Search Results — 2000 specimen records retrieved (1468 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=KERN; Source=All; Collector=Twisselmann;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

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

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? 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-BC100384  Brickellia californica Ernest C. Twisselmann 1963-9-18 9039 Kern Kern River just above Kernville 838 Comment
  CAS-BOT-BC100901  Cirsium crassicaule Ernest C. Twisselmann 1965-3-17 10465 Kern Goose Lake Canal near the south boundary of the Refuge, Kern National Wildlife Refuge 68 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-BC102113  Bidens cernua Ernest C. Twisselmann 1958-11-1 4900 Kern Greenfield Region: Canal at Cottonwood Road & DiGiorgio Road. 128 Comment
  CAS-BOT-BC102128  Arida carnosa Ernest C. Twisselmann 1954-11-9 1662 Kern Buena Vista Plains: 8 miles north of Buena Vista Lake 91 Comment
  CAS-BOT-BC102195  Arida carnosa Ernest C. Twisselmann 1963-9-19 9047 Kern Bear Mountain Boulevard, 3 miles west of Arvin 106 Comment
  CAS-BOT-BC102197  Arida carnosa Ernest C. Twisselmann 1969-10-16 16303 Kern below & west of Ricardo 792 Comment
  CAS-BOT-BC102200  Arida carnosa Ernest C. Twisselmann 1954-11-9 1662 Kern Buena Vista Plains: 8 miles north of Buena Vista Lake 91 Comment
  CAS-BOT-BC102523  Populus fremontii Ernest C. Twisselmann 1966-7-5 12560 B Kern Basque Encina 1356 Comment
  CAS-BOT-BC102526  Populus fremontii Ernest C. Twisselmann 1962-4-9 6875 Kern Tejon Creek, about 1 mile below the old Tejon Ranch headquarters 304 Comment
  CAS-BOT-BC102531  Populus fremontii Ernest C. Twisselmann 1954-2-28 843 Kern Temblor Ranch: Western Kern County 579 Comment
  CAS-BOT-BC102535  Populus fremontii Ernest C. Twisselmann 1965-10-1 11657 Kern Cedar Creek, just below the mouth of Lumreau Creek 792 Comment
  CAS-BOT-BC10268  Delphinium hansenii var. kernense Ernest C. Twisselmann 1962-6-1 7279 Kern Tehachapi Mountains. Highway U.S. 466 about 2 miles east of Keene 1097 Comment
  CAS-BOT-BC104120  Salix hindsiana Ernest C. Twisselmann 1964-7-17 9715 Kern Sycamore Creek, 0.5 mile east of Arvin 152 Comment
  CAS-BOT-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-BC104819  Quercus wislizeni Ernest C. Twisselmann 1958-8-19 4727 Kern Tehachapi-Kernville Region, Breckenridge Mountain Road, 6.5 miles W of Barrel Spring 1493 Comment
  CAS-BOT-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-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-BC105215  Quercus kelloggii Ernest C. Twisselmann 1964-9-16 10195 Kern Tehachapi-Kernville region. French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC105217  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-BC105754  Corethrogyne filaginifolia Ernest C. Twisselmann 1956-9-20 3184 Kern Piute Peak Road, 0.75 mile west of French Meadow Ranger Station - Tehachapi-Kernville Region 2255 Comment
  CAS-BOT-BC105758  Corethrogyne filaginifolia Ernest C. Twisselmann 1957-8-13 3979 Kern Tehachapi Mountains, Water Canyon - Tehachapi-Kernville Region 1417 Comment
  CAS-BOT-BC105769  Corethrogyne filaginifolia Ernest C. Twisselmann 1956-7-26 3102 Kern Summit of Black Canyon - Temblor Range and the Western San Joaquin Valley 1280 Comment
  CAS-BOT-BC105793  Corethrogyne filaginifolia Ernest C. Twisselmann 1967-9-19 13719 Kern Summit ridge of Scodie (Kiahvah) Mountain - Tehachapi-Kernville Region 1950 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-BC105948  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest C. Twisselmann 1964-9-16 10180 Kern Crest of Piute Mountain - Tehachapi-Kernville Region 2446 Comment
  CAS-BOT-BC106127  Brickellia nevinii Ernest C. Twisselmann 1966-7-13 12565 Kern Mt. Abel Road, 0.5 mile northwest of Valle Vista Public Camp - San Emigdio Range and the Mt. Pinos Region 1508 Comment
  CAS-BOT-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-BC107473  Salix lasiolepis var. lasiolepis Ernest C. Twisselmann 1959-5-2 5152 Kern Breckenridge Mountain: Munzer Meadow 1920 Comment
  CAS-BOT-BC107476  Salix lasiolepis var. lasiolepis Ernest C. Twisselmann 1963-8-30 8933 Kern Claraville Meadow 1981 Comment
  CAS-BOT-BC107926  Salix geyeriana Ernest C. Twisselmann 1971-7-13 18037 Kern Fork of Cannell Creek on Pine Flat - Kern Plateau, Sierra Nevada 2176 Comment
  CAS-BOT-BC108349  Salix gooddingii Ernest C. Twisselmann 1972-9-22 19237 Kern Lake Isabella adjacent to old Kernville site - Sierra Nevada 815 Comment
  CAS-BOT-BC108385  Salix exigua Ernest C. Twisselmann 1961-7-27 6436 Kern Kern River, 0.5 mile below Kernville - Sierra Nevada 803 Comment
  CAS-BOT-BC108396  Salix exigua Ernest C. Twisselmann 1964-8-22 10165 Kern Monolith - Tehachapi Mountains 1203 Comment
  CAS-BOT-BC108400  Salix exigua Ernest C. Twisselmann 1956-5-3 2744 Kern Toad Spring, summit of Quatal Canyon - San Emigdio Range 1737 Comment
  CAS-BOT-BC108951  Goodmania luteola Ernest C. Twisselmann 1965-5-5 10664 Kern Mojave Desert. Mojave-Randsburg Region. Northwest end of Buckhorn Lake, Edwards Air Force Base. 746 Comment
  CAS-BOT-BC108955  Goodmania luteola Ernest C. Twisselmann 1965-5-5 10713 Kern Mojave Desert. Mojave-Randsburg Region. South end of Rogers Lake, Edwards Air Force Base. 746 Comment
  CAS-BOT-BC108957  Goodmania luteola Ernest C. Twisselmann 1965-5-18 10819 Kern Mojave Desert. Mojave-Randsburg Region. Southwest end of Rogers Lake, Edwards Air Force Base. 731 Comment
  CAS-BOT-BC111509  Schoenoplectus americanus Ernest C. Twisselmann 1962-9-25 38919 Kern Near Kernville 807 Comment
  CAS-BOT-BC111688  Schoenoplectus pungens var. longispicatus Ernest C. Twisselmann 1963-9-18 9026 Kern Onyx Ranches line camp, Freeman Canyon. 1097 Comment
  CAS-BOT-BC111851  Schoenoplectus saximontanus Ernest C. Twisselmann 1964-9-29 10245 Kern The Kern National Wildlife Refuge, San Joaquin Valley 76 Comment
  CAS-BOT-BC112248  Eleocharis rostellata Ernest C. Twisselmann 1963-6-3 8345 Kern Black Bob Canyon 1097 Comment
  CAS-BOT-BC112373  Fimbristylis vahlii Ernest C. Twisselmann 1958-9-3 4760 Kern Kern River, 2.2 miles W of Stockdale Country Club. 114 Comment
  CAS-BOT-BC112829  Eleocharis macrostachya Ernest C. Twisselmann 1964-9-29 10235 Kern Canal, The Kern National Wildlife Refuge. 76 Comment
  CAS-BOT-BC112830  Eleocharis macrostachya Ernest C. Twisselmann 1964-9-29 10235 Kern Canal, The Kern National Wildlife Refuge. 76 Comment
  CAS-BOT-BC113246  Eleocharis parishii Ernest C. Twisselmann 1958-8-13 4652 B Kern Small seep on the Greenhorn Pass Road, just south of Tiger Flat. 2011 Comment
  CAS-BOT-BC113252  Eleocharis parishii Ernest C. Twisselmann 1954-6-27 1409 Kern Las Yeguas Creek: 2 miles N of Las Yeguas Ranch, Temblor Mountains. 731 Comment
  CAS-BOT-BC113273  Eleocharis parishii Ernest C. Twisselmann 1955-8-10 2339 Kern East fork of San Emigdio Creek. 1645 Comment
  CAS-BOT-BC113276  Eleocharis parishii Ernest C. Twisselmann 1964-10-20 10299 Kern Mesquite Spring, El Paso Mountains. 617 Comment
  CAS-BOT-BC113656  Eleocharis acicularis Ernest C. Twisselmann 1963-9-6 8961 Kern Lake Woolloomes, near Delano. 114 Comment
  CAS-BOT-BC113861  Cyperus niger var. capitatus Ernest C. Twisselmann 1961-7-27 6458 Kern Kern River at Borel Intake (east of Wofford). 784 Comment
  CAS-BOT-BC113862  Cyperus niger var. capitatus Ernest C. Twisselmann 1965-10-1 11635 Kern Lumreau Creek, ca. 0.5 mi above Cedar Creek. 822 Comment
  CAS-BOT-BC116655  Carex subfusca Ernest C. Twisselmann 1962-7-19 7489 Kern French Meadow, Piute Mountains. 2072 Comment
  CAS-BOT-BC116657  Carex subfusca Ernest C. Twisselmann 1955-10-21 2492 Kern Piute Peak Road, 1 mi W of French Meadow Ranger Station. 2191 Comment
  CAS-BOT-BC117413  Carex senta Ernest C. Twisselmann 1964-5-26 9522 Kern East end of Walker Basin 1188 Comment
  CAS-BOT-BC121573  Delphinium patens subsp. montanum Ernest C. Twisselmann 1962-6-22 7301 Kern Piute Mtns, Woolstaff Meadow 2270 Comment
  CAS-BOT-BC121576  Delphinium patens subsp. montanum Ernest C. Twisselmann 1964-6-10 9554 Kern Tecuya Ridge, Mt. Pinos region 1950 Comment
  CAS-BOT-BC121941  Delphinium recurvatum Ernest C. Twisselmann 1955-4-19 1876 Kern Goose Lake alkaline sink 91 Comment
  CAS-BOT-BC121945  Delphinium recurvatum Ernest C. Twisselmann 1958-3-22 4149 Kern Corcoran Highway, 0.5 mile north of Pond. 106 Comment
  CAS-BOT-BC121947  Delphinium recurvatum Ernest C. Twisselmann 1958-3-22 4166 Kern Corcoran Highway, 1.5 miles North of US 466. 68 Comment
  CAS-BOT-BC125642  Salix melanopsis Ernest C. Twisselmann 1961-7-27 6436 Kern Kern River, 0.5 mile below Kernville 803 Comment
  CAS-BOT-BC125645  Salix melanopsis Ernest C. Twisselmann 1961-10-30 6673 Kern Cache Creek: Sand Canyon at the mouth of Horse Canyon 1203 Comment
  CAS-BOT-BC126845  Ceanothus palmeri Ernest C. Twisselmann 1955-6-23 2192 Kern Upper San Emigdio Canyon 1493 Comment
  CAS-BOT-BC127259  Agrostis exarata Ernest C. Twisselmann 1957-8-5 3938 Kern Sierra Nevada. Greenhorn Range. Tiger Flat. 1950 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-BC127264  Agrostis exarata Ernest C. Twisselmann 1956-9-14 3147 Kern San Emigdio Range. Mount Pinos. 1.7 mile east of the summit. 2560 Comment
  CAS-BOT-BC127268  Agrostis exarata Ernest C. Twisselmann 1957-8-5 3938 Kern Sierra Nevada. Greenhorn Range. Tiger Flat. 1950 Comment
  CAS-BOT-BC12809  Lepidium perfoliatum Ernest C. Twisselmann 1964-5-7 9360 Kern Mojave Desert. Mojave-Randsburg Region. Cottonwood grove at the north end of Rosamund Lake, Edwards Air Force Base. 601 Comment
  CAS-BOT-BC128166  Salix lasiandra var. lasiandra Ernest C. Twisselmann 1958-8-7 4584 Kern Tejon Ranch: El Paso Canyon - Tehachapi-Kernville Region 914 Comment
  CAS-BOT-BC129115  Salix scouleriana Ernest C. Twisselmann 1965-7-27 11180 Kern Breckenridge Mountain Road at the south fork of upper Lucas Creek - Tehachapi-Kernville region 1874 Comment
  CAS-BOT-BC129117  Salix scouleriana Ernest C. Twisselmann 1964-7-23 9791 Kern Saddle between Cane Peak & Black Mountain - Greenhorn Range, Sierra Nevada 2011 Comment
  CAS-BOT-BC129800  Salix bonplandiana Ernest C. Twisselmann 1971-6-21 17785 Kern South fork of Kern river, 0.5 mile below the Kernville Highway bridge, along the S Fork to Lk Isabella - Sierra Nevada 762 Comment
  CAS-BOT-BC129810  Salix bonplandiana Ernest C. Twisselmann 1961-4-14 6044 Kern Ernest Still Ranch, 1/2 mile south of Annette - Temblor Range and the Western San Joaquin Valley 609 Comment
  CAS-BOT-BC129823  Salix bonplandiana Ernest C. Twisselmann 1961-8-22 6527 Kern Grapevine Canyon (west of Indian Wells Valley) 914 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-BC130892  Deinandra arida Ernest C. Twisselmann 1966-3-29 11763 Kern Red Rock Canyon 762 Comment
  CAS-BOT-BC130895  Deinandra arida Ernest C. Twisselmann 1964-10-21 10400 Kern Red Rock Canyon 701 Comment
  CAS-BOT-BC131118  Encelia actoni Ernest C. Twisselmann 1963-5-10 8170 Kern Willow Springs Road 3.8 miles west of Mojave 899 Comment
  CAS-BOT-BC131131  Encelia actoni Ernest C. Twisselmann 1968-6-13 14322 Kern Cholla Canyon on the west slope of Scodie Mountain 1280 Comment
  CAS-BOT-BC131146  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-BC132435  Calochortus palmeri Ernest C. Twisselmann 1962-6-22 7310 Kern Weldon Meadow, Piute Mountains 2087 Comment
  CAS-BOT-BC133161  Adenostoma fasciculatum Ernest C. Twisselmann 1957-6-5 3661 Kern Caliente Canyon: 3.2 miles above Caliente 457 Comment
  CAS-BOT-BC13376  Agoseris retrorsa Ernest C. Twisselmann 1962-6-22 7302 Kern Piute Mountains: Woolstaff Meadow 2270 Comment
  CAS-BOT-BC13395  Agoseris retrorsa Ernest C. Twisselmann 1964-6-21 9644 Kern Tehachapi Mountains: summit of the east flank of Bear Mountain 1981 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-BC135993  Ericameria cooperi var. cooperi Ernest C. Twisselmann 1957-5-10 3524 Kern Mohave Desert: 4.1 miles north of Mohave - Mohave-Randsburg Region 838 Comment
  CAS-BOT-BC136023  Ericameria cooperi var. cooperi Ernest C. Twisselmann 1966-4-26 11995 Kern Ridge between El Paso Peaks - Mojave-Randsburg Region, Mojave Desert 1325 Comment
  CAS-BOT-BC137013  Cercocarpus betuloides var. betuloides Ernest C. Twisselmann 1964-6-21 9658 Kern East slope of Bear Mountain 1676 Comment
  CAS-BOT-BC137016  Cercocarpus betuloides var. betuloides Ernest C. Twisselmann 1961-5-24 6223 Kern Tejon Ranch: Secretario Canyon (Mojave drainage) 1188 Comment
  CAS-BOT-BC137339  Horkeliella purpurascens Ernest C. Twisselmann 1962-7-19 7497 Kern Grouse Meadow, Piute Mountains 2186 Comment
  CAS-BOT-BC137340  Horkeliella purpurascens Ernest C. Twisselmann 1965-7-27 11251 Kern Meadow at Breckenridge Public Camp 2065 Comment
  CAS-BOT-BC137344  Horkeliella purpurascens Ernest C. Twisselmann 1958-8-19 4717 Kern Breckenridge Mountain: Barrel Spring 1981 Comment
  CAS-BOT-BC137348  Horkeliella purpurascens Ernest C. Twisselmann 1965-7-27 11201 Kern Mill Creek at Breckenridge Mountain Road 2072 Comment
  CAS-BOT-BC137965  Alopecurus saccatus Ernest C. Twisselmann 1954-4-6 1006 Kern Temblor Range and the Western San Joaquin Valley. Alkali Sink: 10 miles north of Lost Hills. 106 Comment
  CAS-BOT-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-BC139686  Agrostis gigantea Ernest C. Twisselmann; T. Franklin Twisselmann 1972-9-21 19205 Kern Sierra Nevada. Greenhorn Range. Poso Creek, 1 mile west of Glennville (at the Fettermann Place). 853 Comment
  CAS-BOT-BC141132  Phoradendron serotinum subsp. macrophyllum Ernest C. Twisselmann 1969-11-26 16346 Kern Dry creek below the Goat Ranch (S of South Lake, Lake Isabella), Tehachapi-Kernville Region 853 Comment
  CAS-BOT-BC141292  Phoradendron serotinum subsp. tomentosum Ernest C. Twisselmann 1965-10-5 11678 Kern Don's Canyon, a fork of upper Cedar Canyon. Temblor Range and Western San Joaquin Valley. Sierra Nevada 548 Comment
  CAS-BOT-BC142418  Ivesia santolinoides Ernest C. Twisselmann 1956-9-14 3156 Kern Mt. Pinos, at the summit - San Emigdio Range 2688 Comment
  CAS-BOT-BC142571  Amelanchier utahensis Ernest C. Twisselmann 1961-5-24 6205 Kern Tejon Ranch, near the head of Catskin Creek - Tehachapi Mountains 1798 Comment
  CAS-BOT-BC142709  Phacelia exilis Ernest C. Twisselmann 1965-7-27 11255 Kern Northeast slope of Breckenridge Mountain, 0.5 mile east of Breckenridge Public Camp 2065 Comment
  CAS-BOT-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-BC144289  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-BC144290  Bromus arizonicus Ernest C. Twisselmann 1955-4-19 1880 Kern Temblor Range and the Western San Joaquin Valley. Goose Lake alkaline sink. 91 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-BC145055  Phacelia mohavensis Ernest C. Twisselmann 1965-7-27 11200 Kern Mill Creek at Breckenridge Mountain Road 2072 Comment
  CAS-BOT-BC145057  Phacelia mohavensis Ernest C. Twisselmann 1965-7-27 11255 Kern Northeast slope of Breckenridge Mountain, 0.5 mile east of Breckenridge Public Camp 2065 Comment
  CAS-BOT-BC145063  Phacelia mohavensis Ernest C. Twisselmann 1962-7-19 7500 Kern Grouse meadow, Piute Mountains 2186 Comment
  CAS-BOT-BC145764  Avena sativa Ernest C. Twisselmann 1957-6-21 3736 Kern Sierra Nevada. Greenhorn Range. Tiger Flat. 2019 Comment
  CAS-BOT-BC145911  Avena fatua Ernest C. Twisselmann 1961-5-23 6184 Kern Tehachapi Mountains. Tejon Ranch. Telephone Road above Pastoria Canyon. 1005 Comment
  CAS-BOT-BC145915  Avena fatua Ernest C. Twisselmann 1957-3-25 3266 Kern Eastern San Joaquin Valley. Porterville Road 1.5 mile north of Oildale. 152 Comment
  CAS-BOT-BC145917  Avena fatua Ernest C. Twisselmann 1962-8-27 7729 Kern Sierra Nevada. Greenhorn Range. High hill above the head of Lumreau Creek. 1310 Comment
  CAS-BOT-BC146004  Avena fatua Ernest C. Twisselmann 1963-4-18 8092 Kern San Emigdio Range and the Mount Pinos Region. San Emigdio Canyon. 594 Comment
  CAS-BOT-BC146008  Avena fatua Ernest C. Twisselmann 1962-4-9 6870 Kern Eastern San Joaquin Valley. Tejon Hills, about 4 miles northwest of the old Tejon Ranch Headquarters. 388 Comment
  CAS-BOT-BC146010  Avena fatua Ernest C. Twisselmann 1970-5-6 16474 Kern Mojave Desert. Red Rock Canyon. Box Canyon northeast of Sullivan Spring. 838 Comment
  CAS-BOT-BC146014  Avena fatua Ernest C. Twisselmann 1956-4-23 2723 Kern Temblor Range and the Western San Joaquin Valley. Summit of Orchard Peak (Antelope Mountain) 955 Comment
  CAS-BOT-BC146046  Avena fatua Ernest C. Twisselmann 1971-4-26 17606 Kern Sierra Nevada. Highway just above KR3 Power House. 822 Comment
  CAS-BOT-BC146248  Arundo donax Ernest C. Twisselmann 1954-10-24 1641 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough. 3.6 miles northwest of Tupman. From Buena Vista Lake to Tulare Lake. 91 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-BC146454  Rosa bridgesii Ernest C. Twisselmann 1957-7-23 3830 Kern Portugese Pass Road, 4.1 miles north of Greenhorn Pass 1920 Comment
  CAS-BOT-BC147120  Rubus glaucifolius Ernest C. Twisselmann 1964-9-16 10175 Kern North end of Piute Mountain: 7.7 miles above Bodfish Gap 1943 Comment
  CAS-BOT-BC147252  Rubus parviflorus Ernest C. Twisselmann 1966-6-23 12410 Kern Summit Road, 1.7 miles south of Greenhorn Pass 1996 Comment
  CAS-BOT-BC147425  Rosa californica Ernest C. Twisselmann 1962-11-14 8008 Kern Fort Tejon 975 Comment
  CAS-BOT-BC147427  Rosa californica Ernest C. Twisselmann 1964-6-21 9690 Kern Canyon at the east end of Bear Valley 1310 Comment
  CAS-BOT-BC148498  Cercocarpus ledifolius var. ledifolius Ernest C. Twisselmann 1966-7-13 12578 Kern Slope southeast of Mil Potreros - San Emigdio Range and the Mt. Pinos Region 1676 Comment
  CAS-BOT-BC148877  Bromus carinatus var. marginatus Ernest C. Twisselmann 1957-6-5 3638 Kern Tehachapi-Kernville Region. Piute Mountains. Bodfish Road 1.9 mile northwest of Saddle Springs. 2011 Comment
  CAS-BOT-BC148889  Bromus carinatus var. carinatus Ernest C. Twisselmann 1961-5-23 6198 Kern Tehachapi Mountains. Tejon Ranch. Telephone Road dropping into Monroe Canyon. 1158 Comment
  CAS-BOT-BC148890  Bromus carinatus var. marginatus Ernest C. Twisselmann 1957-6-5 3638 Kern Tehachapi-Kernville Region. Piute Mountains. Bodfish Road 1.9 mile northwest of Saddle Springs. 2011 Comment
  CAS-BOT-BC148894  Bromus carinatus var. marginatus Ernest C. Twisselmann 1955-6-7 2095 Kern San Emigdio Range. Mount Abel Road, 0.2 mile north of Ventura County Line. 1463 Comment
  CAS-BOT-BC149347  Bromus arizonicus Ernest C. Twisselmann 1963-4-12 8023 Kern San Joaquin Valley. Enos Road 3.5 miles north of Kern River. 91 Comment
  CAS-BOT-BC149377  Bromus berteroanus Ernest C. Twisselmann 1966-4-26 12011 Kern Mojave Desert. Mojave-Randsburg Region. East base of Galileo Hill. 975 Comment
  CAS-BOT-BC149596  Bromus carinatus var. carinatus Ernest C. Twisselmann 1963-7-10 8698 Kern Sierra Nevada. Kern Plateau. Fork of Cannell Creek on Pine Flat. 2164 Comment
  CAS-BOT-BC151144  Prunus subcordata Ernest C. Twisselmann 1963-6-3 8344 Kern Black Bob Canyon - San Emigdio Range and the Mt. Pinos Region 1097 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-BC151723  Diplacus fremontii Ernest C. Twisselmann 1965-5-18 10825 Kern Dunes at the northeast end of Buckhorn Lake, Edwards Air Force Base, Mojave-Randsburg Region, Mojave Desert 746 Comment
  CAS-BOT-BC151726  Diplacus fremontii Ernest C. Twisselmann 1963-6-25 8488 Kern Messa Ridge (same station as my Nos. 478, 1143) - Temblor Range and the Western San Joaquin Valley 807 Comment
  CAS-BOT-BC152071  Diplacus calycinus Ernest C. Twisselmann 1958-5-27 4514 Kern Mouth of Indian Wells Canyon, Mojave-Randsburg Region, Mojave Desert 1036 Comment
  CAS-BOT-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-BC152281  Diplacus congdonii Ernest C. Twisselmann 1964-4-25 9230 Kern Howling Gulch at the Schwab Place - Greenhorn Range, Sierra Nevada 792 Comment
  CAS-BOT-BC152878  Phacelia nashiana Ernest C. Twisselmann 1966-4-12 11853 Kern Plants of the Mojave-Randsburg Region (Mojave Desert). Mouth of Last Chance Canyon, El Paso Range. 723 Comment
  CAS-BOT-BC152886  Phacelia nashiana Ernest C. Twisselmann 1966-4-12 11853 Kern Mouth of Last Chance Canyon, El Paso Range 723 Comment
  CAS-BOT-BC152991  Diplacus constrictus Ernest C. Twisselmann 1959-6-2 5353 Kern Mill Potrero 1264 Comment
  CAS-BOT-BC152995  Diplacus constrictus Ernest C. Twisselmann 1957-6-5 3648 Kern Piute Mountain-Walker Basin Road, at the National Forest Boundary 2042 Comment
  CAS-BOT-BC153029  Diplacus constrictus Ernest C. Twisselmann 1965-6-4 10964 Kern Woodard Spring fire road, ca. 1 mile north of Wagy Flat Road 1341 Comment
  CAS-BOT-BC154754  Prunus virginiana var. demissa Ernest C. Twisselmann 1962-6-1 7250 Kern Water Canyon 1584 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-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-BC156086  Bromus diandrus Ernest C. Twisselmann 1961-5-4 6065 Kern Sierra Nevada. Greenhorn Range. Greenhorn Pass Road, 10.8 miles east of Glennville. 1325 Comment
  CAS-BOT-BC156091  Bromus diandrus Ernest C. Twisselmann 1959-5-2 5164 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road, 4 miles west of Munzer Meadow. 1661 Comment
  CAS-BOT-BC156095  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-BC156124  Bromus diandrus Ernest C. Twisselmann 1969-5-21 15352 Kern Mojave Desert. Red Rock Canyon. North end of the Freeway Bridge. 762 Comment
  CAS-BOT-BC156461  Solanum umbelliferum E. C. Twisselmann 1955-8-10 2322 Kern Mt. Abel, 2.6 miles from the summit 2271 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-BC158795  Rubus ursinus Ernest C. Twisselmann 1963-9-18 9037 Kern Kern River just above Kernville - Sierra Nevada 838 Comment
  CAS-BOT-BC159245  Phacelia ramosissima var. subglabra Ernest C. Twisselmann 1962-7-19 7460 Kern Lookout Point, Piute Mountains 2514 Comment
  CAS-BOT-BC159765  Prunus andersonii Ernest C. Twisselmann 1963-5-11 8182 Kern Horse Canyon, Scodie (Kiavah) Mountain 1402 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-BC160649  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-BC160650  Chylismia claviformis subsp. claviformis Ernest C. Twisselmann 1964-5-6 9274 Kern Mojave Desert, the Mojave-Randsburg Region. Highway U.S. 466, 6.5 miles west of Boron 723 Comment
  CAS-BOT-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-BC160685  Chylismia claviformis subsp. claviformis Ernest C. Twisselmann 1964-5-7 9386 Kern Mojave Desert, the Mojave-Randsburg Region. South shore of Rogers Lake, Edwards Air Force Base 609 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-BC160802  Camissonia kernensis subsp. kernensis Ernest C. Twisselmann 1962-5-8 7117 Kern Mojave Desert, the Mojave-Randsburg Region. Grapevine Canyon, southern Sierra Nevada 853 Comment
  CAS-BOT-BC161448  Bromus tectorum Ernest C. Twisselmann 1962-6-22 7328 Kern Tehachapi-Kernville Region. French Meadow, Piute Mountains. 2072 Comment
  CAS-BOT-BC161459  Bromus tectorum Ernest C. Twisselmann 1961-5-4 6079 Kern Sierra Nevada. Greenhorn Pass Road, 3.4 miles west of Wofford Heights. 1089 Comment
  CAS-BOT-BC161460  Bromus tectorum Ernest C. Twisselmann 1959-6-18 5383 Kern Tehachapi-Kernville Region. Breckenridge Mountain. Squirrel Mountain. 2072 Comment
  CAS-BOT-BC161464  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-BC161468  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-BC161883  Bromus rubens Ernest C. Twisselmann 1964-4-25 9254 Kern Sierra Nevada. Greenhorn Range. Slope on the south side of Howling Gulch, ca. 3 miles southeast of Woody. 822 Comment
  CAS-BOT-BC161906  Bromus rubens Ernest C. Twisselmann 1965-3-17 10471 Kern San Joaquin Valley. Kern National Wildlife Refuge. 68 Comment
  CAS-BOT-BC161916  Bromus rubens Ernest C. Twisselmann 1969-5-21 15428 Kern Mojave Desert. Red Rock Canyon. Head of the canyon fork west of Ricardo. 822 Comment
  CAS-BOT-BC162183  Bromus orcuttianus Ernest C. Twisselmann 1964-7-24 9880 Kern Sierra Nevada. Kern Plateau. Trail to Little Cannell Meadow above Pine Flat. 2270 Comment
  CAS-BOT-BC162186  Bromus orcuttianus Ernest C. Twisselmann 1963-7-9 8582 Kern Sierra Nevada. Greenhorn Range. West slope of Black Mountain. 2072 Comment
  CAS-BOT-BC162689  Camissonia integrifolia Ernest C. Twisselmann 1962-5-7 7041 Kern Mouth of Kelso Canyon (at Highway 178), Tehachapi-Kerville Region 853 Comment
  CAS-BOT-BC162690  Camissonia kernensis subsp. gilmanii Ernest C. Twisselmann 1962-5-7 7060 Kern Mouth of the canyon north of El Paso Peak, Mojave-Randsburg Region, Mojave Desert 899 Comment
  CAS-BOT-BC162961  Eremothera boothii subsp. decorticans Ernest C. Twisselmann 1969-5-21 15322 Kern Sandy flat just northeast of the Freeway bridge, Red Rock Canyon - Mojave Desert 762 Comment
  CAS-BOT-BC162962  Eremothera boothii subsp. decorticans Ernest C. Twisselmann 1952-4-19 347 Kern New Well Wash, Antelope Plains, 5 miles southwest of Blackwell's Corner - Temblor Range and the Western San Joaquin Valley 283 Comment
  CAS-BOT-BC163023  Eremothera boothii subsp. decorticans Ernest C. Twisselmann 1969-5-21 15322 Kern Sandy flat just northeast of the Freeway bridge, Red Rock Canyon - Mojave Desert 762 Comment
  CAS-BOT-BC164223  Clarkia cylindrica subsp. clavicarpa Ernest C. Twisselmann 1963-6-27 8550 Kern Basket Pass Road, just west of Cedar Creek 883 Comment
  CAS-BOT-BC164231  Clarkia cylindrica subsp. clavicarpa Ernest C. Twisselmann 1963-6-27 8550 Kern Basket Pass Road, just west of Cedar Creek 883 Comment
  CAS-BOT-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-BC164827  Clarkia rhomboidea Ernest C. Twisselmann 1965-7-6 11123 Kern North slope of Tehachapi Peak 2042 Comment
  CAS-BOT-BC165296  Clarkia speciosa subsp. polyantha Ernest C. Twisselmann 1962-6-21 7379 Kern Tejon Ranch: Winter's Ridge 1219 Comment
  CAS-BOT-BC167315  California macrophylla Ernest C. Twisselmann 1966-4-20 11974 Kern Temblor Summit, 1 mile east of the Mariannas Ranch 1036 Comment
  CAS-BOT-BC167480  Eucnide urens Ernest C. Twisselmann 1958-5-6 4434 Kern Mojave Desert, the Mojave-Randsburg Region. El Paso Mountains: Last Chance Canyon 731 Comment
  CAS-BOT-BC167745  Petalonyx thurberi Ernest C. Twisselmann 1970-9-8 17475 Kern Mojave Desert, the Mojave-Randsburg Region. Bluffs at the north shore of Rosamond Dry Lake 746 Comment
  CAS-BOT-BC168262  Atriplex canescens var. canescens Ernest C. Twisselmann 1966-9-8 12782 Kern Slope on the west side of Cuddy Valley 1630 Comment
  CAS-BOT-BC168547  Atriplex confertifolia Ernest C. Twisselmann 1969-10-16 16298 Kern Bear Mountain Boulevard: 5.2 miles west of Arvin 114 Comment
  CAS-BOT-BC168565  Atriplex cordulata Ernest C. Twisselmann 1968-8-22 14900 Kern Jerry Slough at the Tracy Ranch (UC Public Health study area) 91 Comment
  CAS-BOT-BC168721  Ribes velutinum Ernest C. Twisselmann 1961-6-22 6302 Kern Saddle between Sawmill Mt. & Mt. Pins, Kern and Ventura Counties - San Emigdio Range and the Mt. Pinos Region 2529 Comment
  CAS-BOT-BC169184  Toxicodendron diversilobum Ernest C. Twisselmann 1960-4-2 5935 Kern Kern Canyon: 3.4 miles west of Richbar, Tehachapi-Kernville Region 335 Comment
  CAS-BOT-BC170100  Atriplex lentiformis Ernest C. Twisselmann 1962-11-14 7955 Kern Plains east of Buena Vista Lake - San Joaquin Valley 64 Comment
  CAS-BOT-BC170180  Atriplex canescens subsp. canescens Ernest C. Twisselmann 1966-9-8 12782 Kern Slope on the west side of Cuddy Valley - San Emigdio Range and the Mt. Pinos Region 1630 Comment
  CAS-BOT-BC170802  Mentzelia eremophila Ernest C. Twisselmann 1969-5-21 15396 Kern Steep slope below Sullivan Spring - Red Rock Canyon, Mojave Desert 792 Comment
  CAS-BOT-BC170950  Alnus rhombifolia Ernest C. Twisselmann 1972-9-22 19207 Kern Poso Creek 1 mile W of Glennville. Sierra Nevada 914 Comment
  CAS-BOT-BC171121  Larrea tridentata Ernest C. Twisselmann 1958-5-6 4401 Kern Indian Wells Valley, 1 mile west of Inyokern, Mojave-Randsburg Region 853 Comment
  CAS-BOT-BC171903  Epilobium canum subsp. latifolium Ernest C. Twisselmann 1958-8-19 4708 Kern Summit of Breckenridge Mountain, Tehachapi-Kernville Region. 2299 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-BC171913  Epilobium canum subsp. latifolium Ernest C. Twisselmann 1964-7-24 9838 Kern Pine Flat trail above Little Cannell Meadow, Kern Plateau, Sierra Nevada 2255 Comment
  CAS-BOT-BC172609  Atriplex coronata Ernest C. Twisselmann 1964-9-29 10283 Kern Pond near the Headquarters building. The Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC172690  Atriplex lentiformis Ernest C. Twisselmann 1957-11-7 4125 Kern Bitterwater Canyon, 3.5 miles southwest of Maricopa 434 Comment
  CAS-BOT-BC174378  Eremogone macradenia var. arcuifolia Ernest C. Twisselmann 1962-7-19 7443 Kern Harris Grade, 1.7 mile east of Lander's Meadow, Piute Mountains 1958 Comment
  CAS-BOT-BC174500  Loeflingia squarrosa Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-5-22 14227 Kern Mojave Desert, the Mojave-Randsburg Region. Dunes between the old Pancho Barnes place and Buckhorn Dry Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-BC174508  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-BC174510  Loeflingia squarrosa Ernest C. Twisselmann 1969-5-21 15360 Kern Mojave Desert, Red Rock Canyon. Head of Tarweed Creek 784 Comment
  CAS-BOT-BC17468  Athysanus pusillus Ernest C. Twisselmann 1952-4-22 256 Kern The Temblor Range and the Western San Joaquin Valley. Messa Ridge, 2 miles west of Carneros Rocks. 792 Comment
  CAS-BOT-BC176515  Atriplex polycarpa Ernest C. Twisselmann 1951-1-1 13566 Kern Antelope Plains Comment
  CAS-BOT-BC176517  Atriplex polycarpa Ernest C. Twisselmann 1957-11-7 4124 Kern Salt Creek at the edge of Belridge Plain 243 Comment
  CAS-BOT-BC176640  Atriplex serenana var. serenana Ernest C. Twisselmann 1958-11-1 4903 Kern Greenfield region: Cottonwood Road, 1.3 mile south of Panama Lane 137 Comment
  CAS-BOT-BC176648  Atriplex serenana var. serenana Ernest C. Twisselmann 1969-5-21 15434 Kern Mojave Desert, Red Rock Canyon. Ricardo 792 Comment
  CAS-BOT-BC177289  Astragalus acutirostris Ernest C. Twisselmann 1958-4-17 4303 Kern Mojave-Randsburg Region. U.S. 466, 10.3 miles west of Boron 792 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-BC177923  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1969-4-5 15092 Kern Paine Preserve, 2.1 miles north of Highway 46 on the Corcoran Highway 91 Comment
  CAS-BOT-BC178079  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-BC178117  Astragalus lentiginosus var. nigricalycis Ernest C. Twisselmann 1963-6-3 8320 Kern Valley above Salt Creek Canyon on the road to Neasons Flat - San Emigdio Range and the mt. Pinos Region 1028 Comment
  CAS-BOT-BC178565  Vulpia myuros var. myuros Ernest C. Twisselmann 1965-3-17 10453 Kern Along a canal at the southern end of the Refuge - San Joaquin Valley, Kern National Wildlife Refuge 68 Comment
  CAS-BOT-BC179801  Centrostegia thurberi Ernest C. Twisselmann 1968-6-13 14329 Kern Cholla Canyon on the W slope of Scodie Mountain. Tehachapi-Kernville Region 1280 Comment
  CAS-BOT-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-BC180384  Comandra umbellata subsp. californica Ernest C. Twisselmann 1963-6-27 8502 Kern Cedar Creek just below the mouth of Fulton Creek, Greenhorn Range. Sierra Nevada 990 Comment
  CAS-BOT-BC180539  Astragalus asymmetricus Ernest C. Twisselmann 1963-6-25 8482 Kern Summit of Drake Ridge - Temblor Range and the Western San Joaquin Valley 982 Comment
  CAS-BOT-BC18087  Carex athrostachya Ernest C. Twisselmann 1958-8-19 4692 Kern Tehachapi-Kernville Region. Breckenridge Mountain. Squirrel Meadow. 2072 Comment
  CAS-BOT-BC182700  Astragalus douglasii Ernest C. Twisselmann 1963-6-3 8353 Kern Salt Creek Canyon, San Emigdio Range 807 Comment
  CAS-BOT-BC182704  Astragalus douglasii Ernest C. Twisselmann 1964-6-10 9616 Kern Frazier Park, just below the Medical Center 1615 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-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-BC183123  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1971-4-26 17677 Kern Cyrus Canyon, near its head 1188 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-BC183131  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1963-5-17 8255 Kern High slope about 1 mile east of Poso Creek Narrows 762 Comment
  CAS-BOT-BC183135  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-BC183137  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1964-4-25 9247 Kern The Sheep Camp, ca. 4.5 miles east of Woody 975 Comment
  CAS-BOT-BC183764  Vulpia microstachys var. confusa Ernest C. Twisselmann 1955-4-14 1861 Kern Upper Chico Martinez Canyon, Temblor Mountains 533 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-BC184257  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1963-6-27 8526 Kern Northeast flank of Hatchet Peak 1859 Comment
  CAS-BOT-BC184266  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1965-4-14 10505 Kern Breckenridge Mountain Road on the east side of Cottonwood Creek 205 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-BC184299  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1954-4-9 1031 Kern Devil's Water Canyon, Temblor Mountains 396 Comment
  CAS-BOT-BC184303  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1955-4-14 1847 Kern Chico Martinez Canyon, western Kern County 426 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-BC184743  Vulpia myuros subsp. megalura Ernest C. Twisselmann 1955-4-14 1862 Kern Messa Ridge, Temblor Mountains 883 Comment
  CAS-BOT-BC184751  Vulpia myuros subsp. megalura Ernest C. Twisselmann 1955-4-19 1887 Kern Buena Vista Lake plains, 2 miles east of Buena Vista Lake 118 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-BC184763  Vulpia myuros subsp. megalura Ernest C. Twisselmann 1963-5-17 8257 Kern Record Ranch, Gremaud Gulch 762 Comment
  CAS-BOT-BC184889  Chloris virgata Ernest C. Twisselmann 1959-8-7 5569 Kern Eastern San Joaquin Valley. Delano District. Airport Road, 2.5 miles east of Delano. 121 Comment
  CAS-BOT-BC184945  Cenchrus longispinus Ernest C. Twisselmann 1959-8-7 5570 Kern Eastern San Joaquin Valley. Airport Road 2.5 miles east of Delano. 121 Comment
  CAS-BOT-BC184947  Cenchrus longispinus Ernest C. Twisselmann 1959-7-4 5436 Kern Eastern San Joaquin Valley. Mettler Station District. Adobe Road 3.1 miles south of Highway U.S. 99. 128 Comment
