Asteraceae GH: 01110051 Achillea borealis Bongard USA: California Suisun Marshes at Benecia Junction J. T. Howell 1938-7-17
GH: 02020478 Cirsium candidissimum Dammer USA: Nevada [data not captured] J. T. Howell 14254 1938-8-5
GH: 02020572 Cirsium congdonii R. J. Moore & Frankton USA: California [data not captured] J. T. Howell 14355 1938-8-7
GH: 02020580 Cirsium cymosum (Greene) J. T. Howell USA: California [data not captured] J. T. Howell 13821 1938-5-28
GH: 00427962 Cirsium hydrophilum (Greene) Jepson USA: California Suisun Marshes J. T. Howell 4590 1938-8-28
GH: 02021730 Cirsium remotifolium pseudocarlinoides Petrak USA: California [data not captured] J. T. Howell 13942 1938-7-3
GH: 02022103 Cirsium walkerianum Petrak USA: California [data not captured] J. T. Howell 13939 1938-6-30
GH: 02022100 Cirsium walkerianum Petrak USA: California [data not captured] J. T. Howell 13940 1938-6-30
GH: 02022099 Cirsium walkerianum Petrak USA: California [data not captured] J. T. Howell 13953 1938-7-3
Betulaceae A: 00401427 Betula fontinalis Sargent USA: California Rock Creek Canyon north of Sherwin Grade J. T. Howell 14356 1938-8-7
A: 00401427 Betula occidentalis Hooker USA: California Rock Creek Canyon north of Sherwin Grade J. T. Howell 14356 1938-8-7
Brassicaceae GH: 00378782 Arabis lemmonii S. Watson USA: California Mt. Dana J. T. Howell 14541 1938-8-11
GH: 00932688 Boechera holboelii pinetorum (Tidestrom) Dorn USA: California Near Devil's Postpile J. T. Howell 14464 1938-8-10
GH: 00378782 Boechera lemmonii (S. Watson) W. A. Weber USA: California Mt. Dana J. T. Howell 14541 1938-8-11
GH: 00946171 Boechera lemmonii (S. Watson) W. A. Weber USA: Nevada Near Mt. Rose J. T. Howell 14214 1938-8-4
GH: 00946172 Boechera lemmonii (S. Watson) W. A. Weber USA: Nevada Near Mt. Rose J. T. Howell 4215 1938-8-4
GH: 00946188 Boechera lemmonii (S. Watson) W. A. Weber USA: Nevada Near Mt. Rose J. T. Howell 1938-8-4
GH: 00946909 Boechera platysperma (A. Gray) Al-Shehbaz USA: California Near Devil's Postpile J. T. Howell 14469 1938-8-10
GH: 00946968 Boechera platysperma (A. Gray) Al-Shehbaz USA: Nevada [data not captured] J. T. Howell 14060 1938-8-3
GH: 00960782 Boechera retrofracta (Graham) A. Löve & D. Löve USA: California Near Devil's Postpile J. T. Howell 14462 1938-8-10
GH: 00960810 Boechera retrofracta (Graham) A. Löve & D. Löve USA: California Mammouth Lakes Basin J. T. Howell 14411 1938-8-8
GH: 00944280 Boechera sp. USA: California [data not captured] J. T. Howell 14414 1938-8-8
GH: 00944457 Boechera sp. USA: California Minaret Summit J. T. Howell 14488 1938-8-10
GH: 01098779 Cardamine breweri S. Watson USA: Nevada [data not captured] J. T. Howell 14084 1938-8-3
GH: 00379081 Caulanthus coulteri lemmonii (S. Watson) Munz USA: California Hospital Canyon J. T. Howell 13764 1938-4-10
GH: 00379081 Caulanthus lemmonii S. Watson USA: California Hospital Canyon J. T. Howell 13764 1938-4-10
GH: 01087600 Caulanthus pilosus S. Watson USA: California Near Little Round Valley J. T. Howell 14342 1938-8-7
GH: 01087600 Caulanthus sp. USA: California Near Little Round Valley J. T. Howell 14342 1938-8-7
