Search Results — 339 specimen records retrieved (248 records with coordinates)
Results for search: County=LOS ANGELES; Source=All; Collector=Twisselmann;   
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC100026  Balsamorhiza deltoidea Ernest C. Twisselmann 1959-6-2 5319 Los Angeles Summit of Liebre Mountain 1638 Comment
  CAS-BOT-BC100029  Balsamorhiza deltoidea Ernest C. Twisselmann 1959-6-2 5319 Los Angeles Summit of Liebre Mountain 1638 Comment
  CAS-BOT-BC100403  Brickellia californica Ernest C. Twisselmann 1961-10-31 6676 Los Angeles Pine Canyon at Pine Canyon Guard Station 1066 Comment
  CAS-BOT-BC100411  Brickellia californica Ernest C. Twisselmann 1961-10-31 6676 Los Angeles Pine Canyon at Pine Canyon Guard Station 1066 Comment
  CAS-BOT-BC102546  Populus fremontii Ernest C. Twisselmann 1970-9-8 17485 Los Angeles Antelope Valley: Avenue A 0.2 mile east of 30th Street West 731 Comment
  CAS-BOT-BC102547  Populus fremontii Ernest C. Twisselmann 1964-5-7 9342 Los Angeles Rosamond Lake, near the north end, Edwards Air Force Base 601 Comment
  CAS-BOT-BC104871  Quercus wislizeni Ernest C. Twisselmann 1956-9-14 3167 Los Angeles San Emigdio Range. Upper end of Castaic Valley 1188 Comment
  CAS-BOT-BC104872  Quercus wislizeni Ernest C. Twisselmann 1956-9-14 3167 Los Angeles San Emigdio Range. Upper end of Castaic Valley 1188 Comment
  CAS-BOT-BC105694  Corethrogyne filaginifolia Ernest C. Twisselmann 1961-10-31 6682 Los Angeles Liebre Mountains - Leona Valley 929 Comment
  CAS-BOT-BC105749  Corethrogyne filaginifolia Ernest C. Twisselmann 1961-10-31 6682 Los Angeles Leona Valley, Liebre Mountains 929 Comment
  CAS-BOT-BC148876  Bromus carinatus var. marginatus Ernest C. Twisselmann 1959-6-2 5330 Los Angeles Summit of Liebre Mountain. 1645 Comment
  CAS-BOT-BC148922  Bromus carinatus var. marginatus Ernest C. Twisselmann 1959-6-2 5330 Los Angeles Summit of Liebre Mountain. 1645 Comment
  CAS-BOT-BC148923  Bromus carinatus var. marginatus Ernest C. Twisselmann 1959-6-2 5330 Los Angeles Summit of Liebre Mountain. 1645 Comment
  CAS-BOT-BC149409  Bromus berteroanus Ernest C. Twisselmann 1962-4-10 6850 Los Angeles Mojave Desert. Antelope Valley. Avenue A 2.8 miles west of Highway 6. 670 Comment
  CAS-BOT-BC154691  Solanum umbelliferum E. C. Twisselmann 1964-6-10 9619 Los Angeles Fork at the head of Castaic Valley 1310 Comment
  CAS-BOT-BC154941  Prunus ilicifolia Ernest C. Twisselmann 1961-10-31 6678 Los Angeles Liebre Mountains: [Elizebeth] Elizabeth Lake 944 Comment
  CAS-BOT-BC154943  Prunus ilicifolia Ernest C. Twisselmann 1961-10-31 6678 Los Angeles [Elizebeth] Elizabeth Lake, Liebre Mountains 944 Comment
  CAS-BOT-BC156227  Bromus catharticus Ernest C. Twisselmann 1961-10-31 6695 Los Angeles Mojave Desert. Antelope Valley. Avenue A at 90th Street. 685 Comment
  CAS-BOT-BC156230  Bromus catharticus Ernest C. Twisselmann 1961-10-31 6695 Los Angeles Mojave Desert. Antelope Valley. Avenue A at 90th Street. 685 Comment
  CAS-BOT-BC156776  Solanum umbelliferum E. C. Twisselmann 1959-6-2 5328 Los Angeles Summit of Liebre Mountains 1676 Comment
  CAS-BOT-BC157596  Solanum umbelliferum Ernest C. Twisselmann 1959-6-2 5328 Los Angeles Summit of Liebre Mountain 1676 Comment
  CAS-BOT-BC167291  California macrophylla Ernest C. Twisselmann 1962-4-18 6959 Los Angeles Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  CAS-BOT-BC167292  California macrophylla Ernest C. Twisselmann 1962-4-18 6959 Los Angeles San Clemente Comment
  CAS-BOT-BC167938  Rhus ovata Ernest C. Twisselmann 1959-6-2 5334 Los Angeles Old Ridge Route, 4.6 miles south of Sandberg's Lodge 1127 Comment
  CAS-BOT-BC167945  Rhus ovata Ernest C. Twisselmann 1959-6-2 5334 Los Angeles Old Ridge Route, 4.6 miles south of Sandberg's Lodge 1127 Comment
  CAS-BOT-BC168273  Atriplex canescens var. canescens Ernest C. Twisselmann 1961-10-31 6684 Los Angeles Leona Valley, Liebre Mountains 853 Comment
  CAS-BOT-BC168274  Atriplex canescens var. canescens Ernest C. Twisselmann 1961-10-31 6684 Los Angeles Liebre Mountains: Leona Valley 853 Comment
  CAS-BOT-BC170014  Atriplex confertifolia Ernest C. Twisselmann 1970-9-8 17490 Los Angeles Antelope Valley, Highway 14 at Avenue B - Mojave Desert 731 Comment
  CAS-BOT-BC170015  Atriplex confertifolia Ernest C. Twisselmann 1970-9-8 17490 Los Angeles Antelope Valley, Highway 14 at Avenue B - Mojave Desert 731 Comment
  CAS-BOT-BC176524  Atriplex polycarpa Ernest C. Twisselmann 1970-9-8 17480 Los Angeles Antelope Valley: Avenue A at 50th Street 731 Comment
  CAS-BOT-BC176525  Atriplex polycarpa Ernest C. Twisselmann 1970-9-8 17480 Los Angeles Antelope Valley: Avenue A at 50th Street 731 Comment
  CAS-BOT-BC176819  Kochia californica Ernest C. Twisselmann 1970-9-8 17492 Los Angeles Antelope Valley: Highway 14 at Avenue A 762 Comment
  CAS-BOT-BC176827  Kochia californica Ernest C. Twisselmann 1970-9-8 17499 Los Angeles Antelope Valley: Avenue C 0.6 mile east of Highway 14, (wastelands on the west border of Rosamond Dry Lake) 746 Comment
  CAS-BOT-BC176828  Kochia californica Ernest C. Twisselmann 1970-9-8 17492 Los Angeles Antelope Valley: Highway 14 at Avenue A 762 Comment
  CAS-BOT-BC176856  Salsola gobicola Ernest C. Twisselmann 1970-9-8 17478 Los Angeles Antelope Valley: Avenue A at 50th Street West 731 Comment
  CAS-BOT-BC176857  Salsola gobicola Ernest C. Twisselmann 1970-9-8 17478 Los Angeles Antelope Valley: Avenue A at 50th Street West 731 Comment
  CAS-BOT-BC180744  Salsola tragus Ernest C. Twisselmann 1970-9-8 17479 Los Angeles Antelope Valley, Avenue A at 50th Street West - Mojave Desert 731 Comment
  CAS-BOT-BC180745  Salsola tragus Ernest C. Twisselmann 1970-9-8 17479 Los Angeles Antelope Valley, Avenue A at 50th Street West - Mojave Desert 731 Comment
  CAS-BOT-BC182840  Astragalus douglasii Ernest C. Twisselmann 1962-4-18 6972 Los Angeles Oso Canyon, ca. 1 mile above Oso Corral 1036 Comment
  CAS-BOT-BC182854  Astragalus douglasii Ernest C. Twisselmann 1962-4-18 6972 Los Angeles Oso Canyon, ca. 1 mile above Oso Corral 1036 Comment
  CAS-BOT-BC183785  Vulpia microstachys var. confusa Ernest C. Twisselmann 1962-4-18 6978 Los Angeles Tejon Ranch: Oso Canyon, ca. 1 mile above Oso Corral 1036 Comment
  CAS-BOT-BC183788  Vulpia microstachys var. confusa Ernest C. Twisselmann 1962-4-18 6978 Los Angeles Tejon Ranch: Oso Canyon, ca. 1 mile above Oso Corral 1036 Comment
  CAS-BOT-BC184878  Chloris virgata Ernest C. Twisselmann 1970-10-17 17545 Los Angeles Mojave Desert. Antelope Valley. Gorman Highway 5 miles west of Highway 14. 1005 Comment
  CAS-BOT-BC184879  Chloris virgata Ernest C. Twisselmann 1970-10-17 17545 Los Angeles Mojave Desert. Antelope Valley. Gorman Highway 5 miles west of Highway 14. 1005 Comment