  CAS-BOT-BC185886  Vulpia octoflora var. hirtella Ernest C. Twisselmann 1958-4-12 4250 Kern Eastern San Joaquin Valley. Kimberlina Road, 7 miles southwest of Wasco 106 Comment
  CAS-BOT-BC185959  Vulpia octoflora var. octoflora Ernest C. Twisselmann 1965-5-18 10824 Kern Mojave Desert, the Mojave-Randsburg Region. Dunes at the southwest end of Rogers Lake, Edwards Air Force Base 731 Comment
  CAS-BOT-BC185968  Vulpia octoflora var. octoflora Ernest C. Twisselmann 1964-5-7 9379 Kern Mojave Desert, the Mojave-Randsburg Region. Sand dunes at the south end of Rogers Lake, Edwards Air Force Base 609 Comment
  CAS-BOT-BC186136  Ribes roezlii var. roezlii Ernest C. Twisselmann 1965-4-21 10584 Kern Tejon Canyon 1013 Comment
  CAS-BOT-BC186309  Garrya flavescens Ernest C. Twisselmann 1959-4-16 5047 Kern Piute Mountains: slope just east of Bald Eagle Peak 1981 Comment
  CAS-BOT-BC186336  Garrya flavescens Ernest C. Twisselmann 1963-8-8 8860 Kern Ridge southwest of Cottonwood Creek (Mojave drainage) 1463 Comment
  CAS-BOT-BC186883  Astragalus hornii var. hornii Ernest C. Twisselmann 1955-4-19 1867 Kern Kern River, 6.4 miles north of Buena Vista Lake 99 Comment
  CAS-BOT-BC186886  Astragalus hornii var. hornii Ernest C. Twisselmann 1964-7-17 9709 Kern Panama Road, 1.8 mile west of Buena Vista School 99 Comment
  CAS-BOT-BC186891  Astragalus hornii var. hornii Ernest C. Twisselmann 1962-11-14 7990 Kern Panama Road, 3 miles east of Greenfield 109 Comment
  CAS-BOT-BC187382  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1956-7-17 3091 Kern Kelso Valley 1249 Comment
  CAS-BOT-BC187431  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1957-4-3 3300 Kern Eastern San Joaquin Valley. Kern River flood plain near the Kern County Golf Course 188 Comment
  CAS-BOT-BC187435  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1956-5-17 2822 Kern Piute Mountains: Foot of Harris Grade 1295 Comment
  CAS-BOT-BC187519  Astragalus macrodon Ernest C. Twisselmann 1952-7-12 307 Kern Drake Ridge, 4 miles south of Carneros Rocks 822 Comment
  CAS-BOT-BC187521  Astragalus macrodon Ernest C. Twisselmann 1963-6-4 8378 Kern Ross Ridge 792 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
Read comments
Jan 1 2021
  CAS-BOT-BC189173  Eriodictyon crassifolium var. nigrescens Ernest C. Twisselmann 1964-6-10 9617 Kern Frazier Park, just below the Medical Center 1615 Comment
  CAS-BOT-BC189343  Cryptantha circumscissa Ernest C. Twisselmann 1964-6-21 9654 Kern Tehachapi Mountains. Summit of the E flank of Bear Mountain 1889 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-BC189351  Cryptantha circumscissa Ernest C. Twisselmann 1965-5-5 10690 Kern The Mojave-Randsburg Region. NE end of Buckhorn Lake, Edwards Air Force Base 754 Comment
  CAS-BOT-BC189355  Cryptantha circumscissa Ernest C. Twisselmann 1965-5-18 10831 Kern The Mojave-Randsburg Region. NE end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-BC189357  Cryptantha circumscissa Ernest C. Twisselmann 1965-5-5 10656 Kern The Mojave-Randsburg Region. NW end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-BC189366  Cryptantha circumscissa Ernest C. Twisselmann 1964-5-7 9367 Kern The Mojave-Randsburg Region. SW end of Rogers Lake, Edwards Air Force Base 620 Comment
  CAS-BOT-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-BC190229  Cynodon dactylon Ernest C. Twisselmann 1957-9-1 4039 Kern Temblor Range and the Western San Joaquin Valley. Antelope Ranch, Antelope Valley. 304 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-BC192721  Deschampsia danthonioides Ernest C. Twisselmann 1962-4-11 6924 Kern Mojave Desert, the Mojave-Randsburg Region. Red Rock Canyon, about 0.75 mile below Ricardo 662 Comment
  CAS-BOT-BC192725  Deschampsia danthonioides Ernest C. Twisselmann 1954-3-13 885 Kern Alkali Sink, 9 miles north of Lost Hills 74 Comment
  CAS-BOT-BC192937  Astragalus purshii var. tinctus Ernest C. Twisselmann 1964-6-21 9640 Kern South slope of Bear Mountain 1767 Comment
  CAS-BOT-BC194181  Astragalus pachypus Ernest C. Twisselmann 1957-4-10 3343 Kern El Paso Mountains, Last Chance Canyon, Mojave-Randsburg Region 1066 Comment
  CAS-BOT-BC194187  Astragalus pachypus Ernest C. Twisselmann 1956-5-17 2840 Kern Caliente Canyon, 11.3 miles west of Twin Oaks - Tehachapi-Kernville Region 505 Comment
  CAS-BOT-BC194302  Deschampsia cespitosa subsp. cespitosa Ernest C. Twisselmann 1969-4-5 15076 Kern Paine Preserve, 2.1 miles north of Highway 46 on the Corcoran Highway - Temblor Range and the Western San Joaquin Valley 91 Comment
  CAS-BOT-BC194446  Astragalus oxyphysus Ernest C. Twisselmann 1963-4-12 8048 Kern Summit of White Wolf Grade - Tehachapi Mountains 579 Comment
  CAS-BOT-BC196802  Lupinus breweri var. grandiflorus Ernest C. Twisselmann 1962-6-22 7342 Kern North end of the crest of Piute Mountain 2346 Comment
  CAS-BOT-BC197120  Echinochloa crus-galli Ernest C. Twisselmann 1954-7-20 1457 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Canal: 5 miles southeast of Lost Hills 71 Comment
  CAS-BOT-BC197124  Echinochloa crus-galli Ernest C. Twisselmann 1953-9-7 753 Kern Temblor Range and the Western San Joaquin Valley. Sulfur Spring Creek, Temblor Ranch 579 Comment
  CAS-BOT-BC197128  Echinochloa crus-galli Ernest C. Twisselmann 1964-9-29 10287 Kern San Joaquin Valley, the Kern National Wildlife Refuge. Pond near the Refuge Headquarters 76 Comment
  CAS-BOT-BC197237  Echinochloa muricata Ernest C. Twisselmann 1972-9-22 19213 Kern Poso Creek 1 mile west of Glennville 914 Comment
  CAS-BOT-BC197280  Echinochloa muricata var. microstachya Ernest C. Twisselmann 1953-9-23 781 Kern Temblor Range and the Western San Joaquin Valley. Antelope Valley: Irrigated area 3 miles east of Keck's Corner 274 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-BC198504  Caesalpinia gilliesii Ernest C. Twisselmann 1971-9-22 18514 Kern Mettlers Statoin - San Joaquin Valley 182 Comment
  CAS-BOT-BC198773  Vulpia bromoides Ernest C. Twisselmann 1954-4-17 1089 Kern Temblor Grade, 6 miles west of McKittrick - Temblor Range and the Western San Joaquin Valley 762 Comment
  CAS-BOT-BC200019  Ribes roezlii var. roezlii Ernest C. Twisselmann 1962-6-1 7248 Kern Water Canyon 1584 Comment
  CAS-BOT-BC200021  Ribes roezlii var. roezlii Ernest C. Twisselmann 1959-4-1 4996 Kern Breckenridge Mountain: Lucas Creek 807 Comment
  CAS-BOT-BC200022  Ribes roezlii var. roezlii Ernest C. Twisselmann 1966-5-20 12259 Kern West side of the summit of Tweedy Canyon (mountains east of Keene) 1676 Comment
  CAS-BOT-BC200502  Triticum aestivum Ernest C. Twisselmann 1965-5-18 10856 Kern Marsh along the Lancaster Road ca. 3 miles southeast of Gorman 1097 Comment
  CAS-BOT-BC200816  Astragalus trichopodus var. phoxus Ernest C. Twisselmann 1965-5-18 10861 Kern Lebec: slope just south of the old Lebec Hotel 1097 Comment
  CAS-BOT-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-BC201791  Deschampsia elongata Ernest C. Twisselmann 1965-7-27 11206 Kern Mill Creek at Breckenridge Mountain Road 2072 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-BC202247  Parkinsonia aculeata Ernest C. Twisselmann 1954-6-12 1349 Kern Temblor Range and the Western San Joaquin Valley. Midway Oil Field: 1 mile north of Maricopa 335 Comment
  CAS-BOT-BC202349  Prosopis glandulosa var. torreyana Ernest C. Twisselmann 1962-11-14 7954 Kern San Joaquin Valley, the Kern County East Side. Plains east of Buena Vista Lake 64 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-BC203056  Vitis californica Ernest C. Twisselmann 1959-7-4 5428 Kern Eastern San Joaquin Valley. Kern River: Canal about 0.75 mile south of China Grade Bridge, Bakersfield 129 Comment
  CAS-BOT-BC203061  Vitis californica Ernest C. Twisselmann 1959-7-4 5428 Kern Eastern San Joaquin Valley. Kern River: canal about 0.75 mile south of China Grade Bridge, Bakersfield 129 Comment
  CAS-BOT-BC203258  Eremalche parryi Ernest C. Twisselmann 1955-4-2 1773 Kern Temblor Range and the Western San Joaquin Valley. Alkali sink 10 miles north of Lost Hills 91 Comment
  CAS-BOT-BC203285  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-BC203287  Eremalche parryi Ernest C. Twisselmann 1965-4-26 10624 Kern Sierra Nevada, the Greenhorn Range. The Crater, Adobe Canyon 365 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-BC204007  Malacothamnus fremontii Ernest C. Twisselmann 1955-7-7 2230 Kern Temblor Range and the Western San Joaquin Valley. Ross Ridge, Temblor Mountains 740 Comment
  CAS-BOT-BC204015  Malacothamnus fremontii Ernest C. Twisselmann 1954-7-20 1460 Kern Temblor Range and the Western San Joaquin Valley. Chico Martinez Hills Road: 1 mile west of South Belridge 213 Comment
  CAS-BOT-BC204241  Elymus trachycaulus subsp. trachycaulus Ernest C. Twisselmann 1958-8-8 4613 Kern Tehachapi-Kernville Region. Tejon Ranch: Microwave Station road, just north of the summit 1524 Comment
  CAS-BOT-BC204349  Elymus trachycaulus subsp. trachycaulus Ernest C. Twisselmann 1962-7-19 7486 Kern Tehachapi-Kernville Region. French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC204350  Elymus trachycaulus subsp. trachycaulus Ernest C. Twisselmann 1961-6-22 6296 Kern San Emigdio Range and the Mt. Pinos Region. Cuddy Valley, 2.6 miles west of Cuddy Valley Store 1661 Comment
  CAS-BOT-BC204463  Eragrostis cilianensis Ernest C. Twisselmann 1957-8-13 3966 Kern Mojave-Randsburg Region. Rosamund: Elementary School Grounds 710 Comment
  CAS-BOT-BC204466  Eragrostis cilianensis Ernest C. Twisselmann 1959-8-7 5585 Kern Eastern San Joaquin Valley. McFarland district: Garzoli Road at Hanawalt Avenue 118 Comment
  CAS-BOT-BC204562  Eragrostis mexicana subsp. virescens Ernest C. Twisselmann 1958-11-1 4914 Kern Tehachapi-Kernville Region. Cummings Valley Road, 1 mile west of Tehachapi 1280 Comment
  CAS-BOT-BC204575  Eragrostis mexicana subsp. virescens Ernest C. Twisselmann 1959-8-7 5583 Kern Eastern San Joaquin Valley. Wasco district: Whistler Road 1.5 mile west of Poso Creek 91 Comment
  CAS-BOT-BC204577  Eragrostis mexicana subsp. virescens Ernest C. Twisselmann 1961-10-30 6666 Kern Tehachapi-Kernville Region. Tehachapi Valley: 1 mile west of Monolith 1207 Comment
  CAS-BOT-BC205135  Lupinus elatus Ernest C. Twisselmann 1955-8-10 2325 Kern San Emigdio Range. Summit of Mt. Abel 2499 Comment
  CAS-BOT-BC205137  Lupinus elatus Ernest C. Twisselmann 1956-7-17 3040 Kern Tehachapi-Kernville Region. Piute Peak, near the summit 2545 Comment
  CAS-BOT-BC205858  Fremontodendron californicum Ernest C. Twisselmann 1966-5-20 12289 Kern Tehachapi-Kernville Region. Tollgate Ridge (mountains east of Keene) 1859 Comment
  CAS-BOT-BC205996  Ribes menziesii Ernest C. Twisselmann 1964-5-26 9538 Kern Tehachapi Mountains. Caliente Canyon 701 Comment
  CAS-BOT-BC206337  Malacothamnus fremontii Ernest C. Twisselmann 1966-7-13 12572 Kern County Park Headquarters near Apache Saddle - San Emigdio Range and the Mt. Pinos Region 1920 Comment
  CAS-BOT-BC206343  Malacothamnus fremontii Ernest C. Twisselmann 1962-7-7 7421 Kern Agua Media Canyon - Temblor Range and the Western San Joaquin Valley 563 Comment
  CAS-BOT-BC206346  Malacothamnus fremontii Ernest C. Twisselmann 1963-6-4 8369 Kern Ross Ridge, Temblor Range - Temblor Range and the Western San Joaquin Valley 723 Comment
  CAS-BOT-BC206351  Malacothamnus fremontii Ernest C. Twisselmann 1959-6-18 5356 Kern Piute Mountains, Erskine Canyon, Tehachapi-Kernville Region 967 Comment
  CAS-BOT-BC206703  Elymus glaucus subsp. glaucus Ernest C. Twisselmann 1962-9-20 7889 Kern Cooks (Shirley) Peak - The Greenhorn Range, Sierra Nevada 2130 Comment
  CAS-BOT-BC206706  Elymus glaucus subsp. glaucus Ernest C. Twisselmann 1962-9-20 7878 Kern Wofford Road, ca. 2 miles east of Greenhorn Pass - The Greenhorn Range, Sierra Nevada 1661 Comment
  CAS-BOT-BC208531  Echinochloa oryzoides Ernest C. Twisselmann 1964-9-29 10271 Kern Around marshes, Kern National Wildlife Refuge, San Joaquin Valley 76 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-BC208704  Distichlis spicata Ernest C. Twisselmann 1962-9-20 7877 Kern Isabella alkali flats at Scovern Hot Springs , Tehachapi-Kernville Region 685 Comment
  CAS-BOT-BC208708  Distichlis spicata Ernest C. Twisselmann 1964-7-17 9738 Kern South side of Castaic Lake, Tehachapi Mountains 1051 Comment
  CAS-BOT-BC208710  Distichlis spicata Ernest C. Twisselmann 1962-6-20 7413 Kern Adobe Road 1.3 miles south of Bear Mountain Boulevard, Weedpatch Region - San Joaquin Valley 128 Comment
  CAS-BOT-BC209053  Digitaria sanguinalis Ernest C. Twisselmann 1965-10-1 11638 Kern Lureau Creek, just above Cedar Creek - Greenhorn Range, Sierra Nevada 807 Comment
  CAS-BOT-BC209056  Digitaria sanguinalis Ernest C. Twisselmann 1959-8-7 5574 Kern Airport Road 2.5 miles east of Delano - Eastern San Joaquin Valley 121 Comment
  CAS-BOT-BC210618  Achnatherum lemmonii Ernest C. Twisselmann 1962-6-1 7242 Kern Tehachapi Mountains. Tehachapi Mountain Park 1828 Comment
  CAS-BOT-BC212025  Cornus nuttallii Ernest C. Twisselmann 1957-7-23 3823 Kern Sprout Spring, 0.5 mile west of Greenhorn Pass, Greenhorn Range, Sierra Nevada 1798 Comment
  CAS-BOT-BC212194  Cornus sericea Ernest C. Twisselmann 1961-7-27 6399 Kern Cienega on the east slope of Sunday Peak, Greenhorn Range, Sierra Nevada 2225 Comment
  CAS-BOT-BC212377  Fremontodendron californicum Ernest C. Twisselmann 1963-6-3 8355 Kern Black Bob Canyon, San Emigdio Range, San Emigdio Range and the Mt. Pinos Region 1005 Comment
  CAS-BOT-BC213312  Lathyrus sulphureus Ernest C. Twisselmann 1962-6-22 7360 Kern Northe end of Piute Mountain, Tehachapi-Kernville Region 1981 Comment
  CAS-BOT-BC213452  Acmispon argophyllus var. argophyllus Ernest C. Twisselmann 1962-6-21 7398 Kern TEjon Ranch, summit of the high ridge south of Purdy Canyon, Tehachapi Mountains 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-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-BC214325  Trichostema ovatum Ernest C. Twisselmann 1961-9-14 6567 Kern U.S. 466, 1 mile west of Famosa, Eastern San Joaquin Valley 129 Comment
  CAS-BOT-BC214327  Trichostema ovatum Ernest C. Twisselmann 1963-8-8 8828 Kern Highway U.S. 99, 1.5 mile south of Cawelo, San Joaquin Valley 114 Comment
  CAS-BOT-BC214420  Eremalche parryi subsp. kernensis Ernest C. Twisselmann 1958-4-26 4379 Kern Temblor Range and the Western San Joaquin Valley. Highway 33, about 6 miles north of McKittrick, (Belridge Plain) 243 Comment
  CAS-BOT-BC214424  Eremalche parryi subsp. kernensis Ernest C. Twisselmann 1954-7-1 s.n. Kern Alkali Sink, 10 miles north of Lost Hills. Location B Comment
  CAS-BOT-BC214593  Erigeron philadelphicus Ernest C. Twisselmann 1965-6-4 11000 Kern Sierra Nevada, Greenhorn Range. Cedar Creek at the Stone Corral 853 Comment
  CAS-BOT-BC215324  Lupinus excubitus var. excubitus Ernest C. Twisselmann 1956-4-20 2664 Kern Near the summit, Hoffman Canyon 1097 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-BC215645  Monardella linoides subsp. anemonoides Ernest C. Twisselmann 1959-6-18 5377 Kern Breckenridge Mountain Road, 5.6 miles west of Havilah Road, Tehachapi-Kernville Region 1432 Comment
  CAS-BOT-BC216116  Eriodictyon californicum Ernest C. Twisselmann 1964-5-15 9420 Kern North Flank of Blue Mountain, Gerenhorn Range, Sierra Nevada 1173 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-BC216773  Lupinus excubitus var. excubitus Ernest C. Twisselmann 1965-6-3 10905 Kern Head of Spanish Needle Creek 1417 Comment
  CAS-BOT-BC216842  Achnatherum occidentale Ernest C. Twisselmann 1965-7-27 11221 Kern NW slope of the summit ridge of Breckenridge Mountain 2293 Comment
  CAS-BOT-BC217703  Fraxinus latifolia Ernest C. Twisselmann 1964-5-26 9498 Kern Back Canyon, Tehachapi-Kernville Region 1097 Comment
  CAS-BOT-BC217706  Fraxinus latifolia Ernest C. Twisselmann 1958-5-21 4479 Kern Wagy Flat Road, 7.6 miles east of the summit, Greenhorn Range, Sierra Nevada 1249 Comment
  CAS-BOT-BC218026  Achnatherum latiglume Ernest C. Twisselmann 1959-5-21 5232 Kern SW slope of Sunday Peak 1745 Comment
  CAS-BOT-BC218411  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-BC218412  Perideridia pringlei Ernest C. Twisselmann 1965-6-3 10952 Kern Hill east of Bodfish Gap, northwest end of Piute Mountain, Tehachapi-Kernville Region 1234 Comment
  CAS-BOT-BC219277  Ribes nevadense Ernest C. Twisselmann 1959-5-21 5252 Kern McFarland Creek, W slope of Bohna Peak 1737 Comment
  CAS-BOT-BC220113  Monardella exilis Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-5-22 14224 Kern Mojave Desert, the Mojave-Randsburg Region. Dunes at the southeast end of Buckhorn Dry Lake 746 Comment
  CAS-BOT-BC221017  Trichostema austromontanum subsp. austromontanum Ernest C. Twisselmann 1965-7-27 11264 Kern Tehachapi-Kernville Region. Squirrel Meadow, Breckenridge Mountain 2072 Comment
  CAS-BOT-BC221741  Monardella linoides subsp. oblonga Ernest C. Twisselmann 1962-7-19 7471 Kern Tehachapi-Kernville Region. Lookout Point, Piute Mountains 2526 Comment
  CAS-BOT-BC221742  Monardella linoides subsp. oblonga Ernest C. Twisselmann 1962-7-19 7471 Kern Tehachapi-Kernville Region. Lookout Point, Piute Mountains 2526 Comment
  CAS-BOT-BC222326  Amsinckia douglasiana Ernest C. Twisselmann 1963-4-18 8090 Kern San Emigdio Range and the Mt. Pinos Region. San Emigdio Canyon 624 Comment
  CAS-BOT-BC222331  Amsinckia douglasiana Ernest C. Twisselmann 1962-4-1 6749 Kern Temblor Range and the Western San Joaquin Valley. Summit of Firebreak Grade 830 Comment
  CAS-BOT-BC223070  Galium angustifolium subsp. onycense Ernest C. Twisselmann 1965-6-3 10923 Kern South side of the mouth of Spanish Needle Creek 1196 Comment
  CAS-BOT-BC223641  Calystegia longipes Ernest C. Twisselmann 1959-5-2 5183 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road just east of Parker Spring 685 Comment
  CAS-BOT-BC223653  Calystegia longipes Ernest C. Twisselmann 1963-6-11 8461 Kern Kern Canyon just north of River Kern 883 Comment
  CAS-BOT-BC223726  Frankenia salina Ernest C. Twisselmann 1957-11-7 4127 Kern Temblor Range and the Western San Joaquin Valley. Bitterwater Canyon, 3.5 miles southwest of Maricopa 434 Comment
  CAS-BOT-BC223731  Frankenia salina Ernest C. Twisselmann 1964-9-29 10247 Kern San Joaquin Valley, the Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC223735  Frankenia salina Ernest C. Twisselmann 1961-10-30 6654 Kern Mohave [Mojave]-Randsburg Region. Flats at the southeast end of Koehn Lake 609 Comment
  CAS-BOT-BC223737  Frankenia salina Ernest C. Twisselmann 1958-11-1 4925 Kern Mohave [Mojave]-Randsburg Region. Alkali plain at the south end of Koehn Lake 594 Comment
  CAS-BOT-BC223809  Tamarix ramosissima Ernest C. Twisselmann 1962-11-14 7963 Kern San Joaquin Valley, the Kern County East Side. Buena Vista Plains, ca. 3 miles southwest of the end of Hill Road 60 Comment
  CAS-BOT-BC223921  Tamarix parviflora Ernest C. Twisselmann 1966-5-12 12217 Kern Kern Hot Springs 807 Comment
  CAS-BOT-BC223925  Tamarix parviflora Ernest C. Twisselmann 1969-5-21 15438 Kern Mojave Desert, Red Rock Canyon. Ricardo 792 Comment
  CAS-BOT-BC223927  Tamarix parviflora Ernest C. Twisselmann 1957-4-10 3336 Kern Mohave [Mojave] - Randsburg Region. El Paso Mountains: Last Chance Canyon 868 Comment
  CAS-BOT-BC224270  Eriodictyon californicum Ernest C. Twisselmann 1959-5-2 5166 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road, 5.9 miles west of Munzer Meadow 1249 Comment
  CAS-BOT-BC224759  Calystegia malacophylla subsp. pedicellata Ernest C. Twisselmann 1964-6-10 9563 Kern San Emigdio Range and the Mt. Pinos Range. Tecuya Ridge 1828 Comment
  CAS-BOT-BC224760  Calystegia malacophylla subsp. pedicellata Ernest C. Twisselmann 1964-6-10 9563 Kern San Emigdio Range and the Mt. Pinos Region. Tecuya Ridge 1828 Comment
  CAS-BOT-BC22589  Ambrosia dumosa Ernest C. Twisselmann 1962-5-7 7070 Kern Mohave Desert. Rademacher Hills: summit of highway 395. 967 Comment
  CAS-BOT-BC226387  Gilia latiflora subsp. latiflora 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-BC22699  Clarkia tembloriensis subsp. tembloriensis Ernest C. Twisselmann 1954-5-7 1189 Kern Cedar Canyon: Alec Cook Canyon 571 Comment
  CAS-BOT-BC227398  Elymus elymoides Ernest C. Twisselmann 1970-5-6 16463 Kern Mojave Desert, Red Rock Canyon. Slope above Tarweed Creek 762 Comment
  CAS-BOT-BC227403  Elymus elymoides Ernest C. Twisselmann 1958-4-17 4329 Kern Mojave Desert, the Mojave-Randsburg Region. North slope of Soledad Mountain 990 Comment
  CAS-BOT-BC227416  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-BC22929  Agoseris heterophylla Ernest C. Twisselmann 1959-5-21 5249 Kern West flank of Bohna Peak 1706 Comment
  CAS-BOT-BC230429  Navarretia mitracarpa Ernest C. Twisselmann 1955-7-7 2234 Kern Temblor Range and the Western San Joaquin Valley. Upper Cedar Canyon, western county 762 Comment
  CAS-BOT-BC230430  Navarretia mitracarpa Ernest C. Twisselmann 1955-7-7 2234 Kern Temblor Range and the Western San Joaquin Valley. Upper Cedar Canyon, western county 762 Comment
  CAS-BOT-BC230434  Navarretia mitracarpa Ernest C. Twisselmann 1954-5-7 1208 Kern Temblor Range and the Western San Joaquin Valley. Alec Cook Rocks: Cedar Canyon 701 Comment
  CAS-BOT-BC231554  Nicotiana glauca Ernest C. Twisselmann 1958-11-1 4902 Kern Eastern San Joaquin Valley. Arvin Region: Bear Mountain Boulevard at the foot of White Wolf Grade 213 Comment
  CAS-BOT-BC231579  Lycium cooperi Ernest C. Twisselmann 1962-5-8 7149 Kern Indian Wells Canyon 1554 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-BC232383  Polypogon monspeliensis Ernest C. Twisselmann 1966-4-12 11890 Kern Mojave-Randsburg Region. Mesquite Springs, El Paso Range 685 Comment
  CAS-BOT-BC232391  Polypogon monspeliensis Ernest C. Twisselmann 1953-10-21 807 Kern Temblor Range and the Western San Joaquin Valley. Devil's Water Canyon 365 Comment
  CAS-BOT-BC232609  Polypogon monspeliensis Ernest C. Twisselmann 1964-9-29 10227 Kern The Kern National Wildlife Refuge. Along a canal 76 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-BC233516  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-BC235321  Sorghum halepense Ernest C. Twisselmann 1954-7-20 1458 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Canal: 6 miles northwest of Buttonwillow 76 Comment
  CAS-BOT-BC235325  Sorghum halepense Ernest C. Twisselmann 1962-11-14 7969 Kern Eastern San Joaquin Valley. Panama Road, 2.5 miles west of Old River 120 Comment
  CAS-BOT-BC235327  Sorghum halepense Ernest C. Twisselmann 1962-11-14 7969 Kern San Joaquin Valley, the Kern County East Side. Panama Road, 2.5 miles west of Old River 120 Comment
  CAS-BOT-BC235420  Sporobolus airoides Ernest C. Twisselmann 1969-5-21 15390 Kern Mojave Desert, Red Rock Canyon. East fork of Red Rock Canyon 777 Comment
  CAS-BOT-BC235428  Sporobolus airoides Ernest C. Twisselmann 1959-7-4 5441 Kern Eastern San Joaquin Valley. Greenfield District: Peachtree Road at Cottonwood Road 129 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-BC236071  Poa secunda subsp. secunda Ernest C. Twisselmann 1959-5-2 5171 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road, 4.4 miles W of Munzer Meadow 1592 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-BC236119  Poa secunda subsp. secunda Ernest C. Twisselmann 1962-4-10 6843 Kern The Mojave Desert. The Mojave-Randsburg Region. Rosamund region: Backus Road near Cactus Butte 838 Comment
  CAS-BOT-BC236122  Poa secunda subsp. secunda Ernest C. Twisselmann 1954-4-9 1012 Kern Temblor Range and the Western San Joaquin Valley. Devil's Water Canyon, Temblor Mountains 411 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-BC236161  Poa secunda subsp. secunda Ernest C. Twisselmann 1964-4-25 9235 Kern The Greenhorn Range. The Sheep Camp, ca. 4.5 miles E of Woody 975 Comment
  CAS-BOT-BC237488  Polypogon viridis Ernest C. Twisselmann 1954-11-29 1675 Kern Temblor Range and the Western San Joaquin Valley. Las Yeguas Creek, 2 miles N of Las Yeguas Ranch, Temblor Mountains 822 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-BC238699  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-BC238952  Symphoricarpos rotundifolius Ernest C. Twisselmann 1956-7-17 3048 Kern The Tehachapi-Kernville Region. Piute Peak, just below the summit 2560 Comment
  CAS-BOT-BC239132  Penstemon incertus Ernest C. Twisselmann 1967-9-19 13721 Kern The Tehachapi-Kernville Region. Summit ridge of Scodie (Kiahvah [Kiavah]) Mountain 1950 Comment
  CAS-BOT-BC239885  Schismus arabicus Ernest C. Twisselmann 1969-5-21 15319 Kern Mojave Desert, Red Rock Canyon. Sandy flat northeast of the Freeway bridge 762 Comment
  CAS-BOT-BC239902  Schismus arabicus Ernest C. Twisselmann 1966-4-13 11828 Kern Mojave Desert, the Mojave-Randsburg Region. Plains east of Ridgecrest, along County Line Road 719 Comment
  CAS-BOT-BC239912  Schismus arabicus Ernest C. Twisselmann 1969-4-5 15090 Kern Temblor Range and the Western San Joaquin Valley. Paine Preserve, 2.1 miles north of Highway 46 on the Corcoran Highway 91 Comment
  CAS-BOT-BC240080  Secale cereale Ernest C. Twisselmann 1959-5-21 5258 Kern Sierra Nevada, the Greenhorn Range. Glennville: bridge across Poso Creek 960 Comment
  CAS-BOT-BC240108  Secale cereale Ernest C. Twisselmann 1955-6-23 2202 Kern San Emigdio Range. Mt Abel Road, 5.6 miles south of Grocer Grade Summit 1371 Comment
  CAS-BOT-BC240126  Setaria pumila Ernest C. Twisselmann 1957-9-19 4082 Kern Tehachapi-Kernville Region. Kern Valley: Cottage Grove Cemetery, 1.1 mile east of Onyx 853 Comment
  CAS-BOT-BC240131  Setaria pumila Ernest C. Twisselmann 1959-8-7 5571 Kern Eastern San Joaquin Valley. Airport Road 2.5 miles east of Delano 121 Comment
  CAS-BOT-BC240135  Setaria pumila Ernest C. Twisselmann 1959-8-7 5571 Kern Eastern San Joaquin Valley. Airport Road 2.5 miles east of Delano 121 Comment
  CAS-BOT-BC240137  Setaria pumila Ernest C. Twisselmann 1962-11-14 7967 Kern San Joaquin Valley, the Kern County East Side. Panama Road, ca. 1.5 mile west of Old River 120 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-BC243570  Setaria parviflora Ernest C. Twisselmann 1958-9-3 4770 Kern Kern Lake Ranch Road at Highway U.S. 99, Eastern San Joaquin Valley 121 Comment
  CAS-BOT-BC244419  Poa annua Ernest C. Twisselmann 1965-3-17 10442 Kern San Joaquin Valley. The Kern National Wildlife Refuge. Poso Creek drain at the S end of the Refuge 76 Comment
  CAS-BOT-BC244422  Poa annua Ernest C. Twisselmann 1959-6-18 5402 Kern Tehachapi-Kernville Region. Breckenridge Mountain: Mill Creek at Breckenridge Public Camp 2042 Comment
  CAS-BOT-BC244700  Chorizanthe spinosa Ernest C. Twisselmann 1965-5-18 10841 Kern Dunes at the northeast end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-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-BC246375  Chorizanthe spinosa Ernest C. Twisselmann 1957-5-10 3503 Kern East fork of Red Rock Canyon 701 Comment
  CAS-BOT-BC246389  Eriogonum deflexum var. baratum Ernest C. Twisselmann 1955-9-16 2407 Kern Walker Pass, 1/2 mile west of the summit 1569 Comment
  CAS-BOT-BC247302  Poa pratensis Ernest C. Twisselmann 1959-6-18 5385 Kern Tehachapi-Kernville Region. Breckenridge Mountain: Squirrel Meadow 2072 Comment
  CAS-BOT-BC247312  Poa pratensis Ernest C. Twisselmann 1963-7-9 8621 Kern Sierra Nevada, the Greenhorn Range. Ski run at Shirley Meadows 2072 Comment
  CAS-BOT-BC248134  Eriogonum angulosum Ernest C. Twisselmann 1954-8-22 1527 Kern Temblor Range and the Western San Joaquin Valley. Lavrock Hills, 1 mile south of Annette. (Ernest Still Ranch) 579 Comment
  CAS-BOT-BC248138  Eriogonum angulosum Ernest C. Twisselmann 1957-7-23 3818 Kern Eastern San Joaquin Valley. Poso Hills: Little Creek 335 Comment
  CAS-BOT-BC248169  Eriogonum angulosum Ernest C. Twisselmann 1971-7-5 17813 Kern Temblor Range and the Western San Joaquin Valley. Hill west of Antelope Spring 868 Comment
  CAS-BOT-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-BC249357  Castilleja applegatei Ernest C. Twisselmann 1966-5-11 12186 Kern Sierra Nevada, the Kern Plateau. Bartolas Country: rim of the Kern Plateau west of South Fork Canyon 2164 Comment
  CAS-BOT-BC249366  Castilleja applegatei Ernest C. Twisselmann 1962-6-22 7292 Kern Tehachapi-Kernville Region. West slope of Piute Mountain on the Walker Basin Road 1805 Comment
  CAS-BOT-BC249407  Castilleja applegatei subsp. pallida Ernest C. Twisselmann 1963-8-30 8914 Kern Tehachapi-Kernville Region. Crest of Piute Mountain, 4.9 miles south of Saddle Springs 2468 Comment
  CAS-BOT-BC250059  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1971-6-20 17771 Kern KR3 Power House, just above Kernville, Kern Canyon 1143 Comment
  CAS-BOT-BC250060  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1971-6-20 17771 Kern KR3 Power House, just above Kernville, Kern Canyon 838 Comment
  CAS-BOT-BC250359  Eriogonum gossypinum Ernest C. Twisselmann 1954-9-26 1600 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Hills, 7.5 miles east of Taft (1 mile north of Richfield Lake Station) 152 Comment
  CAS-BOT-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-BC250890  Phleum pratense Ernest C. Twisselmann 1964-7-25 9941 Kern Sierra Nevada, the Greenhorn Range. Lynns Valley at the Henry Bowen Ranch 975 Comment
  CAS-BOT-BC250894  Phleum pratense Ernest C. Twisselmann 1964-6-21 9681 Kern Tehachapi Mountains. Bear Valley 1280 Comment
  CAS-BOT-BC25282  Boechera repanda Ernest C. Twisselmann 1964-7-24 9836 Kern Sierra Nevada. Kern Plateau. Pine Flat trail above Little Cannell Meadow. 2255 Comment
  CAS-BOT-BC253006  Eriogonum reniforme Ernest C. Twisselmann 1959-4-30 5136 Kern Red Rock Canyon, Mojave-Randsburg Region 701 Comment
  CAS-BOT-BC253251  Eriogonum fasciculatum var. foliolosum Ernest C. Twisselmann 1958-7-14 4547 Kern Bitterwater Road, 0.25 mile south of Carter's Corner, Temblor Range and the western San Joaquin Valley 594 Comment
  CAS-BOT-BC253359  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-BC253360  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1965-6-18 11018 Kern Pleito Ridge, San Emigdio Ranch, San Emigdio Range adn teh Mt. Pinos Region 1127 Comment
  CAS-BOT-BC253364  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-BC253368  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1957-8-13 3963 Kern Summit of Cottonwood Canyon, Tehachapi Mountains, Tehachapi-Kernville Region 1554 Comment
  CAS-BOT-BC253714  Panicum capillare Ernest C. Twisselmann 1961-8-21 6504 Kern Kern Canyon: 3.5 miles W of Richbar 373 Comment
  CAS-BOT-BC253819  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-BC253865  Panicum miliaceum Ernest C. Twisselmann 1957-9-1 4038 Kern Temblor Range and the Western San Joaquin Valley 304 Comment
  CAS-BOT-BC254199  Eriogonum baileyi var. baileyi Ernest C. Twisselmann 1955-10-21 2485 Kern Havilah Canyon, 1 mile south of Havilah, Tehachapi-Kernville Region 1045 Comment
  CAS-BOT-BC254203  Eriogonum baileyi var. baileyi Ernest C. Twisselmann 1968-6-13 14327 Kern Cholla Canyon on the west slope of Scodie Mountain, Tehachapi-Kernville Region 1280 Comment
  CAS-BOT-BC254376  Oryza sativa Ernest C. Twisselmann 1964-9-29 10282 Kern San Joaquin Valley. The Kern National Wildlife Refuge. 76 Comment
  CAS-BOT-BC254602  Poa X limosa Ernest C. Twisselmann 1966-5-12 12214 Kern Kern Hot Springs 807 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-BC254929  Poa bulbosa Ernest C. Twisselmann 1962-4-18 6967 Kern Tehachapi Mountains. Tejon Ranch: Dry Field corrals 1310 Comment
  CAS-BOT-BC255349  Chorizanthe xanti var. xanti Ernest C. Twisselmann 1963-6-4 8371 Kern Ross Ridge, Temblor Range and the Western San Joaquin Valley 762 Comment
  CAS-BOT-BC255350  Chorizanthe xanti var. xanti Ernest C. Twisselmann 1952-6-1 143 Kern Alec Cook Rocks, Cedar Canyon, Temblor Range and the Western San Joaquin Valley 609 Comment
  CAS-BOT-BC256085  Eriogonum deflexum var. baratum Ernest C. Twisselmann 1967-9-19 13727 Kern Horse Canyon, Scodie Mountain, Tehachapi-Kernville Region 1813 Comment
  CAS-BOT-BC256102  Eriogonum deflexum var. baratum Ernest C. Twisselmann 1955-9-16 2407 Kern Walker Pass, 1/2 mile west of the summit, Tehachapi-Kernville Region 1569 Comment
  CAS-BOT-BC256209  Eriogonum covilleanum Ernest C. Twisselmann 1967-5-11 13020 Kern Cedar Canyon, 6 miles south of the Bitterwater Road, Temblor Range and the Wetern San Joaquin Valley 640 Comment
  CAS-BOT-BC256980  Chorizanthe membranacea Ernest C. Twisselmann 1964-5-15 9494 Kern Sierra Nevada, the Greenhorn Range. Grizzly Gulch at the White River-Rag Gulch road 487 Comment
  CAS-BOT-BC256988  Chorizanthe membranacea Ernest C. Twisselmann 1963-5-17 8280 Kern Sierra Nevada, the Greenhorn Range. Poso Creek Canyon, ca. 1 mile above Poso Mine 640 Comment
  CAS-BOT-BC257439  Eriogonum inerme var. hispidulum Ernest C. Twisselmann 1957-8-13 3985 Kern Tehachapi-Kernville Region. Tehachapi Mountains: Trail to Double Mountain 2072 Comment
  CAS-BOT-BC257459  Eriogonum inerme var. hispidulum Ernest C. Twisselmann 1963-7-9 8604 Kern The Sierra Nevada, the Greenhorn Range. Slope on the southwest side of Black Mountain Saddle 1889 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-BC257505  Eriogonum inerme var. inerme Ernest C. Twisselmann 1958-8-19 4716 Kern Tehachapi-Kernville Region. Breckenridge Mountain: Barrel Spring 1981 Comment
  CAS-BOT-BC257549  Eriogonum inflatum Ernest C. Twisselmann 1969-10-16 16315 Kern The Mojave Desert, Red Rock Canyon. Canyon below Sullivan Spring 838 Comment
  CAS-BOT-BC257550  Eriogonum inflatum Ernest C. Twisselmann 1969-5-21 15363 Kern The Mojave Desert, Red Rock Canyon. Slope at the head of Tarweed Creek 784 Comment
  CAS-BOT-BC258053  Eriogonum plumatella Ernest C. Twisselmann 1958-10-1 4824 Kern Tehachapi-Kernville Region. Summit of Walker Pass 1600 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-BC258062  Eriogonum plumatella Ernest C. Twisselmann 1969-10-16 16300 Kern The Mojave Desert, Red Rock Canyon. Flat east of the Freeway 762 Comment
  CAS-BOT-BC258065  Eriogonum plumatella Ernest C. Twisselmann 1969-10-16 16300 Kern The Mojave Desert, Red Rock Canyon. Flat east of the Freeway 701 Comment
  CAS-BOT-BC258067  Eriogonum plumatella Ernest C. Twisselmann 1958-10-1 4824 Kern The Tehachapi-Kernville Region. Summit of Walker Pass 1600 Comment
