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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CAS-BOT-BC77959
Abies bracteata
J. H. Thomas
1949-10-30
1210
Monterey
Miller's Canyon from about 4300 feet downward; Vicinity of China Camp, between Jamesburg and Tassajara [Hotsprings]
1524
Comment
CAS-BOT-BC78066
Abies grandis
Hazelle A. Thomas; John H. Thomas
1955-6-25
657
Mendocino
Near State Highway No. 1, about 3.2 miles south of town of Fort Bragg
45
Comment
VVC2508
Abies magnifica
Tim Thomas, P. J. MacKay
2004-7-14
3477
Inyo
Southern High Sierra, Cottonwood Lakes Basin; just east of Lk 5.
3433
Comment
CAS-BOT-BC177051
Acacia dealbata
John H. Thomas
1950-3-26
1321
Santa Cruz
Between Big Basin and Hilton Airport, about 1 mile NW of the Airport
274
Comment
CAS-BOT-BC177052
Acacia dealbata
John H. Thomas
1953-2-1
2745
Santa Cruz
Near Pasatiempo Golf Course near Santa Cruz
91
Comment
CAS-BOT-BC177063
Acacia longifolia
John H. Thomas
1953-2-23
2811
Santa Cruz
Along High Street between Bay Street and Spring Street near Bay Street Reservoir, City of Santa Cruz
Comment
RSA187361
Acacia melanoxylon
John H. Thomas
1953-3-8
2839
Santa Cruz
Near Southern Pacific RR tracks and State Park Drive, near Aptos.
Comment
CAS-BOT-BC451131
Acaena pinnatifida var. californica
John H. Thomas
1961-5-12
9328
San Mateo
San Bruno Mountain in northern part of county. Northern Coastal Scrub of Munz and Keck.
396
Comment
CAS-BOT-BC451137
Acaena pinnatifida var. californica
John H. Thomas
1955-4-6
4865
San Francisco
North peak, Twin Peaks
274
Comment
CAS-BOT-BC333270
Acer macrophyllum
J. H. Thomas
1954-4-30
4005
Santa Clara
About 1.5 miles from Saratoga up Campbell Creek
243
Comment
JROH157
Acer macrophyllum
John H. Thomas
1974-11-5
17664
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Trail below dam
114
Comment
JROH158
Acer macrophyllum
John H. Thomas
1975-6-5
17948
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Below Searsville Dam
91
Comment
JROH159
Acer macrophyllum
John H. Thomas
1975-6-5
17948
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Below Searsville Dam
91
Comment
RSA132389
Acer macrophyllum
John H. Thomas
1953-6-13
3329
Santa Cruz
Mt. Charley Road, about 0.4 mile west of summit of Santa Cruz-Los Gatos Highway.
595
Comment
UCSB68102
Acer macrophyllum
Kathryn Thomas, Kathy Rindlaub, Lynn Houng
1993-5-16
SR- 260
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Blue schist watershed
533
Comment
JROH167
Acer negundo
John H. Thomas
1968-3-17
14175
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Searsville Lake
106
Comment
JROH168
Acer negundo
John H. Thomas
1968-3-17
14175
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Searsville Lake
106
Comment
JROH169
Acer negundo
John Hunter Thomas
1978-7-8
19258
San Mateo
Jasper Ridge Biological Preserve, Stanford University
85
Comment
CAS-BOT-BC336931
Acer negundo var. californicum
J. H. Thomas; T. C. Fuller; G. D. Barbe
1980-4-29
53406
Siskiyou
Fort Jones
853
Comment
CAS-BOT-BC336932
Acer negundo var. californicum
John H. Thomas
1953-5-31
3283
Santa Cruz
Along Parajo River about 5.5 miles east of Watsonville
Comment
CAS-BOT-BC18751
Achillea millefolium
J. H. Thomas
1981-4-20
20366
Sutter
Sutter Buttes. Dean Place.
213
Comment
CAS-BOT-BC18855
Achillea millefolium
J. H. Thomas
1952-5-31
3278
Santa Cruz
Sunset Beach State Park
6
Comment
CAS-BOT-BC30083
Achillea millefolium
J. H. Thomas
1976-6-15
18268
Sonoma
Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala
30
Comment
JROH442
Achillea millefolium
John H. Thomas
1967-5-31
12934
San Mateo
Jasper Ridge Biological Preserve, Stanford University
120
Comment
JROH447
Achillea millefolium
John Hunter Thomas
1980-5-8
19954
San Mateo
Jasper Ridge Biological Preserve, Stanford University
124
Comment
JROH448
Achillea millefolium
John Hunter Thomas
1981-4-23
20489
San Mateo
Jasper Ridge Biological Preserve, Stanford University
130
Comment
JROH449
Achillea millefolium
John Hunter Thomas
1983-6-29
22701
San Mateo
Jasper Ridge Biological Preserve, Stanford University; top of Rattlesnake Rock
105
Comment
RSA713298
Achillea millefolium
Cassandra Thomas, Naomi Fraga, Laura Condon
2006-7-14
1
Tulare
Lamont Meadows
1738
Comment
VVC2593
Achillea millefolium
Tim Thomas
1983-7-28
669
Inyo
Southern High Sierra Nevada, Cottonwood Lakes Basin Watershed. Old trail about 1/2 mile below Golden trout Camp on east side of drainage
3091
Comment
CAS-BOT-BC210750
Achnatherum nelsonii
H. A. Thomas; J. H. Thomas
1954-7-24
4513
Siskiyou
Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville
1981
Comment
JROH463
Achyrachaena mollis
John H. Thomas
1971-4-10
15754
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH475
Achyrachaena mollis
John Hunter Thomas
1988-5-3
24447
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA137300
Achyrachaena mollis
John H. Thomas
1956-5-2
5693
Santa Clara
Monte Bello Ridge, about 5 miles south of Los Altos
671
Comment
CAS-BOT-BC29134
Achyrachaena mollis
J. H. Thomas
1954-4-19
3911
Santa Clara
Stanford University Campus, near intersection of Stanford and Mayfield Avenues.
15
Comment
RSA176545
Achyrachaena mollis
John H. Thomas
1963-5-3
10046
Santa Clara
838 Cedro Way, Stanford
Comment
JROH2076
Acmispon glaber var. glaber
John Hunter Thomas
1989-5-11
24728
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near hillside laboratory
157
Comment
JROH2078
Acmispon strigosus
John H. Thomas
1963-5-12
10083
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2086
Acmispon wrangelianus
John H. Thomas
1956-4-7
5614 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2096
Acmispon wrangelianus
John H. Thomas
1970-4-29
15617
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2098
Acmispon wrangelianus
John H. Thomas
1974-4-4
17078
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC391539
Aconitum columbianum subsp. columbianum
H. A. Thomas; J. H. Thomas
1954-7-25
4521
Siskiyou
Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville
1981
Comment
CAS-BOT-BC391679
Actaea rubra
J. H. Thomas
1963-5-6
10062
San Mateo
Summit of La Honda Road at Skyline Blvd.
609
Comment
CAS-BOT-BC29308
Adenocaulon bicolor
John H. Thomas
1953-7-28
3530
Santa Cruz
Between Big Basin and Drinking Fountain
563
Comment
CAS-BOT-BC132946
Adenostoma fasciculatum
John H. Thomas
1975-4-27
17826
San Benito
Pinnacles National Monument, Pinnacles Loop Trail
762
Comment
CAS-BOT-BC139908
Adenostoma fasciculatum
J. H. Thomas
1950-6-5
1951
Santa Cruz
About 1/2 mile below Saratoga Summit, along an abandoned road which runs toward the Ranger Station
609
Comment
UCSB2723
Adenostoma fasciculatum var. fasciculatum
Thomas, Cynthia
1959-7-23
Santa Barbara
2 mi. past Kinevan Canyon on Camino Cielo
762
Comment
CAS-BOT-BC65677
Adiantum jordanii
J. H. Thomas
1950-3-30
1399
Santa Cruz
Soquel Valley, 1 mile south of Mountain School
Comment
JROH90
Adiantum jordanii
John H. Thomas
1976-4-2
18077
San Mateo
Jasper Ridge Biological Preserve, Stanford University.
Comment
JROH92
Adiantum jordanii
John Hunter Thomas
1981-4-5
20285
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek
Comment
UCSB68039
Adiantum jordanii
Kathryn Thomas, Kathy Rindlaub, Lynn Houng
1993-5-16
SR- 275
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Ridge divide between Lisque/Figueroa and Tranquility Valley Road
487
Comment
JROH2706
Aesculus californica
John H. Thomas
1969-5-28
15086
San Mateo
Jasper Ridge Biological Preserve, Stanford University
134
Comment
JROH2708
Aesculus californica
John H. Thomas
1971-5-30
15972
San Mateo
Jasper Ridge Biological Preserve, Stanford University
120
Comment
RSA126391
Aesculus californica
John H. Thomas
1953-5-31
3314
Santa Cruz
Northeast of Soda Lake.
152
Comment
UCSB68126
Agoseris
Kathryn Thomas, Wayne Ferren
1993-4-20
SR- 147
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Upper end vernal valley
353
Comment
CAS-BOT-BC21358
Agoseris aurantiaca var. aurantiaca
J. H. Thomas; H. A. Thomas
1955-9-10
5445
Fresno
Vicinity of Mono Pass, Pioneer Basin. Along Golden Creek between 4th Recess and Golden Lake
3352
Comment
VVC3031
Agoseris grandiflora
Tim Thomas, Matt Willis
2014-6-25
6397
Tulare
Southern Sierra Nevada Western Divide, Vicinity of Quaking Aspen Camp
2152
Comment
CAS-BOT-BC22740
Agoseris grandiflora var. grandiflora
J. H. Thomas
1958-4-18
7100
San Francisco
Corona Heights
152
Comment
JROH485
Agoseris grandiflora var. grandiflora
John Hunter Thomas
1981-5-25
20638
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH492
Agoseris heterophylla
John Hunter Thomas
1978-4-20
19074
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC1125446
Agoseris parviflora
W. D. Thomas
1935-7-9
161
Alpine
.5 mi nne Colorado Hill; Markleeville Quad.
2072
Comment
JROH4772
Agrostis avenacea
John Hunter Thomas
1980-9-27
20197
San Mateo
Jasper Ridge Biological Preserve, Stanford University; old bathing beach area in weeds near water's edge
120
Comment
RSA195602
Agrostis capillaris
John H. Thomas
1958-8-31
7460
Santa Clara
Lawn weeds of the Stanford campus. In front Chemistry Bldg. Flowering at edge of lawn.
Comment
CAS-BOT-BC127466
Agrostis densiflora
John H. Thomas
1963-5-20
10153
San Mateo
Ano Nuevo Island, about 0.5 mile off shore and about 20 miles northwest of Santa Cruz.
Comment
CAS-BOT-BC138554
Agrostis variabilis
H. A. Thomas; J. H. Thomas
1955-9-10
5450
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess and adjacent Mono Creek. Along shores of Golden Lake.
3352
Comment
CAS-BOT-BC138558
Agrostis variabilis
H. A. Thomas; J. H. Thomas
1955-9-8
5385
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess and adjacent Mono Creek.
3048
Comment
CAS-BOT-BC138436
Aira caryophyllea
John H. Thomas
1973-4-23
16618
San Benito
Pinnacles National Monument. Rim Trail from Bear Gulch Reservoir to High Peaks Trail.
Comment
RSA159442
Aira caryophyllea
John H. Thomas
1961-5-23
9455
San Mateo
Portola State Park, near junction of Peters and Pescadero Creeks.
152
Comment
CAS-BOT-BC138224
Aira caryophyllea var. caryophyllea
J. H. Thomas
1950-5-14
1882
Santa Cruz
Ben Lomond Sand Hills, near summit of Quail Hollow Road on Ben Lomond side.
152
Comment
CAS-BOT-BC138228
Aira caryophyllea var. caryophyllea
J. H. Thomas
1953-5-23
3201
Santa Cruz
Saint Mary of the Palms, summer girls' camp near Glenwood.
304
Comment
CAS-BOT-BC138302
Aira caryophyllea var. caryophyllea
Hazelle A. Thomas; John H. Thomas
1955-6-25
627
Mendocino
Along Fort Bragg - Willits Road. Near Old Camp 19, between Whiskey Springs Fire Camp and Dunlap, 11.5 miles inland from the coast.
91
Comment
CAS-BOT-BC138188
Aira praecox
John H. Thomas
1976-6-16
18339
Sonoma
Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala.
30
Comment
CAS-BOT-BC180666
Albizia lophantha
John H. Thomas
1958-7-15
7334
San Francisco
Sutro Heights near Point Lobos, San Francisco
30
Comment
VVC2032
Allium bisceptrum
Tim Thomas, PJ MacKay
2005-6-5
3819
San Bernardino
San Bernardino Mtns., East of Holcomb Valley on FS Rd 3N16; sec 35 T3N;R1E.
2241
Comment
UCR240521
Allium campanulatum
Tim Thomas, P. J. MacKay
2004-5-8
3338
San Bernardino
San Bernardino Mountains, above [south of] Cactus Flat, west of Hwy 18
1991
Comment
CAS-BOT-BC469360
Allium hyalinum
J. H. Thomas
1949-4-24
s.n.
Santa Clara
Pacheco Pass
Comment
JROH4557
Allium peninsulare var. franciscanum
John H. Thomas
1971-5-30
15963
San Mateo
Jasper Ridge Biological Preserve, Stanford University.
Comment
CAS-BOT-BC475497
Allium triquetrum
J. H. Thomas
1964-4-5
10298
Santa Clara
Stanford University Campus, Biology Department Experimental Garden
Comment
CAS-BOT-BC171251
Alnus
John H. Thomas; Hazelle A. Thomas
1956-7-21
6195
Placer
Vicinity of Donner Pass, about 80 miles NE of Sacramento. Sierra Nevada
2377
Comment
JROH1324
Alnus rhombifolia
John H. Thomas
1964-11-29
10539
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below dam
Comment
JROH1329
Alnus rhombifolia
John Hunter Thomas
1992-5-26
25351
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek near bridge & below the dam
Comment
UCSB1006
Alnus rhombifolia
Thomas, Cynthia
1959-7-23
Santa Barbara
Kinevan Canyon, just off San Marcos Pass Rd.
609
Comment
CAS-BOT-BC169358
Alnus rubra
John H. Thomas
1959-8-16
8072
Santa Cruz
Waddell Creek about 2 miles inlad from the coast. Rancho del Oso.
15
Comment
CAS-BOT-BC169565
Alnus rubra
John H. Thomas
1974-12-29
17668
Santa Clara
Stanford University. Frenchman's Hill residence area
Comment
RSA140625
Amaranthus albus
John H. Thomas
1954-9-9
4589
Santa Clara
Near Old Winery, between Mausoleum and Stanford Convalescent Home, Stanford University
Comment
UC1195197
Amaranthus deflexus
John H. Thomas
1960-7-11
8810
Santa Clara
Stanford University Campus, at Engineering corner Stanford University Campus
Comment
VVC2325
Amaranthus fimbriatus
Tim Thomas
2011-10-17
5516
Riverside
Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake.
108
Comment
RSA177068
Amaranthus powellii
John H. Thomas
1964-9-3
10473
Santa Clara
838 Cedro Way, Stanford.
Comment
CAS-BOT-BC42865
Ambrosia acanthicarpa
J. H. Thomas
1959-9-19
8167
Mono
Lee Vining
Comment
CAS-BOT-BC22354
Ambrosia dumosa
J. H. Thomas
1957-4-6
6642
San Bernardino
Mojave Desert. 1.4 miles north of Yucca Valley on raod to Lucerne Valley.
914
Comment
CAS-BOT-BC273059
Ambrosia salsola
John H. Thomas
1957-4-6
6635 A
San Bernardino
Mojave Desert. 1.4 miles north of Yucca Valley on road to Lucerne Valley. About 19 miles west of town of Twentynine Palms
914
Comment
LA102662
Amelanchier pallida
John H. Thomas;
1950-4-23
1686
Santa Cruz
0.9 mi. S of Glecarry Rd. between hwy 9 and Southern Pacific rr tracks and the San Lorenxo River. About 2 mi. from Felton
Comment
CAS-BOT-BC136854
Amelanchier utahensis
J. H. Thomas
1965-5-15
10657
Santa Clara
Mt. Hamilton Range, road banks about 1 mile toward San Jose along the highway from Smith Creek
Comment
RSA0089684
Amsinckia intermedia
John H. Thomas
1964-4-19
10324
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Near Searsville Lake.
Comment
UCSB68173
Amsinckia intermedia
Kathryn Thomas, Kathy Rindlaub
1993-3-7
SR- 42
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Transect B
624
Comment
JROH1347
Amsinckia menziesii
John Hunter Thomas
1981-4-21
20459
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSB68177
Amsinckia menziesii
Thomas, K.; Ferren, Wayne
1993-6-8
Santa Barbara
Southern Foothills of the San Rafael Range, Sedgwick Reserve, slopes along drainage above lower gate
490
Comment
UCSB68306
Anagallis arvensis
Kathryn Thomas, Kathy Rindlaub
1993-3-7
SR- 37
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Seep on flat above creek bed, downslope, upper ranch near USFS
716
Comment
JROH3372
Anagallis minima
John H. Thomas
1968-4-19
14304
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC45182
Anaphalis margaritacea
John Hunter Thomas
1967-5-2
12803
San Mateo
San Bruno Mountain, about 1/4 mile up Market St from new school canyon.
Comment
YM-YOSE60113
Anaphalis margaritacea
W. D. Thomas
1935-10-20
552
Mariposa
1 1/2 MILE SSE OF CRANE FLAT RANGER STATION
1859
Comment
CAS-BOT-BC391914
Anemone grayi
J. H. Thomas
1949-4-14
274
San Mateo
Kings Mountain
Comment
RSA142815
Anemopsis californica
John H. Thomas
1960-9-17
8919
Inyo
Saline Valley
305
Comment
UC1195183
Anemopsis californica
John H. Thomas
1960-9-17
8919
Inyo
Saline Valley
304
Comment
VVC2963
Anisocoma acaulis
Tim Thomas, G Rink, A Schuab
2014-3-24
6174 C
San Bernardino
Mojave Desert, Johnson Valley; small pass midway btw Mellville and Galway Dry Lks.
884
Comment
VVC2580
Antennaria corymbosa
Tim Thomas, P. J. MacKay
2004-7-14
3484
Inyo
Southern High Sierra, Cottonwood Lakes Basin; DFG cabin pond.
3396
Comment
VVC2138
Antennaria rosea
Tim Thomas, P. J. MacKay
2012-6-8
5655
San Bernardino
San Bernardino Mtns, Along FS 1N05 0.9 road miles from Coon Ck Jct.
2189
Comment
CAS-BOT-BC84752
Antennaria rosea subsp. rosea
John H. Thomas
1957-9-1
6860
Fresno
Between Trail and Summit Lakes. Vicinity of Mono Pass, 4th Recess, Pioneer Basin, and upper Mono Creek.
3505
Comment
CAS-BOT-BC102266
Anthemis cotula
J. H. Thomas
1953-5-30
3257
Santa Cruz
in SE part of county along Southern Pacific Railroad tracks
91
Comment
JROH499
Anthemis cotula
John H. Thomas
1974-6-27
17453
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near the low flow crossing below Searsville Dam
Comment
JROH510
Anthemis cotula
John Hunter Thomas
1985-5-21
23668
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near the low-flow crossing of San Francisquito Creek
Comment
CAS-BOT-BC102300
Anthemis cotula
John H. Thomas
1955-6-9
5202
Santa Clara
Along Escondido Road, near Wilbur Hall, Stanford University Campus
Comment
JROH498
Anthemis cotula
John H. Thomas
1963-6-23
10173
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge
Comment
CAS-BOT-BC280653
Anthoxanthum occidentale
John H. Thomas
1958-3-1
7004
Santa Cruz
Big Basin. Along the East Fork of Wadell Creek
304
Comment
CAS-BOT-BC280655
Anthoxanthum occidentale
John H. Thomas
1950-4-23
1688
Santa Cruz
About 0.9 miles south of Glencarry road. About 2 miles S-SW of Felton
121
Comment
SEINET7614637
Anthoxanthum occidentale
John H. Thomas
1961-1
9351
Santa Cruz
Rancho del Oso. Redwoods along Waddell Creek, about 2-3 mi. inland.
Comment
JROH193
Anthriscus caucalis
John H. Thomas
1966-4-22
11571 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH203
Anthriscus caucalis
John Hunter Thomas
1989-5-5
24658
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JEPS23943
Antirrhinum vexillocalyculatum subsp. vexillocalyculatum
J. H. Thomas
1953-7-28
3527
Santa Cruz
State Highway 9; 1.2 mi n of Drinking Fountain
475
Comment
RSA127720
Antirrhinum vexillocalyculatum subsp. vexillocalyculatum
John H. Thomas
1953-7-28
3527
Santa Cruz
Along State Highway #9, 1.2 miles north of 'Drinking Fountain', as measured along the highway.
476
Comment
CAS-BOT-BC454504
Aphanes occidentalis
John H. Thomas
1955-4-4
4821
Santa Clara
Near Page Mill Road about 3.7 miles from Stadford University.
121
Comment
JROH3601
Aphanes occidentalis
John H. Thomas
1968-3-17
14195
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3603
Aphanes occidentalis
John H. Thomas
1973-4-14
16564
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC454476
Aphanes occidentalis
John H. Thomas
1974-4-11
17125
San Mateo
Serpentine area to the SE of Canada Road and Edgewood Road. NW of Woodside.
152
Comment
CAS-BOT-BC218478
Apiaceae
John H. Thomas
1963-5-4
10055
Santa Clara
One mile due west of summit of Mount Hamilton Observatory, about 12.5 miles east of center of San Jose, Mount Hamilton Range
914
Comment
CAS-BOT-BC218506
Apiaceae
John H. Thomas
1967-4-10
12614
Fresno
Jacalitos Hills, eastern margin of the Inner Coast Range, between Warthan and Jacalitos Creeks, about 2-5 miles southward from Coalinga
304
Comment
VVC1732
Arabis perennans
Tim Thomas, PJ MacKay
2008-5-26
4498 B
San Bernardino
North slope San Bernardino Mtns, Lower Marble Canyon - proposed Mitsubishi expanison.
1784
Comment
RSA126367
Aralia californica
John H. Thomas
1953-10-3
3598
Santa Cruz
Along Big Basin- Boulder Creek Highway, about 2 miles NW of town of Boulder Creek
244
Comment
RSA131152
Arbutus menziesii
John H. Thomas
1959-12-31
8527
Santa Cruz
About 2 miles north of Boulder Creek near Highway 9.
198
Comment
RSA165904
Arceuthobium campylopodum
John H. Thomas
1963-9-10
10262
Tuolumne
About 2.8 miles NE of Longbarn as measured along Hwy 108.
1616
Comment
CAS-BOT-BC24165
Arctostaphylos
John H. Thomas
1966-3-19
11501
Del Norte
About 1 mile NE of Gasquet.
Comment
CAS-BOT-BC25302
Arctostaphylos andersonii
John H. Thomas
1953-2-1
2742
Santa Cruz
Mt. Madonna Rd. near Manzanitos school along crest of Santa Cruz Mountains.
609
Comment
RSA119237
Arctostaphylos andersonii
John H. Thomas
1953-2-1
2742
Santa Cruz
Mt. Madonna Road near Manzanita School along crest of Santa Cruz Mountains.
610
Comment
UC1190022
Arctostaphylos andersonii
John H. Thomas
1950-12-16
2515
Santa Cruz
near Ben Lomond CYA Camp; Ben Lomond Mountain
Comment
CAS-BOT-BC23932
Arctostaphylos canescens subsp. canescens
John H. Thomas
1953-6-14
3367
Santa Cruz
Bracken Brae, about 1.5 miles NW of Boulder Creek near Boulder Creek - Big Basin Highway.
365
Comment
CAS-BOT-BC23464
Arctostaphylos crustacea
John H. Thomas
1953-2-1
2728
Santa Cruz
About 1 mile NW of Larkin Valley along State Highway #1, between Santa Cruz and Watsonville.
60
Comment
CAS-BOT-BC25192
Arctostaphylos crustacea
John H. Thomas
1953-3-8
2859
Santa Cruz
Vicinity of Loma Prieta Rd. and road leading to Loma Prieta Lookout.
944
Comment
CAS-BOT-BC25196
Arctostaphylos crustacea
John H. Thomas
1949-10-9
1127
Santa Cruz
Near Highway 9 about 1 mile N of drinking fountain toward Saratoga Summit.
457
Comment
CAS-BOT-BC25223
Arctostaphylos crustacea
John H. Thomas
1953-2-1
2727
Santa Cruz
About 1 mile NW of Larkin Valley slong State Highway #1, between Santa Ctuz and Watsonville.
60
Comment
JROH1926
Arctostaphylos crustacea subsp. crustacea
John H. Thomas
1974-6-30
17463
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1933
Arctostaphylos crustacea subsp. crustacea
John H. Thomas
1974-4-25
17208
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Searsville end of ridge
Comment
JROH1935
Arctostaphylos crustacea subsp. crustacea
John H. Thomas
1975-1-18
17675
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Searsville end of ridge
Comment
CAS-BOT-BC23293
Arctostaphylos glandulosa subsp. glandulosa
John H. Thomas
1953-7-25
3509
Santa Cruz
About 1.5 miles north of Chalks Lookout in NW portion of Santa Cruz County between Henry and Whitehouse Creeks.
365
Comment
CAS-BOT-BC39153
Arctostaphylos glauca
J. H. Thomas
1953-2-1
2746
Santa Clara
Slope of Loma Prieta Ridge
457
Comment
CAS-BOT-BC24555
Arctostaphylos glutinosa
J. H. Thomas
1954-5-7
4077
Santa Cruz
On top of ridge between Scott and Mill Creek drainages, about 1.7 mi. s.-sw. of Eagle Rock.
609
Comment
CAS-BOT-BC24560
Arctostaphylos glutinosa
J. H. Thomas
1954-5-7
4077
Santa Cruz
On top of ridge between Scott and Mill Creek drainages, about 1.7 mi. s.-sw. of Eagle Rock.
609
Comment
CAS-BOT-BC24518
Arctostaphylos hooveri
H. A. Thomas; J. H. Thomas
1955-7-16
5241
Monterey
Vicinity of Nacimiento Summit.
914
Comment
CAS-BOT-BC38660
Arctostaphylos manzanita subsp. manzanita
John H. Thomas
1981-4-20
20333
Sutter
Sutter Buttes .5 - .75 miles eastward of Dean Place.
182
Comment
RSA187470
Arctostaphylos nummularia
John H. Thomas
1966-3-21
11512
Mendocino
About 2-3 miles east of Noyo along Hwy 20.
91
Comment
CAS-BOT-BC46178
Arctostaphylos silvicola
John H. Thomas
1953-2-14
2776
Santa Cruz
Ben Lomond Sand Hills near Quail Hollow Rd.
167
Comment
GH362137
Arctostaphylos silvicola
J. H. Thomas
1966-5-31
11651
Unknown
About 2 miles from Felton toward Santa Cruz along Graham Hill Road. Lat. N. 37 02.5, Long. 112 03 W. Ben Lomond Sand Hills
Comment
RSA119215
Arctostaphylos silvicola
John H. Thomas
1953-2-23
2803
Santa Cruz
About 2 1/2 miles SE of Felton between Graham Hill Road and Mt. Hermon Road.
213
Comment
RSA119228
Arctostaphylos tomentosa subsp. crustacea
John H. Thomas
1953-3-8
2859
Santa Cruz
Vicinity of Loma Prieta Road and road leading to Loma Prieta Lookout.
945
Comment
RSA119233
Arctostaphylos tomentosa subsp. crustacea
John H. Thomas
1951-2-4
2544
Santa Cruz
Foot of Blooms Grade. Opposite Hilton Airport.
244
Comment
RSA181254
Arctostaphylos tomentosa subsp. crustacea
John H. Thomas
1961-12-31
9832
Santa Clara
Along road just below slope of Loma Prieta.
1098
Comment
CAS-BOT-BC47264
Arctostaphylos tomentosa subsp. hebeclada
J. H. Thomas
1954-4-30
4014
Monterey
Hill Creek Drainage, w. side. About 2.3 mi. sw. of Eagle Rock.
518
Comment
VVC1738
Arenaria macradenia var. macradenia
Tim Thomas, PJ MacKay
2008-5-26
4492
San Bernardino
North slope San Bernardino Mtns, Lower Marble Canyon - proposed Mitsubishi expanison.
1784
Comment
CAS-BOT-BC401603
Argemone corymbosa subsp. corymbosa
J. H. Thomas
1949-4-23
455
Riverside
9 miles north of Desert Center, near Boulder Well, on highway between Desert Center and Rice
Comment
UCR240512
Aristida adscensionis
Tim Thomas, Alice Karl
2012-9-7
5886
San Bernardino
Mojave Desert, Valley Mountain 8.5 mi northeast of Twentynine Palms. Top of east complex on northwest end
643
Comment
VVC2171
Arnica chamissonis
Tim Thomas, PJ MacKay, D Clendenen
2009-7-4
4799
San Bernardino
San Bernardino Mtns, Bluff Lake
2317
Comment
CAS-BOT-BC82365
Arnica cordifolia
J. H. Thomas
1954-5-13
4130
Siskiyou
Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville,
1066
Comment
CAS-BOT-BC84988
Artemisia biennis
J. H. Thomas
1959-8-27
8103
Santa Clara
Near Highway No. 101 and Metcalf Road. About 1.5 miles northwest of Coyote. Santa Clara Valley.
76
Comment
CAS-BOT-BC90230
Artemisia californica
J. H. Thomas
1950-9-23
2368
Santa Cruz
About 1.1 miles NW of Big Basin turnoff along California State Highway #9
Comment
RSA177002
Artemisia californica
John H. Thomas
1964-11-29
10538
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of palo Alto. E end of Searsville Dam
Comment
CAS-BOT-BC90550
Artemisia dracunculus
J. H. Thomas
1949-10-30
1208
Monterey
Santa Lucia Mountains, Los Padres National Forest. Vicinity of China Camp, between Jamesburg and Tassajara [Hotsprings]
1524
Comment
CAS-BOT-BC90864
Artemisia pycnocephala
John H. Thomas
1969-9-21
15473
Sonoma
near mouth of Russian River
Comment
VVC3095
Artemisia rothrockii
Tim Thomas, PJ MacKay
2007-8-13
4209
Inyo
Southern High Sierra, Cottonwood Lakes Basin Watershed. 0.6 mi up South Fork from main tr.
3114
Comment
UC1119431
Artemisia spiciformis
W. D. Thomas
1935-9-12
470
Mariposa
1/2 mi w Ireland Lake; Yosemite National Park, Mt. Lyell Quadrangle
3169
Comment
CAS-BOT-BC400576
Asarum caudatum
J. H. Thomas
1965-4-20
10574
Santa Cruz
Along Fall Creek 1-1 1/2 miles west of Felton
91
Comment
UCSB68120
Asclepias
Kathryn Thomas, Wayne Ferren, Ivana Noel
1993-6-8
SR- 289
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Upper Figueroa Creek
365
Comment
JROH4578
Asparagus officinalis subsp. officinalis
John Hunter Thomas
1991-11-21
25100
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing of San Francisquito Creek
Comment
CAS-BOT-BC65932
Aspidotis densa
John H. Thomas
1966-3-19
11494
Del Norte
Near highway 119 between Crescent City and Gasquet about 4-5 miles west of Gasquet near Myrtle Creek
Comment
CAS-BOT-BC99247
Aster
John H. Thomas
1961-9-15
9788
Tuolumne
Between Sonora Pass and the Dardanelles along Highway 108
2590
Comment
VVC2174
Aster ascendens
Tim Thomas, PJ MacKay, D Clendenen
2009-7-4
4802
San Bernardino
San Bernardino Mtns, Bluff Lake
2317
Comment
RSA126378
Aster chilensis
John H. Thomas
1959-11-26
8515
Santa Clara
Page Mill Road, about 4 miles southward from Palo Alto near Frenchman's Tower
Comment
VVC1987
Aster occidentalis
Tim Thomas, Pam MacKay, Dave Clendenen
2008-8-30
4567
San Bernardino
San Bernardino Mtns., Bluff Lake.
2311
Comment
CAS-BOT-BC477879
Asteraceae
John H. Thomas
1977-4-24
18541
San Benito
Pinnacles National Monument. Near Scout Peak, along trail to Bear Gulch Reservoir
762
Comment
CAS-BOT-BC478072
Asteraceae
John H. Thomas
1970-4-15
15547
Merced
About 11 miles northeast of Gustine along highway 140 near Bridge 39-91 over slough near San Joaquin River
Comment
VVC1739
Astragalus albens
Tim Thomas, PJ MacKay
2008-5-26
4488
San Bernardino
San Bernardino Mtns., Specialty Minerals quarry - near shade house
1341
Comment
YM-YOSE59724
Astragalus bolanderi
W. D. Thomas
1935-10-5
550
Mariposa
PORCUPINE FLAT
1859
Comment
VVC2845
Astragalus didymocarpus var. dispermus
Tim Thomas
2014-4-13
6262
Kern
Mojave Desert, 5 miles south of Cantil.
652
Comment
CAS-BOT-BC186783
Astragalus gambelianus
John H. Thomas
1973-4-28
16706
Santa Clara
Mount Hamilton Range. About 1 mile due west of Mount Hamilton Observatory and about 12.5 miles east of the center of San Jose
914
Comment
CAS-BOT-BC186785
Astragalus gambelianus
John H. Thomas
1965-5-15
10654
Santa Clara
Mount Hamilton Range. About 1 mile due west of Mount Hamilton Observatory and about 12.5 miles east of the center of San Jose
914
Comment
CAS-BOT-BC186811
Astragalus gambelianus
John H. Thomas
1961-4-2
9048
Santa Clara
Stanford University. Hills to the south of Junipero Serra Blvd.
Comment
CAS-BOT-BC186828
Astragalus gambelianus
John H. Thomas
1981-4-20
20430
Sutter
Sutter Buttes. Huff Canyon - North Butte area
304
Comment
JROH1996
Astragalus gambelianus
John Hunter Thomas
1984-4-2
23273 3 C
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Westridge fence
Comment
JROH1988
Astragalus gambelianus
John H. Thomas
1961-4-4
9044 E
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge
Comment
VVC2470
Astragalus insularis var. harwoodii
Tim Thomas
2013-3-18
5930
Riverside
Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor.
145
Comment
VVC2860
Astragalus leucolobus
Tim Thomas
2014-4-30
6273
San Bernardino
San Bernardino Mtns., East of Mitsubishi Mine 0.5 mi east of Hwy 18 on FS 3N36.
