last Chance Mountains, 1 mile northeast of Willow Spring. 1860 Comment
  SD52954  Petrophytum caespitosum J. C. Roos, A. R. Roos 1955-8-26 6550 Inyo canyon on east side of saddle between Squaw Peak and Waucoba Mt. Inyo Mts. 2682 Comment
  SD52993  Proboscidea parviflora var. hohokamiana J. C. Roos, E. C. Jaeger 1955-7-23 6516 Inyo Abandoned field below mouth of Hunter Canyon, Saline Valley. 1150 Comment
  SD52995  Gutierrezia microcephala J. C. Roos, A. R. Roos 1955-8-24 6540 Inyo Last Chance Mountains, 1.5 miles northeast of Willow Spring. 1890 Comment
  SD52999  Eriogonum nummulare John C. Roos 1955-7-20 6476 Inyo 0.1 mile NW of boundary marker #80, Last Chance Mountains 2 miles east of Willow Spring 2073 Comment
  SD53002  Eriogonum cernuum John C. Roos 1955-7-23 6507 Inyo Soldier Flat at east base Waucoba Mountain, roadside 2194 Comment
  SD53008  Penstemon floridus John C. Roos 1955-6-18 6423 Inyo 2 miles NE of Willow Spring, Last Chance Mountains 2012 Comment
  SD53009  Erigeron argentatus J. C. Roos 1955-6-18 6424 Inyo 2 miles northeast of Willow Spring, Last Chance Mountains 2010 Comment
  SD53011  Eriogonum deflexum var. baratum John C. Roos 1955-7-22 6499 Inyo Willow Creek, west slope Last Chance Mountains 1615 Comment
  SD53012  Stipa comata John C. Roos 1955-6-19 6453 Inyo Willow Spring, Last Chance Mountains 1829 Comment
  SD53014  Chorizanthe brevicornu var. spathulata J. C. Roos 1955-6-20 6459 Inyo Last Chance Mountains 2 miles NE of Willow Spring 1951 Comment
  SD53017  Streptanthus cordatus J. C. Roos 1955-6-17 6399 Inyo 2.0 miles northeast of Willow Spring, Last Chance Mountains. 2010 Comment
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Nov 4 2011
  SD53018  Hazardia brickellioides J. C. Roos, A. R. Roos 1955-8-23 6530 Inyo West base Last Chance Mountains, east of Eureka Valley sand dunes. 1220 Comment
  SEINET14214732  Aristida purpurea J. C. Roos 1954-5-9 6108 Inyo Emigrant Canyon, Panamint Mtns 1220 Comment
  SEINET218257 Image available Philadelphus microphyllus var. stramineus John Roos 1941-1 46 Inyo Panamint Mts. East slope of Mt. Baldy. Comment
  SEINET8465415 Image available Lomatium inyoense J. C. Roos, A. R. Roos 1953-8-9 5964 Inyo Inyo Mtns, Upper Tamarack Canyon 3110 Comment
  UC1010174  Swertia puberulenta J. C. and A. R. Roos 1953-8-9 5955 Inyo near head of Tamarack Canyon; Inyo Mts., Tamarack Canyon 3048 Comment
  UC1010177  Chrysothamnus viscidiflorus subsp. puberulus John and Lucille Roos 1951-8-8 5091 Inyo 3 mi nw Cedar Flat; White Mts. 2590 Comment
  UC1010181  Ericameria parryi var. aspera John and Lucille Roos 1951-8-8 5114 Inyo se rim Reed Flat; White Mts., Reed Flat 3078 Comment
  UC1010182  Lepidospartum latisquamum John and Lucille Roos 1951-8-7 5082 Inyo near Batchelder Spring (w side Westgaard Pass, White Mts.); White Mts., w side Westgaard Pass near Batchelder Spring 1828 Comment
  UC1010185  Penstemon scapoides John and Lucille Roos 1951-8-9 5122 Inyo e side Reed Flat , e side Reed Flat (White Mts.) 3048 Comment
  UC1010186  Eriogonum umbellatum var. versicolor John and Lucille Roos 1951-8-9 5126 Inyo Reed Flat White Mts., Reed Flat 3169 Comment
  UC1010200  Elymus trachycaulus John and Lucille Roos 1951-8-12 5184 Inyo Reed Flat White Mts. 3169 Comment
  UC1010201  Purshia tridentata var. tridentata John and Lucille Roos 1951-8-12 5187 Inyo 1 mi s Reed Flat; White Mts. 2956 Comment
  UC1010202  Helianthus annuus John and Lucille Roos 1951-8-12 5195 Inyo Lone Pine 1143 Comment
  UC1010203  Cordylanthus kingii subsp. helleri John and Lucille Roos 1952-7-25 5818 Inyo between Westgaard Pass and Reed Flat; White Mountains 2438 Comment
  UC1010205  Crepis intermedia John and Lucille Roos 1952-7-27 5832 Inyo Reed Flat White Mts. (se rim) 3139 Comment
  UC1010206  Castilleja linariifolia John and Lucille Roos 1952-7-27 5836 Inyo Reed Flat; White Mts. 3139 Comment
  UC1010223  Sphaeromeria cana John and Lucille Roos 1947-7-13 2877 Inyo summit Telescope Peak; Panamint Mts., summit Telescope Peak Comment
  UC1010225  Cordylanthus tecopensis J. C. and A. R. Roos 1950-8-7 4929 Inyo Tecopa Hot Springs 426 Comment
  UC1010226  Helianthus annuus J. C. and A. R. Roos 1950-8-7 4928 Inyo Tecopa Hot Springs 426 Comment
  UC1010228  Brickellia longifolia John and Lucille Roos 1947-9-20 2813 Inyo Emigrant Wash above Emigrant Spring, Panamint Mts. 1249 Comment
  UC1010245  Leptodactylon pungens J. C. and A. R. Roos 1953-8-13 6017 Inyo 3 mi e Badger Flat (crest of Inyo Mts.); Inyo Mts. 3261 Comment
  UC1010246  Chrysothamnus viscidiflorus subsp. viscidiflorus J. C. and A. R. Roos 1953-8-13 6020 Inyo 3 mi e Badger Flat (at crest of Inyo Mts.); Inyo Mts. 3337 Comment
  UC1010249  Chaetopappa ericoides J. C. and A. R. Roos 1953-8-11 5986 Inyo ridge 1.5 mi e of Blue Bell Mine (dry rocky e slope); Inyo Mts. 2865 Comment
  UC1010250  Senecio spartioides J. C. and A. R. Roos 1953-8-11 5990 Inyo 2 mi e Blue Bell Mine; Inyo Mts. 2865 Comment
  UC1010253  Cryptantha nubigena J. C. and A. R. Roos 1953-8-11 6005 Inyo 3 mi e Badger Flat; Inyo Mts. 3108 Comment
  UC1010254  Streptanthus cordatus J. C. and A. R. Roos 1953-8-11 6007 Inyo 3 mi e Badger Flat; Inyo Mts. 3048 Comment
  UC1010255  Cercocarpus ledifolius var. intermontanus J. C. and A. R. Roos 1953-8-13 6009 Inyo Tamarack Canyon, Inyo Mountains Tamarack Canyon; Inyo Mountains, Tamarack Canyon 2743 Comment
  UC1010256  Chaenactis douglasii var. douglasii J. C. and A. R. Roos 1953-8-10 5974 Inyo Badger Flat Inyo Mts., Badger Flat 2560 Comment
  UC1010257  Astragalus newberryi J. C. and A. R. Roos 1953-8-9 5957 Inyo Tamarack Canyon , Tamarack Canyon (Inyo Mts.) 3048 Comment
  UC1010258  Astragalus calycosus var. calycosus J. C. and A. R. Roos 1953-8-9 5958 Inyo near head Tamarack Canyon Inyo Mts. Tamarack Canyon (Inyo Mts.) 3048 Comment
  UC1010260  Astragalus lentiginosus var. semotus J. C. and A. R. Roos 1953-8-9 5965 Inyo upper end Tamarack Canyon (Inyo Mts.); , upper end Tamarack Canyon 3108 Comment
  UC1010267  Tetradymia canescens J. C. and A. R. Roos 1953-8-8 5940 Inyo Badger Flat Inyo Mts. 2651 Comment
  UC1010270  Chaetadelpha wheeleri John and Lucille Roos 1954-6-28 6174 Inyo se end of Eureka Valley 929 Comment
  UC1010275  Cordylanthus tecopensis John and Lucille Roos 1954-9-14 6231 Inyo 3 mi s Shoshone (along Amargosa River); Amargosa River 432 Comment
  UC1010276  Cordylanthus tecopensis J. C. and A. R. Roos 1954-6-13 6139 Inyo 3 mi ne Death Valley junction (along Ash Meadows road); Amargosa desert 624 Comment
  UC1010277  Ericameria albida John and Lucille Roos 1953-10-31 6034 Inyo 3 mi s of Shoshone (Amargosa River bed); Amargosa River 441 Comment
  UC1010293  Centaurium exaltatum John C. Roos, M. D. and Alfred R. Roos, M. D. 1950-8-7 4927 Inyo Tecopa; e Mohave Desert 426 Comment
  UC1010325  Cuniculotinus gramineus J. C. and A. R. Roos 1953-8-8 5935 Inyo on hill behind Blue Bell Mine ((Also seen on the ridge e of this locality up to about 9500 ft)); Inyo Mts., Badger Flats 2743 Comment
  UC1010326  Cuniculotinus gramineus J. C. and A. R. Roos 1953-8-9 5945 Inyo Inyo Mts., Tamarack Canyon 2682 Comment
  UC1010327  Ericameria albida John and Lucille Roos 1954-9-14 6235 Inyo 2.5 mi ne of Death Valley Junction (along Ash Meadows road); Amargosa Desert 624 Comment
  UC1010328  Ericameria albida John and Lucille Roos 1954-9-14 6232 Inyo 3 mi s of Shoshone (Amargosa River bottomland); Amargosa River 432 Comment
  UC1010329  Caulostramina jaegeri John and Lucille Roos 1954-6-29 6185 Inyo The Narrows Inyo Mts., Marble Canyon 2194 Comment
  UC1010330  Perityle megalocephala var. megalocephala J. C. and A. R. Roos 1953-8-8 5938 Inyo hill behind Blue Bell Mine; Inyo Mts., Badger Flat 2743 Comment
  UC1010332  Penstemon scapoides J. C. and A. R. Roos 1953-8-8 5936 Inyo hill behind Blue Bell Mine (Badger Flat); Inyo Mts., Badger Flat 2743 Comment
  UC1010333  Ericameria parryi var. aspera J. C. and A. R. Roos 1953-8-9 5949 Inyo Inyo Mts., Tamarack Canyon 2987 Comment
  UC1010334  Monardella odoratissima subsp. glauca J. C. and A. R. Roos 1953-8-9 5951 Inyo Tamarack Canyon Inyo Mts. 3078 Comment
  UC1010337  Chrysothamnus viscidiflorus subsp. puberulus J. C. and A. R. Roos 1953-8-8 5933 Inyo Blue Bell Mine Inyo Mts., Badger Flat 2682 Comment
  UC1010338  Ipomopsis congesta J. C. and A. R. Roos 1953-8-7 5929 Inyo Blue Bell Mine Inyo Mtns, Badger Flat 2682 Comment
  UC1010340  Pinus flexilis J. C. and A. R. Roos 1953-8-9 5972 Inyo Tamarack Canyon Inyo Mts., Tamarack Canyon 2865 Comment
  UC1010485  Nitrophila mohavensis J. C. Roos and A. R. Roos 1954-6-13 6140 Inyo along Ash Meadows road 3 mi ne Death Valley Junction; Amorgosa Desert; Amargosa Desert, NE of Death Valley, Inyo Co. 624 Comment
  UC1010486  Nitrophila mohavensis John C. Roos 1954-7-18 Inyo along Ash Meadows road 3 mi ne Death Valley Junction; Amorgosa Desert 624 Comment
  UC1010490  Stanleya pinnata John and Lucille Roos 1954-6-28 6177 Inyo s and e end Eureka Valley; south and east end Eureka Valley 914 Comment
  UC1018151  Lomatium foeniculaceum subsp. inyoense John and Lucille Roos 1954-6-24 6149 Inyo 3 mi E of Badger Flat (crest of Inyo Mountains in headwaters of Marble Canyon watershed) Comment
  UC1018152 Image available Lomatium foeniculaceum subsp. inyoense John and Lucille Roos 1954-6-24 6148 Inyo 3 mi e Badger Flat (near Side Hill Spring, pass at crest of Inyo Mts); Inyo Mts.; Badger Flat, Inyo Mts., Inyo Co. 3108 Comment
  UC1023377  Achnatherum thurberianum John and Lucille Roos 1951-8-8 5087 Inyo 3 mi nw Cedar Flat; White Mts. 2590 Comment
  UC1023378  Achnatherum John and Lucille Roos 1952-8-8 5092 Inyo 3 mi nw Cedar Flat; White Mts. 2590 Comment
  UC1023380  Poa secunda subsp. juncifolia John and Lucille Roos 1951-8-8 5117 Inyo se rim Reed Flat; White Mts Comment
  UC1023381  Muhlenbergia richardsonis John and Lucille Roos 1951-8-9 5123 Inyo Reed Flat White Mts. 3048 Comment
  UC1023398  Achnatherum J. C. and A. R. Roos 1953-8-13 6014 Inyo 3 mi e Badger Flat; Crest of Inyo Mts. 3169 Comment
  UC1023400  Achnatherum parishii J. C. and A. R. Roos 1953-8-14 6025 Inyo Al Rose Canyon Inyo Mts. 2499 Comment
  UC1023403  Eremothera boothii subsp. desertorum J. C. and A. R. Roos 1953-8-10 5977 Inyo Mazourka Canyon Inyo Mts. 2438 Comment
  UC1023404  Astragalus platytropis J. C. and A. R. Roos 1953-8-9 5961 Inyo near head Tamarack Canyon (Inyo Mts.); , near head Tamarack Canyon 3078 Comment
  UC1023407  Achnatherum pinetorum J. C. and A. R. Roos 1953-8-8 5939 Inyo Badger Flat Inyo Mts., Badger Flat 2651 Comment
  UC1023408  Castilleja nana J. C. and A. R. Roos 1953-8-9 5960 Inyo near head of Tamarack Canyon; Inyo Mountains 3048 Comment
  UC1026577  Achnatherum pinetorum J. C. and A. R. Roos 1954-6-12 6132 Inyo 1 mi ese Wild Rose Peak (ridge between Wild Rose and Trail Canyons); Panamint Mts. 2499 Comment
Read comments
Jan 20 2012
  UC1026578  Cyperus laevigatus John and Lucille Roos 1953-11-2 6042 Inyo Tecopa Hot Springs 426 Comment
  UC1029606  Pinus longaeva J. C. and A. R. Roos 1953-8-9 5956 Inyo Tamarck Canyon Inyo Mountains (upper end) 3048 Comment
  UC1042969  Hecastocleis shockleyi John and Lucille Roos 1954-5-8 6094 Inyo crest of mountains above Leadfield; Grapevine Mts. 1645 Comment
  UC1042972  Nitrophila mohavensis John and Lucille Roos 1954-5-7 6079 Inyo along Ash Meadows road 3 mi ne Death Valley Junction; Amorgosa Desert 624 Comment
  UC1042978  Lupinus argenteus var. heteranthus J. C. and A. R. Roos 1954-6-12 6133 Inyo e slopes Wild Rose Peak; Panamint Mts., e slopes Wild Rose Peak 2621 Comment
  UC1042979  Cryptantha hoffmannii J. C. and A. R. Roos 1954-6-12 6137 Inyo Wild Rose Peak, Panamint Mts. 2758 Comment
  UC1042980  Lappula redowskii John and Lucille Roos 1954-6-26 6155 Inyo mouth of Tamarack Canyon; Inyo Mts., Tamarack Canyon 2682 Comment
  UC1042981  Cercocarpus ledifolius var. intricatus John and Lucille Roos 1954-6-26 6157 Inyo Tamarack Canyon Inyo Mts. 2743 Comment
  UC1042983  Hesperostipa comata John and Lucille Roos 1954-6-26 6162 Inyo canyon at se end Badger Flat; Inyo Mts., Mazourka Canyon 2621 Comment
  UC1042984  Ribes velutinum John and Lucille Roos 1954-6-26 6164 Inyo Mazourka Canyon Inyo Mts. 2438 Comment
  UC1042987  Petalonyx nitidus John and Lucille Roos 1954-6-28 6169 Inyo w. side Eureka Valley (Loretto Rd.); Inyo Mts., Eureka Valley 1676 Comment
  UC1042989  Jamesia americana var. rosea John and Lucille Roos 1954-6-29 6186 Inyo The Narrows Inyo Mts., Marble Canyon, The Narrows 2194 Comment
  UC1043001  Nitrophila mohavensis John and Lucille Roos 1954-9-14 6234 Inyo along Ash Meadows road 3 mi ne Death Valley Junction; Amorgosa Desert 624 Comment
  UC1043010  Ericameria albida John and Lucille Roos 1954-11-23 6259 Inyo Saline Valley, Lower Warm Springs 426 Comment
  UC1043012  Ericameria albida John and Lucille Roos 1954-11-23 6260 Inyo 1.4 mi s of Lower Warm Springs; Saline Valley 381 Comment
  UC1043013  Anulocaulis annulatus John and Lucille Roos 1954-11-24 6261 Inyo mouth of Beveridge Canyon (Saline Valley, e. base Inyo Mts.); Inyo Mts., Saline Valley 563 Comment
  UC1043014  Cordylanthus tecopensis John and Lucille Roos 1953-10-31 6033 Inyo 3 mi s Shoshone (along Amargosa River); Amargosa River 441 Comment
  UC1043017  Brickellia longifolia John and Lucille Roos 1954-3-27 6058 Inyo Klare Spring, Titus Canyon, Grapevine Mts. Death valley. 914 Comment
  UC1075868  Buddleja utahensis John C. Roos 1955-4-8 20570 Inyo s end of Eureka Valley e Eureka Valley sand dunes (Last Chance Mts., ne Inyo Co.); Last Chance Mts., s end of Eureka Valley e of sand dunes 1219 Comment
  UC1080596  Stanleya pinnata John C. Roos 1955-5-13 6353 Inyo se end Eureka Valley; se end Eureka Valley 914 Comment
  UC1080597  Lupinus holmgrenianus John C. Roos 1955-5-15 6374 Inyo 2 mi ne Willow Spring (Last Chance Mts., almost on the Calif-Nevada State Line); Last Chance Mts., ne of Willow Spring 2042 Comment
  UC1080599  Oenothera californica subsp. eurekensis John C. Roos 1955-5-13 6356 Inyo se end Eureka Valley 944 Comment
  UC1080601  Acamptopappus shockleyi John C. Roos 1955-5-13 6345 Inyo e, in sand dunes, at w base of Last Chance Mts Eureka Valley; Last Chance Mts. 1280 Comment
  UC1080602  Hecastocleis shockleyi John C. Roos 1955-5-13 6348 Inyo e Eureka Valley sand dunes (w base of mountains); Last Chance Mts. 1310 Comment
  UC1080604  Buddleja utahensis John C. Roos 1955-5-13 6335 Inyo e Eureka Valley sand dunes (w base of Last Chance Mts.); w base Last Chance Mts., e of Eureka Valley sand dunes 1219 Comment
  UC1080608  Penstemon monoensis John C. Roos 1955-5-16 6389 Inyo Waucoba road 7 mi e Big Pine (w side Inyo Mts.); , e of Big Pine 1615 Comment
  UC1080609  Prunus andersonii John C. Roos 1955-5-15 6370 Inyo Last Chance Mountains, Willow Spring Willow Spring; Last Chance Mountains, Willow Spring 1828 Comment
  UC1080610  Astragalus inyoensis John C. Roos 1955-5-15 6371 Inyo 0.5 mi w Willow Spring (Last Chance Mts.); , w of Willow Spring 1767 Comment
  UC1080612  Astragalus casei John C. Roos 1955-5-15 6373 Inyo 0.5 mi w Willow Spring (Last Chance Mts.); , w of Willow Spring 1767 Comment
  UC1080613  Stanleya pinnata John C. Roos 1955-5-13 6366 Inyo w side Eureka Valley at mouth Marble Canyon; w side Eureka Valley at mouth Marble Canyon 1036 Comment
  UC1080614  Ribes velutinum John C. Roos 1955-5-15 6368 Inyo 0.5 miles west of Willow Spring Last Chance Mts. 1767 Comment
  UC1080632  Glossopetalon spinescens John and Lucille Roos 1955-4-11 6321 Inyo near Loretto Mine (e side of mts.); Inyo Mts. 1706 Comment
  UC1080634  Oenothera californica subsp. eurekensis John C. Roos 1955-5-13 6362 Inyo mouth of Marble Canyon Eureka Valley (w side of valley) 1036 Comment
  UC1080635  Camissonia pusilla John C. Roos 1955-5-15 6363 Inyo 0.5 mi w Willow Spring; Last Chance Mts. 1767 Comment
  UC1080636  Corispermum americanum var. americanum John C. Roos 1955-5-13 6361 Inyo sand dunes at mouth of Marble Canyon, W side Eureka Valley 1036 Comment
  UC1080637  Lupinus shockleyi John C. Roos 1955-5-13 6360 Inyo sand dunes at mouth of Marble Canyon mouth of Marble Canyon (w side Eureka Valley); , Mouth of Marble Canyon 1036 Comment
  UC1087305  Tricardia watsonii John C. Roos 1955-5-15 6376 Inyo 1 mile southeast of Willow Spring, Last Chance Mountains 1950 Comment
  UC1105691  Achnatherum aridum John C. Roos 1955-5-13 6346 Inyo e of Eureka Valley sand dunes (w base of Last Chance Mts.); Last Chance Mts. 1280 Comment
  UC1105692  Aristida purpurea var. nealleyi John C. Roos 1955-5-13 6338 Inyo e Eureka Valley sand dunes (w base of mts.); Last Chance Mts. 1219 Comment
  UC1117445  Muhlenbergia asperifolia J. C. Roos 1955-7-23 6514 Inyo along small stream east base Inyo Mountains, Saline Valley, Beveridge Canyon 640 Comment
  UC1117446  Achnatherum occidentale subsp. occidentale J. C. and A. R. Roos 1955-8-26 6556 Inyo n shoulder of Waucoba Mt. Inyo Mts., Waucoba Mt. 3352 Comment
  UC1117457  Achnatherum thurberianum J. C. Roos 1955-6-21 6462 Inyo 2 mi ne Willow Spring; Last Chance Mountains 1950 Comment
  UC1117458  Hesperostipa comata J. C. Roos 1955-6-19 6453 Inyo Willow Spring Last Chance Mountains (brushy slope) 1828 Comment
  UC1117460  Pleuraphis jamesii J. C. Roos 1955-6-17 6404 Inyo 2 mi ne Willow Spring (Last Chance Mountains); , ne of Willow Spring 2011 Comment
  UC1117606  Achnatherum pinetorum J. C. Roos 1955-7-21 6480 Inyo Whitetop Mountains, summit of Last Chance Mountains Last Chance Mountains 2499 Comment