  CAS-BOT-BC258212  Eriogonum pusillum Ernest C. Twisselmann 1956-4-20 2703 Kern Tehachapi-Kernville Region. Jawbone Canyon 707 Comment
  CAS-BOT-BC258486  Eriogonum roseum Ernest C. Twisselmann 1971-6-20 17769 Kern KR3 Power House, just above Kernville, Kern Canyon 1143 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-BC258530  Eriogonum nudum var. westonii Ernest C. Twisselmann 1958-5-27 4533 Kern East slope of Morris Peak 1798 Comment
  CAS-BOT-BC258538  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-BC258868  Phalaris aquatica Ernest C. Twisselmann 1963-6-11 8467 Kern Sierra Nevada, the Greenhorn Range. Greenhorn Pass Road 2.9 miles west of Wofford 1089 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-BC260375  Achnatherum hymenoides Ernest C. Twisselmann 1962-6-22 7337 Kern Tehachapi-Kernville Region. Crest of Piute Mountain, 0.6 mile N of Bodfish-Walker Basin road junction 2491 Comment
  CAS-BOT-BC260585  Muhlenbergia filiformis Ernest C. Twisselmann 1959-6-18 5404 Kern Tehachapi - Kernville Region. Breckenridge Mountain: Mill Creek at Breckenridge Public Camp 2042 Comment
  CAS-BOT-BC260587  Muhlenbergia filiformis Ernest C. Twisselmann 1955-10-21 2493 Kern Tehachapi - Kernville Region. Piute Peak Road, 1 mile W of French Meadow Ranger Station 2191 Comment
  CAS-BOT-BC260779  Chenopodium rubrum var. humile Ernest C. Twisselmann 1964-7-17 9744 Kern Tehachapi Mountains. Southeast end of Castaic Lake 1051 Comment
  CAS-BOT-BC261080  Eriogonum gracillimum Ernest C. Twisselmann 1954-7-20 1470 Kern Lokern Sink, 5 miles northwest of Buttonwillow, Temblor Range and the Western San Joaquin Valley 79 Comment
  CAS-BOT-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-BC261088  Eriogonum gracillimum Ernest C. Twisselmann 1966-4-27 12039 Kern Plain between Desert and Castle Buttes, Mojave-Randdsburg Region, Mojave Desert 762 Comment
  CAS-BOT-BC261415  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-BC261885  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1967-9-19 13720 Kern Tehachapi-Kernville Region. Summit ridge of Scodie (Kiahvah [Kiavah]) Mountain 1950 Comment
  CAS-BOT-BC261887  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1962-9-20 7883 Kern Sierra Nevada, the Greenhorn Range. Ridge just northeast of French Gulch, Lake Isabella 731 Comment
  CAS-BOT-BC261893  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1956-7-17 3087 Kern Tehachapi-Kernville Region. Kelso Valley-Butterbread Spring road, 0.25 mile east of Kelso Valley Summit 1463 Comment
  CAS-BOT-BC262437  Eriogonum viridescens Ernest C. Twisselmann 1954-6-27 1411 Kern Temblor Range and the Western San Joaquin Valley. Cedar Canyon: 1 mile south of Bitterwater Road 426 Comment
  CAS-BOT-BC263420  Eriogonum temblorense Ernest C. Twisselmann 1955-4-14 1848 Kern Chico Martinez Canyon, Temblor Mountains, Temblor Range and the Western San Joaquin Valley 426 Comment
  CAS-BOT-BC263424  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-BC264973  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1966-9-8 12770 Kern Canyon southwest of teh Y Camp in upper San Emigio Canyon, San Emigdio Range and the Mt. Pinos Region 1767 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-BC264988  Eriogonum wrightii var. subscaposum Ernest C. Twisselmann 1964-9-16 10184 Kern Lookout Point, Piute Mountains, Tehachapi-Kernville Region 2522 Comment
  CAS-BOT-BC265607  Paspalum distichum Ernest C. Twisselmann 1958-11-1 4924 Kern Cantil Region, drainage ditch near the Rudnick-Mendiburu feed mill, Mohave-Randsburg Region 609 Comment
  CAS-BOT-BC265611  Paspalum distichum Ernest C. Twisselmann 1959-7-4 5417 Kern Stine Canal, 0.75 mile west of Oak Street, Bakersfield, eastern San Joaquin Valley 121 Comment
  CAS-BOT-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-BC265617  Paspalum distichum Ernest C. Twisselmann 1963-9-6 8951 Kern Poso Creek near Famosa, San Joaquin Valley 114 Comment
  CAS-BOT-BC268284  Eriogonum umbellatum var. nevadense Ernest C. Twisselmann 1956-7-17 3062 Kern Tehachapi-Kernville Region. Piute Mountains: Geringer Grade near the summit 2072 Comment
  CAS-BOT-BC268462  Eriogonum saxatile Ernest C. Twisselmann 1958-5-27 4521 Kern East slope of Morris Peak 1828 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-BC268672  Eriogonum microthecum var. corymbosoides Ernest C. Twisselmann 1966-10-13 12893 Kern Tehachapi-Kernville Region. Divide between Kelso Valley and Jawbone Canyon 1463 Comment
  CAS-BOT-BC268752  Eriogonum mohavense Ernest C. Twisselmann 1965-5-5 10691 Kern Mojave Desert, Mojave-Randsburg Region. Northeast end of Buckhorn Lake, Edwards Air Force Base 754 Comment
  CAS-BOT-BC270075  Calycadenia multiglandulosa Ernest C. Twisselmann 1957-8-13 3994 Kern Tehachapi-Kernville Region. Brite Valley, along the Cummings Valley Road 1280 Comment
  CAS-BOT-BC272604  Eriogonum spergulinum var. reddingianum Ernest C. Twisselmann 1959-6-18 5408 Kern Tehachapi-Kernville Region. Breckenridge Mountain: Mill Creek at Breckenridge Public Camp 2042 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-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-BC272935  Ambrosia salsola Ernest C. Twisselmann 1965-6-3 10922 Kern Mouth of Spanish Needle Creek Canyon 1188 Comment
  CAS-BOT-BC272973  Ambrosia salsola Ernest C. Twisselmann 1958-5-6 4400 Kern Mohave-Randsburg Region. Indian Wells Valley: 1 mile west of Inyokern 853 Comment
  CAS-BOT-BC272976  Ambrosia salsola Ernest C. Twisselmann 1956-4-20 2657 Kern Tehachapi-Kernville Region. Jawbone Canyon 868 Comment
  CAS-BOT-BC273505  Hordeum vulgare Ernest C. Twisselmann 1954-4-6 997 Kern Temblor Range and the Western San Joaquin Valley. Point of Rocks: open plain 1 mile northeast 304 Comment
  CAS-BOT-BC273507  Hordeum vulgare Ernest C. Twisselmann 1969-4-5 15079 Kern Temblor Range and the Western San Joaquin Valley. Paine Preserve, 2.1 miles north of Highway 46 on the Corcoran Highway 91 Comment
  CAS-BOT-BC273511  Hordeum vulgare Ernest C. Twisselmann 1961-10-30 6646 Kern Mohave-Randsburg Region. Fremont Valley: dry wash in the farmlands 2.5 miles south of Cantil 594 Comment
  CAS-BOT-BC273515  Hordeum vulgare Ernest C. Twisselmann 1960-4-2 5941 Kern Tehachapi-Kernville Region. Kern Canyon: 1 mile west of Richbar 411 Comment
  CAS-BOT-BC273664  Koeleria pyramidata Ernest C. Twisselmann 1961-6-22 6277 Kern San Emigdio Range and the Mt. Pinos Region. Head of Cuddy Valley 1920 Comment
  CAS-BOT-BC273820  Lamarckia aurea Ernest C. Twisselmann 1964-5-15 9485 Kern Sierra Nevada, Greenhorn Range. Grizzly Gulch, at the White River-Rag Gulch road 480 Comment
  CAS-BOT-BC273970  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-BC273974  Leptochloa fusca subsp. fascicularis Ernest C. Twisselmann 1954-9-1 1564 Kern Temblor Range and the Western San Joaquin Valley. Antelope Valley: 1/2 mile east of Iver Hansen Ranch Headquarters, western Kern County 274 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-BC274149  Pappostipa speciosa Ernest C. Twisselmann 1968-6-13 14323 Kern Tehachapi-Kernville Region. Cholla Canyon on the west slope of Scodie Mountain 1280 Comment
  CAS-BOT-BC274236  Rostraria cristata Ernest C. Twisselmann 1965-7-4 11113 Kern Temblor Range and the Western San Joaquin Valley. Plains 0.5 mile north of Carneros Creek 365 Comment
  CAS-BOT-BC274242  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 335 Comment
  CAS-BOT-BC274379  Leptochloa viscida Ernest C. Twisselmann 1958-9-3 4765 Kern Eastern San Joaquin Valley. Kern Lake Ranch Road, 4.6 miles west of U.S. 99 114 Comment
  CAS-BOT-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-BC274455  Leymus triticoides Ernest C. Twisselmann 1954-5-25 1294 Kern Temblor Range and the Western San Joaquin Valley. McGovern Grade: 1 1/2 miles east of Annette 548 Comment
  CAS-BOT-BC275076  Muhlenbergia richardsonis Ernest C. Twisselmann 1961-6-22 6298 Kern San Emigdio Range and the Mount Pinos Region. Cuddy Valley, 2.6 miles W of Cuddy Valley Store 1658 Comment
  CAS-BOT-BC275080  Muhlenbergia richardsonis Ernest C. Twisselmann; Jack Zaninovich 1969-8-29 15962 Kern The Kern Plateau. Fork of Cannell Creek on Pine Flat 2164 Comment
  CAS-BOT-BC275430  Calycadenia spicata Ernest C. Twisselmann 1962-8-27 7715 Kern The Greenhorn Range. High hill above the head of Lumreau Creek 1402 Comment
  CAS-BOT-BC276607  Chaenactis douglasii var. douglasii Ernest C. Twisselmann 1962-7-19 7467 Kern Tehachapi - Kernville Region. Lookout Point, Piute Mountains 2514 Comment
  CAS-BOT-BC277280  Chaenactis glabriuscula var. glabriuscula Ernest C. Twisselmann 1966-5-10 12115 Kern Tehachapi-Kernville Region. Piute Mountains: west end of King Solomon's Ridge 1524 Comment
  CAS-BOT-BC277284  Chaenactis glabriuscula var. glabriuscula Ernest C. Twisselmann 1964-6-10 9583 Kern San Emigdio Range and the Mt. Pinos Region. Tecuya Ridge 2026 Comment
  CAS-BOT-BC277288  Chaenactis glabriuscula var. glabriuscula Ernest C. Twisselmann 1958-3-22 4184 Kern Eastern San Joaquin Valley. Ridge on the north side of the mouth of Caliente Canyon 289 Comment
  CAS-BOT-BC277514  Chaenactis glabriuscula var. lanosa Ernest C. Twisselmann 1961-4-6 6035 Kern Temblor Range and the Western San Joaquin Valley. Choice Valley Hills, 0.5 mile north of Choice Valley School 594 Comment
  CAS-BOT-BC277809  Chaenactis santolinoides Ernest C. Twisselmann; Jack Zaninovich 1971-7-13 17982 Kern Sierra Nevada, Kern Plateau. Rim of the Kern Plateau southwest of Pine Flat 2240 Comment
  CAS-BOT-BC278231  Schedonorus arundinaceus Ernest C. Twisselmann 1963-6-11 8428 Kern Tehachapi-Kernville Region. Erskine Canyon, Piute Mountains 1188 Comment
  CAS-BOT-BC278232  Schedonorus arundinaceus Ernest C. Twisselmann 1963-6-11 8428 Kern Tehachapi-Kernville Region. Erskine Canyon, Piute Mountains 1188 Comment
  CAS-BOT-BC278235  Schedonorus arundinaceus Ernest C. Twisselmann 1966-6-23 12408 Kern Sierra Nevada, Greenhorn Range. Ridge ca. 1 mile northwest of Rhymes Toolbox 1950 Comment
  CAS-BOT-BC278237  Schedonorus arundinaceus Ernest C. Twisselmann 1955-4-19 1870 Kern Temblor Range and the Western San Joaquin Valley. Jerry Slough plain, 11 miles west of Shafter 83 Comment
  CAS-BOT-BC278975  Festuca rubra Ernest C. Twisselmann 1956-4-22 2726 Kern Temblor Range and the Western San Joaquin Valley. Temblor Ranch, western Kern County 579 Comment
  CAS-BOT-BC278977  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-BC281088  Melica stricta Ernest C. Twisselmann 1966-5-20 12262 Kern Tehachapi -Kernville Region. High ridge about 4 miles N of Tehachapi 1737 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-BC283356  Calycoseris parryi Ernest C. Twisselmann 1958-5-6 4433 Kern Mojave Desert. The Mojave-Randsburg Region. El Paso Mountains: Last Chance Canyon 723 Comment
  CAS-BOT-BC283413  Lolium multiflorum Ernest C. Twisselmann 1958-5-27 4474 Kern Eastern San Joaquin Valley. Poso Hills: 8.9 miles E of Famosa on the Woody Rd 236 Comment
  CAS-BOT-BC283416  Lolium multiflorum Ernest C. Twisselmann 1964-7-25 9943 Kern The Greenhorn Range. Lynns Valley at the Henry Bowen Ranch 975 Comment
  CAS-BOT-BC284102  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1963-9-6 8959 Kern Lake Woollomes, near Delano, San Joaquin Valley 114 Comment
  CAS-BOT-BC284253  Chaenactis glabriuscula var. megacephala Ernest C. Twisselmann 1958-3-26 4200 Kern Poso Creek Road, 2.1 mile seast of Mon Bluff, San Joaquin Valley 243 Comment
  CAS-BOT-BC284256  Chaenactis glabriuscula var. megacephala Ernest C. Twisselmann 1962-4-19 7011 Kern Poso Hills, ridge on the west side of the mouth of Adobe Canyon, Eastern San Joaquin Valley 251 Comment
  CAS-BOT-BC284709  Hordeum jubatum Ernest C. Twisselmann 1958-5-27 4493 Kern Tehachapi-Kernville Region. Settlement of Weldon 808 Comment
  CAS-BOT-BC284798  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1962-4-10 6864 Kern Mojave Desert, Mojave-Randsburg Region. Plain northeast of Soledad Mountain 762 Comment
  CAS-BOT-BC284800  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1962-6-1 7255 Kern Tehachapi Mountains. Highline Road at the southwest end of Tehachapi Valley 1295 Comment
  CAS-BOT-BC284804  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1957-5-22 3548 Kern Temblor Range and the Western San Joaquin Valley. Temblor Summit, 1 mile south of McKittrick Highway 1021 Comment
  CAS-BOT-BC284808  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1964-5-7 9345 Kern Mojave Desert, Mojave-Randsburg Region. Rosamond Lake, Edwards Air Force Base 601 Comment
  CAS-BOT-BC284810  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1957-4-24 3406 Kern Temblor Range and the Western San Joaquin Valley. Hills at the summit of Packwood Canyon 609 Comment
  CAS-BOT-BC284814  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1965-3-17 10434 Kern San Joaquin Valley, Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC284818  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1954-3-13 891 Kern Temblor Range and the Western San Joaquin Valley. Open plain, 10 miles northwest of Lost Hills 121 Comment
  CAS-BOT-BC284980  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1964-5-15 9463 Kern Sierra Nevada, Greenhorn Range. West side of Lynns Valley 975 Comment
  CAS-BOT-BC284984  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1969-4-5 15087 Kern Temblor Range and the Western San Joaquin Valley. Paine Preserve, 2.1 miles north of Highway 46, on the Corcoran Highway 91 Comment
  CAS-BOT-BC285032  Hordeum depressum Ernest C. Twisselmann 1969-4-5 15087 Kern Temblor Range and the Western San Joaquin Valley. Paine Preserve, 2.1 miles north of Highway 46, on the Corcoran Highway 91 Comment
  CAS-BOT-BC285384  Cirsium occidentale var. californicum Ernest C. Twisselmann 1962-6-22 7291 Kern Tehachapi-Kernville Region. West slope of Piute Mountain on the Walker Basin Road 1805 Comment
  CAS-BOT-BC285786  Cirsium vulgare Ernest C. Twisselmann 1957-8-13 4007 Kern Tehachapi-Kernville Region. Tehachapi Mountains: west end of Cummings Valley 1097 Comment
  CAS-BOT-BC285949  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-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-BC286099  Conyza canadensis Ernest C. Twisselmann 1963-9-17 9002 Kern Sierra Nevada, Greenhorn Range. Slope south of Cow Creek 1889 Comment
  CAS-BOT-BC28619  Achillea millefolium Ernest C. Twisselmann 1965-7-27 11249 Kern Meadow at Breckenridge Public Camp. 2065 Comment
  CAS-BOT-BC286297  Cirsium scariosum var. citrinum Ernest C. Twisselmann 1963-8-8 8833 Kern Tehachapi Mountains. Cienegas near the head of Tejon Creek 1615 Comment
  CAS-BOT-BC286300  Cirsium scariosum Ernest C. Twisselmann 1966-7-13 12575 Kern San Emigdio Range and the Mt. Pinos Region. Mil Potreros 1577 Comment
  CAS-BOT-BC286748  Ericameria cuneata var. cuneata 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-BC286791  Ericameria cuneata var. spathulata Ernest C. Twisselmann 1955-10-21 2482 Kern Tehachapi-Kernville Region. Summit of Kelso Valley on the Jawbone Canyon Road 1524 Comment
  CAS-BOT-BC287555  Ericameria linearifolia Ernest C. Twisselmann 1951-1-1 530 Kern Temblor Range and the Western San Joaquin Valley. Upper Temblor Canyon 640 Comment
  CAS-BOT-BC287557  Ericameria linearifolia Ernest C. Twisselmann 1966-5-20 12299 Kern Tehachapi - Kernville Region. W slope of Kain Peak 1737 Comment
  CAS-BOT-BC287689  Coreopsis bigelovii Ernest C. Twisselmann 1966-5-20 12285 Kern Tehachapi - Kernville Region. Tollgate Ridge, mountains E of Keene 1783 Comment
  CAS-BOT-BC287690  Coreopsis bigelovii Ernest C. Twisselmann 1957-6-5 3652 Kern Tehachapi - Kernville Region. Piute Mountain - Walker Basin Rd, 0.8 mile W of the National Forest Boundary 1813 Comment
  CAS-BOT-BC287694  Coreopsis bigelovii Ernest C. Twisselmann 1957-6-5 3652 Kern Tehachapi - Kernville Region. Piute Mountain - Walker Basin Rd, 0.8 mile W of the National Forest boundary 1813 Comment
  CAS-BOT-BC287714  Coreopsis bigelovii Ernest C. Twisselmann 1965-6-4 10967 Kern The Greenhorn Range. Fire Rd near Woodard Spring 1584 Comment
  CAS-BOT-BC289569  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-BC290802  Crepis occidentalis subsp. pumila Ernest C. Twisselmann 1962-6-22 7298 Kern Tehachapi-Kernville Region. Piute Mountains: Woolstaff Meadow 2270 Comment
  CAS-BOT-BC291065  Eastwoodia elegans Ernest C. Twisselmann 1968-5-8 14110 Kern Temblor Range and the Western San Joaquin Valley. Joe Messa Ridge, 1 mile west of Carneros Rocks 487 Comment
  CAS-BOT-BC291067  Eastwoodia elegans Ernest C. Twisselmann 1963-6-3 8352 Kern San Emigdio Range and the Mt. Pinos Region. Salt Creek Canyon, San Emigdio Range 777 Comment
  CAS-BOT-BC291992  Hemizonia pallida Ernest C. Twisselmann 1954-5-1 1153 Kern Temblor Range and the Western San Joaquin Valley. Bill Little Canyon: 1 mile west of Carneros Rocks 548 Comment
  CAS-BOT-BC293331  Ericameria teretifolia Ernest C. Twisselmann 1955-10-21 2483 Kern Tehachapi-Kernville Region. Kelso Valley Road, 1.8 miles west of Butterbread Spring 1463 Comment
  CAS-BOT-BC294164  Ericameria nauseosa var. speciosa Ernest C. Twisselmann 1958-8-19 4707 Kern Tehachapi-Kernville Region. Summit of Breckenridge Mountain 2299 Comment
  CAS-BOT-BC294168  Ericameria nauseosa var. speciosa Ernest C. Twisselmann 1957-8-13 3982 Kern Tehachapi-Kernville Region. Tehachapi Mountains: Trail to Double Mountain 2011 Comment
  CAS-BOT-BC294374  Ericameria paniculata Ernest C. Twisselmann 1964-10-20 10297 Kern Mojave Desert, Mojave-Randsburg Region. Plain north of Koehn Lake 579 Comment
  CAS-BOT-BC294672  Erigeron breweri var. breweri Ernest C. Twisselmann 1962-9-20 7891 Kern Sierra Nevada, Greenhorn Range. Cooks (Shirley) Peak 2133 Comment
  CAS-BOT-BC295596  Agnorhiza invenusta Ernest C. Twisselmann 1957-6-21 3765 Kern Sierra Nevada, Greenhorn Range. Old Kernville Road, 6.4 miles east of Greenhorn Pass 1584 Comment
  CAS-BOT-BC295639  Agnorhiza ovata Ernest C. Twisselmann 1962-7-19 7446 Kern Tehachapi-Kernville Region. Piute Mountains: Lander's Meadow 1973 Comment
  CAS-BOT-BC296153  Erigeron foliosus var. foliosus Ernest C. Twisselmann 1958-8-7 4563 Kern Tejon Ranch, Catskin Basin (Mojave drainage), Tehachapi-Kernville Region 1767 Comment
  CAS-BOT-BC29631  Agoseris grandiflora var. grandiflora Ernest C. Twisselmann 1964-6-21 9682 Kern Tehachapi Mountains: Bear Valley 1280 Comment
  CAS-BOT-BC297855  Eriophyllum confertiflorum Ernest C. Twisselmann 1958-5-27 4519 Kern E slope of Morris Peak 1981 Comment
  CAS-BOT-BC297857  Eriophyllum confertiflorum Ernest C. Twisselmann 1962-5-8 7133 Kern Box Canyon at the head of Short Canyon 1036 Comment
  CAS-BOT-BC297880  Eriophyllum confertiflorum Ernest C. Twisselmann 1962-6-22 7371 Kern Tehachapi - Kernville Region. NW end of Piute Mt 1402 Comment
  CAS-BOT-BC297884  Eriophyllum confertiflorum Ernest C. Twisselmann 1963-6-4 8374 Kern Temblor Range and the Western San Joaquin Valley. Ross Ridge 762 Comment
  CAS-BOT-BC297899  Eriophyllum confertiflorum Ernest C. Twisselmann 1962-6-22 7371 Kern Tehachapi - Kernville Region. NW end of Piute Mt 1402 Comment
  CAS-BOT-BC298154  Ericameria nauseosa var. oreophila Ernest C. Twisselmann 1970-9-8 17471 Kern Mojave Desert. Mojave-Randsburg Region. N end of Rosamond Dry Lake 731 Comment
  CAS-BOT-BC298158  Ericameria nauseosa var. oreophila Ernest C. Twisselmann 1961-10-30 6652 Kern Mojave - Randsburg Region. Flats at the SE end of Koehn Lake 609 Comment
  CAS-BOT-BC298379  Eriophyllum ambiguum var. ambiguum Ernest C. Twisselmann 1965-4-14 10516 Kern Tehachapi - Kernville Region. W slope of Breckenridge Mt 777 Comment
  CAS-BOT-BC298382  Eriophyllum ambiguum var. ambiguum Ernest C. Twisselmann 1966-5-20 12266 Kern Tehachapi - Kernville Region. W end of Tollgate Ridge (mts E of Keene) 1722 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-BC299132  Ericameria nauseosa var. mohavensis Ernest C. Twisselmann 1962-11-14 8003 Kern San Emigdio Range and the Mt Pinos Region. Tejon Ranch service road at the head of Grapevine Canyon, on slopes around Fort Tejon 990 Comment
  CAS-BOT-BC301861  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-BC301867  Eriophyllum pringlei Ernest C. Twisselmann 1964-5-6 9316 Kern Tehachapi-Kernville Region. Head of Alphie Spring fork of Jawbone Canyon 1219 Comment
  CAS-BOT-BC302424  Hazardia whitneyi Ernest C. Twisselmann 1963-7-10 8680 Kern Sierra Nevada, Kern Plateau. Ridge southwest of Pine Flat 2270 Comment
  CAS-BOT-BC302550  Gnaphalium palustre Ernest C. Twisselmann 1955-10-21 2491 Kern Tehachapi-Kernville Region. Piute Peak Road, 1 mile west of French Meadow Ranger Station 2191 Comment
  CAS-BOT-BC302554  Gnaphalium palustre Ernest C. Twisselmann 1956-9-20 3202 Kern Tehachapi-Kernville Region. Piute Mountains: Brown Meadow 2301 Comment
  CAS-BOT-BC304603  Gutierrezia californica Ernest C. Twisselmann 1954-7-20 1450 Kern Temblor Range and the Western San Joaquin Valley. Bacon Hills, 7.8 miles northwest of South Belridge 335 Comment
  CAS-BOT-BC304606  Gutierrezia californica Ernest C. Twisselmann 1957-11-1 4120 B Kern Temblor Range and the Western San Joaquin Valley. Chico Martinez Canyon flood plain, about 5 miles west of Belridge 228 Comment
  CAS-BOT-BC304616  Gutierrezia californica Ernest C. Twisselmann 1957-11-7 4121 B 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-BC307503  Hazardia whitneyi var. whitneyi Ernest C. Twisselmann 1964-9-16 10178 Kern North end of Piute Mountain, 7.7 miles above Bodfish Saddle, Tehachapi-Kernville Region 1943 Comment
  CAS-BOT-BC308300  Eriophyllum lanatum var. obovatum Ernest C. Twisselmann 1957-7-23 3832 Kern Portugese Pass Road, 3.0 miles north of Greenhorn Pass, Greenhorn Range, Sierra Nevada 1895 Comment
  CAS-BOT-BC308482  Gutierrezia microcephala Ernest C. Twisselmann 1958-11-1 4928 Kern Red Rock Canyon flood plain above Koehn Lake, Mojave-Randsburg Region 662 Comment
  CAS-BOT-BC308516  Gutierrezia sarothrae Ernest C. Twisselmann 1961-10-31 6697 Kern CActus Mine Butte, Rosamund region, Mojave-Randsburg Region, Mojave Desert 777 Comment
  CAS-BOT-BC30936  Acamptopappus sphaerocephalus var. hirtellus E. C. Twisselmann 1958-5-6 4443 Kern El Paso Mountains: Last Chance Canyon 737 Comment
  CAS-BOT-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-BC310695  Euthamia occidentalis Ernest C. Twisselmann 1961-10-5 6627 Kern Eastern San Joaquin Valley. Kern River at Hart Memorial Park 152 Comment
  CAS-BOT-BC310697  Euthamia occidentalis Ernest C. Twisselmann 1958-9-3 4758 Kern Eastern San Joaquin Valley. Kern River: 2.2 miles west of Stockdale Country Club 114 Comment
  CAS-BOT-BC310701  Euthamia occidentalis Ernest C. Twisselmann 1954-9-26 1589 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough: 1.5 miles north of Tupman 91 Comment
  CAS-BOT-BC310702  Euthamia occidentalis Ernest C. Twisselmann 1954-9-26 1589 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough: 1.5 miles north of Tupman 91 Comment
  CAS-BOT-BC310883  Heterotheca shevockii Ernest C. Twisselmann 1958-8-19 4687 Kern Tehachapi-Kernville Region. Kern River Canyon: 1 mile east of Richbar 396 Comment
  CAS-BOT-BC310886  Heterotheca shevockii Ernest C. Twisselmann 1961-8-21 6506 Kern Sierra Nevada, Greenhorn Range. Kern Canyon just west of Richbar 472 Comment
  CAS-BOT-BC311239  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1956-7-17 3066 Kern Tehachapi-Kernville Region. Kelso Valley: near the foot of Geringer Grade 1188 Comment
  CAS-BOT-BC311244  Heterotheca sessiliflora subsp. echioides Ernest C. Twisselmann 1955-8-10 2304 Kern San Emigdio Range. Near the summit of Cuddy Valley 1889 Comment
  CAS-BOT-BC31269  Carex lenticularis var. impressa Ernest C. Twisselmann 1957-6-21 3764 Kern Tiger Flat. 2019 Comment
  CAS-BOT-BC314637  Grindelia hirsutula Ernest C. Twisselmann 1954-9-1 1560 Kern Keck's Corner Road, 1.4 miles south of Devil's Den, Temblor Range and the Western San Joaquin Valley 274 Comment
  CAS-BOT-BC316954  Packera ionophylla Ernest C. Twisselmann 1965-7-6 11117 Kern North slope of Tehachapi Peak. 2042 Comment
  CAS-BOT-BC316958  Packera ionophylla Ernest C. Twisselmann 1956-7-17 3035 Kern French Meadow Road, 0.4 miles east of Piute Peak. 2491 Comment
  CAS-BOT-BC318192  Packera breweri Ernest Christian Twisselmann 1958-5-21 4470 Kern Cienaga Canyon near the Klipstein Ranch 883 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-BC318708  Hieracium horridum Ernest C. Twisselmann 1962-7-19 7462 Kern Lookout Point, Piute Mountains, Tehachapi-Kernville Region 2520 Comment
  CAS-BOT-BC318841  Heterotheca grandiflora Ernest C. Twisselmann 1963-9-19 9045 Kern Cache Creek at Highway U.S. 466, Tehachapi CAnyon, Tehachapi Mountains 1082 Comment
  CAS-BOT-BC320131  Holocarpha heermannii Ernest C. Twisselmann 1955-10-21 2467 Kern Tehachapi-Kernville Region. Caliente Road, 1/8 mile west of Tehachapi Highway 472 Comment
  CAS-BOT-BC322780  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-BC322809  Stephanomeria pauciflora Ernest C. Twisselmann 1959-9-17 5847 Kern Highway U.S. 466 at Cache Creek 6.3 miles northwest of Mojave, Tehachapi-Kernville Region 975 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-BC324210  Syntrichopappus lemmonii Ernest C. Twisselmann 1957-5-10 3508 Kern Dove Spring Canyon, 4 miles west of Red Rock Canyon. 975 Comment
  CAS-BOT-BC324763  Iva axillaris Ernest C. Twisselmann 1958-11-1 4916 Kern Cameron Canyon, Tehachapi Mountains, Tehachapi-Kernville Region 1310 Comment
  CAS-BOT-BC324766  Iva axillaris Ernest C. Twisselmann 1962-6-1 7254 Kern Highline Road at the southwest end of Tehachapi Valley, Tehachapi Mountains 1295 Comment
  CAS-BOT-BC326529  Pluchea sericea Ernest C. Twisselmann 1961-8-21 6510 Kern Kern River flood plain, 5.8 miles west of Hart Park, eastern San Joaquin Valley 176 Comment
  CAS-BOT-BC326530  Pluchea sericea Ernest C. Twisselmann 1961-8-22 6528 Kern Grapevine Canyon west of Indian Wells Valley, Sierra Nevada 929 Comment
  CAS-BOT-BC327338  Layia heterotricha Ernest C. Twisselmann 1954-5-1 1154 Kern Temblor Range and the Western San Joaquin Valley. Mariannas Road, 1 mile W of Carneros Rocks. 548 Comment
  CAS-BOT-BC328193  Pseudobahia peirsonii Ernest C. Twisselmann 1963-4-26 8106 Kern Hugh Smith Ranch near the head of Pine Mountain Creek, Greenhorn Range, Sierra Nevada 777 Comment
  CAS-BOT-BC328973  Tetradymia axillaris var. longispina Ernest C. Twisselmann 1971-4-16 17616 Kern Cyrus Canyon 1188 Comment
  CAS-BOT-BC329043  Tetradymia canescens Ernest C. Twisselmann 1963-8-30 8918 Kern Lookout Point, Paiute Mountains 2499 Comment
  CAS-BOT-BC329152  Lasthenia glabrata subsp. coulteri Ernest C. Twisselmann 1965-3-17 10458 Kern San Joaquin Valley, Kern National Wildlife Refuge. 68 Comment
  CAS-BOT-BC329203  Lasthenia ferrisiae Ernest C. Twisselmann 1955-11-29 2501 Kern Plants of Temblor Range and Western San Joaquin Valley: Kernell Road, 13.3 mi W of Delano 60 Comment
  CAS-BOT-BC329206  Lasthenia ferrisiae Ernest C. Twisselmann 1963-4-12 8024 Kern San Joaquin Valley, The Kern County, East Side. Buena Vista Lake: Coles Levee at Pieri Road. 91 Comment
  CAS-BOT-BC330535  Pentachaeta fragilis Ernest C. Twisselmann 1962-6-22 7327 Kern Tehachapi-Kernville Region. West end of Weldon Meadow, Piute Mountains. 2095 Comment
  CAS-BOT-BC330537  Pentachaeta fragilis Ernest C. Twisselmann 1965-6-4 10969 Kern Greenhorn Range. Woodard Spring fire road just S of Woodard Spring. 1539 Comment
  CAS-BOT-BC331598  Acer macrophyllum Ernest C. Twisselmann 1963-6-3 8324 Kern San Emigdio Range and the Mt. Pinos Region. Black Bob Canyon, just above the mouth of Bradley canyon. 1341 Comment
  CAS-BOT-BC332834  Lagophylla ramosissima Ernest C. Twisselmann 1965-6-24 11083 Kern Telephone Road north of Rising Canyon, Tejon Ranch, Tehachapi Mountains 1028 Comment
  CAS-BOT-BC333128  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1967-9-19 13736 Kern Horse Canyon, Scodie Mountains, Tehachapi-Kernville Region 1767 Comment
  CAS-BOT-BC333174  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1954-6-3 1317 Kern McGovern Grade 2 miles east of Annette, Temblor Range and teh Western San Joaquin Valley 518 Comment
  CAS-BOT-BC338025  Lasthenia californica Ernest C. Twisselmann 1969-4-5 15068 Kern Temblor Range and the Western San Joaquin Valley. Paine Nature Preserve, 2.1 miles north of Highway 46 on the Corcoran Highway 91 Comment
  CAS-BOT-BC339552  Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1956-7-17 3090 Kern Tehachapi-Kernville Region. Butterbread Spring Road, 0.25 mile east of Kelso Valley Summit 1463 Comment
  CAS-BOT-BC340113  Tetradymia stenolepis Ernest C. Twisselmann 1961-10-31 6685 Kern Mohave-Randsburg Region. Willow Springs region: end of Hamilton Road 746 Comment
  CAS-BOT-BC341015  Robinia pseudoacacia Ernest C. Twisselmann 1954-9-26 1597 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough: 1 1/2 miles north of Tupman 91 Comment
  CAS-BOT-BC341017  Robinia pseudoacacia Ernest C. Twisselmann 1961-10-5 6633 Kern Eastern San Joaquin Valley. Kern River at Hart Memorial Park 152 Comment
  CAS-BOT-BC341058  Scutellaria mexicana Ernest C. Twisselmann 1970-5-6 16479 Kern Mojave Desert, Red Rock Canyon. Head of the canyon above Ricardo 822 Comment
  CAS-BOT-BC341069  Scutellaria mexicana Ernest C. Twisselmann 1966-6-9 12341 Kern Tehachapi Mountains. Bird Bath Spring in a fork of Pine Tree Canyon 1158 Comment
  CAS-BOT-BC341843  Lessingia nemaclada Ernest C. Twisselmann 1954-8-21 1524 Kern Temblor Range and the Western San Joaquin Valley. U.S. 466, 5.4 miles east of Lost Hills 67 Comment
  CAS-BOT-BC341846  Lessingia nemaclada Ernest C. Twisselmann 1955-6-4 2079 Kern Temblor Range and the Western San Joaquin Valley. Jerry Slough plain, 5.8 miles north of Buttonwillow 76 Comment
  CAS-BOT-BC341851  Lessingia nemaclada Ernest C. Twisselmann 1965-10-1 11620 Kern Sierra Nevada, Greenhorn Range. Lumreau Creek, ca. 0.2 mile below the falls 838 Comment
  CAS-BOT-BC342180  Logfia filaginoides Ernest C. Twisselmann 1963-6-4 8375 Kern Temblor Range and the Western San Joaquin Valley. Ross Ridge 762 Comment
  CAS-BOT-BC343039  Madia gracilis Ernest C. Twisselmann 1963-8-30 8927 Kern Tehachapi-Kernville Region. French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC343040  Madia gracilis Ernest C. Twisselmann 1963-7-10 8700 Kern Sierra Nevada, Kern Plateau. Fork of Cannell Creek on Pine Flat 2164 Comment
  CAS-BOT-BC346382  Psorothamnus arborescens Ernest C. Twisselmann 1963-5-10 8144 Kern SW end of Rand Mts 655 Comment
  CAS-BOT-BC347670  Malacothrix glabrata Ernest C. Twisselmann 1969-5-21 15343 Kern Mojave Desert, Red Rock Canyon. Slope at the head of Tarweed Creek 777 Comment
  CAS-BOT-BC347813  Malacothrix saxatilis var. commutata Ernest C. Twisselmann 1965-7-27 11267 Kern Tehachapi-Kernville Region. East slope of Breckenridge Mountain 1615 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-BC347906  Malacothrix saxatilis var. tenuifolia Ernest C. Twisselmann 1966-9-8 12756 Kern San Emigdio Range and the Mt. Pinos Region. Mt. Abel Road, 2.1 miles northwest of Valle Vista Public Camp 1371 Comment
  CAS-BOT-BC347997  Malacothrix sonchoides Ernest C. Twisselmann 1965-5-5 10699 Kern Mojave Desert, Mojave-Randsburg Region. Dunes between Buckhorn & Rogers Lakes, Edwards Air Force Base 731 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-BC349442  Monolopia lanceolata Ernest C. Twisselmann 1955-3-9 1704 Kern Temblor Range and the Western San Joaquin Valley. Plain 1 1/2 mile south of Devil's Den 274 Comment
  CAS-BOT-BC349475  Monolopia lanceolata Ernest C. Twisselmann 1954-3-26 926 Kern Temblor Range and the Western San Joaquin Valley. Carter Grade, 1 mile west of Annette 579 Comment
  CAS-BOT-BC349477  Monolopia lanceolata Ernest C. Twisselmann 1958-4-17 4328 Kern Mojave Desert, Mojave-Randsburg Region. North slope of Soledad Mountain 975 Comment
  CAS-BOT-BC349667  Monolopia stricta Ernest C. Twisselmann 1954-3-13 875 Kern Temblor Range and the Western San Joaquin Valley. Lost Hills: 1/2 mile west of Lost Hills Oil Field 121 Comment
  CAS-BOT-BC349723  Monoptilon bellidiforme Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-5-22 14223 Kern Mojave Desert, Mojave-Randsburg Region. Dunes at the southeast end of Buckhorn Dry Lake 746 Comment
  CAS-BOT-BC349871  Nicolletia occidentalis Ernest C. Twisselmann 1969-5-21 15413 Kern Mojave Desert, Red Rock Canyon. Sand dunes on the east side of the first ridge east of the main canyon floor 792 Comment
  CAS-BOT-BC349875  Nicolletia occidentalis Ernest C. Twisselmann 1965-5-5 10684 Kern Mojave Desert, Mojave-Randsburg Region. Northeast end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  CAS-BOT-BC35082  Ambrosia dumosa Ernest Christian Twisselmann 1958-11-1 4932 Kern Last Chance Canyon flood plain, above Koehn Lake Comment
  CAS-BOT-BC35084  Ambrosia dumosa Ernest Christian Twisselmann 1956-4-20 2686 Kern Jawbone Canyon 784 Comment
  CAS-BOT-BC354148  Lasthenia chrysantha Ernest C. Twisselmann 1958-3-22 4148 Kern Eastern San Joaquin Valley: Garces Road, 2 miles W of Corcoran Hwy (plains NW of Pond). 91 Comment
  CAS-BOT-BC35574  Carex jonesii Ernest C. Twisselmann 1963-7-9 8642 Kern Mountain Meadow, on the east slope of Sunday peak 2164 Comment
  CAS-BOT-BC355920  Perityle emoryi Ernest C. Twisselmann 1966-4-12 11863 Kern Mojave Desert, Mojave-Randsburg Region. Last Chance Canyon, El Paso Range 731 Comment
  CAS-BOT-BC356122  Pluchea odorata Ernest C. Twisselmann 1966-8-26 12750 Kern San Joaquin Valley, the Kern County East Side. Poso Creek at the mouth of Sand Canyon 213 Comment
  CAS-BOT-BC356691  Pseudognaphalium californicum Ernest C. Twisselmann 1965-7-6 11165 Kern Tehachapi Mountains. Bakersfield Highway just west of Hart Flat 792 Comment
  CAS-BOT-BC361936  Psilocarphus tenellus Ernest C. Twisselmann 1954-4-6 1005 Kern Temblor Range and the Western San Joaquin Valley. Alkali Sink: 10 miles north of Lost Hills 106 Comment
  CAS-BOT-BC362983  Rigiopappus leptocladus Ernest C. Twisselmann 1961-5-4 6078 Kern Sierra Nevada, Greenhorn Range. Greenhorn Pass Road, 3.4 miles west of Wofford Heights 1089 Comment
  CAS-BOT-BC362991  Rigiopappus leptocladus Ernest C. Twisselmann 1965-6-3 10953 Kern Tehachapi-Kernville Region. Hill east of Bodfish Gap (northwest end of Piute Mountain) 1234 Comment
