Search Results — 2000 specimen records retrieved (1838 records with coordinates)
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Results for search: County=SAN BERNARDINO; 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-BC106237  Brickellia californica J. C. Roos 1965-9-11 s.n. San Bernardino San Bernardino Mountains - Mill Creek Comment
  CAS-BOT-BC134091  Brickellia microphylla var. microphylla John C. Roos 1950-9-3 4974 San Bernardino canyon on south side Clark Mtn., N.W. of Mountain Pass 1828 Comment
  CAS-BOT-BC137835  Andropogon glomeratus var. glomeratus John Roos; Lucille Roos 1950-11-4 5023 San Bernardino Arrowhead Hot Springs, south base San Bernardino Mountains. 609 Comment
  CAS-BOT-BC143379  Horkelia wilderae J. C. Roos 1965-6-26 s.n. San Bernardino Upper Santa Ana Basin, near Fish Creek, San Bernardino Mtns. 2133 Comment
  CAS-BOT-BC145627  Bouteloua eriopoda John C. Roos 1950-9-3 4975 San Bernardino Canyon slope south of Clark Mountain, northwest of Mountain Pass, eastern Mohave Desert. 1828 Comment
  CAS-BOT-BC148010  Rubus leucodermis J. C. Roos 1965-7-17 s.n. San Bernardino Barton Flats, San Bernardino Mtns. Comment
  CAS-BOT-BC148733  Bromus carinatus var. marginatus J. C. Roos 1965-6-26 s.n. San Bernardino Upper Santa Ana Canyon, Heart Bar area. San Bernardino Mtns. Comment
  CAS-BOT-BC148735  Bromus carinatus var. marginatus J. C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mountains. Moonridge, Bear Valley. Comment
  CAS-BOT-BC158481  Potentilla gracilis var. gracilis J. C. Roos 1965-7-18 s.n. San Bernardino Moonridge, Bear Valley, San Bernardino Mtns. Comment
  CAS-BOT-BC169155  Atriplex lentiformis John Roos; Lucille Roos 1954-10-2 6252 San Bernardino 237 S. Waterman, San Bernardino 320 Comment
  CAS-BOT-BC169157  Atriplex lentiformis John Roos 1950-10-31 5022 San Bernardino 237 South Waterman Ave., San Bernardino 320 Comment
  CAS-BOT-BC172131  Clarkia dudleyana J. C. Roos 1981-7-1 s.n. San Bernardino Igo's near Mountain Home Village and Mill Creek, San Bernardino Mtns. Comment
  CAS-BOT-BC176549  Atriplex polycarpa J. C. Roos 1965-7-6 s.n. San Bernardino At the cement plant, Victorville Comment
  CAS-BOT-BC186242  Ribes roezlii var. roezlii J. C. Roos 1965-6-6 s.n. San Bernardino Mill Creek near Fallsvale, San Bernardino Mtns. Comment
  CAS-BOT-BC189619  Plagiobothrys torreyi John Roos; Lucille Roos 1951-6-9 5062 San Bernardino Running Springs, San Bernardino Mountains 1828 Comment
  CAS-BOT-BC196829  Lupinus breweri var. grandiflorus J. C. Roos 1965-7-18 s.n. San Bernardino Bear Valley, San Bernardino Mtns. Comment
  CAS-BOT-BC197183  Echinochloa crus-galli J. C. Roos 1965-7-4 s.n. San Bernardino Loma Linda 304 Comment
  CAS-BOT-BC199962  Vulpia microstachys var. ciliata John Roos; Lucille Roos 1951-6-9 5060 San Bernardino San Bernardino Mts. 1767 Comment
  CAS-BOT-BC209078  Digitaria sanguinalis J. C. Roos 1965-7-5 s.n. San Bernardino Loma Linda Comment
  CAS-BOT-BC210923  Achnatherum parishii subsp. depauperatum J. C. Roos; A. R. Roos 1950-8-5 4895 San Bernardino North slope Clark Mtn., about 1 1/2 miles S.W. of Coliseum Mine, eastern Mohave [Mojave] Desert 1737 Comment
  CAS-BOT-BC213547  Eragrostis barrelieri J. C. Roos 1965-9-22 s.n. San Bernardino Barstow, Mojave Desert Comment
  CAS-BOT-BC213601  Eragrostis mexicana subsp. mexicana J. C. Roos 1951-9-19 5221 San Bernardino Irrigated orchard on West Barton Ave. in Loma Linda, at intersection with San Bernardino St. 335 Comment
  CAS-BOT-BC216429  Achnatherum lettermanii J. C. Roos 1965-7-17 s.n. San Bernardino Stetson Creek, Barton Flats, San Bernardino Mountains Comment
  CAS-BOT-BC216439  Achnatherum aridum J. C. Roos; A. R. Roos 1950-8-5 4894 San Bernardino 1.5 miles SW of Coliseum Mine, Clark Mountains, Mojave Desert 1737 Comment
  CAS-BOT-BC216899  Achnatherum occidentale J. C. Roos 1981-9-1 s.n. San Bernardino Barton Flats, San Bernardino Mountains Comment
  CAS-BOT-BC223145  Galium johnstonii J. C. Roos 1965-7-17 s.n. San Bernardino Kilpecker Creek, San Bernardino Mtns. Comment
  CAS-BOT-BC227038  Leptosiphon floribundus subsp. floribundus J. C. Roos 1965-6-26 s.n. San Bernardino Barton Flats, San Bernardino Mtns. Comment
  CAS-BOT-BC227764  Elymus elymoides J. C. Roos 1965-7-17 s.n. San Bernardino Barton Flats, San Bernardino Mtns. Comment
  CAS-BOT-BC228222  Plagiobothrys hispidulus J. C. Roos 1947-6-21 3706 San Bernardino Running Springs, San Bernardino Mountains Comment
  CAS-BOT-BC229520  Gilia triodon J. C. Roos 1949-5-28 3541 San Bernardino N slope of Clark Mountain 1584 Comment
  CAS-BOT-BC233460  Nicotiana glauca J. C. Roos 1965-6-27 s.n. San Bernardino Loma Linda 304 Comment
  CAS-BOT-BC235448  Sporobolus cryptandrus J. C. Roos 1965-6-7 s.n. San Bernardino Victorville Comment
  CAS-BOT-BC237528  Polypogon viridis J. C. Roos; A. C. Sanders 1965-6-12 s.n. San Bernardino Igo's near Mountain Home Village and Mill Creek, San Bernardino Mountains Comment
  CAS-BOT-BC238207  Cordylanthus tecopensis John C. Roos 1954-7-18 6203 San Bernardino Saratoga Springs, Mohave [Mojave] Desert 60 Comment
  CAS-BOT-BC241652  Eriogonum baileyi var. baileyi J. C. Roos 1965-10-17 s.n. San Bernardino On desert flat at Phelan Rd., south of Victorville Comment
  CAS-BOT-BC247401  Poa pratensis J. C. Roos 1965-7-18 s.n. San Bernardino Moonridge, Bear Valley, San Bernardino Mtns. Comment
  CAS-BOT-BC260479  Achnatherum hymenoides J. C. Roos 1965-6-7 s.n. San Bernardino Victorville Comment
  CAS-BOT-BC260858  Phleum pratense J. C. Roos 1965-7-18 s.n. San Bernardino Moonridge, Bear Valley, San Bernardino Mtns. Comment
  CAS-BOT-BC261181  Eriogonum heermannii var. heermannii John C. Roos 1951-7-30 5078 San Bernardino Sheep Creek, N.E. of Wrightwood, San Gabriel Mts. 1584 Comment
  CAS-BOT-BC262584  Muhlenbergia arsenei J. C. Roos; A. R. Roos 1950-8-5 4896 San Bernardino 1 1/2 miles SW of Coliseum Mine, Clark Mts., Mojave Desert 1737 Comment
  CAS-BOT-BC270949  Eriogonum mohavense John Roos; Lucille Roos 1952-5-17 5675 San Bernardino 10 miles west of Adelanto, Mohave Desert 944 Comment
  CAS-BOT-BC274063  Imperata brevifolia J. C. Roos 1938-11-5 s.n. San Bernardino Arrowhead Hot Springs, on the south side of the San Bernardino Mtns. Comment
  CAS-BOT-BC274546  Leymus triticoides J. C. Roos 1965-7-18 s.n. San Bernardino East end of Bear Valley, San Bernardino Mtns. Comment
  CAS-BOT-BC282999  Eriochloa lemmonii John C. Roos 1950-8-22 4945 San Bernardino Highland, San Bernardino Valley 457 Comment
  CAS-BOT-BC283001  Eriochloa lemmonii A. R. Roos 1937-11-25 s.n. San Bernardino Highland Comment
  CAS-BOT-BC283678  Leymus condensatus John C. Roos 1952-5-16 5671 San Bernardino 1 mile W of Colton 320 Comment
  CAS-BOT-BC284148  Eragrostis pectinacea var. pectinacea J. C. Roos 1965-7-5 s.n. San Bernardino Loma Linda 304 Comment
  CAS-BOT-BC284942  Hordeum brachyantherum subsp. californicum J. C. Roos 1965-7-18 s.n. San Bernardino Big Bear Lake, San Bernardino Mtns. Comment
  CAS-BOT-BC285738  Cirsium vulgare J. C. Roos 1955-8-8 6525 San Bernardino Loma Linda 320 Comment
  CAS-BOT-BC287504  Ericameria laricifolia John C. Roos 1950-9-1 4956 San Bernardino Vicinity of Coliseum Mine, Clark Mts, Eastern Mojave Desert 1615 Comment
  CAS-BOT-BC291044  Dyssodia papposa John Roos; Lucille Roos 1952-5-1 5056 a San Bernardino Corner of Central and Anderson, Loma Linda 335 Comment
  CAS-BOT-BC29254  Acroptilon repens John C. Roos 1947-7-5 2908 San Bernardino Junction of San Timoteo and Live Oak Canyons 457 Comment
  CAS-BOT-BC294858  Erigeron breweri var. porphyreticus John Roos; Lucille Roos 1949-6-27 4508 San Bernardino N. side Kingston Mts., NE San Bernardino Co. 1828 Comment
  CAS-BOT-BC299051  Ericameria nauseosa var. hololeuca John C. Roos 1950-9-3 4972 San Bernardino Canyon on S slope of Clark Mts, NW of Mountain Pass, E Mojave Desert 1889 Comment
  CAS-BOT-BC305800  Helianthus petiolaris John Roos; Lucille Roos 1951-9-9 5199 San Bernardino Highway 99 at Etiwanda Ave. between Ontario and Fontana 304 Comment
  CAS-BOT-BC306710  Helenium bigelovii J. C. Roos 1965-9-11 s.n. San Bernardino Bank of Mill Creek, San Bernardino Mtns. Comment
  CAS-BOT-BC310856  Heterotheca sessiliflora subsp. fastigiata J. C. Roos 1965-9-11 s.n. San Bernardino In Mill Creek Canyon, San Bernardino Mtns. Comment
  CAS-BOT-BC328143  Sanvitalia abertii J. C. Roos; A. R. Roos 1950-8-5 4893 San Bernardino 1 mile south of Coliseum Mine, Clark Mountains, eastern Mohave Desert 1645 Comment
  CAS-BOT-BC328145  Sanvitalia abertii John Roos 1950-9-1 4954 San Bernardino Near Coliseum Mine, Clark Mountains, eastern Mohave Desert 1645 Comment
  CAS-BOT-BC328916  Tetradymia argyraea John C. Roos 1949-6-25 3560 San Bernardino Below Coliseum Mine, Clark Mtns., northeast part of county 1615 Comment
  CAS-BOT-BC365137  Solidago velutina subsp. californica J. C. Roos 1965-10-2 s.n. San Bernardino Mill Creek, San Bernardino Mtns. 1219 Comment
  CAS-BOT-BC365330  Solidago confinis J. C. Roos 1946-9-21 3043 San Bernardino Lucerne Valley in the southern Mojave Desert. Box S Spring 1082 Comment
  CAS-BOT-BC38171  Caulanthus amplexicaulis J. C. Roos 1947-6-21 3690 San Bernardino San Bernardino Mountains. Roadside near Big Bear Lake. 1889 Comment
  CAS-BOT-BC391197  Stellaria longipes subsp. longipes J. C. Roos 1965-6-26 s.n. San Bernardino Upper Santa Ana Canyon, Heart Bar area. San Bernardino Mtns. Comment
  CAS-BOT-BC413577  Persicaria amphibia J. C. Roos 1966-9-10 s.n. San Bernardino Big Bear Lake, San Bernardino Mtns. Comment
  CAS-BOT-BC422177  Rumex californicus J. C. Roos 1965-7-17 s.n. San Bernardino Dry Lake, San Bernardino Mtns. Comment
  CAS-BOT-BC43202  Descurainia pinnata subsp. brachycarpa J. C. Roos 1947-2-22 3279 San Bernardino San Bernardino Mountains. Deep Creek, along the flume. Comment
  CAS-BOT-BC73719  Celtis reticulata John C. Roos 1950-9-2 4964 San Bernardino East slope of Clark Mts., about 1 1/2 miles S.E. of Coliseum Mine, eastern [Mohave] Mojave Desert. 1524 Comment
  CAS-BOT-BC75739  Berberis nevinii J. C. Roos 1949-3-6 13121 San Bernardino Branch of San Timoteo Canyon, south of Redlands. 426 Comment
  CAS-BOT-BC75741  Berberis nevinii J. C. Roos 1966-2-10 s.n. San Bernardino San Timoteo Canyon, south of Redlands. Comment
  CAS-BOT-BC76299  Canbya candida John Roos; Lucille Roos 1952-5-10 5633 San Bernardino Kremer Hills, Mohave Desert. 853 Comment
  CAS-BOT-BC84677  Anthemis cotula J. C. Roos 1965-6-29 s.n. San Bernardino Bryn Mawr 304 Comment
  CAS-BOT-BC97136  Artemisia rothrockii John C. Roos 1946-8-29 2777 San Bernardino east end Bear Valley, San Bernardino Mts. 2072 Comment
  CLARK-A1528-1001B  Rumex triangulivalvis John C. Roos 1937-7-29 1982 San Bernardino Bluff Lake 2316 Comment
  CLARK-A1528-1002  Calyptridium parryi subsp. parryi John C. Roos 1937-7-21 2001 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1006A  Poa annua John C. Roos 1943-4-1 2626 San Bernardino San Bernardino 320 Comment
  CLARK-A1528-1011  Calochortus splendens John C. Roos 1941-5-6 135 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-1014  Leptodactylon californicum John C. Roos 1941-5-13 133 San Bernardino San Bernardino Mountains 761 Comment
  CLARK-A1528-1016  Veronica serpyllifolia subsp. humifusa John C. Roos 1937-7-21 San Bernardino San Bernardino Mountains 1920 Comment
  CLARK-A1528-1018  Chrysothamnus nauseosus subsp. ceruminosus John C. Roos 1936-11-4 1528 San Bernardino Victorville 822 Comment
  CLARK-A1528-1021  Sidalcea pedata John C. Roos 1937-7-29 1980 San Bernardino San Bernardino Mountains 2316 Comment
  CLARK-A1528-1024  Madia glomerata John C. Roos 1937-7-29 1981 San Bernardino San Bernardino Mountains 2316 Comment
  CLARK-A1528-1036  Castilleja applegatei John C. Roos 1937-7-21 2002 San Bernardino San Bernardino Mountains 0 Comment
  CLARK-A1528-1038  Veronica americana John C. Roos 1937-7-21 San Bernardino San Bernardino Mountains 1920 Comment
  CLARK-A1528-1041  Quercus wislizeni var. frutescens John C. Roos 1940-8-17 1607 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1044  Artemisia tridentata subsp. tridentata Alfred R. Roos 1948-10-29 San Bernardino Cajon Pass 1219 Comment
  CLARK-A1528-1051  Acer saccharum John C. Roos 1949-10-4 San Bernardino Oak Glen 1462 Comment
  CLARK-A1528-1071  Taraxacum californicum John C. Roos 1937-7-28 1972 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1078  Haplopappus pinifolius John C. Roos 1936-11-4 1530 San Bernardino Cajon Pass Comment
  CLARK-A1528-1097  Erigeron philadelphicus John C. Roos 1941-4-26 146 San Bernardino 304 Comment
  CLARK-A1528-1105  Verbesina encelioides subsp. exauriculata John C. Roos 1940-9-15 228 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-111  Amaranthus hybridus John C. Roos 1951-9-19 5222 San Bernardino Loma Linda 335 Comment
  CLARK-A1528-1116  Descurainia pinnata John C. Roos 1998-11-20 San Bernardino Victorville 822 Comment
Read comments
Nov 20 2016
  CLARK-A1528-112  Amaranthus palmeri John C. Roos 1951-9-19 5223 San Bernardino Loma Linda Comment
  CLARK-A1528-113  Amaranthus retroflexus John C. Roos 1951-9-17 5217 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-1138  Pyrola picta var. aphylla John C. Roos 1937-7-21 1999 San Bernardino San Bernardino Mountains 1920 Comment
  CLARK-A1528-1154  Lupinus concinnus John C. Roos 1937-5-28 687 San Bernardino San Bernardino Mountains 1523 Comment
  CLARK-A1528-1176  Quercus agrifolia John C. Roos 1946-9-1 2984 San Bernardino Wildwood Canyon Comment
  CLARK-A1528-1180  Quercus chrysolepis John C. Roos 1946-9-3 2982 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1190  Atriplex elegans subsp. fasciculata John C. Roos 1965-7-6 San Bernardino Barstow Comment
  CLARK-A1528-1195  Suaeda torreyana John C. Roos 1940-8-22 245 San Bernardino Loma Linda Comment
  CLARK-A1528-1197  Grayia spinosa John C. Roos 1941-4-5 193 San Bernardino Dry Morongo Canyon Comment
  CLARK-A1528-1202  Lemna valdiviana John C. Roos 1937-7-25 656 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1205  Physalis philadelphica John C. Roos 1940-10-26 220 San Bernardino Loma Linda 335 Comment
  CLARK-A1528-1211  Solanum triflorum John C. Roos 1950-9-1 4957 San Bernardino Clark Mountains 1615 Comment
  CLARK-A1528-1214  Solanum elaeagnifolium John C. Roos 1940-8-22 248 San Bernardino Loma Linda Comment
  CLARK-A1528-1218  Penstemon heterophyllus subsp. australis John C. Roos 1937-6-2 1988 San Bernardino Yucaipa Comment
  CLARK-A1528-1236  Cordylanthus filifolius John C. Roos 1940-9-1 231 San Bernardino Cajon Pass 761 Comment
  CLARK-A1528-1254  Sporobolus flexuosus John C. Roos 1950-9-1 4949 San Bernardino Valley Wells 1127 Comment
  CLARK-A1528-1261  Glyceria elata John C. Roos 1948-7-10 3921 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1271  Festuca brachyphylla John C. Roos 1936-7-30 1512 San Bernardino San Bernardino Mountains 3352 Comment
  CLARK-A1528-1283  Oryzopsis micrantha John C. Roos, R. Weatherby 1949-9-2 3571 San Bernardino Kingston Range 2163 Comment
  CLARK-A1528-1292  Claytonia spathulata var. tenuifolia John C. Roos 1937-6-5 1474 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1303  Erodium cicutarium John C. Roos 1940-8-24 247 San Bernardino Loma Linda Comment
  CLARK-A1528-1307  Pterospora andromedea John C. Roos 1937-7-20 1993 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1321  Phoradendron bolleanum subsp. densum John C. Roos 1941-11-15 867 San Bernardino San Bernardino Mountains| Deep Creek 1158 Comment
  CLARK-A1528-1354  Galium bifolium John C. Roos 1937-7-29 1974 San Bernardino San Bernardino Mountains 2316 Comment
  CLARK-A1528-1366  Leptodactylon pungens John C. Roos 1943-7-4 2723 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1374  Acer glabrum John C. Roos 1940-5-11 837 San Bernardino San Bernardino Mountains 2042 Comment
  CLARK-A1528-1382  Trianthema portulacastrum John C. Roos 1954-11-21 6256 San Bernardino Loma Linda 335 Comment
  CLARK-A1528-1401  Amaranthus hybridus John C. Roos 1937-9-5 2553 San Bernardino Loma Linda Comment
  CLARK-A1528-1404  Amaranthus retroflexus John C. Roos 1951-9-17 5217 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-1406  Amaranthus retroflexus Alfred R. Roos 1937-11-24 San Bernardino Bryn Mawr Comment
  CLARK-A1528-1408  Amaranthus torreyi John C. Roos 1950-8-5 4905 San Bernardino Clark Mountain Range 1706 Comment
  CLARK-A1528-1413  Rhus integrifolia John C. Roos 1949-10-22 4693 San Bernardino Santa Ana River 396 Comment
  CLARK-A1528-1419  Apiastrum angustifolium John C. Roos 1969-5-17 San Bernardino Loma Linda Hills brushy north slope; in semi-shade, ; ; San Bernardino South. 7.5'Q 365 Comment
Read comments
Oct 26 2015
  CLARK-A1528-1437  Lomatium dissectum John C. Roos 1956-5-26 6580 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1442  Lomatium nevadense John C. Roos 1949-5-28 4333 San Bernardino Clark Mountains 1645 Comment
  CLARK-A1528-1443  Lomatium nevadense var. parishii John C. Roos 1967-5-30 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1449  Osmorhiza brachypoda John C. Roos 1937-5-9 1683 San Bernardino Oak Glen Comment
  CLARK-A1528-1450  Perideridia parishii John C. Roos 1937-7-29 1682 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1457  Tauschia parishii John C. Roos 1937-5-28 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1459  Sphenosciadium capitellatum John C. Roos 1937-7-22 1680 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1470  Sarcostemma hirtellum John C. Roos 1947-4-18 3449 San Bernardino Cronise Lake Comment
  CLARK-A1528-1473  Apocynum androsaemifolium John C. Roos 1947-8-9 3738 San Bernardino San Bernardino Mountains 2072 Comment
  CLARK-A1528-1481  Amsonia brevifolia John C. Roos 1937-6-5 1543 San Bernardino San Bernardino Mountains Comment
Read comments
Jan 23 2015
  CLARK-A1528-1484  Aralia californica John C. Roos 1937-7-15 383 San Bernardino San Gabriel Mountains Comment
  CLARK-A1528-1486  Athyrium filix-femina John C. Roos 1961-8-6 San Bernardino San Bernardino Mountains 2499 Comment
  CLARK-A1528-1494  Agave utahensis var. nevadensis John C. Roos 1949-5-29 4368 San Bernardino Clark Mountains 1523 Comment
  CLARK-A1528-1498  Nolina parryi subsp. wolfii John C. Roos 1949-6-27 4502 San Bernardino Kingston Mountains 1828 Comment
  CLARK-A1528-150  Anthemis cotula John C. Roos 1951-9-21 5245 San Bernardino Loma Linda Comment
  CLARK-A1528-1504  Allium fimbriatum John C. Roos 1947-6-21 3704 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1508  Allium haematochiton John C. Roos 1937-3-10 639 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1510  Allium nevadense var. cristatum John C. Roos 1949-5-29 4369 San Bernardino Clark Mountain 1676 Comment
  CLARK-A1528-1520  Triteleia laxa John C. Roos, Lucille Roos 1952-4-13 5516 San Bernardino San Bernardino Valley 380 Comment
  CLARK-A1528-1530  Achillea millefolium John C. Roos 1965-6-12 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1539  Ambrosia psilostachya Alfred R. Roos 1937-11-15 San Bernardino Loma Linda Comment
  CLARK-A1528-1549  Antennaria media John C. Roos 1941-8-27 37 San Bernardino San Bernardino Mountains 3352 Comment
  CLARK-A1528-1553  Antennaria rosea John C. Roos 1937-7-20 2375 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1557  Artemisia bigelovii John C. Roos 1950-8-4 San Bernardino Clark Mountain Comment
  CLARK-A1528-1560  Artemisia californica John C. Roos 1966-1-2 San Bernardino Loma Linda Comment
  CLARK-A1528-1563  Artemisia douglasiana Alfred R. Roos 1937-11-15 San Bernardino Loma Linda Comment
  CLARK-A1528-1565  Artemisia douglasiana John C. Roos 1965-10-2 San Bernardino Mentone Comment
  CLARK-A1528-1570  Artemisia dracunculus John C. Roos 1948-10-16 San Bernardino Oak Glen Comment
  CLARK-A1528-1573  Artemisia dracunculus John C. Roos 1968-9-21 San Bernardino San Bernardino Mountains 2438 Comment
  CLARK-A1528-1575  Artemisia dracunculus John C. Roos 1965-10-2 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1579  Artemisia ludoviciana John C. Roos 1937-3-1 2480 San Bernardino Victorville Comment
  CLARK-A1528-1584  Artemisia nova John C. Roos 1948-9-18 San Bernardino Clark Mountains Comment
  CLARK-A1528-1601  Artemisia tridentata John C. Roos 1946-9-21 3049 San Bernardino San Bernardino Mountains 1828 Comment
  CLARK-A1528-1604  Aster carnosus John C. Roos 1956-8-2 6591 San Bernardino San Bernardino Valley Comment
  CLARK-A1528-1606  Aster exilis John C. Roos 1949-9-25 4668 San Bernardino Loma Linda Comment
  CLARK-A1528-1642  Bahia neomexicana John C. Roos 1950-9-1 4955 San Bernardino Clark Mountains 1615 Comment
  CLARK-A1528-1643  Baileya multiradiata John C. Roos 1937-4-27 2455 San Bernardino Goffs Comment
  CLARK-A1528-1650  Bellis perennis John C. Roos 1966-3-6 San Bernardino Redlands Comment
  CLARK-A1528-1660  Brickellia californica John C. Roos 1948-9-18 4057 San Bernardino Clark Mountains 1523 Comment
  CLARK-A1528-1665  Brickellia desertorum John C. Roos 1950-9-30 4993 San Bernardino Loma Linda 380 Comment
  CLARK-A1528-1677  Brickellia incana John C. Roos 1950-8-4 San Bernardino Clark Mountain Comment
  CLARK-A1528-1711  Chrysothamnus nauseosus John C. Roos 1951-10-6 5318 San Bernardino San Bernardino Mountains 1828 Comment
  CLARK-A1528-1716  Chrysothamnus nauseosus subsp. consimilis John C. Roos 1941-10-18 857 San Bernardino San Bernardino Mountains 2621 Comment
  CLARK-A1528-1718  Chrysothamnus nauseosus John C. Roos 1948-9-18 4060 San Bernardino Clark Mountain 1828 Comment
  CLARK-A1528-1721  Chrysothamnus nauseosus John C. Roos 1950-10-11 5002 San Bernardino Cajon Pass 975 Comment
  CLARK-A1528-1724  Chrysothamnus nauseosus John C. Roos 1950-10-11 5001 San Bernardino Cajon Pass 914 Comment
  CLARK-A1528-1726  Chrysothamnus nauseosus John C. Roos 1950-10-11 5004 San Bernardino 1066 Comment
  CLARK-A1528-1736  Chrysothamnus parryi subsp. asper John C. Roos 1941-10-18 858 San Bernardino San Bernardino Mountains 2621 Comment
  CLARK-A1528-1744  Chrysothamnus viscidiflorus John C. Roos 1941-10-18 856 San Bernardino San Bernardino Mountains 2621 Comment
  CLARK-A1528-1754  Centaurea melitensis John C. Roos 1965-6-6 San Bernardino San Bernardino Mtns Comment
  CLARK-A1528-1778  Cirsium vulgare John C. Roos 1965-7-21 San Bernardino Loma Linda Comment
  CLARK-A1528-1792  Crepis acuminata John C. Roos 1965-6-26 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1793  Gnaphalium microcephalum John C. Roos 1961-10-28 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1802  Dyssodia pentachaeta John C. Roos 1950-8-4 San Bernardino Clark Mountain Comment
  CLARK-A1528-1814  Erigeron aphanactis var. congestus John C. Roos 1967-5-30 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1816  Erigeron breweri John C. Roos 1965-6-26 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1818  Erigeron compositus var. discoideus John C. Roos 1941-8-27 San Bernardino San Bernardino Mountains 3474 Comment
  CLARK-A1528-1826  Conyza bonariensis John C. Roos 1951-9-18 5219 San Bernardino Loma Linda 335 Comment
  CLARK-A1528-1828  Erigeron pumilus John C. Roos 1943-7-4 2719 San Bernardino San Bernardino Mountains 2986 Comment
Read comments
Jul 3 2014
  CLARK-A1528-1831  Erigeron uncialis John C. Roos 1949-5-28 4361 San Bernardino Clark Mountain 1920 Comment
  CLARK-A1528-1834  Eriophyllum confertiflorum John C. Roos 1965-6-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1836  Eriophyllum confertiflorum John C. Roos 1965-6-26 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1838  Eriophyllum lanatum var. obovatum John C. Roos 1965-7-18 San Bernardino San Bernardino Mountains 1837 Comment
  CLARK-A1528-1848  Gnaphalium chilense John C. Roos 1965-7-18 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1854  Galinsoga parviflora John C. Roos 1968-9-7 San Bernardino San Bernardino Mountains 1523 Comment
  CLARK-A1528-1864  Gutierrezia microcephala John C. Roos 1950-8-4 San Bernardino Clark Mountain Comment
  CLARK-A1528-1868  Gutierrezia sarothrae John C. Roos 1966-8-6 San Bernardino San Bernardino Mountains 2438 Comment
  CLARK-A1528-1871  Haplopappus acradenius John C. Roos 1946-9-2 2986 San Bernardino San Timoteo Canyon Comment
  CLARK-A1528-1874  Haplopappus acradenius subsp. eremophilus John C. Roos 1942-10-24 2579 San Bernardino Twentynine Palms Oasis Comment
  CLARK-A1528-1878  Haplopappus cooperi John C. Roos 1965-5-20 San Bernardino Hesperia Comment
  CLARK-A1528-1880  Haplopappus cuneatus John C. Roos 1948-9-25 4076 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1882  Haplopappus cuneatus John C. Roos 1942-10-17 1737 San Bernardino San Bernardino Mountains 2042 Comment
  CLARK-A1528-1890  Haplopappus laricifolius John C. Roos 1950-9-1 4956 San Bernardino Clark Mountains 1615 Comment
  CLARK-A1528-1892  Haplopappus linearifolius John C. Roos 1965-5-20 San Bernardino Hesperia Comment
  CLARK-A1528-1899  Haplopappus palmeri John C. Roos 1946-10-23 3133 San Bernardino Loma Linda Comment
  CLARK-A1528-1927  Hemizonia ramosissima John C. Roos 1965-6-27 San Bernardino Loma Linda Hills 1000+ ft Comment
  CLARK-A1528-1943  Hieracium albiflorum John C. Roos 1937-7-20 2470 San Bernardino San Bernardino Mountains 1981 Comment
  CLARK-A1528-1955  Hulsea vestita John C. Roos 1939-6-3 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1960  Hymenoclea monogyra John C. Roos 1947-10-11 3747 San Bernardino Fontana Power Plant Comment
  CLARK-A1528-1963  Hymenopappus filifolius var. lugens John C. Roos 1937-6-25 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1969  Hypochaeris glabra John C. Roos 1948-4-29 2901 San Bernardino Loma Linda 335 Comment
  CLARK-A1528-1970  Hymenoxys cooperi John C. Roos 1949-6-24 4482 San Bernardino Clark Mountain 2103 Comment
  CLARK-A1528-1977  Lasthenia chrysostoma John C. Roos 1949-4-30 4277 San Bernardino 883 Comment
  CLARK-A1528-1986  Lepidospartum latisquamum John C. Roos 1950-9-3 4971 San Bernardino Clark Mountains 1889 Comment
  CLARK-A1528-1988  Lepidospartum squamatum John C. Roos 1965-10-2 San Bernardino San Bernardino Mountains 975 Comment
  CLARK-A1528-1991  Lessingia lemmonii var. ramulosissima John C. Roos 1946-9-20 3055 San Bernardino Mojave Desert Comment
  CLARK-A1528-1994  Leucelene ericoides John C. Roos 1949-6-19 4398 San Bernardino Clark Mountain 1889 Comment
  CLARK-A1528-1998  Machaeranthera canescens John C. Roos 1966-8-13 San Bernardino San Bernardino Mountains 2316 Comment
  CLARK-A1528-2027  Petradoria pumila John C. Roos 1948-9-18 San Bernardino Clark Mountains Comment
  CLARK-A1528-2035  Artemisia tridentata subsp. tridentata Alfred R. Roos 1948-10-29 San Bernardino Cajon Pass 1219 Comment
  CLARK-A1528-2037  Baccharis emoryi John C. Roos 1940-9-1 240 San Bernardino Reche Canyon Comment
  CLARK-A1528-2055  Pluchea purpurascens John C. Roos 1951-9-24 5246 San Bernardino Loma Linda 304 Comment
Read comments
Aug 20 2014
  CLARK-A1528-2070  Psilostrophe cooperi John C. Roos 1937-8-25 2024 San Bernardino East Mojave Desert Comment
  CLARK-A1528-2072  Raillardella argentea John C. Roos 1936-7-30 952 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2073  Raillardella argentea John C. Roos 1941-8-27 34 San Bernardino San Bernardino Mountains 3352 Comment
  CLARK-A1528-2077  Sanvitalia abertii John C. Roos 1950-9-1 4954 San Bernardino Clark Mountain 1645 Comment
  CLARK-A1528-2079  Senecio bernardinus John C. Roos 1943-7-3 2727 San Bernardino Big Bear City Comment
  CLARK-A1528-2081  Senecio douglasii John C. Roos 1965-7-21 San Bernardino Cajon Pass Comment
  CLARK-A1528-2084  Senecio ionophyllus John C. Roos 1964-6-26 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2088  Senecio serra John C. Roos 1941-8-27 31 San Bernardino Mount San Gorgonio 3200 Comment
  CLARK-A1528-2091  Senecio spartioides John C. Roos 1946-9-15 3038 San Bernardino San Bernardino Mountains 3169 Comment
  CLARK-A1528-2104  Stephanomeria cichoriacea John C. Roos 1943-7-27 2689 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2117  Tetradymia argyraea John C. Roos 1949-5-29 4376 San Bernardino Clark Mountains 1645 Comment
  CLARK-A1528-2130  Trichoptilium incisum John C. Roos 1937-4-24 2456 San Bernardino Sheep Hole Mountains Comment
  CLARK-A1528-2149  Conyza bonariensis John C. Roos 1949-10-3 4688 San Bernardino Loma Linda Comment
  CLARK-A1528-2157  Haplopappus gooddingii John C. Roos 1949-4-9 4214 San Bernardino Colorado River Comment
  CLARK-A1528-2162  Senecio fremontii subsp. occidentalis John C. Roos 1936-7-30 954 San Bernardino San Bernardino Mountains 3352 Comment
  CLARK-A1528-2163  Senecio multilobatus John C. Roos 1949-5-28 4350 San Bernardino Clark Mountain 1889 Comment
  CLARK-A1528-2170  Eriophyllum lanatum var. obovatum John C. Roos 1937-7-31 1992 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2184  Layia glandulosa John C. Roos 1941-4-5 190 San Bernardino Little San Bernardino Mountains Comment
  CLARK-A1528-2194  Heterotheca grandiflora John C. Roos 1940-9-1 232 San Bernardino Cajon Pass 701 Comment
Read comments
Jul 17 2014
  CLARK-A1528-2196  Tetradymia argyraea John C. Roos 1950-8-6 4908 San Bernardino Kingston Mountains 1523 Comment
  CLARK-A1528-2204  Coldenia nuttallii John C. Roos 1952-5-17 5679 San Bernardino Mojave Desert 914 Comment
  CLARK-A1528-2215  Cryptantha intermedia John C. Roos 1947-2-20 3276 San Bernardino Loma Linda Comment
  CLARK-A1528-2219  Cryptantha jamesii var. abortiva John C. Roos 1937-7-21 San Bernardino Lost Creek 1981 Comment
  CLARK-A1528-2243  Lappula redowskii John C. Roos 1937-5-29 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2245  Lappula redowskii John C. Roos 1967-5-30 San Bernardino San Bernardino Mountains 2285 Comment
  CLARK-A1528-2253  Pectocarya platycarpa John C. Roos 1937-4-25 1837 San Bernardino Chambless Comment
  CLARK-A1528-2255  Pectocarya setosa John C. Roos 1952-5-17 5677 San Bernardino Mojave Desert 944 Comment
  CLARK-A1528-2272  Berberis fremontii John C. Roos 1949-6-23 4461 San Bernardino New York Mountains Comment
  CLARK-A1528-2273  Berberis fremontii John C. Roos 1949-6-22 4437 San Bernardino New York Mountains 1523 Comment
  CLARK-A1528-2286  Arabis parishii John C. Roos 1967-5-30 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2306  Coronopus didymus John C. Roos 1953-4-16 5913 San Bernardino Loma Linda 320 Comment
  CLARK-A1528-2310  Dithyrea californica John C. Roos 1969-6-12 San Bernardino Mojave Desert Comment
  CLARK-A1528-2317  Halimolobos diffusa var. jaegeri John C. Roos 1948-9-18 San Bernardino Clark Mountain Range 2133 Comment
  CLARK-A1528-2320  Lepidium dictyotum John C. Roos 1950-4-7 4725 San Bernardino Rabbit Springs Comment
  CLARK-A1528-2329  Lepidium virginicum John C. Roos 1950-6-24 4838 San Bernardino San Bernardino Mountains 2224 Comment
  CLARK-A1528-2332  Lesquerella kingii subsp. bernardina John C. Roos 1959-5-16 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2339  Rorippa obtusa John C. Roos 1965-7-18 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2342  Sisymbrium orientale John C. Roos 1969-5-18 San Bernardino Loma Linda Comment
  CLARK-A1528-2343  Streptanthus bernardinus John C. Roos 1943-7-31 2692 San Bernardino Lake Arrowhead Comment
  CLARK-A1528-2347  Thelypodium integrifolium John C. Roos 1946-9-21 3046 San Bernardino San Bernardino Mountains 1081 Comment