  UC1117609  Tridens muticus John C. Roos 1955-5-13 6339 Inyo e of Eureka Valley (w base of Last Chance Mountains); Last Chance Mountains 1219 Comment
  UC1117610  Aristida purpurea var. nealleyi John C. Roos 1955-5-13 6338 Inyo e Eureka Valley sand dunes (w base of mts.); Last Chance Mts. 1219 Comment
  UC1234642  Eriogonum deflexum var. baratum J. C. Roos 1955-7-24 6519 Inyo near head of Grapevine Canyon; Nelson Range 1889 Comment
  UC1234644  Eriogonum mensicola J. C. Roos 1955-7-24 6521 Inyo near head of Grapevine Canyon; Nelson Range 1889 Comment
  UC1234645  Cordylanthus eremicus subsp. eremicus J. C. Roos 1955-7-24 6522 Inyo near head of Grapevine Canyon; Nelson Range 1889 Comment
  UC1234646  Eriogonum brachyanthum J. C. Roos 1955-7-24 6523 Inyo near head of Grapevine Canyon; Nelson Range 1889 Comment
  UC1234661  Fendlerella utahensis J. C. Roos 1955-7-21 6486 Inyo summit of Whitetop Peak Last Chance Mountains 2529 Comment
  UC1234663  Chrysothamnus viscidiflorus subsp. viscidiflorus A. R. and J. C. Roos 1955-8-26 6553 Inyo n shoulder Waucoba Mt.; Inyo Mts., Waucoba Mt. 3200 Comment
  UC1234664  Oxytropis borealis var. australis J. C. and A. R. Roos 1955-8-26 6557 Inyo summit Waucoba Mt.; Inyo Mtns. 3383 Comment
  UC1234669  Artemisia michauxiana J. C. and A. R. Roos 1955-8-26 6555 Inyo summit Waucoba Mt.; Inyo Mts., Waucoba Mt. 3383 Comment
  UC1234670  Lomatium foeniculaceum subsp. inyoense J. C. and A. R. Roos 1955-8-26 6554 Inyo summit & n. shoulder Waucoba Mt.; Inyo Mts., Waucoba Mt. 3383 Comment
  UC1234672  Eriogonum nummulare J. C. Roos 1955-7-20 6476 Inyo 2 mi e Willow Spring (0.1 mi nw of boundary marker # 80); Last Chance Mountains 2072 Comment
  UC1234677  Eriastrum wilcoxii J. C. Roos 1955-7-23 6508 Inyo Soldier Flat Inyo Mts., east base Waucoba Mts. 2194 Comment
  UC1234678  Eriogonum cernuum var. cernuum J. C. Roos 1955-7-23 6507 Inyo Soldier Flat at e base of Waucoba Mountain Inyo Mountains, Waucoba Mountain 2194 Comment
  UC1234681  Oxytheca dendroidea subsp. dendroidea J. C. Roos 1955-7-23 6504 Inyo Soldier Flat, e base of Waucoba Mountain Inyo Mountains, Waucoba Mountain 2194 Comment
  UC1234682  Eriogonum nummulare J. C. Roos and E. C. Jaeger 1955-7-22 6503 Inyo Slodier Flat, e base Waucoba Mountain Inyo Mountains, Waucoba Mountain, Slodier Flat 2194 Comment
  UC1234732  Artemisia rothrockii J. C. and A. R. Roos 1955-8-26 6558 Inyo summit of Waucoba Mt. Inyo Mts., Waucoba Mt. 3383 Comment
  UC1234810  Erigeron clokeyi var. pinzliae J. C. Roos 1955-7-21 6482 Inyo n face, Whitetop Peak,summit Last Chance Mountains; Whitetop Peak 2499 Comment
  UC1234811  Cercocarpus ledifolius var. intermontanus J. C. Roos 1955-7-21 6479 Inyo 2.5 mi s of Willow Spring (Last Chance Mountains); Last Chance Mountains 2377 Comment
  UC1234812  Chrysothamnus viscidiflorus subsp. puberulus J. C. Roos 1955-7-21 6478 Inyo 2.5 mi s Willow Spring (ridge of Last Chance Mountains); Last Chance Mountains 2316 Comment
  UC1234819  Tetradymia glabrata J. C. Roos 1955-6-21 6469 Inyo 1.5 mi sw Loretto mine (along Loretto road, e slope Inyo Mountains); Inyo MOuntains 1676 Comment
  UC1234820  Eriogonum deflexum var. baratum J. C. Roos 1955-7-22 6499 Inyo Willow Creek Last Chance Mountains, Willow Creek 1615 Comment
  UC1234822  Keckiella rothrockii J. C. Roos 1955-7-21 6494 Inyo 1 mi s Willow Spring; Last Chance Mountains 2072 Comment
  UC1234823  Penstemon rostriflorus J. C. Roos 1955-7-21 6493 Inyo 1 mi s Willow Spring (Last Chance Mountains); , s of Willow Spring 2072 Comment
  UC1234825  Ericameria nana J. C. and A. R. Roos 1955-8-24 6538 Inyo summit ridge of mountains 3.5 mi s Willow Spring; Last Chance Mts. 2438 Comment
  UC1234826  Gilia ochroleuca subsp. ochroleuca J. C. Roos 1955-6-17 6411 Inyo 2 mi ne Willow Spring (Last Chance Mountains); , ne of Willow Spring 2011 Comment
  UC1234829  Astragalus calycosus var. calycosus J. C. Roos 1955-6-19 6444 Inyo 2 mi w Last Chance Spring (summit ridge Last Chance Mountains); Last Chance Mountains, w of Last Chance Spring 2529 Comment
  UC1234830  Stenotus acaulis J. C. Roos 1955-6-19 6445 Inyo summit ridge Last Chance Mountains 2 miles west of Last Chance Spring. 2529 Comment
  UC1234833  Prunus andersonii John C. Roos 1955-6-20 6457 Inyo near Willow Spring (Last Chance Mountains); Last Chance Mountains 1828 Comment
  UC1234836  Eriogonum heermannii var. argense J. C. and A. R. Roos 1955-8-24 6537 Inyo ridge 2 mi s Willow Spring; Last Chance Mts. 2286 Comment
  UC1234837  Cordylanthus kingii subsp. helleri J. C. and A. R. Roos 1955-8-25 6548 Inyo e base Waucoba Mt.; Inyo Mts., Soldier Flat 2164 Comment
  UC1234838  Krascheninnikovia lanata J. C. and A. R. Roos 1955-8-25 6547 Inyo Little Cowhorn Valley Inyo Mts., Little Cowhorn Valley 2186 Comment
  UC1234843  Ericameria nauseosa var. hololeuca J. C. and A. R. Roos 1955-8-24 6100 Inyo 0.2 mi e Willow Spring; Last Chance Mts. 1859 Comment
  UC1234844  Gutierrezia microcephala J. C. and A. R. Roos 1955-8-24 6540 Inyo 1.5 mi ne Willow Springs; Last Chance Mts. 1889 Comment
  UC1234845  Lepidospartum latisquamum J. C. and A. R. Roos 1955-8-24 6539 Inyo near Willow Spring (Last Chance Mountains); Last Chance Mountains 1828 Comment
  UC1234846  Eriogonum ovalifolium var. ovalifolium J. C. Roos 1955-6-17 6405 Inyo 2 mi ne Willow Spring; Last Chance Mountains 2011 Comment
  UC1234847  Penstemon speciosus J. C. Roos 1955-6-17 6402 Inyo 2 mi ne Willow Spring; Last Chance Mountains 2011 Comment
  UC1234848  Crepis intermedia J. C. Roos 1955-6-17 6401 Inyo 2 mi ne Willow Spring; Last Chance Mountains 2011 Comment
  UC1234850  Streptanthus cordatus J. C. Roos 1955-6-17 6399 Inyo n slope 2 mi ne Willow Spring; Last Chance Mountains 2011 Comment
Read comments
Nov 4 2011
  UC1234851  Arabis pulchra J. C. Roos 1955-6-17 6398 Inyo 2 mi ne Willow Spring; Last Chance Mountains 2011 Comment
  UC1234852  Eremothera boothii subsp. intermedia J. C. Roos 1955-6-17 6396 Inyo 2 mi ne Willow Spring; Last Chance Mountains 2011 Comment
Read comments
Nov 4 2011
  UC1234853  Ericameria parryi var. aspera J. C. and A. R. Roos 1955-8-26 6551 Inyo saddle on main ridge between Squaw Peak Waucoba Mt.; Inyo Mts 2956 Comment
  UC1234856  Swertia albomarginata J. C. Roos 1955-6-19 6437 Inyo 2.5 mi s Willow Spring; Last Chance Mountains 2316 Comment
Read comments
Sep 5 2013
  UC1234859  Brickellia microphylla var. microphylla J. C. and A. R. Roos 1955-8-23 6526 Inyo 2 mi sw of Loretto Mine (canyon along Loretto road, e slope of Inyo Mts.); Inyo Mts. 1676 Comment
  UC1234862  Gutierrezia sarothrae J. C. and A. R. Roos 1955-8-23 6533 Inyo w base Last Chance Mts. e of Eureka Valley sand dunes; Last Chance Mts. 1219 Comment
  UC1234865  Eriastrum wilcoxii J. C. Roos 1955-6-17 6416 Inyo 2 mi ne Willow Spring; Last Chance Mountains 2011 Comment
  UC1234866  Chaenactis douglasii var. douglasii J. C. Roos 1955-6-17 6415 Inyo 2 mi ne of Willow Spring; Last Chance Mountains 2011 Comment
  UC1234869  Calochortus bruneaunis J. C. Roos 1955-6-17 6410 Inyo 2 mi ne Willow Spring; Last Chance Mountains 2011 Comment
  UC1234870  Lappula redowskii J. C. Roos 1955-6-17 6408 Inyo 2 mi. n.e. Willow Spring; Last Chance Mts. 2011 Comment
  UC1234871  Lupinus holmgrenianus J. C. Roos 1955-6-17 6407 Inyo 2 mi ne of Willow Spring (Last Chance Mountains); Last Chance Mountains 2011 Comment
  UC1234872  Chaenactis xantiana J. C. Roos 1955-6-17 6418 Inyo 2 mi ne of Willow Spring; Last Chance Mountains 2011 Comment
  UC1234873  Galium multiflorum J. C. Roos 1955-6-17 6419 Inyo 2 mi ne Willow Spring; Last Chance Mountains 2011 Comment
  UC1234875  Chorizanthe watsonii J. C. Roos 1955-6-18 6421 Inyo 2 mi ne Willow Spring (Last Chance Mountains); , ne of Willow Spring 2011 Comment
  UC1234876  Centrostegia thurberi var. thurberi J. C. Roos, M. D. 1955-6-18 6422 Inyo 2 mi ne of Willow Spring (Last Chance Mountains); Last Chance Mountains 2011 Comment
  UC1234879  Erigeron argentatus J. C. Roos 1955-6-18 6424 Inyo 2 mi ne Willow Spring; Last Chance Mountains 2011 Comment
  UC1236221  Tricardia watsonii John C. Roos 1955-5-16 6388 Inyo Along Loretto Road 3 miles southwest of Loretto Mine, Inyo Mts. 1859 Comment
  UC1236222  Galium multiflorum John C. Roos 1955-5-16 6385 Inyo 1.5 mi sw Loretto Mine (narrow canyon along Loretto Road); Inyo Mts. 1676 Comment
  UC1236223  Caulanthus glaucus John C. Roos 1955-5-16 6384 Inyo narrow canyon along Loretto Road 1.5 mi sw Loretto Mine (Inyo Mts.); , sw of Loretto Mine 1676 Comment
  UC1236229  Cryptantha flavoculata John C. Roos 1955-5-15 6378 Inyo 1 mi se Willow Springs; Last Chance Mts. 1950 Comment
  UC1236230  Cryptantha confertiflora John C. Roos 1955-5-15 6377 Inyo 1 mi se Willow Spring; Last Chance Mts. 1950 Comment
  UC1236233  Astragalus casei John C. Roos 1955-5-15 6373 Inyo 0.5 mi w Willow Spring (Last Chance Mts.); , w of Willow Spring 1767 Comment
  UC1236234  Astragalus serenoi var. shockleyi John C. Roos 1955-5-15 6372 Inyo 0.5 mi w Willow Spring (Last Chance Mts.); , w of Willow Spring 1767 Comment
  UC1236235  Astragalus inyoensis John C. Roos 1955-5-15 6371 Inyo 0.5 mi w Willow Spring (Last Chance Mts.); , w of Willow Spring 1767 Comment
  UC1236236  Prunus andersonii John C. Roos 1955-5-15 6370 Inyo Willow Spring Last Chance Mountains 1828 Comment
  UC1236238  Ribes velutinum John C. Roos 1955-5-15 6368 Inyo 0.5 mi w Willow Springs; Last Chance Mts. 1767 Comment
  UC1236240  Stanleya pinnata John C. Roos 1955-5-13 6366 Inyo w side Eureka Valley at mouth Marble Canyon; w side Eureka Valley at mouth Marble Canyon 1036 Comment
  UC1236243  Camissonia pusilla John C. Roos 1955-5-15 6363 Inyo 0.5 mi w Willow Spring; Last Chance Mts. 1767 Comment
  UC1236247  Cymopterus gilmanii John C. Roos 1955-5-13 6343 Inyo e and ne of Eureka Valley (w base of Last Chance Mountains); Last Chance Mountains 1219 Comment
  UC1236248  Purshia mexicana var. stansburyana John C. Roos 1955-5-13 6342 Inyo e of Eureka Valley sand dunes (w base of Last Chance Mountains); Last Chance Mountains 1219 Comment
  UC1236250  Brickellia atractyloides John C. Roos 1955-5-13 6337 Inyo e of Eureka Valley sand dunes; Last Chance Mts. (west base) 1219 Comment
  UC1236251  Amphipappus fremontii var. fremontii John C. Roos 1955-5-13 6336 Inyo e of, along sand dunes at w base of Last Chance Mts. Eureka Valley; Last Chance Mts., Eureka Valley 1219 Comment
  UC1236252  Buddleja utahensis John C. Roos 1955-5-13 6335 Inyo e Eureka Valley sand dunes (w base of Last Chance Mts.); w base Last Chance Mts., e of Eureka Valley sand dunes 1219 Comment
  UC1236253  Gilia latifolia John C. Roos 1955-5-13 6334 Inyo e Eureka Valley sand dunes (w base Last Chance Mts.); , e of Eureka Valley sand dunes 1219 Comment
  UC1236255  Phacelia perityloides John C. Roos 1955-5-13 6331 Inyo e Eureka Valley sand dunes; west base Last Chance Mts. 1219 Comment
  UC1236256  Phacelia rotundifolia John C. Roos 1955-5-13 6327 Inyo e Eureka Valley sand dunes; west base Last Chance Mts. 1158 Comment
  UC1236259 Image available Astragalus lentiginosus var. micans John C. Roos 1955-5-13 6354 Inyo se end Eureka Valley; se end Eureka Valley 929 Comment
  UC1236264  Penstemon monoensis John C. Roos 1955-5-16 6389 Inyo Waucoba road 7 mi e Big Pine (w side Inyo Mts.); , e of Big Pine 1615 Comment
  UC1236269  Acamptopappus shockleyi John C. Roos 1955-5-13 6345 Inyo east, in sand dunes at w base of Last Chance Mts. Eureka Valley; Last Chance Mts. 1280 Comment
  UC1473672  Cordylanthus tecopensis J. C. Roos and R. Weatherby 1949-9-3 3569 Inyo Hot Springs Tecopa; Mojave Desert 426 Comment
  UC1494265  Nitrophila mohavensis J. C. Roos and A. R. Roos 1954-6-13 6140 Inyo along Ash Meadows road 3 mi ne Death Valley Junction; Amorgosa Desert; Amargosa Desert, NE of Death Valley, Inyo Co. 624 Comment
  UC1494271  Ericameria gilmanii J. C. Roos 1947-9-19 2798 Inyo rocky ridge se Telescope Peak; Panamint Mtns. 3352 Comment
  UC1494273  Psathyrotes annua J. C. Roos 1965-9-18 Inyo near Crowley Point; Argus Mts. Comment
  UC1494275  Pyrrocoma racemosa var. paniculata J. C. Roos 1965-7-11 Inyo Tecopa Comment
  UC1495798  Helianthus annuus J. C. Roos 1950-4-7 4728 Inyo at Tecopa Tecopa 426 Comment
Read comments
Sep 29 2010
  UC1551953  Cordylanthus kingii subsp. helleri J. C. Roos 1958-8-30 Inyo Badger Flat; Inyo Mts. Comment
  UC1551955  Cordylanthus tecopensis John and Lucille Roos 1953-10-31 6033 Inyo 3 mi s Shoshone (along Amargosa River); Amargosa River 441 Comment
  UC2035934  Monardella odoratissima subsp. glauca J. C. and A. R. Roos 1953-8-9 5951 Inyo Tamarack Canyon Inyo Mts. 3078 Comment
  UC234675  Hazardia brickellioides J. C. Roos 1955-7-23 6513 Inyo Beveridge Valley Saline Valley, east base Inyo Mountains 640 Comment
  UCD118485  Eriastrum wilcoxii J. C. Roos; A. R. Roos 1954-6-12 6135 Inyo North face Wild Rose Peak at head of Trail Canyon. 2682 Comment
  UCD131344  Ericameria cooperi var. cooperi John Roos 1947-4-18 3471 Inyo around Dante's View. Comment
  UCD132933  Heliomeris multiflora var. nevadensis J. C. Roos 1965-7-11 s.n. Inyo Wildrose Canyon, at kilns. Panamint Mountains. Comment
  UCD135001  Psathyrotes annua J. C. Roos 1965-9-18 s.n. Inyo Argus Mountains, near Crowley Point. Comment
  UCD136547  Symphyotrichum bracteolatum J. C. Roos 1965-9-18 s.n. Inyo west side of Owens Lake. Comment
  UCD63881  Eragrostis mexicana subsp. virescens John and Lucille Roos 1951-8-12 5194 Inyo Big Pine, along Big Pine Creek. 1219 Comment
  UCR162974  Eriogonum microthecum var. lapidicola John C. Roos 1967-8-6 s.n. Inyo Inyo Mountains, 1 mile NE of Badger Flat Comment
  UCR18586  Encelia actoni John C. Roos 1947-4-18 3461 Inyo Northern Mojave Desert, Pass, 10 mi west of Death Valley Junction Comment
  UCR18594  Artemisia nova John C. Roos, L. Roos 1947-9-20 2807 Inyo Northern Mojave Desert, Wildrose Canyon, Panamint Mtns. 2378 Comment
  UCR18602  Viguiera reticulata John C. Roos 1956-9-30 6604 Inyo Northern Mojave Desert, Panamint Mountains, Wildrose Canyon, 1 mi below Wildrose [Ranger] Station Comment
  UCR18623  Chrysothamnus viscidiflorus var. puberulus John C. Roos, A. R. Roos 1954-8-14 6218 Inyo Northern Mojave Desert, Inyo Mountains, 2.5 miles NE of Andrews Mtn. 2378 Comment
  UCR18626  Ericameria cooperi John C. Roos 1947-4-18 3471 Inyo Northern Mojave Desert, Death Valley National Monument [Park], Black Mtns., Dante's View 1646 Comment
  UCR18635  Hydrocotyle verticillata John C. Roos, A. R. Roos 1950-8-7 4917 Inyo Northern Mojave Desert, China Ranch near Tecopa Pass 427 Comment
  UCR18645  Artemisia dracunculus John C. Roos 1950-8-6 s.n. Inyo Northern Mojave Desert, Tecopa Pass, west of Kingston Mountains 610 Comment
  UCR18686  Hecastocleis shockleyi John C. Roos 1954-5-8 6094 Inyo Northern Mojave Desert, Crest of Grapevine Mts., Leadfield 1646 Comment
  UCR18741  Nitrophila mohavensis John C. Roos, L. Roos 1954-9-14 6234 Inyo Northern Mojave Desert, Amargosa Desert, 3 mi. NE of Death Valley Junction, along Ash Meadows road 625 Comment
  UCR18742  Cryptantha circumscissa John C. Roos, L. Roos 1954-6-26 6156 Inyo Inyo Mtns, Mouth of Tamarack Canyon 2683 Comment
  UCR18766  Arabis perennans John C. Roos 1948-7-2 3907 Inyo Northern Mojave Desert, Panamint Mouontains, Mahogany Flats 2409 Comment
  UCR18769  Chenopodium leptophyllum John C. Roos, L. Roos 1954-6-26 6161 Inyo Inyo Mtns, Mazourka Canyon at SE end of Badger Flats 2622 Comment
  UCR18797  Cryptantha roosiorum John C. Roos 1958-7-5 s.n. Inyo Northern Mojave Desert, Inyo Mountains, near Badger Flats 2683 Comment
  UCR18798  Betula occidentalis John C. Roos 1965-8-9 s.n. Inyo Sierra Nevada Mountains, Independence Creek [near Onion Valley] 2896 Comment
  UCR18800  Cryptantha confertiflora John C. Roos 1947-4-20 3576 Inyo Northern Mojave Desert, Panamint Mountains near Telescope Peak, Wildrose Canyon 1585 Comment
  UCR18827  Cassiope mertensiana John C. Roos 1967-9-16 s.n. Inyo Sierra Nevada Mtns., Big Pine Creek on ridge below Palisade Glacier 3598 Comment
  UCR18843  Nitrophila mohavensis John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, 2 mi NE of Death Valley Junction 625 Comment
  UCR18847  Phacelia rotundifolia John C. Roos, L. Roos 1952-7-31 5878 Inyo NW of Cedar Flat, White Mtns 2439 Comment
  UCR18849  Cleomella brevipes John C. Roos, L. Roos 1954-9-14 6233 Inyo Northern Mojave Desert, Amargosa Desert, 3 mi. NE of Death Valley Junction, along Ash Meadows road 625 Comment
  UCR18851  Centaurium exaltatum John C. Roos 1947-4-20 3978 Inyo Northern Mojave Desert, Death Valley National Monument [Park], Warm Springs, Furnace Creek 76 Comment
  UCR18857  Aster pauciflorus John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Tecopa 427 Comment
  UCR18876  Arenaria kingii var. glabrescens John C. Roos, A. R. Roos 1953-8-11 5997 Inyo Northern Mojave Desert, Inyo Mtns: 2.5 mi east of Blue Bell Mine 2988 Comment
  UCR18886  Scopulophila rixfordii John C. Roos, L. Roos 1954-5-8 6097 Inyo Northern Mojave Desert, Grapevine Mountains, Titus Canyon, below Leadfield 1372 Comment
  UCR18893  Atriplex hymenelytra John C. Roos, A. R. Roos 1950-8-7 s.n. Inyo Northern Mojave Desert, China Ranch near Tecopa Pass 427 Comment
  UCR18894  Atriplex hymenelytra John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Stovepipe Wells, Death Valley 0 Comment
  UCR18896  Atriplex parryi John C. Roos, A. R. Roos 1950-8-7 4926 Inyo Northern Mojave Desert, Tecopa in Amargosa River Valley 427 Comment
  UCR18932  Purshia stansburyana John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Panamint Mtns, Mahogany Flats 2470 Comment
