Search Results — 2000 specimen records retrieved (1491 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/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC100000  Balsamorhiza deltoidea Ernest C. Twisselmann 1964-6-10 9570 Kern Tecuya Ridge 2026 Comment
  CAS-BOT-BC100914  Cirsium crassicaule E. C. Twisselmann 1954-5-20 1278 Kern Buena Vista Slough: 7 miles southeast of Lost Hills 74 Comment
  CAS-BOT-BC100915  Cirsium crassicaule E. C. Twisselmann 1964-9-29 10233 Kern Kern National Wildlife Refuge, plains on the west side of the Refuge 76 Comment
  CAS-BOT-BC102129  Arida carnosa Ernest C. Twisselmann 1956-8-10 3113 Kern Goose Lake Alkali Sink 82 Comment
  CAS-BOT-BC102136  Arida carnosa Ernest C. Twisselmann 1959-7-4 5444 Kern Weedpatch District: Adobe Road 1.2 mile north of Bear Mountain Boulevard 121 Comment
  CAS-BOT-BC102137  Arida carnosa Ernest C. Twisselmann 1959-7-4 5444 Kern Weedpatch District: Adobe Road 1.2 mile north of Bear Mountain Boulevard 121 Comment
  CAS-BOT-BC102532  Populus fremontii Ernest C. Twisselmann 1952-6-1 123 Kern Temblor Ranch grounds, western Kern County Comment
  CAS-BOT-BC104122  Salix hindsiana Ernest C. Twisselmann 1954-7-20 1452 Kern Buena Vista Canal: 2 1/2 miles west of Buttonwillow 76 Comment
  CAS-BOT-BC104456  Quercus douglasii Ernest C. Twisselmann 1964-9-16 10172 Kern Tehachapi-Kernville Region. N end of Piute Mountain: Saddle Springs Road, ca. 3 miles above Bodfish Gap 1584 Comment
  CAS-BOT-BC104822  Quercus wislizeni Ernest C. Twisselmann 1958-11-1 4911 Kern Tehachapi-Kernville Region, Old Tehachapi Road, 5.7 miles E of Keene 1097 Comment
  CAS-BOT-BC105191  Quercus kelloggii Ernest C. Twisselmann 1956-7-17 3053 Kern Piute Mountains: Mace Meadow 2072 Comment
  CAS-BOT-BC105211  Quercus kelloggii Ernest C. Twisselmann 1964-6-21 9635 Kern Tehachapi Mountains. Summit of the E flank of Bear Mountain 1981 Comment
  CAS-BOT-BC105218  Quercus kelloggii Ernest C. Twisselmann 1965-7-27 11177 Kern Tehachapi-Kernville region. Breckenridge Mountain Road, 2.1 miles W of Munzer Meadow 1889 Comment
  CAS-BOT-BC105221  Quercus kelloggii Ernest C. Twisselmann 1965-7-29 11383 Kern Greenhorn Range. Alder Creek just above Alder Creek Public Camp 1188 Comment
  CAS-BOT-BC105609  Populus trichocarpa Ernest C. Twisselmann 1965-4-21 10580 Kern Tehachapi Mountains - Tejon Canyon 1013 Comment
  CAS-BOT-BC105762  Corethrogyne filaginifolia Ernest C. Twisselmann 1954-7-31 1483 Kern Summit of Ross Ridge, 12 miles south of Blackwell's Corner - Temblor Range and the Western San Joaquin Valley 853 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-BC105940  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest C. Twisselmann 1964-9-16 10180 Kern Crest of Piute Mountain - Tehachapi-Kernville Region 2446 Comment
  CAS-BOT-BC106174  Brickellia nevinii Ernest C. Twisselmann 1966-9-8 12758 Kern Mt. Abel Road, 2.1 miles northwest of Valle Vista Public Camp - San Emigdio Range and the Mt. Pinos Region 1508 Comment
  CAS-BOT-BC106175  Brickellia nevinii Ernest C. Twisselmann 1966-9-8 12758 Kern Mt. Abel Road, 2.1 miles northwest of Valle Vista Public Camp - San Emigdio Range and the Mt. Pinos Region 1508 Comment
  CAS-BOT-BC106221  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-BC106660  Baccharis salicina Ernest C. Twisselmann 1966-9-30 12806 Kern San Joaquin Valley - Sand Canyon, about 1 mile above Poso Creek 365 Comment
  CAS-BOT-BC107468  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-BC107503  Salix lasiolepis var. lasiolepis Ernest C. Twisselmann 1966-6-9 12351 Kern Champagne Spring on the northwest flank of Cache Peak 1737 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-BC108333  Salix gooddingii Ernest C. Twisselmann 1955-4-19 1886 Kern Buena Vista Sough, 2.4 miles east of Lost Hills - Temblor Range and the Western San Joaquin Valley 91 Comment
  CAS-BOT-BC108334  Salix gooddingii Ernest C. Twisselmann 1955-4-19 1886 Kern Buena Vista Sough, 2.4 miles east of Lost Hills - Temblor Range and the Western San Joaquin Valley 91 Comment
  CAS-BOT-BC108335  Salix gooddingii Ernest C. Twisselmann 1954-5-6 1178 Kern Buena Vista Sough, 2 miles east of Lost Hills - Temblor Range and the Western San Joaquin Valley 74 Comment
  CAS-BOT-BC108343  Salix gooddingii Ernest C. Twisselmann 1964-7-17 9721 Kern Old Highway U.S. 99, 10.3 miles north of Mettlers Station (kern Island region). - San Joaquin Valley 121 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-BC108375  Salix gooddingii Ernest C. Twisselmann 1964-7-17 9722 Kern Old Highway U.W. 99, 10.3 miles north of Mettlers Station (Kern Island region). - San Joaquin Valley 121 Comment
  CAS-BOT-BC110268  Grayia spinosa Ernest C. Twisselmann 1958-4-17 4323 Kern Mojave Desert. Mojave-Randsburg Region. Plain at the north end of Soledad Mountain. 853 Comment
  CAS-BOT-BC111339  Schoenoplectus acutus var. occidentalis Ernest C. Twisselmann 1954-7-20 1447 Kern Buena Vista Canal: 2 1/2 miles west of Buttonwillow. 76 Comment
  CAS-BOT-BC111340  Schoenoplectus acutus var. occidentalis Ernest C. Twisselmann 1964-7-17 9729 Kern South side of Castaic Lake 1051 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-BC111690  Schoenoplectus pungens var. longispicatus Ernest C. Twisselmann 1963-9-18 9026 Kern Onyx Ranches line camp, Freeman Canyon 1097 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-BC111851  Schoenoplectus saximontanus Ernest C. Twisselmann 1964-9-29 10245 Kern The Kern National Wildlife Refuge, San Joaquin Valley 76 Comment
  CAS-BOT-BC112249  Eleocharis rostellata Ernest C. Twisselmann 1959-6-2 5304 Kern Mill Potrero 1493 Comment
  CAS-BOT-BC112251  Eleocharis rostellata Ernest C. Twisselmann 1965-6-18 11042 Kern Potrero in upper San Emigdio Canyon. 762 Comment
  CAS-BOT-BC113268  Eleocharis parishii Ernest C. Twisselmann 1965-10-1 11643 Kern Lumreau Creek, just above Cedar Creek. 807 Comment
  CAS-BOT-BC113341  Eleocharis montevidensis Ernest C. Twisselmann 1964-5-26 9525 Kern East end of Walker Basin. 1188 Comment
  CAS-BOT-BC114398  Cyperus erythrorhizos Ernest C. Twisselmann 1954-10-24 1644 Kern Buena Vista Slough: 3.6 mi NW of Tupman. 91 Comment
  CAS-BOT-BC114631  Cyperus eragrostis Ernest C. Twisselmann 1963-9-6 8954 Kern Lake Woolloomes, near Delano. 114 Comment
  CAS-BOT-BC114744  Cyperus difformis Ernest C. Twisselmann 1963-9-6 8957 Kern Lake Woolloomes near Delano. 114 Comment
  CAS-BOT-BC116645  Carex subfusca Ernest C. Twisselmann 1963-7-10 8692 Kern Fork of Cannell Creek on Pine Flat. 2164 Comment
  CAS-BOT-BC116662  Carex subfusca Ernest C. Twisselmann 1959-6-18 5386 Kern Breckenridge Mountain: Squirrel Meadow. 2072 Comment
  CAS-BOT-BC118383  Carex praegracilis Ernest C. Twisselmann 1966-5-12 12203 Kern Kern Hot Springs. 807 Comment
  CAS-BOT-BC118385  Carex praegracilis Ernest C. Twisselmann 1962-7-19 7488 Kern French Meadow, Piute Mts. 2072 Comment
  CAS-BOT-BC121568  Delphinium patens subsp. montanum Ernest C. Twisselmann 1957-6-25 3779 Kern Mt. Pinos: 1.8 mile east of the summit 2499 Comment
  CAS-BOT-BC121570  Delphinium patens subsp. montanum Ernest C. Twisselmann 1961-6-22 6310 Kern Northwest flank of Mt. Pinos 2590 Comment
  CAS-BOT-BC127260  Agrostis exarata Ernest C. Twisselmann 1956-9-20 3199 Kern Tehachapi-Kernville Region. Piute Mountains. Brown Meadow. 2301 Comment
  CAS-BOT-BC128168  Salix lasiandra var. lasiandra Ernest C. Twisselmann 1965-6-3 10900 Kern First fork of Spanish Needle Creek - Sierra Nevada 1249 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-BC129802  Salix bonplandiana Ernest C. Twisselmann 1966-7-5 12555 Kern Basque Encina - Tehachapi Mountains 1386 Comment
  CAS-BOT-BC129819  Salix bonplandiana Ernest C. Twisselmann 1963-7-11 8750 Kern Cannell Creek, 1.5 mile east of River Kern 1036 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-BC129843  Salix bonplandiana Ernest C. Twisselmann 1972-3-22 18588 Kern Salmon Falls Trail at Kern River, Kern River Canyon 975 Comment
  CAS-BOT-BC129844  Salix bonplandiana Ernest C. Twisselmann 1972-3-21 18590 Kern South Fork flood plain at Onyx 762 Comment
  CAS-BOT-BC130891  Deinandra arida Ernest C. Twisselmann 1964-10-21 10400 Kern Red Rock Canyon 701 Comment
  CAS-BOT-BC130901  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-BC131128  Encelia actoni Ernest C. Twisselmann 1970-5-6 16488 Kern Dove Spring Creek at the borders of the canyon 807 Comment
  CAS-BOT-BC131811  Hesperoyucca whipplei Ernest C. Twisselmann 1959-4-25 5129 Kern Kern River Canyon 728 Comment
  CAS-BOT-BC132087  Allium peninsulare var. peninsulare Ernest C. Twisselmann 1963-6-3 8354 Kern Black Bob Canyon, San Emigdio Range 1036 Comment
  CAS-BOT-BC132093  Allium peninsulare var. peninsulare Ernest C. Twisselmann 1963-6-3 8354 Kern Black Bob Canyon, San Emigdio Range 1036 Comment
  CAS-BOT-BC132388  Calochortus clavatus var. pallidus Ernest C. Twisselmann 1954-5-7 1186 Kern Cedar Canyon: Alec Cook side-canyon 640 Comment
  CAS-BOT-BC133162  Adenostoma fasciculatum Ernest C. Twisselmann 1966-7-5 12539 Kern Slope east of the mouth of Canyon de la Lecheria 1341 Comment
  CAS-BOT-BC13376  Agoseris retrorsa Ernest C. Twisselmann 1962-6-22 7302 Kern Piute Mountains: Woolstaff Meadow 2270 Comment
  CAS-BOT-BC13398  Agoseris retrorsa Ernest C. Twisselmann 1964-6-10 9550 Kern Tecuya Ridge 1950 Comment
  CAS-BOT-BC134077  Brickellia microphylla var. microphylla Ernest C. Twisselmann 1963-6-11 8444 Kern Erskine Creek, Piute Mountains 883 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-BC13553  Ambrosia acanthicarpa Ernest C. Twisselmann 1969-5-21 15404 Kern Red Rock Canyon, east fork of the canyon. 777 Comment
  CAS-BOT-BC13554  Ambrosia acanthicarpa Ernest C. Twisselmann 1969-10-16 16309 Kern Red Rock Canyon, main fork of west canyon (below Ricardo) 792 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-BC135951  Ericameria cooperi var. cooperi Ernest C. Twisselmann 1964-5-6 9323 Kern Slope above Alphie Spring (a fork of Jawbone Canyon) - Tehachapi-Kernville Region 1158 Comment
  CAS-BOT-BC136000  Ericameria cooperi var. cooperi Ernest C. Twisselmann 1964-5-6 9323 Kern Slope above Alphie Spring (a fork of Jawbone Canyon) - Tehachapi-Kernville Region 1158 Comment
  CAS-BOT-BC136022  Ericameria cooperi var. cooperi Ernest C. Twisselmann 1966-4-26 11996 Kern South side of Galileo Hill (south of the west end of the Rand Mountains) - Mojave-Randsburg Region, Mojave Desert 1005 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-BC137335  Horkeliella purpurascens Ernest C. Twisselmann 1956-7-17 3080 Kern Piute Mountains: Grouse Meadow 2225 Comment
  CAS-BOT-BC137336  Horkeliella purpurascens Ernest C. Twisselmann 1958-8-19 4717 Kern Breckenridge Mountain: Barrel Spring 1981 Comment
  CAS-BOT-BC137345  Horkeliella purpurascens Ernest C. Twisselmann 1956-7-17 3080 Kern Piute Mountains: Grouse Meadow 2225 Comment
  CAS-BOT-BC137346  Horkeliella purpurascens Ernest C. Twisselmann 1962-7-19 7481 Kern French Meadow, Piute Mountains 2072 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-BC138078  Alopecurus aequalis var. aequalis Ernest C. Twisselmann 1963-7-10 8704 Kern Sierra Nevada. Kern Plateau. Fork of Cannell Creek on Pine Flat. 2164 Comment
  CAS-BOT-BC138737  Agrostis scabra Ernest C. Twisselmann 1963-7-10 8697 Kern Sierra Nevada. Kern Plateau. Fork of Cannell Creek on Pine Flat. 2164 Comment
  CAS-BOT-BC140790  Chamaebatia foliolosa Ernest C. Twisselmann 1963-7-9 8570 Kern Black Mountain Saddle 1950 Comment
  CAS-BOT-BC141129  Phoradendron serotinum subsp. macrophyllum Ernest C. Twisselmann 1959-4-1 5008 Kern Kern River, 2.2 miles W of Stockdale Country Club 114 Comment
  CAS-BOT-BC141289  Phoradendron serotinum subsp. tomentosum Ernest C. Twisselmann 1954-5-7 1182 Kern Messa Ridge: 2 miles W of Carneros Rocks. Temblor Range and Western San Joaquin Valley. Sierra Nevada 670 Comment
  CAS-BOT-BC141631  Potentilla gracilis var. elmeri Ernest C. Twisselmann 1961-6-22 6297 Kern Cuddy Valley, 2.6 miles west of Cuddy Valley Store - San Emigdio Range and the Mt. Pinos Region 1645 Comment
  CAS-BOT-BC142422  Ivesia santolinoides Ernest C. Twisselmann 1969-8-29 15961 Kern Pine Flat - Kern Plateau, Sierra Nevada 2164 Comment
  CAS-BOT-BC142573  Amelanchier utahensis Ernest C. Twisselmann 1962-6-1 7245 Kern Water Canyon at the Ryan Ranch - Tehachapi Mountains 1676 Comment
  CAS-BOT-BC142574  Amelanchier utahensis Ernest C. Twisselmann 1958-8-7 4564 Kern Tejon Ranch, west fork of the head of Cottonwood Creek in Catskin basin (Mojave drainage) - Tehachapi-Kernville Region 1706 Comment
  CAS-BOT-BC142707  Phacelia exilis Ernest C. Twisselmann 1962-7-19 7500 Kern Grouse Meadow, Piute Mountains 2186 Comment
  CAS-BOT-BC14292  Boechera platysperma Ernest C. Twisselmann 1957-7-23 3862 Kern SIerra Nevada. Greenhorn Range. Trail to Sunday Peak. 2301 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-BC144278  Bromus arizonicus Ernest C. Twisselmann 1956-3-21 2571 Kern Tehachapi-Kernville Region. Bena Siding, Tehachapi Canyon flood plain. 267 Comment
  CAS-BOT-BC144283  Bromus arizonicus Ernest C. Twisselmann 1956-3-26 2598 Kern San Emigdio Range. San Emigdio Plain, 8.9 miles east of Maricopa on Highway 33. 198 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-BC144286  Bromus arizonicus Ernest C. Twisselmann 1956-3-26 2598 Kern San Emigidio Range. San Emigdio Plain, 8.9 miles east of Maricopa on Highway 33. 198 Comment
  CAS-BOT-BC145051  Phacelia mohavensis 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-BC145058  Phacelia mohavensis Ernest C. Twisselmann 1971-7-15 17871 Kern North fork of the head of Bartolas Creek. The Kern Plateau 2011 Comment
  CAS-BOT-BC145061  Phacelia mohavensis Ernest C. Twisselmann 1971-7-15 17857 Kern South Fork of the head of Bartolas Creek. The Kern Plateau 1981 Comment
  CAS-BOT-BC14569  Boechera pulchra Ernest C. Twisselmann 1962-5-8 7155 Kern Sierra Nevada. Northeast flank of Morris Peak at the head of Indian Wells Canyon. 1584 Comment
  CAS-BOT-BC145765  Avena sativa Ernest C. Twisselmann 1965-3-17 10444 Kern San Joaquin Valley. Kern National Wildlife Refuge. 68 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-BC145767  Avena sativa Ernest C. Twisselmann 1964-7-17 9758 Kern Tehachapi Mountains. Bear Trap Road, 0.5 mile east of Lebec. 1066 Comment
  CAS-BOT-BC145772  Avena sativa Ernest C. Twisselmann 1965-3-17 10444 Kern San Joaquin Valley. Kern National Wildlife Refuge. 68 Comment
  CAS-BOT-BC145912  Avena fatua Ernest C. Twisselmann 1969-5-21 15418 Kern Mojave Desert. Red Rock Canyon. Mouth of Red Rock Canyon. 731 Comment
  CAS-BOT-BC146304  Aristida ternipes var. gentilis Ernest C. Twisselmann 1961-7-27 6403 Kern Sierra Nevada. Greenhorn Range. Glennville Road, 1.9 mile east of Woody. 670 Comment
  CAS-BOT-BC147422  Rosa californica Ernest C. Twisselmann 1963-6-3 8294 Kern Neasons Flat, San Emigdio Range 975 Comment
  CAS-BOT-BC147679  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-BC147811  Purshia tridentata var. tridentata Ernest C. Twisselmann 1966-5-11 12175 Kern Bartolas Country: rim of the Kern Plateau west of South Fork Canyon 2194 Comment
  CAS-BOT-BC148497  Cercocarpus ledifolius var. ledifolius Ernest C. Twisselmann 1957-6-25 3780 Kern East fork of upper San Emigdio Canyon - San Emigdio Range 1554 Comment
  CAS-BOT-BC148880  Bromus carinatus var. marginatus Ernest C. Twisselmann 1959-5-2 5158 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road, 4 miles west of Munzer Meadow. 1645 Comment
  CAS-BOT-BC148899  Bromus carinatus var. marginatus Ernest C. Twisselmann 1965-7-27 11262 Kern Tehachapi-Kernville Region. Squirrel Meadow Breckenridge Mountain. 2072 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-BC149378  Bromus berteroanus Ernest C. Twisselmann 1959-4-16 5064 Kern Mohave-Randsburg Region. El Paso Mountains. Near the summit of Last Chance Canyon. 1188 Comment
  CAS-BOT-BC150604  Diplacus calycinus Ernest C. Twisselmann 1963-5-17 8243 Kern Above Poso Creek Narrows 929 Comment
  CAS-BOT-BC151098  Diplacus whitneyi Ernest C. Twisselmann 1971-7-15 17868 Kern North fork of the head of Bartolas Creek, Kern Plateau - Sierra Nevada 2011 Comment
  CAS-BOT-BC151148  Prunus subcordata Ernest C. Twisselmann 1965-10-1 11671 Kern Slope above Cedar Creek about 0.5 mile below Lumreau Creek - Greenhorn Range, Sierra Nevada 822 Comment
  CAS-BOT-BC151722  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-BC152072  Diplacus calycinus Ernest C. Twisselmann 1963-6-11 8466 Kern Greenhorn Pass Road 2.9 miles west of Wofford - Greenhorn Range, Sierra Nevada 1089 Comment
  CAS-BOT-BC152879  Phacelia nashiana Ernest C. Twisselmann 1958-4-24 4352 Kern Plants of the Mojave-Randsburg Region (Mojave Desert). El Paso Mountains: Last Chance Canyon. 655 Comment
  CAS-BOT-BC152988  Diplacus constrictus Ernest C. Twisselmann 1961-5-24 6212 Kern Tejon Ranch: ridge southwest of Catskin Creek 1859 Comment
  CAS-BOT-BC153028  Diplacus constrictus Ernest C. Twisselmann 1965-6-4 10978 Kern Wagy Flat Road, 2.3 miles west of Wagy Flat 1638 Comment
  CAS-BOT-BC153327  Diplacus layneae Ernest C. Twisselmann 1965-4-26 10593 Kern Edna Williams place on Nightingale Creek (South of Woody) 762 Comment
  CAS-BOT-BC154753  Prunus virginiana var. demissa Ernest C. Twisselmann 1964-6-21 9663 Kern Water Creek on the south slope of Bear Mountain 1569 Comment
  CAS-BOT-BC154754  Prunus virginiana var. demissa Ernest C. Twisselmann 1962-6-1 7250 Kern Water Canyon 1584 Comment
  CAS-BOT-BC154922  Prunus ilicifolia Ernest C. Twisselmann 1954-5-13 1226 Kern Temblor Canyon: Cherry Spring 609 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-BC155420  Bromus hordeaceus Ernest C. Twisselmann 1957-4-7 3332 Kern Temblor Range and the Western San Joaquin Valley. Carneros Rocks. 518 Comment
  CAS-BOT-BC155531  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-BC156080  Bromus diandrus Ernest C. Twisselmann 1969-5-21 15352 Kern Mojave Desert. Red Rock Canyon. North end of Freeway Bridge. 762 Comment
  CAS-BOT-BC156090  Bromus diandrus Ernest C. Twisselmann 1955-5-17 1986 Kern Temblor Range and the Western San Joquin Valley. Devil's Water Canyon, Temblor Mountains. 518 Comment
  CAS-BOT-BC156125  Bromus diandrus Ernest C. Twisselmann 1959-4-21 5080 Kern Temblor Range and the Western San Joaquin Valley. Annette Region. San Andreas Fault just north of Carter Grade. 579 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-BC156851  Solanum umbelliferum E. C. Twisselmann; E. McMillan 1968-7-16 14585 Kern Ridge between Little Cannell Meadow and Fay Creek 2317 Comment
  CAS-BOT-BC157594  Solanum umbelliferum Ernest C. Twisselmann 1965-6-3 10954 Kern Hill east of Bodfish Gap (northwest end of Piute Mountain) 1234 Comment
  CAS-BOT-BC157603  Solanum umbelliferum Ernest C. Twisselmann 1965-6-23 11052 Kern Foot of Purdy Ridge south of Purdy Canyon, Tejon Ranch 1646 Comment
  CAS-BOT-BC157604  Solanum umbelliferum Ernest C. Twisselmann 1958-5-21 4469 Kern Cienaga Canyon near the Klipstein Ranch 884 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-BC158642  Purshia tridentata var. glandulosa Ernest C. Twisselmann 1966-6-9 12337 Kern Head of Jawbone Canyon, near the Wilderness Ranch - Tehachapi Mountains 1402 Comment
  CAS-BOT-BC159095  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-BC159242  Phacelia ramosissima var. subglabra Ernest C. Twisselmann 1962-7-19 7441 Kern Harris Grade, 1.7 mile east of Lander's Meadow, Piute Mountains 1958 Comment
  CAS-BOT-BC159375  Drymocallis lactea var. lactea Ernest C. Twisselmann 1957-6-21 3738 Kern Tiger Flat, Greenhorn Range - Sierra Nevada 2019 Comment
  CAS-BOT-BC159775  Prunus andersonii Ernest C. Twisselmann 1957-3-31 3299 Kern Canebrake Creek, 4 miles west of Walker Pass 1402 Comment
  CAS-BOT-BC159881  Prunus dulcis Ernest C. Twisselmann 1966-4-6 11797 Kern Glennville: Pascoe Road across from the rodeo grounds 883 Comment
  CAS-BOT-BC160653  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-BC160654  Chylismia claviformis subsp. claviformis Ernest C. Twisselmann 1962-4-10 6827 Kern Mojave Desert, the Mojave-Randsburg Region. Highway U.S. 466 near the San Bernardino County Line 716 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-BC160823  Camissonia kernensis subsp. kernensis Ernest C. Twisselmann 1956-5-17 2799 Kern Piute Mountains: Harris Grade, 3.1 miles west of Shorty's Place 1597 Comment
  CAS-BOT-BC160824  Camissonia kernensis subsp. kernensis Ernest C. Twisselmann 1962-4-11 6912 Kern Divide between Kelso Canyon and Kelso Valley 1417 Comment
  CAS-BOT-BC161421  Bromus tectorum Ernest C. Twisselmann 1970-5-6 16453 Kern Mojave Desert. Red Rock Canyon. Flats along Tarweed Creek. 762 Comment
  CAS-BOT-BC161428  Bromus tectorum Ernest C. Twisselmann 1964-6-21 9648 Kern Tehachapi Mountains. Summit of the east flank of Bear Mountain. 1981 Comment
  CAS-BOT-BC161455  Bromus tectorum Ernest C. Twisselmann 1961-5-23 6263 Kern Tehachapi Mountains. Tejon Ranch. El Paso Canyon, about 0.5 mile below the Meadows Place. 853 Comment
  CAS-BOT-BC161456  Bromus tectorum Ernest C. Twisselmann 1961-5-24 6207 Kern Tehachapi Mountains. Tejon Ranch. The old hog ranch, Catskin Basin. 1615 Comment
  CAS-BOT-BC161457  Bromus tectorum Ernest C. Twisselmann 1961-5-24 6207 Kern Tehachapi Mountains. Tejon Ranch. The old hog ranch, Catskin Basin. 1615 Comment
  CAS-BOT-BC161465  Bromus tectorum Ernest C. Twisselmann 1959-4-25 5128 Kern Eastern San Joaquin Valley. Woody Road at Highway 65 (Poso Hills). 335 Comment
  CAS-BOT-BC161466  Bromus tectorum Ernest C. Twisselmann 1958-5-27 4475 Kern Sierra Nevada. Greenhorn Range. Wagy Flat Road, 7.6 miles east of the Summit. 1249 Comment
  CAS-BOT-BC161467  Bromus tectorum Ernest C. Twisselmann 1958-4-26 4375 Kern Temblor Range and the Western San Joaquin Valley. Grocer Grade, 3.8 miles west of Maricopa. 289 Comment
  CAS-BOT-BC161472  Bromus tectorum Ernest C. Twisselmann 1957-6-25 3776 Kern San Emigdio Range. Mill Potrero. 1394 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-BC161885  Bromus rubens Ernest C. Twisselmann 1956-3-21 2572 Kern Tehachapi-Kernville Region. Bena Siding, Tehachapi Canyon flood plain. 267 Comment
  CAS-BOT-BC162879  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-BC162882  Eremothera boothii subsp. desertorum Ernest C. Twisselmann 1964-5-6 9309 Kern Jawbone Canyon at the aqueduct, Mojave Desert, Mojave-Randsburg Region 762 Comment
  CAS-BOT-BC163021  Eremothera boothii subsp. decorticans Ernest C. Twisselmann 1963-4-18 8081 Kern Northeast end of Pleito Hills - San Emigdio Range and the Mt. Pinos Region 487 Comment
  CAS-BOT-BC164262  Clarkia cylindrica subsp. cylindrica Ernest C. Twisselmann 1956-4-23 2707 Kern Orchard Peak (Antelope Mountain), western Kern county 853 Comment
  CAS-BOT-BC164276  Clarkia cylindrica subsp. cylindrica Ernest C. Twisselmann 1954-5-13 1245 Kern Drake Ridge: 3 miles northwest of Temblor Ranch 731 Comment
  CAS-BOT-BC164448  Clarkia dudleyana Ernest C. Twisselmann 1962-5-7 7033 Kern Glennville Road, 2 miles east of Granite Station 731 Comment
  CAS-BOT-BC164855  Clarkia rhomboidea Ernest C. Twisselmann 1965-7-6 11123 Kern North slope of Tehachapi Peak 2042 Comment
  CAS-BOT-BC164856  Clarkia rhomboidea Ernest C. Twisselmann 1962-6-21 7395 Kern Tejon Ranch: Tunis Ridge 1432 Comment
  CAS-BOT-BC165294  Clarkia speciosa subsp. polyantha Ernest C. Twisselmann 1957-6-21 3720 Kern Old Kernville Road, 6.8 miles west of Greenhorn Pass 1341 Comment
  CAS-BOT-BC165308  Clarkia speciosa subsp. polyantha Ernest C. Twisselmann 1965-6-23 11050 Kern Foot of Purdy Ridge south of Purdy Canyon, Tejon Ranch 1645 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-BC167313  California macrophylla Ernest C. Twisselmann 1965-4-26 10603 Kern Adobe Knoll at the head of Adobe Canyon 502 Comment
  CAS-BOT-BC167314  California macrophylla Ernest C. Twisselmann 1965-4-26 10603 Kern Adobe Knoll at the head of Adobe Canyon 502 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-BC169762  Pectocarya Ernest C. Twisselmann 1965-6-3 10919 Kern Head of Spanish Needle Creek. Sierra Nevada 1417 Comment
  CAS-BOT-BC170003  Atriplex confertifolia Ernest C. Twisselmann 1964-5-7 9355 Kern Flats at the north end of Rosamond Lake, Edwards Air Force Base, Mohave-Randsburg Region 605 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-BC170099  Atriplex lentiformis Ernest C. Twisselmann 1962-11-14 7946 Kern Cole's Levee, north of Buena Vista Lake - San Joaquin Valley 83 Comment
  CAS-BOT-BC170101  Atriplex lentiformis Ernest C. Twisselmann 1962-11-14 7955 Kern Plains east of Buena Vista Lake - San Joaquin Valley 64 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-BC170801  Mentzelia eremophila Ernest C. Twisselmann 1969-5-21 15396 Kern Steep slope below Sullivan Spring - Red Rock Canyon, Mojave Desert 792 Comment
  CAS-BOT-BC170808  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-BC170892  Mentzelia veatchiana Ernest C. Twisselmann 1956-4-20 2678 Kern Jawbone Canyon, .7 mile east of Jawbone Well, Tehachapi-Kernville Region 868 Comment
  CAS-BOT-BC170952  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
Read comments Feb 28 2018
  CAS-BOT-BC171904  Epilobium canum subsp. latifolium Ernest C. Twisselmann 1963-8-30 8923 Kern Lookout Point, Piute Mountains, Tehachapi-Kernville Region. 2499 Comment
  CAS-BOT-BC171905  Epilobium canum subsp. latifolium Ernest C. Twisselmann 1963-8-30 8923 Kern Lookout Point, Piute Mountains, Tehachapi-Kernville Region. 2499 Comment
  CAS-BOT-BC171906  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-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-BC172605  Atriplex coronata Ernest C. Twisselmann 1969-10-16 16298 Kern Bear Mountain Boulevard: 5.2 miles west of Arvin 114 Comment
  CAS-BOT-BC172606  Atriplex coronata Ernest C. Twisselmann 1954-9-1 1562 Kern Devil's Den Road, 2.4 miles east of Keck's Corner 274 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-BC17263  Arabidopsis thaliana Ernest C. Twisselmann 1965-6-4 10984 Kern Sierra Nevada. The Greenhorn Range. Petitt Meadow. 1447 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-BC173998  Ribes viscosissimum Ernest C. Twisselmann 1966-6-23 12382 Kern Trail to Sunday Peak 2407 Comment
  CAS-BOT-BC174495  Loeflingia squarrosa Ernest C. Twisselmann 1965-5-18 10838 Kern Mojave Desert, the Mojave-Randsburg Region. Dunes at the southeast end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-BC174497  Loeflingia squarrosa Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-4-24 14106 Kern Cyrus Canyon (east of Kern Valley) 1036 Comment
  CAS-BOT-BC174510  Loeflingia squarrosa Ernest C. Twisselmann 1969-5-21 15360 Kern Mojave Desert, Red Rock Canyon. Head of Tarweed Creek 784 Comment
  CAS-BOT-BC176512  Atriplex polycarpa Ernest C. Twisselmann 1954-1-5 832 Kern New Well Wash: 5 miles southwest of Blackwell's Corner Comment
  CAS-BOT-BC176632  Atriplex serenana var. serenana Ernest C. Twisselmann 1961-10-5 6602 Kern Eastern San Joaquin Valley. Hart Memorial Park: east end of the boat lake 152 Comment
  CAS-BOT-BC176816  Kochia californica Ernest C. Twisselmann 1964-5-7 9350 Kern Mojave Desert, the Mojave-Randsburg Region. Rosamond Lake, near the north end, Edwards Air Force Base 601 Comment
  CAS-BOT-BC176817  Kochia californica Ernest C. Twisselmann 1964-5-7 9350 Kern Mojave Desert, the Mojave-Randsburg Region. Rosamond Lake, near the north end, Edwards Air Force Base 601 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-BC177910  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1962-3-30 6737 Kern Antelope Plains, Devil's Water Canyon flood plain 281 Comment
  CAS-BOT-BC177919  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1962-3-30 6737 Kern Antelope Plains, Devil's Water Canyon flood plain 281 Comment
  CAS-BOT-BC177944  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1955-4-10 1834 Kern Temblor Ranch, western Kern County 579 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-BC178123  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-BC178125  Astragalus lentiginosus var. nigricalycis Ernest C. Twisselmann 1956-3-26 2591 Kern Spellacy Hill, 2.2 miles west of Taft - Temblor Range and the Western San Joaquin Valley 454 Comment
  CAS-BOT-BC179802  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-BC180826  Atriplex spinifera Ernest C. Twisselmann 1958-3-22 4151 Kern Corcoran Highway, 0.5 mile north of Pond - Eastern San Joaquin Valley 106 Comment
  CAS-BOT-BC180827  Atriplex spinifera Ernest C. Twisselmann 1958-4-17 4301 Kern U.S. 466, 10.3 miles west of Boron, Mojave-Randsburg Region 792 Comment
  CAS-BOT-BC18088  Carex athrostachya Ernest C. Twisselmann 1958-8-19 4692 Kern Tehachapi-Kernville Region. Breckenridge Mountain. Squirrel Meadow. 2072 Comment
  CAS-BOT-BC18090  Carex athrostachya Ernest C. Twisselmann 1963-7-10 8708 Kern Sierra Nevada. The Kern Plateau. Fork of Cannell Creek on Pine Flat. 2164 Comment
  CAS-BOT-BC180933  Atriplex minuscula Ernest C. Twisselmann 1968-8-22 14899 Kern Jerry Slough at the Tracy Ranch, UC Public Health study area - San Joaquin Valley 91 Comment
  CAS-BOT-BC182410  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-BC182672  Astragalus douglasii Ernest C. Twisselmann 1970-5-6 16450 Kern Cache Creek, 7 miles northwest of Mojave 1203 Comment
  CAS-BOT-BC182723  Astragalus douglasii Ernest C. Twisselmann 1964-5-26 9530 Kern Studhorse Canyon (a fork of upper Caliente Canyon) 792 Comment
  CAS-BOT-BC182724  Astragalus douglasii Ernest C. Twisselmann 1964-6-21 9629 Kern Summit of the east flank of Bear Mountain 1981 Comment
  CAS-BOT-BC183099  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1955-5-22 2015 B Kern Temblor Grade, 10.9 miles west of McKittrick 762 Comment
  CAS-BOT-BC183101  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1953-4-11 619 Kern Temblor Grade, 10.9 miles west of McKittrick 731 Comment
  CAS-BOT-BC183108  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1964-6-21 9655 Kern Summit of the east flank of Bear Mountain 1920 Comment
  CAS-BOT-BC183113  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1966-4-20 11980 Kern Flat at the head of [Messa] Mesa Ridge 1039 Comment
  CAS-BOT-BC183114  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1953-3-27 35 Kern Plains, 1/2 mile west of Layman Oil Field (near Red Gate) 304 Comment
  CAS-BOT-BC183125  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1967-4-8 782 Kern The Greenhorn Range. Hill across from the Carl West place, 1 mile below Granite Station on the Famosa Highway 274 Comment
  CAS-BOT-BC183126  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1971-4-26 17676 Kern Cyrus Canyon, near its head 1188 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-BC183130  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1957-6-21 3707 Kern Rattlesnake Grade, 0.2 mile northeast of Davis Guard Station 1676 Comment
  CAS-BOT-BC183768  Vulpia microstachys var. confusa Ernest C. Twisselmann 1954-4-17 1090 Kern Temblor Grade: 6 miles west of McKittrick 762 Comment
  CAS-BOT-BC183977  Vulpia microstachys var. microstachys Ernest C. Twisselmann 1966-6-24 12482 Kern East fork of upper Bartolas Creek 2103 Comment
  CAS-BOT-BC184273  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1955-3-22 1750 Kern Bitterwater Canyon, 2 miles west of Maricopa 365 Comment
  CAS-BOT-BC184274  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1955-4-14 1847 Kern Chico Martinez Canyon, western Kern County 426 Comment
  CAS-BOT-BC184288  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1965-3-17 10462 Kern San Joaquin Valley, the Kern National Wildlife Refuge 68 Comment
  CAS-BOT-BC184291  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1955-3-15 1730 Kern Buttonwillow Road, 1 mile north of Tupman 96 Comment
  CAS-BOT-BC184304  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1961-5-24 6270 Kern Tejon Ranch: ridge above Sucelito [Saucelito] Corrals 1188 Comment
  CAS-BOT-BC184305  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1969-4-19 15141 Kern Comanche Hills along Tejon Creek, 1 mile above its mouth 335 Comment
  CAS-BOT-BC184306  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1969-4-5 15096 Kern Paine Preserve, 2.1 miles north of Highway 46 on the Corcoran Highway 91 Comment
  CAS-BOT-BC184307  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1965-3-17 10454 Kern San Joaquin Valley, the Kern National Wildlife Refuge 68 Comment
  CAS-BOT-BC184755  Vulpia myuros subsp. megalura Ernest C. Twisselmann 1958-4-12 4256 Kern Eastern San Joaquin Valley. Kimberlina Road, 4.3 miles west of Highway U.S. 99 106 Comment
  CAS-BOT-BC184757  Vulpia myuros subsp. megalura E. C. Twisselmann 1965-3-17 10453 A Kern Kern National Wildlife Refuge 68 Comment
  CAS-BOT-BC184767  Vulpia myuros subsp. megalura Ernest C. Twisselmann 1957-4-3 3309 Kern Eastern San Joaquin Valley. Rattlesnake Grade, 4.8 miles northeast of Kern River Highway 434 Comment
  CAS-BOT-BC184948  Cenchrus longispinus Ernest C. Twisselmann 1957-9-19 4052 Kern Tehachapi-Kernville Region. Cottage Grove Cemetery, 1.1 mile east of Onyx. 853 Comment
  CAS-BOT-BC185962  Vulpia octoflora var. octoflora Ernest C. Twisselmann 1960-4-2 5927 Kern Fay Canyon, 2.3 miles north of Weldon 807 Comment
  CAS-BOT-BC186057  Zea mays Ernest C. Twisselmann 1959-7-4 5431 Kern Eastern San Joaquin Valley. Arvin District: Edison Drive 0.9 mile south of Bear Mountain Boulevard 126 Comment
  CAS-BOT-BC186115  Ribes roezlii var. roezlii Ernest C. Twisselmann 1964-4-25 9264 Kern Howling Gulch, ca. 3 miles southeast of Woody 762 Comment
