Aceraceae A: 00363455 Acer glabrum Torrey USA: California Panamint Mts. Ralph Hoffmann 280 1931-5-16
Asteraceae A: 00386873 Baccharis salicifolia (Ruiz & Pavon) Persoon USA: California Main Ranch, Santa Cruz Isl. Ralph Hoffmann 192 1931-4-12
A: 00386873 Baccharis viminea de Candolle USA: California Main Ranch, Santa Cruz Isl. Ralph Hoffmann 192 1931-4-12
GH: 00404149 Brickellia atractyloides arguta (B. L. Robinson) Jepson USA: California Darwin Grade Ralph Hoffmann 1931-5-16
Berberidaceae A: 00376771 Berberis pinnata insularis Munz USA: California Santa Cruz Isl., west end Ralph Hoffmann 189 1931-4-12
A: 00376771 Mahonia pinnata Kunth USA: California Santa Cruz Isl., west end Ralph Hoffmann 189 1931-4-12
Boraginaceae GH: 01956464 Amsinckia intermedia Fischer & C. A. Meyer USA: California Prisoners Harbor, Santa Cruz Island Ralph Hoffmann 247 1931-4-13
GH: 01956466 Amsinckia intermedia Fischer & C. A. Meyer USA: California interior of Santa Cruz Island Ralph Hoffmann 248 1931-4-10
GH: 01956467 Amsinckia intermedia Fischer & C. A. Meyer USA: California interior of Santa Cruz Island Ralph Hoffmann 248 1931-4-10
GH: 01956468 Amsinckia intermedia Fischer & C. A. Meyer USA: California interior of Santa Cruz Island Ralph Hoffmann 248 1931-4-10
GH: 01956469 Amsinckia intermedia Fischer & C. A. Meyer USA: California China Harbor, Santa Cruz Island Ralph Hoffmann 250 1931-4-12
GH: 01956476 Amsinckia intermedia Fischer & C. A. Meyer USA: California near China Harbor, Santa Cruz Island Ralph Hoffmann 249 1931-4-12
GH: 01956554 Amsinckia intermedia Fischer & C. A. Meyer USA: California Main Ranch, interior of Santa Cruz Island Ralph Hoffmann 244 1931-4-11
GH: 01956555 Amsinckia intermedia Fischer & C. A. Meyer USA: California Main Ranch, interior of Santa Cruz Island Ralph Hoffmann 245 1931-4-11
GH: 00424648 Amsinckia sp. USA: California east of Prisoners Harbor Ralph Hoffmann 246 1931-4-13
GH: 01956949 Amsinckia spectabilis Fischer & C. A. Meyer USA: California Surf Ralph Hoffmann 417 1931-6-6
GH: 01956957 Amsinckia spectabilis Fischer & C. A. Meyer USA: California Oceano Ralph Hoffmann 367 1931-5-30
GH: 01957058 Amsinckia tessellata A. Gray USA: California Darwin Wash Ralph Hoffmann 1931-6-20
GH: 00424891 Cryptantha decipiens (M. E. Jones) A. Heller USA: California in "49-Palm Canyon", 6 miles S. of Twentynin... Ralph Hoffmann 401 1931-6-13
GH: 00424895 Cryptantha decipiens (M. E. Jones) A. Heller USA: California 2 miles south of Warren's Well Ralph Hoffmann 835 1931-6-13
GH: 00424939 Cryptantha rattanii Greene USA: California Liebre Station, Ridge Route, No. Los Angeles... Ralph Hoffmann 13 1931-6-6
Caprifoliaceae A: 00386000 Lonicera involucrata ledebourii (Eschscholtz) Jepson USA: California Mouth of Santa Maria Mt. Ralph Hoffmann 364 1931-5-31
A: 00386000 Lonicera ledebourii Eschscholtz USA: California Mouth of Santa Maria Mt. Ralph Hoffmann 364 1931-5-31
GH: 00386301 Symphoricarpos longiflorus A. Gray USA: California Wild Rose Canyon, Panamint Mts Ralph Hoffmann 451 1931-6-20
A: 00386369 Symphoricarpos mollis Nuttall ex Torrey & A. Gray USA: California Santa Cruz Isl. Ralph Hoffmann 196 1931-4-10
A: 00386373 Symphoricarpos mollis Nuttall ex Torrey & A. Gray USA: California Santa Cruz Island Ralph Hoffmann 196 1931-4
Ericaceae A: 00343963 Arbutus menziesii Pursh USA: California Santa Cruz I. Ralph Hoffmann 599 1931-9-9
A: 00363221 Vaccinium ovatum Pursh USA: California Head of canyon Pine Forest west end, Santa C... Ralph Hoffmann 186 1931-4-12
Fagaceae A: 00344574 Quercus chrysolepis Liebmann USA: California Santa Cruz Island Ralph Hoffmann 579 1931-9-9
A: 00344576 Quercus chrysolepis Liebmann USA: California Santa Cruz I. Ralph Hoffmann 578 1931-9-8
