FH: 00408555 Bryoria fremontii (Tuckerman) Brodo & D. Hawksworth USA: California [data not captured] J. T. Howell 1934
Asteraceae GH: 00427343 Artemisia arbuscula thermopola Beetle USA: California Patterson Mill Road, Warner Mts. J. T. Howell 12098A 1934-6-13
GH: 02020464 Cirsium candidissimum Dammer USA: California [data not captured] J. T. Howell 12562 1934-7-11
GH: 02020728 Cirsium drummondii acaulescens (A. Gray) J. F. Macbride USA: California [data not captured] J. T. Howell 11833 1934-6-9
GH: 02020722 Cirsium drummondii acaulescens (A. Gray) J. F. Macbride USA: California [data not captured] J. T. Howell 12435 1934-7-6
GH: 02021141 Cirsium inamoenum (Greene) D. J. Keil USA: California [data not captured] J. T. Howell 11908 1934-6-10
GH: 02021137 Cirsium inamoenum (Greene) D. J. Keil USA: California [data not captured] J. T. Howell 12058 1934-6-13
GH: 02021136 Cirsium inamoenum (Greene) D. J. Keil USA: California [data not captured] J. T. Howell 11834 1934-6-9
GH: 02203809 Dieteria canescens shastensis (A. Gray) D. R. Morgan & R. L. Hartman USA: California [data not captured] J. T. Howell 12434 1934-7-6
GH: 02207836 Erigeron bloomeri A. Gray USA: California [data not captured] J. T. Howell 12513 1934-7-8
GH: 02207835 Erigeron bloomeri A. Gray USA: California [data not captured] J. T. Howell 11913 1934-6-11
GH: 02206088 Erigeron chrysopsidis austiniae (Greene) Cronquist USA: California [data not captured] J. T. Howell 11936 1934-6-11
GH: 02348042 Erigeron eatonii plantagineus (Greene) Cronquist USA: California [data not captured] J. T. Howell 12179 1934-6-14
GH: 02348244 Erigeron filifolius Nuttall USA: California [data not captured] J. T. Howell 12014 1934-6-12
GH: 02348243 Erigeron filifolius Nuttall USA: California [data not captured] J. T. Howell 12099 1934-6-13
GH: 02353698 Erigeron linearis (Hooker) Piper USA: California [data not captured] J. T. Howell 12252 1934-6-30
GH: 02353697 Erigeron linearis (Hooker) Piper USA: California [data not captured] J. T. Howell 12261 1934-6-30
GH: 02353695 Erigeron linearis (Hooker) Piper USA: California [data not captured] J. T. Howell 12007 1934-6-12
GH: 02593159 Microseris nutans (Hooker) Schultz Bipontinus USA: California Fandango Pass; Warner Mts. J. T. Howell 12051 1934-6-13
GH: 02593158 Microseris nutans (Hooker) Schultz Bipontinus USA: California Fandango Pass; Warner Mts. J. T. Howell 12057 1934-6-13
Aytoniaceae FH: 00497681 Fimbraria bolanderi Austin USA: California [data not captured] J. T. Howell 1934-3-28
Betulaceae A: 00401428 Betula fontinalis Sargent USA: California Patterson Mill Road, Warner Mts. J. T. Howell 12095 1934-6-13
A: 00401428 Betula occidentalis Hooker USA: California Patterson Mill Road, Warner Mts. J. T. Howell 12095 1934-6-13
Boraginaceae GH: 01956335 Amsinckia intermedia Fischer & C. A. Meyer USA: California Lakeville J. T. Howell 11778 1934-3-25
GH: 01956337 Amsinckia intermedia Fischer & C. A. Meyer USA: California Lakeville J. T. Howell 11777 1934-3-25
GH: 01956338 Amsinckia intermedia Fischer & C. A. Meyer USA: California Lakeville J. T. Howell 11775 1934-3-25
GH: 01956346 Amsinckia intermedia Fischer & C. A. Meyer USA: California Southwestern base of Mt. Hood J. T. Howell 11785 1934-3-26