  CAS-BOT-BC185942  Vulpia octoflora var. octoflora Ernest C. Twisselmann 1962-4-10 6853 Los Angeles Antelope Valley: Avenue A, 3.1 miles west of Highway 6, Kern & Los Angeles Counties 670 Comment
  CAS-BOT-BC189115  Eriodictyon crassifolium var. crassifolium Ernest C. Twisselmann 1964-6-10 9622 Los Angeles Fork at the head of Castaic Valley 1310 Comment
  CAS-BOT-BC189186  Eriodictyon crassifolium var. nigrescens Ernest C. Twisselmann 1964-6-10 9622 Los Angeles Fork at head of Castaic Valley, Mount Pinos Region 1310 Comment
  CAS-BOT-BC189187  Eriodictyon crassifolium var. nigrescens Ernest C. Twisselmann 1959-6-2 5342 Los Angeles Old Ridge Route, 1.2 miles S of the Lancaster Highway 1097 Comment
  CAS-BOT-BC189188  Eriodictyon crassifolium var. nigrescens Ernest C. Twisselmann 1959-6-2 5342 Los Angeles Old Ridge Route, 1.2 miles S of the Lancaster Highway 1097 Comment
  CAS-BOT-BC189394  Cryptantha circumscissa Ernest C. Twisselmann 1959-6-2 5343 Los Angeles Old Ridge Route, 1.2 miles S of the Lancaster Highway 1097 Comment
  CAS-BOT-BC189395  Cryptantha circumscissa Ernest C. Twisselmann 1959-6-2 5343 Los Angeles Old Ridge Route, 1.2 miles S of the Lancaster Highway 1097 Comment
  CAS-BOT-BC193025  Astragalus purshii var. tinctus Ernest C. Twisselmann 1962-4-18 6971 Los Angeles Oso Canyon, ca. 1 mile above Oso Corral 1036 Comment
  CAS-BOT-BC193026  Astragalus purshii var. tinctus Ernest C. Twisselmann 1962-4-18 6971 Los Angeles Oso Canyon, ca. 1 mile above Oso Corral 1036 Comment
  CAS-BOT-BC195609  Distichlis spicata Ernest C. Twisselmann 1970-9-8 17487 Los Angeles Antelope Valley: Avenue A 0.2 mile east of 30th Street West 731 Comment
  CAS-BOT-BC195610  Distichlis spicata Ernest C. Twisselmann 1970-9-8 17487 Los Angeles Antelope Valley: Avenue A 0.2 mile east of 30th Street West 731 Comment
  CAS-BOT-BC199092  Astragalus trichopodus var. phoxus Ernest C. Twisselmann 1959-6-2 5336 Los Angeles Old Ridge Route, 3.7 miles south of Sandberg's Lodge 1143 Comment
  CAS-BOT-BC199093  Astragalus trichopodus var. phoxus Ernest C. Twisselmann 1959-6-2 5336 Los Angeles Old Ridge Route, 3.7 miles south of Sandberg's Lodge 1143 Comment
  CAS-BOT-BC200476  Triticum aestivum Ernest C. Twisselmann 1965-5-18 10856 Los Angeles Marsh along the Lancaster Road ca. 3 miles southeast of Gorman 1097 Comment
  CAS-BOT-BC204477  Eragrostis cilianensis Ernest C. Twisselmann 1970-10-17 17549 Los Angeles Antelope Valley: Gorman Highway 5 miles west of Highway 14 1005 Comment
  CAS-BOT-BC204478  Eragrostis cilianensis Ernest C. Twisselmann 1970-10-17 17549 Los Angeles Antelope Valley: Gorman Highway 5 miles west of Highway 14 1005 Comment
  CAS-BOT-BC206365  Malacothamnus fremontii Ernest C. Twisselmann 1955-6-23 2198 Los Angeles Castaic Valley, 1.2 miles north of Gorman - San Emigdio Range 1219 Comment
  CAS-BOT-BC206366  Malacothamnus fremontii Ernest C. Twisselmann 1966-7-13 12617 Los Angeles Cuddy Canyon Road at the Ridge Route Freeway - San Emigdio Range and the Mt. Pinos Region 1188 Comment
  CAS-BOT-BC206367  Malacothamnus fremontii Ernest C. Twisselmann 1966-7-13 12617 Los Angeles Cuddy Canyon Road at the Ridge Route Freeway - San Emigdio Range and the Mt. Pinos Region 1188 Comment
  CAS-BOT-BC209064  Digitaria sanguinalis Ernest C. Twisselmann 1970-10-17 17548 Los Angeles Gorman Highway 5 miles west of Highway 14, Antelope Valley - Mojave Desert 1005 Comment
  CAS-BOT-BC209065  Digitaria sanguinalis Ernest C. Twisselmann 1970-10-17 17548 Los Angeles Gorman Highway 5 miles west of Highway 14, Antelope Valley - Mojave Desert 1005 Comment
  CAS-BOT-BC215338  Lupinus excubitus var. excubitus Ernest C. Twisselmann 1962-4-18 6973 Los Angeles 1 mile above Oso Corral, Tejon Ranch, Oso Canyon 1036 Comment
  CAS-BOT-BC215339  Lupinus excubitus var. excubitus Ernest C. Twisselmann 1962-4-18 6973 Los Angeles 1 mile above Oso Corral, Tejon Ranch, Oso Canyon 1036 Comment
  CAS-BOT-BC223941  Tamarix parviflora Ernest C. Twisselmann 1963-5-10 8153 Los Angeles Rosamond region: Avenue A 0.6 mile east of Highway U. S. 6 734 Comment
  CAS-BOT-BC223942  Tamarix parviflora Ernest C. Twisselmann 1970-9-8 17486 Los Angeles Antelope Valley: Avenue A 0.2 mile east of 30th Street West 731 Comment
  CAS-BOT-BC223943  Tamarix parviflora Ernest C. Twisselmann 1970-9-8 17486 Los Angeles Antelope Valley: Avenue A 0.2 mile east of 30th Street West 731 Comment
  CAS-BOT-BC223944  Tamarix parviflora Ernest C. Twisselmann 1963-5-10 8153 Los Angeles Rosamond region: Avenue A 0.6 mile east of Highway U. S. 6 734 Comment
  CAS-BOT-BC225335  Gilia latiflora subsp. cuyamensis Ernest C. Twisselmann 1959-6-2 5326 Los Angeles Summit of Liebre Mountain 1676 Comment
  CAS-BOT-BC226317  Gilia latiflora subsp. davyi Ernest C. Twisselmann 1962-4-18 6974 Los Angeles Tehachapi Mountains. Oso Canyon, ca. 1 mile above the Oso Corral 1036 Comment
  CAS-BOT-BC232403  Polypogon monspeliensis Ernest C. Twisselmann 1964-5-7 9393 Los Angeles Mojave Desert. Avenue E, 0.5 mile E of Highway US 6, Rosamund region 617 Comment
  CAS-BOT-BC232404  Polypogon monspeliensis Ernest C. Twisselmann 1964-5-7 9393 Los Angeles Mojave Desert. Avenue E, 0.5 mile E of Highway US 6, Rosamund region 617 Comment
  CAS-BOT-BC235638  Keckiella breviflora var. breviflora Ernest C. Twisselmann 1959-6-2 5340 Los Angeles Old Ridge Route, 1 mile south of Sandberg's Lodge 1249 Comment
  CAS-BOT-BC235639  Keckiella breviflora var. breviflora Ernest C. Twisselmann 1959-6-2 5340 Los Angeles Old Ridge Route, 1 mile south of Sandberg's Lodge 1249 Comment
  CAS-BOT-BC236211  Poa secunda subsp. secunda Ernest C. Twisselmann 1962-4-18 6954 Los Angeles Tehachapi Mountains. Oso Canyon, 0.5 mile W of Coe Field Fence 1036 Comment
  CAS-BOT-BC236212  Poa secunda subsp. secunda Ernest C. Twisselmann 1962-4-18 6954 Los Angeles Tehachapi Mountains. Tejon Ranch: Oso Canyon, 0.5 mile W of Coe Field fence 1036 Comment
  CAS-BOT-BC238331  Keckiella ternata var. septentrionalis Ernest C. Twisselmann 1959-6-2 5320 Los Angeles Old Ridge Route, 1.25 mile north of Quail Lake Fire Station 1219 Comment
  CAS-BOT-BC239927  Schismus arabicus Ernest C. Twisselmann 1966-4-27 12107 Los Angeles Hi Vista 868 Comment
  CAS-BOT-BC239928  Schismus arabicus Ernest C. Twisselmann 1966-4-27 10107 Los Angeles Hi Vista 868 Comment
  CAS-BOT-BC240234  Setaria viridis Ernest C. Twisselmann 1970-10-17 17547 Los Angeles Antelope Valley: Gorman Highway 5 miles west of Highway 14 1005 Comment
  CAS-BOT-BC240236  Setaria viridis Ernest C. Twisselmann 1970-10-17 17547 Los Angeles Antelope Valley: Gorman Highway 5 miles west of Highway 14 1005 Comment
  CAS-BOT-BC241584  Eriogonum baileyi var. baileyi Ernest C. Twisselmann 1955-8-10 2331 Los Angeles San Emigdio Range. Upper Castaic Valley 1226 Comment
  CAS-BOT-BC241586  Eriogonum baileyi var. baileyi Ernest C. Twisselmann 1955-8-10 2331 Los Angeles San Emigdio Range. Upper Castaic Valley 1226 Comment
