Aizoaceae GH: 01860046 Mesembryanthemum elongatum Haworth USA: California San Francisco: just east of lake Merced J. T. Howell 19337 1943-10-30
Asteraceae GH: 02141555 Agoseris heterophylla (Nuttall) Greene USA: California [data not captured] J. T. Howell 17981 1943-5-9
GH: 02141527 Agoseris heterophylla (Nuttall) Greene USA: California [data not captured] J. T. Howell 18131 1943-5-22
GH: 02141649 Agoseris heterophylla cryptopleura (Nuttall) Greene USA: California [data not captured] J. T. Howell 18012 1943-5-11
GH: 02141663 Agoseris hirsuta (Hooker) Greene USA: California [data not captured] J. T. Howell 18182 1943-5-30
GH: 01923707 Brickellia greenei A. Gray USA: California Near Government Flat J. T. Howell 19201 1943-8-8
GH: 00414371 Calycadenia truncata microcephala H. M. Hall ex D. D. Keck USA: California 5 miles west of Lakeport on road to Hopland J. T. Howell 18009 1943-5-10
GH: 00387175 Corethrogyne californica de Candolle USA: California Near Ledum Swamp, Pt. Reyes Peninsula J. T. Howell 1943-7-4
GH: 00387175 Corethrogyne filaginifolia californica (de Candolle) Saroyan USA: California Near Ledum Swamp, Pt. Reyes Peninsula J. T. Howell 1943-7-4
GH: 00427088 Eriophyllum jepsonii Greene USA: California lower part of Arroyo Mocho J. T. Howell 18110 1943-5-16
GH: 01831800 Hieracium greenei A. Gray USA: California [data not captured] J. T. Howell 19299 1943-8-12
GH: 01834733 Lactuca saligna Linnaeus USA: California [data not captured] J. T. Howell 19324 1943-9-5
GH: 01834779 Lactuca sativa Linnaeus USA: California [data not captured] J. T. Howell 19310 1943-8-22
GH: 00414755 Madia hallii D. D. Keck USA: California 2.9 miles north of Middletown J. T. Howell 18050 1943-5-11
Brassicaceae GH: 00960801 Boechera retrofracta (Graham) A. Löve & D. Löve USA: California Castle Peak J. T. Howell 18544 1943-7-18
GH: 01097752 Cakile maritima Scopoli USA: California Muir Beach J. T. Howell 19333 1943-10-3
GH: 00422158 Streptanthus glandulosus secundus (Greene) Kruckeberg USA: California San Rafael hills J. T. Howell 17976 1943-5-9
Caprifoliaceae A: 00422794 Lonicera conjugialis Kellogg USA: California Sugar Bowl nw. of Mt. Lincoln J. T. Howell 18855 1943-7-26
A: 00422977 Lonicera involucrata (Richardson) Banks ex Sprengel USA: California Canyon of Snow Basin Creek J. T. Howell 19274 1943-8-11
Caryophyllaceae GH: 00376698 Stellaria obtusa Engelmann USA: California Plaskett Meadows J. T. Howell 19011 1943-8-4
Chenopodiaceae GH: 01826859 Atriplex semibaccata R. Brown USA: California [data not captured] J. T. Howell 19338 1943-11-21
GH: 01782668 Chenopodium nevadense Standley USA: California [data not captured] J. T. Howell 19087 1943-8-5
GH: 00376557 Suaeda californica S. Watson USA: California Bayfarm Island J. T. Howell 19327 1943-9-12
A: 00376575 Suaeda californica S. Watson USA: California Bayfarm Island J. T. Howell 19327 1943-9-12
Cornaceae A: 00385554 Cornus stolonifera Michaux USA: California Canyon of Snow Basin Creek J. T. Howell 19281 1943-8-11
Crassulaceae GH: 01991204 Sedella leiocarpa H. Sharsmith USA: California 8.9 miles south of Kelseyville J. T. Howell 18037 1943-5-11