  CLARK-A1528-2349  Thelypodium lasiophyllum John C. Roos 1947-3-8 3315 San Bernardino San Bernardino Mountains 1005 Comment
  CLARK-A1528-2350  Thelypodium lasiophyllum John C. Roos 1947-3-8 3315 San Bernardino San Bernardino Mountains 1005 Comment
  CLARK-A1528-2352  Thysanocarpus curvipes John C. Roos 1947-3-8 3313 San Bernardino San Bernardino Mountains 1005 Comment
  CLARK-A1528-2353  Thysanocarpus curvipes John C. Roos 1937-4-26 San Bernardino Providence Mountains Comment
  CLARK-A1528-2362  Opuntia ramosissima John C. Roos 1937-4-26 San Bernardino Providence Mountains Comment
  CLARK-A1528-2367  Lobelia cardinalis subsp. graminea John C. Roos 1965-10-2 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2370  Nemacladus glanduliferus var. orientalis John C. Roos 1937-4-28 1792 San Bernardino Needles Comment
  CLARK-A1528-2402  Amaranthus hybridus John C. Roos 1951-9-19 5222 San Bernardino Loma Linda 335 Comment
  CLARK-A1528-2403  Amaranthus palmeri John C. Roos 1951-9-19 5223 San Bernardino Loma Linda 335 Comment
  CLARK-A1528-2407  Amsonia tomentosa John C. Roos 1941-4-5 189 San Bernardino Little San Bernardino Mountains Comment
  CLARK-A1528-2416  Symphoricarpos longiflorus John C. Roos 1949-6-19 4401 San Bernardino Clark Mountain Comment
  CLARK-A1528-242  Heterotheca grandiflora John C. Roos 1951-9-19 5224 San Bernardino Loma Linda 335 Comment
  CLARK-A1528-2428  Oenanthe sarmentosa John C. Roos 1937-7-31 665 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-243  Helianthus annuus subsp. lenticularis John C. Roos 1951-9-19 5229 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-2436  Bowlesia incana John C. Roos 1941-5-6 156 San Bernardino Loma Linda Hills Comment
  CLARK-A1528-2441  Arenaria douglasii John C. Roos 1937-7-22 641 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2448  Arenaria macradenia var. parishiorum John C. Roos 1937-4-25 2104 San Bernardino Providence Mountains Comment
  CLARK-A1528-2482  Stellaria longipes John C. Roos 1937-7-21 379 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2485  Stellaria jamesiana John C. Roos 1950-6-24 4839 San Bernardino San Bernardino Mountains 2224 Comment
  CLARK-A1528-2493  Forsellesia nevadensis John C. Roos 1949-6-19 4402 San Bernardino Clark Mountain Range 1950 Comment
  CLARK-A1528-2507  Atriplex spinifera John C. Roos 1965-9-18 San Bernardino Mojave Desert Comment
  CLARK-A1528-2509  Atriplex torreyi John C. Roos 1950-8-8 San Bernardino Oro Grande Comment
  CLARK-A1528-2511  Atriplex truncata John C. Roos 1950-6-3 4823 San Bernardino Lucerne Valley 883 Comment
  CLARK-A1528-2518  Atriplex argentea subsp. expansa John C. Roos 1951-9-15 5209 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-252  Lactuca serriola John C. Roos 1951-9-15 5204 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-2528  Atriplex lentiformis John C. Roos, Lucille Roos 1954-10-2 6252 San Bernardino San Bernardino Comment
  CLARK-A1528-253  Lactuca serriola f. integrifolia John C. Roos 1951-9-15 5203 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-2534  Atriplex argentea subsp. expansa John C. Roos 1946-9-21 3061 San Bernardino Lucerne Valley 914 Comment
  CLARK-A1528-2541  Atriplex canescens var. laciniata John C. Roos 1965-9-22 San Bernardino Barstow Comment
  CLARK-A1528-2548  Atriplex polycarpa John C. Roos 1965-7-6 San Bernardino Victorville Comment
  CLARK-A1528-2551  Bassia hyssopifolia John C. Roos 1946-9-21 3060 San Bernardino Lucerne Valley Comment
  CLARK-A1528-2554  Chenopodium album John C. Roos 1965-7-4 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-2558  Chenopodium californicum John C. Roos 1952-4-16 5560 San Bernardino Pigeon Pass 365 Comment
  CLARK-A1528-2564  Chenopodium incanum John C. Roos 1950-9-1 4960 San Bernardino Clark Mountains 1645 Comment
  CLARK-A1528-2571  Chenopodium pumilio John C. Roos 1937-7-14 San Bernardino Santa Ana River Comment
  CLARK-A1528-2589  Monolepis nuttalliana John C. Roos 1954-3-25 6047 San Bernardino Mojave Desert Comment
  CLARK-A1528-2597  Salsola iberica John C. Roos 1965-7-5 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-2602  Suaeda fruticosa Alfred R. Roos 1947-7-22 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-2609  Calystegia sepium var. communis John C. Roos, Alfred R. Roos 1950-8-7 4919 San Bernardino China Ranch 396 Comment
  CLARK-A1528-262  Lepidospartum squamatum John C. Roos 1951-10-14 5321 San Bernardino San Bernardino 304 Comment
  CLARK-A1528-2621  Dudleya cymosa John C. Roos 1948-6-26 3895 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2626  Athyrium filix-femina var. californicum John C. Roos 1937-7-31 1968 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2638  Euphorbia setiloba John C. Roos 1950-9-1 4962 San Bernardino Clark Mountain Range 1645 Comment
  CLARK-A1528-2641  Euphorbia peplus John C. Roos 1965-6-20 San Bernardino Loma Linda Comment
  CLARK-A1528-2674  Ephedra viridis John C. Roos 1950-8-4 San Bernardino Clark Mountain Comment
  CLARK-A1528-2678  Arctostaphylos pungens John C. Roos 1949-6-21 4435 San Bernardino New York Mountains 2133 Comment
  CLARK-A1528-2682  Pyrola minor John C. Roos 1937-7-22 1169 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2690  Croton californicus var. mohavensis John C. Roos 1937-8-25 2022 San Bernardino Comment
  CLARK-A1528-2695  Eremocarpus setiger John C. Roos 1940-8-27 San Bernardino Loma Linda Comment
  CLARK-A1528-2699  Euphorbia fendleri John C. Roos 1949-5-28 4359 San Bernardino Clark Mountain Range 1828 Comment
  CLARK-A1528-2706  Euphorbia revoluta John C. Roos 1950-8-4 San Bernardino Clark Mountain Range Comment
  CLARK-A1528-2712  Stillingia linearifolia John C. Roos 1947-2-20 3271 San Bernardino Loma Linda Comment
  CLARK-A1528-2713  Stillingia paucidentata John C. Roos 1937-5-30 1544 San Bernardino Kramer Junction Comment
  CLARK-A1528-2717  Tragia ramosa John C. Roos 1950-9-3 4978 San Bernardino Clark Mountain Range 1859 Comment
  CLARK-A1528-2725  Amorpha californica John C. Roos 1948-6-13 3875 San Bernardino San Gabriel Mountains Comment
  CLARK-A1528-2733  Astragalus coccineus John C. Roos 1941-4-5 186 San Bernardino Little San Bernardino Mountains Comment
  CLARK-A1528-2739  Astragalus didymocarpus var. dispermus John C. Roos 1937-4-25 2102 San Bernardino Essex Comment
  CLARK-A1528-2749  Astragalus lentiginosus John C. Roos 1949-4-9 4211 San Bernardino Ward Valley 243 Comment
  CLARK-A1528-2755  Astragalus pomonensis John C. Roos 1965-6-27 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-2757  Astragalus purshii John C. Roos 1967-5-30 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2781  Glycyrrhiza lepidota John C. Roos 1965-6-16 San Bernardino Victorville 914 Comment
  CLARK-A1528-2788  Cucurbita foetidissima John C. Roos 1952-6-13 5764 San Bernardino Reche Canyon 365 Comment
  CLARK-A1528-2796  Lotus corniculatus Alfred R. Roos 1961-7-5 San Bernardino Loma Linda Comment
  CLARK-A1528-2798  Lotus grandiflorus John C. Roos 1937-5-28 1687 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2801  Lotus nevadensis John C. Roos 1947-6-27 3714 San Bernardino San Bernardino Mountains 1767 Comment
  CLARK-A1528-2813  Lotus nevadensis John C. Roos 1965-6-26 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2823  Lupinus breweri var. grandiflorus John C. Roos 1965-7-18 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2832  Lupinus excubitus John C. Roos 1947-2-22 3290 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2833  Lupinus flavoculatus John C. Roos 1949-6-20 4415 San Bernardino Little San Bernardino Mountains 1676 Comment
  CLARK-A1528-2835  Lupinus formosus John C. Roos 1937-5-9 San Bernardino Oak Glen Comment
  CLARK-A1528-2865  Oxytropis oreophila John C. Roos 1941-8-27 38 ? San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2869  Prosopis glandulosa var. torreyana John C. Roos 1946-9-2 2985 San Bernardino San Timoteo Canyon Comment
  CLARK-A1528-2873  Psoralea castorea John C. Roos 1952-5-10 5642 San Bernardino 822 Comment
  CLARK-A1528-2884  Trifolium microcephalum John C. Roos 1937-5-28 1689 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2886  Trifolium monanthum subsp. grantianum John C. Roos 1937-7-21 2362 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2891  Trifolium variegatum John C. Roos 1937-4-26 1693 San Bernardino Providence Mountains Comment
  CLARK-A1528-2907  Quercus wislizeni var. frutescens John C. Roos 1947-4-26 3597 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2909  Quercus wislizeni var. frutescens John C. Roos 1940-5-11 850 San Bernardino San Bernardino Mountains 1219 Comment
  CLARK-A1528-2911  Quercus wislizeni var. frutescens John C. Roos 1946-9-4 2946 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2926  Quercus kelloggii John C. Roos 1946-9-15 3013 San Bernardino San Bernardino Mountains 2224 Comment
  CLARK-A1528-2938  Garrya flavescens John C. Roos 1950-2-17 San Bernardino Yucaipa Comment
  CLARK-A1528-2961  Geranium carolinianum John C. Roos 1943-4-27 2630 San Bernardino Comment
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Dec 17 2016
  CLARK-A1528-2976  Hesperochiron californicus John C. Roos 1951-6-11 4269 San Bernardino Lucerne Valley 883 Comment
  CLARK-A1528-2982  Nama rothrockii John C. Roos 1937-7-28 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2992  Myriophyllum exalbescens John C. Roos 1952-6-24 San Bernardino San Bernardino Comment
  CLARK-A1528-3008  Phacelia lemmonii John C. Roos 1949-6-20 4422 San Bernardino New York Mountains 1737 Comment
  CLARK-A1528-3013  Phacelia perityloides var. jaegeri John C. Roos 1949-5-28 4367 San Bernardino Clark Mountain Range 1889 Comment
  CLARK-A1528-3057  Lupinus excubitus John C. Roos 1965-6-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3060  Amelanchier utahensis John C. Roos 1949-5-28 4349 San Bernardino Clark Mountain 1889 Comment
  CLARK-A1528-3062  Geum macrophyllum subsp. perincisum John C. Roos 1948-7-10 3922 San Bernardino San Bernardino Mountains 2133 Comment
  CLARK-A1528-3070  Rosa woodsii subsp. gratissima John C. Roos 1937-7-30 1973 San Bernardino San Bernardino Mountains 2133 Comment
  CLARK-A1528-3073  Cystopteris fragilis John C. Roos 1937-7-20 1991 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3079  Carex teneriformis John C. Roos 1949-8-13 4606 San Bernardino New York Mountains 1828 Comment
  CLARK-A1528-3098  Lamium amplexicaule John C. Roos 1952-2-25 5355 San Bernardino San Bernardino Valley 365 Comment
  CLARK-A1528-310  Xanthium spinosum John C. Roos 1951-9-24 5247 San Bernardino Loma Linda Comment
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Aug 20 2014
  CLARK-A1528-3101  Mentha arvensis John C. Roos 1940-7-21 1851 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3106  Salvia apiana John C. Roos 1965-6-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3125  Salvia pachyphylla John C. Roos 1949-6-27 4507 San Bernardino Kingston Mountains 2133 Comment
  CLARK-A1528-3129  Scutellaria austiniae John C. Roos 1965-7-17 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3132  Stachys albens John C. Roos 1937-7-10 1791 San Bernardino Reche Canyon Comment
  CLARK-A1528-3135  Agastache urticifolia John C. Roos 1946-8-31 2990 San Bernardino Oak Glen Comment
  CLARK-A1528-3137  Molucella laevis John C. Roos 1965-6-20 San Bernardino Loma Linda Comment
  CLARK-A1528-3139  Monardella exilis John C. Roos 1937-5-30 2056 San Bernardino Adelanto Comment
  CLARK-A1528-3142  Monardella linoides John C. Roos, Alfred R. Roos 1950-8-6 4913 San Bernardino Kingston Mountains 2163 Comment
  CLARK-A1528-3143  Monardella linoides subsp. stricta John C. Roos 1937-7-20 2367 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3155  Prunella vulgaris John C. Roos 1965-7-31 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3159  Mentzelia albicaulis John C. Roos 1937-4-23 545 San Bernardino Twentynine Palms Comment
  CLARK-A1528-3160  Mentzelia albicaulis John C. Roos 1937-4-25 544 San Bernardino Mojave Desert Comment
  CLARK-A1528-3163  Mentzelia dispersa John C. Roos 1947-6-14 3676 San Bernardino San Bernardino Mountains 1584 Comment
  CLARK-A1528-3167  Mentzelia longiloba John C. Roos 1949-5-29 4373 San Bernardino Clark Mountain Range 1219 Comment
  CLARK-A1528-3169  Mentzelia oreophila John C. Roos 1950-8-4 San Bernardino Clark Mountain Comment
  CLARK-A1528-3181  Umbellularia californica John C. Roos 1965-12-11 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3188  Calochortus invenustus John C. Roos 1950-6-24 4841 San Bernardino San Bernardino Mountains 2224 Comment
  CLARK-A1528-3204  Zigadenus brevibracteatus John C. Roos 1937-5-30 637 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3213  Lythrum californicum John C. Roos 1952-6-24 5787 San Bernardino San Bernardino 304 Comment
  CLARK-A1528-3220  Eremalche exilis John C. Roos 1965-6-16 San Bernardino Adelanto Comment
  CLARK-A1528-3235  Malacothamnus orbiculatus John C. Roos 1946-9-21 3048 San Bernardino San Bernardino Mountains 1828 Comment
  CLARK-A1528-3242  Sidalcea neomexicana var. parviflora John C. Roos 1949-4-30 4267 San Bernardino Lucerne Valley 883 Comment
  CLARK-A1528-3253  Eucalyptus rudis John C. Roos 1947-12-29 San Bernardino Redlands Comment
  CLARK-A1528-3260  Allionia incarnata John C. Roos 1950-9-1 4952 San Bernardino Valley Wells 1127 Comment
  CLARK-A1528-3262  Allionia incarnata John C. Roos 1937-4-25 2103 San Bernardino Essex Comment
  CLARK-A1528-3273  Boerhavia wrightii John C. Roos 1950-8-4 San Bernardino Clark Mountain Range Comment
  CLARK-A1528-3279  Mirabilis froebelii John C. Roos 1949-5-29 4379 San Bernardino Clark Mountains Comment
  CLARK-A1528-3281  Oxybaphus pumilus John C. Roos 1967-9-30 San Bernardino 1828 Comment
  CLARK-A1528-3284  Oxybaphus coccineus John C. Roos 1949-6-20 3546 San Bernardino Kokoweed Peak 1523 Comment
  CLARK-A1528-3301  Gaura sinuata John C. Roos 1949-10-8 4689 San Bernardino Jurupa Hills 304 Comment
  CLARK-A1528-3304  Ludwigia repens John C. Roos 1965-9-15 San Bernardino Victorville Comment
  CLARK-A1528-3312  Zauschneria californica subsp. latifolia John C. Roos 1949-6-27 4505 San Bernardino Kingston Mountains 1676 Comment
  CLARK-A1528-3330  Camissonia kernensis subsp. gilmanii John C. Roos 1952-4-22 5568 San Bernardino 304 Comment
  CLARK-A1528-3332  Gayophytum diffusum subsp. parviflorum John C. Roos 1947-8-9 3736 San Bernardino Bluff Lake Comment
  CLARK-A1528-3335  Camissonia refracta John C. Roos 1937-4-28 789 San Bernardino Needles Comment
  CLARK-A1528-3337  Clarkia dudleyana John C. Roos 1948-6-26 3892 San Bernardino City Creek Comment
  CLARK-A1528-3339  Epilobium brevistylum John C. Roos 1965-7-18 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3340  Epilobium angustifolium John C. Roos 1937-7-22 1164 San Bernardino Mount San Gorgonio Comment
  CLARK-A1528-3347  Oenothera californica John C. Roos 1937-5-19 2058 San Bernardino Comment
  CLARK-A1528-3353  Zauschneria californica subsp. latifolia John C. Roos 1936-8-15 571 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3360  Camissonia strigulosa John C. Roos 1949-4-18 4287 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-3375  Corallorhiza maculata John C. Roos 1965-7-31 San Bernardino San Bernardino Mountains 2133 Comment
  CLARK-A1528-3379  Epipactis gigantea John C. Roos 1965-9-11 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3381  Habenaria elegans John C. Roos 1937-7-31 2350 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3384  Habenaria leucostachys John C. Roos 1967-7-8 San Bernardino San Bernardino Mountains 2499 Comment
  CLARK-A1528-3386  Habenaria sparsiflora John C. Roos 1964-8-1 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3388  Spiranthes porrifolia John C. Roos 1947-8-9 3735 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3400  Proboscidea parviflora John C. Roos 1959-8-5 San Bernardino Loma Linda Comment
  CLARK-A1528-3407  Canbya candida John C. Roos 1958-4-19 San Bernardino Hesperia Comment
  CLARK-A1528-341  Arabis parishii John C. Roos 1970-5-23 San Bernardino San Bernardino Mountains 2773 Comment
  CLARK-A1528-3438  Linanthus aureus John C. Roos 1949-6-23 4469 San Bernardino New York Mountains Comment
  CLARK-A1528-3444  Microsteris gracilis John C. Roos 1966-4-9 San Bernardino San Bernardino Mountains 2057 Comment
  CLARK-A1528-3448  Navarretia atractyloides John C. Roos 1952-6-14 5769 San Bernardino Yucaipa 914 Comment
  CLARK-A1528-3464  Linanthus breviculus John C. Roos 1965-6-26 San Bernardino Fish Creek Comment
  CLARK-A1528-3478  Linanthus nuttallii John C. Roos 1937-7-20 2365 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3480  Linanthus nuttallii John C. Roos 1965-6-26 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3485  Linanthus parryae John C. Roos, Lucille Roos 1952-5-10 5645 San Bernardino Adelanto 914 Comment
  CLARK-A1528-3487  Microsteris gracilis John C. Roos 1967-5-30 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3514  Gilia sinuata John C. Roos, Lucille Roos 1949-6-27 4516 San Bernardino Kingston Mountains 2072 Comment
  CLARK-A1528-3524  Ipomopsis aggregata John C. Roos 1948-9-18 4065 San Bernardino 1737 Comment
  CLARK-A1528-3528  Ipomopsis polycladon John C. Roos 1949-6-18 4394 San Bernardino Mountain Pass 1523 Comment
  CLARK-A1528-3531  Leptodactylon pungens John C. Roos 1949-6-24 4474 San Bernardino Clark Mountain 2407 Comment
  CLARK-A1528-3536  Langloisia setosissima John C. Roos 1937-4-28 1654 San Bernardino Turtle Mountains Comment
  CLARK-A1528-3544  Abies concolor John C. Roos, Alfred R. Roos 1950-8-6 4911 San Bernardino Kingston Range 2133 Comment
  CLARK-A1528-3548  Pinus coulteri John C. Roos 1965-7-17 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3556  Pinus monophylla John C. Roos 1950-8-4 San Bernardino Clark Mountain Comment
  CLARK-A1528-3558  Pinus monophylla John C. Roos 1948-9-18 4072 San Bernardino Clark Mountain 1737 Comment
  CLARK-A1528-3561  Pinus contorta subsp. murrayana John C. Roos 1965-7-17 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3568  Notholaena sinuata var. cochisensis John C. Roos 1949-5-29 3532 San Bernardino Clark Mountain 1462 Comment
  CLARK-A1528-3574  Cryptogramma crispa subsp. acrostichoides John C. Roos 1946-9-15 3040 San Bernardino San Bernardino Mountains 3002 Comment
  CLARK-A1528-3595  Polygala acanthoclada John C. Roos 1949-6-22 4453 San Bernardino New York Mountains 1737-1829 Comment
  CLARK-A1528-3644  Eriogonum davidsonii John C. Roos 1937-5-31 1820 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3651  Eriogonum heermannii subsp. argense John C. Roos 1946-9-21 3078 San Bernardino 1523 Comment
  CLARK-A1528-3664  Eriogonum kennedyi var. alpigenum John C. Roos 1946-9-4 2962 San Bernardino San Bernardino Mountains 3352 Comment
  CLARK-A1528-3668  Eriogonum microthecum var. corymbosoides John C. Roos 1941-10-18 859 San Bernardino Bear Valley 2651 Comment
  CLARK-A1528-3674  Eriogonum nidularium John C. Roos 1965-6-16 San Bernardino Comment
  CLARK-A1528-3683  Eriogonum parishii John C. Roos 1966-8-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3685  Eriogonum parishii John C. Roos 1940-8-10 1844 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3687  Eriogonum parishii John C. Roos 1937-7-20 2413 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3692  Eriogonum plumatella John C. Roos 1965-7-21 San Bernardino Victorville Comment
  CLARK-A1528-3699  Eriogonum reniforme John C. Roos 1937-4-25 2101 San Bernardino Essex Comment
  CLARK-A1528-370  Stanleya pinnata subsp. pinnata John C. Roos 1971-4-26 San Bernardino Joshua Tree National Park 609 Comment
  CLARK-A1528-3725  Eriogonum wrightii subsp. subscaposum John C. Roos 1937-7-15 386 San Bernardino San Gabriel Mountains Comment
  CLARK-A1528-3735  Eriogonum fasciculatum John C. Roos 1965-6-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3740  Eriogonum heermannii var. argense John C. Roos, R. Weatherby 1949-9-2 3575 San Bernardino Kingston Range 1920-2073 Comment
  CLARK-A1528-3745  Eriogonum pusillum John C. Roos 1941-4-5 197 San Bernardino Dry Morongo Canyon Comment
  CLARK-A1528-3749  Nemacladus rubescens John C. Roos 1937-4-24 1797 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3757  Oxytheca parishii John C. Roos 1965-7-17 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3759  Oxytheca parishii John C. Roos 1940-8-10 1845 San Bernardino Comment
  CLARK-A1528-3760  Oxytheca parishii John C. Roos, Lucille Roos 1950-9-23 4991 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3762  Oxytheca perfoliata John C. Roos 1937-5-30 2054 San Bernardino Comment
  CLARK-A1528-3765  Oxytheca trilobata John C. Roos, Lucille Roos 1956-7-21 6588 San Bernardino Deer Lick Springs Comment
  CLARK-A1528-3779  Polygonum bistortoides John C. Roos 1937-7-28 2353 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3784  Polygonum douglasii John C. Roos 1940-7-16 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3791  Polygonum punctatum John C. Roos 1937-8-23 1784 San Bernardino Snow Creek Comment
  CLARK-A1528-3819  Calyptridium umbellatum John C. Roos 1937-7-17 2416 San Bernardino San Gabriel Mountains 2682 Comment
  CLARK-A1528-3820  Calyptridium umbellatum John C. Roos 1936-5-9 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3822  Claytonia spathulata John C. Roos 1939-5-26 717 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3823  Claytonia perfoliata John C. Roos 1947-2-20 3270 San Bernardino Loma Linda Comment
  CLARK-A1528-3830  Lewisia rediviva subsp. minor John C. Roos 1967-6-30 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3843  Actaea rubra subsp. arguta John C. Roos 1937-7-21 2361 San Bernardino Lake Arrowhead Comment
  CLARK-A1528-3849  Clematis ligusticifolia John C. Roos 1966-8-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3850  Clematis ligusticifolia John C. Roos 1937-7-31 540 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3863  Delphinium parishii John C. Roos 1966-4-6 San Bernardino Mojave Desert Comment
  CLARK-A1528-3867  Myosurus cupulatus John C. Roos 1937-4-26 2127 San Bernardino Providence Mountains Comment
  CLARK-A1528-3869  Myosurus minimus subsp. apus John C. Roos 1950-4-6 4724 San Bernardino Rabbit Spring 883 Comment
  CLARK-A1528-3870  Ranunculus aquatilis var. capillaceus John C. Roos 1937-7-28 15 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3875  Ranunculus cymbalaria John C. Roos 1965-6-26 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3877  Ranunculus eschscholtzii var. oxynotus John C. Roos 1946-9-4 2948 San Bernardino San Gorgonio Ridge Comment
  CLARK-A1528-3879  Thalictrum fendleri John C. Roos 1937-7-22 2371 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3891  Ceanothus greggii subsp. perplexans John C. Roos 1941-6-5 111 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3905  Rhamnus californica John C. Roos 1968-9-21 San Bernardino San Bernardino Mountains 1219 Comment
  CLARK-A1528-392  Atriplex argentea subsp. expansa John C. Roos 1951-9-15 5209 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-3928  Langloisia matthewsii John C. Roos 1947-5-3 3655 San Bernardino San Gabriel Mountains 1828 Comment
  CLARK-A1528-3938  Polygala acanthoclada John C. Roos 1949-6-20 San Bernardino New York Mountains 1523 Comment
  CLARK-A1528-3944  Galium angustifolium John C. Roos 1937-5-2 1547 San Bernardino Reche Canyon Comment
  CLARK-A1528-3954  Galium parishii John C. Roos 1946-10-5 3120 San Bernardino Pipes Canyon Comment
  CLARK-A1528-3958  Galium triflorum John C. Roos 1937-7-21 1180 San Bernardino San Bernardino Mountains 1950 Comment
  CLARK-A1528-3964  Sherardia arvensis John C. Roos 1952-5-19 5684 San Bernardino Loma Linda Comment
  CLARK-A1528-3990  Fallugia paradoxa John C. Roos 1937-4-26 2113 San Bernardino Providence Mountains Comment
  CLARK-A1528-3992  Geum macrophyllum John C. Roos 1965-7-31 San Bernardino San Bernardino Mountains 2133 Comment
  CLARK-A1528-3995  Holodiscus microphyllus var. microphyllus John C. Roos 1949-9-2 4648 San Bernardino 2163 Comment
  CLARK-A1528-3997  Horkelia bolanderi John C. Roos 1965-7-18 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3999  Horkelia bolanderi subsp. parryi John C. Roos 1937-7-21 Roos No. 2374 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4003  Horkelia wilderae John C. Roos 1965-6-26 San Bernardino San Bernardino Mountains 2133 Comment
  CLARK-A1528-4005  Ivesia santolinoides John C. Roos 1947-6-21 Roos No. 3689 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4011  Holodiscus discolor John C. Roos 1949-6-27 4518 San Bernardino Kingston Range 1829-2134 Comment
  CLARK-A1528-402  Atriplex polycarpa John C. Roos 1951-9-15 5208 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-4024  Potentilla wheeleri John C. Roos 1937-7-23 1184 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-403  Bassia hyssopifolia John C. Roos 1951-9-15 5206 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-4038  Rosa californica John C. Roos 1968-9-21 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4048  Galium angustifolium John C. Roos 1937-7-20 485 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4058  Salix lasiandra var. lancifolia John C. Roos 1952-3-24 5410 San Bernardino Santa Ana River Comment
  CLARK-A1528-4061  Populus tremuloides John C. Roos 1967-7-8 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4064  Populus trichocarpa John C. Roos 1946-9-28 3095 San Bernardino San Bernardino Mountains 2255 Comment
  CLARK-A1528-4066  Populus tremuloides John C. Roos 1967-7-8 San Bernardino San Bernardino Mountains 2133 Comment
  CLARK-A1528-4071  Azolla filiculoides John C. Roos 1947-2-27 3269 San Bernardino Colton Comment
  CLARK-A1528-4078  Selaginella watsonii John C. Roos 1946-9-4 2947 San Bernardino San Bernardino Mountains 3352 Comment
  CLARK-A1528-4085  Styrax officinalis John C. Roos 1959-5-16 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4090  Heuchera abramsii John C. Roos 1941-8-27 40 San Bernardino Greyback Ridge Comment
  CLARK-A1528-4097  Heuchera rubescens John C. Roos 1965-7-31 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4107  Lithophragma parviflorum John C. Roos 1965-6-26 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4109  Parnassia cirrata John C. Roos 1965-9-11 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4111  Parnassia palustris var. californica John C. Roos 1937-7-22 1166 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4126  Ribes cereum John C. Roos 1940-5-11 845 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4128  Ribes cereum John C. Roos 1965-6-26 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4136  Ribes montigenum John C. Roos 1946-9-4 2949 San Bernardino San Gorgonio Peak 3413 Comment
  CLARK-A1528-4138  Ribes montigenum John C. Roos 1943-7-4 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4141  Ribes nevadense John C. Roos 1940-5-11 843 San Bernardino San Bernardino Mountains 2042 Comment
  CLARK-A1528-4144  Ribes roezlii John C. Roos 1939-5-26 711 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4146  Ribes roezlii John C. Roos 1965-6-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4148  Ribes roezlii John C. Roos 1937-5-9 2089 San Bernardino Oak Glen Comment
  CLARK-A1528-4154  Ribes velutinum John C. Roos 1954-6-26 4503 San Bernardino California 1981 Comment
  CLARK-A1528-4158  Antirrhinum coulterianum John C. Roos 1965-6-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4182  Castilleja miniata John C. Roos 1940-7-16 1853 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4187  Collinsia childii John C. Roos, Lucille Roos 1953-6-18 5922 San Bernardino San Bernardino Mountains 1523 Comment
  CLARK-A1528-4189  Collinsia heterophylla var. austromontana John C. Roos 1956-5-26 6579 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4192  Collinsia heterophylla var. austromontana John C. Roos 1949-6-4 4384 San Bernardino Comment
  CLARK-A1528-4199  Cordylanthus nevinii John C. Roos 1942-8-22 1752 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4200  Cordylanthus nevinii John C. Roos 1965-9-11 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4211  Keckiella antirrhinoides John C. Roos 1965-6-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4228  Mimulus rubellus John C. Roos 1949-5-29 4377 San Bernardino Clark Mountain 1676 Comment
  CLARK-A1528-4238  Mimulus brevipes John C. Roos 1937-4-17 1379 San Bernardino San Timoteo Canyon Comment
  CLARK-A1528-4251  Mimulus guttatus John C. Roos 1949-6-23 4472 San Bernardino Rock Springs 1462 Comment
  CLARK-A1528-4256  Mimulus johnstonii John C. Roos 1937-7-15 2423 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4261  Mimulus palmeri John C. Roos 1937-5-24 2041 San Bernardino Deep Creek Comment
  CLARK-A1528-4268  Mimulus primuloides John C. Roos 1937-7-28 2352 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4276  Keckiella antirrhinoides subsp. microphylla John C. Roos 1949-6-27 4506 San Bernardino Kingston Range 1676 Comment
  CLARK-A1528-4289  Pedicularis semibarbata John C. Roos 1941-5-31 95 San Bernardino San Bernardino Mountains 2133 Comment
  CLARK-A1528-4290  Pedicularis semibarbata John C. Roos 1965-5-29 San Bernardino San Bernardino Mountains 1950 Comment
  CLARK-A1528-4297  Penstemon caesius John C. Roos 1937-7-22 1171 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4303  Penstemon grinnellii John C. Roos 1965-7-17 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4318  Penstemon spectabilis John C. Roos 1965-6-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4324  Verbascum thapsus John C. Roos 1968-9-28 San Bernardino San Bernardino Mountains 1981 Comment
  CLARK-A1528-4326  Veronica americana John C. Roos 1965-6-26 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4336  Veronica persica John C. Roos 1947-2-8 3231 San Bernardino San Bernardino County Hospital Comment
  CLARK-A1528-4338  Veronica persica John C. Roos 1947-2-8 3231 San Bernardino San Bernardino County Hospital Comment
  CLARK-A1528-4364  Physalis hederifolia John C. Roos 1937-4-26 800 San Bernardino Providence Mountains Comment
  CLARK-A1528-4368  Salpichroa origanifolia John C. Roos 1965-6-29 San Bernardino Bloomington Comment
  CLARK-A1528-4371  Solanum nigrum John C. Roos 1949-6-26 4500 San Bernardino Kingston Mountains 1450 Comment
  CLARK-A1528-4382  Celtis reticulata John C. Roos 1949-6-25 4493 San Bernardino Clark Mountain 1523 Comment
  CLARK-A1528-4383  Celtis reticulata John C. Roos 1962-8-4 San Bernardino Yucaipa 822 Comment
  CLARK-A1528-4385  Celtis reticulata John C. Roos 1962-10-29 San Bernardino Yucaipa Comment
  CLARK-A1528-4387  Hesperocnide tenella John C. Roos 1969-5-17 San Bernardino Loma Linda Hills 365 Comment
  CLARK-A1528-4395  Lippia lanceolata John C. Roos, Lucille Roos 1951-9-29 5306 San Bernardino Warm Creek 304 Comment
  CLARK-A1528-4397  Lippia nodiflora John C. Roos 1937-7-31 526 San Bernardino San Bernardino Comment
  CLARK-A1528-4404  Verbena lasiostachys John C. Roos 1937-8-23 529 San Bernardino Snow Creek Comment
  CLARK-A1528-4406  Viola adunca John C. Roos 1962-6-2 San Bernardino San Bernardino Mountains 2316 Comment