  CAS-BOT-BC243584  Setaria parviflora Ernest C. Twisselmann 1971-9-19 18513 Los Angeles Ingraham Street at Lucas Street, downtown district, Los Angeles 60 Comment
  CAS-BOT-BC243585  Setaria parviflora Ernest C. Twisselmann 1971-9-19 18513 Los Angeles Ingraham Street at Lucas Street, downtown district, Los Angeles 60 Comment
  CAS-BOT-BC249781  Eriogonum elongatum var. elongatum Ernest C. Twisselmann 1961-10-31 6681 Los Angeles Leona Valley, Liebre Mountains 929 Comment
  CAS-BOT-BC249782  Eriogonum elongatum var. elongatum Ernest C. Twisselmann 1961-10-31 6681 Los Angeles Liebre Mountains: Leona Valley 929 Comment
  CAS-BOT-BC250102  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1955-8-10 2332 Los Angeles San Emigdio Range. Upper Castaic Valley 1226 Comment
  CAS-BOT-BC250105  Eriogonum fasciculatum var. polifolium Ernest C. Twisselmann 1955-8-10 2332 Los Angeles San Emigdio Range. Upper Castaic Valley 1226 Comment
  CAS-BOT-BC253252  Eriogonum fasciculatum var. foliolosum Ernest C. Twisselmann 1961-10-31 6680 Los Angeles Leona Valley, Liebre Mountains 929 Comment
  CAS-BOT-BC253277  Eriogonum fasciculatum var. foliolosum Ernest C. Twisselmann 1961-10-31 6680 Los Angeles Leona Valley, Liebre Mountains 929 Comment
  CAS-BOT-BC260440  Achnatherum hymenoides Ernest C. Twisselmann 1966-4-27 12106 Los Angeles Mojave Desert. Hi Vista 868 Comment
  CAS-BOT-BC260441  Achnatherum hymenoides Ernest C. Twisselmann 1966-4-27 12106 Los Angeles Mojave Desert. Hi Vista 868 Comment
  CAS-BOT-BC264875  Eriogonum viridescens Ernest C. Twisselmann 1957-8-13 3961 Los Angeles Western end of Antelope Valley 792 Comment
  CAS-BOT-BC277870  Chaenactis stevioides Ernest C. Twisselmann 1966-4-27 12104 Los Angeles Plains 14.1 miles west of El Mirage 822 Comment
  CAS-BOT-BC277871  Chaenactis stevioides Ernest C. Twisselmann 1966-4-27 12104 Los Angeles Plains 14.1 miles west of El Mirage 822 Comment
  CAS-BOT-BC279715  Chaenactis xantiana Ernest C. Twisselmann 1962-4-18 6953 Los Angeles Tehachapi Mountains. Oso Canyon, 0.5 mile west of Coe Field fence 1036 Comment
  CAS-BOT-BC279716  Chaenactis xantiana Ernest C. Twisselmann 1962-4-18 6953 Los Angeles Tehachapi Mountains. Oso Canyon, 0.5 mile west of Coe Field fence 1036 Comment
  CAS-BOT-BC283776  Leymus cinereus Ernest C. Twisselmann 1964-5-7 9390 Los Angeles Mojave Desert. Rosamund region: Avenue E, 3 miles E of Highway US 6 617 Comment
  CAS-BOT-BC284129  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1961-10-31 6696 Los Angeles Antelope Valley, Avenue A at 90th Street, Mojave Desert 685 Comment
  CAS-BOT-BC284130  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1961-10-31 6696 Los Angeles Antelope Valley, Avenue A at 90th Street, Mojave Desert 685 Comment
  CAS-BOT-BC284131  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1970-10-17 17546 Los Angeles Antelope Valley, Gorman Highway 5 miles west of Highway 14, Mojave Desert 1005 Comment
  CAS-BOT-BC284132  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1970-10-17 17546 Los Angeles Antelope Valley, Gorman Highway 5 miles west of Highway 14, Mojave Desert 1005 Comment
  CAS-BOT-BC287628  Ericameria linearifolia Ernest C. Twisselmann 1964-6-10 9618 Los Angeles San Emigdio Range and the Mt Pinos Region. Fork at the head of Castaic Valley 1310 Comment
  CAS-BOT-BC287633  Ericameria linearifolia Ernest C. Twisselmann 1964-6-10 9618 Los Angeles San Emigdio Range and the Mt Pinos Region. Fork at the head of Castaic Valley 1310 Comment
  CAS-BOT-BC287744  Coreopsis bigelovii Ernest C. Twisselmann 1963-6-3 8367 Los Angeles Tehachapi Mts. Road to Highway US 99, just W of Gorman 1203 Comment
  CAS-BOT-BC289494  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1965-5-18 10858 Los Angeles Marsh along the Lancaster Road, va. 3 miles southeast of Gorman, Tehachapi Mountains 1097 Comment
  CAS-BOT-BC289495  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1965-5-18 10858 Los Angeles Marsh along the Lancaster Road, va. 3 miles southeast of Gorman, Tehachapi Mountains 1097 Comment
  CAS-BOT-BC293143  Ericameria pinifolia Ernest C. Twisselmann 1961-10-31 6677 Los Angeles Liebre Mountains: Munz Lake 929 Comment
  CAS-BOT-BC293144  Ericameria pinifolia Ernest C. Twisselmann 1961-10-31 6677 Los Angeles Liebre Mountains: Munz Lake 929 Comment
  CAS-BOT-BC298053  Ericameria nauseosa var. mohavensis Ernest C. Twisselmann 1959-10-4 5852 Los Angeles San Emigdio Range and the Mt Pinos Region. Gorman: waste area at the Standard Oil Service Station 1127 Comment
  CAS-BOT-BC298054  Ericameria nauseosa var. mohavensis Ernest C. Twisselmann 1957-8-13 3960 Los Angeles W end of Antelope Valley 792 Comment
  CAS-BOT-BC298188  Ericameria nauseosa var. oreophila Ernest C. Twisselmann 1970-9-8 17491 Los Angeles Mojave Desert: Antelope Valley: Highway 14 at Avenue B 731 Comment
  CAS-BOT-BC298189  Ericameria nauseosa var. oreophila Ernest C. Twisselmann 1970-9-8 17491 Los Angeles Mojave Desert: Antelope Valley: Highway 14 at Avenue B 731 Comment
  CAS-BOT-BC299010  Ericameria nauseosa var. hololeuca Ernest C. Twisselmann 1961-10-31 6683 Los Angeles Liebre Mts: Leona Valley 929 Comment
  CAS-BOT-BC299011  Ericameria nauseosa var. hololeuca Ernest C. Twisselmann 1961-10-31 6683 Los Angeles Leona Valley, Liebre Mts 929 Comment
  CAS-BOT-BC299098  Ericameria nauseosa var. leiosperma Ernest C. Twisselmann 1970-10-17 17553 Los Angeles Wastelands at the W shore of Rosamond Dry Lake 716 Comment
  CAS-BOT-BC299099  Ericameria nauseosa var. leiosperma Ernest C. Twisselmann 1970-10-17 17553 Los Angeles Wastelands at the W shore of Rosamond Dry Lake 716 Comment
  CAS-BOT-BC305260  Grindelia hirsutula Ernest C. Twisselmann 1970-9-8 17493 Los Angeles Antelope Valley: Highway 14 at Avenue A 731 Comment
  CAS-BOT-BC305261  Grindelia hirsutula Ernest C. Twisselmann 1970-9-8 17493 Los Angeles Antelope Valley: Highway 14 at Avenue A 731 Comment
  CAS-BOT-BC305263  Grindelia hirsutula Ernest C. Twisselmann 1955-9-15 2376 Los Angeles San Emigdio Range. Castaic Valley, 1/2 mile northwest of Holland Summit 1219 Comment
  CAS-BOT-BC305264  Grindelia hirsutula Ernest C. Twisselmann 1955-9-15 2376 Los Angeles San Emigdio Range. Castaic Valley, 1/2 mile northwest of Holland Summit 1219 Comment
  CAS-BOT-BC305414  Helianthus annuus Ernest C. Twisselmann 1970-9-8 17476 Los Angeles Antelope Valley: Avenue A at 50th Street West 731 Comment
  CAS-BOT-BC305415  Helianthus annuus Ernest C. Twisselmann 1970-9-8 17476 Los Angeles Antelope Valley: Avenue A at 50th Street West 731 Comment
  CAS-BOT-BC305416  Helianthus annuus Ernest C. Twisselmann 1955-9-15 2375 Los Angeles San Emigdio Range. Castaic Valley, 1/2 mile northwest of Holland Summit 1219 Comment