GH: 01991730 Sedum obtusatum boreale R. T. Clausen USA: California Canyon of Snow Basin Creek J. T. Howell 19096 1943-8-5
Cyperaceae GH: 00273539 Calliscirpus brachythrix (A. Gray) C. N. Gilmour, J. R. Starr & Naczi USA: California Frog Lake J. T. Howell 18782 1943-7-24
GH: 00424025 Carex leptalea Wahlenberg USA: California Ledum Swamp on road to Pt. Reyes J. T. Howell 18254 1943-7-4
GH: 02395728 Carex neurophora Mackenzie USA: California [data not captured] J. T. Howell 18932 1943-8-3
GH: 00424120 Carex scopulorum bracteosa (L. H. Bailey) F. J. Hermann USA: California Frog Lake J. T. Howell 18769 1943-7-24
GH: 00273539 Eriophorum crinigerum (A. Gray) Beetle USA: California Frog Lake J. T. Howell 18782 1943-7-24
Ericaceae A: 00343960 Arctostaphylos acutifolia Eastwood USA: California Log Spring Ridge, 1.1 miles west of Ranger S... J. T. Howell 19212 1943-8-8
A: 00350064 Arctostaphylos candidissima Eastwood USA: California Canyon of Snow Basin Creek J. T. Howell 19301 1943-8-12
A: 00350065 Arctostaphylos candidissima Eastwood USA: California Log Spring Ridge J. T. Howell 19209 1943-8-8
A: 00350248 Arctostaphylos elegans Jepson USA: California Just east of Alder Springs J. T. Howell 18907 1943-8-2
GH: 00350552 Arctostaphylos manzanita Parry USA: California Hills northeast of San Rafael J. T. Howell 17880 1943-3-7
A: 00350619 Arctostaphylos manzanita Parry USA: California Just west of Alder Springs Ranger Station J. T. Howell 18909 1943-8-2
A: 00350754 Arctostaphylos nevadensis A. Gray USA: California West side of Donner Pass near Norden J. T. Howell 18506 1943-7-17
A: 00350756 Arctostaphylos nevadensis A. Gray USA: California Log Spring Ridge J. T. Howell 19208 1943-8-8
A: 00350975 Arctostaphylos patula Greene USA: California Plaskett Meadows J. T. Howell 18949 1943-8-3
A: 00362485 Arctostaphylos sp. USA: California Log Spring Ridge, 1.1 miles west of ranger s... J. T. Howell 19214 1943-8-8
A: 00362486 Arctostaphylos sp. USA: California Log Spring Ridge J. T. Howell 19210 1943-8-8
A: 00362487 Arctostaphylos sp. USA: California Log Spring Ridge J. T. Howell 19211 1943-8-8
A: 00362402 Arctostaphylos viscida Parry USA: California 8.9 miles south of Kelseyville J. T. Howell 18043 1943-5-11
A: 01594931 Leucothoë davisiae Torrey ex A. Gray USA: California Frog Lake J. T. Howell 18772 1943-7-24
A: 00362823 Phyllodoce breweri (A. Gray) A. Heller USA: California Frog Lake J. T. Howell 18777 1943-7-24
A: 00363005 Rhododendron columbianum (Piper) Harmaja USA: California Between Donner Pass and West Lake J. T. Howell 18740 1943-7-23
A: 00363152 Vaccinium deliciosum Piper USA: California Between Donner Pass and West Lake J. T. Howell 18717 1943-7-23
Fabaceae GH: 02064508 Astragalus austiniae A. Gray USA: California Castle Peak J. T. Howell 18540 1943-7-18
GH: 00366743 Lupinus antoninus Eastwood USA: California Mendocino: Anthony Peak, on west side of rid... J. T. Howell 19216 1943-8-8
GH: 02176483 Lupinus fulcratus Greene USA: California [data not captured] J. T. Howell 18893 1943-7-27
GH: 02177143 Lupinus meionanthus A. Gray USA: California [data not captured] J. T. Howell 18674 1943-7-21