  CAS-BOT-BC186116  Ribes roezlii var. roezlii Ernest C. Twisselmann 1966-5-20 12261 Kern West side of the summit of Tweedy Canyon (mountains east of Keene) 1676 Comment
  CAS-BOT-BC186124  Ribes roezlii var. roezlii Ernest C. Twisselmann 1957-4-3 3318 Kern Eugene Grade, east of Poso Flat 1066 Comment
  CAS-BOT-BC186308  Garrya flavescens Ernest C. Twisselmann 1963-8-8 8860 Kern Ridge southwest of Cottonwood Creek (Mojave drainage) 1463 Comment
  CAS-BOT-BC186663  Atriplex torreyi Ernest C. Twisselmann 1961-10-30 6656 Kern Mojave-Randsburg Region. Flats at the southeast end of Koehn Lake 609 Comment
  CAS-BOT-BC186882  Astragalus hornii var. hornii Ernest C. Twisselmann 1958-11-1 4904 Kern Eastern San Joaquin Valley. Greenfield Region: Cottonwood Road, 1.3 mile south of Panama Lane 137 Comment
  CAS-BOT-BC187018  Astragalus layneae Ernest C. Twisselmann 1958-4-17 4298 Kern Mojave-Randsburg Region. U. S. 466, 10.3 miles west of Boron 800 Comment
  CAS-BOT-BC187200  Astragalus lentiginosus var. idriensis Ernest C. Twisselmann 1955-6-23 2195 Kern San Emigdio Range. Mill Potrero Road, near Apache Gap 1844 Comment
  CAS-BOT-BC187209  Astragalus lentiginosus var. idriensis Ernest C. Twisselmann 1081 Kern Temblor Grade: 8 miles west of McKittrick 853 Comment
  CAS-BOT-BC187382  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1956-7-17 3091 Kern Kelso Valley 1249 Comment
  CAS-BOT-BC187410  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-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-BC187522  Astragalus macrodon Ernest C. Twisselmann 1954-5-1 1141 Kern Summit of Associated Ridges, near PG&E Pole Line, Temblor Mountains 990 Comment
  CAS-BOT-BC187952  Eriastrum hooveri Ernest C. Twisselmann 1958-5-14 4466 Kern Forks of Cedar Canyon 487 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-BC189177  Eriodictyon crassifolium var. nigrescens Ernest C. Twisselmann 1955-6-23 2213 Kern San Emigdio Canyon, 1.9 miles E of Mill Potrero 1463 Comment
  CAS-BOT-BC189345  Cryptantha circumscissa Ernest C. Twisselmann 1965-6-3 10930 Kern Tehachapi-Kernville Region. W slope of Walker Pass, ca 2 miles SE of the highway 1584 Comment
  CAS-BOT-BC189346  Cryptantha circumscissa Ernest C. Twisselmann 1965-5-18 10817 Kern The Mojave-Randsburg Region. SW end of Rogers Lake, Edwards Air Force Base 731 Comment
  CAS-BOT-BC189347  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-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-BC189374  Cryptantha circumscissa Ernest C. Twisselmann 1964-6-10 9561 Kern San Emigdio Range and the Mount Pinos Region. Tecuya Ridge 2060 Comment
  CAS-BOT-BC189638  Plagiobothrys torreyi Ernest C. Twisselmann 1971-7-15 17878 Kern The Kern Plateau. N fork of the head of Bartolas Creek 2011 Comment
  CAS-BOT-BC190062  Crypsis schoenoides Ernest C. Twisselmann 1961-8-21 6488 Kern Sierra Nevada. Isabella Lake bed. Old Kern River channel about 0.25 mile south of the old Borel Canal Bridge. 762 Comment
  CAS-BOT-BC190159  Crypsis vaginiflora Ernest C. Twisselmann 1972-9-22 19272 Kern Sierra Nevada. Bed of Lake Isabella, ca. 1 mile south of the Kernville airport. 762 Comment
  CAS-BOT-BC19167  Carex barbarae Ernest C. Twisselmann 1964-7-25 9959 Kern Sierra Nevada. The Greenhorn Range. Lynns Valley at the Henry Bowen Ranch. 975 Comment
  CAS-BOT-BC191689  Chorizanthe brevicornu var. brevicornu Ernest C. Twisselmann 1962-5-7 7056 Kern El Paso Range: canyon N of El Paso Peak. Mojave Desert 944 Comment
  CAS-BOT-BC192722  Deschampsia danthonioides Ernest C. Twisselmann 1962-4-19 6996 Kern Delano Road, 14.7 miles west of Woody 274 Comment
  CAS-BOT-BC193020  Astragalus purshii var. tinctus Ernest C. Twisselmann 1957-4-30 3453 Kern Piute Mountains: Erskine Creek 1158 Comment
  CAS-BOT-BC193465  Thinopyrum ponticum Ernest C. Twisselmann 1958-10-16 4875 Kern University Test Plot, 2 1/2 miles west of Lost Hills - Temblor Range and the Western San Joaquin Valley 137 Comment
  CAS-BOT-BC193466  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-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-BC194086  Caesalpinia gilliesii Ernest C. Twisselmann 1960-8-21 5987 Kern Ernest Still Ranch, 0.5 mile south of Annette - Temblor Range and the Western San Joaquin Valley 640 Comment
  CAS-BOT-BC194470  Astragalus oxyphysus Ernest C. Twisselmann 1954-4-6 995 Kern Point of Rocks, open plain, 1 mile north - Temblor Range and the Western San Joaquin Valley 274 Comment
  CAS-BOT-BC196800  Lupinus breweri var. grandiflorus Ernest C. Twisselmann 1962-6-22 7342 Kern North end of the crest of Piute Mountain 2346 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-BC197138  Echinochloa crus-galli Ernest C. Twisselmann 1965-10-1 11640 Kern Sierra Nevada, the Greenhorn Range. Lumreau Creek, just above Cedar Creek 807 Comment
  CAS-BOT-BC197215  Echinochloa crus-pavonis Ernest C. Twisselmann 1961-8-21 6492 Kern Isabella Lake Bed: old Kern River channel about 1/4 mile south of the old Borel Canal Bridge Comment
  CAS-BOT-BC197279  Echinochloa muricata var. microstachya Ernest C. Twisselmann 1954-6-27 1416 Kern Temblor Range and the Western San Joaquin Valley. Temblor Ranch: Western Kern County 563 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-BC197384  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-BC198771  Vulpia bromoides Ernest C. Twisselmann 1964-4-25 9246 Kern The Sheep Camp, ca. 4.5 miles east of Woody - Greenhorn Range, Sierra Nevada 975 Comment
  CAS-BOT-BC199008  Ribes roezlii var. roezlii Ernest C. Twisselmann 1958-8-8 4609 Kern El Tejon Ranch, Tributary of Cottonwood Creek in Catskin Basin, Mojave drainage, Tehachapi-Kernville Region 1798 Comment
  CAS-BOT-BC200019  Ribes roezlii var. roezlii Ernest C. Twisselmann 1962-6-1 7248 Kern Water Canyon 1584 Comment
  CAS-BOT-BC200020  Ribes roezlii var. roezlii Ernest C. Twisselmann 1956-9-14 3160 Kern San Emigdio Range. Mt. Pinos road 0.1 mile west of the end of the paved highway 2316 Comment
  CAS-BOT-BC200570  Ribes roezlii var. roezlii Ernest C. Twisselmann 1966-6-9 12354 Kern Champagne Spring on the northwest flank of Cache Peak 1737 Comment
  CAS-BOT-BC201402  Lupinus albifrons var. albifrons Ernest C. Twisselmann 1963-4-12 8049 Kern West slope of Caliente Canyon, ca 2 miles southwest of Caliente 365 Comment
  CAS-BOT-BC201792  Deschampsia elongata Ernest C. Twisselmann 1961-7-27 6411 Kern Canyon 0.9 mile north of Tiger Flat 1950 Comment
  CAS-BOT-BC202341  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-BC202350  Prosopis glandulosa var. torreyana Ernest C. Twisselmann 1958-9-3 4782 Kern Eastern San Joaquin Valley. Kern River at Enos Road 106 Comment
  CAS-BOT-BC202489  Euphorbia vallis-mortae Ernest C. Twisselmann 1958-5-27 4542 Kern Short Canyon (Mojave drainage) 1036 Comment
  CAS-BOT-BC202490  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-BC203261  Eremalche parryi Ernest C. Twisselmann 1955-4-2 1776 Kern Temblor Range and the Western San Joaquin Valley. Plains 11.9 miles north of Lost Hills 91 Comment
  CAS-BOT-BC203279  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-BC203322  Eremalche parryi Ernest C. Twisselmann 1958-3-22 4169 Kern Temblor Range and the Western San Joaquin Valley. Corcoran Highway, 1.5 mile north of U.S. 466 68 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-BC204012  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-BC204228  Elymus stebbinsii subsp. stebbinsii Ernest C. Twisselmann 1962-9-20 7879 Kern Sierra Nevada, the Greenhorn Range. Black Mountain Saddle 1905 Comment
  CAS-BOT-BC204347  Elymus trachycaulus subsp. trachycaulus Ernest C. Twisselmann 1957-6-25 3770 Kern San Emigdio Range. San Emigdio Canyon: east fork just above the forks 1432 Comment
  CAS-BOT-BC204461  Eragrostis cilianensis Ernest C. Twisselmann 1958-11-1 4896 Kern Eastern San Joaquin Valley. Greeley Region: Stockdale Highway at the Hiller Ranch 112 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-BC204566  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-BC204567  Eragrostis mexicana subsp. virescens Ernest C. Twisselmann 1959-7-4 5433 Kern Eastern San Joaquin Valley. Arvin District: Rancho Road 0.25 mile north of Herring Road 179 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-BC205395  Lupinus excubitus var. austromontanus Ernest C. Twisselmann 1957-6-5 3640 Kern Tehachapi-Kernville Region. Piute Mountains: Bodfish Road, 0.5 mile north-west of Saddle Springs 2011 Comment
  CAS-BOT-BC205396  Lupinus excubitus var. austromontanus Ernest C. Twisselmann 1961-5-24 6250 Kern Tehachapi Mountains. Tejon Ranch: near summit of Giegis Ridge 1767 Comment
  CAS-BOT-BC205841  Fremontodendron californicum Ernest C. Twisselmann 1964-5-15 9435 Kern Sierra Nevada, the Greenhorn Range. West side of the summit of Blue Mountain 1493 Comment
  CAS-BOT-BC205859  Fremontodendron californicum Ernest C. Twisselmann 1967-9-19 13715 Kern Tehachapi-Kernville Region. Summit of Scodie (Kiahvah) Mountain 1981 Comment
  CAS-BOT-BC206338  Malacothamnus fremontii Ernest C. Twisselmann 1966-7-13 12615 Kern Head of Cuddy Valley - San Emigdio Range and the Mt. Pinos Region 1950 Comment
  CAS-BOT-BC206341  Malacothamnus fremontii Ernest C. Twisselmann 1966-7-5 12542 Kern Bronco Canyon, Tejon Ranch - Tehachapi Mountains 1493 Comment
  CAS-BOT-BC206348  Malacothamnus fremontii Ernest C. Twisselmann 1955-8-10 2324 Kern Mt. Pinos Road, near Ventura County line - San Emigdio Range 2127 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-BC206712  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-BC208530  Echinochloa oryzoides Ernest C. Twisselmann 1962-11-14 7986 Kern Taft Highway, 3.6 miles west of Old River, San Joaquin Valley 102 Comment
  CAS-BOT-BC208688  Distichlis spicata Ernest C. Twisselmann 1961-10-30 6657 Kern Flats at the southeast end of Koehn Lake, Mohave-Randsburg Region 609 Comment
  CAS-BOT-BC208700  Distichlis spicata Ernest C. Twisselmann 1959-4-1 5018 Kern Goose Lake - Temblor Range and the Western San Joaquin Valley 67 Comment
  CAS-BOT-BC209051  Digitaria sanguinalis Ernest C. Twisselmann 1961-8-21 6511 Kern Kern Canyon, 1.5 mile above the canyon mouth - Greenhorn Range, Sierra Nevada 304 Comment
  CAS-BOT-BC209058  Digitaria sanguinalis Ernest C. Twisselmann 1958-9-3 4797 Kern Fresno Road, about 2 miles southwest of Shafter - Eastern San Joaquin Valley 121 Comment
  CAS-BOT-BC209199  Dichanthelium acuminatum subsp. acuminatum Ernest C. Twisselmann 1961-7-27 6447 Kern Kern River opposite the Kernville Cemetery - Sierra Nevada 792 Comment
  CAS-BOT-BC211598  Tamarix aphylla Ernest C. Twisselmann 1961-8-22 6524 Kern Grapevine Canyon, west of Indian Wells Valley, Sierra Nevada 982 Comment
  CAS-BOT-BC212191  Cornus sericea Ernest C. Twisselmann 1967-6-26 13394 Kern Fay Creek at the Little Cannell Meadow Forest Road, Kern Plateau, Sierra Nevada 1950 Comment
  CAS-BOT-BC213926  Monardella odoratissima subsp. pallida Ernest C. Twisselmann 1966-6-23 12384 Kern Saddle north of Sunday Peak, Greenhorn Range, Sierra Nevada 2118 Comment
  CAS-BOT-BC213927  Monardella odoratissima subsp. pallida Ernest C. Twisselmann 1961-7-27 6397 Kern Cienega on the east slope of Sunday Peak, Greenhorn Range, Sierra Nevada 2164 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-BC214279  Salvia dorrii var. pilosa Ernest C. Twisselmann 1971-4-26 17615 Kern Cyrus Canyon, Sierra Nevada 1188 Comment
  CAS-BOT-BC214282  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-BC215641  Monardella linoides subsp. anemonoides Ernest C. Twisselmann 1956-7-17 3061 Kern Geringer Grade near the summit, Piute Mountains, Tehachapi-Kernville Region 2072 Comment
  CAS-BOT-BC216492  Achnatherum occidentale subsp. californicum Ernest C. Twisselmann 1957-7-23 3822 Kern Shirley Meadows Ski Slope 2133 Comment
  CAS-BOT-BC216752  Lupinus excubitus var. excubitus Ernest C. Twisselmann 1966-5-10 12123 Kern W end of King Solomon's Ridge, Piute Mountains 1463 Comment
  CAS-BOT-BC216762  Lupinus excubitus var. excubitus Ernest C. Twisselmann 1964-6-10 9566 Kern Tecuya Ridge 1828 Comment
  CAS-BOT-BC216775  Lupinus excubitus var. excubitus Ernest C. Twisselmann 1958-5-27 4526 Kern Head of Indian Wells Canyon 1737 Comment
  CAS-BOT-BC216837  Achnatherum occidentale Ernest C. Twisselmann 1964-7-24 9886 Kern Pine Flat 2164 Comment
  CAS-BOT-BC216845  Achnatherum occidentale Ernest C. Twisselmann 1962-7-19 7490 Kern French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC216846  Achnatherum occidentale Ernest C. Twisselmann 1961-6-22 6331 Kern E flank of Sawmill Mountain, Kern and Ventura Counties 2651 Comment
  CAS-BOT-BC217710  Fraxinus latifolia Ernest C. Twisselmann 1965-6-4 11010 Kern Buck Springs, west of Woody, Greenhorn Range, Sierra Nevada 883 Comment
  CAS-BOT-BC217843  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-BC217844  Perideridia pringlei Ernest C. Twisselmann 1957-6-5 3627 Kern Claraville Road, 1.8 mile south of Bodfish-Havilah Road junction, Piute Mountains, Tehachapi-Kernville Region 1341 Comment
  CAS-BOT-BC218414  Perideridia pringlei Ernest C. Twisselmann 1966-5-20 12237 Kern Summit of the high ridge ca. 5 miles northwest of Tehachapi, Loop Ranch, Tehachapi-Kernville Region 1524 Comment
  CAS-BOT-BC218926  Schinus molle Ernest C. Twisselmann 1960-4-2 5946 Kern Kern Canyon: north bank of the river, 0.75 mile east of the canyon mouth 289 Comment
  CAS-BOT-BC218927  Schinus molle Ernest C. Twisselmann 1960-4-2 5946 Kern Kern Canyon: north bank of the river, 0.75 mile east of the canyon mouth 289 Comment
  CAS-BOT-BC219278  Ribes nevadense Ernest C. Twisselmann 1957-7-23 3872 Kern Trail to Sunday Peak 2407 Comment
  CAS-BOT-BC219283  Ribes nevadense Ernest C. Twisselmann 1962-5-25 7207 Kern Roadside 4.6 miles from the summit of Mount Abel 2346 Comment
  CAS-BOT-BC219284  Ribes nevadense Ernest C. Twisselmann 1962-6-1 7236 Kern NW slope of Tehachapi Peak 1889 Comment
  CAS-BOT-BC219840  Monardella breweri subsp. breweri Ernest C. Twisselmann 1955-7-7 2229 Kern Temblor Range and the Western San Joaquin Valley. Ross Ridge, Temblor Mountains 783 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-BC221031  Trichostema austromontanum subsp. austromontanum Ernest C. Twisselmann 1955-10-21 2488 Kern Tehachapi-Kernville Region. Piute Peak Road, 1 mile west of French Meadow Ranger Station 2191 Comment
  CAS-BOT-BC221737  Monardella linoides subsp. oblonga Ernest C. Twisselmann 1967-9-19 13726 Kern Tehachapi-Kernville Region. South end of the summit ridge of Scodie (Kiavah) Mountain 1920 Comment
  CAS-BOT-BC221746  Monardella linoides subsp. oblonga Ernest C. Twisselmann 1966-9-8 12771 Kern San Emigdio Range and the Mt. Pinos Region. Canyon southwest of the Y Camp in upper San Emigdio Canyon 1767 Comment
  CAS-BOT-BC221970  Monardella odoratissima subsp. glauca Ernest C. Twisselmann 1963-7-10 8666 Kern Sierra Nevada, the Kern Plateau. Rim of the Kern Plateau southwest of Pine Flat 2225 Comment
  CAS-BOT-BC222533  Pholistoma auritum var. auritum Ernest C. Twisselmann 1965-6-4 10996 Kern Sierra Nevada, the Greenhorn Range. Cedar Creek at the Stone Corral 853 Comment
  CAS-BOT-BC223639  Calystegia longipes Ernest C. Twisselmann 1957-8-13 3978 Kern Tehachapi-Kernville Region. Tehachapi Valley: High Road, about 3.5 miles southwest of Tehachapi 1219 Comment
  CAS-BOT-BC223742  Frankenia salina Ernest C. Twisselmann 1969-10-16 16286 Kern San Joaquin Valley, the Kern County East Side. DiGiorgio Road, 0.7 mile east of Cottonwood Road 91 Comment
  CAS-BOT-BC223922  Tamarix parviflora Ernest C. Twisselmann 1969-5-21 15438 Kern Mojave Desert, Red Rock Canyon. Ricardo 792 Comment
  CAS-BOT-BC224269  Eriodictyon californicum Ernest C. Twisselmann 1957-4-30 3462 Kern Tehachapi-Kernville Region. Piute Mountains: Erksine Creek 920 Comment
  CAS-BOT-BC224361  Convolvulus simulans Ernest C. Twisselmann 1965-4-26 10597 Kern Sierra Nevada, the Greenhorn Range. Adobe Knoll at the head of Adobe Canyon 502 Comment
  CAS-BOT-BC224761  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-BC225520  Gilia tenuiflora Ernest C. Twisselmann 1955-5-12 1962 Kern Messa Ridge, Temblor Mountains, Temblor Range and the Western San Joaquin Valley 975 Comment
  CAS-BOT-BC226304  Gilia latiflora subsp. davyi Ernest C. Twisselmann 1965-5-5 10689 Kern Mojave Desert, the Mojave-Randsburg Region. Northeast end of Buckhorn Lake, Edwards Air Force Base 754 Comment
  CAS-BOT-BC226356  Gilia latiflora subsp. elongata Ernest C. Twisselmann 1963-5-11 8203 Kern Mojave Desert, the Mojave-Randsburg Region. Slope below Holly Mine, northwest end of El Paso Mountains 1097 Comment
  CAS-BOT-BC226357  Gilia latiflora subsp. elongata Ernest C. Twisselmann 1963-5-11 8203 Kern Mojave Desert, the Mojave-Randsburg Region. Slope below Holly Mine, northwest end of El Paso Mountains 1097 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-BC227262  Deschampsia elongata Ernest C. Twisselmann 1971-7-15 17893 Kern Kern Plateau. South fork of the head of Bartolas Creek 1981 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-BC227409  Elymus elymoides Ernest C. Twisselmann 1971-7-15 17890 Kern Sierra Nevada, the Kern Plateau. South fork of the head of Bartolas Creek 1981 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-BC231410  Lycium andersonii Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-5-22 14217 Kern Mojave Desert, the Mojave-Randsburg Region. Dunes at the southeast end of Buckhorn Lake 746 Comment
  CAS-BOT-BC231550  Nicotiana glauca Ernest C. Twisselmann 1953-11-3 818 Kern Temblor Range and the Western San Joaquin Valley. Belridge Plain: 1 mile east of Belridge Store on open plain 137 Comment
  CAS-BOT-BC231597  Lycium cooperi Carl Twisselmann 1951-4-7 s.n. Kern Point of Rocks adjacent to Antelope Valley 243 Comment
  CAS-BOT-BC232378  Polypogon monspeliensis Ernest C. Twisselmann 1963-4-18 8071 Kern San Emigdio Range and the Mount Pinos Region. San Emigdio Canyon 518 Comment
  CAS-BOT-BC232385  Polypogon monspeliensis Ernest C. Twisselmann 1969-5-21 15346 Kern Red Rock Canyon. Tarweed Creek 762 Comment
  CAS-BOT-BC232386  Polypogon monspeliensis Ernest C. Twisselmann 1965-6-24 11096 Kern Tehachapi Mountains. Castaic Lake, Tejon Ranch 1051 Comment
  CAS-BOT-BC232387  Polypogon monspeliensis Ernest C. Twisselmann 1964-7-17 9736 Kern Tehachapi Mountains. S side of Castaic Lake 1051 Comment
  CAS-BOT-BC232610  Polypogon monspeliensis Ernest C. Twisselmann 1964-9-29 10227 Kern The Kern National Wildlife Refuge. Along a canal 76 Comment
  CAS-BOT-BC232955  Polypogon australis Ernest C. Twisselmann 1972-9-22 19277 Kern Bed of Lake Isabella ca. 1 miles S of the Kernville airport 762 Comment
  CAS-BOT-BC233513  Lycium cooperi Ernest C. Twisselmann 1957-4-10 3377 Kern Alkali sink north of Desert Butte, Mohave Desert, Mohave-Randsburg Region 716 Comment
  CAS-BOT-BC233514  Lycium cooperi Ernest C. Twisselmann 1957-4-10 3377 Kern Alkali sink north of Desert Butte, Mohave Desert, Mohave-Randsburg Region 716 Comment
  CAS-BOT-BC233515  Lycium cooperi Ernest C. Twisselmann 1965-5-18 10850 Kern dunes at the northeast end of Buckhorn Lake, Edwards Air Force Base, Mojave Desert, Mojave-Randsburg Region 746 Comment
  CAS-BOT-BC234078  Elymus multisetus Ernest C. Twisselmann 1952-6-1 78 Kern Alec Cook Spring, Upper Cedar Canyon, Temblor Range and the Western San Joaquin Valley 594 Comment
  CAS-BOT-BC235268  Sorghum bicolor Ernest C. Twisselmann 1954-10-24 1638 Kern Temblor Range and the Western San Joaquin Valley. Corcoran Road: 8 miles north of U. S. 466 88 Comment
  CAS-BOT-BC235270  Sorghum bicolor Ernest C. Twisselmann 1963-8-30 8946 Kern Tehachapi-Kernville Region. Railroad tracks at Caliente 487 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-BC236052  Poa secunda subsp. secunda Ernest C. Twisselmann 1965-7-6 11151 Kern Tehachapi Mountains. Summit of Tehachapi Peak 2434 Comment
  CAS-BOT-BC236062  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-BC236091  Poa secunda subsp. secunda Ernest C. Twisselmann 1958-3-22 4160 Kern Eastern San Joaquin Valley. Porterville Highway, 0.5 mile N of Jasmine Siding 182 Comment
  CAS-BOT-BC236098  Poa secunda subsp. secunda Ernest C. Twisselmann 1962-5-8 7157 Kern NE flank of Morris Peak at the head of Indian Wells Canyon 1584 Comment
  CAS-BOT-BC236112  Poa secunda subsp. secunda Ernest C. Twisselmann 1969-5-21 15439 Kern The Mojave Desert. Red Rock Canyon. Ricardo 792 Comment
  CAS-BOT-BC236138  Poa secunda subsp. secunda Ernest C. Twisselmann 1957-6-21 3684 Kern The Greenhorn Range. Portugese Pass Road, 2.6 miles N of Greenhorn Pass 1920 Comment
  CAS-BOT-BC236141  Poa secunda subsp. secunda Ernest C. Twisselmann 1964-7-25 9936 Kern The Greenhorn Range. Summit Road, 1.5 miles S of Greenhorn Summit Store 1981 Comment
  CAS-BOT-BC236240  Poa secunda subsp. juncifolia Ernest C. Twisselmann 1962-6-22 7334 Kern Tehachapi-Kernville Region. French Meadow, Piute Mountains 2072 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-BC237490  Polypogon viridis Ernest C. Twisselmann 1953-9-9 752 Kern Temblor Range and the Western San Joaquin Valley. Salt Creek, 1 mile N of Temblor Ranch house, western Kern County Comment
  CAS-BOT-BC237878  Antirrhinum ovatum Ernest C. Twisselmann 1969-6-8 15630 Kern Temblor Range and the Western San Joaquin Valley. Cedar Canyon 662 Comment
  CAS-BOT-BC237966  Cordylanthus rigidus subsp. brevibracteatus Ernest C. Twisselmann 1969-11-26 16350 Kern Tehachapi-Kernville Region. Dry creek below the Goat Ranch (south of South Lake, Lake Isabella) 853 Comment
  CAS-BOT-BC237967  Cordylanthus rigidus subsp. brevibracteatus Ernest C. Twisselmann 1963-8-30 8898 Kern Tehachapi-Kernville Region. North end of Piute Mountain, 7.4 miles above Bodfish Gap 1905 Comment
  CAS-BOT-BC237972  Cordylanthus rigidus subsp. brevibracteatus Ernest C. Twisselmann 1961-7-27 6402 Kern Sierra Nevada, the Greenhorn Range. Lynn Valley, 3.3 miles northwest of Glenville 975 Comment
  CAS-BOT-BC238677  Sambucus nigra subsp. caerulea Ernest C. Twisselmann 1954-5-5 1173 Kern The Temblor Range and the Western San Joaquin Valley. Temblor Canyon: Cherry Spring 579 Comment
  CAS-BOT-BC238698  Sambucus nigra subsp. caerulea Ernest C. Twisselmann 1955-8-10 2320 Kern The San Emigdio Range. Mt. Abel, 6.4 miles from the summit 2019 Comment
  CAS-BOT-BC238955  Symphoricarpos rotundifolius Ernest C. Twisselmann 1965-7-6 11119 Kern The Tehachapi Mountains. North slope of Tehachapi Peak 2042 Comment
  CAS-BOT-BC238956  Symphoricarpos rotundifolius Ernest C. Twisselmann 1962-6-22 7365 Kern The Tehachapi-Kernville Region. North end of Piute Mountain 2011 Comment
  CAS-BOT-BC238957  Symphoricarpos rotundifolius Ernest C. Twisselmann 1966-7-5 12560 Kern The Tehachapi Mountains. Basque Encina 1356 Comment
  CAS-BOT-BC238965  Symphoricarpos rotundifolius Ernest C. Twisselmann 1964-7-24 9863 Kern The Sierra Nevada, the Kern Plateau. Trail to Little Cannell Meadow above Pine Flat 2270 Comment
  CAS-BOT-BC238966  Symphoricarpos rotundifolius Ernest C. Twisselmann 1962-6-22 7365 Kern The Tehachapi-Kernville Region. North end of Piute Mountain 2011 Comment
  CAS-BOT-BC238967  Symphoricarpos rotundifolius Ernest C. Twisselmann 1963-8-30 8900 Kern The Tehachapi-Kernville Region. North end of Piute Mountain, 7.7 miles above Bodfish Gap 1943 Comment
  CAS-BOT-BC238972  Symphoricarpos rotundifolius Ernest C. Twisselmann 1958-8-19 4726 Kern The Tehachapi-Kernville Region. Breckenridge Mountain Road, 0.4 mile east of Barrel Spring 1981 Comment
  CAS-BOT-BC239219  Penstemon newberryi var. berryi Ernest C. Twisselmann 1971-7-15 17866 Kern Sierra Nevada, the Kern Plateau. North fork of the head of Bartolas Creek 2011 Comment
  CAS-BOT-BC239889  Schismus arabicus Ernest C. Twisselmann 1964-5-7 9383 Kern Mojave Desert, the Mojave-Randsburg Region. South shore of Rogers Lake, Edwards Air Force Base 609 Comment
  CAS-BOT-BC239890  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
  CAS-BOT-BC239922  Schismus arabicus Ernest C. Twisselmann 1965-3-17 10474 Kern San Joaquin Valley, the Kern National Wildlife Refuge 68 Comment
  CAS-BOT-BC240179  Setaria verticillata Ernest C. Twisselmann 1954-9-1 1543 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-BC240725  Lonicera interrupta Ernest C. Twisselmann 1956-7-17 3052 Kern Tehachapi-Kernville Region. Piute Mountains: Mace Meadow 2103 Comment
  CAS-BOT-BC240726  Lonicera interrupta Ernest C. Twisselmann 1966-5-20 12322 Kern Tehachapi-Kernville Region. Tweedy Canyon, east of Keene 929 Comment
  CAS-BOT-BC240727  Lonicera interrupta Ernest C. Twisselmann 1966-8-26 12739 Kern Sierra Nevada, the Greenhorn Range. Poso Creek, 0.5 mile southwest of the junction of the Granite & Woody roads 822 Comment
  CAS-BOT-BC241784  Eriogonum brachypodum Ernest C. Twisselmann 1969-5-21 15440 Kern Mojave Desert, Red Rock Canyon. Head of the canyon on the old highway (Abbott Road) 853 Comment
  CAS-BOT-BC241785  Eriogonum brachypodum Ernest C. Twisselmann 1969-10-16 16306 Kern Mojave Desert, Red Rock Canyon. Main west fork of the canyon (below Ricardo) 792 Comment
  CAS-BOT-BC241796  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-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-BC243433  Schismus barbatus Ernest C. Twisselmann 1966-4-13 11828 Kern Plains east of Ridgecrest, along County Line Road, Mojave-Randsburg Region, Mojave Desert 719 Comment
  CAS-BOT-BC243434  Schismus barbatus Ernest C. Twisselmann 1957-3-27 3286 Kern Mesa on the west side of the mouth of Caliente Canyon, Eastern San Joaquin Valley 243 Comment
  CAS-BOT-BC243569  Setaria parviflora Ernest C. Twisselmann 1959-7-4 5426 Kern Olive Road 1.3 mile west of Highway U.S. 99, Bakersfield District, Eastern San Joaquin Valley 121 Comment
  CAS-BOT-BC244412  Poa annua Ernest C. Twisselmann 1958-8-8 4605 Kern Tehachapi-Kernville Region. Tejon Ranch: Juan Yaqui Spring 1402 Comment
  CAS-BOT-BC245815  Penstemon incertus Ernest C. Twisselmann 1958-5-6 4397 Kern 1.1 mile east of Highway 6 on the Inyokern Road, Indian Wells Valley, Mohave-Randsburg Region 975 Comment
  CAS-BOT-BC245816  Penstemon incertus Ernest C. Twisselmann 1958-5-6 4397 Kern 1.1 mile east of Highway 6 on the Inyokern Road, Indian Wells Valley, Mohave-Randsburg Region 975 Comment
  CAS-BOT-BC245817  Penstemon incertus Ernest C. Twisselmann 1966-6-9 12338 Kern Airplane Flat between Jawbone and Pinetree canyons, Tehachapi Mountains 1463 Comment
  CAS-BOT-BC246368  Chorizanthe spinosa Ernest C. Twisselmann 1966-4-12 11910 Kern East fork of Red Rock Canyon 822 Comment
  CAS-BOT-BC247286  Poa pratensis Ernest C. Twisselmann 1959-6-2 5303 Kern San Emigdio Range and the Mt. Pinos Region. Mill Potrero 1493 Comment
  CAS-BOT-BC247287  Poa pratensis Ernest C. Twisselmann 1959-6-2 5303 Kern San Emigdio Range and the Mt. Pinos Region. Mill Potrero 1493 Comment
  CAS-BOT-BC247293  Poa pratensis Ernest C. Twisselmann 1962-7-19 7454 Kern Tehachapi-Kernville Region. Lander's Meadow, Piute Mountain 1973 Comment
  CAS-BOT-BC247301  Poa pratensis Ernest C. Twisselmann 1962-6-22 7314 Kern Tehachapi-Kernville Region. Weldon Meadow, Piute Mountains 2087 Comment
  CAS-BOT-BC247313  Poa pratensis Ernest C. Twisselmann 1963-5-17 8282 Kern Sierra Nevada, the Greenhorn Range. Poso Creek just below the mouth of Little Poso Creek 664 Comment
  CAS-BOT-BC247314  Poa pratensis Ernest C. Twisselmann 1963-7-9 8628 Kern Sierra Nevada, the Greenhorn Range. Shirley Meadows 2011 Comment
  CAS-BOT-BC247317  Poa pratensis Ernest C. Twisselmann 1963-7-10 8699 Kern Sierra Nevada, the Kern Plateau. Fork of Cannell Creek on Pine Flat 2164 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-BC248140  Eriogonum angulosum Ernest C. Twisselmann 1961-10-31 6688 Kern Mohave [Mojave]-Randsburg Region. Antelope Valley: 2 miles southeast of Willow Springs 777 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-BC248182  Eriogonum angulosum Ernest C. Twisselmann 1962-11-14 8005 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-BC249362  Castilleja applegatei Ernest C. Twisselmann 1956-7-17 3079 Kern Tehachapi-Kernville Region. Piute Mountains: Grouse Meadow 2225 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-BC250364  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-BC250366  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-BC252305  Eriogonum heermannii var. heermannii Ernest C. Twisselmann 1966-9-8 12784 Kern San Emigdio Range and the Mt. Pinos Region. Cuddy Valley at Cuddy Canyon (just east of Lake of the Woods) 1578 Comment
  CAS-BOT-BC252306  Eriogonum heermannii var. heermannii Ernest C. Twisselmann 1955-8-10 2349 Kern San Emigdio Range. Cuddy Valley, 3/8 mile east of Cuddy Valley Store 1578 Comment
  CAS-BOT-BC25283  Boechera repanda Ernest C. Twisselmann 1965-7-6 11133 Kern Tehachapi Mountains. North slope of Tehachapi Peak. 2103 Comment
  CAS-BOT-BC253008  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-BC253363  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1969-5-21 15365 Kern Slope at the head of Tarweed Creek, Red Rock Canyon, Mojave Desert 784 Comment
  CAS-BOT-BC253365  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1954-5-7 1196 Kern 1 mile south of Bitterwater Road, Cedar Canyon, Temblor Range and the Western San Joaquin Valley Comment
  CAS-BOT-BC253366  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1964-5-26 9526 Kern Walker Basin Road, above the Piute Ranch, Tehachapi-Kernville Region 1082 Comment
  CAS-BOT-BC253367  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1964-5-26 9526 Kern Walker Basin Road, above the Piute Ranch, Tehachapi-Kernville Region 1082 Comment
  CAS-BOT-BC253818  Panicum dichotomiflorum Ernest C. Twisselmann 1965-10-1 11654 Kern The Greenhorn Range. Cedar Creek, just below the mouth of Lumreau Creek 792 Comment
  CAS-BOT-BC254410  Piptatherum miliaceum Ernest C. Twisselmann 1963-6-3 8368 Kern San Emigdio Range and the Mount Pinos Region. San Emigdio Ranch headqurters at the mouth of San Emigdio Canyon 426 Comment
  CAS-BOT-BC254716  Poa bolanderi Ernest C. Twisselmann 1963-7-9 8591 Kern The Greenhorn Range. W slope of Black Mountain 1981 Comment
  CAS-BOT-BC254717  Poa bolanderi Ernest C. Twisselmann 1963-7-9 8591 Kern The Greenhorn Range. W slope of Black Mountain 1981 Comment
  CAS-BOT-BC254723  Poa bolanderi Ernest C. Twisselmann 1962-9-18 7744 Kern The Greenhorn Range. Just N of Tiger Flat 2026 Comment
  CAS-BOT-BC254724  Poa bolanderi Ernest C. Twisselmann 1962-9-18 7744 Kern The Greenhorn Range. Just N of Tiger Flat 2026 Comment
  CAS-BOT-BC254726  Poa bolanderi Ernest C. Twisselmann 1963-7-9 8630 Kern The Greenhorn Range. Shirley Meadows 2011 Comment
  CAS-BOT-BC256105  Eriogonum deflexum var. baratum Ernest C. Twisselmann 1972-9-22 19227 Kern Above Lake Isabella, Sierra Nevada 822 Comment
  CAS-BOT-BC256983  Chorizanthe membranacea Ernest C. Twisselmann 1965-6-24 11090 Kern Tehachapi Mountains. Aqueduct Road: northeast slope of a tributary of Pastoria Canyon, Tejon Ranch 1005 Comment
  CAS-BOT-BC257441  Eriogonum inerme var. hispidulum Ernest C. Twisselmann 1965-7-27 11176 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road, 2.1 miles west of Munzer Meadow 1813 Comment
  CAS-BOT-BC257460  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-BC257495  Eriogonum inerme var. inerme Ernest C. Twisselmann 1958-8-19 4716 Kern Tehachapi-Kernville Region. Breckenridge Mountain: Barrel Spring 1981 Comment
  CAS-BOT-BC257497  Eriogonum inerme var. inerme Ernest C. Twisselmann 1957-7-23 3824 Kern The Sierra Nevada, the Greenhorn Range. Sprout Spring, 0.5 mile west of Greenhorn Pass 1798 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-BC258529  Eriogonum nudum var. westonii Ernest C. Twisselmann 1958-5-27 4533 Kern East slope of Morris Peak 1798 Comment
  CAS-BOT-BC258537  Eriogonum nudum var. westonii Ernest C. Twisselmann 1957-4-10 3337 Kern The Mojave-Randsburg Region. El Paso Mountains: Last Chance Canyon 746 Comment
  CAS-BOT-BC258591  Eriogonum ordii Ernest C. Twisselmann 1958-3-26 4213 Kern Eastern San Joaquin Valley. Poso Creek Road, 2.1 mile east of Mon Bluff 243 Comment
  CAS-BOT-BC259783  Nassella cernua Ernest C. Twisselmann 1959-5-2 5181 Kern Tehachapi - Kernville Region. Breckenridge Mountain Road just E of Parker Spring 685 Comment
  CAS-BOT-BC259784  Nassella cernua Ernest C. Twisselmann 1955-5-4 1939 Kern Mouth of Cottonwood Canyon, northwestern part of county 274 Comment
  CAS-BOT-BC260372  Achnatherum hymenoides Ernest C. Twisselmann 1953-7-27 725 Kern Temblor Range and the Western San Joaquin Valley. Belridge, 0.5 mile W of the North Belridge store Comment
  CAS-BOT-BC260389  Achnatherum hymenoides Ernest C. Twisselmann 1959-4-16 5063 Kern Mohave-Randsburg Region. Fremont Valley: Sand dunes at the S end of Koehn Lake 579 Comment
  CAS-BOT-BC260390  Achnatherum hymenoides Ernest C. Twisselmann 1959-4-16 5063 Kern Mohave-Randsburg Region. Fremont Valley: Sand dunes at the S end of Koehn Lake 579 Comment
  CAS-BOT-BC260588  Muhlenbergia filiformis Ernest C. Twisselmann 1966-7-13 12593 Kern San Emigdio Range and the Mount Pinos Region. Cienega at the head of Bitter Creek 2590 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-BC261084  Eriogonum gracillimum Ernest C. Twisselmann 1964-5-6 9314 Kern Head of Alphie Spring fork of Jawbone Canyon, Tehachapi-Kernville Region 1219 Comment
  CAS-BOT-BC261413  Eriogonum nudum var. indictum Ernest C. Twisselmann 1954-6-27 1401 Kern Temblor Range and the Western San Joaquin Valley. Cedar Canyon: 1 mile south of Bitterwater Road 487 Comment