  UCR18948  Cleomella brevipes John C. Roos, R. Weatherby 1949-9-3 3565 Inyo Northeastern Mojave Desert, Drying alkaline meadows below Tecopa Hot Spring 427 Comment
  UCR18951  Cleomella obtusifolia John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Death Valley Junction 640 Comment
  UCR18952  Sedum rosea subsp. integrifolium John C. Roos 1937-8-8 1614 Inyo Sierra Nevada Mountains, Lone Pine Lake, Lone Pine Canyon Comment
  UCR18958  Bolboschoenus maritimus subsp. paludosus John C. Roos, L. Roos 1954-5-7 6077 Inyo Amargosa Desert, 3 mi NE of Death Valley Junction, on Ash Meadows Road 625 Comment
  UCR18959  Cuscuta indecora John C. Roos 1965-9-18 s.n. Inyo Eastern Sierra Nevada Mtns/Owens Valley, Big Pine Comment
  UCR18960  Silene andersonii John C. Roos 1941-8-17 59 Inyo Northern Mojave Desert, Panamint Mountains 3319 Comment
  UCR18970  Chenopodium rubrum John C. Roos 1965-9-18 s.n. Inyo Northern Mojave Desert, Darwin Mesa [=Darwin Plateau] Comment
  UCR18974  Astragalus kentrophyta John C. Roos 1967-8-5 s.n. Inyo White Mtns, Crest of range, east of Badger Flat Comment
  UCR18982  Astragalus calycosus John C. Roos 1952-7-26 5822 Inyo White Mtns, east side of Reed Flat, at the head of Birch Creek 3049 Comment
  UCR18983  Astragalus kentrophyta John C. Roos, L. Roos 1952-7-26 5820 Inyo White Mtns, east side of Reed Flat, at the head of Birch Creek 3049 Comment
  UCR18996  Lupinus magnificus John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Panamint Mtns: Wildrose Canyon at and below the Charcoal Kilns 2134 Comment
  UCR19002  Astragalus calycosus John C. Roos 1967-8-5 s.n. Inyo Northern Mojave Desert, Inyo Mountains, 1 mi. east of Badger Flat on the summit ridge 3201 Comment
  UCR19004  Allenrolfea occidentalis John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Stovepipe Wells, Death Valley 0 Comment
  UCR19035  Pedicularis groenlandica John C. Roos 1965-8-9 s.n. Inyo Sierra Nevada Mountains, near Little Pothole Lake, above Onion Valley [Kearsarge Pass area] 3061 Comment
  UCR19036  Penstemon davidsonii John C. Roos 1965-8-9 s.n. Inyo Sierra Nevada Mountains, east side of Kearsage Pass Comment
  UCR19037  Cordylanthus tecopensis John C. Roos, R. J. Weatherby 1949-9-3 3569 Inyo Northeastern Mojave Desert, Drying alkaline meadows below Tecopa Hot Spring 427 Comment
  UCR19044  Camissonia heterochroma John C. Roos, A. R. Roos 1954-8-14 6213 Inyo Inyo Mtns., 0.4 mi north of The Narrows, Marble Canyon 2317 Comment
  UCR19046  Kochia americana John C. Roos 1965-9-18 s.n. Inyo Northern Mojave Desert, Darwin Mesa [=Darwin Plateau] Comment
  UCR19048  Nitrophila occidentalis John C. Roos 1937-8-3 1957 Inyo Northern Mojave Desert, Little Lake 915 Comment
  UCR19051  Mimulus nanus var. mephiticus John C. Roos, L. Roos 1952-7-28 5846 Inyo White Mtns, Wyman Canyon 2683 Comment
  UCR19059  Penstemon scapoides John C. Roos, L. Roos 1952-7-28 5853 Inyo White Mtns., Wyman Canyon 2744 Comment
Read comments
Dec 6 2011
  UCR19060  Penstemon scapoides John C. Roos 1958-7-5 s.n. Inyo Northern Mojave Desert, Inyo Mountains, near Badger Flats 2683 Comment
  UCR19066  Eriogonum umbellatum var. versicolor John C. Roos, L. Roos 1954-6-26 6159 Inyo Inyo Mountains, Badger Flat 2622 Comment
  UCR19089  Lesquerella kingii John C. Roos, L. Roos 1952-7-26 5821 Inyo White Mtns, east side of Reed Flat at head of Birch Creek 3049 Comment
  UCR19092  Lappula occidentalis John C. Roos 1948-7-4 3896 Inyo Northern Mojave Desert, Panamint Mountains, Mahogany Flats 2470 Comment
  UCR19104  Abronia nana subsp. covillei John C. Roos 1967-8-6 s.n. Inyo Northern Mojave Desert, Inyo Mountains, 2 mi. NE of Badger Flats Comment
  UCR19105  Boerhavia annulata John C. Roos 1965-7-9 s.n. Inyo Northern Mojave Desert, Wildrose [Ranger] Station, Panamint Mountains 1280 Comment
  UCR19113  Mirabilis multiflora var. pubescens John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Panamint Mtns: Wildrose Canyon at and below the Charcoal Kilns 2134 Comment
  UCR19118  Mentzelia dispersa John C. Roos 1948-7-4 3897 Inyo Northern Mojave Desert, Panamint Mountains, east slope of Baldy [=Rogers?] Peak 2561 Comment
  UCR19124  Petalonyx nitidus John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Panamint Mtns: Wildrose Canyon at and below the Charcoal Kilns 2134 Comment
  UCR19137  Tidestromia oblongifolia John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Stovepipe Wells, Death Valley 0 Comment
  UCR19139  Lomatium foeniculaceum John C. Roos 1958-7-5 s.n. Inyo Northern Mojave Desert, Inyo Mountains, near Badger Flats 2683 Comment
  UCR19140  Ribes velutinum John C. Roos, L. Roos 1954-6-26 6164 Inyo Northern Mojave Desert, Inyo Mtns, Mazourka Canyon 2439 Comment
  UCR19176  Cladium californicum John C. Roos 1949-4-20 3499 Inyo Death Valley, Warm Spring, Furnace Creek. 76 Comment
  UCR19186  Erigeron uncialis John C. Roos 1954-6-26 6160 Inyo Inyo Mountains, Mazourka Canyon, near SE end of Badger Flats 2622 Comment
  UCR19189  Tetradymia canescens John C. Roos 1965-8-9 s.n. Inyo Sierra Nevada Mountains, Independence Creek [near Onion Valley] 2683 Comment
  UCR19199  Gilia ripleyi John C. Roos 1954-5-9 6107 Inyo Northern Mojave Desert, Emigrant Canyon, Panamint Mtns 1220 Comment
  UCR19201  Primula suffrutescens John C. Roos 1965-8-9 s.n. Inyo Sierra Nevada Mountains, Heart Lake, Independence Creek area 3300 Comment
  UCR19221  Jamesia americana var. californica John C. Roos 1965-8-9 s.n. Inyo Sierra Nevada Mountains, Heart Lake, Independence Creek area 3300 Comment
  UCR19222  Philadelphus microphyllus subsp. stramineus John C. Roos, L. Roos 1952-7-28 5843 Inyo White Mtns, Wyman Canyon 2683 Comment
  UCR19225  Ribes velutinum John C. Roos 1948-7-3 3900 Inyo Northern Mojave Desert, Panamint Mtns, east & SE slopes of Baldy [=Rogers?] Peak Comment
  UCR19248  Chorizanthe brevicornu var. spathulata John C. Roos 1948-7-3 3902 Inyo Northern Mojave Desert, Panamint Mountains, Arcane Meadows 3049 Comment
  UCR19264  Eriogonum rixfordii John C. Roos 1965-7-9 s.n. Inyo Northern Mojave Desert, Wildrose [Ranger] Station, Panamint Mountains 1280 Comment
  UCR19274  Pinus monophylla John C. Roos 1965-7-10 s.n. Inyo Northern Mojave Desert, Death Valley National Monument. Trail to Telescope Peak near Mahogany Flat 2500 Comment
  UCR19278  Melica stricta John C. Roos, L. Roos 1954-6-25 6154 Inyo Inyo Mtns., North end of Badger Flat 2683 Comment
  UCR19280  Stipa X bloomeri John C. Roos, A. R. Roos 1953-8-13 6014 Inyo Northern Mojave Desert, 3 mi east of Badger Flat, Inyo Mtns 3171 Comment
  UCR19281  Oryzopsis webberi John C. Roos 1952-7-25 5819 Inyo Northern Mojave Desert, White Mountains, between Westgard Pass and Reed Flat 2439 Comment
  UCR19291  Stipa comata John C. Roos 1955-6-26 6162 Inyo Inyo Mountains, Mazourka Canyon at SE end of Badger Flat Comment
  UCR19296  Stipa pinetorum John C. Roos 1967-8-6 s.n. Inyo Inyo Mtns, 1 mi NE of Badger Flat 2774 Comment
  UCR19346  Oryzopsis webberi John C. Roos 1958-4-5 s.n. Inyo Inyo Mountains, near Badger Flats Comment
  UCR19477  Pellaea breweri John C. Roos 1947-7-13 2893 Inyo Northern Mojave /Great Basin Desert, Panamint Mountains, Death Valley National Monument [Park], Telescope Peak 3354 Comment
  UCR19521  Eriogonum incanum John C. Roos 1952-7-27 5827 Inyo Northern Mojave Desert, White Mountains: west rim of Reed Flat 3110 Comment
  UCR19673  Bromus tectorum John C. Roos 1948-7-4 3917 Inyo Northern Mojave Desert, Thorndike Camp, upper Wildrose Canyon, Panamint Mountains 2264 Comment
  UCR19728  Ericameria gilmanii John C. Roos, A. R. Roos 1954-8-14 6216 Inyo Inyo Mountains, The Narrows, Marble Canyon 2180 Comment
  UCR19733  Chrysothamnus albidus John C. Roos, A. R. Roos 1954-8-15 6224 Inyo Northern Mojave Desert, Lower Warm Spring, Saline Valley 427 Comment
  UCR19734  Chenopodium rubrum John C. Roos, L. Roos 1954-11-23 6258 Inyo SW side of Salt Lake, Saline Valley 323 Comment
  UCR19825  Stephanomeria spinosa John C. Roos, E. C. Jaeger 1955-7-23 6509 Inyo Northern Mojave Desert, Soldier Flat [apparently =Whippoorwill Flat] at east base of Waucoba Mtn., Inyo Mountains 2195 Comment
  UCR20312  Crepis nana John C. Roos 1947-7-13 2895 Inyo Northern Mojave /Great Basin Desert, Panamint Mountains, Death Valley National Monument [Park], Telescope Peak 3354 Comment
  UCR20313  Solidago confinis John C. Roos 1949-9-3 s.n. Inyo Northern Mojave Desert, Tecopa 427 Comment
  UCR20315  Pluchea purpurascens John C. Roos 1949-9-3 4652 Inyo Northern Mojave Desert, east end of Tecopa oasis 457 Comment
  UCR20316  Sphaeromeria cana John C. Roos 1947-7-13 2877 Inyo Northern Mojave /Great Basin Desert, Panamint Mountains, summit of Telescope Peak 3363 Comment
  UCR20332  Atriplex confertifolia John C. Roos, A. R. Roos 1950-8-7 4925 Inyo Northern Mojave Desert, Tecopa in Amargosa River Valley 427 Comment
  UCR20333  Calochortus panamintensis John C. Roos, L. Roos 1954-6-25 6153 Inyo Inyo Mtns., North end of Badger Flat 2683 Comment
  UCR20340  Cryptantha circumscissa John C. Roos, A. R. Roos 1954-6-11 6126 Inyo Northern Mojave Desert, Panamint Mountains, Mahogany Flats 2500 Comment
  UCR20388  Oenothera cespitosa subsp. crinita John C. Roos 1947-7-13 28811 Inyo Northern Mojave /Great Basin Desert, Panamint Mountains, Death Valley National Monument [Park], Telescope Peak 3354 Comment
  UCR20425  Astragalus nutans John C. Roos 1947-7-13 2887 Inyo Northern Mojave /Great Basin Desert, Panamint Mtns, Arcane Meadows, between Baldy [=Rogers?] and Telescope Peaks 3018 Comment
  UCR20426  Lupinus argenteus var. meionanthus John C. Roos 1947-7-13 2874 Inyo Northern Mojave Desert, Panamint Mtns: Telescope Peak 3293 Comment
  UCR20427  Mentzelia montana John C. Roos 1947-7-13 2896 Inyo Northern Mojave /Great Basin Desert, Panamint Mountains, Death Valley National Monument [Park], Telescope Peak 3354 Comment
  UCR20432  Aquilegia formosa John C. Roos 1947-7-12 2899 Inyo Panamint Mtns., Wildrose Canyon. Near a spring at Thorndikes Camp 2264 Comment
  UCR20434  Keckiella rothrockii John C. Roos 1947-7-13 2884 Inyo Northern Mojave /Great Basin Desert, Panamint Mountains, east slope of Baldy [= Rogers?] Peak [near Arcane Meadow] Comment
  UCR20460  Swallenia alexandrae John C. Roos, L. Roos 1954-6-28 6175 Inyo Northern Mojave Desert, N slope of sand dunes at SE end of Eureka Valley 930 Comment
  UCR20610  Sitanion longifolium John C. Roos 1947-7-13 2890 Inyo Panamint Mtns, Near Arcane Meadows, south of Baldy Peak 3018 Comment
  UCR20623  Stipa pinetorum John C. Roos 1947-7-11 2901 Inyo Northern Mojave Desert, Panamint Mtns, Mahogany Flats 2470 Comment
  UCR20624  Elymus elymoides John C. Roos 1947-7-13 2889 Inyo Northern Mojave /Great Basin Desert, Panamint Mtns, Arcane Meadows, between Baldy [=Rogers?] and Telescope Peaks 3018 Comment
  UCR23248  Arabis glaucovalvula John C. Roos 1947-4-20 3515 Inyo Northern Mojave Desert, Panamint Mtns: Emigrant Pass 1555 Comment
  UCR23257  Bromus trinii John C. Roos, P. A. Munz 1955-4-8 6314 Inyo Northern Mojave Desert, Last Chance Mtns, east of Eureka Valley sand dunes 1220 Comment
  UCR23304  Nitrophila mohavensis John C. Roos, A. R. Roos 1954-6-13 6140 Inyo Northern Mojave Desert, Amargosa Desert, 3 mi. NE of Death Valley Junction, along Ash Meadows road 625 Comment
  UCR23342  Cheilanthes parryi John C. Roos, L. Roos 1955-4-6 6295 Inyo Northern Mojave Desert, Saline Valley, mouth of Craig Canyon, E base of Inyo Mtns. 534 Comment
  UCR23360  Cheilanthes feei John C. Roos 1955-5-16 6386 Inyo Inyo Mountains, narrow canyon 1.5 mi SW of Loretto Mine along Loretto Rd. 1677 Comment
  UCR23365  Ephedra viridis John C. Roos 1965-7-10 s.n. Inyo Northern Mojave Desert, Panamint Mountains, Arcane Meadows, near Telescope Peak 3018 Comment
  UCR23394  Cymopterus gilmanii John C. Roos, P. A. Munz 1955-4-8 6303 Inyo Northern Mojave Desert, Last Chance Mtns, east of Eureka Valley sand dunes 1220 Comment
  UCR23406  Cymopterus gilmanii John C. Roos 1955-5-13 6343 Inyo Northern Mojave Desert, west base of Last Chance Mountains, east of Eureka Valley sand dunes 1280 Comment
  UCR23414  Amsonia tomentosa John C. Roos 1955-5-13 6349 Inyo Northern Mojave Desert, west base of Last Chance Mountains, east of Eureka Valley sand dunes 1280 Comment
  UCR23415  Amsonia tomentosa John C. Roos, P. A. Munz 1955-4-8 6311 Inyo Northern Mojave Desert, Last Chance Mtns, east of Eureka Valley sand dunes 1220 Comment
  UCR23416  Sesuvium verrucosum John C. Roos 1955-7-24 6524 Inyo Owens Valley/Eastern Sierra Nevada, south end Owens Lake, 0.5 mi. east of Olancha 1100 Comment
  UCR23432  Streptanthus cordatus John C. Roos 1955-6-17 6399 Inyo Northern Mojave Desert, 2 mi. NE of Willow Spring, Last Chance Mtns. 1835 Comment
  UCR23434  Stanleya pinnata John C. Roos 1955-5-16 6391 Inyo Northern Mojave Desert, west side Inyo Mtns., Waucoba Road 6 mi east of Big Pine 1494 Comment
  UCR23435  Stanleya pinnata var. inyoensis John C. Roos 1955-5-13 6353 Inyo Northern Mojave Desert, SE end of Eureka Valley 945 Comment
  UCR23442  Lepidium lasiocarpum var. georginum John C. Roos 1955-5-13 6333 Inyo Northern Mojave Desert, west base of Last Chance Mtns, east of Eureka Valley sand dunes 1223 Comment
  UCR23443  Descurainia pinnata John C. Roos 1955-4-7 6301 Inyo Saline Valley, mouth of Hunter Canyon 351 Comment
  UCR23447  Boerhavia annulata John C. Roos 1955-5-13 6350 Inyo Northern Mojave Desert, west base of Last Chance Mountains, east of Eureka Valley sand dunes 1280 Comment
  UCR23449  Draba lemmonii John C. Roos 1937-8-8 1020 Inyo Sierra Nevada Mountains, Lone Pine Canyon, Whitney Pass 4116 Comment
  UCR23464  Physocarpus alternans John C. Roos 1965-7-10 s.n. Inyo Northern Mojave Desert, Panamint Mountains: Eagle Springs Comment
  UCR23467  Purshia stansburyana John C. Roos, A. R. Roos 1954-6-14 s.n. Inyo Northern Mojave Desert, Panamint Mtns, head of Wildrose Canyon 2439 Comment
  UCR23490  Galium multiflorum John C. Roos 1937-8-5 1027 Inyo White Mtns., White Mtns. Comment
  UCR23494  Galium matthewsii John C. Roos 1955-5-16 6385 Inyo Inyo Mountains, narrow canyon 1.5 mi SW of Loretto Mine along Loretto Rd. 1677 Comment
  UCR23498  Oenothera deltoides subsp. eurekensis John C. Roos, P. A. Munz 1955-4-9 6318 Inyo Northeastern Mojave Desert, Eureka Valley 945 Comment
  UCR23511  Cercocarpus intricatus John C. Roos 1955-6-19 6452 Inyo Summit Ridge of Last Chance Mtns 2 mi west of Last Chance Spring. 2561 Comment
  UCR23527  Camissonia pusilla John C. Roos 1955-5-15 6363 Inyo Northern Mojave Desert, Last Chance Mtns., 0.5 mi. west of Willow Spring 1768 Comment
  UCR23533  Epilobium obcordatum John C. Roos 1937-8-8 1015 Inyo Sierra Nevada Mtns., Lone Pine Canyon below Mt. Whitney 3506 Comment
  UCR23538  Boerhavia annulata John C. Roos 1955-7-23 6510 Inyo Inyo Mountains, mouth of Beveridge Canyon, east base of mountains, Saline Valley 610 Comment
  UCR23583  Cryptantha racemosa John C. Roos 1955-4-6 6289 Inyo Northern Mojave Desert, Saline Valley, mouth of Craig Canyon, E base of Inyo Mtns. 534 Comment
  UCR23588  Cryptantha flavoculata John C. Roos 1955-5-15 6378 Inyo Northern Mojave Desert, Last Chance Mtns, 1 mi SE of Willow Spring 1840 Comment
  UCR23590  Cryptantha confertiflora John C. Roos 1955-5-15 6377 Inyo Last Chance Mtns, 1 mi east of Willow Spring 1951 Comment
  UCR23602  Sphaeralcea ambigua John C. Roos 1955-5-15 6379 Inyo Northeastern Mojave Desert, Willow Creek, Last Chance Mtns 1585 Comment
  UCR23612  Buddleja utahensis John C. Roos 1955-5-13 6335 Inyo Northern Mojave Desert, west base of Last Chance Mtns, east of Eureka Valley sand dunes 1223 Comment
  UCR23613  Buddleja utahensis John C. Roos, P. A. Munz 1955-4-8 6312 Inyo Northern Mojave Desert, Last Chance Mtns, east of Eureka Valley sand dunes 1220 Comment
  UCR23614  Tricardia watsonii John C. Roos 1955-5-16 6388 Inyo Northern Mojave Desert, Inyo Mts., along Loretto Road 3 mles SW of Loretto Mine 1860 Comment
  UCR23615  Eucrypta micrantha John C. Roos 1955-4-6 6296 Inyo Northern Mojave Desert, Saline Valley, mouth of Craig Canyon, E base of Inyo Mtns. 534 Comment
  UCR23617  Eucnide urens John C. Roos 1955-4-6 6288 Inyo Northern Mojave Desert, Saline Valley, mouth of Craig Canyon, E base of Inyo Mtns. 534 Comment
  UCR23633  Caulanthus glaucus John C. Roos 1955-5-16 6384 Inyo Inyo Mountains, narrow canyon 1.5 mi SW of Loretto Mine along Loretto Rd. 1677 Comment
  UCR23652  Proboscidea parviflora var. hohokamiana John C. Roos, E. C. Jaeger 1955-7-23 6516 Inyo Northern Mojave Desert, Saline Valley, below mouth of Hunter Canyon 351 Comment
  UCR23656  Cleome sparsifolia John C. Roos 1965-9-18 s.n. Inyo Keeler, on the NE shore of Owens Lake 1097 Comment
  UCR23660  Brickellia longifolia John C. Roos 1961-10-22 s.n. Inyo Owens Valley, West side of Owens Lake, near Columbia Southern Chemical Company 1159 Comment
  UCR23664  Swertia perennis John C. Roos 1965-8-9 s.n. Inyo Sierra Nevada Mountains, near Little Pothole Lake, above Onion Valley [Kearsarge Pass area] 3061 Comment
  UCR23665  Centaurium exaltatum John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Tecopa 427 Comment
  UCR23672  Brickellia longifolia John C. Roos 1961-10-22 s.n. Inyo Northern Mojave Desert, Inyo Mountains, Loretto Road, at elev. of Loretto Mine 1585 Comment
  UCR23691  Brickellia californica John C. Roos 1956-8-29 6594 Inyo Northern Mojave Desert, Panamint Mountains, head of Death Valley Canyon 2300 Comment
  UCR23697  Gentiana newberryi John C. Roos 1937-8-8 1014 Inyo Sierra Nevada Mtns., Lone Pine Canyon below Mt. Whitney 3506 Comment