GH: 02128385 Lupinus sellulus ursinus (Eastwood) B. J. Cox USA: California [data not captured] J. T. Howell 19043 1943-8-4
GH: 02342793 Trifolium dichotomum Hooker & Arnott USA: California [data not captured] J. T. Howell 17932 1943-5-2
GH: 02343486 Trifolium macraei Hooker & Arnott USA: California [data not captured] J. T. Howell 17933 1943-5-2
Fagaceae A: 00344917 Quercus garryana Douglas ex Hooker USA: California Meadows se. of Black Butte J. T. Howell 19139 1943-8-6
A: 00343548 Quercus vacciniifolia Kellogg USA: California Canyon of Snow Basin Creek J. T. Howell 19101 1943-8-5
A: 00343549 Quercus vacciniifolia Kellogg USA: California Boreal Ridge, West side of Donner Pass near ... J. T. Howell 18429 1943-7-16
Juncaceae GH: 02101639 Juncus covillei Piper USA: California [data not captured] J. T. Howell 18989 1943-8-3
GH: 02401024 Juncus ensifolius Wikström USA: California [data not captured] J. T. Howell 18479 1943-7-17
GH: 00364852 Juncus hemiendytus F. J. Hermann USA: California 8.9 miles south of Kelseyville J. T. Howell 18031 1943-5-11
GH: 02401830 Juncus kelloggii Engelmann USA: California [data not captured] J. T. Howell 18033 1943-5-11
GH: 02401928 Juncus longistylis Torrey USA: California [data not captured] J. T. Howell 19166 1943-8-7
Lamiaceae GH: 00400832 Prunella vulgaris Linnaeus USA: California Plaskett Meadows J. T. Howell 18956 1943-8-3
Mimosaceae GH: 00366111 Acacia dealbata Link USA: California on Summit (Arenus) Ridge above Mill Valley J. T. Howell 19312 1943-8-29
Orobanchaceae GH: 00365461 Castilleja applegatei pinetorum (Fernald) T. I. Chuang & Heckard USA: California Black Butte J. T. Howell 19114 1943-8-6
GH: 02033990 Castilleja arachnoidea Greenman USA: California Snow Basin, ne. slope of Black Butte J. T. Howell 19259 1943-8-10
GH: 01877161 Castilleja inconspicua A. Nelson & P. B. Kennedy USA: California Castle Peak J. T. Howell 18517 1943-7-18
GH: 00365461 Castilleja pinetorum Fernald USA: California Black Butte J. T. Howell 19114 1943-8-6
Plantaginaceae GH: 02212546 Callitriche palustris Linnaeus USA: California [data not captured] J. T. Howell 1943-7-19
A: 00365773 Keckiella corymbosa (Bentham) Straw USA: California Plaskett Meadows J. T. Howell 19086 1943-8-5
A: 00365784 Keckiella lemmonii (A. Gray) Straw USA: California Log Spring Ridge J. T. Howell 19207 1943-8-8
GH: 02118786 Penstemon deustus Douglas USA: California [data not captured] J. T. Howell 18375 1943-7-15
A: 00365784 Penstemon lemmonii A. Gray USA: California Log Spring Ridge J. T. Howell 19207 1943-8-8
Poaceae GH: 00361420 Achnatherum lemmonii (Vasey) Barkworth USA: California Plaskett Meadows J. T. Howell 18979 1943-8-3
GH: 00361439 Achnatherum occidentale (Thurber ex S. Watson) Barkworth USA: California Boreal Ridge, West side of Donner Pass near ... J. T. Howell 18420 1943-7-16
GH: 00361489 Achnatherum occidentale californicum (Burtt Davy & Merrill) Barkworth USA: California Plaskett Meadows J. T. Howell 18980 1943-8-3
GH: 00365146 Agropyron pauciflorum (Schweinitz) Hitchcock USA: California Plaskett Meadows J. T. Howell 18968 1943-8-3
GH: 00341235 Agrostis exarata Trinius USA: California on road to Point Reyes, Marin Co. J. T. Howell 18250 1943-7-4