  CAS-BOT-BC305417  Helianthus annuus Ernest C. Twisselmann 1955-9-15 2375 Los Angeles San Emigdio Range. Castaic Valley, 1/2 mile northwest of Holland Summit 1219 Comment
  CAS-BOT-BC311531  Isocoma acradenia var. acradenia Ernest C. Twisselmann 1970-9-8 17500 Los Angeles Antelope Valley: Avenue A at 50th Street West 731 Comment
  CAS-BOT-BC311532  Isocoma acradenia var. acradenia Ernest C. Twisselmann 1970-9-8 17500 Los Angeles Antelope Valley: Avenue A at 50th Street West 731 Comment
  CAS-BOT-BC322835  Stephanomeria pauciflora Ernest C. Twisselmann 1970-9-8 17495 Los Angeles Highway 14 at Avenue A, Antelope Valley, Mojave Desert 731 Comment
  CAS-BOT-BC322836  Stephanomeria pauciflora Ernest C. Twisselmann 1965-7-23 11073 Los Angeles North side of Antelope Valley below Sacratarius Canyon, Mojave Desert 1203 Comment
  CAS-BOT-BC322846  Stephanomeria pauciflora Ernest C. Twisselmann 1970-9-8 17495 Los Angeles Highway 14 at Avenue A, Antelope Valley, Mojave Desert 731 Comment
  CAS-BOT-BC328067  Lepidospartum squamatum Ernest C. Twisselmann 1955-8-10 2318 Los Angeles San Emigdio Range. Castaic Valley, 0.3 mi E of Kern County Line 1226 Comment
  CAS-BOT-BC328068  Lepidospartum squamatum Ernest C. Twisselmann 1955-8-10 2318 Los Angeles San Emigdio Range. Castaic Valley, 0.3 mi E of Kern County Line 1226 Comment
  CAS-BOT-BC333076  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1955-8-10 2308 Los Angeles Castaic Valley 1/2 mile north of Holland Summit, san Emigdio Range 1219 Comment
  CAS-BOT-BC333077  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1961-10-31 6679 Los Angeles Leona Valley, Liebre Mountains 929 Comment
  CAS-BOT-BC333078  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1961-10-31 6679 Los Angeles Leona Valley, Liebre Mountains 929 Comment
  CAS-BOT-BC333085  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1955-8-10 2308 Los Angeles Castaic Valley 1/2 mile north of Holland Summit, san Emigdio Range 1219 Comment
  CAS-BOT-BC339559  Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1966-9-8 12787 Los Angeles San Emigdio Range and the Mt. Pinos Region. Castaic Valley 1188 Comment
  CAS-BOT-BC339560  Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1955-6-23 2209 Los Angeles San Emigdio Range. Castaic Valley, 1/2 mile north of Holland Summit 1219 Comment
  CAS-BOT-BC339561  Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1955-6-23 2209 Los Angeles San Emigdio Range. Castaic Valley, 1/2 mile north of Holland Summit 1219 Comment
  CAS-BOT-BC340087  Tetradymia glabrata Ernest C. Twisselmann 1965-5-5 10701 Los Angeles Mojave Desert. Lancaster Boulevard near the Kern County Line, (Edwards Air Force Base) 746 Comment
  CAS-BOT-BC340093  Tetradymia glabrata Ernest C. Twisselmann 1965-5-5 10701 Los Angeles Mojave Desert. Lancaster Boulevard near the Kern County Line, (Edwards Air Force Base) 746 Comment
  CAS-BOT-BC348917  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1962-4-18 6958 Los Angeles Tehachapi Mountains. Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  CAS-BOT-BC348918  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1962-4-18 6958 Los Angeles Tehachapi Mountains. Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  CAS-BOT-BC39341  Arctostaphylos glauca Ernest C. Twisselmann 1959-6-2 5339 Los Angeles Old Ridge Route, 2.2 miles south of Sandberg's Lodge. 1203 Comment
  CAS-BOT-BC39342  Arctostaphylos glauca Ernest C. Twisselmann 1959-6-2 5339 Los Angeles Old Ridge Route, 2.2 miles south of Sandberg's Lodge. 1203 Comment
  CAS-BOT-BC402012  Gilia ochroleuca subsp. bizonata Ernest C. Twisselmann 1959-6-2 5324 Los Angeles Summit of Liebre Mountain 1676 Comment
  CAS-BOT-BC402013  Gilia ochroleuca subsp. bizonata Ernest C. Twisselmann 1959-6-2 5324 Los Angeles Summit of Liebre Mountain 1676 Comment
  CAS-BOT-BC40778  Erysimum capitatum Ernest C. Twisselmann 1959-6-2 5323 Los Angeles Summit of Liebre Mountain. 1706 Comment
  CAS-BOT-BC40779  Erysimum capitatum Ernest C. Twisselmann 1959-6-2 5323 Los Angeles Summit of Liebre Mountain. 1706 Comment
  CAS-BOT-BC40780  Erysimum capitatum Ernest C. Twisselmann 1962-4-10 6829 Los Angeles Mojave Desert. Rosamund region. 1.3 miles east of Highway 6 on road at the end of Avenue A. 624 Comment
  CAS-BOT-BC40781  Erysimum capitatum Ernest C. Twisselmann 1962-4-10 6829 Los Angeles Mojave Desert. Rosamund region. 1.3 miles east of Highway 6 on road at the end of Avenue A. 624 Comment
  CAS-BOT-BC423109  Cleomella obtusifolia Ernest C. Twisselmann 1965-5-5 10703 Los Angeles Mojave Desert. Lancaster Boulevard near the Kern County Line, (Edwards Air Force Base). 746 Comment
  CAS-BOT-BC42896  Ambrosia acanthicarpa Ernest C. Twisselmann 1970-9-8 17483 Los Angeles Antelope Valley: Avenue A, 0.2 mi. E of 30th Street West 731 Comment
  CAS-BOT-BC42897  Ambrosia acanthicarpa Ernest C. Twisselmann 1956-9-14 3167 Los Angeles Upper end of Castaic Valley 1188 Comment
  CAS-BOT-BC42898  Ambrosia acanthicarpa Ernest C. Twisselmann 1956-9-14 3167 Los Angeles Upper end of Castaic Valley 1188 Comment
  CAS-BOT-BC43348  Descurainia pinnata subsp. glabra Ernest C. Twisselmann 1962-4-10 6858 Los Angeles Mojave Desert. Antelope Valley. Avenue A 2.8 miles west of Highway 6. 670 Comment
  CAS-BOT-BC43488  Descurainia sophia Ernest C. Twisselmann 1962-4-10 6857 Los Angeles Mojave Desert. Antelope Valley. Avenue A, 2.8 miles west of Highway 6. 670 Comment
  CAS-BOT-BC43489  Descurainia sophia Ernest C. Twisselmann 1962-4-10 6857 Los Angeles Mojave Desert. Antelope Valley. Avenue A, 2.8 miles west of Highway 6. 670 Comment
  CAS-BOT-BC50570  Ceanothus leucodermis Ernest C. Twisselmann 1959-6-2 5327 Los Angeles Summit of Liebre Mountain 1706 Comment
  CAS-BOT-BC50571  Ceanothus leucodermis Ernest C. Twisselmann 1959-6-2 5327 Los Angeles Summit of Liebre Mountain 1706 Comment
  CAS-BOT-BC55479  Hornungia procumbens Ernest C. Twisselmann 1962-4-10 6849 Los Angeles Mojave Desert. Antelope Valley. Avenue A 2.8 miles west of Highway 6. 670 Comment
  CAS-BOT-BC55481  Hornungia procumbens Ernest C. Twisselmann 1962-4-10 6849 Los Angeles Mojave Desert. Antelope Valley. Avenue A 2.8 miles west of Highway 6. Comment
  CAS-BOT-BC60913  Stanleya pinnata Ernest C. Twisselmann 1964-5-7 9391 Los Angeles Mojave Desert. Avenue E, 5 miles east of Highway U.S. 6. 617 Comment
  CAS-BOT-BC60914  Stanleya pinnata Ernest C. Twisselmann 1964-5-7 9391 Los Angeles Mojave Desert. Avenue E, 5 miles east of Highway U.S. 6. 617 Comment
  CAS-BOT-BC61000  Streptanthella longirostris Ernest C. Twisselmann 1965-5-5 10702 Los Angeles Mojave Desert. Lancaster Boulevard near the Kern County Line. (Edwards Air Force Base). 746 Comment
  CAS-BOT-BC61001  Streptanthella longirostris Ernest C. Twisselmann 1965-5-5 10702 Los Angeles Mojave Desert. Lancaster Boulevard near the Kern County Line. (Edwards Air Force Base). 746 Comment