  UCR23708  Scopulophila rixfordii John C. Roos, P. A. Munz 1955-4-8 6313 Inyo Northern Mojave Desert, Last Chance Mtns, east of Eureka Valley sand dunes 1220 Comment
  UCR23709  Scopulophila rixfordii John C. Roos 1955-5-13 6340 Inyo Northern Mojave Desert, west base of Last Chance Mtns, east of Eureka Valley sand dunes 1223 Comment
  UCR23711  Arenaria macradenia var. parishiorum John C. Roos 1955-5-13 6355 Inyo Northern Mojave Desert, west base of Last Chance Mtns, east of Eureka Valley sand dunes 1223 Comment
  UCR23712  Phacelia frigida John C. Roos 1937-8-8 1021 Inyo Sierra Nevada Mtns., Lone Pine Canyon below Mt. Whitney 3506 Comment
  UCR23719  Brickellia microphylla John C. Roos 1947-9-18 2793 Inyo Northern Mojave Desert, Panamint Mtns, Charcoal Kilns 2115 Comment
  UCR23722  Phacelia perityloides John C. Roos 1955-5-13 6331 Inyo Northern Mojave Desert, west base of Last Chance Mtns, east of Eureka Valley sand dunes 1223 Comment
  UCR23723  Silene sargentii John C. Roos 1937-8-8 1018 Inyo Sierra Nevada Mtns., Lone Pine Canyon below Mt. Whitney 3506 Comment
  UCR23724  Phacelia perityloides John C. Roos 1955-4-6 6287 Inyo Northern Mojave Desert, mouth of Beveridge Canyon, east side of Inyo Mtns. 671 Comment
  UCR23726  Phacelia humilis John C. Roos 1955-6-17 6417 Inyo Northern Mojave Desert, 2 mi. NE of Willow Spring, Last Chance Mtns. 1835 Comment
  UCR23729  Chrysothamnus viscidiflorus subsp. puberulus John C. Roos 1955-7-21 6478 Inyo Last Chance Range, Ridge 2.5 mi. south of Willow Spring 2317 Comment
  UCR23747  Lycium cooperi John C. Roos 1955-5-15 6381 Inyo Willow Creek, Last Chance Mtns. 1646 Comment
  UCR23762  Erigeron divergens John C. Roos 1955-4-7 6302 Inyo Saline Valley, mouth of Hunter Canyon 351 Comment
  UCR23765  Erigeron argentatus John C. Roos 1955-6-18 6424 Inyo Northeastern Mojave Desert, 2 mi. NE of Willow Spring, Last Chance Mtns 2012 Comment
  UCR23766  Erigeron aphanactis John C. Roos 1955-5-15 6380 Inyo Northeastern Mojave Desert, Willow Creek, Last Chance Mtns 1585 Comment
  UCR23771  Dicoria canescens subsp. clarkiae John C. Roos 1955-5-13 6359 Inyo Northern Mojave Desert, SE end of Eureka Valley 945 Comment
  UCR23772  Dicoria canescens subsp. clarkiae John C. Roos, L. Roos 1954-11-24 6266 Inyo Northern Mojave Desert, SE end of Eureka Valley 930 Comment
  UCR23777  Hulsea algida John C. Roos 1937-8-8 1019 Inyo Sierra Nevada Mtns., Lone Pine Canyon below Mt. Whitney 3506 Comment
  UCR23782  Ericameria parryi var. aspera John C. Roos, Alfred R. Roos 1955-8-26 6551 Inyo Inyo Mountains, [Inyo National Forest], main ridge between Squaw Peak and Waucoba Mountain 2957 Comment
  UCR23783  Ericameria parryi John C. Roos 1961-9-2 s.n. Inyo Northern Mojave Desert, 3 mi east of Badger Flat, Inyo Mountains 3110 Comment
  UCR23803  Haplopappus brickellioides John C. Roos, P. A. Munz 1955-4-8 6306 Inyo Northern Mojave Desert, Last Chance Mtns, east of Eureka Valley sand dunes 1220 Comment
  UCR23804  Hecastocleis shockleyi John C. Roos 1955-5-13 6348 Inyo Northern Mojave Desert, west base of Last Chance Mountains, east of Eureka Valley sand dunes 1280 Comment
  UCR23833  Cirsium arizonicum var. arizonicum John C. Roos 1937-8-8 1016 Inyo Sierra Nevada Mtns., Lone Pine Canyon below Mt. Whitney 3506 Comment
  UCR23841  Andropogon glomeratus John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Furnace Creek, Death Valley -61 Comment
  UCR23846  Distichlis spicata John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, 2 mi NE of Death Valley Junction 625 Comment
  UCR23849  Prosopis pubescens John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Death Valley National Monument [Park], Warm Springs, Furnace Creek 76 Comment
  UCR23850  Prosopis glandulosa John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Death Valley National Monument [Park], Warm Springs, Furnace Creek 76 Comment
  UCR23877  Aristida purpurea var. nealleyi John C. Roos 1955-5-13 6338 Inyo Northern Mojave Desert, west base of Last Chance Mtns, east of Eureka Valley sand dunes 1223 Comment
  UCR23896  Haplopappus brickellioides John C. Roos 1955-8-23 6530 Inyo Last Chance Mtns., west base of Last Chance Mtns, east of Eureka Valley sand dunes 1220 Comment
  UCR23898  Ericameria gilmanii John C. Roos 1956-8-29 6597 Inyo Northern Mojave Desert, Panamint Mountains, head of Death Valley Canyon 2300 Comment
  UCR23906  Astragalus layneae John C. Roos, L. Roos 1955-4-7 6300 Inyo Northern Mojave Desert, N end of Saline Valley near Waucoba Wash 1616 Comment
  UCR23907  Astragalus mohavensis John C. Roos 1955-5-13 6329 Inyo Northern Mojave Desert, west base of Last Chance Mtns, east of Eureka Valley sand dunes 1159 Comment
  UCR23909  Astragalus platytropis John C. Roos 1955-7-21 6481 Inyo Northeastern Mojave Desert, North slope of Whitetop [= Last Chance] Peak, Last Chance Mtns. 2500 Comment
  UCR23910  Astragalus purshii var. longilobus John C. Roos 1947-4-20 3520 Inyo Northern Mojave Desert, Panamint Mountains near Telescope Peak, Wildrose Canyon 1585 Comment
  UCR23943  Ericameria discoidea John C. Roos, A. R. Roos 1955-8-26 6552 Inyo Northern Mojave Desert, Inyo Mtns, north shoulder of Waucoba Mtn 3262 Comment
  UCR23956  Astragalus atratus John C. Roos, P. A. Munz 1955-4-8 6304 Inyo Northern Mojave Desert, Last Chance Mtns, east of Eureka Valley sand dunes 1220 Comment
  UCR23957  Astragalus lentiginosus var. micans John C. Roos 1955-5-13 6354 Inyo Northern Mojave Desert, SE end of Eureka Valley 945 Comment
  UCR23983  Iva acerosa John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Tecopa 427 Comment
  UCR23992  Pluchea sericea John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Furnace Creek, Death Valley -61 Comment
  UCR23997  Euphrosyne acerosa John C. Roos 1949-9-3 4651 Inyo Northern Mojave Desert, east end of Tecopa oasis 457 Comment
Read comments
Aug 30 2007
  UCR24061  Muhlenbergia porteri John C. Roos 1955-8-25 6546 Inyo Northern Mojave Desert, East slope of the Inyo Mountains, Loretto road, 1 mile west of Loretto Mine 1585 Comment
  UCR24062  Muhlenbergia porteri John C. Roos 1955-5-13 6341 Inyo Northern Mojave Desert, west base of Last Chance Mountains, east of Eureka Valley sand dunes 1280 Comment
  UCR24065  Panicum capillare John C. Roos, E. C. Jaeger 1955-7-23 6518 Inyo Northern Mojave Desert, Saline Valley, below mouth of Hunter Canyon 351 Comment
  UCR24066  Lepidospartum latisquamum John C. Roos 1955-7-22 6500 Inyo Last Chance Mtns, Willow Creek, W slope Last Chance Mtns. 1616 Comment
  UCR24069  Poa bigelovii John C. Roos 1955-4-6 6285 Inyo Northern Mojave Desert, mouth of Beveridge Canyon, east side of Inyo Mtns. 671 Comment
  UCR24088  Chenopodium fremontii John C. Roos 1955-7-23 6515 Inyo Inyo Mtns., 1.5 mi south of Soldier Flat 1982 Comment
  UCR24103  Allium validum John C. Roos 1965-8-9 s.n. Inyo Sierra Nevada Mountains, near Little Pothole Lake, above Onion Valley [Kearsarge Pass area] 3061 Comment
  UCR24111  Chenopodium rubrum John C. Roos, A. R. Roos 1955-8-28 6567 Inyo Owens Valley, on the west side of Owens Lake, 3 miles north of Olancha 1082 Comment
  UCR24112  Chenopodium leptophyllum John C. Roos 1955-7-23 6506 Inyo Northern Mojave Desert, Soldier Flat [apparently =Whippoorwill Flat] at east base of Waucoba Mtn., Inyo Mountains 2195 Comment
  UCR24115  Atriplex hymenelytra John C. Roos 1937-12-28 s.n. Inyo Olancha Comment
  UCR24116  Atriplex hymenelytra John C. Roos 1954-11-23 s.n. Inyo Northern Mojave Desert, Lower Warm Spring, Saline Valley 427 Comment
  UCR24126  Pericome caudata John C. Roos 1956-8-29 6595 Inyo Northern Mojave Desert, Panamint Mountains, head of Death Valley Canyon 2300 Comment
  UCR24127  Tetradymia glabrata John C. Roos 1955-6-21 6469 Inyo Inyo Mtns, Narrow canyon along Loretto Rd. 1.5 mi SW of Loretto Mine, E slope of mtns 1677 Comment
  UCR24129  Tetradymia glabrata John C. Roos 1955-5-16 6387 Inyo Northern Mojave Desert, Inyo Mountains, narrow canyon 1.5 mi SW of Loretto Mine along Loretto Rd. 1677 Comment
  UCR24149  Lilium kelleyanum John C. Roos 1965-8-9 s.n. Inyo Sierra Nevada Mountains, near Little Pothole Lake, above Onion Valley [Kearsarge Pass area] 3061 Comment
  UCR24150  Tofieldia glutinosa subsp. occidentalis John C. Roos 1965-8-9 s.n. Inyo Sierra Nevada Mountains, near Little Pothole Lake, above Onion Valley [Kearsarge Pass area] 3061 Comment
  UCR24204  Triglochin concinna var. debilis John C. Roos 1965-9-18 s.n. Inyo Owens Valley, west side of Owens Lake 1098 Comment
  UCR24211  Eriogonum mensicola John C. Roos 1955-7-24 6521 Inyo Northern Mojave Desert, Nelson Range near head of Grapevine Canyon 1890 Comment
  UCR24212  Eriogonum shockleyi John C. Roos 1955-7-21 6484 Inyo Northeastern Mojave Desert, North slope of Whitetop [= Last Chance] Peak, Last Chance Mtns. 2500 Comment
  UCR24215  Eriogonum umbellatum subsp. aridum John C. Roos 1955-6-19 6432 Inyo 1 mi SE of Willow Spring, Last Chance Mountains 1951 Comment
  UCR24219  Plantago major John C. Roos 1965-9-18 s.n. Inyo Owens Valley, west side of Owens Lake 1098 Comment
  UCR24225  Gilia scopulorum John C. Roos 1955-5-13 6328 Inyo Northern Mojave Desert, west base of Last Chance Mtns, east of Eureka Valley sand dunes 1159 Comment
  UCR24229  Gilia ophthalmoides John C. Roos 1955-7-22 6501 Inyo Northern Mojave Desert, Inyo Mtns., at junction of Eureka Valley and Saline Valley roads 2241 Comment
  UCR24241  Polemonium eximium John C. Roos 1937-8-8 1013 Inyo Sierra Nevada Mtns., Lone Pine Canyon below Mt. Whitney 3506 Comment
  UCR24253  Centrostegia thurberi subsp. thurberi John C. Roos 1955-6-18 6422 Inyo Northeastern Mojave Desert, 2 mi. NE of Willow Spring, Last Chance Mtns 2012 Comment
  UCR24254  Chorizanthe brevicornu var. spathulata John C. Roos 1955-6-20 6459 Inyo Northern Mojave Desert, Last Chance Mtns 2 mi NE of Willow Spring 1951 Comment
  UCR24261  Eriogonum kearneyi var. monoense John C. Roos, E. C. Jaeger 1955-7-22 6503 Inyo Northern Mojave Desert, Soldier Flat, east base Waucoba Mtn, Inyo Mtns. 2195 Comment
  UCR24267  Eriogonum cernuum John C. Roos 1955-7-23 6507 Inyo Northern Mojave Desert, Soldier Flat [apparently =Whippoorwill Flat] at east base of Waucoba Mtn., Inyo Mountains 2195 Comment
  UCR24271  Eriogonum ovalifolium var. purpureum John C. Roos 1955-6-17 6405 Inyo Northern Mojave Desert, 2 mi. NE of Willow Spring, Last Chance Mtns. 1835 Comment
  UCR24289  Eriogonum maculatum John C. Roos 1961-5-6 s.n. Inyo 3 mi NE of Little Lake, Coso Mountains 1220 Comment
  UCR24290  Eriogonum brachyanthum John C. Roos 1955-7-24 6523 Inyo Northern Mojave Desert, Nelson Range near head of Grapevine Canyon 1890 Comment
  UCR24299  Acamptopappus shockleyi John C. Roos 1955-5-13 6345 Inyo Northern Mojave Desert, west base of Last Chance Mountains, east of Eureka Valley sand dunes 1280 Comment
  UCR24301  Swallenia alexandrae John C. Roos 1955-5-13 6365 Inyo Northern Mojave Desert, at the mouth of Marble Canyon, on the W side of Eureka Valley 1037 Comment
  UCR24306  Stipa pinetorum John C. Roos 1955-7-21 6480 Inyo Northeastern Mojave Desert, North face of Whitetop [= Last Chance] Peak on the summit of Last Chance Mtns. 2500 Comment
  UCR24307  Stipa pinetorum John C. Roos, A. R. Roos 1954-6-12 6136 Inyo Northern Mojave Desert, Panamint Mtns., north face Wildrose Peak at head of Trail Canyon 2683 Comment
  UCR24313  Eriogonum rixfordii John C. Roos 1965-9-18 s.n. Inyo Northern Mojave Desert, Panamint Mountains, Wildrose Canyon Comment
  UCR24335  Gilia scopulorum John C. Roos 1955-4-6 6298 Inyo Northern Mojave Desert, Saline Valley, mouth of Craig Canyon, E base of Inyo Mtns. 534 Comment
  UCR24337  Gilia filiformis John C. Roos, L. Roos 1961-5-6 s.n. Inyo Northern Mojave Desert, Coso Mountains 1189 Comment
  UCR24351  Stipa arida John C. Roos 1955-5-13 6346 Inyo Northern Mojave Desert, west base of Last Chance Mountains, east of Eureka Valley sand dunes 1280 Comment
  UCR24363  Artemisia ludoviciana John C. Roos 1961-9-2 s.n. Inyo Northern Mojave Desert, Inyo Mtns., below Side Hill Spring 2805 Comment
  UCR24368  Amphipappus fremontii John C. Roos 1955-5-13 6336 Inyo Northern Mojave Desert, west base of Last Chance Mountains, east of Eureka Valley sand dunes 1280 Comment
  UCR24397  Artemisia norvegica John C. Roos, A. R. Roos 1955-8-26 6555 Inyo Northern Mojave Desert, Inyo Mountains, summit of Waucoba Mtn 3384 Comment
  UCR24413  Heuchera rubescens John C. Roos 1965-7-10 s.n. Inyo NE slope of Telegraph Peak, Panamint Mtns 3049 Comment
  UCR24428  Fendlerella utahensis John C. Roos 1955-7-21 6486 Inyo Northeastern Mojave Desert, Whitetop [= Last Chance] Peak, summit of Last Chance Mountains 2530 Comment
  UCR24435  Mimulus bigelovii var. cuspidatus John C. Roos 1955-5-13 6326 Inyo Northern Mojave Desert, west base of Last Chance Mountains, east of Eureka Valley sand dunes 1280 Comment
  UCR24455  Mimulus primuloides var. pilosellus John C. Roos 1965-8-9 s.n. Inyo Sierra Nevada Mountains, Gilbert Lake 3181 Comment
  UCR24456  Mimulus bigelovii var. cuspidatus John C. Roos 1965-7-10 s.n. Inyo Northern Mojave Desert, Panamint Mountains, Arcane Meadows, near Telescope Peak 3018 Comment
  UCR24458  Penstemon patens John C. Roos 1958-7-5 s.n. Inyo Northern Mojave Desert, Inyo Mountains, near Badger Flats 2683 Comment
  UCR24474  Cordylanthus tecopensis John C. Roos, L. Roos 1954-9-15 6243 Inyo Northeastern Mojave Desert, between Tecopa and Tecopa Hot Springs 427 Comment
  UCR24478  Cordylanthus kingii subsp. helleri John C. Roos 1955-7-20 6475 Inyo Last Chance Mtns. 2 mi east of Willow Spring, at boundary marker number 80 2134 Comment
  UCR24491  Penstemon monoensis John C. Roos 1955-5-16 6389 Inyo Northern Mojave Desert, Waucoba road 7 mi east of Big Pine, west side Inyo Mtns. 1616 Comment
  UCR24494  Parietaria hespera var. hespera John C. Roos, L. Roos 1955-4-6 6297 Inyo Northern Mojave Desert, Craig Canyon, east base of Inyo Mtns, Saline Valley 503 Comment
  UCR24497  Penstemon calcareus John C. Roos 1955-5-13 6344 Inyo Northern Mojave Desert, west base of Last Chance Mtns, east of Eureka Valley sand dunes 1311 Comment
  UCR24501  Mimulus rupicola John C. Roos 1955-5-13 6351 Inyo Northern Mojave Desert, west base of Last Chance Mtns NE of Eureka Valley sand dunes 1220 Comment
  UCR24518  Eragrostis mexicana subsp. virescens Alfred R. Roos 1937-8-4 10901 Inyo Independence Comment
  UCR24552  Eragrostis mexicana subsp. virescens Alfred R. Roos 1937-8-9 11051 Inyo Olancha Comment
  UCR24596  Stanleya pinnata John C. Roos, L. Roos 1954-6-28 6177 Inyo Northern Mojave Desert, SE end of Eureka Valley 915 Comment
  UCR25303  Poa secunda John C. Roos 1955-4-6 6286 Inyo Northern Mojave Desert, mouth of Beveridge Canyon, east side of Inyo Mtns. 671 Comment
  UCR25311  Symphyotrichum lanceolatum var. hesperium John C. Roos 1965-9-18 s.n. Inyo Owens Valley, west side of Owens Lake 1098 Comment
  UCR25316  Eriogonum latens John C. Roos 1962-8-25 s.n. Inyo Northern Mojave Desert, Inyo Mtns, west ridge from Waucoba Mtn. Comment
  UCR25372  Koeleria macrantha John C. Roos, A. R. Roos 1954-6-12 6134 Inyo Northern Mojave Desert, Panamint Mountains, Wildrose Peak 2652 Comment
  UCR25425  Abronia turbinata John C. Roos, L. Roos 1954-6-28 6179 Inyo Northern Mojave Desert, SE end of Eureka Valley 915 Comment
  UCR25426  Erigeron aphanactis John C. Roos, L. Roos 1954-6-28 6170 Inyo Inyo Mtns, Loretto Road, above Loretto Mine 1646 Comment
  UCR25606  Stipa thurberiana John C. Roos 1951-8-8 5087 Inyo White Mtns, 3 mi NW of Cedar Flat 2591 Comment
  UCR25607  Stipa pinetorum John C. Roos, L. Roos 1951-8-8 5086 Inyo White Mtns, 3 mi NW of Cedar Flat 2591 Comment
  UCR25616  Penstemon scapoides John C. Roos, L. Roos 1951-8-9 5122 Inyo White Mtns, east side of Reed Flat 3049 Comment
  UCR25618  Stipa pinetorum John C. Roos, L. Roos 1951-8-10 5130 Inyo White Mtns, 1.5 mi north of Piute Mtn. 3567 Comment
  UCR25623  Stipa pinetorum John C. Roos, A. R. Roos 1953-8-8 5939 Inyo Inyo Mtns, Badger Flat 2652 Comment
  UCR25678  Gilmania luteola John C. Roos 1947-4-20 3502 Inyo Death Valley National Monument; at Zabriskie Point Comment
  UCR25681  Cirsium arizonicum var. tenuisectum John C. Roos, A. R. Roos 1953-8-9 5973 Inyo Inyo Mtns, Tamarack Canyon 2744 Comment
  UCR25682  Monardella odoratissima John C. Roos, A. R. Roos 1953-8-9 5951 Inyo Inyo Mtns, Tamarack Canyon 2744 Comment
  UCR25715  Dicoria canescens subsp. clarkiae John C. Roos, P. A. Munz 1955-4-9 6317 Inyo Northeastern Mojave Desert, Eureka Valley 945 Comment
  UCR25722  Eriogonum deflexum var. deflexum John C. Roos, L. Roos 1952-6-28 6172 Inyo Northern Mojave Desert, SE end of Eureka Valley 915 Comment
  UCR25786  Arabis platysperma John C. Roos 1937-8-8 981 Inyo Sierra Nevada Mtns., Lone Pine Canyon below Mt. Whitney 3506 Comment
  UCR25923  Plagiobothrys salsus John C. Roos, L. Roos 1954-5-7 6075 Inyo Amargosa Desert, 3 mi NE of Death Valley Junction, on Ash Meadows Road 625 Comment
  UCR25924  Eremogone congesta var. charlestonensis John C. Roos 1947-7-11 2844 Inyo Northern Mojave Desert, Panamint Mtns, Mahogany Flats 2470 Comment
  UCR25955  Astragalus nuttallianus John C. Roos, L. Roos 1954-5-9 6114 Inyo Northern Mojave Desert, Death Valley region, Panamint Mountains, Wildrose Canyon 1951 Comment
  UCR25959  Atriplex parryi John C. Roos, A. R. Roos 1954-8-15 6226 Inyo Northern Mojave Desert, Lower Warm Spring, Saline Valley 427 Comment
  UCR25969  Lappula occidentalis John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Panamint Mtns: Wildrose Canyon at and below the Charcoal Kilns 2134 Comment