1488
Comment Read comments Nov 8 2018
CAS-BOT-BC192772
Astragalus palmeri
J. H. Thomas
1949-4-20
345
San Diego
Sentenac Canyon, about 7 miles east of Banner
Comment
CAS-BOT-BC193094
Astragalus pycnostachyus var. pycnostachyus
J. H. Thomas
1958-8-1
7372
San Mateo
Just north of mouth of San Gregorio Creek
30
Comment
UC569442
Athyrium distentifolium var. americanum
W. D. Thomas
1935-9-15
496
Mariposa
Emeric Lake; Mt. Lyell Quadrangle
2895
Comment
CAS-BOT-BC17496
Athysanus pusillus
John H. Thomas
1966-3-21
11523 a
Lake
About 4 miles south of Lower Lake as measured along highway 29.
426
Comment
CAS-BOT-BC17555
Athysanus pusillus
John H. Thomas
1978-4-23
19120
San Benito
Pinnacles National Monument. High Peaks, Condor Gulch, Bear Gulch trail loop.
762
Comment
CAS-BOT-BC17612
Athysanus pusillus
John H. Thomas
1967-3-31
12455
Tulare
Just north of Tulare-Kern County line along Fairview-Kernville road, abour 4-5 miles north of Kernville.
Comment
RSA137304
Atriplex californica
John H. Thomas
1950-6-10
1962
Monterey
Sand dunes along the coast just south of Moss Landing.
Comment
RSA181337
Atriplex semibaccata
John H. Thomas
1965-12-19
11462
Santa Clara
Vicinity of yacht harbor, Palo Alto.
Comment
RSA187397
Atriplex subspicata
John H. Thomas
1950-9-24
2406
Santa Cruz
Between Watsonville Slough and Pacific Ocean near mouth of Pajaro River and Palm Springs Speedway.
Comment
CAS-BOT-BC146143
Avena barbata
John H. Thomas
1954-5-26
4222
Santa Cruz
Northern end of Hilton Airport, between airstrip and Highway.
243
Comment
CAS-BOT-BC146145
Avena barbata
J. H. Thomas
1950-4-15
1544 a
Santa Cruz
Along Pajaro River, just inside of county line in southeast corner of county.
30
Comment
CAS-BOT-BC145724
Avena fatua
J. H. Thomas
1954-4-10
3894
Santa Cruz
Northern end of Hilton Airport between highway and airstrip.
243
Comment
CAS-BOT-BC145981
Avena fatua
Hazelle A. Thomas; John H. Thomas
1955-5-14
5054
Santa Clara
Mount Hamilton Range. One mile due west of Mount Hamilton summit. About 12.5 miles est of the center of San Jose.
914
Comment
CAS-BOT-BC145982
Avena fatua
J. H. Thomas
1955-4-27
4923
Santa Clara
Stanford Unversity Campus. Between Weeping Angel and Palm Drive.
Comment
CAS-BOT-BC98630
Baccharis douglasii
J. H. Thomas
1960-9-11
8894
Santa Clara
Stanford University Campus - oval in front of Quad.
Comment
CAS-BOT-BC98645
Baccharis douglasii
J. H. Thomas
1954-8-12
4569
Santa Cruz
Near railroad tracks at Rincon, about 4 miles north of Santa Cruz
60
Comment
GH3853
Baccharis emoryi
C. H. Thomas
Unknown
Fort Yuma
Comment
JROH532
Baccharis glutinosa
John H. Thomas
1964-10-2
10513
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam along stream
Comment
JROH537
Baccharis glutinosa
John Hunter Thomas
1979-9-9
19731
San Mateo
Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake
Comment
JROH538
Baccharis glutinosa
John Hunter Thomas
1979-9-9
19731
San Mateo
Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake
Comment
JROH539
Baccharis glutinosa
John Hunter Thomas
1981-9-24
20751
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC99462
Baccharis pilularis
John H. Thomas
1955-4-6
4880
San Francisco
North peak, Twin Peaks
274
Comment
CAS-BOT-BC16630
Barbarea orthoceras
John H. Thomas
1965-4-29
10617
San Mateo
San Bruno Mountain in northern part of county.
396
Comment
CAS-BOT-BC16665
Barbarea orthoceras
J. H. Thomas
1953-3-8
2860
Santa Cruz
Near Forest Service Ranger Statoin at Burrell.
Comment
RSA195575
Barbarea orthoceras
John H. Thomas
1956-5-2
5697
Santa Clara
Monte Bello Ridge, about 5 miles south of Los Altos. Vineyard and an abandoned road bordered by chaparral and broad-leaved evergreen forest.
793
Comment
RSA176868
Bassia hyssopifolia
John H. Thomas
1964-9-8
10475
Mono
Shore of mono lake near marina on the west side of the lake near Hwy 395
1982
Comment
JROH3913
Bellardia trixago
John H. Thomas
1969-5-16
15047
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3915
Bellardia trixago
John H. Thomas
1974-5-19
17382
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near low flow crossing
Comment
RSA152071
Bellardia trixago
John H. Thomas
1961-5-5
9223
San Mateo
Along Sandhill road about 3.5 miles westward from Stanford Univ.
91
Comment
RSA262232
Bellardia trixago
John H. Thomas
1973-4-27
16695
Santa Clara
West of Junipero Serra near Stanford Ave. Stanford Univ. Campus.
30
Comment
RSA126310
Bellis perennis
John H. Thomas
1953-10-17
3611
Santa Cruz
Pasatiempo Golf Course between Scott Valley and Santa Cruz.
Comment
CAS-BOT-BC100194
Bellis perennis
John H. Thomas
1974-5-7
17326
San Mateo
San Bruno Mountain. Along Guadalupe Parkway opposite school
Comment
CAS-BOT-BC100198
Bellis perennis
J. H. Thomas
1949-5-14
523
Santa Clara
Nat. Hist. Mus., Stanford Univ. Campus
Comment
CAS-BOT-BC106356
Bellis perennis
John H. Thomas
1966-3-19
11489
Humboldt
Near the M.G. Goethe Grove in Prairie Creek Redwoods State Park near highway 101. Between Eureka and Crescent City.
Comment
RSA187521
Bellis perennis
John H. Thomas
1966-3-19
11489
Humboldt
Near the M. G. Goethe Grove in Prairie Creek Redwoods State Park near Highway 101, between Eureka and Crescent city.
Comment
CAS-BOT-BC75856
Berberis pinnata
John H. Thomas
1955-4-6
4881
San Francisco
San Francisco. North Peak, Twin Peaks.
274
Comment
RSA136186
Beta vulgaris
John H. Thomas
1950-4-16
1579
Santa Cruz
Near mouth of Pajaro River between Watsonville Slough and Pacific Ocean, near Palm Beach Speedway.
Comment
RSA140621
Beta vulgaris
John H. Thomas
1960-6-25
8796
San Mateo
Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street. alt. below 25 feet.
8
Comment
JEPS21653
Bidens pilosa
J. H. Thomas
1957-11-13
6971
Los Angeles
near Colorado St. and Lake Ave. (Pasadena); Pasadena
Comment
CHSC475
Boechera californica
E. Thomas
1940-4-6
Los Angeles
Claremont.
Comment
RSA0013293
Boechera retrofracta
Tim Thomas
2010-7-7
5230
Inyo
Southern High Sierra: Cottonwood Lakes Basin; E base Mesa.
3152
Comment
CAS-BOT-BC25949
Boechera tularensis
H. A. Thomas; J. H. Thomas
1955-9-9
5418
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek.
3048
Comment
CAS-BOT-BC478484
Boisduvalia
John H. Thomas
1956-6-24
6025
Santa Cruz
Northern end of Hilton Airport, open area between highway and airstrip.
243
Comment
CAS-BOT-BC31077
Bolboschoenus maritimus
John H. Thomas
1966-5-13
11611
Santa Clara
Along ditch near Stanford Avenue and El Camino. Palo Alto.
Comment
JROH4855
Brachypodium distachyon
John Hunter Thomas
1988-6-2
24509
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4861
Brachypodium distachyon
John Hunter Thomas
1990-5-17
24859
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC36794
Brassica rapa
John H. Thomas
1965-4-29
10605
San Mateo
San Bruno Mountain in northern part of county.
396
Comment
CAS-BOT-BC36812
Brassica rapa
John Hunter Thomas
1955-4-2
4747
Santa Clara
Near intersection of Middlefield and Charleston Roads, Palo Alto.
7
Comment
CAS-BOT-BC36821
Brassica rapa
John H. Thomas
1950-3-5
1285
Santa Cruz
Between Corralitos and Pinto Lake, along East Corralitos Road. About 5 miles north of Watsonville.
Comment
CAS-BOT-BC36811
Brassica rapa
J. H. Thomas
1955-3-17
4676
Santa Clara
Stanford University near Museum.
Comment
VVC3089
Brickellia californica
Tim Thomas, P. J. MacKay
2015-10-27
6920
San Bernardino
San Gabriel Mtns, Along Hwy 2 at west end of Blue Ridge.
2238
Comment
CAS-BOT-BC145486
Briza maxima
J. H. Thomas
1953-5-23
3207
Santa Cruz
About 1 mile south of summit of Santa Cruz - Los Gatos Highway, State Highway #17.
518
Comment
JROH4872
Briza maxima
John Hunter Thomas
1988-6-1
24492
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Grassy area below dam.
Comment
UCD57274
Briza maxima
J. H. Thomas
1953-5-23
3207
Santa Cruz
About 1 mile south of summit of Santa Cruz-Los Gatos Highway. State Highway 17.
518
Comment
CAS-BOT-BC145395
Briza minor
Hazelle A. Thomas; John H. Thomas
1955-6-25
629
Mendocino
Along Fort Bragg-Willitts Road. Near Old Camp 19, between Whiskey Springs Fire Camp and Dunlap, 11.5 miles inland from the coast.
91
Comment
JROH4882
Briza minor
John H. Thomas
1968-4-19
14298
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCD57383
Briza minor
J. H. Thomas
1954-5-7
4109
Santa Cruz
Northern end of Hilton Airport. Between airstrip and highway.
243
Comment
CAS-BOT-BC145320
Briza minor
J. H. Thomas
1957-12-28
6973
Santa Clara
Stanford University Campus. Growing near Wilbur Hall.
Comment
CAS-BOT-BC486446
Brodiaea terrestris subsp. terrestris
J. H. Thomas
1954-4-30
4053
Santa Cruz
Northern end of Hilton Airport between airstrip and highway
243
Comment
JROH4588
Brodiaea terrestris subsp. terrestris
John H. Thomas
1956-4-7
5624
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent slopes
Comment
CAS-BOT-BC483168
Brodiaea terrestris subsp. terrestris
John H. Thomas
1971-5-2
15808
San Mateo
Near intersection of Canada and Edgewater Roads, about 4 miles SW of center of Redwood City
304
Comment
CAS-BOT-BC144118
Bromus
John H. Thomas
1975-4-27
17807
San Benito
Pinnacles National Monument. Pinnacels Loop Trail.
762
Comment
RSA195508
Bromus carinatus
John H. Thomas
1966-4-13
11558
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto.
Comment
CAS-BOT-BC149088
Bromus carinatus var. carinatus
John H. Thomas
1976-6-16
18343
Sonoma
Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala.
30
Comment
JROH4892
Bromus carinatus var. carinatus
John Hunter Thomas
1966-4-13
11558
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC148415
Bromus carinatus var. marginatus
John H. Thomas
1961-7-19
9610
Tuolumne
Yosemite National Park. Vicinity of Camp White Wolf.
2438
Comment
CAS-BOT-BC156159
Bromus catharticus
J. H. Thomas
1961-3-22
8978
Santa Clara
San Jose. Near intersection of 3rd Street and East San Fernando.
Comment
JROH4907
Bromus catharticus var. catharticus
John Thomas
1989-5-9
24726
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near Causeway Bridge between the two parts of the Lake
Comment
CAS-BOT-BC155683
Bromus diandrus
J. H. Thomas
1953-5-2
3099 A
Santa Cruz
Sunset Beach State Park.
6
Comment
CAS-BOT-BC155685
Bromus diandrus
John H. Thomas
1950-5-6
1786
Santa Cruz
Old Vineyard on north side of Boulder Creek Canyon, about 1 mile up Boulder Creek Highway from Boulder Creek.
198
Comment
RSA187532
Bromus diandrus
John H. Thomas
1950-5-6
1786
Santa Cruz
Old vineyard on north side of Boulder creek Canyon, about 1 mile up Boulder Creek Highway from Boulder Creek.
198
Comment
CAS-BOT-BC155095
Bromus hordeaceus
John H. Thomas
1973-4-23
16662
San Benito
Pinnacles National Monument. Foot trail and upper part of Chalone Creek Trail.
762
Comment
CAS-BOT-BC155164
Bromus hordeaceus
John H. Thomas
1961-3-22
9020
Santa Clara
At Edenvale, about 5 miles southeast of San Jose.
91
Comment
CAS-BOT-BC155168
Bromus hordeaceus
John H. Thomas
1960-5-10
8665
Santa Clara
Mount Hamilton Range. One mile due west of summit of Mount Hamilton, about 12.5 miles east of center of San Jose.
914
Comment
CAS-BOT-BC155184
Bromus hordeaceus
J. H. Thomas
1954-4-30
4062
Santa Cruz
Northern end of Hilton Airport, between airstrip and highway.
243
Comment
CAS-BOT-BC155188
Bromus hordeaceus
J. H. Thomas
1954-5-26
4223 B
Santa Cruz
Northern end of Hilton Airport, between airstrip and highway.
243
Comment
CAS-BOT-BC155224
Bromus hordeaceus
J. H. Thomas
1953-5-23
3203
Santa Cruz
Saint Mary of the Palms, summer girl's camp near Glenwood.
304
Comment
JROH4923
Bromus hordeaceus
John H. Thomas
1978-5-16
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC1190046
Bromus hordeaceus
John H. Thomas
1950-4-16
1575
Santa Cruz
Watson Slough, at bridge to Palm Beach Watson Slough
Comment
CAS-BOT-BC155259
Bromus hordeaceus
John H. Thomas
1961-5-21
9421
Tuolumne
Below Longbarn, about 15 miles northeast of Sonora near Highway 108.
1524
Comment
VVC1665
Bromus inermis
Tim Thomas, PJ MacKay
2003-7-4
2962
San Bernardino
San Bernardino Mtns, Fish Creek Meadow.
2409
Comment
JROH4936
Bromus laevipes
John Hunter Thomas
1989-6-13
24769
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA594922
Bromus pseudolaevipes
John H. Thomas
1961-5-23
9450
Santa Clara
along Page Mill Road, about 4 miles from Los Altos.
610
Comment
CAS-BOT-BC161747
Bromus rubens
John H. Thomas
1965-4-29
10626
San Mateo
San Bruno Mountains in northern part of county.
396
Comment
CAS-BOT-BC161568
Bromus suksdorfii
H. A. Thomas; J. H. Thomas
1955-9-13
5482
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Between lowest and 2nd group of lakes in 4th Recess.
3291
Comment
UC1190013
Bromus tectorum
John H. Thomas
1959-3-25
7614
Kern
Randsburg
1066
Comment
CAS-BOT-BC233706
Buddleja davidii
J. H. Thomas
1958-6-26
7288
San Mateo
3 miles north of Woodside along Canada Road
152
Comment
CAS-BOT-BC36949
Cakile maritima var. maritima
John H. Thomas
1963-5-20
10116
San Mateo
Ano Nuevo Island about one half mile off shore and about 20 mile northwest of Santa Cruz.
Comment
RSA133319
Cakile maritima var. maritima
John H. Thomas
1958-6-26
7259
San Francisco
Vacant lot at intersection of Davidson Ave. and 3rd St.
0
Comment
UC1142974
Calamagrostis canadensis
W. D. Thomas
1935-9-15
495
Mariposa
near Emeric Lake; Yosemite National Park, Mount Lyell
2895
Comment
CAS-BOT-BC185300
Calamagrostis muiriana
John H. Thomas
1961-9-9
9747
Inyo
Sierra Nevada. Mono Mesa, near the junction of Mono, Inyo, and Fresno counties.
3718
Comment
CAS-BOT-BC185434
Calamagrostis muiriana
H. A. Thomas; J. H. Thomas
1954-9-13
4630
Fresno
Sierra Nevada. Vicinty of Mono Pass, Pioneer Basin, Fourth Recess, and adjacent Mono Creek.
3657
Comment
VVC3178
Calamagrostis muiriana
Tim Thomas
2013-7-10
6124
Inyo
Southern High Sierra, Cottonwood Lakes Basin, above High Lake
3534
Comment
CAS-BOT-BC233937
Calandrinia breweri
J. H. Thomas
1965-4-26
10586
Santa Clara
Palo Alto Regional Park off Page Mill Road, along Nature Trail.
Comment
CAS-BOT-BC438610
Calandrinia ciliata
John H. Thomas
1976-6-15
18281
Sonoma
Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala.
30
Comment
CAS-BOT-BC438539
Calandrinia ciliata
John H. Thomas
1974-4-11
17128
San Mateo
To the SE of Canada Road and Edgewood Road. NW of Woodside.
152
Comment
CAS-BOT-BC438560
Calandrinia ciliata
John H. Thomas
1949-4-7
242
Santa Clara
Stanford University Campus, near Natural History Museum (Museum Building).
Comment
JROH1636
Callitriche marginata
John H. Thomas
1970-4-4
15544
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA127086
Callitriche marginata
John H. Thomas
1959-4-4
7646
Santa Cruz
Northern end of Hilton Airport, about 3 miles NW of Boulder Creek.
244
Comment
VVC2628
Callitriche verna
Tim Thomas, J. Mac
2006-7-12
3925
Inyo
Southern High Sierra, Cottonwood Lakes Basin; Lower ridge of east Wooly Back.
3341
Comment
VVC2629
Callitriche verna
Tim Thomas, PJ MacKay
2004-7-8
3448
Inyo
Southern High Sierra, Cottonwood Lakes Basin; eastern ridge of Woolyback, in castleated landscape.
3585
Comment
CAS-BOT-BC85733
Calocedrus decurrens
H. A. Thomas; J. H. Thomas
1954-7-27
4558
Siskiyou
Salmon - Trinity Mts. about 6 miles SE of Cecilville. Between Mt. Veiw Cabin and S. Fork of Salmon River.
944
Comment
JROH4596
Calochortus albus
John H. Thomas
1963-5-12
10085
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4602
Calochortus albus
John H. Thomas
1973-5-5
16760
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC483224
Calochortus albus
J. H. Thomas
1949-5-21
551
Santa Clara
About 2 miles up Page Mill Road from mill, Stanford
Comment
JROH4628
Calochortus argillosus
John Hunter Thomas
1980-6-5
19994
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC490166
Calochortus leichtlinii
Hazelle A. Thomas; John
1956-7-21
6093
Placer
Siera Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento
2377
Comment
JROH4633
Calochortus luteus
John H. Thomas
1973-6-10
16817
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4635
Calochortus luteus
John H. Thomas
1975-6-5
17941
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near shack on serpentine and non-serpentine soils
Comment
CAS-BOT-BC491988
Calochortus luteus
J. H. Thomas
1960-6-1
8770
San Mateo
Dry road bank between Stanford and Searsville along Sand Hill Road.
Comment
RSA140632
Calochortus luteus
John H. Thomas
1960-6-1
8770
San Mateo
Between Stanford and Searsville along Sand Hill Road
Comment
CAS-BOT-BC494020
Calochortus tolmiei
J. H. Thomas
1954-5-12
4121
Siskiyou
Salmon Mountains, klamath National Forest. Near south Fork of Salmon River, 5 to 9 miles southeast of Cecilville
975
Comment
JROH574
Calycadenia multiglandulosa
John Hunter Thomas
1987-6-7
24335
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC215795
Calystegia macrostegia subsp. intermedia
John H. Thomas
1957-4-27
6713
Los Angeles
Coast hills, west side of mouth of Latigo Canyon, about 3 miles northwest of Pt. Dume, 15 miles due west of Santa Monica, Santa Monica Mountains
152
Comment
UCSB68207
Calystegia macrostegia subsp. intermedia
Thomas, Kathryn; Ferren, Wayne
1993-4-20
Santa Barbara
Southern foothills of the San Rafael Range, Sedgwick Reserve; on ridge over east vernal pool valley
490
Comment
RSA166303
Calystegia purpurata
John H. Thomas
1954-4-23
3983
Santa Cruz
Vicinity of Burrell.
640
Comment
JROH1840
Calystegia purpurata subsp. purpurata
John H. Thomas
1969-6-4
15112
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1844
Calystegia subacaulis subsp. subacaulis
John H. Thomas
1957-4-16
6652 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
VVC2552
Camissonia boothii subsp. boothii
Tim Thomas, PJ MacKay
2007-8-14
4240
Inyo
Eastern Sierra, Horseshoe Mdw Rd.
2220
Comment
RSA176720
Camissonia claviformis subsp. lancifolia
John H. Thomas
1961-9-14
9774
Mono
3.5 miles up Rock Creek from Tom s Place
2439
Comment
RSA165922
Camissonia hirtella
John H. Thomas
1950-5-6
1780
Santa Cruz
Old vineyard on opposite side of Boulder Creek from Hesse Brook, about 1 mile up Boulder Creek from town of Boulder Creek.
Comment
UCR73651
Camissonia hirtella
Alan Thomas
1985-4-19
7
San Diego
Mission Gorge, c. 2.6 km SW of Old Mission Dam
200
Comment
CAS-BOT-BC160329
Camissoniopsis cheiranthifolia subsp. cheiranthifolia
John H. Thomas
1963-5-20
10108
San Mateo
Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz
Comment
CAS-BOT-BC160354
Camissoniopsis cheiranthifolia subsp. cheiranthifolia
J. H. Thomas
1953-2-8
2773
Santa Cruz
Coastal sand dunes just south of mouth of Waddell Creek in northwestern part of Santa Cruz County
Comment
JROH2995
Camissoniopsis micrantha
John H. Thomas
1972-4-9
16065 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC37176
Capsella bursa-pastoris
J. H. Thomas
1949-3-17
72
Santa Clara
Stanford University Campus. Near Lake Lagunita.
Comment
JROH1476
Capsella bursa-pastoris
John Hunter Thomas
1983-4-5
21324
San Mateo
Jasper Ridge Biological Preserve, Stanford University; low-flow crossing
Comment
JROH1478
Capsella bursa-pastoris
John Hunter Thomas
1987-4-4
24168
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam
Comment
RSA187412
Capsella bursa-pastoris
John H. Thomas
1965-4-29
10601
San Mateo
San Bruno Mountain in northern part of county.
305
Comment
CAS-BOT-BC37178
Capsella bursa-pastoris
J. H. Thomas
1959-3-9
7524
Santa Clara
Knoche Field near Civic Center, San Jose, bounded by Guadalupe Creek, Rosa Street, Asbury Street and San Pedro Street.
Comment
VVC2643
Cardamine breweri
Tim Thomas
1980-7-27
276
Inyo
Southern High Sierra Nevada, Cottonwood Lakes Basin. East ridge of Wooly Back.
3372
Comment
CAS-BOT-BC37412
Cardamine californica
John H. Thomas
1966-3-19
11495
Del Norte
Near highway 119 between Crescent City and Gasquet about 4-5 miles west of Gasquet near Myrtle Creek.
Comment
CAS-BOT-BC37634
Cardamine californica
John H. Thomas
1955-4-6
4855
San Francisco
North peak, Twin Peaks.
274
Comment
CAS-BOT-BC37671
Cardamine californica
J. H. Thomas
1949-3-29
186
San Mateo
Kings Mountain Road.
Comment
CAS-BOT-BC37731
Cardamine californica
John H. Thomas
1951-1-28
2521
Santa Cruz
Bear Creek Road, 5 miles from Boulder Creek.
Comment
CAS-BOT-BC37748
Cardamine californica
J. H. Thomas
1954-5-13
4140
Siskiyou
Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River 5 to 9 miles southeast of Cecilville.
1066
Comment
JROH1486
Cardamine californica
John Hunter Thomas
1987-4-7
24176
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA132371
Cardamine californica var. integrifolia
John H. Thomas
1954-1-30
3662
Santa Cruz
1.5 miles directly SW of Saratoga Summit Fire Station, near California State Hwy 9.
671
Comment
CAS-BOT-BC37933
Cardamine oligosperma
Hazelle A. Thomas; John H. Thomas
1955-6-25
628
Mendocino
Along Fort Bragg-Willits Road. Near Old Camp 19, between Whiskey Springs Fire Camp and Dunlap.
91
Comment
CAS-BOT-BC38020
Cardamine oligosperma
J. H. Thomas
1954-3-5
3762
Santa Cruz
Northern end of Hilton Airport between Highway and airstrip.
243
Comment
JROH1496
Cardamine oligosperma
John Hunter Thomas
1981-4-5
20261
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam
Comment
JROH1498
Cardamine oligosperma
John Hunter Thomas
1983-4-5
21322
San Mateo
Jasper Ridge Biological Preserve, Stanford University; low-flow crossing
Comment
CAS-BOT-BC281745
Carduus pycnocephalus
John H. Thomas
1958-6-26
7277
San Francisco
At intersection of Davidson Ave and 3rd St near sea level
Comment
JROH581
Carduus pycnocephalus subsp. pycnocephalus
John Hunter Thomas
1981-5-8
20567 B
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC281844
Carduus tenuiflorus
John H. Thomas
1961-5-17
9398
Santa Clara
At edge of Stevens Creek Reservoir, about 7 miles S of Mountain View
182
Comment
RSA187476
Carduus tenuiflorus
John H. Thomas
1950-4-29
1700
Santa Cruz
Near San Mateo - Santa Cruz county line
Comment
CAS-BOT-BC18271
Carex
John H. Thomas
1961-9-9
9744
Inyo
Sierra Nevada. Mono Mesa, near the junction of Mono, Inyo and Fresno Counties.
3718
Comment
CAS-BOT-BC18440
Carex
John H. Thomas
1961-5-27
9456
Tuolumne
Vicinty of the Darndanelles near the Sonora Pass Road between the Darndanelles Resort and Pigeon Flat.
1828
Comment
VVC1931
Carex
Tim Thomas, PJ MacKay, RT Hawke
2005-7-25
3856
San Bernardino
San Bernardino Mtns., Cienaga Seca.
2509
Comment
UC2031922
Carex abrupta
Tim Thomas
1987-8-19
1172
Inyo
Southern High Sierra Nevada: Cottonwood Lakes Basin Watershed. Golden Trout Camp.
Comment
RSA159424
Carex amplifolia
John H. Thomas
1961-5-14
9365
San Mateo
Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve.
152
Comment
JROH4312
Carex barbarae
John H. Thomas
1974-5-3
17240
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC19561
Carex bolanderi
H. A. Thomas; J. H. Thomas
1954-7-21
4416
Siskiyou
Salmon - Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek.
1158
Comment
CAS-BOT-BC34115
Carex breweri
John H. Thomas
1957-9-3
6934
Inyo
Sierra Nevada. Mono Mesa, near the junction of Mono, Inyo and Fresno Counties.
3718
Comment
RSA122760
Carex breweri
W. D. Thomas
1935-10-5
549
Mariposa
Porcupine Flat.
1860
Comment
UC1133333
Carex breweri
W. D. Thomas
1935-8-20
391
Tuolumne
Shepherds Crest, NW end
3566
Comment
UC1133337
Carex congdonii
W. D. Thomas
1935-8-20
378
Tuolumne
1 mi ne Upper Young Lake; Yosemite National Park, Mt. Lyell Quadrangle
Comment
JROH4330
Carex densa
John H. Thomas
1967-6-1
12984
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC2031906
Carex douglasii
Tim Thomas
1996-7-6
1792
Inyo
Southern High Sierra Nevada: Cottonwood Lakes Basin, Golden Trout Camp vic spring box.
Comment
VVC2132
Carex douglasii
Tim Thomas, P. J. MacKay
2012-6-8
5645
San Bernardino
San Bernardino Mtns., Hwy 18 just between Cushenbury Grade and Cactus Flats
1768
Comment
JROH4339
Carex globosa
John Hunter Thomas
1983-4-5
21317
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Grassy draw along path to redwood area.
Comment
JROH4342
Carex globosa
John Hunter Thomas
1990-5-8
24851
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rock.
Comment
UCR261870
Carex globosa
Tim Thomas, George Ross II & III
2014-4-23
6269
San Luis Obispo
South Coast Range, Irish Hills, 0.2 miles below Glenrose Spring along Coon Creek
277
Comment
CAS-BOT-BC22195
Carex helleri
John H. Thomas
1957-9-3
6936
Inyo
Mono Mesa, near the junction of Mono, Inyo and Freson Counties. Sierra Nevada.
3718
Comment
UC1133380
Carex helleri
W. D. Thomas
1935-9-12
484
Tuolumne
1/2 mi s Ireland Lake; Yosemite National Park, Mt. Lyell Quadrangle
Comment
UC2031851
Carex heteroneura
Tim Thomas with P. J. MacKay
2003-7-14
2980
Inyo
Southern High Sierra: Cottonwood Lakes Basin: North Fork Windy Gap Stinger.
Comment
VVC1934
Carex heteroneura
Tim Thomas, PJ MacKay
2003-7-4
2960
San Bernardino
San Bernardino Mtns, Fish Creek Meadow.
2409
Comment
CAS-BOT-BC28055
Carex illota
John H. Thomas
1961-7-19
9632
Tuolumne
Yosemite National Park. Vicinity of Camp White Wolf.
2438
Comment
YM-YOSE59379
Carex luzulina
W. D. Thomas
1935-8-20
377
Tuolumne
1 MILE N UPPER YOUNG LAKE.
3139
Comment
UC2031896
Carex microptera
Tim Thomas with P. J. MacKay
2004-7-14
3482
Inyo
Southern High Sierra: Cottonwood Lakes Basin; DFG cabin pond.
Comment
UC2031900
Carex microptera
Tim Thomas
2008-7-25
4540
Inyo
Southern Sierra Nevada Mountains: Along Cottonwood Creek below vicinity of road crossing creek. Near the old pack station.
Comment
UC2031904
Carex microptera
Tim Thomas
2008-7-25
4539
Inyo
Southern Sierra Nevada Mountains: Along Cottonwood Creek below vicinity of road crossing creek. Near the old pack station.
Comment
CHSC7191
Carex multicaulis
Lynn R. Thomas
1969-4-17
77
Plumas
NW bank of Indian Creek, se edge of Calif. 89, near Indian Falls, 2 mi ne of intersection with Calif. 70.
944
Comment
CHSC116242
Carex scopulorum var. bracteosa
Tim Thomas; P. J. MacKay
2004-7-11
3466
Inyo
Southern High Sierra: Cottonwook Lakes Basin; Golden Trout Camp spring box drainage.
3110
Comment
UC2031846
Carex scopulorum var. bracteosa
Tim Thomas with P. J. MacKay
2002-7-4
2637
Inyo
Southern High Sierra: Cottonwood Lakes Basin; Jenny Lake.
Comment
UC2031855
Carex scopulorum var. bracteosa
Tim Thomas
1987-8-19
1180
Inyo
Southern Hight Sierra Nevada: Cottonwood Lakes Basin Watershed. Golden Trout Camp.
Comment
UC2031917
Carex scopulorum var. bracteosa
Tim Thomas with P. J. MacKay
2007-8-12
4177
Inyo
Southern High Sierra Nevada: Cottonwood Lakes Basin watershed. Just upstream from Horseshoe Meadows Road creek xing.
Comment
CAS-BOT-BC117484
Carex senta
John H. Thomas
1959-4-11
7678
Santa Clara
Along San Francisquito Creek near Junipero Serra. Ca 2 mi SW of Palo Alto
15
Comment
UC2031894
Carex spectabilis
Tim Thomas
1985-6-12
767
Inyo
Southern High Sierra: Cottonwood Lakes Basin; between Golden Trout Camp and waterfall.
Comment
CAS-BOT-BC116911
Carex subbracteata var. subbracteata
John H. Thomas
1961-4-14
9080 A
Santa Clara
Weeds in vacant lot along Junipero Serra Blvd. near Frenchman's Road,
60
Comment
UC2031913
Carex utriculata
Tim Thomas with P. J. MacKay
2012-7-13
5816
Inyo
Southern High Sierra: Cottonwood Lakes Basin, south side of Muir Lake.
Comment
CAS-BOT-BC115089
Carex vesicaria
John H. Thomas
1961-7-21
9639
Tuolumne
Ca. 2.5 mi NW of Camp White Wolf at Harden Lake. Yosemite National Park.
2286
Comment
CAS-BOT-BC230112
Carpobrotus chilensis
John H. Thomas
1963-5-20
10142
San Mateo
Ano [Ano] Nuevo Island, about 0.5 mile off shore and about 20 miles NW of Santa Cruz
Comment
CAS-BOT-BC230227
Carpobrotus edulis
John H. Thomas
1976-6-15
18302
Sonoma
S end of Sea Ranch, NW part of county, about 7 miles S of Gualala
30
Comment
CAS-BOT-BC384672
Caryophyllaceae
John H. Thomas
1973-4-23
16624
San Benito
Pinnacles National Monument. Rim Trail from Bear Gulch Reservoir to High Peaks Trail
502
Comment
CAS-BOT-BC249209
Castilleja affinis
John H. Thomas
1961-5-17
9395
Santa Clara
Monte Bello Ridge, about 5.5 miles south of center of Los Altos
487
Comment
CAS-BOT-BC249222
Castilleja affinis
John H. Thomas
1950-3-5
1272 A
Santa Cruz
Between Mt. Madona [Madonna] and Watsonville, about 2 miles south of Mt. Madona [Madonna]. Near intersection of Hazel Del Road and Mt. Madona [Madonna] Road
304
Comment
CAS-BOT-BC249227
Castilleja affinis
J. H. Thomas
1954-4-30
4033
Santa Cruz
On top of ridge between Scott and Mill Creek drainages, about 2.2 miles S - SW of Eagle Rock
518
Comment
RSA176603
Castilleja affinis
John H. Thomas
1961-5-17
9395
Santa Clara
Monte Bello Ridge, 5.5 miles S of center of Los Altos.
488
Comment
CAS-BOT-BC249240
Castilleja affinis
John H. Thomas
1981-4-20
20425
Sutter
Sutter Buttes. Huff Canyon - North Butte area
304
Comment
JROH3943
Castilleja affinis subsp. affinis
John H. Thomas
1976-5-26
18156
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3945
Castilleja affinis subsp. affinis
John Hunter Thomas
1978-4-20
19091
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3951
Castilleja affinis subsp. affinis
John Hunter Thomas
1983-4-28
21780
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JEPS82998
Castilleja angustifolia
John Thomas
1981-6-5
Mono
s of Mono Crators; Chidago Flat
2438
Comment
CAS-BOT-BC249454
Castilleja applegatei subsp. pallida
H. A. Thomas; J. H. Thomas
1955-9-13
5484
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Alt. 9,000-12,900 feet. Between lowest and 2nd group of lakes in 4th Recess. Altitude about 10000 to 10800 feet
3291
Comment
JROH3963
Castilleja attenuata
John Hunter Thomas
1978-4-28
19159
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam
Comment
VVC2942
Castilleja exserta
Tim Thomas, P. J. MacKay
2010-4-13
5068
San Bernardino
San Bernardino Mtns., Whitewater River; Catclaw Flats
1104
Comment
UC1032420
Castilleja linariifolia
W. D. Thomas
1935-7-9
160
Alpine
1.5 mi n Mogul; Mono National Forest, Markleeville Quad.
