Amaranthaceae GH: 01928898 Amaranthus californicus (Moquin-Tandon) S. Watson USA: California Lake Lagunitas, Mt. Tamalpais J. T. Howell 22998 1946-9-8
Asteraceae GH: 02141666 Agoseris hirsuta (Hooker) Greene USA: California [data not captured] J. T. Howell 22071 1946-6-16
A: 00427409 Artemisia californica Lessing USA: California Steel southern slopes, Greenbrae Hills J. T. Howell 23034 1946-12-22
GH: 02172000 Calendula arvensis (Vaillant) Linnaeus USA: California [data not captured] J. T. Howell 21591 1946-3-31
GH: 02172286 Carduus pycnocephalus Linnaeus USA: California [data not captured] J. T. Howell 21754 1946-5-4
GH: 00427944 Cirsium andrewsii (A. Gray) Jepson USA: California Marsh east of Rodeo Lagoon J. T. Howell 22129 1946-6-30
GH: 02351325 Erigeron reductus angustatus (A. Gray) G. L. Nesom USA: California [data not captured] J. T. Howell 1946-7-7
GH: 00417600 Grindelia hirsutula Hooker & Arnott USA: California Chileno Valley J. T. Howell 22038 1946-6-13
GH: 00417645 Grindelia hirsutula davyi (Jepson) M. A. Lane USA: California Hamilton Field J. T. Howell 23033 1946-11-3
GH: 00414045 Lessingia micradenia Greene USA: California Rocky Ridge Fire Trail, Mt. Tamalpais J. T. Howell 23010 1946-9-15
GH: 00414045 Lessingia ramulosa micradenia (Greene) J. T. Howell USA: California Rocky Ridge Fire Trail, Mt. Tamalpais J. T. Howell 23010 1946-9-15
GH: 00414150 Micropus amphibolus A. Gray USA: California Angel Island, South side J. T. Howell 21871 1946-5-16
GH: 00414098 Pentachaeta bellidiflora Greene USA: California Greenbrae Hills J. T. Howell 21933 1946-5-25
GH: 02022272 Rhaponticum calcitrapa (Linnaeus) Scopoli USA: California [data not captured] J. T. Howell 1946-10-13
GH: 00414085 Tonestus peirsonii (D. D. Keck) G. L. Nesom & D. R. Morgan USA: California Between Ruby Lake and Mosquito Flat, Rock Cr... J. T. Howell 22807 1946-7-27
Boraginaceae GH: 00424865 Cryptantha glomeriflora Greene USA: California Near Ruby Lake, Rock Creek Lake Basin J. T. Howell 22804 1946-7-27
Brassicaceae GH: 00983888 Cardamine oligosperma Nuttall USA: California Dillons Beach J. T. Howell 21733 1946-5-4
GH: 00379341 Draba sierrae Sharsmith USA: California South side of Mono Pass J. T. Howell 22506 1946-7-18
GH: 00379961 Streptanthus batrachopus J. L. Morrison USA: California Carson Ridge J. T. Howell 22122 1946-6-23
GH: 00422151 Streptanthus glandulosus pulchellus (Greene) Kruckeberg USA: California Carson country J. T. Howell 21815 1946-5-12
Chenopodiaceae GH: 01781269 Blitum californicum S. Watson USA: California [data not captured] J. T. Howell 21867 1946-5-16
Crassulaceae GH: 01987413 Dudleya cymosa (Lemaire) Britton & Rose USA: California Above Bootjack, Mt. Tamalpais J. T. Howell 22188 1946-7-7
Cyperaceae GH: 00274455 Carex albonigra Mackenzie USA: California Mono Mesa J. T. Howell 22715 1946-7-26
GH: 02503663 Carex capitata Linnaeus USA: California Mono Mesa Ca. J. T. Howell 22750 1946-7-26
GH: 00424003 Carex danaensis Stacey USA: California Mono Mesa J. T. Howell 22700 1946-7-24
GH: 00424003 Carex incurviformis Mackenzie USA: California Mono Mesa J. T. Howell 22700 1946-7-24
GH: 00274455 Carex orestera Zika USA: California Mono Mesa J. T. Howell 22715 1946-7-26