  UCR25992  Oxystylis lutea John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Amargosa River at Eagle Mountain, south of Death Valley Junction 610 Comment
  UCR26049  Phacelia distans John C. Roos, A. R. Roos 1954-6-12 6129 Inyo Northern Mojave Desert, Panamint Mountains, upper Wildrose Canyon, near Wildrose Peak 2439 Comment
  UCR26084  Chaenactis carphoclinia var. carphoclinia John C. Roos 1947-4-19 3498 Inyo Northern Mojave Desert, Golden Canyon, Death Valley 76 Comment
  UCR26094  Viguiera multiflora John C. Roos 1965-7-11 S.N. Inyo Northern Mojave Desert, Panamint Mtns: Wildrose Canyon at and below the Charcoal Kilns 2134 Comment
  UCR26098  Psathyrotes annua John C. Roos 1965-9-18 s.n. Inyo Northern Mojave Desert, Argus Mtns, near Crowley Point 1271 Comment
  UCR26100  Senecio flaccidus var. monoensis John C. Roos 1947-4-18 3472 Inyo Northern Mojave Desert, in a canyon east of Dante's View, Death Valley area Comment
  UCR26127  Ivesia pygmaea John C. Roos 1937-8-8 538 Inyo Sierra Nevada Mtns., Lone Pine Canyon Comment
  UCR26142  Ericameria gilmanii John C. Roos 1947-9-19 2798 Inyo Northern Mojave Desert, Panamint Mountains, ridge SE of Telescope Peak 3354 Comment
  UCR26158  Erigeron clokeyi John C. Roos 1947-7-11 2905 Inyo Northern Mojave Desert, Panamint Mtns, Mahogany Flats 2470 Comment
  UCR26175  Penstemon fruticiformis subsp. fruticiformis John C. Roos 1947-7-15 2867 Inyo Panamint Mtns, Wildrose Canyon in the Mtns, Death Valley National Monument 1677 Comment
  UCR26176  Keckiella rothrockii John C. Roos 1941-8-17 64 Inyo Northern Mojave Desert, Panamint Mountains: head of Wildrose Canyon 2409 Comment
  UCR26180  Jamesia americana John C. Roos 1956-9-29 6602 Inyo Panamint Mtns, Head off Death Valley Canyon Comment
  UCR26186  Mentzelia albicaulis John C. Roos 1947-4-18 3455 Inyo Northern Mojave Desert, Shoshone 457 Comment
  UCR26188  Euphorbia ocellata var. arenicola John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Stovepipe Wells, Death Valley 0 Comment
  UCR26203  Aquilegia formosa John C. Roos 1948-7-4 3911 Inyo Panamint Mtns., Thorndike's Spring 2165 Comment
  UCR26229  Eriogonum rixfordii John C. Roos 1947-1-26 3200 Inyo Emigrant Canyon below Emigrant Spring, Death Valley 1150 Comment
  UCR26241  Arceuthobium divaricatum John C. Roos 1947-7-12 2864 Inyo Northern Mojave Desert, Mahogany Flats, Panamint Mountains 2500 Comment
  UCR26261  Mirabilis bigelovii John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Panamint Mtns: Wildrose Canyon at and below the Charcoal Kilns 2134 Comment
  UCR26262  Frasera puberulenta John C. Roos 1967-8-5 s.n. Inyo Northern Mojave Desert, Inyo Mountains, 1 mi. east of Badger Flat on the summit ridge 3201 Comment
  UCR26266  Apocynum cannabinum John C. Roos 1965-7-11 s.n. Inyo Northern Mojave Desert, Emigrant Spring, Death Valley 1250 Comment
  UCR26271  Phacelia pediculoides John C. Roos, L. Roos 1954-5-6 6073 Inyo Northern Mojave Desert, Amargosa River bottom, 4 mi. north of Shoshone 518 Comment
  UCR26272  Eriogonum umbellatum var. versicolor John C. Roos, L. Roos 1954-6-26 6159 Inyo Inyo Mountains, Badger Flat 2622 Comment
  UCR26273  Eriastrum wilcoxii John C. Roos, L. Roos 1952-6-25 6152 Inyo Northern Mojave Desert, East side of Badger Flats, Inyo Mtns. 2652 Comment
  UCR26274  Eriastrum wilcoxii John C. Roos, A. R. Roos 1954-6-12 6135 Inyo Northern Mojave Desert, Panamint Mtns., north face Wildrose Peak at head of Trail Canyon 2683 Comment
  UCR26275  Cymopterus aboriginum John C. Roos, A. R. Roos 1954-6-12 6131 Inyo Northern Mojave Desert, Panamint Mountains, upper Wildrose Canyon, near Wildrose Peak 2439 Comment
  UCR26276  Lomatium foeniculaceum John C. Roos, A. R. Roos 1953-8-9 5964 Inyo Inyo Mtns, upper Tamarack Canyon 3110 Comment
  UCR26277  Koeleria macrantha John C. Roos, A. R. Roos 1953-8-9 5966 Inyo Inyo Mtns., Ridge of mountains, SE of head of Tamarack Canyon 3232 Comment
  UCR26310  Sagittaria latifolia John C. Roos 1937-8-4 1952 Inyo Owens River near Lone Pine 1112 Comment
  UCR26328  Stipa occidentalis John C. Roos 1967-10-7 s.n. Inyo Big Pine Creek below Palisade Glacier 2896 Comment
  UCR26335  Melica stricta John C. Roos 1947-7-14 2856 Inyo Panamint Mtns., north slope of Baldy Peak 2591 Comment
  UCR26495  Astragalus oophorus John C. Roos 1947-7-11 2839 Inyo Northern Mojave Desert, Panamint Mountains, Mahogany Flats 2500 Comment
  UCR26496  Astragalus oophorus John C. Roos 1947-7-13 2831 Inyo Northern Mojave /Great Basin Desert, Panamint Mtns, Arcane Meadows, between Baldy [=Rogers?] and Telescope Peaks 3018 Comment
  UCR27227  Nama pusilla John C. Roos 1947-4-19 3481 Inyo Northern Mojave Desert, Death Valley [National Park], near Furnace Creek -48 Comment
  UCR27413  Mimulus bigelovii var. cuspidatus John C. Roos 1967-8-6 s.n. Inyo Inyo Mtns., Mazourka Canyon 1386 Comment
  UCR27419  Delphinium glaucum John C. Roos 1965-8-9 s.n. Inyo Eastern Sierra Nevada Mtns, Onion Valley 2744 Comment
  UCR27470  Eriogonum nummulare John C. Roos, A. R. Roos 1954-8-15 6219 Inyo Northern Mojave Desert, Inyo Mtns., Whipoorwill (or Soldier) flat at east side of Waucoba Mtn. 2165 Comment
  UCR27498  Eriastrum wilcoxii John C. Roos 1948-7-4 3915 Inyo Northern Mojave Desert, Thorndike Camp, upper Wildrose Canyon, Panamint Mountains 2264 Comment
  UCR27544  Phlox viridis John C. Roos 1947-4-20 3580 Inyo Northern Mojave Desert, Panamint Mountains near Telescope Peak, Wildrose Canyon 1585 Comment
  UCR27664  Eriogonum reniforme John C. Roos 1947-4-19 3490 Inyo Death Valley: dry roadside - wash SE of Furnace Creek 732 Comment
  UCR27667  Orobanche corymbosa John C. Roos 1967-8-5 s.n. Inyo Northern Mojave Desert, Inyo Mtns., Side Hill Spring 3049 Comment
  UCR27938  Galium hypotrichium John C. Roos 1965-7-10 s.n. Inyo Northern Mojave Desert, south slope trail to Telescope Peak, Panamint Mountains 2744 Comment
  UCR28478  Chenopodium fremontii John C. Roos 1967-8-6 s.n. Inyo Inyo Mtns., Al Rose Canyon 2050 Comment
  UCR30471  Poa secunda John C. Roos, A. R. Roos 1954-6-11 6127 Inyo Northern Mojave Desert, Panamint Mtns, head of Wildrose Canyon near Mahogany Flats 2470 Comment
  UCR30472  Chenopodium atrovirens John C. Roos, A. R. Roos 1953-8-11 6004 Inyo Northern Mojave/Great Basin Desert, north slope of the Inyo Mtns: 3 mi east of Blue Bell Mine on the trail to Side Hill Spring 3110 Comment
  UCR30476  Streptanthus cordatus John C. Roos, A. R. Roos 1953-8-11 6007 Inyo Northern Mojave Desert, 3 mi. east of Badger Flat, Inyo Mtns 3049 Comment
  UCR30477  Cryptantha roosiorum John C. Roos, A. R. Roos 1953-8-13 6015 Inyo Northern Mojave Desert, 3 mi east of Badger Flat, crest of Inyo Mtns 3232 Comment
  UCR30478  Lesquerella kingii John C. Roos, A. R. Roos 1953-8-11 6006 Inyo Northern Mojave Desert, Canyon 3 mi east of Badger Flat, Inyo Mtns. 3110 Comment
  UCR30479  Cryptantha hoffmannii John C. Roos, A. R. Roos 1953-8-11 6005 Inyo Northern Mojave Desert, Canyon 3 mi east of Badger Flat, Inyo Mtns. 3110 Comment
  UCR30493  Lupinus alpestris John C. Roos, A. R. Roos 1953-8-11 5988 Inyo Northern Mojave Desert, Inyo Mtns: 2 mi east of Blue Bell Mine 2866 Comment
  UCR30494  Senecio spartioides John C. Roos, A. R. Roos 1953-8-11 5990 Inyo Northern Mojave/Great Basin Desert, Inyo Mtns: 2-2.5 mi east of Blue Bell Mine 2866 Comment
  UCR30500  Astragalus oophorus John C. Roos, A. R. Roos 1953-8-11 5987 Inyo N Mojave Desert, Inyo Mtns: 2 mi east of Blue Bell Mine 2866 Comment
  UCR30502  Cercocarpus ledifolius John C. Roos, A. R. Roos 1953-8-13 6009 Inyo Inyo Mtns, Tamarack Canyon 2744 Comment
  UCR30508  Eriogonum panamintense John C. Roos, A. R. Roos 1953-8-11 5992 Inyo Northern Mojave/Great Basin Desert, Inyo Mtns: 2-2.5 mi east of Blue Bell Mine 2866 Comment
  UCR30509  Linanthus nuttallii John C. Roos, A. R. Roos 1953-8-11 5995 Inyo Northern Mojave/Great Basin Desert, Inyo Mtns: 2-2.5 mi east of Blue Bell Mine 2866 Comment
  UCR30520  Ericameria nana John C. Roos, A. R. Roos 1955-8-24 6538 Inyo Last Chance Mtns., Summit ridge of mtns, 3.5 mi. south of Willow Spring. 2439 Comment
  UCR30577  Pluchea sericea John C. Roos, A. R. Roos 1950-8-7 s.n. Inyo Northern Mojave Desert, China Ranch near Tecopa Pass 427 Comment
  UCR30597  Salix gooddingii John C. Roos, A. R. Roos 1950-8-7 s.n. Inyo Northern Mojave Desert, China Ranch near Tecopa Pass 427 Comment
  UCR30598  Prosopis pubescens John C. Roos, A. R. Roos 1950-8-7 s.n. Inyo Northern Mojave Desert, China Ranch near Tecopa Pass 427 Comment
  UCR30600  Tidestromia oblongifolia John C. Roos, A. R. Roos 1950-8-7 s.n. Inyo Northern Mojave Desert, China Ranch near Tecopa Pass 427 Comment
  UCR30601  Phragmites australis John C. Roos, A. R. Roos 1950-8-7 s.n. Inyo Northern Mojave Desert, China Ranch near Tecopa Pass 427 Comment
  UCR30603  Cirsium mohavense John C. Roos, A. R. Roos 1950-8-7 s.n. Inyo Northeastern Mojave Desert, Amargosa River Valley, Tecopa Hot Springs, c. 2 mi. north of Tecopa 427 Comment
  UCR30604  Pyrrocoma racemosa John C. Roos, A. R. Roos 1950-8-7 s.n. Inyo Northeastern Mojave Desert, Amargosa River Valley, Tecopa Hot Springs, c. 2 mi. north of Tecopa 427 Comment
  UCR30605  Atriplex lentiformis John C. Roos, A. R. Roos 1950-8-7 s.n. Inyo Northern Mojave Desert, Tecopa in Amargosa River Valley 427 Comment
  UCR30606  Pluchea purpurascens John C. Roos, A. R. Roos 1950-8-7 s.n. Inyo Northern Mojave Desert, Tecopa in Amargosa River Valley 427 Comment
  UCR30609  Sporobolus airoides John C. Roos, A. R. Roos 1950-8-7 4924 Inyo Northern Mojave Desert, Tecopa in Amargosa River Valley 427 Comment
  UCR30610  Distichlis spicata John C. Roos, A. R. Roos 1950-8-7 s.n. Inyo Northern Mojave Desert, Tecopa in Amargosa River Valley 427 Comment
  UCR30766  Centaurium exaltatum John C. Roos, A. R. Roos 1950-8-7 4927 Inyo Northern Mojave Desert, Tecopa in Amargosa River Valley 427 Comment
  UCR30767  Atriplex parryi John C. Roos, A. R. Roos 1950-8-7 4926 Inyo Northern Mojave Desert, Tecopa in Amargosa River Valley 427 Comment
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Sep 26 2010
  UCR30821  Lewisia pygmaea John C. Roos 1937-8-8 343 Inyo Sierra Nevada Mtns., Lone Pine Canyon below Mt. Whitney 3506 Comment
  UCR30829  Sedum stenopetalum John C. Roos 1937-8-8 342 Inyo Sierra Nevada Mtns., Lone Pine Canyon below Mt. Whitney 3506 Comment
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Dec 21 2020
  UCR30853  Eriogonum baileyi var. baileyi John C. Roos, A. R. Roos 1954-8-15 6228 Inyo Northern Mojave Desert, Inyo Mtns., Whipoorwill (or Soldier) flat at east side of Waucoba Mtn. 2195 Comment
  UCR31654  Koeleria macrantha John C. Roos, A. R. Roos 1953-8-9 5948 Inyo Inyo Mtns, Tamarack Canyon 2774 Comment
  UCR31671  Cryptantha echinella John C. Roos 1948-7-3 3899 Inyo Northern Mojave Desert, Panamint Mountains, Arcane Meadows 3018 Comment
  UCR31676  Aster pauciflorus John C. Roos, A. R. Roos 1950-8-7 4923 Inyo Northern Mojave Desert, Tecopa in Amargosa River Valley 427 Comment
  UCR34453  Senecio canus John C. Roos, L. Roos 1954-6-24 6147 Inyo Inyo Mtns., 1 mi east of Blue Bell Mine 2866 Comment
  UCR34460  Tetradymia spinosa var. longispina John C. Roos 1947-4-19 3479 Inyo Northern Mojave Desert, Death Valley National Monument [Park], canyon east of Dantes View 1646 Comment
  UCR54650  Suaeda moquinii John C. Roos, A. R. Roos 1950-8-7 s.n. Inyo Northeastern Mojave Desert, Amargosa River Valley, Tecopa Hot Springs, c. 2 mi. north of Tecopa 427 Comment
  UCSB32412  Hazardia brickellioides Roos, John; Roos, Alfred 1955-8-23 Inyo West base Last Chance Mts. east of Eureka Valley sand dunes 1219 Comment
  UCSB37343  Chloropyron tecopense Roos, John; Roos, Lucille 1954-9-14 Inyo Flats along Amargosa River bottom 3 miles south of Shoshone 432 Comment
  UCSB37355  Chloropyron tecopense Roos, John; Roos, A. 1950-8-7 Inyo Tecopa Hot Springs 426 Comment
  UCSB37781  Swallenia alexandrae John C. Roos and Lucille Roos 1955-4-10 6320 Inyo collected in the sand dunes of the Eureka Valley Eureka Valley 944 Comment
  UCSB37807  Chrysothamnus viscidiflorus Roos, John 1961-10-22 Inyo Loretto Road, near Loretto Mine, east side of the Inyo Mtns Comment
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Jul 25 2014
  UCSB37812  Ericameria teretifolia Roos, John 1965-9-18 Inyo Wild Rose Canyon, Panamint Mtns. Comment
  UCSB40904  Swallenia alexandrae John C. Roos and Lucille Roos 1954-6-28 6175 Inyo collected in the N-slope of sand dune at SE-end of the Eureka Valley Eureka Valley 929 Comment
  UCSB42189  Hecastocleis shockleyi Roos, John; Munz, Philip 1955-4-8 Inyo Last Chance Mtns., east of the Eureka Valley sand dunes Comment
  UCSB42199  Prosopis glandulosa var. torreyana Roos, John 1965-7-11 Inyo Warm Springs, Furnace Creek, Death Valley Comment
  UCSB42201  Prosopis pubescens Roos, John 1965-7-11 Inyo Warm Springs, Furnace Creek, Death Valley Comment
  UCSB42273  Erigeron divergens Roos, John 1955-4-7 Inyo Saline Valley, mouth of Hunter Canyon 350 Comment
  UCSB42282  Baccharis sarothroides Roos, John 1965-9-18 Inyo Wild Rose Canyon, Panamint Mtns. Comment
  UCSB45517  Poa secunda subsp. juncifolia Roos, John 1955-4-6 Inyo Beveridge Canyon, east base of the Inyo Mtns. 640 Comment
  UCSB45532  Penstemon speciosus Roos, John; Roos, Lucille 1954-6-29 Inyo The Narrows, Marble Canyon, Inyo Mtns. 2194 Comment
  UCSB45551  Erigeron clokeyi Roos, John 1965-7-10 Inyo Arcane Meadow, near Telescope Peak, Panamint Mountains Comment
  UCSB45562  Cirsium arizonicum Roos, John; Roos, Alfred 1953-8-9 Inyo Tamarack Canyon, Inyo Mts. 2743 Comment
  UCSB45574  Achnatherum occidentale subsp. californicum Roos, John 1967-10-7 Inyo Big Pine Creek below Palisade Glacier. 2895 Comment
  UCSB45607  Chamaesyce ocellata Roos, John; Roos, Lucille 1954-6-28 Inyo SE end of Eureka Valley 914 Comment
  UCSB45961  Poa bigelovii Roos, John 1955-4-8 Inyo Last Chance Mtns.; east of Eureka Valley sand dunes 1310 Comment
  UCSB46884  Triglochin concinna Roos, John 1965-7-11 Inyo Tecopa 426 Comment
  UCSB46885  Suaeda nigra Roos, A. 1950-8-7 Inyo Tecopa Hot Springs; about 2 miles north of Tecopa; in the Amargosa River Valley 426 Comment
  UCSB51367  Andropogon glomeratus Roos, John 1965-7-11 Inyo Furnace Creek, Death Valley Comment
  CAS-BOT-BC100740  Chrysothamnus viscidiflorus subsp. puberulus J. C. Roos; A. R. Roos 1954-8-14 6218 Inyo 2.5 miles NE of Andrews Mtn., Inyo Mts. 2377 Comment
  CAS-BOT-BC136956  Cercocarpus ledifolius var. intricatus John Roos; Lucille Roos 1954-6-26 6157 Inyo Tamarack Canyon, Inyo Mts. 2743 Comment
  CAS-BOT-BC151021  Diplacus bigelovii var. cuspidatus J. C. Roos 1965-7-10 s.n. Inyo Above Arcane Meadow, on the south slope of Telescope Peak. Panamint Range Comment
  CAS-BOT-BC176870  Salsola gobicola J. C. Roos; A. R. Roos 1953-8-13 6008 Inyo Tamarack Canyon, Inyo Mts. 2743 Comment
  CAS-BOT-BC176875  Salsola gobicola J. C. Roos; A. R. Roos 1953-8-13 6008 Inyo Tamarack Canyon, Inyo Mts. 2743 Comment
  CAS-BOT-BC209176  Dichanthelium acuminatum subsp. acuminatum J. C. Roos 1955-7-23 6511 Inyo Mouth of Beveridge Canyon, east base of Inyo Mts., Saline Valley 609 Comment
  CAS-BOT-BC210896  Achnatherum parishii subsp. depauperatum John Roos; Lucille Roos 1947-7-13 2888 Inyo East slope Baldy Pk., Panamint Mts. 2529 Comment
  CAS-BOT-BC211143  Lomatium foeniculaceum subsp. inyoense John Roos; Lucille Roos 1954-6-24 6149 Inyo Crest of Inyo Mts. 3 miles east of Badger Flat in headwaters of Marble Canyon Watershed 3169 Comment
  CAS-BOT-BC215319  Lupinus excubitus var. excubitus John Roos; Lucille Roos 1947-7-13 2862 Inyo Baldy Peak, Panamint Mountains 2621 Comment
  CAS-BOT-BC247047  Poa secunda subsp. juncifolia J. C. Roos 1955-4-6 6286 Inyo On rocky canyon bottom of Beveridge Canyon, east base of the Inyo Mtns. 640 Comment
  CAS-BOT-BC248784  Eriogonum baileyi var. baileyi J. C. Roos; A. R. Roos 1955-8-24 6535 Inyo Last Chance Mts. 2 miles N.E. of Willow Spring 2011 Comment
  CAS-BOT-BC248785  Eriogonum baileyi var. baileyi J. C. Roos; E. C. Jaeger 1955-7-21 6496 Inyo Willow Spring, Last Chance Mountains 1828 Comment
  CAS-BOT-BC254163  Eriogonum baileyi var. baileyi J. C. Roos; A. R. Roos 1954-8-15 6228 Inyo Whipoorwill (or Soldier) Flat at east side of Waucoba Mtn., Inyo Mts. 2194 Comment
  CAS-BOT-BC256245  Eriogonum deflexum var. baratum J. C. Roos 1955-7-21 6489 Inyo 2.5 miles south of Willow Spring, ridge at crest of Last Chance Mountains 2346 Comment
  CAS-BOT-BC258556  Eriogonum nummulare J. C. Roos; E. C. Jaeger 1955-7-22 6503 Inyo Soldier Flat, east base Waucoba Mountain, Inyo Mountains 2194 Comment
  CAS-BOT-BC258640  Eriogonum ovalifolium var. nivale John Roos; Lucille Roos 1954-6-26 6158 Inyo Badget Flat, Inyo Mts. 2621 Comment
  CAS-BOT-BC258752  Eriogonum ovalifolium var. ovalifolium John Roos; Lucille Roos 1952-7-31 5877 Inyo 1 mile south of Reed Flat, White Mts. 2834 Comment
  CAS-BOT-BC262191  Eriogonum umbellatum var. versicolor J. C. Roos; A. R. Roos 1953-8-13 6012 Inyo Crest of Inyo Mts. 3 miles east of Badget Flat 3169 Comment
  CAS-BOT-BC266687  Penstemon calcareus John Roos; Lucille Roos 1954-5-8 6102 Inyo Titus Canyon, Grapevine Mountains 1310 Comment
  CAS-BOT-BC269884  Eriogonum nudum var. pubiflorum John Roos; Lucille Roos 1947-7-15 2871 Inyo Wild Rose [Wildrose] Canyon at Kilns, Panamint Mts. 2133 Comment
  CAS-BOT-BC275151  Muhlenbergia porteri J. C. Roos; A. R. Roos 1955-8-25 6546 Inyo Loretto Road, 1 mile W of Loretto Mine, E slope Inyo Mountains 1584 Comment