  CAS-BOT-BC36314  Chrysolepis sempervirens Ernest C. Twisselmann 1956-9-20 3191 Kern Piute Mountains: Clear Creek Canyon, 0.8 mile above Brown Meadow 2369 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-BC364991  Solidago velutina subsp. californica Ernest C. Twisselmann 1964-9-16 10179 Kern Tehachapi-Kernville Region. Crest of Piute Mountain, 1.4 mile south of Saddle Springs 2209 Comment
  CAS-BOT-BC364995  Solidago velutina subsp. californica Ernest C. Twisselmann 1954-7-31 1481 Kern Temblor Range and the Western San Joaquin Valley. Santos Canyon: 3 miles northwest of Carneros Rocks 457 Comment
  CAS-BOT-BC365003  Solidago velutina subsp. californica Ernest C. Twisselmann 1962-11-14 7987 Kern San Joaquin Valley, the Kern County East Side. Taft Highway, 0.6 mile east of Old River 105 Comment
  CAS-BOT-BC365445  Solidago elongata Ernest C. Twisselmann 1964-9-16 10193 Kern Tehachapi-Kernville Region. French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC366128  Lasthenia minor Ernest C. Twisselmann 1958-3-11 4139 Kern Flowering Plants of the Temblor Range and the Western San Joaquin Valley. Plains 3 miles north of Lost Hills Oil Field 137 Comment
  CAS-BOT-BC366139  Lasthenia minor Ernest C. Twisselmann 1954-3-13 884 Kern Flowering plants of the Temblor Range and the western San Joaquin Valley: Alkali Sink, 9 miles north of Los Hills 74 Comment
  CAS-BOT-BC366170  Lasthenia minor Ernest C. Twisselmann 1958-3-26 4209 Kern Eastern San Joaquin Valley, Seventh Standard Road at Jerry Slough 88 Comment
  CAS-BOT-BC367540  Lasthenia microglossa Ernest C. Twisselmann 1958-4-17 4326 Kern Mojave Desert: N slope of Soledad Mountain 1005 Comment
  CAS-BOT-BC370652  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1969-4-5 15065 Kern Corcoran Highway 0.3 mile north of Highway 46 91 Comment
  CAS-BOT-BC370676  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1965-4-21 10591 Kern The Sheep Trail (Horsethief Flat Road), east of Arvin. 601 Comment
  CAS-BOT-BC370767  Layia pentachaeta subsp. albida Ernest C. Twisselmann 1955-3-15 1712 Kern Carmel Ranch Road, Semitropic 76 Comment
  CAS-BOT-BC371557  Layia pentachaeta subsp. pentachaeta Ernest C. Twisselmann 1962-4-9 6899 Kern Tehachapi-Kernville Region; Richbar, Kern Canyon 365 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-BC375467  Stephanomeria exigua subsp. exigua Ernest C. Twisselmann 1969-5-21 15411 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-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-BC376642  Syntrichopappus fremontii Ernest C. Twisselmann 1971-4-26 17654 Kern Cyrus Canyon 1188 Comment
  CAS-BOT-BC38389  Caulanthus coulteri Ernest C. Twisselmann 1963-4-26 8111 Kern Sierra Nevada. Greenhorn Range. Ridge above Poso Mine. 670 Comment
  CAS-BOT-BC383937  Abronia pogonantha Ernest C. Twisselmann 1962-4-10 6780 Kern Mojave Desert, Mojave-Randsburg Region. El Paso Range: mouth of Iron Canyon 670 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-BC38408  Caulanthus coulteri Ernest C. Twisselmann 1961-5-24 6228 Kern Tehachapi Mountains. Tejon Ranch. Purdy Ridge. 1584 Comment
  CAS-BOT-BC38426  Caulanthus coulteri Ernest C. Twisselmann 1957-6-5 3612 Kern Tehachapi - Kernville Region. Piune Mountains. West side of Bald Eagle Peak. 1958 Comment
  CAS-BOT-BC38430  Caulanthus coulteri Ernest C. Twisselmann 1963-4-18 8080 Kern San Emigdio Range and the Mt. Pinos Region. Northeast end of Pleito Hills. 487 Comment
  CAS-BOT-BC38452  Caulanthus coulteri Ernest C. Twisselmann 1957-3-27 3281 Kern Tehachapi-Kernville Region. Tehachapi Mountains. White Wolf Grade. 373 Comment
  CAS-BOT-BC38454  Caulanthus coulteri Ernest C. Twisselmann 1957-6-5 3612 Kern Tehachapi-Kernville Region. Piute Mountains. West side of Bald Eagle Peak. 1958 Comment
  CAS-BOT-BC38457  Caulanthus coulteri Ernest C. Twisselmann 1963-4-18 8065 Kern San Emigdio Range and the Mount Pinos Region. San Emigdio Canyon. 563 Comment
  CAS-BOT-BC389082  Silene laciniata subsp. californica Ernest C. Twisselmann 1957-6-5 3611 Kern Tehachapi-Kernville Region. Piute Mountains: north slope of Bald Eagle Peak 1722 Comment
  CAS-BOT-BC389087  Silene laciniata subsp. californica Ernest C. Twisselmann 1959-5-2 5170 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road, 4.4 miles west of Munzer Meadow 1592 Comment
  CAS-BOT-BC390083  Spergularia atrosperma Ernest C. Twisselmann 1954-3-13 887 Kern Temblor Range and the Western San Joaquin Valley. Alkali Sink, 9 miles north of Lost Hills 74 Comment
  CAS-BOT-BC390086  Spergularia atrosperma Ernest C. Twisselmann 1962-5-8 7094 Kern Mojave Desert, Mojave-Randsburg Region. Red Rock Canyon, about 0.25 mile above the freeway bridge 701 Comment
  CAS-BOT-BC390255  Spergularia macrotheca var. leucantha Ernest C. Twisselmann 1963-6-11 8449 Kern Tehachapi-Kernville Region. Scovern Hot Springs, below Isabella 762 Comment
  CAS-BOT-BC390257  Spergularia macrotheca var. leucantha Ernest C. Twisselmann 1968-8-22 14898 Kern San Joaquin Valley, the Kern County East Side. Jerry Slough at the Tracy Ranch (UC Public Health study area) 91 Comment
  CAS-BOT-BC390780  Spergularia marina Ernest C. Twisselmann 1964-5-7 9372 Kern Mojave Desert, Mojave-Randsburg Region. Sand dunes at the south end of Rogers Lake, Edwards Air Force Base 609 Comment
  CAS-BOT-BC390788  Spergularia marina Ernest C. Twisselmann 1963-4-12 8025 Kern San Joaquin Valley, the Kern County East Side. Buena Vista Lake: Coles Levee at Pieri Road 91 Comment
  CAS-BOT-BC39359  Arctostaphylos glauca Ernest C. Twisselmann 1957-6-25 3774 Kern San Emigdio Range, San Emigdio Canyon: just below Mill Potrero. 1310 Comment
  CAS-BOT-BC39360  Arctostaphylos glauca Ernest C. Twisselmann 1957-6-25 3774 Kern San Emigdio Range, San Emigdio Canyon: just below Mill Potrero. 1310 Comment
  CAS-BOT-BC39361  Arctostaphylos glauca Ernest C. Twisselmann 1966-7-5 12538 Kern Tehachapi Mountains, Slope east of the mouth of Chanyon de la Lecheria. 1341 Comment
  CAS-BOT-BC400862  Hypericum anagalloides Ernest C. Twisselmann 1957-7-23 3860 Kern Sierra Nevada, Greenhorn Range. Trail to Sunday Peak 2270 Comment
  CAS-BOT-BC401381  Hypericum scouleri Ernest C. Twisselmann 1971-7-15 17880 Kern Sierra Nevada, Kern Plateau. North fork of the head of Bartolas Creek 2011 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-BC401387  Hypericum scouleri Ernest C. Twisselmann 1956-7-17 3073 Kern Tehachapi-Kernville Region. Piute Mountains: Grouse Meadow 2225 Comment
  CAS-BOT-BC401908  Gilia ochroleuca subsp. ochroleuca Ernest C. Twisselmann; Eben McMillan; Clifton Smith 1968-4-24 14102 Kern Cyrus Canyon (east of Kern Valley) 1036 Comment
  CAS-BOT-BC403103  Eschscholzia californica Ernest C. Twisselmann 1964-5-26 9516 Kern Tehachapi-Kernville Region. Walker Basin 914 Comment
  CAS-BOT-BC403825  Hesperocnide tenella Ernest C. Twisselmann 1963-5-11 8217 Kern Tehachapi Mountains. Hart Flat 762 Comment
  CAS-BOT-BC40612  Erysimum capitatum Ernest C. Twisselmann 1963-7-10 8651 Kern Sierra Nevada. Rim of the Kern Plateau southwest of Pine Flat. 2255 Comment
  CAS-BOT-BC40617  Erysimum capitatum Ernest C. Twisselmann 1965-7-28 11333 Kern Sierra Nevada. Kern Plateau. Pine Flat. 2225 Comment
  CAS-BOT-BC40649  Erysimum capitatum Ernest C. Twisselmann 1961-6-22 6330 Kern San Emigdio Range and the Mount Pinos Region. Saddle between Sawmill Mountain and Mount Pinos. 2529 Comment
  CAS-BOT-BC412662  Hollisteria lanata Ernest C. Twisselmann 1971-7-5 17811 Kern Temblor Range and the Western San Joaquin Valley. Hills at the summit of Devil's Water Canyon 883 Comment
  CAS-BOT-BC412671  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-BC412675  Hollisteria lanata Ernest C. Twisselmann 1969-4-19 15132 Kern San Joaquin Valley, the Kern County East Side. Comanche Hills along Tejon Creek, ca. 1.25 mile above its mouth 335 Comment
  CAS-BOT-BC412746  Lastarriaea coriacea Ernest C. Twisselmann 1964-5-15 9493 Kern Sierra Nevada, Greenhorn Range. South side of Grizzly Gulch on the White River-Rag Gulch road 487 Comment
  CAS-BOT-BC415964  Mucronea perfoliata Ernest C. Twisselmann 1952-4-28 139 Kern Frenchuaboy Canyon 304 Comment
  CAS-BOT-BC415968  Mucronea perfoliata Ernest C. Twisselmann 1958-8-8 4592 Kern Tejon Ranch: The Bear Trap, Tehachapi Kernville Region 1036 Comment
  CAS-BOT-BC419520  Eschscholzia lobbii Ernest C. Twisselmann 1964-4-25 9249 Kern Sierra Nevada, Greenhorn Range. North slope of Howling Gulch, ca. 3 miles southeast of Woody 822 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-BC421157  Pterostegia drymarioides Ernest C. Twisselmann 1965-4-21 10589 Kern Tehachapi Mountains. Tejon Canyon. 762 Comment
  CAS-BOT-BC421163  Pterostegia drymarioides Ernest C. Twisselmann 1964-5-6 9319 Kern Tehachapi-Kernville Region. Alphie Spring fork of Jawbone Canyon. 1082 Comment
  CAS-BOT-BC42153  Arctostaphylos patula subsp. patula Ernest C. Twisselmann 1957-5-24 3577 Kern Kernville road, 0.5 mile west of Alta Sierra. The Greenhorn Range. 1828 Comment
  CAS-BOT-BC42194  Arctostaphylos patula subsp. patula Ernest C. Twisselmann 1965-7-28 11328 Kern Ridge southeast of Pine Flat 2377 Comment
  CAS-BOT-BC42196  Arctostaphylos patula subsp. patula Ernest C. Twisselmann 1963-7-10 8685 Kern Rim of the kern Plateau southwest of Pine Flat 2225 Comment
  CAS-BOT-BC422652  Meconella californica Ernest C. Twisselmann 1964-4-25 9238 Kern Sierra Nevada, Greenhorn Range. The Sheep Camp, ca. 4.5 miles east of Woody 1005 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-BC428391  Dudleya lanceolata Ernest C. Twisselmann 1963-6-3 8384 Kern San Emigdio Range and the Mt. Pinos Region. Salt Creek Canyon, San Emigdio Range 914 Comment
  CAS-BOT-BC43332  Descurainia pinnata subsp. glabra Ernest C. Twisselmann 1969-5-21 15435 Kern Mojave Desert. Red Rock Canyon. Ricardo. 792 Comment
  CAS-BOT-BC433899  Rumex salicifolius Ernest C. Twisselmann 1971-7-15 17851 Kern Sierra Nevada, Kern Plateau. South fork of the head of Bartolas Creek 1981 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-BC43472  Descurainia sophia Ernest C. Twisselmann 1958-4-17 4294 Kern Mohave-Randsburg Region. U.S. 466, 10.3 miles west of Boron. 792 Comment
  CAS-BOT-BC434787  Mirabilis laevis var. retrorsa Ernest C. Twisselmann 1962-5-8 7134 Kern Box Canyon at the head of Short Canyon 1036 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-BC434895  Mirabilis multiflora var. pubescens Ernest C. Twisselmann 1965-6-18 11013 Kern San Emigdio Range and the Mt. Pinos Region. Pleito Ridge, San Emigdio Range 1066 Comment
  CAS-BOT-BC434903  Mirabilis multiflora var. pubescens Ernest C. Twisselmann 1965-4-26 10619 Kern Sierra Nevada, Greenhorn Range. The Crater, Adobe Canyon 381 Comment
  CAS-BOT-BC43615  Dithyrea californica Ernest C. Twisselmann 1965-5-5 10688 Kern Mojave Desert. Mojave-Randsburg Region. Northeast end of Buckhorn Lake, Edwards Air Force Base. 754 Comment
  CAS-BOT-BC438713  Cistanthe monandra Ernest C. Twisselmann 1963-5-11 8179 Kern Tehachapi-Kernville Region. Horse Canyon, Scodie (Kiavah) Mountain. 1615 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-BC439182  Claytonia exigua subsp. exigua Ernest C. Twisselmann 1955-5-12 1981 Kern Temblor Range and the Western San Joaquin Valley. Summit of Associated Canyon, Temblor Mountains 1127 Comment
  CAS-BOT-BC44560  Arctostaphylos viscida subsp. mariposa Ernest C. Twisselmann 1959-6-18 5357 Kern Piute Mountains: Erksine Creek 1112 Comment
  CAS-BOT-BC44561  Arctostaphylos viscida subsp. mariposa Ernest C. Twisselmann 1966-5-12 12224 Kern Greenhorn Range - McFarland Creek at the fire road. NE of Glennville 1539 Comment
  CAS-BOT-BC445788  Sagittaria longiloba Ernest C. Twisselmann 1964-9-29 10234 Kern San Joaquin Valley, Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC45038  Diplacus pictus Ernest C. Twisselmann 1964-4-25 9242 Kern Greenhorn Range, The Sheep Camp, ca. 4.5 miles east of Woody. 1021 Comment
  CAS-BOT-BC451815  Triglochin maritima Ernest C. Twisselmann 1962-9-20 7876 Kern Tehachapi-Kernville Region. Isabella alkali flats at Scovern Hot Springs. 685 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-BC45667  Quercus agrifolia Ernest C. Twisselmann 1953-9-4 738 Kern Bill Little Spring, 1 mile south of Carneros Rocks 502 Comment
  CAS-BOT-BC45888  Arctostaphylos nevadensis Ernest C. Twisselmann 1966-6-23 12389 Kern Summit of Sunday Peak 2535 Comment
  CAS-BOT-BC45891  Arctostaphylos nevadensis Ernest C. Twisselmann 1966-6-23 12389 Kern Summit of Sunday Peak 2535 Comment
  CAS-BOT-BC46757  Arctostaphylos parryana Ernest C. Twisselmann 1959-6-2 5308 Kern Tecuya Ridge. Shandon. 1950 Comment
  CAS-BOT-BC46763  Arctostaphylos parryana Ernest C. Twisselmann 1966-7-5 12545 Kern Summit ridge w. of Bronco Canyon, Tejon Ranch. 1706 Comment
  CAS-BOT-BC46903  Arctostaphylos viscida subsp. mariposa Ernest C. Twisselmann 1959-6-18 5357 Kern Piute Mountains: Erskine Creek 1112 Comment
  CAS-BOT-BC46933  Androsace elongata subsp. acuta Ernest C. Twisselmann 1957-4-30 3456 Kern Piute Mountains: Erskine Creek. 1188 Comment
  CAS-BOT-BC47128  Arctostaphylos viscida subsp. mariposa Ernest C. Twisselmann 1964-5-15 9428 Kern W. side of the summit of Blue Mountain. 1493 Comment
  CAS-BOT-BC47134  Arctostaphylos viscida subsp. mariposa Ernest C. Twisselmann 1958-5-21 4483 Kern Wagy Flat Road, 2.4 mi. e. of the summit. Shandon. 1584 Comment
  CAS-BOT-BC482151  Bloomeria crocea var. montana Ernest C. Twisselmann 1956-7-17 3059 Kern Piute Countains: Gerenger Grade near the National Foest Boundary 1981 Comment
  CAS-BOT-BC482155  Bloomeria crocea var. montana Ernest C. Twisselmann 1965-7-6 11160 Kern Summit of Cameron Canyon 1424 Comment
  CAS-BOT-BC482157  Bloomeria crocea var. montana Ernest C. Twisselmann 1967-6-28 13541 Kern Oak Creek Canyon, 0.5 miles east of the summit. On both slopes of Oak Creek Pass. 1386 Comment
  CAS-BOT-BC48267  Arctostaphylos viscida subsp. viscida Ernest C. Twisselmann 1961-7-26 6356 Kern Greenhorn Range - Bull Run Creek, ca. 2 miles west of Kern River. 1127 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-BC48857  Ceanothus cuneatus Ernest C. Twisselmann 1954-3-27 949 Kern Joe Messa Ridge: 1 1/2 miles west of Carneros Rocks 609 Comment
  CAS-BOT-BC49283  Ceanothus cuneatus Ernest C. Twisselmann 1953-4-3 319 Kern Temblor Range and the Western San Joaquin Valley - Messa Ridge, 2 miles west of Carneros Rocks Comment
  CAS-BOT-BC50677  Ceanothus integerrimus var. macrothyrsus Ernest C. Twisselmann 1966-7-13 12573 Kern San Emigdio Range and the Mt. Pinos Region: Slope south of Mil Potreros 1645 Comment
  CAS-BOT-BC52485  Ceanothus vestitus Ernest C. Twisselmann 1961-5-24 6217 Kern Tejon Ranch: Secretario Canyon (Mojave Drainage) 1188 Comment
  CAS-BOT-BC52773  Ceanothus vestitus Ernest C. Twisselmann 1966-7-5 12540 Kern Tehachapi Mountains - Slope east of the mouth of Canyon de la Lecheria. 1341 Comment
  CAS-BOT-BC53458  Frangula californica subsp. tomentella Ernest C. Twisselmann 1966-5-20 12230 Kern High slope 2.5 miles southeast of the Loop Ranch (near Keene) 1203 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-BC53930  Frangula californica subsp. cuspidata Ernest C. Twisselmann 1958-5-27 4500 Kern Tehachapi-Kernville Region - Canebrake Canyon, about 0.25 mile west of Walker Pass Station. 1341 Comment
  CAS-BOT-BC53931  Frangula californica subsp. cuspidata Ernest C. Twisselmann 1958-8-19 4724 Kern Tehachapi-Kernville Region - Breckenridge Mountain Road, 0.4 mile east of Barrel Spring 1981 Comment
  CAS-BOT-BC55337  Hirschfeldia incana Ernest C. Twisselmann 1958-9-3 4753 Kern Eastern San Joaquin Valley. Kern River. 2.2 miles west of Stockdale Country Club. 114 Comment
  CAS-BOT-BC56750  Echinocactus polycephalus Ernest C. Twisselmann 1966-4-26 12000 Kern Field redacted by CAS, contact the data manager for more information 1021 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-BC57280  Equisetum laevigatum Ernest C. Twisselmann 1963-9-18 9038 Kern Kern River just above Kernville 838 Comment
  CAS-BOT-BC57281  Equisetum laevigatum Ernest C. Twisselmann 1962-5-8 7131 Kern Head of Short Canyon 1066 Comment
  CAS-BOT-BC57288  Equisetum laevigatum Ernest C. Twisselmann 1962-7-19 7484 Kern French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC57290  Equisetum laevigatum Ernest C. Twisselmann 1962-7-19 7484 Kern French Meadow, Piute Mountains 2072 Comment
  CAS-BOT-BC57291  Equisetum laevigatum Ernest C. Twisselmann 1965-10-1 11656 Kern Cedar Creek, just below the mouth of Lumreau Creek 792 Comment
  CAS-BOT-BC57298  Equisetum laevigatum Ernest C. Twisselmann 1963-6-11 8429 Kern Erskine Creek, Piute Mountains 1188 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-BC60028  Lepidium virginicum var. menziesii Ernest C. Twisselmann 1964-7-25 9951 Kern Sierra Nevada. Greenhorn Range. Lynns Valley at the Henry Bowen Ranch. 975 Comment
  CAS-BOT-BC60389  Nasturtium officinale Ernest C. Twisselmann 1953-6-6 241 Kern Temblor Range and the Western San Joaquin Valley. Antelope Spring, 10 miles northeast of Simmler. Comment
  CAS-BOT-BC61054  Streptanthella longirostris Ernest C. Twisselmann 1957-4-10 3344 Kern Mohave-Randsburg Region. El Paso Mountains. Last Chance Canyon. 1143 Comment
  CAS-BOT-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-BC61063  Streptanthella longirostris Ernest C. Twisselmann 1965-5-5 10700 Kern Mojave Desert. Mojave-Randsburg Region. Dunes between Buckhorn and Rogers Lakes, Edwards Air Force Base. 731 Comment
  CAS-BOT-BC61065  Streptanthella longirostris Ernest C. Twisselmann 1966-4-13 11838 Kern Mojave Desert. Mojave-Randsburg Region. Plains esat of Ridgecrest, along County Line Road. 719 Comment
  CAS-BOT-BC61343  Streptanthus cordatus var. piutensis Ernest C. Twisselmann 1963-8-30 8893 Kern Tehachapi-Kernville Region. North end of Piute Mountain (2.1 miles above Bodfish Gap). 1386 Comment
  CAS-BOT-BC61553  Quercus lobata Ernest C. Twisselmann 1958-8-8 4589 Kern West side of Antelope Valley: dry wash at the mouth of Little Sycamore Canyon 731 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-BC61562  Quercus lobata Ernest C. Twisselmann 1964-7-23 9774 Kern Glennville-Greenhorn Road, 0.5 miles east of the National Forest boundary 1402 Comment
  CAS-BOT-BC61564  Quercus lobata Ernest C. Twisselmann 1965-6-18 11026 Kern Ridge between San Emigdio Canyon and Little Pleito Canyon 655 Comment
  CAS-BOT-BC61566  Quercus lobata Ernest C. Twisselmann 1968-8-22 14901 Kern Tracy Ranch at Jerry Slough 99 Comment
Read comments
Oct 16 2018
  CAS-BOT-BC62610  Quercus chrysolepis Ernest C. Twisselmann 1963-8-8 8867 Kern Slope just west of Tejon Pass 1554 Comment
  CAS-BOT-BC62611  Quercus chrysolepis Ernest C. Twisselmann 1963-8-8 8868 Kern Slope just west of Tejon Pass 1554 Comment
  CAS-BOT-BC62618  Quercus chrysolepis Ernest C. Twisselmann 1966-6-9 12376 Kern High slope south of upper Pine Tree Canyon 1706 Comment
  CAS-BOT-BC62734  Quercus garryana var. breweri Ernest C. Twisselmann 1956-9-20 3180 Kern Breckenridge Mountain road, 1.6 mile west of Havilah road 1280 Comment
  CAS-BOT-BC63689  Ceanothus integerrimus Ernest C. Twisselmann 1956-6-14 2954 Kern Mt. Pinos road near McGill Public Camp. Shandon. 1996 Comment
  CAS-BOT-BC64003  Anisocoma acaulis Ernest C. Twisselmann 1965-5-6 10770 Kern Indian Wells Valley: plain just south of Harts Station 975 Comment
  CAS-BOT-BC64005  Anisocoma acaulis Ernest C. Twisselmann 1971-4-26 17630 Kern Cyrus Canyon 1188 Comment
  CAS-BOT-BC64048  Anisocoma acaulis Ernest C. Twisselmann 1956-4-20 2654 Kern Kelson Creek Canyon, 5.5 miles south of Weldon 883 Comment
  CAS-BOT-BC64604  Androsace elongata subsp. acuta Ernest C. Twisselmann 1955-3-5 1684 Kern Packwood Canyon, 8 mi. w. of Blackwell's Corner. Shandon. 365 Comment
  CAS-BOT-BC67746  Pellaea andromedifolia Ernest C. Twisselmann 1960-4-2 5932 Kern Tehachapi-Kernville Region - Kern Canyon: ravine 3.6 miles east of Democrat Guard Station. 731 Comment
  CAS-BOT-BC67819  Marsilea vestita Ernest C. Twisselmann 1964-9-29 10267 Kern San Joaquin Valley, Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC67823  Marsilea vestita Ernest C. Twisselmann 1958-9-3 4777 Kern Eastern San Joaquin Valley - Enos Road at Highway 399 (Taft Highway). 121 Comment
  CAS-BOT-BC68680  Athyrium filix-femina var. californicum Ernest C. Twisselmann 1961-7-27 6394 Kern Sierra Nevada - Greenhorn Range - Cienega on the east slope of Sunday Peak. 2164 Comment
  CAS-BOT-BC70001  Cheilanthes covillei Ernest C. Twisselmann 1954-3-28 937 Kern Carneros Rocks 457 Comment
  CAS-BOT-BC70881  Dryopteris arguta Ernest C. Twisselmann 1964-7-23 9778 Kern Ridge above Cedar Creek Public Camp 1470 Comment
  CAS-BOT-BC70891  Dryopteris arguta Ernest C. Twisselmann 1958-8-19 4730 Kern Breckenridge Mountain Road, 6.5 miles west of Barrel Spring 1493 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-BC71317  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-BC71659  Pentagramma triangularis subsp. triangularis Ernest C. Twisselmann 1956-4-23 2708 Kern Rimrock at west summit of Orchard Peak (Antelope Mountain), western Kern County 955 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-BC73156  Pinus jeffreyi Ernest C. Twisselmann 1966-6-9 12374 Kern Tehachapi-Kernville Region, high slope south of upper Pine Tree Canyon. 1706 Comment
  CAS-BOT-BC73527  Abies concolor Ernest C. Twisselmann 1964-9-16 10182 Kern Tehachapi-Kernville Region - Lookout Point, piute Mountains. 2522 Comment
  CAS-BOT-BC73665  Maclura pomifera Ernest C. Twisselmann 1964-7-17 9719 Kern San Joaquin Valley - Old Highway U.S. 99, 10.3 miles north of Metterlers Station (Kern Island region). 121 Comment
  CAS-BOT-BC73778  Peritoma arborea var. angustata Ernest C. Twisselmann 1962-4-10 6790 Kern Mojave Desert, Mohave-Ransburg region - mouth of Iron Canyon, El Paso Range. 701 Comment
  CAS-BOT-BC73942  Turritis glabra Ernest C. Twisselmann 1964-6-21 9684 Kern Tehachapi Mountains. Bear Valley. 1295 Comment
  CAS-BOT-BC74524  Rorippa curvisiliqua Ernest C. Twisselmann 1965-10-1 11663 Kern Sierra Nevada. Greenhorn Range. Cedar Creek, 0.25 mile below Lumreau Creek. 777 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-BC76432  Eschscholzia lemmonii Ernest C. Twisselmann 1962-3-30 6736 Kern Temblor Range and the Western San Joaquin Valley. Antelope Plains. Devil's Water Canyon flood plain. 281 Comment
  CAS-BOT-BC77519  Peritoma arborea var. arborea Ernest C. Twisselmann 1962-5-8 7113 Kern Grapevine Canyon, southern Sierra Nevada 960 Comment
  CAS-BOT-BC77582  Peritoma arborea var. globosa Ernest C. Twisselmann 1966-3-29 11759 Kern Northeast end of Sand Ridge (near Edison) 289 Comment
  CAS-BOT-BC77647  Celtis reticulata Ernest C. Twisselmann 1966-5-20 12233 Kern Loop Ranch: summit of the high ridge ca. 5 miles northwest of Tehachapi 1432 Comment
  CAS-BOT-BC78848  Pinus monophylla Ernest C. Twisselmann 1963-8-8 8845 Kern [Cienegas] Cienaga near the head of Tejon Creek 1645 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-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-BC8098  Delphinium parishii subsp. parishii Ernest C. Twisselmann 1956-4-20 2668 Kern Canyon side near Jawbone Well, Jawbone Canyon 865 Comment
  CAS-BOT-BC8099  Delphinium parishii subsp. parishii Ernest C. Twisselmann 1956-4-20 2668 Kern Canyon side near Jawbone Well, Jawbone Canyon 865 Comment
  CAS-BOT-BC81525  Ephedra californica Ernest C. Twisselmann 1961-8-21 6509 Kern Mouth of Kern Canyon 274 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-BC81957  Ephedra viridis Ernest C. Twisselmann 1967-9-19 13722 Kern Summit ridge of Scodie (Kiahvah) Mountain 1950 Comment
  CAS-BOT-BC84810  Artemisia douglasiana Ernest C. Twisselmann 1958-8-13 4637 Kern Sierra Nevada, Greenhorn Range - Fulton Creek, 0.5 mile east of Fulton Ranger Station 1005 Comment
  CAS-BOT-BC84811  Artemisia douglasiana Ernest C. Twisselmann 1972-9-22 19210 Kern Sierra Nevada, Poso Creek 1 mile west of Glennville 914 Comment
  CAS-BOT-BC8670  Delphinium gypsophilum Ernest C. Twisselmann 1965-4-26 10637 Kern Adobe Canyon 320 Comment
  CAS-BOT-BC86875  Quercus douglasii Ernest C. Twisselmann 1964-7-23 9772 Kern Glennville-Greenhorn Road, 0.4 mile E of the National Forest Boundary 1402 Comment
  CAS-BOT-BC86884  Quercus douglasii Ernest C. Twisselmann 1966-6-8 12329 Kern N end of Brites Valley 1280 Comment
  CAS-BOT-BC86886  Quercus douglasii Ernest C. Twisselmann 1966-6-8 12330 Kern N end of Brites Valley 1280 Comment
  CAS-BOT-BC8712  Delphinium gypsophilum Ernest C. Twisselmann 1954-4-17 1093 Kern Temblor Grade; 7 miles west of McKittrick Comment
  CAS-BOT-BC8717  Delphinium gypsophilum Ernest C. Twisselmann 1958-3-26 4204 Kern Mon Creek, 2.9 miles south of Poso Creek 304 Comment
  CAS-BOT-BC88378  Thysanocarpus curvipes Ernest C. Twisselmann 1966-4-20 11973 Kern Temblor Range and the Western San Joaquin Valley. Temblor Summit, 1 mile east of the Mariannas Ranch. 1036 Comment
  CAS-BOT-BC88568  Hornungia procumbens Ernest C. Twisselmann 1955-3-15 1723 Kern Temblor Range and the Western San Joaquin Valley. Goose Lake alkaline sink. 82 Comment
  CAS-BOT-BC88753  Lepidium appelianum Ernest C. Twisselmann 1959-5-2 5139 Kern Tehachapi-Kernville Region. Walker Basin. 1036 Comment
  CAS-BOT-BC88970  Lepidium dictyotum Ernest C. Twisselmann 1953-3-26 247 Kern Temblor Range and the Western San Joaquin Valley. Bena Vista Slough. US 466 Bridge. Comment
  CAS-BOT-BC89286  Lepidium flavum Ernest C. Twisselmann 1956-3-16 2539 Kern Mojave-Randsburg Region. Mojave Desert, 9.5 miles northeast of Mojave. 784 Comment
  CAS-BOT-BC89578  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-BC89929  Lepidium nitidum Ernest C. Twisselmann 1966-4-20 11975 Kern Temblor Range and Western San Joaquin Valley. Temblor Summit, 1 mile east of the Mariannas Ranch. 1036 Comment
  CAS-BOT-BC90523  Artemisia dracunculus Ernest C. Twisselmann 1965-10-1 11676 Kern Cedar Creek gorge, just below the stone corral 853 Comment
  CAS-BOT-BC90542  Artemisia dracunculus E. C. Twisselmann 1966-7-5 12558 Kern Basque Encina 1356 Comment
  CAS-BOT-BC91115  Umbellularia californica Ernest C. Twisselmann 1963-6-11 8409 Kern Tehachapi-Kernville Region. Kern Canyon at the mouth of Cow Flat Creek. 518 Comment
  CAS-BOT-BC91691  Platystemon californicus Ernest C. Twisselmann 1957-4-30 3445 Kern Tehachapi-Kernville Region. Piute Mountains: Erskine Creek. 981 Comment
  CAS-BOT-BC9256  Mimulus palmeri Ernest C. Twisselmann 1958-8-19 4733 Kern Breckenridge Mountains: Barrel Spring. 1981 Comment
  CAS-BOT-BC92620  Clematis ligusticifolia Ernest C. Twisselmann 1955-8-10 2312 Kern San Emigdio Range. East fork of upper San Emigdio Creek. 1652 Comment
  CAS-BOT-BC92621  Clematis ligusticifolia Ernest C. Twisselmann 1961-7-26 6391 Kern Sierra Nevada. The Greenhorn Range. Angel Creek at Glennville. 960 Comment
  CAS-BOT-BC9266  Erythranthe rhodopetra Ernest C. Twisselmann 1966-3-29 11762 Kern Red Rock Canyon 762 Comment
  CAS-BOT-BC93165  Platanus racemosa Ernest C. Twisselmann 1966-5-20 12321 Kern Tehachapi-Kernville Region. Tweedy Canyon, east of Keene. 853 Comment
  CAS-BOT-BC93375  Ribes cereum Ernest C. Twisselmann 1962-6-22 7303 Kern Tehachapi-Kernville Region. Piute Mountains. Woolstaff Meadow. 2270 Comment
  CAS-BOT-BC93481  Artemisia tridentata subsp. tridentata Ernest C. Twisselmann 1963-6-3 8315 Kern San Emigdio Range and the Mt. Pinos Region - Fork of Pleito Canyon along the road to Salt Creek. 883 Comment
  CAS-BOT-BC93501  Artemisia tridentata subsp. tridentata Ernest C. Twisselmann 1956-9-14 3137 Kern San Emigdio Range - San Emigdio Canyon, 0.5 mile east of Apache Saddle 1836 Comment
  CAS-BOT-BC93508  Artemisia tridentata subsp. tridentata Ernest C. Twisselmann 1963-8-8 8846 Kern Tehachapi-Kernville Region - Cienegas near the head of Tejon Creek 1645 Comment
  CAS-BOT-BC94319  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-BC94323  Quercus garryana var. breweri Ernest C. Twisselmann 1958-8-13 4635 Kern Greenhorn Pass Road, 3 miles E of Fulton Ranger Station 1280 Comment
  CAS-BOT-BC94712  Quercus john-tuckeri Ernest C. Twisselmann 1953-9-4 740 Kern Middle of Mesa Ridge, 3 miles W of Carneros Rocks. Temblor Range and the West San Joaquin Valley 914 Comment
  CAS-BOT-BC94714  Quercus john-tuckeri Ernest C. Twisselmann 1963-6-3 8292 Kern Neasons Flat, San Emigdio Range 1097 Comment
  CAS-BOT-BC94717  Quercus john-tuckeri Ernest C. Twisselmann 1963-6-11 8420 Kern Tehachapi-Kernville Region. Erskine Canyon, Piute Mountains 1249 Comment
  CAS-BOT-BC94720  Quercus john-tuckeri Ernest C. Twisselmann 1965-6-18 11024 Kern San Emigdio Range and the Mt. Pinos Region. Pleito Ridge 1143 Comment
  CAS-BOT-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-BC9592  Mimulus montioides Ernest C. Twisselmann 1965-7-27 11187 Kern Breckenridge Mountain Road at the south fork of upper Lucas Creek. 1874 Comment
  CAS-BOT-BC97192  Artemisia spinescens Ernest C. Twisselmann 1958-4-17 4302 Kern U.S. 466, 10.3 miles west of Boron 792 Comment
  CAS-BOT-BC99685  Baccharis salicifolia Ernest C. Twisselmann 1964-10-20 10298 Kern Mesquite Spring, El Paso Mountains 617 Comment
  CAS-BOT-BC99702  Baccharis salicifolia Ernest C. Twisselmann 1964-7-17 9742 Kern Southeast end of Castaic Lake 1059 Comment
  CAS-BOT-BC99716  Baccharis salicifolia Ernest C. Twisselmann 1964-5-6 9325 Kern Alphie Spring (in a fork of Jawbone Canyon) 1082 Comment
  CAS-BOT-BC99732  Baccharis salicifolia Ernest C. Twisselmann 1959-4-1 5010 Kern Kern River, 2.2 miles west of Stockdale Country Club 114 Comment
  CAS-BOT-BC99737  Baccharis salicifolia Ernest C. Twisselmann 1958-9-3 4754 Kern Kern River: 2.2 miles west of Stockdale Country Club 114 Comment
  JEPS18650  Solidago velutina subsp. californica Ernest C. Twisselmann 1954-7-31 1481 Kern 3 mi nw Carneros Rocks (Santos Canyon, Temblor Range, Western San Joaquin Valley); Western San Joaquin Valley, Temblor Range, Santos Canyon 457 Comment
  JEPS20833  Chaenactis stevioides Ernest C. Twisselmann 1958-4-17 4333 Kern n slope of Soledad Mountain; Mojave Desert, Mojave-Randsburg Region, Soledad Mountain 1005 Comment
  JEPS21789  Cordylanthus rigidus subsp. rigidus Ernest C. Twisselmann 1957-8-13 3995 Kern ridge between Brite Valley and Cummings Valley; Tehachapi-Kernville Region, Tehachapi Mountains 1310 Comment
  JEPS22268  Ericameria nauseosa var. speciosa Ernest C. Twisselmann 1958-8-19 4707 Kern summit of Breckenridge Mountain Tehachapi-Kernville Region, Breckenridge Mountain 2299 Comment
  JEPS22285  Iva axillaris subsp. robustior Ernest C. Twisselmann 1958-11-1 4916 Kern in disturbed places Cameron Canyon; Tehachapi-Kernville Region, Tehachapi Mountains 1310 Comment
  JEPS22288  Agnorhiza ovata Ernest C. Twisselmann 1958-8-19 4694 Kern Squirrel Meadow Tehachapi-Kernville Region, Breckenridge Mountain 2072 Comment
  JEPS22290  Gutierrezia microcephala Ernest C. Twisselmann 1958-11-1 4928 Kern plain above Koehn Lake; Mohave-Randsburg Region, Red Rock Canyon 662 Comment
  JEPS24069  Galium bolanderi Ernest C. Twisselmann 1956-7-17 3044 Kern near summit Tehachapi-Kernville Region, Piute Peak (around massive granite outcrop) 2560 Comment
  JEPS24081  Penstemon laetus var. laetus Ernest C. Twisselmann 1959-6-18 5358 Kern Erskine Creek Tehachapi-Kernville Region, Piute Mountains 1112 Comment
  JEPS24086  Mimulus palmeri Ernest C. Twisselmann 1959-6-18 5401 Kern Breckenridge Public Camp Tehachapi-Kernville Region, Breckenridge Mountain, Mill Cree 2042 Comment
Read comments
Aug 7 2013
  JEPS24089  Penstemon laetus var. laetus Ernest C. Twisselmann 1959-5-2 5142 Kern Breckenridge Mt: Daugherty Creek road, 9.3 mi s Kern River Highway; Tehachapi-Kernville Region 883 Comment
  JEPS26272  Nemacladus sigmoideus Ernest C. Twisselmann 1957-5-10 3536 Kern e fork Red Rock Canyon; Mojave Desert, Mojave-Randsberg Region 723 Comment
  JEPS26364  Encelia actoni Ernest C. Twisselmann 1959-5-2 5182 Kern Breckenridge Mountain Road just e of Parker Spring; Tehachapi-Kernville Region 685 Comment
  JEPS26381  Stephanomeria exigua subsp. coronaria Ernest C. Twisselmann 1959-8-7 5579 Kern Poso Creek at Whistler Road, McFarland district Eastern San Joaquin Valley, Poso Creek 100 Comment
  JEPS27223  Cordylanthus rigidus subsp. rigidus Ernest C. Twisselmann 1961-7-27 6424 Kern 0.3 mi n Tiger Flat (Greenhorn Summit Road); Sierra Nevada, Greenhorn Range 1981 Comment
  JEPS27228  Acamptopappus sphaerocephalus var. hirtellus Ernest C. Twisselmann 1961-10-30 6660 Kern on arid slope, creosote bush association Pine Tree Canyon; Southern Sierra Nevada, Tehachapi-Kernville Region 845 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
  JEPS27691  Helenium bigelovii Ernest C. Twisselmann 1961-7-27 6395 Kern on the e slope Sunday Peak (Cienega); Sierra Nevada, Greenhorn Range, , Cienega 2209 Comment
  JEPS27699  Castilleja attenuata Ernest C. Twisselmann 1961-5-4 6110 Kern 2.5 mi e Granite Station (Glennville Road); Sierra Nevada 624 Comment
  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
  JEPS28884  Castilleja subinclusa subsp. subinclusa Ernest C. Twisselmann 1962-5-8 7165 Kern 2.5 mi se Keene (Old Tehachapi Road); Tehachapi Mountains 1005 Comment
  JEPS28938  Castilleja plagiotoma Ernest C. Twisselmann 1962-7-19 7451 Kern Lander's Meadow; Tehachapi-Kernville Region, Piute Mountains 1973 Comment
  JEPS28941  Galium bolanderi Ernest C. Twisselmann 1962-6-21 7394 Kern Tunis Ridge Tehachapi Mountains, Tejon Ranch 1432 Comment
  JEPS28946  Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1962-7-19 7474 Kern Lander's Meadow; Piute Mountains 1973 Comment
  JEPS31106  Centaurea solstitialis Ernest C. Twisselmann 1961-10-31 6692 Kern 4.5 mi sw of Rosamund Antelope Valley; Mojave Desert, The Mojave-Randsburg Region 662 Comment
  JEPS31131  Lagophylla ramosissima Ernest C. Twisselmann 1962-9-20 7899 Kern summit of Eugene Grade at Battlesnake Grade; The Greenhorn Range 1524 Comment
  JEPS31148  Solidago velutina subsp. californica Ernest C. Twisselmann 1962-11-14 7987 Kern 0.6 mi e Old River (Taft Highway, San Joaquin Valley, Kern County e side); San Joaquin Valley 105 Comment
  JEPS31158  Mimulus pilosus Ernest C. Twisselmann 1962-7-19 7493 Kern Geringer Grade road 4.9 mi s French Meadow; Tehachapi-Kernville Region, Piute Mountains 2065 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
