Asteraceae GH: 00417605 Grindelia hirsutula Hooker & Arnott USA: California 4 miles from Santa Rosa on road to Sonoma J. T. Howell 4304 1929-6-9
GH: 00414557 Hemizonia pungens (Hooker & Arnott) Torrey & A. Gray USA: California 9 miles north of Vallejo J. T. Howell 4542 1929-10-26
GH: 00427316 Lasthenia macrantha (A. Gray) Green USA: California Fort Bragg J. T. Howell 4238 1929-4-26
Brassicaceae GH: 01548396 Lepidium dictyotum A. Gray USA: California [data not captured] J. T. Howell 4111 1929-3-31
Caesalpiniaceae GH: 01676206 Cercis canadensis Linnaeus USA: California Merced River bottom at Hopeton Bridge J. T. Howell 4108 1929-3-29
Campanulaceae GH: 00033211 Downingia mirabilis J. T. Howell USA: California 5 miles northeast of Merced J. T. Howell 4200 1929-4-25
GH: 00033211 Downingia ornatissima eximia (Hoover) McVaugh USA: California 5 miles northeast of Merced J. T. Howell 4200 1929-4-25
Cornaceae A: 00385350 Cornus glabrata Bentham USA: California One mile below Samuels Springs, Pope Creek C... J. T. Howell 4359 1929-8-4
Crassulaceae GH: 01991232 Sedella pumila Britton & Rose USA: California 7 1/2 miles SW. of Merced on Los Banos Road,... J. T. Howell 4147 1929-4-11
GH: 01990165 Sedum spathulifolium Hooker USA: California Sage Cañon, Napa Range J. T. Howell 4280 1929-5-30
Fabaceae GH: 02498843 Trifolium variegatum Nuttall USA: California Merced J. T. Howell 4171 1929-4-18
Fagaceae A: 00344805 Quercus durata Jepson USA: California Summit of Cedar Mt. J. T. Howell 4528 1929-10-20
Hydrophyllaceae GH: 00093214 Phacelia ciliata opaca J. T. Howell USA: California 5 miles northeast of Merced, clay hills J. T. Howell 4192 1929-4-25
GH: 00402965 Phacelia ciliata opaca J. T. Howell USA: California Clay hills, 5 miles ne. of Merced J. T. Howell 4117 1929-4-1
GH: 00402966 Phacelia ciliata opaca J. T. Howell USA: California Clay hills, 2 miles ne. of Planada J. T. Howell 4202 1929-4-25
GH: 00402967 Phacelia ciliata opaca J. T. Howell USA: California Low clay hills, 5 miles northwest of Merced J. T. Howell 4210 1929-5-19
GH: 00402975 Phacelia insularis Munz USA: California dunes on ocean bluffs, Fort Bragg J. T. Howell 4226 1929-5-25
Juncaceae GH: 02399583 Juncus phaeocephalus paniculatus Engelmann USA: California [data not captured] J. T. Howell 4326 1929-7-14
Lamiaceae GH: 00001491 Pogogyne douglasii minor J. T. Howell USA: California 8 miles northeast of Merced J. T. Howell 4211 1929-5-19
Onagraceae GH: 01673705 Clarkia unguiculata Lindley USA: California Pope Valley Creek near Samuels Springs, Napa... J. T. Howell 4268 1929-5-30
Orobanchaceae GH: 02033942 Castilleja affinis Hooker f. & Arnott USA: California Bluffs at mouth of Noyo River, Fort Bragg J. T. Howell 4248 1929-5-26
Rosaceae A: 00346599 Prunus ilicifolia (Nuttall ex Hooker & Arnott) D. N. F. Dietrich USA: California Morro Creek, 8.1 miles west of Atascadero J. T. Howell 4470 1929-10-12
Rutaceae A: 00347949 Ptelea baldwinii crenulata (Greene) Jepson USA: California Marsh Creek Road, 7 miles se. of Clayton J. T. Howell 4390 1929-9-21
A: 00347949 Ptelea crenulata Greene USA: California Marsh Creek Road, 7 miles se. of Clayton J. T. Howell 4390 1929-9-21
Salicaceae GH: 00382942 Salix hindsiana Bentham USA: California Bear Creek J. T. Howell 4151 1929-4-12
GH: 00382942 Salix sessilifolia hindsiana (Bentham) Bebb USA: California Bear Creek J. T. Howell 4151 1929-4-12
Saxifragaceae A: 00380218 Ribes indecorum Eastwood USA: California San Gabriel Wash, 2 miles s. of Azusa J. T. Howell 4100 1929-3-2
A: 00380218 Ribes malvaceum indecorum (Eastwood) Janczewski USA: California San Gabriel Wash, 2 miles s. of Azusa J. T. Howell 4100 1929-3-2
Solanaceae GH: 00310500 Solanum umbelliferum Eschscholtz USA: California [data not captured] J. T. Howell 4508 1929-10-13