GH: 01956360 Amsinckia intermedia Fischer & C. A. Meyer USA: California Southwestern base of Mt. Hood J. T. Howell 11786 1934-3-26
GH: 01956362 Amsinckia intermedia Fischer & C. A. Meyer USA: California Southwestern base of Mt. Hood J. T. Howell 11787 1934-3-26
GH: 01956364 Amsinckia intermedia Fischer & C. A. Meyer USA: California Southwestern base of Mt. Hood J. T. Howell 11789 1934-3-26
GH: 01956365 Amsinckia intermedia Fischer & C. A. Meyer USA: California Lakeville J. T. Howell 11776 1934-3-25
GH: 01956370 Amsinckia intermedia Fischer & C. A. Meyer USA: California Southwestern base of Mt. Hood J. T. Howell 11788 1934-3-26
GH: 01956406 Amsinckia intermedia Fischer & C. A. Meyer USA: California Honey Lake Valley, 24 miles s. of Susanville J. T. Howell 11870 1934-6-10
GH: 01956415 Amsinckia intermedia Fischer & C. A. Meyer USA: California Parker Creek, Warner Mts. J. T. Howell 12210 1934-6-16
GH: 01956416 Amsinckia intermedia Fischer & C. A. Meyer USA: California 6 miles s. of Davis Creek J. T. Howell 11995 1934-6-12
GH: 01956417 Amsinckia intermedia Fischer & C. A. Meyer USA: California Parker Creek, Warner Mts. J. T. Howell 12211 1934-6-16
GH: 01956627 Amsinckia lycopsoides Lehmann USA: California Big Valley, 4 miles ne. of Bieber J. T. Howell 12219 1934-6-16
GH: 01956739 Amsinckia menziesii A. Nelson & J. F. Macbride USA: California 5 miles n. of Horse Lake on road to Alturas J. T. Howell 11899 1934-6-10
GH: 01956740 Amsinckia menziesii A. Nelson & J. F. Macbride USA: California 5 miles from Adin on road to Alturas J. T. Howell 12218 1934-6-16
GH: 01956741 Amsinckia menziesii A. Nelson & J. F. Macbride USA: California 10 miels s. of New Pine Creek J. T. Howell 12039 1934-6-12
GH: 01956742 Amsinckia menziesii A. Nelson & J. F. Macbride USA: California Davis Creek J. T. Howell 12005 1934-6-12
GH: 01956745 Amsinckia menziesii A. Nelson & J. F. Macbride USA: California Big Valley, 4 miles ne. of Bieber J. T. Howell 12220 1934-6-15
GH: 01956786 Amsinckia menziesii A. Nelson & J. F. Macbride USA: California Lakeville J. T. Howell 11774 1934-3-25
GH: 00424644 Amsinckia sp. USA: California Surprise Valley, near Fort Bidwell J. T. Howell 12085 1934-6-13
GH: 00424645 Amsinckia sp. USA: California Parker Creek, Warner Mts. J. T. Howell 12209 1934-6-16
GH: 01957027 Amsinckia tessellata A. Gray USA: California Parker Creek, Warner Mts. J. T. Howell 12212 1934-6-16
GH: 01957028 Amsinckia tessellata A. Gray USA: California Parker Creek, Warner Mts. J. T. Howell 12213 1934-6-16
GH: 01957032 Amsinckia tessellata A. Gray USA: California 10 miles s. of New Pine Creek J. T. Howell 12038 1934-6-12
GH: 01957033 Amsinckia tessellata A. Gray USA: California 11 miles ne. of Canby J. T. Howell 12216 1934-6-16
GH: 01957086 Amsinckia tessellata A. Gray USA: California Parker Creek, Warner Mts. J. T. Howell 12214 1934-6-16
GH: 01957087 Amsinckia tessellata A. Gray USA: California Honey Lake Valley, 24 miles s. of Susanville J. T. Howell 11869 1934-6-10
GH: 01957088 Amsinckia tessellata A. Gray USA: California Madeline Plains near Termo J. T. Howell 11907 1934-6-10