GH: 00341235 Agrostis longiligula australis J. T. Howell USA: California on road to Point Reyes, Marin Co. J. T. Howell 18250 1943-7-4
GH: 00341259 Agrostis microphylla Steudel USA: California Tiburon, Marin County J. T. Howell 18091 1943-5-15
GH: 00341352 Agrostis variabilis Rydberg USA: California Black Butte, Glenn Co. J. T. Howell 19248 1943-8-10
GH: 00341373 Aira caryophyllea Linnaeus USA: California Bootjack, Mt. Tamalpais, Marin County J. T. Howell 1943-6-3
GH: 00341573 Calamagrostis koelerioides Vasey USA: California Canyon of Snow Basin Creek J. T. Howell 19093 1943-8-5
GH: 00341578 Calamagrostis nutkaensis (J. Presl) Steudel USA: California Azalea Flat, Mt. Tamalpais J. T. Howell 18194 1943-5-30
GH: 00341610 Cynosurus echinatus Linnaeus USA: California Placerville J. T. Howell 18906 1943-7-28
GH: 00341611 Cynosurus echinatus Linnaeus USA: California Lagunitas Meadows, Mt. Tamalpais J. T. Howell 18157 1943-5-22
GH: 00341121 Danthonia californica Bolander USA: California San Rafael Hills, Marin Co. J. T. Howell 17966 1943-5-9
GH: 00355562 Digitaria sanguinalis (Linnaeus) Scopoli USA: California Mill Valley J. T. Howell 1943-9-4
GH: 00365025 Elymus glaucus Buckley USA: California Ledum Swamp on road to Pt. Reyes J. T. Howell 18249 1943-7-4
GH: 00365146 Elymus trachycaulus (Link) Gould ex Shinners USA: California Plaskett Meadows J. T. Howell 18968 1943-8-3
GH: 00361282 Festuca eastwoodiae Piper USA: California 1 mile south of Lakeport J. T. Howell 18023 1943-5-11
GH: 00361299 Festuca grayi (Abrams) Piper USA: California Hills sw. of St. Helena J. T. Howell 18238 1943-6-20
GH: 00361301 Festuca grayi (Abrams) Piper USA: California 1 miles south of Lakeport J. T. Howell 18021 1943-5-11
GH: 00341817 Festuca idahoensis Elmer USA: California Summit ridge north of Black Butte J. T. Howell 19056 1943-4-4
GH: 00361292 Festuca megalura Nuttall USA: California Mulholland Drive 1.3 miles west of Laurel Ca... J. T. Howell 18115 1943-5-22
GH: 00361291 Festuca myuros Linnaeus USA: California Fairfax J. T. Howell 18115 1943-5-22
GH: 00341920 Festuca occidentalis Hooker USA: California Tenderfoot Trail above Mill Valley J. T. Howell 18216 1943-6-6
GH: 00341870 Festuca pacifica Piper USA: California 1 miles south of Lakeport J. T. Howell 18020 1943-5-11
GH: 00361202 Glyceria pauciflora J. Presl USA: California Portrero Meadow, Mt. Tamalpais J. T. Howell 1943-7-11
GH: 00360216 Melica aristata Thurber ex Bolander USA: California Canyon of Snow Basin Creek J. T. Howell 19094 1943-8-5
GH: 00360304 Melica geyeri aristulata J. T. Howell USA: California Black Canyon, San Rafael Hills. J. T. Howell 17906 1943-4-11
GH: 00360402 Melica stricta Bolander USA: California Castle Peak J. T. Howell 18527 1943-7-18
GH: 00404743 Phalaris lemmonii Vasey USA: California 2 miles north of Windsor J. T. Howell 1943-5-10
GH: 00360564 Phalaris minor Retzius USA: California Mill Valley J. T. Howell 1943-5-30
GH: 00360621 Pleuropogon hooverianus (L. D. Benson) J. T. Howell USA: California Lagunitas Meadows, Mt. Tamalpais J. T. Howell 18155 1943-5-22
GH: 00360657 Poa bolanderi Vasey USA: California Donner Pass to Mt. Lincoln J. T. Howell 18643 1943-7-21
