Search Results — 2000 specimen records retrieved (1479 records with coordinates)
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Results for search: County=KERN; Source=All; Collector=Twisselmann;   

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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-BC100005  Balsamorhiza deltoidea Ernest C. Twisselmann 1964-6-10 9570 Kern Tecuya Ridge 2026 Comment
  CAS-BOT-BC10088  Delphinium inopinum Ernest C. Twisselmann 1956-7-17 3031 Kern Bodfish Road, 3.1 miles north of Piute Peak 2514 Comment
  CAS-BOT-BC102092  Bidens frondosa Ernest C. Twisselmann 1963-9-18 9015 Kern Weldon Road, 1 mile south of Kernville 807 Comment
  CAS-BOT-BC102134  Arida carnosa Ernest C. Twisselmann 1963-9-19 9047 Kern Bear Mountain Boulevard, 3 miles west of Arvin 106 Comment
  CAS-BOT-BC102200  Arida carnosa Ernest C. Twisselmann 1954-11-9 1662 Kern Buena Vista Plains: 8 miles north of Buena Vista Lake 91 Comment
  CAS-BOT-BC102513  Populus fremontii Ernest C. Twisselmann 1966-8-26 12723 Kern Lumreau Creek at the Borton Place 1188 Comment
  CAS-BOT-BC102526  Populus fremontii Ernest C. Twisselmann 1962-4-9 6875 Kern Tejon Creek, about 1 mile below the old Tejon Ranch headquarters 304 Comment
  CAS-BOT-BC102535  Populus fremontii Ernest C. Twisselmann 1965-10-1 11657 Kern Cedar Creek, just below the mouth of Lumreau Creek 792 Comment
  CAS-BOT-BC10270  Delphinium hansenii var. kernense Ernest C. Twisselmann 1965-5-17 2844 Kern Tehachapi-Kernville Region, Bakersfield Road, 0.5 miles west of Caliente 420 Comment
  CAS-BOT-BC104120  Salix hindsiana Ernest C. Twisselmann 1964-7-17 9715 Kern Sycamore Creek, 0.5 mile east of Arvin 152 Comment
  CAS-BOT-BC104818  Quercus wislizeni Ernest C. Twisselmann 1958-8-19 4727 Kern Tehachapi-Kernville Region, Breckenridge Mountain Road, 6.5 miles W of Barrel Spring 1493 Comment
  CAS-BOT-BC104819  Quercus wislizeni Ernest C. Twisselmann 1958-8-19 4727 Kern Tehachapi-Kernville Region, Breckenridge Mountain Road, 6.5 miles W of Barrel Spring 1493 Comment
  CAS-BOT-BC104832  Quercus wislizeni Ernest C. Twisselmann 1966-5-20 12294 Kern Tehachapi-Kernville Region. West slope of Kain Peak 1737 Comment
  CAS-BOT-BC105192  Quercus kelloggii Ernest C. Twisselmann 1956-7-17 3053 Kern Piute Mountains: Mace Meadow 2072 Comment
  CAS-BOT-BC105223  Quercus kelloggii Ernest C. Twisselmann 1966-5-11 12188 Kern The Kern Plateau. Bartolas Country: rim of the Kern Plateau above South Fork Canyon 2164 Comment
  CAS-BOT-BC105225  Quercus kelloggii Ernest C. Twisselmann 1966-5-20 12258 Kern Tehachapi-Kernville region. W side of the summit of Tweedy Canyon (mountains E of Keene) 1676 Comment
  CAS-BOT-BC105768  Corethrogyne filaginifolia Ernest C. Twisselmann 1956-7-26 3102 Kern Summit of Black Canyon - Temblor Range and the Western San Joaquin Valley 1280 Comment
  CAS-BOT-BC105937  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest C. Twisselmann 1964-9-16 10183 Kern Lookout Point, Piute Mountains - Tehachapi-Kernville Region 2522 Comment
  CAS-BOT-BC105938  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest C. Twisselmann 1967-9-19 13713 Kern Summit of Scodie (Kiahvah) Mountain - Tehachapi-Kernville Region 1981 Comment
  CAS-BOT-BC105939  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest C. Twisselmann 1955-8-24 2354 Kern Summit of Mt. Abel - San Emigdio Range 2533 Comment
  CAS-BOT-BC106126  Brickellia nevinii Ernest C. Twisselmann 1966-7-13 12565 Kern Mt. Abel Road, 0.5 mile northwest of Valle Vista Public Camp - San Emigdio Range and the Mt. Pinos Region 1508 Comment
  CAS-BOT-BC106222  Brickellia desertorum Ernest C. Twisselmann 1966-10-13 12889 Kern Last Chance Canyon, El Paso Range - Mojave-Randsburg Region, Mojave Desert 731 Comment
  CAS-BOT-BC106662  Baccharis salicina Ernest C. Twisselmann 1966-9-30 12805 Kern San Joaquin Valley - Sand Canyon, about 1 mile above Poso Creek 365 Comment
  CAS-BOT-BC107467  Salix lasiolepis var. lasiolepis Ernest C. Twisselmann 1966-7-5 12559 Kern Basque Encina 1356 Comment
  CAS-BOT-BC107468  Salix lasiolepis var. lasiolepis Ernest C. Twisselmann 1966-7-5 12551 Kern Basque Encina 1356 Comment
  CAS-BOT-BC107469  Salix lasiolepis var. lasiolepis Ernest C. Twisselmann 1966-7-5 12551 Kern Basque Encina 1356 Comment
  CAS-BOT-BC107470  Salix lasiolepis var. lasiolepis Ernest C. Twisselmann 1959-5-2 5152 Kern Breckenridge Mountain: Munzer Meadow 1920 Comment
  CAS-BOT-BC107504  Salix lasiolepis var. lasiolepis Ernest C. Twisselmann 1963-8-8 8840 Kern [Cienegas] Cienagas near the head of Tejon Creek 1615 Comment
  CAS-BOT-BC107506  Salix lasiolepis var. lasiolepis Ernest C. Twisselmann 1957-4-30 3452 Kern Piute Mountains: Erskine Creek near Iconoclast Mine 1310 Comment
  CAS-BOT-BC108336  Salix gooddingii Ernest C. Twisselmann 1955-5-20 1284 Kern Buena Vista Sough, 8 miles southeast of Lost Hills - Temblor Range and the Western San Joaquin Valley 79 Comment
  CAS-BOT-BC108344  Salix gooddingii Ernest C. Twisselmann 1964-7-17 9722 Kern Old Highway U.S. 99, 10.3 miles north of Mettlers Station (kern Island region). - San Joaquin Valley 121 Comment
  CAS-BOT-BC108374  Salix gooddingii Ernest C. Twisselmann 1961-8-21 6471 Kern Kern river just east of the Kernville Cemetery - Sierra Nevada 777 Comment
  CAS-BOT-BC108394  Salix exigua Ernest C. Twisselmann 1961-8-21 6470 Kern Kern River just east of the Kernville Cemetery - Sierra Nevada 777 Comment
  CAS-BOT-BC108396  Salix exigua Ernest C. Twisselmann 1964-8-22 10165 Kern Monolith - Tehachapi Mountains 1203 Comment
  CAS-BOT-BC108954  Goodmania luteola Ernest C. Twisselmann 1965-5-5 10713 Kern Mojave Desert. Mojave-Randsburg Region. South end of Rogers Lake, Edwards Air Force Base. 746 Comment
  CAS-BOT-BC108960  Goodmania luteola Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-5-22 14225 Kern Mojave Desert. Mojave-Randsburg Region. At the southeast end of Buckhorn Dry Lake. 746 Comment
  CAS-BOT-BC111682  Schoenoplectus pungens var. longispicatus Ernest C. Twisselmann 1969-5-21 15351 Kern Freeway Bridge. 762 Comment
  CAS-BOT-BC111688  Schoenoplectus pungens var. longispicatus Ernest C. Twisselmann 1963-9-18 9026 Kern Onyx Ranches line camp, Freeman Canyon. 1097 Comment
  CAS-BOT-BC111689  Schoenoplectus pungens var. longispicatus Ernest C. Twisselmann 1961-10-5 6594 Kern Kern River below lake Ming. 192 Comment
  CAS-BOT-BC111849  Schoenoplectus saximontanus Ernest C. Twisselmann 1965-9-19 11575 Kern Marsh NE of Well 8 in Section 28. 65 Comment
  CAS-BOT-BC111854  Schoenoplectus saximontanus Ernest C. Twisselmann 1954-10-24 1642 Kern Corcoran Highway: 8 miles north of US 466. 88 Comment
  CAS-BOT-BC112248  Eleocharis rostellata Ernest C. Twisselmann 1963-6-3 8345 Kern Black Bob Canyon 1097 Comment
  CAS-BOT-BC112816  Eleocharis macrostachya Ernest C. Twisselmann 1961-10-5 6595 Kern Kern River below Lake Ming. 190 Comment
  CAS-BOT-BC112825  Eleocharis macrostachya Ernest C. Twisselmann 1958-9-3 4771 Kern Kern Lake Ranch Road at Highway US 99 121 Comment
  CAS-BOT-BC113240  Eleocharis parishii Ernest C. Twisselmann 1961-10-5 6612 Kern Kern River below Lake Ming 190 Comment
  CAS-BOT-BC113651  Eleocharis acicularis Ernest C. Twisselmann 1957-8-5 3927 Kern Shirley Meadows 2057 Comment
  CAS-BOT-BC114087  Cyperus squarrosus Ernest C. Twisselmann 1961-8-21 6498 Kern Isabella Lake Bed: old Kern River channel, ca. 1/4 mi S of the Old Borel Canal bridge. 762 Comment
  CAS-BOT-BC114089  Cyperus squarrosus Ernest C. Twisselmann 1963-7-11 8751 Kern Cannell Creek, 1.5 mi E of River Kern. 1036 Comment
  CAS-BOT-BC114296  Cyperus esculentus Ernest C. Twisselmann 1969-10-16 16292 Kern DiGiorgio Road 0.5 mile W of Cottonwood Road. 91 Comment
  CAS-BOT-BC114301  Cyperus esculentus Ernest C. Twisselmann 1959-8-7 5586 Kern McFarland district: Garzoli Road at Hanawalt Avenue. 118 Comment
  CAS-BOT-BC117377  Carex sartwelliana Ernest C. Twisselmann 1957-6-21 3732 Kern Portugese Pass Road, 1.9 mi N of Greenhorn Pass. 1950 Comment
  CAS-BOT-BC118382  Carex praegracilis Ernest C. Twisselmann 1966-4-6 11776 Kern Middlewater Spring (in the low hills NW of Woody). 396 Comment
  CAS-BOT-BC121574  Delphinium patens subsp. montanum Ernest C. Twisselmann 1962-6-22 7330 Kern Piute Mtns, French Meadow 2072 Comment
  CAS-BOT-BC121576  Delphinium patens subsp. montanum Ernest C. Twisselmann 1964-6-10 9554 Kern Tecuya Ridge, Mt. Pinos region 1950 Comment
  CAS-BOT-BC121582  Delphinium gracilentum Ernest C. Twisselmann 1962-6-1 7237 Kern Northwest slope of Tehachapi Peak 1981 Comment
  CAS-BOT-BC121941  Delphinium recurvatum Ernest C. Twisselmann 1955-4-19 1876 Kern Goose Lake alkaline sink 91 Comment
  CAS-BOT-BC123148  Nemacladus twisselmannii Ernest Christian Twisselmann 1963-7-10 8690 Kern Rim of the Kern Plateau SW of Pine Flat 2240 Comment
  CAS-BOT-BC127264  Agrostis exarata Ernest C. Twisselmann 1956-9-14 3147 Kern San Emigdio Range. Mount Pinos. 1.7 mile east of the summit. 2560 Comment
  CAS-BOT-BC127579  Agropyron cristatum Ernest C. Twisselmann 1956-5-3 2747 Kern San Emigdio Range. Upper Quatal Canyon. 1645 Comment
  CAS-BOT-BC128166  Salix lasiandra var. lasiandra Ernest C. Twisselmann 1958-8-7 4584 Kern Tejon Ranch: El Paso Canyon - Tehachapi-Kernville Region 914 Comment
  CAS-BOT-BC128536  Salix lasiolepis var. lasiolepis Ernest C. Twisselmann 1956-5-3 2743 Kern Toad Spring, summit of Quatal Canyon - San Emigdio Range 1737 Comment
  CAS-BOT-BC129117  Salix scouleriana Ernest C. Twisselmann 1964-7-23 9791 Kern Saddle between Cane Peak & Black Mountain - Greenhorn Range, Sierra Nevada 2011 Comment
  CAS-BOT-BC129118  Salix scouleriana Ernest C. Twisselmann 1961-7-27 6408 Kern Cienega 0.9 mile north of Tiger Flat - Greenhorn Range, Sierra Nevada 2011 Comment
  CAS-BOT-BC129119  Salix scouleriana Ernest C. Twisselmann 1961-5-4 6067 Kern Greenhorn Mountain Park, jsut west of Alta Sierra Lodge - Greenhorn Range, Sierra Nevada 1828 Comment
  CAS-BOT-BC129753  Salix bonplandiana Ernest C. Twisselmann 1961-7-26 6379 Kern Kern river, 0.5 mile south of River Kern - Sierra Nevada 929 Comment
  CAS-BOT-BC129790  Salix bonplandiana Ernest C. Twisselmann 1958-3-22 4147 Kern Poso Creek just north of Famosa - Eastern San Joaquin Valley 152 Comment
  CAS-BOT-BC129817  Salix bonplandiana Ernest C. Twisselmann 1958-3-22 4147 Kern Poso Creek just north of Famosa - Eastern San Joaquin Valley 152 Comment
  CAS-BOT-BC129820  Salix bonplandiana Ernest C. Twisselmann 1961-4-14 6043 Kern Ernest Still Ranch, 1/2 mile south of Annette - Temblor Range and the Western San Joaquin Valley 609 Comment
  CAS-BOT-BC129847  Salix bonplandiana Ernest C. Twisselmann 1964-7-17 9750 Kern Southeast end of Castaic Lake - Tehachapi Mountains 1059 Comment
  CAS-BOT-BC129848  Salix bonplandiana Ernest C. Twisselmann 1964-8-22 10154 Kern Proctor Lake bed - Tehachapi Mountains 1203 Comment
  CAS-BOT-BC129849  Salix bonplandiana Ernest C. Twisselmann 1966-7-5 12552 Kern Bronco Canyon, Tejon Ranch - Tehachapi Mountains 1417 Comment
  CAS-BOT-BC13007  Lepidium virginicum Ernest C. Twisselmann 1964-7-25 9951 Kern Sierra Nevada. Greenhorn Range. Lynns Valley at the Henry Bowen Ranch. 975 Comment
  CAS-BOT-BC130201  Fritillaria agrestis Ernest C. Twisselmann 1954-3-27 934 Kern Joe Messa Ridge, 2 miles west of Carneros Rocks 792 Comment
  CAS-BOT-BC130406  Fritillaria pinetorum Ernest C. Twisselmann 1957-6-5 3645 Kern Piute Mountains: Claraville-Bodfish Road, east of Piute Peak 2484 Comment
  CAS-BOT-BC130886  Deinandra arida Ernest C. Twisselmann 1970-5-6 16477 Kern East side of the main canyon floor, Red Rock Canyon 784 Comment
  CAS-BOT-BC130892  Deinandra arida Ernest C. Twisselmann 1966-3-29 11763 Kern Red Rock Canyon 762 Comment
  CAS-BOT-BC130899  Deinandra arida Ernest C. Twisselmann 1962-5-8 7095 Kern Red Rock Canyon, about 0.25 mile above the freeway bridge. (The type locality) 701 Comment
  CAS-BOT-BC130900  Deinandra arida Ernest C. Twisselmann 1964-8-22 10150 Kern Red Rock Canyon 701 Comment
  CAS-BOT-BC131117  Encelia actoni Ernest C. Twisselmann 1959-5-2 5182 Kern Breckenridge Mountain Road just east of Parker Spring 685 Comment
  CAS-BOT-BC131118  Encelia actoni Ernest C. Twisselmann 1963-5-10 8170 Kern Willow Springs Road 3.8 miles west of Mojave 899 Comment
  CAS-BOT-BC131530  Ericameria arborescens Ernest C. Twisselmann 1964-5-15 9432 Kern West side of the summit of Blue Mountain 1493 Comment
  CAS-BOT-BC132092  Allium peninsulare var. peninsulare Ernest C. Twisselmann 1954-5-1 1146 Kern Summit, Associated Canyon, Temblor Mountains 914 Comment
  CAS-BOT-BC13377  Agoseris retrorsa Ernest C. Twisselmann 1956-6-14 2947 Kern Northeast slope of Mount Pinos 2453 Comment
  CAS-BOT-BC13379  Agoseris retrorsa Ernest C. Twisselmann 1957-5-24 3600 Kern Greenhorn Range: Alta Sierra Road, 5.9 miles east of Glennville 1188 Comment
  CAS-BOT-BC13382  Agoseris retrorsa Ernest C. Twisselmann 1965-7-6 11118 Kern Tehachapi Mountains: north slope of Tehachapi Peak 2042 Comment
  CAS-BOT-BC134942  Phoradendron bolleanum Ernest C. Twisselmann 1963-6-3 8290 Kern Neasons Flat, San Emigdio Range. San Emigdio Range and the Mt. Pinos Region 1097 Comment
  CAS-BOT-BC13561  Ambrosia acanthicarpa Ernest C. Twisselmann 1969-10-16 16309 Kern Red Rock Canyon, main fork of west canyon (below Ricardo) 792 Comment
  CAS-BOT-BC137012  Cercocarpus betuloides var. betuloides Ernest C. Twisselmann 1966-7-5 12541 Kern Slope east of the mouth of Canyon de la Lecheria 1341 Comment
  CAS-BOT-BC137347  Horkeliella purpurascens Ernest C. Twisselmann 1971-7-15 17882 Kern North fork of the head of Bartolas Creek 2011 Comment
  CAS-BOT-BC137348  Horkeliella purpurascens Ernest C. Twisselmann 1965-7-27 11201 Kern Mill Creek at Breckenridge Mountain Road 2072 Comment
  CAS-BOT-BC137349  Horkeliella purpurascens Ernest C. Twisselmann 1964-7-24 9881 Kern Trail to Little Cannell Meadow above Pine Flat 2255 Comment
  CAS-BOT-BC137965  Alopecurus saccatus Ernest C. Twisselmann 1954-4-6 1006 Kern Temblor Range and the Western San Joaquin Valley. Alkali Sink: 10 miles north of Lost Hills. 106 Comment
  CAS-BOT-BC140791  Chamaebatia foliolosa Ernest C. Twisselmann 1963-7-11 8764 Kern Glennville-Greenhorn Highway, 0.5 mile east of the National Forest Boundary 1402 Comment
  CAS-BOT-BC141284  Phoradendron serotinum subsp. tomentosum Ernest C. Twisselmann 1966-8-26 12722 Kern Lumreau Creek at the Borton Place. Greenhorne Range. Sierra Nevada 1188 Comment
  CAS-BOT-BC142570  Amelanchier utahensis Ernest C. Twisselmann 1961-5-24 6205 Kern Tejon Ranch, near the head of Catskin Creek - Tehachapi Mountains 1798 Comment
  CAS-BOT-BC142707  Phacelia exilis Ernest C. Twisselmann 1962-7-19 7500 Kern Grouse Meadow, Piute Mountains 2186 Comment
  CAS-BOT-BC142709  Phacelia exilis Ernest C. Twisselmann 1965-7-27 11255 Kern Northeast slope of Breckenridge Mountain, 0.5 mile east of Breckenridge Public Camp 2065 Comment
  CAS-BOT-BC142710  Phacelia exilis Ernest C. Twisselmann 1965-7-27 11227 Kern Swale at the head of Mill Creek on the north slope of Breckenridge Mountain 2255 Comment
  CAS-BOT-BC144182  Bromus arenarius Ernest C. Twisselmann 1959-4-21 5079 Kern Temblor Range and the Western San Joaquin Valley. Annette Region. San Andreas Fault just north of Carter Grade. 579 Comment
  CAS-BOT-BC144196  Bromus arenarius Ernest C. Twisselmann 1964-5-15 9410 Kern Sierra Nevada. Greenhorn Range. North flank of Blue Mountain. 1043 Comment
  CAS-BOT-BC144279  Bromus arizonicus Ernest C. Twisselmann 1965-3-17 10473 Kern San Joaquin Valley. Kern National Wildlife Refuge. Canal at the south end of the Refuge. 68 Comment
  CAS-BOT-BC144284  Bromus arizonicus Ernest C. Twisselmann 1963-4-18 8098 Kern San Joaquin Valley. Highway U.S. 99, 2.5 miles south of Mettler. 289 Comment
  CAS-BOT-BC145056  Phacelia mohavensis Ernest C. Twisselmann 1963-7-10 8688 Kern Fork of Cannell Creek on Pine Flat. The Kern Plateau 2164 Comment
  CAS-BOT-BC145766  Avena sativa Ernest C. Twisselmann 1964-5-6 9278 Kern Mojave Desert. Mojave-Randsburg Region. Highway U.S. 466 at Desert Lake. 746 Comment
  CAS-BOT-BC145771  Avena sativa Ernest C. Twisselmann 1964-5-26 9540 Kern San Joaquin Valley. Enos Road at Rio Bravo School. 91 Comment
  CAS-BOT-BC145914  Avena fatua Ernest C. Twisselmann 1957-3-25 3266 Kern Eastern San Joaquin Valley. Porterville Road 1.5 mile north of Oildale. 152 Comment
  CAS-BOT-BC146006  Avena fatua Ernest C. Twisselmann 1963-6-3 8349 Kern San Emigdio Range and the Mount Pinos Region. Salt Creek Canyon. San Emigdio Canyon. 914 Comment
  CAS-BOT-BC146011  Avena fatua Ernest C. Twisselmann 1954-4-2 966 Kern Temblor Range and the Western San Joaquin Valley. North Belridge Oil Field. 167 Comment
  CAS-BOT-BC147252  Rubus parviflorus Ernest C. Twisselmann 1966-6-23 12410 Kern Summit Road, 1.7 miles south of Greenhorn Pass 1996 Comment
  CAS-BOT-BC147361  Rubus pensilvanicus Ernest C. Twisselmann 1958-11-1 4901 Kern Greenfield Region: Canal at Cottonwood Road & DiGiorgio Road 128 Comment
  CAS-BOT-BC147426  Rosa californica Ernest C. Twisselmann 1962-11-14 8008 Kern Fort Tejon 975 Comment
  CAS-BOT-BC147674  Rosa woodsii subsp. ultramontana Ernest C. Twisselmann 1966-6-9 12378 Kern Champagne Spring on the northwest shoulder of Cache Peak 1737 Comment
  CAS-BOT-BC148894  Bromus carinatus var. marginatus Ernest C. Twisselmann 1955-6-7 2095 Kern San Emigdio Range. Mount Abel Road, 0.2 mile north of Ventura County Line. 1463 Comment
  CAS-BOT-BC149350  Bromus arizonicus Ernest C. Twisselmann 1962-4-9 6889 Kern Temblor Range and the Western San Joaquin Valley. Belridge Plain. Highway 33 at Lerdo Road. 175 Comment
  CAS-BOT-BC149554  Bromus carinatus var. carinatus Ernest C. Twisselmann 1959-4-25 5102 Kern Sierra Nevada. Greenhorn Range. Northeast slope of Blue Mountain, 0.3 mile south of Arrastre Creek. 1036 Comment
  CAS-BOT-BC149592  Bromus carinatus var. carinatus Ernest C. Twisselmann 1965-7-27 11262 Kern Tehachapi-Kernville Region. Squirrel Meadow, Breckenridge Mountain. 2072 Comment
  CAS-BOT-BC149597  Bromus carinatus var. carinatus Ernest C. Twisselmann 1963-7-10 8698 Kern Sierra Nevada. Kern Plateau. Fork of Cannell Creek on Pine Flat. 2164 Comment
  CAS-BOT-BC149598  Bromus carinatus var. carinatus Ernest C. Twisselmann 1962-6-22 7307 Kern Tehachapi-Kernville Region. Weldon Meadows, Piute Mountains. 2087 Comment
  CAS-BOT-BC149599  Bromus carinatus var. carinatus Ernest C. Twisselmann 1962-6-22 7307 Kern Tehachapi-Kernville Region. Weldon Meadows, Piute Mountains. 2087 Comment
  CAS-BOT-BC151150  Prunus subcordata Ernest C. Twisselmann 1963-6-27 8492 Kern Fork of Cedar Creek east of Farnsworth Ranch on the Basket Pass Road - Greenhorn Range, Sierra Nevada 975 Comment
  CAS-BOT-BC151721  Diplacus fremontii Ernest C. Twisselmann 1965-5-5 10677 Kern Northeast end of Buckhorn Lake, Edwards Air Force Base, Mojave-Randsburg Region, Mojave Desert 754 Comment
  CAS-BOT-BC152071  Diplacus calycinus Ernest C. Twisselmann 1958-5-27 4514 Kern Mouth of Indian Wells Canyon, Mojave-Randsburg Region, Mojave Desert 1036 Comment
  CAS-BOT-BC152075  Diplacus calycinus Ernest C. Twisselmann 1964-5-26 9533 Kern Caliente Canyon, Tehachapi-Kernville Region 822 Comment
  CAS-BOT-BC152080  Diplacus calycinus Ernest C. Twisselmann 1963-6-4 8373 Kern Ross Ridge - Temblor Range and the Western San Joaquin Valley 762 Comment
  CAS-BOT-BC152280  Diplacus congdonii Ernest C. Twisselmann 1965-4-26 10595 Kern Edna Williams place on Nightingale Creek (south of Woody) - Greenhorn Range, Sierra Nevada 762 Comment
  CAS-BOT-BC152881  Phacelia nashiana Ernest C. Twisselmann 1958-5-27 4527 Kern East slope of Morris Peak, Sierra Nevada. 1798 Comment
  CAS-BOT-BC152990  Diplacus constrictus Ernest C. Twisselmann 1959-6-18 5387 Kern Breckenridge Mountain: ridge west of Munzer Meadow 1882 Comment
  CAS-BOT-BC153034  Diplacus constrictus Ernest C. Twisselmann 1963-6-27 8563 Kern Farnsworth Ranch, 2 miles south of Glennville 883 Comment
  CAS-BOT-BC153838  Erythranthe geniculata Ernest C. Twisselmann 1965-4-14 10543 Kern Granite outcrops at the foot of Rattlesnake Grade 396 Comment
  CAS-BOT-BC154752  Prunus virginiana var. demissa Ernest C. Twisselmann 1962-6-1 7250 Kern Water Canyon 1584 Comment
  CAS-BOT-BC154924  Prunus ilicifolia Ernest C. Twisselmann 1952-7-20 262 Kern Temblor Canyon: Cherry Spring 609 Comment
  CAS-BOT-BC155412  Bromus hordeaceus Ernest C. Twisselmann 1964-4-25 9248 Kern Sierra Nevada. Greenhorn Range. The Sheep Camp, ca. 4.5 miles east of Woody. 975 Comment
  CAS-BOT-BC155417  Bromus hordeaceus Ernest C. Twisselmann 1958-8-7 4560 Kern Tehachapi-Kernville Regoin. Tejon Ranch. Meadow near the summit of the southwest end of Catskin Basin (Mojave Drainage). 1828 Comment
  CAS-BOT-BC155418  Bromus hordeaceus Ernest C. Twisselmann 1958-8-7 4560 Kern Tehachapi-Kernville Regoin. Tejon Ranch. Meadow near the summit of the southwest end of Catskin Basin (Mojave Drainage). 1828 Comment
  CAS-BOT-BC155419  Bromus hordeaceus Ernest C. Twisselmann 1957-4-7 3332 Kern Temblor Range and the Western San Joaquin Valley. Carneros Rocks. 518 Comment
  CAS-BOT-BC155486  Bromus hordeaceus Ernest C. Twisselmann 1954-4-17 1098 Kern Temblor Range and the Western San Joaquin Valley. Temblor Grade. 10 miles west of McKittrick. 822 Comment
  CAS-BOT-BC155534  Bromus hallii Ernest C. Twisselmann 1957-6-21 3716 Kern Sierra Nevada. Greenhorn Range. Old Kernville Road, 4.4 miles east of Greenhorn Summit. 1584 Comment
  CAS-BOT-BC156094  Bromus diandrus Ernest C. Twisselmann 1961-5-23 6191 Kern Tehachapi Mountains. Tejon Ranch. Telephone Road, dropping into Monroe Canyon. 1097 Comment
  CAS-BOT-BC156510  Solanum umbelliferum E. C. Twisselmann 1965-6-23 11076 Kern Lebec: just south of the old hotel 1295 Comment
  CAS-BOT-BC156581  Rubus ulmifolius Ernest C. Twisselmann 1959-7-4 5437 Kern Eastern San Joaquin Valley. Weedpatch District: Sunset Boulevard, just west of Edison Road 138 Comment
  CAS-BOT-BC156621  Rubus bifrons Ernest C. Twisselmann 1959-7-4 5437 Kern Eastern San Joaquin Valley. Weedpatch District: Sunset Boulevard just west of Edison Road 138 Comment
  CAS-BOT-BC157542  Solanum umbelliferum E. C. Twisselmann 1958-5-21 4469 Kern Cienaga Canyon near the Klipstein Ranch 884 Comment
  CAS-BOT-BC157908  Prunus emarginata Ernest C. Twisselmann 1961-5-24 6204 Kern Tejon Ranch: ridge southwest of Catskin Creek 1859 Comment
  CAS-BOT-BC157909  Prunus emarginata Ernest C. Twisselmann 1957-6-5 3642 Kern Piute Mountains: Bodfish-Claraville Road on the ridge above Brown's Meadow 2286 Comment
  CAS-BOT-BC157910  Prunus emarginata Ernest C. Twisselmann 1956-7-17 3045 Kern Piute Peak, near the summit 2560 Comment
  CAS-BOT-BC158269  Prunus fasciculata var. fasciculata Ernest C. Twisselmann 1965-6-3 10939 Kern South Fork Valley: 1.6 mile east of Onyx 868 Comment
  CAS-BOT-BC158270  Prunus fasciculata var. fasciculata Ernest C. Twisselmann 1966-6-9 12340 Kern Airplane Flat (between Jawbone & Pine Tree canyons) 1463 Comment
  CAS-BOT-BC158794  Rubus ursinus Ernest C. Twisselmann 1960-4-2 5936 Kern Kern Canyon, 3.4 miles west of Richbar, Tehachapi-Kernville Region 335 Comment
  CAS-BOT-BC159089  Phacelia ramosissima var. latifolia Ernest C. Twisselmann 1965-7-27 11238 Kern Swale at the head of Mill Creek on the north slope of Breckenridge Mountain 2225 Comment
  CAS-BOT-BC159244  Phacelia ramosissima var. subglabra Ernest C. Twisselmann 1962-7-19 7460 Kern Lookout Point, Piute Mountains 2514 Comment
  CAS-BOT-BC159336  Drymocallis lactea var. lactea Ernest C. Twisselmann 1957-6-25 3803 Kern Meadow about 2 miles east of the summit of Mt. Pinos - San Emigdio Range 2468 Comment
  CAS-BOT-BC160650  Chylismia claviformis subsp. claviformis Ernest C. Twisselmann 1964-5-6 9274 Kern Mojave Desert, the Mojave-Randsburg Region. Highway U.S. 466, 6.5 miles west of Boron 723 Comment
  CAS-BOT-BC160664  Chylismia claviformis subsp. claviformis Ernest C. Twisselmann 1956-4-20 2694 Kern Mojave Desert, 7 miles north of Mojave 874 Comment
  CAS-BOT-BC160792  Camissonia kernensis subsp. kernensis Ernest C. Twisselmann 1962-4-11 6912 Kern Divide between Kelso Canyon and Kelso Valley 1417 Comment
  CAS-BOT-BC160797  Camissonia kernensis subsp. kernensis Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-4-24 14084 Kern Cyrus Canyon (east of Kern Valley) 1036 Comment
  CAS-BOT-BC160822  Camissonia kernensis subsp. kernensis Ernest C. Twisselmann 1959-4-16 5050 Kern Piute Mountains: Harris Grade, above Kelso Canyon 1645 Comment
  CAS-BOT-BC161423  Bromus tectorum Ernest C. Twisselmann 1969-5-21 15320 Kern Mojave Desert. Red Rock Canyon. 762 Comment
  CAS-BOT-BC161425  Bromus tectorum Ernest C. Twisselmann 1966-6-24 12481 Kern Sierra Nevada. Kern Plateau. East fork of upper Bartolas Creek. 2103 Comment
  CAS-BOT-BC161446  Bromus tectorum Ernest C. Twisselmann 1962-6-21 7397 Kern Tehachapi Mountains. Tejon Ranch. Maxmillano Ridge. 1219 Comment
  CAS-BOT-BC161452  Bromus tectorum Ernest C. Twisselmann 1962-4-10 6838 Kern Mojave Desert. Mojave-Randsburg Region. Plain west of Soledad Mountain along Silver Queen Road. 830 Comment
  CAS-BOT-BC161461  Bromus tectorum Ernest C. Twisselmann 1959-6-18 5383 Kern Tehachapi-Kernville Region. Breckenridge Mountain. Squirrel Mountain. 2072 Comment
  CAS-BOT-BC161463  Bromus tectorum Ernest C. Twisselmann 1959-4-30 5135 Kern Tehachapi-Kernville Region. Bodfish General Store, Bodfish. 792 Comment
  CAS-BOT-BC161869  Bromus rubens Ernest C. Twisselmann 1957-4-10 3355 Kern Mohave-Randsburg Region. Summit Range. Hills about 3 miles south of Searles Station, San Bernardino county. 1005 Comment
  CAS-BOT-BC161870  Bromus rubens Ernest C. Twisselmann 1962-4-10 6939 Kern Mojave Desert. The Mojave-Randsburg Region. Highway U.S. 466, 10 miles west of Boron. 655 Comment
  CAS-BOT-BC161883  Bromus rubens Ernest C. Twisselmann 1964-4-25 9254 Kern Sierra Nevada. Greenhorn Range. Slope on the south side of Howling Gulch, ca. 3 miles southeast of Woody. 822 Comment
  CAS-BOT-BC161907  Bromus rubens Ernest C. Twisselmann 1965-3-17 10471 Kern San Joaquin Valley. Kern National Wildlife Refuge. 68 Comment
  CAS-BOT-BC162690  Camissonia kernensis subsp. gilmanii Ernest C. Twisselmann 1962-5-7 7060 Kern Mouth of the canyon north of El Paso Peak, Mojave-Randsburg Region, Mojave Desert 899 Comment
  CAS-BOT-BC162880  Eremothera boothii subsp. desertorum Ernest C. Twisselmann 1962-5-7 7073 Kern Rademacher Hills, summit of Highway 395, Mojave Desert, Mojave-Randsburg Region 967 Comment
  CAS-BOT-BC162964  Eremothera boothii subsp. decorticans Ernest C. Twisselmann 1962-5-25 7172 Kern McKittrick Hills, about 0.5 mile north of McKittrrick School - Temblor Range and the Western San Joaquin Valley 365 Comment
  CAS-BOT-BC164224  Clarkia cylindrica subsp. clavicarpa Ernest C. Twisselmann 1956-5-17 2845 Kern Bakersfield Road, 3.4 miles west of Caliente 472 Comment
  CAS-BOT-BC164231  Clarkia cylindrica subsp. clavicarpa Ernest C. Twisselmann 1963-6-27 8550 Kern Basket Pass Road, just west of Cedar Creek 883 Comment
  CAS-BOT-BC164266  Clarkia cylindrica subsp. cylindrica Ernest C. Twisselmann 1955-5-22 2011 Kern Temblor Range, 10.9 miles west of McKittrick 746 Comment
  CAS-BOT-BC164542  Clarkia purpurea subsp. quadrivulnera Ernest C. Twisselmann 1962-6-21 7405 Kern Tejon Ranch: Tunis Ridge 1066 Comment
  CAS-BOT-BC164830  Clarkia rhomboidea Ernest C. Twisselmann 1962-6-21 7395 Kern Tejon Ranch: Tunis Ridge 1432 Comment
  CAS-BOT-BC164855  Clarkia rhomboidea Ernest C. Twisselmann 1965-7-6 11123 Kern North slope of Tehachapi Peak 2042 Comment
  CAS-BOT-BC165306  Clarkia speciosa subsp. polyantha Ernest C. Twisselmann 1965-6-18 11011 Kern Ridge between San Emigdio Canyon & Pleito Canyon, San Emigdio Range 807 Comment
  CAS-BOT-BC165482  Clarkia unguiculata Ernest C. Twisselmann 1965-6-18 11030 Kern Potrero in upper San Emigdio Canyon 762 Comment
  CAS-BOT-BC165487  Clarkia unguiculata Ernest C. Twisselmann 1965-6-18 11030 Kern Potrero in upper San Emigdio Canyon 762 Comment
  CAS-BOT-BC165867  Clarkia xantiana Ernest C. Twisselmann 1957-6-5 3656 Kern Indian Creek Canyon, east of Loraine Comment
  CAS-BOT-BC165868  Clarkia xantiana Ernest C. Twisselmann 1957-6-5 3609 Kern Havilah Road: 1.8 miles south of Bodfish 853 Comment
  CAS-BOT-BC166176  Epilobium canum subsp. canum Ernest C. Twisselmann 1956-11-16 3255 Kern Kern River Canyon: 1 mile east of Richbar 396 Comment
  CAS-BOT-BC166182  Epilobium canum subsp. canum Loretta Twisselmann 1971-11-19 s.n. Kern Devils Water Canyon, Temblor Range 548 Comment
  CAS-BOT-BC167309  California macrophylla Ernest C. Twisselmann 1952-4-28 422 Kern Near the summit of Drake Ridge 1021 Comment
  CAS-BOT-BC167479  Eucnide urens Ernest C. Twisselmann 1958-5-6 4434 Kern Mojave Desert, the Mojave-Randsburg Region. El Paso Mountains: Last Chance Canyon 731 Comment
  CAS-BOT-BC167746  Petalonyx thurberi Ernest C. Twisselmann 1955-9-16 2408 Kern Mojave Desert, the Mojave-Randsburg Region. Summit of Red Rock Canyon 701 Comment
  CAS-BOT-BC168380  Eremogone ferrisiae Ernest C. Twisselmann 1962-7-19 7508 Kern Slope above the Gwynne Mine, Piute Mountains, Tehachapi-Kernville Region 2191 Comment
  CAS-BOT-BC168547  Atriplex confertifolia Ernest C. Twisselmann 1969-10-16 16298 Kern Bear Mountain Boulevard: 5.2 miles west of Arvin 114 Comment
  CAS-BOT-BC168548  Atriplex confertifolia Ernest C. Twisselmann 1954-6-21 1391 Kern Alkali Sink 10 miles north of Lost Hills 106 Comment
  CAS-BOT-BC168549  Atriplex confertifolia Ernest C. Twisselmann 1954-9-1 1562 Kern Devil's Den Road, 2.4 miles east of Keck's Corner 274 Comment
  CAS-BOT-BC168691  Ribes velutinum Ernest C. Twisselmann 1966-7-13 12580 Kern West end of the summit of Mt. Pinos - San Emigdio Range and the Mt. Pinos Region 2682 Comment
  CAS-BOT-BC168720  Ribes velutinum Ernest C. Twisselmann 1964-6-10 9560 Kern Tecuya Ridge - San Emigdio Range and the Mt. Pinos Region 2057 Comment
  CAS-BOT-BC168907  Ribes malvaceum Ernest C. Twisselmann 1962-4-18 6966 Kern Tejon Ranch, upper forks of Palos Altos Canyon - Tehachapi Mountains 1310 Comment
  CAS-BOT-BC169994  Atriplex confertifolia Ernest C. Twisselmann 1969-5-21 15328 Kern Ridge just east of the Freeway bridge - Red Rock Canyon, Mojave Desert 762 Comment
  CAS-BOT-BC169996  Atriplex confertifolia Ernest C. Twisselmann 1969-5-21 15328 Kern Ridge just east of the Freeway bridge - Red Rock Canyon, Mojave Desert 762 Comment
  CAS-BOT-BC170004  Atriplex confertifolia Ernest C. Twisselmann 1965-5-18 10852 Kern Buckhorn Dry Lake, Edwards Air Force Base, Mohave-Randsburg Region 731 Comment
  CAS-BOT-BC170093  Atriplex lentiformis Ernest C. Twisselmann 1957-11-7 4125 Kern Bitterwater Canyon, 3.5 miles southwest of Maricopa - Temblor Range and the WEstern San Joaquin Valley 434 Comment
  CAS-BOT-BC170095  Atriplex lentiformis Ernest C. Twisselmann 1954-9-26 1592 Kern 1 1/2 miles north of Tupman, Buena Vista Slough - Temblor Range and the Western San Joaquin Valley 94 Comment
  CAS-BOT-BC170102  Atriplex lentiformis Ernest C. Twisselmann 1969-10-16 16288 Kern DiGiorgio Road, 0.6 mile east of Cottonwood Road (Caliente Creek) - San Joaquin Valley 91 Comment
  CAS-BOT-BC170250  Atriplex hymenelytra Ernest C. Twisselmann 1958-5-6 4431 Kern El Paso Mountains: Last chance Canyon at the sesomotite cliffs, Mohave-Randsburg Region 914 Comment
  CAS-BOT-BC170799  Mentzelia eremophila Ernest C. Twisselmann 1969-5-21 15441 Kern Head of the canyon on the old highway (Abbott Road) - Red Rock Canyon, Mojave Desert 853 Comment
  CAS-BOT-BC170807  Mentzelia eremophila Ernest C. Twisselmann 1965-5-6 10720 Kern El Paso Mountains, mesa south of Black Mountain, Mojave-Randsburg Region, Mojave Desert 1280 Comment
  CAS-BOT-BC170951  Alnus rhombifolia Ernest C. Twisselmann 1957-4-30 3451 Kern Piute Mountains: Erskine Creek near Iconoclast Mine. Tehachapi-Kernville Region 1127 Comment
  CAS-BOT-BC171122  Larrea tridentata Ernest C. Twisselmann 1952-7-1 315 Kern Slope 1 mile southwest of Point of Rocks - Temblor Range and the Western San Joaquin Valley 335 Comment
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Feb 28 2018
  CAS-BOT-BC171902  Epilobium canum subsp. latifolium Ernest C. Twisselmann 1958-8-19 4708 Kern Summit of Breckenridge Mountain, Tehachapi-Kernville Region. 2299 Comment
  CAS-BOT-BC171907  Epilobium canum subsp. latifolium Ernest C. Twisselmann 1955-10-21 2473 Kern Summit of French Meadow-Walker Basin Road, Piute Mountains, Tehachapi-Kernville Region. 2484 Comment
  CAS-BOT-BC171908  Epilobium canum subsp. latifolium Ernest C. Twisselmann 1955-8-10 2309 Kern Mt. Pinos Road, .4 miles west of Camp McGill, San Emigdio Range 2316 Comment
  CAS-BOT-BC171909  Epilobium canum subsp. latifolium Ernest C. Twisselmann 1955-8-10 2309 Kern Mt. Pinos Road, .4 miles west of Camp McGill, San Emigdio Range 2316 Comment
  CAS-BOT-BC171910  Epilobium canum subsp. latifolium Ernest C. Twisselmann 1963-7-10 8658 Kern Rim of the Kern Plateau southwest of Pine Flat, Kern Plateau, Sierra Nevada 2255 Comment
  CAS-BOT-BC172521  Clarkia purpurea subsp. quadrivulnera Ernest C. Twisselmann 1965-6-4 11008 Kern Slope east of the Farnsworth Ranch, Greenhorn Range, Sierra Nevada 914 Comment
  CAS-BOT-BC172607  Atriplex coronata Ernest C. Twisselmann 1964-9-29 10283 Kern Pond near the Headquarters building. The Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC172608  Atriplex coronata Ernest C. Twisselmann 1965-9-19 11567 Kern Public hunting area. the Kern National Wildlife Refuge 65 Comment
  CAS-BOT-BC172609  Atriplex coronata Ernest C. Twisselmann 1964-9-29 10283 Kern Pond near the Headquarters building. The Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC172610  Atriplex coronata Ernest C. Twisselmann 1965-9-19 11567 Kern Public hunting area. The Kern National Wildlife Refuge 65 Comment
  CAS-BOT-BC172690  Atriplex lentiformis Ernest C. Twisselmann 1957-11-7 4125 Kern Bitterwater Canyon, 3.5 miles southwest of Maricopa 434 Comment
  CAS-BOT-BC17271  Arabidopsis thaliana Ernest C. Twisselmann 1954-7-26 1477 Kern The Temblor Range and the Western San Joaquin Valley. Tembloer Ranch. Western Kern County. 579 Comment
  CAS-BOT-BC175391  Allenrolfea occidentalis Ernest C. Twisselmann 1953-11-3 814 Kern Four miles north of Lost Hills 88 Comment
  CAS-BOT-BC176648  Atriplex serenana var. serenana Ernest C. Twisselmann 1969-5-21 15434 Kern Mojave Desert, Red Rock Canyon. Ricardo 792 Comment
  CAS-BOT-BC177283  Astragalus acutirostris Ernest C. Twisselmann 1958-4-17 4292 B Kern Mojave-Randsburg Region. Mojave Road, 7.3 miles west of Boron 762 Comment
  CAS-BOT-BC177945  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1969-4-5 15092 Kern Paine Preserve, 2.1 miles north of Highway 46 on the Corcoran Highway 91 Comment
  CAS-BOT-BC178080  Astragalus lentiginosus var. nigricalycis Ernest C. Twisselmann 1969-4-19 15127 Kern Comanche Hills along Tejon Creek, ca. 1 mile above its mouth - San Joaquin Valley 335 Comment
  CAS-BOT-BC178122  Astragalus lentiginosus var. nigricalycis Ernest C. Twisselmann 1962-3-28 6717 Kern Hills north of Point of Rocks - Temblor Range and the WEstern San Joaquin Valley 182 Comment
  CAS-BOT-BC179795  Centrostegia thurberi Ernest C. Twisselmann 1962-5-8 7160 Kern NE flank of Morris Peak at the head of Indian Wells Canyon. Sierra Nevada 1584 Comment
  CAS-BOT-BC179801  Centrostegia thurberi Ernest C. Twisselmann 1968-6-13 14329 Kern Cholla Canyon on the W slope of Scodie Mountain. Tehachapi-Kernville Region 1280 Comment
  CAS-BOT-BC179803  Centrostegia thurberi Ernest C. Twisselmann 1965-5-18 10834 Kern Dunes at the NE end of Buckhorn Lake, Edwards Air Force Base. Mojave Desert. Mojave-Randsburg Region 746 Comment
  CAS-BOT-BC180386  Comandra umbellata subsp. californica Ernest C. Twisselmann 1964-7-23 9779 Kern Ridge above Cedar Creek Public Camp, Greenhorn Range. Sierra Nevada 1470 Comment
  CAS-BOT-BC180533  Astragalus asymmetricus Ernest C. Twisselmann 1963-4-9 8021 Kern Annette Hills, .25 mile south of Annette - Temblor Range and the Western San Joaquin Valley 670 Comment
  CAS-BOT-BC180535  Astragalus asymmetricus Ernest C. Twisselmann 1963-6-7 8383 Kern Choice Valley, 1.75 mile north of the Choice Valley School - Temblor Range and the Western San Joaquin Valley 609 Comment
  CAS-BOT-BC180726  Salsola tragus Ernest C. Twisselmann 1962-11-14 8002 Kern Tejon Ranch service road at the head of Grapevine Canyon - San Emigdio Range and the Mt. Pinos Region 990 Comment
  CAS-BOT-BC180735  Salsola tragus Ernest C. Twisselmann 1962-11-14 7966 Kern Panama Road, ca. 1.5 mile west of Old River - San Joaquin Valley, east side Kern County 120 Comment
  CAS-BOT-BC18087  Carex athrostachya Ernest C. Twisselmann 1958-8-19 4692 Kern Tehachapi-Kernville Region. Breckenridge Mountain. Squirrel Meadow. 2072 Comment
  CAS-BOT-BC18089  Carex athrostachya Ernest C. Twisselmann 1961-7-27 6451 Kern Sierra Nevada. Kern River opposite the Kernville Cemetery. 792 Comment
  CAS-BOT-BC18094  Carex athrostachya Ernest C. Twisselmann 1966-7-13 12599 Kern San Emigdio Range and the Mt. Pinos Region. Cienega at the head of Bitter Creek. 2590 Comment
  CAS-BOT-BC182406  Astragalus didymocarpus var. dispermus Ernest C. Twisselmann 1962-4-10 6778 Kern Mojave Desert, the Mojave-Randsburg Region. El Paso Range: mouth of Iron Canyon 670 Comment
  CAS-BOT-BC182413  Astragalus didymocarpus var. dispermus Ernest C. Twisselmann 1965-5-5 10665 Kern Mojave Desert, the Mojave-Randsburg Region. Northwest end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-BC182674  Astragalus douglasii Ernest C. Twisselmann 1964-6-21 9629 Kern Summit of the east flank of Bear Mountain 1981 Comment
  CAS-BOT-BC183127  Vulpia microstachys var. ciliata E. C. Twisselmann 1954-4-17 1090 A Kern Temblor Grade, 6 miles west of McKittrick Comment
  CAS-BOT-BC183128  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1965-4-26 10596 Kern Slope above Long Tom Mine 579 Comment
  CAS-BOT-BC184743  Vulpia myuros subsp. megalura Ernest C. Twisselmann 1955-4-14 1862 Kern Messa Ridge, Temblor Mountains 883 Comment
  CAS-BOT-BC184771  Vulpia myuros subsp. megalura Ernest C. Twisselmann 1971-6-20 17748 Kern Forks of the Kern 1438 Comment
  CAS-BOT-BC184888  Chloris virgata Ernest C. Twisselmann 1954-9-26 1595 Kern Temblor Range and the Western San Joaqin Valley. Cotton field, 2 miles south of Goose Lake. 70 Comment
  CAS-BOT-BC184946  Cenchrus longispinus Ernest C. Twisselmann 1959-7-4 5436 Kern Eastern San Joaquin Valley. Mettler Station District. Adobe Road 3.1 miles south of Highway U.S. 99. 128 Comment