GH: 02392495 Carex praeceptorum Mackenzie USA: California [data not captured] J. T. Howell 22384 1946-7-15
Ericaceae A: 00363154 Vaccinium caespitosum Michaux USA: California Ruby Lake, Rock Creek Lake Basin J. T. Howell 22414 1946-7-15
A: 00363154 Vaccinium nivictum Camp USA: California Ruby Lake, Rock Creek Lake Basin J. T. Howell 22414 1946-7-15
Fabaceae GH: 02137951 Trifolium appendiculatum Lojacono USA: California [data not captured] J. T. Howell 21643 1946-4-18
GH: 02342695 Trifolium dubium Sibthorp USA: California [data not captured] J. T. Howell 1946-6-16
GH: 02344365 Trifolium wormskioldii Lehmann USA: California [data not captured] J. T. Howell 21750 1946-5-4
GH: 02345518 Vicia benghalensis Linnaeus USA: California [data not captured] J. T. Howell 22063 1946-6-13
GH: 02347034 Vicia hassei S. Watson USA: California [data not captured] J. T. Howell 21658 1946-4-18
GH: 02347066 Vicia hirsuta (Linnaeus) Gray USA: California [data not captured] J. T. Howell 22069 1946-6-16
Fagaceae GH: 00344857 Quercus eplingii C. H. Müller USA: California Near Camp Libenthal J. T. Howell 21904 1946-5-19
GH: 00344857 Quercus sp. USA: California Near Camp Libenthal J. T. Howell 21904 1946-5-19
Juncaceae GH: 02099698 Juncus balticus mexicanus (Willdenow ex Roemer & Schultes) Snogerup USA: California [data not captured] J. T. Howell 21835 1946-5-14
GH: 02100381 Juncus bryoides F. J. Hermann USA: California [data not captured] J. T. Howell 22803 1946-7-27
GH: 02100379 Juncus bryoides F. J. Hermann USA: California [data not captured] J. T. Howell 22682 1946-7-23
GH: 02100378 Juncus bryoides F. J. Hermann USA: California [data not captured] J. T. Howell 22673 1946-7-22
GH: 02401851 Juncus orthophyllus Coville USA: California [data not captured] J. T. Howell 22491 1946-7-17
GH: 02366803 Luzula subcongesta (S. Watson) Jepson USA: California [data not captured] J. T. Howell 22818 1946-7-28
Malvaceae GH: 00420617 Malva nicaeensis Allioni USA: California San Francisco: Van Ness Avenue at Fort Mason... J. T. Howell 21900 1946-5-16
Orobanchaceae GH: 00365386 Castilleja ambigua Hooker & Arnott USA: California Greenbrae Marshes J. T. Howell 21940 1946-5-25
GH: 00365386 Orthocarpus castilleioides Bentham USA: California Greenbrae Marshes J. T. Howell 21940 1946-5-25
Papaveraceae GH: 00257608 Meconella californica Torrey USA: California Near Tomales J. T. Howell 21623 1946-4-14
Poaceae GH: 00361497 Achnatherum pinetorum (M. E. Jones) Barkworth USA: California Mono Mesa J. T. Howell 22764 1946-7-26
GH: 00365135 Agropyron pringlei (Scribner & J. G. Smith) Hitchcock USA: California Mono Mesa, above Gold Lake J. T. Howell 22693 1946-7-24
GH: 00341168 Agrostis blasdalei Hitchcock USA: California Dune hill near radio station, Pt. Reyes Peni... J. T. Howell 21952 1946-5-26
GH: 00341397 Agrostis californica Trinius USA: California Rodeo Lagoon, Marin Co. J. T. Howell 22146 1946-8-30
GH: 00341255 Agrostis microphylla Steudel USA: California South end of Carson Ridge, Marin County J. T. Howell 21777 1946-5-12
GH: 00341408 Alopecurus saccatus Vasey USA: California East of Aurora School at Sonoma Co. line, Ma... J. T. Howell 21702 1946-5-4
GH: 00341484 Beckmannia syzigachne (Steudel) Fernald USA: California Hicks Valley, Marin Co. J. T. Howell 22019 1946-6-13