  CAS-BOT-BC261414  Eriogonum nudum var. indictum Ernest C. Twisselmann 1954-6-18 1380 Kern Temblor Range and the Western San Joaquin Valley. McKittrick Tar Hill, 1/2 mile west of McKittrick 335 Comment
  CAS-BOT-BC261503  Eriogonum nudum var. nudum Ernest C. Twisselmann 1957-7-23 3854 Kern Sierra Nevada, the Greenhorn Range. Trail to Sunday Peak 2270 Comment
  CAS-BOT-BC261873  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1958-8-19 4711 Kern Tehachapi-Kernville Region. Summit of Breckenridge Mountain 2299 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-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-BC262624  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-BC263092  Eriogonum maculatum Ernest C. Twisselmann 1969-5-21 15369 Kern Mojave Desert, Red Rock Canyon. Sand flats north of Tarweed Creek 762 Comment
  CAS-BOT-BC263422  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-BC264975  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1965-7-6 11143 Kern Summit of Tehachapi Peak, Tehachapi Mountains 2434 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-BC264977  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1966-10-13 12891 Kern Divide between Kelso Valley and Jawbone Canyon, Tehachapi-Kernville Region 1463 Comment
  CAS-BOT-BC264991  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1966-9-8 12770 Kern Canyon southwest of teh Y Camp in upper San Emigdio Canyon, San Emigdio Range and the Mt. Pinos Region 1767 Comment
  CAS-BOT-BC265614  Paspalum distichum Ernest C. Twisselmann 1968-8-22 14894 Kern Jerry Slough at the Tracy Ranch (US Public Health study area), San Joaquin Valley 91 Comment
  CAS-BOT-BC265615  Paspalum distichum Ernest C. Twisselmann 1961-10-5 6629 Kern Kern River at Hart Memorial Park, Eastern San Joaquin Valley 152 Comment
  CAS-BOT-BC265616  Paspalum distichum Ernest C. Twisselmann 1963-9-6 8951 Kern Poso Creek near Famosa, San Joaquin Valley 114 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-BC265623  Paspalum distichum Ernest C. Twisselmann 1962-7-19 7516 Kern Kelso Creek, 6.1 miles south of Weldon, Tehachapi-Kernville Region 1645 Comment
  CAS-BOT-BC265624  Paspalum distichum Ernest C. Twisselmann 1961-7-27 6461 Kern Kern River at Borel Intake, east of Wofford, Sierra Nevada 784 Comment
  CAS-BOT-BC265969  Phalaris minor Ernest C. Twisselmann 1955-4-19 1874 Kern Farmlands 3 miles southeast of Buttonwillow, Temblor Range and the Western San Joaquin Valley 87 Comment
  CAS-BOT-BC268049  Eriogonum umbellatum var. furcosum Ernest C. Twisselmann 1958-8-19 4709 Kern Tehachapi-Kernville Region. Summit of Breckenridge Mountain 2299 Comment
  CAS-BOT-BC268051  Eriogonum umbellatum var. furcosum Ernest C. Twisselmann 1965-7-28 11330 Kern Sierra Nevada, Kern Plateau. Ridge southeast of Pine Flat 2316 Comment
  CAS-BOT-BC268199  Eriogonum umbellatum var. munzii Ernest C. Twisselmann 1958-8-8 4599 Kern Tehachapi-Kernville Region. Tejon Ranch: ridge along the east summit of Tunis Canyon 1798 Comment
  CAS-BOT-BC268281  Eriogonum umbellatum var. nevadense Ernest C. Twisselmann 1962-7-19 7463 Kern Tehachapi-Kernville Region. Lookout Point, Piute Mountains 2520 Comment
  CAS-BOT-BC268288  Eriogonum roseum Ernest C. Twisselmann 1954-6-27 1414 Kern Temblor Range and the Western San Joaquin Valley. Drake Ridge: 4 miles northwest of Temblor Ranch 883 Comment
  CAS-BOT-BC268307  Eriogonum roseum Ernest C. Twisselmann 1958-5-27 4528 Kern East slope of Morris Peak 1798 Comment
  CAS-BOT-BC268471  Eriogonum saxatile Ernest C. Twisselmann 1959-6-18 5396 Kern Tehachapi-Kernville Region. West slope of Breckenridge Mountain 1584 Comment
  CAS-BOT-BC268755  Eriogonum mohavense Ernest C. Twisselmann 1965-5-6 10773 Kern Mojave Desert, Mojave-Randsburg Region. Indian Wells Valley: plain just south of Harts Station 975 Comment
  CAS-BOT-BC268756  Eriogonum mohavense Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-5-22 14215 Kern Mojave Desert, Mojave-Randsburg Region. Dunes at the southeast end of Buckhorn Lake 746 Comment
  CAS-BOT-BC268757  Eriogonum mohavense Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-5-22 14215 Kern Mojave Desert, Mojave-Randsburg Region. Dunes at the southeast end of Buckhorn Lake 746 Comment
  CAS-BOT-BC268765  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-BC269760  Eriogonum nudum var. pauciflorum Ernest C. Twisselmann 1966-9-8 12764 Kern San Emigdio Range and the Mt. Pinos Region. Southeast slope of Brush Mountain (below Camp Marion) 2011 Comment
  CAS-BOT-BC269885  Eriogonum nudum var. pubiflorum Ernest C. Twisselmann 1972-9-22 19228 Kern Above Lake Isabella 822 Comment
  CAS-BOT-BC269918  Eriogonum nudum var. pubiflorum Ernest C. Twisselmann 1966-6-9 12369 Kern Tehachapi-Kernville Region. Noonday Rest (divide between Horse & Pine Tree Canyons) 1524 Comment
  CAS-BOT-BC271257  Koeleria pyramidata Ernest C. Twisselmann; Jack Zaninovich 1969-8-29 15966 Kern Fork of Cannell Creek on Pine Flat, Kern Plateau, Sierra Nevada 2164 Comment
  CAS-BOT-BC271781  Melica californica Ernest C. Twisselmann 1965-6-24 11084 Kern Telephone Road north of Rising Canyon, Tejon Ranch, Tehachapi-Kernville Region 1034 Comment
  CAS-BOT-BC271819  Melica californica Ernest C. Twisselmann 1959-4-25 5089 Kern Greenhorn Mountain Road, 7 miles east of Glennville, Greenhorn Range, Sierra Nevada 1432 Comment
  CAS-BOT-BC271820  Melica californica Ernest C. Twisselmann 1964-5-15 9447 Kern North flank of Blue Mountain, Greenhorn Range, Sierra Nevada 1280 Comment
  CAS-BOT-BC272441  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1962-11-14 7968 Kern Panama Road, ca. 1.5 mile west of Old River, San Joaquin Valley, East side Kern County 120 Comment
  CAS-BOT-BC272448  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1961-10-5 6615 Kern Kern River at Hart Memorial Park, Eastern San Joaquin Valley 152 Comment
  CAS-BOT-BC272608  Eriogonum spergulinum var. reddingianum Ernest C. Twisselmann 1956-9-14 3164 Kern San Emigdio Range. Mt. Pinos road, 0.1 mile west of the end of the highway 2316 Comment
  CAS-BOT-BC272613  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-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-BC272969  Ambrosia salsola Ernest C. Twisselmann 1970-5-6 16456 Kern Mojave Desert, Red Rock Canyon. Low flat south of Tarweed Creek 762 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-BC272987  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-BC273971  Leptochloa fusca subsp. fascicularis Ernest C. Twisselmann 1968-8-22 14889 Kern San Joaquin Valley, the Kern County East Side. Jerry Slough at the Tracy Ranch (UC Public Health study area) 91 Comment
  CAS-BOT-BC273978  Leptochloa fusca subsp. fascicularis Ernest C. Twisselmann 1958-11-1 4921 Kern Mohave-Randsburg Region. Cantil Region: drainage ditch near the Rudnick-Mendiburu feed mill 609 Comment
  CAS-BOT-BC274124  Pappostipa speciosa Ernest C. Twisselmann 1964-5-6 9329 Kern Tehachapi-Kernville Region. Alphie Spring (in a fork of Jawbone Canyon) 1036 Comment
  CAS-BOT-BC274127  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-BC274130  Pappostipa speciosa Ernest C. Twisselmann 1969-5-21 15421 Kern Mojave Desert, Red Rock Canyon. Mouth of Red Rock Canyon 731 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-BC274241  Rostraria cristata Ernest C. Twisselmann 1955-4-14 1858 Kern Temblor Range and the Western San Joaquin Valley. Antelope Plains, 9 miles southwest of Blackwell's Corner. (1/4 mile s. of Devil's Water Wash on Mize Place Road) 335 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-BC274452  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-BC274945  Muhlenbergia rigens Ernest C. Twisselmann 1964-9-16 10198 Kern Tehachapi - Kernville Region. Landers Meadow, Piute Mountains 1973 Comment
  CAS-BOT-BC274946  Muhlenbergia rigens Ernest C. Twisselmann 1964-9-16 10198 Kern Tehachapi - Kernville Region. Landers 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-BC275431  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-BC276365  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-BC276608  Chaenactis douglasii var. douglasii Ernest C. Twisselmann 1965-7-28 11321 Kern The Kern Plateau. Fork of Cannell Creek SE of Pine Flat 2286 Comment
  CAS-BOT-BC276866  Chaenactis fremontii Ernest C. Twisselmann 1969-5-21 15357 Kern Red Rock Canyon, Mojave Desert. Head of Tarweed Creek 784 Comment
  CAS-BOT-BC277805  Chaenactis santolinoides Ernest C. Twisselmann 1959-6-18 5400 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road, 1.6 mile east of Munzer Meadow 2042 Comment
  CAS-BOT-BC277806  Chaenactis santolinoides Ernest C. Twisselmann 1959-6-18 5400 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road, 1.6 miles east of Munzer Meadow 2042 Comment
  CAS-BOT-BC277807  Chaenactis santolinoides Ernest C. Twisselmann 1965-7-6 11128 Kern Tehachapi Mountains. North slope of Tehachapi Peak 2194 Comment
  CAS-BOT-BC277811  Chaenactis santolinoides Ernest C. Twisselmann 1963-7-10 8682 Kern Sierra Nevada, Kern Plateau. Rim of the Kern Plateau southwest of Pine Flat 2240 Comment
  CAS-BOT-BC278233  Schedonorus arundinaceus Ernest C. Twisselmann 1965-5-6 10768 Kern Mojave Desert, Mojave-Randsburg Region. Pasture just south of Ridgecrest on the Randsburg Road 731 Comment
  CAS-BOT-BC278236  Schedonorus arundinaceus Ernest C. Twisselmann 1953-6-27 57 Kern Temblor Range and the Western San Joaquin Valley. Temblor Ranch grounds Comment
  CAS-BOT-BC278978  Festuca rubra Ernest C. Twisselmann 1954-6-10 1369 Kern Temblor Range and the Western San Joaquin Valley. Temblor Ranch: Western Kern County 563 Comment
  CAS-BOT-BC279570  Centromadia pungens subsp. pungens Ernest C. Twisselmann 1954-5-20 1280 Kern Temblor Range and the Western San Joaquin Valley. Alkali Sink: 10 miles north of Lost Hills 106 Comment
  CAS-BOT-BC280591  Glyceria elata Ernest C. Twisselmann 1961-7-27 6416 Kern Sierra Nevada, Greenhorn Range. Cow Creek below Tiger Flat 1920 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-BC281085  Melica stricta Ernest C. Twisselmann 1971-7-15 17879 Kern The Kern Plateau. N fork of the head of the head of Bartolas Creek 2011 Comment
  CAS-BOT-BC281086  Melica stricta Ernest C. Twisselmann 1963-7-10 8684 Kern The Kern Plateau. Rim of the Kern Plateau SW of Pine Flat 2278 Comment
  CAS-BOT-BC281087  Melica stricta Ernest C. Twisselmann 1965-8-19 11469 Kern The Kern Plateau. N slope of the summit ridge of Bald Mt 2804 Comment
  CAS-BOT-BC281479  Melica imperfecta Ernest C. Twisselmann 1962-6-22 7292 Kern Tehachapi - Kernville Region. W slope of Piute Mt on the Walker Basin Rd 1805 Comment
  CAS-BOT-BC281482  Melica imperfecta Ernest C. Twisselmann 1965-6-18 11029 Kern San Emigdio Range and the Mt Pinos Region. Potrero in upper San Emigdio Canyon 762 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-BC283082  Schedonorus arundinaceus Ernest C. Twisselmann 1959-4-1 5003 Kern Arvin Region, Adobe Road 1 mile north of Teale Road, Eastern San Joaquin Valley 91 Comment
  CAS-BOT-BC283431  Lolium multiflorum Ernest C. Twisselmann 1964-5-26 9547 Kern Tehachapi-Kernville Region. E end of Walker Basin 1188 Comment
  CAS-BOT-BC284101  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1963-9-6 8959 Kern Lake Woollomes, near Delano, San Joaquin Valley 114 Comment
  CAS-BOT-BC284259  Chaenactis glabriuscula var. megacephala Ernest C. Twisselmann 1963-4-12 8033 Kern Mesa on the south side of the mouth of Tejon Canyon, San Joaquin Valley 219 Comment
  CAS-BOT-BC284260  Chaenactis glabriuscula var. megacephala Ernest C. Twisselmann 1964-4-25 9224 Kern Delano Road, 1.5 mile west of Woody, Greenhorn Range, Sierra Nevada 502 Comment
  CAS-BOT-BC284593  Hordeum brachyantherum subsp. brachyantherum Ernest C. Twisselmann 1965-5-27 10874 Kern Sierra Nevada, Greenhorn Range. Marshy meadow just east of Rankin Flat, Lynns Valley 914 Comment
  CAS-BOT-BC284594  Hordeum brachyantherum subsp. brachyantherum Ernest C. Twisselmann 1965-10-1 11642 Kern Sierra Nevada, Greenhorn Range. Lumreau Creek, just above Cedar Creek 807 Comment
  CAS-BOT-BC284708  Hordeum jubatum Ernest C. Twisselmann 1958-5-27 4493 Kern Tehachapi-Kernville Region. Settlement of Weldon 808 Comment
  CAS-BOT-BC284815  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1965-3-17 10439 Kern San Joaquin Valley, Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC284816  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1957-3-27 3283 Kern Eastern San Joaquin Valley. Rockpile Road, 2 miles north of DiGiorgio School 274 Comment
  CAS-BOT-BC284817  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1957-3-27 3283 Kern Eastern San Joaquin Valley. Rockpile Road, 2 miles north of DiGiorgio School 274 Comment
  CAS-BOT-BC284919  Hordeum murinum subsp. leporinum Ernest C. Twisselmann 1961-5-23 6196 Kern Tehachapi Mountains. Tejon Ranch: Camel Spring, Rising Canyon 1188 Comment
  CAS-BOT-BC284973  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1965-7-27 11258 Kern Tehachapi-Kernville Region. Squirrel Meadow, Breckenridge Mountain 2072 Comment
  CAS-BOT-BC284974  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1957-6-5 3658 Kern Tehachapi-Kernville Region. Indian Creek Canyon, east of Loraine 883 Comment
  CAS-BOT-BC284975  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1957-6-5 3658 Kern Tehachapi-Kernville Region. Indian Creek Canyon, east of Loraine 883 Comment
  CAS-BOT-BC284981  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1965-5-27 10874 Kern Sierra Nevada, Greenhorn Range. Just east of Rankin Flat, Lynns Valley 914 Comment
  CAS-BOT-BC285023  Hordeum depressum Ernest C. Twisselmann 1965-3-17 10459 Kern San Joaquin Valley, Kern National Wildlife Refuge 68 Comment
  CAS-BOT-BC285024  Hordeum depressum Ernest C. Twisselmann 1965-3-17 10456 Kern San Joaquin Valley, Kern National Wildlife Refuge 68 Comment
  CAS-BOT-BC285030  Hordeum depressum Ernest C. Twisselmann 1962-4-9 6887 Kern Temblor Range and the Western San Joaquin Valley. Lerdo Road, canal bank 3 miles east of Spicer City Gin 91 Comment
  CAS-BOT-BC285950  Conyza bonariensis Ernest C. Twisselmann 1959-8-7 5575 Kern Eastern San Joaquin Valley. Airport Road 2.5 miles east of Delano 121 Comment
  CAS-BOT-BC28617  Achillea millefolium Ernest C. Twisselmann 1964-9-16 10189 Kern French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC28620  Achillea millefolium Ernest C. Twisselmann 1965-7-27 11249 Kern Meadow at Breckenridge Public Camp. 2065 Comment
  CAS-BOT-BC286790  Ericameria cuneata var. spathulata Ernest C. Twisselmann 1954-10-14 1621 Kern Temblor Range and the Western San Joaquin Valley. Messa Ridge: 4 miles west of Carneros Rocks 914 Comment
  CAS-BOT-BC287008  Coreopsis calliopsidea Ernest C. Twisselmann 1962-4-9 6869 Kern San Joaquin Valley. Tejon Hills, about 4 miles NW of the old Tejon Ranch Headquarters 388 Comment
  CAS-BOT-BC287614  Ericameria linearifolia Ernest C. Twisselmann 1963-5-11 8188 Kern Tehachapi - Kernville Region. Horse Canyon, Scodie (Kiavah) Mt 1371 Comment
  CAS-BOT-BC287692  Coreopsis bigelovii Ernest C. Twisselmann 1954-3-26 919 Kern Temblor Range and the Western San Joaquin Valley. Annette Rd: 0.5 mile W of US 466, Antelope Valley, W part of county 411 Comment
  CAS-BOT-BC287711  Coreopsis bigelovii Ernest C. Twisselmann 1959-4-1 4995 Kern Tehachapi - Kernville Region. Breckenridge Mt Rd, 12.6 miles S of Kern River Canyon Highway 838 Comment
  CAS-BOT-BC289568  Hordeum marinum subsp. gussoneanum Ernest C. Twisselmann 1957-6-5 3657 Kern Indian Creek Canyon, east of Loraine, Tehachapi-Kernville Region 883 Comment
  CAS-BOT-BC289570  Hordeum marinum subsp. gussoneanum Ernest C. Twisselmann 1962-6-1 7264 Kern Northwest end of Cummings Valley, Tehachapi-Kernville Region 1127 Comment
  CAS-BOT-BC291068  Eastwoodia elegans Ernest C. Twisselmann 1963-4-18 8078 Kern San Emigdio Range and the Mt. Pinos Region. Wheeler Ridge 487 Comment
  CAS-BOT-BC291288  Hordeum brachyantherum subsp. brachyantherum Ernest C. Twisselmann 1965-7-27 11258 Kern Tehachapi-Kernville Region. Squirrel Meadow, Breckenridge Mountain 2072 Comment
  CAS-BOT-BC291993  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-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-BC292174  Dicoria canescens Ernest C. Twisselmann 1969-5-21 15392 Kern Mojave Desert, Red Rock Canyon. East fork of Red Rock Canyon 777 Comment
  CAS-BOT-BC292175  Dicoria canescens Ernest C. Twisselmann 1969-5-21 15392 Kern Mojave Desert, Red Rock Canyon. East fork of Red Rock Canyon 777 Comment
  CAS-BOT-BC294387  Ericameria paniculata Ernest C. Twisselmann 1961-10-30 6659 Kern Tehachapi-Kernville Region. Pine Tree Canyon, southern Sierra Nevada 839 Comment
  CAS-BOT-BC294432  Ericameria parryi var. aspera Ernest C. Twisselmann 1964-9-16 10196 Kern Tehachapi-Kernville Region. Flat below Claraville, Piute Mountains 1981 Comment
  CAS-BOT-BC295638  Agnorhiza ovata Ernest C. Twisselmann 1958-8-19 4694 Kern Tehachapi-Kernville Region. Breckenridge Mountain: Squirrel Meadow 2072 Comment
  CAS-BOT-BC295641  Agnorhiza ovata Ernest C. Twisselmann 1963-7-9 8596 Kern Sierra Nevada, Greenhorn Range. Slope on the southwest side of Black Mountain Saddle 1813 Comment
  CAS-BOT-BC29698  Bolboschoenus maritimus Ernest C. Twisselmann 1969-5-21 15350 Kern Freeway Bridge 762 Comment
  CAS-BOT-BC297873  Eriophyllum confertiflorum Ernest C. Twisselmann 1958-5-27 4518 Kern E slope of Morris Peak 1828 Comment
  CAS-BOT-BC297881  Eriophyllum confertiflorum Ernest C. Twisselmann 1966-6-9 12366 Kern Tehachapi - Kernville Region. High ridge S of Pine Tree Canyon 1706 Comment
  CAS-BOT-BC298022  Ericameria nauseosa var. mohavensis Ernest C. Twisselmann 1966-9-8 12781 Kern San Emigdio Range and the Mt Pinos Region. Cuddy Valley 1645 Comment
  CAS-BOT-BC298031  Ericameria nauseosa var. mohavensis Ernest C. Twisselmann 1969-10-16 16305 Kern Mojave Desert. Red Rock Canyon. Main W fork of the canyon, below Ricardo 792 Comment
  CAS-BOT-BC298375  Eriophyllum ambiguum var. ambiguum Ernest C. Twisselmann 1961-5-23 6145 Kern Tehachapi Mts. Tejon Ranch: Rising Canyon 1097 Comment
  CAS-BOT-BC298376  Eriophyllum ambiguum var. ambiguum Ernest C. Twisselmann 1961-5-23 6145 Kern Tehachapi Mts. Tejon Ranch: Rising Canyon 1097 Comment
  CAS-BOT-BC298377  Eriophyllum ambiguum var. ambiguum Ernest C. Twisselmann 1961-5-24 6252 Kern Tehachapi Mts. Tejon Ranch: near the summit of Giegis Ridge 1767 Comment
  CAS-BOT-BC298439  Eriophyllum ambiguum var. paleaceum Ernest C. Twisselmann 1965-6-3 10908 Kern Head of Spanish Needle Creek 1417 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-BC298873  Ericameria nauseosa var. bernardina Ernest C. Twisselmann 1955-8-10 2304 Kern San Emigdio Range. Summit of Mt Abel 2533 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-BC299498  Ericameria palmeri var. pachylepis Ernest C. Twisselmann 1963-6-3 8346 Kern Salt Creek Canyon, San Emigdio Range, San Emidio Range and the Mt. Pinos Region 1028 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-BC301869  Eriophyllum pringlei Ernest C. Twisselmann 1964-6-10 9555 Kern San Emigdio Range and the Mt. Pinos Region. Tecuya Ridge 1950 Comment
  CAS-BOT-BC302055  Eriophyllum wallacei Ernest C. Twisselmann 1963-5-11 8196 Kern Mojave Desert, Mojave-Randsburg Region. Indian Wells Valley, 1.1 mile east of Robber's Roost 1097 Comment
  CAS-BOT-BC302056  Eriophyllum wallacei Ernest C. Twisselmann 1963-5-11 8196 Kern Mojave Desert, Mojave-Randsburg Region. Indian Wells Valley, 1.1 mile east of Robber's Roost 1097 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-BC302064  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-BC302402  Hazardia stenolepis Ernest C. Twisselmann 1965-10-5 11680 Kern Temblor Range and the Western San Joaquin Valley. Don's Canyon, a fork of upper Cedar Canyon 548 Comment
  CAS-BOT-BC302559  Gnaphalium palustre Ernest C. Twisselmann 1964-9-29 10250 Kern San Joaquin Valley, Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC302560  Gnaphalium palustre Ernest C. Twisselmann 1964-9-29 10250 Kern San Joaquin Valley, Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC304601  Gutierrezia californica Ernest C. Twisselmann 1953-9-23 779 Kern Temblor Range and the Western San Joaquin Valley. McGovern Grade Summit: 1/2 mile east of Annette Comment
  CAS-BOT-BC304608  Gutierrezia californica Ernest C. Twisselmann 1957-11-10 4132 Kern Temblor Range and the Western San Joaquin Valley. McGovern Grade, 1.1 mile east of Annette 624 Comment
  CAS-BOT-BC304614  Gutierrezia californica Ernest C. Twisselmann 1957-11-7 4121 A Kern Temblor Range and the Western San Joaquin Valley. North end of Chico Martinez Hills 274 Comment
  CAS-BOT-BC305392  Helianthus annuus Ernest C. Twisselmann 1964-9-29 10266 Kern San Joaquin Valley, Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC307323  Hazardia squarrosa var. obtusa Ernest C. Twisselmann 1962-11-14 8000 Kern Grapevine Canyon, San Emigdio Range and the Mt. Pinos Region 670 Comment
  CAS-BOT-BC30819  Ambrosia dumosa Ernest C. Twisselmann 1969-5-21 15334 Kern Ridge east of the Freeway bridge. 777 Comment
  CAS-BOT-BC308301  Eriophyllum lanatum var. obovatum Ernest C. Twisselmann 1957-6-21 3690 Kern Shirley Meadows Road, just south of Greenhorn Pass, Greenhorn Range, Sierra Nevada 2042 Comment
  CAS-BOT-BC310082  Hemizonella minima Ernest C. Twisselmann 1971-7-15 17887 Kern Sierra Nevada, Kern Plateau. North fork of the head of Bartolas Creek 2011 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-BC311232  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1966-8-26 12749 Kern Sierra Nevada, Greenhorn Range. Slope northwest of the Rock Corral 899 Comment
  CAS-BOT-BC311572  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-BC312889  Hypochaeris glabra Ernest C. Twisselmann 1956-4-14 2639 Kern Temblor Range and the Western San Joaquin Valley. Carneros Rocks 502 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-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-BC314663  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-BC314664  Grindelia hirsutula Ernest C. Twisselmann 1958-9-3 4783 Kern Kern River at Enos Road, San Joaquin Valley 106 Comment
  CAS-BOT-BC314665  Grindelia hirsutula Ernest C. Twisselmann 1962-11-14 7976 Kern Kern River at Enos Road, San Joaquin Valley 114 Comment
  CAS-BOT-BC318703  Hieracium horridum Ernest C. Twisselmann 1957-7-23 3856 Kern Trail to Sunday Peak, Greenhorn Range, Sierra Nevada 2270 Comment
  CAS-BOT-BC318704  Hieracium horridum Ernest C. Twisselmann 1966-6-25 12442 Kern BArtolas Creek near its summit, Kern Plateau, Sierra Nevada 2087 Comment
  CAS-BOT-BC320133  Holocarpha heermannii Ernest C. Twisselmann 1965-6-24 11089 Kern Tehachapi Mountains. Ridge above Grasshopper Flat, Tejon Ranch 800 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-BC321155  Layia glandulosa Ernest C. Twisselmann 1966-5-20 12254 Kern Tehachapi-Kernville Region. Ridge at the ehad of Tweedy Creek (mountains E of Keene) 1615 Comment
  CAS-BOT-BC322781  Microseris sylvatica Ernest C. Twisselmann 1957-6-5 3623 Kern Claraville Road, 1.8 miles southeast of the Havilah-Bodfish Road, Piute Mountains, Tehachapi-Kernville Region 1341 Comment
  CAS-BOT-BC322833  Stephanomeria pauciflora Ernest C. Twisselmann 1965-7-29 11393 Kern Antelope Plains, Bitterwater Road 1.5 mile west of Highway 46, Temblor Range and the Western San Joaquin Valley 289 Comment
  CAS-BOT-BC322834  Stephanomeria pauciflora Ernest C. Twisselmann 1967-9-19 13729 Kern Horse Canyon, Scodie Mountain, Tehachapi-Kernville Region 1828 Comment
  CAS-BOT-BC323012  Stylocline masonii Ernest C. Twisselmann 1971-4-26 17572 Kern Cyrus Canyon, Sierra Nevada 1188 Comment
  CAS-BOT-BC324499  Madia radiata Ernest C. Twisselmann 1969-4-20 15146 Kern Microwave fork of Cedar Canyon, Temblor Range and the Western San Joaquin Valley 701 Comment
  CAS-BOT-BC324501  Madia radiata Ernest C. Twisselmann 1954-5-13 1233 Kern Summit of McLean Canyon, Las Yeguas Ranch, Temblor Range and the Western San Joaquin Valley 822 Comment
  CAS-BOT-BC324771  Iva axillaris Ernest C. Twisselmann 1954-7-31 1482 Kern Summit of Las Yeques Hills, Las Yeguas Racnh, Temblor Mountains, Temblor Range and the Western San Joaquin Valley 822 Comment
  CAS-BOT-BC325877  Holocarpha heermannii Ernest C. Twisselmann 1969-11-26 16340 Kern Slope above the Joughin Ranch south of Lake Isabella, Tehachapi-Kernville region 822 Comment
  CAS-BOT-BC326873  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-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-BC327678  Layia pentachaeta Ernest C. Twisselmann 1960-4-2 5944 Kern Kern Canyon, 0.75 mi E of the canyon mouth. 289 Comment
  CAS-BOT-BC328961  Tetradymia axillaris var. longispina Ernest C. Twisselmann 1965-6-3 10903 Kern Mesa at the mouth of Spanish Needle Creek 1234 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-BC329042  Tetradymia canescens Ernest C. Twisselmann 1962-7-19 7440 Kern Harris Grade, 2 miles east of Lander's Meadow, Paiute Mountains 1950 Comment
  CAS-BOT-BC329209  Lasthenia ferrisiae Ernest C. Twisselmann 1969-4-5 15078 Kern Plants of Temblor Range and Western San Joaquin Valley, Paine Preserve, 2.1 mi N of Hwy 46 on the Corcoran Hwy. 91 Comment
  CAS-BOT-BC329429  Lepidospartum squamatum Ernest C. Twisselmann 1959-8-7 5581 Kern Eastern San Joaquin Valley. McFarland district: Poso Creek at Whistler Road 100 Comment
  CAS-BOT-BC329433  Lepidospartum squamatum Ernest C. Twisselmann 1958-11-1 4927 Kern Mohave-Randsburg Region. Red Rock Canyon flood plain, above Koehn Lake. 662 Comment
  CAS-BOT-BC329435  Lepidospartum squamatum Ernest C. Twisselmann 1967-9-19 13738 Kern Mohave-Randsburg Region. Horse Canyon Well on the W side of Indian Wells Valley. 1143 Comment
  CAS-BOT-BC329436  Lepidospartum squamatum Ernest C. Twisselmann 1969-10-16 16310 Kern Mojave Desert. Red Rock Canyon. Ricardo. 777 Comment
  CAS-BOT-BC329437  Lepidospartum squamatum Ernest C. Twisselmann 1969-10-16 16310 Kern Mojave Desert. Red Rock Canyon. Ricardo. 777 Comment
  CAS-BOT-BC333126  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1951-1-1 566 Kern Lower Cedar Canyon 1 mile from Bitterwater Road, Temblor Range and the Western San Joaquin Valley 457 Comment
  CAS-BOT-BC333158  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1963-8-30 8944 Kern Rancheria Creek at the east end of Walker Basin, Tehachapi-Kernville Region 1158 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-BC339555  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-BC339557  Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1962-7-19 7474 Kern Tehachapi-Kernville Region. Lander's Meadow, Piute Mountains 1973 Comment
  CAS-BOT-BC341066  Scutellaria mexicana Ernest C. Twisselmann 1963-7-18 9023 Kern Mojave Desert, Mojave-Randsburg Region. Freeman Canyon 1036 Comment
  CAS-BOT-BC341067  Scutellaria mexicana Ernest C. Twisselmann 1963-7-18 9023 Kern Mojave Desert, Mojave-Randsburg Region. Freeman Canyon 1036 Comment
  CAS-BOT-BC341072  Scutellaria mexicana Ernest C. Twisselmann 1961-10-30 6662 Kern Tehachapi-Kernville Region. Pine Tree Canyon, southern Sierra Nevada 845 Comment
  CAS-BOT-BC345490  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-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-BC346386  Psorothamnus arborescens Ernest C. Twisselmann 1957-4-10 3338 Kern Mohave-Randsburg region, El Paso Mountains, Last Chance Canyon 725 Comment
  CAS-BOT-BC346387  Psorothamnus arborescens Ernest C. Twisselmann 1969-5-21 15377 Kern Red Rock Canyon, slope at the head of Tarweed Creek 792 Comment
  CAS-BOT-BC347812  Malacothrix saxatilis var. commutata Ernest C. Twisselmann 1957-8-13 3997 Kern Tehachapi-Kernville Region. Tehachapi Mountains; Hills at the southeastern end of Cummings Valley 1348 Comment
  CAS-BOT-BC347903  Malacothrix saxatilis var. tenuifolia Ernest C. Twisselmann 1965-7-27 11267 Kern Tehachapi-Kernville Region. East slope of Breckenridge Mountain 1615 Comment
  CAS-BOT-BC347904  Malacothrix saxatilis var. tenuifolia Ernest C. Twisselmann 1963-8-8 8866 Kern Tehachapi Mountains. North side of Cottonwood Canyon, Mojave drainage 1508 Comment
  CAS-BOT-BC347999  Malacothrix sonchoides Ernest C. Twisselmann 1964-5-7 9385 Kern Mojave Desert, Mojave-Randsburg Region. South shore of Rogers Lake, Edwards Air Force Base 609 Comment
  CAS-BOT-BC349441  Monolopia lanceolata Ernest C. Twisselmann 1965-4-26 10614 Kern Sierra Nevada, Greenhorn Range. Adobe Knoll at the head of Adobe Canyon 502 Comment
  CAS-BOT-BC349450  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-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-BC34987  Carex densa Ernest C. Twisselmann 1963-6-27 8537 Kern Sierra Nevada. The Greenhorn Range. Pettitt Meadow. 1447 Comment
  CAS-BOT-BC354261  Psorothamnus arborescens var. minutifolius Ernest C. Twisselmann 1966-4-26 12022 Kern Mojave-Randsburg Region, NW flank of Government Peak, Rand Mts. 1280 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-BC362449  Rafinesquia californica Ernest C. Twisselmann 1965-6-3 10904 Kern Head of Spanish Needle Creek 1417 Comment
  CAS-BOT-BC362451  Rafinesquia californica Ernest C. Twisselmann 1960-4-2 5961 Kern Tehachapi-Kernville Region. Kern Canyon: 0.25 mile east of the canyon mouth 292 Comment
  CAS-BOT-BC362612  Rafinesquia neomexicana Ernest C. Twisselmann 1962-4-10 6791 Kern Mojave Desert, Mojave-Randsburg Region. El Paso Range: mouth of Iron Canyon 701 Comment
  CAS-BOT-BC36310  Chrysolepis sempervirens Ernest C. Twisselmann 1958-8-13 4640 Kern North slope of Sunday Peak 2499 Comment
  CAS-BOT-BC36315  Chrysolepis sempervirens Ernest C. Twisselmann 1955-10-21 2481 Kern Piute Mountains: Bodfish-Claraville Road, 3 miles east of Saddle Springs 2441 Comment
  CAS-BOT-BC36316  Chrysolepis sempervirens Ernest C. Twisselmann 1963-7-10 8648 Kern Rim of the Kern Plateau southwest of Pine Flat 2255 Comment
  CAS-BOT-BC364989  Solidago velutina subsp. californica Ernest C. Twisselmann 1966-9-8 12769 Kern San Emigdio Range and the Mt. Pinos Region. Canyon southwest of the Y Camp in upper San Emigdio Canyon 1767 Comment
  CAS-BOT-BC364990  Solidago velutina subsp. californica Ernest C. Twisselmann 1966-9-8 12769 Kern San Emigdio Range and the Mt. Pinos Region. Canyon southwest of the Y Camp in upper San Emigdio Canyon 1767 Comment
  CAS-BOT-BC365000  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-BC366129  Lasthenia minor Ernest C. Twisselmann 1954-3-3 849 Kern Flowering Plants of the Temblor Range and the Western San Joaquin Valley. 8 miles north of Lost Hills 137 Comment
  CAS-BOT-BC366152  Lasthenia minor Ernest C. Twisselmann 1954-3-3 849 Kern Plants of the Temblor Range and the Western San Joaquin Valley: Lost Hills area, Eight miles north of Lost Hills 137 Comment
  CAS-BOT-BC366175  Lasthenia minor Ernest C. Twisselmann 1958-3-26 4209 Kern Eastern San Joaquin Valley: Seventh Standard Road at Jerry Slough 88 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-BC370678  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1956-3-21 2570 Kern Bena Siding, Tehachapi Canyon flood plain. 267 Comment
  CAS-BOT-BC370683  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1965-4-14 10504 Kern Breckenridge Mountain Road on the east side of Cottonwood Creek. 205 Comment
  CAS-BOT-BC370697  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1962-4-9 6888 Kern Lerdo road, canal bank 3 miles east of Spicer City Gin 91 Comment
  CAS-BOT-BC370862  Lasthenia minor Ernest C. Twisselmann 1954-3-13 884 Kern 9 miles north of Lost Hills 74 Comment
  CAS-BOT-BC372344  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1963-4-12 8057 Kern San Joaquin Valley, east side of Kern County: Caliente Canyon flood plain at Bena 228 Comment
  CAS-BOT-BC372345  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1963-4-12 8057 Kern San Joaquin Valley, east side of Kern County: Caliente Canyon flood plain at Bena 228 Comment
  CAS-BOT-BC37443  Cardamine californica Ernest C. Twisselmann 1962-4-18 6964 Kern Tehachapi Mountains. Tejon Ranch. Upper forks of Palos Altos Canyon. 1310 Comment
  CAS-BOT-BC37444  Cardamine californica Ernest C. Twisselmann 1963-5-17 8264 Kern Sierra Nevada. The Greenhorn Range. Poso Creek Canyon, 2.25 miles above Poso Mine. 838 Comment
  CAS-BOT-BC375289  Stephanomeria exigua subsp. carotifera Ernest C. Twisselmann 1953-11-11 823 Kern Temblor Range and the Western San Joaquin Valley. Santos Canyon, 10 miles south of Blackwell's Corner 335 Comment
  CAS-BOT-BC375335  Stephanomeria exigua subsp. coronaria Ernest C. Twisselmann 1959-8-7 5579 Kern Eastern San Joaquin Valley. McFarland district: Poso Creek at Whistler Road 100 Comment
  CAS-BOT-BC375336  Stephanomeria exigua subsp. coronaria Ernest C. Twisselmann 1958-8-19 4719 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road, 5.5 miles west of Barrel Spring 1630 Comment
  CAS-BOT-BC375337  Stephanomeria exigua subsp. coronaria Ernest C. Twisselmann 1956-7-17 3089 Kern Tehachapi-Kernville Region. Butterbread Spring Road, 0.25 mile east of Kelso Valley Summit 1463 Comment
  CAS-BOT-BC375470  Stephanomeria exigua subsp. exigua Ernest C. Twisselmann 1956-7-17 3089 Kern Tehachapi-Kernville Region. Butterbread Spring Road, 0.25 mile east of Kelso Valley Summit 1463 Comment
  CAS-BOT-BC375671  Stephanomeria parryi Ernest C. Twisselmann 1958-5-6 4398 Kern Mohave-Randsburg Region. Indian Wells Valley: 2.1 miles west of Inyokern 899 Comment
  CAS-BOT-BC38183  Caulanthus anceps Ernest C. Twisselmann 1965-6-18 11025 Kern San Emigdio Range and the Mount Pinos Region. Pleito Ridge. 1127 Comment
  CAS-BOT-BC38184  Caulanthus anceps Ernest C. Twisselmann 1965-6-18 11025 Kern San Emigdio Range and the Mount Pinos Region. Pleito Ridge. 1127 Comment