  CAS-BOT-BC185959  Vulpia octoflora var. octoflora Ernest C. Twisselmann 1965-5-18 10824 Kern Mojave Desert, the Mojave-Randsburg Region. Dunes at the southwest end of Rogers Lake, Edwards Air Force Base 731 Comment
  CAS-BOT-BC185965  Vulpia octoflora var. octoflora Ernest C. Twisselmann 1965-5-18 10824 Kern Mojave Desert, the Mojave-Randsburg Region. Dunes at the southwest end of Rogers Lake, Edwards Air Force Base 731 Comment
  CAS-BOT-BC186306  Garrya flavescens Ernest C. Twisselmann 1966-6-9 12362 Kern Champagne Spring on the northeast shoulder of Cache Peak 1737 Comment
  CAS-BOT-BC186311  Garrya flavescens Ernest C. Twisselmann 1959-4-16 5047 Kern Piute Mountains: Slope just east of Bald Eagle Peak 1981 Comment
  CAS-BOT-BC186890  Astragalus hornii var. hornii Ernest C. Twisselmann 1962-11-14 7990 Kern Panama Road, 3 miles east of Greenfield 109 Comment
  CAS-BOT-BC187197  Astragalus lentiginosus var. idriensis Ernest C. Twisselmann 1959-6-2 5295 Kern Tecuya Ridge 2011 Comment
  CAS-BOT-BC187198  Astragalus lentiginosus var. idriensis Ernest C. Twisselmann 1952-5-1 306 Kern Summit of Black & Carneros Canyon 1082 Comment
  CAS-BOT-BC187199  Astragalus lentiginosus var. idriensis Ernest C. Twisselmann 1954-5-1 1140 Kern Temblor Mountains: Summit of Associated Ridges 975 Comment
  CAS-BOT-BC187201  Astragalus lentiginosus var. idriensis Ernest C. Twisselmann 1954-4-17 1081 Kern Temblor Grade: 8 miles west of McKittrick 853 Comment
  CAS-BOT-BC187411  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1965-5-5 10706 Kern Mojave Desert, the Mojave-Randsburg Region. Dunes at the south end of Rogers Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-BC187413  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1962-4-11 6931 Kern Mojave Desert, the Mojave-Randsburg Region. Red Rock Canyon, about 0.75 mile below Ricardo 662 Comment
  CAS-BOT-BC187415  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1963-5-10 8148 Kern Mojave Desert, the Mojave-Randsburg Region. Rosamond Hills, 5 miles north of Rosamond 792 Comment
  CAS-BOT-BC187431  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1957-4-3 3300 Kern Eastern San Joaquin Valley. Kern River flood plain near the Kern County Golf Course 188 Comment
  CAS-BOT-BC187433  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1956-3-7 2532 Kern Poso Hills 11.8 miles east of Famosa 298 Comment
  CAS-BOT-BC187435  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1956-5-17 2822 Kern Piute Mountains: Foot of Harris Grade 1295 Comment
  CAS-BOT-BC188125  Eriodictyon parryi Ernest C. Twisselmann 1966-7-5 12544 Kern Summit ridge W of Bronco Canyon, Tejon Ranch 1706 Comment
  CAS-BOT-BC188934  Eriodictyon parryi Ernest C. Twisselmann 1966-5-10 12166 Kern Road to Scodie Park, South Fork Valley 853 Comment
  CAS-BOT-BC189170  Eriodictyon crassifolium var. nigrescens Ernest C. Twisselmann 1964-6-10 9617 Kern Frazier Park, just below the Medical Center, upper Cuddy Canyon 1615 Comment
  CAS-BOT-BC189181  Eriodictyon crassifolium var. nigrescens Ernest C. Twisselmann 1965-6-18 11034 Kern Potrero in upper San Emigdio Canyon 762 Comment
  CAS-BOT-BC189350  Cryptantha circumscissa Ernest C. Twisselmann 1964-5-7 9367 Kern The Mojave-Randsburg Region. SW end of Rogers Lake, Edwards Air Force Base 620 Comment
  CAS-BOT-BC189373  Cryptantha circumscissa Ernest C. Twisselmann 1969-5-21 15414 Kern Red Rock Canyon. E side of the first ridge E of the main canyon floor 792 Comment
  CAS-BOT-BC189375  Cryptantha circumscissa Ernest C. Twisselmann 1964-6-21 9654 Kern Tehachapi Mountains. Summit of the E flank of Bear Mountain 1889 Comment
  CAS-BOT-BC189512  Cryptantha circumscissa var. circumscissa Ernest C. Twisselmann 1957-5-10 3501 B Kern Tehachapi-Kernville Region. Southern Sierra Nevada: Kelso Canyon Road, 1.1 miles W of Bird Spring Pass 1524 Comment
  CAS-BOT-BC190231  Cynodon dactylon Ernest C. Twisselmann 1965-4-21 10566 Kern Tehachapi Mountains. Mouht of El Paso Canyon. 541 Comment
  CAS-BOT-BC190233  Cynodon dactylon Ernest C. Twisselmann 1965-10-1 11630 Kern Sierra Nevada. Greenhorn Range. Lumreau Creek, ca. 0.5 mile above Cedar Creek. 822 Comment
  CAS-BOT-BC191695  Chorizanthe brevicornu var. brevicornu Ernest C. Twisselmann 1966-4-13 11840 Kern Plains E of Ridgecrest, along County Line Road. Mojave Desert 719 Comment
  CAS-BOT-BC191799  Chorizanthe clevelandii Ernest C. Twisselmann 1957-8-5 3912 Kern Evans Flat. Greenhorn Range 2026 Comment
  CAS-BOT-BC192716  Deschampsia danthonioides Ernest C. Twisselmann 1959-6-18 5380 Kern Breckenridge Mountain: Squirrel Meadow 2072 Comment
  CAS-BOT-BC192723  Deschampsia danthonioides Ernest C. Twisselmann 1962-4-11 6924 Kern Mojave Desert, the Mojave-Randsburg Region. Red Rock Canyon, about 0.75 mile below Ricardo 662 Comment
  CAS-BOT-BC192725  Deschampsia danthonioides Ernest C. Twisselmann 1954-3-13 885 Kern Alkali Sink, 9 miles north of Lost Hills 74 Comment
  CAS-BOT-BC193017  Astragalus purshii var. tinctus Ernest C. Twisselmann 1957-4-30 3453 Kern Piute Mountains: Erskine Creek 1158 Comment
  CAS-BOT-BC193467  Thinopyrum ponticum Ernest C. Twisselmann 1959-7-4 5462 Kern Lerdo Highway 3.2 miles east of Spicer City Gin - Temblor Range and the Western San Joaquin Valley 129 Comment
  CAS-BOT-BC193468  Thinopyrum ponticum Ernest C. Twisselmann 1959-7-4 5462 Kern Lerdo Highway 3.2 miles east of Spicer City Gin - Temblor Range and the Western San Joaquin Valley 129 Comment
  CAS-BOT-BC194181  Astragalus pachypus Ernest C. Twisselmann 1957-4-10 3343 Kern El Paso Mountains, Last Chance Canyon, Mojave-Randsburg Region 1066 Comment
  CAS-BOT-BC194213  Astragalus pachypus Ernest C. Twisselmann 1955-6-7 2114 Kern Upper Quatal Canyon - San Emigdio Range 1584 Comment
  CAS-BOT-BC19443  Carex bolanderi Ernest C. Twisselmann 1963-7-9 8597 Kern Sierra Nevada. The Greenhorn Range. Slope on the southwest side of Black Mountain Saddle. 1886 Comment
  CAS-BOT-BC194446  Astragalus oxyphysus Ernest C. Twisselmann 1963-4-12 8048 Kern Summit of White Wolf Grade - Tehachapi Mountains 579 Comment
  CAS-BOT-BC197022  Echinochloa colona Ernest C. Twisselmann 1954-9-1 1542 Kern Temblor Range and the Western San Joaquin Valley. Antelope Valley: 1/2 mile east of Iver Hansen Ranch Headquarters, western Kern County 304 Comment
  CAS-BOT-BC197124  Echinochloa crus-galli Ernest C. Twisselmann 1953-9-7 753 Kern Temblor Range and the Western San Joaquin Valley. Sulfur Spring Creek, Temblor Ranch 579 Comment
  CAS-BOT-BC197131  Echinochloa crus-galli Ernest C. Twisselmann 1962-11-14 7949 Kern San Joaquin Valley, the Kern County East Side. Canal at the east side of Buena Vista Lake 60 Comment
  CAS-BOT-BC197381  Thinopyrum intermedium subsp. barbulatum Ernest C. Twisselmann 1958-5-21 4473 Kern Sierra Nevada, the Greenhorn Range. Hill 3206, Henry Bowan Ranch, near Glennville 944 Comment
  CAS-BOT-BC197383  Thinopyrum intermedium subsp. barbulatum Ernest C. Twisselmann 1963-7-11 8756 Kern Sierra Nevada, the Greenhorn Range. Southwest slope of Black Mountain 1615 Comment
  CAS-BOT-BC198452  Lupinus albifrons var. albifrons Ernest C. Twisselmann 1957-4-19 3401 Kern McGovern Grade, 1 mile east of Annette - Temblor Range and the Western San Joaquin Valley 579 Comment
  CAS-BOT-BC198772  Vulpia bromoides Ernest C. Twisselmann 1956-3-16 2556 Kern U.S. Highway 6, 7.2 miles south of Freeman Junction, Mojave-Randsburg Region - Mojave Desert 853 Comment
  CAS-BOT-BC200022  Ribes roezlii var. roezlii Ernest C. Twisselmann 1966-5-20 12259 Kern West side of the summit of Tweedy Canyon (mountains east of Keene) 1676 Comment
  CAS-BOT-BC200501  Triticum aestivum Ernest C. Twisselmann 1954-7-31 1487 Kern Las Yeguas Ranch: Temblor Mountains 853 Comment
  CAS-BOT-BC200815  Astragalus trichopodus var. phoxus Ernest C. Twisselmann 1965-5-18 10861 Kern Lebec: slope just south of the old Lebec Hotel 1097 Comment
  CAS-BOT-BC201794  Deschampsia elongata Ernest C. Twisselmann 1971-7-15 17893 Kern South fork of the head of Bartolas Creek 1981 Comment
  CAS-BOT-BC202343  Prosopis glandulosa var. torreyana Ernest C. Twisselmann 1965-5-6 10741 Kern Mojave Desert, the Mojave-Randsburg Region. Mouth of Mesquite Canyon, El Paso Range 701 Comment
  CAS-BOT-BC202482  Euphorbia vallis-mortae Ernest C. Twisselmann 1968-6-13 14326 Kern Tehachapi-Kernville Region. Cholla Canyon on the west slope of Scodie Mountain 1158 Comment
  CAS-BOT-BC202489  Euphorbia vallis-mortae Ernest C. Twisselmann 1958-5-27 4542 Kern Short Canyon (Mojave drainage) 1036 Comment
  CAS-BOT-BC203057  Vitis californica Ernest C. Twisselmann 1957-8-13 3957 Kern San Emigdio Range. Grapevine Canyon 670 Comment
  CAS-BOT-BC203058  Vitis californica Ernest C. Twisselmann 1961-5-23 6134 Kern Tehachapi Mountains. El Paso Canyon 731 Comment
  CAS-BOT-BC203059  Vitis californica Ernest C. Twisselmann 1958-8-7 4567 Kern Tehachapi-Kernville Region. Tejon Ranch: El Paso Creek 792 Comment
  CAS-BOT-BC203061  Vitis californica Ernest C. Twisselmann 1959-7-4 5428 Kern Eastern San Joaquin Valley. Kern River: canal about 0.75 mile south of China Grade Bridge, Bakersfield 129 Comment
  CAS-BOT-BC203179  Vitis girdiana Ernest C. Twisselmann 1961-8-22 6525 Kern Grapevine Canyon (west of Indian Wells Valley) 914 Comment
  CAS-BOT-BC203257  Eremalche parryi Ernest C. Twisselmann 1955-4-2 1773 Kern Temblor Range and the Western San Joaquin Valley. Alkali sink 10 miles north of Lost Hills 91 Comment
  CAS-BOT-BC203258  Eremalche parryi Ernest C. Twisselmann 1955-4-2 1773 Kern Temblor Range and the Western San Joaquin Valley. Alkali sink 10 miles north of Lost Hills 91 Comment
  CAS-BOT-BC203259  Eremalche parryi Ernest C. Twisselmann 1955-4-2 1773 Kern Temblor Range and the Western San Joaquin Valley. Alkali sink 10 miles north of Lost Hills 91 Comment
  CAS-BOT-BC203263  Eremalche parryi Ernest C. Twisselmann 1954-7-1 s.n. Kern Alkali Sink, 10 miles north of Lost Hills Comment
  CAS-BOT-BC203288  Eremalche parryi Ernest C. Twisselmann 1965-4-14 10511 Kern Tehachapi-Kernville Region. West slope of Breckenridge Mountain 624 Comment
  CAS-BOT-BC203305  Eremalche parryi Ernest C. Twisselmann 1965-4-14 10511 Kern Tehachapi-Kernville Region. West slope of Breckenridge Mountain 624 Comment
  CAS-BOT-BC204007  Malacothamnus fremontii Ernest C. Twisselmann 1955-7-7 2230 Kern Temblor Range and the Western San Joaquin Valley. Ross Ridge, Temblor Mountains 740 Comment
  CAS-BOT-BC204008  Malacothamnus fremontii Ernest C. Twisselmann 1954-5-7 1199 Kern Temblor Range and the Western San Joaquin Valley. Carneros Wash: 1/2 mile west of Middlewater Pump Station 213 Comment
  CAS-BOT-BC204009  Malacothamnus fremontii Ernest C. Twisselmann 1961-6-22 6287 Kern San Emigdio Range and the Mt. Pinos Region. East fork of upper San Emigdio Canyon 1676 Comment
  CAS-BOT-BC204010  Malacothamnus fremontii Ernest C. Twisselmann 1955-8-10 2324 Kern San Emigdio Range. Mt. Pinos Road, near Ventura County Line 2127 Comment
  CAS-BOT-BC204230  Elymus stebbinsii subsp. stebbinsii Ernest C. Twisselmann 1965-6-23 11056 Kern Tehachapi Mountains. High ridge east of Purdy Canyon, Tejon Ranch 1996 Comment
  CAS-BOT-BC204351  Elymus trachycaulus subsp. trachycaulus Ernest C. Twisselmann 1961-6-22 6296 Kern San Emigdio Range and the Mt. Pinos Region. Cuddy Valley, 2.6 miles west of Cuddy Valley Store 1661 Comment
  CAS-BOT-BC204472  Eragrostis cilianensis Ernest C. Twisselmann 1962-11-14 7988 Kern San Joaquin Valley, the Kern County East Side. Taft Highway, 0.6 mile east of Old River 105 Comment
  CAS-BOT-BC204563  Eragrostis mexicana subsp. virescens Ernest C. Twisselmann 1961-8-22 6536 Kern Tehachapi-Kernville Region. South Fork Valley, 2 miles east of Weldon 792 Comment
  CAS-BOT-BC204565  Eragrostis mexicana subsp. virescens Ernest C. Twisselmann 1959-7-4 5459 Kern Eastern San Joaquin Valley. Shafter District: Santa Fe Road just south of Kratzmeyer Road 114 Comment
  CAS-BOT-BC204574  Eragrostis mexicana subsp. virescens Ernest C. Twisselmann 1964-7-17 9713 Kern San Joaquin Valley, the Kern County East Side. Panama Lane, 4.5 miles east of Lamont 152 Comment
  CAS-BOT-BC205135  Lupinus elatus Ernest C. Twisselmann 1955-8-10 2325 Kern San Emigdio Range. Summit of Mt. Abel 2499 Comment
  CAS-BOT-BC205141  Lupinus elatus Ernest C. Twisselmann 1963-8-30 8939 Kern Tehachapi-Kernville Region. Piute Mountain: Walker Basin road, ca. 0.5 mile below Horn Brothers Sawmill 2377 Comment
  CAS-BOT-BC205864  Fremontodendron californicum Ernest C. Twisselmann 1959-6-18 5395 Kern Tehachapi-Kernville Region. West slope of Breckenridge Mountain 1402 Comment
  CAS-BOT-BC206346  Malacothamnus fremontii Ernest C. Twisselmann 1963-6-4 8369 Kern Ross Ridge, Temblor Range - Temblor Range and the Western San Joaquin Valley 723 Comment
  CAS-BOT-BC20646  Carex douglasii Ernest C. Twisselmann 1962-6-22 7352 Kern Tehachapi-Kernville Region. Woolstaff Meadow, Piute Mountains. 2286 Comment
  CAS-BOT-BC206707  Elymus glaucus subsp. glaucus Ernest C. Twisselmann 1954-4-26 1113 Kern Carneros Rocks, Western Kern County - Temblor Range and the Western San Joaquin Valley 518 Comment
  CAS-BOT-BC206709  Elymus glaucus subsp. glaucus Ernest C. Twisselmann 1962-7-19 74941 Kern French Meadow, Piute Mountains, Tehachapi-Kernville Region 2072 Comment
  CAS-BOT-BC206710  Elymus glaucus subsp. glaucus Ernest C. Twisselmann 1965-7-27 11239 Kern Swale at the head of Mill Creek on the north slope of Breckenridge Mountain, Tehachapi-Kernville Region 2225 Comment
  CAS-BOT-BC208690  Distichlis spicata Ernest C. Twisselmann 1964-5-7 9357 Kern Flats at the north end of Rosamond Lake, Edwards Air Force Base, Mojave-Randsburg Region, Mojave Desert 605 Comment
  CAS-BOT-BC208703  Distichlis spicata Ernest C. Twisselmann 1963-6-11 8451 Kern Scovern Hot Springs, subalkaline flats below Isabella, Tehachapi-Kernville Region 762 Comment
  CAS-BOT-BC208705  Distichlis spicata Ernest C. Twisselmann 1964-7-17 9730 Kern South side of Castaic Lake, Tehachapi Mountains 1051 Comment
  CAS-BOT-BC209057  Digitaria sanguinalis Ernest C. Twisselmann 1959-8-7 5574 Kern Airport Road 2.5 miles east of Delano - Eastern San Joaquin Valley 121 Comment
  CAS-BOT-BC209676  Ribes quercetorum Ernest C. Twisselmann 1957-4-3 3301 Kern Sierra Nevada, the Greenhorn Range. Rattlesnake Grade, 10.6 miles northeast of Kern River Highway 822 Comment
  CAS-BOT-BC211002  Fraxinus velutina Ernest C. Twisselmann 1964-5-26 9498 Kern Tehachapi-Kernville Region. Back Canyon 1097 Comment
  CAS-BOT-BC211594  Tamarix Ernest C. Twisselmann 1962-11-14 7963 Kern Buena Vista Plains, ca. 3 miles southwest of the end of Hill Road, San Joaquin Valley 60 Comment
  CAS-BOT-BC211906  Achnatherum coronatum Ernest C. Twisselmann 1954-6-27 1395 Kern Drake Ridge, 4 miles northwest of Temblor Ranch, Temblor Range and the Western San Joaquin Valley 883 Comment
  CAS-BOT-BC213314  Lathyrus sulphureus Ernest C. Twisselmann 1965-7-29 11376 Kern Shirley Meadows, Greenhorn Range, Sierra Nevada 2072 Comment
  CAS-BOT-BC213316  Lathyrus sulphureus Ernest C. Twisselmann 1963-7-9 8605 Kern Greenhorn Mountain Park, just above Alta Sierra Lodge, Greenhorn Range, Sierra Nevada 1844 Comment
  CAS-BOT-BC213445  Acmispon argophyllus var. argophyllus Ernest C. Twisselmann 1966-4-6 11770 Kern Gordon Gulch, in the low hills northwest of Woody, Greenhorn Range, Sierra Nevada 388 Comment
  CAS-BOT-BC213450  Acmispon argophyllus var. argophyllus Ernest C. Twisselmann 1966-5-10 12121 Kern Piute Moutains, west end of King Solomkon's Ridge, Tehachapi-Kernville Region 1493 Comment
  CAS-BOT-BC214240  Scutellaria bolanderi subsp. bolanderi Ernest C. Twisselmann 1965-10-1 11645 Kern Lumreau Creek, just above Cedar Creek, Greenhorn Range, Sierra Nevada 807 Comment
  CAS-BOT-BC214281  Salvia dorrii var. pilosa Ernest C. Twisselmann 1956-4-20 2658 Kern Kelso Creek Canyon, 4.6 miles south of Weldon, Tehachapi-Kernville Region 883 Comment
  CAS-BOT-BC214327  Trichostema ovatum Ernest C. Twisselmann 1963-8-8 8828 Kern Highway U.S. 99, 1.5 mile south of Cawelo, San Joaquin Valley 114 Comment
  CAS-BOT-BC214412  Eremalche parryi subsp. kernensis Ernest C. Twisselmann 1958-4-26 4379 Kern Temblor Range and the Western San Joaquin Valley. Highway 33, about 6 miles north of McKittrick, (Belridge Plain) 243 Comment
  CAS-BOT-BC214419  Eremalche parryi subsp. kernensis Ernest C. Twisselmann 1958-4-26 4378 Kern Temblor Range and the Western San Joaquin Valley. Highway 33, about 6 miles north of McKittrick, (Belridge Plain) 243 Comment
  CAS-BOT-BC214594  Erigeron philadelphicus Ernest C. Twisselmann 1963-6-27 8506 Kern Sierra Nevada, Greenhorn Range. Cedar Creek, just below the mouth of Fulton Creek 990 Comment
  CAS-BOT-BC216117  Eriodictyon californicum Ernest C. Twisselmann 1958-8-19 4689 Kern Breckenridge Mountain Road, 3 miles west of teh Havilah Road, Tehachapi-Kernville Region 1463 Comment
  CAS-BOT-BC216753  Lupinus excubitus var. excubitus Ernest C. Twisselmann 1963-5-11 8176 Kern Horse Canyon, Scodie [Kiavah] Mountain 1706 Comment
  CAS-BOT-BC216755  Lupinus excubitus var. excubitus Ernest C. Twisselmann 1966-5-10 12123 Kern W end of King Solomon's Ridge 1463 Comment
  CAS-BOT-BC216762  Lupinus excubitus var. excubitus Ernest C. Twisselmann 1964-6-10 9566 Kern Tecuya Ridge 1828 Comment
  CAS-BOT-BC216842  Achnatherum occidentale Ernest C. Twisselmann 1965-7-27 11221 Kern NW slope of the summit ridge of Breckenridge Mountain 2293 Comment
  CAS-BOT-BC218412  Perideridia pringlei Ernest C. Twisselmann 1965-6-3 10952 Kern Hill east of Bodfish Gap, northwest end of Piute Mountain, Tehachapi-Kernville Region 1234 Comment
  CAS-BOT-BC218602  Achnatherum occidentale subsp. pubescens Ernest C. Twisselmann 1971-7-15 17858 Kern South Fork of the head of Bartolas Creek, Kern Plateau, Sierra Nevada 1981 Comment
  CAS-BOT-BC219282  Ribes nevadense Ernest C. Twisselmann 1962-6-1 7236 Kern NW slope of Tehachapi Peak 1889 Comment
  CAS-BOT-BC219287  Ribes nevadense Ernest C. Twisselmann 1966-7-13 12579 Kern E fork of the head of San Emigdio Canyon 1828 Comment
  CAS-BOT-BC219288  Ribes nevadense Ernest C. Twisselmann 1965-7-6 11116 Kern N slope of Tehachapi Peak 2042 Comment
  CAS-BOT-BC219289  Ribes nevadense Ernest C. Twisselmann 1962-5-25 7207 Kern Roadside 4.6 miles from the summit of Mount Abel 2346 Comment
  CAS-BOT-BC219886  Monardella breweri subsp. breweri Ernest C. Twisselmann 1957-8-5 3910 Kern Sierra Nevada, the Greenhorn Range. Rattlesnake Grade, 2.2 miles east of Evans Flat 1889 Comment
  CAS-BOT-BC220872  Trichostema ovatum Ernest C. Twisselmann 1959-8-7 5567 Kern Eastern San Joaquin Valley. Delano: Oxaford [Oxford] Street just north of 11th Avenue 124 Comment
  CAS-BOT-BC221023  Trichostema austromontanum subsp. austromontanum Ernest C. Twisselmann 1958-8-19 4693 Kern Tehachapi-Kernville Region. Breckenridge Mountain: Squirrel Meadow 2072 Comment
  CAS-BOT-BC222914  Cephalanthus occidentalis Ernest C. Twisselmann 1954-8-11 1497 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough: 1.5 miles northwest of Tupman 83 Comment
  CAS-BOT-BC223068  Galium angustifolium subsp. onycense Ernest C. Twisselmann 1966-5-10 12153 Kern High slope west of Spanish Needle Creek 1432 Comment
  CAS-BOT-BC223069  Galium angustifolium subsp. onycense Ernest C. Twisselmann 1965-6-3 10911 Kern Head of Spanish Needle Creek 1417 Comment
  CAS-BOT-BC223070  Galium angustifolium subsp. onycense Ernest C. Twisselmann 1965-6-3 10923 Kern South side of the mouth of Spanish Needle Creek 1196 Comment
  CAS-BOT-BC223640  Calystegia longipes Ernest C. Twisselmann 1957-4-30 3444 Kern Tehachapi-Kernville Region. Piute Mountains: Erskine Creek 960 Comment
  CAS-BOT-BC223653  Calystegia longipes Ernest C. Twisselmann 1963-6-11 8461 Kern Kern Canyon just north of River Kern 883 Comment
  CAS-BOT-BC223725  Frankenia salina Ernest C. Twisselmann 1957-11-7 4127 Kern Temblor Range and the Western San Joaquin Valley. Bitterwater Canyon, 3.5 miles southwest of Maricopa 434 Comment
  CAS-BOT-BC223734  Frankenia salina Ernest C. Twisselmann 1964-5-7 9349 Kern Mojave Desert, the Mojave-Randsburg Region. Northeast end of Rosamond Lake, Edwards Air Force Base 601 Comment
  CAS-BOT-BC224265  Eriodictyon californicum Ernest C. Twisselmann 1959-5-2 5166 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road, 5.9 miles west of Munzer Meadow 1249 Comment
  CAS-BOT-BC224762  Calystegia malacophylla subsp. pedicellata Ernest C. Twisselmann 1963-6-3 8296 Kern San Emigdio Range and the Mt. Pinos Region. Neasons Flat, San Emigdio Range 1066 Comment
  CAS-BOT-BC225674  Leptosiphon serrulatus Ernest C. Twisselmann 1964-5-15 9411 Kern North flank of Blue Mountain, Greenhorn Range, Sierra Nevada 1043 Comment
  CAS-BOT-BC22588  Ambrosia dumosa Ernest C. Twisselmann 1958-11-1 4932 Kern Mohave-Randsburg region. Last Chance Canyon flood plain, above Koehn Lake. 594 Comment
  CAS-BOT-BC226367  Gilia latiflora subsp. elongata Ernest C. Twisselmann 1970-5-6 16491 Kern Mojave Desert, Red Rock Canyon. Upper part of the main canyon floor 784 Comment
  CAS-BOT-BC22708  Clarkia tembloriensis subsp. tembloriensis Ernest C. Twisselmann 1966-4-20 11981 Kern Cedar Canyon 670 Comment
  CAS-BOT-BC227399  Elymus elymoides Ernest C. Twisselmann 1965-5-18 10849 Kern Mojave Desert, the Mojave-Randsburg Region. Dunes at the northeast end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-BC230432  Navarretia mitracarpa Ernest C. Twisselmann 1965-7-4 11109 Kern Temblor Range and the Western San Joaquin Valley. Summit between Black Canyon and Messa [Mesa] Ridge 1097 Comment
  CAS-BOT-BC231557  Nicotiana glauca Ernest C. Twisselmann 1966-8-26 12752 Kern San Joaquin Valley, the Kern County East Side. Poso Creek at the mouth of Sand Canyon 213 Comment
  CAS-BOT-BC231574  Lycium cooperi Ernest C. Twisselmann 1963-5-11 8220 Kern Tehachapi Mountains. Highway U.S. 466, ca. 3 miles east of Cameron 1104 Comment
  CAS-BOT-BC232613  Polypogon monspeliensis Ernest C. Twisselmann 1972-9-22 19180 Kern Poso Creek 1 mile W of Glennville 914 Comment
  CAS-BOT-BC233276  Salvia mellifera Ernest C. Twisselmann 1954-4-15 1056 Kern 7 miles south of Blackwell's Corner, Ross Ridge, Temblor Range and the Western San Joaquin Valley 853 Comment
  CAS-BOT-BC234124  Elymus multisetus Ernest C. Twisselmann 1956-6-26 3012 Kern Clemons Spring, Cedar Canyon, Temblor Range and the Western San Joaquin Valley 723 Comment
  CAS-BOT-BC234651  Symphoricarpos mollis Ernest C. Twisselmann 1958-8-19 4726 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road, 0.4 mile east of Barrel Spring 1981 Comment
  CAS-BOT-BC235269  Sorghum bicolor Ernest C. Twisselmann 1963-8-30 8888 Kern Tehachapi-Kernville Region. Kern River Canyon, 1.5 mile above the mouth 457 Comment
  CAS-BOT-BC235327  Sorghum halepense Ernest C. Twisselmann 1962-11-14 7969 Kern San Joaquin Valley, the Kern County East Side. Panama Road, 2.5 miles west of Old River 120 Comment
  CAS-BOT-BC235329  Sorghum halepense Ernest C. Twisselmann 1959-8-7 5582 Kern Eastern San Joaquin Valley. Wasco district: Whistler Road 1.8 mile west of Poso Creek 91 Comment
  CAS-BOT-BC235418  Sporobolus airoides Ernest C. Twisselmann 1954-11-9 1657 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Plains: 8 miles north of Buena Vista Lake 91 Comment
  CAS-BOT-BC235420  Sporobolus airoides Ernest C. Twisselmann 1969-5-21 15390 Kern Mojave Desert, Red Rock Canyon. East fork of Red Rock Canyon 777 Comment
  CAS-BOT-BC235544  Keckiella breviflora Ernest C. Twisselmann 1962-7-18 7436 Kern Sierra Nevada, the Greenhorn Range. Glennville to Greenhorn Pass road, 0.25 mile east of the National Forest Boundary 1402 Comment
  CAS-BOT-BC236061  Poa secunda subsp. secunda Ernest C. Twisselmann 1968-3-14 14058 Kern San Joaquin Valley. Cole property on the Corcoran Road, ca. 7 miles N of Highway 46 106 Comment
  CAS-BOT-BC236082  Poa secunda subsp. secunda Ernest C. Twisselmann 1957-6-25 3795 Kern San Emigdio Range. Summit of Mount Pinos. Kern and Ventura Counties 2690 Comment
  CAS-BOT-BC236087  Poa secunda subsp. secunda Ernest C. Twisselmann 1961-6-22 6323 Kern San Emigdio Range and the Mount Pinos Region. NW slope of Mount Pinos 2651 Comment
  CAS-BOT-BC236088  Poa secunda subsp. secunda Ernest C. Twisselmann 1963-6-3 8334 Kern San Emigdio Range and the Mount Pinos Region. Black Bob Canyon, just above the mouth of Bradley Canyon 1356 Comment
  CAS-BOT-BC236089  Poa secunda subsp. secunda Ernest C. Twisselmann 1963-6-3 8334 Kern San Emigdio Range and the Mount Pinos Region. Black Bob Canyon, just above the mouth of Bradley Canyon 1356 Comment
  CAS-BOT-BC236096  Poa secunda subsp. secunda Ernest C. Twisselmann 1961-5-23 6197 Kern The Tehachapi Mountains. Tejon Ranch: Telephone Road dropping into Monroe Canyon 1158 Comment
  CAS-BOT-BC236120  Poa secunda subsp. secunda Ernest C. Twisselmann 1961-6-22 6323 Kern San Emigdio Range and the Mount Pinos Region. NW slope of Mount Pinos 2651 Comment
  CAS-BOT-BC236244  Poa secunda subsp. juncifolia Ernest C. Twisselmann 1962-9-20 7874 Kern Tehachapi-Kernville Region. Isabella alkali flats at Scovern Hot Springs 685 Comment
  CAS-BOT-BC236812  Keckiella breviflora Ernest C. Twisselmann 1956-7-17 3086 Kern Gerninger Grade, Piute Mountains, Tehachapi-Kernville Region 1600 Comment
  CAS-BOT-BC237487  Polypogon viridis Ernest C. Twisselmann 1954-5-25 1293 Kern Temblor Range and the Western San Joaquin Valley. McGovern Grade: 2.5 miles E of Annette 472 Comment
  CAS-BOT-BC237494  Polypogon viridis Ernest C. Twisselmann 1971-6-21 17799 Kern S Fork of Kern River, 0.5 mile below the Kernville Highway bridge 762 Comment
  CAS-BOT-BC238328  Keckiella ternata var. septentrionalis Ernest C. Twisselmann 1962-4-18 6968 Kern The Tehachapi Mountains. Tejon Ranch: Haberkern Ranch road, 0.5 mile south of Dry Field corral 1249 Comment
  CAS-BOT-BC239132  Penstemon incertus Ernest C. Twisselmann 1967-9-19 13721 Kern The Tehachapi-Kernville Region. Summit ridge of Scodie (Kiahvah [Kiavah]) Mountain 1950 Comment
  CAS-BOT-BC239138  Penstemon incertus Ernest C. Twisselmann 1957-5-10 3511 Kern Mohave [Mojave]-Randsburg Region. Dove Spring 1150 Comment
  CAS-BOT-BC239203  Penstemon newberryi var. berryi Ernest C. Twisselmann 1957-7-23 3867 Kern Sierra Nevada, the Greenhorn Range. Summit of Sunday Peak 2535 Comment
  CAS-BOT-BC239205  Penstemon newberryi var. berryi Ernest C. Twisselmann 1966-6-23 12386 Kern Sierra Nevada, the Greenhorn Range. Summit of Sunday Peak 2535 Comment
  CAS-BOT-BC239214  Penstemon newberryi var. berryi Ernest C. Twisselmann 1963-8-30 8919 Kern Tehachapi-Kernville Region. Lookout Point, Piute Mountains 2499 Comment
  CAS-BOT-BC239898  Schismus arabicus Ernest C. Twisselmann 1953-3-11 81 Kern Temblor Range and the Western San Joaquin Valley. Packwood Canyon, at the old gypsum mine Comment
  CAS-BOT-BC239920  Schismus arabicus Ernest C. Twisselmann 1954-3-13 881 Kern Temblor Range and the Western San Joaquin Valley. Antelope Plains: 6 miles southeast of Devil's Den 152 Comment
  CAS-BOT-BC240080  Secale cereale Ernest C. Twisselmann 1959-5-21 5258 Kern Sierra Nevada, the Greenhorn Range. Glennville: bridge across Poso Creek 960 Comment
  CAS-BOT-BC240127  Setaria pumila Ernest C. Twisselmann 1961-10-31 6693 Kern Mojave Desert, the Mojave-Randsburg Region. Antelope Valley: about 4.5 miles south-west of Rosamund [Rosamond] 662 Comment
  CAS-BOT-BC240128  Setaria pumila Ernest C. Twisselmann 1961-10-31 6693 Kern Mojave Desert, the Mojave-Randsburg Region. Antelope Valley: about 4.5 miles south-west of Rosamund [Rosamond] 662 Comment
  CAS-BOT-BC240185  Setaria verticillata Ernest C. Twisselmann 1959-7-4 5458 Kern Eastern San Joaquin Valley. Shafter District: Santa Fe Road just south of Kratzmeyer Road 114 Comment
  CAS-BOT-BC240224  Setaria viridis Ernest C. Twisselmann 1965-10-1 11623 Kern Sierra Nevada, the Greenhorn Range. Lumreau Creek, ca. 0.2 mile below the falls 838 Comment
  CAS-BOT-BC241073  Castilleja plagiotoma Ernest C. Twisselmann 1962-7-19 7451 Kern Tehachapi-Kernville Region. Lander's Meadow, Piute Mountains 1973 Comment
  CAS-BOT-BC241797  Eriogonum breedlovei var. breedlovei Ernest C. Twisselmann 1962-6-22 7338 Kern Tehachapi-Kernville Region. Crest of Piute Mountain, 0.6 mile north of Bodfish-Walker Basin road junction 2491 Comment
  CAS-BOT-BC241798  Eriogonum breedlovei var. breedlovei Ernest C. Twisselmann 1963-8-30 8908 Kern Tehachapi-Kernville Region. Crest of Piute Mountain, 4.8 miles south of Saddle Springs 2468 Comment
  CAS-BOT-BC243440  Schismus barbatus Ernest C. Twisselmann 1965-4-14 10542 Kern Foot of Rattlesnake Grade, Greenhorn Range, Sierra Nevada 396 Comment
  CAS-BOT-BC243573  Setaria parviflora Ernest C. Twisselmann 1961-10-5 6616 Kern Kern River at Hart Memorial Park, Eastern San Joaquin Valley 152 Comment
  CAS-BOT-BC244414  Poa annua Ernest C. Twisselmann 1955-5-12 1978 Kern Temblor Range and the Western San Joaquin Valley. Carneros Creek at Carneros Rocks 502 Comment
  CAS-BOT-BC244421  Poa annua Ernest C. Twisselmann 1963-5-11 8190 Kern Tehachapi-Kernville Region. Horse Canyon Well, Scodie [Kiavah] Mountain 1188 Comment
  CAS-BOT-BC244695  Chorizanthe spinosa Ernest C. Twisselmann 1965-5-18 10841 Kern Dunes at the northeast end of Buckhorn Lake, Edwards Air Force Base. The Mojave-Randsburg region 746 Comment
  CAS-BOT-BC244700  Chorizanthe spinosa Ernest C. Twisselmann 1965-5-18 10841 Kern Dunes at the northeast end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-BC247283  Poa pratensis Ernest C. Twisselmann 1954-5-5 1246 Kern Temblor Range and the Western San Joaquin Valley. Temblor Ranch: Western Kern County 579 Comment
  CAS-BOT-BC247782  Chorizanthe uniaristata Ernest C. Twisselmann 1965-7-27 11183 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road at the south fork of upper Lucas Creek 1874 Comment
  CAS-BOT-BC247787  Chorizanthe uniaristata Ernest C. Twisselmann 1963-6-25 8484 Kern Temblor Range and the Western San Joaquin Valley. Summit above Drake Ridge 998 Comment
  CAS-BOT-BC247789  Chorizanthe uniaristata Ernest C. Twisselmann 1971-7-5 17810 Kern Temblor Range and the Western San Joaquin Valley. Acousta Spring at the head of Devil's Water Canyon 871 Comment
  CAS-BOT-BC248026  Chorizanthe watsonii Ernest C. Twisselmann 1958-8-7 4561 Kern Tehachapi-Kernville Region. Tejon Ranch: meadow near the summit of the southwest end of Catskin Basin (Mojave drainage) 1828 Comment
  CAS-BOT-BC248153  Eriogonum angulosum Ernest C. Twisselmann 1955-7-7 2236 Kern Temblor Range and the Western San Joaquin Valley. Forks of Cedar Canyon, western Kern County 655 Comment
  CAS-BOT-BC248167  Eriogonum angulosum Ernest C. Twisselmann 1965-7-4 11112 Kern Temblor Range and the Western San Joaquin Valley. Chico Martinez Canyon 381 Comment
  CAS-BOT-BC248169  Eriogonum angulosum Ernest C. Twisselmann 1971-7-5 17813 Kern Temblor Range and the Western San Joaquin Valley. Hill west of Antelope Spring 868 Comment
  CAS-BOT-BC248170  Eriogonum angulosum Ernest C. Twisselmann 1965-7-4 11112 Kern Temblor Range and the Western San Joaquin Valley. Chico Martinez Canyon 381 Comment
  CAS-BOT-BC248181  Eriogonum angulosum Ernest C. Twisselmann 1953-9-7 751 Kern Temblor Range and the Western San Joaquin Valley. Road to McKittrick, 1/2 mile east of Temblor Oil Field, western Kern County 548 Comment
  CAS-BOT-BC248183  Eriogonum angulosum Ernest C. Twisselmann 1965-7-6 11169 Kern Tehachapi Mountains. Caliente Road 0.5 mile below Bealville 518 Comment
  CAS-BOT-BC250058  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1965-6-18 11018 Kern San Emigdio Range and the Mt. Pinos Region. Pleito Ridge, San Emigdio Range 1127 Comment
  CAS-BOT-BC250059  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1971-6-20 17771 Kern KR3 Power House, just above Kernville, Kern Canyon 1143 Comment
  CAS-BOT-BC250334  Eriogonum gossypinum Ernest C. Twisselmann 1965-5-27 10865 Kern San Joaquin Valley, the Kern County East Side. Bluffs across Kern River from Hart Memorial Park 129 Comment
  CAS-BOT-BC250358  Eriogonum gossypinum Ernest C. Twisselmann 1962-6-22 7286 Kern San Joaquin Valley, the Kern County East Side. Sand Ridge (on old Highway U.S. 466 east of Edison) 259 Comment
  CAS-BOT-BC250359  Eriogonum gossypinum Ernest C. Twisselmann 1954-9-26 1600 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Hills, 7.5 miles east of Taft (1 mile north of Richfield Lake Station) 152 Comment
  CAS-BOT-BC250687  Phalaris paradoxa Ernest C. Twisselmann 1965-5-2 10641 Kern Temblor Range and the Western San Joaquin Valley. Devils Den Highway in the hills north of Point of Rocks 243 Comment
  CAS-BOT-BC250892  Phleum pratense Ernest C. Twisselmann 1964-6-21 9681 Kern Tehachapi Mountains. Bear Valley 1280 Comment
  CAS-BOT-BC25284  Boechera repanda Ernest C. Twisselmann 1965-7-6 11133 Kern Tehachapi Mountains. North slope of Tehachapi Peak. 2103 Comment
  CAS-BOT-BC253007  Eriogonum reniforme Ernest C. Twisselmann 1958-5-6 4418 Kern Last Chance Canyon, white bluffs near the old sesomotite mine, El Paso Mountains, Mojave-Randsburg Region 914 Comment
  CAS-BOT-BC253251  Eriogonum fasciculatum var. foliolosum Ernest C. Twisselmann 1958-7-14 4547 Kern Bitterwater Road, 0.25 mile south of Carter's Corner, Temblor Range and the western San Joaquin Valley 594 Comment
  CAS-BOT-BC253369  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1957-8-13 3963 Kern Summit of Cottonwood Canyon, Tehachapi Mountains, Tehachapi-Kernville Region 1554 Comment
  CAS-BOT-BC253716  Panicum capillare Ernest C. Twisselmann 1972-9-22 19184 Kern Poso Creek 1 mile W of Glennville 914 Comment
  CAS-BOT-BC254201  Eriogonum baileyi var. baileyi Ernest C. Twisselmann 1967-9-19 13718 Kern Summit ridge of Scodie (Kiahvah) Mountain, Tehachapi-Kernville Region 1973 Comment
  CAS-BOT-BC254376  Oryza sativa Ernest C. Twisselmann 1964-9-29 10282 Kern San Joaquin Valley. The Kern National Wildlife Refuge. 76 Comment
  CAS-BOT-BC254722  Poa bolanderi Ernest C. Twisselmann 1966-6-23 12406 Kern The Greenhorn Range. Ridge 1 mile NW of Rhymes Toolbox 1920 Comment
  CAS-BOT-BC254727  Poa bolanderi Ernest C. Twisselmann 1963-7-9 8619 Kern The Greenhorn Range. Summit of Shirley Peak 2118 Comment
  CAS-BOT-BC254728  Poa bolanderi Ernest C. Twisselmann 1963-7-9 8619 Kern The Greenhorn Range. Summit of Shirley Peak 2118 Comment
  CAS-BOT-BC254729  Poa bolanderi Ernest C. Twisselmann 1963-6-27 8532 Kern The Greenhorn Range. Basket Pass 1859 Comment
  CAS-BOT-BC255323  Chorizanthe xanti var. xanti Ernest C. Twisselmann 1964-4-25 9225 Kern Rag Gulch at teh Woody-Delano Road, Greenhorn Range, Sierra Nevada 365 Comment
  CAS-BOT-BC255325  Chorizanthe xanti var. xanti Ernest C. Twisselmann 1964-5-26 9512 Kern Back Canyon, just below the cypress grove, Tehachapi-Kernville Region 1219 Comment
  CAS-BOT-BC255334  Chorizanthe xanti var. xanti Ernest C. Twisselmann 1965-6-24 11091 Kern Northeast slope of tributary of Pastoria Canyon, Tejon Ranch, Aqueduct Road, Tehachapi Mountains 1005 Comment
  CAS-BOT-BC255336  Chorizanthe xanti var. xanti Ernest C. Twisselmann 1965-6-18 11023 Kern Pleito Ridge, San Emigdio Range and the Mt. Pinos Region 1143 Comment
  CAS-BOT-BC255344  Chorizanthe xanti var. xanti Ernest C. Twisselmann 1957-5-24 3576 Kern Alta Sierra Road, 0.8 mile west of Lake Isabella, Greenhorn Range, Sierra Nevada 853 Comment
  CAS-BOT-BC256085  Eriogonum deflexum var. baratum Ernest C. Twisselmann 1967-9-19 13727 Kern Horse Canyon, Scodie Mountain, Tehachapi-Kernville Region 1813 Comment
  CAS-BOT-BC256209  Eriogonum covilleanum Ernest C. Twisselmann 1967-5-11 13020 Kern Cedar Canyon, 6 miles south of the Bitterwater Road, Temblor Range and the Wetern San Joaquin Valley 640 Comment
  CAS-BOT-BC256980  Chorizanthe membranacea Ernest C. Twisselmann 1964-5-15 9494 Kern Sierra Nevada, the Greenhorn Range. Grizzly Gulch at the White River-Rag Gulch road 487 Comment
  CAS-BOT-BC257455  Eriogonum inerme var. hispidulum Ernest C. Twisselmann 1963-7-9 8643 Kern The Sierra Nevada, the Greenhorn Range. Wofford Highway, 1.5 mile east of Greenhorn Pass 1722 Comment
  CAS-BOT-BC257550  Eriogonum inflatum Ernest C. Twisselmann 1969-5-21 15363 Kern The Mojave Desert, Red Rock Canyon. Slope at the head of Tarweed Creek 784 Comment
  CAS-BOT-BC258061  Eriogonum plumatella Ernest C. Twisselmann 1957-8-13 3970 Kern Tehachapi-Kernville Region. Tehachapi Mountains: Willow Spring Canyon 1097 Comment
  CAS-BOT-BC258216  Eriogonum pusillum Ernest C. Twisselmann 1962-5-7 7076 Kern The Mojave Desert, the Mojave-Randsburg Region. Rademacher Hills: summit of Highway 395 967 Comment
  CAS-BOT-BC258527  Eriogonum nudum var. westonii Ernest C. Twisselmann 1964-5-6 9311 Kern Mojave Desert, the Mojave-Randsburg Region. Jawbone Canyon at the aqueduct 762 Comment
  CAS-BOT-BC258528  Eriogonum nudum var. westonii Ernest C. Twisselmann 1964-5-6 9311 Kern Mojave Desert, the Mojave-Randsburg Region. Jawbone Canyon at the aqueduct 762 Comment
  CAS-BOT-BC258529  Eriogonum nudum var. westonii Ernest C. Twisselmann 1958-5-27 4533 Kern East slope of Morris Peak 1798 Comment
  CAS-BOT-BC258540  Eriogonum nudum var. westonii Ernest C. Twisselmann 1969-5-21 15364 Kern Mojave Desert, Red Rock [Redrock] Canyon. Cliff at the head of Tarweed Creek 792 Comment
  CAS-BOT-BC259126  Eriogonum kennedyi var. pinicola Ernest C. Twisselmann 1966-6-9 12367 Kern Tehachapi-Kernville Region. High ridge south of Pine Tree Canyon 1706 Comment
  CAS-BOT-BC259655  Paspalum dilatatum Ernest C. Twisselmann 1961-10-31 6694 Kern Mojave-Randsburg Region. Antelope Valley: about 4.5 miles SW of Rosamund 662 Comment
  CAS-BOT-BC260780  Chenopodium rubrum var. humile Ernest C. Twisselmann 1964-7-17 9744 Kern Tehachapi Mountains. Southeast end of Castaic Lake 1051 Comment
  CAS-BOT-BC261078  Eriogonum gracillimum Ernest C. Twisselmann 1954-8-21 1525 Kern U.S. 466, 5.4 miles east of Lost Hills, Temblor Range and the Western San Joaquin Valley 67 Comment
  CAS-BOT-BC261079  Eriogonum gracillimum Ernest C. Twisselmann 1954-7-20 1470 Kern Lokern Sink, 5 miles northwest of Buttonwillow, Temblor Range and the Western San Joaquin Valley 79 Comment
  CAS-BOT-BC261086  Eriogonum gracillimum Ernest C. Twisselmann 1963-4-12 8044 Kern Plain at the mouth of Tejon Canyon, San Joaquin Valley 243 Comment
  CAS-BOT-BC261092  Eriogonum gracillimum Ernest C. Twisselmann 1969-5-21 15370 Kern San flats north of Tarweed Creek, Mojave Desert 762 Comment
  CAS-BOT-BC261887  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1962-9-20 7883 Kern Sierra Nevada, the Greenhorn Range. Ridge just northeast of French Gulch, Lake Isabella 731 Comment