  CLARK-A1528-4410  Viola macloskeyi John C. Roos 1937-7-22 2369 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4413  Viola purpurea John C. Roos 1937-5-15 1189 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4419  Phoradendron juniperinum John C. Roos 1937-7-27 1967 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4439  Tribulus terrestris John C. Roos 1951-9-21 5232 San Bernardino Loma Linda 323 Comment
  CLARK-A1528-4442  Agropyron parishii John C. Roos 1939-6-16 914 San Bernardino Crestline 1523 Comment
  CLARK-A1528-4447  Agrostis scabra John C. Roos 1940-7-21 1850 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4449  Agrostis stolonifera var. major John C. Roos 1937-7-14 447 San Bernardino Santa Ana River Comment
  CLARK-A1528-4452  Alopecurus aequalis John C. Roos 1965-7-18 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4455  Andropogon glomeratus John C. Roos 1938-11-5 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4460  Aristida adscensionis John C. Roos 1937-6-26 San Bernardino Redlands Comment
  CLARK-A1528-4462  Aristida adscensionis John C. Roos 1951-1-20 5030 San Bernardino San Bernardino Mountains 609 Comment
  CLARK-A1528-4470  Aristida glauca John C. Roos 1937-4-27 554 San Bernardino Mojave Desert Comment
  CLARK-A1528-4473  Aristida longiseta var. robusta John C. Roos, Alfred R. Roos 1950-8-5 4906 San Bernardino Clark Mountain Range 1280 Comment
  CLARK-A1528-4510  Bouteloua barbata John C. Roos 1950-9-1 4950 San Bernardino Valley Well Station 1127 Comment
  CLARK-A1528-4515  Bouteloua curtipendula John C. Roos, Alfred R. Roos 1950-8-5 4901 San Bernardino Clark Mountains 1645 Comment
  CLARK-A1528-4517  Bouteloua curtipendula John C. Roos 1949-6-18 3551 San Bernardino Clark Mountain 1828 Comment
  CLARK-A1528-4519  Bouteloua eriopoda John C. Roos 1949-6-23 4462 San Bernardino Hackberry Mountain 1310 Comment
  CLARK-A1528-4522  Bouteloua eriopoda John C. Roos 1950-8-4 San Bernardino Clark Mountain Comment
  CLARK-A1528-4523  Bouteloua eriopoda John C. Roos 1937-8-25 436 San Bernardino New York Mountains Comment
  CLARK-A1528-4527  Bouteloua hirsuta John C. Roos 1949-6-18 3553 San Bernardino Clark Mountain 1828 Comment
  CLARK-A1528-4539  Bromus japonicus John C. Roos 1943-6-22 2711 San Bernardino San Bernardino County Hospital 304 Comment
  CLARK-A1528-4542  Bromus marginatus John C. Roos 1965-7-18 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4543  Bromus marginatus John C. Roos 1965-6-26 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4550  Bromus rubens John C. Roos 1965-6-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4573  Chloris virgata John C. Roos 1965-6-9 San Bernardino Barstow Comment
  CLARK-A1528-4577  Dactylis glomerata John C. Roos 1938-6-4 473 San Bernardino Loma Linda Comment
  CLARK-A1528-4579  Deschampsia cespitosa John C. Roos 1940-8-3 1554 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4581  Deschampsia danthonioides John C. Roos 1937-7-27 451 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4594  Echinochloa colona John C. Roos 1965-9-14 5202 San Bernardino Loma Linda 323 Comment
  CLARK-A1528-4598  Echinochloa crus-galli John C. Roos 1965-7-4 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-4612  Eragrostis mexicana Alfred R. Roos 1937-11-25 5218 San Bernardino Highland Comment
  CLARK-A1528-4617  Eriochloa acuminata John C. Roos 1951-8-4 5080 San Bernardino San Bernardino Valley 365 Comment
  CLARK-A1528-4620  Eriochloa acuminata John C. Roos 1939-9-16 San Bernardino Highland Comment
  CLARK-A1528-4623  Eriochloa acuminata John C. Roos 1937-9-5 6614 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-4625  Erioneuron pilosum John C. Roos 1949-5-28 3537 San Bernardino Clark Mountain 1646-1829 Comment
  CLARK-A1528-4627  Eragrostis barrelieri John C. Roos 1965-9-22 San Bernardino Barstow Comment
  CLARK-A1528-4629  Eragrostis cilianensis John C. Roos 1946-8-26 2932 San Bernardino Loma Linda Comment
  CLARK-A1528-4632  Eragrostis cilianensis John C. Roos, Alfred R. Roos 1950-8-5 4961 San Bernardino Clark Mountains 1645 Comment
  CLARK-A1528-4633  Eragrostis cilianensis John C. Roos 1951-9-17 5213 San Bernardino Loma Linda 320 Comment
  CLARK-A1528-4635  Eragrostis cilianensis John C. Roos 1937-11-12 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-4642  Eragrostis mexicana John C. Roos 1940-8-22 1608 San Bernardino Loma Linda Comment
  CLARK-A1528-4645  Festuca brachyphylla John C. Roos 1941-8-27 30 San Bernardino Mount San Gorgonio 3047 Comment
  CLARK-A1528-4647  Festuca brachyphylla John C. Roos 1946-9-4 2958 San Bernardino San Bernardino Mountains 2743 Comment
  CLARK-A1528-4650  Festuca californica subsp. parishii John C. Roos 1919-7-24 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4660  Festuca octoflora John C. Roos 1950-4-15 4737 San Bernardino San Timoteo Canyon Comment
  CLARK-A1528-4669  Festuca reflexa John C. Roos 1965-6-26 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4672  Festuca rubra John C. Roos 1965-7-31 San Bernardino San Bernardino Mountains 2285 Comment
  CLARK-A1528-4679  Hilaria jamesii John C. Roos 1949-5-29 3538 San Bernardino Clark Mountain 1676 Comment
  CLARK-A1528-4684  Holcus lanatus John C. Roos 1950-6-28 4847 San Bernardino San Bernardino Valley 323 Comment
  CLARK-A1528-4688  Hordeum californicum John C. Roos 1965-7-18 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4691  Hordeum jubatum John C. Roos 1949-5-14 4306 San Bernardino Lucerne Valley 883 Comment
  CLARK-A1528-4714  Leptochloa uninervia John C. Roos 1965-6-21 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-4721  Melica aristata John C. Roos 1941-7-19 116 San Bernardino San Bernardino Mountains 2224 Comment
  CLARK-A1528-4734  Melica stricta John C. Roos 1963-6-15 San Bernardino San Bernardino Mountains 2194 Comment
  CLARK-A1528-4738  Melica stricta John C. Roos 1943-7-4 2722 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4744  Muhlenbergia andina John C. Roos 1943-8-14 2706 San Bernardino San Bernardino Mountains 2224 Comment
  CLARK-A1528-4748  Muhlenbergia californica John C. Roos 1949-9-24 4666 San Bernardino San Bernardino Mountains 1920 Comment
  CLARK-A1528-4751  Muhlenbergia filiformis John C. Roos 1939-6-3 721 San Bernardino Santa Ana River Comment
  CLARK-A1528-4758  Muhlenbergia microsperma John C. Roos 1940-5-20 895 San Bernardino Reche Canyon Comment
  CLARK-A1528-4761  Muhlenbergia porteri John C. Roos 1950-8-4 San Bernardino Clark Mountain Comment
  CLARK-A1528-4768  Oryzopsis bloomeri John C. Roos 1946-9-28 3090 San Bernardino San Bernardino Mountains 0 Comment
  CLARK-A1528-4771  Oryzopsis hymenoides John C. Roos 1949-6-24 4480 San Bernardino Clark Mountain 2072 Comment
  CLARK-A1528-4780  Oryzopsis micrantha John C. Roos 1949-6-24 3543 San Bernardino Clark Mountain 1981 Comment
  CLARK-A1528-4785  Panicum miliaceum John C. Roos 1958-5-10 San Bernardino Loma Linda Comment
  CLARK-A1528-4789  Paspalum dilatatum John C. Roos 1949-11-16 4696 San Bernardino Loma Linda 323 Comment
  CLARK-A1528-4800  Phalaris minor John C. Roos 1938-4-26 San Bernardino Bryn Mawr Comment
  CLARK-A1528-4802  Phalaris minor John C. Roos 1953-5-13 5918 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-4803  Phalaris minor John C. Roos 1952-4-21 5564 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-4807  Phleum pratense John C. Roos 1965-7-18 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4809  Phleum pratense John C. Roos 1937-7-31 968 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4814  Poa annua John C. Roos 1952-2-27 5359 San Bernardino Loma Linda 335 Comment
  CLARK-A1528-4818  Poa bolanderi subsp. howellii John C. Roos 1939-6-24 918 San Bernardino Sawpit Canyon 1158 Comment
  CLARK-A1528-4821  Poa fendleriana John C. Roos 1943-7-4 2713 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4831  Poa pratensis John C. Roos 1940-8-17 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4846  Puccinellia parishii John C. Roos 1950-4-6 4722 San Bernardino Rabbit Spring 883 Comment
  CLARK-A1528-4858  Sanicula bipinnatifida John C. Roos 1937-4-17 1380 San Bernardino Redlands Comment
  CLARK-A1528-4861  Quercus kelloggii John C. Roos 1946-9-4 2945 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4864  Sarcostemma hirtellum John C. Roos 1937-4-27 553 San Bernardino Needles Comment
  CLARK-A1528-4882  Osmorhiza chilensis John C. Roos 1937-7-20 1175 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4883  Erigeron divergens John C. Roos 1937-7-20 1176 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4892  Hypochaeris radicata John C. Roos 1937-6-6 471 San Bernardino Loma Linda Comment
  CLARK-A1528-4899  Asclepias vestita John C. Roos 1949-4-30 4272 San Bernardino Lucerne Valley Comment
  CLARK-A1528-4904  Acer glabrum John C. Roos 1963-8-18 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4910  Triteleia laxa John C. Roos 1949-4-26 4249 San Bernardino Loma Linda Hills Comment
  CLARK-A1528-4922  Cerastium vulgatum John C. Roos 1937-3-8 1303 San Bernardino Loma Linda Comment
  CLARK-A1528-4927  Lotus scoparius John C. Roos 1937-5-28 2029 San Bernardino Mojave River 1005 Comment
  CLARK-A1528-4940  Artemisia bigelovii John C. Roos 1948-9-18 4059 San Bernardino Clark Mountain 1523 Comment
  CLARK-A1528-4945  Lupinus succulentus John C. Roos 1937-4-16 1386 San Bernardino Loma Linda Comment
  CLARK-A1528-4947  Medicago polymorpha John C. Roos 1948-4-17 3781 San Bernardino Loma Linda Comment
  CLARK-A1528-4952  Petradoria pumila subsp. pumila John C. Roos 1948-9-10 4066 San Bernardino Clark Mountain Comment
  CLARK-A1528-4959  Amaranthus blitoides John C. Roos 1949-6-23 4473 San Bernardino Lanfair Valley Comment
  CLARK-A1528-4960  Phacelia perityloides var. jaegeri John C. Roos 1949-6-24 4477 San Bernardino Clark Mountain 2346 Comment
  CLARK-A1528-4962  Erigeron uncialis John C. Roos 1949-6-24 4485 San Bernardino Clark Mountain 2255 Comment
  CLARK-A1528-4967  Phyllodoce breweri John C. Roos 1941-6-5 109 San Bernardino Mount San Gorgonio 2895 Comment
  CLARK-A1528-4972  Salvia dorrii John C. Roos 1965-5-20 San Bernardino Hesperia Comment
  CLARK-A1528-5005  Encelia frutescens John C. Roos 1947-1-24 3209 San Bernardino Mojave Desert Comment
  CLARK-A1528-5028  Setaria geniculata John C. Roos 1946-8-26 2931 San Bernardino Loma Linda Comment
  CLARK-A1528-5044  Sporobolus cryptandrus John C. Roos 1950-8-6 4909 San Bernardino Kingston Mountains 1523 Comment
  CLARK-A1528-5051  Sporobolus cryptandrus John C. Roos 1949-8-13 4619 San Bernardino New York Mountains 1828 Comment
  CLARK-A1528-5064  Hydrocotyle umbellata John C. Roos 1950-9-22 4990 San Bernardino Loma Linda 335 Comment
  CLARK-A1528-5066  Calocedrus decurrens John C. Roos 1965-6-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-5068  Astragalus lentiginosus var. sierrae John C. Roos 1937-7-23 1985 San Bernardino San Bernardino Mountains 2042 Comment
  CLARK-A1528-5071  Lupinus nanus John C. Roos 1937-4-17 511 San Bernardino Redlands Comment
  CLARK-A1528-5076  Phacelia pedicellata John C. Roos 1937-4-27 677 San Bernardino Comment
  CLARK-A1528-5085  Ceanothus tomentosus subsp. olivaceus John C. Roos 1966-3-31 San Bernardino San Timoteo Canyon 304 Comment
  CLARK-A1528-51  Cynodon dactylon John C. Roos 1951-10-2 5311 San Bernardino Loma Linda 320 Comment
  CLARK-A1528-5114  Nicotiana glauca John C. Roos 1965-6-27 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-512  Melilotus indicus John C. Roos 1951-9-19 5230 San Bernardino Loma Linda Comment
  CLARK-A1528-5126  Acamptopappus sphaerocephalus John C. Roos 1949-5-14 4302 San Bernardino San Bernardino Mountains 1097 Comment
  CLARK-A1528-5131  Asclepias asperula John C. Roos 1949-6-25 4490 San Bernardino Clark Mountain Range 1737 Comment
  CLARK-A1528-5151  Populus tremuloides John C. Roos 1946-9-28 3094 San Bernardino San Bernardino Mountains 2240 Comment
  CLARK-A1528-5178  Verbascum thapsus John C. Roos 1965-7-24 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-5183  Phoradendron macrophyllum John C. Roos 1965-12-11 San Bernardino San Bernardino Mountains 1097 Comment
  CLARK-A1528-5189  Sherardia arvensis John C. Roos 1948-4-21 3776 San Bernardino Loma Linda Comment
  CLARK-A1528-5199  Ribes roezlii John C. Roos 1947-4-12 3438 San Bernardino San Bernardino Mountains 1523 Comment
  CLARK-A1528-5209  Pityrogramma triangularis John C. Roos 1949-6-27 4521 San Bernardino Kingston Range 1645 Comment
  CLARK-A1528-5211  Heteromeles arbutifolia John C. Roos 1965-12-11 San Bernardino San Bernardino Mountains 1097 Comment
  CLARK-A1528-5216  Sedum spathulifolium John C. Roos 1937-7-15 2376 San Bernardino San Gabriel Mountains Comment
  CLARK-A1528-5236  Asclepias asperula John C. Roos 1948-9-18 4042 San Bernardino Clark Mountain Range Comment
  CLARK-A1528-5238  Chaetopappa aurea John C. Roos 1943-4-11 2609 San Bernardino Santa Ana River Comment
  CLARK-A1528-5244  Atriplex polycarpa John C. Roos 1948-9-19 San Bernardino Mojave Desert Comment
  CLARK-A1528-5251  Sisyrinchium bellum John C. Roos 1937-4-17 1382 San Bernardino Redlands Comment
  CLARK-A1528-5256  Sorghum halepense Alfred R. Roos 1937-11-15 5313 San Bernardino Loma Linda Comment
  CLARK-A1528-5264  Stipa lettermanii John C. Roos 1946-9-15 3030 San Bernardino San Bernardino Mountains 2316 Comment
  CLARK-A1528-5280  Tridens muticus John C. Roos 1949-5-29 3536 San Bernardino Clark Mountain 1737 Comment
  CLARK-A1528-5290  Stipa comata John C. Roos 1947-6-27 3726 San Bernardino San Bernardino Mountains 1981 Comment
  CLARK-A1528-5297  Stipa coronata John C. Roos 1940-8-17 1606 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-5300  Tridens muticus John C. Roos 1949-5-29 3535 San Bernardino Clark Mountain 1402 Comment
  CLARK-A1528-5302  Stipa lettermanii John C. Roos 1965-7-17 San Bernardino Barton Flats Comment
  CLARK-A1528-5303  Stipa coronata John C. Roos 1949-6-24 3544 San Bernardino Clark Mountain Comment
  CLARK-A1528-5307  Stipa coronata John C. Roos 1937-5-9 2094 San Bernardino Loma Linda Comment
  CLARK-A1528-5311  Stipa elmeri John C. Roos 1946-9-4 2960 San Bernardino San Bernardino Mountains 3413 Comment
  CLARK-A1528-5318  Spergularia marina John C. Roos 1947-5-10 3623 San Bernardino Loma Linda Comment
  CLARK-A1528-5326  Quercus chrysolepis John C. Roos 1965-10-2 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-5328  Quercus kelloggii John C. Roos 1965-10-2 San Bernardino Barton Flats Comment
  CLARK-A1528-5331  Quercus turbinella John C. Roos 1949-6-22 4452 San Bernardino New York Mountains 1737 Comment
  CLARK-A1528-5334  Parnassia cirrata John C. Roos 1946-9-4 2972 San Bernardino San Bernardino Mountains 2438 Comment
  CLARK-A1528-5336  Boerhavia torreyana John C. Roos 1950-9-2 4963 San Bernardino Mojave Desert 1615 Comment
  CLARK-A1528-5346  Salvia mellifera John C. Roos 1947-2-20 3278 San Bernardino Loma Linda Comment
  CLARK-A1528-5348  Salvia X bernardina John C. Roos, Lucille Roos 1951-10-3 5314 San Bernardino Loma Linda 320 Comment
  CLARK-A1528-5358  Ambrosia confertiflora John C. Roos 1949-10-12 4691 San Bernardino Loma Linda Comment
  CLARK-A1528-5361  Lamium amplexicaule John C. Roos 1952-2-25 5355 San Bernardino San Bernardino Valley 365 Comment
  CLARK-A1528-5404  Cressa truxillensis John C. Roos 1954-7-18 6202 San Bernardino Mojave Desert 60 Comment
  CLARK-A1528-5410  Atriplex torreyi John C. Roos 1950-8-8 San Bernardino Oro Grande Comment
  CLARK-A1528-5427  Lotus strigosus John C. Roos 1947-2-22 3280 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-5440  Monardella macrantha John C. Roos, Lucille Roos 1952-6-14 5770 San Bernardino San Bernardino Mountains 1158 Comment
  CLARK-A1528-5459  Chrysothamnus nauseosus John C. Roos 1950-10-11 5001 San Bernardino Cajon Pass 914 Comment
  CLARK-A1528-5460  Chrysothamnus nauseosus John C. Roos 1950-10-11 5005 San Bernardino Mojave Desert 914 Comment
  CLARK-A1528-5462  Chrysothamnus nauseosus John C. Roos, Lucille Roos 1950-10-17 5010 San Bernardino San Bernardino 320 Comment
  CLARK-A1528-5463  Chrysothamnus nauseosus John C. Roos, Lucille Roos 1950-10-17 5010 San Bernardino Little Pigeon Pass 320 Comment
  CLARK-A1528-5491  Eucalyptus rudis John C. Roos 1947-12-29 San Bernardino Redlands Comment
  CLARK-A1528-5494  Gaura sinuata John C. Roos 1949-10-8 4689 San Bernardino Jurupa Hills 304 Comment
  CLARK-A1528-5498  Artemisia californica John C. Roos 1966-1-2 San Bernardino Loma Linda Comment
  CLARK-A1528-5506  Brickellia desertorum John C. Roos 1957-10-19 6658 San Bernardino Loma Linda 438 Comment
  CLARK-A1528-5517  Encelia californica John C. Roos 1965-6-20 San Bernardino Ontario Comment
  CLARK-A1528-5522  Hymenoclea monogyra John C. Roos 1947-10-11 3747 San Bernardino Fontana Power Plant Comment
  CLARK-A1528-5523  Hymenoclea salsola John C. Roos 1965-6-7 San Bernardino Victorville Comment
  CLARK-A1528-5535  Setaria verticillata John C. Roos 1965-8-5 San Bernardino Loma Linda Comment
  CLARK-A1528-5537  Setaria viridis John C. Roos 1963-8-9 San Bernardino Loma Linda Comment
  CLARK-A1528-5539  Sitanion hystrix John C. Roos 1946-9-4 2956 San Bernardino San Bernardino Mountains 3383 Comment
  CLARK-A1528-5545  Stipa comata John C. Roos 1949-6-19 4396 San Bernardino Clark Mountain Range 1828 Comment
  CLARK-A1528-5549  Stipa lemmonii John C. Roos 1947-7-19 3729 San Bernardino San Bernardino Mountains 2194 Comment
  CLARK-A1528-5560  Loeflingia squarrosa John C. Roos 1937-7-14 501 San Bernardino Comment
  CLARK-A1528-5577  Muhlenbergia pauciflora John C. Roos 1948-9-18 4055 San Bernardino Clark Mountain 1523 Comment
  CLARK-A1528-5581  Eragrostis caroliniana John C. Roos 1937-7-10 446 San Bernardino Loma Linda Comment
  CLARK-A1528-5588  Poa nevadensis John C. Roos 1937-7-28 1951 San Bernardino San Bernardino Mountains 2194 Comment
  CLARK-A1528-5594  Muilla maritima John C. Roos 1937-6-25 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-5598  Rhus integrifolia John C. Roos 1950-2-25 4709 San Bernardino Santa Ana River 396 Comment
  CLARK-A1528-5612  Chrysothamnus paniculatus John C. Roos 1946-11-2 3152 San Bernardino Burn's Canyon 1219 Comment
  CLARK-A1528-5615  Erigeron aphanactis John C. Roos 1941-8-27 San Bernardino San Bernardino Mountains 3352 Comment
  CLARK-A1528-5619  Corethrogyne filaginifolia John C. Roos 1947-7-18 3730 San Bernardino Loma Linda Comment
  CLARK-A1528-5625  Gnaphalium californicum John C. Roos 1941-8-9 77 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-5642  Sisymbrium murale John C. Roos 1943-4-11 2603 San Bernardino San Bernardino County Hospital Comment
  CLARK-A1528-5650  Arenaria capillaris John C. Roos 1939-5-26 719 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-5653  Atriplex confertifolia John C. Roos 1937-3-1 San Bernardino Victorville Comment
  CLARK-A1528-5655  Atriplex canescens John C. Roos 1965-7-21 San Bernardino Victorville Comment
  CLARK-A1528-5659  Lactuca serriola f. integrifolia John C. Roos 1938-8-19 584 San Bernardino Loma Linda Comment
  CLARK-A1528-5662  Platanus racemosa John C. Roos 1965-6-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-5677  Quercus wislizeni var. frutescens John C. Roos 1968-9-21 San Bernardino San Bernardino Mountains 1219 Comment
  CLARK-A1528-5679  Quercus X morehus John C. Roos 1943-2-28 2591 San Bernardino San Bernardino Mountains 2072 Comment
  CLARK-A1528-5681  Garrya flavescens John C. Roos 1950-2-17 San Bernardino Yucaipa Comment
  CLARK-A1528-5694  Trichostema parishii John C. Roos 1965-6-6 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-5696  Lycopus americanus John C. Roos 1952-8-6 5883 San Bernardino San Bernardino 304 Comment
  CLARK-A1528-5702  Oxalis corniculata John C. Roos 1949-11-18 4697 San Bernardino San Bernardino Valley Comment
  CLARK-A1528-5705  Fraxinus anomala John C. Roos 1948-9-18 San Bernardino Clark Mountain Comment
  CLARK-A1528-571  Marrubium vulgare John C. Roos 1951-10-3 5315 San Bernardino Loma Linda 335 Comment
  CLARK-A1528-5738  Mimulus fremontii John C. Roos 1938-4-25 1616 San Bernardino Live Oak Canyon Comment
  CLARK-A1528-5744  Veronica persica John C. Roos 1943-4-1 2624 San Bernardino San Bernardino County Hospital Comment
  CLARK-A1528-5746  Solanum rostratum John C. Roos 1947-9-3 3742 San Bernardino Loma Linda 304 Comment
  CLARK-A1528-58  Eragrostis cilianensis John C. Roos 1951-9-17 5213 San Bernardino Loma Linda 320 Comment
  CLARK-A1528-590  Salvia X bernardina John C. Roos, Lucille Roos 1951-10-3 5314 San Bernardino Loma Linda 320 Comment
  CLARK-A1528-6884  Amaranthus deflexus John C. Roos 1965-6-20 3 San Bernardino Loma Linda Comment
  CLARK-A1528-6886  Atriplex elegans subsp. fasciculata John C. Roos 1965-7-6 San Bernardino Barstow Comment
  CLARK-A1528-693  Plantago hirtella subsp. galeottiana John C. Roos, Lucille Roos 1951-9-29 5309 San Bernardino San Bernardino 304 Comment
  CLARK-A1528-733  Eriogonum elongatum John C. Roos 1951-9-23 5236 San Bernardino Loma Linda Comment
  CLARK-A1528-7748  Sphaeralcea ambigua John C. Roos 1965-6-16 San Bernardino Adelanto Comment
  CLARK-A1528-7761  Acer glabrum John C. Roos 1959-6-20 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-7764  Euphorbia nutans John C. Roos, Lucille Roos 1951-7-28 5065 San Bernardino Redlands 365 Comment
  CLARK-A1528-7766  Euphorbia maculata John C. Roos, Lucille Roos 1951-7-28 5066 San Bernardino Redlands 365 Comment
  CLARK-A1528-7778  Asclepias californica John C. Roos 1965-7-24 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-7780  Asclepias californica John C. Roos 1965-7-24 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-7785  Brickellia oblongifolia var. linifolia John C. Roos 1946-10-5 3116 San Bernardino San Bernardino Mountains 2285 Comment
  CLARK-A1528-7790  Tetradymia canescens John C. Roos 1949-6-25 3560 San Bernardino Clark Mountain Range 1615 Comment
  CLARK-A1528-7797  Deschampsia danthonioides John C. Roos 1950-4-26 4762 San Bernardino Lucerne Valley 883 Comment
  CLARK-A1528-7800  Eragrostis mexicana John C. Roos 1950-5-16 4811 San Bernardino Highland 457 Comment
  CLARK-A1528-7802  Eragrostis mexicana John C. Roos 1950-5-16 4811 San Bernardino Highland 457 Comment
  CLARK-A1528-7821  Galium parishii John C. Roos, Lucille Roos 1949-6-27 4514 San Bernardino Kingston Range 1981 Comment
  CLARK-A1528-7841  Artemisia nova John C. Roos 1948-9-18 4069 San Bernardino Mojave Desert 1584 Comment
  CLARK-A1528-7846  Machaeranthera arida John C. Roos 1949-6-26 3561 San Bernardino Mesquite Valley 792 Comment
  CLARK-A1528-7856  Pectocarya linearis John C. Roos 1948-4-10 3785 San Bernardino Loma Linda Comment
  CLARK-A1528-7864  Arabis hirsuta John C. Roos 1949-7-16 4553 San Bernardino San Bernardino Mountains 2255 Comment
  CLARK-A1528-7866  Arabis repanda John C. Roos 1949-7-16 4556 San Bernardino San Bernardino Mountains 2255 Comment
  CLARK-A1528-7868  Eragrostis mexicana subsp. virescens John C. Roos 1951-8-4 5081 San Bernardino San Bernardino Valley 365 Comment
  CLARK-A1528-7880  Verbena lasiostachys John C. Roos 1965-9-11 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-7885  Eriogonum nidularium John C. Roos 1948-9-18 4053 San Bernardino Mojave Desert 1584 Comment
  CLARK-A1528-866  Mimulus guttatus John C. Roos 1951-9-24 5241 San Bernardino Loma Linda Comment
  CLARK-A1528-891  Physalis philadelphica John C. Roos 1951-9-15 5210 San Bernardino San Bernardino Comment
  CLARK-A1528-90  Setaria geniculata John C. Roos 1951-9-23 5240 San Bernardino Loma Linda Comment
  CLARK-A1528-906  Verbena scabra John C. Roos, Lucille Roos 1951-9-29 5307 San Bernardino San Bernardino 304 Comment
  CLARK-A1528-91  Setaria lutescens John C. Roos 1951-9-23 5239 San Bernardino Loma Linda Comment
  CLARK-A1528-913  Tribulus terrestris John C. Roos 1951-9-21 5232 San Bernardino Loma Linda 323 Comment
  CLARK-A1528-999  Mentha arvensis var. glabrata John C. Roos 1937-7-21 2008 San Bernardino San Bernardino Mountains Comment
  HSC78520  Poa secunda subsp. secunda J. C. Roos 1947-4-26 3594 San Bernardino Igo's Mill Creek Canyon. Comment
  HSC78566  Festuca pratensis J. C. Roos, L. Roos 1950-6-3 4825 San Bernardino Rabbit Springs, Mojave Desert. 884 Comment
  HSC78586  Arida carnosa J. C. Roos 1956-8-2 5691 San Bernardino N side of Hwy. 99, 0.2 miles West of Waterman Ave. Comment
  LA102164  Melica imperfecta John C. Roos; 1947-2-22 3285 San Bernardino San Bernardino Mountains, Deep Creek, N side of the mountains Comment
  LA102165  Stipa hymenoides John C. Roos; 1965-6-7 sn San Bernardino Victorville Comment
  LA102184  Bromus japonicus John C. Roos; 1950-6-11 4830 San Bernardino Loma Linda, W central 304 Comment
  LA102187  Distichlis spicata John C. Roos; 1949-5-14 4309 San Bernardino Lucerne Valley, Rabbit Springs 883 Comment
  LA102191  Elymus stebbinsii John C. Roos; 1957-6-1 6612 San Bernardino Yucaipa ridge S of Mill Creek Public Camp Comment
  LA102200  Plagiobothrys parishii John C. Roos; 1950-4-26 4767 San Bernardino Lucerne Valley, Rabbit Springs 883 Comment
  LA102211  Poa secunda John C. Roos; 1947-4-26 3694 San Bernardino San Bernardino Mountains, Mill Creek Canyon, near Igo's Comment
  LA102232  Eriogonum baileyi var. baileyi John C. Roos; 1965-10-17 sn San Bernardino at Phelan rd., S of Victorville Comment
  LA102248  Romneya coulteri John C. Roos; 1952-6-8 sn San Bernardino San Timoteo Canyon, S. of Redlands 457 Comment
  LA102251  Phlox austromontana John C. Roos; 1949-7-23 4580 San Bernardino San Bernardino Mountains, Holcomb Valley Comment
  LA102252  Phlox dolichantha John C. Roos; 1965-7-18 sn San Bernardino San Bernardino Mountain, Moonridge, Bear Valley Comment
  LA102265  Gutierrezia californica John C. Roos; 1951-9-23 5238 San Bernardino Reche Canyon, mouth of canyon 304 Comment
  LA102271  Brickellia californica John C. Roos; 1946-10-5 3115 San Bernardino San Bernardino Mountains, Pipes Creek 2103 Comment
  LA102298  Quercus turbinella John C. Roos; 1949-8-13 4621 San Bernardino New York Mountains, Keystone Canyon, near Copper Queen Mine 1828 Comment
  LA102330  Atriplex confertifolia John C. Roos; 1949-5-14 4307 San Bernardino Rabbit Spring, Lucerne Valley Comment
  LA102341  Atriplex canescens var. linearis John C. Roos; 1965-10-17 sn San Bernardino 20 mi. W of Blythe Comment
  LA102369  Artemisia tridentata subsp. tridentata Alfred R. Roos; 1950-8-6 sn San Bernardino Kingston Range, N side of Kingston Range, pass on the road to Tecopa and slopes above 1523 Comment
  LA102383  Antennaria dimorpha John C. Roos; 1941-5-30 105 San Bernardino San Bernardino Mountains, Big Meadows; hill above Bar-Heart Ranch Comment
  NY785340  Ailanthus altissima J. C. Roos 1954-5-11 6117 San Bernardino Reche Canyon near mouth 365.8 Comment
  NY802603  Pediomelum castoreum J. C. Roos 1952-5-10 5642 San Bernardino 4 miles northwest of Adelanto, near Red Haven Mine 823 Comment
  OBI33203  Chenopodium incanum J. C. Roos 1965-6-16 s.n. San Bernardino 4 mi N of Adelanto, Mojave Desert Comment
  OBI45203  Eragrostis pectinacea John C. Roos 1940-9-14 231 a San Bernardino San Bernardino Valley, S of Bryn Mawr Comment
  POM251755  Mirabilis pumila J. C. Roos 1937-8-25 11 San Bernardino Mountain Pass, Ivanpah Mtns., eastern San Bernardino County. Comment
  POM261196  Raillardella argentea J. C. Roos 1941-8-27 34 San Bernardino San Gorgonio Ridge, San Bernardino Mountains 3476 Comment
  POM261199  Sibbaldia procumbens J. C. Roos 1941-8-27 29 San Bernardino Between Dry Lake and San Gorgonio Peak 3049 Comment
  POM261201  Poa fendleriana J. C. Roos 1941-5-30 104 San Bernardino Mouth of Coon Creek, San Bernardino Mts. Comment
  POM261203  Phyllodoce breweri J. C. Roos 1941-6-5 109 San Bernardino San Bernardino Mountains: Above Dollar Lake. 2896 Comment
  POM261208  Oxytropis oreophila J. C. Roos 1941-8-27 38 San Bernardino San Gorgonio Ridge 3476 Comment
  POM261408  Lithophragma tenellum J. C. Roos 1941-5-31 91 San Bernardino Fish Creek. 2287 Comment
  POM261417  Festuca brachyphylla J. C. Roos 1941-8-27 30 San Bernardino Between Dry Lake and San Gorgonio Peak 3049 Comment
  POM261418  Leucopoa kingii J. C. Roos 1941-6-5 112 San Bernardino Barton Flats, San Bernardino Mountains 1982 Comment
  POM262780  Ribes roezlii J. C. Roos 1939-5-26 711 San Bernardino Bluff Lake, San Bernardino Mountains 2287 Comment
  POM262783  Trichostema lanceolatum J. C. Roos 1940-9-1 243 San Bernardino San Bernardino Valley. Loma Linda. Comment
  POM262871  Atriplex canescens J. C. Roos 1940-10-26 221 San Bernardino Loma Linda Comment
  POM262873  Rhus ovata J. C. Roos 1941-3-22 219 San Bernardino Plateau in Reche Canyon. Comment
  POM262874  Draba cuneifolia var. integrifolia J. C. Roos 1941-3-15 216 San Bernardino Hills near Loma Linda Comment
  POM262878  Chrysothamnus nauseosus subsp. bernardinus J. C. Roos 1941-8-23 119 San Bernardino Mill Creek at falls, San Bernardino Mts Comment
  POM262882  Populus trichocarpa J. C. Roos 1936-8-15 563 San Bernardino Santa Ana Canyon. 1982 Comment
  POM262885  Drymocallis glandulosa J. C. Roos 1920-7-20 533 San Bernardino Glen Martin. Comment
  POM262900  Madia elegans subsp. wheeleri J. C. Roos 1939-5-26 718 San Bernardino Bear Valley, San Bernardino Mts. Comment
  POM262923  Simmondsia chinensis J. C. Roos 1941-4-5 184 San Bernardino Coyote Well. Comment
  POM262927  Arenaria lanuginosa subsp. saxosa J. C. Roos 1936-8-15 565 San Bernardino Upper Santa Ana Canyon. 1981 Comment
  POM262928  Aralia californica J. C. Roos 1937-7-15 383 San Bernardino Bonita Falls, Lytle Creek. Comment
  POM262942  Erigeron philadelphicus J. C. Roos 1941-4-26 146 San Bernardino Swamp S of San Bernardino. Comment
  POM262946  Helianthemum scoparium J. C. Roos 1941-2-1 226 San Bernardino Rocky mountain south of Reche Canyon Comment
  POM262949  Plagiobothrys nothofulvus J. C. Roos 1941-3-22 218 San Bernardino Reche Canyon. Comment
  POM262955  Pterostegia drymarioides J. C. Roos 1941-5-6 150 San Bernardino Hills at Loma Linda. Comment
  POM262956  Vulpia octoflora J. C. Roos 1941-5-6 147 San Bernardino Hills at Loma Linda. Comment
  POM262959  Calochortus splendens J. C. Roos 1941-5-6 135 San Bernardino Near Loma Linda. Comment
  POM262962  Salix scouleriana J. C. Roos 1939-5-26 723 San Bernardino Bluff Lake. Comment
  POM262965  Trifolium wormskioldii J. C. Roos 1941-4-26 144 San Bernardino Swamp S of San Bernardino. Comment
  POM262966  Mimulus brevipes J. C. Roos 1941-5-6 152 San Bernardino Hills at Loma Linda. Comment
  POM262969  Mirabilis laevis var. crassifolia J. C. Roos 1941-4-25 162 San Bernardino Reche Canyon, San Bernardino Valley Comment
  POM262972  Lithophragma affine subsp. mixtum J. C. Roos 1941-4-19 168 San Bernardino Reche Canyon. Comment
  POM262975  Orthocarpus purpurascens J. C. Roos 1941-4-10 173 San Bernardino Plateau in Reche Canyon. Comment
  POM262981  Phacelia campanularia subsp. vasiformis J. C. Roos 1941-4-5 183 San Bernardino Dry Morongo Canyon, Colorado Desert. Comment
  POM262992  Bromus orcuttianus var. hallii J. C. Roos 1937-7-20 362 San Bernardino Camp Angelus, San Bernardino Mountains. Comment
  POM262995  Amaranthus blitoides J. C. Roos 1940-9-14 232 San Bernardino Orchard south of Bryn Mawr. Comment
  POM263003  Muhlenbergia filiformis J. C. Roos 1939-6-3 721 San Bernardino South Fork Santa Ana 2043 Comment
  POM263007  Artemisia douglasiana J. C. Roos 1940-9-7 229 San Bernardino Santa Ana River bottom near Loma Linda. Comment
  POM263008  Hazardia squarrosa var. grindelioides J. C. Roos 1940-9-1 233 San Bernardino Cajon Pass, San Bernardino Mts. 701 Comment