GH: 00986389 Descurainia incana (Bernhardi ex Fischer & C. A. Meyer) Dorn USA: Nevada [data not captured] J. T. Howell 14062 1938-8-3
GH: 01103330 Draba asterophora Payson USA: Nevada [data not captured] J. T. Howell 1938-8-4
GH: 00379287 Draba lemmoni S. Watson USA: California Mt. Dana J. T. Howell 14536 1938-8-11
GH: 00379380 Erysimum capitatum (Douglas ex Hooker) Greene USA: California Near Midway J. T. Howell 13746 1938-4-10
GH: 00422143 Streptanthus glandulosus pulchellus (Greene) Kruckeberg USA: California San Anselmo Canyon J. T. Howell 13791 1938-5-22
GH: 00422144 Streptanthus glandulosus pulchellus (Greene) Kruckeberg USA: California Near Rock Spring, Mt. Tamalpais J. T. Howell 13907 1938-6-9
GH: 00422145 Streptanthus glandulosus pulchellus (Greene) Kruckeberg USA: California Head of Steep Ravine, Mt. Tamalpais J. T. Howell 13922 1938-6-19
GH: 00422157 Streptanthus glandulosus secundus (Greene) Kruckeberg USA: California slope at head of Lucas Valley J. T. Howell 13945 1938-7-3
GH: 00422485 Tropidocarpum capparideum Greene USA: California Near Midway J. T. Howell 13747 1938-4-10
Caryophyllaceae GH: 00037966 Spergularia atrosperma R. Rossbach USA: California Los Banos Hills J. T. Howell 13826 1938-5-28
Cyperaceae GH: 02367869 Carex capitata Linnaeus USA: Nevada [data not captured] J. T. Howell 14135 1938-8-3
GH: 02395545 Carex cusickii Mackenzie ex Piper & Beattie USA: California San Marino: [data not captured] J. T. Howell 13902 1938-6-5
GH: 00027195 Carex danaensis Stacey USA: California Mount Dana, alt. 12500 feet J. T. Howell 14546 1938-8-11
GH: 02371691 Carex densa (L. H. Bailey) L. H. Bailey USA: California [data not captured] J. T. Howell 13838 1938-5-29
GH: 02371724 Carex densa (L. H. Bailey) L. H. Bailey USA: California [data not captured] J. T. Howell 13786 1938-5-1
GH: 02371708 Carex densa (L. H. Bailey) L. H. Bailey USA: California [data not captured] J. T. Howell 13903 1938-6-5
GH: 02467228 Carex rossii Boott USA: Nevada Mt. Rose highway, 6.6 miles from Incline J. T. Howell 14022 1938-8-2
GH: 00027450 Carex subnigricans Stacey USA: California Mount Dana, alt. 10500 feet J. T. Howell 14519 1938-8-11
GH: 00424179 Scirpus clementis M. E. Jones USA: California Snow Flat J. T. Howell 14572 1938-8-13
Ericaceae A: 01117457 Arctostaphylos nevadensis A. Gray USA: Nevada Third Creek, Near Mt. Rose J. T. Howell 14050 1938-8-3
Fabaceae GH: 00366302 Astragalus lemmoni A. Gray USA: California Long Valley J. T. Howell 14383 1938-8-8
GH: 00058837 Astragalus monoensis Barneby USA: California Near Crestview J. T. Howell 14500 1938-8-10
GH: 00366458 Lathyrus jepsonii Greene USA: California Suisun Marshes J. T. Howell 14592 1938-8-28
GH: 02176642 Lupinus inyoensis A. Heller USA: California [data not captured] J. T. Howell 14444 1938-8-9
GH: 00065582 Lupinus monoensis Eastwood USA: California Near Crestview J. T. Howell 14498 1938-8-10
GH: 02619518 Trifolium depauperatum Desvaux USA: California [data not captured] J. T. Howell 13729 1938-4-3
GH: 02345517 Vicia benghalensis Linnaeus USA: California [data not captured] J. T. Howell 13886 1938-6-4