  CAS-BOT-BC75081  Sisymbrium altissimum Ernest C. Twisselmann 1955-8-10 2307 Los Angeles San Emigdio Range. Upper Castaic Valley. 1226 Comment
  CAS-BOT-BC75082  Sisymbrium altissimum Ernest C. Twisselmann 1955-8-10 2307 Los Angeles San Emigdio Range. Upper Castaic Valley. 1226 Comment
  CAS-BOT-BC80993  Juniperus californica Ernest C. Twisselmann 1970-9-8 17496 Los Angeles Antelope Valey: Avenue C 0.2 mile east of Highway 14 746 Comment
  CAS-BOT-BC81014  Juniperus californica Ernest C. Twisselmann 1970-9-8 17496 Los Angeles Antelope Valley: Avenue C 0.2 mile east of Highway 14 746 Comment
  CAS-BOT-BC89282  Lepidium flavum Ernest C. Twisselmann 1966-4-27 12103 Los Angeles Mojave Desert. Plains 14.1 miles west of El Mirage. 822 Comment
  CAS-BOT-BC89308  Lepidium flavum Ernest C. Twisselmann 1962-4-10 6831 Los Angeles Mojave Desert. Rosamund region. Avenue A 1.3 mile east of Highway 6. 624 Comment
  CAS-BOT-BC89309  Lepidium flavum Ernest C. Twisselmann 1962-4-10 6831 Los Angeles Mojave Desert. Rosamund region. Avenue A 1.3 mile east of Highway 6. 624 Comment
  CAS-BOT-BC89310  Lepidium flavum Ernest C. Twisselmann 1966-4-27 12103 Los Angeles Mojave Desert. Plains 14.1 miles west of El Mirage. 822 Comment
  CAS-BOT-BC97333  Artemisia tridentata subsp. tridentata Ernest C. Twisselmann 1961-10-31 6674 Los Angeles Liebre Mountains: Old Ridge Route about 0.5 mile north of Sandsburgs Lodge 1127 Comment
  CAS-BOT-BC97334  Artemisia tridentata subsp. tridentata Ernest C. Twisselmann 1961-10-31 6674 Los Angeles Liebre Mountains: Old Ridge Route about 0.5 mile north of Sandsburgs Lodge 1127 Comment
  JEPS24088  Keckiella breviflora var. breviflora Ernest C. Twisselmann 1959-6-2 5340 Los Angeles 1 mi s Sandberg's Lodge (Old Ridge Route) 1249 Comment
  JEPS26374  Balsamorhiza deltoidea Ernest C. Twisselmann 1959-6-2 5319 Los Angeles summit of Liebre Mountain Liebre Mountain 1638 Comment
  JEPS28887  Collinsia bartsiifolia var. davidsonii Ernest C. Twisselmann 1962-4-18 6952 Los Angeles Oso Canyon Tehachapi Mountains, Tejon Ranch 1036 Comment
  JEPS31108  Ericameria nauseosa var. hololeuca Ernest C. Twisselmann 1961-10-31 6683 Los Angeles Liebre Mountains, Leona Valley 929 Comment
  JEPS31109  Corethrogyne filaginifolia Ernest C. Twisselmann 1961-10-31 6682 Los Angeles Leona Valley Liebre Mountains, Leona Valley 929 Comment
  JEPS31110  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1961-10-31 6679 Los Angeles Leona Valley Liebre Mountains 929 Comment
  JEPS31111  Ericameria pinifolia Ernest C. Twisselmann 1961-10-31 6677 Los Angeles Munz Lake Liebre Mountains, Munz Lake 929 Comment
  JEPS31112  Brickellia californica Ernest C. Twisselmann 1961-10-31 6676 Los Angeles Pine Canyon at Pine Canyon Guard Station Pine Canyon 1066 Comment
  JEPS31113  Artemisia tridentata Ernest C. Twisselmann 1961-10-31 6674 Los Angeles 0.5 mi n of Sandburgs Lodge; Liebre Mountains, Old Ridge Route 1127 Comment
  JEPS31167  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1962-4-18 6958 Los Angeles n side of canyon on the road to Mexican Mine; Tehachapi Mountains, Tejon Ranch, Oso Canyon 1005 Comment
  JEPS31170  Chaenactis xantiana Ernest C. Twisselmann 1962-4-18 6953 Los Angeles 0.5 mi w of Coe Field fence; Tehachapi Mountains, Oso Canyon 1036 Comment
  JEPS31171  Lasthenia microglossa Ernest C. Twisselmann 1962-4-18 6946 Los Angeles .25 mi nw of old Liebre Ranch headquarters; Liebre Mountains 1066 Comment
  JEPS31840  Coreopsis bigelovii Ernest C. Twisselmann 1963-6-3 8367 Los Angeles just w of Gorman (road to Highway U.S. 99); Tehachapi Mountains 1203 Comment
  JEPS36103  Penstemon grinnellii var. scrophularioides Ernest C. Twisselmann 1964-6-10 9621 Los Angeles Fork at the head of Castaic Valley San Emigdio Range, Mt Pinos Region, Castaic Valley (San Emigdio Range and the Mt. Pinos Region) 1310 Comment
  JEPS36105  Ericameria linearifolia Ernest C. Twisselmann 1964-6-10 9618 Los Angeles fork at head Castaic Valley 1310 Comment
  JEPS52057  Tetradymia glabrata Ernest C. Twisselmann 1965-5-5 10701 Los Angeles near Kern County Line (Lancaster Boulevard); Mojave Desert, Edwards Air Force Base 746 Comment
  JEPS52079  Stephanomeria pauciflora Ernest C. Twisselmann 1965-7-23 11073 Los Angeles n side Antelope Valley; Mojave Desert, Antelope Valley 1203 Comment
  JEPS64612  Isocoma acradenia var. acradenia Ernest C. Twisselmann 1970-9-8 17500 Los Angeles Avenue A at 50th Street West; Mojave Desert, Antelope Valley 731 Comment
  JEPS64628  Helianthus annuus Ernest C. Twisselmann 1970-9-8 17476 Los Angeles Avenue A at 5oth Street West; Mojave Desert, Antelope Valley 731 Comment
  JEPS64629  Stephanomeria pauciflora Ernest C. Twisselmann 1970-9-8 17495 Los Angeles Highway 14 at Avenue A, Antelope Valley Mojave Desert, Antelope Valley 731 Comment
  JEPS64633  Ambrosia acanthicarpa Ernest C. Twisselmann 1970-9-8 17483 Los Angeles .2 mi e of, at Avenue A 30th Street West; Mojave Desert, Antelope Valley 731 Comment
  JEPS64634  Ericameria nauseosa var. oreophila Ernest C. Twisselmann 1970-9-8 17491 Los Angeles Highway 14 at Avenue B Antelope Valley 731 Comment
  JEPS64635  Grindelia hirsutula Ernest C. Twisselmann 1970-9-8 17493 Los Angeles Hwy 14 at Avenue A; Mojave Desert, Antelope Valley 731 Comment
  JEPS64707  Ericameria nauseosa var. oreophila Ernest C. Twisselmann 1970-10-17 17553 Los Angeles at the w shore of Rosamond Dry Lake; Mojave Desert, Rosamond Dry Lake 716 Comment
  RSA128238  Gilia latiflora subsp. cuyamensis E. C. Twisselmann 1959-6-2 5326 Los Angeles Summit of Liebre Mountain 1677 Comment
  RSA161663  Gilia brecciarum subsp. brecciarum E. C. Twisselmann 1962-4-18 6975 Los Angeles Tejon ranch: Oso Canyon, 1 mile above the Oso corral. 1037 Comment
  RSA161672  Gilia latiflora subsp. davyi E. C. Twisselmann 1962-4-18 6974 Los Angeles Tejon ranch: Oso Canyon, 1 mile above the Oso corral. 1037 Comment
  RSA169147  Astragalus trichopodus var. phoxus E. C. Twisselmann 1964-6-10 9624 Los Angeles Old highway 101, 0.5 miles NW of Gorman. 1189 Comment
  RSA179932  Stephanomeria pauciflora E. C. Twisselmann 1965-7-23 11073 Los Angeles North side of Antelope Valley 1204 Comment
  RSA180045  Tetradymia glabrata E. C. Twisselmann 1965-5-5 10701 Los Angeles Lancaster Boulevard near the Kern County Line, Edwards Air Force Base 747 Comment
  RSA216304  Kochia californica E. C. Twisselmann 1970-9-8 17499 Los Angeles Antelope Valley: Avenue C 0.6 mile east of Highway 14, wastelands on the west border of Rosamond Dry Lake. 747 Comment
  RSA216312  Chrysothamnus nauseosus subsp. consimilis E. C. Twisselmann 1970-10-17 17553 Los Angeles Wastelands at the W shore of Rosamond Dry Lake 716 Comment