GH: 01957091 Amsinckia tessellata A. Gray USA: California Spalding's, on Eagle Lake J. T. Howell 12488 1934-7-8
GH: 01957092 Amsinckia tessellata A. Gray USA: California Near Plumas Junction J. T. Howell 11842 1934-6-10
GH: 01957095 Amsinckia tessellata A. Gray USA: California 3 miles n. of Omira J. T. Howell 11855 1934-6-10
GH: 01957096 Amsinckia tessellata A. Gray USA: California 3 miles n. of Omira J. T. Howell 11856 1934-6-10
GH: 00420059 Hackelia cusickii (Piper) Brand USA: California Parker Creek, Warner Mts., Modoc Co. J. T. Howell 11960 1934-6-11
GH: 00403950 Plagiobothrys mollis (A. Gray) I. M. Johnston USA: California Dorris Reservoir, 2 miles e. of Alturas J. T. Howell 12197 1934-6-15
GH: 00420152 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: California Patterson Flats J. T. Howell 12539 1934-7-10
GH: 00420168 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: California Harvey Valley J. T. Howell 12479 1934-7-7
GH: 00420169 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: California Long's Well J. T. Howell 12549 1934-7-10
GH: 00420180 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: California Plum Valley, Warner Mts. J. T. Howell 12034 1934-6-12
GH: 00420181 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: California Parker Creek, Warner Mts. J. T. Howell 11912 1934-6-11
GH: 00420192 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: California Near Lost Lake, Warner Mts. J. T. Howell 12126 1934-6-14
GH: 00420198 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: California Plum Valley, Warner Mts. J. T. Howell 12034A 1934-6-12
GH: 00420213 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: California Patterson Flats J. T. Howell 12540 1934-7-10
Brassicaceae GH: 00378869 Arabis repanda S. Watson USA: California Truckee River Canyon near Floriston J. T. Howell 11836 1934-6-9
GH: 00378869 Boechera repanda (S. Watson) Al-Shehbaz USA: California Truckee River Canyon near Floriston J. T. Howell 11836 1934-6-9
GH: 00960792 Boechera retrofracta (Graham) A. Löve & D. Löve USA: California Duncan Horse Camp J. T. Howell 12267 1934-6-30
GH: 00944410 Boechera sp. USA: California [data not captured] J. T. Howell 11994 1934-6-12
GH: 00948334 Boechera sparsiflora (Nuttall) Dorn USA: California Near Lost Lake, Warner Mts. J. T. Howell 12138 1934-6-14
GH: 01084127 Descurainia pinnata intermedia (Rydberg) Detling USA: California [data not captured] J. T. Howell 12290 1934-6-30
GH: 00379733 Lepidium montanum Nuttall USA: California Alturus J. T. Howell 12182 1934-6-15
GH: 01733057 Turritis glabra Linnaeus USA: California Plum Valley, Warner Mts J. T. Howell 12021 1934-6-12
Chenopodiaceae GH: 01781112 Bassia hyssopifolia (Pallas) Kuntze USA: California [data not captured] J. T. Howell 12247 1934-6-17
GH: 01784960 Micromonolepis pusilla (Torrey ex S. Watson) Ulbrich USA: California [data not captured] J. T. Howell 11895 1934-6-10
A: 00376592 Sarcobatus vermiculatus (Hooker) Torrey USA: California Horse Lake J. T. Howell 11897 1934-6-10
Cupressaceae A: 00356422 Cupressus bakeri Jepson USA: California Lava flow between Timered Crater and Little ... J. T. Howell 12386 1934-7-4
