Asteraceae GH: 01924335 Ageratina havanensis (Kunth) R. M. King & H. Robinson USA: California Strawberry Canon, south side, Berkeley Hills J. T. Howell 4714 1930-4-17
GH: 02140864 Agoseris apargioides eastwoodiae (Fedde) Munz USA: California [data not captured] J. T. Howell 4730 1930-4-20
GH: 00414364 Calycadenia villosa de Candolle USA: California Santa Lucia Mts. J. T. Howell 5632 1930-10-24
GH: 02020787 Cirsium edule Nuttall USA: California [data not captured] J. T. Howell 5296 1930-6-15
GH: 02020784 Cirsium edule Nuttall USA: California [data not captured] J. T. Howell 5400 1930-7-27
GH: 02021456 Cirsium occidentale (Nuttall) Jepson USA: California [data not captured] J. T. Howell 5025 1930-5-13
GH: 02021475 Cirsium occidentale (Nuttall) Jepson USA: California [data not captured] J. T. Howell 5251 1930-6-8
GH: 02021949 Cirsium venustum Porta USA: California [data not captured] J. T. Howell 5343 1930-7-13
GH: 02352354 Erigeron petrophilus Greene USA: California [data not captured] J. T. Howell 5663 1930-10-24
GH: 00037683 Grindelia arenicola Steyermark USA: California Sand dunes 4-5 miles north of Fort Bragg J. T. Howell 5473 1930-9-14
GH: 00417567 Grindelia camporum Greene USA: California Merced J. T. Howell 5329 1930-6-29
GH: 00417572 Grindelia camporum Greene USA: California Berkeley: Botanic Garden, Univ. of Californi... J. T. Howell 4550 1930-11-19
GH: 00037686 Grindelia camporum parviflora Steyermark USA: California Liberty School on Marsh Creek Road J. T. Howell 5496 1930-9-28
GH: 00037685 Grindelia camporum foliacea Steyermark USA: California 1 mile from Vacaville on road to Elmira J. T. Howell 5201 1930-5-30
GH: 00417606 Grindelia hirsutula Hooker & Arnott USA: California 8 miles west of Petaluma J. T. Howell 5223 1930-6-8
GH: 00417677 Grindelia hirsutula Hooker & Arnott USA: California 1 mile west of San Joaquin River bridge near... J. T. Howell 5550 1930-10-11
GH: 00037685 Grindelia hirsutula hirsutula USA: California 1 mile from Vacaville on road to Elmira J. T. Howell 5201 1930-5-30
GH: 00037693 Grindelia hirsutula hirsutula USA: California 8 miles west of Petaluma J. T. Howell 5221 1930-6-8
GH: 00417632 Grindelia hirsutula davyi (Jepson) M. A. Lane USA: California Mt. St. Helena J. T. Howell 5346 1930-7-13
GH: 00417654 Grindelia hirsutula maritima (Greene) M. A. Lane USA: California 17 mile Drive, Pacific Grove J. T. Howell 5430 1930-8-3
GH: 00037693 Grindelia hirsutula glabrata Steyermark USA: California 8 miles west of Petaluma J. T. Howell 5221 1930-6-8
GH: 00427313 Lasthenia macrantha (A. Gray) Green USA: California Pt. Reyes J. T. Howell 4739 1930-4-20
Boraginaceae GH: 01956551 Amsinckia intermedia Fischer & C. A. Meyer USA: California 3 miles west of San Andreas J. T. Howell 4699 1930-4-13
GH: 01956911 Amsinckia spectabilis Fischer & C. A. Meyer USA: California Pt. Reyes J. T. Howell 4731 1930-4-20
GH: 00403977 Plagiobothrys reticulatus rossianorum I. M. Johnston USA: California Bodega Road, 4 miles east of Valley Ford J. T. Howell 5225 1930-6-8
Brassicaceae GH: 01087447 Caulanthus hallii Payson USA: California 10 miles north of Warner's Hot Springs J. T. Howell 4811 1930-5-10
Chenopodiaceae GH: 00295495 Atriplex coronata S. Watson USA: California 5.4 miles from Byron on Marsh Creek Road J. T. Howell 5503 1930-9-28
GH: 00295499 Atriplex fruticulosa Jepson USA: California [data not captured] J. T. Howell 5324 1930-6-28
GH: 02003961 Atriplex gmelinii C. A. Meyer ex Bongard USA: California [data not captured] J. T. Howell 5528 1930-10-5
Crassulaceae GH: 01991212 Sedella pumila Britton & Rose USA: California Sierra foothills, 4.7 miles west of San Andr... J. T. Howell 4705 1930-4-13