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Jul 17 2014
  POM263011  Xanthium spinosum J. C. Roos 1940-11-1 236 San Bernardino Loma Linda, San Bernardino Valley Comment
  POM263018  Deschampsia elongata J. C. Roos 1937-7-22 407 San Bernardino South Fork Santa Ana River 2134 Comment
  POM263021  Deschampsia cespitosa subsp. cespitosa J. C. Roos 1937-7-22 406 San Bernardino South Fork Meadows, Santa Ana River 2439 Comment
  POM263045  Deschampsia danthonioides J. C. Roos 1937-7-27 451 San Bernardino Bear Valley, Boulder Bay, San Bernardino Mountains. Comment
  POM263049  Navarretia peninsularis J. C. Roos 1937-7-26 340 San Bernardino Bear Valley, Pine Knot. Comment
  POM263052  Eriogonum pusillum J. C. Roos 1941-4-5 197 San Bernardino Dry Morongo Canyon, Colorado Desert. Comment
  POM263056  Potamogeton illinoensis J. C. Roos 1937-5-29 50929 San Bernardino Along a flume on hillside, Deep Creek, N slope of San Bernardino Mts. Comment
  POM263062  Stellaria longipes J. C. Roos 1937-7-21 379 San Bernardino South Fork Camp 1982 Comment
  POM263066  Lupinus nanus subsp. nanus J. C. Roos 1937-4-17 511 San Bernardino Redlands. In Hills, Sunset Dr. Comment
  POM263075  Astragalus tricarinatus J. C. Roos 1937-4-23 490 San Bernardino Dry Morongo Canyon. Comment
  POM263076  Bahiopsis parishii J. C. Roos 1941-4-5 196 San Bernardino Dry Morongo Canyon, Colorado Desert. Comment
  POM263079  Lupinus concinnus subsp. orcuttii J. C. Roos 1937-4-23 685 San Bernardino 29 Palms, Mojave Desert Comment
  POM263080  Phoradendron californicum J. C. Roos 1937-4-26 523 San Bernardino Twenty-nine Palms Comment
  POM263087  Agrostis scabra J. C. Roos 1937-7-23 411 San Bernardino Big Meadows, Upper Santa Ana River, San Bernardino Mountains. 2073 Comment
  POM263088  Glyceria striata J. C. Roos 1937-7-29 413 San Bernardino Bluff Lake, San Bernardino Mountains. Comment
  POM263099  Athysanus pusillus J. C. Roos 1941-3-8 208 San Bernardino Reche Canyon, San Bernardino Valley. Comment
  POM263100  Plantago erecta J. C. Roos 1941-3-8 207 San Bernardino Reche Canyon. Comment
  POM263103  Polygonum kelloggii J. C. Roos 1937-7-27 327 San Bernardino Near Grout Bay, Bear Valley. Comment
  POM263104  Bouteloua gracilis J. C. Roos 1937-7-27 326 San Bernardino East end of Bear Valley, San Bernardino Mountains Comment
  POM263107  Ambrosia confertiflora J. C. Roos 1940-9-28 224 San Bernardino Loma Linda. Comment
  POM263108  Conyza canadensis J. C. Roos 1940-9-14 227 San Bernardino Loma Linda, San Bernardino Valley Comment
  POM263113  Danthonia californica var. americana J. C. Roos 1937-7-28 414 San Bernardino Bluff Lake, San Bernardino Mountains. Comment
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Jan 10 2015
  POM263117  Dactylis glomerata J. C. Roos 1938-6-4 473 San Bernardino Loma Linda, San Bernardino Valley. Comment
  POM263124  Koeleria macrantha J. C. Roos 1937-5-9 461 San Bernardino Near Loma Linda, San Bernardino Valley Comment
  POM263135  Phacelia minor J. C. Roos 1941-3-8 205 San Bernardino Reche Canyon. Comment
  POM263139  Veronica americana J. C. Roos 1936-8-15 577 San Bernardino Upper Santa Ana Canyon. 1982 Comment
  POM263145  Mahonia dictyota J. C. Roos 1941-2-1 204 San Bernardino Reche Canyon. Comment
  POM263166  Abronia nana var. covillei J. C. Roos 1937-7-27 328 San Bernardino East end of Bear Valley, San Bernardino Mountains Comment
  POM263169  Prunella vulgaris subsp. lanceolata J. C. Roos 1936-8-15 567 San Bernardino South Fork Camp: Upper Santa Ana River. Comment
  POM263172  Aristida ternipes var. hamulosa J. C. Roos 1937-7-20 366 San Bernardino Mentone. Comment
  POM263179  Agrostis pallens J. C. Roos 1937-7-29 416 San Bernardino Bluff Lake, San Bernardino Mountains. Comment
  POM263180  Poa pratensis J. C. Roos 1937-5-9 460 San Bernardino Loma Linda, San Bernardino Valley. Comment
  POM263181  Aristida purpurea var. nealleyi J. C. Roos 1937-4-27 554 San Bernardino Goffs, Mojave Desert. Comment
  POM263187  Eriogonum umbellatum var. minus J. C. Roos 1937-7-15 355 San Bernardino Stockton Flats 2134 Comment
  POM263188  Melica imperfecta J. C. Roos 1937-5-9 432 San Bernardino Oak Glen, San Bernardino Mountains. Comment
  POM263192  Eriochloa acuminata J. C. Roos 1937-9-5 438 San Bernardino Patton, San Bernadino Valley. Comment
  POM263242  Sanicula tuberosa J. C. Roos 1937-6-8 663 San Bernardino Crestline, San Bernardino Mountains. Comment
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Oct 7 2014
  POM263276  Calochortus invenustus J. C. Roos 1937-7-17 630 San Bernardino Near Telegraph Peak Comment
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Aug 18 2012
  POM263332  Allium peninsulare var. peninsulare J. C. Roos 1941-5-6 136 San Bernardino Near Loma Linda. Comment
  POM263407  Poa atropurpurea J. C. Roos 1939-5-26 714 San Bernardino Bluff Lake, near foot of trail to Castle Rock Comment
  POM263496  Festuca rubra J. C. Roos 1937-7-28 450 San Bernardino Bluff Lake, San Bernardino Mountains. Comment
  POM264149  Juncus bufonius J. C. Roos 1937-7-14 621 San Bernardino Near San Bernardino. Comment
  POM264159  Loeflingia squarrosa J. C. Roos 1937-7-19 501 San Bernardino Near San Bernardino. Comment
  POM264280  Phacelia ambigua J. C. Roos 1937-4-23 677 San Bernardino 29 Palms, Mojave Desert Comment
  POM264296  Oenanthe sarmentosa J. C. Roos 1937-7-31 665 San Bernardino Crestline, San Bernardino Mountains. Comment
  POM264308  Sagina saginoides J. C. Roos 1937-6-22 641 San Bernardino Near South Fork of Santa Ana River. Comment
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Oct 26 2013
  POM265662  Ranunculus uncinatus var. parviflorus J. C. Roos 1940-7-18 1869 San Bernardino Green Valley. Comment
  POM265669  Berberis dictyota J. C. Roos 1940-2-17 890 San Bernardino Reche Canyon, off San Bernardino Valley. Comment
  POM265680  Dudleya saxosa subsp. aloides J. C. Roos 1937-5-29 1790 San Bernardino Deep Creek, S edge of Mojave Desert Comment
  POM265754  Selaginella asprella J. C. Roos 1937-5-9 2090 San Bernardino Oak Glen, San Bernardino Mts 1524 Comment
  POM265771  Phacelia davidsonii J. C. Roos 1937-5-9 2091 San Bernardino Oak Glen, San Bernardino Mountains. Comment
  POM265808  Acer glabrum subsp. diffusum J. C. Roos 1940-5-11 837 San Bernardino Snow Canyon, off Mill Creek, San Bernardino Mts. 2073 Comment
  POM265810  Myriophyllum sibiricum J. C. Roos 1942-8-15 1754 San Bernardino Bear Lake, San Bernardino Mts. 2134 Comment
  POM265811  Elatine californica J. C. Roos 1937-7-27 1673 San Bernardino Boulder Bay, Bear Lake, San Bernardino Mts. Comment
  POM266282  Ericameria parishii J. C. Roos 1942-11-14 2582 San Bernardino Cedar Springs, N base of San Bernardino Mts. 1037 Comment
  POM266302  Ambrosia confertiflora J. C. Roos 1939-10-17 917 San Bernardino Loma Linda. Comment
  POM266312  Eriophyllum wallacei J. C. Roos 1940-5-25 1904 San Bernardino Near mouth of Santa Ana Canyon above Highlands. Comment
  POM266316  Helenium puberulum J. C. Roos 1937-7-11 2417 San Bernardino Reche Canyon. Comment
  POM266333  Festuca rubra J. C. Roos 1940-8-17 1595 San Bernardino South fork, Sana Ana River. 2256 Comment
  POM266337  Poa secunda J. C. Roos 1940-5-11 847 San Bernardino Mill Creek, San Bernardino Mts 1372 Comment
  POM266340  Poa secunda J. C. Roos 1942-5-1 1156 San Bernardino Hillside S of Quail Springs, Joshua Tree National Monument, San Bernardino County Comment
  POM266341  Poa howellii J. C. Roos 1939-6-24 918 San Bernardino Sawpit Canyon, near Cedar Spring, San Bernardino Mts. Comment
  POM266347  Quercus kelloggii J. C. Roos 1942-4-25 1072 San Bernardino Cedar Springs, north side of San Bernardino Mts. 1067 Comment
  POM266350  Quercus X morehus J. C. Roos 1942-4-25 1070 San Bernardino Cedar Springs, north side of San Bernardino Mts. 1067 Comment
  POM266367  Pyrrocoma uniflora var. gossypina J. C. Roos 1937-7-26 2472 San Bernardino Bear Valley, Pine Knot. Comment
  POM266373  Tetradymia comosa J. C. Roos 1940-6-24 1587 San Bernardino South of Loma Linda. Comment
  POM266491  Eragrostis mexicana subsp. virescens J. C. Roos 1937-6-26 1247 San Bernardino Redlands. In orchard. Comment
  POM266611  Phragmites australis J. C. Roos 1937-8-27 735 San Bernardino San Bernardino. Comment
  POM266613  Leptochloa fusca subsp. uninervia J. C. Roos 1937-7-31 2358 San Bernardino Santa Ana River near San Bernardino. Comment
  POM266618  Deschampsia cespitosa subsp. cespitosa J. C. Roos 1940-8-3 1554 San Bernardino Bear Valley, San Bernardino Mountains. 2134 Comment
  POM266632  Piperia transversa J. C. Roos 1937-7-31 2350 San Bernardino Crestline, San Bernardino Mountains. 1524 Comment
  POM274190  Artemisia rothrockii J. C. Roos 1946-8-29 2775 San Bernardino Bear Valley, Boulder Bay 2043 Comment
  POM274191  Artemisia biennis J. C. Roos 1946-8-29 2776 San Bernardino Eagle Point, Bear Valley. 2043 Comment
  POM274194  Aster frondosus J. C. Roos 1946-8-29 2780 San Bernardino Eagle Point, Bear Valley. 2043 Comment
  POM301520  Fraxinus velutina var. coriacea J. C. Roos 1937-5-29 830 San Bernardino Along a flume on hillside, Deep Creek, N slope of San Bernardino Mts. Comment
  POM301523  Apocynum sibiricum J. C. Roos 1937-7-27 963 San Bernardino shore of Baldwin Lake. 2165 Comment
  POM301532  Arctostaphylos pungens J. C. Roos 1942-4-25 1109 San Bernardino Cedar Springs, north side of San Bernardino Mts. 1067 Comment
  POM301694  Setaria parviflora J. C. Roos 1937-8-27 738 San Bernardino San Bernardino. Comment
  POM302483  Amorpha fruticosa J. C. Roos 1943-4-21 2634 San Bernardino Near mouth of Waterman canyon. Comment
  POM302484  Horkelia californica subsp. dissita J. C. Roos 1943-8-1 2696 San Bernardino Canyon behind Crestline 1524 Comment
  POM302487  Epilobium ciliatum subsp. glandulosum J. C. Roos 1943-7-31 2693 San Bernardino Kuffle Canyon, near Lake Arrowhead. San Bernardino Mountains. 1677 Comment
  POM302492  Euphorbia peplus J. C. Roos 1943-3-30 2623 San Bernardino County hospital, San Bernardino. Comment
  POM302499  Cardaria draba J. C. Roos 1943-4-4 2618 San Bernardino Waterman Ave., San Bernardino. Comment
  POM302503  Actaea rubra J. C. Roos 1943-7-31 2691 San Bernardino Kuffle Canyon, near Lake Arrowhead. San Bernardino Mountains. 1677 Comment
  POM302507  Eriogonum wrightii var. subscaposum J. C. Roos 1943-7-4 2721 San Bernardino Sugarloaf Peak, San Bernardino Mountains. 2988 Comment
  POM302508  Rumex hymenosepalus J. C. Roos 1943-4-11 2643 San Bernardino Air Depot, east of San Bernardino. Comment
  POM302511  Quercus X morehus J. C. Roos 1943-2-28 2591 San Bernardino Near north foot of Grayback trail, Barton Flats, San Bernardino Mts. 2073 Comment
  POM302513  Carex douglasii J. C. Roos 1943-10-16 2739 San Bernardino Little San Bernardino Mountains. 1524 Comment
  POM302517  Stephanomeria cichoriacea J. C. Roos 1943-7-27 2689 San Bernardino Mill Creek at Vivian Creek Comment
  POM302518  Acourtia microcephala J. C. Roos 1943-7-15 2734 San Bernardino San Timoteo Canyon, south of Redlands Comment
  POM302520  Pentachaeta aurea J. C. Roos 1943-4-11 2609 San Bernardino San Bernardino Valley Santa Ana River wash north of Redlands, at Pinney's Rock Crushing Plant. 366 Comment
  POM302521  Erigeron aphanactis var. congestus J. C. Roos 1943-7-4 2719 San Bernardino Sugarloaf Peak, San Bernardino Mountains. 2987 Comment
  POM302523  Galium hilendiae J. C. Roos 1943-5-23 2675 San Bernardino Little San Bernardino Mountains. 1524 Comment
  POM302524  Plantago subnuda J. C. Roos 1943-7-31 2686 San Bernardino Along irrigation ditch, between San Bernardino and Loma Linda Comment
  POM302532  Melica stricta J. C. Roos 1943-7-4 2722 San Bernardino Greenspot, north base of Sugarloaf Mountains Comment
  POM431202  Panicum capillare J. C. Roos 1965-9-15 s.n. San Bernardino Victorville. Comment
  POM431209  Imperata brevifolia J. C. Roos 1938-11-5 s.n. San Bernardino Arrowhead Hot Springs, south side of San Bernardino Mountains. Comment
  POM444679  Helianthus petiolaris J. C. Roos 1965-6-20 s.n. San Bernardino Ontario: Vineyard Comment
  RSA0008415  Erigeron parishii J. C. Roos 1947-6-21 3695 San Bernardino canyon above Cushenbury Springs. 1372 Comment
  RSA0101412  Nama californica J. C. Roos 1937-7-26 667 San Bernardino Bear Valley, near Pine Knot. Comment
  RSA155740  Ericameria parishii J. C. Roos 1955-9-3 6571 San Bernardino 2 miles W of Loma Linda. 335 Comment
  RSA171382  Ribes roezlii J. C. Roos 1963-8-17 s.n. San Bernardino Mill Creek, San Bernardino Mts. 2073 Comment
  RSA262784  Heliotropium curassavicum var. oculatum J. C. Roos 1940-8-22 244 San Bernardino Loma Linda Comment
  RSA262877  Ceanothus tomentosus var. olivaceus J. C. Roos 1941-3-8 213 San Bernardino Redlands, on Sunset Drive. Comment
  RSA262979  Salvia columbariae J. C. Roos 1941-4-19 179 San Bernardino Reche Canyon. Comment
  RSA264304  Lomatium dissectum var. multifidum J. C. Roos 1937-5-9 658 San Bernardino Oak Glen, San Bernardino Mountains. Comment
  RSA264417  Phacelia austromontana J. C. Roos 1937-7-17 672 San Bernardino Near Telegraph Peak Comment
  RSA301535  Mentha suaveolens J. C. Roos 1937-8-2 2271 San Bernardino irrigation ditch near Bryn Mawr, San Bernardino Valley, southern California Comment
  RSA309654  Poa secunda J. C. Roos 1947-4-26 3694 San Bernardino Igo's, Mill Creek Canyon, San Bernardino Mtns. Comment
  RSA314965  Eragrostis pectinacea J. C. Roos 1965-7-5 s.n. San Bernardino Loma Linda. Comment
  RSA314966  Eragrostis pectinacea J. C. Roos 1939-9-16 s.n. San Bernardino Mentone Comment
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Aug 10 2007
  RSA393252  Eriogonum gracile var. gracile A. R. Roos 1922-11-12 s.n. San Bernardino S of Loma Linda. Comment
  RSA40555  Quercus palmeri J. C. Roos 1947-3-8 3306 San Bernardino Near Deep Creek Public Camp, north base S.B. Mountains 915 Comment
  RSA40556  Achnatherum occidentale subsp. occidentale J. C. Roos 1946-9-4 3041 San Bernardino Rocky slopes W of Dollar Lake, San Bernardino Mts 2927 Comment
  RSA40559  Cuscuta indecora J. C. Roos 1946-10-5 3109 San Bernardino The Pipes, east side of San Bernardino Mountains. 1357 Comment
  RSA40560  Galium parishii J. C. Roos 1946-10-5 3120 San Bernardino The Pipes Creek, east side San Bernardino Mts. Comment
  RSA40568  Eriogonum heermannii var. argense J. C. Roos 1946-9-21 3078 San Bernardino Canyon south of Cushenbury Springs. 1524 Comment
  RSA41283  Boerhavia intermedia J. C. Roos 1937-8-25 13 San Bernardino Mountain Pass; Clarke Mountains Comment
  RSA41285  Horkelia californica subsp. dissita J. C. Roos 1937-7-31 8 San Bernardino Crestline, San Bernardino Mountains. Comment
  RSA41286  Poa atropurpurea J. C. Roos 1939-5-26 714 San Bernardino Bluff Lake, San Bernardino Mountains 2287 Comment
  RSA415964  Festuca rubra J. C. Roos, Steve Boyd 1965-7-31 s.n. San Bernardino South Fork Meadows, San Bernardino Mountains. 2287 Comment
  RSA425014  Nemophila pedunculata J. C. Roos 1950-6-24 4837 San Bernardino Moonridge, Bear Valley, San Bernardino Mtns. 2226 Comment
  RSA425018  Phacelia ramosissima var. latifolia J. C. Roos 1965-6-27 s.n. San Bernardino Loma Linda Hills. 305 Comment
  RSA425024  Ambrosia psilostachya A. R. Roos 1937-11-15 s.n. San Bernardino Loma Linda Comment
  RSA425027  Artemisia douglasiana A. R. Roos 1937-11-15 s.n. San Bernardino Loma Linda Comment
  RSA425028  Artemisia nova J. C. Roos 1950-8-4 s.n. San Bernardino North side of Clark Mountain, Eastern Mojave Desert Comment
  RSA44233  Machaeranthera arida J. C. Roos 1949-6-26 3561 San Bernardino Mesquite Valley, 2 mi S of Kingston 793 Comment
  RSA44239  Astrolepis cochisensis subsp. cochisensis J. C. Roos 1949-5-29 3532 San Bernardino North side of Clark Mountain 1463 Comment
  RSA44243  Antirrhinum kingii J. C. Roos 1949-5-29 3531 San Bernardino Steep north rock slide, north of Coloseum Mine, Clark Mountains 1768 Comment
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Feb 13 2011
  RSA44244  Acamptopappus shockleyi J. C. Roos 1949-5-29 3533 San Bernardino N base of Clark Mtns. 1341 Comment
  RSA44247  Astragalus minthorniae var. villosus J. C. Roos 1949-5-29 3540 San Bernardino Greene Mine, N side of Clark Mtn. 1585 Comment
  RSA44249  Tridens muticus J. C. Roos 1949-5-28 3536 San Bernardino Clark Mtn, Eastern Mojave Desert 1738 Comment
  RSA44253  Pleuraphis jamesii J. C. Roos 1949-5-29 3538 San Bernardino Clark Mountains: Coliseum Mine Comment
  RSA44257  Leymus salinus subsp. salinus J. C. Roos 1949-5-29 3539 San Bernardino Steep north rock slide, north of Coloseum Mine, Clark Mountains 1768 Comment
  RSA44260  Piptatherum micranthum J. C. Roos 1949-6-24 3543 San Bernardino canyon bottom, north slope of Clark Mountain, eastern Mojave Desert 1982 Comment
  RSA44261  Achnatherum parishii subsp. parishii J. C. Roos 1949-6-24 3544 San Bernardino Summit of Clark Mt, Eastern Mojave Desert Comment
  RSA44262  Sporobolus cryptandrus J. C. Roos 1949-6-18 3550 San Bernardino Southeastern base of Clark Mountain, eastern Mojave Desert. 1829 Comment
  RSA44268  Bouteloua curtipendula J. C. Roos 1949-6-18 3551 San Bernardino Southeastern base of Clark Mountain, eastern Mojave Desert. 1829 Comment
  RSA443540  Rupertia rigida J. C. Roos 1965-7-31 s.n. San Bernardino Barton Flats, Camp Oceola Comment
  RSA443543  Chorizanthe brevicornu J. C. Roos 1965-6-16 s.n. San Bernardino 4 miles N of Adelanto. Comment
  RSA443544  Chorizanthe rigida J. C. Roos 1965-6-16 s.n. San Bernardino 4 miles N of Adelanto. Comment
  RSA444477  Chamaesyce supina J. C. Roos 1965-7-28 s.n. San Bernardino Loma Linda: Garden in Loma Linda Comment
  RSA444485  Phacelia fremontii J. C. Roos 1950-4-26 4766 San Bernardino Rabbit Springs. 884 Comment
  RSA444665  Solanum douglasii J. C. Roos 1965-8-23 s.n. San Bernardino Loma Linda. Comment
  RSA444669  Viola purpurea subsp. purpurea J. C. Roos 1966-5-7 s.n. San Bernardino Barton Flats, San Bernardino Mts. Comment
  RSA444683  Viola macloskeyi J. C. Roos 1962-6-2 s.n. San Bernardino South Fork Santa Ana River. 2317 Comment
  RSA444790  Artemisia dracunculus J. C. Roos 1965-10-2 s.n. San Bernardino Camp Angelus. Comment
  RSA444793  Pectocarya setosa J. C. Roos 1952-5-17 5677 San Bernardino 8 miles west of Adelanto. 945 Comment
  RSA444798  Purshia stansburyana J. C. Roos 1950-8-4 s.n. San Bernardino N side of Clark Mountain, east Mojave Desert. Comment
  RSA444801  Eriochloa acuminata J. C. Roos 1957-6-20 6614 San Bernardino Loma Linda. 305 Comment
  RSA44858  Hymenoclea monogyra J. C. Roos 1947-10-11 3747 San Bernardino Fontana Power Plant; NorthWest of Rialto. Comment
  RSA44870  Oenothera laciniata J. C. Roos 1948-6-21 3885 San Bernardino Loma Linda Comment
  RSA44871  Mentzelia micrantha J. C. Roos 1948-6-26 3886 San Bernardino City Creek. 762 Comment
  RSA44890  Barbarea orthoceras J. C. Roos 1947-6-14 3673 San Bernardino in canyon behind Bowl, Crestline. 1524 Comment
  RSA44898  Achnatherum lemmonii var. lemmonii J. C. Roos 1947-7-19 3729 San Bernardino Dry slope under pines and firs, Vivian Creek, San Bernardino Mts. 2195 Comment
  RSA44905  Tauschia parishii J. C. Roos 1947-6-27 3725 San Bernardino W ridge of South Fork of Santa Ana River. 2195 Comment
  RSA44906  Descurainia incana subsp. incisa J. C. Roos 1947-8-9 3737 San Bernardino Bluff Lake, San Bernardino Mts. 2287 Comment
  RSA44917  Clarkia heterandra J. C. Roos 1947-6-14 3678 San Bernardino Shady canyon between Crestline Bowl and San Bernardino Mountains. Comment
  RSA44919  Erigeron breweri var. covillei J. C. Roos 1947-6-21 3691 San Bernardino Fawnskin, Bear Valley. Comment
  RSA44924  Cryptantha simulans J. C. Roos 1947-6-14 3683 San Bernardino in canyon behind Bowl, Crestline. 1524 Comment
  RSA44925  Collinsia childii J. C. Roos 1947-6-14 3679 San Bernardino in canyon behind Bowl, Crestline. 1524 Comment
  RSA44926  Mentzelia dispersa J. C. Roos 1947-6-14 3676 San Bernardino Crestline, San Bernardino Mts. 1585 Comment
  RSA449943  Mentzelia oreophila J. C. Roos 1950-8-4 s.n. San Bernardino North side of Clark Mtn. 1220 Comment
  RSA449953  Clarkia purpurea subsp. quadrivulnera J. C. Roos 1965-6-12 s.n. San Bernardino Igo's near Mountain Home Village and Mill Creek. San Bernardino Mountains. [Note: Igo s is present location of Mountain Home Village, Hwy. 38, San Bernardino Mtns. -SDW 2006] Comment
  RSA449958  Clarkia dudleyana J. C. Roos 1965-6-12 s.n. San Bernardino Igo's near Mountain Home Village and Mill Creek. San Bernardino Mountains. [Note: Igo s is present location of Mountain Home Village, Hwy. 38, San Bernardino Mtns. -SDW 2006] Comment
  RSA449963  Lemna trisulca J. C. Roos 1942-11-28 2587 San Bernardino Deep Creek, San Bernardino Mountains. 914 Comment
  RSA449967  Brickellia desertorum J. C. Roos, L. Roos 1957-10-19 6658 San Bernardino 1 mi. SW of Loma Linda hospital, in the hills by the gravel pit. An infrequent shrub in the sun, growing in dry sandy loam, on the N slope of a steep canyon. 439 Comment
  RSA449971  Microsteris gracilis subsp. gracilis J. C. Roos 1967-5-30 s.n. San Bernardino A meadow, Broom Flat. Comment
  RSA450054  Ericameria linearifolia J. C. Roos 1966-4-1 s.n. San Bernardino Cajon, San Bernardino County Comment
  RSA450060  Melica stricta J. C. Roos 1963-6-15 s.n. San Bernardino Between Fish Creek and Heart Bar Creek 2195 Comment
  RSA450063  Croton californicus J. C. Roos 1965-6-27 s.n San Bernardino Loma Linda Hills. 305 Comment
  RSA450071  Castilleja lasiorhyncha J. C. Roos 1956-7-21 6589 San Bernardino Snow Valley, north of Keller Peak Comment
  RSA450074  Veronica americana J. C. Roos 1965-6-26 s.n. San Bernardino Upper Santa Anita Canyon, Heart Bar area. San Bernardino Mtns. Comment
  RSA450082  Calochortus invenustus J. C. Roos 1965-7-18 s.n. San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA450085  Monardella australis subsp. australis J. C. Roos 1965-7-17 s.n. San Bernardino San Bernardino Mtns: Kilpecker Creek. Comment
  RSA450086  Scutellaria siphocampyloides J. C. Roos 1965-7-17 s.n. San Bernardino San Bernardino Mountains: Barton Flats. Comment
  RSA450090  Eriogonum parishii J. C. Roos 1966-8-6 s.n. San Bernardino Fish Creek. Comment
  RSA450091  Eriogonum umbellatum J. C. Roos 1946-10-5 3117 San Bernardino Pipes Creek. 2134 Comment
  RSA450093  Clematis ligusticifolia J. C. Roos 1966-8-6 s.n. San Bernardino Cienega Seca Creek, Heart Bar Ranch. Comment
  RSA450094  Rhamnus californica J. C. Roos 1965-6-6 s.n. San Bernardino San Bernardino Mtns, Mill Creek near Fallsvale. Comment
  RSA450098  Cercocarpus ledifolius J. C. Roos 1965-6-6 s.n. San Bernardino San Bernardino Mtns, Mill Creek near Fallsvale. Comment
  RSA450106  Astragalus leucolobus J. C. Roos 1967-5-30 s.n San Bernardino Rocky ridge, E of Broom Flat. Comment
  RSA450125  Mahonia nevinii J. C. Roos 1966-2-10 s.n. San Bernardino San Timoteo Canyon, south of Redlands. Comment
  RSA450131  Allium lacunosum var. davisiae J. C. Roos 1967-5-20 s.n. San Bernardino Deep Creek, San Bernardino Mountains. Comment
  RSA450137  Epilobium torreyi J. C. Roos 1965-9-15 s.n. San Bernardino Victorville. Comment
  RSA450143  Leptosiphon breviculus J. C. Roos 1965-6-26 s.n. San Bernardino Upper Santa Ana Basin, near Fish Creek. San Bernardino Mtns. Comment
  RSA450144  Leptosiphon floribundus J. C. Roos 1965-6-26 s.n. San Bernardino Barton Flats, San Bernardino Mtns. Comment
  RSA450148  Oxytheca parishii var. parishii J. C. Roos 1965-10-2 s.n. San Bernardino Camp Angelus, San Bernardino Mtns. Comment
  RSA450151  Polygonum punctatum J. C. Roos s.n. San Bernardino Victorville. Mojave River bottom. Comment
Read comments
Nov 20 2016
  RSA450154  Rumex salicifolius var. denticulatus J. C. Roos 1965-7-17 s.n. San Bernardino Dry Lake, San Bernardino Mtns. Comment
  RSA450157  Castilleja minor subsp. spiralis J. C. Roos 1965-6-12 s.n. San Bernardino Igo's near Mountain Home Village and Mill Creek. San Bernardino Mountains., [Igo's is present location of Mountain Home Village, Hwy. 38, San Bernardino Mtns. -SDW 2006] Comment
  RSA450158  Collinsia heterophylla var. austromontana J. C. Roos 1965-6-12 s.n. San Bernardino Igo's near Mountain Home Village and Mill Creek. San Bernardino Mountains., [Igo's is present location of Mountain Home Village, Hwy. 38, San Bernardino Mtns. -SDW 2006] Comment
  RSA450161  Keckiella antirrhinoides J. C. Roos 1965-6-6 s.n. San Bernardino San Bernardino Mtns, Mill Creek near Fallsvale. Comment
  RSA450163  Mimulus brevipes J. C. Roos 1965-6-6 s.n. San Bernardino San Bernardino Mtns, Mill Creek near Fallsvale. Comment
  RSA450164  Mimulus cardinalis J. C. Roos 1965-9-11 s.n. San Bernardino Mill Creek. Comment
  RSA450167  Penstemon rostriflorus J. C. Roos 1965-7-18 s.n. San Bernardino Moonridge, Bear Valley, San Bernardino Mountains. Comment
  RSA450171  Penstemon labrosus J. C. Roos 1965-7-17 s.n. San Bernardino Barton Flats, San Bernardino Mountains. Comment
  RSA450237  Geranium richardsonii J. C. Roos 1965-7-17 s.n. San Bernardino South Fork, San Bernardino Mts. 2591 Comment
  RSA450243  Alnus rhombifolia J. C. Roos 1965-9-11 S.N. San Bernardino Mill creek, San Bernardino Mountains Comment
  RSA450244  Lappula occidentalis var. occidentalis J. C. Roos 1967-5-30 s.n. San Bernardino In meadow near Arrastre Creek. 2287 Comment
  RSA450247  Cryptantha micrantha var. lepida J. C. Roos 1965-6-26 s.n. San Bernardino Upper Santa Ana Basin, near Fish Creek. San Bernardino Mtns. Comment
  RSA450250  Ivesia argyrocoma J. C. Roos 1965-7-18 s.n. San Bernardino Bear Valley, San Bernardino Mtns. Near Fawnskin. Comment
  RSA450251  Geum macrophyllum J. C. Roos 1965-7-31 s.n. San Bernardino South Fork 2134 Comment
  RSA450254  Eriogonum elongatum J. C. Roos 1965-10-20 s.n. San Bernardino The east fork of Mountain Home Canyon. Comment
  RSA450257  Horkelia rydbergii J. C. Roos 1965-7-18 s.n. San Bernardino Snow Valley, San Bernardino Mountains. Comment
  RSA450258  Horkelia wilderae J. C. Roos 1965-6-26 s.n. San Bernardino San Bernardino Mountains: Upper Santa Ana Basin near Fish Creek. 2134 Comment
  RSA450261  Ribes roezlii J. C. Roos 1965-6-6 s.n. San Bernardino San Bernardino Mtns, Mill Creek near Fallsvale. Comment
  RSA450302  Quercus X morehus J. C. Roos 1965-6-13 s.n. San Bernardino Forest Falls, Mill Creek Comment
  RSA450309  Mimulus guttatus J. C. Roos 1943-4-9 2614 San Bernardino Slong swampy ditch, Waterman Ave. Comment
  RSA450312  Lathyrus vestitus subsp. laetiflorus J. C. Roos 1949-5-21 4324 San Bernardino Near Aguanga Comment
  RSA450416  Centaurea melitensis J. C. Roos 1965-6-6 s.n. San Bernardino San Bernardino Mtns, Mill Creek near Fallsvale. Comment
  RSA450422  Erigeron aphanactis var. congestus J. C. Roos 1967-5-30 s.n. San Bernardino Rocky ridge, E of Broom Flat. Comment
  RSA450425  Erigeron divergens J. C. Roos 1965-7-18 s.n. San Bernardino Along Bear Valley, San Bernardino Mtns. Comment
  RSA450426  Erigeron breweri var. covillei J. C. Roos 1965-6-26 s.n. San Bernardino Upper Santa Ana Basin, near Fish Creek. San Bernardino Mtns. Comment
  RSA450434  Geum macrophyllum J. C. Roos 1965-7-31 s.n. San Bernardino South Fork 2134 Comment
  RSA450453  Melica aristata J. C. Roos 1965-7-17 s.n. San Bernardino Stetson Creek, Barton Flats, San Bernardino Mountains. Comment
  RSA450454  Bromus marginatus J. C. Roos 1965-7-18 s.n. San Bernardino Moonridge, Bear Valley, San Bernardino Mountains. Comment
  RSA450458  Bouteloua eriopoda J. C. Roos 1950-8-4 4890 San Bernardino N side of Clark Mountain, east Mojave Desert. Comment
Read comments
Aug 11 2011
  RSA450485  Eriophyllum confertiflorum J. C. Roos 1965-6-6 s.n. San Bernardino San Bernardino Mtns, Mill Creek near Fallsvale. Comment
  RSA450486  Gnaphalium chilense J. C. Roos 1965-7-18 s.n. San Bernardino Bear Valley, San Bernardino Mtns. Comment
  RSA450489  Hymenopappus filifolius var. lugens J. C. Roos 1965-7-18 s.n. San Bernardino East end of Bear Valley. Comment
  RSA450645  Achnatherum occidentale subsp. occidentale J. C. Roos 1965-7-17 s.n. San Bernardino Barton Flats, San Bernardino Mountains. Comment
  RSA450659  Hesperostipa comata subsp. comata J. C. Roos 1965-7-18 s.n. San Bernardino Moonridge, Bear Valley, San Bernardino Mountains. Comment
  RSA450744  Lepidospartum squamatum J. C. Roos 1965-10-2 s.n. San Bernardino Mill Creek 976 Comment
  RSA450754  Stephanomeria exigua subsp. coronaria J. C. Roos 1981-7-18 s.n. San Bernardino Bear Valley. Comment
  RSA45206  Hordeum jubatum J. C. Roos, L. Roos 1949-5-14 4306 San Bernardino Lucerne Valley 884 Comment
  RSA45209  Chorizanthe watsonii J. C. Roos, Lucille Roos 1949-4-30 4273 San Bernardino 4 miles west of Hesperia. Comment
  RSA45214  Calochortus striatus J. C. Roos, L. Roos 1949-5-14 4290 San Bernardino Rabbit Springs, Mojave Desert. 884 Comment
  RSA45215  Erigeron breweri var. covillei J. C. Roos 1949-5-14 4293 San Bernardino 4 miles W of Hesperia. 1006 Comment
  RSA45217  Mirabilis laevis var. retrorsa J. C. Roos, L. Roos 1949-5-14 4298 San Bernardino Mojave Desert; near Hesperia. 976 Comment
  RSA45219  Salvia dorrii subsp. dorrii J. C. Roos 1949-5-14 4300 San Bernardino 5 miles west of The Windmill; Burns-Pipes Wash, east end San Bernardino Mts. 1220 Comment
  RSA452409  Atriplex canescens A. R. Roos 1923-11-8 s.n. San Bernardino Vicinity of San Bernardino Comment
  RSA45474  Ipomopsis arizonica J. C. Roos, L. Roos 1948-9-18 4065 San Bernardino Clark Mts., Comment
  RSA45475  Chrysothamnus nauseosus subsp. leiospermus J. C. Roos 1948-9-18 4060 San Bernardino N side of Clark Mtn 1829 Comment
  RSA45476  Artemisia bigelovii L. Roos 1948-9-18 4059 San Bernardino in steep limestone gulch, N slope, Clark Mts. 1829 Comment
  RSA45477  Artemisia ludoviciana subsp. albula J. C. Roos 1948-9-18 4058 San Bernardino Clark Mts. 1768 Comment
  RSA45479  Eriogonum heermannii var. floccosum J. C. Roos 1948-9-18 4052 San Bernardino Clark Mountains; near Colisseum Mine 1616 Comment
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Aug 22 2011
  RSA45480  Eriogonum microtheca var. foliosum J. C. Roos 1948-9-18 4051 San Bernardino North slope Clark Mountains 1616 Comment
  RSA45481  Halimolobos jaegeri J. C. Roos 1948-9-18 4045 San Bernardino Clark Mtn 2134 Comment
  RSA45482  Asclepias asperula subsp. asperula J. C. Roos 1948-9-18 4042 San Bernardino North side of Clark Mountain, SW of Colisseum Mine 1921 Comment
  RSA45511  Nemacladus orientalis J. C. Roos 1949-4-9 4205 San Bernardino Roadside NW of Cross Roads, Whipple Mtns. Comment
  RSA45512  Eucrypta micrantha J. C. Roos, L. Roos 1949-4-9 4204 San Bernardino Roadside NW of Cross Roads, Whipple Mtns. Comment
  RSA45540  Ericameria cuneata var. spathulata J. C. Roos, L. Roos 1948-9-25 4076 San Bernardino Arrowhead Highlands 1524 Comment
  RSA45541  Artemisia nova J. C. Roos, Lucille Roos 1948-9-18 4069 San Bernardino Edge of wide wash, north side of Clark mountain, near Greens Mine 1524 Comment
  RSA45542  Menodora scoparia J. C. Roos 1948-9-18 4068 San Bernardino N slopes Clark Mts, S og Green s Mine 1677 Comment
  RSA457383  Achnatherum occidentale subsp. occidentale J. C. Roos 1965-7-18 s.n. San Bernardino Along Bear Valley, San Bernardino Mtns. Comment
  RSA457384  Trisetum canescens J. C. Roos 1965-7-31 s.n. San Bernardino South Fork Meadows, upper Santa Ana River, San Bernardino Mtns. 2287 Comment