A: 00356308 Juniperus occidentalis Hooker USA: California Parker Creek, Warner Mts. J. T. Howell 12208B 1934-6-16
A: 00356349 Juniperus occidentalis Hooker USA: California Parker Creek, Warner Mts. J. T. Howell 12208A 1934-6-16
Elatinaceae GH: 00351722 Elatine brachysperma A. Gray USA: California Dorris Reservoir, 2 miles e. of Alturas J. T. Howell 12200 1934-6-15
GH: 00351722 Elatine chilensis Gay USA: California Dorris Reservoir, 2 miles e. of Alturas J. T. Howell 12200 1934-6-15
GH: 00351722 Elatine rubella Rydberg USA: California Dorris Reservoir, 2 miles e. of Alturas J. T. Howell 12200 1934-6-15
Ericaceae A: 00350090 Arctostaphylos canescens Eastwood USA: California Between Fort Ross and Stewart's Point J. T. Howell 11748 1934-3-3
GH: 00350100 Arctostaphylos canescens Eastwood USA: California Between Fort Ross and Stewart's Point J. T. Howell 11747 1934-3-3
A: 00350129 Arctostaphylos canescens Eastwood USA: California Between Fort Ross and Stewart's Point J. T. Howell 11747 1934-3-3
GH: 00350145 Arctostaphylos columbiana Piper USA: California 2 miles east of Mendocino City J. T. Howell 11764 1934-3-4
GH: 00350146 Arctostaphylos columbiana Piper USA: California Between Fort Ross and Stewart's Point J. T. Howell 11745 1934-3-3
GH: 00350147 Arctostaphylos columbiana Piper USA: California Between Fort Ross and Stewart's Point J. T. Howell 11746 1934-3-3
A: 00350153 Arctostaphylos columbiana Piper USA: California Along Navarro River, 5 miles west of Navarro J. T. Howell 11769 1934-3-4
A: 00350154 Arctostaphylos columbiana Piper USA: California 2 miles east of Mendocino City J. T. Howell 11764 1934-3-4
A: 00350155 Arctostaphylos columbiana Piper USA: California Between Fort Ross and Stewart's Point J. T. Howell 11744 1934-3-3
A: 00350205 Arctostaphylos crustacea Eastwood USA: California Lake Merced, San Francisco J. T. Howell 11773 1934-3-4
A: 00350270 Arctostaphylos crustacea rosei (Eastwood) McMinn USA: California Lake Merced, San Francisco J. T. Howell 11772 1934-3-9
GH: 00350275 Arctostaphylos crustacea rosei (Eastwood) McMinn USA: California Lake Merced, San Francisco J. T. Howell 11772 1934-3-9
Fossombroniaceae FH: 01135514 Fossombronia longiseta Austin USA: California [data not captured] J. T. Howell 1934-4-1
Frullaniaceae FH: 00498741 Frullania tamarisci nisquallensis (Sullivant) S. Hattori USA: California Mendocino City: [data not captured] J. T. Howell 292 1934
FH: 00498745 Frullania tamarisci nisquallensis (Sullivant) S. Hattori USA: Oregon [data not captured] J. T. Howell 354 1934-4-15
Hydrophyllaceae GH: 00401042 Phacelia ramosissima Douglas ex Lehmann USA: California Janesville J. T. Howell 11873 1934-6-10
Plantaginaceae GH: 01046036 Antirrhinum cornutum Bentham USA: California 6 miles s. of Corning J. T. Howell 12241 1934-6-17
GH: 02118944 Penstemon sudans M. E. Jones USA: California [data not captured] J. T. Howell 11880 1934-6-10
Poaceae GH: 00341804 Festuca idahoensis Elmer USA: California Duncan Horse Camp J. T. Howell 12335 1934-7-1
Polygonaceae GH: 00364342 Eriogonum microthecum ambiguum (M. E. Jones) Reveal USA: California Patterson Mill Road, Warner Mts. J. T. Howell 12098 1934-6-13