  CAS-BOT-BC276246  Achnatherum X bloomeri J. C. Roos; A. R. Roos 1955-8-26 6559 Inyo E slope Waucoba Mountain, Inyo Mountains 3048 Comment
  CAS-BOT-BC276596  Chaenactis douglasii var. douglasii John Roos; Lucille Roos 1947-7-12 2897 Inyo Mahogany Flats, Panamint Mountains 2407 Comment
  CAS-BOT-BC279759  Chaetopappa ericoides J. C. Roos; A. R. Roos 1953-8-11 5986 Inyo Ridge 1 1/2 miles east of Blue Bell Mine, Inyo Mts. 2865 Comment
  CAS-BOT-BC291539  Crepis intermedia John Roos; Lucille Roos 1951-8-10 5128 Inyo Head of Wyman Canyon, White Mts. 3200 Comment
  CAS-BOT-BC292157  Dicoria canescens J. C. Roos; Philip A. Munz 1954-9-18 20157 Inyo At s.e. end of Eureka Valley, e. of Inyo Range 914 Comment
  CAS-BOT-BC292159  Dicoria canescens John Roos; Lucille Roos 1954-11-24 6266 Inyo Southeast end Eureka Valley 929 Comment
  CAS-BOT-BC292161  Dicoria canescens J. C. Roos; Philip A. Munz 1954-9-18 20157 Inyo At s.e. end of Eureka valley, e. of Inyo Range 914 Comment
  CAS-BOT-BC293547  Erigeron aphanactis var. aphanactis John C. Roos 1955-5-15 6380 Inyo Willow Creek, Last Chance Mts. 1584 Comment
  CAS-BOT-BC294365  Ericameria paniculata John Roos; Lucille Roos 1947-9-20 2812 Inyo Emigrant Wash near Emigrant Spring, Panamint Mts. 1249 Comment
  CAS-BOT-BC298129  Ericameria nauseosa var. oreophila John Roos; Lucille Roos 1947-9-19 2804 Inyo E slope Baldy Peak, Panamint Mts 2743 Comment
  CAS-BOT-BC307547  Hecastocleis John C. Roos 1955-5-13 6348 Inyo West base Last Chance Mts., east of Eureka Valley sand dunes 1310 Comment
  CAS-BOT-BC308506  Gutierrezia sarothrae John Roos; Lucille Roos 1947-7-11 2842 Inyo Mahgany Flats, Panamint Mts. 2499 Comment
  CAS-BOT-BC308524  Hazardia brickellioides J. C. Roos; P. A. Munz 1955-4-8 6306 Inyo Last Chance Mtns. east of Eurka Valley sand dunes 1280 Comment
  CAS-BOT-BC31347  Bolboschoenus maritimus John C. Roos; L. Roos 1954-5-7 6077 Inyo Alkaline flats 3 mi NE of Death Valley Junction, along Ash Meadows road. 624 Comment
  CAS-BOT-BC314406  Hecastocleis J. C. Roos; P. A. Munz 1955-4-8 6308 Inyo Last Chance Mtns. east of the Eureka Valley sand dunes 1310 Comment
  CAS-BOT-BC314407  Hecastocleis John Roos; Lucille Roos 1954-5-8 6094 Inyo Crest of Grapevine Mts. above Leadfield 1645 Comment
  CAS-BOT-BC330671  Acer glabrum var. diffusum A. R. Roos; J. C. Roos 1953-8-9 5946 Inyo Tamarack Canyon, Inyou Mts. 2712 Comment
  CAS-BOT-BC33658  Eriogonum glandulosum John C. Roos; A. R. Roos 1955-8-23 6527 Inyo At West base of Last Chance Mts., east of Eureka Valley sand dunes 1158 Comment
  CAS-BOT-BC339938  Sphaeromeria cana John Roos; Lucille Roos 1947-9-19 2797 Inyo Rocky summit of Telescope Peak, Panamint Mts. 3365 Comment
  CAS-BOT-BC362304  Pyrrocoma racemosa var. paniculata John Roos; Lucille Roos 1947-9-20 2815 Inyo South end Owens Lake at Olancha 1097 Comment
  CAS-BOT-BC377029  Townsendia scapigera J. C. Roos 1955-6-19 6436 Inyo East ridge one mile south of Willow Spring, Last Chance Mountains 2286 Comment
  CAS-BOT-BC41003  Caulanthus crassicaulis John C. Roos; Lucille Roos 1954-6-28 6168 Inyo Inyo Mountains. Southwest slope Little Cowhorn Valley. 2255 Comment
  CAS-BOT-BC41005  Caulanthus crassicaulis J. C. Roos 1955-6-21 6470 Inyo Inyo Mountains. Little Cowhorn Valley. 2255 Comment
  CAS-BOT-BC413258  Oxytheca dendroidea subsp. dendroidea John Roos; Lucille Roos 1954-6-27 6166 Inyo Flats 1 1/2 miles east of Andrews Mtn., Inyo Mts. 2545 Comment
  CAS-BOT-BC423256  Oxystylis lutea John Roos; Lucille Roos 1954-5-6 6072 Inyo Amargosa River bottom 4 mi. north of Shoshone. 518 Comment
  CAS-BOT-BC423269  Peritoma lutea John Roos; Lucille Roos 1954-6-29 6189 Inyo Lower end Squaw Flat near The Narrows of Marble Canyon, Inyo Mts. 2209 Comment
  CAS-BOT-BC424467  Heuchera rubescens John Roos; Lucille Roos 1947-7-13 2883 Inyo Telescope Peak, Panamint Mts. 3291 Comment
  CAS-BOT-BC444426  Lewisia rediviva var. minor John Roos; Lucille Roos 1950-7-27 5825 Inyo West side Reed Flat, White Mts. 3078 Comment
  CAS-BOT-BC444427  Lewisia rediviva var. minor John Roos; Lucille Roos 1950-7-27 5825 Inyo West side Reed Flat, White Mts. 3078 Comment
  CAS-BOT-BC451812  Triglochin maritima John Roos; Lucille Roos 1954-5-7 6078 Inyo Amargosa Desert 3 miles NE of Death Valley Junction along Ash Meadows road. 624 Comment
  CAS-BOT-BC460957  Chenopodium atrovirens John C. Roos; Alfred R. Roos 1953-8-11 6004 Inyo Around cabin at pass to Side HIll Spring, 3 miles E of Blue Bell Mine 3108 Comment
  CAS-BOT-BC487782  Calochortus bruneaunis J. C. Roos 1955-6-17 6410 Inyo 2 miles NE of Willow Spring, Last Chance Mountains 2011 Comment
  CAS-BOT-BC502895  Orobanche fasciculata J. C. Roos 1965-7-10 s.n. Inyo Arcane Meadows, near Telescope Peak, Panamint Mountains Comment
  CAS-BOT-BC514443  Eriastrum eremicum subsp. eremicum John Roos; Lucille Roos 1947-7-15 2825 Inyo Darwin Mesa 1524 Comment
  CAS-BOT-BC515215  Eriastrum wilcoxii J. C. Roos 1965-7-11 s.n. Inyo Wildrose Canyon at kilns, Panamint Mtns. Comment
  CAS-BOT-BC523866  Gilia modocensis J. C. Roos 1955-6-17 6394 Inyo 2 mi NE of Willow Spring, Last Chance Mountains 2011 Comment
  CAS-BOT-BC60860  Stanleya elata J. C. Roos 1955-6-21 6465 Inyo Willow Creek, west slope Last Chance Mountains. 1615 Comment
  CAS-BOT-BC67979  Cystopteris fragilis John Roos; Lucille Roos 1947-7-14 2853 Inyo Panamint Mts. - rocks in steep canyon on north slope of Baldy Peak. 2621 Comment
  CAS-BOT-BC93726  Artemisia ludoviciana subsp. albula John Roos; Lucille Roos 1947-9-20 2814 Inyo Emigrant Wash near Emigrant Spring, Panamint Mts. 1249 Comment
  CAS-BOT-BC99233  Aster J. C. Roos; A. R. Roos 1955-8-28 6570 Inyo West side Owens Lake 3 miles north of Olancha 1091 Comment
  CLARK-A1528-1187  Atriplex phyllostegia John C. Roos 1954-5-6 6074 Inyo Amargosa River 518 Comment
  CLARK-A1528-1192  Chenopodium leptophyllum John C. Roos 1951-8-8 5112 Inyo White Mountains 3139 Comment
  CLARK-A1528-1435  Cymopterus cinerarius John C. Roos 1952-7-27 5831 Inyo White Mountains 3169 Comment
  CLARK-A1528-1525  Dichelostemma pulchellum John C. Roos, Lucille Roos 1954-5-9 6111 Inyo Panamint Range 1950 Comment
  CLARK-A1528-1545  Amphipappus fremontii John C. Roos 1955-4-6 6291 Inyo Inyo Mountains 518 Comment
  CLARK-A1528-1576  Artemisia ludoviciana John C. Roos 1961-9-2 Inyo Inyo Mountains 2804 Comment
  CLARK-A1528-1585  Artemisia nova John C. Roos, Lucille Roos 1947-9-20 2806 Inyo Panamint Mountains 2377 Comment
  CLARK-A1528-1586  Artemisia nova John C. Roos 1947-9-20 2805 Inyo Panamint Mountains 2590 Comment
  CLARK-A1528-1588  Artemisia nova John C. Roos, Lucille Roos 1947-9-20 2809 Inyo Panamint Mountains 2133 Comment
  CLARK-A1528-1612  Aster intricatus John C. Roos 1949-9-3 4650 Inyo Tecopa 426 Comment
  CLARK-A1528-1678  Brickellia longifolia John C. Roos 1961-10-22 Inyo Owens Lake Comment
  CLARK-A1528-1680  Brickellia microphylla John C. Roos, Lucille Roos 1954-11-24 6265 Inyo Inyo Mountains 1676 Comment
  CLARK-A1528-1683  Brickellia multiflora John C. Roos 1947-9-18 2792 Inyo Panamint Mountains 1066 Comment
  CLARK-A1528-1684  Brickellia multiflora John C. Roos 1961-10-22 Inyo Inyo Mountains Comment
  CLARK-A1528-1685  Brickellia multiflora John C. Roos 1954-3-27 6058 Inyo Death Valley National Park Comment
  CLARK-A1528-1686  Brickellia multiflora John C. Roos, Lucille Roos 1947-9-20 2813 Inyo Panamint Range 1249 Comment
  CLARK-A1528-1715  Chrysothamnus nauseosus subsp. mohavensis John C. Roos, Lucille Roos 1947-9-20 2808 Inyo Panamint Mountains 2133 Comment
  CLARK-A1528-1740  Chrysothamnus teretifolius John C. Roos, Lucille Roos 1947-9-20 2811 Inyo Panamint Mountains 1523 Comment
  CLARK-A1528-1745  Chrysothamnus viscidiflorus John C. Roos 1961-10-22 Inyo Inyo Mountains Comment
  CLARK-A1528-1798  Dicoria canescens subsp. clarkiae John C. Roos, Philip A. Munz 1954-9-18 20157 Inyo Eureka Valley 929 Comment
  CLARK-A1528-1800  Dicoria canescens subsp. clarkiae John C. Roos, Lucille Roos 1954-6-28 6173 Inyo Eureka Valley 929 Comment
  CLARK-A1528-1815  Erigeron argentatus John C. Roos 1952-7-25 5817 Inyo White Mountains 2438 Comment
  CLARK-A1528-1821  Erigeron divergens John C. Roos 1955-4-7 6302 Inyo Hunter Canyon 350 Comment
  CLARK-A1528-1867  Gutierrezia sarothrae John C. Roos 1947-7-11 2842 Inyo Panamint Mountains 2499 Comment
  CLARK-A1528-1875  Haplopappus brickellioides John C. Roos 1955-4-8 6306 Inyo Last Chance Mountains 1280 Comment
  CLARK-A1528-1877  Haplopappus brickellioides John C. Roos, Lucille Roos 1955-4-6 6292 Inyo Inyo Mountains 518 Comment
  CLARK-A1528-1931  Hecastocleis shockleyi John C. Roos, Philip A. Munz 1955-4-8 6308 Inyo Last Chance Mountains 1310 Comment
  CLARK-A1528-1939  Helianthus annuus subsp. jaegeri John C. Roos 1950-4-7 4728 Inyo Tecopa 426 Comment
  CLARK-A1528-1948  Hulsea heterochroma John C. Roos 1961-8-9 Inyo Independence Creek 2682 Comment
  CLARK-A1528-1996  Stephanomeria spinosa John C. Roos 1947-7-11 2902 Inyo Panamint Mountains 2438 Comment
  CLARK-A1528-2056  Pluchea purpurascens John C. Roos 1949-9-3 4652 Inyo Tecopa 457 Comment
  CLARK-A1528-2066  Psathyrotes annua John C. Roos 1947-7-15 2827 Inyo Darwin Mesa 1523 Comment
  CLARK-A1528-2108  Stephanomeria pauciflora var. myrioclada John C. Roos, Alfred R. Roos 1954-8-13 6207 Inyo Eureka Valley 426 Comment
  CLARK-A1528-2120  Tetradymia canescens John C. Roos 1965-8-9 Inyo Independence Creek Comment
  CLARK-A1528-2159  Haplopappus paniculatus John C. Roos 1949-9-3 3567 Inyo Tecopa 426 Comment
  CLARK-A1528-2188  Helianthus annuus subsp. jaegeri John C. Roos 1949-6-28 3562 Inyo Tecopa Comment
  CLARK-A1528-2203  Coldenia nuttallii John C. Roos 1937-8-6 1961 Inyo Big Pine Comment
  CLARK-A1528-2292  Arabis pulchra John C. Roos 1952-7-27 5830 Inyo White Mountains 3169 Comment
  CLARK-A1528-2331  Lesquerella kingii John C. Roos 1952-7-26 5821 Inyo White Mountains 3047 Comment
  CLARK-A1528-2333  Lesquerella kingii John C. Roos 1947-7-12 2835 Inyo Panamint Range 2346 Comment
  CLARK-A1528-2346  Streptanthus cordatus John C. Roos 1947-7-11 2841 Inyo Panamint Mountains 2499 Comment
  CLARK-A1528-2351  Thysanocarpus curvipes John C. Roos 1961-5-6 Inyo Coso Mountains 1188 Comment
  CLARK-A1528-2379  Cleome sparsifolia John C. Roos, Lucille Roos 1954-6-28 6176 Inyo Eureka Valley 929 Comment
  CLARK-A1528-2389  Oxystylis lutea John C. Roos 1965-7-11 Inyo Eagle Mountain 609 Comment
  CLARK-A1528-2439  Arenaria aculeata John C. Roos, Lucille Roos 1951-8-8 5118 Inyo White Mountains 2956 Comment
  CLARK-A1528-2459  Scopulophila rixfordii John C. Roos 1955-4-8 6313 Inyo Last Chance Range 1219 Comment
  CLARK-A1528-2492  Forsellesia nevadensis John C. Roos 1955-4-11 6321 Inyo 1706 Comment
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Oct 3 2014
  CLARK-A1528-2497  Atriplex parryi John C. Roos 1965-7-11 Inyo Amargosa River Comment
  CLARK-A1528-2522  Atriplex hymenelytra John C. Roos 1965-7-11 Inyo Death Valley Comment
  CLARK-A1528-2566  Chenopodium leptophyllum John C. Roos 1954-6-26 6161 Inyo Inyo Mountains 2621 Comment
  CLARK-A1528-2574  Chenopodium rubrum John C. Roos 1954-11-23 6258 Inyo Saline Valley 323 Comment
  CLARK-A1528-2575  Chenopodium rubrum John C. Roos 1954-8-15 6223 Inyo Saline Valley 323 Comment
  CLARK-A1528-2582  Kochia americana John C. Roos, Lucille Roos 1947-7-15 2866 Inyo Inyo Mountains 1523 Comment
  CLARK-A1528-2595  Nitrophila occidentalis John C. Roos 1954-7-18 6192 Inyo Death Valley Junction 624 Comment
  CLARK-A1528-2596  Nitrophila occidentalis John C. Roos 1965-7-11 Inyo Death Valley Junction Comment
  CLARK-A1528-2600  Suaeda depressa var. erecta John C. Roos 1954-7-18 6193 Inyo Amargosa Desert 624 Comment
  CLARK-A1528-2700  Euphorbia fendleri John C. Roos 1951-8-12 5193 Inyo White Mountains 2194 Comment
  CLARK-A1528-2729  Astragalus calycosus John C. Roos 1952-7-26 5822 Inyo White Mountains 3047 Comment
  CLARK-A1528-2731  Astragalus calycosus John C. Roos 1947-7-11 2903 Inyo Panamint Mountains 2499 Comment
  CLARK-A1528-2744  Astragalus gilmanii John C. Roos 1948-7-4 3898 Inyo Panamint Mountains 2468 Comment
  CLARK-A1528-2747  Astragalus kentrophyta subsp. implexus John C. Roos 1937-8-5 1034 Inyo White Mountains Comment
  CLARK-A1528-2754  Astragalus oophorus John C. Roos 1952-7-29 5857 Inyo White Mountains 3078 Comment
  CLARK-A1528-2770  Dalea polyadenia John C. Roos 1947-7-15 2826 Inyo Darwin Mesa 1523 Comment
  CLARK-A1528-2943  Centaurium exaltatum John C. Roos, Alfred R. Roos 1950-8-7 4927 Inyo Tecopa 426 Comment
  CLARK-A1528-2954  Swertia perennis John C. Roos 1965-8-9 Inyo Sierra Nevada Comment
  CLARK-A1528-2955  Frasera puberulenta John C. Roos 1967-8-5 Inyo Inyo Mountains Comment
  CLARK-A1528-2956  Frasera puberulenta John C. Roos, Lucille Roos 1952-7-26 5824 Inyo White Mountains Comment
  CLARK-A1528-2994  Phacelia calthifolia John C. Roos, Lucille Roos 1954-3-27 6050 Inyo Death Valley 243 Comment
  CLARK-A1528-3014  Phacelia perityloides John C. Roos, Lucille Roos 1954-5-8 6101 Inyo Grapevine Mountains 1219 Comment
  CLARK-A1528-3015  Phacelia perityloides John C. Roos 1955-4-6 6287 Inyo Inyo Mountains 609 Comment
  CLARK-A1528-3156  Eucnide urens John C. Roos 1965-7-9 Inyo Trona Comment
  CLARK-A1528-3157  Eucnide urens John C. Roos 1955-4-6 6288 Inyo Craig Canyon 487 Comment
  CLARK-A1528-3838  Primula suffrutescens John C. Roos 1965-8-9 Inyo Independence Creek Comment
  CLARK-A1528-3982  Cercocarpus ledifolius John C. Roos 1955-7-21 6479 Inyo Last Chance Mountains 2377 Comment
  CLARK-A1528-3984  Chamaebatiaria millefolium John C. Roos 1965-8-9 Inyo Independence Creek 2682 Comment
  CLARK-A1528-4009  Cowania mexicana var. stansburyana John C. Roos 1965-7-11 Inyo Panamint Range 2468 Comment
  CLARK-A1528-4966  Oxystylis lutea John C. Roos 1938-4-18 1635 Inyo Comment
  CLARK-A1528-4968  Brickellia multiflora John C. Roos 1947-7-15 2829 Inyo Panamint Mountains Comment
  CLARK-A1528-4969  Stephanomeria pauciflora John C. Roos 1947-7-15 2828 Inyo Panamint Mountains 914 Comment
  CLARK-A1528-4970  Eriogonum deflexum John C. Roos 1947-7-15 2823 Inyo Darwin Mesa 1523 Comment
  CLARK-A1528-4974  Aster frondosus John C. Roos 1955-8-28 6564 Inyo Owens Lake 1081 Comment
  CLARK-A1528-4989  Stanleya elata John C. Roos 1965-6-11 Inyo Panamint Mountains Comment
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Apr 25 2019
  CLARK-A1528-5094  Astragalus kentrophyta subsp. implexus John C. Roos 1952-7-26 5820 Inyo White Mountains 3047 Comment
  CLARK-A1528-5095  Astragalus kentrophyta subsp. implexus John C. Roos 1951-8-9 5124 Inyo White Mountains 3169 Comment
  CLARK-A1528-5099  Astragalus calycosus John C. Roos 1967-8-5 Inyo Inyo Mountains 3200 Comment
  CLARK-A1528-5132  Scirpus robustus John C. Roos 1954-5-7 6077 Inyo 624 Comment
  CLARK-A1528-5323  Dicoria canescens subsp. clarkiae John C. Roos, Lucille Roos 1954-11-24 6266 Inyo Eureka Valley 929 Comment
  CLARK-A1528-5324  Dicoria canescens subsp. clarkiae John C. Roos, Lucille Roos 1954-11-24 6266 Inyo Eureka Valley 929 Comment
  CLARK-A1528-5345  Tanacetum canum John C. Roos 1947-9-19 2797 Inyo Panamint Mountains 3474 Comment
  CLARK-A1528-5397  Atriplex phyllostegia John C. Roos 1954-5-6 6074 Inyo Amargosa River 518 Comment
  CLARK-A1528-5423  Suaeda depressa var. erecta John C. Roos 1954-7-18 6193 Inyo Amargosa Desert 624 Comment
  CLARK-A1528-5448  Artemisia nova John C. Roos 1947-9-20 2810 Inyo Panamint Mountains 2133 Comment
  CLARK-A1528-5455  Brickellia multiflora John C. Roos 1954-11-24 6264 Inyo Inyo Mountains 548 Comment
  CLARK-A1528-5465  Chrysothamnus viscidiflorus subsp. puberulus John C. Roos 1954-8-14 6218 Inyo Inyo Mountains 2377 Comment
  CLARK-A1528-5468  Dicoria canescens subsp. clarkiae John C. Roos, Lucille Roos 1954-11-24 6266 Inyo Eureka Valley 929 Comment
  CLARK-A1528-5471  Dicoria canescens subsp. clarkiae John C. Roos, Lucille Roos 1954-11-24 6266 Inyo Eureka Valley 929 Comment
  CLARK-A1528-5472  Dicoria canescens subsp. clarkiae John C. Roos, Philip A. Munz 1954-9-18 20157 Inyo Eureka Valley 929 Comment
  CLARK-A1528-5515  Dicoria canescens subsp. clarkiae John C. Roos, Philip A. Munz 1954-9-18 20157 Inyo Eureka Valley 929 Comment
  CLARK-A1528-5520  Helianthus annuus subsp. jaegeri John C. Roos 1950-4-7 4728 Inyo Tecopa 426 Comment
  CLARK-A1528-5593  Tidestromia oblongifolia John C. Roos 1948-7-4 3909 Inyo Panamint Valley Comment
  CLARK-A1528-5601  Haplopappus macronema John C. Roos 1959-8-20 Inyo White Mountains 3047 Comment
  CLARK-A1528-5602  Haplopappus macronema John C. Roos 1959-8-20 Inyo White Mountains 3047 Comment
  HSC78591  Mentzelia albicaulis J. C. Roos 1947-4-18 3455 Inyo Shoshone. 457 Comment
  HSC78595  Eriogonum brachypodum J. C. Roos 1965-7-10 Inyo S slope trail to Telescope Peak, Panamint Mountains 2744 Comment
  LA102181  Phragmites australis John C. Roos; 1950-8-7 sn Inyo Mojave Desert, China ranch on the Amargosa River S of Tecopa 426 Comment
  LA102203  Poa secunda John C. Roos; Alfred R. Roos 1954-6-11 6127 Inyo Panamint Mountains, head of Wild Rose Canyon near Mahogany Flats 2468 Comment
  LA102241  Ribes velutinum John C. Roos; 1965-7-10 sn Inyo Panamint Mountains, Telescope Peak Comment
  LA102356  Poa nevadensis John C. Roos; Alfred R. Roos 1953-8-11 6000 Inyo Inyo Mountains, pass 3 mi. E of Blue Bell Mine on trail to Side Hill Spring 3078 Comment
  LA102391  Chrysothamnus viscidiflorus subsp. puberulus J. C. Roos; 1948-9-7 4017 Inyo 10 mi. NW of Bishop 1261 Comment