  RSA457388  Poa howellii J. C. Roos 1957-6-1 6613 San Bernardino Yucaipa Ridge, 0.5 miles SW of Mill Creek Public Camp, Mill Creek, San Bernardino Mtns. Comment
  RSA457400  Andropogon glomeratus J. C. Roos 1938-11-5 s.nn. San Bernardino Arrowhead Hot Springs, south side of San Bernardino Mountains. Comment
  RSA457403  Aristida purpurea var. purpurea J. C. Roos 1950-8-4 s.n. San Bernardino N side of Clark Mountain, east Mojave Desert. Comment
  RSA47191  Calystegia occidentalis subsp. fulcrata J. C. Roos 1949-7-16 4565 San Bernardino Moonridge, Bear Valley, San Bernardino Mts. 2256 Comment
  RSA47192  Penstemon rostriflorus J. C. Roos, L. Roos 1949-6-27 4515 San Bernardino North side Kingston Mts 1829 Comment
  RSA47198  Salvia mohavensis J. C. Roos, L. Roos 1949-6-25 4495 San Bernardino On rocky eastern slope of Clark Mountain. 1646 Comment
  RSA47201  Phacelia lemmonii J. C. Roos 1949-6-20 4422 San Bernardino Keystone Canyon, New York Mts 1738 Comment
  RSA47202  Frasera albomarginata J. C. Roos 1949-6-20 4419 San Bernardino New York Mountains: Keystone Canyon 1677 Comment
  RSA47298  Garrya flavescens subsp. flavescens J. C. Roos, L. Roos 1949-6-27 4501 San Bernardino North side Kingston Mts. 1524 Comment
  RSA47301  Pinus edulis J. C. Roos, Lucille Roos 1949-6-21 4424 San Bernardino New York Peak. 2134 Comment
  RSA47308  Forestiera pubescens J. C. Roos 1949-6-23 4470 San Bernardino Mud hills, Rock Springs, New York Mts. 1494 Comment
  RSA47310  Chenopodium incanum var. occidentale J. C. Roos 1949-6-22 4456 San Bernardino Barnwell, New York Mts. Comment
  RSA47311  Quercus turbinella subsp. turbinella J. C. Roos 1949-6-22 4452 San Bernardino New York Mountains; Keystone Canyon 1738 Comment
  RSA47312  Salix lemmonii J. C. Roos 1949-7-4 4535 San Bernardino Along stream at High Creek. 2744 Comment
  RSA47318  Hesperostipa comata subsp. comata J. C. Roos 1949-6-19 4396 San Bernardino SE base of Clark Mountain Comment
  RSA47322  Aristida purpurea var. fendleriana J. C. Roos, L. Roos 1949-6-22 4443 San Bernardino Barnwell, New York Mountains 1463 Comment
  RSA47330  Cheilanthes feei J. C. Roos, Lucille Roos 1949-6-19 4400 San Bernardino SE base of Clark Mountain Comment
  RSA47332  Poa fendleriana J. C. Roos 1949-5-28 4356 San Bernardino N slope Clark, Mts 1829 Comment
  RSA47338  Arenaria macradenia var. macradenia J. C. Roos, Lucille Roos 1949-6-27 4510 San Bernardino North side Kingston Mountains Comment
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Aug 22 2011
  RSA47341  Arabis holboellii var. retrofracta J. C. Roos 1949-7-16 4561 San Bernardino Moonridge, Bear Valley, San Bernardino Mts. 2256 Comment
  RSA47418  Galium munzii J. C. Roos 1949-6-21 4433 San Bernardino New York Mountains, Keystone Canyon 1829 Comment
  RSA47420  Galium parishii J. C. Roos, L. Roos 1949-6-27 4514 San Bernardino North slope Kingston Mts. 1982 Comment
  RSA47421  Solanum americanum J. C. Roos, L. Roos 1949-6-26 4500 San Bernardino Horse Springs, Kingston Mountains. 1451 Comment
  RSA47422  Physalis hederifolia J. C. Roos 1949-6-22 4445 San Bernardino Barnwell, New York Mountains. Comment
  RSA47428  Keckiella antirrhinoides subsp. microphylla J. C. Roos, Lucille Roos 1949-6-27 4506 San Bernardino North side of Kingston Mountains 1677 Comment
  RSA47430  Menodora scabra var. laevis J. C. Roos 1949-6-23 4463 San Bernardino Lanfair Valley, north of Hackberry Mountain. 1311 Comment
  RSA47431  Mimulus guttatus J. C. Roos, Lucille Roos 1949-6-22 4449 San Bernardino New York Mountains; Keystone Canyon 1738 Comment
  RSA47432  Mimulus guttatus Roos, Lucille Roos. 1949-6-23 4472 San Bernardino Rock Springs, Mid-hills, New York Mts. 1463 Comment
  RSA47438  Mimulus rubellus J. C. Roos, Lucille Roos 1949-5-29 4377 San Bernardino Coliseum Mine, Clark Mountain. 1677 Comment
  RSA47440  Allium atrorubens var. inyonis J. C. Roos 1949-6-27 4511 San Bernardino Kingston Mts. 2103 Comment
  RSA47442  Epilobium canum subsp. latifolium J. C. Roos, L. Roos 1949-6-27 4505 San Bernardino North side of Kingston Mountains 1677 Comment
  RSA47448  Pseudostellaria jamesiana J. C. Roos, L. Roos 1949-7-16 4552 San Bernardino Moonridge, Bear Valley 2226 Comment
  RSA47450  Ivesia patellifera J. C. Roos 1949-6-27 4504 San Bernardino North side of Kingston Mountains 1829 Comment
  RSA47458  Bahiopsis parishii J. C. Roos, L. Roos 1949-6-26 4496 San Bernardino North side of Clark Mtn. 1463 Comment
  RSA47463  Aster occidentalis var. parishii J. C. Roos 1949-7-16 4563 San Bernardino Moonridge, Bear Valley 2226 Comment
  RSA47464  Erigeron breweri var. bisanctus J. C. Roos 1949-7-16 4560 San Bernardino Moonridge, Bear Valley, San Bernardino Mts. 2256 Comment
  RSA47467  Lessingia glandulifera var. glandulifera J. C. Roos 1949-6-23 4458 San Bernardino Near Rock Springs, Mid-hills, New York Mountains. 1463 Comment
  RSA47469  Chrysothamnus nauseosus subsp. hololeucus J. C. Roos 1949-6-19 4407 San Bernardino Southeast slope of Clark Mountain. 1890 Comment
  RSA47470  Brickellia oblongifolia var. linifolia J. C. Roos 1949-5-28 4335 San Bernardino North slope of washes, Clark Mtn, near Green's Mine 1616 Comment
  RSA47471  Hymenoxys acaulis var. arizonica J. C. Roos 1949-5-28 4348 San Bernardino N slope Clark, Mts 1829 Comment
  RSA47472  Packera multilobata J. C. Roos 1949-5-28 4350 San Bernardino north side Clark Mtn. 1890 Comment
  RSA47478  Psilostrophe cooperi J. C. Roos, Lucille Roos 1949-6-22 4457 San Bernardino Lecyr Well, New York Mountains. 1524 Comment
  RSA47534  Lupinus brevicaulis J. C. Roos, L. Roos 1949-5-28 4344 San Bernardino Colisseum Mine, North side Clark Mountains. 1616 Comment
  RSA47535  Holodiscus microphyllus J. C. Roos, L. Roos 1949-6-27 4518 San Bernardino North side of Kingston Mountains 1829 Comment
  RSA47536  Forsellesia nevadensis J. C. Roos, L. Roos 1949-6-22 4451 San Bernardino New York Mtns, Keystone Canyon. 1829 Comment
  RSA47537  Forsellesia nevadensis J. C. Roos, L. Roos 1979-06 4402 San Bernardino SE foot of Clark Mtn, Eastern San Bernardino County 1951 Comment
  RSA47543  Epilobium ciliatum subsp. ciliatum J. C. Roos, L. Roos 1949-6-26 4499 San Bernardino Horse Springs, Kingston Mountains. 1451 Comment
  RSA47544  Oenothera avita subsp. avita J. C. Roos, L. Roos 1949-6-22 4450 San Bernardino New York Mountains; Keystone Canyon 1738 Comment
  RSA47545  Gaura coccinea J. C. Roos 1949-6-22 4444 San Bernardino Near Barnwell, New York Mountains. Comment
  RSA47546  Arctostaphylos pungens J. C. Roos, L. Roos 1949-6-21 4435 San Bernardino New York Mts. 2133 Comment
  RSA47547  Ceanothus greggii var. vestitus J. C. Roos, Lucille Roos 1949-6-20 4421 San Bernardino Keystone Canyon, New York Mts 1829 Comment
  RSA47768  Ribes velutinum J. C. Roos 1949-6-21 4432 San Bernardino New York Peak. 2134 Comment
  RSA48673  Fraxinus velutina var. coriacea J. C. Roos 1949-8-20 4626 San Bernardino N of Toll road Public Camp, N side of San Bernardino Mts. 1372 Comment
  RSA48675  Quercus turbinella subsp. turbinella J. C. Roos 1949-8-13 4621 San Bernardino Copper Queen Mine, Keystone Canyon, New York Mtns. 1829 Comment
  RSA48677  Baccharis sergiloides J. C. Roos 1949-8-14 4618 San Bernardino Keystone Spring, Keystone Canyon, New York Mts. 1707 Comment
  RSA48682  Eriogonum umbellatum var. juniporinum J. C. Roos 1949-8-13 4611 San Bernardino Copper Queen Mine, Keystone Canyon, New York Mtns. 1829 Comment
Read comments
Dec 22 2011
  RSA48694  Holodiscus microphyllus J. C. Roos 1949-9-2 4648 San Bernardino North slope of Kingston Peak 2165 Comment
  RSA48844  Sporobolus cryptandrus J. C. Roos 1949-8-13 4619 San Bernardino Live Oak Mine, Keystone Canyon, New York Mountains 1829 Comment
  RSA48845  Artemisia bigelovii J. C. Roos 1949-8-13 4614 San Bernardino Keystone Canyon. New York Mts. 1707 Comment
  RSA48846  Nolina parryi J. C. Roos, L. Roos 1949-6-27 4502 San Bernardino North side Kingston Mountains 1829 Comment
  RSA48856  Salpichroa origanifolia J. C. Roos 1949-10-12 4690 San Bernardino Loma Linda hill, San Bernardino Valley. 335 Comment
  RSA48877  Monardella eremicola J. C. Roos, C. A. Weatherby 1949-9-2 4642 San Bernardino Kingston Mts., north slope. 2012 Comment
  RSA48888  Juniperus osteosperma J. C. Roos 1949-9-2 4634 San Bernardino North slopes Kingston Mts 2072 Comment
  RSA52772  Kallstroemia parviflora J. C. Roos, A. R. Roos 1950-8-5 4904 San Bernardino Eastern Mojave Desert Coliseum Mine, Clark Mountain. 1707 Comment
  RSA52783  Sanvitalia abertii J. C. Roos 1950-8-5 4893 San Bernardino 1 mi S of Coliseum Mine, Clark Mtns. 1646 Comment
  RSA52784  Ericameria laricifolia J. C. Roos 1950-9-1 4956 San Bernardino Coliseum Mine, Clark Mountains. 1616 Comment
  RSA52785  Schkuhria multiflora var. multiflora J. C. Roos 1950-9-1 4955 San Bernardino Coliseum Mine, Clark Mountain. 1616 Comment
  RSA52798  Hydrocotyle verticillata J. C. Roos 1950-8-7 4917 San Bernardino China Ranch, NE San Bernardino County. 396 Comment
  RSA52800  Boerhavia coulteri J. C. Roos 1950-9-3 4980 San Bernardino Valley Wells 1128 Comment
  RSA52801  Boerhavia wrightii J. C. Roos, A. R. Roos 1950-8-4 4892 San Bernardino North side of Clark Mtn. 1220 Comment
  RSA53583  Polypogon viridis J. C. Roos 1949-11-16 4695 San Bernardino Loma Linda. 329 Comment
  RSA591732  Stellaria longipes J. C. Roos, A. C. Sanders 1965-6-26 s.n. San Bernardino Upper Sana Ana Canyon, Heart Bar area. Comment
  RSA591745  Lobelia cardinalis subsp. graminea J. C. Roos 1965-10-2 s.n. San Bernardino Dripping Springs, Monkey face, Mill Creek, San Bernardino Mountains. Comment
  RSA592427  Atriplex confertifolia J. C. Roos 1965-7-6 s.n. San Bernardino At the cement plant, Victorville. Comment
  RSA592495  Atriplex torreyi J. C. Roos 1965-9-13 s.n. San Bernardino Victorville. Comment
  RSA61544  Schedonorus pratensis J. C. Roos, L. Roos 1950-6-3 4825 San Bernardino Rabbit Springs, Mojave Desert 884 Comment
  RSA61545  Poa secunda J. C. Roos 1950-5-13 4808 San Bernardino Lucerne Valley, Rabbit Springs. Alt 2900ft 884 Comment
  RSA61546  Poa secunda J. C. Roos 1950-4-26 4764 San Bernardino Rabbit Springs. 884 Comment
  RSA61547  Poa secunda J. C. Roos 1950-6-3 4826 San Bernardino Rabbit Springs. Mojave desert. 884 Comment
  RSA648062  Ambrosia confertiflora J. C. Roos 1943-4-10 2613 San Bernardino Loma Linda. Comment
  RSA648066  Bromus japonicus J. C. Roos 1943-6-22 2711 San Bernardino County Hospital. Comment
  RSA648080  Pellaea mucronata var. mucronata J. C. Roos 1965-6-6 s.n. San Bernardino Mill Creek. San Bernardino Mountains. Comment
  RSA648084  Festuca rubra J. C. Roos 1937-7-21 405 San Bernardino South Fork. San Bernardino Mtns. Comment
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Oct 26 2013
  RSA648670  Panicum capillare J. C. Roos 1946-9-6 2997 San Bernardino Warm Creek south of San Bernardino. Comment
  RSA648732  Agrostis scabra J. C. Roos 1937-7-22 s.n. San Bernardino South Fork Meadows, San Bernardino Mountains. Comment
  RSA648735  Allium peninsulare J. C. Roos 1948-5-22 3865 San Bernardino In a canyon S.E. of the summit of Reche Canyon. Comment
  RSA648742  Schedonorus pratensis J. C. Roos 1950-5-20 4815 San Bernardino Central St., San Bernardino Valley. 304 Comment
  RSA658423  Sporobolus cryptandrus J. C. Roos 1965-6-7 s.n. San Bernardino Victorville. Comment
  RSA658703  Arenaria kingii J. C. Roos 1949-6-21 3557 San Bernardino New York Mountain (New York Peak) 2225 Comment
  RSA658863  Tauschia parishii J. C. Roos 1947-6-27 3725 San Bernardino Ridge west of South Fork [of Santa Ana River], San Bernardino Mtns. Comment
  RSA659177  Eriogonum kennedyi J. C. Roos 1946-9-4 2962 San Bernardino San Gorgonio Ridge. 3354 Comment
  RSA659182  Berberis nevinii J. C. Roos 1966-2-10 s.n. San Bernardino San Timoteo Canyon, south of Redlands. Comment
  RSA659185  Dodecahema leptoceras J. C. Roos 1950-6-3 4822 San Bernardino Cajon Canyon, 1 mile below 'Blue Cut' 762 Comment
  RSA659189  Phacelia ramosissima J. C. Roos 1965-6-27 s.n. San Bernardino Loma Linda Hills. 305 Comment
  RSA659191  Myriophyllum sibiricum J. C. Roos 1966-9-9 s.n. San Bernardino In Big Bear Lake, San Bernardino Mtns. Comment
  RSA659193  Lotus oblongifolius J. C. Roos 1965-7-26 s.n. San Bernardino Upper Santa Ana Canyon, Heart Bar area. San Bernardino Mtns. Comment
  RSA659194  Epilobium exaltatum J. C. Roos 1965-7-31 s.n. San Bernardino South Fork Meadows, upper Santa Ana River, San Bernardino Mtns. 2287 Comment
  RSA659470  Polygonum amphibium J. C. Roos 1937-7-22 506 San Bernardino Dry lake, in the water, San Bernardino Mtns. 2744 Comment
  RSA659474  Camissonia dentata J. C. Roos 1952-4-22 5568 San Bernardino 1 mile west of Colton along highway 99. 305 Comment
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Dec 18 2018
  RSA659477  Monardella odoratissima J. C. Roos 1965-7-17 s.n. San Bernardino San Bernardino Mtns: Kilpecker Creek. Comment
  RSA659482  Chamaesaracha coronopus J. C. Roos 1949-6-22 3548 San Bernardino Barnwell, New York Mountains. Comment
  RSA659489  Euphorbia exstipulata J. C. Roos 1950-9-3 4976 San Bernardino South of Clark Mountains, NW of Mountain Pass 1828 Comment
  RSA659493  Euphorbia setiloba J. C. Roos 1950-9-1 4962 San Bernardino Vicinity of Coliseum Mine, Clark Mountains 1646 Comment
  RSA659600  Castilleja linariifolia J. C. Roos 1948-9-18 4029 San Bernardino North side of Clark Mtn.; Near the Coliseum Mine. 1524 Comment
  RSA659620  Bromus marginatus J. C. Roos 1965-6-26 s.n. San Bernardino Upper Santa Anita Canyon, Heart Bar area. San Bernardino Mtns. Comment
  RSA659665  Mimulus tilingii J. C. Roos 1949-7-4 4540 San Bernardino Along stream at High Creek. 2744 Comment
  RSA659719  Tetradymia comosa J. C. Roos 1965-6-27 s.n. San Bernardino Loma Linda Hills. 305 Comment
  RSA659774  Nemacladus glanduliferus var. orientalis J. C. Roos 1949-4-9 4205 San Bernardino Roadside NW of Cross Roads, Whipple Mtns. Comment
  RSA659791  Lotus grandiflorus J. C. Roos 1965-6-16 s.n. San Bernardino North of Cajon Pass. Comment
  RSA659794  Astragalus lentiginosus var. borreganus J. C. Roos 1937-4-23 1699 San Bernardino West of 29 Palms. Comment
  RSA662067  Trifolium wormskioldii J. C. Roos 1965-6-26 s.n. San Bernardino Upper Santa Anita Canyon, Heart Bar area. San Bernardino Mtns. Comment
  RSA662071  Lupinus excubitus J. C. Roos 1965-7-18 s.n. San Bernardino Along Bear Valley, San Bernardino Mtns. Comment
  RSA662430  Achnatherum hymenoides J. C. Roos 1965-6-7 s.n. San Bernardino Victorville. Comment
  RSA662433  Poa pratensis J. C. Roos 1965-7-18 s.n. San Bernardino Moonridge, Bear Valley, San Bernardino Mountains. Comment
  RSA662437  Atriplex polycarpa J. C. Roos 1965-7-6 1965 San Bernardino At the cement plant, Victorville. Comment
  RSA662533  Artemisia douglasiana J. C. Roos 1965-10-2 s.n. San Bernardino Mentone. Comment
  RSA662540  Parnassia cirrata var. cirrata J. C. Roos 1965-9-11 s.n. San Bernardino At the quarry in Mill Creek Canyon, San Bernardino Mountains Comment
  RSA664190  Artemisia tridentata A. R. Roos 1948-10-29 s.n. San Bernardino San Bernardino Mtns. summit of Cajon Pass. 1223 Comment
  RSA664191  Ambrosia confertiflora J. C. Roos 1937-8-23 s.n. San Bernardino Loma Linda. Comment
  RSA664193  Acer macrophyllum J. C. Roos 1965-6-6 s.n. San Bernardino San Bernardino Mtns, Mill Creek near Fallsvale. Comment
  RSA664194  Calocedrus decurrens J. C. Roos 1965-6-6 s.n. San Bernardino Mill Creek. San Bernardino Mountains. Comment
  RSA664943  Agrostis scabra J. C. Roos 1937-7-25 410 San Bernardino Clarks Grade. (S. of Big Bear Lake) San Bernardino Mountains. Comment
  RSA69823  Plantago subnuda J. C. Roos, L. Roos 1951-9-29 5309 San Bernardino Warm Creek near south E street, San Bernardino. 305 Comment
  RSA69839  Monardella macrantha subsp. macrantha J. C. Roos, L. Roos 1952-6-14 5700 San Bernardino San Bernardino Mountains: Mill Creek S of Mill Creek Public Camp. 1159 Comment
  RSA69868  Amaranthus fimbriatus J. C. Roos 1951-9-19 5222 San Bernardino In irrigated orhard with Amaranthus Palmeri, Tribulus terrestris, Loma Linda Comment
  RSA74573  Dyssodia papposa J. C. Roos 1952-05 5056 a San Bernardino Loma Linda, corner of Central & Anderson. 335 Comment
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Jun 1 2012
  RSA74574  Parnassia cirrata J. C. Roos 1946-9-4 2972 San Bernardino Vivian Creek 2439 Comment
  RSA78214  Poa secunda J. C. Roos 1951-6-9 5059 San Bernardino Running Springs 1829 Comment
  RSA78234  Eriogonum heermannii var. heermannii J. C. Roos 1951-7-30 5078 San Bernardino Sheep Creek, NE of Wrightwood. 1585 Comment
  RSA78329  Vulpia microstachys var. ciliata J. C. Roos, L. Roos 1951-6-9 5060 San Bernardino San Bernardino Mountains. Comment
  RSA78334  X Stiporyzopsis bloomeri J. C. Roos, L. Roos 1951-7-28 5067 San Bernardino Head of Rathbone Creek, San Bernardino Mountains 2561 Comment
  RSA78336  Leucopoa kingii J. C. Roos, Lucille Roos 1951-7-28 5069 San Bernardino Head of Rathbone Creek, San Bernardino Mountains 2561 Comment
  RSA78382  Chrysothamnus viscidiflorus subsp. viscidiflorus J. C. Roos 1951-7-28 5070 San Bernardino Head of Rathbone Creek. 2591 Comment
  RSA85083  Hordeum depressum J. C. Roos 1952-4-22 5566 San Bernardino Waterman Ave. west of Loma Linda, San Bernardino Valley 305 Comment
  RSA85091  Salix gooddingii J. C. Roos 1952-4-4 5470 San Bernardino Warm Creek bottomland at Colton. 290 Comment
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Dec 3 2014
  RSA85163  Achnatherum parishii subsp. parishii J. C. Roos 1950-8-5 4895 San Bernardino Clark Mountains; 1.5 mile southwest of colusuem Mine 1738 Comment
  RSA85164  Muhlenbergia porteri J. C. Roos, A. R. Roos 1950-8-4 4889 San Bernardino N side of Clark Mountain, east Mojave Desert. Comment
  RSA85165  Sporobolus cryptandrus J. C. Roos, A. R. Roos 1950-8-4 4888 San Bernardino 3 miles west of Valley Wells 1159 Comment
  RSA85167  Monolepis nuttalliana J. C. Roos, L. Roos 1954-3-25 6047 San Bernardino The Pinnacles, 10 miles south of Trona, Mojave Desert. 549 Comment
  RSA85452  Spergularia salina J. C. Roos 1952-3-14 5538 San Bernardino Loma Linda 305 Comment
  RSA85624  Nolina parryi J. C. Roos, L. Roos 1950-8-6 4910 San Bernardino Ridge NE of Kingston Peak, Kingston Mountains, eastern Mohave Desert. 2134 Comment
  RSA85647  Chenopodium incanum var. occidentale J. C. Roos, A. Roos 1950-8-7 4922 San Bernardino Drainage from watering trough at Beck s Spring, Kingston MTs. 1372 Comment
  RSA85653  Acer glabrum subsp. diffusum J. C. Roos, A. R. Roos 1950-8-6 4915 San Bernardino Kingston Peak, Kingston Mountains., Eastern Mojave Desert. 2165 Comment
  RSA85657  Halimolobos jaegeri J. C. Roos 1950-8-6 4914 San Bernardino Kingston Peak, Kingston Mountains., Eastern Mojave Desert. 2165 Comment
  RSA85659  Veronica americana J. C. Roos, A. R. Roos 1950-8-7 4920 San Bernardino Drainage from watering trough at Beck's Spring, Kingston Mts. 1372 Comment
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Dec 3 2007
  RSA85676  Tetradymia argyraea J. C. Roos 1950-8-5 4903 San Bernardino Eastern Mojave Desert Coliseum Mine, Clark Mountain. 1707 Comment
  RSA85679  Muhlenbergia porteri J. C. Roos, A. R. Roos 1950-8-5 4907 San Bernardino East end of Kingston Mountains 1067 Comment
  RSA85680  Sporobolus cryptandrus J. C. Roos, A. R. Roos 1950-8-6 4909 San Bernardino Tecopa Pass, Kingston Mountains between Horse Spring and Beck's Spring. 1524 Comment
  RSA86874  Frasera albomarginata J. C. Roos 1950-9-2 4967 San Bernardino Clark Mountains, 1 mile south of coliseum Mine 1707 Comment
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Sep 5 2013
  RSA86875  Chenopodium fremontii J. C. Roos 1950-9-2 4966 San Bernardino Clark Mtn., about 1.5 miles south of Coliseum Mine. 1646 Comment
  RSA86876  Celtis reticulata J. C. Roos 1950-9-2 4964 San Bernardino East slope Clark Mts., about 1.5 S. E of Coliseum Mine, eastern Mohave Desert. 1524 Comment
  RSA86879  Bouteloua aristidoides J. C. Roos 1950-9-1 4959 San Bernardino Vicinity of Coliseum Mine, Clark Mountains 1646 Comment
  RSA89869  Sporobolus flexuosus J. C. Roos 1950-10-21 5016 San Bernardino N base of Little San bernardino Mtns. 915 Comment
  RSA89890  Cordylanthus tecopensis J. C. Roos 1954-7-18 6203 San Bernardino Saratoga Springs, Mojave desert. 61 Comment
  RSA89956  Andropogon glomeratus J. C. Roos, L. Roos 1950-11-4 5023 San Bernardino Arrowhead Hot Springs, south base San Bernardino Mountains. 610 Comment
  RSA89957  Bouteloua eriopoda J. C. Roos 1950-9-3 4975 San Bernardino South of Clark Mountain, NW of Mountain Pass, eastern Mojave Desert 1829 Comment
  RSA89960  Galinsoga parviflora var. parviflora J. C. Roos 1950-11-5 5024 San Bernardino Near corner of Central and Anderson, Loma Linda 335 Comment
  RSA89961  Atriplex lentiformis J. C. Roos 1950-10-31 5022 San Bernardino 237 South Waterman Ave., San Bernardino. 320 Comment
  RSA89962  Centaurea repens J. C. Roos 1950-10-27 5019 San Bernardino San Bernardino, corner of 9th Street and Waterman Avenue. Comment
  RSA89973  Chrysothamnus nauseosus subsp. consimilis J. C. Roos 1950-10-11 5002 San Bernardino Cajon Pass 1 mile N of Cajon 976 Comment
  RSA89976  Ericameria palmeri var. pachylepis J. C. Roos, L. Roos 1950-10-7 498 San Bernardino West end of Palm Ave., at foot of hills, 2 mi. S of Colton. 305 Comment
  RSA89977  Hydrocotyle umbellata J. C. Roos 1950-9-22 4990 San Bernardino Edge of pond, Loma Linda, San Bernardino Valley. 335 Comment
  RSA89980  Eriochloa acuminata J. C. Roos 1950-9-9 4985 San Bernardino San Bernardino St. and Barton Ave., Loma Linda, San Bernardino Valley. 366 Comment
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Jan 28 2015
  RSA89982  Grindelia squarrosa J. C. Roos 1950-9-3 4983 San Bernardino Mountain Pass, Clark Mountains, E Mojave Desert 1524 Comment
  RSA89988  Ageratina herbacea J. C. Roos 1950-9-2 4969 San Bernardino Clark Mountains: 1.5 miles south of Coliseum Mine 1707 Comment
  SD122694  Coronopus didymus John C. Roos 1953-4-16 5913 San Bernardino Loma Linda, San Bernardino Valley. 320 Comment
  SD125623  Eragrostis mexicana subsp. virescens John C Roos 1951-8-4 5081 San Bernardino South end Mountain View Avenue, irrigated orange orchard. 366 Comment
  SD53019  Cirsium vulgare J. C. Roos 1955-8-8 6525 San Bernardino Loma Linda 320 Comment
  SEINET14198965  Aristida purpurea J. C. Roos 1950-9-1 4947 San Bernardino 1 mi E of Yucca Station, eastern Mojave Desert 1616 Comment
  SEINET227611 Image available Eragrostis mexicana J. C. Roos 1951-1 5221 San Bernardino West Barton Ave. in Loma Linda. At intersection with San Bernardino St. 335 Comment
  SEINET4133816  Atriplex elegans subsp. fasciculata Roos 1965-7-6 s.n. San Bernardino Roadside of Barstow.; 0 Comment
  SEINET7968708 Image available Leptosiphon chrysanthus subsp. chrysanthus J. C. Roos 1937-4-23 1651 San Bernardino West of Twentynine Palms, Mojave Desert Comment
  SEINET814546 Image available Thymophylla pentachaeta J. C. Roos 1948-1 4032 San Bernardino North slope of Clark Mountain, along powerline. Comment
  UC1010214  Quercus cornelius-mulleri John C. Roos 1946-9-21 3084 San Bernardino near Cushenbury Springs (n side of San Bernardino Mts.); San Bernardino Mts. 1280 Comment
  UC1010224  Helianthus ciliaris John C. Roos 1947-6-20 3684 San Bernardino in deserted grain field along Richardson Street near the Zanja; San Bernardino Valley, Victoria 304 Comment
  UC1010227  Helianthus petiolaris subsp. petiolaris John and Lucille Roos 1951-9-9 5199 San Bernardino Hwy 99 at Etiwanda Ave. (between Ontario and Fontana) 304 Comment
  UC1010232  Polygonum argyrocoleon John C. Roos 1953-3-26 5910 San Bernardino Loma Linda; on edge of orange orchard 335 Comment
  UC1010235  Eriogonum thurberi John C. Roos 1951-6-16 5063 San Bernardino Loma Linda San Bernardino Valley, Loma Linda 304 Comment
  UC1010236  Achnatherum John and Lucille Roos 1951-7-28 5067 San Bernardino head of Rathbone Creek San Bernardino Mts. 2560 Comment
  UC1010265  Triteleia laxa John and Lucille Roos 1952-4-13 5516 San Bernardino hills s of Loma Linda; San Bernardino Valley 381 Comment
  UC1010283  Tetradymia argyraea A. R. and J. C. Roos 1950-8-5 4903 San Bernardino Coliseum Mine, Clark Mts., e Mohave Desert Mohave Desert, Clark Mts. 1706 Comment
  UC1010284  Kallstroemia parviflora J. C. and A. R. Roos 1950-8-5 4904 San Bernardino Coliseum Mine eastern Mohave Desert, Clark Mts., Coliseum Mine (Clark Mts., eastern Mohave Desert) Comment
  UC1010287  Nolina parryi J. C. and A. R. Roos 1950-8-6 4910 San Bernardino ridge ne Kingston Peak; eastern Mohave Desert, Kingston Mts. 2133 Comment
  UC1010295  Tetradymia argyraea J. C. Roos 1950-9-2 4965 San Bernardino 1 mi se Coliseum Mine; Mojave Desert, Clark Mts. 1615 Comment
  UC1010299  Picradeniopsis multiflora John C. Roos 1950-9-1 4955 San Bernardino Coliseum Mine, e Mohave Desert Mohave Desert, Clark Mts. 1615 Comment
  UC1010300  Amaranthus torreyi John C. Roos 1950-9-1 4958 San Bernardino vicinity Coliseum Mine (e Mohave Desert); Mohave Desert, Clark Mts. 1615 Comment
  UC1010301  Sanvitalia abertii John C. Roos 1950-9-1 4954 San Bernardino near Coliseum Mine; Clark Mts, Mohave Desert 1645 Comment
  UC1010310  Oxytheca parishii var. parishii John and Lucille Roos 1950-9-23 4991 San Bernardino junction of Deep Creek and Hook Creek; San Bernardino Mts. 1447 Comment
  UC1010314  Digitaria sanguinalis John and Lucille Roos 1950-10-7 4997 San Bernardino 163 West Barton Road Grand Terrace 304 Comment
  UC1010320  Boerhavia wrightii John and Lucille Roos 1950-10-21 5018 San Bernardino Mohave Desert, Twenty-nine Palms 579 Comment
  UC1010323  Atriplex lentiformis John C. Roos 1950-10-31 5022 San Bernardino San Bernardino San Bernardino (237 South Waterman Ave.) 320 Comment
  UC1010324  Andropogon glomeratus var. pumilus John and Lucille Roos 1950-11-4 5023 San Bernardino s base San Bernardino Mts. Arrowhead Hot Springs; , Arrowhead Hot Springs 609 Comment
  UC1023389  Enneapogon desvauxii J. C. Roos 1950-9-3 4970 San Bernardino s side Clark Mt.; Mojave Desert 1828 Comment
  UC1023394  Plagiobothrys torreyi var. diffusus John and Lucille Roos 1951-6-9 5062 San Bernardino Running Springs San Bernardino Mts., Running Springs 1828 Comment
  UC1023409  Muhlenbergia porteri J. C. and A. R. Roos 1950-8-4 4889 San Bernardino north slopes of mts. eastern Mojave Desert, Clark Mts. 1219 Comment
  UC1023412  Achnatherum aridum J. C. and A. R. Roos 1950-8-5 4894 San Bernardino 1 1/2 mi sw Coliseum Mine; Mojave Desert, Clark Mts. 1737 Comment
  UC1023415  Sporobolus cryptandrus J. C. and A. R. Roos 1950-8-6 4909 San Bernardino between Horse Spring and Beck's Spring (Tecopa Pass); Kingston Mts., Tecopa Pass 1524 Comment
  UC1023416  Hydrocotyle verticillata J. C. and A. R. Roos 1950-8-7 4917 San Bernardino e. Mohave Desert, China Ranch 396 Comment
  UC1023419  Melica aristata John C. Roos 1950-8-12 4936 San Bernardino Vivian Creek; San Bernardino Mts. 2225 Comment
  UC1023422  Sporobolus flexuosus John C. Roos 1950-9-1 4949 San Bernardino Valley Wells Station Mojave Desert, Valley Wells Station 1127 Comment
  UC1023425  Bouteloua aristidoides var. aristidoides John C. Roos 1950-9-1 4959 San Bernardino vicinity of Coliseum Mine; eastern Mohave Desert, Clark Mts. 1645 Comment
  UC1023426  Portulaca halimoides John C. Roos 1950-9-1 4951 San Bernardino Valley Wells Eastern Mohave Desert 1127 Comment
  UC1023429  Boerhavia coulteri John C. Roos 1950-9-3 4980 San Bernardino e. Mohave Desert, Valley Wells 1127 Comment
  UC1023430  Sporobolus contractus John C. Roos 1950-9-3 4982 San Bernardino Clark Mts., Mountain Pass e. Mohave Desert, Clark Mts., Mountain Pass 1524 Comment
  UC1023431  Eriochloa acuminata var. acuminata John C. Roos 1950-9-9 4985 San Bernardino San Bernardino Valley, Loma Linda, San Bernardino St. and Barton Ave. San Bernardino Valley; , Loma Linda 365 Comment
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Jan 28 2015
  UC1023434  Sporobolus flexuosus John and Lucille Roos 1950-10-21 5016 San Bernardino Joshua Tree n. base Little San Bernardino Mts., Joshua Tree 914 Comment
  UC1042974  Galinsoga parviflora var. parviflora John C. Roos 1954-5-11 6116 San Bernardino corner of Central and Anderson; Loma Linda 320 Comment
  UC1042977  Helianthus ciliaris John and Lucille Roos 1954-6-5 6124 San Bernardino near corner of Richardson and Gould Streets (ne of Loma Linda); San Bernardino Valley 304 Comment
  UC1043022  Linanthus aureus subsp. aureus John and Lucille Roos 1952-5-17 5673 San Bernardino Adelanto Mohave Desert 944 Comment
  UC1043026  Aristida purpurea var. nealleyi John and Lucille Roos 1952-5-11 5655 San Bernardino 2 1/2 mi se Loma Linda; Scott's Canyon 426 Comment
  UC1263315  Tetradymia argyraea J. C. Roos and R. Weatherby 1949-9-2 3574 San Bernardino n side Kingston Mts. (ne San Bernardino County, e Mojave Desert); Mojave Desert 1920 Comment
  UC1494263  Berberis nevinii J. C. Roos 1996-2-10 San Bernardino s Redlands (San Timoteo Canyon) Comment
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Oct 23 2014
  UC1494270  Ambrosia monogyra J. C. Roos 1947-5-11 3608 San Bernardino n of Rialto (Fontana Power Station) Comment
  UC809591  Tetradymia argyraea J. C. Roos and R. Weatherby 1949-9-2 3574 San Bernardino n side Kingston Mts. (ne San Bernardino County); ; N side of Kingston Mts., NE San Bernardino Co. 1920 Comment
  UCD117866  Gilia ochroleuca John Roos; Lucille Roos 1952-5-17 5676 San Bernardino 8 miles west of Adelanto, Mohave desert. 944 Comment
  UCD129091  Arida carnosa J. C. Roos 1956-8-2 6591 San Bernardino north side of Highway 99, 0.2 miles west of Waterman Avenue, San Bernardino Valley. Comment
  UCD129325  Artemisia ludoviciana J. C. Roos 1949-9-2 4639 San Bernardino Kingston Mountains. 1828 Comment
  UCD130451  Chrysothamnus viscidiflorus J. C. Roos; R. Weatherby 1949-9-2 4643 San Bernardino Kingston Mountains. 1828 Comment
  UCD131233  Dyssodia papposa John Roos; Lucille Roos 1952-5-1 5056 -a San Bernardino corner of Central and Anderson, Loma Linda. 335 Comment
  UCD56189  Avena barbata J. C. Roos 1965-6-6 s.n. San Bernardino San Bernardino Mountains. Mill Creek. Comment
  UCR18573  Tetradymia stenolepis John C. Roos 1949-8-14 4616 San Bernardino Eastern Mojave Desert, Barnwell in the New York Mtns. area 1463 Comment
  UCR18576  Oreonana vestita John C. Roos 1949-7-4 3563 San Bernardino San Bernardino Mtns., High ridge near Mt San Gorgonio. 3354 Comment
  UCR18588  Tetradymia spinosa var. longispina John C. Roos 1965-5-20 s.n. San Bernardino Mojave Desert, Hesperia Comment
  UCR18599  Chrysothamnus depressus John C. Roos 1949-8-13 4607 San Bernardino Eastern Mojave Desert, Keystone Canyon, New York Mtns. 1768 Comment
  UCR18633  Artemisia bigelovii John C. Roos 1948-9-19 s.n. San Bernardino Eastern Mojave Desert, Clark Mountain 1523 Comment
  UCR18639  Amaranthus torreyi John C. Roos 1950-9-1 4958 San Bernardino Eastern Mojave Desert, vicinity of Coloseum Mine, Clark Mountain 1616 Comment
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Oct 17 2007
  UCR18646  Rhus aromatica John C. Roos 1950-8-4 s.n. San Bernardino Eastern Mojave Desert, north side of Clark Mountain 1220 Comment
  UCR18647  Sanvitalia abertii John C. Roos 1950-9-1 4954 San Bernardino Eastern Mojave Desert, vicinity of Coloseum Mine, Clark Mountain 1616 Comment