  JEPS31165  Micropus californicus var. californicus Ernest C. Twisselmann 1962-4-19 6985 Kern 4.1 mi n of Woody Road; Blue Mountain Road, Sierra Nevada, the Greenhorn Range 502 Comment
  JEPS31172  Logfia filaginoides Ernest C. Twisselmann 1962-4-11 6915 Kern about 12 s Weldon; Tehachapi-Kernville Region, Kelso Canyon 944 Comment
  JEPS31177  Nicolletia occidentalis Ernest C. Twisselmann 1962-5-8 7120 Kern head Short Canyon; Mojave Desert, Mojave-Randsburg Region, southern Sierra Neva 1036 Comment
  JEPS31183  Galium matthewsii Ernest C. Twisselmann 1962-5-8 7124 Kern head of canyon Sierra Nevada, Short Canyon (at base of a massive metamorphic outcrop) 1036 Comment
  JEPS31208  Chaenactis stevioides Ernest C. Twisselmann 1962-4-10 6817 Kern 7 mi e of Mojave (Nine Mile Hill (U.S. 466)); Mojave Desert, Mojave-Randsburg Region, Nine Mile Hill 762 Comment
  JEPS31212  Chaenactis stevioides Ernest C. Twisselmann 1962-4-10 6782 Kern s slope of Government Peak; Mojave Desert, Mojave-Randsburg Region, Rand Mountains, Gove 1158 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
  JEPS31241  Eastwoodia elegans Ernest C. Twisselmann 1962-5-25 7225 Kern w of Maricopa, foot of Grocer Grade 502 Comment
  JEPS31256  Hieracium albiflorum Ernest C. Twisselmann 1962-8-27 7718 Kern w slope of Basket Peak; Sierra Nevada, Greenhorn Range, Basket Peak 1676 Comment
  JEPS32594  Galium angustifolium subsp. angustifolium Ernest C. Twisselmann 1963-6-11 8402 Kern just above Richbar; Tehachapi-Kernville Region, Kern Canyon 441 Comment
  JEPS32617  Pedicularis densiflora Ernest C. Twisselmann 1963-5-17 8238 Kern above Poso Creek Narrows; Greenhorn Mountain Range, Sierra Nevada 929 Comment
  JEPS32621  Collinsia childii Ernest C. Twisselmann 1963-6-3 8326 Kern Black Bob Canyon San Emigdio Range and Mt. Pinos Region (at mouth of Bradley Canyon) 1356 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
  JEPS32629  Veronica peregrina subsp. xalapensis Ernest C. Twisselmann 1963-4-12 8026 Kern Buena Vista Lake, Coles Levee at Pieri Road, East side Kern County Buena Vista Lake; San Joaquin Valley, Buena Vista Lake 91 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
  JEPS32641  Penstemon newberryi var. newberryi Ernest C. Twisselmann 1963-7-10 8652 Kern SW of Pine Flat; Ssierra Nevada, rim of Kern Plateau 2255 Comment
  JEPS32646  Baccharis salicifolia subsp. salicifolia Ernest C. Twisselmann 1963-4-18 8072 Kern Mt. Pinos Region, San Emigdio Canyon 518 Comment
  JEPS32651  Eastwoodia elegans Ernest C. Twisselmann 1963-6-3 8352 Kern San Emigdio Range, Salt Creek Canyon 777 Comment
  JEPS32656  Eriophyllum confertiflorum var. confertiflorum Ernest C. Twisselmann 1963-6-11 8468 Kern 2.9 mi w of Wofford; The Sierra Nevada, Greenhorn Pass Road 1089 Comment
  JEPS32748  Chaenactis santolinoides Ernest C. Twisselmann 1963-7-10 8682 Kern sw of Pine Flat (Rim of the Kern Plateau); Sierra Nevada, Kern Plateau 2240 Comment
  JEPS32758  Mimulus constrictus Ernest C. Twisselmann 1963-6-27 8563 Kern 2 mi s Glennville (Farnsworth Ranch); Sierra Nevada, Greenhorn Range 883 Comment
  JEPS32763  Mimulus constrictus Ernest C. Twisselmann 1963-6-27 8554 Kern n slope Basket Peak; Sierra Nevada, Greenhorn Range 1478 Comment
  JEPS32772  Collinsia childii Ernest C. Twisselmann 1963-7-11 8761 Kern above White Owl Mine; Greenhorn Range, Greenhorn Summit ridge 1950 Comment
  JEPS32881  Galium hallii Ernest C. Twisselmann 1963-7-10 8670 Kern rim of Plateau sw Pine Flat; Sierra Nevada, Kern Plateau 2255 Comment
  JEPS33414  Malacothrix saxatilis var. commutata Ernest C. Twisselmann 1963-8-30 8895 Kern 3.4 mi above Bodfish Gap (north end of mountain); Tehachapi-Kernville Region, Piute Mountain 1524 Comment
  JEPS33430  Madia gracilis Ernest C. Twisselmann 1963-7-10 8700 Kern Fork of Cannell Creek Sierra Nevada, Kern Plateau, Pine Flat 2164 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
  JEPS33462  Castilleja linariifolia Ernest C. Twisselmann 1963-9-18 9034 Kern just above Kernville; Sierra Nevada, Kern River 838 Comment
  JEPS33482  Hazardia whitneyi var. whitneyi Ernest C. Twisselmann 1963-8-30 8899 Kern 7.7 mi above Bodfish Gap (n end of Piute Mountain); Tehachapi Mountains, Piute Mountain 1943 Comment
  JEPS33487  Hazardia stenolepis Ernest C. Twisselmann 1963-12-18 9214 Kern Cedar Canyon Peak Temblor Range, Western San Joaquin Valley, Cedar Canyon Peak 975 Comment
  JEPS33494  Mimulus montioides Ernest C. Twisselmann 1963-7-10 8674 Kern Pine Flat Sierra Nevada, Kern Plateau, Fork of Cannell Creek 2164 Comment
  JEPS35998  Baccharis salicifolia subsp. salicifolia Ernest C. Twisselmann 1964-10-20 10298 Kern Mesquite Spring Mojave Desert, Mojave-Randsburg Region, El Paso Mountains 617 Comment
  JEPS36005  Baccharis salicifolia subsp. salicifolia Ernest C. Twisselmann 1964-8-22 10163 Kern Monolith Tehachapi Mountains 1200 Comment
  JEPS36024  Gnaphalium palustre Ernest C. Twisselmann 1964-9-29 10250 Kern Kern National Wildlife Refuge San Joaquin Valley, Kern National Wildlife Refuge (borders of artifical fresh water marshes) 76 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
  JEPS36054  Keckiella rothrockii Ernest C. Twisselmann 1964-7-24 9859 Kern above Pine Flat (trail to Little Cannell Meadow); Sierra Nevada, Kern Plateau 2240 Comment
  JEPS36070  Anthemis cotula Ernest C. Twisselmann 1964-7-25 9938 Kern Henry Bowen Ranch The Greenhorn Range, Lynns Valley 975 Comment
  JEPS36081  Agoseris grandiflora var. grandiflora Ernest C. Twisselmann 1964-6-21 9682 Kern Bear Valley Tehachapi Mountains, Bear Valley 1280 Comment
  JEPS36100  Sonchus asper Ernest C. Twisselmann 1964-5-26 9534 Kern Caliente Canyon Tehachapi-Kernville Region, Caliente Canyon 822 Comment
  JEPS36182  Hazardia whitneyi var. whitneyi Ernest C. Twisselmann 1964-9-16 10178 Kern 7.7 mi above Bodfish Saddle (n end of Piute Mountain); Tehachapi-Kernville Region, Piute Mountain 1943 Comment
  JEPS37884  Symphyotrichum frondosum Ernest C. Twisselmann 1964-8-22 10162 Kern Monolith Tehachapi Mountains 1200 Comment
  JEPS37892  Mimulus montioides Ernest C. Twisselmann 1964-7-24 9861 A Kern above Pine Flat (trail to Little Cannell Meadow); Sierra Nevada, Kern Plateau 2240 Comment
  JEPS41283  Mimulus montioides Ernest C. Twisselmann 1965-7-28 11334 Kern Pine Flat Sierra Nevada, Kern Plateau 2225 Comment
  JEPS41285  Castilleja angustifolia Ernest C. Twisselmann 1965-5-6 10734 Kern Mesquite Canyon Mojave Desert, Mojave-Randsburg Region, El Paso Range 1051 Comment
  JEPS41346  Galium hallii Ernest C. Twisselmann 1965-7-6 11125 Kern n slope Tehachapi Mountains, Tehachapi Peak 1981 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
  JEPS41351  Galium angustifolium subsp. onycense Ernest C. Twisselmann 1965-6-3 10911 Kern head of Spanish Needle Creek Sierra Nevada 1417 Comment
  JEPS51956  Anthemis cotula Ernest C. Twisselmann 1965-8-20 11547 Kern French Ranch, on Rattlesnake Grade The Greenhorn Range 1371 Comment
  JEPS51964  Hazardia stenolepis Ernest C. Twisselmann 1965-10-5 11680 Kern Don's Canyon, a fork of upper Cedar Canyon Temblor Range, Western San Joaquin, Upper Cedar Canyon, Don' 548 Comment
  JEPS51966  Brickellia californica Ernest C. Twisselmann 1965-10-1 11648 Kern Cedar Creek, 0.5 mi below the mouth of Lumreau Creek, The Greenhorn Range. 762 Comment
  JEPS51992  Lasthenia minor Ernest C. Twisselmann 1965-3-17 10461 Kern Kern National Wildlife Refuge San Joaquin Valley, Kern National Wildlife Refuge 68 Comment
  JEPS52013  Mimulus moniliformis Ernest C. Twisselmann 1965-7-27 11203 Kern Breckenridge Mountain Road Tehachapi-Kernville Region, Mill Creek 2072 Comment
  JEPS52015  Agnorhiza invenusta Ernest C. Twisselmann 1965-7-27 11215 Kern Summit of Breckenridge Mountain Tehachapi-Kernville Region 2293 Comment
  JEPS52050  Pedicularis semibarbata Ernest C. Twisselmann 1965-7-27 11254 Kern 0.5 mi e of Breckenridge Public Camp (ne slope of Breckenridge Mountain); Tehachapi-Kernville Region, Breckenridge Mountain 2065 Comment
  JEPS52074  Eriophyllum confertiflorum var. confertiflorum Ernest C. Twisselmann 1965-6-3 10915 Kern Head of Spanish Needle Creek Sierra Nevada, Head of Spanish Needle Creek 1417 Comment
  JEPS52098  Mimulus pictus Ernest C. Twisselmann 1965-4-21 10551 Kern Tejon Canyon Tehachapi Mountains 838 Comment
  JEPS52110  Ericameria linearifolia Ernest C. Twisselmann 1966-5-20 12299 Kern w slope Kain Peak; Tehachapi-Kernville region 1737 Comment
  JEPS52145  Eriophyllum ambiguum var. paleaceum Ernest C. Twisselmann 1966-4-12 11860 Kern w side of the mouth of Last Chance Canyon (Mojave-Randsburg region); Mojave Desert, El Paso Range, Last Chance Canyon 728 Comment
  JEPS52168  Stephanomeria pauciflora Ernest C. Twisselmann 1966-9-8 12786 Kern just e Lake of the Woods (at Cuddy Canyon); San Emigdio Range, Mt. Pinos Region, Cuddy Valley 1578 Comment
  JEPS52188  Senecio Ernest C. Twisselmann 1966-9-8 12766 Kern e fork of upper Sna Emigdio Canyon Mt. Pinos Region, San Emigdio Range, San Emigdio Canyon 1668 Comment
  JEPS52190  Malacothrix saxatilis var. commutata Ernest C. Twisselmann 1966-9-8 12756 Kern Mt. Abel Road 2.1 mi nw Valle Vista Public Camp; San Emigdio Range and Mt. Pinos Region 1371 Comment
  JEPS52203  Chaenactis carphoclinia var. carphoclinia Ernest C. Twisselmann 1966-4-26 12023 Kern nw flank of Government Peak Rand Mountains 1280 Comment
  JEPS52205  Cirsium occidentale var. californicum Ernest C. Twisselmann 1966-5-20 12317 Kern e of Keene; The Tehachapi-Kernville Region, Tweedy Canyon 1493 Comment
  JEPS52208  Galium bolanderi Ernest C. Twisselmann 1966-5-10 12134 Kern 3.8 mi e Havilah; Tehachapi-Kernville Region, Piute Mountains, Haight Canyon 1432 Comment
  JEPS52217  Scrophularia californica subsp. floribunda Ernest C. Twisselmann 1966-5-12 12208 Kern Kern Hot Springs; Sierra Nevada 807 Comment
  JEPS52224  Galium hallii Ernest C. Twisselmann 1966-6-9 12353 Kern Champagne Spring Tehachapi Mountains, Cache Peak (nw flank of peak, base of tall cliff) 1737 Comment
  JEPS52229  Castilleja subinclusa subsp. subinclusa Ernest C. Twisselmann 1966-5-10 12145 Kern 0.8 mi e Havilah (Haight Canyon); Tehachapi-Kernville Region, Piute Mountains, Haight Canyon 975 Comment
  JEPS52233  Gnaphalium palustre Ernest C. Twisselmann 1966-6-9 12365 Kern Champagne Spring on the nw shoulder of Cache Peak (in a sunny opening in a dense colony of canyon live oaks); Tehachapi - Kernville Region, , Champagne Spring 1737 Comment
  JEPS52270  Ericameria parryi var. vulcanica Ernest C. Twisselmann 1966-10-28 12896 Kern Sierra Nevada, The Kern Plateau, Pine Flat 2164 Comment
  JEPS52281  Triphysaria micrantha Ernest C. Twisselmann 1966-4-6 11781 Kern Delano Road 4 mi w Woody; Sierra Nevada, Greenhorn Range 464 Comment
  JEPS57874  Eriophyllum confertiflorum var. confertiflorum Ernest C. Twisselmann and Eben McMillan 1968-7-16 14587 Kern ridge between Little Cannell Meadow and Fay Creek; Kern Plateau 2316 Comment
  JEPS57913  Eastwoodia elegans Ernest C. Twisselmann 1968-5-8 14110 Kern 1 mi w Carneros Rocks; Joe Mesa Ridge 487 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
  JEPS60767  Symphyotrichum subulatum Ernest C. Twisselmann 1969-10-16 16296 Kern 1.8 mi s, Adobe Road Bear Mountain Boulevard; San Joaquin Valley 91 Comment
  JEPS60778  Lepidospartum squamatum Ernest C. Twisselmann 1969-10-16 16310 Kern Ricardo Mojave Desert, Red Rock Canyon, Ricardo 777 Comment
  JEPS64632  Ericameria nauseosa var. oreophila Ernest C. Twisselmann 1970-9-8 17471 Kern n end of Rosamond Dry Lake Mojave Desert, Mojave-Randsburg Region, Rosamond Dry Lake 731 Comment
  JEPS65210  Veronica persica Ernest C. Twisselmann 1970-5-10 16599 Kern Ernest Still ranchgrounds, Annette, Western San Joaqin Valley Annette; Temblor Range, Western San Joaqin Valley, Annette 670 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
  JEPS68328  Eriophyllum confertiflorum var. confertiflorum Ernest C. Twisselmann 1971-4-26 17604 Kern highway just above KR3 powerhouse; Kern Canyon 822 Comment
  LA29373  Delphinium gypsophilum Ernest C. Twisselmann; 1958-3-26 4204 Kern Mon Creek, 2.9 mi. S of Poso Creek 304 Comment
  LA83804  Eryngium spinosepalum Ernest C. Twisselmann; 1961-5-4 6053 Kern Famosa Road, 4.5 mi. W of Woody 289 Comment
  NY323574  Eriogonum temblorense E. C. Twisselmann 1954-10-14 1619 Kern Chico Martinez Canyon, Temblor Mountains; 426.7 Comment
  NY604107  Penstemon incertus E. C. Twisselmann 1962-5-8 7141 Kern Northeast flank of Morris Peak 1204.0 Comment
  NY759879  Solanum nigrum E. C. Twisselmann 1965-10-1 11634 Kern Lumreau Creek, ca. 0.5 mile above Cedar Creek 823 Comment
  RSA114304  Ericameria cuneata var. spathulata E. C. Twisselmann 1954-10-14 1621 Kern Messa Ridge, 4 miles W of Carneros Rocks 915 Comment
  RSA116515  Eriogonum gracillimum E. C. Twisselmann 1954-5-20 s.n. Kern Buena Vista Slough, 7 mi. SE of Lost Hills. 75 Comment
  RSA116550  Wislizenia refracta subsp. californica E. C. Twisselmann 1954-9-26 1583 Kern Goose Lake Alkaline Sink, 6.8 miles north of Buttonwillow. 61 Comment
  RSA118208  Gilia brecciarum subsp. argusana E. C. Twisselmann 1957-5-10 3507 Kern Dove Spring Canyon, 2.1 miles west of Red Rock Canyon. 907 Comment
  RSA148714  Allophyllum gilioides E. C. Twisselmann 1961-5-4 6103 Kern The Greenhorn Range: Poso flat. 716 Comment
  RSA161662  Gilia brecciarum subsp. neglecta E. C. Twisselmann 1962-4-11 6907 Kern South end of Kelso Valley. 1128 Comment
  RSA162499  Woodwardia fimbriata E. C. Twisselmann 1963-5-17 8266 Kern Sierra Nevada, Greenhorn Range, Poso Creek canyon, 2.25 miles above Poso Mine 838 Comment
  RSA162515  Erysimum capitatum E. C. Twisselmann 1963-4-18 8089 Kern Pleito Hills 564 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
  RSA162537  Bromus catharticus E. C. Twisselmann 1963-5-10 8146 Kern Farmlands 2 miles south of Cantil; 640 Comment
  RSA162540  Calocedrus decurrens E. C. Twisselmann 1963-6-3 8322 Kern San Emigdio Range and the Mt. Pinos Region. Black Bob Canyon, just above the Bradley Canyon fork. 1341 Comment
  RSA162560  Limnanthes montana E. C. Twisselmann 1963-5-17 8247 Kern High slope 1 mile east of Poso Creek Narrows. 762 Comment
  RSA163864  Pentachaeta fragilis E. C. Twisselmann 1962-6-22 7327 Kern West end of Weldon Meadow, Piute Mountains 2096 Comment
  RSA164020  Pinus contorta var. murrayana E. C. Twisselmann 1963-7-10 8715 Kern Pine Flat. 2165 Comment
  RSA164080  Garrya flavescens subsp. flavescens E. C. Twisselmann 1963-8-8 8860 Kern Ridge southwest of Cottonwood Creek (Mojave drainage) 1463 Comment
  RSA164095  Chamaebatia foliolosa E. C. Twisselmann 1963-7-11 8764 Kern Glennville-Greenhorn Highway, 0.5 mile east of the National Forest Boundry 1402 Comment
  RSA164104  Lupinus elatus E. C. Twisselmann 1963-8-30 8939 Kern Piute Mountain: Walker Basin Road, 0.5 miles below Horn Brothers Sawmill 2378 Comment
  RSA164110  Salsola tragus E. C. Twisselmann 1963-6-13 8478 Kern Antelope Plains, 1 mile south of New Well camp. 320 Comment
  RSA164143  Cordylanthus rigidus subsp. brevibracteatus E. C. Twisselmann 1963-9-18 9032 Kern Head of Fay Canyon. 1250 Comment
  RSA164168  Salix laevigata E. C. Twisselmann 1963-7-11 8750 Kern Cannell Creek, 1.5 mile east of River Kern. 1037 Comment
  RSA169151  Camissonia hirtella E. C. Twisselmann 1964-5-15 9426 Kern The Greenhorn Range. West side of the summit of Blue Mountain. 1501 Comment
  RSA169156  Galium angustifolium subsp. angustifolium E. C. Twisselmann 1964-5-26 9532 Kern Caliente Canyon. 823 Comment
  RSA169164  Mimulus pictus E. C. Twisselmann 1964-5-15 9491 Kern south side of Grizzly Gulch on the White River-Rag Gulch road. 488 Comment
  RSA169184  Astragalus hornii E. C. Twisselmann 1964-7-17 9709 Kern Panama Road, 1.8 mile West of Buena Vista School. 99 Comment
  RSA169189  Linaria dalmatica E. C. Twisselmann 1964-6-10 9614 Kern West town limits of Frazier Park. Growing in granitic soil among pinyons. Well established, but only slowly spreading about Frazier Park. 1585 Comment
  RSA169197  Lasthenia debilis E. C. Twisselmann 1964-4-25 9241 Kern The Sheep Camp, ca. 4.5 mi E of Woody 1021 Comment
  RSA169201  Coleogyne ramosissima E. C. Twisselmann 1964-5-6 9313 Kern Tehachapi-Kernville Region, Alphie Spring fork of Jawbone Canyon. 1098 Comment
  RSA172683  Ammannia coccinea E. C. Twisselmann 1964-9-29 10244 Kern Kern National Wildlife Refuge. 76 Comment
  RSA172685  Mentha canadensis E. C. Twisselmann 1964-7-25 9944 Kern Lynns Valley [Linns Valley, Greenhorn Mountains] at the Henry Bowen Ranch. 976 Comment
  RSA172729  Gayophytum heterozygum E. C. Twisselmann 1964-7-24 9885 Kern Pine Flat. 2165 Comment
  RSA172784  Grindelia robusta E. C. Twisselmann 1964-8-22 10167 Kern Monolith 1203 Comment
  RSA172792  Schoenoplectus maritimus Ernest C. Twisselmann 1964-7-17 9739 Kern South side of Castaic Lake. 1052 Comment
  RSA172797  Cyperus esculentus Ernest C. Twisselmann 1964-7-17 9712 Kern Fairfax Road, 3 miles northwest of Lamont. 99 Comment
  RSA172804  Scutellaria bolanderi subsp. bolanderi E. C. Twisselmann 1964-7-25 9961 Kern Lynns Valley [Linns Valley, Greenhorn Mountains] at the Henry Bowen Ranch. 976 Comment
  RSA172810  Eriogonum umbellatum var. subaridum E. C. Twisselmann 1964-9-16 10176 Kern North end of Piute Mountain: 7.7 miles above Bodfish Gap. 1944 Comment
  RSA172823  Juncus xiphioides Ernest C. Twisselmann 1964-7-17 9766 Kern Tehachapi Mountains, below Fort Tejon. 945 Comment
  RSA172825  Trifolium variegatum E. C. Twisselmann 1964-7-24 9870 Kern Trail to Little Cannell meadow above Pine flat. 2195 Comment
  RSA179922  Pentachaeta fragilis E. C. Twisselmann 1965-6-4 10969 Kern Woodard Spring fire road just south of Woodard Spring 1540 Comment
  RSA179942  Salix lucida subsp. lasiandra E. C. Twisselmann 1965-6-3 10900 Kern First fork of Spanish Needle Creek. 1250 Comment
  RSA179978  Cleomella obtusifolia E. C. Twisselmann 1965-5-5 10778 Kern Between Buckhorn and Rogers Lake, Edwards AFB 732 Comment
  RSA179991  Hordeum depressum E. C. Twisselmann 1965-3-17 10459 Kern Kern National Wildlife Refuge; Goose Lake Canal near the S boundary of Refuge. 69 Comment
  RSA179999  Tiquilia plicata E. C. Twisselmann 1965-5-18 10842 Kern Northeast end of Buckhorn Lake, Edwards Air Force Base. 746 Comment
  RSA180006  Lycium cooperi E. C. Twisselmann 1965-5-18 10850 Kern Northeast end of Buckhorn Lake, Edwards Air Force Base. 747 Comment
  RSA180009  Collinsia bartsiifolia var. davidsonii E. C. Twisselmann 1965-5-5 10680 Kern Northeast end of Buckhorn Lake, Edwards AFB 755 Comment
  RSA180028  Limnanthes montana E. C. Twisselmann 1965-6-4 10960 Kern Wagy Creek at the Wagy Flat Road. 1235 Comment
  RSA180031  Perideridia pringlei E. C. Twisselmann 1965-6-3 10952 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
  RSA180609  Gilia latiflora subsp. davyi E. C. Twisselmann 1963-5-10 8164 Kern Boron Hills; California City road 0.5 mile north of Hwy 466 732 Comment
  RSA180636  Allophyllum violaceum E. C. Twisselmann 1963-6-27 8518 Kern Greenhorn Range: northeast flank of Hatchet Peak. 1860 Comment
  RSA180639  Allophyllum violaceum E. C. Twisselmann 1963-7-10 8739 Kern Pine Flat. 2165 Comment
  RSA180890  Solanum umbelliferum E. C. Twisselmann 1965-6-23 11077 Kern Lebec: slope just south of the old hotel. 1296 Comment
  RSA180910  Lupinus adsurgens E. C. Twisselmann 1965-7-28 11320 Kern Fork of Cannell Creek southeast of Pine Flat. 2287 Comment
  RSA180939  Trichostema oblongum E. C. Twisselmann 1965-10-1 11627 Kern Green Horn Mountains. Lumreau Creek, ca. 0.5 miles above Cedar Creek. 823 Comment
  RSA180943  Polygonum aviculare subsp. rurivagum E. C. Twisselmann 1965-7-27 11182 Kern Brekenridge Mountain Road at the south fork of Upper Lucas Creek. 1875 Comment
  RSA180945  Collinsia callosa E. C. Twisselmann 1965-7-6 11115 Kern North slope of Tehachapi Peak, Jeffrey pine forest. 2134 Comment
  RSA180988  Eriogonum wrightii var. subscaposum E. C. Twisselmann 1958-10-1 4822 Kern Freeman Canyon, 3.8 miles east of Walker Pass. 1402 Comment
  RSA181012  Schoenoplectus saximontanus Ernest C. Twisselmann 1965-9-19 11575 Kern Kern National Wildlife Refuge: northeast of Well 8 in Section 28. 66 Comment
  RSA181017  Symphoricarpos albus var. laevigatus E. C. Twisselmann 1965-10-1 11619 Kern Lumreau Creek at the falls; Greenhorn Range; Sierra Nevada. 854 Comment
  RSA181033  Plagiobothrys torreyi var. perplexans E. C. Twisselmann 1965-7-27 11240 Kern Meadow at Breckenridge Public Camp 2066 Comment
  RSA181041  Eriogonum inerme var. hispidulum E. C. Twisselmann 1965-7-27 11176 Kern Breckenridge Mountain Rd., 2.1 miles west of Munzer Meadow. 1814 Comment
  RSA181046  Agastache urticifolia E. C. Twisselmann 1965-7-27 11178 Kern Tehachapi-Kernville Region, Breckenridge Mountain Road, at south fork of Upper Lucus Creek. 1875 Comment
  RSA181587  Hazardia stenolepis E. C. Twisselmann 1965-10-5 11680 Kern Don's Canyon, a fork of upper Cedar Canyon. Plants of the Temblor Range and Western San Joaquin Valley. 549 Comment
  RSA186876  Corethrogyne filaginifolia E. C. Twisselmann 1966-9-8 12790 Kern Castaic Valley, 1.5 miles SE of Fort Tejon. 1037 Comment
  RSA186879  Heterotheca sessiliflora subsp. echioides E. C. Twisselmann 1966-9-8 12778 Kern Cuddy Valley 1791 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
  RSA186902  Gilia brecciarum subsp. neglecta E. C. Twisselmann 1966-3-29 11765 Kern Red Rock Canyon. 762 Comment
  RSA186907  Gilia brecciarum subsp. argusana E. C. Twisselmann 1966-5-10 12158 Kern High slope west of Spanish Needle Creek. 1433 Comment
  RSA186932  Gilia capitata subsp. abrotanifolia E. C. Twisselmann 1966-5-10 12156 Kern High slope west of Spanish Needle Creek. 1433 Comment
  RSA186971  Arctostaphylos parryana E. C. Twisselmann 1966-6-9 12371 Kern North end of Sweetwater Ridge (southeast of Cache Peak). 1585 Comment
  RSA186993  Eremogone ferrisiae E. C. Twisselmann 1966-8-3 12645 Kern Summit ridge of Bald Mountain Comment
  RSA187015  Cleome isomeris E. C. Twisselmann 1966-3-29 11759 Kern Northeast end of Sand Ridge (near Edison). 290 Comment
  RSA187040  Berberis dictyota E. C. Twisselmann 1966-5-20 12309 Kern West end of Tollgate Ridge (mountains east of Keene.) 1738 Comment
  RSA187050  Tauschia parishii E. C. Twisselmann 1966-5-10 12113 Kern Piute Mountains: west end of King Solomon s Ridge. 1524 Comment
  RSA187074  Malacothamnus orbiculatus E. C. Twisselmann 1966-7-13 12572 Kern County Pak Headquarters near Apache Saddle. 1921 Comment
  RSA187080  Erodium macrophyllum E. C. Twisselmann 1966-4-20 11974 Kern Tremblor Summit, 1 mile east of the Mariannas Ranch. 1037 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
  RSA187125  Caulanthus inflatus E. C. Twisselmann 1966-4-26 12008 Kern S base of Galileo Hill 976 Comment
  RSA187134  Nemophila pulchella E. C. Twisselmann 1966-4-6 11794 Kern South side of Cedar Creek Gorge. 869 Comment
  RSA187143  Lotus procumbens E. C. Twisselmann 1966-5-10 12138 Kern Piute Mountains: Haight Canyon, 1.3 mi;es east of Havilah. 1037 Comment
  RSA187145  Eschscholzia caespitosa E. C. Twisselmann 1966-5-10 12144 Kern Piute Mountains: Haight Canyon, 0.8 mile east of Havilah. 976 Comment
  RSA187153  Lotus argophyllus subsp. decorus E. C. Twisselmann 1966-5-10 12154 Kern High slope west of Spanish Needle Creek. 1433 Comment
  RSA187155  Medicago polymorpha var. brevispina E. C. Twisselmann 1966-5-12 12210 Kern Kern Hot Springs. 808 Comment
  RSA202497  Poa bulbosa E. C. Twisselmann, Eben McMillan, C. F. Smith 1968-5-9 14107 Kern Granite Station Road, just west of Paso Creek; Sierra Nevada; The Greenhorn Range 1006 Comment
  RSA202555  Clarkia tembloriensis subsp. tembloriensis E. C. Twisselmann 1968-5-8 14109 Kern Temblor Range; Joe Mesa Ridge, 1 mile west of Carneros Rocks. 488 Comment
  RSA209527  Clarkia heterandra E. C. Twisselmann 1961-5-23 6169 Kern Tejon Ranch: El Paso Canyon, about 0.5 mile below the Meadows Place. 1067 Comment
  RSA212597  Stillingia paucidentata E. C. Twisselmann 1969-5-21 15368 Kern North of Tarweed Creek 762 Comment
  RSA212600  Lasthenia californica E. C. Twisselmann 1969-5-21 15341 Kern Tarweed Creek. 762 Comment
  RSA215936  Chorizanthe xanti E. C. Twisselmann 1962-4-19 7015 Kern Hill northwest of the mouth of Adobe Canyon, Poso Hills. 206 Comment
  RSA216647  Eriodictyon californicum E. C. Twisselmann 1970-5-7 16597 Kern Hospital Flat, Kern Canyon. 899 Comment
Read comments
Feb 25 2014
  RSA216652  Tauschia parishii E. C. Twisselmann 1970-5-6 16501 Kern north side of mouth of Chimney Creek Canyon 975 Comment
  RSA216657  Camissonia campestris subsp. campestris E. C. Twisselmann 1970-5-6 16484 Kern Red Rock Canyon; head of canyon above Ricardo 823 Comment
  RSA220208  Trianthema portulacastrum E. C. Twisselmann 1969-10-16 16291 Kern DiGiorgio Road, 0.5 mile west of Cottonwood Road. 91 Comment
  RSA220212  Solanum americanum E. C. Twisselmann 1969-11-26 16347 Kern Dry creek below the Goat Ranch (south of South Lake, Lake Isabella). 854 Comment
  RSA220221  Tidestromia oblongifolia E. C. Twisselmann 1969-10-16 16308 Kern Main west fork of the canyon (below Riccardo) 793 Comment
  RSA220301  Cordylanthus eremicus subsp. kernensis E. C. Twisselmann, Zaninovich 1969-8-30 16012 Kern North slope of the summit ridge of Bald Mountain. Comment
  RSA223808  Camissonia contorta E. C. Twisselmann 1964-5-26 9518 Kern Tehachapi-Kernville Region. Walker Basin. 1037 Comment
  RSA223817  Yabea microcarpa E. C. Twisselmann 1966-5-20 12244 Kern Ridge at the head of Tweedy Creek (mountains east of Keene). 1540 Comment
  RSA223824  Cornus stolonifera E. C. Twisselmann 1963-6-3 8323 Kern San Emigdio Range and the Mt. Pinos Region. Black Bob Canyon, just above the Bradley Canyon fork. 1341 Comment
  RSA231903  Camissonia kernensis subsp. kernensis E. C. Twisselmann 1971-4-26 17634 Kern Cyrus Canyon. 1189 Comment
  RSA231908  Fremontodendron californicum E. C. Twisselmann 1971-6-20 17736 Kern Forks of the Kern. Kern Plateau. 1439 Comment
  RSA244753  Viola purpurea subsp. quercetorum E. C. Twisselmann 1961-5-4 6118 Kern Poso Flat road, 1.2 mile east of junction with Granite Staion-Glennville Road 854 Comment
  RSA303481  Eriogonum angulosum E. C. Twisselmann 1971-7-5 17813 Kern Hill west of Antelope Spring. 869 Comment
  RSA303484  Hollisteria lanata E. C. Twisselmann 1971-7-5 17811 Kern Hills at the summit of Devil's Water Canyon 884 Comment
  RSA305883  Holcus lanatus E. C. Twisselmann 1971-6-20 17729 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
  RSA506002  Solidago californica E. C. Twisselmann 1972-9-22 19178 Kern Poso Creek 1 mile west of Glennville 915 Comment
  RSA515769  Clarkia unguiculata E. C. Twisselmann 1958-5-27 4491 Kern The Greenhorn Range; Burke Hill (Poso Flat-Eugene Grade Road). 976 Comment
  RSA515770  Clarkia unguiculata E. C. Twisselmann 1962-6-22 7373 Kern Greenhorn Summit road, 2.9 miles west of Wofford Heights. 1090 Comment
  RSA516795  Epilobium paniculatum E. C. Twisselmann 1972-9-22 19196 Kern Poso Creek 1 miles west of Glennville. 915 Comment
  RSA540092  Sidalcea malviflora subsp. sparsifolia E. C. Twisselmann 1964-5-15 9400 Kern Rankin Flat at the east base of Blue Mountain. 973 Comment
  RSA563226  Phacelia purpusii E. C. Twisselmann 1964-7-23 9787 Kern Saddle between Cane Peak and Black Mountain. 1845 Comment
  RSA563241  Populus fremontii E. C. Twisselmann 1972-9-22 19232 Kern Lake Isabella adjacent to old Kernville site. 816 Comment
  RSA563309  Cryptantha simulans E. C. Twisselmann 1964-7-23 9803 a Kern N slope of Black Mtn. 1890 Comment
  RSA563358  Galium hallii E. C. Twisselmann 1968-7-16 14586 Kern Ridge between Little Cannell Meadow and Fay Creek. 2317 Comment
  RSA584793  Ribes roezlii E. C. Twisselmann 1964-4-25 9264 Kern Howling Gulch, 3 miles SE of Woody 762 Comment
  RSA685271  Lotus crassifolius E. C. Twisselmann 1971-6-20 17724 Kern Forks of the Kern. Kern Plateau. 1439 Comment
  RSA685298  Lotus oblongifolius E. C. Twisselmann 1971-6-20 17735 Kern Forks of the Kern. Kern Plateau. 1439 Comment
  SBBG14474  Krascheninnikovia lanata E. C. Twisselmann 1962-5-7 7067 Kern Code Siding, ca. 9 mi SW of Ridgecrest 853 Comment
  SBBG14476  Lupinus adsurgens var. undulatus E. C. Twisselmann 1962-5-7 7049 Kern W slope of Walker Pass, near the summit 1554 Comment
  SBBG14480  Lupinus odoratus E. C. Twisselmann 1962-5-7 7040 Kern mouth of Kelso Cyn at St Hwy 178 853 Comment
  SBBG14511  Eriogonum trichopes E. C. Twisselmann 1962-5-7 7061 Kern mouth of cyn N of El Paso Pk 899 Comment
  SBBG14516  Mirabilis laevis var. villosa E. C. Twisselmann 1962-5-7 7058 Kern cyn N of El Paso Peak; El Paso Range 899 Comment
  SBBG14519  Chaenactis stevioides E. C. Twisselmann 1962-5-7 7054 Kern cyn N of El Paso Pk, El Paso Range 944 Comment
  SBBG14599  Hazardia whitneyi var. whitneyi E. C. Twisselmann 1962-9-18 7742 Kern ridge above Tiger Flat 2026 Comment
  SBBG14624  Sisymbrium altissimum E. C. Twisselmann 1962-9-20 7900 Kern summit of Eugene Grade at Rattlesnake Grade 1524 Comment
  SBBG14635  Brassica geniculata E. C. Twisselmann 1962-11-14 7974 Kern Kern River at Enos Rd 114 Comment
  SBBG14681  Asclepias fascicularis E. C. Twisselmann 1962-9-20 7890 Kern Cooks (Shirley) Peak 2133 Comment
  SBBG14753  Equisetum laevigatum E. C. Twisselmann 1962-5-8 7131 Kern head of Short Cyn 1066 Comment
  SBBG14938  Descurainia pinnata E. C. Twisselmann 1962-6-1 7235 Kern NW slope of Tehachapi Peak 1889 Comment
  SBBG14941  Geranium californicum E. C. Twisselmann 1962-7-19 7452 Kern Lander's Meadow, Piute Mtns 1973 Comment
  SBBG14949  Cressa truxillensis E. C. Twisselmann 1962-6-20 7414 Kern Weedpatch region: Adobe Rd 1.3 mi S of Bear Mtn Blvd 128 Comment
  SBBG14959  Atriplex serenana var. serenana E. C. Twisselmann 1962-6-20 7415 Kern Weedpatch region: Adobe Rd 1.3 mi S of Bear Mtn Blvd 128 Comment
  SBBG14997  Lomatium nevadense E. C. Twisselmann 1962-6-22 7300 Kern Woolstalf Meadow, Piute Mtns 2270 Comment
  SBBG15028  Amsinckia vernicosa E. C. Twisselmann 1962-4-1 6747 Kern summit of Firebreak Grade 830 Comment
  SBBG15048  Juncus macrophyllus E. C. Twisselmann 1962-9-20 7887 Kern Greenhorn Summit rd, 5.6 mi W of Wofford 1615 Comment
  SBBG15214  Bromus tectorum E. C. Twisselmann 1962-6-22 7323 Kern W end of Weldon Meadow, Piute Mtns 2095 Comment
  SBBG15216  Horkeliella purpurascens E. C. Twisselmann 1962-7-19 7497 Kern Grouse Meadow, Piute Mtns 2186 Comment
  SBBG15219  Calystegia occidentalis subsp. fulcrata E. C. Twisselmann 1962-7-19 7472 Kern Lookout Point, Piute Mtns 2526 Comment
  SBBG15222  Poa pratensis E. C. Twisselmann 1962-6-22 7314 Kern Weldon Meadow, Piute Mtns 2087 Comment
  SBBG15227  Clarkia unguiculata E. C. Twisselmann 1962-6-22 7373 Kern Greenhorn Summit Rd, 2.9 mi W of Wofford Heights 1089 Comment
  SBBG15247  Trichostema austromontanum E. C. Twisselmann 1962-7-19 7475 Kern Lander's Meadow, Piute Mtns 1973 Comment
  SBBG15252  Eremogone macradenia var. macradenia E. C. Twisselmann 1962-7-18 7438 Kern E slope of Greenhorn Mtn, Tillie Crk just below the Nat Forest boundary 1432 Comment
  SBBG15318  Hesperolinon micranthum E. C. Twisselmann 1962-6-22 7370 Kern NW end of Piute Mtn 1402 Comment
  SBBG15332  Caulanthus coulteri E. C. Twisselmann 1962-4-11 6909 Kern Jawbone Cyn 685 Comment
  SBBG15379  Mirabilis laevis var. villosa E. C. Twisselmann 1962-5-8 7134 Kern Box Cyn at the head of Short Cyn 1036 Comment
  SBBG15380  Platystemon californicus E. C. Twisselmann 1962-5-6 7138 Kern Indian Wells Cyn 1280 Comment
  SBBG16078  Acmispon nevadensis var. nevadensis E. C. Twisselmann 1962-8-27 7720 Kern W slope of Basket Peak 1615 Comment
  SBBG16138  Sagina saginoides E. C. Twisselmann 1962-8-27 7721 Kern W slope of Basket Peak 1676 Comment
  SBBG18964  Acmispon procumbens var. jepsonii E. C. Twisselmann 1963-7-10 8671 Kern rim of Kern Pateau SW of Pine Flat 2194 Comment
  SBBG19023  Ericameria palmeri var. pachylepis E. C. Twisselmann 1963-6-3 8346 Kern Salt Crk Cyn, San Emigdio Range 1028 Comment
  SBBG19414  Pogogyne douglasii E. C. Twisselmann 1963-6-11 8474 Kern 1 mi W of Glennville 914 Comment
  SBBG19430  Dichelostemma capitatum subsp. capitatum E. C. Twisselmann 1963-4-18 8063 Kern San Emigdio Cyn 563 Comment
  SBBG19574  Bromus arizonicus E. C. Twisselmann 1963-4-12 8023 Kern Enos Rd 3.5 mi N of Kern River 91 Comment
  SBBG19610  Avena barbata E. C. Twisselmann 1963-6-3 8349 Kern Salt Crk Cyn, San Emigdio Range 914 Comment
  SBBG19631  Calocedrus decurrens E. C. Twisselmann 1963-6-3 8322 Kern Black Bob Cyn, just above the Bradley Cyn fork,, San Emigdio Range 1341 Comment
  SBBG19645  Claytonia parviflora subsp. parviflora E. C. Twisselmann 1963-6-3 8333 Kern Black Bob Cyn just above mouth of Bradley Cyn 1356 Comment
  SBBG19648  Eriodictyon crassifolium var. crassifolium E. C. Twisselmann 1963-6-3 8341 Kern Black Bob Cyn, San Emigdio Range 1188 Comment
  SBBG19658  Lathyrus vestitus var. vestitus E. C. Twisselmann 1963-6-3 8356 Kern Black Bob Cyn, San Emigdio Range 990 Comment
  SBBG19663  Eriophyllum confertiflorum var. confertiflorum E. C. Twisselmann 1963-6-3 8360 Kern cyn just W of Ft Tejon 990 Comment
  SBBG19672  Cryptantha pterocarya var. pterocarya E. C. Twisselmann 1963-5-11 8186 Kern Horse Cyn, Scodie (Kiavah) Mtn 1371 Comment
  SBBG19677  Pterostegia drymarioides E. C. Twisselmann 1963-4-26 8108 Kern Poso Crk just above Poso Mine 624 Comment
  SBBG19683  Dithyrea californica E. C. Twisselmann 1963-5-11 8209 Kern Indian Wells Valley, Copper Basin Rd, 2.1 mi E of Harts Place 975 Comment
  SBBG19685  Chaenactis glabriuscula var. glabriuscula E. C. Twisselmann 1963-4-26 8107 Kern high point N of Poso Crk Gorge 838 Comment
  SBBG19708  Clarkia exilis E. C. Twisselmann 1963-6-11 8406 Kern mouth of Cow Flat Crk, Kern Cyn 518 Comment
  SBBG19712  Astragalus macrodon E. C. Twisselmann 1963-6-4 8378 Kern Ross Ridge 792 Comment
  SBBG19721  Piptatherum miliaceum E. C. Twisselmann 1963-6-3 8368 Kern San Emigdio Ranch headquarters at mouth of San Emigdio Cyn 426 Comment
  SBBG19744  Astragalus oxyphysus E. C. Twisselmann 1963-4-12 8048 Kern summit of White Wolf Grade 579 Comment
  SBBG20671  Allophyllum integrifolium E. C. Twisselmann 1963-9-17 9007 Kern NW of Calf Crk 1889 Comment
  SBBG20799  Melica stricta E. C. Twisselmann 1963-7-10 8684 Kern rim of the Kern Plateau, SW of Pine Flat 2278 Comment
  SBBG20815  Sorghum halepense E. C. Twisselmann 1963-9-18 9013 Kern Weldon Rd, 1 mi S of Kernville 807 Comment