  CAS-BOT-BC383695  Xanthium strumarium Ernest C. Twisselmann 1972-9-22 19273 Kern Bed of Lake Isabella ca. 1 mile south of the Kernville airport 762 Comment
  CAS-BOT-BC383970  Abronia turbinata Ernest C. Twisselmann 1962-6-1 7277 Kern Tehachapi Mountains. Sand Canyon, northeast of Monolith 1211 Comment
  CAS-BOT-BC38398  Caulanthus coulteri Ernest C. Twisselmann 1970-5-23 16605 Kern Sierra Nevada. Greenhorn Range. High ridge north of the head of Lumreau Creek (Old Bull Road). 1402 Comment
  CAS-BOT-BC38406  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-BC384062  Mirabilis laevis var. villosa Ernest C. Twisselmann 1963-6-4 8377 Kern Temblor Range and the Western San Joaquin Valley. Ross Ridge 792 Comment
  CAS-BOT-BC38412  Caulanthus coulteri Ernest C. Twisselmann 1963-4-18 8094 Kern San Emigdio Range and the Mount Pinos Region. San Emigdio Canyon. 598 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-BC38458  Caulanthus coulteri Ernest C. Twisselmann 1963-4-18 8094 Kern San Emigdio Range and the Mount Pinos Region. San Emigdio Canyon. 598 Comment
  CAS-BOT-BC38459  Caulanthus coulteri Ernest C. Twisselmann 1965-4-14 10508 Kern Tehachapi-Kernville Region. West slope of Breckenridge Mountain. 487 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-BC390082  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-BC391129  Stellaria longipes subsp. longipes Ernest C. Twisselmann 1966-6-25 12460 Kern Sierra Nevada, Kern Plateau. Bartolas Creek, near its summit 2118 Comment
  CAS-BOT-BC400293  Anemopsis californica Ernest C. Twisselmann 1966-5-12 12199 Kern Kern Hot Springs 807 Comment
  CAS-BOT-BC400294  Anemopsis californica Ernest C. Twisselmann 1966-5-12 12199 Kern Kern Hot Springs 807 Comment
  CAS-BOT-BC401383  Hypericum scouleri Ernest C. Twisselmann 1962-7-19 7476 Kern Tehachapi-Kernville Region. French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC401384  Hypericum scouleri Ernest C. Twisselmann 1962-7-19 7476 Kern Tehachapi-Kernville Region. French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC401385  Hypericum scouleri Ernest C. Twisselmann 1963-8-8 8837 Kern Tehachapi Mountains. Cienegas near the head of Tejon Creek 1615 Comment
  CAS-BOT-BC40193  Caulanthus lasiophyllus Ernest C. Twisselmann 1962-4-10 6865 Kern The Mojave-Randsburg Region. Mojave Desert. Plain northeast of Soledad Mountains. 762 Comment
  CAS-BOT-BC40197  Caulanthus lasiophyllus Ernest C. Twisselmann 1965-5-5 10658 Kern The Mojave-Randsburg Region. Mojave Desert. Northwest end of Buckhorn Lake, Edwards Air Force Base. 746 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-BC403826  Hesperocnide tenella Ernest C. Twisselmann 1963-5-11 8217 Kern Tehachapi Mountains. Hart Flat 762 Comment
  CAS-BOT-BC40413  Caulanthus inflatus Ernest C. Twisselmann 1954-4-2 974 Kern Temblor Range. Chico Martinez Flood Plain, 2 miles northeast of South Belridge. 228 Comment
  CAS-BOT-BC40414  Caulanthus inflatus Ernest C. Twisselmann 1954-4-2 974 Kern Temblor Range. Chico Martinez Flood Plain, 2 miles northeast of South Belridge. 228 Comment
  CAS-BOT-BC40645  Erysimum capitatum Ernest C. Twisselmann 1958-5-27 4516 Kern Sierra Nevada. East slope of Morris Peak. 1798 Comment
  CAS-BOT-BC40651  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-BC40652  Erysimum capitatum Ernest C. Twisselmann 1963-4-18 8089 Kern San Emigdio Range and the Mount Pinos Region. Pleito Hills. 563 Comment
  CAS-BOT-BC40663  Erysimum capitatum Ernest C. Twisselmann 1968-5-22 14221 Kern Mojave Desert. Mojave-Randsburg Region. Southeast end of Buckhorn Dry Lake. 746 Comment
  CAS-BOT-BC409888  Enemion occidentale Ernest C. Twisselmann 1962-4-18 6965 Kern Tejon Ranch, upper forks of Palos Altos Canyon 1310 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-BC412670  Hollisteria lanata Ernest C. Twisselmann 1962-4-19 7009 Kern San Joaquin Valley, the Kern County East Side. Poso Hills: ridge on the west side of the mouth of Adobe Canyon 304 Comment
  CAS-BOT-BC414475  Polygonum douglasii Ernest C. Twisselmann 1965-7-27 11257 Kern Tehachapi-Kernville Region. Squirrel Meadow, Breckenridge Mountain 2072 Comment
  CAS-BOT-BC414476  Polygonum douglasii Ernest C. Twisselmann 1965-7-27 11257 Kern Tehachapi-Kernville Region. Squirrel Meadow, Breckenridge Mountain 2072 Comment
  CAS-BOT-BC414477  Polygonum douglasii Ernest C. Twisselmann 1958-8-19 4697 Kern Tehachapi-Kernville Region. Breckenridge Mountain: Squirrel Meadow 2072 Comment
  CAS-BOT-BC418978  Persicaria lapathifolia Ernest C. Twisselmann 1954-9-26 1601 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough: 1 1/2 miles north of Tupman 94 Comment
  CAS-BOT-BC419602  Eschscholzia parishii Ernest C. Twisselmann 1965-5-6 10740 Kern Mojave Desert, Mojave-Randsburg Region. Mesquite Canyon, El Paso Range 731 Comment
  CAS-BOT-BC419967  Polygonum polygaloides subsp. kelloggii Ernest C. Twisselmann 1965-7-27 11186 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road at the south fork of upper Lucas Creek. 1874 Comment
  CAS-BOT-BC421157  Pterostegia drymarioides Ernest C. Twisselmann 1965-4-21 10589 Kern Tehachapi Mountains. Tejon Canyon. 762 Comment
  CAS-BOT-BC421167  Pterostegia drymarioides Ernest C. Twisselmann 1964-5-15 9445 Kern Sierra Nevada, Greenhorn Range. North flank of Blue Mountain 1280 Comment
  CAS-BOT-BC42191  Arctostaphylos patula subsp. patula Ernest C. Twisselmann 1956-9-20 3182 Kern Piute Peak Road, 1 mile west of Fench Meadow Ranger Station 2286 Comment
  CAS-BOT-BC42192  Arctostaphylos patula subsp. patula Ernest C. Twisselmann 1966-6-9 12371 Kern North end of Sweetwater Ridge (southeast of Cache Peak). Sweet Ridge on Mohave quad. 1584 Comment
  CAS-BOT-BC424456  Heuchera rubescens Ernest C. Twisselmann 1962-7-19 3977 Kern Lookout Point, Piute Mountains; Tehachapi-Kernville Region 2514 Comment
  CAS-BOT-BC424457  Heuchera rubescens Ernest C. Twisselmann 1963-8-30 8910 Kern Crest of Piute Mountain, 4.9 miles south of Saddle Spring; Tehachapi-Kernville Region 2468 Comment
  CAS-BOT-BC427440  Oligomeris linifolia Ernest C. Twisselmann 1966-4-12 11889 Kern Mojave Desert, Mojave-Randsburg Region. Mesquite Springs (just east of the mouth of Mesquite Canyon) 685 Comment
  CAS-BOT-BC427720  Crassula connata Ernest C. Twisselmann 1954-3-13 882 Kern Temblor Range and the Western San Joaquin Valley. Alkali Sink, 9 miles north of Lost Hills 74 Comment
  CAS-BOT-BC43147  Descurainia pinnata subsp. brachycarpa Ernest C. Twisselmann 1954-4-2 976 Kern Temblor Range and the Western San Joaquin Valley. Chico Martinez Wash. 2 miles northeast of South Belridge Oil Field. 198 Comment
  CAS-BOT-BC434365  Rumex violascens Ernest C. Twisselmann 1964-9-29 10284 Kern San Joaquin Valley, Kern National Wildlife Refuge. Pond near the Refuge Headquarters. 76 Comment
  CAS-BOT-BC43474  Descurainia sophia Ernest C. Twisselmann 1964-5-7 9361 Kern Mojave Desert. Mojave-Randsburg Region. Cottonwood grove at the north end of Rosamond Lake, Edwards Air Force Base. 601 Comment
  CAS-BOT-BC434790  Mirabilis laevis var. retrorsa Ernest C. Twisselmann 1966-4-26 12004 Kern Mojave Desert, Mojave-Randsburg Region. South slope of Galileo Hill (south of the west end of the Rand Mountains). 1021 Comment
  CAS-BOT-BC434803  Mirabilis laevis var. retrorsa Ernest C. Twisselmann 1966-4-26 12004 Kern Mojave Desert, Mojave-Randsburg Region. South slope of Galileo Hill (south of the west end of the Rand Mountains). 1021 Comment
  CAS-BOT-BC437182  Lithophragma parviflorum var. parviflorum Ernest C. Twisselmann 1965-4-21 10555 Kern Tejon Canyon 838 Comment
  CAS-BOT-BC438713  Cistanthe monandra Ernest C. Twisselmann 1963-5-11 8179 Kern Tehachapi-Kernville Region. Horse Canyon, Scodie (Kiavah) Mountain. 1615 Comment
  CAS-BOT-BC438715  Cistanthe monandra Ernest C. Twisselmann 1964-5-6 9321 Kern Tehachapi-Kernville Region. Head of Alphie Spring fork of Jawbone Canyon. 1219 Comment
  CAS-BOT-BC438716  Cistanthe monandra Ernest C. Twisselmann 1964-5-6 9321 Kern Tehachapi-Kernville Region. Head of Alphie Spring fork of Jawbone Canyon. 1219 Comment
  CAS-BOT-BC438740  Cistanthe monandra Ernest C. Twisselmann 1954-5-1 1144 Kern Temblor Range and the Western San Joaquin Valley. Joe Messa Ridge, 3 miles west of Carneros Rocks 853 Comment
  CAS-BOT-BC439898  Claytonia perfoliata subsp. intermontana Ernest C. Twisselmann 1963-6-3 8333 Kern San Emigdio Range and the Mt. Pinos Region. Black Bob Canyon just above the mouth of Bradley Canyon 1356 Comment
  CAS-BOT-BC444678  Montia chamissoi Ernest C. Twisselmann 1966-6-25 12463 Kern Sierra Nevada, Kern Plateau. Bartolas Creek, near its summit 2118 Comment
  CAS-BOT-BC444684  Montia chamissoi Ernest C. Twisselmann 1966-7-13 12595 Kern San Emigdio Range and the Mt. Pinos Region. Cienega at the head of Bitter Creek 2590 Comment
  CAS-BOT-BC44560  Arctostaphylos viscida subsp. mariposa Ernest C. Twisselmann 1959-6-18 5357 Kern Piute Mountains: Erksine Creek 1112 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-BC451546  Elodea canadensis Ernest C. Twisselmann 1961-10-5 6609 Kern Eastern San Joaquin Valley. Kern River below Lake Ming. 190 Comment
  CAS-BOT-BC451547  Elodea canadensis Ernest C. Twisselmann 1961-10-5 6609 Kern Eastern San Joaquin Valley. Kern River below Lake Ming. 190 Comment
  CAS-BOT-BC45299  Ancistrocarphus filagineus Ernest C. Twisselmann 1956-4-23 2722 Kern Rimrock at summit of Orchard Peak (Antelope Mountain) 950 Comment
  CAS-BOT-BC45885  Arctostaphylos nevadensis Ernest C. Twisselmann 1957-7-23 3861 Kern Trail to Sunday Peak 2301 Comment
  CAS-BOT-BC45886  Arctostaphylos nevadensis Ernest C. Twisselmann 1957-7-23 3861 Kern Trail to Sunday Peak 2301 Comment
  CAS-BOT-BC46757  Arctostaphylos parryana Ernest C. Twisselmann 1959-6-2 5308 Kern Tecuya Ridge. Shandon. 1950 Comment
  CAS-BOT-BC46762  Arctostaphylos parryana Ernest C. Twisselmann 1964-6-10 9557 Kern Tecuya Ridge. 1965 Comment
  CAS-BOT-BC46899  Arctostaphylos viscida subsp. mariposa Ernest C. Twisselmann 1956-5-17 2810 Kern Piute Mountain road, 3.1 miles east of Walker Basin road junction. Shandon, California. 1630 Comment
  CAS-BOT-BC46903  Arctostaphylos viscida subsp. mariposa Ernest C. Twisselmann 1959-6-18 5357 Kern Piute Mountains: Erskine Creek 1112 Comment
  CAS-BOT-BC46904  Arctostaphylos viscida subsp. mariposa Ernest C. Twisselmann 1962-6-22 7366 Kern Piute Mountain: Piute Peak road about 1 mile southeast of the Havilah-Bodfish road. 1371 Comment
  CAS-BOT-BC469433  Allium howellii var. howellii Ernest C. Twisselmann 1966-4-26 11983 Kern Divide between Tehachapi and Keene, Tehachapi Mountains 1234 Comment
  CAS-BOT-BC47979  Ailanthus altissima Ernest C. Twisselmann 1958-8-19 4686 Kern Tehachapi-Kernville Region - Walker Basin Road, just east of Havilah. 1005 Comment
  CAS-BOT-BC482152  Bloomeria crocea var. montana Ernest C. Twisselmann 1965-6-18 11021 Kern Pleito Ridge 1143 Comment
  CAS-BOT-BC48275  Arctostaphylos viscida subsp. viscida Ernest C. Twisselmann 1966-5-20 12281 Kern Tehachapi-Kernville Region - Tollgate Ridge (mountains east of Keene). 1859 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-BC51188  Ceanothus leucodermis Ernest C. Twisselmann 1957-4-30 3437 Kern French Gulch at Lake Isabella 792 Comment
  CAS-BOT-BC52484  Ceanothus vestitus Ernest C. Twisselmann 1955-6-7 2113 Kern Mt. Abel Road, 1/2 mile South of Ventura County Line 1530 Comment
  CAS-BOT-BC53459  Frangula californica subsp. tomentella Ernest C. Twisselmann 1965-6-18 11031 Kern Potrero in upper San Emigdio Canyon 762 Comment
  CAS-BOT-BC53460  Frangula californica subsp. tomentella Ernest C. Twisselmann 1965-6-18 11031 Kern Potrero in upper San Emigdio Canyon 762 Comment
  CAS-BOT-BC53686  Azolla filiculoides Ernest C. Twisselmann 1963-6-11 8431 Kern Tehachapi-Kernville Region - Erskine Creek, Piute Mountains 1188 Comment
  CAS-BOT-BC55338  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-BC57288  Equisetum laevigatum Ernest C. Twisselmann 1962-7-19 7484 Kern French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC57295  Equisetum laevigatum Ernest C. Twisselmann 1957-6-25 3771 Kern East fork of upper San Emigdio Creek 1554 Comment
  CAS-BOT-BC59544  Rhamnus crocea Ernest C. Twisselmann 1954-8-11 1496 Kern Temblor Range and the Western San Joaquin Valley - Messa Ridge: 3 miles west of Carneros Rocks 853 Comment
  CAS-BOT-BC59865  Rhamnus ilicifolia Ernest C. Twisselmann 1954-5-13 1227 Kern Summit of Black Canyon, Temblor Mountains. 975 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-BC60902  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-BC61055  Streptanthella longirostris Ernest C. Twisselmann 1958-4-17 4293 Kern Mohave-Randsburg Region. Mojave Road, 7.3 miles west of Boron. 762 Comment
  CAS-BOT-BC61056  Streptanthella longirostris Ernest C. Twisselmann 1958-4-17 4293 Kern Mohave-Randsburg Region. Mojave Road, 7.3 miles west of Boron. 762 Comment
  CAS-BOT-BC61341  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-BC61555  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-BC61556  Quercus lobata Ernest C. Twisselmann 1964-5-15 9437 Kern North side of the summit of Blue Mountain 1463 Comment
  CAS-BOT-BC62010  Selaginella bigelovii Ernest C. Twisselmann 1963-6-11 8396 Kern Kern Canyon, just above Richbar 441 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-BC62016  Selaginella bigelovii Ernest C. Twisselmann 1965-4-14 10512 Kern West slope of Breckenridge Mountain 624 Comment
  CAS-BOT-BC62602  Quercus chrysolepis Ernest C. Twisselmann 1958-8-19 4728 Kern Breckenridge Mountain Road, 6.5 miles west of Barrel Spring 1493 Comment
  CAS-BOT-BC62649  Quercus chrysolepis Ernest C. Twisselmann 1958-8-8 4594 Kern Tejon Ranch: Rising Canyon 1066 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-BC63689  Ceanothus integerrimus Ernest C. Twisselmann 1956-6-14 2954 Kern Mt. Pinos road near McGill Public Camp. Shandon. 1996 Comment
  CAS-BOT-BC64005  Anisocoma acaulis Ernest C. Twisselmann 1971-4-26 17630 Kern Cyrus Canyon 1188 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-BC67432  Tropidocarpum gracile Ernest C. Twisselmann 1965-3-17 10438 Kern San Joaquin Valley. Kern National Wildlife Refuge. Goose Lake Canal. 76 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-BC67995  Cystopteris fragilis Ernest C. Twisselmann 1963-6-27 8555 Kern Sierra Nevada, Greenhorn Range - North slope of Basket Peak 1478 Comment
  CAS-BOT-BC67996  Cystopteris fragilis Ernest C. Twisselmann 1963-6-27 8555 Kern Sierra Nevada, Greenhorn Range - North slope of Basket Peak 1478 Comment
  CAS-BOT-BC70881  Dryopteris arguta Ernest C. Twisselmann 1964-7-23 9778 Kern Ridge above Cedar Creek Public Camp 1470 Comment
  CAS-BOT-BC71316  Pellaea mucronata Ernest C. Twisselmann 1964-4-25 9244 Kern The Sheep Camp, ca. 4.5 miles east of Woody 975 Comment
  CAS-BOT-BC71635  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-BC71636  Pentagramma triangularis subsp. triangularis Ernest C. Twisselmann 1957-4-3 3311 Kern Rattlesnake Grade at Badger Creek 1036 Comment
  CAS-BOT-BC71649  Pentagramma triangularis subsp. triangularis Ernest C. Twisselmann 1963-6-11 8395 Kern Kern Canyon, 1 mile above the mouth 304 Comment
  CAS-BOT-BC71653  Pentagramma triangularis subsp. triangularis Ernest C. Twisselmann 1954-3-27 936 Kern Carneros Rocks 457 Comment
  CAS-BOT-BC71661  Pentagramma triangularis subsp. triangularis Ernest C. Twisselmann 1962-5-7 7046 Kern 1.5 miles east of Onyx on Highway 178 853 Comment
  CAS-BOT-BC71662  Pentagramma triangularis subsp. triangularis Ernest C. Twisselmann 1953-2-1 2 Kern Carneros Rocks Comment
  CAS-BOT-BC72887  Pinus ponderosa Ernest C. Twisselmann 1963-8-8 8830 Kern Tehachapi Mountains - Cienegas near the head of Tejon Creek. 1280 Comment
  CAS-BOT-BC73119  Pinus lambertiana Ernest C. Twisselmann 1966-5-20 12288 Kern Tehachapi-Kernville Region - Tollgate Ridge (mountains east of Keene). 1836 Comment
  CAS-BOT-BC73529  Abies concolor Ernest C. Twisselmann 1964-6-21 9634 Kern Tehachapi-Kernville Region - summit of the east flank of Bear Mountain 1981 Comment
  CAS-BOT-BC73694  Ulmus procera Ernest C. Twisselmann 1968-8-22 14904 Kern San Joaquin Valley - Tracy Ranch at Jerry Slough. 99 Comment
  CAS-BOT-BC73793  Peritoma arborea var. arborea Ernest C. Twisselmann 1966-6-9 12343 Kern Tehachapi Mountains - Bird Bath Spring in a fork of Pine Tree Canyon 1158 Comment
  CAS-BOT-BC73941  Turritis glabra Ernest C. Twisselmann 1964-6-21 9684 Kern Tehachapi Mountains. Bear Valley. 1295 Comment
  CAS-BOT-BC73942  Turritis glabra Ernest C. Twisselmann 1964-6-21 9684 Kern Tehachapi Mountains. Bear Valley. 1295 Comment
  CAS-BOT-BC74818  Rorippa palustris var. palustris Ernest C. Twisselmann 1953-3-27 237 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough, near the Highway U.S. 466 bridge. 91 Comment
  CAS-BOT-BC74821  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-BC75391  Sisymbrium orientale Ernest C. Twisselmann 1962-4-19 7005 Kern Temblor Range and the Western San Joaquin Valley. Highway U.S. 466, about 1 mile east of Jerry Slough. 60 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-BC76333  Eschscholzia hypecoides Ernest C. Twisselmann 1967-5-11 13022 Kern Temblor Range and the Western San Joaquin Valley. Cedar Canyon, 6 miles south of Bitterwater Road. 640 Comment
  CAS-BOT-BC76422  Eschscholzia lemmonii Ernest C. Twisselmann 1954-3-26 917 Kern Temblor Range and the Western San Joaquin Valley. Annette Road, 0.5 mile west of US 466, Antelope Valley. 396 Comment
  CAS-BOT-BC77520  Peritoma arborea var. arborea Ernest C. Twisselmann 1969-5-21 15419 Kern Mouth of Red Rock Canyon 731 Comment
  CAS-BOT-BC77820  Woodwardia fimbriata Ernest C. Twisselmann 1963-5-17 8266 Kern Poso Creek Canyon, 2.25 miles above Poso Mine 838 Comment
  CAS-BOT-BC78033  Abies concolor Ernest C. Twisselmann; Eben McMillan 1968-7-15 14510 Kern South end of Cannell Meadow 2194 Comment
  CAS-BOT-BC78737  Pinus lambertiana Ernest C. Twisselmann 1966-9-8 12762 Kern Southeast slope of Brush Mountain (below Camp Marion) 2011 Comment
  CAS-BOT-BC78741  Pinus lambertiana Ernest C. Twisselmann 1956-7-17 3033 Kern Bodfish Road, 9.9 miles north of Piute Peak 2042 Comment
  CAS-BOT-BC78850  Pinus monophylla Ernest C. Twisselmann 1966-6-9 12375 Kern High slope south of upper Pine Tree Canyon 1706 Comment
  CAS-BOT-BC78855  Pinus monophylla Ernest C. Twisselmann 1967-9-19 13708 Kern Summit of Scodie (Kiahvah) Mountain 1981 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-BC80037  Pinus sabiniana Ernest C. Twisselmann 1963-8-8 8831 Kern [Cienegas] Cienaga near the head of Tejon Creek 1280 Comment
  CAS-BOT-BC80403  Calocedrus decurrens Ernest C. Twisselmann 1963-6-3 8322 Kern Black Bob Canyon, just above the Bradley Canyon fork 1341 Comment
  CAS-BOT-BC80404  Calocedrus decurrens Ernest C. Twisselmann 1966-5-11 12183 Kern Ridge east of Bartolas Creek 2255 Comment
  CAS-BOT-BC80517  Cupressus arizonica Ernest C. Twisselmann 1955-10-21 2480 Kern Piute Mountains: Bodfish-Claraville forest road, near Eagle Peak 1460 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-BC80958  Juniperus californica Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-4-24 14082 Kern Cyrus Canyon, east of Kern Valley 1036 Comment
  CAS-BOT-BC80959  Juniperus californica Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-4-24 14078 Kern Bath House Canyon (Kern Hot Springs) 883 Comment
  CAS-BOT-BC81924  Ephedra viridis Ernest C. Twisselmann 1963-12-18 9212 Kern Don's Canyon, a fork of upper Cedar Canyon 579 Comment
  CAS-BOT-BC81948  Ephedra viridis Ernest C. Twisselmann 1969-5-21 15400 Kern Ridge in the east fork of the canyon 792 Comment
  CAS-BOT-BC81957  Ephedra viridis Ernest C. Twisselmann 1967-9-19 13722 Kern Summit ridge of Scodie (Kiahvah) Mountain 1950 Comment
  CAS-BOT-BC81962  Ephedra viridis Ernest C. Twisselmann 1969-5-21 15400 Kern Ridge in the east fork of the canyon 792 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-BC83055  Eschscholzia minutiflora Ernest C. Twisselmann 1962-4-10 6861 Kern Mojave Desert. Mojave-Randsburg Region. Plain northeast of Soledad Mountain. 762 Comment
  CAS-BOT-BC83069  Eschscholzia minutiflora Ernest C. Twisselmann 1966-4-26 11999 Kern Mojave Desert. Mojave-Randsburg Region. South side of Galileo Hill (south of the west end of the Rand Mountains). 1005 Comment
  CAS-BOT-BC83073  Eschscholzia minutiflora Ernest C. Twisselmann 1969-5-21 15398 Kern Mojave Desert. Red Rock Canyon. Ridge in the east fork of the canyon. 792 Comment
  CAS-BOT-BC83074  Eschscholzia minutiflora Ernest C. Twisselmann 1969-5-21 15398 Kern Mojave Desert. Red Rock Canyon. Ridge in the east fork of the canyon. 792 Comment
  CAS-BOT-BC83308  Myosurus minimus Ernest C. Twisselmann 1954-4-6 1002 Kern Temblor Range and the Western San Joaquin Valley. Alkali Sink. 10 miles north of Lost Hills. 106 Comment
  CAS-BOT-BC84657  Anthemis cotula Ernest C. Twisselmann 1964-7-25 9938 Kern Lynns Valley at the Henry Bowen Ranch 975 Comment
  CAS-BOT-BC86139  Quercus dumosa Ernest C. Twisselmann 1953-9-4 740 Kern Messa Ridge: Temblor Mountains 762 Comment
  CAS-BOT-BC86140  Quercus dumosa Ernest C. Twisselmann 1953-9-4 741 Kern Joe Messa Ridge, 3 miles W of Carneros Rocks 822 Comment
  CAS-BOT-BC86872  Quercus douglasii Ernest C. Twisselmann 1963-5-17 8232 Kern Poso Creek, ca. 0.5 mile above Poso Narrows 707 Comment
  CAS-BOT-BC86881  Quercus douglasii Ernest C. Twisselmann 1965-7-29 11384 Kern Alder Creek just above Alder Creek Public Camp 1188 Comment
  CAS-BOT-BC87047  Streptanthus farnsworthianus Ernest C. Twisselmann 1970-5-23 16607 Kern Sierra Nevada. The Greenhorn Range. High ridge north of the head of Lumreau Creek (the old Bull Road). 1402 Comment
  CAS-BOT-BC8714  Delphinium gypsophilum Ernest C. Twisselmann 1954-5-15 1250 Kern Carter Grade; 1 mile west of Annette 579 Comment
  CAS-BOT-BC8830  Delphinium gracilentum Ernest C. Twisselmann 1965-6-4 10976 Kern Wagy Flat Road, 0.7 miles west of Wagy Flat 1516 Comment
  CAS-BOT-BC88343  Thysanocarpus curvipes Ernest C. Twisselmann 1956-4-23 2712 Kern Temblor Range and the Western San Joaquin Valley. Rimrock at west summit of Orchard Peak (Antelope Mountain). 955 Comment
  CAS-BOT-BC88366  Thysanocarpus curvipes Ernest C. Twisselmann 1955-5-12 1982 Kern Temblor Range and the Western San Joaquin Valley. Summit of Associated Canyon, Temblor Mountains. 1127 Comment
  CAS-BOT-BC88371  Thysanocarpus curvipes Ernest C. Twisselmann 1964-5-15 9408 Kern Sierra Nevada. Greenhorn Range. North flank of Blue Mountain. 1043 Comment
  CAS-BOT-BC88381  Thysanocarpus curvipes Ernest C. Twisselmann 1966-5-20 12236 Kern Tehachapi-Kernville Region. Loop Ranch. Summit of the high ridge, ca. 5 miles northwest of Tehachapi. 1485 Comment
  CAS-BOT-BC88382  Thysanocarpus curvipes Ernest C. Twisselmann 1966-5-20 12236 Kern Tehachapi-Kernville Region. Loop Ranch. Summit of the high ridge, ca. 5 miles northwest of Tehachapi. 1485 Comment
  CAS-BOT-BC88631  Idahoa scapigera Ernest C. Twisselmann 1970-5-23 16614 Kern Sierra Nevada. The Greenhorn Range. High slope south of Cedar Creek, ca. 0.75 mile above Fulton Creek. 1036 Comment
  CAS-BOT-BC88712  Lepidium acutidens Ernest C. Twisselmann 1959-4-1 5016 Kern Temblor Range and the Western San Joaquin Valley. Goose Lake. 67 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-BC89288  Lepidium flavum Ernest C. Twisselmann 1965-5-5 10651 Kern Mojave Desert. Mojave-Randsburg Region. Northwest end of Buckhorn Lake, Edwards Air Force Base. 746 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-BC89923  Lepidium nitidum Ernest C. Twisselmann 1965-3-17 10437 Kern San Joaquin Valley. The Kern National Wildlife Refuge. Goose Lake Canal. 76 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-BC89930  Lepidium nitidum Ernest C. Twisselmann 1968-3-21 14064 Kern Tehachapi-Kernville Region. Scodie Mountains. Cholla Canyon, a fork of Kelso Canyon. 975 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-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-BC91715  Platystemon californicus Ernest C. Twisselmann 1965-5-27 10876 Kern Sierra Nevada. Greenhorn Range. Low rock outcrops just east of Rankin Flat, Lynns Valley. 922 Comment
  CAS-BOT-BC9262  Mimulus palmeri Ernest C. Twisselmann 1962-5-8 7093 Kern Red Rock Canyon: about 0.25 mile above the freeway bridge. 701 Comment
  CAS-BOT-BC9265  Mimulus palmeri Ernest C. Twisselmann 1963-6-27 8546 Kern Northwest slope of Basket Peak 1600 Comment
  CAS-BOT-BC93371  Ribes cereum Ernest C. Twisselmann 1956-9-14 3162 Kern San Emigdio Range. Mount Pinos road 0.1 mile west of the end of the highway. 2316 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-BC93559  Artemisia tridentata subsp. tridentata Ernest C. Twisselmann 1964-7-24 9884 Kern Sierra Nevada, Kern Plateau - Pine Flat 2164 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-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-BC94321  Quercus garryana var. breweri Ernest C. Twisselmann 1958-8-7 4574 Kern Tejon Ranch: Ridge on the Tejon Ranch road about 1 mile W of White Oak Lodge (Mohave drainage) 1524 Comment
  CAS-BOT-BC94718  Quercus john-tuckeri Ernest C. Twisselmann 1963-6-25 8487 Kern Mesa Ridge. Temblor Range and the West San Joaquin Valley 800 Comment
  CAS-BOT-BC94719  Quercus john-tuckeri Ernest C. Twisselmann 1964-5-26 9509 Kern Tehachapi-Kernville Region. Back Canyon, at the cypress grove 1264 Comment
  CAS-BOT-BC94721  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-BC94745  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-BC95377  Bowlesia incana Ernest C. Twisselmann 1954-4-15 1116 Kern Summit of Ross Ridge, 12 miles SW of Blackwell's Corner, Temblor Range 914 Comment
  CAS-BOT-BC97520  Symphyotrichum ascendens Ernest C. Twisselmann 1964-7-24 9851 Kern Little Cannell Meadow 2118 Comment
  CAS-BOT-BC98308  Symphyotrichum subulatum var. parviflorum Ernest C. Twisselmann 1958-9-3 4778 Kern San Joaquin Valley - Enos Road at Highway 399 (Taft Highway) 121 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-BC98341  Symphyotrichum subulatum var. parviflorum Ernest C. Twisselmann 1948-9-2 467 Kern San Joaquin Valley - about 6 miles north of Bakersfield Comment
  CAS-BOT-BC98350  Symphyotrichum subulatum var. parviflorum Ernest C. Twisselmann 1964-9-29 10275 Kern San Joaquin Valley - Kern National Wildlife Refuge 76 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-BC98774  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-BC99685  Baccharis salicifolia Ernest C. Twisselmann 1964-10-20 10298 Kern Mesquite Spring, El Paso Mountains 617 Comment
  CAS-BOT-BC99686  Baccharis salicifolia Ernest C. Twisselmann 1964-5-6 9325 Kern Alphie Spring (in a fork of Jawbone Canyon) 1082 Comment
  CAS-BOT-BC99699  Baccharis salicifolia Ernest C. Twisselmann 1955-10-21 2468 Kern Caliente Canyon, 2 1/2 miles northeast of Caliente 441 Comment
  CAS-BOT-BC99702  Baccharis salicifolia Ernest C. Twisselmann 1964-7-17 9742 Kern Southeast end of Castaic Lake 1059 Comment
  CAS-BOT-BC99723  Baccharis salicifolia Ernest C. Twisselmann 1970-5-6 16498 Kern Canebrake Creek just above Walker Pass Station 1363 Comment
  CAS-BOT-BC99724  Baccharis salicifolia Ernest C. Twisselmann 1971-4-25 17675 Kern Kern River just below the KR3 Power House (just above Kernville) 822 Comment
  CAS-BOT-BC99735  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
  CDA3376  Mollugo verticillata E. C. Twisselmann 1972-9-23 19258 Kern Southern Sierra Nevada region; Bed of Lake Isabella below mouth of Tillie Creek. Elev. 2500 feet. Comment
  JEPS18644  Corethrogyne filaginifolia Ernest C. Twisselmann 1955-10-21 2475 Kern 1 mi s Havilah; Tehachapi-Kernville Region, Havilah Canyon 1005 Comment
  JEPS18666  Conyza canadensis Ernest C. Twisselmann 1953-11-3 816 Kern 5 mi se of Lost Hills; Temblor Range, Western San Joaquin Valley, Buena Vista Sloug 74 Comment
  JEPS18736  Galium angustifolium subsp. angustifolium Ernest C. Twisselmann 1954-5-13 1223 Kern 12 mi nw McKittrick; Temblor Range and Western San Joaquin Valley, Drake Ridge 792 Comment
  JEPS21365  Plantago ovata Ernest C. Twisselmann 1958-5-6 4444 Kern Last Chance Canyon Mojave Desert, Mojave-Randsburg Region, El Paso Mountains 737 Comment
  JEPS21790  Cordylanthus rigidus subsp. rigidus Ernest C. Twisselmann 1957-8-5 3909 Kern 2.2 mi w Evans Flat (Rattlesnake Grade); Sierra Nevada, Greenhorn Range 1889 Comment
  JEPS21913  Mimulus aurantiacus var. pubescens Ernest C. Twisselmann 1958-5-27 4514 Kern first canyon n Freeman Canyon (Walker Pass road) (mouth of Indian Wells Canyon, about 4.8 mi n of road jct. and just back of and above Homestead road station); Mohave-Randsburg Region 1036 Comment
  JEPS21920  Castilleja angustifolia Ernest C. Twisselmann 1958-5-6 4429 Kern near summit of Last Chance Canyon (El Paso Mountains); Mojave Desert, Mojave-Randsburg Region, El Paso Mountains 960 Comment
  JEPS22283  Heterocodon rariflorum Ernest C. Twisselmann 1958-8-19 4713 Kern Barrel Spring; Tehachapi-Kernville Region, Breckenridge Mountain 1981 Comment
  JEPS22295  Laennecia coulteri Ernest C. Twisselmann 1958-11-1 4930 Kern 1 mi s Cantil; Mohave-Randsburg Region, Fremont Valley 624 Comment
  JEPS24073  Veronica peregrina subsp. xalapensis Ernest C. Twisselmann 1959-4-1 5015 Kern Imperial Road at Scaron Road (Eastern San Joaquin Valley, Shafter Region); Eastern San Joaquin Valley, Shafter Region 91 Comment
  JEPS24084  Galium aparine Ernest C. Twisselmann 1959-5-2 5174 Kern Breckenridge Mt. Rd 8.7 mi w Munzer Meadow; Tehachapi-Kernville Region 1036 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
  JEPS26355  Baccharis salicifolia subsp. salicifolia Ernest C. Twisselmann 1959-4-1 5010 Kern 2.2 mi w of Stockdale Country Club (Kern River San Joaquin Valley); San Joaquin Valley, Kern River 114 Comment
  JEPS26365  Agoseris heterophylla var. heterophylla Ernest C. Twisselmann 1959-5-21 4249 Kern west flank Bohna Peak; The Greenhorn Range 1706 Comment
  JEPS27231  Pluchea sericea Ernest C. Twisselmann 1961-8-22 6528 Kern w Indian Wells Valley (eastern escarpment of the Sierra); Sierra Nevada, Grapevine Canyon 929 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
  JEPS27690  Madia elegans Ernest C. Twisselmann 1961-7-27 6401 Kern 5.5 mi nw Glennville; Greenhorn Range, Lynn Valley 1005 Comment
  JEPS27707  Eriophyllum ambiguum var. ambiguum Ernest C. Twisselmann 1961-5-4 6084 Kern 1.4 mi n of Davis Guard Station (Ice House Road); Sierra Nevada, Greenhorn Range, Ice House Road 1402 Comment
  JEPS27719  Chaenactis santolinoides Ernest C. Twisselmann 1961-6-22 6326 Kern nw slope of, near the summit Mt. Pinos; San Emigdio Range, Mt. Pinos Region, Mt. Pinos 2636 Comment
  JEPS27722  Castilleja lineariloba Ernest C. Twisselmann 1961-5-4 6120 Kern 1.2 mi e Poso Flat Road junction with Granite Station-Glennville Road (Poso Flat Road); Sierra Nevada, Greenhorn Range 853 Comment
  JEPS27726  Madia elegans Ernest C. Twisselmann 1961-5-4 6061 Kern 8.6 mi e Glennville (Greenhorn Pass Road); Sierra Nevada, Greenhorn Range 1158 Comment
  JEPS27829  Lindernia dubia var. anagallidea Ernest C. Twisselmann 1959-7-4 5418 Kern Rosedale District Eastern San Joaquin Valley (Brimhall Road) 121 Comment
  JEPS27841  Grindelia squarrosa var. serrulata Ernest C. Twisselmann 1959-7-7 5542 Kern just e Lake Isabella; Tehachapi-Kernville Region, South Fork Valley 792 Comment
  JEPS27842  Plantago lanceolata Ernest C. Twisselmann 1959-7-7 5543 Kern just e Lake Isabella; Tehachapi-Kernville Region, South Fork Valley 792 Comment
  JEPS28878  Mimulus constrictus Ernest C. Twisselmann 1962-6-22 7296 Kern 3.2 mi w Bodfish road (Walker Basin road); Tehachapi-Kernville Region, Piute Mountain 2087 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
  JEPS31056  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1960-8-12 5983 Kern 0.5 mi n Choice Valley School; Temblor Range, Western San Joaquin Valley, Choice Valley 605 Comment
  JEPS31058  Ambrosia salsola Ernest C. Twisselmann 1960-4-2 5947 Kern river 0.75 mi e canyon mouth; Tehachapi-Kernville Region, Kern River 289 Comment
  JEPS31094  Bidens frondosa Ernest C. Twisselmann 1961-8-21 6475 Kern just e of Kernville Cemetery; Sierra Nevada, Kern River 777 Comment
  JEPS31107  Tetradymia stenolepis Ernest C. Twisselmann 1961-10-31 6685 Kern Willow Springs region, end of Hamilton Road Mohave-Randsburg Region 746 Comment
  JEPS31119  Cirsium andersonii Ernest C. Twisselmann 1962-9-20 7892 Kern Sierra Nevada, The Greenhorn Range, Summit of Cooks (Shirley 2133 Comment
  JEPS31149  Ericameria nauseosa var. mohavensis Ernest C. Twisselmann 1962-11-14 8003 Kern Tejon Ranch Service road at the head of Grapevine Canyon, on the slopes around Fort Tejon San Emigdio Range, Mt. Pinos Region, Grapevine Canyon 990 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
  JEPS31187  Agnorhiza ovata Ernest C. Twisselmann 1962-7-19 7446 Kern Lander's Meadow Tehachapi-Kernville Region, Piute Mountains 1973 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
  JEPS31221  Chaenactis carphoclinia var. carphoclinia Ernest C. Twisselmann 1962-5-7 7054 Kern n of El Paso Peak; Mojave Desert, Mojave-Randsburg Region, El Paso Range 944 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
  JEPS31257  Brickellia californica Ernest C. Twisselmann 1962-8-27 7706 Kern Lumreau Creek near its head 1310 Comment
  JEPS31267  Centromadia pungens subsp. pungens Ernest C. Twisselmann 1962-6-20 7417 Kern Adobe Road 1.3 mi s Bear Mountain Boulevard (e side Kern County); San Joaquin Valley, Weedpatch region 128 Comment