Ericaceae GH: 00350328 Arctostaphylos glandulosa Eastwood USA: California 26 miles from Livermore on road to San Anton... J. T. Howell 4676 1930-4-6
GH: 00350329 Arctostaphylos glandulosa Eastwood USA: California First divide on road to Livermore after leav... J. T. Howell 4675 1930-4-6
GH: 00350330 Arctostaphylos glandulosa Eastwood USA: California Near Mt. St. Helena J. T. Howell 4562 1930-3-23
GH: 00014677 Arctostaphylos howellii Eastwood USA: California Canyon of the Arroyo Seco River, Santa Lucia... J. T. Howell 5687 1930-10-25
GH: 00350580 Arctostaphylos manzanita Parry USA: California Chaparral on the edge of the "Crater Country... J. T. Howell 5352 1930-7-13
GH: 00350581 Arctostaphylos manzanita Parry USA: California East of Mt. St. Helena Inn near Mt. St. Hele... J. T. Howell 4555 1930-3-23
GH: 00362125 Arctostaphylos pungens Kunth USA: California the Pinnacles J. T. Howell 4604 1930-3-29
A: 00362583 Arctostaphylos sp. USA: California Chaparral-covered slope near Phoenix Lake J. T. Howell 5380 1930-7-20
GH: 00362435 Arctostaphylos viscida Parry USA: California Five miles south of Middletown on road to Ca... J. T. Howell 4572 1930-3-23
A: 00362449 Arctostaphylos viscida Parry USA: California Five miles south of Middletown on road to Ca... J. T. Howell 4572 1930-3-23
Fabaceae GH: 00366691 Lupinus albifrons Bentham USA: California Four miles from Middletown on road to Adams ... J. T. Howell 4570 1930-3-23
Garryaceae GH: 00401700 Garrya elliptica Douglas ex Lindley USA: California ne. slope of Grizzley Peak, Berkeley Hills J. T. Howell 5304 1930-6-15
Hedwigiaceae FH: 00919587 Pseudobraunia californica (Lesquereux) Brotherus USA: California [data not captured] J. T. Howell 1930-3-29
FH: 00919604 Pseudobraunia californica (Lesquereux) Brotherus USA: California [data not captured] J. T. Howell 1930-3-29
Hydrophyllaceae GH: 00402976 Phacelia insularis continentis J. T. Howell USA: California near the lighthouse, Pt. Reyes J. T. Howell 4732 1930-4-20
GH: 00401064 Phacelia ramosissima Douglas ex Lehmann USA: California Carmel Bay, Carmel J. T. Howell 5434 1930-8-3
Lamiaceae GH: 00400686 Monardella villosa Bentham USA: California Rocky summit of Little Grizzley, Berkeley Hi... J. T. Howell 5313 1930-6-15
GH: 00400809 Pogogyne serpylloides (Torrey) A. Gray USA: California Bald Peak J. T. Howell 4747 1930-4-22
Malvaceae GH: 00385032 Sidalcea malviflora purpurea C. L. Hitchcock USA: California 5 miles from Inverness, Pt. Reyes Peninsula J. T. Howell 4725 1930-4-20
Onagraceae GH: 01624338 Boisduvalia cleistogama Curran USA: California 1 miles sw. of Elmira J. T. Howell 5210 1930-5-30
Orobanchaceae GH: 02081154 Castilleja linearifolia Bentham USA: California Hills near Glenville, Greenhorn Range J. T. Howell 5123 1930-5-15
Pinaceae A: 00355306 Picea breweriana S. Watson USA: California Spirit Lake, Marble Mts. J. T. Howell 14900 1930-8-2
Polemoniaceae GH: 00385110 Gilia capitata chamissonis (Greene) V. E. Grant USA: California north end of Bodega Bay J. T. Howell 5272 1930-6-8
GH: 00385145 Gilia latiflora (A. Gray) A. Gray USA: California east slope of the Greenhorn Range J. T. Howell 5073 1930-5-14
GH: 00403080 Leptosiphon serrulatus (Greene) J. M. Porter & L. A. Johnson USA: California Hills near Glenville, Greenhorn Range J. T. Howell 5132 1930-5-15
GH: 00403080 Linanthus serrulatus Greene USA: California Hills near Glenville, Greenhorn Range J. T. Howell 5132 1930-5-15
Polygonaceae GH: 01717888 Chorizanthe xantii S. Watson USA: California Kern Canyon, 7 miles above Kernville J. T. Howell 5034 1930-5-13
GH: 01986348 Eriogonum nudum pubiflorum Bentham USA: California [data not captured] J. T. Howell 5463 1930-9-13
GH: 02360284 Polygonum californicum Meisner USA: California [data not captured] J. T. Howell 5568 1930-10-12