  SBBG20820  Cordylanthus rigidus subsp. rigidus E. C. Twisselmann 1963-9-19 9046 Kern hills at mouth of Water Cyn 1432 Comment
  SBBG20874  Juncus mexicanus E. C. Twisselmann 1964-5-7 9352 Kern Rosamond Lake, Edwards Air Force Base 601 Comment
  SBBG20879  Ribes roezlii E. C. Twisselmann 1964-4-25 9264 Kern Howling Gulch, ca. 3 mi SE of Woody 762 Comment
  SBBG20913  Sidalcea sparsifolia E. C. Twisselmann 1964-5-15 9400 Kern Rankin Flat at the E base of Blue Mtn 972 Comment
  SBBG20915  Astragalus gambelianus E. C. Twisselmann 1964-5-26 9511 Kern Back Cyn, just below the cypress grove 1219 Comment
  SBBG20940  Cornus sericea subsp. sericea E. C. Twisselmann 1963-8-8 8834 Kern cienegas near the head of Tejon Crk 1615 Comment
  SBBG21011  Ephedra viridis E. C. Twisselmann 1963-12-18 9212 Kern Don's Cyn, a fk of upper Cedar Cyn 579 Comment
  SBBG21016  Cyperus eragrostis E. C. Twisselmann 1963-9-6 8954 Kern SE end of Lake Woolloomes, near Delano 114 Comment
  SBBG21019  Bromus carinatus E. C. Twisselmann 1963-9-17 9010 Kern NW of Calf Crk 1821 Comment
  SBBG21022  Cyperus esculentus E. C. Twisselmann 1963-9-6 8968 Kern Poso Crk, 6.5 mi NW of Famosa 91 Comment
  SBBG21047  Clarkia dudleyana E. C. Twisselmann 1963-6-27 8500 Kern E slope of Cedar Crk at mouth of Fulton Crk 1036 Comment
  SBBG21052  Epilobium torreyi E. C. Twisselmann 1963-6-27 8504 Kern Cedar Crk, 0.25 mi below the mouth of Fulton Crk 984 Comment
  SBBG21078  Sisyrinchium halophilum E. C. Twisselmann 1964-6-21 9680 Kern Bear Valley 1280 Comment
  SBBG21091  Calyptridium monandrum E. C. Twisselmann 1964-6-21 9632 Kern E slope of Bear Mtn 1889 Comment
  SBBG21094  Platystemon californicus E. C. Twisselmann 1964-6-21 9698 Kern E end of Bear Valley 1310 Comment
  SBBG21096  Eschscholzia lobbii E. C. Twisselmann 1964-4-25 9249 Kern N slope of Howling Gulch, ca. 3 mi SE of Woody 822 Comment
  SBBG21099  Eschscholzia californica E. C. Twisselmann 1964-6-10 9580 Kern Tecuya Ridge 2026 Comment
  SBBG21108  Descurainia sophia E. C. Twisselmann 1964-5-7 9361 Kern Rosamond Lake, near the north end; Edwards Air Force Base 601 Comment
  SBBG21112  Turritis glabra E. C. Twisselmann 1964-6-10 9573 Kern Tecuya Ridge 2026 Comment
  SBBG21117  Sedella pumila E. C. Twisselmann 1964-4-25 9252 Kern slope on S side of Howling Gulch, ca. 3 mi SE of Woody 807 Comment
  SBBG21121  Lupinus excubitus E. C. Twisselmann 1964-6-10 9566 Kern Tecuya Ridge 1828 Comment
  SBBG21146  Bowlesia incana E. C. Twisselmann 1964-6-21 9667 Kern Water Crk on the S side of Bear Mtn 1569 Comment
  SBBG21149  Arctostaphylos parryana subsp. parryana E. C. Twisselmann 1964-6-10 9557 Kern Tecuya Ridge 1965 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
  SBBG21184  Chaenactis glabriuscula var. glabriuscula E. C. Twisselmann 1964-4-25 9224 Kern Delano Rd, ca. 1.5 mi W of Woody 502 Comment
  SBBG21265  Erodium cicutarium E. C. Twisselmann 1964-5-15 9422 Kern summit of Blue Mtn 1508 Comment
  SBBG21308  Arctostaphylos viscida subsp. mariposa E. C. Twisselmann 1964-5-15 9428 Kern W side of summit of Blue Mtn 1493 Comment
  SBBG21561  Eragrostis mexicana E. C. Twisselmann 1964-7-17 9713 Kern Panama Lane, 4.5 mi E of Lamont 152 Comment
  SBBG21570  Bassia hyssopifolia E. C. Twisselmann 1964-8-20 10070 Kern Isabella alkali flats 762 Comment
  SBBG21586  Atriplex argentea var. expansa E. C. Twisselmann 1964-9-29 10286 Kern pond near Kern Nat Wildlife Refuge 76 Comment
  SBBG21647  Cryptantha simulans E. C. Twisselmann 1964-7-23 9803 Kern N slope of Black Mtn 1889 Comment
  SBBG21652  Eleocharis parishii E. C. Twisselmann 1964-9-16 10201 Kern spring at E end of Landers Meadow, Piute Mtns 1981 Comment
  SBBG21657  Ericameria nauseosa var. mohavensis E. C. Twisselmann 1964-9-16 10207 Kern Piute Mtn Rd, Harris Grade, ca. 5.8 mi E of Landers Meadow 1706 Comment
  SBBG21696  Lupinus lepidus var. confertus E. C. Twisselmann 1964-7-24 9883 Kern Pine Flat 2164 Comment
  SBBG21699  Bolboschoenus maritimus subsp. paludosus E. C. Twisselmann 1964-7-17 9739 Kern S side of Castaic Lake 1051 Comment
  SBBG23440  Eriogonum ordii E. C. Twisselmann 1965-5-27 10864 Kern Round Mtn: Round Mtn Rd, 1.4 mi SE of summit 423 Comment
  SBBG23493  Acmispon wrangelianus E. C. Twisselmann 1965-4-21 10561 Kern mouth of El Paso Cyn 541 Comment
  SBBG23500  Stillingia paucidentata E. C. Twisselmann 1965-5-6 10762 Kern Ridgecrest Rd, E end of Fremont Valley 883 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
  SBBG23573  Cryptantha dumetorum E. C. Twisselmann 1965-5-18 10832 Kern dunes at NE end of Buckhorn Lake, Edwards Air Force Base 746 Comment
  SBBG23587  Cryptantha sparsiflora E. C. Twisselmann 1965-6-4 10994 Kern W slope of Basket Peak 1150 Comment
  SBBG23594  Monardella exilis E. C. Twisselmann 1965-5-5 10687 Kern NE end of Buckhorn Lake; Edwards Air Force Base 754 Comment
  SBBG23638  Eriophyllum ambiguum E. C. Twisselmann 1965-4-14 10516 Kern Breckenridge Mtn 777 Comment
  SBBG23817  Cryptantha echinella E. C. Twisselmann 1965-7-6 11126 Kern summit ridge of Tehachapi Pk 2194 Comment
  SBBG23859  Idahoa scapigera E. C. Twisselmann 1965-5-7 453 Kern Cedar Crk, just above the stone corral 914 Comment
  SBBG23866  Eremogone macradenia var. macradenia E. C. Twisselmann 1965-7-28 11327 Kern ridge SE of Pine Flat 2377 Comment
  SBBG23903  Chamaesyce albomarginata E. C. Twisselmann 1965-5-6 10733 Kern Mesquite Cyn, El Paso Range 1158 Comment
  SBBG23905  Eriophyllum ambiguum E. C. Twisselmann 1965-6-3 10908 Kern head of Spanish Needle Crk 1417 Comment
  SBBG23924  Dithyrea californica E. C. Twisselmann 1965-5-5 10708 Kern dunes at the S end of Rogers Lake, Edwards Air Force Base 746 Comment
  SBBG23933  Acmispon wrangelianus E. C. Twisselmann 1965-4-26 10608 Kern Adobe Knoll at the head of Adobe Cyn 502 Comment
  SBBG23935  Astragalus trichopodus var. phoxus E. C. Twisselmann 1965-5-18 10861 Kern slope just S of old Lebec Hotel, Lebec 1097 Comment
  SBBG23944  Lonicera subspicata var. denudata E. C. Twisselmann 1965-6-18 11032 Kern potrero in upper San Emigdio Cyn 762 Comment
  SBBG23946  Frangula californica subsp. tomentella E. C. Twisselmann 1965-6-18 11031 Kern potrero in upper San Emigdio Cyn 762 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
  SBBG23981  Lomatium dissectum var. multifidum E. C. Twisselmann 1965-6-4 10989 Kern N of Basket Peak 1554 Comment
  SBBG23984  Limnanthes montana E. C. Twisselmann 1965-6-4 10960 Kern Wagy Crk at the Wagy Flat Rd 1234 Comment
  SBBG23989  Malacothrix saxatilis var. commutata E. C. Twisselmann 1965-7-27 11267 Kern E slope of Breckenridge Mtn Comment
  SBBG24002  Perideridia pringlei E. C. Twisselmann 1965-7-3 10952 Kern hill E of Bodfish Gap, NW end of Piute Mtn 1234 Comment
  SBBG24032  Horkeliella purpurascens E. C. Twisselmann 1965-7-27 11226 Kern swale at head of Mill Crk on N slope of Breckenridge Mtn 2255 Comment
  SBBG24037  Apium graveolens E. C. Twisselmann 1965-6-18 11038 Kern potrero in upper San Emigdio Cyn 762 Comment
  SBBG24071  Polygonum douglasii E. C. Twisselmann 1965-7-29 11378 Kern Shirley Meadows 2072 Comment
  SBBG24079  Mentzelia albicaulis E. C. Twisselmann 1965-6-23 11074 Kern N side of Antelope Valley, below Sacratarius [Sacatara] Cyn 1203 Comment
  SBBG24080  Castilleja applegatei E. C. Twisselmann 1965-7-27 11214 Kern summit of Breckenridge Mtn 2293 Comment
  SBBG24098  Calocedrus decurrens E. C. Twisselmann 1965-10-1 11637 Kern Lumreau Crk at the falls 853 Comment
  SBBG24131  Phoradendron leucarpum subsp. tomentosum E. C. Twisselmann 1965-10-5 11678 Kern Don's Cyn, a fk of upper Cedar Cyn 548 Comment
  SBBG24136  Solanum xanti E. C. Twisselmann 1965-7-6 11154 Kern Tehachapi Mtn Park 1828 Comment
  SBBG24139  Polygonum douglasii E. C. Twisselmann 1965-8-20 11540 Kern Shirley Meadows 2103 Comment
  SBBG24148  Atriplex coronata E. C. Twisselmann 1965-9-19 11567 Kern Kern Nat Wildlife Refuge 65 Comment
  SBBG24155  Astragalus asymmetricus E. C. Twisselmann 1965-7-4 11105 Kern ridge at the head of Associated Cyn 1021 Comment
  SBBG24163  Rumex violascens E. C. Twisselmann 1965-9-19 11578 Kern levee bank N of Well 8; Kern Nat Wildlife Refuge 65 Comment
  SBBG24183  Montia chamissoi E. C. Twisselmann 1965-7-27 11246 Kern Breckenridge Public Camp 2065 Comment
  SBBG24185  Turritis glabra E. C. Twisselmann 1965-7-27 11261 Kern Squirrel Meadow, Breckenridge Mtn 2072 Comment
  SBBG24221  Plagiobothrys hispidulus E. C. Twisselmann 1965-7-27 11196 Kern Breckenridge Mtn Rd, 1.2 mi E of Munzer Meadow 2042 Comment
  SBBG24226  Trifolium wormskioldii E. C. Twisselmann 1965-7-27 11205 Kern Mill Crk at Breckenridge Mtn Rd 2072 Comment
  SBBG24229  Acmispon procumbens var. procumbens E. C. Twisselmann 1965-7-6 11156 Kern Water Cyn 1493 Comment
  SBBG24238  Bromus carinatus E. C. Twisselmann 1965-7-27 11262 Kern Squirrel Meadow, Breckenridge Mtn 2072 Comment
  SBBG25978  Monardella odoratissima E. C. Twisselmann 1966-6-23 12384 Kern saddle N of Sunday Peak 2377 Comment
  SBBG25991  Acmispon grandiflorus var. grandiflorus E. C. Twisselmann 1966-5-10 12146 Kern N side of Havilah-Walker Basin divide 1226 Comment
  SBBG25999  Nama californica E. C. Twisselmann 1966-5-10 12128 Kern W end of King Solomon's Ridge; Piute Mtns 1463 Comment
  SBBG26043  Trifolium wormskioldii E. C. Twisselmann 1966-5-12 12209 Kern Kern Hot Springs 807 Comment
  SBBG26053  Arctostaphylos glauca E. C. Twisselmann 1966-7-5 12538 Kern slope E of the mouth of Cyn de la Lecheria 1341 Comment
  SBBG26063  Delphinium parishii subsp. parishii E. C. Twisselmann 1966-4-12 11859 Kern W side of the mouth of Last Chance Cyn, El Paso Range 728 Comment
  SBBG26068  Eriogonum deflexum var. baratum E. C. Twisselmann 1966-7-5 12543 Kern W ridge at head of Bronco Cyn 1554 Comment
  SBBG26090  Peritoma arborea E. C. Twisselmann 1966-3-29 11759 Kern NE end of Sand Ridge (near Edison) 289 Comment
  SBBG26171  Abronia villosa E. C. Twisselmann 1966-4-13 11912 Kern plains E of Ridgecrest along County Line Rd 731 Comment
  SBBG26174  Eriogonum nudum var. westonii E. C. Twisselmann 1966-4-26 12019 Kern Salisbury Mine, NW flank of Government Pk; Rand Mtns 1325 Comment
  SBBG26193  Ericameria cooperi var. cooperi E. C. Twisselmann 1966-4-26 11995 Kern ridge between El Paso Peaks 1325 Comment
  SBBG26200  Phacelia crenulata E. C. Twisselmann 1966-4-12 11891 Kern Iron Cyn, El Paso Range 868 Comment
  SBBG26230  Juncus dubius E. C. Twisselmann 1966-8-26 12754 Kern Cedar Crk just below the mouth of Lumreau Crk 807 Comment
  SBBG26262  Solanum xanti E. C. Twisselmann 1966-5-20 12251 Kern ridge at head of Tweedy Crk (mtn E of Keene) 1615 Comment
  SBBG26273  Quercus chrysolepis E. C. Twisselmann 1966-5-20 12293 Kern W slope of Kain Peak 1737 Comment
  SBBG26275  Platanus racemosa E. C. Twisselmann 1966-5-20 12321 Kern Tweedy Cyn, E of Keene 853 Comment
  SBBG26287  Apium graveolens E. C. Twisselmann 1966-9-8 12797 Kern S shore of Castaic Lake 1051 Comment
  SBBG26291  Ericameria nauseosa var. mohavensis E. C. Twisselmann 1966-9-8 12761 Kern Mt Abel Rd [Cerro Noroeste Rd] at the Kern Industrial Camp 1584 Comment
  SBBG26307  Lessingia glandulifera var. glandulifera E. C. Twisselmann 1966-9-8 12780 Kern Cuddy Valley 1645 Comment
  SBBG26313  Ceanothus cuneatus var. cuneatus E. C. Twisselmann 1966-6-9 12361 Kern Weldon Pond, E of Cache Pk 1371 Comment
  SBBG26315  Osmorhiza brachypoda E. C. Twisselmann 1966-5-20 12239 Kern ridge at the head of Tweedy Crk, E of Keene 1539 Comment
  SBBG26318  Peritoma arborea E. C. Twisselmann 1966-6-9 12343 Kern Bird Bath Spring in a fork of Pine Tree Cyn 1158 Comment
  SBBG28607  Eriogonum angulosum E. C. Twisselmann 1967-8-26 13574 Kern McGovern Grade, ca. 2 mi E of Annette 487 Comment
  SBBG32224  Asparagus officinalis E. C. Twisselmann, E. McMillan, C. F. Smith 1968-4-24 14076 Kern below the Luther Residence on Weldon Rd, Kernville 792 Comment
  SBBG38496  Nicotiana quadrivalvis E. C. Twisselmann 1969-6-21 15637 Kern Agua Media Wash, Antelope Plains 243 Comment
  SBBG38623  Eschscholzia minutiflora E. C. Twisselmann 1969-5-21 15444 Kern head of Red Rock Cyn on the old hwy (Abbott Rd) 853 Comment
  SBBG38625  Distichlis spicata E. C. Twisselmann 1969-5-21 15379 Kern Tarweed Crk, Red Rock Cyn 762 Comment
  SBBG41705  Salsola paulsenii E. C. Twisselmann 1970-9-8 17472 Kern Rosamond Blvd just W of Rosamond Dry Lake; Edwards Air Force Base 731 Comment
  SD131027  Cyperus erythrorhizos Ernest C. Twisselmann 1972-9-23 19261 Kern Bed of Lake Isabella below mouth of Tillie Creek. 762 Comment
  SD131031  Hypericum formosum var. scouleri Ernest C. Twisselmann 1966-6-25 12445 Kern Bartolas Creek, near its summit. 2088 Comment
  SD134011  Nemacladus twisselmannii Ernest C. Twisselmann, Jack Zaninovich 1971-7-13 17981 Kern Rim of the Kern Plateau, southwest of Pine Flat 2240 Comment
  SD135526  Prunus virginiana var. demissa Ernest C. Twisselmann 1965-6-4 10975 Kern Wagy Flat Road just above Wagy Flat 1424 Comment
  SD135611  Convolvulus arvensis Ernest C. Twisselmann 1971-6-21 17803 Kern South Fork Valley: Kernville Highway just west of its junctiopn with the Walker Pass Highway. 760 Comment
  SD135631  Cryptantha sparsiflora Ernest C. Twisselmann 1965-6-4 10994 Kern West slope of Basket Peak. 1150 Comment
  SD135639  Cryptantha echinella Ernest C. Twisselmann 1966-6-25 12459 Kern Bartolas Creek, near its summit 2120 Comment
  SD147453  Mimetanthe pilosa Ernest C. Twisselmann 1965-10-1 11622 Kern Lumreau Creek, ca. 0.2 mile below the falls 837 Comment
  SD147512  Galium matthewsii Ernst C. Twisselmann 1962-5-8 7125 Kern Head of Short Canyon, at base of massive metamorphic outcrop 1036 Comment
  SD147515  Galium hallii Ernest C. Twisselmann, Jack Zaninovich 1971-7-13 17987 Kern Rim of the Kern Plateau southwest of Pine Flat 2240 Comment
  SD147534  Pholistoma auritum var. auritum Ernest C. Twisselmann 1957-5-24 3597 Kern Alta Sierra Road: 5.8 miles east of Glennville. 1189 Comment
  SD147603  Pseudostellaria jamesiana Ernest C. Twisselmann 1963-7-9 8615 Kern Greenhorn Range, summit of Shirley Peak. 2120 Comment
  SD147629  Juncus occidentalis Ernest C. Twisselmann 1957-6-21 3757 Kern The Greenhorn Range, Evans Flat, growing in moist soil and in shallow water along a brook in a narrow meadow in a ponderosa pine forest. 1890 Comment
  SD71029  Diplacus pictus Ernest C. Twisselmann 1965-4-26 10594 Kern Granite Road, near the old Granite School. 810 Comment
  SD71430  Dysphania ambrosioides Ernest C. Twisselmann 1960-4-2 5952 Kern Kern River, 0.25 miles east of the canyon mouth. 292 Comment
  SEINET3142114  Mirabilis laevis var. crassifolia E. C. Twisselmann 1958-4-24 4371 Kern Eastern San Joaquin Valley, ridge along the mouth of Caliente Canyon 320 Comment
  SEINET6336305  Eriogonum covilleanum Ernest C. Twisselmann 1967-5-11 13020 Kern Cedar Canyon, 6 miles south of Bitterwater Road, Kern County 640 Comment
  SEINET7294037 Image available Poa secunda subsp. juncifolia Ernest C. Twisselmann 1962-1 7875 Kern Isabella Alkali flats at Scovern Hot Springs 686 Comment
  UC1195401  Gutierrezia californica Ernest C. Twisselmann 1957-11-7 4115 Kern 0.25 mi w of the summit Temblor Grade; Temblor Range, Western San Joaquin Valley, Temblor Grade 1028 Comment
  UC1195406  Gutierrezia californica Ernest C. Twisselmann 1957-11-7 4119 A Kern about 6 mi nw Maricopa; Temblor Range, Western San Joaquin Valley, Sunset Hills 323 Comment
  UC1195409  Gutierrezia californica Ernest C. Twisselmann 1957-11-7 4120 B Kern about 3 mi w of Belridge (Chico Martinez Canyon flood plain, in a broad alluvial fan); Temblor Range, Western San Joaquin Valley, Chico Martinez Ca 228 Comment
  UC1348989  Phacelia exilis Ernest C. Twisselmann 1965-7-27 11227 Kern head of Mill Creek Tehachapi-Kernville Region, Breckenridge Mountain (n slope of mt.) Comment
  UC1393678  Rigiopappus leptocladus Ernest C. Twisselmann 1965-6-3 10953 Kern hill e Bodfish Gap (nw end of Piute Mountain); Tehachapi-Kernville Region, nw end of Piute Mountain 1234 Comment
  UCD101075  Rumex acetosella Ernest C. Twisselmann 1964-7-25 9966 Kern The Greenhorn Range. Lynns Valley at the Henry Bowen Ranch. 975 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
  UCD104747  Astragalus douglasii Ernest C. Twisselmann 1959-4-21 5076 Kern Temblor Range and Western San Joaquin Valley. Annette Region: Hodges Canyon. 373 Comment
  UCD104767  Astragalus hornii Ernest C. Twisselmann 1964-7-17 9709 Kern San Joaquin Valley, eastern part of county. Panama Road, 1.8 mile west of Buena Vista School. 99 Comment
  UCD105022  Astragalus lentiginosus var. variabilis Ernest C. Twisselmann 1962-4-11 6931 Kern Mojave Desert. Mojave-Randsburg Region. Red Rock Canyon, about 0.75 mile below Ricardo. 662 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
  UCD105265  Astragalus purshii var. tinctus Ernest C. Twisselmann 1958-5-27 4529 Kern Head of Indian Wells Valley, Sierra Nevada. Shandon, CA. 1737 Comment
  UCD105351  Eschscholzia lemmonii subsp. kernensis Ernest C. Twisselmann 1962-4-9 6868 Kern East side of county. San Joaquin Valley. Tejon Hills, about 4 miles northwest of the old Tejon Ranch Headquarters. 388 Comment
  UCD107708  Datisca glomerata Ernest C. Twisselmann 1961-7-26 6357 Kern The Greenhorn Range. Bull Run Creek, ca. 2 miles west of Kern River. 1127 Comment
  UCD107712  Datisca glomerata Ernest C. Twisselmann 1963-7-11 8747 Kern Cannell Creek. 1.5 miles E of Kern River. 1036 Comment
  UCD108433  Robinia pseudoacacia Ernest C. Twisselmann 1961-10-5 6633 Kern Kern River at Hart Memorial Park. 152 Comment
  UCD110159  Chrysolepis sempervirens Ernest C. Twisselmann 1965-8-20 11541 Kern Shirley Meadows. 2103 Comment
  UCD114800  Descurainia sophia Ernest C. Twisselmann 1962-4-9 6891 Kern South Fork Valley, 5.7 miles west of Onyx. 746 Comment
  UCD115188  Hirschfeldia incana Ernest C. Twisselmann 1964-5-6 9334 Kern Head of Red Rock Canyon. 822 Comment
  UCD115224  Raphanus sativus Ernest C. Twisselmann 1959-4-1 5012 Kern Greenfield Road, 1.5 miles east of Pumpkin Center. 91 Comment
  UCD115334  Lepidium appelianum Ernest C. Twisselmann 1959-7-7 5545 Kern South fork of Kern River, just east of Weldon. 807 Comment
  UCD115898  Lepidium virginicum subsp. menziesii Ernest C. Twisselmann 1965-5-27 10882 Kern East of Rankin Flat. 914 Comment
  UCD121415  Vinca major Ernest C. Twisselmann 1961-4-14 6042 Kern Ernest Still Ranch, 1/2 mile south of Annette. Shandon, CA. 609 Comment
  UCD121542  Cephalanthus occidentalis Ernest C. Twisselmann 1959-7-4 5430 Kern Canal about 0.75 mile south of China Grade Bridge, Bakersfield. 129 Comment
  UCD121736  Galium aparine Ernest C. Twisselmann 1959-5-2 5174 Kern Breckenridge Mountain Road, 8.7 miles west of Munzer Meadow. 1036 Comment
  UCD124422  Plantago elongata Ernest C. Twisselmann 1954-3-13 874 Kern 9 miles N of Lost Hills. 106 Comment
  UCD124972  Lycopus americanus Ernest C. Twisselmann 1961-10-1 6598 Kern Hart Memorial Park. 152 Comment
  UCD125415  Pogogyne douglasii Ernest C. Twisselmann 1965-7-29 11386 Kern West side of Lynns Valley on Fugitt Road. 960 Comment
  UCD126229  Cressa truxillensis Ernest C. Twisselmann 1962-6-20 7414 Kern Weedpatch region: Adobe Road 1.3 miles south of Bear Mountain Blvd. 128 Comment
  UCD126336  Cuscuta salina Ernest C. Twisselmann 1959-7-4 5451 Kern Eastern San Joaquin Valley. Greenfield District: Cottonwood Road at Weedpatch Highway. 118 Comment
  UCD126461  Schedonorus arundinaceus Ernest C. Twisselmann 1963-6-11 8428 Kern Erskine Canyon, Piute Mountains, along Erskine Creek. 1188 Comment
  UCD126555  Ipomoea hederacea Ernest C. Twisselmann 1959-9-8 5598 Kern Highway U.S. 466, 0.25 mile east of Semitropic. Temblor Range and Western San Joaquin Valley. 124 Comment
  UCD126676  Nicotiana glauca Ernest C. Twisselmann 1961-10-5 6636 Kern Kern River at Hart Memorial Park. 152 Comment
  UCD126913  Solanum elaeagnifolium Ernest C. Twisselmann 1962-9-20 7903 Kern Poso Hills: Famosa Road at Poso Oil Field. 297 Comment
  UCD126915  Solanum elaeagnifolium Ernest C. Twisselmann 1963-11-10 9088 Kern Devils Den region: Twisselmann Road 1.5 mile west of Highway 33. Temblor Range and the Western San Joaquin Valley. 91 Comment
  UCD127032  Solanum umbelliferum Ernest C. Twisselmann 1958-5-21 4469 Kern Cienaga Canyon near the Klipstein Ranch. 883 Comment
  UCD127251  Berula erecta Ernest C. Twisselmann 1961-8-22 6533 Kern Tehachapi-Kernville Region. Canebrake Creek, 8.9 miles west of Walker Pass. 982 Comment
  UCD127510  Foeniculum vulgare Ernest C. Twisselmann 1964-8-20 10072 Kern Tehachapi-Kernville Region. Isabella alkali flats. 762 Comment
  UCD129092  Arida carnosa Ernest C. Twisselmann 1959-7-4 5444 Kern Eastern San Joaquin Valley. Weedpatch District: Adobe Road, 1.2 mile north of Bear Mountain Boulevard. 121 Comment
  UCD129582  Bidens frondosa Ernest C. Twisselmann 1963-9-18 9015 Kern Sierra Nevada. Weldon Road, 1 mile south of Kernville. 807 Comment
  UCD130080  Centaurea solstitialis Ernest C. Twisselmann 1961-10-31 6692 Kern Antelope Valley, about 4.5 miles southwest of Rosamund. 662 Comment
  UCD131225  Dimorphotheca sinuata E. C. Twisselmann 1958-4-14 4257 Kern Lerdo Road, just east of Shafter. 105 Comment
  UCD134229  Madia elegans Ernest C. Twisselmann 1961-7-27 6401 Kern Lynn Valley, 5.5 miles northwest of Glenville. 1005 Comment
  UCD136703  Symphyotrichum subulatum var. parviflorum Ernest C. Twisselmann 1961-10-5 6622 Kern Kern River at Hart Memorial Park. Eastern San Joaquin Valley. 152 Comment
  UCD136705  Symphyotrichum subulatum var. parviflorum Ernest C. Twisselmann 1963-9-6 8962 Kern Eastern party of county. Lake Woolloomes, near Delano. 114 Comment
  UCD137113  Xanthium spinosum Ernest C. Twisselmann 1964-7-17 9714 Kern Sycamore Creek, 0.5 mile east of Arvin. East side of county. 152 Comment
  UCD137963  Echinodorus berteroi Ernest C. Twisselmann 1958-10-16 4880 Kern Temblor Range and the Western San Joaquin Valley. Taft Highway, 0.25 mile west fo the Tupman-Buttonwillow Road. 88 Comment
  UCD138131  Elodea canadensis Ernest C. Twisselmann 1961-8-21 6522 Kern Kern River at Hart Memorial Park. 152 Comment
  UCD138292  Potamogeton pusillus Ernest C. Twisselmann 1961-10-5 6588 Kern Lake Ming. 198 Comment
  UCD138301  Zannichellia palustris Ernest C. Twisselmann 1964-9-16 10200 Kern Tehachapi-Kernville Region, Piute Mountains, spring at east end of Landers Meadow. 1981 Comment
  UCD141405  Juncus bufonius Ernest C. Twisselmann 1959-5-2 5148 Kern Breckenridge Mountain, Dougherty Creek Road at Cow Flat Creek. 914 Comment
  UCD142621  Euphorbia maculata Ernest C. Twisselmann 1961-8-22 6558 Kern Sierra Nevada. Kernville, Kernville Inn Motel. 803 Comment
  UCD142664  Euphorbia ocellata Ernest C. Twisselmann 1972-9-22 19230 Kern Sierra Nevada. Lake Isabella adjacent to old Kernville site. 815 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
  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
  UCD51186  Achnatherum occidentale subsp. pubescens Ernest C. Twisselmann 1971-7-15 17858 Kern South Fork of the head of Bartolas Creek. 1981 Comment
  UCD51312  Jarava speciosa Ernest C. Twisselmann 1965-6-3 10914 Kern head of Spanish Needle Creek. 1417 Comment
  UCD56111  Avena barbata Ernest C. Twisselmann 1971-4-26 17606 Kern Kern Canyon. Sierra Nevada. Highway just above KR3 Power House. 822 Comment
  UCD56354  Aristida divaricata Ernest C. Twisselmann 1961-7-27 6403 Kern Sierra Nevada, the Greenhorn Range, 1.9 mile east of Woody, Glenville Road. 670 Comment
  UCD56369  Avena fatua Ernest C. Twisselmann 1961-5-23 6184 Kern Tehachapi Mountains. Tejon Ranch: Telephone Road above Pastoria Canyon. 1005 Comment
  UCD56460  Avena sativa Ernest C. Twisselmann 1964-5-26 9540 Kern East side. San Joaquin Valley. Enos Road at Rio Bravo School. 91 Comment
  UCD56582  Quercus kelloggii Ernest C. Twisselmann 1964-7-23 9773 Kern Sierra Nevada. The Greenhorn Range. 0.4 mile east of the National Forest Boundary. Glennville--Greenhorn Road. 1402 Comment
  UCD57586  Bromus arenarius Ernest C. Twisselmann 1961-5-23 6200 Kern Tehachapi Mountains. Tejon Ranch: Telephone Road, dropping into Monroe Canyon. 1158 Comment
  UCD57607  Bromus arenarius Ernest C. Twisselmann 1964-5-15 9410 Kern Sierra Nevada. The Greenhorn Range. North Flank of Blue Mountain. 1043 Comment
  UCD57648  Bromus arizonicus Ernest C. Twisselmann 1963-4-18 8098 Kern East Side. San Joaquin Valley. Highway U. S. 99. 2.5 miles south of Mettler. 289 Comment
  UCD57671  Bromus arizonicus Ernest C. Twisselmann 1962-4-9 6889 Kern Temblor Range and Western San Joaquin Valley. Belridge Plain: Highway 33 at Lerdo Road. 175 Comment
  UCD57902  Cenchrus spinifex Ernest C. Twisselmann 1963-9-6 8950 Kern Eastern San Joaquin Valley, Poso Creek near Famosa. 114 Comment
  UCD57905  Cenchrus spinifex Ernest C. Twisselmann 1961-8-22 6538 Kern Tehachapi-Kernville Region, South Fork Valley, 2 miles east of Weldon. 792 Comment
  UCD57964  Bromus carinatus Ernest C. Twisselmann 1962-6-22 7307 Kern Tehachapi-Kernville Region. Weldon Meadow. Piute Mountains. 2087 Comment
  UCD58364  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
  UCD58536  Bromus diandrus Ernest C. Twisselmann 1959-5-2 5164 Kern Tehachapi-Kernville Region. Breckenridge Mountain Road. 4 miles west of Munzer Meadow. 1661 Comment
  UCD58675  Bromus hordeaceus Ernest C. Twisselmann 1959-6-18 5381 Kern Tehachapi-Kernville Region. Breckenridge Mountain: Squirrel Meadow. 2072 Comment
  UCD58991  Bromus madritensis Ernest C. Twisselmann 1965-6-3 10898 Kern Tehachapi-Kernville Region. Spring in Kern Canyon along the highway near Richbar. 320 Comment
  UCD59223  Bromus carinatus var. marginatus Ernest C. Twisselmann 1962-6-1 7228 Kern Tehachapi Mountains. Northwest slope of Tehachapi Peak. 1950 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
  UCD60042  Bromus tectorum var. glabratus Ernest C. Twisselmann 1963-5-11 8225 Kern Tehachapi Mountains. Hart Flat. 762 Comment
  UCD60934  Echinochloa crus-galli var. zelayensis Ernest C. Twisselmann 1962-11-14 7949 Kern San Joaquin Valley. Canal at the east side of Buena Vista Lake. 60 Comment
  UCD61798  Elymus glaucus Ernest C. Twisselmann 1962-9-20 7878 Kern Wofford Road, ca. 2 miles east of Greenhorn Pass. The Greenhorn Range. 1661 Comment
  UCD62297  Elymus glaucus Ernest C. Twisselmann 1962-9-20 7889 Kern The Greenhorn Range. Cooks (Shirley) Peak. 2130 Comment
  UCD62650  Elymus trachycaulus Ernest C. Twisselmann 1962-7-19 7486 Kern Tehachapi-Kernville Region. French Meadow, Piute Mountains. 2072 Comment
  UCD62962  Eragrostis cilianensis Ernest C. Twisselmann 1961-8-22 6539 Kern South Fork Valley, 2 miles east of Weldon. 792 Comment
  UCD62965  Eragrostis cilianensis Ernest C. Twisselmann 1959-7-4 5432 Kern E. San Joaquin Valley: Mettler Station District: Adobe Road, 3.1 miles S of U.S. 99. 128 Comment
  UCD63426  Lamarckia aurea Ernest C. Twisselmann 1964-5-26 9539 Kern Tehachapi Mountains, Caliente Canyon. 670 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
  UCD63833  Leptochloa fusca subsp. fascicularis Ernest C. Twisselmann 1964-9-29 10236 Kern San Joaquin Valley, The Kern National Wildlife Refuge. 76 Comment
  UCD63867  Eragrostis mexicana subsp. virescens Ernest C. Twisselmann 1964-7-17 9713 Kern San Joaquin Valley, Panama Lane, 4.5 miles east of Lamont. 152 Comment
  UCD64052  Leptochloa fusca subsp. uninervia Ernest C. Twisselmann 1962-11-14 7948 Kern San Joaquin Valley, canal at the east side of Buena Vista Lake. 60 Comment
  UCD64099  Digitaria sanguinalis Ernest C. Twisselmann 1959-7-4 5422 Kern Rosedale District: Brimhall Road. 121 Comment
  UCD64202  Distichlis spicata Ernest C. Twisselmann 1963-6-11 8451 Kern Tehachapi-Kernville Region. Scovern Hot Springs, below Isabella. 762 Comment
  UCD64469  Distichlis spicata var. nana Ernest C. Twisselmann 1962-11-14 7964 Kern East Side. San Joaquin Valley. Buena Vista Plains, ca. 3 miles SW of the end of Hill Road. 60 Comment
  UCD64477  Distichlis spicata var. nana Ernest C. Twisselmann 1962-6-20 7413 Kern Kern Co. East Side: Weedpatch Region: Adobe Road 1.3 miles south of Bear Mountain Boulevard. 128 Comment
  UCD64608  Distichlis spicata Ernest C. Twisselmann 1961-10-5 6604 Kern Hart Memorial Park: east end of the boat lake. 152 Comment
  UCD65709  Eriochloa acuminata Ernest C. Twisselmann 1959-8-7 5568 Kern McFarland district: Driver Road, 1.7 mile north of Peterson Road. 121 Comment
  UCD65895  Schedonorus arundinaceus Ernest C. Twisselmann 1966-6-23 12408 Kern Sierra Nevada. The Greenhorn Range. Ridge ca. 1 mile NW of Rhymes Toolbox. 1950 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
  UCD85566  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1965-10-1 11642 Kern The Greenhorn Range. Lumreau Creek, just above Cedar Creek. 807 Comment
  UCD85642  Hordeum depressum Ernest C. Twisselmann 1965-3-17 10456 Kern The Kern National Wildlife Refuge. 68 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
  UCD85645  Hordeum depressum Ernest C. Twisselmann 1969-5-21 15349 Kern Red Rock Canyon. Tarweed Creek. 762 Comment
  UCD88075  Melica imperfecta Ernest C. Twisselmann 1964-5-15 9415 Kern Sierra Nevada. Greenhorn Range. North flank of Blue Mountain. 1082 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
  UCD88951  Paspalum distichum Ernest C. Twisselmann 1961-7-27 6461 Kern Kern River at Borel Intake (east of Wofford). 784 Comment
  UCD88959  Paspalum distichum Ernest C. Twisselmann 1965-10-1 11668 Kern Cedar Creek, just below the mouth of Lumneau Creek. 792 Comment
  UCD89268  Phalaris minor Ernest C. Twisselmann 1963-4-12 8022 Kern Temblor Range and the Western San Joaquin Valley. Buttonwillow Road, 1.5 miles S of Spicer City Gin. 76 Comment
  UCD89852  Phragmites australis Ernest C. Twisselmann 1964-10-20 10300 Kern Mesquite Spring, El Paso Mountains. 617 Comment
  UCD89907  Piptatherum miliaceum Ernest C. Twisselmann 1963-6-3 8368 Kern San Emigdio Range and the Mt. Pinos Region. San Emigdio Ranch headquarters at the mouth of San Emigdio Canyon. 426 Comment
  UCD90573  Poa bolanderi Ernest C. Twisselmann 1963-7-9 8619 Kern summit of Shirley Peak. 2118 Comment
  UCD90817  Poa bulbosa Ernest C. Twisselmann 1962-4-18 6967 Kern Tejon Ranch. 1310 Comment
  UCD91402  Polypogon monspeliensis Ernest C. Twisselmann 1971-6-21 17781 Kern South Fork of Kern River, 0.5 mile below the Kernville Highway bridge. 762 Comment
  UCD92629  Setaria parviflora Ernest C. Twisselmann 1961-10-5 6616 Kern Kern River at Hart Memorial Park. 152 Comment
  UCD92674  Setaria adhaerens Ernest C. Twisselmann 1959-7-4 5458 Kern Shafter District. Santa Fe Road just south of Kratzmeyer Road. 114 Comment
  UCD92737  Setaria pumila Ernest C. Twisselmann 1958-11-1 4893 Kern Greeley Region, Stockdale Highway at the Hiller Ranch. 112 Comment
  UCD92741  Setaria pumila Ernest C. Twisselmann 1962-11-14 7967 Kern Panama Road, ca. 1.5 miles west of Old River. 117 Comment
  UCD92772  Sorghum halepense Ernest C. Twisselmann 1962-11-14 7965 Kern San Joaquin Valley. East side of county. Panama Road, ca. 1.5 miles W of Old River. 120 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
  UCD93874  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1955-5-22 2015 Kern Temblor Grade, 10.9 miles west of McKittrick. 762 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
  UCD94618  Vulpia microstachys var. pauciflora Ernest C. Twisselmann 1955-3-22 1750 Kern Bitterwater Canyon, 2 miles west of Maricopa. 365 Comment
  UCD95673  Delphinium gracilentum Ernest C. Twisselmann 1962-6-22 7301 Kern Tehachapi-Kernville Region. Piute Mountains. Woolstaff Meadow. 2270 Comment
  UCD97178  Amaranthus albus Ernest C. Twisselmann 1961-8-21 6487 Kern Sierra Nevada. Kern Valley: Isabella Lake bed. 731 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
  UCD99127  Monolepis nuttalliana Ernest C. Twisselmann 1961-10-30 6649 Kern Fremont Valley: dry wash in farmlands 2.5 miles south of Cantil, Shandon. 594 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
  UCD99745  Persicaria maculosa Ernest C. Twisselmann 1958-8-13 4633 Kern The Greenhorn Range. Angel Creek, just east of Glennville, Shandon. 944 Comment
  UCD99750  Persicaria maculosa Ernest C. Twisselmann 1961-8-21 6493 Kern Isabella Lake Bed; old Kern River Channel about 1/4 mile south of the old Borel Canal bridge. 762 Comment
  UCD99753  Persicaria maculosa Ernest C. Twisselmann 1964-7-25 9939 Kern The Greenhorn Range. Lynns Valley at the Henry Bowen Ranch. 975 Comment
  UCD99947  Eriogonum deflexum var. baratum Ernest C. Twisselmann 1972-9-22 19227 Kern above Lake Isabella. 822 Comment
  UCR129885  Camissonia campestris subsp. campestris E. C. Twisselmann 1964-5-6 9273 Kern Western Mojave Desert, Mojave-Randsburg Region, Hwy US 466 [=Hwy 58], 6.5 miles west of Boron 724 Comment
  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
  UCR66554  Navarretia intertexta E. C. Twisselmann 1965-8-20 11551 Kern Sierra Nevada, The Greenhorn Range. Vernal pool bed on Rattlesnake Grade, 0.9 mi SW of French Ranch 1463 Comment
  UCR72780  Sidalcea malviflora subsp. sparsifolia E. C. Twisselmann 1962-5-7 7037 Kern Sierra Nevada Mtns., canyon mouth 0.5 mi. below Kern Hot Springs 838 Comment
  UCR77865  Lupinus breweri var. grandiflorus E. C. Twisselmann 1966-6-23 12385 Kern Sierra Nevada Mtns, Greenhorn Range, Saddle north of Sunday Peak 2378 Comment
  UCR77898  Juncus macrophyllus E. C. Twisselmann 1962-9-20 7887 Kern Greenhorn Range, Greenhorn Summit road, 5.6 mi west of Wofford 1616 Comment
  UCR77903  Mimulus aurantiacus var. pubescens E. C. Twisselmann 1959-4-25 5118 Kern Seirra Nevada, Posey Road, 4.2 miles east of White River 701 Comment
  UCR88011  Platystemon californicus E. C. Twisselmann 1964-5-15 9399 Kern Sierra Nevada Mtns, Rankin Flat, E base of Blue Mountain. 973 Comment
  UCR88070  Atriplex serenana E. C. Twisselmann 1972-9-22 19233 Kern Sierra Nevada Mtns, Lake Isabella adjacent to old Kernville site 816 Comment
  UCR88086  Spergularia rubra E. C. Twisselmann 1965-7-29 11380 Kern Sierra Nevada Mtns, Shirley Meadows. 2073 Comment
  UCR88214  Trifolium ciliolatum E. C. Twisselmann 1963-5-17 8239 Kern Southern Sierra Nevada Mtns. Foothills, Poso Creek Canyon, Greenhorn Range, Sierra Nevada Mtns. 840 Comment