Fossombroniaceae FH: 01135511 Fossombronia longiseta Austin USA: California [data not captured] J. T. Howell 1938-3-20
Gentianaceae GH: 00400170 Centaurium muehlenbergii (Grisebach) W. Wight USA: California Serpentine slope at head of Lucas Valley J. T. Howell 13944 1938-7-3
GH: 00400170 Zeltnera muehlenbergii (Grisebach) G. Mansion USA: California Serpentine slope at head of Lucas Valley J. T. Howell 13944 1938-7-3
Hydrophyllaceae GH: 00093444 Phacelia peirsoniana J. T. Howell USA: California Near Little Round Valley, in crevices of vol... J. T. Howell 14353 1938-8-7
Juncaceae GH: 02400762 Juncus nevadensis S. Watson USA: California [data not captured] J. T. Howell 13969 1938-7-3
GH: 02400761 Juncus nevadensis S. Watson USA: California [data not captured] J. T. Howell 14300 1938-8-7
GH: 02400760 Juncus nevadensis S. Watson USA: California [data not captured] J. T. Howell 14569 1938-8-13
GH: 02400808 Juncus nevadensis badius (Suksdorf) C. L. Hitchcock USA: Nevada [data not captured] J. T. Howell 14070 1938-8-3
GH: 02401854 Juncus orthophyllus Coville USA: California [data not captured] J. T. Howell 14302 1938-8-7
GH: 02366825 Luzula cascadensis Zika USA: Nevada [data not captured] J. T. Howell 14054 1938-8-3
Oleaceae A: 00401091 Forestiera neo-mexicana A. Gray USA: California Hospital Canyon J. T. Howell 13762 1938-4-10
Orobanchaceae GH: 00365552 Castilleja latifolia wightii (Elmer) Zeile USA: California Colma Canyon J. T. Howell 13767 1938-5-1
GH: 00365553 Castilleja latifolia wightii (Elmer) Zeile USA: California Colma Canyon J. T. Howell 13767 1938-5-1
Orthotrichaceae FH: 00780818 Orthotrichum sp. USA: Illinois [data not captured] J. T. Howell 1938-4-27
Poaceae GH: 00361846 Bromus carinatus marginatus (Nees ex Steudel) Barkworth & Anderton USA: California San Francisco: Golden Gate Park J. T. Howell 13985 1938-7-26
GH: 00361794 Bromus hordaceus Linnaeus USA: California Zigzag Fire Trail, Mt. Tamalpais J. T. Howell 13913 1938-6-19
GH: 00361830 Bromus laevipes Shear USA: California Bootjack, Mt. Tamalpais J. T. Howell 13919 1938-6-19
GH: 00361846 Bromus marginatus Nees ex Steudel USA: California San Francisco: Golden Gate Park J. T. Howell 13985 1938-7-26
GH: 00361794 Bromus mollis Linnaeus USA: California Zigzag Fire Trail, Mt. Tamalpais J. T. Howell 13913 1938-6-19
GH: 00361884 Bromus orcuttianus hallii Hitchcock USA: California Cascade Canyon, Mill Valley J. T. Howell 13911 1938-6-19
GH: 00361951 Bromus vulgaris Shear USA: California Cascade Canyon, Mill Valley. J. T. Howell 13912 1938-6-19
GH: 00341894 Festuca confusa Piper USA: California Hospital Canyon J. T. Howell 13751 1938-4-10
GH: 00341881 Festuca pacifica Piper USA: California San Anselmo Canyon J. T. Howell 13792 1938-5-22
GH: 00341884 Festuca pacifica Piper USA: California Laurel Dell, Mt. Tamalpais J. T. Howell 13908 1938-6-9
GH: 00361270 Vulpia bromoides (Linnaeus) A. Gray USA: California Throckmorton Trail, Mt. Tamalpais J. T. Howell 13915 1938-6-19
GH: 00341829 Vulpia microstachys (Nuttall) Bentham USA: California San Anselmo Canyon, Marin Co. J. T. Howell 13793 1938-5-22
GH: 00341836 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California Laurel Dell, Mt. Tamalpais J. T. Howell 13909 1938-6-9