  CAS-BOT-BC261888  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1962-9-20 7883 Kern Sierra Nevada, the Greenhorn Range. Ridge just northeast of French Gulch, Lake Isabella 731 Comment
  CAS-BOT-BC261889  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1966-9-8 12757 Kern San Emigdio Range and the Mt. Pinos Region. Mt. Abel Road, 2.1 miles northwest of Valle Vista Public Camp 1508 Comment
  CAS-BOT-BC261894  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1958-10-1 4822 Kern Tehachapi-Kernville Region. Freeman Canyon, 3.8 miles east of Walker Pass 1402 Comment
  CAS-BOT-BC262621  Muhlenbergia asperifolia Ernest C. Twisselmann 1957-7-23 3877 Kern Kernville: vacant lots just west of the center of town 803 Comment
  CAS-BOT-BC262623  Muhlenbergia asperifolia Ernest C. Twisselmann 1964-9-16 10212 Kern Tehachapi-Kernville Region. Kelso Creek. 7.9 miles south of Weldon 1036 Comment
  CAS-BOT-BC262625  Muhlenbergia asperifolia Ernest C. Twisselmann 1959-7-4 5443 Kern Eastern San Joaquin Valley. Weedpatch District: Adobe Road 0.6 mile south of Bear Mountain Boulevard 121 Comment
  CAS-BOT-BC263093  Eriogonum maculatum Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-5-22 14216 Kern Mojave Desert, the Mojave-Randsburg Region. Dunes at the southeast end of Buckhorn Lake 746 Comment
  CAS-BOT-BC263414  Eriogonum temblorense Ernest C. Twisselmann 1967-5-26 13110 Kern Chico Martinez Canyon, Temblor Range and the Western San Joaquin Valley 426 Comment
  CAS-BOT-BC263421  Eriogonum temblorense Ernest C. Twisselmann 1955-4-14 1848 Kern Chico Martinez Canyon, Temblor Mountains, Temblor Range and the Western San Joaquin Valley 426 Comment
  CAS-BOT-BC263423  Eriogonum temblorense Ernest C. Twisselmann 1955-6-5 2085 Kern Chico Martinez Canyon, Temblor Mountains, Temblor Range and the Western San Joaquin Valley 426 Comment
  CAS-BOT-BC263641  Eriogonum trichopes Ernest C. Twisselmann 1969-5-21 15330 Kern Ridge east of the Freeway Bridge, Red Rock Canyon, Mojave Desert 762 Comment
  CAS-BOT-BC264976  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1966-6-9 12344 Kern Bird Bath Spring in a fork of Pine Tree Canyon, Tehachapi-Kernville Region 1158 Comment
  CAS-BOT-BC264987  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1958-10-1 4822 Kern Freeman Canyon, 3.8 miles east of Walker Pass, Tehachapi-Kernville Region 1402 Comment
  CAS-BOT-BC264988  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1964-9-16 10184 Kern Lookout Point, Piute Mountains, Tehachapi-Kernville Region 2522 Comment
  CAS-BOT-BC264989  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1963-8-30 8915 Kern Lookout Point, Piute Mountains, Tehachapi-Kernville Region 2499 Comment
  CAS-BOT-BC265612  Paspalum distichum Ernest C. Twisselmann 1959-7-4 5417 Kern Stine Canal, 0.75 mile west of Oak Street, Bakersfield, eastern San Joaquin Valley 121 Comment
  CAS-BOT-BC265617  Paspalum distichum Ernest C. Twisselmann 1963-9-6 8951 Kern Poso Creek near Famosa, San Joaquin Valley 114 Comment
  CAS-BOT-BC265618  Paspalum distichum Ernest C. Twisselmann 1962-11-14 7960 Kern Pieri Road, 1 mile west of Hill Road, Buena Vista Plains, San Joaquin Valley 64 Comment
  CAS-BOT-BC265619  Paspalum distichum Ernest C. Twisselmann 1962-11-14 7960 Kern Pieri Road, 1 mile west of Hill Road, Buena Vista Plains, San Joaquin Valley 64 Comment
  CAS-BOT-BC266599  Githopsis tenella Ernest C. Twisselmann 1965-6-23 11047 Kern Tehachapi Mountains. Foot of Purdy Ridge S of Purdy Canyon, Tejon Ranch 1828 Comment
  CAS-BOT-BC267147  Potamogeton foliosus Ernest C. Twisselmann 1965-10-1 11667 Kern The Greenhorn Range. Cedar Creek just below the mouth of Lumreau Creek 792 Comment
  CAS-BOT-BC268047  Eriogonum umbellatum var. furcosum Ernest C. Twisselmann 1961-7-27 6425 Kern Sierra Nevada, Greenhorn Range. Greenhorn Summit Road 0.3 mile north of Tiger Flat 1981 Comment
  CAS-BOT-BC268284  Eriogonum umbellatum var. nevadense Ernest C. Twisselmann 1956-7-17 3062 Kern Tehachapi-Kernville Region. Piute Mountains: Geringer Grade near the summit 2072 Comment
  CAS-BOT-BC268298  Eriogonum roseum Ernest C. Twisselmann 1953-9-4 742 Kern Temblor Range and the Western San Joaquin Valley. Messa [Mesa] Ridge, 2 miles west of Carneros Rocks 762 Comment
  CAS-BOT-BC268462  Eriogonum saxatile Ernest C. Twisselmann 1958-5-27 4521 Kern East slope of Morris Peak 1828 Comment
  CAS-BOT-BC268470  Eriogonum saxatile Ernest C. Twisselmann 1959-6-18 5396 Kern Tehachapi-Kernville Region. West slope of Breckenridge Mountain 1584 Comment
  CAS-BOT-BC268672  Eriogonum microthecum var. corymbosoides Ernest C. Twisselmann 1966-10-13 12893 Kern Tehachapi-Kernville Region. Divide between Kelso Valley and Jawbone Canyon 1463 Comment
  CAS-BOT-BC268764  Eriogonum mohavense Ernest C. Twisselmann 1969-5-21 15409 Kern Mojave Desert, Red Rock Canyon. Sand dunes on the east side of the first ridge east of the main canyon floor 792 Comment
  CAS-BOT-BC269080  Lolium perenne Ernest C. Twisselmann 1963-9-18 9040 Kern Kern River just above Kernville 807 Comment
  CAS-BOT-BC271823  Melica californica Ernest C. Twisselmann 1959-4-25 5123 Kern West slope of Blue Mountain on Woody Ranch Road, Greenhorn Range, Sierra Nevada 662 Comment
  CAS-BOT-BC271825  Melica californica Ernest C. Twisselmann 1954-5-1 1152 Kern Black Canyon Summit, Temblor Mountains, Temblor Range and the Western San Joaquin Valley 975 Comment
  CAS-BOT-BC272404  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1959-7-4 5460 Kern Lerdo Highway, 3.2 miles east of Spicer City Gin, Temblor Range and the Western San Joaquin Valley 129 Comment
  CAS-BOT-BC272406  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1954-8-11 1505 Kern Carmel Ranch, 5.9 miles southeast of Lost Hills, Temblor Range and the Western San Joaquin Valley 74 Comment
  CAS-BOT-BC272443  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1961-10-5 6591 Kern Levee at the north end of Lake Ming, Eastern San Joaquin Valley 198 Comment
  CAS-BOT-BC272445  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1959-8-7 5573 Kern Airport Road 2.5 miles east of Delano, Eastern San Joaquin Valley 121 Comment
  CAS-BOT-BC272614  Eriogonum spergulinum var. reddingianum Ernest C. Twisselmann 1971-7-15 17903 Kern Sierra Nevada, Kern Plateau. South fork of the head of Bartolas Creek 1981 Comment
  CAS-BOT-BC272616  Eriogonum spergulinum var. reddingianum Ernest C. Twisselmann 1965-7-28 11336 Kern Sierra Nevada, Kern Plateau. Fork of Cannell Creek southeast of Pine Flat 2286 Comment
  CAS-BOT-BC272977  Ambrosia salsola Ernest C. Twisselmann 1969-5-21 15332 Kern Mojave Desert, Red Rock Canyon. Ridge east of the Freeway bridge 777 Comment
  CAS-BOT-BC272978  Ambrosia salsola Ernest C. Twisselmann 1969-5-21 15332 Kern Mojave Desert, Red Rock Canyon. Ridge east of the Freeway bridge 777 Comment
  CAS-BOT-BC272984  Ambrosia salsola Ernest C. Twisselmann 1956-3-26 2588 Kern Temblor Range and the Western San Joaquin Valley. Sunset Hills 4 miles southwest of Taft 304 Comment
  CAS-BOT-BC272986  Ambrosia salsola Ernest C. Twisselmann 1955-3-15 1718 Kern Temblor Range and the Western San Joaquin Valley. Elk Hills, near Dustin Station 121 Comment
  CAS-BOT-BC273512  Hordeum vulgare Ernest C. Twisselmann 1965-3-17 10443 Kern San Joaquin Valley, Kern National Wildlife Refuge 68 Comment
  CAS-BOT-BC273664  Koeleria pyramidata Ernest C. Twisselmann 1961-6-22 6277 Kern San Emigdio Range and the Mt. Pinos Region. Head of Cuddy Valley 1920 Comment
  CAS-BOT-BC273969  Leptochloa fusca subsp. fascicularis Ernest C. Twisselmann 1972-9-23 19263 Kern Bed of Lake Isabella below mouth of Tillie Creek 762 Comment
  CAS-BOT-BC273981  Leptochloa fusca subsp. fascicularis Ernest C. Twisselmann 1954-9-26 1596 Kern Temblor Range and the Western San Joaquin Valley. Jerry Slough: 2 miles north of Goose Lake 70 Comment
  CAS-BOT-BC274152  Pappostipa speciosa Ernest C. Twisselmann 1959-4-16 5049 Kern Mohave-Randsburg Region. El Paso Mountains: Last Chance Canyon 944 Comment
  CAS-BOT-BC274159  Pappostipa speciosa Ernest C. Twisselmann 1962-5-7 7069 Kern Mojave Desert, the Mojave-Randsburg Region. Code Siding, about 9 miles southwest of Ridgecrest 853 Comment
  CAS-BOT-BC274163  Pappostipa speciosa Ernest C. Twisselmann 1966-6-9 12370 Kern Tehachapi-Kernville Region. Noonday Rest (divide between Horse & Pine Tree Canyons) 1524 Comment
  CAS-BOT-BC274237  Rostraria cristata Ernest C. Twisselmann 1965-7-4 11113 Kern Temblor Range and the Western San Joaquin Valley. Plains 0.5 mile north of Carneros Creek 365 Comment
  CAS-BOT-BC274238  Rostraria cristata Ernest C. Twisselmann 1953-5-2 79 Kern Temblor Range and the Western San Joaquin Valley. McNaughton Place, head of Santos Canyon 731 Comment
  CAS-BOT-BC274239  Rostraria cristata Ernest C. Twisselmann 1966-4-6 11774 Kern Sierra Nevada, Greenhorn Range. Gordon Gulch (in the low hills northwest of Woody) 388 Comment
  CAS-BOT-BC274248  Rostraria cristata Ernest C. Twisselmann 1958-4-12 4221 Kern Eastern San Joaquin Valley. Porterville Highway at Poso Creek 182 Comment
  CAS-BOT-BC274379  Leptochloa viscida Ernest C. Twisselmann 1958-9-3 4765 Kern Eastern San Joaquin Valley. Kern Lake Ranch Road, 4.6 miles west of U.S. 99 114 Comment
  CAS-BOT-BC274453  Leymus triticoides Ernest C. Twisselmann 1956-6-8 2921 Kern Temblor Range and the Western San Joaquin Valley. Buttonwillow Road, .5 mile south of Spicer City Cotton Gin 82 Comment
  CAS-BOT-BC274455  Leymus triticoides Ernest C. Twisselmann 1954-5-25 1294 Kern Temblor Range and the Western San Joaquin Valley. McGovern Grade: 1 1/2 miles east of Annette 548 Comment
  CAS-BOT-BC274944  Muhlenbergia rigens Ernest C. Twisselmann 1958-9-30 4818 Kern The Greenhorn Range. Greenhorn Pass Road, 0.5 mile E of Glennville 1127 Comment
  CAS-BOT-BC275077  Muhlenbergia richardsonis Ernest C. Twisselmann 1961-6-22 6298 Kern San Emigdio Range and the Mount Pinos Region. Cuddy Valley, 2.6 miles W of Cuddy Valley Store 1658 Comment
  CAS-BOT-BC275078  Muhlenbergia richardsonis Ernest C. Twisselmann 1962-7-19 7453 Kern Tehachapi - Kernville Region. Lander's Meadow, Piute Mountains 1973 Comment
  CAS-BOT-BC275079  Muhlenbergia richardsonis Ernest C. Twisselmann 1962-7-19 7453 Kern Tehachapi - Kernville Region. Lander's Meadow, Piute Mountains 1973 Comment
  CAS-BOT-BC275430  Calycadenia spicata Ernest C. Twisselmann 1962-8-27 7715 Kern The Greenhorn Range. High hill above the head of Lumreau Creek 1402 Comment
  CAS-BOT-BC276364  Chaenactis carphoclinia Ernest C. Twisselmann 1966-4-13 11842 Kern Mojave-Randsburg Region. Plains E of Ridgecrest, along County Line Road 719 Comment
  CAS-BOT-BC276606  Chaenactis douglasii var. douglasii Ernest C. Twisselmann 1962-7-19 7467 Kern Tehachapi - Kernville Region. Lookout Point, Piute Mountains 2514 Comment
  CAS-BOT-BC276883  Chaenactis fremontii Ernest C. Twisselmann 1957-5-10 3535 Kern E fork of Red Rock Canyon 723 Comment
  CAS-BOT-BC277282  Chaenactis glabriuscula var. glabriuscula Ernest C. Twisselmann 1969-4-19 15144 Kern San Joaquin Valley, the Kern County East Side. Comanche Hills, just above Tejon Creek about 1 mile above its mouth 335 Comment
  CAS-BOT-BC277288  Chaenactis glabriuscula var. glabriuscula Ernest C. Twisselmann 1958-3-22 4184 Kern Eastern San Joaquin Valley. Ridge on the north side of the mouth of Caliente Canyon 289 Comment
  CAS-BOT-BC277682  Chaenactis macrantha Ernest C. Twisselmann 1966-4-13 11837 Kern Mojave Desert, Mojave-Randsburg Region. Plains east of Ridgecrest, along County Line Road 719 Comment
  CAS-BOT-BC277730  Almutaster pauciflorus Ernest C. Twisselmann 1962-9-20 7873 Kern Tehachapi-Kernville Region. Isabella alkali flats at Scovern Hot Springs 685 Comment
  CAS-BOT-BC277812  Chaenactis santolinoides Ernest C. Twisselmann 1956-6-14 2949 Kern San Emigdio Range. Northeast slope of Mt. Pinos 2468 Comment
  CAS-BOT-BC278232  Schedonorus arundinaceus Ernest C. Twisselmann 1963-6-11 8428 Kern Tehachapi-Kernville Region. Erskine Canyon, Piute Mountains 1188 Comment
  CAS-BOT-BC278237  Schedonorus arundinaceus Ernest C. Twisselmann 1955-4-19 1870 Kern Temblor Range and the Western San Joaquin Valley. Jerry Slough plain, 11 miles west of Shafter 83 Comment
  CAS-BOT-BC278238  Schedonorus arundinaceus Ernest C. Twisselmann 1955-4-19 1870 Kern Temblor Range and the Western San Joaquin Valley. Jerry Slough plain, 11 miles west of Shafter 83 Comment
  CAS-BOT-BC278239  Schedonorus arundinaceus Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-5-22 14211 Kern San Emigdio Range and the Mt. Pinos Region. Grave of Peter Lebec, Fort Tejon 1021 Comment
  CAS-BOT-BC278976  Festuca rubra Ernest C. Twisselmann 1956-4-22 2726 Kern Temblor Range and the Western San Joaquin Valley. Temblor Ranch, western Kern County 579 Comment
  CAS-BOT-BC278982  Festuca rubra Ernest C. Twisselmann 1962-7-19 7496 Kern Tehachapi-Kernville Region. Grouse Meadow, Piute Mountains 2186 Comment
  CAS-BOT-BC280742  Holcus lanatus Ernest C. Twisselmann 1965-7-29 11371 Kern Kern River at the upper town limits of Kernville 815 Comment
  CAS-BOT-BC280747  Holcus lanatus Ernest C. Twisselmann 1972-9-22 19209 Kern Poso Creek 1 mile west of Glennville 914 Comment
  CAS-BOT-BC281457  Melica imperfecta Ernest C. Twisselmann 1966-5-20 12263 Kern Tehachapi - Kernville Region. High ridge about 4 miles N of Tehachapi 1737 Comment
  CAS-BOT-BC281458  Melica imperfecta Ernest C. Twisselmann 1966-5-20 12263 Kern Tehachapi - Kernville Region. High ridge about 4 miles N of Tehachapi 1737 Comment
  CAS-BOT-BC281459  Melica imperfecta Ernest C. Twisselmann 1965-6-24 11085 Kern Tehachapi Mountains. Telephone Rd N of Rising Canyon, Tejon Ranch 1034 Comment
  CAS-BOT-BC281463  Melica imperfecta Ernest C. Twisselmann 1965-5-6 430 Kern The Greenhorn Range. Hills between Lumreau Creek and Cedar Creek 914 Comment
  CAS-BOT-BC281474  Melica imperfecta Ernest C. Twisselmann 1963-6-11 8412 Kern Tehachapi - Kernville Region. Kern Canyon at the mouth of Cow Flat Creek 518 Comment
  CAS-BOT-BC283077  Schedonorus arundinaceus Ernest C. Twisselmann 1958-5-27 4494 Kern Settlement of Weldon, Tehachapi-Kernville Region 808 Comment
  CAS-BOT-BC283078  Schedonorus arundinaceus Ernest C. Twisselmann 1962-6-1 7265 Kern Northwest end of Cummings Valley, Tehachapi-Kernville Region 1127 Comment
  CAS-BOT-BC283079  Schedonorus arundinaceus Ernest C. Twisselmann 1963-9-18 9021 Kern Marshy flats on the northeast side of Lake Isabella, South Fork Valley, Sierra Nevada 807 Comment
  CAS-BOT-BC283360  Calycoseris parryi Ernest C. Twisselmann 1964-5-7 9385 Kern Mojave Desert. Mojave-Randsburg Region. S shore of Rogers Lake, Edwards Air Force Base 609 Comment
  CAS-BOT-BC283735  Leymus condensatus Ernest C. Twisselmann 1955-8-10 2303 Kern San Emigdio Range. E fork of upper San Emigdio Creek 1426 Comment
  CAS-BOT-BC283766  Leymus cinereus Ernest C. Twisselmann 1963-5-10 8158 Kern Mojave-Randsburg Region. N end of Rosamond Lake 640 Comment
  CAS-BOT-BC284102  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1963-9-6 8959 Kern Lake Woollomes, near Delano, San Joaquin Valley 114 Comment
  CAS-BOT-BC284107  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1957-8-13 3967 Kern Rosamund Elementary School Grounds, Mohave-Randsburg Region 710 Comment
  CAS-BOT-BC284108  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1957-8-13 3967 Kern Rosamund Elementary School Grounds, Mohave-Randsburg Region 710 Comment
  CAS-BOT-BC284109  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1959-7-8 5541 Kern Kernville, street along the east bank of Kern River, Sierra Nevada 803 Comment
  CAS-BOT-BC284110  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1959-7-8 5541 Kern Kernville, street along the east bank of Kern River, Sierra Nevada 803 Comment
  CAS-BOT-BC284250  Chaenactis glabriuscula var. megacephala Ernest C. Twisselmann 1963-4-26 8107 Kern High point north of Poso Creek Gorge, Greenhorn Range, Sierra Nevada 838 Comment
  CAS-BOT-BC284264  Chaenactis glabriuscula var. megacephala Ernest C. Twisselmann 1956-3-26 2592 Kern Spellacy Hill, 2.1 miles south of Taft, Temblor Range and the Western San Joaquin Valley 457 Comment
  CAS-BOT-BC284331  Chaenactis stevioides Ernest C. Twisselmann 1958-4-17 4333 Kern North slope of Soledad Mountain, Mohave Desert, Mohave-Randsburg Region 1005 Comment
  CAS-BOT-BC284333  Chaenactis stevioides Ernest C. Twisselmann 1962-4-10 6817 Kern Nine Mile Hill, U.S. 466, 7 miles east of Mojave, Mojave Desert, Mojave-Randsburg Region 762 Comment
  CAS-BOT-BC284592  Hordeum brachyantherum subsp. brachyantherum Ernest C. Twisselmann 1963-7-11 8745 Kern Cannell Creek, 1.5 mile east of River Kern 1036 Comment
  CAS-BOT-BC284797  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1959-3-24 4984 Kern Temblor Range and the Western San Joaquin Valley. Mize Camp, at the mouth of Agua Media Canyon 320 Comment
  CAS-BOT-BC284798  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1962-4-10 6864 Kern Mojave Desert, Mojave-Randsburg Region. Plain northeast of Soledad Mountain 762 Comment
  CAS-BOT-BC284799  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1962-4-10 6864 Kern Mojave Desert, Mojave-Randsburg Region. Plain northeast of Soledad Mountain 762 Comment
  CAS-BOT-BC284822  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1959-5-21 5225 Kern Sierra Nevada, Greenhorn Range. West slope of Bohna Peak 1722 Comment
  CAS-BOT-BC284983  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1955-4-2 1778 Kern Temblor Range and the Western San Joaquin Valley. Plains 11.9 miles north of Lost Hills 91 Comment
  CAS-BOT-BC284985  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1965-3-17 10456 Kern San Joaquin Valley, Kern National Wildlife Refuge 68 Comment
  CAS-BOT-BC285026  Hordeum depressum Ernest C. Twisselmann 1955-4-2 1778 Kern Temblor Range and the Western San Joaquin Valley. Plains 11.9 miles north of Lost Hills 91 Comment
  CAS-BOT-BC285393  Cirsium occidentale var. californicum Ernest C. Twisselmann 1966-6-9 12345 Kern Tehachapi Mountains. Ridge northeast of Cache Peak 1615 Comment
  CAS-BOT-BC285395  Cirsium occidentale var. californicum Ernest C. Twisselmann 1957-4-30 3436 Kern Tehachapi-Kernville Region. Bodfish Creek 822 Comment
  CAS-BOT-BC285778  Cirsium vulgare Ernest C. Twisselmann 1957-8-13 4007 Kern Tehachapi-Kernville Region. Tehachapi Mountains: west end of Cummings Valley 1097 Comment
  CAS-BOT-BC285786  Cirsium vulgare Ernest C. Twisselmann 1957-8-13 4007 Kern Tehachapi-Kernville Region. Tehachapi Mountains: west end of Cummings Valley 1097 Comment
  CAS-BOT-BC28605  Achillea millefolium Ernest C. Twisselmann 1954-5-20 1277 Kern Buena Vista Slough at Shafter Highway Bridge 76 Comment
  CAS-BOT-BC286098  Conyza canadensis Ernest C. Twisselmann 1961-8-21 6483 Kern Borel Intake, Kern River east of Wofford Heights 762 Comment
  CAS-BOT-BC286099  Conyza canadensis Ernest C. Twisselmann 1963-9-17 9002 Kern Sierra Nevada, Greenhorn Range. Slope south of Cow Creek 1889 Comment
  CAS-BOT-BC28613  Achillea millefolium Ernest C. Twisselmann 1964-7-17 9728 Kern Tehachapi Mountains: south side of Castaic Lake. 1051 Comment
  CAS-BOT-BC28617  Achillea millefolium Ernest C. Twisselmann 1964-9-16 10189 Kern French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC28619  Achillea millefolium Ernest C. Twisselmann 1965-7-27 11249 Kern Meadow at Breckenridge Public Camp. 2065 Comment
  CAS-BOT-BC286297  Cirsium scariosum var. citrinum Ernest C. Twisselmann 1963-8-8 8833 Kern Tehachapi Mountains. Cienegas near the head of Tejon Creek 1615 Comment
  CAS-BOT-BC286298  Cirsium scariosum Ernest C. Twisselmann 1964-6-21 9679 Kern Tehachapi Mountains. Bear Valley 1280 Comment
  CAS-BOT-BC286299  Cirsium scariosum Ernest C. Twisselmann 1964-6-21 9679 Kern Tehachapi Mountains. Bear Valley 1280 Comment
  CAS-BOT-BC286300  Cirsium scariosum Ernest C. Twisselmann 1966-7-13 12575 Kern San Emigdio Range and the Mt. Pinos Region. Mil Potreros 1577 Comment
  CAS-BOT-BC286733  Ericameria cuneata var. cuneata Ernest C. Twisselmann 1964-9-16 10188 Kern Tehachapi-Kernville Region. Lookout Point, Piute Mountains 2529 Comment
  CAS-BOT-BC286735  Ericameria cuneata var. cuneata Ernest C. Twisselmann 1964-5-15 9423 Kern Sierra Nevada, Greenhorn Range. Summit of Blue Mountain 1508 Comment
  CAS-BOT-BC286750  Ericameria cuneata var. cuneata Ernest C. Twisselmann 1956-9-20 3178 Kern Tehachapi-Kernville Region. Breckenridge Mountain road 2 miles west of the Havilah road 1371 Comment
  CAS-BOT-BC28751  Achillea millefolium Ernest C. Twisselmann 1964-7-17 9728 Kern Tehachapi Mountains, south side of Castaic Lake 1051 Comment
  CAS-BOT-BC28753  Achillea millefolium Ernest C. Twisselmann 1964-6-21 9637 Kern Tehachapi Mountains. Summit of the east flank of Bear Mountain 1950 Comment
  CAS-BOT-BC287701  Coreopsis bigelovii Ernest C. Twisselmann 1958-4-17 4341 Kern Mojave - Randsburg Region. Along Silver Queen Rd, NE of Soledad Mt 853 Comment
  CAS-BOT-BC289566  Hordeum marinum subsp. gussoneanum Ernest C. Twisselmann 1966-5-12 12212 Kern Kern Hot Springs, Sierra Nevada 807 Comment
  CAS-BOT-BC289571  Hordeum marinum subsp. gussoneanum Ernest C. Twisselmann 1962-6-1 7264 Kern Northwest end of Cummings Valley, Tehachapi-Kernville Region 1127 Comment
  CAS-BOT-BC291078  Eastwoodia elegans Ernest C. Twisselmann 1954-5-5 1175 Kern Temblor Range and the Western San Joaquin Valley. Temblor Ranch: Sulfur Spring Ridge 822 Comment
  CAS-BOT-BC291144  Eclipta prostrata Ernest C. Twisselmann 1963-9-6 8969 Kern Eastern San Joaquin Valley. Poso Creek, 6.5 miles northwest of Famosa 91 Comment
  CAS-BOT-BC291934  Deinandra pallida Ernest C. Twisselmann 1963-4-12 8030 Kern San Joaquin Valley, the Kern County East Side. Mesa on the south side of the mouth of Tejon Creek 220 Comment
  CAS-BOT-BC291952  Deinandra pallida Ernest C. Twisselmann 1962-6-16 7284 Kern Temblor Range and the Western San Joaquin Valley. Antelope Plains at the mouth of Bitterwater Valley 320 Comment
  CAS-BOT-BC291965  Deinandra pallida Ernest C. Twisselmann 1954-5-1 1153 Kern Temblor Range and the Western San Joaquin Valley. Bill Little Canyon: 1 mile west of Carneros Rocks 548 Comment
  CAS-BOT-BC291994  Hemizonia pallida Ernest C. Twisselmann 1954-6-12 1355 Kern Temblor Range and the Western San Joaquin Valley. Southern Temblor Mountains: Canyon 2.6 miles south of Crocker Grade 670 Comment
  CAS-BOT-BC292177  Dicoria canescens Ernest C. Twisselmann 1969-10-16 16299 Kern Mojave Desert, Red Rock Canyon. Flat east of the Freeway 762 Comment
  CAS-BOT-BC29267  Acroptilon repens E. C. Twisselmann 1954-6-27 1407 Kern Belridge, roadside, 0.25 mile S of Belridge Store 152 Comment
  CAS-BOT-BC293043  Ericameria parryi var. vulcanica Ernest C. Twisselmann 1966-10-28 12896 Kern Sierra Nevada, Kern Plateau. Pine Flat 2164 Comment
  CAS-BOT-BC293331  Ericameria teretifolia Ernest C. Twisselmann 1955-10-21 2483 Kern Tehachapi-Kernville Region. Kelso Valley Road, 1.8 miles west of Butterbread Spring 1463 Comment
  CAS-BOT-BC295531  Erigeron multiceps Ernest C. Twisselmann 1971-4-25 17576 Kern Roadside .2 mile above the KR3 Power House, just above Kernville 822 Comment
  CAS-BOT-BC295642  Agnorhiza ovata Ernest C. Twisselmann 1963-7-10 8667 Kern Sierra Nevada, Kern Plateau. Rim of the Kern Plateau southwest of Pine Flat 2225 Comment
  CAS-BOT-BC296153  Erigeron foliosus var. foliosus Ernest C. Twisselmann 1958-8-7 4563 Kern Tejon Ranch, Catskin Basin (Mojave drainage), Tehachapi-Kernville Region 1767 Comment
  CAS-BOT-BC29632  Agoseris grandiflora var. grandiflora Ernest C. Twisselmann 1964-6-21 9682 Kern Tehachapi Mountains: Bear Valley 1280 Comment
  CAS-BOT-BC297063  Erigeron breweri var. breweri Ernest C. Twisselmann 1962-7-19 7447 Kern Lander's Meadow, Piute Mountains, Tehachapi-Kernville Region 1973 Comment
  CAS-BOT-BC297856  Eriophyllum confertiflorum Ernest C. Twisselmann 1971-4-26 17604 Kern Kern Canyon: highway just above KR3 Power House 822 Comment
  CAS-BOT-BC297884  Eriophyllum confertiflorum Ernest C. Twisselmann 1963-6-4 8374 Kern Temblor Range and the Western San Joaquin Valley. Ross Ridge 762 Comment
  CAS-BOT-BC298020  Ericameria nauseosa var. mohavensis Ernest C. Twisselmann 1961-10-30 6671 Kern Tehachapi - Kernville Region. Cache Creek, Sand Canyon 1249 Comment
  CAS-BOT-BC298159  Ericameria nauseosa Ernest C. Twisselmann 1957-8-13 4002 Kern Tehachapi - Kernville Region. Tehachapi Mts: summit of Cottonwood Canyon, 0.5 mile E of White Oak Lodge 1432 Comment
  CAS-BOT-BC298161  Ericameria nauseosa var. oreophila Ernest C. Twisselmann 1958-10-1 4825 Kern Tehachapi - Kernville Region. Summit of Walker Pass 1600 Comment
  CAS-BOT-BC298372  Eriophyllum ambiguum var. ambiguum Ernest C. Twisselmann 1958-3-22 4180 Kern Eastern San Joaquin Valley. Ridge on the N side of the mouth of Caliente Canyon 289 Comment
  CAS-BOT-BC298384  Eriophyllum ambiguum var. ambiguum Ernest C. Twisselmann 1966-5-20 12286 Kern Tehachapi - Kernville Region. Tollgate Ridge (mts E of Keene) 1783 Comment
  CAS-BOT-BC298451  Eriophyllum ambiguum var. paleaceum Ernest C. Twisselmann 1962-5-7 7063 Kern Mojave - Randsburg Region. Rademacher Hills: summit of Highway 395 967 Comment
  CAS-BOT-BC29899  Achyrachaena mollis Ernest C. Twisselmann 1962-6-1 7257 Kern Tehachapi Mountains. Highline Road at the Southwest end of Tehachapi Valley 1295 Comment
  CAS-BOT-BC299130  Ericameria nauseosa var. mohavensis Ernest C. Twisselmann 1967-9-19 14042 Kern Summit ridge of Scodie (Kiahvah) Mt 1950 Comment
  CAS-BOT-BC301859  Eriophyllum pringlei Ernest C. Twisselmann 1965-5-5 10673 Kern Mojave Desert, Mojave-Randsburg Region. Slope above the northwest end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-BC301863  Eriophyllum pringlei Ernest C. Twisselmann 1962-5-7 7078 Kern Mojave Desert, Mojave-Randsburg Region. Rademacher Hills: summit of Highway 395 967 Comment
  CAS-BOT-BC302057  Eriophyllum wallacei Ernest C. Twisselmann 1965-5-5 10669 Kern Mojave Desert, Mojave-Randsburg Region. Slope above the northwest end of Buckhorn Lake, Edwards Air Force Base 754 Comment
  CAS-BOT-BC302058  Eriophyllum wallacei Ernest C. Twisselmann 1965-5-5 10669 Kern Mojave Desert, Mojave-Randsburg Region. Slope above the northwest end of Buckhorn Lake, Edwards Air Force Base 754 Comment
  CAS-BOT-BC302059  Eriophyllum wallacei Ernest C. Twisselmann 1959-4-16 5059 Kern Mohave-Randsburg Region. Fremont Valley: sand dunes at the south end of Koehn Lake 579 Comment
  CAS-BOT-BC302063  Eriophyllum wallacei Ernest C. Twisselmann 1969-5-21 15342 Kern Mojave Desert, Red Rock Canyon. Flat above Tarweed Creek 762 Comment
  CAS-BOT-BC302065  Eriophyllum wallacei Ernest C. Twisselmann 1969-5-21 15373 Kern Mojave Desert, Red Rock Canyon. Sand flats north of Tarweed Creek 762 Comment
  CAS-BOT-BC302555  Gnaphalium palustre Ernest C. Twisselmann 1956-9-20 3202 Kern Tehachapi-Kernville Region. Piute Mountains: Brown Meadow 2301 Comment
  CAS-BOT-BC302562  Gnaphalium palustre Ernest C. Twisselmann 1962-4-19 6997 Kern San Joaquin Valley, the Kern County East Side. Delano Road, 14.7 miles west of Woody 274 Comment
  CAS-BOT-BC302568  Gnaphalium palustre Ernest C. Twisselmann 1972-9-23 19266 Kern Bed of Lake Isabella below mouth of Tillie Creek 762 Comment
  CAS-BOT-BC304617  Gutierrezia californica Ernest C. Twisselmann 1954-7-20 1450 Kern Temblor Range and the Western San Joaquin Valley. Bacon Hills, 7.8 miles northwest of South Belridge 335 Comment
  CAS-BOT-BC304620  Gutierrezia californica Ernest C. Twisselmann 1957-11-7 4119 A Kern Temblor Range and the Western San Joaquin Valley. Sunset Hills, about 6 miles northwest of Maricopa 320 Comment
  CAS-BOT-BC306631  Helenium bigelovii Ernest C. Twisselmann 1963-8-8 8835 Kern Tehachapi Mountains. Cienegas near the head of Tejon Creek 1615 Comment
  CAS-BOT-BC307502  Hazardia whitneyi var. whitneyi Ernest C. Twisselmann 1963-8-30 8899 Kern North end of Piute Mountain, 7.7 miles above Bodfish Gap, Tehachapi-Kernville Region 1943 Comment
  CAS-BOT-BC308300  Eriophyllum lanatum var. obovatum Ernest C. Twisselmann 1957-7-23 3832 Kern Portugese Pass Road, 3.0 miles north of Greenhorn Pass, Greenhorn Range, Sierra Nevada 1895 Comment
  CAS-BOT-BC308483  Gutierrezia microcephala Ernest C. Twisselmann 1958-11-1 4928 Kern Red Rock Canyon flood plain above Koehn Lake, Mojave-Randsburg Region 662 Comment
  CAS-BOT-BC308485  Gutierrezia microcephala Ernest C. Twisselmann 1958-10-1 4867 Kern Freeman Creek, 1.1 mile north of Inyokern, Mojave-Randsburg Region 743 Comment
  CAS-BOT-BC30936  Acamptopappus sphaerocephalus var. hirtellus E. C. Twisselmann 1958-5-6 4443 Kern El Paso Mountains: Last Chance Canyon 737 Comment
  CAS-BOT-BC30941  Acamptopappus sphaerocephalus var. hirtellus E. C. Twisselmann 1969-5-21 15345 Kern Slope at the head of Tarweed Creek. 777 Comment
  CAS-BOT-BC309421  Helenium puberulum Ernest C. Twisselmann 1964-7-17 9763 Kern Tehachapi Mountains. Cienega below Fort Tejon 944 Comment
  CAS-BOT-BC310084  Hemizonella minima Ernest C. Twisselmann 1959-5-21 5254 Kern Sierra Nevada, Greenhorn Range. McFarland Creek on the west slope of Bohna Peak 1737 Comment
  CAS-BOT-BC310086  Hemizonella minima Ernest C. Twisselmann 1964-6-10 9556 Kern San Emigdio Range and the Mt. Pinos Region. Tecuya Ridge 1950 Comment
  CAS-BOT-BC310692  Euthamia occidentalis Ernest C. Twisselmann 1962-11-14 8007 Kern San Emigdio Range and the Mt. Pinos Region. Fort Tejon 975 Comment
  CAS-BOT-BC310697  Euthamia occidentalis Ernest C. Twisselmann 1958-9-3 4758 Kern Eastern San Joaquin Valley. Kern River: 2.2 miles west of Stockdale Country Club 114 Comment
  CAS-BOT-BC310698  Euthamia occidentalis Ernest C. Twisselmann 1958-9-3 4758 Kern Eastern San Joaquin Valley. Kern River: 2.2 miles west of Stockdale Country Club 114 Comment
  CAS-BOT-BC310882  Heterotheca shevockii Ernest C. Twisselmann 1958-8-19 4687 Kern Tehachapi-Kernville Region. Kern River Canyon: 1 mile east of Richbar 396 Comment
  CAS-BOT-BC311238  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1966-9-8 12779 Kern San Emigdio Range and the Mt. Pinos Region. Cuddy Valley 1645 Comment
  CAS-BOT-BC311242  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1964-9-16 10213 Kern Tehachapi-Kernville Region. Mouth of Kelso Canyon, 3.7 miles southeast of Weldon 975 Comment
  CAS-BOT-BC311247  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1965-9-25 11617 Kern Temblor Range and the Western San Joaquin Valley. Bitterwater Road, 0.25 mile northwest of the Choice Valley School 609 Comment
  CAS-BOT-BC311248  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1960-8-12 5983 Kern Temblor Range and the Western San Joaquin Valley. Choice Valley, 0.5 mile north of the Choice Valley School 605 Comment
  CAS-BOT-BC311249  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1960-8-12 5983 Kern Temblor Range and the Western San Joaquin Valley. Choice Valley, 0.5 mile north of the Choice Valley School 605 Comment
  CAS-BOT-BC311571  Isocoma acradenia var. bracteosa Ernest C. Twisselmann 1954-10-24 1640 Kern Temblor Range and the Western San Joaquin Valley. Semitropic Ridge, 3 miles south of Semitropic Ridge 91 Comment
  CAS-BOT-BC311573  Isocoma acradenia var. bracteosa Ernest C. Twisselmann 1953-11-1 810 Kern Temblor Range and the Western San Joaquin Valley. Temblor Ranch: Fence behind old house 586 Comment
  CAS-BOT-BC312065  Eucephalus breweri Ernest C. Twisselmann 1958-8-13 4643 Kern North slope of Sunday Peak, Greenhorn Range, Sierra Nevada 2468 Comment
  CAS-BOT-BC31269  Carex lenticularis var. impressa Ernest C. Twisselmann 1957-6-21 3764 Kern Tiger Flat. 2019 Comment
  CAS-BOT-BC314642  Grindelia hirsutula Ernest C. Twisselmann 1957-8-13 4006 Kern TEhachapi Mountains, west end of Cummings Valley, Tehachapi-Kernville Region 1097 Comment
  CAS-BOT-BC314647  Grindelia hirsutula Ernest C. Twisselmann 1954-7-20 1461 Kern Buena Vista Slough, 1 mile north of Shafter Highway, Temblor Range and the Western San Joaquin Valley 74 Comment
  CAS-BOT-BC314648  Grindelia hirsutula Ernest C. Twisselmann 1954-9-26 1598 Kern Buena Vista Slough, 1 1/2 miles north of Tupman, Temblor Range and the Western San Joaquin Valley 94 Comment
  CAS-BOT-BC314649  Grindelia hirsutula Ernest C. Twisselmann 1965-9-19 11573 Kern Marsh northeast of Well 8 in Sectoin 28, San Joaquin Valley, Kern National Wildlife Refuge 65 Comment
  CAS-BOT-BC314656  Grindelia hirsutula Ernest C. Twisselmann 1954-9-26 1599 Kern Buena Vista Slough, 1 1/2 miles north of Tupman, Temblor Range and the Western San Joaquin Valley 94 Comment
  CAS-BOT-BC316720  Isocoma acradenia var. bracteosa Ernest C. Twisselmann 1963-9-6 8955 Kern Lake Woolloomes near Delano, San Joaquin Valley 114 Comment
  CAS-BOT-BC316955  Packera ionophylla Ernest C. Twisselmann 1965-7-6 11117 Kern North slope of Tehachapi Peak. 2042 Comment
  CAS-BOT-BC318188  Packera breweri Ernest Christian Twisselmann 1965-6-4 11009 Kern Slope east of Farnsworth Ranch 914 Comment
  CAS-BOT-BC318196  Packera breweri Ernest Christian Twisselmann 1958-5-21 4470 Kern Cienaga Canyon near the Klipstein Ranch 883 Comment
  CAS-BOT-BC318706  Hieracium horridum Ernest C. Twisselmann 1971-7-15 17881 Kern North fork of the head of Bartolas Creek, Kern Plateau, Sierra Nevada 2011 Comment
  CAS-BOT-BC320128  Holocarpha heermannii Ernest C. Twisselmann 1956-9-20 3183 Kern Tehachapi-Kernville Region. Walker Basin 1341 Comment
  CAS-BOT-BC320130  Holocarpha heermannii Ernest C. Twisselmann 1957-8-13 3991 Kern Tehachapi-Kernville Region. Cummings Valley: Bear Valley Road near the Fickert Ranch Gate 1295 Comment
  CAS-BOT-BC320162  Holocarpha heermannii Ernest C. Twisselmann 1956-11-16 3253 Kern Tehachapi-Kernville Region. Kern River Canyon at the fish hatchery 883 Comment
  CAS-BOT-BC320273  Holocarpha obconica Ernest C. Twisselmann 1962-7-18 7430 Kern San Joaquin Valley, the Kern County East Side. Poso Hills: Famosa Road, ca. 2.5 miles west of Poso Oil Field 304 Comment
  CAS-BOT-BC320275  Holocarpha obconica Ernest C. Twisselmann 1965-4-26 10611 Kern Sierra Nevada, Greenhorn Range. Adobe Knoll at the head of Adobe Canyon 502 Comment
  CAS-BOT-BC322806  Stephanomeria pauciflora Ernest C. Twisselmann 1954-6-27 1402 Kern 4 miles south of Bitterwater Road, Cedar Canyon, Temblor Range and the Western San Joaquin Valley 609 Comment
  CAS-BOT-BC322811  Stephanomeria pauciflora Ernest C. Twisselmann 1967-9-19 13729 Kern Horse Canyon, Scodie Mountain, Tehachapi-Kernville Region 1828 Comment
  CAS-BOT-BC322831  Stephanomeria pauciflora Ernest C. Twisselmann 1969-5-21 15420 Kern Mouth of Red Rock Canyon, Mojave Desert 731 Comment
  CAS-BOT-BC324211  Syntrichopappus lemmonii Ernest C. Twisselmann 1957-5-10 3508 Kern Dove Spring Canyon, 4 miles west of Red Rock Canyon 975 Comment
  CAS-BOT-BC326874  Xylorhiza tortifolia Ernest C. Twisselmann 1957-4-10 3381 Kern 3 miles northwest of Castle Butte, Mojave-Randsburg region, Mojave Desert 685 Comment
  CAS-BOT-BC327340  Layia heterotricha Ernest C. Twisselmann 1955-4-26 1909 Kern Las Yeguas Hills, 1 mile N of Las Yeguas Ranch. 975 Comment
  CAS-BOT-BC327813  Monolopia congdonii Ernest C. Twisselmann 1954-4-2 972 Kern Middlewater Plain: 2 mi S of Middlewater Pump Station. Temblor Range and the Western San Joaquin Valley. Comment
  CAS-BOT-BC328969  Tetradymia axillaris var. longispina Ernest C. Twisselmann 1965-5-18 10851 Kern Dunes at the northeast end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-BC328970  Tetradymia axillaris var. longispina Ernest C. Twisselmann 1956-4-20 2660 Kern Kelso Creek Canyon, 8.2 miles south of Weldon 944 Comment
  CAS-BOT-BC328981  Tetradymia axillaris var. longispina Ernest C. Twisselmann 1958-5-27 4495 Kern East slope of Walker Pass, Tehachapi-Kernville region 1402 Comment
  CAS-BOT-BC329038  Tetradymia canescens Ernest C. Twisselmann 1963-8-30 8918 Kern Lookout Point, Paiute Mountains 2499 Comment
  CAS-BOT-BC329039  Tetradymia canescens Ernest C. Twisselmann 1958-8-8 4598 Kern Tejon Ranch; divide between upper Tunis & Lecheria Canyons (San Joaquin & Mojave drainages) 1859 Comment
  CAS-BOT-BC329152  Lasthenia glabrata subsp. coulteri Ernest C. Twisselmann 1965-3-17 10458 Kern San Joaquin Valley, Kern National Wildlife Refuge. 68 Comment
  CAS-BOT-BC329430  Lepidospartum squamatum Ernest C. Twisselmann 1958-10-1 4866 Kern Mohave-Randsburg Region. Bishop Highway, about 5 miles N of Freeman Junction. 899 Comment
  CAS-BOT-BC331595  Acer macrophyllum Ernest C. Twisselmann 1958-8-7 4580 Kern Tehachapi-Kernville region. Tejon Ranch: El Paso Creek Canyon. 883 Comment
  CAS-BOT-BC333130  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1963-6-11 8477 Kern Granite outcrops just above Granite Station, Greenhorn Range, Sierra Nevada 563 Comment
  CAS-BOT-BC333153  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1969-11-26 16348 Kern Lake Isabella, south of South Lake, below the Goat Ranch, Tehachapi-Kernville Region 853 Comment
  CAS-BOT-BC333155  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1954-6-3 1318 Kern Shale Canyon 1 mile west of U.S. 466 on Annette Road, Temblor Range and the western San Joaquin Valley 365 Comment
  CAS-BOT-BC334194  Acer negundo var. californicum Ernest C. Twisselmann 1964-7-17 9762 Kern Cienega below Fort Tejon 944 Comment
  CAS-BOT-BC337999  Lasthenia californica Ernest C. Twisselmann 1954-4-2 959 Kern Temblor Range and the Western San Joaquin Valley. Belridge Plain: 1 mile west of South Belridge 274 Comment
  CAS-BOT-BC338000  Lasthenia californica Ernest C. Twisselmann 1971-4-26 17646 Kern Cyrus Canyon 1188 Comment
  CAS-BOT-BC338032  Lasthenia californica Ernest C. Twisselmann 1958-3-22 4186 Kern Eastern San Joaquin Valley. Ridge on the north side of the mouth of Caliente Canyon 281 Comment
  CAS-BOT-BC339547  Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1965-5-6 10772 Kern Mojave Desert, Mojave-Randsburg Region. Indian Wells Valley: plain just south of Harts Station 975 Comment
  CAS-BOT-BC339548  Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1965-5-6 10772 Kern Mojave Desert, Mojave-Randsburg Region. Indian Wells Valley: plain just south of Harts Station 975 Comment
  CAS-BOT-BC339549  Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1965-6-23 11070 Kern Mojave Desert, Mojave-Randsburg Region. Plain at the mouth of Sacratarius Canyon (north side of Antelope Valley), Tejon Ranch 1280 Comment