GH: 00364343 Eriogonum microthecum ambiguum (M. E. Jones) Reveal USA: California Patterson Mill Road, Warner Mts. J. T. Howell 12098 1934-6-13
GH: 01986450 Eriogonum ovalifolium Nuttall USA: California [data not captured] J. T. Howell 12469 1934-7-7
GH: 01966680 Eriogonum sphaerocephalum fasciculifolium (A. Nelson) S. Stokes USA: California [data not captured] J. T. Howell 11864 1934-6-10
GH: 00443173 Eriogonum truncatum Torrey & A. Gray USA: California 10 miles from Clayton on Marsh Creek Road J. T. Howell 11816 1934-4-8
GH: 02043775 Eriogonum umbellatum Torrey USA: California Harvey Valley J. T. Howell 12436 1934-7-6
GH: 02043774 Eriogonum umbellatum modocense (Greene) S. Stokes USA: California Duncan Horse Camp J. T. Howell 12327 1934-7-1
GH: 02043775 Eriogonum umbellatum modocense (Greene) S. Stokes USA: California Harvey Valley J. T. Howell 12436 1934-7-6
GH: 01962011 Eriogonum vimineum Douglas ex Bentham USA: California [data not captured] J. T. Howell 11893 1934-6-10
GH: 01962019 Eriogonum vimineum Douglas ex Bentham USA: California [data not captured] J. T. Howell 12244 1934-6-17
GH: 00364822 Polygonum patulum M. Bieberstein USA: California Suisun Marshes at Suisun J. T. Howell 12576 1934-9-23
GH: 02007764 Polygonum sawatchense Small USA: California [data not captured] J. T. Howell 12528 1934-7-9
GH: 02007763 Polygonum sawatchense Small USA: California [data not captured] J. T. Howell 12317 1934-7-1
GH: 00364822 Polygonum sp. USA: California Suisun Marshes at Suisun J. T. Howell 12576 1934-9-23
Rhamnaceae A: 00349340 Ceanothus gloriosus J. T. Howell USA: California 8 miles s. of Stewart's Point J. T. Howell 11742 1934-3-3
A: 00425589 Ceanothus velutinus Douglas USA: California Fnadango [sic] Pass, Warner Mts. J. T. Howell 12059 1934-6-13
A: 00378127 Frangula rubra (Greene) Grubov USA: California Fandango Pass, Warner Mts. J. T. Howell 12077 1934-6-13
A: 00378317 Frangula sp. USA: California Fandango Pass, Warner Mts. J. T. Howell 12077 1934-6-13
A: 00378127 Rhamnus rubra Greene USA: California Fandango Pass, Warner Mts. J. T. Howell 12077 1934-6-13
A: 00378317 Rhamnus sp. USA: California Fandango Pass, Warner Mts. J. T. Howell 12077 1934-6-13
Rosaceae A: 00346785 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: California North side of Fandango Valley J. T. Howell 12040 1934-6-12
A: 00403848 Chamaebatiaria millefolium (Torrey) Maximowicz USA: California Se. corner of Siskiyou Co. J. T. Howell 12399 1934-7-4
GH: 00345769 Potentilla newberryi A. Gray USA: California East side of Clear Lake J. T. Howell 12359 1934-7-2
Rutaceae A: 00347951 Ptelea baldwinii crenulata (Greene) Jepson USA: California 7 miles from Clayton on road to Livermore J. T. Howell 11811 1934-4-8
A: 00347951 Ptelea crenulata Greene USA: California 7 miles from Clayton on road to Livermore J. T. Howell 11811 1934-4-8
Saxifragaceae A: 00380963 Ribes velutinum Greene USA: California Between Davis Creek and Plum Valley J. T. Howell 12011 1934-6-12
Solanaceae A: 00404912 Lycium halimifolium Miller USA: California Benecia Junction J. T. Howell 12570 1934-9-23
Targioniaceae FH: 00511523 Targionia hypophylla Linnaeus USA: California [data not captured] J. T. Howell 1934-3-4