2468
Comment
CAS-BOT-BC243880
Castilleja mendocinensis
Hazelle A. Thomas; John H. Thomas
1955-6-25
645
Mendocino
Near mouth of Russian Gulch, 1.6 miles north of town of Mendocino
30
Comment
VVC2137
Castilleja miniata subsp. miniata
Tim Thomas, P. J. MacKay
2012-6-8
5653
San Bernardino
San Bernardino Mtns., Vicinity of the confluence of Heart Bar Creek and Coon Creek. FS 1N37.
2149
Comment
VVC3333
Castilleja nana
Tim Thomas
1989-7-26
1335
Inyo
Southern High Sierra Nevada, Cottonwood Lakes Basin Watershed. south of High Lk.
3468
Comment
VVC3283
Castilleja praeterita
Tim Thomas
1990-8-5
1410
Inyo
Southern High Sierra, Cottonwood Lakes Basin; vic Golden Trout Camp near spring box
3110
Comment
JROH4002
Castilleja rubicundula subsp. lithospermoides
John Hunter Thomas
1980-5-6
19930
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC195576
Catapodium rigidum
J. H. Thomas
1963-6-20
10177 A
Alameda
At 2802 Webster St., Berkeley
Comment
CAS-BOT-BC38199
Caulanthus anceps
John H. Thomas
1959-3-19
7552
Monterey
0.4 mile south of the Monterey-San Benito County line along Lonoak Road. About 13 miles northeast of King City.
304
Comment
CAS-BOT-BC39378
Caulanthus lasiophyllus
John H. Thomas
1961-5-7
9315
San Mateo
San Bruno Mountain in northern part of county.
396
Comment
CAS-BOT-BC39407
Caulanthus lasiophyllus
J. H. Thomas
1958-4-12
7079
Santa Clara
Near Page Mill Road, about 3.7 miles from Stanford University.
121
Comment
CAS-BOT-BC40277
Caulanthus lasiophyllus
John H. Thomas
1975-4-27
17823
San Benito
Pinnacles National Monument. Pinnacles Loop Trail.
762
Comment
CAS-BOT-BC40521
Caulanthus lasiophyllus
J. H. Thomas
1967-4-10
12600
Fresno
Jacalitos Hills, eastern margin of the Inner Coast Range, between Warthan and Jacalitos creeks.
304
Comment
JROH1523
Caulanthus lasiophyllus
John H. Thomas
1963-3-20
10024
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near poppy knoll
Comment
JROH1525
Caulanthus lasiophyllus
John H. Thomas
1968-5-22
14456
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC1070984
Ceanothus cordulatus
W. D. Thomas
1935-7-2
148
Alpine
Ebbet's Pass Markleeville quad, Stanislaus Nat. For.
2682
Comment
CAS-BOT-BC48356
Ceanothus cuneatus
John H. Thomas
1950-4-11
1523
Santa Cruz
Below Bielawski Lookout Station between Deer and Kings Creeks. Santa Cruz Mountains.
701
Comment
VVC3045
Ceanothus integerrimus
Tim Thomas, Matt Willis
2014-6-25
6395
Tulare
Southern Sierra Nevada Western Divide, Vicinity of Quaking Aspen Camp
2152
Comment
UC1236529
Ceanothus papillosus var. papillosus
J. H. Thomas
1953-5-10
3156
Santa Cruz
Foot of Blooms Grade, 3 mi NW of Boulder Creek.
243
Comment
UC1071252
Ceanothus parvifolius
W. D. Thomas
1935-10-24
557
Tuolumne
3 mi s Gin Flat; Yosemite National Park, Yosemite Quad.
Comment
VVC2878
Ceanothus perplexans
Tim Thomas, P. J. MacKay
2010-4-13
5058
San Bernardino
San Bernardino Mtns., Whitewater River; on slopes north of Catclaw Flats
1130
Comment
CAS-BOT-BC52231
Ceanothus thyrsiflorus
H. A. Thomas; J. H. Thomas
1955-6-26
701
Mendocino
Coastal bluffs about 1 mile South of Elk near State Highway 1
45
Comment
CAS-BOT-BC52322
Ceanothus thyrsiflorus
J. H. Thomas
1950-4-30
1729
Santa Cruz
Rancho del Oso. 0.2 mile south of mouth of Wadell Creek
Comment
CAS-BOT-BC52326
Ceanothus thyrsiflorus
John H. Thomas
1950-4-30
1755
Santa Cruz
Near Waddell Forks School, Waddell Creek Valley
Comment
UC1236531
Ceanothus thyrsiflorus
John H. Thomas
1950-4-30
1755
Santa Cruz
Near Waddell Forks School, Waddell Creek Valley
Comment
CAS-BOT-BC52754
Ceanothus vestitus
John H. Thomas
1960-9-16
8908
Inyo
Steep canyon leading into Saline Valley from the south.
1828
Comment
CAS-BOT-BC184979
Cenchrus pauciflorus
John H. Thomas
1977-7-14
18824
Fresno
Along Highway 41, between Fresno and Lemoore, 5.7 miles north of Kings county line. 18 miles south of center of Fresno.
76
Comment
JEPS21637
Centaurea calcitrapa
John H. Thomas
1955-4-6
4831
San Mateo
e facing slope of San Bruno Mountain, just n of South San Francisco San Bruno Mountain, South San Francisco
30
Comment
JROH586
Centaurea calcitrapa
John H. Thomas
1970-7-5
15671
San Mateo
Jasper Ridge Biological Preserve, Stanford University; by bridge
Comment
CAS-BOT-BC276955
Centaurea calcitrapa
J. H. Thomas
1955-6-10
5206
Santa Clara
Along Escondido Road, near Wilbur Hall, Stanford Campus
Comment
RSA176536
Centaurea melitensis
John H. Thomas
1963-6-23
10170
San Mateo
Jasper Ridge Biological Experimental Area, about 5 mi SW of Palo Alto. Along road at Westridge end of ridge
Comment
CAS-BOT-BC277230
Centaurea solstitialis
John H. Thomas
1958-3-19
7044
San Mateo
East facing slope of San Bruno Mountain, just north of South San Francisco
91
Comment
CAS-BOT-BC284486
Centaurea solstitialis
J. H. Thomas
1950-11-12
2497
Santa Cruz
About 1 mile north of Corralitos
Comment
CAS-BOT-BC271510
Centromadia parryi subsp. rudis
J. H. Thomas
1960-8-30
8859
Glenn
About 3 miles north of Glenn
Comment
CAS-BOT-BC279286
Centromadia pungens subsp. pungens
John H. Thomas
1958-6-26
7284
San Francisco
Vacant lot at intersection of Davidson Ave. and 3rd St.
Comment
CAS-BOT-BC388210
Cerastium fontanum subsp. vulgare
J. H. Thomas
1954-5-8
4117
Santa Clara
In front of Stanford University Museum
Comment
CAS-BOT-BC388406
Cerastium glomeratum
John H. Thomas
1970-5-15
15882
Santa Clara
Mount Hamilton Range. About 1 mile due west of Mount Hamilton Observatory and about 12.5 miles east of the center of San Jose
914
Comment
JROH1693
Cerastium glomeratum
John H. Thomas
1971-4-24
15772 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1695
Cerastium glomeratum
John H. Thomas
1975-4-18
17786
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH152
Ceratophyllum demersum
John Hunter Thomas
1981-7-12
20712
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC179385
Cercis occidentalis
John H. Thomas
1955-5-21
5156 A
Napa
Along State Hwy 128, about 4.5 miles south of Monticello.
167
Comment
CAS-BOT-BC140719
Cercocarpus betuloides
J. H. Thomas
1957-3-16
6512
Ventura
Along or near Little Sespe Creek, about 4 miles north of [Filmore] Fillmore
182
Comment
CAS-BOT-BC135439
Cercocarpus betuloides var. betuloides
John H. Thomas
1957-8-25
6846
Santa Cruz
Eagle Rock
731
Comment
UC1127836
Cercocarpus betuloides var. betuloides
W. D. Thomas
1935-8-2
193
Mono
1 mi sw of McKay Ranch (in Antelope Valley); Antelope Valley
1950
Comment
CAS-BOT-BC135548
Cercocarpus betuloides var. betuloides
John H. Thomas
1969-4-29
14999
Lake
4.6 miles north of Lower Lake along highway no. 53.
Comment
CAS-BOT-BC277384
Chaenactis glabriuscula var. glabriuscula
John H. Thomas
1957-5-3
6728
Los Angeles
North of Eagle Rock, about 3-4 miles east of Pasadena
304
Comment
RSA210920
Chaenactis glabriuscula var. heterocarpha
John H. Thomas
1969-4-29
15015
Lake
2.8 miles NE of Middleton
Comment
LA104161
Chamaebatia australis
T. Thomas;
1982-4-9
441
Los Angeles
Comment Read comments Mar 6 2022
CAS-BOT-BC85684
Chamaecyparis lawsoniana
John H. Thomas
1966-3-19
11497
Del Norte
About 1 mile northeast of Gasquet.
Comment
CAS-BOT-BC279783
Chamaemelum fuscatum
John H. Thomas
1966-3-18
11480
Sonoma
2 miles south of Asti as measured along the road along highway 101
Comment
VVC2110
Chamaesyce micromera
Tim Thomas, A. Karl
2012-9-7
5889
San Bernardino
Mojave Desert, Valley Mtn. 8.5 miles NE of Twentynine Palms. Top of east complex on NW end.
643
Comment
CAS-BOT-BC70020
Cheilanthes covillei
John H. Thomas
1967-3-22
7573
Los Angeles
San Gabriel Mts., Angeles National Forest, Sulphur Springs, about 18 miles NE of center of Pasadena
1219
Comment
RSA137306
Chenopodium berlandieri var. sinuatum
John H. Thomas
1953-10-17
3616
Santa Cruz
About 2 miles NW of Boulder Creek on Big Basin-Boulder Creek Hwy.
183
Comment
JROH1819
Chenopodium californicum
John H. Thomas
1966-4-29
11585
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA195571
Chenopodium californicum
John H. Thomas
1966-4-29
11585
San Mateo
Jasper Ridge Biological Experimental Area, 5 miles SW of Palo Alto.
Comment
CAS-BOT-BC451442
Chimaphila menziesii
J. H. Thomas
1954-5-14
4174
Siskiyou
Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles SE of Cecilville
1219
Comment
CAS-BOT-BC497747
Chlorogalum pomeridianum
John H. Thomas
1973-4-28
16732
Santa Clara
Mount Hamilton Range; about 1 mi due west of Mount Hamilton Observatory and about 12.5 mi east of the center of San Jose
914
Comment
CAS-BOT-BC178915
Chorizanthe
John H. Thomas
1965-5-15
10656 B
Santa Clara
Mount Hamilton Range. About 1 miles due W of Mount Hamilton Observatory and about 12.5 miles E of the center of San Jose
914
Comment
CAS-BOT-BC460896
Chorizanthe
John H. Thomas
1958-3-1
7041 G
Santa Cruz
Northern end of Hilton Airport, open area between highway and airstrip
243
Comment
CAS-BOT-BC178913
Chorizanthe
John H. Thomas
1980-4-27
19904
San Benito
Pinnacles National Monument. Between Reservoir and Crest Trail through the HIgh Pinnacles
Comment
CAS-BOT-BC191153
Chorizanthe diffusa
John H. Thomas
1953-6-14
3368
Santa Cruz
Bracken Brae, about 1.5 miles NW of Boulder Creek - BIg Basin Highway
365
Comment
CAS-BOT-BC191155
Chorizanthe diffusa
John H. Thomas
1956-6-24
6017
Santa Cruz
Eagle Rock
731
Comment
CAS-BOT-BC256970
Chorizanthe membranacea
John H. Thomas
1969-5-10
15041
Santa Clara
Mount Hamilton Range. About 1 mile due west of Mount Hamilton Observatory and about 12.5 miles east of the center of San Jose
914
Comment
CAS-BOT-BC257246
Chorizanthe pungens var. hartwegiana
John H. Thomas
1953-6-14
3376
Santa Cruz
Northern end of Hilton Airport, open area between highway and airstrip
243
Comment
CAS-BOT-BC257423
Chorizanthe pungens var. pungens
John H. Thomas
1950-4-16
1598
Santa Cruz
Between Pacific Ocean and Watsonville Slough near mouth of Pajaro River
Comment
CAS-BOT-BC246269
Chorizanthe robusta var. hartwegii
J. H. Thomas
1990-4-17
s.n.
Santa Cruz
Scotts Valley. Glenwood Estates. Base of low cliffs on western side of property
Comment
RSA195598
Chrysanthemum coronarium
John H. Thomas
1966-5-31
11653
Santa Cruz
Vacant lot at intersection of Franklin and Ocean Streets; Santa Cruz
Comment
CAS-BOT-BC36421
Chrysolepis chrysophylla var. minor
J. H. Thomas
1954-2-22
3724
Santa Cruz
Pine Mountain, Big Basin Rewoods State Park
670
Comment
CHSC1145
Chylismia claviformis subsp. aurantiaca
E. Thomas
1940-3-3
Imperial
Salton Sea.
-60
Comment
CAS-BOT-BC162850
Chylismia claviformis subsp. aurantiaca
J. H. Thomas
1949-4-23
442
San Bernardino
8 miles E. of Vidal Junction along Colorado River Aqueduct Road
Comment
JROH2586
Cicendia quadrangularis
John H. Thomas
1973-4-20
16579
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC285218
Cichorium intybus
J. H. Thomas
1960-8-29
8837
Napa
About 1 mile north of Calistoga along highway number 53
Comment
CAS-BOT-BC285319
Cirsium andersonii
John H. Thomas
1961-9-11
9764
Fresno
Sierra Nevada. Vicinity of Mono Pass, 4th Recess, Pioneer Basin, and upper Mono Creek. Along or near Mono Creek between 3rd and 4th Recesses
3931
Comment
CAS-BOT-BC285585
Cirsium occidentale var. occidentale
John H. Thomas
1973-6-29
16866
Santa Clara
Mount Hamilton Range. About 1 mile due west of Mount Hamilton Observatory and about 12.5 miles east of the center of San Jose
914
Comment
CAS-BOT-BC280290
Cirsium occidentale var. venustum
J. H. Thomas
1954-4-23
3947
Santa Clara
Near Loma Prieta Ridge Road
914
Comment
JROH632
Cirsium occidentale var. venustum
John H. Thomas
1963-6-23
10169
San Mateo
Jasper Ridge Biological Preserve, Stanford University; at Westridge end of ridge
Comment
CAS-BOT-BC280511
Cirsium quercetorum
J. H. Thomas
1958-6-11
7227
San Mateo
About 4.3 miles due east of Belmont near Crystal Springs Reservoir
91
Comment
VVC3134
Cirsium scariosum var. congdonii
Tim Thomas
1985-8-16
831
Inyo
Southern High Sierra, Cottonwood Lakes Basin, blw Lake 6.
3524
Comment
CAS-BOT-BC285880
Cirsium vulgare
John H. Thomas
1958-6-13
7241
Santa Clara
Near North Gate at Moffett Field near Mountain View
Comment
JROH637
Cirsium vulgare
John H. Thomas
1973-6-15
16841
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH639
Cirsium vulgare
John H. Thomas
1974-8-3
17499
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC285875
Cirsium vulgare
John H. Thomas
1958-8-16
7417
Santa Clara
Stanford University Campus. In front of Jordan Hall
Comment
JROH638
Cirsium vulgare
John H. Thomas
1974-6-30
17460
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA177073
Cirsium vulgare
John H. Thomas
1964-8-20
10461
Santa Clara
Stanford University, in front of Jordan Hall
Comment
CAS-BOT-BC438851
Cistanthe monandra
John H. Thomas
1957-3-30
6550
Riverside
8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert.
426
Comment
CAS-BOT-BC228797
Cistanthe umbellata
H. A. Thomas; J. H. Thomas
1955-9-10
5451
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess and adjacent Mono Creek. Along shore of Golden Lake
3931
Comment
CAS-BOT-BC162611
Clarkia
John H. Thomas
1973-6-29
16882
Santa Clara
About 1 mile due west of Mount Hamilton Observatory and about 12.5 miles east of the center of San Jose, Mount Hamilton Range
914
Comment
CAS-BOT-BC162612
Clarkia
John H. Thomas
1974-5-4
17278
Santa Clara
About 1 mile due west of Mount Hamilton Observatory and about 12.5 miles east of the center of San Jose, Mount Hamilton Range
914
Comment
RSA594913
Clarkia
John H. Thomas
1955-7-16
5258
Monterey
Santa Lucia Mountains: 4.7 miles E of Nacimiento Summit as measured along the road
503
Comment
CAS-BOT-BC162553
Clarkia affinis
J. H. Thomas
1953-6-13
3320
Santa Cruz
Mt. Charley Road, about 0.4 miles west of summit of Santa Cruz-Los Gatos Highway
594
Comment
CAS-BOT-BC162527
Clarkia affinis
John H. Thomas
1980-4-27
19900
San Benito
Pinnacles National Monument, between Reservoir and Crest Trail through the High Pinnacles
Comment
CAS-BOT-BC172190
Clarkia concinna
John H. Thomas
1961-6-3
9517
Santa Clara
Headwaters of Stevens Creek, about 9 miles south of Palo Alto
457
Comment
CAS-BOT-BC163390
Clarkia purpurea subsp. purpurea
John H. Thomas
1961-4-18
9145 C
Santa Clara
Mount Hamilton Range. About 1 mile due west of Mount Hamilton Observatory and about 12.5 miles east of the center of San Jose
914
Comment
CAS-BOT-BC164009
Clarkia purpurea subsp. quadrivulnera
John H. Thomas
1960-4-30
8625
Santa Clara
Mount Hamilton Range. One mile due west of summit of Mount Hamilton, about 12.5 miles east of center of San Jose
914
Comment
UCSB68272
Clarkia purpurea subsp. quadrivulnera
Thomas, Kathryn; Frye, K.
1993-5-8
Santa Barbara
southern foothills of the San Rafael Range; Sedgwick Reserve; near first gate, Long Valley on upper west slope
329
Comment
CAS-BOT-BC165196
Clarkia rubicunda
John H. Thomas
1953-7-14
3461
Santa Cruz
Northern end of Hilton Airport, open area between hgihway and airstrip
243
Comment
CAS-BOT-BC165208
Clarkia rubicunda
John H. Thomas
1953-7-29
3552
Santa Cruz
Near summit of Bloom's Grade
457
Comment
JROH3016
Clarkia rubicunda
John H. Thomas
1973-6-15
16850
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC165567
Clarkia unguiculata
John H. Thomas
1955-7-16
5257
Monterey
About 4.7 miles east of Nacimiento Summit as measured along the road
502
Comment
CAS-BOT-BC165646
Clarkia unguiculata
J. H. Thomas
1954-6-24
4299
Santa Clara
Stevens Creek near Fremont Avenue, about 3 miles SE of Los Altos
Comment
CHSC1115
Clarkia unguiculata
E. Thomas
1940-4-14
San Diego
Near Oceanside.
Comment
CSUSB248
Clarkia unguiculata
R. Thomasson
1973-6-1
Riverside
On Banks Street, adjacent to Fairmount Park in city of Riverside.
289
Comment
UCSB68304
Claytonia
Kathryn Thomas, Kathy Rindlaub
1993-3-7
SR- 47
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Transect B
624
Comment
CAS-BOT-BC439269
Claytonia exigua subsp. exigua
John H. Thomas
1973-4-23
16674
San Benito
Pinnacles National Monument. Foot Trail and upper part of Chalone Creek Trail.
762
Comment
RSA181241
Claytonia exigua subsp. exigua
John H. Thomas
1956-5-2
5699
Santa Clara
Monte Bello Ridge, about 5 miles south of Los Altos. Vineyard and an abandoned road bordered by chaparral and broad-leaved evergreen forest.
793
Comment
CAS-BOT-BC439384
Claytonia gypsophiloides
John H. Thomas
1961-3-22
9002
Santa Clara
At Edenvale, about 5 miles south-east of San Jose.
91
Comment
CAS-BOT-BC439611
Claytonia parviflora subsp. parviflora
John H. Thomas
1961-4-22
9170
Santa Clara
Mount Hamilton Range. Between Halls Valley and Smith Creek Ranger Station.
685
Comment
CAS-BOT-BC439614
Claytonia parviflora subsp. parviflora
J. H. Thomas
1954-4-10
3861
Santa Cruz
Ben Lomond Sand Hills near Quail Hollow Road.
228
Comment
CAS-BOT-BC439627
Claytonia parviflora subsp. parviflora
J. H. Thomas
1949-6-16
951
Siskiyou
1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest.
Comment
RSA159396
Claytonia perfoliata
John H. Thomas
1961-3-22
8981
Santa Clara
Serpentine hills at Edenvale, about 5 miles SE of San Jose.
91
Comment
CAS-BOT-BC439799
Claytonia perfoliata
John H. Thomas
1979-4-30
19520
San Benito
Pinnacles National Monument. Visitors' Center to intersection of Rim Trail and High Peaks Trail via Bear Gulch Reservoir.
Comment
CAS-BOT-BC439979
Claytonia perfoliata subsp. mexicana
J. H. Thomas
1958-5-13
7178
San Francisco
San Francisco. Western end of Golden Gate Park near the Sloop Gjoa. Area about sea level.
Comment
JROH3353
Claytonia perfoliata subsp. perfoliata
John Hunter Thomas
1988-4-6
24371
San Mateo
Jasper Ridge Biological Preserve, Stanford University; road near dam
Comment
RSA187559
Claytonia rubra
John H. Thomas
1955-4-8
4901
Santa Cruz
Sand hills E of Ben Lomond, near Quail Hollow Road.
152
Comment
RSA60492
Claytonia sibirica
John H. Thomas
1949-6-16
943
Siskiyou
1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest.
Comment
JROH3404
Clematis lasiantha
John H. Thomas
1956-4-7
5628
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3409
Clematis lasiantha
John H. Thomas
1966-4-29
11586
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3413
Clematis lasiantha
John H. Thomas
1973-3-12
16490
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2872
Clinopodium douglasii
John H. Thomas
1969-6-4
15110
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSB68261
Clinopodium mimuloides
Thomas, K.
1994-7-2
Santa Barbara
Southern foothills of the San Rafael Range, Sedgwick Reserve, upper Figueroa Creek
490
Comment
CAS-BOT-BC499723
Clintonia andrewsiana
J. H. Thomas
1950-4-9
1507
Santa Cruz
Along Lockhart Gulch Road, about 1/2 mi N of its intersection with Nelson Road; about 2.5 mi NE of Felton
152
Comment
JEPS24254
Collinsia bartsiifolia var. bartsiifolia
J. H. Thomas
1950-5-14
1863
Santa Cruz
near summit of Quail Hollow Road (on Ben Lomond side); Ben Lomond Sand Hills
152
Comment
VVC1690
Collinsia childii
Tim Thomas, P. J. MacKay
2011-5-22
5388
San Bernardino
San Bernardino Mtns., Upper watershed of the west fork of the Mojave River along FS 2N49.
1454
Comment
VVC3082
Collinsia childii
Tim Thomas, P. J. MacKay
2015-5-10
6613
Los Angeles
San Gabriel Mtns, Jackson Lake
1896
Comment
JEPS24283
Collinsia heterophylla
J. H. Thomas
1949-4-25
483
Monterey
Parkfield Grade, between Parkfield and Parkfield Junction; Diablo Range
Comment
RSA132382
Collinsia heterophylla
John H. Thomas
1953-6-13
3319
Santa Cruz
Mt. Charley Road, about 0.4 miles west of summit of Santa Cruz-Los Gatos Highway.
595
Comment
VVC2659
Collinsia parviflora
Tim Thomas
2011-7-5
5461
Inyo
Southern High Sierra, Cottonwood Lakes Basin; just northwest of GTC 350 feet above valley floor.
3232
Comment
VVC2527
Comastoma tenellum
Tim Thomas
1982-8-5
462
Inyo
Southern High Sierra, Cottonwood Lakes Basin; Eastern ridgeline Woolyback, standing dead Pinus balfouriana.
3553
Comment
VVC3088
Condalia globosa var. pubescens
Tim Thomas, P. J. MacKay
2013-2-23
5918
Riverside
Sonoran Desert, South side of the Orocopia Mtns, Salt Ck drainage
468
Comment
UC1236522
Conium maculatum
J. H. Thomas
1953-5-31
3279
Santa Cruz
Sunset Beach State Park
22
Comment
JROH1849
Convolvulus arvensis
John Hunter Thomas
1982-7-2
21056
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing
Comment
CAS-BOT-BC285998
Conyza bonariensis
John H. Thomas
1958-8-16
7432
Santa Clara
Stanford University Campus. In front of Encina Hall
Comment
CAS-BOT-BC288909
Conyza canadensis
John H. Thomas
1957-8-25
6840
Santa Cruz
Along Highway 9, about 2 miles N of Big Basin junction
487
Comment
JEPS24498
Conyza canadensis
John H. Thomas
1960-9-11
8886
Santa Clara
oval in front of Quad; Stanford University campus
Comment
CAS-BOT-BC286122
Conyza canadensis
J. H. Thomas
1956-9-29
6457
Los Angeles
Pasadena
Comment
CAS-BOT-BC288967
Conyza floribunda
J. H. Thomas
1961-12-31
8932
Santa Barbara
Along US Highway 101 near Nipomo
91
Comment
JROH4028
Cordylanthus pilosus subsp. pilosus
John H. Thomas
1972-8-18
16151
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA181256
Cordylanthus rigidus subsp. rigidus
John H. Thomas
1953-10-3
3577
Santa Cruz
Foot of Blooms Grade, 3 miles NW of Boulder Creek.
244
Comment
RSA181267
Cordylanthus rigidus subsp. rigidus
John H. Thomas
1950-9-23
2378
Santa Cruz
Foot of Blooms Grade, 3 miles NW of Boulder Creek.
244
Comment
RSA654517
Coreopsis calliopsidea
Katherine Thomas
1988-3-9
17
San Bernardino
3.5 miles NE of Kramer Junction (aka Beecher's Corners or Four Corners) on Fish and Game land.
Comment
CAS-BOT-BC101550
Corethrogyne filaginifolia
John H. Thomas
1956-6-24
6015
Santa Cruz
Near summit of Quail Hollow Road
304
Comment
CAS-BOT-BC212077
Cornus nuttallii
J. H. Thomas
1949-6-15
929
Trinity
About 7 miles north of Weaverville, along Trail to Trinity Alps, Trinity National Forest
914
Comment
RSA187372
Cornus nuttallii
H. A. Thomas, J. H. Thomas, Alan Thomas
1954-7-21
4437
Siskiyou
Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek.
1159
Comment
UCR209098
Cornus nuttallii
Tim Thomas, P. J. MacKay
2009-5-23
4744
San Bernardino
San Bernardino Mountains, FS Road 2N45 just below the intersection with FS Road 2N49
1628
Comment
JROH1864
Cornus sericea subsp. sericea
John H. Thomas
1961-5-5
9211
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam
76
Comment
JROH1877
Cornus sericea subsp. sericea
John Hunter Thomas
1986-5-1
23987
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek near low flow crossing
Comment
CAS-BOT-BC210569
Cornus sessilis
J. H. Thomas
1949-6-15
930
Trinity
About 7 miles north of Weaverville along trail to Trinity Alps. Trinity National Forest
914
Comment
JROH4975
Cortaderia selloana
John Hunter Thomas
1982-7-3
21060
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Lake edge
Comment
CAS-BOT-BC180294
Corylus cornuta subsp. californica
J. H. Thomas
1950-2-26
1242
Santa Cruz
About 1 mile S of Saratoga Gap
Comment
CAS-BOT-BC180298
Corylus cornuta subsp. californica
J. H. Thomas
1954-3-5
3748
Santa Cruz
Big Basin - Boulder Creek Highway near intersection of Jamison Road
243
Comment
JROH1331
Corylus cornuta subsp. californica
John H. Thomas
1959-4-5
7668
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA131815
Corylus cornuta var. californica
John H. Thomas
1949-10-9
1126
Santa Cruz
Near Highway 9 about 1 mile north of drinking fountain toward Saratoga Summit.
457
Comment
RSA187378
Corylus cornuta var. californica
John H. Thomas
1950-10-1
2456
Santa Cruz
Along Alba Grade, west of Ben Lomond.
Comment
JROH3646
Cotoneaster pannosus
John Hunter Thomas
1983-7-20
22901
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC287300
Cotula australis
John H. Thomas
1965-4-29
10609
San Mateo
San Bruno Mt in N part of county
396
Comment
CAS-BOT-BC286998
Cotula coronopifolia
J. H. Thomas
1949-10-23
1199
Santa Cruz
Along coast at western end of Cliff Drive, Santa Cruz
Comment
CAS-BOT-BC290292
Cotula coronopifolia
John H. Thomas
1955-5-21
5080
Solano
Along north shore of Carquinez Straight, 1.4 miles east of the center of Benecia
Comment
RSA187314
Cotula coronopifolia
John H. Thomas
1953-4-26
3014
Solano
Rio Vista Junction; around railroad tracks and highway overpass
15
Comment
CAS-BOT-BC427734
Crassula connata
J. H. Thomas
1958-1-11
6976
San Diego
Torrey Pines State Park, northern part of city of San Diego
Comment
CAS-BOT-BC427833
Crassula connata
John H. Thomas
1965-4-29
10630
San Mateo
San Bruno Mountain in northern part of county.
396
Comment
CAS-BOT-BC427879
Crassula connata
J. H. Thomas
1954-3-5
3766
Santa Cruz
Northern end of Hilton Airport between Airstrip and Highway.
243
Comment
CAS-BOT-BC427886
Crassula connata
J. H. Thomas
1953-5-2
3075
Santa Cruz
Sunset Beach State Park, near USG&GS Markers: Park 1931 and Park 2 - 1931.
15
Comment
CAS-BOT-BC427893
Crassula connata
J. H. Thomas
1954-4-30
4055
Santa Cruz
Northern end of Hilton Airport, between airstrip and highway.
243
Comment
CAS-BOT-BC427895
Crassula connata
J. H. Thomas
1955-3-21
4722
Santa Cruz
Jamison Creek Road near intersection of Big Basin - Boulder Creek Highway.
243
Comment
JROH1887
Crassula connata
John H. Thomas
1973-3-12
16482
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC427685
Crassula connata
John H. Thomas
1978-4-23
19111
San Benito
Pinnacles National Monument. High Peaks, Condor Gulch, Bear Gulch trail loop.
762
Comment
CAS-BOT-BC427937
Crassula tillaea
John H. Thomas
1966-3-22
11541
Marin
About 1 mile from Tomales along highway 1 toward Tomales Bay.
Comment
JROH3650
Crataegus monogyna
John H. Thomas
1965-4-10
10560
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA195688
Crepis bursifolia
John H. Thomas
1958-8-16
7401
Santa Clara
Memorial Court, Stanford University Campus
Comment
JROH1957
Croton setiger
John H. Thomas
1967-11-5
14131
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4983
Crypsis schoenoides
John Hunter Thomas
1980-11-27
20194
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Old bathing beach area
Comment
JROH4995
Crypsis schoenoides
John Hunter Thomas
1988-10-17
24598
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on delta in lake
Comment
CAS-BOT-BC190185
Crypsis vaginiflora
John H. Thomas
1965-10-6
11455
Santa Clara
Edge of Lagunita which is now dry. Near Junipero Serra Boulevard. Stanford University.
Comment
RSA176685
Crypsis vaginiflora
John H. Thomas
1961-5-4
9199
Santa Clara
Stanford University Campus. Lake Lagunita
Comment
CAS-BOT-BC189250
Cryptantha
John H. Thomas
1958-4-19
7125
Napa
About 2 miles SW of Oakville
152
Comment
VVC2975
Cryptantha barbigera
Tim Thomas, G Rink, A Schuab
2014-3-24
6187
San Bernardino
Mojave Desert, Alluvial fan 1.3 mi SW of Galway Dry Lk
861
Comment
VVC2340
Cryptantha circumscissa var. circumscissa
Tim Thomas, D. Slakey
2012-7-21
5841
Inyo
Southern High Sierra, Cottonwood Creek across from old pack station, now reveged, ca. 0.25 mi blw ck xing, in old LADWP campground.
2892
Comment
VVC2616
Cryptantha glomeriflora
Tim Thomas
2010-7-7
5238
Inyo
Southern High Sierra, Cottonwood Lakes Basin; E base Mesa
3152
Comment
VVC2834
Cryptantha micrantha
Tim Thomas
2014-4-12
6253
Kern
Mojave Desert, 4.5 miles S of Cantil
640
Comment
JROH1374
Cryptantha microstachys
John H. Thomas
1973-4-7
16518
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1379
Cryptantha microstachys
John Hunter Thomas
1992-4-23
25164
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
VVC2071
Cryptantha muricata var. muricata
Tim Thomas, P. J. MacKay
2011-6-18
5432
San Bernardino
San Bernardino Mtns, SE of Lk Silverwood on FS2N33/Pilot Knob
1226
Comment
VVC1936
Cryptantha nevadensis var. rigida
Tim Thomas, PJ MacKay, D Charleton
2003-5-17
3071
San Bernardino
San Bernardino Mtns, West end on PCT in vic of Hwy 15.
966
Comment
VVC2831
Cryptantha oxygona
Tim Thomas, Nick Jensen
2014-5-3
6279
Kern
Tehachapi Mountains, West of Los Alamos Cyn on south slope
1142
Comment
VVC3034
Cryptantha simulans
Tim Thomas, Matt Willis
2014-6-25
6393
Tulare
Southern Sierra Nevada Western Divide, Vicinity of Quaking Aspen Camp
2152
Comment
CAS-BOT-BC70518
Cryptogramma cascadensis
John H. Thomas
1957-9-3
6890
Fresno
Sierra Nevada, vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek
3657
Comment
RSA133288
Cryptogramma cascadensis
John H. Thomas
1957-9-3
6890
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Between Gold Lake and Mono Mesa.
3353
Comment Read comments Dec 16 2014
CAS-BOT-BC80799
Cupressus macrocarpa
John H. Thomas
1976-6-15
18283
Sonoma
Southern end of Sea Ranch, northwestern part of country, about 7 miles south of Gualala. Coastal bluffs.