GH: 00361768 Bromus maritimus (Piper) Hitchcock USA: California Rodeo Lagoon J. T. Howell 22187 1946-6-30
GH: 00361891 Bromus rubens Linnaeus USA: California S. end Carson Ridge J. T. Howell 1946-5-12
GH: 00341658 Deschampsia danthonioides (Trinius) Munro USA: California Carson Ridge J. T. Howell 1946-6-23
GH: 00365069 Elymus glaucus virescens (Piper) Á. Löve USA: California West Peak, Mt. Tamalpais J. T. Howell 22221 1946-7-7
GH: 00365135 Elymus sierrae Gould USA: California Mono Mesa, above Gold Lake J. T. Howell 22693 1946-7-24
GH: 00365155 Elymus sp. USA: California Dillons Beach J. T. Howell 22177 1946-7-4
GH: 00365311 Elymus triticoides Buckley USA: California Rodeo Lagoon J. T. Howell 22143 1946-6-30
GH: 00365069 Elymus virescens Piper USA: California West Peak, Mt. Tamalpais J. T. Howell 22221 1946-7-7
GH: 00361289 Festuca eastwoodiae Piper USA: California between Barths Retreat and Portrero Meadow, ... J. T. Howell 21840 1946-5-14
GH: 00361367 Festuca octoflora Walter USA: California Carson Ridge J. T. Howell 21778 1946-5-12
GH: 00341923 Festuca reflexa Buckley USA: California between Barths Retreat and Potrero Meadow, M... J. T. Howell 21838 1946-5-14
GH: 00360067 Glyceria occidentalis (Piper) J. C. Nelson USA: California Pond, 4 miles north of Bolinas J. T. Howell 22106 1946-6-20
GH: 00365311 Leymus triticoides (Buckley) Pilger USA: California Rodeo Lagoon J. T. Howell 22143 1946-6-30
GH: 00361605 Nassella lepida (Hitchcock) Barkworth USA: California Carson Ridge J. T. Howell 21916 1946-5-19
GH: 00361642 Nassella pulchra (Hitchcock) Barkworth USA: California Southeast side, Angel Island J. T. Howell 21849 1946-5-16
GH: 00360616 Pleuropogon californicus (Nees) Bentham USA: California southwest of Sonoma J. T. Howell 21593 1946-3-31
GH: 00360712 Poa cusickii epilis (Scribner) W. A. Weber USA: California Mono Rock J. T. Howell 22537 1946-7-20
GH: 00360688 Poa douglasii Nees USA: California Dunes near the radio station, Pt. Reyes Peni... J. T. Howell 21687 1946-4-21
GH: 00360691 Poa douglasii Nees USA: California Dillons Beach J. T. Howell 21741 1946-5-4
GH: 00360712 Poa epilis Scribner USA: California Mono Rock J. T. Howell 22537 1946-7-20
GH: 00360750 Poa leibergii Scribner USA: California North side of Mono Pass J. T. Howell 22518 1946-7-18
GH: 00361044 Poa unilateralis Scribner USA: California Point Reyes Lighthouse J. T. Howell 21953 1946-5-26
GH: 00361130 Scribneria bolanderi (Thurber) Hackel USA: California South end of Carson Ridge J. T. Howell 21776 1946-5-12
GH: 00355628 Setaria geniculata P. Beauvois USA: California Phoenix Lake, Mt. Tamalpais, Marin Co. J. T. Howell 22997 1946-9-8
GH: 00355628 Setaria parviflora (Poiret) Kerguélen USA: California Phoenix Lake, Mt. Tamalpais, Marin Co. J. T. Howell 22997 1946-9-8
GH: 00361605 Stipa lepida Hitchcock USA: California Carson Ridge J. T. Howell 21916 1946-5-19
GH: 00361497 Stipa pinetorum M. E. Jones USA: California Mono Mesa J. T. Howell 22764 1946-7-26
GH: 00361642 Stipa pulchra Hitchcock USA: California Southeast side, Angel Island J. T. Howell 21849 1946-5-16
GH: 00361289 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California between Barths Retreat and Portrero Meadow, ... J. T. Howell 21840 1946-5-14