GH: 00360768 Poa nervosa (Hooker) Vasey USA: California Castle Peak J. T. Howell 18550 1943-7-18
GH: 00360822 Poa pringlei Scribner USA: California Castle Peak J. T. Howell 18606 1943-7-20
GH: 00360848 Poa secunda J. Presl USA: California Tuburon Peninsula J. T. Howell 18093 1943-5-15
GH: 00360868 Poa secunda J. Presl USA: California Plaskett Meadows J. T. Howell 18976 1943-8-3
GH: 00361489 Stipa californica Merrill & Burtt Davy USA: California Plaskett Meadows J. T. Howell 18980 1943-8-3
GH: 00361420 Stipa lemmonii (Vasey) Scribner USA: California Plaskett Meadows J. T. Howell 18979 1943-8-3
GH: 00361439 Stipa occidentalis Thurber ex S. Watson USA: California Boreal Ridge, West side of Donner Pass near ... J. T. Howell 18420 1943-7-16
GH: 00361202 Torreyochloa pallida pauciflora (J. Presl) J. I. Davis USA: California Portrero Meadow, Mt. Tamalpais J. T. Howell 1943-7-11
GH: 00341845 Vulpia microstachys confusa (Piper) Lonard & Gould USA: California 1 mile south of Lakeport J. T. Howell 18022 1943-5-11
GH: 00361282 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California 1 mile south of Lakeport J. T. Howell 18023 1943-5-11
GH: 00361299 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California Hills sw. of St. Helena J. T. Howell 18238 1943-6-20
GH: 00361301 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California 1 miles south of Lakeport J. T. Howell 18021 1943-5-11
GH: 00341870 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California 1 miles south of Lakeport J. T. Howell 18020 1943-5-11
GH: 00361291 Vulpia myuros (Linnaeus) C. C. Gmelin USA: California Fairfax J. T. Howell 18115 1943-5-22
GH: 00361292 Vulpia myuros (Linnaeus) C. C. Gmelin USA: California Mulholland Drive 1.3 miles west of Laurel Ca... J. T. Howell 18115 1943-5-22
Polygalaceae A: 00347769 Polygala cornuta Kellogg USA: California 2 miles west of Pacific House J. T. Howell 18896 1943-7-28
Polygonaceae A: 00364579 Eriogonum umbellatum polyanthum (Bentham) S. Stokes USA: California Mt. Lincoln J. T. Howell 18842 1943-7-26
A: 00364579 Eriogonum umbellatum nevadense Gandoger USA: California Mt. Lincoln J. T. Howell 18842 1943-7-26
GH: 02360963 Polygonum minimum S. Watson USA: California [data not captured] J. T. Howell 19195 1943-8-8
GH: 02007261 Polygonum polygaloides kelloggii (Greene) J. C. Hickman USA: California [data not captured] J. T. Howell 18034 1943-5-11
GH: 02007260 Polygonum polygaloides kelloggii (Greene) J. C. Hickman USA: California [data not captured] J. T. Howell 19196 1943-8-8
A: 00364804 Polygonum shastense W. H. Brewer USA: California Donner Pass to Mt. Lincoln J. T. Howell 18663 1943-7-21
Rhamnaceae A: 00349356 Ceanothus gloriosus porrectus J. T. Howell USA: California near Ledum Swamp, Point Reyes Peninsula J. T. Howell 18265 1943-7-4
A: 00378107 Frangula purshiana (de Candolle) A. Gray USA: California Black Butte J. T. Howell 19258 1943-8-10
A: 00378107 Rhamnus purshiana de Candolle USA: California Black Butte J. T. Howell 19258 1943-8-10
Rosaceae A: 01728686 Amelanchier pallida Greene USA: California Plaskett Meadows J. T. Howell 19296 1943-8-12