30
Comment
CAS-BOT-BC287331
Cynara cardunculus
J. H. Thomas
1958-10-21
7487
San Mateo
Near intersection of Bayshore Highway and Main St, Redwood City, near slough
Comment
CAS-BOT-BC287332
Cynara cardunculus
J. H. Thomas
1958-10-21
7487
San Mateo
Near intersection of Bayshore Highway and Main St, Redwood City, near slough
Comment
CAS-BOT-BC287349
Cynara cardunculus
J. H. Thomas
1955-6-16
5212
Santa Clara
Near intersection of Mayfield Ave and Frenchman's Rd, Stanford University Campus
Comment
UC1195195
Cynara cardunculus subsp. cardunculus
John H. Thomas
1960-6-25
8800
San Mateo
between railroad tracks and El Camino Real (along creek running into Redwood Slough, near Maple Street, Redwood City); Redwood City, Redwood Slough
7
Comment
CAS-BOT-BC190208
Cynodon dactylon
John H. Thomas
1950-5-14
1859 A
Santa Cruz
About 1 mile south of Olympia along road to Zayante.
Comment
RSA195569
Cynodon dactylon
John H. Thomas
1966-4-24
11581
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto.
Comment
CAS-BOT-BC190309
Cynodon dactylon
J. H. Thomas
1955-6-21
5213
Santa Clara
Palo Alto. Near Southern Pacific Station.
Comment
JROH1390
Cynoglossum grande
John H. Thomas
1958-2-15
6986
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1394
Cynoglossum grande
John Hunter Thomas
1981-5-14
20573
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near old shack riders shack
Comment
CAS-BOT-BC190428
Cynosurus echinatus
John H. Thomas
1976-6-18
18359
Sonoma
About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville.
Comment
CAS-BOT-BC114483
Cyperus eragrostis
J. H. Thomas
1959-8-15
8061
Santa Clara
Along banks and bottom of San Francisquite Creek between University Ave and Bayshore Freeway.
0
Comment
CAS-BOT-BC114507
Cyperus eragrostis
J. H. Thomas
1953-5-31
3297
Santa Cruz
Along Pajaro River about 5.5 mi E of Watsonville.
Comment
JROH4381
Cyperus eragrostis
John Hunter Thomas
1982-11-6
21205
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Delta along edge of Searsville Lake.
Comment
RSA140833
Cyperus eragrostis
John H. Thomas
1953-10-17
3607
Santa Cruz
Pasatiempo Golf Course between Scott Valley and Santa Cruz.
Comment
CAS-BOT-BC114485
Cyperus eragrostis
J. H. Thomas
1958-8-16
7440
Santa Clara
Lawn weeds of the Stanford Univ Campus. Between Eating Clubs and Toyon Hall
Comment
SEINET7581644
Cyperus eragrostis
J. H. Thomas
1961-6-27
9571
Santa Clara
Stanford University Campus, edge of lawn between Toyon Hall and eating clubs.
Comment
JROH4391
Cyperus erythrorhizos
John H. Thomas
1974-10-29
17643
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr.
Comment
JROH23
Cystopteris fragilis
John Hunter Thomas
1992-4-23
25153
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rocks and along trail to redwoods
Comment
CAS-BOT-BC67973
Cystopteris fragilis
J. H. Thomas
1949-4-5
225
Santa Clara
Between Lick Obervatory and San Jose. Mt. Hamilton Range
Comment
RSA140884
Cytisus monspessulanus
John H. Thomas
1950-5-6
1770
Santa Cruz
About 1 miles up Boulder Creek from town of Boulder Creek.
168
Comment
RSA133312
Cytisus scoparius
John H. Thomas
1958-7-15
7229
San Francisco
West slope of Mt. Sutro.
183
Comment
JROH5017
Dactylis glomerata
John Hunter Thomas
1977-6-16
18753
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Weedy area near old racing oval
Comment
JROH5020
Dactylis glomerata
John Hunter Thomas
1980-5-27
19990
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5024
Dactylis glomerata
John Hunter Thomas
1985-5-21
23665
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near bridge
Comment
RSA187176
Danthonia californica var. californica
John H. Thomas
1954-5-7
4097
Santa Cruz
On top of ridge between Scott and Mill Creek drainages, about 2.2 miles S-SW of Eagle Rock.
518
Comment
CAS-BOT-BC76192
Darlingtonia californica
John H. Thomas
1966-3-19
11493
Del Norte
Near Highway 119 between Crescent City and Gasquet about 4-5 miles west of Gasquet near Myrtle Creek.
Comment
JROH223
Daucus pusillus
John H. Thomas
1968-5-22
14455
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA176777
Daucus pusillus
John H. Thomas
1963-5-20
10137
San Mateo
Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz.
Comment
UC1179139
Daucus pusillus
J. H. Thomas
1953-5-31
3274
Santa Cruz
just back of beach Sunset Beach State Park
22
Comment
CAS-BOT-BC293787
Deinandra corymbosa
John H. Thomas
1953-10-3
3586
Santa Cruz
Northern end of Hilton Airport, open area between highway and airstrip
243
Comment
CAS-BOT-BC299197
Deinandra corymbosa subsp. corymbosa
J. H. Thomas
1949-10-16
1152
San Mateo
Just north of outlet of San Gregorio Creek
Comment
UC1252075
Delairea odorata
J. H. Thomas
1959-12-31
8522
Santa Clara
along Moody Road near Pink Horse Ranch (about 2 mi sw of center of Los Altos)
6
Comment
CAS-BOT-BC292116
Delairea odorata
John H. Thomas
1956-12-23
6480
San Mateo
At 198 Oak Court, Menlo Park
Comment
HSC95837
Delphinium decorum subsp. tracyi
Kevin Thomas
2004-4-26
14
Humboldt
Titlow Hill Rd.
Comment
CAS-BOT-BC8754
Delphinium glaucum
J. H. Thomas; H. A. Thomas
1954-7-25
4537
Siskiyou
Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville
1981
Comment
JROH3443
Delphinium hesperium subsp. hesperium
John H. Thomas
1974-5-29
17396
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC116393
Delphinium patens subsp. hepaticoideum
John H. Thomas
1957-5-11
6750
Los Angeles
San Gabriel Mtns: About 3 miles north of La Canada near Angeles Crest Highway.
762
Comment
CAS-BOT-BC116447
Delphinium patens subsp. patens
J. H. Thomas
1981-4-20
20341
Sutter
Sutter Buttes. 1/2-3/4 miles eastward of Dean Place
182
Comment
CAS-BOT-BC121684
Delphinium patens subsp. patens
J. H. Thomas
1973-4-28
16718
Santa Clara
Mt Hamilton Range. About 1 mi due W of Mt. Hamilton Observatory and about 12.5 mi E of San Jose
914
Comment
JROH3451
Delphinium patens subsp. patens
John H. Thomas
1967-4-28
12718
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC7939
Delphinium variegatum
John Hunter Thomas
1969-4-24
14914
San Mateo
near Canada College, Redwood City, near Farm Hill Drive
Comment
JROH3463
Delphinium variegatum subsp. variegatum
John H. Thomas
1955-5-6
4977
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent grassy slopes
Comment
JROH3465
Delphinium variegatum subsp. variegatum
John Hunter Thomas
1978-4-20
19088
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC651
Dendromecon rigida subsp. rigida
J. H. Thomas
1950-12-16
2512
Santa Cruz
Eagel Rock.
731
Comment
CAS-BOT-BC679
Dendromecon rigida subsp. rigida
J. H. Thomas
1951-2-18
2551 A
Santa Cruz
Vicinity of Loma Prieta, summit of Santa Cruz Mtns.
899
Comment
YM-YOSE59326
Deschampsia cespitosa
W. D. Thomas
1935-9-12
476
Tuolumne
1/2 MILE S OF IRELAND LAKE.
3413
Comment
UC1131413
Deschampsia cespitosa subsp. cespitosa
W. D. Thomas
1935-9-19
497
Mariposa
1 1/2 mi. e.-n.e. Bunnell Pt.; Yosemite Nat'l Park, Mt. Lyell Quad.
Comment
UC1142970
Deschampsia cespitosa subsp. cespitosa
W. D. Thomas
1935-9-12
472
Tuolumne
1/2 mi. s. of Ireland Lake (Mt. Lyell); Yosemite Nat'l Park, Mt. Lyell
3413
Comment Read comments Jun 14 2012
CAS-BOT-BC192604
Deschampsia cespitosa subsp. holciformis
John H. Thomas
1976-6-16
18345
Sonoma
Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala
30
Comment
JROH5047
Deschampsia danthonioides
John H. Thomas
1975-5-26
17917
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5070
Deschampsia elongata
John Hunter Thomas
1985-5-22
23670
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC43194
Descurainia pinnata subsp. brachycarpa
John H. Thomas
1957-4-6
6610
San Bernardino
Mojave Desert. 1.4 miles north of Yucca Valley on road to Lucerne Valley, about 19 miles W of town of Twentynine Palms.
914
Comment
CAS-BOT-BC43481
Descurainia sophia
John H. Thomas
1959-3-25
7618
Kern
Randsburg.
1066
Comment
CAS-BOT-BC587
Dicentra formosa
J. H. Thomas
1960-4-12
8587
Santa Cruz
Rancho del Oso. Along Waddell Creek, about 2 miles from the coast.
45
Comment
UC855120
Dicentra formosa
Herbert A. Thomas
1936-6-4
87
Plumas
Meadow Valley Creek; near creek fork on road to Camp Califorest
1158
Comment
CAS-BOT-BC483636
Dichelostemma capitatum
J. H. Thomas
1950-5-14
1867
Santa Cruz
Ben Lomond Sand Hills near summit of Quail Hollow Road on Ben Lomond side
152
Comment
CAS-BOT-BC499445
Dichelostemma capitatum
J. H. Thomas
1949-2-22
3
Los Angeles
San Clemente Island, near Wilson's Cove.
Comment
CAS-BOT-BC500929
Dichelostemma capitatum
John H. Thomas
1971-5-2
15849
San Mateo
Near the intersection of Canada and Edgewood roads, about 4 mi SW of center of Redwood City
304
Comment
JROH4657
Dichelostemma capitatum subsp. capitatum
John H. Thomas
1974-4-13
17148
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA132369
Dichondra donelliana
John H. Thomas
1960-3-17
8545
San Francisco
Bernal Heights, Open, grassy summit of low hill
107
Comment
JEPS23865
Digitalis purpurea
J. H. Thomas
1954-6-24
4345
Santa Cruz
about 5 mi from Boulder Creek (along China Grade)
304
Comment
RSA176595
Digitalis purpurea
John H. Thomas
1961-5-6
9239
Santa Cruz
Rancho del Oso. Redwoods along Waddell Creek, about 2-3 miles inland.
30
Comment
CAS-BOT-BC209102
Digitaria sanguinalis
John H. Thomas
1960-9-11
8889
Santa Clara
Oval in front of Quad, Stanford University Campus
Comment
JROH5079
Digitaria sanguinalis
John Hunter Thomas
1981-9-24
20747
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC209101
Digitaria sanguinalis
J. H. Thomas
1964-9-28
10506
Santa Clara
Between Memorial Church and English Department, Stanford University Campus.
Comment
CAS-BOT-BC150362
Diplacus aurantiacus
John H. Thomas
1955-5-21
5099
Napa
Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa
274
Comment
CAS-BOT-BC150412
Diplacus aurantiacus
John H. Thomas
1958-7-15
7304
San Francisco
North arm of Lake Merced between boat house and foot Bridge
7
Comment
CAS-BOT-BC152033
Diplacus aurantiacus
John H. Thomas
1955-5-11
5027 A
Santa Cruz
Ridge between Little Basin Creek and Mill Creek, about 2.3 miles southwest of Eagle Rock
487
Comment
CHSC7162
Diplacus aurantiacus
Lynn R. Thomas
1969-3-30
31
Monterey
E edge of Crest Rd., ca 1.0 mi E of Calif. 1, Carmel Highlands, between Wildcat and Malpaso Creeks.
121
Comment
CHSC1758
Diplacus brevipes
E. Thomas
1940-5-26
Riverside
Temecula Canyon.
Comment Read comments Mar 27 2011
CAS-BOT-BC153108
Diplacus fremontii
J. H. Thomas; R. S. Ferris; W. Ernst
1956-7-15
6079
San Benito
Near Clear Creek, about 6 miles SW of Idria
792
Comment
CAS-BOT-BC153980
Diplacus rattanii
John H. Thomas
1956-7-2
6027 A
Santa Cruz
Ben Lomond Sand Hills
304
Comment
CAS-BOT-BC151352
Diplacus tricolor
John H. Thomas
1967-5-28
12916
Merced
Along highway 140, about 3 miles east of Planada
Comment
UC1252112
Dipsacus fullonum
J. H. Thomas
1953-10-24
3642
Santa Cruz
Mouth of Waddell Creek and vicinity in nw part of county Waddell Creek
Comment
RSA133892
Dipsacus sativus
John H. Thomas
1958-6-11
7229
San Mateo
About 4.3 miles due E of Belmont near Crystal Springs Reservoir.
91
Comment
JROH4202
Dirca occidentalis
John H. Thomas
1968-2-11
14144
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA195562
Dirca occidentalis
John H. Thomas
1967-3-13
12409
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto
Comment
RSA176414
Disporum hookeri var. hookeri
John H. Thomas
1964-4-19
10328
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Area below dam.
Comment
CAS-BOT-BC195734
Distichlis spicata
J. H. Thomas
1958-6-13
7249
Santa Clara
Two miles N. of Milpitas near Alameda-Santa Clara Co. line near East Bay Freeway
Comment
CAS-BOT-BC195738
Distichlis spicata
J. H. Thomas
1950-9-24
2401
Santa Cruz
Between Watsonville Slough and Pacific Ocean near mouth of Pajaro River and Palm Springs Speedway
Comment
JROH3382
Dodecatheon hendersonii
John H. Thomas
1958-2-15
6987
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA140828
Downingia ornatissima var. eximia
John H. Thomas
1960-5-14
8723
Stanislaus
Near Hwy 120 near Knights Ferry.
91
Comment
VVC2627
Draba sharsmithii
Tim Thomas, P. J. MacKay
2006-7-12
3913
Inyo
Southern High Sierra, Cottonwood Lakes Basin; mid slope on east Wooly Back ridge.
3750
Comment
CAS-BOT-BC41335
Draba sierrae
John H. Thomas
1961-9-12
9769
Fresno
Sierra Nevada. Vicinity of Mono Pass, 4th Recess, Pioneer Basin, and upper Mono Creek.
3505
Comment
JROH1507
Draba verna
J. H. Thomas
1980-4-23
19896
San Mateo
Jasper Ridge Biological Preserve, Stanford University; in road below dam
Comment
CAS-BOT-BC41433
Draba verna
John H. Thomas
1968-4-20
14342
Mendocino
Seven miles north of Laytonville near highway 101.
Comment
CAS-BOT-BC159628
Drymocallis glandulosa var. glandulosa
John H. Thomas
1955-5-21
5100
Napa
Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa
274
Comment
JROH3734
Drymocallis glandulosa var. wrangelliana
John H. Thomas
1967-6-1
12973
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA195548
Drymocallis glandulosa var. wrangelliana
John H. Thomas
1953-5-23
3171
Santa Cruz
Near summit of Santa Cruz, Los Gatos Hwy, State Hwy 17.
549
Comment
VVC3131
Drymocallis lactea var. lactea
Tim Thomas
2013-7-12
6134
Inyo
Southern High Sierra Nevada, Cottonwood Lakes Basin. Lake 6.
3585
Comment
CAS-BOT-BC71011
Dryopteris arguta
John H. Thomas
1950-4-9
1510
Santa Cruz
Between Saratoga Summit and Boulder Creek, 5.6 miles south of the summit as measured by the road
Comment
JROH37
Dryopteris arguta
John Hunter Thomas
1980-11-12
20162
San Mateo
Jasper Ridge Biological Preserve, Stanford University.
Comment
CAS-BOT-BC428405
Dudleya lanceolata
John H. Thomas
1957-5-31
6793
Los Angeles
Occidental College Campus, Los Angeles. Hills behind campus.
Comment
JROH1810
Dysphania ambrosioides
John H. Thomas
1974-10-29
17642
San Mateo
Jasper Ridge Biological Preserve, Stanford University; small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr.
Comment
JROH1814
Dysphania ambrosioides
John Hunter Thomas
1979-9-9
19719
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC197018
Echinochloa colona
J. H. Thomas
1961-9-3
9714 A
Alameda
About 2.1 miles SW of Pleasanton along road to Niles
Comment
RSA176942
Echinochloa colona
John H. Thomas
1963-8-1
10232
Santa Clara
Palo Alto. Corner of Alma and Loma Verde.
Comment
CAS-BOT-BC197040
Echinochloa colona
John H. Thomas
1976-9-1
18385
Santa Clara
Stanford University Campus. Living area. Raimundo Way and Cottrell Way
Comment
CAS-BOT-BC197061
Echinochloa crus-galli
J. H. Thomas
1960-8-30
8853
Glenn
About 0.7 miles north of Ordbend
Comment
JROH5084
Echinochloa crus-galli
John H. Thomas
1974-10-29
17652
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr.
Comment
JROH5090
Echinochloa crus-galli
John Hunter Thomas
1981-9-24
20749
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA124763
Echinochloa crus-galli
John H. Thomas
1958-9-1
7467
Santa Clara
near intersection of Alma Street and California Ave. near Southern Pacific depot. Palo Alto.
Comment
RSA133902
Echinodorus berteroi
John H. Thomas
1958-8-9
7381
Santa Clara
Lagunita, Stanford University Campus.
23
Comment
JROH4407
Eleocharis macrostachya
John Hunter Thomas
1982-8-13
21138
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSB56959
Eleocharis macrostachya
Thomas, Kathryn
1987-8-14
Santa Barbara
W end of ridge on Righetti Ranch, Casmalia Hills
Comment
RSA176541
Elymus X gouldii
John H. Thomas
1963-6-23
10159
San Mateo
Along Alpine Road near Ladera
Comment
CAS-BOT-BC227364
Elymus elymoides
John H. Thomas
1961-9-9
9743
Inyo
Sierra Nevada. Mono Mesa, near the junction of Mono, Inyo, and Fresno Counties
3718
Comment
VVC1640
Elymus glaucus
Tim Thomas, PJ MacKay, RT Hawke
2004-6-20
3423
San Bernardino
San Bernardino Mtns, Little Bear Ck [just east of Lk Arrowhead] upstream from FS Rd 2N26Y.
1433
Comment
CAS-BOT-BC203546
Elymus glaucus subsp. glaucus
John H. Thomas
1976-6-16
18236
Mendocino
Russian Gulch State Park, about 2 miles north of Mendocino
30
Comment
CAS-BOT-BC203681
Elymus glaucus subsp. glaucus
John H. Thomas
1961-5-14
9366
San Mateo
Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve
152
Comment
CAS-BOT-BC206551
Elymus glaucus subsp. glaucus
J. H. Thomas
1961-5-23
9449
Santa Clara
Along Page Mill Road, about 4 miles westward from Los Altos
609
Comment
CAS-BOT-BC206552
Elymus glaucus subsp. glaucus
John H. Thomas
1956-5-23
5736
Santa Clara
Road bank south to Lake Lagunita, Stanford University Campus
22
Comment
CAS-BOT-BC206570
Elymus glaucus subsp. glaucus
John H. Thomas
1959-6-11
7992
Santa Cruz
Along a tributary of San Vicente Creek near Warrenella on the western slope of Ben Lomond Mt., about 5 miles W of Ben Lomond
304
Comment
CAS-BOT-BC206613
Elymus glaucus subsp. glaucus
H. A. Thomas; J. H. Thomas
1954-7-27
4550
Siskiyou
About 6 miles SE of Cecilville, south side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE, Salmon-Trinity Mts.
975
Comment
JROH5103
Elymus glaucus subsp. glaucus
John H. Thomas
1971-5-30
15979
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5105
Elymus glaucus subsp. glaucus
John H. Thomas
1973-6-15
16847
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5110
Elymus glaucus subsp. glaucus
John Hunter Thomas
1988-5-16
24467
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near low flow crossing.
Comment
CAS-BOT-BC235208
Elymus multisetus
John H. Thomas
1971-5-2
15811
San Mateo
Near intersection of Canada Road and Edgewood Road, about three miles westward from Redwood City
152
Comment
JROH5127
Elymus multisetus
John H. Thomas
1978-5-16
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC1130627
Elymus sierrae
W. D. Thomas
1935-8-20
376
Tuolumne
1 mi n upper Young Lake; Yosemite National Park, Mt. Lyell Quadrangle
Comment
RSA181287
Emmenanthe penduliflora var. rosea
John H. Thomas, Roxana S. Ferris, W. R. Ernst
1956-7-15
6077
San Benito
Burned slopes near Clear Creek, about 6 miles southwest of Idria
793
Comment
CHSC313
Encelia actoni
E. Thomas
1949-4-9
Riverside
Murietta.
Comment
VVC2872
Encelia actoni
Tim Thomas, P. J. MacKay
2010-4-10
5051
Riverside
San Bernardino Mtns., Whitewater River; Mouth of Catclaw Flat, on ridge to immediate west.
896
Comment
CAS-BOT-BC81585
Ephedra californica
John H. Thomas
1957-4-6
6582
San Bernardino
Mojave Desert. About 2 miles north of Indian Cove, Joshua Tree National Monument. About 5 miles west and south of the
822
Comment
CAS-BOT-BC81742
Ephedra trifurca
H. A. Thomas; J. H. Thomas
1954-3-21
427
Inyo
Between Tin Mountain and [Grape Vine] Grapevine Mountains
533
Comment
JROH3046
Epilobium brachycarpum
John Hunter Thomas
1981-10-25
20774
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on causeway
Comment
RSA187381
Epilobium brachycarpum
John H. Thomas
1959-8-27
8100
Santa Clara
Near Hwy 101 and Metcalf Road. 1.5 miles NW of Coyote, Santa Clara Valley.
76
Comment
CAS-BOT-BC166361
Epilobium canum subsp. canum
J. H. Thomas
1956-7-14
6063
San Benito
On west side of canyon above reservoir at Idria
1280
Comment
CAS-BOT-BC166521
Epilobium canum subsp. canum
J. H. Thomas
1949-10-9
1128
Santa Cruz
Near California State Highway #9, about 1 mile north of drinking fountain toward Saratoga Summit
457
Comment
CAS-BOT-BC166522
Epilobium canum subsp. canum
J. H. Thomas
1949-10-9
1128
Santa Cruz
Near California State Highway #9, about 1 mile north of drinking fountain toward Saratoga Summit
457
Comment
CAS-BOT-BC166603
Epilobium canum subsp. canum
J. H. Thomas
1953-10-3
3591
Santa Cruz
Near California State Highway #9, 1.1 miles north of drinking fountain toward Saratoga Summit
475
Comment
CAS-BOT-BC166605
Epilobium canum subsp. canum
J. H. Thomas
1953-7-15
3489
Santa Cruz
Eagle Rock, about 4 miles NW of Boulder Creek
716
Comment
CAS-BOT-BC166611
Epilobium canum subsp. canum
J. H. Thomas
1950-11-12
2494
Santa Cruz
Eureka Canyon, near Eureka School
609
Comment
CAS-BOT-BC166612
Epilobium canum subsp. canum
J. H. Thomas
1950-11-12
2494
Santa Cruz
Eureka Canyon, near Eureka School
609
Comment
CAS-BOT-BC171939
Epilobium canum subsp. latifolium
John H. Thomas
1966-8-22
12379
Mariposa
Yosemite National Park, growing in rock crevice on eastern side of rounded dome just east of Sunrise High Sierra Camp, about 3 miles SE of Teneya Lake
2956
Comment
JROH3048
Epilobium ciliatum subsp. ciliatum
John H. Thomas
1970-7-5
15659
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3050
Epilobium ciliatum subsp. ciliatum
John H. Thomas
1973-6-15
16833
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3054
Epilobium ciliatum subsp. ciliatum
John Hunter Thomas
1981-7-12
20689
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near boat dock
Comment
RSA181278
Epilobium ciliatum subsp. ciliatum
John H. Thomas
1954-6-24
4300
Santa Clara
Stevens Creek near Fremont Avenue, 3 miles SE of Los Altos
Comment
RSA181283
Epilobium ciliatum subsp. watsonii
John H. Thomas
1953-6-14
3337
Santa Cruz
Marsh at Camp Evers.
152
Comment
JROH3066
Epilobium densiflorum
John Hunter Thomas
1981-5-25
20623
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3068
Epilobium densiflorum
John Hunter Thomas
1981-7-12
20703
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on old beach
Comment
UC572225
Epilobium obcordatum
W. D. Thomas
1935-8-23
382
Tuolumne
Shepherd's Crest Yosemite National Forest, Bridgeport Quadrangle (nw end)
3566
Comment
CAS-BOT-BC57916
Equisetum arvense
John H. Thomas
1950-4-15
1533
Santa Cruz
Along Pajaro River, just inside of county line in se corner of county.
30
Comment
CAS-BOT-BC57918
Equisetum arvense
John H. Thomas
1950-4-16
1571 A
Santa Cruz
Pajaro River at Watsonville.
Comment
RSA187174
Equisetum arvense
John H. Thomas
1950-4-15
1533
Santa Cruz
Along Pajaro River, just inside the county line in SE corner of county.
30
Comment
CAS-BOT-BC57867
Equisetum hyemale
John H. Thomas
1960-4-12
8585
Santa Cruz
Along Fall Creek, about 1.5 mi. w. of Felton.
274
Comment
JROH71
Equisetum telmateia subsp. braunii
John Hunter Thomas
1979-9-9
19717
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH69
Equisetum telmateia subsp. braunii
John H. Thomas
1976-4-2
18072
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek below dam
Comment
UC1102720
Eragrostis cilianensis
J. H. Thomas
1960-9-11
8887
Santa Clara
Stanford University Campus; Oval in front of Quad.
Comment
CAS-BOT-BC204610
Eragrostis mexicana subsp. virescens
J. H. Thomas
1960-8-5
8829
Santa Clara
Stanford Campus. Near intersection of Alvarado Row and Coronado Ave.
Comment
CAS-BOT-BC284172
Eragrostis pectinacea var. pectinacea
J. H. Thomas
1959-7-30
8048
Santa Clara
Stanford University Campus
Comment
JROH5140
Eragrostis pectinacea var. pectinacea
John H. Thomas
1974-10-29
17646
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr.
Comment
UC1108527
Eragrostis pectinacea var. pectinacea
J. H. Thomas
1958-7-24
7359
Santa Clara
Stanford University Campus; along Escondido Rd. between Hacienda and Wilbur Hall
Comment
CAS-BOT-BC284177
Eragrostis pectinacea var. pectinacea
J. H. Thomas
1958-8-10
7387
Santa Clara
Stanford Univesity Experimental Garden
Comment
RSA132411
Erechtites glomeratus
John H. Thomas
1959-6-11
8000
Santa Cruz
Along Hwy 9, 1 mile NW of Ben Lomond.
152
Comment
CAS-BOT-BC299890
Erechtites glomeratus
John H. Thomas
1967-5-2
12805
San Mateo
About 1/4 mile up Market Street from new school in canyon, San Bruno Mountain
Comment
CAS-BOT-BC291244
Erechtites minimus
J. H. Thomas
1950-10-1
2472
Santa Cruz
Rancho del Oso, about 1 mile inland from the coast. 8.5 miles NW of Davenport
Comment
CAS-BOT-BC291248
Erechtites minimus
J. H. Thomas
1959-7-8
8027
Santa Cruz
Vicinity of old lumber mill along East Fork of Waddell Creek, about 4 miles inland from the coast line, Rancho del Oso
Comment
RSA140853
Eremocarpus setiger
John H. Thomas
1960-8-29
8836
Napa
About 1 mile north of Calistoga along highway number 53.
Comment
VVC3290
Eremogone congesta var. suffrutescens
Tim Thomas, P. J. MacKay
2017-7-17
7316
Inyo
Southern High Sierra, Cottonwood Lakes Basin; above confluence of South Fork and Cottonwood Cks.
2919
Comment
CAS-BOT-BC160010
Eremothera boothii subsp. boothii
J. H. Thomas
1949-4-23
441
San Bernardino
About 8 miles east of Vidal Junction, along Colorado River Aqueduct Road
Comment
CAS-BOT-BC160095
Eremothera boothii subsp. condensata
J. H. Thomas
1949-4-21
359
San Diego
Yaqui Springs. Anza Desert State Park
Comment
VVC2039
Eriastrum densifolium subsp. austromontanum
Tim Thomas, Pam MacKay
2008-9-20
4583
Inyo
Sierra Nevada Mtns, Independence Creek/Onion Valley Road.
2178
Comment
RSA136308
Ericameria arborescens subsp. arborescens
John H. Thomas
1953-7-14
3444
Santa Cruz
About 1.5 miles south of Bielawski Lookout as measured by the road.
701
Comment
CAS-BOT-BC287537
Ericameria linearifolia
John H. Thomas
1967-4-10
12631
Fresno
Jacalitos Hills, eastern margin of the Inner Coast Range, between Warthan and Jacalitos creeks, about 2-5 miles southward from Coalinga
304
Comment
VVC3087
Ericameria nauseosa var. ceruminosa
Tim Thomas, P. J. MacKay
2014-10-12
6447
Los Angeles
Transverse Range, North of Liebre Mtns, Portal Ridge at mouth of Bleich Cyn.
936
Comment
CAS-BOT-BC294257
Ericameria nauseosa var. speciosa
John H. Thomas
1961-9-14
9775
Mono
Gravelly road bank about 3.5 miles up Rock Creek from Tom's Place
2438
Comment
VVC1849
Ericameria palmeri var. pachylepis
Tim Thomas
2006-9-17
4084
San Bernardino
San Bernardino Mtns, Upper Santa Ana River drainage.
1482
Comment
VVC3100
Ericameria suffruticosa
Tim Thomas, Colin Thomas, Addison Northam
2013-7-3
6106 .3
Inyo
Southern High Sierra Nevada, Cottonwood Lakes Basin; Windy Gap
3415
Comment
UCSB68142
Erigeron canadensis
Thomas, Kathryn
1993-9-18
Santa Barbara
Southern foothills of the San Rafael Range, Sedgwick Reserve, upper road, northeast drainage Figueroa Creek
694
Comment
CAS-BOT-BC297240
Erigeron coulteri
H. A. Thomas; J. H. Thomas
1954-9-12
4605
Fresno
Mono Creek between 3rd and 4th Recess, vicinity of Mono Pass, Pioneer Basin, Fourth Recess and adjacent Mono Creek, Sierra Nevada
3657
Comment
UC1118132
Erigeron coulteri
W. D. Thomas
1935-8-20
370
Tuolumne
1 mi n of upper Young Lake; Yosemite National Park, Mt. Lyell Quadrangle
3048
Comment
CAS-BOT-BC300601
Erigeron foliosus var. franciscensis
John H. Thomas
1953-7-15
3473
Santa Cruz
Along Empire Grade. Ben Lomond Mt. About 2 miles south of its intersection with Jamison Road
762
Comment
CAS-BOT-BC300602
Erigeron foliosus var. franciscensis
John H. Thomas
1953-7-15
3473
Santa Cruz
Along Empire Grade. Ben Lomond Mt. About 2 miles south of its intersection with Jamison Road
762
Comment
CAS-BOT-BC295055
Erigeron glaucus
J. H. Thomas
1954-5-28
4256
San Francisco
San Francisco. Ocean bluffs at northwest corner of city, just west of Lands End
45
Comment
CAS-BOT-BC295082
Erigeron glaucus
John H. Thomas
1961-5-12
9327
San Mateo
San Bruno Mountain in northern part of county
396
Comment
CAS-BOT-BC295126
Erigeron glaucus
John H. Thomas
1976-6-15
18308
Sonoma
Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala
30
Comment
VVC2735
Erigeron pygmaeus
Tim Thomas
1991-8-7
1466
Inyo
Southern High Sierra Nevada, Cottonwood Lakes Basin Watershed. South slope of Wooly Back above Muir Lake.
3613
Comment
VVC2736
Erigeron pygmaeus
Tim Thomas
1987-8-18
1207
Inyo
Southern High Sierra Nevada, Cottonwood Lakes Basin Watershed. Slope above and north of Muir Lk.
3399
Comment
YM-YOSE60188
Erigeron pygmaeus
W. D. Thomas
1935-8-23
385
Tuolumne
NW END OF SHEPHERDS CREST
3566
Comment
VVC2741
Erigeron tener
Tim Thomas, Betty O'Neil
1991-8-8
1477
Inyo
Southern High Sierra, Cottonwood Lakes Basin; above Lake 2
3366
Comment
VVC2744
Erigeron tener
Tim Thomas, P. J. MacKay
2006-7-12
3912
Inyo
Southern High Sierra, Cottonwood Lakes Basin; mid slope on east Wooly Back ridge.
3750
Comment
CAS-BOT-BC278489
Eriochloa contracta
J. H. Thomas
1960-8-30
8851
Glenn
About 0.7 miles north of Ordbend
Comment
CAS-BOT-BC278490
Eriochloa contracta
J. H. Thomas
1960-8-30
8851
Glenn
About 0.7 miles north of Ordbend
Comment
RSA140639
Eriochloa contracta
John H. Thomas
1960-8-30
8851
Glenn
Roadside ditch about 0.7 miles N of Ordbend
Comment
CAS-BOT-BC224127
Eriodictyon californicum
J. H. Thomas
1956-6-24
6007 B
Santa Cruz
Santa Cruz Mountains. 0.7 miles SW of Eagle Rock
609
Comment
CHSC685
Eriodictyon trichocalyx var. lanatum
E. Thomas
1940-5-26
San Diego
San Ysidro mountains near Julian
Comment
CAS-BOT-BC255398
Eriogonum
John H. Thomas
1967-4-10
12628
Fresno
Jacalitos Hills, eastern margin of the Inner Coast Range between Warthan and Jacalitos Creeks, about 2-5 miles southward from Coalinga
304
Comment
CAS-BOT-BC255431
Eriogonum
John H. Thomas
1973-6-29
16875
Santa Clara
About 1 mile due west of Mount Hamilton Observatory and about 12.5 miles east of the center of San Jose, Mount Hamilton Range
914
Comment
CAS-BOT-BC255432
Eriogonum
John H. Thomas
1970-5-15
15919
Santa Clara
About 1 mile due west of Mount Hamilton Observatory and about 12.5 miles east of the center of San Jose, Mount Hamilton Range
914
Comment
VVC1863
Eriogonum baileyi var. baileyi
Tim Thomas, PJ MacKay
2001-8-25
2560
San Bernardino
San Bernardino Mtns., East end of Summit Valley along Hwy 173.