  CAS-BOT-BC339554  Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1958-5-27 4498 Kern Tehachapi-Kernville Region. East slope of Walker Pass 1402 Comment
  CAS-BOT-BC339556  Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1962-7-19 7474 Kern Tehachapi-Kernville Region. Lander's Meadow, Piute Mountains 1973 Comment
  CAS-BOT-BC341016  Robinia pseudoacacia Ernest C. Twisselmann 1972-9-22 19231 Kern Lake Isabella adjacent to old Kernville site 815 Comment
  CAS-BOT-BC341061  Scutellaria mexicana Ernest C. Twisselmann 1962-5-7 7066 Kern Mojave Desert, Mojave-Randsburg Region. Mouth of the canyon north of El Paso Peak 883 Comment
  CAS-BOT-BC341849  Lessingia nemaclada Ernest C. Twisselmann 1955-7-30 2287 Kern Temblor Range and the Western San Joaquin Valley. Messa Ridge, 3.6 miles west of Carneros Rocks 789 Comment
  CAS-BOT-BC343040  Madia gracilis Ernest C. Twisselmann 1963-7-10 8700 Kern Sierra Nevada, Kern Plateau. Fork of Cannell Creek on Pine Flat 2164 Comment
  CAS-BOT-BC345491  Malacothrix coulteri Ernest C. Twisselmann 1955-4-2 1774 Kern Temblor Range and the Western San Joaquin Valley. Alkali sink 10 miles north of Lost Hills 89 Comment
  CAS-BOT-BC346383  Psorothamnus arborescens Ernest C. Twisselmann 1970-5-6 16469 Kern Red Rock Canyon; near the head of the E fork of the canyon 853 Comment
  CAS-BOT-BC346385  Psorothamnus arborescens Ernest C. Twisselmann 1969-5-21 15377 Kern Red Rock Canyon, slope at the head of Tarweed Creek 792 Comment
  CAS-BOT-BC347814  Malacothrix saxatilis var. commutata Ernest C. Twisselmann 1963-8-30 8895 Kern Tehachapi-Kernville Region. North end of Piute Mountain (3.4 miles above Bodfish Gap) 1524 Comment
  CAS-BOT-BC347901  Malacothrix saxatilis var. tenuifolia Ernest C. Twisselmann 1954-6-18 1381 Kern Temblor Range and the Western San Joaquin Valley. Summit of Grocer Grade, 9 miles west of Maricopa 904 Comment
  CAS-BOT-BC349439  Monolopia lanceolata Ernest C. Twisselmann 1955-3-9 1704 Kern Temblor Range and the Western San Joaquin Valley. Plain 1 1/2 mile south of Devil's Den 274 Comment
  CAS-BOT-BC349472  Monolopia lanceolata Ernest C. Twisselmann 1966-4-26 11982 Kern Tehachapi Mountains. Divide between Tehachapi and Keene 1234 Comment
  CAS-BOT-BC349477  Monolopia lanceolata Ernest C. Twisselmann 1958-4-17 4328 Kern Mojave Desert, Mojave-Randsburg Region. North slope of Soledad Mountain 975 Comment
  CAS-BOT-BC349478  Monolopia lanceolata Ernest C. Twisselmann 1958-3-22 4197 Kern Eastern San Joaquin Valley. Poso Creek Road, 2.1 miles east of Mon Bluff 243 Comment
  CAS-BOT-BC349667  Monolopia stricta Ernest C. Twisselmann 1954-3-13 875 Kern Temblor Range and the Western San Joaquin Valley. Lost Hills: 1/2 mile west of Lost Hills Oil Field 121 Comment
  CAS-BOT-BC349668  Monolopia stricta Ernest C. Twisselmann 1955-3-9 1705 Kern Temblor Range and the Western San Joaquin Valley. Plain 1 1/2 mile west of Lost Hills 121 Comment
  CAS-BOT-BC349669  Monolopia stricta Ernest C. Twisselmann 1955-3-9 1705 Kern Temblor Range and the Western San Joaquin Valley. Plain 1 1/2 mile west of Lost Hills Comment
  CAS-BOT-BC349670  Monolopia stricta Ernest C. Twisselmann 1969-4-4 15061 Kern Temblor Range and the Western San Joaquin Valley. Highway U. S. 46, 2 miles west of Lost Hills 152 Comment
  CAS-BOT-BC349721  Monoptilon bellidiforme Ernest C. Twisselmann 1970-5-6 16472 Kern Mojave Desert, Red Rock Canyon. Near the head of the east fork of the canyon 853 Comment
  CAS-BOT-BC349871  Nicolletia occidentalis Ernest C. Twisselmann 1969-5-21 15413 Kern Mojave Desert, Red Rock Canyon. Sand dunes on the east side of the first ridge east of the main canyon floor 792 Comment
  CAS-BOT-BC352340  Psorothamnus fremontii var. fremontii Ernest C. Twisselmann 1957-4-10 3338 Kern El Paso Mountains: Last Chance Canyon 725 Comment
  CAS-BOT-BC354264  Psorothamnus arborescens var. minutifolius Ernest C. Twisselmann 1970-5-6 16469 Kern Red Rock Canyon, near the head of the east fork of the canyon 853 Comment
  CAS-BOT-BC355673  Orochaenactis thysanocarpha Ernest C. Twisselmann 1962-7-19 7442 Kern Tehachapi-Kernville Region. Harris Grade, 1.7 mile east of Lander's Meadow, Piute Mountains 1958 Comment
  CAS-BOT-BC355675  Orochaenactis thysanocarpha Ernest C. Twisselmann 1971-7-15 17901 Kern Sierra Nevada, Kern Plateau. South fork of the head of Bartolas Creek 1981 Comment
  CAS-BOT-BC356121  Pluchea odorata Ernest C. Twisselmann 1966-8-26 12750 Kern San Joaquin Valley, the Kern County East Side. Poso Creek at the mouth of Sand Canyon 213 Comment
  CAS-BOT-BC356272  Psathyrotes annua Ernest C. Twisselmann 1969-10-16 16301 Kern Mojave Desert, Red Rock Canyon. Flat east of the Freeway 762 Comment
  CAS-BOT-BC356692  Pseudognaphalium californicum Ernest C. Twisselmann 1965-7-6 11165 Kern Tehachapi Mountains. Bakersfield Highway just west of Hart Flat 792 Comment
  CAS-BOT-BC362983  Rigiopappus leptocladus Ernest C. Twisselmann 1961-5-4 6078 Kern Sierra Nevada, Greenhorn Range. Greenhorn Pass Road, 3.4 miles west of Wofford Heights 1089 Comment
  CAS-BOT-BC364993  Solidago velutina subsp. californica Ernest C. Twisselmann 1958-9-3 4757 Kern Eastern San Joaquin Valley. Kern River: 2.2 miles west of Stockdale Country Club 114 Comment
  CAS-BOT-BC364995  Solidago velutina subsp. californica Ernest C. Twisselmann 1954-7-31 1481 Kern Temblor Range and the Western San Joaquin Valley. Santos Canyon: 3 miles northwest of Carneros Rocks 457 Comment
  CAS-BOT-BC366139  Lasthenia minor Ernest C. Twisselmann 1954-3-13 884 Kern Flowering plants of the Temblor Range and the western San Joaquin Valley: Alkali Sink, 9 miles north of Los Hills 74 Comment
  CAS-BOT-BC366156  Lasthenia minor Ernest C. Twisselmann 1958-3-11 4139 Kern Flowering Plants of the Temblor Range and the Western San Joaquin Valley: Lost Hills area: Plains 3 miles north of Lost Hills Oil Field 137 Comment
  CAS-BOT-BC366296  Lasthenia minor Ernest C. Twisselmann 1954-3-27 950 Kern Plants of the Temblor Range and the Western San Joaquin Valley: Carneros Rocks 472 Comment
  CAS-BOT-BC367537  Lasthenia microglossa Ernest C. Twisselmann 1954-4-9 1020 Kern Temblor Range and the Western San Joaquin Valley: Cedar Canyon, 0.25 mile east of Canyon Forks 563 Comment
  CAS-BOT-BC367538  Lasthenia microglossa Ernest C. Twisselmann 1954-3-27 946 Kern Temblor Range and the Western San Joaquin Valley: Carneros Rocks Comment
  CAS-BOT-BC367542  Lasthenia microglossa Ernest C. Twisselmann 1959-4-5 5020 Kern Temblor Range and the Western San Joaquin Valley: Alec Cook Canyon, 0.25 mile east of Cedar Canyon forks 571 Comment
  CAS-BOT-BC370651  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1952-4-5 601 Kern Carneros Rocks 487 Comment
  CAS-BOT-BC370653  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1969-4-5 15065 Kern Corcoran Highway 0.3 mile north of Highway 46 91 Comment
  CAS-BOT-BC370681  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1957-3-27 3276 Kern Tehachapi Mountains: Horsethief Flat Road. 624 Comment
  CAS-BOT-BC37073  Capsella bursa-pastoris Ernest C. Twisselmann 1965-3-17 10469 Kern Kern National Wildlife Refuge. Goose Lake Canal near the south boundary of the refuge. 68 Comment
  CAS-BOT-BC37074  Capsella bursa-pastoris Ernest C. Twisselmann 1965-3-17 10463 Kern Kern National Wildlife Refuge. Along a canal bank at the south end of the Refuge. 68 Comment
  CAS-BOT-BC370763  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1955-4-14 1855 Kern Cedar Canyon, 4.5 miles south of Bitterwater Road 670 Comment
  CAS-BOT-BC371561  Layia pentachaeta subsp. pentachaeta Ernest C. Twisselmann 1960-4-2 5945 Kern Tehachapi-Kernville Region; West slop of Brechenridge Mountain at Parker Creek 685 Comment
  CAS-BOT-BC38284  Caulanthus californicus Ernest C. Twisselmann 1958-3-22 4167 Kern Temblor Range and the Western San Joaquin Valley. Corcoran Highway, 1.5 mile north of U.S. 466. 68 Comment
  CAS-BOT-BC38390  Caulanthus coulteri Ernest C. Twisselmann 1963-4-26 8111 Kern Sierra Nevada. Greenhorn Range. Ridge above Poso Mine. 670 Comment
  CAS-BOT-BC383933  Abronia pogonantha Ernest C. Twisselmann 1954-4-2 965 Kern Temblor Range and the Western San Joaquin Valley. Middlewater Plain, 2 miles south of Middlewater Pump Station 182 Comment
  CAS-BOT-BC383941  Abronia pogonantha Ernest C. Twisselmann 1958-3-22 4179 Kern Eastern San Joaquin Valley. Ridge on the north side of the mouth of Caliente Canyon 289 Comment
  CAS-BOT-BC38396  Caulanthus coulteri Ernest C. Twisselmann 1966-5-10 12160 Kern Sierra Nevada. High slope west of Spanish Needle Creek. 1432 Comment
  CAS-BOT-BC38427  Caulanthus coulteri Ernest C. Twisselmann 1958-3-22 4182 Kern Eastern San Joaquin Valley. Ridge on the north side of the mouth of Caliente Canyon. 297 Comment
  CAS-BOT-BC38429  Caulanthus coulteri Ernest C. Twisselmann 1959-4-1 4993 Kern Tehachapi - Kernville Region. Breckenridge Mountain Road, 12.6 miles south of Kern River Canyon Highway. 838 Comment
  CAS-BOT-BC384352  Silene bernardina Ernest C. Twisselmann 1965-7-27 11195 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road, 0.9 mile east of Munzer Meadow 2004 Comment
  CAS-BOT-BC384471  Silene antirrhina Ernest C. Twisselmann 1964-5-15 9489 Kern Sierra Nevada, Greenhorn Range. Grizzly Gulch at the White River-Rag Gulch road 480 Comment
  CAS-BOT-BC388289  Cerastium glomeratum Ernest C. Twisselmann 1961-5-23 6152 A Kern Tehachapi Mountains. Tejon Ranch: El Paso Canyon, about 1.5 mile above the Meadows Place 1097 Comment
  CAS-BOT-BC389081  Silene laciniata subsp. californica Ernest C. Twisselmann 1957-6-5 3611 Kern Tehachapi-Kernville Region. Piute Mountains: north slope of Bald Eagle Peak 1722 Comment
  CAS-BOT-BC389090  Silene laciniata subsp. californica Ernest C. Twisselmann 1964-5-15 9425 Kern Sierra Nevada, Greenhorn Range. West side of the summit of Blue Mountain 1501 Comment
  CAS-BOT-BC390083  Spergularia atrosperma Ernest C. Twisselmann 1954-3-13 887 Kern Temblor Range and the Western San Joaquin Valley. Alkali Sink, 9 miles north of Lost Hills 74 Comment
  CAS-BOT-BC390787  Spergularia marina Ernest C. Twisselmann 1963-4-12 8025 Kern San Joaquin Valley, the Kern County East Side. Buena Vista Lake: Coles Levee at Pieri Road 91 Comment
  CAS-BOT-BC390788  Spergularia marina Ernest C. Twisselmann 1963-4-12 8025 Kern San Joaquin Valley, the Kern County East Side. Buena Vista Lake: Coles Levee at Pieri Road 91 Comment
  CAS-BOT-BC39361  Arctostaphylos glauca Ernest C. Twisselmann 1966-7-5 12538 Kern Tehachapi Mountains, Slope east of the mouth of Chanyon de la Lecheria. 1341 Comment
  CAS-BOT-BC39363  Arctostaphylos glauca Ernest C. Twisselmann 1958-8-8 4591 Kern Tehachapi Mountains, Kernville Region, Tejon Ranch: the Bear Trap 1036 Comment
  CAS-BOT-BC39367  Arctostaphylos glauca Ernest C. Twisselmann 1953-2-1 380 Kern Temblor Range and the Western San Joaquin Valley, Joe Messa Ridge, 3 miles west of Carneros Rocks. Comment
  CAS-BOT-BC400862  Hypericum anagalloides Ernest C. Twisselmann 1957-7-23 3860 Kern Sierra Nevada, Greenhorn Range. Trail to Sunday Peak 2270 Comment
  CAS-BOT-BC401777  Argemone munita subsp. rotundata Ernest C. Twisselmann 1967-9-19 13711 Kern Tehachapi-Kernville Region. Summit of Scodie (Kiahvah) Mountain 1981 Comment
  CAS-BOT-BC403047  Eschscholzia californica Ernest C. Twisselmann 1963-4-18 8091 Kern San Emigdio Range and the Mt. Pinos Region. San Emigdio Canyon 594 Comment
  CAS-BOT-BC403072  Eschscholzia californica Ernest C. Twisselmann 1966-5-20 1315 Kern Tehachapi-Kernville Region. Tweedy Canyon, east of Keene 1554 Comment
  CAS-BOT-BC403079  Eschscholzia californica Ernest C. Twisselmann 1964-5-15 9458 Kern Sierra Nevada, Greenhorn Range. Rankin Flat, at the east base of Blue Mountain 975 Comment
  CAS-BOT-BC403103  Eschscholzia californica Ernest C. Twisselmann 1964-5-26 9516 Kern Tehachapi-Kernville Region. Walker Basin 914 Comment
  CAS-BOT-BC403825  Hesperocnide tenella Ernest C. Twisselmann 1963-5-11 8217 Kern Tehachapi Mountains. Hart Flat 762 Comment
  CAS-BOT-BC40613  Erysimum capitatum Ernest C. Twisselmann 1964-5-15 9402 Kern Sierra Nevada. Greenhorn Range. West side of Rankin Flat. 990 Comment
  CAS-BOT-BC40614  Erysimum capitatum Ernest C. Twisselmann 1964-5-26 9507 Kern Tehachapi-Kernville Region. Back Canyon. 1264 Comment
  CAS-BOT-BC40617  Erysimum capitatum Ernest C. Twisselmann 1965-7-28 11333 Kern Sierra Nevada. Kern Plateau. Pine Flat. 2225 Comment
  CAS-BOT-BC40650  Erysimum capitatum Ernest C. Twisselmann 1962-4-1 6744 Kern Temblor Range and the Western San Joaquin Valley. Summit of Firebreak Grade. 830 Comment
  CAS-BOT-BC40656  Erysimum capitatum Ernest C. Twisselmann 1965-5-18 10845 Kern Mojave Desert. Mojave-Randsburg Region. Northeast end of Buckhorn Lake, Edwards Air Force Base. 743 Comment
  CAS-BOT-BC407736  Arceuthobium abietinum Ernest C. Twisselmann 1956-9-14 3161 Kern Mt. Pinos road, 0.1 mile W of the end of the paved highway, San Emigdio Range 2316 Comment
  CAS-BOT-BC409894  Enemion occidentale Ernest C. Twisselmann 1965-4-21 10574 Kern Tejon Canyon 1036 Comment
  CAS-BOT-BC409934  Arceuthobium campylopodum Ernest C. Twisselmann 1963-7-10 8681 Kern rim of the Kern Plateau, SW of Pine Flat 2240 Comment
  CAS-BOT-BC412668  Hollisteria lanata Ernest C. Twisselmann 1965-4-26 10617 Kern Sierra Nevada, Greenhorn Range. The Crater, Adobe Canyon 381 Comment
  CAS-BOT-BC413515  Persicaria amphibia Ernest C. Twisselmann 1962-11-14 7951 Kern San Joaquin Valley, the Kern County East Side. Canal at the east side of Buena Vista Lake 60 Comment
  CAS-BOT-BC41520  Erysimum asperum Ernest C. Twisselmann 1963-7-10 8651 Kern Sierra Nevada. Rim of the Kern Plateau southwest of Pine Flat. 2255 Comment
  CAS-BOT-BC415968  Mucronea perfoliata Ernest C. Twisselmann 1958-8-8 4592 Kern Tejon Ranch: The Bear Trap, Tehachapi Kernville Region 1036 Comment
  CAS-BOT-BC418695  Eschscholzia glyptosperma Ernest C. Twisselmann 1966-4-13 11827 Kern Mojave Desert, Mojave-Randsburg Region. Plains east of Ridgecrest, along County Line Road 719 Comment
  CAS-BOT-BC418985  Persicaria lapathifolia Ernest C. Twisselmann 1964-9-29 10272 Kern San Joaquin Valley, Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC419974  Polygonum polygaloides subsp. kelloggii Ernest C. Twisselmann 1963-7-9 8634 Kern Sierra Nevada, Greenhorn Range. Mountain Meadow, on the east slope of Sunday Peak 2164 Comment
  CAS-BOT-BC421157  Pterostegia drymarioides Ernest C. Twisselmann 1965-4-21 10589 Kern Tehachapi Mountains. Tejon Canyon. 762 Comment
  CAS-BOT-BC421158  Pterostegia drymarioides Ernest C. Twisselmann 1965-4-21 10589 Kern Tehachapi Mountains. Tejon Canyon. 762 Comment
  CAS-BOT-BC421159  Pterostegia drymarioides Ernest C. Twisselmann 1964-5-6 9319 Kern Tehachapi-Kernville Region. Alphie Spring fork of Jawbone Canyon. 1082 Comment
  CAS-BOT-BC421163  Pterostegia drymarioides Ernest C. Twisselmann 1964-5-6 9319 Kern Tehachapi-Kernville Region. Alphie Spring fork of Jawbone Canyon. 1082 Comment
  CAS-BOT-BC42156  Arctostaphylos patula subsp. patula Ernest C. Twisselmann 1959-4-16 5048 Kern Piute Mountains: Harris Grade, just east of Lander's Meadow. 2011 Comment
  CAS-BOT-BC42194  Arctostaphylos patula subsp. patula Ernest C. Twisselmann 1965-7-28 11328 Kern Ridge southeast of Pine Flat 2377 Comment
  CAS-BOT-BC423107  Cleomella obtusifolia Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-5-22 14220 Kern Mojave Desert, Mojave-Randsburg Region. Dunes at the southeast end of Buckhorn Dry Lake. 746 Comment
  CAS-BOT-BC423108  Cleomella obtusifolia Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-5-22 14220 Kern Mojave Desert, Mojave-Randsburg Region. Dunes at the southeast end of Buckhorn Dry Lake. 746 Comment
  CAS-BOT-BC428795  Micranthes californica Ernest C. Twisselmann 1953-4-3 259 Kern Temblor Range and the Western San Joaquin Valley. Messa Ridge, 2 miles west of Carneros Rocks 792 Comment
  CAS-BOT-BC43144  Descurainia pinnata subsp. brachycarpa Ernest C. Twisselmann 1953-5-27 238 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough, near the Highway US 466 bridge. 68 Comment
  CAS-BOT-BC43328  Descurainia pinnata subsp. glabra Ernest C. Twisselmann 1962-4-9 6892 Kern Tehachapi-Kernville Region. South Fork Valley, 5.7 miles west of Onyx. 746 Comment
  CAS-BOT-BC433894  Rumex salicifolius Ernest C. Twisselmann 1963-8-30 8926 Kern Tehachapi-Kernville Region. French Meadow, Piute Mountains. 2072 Comment
  CAS-BOT-BC434902  Mirabilis multiflora var. pubescens Ernest C. Twisselmann 1965-4-26 10619 Kern Sierra Nevada, Greenhorn Range. The Crater, Adobe Canyon 381 Comment
  CAS-BOT-BC43608  Dithyrea californica Ernest C. Twisselmann 1958-5-6 4402 Kern Mohave-Randsburg Region. Indian Wells Valley, 2.1 miles west of Inyokern. 899 Comment
  CAS-BOT-BC43614  Dithyrea californica Ernest C. Twisselmann 1965-5-5 10688 Kern Mojave Desert. Mojave-Randsburg Region. Northeast end of Buckhorn Lake, Edwards Air Force Base. 754 Comment
  CAS-BOT-BC438391  Calandrinia ciliata Ernest C. Twisselmann 1965-3-17 10450 Kern San Joaquin Valley, Kern National Wildlife Refuge. 68 Comment
  CAS-BOT-BC438742  Cistanthe monandra Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-4-24 14094 Kern Cyrus Canyon, near its head (east of Kern Valley) 1036 Comment
  CAS-BOT-BC439698  Claytonia parviflora subsp. viridis Ernest C. Twisselmann 1955-5-12 1963 Kern Temblor Range and the Western San Joaquin Valley. Messa Ridge, Temblor Mountains 975 Comment
  CAS-BOT-BC445438  Alisma triviale Ernest C. Twisselmann 1964-7-25 9946 Kern Sierra Nevada, Greenhorn Range. Lynns Valley at the Henry Bowen Ranch 975 Comment
  CAS-BOT-BC445789  Sagittaria longiloba Ernest C. Twisselmann 1964-9-29 10273 Kern San Joaquin Valley, Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC451545  Elodea canadensis Ernest C. Twisselmann 1961-10-5 6609 Kern Eastern San Joaquin Valley. Kern River below Lake Ming. 190 Comment
  CAS-BOT-BC45302  Ancistrocarphus filagineus Ernest C. Twisselmann 1965-4-26 10610 Kern The Greenhorn Range: Adobe Knoll at the head of Adobe Canyon. 502 Comment
  CAS-BOT-BC45666  Quercus agrifolia Ernest C. Twisselmann 1953-9-4 738 Kern Little Spring, 2 miles south of Carneros Rocks 502 Comment
  CAS-BOT-BC45887  Arctostaphylos nevadensis Ernest C. Twisselmann 1966-6-23 12389 Kern Summit of Sunday Peak 2535 Comment
  CAS-BOT-BC45889  Arctostaphylos nevadensis Ernest C. Twisselmann 1957-7-23 3861 Kern Trail to Sunday Peak 2301 Comment
  CAS-BOT-BC45891  Arctostaphylos nevadensis Ernest C. Twisselmann 1966-6-23 12389 Kern Summit of Sunday Peak 2535 Comment
  CAS-BOT-BC47129  Arctostaphylos viscida subsp. mariposa Ernest C. Twisselmann 1964-5-15 9428 Kern W. side of the summit of Blue Mountain. 1493 Comment
  CAS-BOT-BC47131  Arctostaphylos viscida subsp. mariposa Ernest C. Twisselmann 1962-6-22 7366 Kern Piute Mountain: Piute Peak road about 1 mi. se. of the Havilah-Bodfish road. 1371 Comment
  CAS-BOT-BC47133  Arctostaphylos viscida subsp. mariposa Ernest C. Twisselmann 1959-7-18 5368 Kern Breckenridge Mountain: ridge above O'Brien Spring. 1798 Comment
  CAS-BOT-BC47134  Arctostaphylos viscida subsp. mariposa Ernest C. Twisselmann 1958-5-21 4483 Kern Wagy Flat Road, 2.4 mi. e. of the summit. Shandon. 1584 Comment
  CAS-BOT-BC482151  Bloomeria crocea var. montana Ernest C. Twisselmann 1956-7-17 3059 Kern Piute Countains: Gerenger Grade near the National Foest Boundary 1981 Comment
  CAS-BOT-BC48592  Ceanothus cordulatus Ernest C. Twisselmann 1956-6-14 2938 Kern Northeast slope of Mt. Pinos 2468 Comment
  CAS-BOT-BC48857  Ceanothus cuneatus Ernest C. Twisselmann 1954-3-27 949 Kern Joe Messa Ridge: 1 1/2 miles west of Carneros Rocks 609 Comment
  CAS-BOT-BC49284  Ceanothus cuneatus Ernest C. Twisselmann 1957-4-3 3304 Kern Sierra Nevada - The Greenhorn Range - Rattlesnake Grade, 10.6 miles northwest of Kern River Highway. 822 Comment
  CAS-BOT-BC49818  Ceanothus diversifolius E. C. Twisselmann 1959-4-25 5091 Kern Greenhorn Mountain Road, 8 miles east of Glennville 1493 Comment
  CAS-BOT-BC50680  Ceanothus integerrimus var. macrothyrsus Ernest C. Twisselmann 1963-8-8 8870 Kern Tehachapi Mountains: Slpe just west of Tejon Pass 1554 Comment
  CAS-BOT-BC51185  Ceanothus leucodermis Ernest C. Twisselmann 1956-5-17 2817 Kern Piute Mountain road, .4 mile East of Walker Basin road junction 1280 Comment
  CAS-BOT-BC53461  Frangula californica subsp. tomentella Ernest C. Twisselmann 1955-8-10 2323 Kern East fork of upper San Emigdio Creek 1645 Comment
  CAS-BOT-BC55337  Hirschfeldia incana Ernest C. Twisselmann 1958-9-3 4753 Kern Eastern San Joaquin Valley. Kern River. 2.2 miles west of Stockdale Country Club. 114 Comment
  CAS-BOT-BC57279  Equisetum laevigatum Ernest C. Twisselmann 1972-9-22 19183 Kern Poso Creek 1 mile west of Glennville 914 Comment
  CAS-BOT-BC57282  Equisetum laevigatum Ernest C. Twisselmann 1961-7-27 6441 Kern Kern River, 0.5 miles below Kernville 803 Comment
  CAS-BOT-BC59866  Rhamnus ilicifolia Ernest C. Twisselmann 1954-5-13 1227 Kern Summit of Black Canyon, Temblor Mountains. Shandon. 975 Comment
  CAS-BOT-BC60395  Nasturtium officinale Ernest C. Twisselmann 1964-9-16 10191 Kern Tehachapi-Kernville Region. French Meadow, Piute Mountains. 2072 Comment
  CAS-BOT-BC60901  Stanleya pinnata Ernest C. Twisselmann 1970-9-8 17470 Kern Mojave Desert. Mojave-Randsburg Region. North end of Rosamond Dry Lake. 731 Comment
  CAS-BOT-BC61053  Streptanthella longirostris Ernest C. Twisselmann 1957-4-10 3344 Kern Mohave-Randsburg Region. El Paso Mountains. Last Chance Canyon. 1143 Comment
  CAS-BOT-BC61054  Streptanthella longirostris Ernest C. Twisselmann 1957-4-10 3344 Kern Mohave-Randsburg Region. El Paso Mountains. Last Chance Canyon. 1143 Comment
  CAS-BOT-BC61342  Streptanthus cordatus var. piutensis Ernest C. Twisselmann 1957-6-5 3621 Kern Tehachapi-Kernville Region. Piute Mountains. Ball Mountain (Claraville Road 1.8 mile south of Bodfish-Havilah Road). 1341 Comment
  CAS-BOT-BC61554  Quercus lobata Ernest C. Twisselmann 1958-8-7 4575 Kern Ridge on the Tejon Ranch road about 1 mile west of White Oak Lodge (Mojave drainage) 1524 Comment
  CAS-BOT-BC61557  Quercus lobata Ernest C. Twisselmann 1964-7-23 9769 Kern Glennville-Greenhorn Road, 0.4 miles east of the National Forest boundary 1371 Comment
  CAS-BOT-BC61559  Quercus lobata Ernest C. Twisselmann 1964-7-23 9771 Kern Glennville-Greenhorn Road, 0.4 miles east of the National Forest boundary 1371 Comment
  CAS-BOT-BC61988  Selaginella asprella Ernest C. Twisselmann 1963-6-11 8460 Kern Rocky point at the south limits of River Kern 853 Comment
  CAS-BOT-BC62015  Selaginella bigelovii Ernest C. Twisselmann 1957-4-3 3308 Kern Rattlesnake Grade Road, 4.8 miles northeast of Kern River Highway 429 Comment
  CAS-BOT-BC62610  Quercus chrysolepis Ernest C. Twisselmann 1963-8-8 8867 Kern Slope just west of Tejon Pass 1554 Comment
  CAS-BOT-BC62612  Quercus chrysolepis Ernest C. Twisselmann 1963-8-8 8868 Kern Slope just west of Tejon Pass 1554 Comment
  CAS-BOT-BC62648  Quercus chrysolepis Ernest C. Twisselmann 1956-9-14 3138 Kern San Emigdio Canyon, near the forks 1417 Comment
  CAS-BOT-BC62735  Quercus garryana var. breweri Ernest C. Twisselmann 1956-9-20 3180 Kern Breckenridge Mountain road, 1.6 mile west of Havilah road 1280 Comment
  CAS-BOT-BC63688  Ceanothus integerrimus Ernest C. Twisselmann 1966-6-23 12411 Kern Summit Rd. just s. of Greenhorn Pass. 1886 Comment
  CAS-BOT-BC64002  Anisocoma acaulis Ernest C. Twisselmann 1965-5-6 10770 Kern Indian Wells Valley: plain just south of Harts Station 975 Comment
  CAS-BOT-BC64006  Anisocoma acaulis Ernest C. Twisselmann 1966-5-10 12126 Kern West end of King Solomon's Ridge, Piute Mountains 1463 Comment
  CAS-BOT-BC64047  Anisocoma acaulis Ernest C. Twisselmann 1956-4-20 2654 Kern Kelso Creek Canyon, 5.5 miles south of Weldon. 883 Comment
  CAS-BOT-BC67246  Thysanocarpus laciniatus var. hitchcockii Ernest C. Twisselmann 1965-6-3 10907 Kern Sierra Nevada. Head of Spanish Needle Creek. 1417 Comment
  CAS-BOT-BC67701  Pellaea andromedifolia Ernest C. Twisselmann 1963-5-17 8265 Kern Sierra Nevada, Greenhorn Range - Poso Creek Canyon, 2.25 miles above Poso Mine 838 Comment
  CAS-BOT-BC67746  Pellaea andromedifolia Ernest C. Twisselmann 1960-4-2 5932 Kern Tehachapi-Kernville Region - Kern Canyon: ravine 3.6 miles east of Democrat Guard Station. 731 Comment
  CAS-BOT-BC67955  Cystopteris fragilis Ernest C. Twisselmann 1964-6-21 9666 Kern Tehachapi Mountains - Water Creek on the south side of Bear Mountain 1569 Comment
  CAS-BOT-BC68000  Cystopteris fragilis Ernest C. Twisselmann 1958-5-21 4480 Kern Sierra Nevada, Greenhorn Range - Wagy Flat Road, 7.6 miles east of the summit. 1249 Comment
  CAS-BOT-BC71318  Pellaea mucronata Ernest C. Twisselmann 1963-6-27 8565 Kern Farnsworth Ranch, 2 miles south of Glennville 883 Comment
  CAS-BOT-BC71634  Pentagramma triangularis subsp. triangularis Ernest C. Twisselmann 1964-5-15 9487 Kern Grizzly Gulch at the White River-Rag Gulch Road 480 Comment
  CAS-BOT-BC72888  Pinus ponderosa Ernest C. Twisselmann 1963-8-8 8830 Kern Tehachapi Mountains - Cienegas near the head of Tejon Creek. 1280 Comment
  CAS-BOT-BC73574  Abies concolor Ernest C. Twisselmann 1958-8-8 4602 Kern Tehachapi-Kernville Region - Tejon Ranch, Purdy Ridge 1615 Comment
  CAS-BOT-BC73663  Maclura pomifera Ernest C. Twisselmann 1964-7-17 9720 Kern San Joaquin Valley - Old Highway U.S. 99, 10.3 miles north of Metterlers Station (Kern Island region). 121 Comment
  CAS-BOT-BC73778  Peritoma arborea var. angustata Ernest C. Twisselmann 1962-4-10 6790 Kern Mojave Desert, Mohave-Ransburg region - mouth of Iron Canyon, El Paso Range. 701 Comment
  CAS-BOT-BC73942  Turritis glabra Ernest C. Twisselmann 1964-6-21 9684 Kern Tehachapi Mountains. Bear Valley. 1295 Comment
  CAS-BOT-BC74822  Rorippa palustris var. palustris Ernest C. Twisselmann 1955-4-19 1882 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Canal, 2.6 miles east of Lost Hills. 91 Comment
  CAS-BOT-BC74826  Rorippa palustris var. palustris Ernest C. Twisselmann 1962-11-14 7978 Kern San Joaquin Valley. Kern River at Enos Road. 114 Comment
  CAS-BOT-BC75208  Sisymbrium irio Ernest C. Twisselmann 1959-3-16 4966 Kern Temblor Range and the Western San Joaquin Valley. Mize Camp, at the mouth of Agua Media Canyon. 274 Comment
  CAS-BOT-BC75403  Sisymbrium orientale Ernest C. Twisselmann 1969-4-20 15150 Kern Temblor Range and the Western San Joaquin Valley. Hills at the summit of Cedar Canyon. 731 Comment
  CAS-BOT-BC76288  Canbya candida Ernest C. Twisselmann 1965-5-5 10670 Kern Mojave Desert. Mojave-Randsburg Region. Slope above the northwest end of Buckhorn Lake, Edwards Air Force Base. 754 Comment
  CAS-BOT-BC76302  Canbya candida Ernest C. Twisselmann 1971-4-26 17625 Kern Sierra Nevada. Cyrus Canyon. 1188 Comment
  CAS-BOT-BC76332  Eschscholzia hypecoides Ernest C. Twisselmann 1968-5-11 13022 Kern Temblor Range and the Western San Joaquin Valley. Cedar Canyon, 0.25 mile below Alec Cook Rocks. 670 Comment
  CAS-BOT-BC76425  Eschscholzia lemmonii Ernest C. Twisselmann 1955-3-6 1686 Kern Temblor Range and the Western San Joaquin Valley. Shale Hills, 7 miles west of Blackwell's Corner. 365 Comment
  CAS-BOT-BC77581  Peritoma arborea var. globosa Ernest C. Twisselmann 1962-11-14 7999 Kern Grapevine Canyon 670 Comment
  CAS-BOT-BC77589  Peritoma arborea var. globosa Ernest C. Twisselmann 1959-5-2 5137 Kern Caliente Canyon, 0.25 mile west of Caliente 395 Comment
  CAS-BOT-BC77599  Peritoma arborea var. globosa Ernest C. Twisselmann 1962-11-14 7999 Kern Grapevine Canyon 670 Comment
  CAS-BOT-BC78444  Pinus contorta subsp. murrayana Ernest C. Twisselmann 1963-7-10 8715 Kern Pine Flat 2164 Comment
  CAS-BOT-BC7958  Delphinium parishii subsp. parishii Ernest C. Twisselmann 1966-4-12 11859 Kern West side of the mouth of Last Chance Canyon, El Paso Range 728 Comment
  CAS-BOT-BC7959  Delphinium parishii subsp. parishii Ernest C. Twisselmann 1969-5-21 15393 Kern Steep slope below Sullivan Spring, east fork of Red Rock Canyon 792 Comment
  CAS-BOT-BC80035  Pinus sabiniana Ernest C. Twisselmann 1958-8-19 4683 Kern Breckenridge Mountain Road: Spring about 3 miles west of the Havilah Road 1463 Comment
  CAS-BOT-BC80499  Cupressus arizonica Ernest C. Twisselmann 1964-5-26 9505 Kern South side of Back Canyon (south end of Piute Mountain) 1264 Comment
  CAS-BOT-BC80943  Juniperus californica Ernest C. Twisselmann 1963-12-18 9211 Kern Don's Canyon, a fork of upper Cedar Canyon 579 Comment
  CAS-BOT-BC80947  Juniperus californica Ernest C. Twisselmann 1970-5-6 16451 Kern Cache Creek, 7 miles northwest of Mojave 1203 Comment
  CAS-BOT-BC81798  Ephedra nevadensis Ernest C. Twisselmann 1958-4-17 4265 Kern Rand Mountains: about 5.5 miles southeast of Randsburg 1127 Comment
  CAS-BOT-BC81941  Ephedra viridis Ernest C. Twisselmann 1954-4-9 1025 Kern Cedar Canyon: 3 miles south of Bitterwater Road 670 Comment
  CAS-BOT-BC81949  Ephedra viridis Ernest C. Twisselmann 1961-7-26 6353 Kern Bull Run Creek, about 1.5 mile west of Kern River 1066 Comment
  CAS-BOT-BC81960  Ephedra viridis Ernest C. Twisselmann 1959-6-2 5315 Kern Near the summit of Frazier Valley 1737 Comment
  CAS-BOT-BC83050  Eschscholzia minutiflora Ernest C. Twisselmann 1958-4-17 4334 Kern Mojave Desert. Mojave-Randsburg Region. North slope of Soledad Mountain. 1005 Comment
  CAS-BOT-BC83068  Eschscholzia minutiflora Ernest C. Twisselmann 1966-4-12 11862 Kern Mojave Desert. Mojave-Randsburg Region. Last Chance Canyon, El Paso Range. 731 Comment
  CAS-BOT-BC83076  Eschscholzia minutiflora Ernest C. Twisselmann 1969-5-21 15444 Kern Mojave Desert. Red Rock Canyon. Head of the canyon on the old highway (Abbott Road). 853 Comment
  CAS-BOT-BC83306  Myosurus minimus Ernest C. Twisselmann 1954-3-13 910 Kern Temblor Range and the Western San Joaquin Valley. Alkali Sink. 9 miles north of Lost Hills. Comment
  CAS-BOT-BC85443  Juniperus californica Ernest C. Twisselmann 1963-12-18 9211 Kern Don's Canyon, a fork of upper Cedar Canyon - Temblor Range and the Western San Joaquin Valley 579 Comment
  CAS-BOT-BC85444  Juniperus californica Ernest C. Twisselmann 1964-5-26 9508 Kern Back Canyon, at the cypress grove - Tehachapi-Kernville Region 1264 Comment
  CAS-BOT-BC86873  Quercus douglasii Ernest C. Twisselmann 1963-6-3 8293 Kern Neasons Flat, San Emigdio Range 975 Comment
  CAS-BOT-BC86874  Quercus douglasii Ernest C. Twisselmann 1964-7-23 9772 Kern Glennville-Greenhorn Road, 0.4 mile E of the National Forest Boundary 1402 Comment
  CAS-BOT-BC86880  Quercus douglasii Ernest C. Twisselmann 1965-10-5 11683 Kern Don's Canyon, a fork of upper Cedar Canyon 548 Comment
  CAS-BOT-BC86886  Quercus douglasii Ernest C. Twisselmann 1966-6-8 12330 Kern N end of Brites Valley 1280 Comment
  CAS-BOT-BC8715  Delphinium gypsophilum Ernest C. Twisselmann 1954-5-5 1251 Kern Temblor Mountains; slopes 1 mile west of Temblor Ranch 701 Comment
  CAS-BOT-BC8717  Delphinium gypsophilum Ernest C. Twisselmann 1958-3-26 4204 Kern Mon Creek, 2.9 miles south of Poso Creek 304 Comment
  CAS-BOT-BC8829  Delphinium gracilentum Ernest C. Twisselmann 1961-5-23 6167 Kern Tejon Ranch; El Paso Canyon, about 0.5 miles below the Meadows Place 1066 Comment
  CAS-BOT-BC88348  Thysanocarpus curvipes Ernest C. Twisselmann 1959-4-1 4990 Kern Tehachapi-Kernville Region. Breckenridge Mountain. Cow Flat Creek Canyon. 914 Comment
  CAS-BOT-BC88380  Thysanocarpus curvipes Ernest C. Twisselmann 1966-5-10 12163 Kern Sierra Nevada. High slope west of Spanish Needle Creek. 1386 Comment
  CAS-BOT-BC88386  Thysanocarpus curvipes Ernest C. Twisselmann 1970-5-23 16613 Kern Sierra Nevada. Greenhorn Range. High slope south of Cedar Creek, ca. 0.75 mile above Fulton Creek. 1036 Comment
  CAS-BOT-BC88711  Lepidium acutidens Ernest C. Twisselmann 1959-4-1 5016 Kern Temblor Range and the Western San Joaquin Valley. Goose Lake. 67 Comment
  CAS-BOT-BC88713  Lepidium acutidens Ernest C. Twisselmann 1965-3-17 10466 Kern San Joaquin Valley. Kern National Wildlife Refuge. Goose Lake Canal near the south boundary of the Refuge. 68 Comment
  CAS-BOT-BC88752  Lepidium appelianum Ernest C. Twisselmann 1959-5-2 5139 Kern Tehachapi-Kernville Region. Walker Basin. 1036 Comment
  CAS-BOT-BC88756  Lepidium appelianum Ernest C. Twisselmann 1962-6-1 7253 Kern Tehachapi Mountains Region. Highline Road at the southwest end of Tehachapi Valley. 1295 Comment
  CAS-BOT-BC88910  Lepidium densiflorum var. densiflorum Ernest C. Twisselmann 1954-6-10 1345 Kern Temblor Range and the Western San Joaquin Valley. Temblor Ranch. Western Kern county. 563 Comment
  CAS-BOT-BC88974  Lepidium dictyotum Ernest C. Twisselmann 1955-3-15 1726 A Kern Temblor Range and the Western San Joaquin Valley. Goose Lake alkaline sink. 82 Comment
  CAS-BOT-BC88977  Lepidium dictyotum Ernest C. Twisselmann 1962-4-11 6922 Kern Mojave Desert. Mojave-Randsburg Region. Red Rock Canyon, about 0.75 mile below Ricardo. 662 Comment
  CAS-BOT-BC88979  Lepidium dictyotum Ernest C. Twisselmann 1965-3-17 10455 Kern San Joaquin Valley. The Kern National Wildlife Refuge. Canal at the southern end of the Refuge. 68 Comment
  CAS-BOT-BC88982  Lepidium dictyotum Ernest C. Twisselmann 1965-3-17 10467 Kern San Joaquin Valley. The Kern National Wildlife Refuge. Goose Lake Canal near the south boundary of the Refuge. 68 Comment
  CAS-BOT-BC89395  Lepidium fremontii Ernest C. Twisselmann 1956-4-20 2684 Kern Tehachapi-Kernville Region. Jawbone Canyon. 739 Comment
  CAS-BOT-BC89574  Lepidium lasiocarpum Ernest C. Twisselmann 1966-4-13 11831 Kern Mojave Desert. Mojave-Randsburg Region. Plains east of Ridgecrest, along County Line Road. 719 Comment
  CAS-BOT-BC89577  Lepidium lasiocarpum Ernest C. Twisselmann 1966-4-12 11866 Kern Mojave Desert. Mojave-Randsburg Region. Last Chance Canyon, El Paso Range. 731 Comment
  CAS-BOT-BC89579  Lepidium lasiocarpum Ernest C. Twisselmann 1966-4-12 11907 Kern Mojave Desert. Mojave-Randsburg Region. East fork of Red Rock Canyon. 822 Comment
  CAS-BOT-BC89924  Lepidium nitidum Ernest C. Twisselmann 1965-5-6 10715 Kern Mojave Desert. Mojave-Randsburg Region. Red Rock Canyon. 762 Comment
  CAS-BOT-BC90544  Artemisia dracunculus E. C. Twisselmann 1966-9-8 12773 Kern Canyon southwest of the Y Camp in upper San Emigdio Canyon 1767 Comment
  CAS-BOT-BC91683  Platystemon californicus Ernest C. Twisselmann 1955-3-5 1683 Kern Temblor Range and the Western San Joaquin Valley. Shale Hills, 7 miles west of Blackwell's Corner. 365 Comment
  CAS-BOT-BC91691  Platystemon californicus Ernest C. Twisselmann 1957-4-30 3445 Kern Tehachapi-Kernville Region. Piute Mountains: Erskine Creek. 981 Comment
  CAS-BOT-BC91697  Platystemon californicus Ernest C. Twisselmann 1959-4-25 5100 Kern Sierra Nevada. Greenhorn Range. Blue Mountain foothills, about 7 miles northwest of Glennville. 967 Comment
  CAS-BOT-BC91710  Platystemon californicus Ernest C. Twisselmann 1964-5-15 9399 Kern Sierra Nevada. Greenhorn Range. Rankin Flat at the east base of Blue Mountain. 972 Comment
  CAS-BOT-BC92622  Clematis ligusticifolia Ernest C. Twisselmann 1965-6-18 11033 Kern San Emigdio Range and the Mount Pinos Region. Potrero in upper San Emigdio Canyon. 762 Comment
  CAS-BOT-BC9264  Erythranthe sierrae Ernest C. Twisselmann 1962-6-1 7230 Kern Northwest slope on Tehachapi Peak. 1981 Comment
  CAS-BOT-BC92889  Ribes californicum var. californicum Ernest C. Twisselmann 1955-3-13 1709 Kern Temblor Range and the Western San Joaquin Valley. Messa Canyon, near Messa Spring, Temblor Mountains. 944 Comment
  CAS-BOT-BC93162  Platanus racemosa Ernest C. Twisselmann 1957-4-30 3442 Kern Tehachapi-Kernville Region. Piute Mountains. Erskine Creek. 981 Comment
  CAS-BOT-BC93370  Ribes cereum Ernest C. Twisselmann 1955-6-23 2218 Kern San Emigdio Range. Summit of Mount Abel. 2533 Comment
  CAS-BOT-BC93376  Ribes cereum Ernest C. Twisselmann 1962-6-22 7303 Kern Tehachapi-Kernville Region. Piute Mountains. Woolstaff Meadow. 2270 Comment
  CAS-BOT-BC93506  Artemisia tridentata subsp. tridentata Ernest C. Twisselmann 1955-10-21 2494 Kern Tehachapi-Kernville Region - Piute Mountains: Claraville forest road, 2 miles southeast of the Bodfish-Havilah Highway 1359 Comment
  CAS-BOT-BC93560  Artemisia tridentata subsp. tridentata Ernest C. Twisselmann 1964-7-24 9884 Kern Sierra Nevada, Kern Plateau - Pine Flat 2164 Comment
  CAS-BOT-BC93575  Artemisia tridentata subsp. tridentata Ernest C. Twisselmann 1963-6-3 8315 Kern San Emigdio Range and the Mt. Pinos Region - fork of Pleito Canyon along the road to Salt Creek 883 Comment
  CAS-BOT-BC94318  Quercus garryana Ernest C. Twisselmann 1957-8-13 4000 Kern Tehachapi Mountains: Summit of Cottonwood Creek, below White Oak Lodge (Mohave drainage) 1402 Comment
  CAS-BOT-BC94324  Quercus garryana var. breweri Ernest C. Twisselmann 1958-8-13 4635 Kern Greenhorn Pass Road, 3 miles E of Fulton Ranger Station 1280 Comment
  CAS-BOT-BC94720  Quercus john-tuckeri Ernest C. Twisselmann 1965-6-18 11024 Kern San Emigdio Range and the Mt. Pinos Region. Pleito Ridge 1143 Comment
  CAS-BOT-BC94743  Quercus john-tuckeri Ernest C. Twisselmann 1963-6-25 8487 Kern Messa Ridge 800 Comment
  CAS-BOT-BC94744  Quercus john-tuckeri Ernest C. Twisselmann 1966-7-13 12570 Kern San Emigdio Range and the Mt. Pinos Region. County Park Headquarters near Apache Saddle 1920 Comment
  CAS-BOT-BC95375  Bowlesia incana Ernest C. Twisselmann 1964-4-25 9258 Kern S side of Howling Gulch, 3 miles SE of Woody 822 Comment
  CAS-BOT-BC9588  Mimulus montioides Ernest C. Twisselmann 1963-7-9 8599 Kern Slope on the southwest side of Black Mountain Saddle 1844 Comment
  CAS-BOT-BC9589  Mimulus montioides Ernest C. Twisselmann 1963-7-10 8674 Kern Fork of Cannell Creek on Pine Flat 2164 Comment
  CAS-BOT-BC9594  Mimulus montioides Ernest C. Twisselmann 1965-7-27 11211 Kern Mill Creek at Breckenridge Mountain Road. 2072 Comment
  CAS-BOT-BC9683  Mimulus androsaceus Ernest C. Twisselmann 1961-5-4 6093 Kern Eugene Grade, The Greenhorn Range 1127 Comment
  CAS-BOT-BC9728  Mimulus barbatus Ernest C. Twisselmann 1966-6-24 12462 Kern Bartolas Cree, near its summit. 2118 Comment
  CAS-BOT-BC98304  Symphyotrichum subulatum var. parviflorum Ernest C. Twisselmann 1968-8-22 14896 Kern San Joaquin Valley - Jerry Slough at the Tracy Ranch (UC Public Health study area). 91 Comment
  CAS-BOT-BC98333  Symphyotrichum subulatum var. parviflorum Ernest C. Twisselmann 1969-10-16 16296 Kern San Joaquin Valley - Adobe Road, 1.8 mile south of Bear Mountain Boulevard. 91 Comment