  JEPS31270  Pedicularis semibarbata Ernest C. Twisselmann 1962-6-22 7354 Kern 1.1 mi s of Woolstaff Meadow (French Gulch); Tehachapi-Kernville Region, Piute Mountains 2255 Comment
  JEPS31839  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1963-6-11 8477 Kern just above Granite Station; Sierra Nevada, Greenrange Range 563 Comment
  JEPS32603  Ericameria cooperi var. cooperi Ernest C. Twisselmann 1963-5-10 8172 Kern Willow Springs Mojave Desert, Randsburg Region, Willow Springs 899 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
  JEPS32626  Mimulus pictus Ernest C. Twisselmann 1963-5-17 8256 Kern head Gremaud Gulch; Sierra Nevada, Greenhorn Range 762 Comment
Read comments Oct 21 2013
  JEPS32631  Chaenactis glabriuscula var. glabriuscula Ernest C. Twisselmann 1963-4-26 8107 Kern n of Posos Creek Gorge; Greenhorn Range 838 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
  JEPS32638  Deinandra pallida Ernest C. Twisselmann 1963-4-12 8030 Kern mesa on s side mouth of Tejon Creek; San Joaquin Valley 220 Comment
  JEPS32653  Symphyotrichum ascendens Ernest C. Twisselmann 1963-8-30 8929 Kern French Meadow Tehachapi-Kernville Region, Piute Mountains 2072 Comment
  JEPS32744  Mimulus montioides Ernest C. Twisselmann 1963-7-9 8599 Kern slope on sw side Black Mountain Saddle; Sierra Nevada, Greenhorn Range 1844 Comment
  JEPS32751  Orochaenactis thysanocarpha Ernest C. Twisselmann 1963-7-10 8663 Kern sw Pine Flat; Sierra Nevada, rim of Kern Plateau 2225 Comment
  JEPS32752  Erigeron philadelphicus var. philadelphicus Ernest C. Twisselmann 1963-6-27 8506 Kern just below the mouth Fulton Creek (Cedar Creek); Sierra Nevada, The Greenhorn Range, Cedar Creek 990 Comment
  JEPS32756  Hemizonella minima Ernest C. Twisselmann 1963-6-27 8528 Kern ne flank Hatchet Peak; Sierra Nevada, Greenhorn Range 1859 Comment
  JEPS32758  Mimulus constrictus Ernest C. Twisselmann 1963-6-27 8563 Kern 2 mi s Glennville (Farnsworth Ranch); Sierra Nevada, Greenhorn Range 883 Comment
  JEPS32766  Tragopogon pratensis Ernest C. Twisselmann 1963-6-27 8533 Kern Pettitt Meadow Sierra Nevada, Greenhorn Range 1447 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
  JEPS33429  Cordylanthus rigidus subsp. rigidus Ernest C. Twisselmann 1963-9-19 9046 Kern hills at mouth Water Canyon; Tehachapi Mountains 1432 Comment
  JEPS33441  Lindernia dubia var. anagallidea Ernest C. Twisselmann 1963-9-6 8970 Kern 6.5 mi nw Famosa (Poso Creek); Eastern San Joaquin Valley 91 Comment
  JEPS33442  Cirsium occidentale var. venustum Ernest C. Twisselmann 1963-9-19 8979 Kern hills at the mouth Water Canyon; Tehachapi Mountains, Water Canyon 1432 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
  JEPS33460  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1963-9-18 9029 Kern Walker Pass; Sierra Nevada 1600 Comment
  JEPS33477  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1963-8-30 8896 Kern 3.4 mi above Bodfish Gap (n end of Piute Mountain); Tehachapi-Kernville Region, Piute Mountain 1524 Comment
  JEPS33480  Madia gracilis Ernest C. Twisselmann 1963-8-30 8927 Kern French Meadow Tehachapi-Kernville Region, Piute Mountains 2072 Comment
  JEPS35984  Ericameria nauseosa var. speciosa Ernest C. Twisselmann 1964-9-16 10186 Kern Lookout Point Tehachapi-Kernville Region, Piute Mountains 2514 Comment
  JEPS36023  Isocoma acradenia var. bracteosa Ernest C. Twisselmann 1964-9-29 10240 Kern on the w side Refuge; San Joaquin Valley, Kern National Wildlife Refuge 76 Comment
  JEPS36027  Baccharis salicifolia subsp. salicifolia Ernest C. Twisselmann 1964-5-7 9362 Kern at the north end of Rosamond Lake (Edwards Air Force Base, Mojave Desert - Randsburg Region); Mojave Desert, , Edwards Air Force Base 605 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
  JEPS36051  Solidago elongata Ernest C. Twisselmann 1964-9-16 10193 Kern French Meadow Tehachapiii-Kernville Region, , French Meadow (Piute Mountains) 2072 Comment
  JEPS36052  Achillea millefolium Ernest C. Twisselmann 1964-9-16 10189 Kern French Meadow; Tehachapi-Kernville Region, Piute Mountains, French Meadow 2072 Comment
  JEPS36056  Ericameria cooperi var. cooperi Ernest C. Twisselmann 1964-5-6 9323 Kern slope above Alphie Spring, (a fork of Jawbone Canyon) Alphie Spring, Jawbone Canyon; Tehachapi-Kernville Region 1158 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
  JEPS36081  Agoseris grandiflora var. grandiflora Ernest C. Twisselmann 1964-6-21 9682 Kern Bear Valley Tehachapi Mountains, Bear Valley 1280 Comment
  JEPS36082  Mimulus constrictus Ernest C. Twisselmann 1964-6-10 9558 Kern Tecuya Ridge San Emigdio Range, Mt. Pinos Range 1965 Comment
  JEPS36088  Mimulus primuloides subsp. primuloides Ernest C. Twisselmann 1964-7-24 9853 Kern Little Cannell Meadow Sierra Nevada, Kern Plateau 2118 Comment
  JEPS36094  Malacothrix floccifera Ernest C. Twisselmann 1964-6-10 9567 Kern Tecuya Ridge San Emigdio Range, Mt. Pinos Region 1828 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
  JEPS36122  Chaenactis carphoclinia var. carphoclinia Ernest C. Twisselmann 1964-5-6 9335 Kern head of Red Rock Canyon Mojave Desert, Mohave-Randsburg Region 822 Comment
  JEPS37876  Castilleja subinclusa subsp. subinclusa Ernest C. Twisselmann 1964-6-10 9571 Kern Tecuya Ridge; San Emigdio Range, Mt. Pinos Region 2026 Comment
  JEPS37878  Deinandra arida Ernest C. Twisselmann 1964-10-21 10400 Kern Red Rock Canyon Mojave Desert, Mojave-Randsbrug Region, Red Rock Canyon 701 Comment
  JEPS37885  Galium bolanderi Ernest C. Twisselmann 1964-6-21 9693 Kern canyon at e end Bear Valley; Tehachapi Mountains 1310 Comment
  JEPS41273  Mimulus nasutus Ernest C. Twisselmann 1965-7-28 11332 Kern Pine Flat Sierra Nevada, Kern Plateau 2225 Comment
  JEPS41284  Chaenactis fremontii Ernest C. Twisselmann 1965-4-26 10623 Kern The Crater Sierra Nevada, Greenhorn Range, Adobe Canyon 365 Comment
  JEPS41291  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1965-4-21 10591 Kern e of Arvin Sheep Trail (Horsethief Flat Road); Tehachapi Mountains 601 Comment
  JEPS41292  Veronica arvensis Ernest C. Twisselmann 1965-5-17 10883 Kern just e of Rankin Flat (Sierra Nevada, Greenhorn Range); Sierra Nevada, Greenhorn Range 914 Comment
  JEPS41296  Coreopsis californica var. californica Ernest C. Twisselmann 1965-5-5 10655 Kern nw end of Buckhorn Lake; Edwards Air Force Base, Buckhorn Lake 746 Comment
  JEPS41303  Lasthenia gracilis Ernest C. Twisselmann 1965-5-6 10716 Kern Red Rock Canyon Mojave Desert, Mojave-Randsburg Region 762 Comment
  JEPS41345  Plectritis ciliosa subsp. insignis Ernest C. Twisselmann 1965-6-4 10981 Kern Sierra Nevada, Greenhorn Range, Petitt Meadow Petitt Meadow; Sierra Nevada, Greenhorn Range, Petitt Meadow 1447 Comment
  JEPS41349  Galium hallii Ernest C. Twisselmann 1965-6-3 10948 Kern hill e Bodfish Gap (nw end of mt.); Tehachapi-Kernville Region, Piute Mountain 1234 Comment
  JEPS41353  Galium andrewsii subsp. andrewsii Ernest C. Twisselmann 1965-6-3 10949 Kern hill e Bodfish Gap (nw end of mt.); Tehachapi-Kernville Region, Piute Mountain 1234 Comment
  JEPS51947  Pseudognaphalium luteoalbum Ernest C. Twisselmann 1965-10-1 11631 Kern 1/2 mi above Cedar Creek; Sierra Nevada, Greenhorn Range, Lumreau Creek 822 Comment
  JEPS51978  Symphoricarpos albus var. laevigatus Ernest C. Twisselmann 1965-10-1 11619 Kern Lumreau Creek falls; Sierra Nevada, Greenhorn Range 853 Comment
  JEPS52014  Castilleja applegatei subsp. pinetorum Ernest C. Twisselmann 1965-7-27 11214 Kern Summit of Breckenridge Mountain Tehachapi-Kernville Region 2293 Comment
  JEPS52023  Chaenactis santolinoides Ernest C. Twisselmann 1965-7-6 11128 Kern n slope of Tehachapi Peak; Tehachapi Mountains, Tehachapi Peak 2194 Comment
  JEPS52056  Madia exigua Ernest C. Twisselmann 1965-6-4 10995 Kern w slope Basket Peak; Greenhorn Range 1150 Comment
  JEPS52066  Collinsia childii Ernest C. Twisselmann 1965-6-4 10982 Kern Petitt Meadow Greenhorn Range 1447 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
  JEPS52086  Nemacladus sigmoideus Ernest C. Twisselmann 1965-5-5 10681 Kern ne end Buckhorn Lake (Edwards Air Force Base); Mojave Desert, Mojave-Randsberg Region 754 Comment
  JEPS52107  Eriophyllum ambiguum var. ambiguum Ernest C. Twisselmann 1965-4-14 10516 Kern w slope of Breckenridge Mountain (Tehachapi-Kernville region) 777 Comment
  JEPS52170  Verbascum thapsus Ernest C. Twisselmann 1966-8-26 12725 Kern Cedar Creek 0.25 mi below its forks with Lumreau Creek (Greenhorn Range); Sierra Nevada, , Cedar Creek, Lumreau Creek 792 Comment
  JEPS52199  Solidago velutina subsp. californica Ernest C. Twisselmann 1966-9-8 12769 Kern canyon sw Y Camp (in upper San Emigdio Canyon); San Emigdio Range, upper San Emigdio Canyon 1767 Comment
  JEPS52207  Collinsia childii Ernest C. Twisselmann 1966-5-20 12242 Kern Tweedy Creek Tehachapi-Kernville Region (ridge at head, (mountains e of Keene)) 1539 Comment
  JEPS52219  Anisocoma acaulis Ernest C. Twisselmann 1966-5-10 12126 Kern w end King Solomon's Ridge; Piute Mountains 1463 Comment
  JEPS52221  Ericameria linearifolia Ernest C. Twisselmann 1966-5-10 12135 Kern 2.5 mi e Havilah; Tehachapi-Kernville region, Haight Canyon 1432 Comment
  JEPS52222  Penstemon grinnellii var. scrophularioides Ernest C. Twisselmann 1966-5-10 12130 Kern 3.8 mi e Havilah (Haight Canyon); Tehachapi-Kernville Region, Piute Mountains, Haight Canyon 1432 Comment
  JEPS52236  Baccharis salicina Ernest C. Twisselmann 1966-9-30 12806 Kern about 1 mi above Poso Creek; San Joaquin Valley, Sand Canyon, Poso Creek 365 Comment
  JEPS52270  Ericameria parryi var. vulcanica Ernest C. Twisselmann 1966-10-28 12896 Kern Sierra Nevada, The Kern Plateau, Pine Flat 2164 Comment
  JEPS54413  Tetradymia axillaris var. longispina Ernest C. Twisselmann 1967-6-27 13483 Kern Sacatar Meadows Sierra Nevada, Kern Plateau 1950 Comment
  JEPS54443  Stephanomeria pauciflora Ernest C. Twisselmann 1967-9-19 13729 Kern Horse Canyon Tehachapi-Kernville Region, Scodie Mountain 1828 Comment
  JEPS57918  Lasthenia minor Ernest C. Twisselmann 1968-3-14 14054 Kern ca 7 mi n U. S. Highway 46 (Cole Property on the Corcoran Road); San Joaquin Valley 106 Comment
  JEPS60778  Lepidospartum squamatum Ernest C. Twisselmann 1969-10-16 16310 Kern Ricardo Mojave Desert, Red Rock Canyon, Ricardo 777 Comment
  JEPS60851  Coreopsis calliopsidea Ernest C. Twisselmann 1969-4-19 15129 Kern along Tejon Creek (1.25 mi above its mouth); San Joaquin Valley, Comanche Hills 335 Comment
  JEPS60852  Lasthenia debilis Ernest C. Twisselmann 1969-4-19 15143 Kern 1 mi w Richbar (Live Oak Campground); Tehachapi-Kernville Region, Kern Canyon 411 Comment
  JEPS60868  Mimulus palmeri Ernest C. Twisselmann 1969-5-21 15375 Kern Tarweed Creek Mojave Desert, Red Rock Canyon 762 Comment
  JEPS64640  Hazardia stenolepis Ernest C. Twisselmann 1970-10-5 17506 Kern Head of Cedar Canyon Temblor Range, Western San Joaquin Valley, Head of Cedar Can 716 Comment
  JEPS68292  Orochaenactis thysanocarpha Ernest C. Twisselmann 1971-7-15 17901 Kern s fork of the head Bartolas Creek; Sierra Nevada, Kern Plateau, s fork of the head of Bartolas 1981 Comment
  JEPS68298  Mimulus whitneyi Ernest C. Twisselmann 1971-7-15 17868 Kern North Fork of the head of Bartolas Creek Sierra Nevada, Kern Plateau 2011 Comment
  JEPS68328  Eriophyllum confertiflorum var. confertiflorum Ernest C. Twisselmann 1971-4-26 17604 Kern highway just above KR3 powerhouse; Kern Canyon 822 Comment
  JEPS88685  Microseris sylvatica Ernest C. Twisselmann 1958-4-12 4241 Kern Delano Road 6.3 mi w Woody; eastern San Joaquin Valley 426 Comment
  JEPS88693  Pseudobahia peirsonii Ernest C. Twisselmann 1958-4-12 4244 Kern Delano Road 9.5 mi w Woody; eastern San Joaquin Valley 335 Comment
  LA29369  Delphinium recurvatum Ernest C. Twisselmann; 1958-3-22 4149 Kern Corcoran Hwy., 0.5 mi. N of Pond 106 Comment
  NY409591  Callitriche marginata E. C. Twisselmann 1965-5-27 10878 Kern Just east of Rankin Flat, Lynns Valley 914.4 Comment
  NY547195  Nemacladus twisselmannii E. C. Twisselmann 1963-7-10 8690 Kern Rim of the Kern Plateau southwest of Pine Flat 2240.3 Comment
  NY627372  Penstemon newberryi var. newberryi E. C. Twisselmann 1971-7-15 17866 Kern North fork of the head of Bartolas Creek 2011.7 Comment
  OBI21805  Eragrostis pectinacea Ernest C. Twisselmann 1954-10-24 1643 Kern Plants of Temblor Range and Western San Joaquin Valley. Corcoran Hwy: 8 mi N of US 466 88 Comment
  RSA115491  Bromus arizonicus E. C. Twisselmann 1955-4-19 1880 Kern Goose Lake. 91 Comment
  RSA115498  Amsinckia vernicosa E. C. Twisselmann 1955-4-14 1844 Kern Chico Martinez Canyon, western Kern Co. 427 Comment
  RSA115517  Gayophytum diffusum subsp. parviflorum E. C. Twisselmann 1955-10-21 2477 Kern Piute Peak Road, 2 miles west of French Meadow Ranger Station. 2348 Comment
  RSA115725  Gilia brecciarum subsp. jacens E. C. Twisselmann 1955-6-23 2194 Kern Mt. Abel Rd., 7.8 miles south of Grocer Grade summit 1448 Comment
  RSA116505  Krascheninnikovia lanata E. C. Twisselmann 1954-4-2 956 Kern Bacon Hills, 4 mi. e. of Carneros Rocks. 335 Comment
  RSA116524  Eriogonum heermannii E. C. Twisselmann 1955-8-10 2349 Kern Cuddy Valley, 3/8 mile east of Cuddy Valley Store. 1579 Comment
  RSA116555  Larrea tridentata E. C. Twisselmann 1954-6-21 1387 Kern Point of Rocks: 1/2 mi. southeast on hillslope. 335 Comment
Read comments Feb 28 2018
  RSA118184  Gilia leptantha subsp. purpusii E. C. Twisselmann 1957-6-5 3643 Kern Piutw Mountains: Claraville-Bodfish Road near Liebel Peak. 2287 Comment
  RSA118200  Gilia interior E. C. Twisselmann 1957-4-20 3455 Kern Piute Mountains; Erskine Creek. 1189 Comment
  RSA118204  Allophyllum gilioides E. C. Twisselmann 1957-6-5 3636 Kern Piute Mountains: Bodfish Road, 0.6 mile northwest of Saddle Springs. 1860 Comment
  RSA119036  Gilia tricolor subsp. diffusa E. C. Twisselmann 1958-3-22 4144 Kern Wasco-Corcoran Highway: Tulare County at the Kern County Line 119 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
  RSA148715  Allophyllum gilioides E. C. Twisselmann 1960-4-2 5922 Kern Fay Canyon, 4.7 miles north of Weldon. 1082 Comment
  RSA161661  Gilia minor E. C. Twisselmann 1962-4-10 6859 Kern Antelope Valley; Avenue A, 3.1 miles west of Hwy 6 671 Comment
  RSA161662  Gilia brecciarum subsp. neglecta E. C. Twisselmann 1962-4-11 6907 Kern South end of Kelso Valley. 1128 Comment
  RSA162515  Erysimum capitatum E. C. Twisselmann 1963-4-18 8089 Kern Pleito Hills 564 Comment
  RSA162531  Pogogyne douglasii E. C. Twisselmann 1963-6-11 8474 Kern 1 mile west of Glennville 915 Comment
  RSA162532  Senecio flaccidus var. douglasii E. C. Twisselmann 1963-6-11 8477 Kern The Greenhorn Range; Granite outcrops just above Granite Station 564 Comment
  RSA162538  Penstemon laetus E. C. Twisselmann 1963-6-3 8357 Kern Black Bob Canyon, San Emigdio Range. 915 Comment
  RSA162553  Calystegia malacophylla subsp. pedicellata E. C. Twisselmann 1963-6-3 8296 Kern Neasons Flat, San Emigdio Range. 1067 Comment
  RSA162563  Camissonia kernensis subsp. kernensis E. C. Twisselmann 1963-5-11 8178 Kern Horse Canyon, Scodie (Kiavah) Mountain. 1616 Comment
Read comments Jul 20 2012
  RSA164024  Eriogonum wrightii var. subscaposum E. C. Twisselmann 1963-8-30 8915 Kern Lookout Point, Piute Mountains. 2500 Comment
  RSA164030  Cordylanthus rigidus subsp. brevibracteatus E. C. Twisselmann 1963-8-30 8898 Kern North end of Piute Mountain, 7.4 miles above Bodfish Gap. 1905 Comment
  RSA164034  Streptanthus cordatus var. piutensis E. C. Twisselmann 1963-8-30 8893 Kern North end of Piute Mountain (2.1 miles above Bodfish Gap). 1386 Comment
  RSA164065  Arctostaphylos glauca var. glauca E. C. Twisselmann 1963-6-25 8486 Kern Messa Ridge. 800 Comment
  RSA164100  Daucus carota E. C. Twisselmann 1963-9-6 8947 Kern U. S. 466, 6 milews west of Wasco. 99 Comment
  RSA164118  Ephedra viridis E. C. Twisselmann 1963-12-18 9212 Kern Don's Canyon, a fork of upper Cedar Canyon 579 Comment
  RSA164135  Eriochloa acuminata E. C. Twisselmann 1963-9-6 8965 Kern Cecil Road, 7.2 miles east of Delano Comment
  RSA164141  Machaeranthera carnosa E. C. Twisselmann 1963-9-19 9047 Kern Bear Mtn Blvd, 3 miles W of Arvin. 107 Comment
  RSA164142  Castilleja linariifolia E. C. Twisselmann 1963-9-18 9034 Kern Kern river just above Kernville. 838 Comment
  RSA169155  Limnanthes montana E. C. Twisselmann 1964-5-15 9448 Kern Willow Creek on the E slope of Blue Mountain. 1159 Comment
  RSA169176  Lotus micranthus E. C. Twisselmann 1964-5-15 9451 Kern Woody Ranch gate on the north flank of Blue Mountain 1189 Comment
  RSA169193  Avena sativa E. C. Twisselmann 1964-5-6 9278 Kern Highway U.S. 466 at Desert Lake. 747 Comment
  RSA172670  Echinochloa oryzoides E. C. Twisselmann 1964-9-29 10271 Kern Kern National Wildlife Refuge. 76 Comment
  RSA172674  Sagittaria longiloba Ernest C. Twisselmann 1964-9-29 10234 Kern Kern National Wildlife Refuge. 76 Comment
  RSA172683  Ammannia coccinea E. C. Twisselmann 1964-9-29 10244 Kern Kern National Wildlife Refuge. 76 Comment
  RSA172805  Chrysothamnus viscidiflorus subsp. viscidiflorus E. C. Twisselmann 1964-9-16 10180 Kern Crest of Piute Mtn, common along a low ridge of white metamorphic rock in a Jeffrey pine forest 2447 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
  RSA179933  Eriogonum cithariforme var. cithariforme E. C. Twisselmann 1965-6-23 11065 Kern Head of Lecheria Canyon, Tejon Ranch 1936 Comment
  RSA179940  Leptosiphon androsaceus E. C. Twisselmann 1965-6-3 10906 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
  RSA179958  Zigadenus brevibracteatus Ernest C. Twisselmann 1965-4-21 10592 Kern The Sheep Trail: ridge east of Horsethief Flat. 976 Comment
  RSA179961  Mimulus pictus E. C. Twisselmann 1965-4-21 10585 Kern Tejon Canyon 762 Comment
  RSA180026  Galium angustifolium subsp. onycense E. C. Twisselmann 1965-6-3 10923 Kern [Unspecified] 1197 Comment
  RSA180031  Perideridia pringlei E. C. Twisselmann 1965-6-3 10952 Kern East of Bodfish Gap (NW end of Piute Mountain) 1235 Comment
  RSA180032  Apiastrum angustifolium E. C. Twisselmann 1965-6-3 10946 Kern East of Bodfish Gap (NW end of Piute Mountain) 1235 Comment
  RSA180053  Zigadenus venenosus var. venenosus Ernest C. Twisselmann 1965-5-27 10873 Kern Greenhorn Mountains. E of Rankin flat, Lynns [Linns] Valley. 915 Comment
  RSA180619  Allophyllum gilioides E. C. Twisselmann 1965-3-21 10489 Kern Alec Cook Rocks, Cedar Canyon. 762 Comment
  RSA180638  Allophyllum integrifolium E. C. Twisselmann 1963-7-9 8575 Kern West slope of Black Mountain 2012 Comment
  RSA180766  Gilia leptantha subsp. pinetorum E. C. Twisselmann 1965-7-6 11148 Kern Tehachapi Mountains. Summit of Tehachapi Peak. On the upper 1000 feet elevation Tehachapi Peak. 2435 Comment
  RSA180909  Lessingia nemaclada E. C. Twisselmann 1965-10-1 11620 Kern Lumreau Creek, 0.2 mile below the falls. 838 Comment
  RSA180947  Phacelia exilis E. C. Twisselmann 1965-7-27 11227 Kern Swale at the head of Mill Creek on the north slope of Beckenridge Mountain 2256 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
  RSA180971  Potamogeton foliosus Ernest C. Twisselmann 1965-10-1 11667 Kern Cedar Creek, just below mouth of Lumreau Creek. 792 Comment
  RSA180989  Camissonia campestris subsp. campestris E. C. Twisselmann 1965-5-18 10828 Kern Northeast end of Buckhorn Lake, Edwards Air Force Base. 747 Comment
  RSA181001  Juncus rugulosus Ernest C. Twisselmann 1965-10-1 11633 Kern Greenhorn Mountains: Lumreau Creek, above Cedar Creek. 823 Comment
  RSA181010  Phyla nodiflora E. C. Twisselmann 1965-9-19 11574 Kern Kern National Wildlife Refuge: northeast of Well 8 in Section 28. 66 Comment
  RSA181033  Plagiobothrys torreyi var. perplexans E. C. Twisselmann 1965-7-27 11240 Kern Meadow at Breckenridge Public Camp 2066 Comment
  RSA181040  Silene menziesii subsp. dorrii E. C. Twisselmann 1965-7-27 11195 Kern Breckenridge Mt. Rd., 0.9 mile east of Munzer meadow. 2005 Comment
  RSA186880  Artemisia dracunculus E. C. Twisselmann 1966-9-8 12773 Kern Canyon southwest of the Y camp in upper San Emigdio Canyon. 1768 Comment
  RSA186904  Gilia minor E. C. Twisselmann 1966-4-26 12007 Kern Summit of Galileo Hill (south of the west end of the Rand Mountains) 1067 Comment
  RSA186925  Gilia brecciarum subsp. neglecta E. C. Twisselmann 1966-4-12 11886 Kern Sumit of Mesquite Canyon, El Paso Range 1280 Comment
  RSA186946  Galium bolanderi E. C. Twisselmann 1966-5-20 12316 Kern Tweedy Canyon, east of Keene. 1540 Comment
  RSA186954  Galium bolanderi E. C. Twisselmann 1966-6-23 12380 Kern Trail to Sunday Peak, Greenhorn Range. 2378 Comment
  RSA186984  Eleocharis bella Ernest C. Twisselmann 1966-7-13 12598 Kern Cienega at the head of Bitter Creek. 2591 Comment
  RSA186996  Chrysothamnus nauseosus subsp. mohavensis E. C. Twisselmann 1966-9-8 12781 Kern Cuddy Valley 1646 Comment
  RSA187007  Cercocarpus intricatus E. C. Twisselmann 1966-5-11 12179 Kern Bartolas Country: rim of the Kern Plateau west of South Fork Canyon. 2134 Comment
  RSA187067  Plagiobothrys leptocladus E. C. Twisselmann 1966-4-20 11979 Kern Flat at the head of Messa Ridge 1040 Comment
Read comments Jun 2 2008
  RSA187070  Ceanothus integerrimus var. puberulus E. C. Twisselmann 1966-7-13 12573 Kern Slope aouth of Mil Potreros. 1646 Comment
  RSA187074  Malacothamnus orbiculatus E. C. Twisselmann 1966-7-13 12572 Kern County Pak Headquarters near Apache Saddle. 1921 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
  RSA187123  Eriogonum nudum var. westonii E. C. Twisselmann 1966-4-26 12019 Kern Rand Mountains. Northwest flank of Government Peak at Salisbury Mine. 1326 Comment
  RSA195140  Eriogonum angulosum E. C. Twisselmann 1967-8-26 13574 Kern McGovern Grade, ca. 2 miles east of Annette. 488 Comment
  RSA195830  Nicotiana attenuata E. C. Twisselmann 1967-9-19 13717 Kern Summit ridge of Scodie (Kiahvah) Mountain. 1974 Comment
  RSA195872  Eriogonum covilleanum E. C. Twisselmann 1967-5-11 13020 Kern Cedar Canyon, 0.25 mile below Alec Cook Rocks 640 Comment
  RSA197226  Eriogonum covilleanum E. C. Twisselmann 1967-5-11 13020 Kern Cedar Canyon, 6 miles south of the Bitterwater Rd., (Same colony as my Nos. 1413, 11769) 640 Comment
  RSA202487  Lasthenia minor E. C. Twisselmann 1968-3-14 14054 Kern Cole property on the Corcoran Raod, 7 miles N of Hwy 46. 107 Comment
  RSA202489B  Descurainia pinnata subsp. glabra E. C. Twisselmann 1968-3-21 14061 Kern Scodie Mtns, Cholla Canyon, a fork of Kelso Canyon. 976 Comment
  RSA202561  Hesperostipa comata subsp. comata E. C. Twisselmann 1968-6-26 14492 Kern Kern Plateau, NW end of Rodeo Flat. 2195 Comment
  RSA202566  Solanum umbelliferum E. C. Twisselmann, Eben McMillan 1968-7-16 14585 Kern Ridge between Little Cannell Meadow and Fay Creek. 2317 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
  RSA209524  Clarkia xantiana E. C. Twisselmann 1957-6-5 3609 Kern Havilah Road; 1.8 miles south of Bodfish. 854 Comment
  RSA212044  Trifolium gracilentum E. C. Twisselmann 1969-4-5 15077 Kern Paine Nature Preserve, 2.1 miles north of Highway 46 on the Corcoran Highway. 91 Comment
  RSA216638  Caulanthus coulteri E. C. Twisselmann 1970-5-23 16605 Kern Greenhorn Range: high ridge north of the head of Lumreau Creek (the old Bull Road) 1402 Comment
  RSA216663  Azolla microphylla Ernest C. Twisselmann 1970-5-6 16499 Kern Sierra Nevada: Canebrake Creek at the Chimney Creek Road Crossing. 1005 Comment
  RSA217958A  Eremalche kernensis E. C. Twisselmann 1958-4-26 4378 Kern Hwy 33, about 6 miles north of McKittrick 244 Comment
  RSA220083  Delphinium parishii E. C. Twisselmann 1956-4-20 2668 Kern Near Jawbone Well, Jawbone Canyon 866 Comment
  RSA220208  Trianthema portulacastrum E. C. Twisselmann 1969-10-16 16291 Kern DiGiorgio Road, 0.5 mile west of Cottonwood Road. 91 Comment
  RSA220210  Atriplex argentea subsp. expansa E. C. Twisselmann 1969-10-16 16294 Kern Adobe Road, 1.5 miles south of Buena Vista Avenue. 91 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
  RSA220252  Stanleya pinnata E. C. Twisselmann 1969-5-21 15331 Kern Ridge east of freeway bridge. 777 Comment
  RSA221594  Juniperus californica E. C. Twisselmann 1970-5-6 16451 Kern Tehachapi Mountains: Cache Creek, 7 miles northwest of Mojave. 1204 Comment
  RSA221640  Heliotropium curassavicum var. oculatum E. C. Twisselmann 1970-5-6 16452 Kern Red Rock Canyon, Tarweed Creek. 762 Comment
  RSA223828  Sanicula graveolens E. C. Twisselmann 1964-6-10 9581 Kern Tecuya Ridge 2027 Comment
  RSA223831  Tauschia hartwegii E. C. Twisselmann 1966-5-20 12265 Kern High ridge about 4 miles N of Tehachapi. 1738 Comment
  RSA231947  Achillea millefolium E. C. Twisselmann 1971-7-15 17859 Kern South fork of the head of Bartolas Creek. 1982 Comment
  RSA303481  Eriogonum angulosum E. C. Twisselmann 1971-7-5 17813 Kern Hill west of Antelope Spring. 869 Comment
  RSA303482  Eriogonum covilleanum E. C. Twisselmann 1971-7-5 17815 Kern Microwave Canyon (a fork of Cedar Canyon) 831 Comment
  RSA304782  Asclepias californica E. C. Twisselmann 1971-6-20 17704 Kern Forks of the Kern. Kern Plateau. 1439 Comment
  RSA304897  Eriogonum roseum E. C. Twisselmann 1971-6-20 17769 Kern KR3 Power House, just above Kernville, Kern Canyon. 1143 Comment
  RSA305879  Juncus mexicanus Ernest C. Twisselmann 1971-6-20 17745 Kern Forks of the Kern. Kern Plateau. 1439 Comment
  RSA305906  Alopecurus carolinianus E. C. Twisselmann, Jack Zaninovich 1971-7-13 17983 Kern Fork of Cannell Creek on Pine Flat. 2177 Comment
  RSA318060  Atriplex canescens E. C. Twisselmann 1971-6-21 17800 Kern Kernville-Weldon Highway, 0.5 miles north-west of the South Fork bridge. 762 Comment
  RSA504717  Salix gooddingii E. C. Twisselmann 1972-9-22 19237 Kern Lake Isabella adjacent to old Kernville site. 816 Comment
  RSA505993  Salix lasiolepis E. C. Twisselmann 1971-7-15 17862 Kern Rattlesnake Meadow road 0.5 mil north of Bartolas Creek. 2027 Comment
  RSA515521  Clarkia heterandra E. C. Twisselmann 1963-7-27 8558 Kern North slope of Basket Peak. 1479 Comment
Read comments Apr 12 2009
  RSA516809  Epilobium ciliatum E. C. Twisselmann 1972-9-22 19197 Kern Poso Creek 1 miles west of Glennville. 915 Comment
  RSA540089  Erigeron multiceps E. C. Twisselmann 1971-4-25 17576 Kern Kern Canyon 823 Comment
  RSA563237  Juncus bufonius Ernest C. Twisselmann 1971-6-21 17788 Kern South Fork of Kern River, 0.5 mile below the Kernville Highway bridge. 762 Comment
  RSA563266  Verbena lasiostachys E. C. Twisselmann 1972-9-22 19254 Kern Bed of Lake Isabella about 1 mile south of Kernville airport. 762 Comment
  RSA584723  Trifolium ciliolatum E. C. Twisselmann 1963-5-17 8239 Kern Poso Creek Narrow 930 Comment
  SBBG103607  Nemophila pulchella var. pulchella E. C. Twisselmann 1963-6-27 8523 Kern NE flank of Hatchet Pk 1706 Comment
Read comments Mar 29 2016
  SBBG103631  Plagiobothrys bracteatus E. C. Twisselmann 1965-6-3 560 Kern Water Hole Flat (between Cedar Crk and Lumreau Crk) 883 Comment
  SBBG113978  Erodium botrys E. C. Twisselmann 1957-3-27 3287 Kern mesa on W side of mouth of Caliente Cyn 243 Comment
  SBBG14475  Chorizanthe xanti var. xanti E. C. Twisselmann 1962-4-19 7015 Kern hill just NW of mouth of Adobe Cyn, Poso Hills 205 Comment
  SBBG14481  Camissonia integrifolia E. C. Twisselmann 1962-5-7 7041 Kern mouth of Kelso Cyn at St Hwy 178 853 Comment
  SBBG14486  Trifolium willdenovii E. C. Twisselmann 1962-4-19 7012 Kern Poso Hills, ridge on W side of the mouth of Adobe Cyn 335 Comment
  SBBG14488  Deinandra pallida E. C. Twisselmann 1962-6-16 7284 Kern Antelope Plains at the mouth of Bitterwater Valley 320 Comment
  SBBG14494  Eschscholzia minutiflora E. C. Twisselmann 1962-4-10 6881 Kern NE of Soledad Mtn 762 Comment
  SBBG14503  Lupinus adsurgens var. undulatus E. C. Twisselmann 1962-5-7 7047 Kern Hwy 178, 0.2 mi W of Walker Pass Station 1394 Comment
  SBBG14507  Spergularia atrosperma E. C. Twisselmann 1962-5-8 7094 Kern Red Rock Cyn, ca. 0.25 mi above the freeway bridge 701 Comment
  SBBG14515  Eriogonum fasciculatum var. polifolium E. C. Twisselmann 1962-5-7 7052 Kern cyn N of El Paso Pk, El Paso Range 944 Comment
  SBBG14583  Eriogonum nudum var. indictum E. C. Twisselmann 1962-11-9 7939 Kern Carter Grade 670 Comment
  SBBG14657  Lythrum californicum E. C. Twisselmann 1962-11-14 7962 Kern Buena Vista Plains, ca. 3 mi SW of the end of Hill Rd 60 Comment
  SBBG14761  Potentilla gracilis var. fastigiata E. C. Twisselmann 1962-6-1 7267 Kern SW end of Cummings Valley 1150 Comment
  SBBG15000  Leptosyne calliopsidea E. C. Twisselmann 1962-4-10 6819 Kern Hwy 466, ca. 10.5 mi W of Boron 655 Comment
  SBBG15011  Erodium cicutarium E. C. Twisselmann 1962-4-10 6789 Kern Ridgecrest Rd, dry wash 6.8 mi N of Johannesburg 822 Comment
  SBBG15012  Streptanthella longirostris E. C. Twisselmann 1962-4-10 6797 Kern Ridgecrest Rd, 6.8 mi N of Johannesburg Comment
  SBBG15016  Plagiobothrys arizonicus E. C. Twisselmann 1962-4-10 6777 Kern mouth of Iron Cyn; El Paso Range 670 Comment
  SBBG15046  Cyperus niger E. C. Twisselmann 1962-8-27 7735 Kern Mill Crk on the W slope of Basket Pk 1127 Comment
  SBBG15048  Juncus macrophyllus E. C. Twisselmann 1962-9-20 7887 Kern Greenhorn Summit rd, 5.6 mi W of Wofford 1615 Comment
  SBBG15224  Mentzelia albicaulis E. C. Twisselmann 1962-6-22 7329 Kern French Meadow, Piute Mtns 2072 Comment
  SBBG15230  Medicago lupulina E. C. Twisselmann 1962-6-22 7317 Kern Weldon Meadow, Piute Mtns 2087 Comment
  SBBG15243  Eremogone ferrisiae E. C. Twisselmann 1962-7-19 7508 Kern slope above the Gwynne mine; Piute Mtns 2191 Comment
  SBBG15255  Galium matthewsii E. C. Twisselmann 1962-5-8 7125 Kern head of Short Cyn 1036 Comment
  SBBG15271  Lycium cooperi E. C. Twisselmann 1962-5-8 7149 Kern Indian Wells Cyn Comment
  SBBG15314  Phacelia congdonii E. C. Twisselmann 1962-6-21 7376 Kern Tejon Ranch, Winters Ridge 1371 Comment
  SBBG15323  Chamaesyce vallis-mortae E. C. Twisselmann 1962-5-8 7162 Kern mouth of Indian Wells Cyn 990 Comment
  SBBG15344  Cardamine californica E. C. Twisselmann 1962-4-18 6064 Kern Tejon Ranch, upper forks of Palos Altos Cyn 1310 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
  SBBG15358  Eleocharis parishii E. C. Twisselmann 1962-6-22 7319 Kern Weldon Meadow, Piute Mtns 2087 Comment
  SBBG15379  Mirabilis laevis var. villosa E. C. Twisselmann 1962-5-8 7134 Kern Box Cyn at the head of Short Cyn 1036 Comment
  SBBG18968  Leptosiphon parviflorus E. C. Twisselmann 1963-6-3 8336 Kern Black Bob Cyn, San Emigdio Range 1280 Comment
  SBBG19014  Lupinus benthamii E. C. Twisselmann 1963-5-17 8259 Kern Record Ranch, 0.75 mi E of the old Granite School 701 Comment
  SBBG19023  Ericameria palmeri var. pachylepis E. C. Twisselmann 1963-6-3 8346 Kern Salt Crk Cyn, San Emigdio Range 1028 Comment
  SBBG19407  Cryptantha nevadensis E. C. Twisselmann 1963-6-11 8418 Kern Erskine Cyn, Piute Mtns 1280 Comment
  SBBG19419  Spergularia macrotheca var. leucantha E. C. Twisselmann 1963-6-11 8449 Kern Scovern Hot Springs, below Isabella 762 Comment
  SBBG19421  Scutellaria siphocampyloides E. C. Twisselmann 1963-6-11 8435 Kern Erskine Crk, Piute Mtns 960 Comment
  SBBG19422  Castilleja minor subsp. spiralis E. C. Twisselmann 1963-6-11 8436 Kern Erskine Crk, Piute Mtns 960 Comment
  SBBG19428  Salvia carduacea E. C. Twisselmann 1963-4-18 8076 Kern Wheeler Ridge 487 Comment
  SBBG19436  Deinandra pallida E. C. Twisselmann 1963-4-12 8030 Kern mesa on S side of mouth of Tejon Crk 220 Comment
  SBBG19449  Astragalus asymmetricus E. C. Twisselmann 1963-4-9 8021 Kern Annette Hills, 0.25 mi S of Annette 670 Comment
  SBBG19457  Tropidocarpum gracile E. C. Twisselmann 1963-5-17 8258 Kern Record Ranch, Gremaud Gulch Comment
  SBBG19675  Plagiobothrys arizonicus E. C. Twisselmann 1963-5-11 8184 Kern Horse Cyn, Scodie (Kiavah) Mtn 1371 Comment
  SBBG19686  Minuartia douglasii E. C. Twisselmann 1963-5-17 8240 Kern above Poso Crk Narrows 929 Comment
  SBBG19694  Astragalus lentiginosus var. nigricalycis E. C. Twisselmann 1963-6-3 8320 Kern valley above Salt Crk Cyn on rd to Neasons Flat 1028 Comment
  SBBG20592  Rhamnus ilicifolia E. C. Twisselmann 1963-7-11 8753 Kern Cannell Crk Rd, 0.5 mi above Kern Cyn Hwy 944 Comment
  SBBG20743  Pinus monophylla E. C. Twisselmann 1963-8-8 8845 Kern cienegas near head of Tejon Crk 1645 Comment
  SBBG20797  Cenchrus incertus E. C. Twisselmann 1963-9-6 8950 Kern Poso Crk near Famosa Comment
  SBBG20806  Chorizanthe uniaristata E. C. Twisselmann 1963-6-25 8484 Kern summit above Drake Ridge 998 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
  SBBG20823  Castilleja linariifolia E. C. Twisselmann 1963-9-18 9034 Kern Kern River just above Kernville 838 Comment
  SBBG20844  Eriogonum temblorense E. C. Twisselmann 1955-6-5 2085 Kern Chico Martinez Cyn, Temblor Mtns 426 Comment
  SBBG20856  Sisymbrium altissimum E. C. Twisselmann 1963-5-10 8156 Kern Rosamond Blvd, 0.25 mi E of US Hwy 6 708 Comment
  SBBG20866  Acmispon strigosus E. C. Twisselmann 1964-6-10 9565 Kern Tecuya Ridge 1828 Comment
  SBBG20886  Cercocarpus ledifolius var. intermontanus E. C. Twisselmann 1964-6-10 9579 Kern W end of Tecuya Ridge 2077 Comment
  SBBG20901  Juncus bufonius E. C. Twisselmann 1963-7-9 8629 Kern Shirley Meadows 2011 Comment
  SBBG20902  Lindernia dubia var. anagallidea E. C. Twisselmann 1963-9-6 8970 Kern Poso Crk, 6.5 mi NW of Famosa 91 Comment
  SBBG20923  Sedella pumila E. C. Twisselmann 1964-5-15 9450 Kern Willow Crk on E slope of Blue Mtn 1158 Comment
  SBBG20933  Stephanomeria pauciflora E. C. Twisselmann 1963-8-2 8815 Kern Shale Hills, W of Blackwells Corner 396 Comment