1012
Comment
VVC3060
Eriogonum brachypodum
Tim Thomas
2015-4-19
6549
San Bernardino
Mojave Desert, Johnson Valley, mid Iron Hills on south side.
986
Comment
VVC2181
Eriogonum cithariforme
Tim Thomas, Dave Clendenen
1993-8-1
1662
Santa Barbara
Western Transverse Range, Sierra Madre Ridge; Santa Barbara Potrero.
1640
Comment
UCR209077
Eriogonum davidsonii
Tim Thomas, P. J. MacKay
2001-8-25
2559
San Bernardino
San Bernardino Mountains, east end of Summit Valley along Hwy 173
1012
Comment
VVC1853
Eriogonum davidsonii
Tim Thomas, PJ MacKay
2003-7-4
2948
San Bernardino
San Bernardino Mtns, Fish Creek Aspen area.
2238
Comment
RSA165906
Eriogonum esmeraldense
John H. Thomas
1963-9-9
10255
Mono
Deadman's Summit between Tom's Place and Lee Vining along Hwy 395.
2439
Comment
CAS-BOT-BC249860
Eriogonum esmeraldense var. esmeraldense
J. H. Thomas
1963-9-9
10255
Mono
Deadman's Summit between Tom's Place and Leevining [Lee Vining] along highway 395
2438
Comment
UCSB68297
Eriogonum fasciculatum
Thomas, Kathryn; Walden, Chris; Emard, Lydia
1993-3-22
Santa Barbara
southern foothills of I the San Rafael Range, Sedgwick Reserve, upper ranch Fork B of Figueroa Creek
566
Comment
CHSC1320
Eriogonum fasciculatum var. foliolosum
E. Thomas
1938-3-17
Los Angeles
Claremont
Comment
CAS-BOT-BC250544
Eriogonum gracile
John H. Thomas
1969-10-19
15478
San Mateo
Near Canada College, Redwood City, just off of Farm Hill Blvd.
Comment
CAS-BOT-BC250548
Eriogonum gracile
John H. Thomas
1971-5-2
15823
San Mateo
Near intersection of Canada and Edgewater [Edgewood?] roads. About 4 miles SW of center of Redwood City
304
Comment
RSA136085
Eriogonum latifolium
John H. Thomas
1950-10-1
2484
Santa Cruz
Near mouth of Waddell Creek, 8.5 miles NW of Davenport
Comment
CAS-BOT-BC259292
Eriogonum lobbii
J. H. Thomas
1955-9-15
5496
Inyo
Sierra Nevada. N. W. Corner of Inyo County. Between Mono Pass and Ruby Lake
3657
Comment
VVC1776
Eriogonum maculatum
Tim Thomas, PJ MacKay
2008-5-12
4418
San Bernardino
San Bernardino Mtns, Lower Marble Canyon. Mine expansion project.
1827
Comment
VVC1847
Eriogonum microthecum var. ambiguum
Tim Thomas, Pam MacKay
2008-9-22
4591
Inyo
Sierra Nevada Mtns East Slope, Lower Slope of the east face of the Sierra in vic. Independence Ck along Onion Valley Road.
2134
Comment
VVC3050
Eriogonum nidularium
Tim Thomas
2015-4-19
6554
San Bernardino
Mojave Desert, Johnson Valley, mid Iron Hills on south side.
986
Comment
CAS-BOT-BC268997
Eriogonum nudum var. auriculatum
J. H. Thomas
1958-6-11
7226
San Mateo
About 4.3 miles due east of Belmont near Crystal Springs Reservoir
91
Comment
CAS-BOT-BC269040
Eriogonum nudum var. auriculatum
J. H. Thomas
1953-5-31
3302
Santa Cruz
North of Soda Lake
152
Comment
CAS-BOT-BC271013
Eriogonum nudum var. decurrens
John H. Thomas
1956-7-2
6035
Santa Cruz
Ben Lomond Sand Hills
304
Comment
CAS-BOT-BC264810
Eriogonum nudum var. deductum
John H. Thomas; Hazelle A. Thomas
1956-7-21
6161
Placer
Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada
2377
Comment
VVC2514
Eriogonum nudum var. scapigerum
Tim Thomas, P. J. MacKay
2004-7-9
3453
Inyo
Southern High Sierra, Cottonwood Lakes Basin; above High Lake
3506
Comment
VVC2516
Eriogonum nudum var. scapigerum
Tim Thomas, PJ MacKay
2007-8-13
4219
Inyo
Southern High Sierra, Cottonwood Lakes Basin Watershed. Jenny Lake.
3232
Comment
CAS-BOT-BC258208
Eriogonum pusillum
John H. Thomas
1959-3-25
7628 A
Kern
Three miles north of Randsburg
792
Comment
CAS-BOT-BC267975
Eriogonum umbellatum var. argus
H. A. Thomas; J. H. Thomas
1954-7-25
4532
Siskiyou
Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville
1981
Comment
CDA22674
Eriogonum umbellatum var. bahiiforme
L. Thomas, A. Gilbert
1973-10-3
Tulare
Long Valley, near Kennedy Meadows.
0
Comment
VVC1848
Eriogonum umbellatum var. versicolor
Tim Thomas, Pam MacKay
2008-9-22
4592
Inyo
Sierra Nevada Mtns East Slope, Lower Slope of the east face of the Sierra in vic. Independence Ck along Onion Valley Road.
2134
Comment
VVC2092
Eriogonum wrightii var. subscaposum
Tim Thomas, PJ MacKay
2008-9-20
4581
Inyo
Sierra Nevada Mtns, Independence Creek/Onion Valley Road.
2178
Comment
CAS-BOT-BC297949
Eriophyllum confertiflorum
John H. Thomas
1957-5-31
6796
Los Angeles
Occidental College Campus, Los Angeles. Hills behind campus
Comment
CAS-BOT-BC304166
Eriophyllum confertiflorum
J. H. Thomas
1953-7-29
3553
Santa Cruz
Near Summit of Blooms Grade
457
Comment
UC1189955
Eriophyllum confertiflorum var. confertiflorum
J. H. Thomas
1950-12-16
2514
Santa Cruz
Eagle Rock
731
Comment
UCR240523
Eriophyllum lanatum var. obovatum
Tim Thomas, P. J. MacKay, David Clendenen
2008-8-30
4573
San Bernardino
San Bernardino Mountains, Bluff Lake
2311
Comment
CAS-BOT-BC302000
Eriophyllum staechadifolium
J. H. Thomas
1953-2-8
2769
Santa Cruz
Just south of mouth of Waddell Creek
Comment
CAS-BOT-BC296970
Eriophyllum wallacei
John H. Thomas
1957-3-30
6569
Riverside
Joshua Tree National Monument. About 3 miles southeast of White Tank near the road to Cholla Cactus Garden. About 20 miles northeast of Indio
883
Comment
VVC2791
Eriophyllum wallacei
Tim Thomas, Richard Thomas
1985-6-12
782
Inyo
Southern Sierra East slope., Walt's Point below Horseshoe Mdw Rd
2710
Comment
JROH2596
Erodium botrys
John H. Thomas
1971-4-10
15762 C
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2598
Erodium botrys
John H. Thomas
1971-4-25
15789
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2602
Erodium botrys
John H. Thomas
1975-4-19
17800
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA187347
Erodium brachycarpum
John H. Thomas
1950-3-5
1284
Santa Cruz
Between Corralitos and Pinto Lake, along east Corralitos Road. About 5 miles north of Watsonville.
Comment
VVC3195
Erodium malacoides
Tim Thomas, P. J. MacKay
2016-3-20
6937
San Bernardino
Inland Empire, South Coast subregion, North end of The Badlands, Prado Ck.
396
Comment
CAS-BOT-BC41459
Erysimum ammophilum
J. H. Thomas
1950-4-16
1589
Santa Cruz
Between Pacific Ocean and Watsonville Slough near mouth of Pajaro River.
Comment
CAS-BOT-BC54685
Erysimum capitatum
John H. Thomas
1981-4-30
20439
Sutter
Sutter Buttes. Huff Canyon - North Butte area.
304
Comment
CAS-BOT-BC54873
Erysimum franciscanum
John H. Thomas
1965-4-29
10608
San Mateo
San Bruno Mountain in northern part of county.
396
Comment
GH387504
Erysimum teretifolium
J. H. Thomas
1950-4-23
1657
Unknown
Ben Lomond Sand Hills, along Quail Hollow Road
152
Comment
CAS-BOT-BC402786
Eschscholzia caespitosa
John H. Thomas
1955-5-21
5131
Napa
Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa
274
Comment
CAS-BOT-BC402806
Eschscholzia caespitosa
John H. Thomas
1973-3-29
16510
San Benito
Pinnacles National Monument. Vicinity of Pinnacles Rocks
548
Comment
CAS-BOT-BC403026
Eschscholzia californica
John H. Thomas
1967-4-10
12626
Fresno
Western Fresno County. Jacalitos Hills, eastern margin of the Inner Coast Range, between Warthan and Jacalitos creeks, about 2-5 miles southward from Coalinga
304
Comment
CAS-BOT-BC403636
Eschscholzia californica
John H. Thomas
1961-3-22
9026 C
Santa Clara
Hills at Edenvale, about 5 miles south-east of San Jose
91
Comment
RSA124745
Eschscholzia californica subsp. californica
John H. Thomas
1959-6-11
8003
Santa Cruz
Along Graham Hill Road about 2 miles southeast of the Felton RR station (as mentioned along the road)
152
Comment
UCR261876
Eschscholzia minutiflora subsp. covillei
Tim Thomas, P. J. MacKay
2014-4-3
6239
San Bernardino
Mojave Desert, northern Johnson Valley, 1.6 miles northwest of Bessemer Mine, wash between Iron and Rodman Mountains
1034
Comment
CAS-BOT-BC202525
Euphorbia
H. A. Thomas; J. H. Thomas
1955-7-17
5270
Monterey
Santa Lucia Mountains. Vicinity of Nacimiento Summit
914
Comment
RSA187458
Euphorbia lathyris
John H. Thomas
1966-1-30
11472
Marin
McClures Beach, Tomales Point.
Comment
UCSB68210
Euphorbia spathulata
Thomas, Kathryn; Frye, K.
1993-5-8
Santa Barbara
Southern Foothills of the San Rafael Range, Sedqwick Reserve, 300 yards north of gate 2, Long Valley
490
Comment
RSA176410
Euthamia occidentalis
John H. Thomas
1964-10-2
10511
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Edge of Searsville Lake near Bridge.
Comment
CAS-BOT-BC171045
Fagonia laevis
John H. Thomas
1957-3-30
6545
Riverside
8.1 miles east of Cactus City, about 20 miles east of Coachella, Colorado Desert
426
Comment
CAS-BOT-BC278187
Festuca
John H. Thomas
1970-4-26
15600
Santa Clara
Mount Hamilton Range. About 1 mile due west of Mount Hamilton Observatory and about 12.5 miles east of the center of San Jose
914
Comment
JROH5149
Festuca arundinacea
John H. Thomas
1978-5-23
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5156
Festuca arundinacea
John Hunter Thomas
1985-5-21
23661
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near bridge.
Comment
JROH5158
Festuca arundinacea
John Hunter Thomas
1985-5-21
23664
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near bridge
Comment
JROH5160
Festuca arundinacea
John Hunter Thomas
1987-5-26
24320
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5169
Festuca arundinacea
John Hunter Thomas
1992-5-14
25231
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near boat ramp.
Comment
JROH5177
Festuca californica
John H. Thomas
1967-5-12
12866
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5481
Festuca microstachys
John H. Thomas
1963-5-15
10093 B
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
VVC2882
Festuca octoflora
Tim Thomas, P. J. MacKay
2010-4-12
5029
Riverside
San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw.
878
Comment
JROH5280
Festuca perennis
John H. Thomas
1965-4-28
10597
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5284
Festuca perennis
John Hunter Thomas
1980-5-1
19911
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5290
Festuca perennis
John Hunter Thomas
1987-5-15
24287 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near low flow crossing.
Comment
JROH2973
Ficus carica
John H. Thomas
1967-6-1
12982
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2975
Ficus carica
John Hunter Thomas
1979-9-9
19710
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSB68149
Filago
Kathryn Thomas, Wayne Ferren
1993-4-20
SR- 141
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - South end of vernal pool
353
Comment
RSA133873
Fragaria chiloensis
John H. Thomas
1959-3-20
7562
San Luis Obispo
Oso Flaco Lake, a dune lake along the coast, 17 miles S of San Luis Obispo County.
8
Comment
CAS-BOT-BC455962
Fragaria chiloensis
John H. Thomas
1976-6-15
18303
Mendocino
Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala.
30
Comment
JROH3666
Fragaria vesca
John Hunter Thomas
1981-4-5
20291
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek
Comment
JROH3668
Fragaria vesca
John Hunter Thomas
1981-4-23
20486
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC457564
Fragaria vesca subsp. californica
J. H. Thomas
1950-2-26
1244
Santa Cruz
About 1 mile south of Saratoga Summit along highway number 9.
609
Comment
CAS-BOT-BC457528
Fragaria vesca subsp. californica
J. H. Thomas
1949-3-29
192
San Mateo
Kings Mountain.
Comment
VVC3273
Fragaria virginiana
Tim Thomas
1988-8-6
1306
Inyo
Southern High Sierra, Cottonwood Lakes Basin, vic. trail crossing South Fork Creek
Comment
UCSB68313
Frangula californica
Thomas, Kathryn
1993-9-18
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve, upslope at spring near rock outcrop, west
670
Comment
CAS-BOT-BC53988
Frangula californica subsp. californica
John H. Thomas
1955-7-16
5260
Monterey
Santa Lucia Mountains - About 4.7 miles east of Nacimiento Summit as measured along the road.
502
Comment
JROH3546
Frangula californica subsp. californica
John Hunter Thomas
1978-7-2
19250
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3548
Frangula californica subsp. californica
John Hunter Thomas
1981-2-14
20211
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC211584
Frankenia salina
J. H. Thomas
1950-9-24
2396
Santa Cruz
Between Watsonville Slough and Pacific Ocean near mouth of Pajaro River, also near Palm Springs Speedway
Comment
CAS-BOT-BC223694
Frankenia salina
John H. Thomas
1970-4-15
15581
Merced
About 11 miles northeast of Gustine along highway 140 near Bridge 39-91 over slough near San Joaquin River
Comment
UC1195187
Frankenia salina
J. H. Thomas
1960-7-13
8815
Santa Clara
in salt marsh near Palo Alto Yacht Harbor
0
Comment
VVC2562
Frasera tubulosa
Tim Thomas
1991-8-6
1482
Inyo
Southern High Sierra, Cottonwood Lakes Basin; SE shoulder of the Mesa.
3232
Comment
CAS-BOT-BC130139
Fritillaria affinis
J. H. Thomas
1949-4-14
268
San Mateo
[King's] Kings Mt. Road
Comment
JROH4686
Fritillaria affinis
John Hunter Thomas
1981-4-5
20278
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek
Comment
CAS-BOT-BC422478
Fumaria parviflora
John H. Thomas
1961-4-14
9080
Santa Clara
Along Junipero Serra Blvd. near Frenchman's Road, Stanford University Campus.
60
Comment
UCSB68331
Galium
Kathryn Thomas
1993-5-1
SR- 188
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - top Mt. Dibble
701
Comment
VVC1784
Galium angustifolium subsp. angustifolium
Tim Thomas, PJ Mackay
2008-5-13
4437
San Bernardino
San Bernardino Mtns, Marble Canyon/Mitsubishi expansion area 2008 proposal
1707
Comment
VVC3315
Galium bifolium
Tim Thomas
1985-8-14
799
Inyo
Southern High Sierra, Cottonwood Lakes Basin, stringer to Woolyback NW of GTC
3398
Comment
CAS-BOT-BC223110
Galium hilendiae subsp. kingstonense
John H. Thomas
1957-9-3
6896
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Between Gold Lake and Mono Mesa
3657
Comment
JROH3791
Galium murale
John H. Thomas
1967-6-1
12967
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA135739
Galium nuttallii
John H. Thomas
1950-3-30
1416
Santa Cruz
Soquel Valley. About 5 miles N of Soquel.
Comment
RSA195642
Galium nuttallii
John H. Thomas
1950-6-10
1996
Santa Cruz
Near State Hwy 9. 1.2 miles N of drinking fountain.
457
Comment
UCSB68329
Galium nuttallii
Kathryn Thomas
1993-2-13
SR- 21
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Transect B
624
Comment
VVC2076
Galium parishii
Tim Thomas, P. J. MacKay
2011-6-25
5446
San Bernardino
San Bernardino Mtns, Grays Peak, lower trail.
2064
Comment
JEPS88935
Galium parisiense
John H. Thomas
1961-6-3
9595
Santa Clara
about 9 mi s Palo Alto (headwaters of creek); Stevens Creek
609
Comment
RSA176643
Galium parisiense
John H. Thomas
1961-6-3
9505
Santa Clara
Headwaters of Stevens Creek, about 9 miles south of Palo Alto.
610
Comment
JROH3812
Galium porrigens var. porrigens
John Hunter Thomas
1981-5-25
20619
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
VVC3036
Galium sparsiflorum subsp. sparsiflorum
Tim Thomas, Matt Willis
2014-6-25
6387
Tulare
Southern Sierra Nevada Western Divide, Vicinity of Quaking Aspen Camp
2152
Comment
JROH5574
Gamochaeta ustulata
John H. Thomas
1962-5-31
9896
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Westridge end of the ridge
Comment
JROH801
Gamochaeta ustulata
John Hunter Thomas
1986-5-6
24004
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH804
Gamochaeta ustulata
John Hunter Thomas
1989-5-5
24659
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH806
Gamochaeta ustulata
John Hunter Thomas
1992-5-5
25208
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near picnic area and vicinity
Comment
CAS-BOT-BC192026
Garrya flavescens
J. H. Thomas
1954-4-23
3967
Santa Clara
Vicinity of Mt. Umunhum
1036
Comment
CAS-BOT-BC182233
Garrya fremontii
J. H. Thomas
1954-5-14
4186
Siskiyou
Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville
1219
Comment
CAS-BOT-BC182248
Garrya fremontii
J. H. Thomas
1954-5-13
4162
Siskiyou
Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles woutheast of Cecilville
1127
Comment
JROH5187
Gastridium phleoides
John H. Thomas
1977-4-29
18568
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC56232
Gaultheria humifusa
H. A. Thomas; J. H. Thomas
1955-9-12
5467
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek.
3931
Comment
VVC2084
Gayophytum decipiens
Tim Thomas, P. J. MacKay
2011-6-18
5440
San Bernardino
San Bernardino Mtns., Along FS2N33 east of Pilot Rock just west of Grass Valley Ck.
1486
Comment
VVC2522
Gayophytum racemosum
Tim Thomas
2008-7-26
4553
Inyo
Southern Sierra Nevada Mtns., Horseshoe Meadow region; Round Meadow.
3011
Comment
CAS-BOT-BC211892
Genista monspessulana
Hazelle A. Thomas; John H. Thomas
1955-6-26
685
Mendocino
Pine Barrens about 3 miles southeast of town of Fort Bragg
91
Comment
CAS-BOT-BC219111
Genista monspessulana
John H. Thomas
1960-4-12
8583 A
Santa Cruz
Near summit of Hillside Drive, Ben Lomond
182
Comment
JROH2002
Genista monspessulana
John Hunter Thomas
1978-5-23
19222
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
VVC2528
Gentiana newberryi
Tim Thomas, PJ MacKay
2007-8-14
4227
Inyo
Southern High Sierra, Cottonwood Lakes Basin Watershed. vic old pasture gate blw Windy Gap
3317
Comment
VVC2529
Gentianopsis holopetala
Tim Thomas, PJ MacKay
2007-8-13
4211
Inyo
Southern High Sierra, Cottonwood Lakes Basin Watershed. 0.7 mi from main trail on South Fork.
3113
Comment
CAS-BOT-BC303613
Geraea canescens
John H. Thomas
1959-3-24
7593
San Bernardino
0.5 mile N of Kelso
670
Comment
JROH2626
Geranium molle
John H. Thomas
1973-4-14
16556
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2628
Geranium molle
John H. Thomas
1978-4-8
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA119152
Gilia achilleifolia
John H. Thomas
1953-6-13
3321
Santa Cruz
Mt. Charley Road, about 0.4 mile west of summit of Santa Cruz-Los Gatos Highway.
595
Comment
JROH3157
Gilia achilleifolia subsp. multicaulis
John Hunter Thomas
1980-4-24
19899
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam
Comment
UCR209073
Gilia brecciarum
Tim Thomas, P. J. MacKay
2003-7-4
2945
San Bernardino
San Bernardino Mountains, Fish Creek Aspen area
2238
Comment
VVC1661
Gilia cana subsp. cana
Tim Thomas, PJ MacKay, RT Hawke
2005-7-25
3860
San Bernardino
San Bernardino Mtns., Cienaga Seca.
2509
Comment
CLARK-A346-18
Gilia capitata
Loraine Thomas
Kern
Bakersfield ""Kern Canyon, Bakersfield area""; Gosford 7.5'Q
Comment
RSA185789
Gilia tenuiflora subsp. amplifaucalis
John H. Thomas
1950-5-14
1874
Santa Cruz
Ben Lomond Sand Hill, near summit of Quail Hollow Road on Ben Lomond side.
152
Comment Read comments Feb 15 2015
CAS-BOT-BC303657
Glebionis coronaria
J. H. Thomas
1966-5-31
11653
Santa Cruz
Santa Cruz. At intersection of Franklin and Ocean Streets
Comment
CAS-BOT-BC303731
Glebionis segetum
John H. Thomas
1966-3-20
11508
Mendocino
About 0. 5 mile N of Westport
Comment
CAS-BOT-BC283843
Glyceria
John H. Thomas
1957-9-2
6867
Fresno
Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Vicinity of lowest lake in Pioneer Basin, growing in water at edge of lake
3139
Comment
JROH2026
Glycyrrhiza lepidota
John Hunter Thomas
1983-7-7
22819
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA176726
Glycyrrhiza lepidota
John H. Thomas
1962-7-15
9923
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below dam.
Comment
RSA185862
Gnaphalium chilense
John H. Thomas
1950-9-24
2399
Santa Cruz
Between Watsonville Slough and Pacific Ocean near mouth of Pajaro River and Palm Springs Speedway.
Comment
RSA176647
Gnaphalium palustre
John H. Thomas
1961-8-13
9674
Santa Cruz
Bog at Camp Evers.
152
Comment
CAS-BOT-BC110260
Grayia spinosa
John H. Thomas
1959-3-25
7621
Kern
Randsburg.
1066
Comment
RSA136164
Grindelia camporum
John H. Thomas
1956-10-14
6464
Santa Clara
Stanford University Campus. Near Ryan High Voltage Laboratory.
23
Comment
CAS-BOT-BC304537
Grindelia hirsutula
J. H. Thomas
1954-5-28
4243
San Mateo
East facing slopes of San Bruno Mountain, just north of South San Francisco
91
Comment
CAS-BOT-BC314595
Grindelia hirsutula
J. H. Thomas
1950-9-24
2387
Santa Cruz
Between Watsonville Slough and Pacific Ocean near mouth of Pajaro River adn Palm Springs Speedway
Comment
JROH817
Grindelia hirsutula
John H. Thomas
1973-6-15
16848
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH818
Grindelia hirsutula
John Hunter Thomas
1978-5-12
19203
San Mateo
Jasper Ridge Biological Preserve, Stanford University; draw to Ridge from near the dam
Comment
JROH824
Grindelia hirsutula
John Hunter Thomas
1983-6-2
22328
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH826
Grindelia hirsutula
John Hunter Thomas
1987-5-26
24316
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA136079
Grindelia stricta var. angustifolia
John H. Thomas
1955-8-1
5307
Santa Clara
Along Alviso Slough, near South Bay Yacht Club, Alviso.
0
Comment
RSA134136
Guillenia lasiophylla
H. A. Thomas, John H. Thomas
1955-4-2
4761
Santa Clara
About 0.5 mile north of Edenvale RR Station, about 5 miles SE of San Jose.
91
Comment
CAS-BOT-BC504607
Hastingsia alba
J. H. Thomas; H. A. Thomas
1954-7-25
4539
Siskiyou
Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville
1981
Comment
CAS-BOT-BC309370
Helenium bolanderi
J. H. Thomas; H. A. Thomas
1955-6-26
704
Mendocino
Near State Highway 1, 2 miles NW of Anchor Bay
30
Comment
CAS-BOT-BC309565
Helenium puberulum
J. H. Thomas
1954-7-9
4364
Santa Clara
Carnadero Creek at intersection of Thomas Road, about 1 mile south of Gilroy
60
Comment
JROH830
Helenium puberulum
John H. Thomas
1961-6-14
9542
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along stream below dam
Comment
RSA133702
Helenium puberulum
John H. Thomas
1954-4-21
3913
Santa Clara
In bed of Stevens Creek, near Fremont Ave, 3 miles SE of Los Altos.
Comment
CAS-BOT-BC309557
Helenium puberulum
John H. Thomas
1961-7-2
9584
Santa Clara
Palo Alto. San Mateo - Santa Clara Co. line along San Francisquito Creek between University Ave. and Newell Road
Comment
JROH851
Helianthella californica var. californica
John H. Thomas
1967-5-12
12880
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH854
Helianthella californica var. californica
John Hunter Thomas
1980-5-8
19942
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH856
Helianthella californica var. californica
John Hunter Thomas
1981-5-8
20564
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH861
Helianthella californica var. californica
John Hunter Thomas
1989-5-9
24722
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1832
Helianthemum scoparium
John H. Thomas
1961-5-5
9220
San Mateo
Jasper Ridge Biological Preserve, Stanford University; at NW end of ridge
152
Comment
CAS-BOT-BC305926
Helminthotheca echioides
John H. Thomas
1955-11-9
5505
San Mateo
Fallow Brussel Sprout field near Sanchez Adobe House, San Pedro Valley, about 8.5 miles south of San Francisco - San Mateo County line, and 0.9 mile inland from the ocean
Comment
CAS-BOT-BC305910
Helminthotheca echioides
John H. Thomas
1958-6-26
7281
San Francisco
San Francisco. At intersection of Davidson Ave. and 3rd St.
Comment
CAS-BOT-BC313464
Hemizonella minima
J. H. Thomas
1954-5-13
4128
Siskiyou
Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Salmon Mountains, Klamath National Forest
1066
Comment
CAS-BOT-BC314917
Hemizonia congesta subsp. luzulifolia
J. H. Thomas
1962-11-4
10014
San Mateo
Jasper Ridge, Stanford University Biological Experimental Area near Westridge end
Comment
JEPS24267
Hemizonia congesta subsp. luzulifolia
J. H. Thomas
1959-8-27
8113
Santa Clara
about 4.5 mi s from Morgan Hill; Watsonville road
121
Comment
JROH864
Hemizonia congesta subsp. luzulifolia
John H. Thomas
1959-8-22
8078
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH866
Hemizonia congesta subsp. luzulifolia
John H. Thomas
1967-11-5
14129
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SD49786
Hemizonia congesta subsp. luzulifolia
J. H. Thomas
1958-6-11
7228
San Mateo
4.3 miles due east of Belmont near Crystal Springs Reservoir.
89
Comment
CAS-BOT-BC309934
Hemizonia congesta subsp. luzulifolia
J. H. Thomas
1955-5-20
5079
Solano
Mare Island, U. S. Naval Shipyard
Comment
RSA133899
Hemizonia corymbosa subsp. corymbosa
John H. Thomas
1959-8-16
8067
San Mateo
About 2 miles N of Pigeon Point along the coast.
15
Comment
RSA133888
Hemizonia corymbosa subsp. macrocephala
John H. Thomas
1955-7-17
5287
Monterey
Along the coast, 1.4 miles south of Prewitt Creek, near Point Gorda.
Comment
JROH248
Heracleum maximum
John H. Thomas
1961-5-5
9210
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam
76
Comment
JROH249
Heracleum maximum
John H. Thomas
1961-5-5
9210
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam
76
Comment
RSA152062
Herniaria hirsuta subsp. cinerea
John H. Thomas
1962-5-26
9875
Tuolumne
Near O Shaughnessy Dam on the north side of Hetch Hetchy Reservoir, Yosemite National Park.
1220
Comment
CAS-BOT-BC388549
Herniaria hirsuta var. cinerea
John H. Thomas
1974-4-23
17221
San Benito
Pinnacles National Monument. High Peaks Trail, southern part
762
Comment
CAS-BOT-BC310185
Hesperevax sparsiflora var. brevifolia
John H. Thomas
1953-4-4
2964
Santa Cruz
Along Jamison Road, near Big Basin - Boulder Creek Highway
259
Comment
CAS-BOT-BC403886
Hesperocnide tenella
J. H. Thomas
1965-4-26
10592
Santa Clara
Palo Alto Regional Park, off Page Mill Road. Along Nature Trail
Comment
CAS-BOT-BC403895
Hesperocnide tenella
John H. Thomas
1953-5-31
3311
Santa Cruz
Northeast of Soda Lake
152
Comment
JROH4228
Hesperocnide tenella
John H. Thomas
1974-5-19
17384
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH116
Hesperocyparis macrocarpa
John Hunter Thomas
1979-9-9
19734
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC176056
Hesperolinon clevelandii
John H. Thomas
1955-5-21
5116
Napa
Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa
274
Comment
RSA159409
Hesperolinon congestum
John H. Thomas
1961-5-14
9379
San Mateo
Just north of dam on San Mateo Creek.
122
Comment
UC1219880
Hesperolinon congestum
John H. Thomas
1961-5-14
9379
San Mateo
road bank and outcropping just n dam on San Mateo Creek
121
Comment
CAS-BOT-BC176254
Hesperolinon disjunctum
J. H. Thomas; R. S. Ferris; W. Ernst
1956-7-14
13040
San Benito
Clear Creek, about 3.3 miles SW of Idria
975
Comment
JROH2923
Hesperolinon micranthum
John H. Thomas
1963-5-15
10093
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2925
Hesperolinon micranthum
John H. Thomas
1967-5-31
12943
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2936
Hesperolinon micranthum
John Hunter Thomas
1983-6-29
22713
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2938
Hesperolinon micranthum
John Hunter Thomas
1992-5-25
25342
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC422538
Hesperomecon linearis
J. H. Thomas
1951-4-22
2588
Monterey
On hills bounding Salinas River flood plain, between Salinas and Monterey near eastern gate of Fort Ord.
Comment
CAS-BOT-BC135905
Hesperoyucca whipplei
J. H. Thomas
1955-7-16
5245
Monterey
About 1.5 miles east of Nacimiento Summit as measured along the road - Santa Lucia Mountains
701
Comment
CAS-BOT-BC310973
Heterotheca grandiflora
J. H. Thomas
1954-8-12
4573
Santa Clara
Summit of Los Gatos - Santa Cruz Highway, State Highway 17, near county line
609
Comment
CAS-BOT-BC310980
Heterotheca grandiflora
John H. Thomas
1950-3-27
1344 A
Santa Cruz
Between Eagle Rock and Locatelli Ranch
731
Comment
RSA181311
Heterotheca sessiliflora subsp. echioides
John H. Thomas
1965-10-3
11454
Santa Clara
Monte Bello Ridge, about 8.5 miles southward from Palo Alto. Between summit of Black Mountain and Page Mill Road.
732
Comment
CAS-BOT-BC110577
Heuchera
John H. Thomas
1964-9-15
10502
Fresno
Sierra Nevada. Vicinity of Mono Pass, 4th Recess, Pioneer Basin and upper Mono Creek. South end of Recess Lake.
3657
Comment
CAS-BOT-BC424225
Heuchera micrantha var. hartwegii
John H. Thomas
1961-5-7
9283
San Mateo
San Bruno Mountain in northern part of county.
396
Comment
RSA0063041
Heuchera pilosissima
Herbert Thomas
1933-5-12
s.n.
Sonoma
Near Larkspur Rock.
Comment
CAS-BOT-BC425273
Heuchera rubescens
John H. Thomas
1957-9-3
6897
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek.
3657
Comment
CAS-BOT-BC425280
Heuchera rubescens
H. A. Thomas; J. H. Thomas; R. W. Holm
1975-7-29
8271
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek; Between lowest and 2nd group of lakes in 4th Recess.
3291
Comment
CAS-BOT-BC203368
Hibiscus denudatus
J. H. Thomas
1949-4-21
375
San Diego
Yaqui Springs, eastern part of county
Comment
VVC3255
Hieracium horridum
Tim Thomas
1981-8-3
356
Inyo
Southern High Sierra,, Cottonwood Lakes Basin drainage, Windy Gap above Carrol Creek.
3323
Comment
CAS-BOT-BC318660
Hieracium horridum
John H. Thomas
1957-9-1
6859
Fresno
Between Trail and Summit Lakes, vicinity of Mono Pass, Pioneer Basin, 4th Recess adn adjacent Mono Creek, Sierra Nevada
3505
Comment
RSA187345
Hierochloe occidentalis
John H. Thomas
1954-4-3
3820
San Mateo
Along San Gregorio Creek about 1.5 miles west of La Honda.
107
Comment
CAS-BOT-BC280760
Holcus lanatus
J. H. Thomas
1959-6-11
7998
Santa Cruz
Along highway no. 9, 1 mile NW. of Ben Lomond
152
Comment
CAS-BOT-BC280799
Holcus lanatus
John H. Thomas
1976-6-16
18337
Sonoma
Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala
30
Comment
JROH5217
Holcus lanatus
John Hunter Thomas
1989-5-30
24756
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC235488
Holmgrenanthe
John H. Thomas
1973-4-23
16655
San Benito
Pinnacles National Monument. HIgh Peaks Trail, southern part
762
Comment
JEPS24263
Holocarpha macradenia
John H. Thomas
1959-8-27
8114
Santa Cruz
3.5 mi ne of Watsonville; Along Hecker Highway, sw of Fairgrounds
30
Comment
RSA133949
Holocarpha obconica subsp. obconica
John H. Thomas
1956-7-14
6056
San Benito
New Idria Road from, Panoche to Idria, about 5 miles S of Panoche, along Griswold Creek.
457
Comment
RSA133877
Holocarpha virgata subsp. virgata
John H. Thomas
1959-9-19
8178
Tuolumne
Low Sierra Nevada foothills. 1.7 miles east of Stanislaus-Tuolumne County line, along highway 120, between Knight's Ferry and Keystone.
122
Comment
RSA262239
Holodiscus discolor
John H. Thomas
1971-5-30
15982
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto.