  CAS-BOT-BC98334  Symphyotrichum subulatum var. parviflorum Ernest C. Twisselmann 1963-9-6 8962 Kern San Joaquin Valley - Lake Wooloomes, near Delano 114 Comment
  CAS-BOT-BC98726  Baccharis douglasii Ernest C. Twisselmann 1953-11-11 821 Kern Temblor Range and Western San Joaquin Valley - Santos Canyon, Temblor Mountains; western Kern County 457 Comment
  CAS-BOT-BC98775  Baccharis douglasii Ernest C. Twisselmann 1965-6-18 11046 Kern San Emigdio Range and teh Mt. Pinos Region - Potrero in upper San Emigdio Canyon 762 Comment
  CAS-BOT-BC98988  Symphyotrichum eatonii Ernest C. Twisselmann 1964-9-16 10192 Kern Tehachapi-Kernville Region - North end of French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC99283  Artemisia tridentata subsp. vaseyana Ernest C. Twisselmann 1958-8-8 4597 Kern Tehachapi-Kernville Region - Tejon Ranch: divide between upper Tunis Canyon & Lecheria Canyon (San Joaquin & 1859 Comment
  CAS-BOT-BC99682  Baccharis salicifolia Ernest C. Twisselmann 1963-4-18 8072 Kern San Emigdio Canyon 518 Comment
  CAS-BOT-BC99738  Baccharis salicifolia Ernest C. Twisselmann 1962-11-14 7961 Kern Buena Vista Plains, ca. 3 miles southwest of the end of Hill Road 60 Comment
  CAS-BOT-BC99863  Baccharis sergiloides Ernest C. Twisselmann 1964-5-6 9326 Kern Alphie Spring (in a fork of Jawbone Canyon) 1082 Comment
  JEPS18647  Ericameria teretifolia Ernest C. Twisselmann 1955-10-21 2483 Kern 1.8 mi w of Butterbread Spring (Kelso Valley Road); Tehachapi-Kernville Region 1463 Comment
  JEPS18658  Ambrosia salsola Ernest C. Twisselmann 1955-3-15 1718 Kern near Dustin Station; Temblor Range and Western San Joaquin Valley, Elk Hills 121 Comment
  JEPS21917  Nicolletia occidentalis Ernest C. Twisselmann 1958-5-27 4540 Kern Short Canyon Sierra Nevada, Mojave drainage 1036 Comment
  JEPS22278  Castilleja minor subsp. spiralis Ernest C. Twisselmann 1958-8-19 4684 Kern about 3 mi w Havilah Road (Breckenridge Mountain Road); Tehachapi-Kernville Region 1463 Comment
  JEPS22284  Collinsia tinctoria Ernest C. Twisselmann 1958-8-19 4721 Kern 5 mi w Barrel Spring (Breckenridge Mtn Rd); Tehachapi-Kernville Region 1676 Comment
  JEPS22288  Agnorhiza ovata Ernest C. Twisselmann 1958-8-19 4694 Kern Squirrel Meadow Tehachapi-Kernville Region, Breckenridge Mountain 2072 Comment
  JEPS22295  Laennecia coulteri Ernest C. Twisselmann 1958-11-1 4930 Kern 1 mi s Cantil; Mohave-Randsburg Region, Fremont Valley 624 Comment
  JEPS22298  Bidens laevis Ernest C. Twisselmann 1958-11-1 4900 Kern canal at Cottonwood Road and DiGiorgio Road (Greenfield Region, e San Joaquin Valley); San Joaquin Valley, Greenfield Region 128 Comment
  JEPS24068  Galium bolanderi Ernest C. Twisselmann 1958-8-13 4644 Kern trail to Sunday Peak Sierra Nevada, Greenhorn Range 2316 Comment
  JEPS24076  Keckiella breviflora var. breviflora Ernest C. Twisselmann 1959-4-25 5122 Kern w slope Blue Mountain (on the Woody Ranch Road); Sierra Nevada, Greenhorn Range 662 Comment
  JEPS24096  Castilleja subinclusa subsp. subinclusa Ernest C. Twisselmann 1959-4-25 5103 Kern 2.9 mi w Greenhorn Pass (Glennville Road); Sierra Nevada, Greenhorn Range 1524 Comment
  JEPS26364  Encelia actoni Ernest C. Twisselmann 1959-5-2 5182 Kern Breckenridge Mountain Road just e of Parker Spring; Tehachapi-Kernville Region 685 Comment
  JEPS27384  Isocoma acradenia var. acradenia Ernest C. Twisselmann 1961-10-31 6691 Kern about 6 mi se Rosamund (60th Street at Avenue A); Mohave-Randsburg Region, Antelope Valley 670 Comment
  JEPS27691  Helenium bigelovii Ernest C. Twisselmann 1961-7-27 6395 Kern on the e slope Sunday Peak (Cienega); Sierra Nevada, Greenhorn Range, , Cienega 2209 Comment
  JEPS27699  Castilleja attenuata Ernest C. Twisselmann 1961-5-4 6110 Kern 2.5 mi e Granite Station (Glennville Road); Sierra Nevada 624 Comment
  JEPS27727  Hazardia whitneyi var. whitneyi Ernest C. Twisselmann 1961-7-27 6404 Kern 0.3 mi n Tiger Flat (Greenhorn Summit Road); Sierra Nevada, Greenhorn Range 1981 Comment
  JEPS28880  Mimulus fremontii var. fremontii Ernest C. Twisselmann 1962-4-9 6893 Kern 5.7 mi w Onyx; Tehachapi-Kernville Region, South Fork Valley 746 Comment
  JEPS28940  Galium hallii Ernest C. Twisselmann 1962-5-25 7197 Kern Quatal Canyon San Emigdio Range and Mt. Pinos Region 1584 Comment
  JEPS28943  Galium hallii Ernest C. Twisselmann 1962-6-22 7362 Kern n end Tehachapi-Kernville Region, Piute Mountain 2011 Comment
  JEPS28947  Lessingia pectinata var. tenuipes Ernest C. Twisselmann 1962-8-27 7711 Kern Lumbreau Creek on w slope Basket Peak; Sierra Nevada, Greenhorn Range, Lumreau Creek on w slope Bas 1127 Comment
  JEPS29195  Mimulus constrictus Ernest C. Twisselmann 1962-9-18 7741 Kern 0.25 mi below Spout Spring; Sierra Nevada, Greenhorn Range 1645 Comment
  JEPS29471  Castilleja applegatei subsp. martinii Ernest C. Twisselmann 1962-7-19 7465 Kern Lookout Point Piute Mountains, Tehachapi-Kernville Region 2529 Comment
  JEPS31067  Tanacetum parthenium Ernest C. Twisselmann 1959-11-26 5910 Kern near Annette; Western San Joaquin Valley, Temblor Range 640 Comment
  JEPS31131  Lagophylla ramosissima Ernest C. Twisselmann 1962-9-20 7899 Kern summit of Eugene Grade at Battlesnake Grade; The Greenhorn Range 1524 Comment
  JEPS31133  Senecio clarkianus Ernest C. Twisselmann 1962-9-18 7760 Kern e slope of, creek below Mountain Meadow Sunday Peak; Sierra Nevada, Greenhorn Range 2118 Comment
  JEPS31152  Hazardia squarrosa var. obtusa Ernest C. Twisselmann 1962-11-14 8000 Kern Grapevine Canyon San Emigdio Range, Mt. Pinos Region, Grapevine Canyon 670 Comment
  JEPS31163  Eriophyllum ambiguum var. paleaceum Ernest C. Twisselmann 1962-4-11 6918 Kern first n fork above the mouth of Jawbone Canyon (Tehachapi-Kernville region) 662 Comment
  JEPS31201  Tetradymia axillaris var. longispina Ernest C. Twisselmann 1962-5-7 7044 Kern 1.5 mi e Onyx (on Highway 178); Tehachapi-Kernville Region 853 Comment
  JEPS31207  Coreopsis calliopsidea Ernest C. Twisselmann 1962-4-10 6819 Kern Highway US 466 10.5 mi w Boron; Mojave Desert, Mohave-Randsburg region 655 Comment
  JEPS31211  Rafinesquia neomexicana Ernest C. Twisselmann 1962-4-10 6791 Kern El Paso Range, mouth of Iron Canyon Mojave Desert, Mojave-Randsburg Region, Iron Canyon 701 Comment
  JEPS31213  Syntrichopappus fremontii Ernest C. Twisselmann 1962-4-10 6784 Kern Government Peak Mojave Desert, Mojave-Randsburg Region, Red Mountains 1341 Comment
  JEPS31236  Coreopsis calliopsidea Ernest C. Twisselmann 1962-4-9 6869 Kern about 4 mi nw Tejon Ranch Headquarters; eastern San Joaquin Valley, Tejon Hills 388 Comment
  JEPS31266  Hieracium horridum Ernest C. Twisselmann 1962-7-19 7462 Kern Lookout Point Tehachapi-Kernville Region, Piute Mountains 2520 Comment
  JEPS31278  Collinsia torreyi var. brevicarinata Ernest C. Twisselmann 1962-6-1 7231 Kern nw slope Tehachapi Peak; Tehachapi Mtns 1981 Comment
  JEPS32594  Galium angustifolium subsp. angustifolium Ernest C. Twisselmann 1963-6-11 8402 Kern just above Richbar; Tehachapi-Kernville Region, Kern Canyon 441 Comment
  JEPS32598  Lasthenia ferrisiae Ernest C. Twisselmann 1963-4-12 8024 Kern Coles Levee at Pieri Road (e side of Kern County); San Joaquin Valley, Buena Vista Lake 91 Comment
  JEPS32603  Ericameria cooperi var. cooperi Ernest C. Twisselmann 1963-5-10 8172 Kern Willow Springs Mojave Desert, Randsburg Region, Willow Springs 899 Comment
  JEPS32607  Mimulus aurantiacus var. pubescens Ernest C. Twisselmann 1963-6-4 8373 Kern Ross Ridge Temblor Range, Western San Joaquin Valley 762 Comment
  JEPS32619  Artemisia tridentata Ernest C. Twisselmann 1963-6-3 8315 Kern Fork of Peito Canyon San Emigdio Range and Mt. Pinos Region (along road to Salt Creek) 883 Comment
  JEPS32632  Pseudobahia peirsonii Ernest C. Twisselmann 1963-4-26 8106 Kern Hugh Smith Ranch near head Pine Mountain Creek; Sierra Nevada, Greenhorn Range, near head Pine Mountain Cree 777 Comment
  JEPS32636  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1963-4-12 8057 Kern Caliente Canyon at Bena 228 Comment
  JEPS32651  Eastwoodia elegans Ernest C. Twisselmann 1963-6-3 8352 Kern San Emigdio Range, Salt Creek Canyon 777 Comment
  JEPS32653  Symphyotrichum ascendens Ernest C. Twisselmann 1963-8-30 8929 Kern French Meadow Tehachapi-Kernville Region, Piute Mountains 2072 Comment
  JEPS32763  Mimulus constrictus Ernest C. Twisselmann 1963-6-27 8554 Kern n slope Basket Peak; Sierra Nevada, Greenhorn Range 1478 Comment
  JEPS32885  Galium bolanderi Ernest C. Twisselmann 1963-7-9 8647 Kern Wofford Hwy 1.5 mi e Greenhorn Pass; Sierra Nevada, Greenhorn Range 1722 Comment
  JEPS33448  Artemisia tridentata subsp. tridentata Ernest C. Twisselmann 1963-8-8 8846 Kern Cienegas near the head of Tejon Creek; Tehachapi Mountains 1645 Comment
  JEPS33450  Mimulus cardinalis Ernest C. Twisselmann 1963-8-8 8873 Kern Tejon Creek Tehachapi Mountains 1158 Comment
  JEPS33457  Bidens frondosa Ernest C. Twisselmann 1963-9-18 9015 Kern 1 mi s of, on Weldon Road Kernville; Sierra Nevada 807 Comment
  JEPS33484  Senecio Ernest C. Twisselmann 1963-8-30 8944 Kern Rancheria Creek, at the e end of Walker Basin Tehachapi-Kernville Region, Walker Basin 1158 Comment
  JEPS35992  Ericameria nauseosa var. oreophila Ernest C. Twisselmann 1964-9-16 10207 Kern 5.8 mi e of Landers Meadow (Harris Grade, e slope of Piute Mountain); Tehachapi-Kernville Region, Piute Mountain 1706 Comment
  JEPS36001  Helianthus annuus Ernest C. Twisselmann 1964-9-29 10266 Kern Kern National Wildlife Refuge San Joaquin Valley 76 Comment
  JEPS36010  Castilleja minor subsp. spiralis Ernest C. Twisselmann 1964-10-21 10376 Kern between Rock House Basin and Rock House Meadow (South Fork of Kern River); Sierra Nevada, Kern Plateau, South Fork of Kern River 1714 Comment
  JEPS36017  Senecio Ernest C. Twisselmann 1964-9-16 10208 Kern 5.8 mi e Landers Meadow (Harris Grade, e slope of Piute Mountain); Tehachapi-Kernville Region, Piute Mountain 1706 Comment
  JEPS36044  Veronica arvensis Ernest C. Twisselmann 1964-5-15 9468 Kern nw end of Lynns Valley (on Fugitt Road); Sierra Nevada, Greenhorn Range, Lynns Valley 1005 Comment
  JEPS36050  Plantago lanceolata Ernest C. Twisselmann 1964-7-25 9965 Kern Lynns Valley, Henry Bowen Ranch Greenhorn Range, Sierra Nevada 975 Comment
  JEPS36075  Castilleja tenuis Ernest C. Twisselmann 1964-7-24 9875 Kern above Pine Flat (trail to Little Cannell Meadow); Sierra Nevada, Kern Plateau 2240 Comment
  JEPS36084  Achillea millefolium Ernest C. Twisselmann 1964-7-17 9728 Kern s side Castaic Lake; Tehachapi Mountains 1051 Comment
  JEPS36088  Mimulus primuloides subsp. primuloides Ernest C. Twisselmann 1964-7-24 9853 Kern Little Cannell Meadow Sierra Nevada, Kern Plateau 2118 Comment
  JEPS36095  Balsamorhiza deltoidea Ernest C. Twisselmann 1964-6-10 9570 Kern Tecuya Ridge San Emigdio Range, Mt. Pinos Region, Tecuya Ridge 2026 Comment
  JEPS36100  Sonchus asper Ernest C. Twisselmann 1964-5-26 9534 Kern Caliente Canyon Tehachapi-Kernville Region, Caliente Canyon 822 Comment
  JEPS36119  Micropus californicus var. californicus Ernest C. Twisselmann 1964-4-25 9265 Kern ca. 3 mi se of Woody; Sierra Nevada, the Greenhorn Range, Howling Gulch 777 Comment
  JEPS36185  Plantago erecta Ernest C. Twisselmann 1964-4-25 9261 Kern s side Howling Gulch; Sierra Nevada Range, Greenhorn Range 822 Comment
  JEPS37873  Downingia pulchella Ernest C. Twisselmann 1964-6-21 9673 Kern Bear Valley Tehachapi Mountains 1280 Comment
  JEPS37879  Deinandra arida Ernest C. Twisselmann 1964-8-22 10150 Kern Red Rock Canyon Mojave Desert, Mojave-Randsburg Region, Red Rock Canyon 701 Comment
  JEPS37880  Mimulus congdonii Ernest C. Twisselmann 1964-4-25 9230 Kern Howling Gulch at the Schwab Place Sierra Nevada Range, Greenhorn Range 792 Comment
  JEPS37891  Mimulus montioides Ernest C. Twisselmann 1964-7-24 9861 Kern above, along trail to Little Cannell Meadow Pine Flat; Sierra Nevada, Kern Plateau 2240 Comment
  JEPS41282  Cordylanthus rigidus subsp. rigidus Ernest C. Twisselmann 1965-7-4 11107 Kern near summit of Messa Ridge; Temblor Range and Western San Joaquin Valley 1005 Comment
  JEPS41286  Collinsia heterophylla Ernest C. Twisselmann 1965-6-4 10992 Kern w slope Basket Peak; Sierra Nevada, The Greenhorn Range Comment
  JEPS41352  Galium parisiense Ernest C. Twisselmann 1965-7-29 11387 Kern w side of valley on Fugitt Rd Sierra Nevada, Greenhorn Range, Lynns Valley 960 Comment
  JEPS51952  Isocoma acradenia var. bracteosa Ernest C. Twisselmann 1965-10-5 11679 Kern Don's Canyon, a fork of upper Cedar Canyon Temblor Range and Western San Joaquin Valley, Cedar Canyon 548 Comment
  JEPS51956  Anthemis cotula Ernest C. Twisselmann 1965-8-20 11547 Kern French Ranch, on Rattlesnake Grade The Greenhorn Range 1371 Comment
  JEPS52003  Stephanomeria pauciflora Ernest C. Twisselmann 1965-7-29 11393 Kern 1.5 mi w Highway 46 (Bitterwater Road); Western San Joaquin Valley, Temblor Range, Antelope Plains 289 Comment
  JEPS52017  Stephanomeria pauciflora Ernest C. Twisselmann 1965-7-6 11167 Kern just w Hart Flat (Bakersfield Highway); Tehachapi Mountains 792 Comment
  JEPS52048  Malacothrix saxatilis var. tenuifolia Ernest C. Twisselmann 1965-7-27 11267 Kern East slope Breckenridge Mountain; Tehachapi-Kernville Region. 1615 Comment
  JEPS52050  Pedicularis semibarbata Ernest C. Twisselmann 1965-7-27 11254 Kern 0.5 mi e of Breckenridge Public Camp (ne slope of Breckenridge Mountain); Tehachapi-Kernville Region, Breckenridge Mountain 2065 Comment
  JEPS52062  Layia pentachaeta subsp. pentachaeta Ernest C. Twisselmann 1965-4-14 10519 Kern w slope of Breckenridge; Parker Creek 685 Comment
  JEPS52075  Eriophyllum ambiguum var. paleaceum Ernest C. Twisselmann 1965-6-3 10908 Kern head of Spanish Needle Creek; Sierra Nevada, Spanish Needle Creek 1417 Comment
  JEPS52084  Erigeron philadelphicus var. philadelphicus Ernest C. Twisselmann 1965-6-4 11000 Kern at the Stone Corral (Cedar Creek); Sierra Nevada, The Greenhorn Range, Cedar Creek 853 Comment
  JEPS52100  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1965-4-26 10607 Kern Adobe Knoll at head of Adobe Canyon; Sierra Nevada, Greenhorn Range 502 Comment
  JEPS52101  Anisocoma acaulis Ernest C. Twisselmann 1965-5-6 10770 Kern just s of (plain) Harts Station; Mojave Desert, Mojave-Randsburg Region, Indian Wells Valley 975 Comment
  JEPS52107  Eriophyllum ambiguum var. ambiguum Ernest C. Twisselmann 1965-4-14 10516 Kern w slope of Breckenridge Mountain (Tehachapi-Kernville region) 777 Comment
  JEPS52110  Ericameria linearifolia Ernest C. Twisselmann 1966-5-20 12299 Kern w slope Kain Peak; Tehachapi-Kernville region 1737 Comment
  JEPS52111  Castilleja applegatei subsp. pinetorum Ernest C. Twisselmann 1966-5-20 12279 Kern e of Keene (spring at the w end of Tollgate Ridge); Tehachapi-Kernville Region, Tollgate Ridge 1754 Comment
  JEPS52113  Coreopsis bigelovii Ernest C. Twisselmann 1966-5-20 12285 Kern Tollgate Ridge (mountains e of) Keene; Tollgate Ridge 1783 Comment
  JEPS52132  Ericameria cooperi var. cooperi Ernest C. Twisselmann 1966-4-26 11996 Kern s side Galeleo Hill (s of the w end of the Rand Mountains); Mohave Desert, Rand Mountains 1005 Comment
  JEPS52145  Eriophyllum ambiguum var. paleaceum Ernest C. Twisselmann 1966-4-12 11860 Kern w side of the mouth of Last Chance Canyon (Mojave-Randsburg region); Mojave Desert, El Paso Range, Last Chance Canyon 728 Comment
  JEPS52162  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1966-9-8 12779 Kern Cuddy Valley San Emigdio Range, Mt. Pinos Region, Cuddy Valley 1645 Comment
  JEPS52166  Ericameria nauseosa Ernest C. Twisselmann 1966-9-8 12791 Kern 1.5 mi se of Fort Tejon; Tehachapi Mountains, Castaic Valley 1036 Comment
  JEPS52178  Heterotheca grandiflora Ernest C. Twisselmann 1966-8-26 12751 Kern Poso Creek at the mouth of Sand Canyon, Kern County e side San Joaquin Valley, Sand Canyon, Poso Creek 213 Comment
  JEPS52185  Cordylanthus rigidus subsp. rigidus Ernest C. Twisselmann 1966-9-8 12759 Kern 0.5 mi nw Valle Vista Public Camp (Mt. Abel Rd.); San Emigdio Range and the Mount Pinos Region 1508 Comment
  JEPS52188  Senecio Ernest C. Twisselmann 1966-9-8 12766 Kern e fork of upper Sna Emigdio Canyon Mt. Pinos Region, San Emigdio Range, San Emigdio Canyon 1668 Comment
  JEPS52216  Galium hallii Ernest C. Twisselmann 1966-5-11 12187 Kern rim of Plateau above South Fork Canyon; Sierra Nevada, Kern Plateau, Bartolas Country 2164 Comment
  JEPS52224  Galium hallii Ernest C. Twisselmann 1966-6-9 12353 Kern Champagne Spring Tehachapi Mountains, Cache Peak (nw flank of peak, base of tall cliff) 1737 Comment
  JEPS52231  Galium bolanderi Ernest C. Twisselmann 1966-6-23 12380 Kern trail to Sunday Peak Sierra Nevada, Greenhorn Range (w slope) 2377 Comment
  JEPS52233  Gnaphalium palustre Ernest C. Twisselmann 1966-6-9 12365 Kern Champagne Spring on the nw shoulder of Cache Peak (in a sunny opening in a dense colony of canyon live oaks); Tehachapi - Kernville Region, , Champagne Spring 1737 Comment
  JEPS52256  Artemisia dracunculus Ernest C. Twisselmann 1966-7-5 12558 Kern Basque Encina Tehachapi Mountains 1356 Comment
  JEPS54413  Tetradymia axillaris var. longispina Ernest C. Twisselmann 1967-6-27 13483 Kern Sacatar Meadows Sierra Nevada, Kern Plateau 1950 Comment
  JEPS54444 Image available Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1967-9-19 13730 Kern Tehachapi-Kernville Region, Scodie Mountain, Horse Canyon Comment
  JEPS54445  Senecio Ernest C. Twisselmann 1967-9-19 13736 Kern Horse Canyon Techachapi-Kernville Region, Scodie Mountains 1767 Comment
  JEPS54450  Penstemon incertus Ernest C. Twisselmann 1967-9-19 13721 Kern Summit ridge of Scodie (Kiahvah) Mountain Tehachapi-Kernville Region, Scodie (Kiahvah) Mountain 1950 Comment
  JEPS60776  Gutierrezia microcephala Ernest C. Twisselmann 1969-10-16 16304 Kern below Ricardo (in main w fork of Red Rock canyon,); Mojave Desert, Red Rock Canyon 792 Comment
  JEPS60870  Chaenactis carphoclinia var. carphoclinia Ernest C. Twisselmann 1969-5-21 15399 Kern east fork of Red Rock Canyon Mojave Desert, Red Rock Canyon 792 Comment
  JEPS68273  Nemacladus twisselmannii Ernest C. Twisselmann and Jack Zaninovich 1971-7-13 17981 Kern sw of Pine Flat (rim of the Kern Plateau); Sierra Nevada, Kern Plateau 2240 Comment
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Feb 15 2008
  JEPS68299  Hieracium horridum Ernest C. Twisselmann 1971-7-15 17881 Kern North Fork of the Head of Bartolas Creek Sierra Nevada, Kern Plateau, Bartolas Creek 2011 Comment
  JEPS68300  Deinandra pallida Ernest C. Twisselmann 1971-7-5 17809 Kern Acousta Spring at head Devil's Water Canyon; Temblor Range and the Western San Joaquin Valley 871 Comment
  LA36885  Malacothamnus orbiculatus Ernest C. Twisselmann; 1960-3-26 7421 Kern San Joaquin Valley, Agua Media Canyon 563 Comment
  NY762728  Salix melanopsis E. C. Twisselmann 1961-7-27 6437 Kern Kern River, 0.5 mile below Kernville 803.1 Comment
  OBI9060  Tamarix ramosissima Ernest C. Twisselmann 1954-5-20 1285 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough alklaki sink: near Shafter Hwy Bridge 76 Comment
  POM216650  Delphinium purpusii E. C. Twisselmann 1970-5-7 16511 Kern Fairview, Kern Canyon (across the hwy from the general store) 1067 Comment
  RSA114306  Cyperus erythrorhizos Ernest C. Twisselmann 1954-9-26 1587 Kern Tupman Highway, 2 miles south of Buttonwillow. 91 Comment
  RSA115604  Vulpia microstachys var. ciliata E. C. Twisselmann 1955-5-22 2015 Kern Temblor Grade, 10.9 miles west of McKittrick 762 Comment
  RSA115641  Androsace elongata subsp. acuta E. C. Twisselmann 1955-3-5 1684 Kern Temblor Range and the Western San Joaquin Valley: Packwood Canyon, 8 miles west of Blackwell's Corner. 366 Comment
  RSA115721  Perideridia pringlei E. C. Twisselmann 1955-6-23 2193 Kern Mt. Abel Rd., 7.8 miles south of Grocer Grade summit 1448 Comment
  RSA115729  Ribes cereum E. C. Twisselmann 1955-6-23 2218 Kern Summit of Mt. Abel. 2534 Comment
  RSA116511  Amaranthus palmeri E. C. Twisselmann 1954-9-26 s.n. Kern Tupman Highway, 1 miles south of Buttonwillow. 91 Comment
  RSA116553  Malacothamnus orbiculatus E. C. Twisselmann 1954-7-20 1460 Kern Chico Martinez Hills Road: 1 mile west of South Belridge. 213 Comment
  RSA118187  Gilia latiflora subsp. davyi E. C. Twisselmann 1957-4-10 3389 Kern 11.3 miles northwest of Boron 716 Comment
  RSA118191  Gilia cana subsp. speciosa E. C. Twisselmann 1957-5-10 3502 Kern E Fork of Red Rock Canyon 701 Comment
  RSA118193  Gilia cana subsp. speciosa E. C. Twisselmann 1957-5-10 3529 Kern East fork of Red Rock Canyon. 724 Comment
  RSA118199  Gilia latiflora subsp. elongata E. C. Twisselmann 1957-4-10 3346 Kern Trona Hwy at Searles Station 1037 Comment
  RSA119037  Gilia latiflora subsp. davyi E. C. Twisselmann 1958-4-17 4304 Kern 6 miles east of Mojave 846 Comment
  RSA128234  Gilia leptantha subsp. purpusii E. C. Twisselmann 1959-6-18 5389 Kern Breckenridge Mountain: woods about 1 mile south of Golf Meadow. 1829 Comment
  RSA161669  Gilia brecciarum subsp. neglecta E. C. Twisselmann 1962-4-10 6772 Kern Hwy 6, 14.9 miles north of Mojave 701 Comment
  RSA162512  Hemizonia pallida E. C. Twisselmann 1963-4-12 8030 Kern Mesa on S side of the mouth of Tejon Creek. 221 Comment
  RSA162524  Galium bolanderi E. C. Twisselmann 1963-6-11 8424 Kern Erskine Creek. 1220 Comment
  RSA162528  Eriophyllum confertiflorum E. C. Twisselmann 1963-6-11 8468 Kern Greenhorn Pass raod 2.9 miles W of Wofford 1090 Comment
  RSA162531  Pogogyne douglasii E. C. Twisselmann 1963-6-11 8474 Kern 1 mile west of Glennville 915 Comment
  RSA162539  Ericameria cooperi E. C. Twisselmann 1963-6-3 8346 Kern Salt Creek Canyon, San Emigdio Range 1029 Comment
  RSA162552  Quercus douglasii E. C. Twisselmann 1963-6-3 8293 Kern Neasons Flat, San Emigdio Range 976 Comment
  RSA162556  Isopyrum occidentale E. C. Twisselmann 1963-6-3 8329 Kern Black Bob Canyon, just above the mouth of Bradley Canyon, big cone spurce white fire association 1364 Comment
  RSA162560  Limnanthes montana E. C. Twisselmann 1963-5-17 8247 Kern High slope 1 mile east of Poso Creek Narrows. 762 Comment
  RSA162563  Camissonia kernensis subsp. kernensis E. C. Twisselmann 1963-5-11 8178 Kern Horse Canyon, Scodie (Kiavah) Mountain. 1616 Comment
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Jul 20 2012
  RSA164058  Monardella candicans E. C. Twisselmann 1963-6-27 8491 Kern Greenhorn Mountain Range: Farnsworth Ranch, 2 miles south of Glennville 884 Comment
  RSA164079  Malacothamnus orbiculatus E. C. Twisselmann 1963-8-8 8861 Kern Canyon just south of Cottonwood Canyon, Mojave drainage. 1494 Comment
  RSA164080  Garrya flavescens subsp. flavescens E. C. Twisselmann 1963-8-8 8860 Kern Ridge southwest of Cottonwood Creek (Mojave drainage) 1463 Comment
  RSA164104  Lupinus elatus E. C. Twisselmann 1963-8-30 8939 Kern Piute Mountain: Walker Basin Road, 0.5 miles below Horn Brothers Sawmill 2378 Comment
  RSA164108  Viola sheltonii E. C. Twisselmann 1963-6-27 8551 Kern North slope of Basket Peak. Stems lax, petals white. Growing in good shallow loam over shallow granite on a shaded north slope. 1479 Comment
  RSA164118  Ephedra viridis E. C. Twisselmann 1963-12-18 9212 Kern Don's Canyon, a fork of upper Cedar Canyon 579 Comment
  RSA164141  Machaeranthera carnosa E. C. Twisselmann 1963-9-19 9047 Kern Bear Mtn Blvd, 3 miles W of Arvin. 107 Comment
  RSA164143  Cordylanthus rigidus subsp. brevibracteatus E. C. Twisselmann 1963-9-18 9032 Kern Head of Fay Canyon. 1250 Comment
  RSA164170  Festuca occidentalis E. C. Twisselmann 1963-7-9 8598 Kern On the southwest side of Black Mountain Saddle 1845 Comment
  RSA169160  Eriogonum gracillimum E. C. Twisselmann 1964-5-6 9314 Kern Head of Alphie Spring fork of Jawbone Canyon. 1220 Comment
  RSA169201  Coleogyne ramosissima E. C. Twisselmann 1964-5-6 9313 Kern Tehachapi-Kernville Region, Alphie Spring fork of Jawbone Canyon. 1098 Comment
  RSA169207  Juniperus californica E. C. Twisselmann 1964-5-26 9508 Kern Tehachapi-Kernville Region: Back Canyon, at the cypress grove 1265 Comment
  RSA169210  Carex praegracilis Ernest C. Twisselmann 1964-5-26 9523 Kern East end of Walker Basin. 1189 Comment
  RSA172774  Senecio douglasii var. monoensis E. C. Twisselmann 1964-9-16 10208 Kern East slope of Piute Mountain, Harris Grade, 5.8 miles east of Landers Meadow 1707 Comment
  RSA172784  Grindelia robusta E. C. Twisselmann 1964-8-22 10167 Kern Monolith 1203 Comment
  RSA172785  Stillingia paucidentata E. C. Twisselmann 1964-8-22 10151 Kern Red Rock Canyon 701 Comment
  RSA172788  Hemizonia arida E. C. Twisselmann 1964-8-22 10150 Kern Red Rock Canyon 701 Comment
  RSA172825  Trifolium variegatum E. C. Twisselmann 1964-7-24 9870 Kern Trail to Little Cannell meadow above Pine flat. 2195 Comment
  RSA172830  Juncus balticus subsp. ater Ernest C. Twisselmann 1964-7-17 9733 Kern Tehachapi Mountains. Cienega above south side of Castaic Lake. 1052 Comment
  RSA179945  Galium angustifolium subsp. onycense E. C. Twisselmann 1965-6-3 10911 Kern Head of Spanish Needle Creek 1418 Comment
  RSA179951  Fremontodendron californicum E. C. Twisselmann 1965-6-23 11069 Kern Tehachapi Mountains. South side of the head of Sacratarius Canyon. 1883 Comment
  RSA179959  Mimulus pictus E. C. Twisselmann 1965-4-29 10594 Kern Granite Road, near the old Granite School 808 Comment
  RSA179978  Cleomella obtusifolia E. C. Twisselmann 1965-5-5 10778 Kern Between Buckhorn and Rogers Lake, Edwards AFB 732 Comment
  RSA179994  Mirabilis laevis var. villosa E. C. Twisselmann 1965-5-18 10839 Kern Southeast end of Buckhorn Lake, Edwards Air Force Base. 747 Comment
  RSA179998  Calochortus striatus Ernest C. Twisselmann 1965-5-18 10814 Kern Dunes at the southwest end of Rogers Lake, Edwards Air Force Base. 732 Comment
  RSA180012  Endolepis covillei E. C. Twisselmann 1965-5-5 10707 Kern Dunes at the south end of Rogers Lake, Edwards Air Force Base. 747 Comment
  RSA180024  Catalpa bignonioides E. C. Twisselmann 1965-6-3 10938 Kern South Fork Valley: Cottage Grove Cemetary. 854 Comment
  RSA180025  Galium angustifolium subsp. onycense E. C. Twisselmann 1965-6-3 10924 Kern [Unspecified] 1197 Comment
  RSA180028  Limnanthes montana E. C. Twisselmann 1965-6-4 10960 Kern Wagy Creek at the Wagy Flat Road. 1235 Comment
  RSA180030  Rigiopappus leptocladus E. C. Twisselmann 1965-6-3 10953 Kern Hill east of Bodfish Gap (northwest end of Piute Mountain) 1235 Comment
  RSA180031  Perideridia pringlei E. C. Twisselmann 1965-6-3 10952 Kern East of Bodfish Gap (NW end of Piute Mountain) 1235 Comment
  RSA180033  Nemophila pulchella E. C. Twisselmann 1965-6-4 10988 Kern North slope of Basket Peak, 1555 Comment
  RSA180619  Allophyllum gilioides E. C. Twisselmann 1965-3-21 10489 Kern Alec Cook Rocks, Cedar Canyon. 762 Comment
  RSA180636  Allophyllum violaceum E. C. Twisselmann 1963-6-27 8518 Kern Greenhorn Range: northeast flank of Hatchet Peak. 1860 Comment
  RSA180862  Pinus lambertiana E. C. Twisselmann 1965-7-6 11127 Kern North slope of Tehachapi Peak 2073 Comment
  RSA180874  Pogogyne douglasii E. C. Twisselmann 1965-7-29 11386 Kern Greenhorn Mountain Range: West side of Lynns Valley on Fugitt Road. 960 Comment
  RSA180907  Phacelia exilis E. C. Twisselmann 1965-7-28 11322 Kern Fork of Cannell Creek, southeast of Pine Flat. 2256 Comment
  RSA180913  Navarretia jaredii E. C. Twisselmann 1965-7-4 11109 Kern Summit between Black Canyon and Messa Ridge 1098 Comment
  RSA180945  Collinsia callosa E. C. Twisselmann 1965-7-6 11115 Kern North slope of Tehachapi Peak, Jeffrey pine forest. 2134 Comment
  RSA180951  Cyperus esculentus Ernest C. Twisselmann 1965-10-1 11666 Kern Cedar Creek, 0.5 mile below the mouth of Lumreau Creek. 762 Comment
  RSA180959  Isocoma acradenia var. bracteosa E. C. Twisselmann 1965-10-5 11679 Kern Don's Canyon, a fork of upper Cedar Canyon 549 Comment
  RSA180985  Gnaphalium beneolens E. C. Twisselmann 1965-10-1 11675 Kern Cedar Creek gorge, just below the stone corral 854 Comment
  RSA180994  Navarretia peninsularis E. C. Twisselmann 1965-7-27 11241 Kern Meadow at Breckenridge Public Camp 2066 Comment
  RSA180998  Atriplex coronata var. coronata E. C. Twisselmann 1965-9-19 11602 Kern public hunting area. 65 Comment
  RSA181020  Arenaria macradenia subsp. macradenia E. C. Twisselmann 1965-7-28 11327 Kern Ridge southeast of Pine Flat. 2378 Comment
  RSA181046  Agastache urticifolia E. C. Twisselmann 1965-7-27 11178 Kern Tehachapi-Kernville Region, Breckenridge Mountain Road, at south fork of Upper Lucus Creek. 1875 Comment
  RSA181587  Hazardia stenolepis E. C. Twisselmann 1965-10-5 11680 Kern Don's Canyon, a fork of upper Cedar Canyon. Plants of the Temblor Range and Western San Joaquin Valley. 549 Comment
  RSA183757  Orochaenactis thysanocarpha E. C. Twisselmann 1965-7-28 11337 Kern Fork of Cannell Creek southeast of Pine Flat. 2287 Comment
  RSA186882  Heterotheca sessiliflora subsp. echioides E. C. Twisselmann 1966-9-8 12779 Kern Cuddy Valley 1646 Comment
  RSA186886  Cuscuta californica E. C. Twisselmann 1966-8-26 12742 Kern Poso Creek, 0.5 mile southewest of the jct. of the Granite and Woody roads 823 Comment
  RSA186923  Gilia cana subsp. speciosa E. C. Twisselmann 1966-4-12 11908 Kern East fork of Red Rock Canyon. 808 Comment
  RSA186927  Gilia malior E. C. Twisselmann 1966-4-12 11881 Kern At the head of Last Chance Canyon (near Gerbracht Camp), El Paso Range 899 Comment
  RSA186942  Bromus catharticus E. C. Twisselmann 1966-4-27 12043 Kern Farmlands north of North Edwards along a small irrigation canal along an alfalfa field; 762 Comment
  RSA186946  Galium bolanderi E. C. Twisselmann 1966-5-20 12316 Kern Tweedy Canyon, east of Keene. 1540 Comment
  RSA186968  Lotus nevadensis E. C. Twisselmann 1966-6-23 12403 Kern Greenhorn Mountain Park (just above Alta Sierra Lodge) 1784 Comment
  RSA186986  Lotus procumbens E. C. Twisselmann 1966-6-9 12368 Kern Noonday Rest (divide between Horse and Pine Tree Canyons) 1524 Comment
  RSA187016  Pholistoma membranaceum E. C. Twisselmann 1966-4-6 11772 Kern Gordon Gulch (in the low hills northwest of Woody) 389 Comment
  RSA187024  Stellaria longipes E. C. Twisselmann 1966-6-25 12460 Kern Bartolas Creek, near its summit 2119 Comment
  RSA187037  Adenostoma fasciculatum var. fasciculatum E. C. Twisselmann 1966-7-5 12539 Kern Slope east of the mouth of Canyon de la Lecheria 1341 Comment
  RSA187056  Stachys albens E. C. Twisselmann 1966-7-13 12614 Kern Small artificial pond just NE of Iris Point on the spur road. 2470 Comment
  RSA187063  Cordylanthus eremicus subsp. kernensis E. C. Twisselmann 1966-8-3 12642 Kern Summit ridge of Bald Mountain. Comment
  RSA187069  Ribes roezlii E. C. Twisselmann 1966-5-20 12261 Kern West side of the summit of Tweedy Canyon (Mtns E of Keene). 1677 Comment
  RSA187106  Rhamnus tomentella subsp. tomentella E. C. Twisselmann 1966-5-20 12230 Kern High slope 2.5 mi. southeast of the Loop Ranch (near Keene) 1204 Comment
  RSA187125  Caulanthus inflatus E. C. Twisselmann 1966-4-26 12008 Kern S base of Galileo Hill 976 Comment
  RSA202517  Wislizenia refracta subsp. californica E. C. Twisselmann 1968-8-22 14891 Kern Jerry Slough at the Tracy Ranch (UC Public study aea) 91 Comment
  RSA202610  Eastwoodia elegans E. C. Twisselmann 1968-5-8 14110 Kern Temblor Range; Joe Mesa Ridge, 1 mile west of Carneros Rocks. 488 Comment
  RSA203444  Eriogonum umbellatum var. canifolium E. C. Twisselmann 1961-6-22 6275 Kern Head of Cuddy Valley. 1921 Comment
  RSA211960  Lasthenia debilis E. C. Twisselmann 1969-4-19 15143 Kern Kern Canyon: 1 mile w of Richbar (Live Oak Campground). 412 Comment
  RSA212051  Juncus bufonius var. occidentalis Ernest C. Twisselmann 1969-4-5 15082 Kern Paine Nature Preserve, 2.1 miles north of Highway 46 on the Corcoran Highway. 91 Comment
  RSA216657  Camissonia campestris subsp. campestris E. C. Twisselmann 1970-5-6 16484 Kern Red Rock Canyon; head of canyon above Ricardo 823 Comment
  RSA217958A  Eremalche kernensis E. C. Twisselmann 1958-4-26 4378 Kern Hwy 33, about 6 miles north of McKittrick 244 Comment
  RSA220227  Aster subulatus var. ligulatus E. C. Twisselmann 1969-10-16 16296 Kern Adobe road, 1.8 miles S of Bear Mtn Blvd 91 Comment
  RSA223826  Frankenia grandifolia var. campestris E. C. Twisselmann 1957-11-7 4127 Kern Bitterwater Canyon, 3.5 miles southwest of Maricopa 434 Comment
  RSA231930  Platystemon californicus E. C. Twisselmann 1971-4-26 17612 Kern Cyrus Canyon. 1189 Comment
  RSA304756  Salix lucida subsp. lasiandra E. C. Twisselmann 1971-6-21 17785 Kern South Fork of Kern River, 0.5 mile below the Kernville Highway bridge. 762 Comment
  RSA304875  Mimulus barbatus E. C. Twisselmann, Jack Zaninovich 1971-7-13 17990 Kern Fork of Cannell Creek on Pine Flat. 2177 Comment
  RSA305906  Alopecurus carolinianus E. C. Twisselmann, Jack Zaninovich 1971-7-13 17983 Kern Fork of Cannell Creek on Pine Flat. 2177 Comment
  RSA505997  Salix lasiolepis E. C. Twisselmann 1972-9-22 19206 Kern Poso Creek 1 miles west of Glennville. 915 Comment
  RSA515521  Clarkia heterandra E. C. Twisselmann 1963-7-27 8558 Kern North slope of Basket Peak. 1479 Comment
Read comments
Apr 12 2009
  RSA515770  Clarkia unguiculata E. C. Twisselmann 1962-6-22 7373 Kern Greenhorn Summit road, 2.9 miles west of Wofford Heights. 1090 Comment
  RSA563234  Prunus emarginata E. C. Twisselmann 1966-6-23 12383 Kern Trail to Sunday Peak, Greenhorn Range. 2409 Comment
  RSA563333  Rubus parviflorus E. C. Twisselmann 1957-6-21 3729 Kern Portuguese Pass Road, 1.9 mil north of Greenhorn Pass, Greenhorn Range. 1951 Comment
  RSA584263  Plectritis ciliosa subsp. insignis E. C. Twisselmann 1963-5-17 8270 Kern Poso Creek Canyon, 2.25 mi. above Poso Mine. Douglas oak woodland. 793 Comment
  RSA584798  Euthamia occidentalis E. C. Twisselmann 1972-9-22 19187 Kern Poso Creek 1 miles west of Glennville. 915 Comment
  RSA685247  Lupinus confertus E. C. Twisselmann 1971-6-21 17798 Kern South Fork of Kern River, 0.5 mile below the Kernville Highway bridge. 762 Comment
  SBBG103625  Drymocallis glandulosa var. glandulosa E. C. Twisselmann 1963-7-9 8609 Kern Greenhorn Mtn Park 1813 Comment
  SBBG103631  Plagiobothrys bracteatus E. C. Twisselmann 1965-6-3 560 Kern Water Hole Flat (between Cedar Crk and Lumreau Crk) 883 Comment
  SBBG104022  Perideridia parishii E. C. Twisselmann 1964-7-24 9892 Kern Cannell Meadow 2255 Comment
  SBBG14518  Senna armata E. C. Twisselmann 1962-5-7 7059 Kern mouth of cyn N of El Paso Pk 899 Comment
  SBBG14579  Wislizenia refracta subsp. californica E. C. Twisselmann 1962-11-14 7973 Kern Panama Rd, 4 mi W of Old River 112 Comment
  SBBG14580  Hazardia squarrosa var. obtusa E. C. Twisselmann 1962-11-14 8000 Kern Grapevine Cyn 670 Comment
  SBBG14583  Eriogonum nudum var. indictum E. C. Twisselmann 1962-11-9 7939 Kern Carter Grade 670 Comment
  SBBG14587  Ammannia coccinea E. C. Twisselmann 1962-11-14 7983 Kern Taft Hwy, 3.6 mi W of Old River 102 Comment
  SBBG14590  Solanum americanum E. C. Twisselmann 1962-11-14 7995 Kern Kern River at Enos Rd 114 Comment
  SBBG14599  Hazardia whitneyi var. whitneyi E. C. Twisselmann 1962-9-18 7742 Kern ridge above Tiger Flat 2026 Comment
  SBBG14618  Helianthus annuus E. C. Twisselmann 1962-9-20 7904 Kern Poso Hills, Famosa Rd at Poso Oil Field 297 Comment
  SBBG14626  Leptosiphon nudatus E. C. Twisselmann 1962-6-22 7294 Kern Piute Mtn Walker Basin Rd, 0.5 mi above Rancheria Crk 1371 Comment
  SBBG14640  Symphyotrichum subulatum var. parviflorum E. C. Twisselmann 1962-11-14 8007 Kern Fort Tejon 975 Comment
  SBBG14647  Atriplex lentiformis subsp. lentiformis E. C. Twisselmann 1962-11-14 7946 Kern Coles Levee, N of Buena Vista Lake 83 Comment
  SBBG14658  Distichlis spicata E. C. Twisselmann 1962-11-14 7964 Kern Buena Vista Plains, ca. 3 mi SW of the end of Hill Rd 60 Comment
  SBBG14940  Astragalus subvestitus E. C. Twisselmann 1962-7-19 7457 Kern Lookout Point, Piute Mtns 2520 Comment
  SBBG14958  Centromadia pungens subsp. pungens E. C. Twisselmann 1962-6-20 7417 Kern Weedpatch region: Adobe Rd 1.3 mi S of Bear Mtn Blvd 128 Comment
  SBBG15014  Koeleria phleoides E. C. Twisselmann 1962-3-30 6740 Kern Antelope Plains, 9 mi SW of Blackwells Corner 335 Comment
  SBBG15022  Stellaria nitens E. C. Twisselmann 1962-4-7 6766 Kern Choice Valley, 3/8 mi W of Choice Valley School 579 Comment
  SBBG15026  Caulanthus anceps E. C. Twisselmann 1962-4-1 6743 Kern summit of Firebreak Grade 822 Comment
  SBBG15047  Eriogonum umbellatum var. bahiiforme E. C. Twisselmann 1962-7-19 7463 Kern Lookout Point, Piute Mtns 2520 Comment
  SBBG15189  Delphinium hansenii subsp. kernense E. C. Twisselmann 1962-6-1 7279 Kern US 466, ca. 2 mi E of Keene 1097 Comment
  SBBG15190  Sphaeralcea ambigua E. C. Twisselmann 1962-5-8 7146 Kern Indian Wells Cyn 1310 Comment
  SBBG15220  Lessingia glandulifera var. peirsonii E. C. Twisselmann 1962-7-19 7474 Kern Lander's Meadow, Piute Mtns 1973 Comment
  SBBG15227  Clarkia unguiculata E. C. Twisselmann 1962-6-22 7373 Kern Greenhorn Summit Rd, 2.9 mi W of Wofford Heights 1089 Comment
  SBBG15235  Poa pratensis E. C. Twisselmann 1962-6-1 7268 Kern ridge between Brite's Valley and Cummings Valley Comment
  SBBG15246  Rumex salicifolius E. C. Twisselmann 1962-7-19 7499 Kern Grouse Meadow, Piute Mtns 2186 Comment
  SBBG15324  Datura wrightii E. C. Twisselmann 1962-5-8 7121 Kern head of Short Cyn 1036 Comment
  SBBG15325  Phacelia ramosissima E. C. Twisselmann 1962-5-8 7122 Kern head of Short Cyn 1051 Comment
  SBBG15330  Cercis occidentalis E. C. Twisselmann 1962-4-11 6890 Kern South Fork Valley, 2.4 mi E of Onyx 838 Comment
  SBBG15356  Delphinium parishii subsp. parishii E. C. Twisselmann 1962-5-8 7154 Kern NE flank of Morris Peak at head of Indian Wells Cyn 1584 Comment
  SBBG16078  Acmispon nevadensis var. nevadensis E. C. Twisselmann 1962-8-27 7720 Kern W slope of Basket Peak 1615 Comment
  SBBG16088  Calycadenia spicata E. C. Twisselmann 1962-8-27 7715 Kern high hill above head of Lumreau Crk 1402 Comment
  SBBG18204  Prunus emarginata E. C. Twisselmann 1961-5-24 6204 Kern Tejon Ranch, ridge SW of Catskin Crk 1859 Comment
  SBBG19010  Cryptantha nevadensis var. rigida E. C. Twisselmann 1963-6-11 8439 Kern Erskine Cyn, Piute Mtns 967 Comment
  SBBG19013  Woodwardia fimbriata E. C. Twisselmann 1963-5-17 8266 Kern Poso Crk Cyn, 2.25 mi above Poso Mine 838 Comment
  SBBG19408  Eriophyllum confertiflorum var. confertiflorum E. C. Twisselmann 1963-6-11 8468 Kern Greenhorn Pass Rd, ca. 2.9 mi W of Wofford 1089 Comment
  SBBG19415  Baccharis salicifolia E. C. Twisselmann 1963-4-18 8072 Kern San Emigdio Cyn 518 Comment