  UCR88215  Lasthenia debilis E. C. Twisselmann 1964-4-25 9241 Kern Greenhorn Range, The Sheep Camp, c. 4.5 mi east of Woody 1021 Comment
  CAS-BOT-BC112173  Eleocharis radicans Ernest C. Twisselmann 1961-7-26 6373 Kern At the site of old Kernville. 853 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-BC114402  Cyperus erythrorhizos Ernest C. Twisselmann 1964-9-29 10223 Kern Goose Lake Canal 76 Comment
  CAS-BOT-BC116338  Delphinium parryi subsp. parryi Ernest C. Twisselmann 1953-5-3 205 Kern Temblor Range and Western San Joaquin Valley. Santos Hills near the mouth of Santos Canyon. 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-BC116651  Carex subfusca Ernest C. Twisselmann 1962-9-20 7882 Kern Northwest flank of Black Mountain. 1935 Comment
  CAS-BOT-BC117705  Carex simulata Ernest C. Twisselmann 1956-5-17 2851 Kern Piute Mountain Road at Rancheria Creek. 1434 Comment
  CAS-BOT-BC118375  Carex praegracilis Ernest C. Twisselmann 1964-7-17 9734 Kern Cienega above the S side of Castaic Lake. 1051 Comment
  CAS-BOT-BC118377  Carex praegracilis Ernest C. Twisselmann 1955-6-23 2223 Kern San Emigdio Creek, 3.8 mi E of Apache Saddle. 1615 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-BC13095  Lepidium virginicum var. menziesii Ernest C. Twisselmann 1962-7-18 7435 Kern Sierra Nevada. Greenhorn Range. Fulton Creek on the Greenhorn Road, just above the Fulton Ranger Station. 1173 Comment
  CAS-BOT-BC132437  Calochortus palmeri Ernest C. Twisselmann 1965-7-27 11220 Kern Northwest slope of the summit ridge of Breckenridge Mountain 2237 Comment
  CAS-BOT-BC141412  Phacelia ramosissima var. latifolia Ernest C. Twisselmann 1958-8-19 4710 Kern Summit of Breckenridge Nountain (at the base of the fire lookout). 2299 Comment
  CAS-BOT-BC144843  Potentilla rivalis Ernest C. Twisselmann 1971-5-21 17776 Kern Point between the South Fork & Kern Valley arms of Lake Isabella 777 Comment
  CAS-BOT-BC14566  Boechera pulchra Ernest C. Twisselmann 1956-4-20 2670 Kern Tehachapi-Kernville Region. Butterbread Spring Road, 0.5 mile west of Kelso Valley Summit. 1386 Comment
  CAS-BOT-BC151580  Erythranthe parishii Ernest C. Twisselmann 1962-7-19 7513 Kern Cottonwood Creek at the foot of Geringer Grade, Piute Mountains, Tehachapi-Kernville Region 1417 Comment
  CAS-BOT-BC155409  Bromus hordeaceus Ernest C. Twisselmann 1965-4-14 10537 Kern Sierra Nevada. Greenhorn Range. Low hills at the mouth of Rattlesnake Creek. 594 Comment
  CAS-BOT-BC155422  Bromus hordeaceus Ernest C. Twisselmann 1956-4-23 2724 Kern Temblor Range and the Western San Joaquin Valley. Ridge north of Orchard Peak (Antelop Mountain). 762 Comment
  CAS-BOT-BC156465  Solanum umbelliferum E. C. Twisselmann 1966-6-9 12359 Kern Sweetwater Ridge, south of Cache Peak 2240 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-BC157564  Solanum umbelliferum E. C. Twisselmann 1966-5-20 12251 Kern Ridge at the head of Tweedy Creek (mountains east of Keene) 1615 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-BC16344  Athysanus unilateralis Ernest C. Twisselmann 1955-3-5 1685 Kern The Temblor Range and the Western San Joaquin Valley. Bitterwater Valley, near old Bitterwater Ranch. 304 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-BC164833  Clarkia rhomboidea Ernest C. Twisselmann 1957-6-5 3622 Kern Piute Mountains: Claraville Road, 4.3 miles south of Bodfish-Havilah Road 1722 Comment
  CAS-BOT-BC168256  Atriplex canescens var. canescens Ernest C. Twisselmann 1957-7-22 3876 Kern Kern Valley: mouth of Cyrus Canyon 739 Comment
  CAS-BOT-BC168379  Eremogone ferrisiae Ernest C. Twisselmann 1956-7-17 3032 Kern Bodfish Road, 9.4 miles north of Piute Peak, Tehachapi-Kernville Region 2072 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-BC176644  Atriplex serenana var. serenana Ernest C. Twisselmann 1954-6-27 1415 Kern Lokern Siding: 4.4 miles west of Buttonwillow 83 Comment
  CAS-BOT-BC176878  Salsola gobicola Ernest C. Twisselmann 1964-8-22 10156 Kern Proctor Lake bed 1203 Comment
  CAS-BOT-BC177290  Astragalus acutirostris Ernest C. Twisselmann 1962-4-10 6800 Kern Mojave-Randsburg Region. Rand Mountains, about 4.9 miles south of the town of Red Mountain 1264 Comment
  CAS-BOT-BC177904  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1958-3-22 4154 Kern Eastern San Joaquin Valley. Porterville Road, 2.3 miles northeast of Famosa 167 Comment
  CAS-BOT-BC177908  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1958-3-22 4154 Kern Eastern San Joaquin Valley. Porterville Road, 2.3 miles northeast of Famosa 167 Comment
  CAS-BOT-BC177914  Astragalus didymocarpus var. didymocarpus Ernest C. Twisselmann 1963-5-11 8222 Kern Caliente Road, ca. 0.5 mile below Bealville 518 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-BC179792  Centrostegia thurberi Ernest C. Twisselmann 1956-7-17 3100 Kern Mohave Desert, 7 miles N of Mohave. Mohave-Randsburg Region 883 Comment
  CAS-BOT-BC18092  Carex athrostachya Ernest C. Twisselmann 1965-7-27 11253 Kern Tehachapi-Kernville Region. Meadow at Breckenridge Public Camp. 2065 Comment
  CAS-BOT-BC182671  Astragalus douglasii Ernest C. Twisselmann 1963-5-11 8216 Kern Hart Flat 762 Comment
  CAS-BOT-BC182732  Astragalus douglasii Ernest C. Twisselmann 1961-5-23 6178 Kern Tejon Ranch: Rising Canyon 1066 Comment
  CAS-BOT-BC187196  Astragalus lentiginosus var. idriensis Ernest C. Twisselmann 1955-5-12 1971 Kern Near the summit of Portagee Canyon, Temblor Mountains 1158 Comment
  CAS-BOT-BC189630  Plagiobothrys torreyi Ernest C. Twisselmann 1965-7-27 11240 Kern Tehachapi-Kernville Region. Meadow at Breckenridge Public Camp 2065 Comment
  CAS-BOT-BC189634  Plagiobothrys torreyi Ernest C. Twisselmann 1959-6-18 5390 Kern Tehachapi-Kernville Region. Breckenridge Mountain: woods about 1 mile S of Golf Meadow 1828 Comment
  CAS-BOT-BC191685  Chorizanthe brevicornu var. brevicornu Ernest C. Twisselmann 1957-4-10 3360 Kern El Paso Mountains: outflow of Mesquite Canyon. Mohave-Randsburg Region 800 Comment
  CAS-BOT-BC191687  Chorizanthe brevicornu var. brevicornu Ernest C. Twisselmann 1958-4-24 4358 Kern El Paso Mountains: Last Chance Canyon. Mojave Desert 655 Comment
  CAS-BOT-BC194185  Astragalus pachypus Ernest C. Twisselmann 1963-5-11 8221 Kern Caliente Road, ca. 0.5 mile below Bealville - Tehachapi Mountains 518 Comment
  CAS-BOT-BC198653  Astragalus whitneyi var. whitneyi Ernest C. Twisselmann 1957-6-25 3791 Kern Summit of Mt. Pinos, Kern & Ventura counties - San Emigdio Ridge 2690 Comment
  CAS-BOT-BC198656  Astragalus whitneyi var. whitneyi Ernest C. Twisselmann 1961-6-22 8315 Kern Summit of Sawmill Mountain, Mt. Pinos Region - San Emigdio Ridge 2682 Comment
  CAS-BOT-BC202463  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-BC203281  Eremalche parryi Ernest C. Twisselmann 1954-4-17 1095 Kern Temblor Range and the Western San Joaquin Valley. Middlewater Plain: 1 mile northeast of Middlewater Pump Station 198 Comment
  CAS-BOT-BC206055  Hosackia crassifolia Ernest C. Twisselmann 1955-6-23 2214 Kern Mt. Abel Road, .9 mile east6 of Camp Condor 1996 Comment
  CAS-BOT-BC21295  Carex fracta Ernest C. Twisselmann 1965-7-27 11228 Kern Tehachapi-Kernville Region. Head of Mill Creek on the north slope of Breckenridge Mountain. 2255 Comment
  CAS-BOT-BC213923  Monardella odoratissima subsp. pallida Ernest C. Twisselmann 1965-7-27 11217 Kern Summit of Breckenridge Mountain, Tehachapi-Kernville Region 2298 Comment
  CAS-BOT-BC222811  Asclepias erosa Ernest C. Twisselmann 1958-8-7 4550 Kern Tehachapi-Kernville Region. Tejon Ranch: mouth of Tejon Canyon 304 Comment
  CAS-BOT-BC225423  Gilia leptantha Ernest C. Twisselmann 1959-6-18 5389 Kern Woods about 1 mile south of Golf Meadow, Breckenridge Mountain, Tehachapi-Kernville Region 1828 Comment
  CAS-BOT-BC225426  Gilia leptantha Ernest C. Twisselmann 1957-6-5 3643 Kern Claraville-Bodfish Road near Liebel Peak, Piute Mountains, Tehachapi-Kernville Region 2286 Comment
  CAS-BOT-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-BC226301  Gilia latiflora subsp. davyi Ernest C. Twisselmann 1957-4-10 3389 Kern Mohave [Mojave]-Randsburg Region. Mohave [Mojave] Desert: 11.3 miles northwest of Boron 716 Comment
  CAS-BOT-BC241916  Eriogonum cithariforme Ernest C. Twisselmann 1955-6-23 2189 Kern San Emigdio Range. Mt. Abel, 4 miles from summit 2310 Comment
  CAS-BOT-BC246390  Eriogonum deflexum var. baratum Ernest C. Twisselmann 1966-4-26 12024 Kern Mojave Desert, the Mojave-Randsburg Region. Northwest flank of Government Peak, Rand Mountains 1280 Comment
  CAS-BOT-BC246394  Eriogonum deflexum var. baratum Ernest C. Twisselmann 1957-8-13 3969 Kern Tehachapi-Kernville Region. Tehachapi Mountains: Oak Creek Canyon, near the summit 1264 Comment
  CAS-BOT-BC248017  Chorizanthe watsonii Ernest C. Twisselmann 1962-5-7 7039 Kern Kernville Road, 4.4 miles north of Weldon 914 Comment
  CAS-BOT-BC249363  Castilleja applegatei Ernest C. Twisselmann 1963-8-30 8937 Kern Tehachapi-Kernville Region. Piute Peak 2529 Comment
  CAS-BOT-BC253003  Eriogonum reniforme Ernest C. Twisselmann 1966-4-12 11896 Kern Iron Canyon, El Paso Range, Mojave-Randsburg Region 868 Comment
  CAS-BOT-BC254206  Eriogonum baileyi var. baileyi Ernest C. Twisselmann 1963-8-8 8854 Kern Tejon Canyon, Tehachapi Mountains 1341 Comment
  CAS-BOT-BC256087  Eriogonum deflexum var. baratum Ernest C. Twisselmann 1957-8-13 3969 Kern Oak Creek Canyon, near the summit, Tehachapi Mountains, Tehachapi-Kernville Region 1264 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-BC257501  Eriogonum inerme var. inerme Ernest C. Twisselmann 1962-9-20 7896 Kern The Sierra Nevada, the Greenhorn Range. Evans Creek just above Evans Flat 1889 Comment
  CAS-BOT-BC257554  Eriogonum inflatum Ernest C. Twisselmann 1965-5-6 10767 Kern The Mojave Desert, the Mojave-Randsburg Region. Northeast end of the El Paso Mountains at the Ridgecrest Road 944 Comment
  CAS-BOT-BC258201  Eriogonum pusillum Ernest C. Twisselmann 1965-5-6 10744 Kern The Mojave Desert, the Mojave-Randsburg Region. Rand Mountains: slope below the Yellow Aster Mine 1173 Comment
  CAS-BOT-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-BC258205  Eriogonum pusillum Ernest C. Twisselmann 1966-4-12 11897 Kern The Mojave Desert, the Mojave-Randsburg Region. Iron Canyon, El Paso Range 868 Comment
  CAS-BOT-BC258215  Eriogonum pusillum Ernest C. Twisselmann 1966-4-26 12032 Kern The Mojave Desert, the Mojave-Randsburg Region. Northeast end of the Rand Mountains 1310 Comment
  CAS-BOT-BC258217  Eriogonum pusillum Ernest C. Twisselmann 1956-5-17 2805 Kern The Tehachapi-Kernville Region. Kelso Creek Canyon, 1 mile north of Shorty's Place 1112 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-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-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-BC263459  Eriogonum thomasii Ernest C. Twisselmann 1966-4-12 11856 Kern Mouth of Last Chance Canyon, El Paso Range, Mojave Desert the Mojave-Randsburg Region 723 Comment
  CAS-BOT-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-BC266802  Eriogonum nudum var. westonii Ernest C. Twisselmann 1957-5-10 3527 Kern Pinosa Ridge, Southern Sierra Nevada, Tehachapi-Kernville Region 914 Comment
  CAS-BOT-BC268324  Eriogonum roseum Ernest C. Twisselmann 1961-7-26 6355 Kern Sierra Nevada, Greenhorn Range. Bull Run Creek, about 1.5 mile west of Kern River 1127 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-BC270141  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-BC272610  Eriogonum spergulinum var. reddingianum Ernest C. Twisselmann 1963-8-30 8938 Kern Tehachapi-Kernville Region. Piute Peak 2514 Comment
  CAS-BOT-BC272618  Eriogonum spergulinum var. reddingianum Ernest C. Twisselmann 1965-7-27 11244 Kern Tehachapi-Kernville Region. Meadow at Breckenridge Public Camp 2065 Comment
  CAS-BOT-BC276373  Chaenactis carphoclinia Ernest C. Twisselmann 1958-4-24 4355 Kern Mojave Randsburg Region. El Paso Mountains: Last Chance Canyon 655 Comment
  CAS-BOT-BC276882  Chaenactis fremontii Ernest C. Twisselmann 1963-5-10 8141 Kern Mojave - Randsburg Region. SW end of Rand Mountains 670 Comment
  CAS-BOT-BC277192  Centaurea solstitialis Ernest C. Twisselmann 1962-11-14 8006 Kern San Emigdio Range and the Mt. Pinos Region. Castaic Valley, ca. 1 mile south of Lebec on the Frazier Park Road 1158 Comment
  CAS-BOT-BC277195  Centaurea solstitialis Ernest C. Twisselmann 1961-10-31 6692 Kern Mohave-Randsburg Region. Antelope Valley: about 4.5 miles southwest of Rosamund [Rosamond] 662 Comment
  CAS-BOT-BC277197  Centaurea solstitialis Ernest C. Twisselmann 1961-10-31 6692 Kern Mojave Desert, Mojave-Randsburg Region. Antelope Valley: about 4.5 miles south-west of Rosamund [Rosamond] 662 Comment
  CAS-BOT-BC279569  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-BC279702  Chaenactis xantiana Ernest C. Twisselmann 1963-5-10 8168 Kern Mojave Desert, Mojave-Randsburg Region. Boron Hills: California City road 0.5 mile north of Highway U.S. 466 731 Comment
  CAS-BOT-BC279868  Cichorium intybus Ernest C. Twisselmann 1959-7-7 5544 Kern Tehachapi-Kernville Region. South Fork Valley just east of Lake Isabella 792 Comment
  CAS-BOT-BC279870  Cichorium intybus Ernest C. Twisselmann 1957-8-5 3956 Kern Eastern San Joaquin Valley. Corral Canyon, Poso Hills 480 Comment
  CAS-BOT-BC281224  Centromadia fitchii Ernest C. Twisselmann 1957-9-19 4042 Kern Eastern San Joaquin Valley. Famosa Rd, 0.7 mile W of Granite Station 762 Comment
  CAS-BOT-BC281938  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-BC28207  Bolboschoenus glaucus Ernest C. Twisselmann 1955-7-13 2263 Kern Duck Club Road, 8.9 mi N of Semitropic School. 64 Comment
  CAS-BOT-BC283361  Calycoseris parryi Ernest C. Twisselmann 1957-5-10 3520 Kern Tehachapi-Kernville Region. Southern Sierra Nevada: Pinosa Ridge 929 Comment
  CAS-BOT-BC284338  Chaenactis stevioides Ernest C. Twisselmann 1963-4-18 8083 Kern Wheeler Ridge, San Emigdio Range and teh Mt. Pinos Region 518 Comment
  CAS-BOT-BC285783  Cirsium vulgare Ernest C. Twisselmann 1963-8-30 8942 Kern Tehachapi-Kernville Region. Rancheria Creek at the Piute Mountain Road 1341 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-BC291345  Cotula coronopifolia Ernest C. Twisselmann 1962-4-19 7014 Kern Poso Creek near the Poso Station monument, San Joaquin Valley 121 Comment
  CAS-BOT-BC291347  Cotula coronopifolia Ernest C. Twisselmann 1954-5-7 1184 Kern Carneros Creek at Carneros Rocks, Temblor Range and the Western San Joaquin Valley 449 Comment
  CAS-BOT-BC292168  Dicoria canescens Ernest C. Twisselmann 1958-10-31 4942 Kern Mohave-Randsburg Region. Highway U.S. 466, 9.6 miles east of Mojave 845 Comment
  CAS-BOT-BC295640  Agnorhiza ovata Ernest C. Twisselmann 1963-8-30 8940 Kern Tehachapi-Kernville Region. Piute Mountain Road, 5.4 miles northeast of Rancheria Creek 2240 Comment
  CAS-BOT-BC296156  Erigeron foliosus var. foliosus Ernest C. Twisselmann 1962-6-21 7403 Kern Tejon Ranch, lower end of Tunis Ridge, Tehachapi Mountains 762 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-BC29693  Bolboschoenus maritimus Ernest C. Twisselmann 1953-9-7 749 Kern Temblor Oil Field Creek. 518 Comment
  CAS-BOT-BC29695  Bolboschoenus maritimus Ernest C. Twisselmann 1953-9-7 749 Kern Temblor Oil Field, Temblor Ranch. 518 Comment
  CAS-BOT-BC297058  Erigeron breweri var. breweri Ernest C. Twisselmann 1961-7-27 6426 Kern Greenhorn Summit Road 0.3 mil north of Tiger Flat, Greenhorn Range, Sierra Nevada 1981 Comment
  CAS-BOT-BC297069  Erigeron breweri var. breweri Ernest C. Twisselmann 1958-8-19 4712 Kern Summit of Breceknridge Mountain, Tehachapi-Kernville Region 2299 Comment
  CAS-BOT-BC298435  Eriophyllum ambiguum var. paleaceum Ernest C. Twisselmann 1966-4-12 11860 Kern Mojave-Randsburg Region. W side of the mouth of Last Chance Canyon, El Paso Range 728 Comment
  CAS-BOT-BC298437  Eriophyllum ambiguum var. paleaceum Ernest C. Twisselmann 1965-5-6 10721 Kern Mojave-Randsburg Region. El Paso Range: mesa S of Black Mt 1280 Comment
  CAS-BOT-BC298476  Eriophyllum ambiguum var. paleaceum Ernest C. Twisselmann 1956-4-20 2679 Kern Tehachapi - Kernville Region. Jawbone Canyon near White Rock Mine 920 Comment
  CAS-BOT-BC301862  Eriophyllum pringlei Ernest C. Twisselmann 1958-5-6 4410 Kern Mohave-Randsburg Region. Randsburg Road, 6 miles south of Ridgecrest 944 Comment
  CAS-BOT-BC302062  Eriophyllum wallacei Ernest C. Twisselmann 1957-4-10 3380 Kern Mohave-Randsburg Region. Mohave Desert: 6.7 miles southeast of Desert Butte 670 Comment
  CAS-BOT-BC302075  Eriophyllum wallacei Ernest C. Twisselmann 1956-4-20 2687 Kern Tehachapi-Kernville Region. Jawbone Canyon 707 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-BC314635  Grindelia hirsutula Ernest C. Twisselmann 1954-7-20 1443 Kern Buena Vista Slough near Shafter Highway Highway Bridge, Temblor Range and the Western San Joaquin Valley 76 Comment
  CAS-BOT-BC318710  Hieracium horridum Ernest C. Twisselmann 1956-7-17 3051 Kern On the lower granite outcrop, Piute Peak, Tehachapi-Kernville Region 2557 Comment
  CAS-BOT-BC321161  Layia glandulosa Ernest C. Twisselmann 1957-4-10 3378 Kern Mohave-Randsburg Region. Mohave Desert: 6.7 miles SE of Desert Butte. 670 Comment
  CAS-BOT-BC32138  Carex multicaulis Ernest C. Twisselmann 1957-5-24 3574 Kern Alta Sierra Road, 10.1 mi W of Lake Isabella. 1767 Comment
  CAS-BOT-BC327610  Layia pentachaeta Ernest C. Twisselmann 1954-4-9 1016 Kern Alec Cook Canyon, fork of Cedar Canyon. Temblor Range and Western San Joaquin Valley. Comment
  CAS-BOT-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-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-BC332850  Lagophylla ramosissima Ernest C. Twisselmann 1954-5-13 1241 Kern Drake Ridge 1 mile northwest of Temblor Ranch, the Temblor Range and the Western San Joaquin Valley 609 Comment
  CAS-BOT-BC338009  Lasthenia californica Ernest C. Twisselmann 1965-5-6 10716 Kern Mojave Desert, Mojave-Randsburg Region. Red Rock Canyon 762 Comment
  CAS-BOT-BC338019  Lasthenia californica Ernest C. Twisselmann 1957-4-10 3390 Kern Mohave-Randsburg Region. Mohave Desert: 11.3 miles northwest of Boron 716 Comment
  CAS-BOT-BC338022  Lasthenia californica Ernest C. Twisselmann 1962-4-10 6842 Kern Mojave Desert, Mojave-Randsburg Region. Small butte on Silver Queen Road northwest of Soledad Mountain 822 Comment
  CAS-BOT-BC338027  Lasthenia californica Ernest C. Twisselmann 1958-5-12 4463 Kern Temblor Range and the Western San Joaquin Valley. Temblor Summit, 1.1 mile south of McKittrick Highway 1158 Comment
  CAS-BOT-BC338036  Lasthenia californica Ernest C. Twisselmann 1958-4-12 4228 Kern Eastern San Joaquin Valley. Granite School Road, 3.1 miles south of Granite Station 777 Comment
  CAS-BOT-BC338041  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-BC338045  Lasthenia californica Ernest C. Twisselmann 1962-5-25 7221 Kern San Emigdio Range and the Mt. Pinos Region. Mt. Abel Road, vernal pool 3.2 miles north of Valle Vista Public Camp 1432 Comment
  CAS-BOT-BC338047  Lasthenia californica Ernest C. Twisselmann 1958-3-22 4141 Kern Temblor Range and the Western San Joaquin Valley. Alkali plain just east of the Semitropic School 91 Comment
  CAS-BOT-BC339251  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1966-9-8 12783 Kern San Emigdio Range and the Mt. Pinos Region. Mouth of Cuddy Valley (just above Lake of the Woods) 1584 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-BC340551  Lactuca serriola Ernest C. Twisselmann 1954-6-21 1388 Kern Temblor Range and the Western San Joaquin Valley. Antelope Valley: 2 miles southeast of Keck's Corner, western Kern County 304 Comment
  CAS-BOT-BC340557  Lactuca serriola Ernest C. Twisselmann 1966-9-8 12794 Kern Tehachapi Mountains. South shore of Castaic Lake 1051 Comment
  CAS-BOT-BC340566  Lactuca serriola Ernest C. Twisselmann 1955-7-13 2249 Kern Temblor Range and the Western San Joaquin Valley. Duck Club Road, 4 1/2 miles north of Semitropic School 62 Comment
  CAS-BOT-BC340737  Laennecia coulteri Ernest C. Twisselmann 1954-11-9 1659 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Lake Bed 94 Comment
  CAS-BOT-BC340743  Laennecia coulteri Ernest C. Twisselmann 1958-11-1 4930 Kern Mohave-Randsburg Region. Fremont Valley: 1 mile south of Cantil 624 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-BC345305  Malacothrix californica Ernest C. Twisselmann 1954-4-2 960 Kern Temblor Range and the Western San Joaquin Valley. North Belridge Oil Field 152 Comment
  CAS-BOT-BC347416  Malacothrix floccifera Ernest C. Twisselmann 1954-5-13 1235 Kern Temblor Range and the Western San Joaquin Valley. Joe Messa Ridge: 4 miles west of Carneros Rocks 914 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-BC348470  Micropus californicus var. californicus Ernest C. Twisselmann 1962-4-19 6985 Kern Sierra Nevada, Greenhorn Range. Blue Mountain Road, 4.1 miles north of Woody Road 502 Comment
  CAS-BOT-BC348474  Micropus californicus var. californicus Ernest C. Twisselmann 1956-4-23 2721 Kern Temblor Range and the Western San Joaquin Valley. Summit of Orchard Peak (Antelope Mountain), western Kern County 950 Comment
  CAS-BOT-BC348478  Micropus californicus var. californicus Ernest C. Twisselmann 1961-5-24 6249 Kern Tehachapi Mountains. Tejon Ranch: ridge above Saucelito Corrals 1188 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-BC356215  Prenanthella exigua Ernest C. Twisselmann 1966-4-26 12018 Kern Mojave Desert, Mojave-Randsburg Region. Northwest slope of Government Peak, Rand Mountains 1325 Comment
  CAS-BOT-BC357015  Pseudognaphalium luteoalbum Ernest C. Twisselmann 1965-10-1 11631 Kern Sierra Nevada, Greenhorn Range. Lumreau Creek, ca. 0.5 mile above Cedar Creek 822 Comment
  CAS-BOT-BC357017  Pseudognaphalium luteoalbum Ernest C. Twisselmann 1959-7-4 5424 Kern Eastern San Joaquin Valley. Bakersfield District: Olive Road 1.3 mile west of Highway U. S. 99 121 Comment
  CAS-BOT-BC357618  Pseudognaphalium stramineum Ernest C. Twisselmann 1963-6-11 8456 Kern Weldon Highway just below Kern Hot Springs 792 Comment
  CAS-BOT-BC361694  Psilocarphus brevissimus var. brevissimus Ernest C. Twisselmann 1962-5-7 7035 Kern Sierra Nevada, Greenhorn Range. Granite Station Road, 8.3 miles west of Glennville 1005 Comment
  CAS-BOT-BC362309  Pyrrocoma racemosa var. paniculata Ernest C. Twisselmann 1957-9-19 4049 Kern Tehachapi-Kernville Region. Kern Valley, just south of Isabella 777 Comment
  CAS-BOT-BC362448  Rafinesquia californica Ernest C. Twisselmann 1954-5-13 1234 Kern Temblor Range and the Western San Joaquin Valley. Cedar Canyon, near Alec Cook Canyon Forks, 4 miles south of Bitterwater Road 518 Comment
  CAS-BOT-BC362986  Rigiopappus leptocladus Ernest C. Twisselmann 1962-6-21 7401 Kern Tehachapi Mountains. Tejon Ranch: Tunis Ridge 1371 Comment
  CAS-BOT-BC366174  Lasthenia minor Ernest C. Twisselmann 1958-3-22 4192 Kern Eastern San Joaquin Valley: Poso Hills: Kern River Road, 0.5 mile south of Poso Creek 289 Comment
  CAS-BOT-BC374440  Sonchus asper Ernest C. Twisselmann 1958-11-1 4890 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough, 3.6 miles west of Buttonwillow 80 Comment
  CAS-BOT-BC374444  Sonchus asper Ernest C. Twisselmann 1953-9-4 733 Kern Temblor Range and the Western San Joaquin Valley. Carneros Creek at Carneros Rocks Comment
  CAS-BOT-BC375472  Stephanomeria exigua subsp. exigua Ernest C. Twisselmann 1962-11-14 8004 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-BC375708  Stephanomeria runcinata Ernest C. Twisselmann No date on label 1462 Kern Temblor Range and the Western San Joaquin Valley. Antelope Plain: 5 miles west of Blackwell's Corner 304 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-BC375784  Stephanomeria virgata Ernest C. Twisselmann 1954-9-26 1604 Kern Temblor Range and the Western San Joaquin Valley. Grocer Grade: 7 miles west of Maricopa 792 Comment
  CAS-BOT-BC375788  Stephanomeria virgata Ernest C. Twisselmann 1957-7-23 3819 Kern Sierra Nevada, Greenhorn Range. Greenhorn Pass Road, 1 mile east of Fulton Ranger Station 1165 Comment
  CAS-BOT-BC375998  Stylocline gnaphaloides Ernest C. Twisselmann 1955-5-17 1991 Kern Temblor Range and the Western San Joaquin Valley. Alec Cook Rocks, Cedar Canyon, western Kern County 670 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-BC381845  Uropappus lindleyi Ernest C. Twisselmann 1958-4-12 4225 Kern Eastern San Joaquin Valley. Granite Creek Canyon, 1.3 mile north of Poso Creek 304 Comment
  CAS-BOT-BC381847  Uropappus lindleyi Ernest C. Twisselmann 1958-4-12 4248 Kern Eastern San Joaquin Valley. Delano Road, 14.1 miles west of Woody 274 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-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-BC38334  Caulanthus cooperi Ernest C. Twisselmann 1962-4-10 6801 Kern Mojave-Randsburg Region. Rand Mountains, about 4.9 miles south of the town of Red Mountain. 1264 Comment
  CAS-BOT-BC383663  Xanthium spinosum Ernest C. Twisselmann 1964-7-17 9714 Kern San Joaquin Valley. Sycamore Creek, 0.5 mile east of Arvin 152 Comment
  CAS-BOT-BC383688  Xanthium strumarium Ernest C. Twisselmann 1961-10-30 6647 Kern Mohave-Randsburg Region. Fremont Valley: dry wash in the farmlands 2.5 miles south of Cantil 594 Comment
  CAS-BOT-BC383931  Abronia pogonantha Ernest C. Twisselmann 1956-3-23 2573 Kern Temblor Range and the Western San Joaquin Valley. Sand dunes 1/2 mile north of Point Of Rocks 237 Comment
  CAS-BOT-BC383935  Abronia pogonantha Ernest C. Twisselmann 1969-5-21 15318 Kern Mojave Desert, Red Rock Canyon. Sandy flat northeast of the Freeway bridge 762 Comment
  CAS-BOT-BC384071  Mirabilis laevis var. villosa Ernest C. Twisselmann 1963-5-11 8193 Kern Mojave Desert, Mojave-Randsburg Region. Wash below Cow Heaven Canyon on the west side of Indian Wells Valley 1051 Comment
  CAS-BOT-BC384161  Forestiera pubescens subsp. parvifolia Ernest C. Twisselmann 1952-7-20 384 Kern Temblor Range and the Western San Joaquin Valley. Temblor Canyon 609 Comment
  CAS-BOT-BC384165  Forestiera pubescens subsp. parvifolia Ernest C. Twisselmann 1963-5-10 8154 Kern Mojave Desert, Mojave-Randsburg Region. Rosamond region: Avenue A 0.6 mile east of Highway U.S. 6 734 Comment
  CAS-BOT-BC384167  Forestiera pubescens subsp. parvifolia Ernest C. Twisselmann 1955-4-10 1832 Kern Temblor Range and the Western San Joaquin Valley. Cherry Spring, Temblor Canyon 609 Comment
  CAS-BOT-BC389079  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-BC389085  Silene laciniata subsp. californica Ernest C. Twisselmann 1961-5-23 6128 Kern Tehachapi Mountains. Tejon Ranch: Telephone Road at the head of Monroe Canyon 1341 Comment
  CAS-BOT-BC390784  Spergularia marina Ernest C. Twisselmann 1958-4-12 4253 Kern Eastern San Joaquin Valley. Poso Creek at the edge of the San Joaquin Valley 182 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-BC392503  Stellaria media Ernest C. Twisselmann 1957-3-27 3293 Kern Kern Mesa at the foot of White Wolf Grade, Shandon, Eastern San Joaquin Valley 373 Comment
  CAS-BOT-BC392513  Stellaria media Ernest C. Twisselmann 1958-2-23 4138 Kern Antelope Ranch, Antelope Valley, Shandon 304 Comment
  CAS-BOT-BC39701  Descurainia Ernest C. Twisselmann 1962-6-1 7235 Kern Tehachapi Mountains. Northwest slope of Tehachapi Peak. 1889 Comment
  CAS-BOT-BC401241  Hypericum perforatum Ernest C. Twisselmann 1964-9-16 10222 Kern Weldon Road, 1 mile south of Kernville 807 Comment
  CAS-BOT-BC401719  Argemone munita subsp. munita Ernest C. Twisselmann 1954-5-7 1180 Kern Temblor Range and the Western San Joaquin Valley. Little Carneros Spring, Carneros Canyon, 1 1/2 miles west of Carneros Rocks 548 Comment
  CAS-BOT-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-BC401767  Argemone munita subsp. rotundata Ernest C. Twisselmann 1957-7-23 3874 Kern Sierra Nevada, Greenhorn Range. Kernville Road, 5.3 miles east of Greenhorn Pass 1158 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-BC402681  Eschscholzia caespitosa Ernest C. Twisselmann 1963-4-12 8037 Kern San Joaquin Valley, the Kern County East Side. Hills above Comanche Point 332 Comment
  CAS-BOT-BC402685  Eschscholzia caespitosa Ernest C. Twisselmann 1963-5-17 8234 Kern Sierra Nevada, Greenhorn Range. Slope on the south side of Poso Creek Narrows 914 Comment
  CAS-BOT-BC402687  Eschscholzia caespitosa Ernest C. Twisselmann 1961-5-4 6062 Kern Sierra Nevada, Greenhorn Range. Greenhorn Pass Road, 8.6 mile east of Glennville 1158 Comment
  CAS-BOT-BC403059  Eschscholzia californica Ernest C. Twisselmann 1956-3-23 2583 Kern Temblor Range and the Western San Joaquin Valley. McGovern Grade, 1 mile east of Annette 678 Comment
  CAS-BOT-BC403074  Eschscholzia californica Ernest C. Twisselmann 1962-6-1 7260 Kern Tehachapi Mountains. Cummings Valley 1173 Comment
  CAS-BOT-BC403078  Eschscholzia californica Ernest C. Twisselmann 1962-4-19 6979 Kern Sierra Nevada, Greenhorn Range. Granite Station Road, 4 miles west of Glennville 807 Comment
  CAS-BOT-BC403106  Eschscholzia californica Ernest C. Twisselmann 1962-4-9 6896 Kern Tehachapi-Kernville Region. Kern Canyon, 4.9 miles west of Richbar 304 Comment
  CAS-BOT-BC403821  Hesperocnide tenella Ernest C. Twisselmann 1954-4-9 1026 Kern Temblor Range and the Western San Joaquin Valley. Cedar Canyon: Alec Cook Rocks 701 Comment
  CAS-BOT-BC40636  Erysimum capitatum Ernest C. Twisselmann 1955-3-20 1731 Kern Temblor Range and Western San Joaquin Valley. Bitterwater Hills at head of Packwood Canyon. 579 Comment
  CAS-BOT-BC409936  Arceuthobium campylopodum Ernest C. Twisselmann 1955-10-21 2484 Kern Piute Mountains: 1 mile SE of Saddle Springs, near Liebel Peak, Tehachapi-Kernville region 2136 Comment
  CAS-BOT-BC410099  Arceuthobium occidentale Ernest C. Twisselmann 1958-8-7 8832 Kern Cienegas at the head of Tejon Creek 1280 Comment
  CAS-BOT-BC412743  Lastarriaea coriacea Ernest C. Twisselmann 1955-5-17 1989 Kern Temblor Range and the Western San Joaquin Valley. Alec Cook Rocks, Cedar Canyon 670 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-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-BC413985  Polygonum aviculare subsp. aviculare Ernest C. Twisselmann 1958-8-7 4617 Kern Tehachapi-Kernville Region. Tejon Ranch: meadow near the summit of the southwest end of Catskin Basin 1828 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-BC414472  Polygonum douglasii Ernest C. Twisselmann 1958-8-7 4617 Kern Tehachapi-Kernville Region. Tejon Ranch: meadow near the summit of the southwest end of Catskin Basin 1828 Comment
  CAS-BOT-BC416995  Sedella pumila Ernest C. Twisselmann 1963-5-17 8241 Kern Granite outcrop above Poso Creek Narrows 929 Comment
  CAS-BOT-BC416997  Sedella pumila Ernest C. Twisselmann 1964-4-25 9252 Kern Slope on the S side of Howling Gulch, ca. 3 miles SE of Woody 807 Comment
  CAS-BOT-BC418963  Persicaria lapathifolia Ernest C. Twisselmann 1958-8-13 4632 Kern Angel Creek, just east of Glennville. Greenhorn Range 944 Comment
  CAS-BOT-BC418966  Persicaria lapathifolia Ernest C. Twisselmann 1954-7-20 1459 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Canal: 6 miles northwest of Buttonwillow 76 Comment
  CAS-BOT-BC418980  Persicaria lapathifolia Ernest C. Twisselmann 1954-11-9 1660 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Lake Bed 91 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-BC418988  Persicaria lapathifolia Ernest C. Twisselmann 1961-10-5 6587 Kern Eastern San Joaquin Valley. North shore of Lake Ming 198 Comment
  CAS-BOT-BC419203  Persicaria maculosa Ernest C. Twisselmann 1964-7-25 9939 Kern Lynns Valley at the Henry Bowen Ranch. Greenhorn Range 975 Comment
  CAS-BOT-BC419332  Persicaria punctata Ernest C. Twisselmann 1968-8-22 14903 Kern San Joaquin Valley, the Kern County East Side. Tracy Ranch at Jerry Slough 99 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-BC419760  Polygonum argyrocoleon Ernest C. Twisselmann 1964-9-29 10259 Kern San Joaquin Valley, Kern National Wildlife Refuge 76 Comment
  CAS-BOT-BC419969  Polygonum polygaloides subsp. kelloggii Ernest C. Twisselmann 1965-7-27 11243 Kern Tehachapi-Kernville Region. Meadow at Breckenridge Public Camp. 2065 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-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-BC421650  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-BC421654  Rumex crispus Ernest C. Twisselmann 1958-8-7 4557 Kern Tehachapi-Kernville Region. Tejon Ranch: meadow near the summit of the southwest end of Catskin Basin (Mojave drainage). 1828 Comment
  CAS-BOT-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-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-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-BC422955  Stylomecon heterophylla Ernest C. Twisselmann 1958-4-12 4224 Kern Eastern San Joaquin Valley. Granite Creek Canyon, 1.3 mile north of Poso Creek. 304 Comment
  CAS-BOT-BC422957  Stylomecon heterophylla Ernest C. Twisselmann 1957-3-27 3277 Kern Tehachapi-Kernville Region. Tehachapi Mountains: Horsetheif [Horsethief] Flat Road. 381 Comment
  CAS-BOT-BC422963  Stylomecon heterophylla Ernest C. Twisselmann 1965-6-4 10991 Kern Sierra Nevada, Greenhorn Range. West slope of Basket Peak 1150 Comment
  CAS-BOT-BC427442  Oligomeris linifolia Ernest C. Twisselmann 1966-4-26 11987 Kern Mojave Desert, Mojave-Randsburg Region. Southeast base of El Paso Mountains, ca. 1.5 miles east of the mouth of Last Chance Canyon. 701 Comment
  CAS-BOT-BC427718  Crassula connata Ernest C. Twisselmann 1955-3-15 1719 Kern Temblor Range and the Western San Joaquin Valley. Buttonwillow Road, 1 mile north of Tupman 91 Comment
  CAS-BOT-BC427723  Crassula connata Ernest C. Twisselmann 1957-3-27 3291 Kern Eastern San Joaquin Valley. Kern Mesa at the foot of White Wolf Grade. 373 Comment
  CAS-BOT-BC428097  Dudleya cymosa subsp. cymosa Ernest C. Twisselmann 1956-5-17 2843 Kern Tehachapi-Kernville Region. Bakersfield Road, 0.5 mile west of Caliente. 420 Comment
  CAS-BOT-BC428392  Dudleya lanceolata Ernest C. Twisselmann 1961-5-23 6265 Kern Tehachapi Mountains. Tejon Ranch: Telephone Road on the ridge east of Grasshopper Flat. 914 Comment
  CAS-BOT-BC43148  Descurainia pinnata subsp. brachycarpa Ernest C. Twisselmann 1955-3-6 1687 Kern Temblor Range and the Western San Joaquin Valley. Rock Corral, mouth of Bitterwater Valley. 304 Comment