Comment
CAS-BOT-BC150104
Holodiscus discolor var. discolor
J. H. Thomas
1953-7-14
3422
Santa Cruz
Summit Road, 1 mile SE of Saratoga Summit
853
Comment
CAS-BOT-BC280837
Hordeum
John H. Thomas
1963-5-11
10068
Santa Cruz
Rancho del Oso, Waddell Creek. Field about 1.3 miles inland from the coast along road
Comment
JROH5220
Hordeum brachyantherum subsp. californicum
John H. Thomas
1968-5-3
14439
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5224
Hordeum brachyantherum subsp. californicum
John H. Thomas
1978-5-16
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5229
Hordeum brachyantherum subsp. californicum
John Hunter Thomas
1981-4-27
20510
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC285181
Hordeum marinum subsp. gussoneanum
J. H. Thomas
1954-5-26
4204 B
Santa Cruz
Northern end of Hilton Airport, between airstrip and highway
243
Comment
CAS-BOT-BC285182
Hordeum marinum subsp. gussoneanum
John H. Thomas
1950-5-28
1925
Santa Cruz
Northern end of Hilton Airport, open area between highway and airstrip
243
Comment
GH365225
Hordeum marinum subsp. gussoneanum
J. H. Thomas
1961-5-21
9447
Unknown
About 1.4 miles southwest of Altaville near road to Copperopolis.
381
Comment
CAS-BOT-BC289481
Hordeum murinum subsp. leporinum
J. H. Thomas
1953-5-2
3098
Santa Cruz
Sunset Beach State Park
6
Comment
CAS-BOT-BC289482
Hordeum murinum subsp. leporinum
John H. Thomas
1953-5-31
3300
Santa Cruz
Soda Lake area
91
Comment
RSA181230
Hordeum murinum subsp. leporinum
John H. Thomas
1963-5-20
10123
San Mateo
Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz.
Comment
CAS-BOT-BC271326
Hordeum vulgare
J. H. Thomas
1959-1-18
7514
Santa Clara
Near intersection of Stanford Ave. and Bowdoin Street, Stanford University Campus
Comment
CAS-BOT-BC536139
Horkelia californica
J. H. Thomas
1954-6-11
4273
San Mateo
0.8 mile north of Pescadero Creek
60
Comment
CAS-BOT-BC537329
Horkelia cuneata var. cuneata
John H. Thomas
1957-4-27
6670
Los Angeles
Pt. Dume, about 18 miles due W of Santa Monica, coastal bluffs
60
Comment
VVC2433
Hulsea vestita subsp. vestita
Tim Thomas, PJ MacKay
2003-7-14
2984
Inyo
Southern High Sierra, Cottonwood Lakes Basin; midway btw GTC and Windy Gap.
3314
Comment
VVC3240
Hulsea vestita subsp. vestita
Tim Thomas, P. J. MacKay
1996-7-1
1787
Inyo
Southern High Sierra Nevada, Cottonwood Lakes Basin. Windy Gap.
3345
Comment
RSA138216
Hypericum perforatum
John H. Thomas
1954-6-24
4315
Santa Cruz
0.3 miles east of Alba School, along Alba Grade.
457
Comment
UC909470
Hypericum perforatum
J. H. Thomas
1949-6-12
899
Humboldt
ca. 1/2 mi. n. Orleans (near Klamath R.)
Comment
CAS-BOT-BC401230
Hypericum perforatum
J. H. Thomas
1949-6-12
899
Humboldt
Near Klamath River, about 1/2 mile north of town of Orleans
Comment
CAS-BOT-BC312893
Hypochaeris glabra
John H. Thomas
1955-5-21
5177
Napa
Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena
274
Comment
CAS-BOT-BC312900
Hypochaeris glabra
John H. Thomas
1975-4-27
17810 A
San Benito
Pinnacles National Monument. Pinnacles Loop Trail
762
Comment
CAS-BOT-BC319034
Hypochaeris glabra
John H. Thomas
1953-5-23
3166
Santa Cruz
Near summit of Santa Cruz - Los Gatos Highway (#17)
548
Comment
JROH915
Hypochaeris glabra
John H. Thomas
1967-5-10
12859
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA181328
Hypochaeris glabra
John H. Thomas
1965-4-28
10596
Santa Clara
Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto.
Comment Read comments Jan 22 2014
CAS-BOT-BC311508
Hypochaeris radicata
J. H. Thomas
1950-5-6
1830
Santa Cruz
Little Basin
Comment
JROH933
Hypochaeris radicata
John Hunter Thomas
1981-10-25
20775 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on causeway
Comment
RSA195582
Hypochaeris radicata
John H. Thomas
1955-5-10
3133
Santa Cruz
Northern end of Hilton Airport, between airstrip and highway.
244
Comment
CAS-BOT-BC311504
Hypochaeris radicata
John H. Thomas
1960-7-19
8823
Santa Clara
Stanford University Campus. Near Branner Hall
Comment
RSA127080
Iris douglasiana
John H. Thomas
1959-4-4
7656
San Mateo
About 0.7 miles S. of Gazos Creek. About 6.5 miles southward from Pescadero.
46
Comment
CAS-BOT-BC133656
Iris longipetala
John H. Thomas
1955-4-6
4838
San Mateo
East facing slope of San Bruno Mountain just north of South San Francisco
91
Comment
JROH4436
Iris pseudacorus
John Hunter Thomas
1990-6-7
24865
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Edge of lake at boat ramp near bridge over the 2 halves of Searsville Lake.
Comment
CAS-BOT-BC57662
Isoetes bolanderi
H. A. Thomas; J. H. Thomas
1955-9-12
5475
Fresno
Lowermost lake in Pioneer Basin. Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess,
3169
Comment
CAS-BOT-BC57666
Isoetes bolanderi
John H. Thomas
1957-9-2
6862
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek
3139
Comment
RSA133290B
Isoetes bolanderi
John H. Thomas
1957-9-2
6862
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Alt 9000-12000. Vicinity of lowest Lake in Pioneer Basin.
3140
Comment
CAS-BOT-BC61914
Isoetes nuttallii
John H. Thomas
1958-3-1
7018
Santa Cruz
Near Jamison Creek Road and Big Basin - Boulder Creek Highway
243
Comment
JEPS21684
Isolepis cernua
John H. Thomas
1955-7-17
5290
Monterey
along the coast 1.6 mi s Dolan Creek; along the coast s of Dolan Creek
60
Comment
CAS-BOT-BC324747
Iva axillaris
J. H. Thomas
1959-8-27
8090
Santa Clara
About 1 mile southeast of Oak Hill Cemetery along Highway No. 101, San Jose
30
Comment
VVC3172
Ivesia campestris
Tim Thomas, PJ MacKay
2003-7-16
3014
Inyo
Southern High Sierra, Cottonwood Lakes Basin;along main trail blw jct Muir and South Fk Lks
3265
Comment
CAS-BOT-BC142788
Ivesia lycopodioides subsp. megalopetala
John H. Thomas
1962-9-10
9987
Fresno
4th Recess just west of Lower Snow Lake - Sierra Nevada, vicinity of Mono Pass, Pioneer Basin, and upper Mono Creek
3931
Comment
RSA132839
Ivesia muirii
John H. Thomas
1957-9-3
6907
Inyo
Sierra Nevada; Mono Mesa, near the jct of Mono, Inyo, and Fresno Counties.
3659
Comment Read comments Jun 10 2012
JROH2772
Juglans hindsii
John Hunter Thomas
1978-7-14
19262
San Mateo
Jasper Ridge Biological Preserve, Stanford University; to the west of the low flow crossing of San Francisquito Cr.
Comment
CAS-BOT-BC110009
Juncus
J. H. Thomas
1950-4-15
1531
Santa Cruz
Along Pajaro River, just inside of county line in southeast corner of county.
30
Comment
JROH4452
Juncus bufonius var. bufonius
John Hunter Thomas
1978-5-23
19225
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4493
Juncus occidentalis
John Hunter Thomas
1987-5-19
24302
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4495
Juncus occidentalis
John Hunter Thomas
1987-5-26
24314
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA133299
Juncus parryi
John H. Thomas
1957-9-2
6877
Fresno
Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Between lowest lake in Pioneer Basin and Mono Creek.
2744
Comment
UC1133701
Juncus parryi
W. D. Thomas
1935-9-12
481
Tuolumne
0.5 mi s Ireland Lake; Yosemite National Valley, Mt. Lyell Quad.
3413
Comment
VVC3225
Juncus parryi
Tim Thomas
1980-8-1
317
Inyo
Southern High Sierra, Cottonwood Lakes Basin, below Lk 6.
3928
Comment
JROH4502
Juncus patens
John Hunter Thomas
1981-7-12
20687
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA153475
Juncus patens
John H. Thomas
1953-7-28
3541
Santa Cruz
Along Gazos Creek Road about 1/2 mile NW of Big Basin Redwoods State Park Ranger Station headquarters.
366
Comment
RSA187539
Juncus phaeocephalus var. phaeocephalus
John H. Thomas
1950-5-28
1922
Santa Cruz
Hilton Airport.
244
Comment
UCSB68052
Juncus xiphioides
Thomas, Kathryn
1993-9-18
Santa Barbara
southern foothills of the San Rafael Range; Sedgwick Reserve; downslope upper road northeast drainage Figueroa Creek
670
Comment
CAS-BOT-BC81172
Juniperus occidentalis
H. A. Thomas; J. H. Thomas
1954-9-15
4646
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, Fourth Recess, and adjacent Mono Creek.
3657
Comment
VVC2507
Juniperus occidentalis var. australis
Tim Thomas, PJ MacKay
2007-8-12
4190
Inyo
Southern Sierra Nevada, Cottonwood Lakes Basin; lower end in vic of road xing the ck.
3018
Comment
CAS-BOT-BC235612
Keckiella breviflora
J. H. Thomas
1964-5-23
10389 B
Tuolumne
Near O'Shaughnessy Dam, Hetch-Hetchy. Yosemite National Park
1219
Comment
CHSC1856
Keckiella cordifolia
E. Thomas
1940-5-26
Riverside
Temecula Canyon.
Comment Read comments Mar 27 2011
VVC2602
Keckiella rothrockii
Tim Thomas, Archie Meyer
2006-7-11
3905
Inyo
Southern High Sierra, Cottonwood Lakes Basin; east slope of the Mesa.
3076
Comment
RSA140618
Kickxia elatine
John H. Thomas
1960-8-30
8870
Yolo
5 miles S of Winters along Hwy to Vacaville.
Comment
UCR218030
Kickxia elatine
Tim Thomas
2010-7-17
5251
San Luis Obispo
Morro Bay, 3.5 miles from coast, NW of Hollister Peak, vic. of San Luisito and Chorro Creek intersection
27
Comment
RSA133697
Kickxia spuria
John H. Thomas
1954-7-12
4382
Santa Clara
Stanford University. Along Mayfield Ave.
Comment
SD49774
Kickxia spuria
John H. Thomas
1954-7-12
4382
Santa Clara
Stanfor University. Along Mayfield Ave.
Comment
JROH5267
Koeleria macrantha
John H. Thomas
1967-5-12
12868
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA187379
Koeleria macrantha
John H. Thomas
1950-5-13
1835
Santa Cruz
About 1.2 miles SE of Saratoga Summit along Skyline Blvd.
823
Comment
CAS-BOT-BC273770
Koeleria pyramidata
J. H. Thomas
1950-5-14
1885
Santa Cruz
Ben Lomond Sand Hills, near summit of Quail Hollow Road on Ben Lomond side
152
Comment
VVC2985
Krascheninnikovia lanata
Tim Thomas, G Rink, A Schuab
2014-3-24
6184
San Bernardino
Mojave Desert, Johnson Valley; limestone hills just west of Galway Dry Lk.
870
Comment
JEPS24648
Lactuca saligna
John H. Thomas
1960-9-3
8874
Santa Clara
at intersection of Embarcadero and Bayshore Highway; Palo Alto
0
Comment
CAS-BOT-BC340481
Lactuca saligna
John H. Thomas
1958-8-16
7426
Santa Clara
Stanford University Campus. Front of Encina Hall
Comment
CAS-BOT-BC340609
Lactuca serriola
J. H. Thomas
1954-5-26
4212
Santa Cruz
Northern end of Hilton Airport, between airstrip and highway
243
Comment
CAS-BOT-BC340653
Lactuca serriola
John H. Thomas
1955-8-1
5303
Santa Clara
Along Alviso Slough, near South Bay Yacht Club
Comment
RSA135759
Lactuca serriola
John H. Thomas
1954-8-12
4575
Santa Clara
Summit Los Gatos - Santa Cruz Hwy, State Hwy 17, near county line.
610
Comment
CAS-BOT-BC273824
Lamarckia aurea
John H. Thomas
1957-4-27
6696
Los Angeles
Santa Monica Mountains. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles northwest of Pt. Dume. 15 miles due west of Santa Monica
152
Comment
CAS-BOT-BC273907
Lamarckia aurea
John H. Thomas
1961-3-22
9019
Santa Clara
At Edenvale, about 5 miles south-east of San Jose
91
Comment
RSA649912
Larrea tridentata
Kathrine Thomas, Jon Zander
1988-5-6
101
San Bernardino
3.5 miles NE of Kramer Junction (Hwys. 395 an 58 junction). On Fish and Game Land. NE corner of plot.
Comment
CAS-BOT-BC334548
Lasthenia californica
J. H. Thomas
1958-4-18
7107
San Francisco
Corona Heights, San Fransicso
152
Comment
CAS-BOT-BC337923
Lasthenia californica
Hazelle Ann Thomas; John H. Thomas
1956-4-2
5581
El Dorado
Between Placerville and Shingle Springs along U. S. Highway No. 50, 2.2 miles east of Shingle Springs as measured along the highway
457
Comment
CAS-BOT-BC346319
Lasthenia californica
J. H. Thomas
1951-1-28
2527
Santa Cruz
NOrthern end of Hilton Airport between airstrip and Big Basin--Boulder Creek Highway
243
Comment
CAS-BOT-BC346778
Lasthenia californica
John H. Thomas
1956-4-29
5566
Santa Clara
Santa Cruz Mountains; near Guadalupe Creek abvoe resevoir. About 6.5 miles southeast of Los Gatos.
396
Comment
CAS-BOT-BC324422
Lasthenia californica subsp. macrantha
J. H. Thomas
1949-6-4
582
San Mateo
Along coast, 1.4 miles south of road from coast to Pescadero
Comment
RSA131837
Lasthenia glabrata subsp. glabrata
John H. Thomas
1954-4-2
3792
San Mateo
1.5 miles E of center of Redwood City.
0
Comment
CAS-BOT-BC355539
Lasthenia glabrata var. glabrata
John H. Thomas
1956-4-8
5629
San Mateo
Near Bayshore Highway about 2 miles east of Redwood City
Comment
JROH2028
Lathyrus latifolius
John H. Thomas
1962-7-15
9924
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below dam
Comment
CHSC856
Lathyrus vestitus
E. Thomas
1940-4-6
Los Angeles
Spreading grounds for San Antonio river.
Comment
UCSB68214
Lathyrus vestitus
Kathryn Thomas, Lydia Emard, Chris Walden
1993-3-22
SR- 76
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Upper ranch Fork B of Figueroa Creek
548
Comment
UCSB68216
Lathyrus vestitus
Kathryn Thomas, Lydia Emard, Chris Walden
1993-3-22
SR- 76
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Upper ranch Fork B of Figueroa Creek
548
Comment
JROH2033
Lathyrus vestitus var. vestitus
John Hunter Thomas
1978-4-20
19083
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2035
Lathyrus vestitus var. vestitus
John Hunter Thomas
1983-4-14
21404
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam
Comment
CAS-BOT-BC327262
Layia hieracioides
J. H. Thomas
1951-4-1
2571
Monterey
15.4 miles SE of Jamesburg turnoff on road to Greenfield (as measured along road).
Comment
CAS-BOT-BC327469
Layia hieracioides
John H. Thomas
1953-5-2
3085
San Mateo
Sunset Beach State Park, near USG&GS Markers: Park 1931 and Park 2-1931.
15
Comment
CAS-BOT-BC327504
Layia hieracioides
J. H. Thomas
1958-6-11
7223
San Mateo
About 4.3 miles due E of Belmont near Crystal Springs Reservoir.
91
Comment
CAS-BOT-BC379573
Layia platyglossa
J. H. Thomas
1954-5-7
4096
Santa Cruz
On top of ridge between Scott and Mill Creek drianges, about 2.2 miles S - SW of Eagle Rock.
518
Comment
CAS-BOT-BC379575
Layia platyglossa
J. H. Thomas
1953-5-2
3079
Santa Cruz
Sunset Beach State Park, near USG&GS Markers: Park 1931 and Park 2 - 1931.
15
Comment
CAS-BOT-BC379580
Layia platyglossa
John H. Thomas
1953-5-10
1905
Santa Cruz
Northern end of Hilton Airport, open area between highway and airstrip.
243
Comment
JEPS21666
Layia platyglossa
John H. Thomas
1953-5-10
3122
Santa Cruz
n area of Hilton Airport
243
Comment
CAS-BOT-BC379510
Layia platyglossa
J. H. Thomas
1949-4-9
255
Monterey
Near Hopkins Marine Sation. Pacific Grove.
Comment
CAS-BOT-BC382092
Layia platyglossa
John H. Thomas
1969-4-24
14910
San Mateo
Near Canada College, Redwood City, near Farm Hill Drive
Comment
JROH4535
Lemna minor
John Hunter Thomas
1978-7-2
19252
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on dam
Comment
JROH4533
Lemna minor
John H. Thomas
1970-4-4
15539
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Searsville Lake at dam
Comment
CAS-BOT-BC221579
Lepechinia calycina
John H. Thomas
1956-5-2
5711
Santa Clara
Stevens Creek Reservoir. About 6.5 miles south of Mountain View
152
Comment
JROH2792
Lepechinia calycina
John H. Thomas
1973-5-5
16769
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC89130
Lepidium didymum
J. H. Thomas
1958-8-1
7370
San Mateo
About 0.5 mile north of mouth of Pescadero Creek.
0
Comment
CAS-BOT-BC89145
Lepidium didymum
John H. Thomas
1963-5-11
10074
Santa Cruz
Rancho del Oso, Waddell Creek. Along road, about 1 mile inland from the coast.
Comment
RSA176591
Lepidium didymum
John H. Thomas
1961-5-6
9232
Santa Cruz
Rancho del Oso. At the mouth of Waddell Creek.
8
Comment
CAS-BOT-BC89066
Lepidium didymum
John H. Thomas
1958-8-16
7438
Santa Clara
Stanford University Campus. In front of Encina Hall.
Comment
CAS-BOT-BC89121
Lepidium didymum
J. H. Thomas
1961-6-22
9561
San Francisco
San Francisco. In the vicinity of Washington and Sansome Streets.
Comment
CAS-BOT-BC89193
Lepidium draba
John H. Thomas
1959-3-19
7532
San Benito
About 10 miles northwest of Hollister.
60
Comment
CAS-BOT-BC89218
Lepidium draba
J. H. Thomas
1956-4-27
4920
San Mateo
Along Bayshore Highway, east of San Carlos.
Comment
CAS-BOT-BC89235
Lepidium draba
John H. Thomas
1959-8-27
8122
Santa Cruz
Along the levee of the Pajaro River at Watsonville.
Comment
CAS-BOT-BC89226
Lepidium draba
J. H. Thomas
1960-3-27
8559
Santa Clara
Stanford University Campus. Near Sequoia Hall.
Comment
CAS-BOT-BC89228
Lepidium draba
J. H. Thomas
1964-4-5
10297
Santa Clara
Stanford University Campus. Along Stanford Avenue near Cornell Street.
Comment
RSA651745
Lepidium fremontii
Katherine Thomas
1988-3-9
7
San Bernardino
3.5 miles NE of Kramer Junction (Hwys. 395 and 58 junction). On Fish and Game land.
Comment
CAS-BOT-BC12492
Lepidium nitidum
John H. Thomas
1970-4-15
15550
Merced
About 11 miles northeast of Gustine along highway 140 near Bridge 39-91 over slough near San Joaquin River.
Comment
CAS-BOT-BC12622
Lepidium nitidum
Hazelle A. Thomas; John H. Thomas
1955-4-2
4792
Santa Clara
Near intersection of Story Road and Bayshore Highway, near San Jose Airport, about 3 miles from center of San Jose.
15
Comment
CAS-BOT-BC12626
Lepidium nitidum
John H. Thomas
1974-5-4
17277
Santa Clara
Mount Hamilton Range. About 1 mile due W of Mount Hamilton Observatory and about 12.5 miles E of the center of San Jose.
914
Comment
CAS-BOT-BC12640
Lepidium nitidum
J. H. Thomas
1950-4-9
1484
Santa Cruz
Along cliff near corner of Cliff Drive and David Walk neaer ocean. Santa Cruz.
12
Comment
JROH1552
Lepidium nitidum
John Hunter Thomas
1983-2-21
21283
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SD49784
Lepidium oxycarpum
John H. Thomas
1959-3-19
7531
San Benito
Ca. 10 miles northwest of Hollister.
60
Comment
CAS-BOT-BC12946
Lepidium strictum
John H. Thomas
1966-4-12
11556
San Mateo
East Palo Alto. Along sidewalks near Woodland Avenue and University Avenue.
Comment
CDA23619
Leptochloa uninervia
A. Thomas, Mark A. Elvin
2006-9-23
609233
Orange
Southern Coastal; San Joaquin Marsh Freshwater Marsh, UC Natural Reserve; southwest edge, along San Diego Creek, north of University Drive, east of Highway 73.
Comment
JROH3176
Leptosiphon androsaceus
John Hunter Thomas
1986-5-17
24055
San Mateo
Jasper Ridge Biological Preserve, Stanford University; creek trail downstream from Rattlesnake Rock
Comment
CHSC1273
Leptosiphon parviflorus
E. Thomas
1940-5-26
San Diego
Sentenac Canyon near Julian.
Comment
JROH3188
Leptosiphon parviflorus
John H. Thomas
1955-5-6
5003
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3194
Leptosiphon parviflorus
John Hunter Thomas
1990-4-19
24810
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Searsville end of large open grassland
Comment
JROH1007
Lessingia glandulifera var. glandulifera
John H. Thomas
1961-6-7
9532
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1023
Lessingia glandulifera var. glandulifera
John Hunter Thomas
1983-7-7
22823
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1025
Lessingia glandulifera var. glandulifera
John Hunter Thomas
1986-6-9
24095
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA210924
Lessingia hololeuca
John H. Thomas
1969-10-19
15479
San Mateo
Near Canada College, Redwood City, just off of Farm Hill Blvd.
Comment
RSA176749
Lessingia tenuis
John H. Thomas
1963-5-15
10091
San Mateo
Jasper Ridge Biological Experimental Area. 5 miles SW of Palo Alto
Comment
CAS-BOT-BC342075
Leucanthemum maximum
John H. Thomas
1963-8-11
10242
Santa Cruz
Waddell Creek, about 2.3 miles up from the coast near abandoned cabins
Comment
RSA176665
Leucanthemum maximum
John H. Thomas
1961-7-2
9589
Santa Clara
Palo Alto, San Mateo, Santa Clara County line along San Francisquito Creek between University Ave and Newell Road. alt near sea level
0
Comment
CAS-BOT-BC233810
Lewisia
J. H. Thomas
1961-7-30
9636
Tuolumne
Area to the east of Tioga Pass, Yosemite National Park
3200
Comment
CAS-BOT-BC451680
Lilaea scilloides
J. H. Thomas
1959-4-5
7662
Santa Clara
Stanford University Campus. Near intersection of Stanford Ave. and El Camino.
15
Comment
JROH4688
Lilium pardalinum subsp. pardalinum
John Hunter Thomas
1985-4-22
23541
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4057
Limosella acaulis
John Hunter Thomas
1981-7-12
20709
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
VVC1605
Linanthus nuttallii
Tim Thomas, Archie Meyer
2006-8-10
4019
Mono
White Mountains, Just west of the UC Crooked Creek Research Station, Archies study plot site.
3149
Comment
PGM511
Linaria vulgaris
John H. Thomas
1967-4-9
Monterey
Salinas Valley, Gonzales, 0.5 mi N along Highway 101 alternate
Comment
CAS-BOT-BC36049
Lithocarpus densiflorus var. densiflorus
J. H. Thomas
1950-9-30
2431
Santa Cruz
Near summit of Opal Creek Road, Big Basin Redwood State Park
518
Comment
CAS-BOT-BC432287
Lithophragma affine
J. H. Thomas
1954-4-30
4045
Santa Cruz
N end of Hilton Airport, between airstrip and highway
243
Comment
CAS-BOT-BC430584
Lithophragma affine
John H. Thomas
1949-4-18
303 A
San Luis Obispo
Graves Creek Bridge near Palo Robles
Comment
JROH3891
Lithophragma affine
John Hunter Thomas
1983-4-5
21318
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below rattlesnake rock
Comment
RSA159426
Lithophragma heterophyllum
John H. Thomas
1961-5-14
9361
San Mateo
Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve.
152
Comment
CAS-BOT-BC435669
Lithophragma heterophyllum
J. H. Thomas
1950-5-6
1794
Santa Cruz
Near Bridge 36-08 between Hilton Airport and town of Boulder Creek. North side of Boulder Creek on grassy open area.
Comment
CAS-BOT-BC60186
Lobularia maritima
J. H. Thomas
1956-9-29
5456
Los Angeles
Pasadena. Behind Devils Gate Dam.
Comment
CAS-BOT-BC342267
Logfia filaginoides
John H. Thomas
1978-4-23
19117
San Benito
Pinnacles National Monument. High Peaks, Condor Gulch, Bear Gulch trail loop
762
Comment
CAS-BOT-BC342469
Logfia gallica
J. H. Thomas
1954-5-28
4234
San Mateo
East facing slope of San Bruno Mountain, just north of South San Francisco
91
Comment
JROH740
Logfia gallica
John Hunter Thomas
1981-5-8
20552
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC283258
Lolium multiflorum
Hazelle A. Thomas; John H. Thomas
1955-4-2
4791
Santa Clara
Pasture near intersection of Story Rd and Bayshore Highway, near San Jose Airport, about 3 miles from center of San Jose
Comment
CAS-BOT-BC283276
Lolium multiflorum
John H. Thomas
1950-6-10
1974
Santa Cruz
Pajaro River at Watsonville Bridge
Comment
CAS-BOT-BC269139
Lolium perenne
J. H. Thomas
1954-5-26
4204 A
Santa Cruz
Northern end of Hilton Airport, between airstrip and highway
243
Comment
CAS-BOT-BC269141
Lolium perenne
J. H. Thomas
1949-10-23
1179
Santa Cruz
Along coast at western end of Cliff Drive, Santa Cruz
Comment
CAS-BOT-BC269142
Lolium perenne
J. H. Thomas
1953-7-29
3573
Santa Cruz
Northern end of Hilton Airport, open area between highway and airstrip
243
Comment
RSA136072
Lolium perenne subsp. multiflorum
John H. Thomas
1956-5-19
5729
Santa Clara
Stanford University Campus, Along Escondido Ave.
15
Comment
CAS-BOT-BC269180
Lolium temulentum
John H. Thomas
1955-5-5
4960
Santa Clara
Hills near Oak Hill Memorial Cemetery, 3 miles southeast of the center of San Jose
91
Comment
JROH263
Lomatium dasycarpum subsp. dasycarpum
John H. Thomas
1973-4-20
16582
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
VVC2086
Lomatium dissectum var. multifidum
Tim Thomas, P. J. MacKay
2011-6-18
5442
San Bernardino
San Bernardino Mtns, On the west side of FS2N33 xing Grass Valley Ck
1460
Comment
JROH275
Lomatium macrocarpum
John H. Thomas
1963-3-20
10026
San Mateo
Jasper Ridge Biological Preserve, Stanford University; serpentine area on north side of ridge near Westridge end
Comment
UC1125227
Lonicera conjugialis
W. D. Thomas
1935-7-2
150
Alpine
w Ebbett's Pass; Stanislaus National Forest, Markleeville Quadrangle
Comment
CAS-BOT-BC240629
Lonicera hispidula
J. H. Thomas
1954-6-24
4321
Santa Cruz
Near intersection of Empire Grade and Jamison Road
609
Comment
JROH1652
Lonicera hispidula
John H. Thomas
1970-7-5
15664
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSB68199
Lonicera involucrata
Thomas, Kathryn
1994-6-25
Santa Barbara
Southern foothills of the San Rafael Range, Sedgwick Reserve, stream banks below the Pistol Club
490
Comment
CAS-BOT-BC241553
Lonicera involucrata var. ledebourii
John H. Thomas
1958-7-15
7342
San Francisco
San Francisco. West slope of Mt. Sutro
182
Comment
RSA181234
Lonicera involucrata var. ledebourii
John H. Thomas
1964-6-19
10429
San Mateo
0.9 miles S of Tunitas Creek near Coast Hwy,
61
Comment
CAS-BOT-BC198533
Lotus
John H. Thomas
1957-4-6
6607
San Bernardino
1.4 miles n orth of Yucca Valley on road to Lucerne Valley, about 19 miles west of town of Twentynine Palms, Mojave Desert
914
Comment
CAS-BOT-BC198586
Lotus
John H. Thomas
1975-4-27
17811
San Benito
Pinnacles Loop Trail, Pinnacles National Monument
762
Comment
CAS-BOT-BC200979
Lotus
John H. Thomas
1960-5-21
8729
Tuolumne
Near Buck Meadow along highway 120 on Big Oak Flat Road to Yosemite
914
Comment
UC1236500
Lotus corniculatus
John H. Thomas
1955-8-1
5321
Santa Clara
Alviso
Comment
UCD106732
Lotus corniculatus
John H. Thomas
1958-6-13
7242
Santa Clara
Near North Gate at Moffett Field near Mountain View.
Comment
UC1236517
Lotus crassifolius var. crassifolius
John H. Thomas
1956-5-2
5698
Santa Clara
about 5 mi s Los Altos; Monte Bello Ridge
792
Comment
RSA131354
Lotus formosissimus
John H. Thomas
1950-4-23
1670
Santa Cruz
Bog at Camp Evers.
152
Comment
VVC2850
Lotus micranthus
Tim Thomas, George Ross II & III
2014-4-23
6268
San Luis Obispo
South Coast Range, Irish Hills, 0.2 miles below Glenrose Spring along Coon Ck.
277
Comment
UC1244701
Lotus purshianus var. purshianus
John H. Thomas
1959-8-27
8117
Santa Cruz
about 3.5 mi ne Watsonville (just sw of Santa Cruz County Fair Grounds, along Hecker Highway)
30
Comment
RSA131378
Lotus scoparius var. scoparius
John H. Thomas
1953-7-14
3445
Santa Cruz
About 1.5 miles south of Bielawski Lookout as measured by the road.
701
Comment
UC1236513
Lotus stipularis var. stipularis
J. H. Thomas
1954-4-30
4019
Santa Cruz
about 2.3 mi ssw Eagle Rock (w side of Mill Creek drainage); Mill Creek
457
Comment
VVC1950
Lotus strigosus
Tim Thomas, PJ MacKay
2001-5-5
2515
San Bernardino
San Bernardino Mtns, vic. Rock Springs below Juniper Flats
1189
Comment
VVC2923
Lotus strigosus
Tim Thomas, P. J. MacKay
2010-4-13
5078
San Bernardino
San Bernardino Mtns., Whitewater River; Catclaw Flats
1104
Comment
RSA132398
Lotus strigosus var. strigosus
John H. Thomas
1953-3-23
2887
Santa Cruz
About 1 miles north of Highway 17, along Glenwood Highway.
152
Comment
CAS-BOT-BC60239
Lunaria annua
John H. Thomas
1960-4-12
8579
Santa Cruz
Near summit of Hillside Drive, Ben Lomond.
182
Comment
CAS-BOT-BC201268
Lupinus
John H. Thomas
1949-4-20
328
San Diego
Entrance to Borrego Valley from Banner Canyon, about 3 miles east of Banner
Comment
CAS-BOT-BC201259
Lupinus
John H. Thomas
1979-4-30
19518
San Benito
Pinnacles National Monument. Visitors' Center to intersection of Rim Trail and High Peaks Trail via Bear Gulch Reservoir
Comment
CAS-BOT-BC195931
Lupinus albifrons var. albifrons
J. H. Thomas
1950-4-23
1659
Santa Cruz
Ben Lomond Sand Hills, along Quail Hollow Road
152
Comment
CAS-BOT-BC195937
Lupinus albifrons var. albifrons
J. H. Thomas
1955-3-21
4708
Santa Cruz
About 5 miles below Saratoga Summit as measured along Calif. State Highway #9
457
Comment
CAS-BOT-BC196105
Lupinus albifrons var. collinus
John H. Thomas
1955-4-6
4883
San Francisco
North peak, Twin Peaks
274
Comment
JROH2116
Lupinus bicolor
John H. Thomas
1977-4-8
18518
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2118
Lupinus bicolor
John Hunter Thomas
1984-4-2
23273 3 H
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Westridge fence
Comment
CAS-BOT-BC196651
Lupinus breweri var. breweri
John H. Thomas
1963-7-24
10207
Mariposa
About 1 mile along Forsythe Trail south of Tenaya Lake
2438
Comment
RSA195677
Lupinus densiflorus var. palustris
John H. Thomas
1953-5-30
3261
Santa Cruz
Along Southern Pacific RR tracks
91
Comment
CLARK-A346-5
Lupinus horizontalis
Loraine Thomas
Kern
Bakersfield State Highway, Bakersfield area; Gosford 7.5'Q
Comment
VVC2760
Lupinus latifolius
Tim Thomas
2008-7-25
4542
Inyo
Southern Sierra Nevada Mtns., Along Cottonwood Creek below vicinity of road crossing the creek and above confluence with Horseshoe Mdw fork. Near the old pack station.
2896
Comment
JROH5865
Lupinus nanus
John H. Thomas
1975-4-5
17716 B
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA651741
Lupinus odoratus var. odoratus
Katherine Thomas, Jon Zander
1988-5-6
110
San Bernardino
3.5 miles NE of Kramer Junction (Hwys. 395 an 58 junction). On Fish and Game Land. NE corner of plot.
Comment
CHSC911
Lupinus sparsiflorus
E. Thomas
1940-4-13
Los Angeles
Claremont.
353
Comment
VVC1945
Lupinus sparsiflorus
Tim Thomas, PJ MacKay
2001-5-5
2508
San Bernardino
San Bernardino Mtns, vic. Rock Springs below Juniper Flats
1189
Comment
JROH4526
Luzula comosa var. comosa
John H. Thomas
1973-3-12
16494
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4529
Luzula comosa var. comosa
John Hunter Thomas
1982-3-12
20805
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC1133763
Luzula divaricata
W. D. Thomas
1935-9-15
493
Mariposa
near Emeric Lake; Mt. Lyell Quad., near Emeric Lake
Comment
CAS-BOT-BC441287
Luzula macrantha
John H. Thomas
1953-3-23
2875
Santa Cruz
Saint Mary of the Palms, summer girls' camp near Glenwood
304
Comment
CAS-BOT-BC231966
Luzula orestera
H. A. Thomas; J. H. Thomas
1955-9-8
5389
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Near lowest lake in 4th Recess
3048
Comment
CAS-BOT-BC441370
Luzula subsessilis
John H. Thomas
1965-4-29
10611
San Mateo
San Bruno Mountain in northern part of county.