  SBBG19441  Salix geyeriana E. C. Twisselmann 1963-7-10 8707 Kern fork of Cannell Crk on Pine Flat 2164 Comment
  SBBG19443  Cryptantha flaccida E. C. Twisselmann 1963-6-11 8438 Kern Erskine Cyn, Piute Mtns 967 Comment
  SBBG19449  Astragalus asymmetricus E. C. Twisselmann 1963-4-9 8021 Kern Annette Hills, 0.25 mi S of Annette 670 Comment
  SBBG19458  Deinandra pallida E. C. Twisselmann 1963-4-12 8038 Kern Comanche Point 205 Comment
  SBBG19612  Elymus X gouldii E. C. Twisselmann 1963-6-3 8295 Kern Neasons Flat, San Emigdio Range 1097 Comment
  SBBG19631  Calocedrus decurrens E. C. Twisselmann 1963-6-3 8322 Kern Black Bob Cyn, just above the Bradley Cyn fork,, San Emigdio Range 1341 Comment
  SBBG19633  Acer macrophyllum E. C. Twisselmann 1963-6-3 8324 Kern Black Bob Cyn, just above the mouth of Bradley Cyn 1341 Comment
  SBBG19660  Fremontodendron californicum E. C. Twisselmann 1963-6-3 8355 Kern Black Bob Cyn, San Emigdio Range 1005 Comment
  SBBG19661  Chorizanthe xanti var. xanti E. C. Twisselmann 1963-6-4 8371 Kern Ross Ridge 762 Comment
  SBBG19663  Eriophyllum confertiflorum var. confertiflorum E. C. Twisselmann 1963-6-3 8360 Kern cyn just W of Ft Tejon 990 Comment
  SBBG19669  Nemophila pulchella var. pulchella E. C. Twisselmann 1963-6-3 8327 Kern Black Bob Cyn just above mouth of Bradley Cyn, San Emigdio Range 1356 Comment
  SBBG19701  Mentzelia pectinata E. C. Twisselmann 1963-4-18 8082 Kern NE end of Pleito Hills 487 Comment
  SBBG19709  Limnanthes montana E. C. Twisselmann 1963-5-17 8247 Kern ca. 1 mi E of Poso Crk Narrows 762 Comment
  SBBG19744  Astragalus oxyphysus E. C. Twisselmann 1963-4-12 8048 Kern summit of White Wolf Grade 579 Comment
  SBBG20605  Salix lasiolepis E. C. Twisselmann 1963-8-8 8841 Kern Tejon Crk 1615 Comment
  SBBG20670  Eriogonum baileyi E. C. Twisselmann 1963-8-8 8854 Kern Tejon Cyn 1341 Comment
  SBBG20671  Allophyllum integrifolium E. C. Twisselmann 1963-9-17 9007 Kern NW of Calf Crk 1889 Comment
  SBBG20746  Juniperus californica E. C. Twisselmann 1963-12-18 9211 Kern Don's Cyn, a fk of upper Cedar Cyn 579 Comment
  SBBG20805  Clarkia heterandra E. C. Twisselmann 1963-6-27 8558 Kern N slope of Basket Peak 1478 Comment
  SBBG20808  Clarkia rhomboidea E. C. Twisselmann 1963-6-27 8513 Kern Mill Crk at Burnt Trough Spring 1371 Comment
  SBBG20814  Malacothrix saxatilis var. commutata E. C. Twisselmann 1963-8-30 8895 Kern N end of Piute Mtn, 3.4 mi above Bodfish Gap 1524 Comment
  SBBG20818  Quercus garryana var. breweri E. C. Twisselmann 1963-8-8 8869 Kern 0.75 mi W of Tejon Pass 1524 Comment
  SBBG20826  Heterotheca grandiflora E. C. Twisselmann 1963-9-19 9045 Kern Cache Crk at Hwy 466, Tehachapi Cyn Comment
  SBBG20854  Lathyrus sulphureus E. C. Twisselmann 1963-7-9 8605 Kern Greenhorn Mtn Park, just above Alta Sierra Lodge 1844 Comment
  SBBG20871  Achnatherum speciosum E. C. Twisselmann 1964-6-10 9615 Kern Frazier Park just below the Medical Center 1615 Comment
  SBBG20873  Poa secunda E. C. Twisselmann 1964-5-15 9454 Kern Willow Crk on E slope of Blue Mtn 1158 Comment
  SBBG20879  Ribes roezlii E. C. Twisselmann 1964-4-25 9264 Kern Howling Gulch, ca. 3 mi SE of Woody 762 Comment
  SBBG20880  Abronia pogonantha E. C. Twisselmann 1964-5-6 9272 Kern US Hwy 466, 6.5 mi W of Boron 723 Comment
  SBBG20881  Ericameria cooperi var. cooperi E. C. Twisselmann 1964-5-6 9323 Kern slope above Alphie Spring, at a fork of Jawbone Cyn 1158 Comment
  SBBG20887  Gilia capitata subsp. abrotanifolia E. C. Twisselmann 1964-6-10 9562 Kern Tecuya Ridge 1965 Comment
  SBBG20899  Poa pratensis E. C. Twisselmann 1963-7-9 8630 Kern Shirley Meadows 2011 Comment
Read comments
Dec 23 2010
  SBBG20905  Isocoma acradenia var. bracteosa E. C. Twisselmann 1963-9-6 8955 Kern Lake Woollomes, near Delano 114 Comment
  SBBG20918  Amsinckia intermedia E. C. Twisselmann 1964-5-26 9529 Kern Studhorse Cyn (a fk of upper Caliente Cyn) 807 Comment
  SBBG20922  Sanicula bipinnatifida E. C. Twisselmann 1964-5-15 9453 Kern N flank of Blue Mtn 1005 Comment
  SBBG20940  Cornus sericea subsp. sericea E. C. Twisselmann 1963-8-8 8834 Kern cienegas near the head of Tejon Crk 1615 Comment
  SBBG20947  Astragalus asymmetricus E. C. Twisselmann 1963-6-25 8482 Kern summit of Drake Ridge 982 Comment
  SBBG20958  Dichelostemma volubile E. C. Twisselmann 1963-6-27 8512 Kern Mill Crk at Burnt Trough Springs 1371 Comment
  SBBG20999  Piperia unalascensis E. C. Twisselmann 1963-7-9 8574 Kern W slope of Black Mtn 1981 Comment
  SBBG21006  Vicia americana subsp. americana E. C. Twisselmann 1963-6-27 8497 Kern Cedar Crk just below the mouth of Fulton Crk 990 Comment
  SBBG21012  Plagiobothrys hispidulus E. C. Twisselmann 1963-7-9 8635 Kern Mtn Meadows, E slope of Sunday Pk 2164 Comment
  SBBG21112  Turritis glabra E. C. Twisselmann 1964-6-10 9573 Kern Tecuya Ridge 2026 Comment
  SBBG21116  Ribes nevadense E. C. Twisselmann 1964-7-23 9802 Kern N slope of Black Mtn 1844 Comment
  SBBG21124  Astragalus lentiginosus var. variabilis E. C. Twisselmann 1964-5-7 9366 Kern SW end of Rogers Lake, Edwards Air Force Base 620 Comment
  SBBG21133  Tamarix ramosissima E. C. Twisselmann 1964-7-17 9743 Kern SE end of Castaic Lake 1059 Comment
  SBBG21160  Solanum xanti E. C. Twisselmann 1964-6-10 9623 Kern upper Castaic Valley 1280 Comment
  SBBG21207  Festuca myuros var. hirsuta E. C. Twisselmann 1964-5-15 9421 Kern summit of Blue Mtn 1508 Comment
  SBBG21257  Leptosiphon bicolor E. C. Twisselmann 1964-5-15 9401 Kern Rankin Flat at the E base of Blue Mtn 972 Comment
  SBBG21575  Oryza sativa E. C. Twisselmann 1964-9-29 10282 Kern Kern Nat Wildlife Refuge 76 Comment
  SBBG21588  Marsilea vestita E. C. Twisselmann 1964-9-29 10238 Kern canal, Kern Nat Wildlife Refuge 76 Comment
  SBBG21644  Zannichellia palustris E. C. Twisselmann 1964-9-16 10200 Kern spring at E end of Landers Meadow, Piute Mtns 1981 Comment
  SBBG21648  Cryptantha flaccida E. C. Twisselmann 1964-6-21 9692 Kern cyn at the E end of Bear Valley 1310 Comment
  SBBG21657  Ericameria nauseosa var. mohavensis E. C. Twisselmann 1964-9-16 10207 Kern Piute Mtn Rd, Harris Grade, ca. 5.8 mi E of Landers Meadow 1706 Comment
  SBBG21695  Schoenoplectus pungens var. longispicatus E. C. Twisselmann 1964-8-20 10073 Kern Isabella alkali flats 762 Comment
  SBBG23444  Mirabilis laevis var. villosa E. C. Twisselmann 1965-5-18 10839 Kern dunes at NE end of Buckhorn Lake, Edwards Air Force Base 739 Comment
  SBBG23564  Amsinckia intermedia E. C. Twisselmann 1965-3-17 10468 Kern Goose Lake Canal near the S boundary of the Kern Wildlife Refuge 68 Comment
  SBBG23568  Cryptantha circumscissa E. C. Twisselmann 1965-6-3 10930 Kern W slope of Walker Pass, ca. 2 mi SE of the hwy 1584 Comment
  SBBG23572  Cryptantha dumetorum E. C. Twisselmann 1965-5-5 10710 Kern dunes at the S end of Rogers Lake, Edwards Air Force Base 746 Comment
  SBBG23638  Eriophyllum ambiguum E. C. Twisselmann 1965-4-14 10516 Kern Breckenridge Mtn 777 Comment
  SBBG23892  Amsinckia eastwoodiae E. C. Twisselmann 1965-4-21 10558 Kern mouth of El Paso Cyn 541 Comment
  SBBG23896  Quercus lobata E. C. Twisselmann 1965-6-18 11026 Kern ridge between San Emigdio Cyn and Little Pleito Cyn 807 Comment
  SBBG23923  Mirabilis laevis var. villosa E. C. Twisselmann 1965-5-6 10728 Kern Mesquite Cyn, El Paso Range 1158 Comment
  SBBG23938  Amsinckia intermedia E. C. Twisselmann 1965-6-24 11082 Kern Telephone Rd N of Rising Cyn, Tejon Ranch 1028 Comment
  SBBG23946  Frangula californica subsp. tomentella E. C. Twisselmann 1965-6-18 11031 Kern potrero in upper San Emigdio Cyn 762 Comment
  SBBG23964  Chorizanthe xanti var. xanti E. C. Twisselmann 1965-6-24 11091 Kern Aqueduct Rd, tributary of Pastoria Cyn, Tejon Ranch 1005 Comment
  SBBG23996  Galium angustifolium subsp. onycense E. C. Twisselmann 1965-6-3 10923 Kern S side of the mouth of Spanish Needle Crk 1196 Comment
  SBBG24021  Arctostaphylos patula E. C. Twisselmann 1965-7-28 11328 Kern ridge SE of Pine Flat 2377 Comment
  SBBG24029  Potamogeton foliosus subsp. foliosus E. C. Twisselmann 1965-10-1 11667 Kern Cedar Crk just below mouth of Lumreau Crk 792 Comment
  SBBG24038  Trichostema ovatum E. C. Twisselmann 1965-8-20 11552 Kern Rattlesnake Grade, 3 mi SW of French Ranch 1325 Comment
  SBBG24120  Epilobium torreyi E. C. Twisselmann 1965-7-29 11389 Kern W side of Lynns Valley [Linns Valley] on Fugitt Rd 960 Comment
  SBBG24121  Spergularia rubra E. C. Twisselmann 1965-7-29 11380 Kern Shirley Meadows 2072 Comment
  SBBG24127  Trichostema austromontanum E. C. Twisselmann 1965-7-27 11264 Kern Squirrel Meadow, Breckenridge Mtn 2072 Comment
  SBBG24135  Eleocharis parishii E. C. Twisselmann 1965-10-1 11643 Kern Lumreau Crk, just above Cedar Crk 807 Comment
  SBBG24142  Asclepias fascicularis E. C. Twisselmann 1965-9-19 11576 Kern marsh NE of Well 8 in Section 28; Kern Nat Wildlife Refuge 65 Comment
  SBBG24146  Carex fracta E. C. Twisselmann 1965-7-27 11228 Kern head of Mill Crk on N slope of Breckenridge Mtn 2255 Comment
  SBBG24182  Polygonum polygaloides subsp. kelloggii E. C. Twisselmann 1965-7-27 11243 Kern meadow at Breckenridge Public Camp, along Mill Crk 2065 Comment
  SBBG24204  Eucalyptus camaldulensis E. C. Twisselmann 1965-8-20 11553 Kern Oildale [Oil Center], just N of Gordon's Ferry 152 Comment
Read comments
Nov 12 2013
  SBBG26009  Eriophyllum ambiguum E. C. Twisselmann 1966-5-10 12127 Kern W end of King Solomon's Ridge; Piute Mtns 1463 Comment
  SBBG26044  Nama demissa E. C. Twisselmann 1966-4-12 11879 Kern Last Chance Cyn, El Paso Range 899 Comment
  SBBG26050  Oligomeris linifolia E. C. Twisselmann 1966-4-12 11889 Kern Mesquite Springs, just E of the mouth of Mesquite Cyn 685 Comment
  SBBG26074  Acmispon nevadensis var. davidsonii E. C. Twisselmann 1966-7-13 12585 Kern NE end of the summit of Mt Pinos 2679 Comment
  SBBG26117  Eucrypta micrantha E. C. Twisselmann 1966-4-12 11864 Kern Last Chance Cyn, El Paso Range 731 Comment
  SBBG26119  Horkeliella purpurascens E. C. Twisselmann 1966-6-25 12457 Kern Bartolas Crk, near its summit 2042 Comment
  SBBG26132  Heterotheca sessiliflora subsp. echioides E. C. Twisselmann 1966-9-8 12778 Kern Cuddy Valley 1790 Comment
  SBBG26136  Astragalus lentiginosus var. variabilis E. C. Twisselmann 1966-4-27 12040 Kern S of Desert Butte 746 Comment
  SBBG26145  Acmispon procumbens var. procumbens E. C. Twisselmann 1966-5-10 12138 Kern Haight Cyn, 1.3 mi E of Havilah; Piute Mtns 1036 Comment
  SBBG26151  Ribes cereum E. C. Twisselmann 1966-6-23 12388 Kern summit of Sunday Peak 2535 Comment
  SBBG26159  Cryptantha pterocarya var. purpusii E. C. Twisselmann 1966-4-26 11992 Kern ridge between El Paso Peaks 1325 Comment
  SBBG26166  Eriogonum covilleanum E. C. Twisselmann 1966-4-4 11769 Kern Cedar Cyn, 6 mi S of Bitterwater Rd 640 Comment
  SBBG26174  Eriogonum nudum var. westonii E. C. Twisselmann 1966-4-26 12019 Kern Salisbury Mine, NW flank of Government Pk; Rand Mtns 1325 Comment
  SBBG26194  Pluchea odorata var. odorata E. C. Twisselmann 1966-8-26 12750 Kern Poso Crk at the mouth of Sand Cyn 213 Comment
  SBBG26198  Caulanthus inflatus E. C. Twisselmann 1966-4-26 12008 Kern plain at S base of Galileo Hill 975 Comment
  SBBG26212  Eriogonum wrightii var. subscaposum E. C. Twisselmann 1966-9-8 12757 Kern Mt Abel Rd [Cerro Noroeste Rd], ca. 2.1 mi NW of Valle Vista Cmpgrd 1371 Comment
  SBBG26228  Cryptantha nevadensis var. nevadensis E. C. Twisselmann 1966-4-12 11867 Kern Last Chance Cyn, El Paso Range 731 Comment
  SBBG26231  Brickellia nevinii E. C. Twisselmann 1966-9-8 12758 Kern Mt Abel Rd [Cerro Noroeste Rd], ca. 2.1 mi NW of Valle Vista Cmpgrd 1371 Comment
  SBBG26233  Pholistoma membranaceum E. C. Twisselmann 1966-4-6 11772 Kern Gordon Gulch, NW of Woody 388 Comment
  SBBG26252  Lolium temulentum E. C. Twisselmann 1966-6-23 12407 Kern ridge, 1 mi NW of Rhymes Toolbox 1950 Comment
  SBBG26261  Sanicula graveolens E. C. Twisselmann 1966-5-20 12301 Kern ridge at the head of Stevenson Crk; NW slope of Tollgate Ridge 1774 Comment
  SBBG26263  Bromus tectorum E. C. Twisselmann 1966-5-20 12256 Kern head of Tweedy Crk, E of Keene 1615 Comment
  SBBG28579  Bloomeria crocea var. montana E. C. Twisselmann 1967-6-28 13541 Kern Oak Crk Pass; Oak Crk Cyn, 0.5 mi E of summit, Techachapi Mtns 1386 Comment
  SBBG28599  Collinsia bartsiifolia var. davidsonii E. C. Twisselmann 1967-6-1 13306 Kern between Glennville and Lynns Valley [Linns Valley] 914 Comment
  SBBG32163  Chorizanthe spinosa E. C. Twisselmann, E. McMillan, C. F. Smith 1968-5-22 14213 Kern SE end of Buckhorn Dry Lake 746 Comment
  SBBG32213  Boechera puberula E. C. Twisselmann 1968-6-26 14408 Kern pass at head of Dark Cyn, Kern Plateau 2461 Comment
  SBBG38626  Eschscholzia californica E. C. Twisselmann 1969-5-23 15311 Kern county prison camp at Scodie Rd, Kernville 807 Comment
  SBBG50223  Mollugo verticillata E. C. Twisselmann 1972-9-23 19258 Kern Lake Isabella below mouth of Tillie Crk 762 Comment
  SBBG5756  Calystegia malacophylla subsp. pedicellata E. C. Twisselmann 1963-6-3 8296 Kern Neasons Flat, San Emigdio Range 1066 Comment
  SD130932  Carex nebrascensis Ernest C. Twisselmann 1963-7-10 8694 Kern Sierra Nevada Mountains; Kern Plateau; fork of Cannell Creek on Pine Flat; growing in an extensive colony in wet soil along a creek in a sagebrush flat; amid Jeffrey Pine association. 2164 Comment
  SD135577  Allophyllum violaceum Ernest C. Twisselmann 1967-6-26 13395 Kern Fay Creek at the Little Cannell Meadow forest road. 1951 Comment
  SD135610  Cuscuta californica var. californica Ernest C. Twisselmann 1964-7-24 9882 Kern Trail to Little Cannell Meadow above Pine Flat. 2250 Comment
  SD135644  Amsinckia eastwoodiae Ernest C. Twisselmann 1964-4-25 9236 Kern The Sheep Camp, ca. 4.5 miles east of Woody 1004 Comment
  SD147457  Erythranthe montioides Ernest C. Twisselmann 1967-6-26 13396 Kern Fay Creek at the Little Cannell Meadow forest road. 1950 Comment
  SD147469  Diplacus constrictus Ernest C. Twisselmann 1963-7-10 8675 Kern The Kern Plateau. Fork of Cannell Creek on Pine Flat 2164 Comment
  SD147615  Cardamine californica Ernest C. Twisselmann 1960-4-2 5929 Kern Kern Canyon; ravine 3.6 miles east of Democrat Guard Station. 730 Comment
  SD71259  Festuca microstachys E. C. Twisselmann 1955-5-12 1983 Kern Temblor Mountains, summit of Associated Canyon 1128 Comment
  SD71356  Monardella exilis Ernest C. Twisselmann 1956-5-17 2809 Kern Kelso Creek Canyon, 9.5 miles south of Weldon. 1006 Comment
  SEINET10317255 Image available Collinsia childii Ernest C. Twisselmann 1963-6-27 8522 Kern Sierra Nevada, Greenhorn Range, northeast flank of Hatchet Peak. 1707 Comment
  SEINET2540593 Image available Nitrophila occidentalis Ernest C. Twisselmann 1959-7-4 5445 Kern Eastern San Joaquin Valley, Weedpatch District, Adobe Road, 1.2 mi N of Bear Mountain Boulevard. 120 Comment
  SEINET267230  Perideridia parishii subsp. latifolia Ernest C. Twisselmann, Donald J. Bedell; McMillan 1970-7-28 17375 Kern Templeton Meadow; Movie Stringer above the old Templeton Cow Camp 2521 Comment
Read comments
Feb 25 2014
  SEINET3404944 Image available Eriogonum nudum var. westonii Ernest C. Twisselmann 1966-4-26 12019 Kern Northwest flank of Government Peak at Salisbury Mine, Rand Mountains Comment
  SEINET7295215 Image available Vulpia microstachys var. microstachys Ernest C. Twisselmann 1964-1 9412 Kern North flank of Blue Mountain 1082 Comment
  SEINET7967494 Image available Leptosiphon nudatus Ernest C. Twisselmann 1967-5-30 13128 Kern Sierra Nevada, Kern Plateau, northwest fork of Chimney Creek Canyon 1615 Comment
  SEINET7967495 Image available Leptosiphon nudatus Ernest C. Twisselmann, Jack Zaninovich 1971-7-13 17999 Kern Sierra Nevada, Kern Plateau, Pine Flat 2176 Comment
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Aug 11 2017
  UC1142286  Lomatium caruifolium var. caruifolium Ernest C. Twisselmann 1958-4-12 4245 Kern 9.5 mi W of Woody 335 Comment
  UC1195414  Gutierrezia californica Ernest C. Twisselmann 1957-11-10 4132 Kern McGovern Grade 1.1 mi e Annette; Temblor Range and Western san Joaquin Valley 624 Comment
  UC1363802  Lasthenia chrysantha Ernest C. Twisselmann 1958-3-22 4148 Kern 2 mi w of Corcoran Highway; Garces Road 91 Comment
  UC1413380  Eriogonum gossypinum Ernest C. Twisselmann 1967-6-1 13307 Kern bluffs across Kern River from Hart Park; San Joaquin Valley, Kern River 129 Comment
  UCD100144  Polygonum aviculare subsp. depressum Ernest C. Twisselmann 1961-10-5 6617 Kern Hart Memorial Park. 152 Comment
  UCD101171  Eriogonum roseum Ernest C. Twisselmann 1972-9-22 19241 Kern near airport east of Kernville. 792 Comment
  UCD101264  Eriogonum spergulinum var. reddingianum Ernest C. Twisselmann 1965-7-28 11336 Kern fork of Cannell Creek southeast of Pine Flat. 2286 Comment
  UCD102996  Lythrum californicum Ernest C. Twisselmann 1961-7-27 6446 Kern Sierra Nevada. Kern River opposite the Kernville Cemetery. 792 Comment
  UCD103288  Geranium californicum Ernest C. Twisselmann 1964-7-24 9867 Kern Trail to Little Cannell Meadow above Pine Flat, The Kern Plateau. 2225 Comment
  UCD103390  Geranium dissectum Ernest C. Twisselmann 1964-7-25 9950 Kern Lynns Valley at the Henry Bowen Ranch, The Greenhorn Range. 975 Comment
  UCD104748  Astragalus douglasii Ernest C. Twisselmann 1959-4-25 5087 Kern Sierra Nevada, The Greenhorn Range, Shandon, CA. East side of Kern Canyon, 0.5 mile east of Keysville. 762 Comment
  UCD104757  Astragalus douglasii Ernest C. Twisselmann 1965-6-3 10921 Kern Spanish Needle Creek, Sierra Nevada. 1371 Comment
  UCD105002  Astragalus lentiginosus var. nigricalycis Ernest C. Twisselmann 1962-3-28 6717 Kern Temblor Range and the Western San Joaquin Valley. Hills north of Point of Rocks. Shandon, CA. 182 Comment
  UCD105024  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1963-5-10 8148 Kern The Mojave-Randsburg Region. The Mojave Desert. Rosamond Hills, 5 miles north of Rosamond. 792 Comment
  UCD105025  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1964-5-7 9377 Kern Mojave Desert. The Mojave-Randsburg Region. South end of Rogers Lake, Edwards Air Force Base. 609 Comment
  UCD105819  Glycyrrhiza lepidota var. glutinosa Ernest C. Twisselmann 1959-6-18 5359 Kern Tehachapi-Kernville Region. Piute Mountains: Erskine Creek. 856 Comment
  UCD106734  Lotus corniculatus Ernest C. Twisselmann 1959-7-4 5442 Kern Weedpatch District: Adobe Road 0.6 mile south of Bear Mountain Boulevard. 121 Comment
  UCD107110  Ludwigia peploides Ernest C. Twisselmann 1961-7-27 6456 Kern Sierra Nevada. Kern River at Borel Intake (east of Wofford). 784 Comment
  UCD107483  Cucumis melo var. dudaim Ernest C. Twisselmann 1958-9-3 4800 Kern Buena Vista Lake Bed: Irrigation ditch at Las Palomas Oil Field, Shandon. 85 Comment
  UCD107710  Datisca glomerata Ernest C. Twisselmann 1963-6-11 8465 Kern The Greenhorn Range. Greenhorn Pass Road 2.9 miles west of Wofford. 1089 Comment
  UCD108051  Melilotus albus Ernest C. Twisselmann 1963-9-18 9024 Kern Onyx Ranches line camp, Freeman Canyon. 1097 Comment
  UCD109954  Trifolium wormskioldii Ernest C. Twisselmann 1959-6-18 5364 Kern Tehachapi-Kernville Region. Erskine Creek at the mouth of Erskine Canyon. 853 Comment
  UCD112897  Amelanchier pallida Ernest C. Twisselmann 1962-6-1 7245 Kern Tehachapi Mountains. Water Canyon at the Ryan Ranch. 1676 Comment
  UCD113334  Heteromeles arbutifolia Ernest C. Twisselmann 1963-12-18 9213 Kern Don's Canyon, a fork of upper Cedar Canyon. 548 Comment
  UCD113539  Prunus virginiana var. demissa Ernest C. Twisselmann 1965-6-4 10975 Kern Wagy Flat Road, just above Wagy Flat. 1424 Comment
  UCD113774  Rubus armeniacus Ernest C. Twisselmann 1959-7-4 5437 Kern Weedpatch District; Sunset Boulevard, just west of Edison Road, along a old canal for about 100 yards. 138 Comment
  UCD114803  Descurainia sophia Ernest C. Twisselmann 1963-5-10 8157 Kern city of Rosamond, Rosamond Boulevard 0.25 mile east of Highway US 6. 708 Comment
  UCD115224  Raphanus sativus Ernest C. Twisselmann 1959-4-1 5012 Kern Greenfield Road, 1.5 miles east of Pumpkin Center. 91 Comment
  UCD115252  Lepidium campestre Ernest C. Twisselmann 1964-6-21 9676 Kern Bear Valley. 1280 Comment
  UCD115334  Lepidium appelianum Ernest C. Twisselmann 1959-7-7 5545 Kern South fork of Kern River, just east of Weldon. 807 Comment
  UCD115335  Lepidium appelianum Ernest C. Twisselmann 1962-6-1 7253 Kern Highland Road at the southwest end of Tehachapi Valley. 1295 Comment
  UCD115458  Lepidium draba Ernest C. Twisselmann 1965-5-18 10853 Kern Rosamond Boulevard ca. 0.5 mile west of Rosamond Lake, Edwards Air Force Base. 749 Comment
  UCD115480  Lepidium densiflorum Ernest C. Twisselmann 1964-7-25 9951 Kern Lynns Valley at the Henry Bowen Ranch. 975 Comment
  UCD116401  Malacothamnus orbiculatus Ernest C. Twisselmann 1959-6-18 5356 Kern Piute Mountains: Erskine Canyon. 967 Comment
  UCD116676  Malva parviflora Ernest C. Twisselmann 1963-4-18 8088 Kern Mouth of Pleito Canyon. Shandon, CA. 289 Comment
  UCD117067  Toxicodendron diversilobum Ernest C. Twisselmann 1961-7-26 6358 Kern Bull Run Creek, ca. 2 miles west of Kern River. 1127 Comment
  UCD117211  Mentzelia albicaulis Ernest C. Twisselmann 1961-5-4 6104 Kern Poso Flat. 716 Comment
  UCD117371  Mentzelia laevicaulis Ernest C. Twisselmann 1966-7-13 12567 Kern Mt. Abel Road, 1 mile west of Apache Saddle. 1737 Comment
  UCD119705  Amsinckia intermedia Ernest C. Twisselmann 1959-5-21 5239 Kern Southwest flank of Bohna Peak, Shandon. 1767 Comment
  UCD121208  Asclepias erosa Ernest C. Twisselmann 1961-8-22 6467 Kern Mojave Road, 7 miles west of California City. Shandon, CA. 838 Comment
  UCD121283  Asclepias cordifolia Ernest C. Twisselmann 1961-5-4 6058 Kern Woody Road, 4.4 miles west of Glennville. Shandon, CA. 701 Comment
  UCD121887  Galium parisiense Ernest C. Twisselmann 1965-7-29 11387 Kern West side of Lynns Valley on Fugitt Road. 960 Comment
  UCD123525  Bacopa eisenii Ernest C. Twisselmann 1961-10-5 6581 Kern Buttonwillow region: Tupman Highway 0.25 mile south of Adohr Road. 91 Comment
  UCD124613  Plantago lanceolata Ernest C. Twisselmann 1959-7-7 5543 Kern South Fork Valley just east of Lake Isabella. 792 Comment
  UCD126638  Datura wrightii Ernest C. Twisselmann 1961-10-5 6618 Kern Kern River at Hart Memorial Park. 152 Comment
  UCD126676  Nicotiana glauca Ernest C. Twisselmann 1961-10-5 6636 Kern Kern River at Hart Memorial Park. 152 Comment
  UCD126708  Nicotiana attenuata Ernest C. Twisselmann 1962-6-22 7287 Kern Tehachapi-Kernville Region: Piute Mountains: Rancheria Creek, on the west slope of Piute Mountain. 1287 Comment
  UCD127251  Berula erecta Ernest C. Twisselmann 1961-8-22 6533 Kern Tehachapi-Kernville Region. Canebrake Creek, 8.9 miles west of Walker Pass. 982 Comment
  UCD127399  Daucus carota Ernest C. Twisselmann 1961-7-26 6389 Kern The Greenhorn Range. Angel Creek at Glennville. 960 Comment
  UCD127509  Foeniculum vulgare Ernest C. Twisselmann 1964-7-17 9767 Kern Tehachapi Mountains. U.S. 99, 0.5 mile north of the Fort Tejon overpass. 914 Comment
  UCD127510  Foeniculum vulgare Ernest C. Twisselmann 1964-8-20 10072 Kern Tehachapi-Kernville Region. Isabella alkali flats. 762 Comment
  UCD128002  Sanicula bipinnata Ernest C. Twisselmann 1961-5-23 6193 Kern Tejon Ranch: Telephone Road above Tunnel Road. 1341 Comment
  UCD129582  Bidens frondosa Ernest C. Twisselmann 1963-9-18 9015 Kern Sierra Nevada. Weldon Road, 1 mile south of Kernville. 807 Comment
  UCD130211  Centromadia pungens Ernest C. Twisselmann 1962-6-20 7417 Kern Weedpatch region: Adobe Road, 1.3 miles south of Bear Mountain Boulevard. 128 Comment
  UCD132815  Helianthus annuus Ernest C. Twisselmann 1962-9-20 7904 Kern Poso Hills: Famosa Road at Poso Oil Field. 297 Comment
  UCD133376  Iva axillaris Ernest C. Twisselmann 1962-6-1 7254 Kern Highland Road at the southwest end of Tehachapi Valley. 1295 Comment
  UCD134609  Matricaria discoidea Ernest C. Twisselmann 1962-6-1 7262 Kern Shandon. Norhtwest end of Cummings Valley, Tehachapi Mountains. 1158 Comment
  UCD136018  Azolla filiculoides Ernest C. Twisselmann 1961-10-5 6632 Kern Kern River at Hart Memorial Park. 152 Comment
  UCD136705  Symphyotrichum subulatum var. parviflorum Ernest C. Twisselmann 1963-9-6 8962 Kern Eastern party of county. Lake Woolloomes, near Delano. 114 Comment
  UCD138131  Elodea canadensis Ernest C. Twisselmann 1961-8-21 6522 Kern Kern River at Hart Memorial Park. 152 Comment
  UCD138262  Potamogeton crispus Ernest C. Twisselmann 1961-10-5 6631 Kern Eastern San Joaquin Valley. Kern River at Hart Memorial Park. 152 Comment
  UCD139886  Toxicoscordion venenosum var. venenosum Ernest C. Twisselmann 1965-5-27 10873 Kern The Greenhorn Range. Just east of Rankin Flat, Lynns Valley. 914 Comment
  UCD141062  Cyperus erythrorhizos Ernest C. Twisselmann 1964-9-29 10223 Kern Goose Lake Canal. 76 Comment
  UCD141119  Cyperus eragrostis Ernest C. Twisselmann 1959-7-4 5455 Kern Bakersfield District: Wible Road at Casa Loma Road. 121 Comment
  UCD141405  Juncus bufonius Ernest C. Twisselmann 1959-5-2 5148 Kern Breckenridge Mountain, Dougherty Creek Road at Cow Flat Creek. 914 Comment
  UCD158833  Apocynum cannabinum Ernest C. Twisselmann 1959-7-4 5416 Kern Kern County. Rosedale District: Rosedale Highway,1 mile east of Fruitvale. 124 Comment
  UCD158839  Chenopodium album Ernest C. Twisselmann 1964-5-26 9546 Kern Kern County. Enos Road, 6 miles south of Wasco. 91 Comment
  UCD45095  Quercus agrifolia Ernest C. Twisselmann 1952-7-12 125 Kern Drake Ridge, Kern County. Elevation: 2800 feet, Douglas oak association. 853 Comment
  UCD45692  Quercus douglasii Ernest C. Twisselmann 1966-6-8 12329 Kern North end of Brites Valley. Elevation: 4200 feet, valley and Douglas Oak woodland. 1280 Comment
  UCD46847  Quercus lobata Carl F. Twisselmann 1960-9-24 60 1 Kern White Oak Spring, near the summit of Agua Media Canyon, Temblor Range, Kern County, California. Not otherwise known in the Temblor Mountains south of Palo Prieta Canyon, 25 miles to the northwest. 1097 Comment
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Dec 12 2013
  UCD50970  Achnatherum occidentale Ernest C. Twisselmann 1965-7-27 11221 Kern northwest slope of the summit ridge of Breckenridge Mountain. 2293 Comment
  UCD51186  Achnatherum occidentale subsp. pubescens Ernest C. Twisselmann 1971-7-15 17858 Kern South Fork of the head of Bartolas Creek. 1981 Comment
  UCD51312  Jarava speciosa Ernest C. Twisselmann 1965-6-3 10914 Kern head of Spanish Needle Creek. 1417 Comment
  UCD53388  Agrostis scabra Ernest C. Twisselmann 1963-7-10 8697 Kern Fork of Cannell Creek on Pine Flat, Kern Plateau. 2164 Comment
  UCD55578  Achnatherum hymenoides Ernest C. Twisselmann 1964-5-7 9368 Kern The Mojave-Randsburg Region. Southwest end of Roger Lake. Edwards Air Force Base. 620 Comment
  UCD56111  Avena barbata Ernest C. Twisselmann 1971-4-26 17606 Kern Kern Canyon. Sierra Nevada. Highway just above KR3 Power House. 822 Comment
  UCD56115  Avena barbata Ernest C. Twisselmann 1964-5-15 9409 Kern Sierra Nevada. The Greenhorn Range. North Flank of Blue Mountain. 1043 Comment
  UCD56354  Aristida divaricata Ernest C. Twisselmann 1961-7-27 6403 Kern Sierra Nevada, the Greenhorn Range, 1.9 mile east of Woody, Glenville Road. 670 Comment
  UCD56369  Avena fatua Ernest C. Twisselmann 1961-5-23 6184 Kern Tehachapi Mountains. Tejon Ranch: Telephone Road above Pastoria Canyon. 1005 Comment
  UCD56477  Avena sativa Ernest C. Twisselmann 1964-5-26 9540 Kern East side. San Joaquin Valley. Enos Road at Rio Bravo School. 91 Comment
  UCD57587  Bromus arenarius Ernest C. Twisselmann 1961-5-23 6185 Kern Tehachapi Mountains. Tejon Ranch: Telephone Road above Pastoria Cayon. 1005 Comment
  UCD57807  Bromus berteroanus Ernest C. Twisselmann 1966-4-26 12011 Kern Mojave Desert. The Mojave-Randsburg Region. East base of Galileo Hill. 975 Comment
  UCD57840  Cenchrus longispinus Ernest C. Twisselmann 1963-9-6 8950 Kern Eastern San Joaquin Valley, Poso Creek near Famosa. 114 Comment
  UCD57920  Chloris gayana Ernest C. Twisselmann 1958-11-1 4905 Kern Eastern San Joaquin Valley, Weed Patch Region, Adobe Road 3.4 miles north of Bear Mountain Boulevard. 121 Comment
  UCD58396  Bromus catharticus Ernest C. Twisselmann 1966-4-27 12043 Kern Mojave-Randsburg Region. Mojave Desert. Farmlands north of North Edwards. 762 Comment
  UCD58593  Bromus diandrus Ernest C. Twisselmann 1964-5-15 9414 Kern Sierra Nevada. Greenhorn Range. North flank of Blue Mountain. 1082 Comment
  UCD59219  Bromus carinatus var. marginatus Ernest C. Twisselmann 1963-6-27 8517 Kern Sierra Nevada. The Greenhorn Range. Northeast flank of Hatchet Peak. 1798 Comment
  UCD59565  Bromus rubens Ernest C. Twisselmann 1963-4-18 8064 Kern San Emigdio Range and the Mt. Pinos Region. San Emigdio Canyon. 563 Comment
  UCD59624  Bromus rubens Ernest C. Twisselmann 1965-3-17 10471 Kern San Joaquin Valley. The Kern National Wildlife Refuge. 68 Comment
  UCD60025  Cynodon dactylon Ernest C. Twisselmann 1965-4-21 10566 Kern Flowering Plants of the Tehachapi Mountains. Mouth of El Paso Canyon. 541 Comment
  UCD60042  Bromus tectorum var. glabratus Ernest C. Twisselmann 1963-5-11 8225 Kern Tehachapi Mountains. Hart Flat. 762 Comment
  UCD61117  Deschampsia cespitosa Ernest C. Twisselmann 1966-7-13 12594 Kern Cienega at the head of Bitter Creek. 2590 Comment
  UCD63732  Deschampsia elongata Ernest C. Twisselmann 1965-7-27 11206 Kern Mill Creek at Breckenridge Mountain Road. 2072 Comment
  UCD63870  Eragrostis mexicana subsp. virescens Ernest C. Twisselmann 1959-8-7 5583 Kern Eastern San Joaquin Valley, Wasco district. Whistler Road, 1.8 miles W of Poso Creek. 91 Comment
  UCD64054  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1962-11-14 7968 Kern San Joaquin Valley, Panama Road, ca. 1.5 mi. west of Old River. 120 Comment
  UCD64099  Digitaria sanguinalis Ernest C. Twisselmann 1959-7-4 5422 Kern Rosedale District: Brimhall Road. 121 Comment
  UCD64103  Eragrostis mexicana subsp. virescens Ernest C. Twisselmann 1964-7-17 9713 Kern Panama Lane, 4.5 miles east of Lamont. 152 Comment
  UCD64582  Distichlis spicata Ernest C. Twisselmann 1964-5-7 9397 Kern South shore of Rogers Lake, Edwards Air Force Base. 609 Comment
  UCD66071  Lolium multiflorum Ernest C. Twisselmann 1964-5-26 9517 Kern Tehachapi-Kernville Region. Walker Basin. 1036 Comment
  UCD66236  Lolium multiflorum Ernest C. Twisselmann 1964-5-26 9517 Kern Walker Basin. 1036 Comment
  UCD85638  Hordeum depressum Ernest C. Twisselmann 1962-4-9 6887 Kern Lerdo Road. Canal bank 3 miles E of Spicer City Gin. 91 Comment
  UCD86484  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1965-3-17 10434 Kern San Joaquin Valley. The Kern National Wildlife Refuge. 76 Comment
  UCD86545  Hordeum vulgare Ernest C. Twisselmann 1961-10-30 6646 Kern Fremont Valley. 2.5 miles S of Cantil. 594 Comment
  UCD87768  Leymus triticoides Ernest C. Twisselmann 1962-6-22 7318 Kern Tehachapi-Kernville Region. Weldon Meadow. Piute Mountains. 2087 Comment
  UCD88071  Melica imperfecta Ernest C. Twisselmann 1962-8-27 7725 Kern Burnt Trough Spring on Mill Creek, west slope of Basket Peak. 1402 Comment
  UCD88075  Melica imperfecta Ernest C. Twisselmann 1964-5-15 9415 Kern Sierra Nevada. Greenhorn Range. North flank of Blue Mountain. 1082 Comment
  UCD88083  Melica imperfecta Ernest C. Twisselmann 1965-6-24 11085 Kern Telephone Road north of Rising Canyon, Tejon Ranch. 1034 Comment
  UCD88447  Oryza sativa Ernest C. Twisselmann 1958-9-3 4779 Kern Western San Joaquin Valley. Enos Road at Highway 399 (Taft Highway). 121 Comment
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Jun 4 2011
  UCD88449  Oryza sativa Ernest C. Twisselmann 1962-11-14 7985 Kern San Joaquin Valley. East side of county. Taft Highway, 3.6 miles west of Old River. 102 Comment
  UCD88700  Panicum acuminatum var. fasciculatum Ernest C. Twisselmann 1961-7-27 6447 Kern Kern River opposite the Kernville Cemetery. 792 Comment
  UCD88749  Paspalum dilatatum Ernest C. Twisselmann 1961-10-31 6694 Kern Mojave-Randsburg Region. Antelope Valley. About 4.5 miles south-west of Rosamund. 662 Comment
  UCD88954  Paspalum distichum Ernest C. Twisselmann 1961-10-5 6629 Kern eastern San Joaquin Valley. Kern River at Hart Memorial Park. 152 Comment
  UCD88958  Paspalum distichum Ernest C. Twisselmann 1963-9-6 8951 Kern San Joaquin Valley. Poso Creek near Famosa. 114 Comment
  UCD89267  Phalaris minor Ernest C. Twisselmann 1962-4-19 7006 Kern San Joaquin Valley. Tulare Plains. Garces Road, 2.8 miles W of Delano. 60 Comment
  UCD89269  Phalaris minor Ernest C. Twisselmann 1963-4-12 8022 Kern Temblor Range and the Western San Joaquin Valley. Buttonwillow Road, 1.5 miles S of Spicer City Gin. 76 Comment
  UCD89907  Piptatherum miliaceum Ernest C. Twisselmann 1963-6-3 8368 Kern San Emigdio Range and the Mt. Pinos Region. San Emigdio Ranch headquarters at the mouth of San Emigdio Canyon. 426 Comment
  UCD90573  Poa bolanderi Ernest C. Twisselmann 1963-7-9 8619 Kern summit of Shirley Peak. 2118 Comment
  UCD90815  Poa bulbosa Ernest C. Twisselmann 1962-4-18 6967 Kern Tejon Ranch. 1310 Comment
  UCD91393  Polypogon monspeliensis Ernest C. Twisselmann 1964-7-17 9736 Kern S side of Castaic Lake. 1051 Comment
  UCD91396  Polypogon monspeliensis Ernest C. Twisselmann 1966-4-12 11890 Kern Mesquite Springs, El Paso Range. 685 Comment
  UCD91962  Poa pratensis Ernest C. Twisselmann 1963-6-27 8538 Kern Pettitt Meadow. 1447 Comment
  UCD92051  Poa secunda subsp. secunda Ernest C. Twisselmann 1962-4-10 6798 Kern Mojave Desert. Mojave-Randsburg Region. Rand Mountains, about 4.4 miles S of the town of Red Mountain. 1249 Comment
  UCD92061  Poa secunda subsp. secunda Ernest C. Twisselmann 1964-6-10 9588 Kern San Emigdio Range and the Mt. Pinos Region. Summit of Mt. Pinos, Ventura and Kern Counties. 2682 Comment
  UCD92563  Secale cereale Ernest C. Twisselmann 1959-5-21 5258 Kern Glennville, bridge across Poso Creek. 960 Comment
  UCD92566  Secale cereale Ernest C. Twisselmann 1964-5-26 9515 Kern mouth of Back Canyon. 914 Comment
  UCD92738  Setaria pumila Ernest C. Twisselmann 1961-10-31 6693 Kern Antelope Valley, about 4.5 miles southwest of Rosamund. 662 Comment
  UCD92885  Setaria viridis Ernest C. Twisselmann 1965-10-1 11623 Kern Lumreau Creek, ca. 0.2 mile below the falls. Comment
  UCD93080  Schismus arabicus Ernest C. Twisselmann 1963-4-12 8034 Kern San Joaquin Valley. Tejon Creek near the mouth of Tejon Canyon. 220 Comment
  UCD93081  Schismus arabicus Ernest C. Twisselmann 1964-4-25 9226 Kern Sierra Nevada. Greenhorn Range. Famosa Road, 1.5 mile west of Woody. 518 Comment
  UCD93085  Schismus arabicus Ernest C. Twisselmann 1965-5-5 10648 Kern Mojave Desert. The Mojave-Randsburg Region. Northwest end of Buckhorn Lake, Edwards Air Force Base. 746 Comment
  UCD93962  Vulpia microstachys var. confusa Ernest C. Twisselmann 1966-4-20 11980 Kern at head of Messa Ridge. 1039 Comment
  UCD94620  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1963-6-27 8526 Kern Northeast flank of Hatchet Peak. 1859 Comment
  UCD94625  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1965-3-17 10431 Kern two miles north of Blackwells Corner. 182 Comment
  UCD94665  Vulpia octoflora var. hirtella Ernest C. Twisselmann 1962-4-10 6853 Kern Kern and Los Angeles Counties. Mojave Desert. Antelope Valley. Avenue A, 3.1 miles W of Highway 6. 670 Comment
  UCD94973  Typha latifolia Ernest C. Twisselmann 1972-9-22 19221 Kern Poso Creek 1 mile west of Glennville. 914 Comment
  UCD95747  Delphinium gypsophilum Ernest C. Twisselmann 1962-5-1 7030 Kern Low hills just east of Burrio Valley. 320 Comment
  UCD95871  Ranunculus aquatilis var. diffusus Ernest C. Twisselmann 1963-5-17 8284 Kern Poso Creek, just below the mouth of Little Poso Creek. 694 Comment
  UCD97050  Trianthema portulacastrum Ernest C. Twisselmann 1963-9-6 8974 Kern Eastern San Joaquin Valley. Pond region: Magnolia Road near Garces Road. 91 Comment
  UCD97258  Atriplex argentea var. expansa Ernest C. Twisselmann 1958-10-16 4876 Kern Buena Vista Slough, directly west of Carmel Ranch Headquarters. 88 Comment
  UCD97652  Bassia hyssopifolia Ernest C. Twisselmann 1964-9-29 10274 Kern The Kern National Wildlife Refuge. San Joaquin Valley. 76 Comment
  UCD97682  Atriplex rosea Ernest C. Twisselmann 1964-8-22 10155 Kern Proctor Lake bed. 1203 Comment
  UCD97742  Chenopodium atrovirens Ernest C. Twisselmann 1961-7-27 6443 Kern Sierra Nevada. Isabella Lake bed, opposite the Kernville Cemetery. 792 Comment
  UCD97803  Amaranthus retroflexus Ernest C. Twisselmann 1961-9-14 6566 Kern Eastern San Joaquin Valley. Armstrong's Nursery on Highway U.S. 466, about 1 mile east of Wasco. 129 Comment
  UCD97837  Atriplex serenana Ernest C. Twisselmann 1962-6-20 7415 Kern Weedpatch region: Adobe Road, 1.3 miles south of Bear Mountain Boulevard. 128 Comment
  UCD99261  Spergularia marina Ernest C. Twisselmann 1958-4-12 4253 Kern Poso Creek at the edge of the San Joaquin Valley. Along Poso Creek. 182 Comment
  UCD99265  Spergularia marina Ernest C. Twisselmann 1963-4-12 8025 Kern Buena Vista Lake, Cole Levee at Pieri Road. 91 Comment
  UCD99446  Stellaria media Ernest C. Twisselmann 1962-4-19 6983 Kern Granite Station Road, 4 miles west of Glennville. 807 Comment
  UCD99469  Salsola tragus Ernest C. Twisselmann 1963-6-13 8478 Kern Antelope Plains, 1 mile north of New Well Camp. 320 Comment
  UCD99540  Persicaria lapathifolia Ernest C. Twisselmann 1959-7-7 5547 Kern Tehachapi-Kernville Region. South Fork of Kern River, just east of Weldon. 807 Comment
  UCR129885  Camissonia campestris subsp. campestris E. C. Twisselmann 1964-5-6 9273 Kern Western Mojave Desert, Mojave-Randsburg Region, Hwy US 466 [=Hwy 58], 6.5 miles west of Boron 724 Comment
  UCR130143  Juncus bufonius E. C. Twisselmann 1971-6-21 17788 Kern Sierra Nevada Mtns., South Fork of Kern River, 0.5 miles below Kernville Highway Bridge 762 Comment
  UCR168546  Amsinckia intermedia var. eastwoodiae E. C. Twisselmann 1964-5-15 9418 Kern Sierra Nevada Mtns., Greenhorn Range, N flank of Blue Mountain 1159 Comment
  UCR72780  Sidalcea malviflora subsp. sparsifolia E. C. Twisselmann 1962-5-7 7037 Kern Sierra Nevada Mtns., canyon mouth 0.5 mi. below Kern Hot Springs 838 Comment
  UCR77855  Pectocarya penicillata E. C. Twisselmann, Eben McMillan, C. F. Smith 1968-4-24 14099 Kern Cyrus Canyon (E of Kern Valley) 1037 Comment
  UCR77865  Lupinus breweri var. grandiflorus E. C. Twisselmann 1966-6-23 12385 Kern Sierra Nevada Mtns, Greenhorn Range, Saddle north of Sunday Peak 2378 Comment