  LA210531  Cymopterus aboriginum John C. Roos; Lucille Roos 1954-5-8 6100 Inyo crest of Grapevine Mts, above Leadfield 1584 Comment
  NY170314  Halimolobos diffusa var. jaegeri J. C. Roos 1953-8-14 6024 Inyo Al Rose Canyon, Inyo Mts. 2499.4 Comment
  NY404462  Oxytheca dendroidea subsp. dendroidea J. C. Roos 1954-6-27 6166 Inyo Flats 1 1/2 miles east of Andrews Mountain, Inyo Mountains 2545.1 Comment
  NY593823  Penstemon floridus var. austinii J. C. Roos 1954-6-26 6163 Inyo Upper Mazourka Canyon, Inyo Mountains. 2438.4 Comment
  NY999424  Gayophytum decipiens J. C. Roos 1953-8-11 5999 Inyo 2½ miles east of Blue Bell Mine, Inyo Mountains 2987 Comment
  OBI30461  Delphinium glaucum J. C. Roos 1965-8-9 s.n. Inyo Onion Valley 2743 Comment
  OBI35956  Orobanche fasciculata J. C. Roos 1965-7-10 s.n. Inyo Aracane Meadows, near Telescope Peak, Panamint Mts Comment
  POM251776  Ruppia cirrhosa J. C. Roos 1938-4-17 17 Inyo Springs above Furnace Creek, Death Valley. Comment
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Oct 30 2014
  POM251783  Galium stellatum J. C. Roos 1938-4-15 18 Inyo Darwin Falls. Comment
  POM261192  Silene verecunda subsp. andersonii J. C. Roos 1941-8-17 59 Inyo Panamint Mountains 2439 Comment
  POM261206  Penstemon rostriflorus J. C. Roos 1941-8-17 65 Inyo Wildrose Canyon, Panamint Mts. 2378 Comment
  POM261209  Oenothera cespitosa subsp. marginata J. C. Roos 1941-8-17 25 Inyo Panamint Mountains: 3049 Comment
  POM261402  Chaenactis douglasii var. douglasii J. C. Roos 1941-08 51 Inyo Panamint Mts 3201 Comment
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Jun 20 2012
  POM261414  Galium argense J. C. Roos 1941-8-17 63 Inyo Panamint Mts. 2409 Comment
  POM265654  Cleome lutea J. C. Roos 1937-8-4 2347 Inyo Independence. Comment
  POM265655  Cleomella plocasperma J. C. Roos 1937-8-6 1960 Inyo Big Pine. Comment
  POM265656  Cleome lutea J. C. Roos 1937-8-6 1959 Inyo Big Pine. Comment
  POM265657  Cleome sparsifolia J. C. Roos 1937-8-4 1953 Inyo east side of Owens Lake. Comment
  POM265715  Endolepis covillei J. C. Roos 1937-8-3 2161 Inyo Little Lake, Owens Valley. Comment
  POM266315  Hulsea algida J. C. Roos 1937-8-8 1019 Inyo Slope of Mt. Whitney. Comment
  POM274212  Artemisia tridentata J. C. Roos 1947-9-19 2801 Inyo Panamint Mountain Range, Aracane Meadows 3049 Comment
  POM274215  Chrysothamnus nauseosus subsp. consimilis J. C. Roos 1947-9-19 2804 Inyo E face Baldy Peak, Panamint Mts Comment
  POM274222  Achnatherum hymenoides J. C. Roos 1947-7-14 2854 Inyo north slope Baldy Peak, Panamint Mts. 2621 Comment
  POM274225  Pyrrocoma sessiliflora J. C. Roos 1947-9-20 2815 Inyo South end Owen Lake at Olancha Comment
  POM274229  Brickellia multiflora J. C. Roos 1947-7-15 2829 Inyo Imigrant Springs, Panamint Mts. Comment
  POM274234  Arenaria congesta var. subcongesta J. C. Roos 1947-7-11 2844 Inyo Mahogany Flats, Panamint mtns. 2500 Comment
  RSA0002023  Stanleya pinnata var. inyoensis J. C. Roos, L. Roos 1954-6-28 6177 Inyo Southeast end Eureka Valley. 915 Comment
  RSA0002412  Nitrophila mohavensis J. C. Roos, A. Roos 1954-6-13 6140 Inyo Open flats of Amargosa Desert 3 mi. NE of Death Valley Junction along Ash Meadow road. 625 Comment
  RSA0002413  Nitrophila mohavensis J. C. Roos, A. Roos, Suzanne O., Walter Wisura 1954-6-13 6140 Inyo Open flats of Amargosa Desert 3 miles NE of Death Valley Junction along Ash Meadows road 625 Comment
  RSA0002414  Nitrophila mohavensis J. C. Roos, A. Roos 1954-6-13 6140 Inyo Open flats of Amargosa Desert 3 mi. NE of Death Valley Junction along Ash Meadow road. 625 Comment
  RSA0004074  Nitrophila mohavensis J. C. Roos 1954-7-18 6194 Inyo Amargosa Desert 3 miles NE of Death Valley Junction along Ash Meadows road 625 Comment
  RSA0005751  Galium hypotrichium subsp. tomentellum J. C. Roos 1941-8-17 47 Inyo Telescope Pk., Panamint Mts. (north slope). 3293 Comment
  RSA0006766  Astragalus gilmanii J. C. Roos 1948-7-4 3898 Inyo Mahogany Flats Panamint Mts. Mojave desert. 2468 Comment
  RSA0008801  Astragalus lentiginosus var. micans J. C. Roos 1955-5-13 6354 Inyo Southeast end of Eureka Valley, East of Inyo Mts. 930 Comment
  RSA0010325  Lomatium foeniculaceum subsp. inyoense J. C. Roos, L. Roos 1954-6-24 6148 Inyo Pass at crest of Inyo Mountains near Side Hill Spring, 3 miles east of Badger Flat 3110 Comment
  RSA0010946  Castilleja minor subsp. minor J. C. Roos, A. R. Roos 1955-8-28 6568 Inyo West side Owens Lake 3 miles north of Olancha. 1091 Comment
  RSA0029713  Delphinium polycladon J. C. Roos 1937-8-8 1023 Inyo Lone Pine Canyon 2591 Comment
  RSA0045063  Eremogone macradenia var. macradenia J. C. Roos 1954-5-8 6096 Inyo Grapevine Mountains above Leadfield 1584 Comment
  RSA0046785  Philadelphus microphyllus var. stramineus J. C. Roos 1941-8-17 46 Inyo Baldy Peak, Panamint Mountains. 2744 Comment
  RSA0051244  Rosa woodsii J. C. Roos 1948-7-4 3912 Inyo Thorndykes Spring, Panamint Mtns. Comment
  RSA0051246  Galium hilendiae subsp. carneum John Roos, Lucille Roos 1947-7-14 2855 Inyo North slope Baldy Peak, Panamint Mts. 2560 Comment
  RSA0057702  Eremogone congesta var. subcongesta J. C. Roos 1947-7-11 2844 Inyo Mahogany Flats, Panamint Mts. 2499 Comment
  RSA0057817  Philadelphus microphyllus var. stramineus J. C. Roos, L. Roos 1952-7-28 5843 Inyo Wyman Canyon, White Mountains. 2683 Comment
  RSA0060053  Philadelphus microphyllus var. stramineus J. C. Roos 1965-7-10 s.n. Inyo On the trail to Telescope Peak, near Arcane Meadow, Panamint Mtns. Comment
  RSA0062964  Heuchera rubescens var. alpicola J. C. Roos, L. Roos 1954-6-29 6184 Inyo Inyo Mountains; The Narrows, Marble Canyon. 2180 Comment
  RSA0062965  Heuchera rubescens var. alpicola J. C. Roos 1947-7-14 2850 Inyo North slope Baldy Peak, Panamint Mts. 2652 Comment
  RSA0062966  Heuchera rubescens var. alpicola J. C. Roos 1941-8-17 49 Inyo Panamint Mountains. 3201 Comment
  RSA0063293  Heuchera rubescens var. alpicola J. C. Roos, A. R. Roos 1953-8-13 6021 Inyo East tributary of Mazourka Canyon, Inyo Mountains. 2500 Comment
  RSA0076362  Sedum lanceolatum J. C. Roos 1937-8-8 342 Inyo Lone Pine Canyon. 2744 Comment
  RSA0076468  Lomatium parryi John C. Roos 1947-7-11 2904 Inyo Mahogany Flats, Panamint Mts. 2499 Comment
  RSA0081038  Orobanche fasciculata John C. Roos 1947-7-12 2880 Inyo Upper Wildrose Canyon, Panamint Mountains. 2377 Comment
  RSA0103491  Eriastrum wilcoxii J. C. Roos 1955-7-23 6508 Inyo Soldier Flat at east base Waucoba Mountain, Inyo Mountains. 2195 Comment
  RSA0105143  Lomatium foeniculaceum subsp. inyoense J. C. Roos, A. R. Roos 1953-8-9 5964 Inyo upper Tamarack Canyon, Inyo Mts. 3110 Comment
  RSA0105144  Lomatium foeniculaceum subsp. inyoense John Roos, Lucille Roos 1954-6-24 6149 Inyo Crest of Inyo Mts. 3 miles east of Badger Flat in headwaters of Marble Canyon watershed. 3170 Comment
  RSA0110967  Arabis microphylla J. C. Roos, A. R. Roos 1953-8-9 5962 Inyo Inyo Mountains near head of Tamarack Canyon. 3078 Comment
  RSA0120060  Eriastrum eremicum subsp. eremicum J. C. Roos 1947-7-15 2825 Inyo Darwin Mesa. Comment
  RSA0124788  Eriastrum wilcoxii J. C. Roos, A. R. Roos 1954-6-12 6135 Inyo North face Wild Rose Peak at head of Trail canyon. 2683 Comment
  RSA0124789  Eriastrum wilcoxii J. C. Roos, L. Roos 1954-6-25 6152 Inyo Inyo Mountains: East side Badger Flat. 2652 Comment
  RSA0129526  Arabis inyoensis J. C. Roos, Lucille Roos 1952-7-27 5830 Inyo Ridge at S. E. rim Reed Flat, White Mountains. 3171 Comment
  RSA0129930  Arabis lemmonii J. C. Roos 1937-8-8 2191 Inyo Lone Pine Canyon. 2744 Comment
  RSA104136  Forsellesia nevadensis J. C. Roos, L. Roos 1955-4-11 6321 Inyo E side of Inyo Mts. near Loretoo Mine Comment
  RSA104824  Arenaria macradenia var. macradenia J. C. Roos 1955-5-13 6355 Inyo West base Last Chance Mountains, east of Eureka Valley sand dunes 1220 Comment
  RSA104837  Boerhavia annulata J. C. Roos 1955-5-13 6350 Inyo West base Last Chance Mountains northeast of Eureka Valley sand dunes. 1159 Comment
  RSA104839  Dicoria clarkiae J. C. Roos 1955-5-13 6359 Inyo SE end of Eureka Valley. 945 Comment
  RSA105009  Chamaesyce fendleri J. C. Roos 1955-5-16 6383 Inyo narrow canyon along Loretto road 1.5 miles southwest of Loretto Mine 1676 Comment
  RSA105010  Galium multiflorum J. C. Roos 1955-5-16 6385 Inyo narrow canyon along Loretto road 1.5 miles southwest of Loretto Mine 1677 Comment
  RSA105013  Penstemon monoensis J. C. Roos 1955-5-16 6389 Inyo Waucoba road 7 mi E of Big Pine, W side Inyo Mtns. 1616 Comment
  RSA105014  Stanleya pinnata J. C. Roos 1955-5-16 6391 Inyo Waucoba road, 6 miles east of Big Pine, west side Inyo Mtns. 1494 Comment
  RSA105020  Cheilanthes feei J. C. Roos 1955-5-16 6386 Inyo narrow canyon along Loretto road 1.5 miles southwest of Loretto Mine 1676 Comment
  RSA105024  Gilia scopulorum J. C. Roos 1955-5-13 6328 Inyo West base Last Chance Mountains east of Eureka Valley sand dunes. 1159 Comment
  RSA105031  Erigeron aphanactis var. aphanactis J. C. Roos 1955-5-15 6380 Inyo Willow Creek. 1585 Comment
  RSA105032  Mimulus bigelovii var. cuspidatus J. C. Roos 1955-5-13 6326 Inyo West base Last Chance Mountains east of Eureka Valley sand dunes. 1159 Comment
  RSA105035  Lepidium lasiocarpum var. lasiocarpum J. C. Roos 1955-5-13 6333 Inyo West base Last Chance Mountains, east of Eureka Valley sand dunes 1220 Comment
  RSA105037  Aliciella latifolia J. C. Roos 1955-5-13 6334 Inyo West base Last Chance Mountains, east of Eureka Valley sand dunes. 1220 Comment
  RSA155654  Eriogonum esmeraldense J. C. Roos, A. R. Roos 1955-8-26 6549 Inyo East side of saddle between Sqauw Peak and Waucoba Mt., Inyo Mountains. Comment
  RSA155658  Eriogonum kearneyi subsp. monoense J. C. Roos, A. R. Roos 1955-8-25 6545 Inyo Last Chance Mountains, 0.1 mile NW of boundary marker # 80, east of Willow Spring. 2073 Comment
  RSA155669  Eriogonum ovalifolium J. C. Roos 1955-6-17 6405 Inyo 2 miles NE of Willow Spring, Last Chance Mountains. 2012 Comment
  RSA155696  Stanleya pinnata J. C. Roos 1955-6-21 6466 Inyo Willow Creek, W side Last Chance Mtns 1585 Comment
  RSA155702  Solanum triflorum J. C. Roos, E. C. Jaeger 1955-7-21 6495 Inyo Willow Spring, Last Chance Mountains. 1829 Comment
  RSA155704  Penstemon rostriflorus J. C. Roos 1955-7-21 6493 Inyo Last Chance Mountains 1miles south of Willow Spring 2073 Comment
  RSA155707  Eriogonum palmerianum J. C. Roos 1955-7-21 6490 Inyo Rides at crest of Last Chance Mountains 2.5 miles south of Willow Spring. 2348 Comment
  RSA155708  Eriogonum deflexum var. baratum J. C. Roos 1955-7-21 6489 Inyo Rides at crest of Last Chance Mountains 2.5 miles south of Willow Spring. 2348 Comment
  RSA155714  Cordylanthus kingii subsp. helleri J. C. Roos, A. R. Roos 1955-8-24 6536 Inyo Last Chance Mts. 1 mile south of Willoq Spring. Comment
  RSA155718  Aliciella lottiae J. C. Roos 1955-6-19 6430 Inyo One mile SE of Willow Spring, Last Chance Mountains. 1951 Comment
  RSA155722  Astragalus calycosus J. C. Roos 1955-6-19 6444 Inyo Summit ridge Last Chance Mtns., 2 miles W of Last Chance Spring. 2530 Comment
  RSA155727  Gilia ophthalmoides J. C. Roos 1955-6-19 6438 Inyo Last Chance Mountains, 3 miles south of Willow Spring. 2287 Comment
  RSA155733  Cleome lutea J. C. Roos 1955-6-21 6464 Inyo Willow Spring, Last Chance Mountains. 1829 Comment
  RSA155738  Lotus oblongifolius J. C. Roos, A. R. Roos 1955-8-28 6566 Inyo On the West side of Owens Lake, 3 miles North of Olancha 1091 Comment
  RSA155742  Cordylanthus maritimus subsp. canescens J. C. Roos, A. R. Roos 1955-8-28 6569 Inyo West side Owens Lake 3 miles north of Olancha 1085 Comment
  RSA155747  Achnatherum pinetorum J. C. Roos 1955-7-21 6480 Inyo Whitetop Peak, summit Last Chance Mountains 2500 Comment
  RSA155751  Eriogonum kearneyi subsp. monoense J. C. Roos 1955-7-20 6476 Inyo 0.1 mile NW of boundary marker # 80, Last Chance Mountains 2 miles east of Willow Spring. 2073 Comment
  RSA155752  Cordylanthus kingii subsp. helleri J. C. Roos 1955-7-20 6475 Inyo Last Chance Mountains 2 miles east of Willow Spring, at boundary marker # 80. 2134 Comment
  RSA155755  Aster frondosus J. C. Roos 1955-8-28 6564 Inyo On the West side of Owens Lake, 3 miles North of Olancha 1082 Comment
  RSA155756  Cuscuta indecora J. C. Roos, A. R. Roos 1955-8-28 6563 Inyo On the West side of Owens Lake, 3 miles North of Olancha 1091 Comment
  RSA155759  X Stiporyzopsis bloomeri J. C. Roos, L. Roos 1955-8-26 6559 Inyo Waucoba Mt., Inyo Mts. 3049 Comment
  RSA157082  Townsendia scapigera J. C. Roos 1955-6-19 6436 Inyo One mile south of Willow Springs, Last Chance Mountains 2287 Comment
  RSA157100  Mimulus bigelovii var. cuspidatus J. C. Roos, A. R. Roos 1955-8-23 6529 Inyo West base Last Chance Mts. east of Eureka Valley sand dunes. 1159 Comment
  RSA158116  Eriogonum kearneyi subsp. monoense J. C. Roos, E. C. Jaeger 1955-7-22 6503 Inyo Solidier Flat, east base Waucoba Mountain, Inyo Mountains. 2195 Comment
  RSA158118  Gilia ophthalmoides J. C. Roos 1955-7-22 6501 Inyo Crest of Inyo Mountains at jct. of Eureka Valley and Saline Valley roads 2241 Comment
  RSA158999  Sesuvium verrucosum J. C. Roos 1955-7-24 6524 Inyo 0.5 mile east of Olancha at south end Owens Lake. 1098 Comment
  RSA301479  Bacopa eisenii J. C. Roos 1937-8-4 1962 Inyo Owens River, near Lone Pine. Comment
  RSA309651  Arenaria macradenia J. C. Roos 1965-7-10 s.n. Inyo Mahogany Flats, Inyo Mountains. Comment
  RSA40536  Astragalus calycosus var. calycosus J. C. Roos 1947-7-11 2903 Inyo Mahogany Flats, Panamint mtns. 2500 Comment
  RSA40538  Erigeron clokeyi J. C. Roos 1947-7-11 2905 Inyo Mahogany Flats. 2470 Comment
  RSA40542  Eriogonum panamintense J. C. Roos 1947-7-15 2870 Inyo Wildrose Canyon at Kilns. Panamint Mountain Range. 2134 Comment
  RSA40572  Astragalus purshii var. tinctus J. C. Roos 1947-4-20 s.n Inyo Wildrose Canyon, Panamint Mountains. 1585 Comment
  RSA40575  Cymopterus aboriginum J. C. Roos 1947-4-20 3522 Inyo Wildrose Canyon, Panamint Mountains. 1585 Comment
  RSA40584  Linanthus pungens J. C. Roos 1947-7-13 2891 Inyo Baldy Peak, PanamintMountains Comment
  RSA40588  Aquilegia shockleyi J. C. Roos 1947-7-12 2899 Inyo Thorndykes, Wildrose Canyon, Panamint Mounains. 2165 Comment
  RSA40613  Eriogonum rixfordii J. C. Roos 1947-1-26 s.n. Inyo Death Valley: below Emigrant Spring, Emigrant Canyon. 976 Comment
  RSA431197  Erigeron divergens J. C. Roos 1955-4-7 6302 Inyo Saline Valley, mouth of Hunter Canyon. 351 Comment
  RSA44254  Triglochin maritima J. C. Roos, R. Weatherby 1949-9-3 3566 Inyo Tecopa. 427 Comment
  RSA44873  Mentzelia dispersa J. C. Roos 1948-7-4 3897 Inyo East slope of Baldy Peak, Panamint Mts., Mojave Desert. 2561 Comment
  RSA44896  Penstemon monoensis J. C. Roos 1947-4-20 3585 Inyo Darwin Mesa. 1524 Comment
  RSA44897  Erigeron aphanactis var. aphanactis J. C. Roos 1947-4-20 3586 Inyo Darwin Mesa, Mojave Desert. 1524 Comment
  RSA44899  Lupinus argenteus J. C. Roos 1947-7-13 2874 Inyo Telescope Peak, Panamint Moutains. 3293 Comment
  RSA450248  Galium stellatum J. C. Roos, L. Roos 1955-4-6 6293 Inyo Near the mouth of Craig Canyon, on the east base of the Inyo Mtns, Saline Valley, 503 Comment
  RSA450740  Artemisia ludoviciana subsp. ludoviciana J. C. Roos 1961-9-2 1981 Inyo Canyon below Side Hill Spring, Inyo Mountains 2805 Comment
  RSA45490  Chrysothamnus viscidiflorus var. puberulus J. C. Roos 1948-9-7 4017 Inyo 10 miles NW of Bishop Comment
  RSA47548  Helianthus annuus subsp. jaegeri J. C. Roos, R. Weatherby 1949-9-3 3568 Inyo Tecopa. Ted Chamberlin Rancho Los Potreros, Los Olivos, off Foxen Canyon road. 427 Comment
  RSA658867  Boerhavia annulata J. C. Roos 1965-7-9 s.n. Inyo Wildrose Canyon, Panamint Mts. Comment
  RSA659467  Gilia ophthalmoides J. C. Roos, L. Roos 1954-5-9 6110 Inyo Mahogany Flat, Panamint Mountains. 2470 Comment
  RSA659667  Cordylanthus maritimus subsp. canescens J. C. Roos 1947-7-15 2820 Inyo Olancha. Comment
  RSA659668  Astragalus nuttallianus var. imperfectus J. C. Roos, L. Roos 1954-5-9 6114 Inyo Wild Rose Canyon, Panamint Mtns. 1951 Comment
  RSA662415  Dicoria canescens subsp. clarkiae J. C. Roos, L. Roos 1954-11-24 3050 Inyo SE end of Eureka Valley. 930 Comment
  RSA664188  Chenopodium rubrum J. C. Roos 1965-9-18 s.n. Inyo Inyo Mountains; Darwin Mesa. Comment
  RSA71705  Eriogonum ovalifolium var. ovalifolium J. C. Roos 1952-7-31 5877 Inyo 1 mile south of Reed Flat, White Mountains. 2835 Comment
  RSA71706  Eriogonum ovalifolium J. C. Roos, Lucille Roos 1952-7-31 5877 Inyo 1 mile south of Reed Flat, White Mountains. 2835 Comment
  RSA71719  Lewisia rediviva var. minor J. C. Roos, L. Roos 1950-7-27 5825 Inyo West side Reed Flat, White Mountains. 3079 Comment
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  RSA71750  Castilleja linariifolia var. omnipubescens J. C. Roos, Lucille Roos 1952-7-27 5836 Inyo Common on open brushy slopes with Crepis intermedia, Artemisia nova, etc. Reed Flat, White Mts. 3140 Comment
  RSA71773  Eriogonum rupinum J. C. Roos, L. Roos 1951-8-8 5119 Inyo Locally common on rocky west slope with Arenaria aculeata, Holodiscus dumosus, etc., ridge 1 mi. south of Reed Flat, White Mts. 2957 Comment
  RSA71774  Arenaria kingii subsp. compacta J. C. Roos, L. Roos 1951-8-8 5118 Inyo Ridge 1 mile south of Reed Flat, White Mountains. Comment
  RSA71778  Penstemon floridus J. C. Roos, L. Roos 1951-8-7 5084 Inyo West side Westgard Pass, White Mts. 2134 Comment
  RSA71779  Penstemon speciosus J. C. Roos, L. Roos 1951-8-7 5085 Inyo 3 mi. NW of Cedar Flat, White Mts. 2591 Comment