396
Comment
RSA132437
Lycium barbarum
John H. Thomas
1955-4-2
4750
Santa Clara
Along Alviso Slough, near South Bay Yacht Club, Alviso.
0
Comment
CAS-BOT-BC237787
Lycium pallidum var. oligospermum
J. H. Thomas; H. A. Thomas
1954-3-24
473
Inyo
About 10 miles north and east of Trona, Mojave Desert
731
Comment
JROH3363
Lysimachia arvensis
John H. Thomas
1967-5-12
12883
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2952
Lythrum hyssopifolia
John Hunter Thomas
1981-7-12
20688
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near boat dock
Comment
RSA0011334
Lythrum hyssopifolia
John H. Thomas
1954-5-28
4242
San Mateo
East facing slope of San Bruno Mountain, just north of South San Francisco.
30
Comment
UC1190031
Lythrum hyssopifolia
J. H. Thomas
1954-5-28
4242
San Mateo
just n of South San Francisco (San Bruno Mountain); San Bruno Mountain
30
Comment
CAS-BOT-BC342607
Madia
John H. Thomas
1969-9-20
15469
Sonoma
About 2 miles north along highway no. 1 from Russian Gulch
304
Comment
RSA137297
Madia capitata
John H. Thomas
1953-7-14
3463
Santa Cruz
Northern end of Hilton Airport between highway and airstrip
244
Comment
CAS-BOT-BC334767
Madia elegans
H. A. Thomas; J. H. Thomas
1955-7-17
5264
Monterey
Vicinity of Nacimiento Summit, Santa Lucia Mountains
914
Comment
CAS-BOT-BC343948
Madia elegans
John H. Thomas
1950-11-12
2491
Santa Cruz
Soquel - San Jose Road at Terrace Grove Ranch, near Hester School
419
Comment
JROH1052
Madia exigua
John H. Thomas
1978-5-16
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA124756
Madia exigua
John H. Thomas
1958-5-10
7141
San Mateo
Jasper Ridge. About 5 miles SW of Palo Alto.
152
Comment
CAS-BOT-BC342972
Madia gracilis
John H. Thomas
1961-5-21
9435
Calaveras
Vallecito
533
Comment
JROH1073
Madia gracilis
John H. Thomas
1972-5-5
16080
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1083
Madia gracilis
John Hunter Thomas
1983-7-7
22820
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1093
Madia gracilis
John Hunter Thomas
1988-5-25
24488
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near low flow crossing
Comment
JROH1095
Madia gracilis
John Hunter Thomas
1992-5-5
25215
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam and vicinity
Comment
RSA137344
Madia gracilis
John H. Thomas
1953-6-13
3325
Santa Cruz
Mt. Charley Road, about 0.4 miles west of summit of Santa Cruz-Los Gatos Highway.
595
Comment
RSA137293
Madia madioides
John H. Thomas
1950-5-13
1856
Santa Cruz
About 3.1 miles down Bear Creek Road from its summit.
457
Comment
CAS-BOT-BC345140
Madia sativa
John H. Thomas
1961-8-27
9695
San Mateo
Colma. Open sandy field near intersection of El Camino Real and F Street
45
Comment
JEPS21664
Madia sativa
J. H. Thomas
1954-8-12
4566
Santa Cruz
4 mi n Santa Cruz (near railroad tracks at Rincon); Rincon
60
Comment
JROH1100
Madia sativa
John H. Thomas
1971-8-7
16020
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA176607
Madia sativa
John H. Thomas
1961-8-27
9695
San Mateo
Colma; open sandy field near intersection of El Camino Real and F Street
46
Comment
JROH1113
Madia sativa
John Hunter Thomas
1988-6-6
24511
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Lakeside Laboratory
Comment
CAS-BOT-BC511332
Maianthemum dilatatum
John H. Thomas
1961-5-7
9288
San Mateo
San Bruno Mountain in northern part of county
396
Comment
JROH4698
Maianthemum racemosum
John Hunter Thomas
1985-4-22
23544
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4696
Maianthemum racemosum
John H. Thomas
1979-4-8
19443
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC511374
Maianthemum racemosum subsp. amplexicaule
John Hunter Thomas
1954-3-5
3746
Santa Cruz
Two miles west of intersection of Alba Road and State Highway 9, along Alba Road, about 100 yards east along road from Alba School
457
Comment
JROH4711
Maianthemum stellatum
John Hunter Thomas
1978-4-28
19160
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC514157
Maianthemum stellatum
J. H. Thomas
1949-4-14
272
San Mateo
King's Mountain
Comment
UCR240519
Malacothamnus fremontii
Tim Thomas
2008-9-14
4576
Inyo
Sierra Nevada Mountains, Onion Valley Road just above Grays Meadow
2178
Comment
CAS-BOT-BC324546
Malacothrix
John H. Thomas
1967-4-10
12608
Fresno
Jacalitos Hills, eastern margin of the Inner Coast Range between Warthan and Jacalitos Creeks about 2-5 miles southward from Coalinga
304
Comment
CAS-BOT-BC347574
Malacothrix floccifera
J. H. Thomas
1962-7-18
9933
Santa Cruz
Quail Hollow Road, Ben Lomond Sand Hills east of Felton
91
Comment
CAS-BOT-BC347578
Malacothrix floccifera
John H. Thomas
1956-7-2
6031
Santa Cruz
Ben Lomond Sand Hills
304
Comment
RSA124778
Malacothrix floccifera
John H. Thomas
1950-4-23
1658
Santa Cruz
Ben Lomond Sand Hills, along Quail Hollow Road.
152
Comment
RSA187240
Malva nicaeensis
John H. Thomas
1954-4-23
3990
Santa Clara
Along Los Gatos Reservoir about 3-1/2 miles south of Los Gatos in vicinity of Alma.
213
Comment
RSA134110
Marah fabacea
John H. Thomas
1953-5-2
3070
Santa Cruz
Sunset Beach State Park.
Comment
RSA133968
Marah horrida
John H. Thomas
1959-3-25
7639
Kern
Kern River Canyon between Bodfish and Miracle Hot Springs.
762
Comment
CAS-BOT-BC71077
Marsilea vestita
John H. Thomas
1970-4-15
15559
Merced
About 11 miles northeast of Gustine along highway 140 near Bridge 39-91 over slough near San Joaquin River
Comment
CAS-BOT-BC348083
Matricaria discoidea
J. H. Thomas
1965-5-22
10661
Tuolumne
Near dam at Hetch-Hetchy Reservoir
Comment
CAS-BOT-BC348191
Matricaria discoidea
John H. Thomas
1960-6-25
8791 A
San Mateo
Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street
7
Comment
RSA134105
Meconella californica
John H. Thomas
1953-3-24
2917
Santa Cruz
Grassy meadow on northern side of Boulder Creek near intersection of Jamison Road and Big Basin - Boulder Creek Highway, about 2.5 miles northwest of town of Boulder Creek.
274
Comment
JROH2154
Medicago arabica
John Hunter Thomas
1990-5-8
24853
San Mateo
Jasper Ridge Biological Preserve, Stanford University; low-flow crossing
Comment
RSA60503
Medicago lupulina
John H. Thomas
1949-6-16
942 A
Siskiyou
Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest.
Comment
JROH2166
Medicago polymorpha
John H. Thomas
1973-3-12
16481
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2168
Medicago polymorpha
John H. Thomas
1974-4-19
17161
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA187217
Medicago sativa
John H. Thomas
1950-9-24
2423
Santa Cruz
2.5 m iles from Palm Beach on road to watsonville.
Comment
CAS-BOT-BC280933
Melica imperfecta
John H. Thomas
1960-5-1
8641
Santa Clara
Montalvo, near Saratoga
152
Comment
JROH5307
Melica imperfecta
John Hunter Thomas
1984-4-12
23296
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Path below dam in oak woodland.
Comment
RSA129337
Melica stricta
W. D. Thomas
1935-7-2
139
Alpine
1.25 miles N of Ebbet Pass
2409
Comment
VVC2139
Melica stricta
Tim Thomas, P. J. MacKay
2012-6-8
5659
San Bernardino
San Bernardino Mtns, Along FS 1N05 0.9 road miles from Coon Ck Jct.
2189
Comment
CAS-BOT-BC262544
Melica torreyana
John H. Thomas
1953-5-10
3110
Santa Cruz
About 1 mile toward Saratoga Summit from intersection of State Highway 9 and Big Basin Road
457
Comment
CAS-BOT-BC264228
Melica torreyana
John H. Thomas
1982-6-27
21042
San Benito
Visitors' Center to Reservoir, Pinnacles National Monument
Comment
CAS-BOT-BC264246
Melica torreyana
John H. Thomas
1965-4-29
10620
San Mateo
San Bruno Mountain in northern part of county
396
Comment
CDA23577
Melilotus albus
A. Thomas, Mark A. Elvin
2006-9-23
609236
Orange
Southern Coastal; San Joaquin Marsh Freshwater Marsh, UC Natural Reserve; southwest edge, along San Diego Creek, north of University Drive, east of Highway 73.
Comment
JROH2806
Mentha pulegium
John H. Thomas
1959-8-22
8079
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2808
Mentha pulegium
John H. Thomas
1974-10-26
17627
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2811
Mentha pulegium
John H. Thomas
1978-9-24
19338
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along Searsville Lake
Comment
RSA135752
Mentha spicata
John H. Thomas
1957-8-30
6847
Santa Clara
Stanford University Campus; SE corner of Lake Lagunita.
23
Comment
CAS-BOT-BC223708
Mentzelia
John H. Thomas
1957-3-30
6551
Riverside
8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert
426
Comment
VVC2998
Mentzelia involucrata
Tim Thomas, G Rink, A Schuab
2014-3-24
6180 A
San Bernardino
Mojave Desert, Johnson Valley; limestone hills just west of Galway Dry Lk.
870
Comment
UCR209068
Mentzelia montana
Tim Thomas, P. J. MacKay
2004-5-8
3334
San Bernardino
San Bernardino Mountains, above [south of] Cactus Flat, west of Hwy 18
1991
Comment Read comments May 5 2012
VVC1995
Mentzelia montana
Tim Thomas, PJ MacKay
2004-5-8
3334
San Bernardino
San Bernardino Mtns, Abv Cactus Flats, west of Hwy 18
1991
Comment
VVC2999
Mentzelia obscura
Tim Thomas, P. J. MacKay
2014-4-3
6245
San Bernardino
Mojave Desert, Northern Johnson Valley, 1.6 miles NW of Bessemer Mine, wash btw Iron and Rodman Mtns.
1034
Comment
VVC3000
Mentzelia obscura
Tim Thomas, G Rink, A Schuab
2014-3-25
6230
San Bernardino
Mojave Desert, Johnson Valley; north slope mountain 3.5 miles West of Galway Dry Lk.
979
Comment
CAS-BOT-BC167641
Mentzelia veatchiana
John H. Thomas
1957-4-6
6631
San Bernardino
Mojave Desert. 1.4 miles north of Yucca Valley on road to Lucerne Valley. About 19 miles west of town of Twentynine Palms
914
Comment
CAS-BOT-BC428617
Micranthes bryophora
H. A. Thomas; J. H. Thomas
1955-9-13
5481
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Alt. 9,000 - 12,900 feet. Between lowest and 2nd groups of lakes in 4th Recess. Alt. 10000 to 10800 ft.
3931
Comment
CAS-BOT-BC428947
Micranthes californica
J. H. Thomas
1965-4-20
10578
Santa Cruz
Near Lime Kilns [Limekiln] along Fall Creek, about 1 1/2 miles west of Felton.
Comment
CAS-BOT-BC432873
Micranthes tolmiei
H. A. Thomas; J. H. Thomas
1955-9-10
5455
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Alt. 9,000 and 12,900 feet. Along shore of Golden Lake. Altitude about 11000 feet.
3931
Comment
CAS-BOT-BC432880
Micranthes tolmiei
John H. Thomas
1957-9-3
6921
Inyo
Sierra Nevada. Mono Mesa, near the junction of Mono, Inyo, and Fresno Counties.
3718
Comment
CAS-BOT-BC322592
Micropus
John H. Thomas
1978-4-23
19112
San Benito
High Peaks, Condor Gulch, Bear Gulch Trail loop, Pinnacles National Monument
762
Comment
RSA176742
Micropus californicus
John H. Thomas
1963-5-12
10086
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto
Comment
CAS-BOT-BC348341
Micropus californicus
John H. Thomas
1973-4-23
16621
San Benito
Pinnacles National Monument. Rim Trail from Bear Gulch Reservoir to High Peaks Trail
502
Comment
CAS-BOT-BC348541
Micropus californicus var. californicus
John H. Thomas
1955-5-21
5145
Napa
Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa
274
Comment
CAS-BOT-BC348542
Micropus californicus var. californicus
John H. Thomas
1955-5-21
5166
Napa
Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena
274
Comment
CAS-BOT-BC348644
Micropus californicus var. californicus
J. H. Thomas
1965-5-22
10662
Tuolumne
Near dam at Hetch-Hetchy Reservoir
Comment
CAS-BOT-BC348728
Microseris bigelovii
J. H. Thomas
1953-5-31
3272
Santa Cruz
Sunset Beach State Park
6
Comment
RSA133909
Microseris bigelovii
John H. Thomas
1954-5-7
4094
Santa Cruz
On top of ridge between Scott and Mill Creek drainages, about 2.2 miles S-SW of Eagle Rock.
518
Comment
SD49781
Microseris bigelovii
J. H. Thomas
1954-5-7
4094
Santa Cruz
On top of ridge between Scott and Mill Creek drainages; about 2.2 miles southsouthwest of Eagle Rock
519
Comment
CAS-BOT-BC349031
Microseris douglasii subsp. douglasii
John H. Thomas
1961-5-7
9259
San Mateo
San Bruno Mountain in northern part of county
396
Comment
CAS-BOT-BC349056
Microseris douglasii subsp. douglasii
Hazelle A. Thomas; John H. Thomas
1955-4-2
4803
Santa Clara
Pasture near intersection of Story Road and Bayshore Highway, near San Jose Airport, about 3 miles from center of San Jose
15
Comment
JROH1143
Microseris douglasii subsp. douglasii
John H. Thomas
1967-5-10
12853
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1145
Microseris douglasii subsp. douglasii
John Hunter Thomas
1980-5-8
19958
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1151
Microseris douglasii subsp. douglasii
John Hunter Thomas
1992-5-5
25211
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SD49798
Microseris douglasii subsp. douglasii
J. H. Thomas
1958-5-1
7128
Santa Clara
Stanford University Campus.
24
Comment
CAS-BOT-BC349032
Microseris douglasii subsp. douglasii
John H. Thomas
1969-4-24
14903
San Mateo
Near Canada College, Redwood City, near Farm Hill Drive
Comment
CAS-BOT-BC349078
Microseris douglasii subsp. douglasii
J. H. Thomas
1964-3-24
10285
Stanislaus
About 5 mi se from Patterson. Near Oak Flat Road, R7E T6S, Patterson Quad. Eastern margin of the Inner Coast Range
Comment
JROH3218
Microsteris gracilis
John H. Thomas
1968-3-17
14180 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5921
Microsteris gracilis
John H. Thomas
1982-3-12
20804
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near [Escobar horse trail gate] fence.
Comment
RSA119159
Microsteris gracilis subsp. humilis
John H. Thomas
1950-4-11
1516
Santa Cruz
Near Bielawski Lookout Station
1006
Comment
JROH4076
Mimulus aurantiacus var. aurantiacus
John H. Thomas
1978-5-16
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
VVC2176
Mimulus bigelovii
Tim Thomas, P. J. MacKay
1997-6-20
1807
Tulare
Kern Plateau, Monanche Mdw, just south of Monanche Mtn. Summers Ridge vic of road.
2439
Comment
JROH4078
Mimulus cardinalis
John H. Thomas
1961-6-14
9544
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam
Comment
UCSB68340
Mimulus guttatus
Thomas, Kathryn; Emard, Lydia; Walden, Chris
1993-3-22
Santa Barbara
Southern foothills of the San Rafael Range; Sedgwick Reserve; upper ranch; Fork B of Figueroa Creek
670
Comment
YM-YOSE60039
Mimulus guttatus
W. D. Thomas
1935-8-25
400
Tuolumne
1/2 MILE SW OF SUMMIT LAKE.
3139
Comment
VVC2607
Mimulus leptaleus
Tim Thomas
1983-7-26
631
Inyo
Southern High Sierra, Cottonwood Lakes Basin; between Muir and Hidden Lakes
3433
Comment
VVC2608
Mimulus leptaleus
Tim Thomas, P. J. MacKay
2006-7-11
3900
Inyo
Southern High Sierra, Cottonwood Lakes Basin; New Army Pass and South Fork tr jct.
3345
Comment
RSA181250
Mimulus moschatus
John H. Thomas
1961-8-13
9667
Santa Cruz
Along Fall Creek about 2 miles west of Felton.
152
Comment
VVC2609
Mimulus nanus var. mephiticus
Tim Thomas
1982-8-9
527
Inyo
Southern High Sierra, Cottonwood Lakes Basin, route to Windy Gap above Camp
3296
Comment
VVC2611
Mimulus nanus var. mephiticus
Tim Thomas
1983-7-26
629
Inyo
Southern High Sierra, Cottonwood Lakes Basin; between Muir and Hidden Lakes
3433
Comment
VVC1655
Mimulus palmeri
Tim Thomas, PJ MacKay, RT Hawke
2004-6-20
3412
San Bernardino
San Bernardino Mtns, Little Bear Ck [just east of Lk Arrowhead] upstream from FS Rd 2N26Y.
1433
Comment
UC1063056
Mimulus tilingii
W. D. Thomas
1935-8-25
400
Tuolumne
1/2 mi sw Summit Lake; Yosemite National Park, Bridgeport Quadrangle
Comment
VVC2568
Mimulus tilingii
Tim Thomas
1990-8-5
1408
Inyo
Southern High Sierra, Cottonwood Lakes Basin; vic Golden Trout Camp near spring box
3110
Comment
VVC2569
Mimulus tilingii
Tim Thomas, P. J. MacKay
2000-6-27
2432
Inyo
Southern High Sierra, Cottonwood Lakes Basin; South Fk Ck just below old log cabin/shelter.
3114
Comment
VVC2570
Mimulus tilingii
Tim Thomas
1991-8-8
1469
Inyo
Southern High Sierra., Cottonwood Basin. Above High Lake.
3518
Comment
JROH1703
Minuartia douglasii
John Hunter Thomas
1981-4-29
20512
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1705
Minuartia douglasii
John Hunter Thomas
1982-4-28
20875
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC481926
Minuartia rubella
John H. Thomas; Hazelle A. Thomas
1956-7-21
6182
Placer
Sierra Nevada, vicinity of Donner Pass, about 80 mi NE of Sacramento
2377
Comment
CAS-BOT-BC384011
Mirabilis jalapa
J. H. Thomas
1959-8-27
8087
Santa Clara
Vacant lot near corner of El Camino Real and San Antonio Rd. Los Altos
7
Comment
CAS-BOT-BC432906
Mitella
John H. Thomas
1963-7-24
10217
Mariposa
Yosemite National Park. E slope of Sunrise Mt. near S end of Long Meadow.
2895
Comment
CAS-BOT-BC432945
Mitella breweri
H. A. Thomas; J. H. Thomas
1955-9-9
5413
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Bsain, 4th Recess, and adjacent Mono Creek. Alt. 9,000 - 12,900 feet. Along Mono Creek between 3rd and 4th Recesses. Altitude about 10000 feet.
3931
Comment
VVC2559
Monardella beneolens
Tim Thomas
1988-8-3
1286
Inyo
Southern High Sierra Nevada, Cottonwood Lakes Basin Watershed. North shore Jenny Lake.
3238
Comment
VVC1920
Monardella boydii
Tim Thomas, P. J. MacKay, A. C. Sanders, M. Elvin
2007-10-6
4291
San Bernardino
Mojave Desert, North slope Ord Mtn, in wash below Willow Spring;10 air miles S of Hwy 40 and 0.9 mi. north of pipeline road.
1460
Comment
UCR261838
Monardella linoides
Tim Thomas, P. J. MacKay
2012-6-8
5661
San Bernardino
San Bernardino Mountains, Forest Service Road 1N05 east of Upper Fish Creek trail head. Ridge dividing north and south forks of Mission Creek. Small spur road to flattened knoll.
2601
Comment
VVC2557
Monardella odoratissima subsp. glauca
Tim Thomas
1985-8-16
832
Inyo
Southern High Sierra, Cottonwood Lakes Basin. Between and south of Muir and Hidden Lks
3322
Comment
CAS-BOT-BC220186
Monardella sinuata subsp. nigrescens
John H. Thomas
1956-6-24
6016
Santa Cruz
Near summit of Quail Hollow Road
304
Comment
CAS-BOT-BC214139
Monardella villosa
John H. Thomas
1953-7-15
3482
Santa Cruz
Eagle Rock, about 4 miles NW of Boulder Creek
746
Comment
CAS-BOT-BC214141
Monardella villosa subsp. obispoensis
John H. Thomas
1955-7-16
5261
Monterey
About 4.7 miles east of Nacimiento Summit as measured along the road, Santa Lucia Mountains
502
Comment
CAS-BOT-BC214142
Monardella villosa subsp. obispoensis
John H. Thomas; H. A. Thomas
1955-7-16
5240
Monterey
Vicinity of Nacimiento Summit, Santa Lucia Mountains
914
Comment
JROH2837
Monardella villosa subsp. villosa
John H. Thomas
1971-5-30
15958
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along trail below dam
Comment
CAS-BOT-BC349517
Monolopia lanceolata
H. A. Thomas; J. H. Thomas
1954-3-19
414
Monterey
About 1 mile south of King City
Comment
CAS-BOT-BC444959
Montia fontana
J. H. Thomas
1950-4-2
1456
Santa Cruz
San Lorenzo River Valley, 1/4 mile NW of San Lorenzo School, about 1 mile N of Felton.
Comment
CAS-BOT-BC444962
Montia fontana
J. H. Thomas
1954-2-19
3711
Santa Cruz
Northern end of Hilton Airport between highway and airstrip.
243
Comment
CAS-BOT-BC444964
Montia fontana
J. H. Thomas
1954-2-19
3712
Santa Cruz
Northern end of Hilton Airport between Highway and airstrip.
243
Comment
CAS-BOT-BC444968
Montia fontana
J. H. Thomas
1951-2-3
2545
Santa Cruz
Northern end of Hilton Airport, between airstrip and highway.
243
Comment
GH355775
Muhlenbergia asperifolia
J. H. Thomas, R. J. Ferris & W. Ernst
1956-7-14
13045
Unknown
Clear Creek, about 3.3 miles SW of Idria.
975
Comment
VVC1625
Muhlenbergia richardsonis
Tim Thomas, Archie Meyer
2006-8-10
4023
Mono
White Mountains, Just west of the UC Crooked Creek Research Station, Archies study plot site.
3149
Comment
CAS-BOT-BC508607
Muilla maritima
John H. Thomas
1961-4-2
9054
Santa Clara
Hills to the south of Junipero Serra Bvd., Stanford University
Comment
RSA176702
Muilla maritima
John H. Thomas
1961-4-2
9054
Santa Clara
Standford University. Hills to the south of Juniper Serra Blvd.
Comment
RSA176826
Myosotis latifolia
John H. Thomas
1961-5-5
9207
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam.
76
Comment
UC1252098
Myosotis latifolia
J. H. Thomas
1955-3-18
4687
San Mateo
5 mi. up Tunitas Creek Rd. from coast
304
Comment
CAS-BOT-BC101702
Myrica californica
John H. Thomas
1968-2-3
14140
Mendocino
About 3.2 miles south of Noyo River Bridge, along U.S. Highway 1
60
Comment
CAS-BOT-BC101789
Myrica californica
J. H. Thomas
1962-3-24
9838
San Mateo
Isenberg Ranch near Langley Hill
Comment
RSA152075
Myrica californica
John H. Thomas
1962-3-24
9838
San Mateo
Isenberg Ranch near Langley Hill.
549
Comment
UC1190017
Myrica californica
John H. Thomas
1959-3-20
7559
San Luis Obispo
ca. 17 mi. s. San Luis Obispo (Oso Flaco Lake); Oso Flaco Lake
7
Comment
RSA132433
Myriophyllum aquaticum
John H. Thomas
1958-7-15
7302
San Francisco
North arm of Lake Merced between boat house and foot Bridge. Along edge of lake.
Comment
RSA176407
Myriophyllum aquaticum
John H. Thomas
1964-10-2
10508
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Edge of Searsville Lake near Bridge.
Comment
VVC2992
Nama demissa var. demissa
Tim Thomas, G Rink, A Schuab
2014-3-25
6207
San Bernardino
Mojave Desert, Johnson Valley 1 mile West of Galway Dry Lk.
835
Comment
CAS-BOT-BC260027
Nassella lepida
John H. Thomas
1971-5-2
15855
San Mateo
Near intersection of Canada Road and Edgewater Road, about 3 miles W from Redwood City
152
Comment
CAS-BOT-BC60385
Nasturtium officinale
John H. Thomas
1960-9-16
8912
Inyo
Steep canyon leading into Saline Valley from the south.
1371
Comment
CAS-BOT-BC60501
Nasturtium officinale
J. H. Thomas
1955-6-14
5208
Santa Clara
Stanford University Campus. Near intersection of Stanford and Mayfield Avenues.
30
Comment
VVC3205
Navarretia hamata
Tim Thomas
1985-5-9
754
Ventura
Transverse Ranges, Santa Monica Mountains, ridge east of jct of Portero and Westlake Rds
383
Comment
RSA187229
Navarretia hamata subsp. parviloba
John H. Thomas
1956-7-2
6027
Santa Cruz
On Ben Lomond Sand Hills
305
Comment
JROH3201
Navarretia heterodoxa
John H. Thomas
1969-6-4
15113
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSB68293
Navarretia mitracarpa
Thomas, Kathryn; Rindlaub, Kathy; Houng, L.
1993-5-16
Santa Barbara
southern foothills of the San Rafael Range; Sedgwick Reserve
640
Comment
VVC1774
Nemacladus sigmoideus
Tim Thomas, PJ MacKay
2008-5-16
4440
San Bernardino
San Bernardino Mtns, Lower Marble Canyon - proposed Mitsubishi expansion.
1768
Comment
JROH2753
Nemophila
John Hunter Thomas
1991-4-25
24994
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Rattlesnake Rocks
Comment
JROH2755
Nemophila
John Hunter Thomas
1992-4-7
25130
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Indian grinding rock.
Comment
CAS-BOT-BC219507
Nemophila parviflora
J. H. Thomas
1953-3-27
2927
Santa Cruz
Rancho del Oso. Along Waddell Creek, about 2 miles from the coast
45
Comment
CAS-BOT-BC219513
Nemophila parviflora
John H. Thomas
1950-5-28
1930
Santa Cruz
1 mile toward Saratoga Summit from Big Basin Junction
426
Comment
RSA195626
Nemophila parviflora var. parviflora
John H. Thomas
1950-4-22
1629
Santa Cruz
Waterman Gap.
229
Comment
VVC2668
Nemophila spatulata
Tim Thomas, P. J. MacKay
2011-7-7
5469
Inyo
Southern High Sierra, Cottonwood Lakes Basin, on lower east Woolyback ridge.
3360
Comment
CAS-BOT-BC231509
Nicotiana
J. H. Thomas
1960-6-8
8779 A
Santa Clara
Stanford University Campus. Along Juniper Serra Blvd. near Frenchman's Road
76
Comment
RSA187244
Nicotiana acuminata
John H. Thomas
1955-8-1
5298
Santa Clara
Stanford University campus. In front of Law School Building.
15
Comment
CAS-BOT-BC231564
Nicotiana glauca
J. H. Thomas
1956-9-29
6460
Los Angeles
Pasadena. Behind Devil's Gate Dam
Comment
CAS-BOT-BC233463
Nicotiana glauca
J. H. Thomas
1964-3-31
10293
San Mateo
Bank of San Francisquito Creek at University Avenue Bridge, Palo Alto
Comment
CHSC1926
Nicotiana glauca
E. Thomas
1940-4-13
Los Angeles
Claremont.
353
Comment
CAS-BOT-BC231667
Nicotiana glauca
J. H. Thomas
1955-7-16
5236
Monterey
Near highway bridge about 1 mile south of Soledad
Comment
CAS-BOT-BC508629
Nothoscordum gracile
John H. Thomas
1960-5-29
8762
Santa Clara
Palo Alto, near Southern Pacific Underpass along University Avenue
Comment
CAS-BOT-BC508630
Nothoscordum gracile
J. H. Thomas
1961-6-30
9579
Santa Clara
Palo Alto, near University Avenue and El Camino Real
Comment
JEPS24278
Nuttallanthus texanus
J. H. Thomas
1950-4-16
1607
Santa Cruz
Sunset Beach State Park
Comment
CAS-BOT-BC140450
Oemleria cerasiformis
John H. Thomas
1955-4-4
4819
Santa Clara
Near Page Mill Road, about 3.7 miles from Stanford University
121
Comment
JROH285
Oenanthe sarmentosa
John Hunter Thomas
1978-7-8
19259
San Mateo
Jasper Ridge Biological Preserve, Stanford University; behind causeway
Comment
RSA127724
Oenothera elata subsp. hookeri
John H. Thomas
1959-7-8
8022
San Mateo
About 1/2 mile S of Pescadero beach along the coast highway.
Comment
JROH2993
Olea europaea
John H. Thomas
1977-1-23
18462
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC427485
Oligomeris linifolia
John H. Thomas
1959-3-24
7610
San Bernardino
About 15 miles southeastward from Baker along road to Marl Springs.
762
Comment
VVC2153
Opuntia basilaris var. basilaris
Tim Thomas
2004-4-26
3204
Kern
Mojave Desert, Desert Tortoise Natural Area; 10 mi NE of California City.
843
Comment
CAS-BOT-BC350009
Oreostemma alpigenum var. andersonii
H. A. Thomas; J. H. Thomas
1955-9-13
5490
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Alt. 9,000 - 12,900 feet. Between 3rd and 2nd groups of lakes in 4th Recess
3413
Comment
RSA136184
Ornithopus sativus
John H. Thomas
1956-7-2
6039
San Mateo
Along Graham Hill Road, 1.9 miles from Felton RR Station.
183
Comment
RSA176968
Ornithopus sativus
John H. Thomas
1964-6-2
10406
Santa Cruz
About 3 miles from Felton toward Santa Cruz along Graham Hill Road.
Comment Read comments Dec 3 2010
CDA4252
Ornithopus sativus subsp. sativus
John H. Thomas
1964-6-2
10406
Santa Cruz
About 3 miles from Felton toward Santa Cruz along Graham Hill Road.
0
Comment
CAS-BOT-BC499694
Orobanche californica subsp. californica
J. H. Thomas
1979-7-31
19684
San Mateo
San Bruno Mountain, in northern part of county. Upper portion of Reservoir Hill, NE of Guadalupe Parkway
Comment
CAS-BOT-BC500126
Orobanche fasciculata
John H. Thomas
1955-5-21
5129
Napa
Sarco Creek drainage, near State Hwy 37, about 6 mi from Napa
274
Comment
CHSC1165
Orobanche parishii subsp. parishii
E. Thomas
1940-5-12
Los Angeles
San Fernando foothills.
Comment
CAS-BOT-BC457687
Orthilia secunda
John H. Thomas
1959-9-14
8166
Fresno
Sierra Nevada, vicinity of Mono Pass, 4th Recess, Pioneer Basin, and upper Mono Creek; along Mono Creek between 3rd and 4th Recesses
3931
Comment
CAS-BOT-BC458060
Orthilia secunda
John H. Thomas; Hazelle A. Thomas
1956-7-21
6202
Placer
Sierra Nevada. Vicinity of Doner Pass, about 80 miles NE of Sacramento
2377
Comment
RSA195624
Orthocarpus faucibarbatus var. albidus
John H. Thomas
1950-4-30
1766
Santa Cruz
Davenport Landing.
Comment
CLARK-A346-14
Orthocarpus purpurascens
Loraine Thomas
Kern
Bakersfield ""Kern Canyon, Bakersfield area""; Gosford 7.5'Q
Comment
CLARK-A346-9
Orthocarpus purpurascens
Loraine Thomas
Kern
Bakersfield Kern Canyon, Bakersfield area; Gosford 7.5'Q
Comment
GH346994
Osmaronia cerasiformis
J. H. Thomas
1963-4-17
10035
Unknown
Moist slope along road near Searsville Lake. Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto near Lat. N. 37 deg 24.5' Long. deg 14'W
Comment
JROH298
Osmorhiza berteroi
John Hunter Thomas
1986-5-1
23998
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH299
Osmorhiza berteroi
John Hunter Thomas
1986-5-17
24048
San Mateo
Jasper Ridge Biological Preserve, Stanford University; dam to Rattlesnake Rock
Comment
RSA187235
Oxalis oregana
John H. Thomas
1951-4-8
2584
Santa Cruz
3.5 miles inland from Aptos on Trout Gulch road (as measured along the road)
Comment
RSA132460
Oxalis pes-caprae
John H. Thomas
1960-3-17
8542
San Francisco
Bernal Heights, Open, grassy summit of low hill
107
Comment
VVC3020
Oxytheca perfoliata
Tim Thomas, G Rink, A Schuab
2014-3-25
6209
San Bernardino
Mojave Desert, Johnson Valley; north slope mountain 3.5 miles West of Galway Dry Lk.
979
Comment
UC1126131
Paeonia brownii
W. D. Thomas
1935-7-9
164 A
Alpine
1/2 mi nne Colorado Hill; Mono National Forest, Markleeville Quadrangle
Comment
CAS-BOT-BC121204
Paeonia californica
John Hunter Thomas
1951-3-11
2563
Monterey
Santa Lucia Mtns, rd from Jolon across the Hunter-Liggett Military Reservation to the Coast Hwy, 3.5 from the Coast Hwy
304
Comment
CHSC403
Palafoxia arida
E. Thomas
1940-3-3
Riverside
Salton Sea.
-60
Comment
RSA138207
Parapholis incurva
John H. Thomas
1955-5-20
5092
Solano
Weeds along the RR tracks at Bahia (formerly known as Goodyear) at edge of Salicornia salt marsh, about 4 miles NE of Benecia.
