Amaranthaceae GH: 00376129 Amaranthus sp. USA: California Desiccated strand of Alpine Lake J. T. Howell 24189 1947-10-19
Asteraceae GH: 02141422 Agoseris grandiflora (Nuttall) Greene USA: California [data not captured] J. T. Howell 23172 1947-5-18
GH: 02141418 Agoseris grandiflora (Nuttall) Greene USA: California [data not captured] J. T. Howell 23248 1947-6-15
GH: 02141556 Agoseris heterophylla (Nuttall) Greene USA: California [data not captured] J. T. Howell 23125 1947-5-4
GH: 02141525 Agoseris heterophylla (Nuttall) Greene USA: California [data not captured] J. T. Howell 23102 1947-4-27
GH: 02141524 Agoseris heterophylla (Nuttall) Greene USA: California [data not captured] J. T. Howell 23125 1947-5-4
GH: 02141664 Agoseris hirsuta (Hooker) Greene USA: California [data not captured] J. T. Howell 23181 1947-5-18
GH: 00414812 Blennosperma nanum robustum J. T. Howell USA: California Point Reyes Peninsula above McClure Beach J. T. Howell 23153 1947-5-14
GH: 02020404 Cirsium breweri wrangelii Petrak USA: California [data not captured] J. T. Howell 23286 1947-6-18
GH: 02021505 Cirsium occidentale (Nuttall) Jepson USA: California [data not captured] J. T. Howell 23330 1947-7-9
GH: 00403553 Lessingia hololeuca Greene USA: California Chileno Valley J. T. Howell 24178 1947-9-6
GH: 01835957 Microseris heterocarpa (Nuttall) K. L. Chambers USA: California [data not captured] J. T. Howell 23078 1947-4-27
Chenopodiaceae GH: 01783185 Oxybasis macrosperma (Hooker f.) S. Fuentes, Uotila & Borsch USA: California [data not captured] J. T. Howell 24194 1947-10-26
Ericaceae GH: 00350361 Arctostaphylos cushingiana Eastwood USA: California Above Blythedale Canyon, east side of Mt. Ta... J. T. Howell 23036 1947-3-2
GH: 00350361 Arctostaphylos glandulosa cushingiana (Eastwood) J. E. Adams ex McMinn USA: California Above Blythedale Canyon, east side of Mt. Ta... J. T. Howell 23036 1947-3-2
GH: 00362124 Arctostaphylos montana Eastwood USA: California Serpentin area, Simmos Trail Mt. Tamalpais J. T. Howell 23200 1947-5-25
GH: 00362124 Arctostaphylos pungens Kunth USA: California Serpentin area, Simmos Trail Mt. Tamalpais J. T. Howell 23200 1947-5-25
A: 00362146 Arctostaphylos sensitiva Jepson USA: California Above Muir Woods, south side of Mt. Tamalpai... J. T. Howell 1947-1-12
Fabaceae GH: 02052501 Astragalus lentiginosus ineptus (A. Gray) M. E. Jones USA: California South end of Coyote Ridge, Big Pine Lakes J. T. Howell 24009 1947-8-11
GH: 02049690 Astragalus nuttallii (Torrey & A. Gray) J. T. Howell USA: California McClure Beach J. T. Howell 2359 1947-5-14
GH: 00366730 Lupinus albifrons douglasii (J. Agardh) C. P. Smith USA: California Simmons Trail, Mt. Tamalpais J. T. Howell 23196 1947-5-25
GH: 00366730 Lupinus douglasii fallax (Greene) J. T. Howell USA: California Simmons Trail, Mt. Tamalpais J. T. Howell 23196 1947-5-25
GH: 02464300 Trifolium oliganthum Steudel USA: California Ssan Rafael Hills J. T. Howell 23130 1947-5-4
GH: 02464288 Trifolium oliganthum Steudel USA: California Bald Mt. west of San Anselmo J. T. Howell 23080 1947-4-27
Fagaceae A: 00344095 Chrysolepis chrysophylla (Douglas ex Hooker) Hjelmquist USA: California Above Muir Woods, south side of Mt. Tamalpai... J. T. Howell 1947-1-12
GH: 00344102 Chrysolepis chrysophylla (Douglas ex Hooker) Hjelmquist USA: California Eldridge Grade above Phoenix Lake, Mt. Tamal... J. T. Howell 23327 1947-7-6