  RSA72076  Helianthus annuus subsp. jaegeri J. C. Roos 1951-8-12 5195 Inyo Lone Pine. 1143 Comment
  RSA72079  Chamaesyce fendleri J. C. Roos, L. Roos 1951-8-12 5193 Inyo Westgard Pass, White Mountains. 2195 Comment
  RSA74571  Phlox stansburyi subsp. superba J. C. Roos, Lucille Roos 1952-7-27 5837 Inyo White Mountains, Reed Flat. 3079 Comment
  RSA74599  Eriogonum caespitosum J. C. Roos, Lucille Roos 1952-7-27 5827 Inyo West rim of Reed Flat, White Mtns. 3110 Comment
  RSA74604  Helianthus annuus subsp. jaegeri J. C. Roos, L. Roos 1951-8-12 5195 Inyo Lone Pine. 1143 Comment
  RSA79487  Streptanthus cordatus J. C. Roos 1953-8-11 6007 Inyo 3 miles E of Bedger flats 3049 Comment
  RSA79499  Scrophularia californica var. desertorum J. C. Roos, A. R. Roos 1953-8-14 6026 Inyo Al Rose Canyon, Inyo Mts. 2500 Comment
  RSA79501  Halimolobos jaegeri J. C. Roos 1953-8-14 6024 Inyo Al Rose Canyon, Inyo Mts. 2500 Comment
  RSA79549  Gayophytum decipiens J. C. Roos, A. R. Roos 1953-8-11 5999 Inyo 2.5 miles east of Blue Bell Mine, Inyo Mts. 2988 Comment
  RSA79550  Leucelene ericoides J. C. Roos 1953-8-11 5986 Inyo East of Badger Flat 2866 Comment
  RSA79551  Crepis intermedia J. C. Roos 1953-8-11 5998 Inyo 2.5 miles east of Blue Bell Mine, Inyo Mts. 2988 Comment
  RSA79553  Arenaria kingii subsp. compacta J. C. Roos, A. R. Roos 1953-8-11 5997 Inyo 2.5 miles east of Blue Bell Mine, Inyo Mts. 2988 Comment
  RSA85145  Cymopterus aboriginum J. C. Roos, Lucille Roos 1954-3-27 6054 Inyo Summit of Grapevine Mts. above Leadfield. 1584 Comment
  RSA85152  Phacelia calthifolia J. C. Roos, L. Roos 1954-3-27 6050 Inyo Mud Canyon, Death Valley. 244 Comment
  RSA89029  Nitrophila occidentalis J. C. Roos 1954-7-18 6192 Inyo Amargosa Desert 2.5 miles NE of Death Valley Junction along Ash Meadows road 625 Comment
  RSA89042  Dalea searlsiae J. C. Roos, L. Roos 1954-6-28 6167 Inyo 3 miles NE of Andrews Mtn. 2317 Comment
  RSA89047  Oxytheca dendroidea subsp. dendroidea J. C. Roos, A. R. Roos 1954-8-14 6212 Inyo Flats 1.5 miles east of Andrews Mountain, Inyo Mountains. 2546 Comment
  RSA90548  Boerhavia annulata J. C. Roos, L. Roos 1954-11-24 6261 Inyo Mouth of Beveridge Canyon, east base of Inyo Mts, Saline Valley Comment
  RSA90549  Dichanthelium acuminatum var. fasciculatum J. C. Roos, L. Roos 1954-11-24 6262 Inyo Mouth of Beveridge Canyon, east base of Inyo Mts, Saline Valley Comment
  RSA90550  Chrysothamnus albidus J. C. Roos, L. Roos 1954-11-23 6260 Inyo 1.4 miles south of Lower Warm Spring, Saline Valley; 381 Comment
  RSA90551  Dicoria clarkiae J. C. Roos 1954-11-24 6266 Inyo SE end of Eureka Valley. 930 Comment
  RSA92059  Eriogonum intrafractum J. C. Roos, Roos 1954-5-8 6104 Inyo Titus Canyon, Grapevine Mountains 1280 Comment
  RSA92061  Pleuraphis jamesii J. C. Roos 1954-5-8 6095 Inyo Grapevine Mountains above Leadfield 1584 Comment
  RSA92062  Hecastocleis shockleyi J. C. Roos, L. Roos 1954-5-8 6094 Inyo Crest of Grapevine Mts., Leadfield 1646 Comment
  RSA92068  Triglochin maritima J. C. Roos, L. Roos 1954-5-7 6078 Inyo Amargosa Desert 3 miles NE of Death Valley Junction, along Ash Meadows road. 625 Comment
  RSA92071  Endolepis covillei J. C. Roos, L. Roos 1954-5-6 6074 Inyo Amargosa river bottom 4 mile north of Shoshone. 518 Comment
  RSA92072  Phacelia ivesiana J. C. Roos, L. Roos 1954-5-6 6073 Inyo Amargosa river bottom 4 mile north of Shoshone. 518 Comment
  RSA92073  Oxystylis lutea J. C. Roos, L. Roos 1954-5-6 6072 Inyo Amargosa river bottom 4 mile north of Shoshone. 518 Comment
  RSA92082  Melica stricta J. C. Roos 1954-6-25 6154 Inyo Inyo Mountains; Badger Flat Comment
  RSA92156  Cryptantha virginensis J. C. Roos, A. Roos 1954-6-12 6137 Inyo Wild Rose Peak, Panamint Mtns. 2759 Comment
  RSA92157  Achnatherum pinetorum J. C. Roos 1954-6-12 6136 Inyo North face Wild Rose Peak at head of Trail canyon. 2683 Comment
  RSA92159  Lupinus argenteus J. C. Roos 1954-6-12 6133 Inyo East slope Wild Rose Peak, Panamint Mountains Comment
  RSA92167  Petalonyx nitidus J. C. Roos, L. Roos 1954-6-28 6169 Inyo Loretto road, W side Eureka Valley, Inyo Mts 1677 Comment
  RSA92168  Oxytheca dendroidea subsp. dendroidea J. C. Roos, Lucille Roos 1954-6-27 6166 Inyo 1.5 miles east of Andrews Mountain, Inyo Mountains. Comment
  RSA92172  Hesperostipa comata subsp. comata J. C. Roos, L. Roos 1955-6-26 6162 Inyo Mazourka Canyon at SE end of Badger Flat, Inyo Mountains 2622 Comment
  RSA92173  Chenopodium leptophyllum J. C. Roos, L. Roos 1954-6-26 6161 Inyo Inyo Mountains; Mazourka Canyon, at SE end Badger Flat 2622 Comment
  RSA92174  Cercocarpus intricatus J. C. Roos, L. Roos 1954-6-26 6157 Inyo Tamarack Canyon, Inyo Mountains 2744 Comment
  RSA92175  Cryptantha circumscissa J. C. Roos, A. Roos 1954-6-26 6156 Inyo Mouth of Tamarack Canyon 2683 Comment
  RSA92178  Ranunculus cymbalaria var. saximontanus J. C. Roos, L. Roos 1954-6-24 6151 Inyo Side Hill Spring 2866 Comment
  RSA92295  Arctomecon merriamii J. C. Roos, Lucille Roos 1954-5-8 6099 Inyo Grapevine Mountains above Leadfield 1585 Comment
  RSA92296  Acamptopappus shockleyi J. C. Roos, L. Roos 1954-5-8 6098 Inyo Grapevine Mountains above Leadfield 1584 Comment
  RSA92297  Scopulophila rixfordii J. C. Roos, L. Roos 1954-5-8 6097 Inyo Titus Canyon below Leadfield, Grapevine Mts. 1372 Comment
  RSA92333  Jamesia americana var. rosea J. C. Roos 1954-6-29 6186 Inyo The Narrows, Marble Canyon, Inyo Mountains 2195 Comment
  RSA92337  Euphorbia ocellata subsp. ocellata J. C. Roos, L. Roos 1954-6-28 6180 Inyo North base of sand dunes at SE end of Eureka Valley 915 Comment
  RSA92338  Abronia turbinata J. C. Roos, L. Roos 1954-6-28 6179 Inyo North base of sand dunes at SE end of Eureka Valley 915 Comment
  RSA92340  Cleome sparsifolia J. C. Roos, L. Roos 1954-6-28 6176 Inyo Southeast end of Eureka Valley 930 Comment
  RSA92341  Dicoria clarkiae J. C. Roos 1954-6-28 6173 Inyo Southeast end of Eureka Valley 930 Comment
  RSA92431  Argyrochosma jonesii J. C. Roos, Lucille Roos 1954-5-8 6103 Inyo Titus Canyon, Grapevine Mountains 1280 Comment
  RSA92432  Penstemon calcareus J. C. Roos 1954-5-8 6102 Inyo Titus Canyon, Grapevine Mountains 1311 Comment
  RSA92433  Phacelia perityloides J. C. Roos 1954-5-8 6101 Inyo Titus Canyon, Crapevine Mts 1220 Comment
  RSA92464  Calochortus kennedyi var. munzii J. C. Roos, L. Roos 1954-5-9 6115 Inyo Wild Rose Canyon, Panamint Mtns. 1951 Comment
  RSA92467  Aliciella ripleyi J. C. Roos, L. Roos 1954-5-8 6105 Inyo Titus Canyon, Grapevine Mountains 1280 Comment
  RSA92727  Penstemon speciosus J. C. Roos, L. Roos 1954-6-29 6187 Inyo The Narrows, Marble Canyon. 2195 Comment
  RSA92729  Cleome lutea J. C. Roos, L. Roos 1954-6-29 6189 Inyo The Narrows of Marble Canyon, Inyo Mountains 2210 Comment
  RSA92730  Ribes cereum J. C. Roos 1954-6-29 6190 Inyo The Narrows of Marble Canyon, Inyo Mountains 2210 Comment
  RSA92734  Cordylanthus tecopensis J. C. Roos 1954-7-18 6196 Inyo Amargosa Desert 3 miles NE of Death Valley Junction along Ash Meadows Road. 625 Comment
  RSA92753  Artemisia nova J. C. Roos, A. R. Roos 1954-8-14 6210 Inyo 1 1/2 miles east of Andrews Mountain, Inyo Mountains 2561 Comment
  RSA92754  Chrysothamnus viscidiflorus var. puberulus J. C. Roos 1954-8-14 6211 Inyo 1.5 miles E of Andrews Mtn, Inyo Mts. 2561 Comment
  RSA92756  Chrysothamnus viscidiflorus var. puberulus J. C. Roos 1954-8-14 6218 Inyo 2.5 mi. NE of Andrews Mtn. 2378 Comment
  RSA92758  Cleomella brevipes J. C. Roos 1954-8-15 6225 Inyo Lower Warm Spring, Saline Valley. 427 Comment
  RSA92762  Cleomella brevipes J. C. Roos 1954-9-14 6233 Inyo Amargosa Desert 3 miles NE of Death Valley Junction along Ash Meadows road 625 Comment
  RSA92775  Adiantum capillus-veneris J. C. Roos, Lucille Roos 1954-11-25 6263 Inyo mouth of Beveridge Canyon at est base of Inyo Mountains, Saline Valley 609 Comment
  RSA92776  Brickellia multiflora J. C. Roos, L. Roos 1954-11-24 6264 Inyo mouth of Beveridge Canyon at E base of Inyo Mts. Saline Valley. 549 Comment
  RSA93485  Stanleya pinnata var. inyoensis J. C. Roos, L. Roos 1954-6-28 6177 Inyo Base of sand dunes, SE end Eureka Valley. 914 Comment
  RSA96598  Scopulophila rixfordii J. C. Roos 1954-9-19 20181 Inyo Gorge where Loretto Rd. pulls out of Canyon, N Inyo Mts. 1616 Comment
  SD121373  Packera cana John Roos, L. Roos 1954-6-24 6147 Inyo Scattered on dry rocky exposed ridge 1 mile east northeast of Blue Bell Mine, Inyo Mountains. 2865 Comment
  SD52865  Eriogonum deflexum var. baratum John C. Roos 1955-7-21 6489 Inyo ridge at crest of Last Chance Mountains 2.5 miles south of Willow Spring 2347 Comment
  SD52867  Eriogonum baileyi var. baileyi John C. Roos, Alfred R. Roos 1955-7-21 6496 Inyo Willow Spring, Last Chance Mountains 1829 Comment
  SD52868  Cowania mexicana var. stansburyana J. C. Roos 1955-7-21 6492 Inyo 1.0 mile south of Willlow Spring, Last Chance Mountains. 2073 Comment
  SD52869  Cordylanthus kingii subsp. helleri John C. Roos 1955-7-20 6475 Inyo Last Chance mountains 2 miles east of Willow Spring, at boundary marker # 80 2133 Comment
  SD52871  Symphyotrichum eatonii J. C. Roos, A. R. Roos 1955-8-28 6570 Inyo West side Owens Lake, 3 miles north of Olancha. 1095 Comment
  SD52872  Chloropyron maritimum subsp. canescens John C. Roos, Alfred R. Roos 1955-8-28 6569 Inyo west side Owens Lake north of Olancha, along border of moist alkaline swamp 3560 Comment
  SD52874  Chenopodium rubrum JC. Roos, A. R. Roos 1955-8-28 6567 Inyo West side Owens Lake, 3 miles north of Olancha 1082 Comment
  SD52915  Aster frondosus J. C. Roos, A. R. Roos 1955-8-28 6564 Inyo West side Owens Lake, 3 miles north of Olancha. 1079 Comment
  SD52925  Stipa X bloomeri John C. Roos, Alfred R. Roos 1955-8-26 6559 Inyo east slope Waucoba Mt., Inyo Mts. 3048 Comment
  SD52931  Cercocarpus intricatus J. C. Roos 1955-6-19 6452 Inyo Summit ridge of Last Chance Mountains, 2 miles west of Last Chance Spring. 2560 Comment
  SD52932  Astragalus calycosus J. C. Roos 1955-6-19 6444 Inyo Summit ridge Last Chance Mountains, 2.0 miles west of Last Chance Spring. 2550 Comment
  SD52952  Muhlenbergia porteri John C. Roos, A. R. Roos 1955-8-25 6546 Inyo Loretto road, 1 mile west of Loretto Mine, east slope Inyo Mts. 1584 Comment
  SD52998  Stephanomeria exigua subsp. coronaria J. C. Roos, E. C. Jaeger 1955-7-21 6477 Inyo Last Chance Mountains, 2.0 miles northeast of Willow Spring. 2010 Comment
  SD53001  Panicum acuminatum var. fasciculatum John C. Roos 1955-7-23 6511 Inyo mouth of Beveridge Canyon, east base Inyo Mts., Saline Valley 609 Comment
  SD53004  Chenopodium fremontii J. C. Roos 1955-7-23 6515 Inyo Inyo Mountains, 1.5 miles south of Soldier Flat. 1981 Comment
  SD53006  Cordylanthus kingii subsp. helleri John C. Roos, Alfred R. Roos 1955-8-24 6536 Inyo Last Chance Mts. 1 mile south of Willow Spring 2255 Comment
  SD53007  Eriogonum baileyi John C. Roos, Alfred R. Roos 1955-8-24 6535 Inyo Last Chance Mts. 2 miles N.E. of Willow Spring 2012 Comment
  SD53016  Eriogonum ovalifolium var. ovalifolium John C. Roos 1955-6-17 6405 Inyo 2 miles NE of Willow Spring, Last Chance Mountains 2012 Comment
  SEINET10693594 Image available Lomatium inyoense John C. Roos, Lucile Roos 1954-6-24 Roos 6149 Inyo Common on open rocky dry slopes and around pines with Astragalus calycosus, Pinus aristata, Artemisia nova, etc. Crest of Inyo Mts. 3 miles east of Badger Flat in headwaters of Marble Canyon watershed. 3170 Comment
  SEINET10863020  Nitrophila mohavensis John C. Roos, A. R. Roos 1954-1 Inyo Comment
  SEINET13944432 Image available Lomatium foeniculaceum J. C. Roos 1958-1 sn Inyo Near Badger Flat, Inyo mtns. Comment
  SEINET13948784 Image available Aphyllon fasciculatum John C. Roos 1965-1 Inyo Arcane meadows, Near Telescope Peak, Panamint Mountains Comment
  SEINET14198778  Aristida purpurea J. Roos, L. Roos 1954-5-8 6106 Inyo Titus Canyon below Dlare Spring, Grapevine Mtns. Comment
  SEINET205936  Petradoria discoidea J. C. Roos, AR Roos 1953-8-9 5945 Inyo Tamarack Canyon Inyo Mts 2682 Comment
  SEINET2540538  Nitrophila mohavensis John C. Roos, A. R. Roos 1954-1 Inyo Comment
  SEINET7545151  Astragalus lentiginosus var. micans J. C. Roos 1955-1 9354 Inyo SE end Eureka Valley Comment
  SEINET7881993 Image available Haplopappus brickellioides J. C. Roos, A. R. Roos 1955-1 6530 Inyo West Base Last Chance Mts. east of Eureka Valley sand dunes Comment
  SEINET8465397 Image available Lomatium foeniculaceum subsp. inyoense J. C. Roos 1958-7-5 s.n. Inyo Near Badger Flat, Inyo Mtns. Comment
  SEINET8854028 Image available Orobanche fasciculata J. C. Roos 1965-1 s.n. Inyo Arcane Meadows, near Telescope Peak, Panamint Mountians Comment
  UC1010210  Dicoria canescens John and Lucille Roos 1954-11-24 6266 Inyo se end Eureka Valley 929 Comment
  UC1010220  Astragalus calycosus var. calycosus John C. Roos 1947-7-11 2903 Inyo Mahogany Flats , Mohogany Flats (Panamint Mts.) 2499 Comment
  UC1042986  Dalea searlsiae John and Lucille Roos 1954-6-28 6167 Inyo 3 mi. n.e. Andrews Mt.; Inyo Mts. 2316 Comment
  UC1042992  Suaeda calceoliformis John C. Roos 1954-7-18 6193 Inyo 2.5 mi ne Death Valley Junction (on Ash Meadows road); Amargosa Desert 624 Comment
  UC1042995  Oxytheca dendroidea subsp. dendroidea J. C. and A. R. Roos 1954-8-14 6212 Inyo flats 1.5 mi e Andrews Mtn.; Inyo Mts. 2545 Comment
  UC1042996  Chylismia heterochroma J. C. and A. R. Roos 1952-8-14 6213 Inyo 0.4 mi n The Narrows; Inyo Mts., Marble Canyon 2316 Comment
  UC1042999  Chenopodium rubrum J. C. and A. R. Roos 1954-8-15 6223 Inyo Saline Valley 323 Comment
  UC1043002  Suaeda calceoliformis John and Lucille Roos 1954-9-14 6236 Inyo 2.7 mi ne Death Valley Junction (along Ash Meadows road); Amargosa Desert 624 Comment
  UC1043009  Chenopodium rubrum John and Lucille Roos 1954-11-23 6258 Inyo Salt Lake Saline Valley (marsh at sw side) 323 Comment
  UC1080631  Suaeda calceoliformis John and Lucille Roos 1954-9-14 6236 Inyo 2.7 mi ne Death Valley Junction (on Ash Meadows Road) 624 Comment
  UC1117449  Achnatherum X bloomeri J. C. and A. R. Roos 1955-8-26 6559 Inyo Waucoba Mt. Inyo Mts. (e slope) 3048 Comment
  UC1234647  Sesuvium verrucosum J. C. Roos 1955-7-24 6524 Inyo 0.5 mi e of Olancha (at south end of Owens Lake); Owens Lake 1097 Comment
  UC1234668  Castilleja minor subsp. minor J. C. and A. R. Roos 1955-8-28 6568 Inyo 3 mi n Olancha; Owens Lake 1091 Comment
  UC1234674  Chenopodium fremontii J. C. Roos 1955-7-23 6515 Inyo 1.5 mi s Soldier Flat; Inyo Mts. 1981 Comment
  UC1234731  Symphyotrichum frondosum J. C. and A. R. Roos 1955-8-28 6564 Inyo 3 mi n, w side of Owens Lake Olancha; Owens Lake 1082 Comment
  UC1234808  Suaeda calceoliformis J. C. and A. R. Roos 1955-8-28 6565 Inyo 3 mi n Olancha (w side of Owens Lake); Owens Lake 1082 Comment
  UC1234813  Stephanomeria exigua subsp. coronaria J. C. Roos and E. C. Jaeger 1955-7-21 6477 Inyo 2 mi ne Willow Spring; Last Chance Mountains 2011 Comment
  UC1234816  Cordylanthus maritimus subsp. canescens J. C. and A. R. Roos 1955-8-28 6569 Inyo 3 mi n Olancha (w side of lake); Owens Lake 1085 Comment
  UC1234821  Eriogonum baileyi var. baileyi J. C. Roos and E. C. Jaeger 1955-7-21 6496 Inyo Willow Spring Last Chance Mountains, Willow Spring 1828 Comment
  UC1234834  Eriogonum baileyi var. baileyi J. C. and A. R. Roos 1955-8-24 6535 Inyo 2 mi ne Willow Spring; Last Chance Mts. 2011 Comment
  UC1234835  Cordylanthus kingii subsp. helleri J. C. and A. R. Roos 1955-8-24 6536 Inyo 1 mi s Willow Spring; Last Chance Mts 2255 Comment
  UC1234855  Townsendia scapigera J. C. Roos 1955-6-19 6436 Inyo 1 mi s Willow Spring; Last Chance Mountains 2286 Comment
  UC1234861  Lupinus brevicaulis J. C. Roos 1955-6-19 6434 Inyo one mile S of Willow Spring; Last Chance Mountains 2286 Comment
  UC1236207  Symphyotrichum bracteolatum J. C. and A. R. Roos 1955-8-28 6570 Inyo 3 mi n on w side of Owens Lake Olancha; Owens Lake 1091 Comment
  UC1236225  Cymopterus aboriginum John C. Roos 1955-5-16 6382 Inyo 1.5 mi sw of Loretto Mine (along Loretto Road, Inyo Mountains); Inyo Mountains, Loretto Road 1676 Comment
  UC1236261  Astragalus coccineus John C. Roos 1955-5-16 6392 Inyo Waucoba Road 6 mi e Big Pine (w side Inyo Mts., n side rock outcrop); w side Inyo Mts., e of Big Pine 1493 Comment
  UC1236262  Stanleya pinnata John C. Roos 1955-5-16 6391 Inyo Waucoba Road 6 mi e Big Pine; w side Inyo Mts., e of Big Pine 1493 Comment
  UC1236266  Anulocaulis annulatus John C. Roos 1955-5-13 6350 Inyo n.e. Eureka Valley (w. base of Last Chance Mts.); Last Chance Mts. 1158 Comment
  UC1494266  Swertia puberulenta J. C. Roos 1967-8-5 Inyo e of Badger Flat; Inyo Mtns., Summit Ridge Comment
  UCSB37793  Physocarpus alternans Roos, John 1965-7-10 Inyo Eagle Springs, Panamint Mtns Comment
  UCSB37804  Artemisia ludoviciana Roos, John 1961-9-2 Inyo In a rocky moist canyon below Side Hill Spring, Inyo Mtns. 2804 Comment
  UCSB38062  Ribes velutinum Roos, John 1965-7-10 Inyo N.E. slope of Telescope Peak; Panamint Mtns Comment
  UCSB38065  Heuchera rubescens Roos, John 1965-7-10 Inyo Telegraph Peak, Panamint Mtns 3048 Comment
  UCSB42154  Dicoria canescens Roos, John; Roos, Lucille 1954-11-24 Inyo Southeast end of Eureka Valley 929 Comment
  UCSB42264  Glossopetalon spinescens Roos, John; Roos, Lucille 1955-4-11 Inyo No data 1706 Comment
  UCSB45524  Dicoria canescens Roos, John; Munz, Philip 1955-4-9 Inyo Eureka Valley 929 Comment
  UCSB45535  Eriogonum latens Roos, John 1962-8-25 Inyo West ridge from Waucoba Mtn; Inyo Mountains Comment



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