  RSA216322  Eragrostis pectinacea E. C. Twisselmann 1970-10-17 17546 Los Angeles Antelope Valley: Gorman Highway 5 miles west of Highway 14 1006 Comment
  RSA223710  Salsola gobicola E. C. Twisselmann 1970-9-8 17478 Los Angeles Antelope Valley: Avenue A at 50th Street West. 732 Comment
  RSA223714  Stephanomeria pauciflora E. C. Twisselmann 1970-9-8 17495 Los Angeles Antelope Valley, Highway 14 at Avenue A 732 Comment
  RSA223766  Solanum umbelliferum E. C. Twisselmann 1964-6-10 9619 Los Angeles Fork at head of Castaic Valley. 1311 Comment
  RSA223788  Juniperus californica E. C. Twisselmann 1970-9-8 17496 Los Angeles Antelope Valley: Avenue C 0.2 mile east of Highway 14 747 Comment
  RSA303491  Setaria parviflora E. C. Twisselmann 1971-9-19 18513 Los Angeles Los Angeles, Ingraham Str at Lucas Str. 61 Comment
  SBBG113985  Melilotus indicus E. C. Twisselmann 1965-5-18 10859 Los Angeles marsh along the Lancaster Rd, ca. 3 mi SE of Gorman 1097 Comment
  SBBG14999  Erysimum capitatum var. capitatum E. C. Twisselmann 1962-4-10 6829 Los Angeles Rosamond region, 1.3 mi E of Hwy 6 on rd at the end of Ave A 624 Comment
  SBBG19656  Leptosyne bigelovii E. C. Twisselmann 1963-6-3 8367 Los Angeles rd to US Hwy 99, just W of Gorman 1203 Comment
  SBBG21067  Polypogon monspeliensis E. C. Twisselmann 1964-5-7 9371 Los Angeles S end of Rogers Lake, Edwards Air Force Base Comment
  SBBG21161  Solanum xanti E. C. Twisselmann 1964-6-10 9619 Los Angeles fork at head of Castaic Valley 1310 Comment
  SBBG21167  Penstemon grinnellii var. scrophularioides E. C. Twisselmann 1964-6-10 9621 Los Angeles fork at the head of Castaic Valley 1310 Comment
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Jun 8 2016
  SBBG23510  Sidalcea sparsifolia E. C. Twisselmann 1965-5-18 10855 Los Angeles marsh along the Lancaster Rd, ca. 3 mi SE of Gorman 1097 Comment
  SBBG23957  Tetradymia glabrata E. C. Twisselmann 1965-5-5 10701 Los Angeles Lancaster Blvd near Kern County line, Edwards Air Force Base 746 Comment
  SBBG25971  Lepidium flavum E. C. Twisselmann 1966-4-27 12103 Los Angeles 14.1 mi W of El Mirage 822 Comment
  SBBG26131  Artemisia dracunculus E. C. Twisselmann 1966-9-8 12789 Los Angeles upper Castaic Valley 1188 Comment
  UCD105472  Astragalus trichopodus var. phoxus Ernest C. Twisselmann 1959-6-2 5336 Los Angeles Old Ridge Route, 3.7 miles south of Sandberg's Lodge. Shandon, CA. 1143 Comment
  UCD105475  Astragalus trichopodus var. phoxus Ernest C. Twisselmann 1964-6-10 9624 Los Angeles Old Highway 101, 0.5 mile northwest of Gorman. 1188 Comment
  UCD108094  Melilotus indicus Ernest C. Twisselmann 1965-5-18 10859 Los Angeles Along the Lancaster Road, ca. 3 miles southeast of Gorman. 1097 Comment
  UCD115913  Stanleya pinnata var. pinnata Ernest C. Twisselmann 1964-5-7 9391 Los Angeles Avenue E, 5 miles east of Highway US 6. 617 Comment
  UCD57748  Bromus berteroanus Ernest C. Twisselmann 1962-4-10 6850 Los Angeles Mojave Desert. Antelope Valley: Avenue A, 2.8 miles west of Highway 6. 670 Comment
  UCD57936  Chloris virgata Ernest C. Twisselmann 1970-10-17 17545 Los Angeles Mojave Desert, Gorman Highway 5 miles west of Highway 14, Antelope Valley. 1005 Comment
  UCD58339  Bromus catharticus Ernest C. Twisselmann 1961-10-31 6695 Los Angeles Mojave Desert. Antelope Valley: Avenue A at 90th Street. 685 Comment
  UCD58386  Bromus catharticus Ernest C. Twisselmann 1961-10-31 6695 Los Angeles Mojave Desert. Antelope Valley: Avenue A at 90th Street. 685 Comment
  UCD64080  Digitaria sanguinalis Ernest C. Twisselmann 1970-10-17 17548 Los Angeles Antelope Valley: Gorman Highway 5 miles W of Highway 14. 1005 Comment
  UCD64399  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1961-10-31 6696 Los Angeles Antelope Valley, Avenue A at 90th Street. 685 Comment
  UCD85543  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1965-5-18 10858 Los Angeles Along the Lancaster Road, ca. 3 miles SE of Gorman. 1097 Comment
  UCD91391  Polypogon monspeliensis Ernest C. Twisselmann 1964-5-7 9371 Los Angeles At the south end of Rogers Lake, Edwards Air Force Base. 609 Comment
  UCD91392  Polypogon monspeliensis Ernest C. Twisselmann 1964-5-7 9393 Los Angeles Avenue E, 0.5 mile east of Highway U.S. 6, Rosamond region. 617 Comment
  UCD92630  Setaria parviflora Ernest C. Twisselmann 1971-9-19 18513 Los Angeles Ingraham Street at Lucas Street (downtown district.) 60 Comment
  UCD93320  Triticum aestivum Ernest C. Twisselmann 1965-5-18 10856 Los Angeles Tehachapi Mountains. Along Lancaster Road, ca. 3 miles SE of Gorman. 1097 Comment
  UCD93321  Triticum aestivum Ernest C. Twisselmann 1965-5-18 10856 Los Angeles Tehachapi Mountains. Along Lancaster Road, ca. 3 miles SE of Gorman. 1097 Comment
  UCD93875  Vulpia microstachys var. ciliata Ernest C. Twisselmann 1962-4-10 6856 Los Angeles Antelope Valley, Avenue A, 3.1 miles west of Highway 6. 670 Comment
  UCD93957  Vulpia microstachys var. confusa Ernest C. Twisselmann 1962-4-10 6856 Los Angeles Antelope Valley, Avenue A, 3.1 miles west of Highway 6. 670 Comment
  UCD93958  Vulpia microstachys var. confusa Ernest C. Twisselmann 1962-4-18 6978 Los Angeles Tejon Ranch, Oso Canyon, 1 mile above Oso Corral. 1036 Comment
  UCR143535  Solanum xanti var. intermedium E. C. Twisselmann 1964-6-10 9619 Los Angeles Transverse Ranges, San Emigdio Range and Mt. Pinos Region; fork at head of Castaic Valley 1311 Comment
  CAS-BOT-BC100027  Balsamorhiza deltoidea Ernest C. Twisselmann 1962-4-18 6970 Los Angeles Tejon Ranch: Oso Canyon at Oso Corrals 1005 Comment
  CAS-BOT-BC100028  Balsamorhiza deltoidea Ernest C. Twisselmann 1962-4-18 6970 Los Angeles Tejon Ranch: Oso Canyon at Oso Corrals 1005 Comment
  CAS-BOT-BC12816  Lepidium perfoliatum Ernest C. Twisselmann 1962-4-10 6833 Los Angeles Mojave Desert. Rosamund Region. Avenue A, 0.9 mile east of Highway 6. 632 Comment
  CAS-BOT-BC156794  Solanum umbelliferum E. C. Twisselmann 1955-6-23 2210 Los Angeles Castaic Valley, 1/2 mile north of Holland Summit 1219 Comment
  CAS-BOT-BC156796  Solanum umbelliferum Ernest C. Twisselmann 1955-6-23 2210 Los Angeles San Emigdio Range. Castaic Valley, 1/2 mile north of Holland Summit 1219 Comment
  CAS-BOT-BC176820  Kochia californica Ernest C. Twisselmann 1970-10-17 17552 Los Angeles Antelope Valley: Avenue C 0.6 mile east of (old) Highway 14 (wastelands at the west shore of Rosamond Dry Lake) 716 Comment
  CAS-BOT-BC176821  Kochia californica Ernest C. Twisselmann 1970-9-8 17498 Los Angeles Antelope Valley: Avenue C 0.3 mile east of Highway 14 (wastelands on the west border of Rosamond Dry Lake) 746 Comment
  CAS-BOT-BC176829  Kochia californica Ernest C. Twisselmann 1970-9-8 17498 Los Angeles Antelope Valley: Avenue C 0.3 mile east of Highway 14 (wastelands on the west border of Rosamond Dry Lake) 746 Comment