  UCR18668  Rhus integrifolia John C. Roos 1950-2-21 4709 San Bernardino San Bernardino Valley, Santa Ana River wash north of Redlands. About 300 yds. NE of the Orange St. bridge 400 Comment
  UCR18744  Glechoma hederacea John C. Roos 1954-4-7 6059 San Bernardino San Bernardino Valley, Loma Linda Hospital grounds, Loma Linda. 351 Comment
  UCR18745  Artemisia ludoviciana John C. Roos 1965-10-30 s.n. San Bernardino San Bernardino Mtns., Fish Creek Comment
  UCR18754  Arabis parishii John C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mtns, Bear Valley near Fawnskin Comment
  UCR18761  Descurainia sophia John C. Roos 1966-3-27 s.n. San Bernardino San Bernardino Valley, Loma Linda 396 Comment
  UCR18762  Berberis nevinii John C. Roos 1947-4-12 3564 San Bernardino San Bernardino Valley, San Timoteo Canyon, 1.3 mi SE of Redlands Station Comment
  UCR18788  Adiantum aleuticum John C. Roos 1949-7-2 4529 San Bernardino San Bernardino Mountains, Snow Canyon [Rattlesnake Creek], Mill Creek 2104 Comment
  UCR18813  Ericameria pinifolia John C. Roos 1965-10-30 s.n. San Bernardino San Bernardino Mtns, Mill Creek 915 Comment
  UCR18834  Ivesia jaegeri John C. Roos 1949-6-24 4478 San Bernardino Eastern Mojave Desert, N slope of Clark Mountain 2134 Comment
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Dec 10 2008
  UCR18835  Ivesia santolinoides John C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mtns., Arrowbear Comment
  UCR18836  Potentilla saxosa John C. Roos 1949-6-27 4505 San Bernardino Eastern Mojave Desert, north side of Kingston Mountains 1982 Comment
  UCR18837  Sherardia arvensis John C. Roos 1948-4-21 3776 San Bernardino San Bernardino Valley, Loma Linda 396 Comment
  UCR18854  Euphorbia maculata John C. Roos 1965-7-28 s.n. San Bernardino San Bernardino Valley, Loma Linda 396 Comment
  UCR18861  Galium wrightii John C. Roos 1948-9-18 4046 San Bernardino Eastern Mojave Desert, north side of Clark Mountain 2134 Comment
  UCR18868  Senecio triangularis John C. Roos 1965-7-31 s.n. San Bernardino San Bernardino Mtns, South Fork Meadows on the upper Santa Ana River in the San Gorgonio Wilderness Area 2622 Comment
  UCR18873  Prunella vulgaris John C. Roos 1965-7-31 s.n. San Bernardino San Bernardino Mtns, South Fork of the Santa Ana River in the San Gorgonio Wilderness Area 2439 Comment
  UCR18875  Clarkia heterandra John C. Roos 1947-6-14 3678 San Bernardino San Bernardino Mtns, near Crestline, behind the Crestline Bowl 1433 Comment
  UCR18877  Sisyrinchium bellum John C. Roos 1965-7-31 s.n. San Bernardino San Bernardino Mtns, South Fork Meadows on the upper Santa Ana River in the San Gorgonio Wilderness Area 2622 Comment
  UCR18897  Endolepis covillei John C. Roos 1949-4-30 4265 San Bernardino Mojave Desert, Lucerne Valley, Rabbit Springs 884 Comment
  UCR18911  Delphinium cardinale John C. Roos 1947-5-11 s.n. San Bernardino San Bernardino Valley, Fontana Power Station, N. of Rialto 488 Comment
  UCR18921  Prunus emarginata John C. Roos 1969-7-5 s.n. San Bernardino San Bernardino Mtns., Upper Fish Creek 2683 Comment
  UCR18940  Oxytropis oreophila John C. Roos 1936-7-30 947 San Bernardino San Bernardino Mountains, San Gorgonio Peak 3354 Comment
  UCR18963  Spergularia marina John C. Roos 1947-5-10 3623 San Bernardino San Bernardino Valley, Loma Linda 396 Comment
  UCR18966  Polycarpon tetraphyllum John C. Roos 1952-8-27 5887 San Bernardino San Bernardino Valley, Loma Linda 335 Comment
  UCR18972  Chenopodium incanum var. occidentale John C. Roos 1949-6-22 4456 San Bernardino Eastern Mojave Desert, New York Mtns, Barnwell 1494 Comment
  UCR19001  Lotus corniculatus Alfred R. Roos 1961-7-5 s.n. San Bernardino San Bernardino Valley, Loma Linda 396 Comment
  UCR19008  Cressa truxillensis John C. Roos 1948-9-19 4038 San Bernardino Eastern Mojave Desert, Soda Springs, near Baker 300 Comment
  UCR19020  Monolepis nuttalliana John C. Roos 1954-3-5 6047 San Bernardino Northern Mojave Desert, Trona Pinnacles, 10 mi. south of Trona Comment
  UCR19021  Monolepis spathulata John C. Roos 1937-7-23 1986 San Bernardino San Bernardino Mtns., Big Meadows at Heart Bar State Park. 2073 Comment
  UCR19031  Epilobium paniculatum John C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mtns, east end of Bear Valley Comment
  UCR19032  Epilobium densiflorum John C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mtns, Snow Valley Comment
  UCR19041  Limosella aquatica John C. Roos 1937-7-19 1160 San Bernardino San Bernardino Valley, [2 miles] south of San Bernardino 320 Comment
  UCR19052  Mimulus moschatus John C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mtns, Snow Valley Comment
  UCR19063  Canbya candida John C. Roos 1952-5-10 5633 San Bernardino Mojave Desert, Kramer Hills 854 Comment
  UCR19069  Linanthus ciliatus John C. Roos, L. Roos 1953-6-18 5921 San Bernardino San Bernardino Mtns., Cedarpines Park 1524 Comment
  UCR19071  Geranium californicum John C. Roos 1965-7-17 s.n. San Bernardino San Bernardino Mountains, South Fork Meadows on the upper Santa Ana River 2591 Comment
  UCR19086  Symphoricarpos parishii John C. Roos 1965-6-26 s.n. San Bernardino San Bernardino Mtns, Upper Santa Ana River Basin, near Fish Creek 2134 Comment
  UCR19100  Eremalche exilis John C. Roos 1965-6-16 s.n. San Bernardino Western Mojave Desert, four miles north of Adelanto 854 Comment
  UCR19131  Agastache urticifolia John C. Roos 1946-8-31 2990 San Bernardino San Bernardino Mtns., Oak Glen, irrigation ditch behind Oak Glen School 1433 Comment
  UCR19132  Acer glabrum John C. Roos 1949-6-24 1269 San Bernardino Eastern Mojave Desert, Clark Mountain 2287 Comment
  UCR19141  Verbena scabra John C. Roos 1951-9-29 5307 San Bernardino San Bernardino Valley, Warm Creek near east San Bernardino 305 Comment
  UCR19158  Ipomopsis polycladon John C. Roos 1949-6-18 4394 San Bernardino Eastern Mojave Desert, Mountain Pass, on the south side of Clark Mountain 1524 Comment
  UCR19169  Hypericum anagalloides John C. Roos 1937-7-22 1167 San Bernardino San Bernardino Mtns., South Fork Meadows, upper Santa Ana River, San Gorgonio Wilderness Area. 2439 Comment
  UCR19171  Eriodictyon angustifolium John C. Roos 1949-6-20 4410 San Bernardino Eastern Mojave Desert, New York Mountains, Keystone Canyon 1738 Comment
  UCR19178  Forestiera pubescens John C. Roos 1949-6-23 4470 San Bernardino Eastern Mojave Desert, Rock Spring, Mid Hills 1463 Comment
  UCR19183  Juglans californica John C. Roos 1966-4-3 s.n. San Bernardino San Bernardino Valley, NW of San Bernardino at the intersection of Palm Avenue and Kendall Drive 518 Comment
  UCR19184  Hesperochiron californicus John C. Roos 1949-4-30 4269 San Bernardino Mojave Desert, Lucerne Valley, Rabbit Springs 887 Comment
  UCR19185  Schkuhria multiflora var. multiflora John C. Roos 1950-9-1 4955 San Bernardino Eastern Mojave Desert, vicinity of Coloseum Mine, Clark Mountain 1616 Comment
  UCR19210  Stylomecon heterophylla John C. Roos 1973-4-14 s.n. San Bernardino San Bernardino Valley, Loma Linda Hills Comment
  UCR19218  Abies concolor John C. Roos, R. J. Weatherby 1949-9-2 3570 San Bernardino Eastern Mojave Desert, north slope of Kingston Peak 2165 Comment
  UCR19232  Gnaphalium canescens subsp. beneolens John C. Roos 1947-8-23 3741 San Bernardino San Bernardino Valley, Loma Linda Hills 427 Comment
  UCR19242  Selaginella watsonii John C. Roos 1965-7-17 s.n. San Bernardino San Bernardino Mountains, San Gorgonio Wilderness Area near Dry Lake 2774 Comment
  UCR19263  Eriogonum plumatella John C. Roos 1965-7-21 s.n. San Bernardino Mojave Desert, Victorville Comment
  UCR19265  Eriogonum heermannii var. sulcatum John C. Roos, R. Weatherby 1949-9-2 3575 San Bernardino NE Mojave Desert, north side of the Kingston Mtns. 1921 Comment
  UCR19287  Phleum alpinum John C. Roos 1965-7-31 s.n. San Bernardino San Bernardino Mtns, South Fork Meadows on the upper Santa Ana River in the San Gorgonio Wilderness Area 2622 Comment
  UCR19289  Stipa parishii John C. Roos 1949-6-27 4517 San Bernardino Eastern Mojave Desert, north side of Kingston Mtns. 2073 Comment
  UCR19290  Stipa comata John C. Roos 1949-6-19 4396 San Bernardino Eastern Mojave Desert, SE base of Clark Mountain 1829 Comment
  UCR19292  Puccinellia nuttalliana John C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mtns, Big Bear Valley along the lake 2058 Comment
  UCR19301  Schismus barbatus John C. Roos 1950-5-4 4775 San Bernardino San Bernardino Valley, San Bernardino, 11th and G Streets 305 Comment
  UCR19302  Schismus barbatus John C. Roos 1950-4-26 4761 San Bernardino Southern Mojave Desert, Lucerne Valley, north base of the San Bernardino Mountains 899 Comment
  UCR19341  Festuca saximontana John C. Roos 1946-9-4 2959 San Bernardino San Bernardino Mtns., San Gorgonio Ridge 3445 Comment
  UCR19342  Festuca saximontana John C. Roos 1946-9-4 2958 San Bernardino San Bernardino Mtns., High Creek 2744 Comment
  UCR19351  Melica stricta John C. Roos 1963-6-15 s.n. San Bernardino San Bernardino Mtns., Between Fish Creek and Heart Bar Creek 2195 Comment
  UCR19366  Deschampsia danthonioides John C. Roos 1950-4-26 4762 San Bernardino Mojave Desert, Rabbit Springs, north of Lucerne Valley 884 Comment
  UCR19370  Muhlenbergia californica John C. Roos 1946-8-31 2927 San Bernardino San Bernardino Mtns., Oak Glen 1707 Comment
  UCR19492  Bidens frondosa John C. Roos 1965-9-13 s.n. San Bernardino Mojave Desert, Victorville, Mojave River bottom 762 Comment
  UCR19498  Xanthium spinosum John C. Roos 1965-7-21 s.n. San Bernardino San Bernardino Valley, Loma Linda 396 Comment
  UCR19509  Pentachaeta aurea John C. Roos 1943-4-11 2609 San Bernardino San Bernardino Valley, Santa Ana River wash north of Redlands, at Pinney's Rock Crushing Plant 396 Comment
  UCR19514  Raillardella argentea John C. Roos 1936-7-30 952 San Bernardino San Bernardino Mtns., Grayback Ridge 3354 Comment
  UCR19515  Chrysothamnus viscidiflorus var. stenophyllus John C. Roos 1956-9-21 6600 San Bernardino San Bernardino Mtns, San Bernardino National Forest, Rose Mine, c. 3/4 mi. (airline) NE of Round Valley Campground. 2073 Comment
  UCR19516  Holodiscus microphyllus John C. Roos, L. Roos 1949-6-27 4518 San Bernardino Eastern Mojave Desert, north side of Kingston Mtns 2134 Comment
  UCR19523  Veronica persica John C. Roos 1950-6-3 4821 San Bernardino San Bernardino Valley, Loma Linda University campus, Loma Linda 323 Comment
  UCR19527  Verbascum thapsus John C. Roos 1965-7-24 s.n. San Bernardino San Bernardino Mtns, Mountain Home Canyon Comment
  UCR19533  Hymenoxys cooperi John C. Roos 1948-9-18 4063 San Bernardino Eastern Mojave Desert, north slope of Clark Mountain 1829 Comment
  UCR19543  Brickellia californica John C. Roos 1948-9-18 4057 San Bernardino Eastern Mojave Desert, north slope of Clark Mountain 1829 Comment
  UCR19544  Aster frondosus John C. Roos 1965-9-13 s.n. San Bernardino Mojave Desert, Victorville, Mojave River bottom 762 Comment
  UCR19657  Bromus hallii John C. Roos 1965-7-17 s.n. San Bernardino San Bernardino Mtns, Stetson Creek, Barton Flats 1951 Comment
  UCR19674  Bouteloua gracilis John C. Roos 1948-9-18 4062 San Bernardino Eastern Mojave Desert, north slope of Clark Mountain 1677 Comment
  UCR19675  Bouteloua eriopoda John C. Roos 1948-9-19 4031 San Bernardino Eastern Mojave Desert, N side of Clark Mountain along the powerline road 1067 Comment
  UCR19676  Bouteloua eriopoda John C. Roos 1949-6-23 4462 San Bernardino Eastern Mojave Desert, Lanfair Valley, NW of Hackberry Mtn. 1311 Comment
  UCR19677  Bouteloua curtipendula John C. Roos 1949-5-28 4364 San Bernardino Eastern Mojave Desert, Clark Mountain 1646 Comment
  UCR19704  Tetradymia argyraea John C. Roos 1950-9-2 4965 San Bernardino Eastern Mojave Desert, 1 mi SE of Coloseum Mine, Clark Mountain 1616 Comment
  UCR19705  Sanvitalia abertii John C. Roos, A. R. Roos 1950-8-5 4893 San Bernardino Eastern Mojave Desert, 1 mi south of Coloseum Mine, Clark Mountain 1646 Comment
  UCR19727  Halimolobos diffusa var. jaegeri John C. Roos, A. R. Roos 1950-8-6 4914 San Bernardino NE Mojave Desert, north face of Kingston Peak, Kingston Mtns. 2165 Comment
  UCR19737  Calochortus invenustus John C. Roos 1953-7-4 5926 San Bernardino San Bernardino Mtns., Barton Flats near store 1921 Comment
  UCR20302  Arenaria congesta John C. Roos 1949-6-21 3557 San Bernardino Eastern Mojave Desert, New York Mtns, ridge of New York Peak 2226 Comment
  UCR20321  Ericameria cuneata John C. Roos, R. Weatherby 1949-9-2 4641 San Bernardino Eastern Mojave Desert, north slope of the Kingston Range 2073 Comment
  UCR20383  Forestiera pubescens John C. Roos 1947-6-21 3702 San Bernardino Mojave Desert, Lucerne Valley, Rabbit Springs 884 Comment
  UCR20398  Heuchera rubescens John C. Roos 1949-5-28 4351 San Bernardino Eastern Mojave Desert, north slope Clark Mountain 1829 Comment
  UCR20431  Artemisia ludoviciana John C. Roos 1949-9-2 4639 San Bernardino Eastern Mojave Desert, north slope of the Kingston Range 2073 Comment
  UCR20450  Polygonum argyrocoleon John C. Roos 1953-3-26 5910 San Bernardino San Bernardino Valley, Loma Linda 354 Comment
  UCR20451  Digitaria ischaemum John C. Roos 1952-9-25 5898 San Bernardino San Bernardino Valley, Loma Linda Comment
  UCR20452  Stipa lettermanii John C. Roos, L. Roos 1950-6-24 4842 San Bernardino San Bernardino Mtns, Moonridge, Bear Valley 2226 Comment
  UCR20463  Stipa parishii John C. Roos, A. R. Roos 1950-8-5 4895 San Bernardino Eastern Mojave Desert, 1.5 mi SW of Coloseum Mine, Clark Mountain 1738 Comment
  UCR20464  Aristida purpurea var. purpurea John C. Roos, A. R. Roos 1950-8-5 4906 San Bernardino Eastern Mojave Desert, north slopes of the Clark Mountain along power line road 1280 Comment
  UCR20465  Sporobolus cryptandrus John C. Roos 1950-8-12 4932 San Bernardino San Bernardino Mtns., Mill Creek near junction of Vivian Creek 1829 Comment
  UCR20467  Muhlenbergia arsenei John C. Roos, A. R. Roos 1950-8-5 4896 San Bernardino Eastern Mojave Desert, 1.5 mi SW of Coloseum Mine, Clark Mountain 1738 Comment
  UCR20527  Eriogonum umbellatum var. juniporinum John C. Roos, R. Weatherby 1949-9-2 4645 San Bernardino Eastern Mojave Desert, NE side of Kingston Peak, Kingston Mountains 2134 Comment
  UCR20529  Portulaca halimoides John C. Roos, L. Roos 1952-10-18 5900 San Bernardino Mojave Desert, Hidden Valley Campground, Little San Bernardino Mtns. 1220 Comment
  UCR20614  Puccinellia parishii John C. Roos, L. Roos 1950-4-26 4768 San Bernardino Mojave Desert, Rabbit Springs, north of Lucerne Valley 884 Comment
  UCR20615  Sorghum bicolor John C. Roos 1965-9-12 s.n. San Bernardino San Bernardino Valley, Loma Linda Comment
  UCR20616  Agrostis scabra John C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mtns, Big Bear Valley along the lake 2058 Comment
  UCR208919  Plantago indica John C. Roos 1937-11-1 006 San Bernardino San Bernardino Mtns., Blue Jay Camp 1585 Comment
  UCR23245  Plantago major John C. Roos 1950-5-13 4806 San Bernardino Southern Mojave Desert, Lucerne Valley, Rabbit Springs 884 Comment
  UCR23247  Hesperocnide tenella John C. Roos 1969-5-17 s.n. San Bernardino San Bernardino Valley, Loma Linda Hills 367 Comment
  UCR23249  Panicum miliaceum John C. Roos 1958-5-10 s.n. San Bernardino San Bernardino Valley, 204 Tulip, Loma Linda Comment
  UCR23255  Clematis pauciflora John C. Roos 1952-6-8 5738 San Bernardino San Bernardino Valley, San Timoteo Canyon south of Redlands 457 Comment
  UCR23277  Sporobolus flexuosus John C. Roos, L. Roos 1950-10-21 5016 San Bernardino Mojave Desert, Joshua Tree [city], N base of Little San Bernardino Mtns. 915 Comment
  UCR23279  Boerhavia wrightii John C. Roos, L. Roos 1950-10-21 5018 San Bernardino Mojave Desert, Twentynine Palms 579 Comment
  UCR23280  Centaurea repens John C. Roos 1950-10-27 5019 San Bernardino San Bernardino Valley, San Bernardino, corner of 9th Street and Waterman Avenue 336 Comment
  UCR23317  Phalaris minor John C. Roos 1952-4-21 5564 San Bernardino San Bernardino Valley, Loma Linda 305 Comment
  UCR23323  Elymus condensatus John C. Roos 1952-5-16 5671 San Bernardino San Bernardino Valley, 1 mi west of Colton 320 Comment
  UCR23324  Senecio astephanus John C. Roos, L. Roos 1952-6-14 5771 San Bernardino San Bernardino Mtns., Mill Creek south of Mill Creek Public Camp 1159 Comment
  UCR23325  Monardella macrantha subsp. hallii John C. Roos, Lucille Roos 1952-6-14 5770 San Bernardino San Bernardino Mtns., Mill Creek south of Mill Creek Public Camp 1159 Comment
  UCR23326  Suaeda moquinii Alfred R. Roos 1947-7-22 s.n. San Bernardino San Bernardino Valley, Loma Linda 305 Comment
  UCR23327  Atriplex argentea subsp. expansa Alfred R. Roos 1947-7-22 s.n. San Bernardino San Bernardino Valley, Loma Linda 305 Comment
  UCR23333  Cirsium arizonicum var. tenuisectum John C. Roos 1949-8-13 4615 San Bernardino Eastern Mojave Desert, Keystone Canyon, New York Mtns. 1768 Comment
  UCR23343  Pellaea mucronata John C. Roos 1947-3-8 3310 San Bernardino San Bernardino Mountains, Deep Creek 1159 Comment
  UCR23344  Pellaea truncata John C. Roos 1949-6-21 4431 San Bernardino Eastern Mojave Desert, New York Mountains, south slope 2134 Comment
  UCR23345  Polypodium hesperium John C. Roos 1937-7-23 1765 San Bernardino San Bernardino Mountains, Fish Creek, upper Santa Ana River 1982 Comment
  UCR23353  Asplenium vespertinum John C. Roos 1942-3-28 1087 San Bernardino San Bernardino Valley, Canyon above plateau, Reche Canyon, near Loma Linda Comment
  UCR23355  Athyrium filix-femina John C. Roos 1961-8-6 s.n. San Bernardino San Bernardino Mountains, north slope of Green Canyon 2500 Comment
  UCR23359  Cheilanthes wootonii John C. Roos 1949-6-22 4441 San Bernardino Eastern Mojave Desert, New York Mountains, north side of the mouth of Keystone Canyon 1677 Comment
  UCR23373  Pinus coulteri John C. Roos 1965-7-17 s.n. San Bernardino San Bernardino Mtns, near [Angelus Oaks] Camp Angelus 1890 Comment
  UCR23377  Pinus attenuata John C. Roos 1942-1-24 1007 San Bernardino San Bernardino Mtns., City Creek Comment
  UCR23382  Berberis haematocarpa John C. Roos 1949-6-22 4437 San Bernardino Eastern Mojave Desert, New York Mtns., at and near Lecyr Well 1524 Comment
  UCR23395  Bupleurum subovatum John C. Roos 1961-5-3 s.n. San Bernardino San Bernardino Valley, Loma Linda, residence at 24862 Tulip Ave. 305 Comment
  UCR23399  Lomatium dissectum John C. Roos 1967-6-24 s.n. San Bernardino San Bernardino Mtns., Heart Bar State Park Comment
  UCR23407  Sarcostemma cynanchoides John C. Roos 1940-6-24 1896 San Bernardino San Bernardino Valley, Loma Linda Hills 457 Comment
  UCR23413  Apocynum androsaemifolium John C. Roos 1946-9-21 3053 San Bernardino San Bernardino Mtns, Snow Valley (Fish Camp) [=Fisherman Campground, NW of Snow Valley?] 2043 Comment
  UCR23417  Amaranthus torreyi John C. Roos, A. R. Roos 1950-8-5 4905 San Bernardino Eastern Mojave Desert, Coloseum Mine, Clark Mountain 1707 Comment
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Oct 17 2007
  UCR23419  Amaranthus palmeri John C. Roos 1940-6-24 1895 San Bernardino San Bernardino Valley, Loma Linda 305 Comment
  UCR23423  Amaranthus powellii John C. Roos 1954-11-21 6257 San Bernardino San Bernardino Valley, Loma Linda 336 Comment
  UCR23427  Amaranthus californicus John C. Roos 1937-7-26 1936 San Bernardino San Bernardino Mtns., Big Bear Valley, near Pine Knot [vicinity of Pine Knot Blvd., city of Big Bear Lake] 2073 Comment
  UCR23429  Thysanocarpus curvipes John C. Roos 1947-3-8 3313 San Bernardino San Bernardino Mountains, Deep Creek 1159 Comment
  UCR23437  Rorippa sphaerocarpa John C. Roos 1946-9-15 3033 San Bernardino San Bernardino Mountains, Dry Lake 2759 Comment
  UCR23439  Lesquerella kingii John C. Roos 1949-6-21 4425 San Bernardino Eastern Mojave Desert, New York Mtns, Keystone Canyon 1829 Comment
  UCR23456  Ranunculus cymbalaria var. saximontanus John C. Roos 1946-8-29 2771 San Bernardino San Bernardino Mtns., Bear Valley, at the edge of the lake [Big Bear Lk.] 2058 Comment
  UCR23457  Ranunculus uncinatus John C. Roos 1940-7-18 1869 San Bernardino San Bernardino Mtns., Green Valley Comment
  UCR23462  Potentilla gracilis John C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mtns, Moonridge, Bear Valley 2226 Comment
  UCR23468  Epilobium densiflorum John C. Roos 1965-9-15 s.n. San Bernardino Mojave Desert, Victorville Comment
  UCR23473  Epilobium hallianum John C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mtns, Snow Valley Comment
  UCR23474  Ludwigia peploides John C. Roos 1965-9-15 s.n. San Bernardino Mojave Desert, Victorville Comment
  UCR23475  Epilobium glaberrimum John C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mtns, Snow Valley Comment
  UCR23477  Ceanothus tomentosus subsp. olivaceus John C. Roos 1966-3-31 s.n. San Bernardino San Bernardino Valley, in the hills of San Timoteo Canyon, near Redlands Blvd 305 Comment
  UCR23493  Galium munzii subsp. munzii John C. Roos 1949-6-21 4433 San Bernardino Eastern Mojave Desert, New York Mtns, Keystone Canyon 1829 Comment
  UCR23512  Rosa woodsii var. glabrata John C. Roos 1946-9-21 3047 San Bernardino San Bernardino Mtns., Cushenbury Spring 1280 Comment
  UCR23518  Epilobium canum John C. Roos 1946-10-5 3105 San Bernardino San Bernardino Mtns, Pipes Creek, east slope of San Bernardino Mtns 1372 Comment
  UCR23530  Epilobium glaberrimum John C. Roos 1937-7-21 1181 San Bernardino San Bernardino Mtns, South Fork of Santa Ana River 1921 Comment
  UCR23531  Epilobium ciliatum John C. Roos 1940-7-18 1868 San Bernardino San Bernardino Mtns., Green Valley Comment
  UCR23541  Ceanothus vestitus John C. Roos 1949-6-20 4421 San Bernardino Eastern Mojave Desert, New York Mountains, Keystone Canyon 1829 Comment
  UCR23550  Euphorbia palmeri John C. Roos 1965-6-26 s.n. San Bernardino San Bernardino Mtns., Upper Santa Ana River Comment
  UCR23565  Petunia parviflora John C. Roos 1967-6-20 s.n. San Bernardino San Bernardino Valley, Loma Linda 396 Comment
  UCR23567  Monardella odoratissima John C. Roos 1966-9-3 s.n. San Bernardino San Bernardino Mtns, along a rocky ridge between upper Fish Creek and North Fork Whitewater meadows 2988 Comment
  UCR23571  Phyllodoce breweri John C. Roos 1962-7-15 s.n. San Bernardino San Bernardino Mtns., San Gorgonio Peak Ridge 3354 Comment
  UCR23572  Pterospora andromedea John C. Roos 1969-8-9 s.n. San Bernardino San Bernardino Mtns, Fish Creek Meadows. Near the Saddle Comment
  UCR23585  Cryptantha micrantha var. lepida John C. Roos 1947-6-21 3705 San Bernardino San Bernardino Mtns, Running Springs 1838 Comment
  UCR23586  Cryptantha jamesii John C. Roos 1947-6-21 3687 San Bernardino San Bernardino Mtns., east end of Bear Valley 2134 Comment
  UCR23598  Barbarea orthoceras John C. Roos 1947-6-14 3673 San Bernardino San Bernardino Mtns, near Crestline, behind the Crestline Bowl 1433 Comment
  UCR23600  Malacothamnus fremontii John C. Roos 1947-6-21 3688 San Bernardino San Bernardino Mtns., Desert slope across the ridge NE of Baldwin Lake Comment
  UCR23601  Malacothamnus fremontii John C. Roos 1942-11-28 2585 San Bernardino San Bernardino Mtns., Deep Creek 915 Comment
  UCR23611  Modiola caroliniana John C. Roos 1956-5-20 6582 San Bernardino San Bernardino Valley, 114 Taylor St., Loma Linda 396 Comment
  UCR23622  Nama rothrockii John C. Roos 1937-7-28 1941 San Bernardino San Bernardino Mountains, Holcomb Valley, north of Delamar Mtn. 2287 Comment
  UCR23640  Lycopus americanus John C. Roos 1937-8-24 1201 San Bernardino San Bernardino Valley, San Bernardino 305 Comment
  UCR23641  Hedeoma nana subsp. californica John C. Roos 1949-6-22 4447 San Bernardino Eastern Mojave Desert, New York Mtns, canyon bottoms and up to the summit of Keystone Canyon. 2256 Comment
  UCR23651  Monardella exilis John C. Roos 1949-4-30 4280 San Bernardino Southern Mojave Desert, 5 mi west of Lucerne Valley 915 Comment
  UCR23666  Cerastium fontanum subsp. vulgare John C. Roos 1965-7-31 s.n. San Bernardino San Bernardino Mtns, South Fork Meadows on the upper Santa Ana River in the San Gorgonio Wilderness Area 2622 Comment
  UCR23667  Gentiana amarella John C. Roos 1966-8-6 s.n. San Bernardino San Bernardino Mtns., Fish Creek Meadows 2439 Comment
  UCR23670  Arenaria lanuginosa subsp. saxosa John C. Roos 1965-7-17 s.n. San Bernardino San Bernardino Mountains, South Fork [of the Santa Ana River] near Barton Flats 2439 Comment
  UCR23671  Gentianopsis simplex John C. Roos 1966-8-6 s.n. San Bernardino San Bernardino Mtns., Fish Creek Meadows 2439 Comment
  UCR23684  Peritoma lutea John C. Roos 1937-8-25 1192 San Bernardino Eastern Mojave Desert, 1 mi west of Mountain Pass 1445 Comment
  UCR23686  Heterocodon rariflorum John C. Roos 1937-5-28 821 San Bernardino San Bernardino Mtns./Mojave Desert, West Fork of Mojave River Comment
  UCR23689  Cuscuta indecora John C. Roos 1946-10-5 3109 San Bernardino San Bernardino Mtns./Southern Mojave Desert, The Pipes, a desert slope on the E side of the mountains, north of Yucca Valley. At mouth of canyon 1357 Comment
  UCR23698  Cerastium fontanum subsp. vulgare John C. Roos 1946-9-28 3098 San Bernardino San Bernardino Mtns., Near Fish Creek 2241 Comment
  UCR23728  Crepis acuminata John C. Roos 1965-6-26 s.n. San Bernardino San Bernardino Mtns., Upper Santa Ana River Comment
  UCR23730  Chrysanthemum leucanthemum John C. Roos 1966-6-26 s.n. San Bernardino San Bernardino Valley, private residence in City of Loma Linda 305 Comment
  UCR23750  Arceuthobium abietinum John C. Roos 1937-7-20 1917 San Bernardino San Bernardino Mtns, Barton Flats Comment
  UCR23758  Vitis girdiana John C. Roos 1947-6-21 3700 San Bernardino San Bernardino Mtns, Cushenbury Canyon, alkaline springs [probably Whiskey Springs] on north side of the mountains 1677 Comment
  UCR23764  Erigeron breweri var. breweri John C. Roos 1965-6-26 s.n. San Bernardino San Bernardino Mtns, Upper Santa Ana River Basin, near Fish Creek 2134 Comment
  UCR23769  Encelia farinosa John C. Roos 1965-6-6 s.n. San Bernardino Transverse Range; San Bernardino Mtns, Mill Creek near Fallsvale Comment
  UCR23784  Chrysothamnus nauseosus subsp. hololeucus John C. Roos, L. Roos 1950-10-17 5010 San Bernardino San Bernardino Valley, Little Pigeon Pass, Barton Road c. 2 mi. west of Loma Linda 320 Comment
  UCR23787  Gnaphalium canescens subsp. beneolens John C. Roos 1961-10-28 s.n. San Bernardino San Bernardino Mtns., Mill Creek, at the Marble Quarry Comment
  UCR23789  Erigeron lonchophyllus John C. Roos 1966-8-6 s.n. San Bernardino San Bernardino Mtns., Upper Fish Creek at Fish Creek Meadows. 2439 Comment
  UCR23791  Eriophyllum lanatum var. obovatum John C. Roos 1940-7-17 1889 San Bernardino San Bernardino Mtns, Green Valley 2195 Comment
  UCR23792  Eriophyllum confertiflorum John C. Roos 1965-6-26 s.n. San Bernardino San Bernardino Mtns, Upper Santa Ana River Basin, near Fish Creek 2134 Comment
  UCR23800  Gutierrezia sarothrae John C. Roos 1966-8-6 s.n. San Bernardino San Bernardino Mtns., Upper Fish Creek at Fish Creek Meadows. 2439 Comment
  UCR23811  Hieracium albiflorum John C. Roos 1965-7-17 s.n. San Bernardino San Bernardino Mtns., South Fork [of the Santa Ana River] 2591 Comment
  UCR23821  Helianthus nuttallii subsp. nuttallii John C. Roos 1965-9-22 s.n. San Bernardino Mojave Desert, near the cement plant, Victorville 823 Comment
  UCR23828  Gnaphalium stramineum John C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mtns, east end of Bear Valley Comment
  UCR23830  Cirsium arizonicum var. tenuisectum John C. Roos 1949-6-21 4436 San Bernardino Eastern Mojave Desert, New York Mtns, Keystone Canyon 1829 Comment
  UCR23832  Cirsium scariosum John C. Roos 1940-7-20 1888 San Bernardino San Bernardino Mtns., Green Valley, in a meadow 2134 Comment
  UCR23842  Andropogon glomeratus John C. Roos 1938-11-5 s.n. San Bernardino San Bernardino Mtns., Arrowhead Hot Springs, south side of the mountains Comment
  UCR23864  Glycyrrhiza lepidota John C. Roos 1965-6-16 s.n. San Bernardino Mojave Desert, Victorville 915 Comment
  UCR23869  Elymus elongatus John C. Roos 1967-11-25 s.n. San Bernardino San Bernardino Mtns., Mill Creek Comment
  UCR23870  Agropyron cristatum John C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mtns, Moonridge, Bear Valley 2226 Comment
  UCR23872  Bromus richardsonii John C. Roos 1940-7-30 1576 San Bernardino San Bernardino Mtns., Bear Valley near Boulder Bay 2134 Comment
  UCR23878  Aristida purpurea var. fendleriana John C. Roos 1949-6-22 4443 San Bernardino Eastern Mojave Desert, New York Mtns, Barnwell 1494 Comment
  UCR23883  Elymus salinus John C. Roos 1949-5-29 3539 San Bernardino Eastern Mojave Desert, Coloseum Mine, Clark Mountain 1707 Comment
  UCR23884  Elymus stebbinsii John C. Roos 1940-7-16 1865 San Bernardino San Bernardino Mtns., Green Valley Comment
  UCR23885  Agrostis stolonifera John C. Roos 1950-6-11 4829 San Bernardino San Bernardino Valley, Loma Linda, W Central Street 305 Comment
  UCR23889  Deschampsia cespitosa subsp. cespitosa John C. Roos 1940-8-3 1554 San Bernardino San Bernardino Mtns., east end of Bear Valley 2073 Comment
  UCR23890  Agrostis John C. Roos 1940-8-3 1557 San Bernardino San Bernardino Mtns., Bluff Lake 2317 Comment
  UCR23892  Danthonia californica var. americana John C. Roos 1947-6-21 3709 San Bernardino San Bernardino Mtns, Running Springs 1838 Comment
  UCR23903  Ericameria cuneata John C. Roos 1942-10-17 1737 San Bernardino San Bernardino Mtns, Mill Creek Canyon at Vivian Creek 2043 Comment
  UCR23904  Glycyrrhiza lepidota John C. Roos 1937-5-29 825 San Bernardino San Bernardino Mtns, Deep Creek Comment
  UCR23915  Trifolium monanthum var. grantianum John C. Roos 1947-6-27 3712 San Bernardino San Bernardino Mtns, South Fork of Santa Ana River 2165 Comment
  UCR23916  Bouteloua gracilis John C. Roos 1946-9-28 3089 San Bernardino San Bernardino Mtns., Upper Santa Ana Canyon, at the South Fork Public Camp 1936 Comment
  UCR23923  Aristida adscensionis John C. Roos 1937-6-26 1246 San Bernardino San Bernardino Valley, Redlands, Smiley Heights Comment
  UCR23924  Aristida adscensionis John C. Roos 1942-1-1 875 San Bernardino Mojave Desert, Los Padres Mine, south of Emerson Dry Lake 800 Comment
  UCR23936  Festuca californica var. parishii John C. Roos 1943-4-21 2633 San Bernardino San Bernardino Mtns, Waterman Canyon 854 Comment
  UCR23944  Ericameria cooperi John C. Roos 1949-5-14 4292 San Bernardino Mojave Desert/San Bernardino Mtns, 4 mi. west of Hesperia 1052 Comment
  UCR23954  Amorpha californica John C. Roos 1947-6-14 3677 San Bernardino San Bernardino Mtns, Crestline 1585 Comment
  UCR23955  Astragalus acutirostris John C. Roos 1949-4-30 4278 San Bernardino Southern Mojave Desert, Apple Valley 915 Comment
  UCR23959  Astragalus bicristatus John C. Roos 1937-7-28 1947 San Bernardino San Bernardino Mtns, Van Deusen Canyon [Caribou Creek], near Bear Valley 2195 Comment
  UCR23962  Bromus japonicus John C. Roos 1950-6-11 4830 San Bernardino San Bernardino Valley, Loma Linda, W Central Street 305 Comment
  UCR23974  Bouteloua curtipendula John C. Roos 1949-6-22 4442 San Bernardino Eastern Mojave Desert, New York Mountains, north side of the mouth of Keystone Canyon 1677 Comment
  UCR24006  Imperata brevifolia John C. Roos 1938-11-5 s.n. San Bernardino San Bernardino Mtns., Arrowhead Hot Springs, south side of the mountains Comment