GH: 00341856 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California Serpentine slope between Barths Retreat and ... J. T. Howell 21839 1946-5-14
GH: 00341923 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California between Barths Retreat and Potrero Meadow, M... J. T. Howell 21838 1946-5-14
GH: 00361367 Vulpia octoflora (Walter) Rydberg USA: California Carson Ridge J. T. Howell 21778 1946-5-12
Polemoniaceae A: 00385237 Leptosiphon nuttallii (A. Gray) J. M. Porter & L. A. Johnson USA: California Pioneer Basin J. T. Howell 22669 1946-7-22
A: 00385237 Linanthus nuttallii (A. Gray) Greene ex Milliken USA: California Pioneer Basin J. T. Howell 22669 1946-7-22
Polygonaceae GH: 00369843 Chorizanthe cuspidata villosa (Eastwood) Munz USA: California Dillons Beach J. T. Howell 21747 1946-5-4
GH: 00369847 Chorizanthe cuspidata villosa (Eastwood) Munz USA: California Dillons Beach J. T. Howell 22176 1946-7-4
GH: 02362671 Persicaria punctata (Elliott) Small USA: California [data not captured] J. T. Howell 22167 1946-6-30
GH: 02004114 Rumex salicifolius Weinman USA: California [data not captured] J. T. Howell 22137 1946-6-30
Portulacaceae GH: 01858658 Claytonia gypsophiloides Fischer & C. A. Meyer USA: California Fairfax Hills J. T. Howell 21563 1946-3-24
Pottiaceae FH: 00540405 Desmatodon systylius Schimper USA: California [data not captured] J. T. Howell 1946-7-26
Rosaceae A: 01728745 Amelanchier pallida Greene USA: California Ruby Lake, Rock Creek Lake Basin J. T. Howell 22396 1946-7-15
GH: 00345908 Rosa californica Chamisso & Schlechtendal USA: California Rodeo Lagoon J. T. Howell 22162 1946-6-30
GH: 00346104 Rosa spithamea S. Watson USA: California Burned area sw. of Lake Lagunitas, Mt. Tamal... J. T. Howell 23001 1946-9-8
Rubiaceae GH: 00385964 Galium hypotrichium A. Gray USA: California Mono Mesa above Gold Lake J. T. Howell 22689 1946-7-24
Salicaceae A: 00382365 Salix arctica Pallas USA: California West side of Morgan Pass, Rock Creek Lake Ba... J. T. Howell 22461 1946-7-16
A: 00382570 Salix eastwoodiae Cockerell ex A. Heller USA: California Dingley Creek at Dog Lake Trail J. T. Howell 22227 1946-7-12
A: 00382571 Salix eastwoodiae Cockerell ex A. Heller USA: California Mosquito Flat, Rock Creek Lake Basin J. T. Howell 22246 1946-7-14
A: 00384423 Salix monica Bebb USA: California Mosquito Flat, Rock Creek Lake Basin J. T. Howell 22247 1946-7-14
A: 00384424 Salix monica Bebb USA: California Long Lake, Rock Creek Lake Basin J. T. Howell 22813 1946-7-28
A: 00384374 Salix orestera C. K. Schneider USA: California Mosquito Flat, Rock Creek Lake Basin J. T. Howell 22254 1946-7-14
A: 00382365 Salix petrophila caespitosa (P. B. Kennedy) C. K. Schneider USA: California West side of Morgan Pass, Rock Creek Lake Ba... J. T. Howell 22461 1946-7-16
A: 00384423 Salix planifolia monica (Bebb) C. K. Schneider USA: California Mosquito Flat, Rock Creek Lake Basin J. T. Howell 22247 1946-7-14
A: 00384424 Salix planifolia monica (Bebb) C. K. Schneider USA: California Long Lake, Rock Creek Lake Basin J. T. Howell 22813 1946-7-28
Saxifragaceae GH: 00363836 Lithophragma heterophyllum (Hooker & Arnott) Hooker & Arnott USA: California Carson country J. T. Howell 21820 1946-5-12