  SBBG20940  Cornus sericea subsp. sericea E. C. Twisselmann 1963-8-8 8834 Kern cienegas near the head of Tejon Crk 1615 Comment
  SBBG20951  Gilia brecciarum subsp. brecciarum E. C. Twisselmann 1962-5-8 7151 Kern Indian Wells Cyn 1554 Comment
  SBBG20958  Dichelostemma volubile E. C. Twisselmann 1963-6-27 8512 Kern Mill Crk at Burnt Trough Springs 1371 Comment
  SBBG21009  Monardella candicans E. C. Twisselmann 1963-6-27 8491 Kern Farnsworth Ranch, 2 mi S of Glennville 883 Comment
  SBBG21013  Poa pratensis E. C. Twisselmann 1963-6-27 8538 Kern Pettit Meadow 1447 Comment
  SBBG21017  Equisetum laevigatum E. C. Twisselmann 1963-6-27 8534 Kern Pettit Meadow 1447 Comment
  SBBG21020  Poa secunda E. C. Twisselmann 1963-6-27 8556 Kern N slope of Basket Peak 1478 Comment
  SBBG21047  Clarkia dudleyana E. C. Twisselmann 1963-6-27 8500 Kern E slope of Cedar Crk at mouth of Fulton Crk 1036 Comment
  SBBG21069  Elymus elymoides E. C. Twisselmann 1964-5-7 9358 Kern Rosamond Lake, near the north end; Edwards Air Force Base 601 Comment
  SBBG21071  Salix scouleriana E. C. Twisselmann 1964-7-23 9791 Kern saddle between Cane Peak and Black Mtn 2011 Comment
  SBBG21078  Sisyrinchium halophilum E. C. Twisselmann 1964-6-21 9680 Kern Bear Valley 1280 Comment
  SBBG21097  Mentzelia involucrata E. C. Twisselmann 1964-5-6 9310 Kern Jawbone Cyn at the aqueduct 762 Comment
  SBBG21116  Ribes nevadense E. C. Twisselmann 1964-7-23 9802 Kern N slope of Black Mtn 1844 Comment
  SBBG21125  Astragalus hornii E. C. Twisselmann 1964-7-17 9709 Kern Panama Rd, 1.8 mi W of Buena Vista School 99 Comment
  SBBG21146  Bowlesia incana E. C. Twisselmann 1964-6-21 9667 Kern Water Crk on the S side of Bear Mtn 1569 Comment
  SBBG21164  Plagiobothrys tenellus E. C. Twisselmann 1964-4-25 9255 Kern slope on S side of Howling Gulch, ca. 3 mi SE of Woody 822 Comment
  SBBG21173  Castilleja applegatei subsp. martinii E. C. Twisselmann 1964-6-10 9575 Kern W end of Tecuya Ridge 2072 Comment
  SBBG21184  Chaenactis glabriuscula var. glabriuscula E. C. Twisselmann 1964-4-25 9224 Kern Delano Rd, ca. 1.5 mi W of Woody 502 Comment
  SBBG21264  Amsinckia eastwoodiae E. C. Twisselmann 1964-5-15 9418 Kern N flank of Blue Mtn 1158 Comment
  SBBG21543  Acmispon procumbens var. procumbens E. C. Twisselmann 1964-6-21 9688 Kern cyn at the E end of Bear Valley 1310 Comment
  SBBG21565  Ericameria paniculata E. C. Twisselmann 1964-10-20 10297 Kern plain N of Koehn Lake 579 Comment
  SBBG21576  Echinochloa crus-galli E. C. Twisselmann 1964-9-29 10271 Kern Kern Nat Wildlife Refuge Comment
  SBBG21647  Cryptantha simulans E. C. Twisselmann 1964-7-23 9803 Kern N slope of Black Mtn 1889 Comment
  SBBG21697  Hieracium albiflorum E. C. Twisselmann 1964-7-25 9934 Kern Summit Rd, 1.5 mi S of Greenhorn Summit Store 1981 Comment
  SBBG21711  Symphyotrichum frondosum E. C. Twisselmann 1964-8-22 10162 Kern Monolith 1200 Comment
  SBBG23445  Mirabilis multiflora E. C. Twisselmann 1965-5-27 10868 Kern Poso Station, just W of the Poso Crk bridge 213 Comment
  SBBG23537  Convolvulus simulans E. C. Twisselmann 1965-4-26 10597 Kern Adobe Knoll at the head of Adobe Cyn 502 Comment
  SBBG23562  Plagiobothrys bracteatus E. C. Twisselmann 1965-5-27 10872 Kern vernal pool along Fugitt Rd at the NW end of Lynns Valley [Linns Valley] 914 Comment
  SBBG23566  Amsinckia tessellata E. C. Twisselmann 1965-6-18 11027 Kern ridge between San Emigdio Cyn and Little Pleito Cyn 807 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
  SBBG23586  Cryptantha nevadensis var. nevadensis E. C. Twisselmann 1965-6-3 10945 Kern hill E of Bodfish Gap, NW end of Piute Mtn 1234 Comment
  SBBG23594  Monardella exilis E. C. Twisselmann 1965-5-5 10687 Kern NE end of Buckhorn Lake; Edwards Air Force Base 754 Comment
  SBBG23610  Diplacus fremontii E. C. Twisselmann 1965-5-18 10825 Kern NE end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  SBBG23818  Plagiobothrys torreyi E. C. Twisselmann 1965-7-27 11240 Kern meadow at Breckenridge Public Camp 2065 Comment
  SBBG23841  Eriogonum temblorense E. C. Twisselmann 1965-7-4 11111 Kern Chico Martinez Cyn, Temblor Mtns 365 Comment
  SBBG23860  Eschscholzia parishii E. C. Twisselmann 1965-5-6 10740 Kern Mesquite Cyn, El Paso Range 731 Comment
  SBBG23880  Glycyrrhiza lepidota E. C. Twisselmann 1965-5-6 10742 Kern mouth of Mesquite Cyn, El Paso Range 701 Comment
  SBBG23891  Collinsia bartsiifolia var. davidsonii E. C. Twisselmann 1965-5-5 10680 Kern NE end of Buckhorn Lake, Edwards Air Force Base 754 Comment
  SBBG23892  Amsinckia eastwoodiae E. C. Twisselmann 1965-4-21 10558 Kern mouth of El Paso Cyn 541 Comment
  SBBG23898  Sporobolus airoides E. C. Twisselmann 1965-5-5 10674 Kern NE end of Buckhorn Lake, Edwards Air Force Base 754 Comment
  SBBG23904  Emmenanthe penduliflora var. penduliflora E. C. Twisselmann 1965-5-6 10736 Kern Mesquite Cyn, El Paso Range 731 Comment
  SBBG23916  Cymopterus panamintensis E. C. Twisselmann 1965-5-6 10729 Kern summit of Mesquite Cyn, El Paso Range 1158 Comment
  SBBG23935  Astragalus trichopodus var. phoxus E. C. Twisselmann 1965-5-18 10861 Kern slope just S of old Lebec Hotel, Lebec 1097 Comment
  SBBG23939  Stephanomeria pauciflora E. C. Twisselmann 1965-7-23 11073 Kern N side of Antelope Valley, below Sacratarius [Sacatara] Cyn 1203 Comment
Read comments Apr 10 2012
  SBBG23946  Frangula californica subsp. tomentella E. C. Twisselmann 1965-6-18 11031 Kern potrero in upper San Emigdio Cyn 762 Comment
  SBBG23950  Schismus arabicus E. C. Twisselmann 1965-5-5 10648 Kern NW end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  SBBG23954  Lepidium dictyotum E. C. Twisselmann 1965-3-17 10466 Kern Goose Lake Canal near the S boundary of the Kern Wildlife Refuge 68 Comment
  SBBG23964  Chorizanthe xanti var. xanti E. C. Twisselmann 1965-6-24 11091 Kern Aqueduct Rd, tributary of Pastoria Cyn, Tejon Ranch 1005 Comment
  SBBG23973  Streptanthella longirostris E. C. Twisselmann 1965-5-5 10700 Kern between Buckhorn and Rogers Lakes, Edwards Air Force Base 731 Comment
  SBBG23980  Collinsia childii E. C. Twisselmann 1965-6-4 10982 Kern Pettit Meadow 1447 Comment
  SBBG23984  Limnanthes montana E. C. Twisselmann 1965-6-4 10960 Kern Wagy Crk at the Wagy Flat Rd 1234 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
  SBBG24037  Apium graveolens E. C. Twisselmann 1965-6-18 11038 Kern potrero in upper San Emigdio Cyn 762 Comment
  SBBG24094  Crataegus monogyna E. C. Twisselmann 1965-6-3 10940 Kern South Fork Valley, jct of Walker Pass Hwy and Kernville Hwy, W of Weldon, near an irrigated field 822 Comment
  SBBG24107  Galium parisiense E. C. Twisselmann 1965-7-29 11387 Kern W side of Lynns Valley [Linns Valley] on Fugitt Rd 960 Comment
  SBBG24119  Gilia modocensis E. C. Twisselmann 1964-6-10 9553 Kern Tecuya Ridge 1950 Comment
  SBBG24121  Spergularia rubra E. C. Twisselmann 1965-7-29 11380 Kern Shirley Meadows 2072 Comment
  SBBG24136  Solanum xanti E. C. Twisselmann 1965-7-6 11154 Kern Tehachapi Mtn Park 1828 Comment
  SBBG24149  Navarretia mitracarpa E. C. Twisselmann 1965-7-4 11109 Kern summit between Black Cyn and Mesa Ridge 1097 Comment
  SBBG24167  Erigeron lonchophyllus E. C. Twisselmann 1965-7-28 11306 Kern Taylor Meadow 2179 Comment
  SBBG24221  Plagiobothrys hispidulus E. C. Twisselmann 1965-7-27 11196 Kern Breckenridge Mtn Rd, 1.2 mi E of Munzer Meadow 2042 Comment
  SBBG24222  Polygonum douglasii E. C. Twisselmann 1965-7-27 11198 Kern Mill Crk at Breckenridge Mtn Rd 2072 Comment
  SBBG24228  Salix lasiolepis E. C. Twisselmann 1965-7-27 11179 Kern Breckenridge Mtn Rd at the S fork of upper Lucas Crk 1874 Comment
  SBBG24318  Solanum xanti E. C. Twisselmann 1965-6-23 11077 Kern Lebec, slope just S of the old hotel 1295 Comment
  SBBG25987  Acmispon procumbens var. procumbens E. C. Twisselmann 1966-6-9 12368 Kern Noonday Rest (divide between Horse and Pine Tree Cyns) 1524 Comment
  SBBG25999  Nama californica E. C. Twisselmann 1966-5-10 12128 Kern W end of King Solomon's Ridge; Piute Mtns 1463 Comment
  SBBG26009  Eriophyllum ambiguum E. C. Twisselmann 1966-5-10 12127 Kern W end of King Solomon's Ridge; Piute Mtns 1463 Comment
  SBBG26047  Eschscholzia glyptosperma E. C. Twisselmann 1966-4-13 11827 Kern plains E of Ridgecrest along County Line Rd 719 Comment
  SBBG26069  Penstemon labrosus E. C. Twisselmann 1966-7-13 12586 Kern NE end of Mt Pinos summit 2679 Comment
  SBBG26078  Eriogonum spergulinum var. reddingianum E. C. Twisselmann 1966-7-13 12612 Kern cienega below Iris Point, Mt Pinos 2468 Comment
  SBBG26125  Eschscholzia caespitosa E. C. Twisselmann 1966-5-10 12144 Kern Haight Cyn, 0.8 mi E of Havilah; Piute Mtns 975 Comment
  SBBG26146  Pectocarya penicillata E. C. Twisselmann 1966-5-10 12117 Kern W end of King Solomon's Ridge; Piute Mtns 1516 Comment
  SBBG26154  Mimulus palmeri E. C. Twisselmann 1966-3-29 11762 Kern Red Rock Cyn 762 Comment
  SBBG26164  Malacothrix glabrata E. C. Twisselmann 1966-3-28 11758 Kern Belridge Plains, ca. 1.5 mi W of Middlewater Pump Station 243 Comment
  SBBG26173  Larrea tridentata E. C. Twisselmann 1966-4-26 12002 Kern S side of Galileo Hill, S of W end of Rand Mtns 1021 Comment
  SBBG26196  Loeseliastrum matthewsii E. C. Twisselmann 1966-4-26 12012 Kern Government Pk, Rand Mtns 1325 Comment
  SBBG26204  Brickellia californica E. C. Twisselmann 1966-8-26 12726 Kern Cedar Crk, ca. 0.25 mi below the mouth of Lumreau Crk 792 Comment
  SBBG26225  Epilobium canum subsp. latifolium E. C. Twisselmann 1966-9-8 12768 Kern cyn SW of the Y Camp in upper San Emigdio Cyn 1767 Comment
  SBBG26246  Cryptantha nevadensis var. rigida E. C. Twisselmann 1966-4-20 11976 Kern summit of Black Cyn 1112 Comment
  SBBG26254  Ceanothus leucodermis E. C. Twisselmann 1966-5-20 12295 Kern W slope of Kain Peak 1737 Comment
  SBBG26264  Thysanocarpus curvipes E. C. Twisselmann 1966-5-20 12255 Kern head of Tweedy Crk, E of Keene 1615 Comment
  SBBG26273  Quercus chrysolepis E. C. Twisselmann 1966-5-20 12293 Kern W slope of Kain Peak 1737 Comment
  SBBG26303  Brickellia desertorum E. C. Twisselmann 1966-10-13 12889 Kern Last Chance Cyn, El Paso Range 731 Comment
  SBBG26307  Lessingia glandulifera var. glandulifera E. C. Twisselmann 1966-9-8 12780 Kern Cuddy Valley 1645 Comment
  SBBG26315  Osmorhiza brachypoda E. C. Twisselmann 1966-5-20 12239 Kern ridge at the head of Tweedy Crk, E of Keene 1539 Comment
  SBBG32180  Solanum xanti E. C. Twisselmann, E. McMillan 1968-7-16 14585 Kern ridge between Little Cannell Meadow and Fay Crk 2316 Comment
  SBBG32200  Camissonia kernensis subsp. kernensis E. C. Twisselmann, E. McMillan, C. F. Smith 1968-4-24 14084 Kern Cyrus Cyn, E of Kern Valley 1036 Comment
  SBBG38497  Datura wrightii E. C. Twisselmann 1969-6-21 15636 Kern Agua Media Wash, Antelope Plains 243 Comment
  SBBG38512  Atriplex argentea var. expansa E. C. Twisselmann 1969-10-16 16284 Kern DiGiorgio Rd, ca. 0.7 mi E of Cottonwood Rd 91 Comment
  SBBG38550  Cuscuta salina var. salina E. C. Twisselmann 1969-10-16 16280 Kern DiGiorgio Rd, 0.6 mi E of Cottonwood Rd 91 Comment
  SBBG38625  Distichlis spicata E. C. Twisselmann 1969-5-21 15379 Kern Tarweed Crk, Red Rock Cyn 762 Comment
  SBBG44356  Papaver hybridum E. C. Twisselmann 1962-4-8 6770 Kern ca. 3 mi W of Pt of Rocks 274 Comment
  SBBG44361  Loeflingia squarrosa E. C. Twisselmann, E. McMillan, C. F. Smith 1968-5-22 14227 Kern dunes between the old Pancho Barnes place and Buckhorn Dry Lake, Edwards Air Force Base 746 Comment
  SBBG47325  Viola sheltonii E. C. Twisselmann 1963-6-27 8551 Kern N slope of Basket Peak 1478 Comment
  SBBG50493  Vitis girdiana E. C. Twisselmann 1961-8-22 6525 Kern Grapevine Cyn, W of Indian Wells Valley 1066 Comment
  SBBG8560  Lessingia leptoclada E. C. Twisselmann 1962-8-27 7717 Kern W slope of Basket Peak Comment
  SD131119  Mentzelia veatchiana Ernest C. Twisselmann 1971-4-26 17656 Kern Broad mesa in Cyrus Canyon. 837 Comment
  SD135577  Allophyllum violaceum Ernest C. Twisselmann 1967-6-26 13395 Kern Fay Creek at the Little Cannell Meadow forest road. 1951 Comment
  SD135580  Allophyllum gilioides Ernest C. Twisselmann 1960-4-2 5922 Kern Fay Canyon, 4.7 miles north of Weldon. 1082 Comment
  SD135588  Fraxinus latifolia Ernest C. Twisselmann 1965-10-1 11673 Kern Cedar Creek gorge, just below the stone corral. 853 Comment
  SD135609  Cuscuta suksdorfii Ernest C. Twisselmann, Eben McMillan 1968-7-16 14603 Kern True Meadow 2165 Comment
  SD135636  Cryptantha flaccida Ernest C. Twisselmann 1971-4-26 17605 Kern Kern Canyon: Highway just above KR3 Power House 825 Comment
  SD135638  Cryptantha flaccida Ernest C. Twisselmann 1961-5-4 6085 Kern Eugene Grade 1160 Comment
  SD147469  Diplacus constrictus Ernest C. Twisselmann 1963-7-10 8675 Kern The Kern Plateau. Fork of Cannell Creek on Pine Flat 2164 Comment
  SD147477  Lindernia dubia Ernest C. Twisselmann 1961-7-27 6462 Kern Kern River at Borel Intake (east of Wofford) 2575 Comment
  SD147486  Collinsia tinctoria Ernest C. Twisselmann 1964-7-24 9862 Kern Trail to Little Cannell Meadow above Pine Flat, in a ravine 2240 Comment
  SD147502  Castilleja linariifolia Ernest C. Twisselmann 1963-9-18 9034 Kern Kern River just above Kernville 837 Comment
  SD147576  Lupinus lepidus var. confertus Ernest C. Twisselmann 1964-7-24 9883 Kern Pine Flat 2165 Comment
  SD147603  Pseudostellaria jamesiana Ernest C. Twisselmann 1963-7-9 8615 Kern Greenhorn Range, summit of Shirley Peak. 2120 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
  SD147628  Juncus xiphioides Ernest C. Twisselmann 1961-7-27 6448 Kern Sierra Nevada, Kern River, opposite the Kernville Cemetery. Common along the edge of the river. 792 Comment
  SD147652  Juncus macrandrus Ernest C. Twisselmann 1961-7-27 6423 Kern Sierra Nevada, Cow Creek, below Tiger Flat, uncommon in moist sandy soil along a recently dried creek bottom. 1920 Comment
  SD149105  Verbena bracteata Ernest C. Twisselmann 1972-9-22 19253 Kern Bed of Lake Isabella about 1 mile south of Kernville airport 762 Comment
  SEINET10377949  Carex bolanderi Ernest C. Twisselmann 1961-7-27 6417 Kern Sierra Nevada, Greenhorn Range, Cow Creek below Tiger Flat 1920 Comment
  SEINET7977243 Image available Juncus exiguus Ernest C. Twisselmann 1957-8-5 3942 Kern Greenhorn Range, Portugese Pass Road, 0.7 miles north of Tiger Flat 2042 Comment
  UC1195411  Gutierrezia californica Ernest C. Twisselmann 1957-11-7 4121 B Kern n end Chico Martinez Hills; Temblor Range, Western San Joaquin Valley, Chico Martinez Hi 274 Comment
  UC1195412  Gutierrezia californica Ernest C. Twisselmann 1957-11-7 4122 Kern shale hills 0.5 mi se mouth of the Agua Media Canyon; Temblor Range, Western San Joaquin Valley 297 Comment
  UCD100144  Polygonum aviculare subsp. depressum Ernest C. Twisselmann 1961-10-5 6617 Kern Hart Memorial Park. 152 Comment
  UCD100156  Polygonum aviculare subsp. depressum Ernest C. Twisselmann 1964-9-16 10199 Kern Spring at the east end of Landers Meadow, Piute Mountains. 1981 Comment
  UCD100752  Eriogonum ordii Ernest C. Twisselmann 1965-5-27 10864 Kern Round Mountain Road, 1.4 miles south of the summit of Round Mountain. 423 Comment
  UCD101075  Rumex acetosella Ernest C. Twisselmann 1964-7-25 9966 Kern The Greenhorn Range. Lynns Valley at the Henry Bowen Ranch. 975 Comment
  UCD101421  Eriogonum umbellatum var. bahiiforme Ernest C. Twisselmann 1961-8-22 6529 Kern Walker Pass. 1600 Comment
  UCD101581  Eriogonum wrightii var. trachygonum Ernest C. Twisselmann 1972-9-22 19226 Kern above Lake Isabella. 822 Comment
  UCD102824  Vitis californica Ernest C. Twisselmann 1959-7-4 5428 Kern Eastern San Joaquin Valley. Kern River. Canal about 0.75 mile S of China Grade Bridge, Bakersfield. 129 Comment
  UCD102917  Ammannia robusta Ernest C. Twisselmann 1961-10-5 6583 Kern Temblor Range and the Western San Joaquin Valley. Buttonwillow region. Tupman Highway, 1/4 mile S of Adohr Road. 91 Comment
  UCD103085  Erodium botrys Ernest C. Twisselmann 1959-5-7 5202 Kern Choice Valley Road, 3/8 mile north of the Choice Valley School, Shandon. 601 Comment
  UCD104620  Astragalus acutirostris Ernest C. Twisselmann 1958-4-24 4369 Kern Mohave-Randsburg Region. Desert plain 6 miles east of Mojave. Shandon, CA. 822 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
  UCD104899  Astragalus layneae Ernest C. Twisselmann 1958-4-17 4298 Kern Mohave-Randsburg Region. U.S. 466, 10.3 miles west of Boron. Shandon, CA. 800 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
  UCD105040  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1958-4-17 4306 Kern Mohave-Randsburg Region. 6 miles east of Mojave. Shandon, CA. 845 Comment
  UCD105079  Rumex crispus Ernest C. Twisselmann 1959-7-4 5425 Kern Eastern San Joaquin Valley. Bakersfield District: Olive Road, 1.3 miles west of Highway U.S. 99. 121 Comment
  UCD105263  Astragalus purshii var. tinctus Ernest C. Twisselmann 1958-5-6 4395 Kern Tehachapi-Kernville Region. Old Tehachapi Road, 4.6 miles east of Keene. Shandon, CA. 1028 Comment
  UCD105602  Caesalpinia gilliesii Ernest C. Twisselmann 1960-8-21 5987 Kern Temblor Range and the Western San Joaquin Valley. Ernest Still Ranch, 0.5 mile south of Annette. Shandon, CA. 640 Comment
  UCD107110  Ludwigia peploides Ernest C. Twisselmann 1961-7-27 6456 Kern Sierra Nevada. Kern River at Borel Intake (east of Wofford). 784 Comment
  UCD108228  Prosopis glandulosa var. torreyana Ernest C. Twisselmann 1962-11-14 7954 Kern Eastern side of county, east of Buena Vista Lake. 64 Comment
  UCD111463  Trifolium microcephalum Ernest C. Twisselmann 1961-5-23 6172 Kern Tejon Ranch: El Paso Canyon, about 0.5 mile above the Meadows Place. 1097 Comment
  UCD111842  Urtica urens Ernest C. Twisselmann 1962-4-9 6879 Kern Eastern San Joaquin Valley. Arvin region. Rockpile Road at Panama Road. 251 Comment
  UCD112897  Amelanchier pallida Ernest C. Twisselmann 1962-6-1 7245 Kern Tehachapi Mountains. Water Canyon at the Ryan Ranch. 1676 Comment
  UCD114773  Descurainia pinnata subsp. glabra Ernest C. Twisselmann 1962-4-9 6892 Kern South Fork Valley, 5.7 miles west of Onyx, along an old canal bank in South Fork Valley. 746 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
  UCD115187  Hirschfeldia incana Ernest C. Twisselmann 1962-11-14 8001 Kern Tejon Ranch service road at the head of Grapevine Canyon. 990 Comment
  UCD115335  Lepidium appelianum Ernest C. Twisselmann 1962-6-1 7253 Kern Highland Road at the southwest end of Tehachapi Valley. 1295 Comment
  UCD115540  Sisymbrium altissimum Ernest C. Twisselmann 1963-4-12 8043 Kern east side of county, at the mouth of the Tejon Canyon. 243 Comment
  UCD116950  Schinus molle Ernest C. Twisselmann 1960-4-2 5946 Kern Kern Canyon: north bank of the river, 0.75 mile east of the canyon mouth. 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
  UCD118946  Amsinckia eastwoodiae Ernest C. Twisselmann 1965-4-21 10558 Kern Tehachapi Mountains. Mouth of El Paso Canyon. 541 Comment
  UCD119705  Amsinckia intermedia Ernest C. Twisselmann 1959-5-21 5239 Kern Southwest flank of Bohna Peak, Shandon. 1767 Comment
  UCD119856  Amsinckia tessellata Ernest C. Twisselmann 1963-5-10 8169 Kern Boron Hills: California City road 0.5 mile north of Highway U.S. 466. 731 Comment
  UCD119906  Amsinckia vernicosa Ernest C. Twisselmann 1962-4-1 6747 Kern Summit of Firebreak Grade. Shandon, CA. 830 Comment
  UCD121208  Asclepias erosa Ernest C. Twisselmann 1961-8-22 6467 Kern Mojave Road, 7 miles west of California City. Shandon, CA. 838 Comment
  UCD121227  Asclepias californica Ernest C. Twisselmann 1963-6-11 8434 Kern Erskine Canyon, Piute Mountains. 1051 Comment
  UCD121570  Galium angustifolium Ernest C. Twisselmann 1954-5-13 1223 Kern Drake Ridge: 12 miles northwest of McKitrick. Shandon, CA. 792 Comment
  UCD122839  Mimulus pictus Ernest C. Twisselmann 1965-4-26 10594 Kern Granite Road, near the old Granite School. 807 Comment
  UCD125019  Marrubium vulgare Ernest C. Twisselmann 1961-10-31 6686 Kern Mohave-Randsburg Region; Willow Springs region: Hamilton Road at Willow Springs Road. 731 Comment
  UCD125063  Mentha canadensis Ernest C. Twisselmann 1964-7-25 9944 Kern Lynns Valley at the Henry Bowen Ranch. 975 Comment
  UCD125885  Trichostema ovatum Ernest C. Twisselmann 1962-8-27 7705 Kern San Joaquin Valley, Poso Hills, ca. 3 miles west of Poso Oil Field. 129 Comment
Read comments Oct 23 2013
  UCD126320  Cuscuta indecora var. indecora Ernest C. Twisselmann 1961-8-22 6531 Kern South Fork Valley, 2 miles east of Weldon. Tehachapi-Kernville Region. 1889 Comment
  UCD126461  Schedonorus arundinaceus Ernest C. Twisselmann 1963-6-11 8428 Kern Erskine Canyon, Piute Mountains, along Erskine Creek. 1188 Comment
  UCD126570  Ipomoea purpurea Ernest C. Twisselmann 1963-9-6 8963 Kern west end of Woolloomes Road, Delano region. San Joaquin Valley. 114 Comment
  UCD126638  Datura wrightii Ernest C. Twisselmann 1961-10-5 6618 Kern Kern River at Hart Memorial Park. 152 Comment
  UCD126723  Nicotiana quadrivalvis Ernest C. Twisselmann 1961-7-27 6450 Kern Isabella Lake bed east of the Kernville Cemetery. 792 Comment
  UCD127329  Conium maculatum Ernest C. Twisselmann 1964-7-25 9952 Kern Lynns Valley at the Henry Bowen Ranch. 975 Comment
  UCD127510  Foeniculum vulgare Ernest C. Twisselmann 1964-8-20 10072 Kern Tehachapi-Kernville Region. Isabella alkali flats. 762 Comment
  UCD129609  Blepharizonia laxa Ernest C. Twisselmann 1958-10-19 4884 Kern Cedar Canyon, western Kern County. 624 Comment
  UCD131245  Eclipta prostrata Ernest C. Twisselmann 1963-9-6 8953 Kern Lake Woolloomes, near Delano. 114 Comment
  UCD132330  Euthamia occidentalis Ernest C. Twisselmann 1962-11-14 8007 Kern Fort Tejon. 975 Comment
  UCD133609  Laennecia coulteri Ernest C. Twisselmann 1962-11-14 7943 Kern San Joaquin Valley, Buena Vista Slough, 2 miles northwest of Tupman. 83 Comment
  UCD134229  Madia elegans Ernest C. Twisselmann 1961-7-27 6401 Kern Lynn Valley, 5.5 miles northwest of Glenville. 1005 Comment
  UCD134609  Matricaria discoidea Ernest C. Twisselmann 1962-6-1 7262 Kern Shandon. Norhtwest end of Cummings Valley, Tehachapi Mountains. 1158 Comment
  UCD137166  Xanthium strumarium Ernest C. Twisselmann 1965-7-29 11373 Kern Kern River at the upper town limits of Kernville. 815 Comment
  UCD137779  Ceratophyllum demersum Ernest C. Twisselmann 1964-7-25 9967 Kern The Greenhorn Range. Poso Creek at the Henry Bowen Ranch. 975 Comment
  UCD138131  Elodea canadensis Ernest C. Twisselmann 1961-8-21 6522 Kern Kern River at Hart Memorial Park. 152 Comment
  UCD138263  Potamogeton crispus Ernest C. Twisselmann 1958-9-3 4761 Kern Eastern San Joaquin Valley. Kern River, 2.2 miles west of Stockdale Country Club. 114 Comment
  UCD141129  Cyperus odoratus Ernest C. Twisselmann 1964-9-29 10227 Kern The Kern National Wildlife Refuge. Goose Lake Canal. 76 Comment
  UCD142664  Euphorbia ocellata Ernest C. Twisselmann 1972-9-22 19230 Kern Sierra Nevada. Lake Isabella adjacent to old Kernville site. 815 Comment
  UCD45493  Quercus chrysolepis Ernest C. Twisselmann 1963-8-8 8867 Kern Slope just west of Tejon Pass. Elevation: 5100 feet. 1554 Comment
  UCD45508  Quercus chrysolepis Ernest C. Twisselmann 1964-7-23 9792 Kern Saddle between Cane Peak and Black Mountain, Kern County. Elevation: 6600 feet, yellow pine forest. 2011 Comment
  UCD45691  Quercus douglasii Ernest C. Twisselmann 1965-10-5 11683 Kern Don's Canyon, a fork of upper Cedar Canyon, Kern County. Elevation: 1800 feet. California juniper association. 548 Comment
  UCD45720  Quercus douglasii Ernest C. Twisselmann 1964-9-16 10170 Kern North end of Piute Mountain: Saddle Springs Road ca. 3 miles above Bodfish Gap. Elevation: 5200 feet, California juniper association. 1584 Comment
  UCD46138  Quercus garryana var. semota Ernest C. Twisselmann 1958-8-13 4635 Kern Greenhorn Pass Road, 3 miles east of Fulton Ranger Station, Kern County. Shandon, California. 1280 Comment
  UCD46249  Quercus john-tuckeri Ernest C. Twisselmann 1953-9-4 740 Kern Middle of Mesa Ridge, 3 miles west of Carneros Rocks, Kern County. 914 Comment
  UCD46680  Quercus kelloggii Ernest C. Twisselmann 1964-6-21 9635 Kern Summit of the east flank of Bear Mountain. 1981 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
Read comments Dec 12 2013
  UCD50373  Achnatherum hymenoides Ernest C. Twisselmann 1962-6-22 7337 Kern Kern County, California. Crest of Piute Mountain, 0.6 miles north of Bodfish-Walker Basin road junction. Jeffrey pine forest. 2491 Comment
Read comments May 30 2013
  UCD56199  Avena barbata Ernest C. Twisselmann 1959-5-21 5223 Kern Sierra Nevada. Greenhorn Range. Shandon. West slope of Bohna Peak. 1722 Comment
  UCD57584  Bromus arenarius Ernest C. Twisselmann 1959-4-21 5069 Kern Temblor Range and Western San Joaquin Valley. Annette Region: San Andreas Fault just north of Carter Grade. 579 Comment
  UCD57954  Chloris virgata Ernest C. Twisselmann 1965-8-20 11535 Kern Sierra Nevada, The Greenhorn Range, ca. 2 miles west of Wofford, Greenhorn Pass Road. 1066 Comment
  UCD58411  Bromus catharticus Ernest C. Twisselmann 1963-5-10 8146 Kern The Mojave-Randsburg Region. The Mojave Desert. Farmlands 2 miles south of Cantil. 640 Comment
  UCD58868  Bromus japonicus Ernest C. Twisselmann 1961-5-4 6066 Kern Sierra Nevada. Greenhorn Range. Greenhorn Pass Road, 10.8 miles east of Glennville. 1325 Comment
  UCD59091  Bromus carinatus var. marginatus Ernest C. Twisselmann 1965-7-27 11262 Kern Tehachapi-Kernville Region. Squirrel Meadow, Breckenridge Mountain. 2072 Comment
  UCD59223  Bromus carinatus var. marginatus Ernest C. Twisselmann 1962-6-1 7228 Kern Tehachapi Mountains. Northwest slope of Tehachapi Peak. 1950 Comment
  UCD59648  Bromus rubens Ernest C. Twisselmann 1963-4-18 8064 Kern San Emigdio Range and the Mt. Pinos Region. San Emigdio Canyon. 563 Comment
  UCD59862  Bromus tectorum Ernest C. Twisselmann 1958-5-27 4475 Kern Sierra Nevada, The Greenhorn Range. Wagy Flat Road, 7.6 miles east of the summit. 1249 Comment
  UCD60041  Bromus tectorum var. glabratus Ernest C. Twisselmann 1963-5-11 8180 Kern Tehachapi-Kernville Region. Horse Canyon, Scodie (Kiavah) Mountain. 1615 Comment
Read comments Jul 24 2012
  UCD61117  Deschampsia cespitosa Ernest C. Twisselmann 1966-7-13 12594 Kern Cienega at the head of Bitter Creek. 2590 Comment
  UCD62962  Eragrostis cilianensis Ernest C. Twisselmann 1961-8-22 6539 Kern South Fork Valley, 2 miles east of Weldon. 792 Comment
  UCD62975  Eragrostis cilianensis Ernest C. Twisselmann 1962-11-14 7988 Kern East Side Kern Co.: Taft Highway, 0.6 mile east of Old River. 105 Comment
  UCD62976  Eragrostis cilianensis Ernest C. Twisselmann 1961-8-22 6539 Kern South Fork Valley, 2 miles west of Weldon. 792 Comment
  UCD63497  Lamarckia aurea Ernest C. Twisselmann 1965-4-21 10564 Kern Tehachapi Mountains, mouth of El Paso Canyon. 541 Comment
  UCD63501  Lamarckia aurea Ernest C. Twisselmann 1965-4-14 10540 Kern the Greenhorn Range; foot of Rattlesnake Grade. 396 Comment
  UCD63580  Deschampsia elongata Ernest C. Twisselmann 1962-8-27 7722 Kern West slope of Basket Peak. 1676 Comment
  UCD63719  Deschampsia elongata Ernest C. Twisselmann; Eben McMillan 1968-7-16 14564 Kern Kern and Tulare Counties: Little Cannell Meadow. 2179 Comment
  UCD63732  Deschampsia elongata Ernest C. Twisselmann 1965-7-27 11206 Kern Mill Creek at Breckenridge Mountain Road. 2072 Comment
  UCD63827  Eragrostis mexicana subsp. virescens Ernest C. Twisselmann 1961-8-22 6536 Kern South Fork Valley, 2 miles east of Weldon. 792 Comment
  UCD63830  Leptochloa fusca subsp. fascicularis Ernest C. Twisselmann 1961-8-21 6491 Kern Sierra Nevada, Isabella Lake bed: old Kern River channel about 1/4 mi. south of the old Borel Canal bridge. 762 Comment
  UCD64050  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1961-10-5 6591 Kern Eastern San Joaquin Valley, levee at the north end of Lake Ming. 198 Comment
  UCD64099  Digitaria sanguinalis Ernest C. Twisselmann 1959-7-4 5422 Kern Rosedale District: Brimhall Road. 121 Comment
  UCD65883  Schedonorus arundinaceus Ernest C. Twisselmann 1963-6-11 8428 Kern Erskine Canyon, Piute Mountains, along Erskine Creek. 1188 Comment
  UCD66148  Festuca occidentalis Ernest C. Twisselmann 1963-7-9 8598 Kern Greenhorn Range. Slope on the southwest side of Black Mountain Saddle. 1844 Comment
  UCD66234  Lolium multiflorum Ernest C. Twisselmann 1964-7-25 9943 Kern Lynns Valley at the Henry Bowen Ranch. 975 Comment
  UCD84974  Holcus lanatus Ernest C. Twisselmann 1963-7-11 8769 Kern The Greenhorn Range. Poso Creek. 3.5 miles NW of Glennville. 693 Comment
  UCD85641  Hordeum depressum Ernest C. Twisselmann 1962-5-8 7097 Kern Red Rock Canyon. About .25 miles above the freeway bridge. 701 Comment
  UCD85644  Hordeum depressum Ernest C. Twisselmann 1969-4-5 15087 Kern Paine Nature Preserve. 2.1 miles N of Highway 46 on the Corcoran Highway. 91 Comment
  UCD85902  Hordeum marinum subsp. gussoneanum Ernest C. Twisselmann 1962-6-1 7264 Kern Northwest end of Cummings Valley. 1127 Comment
  UCD85903  Hordeum marinum subsp. gussoneanum Ernest C. Twisselmann 1964-5-15 9462 Kern The Greenhorn Range. W side of Lynns Valley. 975 Comment
  UCD86477  Hordeum murinum subsp. leporinum Ernest C. Twisselmann 1959-4-1 5001 Kern Weedpatch Region. Weedpatch Highway at Cottonwood Road. 106 Comment
  UCD86480  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1962-6-1 7255 Kern Tehachapi Mountains. Highline Road at the SW end of Tehachapi Valley. 1295 Comment
  UCD86485  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1965-3-17 10439 Kern San Joaquin Valley. The Kern National Wildlife Refuge. 76 Comment
  UCD86486  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1965-3-17 10439 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
  UCD86570  Muhlenbergia asperifolia Ernest C. Twisselmann 1964-9-16 10212 Kern Tehachapi-Kernville region. Kelso Creek, 7.9 miles south of Weldon. 1036 Comment
  UCD86979  Muhlenbergia richardsonis Ernest C. Twisselmann 1962-7-19 7453 Kern Tehachapi-Kernville Region. Lander's Meadow, Piute Mountains. 1973 Comment
  UCD87768  Leymus triticoides Ernest C. Twisselmann 1962-6-22 7318 Kern Tehachapi-Kernville Region. Weldon Meadow. Piute Mountains. 2087 Comment
  UCD88485  Melica stricta Ernest C. Twisselmann 1962-7-19 7458 Kern Lookout Point, Piute Mountains. 2520 Comment
  UCD88750  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
  UCD88791  Phalaris canariensis Ernest C. Twisselmann 1964-7-17 9757 Kern Tehachapi Mountains. Bear Trap Road, .5 mile E of Lebec. 1066 Comment
  UCD88949  Paspalum distichum Ernest C. Twisselmann 1954-10-14 1623 Kern Temblor Range and western San Joaquin Valley. Las Yeguas Creek: 2 miles north of Las Yeguas Ranch, Temblor Mountains. 822 Comment
  UCD88957  Paspalum distichum Ernest C. Twisselmann 1962-11-14 7960 Kern San Joaquin Valley. Pieri Road, 1 mile west of Hill Road, Buena Vista Plains. 64 Comment
  UCD89710  Panicum dichotomiflorum Ernest C. Twisselmann 1965-10-1 11654 Kern Sierra Nevada. The Greenhorn Range. Cedar Creek, just below the mouth of Lumreau Creek. 792 Comment
  UCD90572  Poa bolanderi Ernest C. Twisselmann 1963-6-27 8532 Kern Basket Pass. 1859 Comment
  UCD91393  Polypogon monspeliensis Ernest C. Twisselmann 1964-7-17 9736 Kern S side of Castaic Lake. 1051 Comment
  UCD91483  Polypogon viridis Ernest C. Twisselmann 1964-8-22 10160 Kern Kern County. Monolith. 1200 Comment
  UCD91961  Poa pratensis Ernest C. Twisselmann 1962-6-22 7314 Kern Weldon Meadow, Piute Mountains. 2087 Comment
  UCD92060  Poa secunda subsp. secunda Ernest C. Twisselmann 1963-6-3 8334 Kern San Emigdio Range and the Mt. Pinos Region. Black Bob Canyon, just above the mouth of Bradley Canyon. 1356 Comment
  UCD92317  Rostraria cristata Ernest C. Twisselmann 1962-3-30 6740 Kern Antelope Plains, 9 miles southwest of Blackwell's Corner (Same station as Twisselmann no. 1858). 335 Comment
  UCD92562  Secale cereale Ernest C. Twisselmann 1955-6-23 2202 Kern Mt. Abel Road, 5.6 miles south of Grocer Grade Summit. 1371 Comment
  UCD92628  Setaria parviflora Ernest C. Twisselmann 1959-7-4 5426 Kern Bakersfield District. Olive Road, 1.3 miles west of U.S. Hwy. 99. 121 Comment
  UCD92773  Sorghum halepense Ernest C. Twisselmann 1963-9-18 9031 Kern Sierra Nevada. South Fork Valley, Weldon Road, 1 mile W of Onyx. 1021 Comment
  UCD93063  Sporobolus airoides Ernest C. Twisselmann 1954-11-9 1657 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Plains, 8 miles N of Buena Vista Lake. 91 Comment
  UCD93959  Vulpia microstachys var. confusa Ernest C. Twisselmann 1962-5-25 7224 Kern Mt. Abel Road, 3.2 miles north of Valle Vista Public Camp. 1432 Comment
  UCD93961  Vulpia microstachys var. confusa Ernest C. Twisselmann 1965-4-14 10536 Kern At the mouth of Rattlesnake Creek. 594 Comment
  UCD94619  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1962-3-30 6738 Kern Antelope Plains, Devil's Water Canyon. 281 Comment
  UCD94621  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1964-5-15 9412 Kern North flank of Blue Mountain. 1082 Comment
  UCD94667  Vulpia octoflora var. hirtella Ernest C. Twisselmann 1963-5-11 8205 Kern Mojave Desert. The Mojave-Randsburg Region. Slope below Holly Mine, NW end of El Paso Mountains. 1097 Comment
  UCD97649  Bassia hyssopifolia Ernest C. Twisselmann 1961-10-30 6650 Kern Mohave-Randsburg Region. Fremont Valley; dry wash in the farmlands 2.5 miles south of Cantil. 594 Comment
  UCD97682  Atriplex rosea Ernest C. Twisselmann 1964-8-22 10155 Kern Proctor Lake bed. 1203 Comment