  CAS-BOT-BC176830  Kochia californica Ernest C. Twisselmann 1970-10-17 17552 Los Angeles Antelope Valley: Avenue C 0.6 mile east of (old) Highway 14 (wastelands at the west shore of Rosamond Dry Lake) 716 Comment
  CAS-BOT-BC182839  Astragalus douglasii Ernest C. Twisselmann 1959-6-2 5335 Los Angeles Old Ridge Route, 7.7 miles south of Liebre Mountain Road 1036 Comment
  CAS-BOT-BC182841  Astragalus douglasii Ernest C. Twisselmann 1959-6-2 5335 Los Angeles Old Ridge Route, 7.7 miles south of Liebre Mountain Road 1036 Comment
  CAS-BOT-BC182945  Astragalus filipes Ernest C. Twisselmann 1964-6-10 9624 Los Angeles Old Highway 101, 0.5 mile northwest of Gorman 1188 Comment
  CAS-BOT-BC182946  Astragalus filipes Ernest C. Twisselmann 1964-6-10 9624 Los Angeles Old Highway 101, 0.5 mile northwest of Gorman 1188 Comment
  CAS-BOT-BC226324  Gilia latiflora subsp. davyi Ernest C. Twisselmann 1963-4-18 6974 Los Angeles Tehachapi Mountains. Tejon Ranch: Oso Canyon, ca. 1 mile above the Oso Corral Comment
  CAS-BOT-BC238330  Keckiella ternata var. septentrionalis Ernest C. Twisselmann 1959-6-2 5320 Los Angeles Old Ridge Route, 0.25 mile north of Quail Lake Fire Station 1219 Comment
  CAS-BOT-BC269775  Eriogonum nudum var. pauciflorum Ernest C. Twisselmann 1961-10-31 6675 Los Angeles Liebre Mountains: Pine Canyon 6.2 miles north of Pine Canyon Guard Station 975 Comment
  CAS-BOT-BC269776  Eriogonum nudum var. pauciflorum Ernest C. Twisselmann 1961-10-31 6675 Los Angeles Liebre Mountains: Pine Canyon 6.2 miles north of Pine Canyon Guard Station 975 Comment
  CAS-BOT-BC279713  Chaenactis xantiana Ernest C. Twisselmann 1959-6-2 5333 Los Angeles Liebre Mountain: just below the fire lookout 1478 Comment
  CAS-BOT-BC279714  Chaenactis xantiana Ernest C. Twisselmann 1959-6-2 5333 Los Angeles Liebre Mountain: just below the fire lookout 1478 Comment
  CAS-BOT-BC286123  Conyza canadensis Ernest C. Twisselmann 1970-9-8 17481 Los Angeles Mojave Desert. Antelope Valley: Avenue A 0.2 mile east of 30th Street West 731 Comment
  CAS-BOT-BC286124  Conyza canadensis Ernest C. Twisselmann 1970-9-8 17481 Los Angeles Mojave Desert. Antelope Valley: Avenue A 0.2 mile east of 30th Street West 731 Comment
  CAS-BOT-BC29823  Achyrachaena mollis Ernest C. Twisselmann 1962-4-18 6960 Los Angeles Tehachapi Mountains, Tejon Ranch, north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  CAS-BOT-BC305882  Helminthotheca echioides Ernest C. Twisselmann 1970-3-3 16363 Los Angeles Los Angeles: parking lot at 1212 Shatto Street 76 Comment
  CAS-BOT-BC345325  Malacothrix californica Ernest C. Twisselmann 1962-4-18 6955 Los Angeles Tehachapi Mountains. Oso Canyon, about 0.5 mile above Oso Corral 975 Comment
  CAS-BOT-BC345326  Malacothrix californica Ernest C. Twisselmann 1962-4-18 6955 Los Angeles Tehachapi Mountains. Oso Canyon, about 0.5 mile above Oso Corral 975 Comment
  CAS-BOT-BC348122  Matricaria discoidea Ernest C. Twisselmann 1964-5-7 9389 Los Angeles Mojave Desert. Avenue A, south of Rogers Lake, Edwards Air Force Base 614 Comment
  CAS-BOT-BC348123  Matricaria discoidea Ernest C. Twisselmann 1962-4-10 6858 Los Angeles Mojave Desert. Antelope Valley: Avenue A, 5.2 miles west of Highway 6 670 Comment
  CAS-BOT-BC348124  Matricaria discoidea Ernest C. Twisselmann 1962-4-10 6858 Los Angeles Mojave Desert. Antelope Valley: Avenue A, 5.2 miles west of Highway 6 670 Comment
  CAS-BOT-BC348268  Matricaria occidentalis Ernest C. Twisselmann 1964-5-7 9389 Los Angeles Mojave Desert. Avenue A, south of Rogers Lake, Edwards Air Force Base 614 Comment
  CAS-BOT-BC361125  Lasthenia microglossa Ernest C. Twisselmann 1962-4-18 6946 Los Angeles Liebre Mountains: 0.25 mile northwest of the old Liebre Ranch headquarters edit 1066 Comment
  CAS-BOT-BC367544  Lasthenia microglossa Ernest C. Twisselmann 1962-4-18 6946 Los Angeles Liebre Mountain: 0.25 mile northwest of the old Leibre Ranch headquarters 1066 Comment
  CAS-BOT-BC377805  Layia platyglossa Ernest C. Twisselmann 1962-4-18 6957 Los Angeles Tehachapi Mountains. Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  CAS-BOT-BC377806  Layia platyglossa Ernest C. Twisselmann 1962-4-18 6957 Los Angeles Tehachapi Mountains. Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  CAS-BOT-BC401797  Argemone munita subsp. rotundata Ernest C. Twisselmann 1959-6-2 5341 Los Angeles Old Ridge Route, 0.8 mile south of Sandberg's Lodge 1234 Comment
  CAS-BOT-BC403174  Eschscholzia californica Ernest C. Twisselmann 1966-4-27 12108 Los Angeles Mojave Desert. Southwest side of Antelope Valley 883 Comment
  CAS-BOT-BC403175  Eschscholzia californica Ernest C. Twisselmann 1966-4-27 12108 Los Angeles Mojave Desert. Southwest side of Antelope Valley 883 Comment
  CAS-BOT-BC423110  Cleomella obtusifolia Ernest C. Twisselmann 1970-9-8 17497 Los Angeles Mojave Desert. Antelope Valley: Avenue A at 30th Street West 739 Comment
  CAS-BOT-BC423111  Cleomella obtusifolia Ernest C. Twisselmann 1970-9-8 17497 Los Angeles Mojave Desert. Antelope Valley: Avenue A at 30th Street West 739 Comment
  CAS-BOT-BC433919  Rumex salicifolius Ernest C. Twisselmann 1962-4-18 6977 Los Angeles Tehachapi Mountains. Tejon Ranch: Oso Canyon, ca. 1 mile above Oso Corral 1036 Comment
  CAS-BOT-BC433920  Rumex salicifolius Ernest C. Twisselmann 1962-4-18 6977 Los Angeles Tehachapi Mountains. Tejon Ranch: Oso Canyon, ca. 1 mile above Oso Corral 1036 Comment
  CAS-BOT-BC502622  Orobanche bulbosa Ernest C. Twisselmann 1959-6-2 5354 Los Angeles Liebre Mountain Road, 0.3 i E of the old Ridge Route 1249 Comment
  CAS-BOT-BC514369  Eriastrum densifolium subsp. elongatum Ernest C. Twisselmann 1955-8-10 2327 Los Angeles San Emigdio Range: Upper Castaic Valley 1226 Comment
  CAS-BOT-BC514370  Eriastrum densifolium subsp. elongatum Ernest C. Twisselmann 1955-8-10 2327 Los Angeles San Emigdio Range: Upper Castaic Valley 1226 Comment
  CAS-BOT-BC514446  Eriastrum eremicum subsp. eremicum Ernest C. Twisselmann 1965-5-5 10704 Los Angeles Mojave Desert: Lancaster Blvd near the Kern County Line (Edwards Air Force Base) 746 Comment
  CAS-BOT-BC514447  Eriastrum eremicum subsp. eremicum Ernest C. Twisselmann 1965-5-5 10704 Los Angeles Mojave Desert: Lancaster Blvd near the Kern County Line (Edwards Air Force Base) 746 Comment
  CAS-BOT-BC88676  Lepidium acutidens Ernest C. Twisselmann 1962-4-10 6847 Los Angeles Mojave Desert. The Mojave-Randsburg Region. Antelope Valley. Avenua A 5.1 miles northwest of Highway 6. 685 Comment
  CAS-BOT-BC88677  Lepidium acutidens Ernest C. Twisselmann 1962-4-10 6847 Los Angeles Mojave Desert. The Mojave-Randsburg Region. Antelope Valley. Avenua A 5.1 miles northwest of Highway 6. 685 Comment
  CAS-BOT-BC88940  Lepidium dictyotum Ernest C. Twisselmann 1962-4-10 6860 Los Angeles Mojave Desert. Antelope Valley. Avenue A at Highway 6. 662 Comment