  UCR24013  Panicum capillare John C. Roos 1965-9-15 s.n. San Bernardino Mojave Desert, Victorville Comment
  UCR24016  Phragmites australis John C. Roos 1965-9-22 s.n. San Bernardino Mojave Desert, near the cement plant, Victorville 823 Comment
  UCR24025  Lessingia glandulifera var. glandulifera John C. Roos 1946-8-29 2769 San Bernardino San Bernardino Mtns, East end of Bear Valley 2073 Comment
  UCR24026  Eragrostis mexicana subsp. virescens John C. Roos 1938-8-19 2760 San Bernardino San Bernardino Valley, Loma Linda 305 Comment
  UCR24027  Muhlenbergia andina John C. Roos 1943-11-6 2746 San Bernardino San Bernardino Mtns, upper Mill Creek Comment
  UCR24036  Glyceria elata John C. Roos 1940-8-3 1584 San Bernardino San Bernardino Mtns., S of Pine Knot [vicinity of Pine Knot Blvd., city of Big Bear Lake] Comment
  UCR24039  Phleum pratense John C. Roos 1940-7-16 1855 San Bernardino San Bernardino Mtns., Green Valley Comment
  UCR24044  Eragrostis mexicana subsp. virescens John C. Roos 1937-6-26 1247 San Bernardino San Bernardino Valley, Redlands 305 Comment
  UCR24045  Festuca rubra John C. Roos 1940-8-17 1594 San Bernardino San Bernardino Mtns, South Fork, above Lutheran Camp. Along the creek Comment
  UCR24055  Petradoria pumila John C. Roos 1949-6-22 4446 San Bernardino Eastern Mojave Desert, New York Mtns, Keystone Canyon. 1829 Comment
  UCR24056  Hordeum jubatum John C. Roos 1949-5-14 4306 San Bernardino S Mojave Desert, Lucerne Valley 884 Comment
  UCR24060  Muhlenbergia californica John C. Roos 1962-8-11 s.n. San Bernardino San Bernardino Mtns., quarry in Mill Creek Canyon. 2043 Comment
  UCR24077  Iva axillaris John C. Roos 1946-9-21 3086 San Bernardino N slope San Bernardino Mtns/S Mojave Desert, Box 'S' Springs 1082 Comment
Read comments
Jul 5 2014
  UCR24079  Leptochloa fascicularis John C. Roos 1946-9-21 3072 San Bernardino Mojave Desert, Rabbit Springs, Lucerne Valley 887 Comment
  UCR24080  Muhlenbergia asperifolia John C. Roos 1946-9-21 3069 San Bernardino Mojave Desert, Rabbit Springs, Lucerne Valley 887 Comment
  UCR24081  Paspalum distichum John C. Roos 1946-9-21 3068 San Bernardino Mojave Desert, Rabbit Springs, Lucerne Valley 887 Comment
  UCR24082  Lessingia glandulifera var. glandulifera John C. Roos 1946-9-20 3055 San Bernardino Mojave Desert, Apple Valley 899 Comment
  UCR24094  Atriplex spinifera John C. Roos 1965-9-18 s.n. San Bernardino Mojave Desert, 5 mi north of Kramer Junction Comment
  UCR24095  Atriplex torreyi John C. Roos 1946-9-21 3059 San Bernardino Southern Mojave Desert, Lucerne Valley 884 Comment
  UCR24099  Allium parryi John C. Roos 1947-6-21 3704 San Bernardino San Bernardino Mtns, Fawnskin, Bear Valley Comment
  UCR24107  Sparganium eurycarpum John C. Roos 1943-4-27 2628 San Bernardino San Bernardino Valley, swamp south of San Bernardino 305 Comment
  UCR24109  Atriplex truncata John C. Roos 1950-6-24 4844 San Bernardino Mojave Desert, Rabbit Springs 884 Comment
  UCR24113  Chenopodium capitatum John C. Roos 1946-8-29 2779 San Bernardino San Bernardino Mtns., Eagle Point, Bear Valley 2043 Comment
  UCR24114  Chenopodium fremontii John C. Roos 1966-8-6 s.n. San Bernardino San Bernardino Mtns., Cienaga Seca Creek, Heart Bar Ranch 2073 Comment
  UCR24135  Madia glomerata John C. Roos 1940-8-3 1585 San Bernardino San Bernardino Mtns., Bluff Lake 2317 Comment
  UCR24137  Madia glomerata John C. Roos 1937-6-26 1937 San Bernardino San Bernardino Mtns., Pine Knot, Bear Valley [vicinity of Pine Knot Blvd., city of Big Bear Lake] 2073 Comment
  UCR24145  Fritillaria pinetorum John C. Roos 1967-5-30 s.n. San Bernardino San Bernardino Mtns., north slope east of Big Meadow 2195 Comment
  UCR24146  Lilium parryi John C. Roos 1956-7-21 6590 San Bernardino San Bernardino Mtns, Moonridge, Bear Valley 2226 Comment
  UCR24155  Xanthium strumarium John C. Roos 1938-8-19 2754 San Bernardino San Bernardino Valley, Loma Linda 305 Comment
  UCR24157  Stephanomeria exigua subsp. exigua John C. Roos 1937-5-30 2497 San Bernardino Mojave Desert, Victorville Comment
  UCR24160  Stephanomeria cichoriacea John C. Roos 1965-10-2 s.n. San Bernardino San Bernardino mtns, East Fork Mountain Home Canyon Comment
  UCR24161  Senecio ionophyllus John C. Roos 1937-7-22 332 San Bernardino San Bernardino Mtns, Trail to South Fork Meadows 2500 Comment
  UCR24168  Solidago occidentalis John C. Roos 1937-8-27 2520 San Bernardino Mojave Desert, [Along the Mojave River], Victorville. Comment
  UCR24181  Cucurbita foetidissima John C. Roos 1952-6-13 5764 San Bernardino San Bernardino Valley, Reche Canyon 457 Comment
  UCR24193  Piperia leptopetala John C. Roos 1952-6-14 5773 San Bernardino San Bernardino Mtns., Mill Creek south of Mill Creek Public Camp 1159 Comment
  UCR24196  Yucca whipplei John C. Roos 1965-6-6 s.n. San Bernardino Transverse Range; San Bernardino Mtns, Mill Creek near Fallsvale Comment
  UCR24203  Triglochin maritima John C. Roos 1937-7-26 1932 San Bernardino San Bernardino Mtns., Big Bear Valley, near Pine Knot [vicinity of Pine Knot Blvd., city of Big Bear Lake] 2073 Comment
  UCR24205  Lemna trisulca John C. Roos 1942-11-28 2587 San Bernardino San Bernardino Mtns., Deep Creek 915 Comment
  UCR24206  Calochortus concolor John C. Roos, L. Roos 1952-6-14 5772 San Bernardino San Bernardino Mtns., Mill Creek south of Mill Creek Public Camp 1159 Comment
  UCR24216  Monolepis nuttalliana John C. Roos 1946-9-21 3081 San Bernardino San Bernardino Mtns, Baldwin Lake Comment
  UCR24223  Lewisia rediviva var. minor John C. Roos 1967-6-30 s.n. San Bernardino San Bernardino Mtns, east edge of Broom Flat 2409 Comment
  UCR24226  Gilia splendens John C. Roos 1947-6-14 3672 San Bernardino San Bernardino Mtns, Crestline 1585 Comment
  UCR24227  Gilia latiflora subsp. davyi John C. Roos 1949-4-30 4275 San Bernardino Mojave Desert, north of Hesperia, at intersection of Apple Valley Road and the railroad tracks 854 Comment
  UCR24234  Linanthus breviculus John C. Roos 1945-6-27 3724 San Bernardino San Bernardino Mtns., Barton Flats 2287 Comment
  UCR24237  Langloisia matthewsii John C. Roos 1949-5-14 4297 San Bernardino Southern Mojave Desert, Pickaninny Buttes 915 Comment
  UCR24244  Phlox gracilis John C. Roos 1967-5-30 s.n. San Bernardino San Bernardino Mountains, Broom Flat 2348 Comment
  UCR24245  Polemonium occidentale John C. Roos 1947-6-27 3723 San Bernardino San Bernardino Mountains, South Fork of Santa Ana River 2439 Comment
  UCR24246  Navarretia hamata John C. Roos, L. Roos 1952-6-14 5769 San Bernardino San Bernardino Mtns. foothills/San Bernardino Valley, Yucaipa, abandoned grain field 915 Comment
  UCR24256  Oxytheca parishii var. parishii John C. Roos 1965-7-17 s.n. San Bernardino San Bernardino Mtns, Kilpecker Creek Comment
  UCR24268  Eriogonum parishii John C. Roos 1966-8-6 s.n. San Bernardino San Bernardino Mtns., Fish Creek Comment
  UCR24275  Polygonum amphibium Alfred R. Roos 1937-11-20 s.n. San Bernardino San Bernardino Valley, East Highland; Edward's Reservoir 488 Comment
  UCR24276  Polygonum amphibium John C. Roos 1966-9-10 s.n. San Bernardino San Bernardino Mtns, Big Bear Lake 2073 Comment
  UCR24279  Polygonum convolvulus John C. Roos 1956-6-9 6587 San Bernardino San Bernardino Valley, city of San Bernardino; Victoria St. 320 Comment
  UCR24281  Polygonum kelloggii John C. Roos 1937-7-27 327 San Bernardino San Bernardino Mtns, Grout Bay, Bear Valley 2073 Comment
  UCR24282  Oxytheca parishii var. parishii John C. Roos 1965-10-2 s.n. San Bernardino San Bernardino Mtns, Camp Angelus 1829 Comment
  UCR24294  Montia linearis John C. Roos 1937-5-10 1190 San Bernardino San Bernardino Mtns., Crestline Comment
  UCR24295  Plantago virginica John C. Roos 1938-6-12 s.n. San Bernardino San Bernardino Valley, Loma Linda 305 Comment
  UCR24305  Canbya candida John C. Roos 1958-4-19 s.n. San Bernardino Mojave Desert, Hesperia Comment
  UCR24323  Eriogonum saxatile John C. Roos 1940-7-19 1881 San Bernardino San Bernardino Mtns., Running Springs 2012 Comment
  UCR24334  Androsace septentrionalis subsp. subumbellata John C. Roos 1946-9-15 3036 San Bernardino San Bernardino Mtns., summit of Mt. San Gorgonio 3491 Comment
  UCR24343  Stipa occidentalis John C. Roos 1965-7-18 s.n. San Bernardino San Bernardino Mtns, Bear Valley Comment
  UCR24349  Sorghum halepense John C. Roos 1938-8-19 2749 San Bernardino San Bernardino Valley, Loma Linda 305 Comment
  UCR24353  Sporobolus airoides John C. Roos 1946-9-21 3077 San Bernardino N slope San Bernardino Mtns/S Mojave Desert, Box 'S' Springs 1082 Comment
  UCR24359  Ambrosia psilostachya John C. Roos 1938-8-19 2750 San Bernardino San Bernardino Valley, Loma Linda 305 Comment
  UCR24360  Schismus barbatus John C. Roos 1950-4-17 4744 San Bernardino San Bernardino Valley, Loma Linda 335 Comment
  UCR24374  Tridens muticus John C. Roos 1949-5-28 3536 San Bernardino Eastern Mojave Desert, near Coloseum Mine, on the N slopes of Clark Mountain 1829 Comment
  UCR24382  Populus tremuloides John C. Roos 1965-6-26 s.n. San Bernardino San Bernardino Mtns., Upper Santa Ana River Comment
  UCR24394  Lithophragma parviflorum John C. Roos 1965-6-26 s.n. San Bernardino San Bernardino Mtns., Upper Santa Ana River Comment
  UCR24396  Stipa occidentalis John C. Roos 1946-9-15 3041 San Bernardino San Bernardino Mtns., above (W of) Dollar Lake 2927 Comment
  UCR24399  Artemisia tridentata John C. Roos 1946-9-21 3049 San Bernardino San Bernardino Mtns., NW end of Cactus Flat 1835 Comment
  UCR24403  Aster frondosus John C. Roos 1946-8-29 2780 San Bernardino San Bernardino Mtns., Bear Valley, at the edge of the lake [Big Bear Lk.] 2058 Comment
  UCR24405  Symphyotrichum lanceolatum var. hesperium John C. Roos 1946-10-2 3104 San Bernardino San Bernardino Valley, near Warm Creek, south of San Bernardino Comment
  UCR24406  Arida carnosa John C. Roos 1946-9-21 3044 San Bernardino San Bernardino Mtns., Cushenbury Spring 1280 Comment
  UCR24407  Arida carnosa John C. Roos 1946-9-21 3064 San Bernardino Mojave Desert, Rabbit Springs, Lucerne Valley 887 Comment
  UCR24417  Antennaria rosea John C. Roos 1965-6-26 s.n. San Bernardino San Bernardino Mtns., Upper Santa Ana River Comment
  UCR24424  Hemizonia fasciculata John C. Roos 1965-6-27 s.n. San Bernardino San Bernardino Valley, Loma Linda Hills 366 Comment
  UCR24426  Erigeron strigosus John C. Roos 1957-7-10 6654 San Bernardino San Bernardino Valley, Loma Linda 396 Comment
  UCR24429  Boykinia rotundifolia John C. Roos 1942-8-15 1953 San Bernardino San Bernardino Mtns., below Crestline, south side along 'high gear' road Comment
  UCR24436  Isocoma acradenia subsp. acradenia John C. Roos 1946-9-21 3070 San Bernardino Mojave Desert, Rabbit Springs, Lucerne Valley 887 Comment
  UCR24443  Celtis reticulata John C. Roos 1962-10-29 s.n. San Bernardino San Bernardino Valley, Yucaipa Comment
  UCR24444  Celtis reticulata John C. Roos 1962-5-7 s.n. San Bernardino Coastal Plains and Basins; San Bernardino Basin region, Yucaipa. 0.3 miles west of corner of Bryant St. and Oak Glen Road 823 Comment
  UCR24445  Viola macloskeyi John C. Roos 1962-6-2 s.n. San Bernardino San Bernardino Mtns, South Fork Santa Ana River 2317 Comment
Read comments
Oct 22 2014
  UCR24462  Urtica dioica subsp. holosericea John C. Roos 1937-8-4 1203 San Bernardino Mojave Desert, Victorville Comment
  UCR24468  Limosella aquatica John C. Roos 1946-10-5 3107 San Bernardino San Bernardino Mtns./Mojave Desert, The Pipes, desert slope on E side of San Bernardino Mtns north of Yucca Valley 1357 Comment
  UCR24476  Cordylanthus rigidus subsp. setiger John C. Roos 1946-10-5 3111 San Bernardino San Bernardino Mtns, Pipes Creek, east slope of San Bernardino Mtns 1372 Comment
  UCR24480  Cordylanthus nevinii John C. Roos 1940-8-17 1601 San Bernardino San Bernardino Mtns, South Fork of the Santa Ana River Comment
  UCR24481  Collinsia heterophylla var. austromontana John C. Roos 1956-5-26 6579 San Bernardino San Bernardino Mtns., Wildwood Cyn, near Yucaipa Comment
  UCR24493  Penstemon eatonii John C. Roos 1937-7-28 1945 San Bernardino San Bernardino Mtns, Van Deusen Canyon [Caribou Creek], near Bear Valley 2195 Comment
  UCR24499  Castilleja lasiorhyncha John C. Roos 1956-7-21 6589 San Bernardino San Bernardino Mtns, Snow Valley, north of Keller Peak 2058 Comment
  UCR24502  Mimulus pilosus John C. Roos 1949-6-21 4428 San Bernardino Eastern Mojave Desert, New York Mtns, New York Peak 2256 Comment
  UCR24510  Atriplex confertifolia John C. Roos 1946-9-20 3058 San Bernardino Southern Mojave Desert, alkalai flat near Lucerne Valley Comment
  UCR24520  Stillingia paucidentata Alfred R. Roos 1931-8-3 10779 San Bernardino Mojave Desert, Kramer Junction Comment
  UCR24551  Chenopodium album John C. Roos 1965-7-4 s.n. San Bernardino San Bernardino Valley, Loma Linda 306 Comment
Read comments
Jan 16 2015
  UCR24650  Brickellia oblongifolia John C. Roos 1946-10-5 3116 San Bernardino San Bernardino Mtns., Pipes Creek, in a rocky wash 2287 Comment
  UCR25114  Stipa X bloomeri John C. Roos, L. Roos 1951-7-28 5067 San Bernardino San Bernardino Mtns, Head of Rathbone Creek Comment
  UCR25124  Hypericum formosum John C. Roos 1966-8-13 s.n. San Bernardino San Bernardino Mtns, Fish Creek 2317 Comment
  UCR25125  Brickellia californica John C. Roos 1946-10-5 3115 San Bernardino San Bernardino Mtns., Pipes Creek, [upper] Pipes Canyon 2134 Comment
  UCR25129  Ericameria parryi var. imula John C. Roos, Lucille Roos 1951-7-28 5071 San Bernardino San Bernardino Mountains, Pine Knot, Bear Valley. [vicinity of Pine Knot Blvd., city of Big Bear Lake] 2073 Comment
  UCR25144  Dyssodia papposa John C. Roos, L. Roos 1951-5-31 5056 San Bernardino San Bernardino Valley, Loma Linda, corner of Central & Anderson. 335 Comment
  UCR25145  Verbena lasiostachys John C. Roos 1965-9-11 s.n. San Bernardino San Bernardino Mtns, Mill Creek Comment
  UCR25146  Amaranthus albus John C. Roos 1965-7-4 s.n. San Bernardino San Bernardino Valley, Loma Linda 306 Comment
  UCR25149  Euphorbia maculata John C. Roos, L. Roos 1951-7-28 5066 San Bernardino San Bernardino Valley, Hwy 99, near Alabama Street west of Redlands 366 Comment
  UCR25175  Eriochloa acuminata John C. Roos 1951-8-4 5080 San Bernardino San Bernardino Valley, [Loma Linda] south end of Mountain View Ave. 366 Comment
  UCR25176  Andropogon glomeratus John C. Roos, L. Roos 1950-11-4 5023 San Bernardino San Bernardino Mtns., Arrowhead Hot Springs, S base of the mountains 610 Comment
  UCR25199  Festuca grayi John C. Roos, L. Roos 1951-6-9 5060 San Bernardino San Bernardino Mtns., Fredalba 1768 Comment
  UCR25223  Oenothera John C. Roos 1949-6-22 4450 San Bernardino Eastern Mojave Desert, New York Mtns, canyon bottoms and up to the summit of Keystone Canyon. 2256 Comment
  UCR25239  Eragrostis mexicana subsp. virescens Alfred R. Roos 1947-12-2 s.n. San Bernardino San Bernardino Valley/San Bernardino Mtns. Foothills, Highland, east of San Bernardino 457 Comment
  UCR25247  Lewisia pygmaea John C. Roos 1946-9-4 3042 San Bernardino San Bernardino Mtns., Mt. San Gorgonio 3445 Comment
  UCR25249  Elatine gracilis John C. Roos 1965-7-17 s.n. San Bernardino San Bernardino Mountains, Dry Lake 2744 Comment
  UCR25259  Oreonana vestita John C. Roos 1946-9-15 3037 San Bernardino San Bernardino Mtns., San Gorgonio ridge 3293 Comment
  UCR25293  Bidens frondosa John C. Roos 1946-9-20 3054 San Bernardino Mojave Desert, Mojave River near Apple Valley 854 Comment
  UCR25295  Solidago confinis John C. Roos 1946-9-21 3043 San Bernardino N slope San Bernardino Mtns/S Mojave Desert, Box 'S' Springs 1082 Comment
  UCR25299  Elatine John C. Roos 1962-7-21 s.n. San Bernardino San Bernardino Mtns, Dry Lake 2764 Comment
  UCR25324  Muhlenbergia andina John C. Roos 1965-9-11 s.n. San Bernardino San Bernardino Mtns, quarry near Mill Creek 2073 Comment
  UCR25337  Eriogonum baileyi var. baileyi John C. Roos 1965-10-17 s.n. San Bernardino Mojave Desert, Desert flat at Phelan Rd., south of Victorville Comment
  UCR25356  Stipa lettermanii John C. Roos, L. Roos 1952-8-23 5886 San Bernardino San Bernardino Mtns, Stetson Creek, Barton Flats 1890 Comment
  UCR25357  Koeleria macrantha John C. Roos, L. Roos 1952-5-11 5657 San Bernardino San Bernardino Valley, Scott's Canyon, 2.5 mi. SE of Loma Linda 427 Comment
  UCR25359  Linanthus parryae John C. Roos, L. Roos 1952-5-10 5645 San Bernardino Mojave Desert, Adelanto 915 Comment
  UCR25360  Castilleja exserta subsp. venusta John C. Roos, L. Roos 1952-5-10 5632 San Bernardino Mojave Desert, Kramer Hills Comment
  UCR25376  Rubus pensilvanicus John C. Roos 1949-4-2 4137 San Bernardino San Bernardino Valley, NE corner of Waterman Ave. and Mill St., San Bernardino 309 Comment
  UCR25381  Caulanthus amplexicaulis var. amplexicaulis John C. Roos 1947-6-21 3690 San Bernardino San Bernardino Mtns., near Big Bear Lake 1890 Comment
  UCR25393  Langloisia matthewsii John C. Roos 1937-4-23 782 San Bernardino Southern Mojave Desert, Twentynine Palms 762 Comment
  UCR25394  Solanum elaeagnifolium John C. Roos 1937-4-27 771 San Bernardino Sonoran (Colorado) Desert, Needles Comment
  UCR25395  Coleogyne ramosissima John C. Roos 1937-4-23 784 San Bernardino Mojave Desert, 20 mi. west of Twentynine Palms (near Yucca Valley) 915 Comment
  UCR25396  Verbena scabra John C. Roos 1937-7-31 964 San Bernardino San Bernardino Valley, San Bernardino 305 Comment
  UCR25409  Arabis pulchra John C. Roos 1949-4-30 4260 San Bernardino Mojave Desert, 6 mi. SW of Hesperia 1067 Comment
  UCR25413  Eriogonum kennedyi var. austromontanum John C. Roos 1949-7-23 4581 San Bernardino San Bernardino Mtns., Holcomb Valley Comment
  UCR25414  Agrostis stolonifera John C. Roos 1949-11-16 4695 San Bernardino San Bernardino Valley, Loma Linda, N Anderson Street 323 Comment
  UCR25415  Poa fendleriana John C. Roos 1949-6-19 4399 San Bernardino Eastern Mojave Desert, south base of Clark Mountain 1921 Comment
  UCR25416  Eriastrum eremicum John C. Roos 1949-5-14 4303 San Bernardino Mojave Desert, in the Lucerne Valley, north of the base of the San Bernardino Mtns. 915 Comment
  UCR25417  Lasthenia gracilis John C. Roos, L. Roos 1952-5-10 5643 San Bernardino Mojave Desert, Adelanto 915 Comment
  UCR25419  Amsinckia tessellata John C. Roos, L. Roos 1952-5-10 5627 San Bernardino Mojave Desert, Kramer Hills Comment
  UCR25459  Deschampsia danthonioides John C. Roos 1967-5-29 s.n. San Bernardino San Bernardino Mtns., Summit Valley 976 Comment
  UCR25460  Panicum capillare John C. Roos 1963-8-18 s.n. San Bernardino San Bernardino Valley, Residential garden in Loma Linda 335 Comment
  UCR25610  Dactylis glomerata John C. Roos 1947-5-27 3650 San Bernardino San Bernardino Valley, Loma Linda, residential area 366 Comment
  UCR25720  Gilia australis John C. Roos, L. Roos 1952-5-11 5648 San Bernardino San Bernardino Valley, Scott's Canyon, 2.5 mi. SE of Loma Linda 427 Comment
  UCR25758  Allionia incarnata John C. Roos 1937-4-25 798 San Bernardino Southeastern Mojave Desert, west of Essex Comment
  UCR25769  Nicolletia occidentalis John C. Roos 1946-11-2 3150 San Bernardino Mojave Desert, Wash NW of Lone Star Ranch [Yucca Valley?; the site of a gas station north of Joshua Tree Nat. Mon.] Comment
  UCR25790  Chenopodium leptophyllum John C. Roos 1937-7-27 962 San Bernardino San Bernardino Mtns, Bear Valley Comment
  UCR25792  Cerastium fontanum subsp. vulgare John C. Roos 1952-5-12 5658 San Bernardino San Bernardino Valley, Loma Linda 320 Comment
  UCR25802  Eucrypta micrantha John C. Roos, L. Roos 1952-5-10 5639 San Bernardino Western Mojave Desert, 4 mi. northwest of Adelanto, near Red Raven Mine 823 Comment
  UCR25811  Castilleja plagiotoma John C. Roos 1949-4-30 4263 San Bernardino Mojave Desert, 6 mi. SW of Hesperia 1067 Comment
  UCR25851  Allenrolfea occidentalis John C. Roos 1937-4-25 791 San Bernardino Southern Mojave Desert, Bristol Dry Lake near Amboy 185 Comment
  UCR25866  Ditaxis serrata John C. Roos 1937-4-28 775 San Bernardino Sonoran Desert, Rose [Earp], near Parker, Arizona; junction of Parker Road with that going north 118 Comment
  UCR25907  Lupinus microcarpus var. densiflorus John C. Roos 1941-4-19 164 San Bernardino San Bernardino Valley, mouth of Reche Canyon, Hollow Hill Dairy 1200 Comment
  UCR25909  Lotus argyraeus var. multicaulis John C. Roos 1949-6-21 3556 San Bernardino Eastern Mojave Desert, New York Mountains, near New York peak 2226 Comment
  UCR25913  Psoralea macrostachya John C. Roos 1948-1-31 3769 San Bernardino San Bernardino Valley/San Bernardino Mtns. Foothills, by the canal at the mouth of Plunge Creek 488 Comment
  UCR25914  Psoralea rigida John C. Roos 1949-7-16 4546 San Bernardino San Bernardino Mtns., near Greenspot, Bear Valley 2134 Comment
  UCR25925  Eremogone kingii var. glabrescens John C. Roos 1949-6-27 4510 San Bernardino Eastern Mojave Desert, Kingston Mountains 2134 Comment
  UCR25926  Arenaria lanuginosa subsp. saxosa John C. Roos 1936-7-15 565 San Bernardino San Bernardino Mountains, upper Santa Ana River Canyon Comment
  UCR25929  Arenaria rubella John C. Roos 1949-7-4 4537 San Bernardino San Bernardino Mtns., High ridge near Mt San Gorgonio. 3354 Comment
  UCR25933  Sedum niveum John C. Roos 1949-7-2 4533 San Bernardino San Bernardino Mtns, Snow Canyon [= Rattlesnake Creek, off Mill Creek Cyn. above Forest Falls] 2195 Comment
  UCR25934  Calystegia fulcrata John C. Roos 1949-7-16 4565 San Bernardino San Bernardino Mtns., Moonridge Ski Area, Bear Valley 2256 Comment
  UCR25935  Cucurbita palmata John C. Roos 1951-9-29 5304 San Bernardino San Bernardino Valley, Loma Linda 335 Comment
  UCR25936  Glossopetalon spinescens John C. Roos 1949-6-19 4402 San Bernardino Eastern Mojave Desert, SE foot of Clark Mountain 1951 Comment
  UCR25945  Draba corrugata John C. Roos 1946-9-4 2955 San Bernardino San Bernardino Mtns., San Gorgonio Peak 3500 Comment
  UCR25954  Marina parryi John C. Roos, Lucille Roos 1949-4-9 4217 San Bernardino Mojave / Sonoran (Colorado) Desert, east of the road junction [Vidal Junction], 6 mi. north of Vidal 284 Comment
  UCR25979  Rorippa sphaerocarpa John C. Roos 1949-7-16 4550 San Bernardino San Bernardino Mtns., [Big] Bear Lake, Bear Valley 2256 Comment
  UCR26075  Aster occidentalis John C. Roos 1949-7-16 4563 San Bernardino San Bernardino Mtns., Moonridge Ski Area, Bear Valley 2256 Comment
  UCR26077  Baccharis sergiloides John C. Roos 1947-8-2 3731 San Bernardino San Bernardino Mtns., North of Burns Wash, on the E slope of the mtns. 1315 Comment
  UCR26082  Viguiera multiflora John C. Roos 1949-6-19 4404 San Bernardino Eastern Mojave Desert, south base of Clark Mountain 1921 Comment
  UCR26093  Lessingia glandulifera var. glandulifera John C. Roos 1949-6-23 4458 San Bernardino Eastern Mojave Desert, Rock Spring, Mid Hills 1463 Comment
  UCR26095  Helianthus annuus subsp. jaegeri John C. Roos 1948-9-19 4039 San Bernardino Eastern Mojave Desert, Soda Springs, near Baker 284 Comment
  UCR26096  Hypochaeris glabra John C. Roos 1948-4-29 2909 San Bernardino San Bernardino Valley, carpenters tract in Loma Linda 335 Comment
  UCR26104  Oenothera californica John C. Roos 1937-7-20 2373 San Bernardino San Bernardino Mtns., South Fork Public Camp 1982 Comment
  UCR26137  Grindelia squarrosa John C. Roos 1950-9-3 4983 San Bernardino Eastern Mojave Desert, Mountain Pass, Clark Mountain 1524 Comment
  UCR26143  Myosurus apetalus John C. Roos 1959-5-16 s.n. San Bernardino San Bernardino Mtns., Holcomb Valley Camp 2256 Comment
  UCR26161  Hymenopappus filifolius John C. Roos 1949-6-24 4481 San Bernardino Eastern Mojave Desert, N slope of Clark Mountain 2134 Comment
  UCR26168  Camissonia campestris John C. Roos 1952-4-22 5568 San Bernardino San Bernardino Valley, 1 mi west of Colton along Hwy 99 305 Comment
  UCR26174  Castilleja linariifolia John C. Roos 1948-9-18 4029 San Bernardino Eastern Mojave Desert, near the Coloseum Mine, north side of Clark Mountain 1524 Comment
  UCR26181  Philadelphus microphyllus John C. Roos 1949-6-24 4483 San Bernardino Eastern Mojave Desert, north slope of Clark Mountain 2256 Comment
  UCR26193  Stillingia paucidentata John C. Roos 1937-5-30 2052 San Bernardino Mojave Desert, Victorville Comment
  UCR26199  Solanum triflorum John C. Roos 1949-6-25 4489 San Bernardino Eastern Mojave Desert, around buildings at Coloseum Mine, Clark Mountain 1616 Comment
  UCR26206  Cercocarpus ledifolius John C. Roos 1941-5-30 102 San Bernardino San Bernardino Mtns, Coon Creek Jump-off 2454 Comment
  UCR26209  Potentilla biennis John C. Roos 1949-7-16 4547 San Bernardino San Bernardino Mtns., [Big] Bear Lake, Bear Valley 2256 Comment
  UCR26215  Aquilegia formosa John C. Roos 1949-6-24 4488 San Bernardino Eastern Mojave Desert, north face of Clark Mountain, near the base of limestone cliffs 2348 Comment
  UCR26216  Ranunculus eschscholtzii John C. Roos 1941-7-5 110 San Bernardino San Bernardino Mtns., slopes SE of Dollar Lake, San Gorgonio Mtn 2896 Comment
Read comments
Mar 16 2012
  UCR26233  Phacelia brachyloba John C. Roos 1948-6-26 3889 San Bernardino San Bernardino Mtns., City Creek, around bridges Comment
  UCR26234  Mentzelia micrantha John C. Roos 1948-6-26 3886 San Bernardino San Bernardino Mtns., City Creek, around bridges Comment
  UCR26235  Oenothera laciniata John C. Roos 1948-6-21 3885 San Bernardino San Bernardino Valley, Loma Linda. 305 Comment
  UCR26243  Trichostema micranthum John C. Roos 1937-8-27 2345 San Bernardino Mojave Desert, [Along the Mojave River], Victorville. Comment
  UCR26245  Eriogonum wrightii var. wrightii John C. Roos 1937-8-25 2027 San Bernardino Eastern Mojave Desert, Barnwell, near the New York Mountains 457 Comment
  UCR26249  Gentiana aquatica John C. Roos 1937-7-21 1997 San Bernardino San Bernardino Mtns, South Fork of Santa Ana River 1921 Comment
  UCR26253  Nama californica John C. Roos 1937-7-26 667 San Bernardino San Bernardino Mtns., Big Bear Valley, near Pine Knot [vicinity of Pine Knot Blvd., city of Big Bear Lake] 2073 Comment
  UCR26259  Hibiscus trionum John C. Roos 1967-7-16 s.n. San Bernardino San Bernardino Valley, Loma Linda. 320 Comment
  UCR26280  Eriogonum mohavense John C. Roos, L. Roos 1952-5-17 5675 San Bernardino Western Mojave Desert, 10 mi west of Adelanto 945 Comment
  UCR26288  Lamium amplexicaule John C. Roos 1952-2-25 5355 San Bernardino San Bernardino Valley, Bryn Mawr 366 Comment
  UCR26294  Epilobium lactiflorum John C. Roos 1949-7-4 4539 San Bernardino San Bernardino Mtns., High Creek, just west of San Gorgonio 2744 Comment
  UCR26297  Asclepias asperula John C. Roos 1949-6-25 4490 San Bernardino Eastern Mojave Desert, near Coloseum Mine, north side Clark Mountain 1738 Comment
  UCR26299  Salvia pachyphylla John C. Roos 1949-6-19 4406 San Bernardino Eastern Mojave Desert, SE foot of Clark Mountain 1951 Comment
  UCR26305  Eburophyton austiniae John C. Roos 1934-1 561 San Bernardino San Bernardino Mtns., Crestline 1433 Comment
  UCR26307  Cyperus parishii John C. Roos 1937-7-14 622 San Bernardino San Bernardino Valley, Near San Bernardino Comment
  UCR26319  Elymus salinus John C. Roos 1949-6-20 3549 San Bernardino Eastern Mojave Desert, New York Mountains, Keystone Canyon 1738 Comment
  UCR26324  Calochortus kennedyi var. munzii John C. Roos 1949-5-28 4338 San Bernardino Eastern Mojave Desert, Clark Mountain, slopes near Green's Mine 1616 Comment
  UCR26327  Sporobolus cryptandrus John C. Roos 1949-6-18 3550 San Bernardino Eastern Mojave Desert, SE base of Clark Mountain 1829 Comment
  UCR26333  Elymus cinereus John C. Roos 1949-6-28 4524 San Bernardino Eastern Mojave Desert, Beck Spring, Kingston Mtns 1350 Comment
  UCR26336  Leptochloa uninervia John C. Roos 1946-9-6 2998 San Bernardino San Bernardino Valley, Near Loma Linda Comment
  UCR26571  Descurainia incisa subsp. incisa John C. Roos 1947-2-22 3279 San Bernardino San Bernardino Mtns, Deep Creek, along the flume Comment
  UCR27420  Plagiobothrys parishii John C. Roos 1949-4-30 4270 San Bernardino Mojave Desert, Lucerne Valley, Rabbit Springs 884 Comment
  UCR27517  Viola adunca John C. Roos 1937-6-5 931 San Bernardino San Bernardino Mtns., Crestline Comment
  UCR27543  Calochortus palmeri John C. Roos, L. Roos 1952-7-12 5809 San Bernardino San Bernardino Mtns., NE shoulder of Strawberry Peak 1829 Comment
  UCR27546  Cornus sericea subsp. sericea John C. Roos 1963-1 s.n. San Bernardino San Bernardino Mtns., Green Canyon 2530 Comment
  UCR30518  Senecio spartioides John C. Roos 1937-7-28 2430 San Bernardino San Bernardino Mtns, Van Deusen Canyon [Caribou Creek], near Bear Valley 2195 Comment
  UCR30521  Lamarckia aurea John C. Roos 1950-4-26 4759 San Bernardino San Bernardino Valley, Loma Linda hill, Loma Linda 335 Comment
  UCR30528  Panicum dichotomiflorum subsp. dichotomiflorum John C. Roos 1949-7-22 4568 San Bernardino San Bernardino Valley, Loma Linda 323 Comment
  UCR30531  Hilaria rigida John C. Roos 1949-5-14 4301 San Bernardino Southern Mojave Desert/San Bernardino Mtns., Rock Corral, north base of the mountains 1067 Comment
  UCR30538  Deschampsia cespitosa subsp. cespitosa John C. Roos 1949-7-23 4570 San Bernardino San Bernardino Mtns., Moonridge, Bear Valley 2195 Comment
  UCR30541  Stipa lettermanii John C. Roos 1950-7-29 4883 San Bernardino San Bernardino Mtns, Mill Creek at junction with Vivian Creek 1890 Comment
  UCR30542  Stipa lettermanii John C. Roos 1937-7-26 337 San Bernardino San Bernardino Mtns., Pine Knot, Big Bear Valley [vicinity of Pine Knot Blvd., city of Big Bear Lake] 2043 Comment
  UCR30563  Erigeron parishii John C. Roos 1947-6-21 3695 San Bernardino San Bernardino Mtns, Bottom of the canyon above Cushenbury Springs 1372 Comment
  UCR30564  Filago californica John C. Roos 1950-4-26 4760 San Bernardino San Bernardino Valley, Loma Linda hill, Loma Linda 335 Comment
  UCR30570  Arabis sparsiflora var. arcuata John C. Roos 1937-6-5 2210 San Bernardino San Bernardino Mtns., Crestline Comment
  UCR30572  Cirsium scariosum John C. Roos 1937-7-23 348 San Bernardino San Bernardino Mountains, Fish Creek, upper Santa Ana River 1982 Comment
  UCR30585  Navarretia peninsularis John C. Roos 1937-7-26 340 San Bernardino San Bernardino Mtns., Pine Knot, Big Bear Valley [vicinity of Pine Knot Blvd., city of Big Bear Lake] 2043 Comment
  UCR30631  Lupinus shockleyi John C. Roos, Lucille Roos 1949-4-9 4210 San Bernardino Sonoran (Colorado) Desert, [Near Freda], Freda Basin in Ward Valley, south of the Turtle Mtns 305 Comment
  UCR30632  Galium parishii John C. Roos 1946-9-4 2953 San Bernardino San Bernardino Mtns., San Gorgonio Ridge 3445 Comment
  UCR30765  Eleocharis parishii John C. Roos, A. R. Roos 1950-8-7 s.n. San Bernardino Northeastern Mojave Desert, Beck Spring, Kingston Mountains 1372 Comment
  UCR30810  Arabis glabra John C. Roos 1937-4-17 2208 San Bernardino San Bernardino Valley, Highland, east of San Bernardino Comment
  UCR30852  Elatine gracilis John C. Roos 1937-7-29 1950 San Bernardino San Bernardino Mtns, Bluff Lake 2317 Comment
  UCR30863  Cleome serrulata John C. Roos 1950-5-11 4794 San Bernardino San Bernardino Valley, South 'E' Street near the Santa Ana River bridge, San Bernardino 305 Comment
  UCR31319  Setaria parviflora John C. Roos 1951-9-23 5240 San Bernardino San Bernardino Valley, 2 miles west of Loma Linda 305 Comment
  UCR31667  Cryptantha gracilis John C. Roos 1949-6-19 4397 San Bernardino Eastern Mojave Desert, SE base of Clark Mountain 1921 Comment