  UCD97735  Beta vulgaris subsp. vulgaris Ernest C. Twisselmann 1964-7-17 9710 Kern East side of Kern County: Panama Road, 1.6 mile west of Buena Vista School. 160 Comment
  UCD97795  Amaranthus retroflexus Ernest C. Twisselmann 1960-9-7 6003 Kern The Temblor Range and the Western San Joaquin Valley. Choice Valley: 1 mile north of the Choice Valley School, Shandon. 601 Comment
  UCD97832  Atriplex serenana Ernest C. Twisselmann 1958-11-1 4899 Kern Greenfield Region, Cottonwood Road, 1.2 miles south of Panama Lane. 137 Comment
  UCD98701  Silene gallica Ernest C. Twisselmann 1964-5-15 9492 Kern south side of Grizzly Gulch on the White River-Rang Gulch Road. 487 Comment
  UCD99186  Spergularia atrosperma Ernest C. Twisselmann 1962-4-11 6930 Kern Red Rock Canyon, about 0.75 mile below Ricardo. 662 Comment
  UCD99233  Spergularia macrotheca var. leucantha Ernest C. Twisselmann 1963-6-11 8449 Kern Scovern Hot Springs, below Isabella. 762 Comment
  UCD99271  Salsola gobicola Ernest C. Twisselmann 1961-8-22 6468 Kern Mohave-Randsburg Region. Mouth of Red Rock Canyon. Shandon. 701 Comment
  UCD99445  Stellaria media Ernest C. Twisselmann 1961-5-23 6152 Kern Tejon Ranch, El Paso Canyon, about 1.5 miles above the Meadows Place. 1097 Comment
  UCD99446  Stellaria media Ernest C. Twisselmann 1962-4-19 6983 Kern Granite Station Road, 4 miles west of Glennville. 807 Comment
  UCD99536  Persicaria lapathifolia Ernest C. Twisselmann 1958-8-13 4632 Kern The Greenhorn Range. Angel Creek, just east of Glennville, Shandon. 944 Comment
  UCR129338  Clarkia dudleyana E. C. Twisselmann 1963-6-27 8493 Kern Sierra Nevada Mtns., The Greenhorn Range, Fork of Cedar Creek east of the Farnsworth Ranch on the Basket Pass Road 976 Comment
  UCR130156  Cyperus niger var. capitatus E. C. Twisselmann 1961-7-27 6458 Kern Sierra Nevada Mtns., Kern River at Borel Intake (east of Wofford) 785 Comment
  UCR66496  Galium angustifolium var. onycense E. C. Twisselmann 1965-6-3 10924 Kern South side of mouth of Spanish Needle Creek 1197 Comment
  UCR77788  Nemophila pulchella E. C. Twisselmann 1966-4-6 11786 Kern Sierra Nevada, Greenhorn Range, Cedar Creek, just above the Rock Corral. 1472 Comment
  UCR77857  Plagiobothrys nothofulvus E. C. Twisselmann 1956-3-7 2522 Kern Delano Road, 6.5 mi west of Woody 311 Comment
  UCR77871  Galium matthewsii E. C. Twisselmann 1962-5-8 7124 Kern Sierra Nevada Mtns., head of Short Canyon 1037 Comment
  UCR77893  Prunus emarginata E. C. Twisselmann 1966-6-23 12383 Kern Sierra Nevada, Trail to Sunday Peak 2409 Comment
  UCR88012  Gilia leptantha subsp. purpusii E. C. Twisselmann 1964-7-24 9844 Kern Little Cannell Meadow 2119 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
  UCR88091  Lupinus formosus E. C. Twisselmann 1962-5-7 7049 Kern Sierra Nevada Mtns, Tehachapi - Kernville area, west slope of Walker Pass, near the summit 1555 Comment
  UCR88213  Bowlesia incana E. C. Twisselmann 1964-4-25 9258 Kern Sierra Nevada Mtns., Howling Gulch, 3 miles SE of Woody 825 Comment
  UCR89025  Delphinium hansenii E. C. Twisselmann 1965-6-4 10976 Kern Sierra Nevada, Wagy Flat Road 0.7 miles west of Wagy Flat 1517 Comment
  CAS-BOT-BC112171  Eleocharis radicans Ernest C. Twisselmann 1961-10-5 6611 Kern Seep between the Lake Ming Levee and Kern River. 190 Comment
  CAS-BOT-BC112822  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-BC113249  Eleocharis parishii Ernest C. Twisselmann 1956-9-20 3188 Kern Piute Mountains: French Gulch, 1.4 mile morth of French Meadow Ranger Station. 2225 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-BC113258  Eleocharis parishii Ernest C. Twisselmann 1958-8-7 4572 Kern Tejon Ranch: El Paso Creek. 792 Comment
  CAS-BOT-BC113261  Eleocharis parishii Ernest C. Twisselmann 1957-8-13 3973 Kern Tehachapi Road, 0.9 mi W of Oak Creek Pass. 1341 Comment
  CAS-BOT-BC113270  Eleocharis parishii Ernest C. Twisselmann 1957-5-10 3515 Kern Dove Spring. 1150 Comment
  CAS-BOT-BC113403  Eleocharis flavescens var. flavescens Ernest C. Twisselmann 1961-7-26 6373 B Kern Kern River at the site of old Kernville 853 Comment
  CAS-BOT-BC113860  Cyperus niger var. capitatus Ernest C. Twisselmann 1962-8-27 7737 Kern Spring at the Milk Ranch (along Lumreau Creek). 1036 Comment
  CAS-BOT-BC113955  Cyperus odoratus Ernest C. Twisselmann 1962-11-14 8010 Kern Panama Road about 1 mile East of Greenfield. 106 Comment
  CAS-BOT-BC113956  Cyperus odoratus Ernest C. Twisselmann 1962-11-14 8010 Kern Panama Road about 1 mile East of Greenfield. 106 Comment
  CAS-BOT-BC114299  Cyperus esculentus Ernest C. Twisselmann 1959-7-4 5450 Kern Greenfield District: Cottonwood Road, 0.1 mi. S of DiGiorgio Rd. 118 Comment
  CAS-BOT-BC114401  Cyperus erythrorhizos Ernest C. Twisselmann 1964-9-29 10223 Kern Goose Lake Canal 76 Comment
  CAS-BOT-BC114747  Cyperus difformis Ernest C. Twisselmann 1961-10-5 6580 Kern Buttonwillow region: Tupman Highway 0.25 mi S of Adohr Road. 91 Comment
  CAS-BOT-BC116646  Carex subfusca Ernest C. Twisselmann 1959-6-18 5403 Kern Breckenridge Mountain: Mill Creek at Breckenridge Public Camp 2042 Comment
  CAS-BOT-BC116647  Carex subfusca Ernest C. Twisselmann 1959-6-18 5403 Kern Breckenridge Mountain: Mill Creek at Breckenridge Public Camp 2042 Comment
  CAS-BOT-BC118386  Carex praegracilis Ernest C. Twisselmann 1964-5-15 9466 Kern Pond on the W side of Lynns Valley 975 Comment
  CAS-BOT-BC118738  Carex preslii Ernest C. Twisselmann 1961-6-22 6347 Kern Cienga at the head of Bitter Creek, Mt. Pinos 2560 Comment
  CAS-BOT-BC118966  Carex pellita Ernest C. Twisselmann 1959-4-1 5002 Kern Weedpatch Region: Cottonwood Road at DiGiorgio Road. 106 Comment
  CAS-BOT-BC118967  Carex pellita Ernest C. Twisselmann 1959-4-1 5002 Kern Weedpatch Region: Cottonwood Road at DiGiorgio Road. 106 Comment
  CAS-BOT-BC12807  Lepidium perfoliatum Ernest C. Twisselmann 1962-4-10 6832 Kern Mojave Desert. Mojave-Randsburg Region. Rosamund Region. Avenue A, 0.9 mile east of Highway 6. 632 Comment
  CAS-BOT-BC13098  Lepidium virginicum var. menziesii Ernest C. Twisselmann 1963-6-27 8566 Kern Sierra Nevada. Greenhorn Range. Glennville Highway, ca. 5 miles east of Granite Station. 762 Comment
  CAS-BOT-BC132094  Allium peninsulare var. peninsulare Ernest C. Twisselmann 1952-6-6 112 Kern Black Canyon Comment
  CAS-BOT-BC13549  Ambrosia acanthicarpa Ernest C. Twisselmann 1958-10-1 4865 Kern Ridgecrest Road, 0.7 mile east of Inyokern 741 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-BC156326  Solanum umbelliferum E. C. Twisselmann 1956-7-17 3094 Kern Kelso Valley 1250 Comment
  CAS-BOT-BC156858  Solanum umbelliferum Ernest C. Twisselmann 1954-4-15 1069 Kern Ross Ridge: 8 miles southwest of Blackwell's Corner 731 Comment
  CAS-BOT-BC156861  Solanum umbelliferum E. C. Twisselmann 1964-6-10 9613 Kern Cuddy Canyon, 0.8 mile west of Frazier Park 1585 Comment
  CAS-BOT-BC157584  Solanum umbelliferum Ernest C. Twisselmann 1966-6-9 12359 Kern Sweetwater Ridge, south of Cache Peak 2240 Comment
  CAS-BOT-BC157585  Solanum umbelliferum Ernest C. Twisselmann 1964-6-10 9623 Kern Upper Castaic Valley 1280 Comment
  CAS-BOT-BC157586  Solanum umbelliferum Ernest C. Twisselmann 1955-6-7 2100 Kern San Emigdio Range. Upper Quatal Canyon 1643 Comment
  CAS-BOT-BC157595  Solanum umbelliferum Ernest C. Twisselmann 1956-7-17 3094 Kern Kelso Valley 1250 Comment
  CAS-BOT-BC164543  Clarkia purpurea subsp. viminea Ernest C. Twisselmann 1965-6-24 11079 Kern Telephone Road north of Rising Canyon, Tejon Ranch. On the north slope of the southwestern Tehachapi Mountains 1158 Comment
  CAS-BOT-BC164544  Clarkia purpurea subsp. viminea Ernest C. Twisselmann 1965-6-24 11079 Kern Telephone Road north of Rising Canyon, Tejon Ranch. On the north slope of the southwestern Tehachapi Mountains 1158 Comment
  CAS-BOT-BC168259  Atriplex canescens var. canescens Ernest C. Twisselmann 1958-11-1 4917 Kern Tehachapi Mountains: Cameron Canyon 1188 Comment
  CAS-BOT-BC170868  Mentzelia veatchiana Ernest C. Twisselmann 1971-4-26 17656 Kern Broad measa in Cyrus Canyon - Sierra Nevada 838 Comment
  CAS-BOT-BC172604  Atriplex coronata Ernest C. Twisselmann 1952-3-14 182 Kern Buena Vista Slough near Shafter Bridge 91 Comment
  CAS-BOT-BC17469  Athysanus pusillus Ernest C. Twisselmann 1954-3-26 922 Kern The Temblor Range and the Western San Joaquin Valley. Annette Road, 0.375 mile east of US 466, Antelope Valley. 396 Comment
  CAS-BOT-BC17473  Athysanus pusillus Ernest C. Twisselmann 1958-3-22 4194 Kern Eastern San Joaquin Valley. Poso Creek Road, 4 miles east of Mon Bluff. 274 Comment
  CAS-BOT-BC17474  Athysanus pusillus Ernest C. Twisselmann 1965-4-21 10577 Kern Tehachapi-Kernville Region. Tejon Canyon. 1051 Comment
  CAS-BOT-BC17645  Carex alma Ernest C. Twisselmann 1959-5-2 5155 Kern Tehachapi-Kernville Region. Daugherty Creek Road: Spring 1.3 mile south of Kern River Canyon Highway. 883 Comment
  CAS-BOT-BC176815  Kochia californica Ernest C. Twisselmann 1961-10-31 6690 Kern Mojave Desert, the Mojave-Randsburg Region. Antelope Valley: 60th Street at Avenue A (about 6 miles southwest of Rosamond) 670 Comment
  CAS-BOT-BC176879  Salsola gobicola Ernest C. Twisselmann 1964-8-22 10156 Kern Proctor Lake bed 1203 Comment
  CAS-BOT-BC177287  Astragalus acutirostris Ernest C. Twisselmann 1966-4-27 12034 Kern Mojave Desert, the Mojave-Randsburg Region. Plains between Desert & Castle buttes 762 Comment
  CAS-BOT-BC177920  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1963-4-18 8097 Kern Wheeler Ridge Road, 0.5 mile west of Highway U.S. 99 320 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-BC178498  Astragalus gambelianus Ernest C. Twisselmann 1964-5-26 9511 Kern Back Canyon, just below the cypress grove - Tehachapi-Kernville Region 1219 Comment
  CAS-BOT-BC178500  Astragalus gambelianus Ernest C. Twisselmann 1964-5-26 9495 Kern Head of Back Canyon, south end of Piute Mountains - Tehachapi-Kernville Region 1295 Comment
  CAS-BOT-BC179788  Centrostegia thurberi Ernest C. Twisselmann 1956-5-17 2825 Kern Piute Mountains, foot of Harris Grade. Tehachapi-Kernville Region 1295 Comment
  CAS-BOT-BC179798  Centrostegia thurberi Ernest C. Twisselmann 1963-5-11 8194 Kern Wash below Cow Heaven Canyon on the W side of Indian Wells Valley. Mojave Desert. Mojave-Randsburg Region 1051 Comment
  CAS-BOT-BC180730  Salsola tragus Ernest C. Twisselmann 1953-10-21 804 Kern Antelope Plains, 9 miles south of Blackwell's corner, wash above Lyman Oil Field - Temblor Range and the Western San Joaquin Valley 274 Comment
  CAS-BOT-BC180779  Salsola gobicola Ernest C. Twisselmann 1967-9-21 13946 Kern Indian Wells Valley, El Ranchito Motel, west of Ridgecrest, Mojave-Randsburg Region, Mojave Desert 640 Comment
  CAS-BOT-BC181385  Stellaria calycantha Ernest C. Twisselmann 1962-9-18 7758 Kern Creek below Mountain Meadow, east slope of Sunday Peak - Greenhorn Range, Sierra Nevada 2118 Comment
  CAS-BOT-BC181386  Stellaria calycantha Ernest C. Twisselmann 1961-7-27 6465 Kern East slope of Sunday Peak - Greenhorn Range, Sierra Nevada 2194 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-BC184756  Vulpia myuros subsp. megalura Ernest C. Twisselmann 1961-5-23 6203 Kern Tejon Ranch: Telephone Road, dropping into Monroe Canyon 1158 Comment
  CAS-BOT-BC193002  Astragalus purshii var. tinctus Ernest C. Twisselmann 1961-5-24 6245 Kern Tejon Ranch: upper end of Lopez Flats 1676 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-BC202465  Euphorbia ocellata Ernest C. Twisselmann 1955-7-7 2233 Kern Temblor Range and the Western San Joaquin Valley. Forks of Cedar Canyon, western Kern County 655 Comment
  CAS-BOT-BC202467  Euphorbia ocellata Ernest C. Twisselmann 1961-8-21 6512 Kern Tehachapi-Kernville Region. Kern Canyon, 1.5 mile above the canyon 304 Comment
  CAS-BOT-BC203282  Eremalche parryi Ernest C. Twisselmann 1954-5-7 1203 Kern Temblor Range and the Western San Joaquin Valley. Alec Cook Canyon: 1/2 mile east of Cedar Canyon Forks 556 Comment
  CAS-BOT-BC213924  Monardella odoratissima subsp. pallida Ernest C. Twisselmann 1964-7-23 9827 Kern Below Mountain Meadow, east slope of Sunday Peak, Greenhorn Range, Sierra Nevada 2087 Comment
  CAS-BOT-BC213925  Monardella odoratissima subsp. pallida Ernest C. Twisselmann 1962-9-18 7759 Kern East slope of Sunday Peak, Greenhorn Range, Sierra Nevada 2118 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-BC224370  Cuscuta Ernest C. Twisselmann 1964-7-24 9882 Kern Sierra Nevada, the Kern Plateau. Trail to Little Cannell Meadow above Pine Flat 2255 Comment
  CAS-BOT-BC225519  Gilia tenuiflora Ernest C. Twisselmann 1961-4-12 6040 Kern Choice Valley, 3/8 mile northwest of the Choice Valley School, Temblor Range and the Western San Joaquin Valley 670 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-BC226366  Gilia latiflora subsp. elongata Ernest C. Twisselmann 1965-5-6 10771 Kern Mojave Desert, the Mojave-Randsburg Region. Indian Wells Valley: plain just south of Harts Station 975 Comment
  CAS-BOT-BC226372  Gilia latiflora subsp. elongata Ernest C. Twisselmann 1957-4-10 3346 Kern Mohave [Mojave]-Randsburg Region. Trona Highway at Searles Station 1036 Comment
  CAS-BOT-BC226389  Gilia latiflora subsp. latiflora Ernest C. Twisselmann 1965-5-18 10848 Kern Mojave Desert, the Mojave-Randsburg Region. Dunes at the northeast end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-BC22928  Agoseris heterophylla Ernest C. Twisselmann 1957-6-21 3715 Kern Rattlesnake Grade, 0.4 miles southwest of Davis Guard Station 1645 Comment
  CAS-BOT-BC22932  Agoseris heterophylla Ernest C. Twisselmann 1966-7-13 12616 Kern Cuddy Valley 1767 Comment
  CAS-BOT-BC233906  Cistanthe umbellata Ernest C. Twisselmann 1962-6-22 7341 Kern Bodfish Road, 3.6 miles north of Walker Basin Road Junction, North end of crest of Piute Mountain, Tehachapi-Kernville Region 2346 Comment
  CAS-BOT-BC233907  Cistanthe umbellata Ernest C. Twisselmann 1961-6-22 6320 Kern Summit of Sawmill Mountain, San Emigdio Range and the Mt. Pinos Region 2682 Comment
  CAS-BOT-BC241709  Eriogonum brachyanthum Ernest C. Twisselmann 1957-8-13 3962 Kern Tehachapi-Kernville Region. Tehachapi Mountains: Cottonwood Canyon 914 Comment
  CAS-BOT-BC254200  Eriogonum baileyi var. baileyi Ernest C. Twisselmann 1955-9-16 2412 Kern Walker Pass, 1 mile west of the summit, Tehachapi-Kernville Region 1524 Comment
  CAS-BOT-BC256082  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-BC256984  Chorizanthe membranacea Ernest C. Twisselmann 1961-5-4 6057 Kern Sierra Nevada, the Greenhorn Range. Glennville Road, 1.6 mile east of Woody 502 Comment
  CAS-BOT-BC256995  Chorizanthe membranacea Ernest C. Twisselmann 1957-5-24 3556 Kern Tehachapi-Kernville Region. Kern River Canyon 739 Comment
  CAS-BOT-BC257496  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-BC257544  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-BC257545  Eriogonum inflatum Ernest C. Twisselmann 1955-9-16 2403 Kern Rand Mountains, 1 mile northeast of Randsburg 1077 Comment
  CAS-BOT-BC257546  Eriogonum inflatum Ernest C. Twisselmann 1961-10-30 6664 Kern Tehachapi-Kernville Region. Pine Tree Canyon at the Aqueduct, southern Sierra Nevada 807 Comment
  CAS-BOT-BC257547  Eriogonum inflatum Ernest C. Twisselmann 1961-10-30 6664 Kern Tehachapi-Kernville Region. Pine Tree Canyon at the Aqueduct, southern Sierra Nevada 807 Comment
  CAS-BOT-BC258199  Eriogonum pusillum Ernest C. Twisselmann 1966-4-12 11854 Kern The Mojave Desert, the Mojave-Randsburg Region. Mouth of Last Chance Canyon, El Paso Range 723 Comment
  CAS-BOT-BC258202  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-BC258483  Eriogonum roseum Ernest C. Twisselmann 1957-9-19 4044 Kern Sierra Nevada, the Greenhorn Range. Glennville Road, 7.6 miles west of Greenhorn Pass 1447 Comment
  CAS-BOT-BC258484  Eriogonum roseum Ernest C. Twisselmann 1957-9-19 4044 Kern Sierra Nevada, the Greenhorn Range. Glennville Road, 7.6 miles west of Greenhorn Pass 1447 Comment
  CAS-BOT-BC263025  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-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-BC263027  Eriogonum trichopes Ernest C. Twisselmann 1965-5-6 10724 Kern Mojave Desert, Mojave-Randsburg Region. El Paso Range: mesa south of Black Mountain 1280 Comment
  CAS-BOT-BC263460  Eriogonum thomasii Ernest C. Twisselmann 1966-4-12 11868 Kern Last Chance Canyon, El Paso Range, Mojave Desert the Mojave-Randsburg Region 731 Comment
  CAS-BOT-BC267880  Eriogonum umbellatum Ernest C. Twisselmann 1966-6-9 12364 Kern Champagne Spring on teh northwest shoulder of Cache Peak, Tehachapi-Kernville Region 1737 Comment
  CAS-BOT-BC268305  Eriogonum roseum Ernest C. Twisselmann 1965-7-27 11266 Kern Tehachapi-Kernville Region. Lightner Flat, Breckenridge Mountain 1920 Comment
  CAS-BOT-BC268306  Eriogonum roseum Ernest C. Twisselmann 1963-8-8 8851 Kern Tehachapi Mountains. Ridge north of Cottonwood Creek, east of Tejon Pass 1478 Comment
  CAS-BOT-BC268321  Eriogonum roseum Ernest C. Twisselmann 1957-9-19 4044 Kern Sierra Nevada, Greenhorn Range. Glennville Road, 7.6 miles west of Greenhorn Pass 1447 Comment
  CAS-BOT-BC268842  Eriogonum nidularium Ernest C. Twisselmann 1966-4-26 12025 Kern Mojave Desert, Mojave-Randsburg Region. Northwest flank of Government Peak, Rand Mountains 1280 Comment
  CAS-BOT-BC269893  Eriogonum nudum var. pubiflorum Ernest C. Twisselmann 1966-5-10 12168 Kern Slope northeast of Lake Isabella 822 Comment
  CAS-BOT-BC269896  Eriogonum nudum var. pubiflorum Ernest C. Twisselmann 1955-9-16 2410 Kern Kern Canyon, 1/2 mile east of Miracle (Hobo) Hot Springs 731 Comment
  CAS-BOT-BC270142  Viola pinetorum var. grisea Ernest C. Twisselmann 1961-6-22 6317 Kern San Emigdio Range and the Mount Pinos Region. E slope of Sawmll Mountain 2545 Comment
  CAS-BOT-BC274161  Pappostipa speciosa Ernest C. Twisselmann 1961-5-24 6224 Kern Mohave-Randsburg Region. Tejon Ranch: high plateau above the Knecht Place 731 Comment
  CAS-BOT-BC276366  Chaenactis carphoclinia Ernest C. Twisselmann 1964-5-6 9340 Kern Mojave-Randsburg Region. N shore of Koehn Lake, 0.5 mile NE of Saltdale 548 Comment
  CAS-BOT-BC276367  Chaenactis carphoclinia Ernest C. Twisselmann 1964-5-6 9340 Kern Mojave-Randsburg Region. N shore of Koehn Lake, 0.5 mile NE of Saltdale 548 Comment
  CAS-BOT-BC276372  Chaenactis carphoclinia Ernest C. Twisselmann 1958-4-24 4355 Kern Mojave Randsburg Region. El Paso Mountains: Last Chance Canyon 655 Comment
  CAS-BOT-BC277189  Centaurea solstitialis Ernest C. Twisselmann 1958-8-8 4614 Kern Tehachapi-Kernville Region. Highway U.S. 99 at Tejon Ranch Headquarters Road (near Lebec) 1036 Comment
  CAS-BOT-BC277190  Centaurea solstitialis Ernest C. Twisselmann 1958-8-8 4614 Kern Tehachapi-Kernville Region. Highway U. S. 99 at Tejon Ranch Headquarters Road (near Lebec) 1036 Comment
  CAS-BOT-BC277291  Chaenactis glabriuscula var. glabriuscula Ernest C. Twisselmann 1961-4-14 6049 Kern Temblor Range and the Western San Joaquin Valley. McGovern Grade, 1.5 mile east of Annette 487 Comment
  CAS-BOT-BC278234  Schedonorus arundinaceus Ernest C. Twisselmann 1965-5-6 10768 Kern Mojave Desert, Mojave-Randsburg Region. Pasture just south of Ridgecrest on the Randsburg Road 731 Comment
  CAS-BOT-BC279568  Centromadia pungens subsp. pungens Ernest C. Twisselmann 1954-6-21 1389 Kern Temblor Range and the Western San Joaquin Valley. Antelope Valley: Irrigation Well 1 mile east of Keck's Corner, Western Kern County 304 Comment
  CAS-BOT-BC281939  Carthamus tinctorius Ernest C. Twisselmann 1963-8-8 8825 Kern San Joaquin Valley. Highway US 99, 1.5 mile S of Cawelo 114 Comment
  CAS-BOT-BC28209  Bolboschoenus glaucus Ernest C. Twisselmann 1955-7-13 2262 Kern Duck Club Road, 8.9 mi N of Semitropic School. 64 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-BC284327  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-BC28608  Achillea millefolium Ernest C. Twisselmann 1956-5-31 2884 Kern Buena Vista Canal, 1.8 miles N of McKittrick-Buttonwillow Highway 91 Comment
  CAS-BOT-BC28614  Achillea millefolium Ernest C. Twisselmann 1964-7-23 9800 Kern Greenhorn Range: north slope of Black Mountain 1844 Comment
  CAS-BOT-BC291027  Dimorphotheca sinuata Ernest C. Twisselmann 1958-4-14 4257 Kern Eastern San Joaquin Valley. Lerdo Road, just east of Shafter 105 Comment
  CAS-BOT-BC291142  Eclipta prostrata Ernest C. Twisselmann 1961-10-5 6579 Kern Temblor Range and the Western San Joaquin Valley. Buttonwillow region: Tupman Highway 0.25 mile south of Adohr Road 91 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-BC294062  Deinandra kelloggii Ernest C. Twisselmann 1960-8-12 5982 Kern Temblor Range and the Western San Joaquin Valley. Bitterwater Road, 1 mile north of the Choice Valley School 601 Comment
  CAS-BOT-BC295631  Agnorhiza ovata Ernest C. Twisselmann 1956-7-17 3034 Kern Tehachapi-Kernville Region. French Meadow Road, 0.4 mile east of Piute Peak 2491 Comment
  CAS-BOT-BC296152  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-BC29630  Agoseris grandiflora var. grandiflora Ernest C. Twisselmann 1959-6-2 5291 Kern Mount Pinos Region: Mount Abel Road at the summit of Ballinger Canyon 1219 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-BC297060  Erigeron breweri var. breweri Ernest C. Twisselmann 1958-8-19 4700 Kern 0.25 mile north of the summit of Breckenridge Mountain, Tehachapi-Kernville Region 2270 Comment
  CAS-BOT-BC305680  Helianthus gracilentus Ernest C. Twisselmann 1966-7-5 12546 Kern Tehachapi Mountains. Ridge at the head of Pescadero Canyon 1737 Comment
  CAS-BOT-BC309423  Helenium puberulum Ernest C. Twisselmann 1961-8-21 6518 Kern Eastern San Joaquin Valley. Kern River at Hart Memorial Park 152 Comment
  CAS-BOT-BC30957  Bolboschoenus maritimus Ernest C. Twisselmann 1963-4-12 8047 Kern Arvin region: Adobe Road at Westminster Gun Club. 121 Comment
  CAS-BOT-BC321157  Layia glandulosa Ernest C. Twisselmann 1956-5-17 2829 Kern Tehachapi-Kernville Region. Harris Grade Road, 2.2 miles E of French Meadow. 1965 Comment
  CAS-BOT-BC321163  Layia glandulosa Ernest C. Twisselmann 1957-5-10 3499 Kern Tehachapi-Kernville Region. Southern Sierra Nevada: summit of Bird Spring Pass. 1615 Comment
  CAS-BOT-BC32137  Carex multicaulis Ernest C. Twisselmann 1959-5-21 5245 Kern Slope above Sandy Creek, west slope of Sunday Peak. 1770 Comment
  CAS-BOT-BC332801  Lagophylla ramosissima Ernest C. Twisselmann 1958-8-8 4587 Kern West side of Antelope Valley enar the mouth of Lecheria Canyon, Mohave Randsburg Region 731 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-BC332849  Lagophylla ramosissima Ernest C. Twisselmann 1960-9-7 6002 Kern Choice Valley 1 mile norht of the Choice Valley School, the 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-BC338003  Lasthenia californica Ernest C. Twisselmann 1957-3-27 3279 Kern Tehachapi-Kernville Region. Tehachapi Mountains: Horsethief Flat Road 335 Comment
  CAS-BOT-BC338004  Lasthenia californica Ernest C. Twisselmann 1957-3-27 3279 Kern Tehachapi-Kernville Region. Tehachapi Mountains: Horsethief Flat Road 335 Comment
  CAS-BOT-BC338006  Lasthenia californica Ernest C. Twisselmann 1958-3-26 4209 B Kern Eastern San Joaquin Valley. Seventh Standard Road at Jerry Slough 88 Comment
  CAS-BOT-BC338011  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-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-BC338042  Lasthenia californica Ernest C. Twisselmann 1965-4-14 10547 Kern Temblor Range and the Western San Joaquin Valley. Flat 0.25 mile east of the Semitropic School 99 Comment
  CAS-BOT-BC339228  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1953-9-4 737 Kern Temblor Range and the Western San Joaquin Valley. Carneros Rocks: Western Kern County 457 Comment
  CAS-BOT-BC339257  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1961-10-31 6699 Kern Mojave Desert, Mojave-Randsburg Region. Rosamund Hills, near Highway 6 (about 10.9 miles south of Mojave) 723 Comment
  CAS-BOT-BC342169  Logfia filaginoides Ernest C. Twisselmann 1963-4-12 8046 Kern San Joaquin Valley, the Kern County East Side. Abandoned field 1 mile west of Comanche Point 205 Comment
  CAS-BOT-BC342171  Logfia filaginoides Ernest C. Twisselmann 1958-4-12 4222 Kern Eastern San Joaquin Valley. Poso Creek at the Granite Creek fork 274 Comment
  CAS-BOT-BC343036  Madia gracilis Ernest C. Twisselmann 1962-6-21 7404 Kern Tehachapi Mountains. Tejon Ranch: Tunis Ridge 1066 Comment
  CAS-BOT-BC343635  Madia elegans Ernest C. Twisselmann 1966-4-26 11984 Kern Tehachapi Mountains. Divide between Tehachapi and Keene 1234 Comment
  CAS-BOT-BC343636  Madia elegans Ernest C. Twisselmann 1965-7-6 11159 Kern Tehachapi Mountains. Highline Road at Water Canyon Road (south side of Tehachapi Valley) 1386 Comment
  CAS-BOT-BC343637  Madia elegans Ernest C. Twisselmann 1965-7-6 11159 Kern Tehachapi Mountains. Highline Road at Water Canyon Road (south side of Tehachapi Valley) 1386 Comment
  CAS-BOT-BC343646  Madia elegans Ernest C. Twisselmann 1961-7-27 6401 Kern Sierra Nevada, Greenhorn Range. Lynn [Linns] Valley, 5.5 miles northwest of Glennville 1005 Comment
  CAS-BOT-BC343647  Madia elegans Ernest C. Twisselmann 1961-7-27 6401 Kern Sierra Nevada, Greenhorn Range. Lynn [Linns] Valley, 5.5 miles northwest of Glennville 1005 Comment
  CAS-BOT-BC345489  Malacothrix coulteri Ernest C. Twisselmann 1969-4-4 15063 Kern Temblor Range and the Western San Joaquin Valley. Highway 46, 2 miles west of Lost Hills 152 Comment
  CAS-BOT-BC345516  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-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-BC348472  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-BC348904  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1961-4-14 6051 Kern Temblor Range and the Western San Joaquin Valley. McGovern Grade, 1.4 mile east of Annette 533 Comment
  CAS-BOT-BC356119  Pluchea odorata Ernest C. Twisselmann 1958-11-1 4909 Kern Eastern San Joaquin Valley. Weed Patch Region: Adobe Road, 2.4 miles south of Bear Mountain Boulevard 121 Comment
  CAS-BOT-BC356120  Pluchea odorata Ernest C. Twisselmann 1958-11-1 4909 Kern Eastern San Joaquin Valley. Weed Patch Region: Adobe Road, 2.4 miles south of Bear Mountain Boulevard 121 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-BC357280  Pseudognaphalium microcephalum Ernest C. Twisselmann 1962-8-27 7731 Kern Sierra Nevada, Greenhorn Range. Head of Lumreau Creek 1249 Comment
  CAS-BOT-BC361938  Psilocarphus tenellus Ernest C. Twisselmann 1958-4-12 4251 Kern Eastern San Joaquin Valley. Kimberlina Road, 7 miles southwest of Wasco 106 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-BC362609  Rafinesquia neomexicana Ernest C. Twisselmann 1958-4-24 4359 Kern Mohave-Randsburg Region. El Paso Mountains: Last Chance Canyon 655 Comment
  CAS-BOT-BC362982  Rigiopappus leptocladus Ernest C. Twisselmann 1954-5-7 1204 Kern Temblor Range and the Western San Joaquin Valley. Joe Messa Ridge: 4 miles west of Carneros Rocks 914 Comment
  CAS-BOT-BC364558  Senecio vulgaris Ernest C. Twisselmann 1965-4-14 10544 Kern Sierra Nevada, Greenhorn Range. Granite outcrops at the foot of Rattlesnake Grade 396 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-BC366133  Lasthenia minor Ernest C. Twisselmann 1963-5-17 8281 Kern Upper San Joaquin Valley. Junction of Woody & McFarland Rds, 7 mi. N of Poso 304 Comment
  CAS-BOT-BC366134  Lasthenia minor Ernest C. Twisselmann 1958-3-22 4156 Kern Upper San Joaquin Valley. Junction of Woody & McFarland Rds, 7 mi. N of Poso 304 Comment
  CAS-BOT-BC37075  Capsella bursa-pastoris Ernest C. Twisselmann 1955-3-20 1732 Kern The Temblor Range and the Western San Joquin Valley. Packwood Canyon, 9 miles west of Blackwell's Corner. 426 Comment
  CAS-BOT-BC375710  Stephanomeria runcinata Ernest C. Twisselmann 1956-7-8 3024 Kern Temblor Range and the Western San Joaquin Valley. Lavrock Canyon, 1 mile south of Annette 579 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-BC376648  Syntrichopappus fremontii Ernest C. Twisselmann 1966-4-26 12016 Kern Mojave Desert, Mojave-Randsburg Region. Northwest slope of Government Peak, Rand Mountains 1325 Comment
  CAS-BOT-BC377802  Layia platyglossa Ernest C. Twisselmann 1962-4-7 6764 Kern Temblor Range & Western San Joaquin Valley: Choice Valley HIlls, 3/8 mile west of Choice Valley School 579 Comment
  CAS-BOT-BC378833  Ranunculus canus Ernest C. Twisselmann 1965-4-21 10581 Kern Tejon Canyon 488 Comment
  CAS-BOT-BC378834  Ranunculus canus Ernest C. Twisselmann 1966-5-20 12260 Kern west side of the summit of Tweedy Canyon (mountains east of Keene) 1676 Comment
  CAS-BOT-BC378862  Ranunculus californicus var. californicus Ernest C. Twisselmann 1964-6-21 9660 Kern Water Creek on the south slope of Bear Mountain. 1570 Comment
  CAS-BOT-BC379032  Ranunculus aquatilis var. diffusus Ernest C. Twisselmann 1964-5-15 9461 Kern pond on the west side of Lynns Valley 488 Comment
  CAS-BOT-BC381853  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-BC381855  Uropappus lindleyi Ernest C. Twisselmann 1955-5-12 1977 Kern Temblor Range and the Western San Joaquin Valley. Rock outcrops at summit of Messa Ridge, Temblor Mountains 1036 Comment
  CAS-BOT-BC381856  Uropappus lindleyi Ernest C. Twisselmann 1955-5-12 1977 Kern Temblor Range and the Western San Joaquin Valley. Rock outcrops at summit of Messa Ridge, Temblor Mountains 1036 Comment
  CAS-BOT-BC381857  Uropappus lindleyi Ernest C. Twisselmann 1955-5-12 1977 Kern Temblor Range and the Western San Joaquin Valley. Rock outcrops at summit of Messa Ridge, Temblor Mountains 1036 Comment
  CAS-BOT-BC38330  Caulanthus cooperi Ernest C. Twisselmann 1956-3-16 2558 Kern Mojave Ramdsbirg Region. Indian Wells Valley. US Highway 6, 2.6 miles north of Freeman Junction. 883 Comment
  CAS-BOT-BC383939  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-BC383949  Abronia pogonantha Ernest C. Twisselmann 1965-5-9 10675 Kern Mojave Desert, Mojave-Randsburg Region. Northeast end of Buckhorn Lake, Edwards Air Force Base 754 Comment
  CAS-BOT-BC383951  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-BC384472  Silene antirrhina Ernest C. Twisselmann 1961-5-24 6257 Kern Tehachapi Mountains. Tejon Ranch: ridge above Saucelito Corrals. (Gighas [Geghus] Ridge) 1188 Comment
  CAS-BOT-BC388290  Cerastium glomeratum Ernest C. Twisselmann 1958-4-12 4243 Kern Eastern San Joaquin Valley. Delano Road, 4.1 miles west of Woody 533 Comment
  CAS-BOT-BC388638  Minuartia douglasii Ernest C. Twisselmann 1955-5-12 1961 Kern Temblor Range and the Western San Joaquin Valley. Rock outcrops at summit of Messa Ridge, Temblor Mountains 1036 Comment
  CAS-BOT-BC389080  Silene laciniata subsp. californica Ernest C. Twisselmann 1964-5-26 9527 Kern Tehachapi-Kernville Region. Studhorse Canyon (a fork of upper Caliente Canyon) 807 Comment
  CAS-BOT-BC390132  Spergularia bocconi Ernest C. Twisselmann 1964-7-17 9737 Kern Tehachapi Mountains. South side of Castaic Lake 1051 Comment
  CAS-BOT-BC390617  Spergularia rubra Ernest C. Twisselmann 1965-7-29 11380 Kern Sierra Nevada, Greenhorn Range. Shirley Meadows 2072 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-BC390790  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-BC392199  Aquilegia formosa Ernest C. Twisselmann 1955-6-23 2199 Kern San Emigdio Range. Upper San Emigdio Creek 1524 Comment
  CAS-BOT-BC392510  Stellaria media Ernest C. Twisselmann 1954-4-11 1105 Kern Carneros Rocks, Shandon 457 Comment
  CAS-BOT-BC394962  Stellaria nitens Ernest C. Twisselmann 1962-4-7 6766 Kern Choice Valley, 3/8 mile W of Choice Valley School, Shandon 579 Comment
  CAS-BOT-BC400297  Anemopsis californica Ernest C. Twisselmann 1966-7-5 12561 Kern Tehachapi Mountains. Basque Encina 1356 Comment
  CAS-BOT-BC400301  Anemopsis californica Ernest C. Twisselmann 1961-10-5 6623 Kern Eastern San Joaquin Valley. Hart Memorial Park 152 Comment
  CAS-BOT-BC401722  Argemone munita subsp. munita Ernest C. Twisselmann 1959-6-2 5287 Kern San Emigdio Range and the Mt. Pinos Region. Upper San Emigdio Canyon 1.9 mile east of Mill Potrero 1584 Comment
  CAS-BOT-BC40182  Caulanthus lasiophyllus Ernest C. Twisselmann 1955-3-9 1698 Kern The Temblor Range and the Western San Joaquin Valley. Kernell Road, 14 miles west of Delano. 91 Comment
  CAS-BOT-BC401903  Gilia ochroleuca subsp. ochroleuca Ernest C. Twisselmann 1962-4-11 6914 Kern Tehachapi-Kernville Region. Kelso Canyon about 12 miles south of Weldon 944 Comment
  CAS-BOT-BC401904  Gilia ochroleuca subsp. ochroleuca Ernest C. Twisselmann 1962-4-11 6914 Kern Tehachapi-Kernville Region. Kelso Canyon about 12 miles south of Weldon 944 Comment
  CAS-BOT-BC402231  Dicentra chrysantha Ernest C. Twisselmann 1955-8-10 2306 Kern San Emigdio Range. Mt. Abel Road, 6.4 miles from the summit 2019 Comment
  CAS-BOT-BC402708  Eschscholzia caespitosa Ernest C. Twisselmann 1969-4-19 15126 Kern San Joaquin Valley, the Kern County East Side. Comanche Hills along Tejon Creek, ca. 1 mile above its mouth 335 Comment
  CAS-BOT-BC403055  Eschscholzia californica Ernest C. Twisselmann 1961-4-6 6037 A Kern Temblor Range and the Western San Joaquin Valley. Choice Valley Hills, 0.5 mile north of Choice Valley School 594 Comment
  CAS-BOT-BC403056  Eschscholzia californica Ernest C. Twisselmann 1961-4-6 6037 Kern Temblor Range and the Western San Joaquin Valley. Choice Valley Hills, 0.5 mile north of Choice Valley School 594 Comment
  CAS-BOT-BC403057  Eschscholzia californica Ernest C. Twisselmann 1961-4-6 6037 Kern Temblor Range and the Western San Joaquin Valley. Choice Valley Hills, 0.5 mile north of Choice Valley School 594 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-BC403824  Hesperocnide tenella Ernest C. Twisselmann 1966-4-6 11789 Kern Sierra Nevada, Greenhorn Range. North slope of Cedar Creek gorge 899 Comment