  CAS-BOT-BC432215  Lithophragma bolanderi Ernest C. Twisselmann 1962-6-22 7344 Kern Crest of Piute Mountain: Claraville road 0.8 mile south of Saddle Spring. 2141 Comment
  CAS-BOT-BC432217  Lithophragma bolanderi Ernest C. Twisselmann 1965-7-27 11256 Kern Northeast slope Breckenridge Mountain, 0.6 mile east of Breckenridge Public Camp. 2065 Comment
  CAS-BOT-BC433910  Rumex salicifolius Ernest C. Twisselmann 1953-9-23 789 Kern Temblor Range and the Western San Joaquin Valley. Sulfur Spring at the northwest end of Burrio Valley, Annette region Comment
  CAS-BOT-BC434345  Rumex violascens Ernest C. Twisselmann 1953-8-17 715 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough at U.S. 466 Bridge, 2 miles east of Lost Hills 76 Comment
  CAS-BOT-BC434347  Rumex violascens Ernest C. Twisselmann 1954-11-18 1671 Kern Temblor Range and the Western San Joaquin Valley. Antelope Valley: Irrigation Well .6 miles east of Keck's Corner, Western Kern County. 304 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-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-BC434361  Rumex violascens Ernest C. Twisselmann 1965-9-19 11581 Kern San Joaquin Valley, Kern National Wildlife Refuge. Pond near the Refuge headquarters 76 Comment
  CAS-BOT-BC434593  Mirabilis laevis var. crassifolia Ernest C. Twisselmann 1963-6-11 8391 Kern Tehachapi-Kernville Region. Mouth of Kern Canyon. 274 Comment
  CAS-BOT-BC434897  Mirabilis multiflora var. pubescens Ernest C. Twisselmann 1965-5-27 10868 Kern San Joaquin Valley, the Kern County East Side. Poso Station, just west of the Poso Creek bridge. 213 Comment
  CAS-BOT-BC435016  Glinus lotoides Ernest C. Twisselmann 1954-9-26 1586 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough: 1.5 miles north of Tupman 91 Comment
  CAS-BOT-BC435086  Mollugo verticillata Ernest C. Twisselmann 1964-9-16 10221 Kern Lake Isabella flood plain, ca. 2 miles south of Kernville 822 Comment
  CAS-BOT-BC435091  Mollugo verticillata Ernest C. Twisselmann 1959-7-4 5419 Kern Eastern San Joaquin Valley. Rosedale District: Brimhall Road. 121 Comment
  CAS-BOT-BC435397  Lithophragma cymbalaria Ernest C. Twisselmann 1954-5-1 1142 Kern Summit of Temblor Mountains 1005 Comment
  CAS-BOT-BC437176  Lithophragma parviflorum Ernest C. Twisselmann 1958-3-22 4193 Kern Poso Creek Road, 4 miles east of Mon Bluff. 274 Comment
  CAS-BOT-BC437180  Lithophragma parviflorum Ernest C. Twisselmann 1962-4-9 6901 Kern Kern Canyon, about 2 miles west of Isabella. 792 Comment
  CAS-BOT-BC437184  Lithophragma parviflorum Ernest C. Twisselmann 1958-3-22 4193 Kern Poso Creek Road, 4 miles east of Mon Bluff. 274 Comment
  CAS-BOT-BC437188  Lithophragma parviflorum Ernest C. Twisselmann 1957-6-5 3639 Kern Piute Mountains: Bodfish Road, 0.5 mile northwest of Saddle Springs. 2087 Comment
  CAS-BOT-BC438283  Trianthema portulacastrum Ernest C. Twisselmann 1958-9-3 4786 Kern Eastern San Joaquin Valley. Brandt Road at Buttonwillow Highway. 88 Comment
  CAS-BOT-BC438286  Trianthema portulacastrum Ernest C. Twisselmann 1959-8-7 5590 Kern San Joaquin Valley. Alkali plains about 7 miles southwest of Earlimart 83 Comment
  CAS-BOT-BC438291  Trianthema portulacastrum Ernest C. Twisselmann 1958-10-16 4882 Kern Temblor Range and the Western San Joaquin Valley. Goose Lake Road, 0.5 mile south of U.S. 466, (near Semitropic) 97 Comment
  CAS-BOT-BC438388  Calandrinia ciliata Ernest C. Twisselmann 1958-4-17 4331 Kern Mojave Desert, Mojave-Randsburg Region 1005 Comment
  CAS-BOT-BC439179  Claytonia exigua subsp. exigua Ernest C. Twisselmann 1954-4-15 1061 Kern Temblor Range and the Western San Joaquin Valley. Ross Ridge: summit, 11 miles southwest of Blackwell's Corner 944 Comment
  CAS-BOT-BC439484  Claytonia parviflora subsp. parviflora Ernest C. Twisselmann 1955-4-14 1860 Kern Temblor Range and the Western San Joaquin Valley. Messa Ridge, Temblor Mountains 883 Comment
  CAS-BOT-BC439488  Claytonia parviflora subsp. parviflora Ernest C. Twisselmann 1963-5-17 8254 Kern Sierra Nevada, Greenhorn Range. High slope about 1 mile east of Poso Creek Narrows 762 Comment
  CAS-BOT-BC439899  Claytonia perfoliata subsp. intermontana Ernest C. Twisselmann 1962-4-10 6773 Kern Mojave Desert, Mojave-Randsburg Region. Highway 395, 14.9 miles north of Mojave. 701 Comment
  CAS-BOT-BC439900  Claytonia perfoliata subsp. intermontana Ernest C. Twisselmann 1959-5-21 5241 Kern Sierra Nevada, Greenhorn Range. Sandy Creek, west slope of Sunday Peak 1737 Comment
  CAS-BOT-BC439904  Claytonia perfoliata subsp. intermontana Ernest C. Twisselmann 1970-6-26 16844 Kern Sierra Nevada, Kern Plateau. Long Meadow. 2377 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-BC444839  Montia fontana Ernest C. Twisselmann 1966-4-6 11796 Kern Sierra Nevada, Greenhorn Range. Cedar Creek at the Rock Corral 883 Comment
  CAS-BOT-BC445588  Echinodorus berteroi Ernest C. Twisselmann 1958-10-16 4880 Kern Temblor Range and the Western San Joaquin Valley. Taft Highway, 0.25 mile west of the Tupman-Buttonwillow Road 88 Comment
  CAS-BOT-BC44839  Arctostaphylos pungens Ernest C. Twisselmann 1956-5-3 2745 Kern Brush Mountain, San Emigdio Range 1737 Comment
  CAS-BOT-BC45043  Diplacus pictus Ernest C. Twisselmann 1965-4-26 10594 Kern Greenhorn Range, Granite Road, near the old Granite School 807 Comment
  CAS-BOT-BC45045  Diplacus pictus Ernest C. Twisselmann 1965-4-26 10594 Kern Greenhorn Range, Granite Road, near the old Granite School 807 Comment
  CAS-BOT-BC45300  Ancistrocarphus filagineus Ernest C. Twisselmann 1964-5-26 9513 Kern Tehachapi-Kernville Region. Back Canyon, just below the cypress grove. 1219 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-BC453325  Aphanes occidentalis Ernest C. Twisselmann 1965-4-21 10579 Kern Tejon Canyon 1013 Comment
  CAS-BOT-BC453327  Aphanes occidentalis Ernest C. Twisselmann 1962-4-19 6992 Kern Woody Road, 6.1 miles west of Glennville 807 Comment
  CAS-BOT-BC453939  Potamogeton pectinatus Ernest C. Twisselmann 1961-10-5 6593 Kern Eastern San Joaquin Valley. Lake Ming (northeast of Bakersfield). 198 Comment
  CAS-BOT-BC454101  Ruppia cirrhosa Ernest C. Twisselmann 1964-7-17 9740 Kern Tehachapi Mountains. Castaic Lake. 1051 Comment
  CAS-BOT-BC454233  Zannichellia palustris Ernest C. Twisselmann 1965-9-19 11570 Kern San Joaquin Valley, Kern National Wildlife Refuge. Canal at the south side of the Refuge. 65 Comment
  CAS-BOT-BC454236  Zannichellia palustris Ernest C. Twisselmann 1963-8-8 8859 Kern Tehachapi Mountains. Tejon Pass: vernal pool 0.5 mile west of White Oak Lodge. 1524 Comment
  CAS-BOT-BC462748  Pyrola dentata Ernest C. Twisselmann; Jack Zaninovich 1971-7-13 17988 Kern Sierra Nevada: Kern Plateau. Rim of the Kern Plateau SW of Pine Flat 2240 Comment
  CAS-BOT-BC465463  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-BC465466  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-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-BC466294  Pterospora andromedea Ernest C. Twisselmann 1964-7-23 9790 Kern Sierra Nevada: Greenhorn Range. Saddle between Cane Peak & Black Mountain 2011 Comment
  CAS-BOT-BC466330  Sarcodes sanguinea Ernest C. Twisselmann 1971-7-15 17906 Kern Sierra Nevada: Kern Plateau. South fork of the head of Bartolas Creek 1981 Comment
  CAS-BOT-BC466747  Allium crispum Ernest C. Twisselmann 1956-4-23 2717 Kern Summit of Orchard Peak (Antelope Mountain, western Kern County 944 Comment
  CAS-BOT-BC468948  Allium denticulatum Ernest C. Twisselmann 1957-5-10 3505 Kern East fork of Red Rock Canyon. 701 Comment
  CAS-BOT-BC468960  Allium diabolense Ernest C. Twisselmann 1962-5-25 7200 Kern Hill just north of Toad Spring, head of Quatal Canyon, San Emigdio Range, Mt. Pinos Region 1737 Comment
  CAS-BOT-BC469328  Allium fimbriatum var. fimbriatum Ernest C. Twisselmann 1957-6-25 3798 Kern Summit of Mt. Pinos 2690 Comment
  CAS-BOT-BC469391  Allium fimbriatum subsp. mohavense Ernest C. Twisselmann 1957-5-10 3492 Kern Indian Wells Valley: Highway 6; 2.5 miles south of Hart's place, Mohave- Randsburg Region 975 Comment
  CAS-BOT-BC471085  Allium lacunosum var. lacunosum Ernest C. Twisselmann 1958-5-6 4428 Kern El Paso Mountains: Black Mountain road, 0.2 mile east of Gerbracht's Camp 1219 Comment
  CAS-BOT-BC472018  Allium lacunosum var. davisiae Ernest C. Twisselmann 1965-6-4 10973 Kern Woodard Spring fire road 0.5 mile south of Wagy Flat Road 1356 Comment
  CAS-BOT-BC472817  Allium obtusum Ernest C. Twisselmann; Jack Zaninovich 1971-7-31 17997 Kern Rim of the Kern Plateau southwest of Pine Flat 2176 Comment
  CAS-BOT-BC473040  Chenopodium atrovirens Ernest C. Twisselmann 1959-7-4 5429 Kern Eastern San Joaquin Valley. Kern River: canal about 0.75 mi S of China Grade Bridge, Bakersfield 129 Comment
  CAS-BOT-BC476914  Asteraceae Ernest C. Twisselmann 1969-5-21 15336 Kern Ridge east of the Freeway bridge. 792 Comment
  CAS-BOT-BC478534  Asparagus officinalis Ernest C. Twisselmann 1958-11-3 4759 Kern Kern River: 2.2 miles west of Stockdale Country Club. 114 Comment
  CAS-BOT-BC483392  Calochortus invenustus Ernest C. Twisselmann 1965-7-6 11145 Kern Summit of Tehachapi Peak, Tehachapi Mountains 2430 Comment
  CAS-BOT-BC483689  Dichelostemma capitatum Ernest C. Twisselmann 1956-3-26 2596 Kern San Emigdio Plain, near the mouth of Santiago Canyon, San Emigdio Range 481 Comment
  CAS-BOT-BC483690  Dichelostemma capitatum Ernest C. Twisselmann 1956-3-26 2596 Kern San Emigdio Plain, near the mouth of Santiago Canyon, San Emigdio Range 481 Comment
  CAS-BOT-BC492089  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, Eastern San Joaquin Valley 251 Comment
  CAS-BOT-BC492090  Brodiaea terrestris subsp. kernensis Ernest C. Twisselmann 1969-4-19 15140 Kern Comanche Hills along Tejon Creek, 1 mile above its mouth, San Joaquin Valley, 335 Comment
  CAS-BOT-BC492098  Brodiaea terrestris subsp. kernensis Ernest C. Twisselmann 1958-5-6 4396 Kern Keene Turnoff, Highway U.S. 466, Tehachapi-Kernville Region 829 Comment
  CAS-BOT-BC493358  Calochortus superbus Ernest C. Twisselmann 1961-5-4 6054 Kern Famosa Road, 4.1 miles west of Woody, Eastern San Joaquin Valley 297 Comment
  CAS-BOT-BC494072  Calochortus venustus Ernest C. Twisselmann 1965-6-4 11004 Kern Flowering Plants of the Sierra Nevada, The Greenhorn Range, Basket pass Road, 0.5 miles east of Cedar Creek 883 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-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-BC499709  Orobanche californica subsp. feudgei Ernest C. Twisselmann 1966-5-10 12114 Kern Tehachapi-Kernville Region: Piute Mountains: W end of King Solomon's Ridge 1524 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-BC500268  Orobanche uniflora Ernest C. Twisselmann 1961-5-23 6177 Kern Tehachapi Mountains: El Paso Canyon, 0.5 mi below the Meadows Place 1066 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-BC508614  Muilla maritima Ernest C. Twisselmann 1952-3-13 113 Kern New Well wash, 6 miles southwest of Blackwells Corner, Antelope Plains, Temblor Range and the Western San Joaquin Valley Comment
  CAS-BOT-BC514607  Eriastrum pluriflorum subsp. albifaux Ernest C. Twisselmann 1969-5-21 15577 Kern Mojave Desert, Red Rock Canyon, head of Tarweed Creek 762 Comment
  CAS-BOT-BC515193  Eriastrum tracyi Ernest C. Twisselmann 1963-6-11 8473 Kern Sierra Nevada: Greenhorn Range. Greenhorn Pass Road, 3.3 mi W of Wofford 1264 Comment
  CAS-BOT-BC522141  Triteleia ixioides subsp. scabra Ernest C. Twisselmann 1962-4-19 7016 Kern Hill just northwest of the mouth of Adobe Canyon, Poso Hills, San Joaquin Valley 243 Comment
  CAS-BOT-BC523835  Gilia modocensis Ernest C. Twisselmann 1957-6-5 3651 Kern Tehachapi-Kernville region: Piute Mountain--Walker Basin Road, 0.8 mi W of the National Foret boundary 1813 Comment
  CAS-BOT-BC523837  Gilia modocensis Ernest C. Twisselmann 1961-6-22 6301 Kern San Emigdio Range and the Mt. Pinos region: Cuddy Valley, 2.6 mi W of Cuddy Valley Store 1661 Comment
  CAS-BOT-BC526421  Triteleia laxa Ernest C. Twisselmann 1958-5-27 4478 Kern Wagy Flat Road, 7.6 miles east of the summit 1249 Comment
  CAS-BOT-BC534643  Lemna minuta Ernest C. Twisselmann 1957-8-13 3977 Kern Tehachapi-Kernville Region, Tehachapi Road, 0.9 mile west of Oak Creek Pass. Upper Sonoran Grassland. Shandon, California. 1341 Comment
  CAS-BOT-BC536104  Drymocallis glandulosa var. reflexa Ernest C. Twisselmann 1955-6-23 2208 Kern San Emigdio Creek, 3.8 miles east of Apache Gap, San Emigdio Range 1615 Comment
  CAS-BOT-BC536108  Drymocallis glandulosa var. reflexa Ernest C. Twisselmann 1966-6-25 12444 Kern Bartolas Creek, near its summit, Greenhorn Range, Sierra Nevada 2087 Comment
  CAS-BOT-BC536337  Potentilla biennis Ernest C. Twisselmann 1966-7-13 12610 Kern Cienega below Iris Point, Mt. Pinos, San Emigdio Range and the Mt. Pinos Region 2468 Comment
  CAS-BOT-BC540534  Potentilla gracilis var. fastigiata Ernest C. Twisselmann 1962-6-22 7315 Kern Weldon Meadow, Piute Mountains, Tehachapi-Kernville Region 2087 Comment
  CAS-BOT-BC540538  Potentilla gracilis var. fastigiata Ernest C. Twisselmann 1962-6-1 7267 Kern Southwest end of Cummings Valley, Tehachapi Mountains 1150 Comment
  CAS-BOT-BC56821  Opuntia basilaris var. treleasei Ernest C. Twisselmann 1956-7-17 3096 Kern Field redacted by CAS, contact the data manager for more information 274 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-BC57925  Equisetum X ferrissii Ernest C. Twisselmann 1961-10-5 6626 Kern Kern River at Hart Memorial Park. 152 Comment
  CAS-BOT-BC57944  Equisetum arvense Ernest C. Twisselmann 1962-9-20 7893 Kern Shirley Meadows. 1981 Comment
  CAS-BOT-BC57946  Equisetum arvense Ernest C. Twisselmann 1962-9-20 6500 Kern Shirley Meadows, The Greenhorn Range. 1981 Comment
  CAS-BOT-BC58097  Opuntia basilaris var. basilaris Ernest C. Twisselmann 1956-5-17 2804 Kern Field redacted by CAS, contact the data manager for more information 1112 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-BC62019  Selaginella bigelovii Ernest C. Twisselmann 1964-5-7 9395 Kern Tehachapi Canyon, 1.5 miles east of Keene 883 Comment
  CAS-BOT-BC65737  Argyrochosma jonesii Ernest C. Twisselmann 1963-6-11 8445 Kern Erskine Canyon: Limestone cliffs 3.1 miles south of Highway 178, Piute Mountains 883 Comment
  CAS-BOT-BC67422  Tropidocarpum gracile Ernest C. Twisselmann 1956-3-16 2543 Kern Mojave Desert. The Mojave-Randsburg Region. 9.5 miles northeast of Mojave. 784 Comment
  CAS-BOT-BC67427  Tropidocarpum gracile Ernest C. Twisselmann 1962-4-11 6920 Kern Tehachapi-Kernville Region. Mesa west of Red Rock Canyon. 914 Comment
  CAS-BOT-BC67742  Pellaea andromedifolia Ernest C. Twisselmann 1954-3-26 925 Kern Temblor Range and the Western San Joaquin Valley - Antelope Valley, Annette Road: 1/4 mile west of U.S. 466 388 Comment
  CAS-BOT-BC67744  Pellaea andromedifolia Ernest C. Twisselmann 1957-3-27 3273 Kern Tehachapi-Kernville Region - Tehachapi Mountains: Horsetheif Flat Road 624 Comment
  CAS-BOT-BC67747  Pellaea andromedifolia Ernest C. Twisselmann 1961-5-23 6165 Kern Tehachapi-Kernville Region - Tejon Ranch: El Paso Canyon, about 0.5 mile below the Meadows Place. 1066 Comment
  CAS-BOT-BC67958  Cystopteris fragilis Ernest C. Twisselmann 1961-5-23 6166 Kern Tehachapi Mountains - Tejon Ranch - El Paso Canyon, about 0.5 mile below the Meadows Place. 1066 Comment
  CAS-BOT-BC70363  Cheilanthes viscida Ernest C. Twisselmann 1966-4-20 11985 Kern Mouth of Last Chance Canyon, El Paso Range 723 Comment
  CAS-BOT-BC70879  Dryopteris arguta Ernest C. Twisselmann 1961-5-4 6060 Kern Greenhorn Pass Road, 8.6 miles east of Glennville 1158 Comment
  CAS-BOT-BC70880  Dryopteris arguta Ernest C. Twisselmann 1961-5-4 6060 Kern Greenhorn Pass Road, 8.6 miles east of Glennville 1158 Comment
  CAS-BOT-BC70888  Dryopteris arguta Ernest C. Twisselmann 1961-5-23 6146 Kern El Paso Canyon, Tejon Ranch 1066 Comment
  CAS-BOT-BC70890  Dryopteris arguta Ernest C. Twisselmann 1961-5-23 6161 Kern Tejon Ranch: El Paso Canyon, about 0.5 mile below the Meadows Place 1066 Comment
  CAS-BOT-BC71314  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-BC71633  Pentagramma triangularis subsp. triangularis Ernest C. Twisselmann 1962-4-19 6987 Kern Woody Road, 7.1 miles west of Glennville 838 Comment
  CAS-BOT-BC71660  Pentagramma triangularis subsp. triangularis Ernest C. Twisselmann 1963-6-11 8405 Kern Kern Canyon at the mouth of Cow Flat Creek 518 Comment
  CAS-BOT-BC72569  Pteridium aquilinum Ernest C. Twisselmann 1957-9-19 4048 Kern Shirley Meadows 2103 Comment
  CAS-BOT-BC74820  Rorippa palustris var. palustris Ernest C. Twisselmann 1954-9-26 1585 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Slough. 1.5 mile north of Tupman. 91 Comment
  CAS-BOT-BC74946  Sinapis arvensis Ernest C. Twisselmann 1957-5-22 3544 Kern Temblor Range and the Western San Joaquin Valley. Little Santa Maria Valley, 5 miles west of McKittrick. 586 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-BC75388  Sisymbrium orientale Ernest C. Twisselmann 1961-6-6 6272 Kern Temblor Range and the Western San Joaquin Valley. Choice Valley Road, 0.5 mile north of Choice Valley School. 563 Comment
  CAS-BOT-BC75390  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-BC7624  Schoenoplectus americanus Ernest C. Twisselmann 1966-4-12 11902 Kern The east fork of Red Rock Canyon, El Paso Range. 822 Comment
  CAS-BOT-BC76437  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-BC82154  Arnica chamissonis Ernest C. Twisselmann 1956-9-20 3195 Kern Piute Mountains: Brown Meadow 2301 Comment
  CAS-BOT-BC84658  Anthemis cotula Ernest C. Twisselmann 1965-8-20 11547 Kern French Ranch on Rattlesnake Grade 1371 Comment
  CAS-BOT-BC84843  Artemisia douglasiana Ernest C. Twisselmann 1953-8-17 708 Kern Temblor Range and the Western San Joaquin Valley - Buena Vista Slogh: 5 miles southeast of Lost Hills 76 Comment
  CAS-BOT-BC88350  Thysanocarpus curvipes Ernest C. Twisselmann 1961-5-23 6139 Kern Tehachapi Mountains. Tejon Ranch. Rising Canyon. 1097 Comment
  CAS-BOT-BC88351  Thysanocarpus curvipes Ernest C. Twisselmann 1961-5-23 6139 Kern Tehachapi Mountains. Tejon Ranch. Rising Canyon. 1097 Comment
  CAS-BOT-BC88369  Thysanocarpus curvipes Ernest C. Twisselmann 1962-4-18 6969 Kern Tehachapi Mountains. Tejon Ranch. Haberkern Ranch road, 0.5 mile south of Dry Field Corral. 1249 Comment
  CAS-BOT-BC88709  Lepidium acutidens Ernest C. Twisselmann 1955-11-29 2500 Kern Temblor Range and the Western San Joaquin Valley. Kernell Road 13.3 miles west of Delano. 60 Comment
  CAS-BOT-BC88914  Lepidium densiflorum var. densiflorum Ernest C. Twisselmann 1962-7-18 7435 Kern Sierra Nevada. The Greenhorn Range. Fulton Creek on the Greenhorn Road, just above the Fulton Ranger Station. 1173 Comment
  CAS-BOT-BC88971  Lepidium dictyotum Ernest C. Twisselmann 1954-3-3 854 Kern Temblor Range and the Western San Joaquin Valley. Six miles north of Lost Hills. 106 Comment
  CAS-BOT-BC89398  Lepidium fremontii Ernest C. Twisselmann 1958-4-24 4349 Kern Mojave-Randsburg Region. Mojave Desert. Last Chance Canyon. Just above the old Cudahy Camp. 731 Comment
  CAS-BOT-BC89913  Lepidium nitidum Ernest C. Twisselmann 1957-3-22 3265 Kern Temblor Range and the Western San Joaquin Valley. University Test Plot, 2 miles west of Lost Hills. 137 Comment
  CAS-BOT-BC91688  Platystemon californicus Ernest C. Twisselmann 1956-5-17 2820 Kern Tehachapi-Kernville Region. Piute Mountains: Foot of Harris Grade. 1295 Comment
  CAS-BOT-BC91690  Platystemon californicus Ernest C. Twisselmann 1956-7-17 3069 Kern Tehachapi-Kernville Region. Piute Mountains: Geringer Grade. 1691 Comment
  CAS-BOT-BC91698  Platystemon californicus Ernest C. Twisselmann 1961-5-23 6141 Kern Tehachapi Mountains. Tejon Ranch. Rising Canyon. 1097 Comment
  CAS-BOT-BC91719  Platystemon californicus Ernest C. Twisselmann 1966-5-20 12314 Kern Tehachapi-Kernville Region. Slop northwest of Tollgate Lookout. 1615 Comment
  CAS-BOT-BC97930  Symphyotrichum frondosum Ernest C. Twisselmann 1964-8-22 10162 Kern Monolith 1200 Comment
  CAS-BOT-BC97931  Symphyotrichum frondosum Ernest C. Twisselmann 1964-8-22 10162 Kern Monolith 1200 Comment
  CAS-BOT-BC98338  Symphyotrichum subulatum var. parviflorum Ernest C. Twisselmann 1957-9-19 4050 Kern Tehachapi-Kernville Region - Cottage Grove Cemetery, 1.1 mile east of Onyx 853 Comment
  CAS-BOT-BC99127  Symphyotrichum chilense Ernest C. Twisselmann 1956-9-14 3169 Kern San Emigdio Range - Castaic Valley, 0.5 mile west of Lebec on Highway U.S. 99 1066 Comment
  CAS-BOT-BC99994  Balsamorhiza deltoidea Ernest C. Twisselmann 1961-5-24 6261 Kern Tejon Ranch: near the summit of Giegis Ridge 1463 Comment
  CAS-BOT-BC99996  Balsamorhiza deltoidea Ernest C. Twisselmann 1956-5-3 2746 Kern Mt. Abel Road near Vale Vista Public Camp 1524 Comment
  CDA3132  Chenopodium strictum E. C. Twisselmann 1959-8-7 5777 Kern Eastern San Joaquin Valley; Sherwood Road 0.8 mile east of McFarland. Comment
  CDA3576  Papaver hybridum E. C. Twisselmann 1962-4-8 6770 Kern Lower Sonoran Grassland; Antelope Valley, western Kern County. Comment
  CHSC117097  Phacelia purpusii Ernest C. Twisselmann 1964-7-23 9787 Kern Saddle between Cane Peak and Black Mountain. 1844 Comment
  JEPS27696  Mimulus primuloides subsp. primuloides Ernest C. Twisselmann 1961-6-22 6348 Kern cienega at the head Bitter Creek; San Emigdio Range, Mt. Pinos 2560 Comment
  JEPS27702  Agoseris retrorsa Ernest C. Twisselmann 1961-5-24 6231 Kern Tejon Ranch; Tehachapi Mountains, Bear Trap Canyon, Monroe Spring 1645 Comment
  JEPS31098  Helianthus annuus Ernest C. Twisselmann 1961-10-5 6597 Kern Hart Memorial Park eastern San Joaquin Valley 152 Comment
  JEPS31238  Achyrachaena mollis Ernest C. Twisselmann 1962-5-1 7031 Kern just e of the summit McGovern Grade; Western San Joaquin Valley, Temblor Range 320 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
  JEPS33475  Almutaster pauciflorus Ernest C. Twisselmann 1963-8-30 8892 Kern below Isabella; Tehachapi-Kernville Region, Scovern Hot Springs 762 Comment
  JEPS36069  Pyrrocoma racemosa var. paniculata Ernest C. Twisselmann 1964-8-20 10069 Kern Isabella Tehachapi-Kernville Region 762 Comment
  JEPS36089  Helenium bigelovii Ernest C. Twisselmann 1964-7-23 9830 Kern seep just n Tiger Flat; Sierra Nevada, Greenhorn Range 2042 Comment
  JEPS36114  Collinsia heterophylla Ernest C. Twisselmann 1964-5-15 9404 Kern e slope Blue Mtn; Sierra Nevada, Greenhorn Range, Blue Mtn 914 Comment
  JEPS36194  Xanthium spinosum Ernest C. Twisselmann 1964-7-17 9754 Kern Bear Trap Road at Lake Road Gate (mouth of Bear Trap Canyon); Tehachapi Mountains, Tejon Ranch 1059 Comment
  JEPS37897  Plectritis macrocera Ernest C. Twisselmann 1964-5-26 9499 Kern Tehachapi-Kernville Region, s end of Piute Montains, south fork of upper Black Canyon Black Canyon; Tehachapi-Kernville Region, Piute Montains, Black Canyon 1158 Comment
  JEPS41272  Downingia cuspidata Ernest C. Twisselmann 1965-5-27 10870 Kern nw end Lynns Valley (along Fugitt Road); Sierra Nevada, Greenhorn Range 914 Comment
  JEPS41308  Lasthenia gracilis Ernest C. Twisselmann 1965-4-14 10547 Kern 99 Comment
  JEPS51949  Symphyotrichum subulatum Ernest C. Twisselmann 1961-8-21 6523 Kern Hart Memorial Park Eastern San Joaquin Valley, Kern River 152 Comment
  JEPS52020  Lagophylla ramosissima Ernest C. Twisselmann 1965-7-6 11157 Kern Highline Road at Water Canyon Road; Tehachapi Mountains 1386 Comment
  JEPS52093  Scrophularia californica subsp. floribunda Ernest C. Twisselmann 1965-4-21 10567 Kern mouth of El Paso Canyon; Tehachapi Mts 541 Comment
  JEPS52095  Achyrachaena mollis Ernest C. Twisselmann 1965-4-14 52095 Kern near foot of Rattlesnake Grade; Sierra Nevada, Greenhorn Range 624 Comment
  JEPS52183  Symphyotrichum bracteolatum Ernest C. Twisselmann 1966-8-26 12736 Kern White River Road at Fugitt Road Greenhorn Range 853 Comment
  JEPS52235  Galium trifidum var. pacificum Ernest C. Twisselmann 1966-6-23 12401 Kern cienega below Mountain Meadow (e slope of peak); Sierra Nevada, Greenhorn Range, Sunday Peak 2179 Comment
  JEPS88690  Uropappus lindleyi Ernest C. Twisselmann 1958-4-12 4225 Kern 1.3 mi n Poso Creek; Eastern San Joaquin Valley, Granite Creek Canyon 304 Comment
  OBI78495  Plectritis ciliosa Ernest C. Twisselmann 1953-4-3 503 Kern Temblor Range and Western San Joaquin Valley. Blue Cyn: Temblor Mts 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
  RSA0017235  Gilia ochroleuca subsp. ochroleuca E. C. Twisselmann 1962-4-11 6914 Kern Kelso Canyon about 12 miles south of Weldon. 945 Comment
  RSA0057535  Thysanocarpus curvipes subsp. longistylus Ernest C. Twisselmann 1966-4-6 11792 Kern Swale at the northeast end of Cedar Creek gorge. 876 Comment
  RSA0070833  Heterotheca echioides E. C. Twisselmann 1965-9-25 11617 Kern Bitterwater Road, 0.25 mile northwest of the Choice Valley School. 610 Comment
  RSA0081650  Lithophragma parviflorum var. parviflorum Ernest C. Twisselmann 1961-5-23 6176 Kern El Paso Canyon, 1 mile above Meadows Place. 1143 Comment
  RSA0082507  Caulanthus coulteri Ernest C. Twisselmann 1961-5-24 6228 Kern Tejon Ranch: Purdy Ridge. 1584 Comment
  RSA0082510  Tropidocarpum gracile Ernest C. Twisselmann 1961-5-23 6132 Kern Tejon Ranch: Telephone Road at the head of Monroe Canyon. 1341 Comment
  RSA0082525  Cynodon dactylon Ernest C. Twisselmann 1965-4-21 10566 Kern Mouth of El Paso Canyon. 541 Comment
  RSA0082536  Euphorbia serpillifolia subsp. serpillifolia Ernest C. Twisselmann 1963-8-8 8844 Kern Cienegas near the head of Tejon Creek. 1615 Comment
  RSA0082542  Amsinckia intermedia Ernest C. Twisselmann 1965-6-24 11082 Kern Telephone Road north of Rising Canyon, Tejon Ranch. 1028 Comment
  RSA0082543  Polypogon monspeliensis Ernest C. Twisselmann 1965-6-24 11096 Kern Castaic lake, Tejon Ranch. 1051 Comment
  RSA0082548  Deinandra pallida Ernest C. Twisselmann 1963-4-12 8030 Kern Mesa on the south side of the mouth of Tejon Creek. 220 Comment
  RSA0082612  Urtica urens Ernest C. Twisselmann 1963-4-12 8036 Kern Tejon Creek ca. 3 miles above the mouth of Tejon Canyon. 274 Comment
  RSA0082613  Phacelia egena Ernest C. Twisselmann 1961-5-24 6251 Kern Near summit of Giegis ridge. 1767 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
  RSA0082621  Descurainia pinnata subsp. brachycarpa Ernest C. Twisselmann 1962-6-21 7407 Kern Tejon Ranch: Tunis Ridge. 1066 Comment
  RSA0082624  Holocarpha heermannii Ernest C. Twisselmann 1965-6-24 11089 Kern Ridge above Grasshopper Flat, Tejon Ranch. 800 Comment
  RSA0082629  Cardamine californica Ernest C. Twisselmann 1962-4-18 6964 Kern Tejon Ranch: upper forks of Palos Altos Canyon. 1310 Comment
  RSA0082636  Pseudognaphalium stramineum Ernest C. Twisselmann 1963-8-8 8847 Kern Cienegas near the head of Tejon Creek. 1615 Comment
  RSA0082640  Symphoricarpos rotundifolius var. parishii Ernest C. Twisselmann 1962-6-21 7378 Kern Tejon Ranch: Winter's Ridge. 1524 Comment
  RSA0082662  Eriogonum baileyi var. baileyi Ernest C. Twisselmann 1963-8-8 8854 Kern Tejon Canyon. 1036 Comment
  RSA0082663  Ranunculus aquatilis var. aquatilis Ernest C. Twisselmann 1963-8-8 8858 Kern Tejon Pass: vernal pool 0.5 mile west of White Oak Lodge. 1524 Comment
  RSA0082668  Mentzelia dispersa Ernest C. Twisselmann 1965-6-23 11055 Kern High ridge east of Purdy Canyon, Tejon Ranch. 1981 Comment
  RSA0082671  Dryopteris arguta Ernest C. Twisselmann 1965-4-21 10583 Kern Tejon Canyon. 1013 Comment
  RSA0082674  Trifolium wormskioldii Ernest C. Twisselmann 1964-7-17 9731 Kern South side of Castaic Lake. 1051 Comment
  RSA0082679  Layia glandulosa Ernest C. Twisselmann 1961-5-24 6230 Kern Tejon Ranch: Monroe Spring, Bear Trap Canyon. 1645 Comment
  RSA0082686  Melica imperfecta Ernest C. Twisselmann 1961-5-23 6156 Kern El Paso Canyon, 1.5 mile above meadows place. 1097 Comment
  RSA0082692  Acmispon glaber var. glaber Ernest C. Twisselmann 1965-6-24 11092 Kern Ridge North of Beartrap Canyon, Tejon Ranch. 914 Comment
  RSA0082693  Scutellaria siphocampyloides Ernest C. Twisselmann 1965-6-24 11086 Kern Telephone Road north of Rising Canyon, Tejon Ranch. 1034 Comment
  RSA0082698  Festuca myuros Ernest C. Twisselmann 1961-5-24 6267 Kern Camel Spring, Rising Canyon. 1188 Comment
  RSA0082702  Nicotiana quadrivalvis Ernest C. Twisselmann 1965-6-24 11087 Kern Telephone Road north of Rising Canyon, Tejon Ranch. 1034 Comment
  RSA0082703  Prunus emarginata Ernest C. Twisselmann 1961-5-24 6204 Kern Tejon Ranch: ridge southwest of Catskin Creek. 1859 Comment
  RSA0082708  Madia gracilis Ernest C. Twisselmann 1965-6-21 7404 Kern Tejon Ranch: Tunis Ridge. 1066 Comment
  RSA0082717  Distichlis spicata Ernest C. Twisselmann 1964-7-17 9730 Kern South side of Castaic Lake. 1051 Comment
  RSA0082726  Chaenactis xantiana Ernest C. Twisselmann 1961-5-23 6144 Kern Rising Canyon. 1097 Comment
  RSA0082731  Yabea microcarpa Ernest C. Twisselmann 1961-5-23 6159 Kern Tejon Ranch: El Paso Canyon, about 1.5 miles above the Meadows Place. 1097 Comment
  RSA0082734  Astragalus purshii var. tinctus Ernest C. Twisselmann 1961-5-24 6245 Kern Tejon Ranch: upper end of Lopez Flats. 1676 Comment
  RSA0082739  Trifolium willdenovii Ernest C. Twisselmann 1961-5-24 6259 Kern Giegis Ridge, Tejon Ranch. 1463 Comment
  RSA0082747  Solanum umbelliferum Ernest C. Twisselmann 1961-5-23 6149 Kern El Paso Canyon, 1.75 mile above the Meadows Place. 1127 Comment
  RSA0082751  Nemophila parviflora var. quercifolia Ernest C. Twisselmann 1962-6-21 7383 Kern Tejon Ranch: Winter's Ridge. 1767 Comment
  RSA0082754  Stachys albens Ernest C. Twisselmann 1964-7-17 9764 Kern Cienega below fort Tejon. 944 Comment
  RSA0082759  Helenium puberulum Ernest C. Twisselmann 1964-7-17 9763 Kern Cienega below fort Tejon. 944 Comment
  RSA0082784  Lotus corniculatus Ernest C. Twisselmann 1965-6-24 11095 Kern Castaic lake, Tejon Ranch. 1051 Comment
  RSA0082785  Tauschia hartwegii Ernest C. Twisselmann 1962-6-21 7393 Kern Tejon Ranch: Tunis Ridge. 1432 Comment
  RSA0083007  Allophyllum gilioides subsp. violaceum Ernest C. Twisselmann 1961-5-23 6148 Kern El Paso Canyon, 1.5 miles above the Meadows Place. 1097 Comment
  RSA0083010  Lepidium virginicum subsp. menziesii Ernest C. Twisselmann 1963-8-8 8843 Kern Cienegas near the head of Tejon Creek. 1615 Comment
  RSA0086408  Salix lasiolepis E. C. Twisselmann 1963-8-8 8840 Kern Tehachapi Mountains. Cienegas near the head of Tejon Creek. 1616 Comment
  RSA0086431  Sanicula graveolens Ernest C. Twisselmann 1961-5-24 6233 Kern Tehachapi Mountains, Tejon Ranch: Monroe Spring, Bear Trap Canyon. 1646 Comment
  RSA0089983  Amsinckia helleri E. C. Twisselmann 1954-4-17 1088 Kern Temblor Grade, 6 mi. w. of Mc Kittsick. 762 Comment
  RSA0090929  Amsinckia intermedia var. eastwoodiae E. C. Twisselmann 1965-6-4 11002 Kern Cedar Creek at the Stone Corral 854 Comment
  RSA0093991  Allophyllum gilioides subsp. gilioides E. C. Twisselmann 1961-5-23 6148 Kern Tejon Ranch: El Paso Canyon, about 1.5 mile above the Meadows Place. 1098 Comment
  RSA0093994  Sanicula bipinnata E. C. Twisselmann 1965-3-21 10560 Kern mouth of El Paso Canyon. 541 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
  RSA0107779  Eriastrum densifolium subsp. elongatum E. C. Twisselmann 1965-6-18 11022 Kern San Emigdio Range, Pleito Ridge. 1143 Comment
  RSA115503  Eriogonum baileyi var. baileyi E. C. Twisselmann 1955-10-21 2485 Kern Havilah canyon, 1mile south of Havilah. 1046 Comment
  RSA115566  Eriogonum brachypodum E. C. Twisselmann 1955-9-16 2405 Kern El Paso Mountains flood plain, .8 mile east of Garlock Siding. 610 Comment
  RSA115569  Eriogonum baileyi var. baileyi E. C. Twisselmann 1955-9-16 2412 Kern Walker Pass: 1 mile west of the summit. 1524 Comment
  RSA115619  Cuscuta salina E. C. Twisselmann 1955-6-4 2078 Kern Goose Lake alkaline sink 58 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
  RSA119052  Allophyllum violaceum E. C. Twisselmann 1957-8-13 3984 Kern Tehachapi Mountains: trail to Double Mountain. 2073 Comment
  RSA162518  Spergularia macrotheca E. C. Twisselmann 1963-6-11 8449 Kern Scovern Hot Springs, below Isabella. 762 Comment
  RSA162571  Mirabilis laevis var. crassifolia E. C. Twisselmann 1963-6-11 8391 Kern Mouth of Kern Canyon. 274 Comment
  RSA164101  Ficus carica E. C. Twisselmann 1963-8-30 8945 Kern Oiler Canyon, 4.2 miles N of Caliente 671 Comment
  RSA164123  Solanum elaeagnifolium E. C. Twisselmann 1963-11-10 9088 Kern Devils Den Region: Twisselmann Rd. 1.5 mi. west of Highway 33. 91 Comment
  RSA164145  Tragopogon pratensis E. C. Twisselmann 1963-6-27 8533 Kern Pettitt Meadow, possibly escaped from a residence abandoned along ago. the only presently known Kern County station 1448 Comment
  RSA169146  Astragalus douglasii E. C. Twisselmann 1964-6-21 9629 Kern Summit of the east flank of Bear Mountain. 1982 Comment
  RSA169149  Nasturtium officinale E. C. Twisselmann 1964-5-6 9327 Kern Alphie Spring in a fork of Jawbone Canyon 1082 Comment
  RSA169159  Calystegia occidentalis var. tomentella E. C. Twisselmann 1964-7-23 9777 Kern Summit Road, 0.5 mile north of Greenhorn summit Store. 1837 Comment
  RSA169223  Ranunculus hebecarpus E. C. Twisselmann 1964-4-25 9251 Kern Howling Gulch, 3 miles SE of Woody 762 Comment
  RSA172672  Cyperus odoratus Ernest C. Twisselmann 1964-9-29 10224 Kern Goose Lake Canal. 76 Comment
  RSA172756  Oryza sativa E. C. Twisselmann 1964-9-29 10282 Kern Kern National Wildlife Refuge 76 Comment
  RSA179927  Orthocarpus linearilobus E. C. Twisselmann 1965-4-21 10562 Kern Mouth of El Paso Canyon 541 Comment
  RSA179957  Urtica urens E. C. Twisselmann 1965-4-14 10533 Kern Rancheria Creek at the foot of Rattlesnake Grade. Growing in a dense colony in moist loam on a flat along the creek; occaional in similar places in the region. Douglas oak woodland. 640 Comment
  RSA180023  Pediomelum californicum E. C. Twisselmann 1965-6-3 10943 Kern East of Bodfish Gap (NW end of Piute Mountain) 1235 Comment
  RSA180048  Layia pentachaeta E. C. Twisselmann 1965-4-14 10519 Kern W slope of Breckenridge Mtn. 777 Comment
  RSA180606  Gilia brecciarum subsp. brecciarum E. C. Twisselmann 1963-6-11 8440 Kern Erskine Canyon, Puite Mountains. 945 Comment
  RSA180625  Gilia tetrabreccia E. C. Twisselmann 1964-6-10 9552 Kern Along ridgetop in pinyon woodland. 1951 Comment
  RSA180888  Phacelia ramosissima var. latifolia E. C. Twisselmann 1965-7-27 11238 Kern Swale at the head of Mill Creek on the north slope of Brecken