GH: 00341858 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California Corral Hollow J. T. Howell 13734 1938-4-3
GH: 00341881 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California San Anselmo Canyon J. T. Howell 13792 1938-5-22
GH: 00341884 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California Laurel Dell, Mt. Tamalpais J. T. Howell 13908 1938-6-9
GH: 00341894 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California Hospital Canyon J. T. Howell 13751 1938-4-10
GH: 00361328 Vulpia myuros hirsuta Hackel USA: California Zigzag Fire Trail, Mt. Tamalpais J. T. Howell 13914 1938-6-19
Polemoniaceae GH: 00385264 Navarretia cotulifolia (Bentham) Hooker & Arnott USA: California Near Hollister J. T. Howell 13806 1938-5-28
Polygonaceae GH: 00364133 Eriogonum fasciculatum obtusiflorum S. Stokes USA: California Los Banos Hills J. T. Howell 13832 1938-5-28
GH: 00364288 Eriogonum luteolum Greene USA: California Serpentine slope at head of Lucas Valley J. T. Howell 13944A 1938-7-3
GH: 00364289 Eriogonum luteolum Greene USA: California Serpentine slope at head of Lucas Valley J. T. Howell 13944A 1938-7-3
GH: 00364360 Eriogonum microthecum Nuttall USA: California Near Fales Hot Springs J. T. Howell 14261 1938-8-6
GH: 00364359 Eriogonum microthecum laxiflorum Hooker USA: California Crooked Creek J. T. Howell 14325 1938-8-7
GH: 00364360 Eriogonum microthecum laxiflorum Hooker USA: California Near Fales Hot Springs J. T. Howell 14261 1938-8-6
GH: 00036446 Eriogonum nodosum monoense S. Stokes USA: California Summit of Sherwin Grade J. T. Howell 14362 1938-8-7
GH: 00364378 Eriogonum nudum indictum (Jepson) Reveal USA: California Los Banos Hills J. T. Howell 13829 1938-5-28
GH: 00036446 Eriogonum nummulare M. E. Jones USA: California Summit of Sherwin Grade J. T. Howell 14362 1938-8-7
GH: 01986430 Eriogonum ordii S. Watson USA: California [data not captured] J. T. Howell 13830 1938-5-28
GH: 01986667 Eriogonum ovalifolium nivale (Canby) M. E. Jones USA: Nevada [data not captured] J. T. Howell 14199 1938-8-4
GH: 01966617 Eriogonum spergulinum A. Gray USA: California [data not captured] J. T. Howell 14504 1938-8-10
GH: 00364567 Eriogonum umbellatum Torrey USA: California Whiskey Creek J. T. Howell 14309 1938-8-7
GH: 00364567 Eriogonum umbellatum nevadense Gandoger USA: California Whiskey Creek J. T. Howell 14309 1938-8-7
GH: 02004590 Eriogonum umbellatum nevadense Gandoger USA: Nevada [data not captured] J. T. Howell 14171 1938-8-4
GH: 00364605 Eriogonum vestitum J. T. Howell USA: California Los Banos Hills J. T. Howell 13828 1938-5-28
GH: 00364708 Goodmania luteola (Parry) Reveal & Ertter USA: California Alkaline flats, Long Valley J. T. Howell 14379 1938-8-8
Rhamnaceae A: 00425174 Ceanothus ramulosus (Greene) McMinn USA: California Rattlesnake, Mt. Tamalpais J. T. Howell 13927 1938-6-19
A: 00425687 Ceanothus sp. USA: California Rattlesnake, Mt. Tamalpais J. T. Howell 13926 1938-6-19
A: 00425903 Frangula californica (Eschscholtz) A. Gray USA: California 3 miles n. of Sebastopol J. T. Howell 13955 1938-7-3