  UCR31669  Gilia australis John C. Roos 1948-5-22 3868 San Bernardino San Bernardino Valley, San Timoteo Canyon, south of Redlands 457 Comment
  UCR31683  Galium angustifolium subsp. gabrielense John C. Roos 1967-7-15 s.n. San Bernardino San Bernardino Mtns., ridge between South and North Forks of Mission Creek 2591 Comment
  UCR31787  Erigeron breweri var. breweri John C. Roos, L. Roos 1949-6-27 4509 San Bernardino Eastern Mojave Desert, Kingston Mtns, on high ridge 2134 Comment
  UCR32868  Eragrostis mexicana subsp. virescens John C. Roos 1951-9-19 5220 San Bernardino San Bernardino Valley, Irrigated orchard on West Barton Ave. in Loma Linda 335 Comment
  UCR32897  Eragrostis mexicana subsp. virescens John C. Roos 1950-8-22 4944 San Bernardino San Bernardino Valley, Alabama and San Bernardino Streets, Redlands 366 Comment
  UCSB37345  Celtis reticulata Roos, John 1962-5-7 San Bernardino Yucaipa, 9.3 miles west of corner of Bryant St. and Oak Glen Road 822 Comment
  UCSB37349  Apocynum androsaemifolium Roos, John 1965-7-17 San Bernardino Stetson Creek area of Barton Flats, San Bernardino Mtns. Comment
  UCSB37356  Rubus leucodermis Roos, John 1965-7-17 San Bernardino Barton Flats, San Bernardino Mtns Comment
  UCSB37369  Cordylanthus nevinii Roos, John 1965-9-11 San Bernardino Mill Creek, San Bernardino Mtns. Comment
  UCSB37380  Senecio spartioides Roos, John; Roos, P. 1966-9-13 San Bernardino Between the headwaters of Fish Creek and North Fork meadows, San Bernardino Mtns. Comment
  UCSB37772  Eriophyllum lanatum var. obovatum Roos, John 1965-7-18 San Bernardino Running Springs, San Bernardino Mtns. 1837 Comment
  UCSB37776  Lepidospartum squamatum Roos, John 1965-10-2 San Bernardino Mill Creek, San Bernardino Mtns. 975 Comment
  UCSB37779  Achnatherum coronatum Roos, John 1965-6-26 San Bernardino Upper Santa Ana Canyon near Heart Bar Park, San Bernardino Mtns. Comment
  UCSB37783  Achnatherum occidentale subsp. californicum Roos, John 1981-09 San Bernardino Barton Flats, San Bernardino Mtns. Comment
  UCSB37784  Achnatherum occidentale subsp. occidentale Roos, John 1965-7-18 San Bernardino Bear Valley, San Bernardino Mtns. Comment
  UCSB37788  Cercocarpus ledifolius Roos, John 1965-6-6 San Bernardino Mill Creek near Fallsvale, San Bernardino Mtns. Comment
  UCSB37792  Potentilla gracilis Roos, John 1965-7-18 San Bernardino Moonridge, Bear Valley, San Bernardino Mtns. Comment
  UCSB37805  Artemisia douglasiana Roos, John 1965-10-2 San Bernardino Mentone Comment
  UCSB37806  Artemisia dracunculus Roos, John 1965-10-2 San Bernardino Camp Angelus, San Bernardino Mtns. Comment
  UCSB37822  Helenium bigelovii Roos, John 1965-9-11 San Bernardino Bank of Mill Creek, San Bernardino Mtns. Comment
  UCSB37829  Platanthera sparsiflora Roos, John 1965-9-11 San Bernardino Mill Creek; San Bernardino Mtns Comment
  UCSB37830  Parnassia cirrata var. cirrata Roos, John 1965-9-11 San Bernardino At quarry in Mill Creek Canyon, San Bernardino Mtns. Comment
  UCSB37833  Digitaria sanguinalis Roos, John 1965-7-5 San Bernardino Loma Linda 304 Comment
  UCSB37837  Verbena lasiostachys var. lasiostachys Roos, John 1965-9-11 San Bernardino Mill Creek, San Bernardino Mtns Comment
  UCSB37913  Achnatherum coronatum Roos, John 1965-6-6 San Bernardino Mill Creek near Fallsvale, San Bernardino. Comment
  UCSB37918  Solidago velutina subsp. californica Roos, John 1965-10-2 San Bernardino Mill Creek, San Bernardino Mtns. 1219 Comment
  UCSB37921  Lepidospartum latisquamum Roos, John 1968-10-5 San Bernardino A wash, 1 mi. W. of Cajon Comment
  UCSB37923  Dieteria canescens Roos, John 1966-8-13 San Bernardino Fish Creek, San Bernardino Mtns. 2316 Comment
  UCSB38055  Dodecahema leptoceras Roos, John 1950-6-3 San Bernardino Cajon Canyon, 1 mile below "Blue Cut" 762 Comment
  UCSB40896  Pyrola picta Roos, John 1965-7-24 San Bernardino Barton Flats, San Bernardino Mts., (Big Bear Lake 7.5 Q.) Comment
  UCSB41131  Aliciella leptomeria Roos, John 1949-6-25 San Bernardino Flats below Coliseum Mine, Clark Mtn. 1584 Comment
  UCSB41538  Amaranthus retroflexus Roos, Alfred 1937-11-24 San Bernardino Bryn Mawr Comment
  UCSB42106  Leptosiphon nuttallii subsp. pubescens Roos, John 1965-6-26 San Bernardino Barton Flats, San Bernardino Mtns. Comment
  UCSB42109  Ceanothus crassifolius Roos, J. 1966-3-31 San Bernardino Redlands Blvd., San Timoteo Canyon. 304 Comment
  UCSB42116  Clarkia rhomboidea Roos, John 1965-6-12 San Bernardino Igo's near Mountain Home Village and Mill Creek; San Bernardino Mtns Comment
  UCSB42119  Epilobium glaberrimum Roos, John 1965-7-18 San Bernardino Snow Valley, San Bernardino Mtns Comment
  UCSB42122  Epilobium canum subsp. latifolium Roos, John 1965-9-11 San Bernardino Mill Creek, San Bernardino Mtns Comment
  UCSB42126  Castilleja minor subsp. spiralis Roos, John 1965-6-12 San Bernardino Igos near Mountain Home tillage and Hill Creek, San Bernardino Mtns. Comment
  UCSB42130  Mimulus cardinalis Roos, John 1965-9-11 San Bernardino Mill Creek; San Bernardino Mtns 598 Comment
  UCSB42134  Penstemon rostriflorus Roos, John 1965-7-18 San Bernardino Moonridge, Bear Valley, San Bernardino Mtns. Comment
  UCSB42137  Cleomella parviflora Roos, John 1949-4-30 San Bernardino Rabbit Springs, Lucerne Valley, southern Mojave Valley 883 Comment
  UCSB42140  Leptosiphon breviculus Roos, John 1965-6-26 San Bernardino Upper Santa Ana Basin near Fish Creek, San Bernardino Mtns. Comment
  UCSB42141  Microsteris gracilis Roos, John 1966-4-9 San Bernardino North Shore; 2 miles east of Fawnskin-Bear Valley; San Bernardino Mtns Comment
  UCSB42143  Phlox austromontana Roos, John 1967-5-30 San Bernardino Arrastre Creek, on the upper slopes of the San Bernardino Mtns Comment
  UCSB42144  Allophyllum divaricatum Roos, John 1965-6-12 San Bernardino Mill Creek Comment
  UCSB42147  Navarretia atractyloides Roos, John; Roos, Lucille 1952-6-14 San Bernardino in Yucaipa Comment
  UCSB42150  Epilobium torreyi Roos, John 1965-9-15 San Bernardino Victorville Comment
  UCSB42153  Erigeron breweri Roos, John 1965-6-26 San Bernardino Upper Santa Ana Basin near Fish Creek, San Bernardino Mtns. Comment
  UCSB42157  Quercus kelloggii Roos, John 1965-10-2 San Bernardino Barton Flats, San Bernardino Mtns. Comment
  UCSB42167  Monardella australis subsp. australis Roos, John 1965-7-17 San Bernardino Kilpecker Creek, San Bernardino Mtns. Comment
  UCSB42168  Monardella australis subsp. australis Roos, John 1966-9-3 San Bernardino Between Upper Fish Creek and North Fork White Water Meadows 2987 Comment
  UCSB42170  Silene verecunda Roos, John 1965-6-12 San Bernardino Mill Creek, Igo's near Mountain Home Village Comment
  UCSB42173  Spergularia macrotheca Roos, John 1956-5-27 San Bernardino North side of Highway 99, 0.2 miles west of Waterman Ave., San Bernardino Valley Comment
  UCSB42174  Stellaria longipes Roos, John 1965-6-26 San Bernardino Upper Santa Ana Canyon, Heart Bar Park, San Bernardino Mtns. Comment
  UCSB42222  Astragalus douglasii Roos, John 1965-7-18 San Bernardino Bear Valley, San Bernardino Mtns. Comment
  UCSB42254  Eriogonum parishii Roos, John 1965-10-2 San Bernardino Camp Angelus; San Bernardino Mtns Comment
  UCSB42257  Persicaria punctata Roos, John 1965-9-13 San Bernardino Victorville Comment
  UCSB42258  Persicaria amphibia Roos, John 1966-9-10 San Bernardino Big Bear Lake; San Bernardino Mtns Comment
  UCSB42267  Dysphania botrys Roos, John 1965-7-4 San Bernardino Loma Linda Comment
  UCSB42268  Atriplex polycarpa Roos, John 1965-7-6 San Bernardino At the cement plant, Victorville Comment
  UCSB42270  Brickellia desertorum Roos, John; Roos, Lucille 1957-10-19 San Bernardino 1 mile S.W. of Loma Linda Hospital 438 Comment
  UCSB42274  Sidalcea malviflora Roos, John 1965-7-18 San Bernardino Moonridge, Bear Valley, San Bernardino Mtns Comment
  UCSB45521  Bidens frondosa Roos, John 1946-9-20 San Bernardino Mojave River near Apple Valley Comment
  UCSB45523  Nemacladus rubescens Roos, John; Roos, Lucille 1952-5-10 San Bernardino 4 miles northwest of Adelanto, near Red Raven Mine 822 Comment
  UCSB45545  Sedum spathulifolium Roos, John 1965-6-28 San Bernardino Mill Creek Canyon, San Bernardino Mtns., at Igo's Comment
  UCSB45572  Deschampsia danthonioides Roos, John 1967-5-29 San Bernardino Summit Valley Comment
  UCSB45587  Fimbristylis thermalis Roos, J.; Roos, Lucille 1951-8-25 San Bernardino Arrowhead Hot Springs; San Bernardino Mts. 609 Comment
  UCSB45605  Nemacladus glanduliferus Roos, Lucille; Roos, John 1952-5-10 San Bernardino Kremer Hills, Mojave Desert 853 Comment
  UCSB45936  Amaranthus albus Roos, John 1965-7-4 San Bernardino Loma Linda 304 Comment
  UCSB45939  Ericameria arborescens Roos, John 1965-10-2 San Bernardino Camp Angelus; San Bernardino Mtns. Comment
  UCSB45942  Ericameria linearifolia Roos, John 1966-4-1 San Bernardino Cajon Comment
  UCSB45945  Ambrosia psilostachya Roos, Alfred 1937-11-15 San Bernardino Loma Linda Comment
  UCSB45949  Achillea millefolium Roos, John 1965-6-12 San Bernardino Igos, near Mountain Home Village in Mills Canyon, San Bernardino Mtns. Comment
  UCSB45952  Hordeum brachyantherum subsp. brachyantherum Roos, John 1965-7-18 San Bernardino Big Bear Lake, San Bernardino Mtns. Comment
  UCSB45955  Pseudognaphalium stramineum Roos, John 1965-7-18 San Bernardino Bear Valley, San Bernardino Mtns. Comment
  UCSB45965  Croton californicus Roos, John 1965-6-27 San Bernardino Loma Linda Hills 304 Comment
  UCSB46752  Cryptantha micrantha Roos, John 1965-7-18 San Bernardino Bear Valley, San Bernardino Mtns. Comment
  UCSB46874  Impatiens balfourii Roos, John; Roos, Lucille 1957-6-22 San Bernardino Zanja Creek at Mentone Health Haven, east of Mentone 548 Comment
  UCSB46877  Berberis nevinii Roos, John 1966-2-10 San Bernardino San Timoteo Canyon, south of Redlands Comment
  UCSB46878  Quercus chrysolepis Roos, John 1965-6-6 San Bernardino Mill Creek, near Fallsvale, San Bernardino Mtns. Comment
  UCSB49865  Arida carnosa Roos, John 1956-8-2 San Bernardino North side of Highway 99, 0.2 miles west of Waterman Ave., San Bernardino Valley Comment
  UCSB49866  Helianthus nuttallii Roos, John; Sanders, A. 1965-9-22 San Bernardino Near the cement plant, Victorville Comment
  UCSB51277  Imperata brevifolia John C. Roos 1938-11-5 San Bernardino collected in Arrowhead Hot Springs S of the San Bernardino Mountains Arrowhead Hot Springs Comment
  UCSB51282  Polypogon viridis Roos, John 1965-6-12 San Bernardino Igo's near Mountain Home Village and Mill Creek; San Bernardino Mtns. Comment
  UCSB51285  Panicum capillare Roos, John 1965-9-15 San Bernardino Victorville Comment
  UCSB51361  Stenotaphrum secundatum J. C. Roos 1965-6-27 San Bernardino collected in Loma Linda Loma Linda 304 Comment
  UCSB51363  Schismus barbatus Roos, John 1965-6-6 San Bernardino Mill Creek near Fallsvale, San Bernardino Mtns. Comment
  UCSB51368  Agropyron cristatum subsp. pectinatum Roos, John 1965-7-18 San Bernardino Moonridge, Bear Valley, San Bernardino Mtns Comment
  UCSB51370  Muhlenbergia andina Roos, John 1962-9-29 San Bernardino Mill Creek; San Bernardino Mtns 2042 Comment
  UCSB51371  Eragrostis mexicana Roos, John 1937-11-25 San Bernardino Highland Comment
Read comments
May 21 2011
  UCSB51373  Muhlenbergia californica Roos, John 1962-9-29 San Bernardino Mill Creek; San Bernardino Mtns Comment
  UCSB51374  Eragrostis barrelieri Roos, John 1965-9-22 San Bernardino Barstow; Mojave Desert Comment
  UCSB51398  Bromus carinatus var. marginatus Roos, John 1965-6-26 San Bernardino Upper Santa Ana Canyon near Heart Bar Park, San Bernardino Mtns. Comment
  UCSB51402  Bromus carinatus Roos, John 1965-7-17 San Bernardino Stetson Creek, Barton Flats, San Bernardino Mtns. Comment
  UCSB51412  Eriochloa acuminata Roos, A. 1937-11-25 San Bernardino Highland Comment
  UCSB51415  Bromus carinatus var. marginatus Roos, John 1981-09 San Bernardino Upper Santa Ana Canyon near Heart Bar Park, San Bernardino Mtns. Comment
  CAS-BOT-BC294393  Ericameria parryi var. imula John Roos; Lucille Roos 1951-7-28 5071 San Bernardino Pine Knot, Bear Valley, San Bernardino Mts. 2072 Comment
  CAS-BOT-BC300060  Erigeron philadelphicus John C. Roos 1952-5-20 5700 San Bernardino Along E Street 1 mile south of San Bernardino 304 Comment
  CAS-BOT-BC390312  Spergularia macrotheca var. macrotheca J. C. Roos 1956-5-27 6583 San Bernardino Noth side of Highway 99, 0.2 miles west of Waterman Ave, San Bernardino Valley Comment
  CAS-BOT-BC403762  Salpichroa origanifolia J. C. Roos 1965-6-29 s.n. San Bernardino Bloomington Comment
  CLARK-A1528-1034  Monardella pringlei John C. Roos 1941-5-17 139 San Bernardino Colton 304 Comment
  CLARK-A1528-1134  Suaeda depressa var. depressa John C. Roos 1937-7-27 San Bernardino San Bernardino Mountains 2042 Comment
  CLARK-A1528-1293  Pinus attenuata John C. Roos 1936-7-7 698 San Bernardino San Bernardino Mountains 1767 Comment
  CLARK-A1528-1309  Eustoma exaltatum John C. Roos 1946-8-26 2977 San Bernardino San Bernardino Comment
  CLARK-A1528-1314  Clematis ligusticifolia John C. Roos 1946-9-3 2973 San Bernardino Oak Glen Comment
  CLARK-A1528-1336  Mentha arvensis John C. Roos 1952-8-6 5882 San Bernardino San Bernardino 304 Comment
  CLARK-A1528-1433  Cymopterus panamintensis John C. Roos 1958-4-19 San Bernardino Lucerne Valley Comment
  CLARK-A1528-1472  Apocynum androsaemifolium John C. Roos 1936-9-2 1538 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-1649  Bellis perennis John C. Roos 1965-6-21 San Bernardino San Gabriel Mountains Comment
  CLARK-A1528-1707  Chaenactis glabriuscula var. lanosa John C. Roos 1952-4-22 5569 San Bernardino 304 Comment
Read comments
Dec 1 2015
  CLARK-A1528-1758  Chaenactis glabriuscula var. lanosa John C. Roos 1952-4-22 5569 San Bernardino 304 Comment
Read comments
Dec 1 2015
  CLARK-A1528-1915  Helianthus petiolaris John C. Roos, Lucille Roos 1954-4-30 6071 San Bernardino 304 Comment
  CLARK-A1528-2045  Chaenactis glabriuscula John C. Roos 1941-4-26 157 San Bernardino Comment
  CLARK-A1528-2250  Pectocarya penicillata John C. Roos 1937-3-1 San Bernardino Comment
  CLARK-A1528-2487  Stellaria media John C. Roos 1947-3-21 3375 San Bernardino San Bernardino Comment
  CLARK-A1528-2516  Atriplex elegans subsp. fasciculata John C. Roos 1937-4-23 2121 San Bernardino Colorado Desert Comment
  CLARK-A1528-2576  Cycloloma atriplicifolium John C. Roos 1941-9-4 San Bernardino Bloomington Comment
  CLARK-A1528-2680  Pterospora andromedea John C. Roos 1969-8-9 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2822  Lupinus breweri John C. Roos 1946-8-29 2773 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2825  Lupinus confertus John C. Roos 1946-8-29 2934 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2837  Lupinus formosus John C. Roos 1937-5-15 1186 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-2847  Lupinus odoratus John C. Roos 1978-5-7 San Bernardino 853 Comment
  CLARK-A1528-2881  Trifolium wormskioldii John C. Roos 1952-5-20 5699 San Bernardino San Bernardino 304 Comment
  CLARK-A1528-3001  Phacelia curvipes John C. Roos 1937-7-18 673 San Bernardino San Gabriel Mountains Comment
  CLARK-A1528-3052  Pyrola picta John C. Roos 1943-6-28 2707 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3177  Monardella lanceolata John C. Roos 1940-8-10 1553 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3184  Asparagus officinalis John C. Roos 1937-7-15 382 San Bernardino Comment
  CLARK-A1528-3191  Fritillaria pinetorum John C. Roos 1967-5-30 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3194  Calochortus nuttallii var. australis John C. Roos 1953-7-4 5926 San Bernardino San Bernardino Mountains 1920 Comment
  CLARK-A1528-3631  Pseudotsuga macrocarpa John C. Roos 1947-4-12 3443 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-3855  Delphinium cardinale John C. Roos, Lucille Roos 1952-6-15 5775 San Bernardino Colton 320 Comment
  CLARK-A1528-4764  Muhlenbergia rigens John C. Roos 1937-7-27 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4908  Psoralea orbicularis John C. Roos 1940-6-26 1846 San Bernardino San Bernardino Comment
  CLARK-A1528-4925  Dudleya saxosa John C. Roos 1937-5-29 1790 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4937  Elatine californica John C. Roos 1937-7-27 1673 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-4950  Equisetum arvense John C. Roos 1936-7-12 San Bernardino San Bernardino Comment
  CLARK-A1528-5038  Sporobolus cryptandrus John C. Roos 1967-7-29 San Bernardino Comment
  CLARK-A1528-5080  Phacelia parryi John C. Roos 1941-4-25 161 San Bernardino San Bernardino Comment
  CLARK-A1528-5121  Lupinus odoratus John C. Roos 1937-5-30 745 San Bernardino Hesperia Comment
  CLARK-A1528-5134  Datisca glomerata John C. Roos 1967-9-23 San Bernardino San Bernardino Mountains 1584 Comment
  CLARK-A1528-5141  Chenopodium californicum John C. Roos 1943-4-11 2606 San Bernardino San Bernardino Comment
  CLARK-A1528-5234  Monardella lanceolata John C. Roos 1936-8-15 576 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-5351  Mentha arvensis John C. Roos 1952-8-6 5882 San Bernardino San Bernardino 304 Comment
  CLARK-A1528-5385  Coronopus didymus John C. Roos 1953-4-16 5913 San Bernardino San Bernardino Valley 320 Comment
  CLARK-A1528-5413  Chenopodium pumilio John C. Roos 1952-11-1 5906 San Bernardino San Bernardino Valley 335 Comment
  CLARK-A1528-5527  Euphorbia serpyllifolia John C. Roos 1946-9-3 2976 San Bernardino Oak Glen Comment
  CLARK-A1528-5665  Dudleya cymosa John C. Roos 1937-6-5 1494 San Bernardino San Bernardino Mountains Comment
  CLARK-A1528-599  Trichostema lanceolatum John C. Roos 1951-9-25 5290 San Bernardino Colton 274 Comment
  LA102242  Mimulus guttatus John C. Roos; 1951-9-24 5241 San Bernardino along Gage Canal, Loma Linda 304 Comment
Read comments
Aug 20 2014
  OBI35848  Orobanche fasciculata J. C. Roos 1967-5-20 s.n. San Bernardino San Bernardino Mts Comment
  POM262886  Phyla nodiflora J. C. Roos 1937-7-13 526 San Bernardino Roadside. Comment
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Oct 12 2013
  POM262917  Eriogonum nidularium J. C. Roos 1937-8-25 616 San Bernardino NE of Baker. Comment
  POM263010  Cenchrus longispinus J. C. Roos 1940-8-31 234 San Bernardino Near Cucamonga. Comment
  POM263023  Chenopodium pumilio J. C. Roos 1937-7-14 394 San Bernardino Santa Ana River near San Bernardino. Comment
  POM263055  Solanum physalifolium var. nitidibaccatum J. C. Roos 1937-11-25 493 San Bernardino Patton, in orchard. Comment
  POM263059  Lupinus concinnus subsp. orcuttii J. C. Roos 1937-4-25 688 San Bernardino West of Essex, Mojave Desert. Comment
  POM263152  Plantago virginica J. C. Roos 1938-6-5 472 San Bernardino Loma Linda Sanitarium lawn, San Bernardino Valley. Comment
  POM264414  Lycium cooperi J. C. Roos 1937-4-23 692 San Bernardino Pass toward 29 Palms, Mojave Desert. Comment
  POM265645  Cerastium fontanum subsp. vulgare J. C. Roos 1937-3-8 1303 San Bernardino Loma Linda, San Bernardino Valley. Comment
  POM265767  Potamogeton crispus J. C. Roos 1937-5-9 2095 San Bernardino Near Loma Linda, San Bernardino Valley Comment
  POM266368  Artemisia rothrockii J. C. Roos 1940-8-3 1561 San Bernardino E end of Bear Valley Comment
  POM266371  Artemisia dracunculus J. C. Roos 1940-7-30 1581 San Bernardino Pine Knot Public Camp. Comment
  POM266635  Lemna trisulca J. C. Roos 1937-7-30 2273 San Bernardino Deer Lick Spring, San Bernardino Mountains. Comment
  POM301528  Verbascum thapsus J. C. Roos 1937-7-25 2359 San Bernardino Seven Oaks, San Bernardino Mountains. Comment
  POM302514  Phalaris paradoxa J. C. Roos 1943-4-3 2616 San Bernardino San Timoteo Canyon, southwest of Redlands Comment
  POM431206  Holcus lanatus J. C. Roos 1950-6-28 4847 San Bernardino College of Medical Evangelists, Loma Linda. 323 Comment
  RSA0001629  Tetradymia argyraea J. C. Roos, R. Weatherby 1949-9-2 3574 San Bernardino North side of Kingston Mts., eastern Mojave Desert. 1921 Comment
  RSA0010744  Senecio astephanus J. C. Roos, Lucille Roos 1952-6-14 5771 San Bernardino Mill Creek S of Mill Creek Public Camp 1159 Comment
  RSA0011744  Asplenium vespertinum J. C. Roos 1942-3-28 1087 San Bernardino canyon off Reche Canyon, near Riverside Comment
  RSA0012928  Helianthus nuttallii subsp. parishii J. C. Roos 1937-8-24 1202 San Bernardino East of San Bernardino Comment
  RSA0013668  Senecio spartioides J. C. Roos 1941-8-27 s.n. San Bernardino Above Dollar Lake, San Bernardino Mts. 3201 Comment
  RSA0013669  Senecio spartioides J. C. Roos 1937-7-28 2430 San Bernardino Van Deusen Canyon off Bear Valley. Comment
  RSA0016433  Helianthus nuttallii subsp. nuttallii J. C. Roos 1965-9-22 s.n. San Bernardino Near the cement plant, Victorville Comment
  RSA0017111  Gilia ochroleuca subsp. ochroleuca J. C. Roos, Lucille Roos 1952-5-17 5676 San Bernardino 8 miles west of Adelanto. 945 Comment
  RSA0021848  Galium trifidum subsp. columbianum J. C. Roos 1937-7-19 378 San Bernardino 2 miles south of San Bernardino. Comment
  RSA0034407  Lotus corniculatus A. R. Roos 1961-7-5 s.n. San Bernardino In lawn, Loma Linda Comment
  RSA0034569  Clarkia rhomboidea J. C. Roos 1965-6-12 s.n. San Bernardino Igo's near Mountain Home Village and Mill Creek. San Bernardino Mountains. [Note: Igo s is present location of Mountain Home Village, Hwy. 38, San Bernardino Mtns. -SDW 2006] Comment
  RSA0034604  Avena barbata J. C. Roos 1965-6-6 s.n. San Bernardino Mill Creek. San Bernardino Mountains. Comment
  RSA0037329  Malva parviflora John C. Roos 1951-11-10 5349 San Bernardino La Cadena Drive at Barton, south of Colton. 304 Comment
  RSA0038354  Cryptantha micrantha var. lepida J. C. Roos 1965-7-18 S.N. San Bernardino Bear Valley, San Bernardino Mtns. Comment
  RSA0049512  Oxytheca perfoliata J. C. Roos 1965-6-16 s.n. San Bernardino 4 mi. north of Adelanto. Comment
  RSA0049525  Cercocarpus intricatus J. C. Roos 1950-8-4 s.n. San Bernardino W. side of Clark Mtn., E. Mojave Desert. Comment
  RSA0057846  Cercocarpus betuloides J. C. Roos 1965-6-6 San Bernardino Mill Creek, SAn Bernardino Mts. near Yucaipa. Comment
  RSA0060579  Datura meteloides John C. Roos 1965-6-27 s.n. San Bernardino Loma Linda. 305 Comment
  RSA0063277  Heuchera parishii J. C. Roos 1941-8-27 40 San Bernardino Greyback Ridge. 3354 Comment
  RSA0066181  Heuchera rubescens var. alpicola J. C. Roos, L. Roos 1949-5-28 4351 San Bernardino North slopes of Clark Mountain. 1890 Comment
  RSA0074184  Fraxinus velutina var. coriacea J. C. Roos 1949-8-20 462 San Bernardino N of Toll road Public Camp, N side of San Bernardino Mts. 1372 Comment
  RSA0076472  Lomatium parryi John C. Roos 1949-6-21 4427 San Bernardino Keystone Canyon, New York Mts. 1889 Comment
  RSA0095271  Linanthus pungens subsp. pulchriflorus J. C. Roos 1965-6-26 s.n. San Bernardino Upper Santa Ana Basin, near Fish Creek. San Bernardino Mtns. Comment
  RSA0113026  Cirsium vulgare J. C. Roos 1955-8-8 6525 San Bernardino Loma Linda 320 Comment
  RSA0117768  Mentzelia oreophila J. C. Roos, L. Roos 1949-5-29 4373 San Bernardino N of Clark Mts, eastern Mojave Desert. 1220 Comment
  RSA0119862  Eriastrum diffusum subsp. diffusum J. C. Roos, L. Roos 1949-6-20 4416 San Bernardino On dry desert flats near Cima. 1280 Comment
  RSA113419  Impatiens balfourii J. C. Roos, L. Roos 1957-6-22 6615 San Bernardino Zanja at Mentone Health Haven wast of Mentone 549 Comment
  RSA262983  Paeonia californica J. C. Roos 1941-3-15 217 San Bernardino Mill Creek Delta, San Bernardino Mts. Comment
  RSA262999  Conyza bonariensis J. C. Roos 1940-9-18 229 San Bernardino Loma Linda Comment
  RSA35731  Quercus X morehus J. C. Roos 1946-11-6 5394 San Bernardino Oak Glen, San Bernardino Mts. 1220 Comment
  RSA40557  Lewisia pygmaea A. R. Roos 1946-9-4 3042 San Bernardino San Gorgonio Peak. 3445 Comment
  RSA423415  Chenopodium ambrosioides A. R. Roos 1922-10-23 s.n. San Bernardino Loma Linda. Comment
  RSA44237  Helianthus annuus subsp. jaegeri J. C. Roos 1949-6-28 3562 San Bernardino Tecopa, Amargosa River Valley. 1400 Comment
  RSA443397  Phalaris minor J. C. Roos 1938-4-26 s.n. San Bernardino Bryn Mawr Comment
  RSA443541  Mentha suaveolens J. C. Roos 1965-10-3 s.n. San Bernardino Loma Linda Comment
  RSA444463  Veronica persica J. C. Roos 1952-3-9 5388 San Bernardino Loma Linda: Edge of lawn. 335 Comment
  RSA444473  Lotus corniculatus A. R. Roos 1961-7-5 s.n. San Bernardino In lawn, Loma Linda Comment
  RSA444797  Medicago polymorpha J. C. Roos 1966-3-27 s.n. San Bernardino Loma Linda. Comment
  RSA44892  Helianthus petiolaris subsp. petiolaris J. C. Roos 1947-5-11 3609 San Bernardino 2 miles east of Guasti. Comment
  RSA44903  Arabis holboellii var. pinetorum J. C. Roos 1949-6-27 3717 San Bernardino S Fork of Santa Ana River, San Bernardino Mts 2134 Comment
  RSA449944  Modiola caroliniana J. C. Roos 1956-5-20 6582 San Bernardino 114 Taylor St., Loma Linda. Comment
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May 21 2011
  RSA450240  Myriophyllum aquaticum J. C. Roos 1952-6-24 s.n. San Bernardino South E. St. near the sewage plant. Comment
  RSA450438  Lupinus andersonii J. C. Roos 1965-7-17 s.n. San Bernardino San Bernardino Mountains Comment
  RSA450448  Eragrostis barrelieri J. C. Roos 1965-9-22 s.n. San Bernardino Barstow. Mojave Desert. Comment
  RSA450450  Eragrostis cilianensis J. C. Roos 1937-11-12 s.n. San Bernardino Loam Linda. 305 Comment
  RSA450655  Stenotaphrum secundatum J. C. Roos 1965-6-27 s.n. San Bernardino Loma Linda Hills. 305 Comment
  RSA47200  Solanum triflorum J. C. Roos, L. Roos 1949-6-25 4489 San Bernardino Colisseum Mine, north side of Clark Mts. 1616 Comment
  RSA47441  Silene verecunda subsp. andersonii J. C. Roos, L. Roos 1949-6-27 4520 San Bernardino North slope of Kingston Mts. 1768 Comment
  RSA47451  Brickellia oblongifolia var. linifolia J. C. Roos, L. Roos 1949-6-27 4519 San Bernardino North slope of Kingston Mts. 1768 Comment
  RSA48736  Aster pauciflorus J. C. Roos 1949-6-28 4527 San Bernardino Tecopa, Amargosa River Valley. 1400 Comment
  RSA48854  Paspalum dilatatum J. C. Roos 1949-11-16 4696 San Bernardino north Anderson Street, Loma Linda 323 Comment
  RSA48857  Gaura sinuata J. C. Roos 1949-10-8 4689 San Bernardino Jurupa Hills at south end Poplar Ave., Fontana. 305 Comment
  RSA503404  Phalaris canariensis J. C. Roos 1953-5-13 5918 San Bernardino Loma Linda 305 Comment
  RSA659666  Veronica persica J. C. Roos 1947-3-21 3376 San Bernardino Loma Linda. Comment
  RSA659725  Anthemis cotula J. C. Roos 1965-6-29 s.n. San Bernardino Bryn Mawr, 366 Comment
  RSA659793  Acacia dealbata J. C. Roos 1938-3-15 s.n. San Bernardino Loma Linda. Comment
  RSA662063  Lunaria annua J. C. Roos 1966-5-14 s.n. San Bernardino Lytle Creek, San Bernardino Mtns, Comment
  RSA662074  Amaranthus retroflexus A. R. Roos 1937-11-24 s.n. San Bernardino Bryn Mawr. Comment
  RSA662431  Avena barbata J. C. Roos 1965-6-6 s.n. San Bernardino Mill Creek. San Bernardino Mountains. Comment
  RSA662541  Dyssodia papposa J. C. Roos, L. Roos 1952-05 5056 -a San Bernardino Loma Linda, corner of Central & Anderson. 335 Comment
  RSA664197  Bromus diandrus J. C. Roos 1965-6-6 4497 San Bernardino Mill Creek. San Bernardino Mountains. Comment
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Nov 8 2014
  RSA664198  Polypogon monspeliensis J. C. Roos 1939-5-13 s.n. San Bernardino La Sierra. Comment
  RSA78226  Chenopodium pumilio J. C. Roos, L. Roos 1952-11-1 5906 San Bernardino Loma Linda, San Bernardino Valley. Comment
  RSA85489  Phalaris minor J. C. Roos 1952-4-21 5564 San Bernardino Loma Linda 305 Comment
  RSA86877  Eragrostis cilianensis J. C. Roos 1950-9-1 4961 San Bernardino Vicinity of Coliseum Mine, Clark Mountains 1646 Comment
  RSA86895  Atriplex rosea J. C. Roos 1950-8-23 4946 San Bernardino Loma Linda, San Bernardino Valley. 320 Comment
  RSA89887  Chrysanthemum leucanthemum J. C. Roos 1954-6-22 6145 San Bernardino West Barton road, Loma Linda 320 Comment
  RSA89954  Digitaria sanguinalis J. C. Roos, L. Roos 1970-10-7 4997 -A San Bernardino Grand Terrace. Alt. 1000 ft. 305 Comment
  RSA89955  Digitaria sanguinalis J. C. Roos, L. Roos 1970-10-7 4997 -B San Bernardino Grand Terrace. Alt. 1000 ft. 305 Comment
  RSA92459  Herniaria hirsuta subsp. cinerea J. C. Roos 1954-6-5 6123 San Bernardino Loma Linda. 320 Comment
  RSA92462  Ailanthus altissima J. C. Roos, L. Roos 1954-5-11 6117 San Bernardino Reche Canyon near mouth. 366 Comment
  RSA92550  Saltugilia australis J. C. Roos, L. Roos 1952-5-11 5648 San Bernardino Scott's Canyon, 2.5 miles southeast of Loma Linda. 427 Comment
  RSA92558  Oenothera californica subsp. californica J. C. Roos, L. Roos 1952-5-9 5625 San Bernardino Near Santa Ana River, at Colton. 274 Comment
  RSA92564  Malacothrix coulteri J. C. Roos, Lucille Roos 1952-5-10 5637 San Bernardino 4 miles northwest of Adelanto, near Red Raven Mine 823 Comment
  RSA92565  Pediomelum castoreum J. C. Roos 1952-5-10 5642 San Bernardino 4 miles northwest of Adelanto, near Red Raven Mine. 823 Comment
  RSA92566  Linanthus parryae J. C. Roos, L. Roos 1952-5-10 5644 San Bernardino Adelanto 915 Comment
  RSA92570  Trifolium wormskioldii J. C. Roos 1952-5-20 5699 San Bernardino E street, 1 mile S of San Bernardino. Comment
  RSA92583  Chorizanthe parryi var. parryi J. C. Roos, Lucille Roos 1952-5-11 5650 San Bernardino Scott's Canyon, 2.5 miles southeast of Loma Linda. 427 Comment
  RSA92589  Nemacladus sigmoideus J. C. Roos, L. Roos 1952-5-10 5634 San Bernardino Kremer Hills {Kramer Hills} 854 Comment
  RSA92590  Nemacladus rubescens J. C. Roos, L. Roos 1952-5-10 5363 San Bernardino 4 miles northwest of Adelanto, near Red Raven Mine. 823 Comment
  RSA92598  Platystemon californicus J. C. Roos, L. Roos 1952-5-10 5647 San Bernardino Adelanto 915 Comment
  RSA92740  Allium fimbriatum var. fimbriatum J. C. Roos, L. Roos 1952-5-17 5683 San Bernardino Baldy Mesa about 4 or 5 miles southwest of Phelan 1128 Comment
  RSA92769  Atriplex lentiformis J. C. Roos, L. Roos 1954-9-25 6251 San Bernardino Corner of Victoria and Lynwood Drive, norh of Patton, San Bernardino Valley. Comment
  RSA92770  Atriplex lentiformis J. C. Roos, L. Roos 1954-10-2 6252 San Bernardino 237 S Waterman. 320 Comment
  SD121305  Chenopodium album J. C. Roos 1965-7-4 San Bernardino Loma Linda 305 Comment
  SEINET13944178 Image available Heracleum sphondylium J. C. Roos 1965-1 sn San Bernardino South fork of Santa Ana River, in meadow. San Bernardino Mountains. 7500 ft 2286 Comment
  SEINET13945591 Image available Kallstroemia parviflora A. R. Roos 1950-1 sn San Bernardino N side of Clark Mt., eastern Mojave desert Comment
  SEINET14423443  Bromus marginatus J. C. Roos San Bernardino Barton Flats, San Bernadino Mts. Comment
  UC1043029  Oenothera californica subsp. californica John and Lucille Roos 1952-5-9 5625 San Bernardino near Santa Ana River; Colton 274 Comment
  UCD134057  Lessingia glandulifera J. C. Roos 1949-6-23 4458 San Bernardino Rock Springs in Mid Hills, eastern Mojave Desert. 1463 Comment
  UCD98830  Dysphania pumilio A. R. Roos 1937-7-14 s.n. San Bernardino Santa Ana River, near Waterman Avenue. Comment
  UCSB37891  Ivesia jaegeri Roos, John 1949-6-24 San Bernardino N. side of Clark Mtn. Comment



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