GH: 02360283 Polygonum californicum Meisner USA: California [data not captured] J. T. Howell 5444 1930-8-24
Pottiaceae FH: 01135921 Tortula ruralis (Hedwig) G. Gaertner, B. Meyer & Scherbius USA: California [data not captured] J. T. Howell 1930-4-13
Rhamnaceae A: 00425263 Ceanothus sorediatus Hooker & Arnott USA: California Strawberry Canyon, Berkeley Hills J. T. Howell 4716 1930-4-17
GH: 00425511 Ceanothus sorediatus Hooker & Arnott USA: California Strawberry Canyon, Berkeley Hills J. T. Howell 4716 1930-4-17
Rubiaceae GH: 00385841 Galium bolanderi A. Gray USA: California Kern Canyon, 7 miles above Kernville J. T. Howell 5045 1930-5-13
GH: 00385855 Galium bolanderi A. Gray USA: California Hills near Glenville, Greenhorn Range J. T. Howell 5167 1930-5-15
GH: 00385856 Galium bolanderi A. Gray USA: California Hills near Glenville, Greenhorn Range J. T. Howell 5168 1930-5-15
GH: 00385857 Galium bolanderi A. Gray USA: California Hills near Glenville, Greenhorn Range J. T. Howell 5166 1930-5-15
GH: 00385858 Galium bolanderi A. Gray USA: California East slope of the Greenhorn Range J. T. Howell 5069 1930-5-14
GH: 00385780 Galium californicum Hooker & Arnott USA: California near Toll House, Mt. St. Helena region J. T. Howell 5365 1930-7-13
GH: 00385782 Galium californicum Hooker & Arnott USA: California West side of Grizzley Peak, Berkeley Hills J. T. Howell 5307 1930-6-15
GH: 00385785 Galium californicum Hooker & Arnott USA: California 1 mile east of Bodega Bay J. T. Howell 5246 1930-6-8
GH: 00385795 Galium californicum Hooker & Arnott USA: California Fort Ross J. T. Howell 5387 1930-7-27
GH: 00385796 Galium californicum Hooker & Arnott USA: California ne. slope of Grizzley Peak J. T. Howell 5308 1930-6-15
GH: 00385797 Galium californicum Hooker & Arnott USA: California just south of Phoenix Lake J. T. Howell 5381 1930-7-20
GH: 00385806 Galium californicum Hooker & Arnott USA: California 1 mile north of Fort Ross J. T. Howell 5406 1930-7-27
GH: 00385807 Galium californicum Hooker & Arnott USA: California Pt. Lobos J. T. Howell 5436 1930-8-3
GH: 02138570 Galium nuttallii A. Gray USA: California [data not captured] J. T. Howell 5285 1930-6-8
GH: 02138553 Galium nuttallii A. Gray USA: California [data not captured] J. T. Howell 5263 1930-6-8
GH: 02138552 Galium nuttallii A. Gray USA: California [data not captured] J. T. Howell 5303 1930-6-15
GH: 02138551 Galium nuttallii A. Gray USA: California [data not captured] J. T. Howell 5186 1930-5-21
GH: 00417043 Galium triflorum Michaux USA: California 1 mile north of Fort Ross J. T. Howell 1930-7-27
Saxifragaceae A: 00363930 Ribes aureum Pursh USA: California 9 miles from summit of Mt. Hamilton on road ... J. T. Howell 4667 1930-4-6
GH: 00363944 Ribes aureum Pursh USA: California 9 miles from summit of Mt. Hamilton on road ... J. T. Howell 4667 1930-4-6
Solanaceae GH: 00244983 Solanum umbelliferum Eschscholtz USA: California The Pinnacles J. T. Howell 4588 1930-3-28
GH: 00244943 Solanum umbelliferum Eschscholtz USA: California West slope of the Greenhorn Range J. T. Howell 5100 1930-5-14
GH: 00244841 Solanum umbelliferum Eschscholtz USA: California St. John's Grade J. T. Howell 4793 1930-5-10
GH: 00267020 Solanum umbelliferum Eschscholtz USA: California Holt J. T. Howell 5512 1930-9-28
GH: 00267020 Solanum umbelliferum californicum Parish USA: California Holt J. T. Howell 5512 1930-9-28
GH: 00244841 Solanum xanti A. Gray USA: California St. John's Grade J. T. Howell 4793 1930-5-10
GH: 00244943 Solanum xanti A. Gray USA: California West slope of the Greenhorn Range J. T. Howell 5100 1930-5-14
GH: 00267020 Solanum xanti A. Gray USA: California Holt J. T. Howell 5512 1930-9-28