  UCR77881  Cuscuta californica E. C. Twisselmann 1966-8-26 12742 Kern Greenhorn Range, Poso Creek, 0.5 mi SW of the junction of Granite and Woody Roads. 823 Comment
  UCR77909  Phacelia mohavensis E. C. Twisselmann 1971-7-15 17871 Kern Sierra Nevada Mtns, N fork of the head of Bartolas Creek 2012 Comment
  UCR77914  Juncus effusus var. pacificus E. C. Twisselmann 1972-9-22 19203 Kern Sierra Nevada Mtns, Poso Creek 1 mi west of Glennville 915 Comment
  UCR79424  Collinsia childii E. C. Twisselmann 1965-6-4 10982 Kern Sierra Nevada Mtns, The Greenhorn Range: Petitt Meadow 1530 Comment
  UCR79429  Allophyllum integrifolium E. C. Twisselmann 1963-7-9 8575 Kern Sierra Nevada Mtns, Greenhorn Range, W slope of Black Mountain 2012 Comment
  UCR79430  Linanthus montanus E. C. Twisselmann 1957-6-21 3704 Kern Sierra Nevada Mtns, Rattlesnake Grade, 0.2 mi. NE of Davis Guard Station. 1646 Comment
  UCR88024  Sanicula graveolens E. C. Twisselmann 1957-6-21 3699 Kern Rattlesnake Grade, Greenhorn Range, Sierra Nevada Mtns. 2018 Comment
  UCR88028  Lupinus microcarpus var. densiflorus E. C. Twisselmann 1965-4-14 10531 Kern Sierra Nevada Mtns, Greenhorn Mountains, Rattlesnake Grade, canyon just SW of Rancheria Creek 610 Comment
  UCR88068  Lepidium virginicum var. pubescens E. C. Twisselmann 1964-7-25 9951 Kern Sierra Nevada foothills, Greenhorn Mtns., Lynns [Linns] Valley at the Henry Bowen Ranch 976 Comment
  UCR88213  Bowlesia incana E. C. Twisselmann 1964-4-25 9258 Kern Sierra Nevada Mtns., Howling Gulch, 3 miles SE of Woody 825 Comment
  UCR89331  Lotus nevadensis E. C. Twisselmann 1961-5-4 6111 Kern Sierra Nevada Mtns, Glennville Road, 2.5 mi. east of Granite Station. 625 Comment
  UCR89364  Lotus purshianus E. C. Twisselmann 1972-9-22 19255 Kern Sierra Nevada Mtns, Bed of Lake Isabella, c. 1 mi. south of the Kernville airport. 762 Comment
  CAS-BOT-BC100003  Balsamorhiza deltoidea Ernest C. Twisselmann 1962-5-25 7218 Kern Mt. Abel Road, 0.3 mile north of the Ventura County Line 1554 Comment
  CAS-BOT-BC111687  Schoenoplectus pungens var. longispicatus Ernest C. Twisselmann 1956-5-27 4506 Kern Canebrake Creek about 1 mile west of Walker Pass Station. 1295 Comment
  CAS-BOT-BC112372  Fimbristylis vahlii Ernest C. Twisselmann 1961-8-21 6519 Kern Kern River at Hart Memorial Park. 152 Comment
  CAS-BOT-BC112823  Eleocharis macrostachya Ernest C. Twisselmann 1958-9-3 4772 Kern Buena Vista Lake Road, 2.6 miles west of Millux Siding 83 Comment
  CAS-BOT-BC113251  Eleocharis parishii Ernest C. Twisselmann 1964-10-21 10347 Kern South fork of Kern River at Rock House Basin. 1714 Comment
  CAS-BOT-BC113864  Cyperus niger var. capitatus Ernest C. Twisselmann 1962-8-27 7736 Kern Mill Creek on the west slope of Basket Peak. 1127 Comment
  CAS-BOT-BC113950  Cyperus odoratus Ernest C. Twisselmann 1964-9-29 10224 Kern Goose Lake Canal. 76 Comment
  CAS-BOT-BC114088  Cyperus squarrosus Ernest C. Twisselmann 1961-7-26 6375 Kern Kern River at the site of old Kernville. 853 Comment
  CAS-BOT-BC114396  Cyperus erythrorhizos Ernest C. Twisselmann 1964-9-16 10217 Kern Lake Isabella flood plain, ca. 2 mi S of Kernville. 822 Comment
  CAS-BOT-BC116651  Carex subfusca Ernest C. Twisselmann 1962-9-20 7882 Kern Northwest flank of Black Mountain. 1935 Comment
  CAS-BOT-BC118376  Carex praegracilis Ernest C. Twisselmann 1964-7-17 9734 Kern Cienega above the S side of Castaic Lake. 1051 Comment
  CAS-BOT-BC129842  Salix bonplandiana Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-4-24 14080 Kern Weldon Road, 1 mile southeast of Kernville 792 Comment
  CAS-BOT-BC13095  Lepidium virginicum var. menziesii Ernest C. Twisselmann 1962-7-18 7435 Kern Sierra Nevada. Greenhorn Range. Fulton Creek on the Greenhorn Road, just above the Fulton Ranger Station. 1173 Comment
  CAS-BOT-BC133115  Rosaceae Ernest C. Twisselmann 1966-5-12 12225 Kern Lynns Valley: hill west of the Lavers Ranch 929 Comment
  CAS-BOT-BC133164  Adenostoma fasciculatum Ernest C. Twisselmann 1962-4-18 6943 Kern Tejon Ranch: Fireguard Road 1 mile from Oso Canyon Gate 1249 Comment
  CAS-BOT-BC13392  Agoseris retrorsa Ernest C. Twisselmann 1961-5-24 6231 Kern Tejon Ranch: Monroe Spring, Bear Trap Canyon 1645 Comment
  CAS-BOT-BC141408  Phacelia ramosissima var. latifolia Ernest C. Twisselmann 1959-8-19 4723 Kern Breckenridge Mountain Road, 0.4 miles east of Barrel Spring 1981 Comment
  CAS-BOT-BC14565  Boechera pulchra Ernest C. Twisselmann 1956-4-20 2670 Kern Tehachapi-Kernville Region. Butterbread Spring Road, 0.5 mile west of Kelso Valley Summit. 1386 Comment
  CAS-BOT-BC14568  Boechera pulchra Ernest C. Twisselmann 1962-4-9 6904 Kern Tehachapi-Kernville Region. North end of Kelso Valley. 1280 Comment
  CAS-BOT-BC150911  Diplacus bigelovii var. bigelovii Ernest C. Twisselmann 1966-4-26 12014 Kern Northwest slope of Government Peak, Rand Mountains 1325 Comment
  CAS-BOT-BC150913  Diplacus bigelovii var. bigelovii Ernest C. Twisselmann 1966-4-12 11861 Kern West side of the mouth of Last Chance Canyon, El Paso Range 728 Comment
  CAS-BOT-BC156464  Solanum umbelliferum E. C. Twisselmann 1964-6-10 9623 Kern Upper Castaic Valley 1280 Comment
  CAS-BOT-BC157584  Solanum umbelliferum Ernest C. Twisselmann 1966-6-9 12359 Kern Sweetwater Ridge, south of Cache Peak 2240 Comment
  CAS-BOT-BC164853  Clarkia rhomboidea Ernest C. Twisselmann 1957-6-21 3709 Kern Rattlesnake Grade, 1.3 mile northeast of the summit of Eugene Grade 1584 Comment
  CAS-BOT-BC165869  Clarkia xantiana Ernest C. Twisselmann 1963-6-11 8397 Kern Kern Canyon, 3.7 miles above the canyon mouth 365 Comment
  CAS-BOT-BC172602  Atriplex coronata Ernest C. Twisselmann 1956-6-8 2902 Kern Alkali plain 10.5 miles south of Alpaugh 60 Comment
  CAS-BOT-BC176649  Atriplex serenana var. serenana Ernest C. Twisselmann 1968-9-5 14919 Kern Bakersfield: 800 block of 19th Street 106 Comment
  CAS-BOT-BC177290  Astragalus acutirostris Ernest C. Twisselmann 1962-4-10 6800 Kern Mojave-Randsburg Region. Rand Mountains, about 4.9 miles south of the town of Red Mountain 1264 Comment
  CAS-BOT-BC177906  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1957-4-10 3384 Kern Mojave-Randsburg Region. Mohave [Mojave] Desert: 14.8 miles northwest of Boron 731 Comment
  CAS-BOT-BC177924  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1957-4-10 3361 Kern Mojave-Randsburg Region. Rand Mountains: about 1.5 mile southeast of town on Red Mountain 1097 Comment
  CAS-BOT-BC177943  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1955-4-10 1836 Kern Temblor Valley, western Kern County 487 Comment
  CAS-BOT-BC178496  Astragalus gambelianus Ernest C. Twisselmann 1961-5-24 6247 Kern Tejon Ranch, ridge about Saucelito Corrals - Tehachapi Mountains 1188 Comment
  CAS-BOT-BC179793  Centrostegia thurberi Ernest C. Twisselmann 1959-6-2 5299 Kern Tecuya Rdige. San Emigdio Range and the Mt. Pinos Region 2011 Comment
  CAS-BOT-BC180541  Astragalus asymmetricus Ernest C. Twisselmann 1969-4-12 15104 Kern Microwave Peak, Cedar Canyon - Temblor Range and the Western San Joaquin Valley 868 Comment
  CAS-BOT-BC182702  Astragalus douglasii Ernest C. Twisselmann 1956-5-3 2738 Kern San Emigdio Range. Upper Ballinger Canyon 1234 Comment
  CAS-BOT-BC182730  Astragalus douglasii Ernest C. Twisselmann 1965-7-23 11174 Kern Choice Valley: 0.25 mile northwest of the Choice Valley School 579 Comment
  CAS-BOT-BC187205  Astragalus lentiginosus var. idriensis Ernest C. Twisselmann 1962-4-18 6949 Kern Tejon Ranch: spring on the mesa about 2 miles north of Alamo Camp 1036 Comment
  CAS-BOT-BC187947  Eriastrum calocyanum Ernest C. Twisselmann 1954-5-7 1243 Kern Alec Cook Rocks: Cedar Canyon 670 Comment
  CAS-BOT-BC187948  Eriastrum calocyanum Ernest C. Twisselmann 1958-5-14 4466 Kern Forks of Cedar Canyon 487 Comment
  CAS-BOT-BC187949  Eriastrum calocyanum Ernest C. Twisselmann 1954-5-7 1243 Kern Alec Cook Rocks: Cedar Canyon 670 Comment
  CAS-BOT-BC188020  Eriodictyon tomentosum Ernest C. Twisselmann 1955-7-7 2228 Kern Ross Ridge, Temblor Mountains 822 Comment
  CAS-BOT-BC189633  Plagiobothrys torreyi Ernest C. Twisselmann 1965-7-27 11208 Kern Tehachapi-Kernville Region. Mill Creek at Breckenridge Mountain Road 2072 Comment
  CAS-BOT-BC189635  Plagiobothrys torreyi Ernest C. Twisselmann 1959-6-18 5390 Kern Tehachapi-Kernville Region. Breckenridge Mountain: woods about 1 mile S of Golf Meadow 1828 Comment
  CAS-BOT-BC191693  Chorizanthe brevicornu var. brevicornu Ernest C. Twisselmann 1964-5-6 9336 Kern Head of Red Rock Canyon. Mojave Desert 822 Comment
  CAS-BOT-BC193000  Astragalus purshii var. tinctus Ernest C. Twisselmann 1955-6-23 2190 Kern San Emigdio Range. Mt. Abel Road, 4 miles from the summit 2310 Comment
  CAS-BOT-BC193018  Astragalus purshii var. tinctus Ernest C. Twisselmann 1957-4-30 3438 Kern Havilah Road: Summit above Walker Basin 1272 Comment
  CAS-BOT-BC193019  Astragalus purshii var. tinctus Ernest C. Twisselmann 1957-4-30 3438 Kern Havilah Road: Summit above Walker Basin 1272 Comment
  CAS-BOT-BC202461  Euphorbia ocellata Ernest C. Twisselmann 1969-6-21 15638 Kern Temblor Range and the Western San Joaquin Valley. Agua Media Wash, Antelope Plains 243 Comment
  CAS-BOT-BC203314  Eremalche parryi Ernest C. Twisselmann 1956-5-31 2867 Kern Temblor Range and the Western San Joaquin Valley. Kern River near Enos Road 89 Comment
  CAS-BOT-BC203321  Eremalche parryi Ernest C. Twisselmann 1958-3-26 4205 Kern Eastern San Joaquin Valley. Seventh Standard Road, 4 miles south of Shafter 91 Comment
  CAS-BOT-BC203334  Eremalche parryi Ernest C. Twisselmann 1962-4-19 7003 Kern San Joaquin Valley. Delano Road, 0.5 mile west of Richgrove 155 Comment
  CAS-BOT-BC219986  Monardella breweri subsp. lanceolata Ernest C. Twisselmann 1962-8-27 7719 Kern Sierra Nevada, the Greenhorn Range. West slope of Basket Peak 1554 Comment
  CAS-BOT-BC223262  Sanicula bipinnatifida Ernest C. Twisselmann 1957-4-28 3414 Kern Temblor Range and the Western San Joaquin Valley. Choice Valley: 0.5 mile northwest of the Choice Valley School 640 Comment
  CAS-BOT-BC224464  Cuscuta californica Ernest C. Twisselmann 1955-6-5 2084 Kern Temblor Canyon 685 Comment
  CAS-BOT-BC225426  Gilia leptantha Ernest C. Twisselmann 1957-6-5 3643 Kern Claraville-Bodfish Road near Liebel Peak, Piute Mountains, Tehachapi-Kernville Region 2286 Comment
  CAS-BOT-BC226281  Gilia latiflora subsp. davyi Ernest C. Twisselmann 1958-4-17 4310 Kern Mojave Desert, the Mojave-Randsburg Region. South end of Soledad Mountain 845 Comment
  CAS-BOT-BC226283  Gilia latiflora subsp. davyi Ernest C. Twisselmann 1957-5-10 3496 Kern Tehachapi-Kernville Region. Southern Sierra Nevada: east slope of Gold Peak 1592 Comment
  CAS-BOT-BC226310  Gilia latiflora subsp. davyi Ernest C. Twisselmann 1962-4-10 6786 Kern Mojave Desert, the Mojave-Randsburg Region. Ridgecrest Road 5.8 miles north of Johannesburg 853 Comment
  CAS-BOT-BC226368  Gilia latiflora subsp. elongata Ernest C. Twisselmann 1962-4-10 6786 Kern Mojave Desert, the Mojave-Randsburg Region. Ridgecrest Road 5.8 miles north of Johannesburg 853 Comment
  CAS-BOT-BC241786  Eriogonum brachypodum Ernest C. Twisselmann 1955-9-16 2405 Kern Mojave Desert, the Mojave-Randsburg Region. El Paso Mountains flood plain, .8 mile east of Garlock Siding 609 Comment
  CAS-BOT-BC246232  Chorizanthe rigida Ernest C. Twisselmann 1966-4-26 12009 Kern Plain at the south base of Galileo Hill 975 Comment
  CAS-BOT-BC246399  Eriogonum deflexum var. baratum Ernest C. Twisselmann 1966-7-5 12543 Kern Tehachapi Mountains. West ridge at the head of Bronco Canyon 1554 Comment
  CAS-BOT-BC248013  Chorizanthe watsonii Ernest C. Twisselmann 1962-4-10 6785 Kern Mojave Desert, the Mojave-Randsburg Region. Rand Mountains: Government Peak 1341 Comment
  CAS-BOT-BC248033  Chorizanthe watsonii Ernest C. Twisselmann 1965-5-6 10776 Kern Mojave Desert, the Mojave-Randsburg Region. Rand Mountains: slope below the Yellow Aster Mine 1173 Comment
  CAS-BOT-BC256083  Eriogonum deflexum var. baratum Ernest C. Twisselmann 1961-7-26 6353 Kern Kernville Road, ca. 6 miles west of Weldon, Sierra Nevada 929 Comment
  CAS-BOT-BC256104  Eriogonum deflexum var. baratum Ernest C. Twisselmann 1964-10-21 10339 Kern Ridge between Lamont Meadow and Long Valley, Kern Plateau, Sierra Nevada 1859 Comment
  CAS-BOT-BC256995  Chorizanthe membranacea Ernest C. Twisselmann 1957-5-24 3556 Kern Tehachapi-Kernville Region. Kern River Canyon 739 Comment
  CAS-BOT-BC257504  Eriogonum inerme var. inerme Ernest C. Twisselmann 1957-6-5 3629 Kern Tehachapi-Kernville Region. Piute Mountains: Claraville Road, 4.3 miles southeast of Bodfish-Havilah Road 1722 Comment
  CAS-BOT-BC257543  Eriogonum inflatum Ernest C. Twisselmann 1962-5-7 7061 Kern The Mojave Deset, the Mojave-Randsburg Region. Mouth of the canyon north of El Paso Peak 899 Comment
  CAS-BOT-BC258201  Eriogonum pusillum Ernest C. Twisselmann 1965-5-6 10744 Kern The Mojave Desert, the Mojave-Randsburg Region. Rand Mountains: slope below the Yellow Aster Mine 1173 Comment
  CAS-BOT-BC258203  Eriogonum pusillum Ernest C. Twisselmann 1963-5-11 8210 Kern The Mojave Desert, the Mojave-Randsburg Region. Indian Wells Valley: Copper Basin road, 2.1 miles east of Harts Place 975 Comment
  CAS-BOT-BC263026  Eriogonum trichopes Ernest C. Twisselmann 1958-5-6 4549 Kern Mojave-Randsburg Region. El Paso Mountains: Black Hills, 0.4 miles northeast of Gerbracht's Camp 1249 Comment
  CAS-BOT-BC263459  Eriogonum thomasii Ernest C. Twisselmann 1966-4-12 11856 Kern Mouth of Last Chance Canyon, El Paso Range, Mojave Desert the Mojave-Randsburg Region 723 Comment
  CAS-BOT-BC267884  Eriogonum umbellatum Ernest C. Twisselmann 1955-6-23 2216 Kern Mt. Abel Road, 9.6 miles south of Grocer Grade Summit, San Emigdio Range 1508 Comment
  CAS-BOT-BC268286  Eriogonum roseum Ernest C. Twisselmann 1953-10-21 806 Kern Temblor Range and the Western San Joaquin Valley. Firebreak Grade: 11 miles southwest of Blackwell's Corner Comment
  CAS-BOT-BC268292  Eriogonum roseum Ernest C. Twisselmann 1957-8-13 3971 Kern Tehachapi-Kernville Region. Tehachapi Mountains: Oak Creek Canyon, near the summit 1264 Comment
  CAS-BOT-BC268297  Eriogonum roseum Ernest C. Twisselmann 1967-9-19 13724 Kern Tehachapi-Kernville Region. Scodie Mountain: Head of Horse Canyon 1897 Comment
  CAS-BOT-BC268299  Eriogonum roseum Ernest C. Twisselmann 1955-10-21 2487 Kern Tehachapi-Kernville Region. Walker Basin Road: 7 miles northeast of Caliente 1097 Comment
  CAS-BOT-BC268300  Eriogonum roseum Ernest C. Twisselmann 1955-10-21 2487 Kern Tehachapi-Kernville Region. Walker Basin Road: 7 miles northeast of Caliente 1097 Comment
  CAS-BOT-BC270144  Viola pinetorum var. grisea Ernest C. Twisselmann 1962-6-22 7343 Kern Tehachapi-Kernville Region. N end of the crest of Piute Mountain 2346 Comment
  CAS-BOT-BC272296  Leymus X multiflorus Ernest C. Twisselmann 1956-9-14 3134 Kern Mt. Abel Road, 9.9 miles north Camp Condor, San Emigdio Range 1676 Comment
  CAS-BOT-BC276373  Chaenactis carphoclinia Ernest C. Twisselmann 1958-4-24 4355 Kern Mojave Randsburg Region. El Paso Mountains: Last Chance Canyon 655 Comment
  CAS-BOT-BC276885  Chaenactis fremontii Ernest C. Twisselmann 1963-5-11 8195 Kern Mojave - Randsburg Region. Indian Wells Valley, 1.1 mile E of Robber's Roost 1097 Comment
  CAS-BOT-BC277192  Centaurea solstitialis Ernest C. Twisselmann 1962-11-14 8006 Kern San Emigdio Range and the Mt. Pinos Region. Castaic Valley, ca. 1 mile south of Lebec on the Frazier Park Road 1158 Comment
  CAS-BOT-BC277287  Chaenactis glabriuscula var. glabriuscula Ernest C. Twisselmann 1962-4-9 6886 Kern San Joaquin Valley, the Kern County East Side. Kern River Bluffs 1 mile east of Hart Park 228 Comment
  CAS-BOT-BC277289  Chaenactis glabriuscula var. glabriuscula Ernest C. Twisselmann 1957-4-3 3328 Kern Sierra Nevada, Greenhorn Range. Granite Station Road, 1.5 miles south of Woody 624 Comment
  CAS-BOT-BC277294  Chaenactis glabriuscula var. glabriuscula Ernest C. Twisselmann 1965-3-22 10491 Kern Temblor Range and the Western San Joaquin Valley. McGovern Grade, 1.8 mile east of Annette 601 Comment
  CAS-BOT-BC277727  Almutaster pauciflorus Ernest C. Twisselmann 1963-6-11 8450 Kern Tehachapi-Kernville Region. Scovern Hot Spring, below Isabella 762 Comment
  CAS-BOT-BC277728  Almutaster pauciflorus Ernest C. Twisselmann 1963-6-11 8450 Kern Tehachapi-Kernville Region. Scovern Hot Springs, below Isabella 762 Comment
  CAS-BOT-BC277729  Almutaster pauciflorus Ernest C. Twisselmann 1963-8-30 8892 Kern Tehachapi-Kernville Region. Scovern Hot Springs, below Isabella 762 Comment
  CAS-BOT-BC277986  Cirsium cymosum Ernest C. Twisselmann 1962-6-1 7251 Kern Tehachapi Mountains. Hills at the mouth of Water Canyon 1432 Comment
  CAS-BOT-BC279680  Chaenactis xantiana Ernest C. Twisselmann 1961-5-23 6144 Kern Tehachapi Mountains. Tejon Ranch: Rising Canyon 1097 Comment
  CAS-BOT-BC279867  Cichorium intybus Ernest C. Twisselmann 1959-7-7 5544 Kern Tehachapi-Kernville Region. South Fork Valley just east of Lake Isabella 792 Comment
  CAS-BOT-BC279868  Cichorium intybus Ernest C. Twisselmann 1959-7-7 5544 Kern Tehachapi-Kernville Region. South Fork Valley just east of Lake Isabella 792 Comment
  CAS-BOT-BC279869  Cichorium intybus Ernest C. Twisselmann 1957-8-5 3956 Kern Eastern San Joaquin Valley. Corral Canyon, Poso Hills 480 Comment
  CAS-BOT-BC279870  Cichorium intybus Ernest C. Twisselmann 1957-8-5 3956 Kern Eastern San Joaquin Valley. Corral Canyon, Poso Hills 480 Comment
  CAS-BOT-BC281940  Carthamus tinctorius Ernest C. Twisselmann 1955-8-13 2351 Kern Temblor Range and the Western San Joaquin Valley. Cedar Canyon, 1 mile S of Bitterwater Rd 533 Comment
  CAS-BOT-BC284326  Chaenactis stevioides Ernest C. Twisselmann 1957-4-10 3397 Kern 14.8 miles northwest of Boron, Mohave Desert, Mohave-Randsburg Region 731 Comment
  CAS-BOT-BC284335  Chaenactis stevioides Ernest C. Twisselmann 1957-4-19 3402 Kern McGovern Grade, 1.25 mile east of Annette, Temblor Range and the Western San Joaquin Valley 563 Comment
  CAS-BOT-BC285779  Cirsium vulgare Ernest C. Twisselmann 1955-9-15 2374 Kern San Emigdio Range. Castaic Valley, 1/2 miles north of Lebec 1103 Comment
  CAS-BOT-BC286097  Conyza canadensis Ernest C. Twisselmann 1958-11-1 4929 Kern Mohave-Randsburg Region. Fremont Valley: 1 mile south of Cantil 624 Comment
  CAS-BOT-BC28611  Achillea millefolium Ernest C. Twisselmann 1961-5-23 6190 Kern Tejon Ranch: Telephone Road above Tunnel Road. Tehachapi Mountains 1371 Comment
  CAS-BOT-BC291347  Cotula coronopifolia Ernest C. Twisselmann 1954-5-7 1184 Kern Carneros Creek at Carneros Rocks, Temblor Range and the Western San Joaquin Valley 449 Comment
  CAS-BOT-BC291348  Cotula coronopifolia Ernest C. Twisselmann 1954-5-7 1184 Kern Carneros Creek at Carneros Rocks, Temblor Range and the Western San Joaquin Valley 449 Comment
  CAS-BOT-BC293333  Ericameria teretifolia Ernest C. Twisselmann 1964-9-16 10210 Kern Tehachapi-Kernville Region. Kelso Canyon, 13.5 miles south of Weldon 1219 Comment
  CAS-BOT-BC296151  Erigeron foliosus var. foliosus Ernest C. Twisselmann 1963-8-8 8871 Kern Tejon Canyon, 1.5 mile west of Tejon Pass, Tehachapi Mountains 1554 Comment
  CAS-BOT-BC297058  Erigeron breweri var. breweri Ernest C. Twisselmann 1961-7-27 6426 Kern Greenhorn Summit Road 0.3 mil north of Tiger Flat, Greenhorn Range, Sierra Nevada 1981 Comment
  CAS-BOT-BC297059  Erigeron breweri var. breweri Ernest C. Twisselmann 1958-8-13 4639 Kern Summit of Sunday Peak, Greenhorn Range, Sierra Nevada 2535 Comment
  CAS-BOT-BC297065  Erigeron breweri var. breweri Ernest C. Twisselmann 1958-8-19 4712 Kern Summit of Breckenridge Mountain, Tehachapi-Kernville Region 2299 Comment
  CAS-BOT-BC298440  Eriophyllum ambiguum var. paleaceum Ernest C. Twisselmann 1964-5-6 9324 Kern Tehachapi - Kernville Region. Slope above Alphie Spring (a fork of Jawbone Canyon) 1158 Comment
  CAS-BOT-BC29897  Achyrachaena mollis Ernest C. Twisselmann 1962-5-1 7031 Kern McGovern Grade, just east of the summit, Temblor Range 320 Comment
  CAS-BOT-BC29900  Achyrachaena mollis Ernest C. Twisselmann 1965-4-14 10532 Kern Greenhorn Range, low hills near the foot of Rattlesnake Grade 624 Comment
  CAS-BOT-BC302553  Gnaphalium palustre Ernest C. Twisselmann 1956-5-31 2869 Kern Temblor Range and the Western San Joaquin Valley. Kern River near Enos Road 89 Comment
  CAS-BOT-BC302567  Gnaphalium palustre Ernest C. Twisselmann 1964-9-16 10219 Kern Lake Isabella flood plain, ca. 2 miles south of Kernville 822 Comment
  CAS-BOT-BC30955  Bolboschoenus maritimus Ernest C. Twisselmann 1953-9-23 790 Kern Lower McGovern Grade, 3 mi NE of Annette. 304 Comment
  CAS-BOT-BC310699  Euthamia occidentalis Ernest C. Twisselmann 1958-11-1 4910 Kern Eastern San Joaquin Valley. Weed Patch Region: Adobe Road, 2.8 miles south of Bear Mountain Boulevard 121 Comment
  CAS-BOT-BC310887  Heterotheca shevockii Ernest C. Twisselmann 1961-8-21 6506 Kern Sierra Nevada, Greenhorn Range. Kern Canyon just west of Richbar 472 Comment
  CAS-BOT-BC318834  Heterotheca grandiflora Ernest C. Twisselmann 1958-3-26 4203 Kern Site of old Posey Station on Poso Creek, Eastern San Joaquin Valley 243 Comment
  CAS-BOT-BC327610  Layia pentachaeta Ernest C. Twisselmann 1954-4-9 1016 Kern Alec Cook Canyon, fork of Cedar Canyon. Temblor Range and Western San Joaquin Valley. Comment
  CAS-BOT-BC332837  Lagophylla ramosissima Ernest C. Twisselmann 1965-7-6 11161 Kern Summit of Cameron Canyon, Tehachapi Mountains 1424 Comment
  CAS-BOT-BC332838  Lagophylla ramosissima Ernest C. Twisselmann 1965-7-6 11157 Kern Highline Road at Water Canyon Road, south side of Tehachapi Valley, Tehachapi Mountains 1386 Comment
  CAS-BOT-BC332839  Lagophylla ramosissima Ernest C. Twisselmann 1960-9-7 6002 Kern Choice Valley 1 mile north of the Choice Valley School, Temblor Range and the Western San Joaquin Valley 601 Comment
  CAS-BOT-BC337998  Lasthenia californica Ernest C. Twisselmann 1954-4-9 1027 Kern Temblor Range and the Western San Joaquin Valley. Cedar Canyon: Alec Cook Rocks 701 Comment
  CAS-BOT-BC338012  Lasthenia californica Ernest C. Twisselmann 1965-5-5 10663 Kern Mojave Desert, Mojave-Randsburg Region. Northwest end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-BC338017  Lasthenia californica Ernest C. Twisselmann 1958-4-17 4322 Kern Mojave Desert, Mojave-Randsburg Region. Plain at the north end of Soledad Mountain 853 Comment
  CAS-BOT-BC338018  Lasthenia californica Ernest C. Twisselmann 1958-4-17 4322 Kern Mojave Desert, Mojave-Randsburg Region. Plain at the north end of Soledad Mountain 853 Comment
  CAS-BOT-BC338019  Lasthenia californica Ernest C. Twisselmann 1957-4-10 3390 Kern Mohave-Randsburg Region. Mohave Desert: 11.3 miles northwest of Boron 716 Comment
  CAS-BOT-BC338037  Lasthenia californica Ernest C. Twisselmann 1957-3-27 3278 Kern Eastern San Joaquin Valley. Southeast of Arvin at the foot of Horsethief Flat Road 190 Comment
  CAS-BOT-BC338038  Lasthenia californica Ernest C. Twisselmann 1957-3-27 3278 Kern Eastern San Joaquin Valley. Southeast of Arvin at the foot of Horsethief Flat Road 190 Comment
  CAS-BOT-BC338039  Lasthenia californica Ernest C. Twisselmann 1955-3-15 1715 Kern Temblor Range and the Western San Joaquin Valley. Elk Hills 381 Comment
  CAS-BOT-BC338048  Lasthenia californica Ernest C. Twisselmann 1958-3-22 4141 Kern Temblor Range and the Western San Joaquin Valley. Alkali plain just east of the Semitropic School 91 Comment
  CAS-BOT-BC339224  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1956-5-31 2866 Kern Temblor Range and the Western San Joaquin Valley. Kern River, approximately 3 miles north of Buena Vista Lake 89 Comment
  CAS-BOT-BC339231  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1953-6-6 537 Kern Temblor Range and the Western San Joaquin Valley. Alec Cook Spring, upper Cedar Canyon 670 Comment
  CAS-BOT-BC340553  Lactuca serriola Ernest C. Twisselmann 1960-9-7 6001 Kern Temblor Range and the Western San Joaquin Valley. Choice Valley, 1 mile north of the Choice Valley School 601 Comment
  CAS-BOT-BC340567  Lactuca serriola Ernest C. Twisselmann 1955-7-13 2249 Kern Temblor Range and the Western San Joaquin Valley. Duck Club Road, 4 1/2 miles north of Semitropic School 62 Comment
  CAS-BOT-BC340568  Lactuca serriola Ernest C. Twisselmann 1964-9-29 10263 Kern San Joaquin Valley, Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC340569  Lactuca serriola Ernest C. Twisselmann 1964-9-29 10263 Kern San Joaquin Valley, Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC340570  Lactuca serriola Ernest C. Twisselmann 1954-7-20 1445 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough at Highway US466 Bridge, 3 miles east of Lost Hills 73 Comment
  CAS-BOT-BC342174  Logfia filaginoides Ernest C. Twisselmann 1957-5-24 3553 Kern Tehachapi-Kernville Region. Kern River Canyon 739 Comment
  CAS-BOT-BC343651  Madia elegans Ernest C. Twisselmann 1957-5-24 3598 Kern Sierra Nevada, Greenhorn Range. Alta Sierra Road: 5.9 miles east of Glennville 1188 Comment
  CAS-BOT-BC345502  Malacothrix coulteri Ernest C. Twisselmann 1962-4-10 6854 Kern Mojave Desert. Antelope Valley: Avenue A, 3.1 miles west of Highway 6, Kern & Los Angeles Counties 670 Comment
  CAS-BOT-BC34686  Solanum lycopersicum E. C. Twisselmann 1956-7-10 3026 Kern Buena Vista Canal, 0.5 mile N of McKittrick-Buttonwillow Hwy. 91 Comment
  CAS-BOT-BC347660  Malacothrix glabrata Ernest C. Twisselmann 1954-4-15 1070 Kern Temblor Range and the Western San Joaquin Valley. Carneros Creek Bank, 2 1/2 miles west of Middlewater Pump Station 274 Comment
  CAS-BOT-BC347672  Malacothrix glabrata Ernest C. Twisselmann 1957-5-10 3530 Kern Mohave-Randsburg Region. East fork of Red Rock Canyon 723 Comment
  CAS-BOT-BC348282  Matricaria occidentalis Ernest C. Twisselmann 1968-3-14 14056 Kern San Joaquin Valley. Cole property on the Corcoran Road, ca. 7 miles north of Highway US 46 106 Comment
  CAS-BOT-BC348471  Micropus californicus var. californicus Ernest C. Twisselmann 1956-4-14 2640 Kern Temblor Range and the Western San Joaquin Valley. Carneros Rocks 502 Comment
  CAS-BOT-BC349714  Monoptilon bellidiforme Ernest C. Twisselmann 1963-5-11 8191 Kern Tehachapi-Kernville Region. Mouth of Sage Canyon, Scodie (Kiavah) Mountain 1127 Comment
  CAS-BOT-BC356407  Pseudognaphalium beneolens Ernest C. Twisselmann 1964-9-16 10173 Kern Tehachapi-Kernville Region. North end of Piute Mountain, 4.8 miles above Bodfish Gap 1767 Comment
  CAS-BOT-BC356408  Pseudognaphalium beneolens Ernest C. Twisselmann 1964-9-16 10173 Kern Tehachapi-Kernville Region. North end of Piute Mountain, 4.8 miles above Bodfish Gap 1767 Comment
  CAS-BOT-BC357022  Pseudognaphalium luteoalbum Ernest C. Twisselmann 1956-4-20 2701 Kern Tehachapi-Kernville Region. Kelso Creek, 7.8 miles south of Weldon 929 Comment
  CAS-BOT-BC361941  Psilocarphus tenellus Ernest C. Twisselmann 1965-5-17 10884 Kern Sierra Nevada, Greenhorn Range. Fugitt Road at Blue Mountain Fire Road, Lynns Valley 914 Comment
  CAS-BOT-BC362313  Pyrrocoma racemosa var. paniculata Ernest C. Twisselmann 1964-9-16 10169 Kern Tehachapi-Kernville Region. Scovern Hot Springs (Isabella alkali flats) 762 Comment
  CAS-BOT-BC362985  Rigiopappus leptocladus Ernest C. Twisselmann 1962-6-21 7401 Kern Tehachapi Mountains. Tejon Ranch: Tunis Ridge 1371 Comment
  CAS-BOT-BC364561  Senecio vulgaris Ernest C. Twisselmann 1958-3-22 4155 Kern Eastern San Joaquin Valley. Farmed field, 3.4 miles northeast of Famosa 167 Comment
  CAS-BOT-BC364826  Silybum marianum Ernest C. Twisselmann 1955-6-4 2075 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Canal, 2.5 miles southeast of Lost Hills 94 Comment
  CAS-BOT-BC374437  Sonchus asper Ernest C. Twisselmann 1964-5-26 9534 Kern Tehachapi Mountains. Caliente Canyon 822 Comment
  CAS-BOT-BC374442  Sonchus asper Ernest C. Twisselmann 1954-11-9 1658 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Lake Bed 94 Comment
  CAS-BOT-BC375787  Stephanomeria virgata Ernest C. Twisselmann 1971-4-26 17659 Kern Mouth of Cyrus Canyon 792 Comment
  CAS-BOT-BC375788  Stephanomeria virgata Ernest C. Twisselmann 1957-7-23 3819 Kern Sierra Nevada, Greenhorn Range. Greenhorn Pass Road, 1 mile east of Fulton Ranger Station 1165 Comment
  CAS-BOT-BC375789  Stephanomeria virgata Ernest C. Twisselmann 1962-8-27 7730 Kern Sierra Nevada, Greenhorn Range. High hill above the head of Lumreau Creek 1310 Comment
  CAS-BOT-BC376644  Syntrichopappus fremontii Ernest C. Twisselmann 1962-4-10 6784 Kern Mojave Desert, Mojave-Randsburg Region. Rand Mountains: Government Peak 1341 Comment
  CAS-BOT-BC378833  Ranunculus canus Ernest C. Twisselmann 1965-4-21 10581 Kern Tejon Canyon 488 Comment
  CAS-BOT-BC378835  Ranunculus canus Ernest C. Twisselmann 1958-8-7 4556 Kern Tejon Ranch; meadow near the summit of the southwest end of Catskin Basin (Mojave drainage) 1829 Comment
  CAS-BOT-BC379177  Ranunculus aquatilis var. aquatilis Ernest C. Twisselmann 1963-8-8 8858 Kern Tehachapi Mountains, Tejon Pass; vernal pool 0.5 mi west of White Oak Lodge 1524 Comment
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Dec 22 2018
  CAS-BOT-BC379178  Ranunculus aquatilis var. aquatilis Ernest C. Twisselmann 1963-8-8 8858 Kern Tehachapi Mountains, Tejon Pass; vernal pool 0.5 mi west of White Oak Lodge 1524 Comment
  CAS-BOT-BC381854  Uropappus lindleyi Ernest C. Twisselmann 1955-4-14 1857 Kern Temblor Range and the Western San Joaquin Valley. Chico Martinez Canyon, western Kern County 472 Comment
  CAS-BOT-BC383935  Abronia pogonantha Ernest C. Twisselmann 1969-5-21 15318 Kern Mojave Desert, Red Rock Canyon. Sandy flat northeast of the Freeway bridge 762 Comment
  CAS-BOT-BC383950  Abronia pogonantha Ernest C. Twisselmann 1963-5-11 8201 Kern Mojave Desert, Mojave-Randsburg Region. Slope below Holly Mine, northwest end of El Paso Mountains 1097 Comment
  CAS-BOT-BC388287  Cerastium glomeratum Ernest C. Twisselmann 1959-5-2 5147 Kern Tehachapi-Kernville Region. Breckenridge Mountain: Daughtery [Dougherty] Creek road at Cow Flat Creek 914 Comment
  CAS-BOT-BC388288  Cerastium glomeratum Ernest C. Twisselmann 1959-5-2 5147 Kern Tehachapi-Kernville Region. Breckenridge Mountain: Daughtery [Dougherty] Creek road at Cow Flat Creek 914 Comment
  CAS-BOT-BC388636  Minuartia douglasii Ernest C. Twisselmann 1959-5-2 5145 Kern Tehachapi-Kernville Region. Breckenridge Mountain: Daugherty [Dougherty] Creek road at Lucas Creek 876 Comment
  CAS-BOT-BC388644  Minuartia douglasii Ernest C. Twisselmann 1963-5-17 8240 Kern Sierra Nevada, Greenhorn Range. Granite outcrop above Poso Creek Narrows 929 Comment
  CAS-BOT-BC390085  Spergularia atrosperma Ernest C. Twisselmann 1969-5-21 15380 Kern Mojave Desert, Red Rock Canyon. Tarweed Creek 762 Comment
  CAS-BOT-BC390782  Spergularia marina Ernest C. Twisselmann 1964-7-17 9756 Kern Tehachapi Mountains. North side of Castaic Lake 1051 Comment
  CAS-BOT-BC390789  Spergularia marina Ernest C. Twisselmann 1962-4-19 7001 Kern San Joaquin Valley, the Kern County East Side. Tulare Plains: Garces Road 1.7 mile east of Rowlee Road 57 Comment
  CAS-BOT-BC391133  Stellaria longipes subsp. longipes Ernest C. Twisselmann 1965-7-27 11209 Kern Tehachapi-Kernville Region. Mill Creek at Breckenridge Mountain Road 2072 Comment
  CAS-BOT-BC394964  Stellaria nitens Ernest C. Twisselmann 1957-3-27 3297 Kern Kern Mesa at the foot of White Wolf Grade, Shandon 373 Comment
  CAS-BOT-BC394966  Stellaria nitens Ernest C. Twisselmann 1964-5-15 9431 Kern W side of the summit of Blue Mountain 1493 Comment
  CAS-BOT-BC400280  Anemopsis californica Ernest C. Twisselmann 1963-6-3 8305 Kern San Emigdio Range and the Mt. Pinos Region. Lower end of Neasons Flat 975 Comment
  CAS-BOT-BC401241  Hypericum perforatum Ernest C. Twisselmann 1964-9-16 10222 Kern Weldon Road, 1 mile south of Kernville 807 Comment
  CAS-BOT-BC401719  Argemone munita subsp. munita Ernest C. Twisselmann 1954-5-7 1180 Kern Temblor Range and the Western San Joaquin Valley. Little Carneros Spring, Carneros Canyon, 1 1/2 miles west of Carneros Rocks 548 Comment
  CAS-BOT-BC402029  Gilia ochroleuca subsp. bizonata Ernest C. Twisselmann 1955-6-7 2102 Kern San Emigdio Range. Ballinger Canyon 1158 Comment
  CAS-BOT-BC402030  Gilia ochroleuca subsp. bizonata Ernest C. Twisselmann 1955-6-7 2102 Kern San Emigdio Range. Ballinger Canyon 1158 Comment
  CAS-BOT-BC402683  Eschscholzia caespitosa Ernest C. Twisselmann 1960-4-2 5937 Kern Tehachapi-Kernville Region. Kern Canyon: 4.2 miles west of Democrat Guard Station 594 Comment
  CAS-BOT-BC402685  Eschscholzia caespitosa Ernest C. Twisselmann 1963-5-17 8234 Kern Sierra Nevada, Greenhorn Range. Slope on the south side of Poso Creek Narrows 914 Comment
  CAS-BOT-BC403054  Eschscholzia californica Ernest C. Twisselmann 1962-5-1 7028 Kern Temblor Range and the Western San Joaquin Valley. Plains at the west base of Point of Rocks 304 Comment
  CAS-BOT-BC403077  Eschscholzia californica Ernest C. Twisselmann 1957-4-30 3459 Kern Tehachapi-Kernville Region. Havilah Canyon: 0.5 mile north of Bar O Ranch 853 Comment
  CAS-BOT-BC403078  Eschscholzia californica Ernest C. Twisselmann 1962-4-19 6979 Kern Sierra Nevada, Greenhorn Range. Granite Station Road, 4 miles west of Glennville 807 Comment
  CAS-BOT-BC403098  Eschscholzia californica Ernest C. Twisselmann 1966-5-10 12147 Kern Tehachapi-Kernville Region. Havilah 914 Comment
  CAS-BOT-BC403099  Eschscholzia californica Ernest C. Twisselmann 1966-5-10 12147 Kern Tehachapi-Kernville Region. Havilah 914 Comment
  CAS-BOT-BC403105  Eschscholzia californica Ernest C. Twisselmann 1962-4-18 6962 Kern Tehachapi Mountains. Tejon Ranch: Oso Canyon 1188 Comment
  CAS-BOT-BC403823  Hesperocnide tenella Ernest C. Twisselmann 1953-4-3 639 Kern Temblor Range and the Western San Joaquin Valley. Outlaw Rocks: Jim Cook Spring, Upper Cedar Canyon, western Kern County 548 Comment
  CAS-BOT-BC404095  Urtica dioica subsp. holosericea Ernest C. Twisselmann 1954-5-20 1276 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough, at US 466 Bridge, 3 miles east of Lost Hills 73 Comment
  CAS-BOT-BC404313  Urtica urens Ernest C. Twisselmann 1965-4-14 10533 Kern Sierra Nevada, Greenhorn Range. Rancheria Creek at the foot of Rattlesnake Grade 640 Comment
  CAS-BOT-BC40611  Erysimum capitatum Ernest C. Twisselmann 1958-4-19 4706 Kern Tehachapi-Kernville Region. Northwest end of Breckenridge Mountain Public Camp. 2103 Comment
  CAS-BOT-BC40665  Erysimum capitatum Ernest C. Twisselmann 1969-4-19 15142 Kern Tehachapi-Kernville Region. Kern Canyon: 1 mile west of Richbar (Live Oak Campground). 411 Comment
  CAS-BOT-BC412744  Lastarriaea coriacea Ernest C. Twisselmann 1962-5-1 7029 Kern Temblor Range and the Western San Joaquin Valley. Point of Rocks 335 Comment
  CAS-BOT-BC412993  Bistorta bistortoides Ernest C. Twisselmann 1957-6-21 3742 Kern Sierra Nevada, Greenhorn Range. Shirley Meadows 2057 Comment
  CAS-BOT-BC412995  Bistorta bistortoides Ernest C. Twisselmann 1965-7-27 11204 Kern Tehachapi-Kernville Region. Mill Creek at Breckenridge Mountain Road 2072 Comment
  CAS-BOT-BC413332  Oxytheca perfoliata Ernest C. Twisselmann 1957-5-10 3493 Kern Mohave-Randsburg Region. Indian Wells Valley: Highway 6, 2.5 miles south of Hart's Place 762 Comment
  CAS-BOT-BC413513  Persicaria amphibia Ernest C. Twisselmann 1954-11-9 1661 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Lake Bed 94 Comment
  CAS-BOT-BC413987  Polygonum aviculare subsp. aviculare Ernest C. Twisselmann 1964-9-16 10199 Kern Tehachapi-Kernville Region. Spring at the east end of Landers Meadow, Piute Mountains 1981 Comment
  CAS-BOT-BC413988  Polygonum aviculare subsp. aviculare Ernest C. Twisselmann 1954-6-27 1399 Kern Temblor Range and the Western San Joaquin Valley. Las Yeguas Creek: 1 mile north of Las Yeguas Ranch; Temblor Mountains 731 Comment
  CAS-BOT-BC413989  Polygonum aviculare subsp. aviculare Ernest C. Twisselmann 1954-6-27 1399 Kern Temblor Range and the Western San Joaquin Valley. Las Yeguas Creek: 1 mile north of Las Yeguas Ranch, Temblor Mountains 731 Comment
  CAS-BOT-BC414326  Polygonum aviculare subsp. neglectum Ernest C. Twisselmann 1965-10-1 1166 Kern Sierra Nevada, Greenhorn Range. Cedar Creek, 0.25 mile below Lumreau Creek 777 Comment
  CAS-BOT-BC414474  Polygonum douglasii Ernest C. Twisselmann 1965-7-27 11198 Kern Tehachapi-Kernville Region. Mill Creek at Breckenridge Mountain Road 2072 Comment
  CAS-BOT-BC416996  Sedella pumila Ernest C. Twisselmann 1963-5-17 8241 Kern Granite outcrop above Poso Creek Narrows 929 Comment
  CAS-BOT-BC419196  Persicaria maculosa Ernest C. Twisselmann 1959-7-7 5547 Kern Tehachapi-Kernville Region. South fork of Kern River, just east of Weldon 807 Comment
  CAS-BOT-BC419750  Polygonum argyrocoleon Ernest C. Twisselmann 1958-9-3 4790 Kern Temblor Range and the Western San Joaquin Valley. Irrigation ditch overflow area just north of Goose Lake 71 Comment
  CAS-BOT-BC421165  Pterostegia drymarioides Ernest C. Twisselmann 1963-4-26 8108 Kern Sierra Nevada, Greenhorn Range. Poso Creek just above Poso Mine 624 Comment
  CAS-BOT-BC421174  Pterostegia drymarioides Ernest C. Twisselmann 1954-4-15 1115 Kern Temblor Range and the Western San Joaquin Valley. Summit of Ross Ridge: 12 miles southwest of Blackwell's Corner 914 Comment
  CAS-BOT-BC421649  Rumex crispus Ernest C. Twisselmann 1959-7-4 5425 Kern Eastern San Joaquin Valley. Bakersfield District: Olive Road, 1.3 mile west of Highway U.S. 99. 121 Comment
  CAS-BOT-BC421654  Rumex crispus Ernest C. Twisselmann 1958-8-7 4557 Kern Tehachapi-Kernville Region. Tejon Ranch: meadow near the summit of the southwest end of Catskin Basin (Mojave drainage). 1828 Comment
  CAS-BOT-BC421660  Rumex crispus Ernest C. Twisselmann 1971-6-21 17783 Kern South Fork of Kern River, 0.5 mile below the Kernville Highway bridge 762 Comment
  CAS-BOT-BC421944  Rumex acetosella Ernest C. Twisselmann 1964-7-25 9966 Kern Sierra Nevada, Greenhorn Range. Lynns Valley at the Henry Bowen Ranch 975 Comment
  CAS-BOT-BC422522  Hesperomecon linearis Ernest C. Twisselmann 1957-4-30 3422 Kern Tehachapi-Kernville Region. Kern River Canyon at Breckenridge Mountain Road. 624 Comment
  CAS-BOT-BC422837  Papaver hybridum Ernest C. Twisselmann 1962-4-8 6770 Kern Temblor Range and the Western San Joaquin Valley. Antelope Valley, western Kern County 274 Comment
  CAS-BOT-BC422954  Stylomecon heterophylla Ernest C. Twisselmann 1958-4-12 4224 Kern Eastern San Joaquin Valley. Granite Creek Canyon, 1.3 mile north of Poso Creek. 304 Comment