A: 00343403 Quercus morehus Kellogg USA: California Santa Cruz Island Ralph Hoffmann 200 1931-4-12
Lamiaceae A: 00400382 Lepechinia fragrans (Greene) Epling USA: California near Pelican Harbor, Santa Cruz Isl. Ralph Hoffmann 1931-4-12
A: 00400653 Monardella undulata crispa Elvin & A. C. Sanders USA: California Between Cosmalia + Point Sal. Ralph Hoffmann 1931-5-31
A: 00403478 Salvia pachyphylla Epling ex Munz USA: California Wild Rose Canyon, Panamint Mts. Ralph Hoffmann 465 1931
Plantaginaceae A: 00365719 Keckiella cordifolia (Bentham) Straw USA: California Santa Cruz Island Ralph Hoffmann 195 1931-4-10
Poaceae GH: 00360725 Poa fendleriana longiligula (Scribner & T. A. Williams) Soreng USA: California ridge above Wild Rose Canyon, Panamint Mts. Ralph Hoffmann 297 1931-5-15
GH: 00360725 Poa longiligula Scribner & T. A. Williams USA: California ridge above Wild Rose Canyon, Panamint Mts. Ralph Hoffmann 297 1931-5-15
Rhamnaceae A: 00349117 Ceanothus cuneatus (Hooker) Nuttall USA: California Point Sal Ralph Hoffmann 1931-5-31
A: 00425394 Ceanothus thyrsiflorus Eschscholtz USA: California north slope of Pt. Sal Ralph Hoffmann 1931-5-31
A: 00378431 Rhamnus crocea pirifolia (Greene) Little USA: California Santa Cruz Isl. Ralph Hoffmann 198 1931-4-10
A: 00378431 Rhamnus pirifolia Greene USA: California Santa Cruz Isl. Ralph Hoffmann 198 1931-4-10
Rosaceae A: 00346779 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: California Wild Rose Canyon, Panamint Mts. Ralph Hoffmann 321 1931
A: 01587557 Cercocarpus montanus blancheae (C. K. Schneider) F. L. Martin USA: California Canyon west of Puerta Zuela, Santa Cruz Isla... Ralph Hoffmann 184 1931-4-12
A: 01587558 Cercocarpus montanus blancheae (C. K. Schneider) F. L. Martin USA: California canyon west of Puerta Zuela, Santa Cruz Isl. Ralph Hoffmann 183 1931-4-12
A: 01587569 Cercocarpus montanus blancheae (C. K. Schneider) F. L. Martin USA: California interior of Santa Cruz Isl. 1 mi. n.e. of ma... Ralph Hoffmann 185 1931-4-12
A: 00345486 Cercocarpus traskiae Eastwood USA: California West End of Santa Cruz Island Ralph Hoffmann 1931-4-12
A: 00345067 Holodiscus microphyllus Rydberg USA: California Big Pine Creek Ralph Hoffmann 953 1931-8-31
A: 00345902 Rosa californica Chamisso & Schlechtendal USA: California Along stream at Cochie [Coches] Priestos, Sa... Ralph Hoffmann 194 1931-4-12
A: 00345927 Rosa californica Chamisso & Schlechtendal USA: California Bank of stream, interior, 1 mile below Marin... Ralph Hoffmann 193 1931-4-12
A: 00345902 Rosa greenei Rydberg USA: California Along stream at Cochie [Coches] Priestos, Sa... Ralph Hoffmann 194 1931-4-12
Rubiaceae A: 00385769 Galium buxifolium Greene USA: California Prisoner's Harbor, Santa Cruz Isl. Ralph Hoffmann 187 1931-4-12
Salicaceae A: 00383345 Salix laevigata Bebb USA: California Main canyon on west Santa Catalina Isl. Ralph Hoffmann 197 1931-4-10
Saxifragaceae GH: 00363388 Heuchera rubescens Torrey USA: California Wild Rose Canyon, Panamint Mts. Ralph Hoffmann 270 1931-5-16
A: 00363965 Ribes aureum gracillimum (Coville & Britton) Jepson USA: California lower Bouquet Canyon Ralph Hoffmann 344 1931
A: 00380085 Ribes cereum Douglas USA: California Telescope Pk. Panamint Mts. Ralph Hoffmann 488 1931-6-21
A: 00380086 Ribes cereum Douglas USA: California Wild Rose Canyon, Panamint Mt. Ralph Hoffmann 320 1931-5-16
A: 00380170 Ribes divaricatum pubiflorum Koehne USA: California Mouth of Santa Maria River Ralph Hoffmann 425 1931-5-31
A: 00380172 Ribes divaricatum pubiflorum Koehne USA: California Oceano Ralph Hoffmann 427 1931-5-30
A: 00380358 Ribes malvaceum Smith USA: California Pine Forest Westend Santa Cruz Isl. Ralph Hoffmann 190 1931-4-12