GH: 00356869 Notholithocarpus densiflorus (Hooker & Arnott) Manos, Cannon & S. H. Oh USA: California Berry Trail, Mt. Tamalpais J. T. Howell 23206 1947-5-25
GH: 00344048 Quercus agrifolia frutescens Engelmann USA: California Bootjack, Mt. Tamalpais J. T. Howell 23048 1947-3-23
Garryaceae A: 00401680 Garrya elliptica Douglas ex Lindley USA: California Above Muir Woods, south side of Mt. Tamalpai... J. T. Howell 1947-1-12
Juncaceae GH: 02099226 Juncus balticus Willdenow USA: California [data not captured] J. T. Howell 23183 1947-5-18
Lauraceae A: 00381281 Umbellularia californica (Hooker & Arnott) Nuttall USA: California Above Phoenix Lake, Mt. Tamalpais J. T. Howell 23043 1947-3-2
Nyctaginaceae GH: 01642491 Abronia latifolia Eschscholtz USA: California McClure Beach J. T. Howell 23158 1947-5-14
Pinaceae A: 00355358 Pseudotsuga menziesii (Mirbel) Franco USA: California Above Muir Woods, south side of Mt. Tamalpai... J. T. Howell 1947-1-12
A: 00355358 Pseudotsuga taxifolia (Lambert) Britton USA: California Above Muir Woods, south side of Mt. Tamalpai... J. T. Howell 1947-1-12
Poaceae GH: 00341329 Agrostis alba Linnaeus USA: California Dillons Beach, Marin Co. J. T. Howell 24181 1947-9-6
GH: 00022957 Agrostis aristiglumis Swallen USA: California Drakes Estero, west-northwest of Mount Visio... J. T. Howell 1411 1947-5-14
GH: 00341167 Agrostis blasdalei Hitchcock USA: California Monterey Series, Drakes Esters, west-northwe... J. T. Howell 23150 1947-5-14
GH: 00341329 Agrostis stolonifera Linnaeus USA: California Dillons Beach, Marin Co. J. T. Howell 24181 1947-9-6
GH: 00355510 Andropogon glomeratus scabriglumis C. S. Campbell USA: California Ridgecrest Road North of Alpine Lake J. T. Howell 24174 1947-8-31
GH: 00355510 Andropogon glomeratus pumilus (Vasey) Vasey ex L. H. Dewey USA: California Ridgecrest Road North of Alpine Lake J. T. Howell 24174 1947-8-31
GH: 00387953 Bromus breviaristatus Buckley USA: California Sausalito: J. T. Howell 23141 1947-5-8
GH: 00387953 Bromus carinatus marginatus (Nees ex Steudel) Barkworth & Anderton USA: California Sausalito: J. T. Howell 23141 1947-5-8
GH: 00341560 Calamagrostis crassiglumis Thurber USA: California California: Point Reyes Peninsula, Marin Cou... J. T. Howell 1412 1947-6-4
GH: 00365070 Elymus glaucus virescens (Piper) Á. Löve USA: California McClure Beach J. T. Howell 23161 1947-5-14
GH: 00365070 Elymus virescens Piper USA: California McClure Beach J. T. Howell 23161 1947-5-14
GH: 00365190 Hordeum depressum (Scribner & J. G. Smith) Rydberg USA: California Tiburon Peninsula J. T. Howell 23057 1947-4-13
GH: 00360740 Poa howellii Vasey & Scribner USA: California Bald Mt. west of San Anselmo J. T. Howell 23086 1947-4-27
Polygonaceae GH: 02007815 Polygonum spergulariiforme Meisner ex Small USA: California [data not captured] J. T. Howell 24182 1947-9-6
Rhamnaceae GH: 00425686 Ceanothus sp. USA: California Simmons Trail, Mt. Tamalpais J. T. Howell 23199 1947-5-25
Rosaceae A: 01587773 Cercocarpus montanus glaber (S. Watson) F. L. Martin USA: California Above Blythedale Canyon, east side of Mt. Ta... J. T. Howell 23040 1947-3-2
Scrophulariaceae A: 00365994 Diplacus aurantiacus (Curtis) Jepson USA: California south side of Mt. Tamalpais J. T. Howell 1947-1-12
A: 00365994 Mimulus aurantiacus Curtis USA: California south side of Mt. Tamalpais J. T. Howell 1947-1-12
Taxodiaceae A: 00357818 Sequoia sempervirens (D. Don) Endlicher USA: California Above Muir Woods, south side of Mt. Tamalpai... J. T. Howell 1947-1-12