A: 00425903 Rhamnus californica Eschscholtz USA: California 3 miles n. of Sebastopol J. T. Howell 13955 1938-7-3
Ricciaceae FH: 00510116 Riccia campbelliana M. Howe USA: California [data not captured] J. T. Howell 1938-4-3
FH: 00510412 Riccia trichocarpa M. Howe USA: California [data not captured] J. T. Howell 1938-5-4
Rosaceae A: 00346797 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: California Near Brockway J. T. Howell 14010 1938-8-2
A: 00345151 Chamaebatiaria millefolium (Torrey) Maximowicz USA: California Crooked Creek J. T. Howell 14338 1938-8-7
GH: 00345699 Ivesia kingii S. Watson USA: California Long Valley J. T. Howell 14380 1938-8-8
A: 00346126 Rosa puberulenta Rydberg USA: California Convict Lake J. T. Howell 14440 1938-8-9
A: 00346127 Rosa puberulenta Rydberg USA: California Sherwin Grade J. T. Howell 14373 1938-8-7
A: 00346126 Rosa woodsii ultramontana (S. Watson) Jepson USA: California Convict Lake J. T. Howell 14440 1938-8-9
A: 00346127 Rosa woodsii ultramontana (S. Watson) Jepson USA: California Sherwin Grade J. T. Howell 14373 1938-8-7
A: 00366054 Rubus sp. Linnaeus USA: California Naturalized in Burlingame J. T. Howell 13891 1938-6-4
A: 00346282 Rubus ursinus Chamisso & Schlechtendal USA: California Burlingame J. T. Howell 13890 1938-6-4
A: 00346283 Rubus ursinus Chamisso & Schlechtendal USA: California Burlingame J. T. Howell 13888 1938-6-4
A: 00346284 Rubus ursinus Chamisso & Schlechtendal USA: California Near Rattlesnake, Mt. Tamalpais J. T. Howell 13929 1938-6-19
A: 00346285 Rubus ursinus Chamisso & Schlechtendal USA: California San Anselmo Canyon J. T. Howell 13801 1938-5-22
A: 00346287 Rubus ursinus Chamisso & Schlechtendal USA: California Burlingame J. T. Howell 13889 1938-6-4
A: 00346288 Rubus ursinus Chamisso & Schlechtendal USA: California Near West Point, Mt. Tamalpais J. T. Howell 13906 1938-6-5
A: 00346291 Rubus ursinus Chamisso & Schlechtendal USA: California Burlingame J. T. Howell 13888 1938-6-4
A: 00346294 Rubus ursinus Chamisso & Schlechtendal USA: California San Anselmo Canyon J. T. Howell 13788 1938-5-22
Rubiaceae GH: 00385867 Galium bolanderi A. Gray USA: California Raymond J. T. Howell 13856 1938-5-29
GH: 02359898 Galium grayanum nanum Dempster & Ehrendorfer USA: Nevada [data not captured] J. T. Howell 14179 1938-8-4
GH: 00417015 Galium multiflorum Kellogg USA: California Summit of Sherwin Grade J. T. Howell 14359 1938-8-7
GH: 00417015 Galium multiflorum hirsutum (A. Gray) A. Gray USA: California Summit of Sherwin Grade J. T. Howell 14359 1938-8-7
Salicaceae A: 00384325 Salix orestera C. K. Schneider USA: California Mammouth Lakes Basin J. T. Howell 14417 1938-8-8
Saxifragaceae A: 00363970 Ribes aureum gracillimum (Coville & Britton) Jepson USA: California Hospital Canyon J. T. Howell 13760 1938-4-10
A: 00363970 Ribes gracillimum Coville & Britton USA: California Hospital Canyon J. T. Howell 13760 1938-4-10
Scrophulariaceae GH: 00367307 Diplacus mephiticus (Greene) G. L. Nesom USA: California Near Crestview J. T. Howell 14503 1938-8-10
GH: 00367307 Mimulus nanus mephiticus (Greene) D. M. Thompson USA: California Near Crestview J. T. Howell 14503 1938-8-10