A: 01728739 Amelanchier pallida Greene USA: California Silver Fork of American River J. T. Howell 18881 1943-7-27
A: 00345226 Spiraea densiflora Nuttall ex Torrey & A. Gray USA: California Boreal Ridge, West side of Donner Pass near ... J. T. Howell 18494 1943-7-17
Rubiaceae GH: 00385836 Galium bolanderi A. Gray USA: California Canyon of Snow Basin Creek J. T. Howell 19305 1943-8-12
GH: 00417132 Galium divaricatum Pourret ex Lamarck USA: California west of Napa Valley between St. Helena and M... J. T. Howell 18237 1943-6-19
GH: 00385989 Galium grayanum Ehrendorfer USA: California Castle Peak J. T. Howell 18532 1943-7-18
GH: 00385995 Galium grayanum Ehrendorfer USA: California Mt. Lincoln J. T. Howell 18841 1943-7-26
Salicaceae A: 00382491 Salix eastwoodiae Cockerell ex A. Heller USA: California SE. shoulder of Castle Peak J. T. Howell 18797 1943-7-24
A: 00382744 Salix geyeriana argentea (Bebb) C. K. Schneider USA: California Between Donner Pass and West Lake J. T. Howell 18718 1943-7-23
A: 00383154 Salix jepsonii C. K. Schneider USA: California SE. shoulder of Castle Peak J. T. Howell 18799 1943-7-24
A: 00383904 Salix lemmonii Bebb USA: California 7 miles from Lakeport on road to Hopland J. T. Howell 17996 1943-5-10
A: 00383920 Salix lemmonii Bebb USA: California West side of Donner Pass near Norden J. T. Howell 18358 1943-7-15
A: 00384327 Salix orestera C. K. Schneider USA: California Frog Lake J. T. Howell 18774 1943-7-24
A: 00384328 Salix orestera C. K. Schneider USA: California West side of Donner Pass near Norden J. T. Howell 18351 1943-7-15
A: 00384470 Salix scouleriana Barratt ex Hooker USA: California West side of Donner Pass near Norden J. T. Howell 18497 1943-7-17
Saxifragaceae A: 00363955 Ribes binominatum A. Heller USA: California Plaskett Meadow J. T. Howell 19172 1943-8-7
GH: 00363989 Ribes californicum Hooker & Arnott USA: California Lower part of Arroyo del Valle J. T. Howell 18114 1943-5-16
A: 00380264 Ribes cruentum Greene USA: California Black Butte J. T. Howell 19109 1943-8-6
A: 00380321 Ribes lobbii A. Gray USA: California Plaskett Meadows J. T. Howell 18961 1943-8-3
A: 00380534 Ribes nevadense Kellogg USA: California Canyon of Snow Basin Creek J. T. Howell 19276 1943-8-11
A: 00380264 Ribes roezlii cruentum (Greene) Rehder USA: California Black Butte J. T. Howell 19109 1943-8-6
A: 00380987 Ribes victoris Greene USA: California Hill northeast of San Rafael J. T. Howell 17915 1943-4-11
A: 00380988 Ribes victoris Greene USA: California Hill northeast of San Rafael J. T. Howell 17884 1943-3-7
A: 00380989 Ribes victoris Greene USA: California Northside Trail, Mt. Tamalpais J. T. Howell 17888 1943-3-14
Urticaceae GH: 02170270 Hesperocnide tenella Torrey USA: California [data not captured] J. T. Howell 18167 1943-5-23
GH: 02170259 Hesperocnide tenella Torrey USA: California [data not captured] J. T. Howell 18108 1943-5-16
GH: 02171328 Urtica dioica gracilis (Aiton) Selander USA: California [data not captured] J. T. Howell 19335 1943-10-3
GH: 02171457 Urtica dioica holosericea (Nuttall) Thorne USA: California [data not captured] J. T. Howell 19145 1943-8-6