  CAS-BOT-BC88941  Lepidium dictyotum Ernest C. Twisselmann 1962-4-10 6860 Los Angeles Mojave Desert. Antelope Valley. Avenue A at Highway 6. 662 Comment
  CAS-BOT-BC89419  Lepidium fremontii Ernest C. Twisselmann 1963-5-10 8152 Los Angeles Mojave Desert. Rosamond Region. Avenue A 1.5 mile east of Highway U.S. 6. 731 Comment
  CAS-BOT-BC89420  Lepidium fremontii Ernest C. Twisselmann 1963-5-10 8152 Los Angeles Mojave Desert. Rosamond Region. Avenue A 1.5 mile east of Highway U.S. 6. 731 Comment
  CAS-BOT-BC91660  Platystemon californicus Ernest C. Twisselmann 1959-6-2 5532 Los Angeles Liebre Mountain. Just below the fire lookout. 1478 Comment
  CAS-BOT-BC91661  Platystemon californicus Ernest C. Twisselmann 1959-6-2 5532 Los Angeles Liebre Mountain. Just below the fire lookout. 1478 Comment
  CAS-BOT-BC93872  Artemisia dracunculus Ernest C. Twisselmann 1955-8-10 2350 Los Angeles San Emigdio Range - Castaic Valley, .5 mile north of Holland Summit 1219 Comment
  CAS-BOT-BC93873  Artemisia dracunculus Ernest C. Twisselmann 1955-8-10 2350 Los Angeles San Emigdio Range - Castaic Valley, .5 mile north of Holland Summit 1219 Comment
  JEPS26375  Chaenactis xantiana Ernest C. Twisselmann 1959-6-2 5333 Los Angeles just below the fire lookout Liebre Mountain 1478 Comment
  JEPS31166  Balsamorhiza deltoidea Ernest C. Twisselmann 1962-4-18 6970 Los Angeles at Oso Corrals (Oso Canyon, Tejon Ranch); Oso Canyon 1005 Comment
  JEPS31168  Layia platyglossa Ernest C. Twisselmann 1962-4-18 6957 Los Angeles n side of Oso Canyon Road to Mexican Mine; Tejon Ranch 1005 Comment
  JEPS31169  Malacothrix californica Ernest C. Twisselmann 1962-4-18 6955 Los Angeles 0.5 mi above Oso Corral; Tehachapi Mountains, Oso Canyon 975 Comment
  JEPS36099  Matricaria occidentalis Ernest C. Twisselmann 1964-5-7 9389 Los Angeles s of Rogers Lake (Avenue A); Mojave Desert, Edwards Air Force Base 614 Comment
  JEPS52167  Artemisia dracunculus Ernest C. Twisselmann 1966-9-8 12789 Los Angeles Upper Castaic Valley San Emigdio Range 1188 Comment
  JEPS52197  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1966-9-8 12787 Los Angeles Castaic Valley; San Emigdio Range and Mt. Pinos 1188 Comment
  RSA0016257  Gilia ochroleuca subsp. bizonata E. C. Twisselmann 1959-6-2 5324 Los Angeles Summit of Liebre Mountain 1677 Comment
  RSA0082545  Lupinus microcarpus var. microcarpus Ernest C. Twisselmann 1962-4-18 6956 Los Angeles Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine. 1005 Comment
  RSA0082546  Lupinus excubitus var. austromontanus Ernest C. Twisselmann 1962-4-18 6973 Los Angeles Tejon Ranch: Oso Canyon, ca. 1 mile above Oso Corral. 1036 Comment
  RSA0082604  Collinsia bartsiifolia var. davidsonii Ernest C. Twisselmann 1962-4-18 6952 Los Angeles Tejon Ranch: Oso Canyon. 1036 Comment
  RSA0082655  Rumex salicifolius Ernest C. Twisselmann 1962-4-18 6977 Los Angeles Tejon Ranch: Oso Canyon, ca. 1 mile above Oso Corral. 1036 Comment
  RSA0082688  Malacothrix californica Ernest C. Twisselmann 1962-4-18 6955 Los Angeles Oso Canyon, about 0.5 mile above Oso Corral. 1036 Comment
  RSA0082761  Layia platyglossa Ernest C. Twisselmann 1962-4-18 6957 Los Angeles Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine. 1005 Comment
  RSA0082762  California macrophylla Ernest C. Twisselmann 1962-4-19 6959 Los Angeles Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine. 1005 Comment
  RSA0082767  Poa secunda subsp. secunda Ernest C. Twisselmann 1962-4-18 6954 Los Angeles Oso Canyon, 0.5 mile west of Coe Field fence. 1036 Comment
  RSA0082769  Poa secunda subsp. secunda Ernest C. Twisselmann 1962-4-18 6954 Los Angeles Oso Canyon, 0.5 mile west of Coe Field fence. 1036 Comment
  RSA115723  Cryptantha nevadensis var. rigida E. C. Twisselmann 1955-6-23 2206 Los Angeles Mt Abel Road, at Kern County line 1646 Comment
  RSA115727  Solanum umbelliferum E. C. Twisselmann 1955-6-23 2210 Los Angeles Castaic Valley, 1/2 mile north of Holland Summit. 1220 Comment
  RSA179937  Sidalcea malviflora subsp. sparsifolia E. C. Twisselmann 1965-5-18 10855 Los Angeles Along the Lancaster Road ca. 3 miles southeast of Gorman. 1098 Comment
  RSA179938  Marrubium vulgare E. C. Twisselmann 1965-5-18 10854 Los Angeles Aqueduct Road at the northwest end of Antelope Valley (Neenach region). 945 Comment
  RSA187004  Lessingia glandulifera var. peirsonii E. C. Twisselmann 1966-9-8 12787 Los Angeles Upper Castaic Valley. 1189 Comment
  RSA203443  Eriogonum baileyi var. baileyi E. C. Twisselmann 1955-8-10 2331 Los Angeles Upper Castaic Valley. 1227 Comment
  RSA216635  Cleomella obtusifolia E. C. Twisselmann 1970-9-8 17497 Los Angeles Antelope Valley: Avenue A at 30th Street West. 739 Comment
  RSA223704  Atriplex torreyi E. C. Twisselmann 1970-9-8 17474 Los Angeles North end of Rosamond Lake. 732 Comment
  RSA223712  Heliotropium curassavicum var. oculatum E. C. Twisselmann 1970-9-8 17482 Los Angeles Antelope Valley, Avenue A 0.2 mile E of 30th Street west 732 Comment
  RSA223789  Kochia californica E. C. Twisselmann 1970-9-8 17492 Los Angeles Antelope Valley: Highway 14 at Avenue A. 762 Comment
  SBBG14469  Lepidium dictyotum E. C. Twisselmann 1962-4-10 6847 Los Angeles Ave A, 5.1 mi NW of Hwy 6 685 Comment
  SBBG20914  Astragalus filipes E. C. Twisselmann 1964-6-10 9624 Los Angeles Old Hwy 99, 0.5 mi NW of Gorman 1188 Comment
  SBBG41739  Kochia californica E. C. Twisselmann 1970-9-8 17498 Los Angeles Avenue C, 0.3 mi E of Hwy 14 (wastelands on the W border of Rosamond Dry Lake) 746 Comment
  SEINET10484944  Lupinus bicolor subsp. tridentatus Ernest C. Twisselmann 1966-4-27 Twisselmann 12109 Los Angeles Sw side of antelope valley, los angeles county. Flowers blue. Abundant on an abandoned farming field, growing in light Gravelly soil. Originally joshua tree woodland. 884 Comment
  SEINET10488972  Lupinus sparsiflorus Ernest C. Twisselmann 1959-6-2 Twisselmann 5322 Los Angeles Liebre mtn rd, .6 mi e of the old ridge road. Corollas bright violet, fading Blue, center of standard white. Extensive colony growing on a rocky gravel Bank. Chaparral association. 1356 Comment
  UCD104750  Astragalus douglasii Ernest C. Twisselmann 1959-6-2 s.n. Los Angeles Old Ridge Route, 7.7 miles south of Liebre Mountain Road. 1036 Comment
  UCD108775  Vicia americana subsp. americana Ernest C. Twisselmann 1959-6-1 5344 Los Angeles Hungry Valley Road, 2.8 miles southwest of Gorman, Shandon, CA. 1402 Comment
  UCD124980  Marrubium vulgare Ernest C. Twisselmann 1965-5-18 10854 Los Angeles Aqueduct Road at the northwest end of Antelope Valley (Neenach region). 944 Comment
  UCD134452  Matricaria occidentalis Ernest C. Twisselmann 1964-5-7 9389 Los Angeles Avenue A, south of Rogers Lake, Edwards Air Force Base. 614 Comment



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