  CAS-BOT-BC422956  Stylomecon heterophylla Ernest C. Twisselmann 1957-3-27 3277 Kern Tehachapi-Kernville Region. Tehachapi Mountains: Horsetheif [Horsethief] Flat Road. 381 Comment
  CAS-BOT-BC422960  Stylomecon heterophylla Ernest C. Twisselmann 1952-4-22 222 Kern Temblor Range and the Western San Joaquin Valley. Messa Ridge, 3 miles west of Carneros Rocks 853 Comment
  CAS-BOT-BC423380  Wislizenia californica Ernest C. Twisselmann 1958-9-3 4787 Kern Eastern San Joaquin Valley. Jerry Slough at Brandt Road. 91 Comment
  CAS-BOT-BC426315  Chenopodium album Ernest C. Twisselmann 1959-7-4 5446 Kern Eastern San Joaquin Valley, Weedpatch District: Adobe Road 1.2 mil north of Bear Mountain Blvd. 121 Comment
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Oct 27 2020
  CAS-BOT-BC427001  Lithophragma parviflorum var. parviflorum Ernest C. Twisselmann 1962-6-21 7391 Kern Tejon Ranch: Maxillano Ridge; Tehachapi Mountains 1371 Comment
  CAS-BOT-BC427443  Oligomeris linifolia Ernest C. Twisselmann 1966-4-26 11987 Kern Mojave Desert, Mojave-Randsburg Region. Southeast base of El Paso Mountains, ca. 1.5 miles east of the mouth of Last Chance Canyon. 701 Comment
  CAS-BOT-BC427722  Crassula connata Ernest C. Twisselmann 1957-3-27 3291 Kern Eastern San Joaquin Valley. Kern Mesa at the foot of White Wolf Grade. 373 Comment
  CAS-BOT-BC428097  Dudleya cymosa subsp. cymosa Ernest C. Twisselmann 1956-5-17 2843 Kern Tehachapi-Kernville Region. Bakersfield Road, 0.5 mile west of Caliente. 420 Comment
  CAS-BOT-BC428098  Dudleya cymosa subsp. cymosa Ernest C. Twisselmann 1956-5-17 2843 Kern Tehachapi-Kernville Region. Bakersfield Road, 0.5 mile west of Caliente. 420 Comment
  CAS-BOT-BC428392  Dudleya lanceolata Ernest C. Twisselmann 1961-5-23 6265 Kern Tehachapi Mountains. Tejon Ranch: Telephone Road on the ridge east of Grasshopper Flat. 914 Comment
  CAS-BOT-BC433566  Rumex hymenosepalus Ernest C. Twisselmann 1971-4-26 17658 Kern Mouth of Cyrus Canyon 792 Comment
  CAS-BOT-BC434343  Rumex violascens Ernest C. Twisselmann 1954-11-29 1676 Kern Temblor Range and the Western San Joaquin Valley. Las Yeguas Creek, 2 miles north of Las Yeguas Ranch, Temblor Mountains 822 Comment
  CAS-BOT-BC434345  Rumex violascens Ernest C. Twisselmann 1953-8-17 715 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough at U.S. 466 Bridge, 2 miles east of Lost Hills 76 Comment
  CAS-BOT-BC43458  Descurainia sophia Ernest C. Twisselmann 1956-3-16 2538 Kern Mojave Desert. Mojave-Randsburg Region. 9.5 miles northeast of Mojave. 784 Comment
  CAS-BOT-BC43462  Descurainia sophia Ernest C. Twisselmann 1962-4-9 6891 Kern Tehachapi-Kernville Region. South Fork Valley, 5.7 miles west of Onyx. 746 Comment
  CAS-BOT-BC43475  Descurainia sophia Ernest C. Twisselmann 1965-5-5 10697 Kern Mojave Desert. Mojave-Randsburg Region. Abandoned farm north of Buckhorn Dry Lake, Edwards Air Force Base. 762 Comment
  CAS-BOT-BC434802  Mirabilis laevis var. retrorsa Ernest C. Twisselmann 1962-6-1 7280 Kern Mojave Desert, Mojave-Randsburg Region. Cache Creek, about 0.5 miles west of Big Bend. 853 Comment
  CAS-BOT-BC435091  Mollugo verticillata Ernest C. Twisselmann 1959-7-4 5419 Kern Eastern San Joaquin Valley. Rosedale District: Brimhall Road. 121 Comment
  CAS-BOT-BC435401  Lithophragma cymbalaria Ernest C. Twisselmann 1955-4-14 1852 Kern Upper Chico Martinez Canyon, western Kern County. 533 Comment
  CAS-BOT-BC436580  Luzula cascadensis Ernest C. Twisselmann 1959-5-21 5221 Kern Sierra Nevada, Greenhorn Range. Peel Creek at the Tulare County Line 1706 Comment
  CAS-BOT-BC437173  Lithophragma parviflorum Ernest C. Twisselmann 1956-4-20 2648 Kern Kern River Canyon near Miracle (Hobo) Hot Springs. 670 Comment
  CAS-BOT-BC437175  Lithophragma parviflorum Ernest C. Twisselmann 1957-6-5 3639 Kern Piute Mountains: Bodfish Road, 0.5 mile northwest of Saddle Springs. 2087 Comment
  CAS-BOT-BC438280  Trianthema portulacastrum Ernest C. Twisselmann 1969-10-16 16291 Kern San Joaquin Valley, the Kern County East Side. DiGiorgio Road, 0.5 mile west of Cottonwood Road. 91 Comment
  CAS-BOT-BC438291  Trianthema portulacastrum Ernest C. Twisselmann 1958-10-16 4882 Kern Temblor Range and the Western San Joaquin Valley. Goose Lake Road, 0.5 mile south of U.S. 466, (near Semitropic) 97 Comment
  CAS-BOT-BC438718  Cistanthe monandra Ernest C. Twisselmann 1964-6-21 9632 Kern Tehachapi Mountains. East slope of Bear Mountain. 1889 Comment
  CAS-BOT-BC438720  Cistanthe monandra Ernest C. Twisselmann 1958-4-17 4313 Kern Mojave Desert, Mojave-Randsburg Region. South end of Soledad Mountain. 845 Comment
  CAS-BOT-BC439481  Claytonia parviflora subsp. parviflora Ernest C. Twisselmann 1953-4-1 200 Kern Temblor Range and the Western San Joaquin Valley. Messa Ridge, 3 miles west of Carneros Rocks 792 Comment
  CAS-BOT-BC439490  Claytonia parviflora subsp. parviflora Ernest C. Twisselmann 1966-5-10 12140 Kern Tehachapi-Kernville Region. Piute Mountains: Haight Canyon, 0.8 mile east of Havilah. 1036 Comment
  CAS-BOT-BC439699  Claytonia parviflora subsp. viridis Ernest C. Twisselmann 1954-4-15 1061 Kern Temblor Range and the Western San Joaquin Valley. Ross Ridge Summit; 11 miles southwest of Blackwell's Corner 944 Comment
  CAS-BOT-BC439825  Claytonia perfoliata Ernest C. Twisselmann 1962-4-10 6773 Kern Mojave Desert, Mojave-Randsburg Region. Highway 395, 14.9 miles north of Mojave. 701 Comment
  CAS-BOT-BC439901  Claytonia perfoliata subsp. intermontana Ernest C. Twisselmann 1966-5-20 12326 Kern Tehachapi-Kernville Region. West end of Tollgate Ridge. 1752 Comment
  CAS-BOT-BC444460  Lewisia rediviva var. rediviva Ernest C. Twisselmann 1962-5-7 7032 Kern Sierra Nevada, Greenhorn Range. Granite Station Road, 7.4 miles west of Glennville 1005 Comment
  CAS-BOT-BC444681  Montia chamissoi Ernest C. Twisselmann 1965-7-27 11212 Kern Tehachapi-Kernville Region. Mill Creek at Breckenridge Mountain Road. 2072 Comment
  CAS-BOT-BC445262  Portulaca oleracea Ernest C. Twisselmann 1971-8-6 18063 Kern Temblor Range and the Western San Joaquin Valley. Belridge Plains: Lost Hills Road, 3 miles north of Lerdo Road. 121 Comment
  CAS-BOT-BC445267  Portulaca oleracea Ernest C. Twisselmann 1963-9-6 8956 Kern San Joaquin Valley, the Kern County East Side. Lake Woolloomes, near Delano. 114 Comment
  CAS-BOT-BC445268  Portulaca oleracea Ernest C. Twisselmann 1961-8-22 6546 Kern Kern River, 3.4 miles south of Kernville 784 Comment
  CAS-BOT-BC445269  Portulaca oleracea Ernest C. Twisselmann 1968-10-10 15013 Kern Temblor Range and the Western San Joaquin Valley. Twisselmann Road, 1.5 mile west of the Central Valley Canal 106 Comment
  CAS-BOT-BC445270  Portulaca oleracea Ernest C. Twisselmann 1968-10-10 15013 Kern Temblor Range and the Western San Joaquin Valley. Twisselmann Road, 1.5 mile west of the Central Valley Canal 106 Comment
  CAS-BOT-BC445588  Echinodorus berteroi Ernest C. Twisselmann 1958-10-16 4880 Kern Temblor Range and the Western San Joaquin Valley. Taft Highway, 0.25 mile west of the Tupman-Buttonwillow Road 88 Comment
  CAS-BOT-BC445594  Echinodorus berteroi Ernest C. Twisselmann 1954-9-26 1584 Kern Temblor Range and the Western San Joaquin Valley. Tupman Highway, 2 miles south of Buttonwillow 82 Comment
  CAS-BOT-BC445705  Sagittaria latifolia Ernest C. Twisselmann 1962-11-14 8011 Kern San Joaquin Valley, the Kern County East Side. Panama Road about 1 mile east of Greenfield. 106 Comment
  CAS-BOT-BC452137  Potamogeton crispus Ernest C. Twisselmann 1958-10-1 4821 Kern Tehachapi-Kernville Region. Kern River Canyon: Kern River at Hobo Hot Springs. 728 Comment
  CAS-BOT-BC452138  Potamogeton crispus Ernest C. Twisselmann 1961-7-27 6455 Kern Kern River at Borel Intake (east of Wofford) 784 Comment
  CAS-BOT-BC452139  Potamogeton crispus Ernest C. Twisselmann 1964-7-25 9968 Kern Sierra Nevada, Greenhorn Range. Poso Creek at the Henry Bowen Ranch 975 Comment
  CAS-BOT-BC45298  Ancistrocarphus filagineus Ernest C. Twisselmann 1955-4-14 1853 Kern Summit of Chico Martinez Canyon, Temblor Range 640 Comment
  CAS-BOT-BC454101  Ruppia cirrhosa Ernest C. Twisselmann 1964-7-17 9740 Kern Tehachapi Mountains. Castaic Lake. 1051 Comment
  CAS-BOT-BC457034  Geum macrophyllum Ernest C. Twisselmann 1956-9-20 3196 Kern Brown Meadow, Piute Mountains, Tehachapi-Kernville Region 2301 Comment
  CAS-BOT-BC460508  Pterospora andromedea Ernest C. Twisselmann 1958-8-19 4718 Kern Tehachapi-Kernville Region: Breckenridge Mountain Road, 0.4 mi. E of Barrel Spring 1981 Comment
  CAS-BOT-BC462745  Pyrola dentata Ernest C. Twisselmann; Clifton F. Smith; Eben McMillan 1966-10-28 12899 Kern Sierra Nevada, Kern Plateau: Ridge SE of Pine Flat 2377 Comment
  CAS-BOT-BC465464  Allium campanulatum Ernest C. Twisselmann 1962-6-22 7304 Kern Piute Mountains: Woolstaff Meadow; Tehachapi-Kernville Region 2270 Comment
  CAS-BOT-BC465473  Allium campanulatum Ernest C. Twisselmann 1966-7-13 12589 Kern Small meadow 0.75 mile north of the head of Bitter Creek, Mt. Pinos; The San Emigdio Range and the Mt. Pinos Region 2560 Comment
  CAS-BOT-BC466290  Pterospora andromedea Ernest C. Twisselmann 1957-7-23 3833 Kern Sierra Nevada: Greenhorn Range. Portugese Pass Road, 4.8 mile N of Greenhorn Summit 2057 Comment
  CAS-BOT-BC466330  Sarcodes sanguinea Ernest C. Twisselmann 1971-7-15 17906 Kern Sierra Nevada: Kern Plateau. South fork of the head of Bartolas Creek 1981 Comment
  CAS-BOT-BC466746  Allium crispum Ernest C. Twisselmann 1952-3-12 109 Kern Old reservoir at the Fred Twisselmann place Comment
  CAS-BOT-BC468947  Allium denticulatum Ernest C. Twisselmann 1958-5-27 4503 Kern West slope of Walker Pass 1493 Comment
  CAS-BOT-BC468948  Allium denticulatum Ernest C. Twisselmann 1957-5-10 3505 Kern East fork of Red Rock Canyon. 701 Comment
  CAS-BOT-BC468949  Allium denticulatum Ernest C. Twisselmann 1957-5-10 3505 Kern East fork of Red Rock Canyon. 701 Comment
  CAS-BOT-BC468954  Allium denticulatum Ernest C. Twisselmann 1966-5-10 12143 Kern Piute Mountains: Haight Canyon, 0.8 mile east of Havilah. 1036 Comment
  CAS-BOT-BC468956  Allium denticulatum Ernest C. Twisselmann 1958-5-27 4503 Kern West slope of Walker Pass 1493 Comment
  CAS-BOT-BC468960  Allium diabolense Ernest C. Twisselmann 1962-5-25 7200 Kern Hill just north of Toad Spring, head of Quatal Canyon, San Emigdio Range, Mt. Pinos Region 1737 Comment
  CAS-BOT-BC469327  Allium fimbriatum var. fimbriatum Ernest C. Twisselmann 1957-6-25 3798 Kern Summit of Mt. Pinos 2690 Comment
  CAS-BOT-BC469328  Allium fimbriatum var. fimbriatum Ernest C. Twisselmann 1957-6-25 3798 Kern Summit of Mt. Pinos 2690 Comment
  CAS-BOT-BC469329  Allium fimbriatum var. fimbriatum Ernest C. Twisselmann 1961-6-22 6335 Kern Summit of Sawmill Mountain 2682 Comment
  CAS-BOT-BC470960  Allium hyalinum Ernest C. Twisselmann 1963-5-17 8268 Kern Poso Creek Canyon, 2.25 miles above Poso Mine; Sierra Nevada; Greenhorn Range Comment
  CAS-BOT-BC472019  Allium lacunosum var. davisiae Ernest C. Twisselmann 1962-5-8 7148 Kern Indian Wells Canyon 1478 Comment
  CAS-BOT-BC472020  Allium lacunosum var. davisiae Ernest C. Twisselmann 1962-5-7 7038 Kern Kernville Road, 4.4 miles north of Weldon 914 Comment
  CAS-BOT-BC481924  Minuartia pusilla Ernest C. Twisselmann 1958-4-12 4259 B Kern Sierra Nevada, Greenhorn Range. Delano Rd, 5.2 mi W of Woody 457 Comment
  CAS-BOT-BC483394  Calochortus invenustus Ernest C. Twisselmann 1965-6-3 10950 Kern Hill east of Bodfish Gap, northwest end of Piute Mountain, Tehachapi-Kernville Region 1234 Comment
  CAS-BOT-BC487909  Calochortus kennedyi Ernest C. Twisselmann 1957-6-25 3785 Kern Mt. Pinos Highway, 1.5 mile east of McGill Public Camp 2057 Comment
  CAS-BOT-BC487910  Calochortus kennedyi Ernest C. Twisselmann 1958-5-6 4449 Kern Copper Mountain Road, 1.7 mile west of Gerbracht's Camp 1143 Comment
  CAS-BOT-BC492086  Brodiaea terrestris subsp. kernensis Ernest C. Twisselmann 1962-4-9 6884 Kern Kern River bluffs, just below the county dump (northeast of Bakersfield), Eastern San Joaquin Valley 281 Comment
  CAS-BOT-BC492097  Brodiaea terrestris subsp. kernensis Ernest C. Twisselmann 1969-4-19 15140 Kern Comanche Hills along Tejon Creek, 1 mile above its mouth, San Joaquin Valley 335 Comment
  CAS-BOT-BC492098  Brodiaea terrestris subsp. kernensis Ernest C. Twisselmann 1958-5-6 4396 Kern Keene Turnoff, Highway U.S. 466, Tehachapi-Kernville Region 829 Comment
  CAS-BOT-BC494063  Calochortus venustus Ernest C. Twisselmann 1957-6-21 3708 Kern The Greenhorn Range, Rattlesnake Grade, 0.2 miles northeast of Davis Guard Station, Shandon 1676 Comment
  CAS-BOT-BC496725  Calochortus venustus Ernest C. Twisselmann 1965-7-27 11259 Kern Squirrel Meadow, Breckenridge Mountain; Tehachapi Mountains 2072 Comment
  CAS-BOT-BC496736  Calochortus venustus Ernest C. Twisselmann 1959-6-18 5371 Kern Breckenridge Mountain: ridge above O'Brien Spring; Tehachapi-Kernville Region 1859 Comment
  CAS-BOT-BC497677  Chlorogalum pomeridianum Ernest C. Twisselmann 1963-6-27 8510 Kern Greenhorn Range: Cedar Creek, just below the mouth of Fulton Creek 990 Comment
  CAS-BOT-BC497679  Chlorogalum pomeridianum Ernest C. Twisselmann; Eben McMillan; Jack Zaninovich 1969-7-19 15747 Kern Sierra Nevada, Mineral King: 12 mi above Hammond 1219 Comment
  CAS-BOT-BC499668  Orobanche californica subsp. feudgei Ernest C. Twisselmann 1965-6-18 11036 Kern San Emigdio Range and the Mt. Pinos Region: Potrero in upper San Emigdio Canyon 762 Comment
  CAS-BOT-BC499703  Orobanche californica subsp. feudgei Ernest C. Twisselmann 1962-6-22 7358 Kern Tehachapi-Kernville Region: SE flank of Bald Eagle Peak, Piute Mountains 1920 Comment
  CAS-BOT-BC499705  Orobanche californica subsp. feudgei Ernest C. Twisselmann 1963-8-30 8907 Kern Tehachapi-Kernville Region: Piute Mountains, summit road 3.2 mi S of Saddle Springs 2377 Comment
  CAS-BOT-BC500265  Orobanche uniflora subsp. occidentalis Ernest C. Twisselmann 1963-5-17 8262 Kern Greenhorn Range: Poso Creen Canyon, 2.25 mi above Poso Mine 762 Comment
  CAS-BOT-BC508616  Muilla maritima Ernest C. Twisselmann 1954-4-6 1000 Kern Point of Rocks, 1 mile north, Eleanora Twisselmann property, Temblor Range and the Western San Joaquin Valley Comment
  CAS-BOT-BC514404  Eriastrum densifolium subsp. mohavense Ernest C. Twisselmann 1965-5-18 10863 Kern Mojave Desert: the Mojave-Randsburn Region. NE end of Buckhorn Lake, Edwards Air Force Base 731 Comment
  CAS-BOT-BC514406  Eriastrum densifolium subsp. mohavense Ernest C. Twisselmann 1967-6-28 13539 Kern Mojave Desert: the Mojave-Randsburn Region. Red Rock Canyon 762 Comment
  CAS-BOT-BC514623  Eriastrum pluriflorum subsp. pluriflorum Ernest C. Twisselmann 1962-6-22 7285 Kern San Joaquin Valley, east side of county: Sand Ridge (on old US Hwy 466 E of Edison) 259 Comment
  CAS-BOT-BC514932  Eriastrum sapphirinum subsp. brevibracteatum Ernest C. Twisselmann 1968-6-13 14328 Kern Tehachapi-Kernville Region: Cholla Canyon on the W slope of Scodie Mountain 1280 Comment
  CAS-BOT-BC523832  Gilia modocensis Ernest C. Twisselmann 1956-6-14 2940 Kern San Emigdio Range: NE slope of Mt. Pinos 2468 Comment
  CAS-BOT-BC523837  Gilia modocensis Ernest C. Twisselmann 1961-6-22 6301 Kern San Emigdio Range and the Mt. Pinos region: Cuddy Valley, 2.6 mi W of Cuddy Valley Store 1661 Comment
  CAS-BOT-BC523838  Gilia modocensis Ernest C. Twisselmann 1961-6-22 6301 Kern San Emigdio Range and the Mt. Pinos region: Cuddy Valley, 2.6 mi W of Cuddy Valley Store 1661 Comment
  CAS-BOT-BC523839  Gilia modocensis Ernest C. Twisselmann 1963-6-11 8415 Kern Tehachapi-Kernville Region: Erskine Canyon, Piute Mountains 1280 Comment
  CAS-BOT-BC523847  Gilia modocensis Ernest C. Twisselmann 1965-6-23 11057 Kern Tehachapi Mountains: high ridge E of Purdy Canyon, Tejon Ranch 1996 Comment
  CAS-BOT-BC526406  Triteleia laxa Ernest C. Twisselmann 1956-5-17 2833 Kern Tehachapi-Kernville Region: Caliente Canyon, 4.5 miles west of Twin Oakes, 716 Comment
  CAS-BOT-BC530287  Zigadenus brevibracteatus Ernest C. Twisselmann 1966-5-20 12292 Kern West slope of Kain Peak (mountains east of Keene); The Tehachapi-Kernville Region 1767 Comment
  CAS-BOT-BC530288  Zigadenus brevibracteatus Ernest C. Twisselmann 1957-6-5 3613 Kern Piute Mountains: West side of Bald Eagle Peak; the Tehachapi-Kernville Region 1958 Comment
  CAS-BOT-BC530289  Zigadenus brevibracteatus Ernest C. Twisselmann 1965-4-21 10592 Kern The Sheep Trail: ridge east of Horsethief Flat; the Tehachapi Mountains 975 Comment
  CAS-BOT-BC533090  Zigadenus venenosus var. venenosus Ernest C. Twisselmann 1964-6-21 9675 Kern Bear Valley; Tehachapi Mountains 1280 Comment
  CAS-BOT-BC536104  Drymocallis glandulosa var. reflexa Ernest C. Twisselmann 1955-6-23 2208 Kern San Emigdio Creek, 3.8 miles east of Apache Gap, San Emigdio Range 1615 Comment
  CAS-BOT-BC536477  Stachys rigida var. quercetorum Ernest C. Twisselmann 1959-8-7 4569 Kern Tehachapi-Kernville Region: Tejon Ranch. El Paso Creek 792 Comment
  CAS-BOT-BC536478  Stachys rigida var. quercetorum Ernest C. Twisselmann 1959-8-7 4569 Kern Tehachapi-Kernville Region: Tejon Ranch. El Paso Creek 792 Comment
  CAS-BOT-BC540526  Potentilla gracilis var. fastigiata Ernest C. Twisselmann 1961-6-22 6297 Kern Cuddy Valley, 2.6 miles west of Cuddy Valley Store, the San Emigdio Range and teh Mt. Pinos Region 1658 Comment
  CAS-BOT-BC540535  Potentilla gracilis var. fastigiata Ernest C. Twisselmann 1963-8-30 8930 Kern French Meadow, Piute Mountains, Tehachapi-Kernville Region 2072 Comment
  CAS-BOT-BC55339  Hirschfeldia incana Ernest C. Twisselmann 1961-10-31 6698 Kern Mojave-Randsburg Region. Highway 6, 4.2 miles south of Mojave. 739 Comment
  CAS-BOT-BC55340  Hirschfeldia incana Ernest C. Twisselmann 1961-10-31 6698 Kern Mojave-Randsburg Region. Highway 6, 4.2 miles south of Mojave. 739 Comment
  CAS-BOT-BC55346  Hirschfeldia incana Ernest C. Twisselmann 1964-5-6 9334 Kern Mojave Desert. Mojave-Randsburg Region. Head of Red Rock Canyon. 822 Comment
  CAS-BOT-BC57292  Equisetum laevigatum Ernest C. Twisselmann 1955-6-23 2226 Kern San Emigdio Creek, 3.8 miles east of Apache Gap 1615 Comment
  CAS-BOT-BC57925  Equisetum X ferrissii Ernest C. Twisselmann 1961-10-5 6626 Kern Kern River at Hart Memorial Park. 152 Comment
  CAS-BOT-BC60896  Stanleya pinnata Ernest C. Twisselmann 1957-5-22 3543 Kern Temblor Range and the Western San Joaquin Valley. Little Santa Maria Valley, 3 miles west of McKittrick. 541 Comment
  CAS-BOT-BC61057  Streptanthella longirostris Ernest C. Twisselmann 1962-4-10 6787 Kern Mojave Desert. Mojave-Randsburg Region. Ridgecrest Road, 6.8 miles north of Johannesburg. 822 Comment
  CAS-BOT-BC61059  Streptanthella longirostris Ernest C. Twisselmann 1962-4-10 6823 Kern Mojave Desert. Mojave-Randsburg Region. Highway U.S. 466 at the San Bernardino county line. 716 Comment
  CAS-BOT-BC64049  Anisocoma acaulis Ernest C. Twisselmann 1958-5-6 4417 Kern El Paso Mountains: Last Chance Canyon (white bluffs near the old sesomotite mine) 914 Comment
  CAS-BOT-BC67428  Tropidocarpum gracile Ernest C. Twisselmann 1962-4-11 6920 Kern Tehachapi-Kernville Region. Mesa west of Red Rock Canyon. 914 Comment
  CAS-BOT-BC67742  Pellaea andromedifolia Ernest C. Twisselmann 1954-3-26 925 Kern Temblor Range and the Western San Joaquin Valley - Antelope Valley, Annette Road: 1/4 mile west of U.S. 466 388 Comment
  CAS-BOT-BC67958  Cystopteris fragilis Ernest C. Twisselmann 1961-5-23 6166 Kern Tehachapi Mountains - Tejon Ranch - El Paso Canyon, about 0.5 mile below the Meadows Place. 1066 Comment
  CAS-BOT-BC70363  Cheilanthes viscida Ernest C. Twisselmann 1966-4-20 11985 Kern Mouth of Last Chance Canyon, El Paso Range 723 Comment
  CAS-BOT-BC70364  Cheilanthes viscida Ernest C. Twisselmann 1966-4-20 11985 Kern Mouth of Last Chance Canyon, El Paso Range 723 Comment
  CAS-BOT-BC70880  Dryopteris arguta Ernest C. Twisselmann 1961-5-4 6060 Kern Greenhorn Pass Road, 8.6 miles east of Glennville 1158 Comment
  CAS-BOT-BC70890  Dryopteris arguta Ernest C. Twisselmann 1961-5-23 6161 Kern Tejon Ranch: El Paso Canyon, about 0.5 mile below the Meadows Place 1066 Comment
  CAS-BOT-BC71315  Pellaea mucronata Ernest C. Twisselmann 1961-7-26 6363 Kern Bull Run Creek, about 1.5 miles west of Kern River 1127 Comment
  CAS-BOT-BC72031  Polypodium calirhiza Ernest C. Twisselmann 1961-5-23 6162 Kern Tejon Ranch: El Paso Canyon, about 0.5 mile below the Meadows Place 1066 Comment
  CAS-BOT-BC72569  Pteridium aquilinum Ernest C. Twisselmann 1957-9-19 4048 Kern Shirley Meadows 2103 Comment
  CAS-BOT-BC74271  Raphanus sativus Ernest C. Twisselmann 1957-3-27 3280 Kern Eastern San Joaquin Valley. Bear Mountain Boulevard, 5.3 miles east of Arvin. 190 Comment
  CAS-BOT-BC74273  Raphanus sativus Ernest C. Twisselmann 1958-2-23 4137 Kern Temblor Range and the Western San Joaquin Valley. Antelope Ranch grounds, western Kern county. 304 Comment
  CAS-BOT-BC74522  Rorippa curvisiliqua Ernest C. Twisselmann 1959-5-21 5214 Kern Sierra Nevada. Greenhorn Range. Lower Shirley Meadow. 2004 Comment
  CAS-BOT-BC74950  Sinapis arvensis Ernest C. Twisselmann 1965-3-22 10490 Kern Temblor Range and the Western San Joaquin Valley. Hills just southwest of Annette. 670 Comment
  CAS-BOT-BC75064  Sisymbrium altissimum Ernest C. Twisselmann 1963-4-12 8043 Kern San Joaquin Valley. Plain at the mouth of Tejon Canyon. 243 Comment
  CAS-BOT-BC75067  Sisymbrium altissimum Ernest C. Twisselmann; Eben McMillan 1968-8-11 14885 Kern Sierra Nevad. Greenhorn Range. Windy Gap. 2072 Comment
  CAS-BOT-BC75069  Sisymbrium altissimum Ernest C. Twisselmann 1969-5-21 15450 Kern Mojave Desert. Red Rock Canyon. Head of the canyon (junction of Abbott Road and the Freeway). 868 Comment
  CAS-BOT-BC75214  Sisymbrium irio Ernest C. Twisselmann 1968-10-10 15011 Kern Temblor Range and the Western San Joaquin Valley. Highway 46, 1.5 mile east of Blackwells Corner. 182 Comment
  CAS-BOT-BC75392  Sisymbrium orientale Ernest C. Twisselmann 1963-4-12 8050 Kern Tehachapi Mountains. Caliente Canyon. Across the creek from Caliente. 393 Comment
  CAS-BOT-BC75401  Sisymbrium orientale Ernest C. Twisselmann 1966-4-6 11825 Kern San Joaquin Valley. Granite Station Road, ca. 6 miles east of Famosa. 213 Comment
  CAS-BOT-BC76428  Eschscholzia lemmonii Ernest C. Twisselmann 1959-4-21 5077 Kern Temblor Range and the Western San Joaquin Valley. Annette Region. Hodges Canyon. 373 Comment
  CAS-BOT-BC76438  Eschscholzia lemmonii Ernest C. Twisselmann 1963-4-18 8060 Kern San Emigdio Range and the Mount Pinos Region. Pleito Hills. High ridge just east of San Emigdio Canyon. 541 Comment
  CAS-BOT-BC83052  Eschscholzia minutiflora Ernest C. Twisselmann 1962-4-10 6788 Kern Mojave Desert. Mojave-Randsburg Region. Ridgecrest Road, dry wash 6.8 miles north of Johannesburg. 822 Comment
  CAS-BOT-BC83072  Eschscholzia minutiflora Ernest C. Twisselmann 1966-4-26 12013 Kern Mojave Desert. Mojave-Randsburg Region. Northwest slope of Government Peak, Rand Mountains. 1325 Comment
  CAS-BOT-BC84654  Anthemis cotula Ernest C. Twisselmann 1962-7-18 7434 Kern Fulton Creek on the Greenhorn Road, just above the Fulton Ranger Station 1173 Comment
  CAS-BOT-BC84842  Artemisia douglasiana Ernest C. Twisselmann 1953-8-17 708 Kern Temblor Range and the Western San Joaquin Valley - Buena Vista Slogh: 6 miles southeast of Lost Hills Comment
  CAS-BOT-BC88373  Thysanocarpus curvipes Ernest C. Twisselmann 1965-4-14 10524 Kern Sierra Nevada. Rattlesnake Creek at Rattlesnake Grade. 739 Comment
  CAS-BOT-BC88374  Thysanocarpus curvipes Ernest C. Twisselmann 1965-4-14 10524 Kern Sierra Nevada. Rattlesnake Creek at Rattlesnake Grade. 739 Comment
  CAS-BOT-BC88750  Lepidium appelianum Ernest C. Twisselmann 1956-6-14 2957 Kern San Emigdio Range. Head of Cuddy Valley. 1859 Comment
  CAS-BOT-BC88818  Lepidium campestre Ernest C. Twisselmann 1964-6-21 9676 Kern Tehachapi Mountains. Bear Valley. 1280 Comment
  CAS-BOT-BC88971  Lepidium dictyotum Ernest C. Twisselmann 1954-3-3 854 Kern Temblor Range and the Western San Joaquin Valley. Six miles north of Lost Hills. 106 Comment
  CAS-BOT-BC88973  Lepidium dictyotum Ernest C. Twisselmann 1954-4-17 1087 Kern Temblor Range and the Western San Joaquin Valley. McKittrick Hills. 0.5 mile west of McKittrick. 304 Comment
  CAS-BOT-BC89398  Lepidium fremontii Ernest C. Twisselmann 1958-4-24 4349 Kern Mojave-Randsburg Region. Mojave Desert. Last Chance Canyon. Just above the old Cudahy Camp. 731 Comment
  CAS-BOT-BC89573  Lepidium lasiocarpum Ernest C. Twisselmann 1964-5-6 9339 Kern Mojave Desert. Mojave-Randsburg Region. North shore of Koehn Lake, 0.5 mile northeast of Saltdale. 548 Comment
  CAS-BOT-BC89918  Lepidium nitidum Ernest C. Twisselmann 1962-4-11 6937 Kern Mojave Desert. Mojave-Randsburg Region. Mouth of Red Rock Canyon. 609 Comment
  CAS-BOT-BC91687  Platystemon californicus Ernest C. Twisselmann 1956-5-17 2820 Kern Tehachapi-Kernville Region. Piute Mountains: Foot of Harris Grade. 1295 Comment
  CAS-BOT-BC91689  Platystemon californicus Ernest C. Twisselmann 1956-7-17 3069 Kern Tehachapi-Kernville Region. Piute Mountains: Geringer Grade. 1691 Comment
  CAS-BOT-BC91693  Platystemon californicus Ernest C. Twisselmann 1958-4-17 4317 Kern Mojave Desert. Mojave-Randsburg Region. Northeast slope of Soledad Mountain. 960 Comment
  CAS-BOT-BC91699  Platystemon californicus Ernest C. Twisselmann 1961-5-23 6141 Kern Tehachapi Mountains. Tejon Ranch. Rising Canyon. 1097 Comment
  CAS-BOT-BC91716  Platystemon californicus Ernest C. Twisselmann 1966-4-12 11880 Kern Mojave Desert. Mojave-Randsburg Region. Broad slope at the head of Last Chance Canyon (near Gerbracht Camp). 899 Comment
  CAS-BOT-BC9735  Mimulus barbatus Ernest C. Twisselmann 1965-7-28 11334 Kern Pine Flat, Kern Plateau 2225 Comment
  CAS-BOT-BC97518  Symphyotrichum ascendens Ernest C. Twisselmann 1964-9-16 10203 Kern Landers Meadow, Piute Mountains 1981 Comment
  CAS-BOT-BC9780  Mimulus discolor Ernest C. Twisselmann 1957-6-5 3644 Kern Piute Mountains, Claraville Road 0.9 miles southeast of Saddle Springs 2164 Comment
  CAS-BOT-BC97979  Symphyotrichum hesperium Ernest C. Twisselmann 1959-11-26 5909 Kern Ernest Still Ranch, near Annette 640 Comment
  CAS-BOT-BC99127  Symphyotrichum chilense Ernest C. Twisselmann 1956-9-14 3169 Kern San Emigdio Range - Castaic Valley, 0.5 mile west of Lebec on Highway U.S. 99 1066 Comment
  CAS-BOT-BC99996  Balsamorhiza deltoidea Ernest C. Twisselmann 1956-5-3 2746 Kern Mt. Abel Road near Vale Vista Public Camp 1524 Comment
  CDA3850  Sisymbrium orientale E. C. Twisselmann 1963-4-12 8058 Kern San Joaquin Valley; Highway U. S. 466, 3 miles east of Edison. Kern County East Side Comment
  CHSC117097  Phacelia purpusii Ernest C. Twisselmann 1964-7-23 9787 Kern Saddle between Cane Peak and Black Mountain. 1844 Comment
  JEPS27687  Euthamia occidentalis Ernest C. Twisselmann 1961-7-27 6413 Kern .5 mi N of Kernville Cemetary (Isabella Lake bed); Sierra Nevada, Isabella Lake 792 Comment
  JEPS27693  Lindernia dubia Ernest C. Twisselmann 1961-7-26 6370 Kern at site of old Kernville (Kern River); Sierra Nevada Comment
  JEPS28879  Mimulus montioides Ernest C. Twisselmann 1962-6-22 7297 Kern 3.2 mi w Bodfish road (Walker Basin road); Tehachapi-Kernville Region, Piute Mountain 2255 Comment
  JEPS29470  Castilleja applegatei subsp. martinii Ernest C. Twisselmann 1962-6-22 7335 Kern 0.6 mi n Bodfish-Walker Basin road junction (crest of Piute Mountain); Tehachapi-Kernville Region, Piute Mountain 2491 Comment
  JEPS31025  Lagophylla ramosissima Ernest C. Twisselmann 1960-9-7 6002 Kern 1 mi n of Choice Valley School; Choice Valley 601 Comment
  JEPS31274  Erigeron foliosus var. foliosus Ernest C. Twisselmann 1962-6-21 7403 Kern lower end Tunis Ridge (Tejon Ranch); Tehachapi Mountains, Tunis Ridge 762 Comment
  JEPS32585  Galium aparine Ernest C. Twisselmann 1963-6-11 8411 Kern mouth Cow Flat Creek; Tehachapi-Kernville region, Kern Canyon 518 Comment
  JEPS32645  Castilleja exserta subsp. exserta Ernest C. Twisselmann 1963-4-18 8085 Kern just e San Emigdio Canyon; San Emigdio Range, Mt. Pinos Region 662 Comment
  JEPS33475  Almutaster pauciflorus Ernest C. Twisselmann 1963-8-30 8892 Kern below Isabella; Tehachapi-Kernville Region, Scovern Hot Springs 762 Comment
  JEPS36074  Malacothrix clevelandii Ernest C. Twisselmann 1964-7-24 9872 Kern ridge se Pine Flat; Sierra Nevada, Kern Plateau 2209 Comment
  JEPS36107  Agoseris heterophylla var. heterophylla Ernest C. Twisselmann 1964-5-15 9470 Kern along, at northwest end of Lynns Valley Fugitt Road; The Greenhorn Range, Lynns Valley 1005 Comment
  JEPS36113  Rigiopappus leptocladus Ernest C. Twisselmann 1964-5-26 9500 Kern South Fork Upper Back Canyon Tehachapi-Kernville Region, s end Piute Mountains, South For 1158 Comment
  JEPS36194  Xanthium spinosum Ernest C. Twisselmann 1964-7-17 9754 Kern Bear Trap Road at Lake Road Gate (mouth of Bear Trap Canyon); Tehachapi Mountains, Tejon Ranch 1059 Comment
  JEPS52001  Senecio triangularis Ernest C. Twisselmann 1965-7-28 11365 Kern just above Big Meadow; Sierra Nevada, Salmon Creek 2362 Comment
  JEPS52095  Achyrachaena mollis Ernest C. Twisselmann 1965-4-14 52095 Kern near foot of Rattlesnake Grade; Sierra Nevada, Greenhorn Range 624 Comment
  JEPS52119  Layia platyglossa Ernest C. Twisselmann 1966-4-20 11977 Kern 3/8 mi w offlat nw of the head of Black Canyon 1089 Comment
  JEPS52151  Helianthus gracilentus Ernest C. Twisselmann 1966-7-5 12547 Kern Pescadero Point Tehachapi Mountains 1828 Comment
  JEPS54407  Veronica peregrina subsp. xalapensis Ernest C. Twisselmann 1967-6-2 797 Kern near the Lavers Place (in Lynns Valley); Greenhorn Range, Lynns Valley 975 Comment
  JEPS68287  Pseudognaphalium luteoalbum Ernest C. Twisselmann 1971-6-21 17780 Kern point between the South Fork and Kern Valley Arms of Lake Isabella; Sierra Nevada 777 Comment
  OBI9120  Solanum americanum Ernest C. Twisselmann 1954-7-20 1448 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Canal: 2.5 mi W of Buttonwillow 76 Comment
  RSA0016209  Gilia malior E. C. Twisselmann 1966-4-27 12037 Kern Plains between Desert & Castle buttes. 762 Comment
  RSA0033362  Delphinium gypsophilum E. C. Twisselmann 1965-4-26 10637 Kern Adobe Canyon.Mouth of Cottonwood Canyon, Avenal Ridge, Diablo Range 320 Comment
  RSA0034817  Salix bonplandiana Ernest C. Twisselmann 1963-7-11 8750 Kern Cannell Creek, 1.5 mile east of River Kern. 1036 Comment
  RSA0061038  Gilia ochroleuca subsp. ochroleuca E. C. Twisselmann 1966-5-10 12167 Kern Hills at the south end of Scodie Canyon (south of South Fork Valley). 1128 Comment
  RSA0063617  Aliciella lottiae E. C. Twisselmann 1962-5-8 7163 Kern Mouth of Short Canyon. 991 Comment
  RSA0070949  Phacelia divaricata var. congdonii E. C. Twisselmann 1965-4-21 10578 Kern Tejon Canyon. 1029 Comment
  RSA0081648  Layia glandulosa Ernest C. Twisselmann 1961-5-23 6143 Kern Rising Canyon. 1097 Comment
  RSA0082503  Bromus diandrus Ernest C. Twisselmann 1961-5-23 6202 Kern Camel Spring, Rising Canyon. 1188 Comment
  RSA0082507  Caulanthus coulteri Ernest C. Twisselmann 1961-5-24 6228 Kern Tejon Ranch: Purdy Ridge. 1584 Comment
  RSA0082529  Cercocarpus betuloides var. betuloides Ernest C. Twisselmann 1965-6-23 11051 Kern Foot of Purdy Ridge south of Purdy Canyon, Tejon Ranch. 1645 Comment
  RSA0082537  Lamarckia aurea Ernest C. Twisselmann 1965-4-21 10564 Kern Mouth of El Paso Canyon. 541 Comment
  RSA0082548  Deinandra pallida Ernest C. Twisselmann 1963-4-12 8030 Kern Mesa on the south side of the mouth of Tejon Creek. 220 Comment
  RSA0082609  Ranunculus californicus Ernest C. Twisselmann 1962-4-18 6948 Kern Tejon Ranch: spring on the mesa about 2 miles north of Alamo Camp. 1036 Comment
  RSA0082614  Datisca glomerata Ernest C. Twisselmann 1961-5-23 6136 Kern El Paso creek. 777 Comment
  RSA0082642  Cryptantha simulans Ernest C. Twisselmann 1961-5-23 6155 Kern El Paso Canyon, 1.5 mile above meadows place. 1097 Comment
  RSA0082645  Acmispon nevadensis var. nevadensis Ernest C. Twisselmann 1962-6-21 7398 Kern Tejon Ranch: summit of the high ridge south of Purdy Canyon. 1950 Comment
  RSA0082656  Ehrendorferia chrysantha Ernest C. Twisselmann 1963-8-8 8865 Kern East side of Cottonwood Canyon, Mojave Drainage. 1493 Comment
  RSA0082670  Schismus arabicus Ernest C. Twisselmann 1963-4-12 8034 Kern Tejon Creek near the mouth of Tejon Canyon. 220 Comment
  RSA0082674  Trifolium wormskioldii Ernest C. Twisselmann 1964-7-17 9731 Kern South side of Castaic Lake. 1051 Comment
  RSA0082679  Layia glandulosa Ernest C. Twisselmann 1961-5-24 6230 Kern Tejon Ranch: Monroe Spring, Bear Trap Canyon. 1645 Comment
  RSA0082682  Ceanothus vestitus Ernest C. Twisselmann 1961-5-24 6217 Kern Secretario Canyon (Mojave drainage). 1188 Comment
  RSA0082685  Salvia columbariae Ernest C. Twisselmann 1961-5-24 6235 Kern Bear Trap Canyon. 1371 Comment
  RSA0082699  Baccharis salicifolia subsp. salicifolia Ernest C. Twisselmann 1964-7-17 9742 Kern Southeast end of Castaic Lake. 1059 Comment
  RSA0082701  Clarkia speciosa subsp. polyantha Ernest C. Twisselmann 1962-6-21 7379 Kern Tejon Ranch: Winter's Ridge. 1219 Comment
  RSA0082718  Phalaris canariensis Ernest C. Twisselmann 1964-7-17 9757 Kern Bear Trap Road, .5 miles east of Lebec. 1066 Comment
  RSA0082722  Dudleya lanceolata Ernest C. Twisselmann 1961-5-23 6265 Kern Telephone Road on the ridge east of Grasshopper Flat. 914 Comment
  RSA0082725  Silene laciniata subsp. californica Ernest C. Twisselmann 1961-5-23 6128 Kern Telephone road at the head of Monroe Canyon. 1341 Comment
  RSA0082738  Osmorhiza brachypoda Ernest C. Twisselmann 1961-5-23 6147 Kern Tejon Ranch: El Paso Canyon, about 1.5 miles above the Meadows Place. 1097 Comment
  RSA0082743  Vicia americana subsp. americana Ernest C. Twisselmann 1961-5-24 6253 Kern Tejon Ranch: Giegis Ridge. 1463 Comment
  RSA0082753  Artemisia douglasiana Ernest C. Twisselmann 1964-7-17 9765 Kern Flat just below Fort Tejon. 944 Comment
  RSA0082757  Salix laevigata Ernest C. Twisselmann 1964-7-17 9761 Kern Cienega below fort Tejon. 944 Comment
  RSA0082765  Phacelia ramosissima Ernest C. Twisselmann 1963-8-8 8863 Kern East side of Cottonwood Canyon, Mojave Drainage. 1493 Comment
  RSA0082766  Zannichellia palustris Ernest C. Twisselmann 1963-8-8 8859 Kern Tejon Pass: 0.5 mile west of White Oak Lodge. 1524 Comment
  RSA0082771  Marah horrida Ernest C. Twisselmann 1961-5-24 6209 Kern Tejon Ranch: ridge southwest of Catskin Creek. 1859 Comment
  RSA0083008  Mentzelia veatchiana Ernest C. Twisselmann 1961-5-24 6226 Kern Purdy Ridge. 1554 Comment
  RSA0083011  Asclepias fascicularis Ernest C. Twisselmann 1964-7-17 9751 Kern Mouth of Bear Trap Canyon. 1059 Comment
  RSA0086422  Cornus sericea subsp. occidentalis E. C. Twisselmann 1963-8-8 8834 Kern Tehachapi Mountains. Cienegas near the head of Tejon Creek. 1616 Comment
  RSA0089983  Amsinckia helleri E. C. Twisselmann 1954-4-17 1088 Kern Temblor Grade, 6 mi. w. of Mc Kittsick. 762 Comment
  RSA0090929  Amsinckia intermedia var. eastwoodiae E. C. Twisselmann 1965-6-4 11002 Kern Cedar Creek at the Stone Corral 854 Comment
  RSA0090933  Amsinckia intermedia var. eastwoodiae E. C. Twisselmann 1964-5-15 9418 Kern North flank of Blue Mountain. 1159 Comment
  RSA0093992  Microsteris gracilis E. C. Twisselmann 1961-5-23 6148 Kern Tejon Ranch: El Paso Canyon, about 1.5 mile above the Meadows Place. 1098 Comment
  RSA0120824  Eriastrum pluriflorum subsp. pluriflorum E. C. Twisselmann 1963-6-4 8372 Kern Ross Ridge. 762 Comment
  RSA0126365  Arabis glabra E. C. Twisselmann 1965-7-27 11261 Kern Squirrel Meadow, Brekenridge Mountain. 2073 Comment
  RSA115508  Schoenoplectus glaucus Ernest C. Twisselmann 1955-7-13 2263 Kern Duck Club Road, 8.9 miles north of Semitropic School. 64 Comment
  RSA115618  Solanum umbelliferum E. C. Twisselmann 1955-6-7 2100 Kern Upper Quatal Canyon. 1643 Comment
  RSA115643  Stellaria nitens E. C. Twisselmann 1955-3-20 1735 Kern Packwood Canyon, 8 1/2 miles west of Blackwell s Corner 335 Comment
  RSA116507  Lythrum californicum E. C. Twisselmann 1953-8-17 712 Kern Bueno Vista Slough, 5 miles SE of Los hills 76 Comment
  RSA116513  Cryptantha oxygona E. C. Twisselmann 1954-4-15 1074 Kern Ross Ridge, near the summit, alt 2900ft, 11 miles SW of Blackwells corner. 884 Comment
  RSA116519  Ammannia coccinea E. C. Twisselmann 1954-9-26 1588 Kern Tupman Highway, 2 miles south of Buttonwillow. 91 Comment
  RSA116536  Eriogonum baileyi var. baileyi E. C. Twisselmann 1955-10-21 2486 Kern Kelso Valley. 1220 Comment
  RSA116551  Parkinsonia aculeata E. C. Twisselmann 1954-6-12 1349 Kern Midway Oil Field, 1 mile north of Maricopa 335 Comment
  RSA162516  Aster eatonii E. C. Twisselmann 1963-8-30 8931 Kern French Meadow, Piute Mountains 2073 Comment
  RSA162533  Cryptantha nevadensis var. rigida E. C. Twisselmann 1963-6-11 8439 Kern Erskine Canyon, Piute Mtns 968 Comment
  RSA164022  Cordylanthus nevinii E. C. Twisselmann 1963-8-30 8934 Kern French Meadow Road, 1.1 mile west of Piute Summit Road. 2317 Comment
  RSA164087  Eclipta prostrata E. C. Twisselmann 1963-9-6 8969 Kern Poso Creek, 6.5 miles northwest of Famosa. 91 Comment
  RSA164099  Echinochloa colona E. C. Twisselmann 1963-9-6 8952 Kern Garces Road just west of Jasmin. 114 Comment
  RSA164115  Melilotus albus E. C. Twisselmann 1963-9-18 9024 Kern Onyx Ranches Line Camp, Freeman Canyon 1098 Comment
  RSA169167  Medicago lupulina E. C. Twisselmann 1964-5-26 9520 Kern East end of Walker Basin. 1189 Comment
  RSA169213  Lathyrus vestitus subsp. laevicarpus E. C. Twisselmann 1964-5-26 9528 Kern Studhorse Canyon (a fork of Upper Caliente Canyon) 808 Comment
  RSA169217  Lotus corniculatus E. C. Twisselmann 1964-5-26 9544 Kern Enos Road, 1.5 miles south of Rio Bravo School. 91 Comment
  RSA172669  Potentilla glandulosa var. nevadensis E. C. Twisselmann 1964-7-23 9826 Kern Below Mountain Meadow, E slope of Sunday Peak. 2088 Comment
  RSA172701  Gnaphalium beneolens E. C. Twisselmann 1964-9-16 10173 Kern North end of Piute Mountain, 4.8 miles above Bodfish Gap 1768 Comment
  RSA172816  Aster frondosus E. C. Twisselmann 1964-8-22 10162 Kern Monolith 1201 Comment
  RSA172824  Potamogeton crispus Ernest C. Twisselmann 1964-7-25 9968 Kern Poso Creek at the Henry Bowen Ranch. 976 Comment
  RSA179936  Amsinckia tessellata E. C. Twisselmann 1965-6-18 11027 Kern Ridges between San Emigdio Canyon & Pleito Canyon, San Emigdio Range. 808 Comment
  RSA179962  Alchemilla occidentalis E. C. Twisselmann 1965-4-21 10579 Kern Tejon Canyon. 1014