Asteraceae GH: 02141830 Agoseris retrorsa (Bentham) Greene USA: California [data not captured] E. C. Twisselmann 13249 1967-5-31
GH: 00387291 Ericameria bloomeri (A. Gray) J. F. Macbride USA: California Ridge east of Paloma Meadow E. C. Twisselmann 13895 1967-9-21
GH: 00387292 Ericameria bloomeri (A. Gray) J. F. Macbride USA: California Forest loop road 2.2 miles west of Black Roc... E. C. Twisselmann 13923 1967-9-21
GH: 00387291 Haplopappus bloomeri A. Gray USA: California Ridge east of Paloma Meadow E. C. Twisselmann 13895 1967-9-21
GH: 00387292 Haplopappus bloomeri A. Gray USA: California Forest loop road 2.2 miles west of Black Roc... E. C. Twisselmann 13923 1967-9-21
GH: 00443109 Stephanomeria tenuifolia (Torrey) H. M. Hall USA: California Monache Jeep Trail, 4 miles north of Black R... E. C. Twisselmann 13767 1967-9-20
GH: 00427921 Tetradymia spinosa longispina M. E. Jones USA: California The Kern Plateau, Sacatar Meadows E. C. Twisselmann 13483 1967-6-27
Boraginaceae GH: 01956344 Amsinckia intermedia Fischer & C. A. Meyer USA: California just above the Cherry Hill Road E. C. Twisselmann 13229 1967-5-31
Brassicaceae GH: 00948370 Boechera sparsiflora (Nuttall) Dorn USA: California Cherry Hill Road 0.8 mile above the Kern Can... E. C. Twisselmann 13214 1967-5-31
GH: 00948371 Boechera sparsiflora (Nuttall) Dorn USA: California Cherry Hill Road 0.8 mile above the Kern Can... E. C. Twisselmann 13214 1967-5-31
GH: 00944771 Brassica rapa Linnaeus USA: California Mouth of Mill Creek, coastal strand E. C. Twisselmann 12963 1967-4-27
GH: 01097780 Cakile maritima Scopoli USA: California Highway 1, 2.9 miles south of Piedras Blanca... E. C. Twisselmann 12918 1967-4-27
Fabaceae GH: 02619494 Trifolium cyathiferum Lindley USA: California [data not captured] E. C. Twisselmann 13789 1967-9-20
GH: 02343302 Trifolium longipes Nuttall USA: California [data not captured] E. C. Twisselmann 13864 1967-9-21
Juncaceae GH: 02400012 Juncus macrophyllus Coville USA: California [data not captured] E. C. Twisselmann 13827 1967-9-20
GH: 02398582 Juncus sphaerocarpus Nees USA: California [data not captured] E. C. Twisselmann 13909 1967-9-21
Malvaceae GH: 00420850 Sidalcea multifida Greene USA: California The Kern Plateau E. C. Twisselmann 13471 1967-6-27
Plantaginaceae GH: 02212541 Callitriche palustris Linnaeus USA: California [data not captured] E. C. Twisselmann 13849 1967-9-21
GH: 01998332 Collinsia childii Parry USA: California [data not captured] E. C. Twisselmann 13419 1967-6-26
Polygonaceae GH: 00403061 Eriogonum covilleanum Eastwood USA: California Panoche Road, 3 miles below Idria E. C. Twisselmann 13350 1967-6-12
GH: 00403062 Eriogonum covilleanum Eastwood USA: California Panoche Road, 3 miles below Idria E. C. Twisselmann 13350 1967-6-12
GH: 00364213 Eriogonum gossypinum Curran USA: California Bluffs across Kern River from Hart park (sam... E. C. Twisselmann 13307 1967-6-1
GH: 00364600 Eriogonum vestitum J. T. Howell USA: California Panoche Road, 3.6 miles below Idria E. C. Twisselmann 13349 1967-6-12
Portulacaceae GH: 01858267 Cistanthe monandra (Nuttall) Hershkovitz USA: California Cherry Hill Road, 0.7 mile above the highway E. C. Twisselmann 13272 1967-5-31
Ranunculaceae GH: 01709725 Aquilegia formosa pauciflora (Greene) Boothman USA: California Paloma Meadow E. C. Twisselmann 13872 1967-9-21
Rosaceae GH: 00346146 Rosa woodsii ultramontana (S. Watson) Jepson USA: California The Kern Plateau. Fish Creek at the mouth of... E. C. Twisselmann 13937 1967-9-21
Salicaceae GH: 00382683 Salix exigua Nuttall USA: California South Fork of Kern River at the north end of... E. C. Twisselmann 13486 1967-6-27
Saxifragaceae GH: 00380624 Ribes nevadense Kellogg USA: California Whistle Creek, east of Poison Meadow E. C. Twisselmann 13580 1967-8-29
GH: 00380775 Ribes roezlii Regel USA: California Wistle Creek, east of Poison Meadow E. C. Twisselmann 13579 1967-8-29