  CAS-BOT-BC404306  Urtica urens Ernest C. Twisselmann 1963-4-12 8036 Kern San Joaquin Valley, the Kern County East Side. Tejon Creek ca. 3 miles above the mouth of Tejon Canyon 274 Comment
  CAS-BOT-BC404311  Urtica urens Ernest C. Twisselmann 1963-4-26 8112 Kern Sierra Nevada, Greenhorn Range. Poso Creek just above Poso Mine 640 Comment
  CAS-BOT-BC40639  Erysimum capitatum Ernest C. Twisselmann 1957-5-10 3494 Kern Tehachapi-Kernville Regon. Southern Sierra Nevada. Near the summit of Gold Peak. South of Lorraine. 1706 Comment
  CAS-BOT-BC40640  Erysimum capitatum Ernest C. Twisselmann 1957-6-21 3700 Kern Sierra Nevada. Greenhorn Range. Rattlesnake Grade, 0.5 mile northeast of Rhymes Camp. 1958 Comment
  CAS-BOT-BC40646  Erysimum capitatum Ernest C. Twisselmann 1958-8-19 4706 Kern Tehachapi-Kernville Region. Northwest end of Breckenridge Mountain Public Camp. 2103 Comment
  CAS-BOT-BC40664  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-BC412742  Lastarriaea coriacea Ernest C. Twisselmann 1956-4-15 2642 Kern Temblor Range and the Western San Joaquin Valley. Carneros Rocks 502 Comment
  CAS-BOT-BC412994  Bistorta bistortoides Ernest C. Twisselmann 1965-7-27 11204 Kern Tehachapi-Kernville Region. Mill Creek at Breckenridge Mountain Road 2072 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-BC412996  Bistorta bistortoides Ernest C. Twisselmann 1963-7-9 8631 Kern Shirley Meadows. Greenhorn Range 2011 Comment
  CAS-BOT-BC412997  Bistorta bistortoides Ernest C. Twisselmann 1957-6-21 3742 Kern Shirley Meadows. Greenhorn Range 2057 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-BC413984  Polygonum aviculare subsp. aviculare Ernest C. Twisselmann 1971-6-21 17797 Kern South Fork of Kern River, 0.5 mile below the Kernville highway bridge 762 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-BC414325  Polygonum aviculare subsp. neglectum Ernest C. Twisselmann 1965-10-1 11661 Kern Sierra Nevada, Greenhorn Range. Cedar Creek, 0.25 mile below Lumreau Creek 777 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-BC414473  Polygonum douglasii Ernest C. Twisselmann 1965-7-27 11198 Kern Tehachapi-Kernville Region. Mill Creek at Breckenridge Mountain Road 2072 Comment
  CAS-BOT-BC416993  Sedella pumila Ernest C. Twisselmann 1963-5-17 8241 Kern Granite outcrop above Poso Creek Narrows 929 Comment
  CAS-BOT-BC416994  Sedella pumila Ernest C. Twisselmann 1963-5-17 8241 Kern Granite outcrop above Poso Creek Narrows 929 Comment
  CAS-BOT-BC418971  Persicaria lapathifolia Ernest C. Twisselmann 1962-11-14 7947 Kern San Joaquin Valley, the Kern County East Side. Cole's Levee, north of Bunea Vista Lake 83 Comment
  CAS-BOT-BC418984  Persicaria lapathifolia Ernest C. Twisselmann 1958-8-13 4632 Kern Sierra Nevada, Greenhorn Range. Angel Creek, just east of Glennville 944 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-BC419197  Persicaria maculosa Ernest C. Twisselmann 1964-7-25 9939 Kern Sierra Nevada, Greenhorn Range. Lynns Valley at the Henry Bowen Ranch 975 Comment
  CAS-BOT-BC419201  Persicaria maculosa Ernest C. Twisselmann 1964-8-21 10020 Kern Sierra Nevada, Kern Plateau. South Fork of Kern River at the lower end of Kennedy Meadows 1889 Comment
  CAS-BOT-BC419331  Persicaria punctata Ernest C. Twisselmann 1958-9-3 4756 Kern Eastern San Joaquin Valley. Kern River: 2.2 miles west of Stockdale Country Club 114 Comment
  CAS-BOT-BC419759  Polygonum argyrocoleon Ernest C. Twisselmann 1964-5-26 9543 Kern San Joaquin Valley, the Kern County East Side. Enos Road, 1.5 mile south of Rio Bravo School. 91 Comment
  CAS-BOT-BC419972  Polygonum polygaloides subsp. kelloggii Ernest C. Twisselmann 1965-7-28 11343 Kern Sierra Nevada, Kern Plateau. Fork of Cannell Creek at Pine Flat 2225 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-BC421166  Pterostegia drymarioides Ernest C. Twisselmann 1963-4-26 8108 Kern Sierra Nevada, Greenhorn Range. Poso Creek just above Poso Mine 624 Comment
  CAS-BOT-BC421172  Pterostegia drymarioides Ernest C. Twisselmann 1965-4-26 10615 Kern Sierra Nevada, Greenhorn Range. Long Tom Mine 518 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-BC421651  Rumex crispus Ernest C. Twisselmann 1954-10-14 1625 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-BC421658  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-BC421753  Rumex conglomeratus Ernest C. Twisselmann 1971-6-19 17686 Kern Weldon Highway, 0.7 mile southeast of Kernville 807 Comment
  CAS-BOT-BC421754  Rumex conglomeratus Ernest C. Twisselmann 1958-8-7 4571 Kern Tehachapi-Kernville Region. Tejon Ranch: El Paso Creek. 792 Comment
  CAS-BOT-BC421755  Rumex conglomeratus Ernest C. Twisselmann 1958-8-7 4571 Kern Tehachapi-Kernville Region. Tejon Ranch: El Paso Creek. 792 Comment
  CAS-BOT-BC421950  Rumex acetosella Ernest C. Twisselmann 1971-6-19 17687 Kern Weldon Highway, 0.7 mile southeast of Kernville 807 Comment
  CAS-BOT-BC422518  Hesperomecon linearis Ernest C. Twisselmann 1961-4-6 6033 Kern Temblor Range and the Western San Joaquin Valley. Choice Valley Hills, 0.5 mile north of Choice Valley School 594 Comment
  CAS-BOT-BC422521  Hesperomecon linearis Ernest C. Twisselmann 1958-4-12 4233 Kern Eastern San Joaquin Valley. Glennville Road, 2.8 miles east of Woody. 792 Comment
  CAS-BOT-BC422834  Papaver hybridum Ernest C. Twisselmann 1952-4-18 220 Kern Temblor Range and the Western San Joaquin Valley. New Well Wash, 6 miles southwest of Blackwell's Corner 274 Comment
  CAS-BOT-BC422844  Papaver rhoeas Ernest C. Twisselmann 1969-5-21 15312 Kern Tehachapi Mountains. Tehachapi Freeway at the Arvin junction. 548 Comment
  CAS-BOT-BC422845  Papaver rhoeas Ernest C. Twisselmann 1969-5-21 15312 Kern Tehachapi Mountains. Tehachapi Freeway at the Arvin junction. 548 Comment
  CAS-BOT-BC422951  Stylomecon heterophylla Ernest C. Twisselmann 1963-4-18 8061 Kern San Emigdio Range and the Mt. Pinos Region. Pleito Hills: high ridge just east of San Emigdio Canyon 518 Comment
  CAS-BOT-BC422958  Stylomecon heterophylla Ernest C. Twisselmann 1955-4-14 1846 Kern Temblor Range and the Western San Joaquin Valley. Chico Martinez Canyon 426 Comment
  CAS-BOT-BC422961  Stylomecon heterophylla Ernest C. Twisselmann 1958-5-27 4487 Kern Sierra Nevada, Greenhorn Range. Eugene Grade, 1.4 miles west of the summit 1127 Comment
  CAS-BOT-BC423381  Wislizenia californica Ernest C. Twisselmann 1958-9-3 4787 Kern Eastern San Joaquin Valley. Jerry Slough at Brandt Road. 91 Comment
  CAS-BOT-BC426302  Chenopodium pratericola Ernest C. Twisselmann 1953-11-1 811 Kern Temblor Range and Western San Joaquin Valley: Temblor Ranch yard, western part of county Comment
  CAS-BOT-BC434353  Rumex violascens Ernest C. Twisselmann 1956-5-31 2880 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Lake Bed, near the middle 76 Comment
  CAS-BOT-BC434355  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-BC434356  Rumex violascens Ernest C. Twisselmann 1954-6-27 1408 Kern Temblor Range and the Western San Joaquin Valley. Las Yeguas Creek: 2 miles north of Las Yeguas Ranch; Temblor Mountains 731 Comment
  CAS-BOT-BC434357  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-BC43473  Descurainia sophia Ernest C. Twisselmann 1963-5-10 8157 Kern Mojave Desert. Mojave-Randsburg Region. Rosamond. Rosamond Boulevard 0.25 mile east of Highway U.S. 6. 708 Comment
  CAS-BOT-BC434789  Mirabilis laevis var. retrorsa Ernest C. Twisselmann 1969-5-21 15337 Kern Mojave Desert, Red Rock Canyon. Head of the creek west of the Freeway bridge. 784 Comment
  CAS-BOT-BC434899  Mirabilis multiflora var. pubescens Ernest C. Twisselmann 1962-5-8 7164 Kern San Joaquin Valley, the Kern County East Side. Highway U.S. 466 0.5 mile east of Caliente Wash. 198 Comment
  CAS-BOT-BC435018  Glinus lotoides Ernest C. Twisselmann 1958-11-1 4889 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough, 3.6 miles west of Buttonwillow 80 Comment
  CAS-BOT-BC437168  Lithophragma parviflorum var. parviflorum Ernest C. Twisselmann 1962-6-21 7391 Kern Tejon Ranch: Maximillano Ridge. 1371 Comment
  CAS-BOT-BC437170  Lithophragma parviflorum Ernest C. Twisselmann 1965-4-14 10517 Kern West slope of Breckenridge Mountain at Parker Creek. 685 Comment
  CAS-BOT-BC437192  Lithophragma parviflorum Ernest C. Twisselmann 1963-6-27 8530 Kern Basket Pass 1859 Comment
  CAS-BOT-BC438192  Sesuvium verrucosum Ernest C. Twisselmann 1965-9-19 11569 Kern San Joaquin Valley, Kern National Wildlife Refuge. Canal at the south side of the Refuge 65 Comment
  CAS-BOT-BC438283  Trianthema portulacastrum Ernest C. Twisselmann 1958-9-3 4786 Kern Eastern San Joaquin Valley. Brandt Road at Buttonwillow Highway. 88 Comment
  CAS-BOT-BC438284  Trianthema portulacastrum Ernest C. Twisselmann 1959-7-4 5453 Kern Eastern San Joaquin Valley. Kern Island Road, just south of the Kern Valley Packing Company plant. 117 Comment
  CAS-BOT-BC438717  Cistanthe monandra Ernest C. Twisselmann 1964-6-21 9632 Kern Tehachapi Mountains. East slope of Bear Mountain. 1889 Comment
  CAS-BOT-BC439176  Claytonia exigua subsp. exigua Ernest C. Twisselmann 1953-4-1 201 Kern Temblor Range and the Western San Joaquin Valley. Black Canyon 975 Comment
  CAS-BOT-BC439177  Claytonia exigua subsp. exigua Ernest C. Twisselmann 1953-4-1 201 Kern Temblor Range and the Western San Joaquin Valley. Black Canyon 975 Comment
  CAS-BOT-BC439482  Claytonia parviflora subsp. parviflora Ernest C. Twisselmann 1955-4-14 1849 Kern Temblor Range and the Western San Joaquin Valley. Upper Chico Martinez Canyon 533 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-BC444683  Montia chamissoi Ernest C. Twisselmann 1965-7-27 11246 Kern Tehachapi-Kernville Region. Meadow at Breckenridge Public Camp. 2065 Comment
  CAS-BOT-BC445592  Echinodorus berteroi Ernest C. Twisselmann 1954-10-24 1639 Kern Temblor Range and the Western San Joaquin Valley. Corcoran Road: 8 miles north of U. S. 466 88 Comment
  CAS-BOT-BC445797  Sagittaria montevidensis Ernest C. Twisselmann 1962-11-14 7984 Kern San Joaquin Valley, the Kern County East Side. Taft Highway, 3.6 miles west of Old River. 102 Comment
  CAS-BOT-BC452136  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-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-BC45301  Ancistrocarphus filagineus Ernest C. Twisselmann 1964-5-26 9513 Kern Tehachapi-Kernville Region. Back Canyon, just below the cypress grove. 1219 Comment
  CAS-BOT-BC453940  Potamogeton pectinatus Ernest C. Twisselmann 1961-10-5 6593 Kern Eastern San Joaquin Valley. Lake Ming (northeast of Bakersfield). 198 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-BC465461  Allium campanulatum Ernest C. Twisselmann 1965-7-27 11234 Kern Mill Creek above Breckenridge Public Camp; Tehachapi-Kernville Region 2103 Comment
  CAS-BOT-BC465468  Allium campanulatum Ernest C. Twisselmann 1966-6-9 12348 Kern Champagne Spring on the northwest flank of Cache Peak; Tehachapi Mountains 1737 Comment
  CAS-BOT-BC465470  Allium campanulatum Ernest C. Twisselmann 1956-7-17 3049 Kern Piute Peak: near the end of the old road; Tehachapi-Kernville Region 2529 Comment
  CAS-BOT-BC466289  Pterospora andromedea Ernest C. Twisselmann 1956-9-14 3144 Kern San Emigdio Range: Mt. Pinos, 1.5 mi E of the summit 2590 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-BC466329  Sarcodes sanguinea Ernest C. Twisselmann 1964-7-23 9799 A Kern Sierra Nevada, Greenhorn Range. Saddle between Can Peak & Black Mountain 1844 Comment
  CAS-BOT-BC466746  Allium crispum Ernest C. Twisselmann 1952-3-12 109 Kern Old reservoir at the Fred Twisselmann place Comment
  CAS-BOT-BC466747  Allium crispum Ernest C. Twisselmann 1956-4-23 2717 Kern Summit of Orchard Peak (Antelope Mountain, western Kern County 944 Comment
  CAS-BOT-BC469327  Allium fimbriatum var. fimbriatum Ernest C. Twisselmann 1957-6-25 3798 Kern Summit of Mt. Pinos 2690 Comment
  CAS-BOT-BC469434  Allium howellii var. howellii Ernest C. Twisselmann 1954-4-2 964 Kern Old Bitterwater Resevoir, Bitterwater Valley, Temblor Range and the Western San Joaquin Valley 487 Comment
  CAS-BOT-BC470958  Allium hyalinum Ernest C. Twisselmann 1964-4-25 9253 Kern Slope on the south side of Howling Gulch, ca. 3 miles southeast of Woody; the Sierra Nevada; the Greenhorn Range 807 Comment
  CAS-BOT-BC473038  Chenopodium Ernest C. Twisselmann 1953-11-1 811 Kern Temblor Range and Western San Joaquin Valley: Temblor Ranch 10 miles NW of McKittrick 579 Comment
  CAS-BOT-BC473041  Chenopodium Ernest C. Twisselmann 1962-11-14 8012 Kern San Joaquin Valley: Kern River at Enos Road 114 Comment
  CAS-BOT-BC476914  Asteraceae Ernest C. Twisselmann 1969-5-21 15336 Kern Ridge east of the Freeway bridge. 792 Comment
  CAS-BOT-BC483388  Calochortus invenustus Ernest C. Twisselmann 1965-6-3 10927 Kern West slope of Walker Pass, ca. 2 miles southeast of the highway, Tehachapi-Kernville Region 1584 Comment
  CAS-BOT-BC483398  Calochortus invenustus Ernest C. Twisselmann 1962-6-21 7389 Kern High ridge north of Tunis Canyon, Tejon Ranch, Tehachapi Mountains 1676 Comment
  CAS-BOT-BC492111  Brodiaea terrestris subsp. kernensis Ernest C. Twisselmann 1962-4-19 7010 Kern Poso Hills: ridge on the west side of the mouth of Adobe Canyon, San Joaquin Valley 251 Comment
  CAS-BOT-BC493357  Calochortus superbus Ernest C. Twisselmann 1959-4-25 5126 Kern West slope of Blue Mountain on the Woody Ranch Road, Greenhorn Range, Sierra Nevada 556 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-BC496732  Calochortus venustus Ernest C. Twisselmann 1955-6-23 2187 Kern Cowhead Potrero, north of Mt. Abel; San Emigdio Range 1630 Comment
  CAS-BOT-BC497390  Calochortus westonii Ernest C. Twisselmann 1963-7-9 8632 Kern Woods above Shirley Meadows: Greenhorn Range 2042 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-BC499883  Orobanche fasciculata Ernest C. Twisselmann 1965-6-18 11020 Kern San Emigdio Range and the Mt. Pinos Region. Pleito Ridge 1127 Comment
  CAS-BOT-BC500264  Orobanche uniflora subsp. occidentalis Ernest C. Twisselmann 1964-4-25 9240 Kern Greenhorn Range: The Sheep Camp, ca 4.5 mi E of Woody 1005 Comment
  CAS-BOT-BC503134  Dichelostemma volubile Ernest C. Twisselmann 1964-7-23 9782 Kern Ridge above Cedar Creek Public Camp. 1470 Comment
  CAS-BOT-BC503135  Dichelostemma volubile Ernest C. Twisselmann 1965-6-4 10970 Kern Woodard Spring fire road just south of Woodard Spring 1554 Comment
  CAS-BOT-BC503136  Dichelostemma volubile Ernest C. Twisselmann 1963-6-27 8512 Kern Mill Creek at Burnt Trough Spring 1371 Comment
  CAS-BOT-BC514408  Eriastrum densifolium subsp. mohavense Ernest C. Twisselmann 1965-7-6 11162 Kern Tehachapi Mountains: Cameron Canyon 1310 Comment
  CAS-BOT-BC521045  Triteleia dudleyi Ernest C. Twisselmann 1962-6-22 7347 Kern Tehachapi-Kernville Region, Saddle Springs, north end of the crest of Piute Mountain 2103 Comment
  CAS-BOT-BC521046  Triteleia dudleyi Ernest C. Twisselmann 1962-6-22 7353 Kern Tehachapi-Kernville Region, Bright Star Mine Road, 0.3 miles north of Woolstaff Meadow, Piute Mountains 2301 Comment
  CAS-BOT-BC522139  Triteleia ixioides subsp. scabra Ernest C. Twisselmann 1965-4-14 10502 Kern Breckenridge Mountain Road on west side of Cottonwood Creek, Tehachapi-Kernville region 243 Comment
  CAS-BOT-BC522140  Triteleia ixioides subsp. scabra Ernest C. Twisselmann 1965-4-14 10502 Kern Breckenridge Mountain Road on west side of Cottonwood Creek, Tehachapi-Kernville region 243 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-BC526402  Triteleia laxa Ernest C. Twisselmann 1959-5-2 5175 Kern Breckenridge Mountain Road, 8.7 miles west of Munzer Meadow 1036 Comment
  CAS-BOT-BC526419  Triteleia laxa Ernest C. Twisselmann 1966-5-10 12139 Kern Piute Mountains: Haight Canyon, 0.8 mile east of Havilah 1036 Comment
  CAS-BOT-BC526420  Triteleia laxa Ernest C. Twisselmann 1966-5-20 12246 Kern Ridge at the head of Tweedy Creek (mountains east of Keene) 1539 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-BC530290  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-BC530310  Zigadenus exaltatus Ernest C. Twisselmann 1965-4-14 10514 Kern West side of Breckenridge Mountains 1036 Comment
  CAS-BOT-BC534894  Spirodela polyrhiza Ernest C. Twisselmann 1956-8-10 3119 Kern Buena Vista Slough floodgates 4.1 miles northwest of Tupman 82 Comment
  CAS-BOT-BC536343  Potentilla biennis Ernest C. Twisselmann 1964-6-21 9694 Kern Canyon at the east end of Bear Valley, Tehachapi Mountains 1310 Comment
  CAS-BOT-BC536344  Potentilla biennis Ernest C. Twisselmann 1963-8-8 8842 Kern Cienegas near the head of Tejon Creek, Tehachapi Mountains 1615 Comment
  CAS-BOT-BC536347  Potentilla gracilis var. fastigiata Ernest C. Twisselmann 1962-6-22 7315 Kern Weldon Meadow, Piute Mountains, Tehachapi-Kernville Region 2087 Comment
  CAS-BOT-BC53685  Azolla filiculoides Ernest C. Twisselmann 1956-8-10 3118 Kern Temblor Range and teh Western San Juaqin Valley - Buena Vista Slough floodgates 4.1 miles northwest of Tupman 82 Comment
  CAS-BOT-BC536873  Viola glabella Ernest C. Twisselmann 1959-5-21 5242 Kern Sierra Nevada, Greenhorn Range: Sandy Creek, west slope of Sunday Peak 1737 Comment
  CAS-BOT-BC536874  Viola glabella Ernest C. Twisselmann 1963-6-27 8542 Kern Sierra Nevada, Greenhorn Range: Little Poso Creek below Pettitt Meadow 1417 Comment
  CAS-BOT-BC536875  Viola glabella Ernest C. Twisselmann 1963-6-27 8542 Kern Sierra Nevada, Greenhorn Range: Little Poso Creek below Pettitt Meadow 1417 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-BC540536  Potentilla gracilis var. fastigiata Ernest C. Twisselmann 1963-8-30 8930 Kern French Meadow, Piute Mountains, Tehachapi-Kernville Region 2072 Comment
  CAS-BOT-BC540537  Potentilla gracilis var. fastigiata Ernest C. Twisselmann 1958-8-19 4698 Kern Squirrel Meadow, Breckenridge Mountain, Tehachapi-Kernville Region 2072 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-BC56722  Cylindropuntia echinocarpa Ernest C. Twisselmann 1957-5-10 3541 Kern Field redacted by CAS, contact the data manager for more information 929 Comment
  CAS-BOT-BC57923  Equisetum X ferrissii Ernest C. Twisselmann 1961-10-5 6626 Kern Kern River at Hart Memorial Park. 152 Comment
  CAS-BOT-BC57924  Equisetum X ferrissii Ernest C. Twisselmann 1961-10-5 6626 Kern Kern River at Hart Memorial Park. 152 Comment
  CAS-BOT-BC58040  Sclerocactus polyancistrus Ernest C. Twisselmann 1965-5-6 11565 Kern Field redacted by CAS, contact the data manager for more information 1280 Comment
  CAS-BOT-BC59138  Sedum spathulifolium Ernest C. Twisselmann 1961-5-23 6161 Kern El Paso Canyon about the Meadows Place, Tejon Ranch. 1066 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-BC61287  Streptanthus cordatus var. cordatus Ernest C. Twisselmann 1966-6-9 12373 Kern Tehachapi-Kernville Region. Sweetwater Ridge (southeast of Cache Peak). 1584 Comment
  CAS-BOT-BC66036  Athyrium filix-femina var. cyclosorum Ernest C. Twisselmann 1961-7-27 6394 Kern Cienaga on the east slope of Sunday Peak 2164 Comment
  CAS-BOT-BC66988  Thysanocarpus laciniatus Ernest C. Twisselmann 1958-4-17 4336 Kern Mojave Desert. Mojave Randsburg Region. North slope of Soledad Mountains. 1005 Comment
  CAS-BOT-BC67248  Thysanocarpus laciniatus var. hitchcockii Ernest C. Twisselmann 1966-4-12 11900 Kern Mojave Desert. Mojave-Randsburg Region. Iron Canyon, El Paso Range. 868 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-BC67748  Pellaea andromedifolia Ernest C. Twisselmann 1961-5-23 6165 Kern Tehachapi - Tejon Ranch: El Paso Cnayon, about 0.5 miles below the Meadows Place. 1066 Comment
  CAS-BOT-BC67952  Cystopteris fragilis Ernest C. Twisselmann 1962-9-18 7743 Kern Sierra Nevada, Greenhorn Range - Mountain Meadow, east slope of Sunday Peak. 2164 Comment
  CAS-BOT-BC70893  Dryopteris arguta Ernest C. Twisselmann 1958-8-7 4581 Kern Tejon Ranch: El Paso Creek Canyon 822 Comment
  CAS-BOT-BC70894  Dryopteris arguta Ernest C. Twisselmann 1958-8-7 4581 Kern Tejon Ranch: El Paso Creek Canyon 822 Comment
  CAS-BOT-BC71310  Pellaea mucronata Ernest C. Twisselmann 1966-5-20 12249 Kern High slope ca. 5.5 miles northeast of Tehachapi 1577 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-BC71654  Pentagramma triangularis subsp. triangularis Ernest C. Twisselmann 1964-5-6 9320 Kern Alphie Spring Fork of Jawbone Canyon 1082 Comment
  CAS-BOT-BC72569  Pteridium aquilinum Ernest C. Twisselmann 1957-9-19 4048 Kern Shirley Meadows 2103 Comment
  CAS-BOT-BC74521  Rorippa curvisiliqua Ernest C. Twisselmann 1959-5-21 5214 Kern Sierra Nevada. Greenhorn Range. Lower Shirley Meadow. 2004 Comment
  CAS-BOT-BC74949  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-BC75068  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-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-BC75209  Sisymbrium irio Ernest C. Twisselmann 1963-5-11 8226 Kern Mojave Desert. Mojave-Randsburg Region. Rosamond. Rosamond Boulevard 0.25 mile east of Highway U.S. 6. 708 Comment
  CAS-BOT-BC75213  Sisymbrium irio Ernest C. Twisselmann 1968-10-10 15010 Kern Temblor Range and the Western San Joaquin Valley. Highway 46, 1.5 mile east of Blackwells Corner. 182 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-BC75404  Sisymbrium orientale Ernest C. Twisselmann 1969-5-8 15286 Kern San Joaquin Valley. Porterville Highway, just east of Poplar. 114 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-BC7951  Delphinium parishii subsp. parishii Ernest C. Twisselmann 1957-4-10 3359 Kern El Paso Mountains: Mesquite Canyon 899 Comment
  CAS-BOT-BC83056  Eschscholzia minutiflora Ernest C. Twisselmann 1962-4-11 6933 Kern Mojave Desert. Mojave-Randsburg Region. Mouth of Red Rock Canyon. 609 Comment
  CAS-BOT-BC84653  Anthemis cotula Ernest C. Twisselmann 1956-5-31 2873 Kern Kern River near Enos Road 89 Comment
  CAS-BOT-BC88344  Thysanocarpus curvipes Ernest C. Twisselmann 1957-3-27 3272 Kern Tehachapi-Kernville Region. Tehachapi Mountains. Horsethief Flat Road. 624 Comment
  CAS-BOT-BC88571  Hornungia procumbens Ernest C. Twisselmann 1958-3-22 4189 Kern Eastern San Joaquin Valley. Along DiGiorgio Road, 3.3 miles west of Lamont. 129 Comment
  CAS-BOT-BC88572  Hornungia procumbens Ernest C. Twisselmann 1958-3-22 4189 Kern Eastern San Joaquin Valley. Along DiGiorgio Road, 3.3 miles west of Lamont. 129 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-BC91698  Platystemon californicus Ernest C. Twisselmann 1961-5-23 6141 Kern Tehachapi Mountains. Tejon Ranch. Rising Canyon. 1097 Comment
  CAS-BOT-BC91699  Platystemon californicus Ernest C. Twisselmann 1961-5-23 6141 Kern Tehachapi Mountains. Tejon Ranch. Rising Canyon. 1097 Comment
  CAS-BOT-BC91701  Platystemon californicus Ernest C. Twisselmann 1962-3-30 6734 Kern Temblor Range and Western San Joaquin Valley. Shale Hills. 335 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-BC95383  Bowlesia incana Ernest C. Twisselmann 1965-4-21 10552 Kern Tejon Canyon, Tehachapi Mountains 838 Comment
  CAS-BOT-BC95384  Bowlesia incana Ernest C. Twisselmann 1965-4-21 10552 Kern Tejon Canyon, Tehachapi Mountains 838 Comment
  CAS-BOT-BC9582  Erythranthe discolor Ernest C. Twisselmann 1962-6-22 7297 Kern Piute Mountain: Walker Basin road 3.2 miles west of the junction with Bodfish Road. 2255 Comment
  CAS-BOT-BC9585  Erythranthe discolor Ernest C. Twisselmann 1962-6-22 7331 Kern French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC9596  Erythranthe discolor Ernest C. Twisselmann 1965-7-27 11229 Kern Swale at the head of Mill Creek on the north slope of Breckenridge Mountain. 2255 Comment
  CAS-BOT-BC9735  Mimulus barbatus Ernest C. Twisselmann 1965-7-28 11334 Kern Pine Flat, Kern Plateau 2225 Comment
  CAS-BOT-BC97514  Symphyotrichum ascendens Ernest C. Twisselmann 1964-10-17 10296 Kern Crest of Piute Mountain, 1.4 mile south of Saddle Springs 2209 Comment
  CAS-BOT-BC97517  Symphyotrichum ascendens Ernest C. Twisselmann 1964-10-17 10296 Kern Crest of Piute Mountain, 1.4 mile south of Saddle Springs 2209 Comment
  CAS-BOT-BC97931  Symphyotrichum frondosum Ernest C. Twisselmann 1964-8-22 10162 Kern Monolith 1200 Comment
  CAS-BOT-BC99030  Symphyotrichum chilense Ernest C. Twisselmann 1966-8-26 12736 Kern Sierra Nevada, Greenhorn Range - White River Road at Fugitt Road 853 Comment
  JEPS27226  Symphyotrichum subulatum Ernest C. Twisselmann 1961-10-5 6622 Kern Hart Memorial Park Eastern San Joaquin Valley, Kern River 152 Comment
  JEPS27688  Erigeron divergens Ernest C. Twisselmann 1961-7-26 6360 Kern 2 mi w Kern River; Greenhorn Range, Bull Run Creek 1127 Comment
  JEPS27703  Layia glandulosa Ernest C. Twisselmann 1961-5-24 6230 Kern Tejon Ranch, Monroe Spring, Bear Trap Canyon Tehachapi Mountains, Tejon Ranch, Monroe Spring, Bear Trap C 1645 Comment
  JEPS27721  Castilleja applegatei subsp. martinii Ernest C. Twisselmann 1961-6-22 6295 Kern 1.2 mi e Bitter Creek Saddle (Mt Pinos Road, throughout the Mt Pinos region, Kern and Ventura Counties); San Emigdio Range, Mt. Pinos Region 2468 Comment
  JEPS29218  Pseudognaphalium thermale Ernest C. Twisselmann 1962-8-27 7731 Kern head of Lumreau Creek; Sierra Nevada, The Greenhorn Range, Lumreau Creek 1249 Comment
  JEPS31027  Symphyotrichum lanceolatum var. hesperium Ernest C. Twisselmann 1959-11-26 5909 Kern near, Ernest Still Ranch Annette; Temblor Range, Western San Joaquin Valley 640 Comment
  JEPS32583  Castilleja attenuata Ernest C. Twisselmann 1963-5-17 8236 Kern s side Poso Creek Narrows; Sierra Nevada, Greenhorn Range 914 Comment
  JEPS32599  Pseudognaphalium californicum Ernest C. Twisselmann 1963-6-11 8408 Kern at the mouth Cow Flat Creek; Tehachapi-Kernville Region, Kern Canyon, Cow Flat Creek 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
  JEPS33418  Scrophularia californica subsp. floribunda Ernest C. Twisselmann 1963-9-18 9022 Kern slope above ne side Lake Isabella 807 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
  JEPS36121  Castilleja attenuata Ernest C. Twisselmann 1964-4-25 9257 Kern ca 3 mi sw Woody (slope on the s side of Howling Gulch); Sierra Nevada, Greenhorn Range, Howling Gulch 792 Comment
  JEPS37872  Castilleja applegatei subsp. martinii Ernest C. Twisselmann 1964-6-21 9636 Kern e slope Bear Mountain; Tehachapi Mountains 1889 Comment
  JEPS52094  Castilleja exserta subsp. exserta Ernest C. Twisselmann 1965-4-14 10534 Kern foot of Rattlesnake Creek Sierra Nevada, Greenhorn Range, Rattlesnake Creek 594 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
  JEPS52187  Erigeron foliosus var. foliosus Ernest C. Twisselmann 1966-9-8 12767 Kern e fort of upper San Emigdio; San Emigdio Range, Mt. Pinos Region 1668 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
  RSA0008472  Layia leucopappa E. C. Twisselmann 1969-4-19 15145 Kern Comanche Hills along Tejon Creek, 1 mile above its mouth. 335 Comment
  RSA0016180  Gilia ochroleuca subsp. ochroleuca E. C. Twisselmann 1958-4-17 4324 Kern Plain at the north end of Soledad Mountain 854 Comment
  RSA0033362  Delphinium gypsophilum E. C. Twisselmann 1965-4-26 10637 Kern Adobe Canyon.Mouth of Cottonwood Canyon, Avenal Ridge, Diablo Range 320 Comment
  RSA0036089  Potamogeton foliosus Ernest C. Twisselmann 1966-8-26 12735 Kern Cedar Creek just below the mouth of Fulton Creek. 792 Comment
  RSA0061051  Quercus chrysolepis E. C. Twisselmann 1967-9-19 13709 Kern Summit of Scodie (Kiahvah) Mtn. 1982 Comment
  RSA0082509  Gilia brecciarum subsp. brecciarum Ernest C. Twisselmann 1961-5-24 6238 Kern High summit south of Purdy Canyon. 1950 Comment
  RSA0082518  Datura wrightii Ernest C. Twisselmann 1963-8-8 8856 Kern Tejon Pass: 0.5 mile west of White Oak Lodge. 1524 Comment
  RSA0082528  Solanum xanti Ernest C. Twisselmann 1965-6-23 11052 Kern Foot of Purdy Ridge south of Purdy Canyon, Tejon Ranch. 1645 Comment
  RSA0082532  Amelanchier utahensis Ernest C. Twisselmann 1961-5-24 6205 Kern Near headwaters of Catskin Creek. 1798 Comment
  RSA0082533  Cerastium glomeratum Ernest C. Twisselmann 1965-4-21 10588 Kern Tejon Canyon. 762 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
  RSA0082618  Phacelia tanacetifolia Ernest C. Twisselmann 1962-4-9 6871 Kern Tejon Hills, about 3 miles northwest of the old Tejon Ranch Headquarters. 388 Comment
  RSA0082628  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
  RSA0082633  Lupinus microcarpus var. microcarpus Ernest C. Twisselmann 1965-6-24 11094 Kern Castaic lake, Tejon Ranch. 1051 Comment
  RSA0082651  Garrya flavescens Ernest C. Twisselmann 1961-5-24 6234 Kern Tejon Ranch: Monroe Spring, Bear Trap Canyon. 1645 Comment
  RSA0082654  Stipa speciosa Ernest C. Twisselmann 1961-5-24 6224 Kern Tejon Ranch: high plateau above the Knecht Place. 731 Comment
  RSA0082666  Ceanothus integerrimus var. macrothyrsus Ernest C. Twisselmann 1963-8-8 8870 Kern Slope just west of Tejon Pass. 1554 Comment
  RSA0082667  Gilia capitata subsp. abrotanifolia Ernest C. Twisselmann 1962-4-18 6961 Kern Tejon Ranch: Oso Canyon. 1188 Comment
  RSA0082672  Dryopteris arguta Ernest C. Twisselmann 1961-5-23 6161 Kern Tejon Ranch: El Paso Canyon, about 0.5 mile above the Meadows Place. 1066 Comment
  RSA0082675  Ranunculus cymbalaria Ernest C. Twisselmann 1964-7-17 9726 Kern South side of Castaic Lake. 1048 Comment
  RSA0082690  Phacelia davidsonii Ernest C. Twisselmann 1961-5-24 6222 Kern head of Lecheria Canyon (Mojave drainage). 1798 Comment
  RSA0082694  Sanicula graveolens Ernest C. Twisselmann 1961-5-24 6210 Kern Tejon Ranch: Ridge southwest of Catskin Creek. 1859 Comment
  RSA0082702  Nicotiana quadrivalvis Ernest C. Twisselmann 1965-6-24 11087 Kern Telephone Road north of Rising Canyon, Tejon Ranch. 1034 Comment
  RSA0082705  Veronica anagallis-aquatica Ernest C. Twisselmann 1965-6-24 11080 Kern Camel Spring. Rising Canyon, Tejon Ranch. 1371 Comment
  RSA0082710  Poa secunda subsp. secunda Ernest C. Twisselmann 1961-5-23 6197 Kern Telephone Road dropping into Monroe canyon. Comment
  RSA0082711  Carex praegracilis Ernest C. Twisselmann 1964-7-17 9734 Kern Cienega above the south side of Castaic Lake. 1051 Comment
  RSA0082720  Platystemon californicus Ernest C. Twisselmann 1961-5-23 6141 Kern Rising Canyon. 1097 Comment
  RSA0082743  Vicia americana subsp. americana Ernest C. Twisselmann 1961-5-24 6253 Kern Tejon Ranch: Giegis Ridge. 1463 Comment
  RSA0082756  Schoenoplectus americanus Ernest C. Twisselmann 1964-7-17 9768 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
  RSA0082764  Amsinckia tessellata var. tessellata Ernest C. Twisselmann 1962-4-18 6976 Kern Oso Canyon, ca. 1 mile above Oso Corral. Comment
  RSA0082779  Triteleia ixioides subsp. scabra Ernest C. Twisselmann 1961-5-23 6189 Kern Tejon Ranch: Telephone Road above Tunnel Road. 1371 Comment
  RSA0082780  Lupinus microcarpus var. microcarpus Ernest C. Twisselmann 1961-5-23 6180 Kern Tejon Ranch: Rising Canyon. 1097 Comment
  RSA0082781  Gilia modocensis Ernest C. Twisselmann 1961-5-24 6232 Kern Tejon Ranch: Monroe Spring, Bear Trap Canyon. 1645 Comment
  RSA0083002  Bromus carinatus var. carinatus Ernest C. Twisselmann 1961-5-23 6194 Kern Telephone Road, dropping into Monroe canyon. 1158 Comment
  RSA0083005  Collinsia heterophylla var. heterophylla Ernest C. Twisselmann 1961-5-23 6168 Kern Tejon Ranch: El Paso Canyon, about 0.5 mile above the Meadows Place. 1066 Comment
  RSA0083010  Lepidium virginicum subsp. menziesii Ernest C. Twisselmann 1963-8-8 8843 Kern Cienegas near the head of Tejon Creek. 1615 Comment
  RSA0086411  Clarkia purpurea subsp. viminea Ernest C. Twisselmann 1965-6-24 11079 Kern Tehachapi Mountains; Telephone road north of Rising Canyon, Tejon Ranch. 1158 Comment
  RSA0086414  Nemophila pulchella var. fremontii E. C. Twisselmann 1965-4-21 10571 Kern Tejon Canyon 1037 Comment
  RSA0094737  Pentagramma pallida E. C. Twisselmann 1964-5-15 9490 Kern South side of Grizzly Gulch on the White River-Rag Gulch road. 487 Comment
  RSA0098562  Spergularia marina var. tenuis Ernest C. Twisselmann 1964-5-26 9545 Kern Enos Road, 1.5 mile south of Rio Bravo School. 91 Comment
  RSA0119642  Eriastrum densifolium subsp. mohavense E. C. Twisselmann 1967-6-28 13539 Kern Red Rock Canyon. 762 Comment
  RSA0126365  Arabis glabra E. C. Twisselmann 1965-7-27 11261 Kern Squirrel Meadow, Brekenridge Mountain. 2073 Comment
  RSA113749  Aquilegia formosa E. C. Twisselmann 1955-6-23 2199 Kern Upper San Emigdio Creek, 1524 Comment
  RSA115480  Eriogonum nudum var. pauciflorum E. C. Twisselmann 1955-8-10 2333 Kern Mt. Pinos Road, end of new highway near McGill Public Camp. 2317 Comment
  RSA115492  Rorippa palustris subsp. occidentalis E. C. Twisselmann 1955-4-19 1882 Kern Buena Vista Canal, 2.6 miles E of Lost Hills. 91 Comment
  RSA115569  Eriogonum baileyi var. baileyi E. C. Twisselmann 1955-9-16 2412 Kern Walker Pass: 1 mile west of the summit. 1524 Comment
  RSA115571  Eriogonum inflatum var. inflatum E. C. Twisselmann 1955-9-16 2403 Kern Rand Mountains, 1 mile northeast of Randsburg. 1078 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
  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
  RSA116543  Chloris virgata E. C. Twisselmann 1954-9-1 1541 Kern Antelope Valley: 0.5 mile east of Iver Hansen Ranch Headquarters, western Kern County., [ 34 deg 31'35N, 120 deg 01'30W] 305 Comment
  RSA118216  Gilia tetrabreccia E. C. Twisselmann 1957-6-5 651 Kern Piute Mountain- walker Basin Road, 0.8 mi. west of the National Forest Boundary. 1814 Comment
  RSA162526  Sidalcea malviflora subsp. sparsifolia E. C. Twisselmann 1963-6-11 8455 Kern Weldon Highway just below Kern Hot Springs 793 Comment
  RSA164085 <