0
Comment
RSA176768
Parapholis incurva
John H. Thomas
1963-5-20
10138
San Mateo
Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz.
Comment
CAS-BOT-BC265673
Paspalum distichum
J. H. Thomas
1958-8-9
7386
Santa Clara
Lagunita, Stanford University Campus
22
Comment
CAS-BOT-BC265675
Paspalum distichum
John H. Thomas
1960-9-3
8878
Santa Clara
Near main entrance to Moffett Field near Mountain View, about sea level
Comment
CAS-BOT-BC202842
Paxistima myrsinites
H. A. Thomas; J. H. Thomas
1954-7-23
4466
Siskiyou
Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek
1036
Comment
VVC2836
Pectocarya heterocarpa
Tim Thomas
2014-4-12
6256
Kern
Mojave Desert, 4.5 miles S of Cantil
640
Comment
VVC2877
Pectocarya linearis subsp. ferocula
Tim Thomas, P. J. MacKay
2010-4-12
5047
Riverside
San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw.
878
Comment
JROH1402
Pectocarya pusilla
John H. Thomas
1975-5-2
17858
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4101
Pedicularis densiflora
John H. Thomas
1957-4-16
6663
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes
Comment
JROH4118
Pedicularis densiflora
John Hunter Thomas
1982-1-3
20794
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4116
Pedicularis densiflora
John Hunter Thomas
1981-5-15
20641
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC69299
Pellaea andromedifolia
J. H. Thomas
1965-4-20
10577
Santa Cruz
Near Lime Kilns along Fall Creek, about 1 1/2 miles west of Felton
Comment
JROH102
Pellaea andromedifolia
John Hunter Thomas
1981-4-5
20268
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Below dam
Comment
JROH96
Pellaea andromedifolia
John H. Thomas
1971-4-25
15784
San Mateo
Jasper Ridge Biological Preserve, Stanford University.
Comment
CAS-BOT-BC71287
Pellaea bridgesii
John H. Thomas
1959-9-19
8170
Tuolumne
Near Sonora Pass Road about 3 miles below Sonora Pass as measured along the road
2590
Comment
RSA124754
Pellaea bridgesii
John H. Thomas, Hazelle A. Thomas
1956-7-22
6223
Placer
Vicinity of Donner Pass, about 80 miles northeast of Sacramento.
2134
Comment
CAS-BOT-BC71377
Pellaea mucronata
John H. Thomas
1958-4-19
7112
Napa
About 2 miles SW of Oakville
152
Comment
CAS-BOT-BC71486
Pellaea mucronata
John H. Thomas
1981-4-30
20435
Sutter
Sutter Buttes, Huff Canyon - North Butte area
304
Comment
CAS-BOT-BC258793
Pennisetum clandestinum
John H. Thomas
1975-4-19
17788
Monterey
Pacific Grove. Near Pacific Grove Museum. In parking
Comment
CHSC1849
Penstemon antirrhinoides
E. Thomas
1940-3-10
Riverside
San Jacinto Foothills.
Comment
VVC3179
Penstemon heterodoxus
Tim Thomas
2013-7-10
6122
Inyo
Southern High Sierra, Cottonwood Lakes Basin, above High Lake
3534
Comment
VVC2796
Penstemon newberryi
Tim Thomas, P. J. MacKay
2006-7-11
3899
Inyo
Southern High Sierra, Cottonwood Lakes Basin; west side of Cirque Lake.
3391
Comment
YM-YOSE60079
Penstemon newberryi
W. D. Thomas
1935-8-23
381
Tuolumne
NW END OF SHEPHERDS CREST
3566
Comment
VVC2038
Penstemon rostriflorus
Tim Thomas, Pam MacKay
2008-9-20
4584
Inyo
Sierra Nevada Mtns, Independence Creek/Onion Valley Road.
2178
Comment
UC1063270
Penstemon rydbergii var. oreocharis
W. D. Thomas
1935-7-9
162
Alpine
2 mi n Leviathan Peak; Mono National Forest, Markleeville Quad.
Comment
VVC2794
Penstemon speciosus
Tim Thomas, P. J. MacKay
2000-6-27
2434
Inyo
Southern High Sierra, Cottonwood Lakes Basin; lower So. Fk Ck.
3064
Comment
CAS-BOT-BC327977
Pentachaeta alsinoides
John H. Thomas
1958-5-10
7140
San Mateo
Jasper Ridge, about 5 mi SW of Palo Alto.
182
Comment
JROH1163
Pentachaeta alsinoides
John Hunter Thomas
1989-5-9
24713
San Mateo
Jasper Ridge Biological Preserve, Stanford University. [Along Rd. F]
166
Comment
JROH107
Pentagramma triangularis subsp. triangularis
John H. Thomas
1956-4-7
5620
San Mateo
Jasper Ridge Biological Preserve, Stanford University.
Comment
JROH108
Pentagramma triangularis subsp. triangularis
John H. Thomas
1964-11-29
10544
San Mateo
Jasper Ridge Biological Preserve, Stanford University.
Comment
JROH109
Pentagramma triangularis subsp. triangularis
John H. Thomas
1968-3-17
14194
San Mateo
Jasper Ridge Biological Preserve, Stanford University.
Comment
JROH111
Pentagramma triangularis subsp. triangularis
John H. Thomas
1974-11-5
17663
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Trail below dam.
Comment
JROH313
Perideridia kelloggii
John Hunter Thomas
1983-7-20
22905
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
VVC2800
Perideridia parishii subsp. latifolia
Tim Thomas, PJ MacKay
2003-7-16
3007
Inyo
Southern High Sierra, Cottonwood Lakes Basin; Hidden Lake stringer at trail xing.
3226
Comment
JROH3246
Persicaria amphibia
John H. Thomas
1970-7-5
15676
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3248
Persicaria amphibia
John H. Thomas
1974-8-3
17496
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC419092
Persicaria lapathifolia
John H. Thomas
1961-5-17
9388 a
Santa Clara
Bottom of Stevens Creek Reservoir, about 7 miles due south of Mountain View
152
Comment
CAS-BOT-BC330257
Petasites frigidus var. palmatus
J. H. Thomas
1954-3-15
3781
Santa Cruz
Along Jamison Road.
548
Comment
CAS-BOT-BC330263
Petasites frigidus var. palmatus
H. A. Thomas; J. H. Thomas
1954-7-23
4469
Siskiyou
Salmon - Trinity Mts. Abouty 6 miles SE of Cecilville. Vicinity of Blind Horse Creek.
1036
Comment
NY83951
Phacelia ambigua
G. H. Thomas
s.n.
Unknown
Fort Yuma
Comment Read comments Mar 24 2011
RSA149205
Phacelia ciliata
John H. Thomas
1955-4-2
4748
Santa Clara
Near intersection of Middlefield and Charleston Roads, Palo Alto.
8
Comment
CAS-BOT-BC133957
Phacelia distans
John H. Thomas
1957-3-29
6517
Riverside
Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks.
609
Comment
CAS-BOT-BC134010
Phacelia distans
John H. Thomas
1955-5-21
5173
Napa
Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena
274
Comment
VVC3072
Phacelia distans
Tim Thomas, P. J. MacKay
2015-5-10
6617
Los Angeles
San Gabriel Mtns, Jackson Lake
1896
Comment
CAS-BOT-BC133855
Phacelia douglasii
John H. Thomas
1950-4-16
1611 B
Santa Cruz
Sunset Beach State Park. Bluffs behind beach,
Comment
VVC2558
Phacelia eisenii
Tim Thomas
2010-7-7
5237
Inyo
Southern High Sierra, Cottonwood Lakes Basin; E base Mesa
3152
Comment
VVC2669
Phacelia eisenii
Tim Thomas
2011-7-5
5460
Inyo
Southern High Sierra, Cottonwood Lakes Basin; just northwest of GTC 350 feet above valley floor.
3232
Comment
VVC3265
Phacelia hastata var. compacta
Tim Thomas
1995-8-19
1749
Inyo
Southern High Sierra, Cottonwood Lakes Basin, south slope of Wooly Back
3745
Comment
RSA122618
Phacelia hydrophylloides
W. D. Thomas
1935-7-2
153
Alpine
Hermit Valley - at river (Markleeville Quad).
2134
Comment
RSA149201
Phacelia malvifolia
John H. Thomas
1953-5-31
3312
Santa Cruz
Northeast of Soda Lake.
152
Comment
UC1236504
Phacelia malvifolia
John H. Thomas
1960-4-12
8586
Santa Cruz
about 1 mi inland from mouth of Waddell Creek
30
Comment
RSA176672
Phacelia nemoralis subsp. nemoralis
John H. Thomas
1961-5-17
9400
Santa Clara
Disturbed slope at edge of Stevens Creek Reservoir, about 7 miles S of Mountain View.
183
Comment
JROH2761
Phacelia nemoralis var. nemoralis
John H. Thomas
1973-6-15
16848
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC265755
Phalaris
John H. Thomas
1963-5-11
10067
Santa Cruz
Rancho del Oso, Waddell Creek about 1/2 mile inland
Comment
CAS-BOT-BC265753
Phalaris
John H. Thomas
1970-4-15
15561
Mendocino
About 11 miles northeast of Gustine along Highway 140 near Bridge 39-91 over flough near San Joaquin River
Comment
JROH5352
Phalaris aquatica
John H. Thomas
1962-7-15
9922
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek below dam.
Comment
JROH5373
Phalaris aquatica
John Hunter Thomas
1987-5-26
24324
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA176641
Phalaris aquatica
John H. Thomas
1961-8-1
9656
Santa Clara
Headwaters of Stevens Creek about 9 miles south of Palo Alto
549
Comment
CAS-BOT-BC265903
Phalaris caroliniana
John H. Thomas
1974-6-5
17420
Santa Clara
Palo Alto Yacht Harbor, about sea level
Comment
CAS-BOT-BC250660
Phalaris minor
J. H. Thomas
1950-9-24
2421
Santa Cruz
2.5 miles from Palm Beach on road to Watsonville
Comment
CAS-BOT-BC77428
Philadelphus lewisii
J. H. Thomas
1949-6-16
954
Siskiyou
1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek
Comment
UC909474
Philadelphus lewisii
J. H. Thomas
1949-6-16
954
Siskiyou
1/4 mi n Beaver Creek Public Camp (along Beaver Creek 5 mi n of junction <with> Klamath River); Klamath National Forest
Comment
RSA0097441
Philadelphus lewisii
John H. Thomas
1949-6-16
s.n.
Siskiyou
1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest.
Comment
CAS-BOT-BC253579
Phleum alpinum
John H. Thomas
1957-9-2
6870
Fresno
Vicinity of lowest lake in Pioneer Basin, vicinity of Mono Pss, Pioneer Basin, 4th Recess and adjacent Mono Creek, Sierra Nevada
3657
Comment
CAS-BOT-BC171136
Phoradendron serotinum subsp. tomentosum
J. H. Thomas
1949-10-30
1216
Monterey
Los Padres National Forest. Between China Camp and Jamesburg
762
Comment
CAS-BOT-BC171183
Phoradendron serotinum subsp. tomentosum
John H. Thomas
1960-3-1
8536
San Mateo
Jasper Ridge, about 5 miles SW of Palo Alto
182
Comment
CAS-BOT-BC171196
Phoradendron serotinum subsp. tomentosum
John H. Thomas
1973-4-28
9849
Santa Clara
Mount Hamilton Range. About 1 mile due W of Mount Hamilton Observatory and about 12.5 miles E of the center of San Jose
914
Comment
CAS-BOT-BC171208
Phoradendron serotinum subsp. tomentosum
J. H. Thomas
1953-3-7
2831
Santa Cruz
1/4 mile S of Bielawski Lookout
Comment
CAS-BOT-BC171225
Phoradendron serotinum subsp. tomentosum
John H. Thomas
1980-12-6
20202
Sutter
Sutter Buttes, Moore Canyon area
Comment
JROH4286
Phoradendron serotinum subsp. tomentosum
John H. Thomas
1955-5-6
5018
San Mateo
Jasper Ridge Biological Preserve, Stanford University
182
Comment
JROH4288
Phoradendron serotinum subsp. tomentosum
John H. Thomas
1959-8-22
8080
San Mateo
Jasper Ridge Biological Preserve, Stanford University
182
Comment
CAS-BOT-BC56443
Phyllodoce breweri
John H. Thomas
1959-9-14
8161
Fresno
Sierra Nevada. Vicinity of Mono Pass, 4th Recess, Pioneer Basin, and upper Mono Creek
3931
Comment
CAS-BOT-BC452004
Phyllospadix scouleri
John H. Thomas
1955-7-17
5285
Monterey
1.4 miles south of Prewitt Creek, near Point Gorda.
Comment
CAS-BOT-BC452052
Phyllospadix torreyi
J. H. Thomas
1959-6-20
8010
San Diego
La Jolla Cove. La Jolla
Comment
CAS-BOT-BC434444
Phytolacca heterotepala
J. H. Thomas
1960-7-17
8783
Santa Clara
Stanford University Campus. Stanford Experimental Garden.
Comment
RSA181245
Phytolacca heterotepala
John H. Thomas
1960-7-17
8783
Santa Clara
Stanford University Campus. Stanford Experimental Garden.
Comment
NY30481
Picea breweriana
H. A. Thomas
1943-7-7
8693
Siskiyou
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
JROH2202
Pickeringia montana var. montana
John H. Thomas
1975-6-5
17937
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near shack
Comment
RSA144498
Picris echioides
John H. Thomas
1955-8-1
5320
Santa Clara
Alviso
Comment
CAS-BOT-BC73256
Pinus contorta var. latifolia
H. A. Thomas; J. H. Thomas
1954-9-16
4656
Fresno
Sierra Nevada - vicinity of Mono Pass, Pioneer Basin, Fourth Recess, and adjacent Mono Creek. Near first lake in 4th Rec
3657
Comment
CAS-BOT-BC73261
Pinus contorta var. latifolia
H. A. Thomas
1954-7-24
4516
Siskiyou
Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville.
1981
Comment
RSA181236
Pinus flexilis
John H. Thomas
1964-9-8
10478 A
Mono
McGee Creek near Highway 395 between Lee Vining and Bishop.
2744
Comment
VVC2511
Pinus flexilis
Tim Thomas
1986-7-28
979
Inyo
Southern High Sierra Nevada, Cottonwood Lakes Basin Watershed, southern slope to Owens Point.
3415
Comment
CAS-BOT-BC78684
Pinus jeffreyi
John H. Thomas
1972-9-13
16300
Mono
9 miles east of Highway 395 on Highway 120, about 15 mi. se of Lee Vining
2438
Comment
CAS-BOT-BC78885
Pinus monophylla
J. H. Thomas
1963-9-9
10252
Mono
About 1 mile up Rock Creek Canyon from junction of road with highway 395 near [Tom's] Toms Place
2255
Comment
RSA166381
Pinus monophylla
John H. Thomas
1963-9-9
10252
Mono
About 1 mile up Rock Creek Canyon from junction of road with highway 395 near Tom s Place (25 miles north of Bishop).
2287
Comment
CAS-BOT-BC78931
Pinus monticola
John H. Thomas; Hazelle A. Thomas
1956-7-21
6153
Placer
Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento
2377
Comment
CAS-BOT-BC72835
Pinus ponderosa
John H. Thomas
9475
Tuolumne
About 5-6 miles southwest of Pinecrest.
1798
Comment
JROH122
Pinus radiata
John Hunter Thomas
1987-4-23
24207 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SEINET11740422
Pinus radiata
J. H. Thomas
1959-4-4
7652
Santa Cruz
S of mouth of Waddell Creek along the coast
30
Comment
CAS-BOT-BC72766
Pinus sabiniana
J. H. Thomas
1954-4-23
3979
Santa Clara
About 0.8 miles SW of Mt. Umnuhum.
1005
Comment
CAS-BOT-BC137322
Piperia elegans
John H. Thomas
1963-9-11
10267
San Mateo
Field redacted by CAS, contact the data manager for more information
396
Comment
RSA594917
Piptatherum miliaceum
John H. Thomas
1959-8-27
8088
Santa Clara
Oak Hill Cemetary, San Jose
30
Comment
VVC2622
Plagiobothrys hispidulus
Tim Thomas, P. J. MacKay
2006-7-10
3876
Inyo
Southern High Sierra, Cottonwood Lakes Basin; Golden Trout Camp.
3110
Comment
JROH1428
Plagiobothrys nothofulvus
John H. Thomas
1975-4-18
17785
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1433
Plagiobothrys nothofulvus
John Hunter Thomas
1991-4-11
24979
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam
Comment
UCSB68188
Plagiobothrys nothofulvus
Thomas, Kathryn; Houng, Lynn
1993-4-5
Santa Barbara
Southern foothills of the San Rafael Range; Sedgwick Reserve; upper ranch near USFS
731
Comment
UCR241111
Plagiobothrys tenellus
Tim Thomas
1991-5-2
1425
Ventura
Transverse Range, east end of the Simi Hills, Sage Ranch, small drainage on east end of park
604
Comment
VVC2184
Plagiobothrys undulatus
Tim Thomas, Bill Baker
1983-6-30
579 C
Riverside
Santa Rosa Plateau, Burro Mesa
630
Comment
JROH3126
Plantago erecta
John Hunter Thomas
1992-4-29
25172
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3128
Plantago lanceolata
John H. Thomas
1968-4-19
14292
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3133
Plantago major
John H. Thomas
1959-8-22
8082
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SEINET8389512
Plantago subnuda
J. H. Thomas
1964-6-19
10433
San Mateo
near Pigeon Pt. Lighthouse.
Comment
CAS-BOT-BC136642
Platanthera
John H. Thomas
1961-7-19
9629
Tuolumne
Field redacted by CAS, contact the data manager for more information
2438
Comment
UCSB68285
Platanus racemosa
Thomas, Kathryn; Robles, S.
1993-5-1
Santa Barbara
southern foothills of the San Rafael Range; Sedgwick Reserve; downstream, east drainage; Figueroa Creek
490
Comment
CAS-BOT-BC91918
Platystemon californicus
John H. Thomas
1957-4-6
6605
San Bernardino
Mojave Desert. 1.4 miles north of Yucca Valley on road to Lucerne Valley. About 19 miles west of town of Twentynine Palm
914
Comment
CAS-BOT-BC92014
Platystemon californicus
John H. Thomas
1974-5-7
17317
San Mateo
San Bruno Mountain. Along Guadalupe Parkway opposite school.
Comment
CAS-BOT-BC92082
Platystemon californicus
John H. Thomas
1956-3-29
5575 B
Santa Clara
Santa Cruz Mountains. Near Guadalupe Creek above reservoir. About 6.5 miles southeast of Los Gatos.
396
Comment
UCSB68281
Platystemon californicus
Kathryn Thomas, Lynn Houng
1993-4-5
SR- 121
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Vernal pool valley
353
Comment
CAS-BOT-BC91847
Platystemon californicus
J. H. Thomas
1949-4-9
253
Monterey
Hopkins Marine Station, Pacific Grove.
Comment
RSA127084
Platystemon californicus var. californicus
John H. Thomas
1959-4-4
7644
Santa Cruz
Hilton Airport, about 3 miles NW of Boulder Creek
244
Comment
CAS-BOT-BC261051
Poa
John H. Thomas
1973-4-23
16676
San Benito
High Peaks Trail, Pinnacles National Monument
685
Comment
CAS-BOT-BC261063
Poa
John H. Thomas
1961-7-19
9622
Tuolumne
Vicinity of Camp White Wolf, Yosemite National Park
2438
Comment
CAS-BOT-BC255594
Poa annua
John H. Thomas
1954-3-5
3760
Santa Cruz
N end of Hilton Airport, between airstrip and highway
243
Comment
JROH5395
Poa annua
John H. Thomas
1963-4-17
10036 B
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near the "riders shack" at the Searsville end of the ridge.
Comment
CAS-BOT-BC255571
Poa annua
J. H. Thomas
1959-3-9
7526
Santa Clara
Knoche Field near Civic Center, San Jose, bounded by Guadalupe River, Rosa Street, Asbury Street, and San Pedro Street
Comment
CAS-BOT-BC255572
Poa annua
J. H. Thomas
1961-4-22
9172 A
Santa Clara
Mount Hamilton Range. Near Smith Creek Ranger Station
Comment
CAS-BOT-BC254877
Poa bolanderi
John H. Thomas
1961-7-19
9621
Tuolumne
Yosemite National Park. Vicinity of Camp White Wolf.
2438
Comment
CAS-BOT-BC254980
Poa bulbosa
John H. Thomas
1963-6-1
10157
Santa Clara
Morrell Ranch, headwaters of Stevens Creek, about 9 miles S of Palo Alto
609
Comment
VVC3182
Poa cusickii
Tim Thomas
2013-7-3
6113
Inyo
Southern High Sierra, Cottonwood Lakes Basin, halfway to Windy Gap from GTC along stringer.
3317
Comment
YM-YOSE67040
Poa epilis
W. D. Thomas
1935-9-12
473
Tuolumne
1/2 MILE SOUTH OF IRELAND LAKE
3413
Comment
VVC2186
Poa howellii
Tim Thomas
1988-4-12
1232
Los Angeles
Transverse Range, Santa Monica Mtns; Stunt Ranch, half way along drive way.
436
Comment
RSA596126
Poa secunda
John H. Thomas
1957-9-2
s.n.
Alpine
Sierra Nevada; Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Between lowest lake in Poineer Basin and Mono Creek.
2744
Comment
VVC1781
Poa secunda
Tim Thomas, PJ MacKay
2008-5-12
4429
San Bernardino
San Bernardino Mtns, Lower Marble Canyon. Mine expansion project.
1827
Comment
CAS-BOT-BC235960
Poa secunda subsp. secunda
John H. Thomas
1957-9-2
6882
Fresno
Sierra Nevada, vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Between lowest lake in Pioneer Basin and Mono Creek
3657
Comment
CAS-BOT-BC243153
Poa secunda subsp. secunda
John H. Thomas
1955-5-5
4961
Santa Clara
Near Oak Hill Memorial Cemetary, 3 miles SE of the center of San Jose
91
Comment
CAS-BOT-BC243155
Poa secunda subsp. secunda
John H. Thomas
1956-3-29
5574
Santa Clara
Santa Cruz Mountains. Near Guadalupe Creek above reservoir. About 6.5 miles SE of Los Gatos
396
Comment
CAS-BOT-BC243227
Poa secunda subsp. secunda
H. A. Thomas; J. H. Thomas
1954-7-24
4512
Siskiyou
Salmon-Trinity Mountains, vicinity of Rush Lake and rush Creek Meadow. About 9 miles E of Cecilville
1981
Comment
CAS-BOT-BC244088
Poa secunda subsp. secunda
John H. Thomas
1961-5-21
9415
Tuolumne
About 5-6 miles SW of Pinecrest
1798
Comment
CAS-BOT-BC244494
Poa secunda subsp. secunda
John H. Thomas
1961-9-9
9746
Inyo
Mono Mesa, near the junction of Mono, Inyo, and Fresno Counties
3718
Comment
CAS-BOT-BC110691
Poaceae
John H. Thomas
5545 G
Santa Cruz
Northern end of Hilton Airport, open area between highway and airstrip.
243
Comment
CAS-BOT-BC110692
Poaceae
J. H. Thomas
1955-3-21
4720 W
Santa Cruz
Northern end of Hilton Airport, between airstrip and highway.
243
Comment
CAS-BOT-BC110697
Poaceae
J. H. Thomas
1962-4-6
9907
San Mateo
Near Palo Alto airport.
Comment
JROH2855
Pogogyne serpylloides
John H. Thomas
1966-4-29
11588
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1710
Polycarpon tetraphyllum var. tetraphyllum
John Hunter Thomas
1983-7-7
22827
San Mateo
Jasper Ridge Biological Preserve, Stanford University; old beach area
Comment
VVC1988
Polygonum amphibium
Tim Thomas, Pam MacKay, Dave Clendenen
2008-8-30
4568
San Bernardino
San Bernardino Mtns., Bluff Lake.
2311
Comment
CAS-BOT-BC414106
Polygonum aviculare subsp. aviculare
J. H. Thomas
1960-6-25
8784 A
San Mateo
Redwood City. Near Main and Stambaugh sts.
Comment
CAS-BOT-BC414272
Polygonum aviculare subsp. depressum
J. H. Thomas
1953-10-3
3590
Santa Cruz
Foot of Blooms Grade, 3 miles NW of Boulder Creek
243
Comment
JROH3259
Polygonum aviculare subsp. depressum
John H. Thomas
1974-8-3
17498
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC414271
Polygonum aviculare subsp. depressum
J. H. Thomas
1949-5-18
536
Santa Clara
West of Natural History Museum, Stanford University Campus
Comment
VVC1989
Polygonum douglasii
Tim Thomas, Pam MacKay, Dave Clendenen
2008-8-30
4569
San Bernardino
San Bernardino Mtns., Bluff Lake.
2311
Comment
RSA176681
Polygonum lapathifolium
John H. Thomas
1961-5-17
9388 a
Santa Clara
Bottom of Stevens Creek Reservoir, 7 miles due S of Mtn View.
152
Comment
UC1252082
Polygonum lapathifolium
J. H. Thomas
1959-8-27
8107
Santa Clara
about 1.5 mi nw Coyote (near Hwy 101 and Metcald Rd, edge of water-filled sand and gravel pit); Santa Clara Valley
76
Comment
VVC2746
Polygonum polygaloides subsp. kelloggii
Tim Thomas, PJ MacKay
2003-7-14
2977 .1
Inyo
Southern High Sierra, Cottonwood Lakes Basin; North fork Windy Gap Stringer.
3345
Comment
UC570321
Polygonum sawatchense subsp. sawatchense
W. D. Thomas
1935-7-2
132
Alpine
2 1/2 mi nw Silver Peak; Mono National Forest, Markleeville Quadrangle
2316
Comment
CAS-BOT-BC76893
Polypodium californicum
J. H. Thomas
1950-2-26
1256
Santa Cruz
Santa Cruz - Along coast at western end of Cliff Drive.
Comment
CAS-BOT-BC76914
Polypodium californicum
John H. Thomas
1958-3-19
7059
San Mateo
San Bruno Mountain, just north of South San Francisco.
91
Comment
JROH5430
Polypogon interruptus
John H. Thomas
1962-7-15
9921
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek below dam.
Comment
CAS-BOT-BC237379
Polypogon monspeliensis
John H. Thomas
1965-5-26
10667
Santa Clara
Stanford University Campus. Oval in front of Quad
Comment
CAS-BOT-BC237386
Polypogon monspeliensis
John H. Thomas
1950-4-15
1550
Santa Cruz
Near Pajaro Gap, along Highway 67, Pajaro River Valley
Comment
JROH5442
Polypogon monspeliensis
John H. Thomas
1965-12-19
11458
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along road near Searsville Lake.
Comment
UC1108512
Polypogon monspeliensis
John H. Thomas
1953-5-30
3248
Santa Cruz
along Pajaro River near bridge on San Juan Bautista-Watsonville Highway number 67; along Pajaro River
91
Comment
UCR131640
Polypogon monspeliensis
Tim Thomas
1992-4-22
1490
San Bernardino
Southern Mojave Desert, Rabbit Springs
884
Comment
CAS-BOT-BC237586
Polypogon viridis
J. H. Thomas
1958-8-1
7369
San Mateo
About 0.25 mile W of center of Pescadero
Comment
CAS-BOT-BC76732
Polystichum imbricans subsp. imbricans
J. H. Thomas
1954-5-14
4176
Siskiyou
Salmon Mountains, Klamath National Forest - near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville,
1219
Comment
HSC79130
Polystichum kruckebergii
C. J. Thomas
1983-10-1
Siskiyou
Box Camp Mtn. Ridge in Marble Mtn. Wilderness area
2098
Comment
HSC79134
Polystichum kruckebergii
C. J. Thomas
1983-10-1
83
Siskiyou
N side of Black Mtn. in Marble Mtn. Wilderness
1976
Comment
CAS-BOT-BC72473
Polystichum munitum
John H. Thomas
1956-4-30
1758
Santa Cruz
Near Sawmill in Waddell Creek Valley
Comment
HSC79181
Polystichum munitum
C. J. Thomas
1984-9-25
116
Humboldt
In Redwood forest immediately behind HSU fieldhouse
79
Comment
HSC79139
Polystichum scopulinum
C. J. Thomas
1983-10-1
95
Siskiyou
Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail
2098
Comment
HSC79142
Polystichum scopulinum
C. J. Thomas
1983-10-1
92
Siskiyou
Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail
2098
Comment
JROH3839
Populus trichocarpa
John H. Thomas
1966-4-13
11557
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3842
Populus trichocarpa
John H. Thomas
1976-4-30
18099
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Below Dam.
Comment
CAS-BOT-BC445284
Portulaca oleracea
John H. Thomas
1955-8-1
5297
Santa Clara
Stanford University Campus. In front of Law School Building
15
Comment
CAS-BOT-BC445288
Portulaca oleracea
J. H. Thomas
1954-8-13
4577
Santa Clara
In front of Stanford Museum, Stanford.
Comment
JROH3361
Portulaca oleracea
John Hunter Thomas
1985-8-7
23708
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
VVC3077
Potamogeton crispus
Tim Thomas, P. J. MacKay
2015-5-10
6623
Los Angeles
San Gabriel Mtns, Jackson Lake
1896
Comment
JROH5517
Potamogeton pusillus
John Hunter Thomas
1981-7-12
20710
San Mateo
Jasper Ridge Biological Preserve, Stanford University. In lake along the shore
Comment
VVC2662
Potentilla glandulosa subsp. nevadensis
Tim Thomas
2011-7-9
5480
Inyo
Southern High Sierra, Cottonwood Lakes Basin - lower Golden Trout Camp meadows.
3110
Comment
JROH4676
Prosartes hookeri
John Hunter Thomas
1985-4-25
23567
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4678
Prosartes hookeri
John Hunter Thomas
1988-4-21
24402
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC202365
Prosopis glandulosa var. torreyana
J. H. Thomas
1949-4-23
430
San Bernardino
Along Colorado River, 7 miles south of Parker Dam
Comment
CAS-BOT-BC206998
Prosopis glandulosa var. torreyana
J. H. Thomas; R. S. Ferris; W. Ernst
1956-7-14
6057
San Benito
New Idria Road, between Panoche and Idria, about 6.5 miles south of Panoche
548
Comment
RSA195492
Prunella vulgaris var. lanceolata
John H. Thomas
1958-8-16
7413
Santa Clara
Lawn in front of Jordan Hall; Stanford University.
Comment
CAS-BOT-BC158586
Prunus
J. H. Thomas
1953-2-1
2741
Santa Cruz
Galletly Ranch, about 3.5 miles NE of Watsonville on State Highway 152
91
Comment
UCSB68322
Prunus ilicifolia subsp. ilicifolia
Thomas, Kathryn; Houng, Lynn
1993-5-16
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve, blue schist watershed
487
Comment
A26860
Prunus kansuensis
C. C. Thomas
1921-8-11
S.P.I. 40004
Unknown
Chico, [Plant Introduction Station]
Comment
JROH755
Pseudognaphalium californicum
John H. Thomas
1961-6-7
9534
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC357163
Pseudognaphalium luteoalbum
John H. Thomas
1958-3-1
7033
Santa Cruz
Northern end of Hilton Airport, open area between highway and airstrip
243
Comment
CAS-BOT-BC357165
Pseudognaphalium luteoalbum
John H. Thomas
1953-4-4
2953
Santa Cruz
About 6 miles north of Boulder Creek, near Waterman Gap
243
Comment
CAS-BOT-BC357151
Pseudognaphalium luteoalbum
John H. Thomas
1961-6-28
9578
Santa Clara
Stanford University Campus. Near Branner Hall
Comment
JROH773
Pseudognaphalium luteoalbum
J. H. Thomas
1958-12-21
7510
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Searsville Lake
Comment
CAS-BOT-BC357509
Pseudognaphalium ramosissimum
John H. Thomas
1976-10-7
18391
San Mateo
Along coast highway #1, 0.6 miles north of northern most road to Pigeon Pt. Lighthouse. About 4.2 miles almost due south of Pescadero
30
Comment
CAS-BOT-BC361597
Pseudognaphalium stramineum
John H. Thomas
1950-4-16
1581
Santa Cruz
Between Watsonville Slough and sand dunes at Palm Beach Speedway near the mouth of the Pajaro River
Comment
JROH127
Pseudotsuga menziesii var. menziesii
John Hunter Thomas
1981-2-14
20222
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH128
Pseudotsuga menziesii var. menziesii
John Hunter Thomas
1983-4-28
21776
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC361770
Psilocarphus brevissimus var. brevissimus
John H. Thomas
1967-5-28
12915
Merced
Along highway 140, about 3 miles east of Planada
Comment
CAS-BOT-BC361859
Psilocarphus oregonus
J. H. Thomas
1953-4-26
3028
Solano
Near Subeet, between Fairfield and Cordelia near SPRR
4
Comment
CAS-BOT-BC362053
Psilocarphus tenellus
John H. Thomas
1955-4-4
4823
Santa Clara
Near Page Mill Road, about 3.7 miles from Stanford University
121
Comment
CAS-BOT-BC362067
Psilocarphus tenellus
John H. Thomas
1953-4-18
2980
Santa Cruz
About 1 mile SW of Saratoga Summit
762
Comment
UCSB68168
Psilocarphus tenellus
Thomas, Kathryn; Houng, Lynn
1993-4-5
Santa Barbara
Southern foothills of the San Rafael Range, Sedgwick Reserve, vernal pool valley
490
Comment
CAS-BOT-BC362055
Psilocarphus tenellus
J. H. Thomas
1964-5-9
10382
Santa Clara
In parking in front of Museum Buildling, Stanford Univ.
Comment
CAS-BOT-BC72534
Pteridium aquilinum
John H. Thomas; Hazelle A. Thomas
1956-7-21
6196
Placer
Sierra Nevada, vicinity of Donner Pass, about 80 miles northeast of Sacramento
2377
Comment
CAS-BOT-BC72654
Pteridium aquilinum
John H. Thomas
1961-5-7
9253
San Mateo
San Bruno Mountain in northern part of county
396
Comment
CAS-BOT-BC72671
Pteridium aquilinum
John H. Thomas
1957-8-25
6838
Santa Cruz
Along Highway 9, about 2 miles north of Big Basin Junction
487
Comment
CAS-BOT-BC72685
Pteridium aquilinum
H. A. Thomas; J. H. Thomas
1954-7-21
4390
Siskiyou
Salmon-Trinity Mts., about 6 miles SE of Cecilville, West side of Rush Creek
1036
Comment
CAS-BOT-BC421349
Pterostegia drymarioides
John H. Thomas
1955-4-4
4807
Santa Clara
Near Page Mill Road, about 2.3 miles from Stanford University.
91
Comment
UCSB68300
Pterostegia drymarioides
Thomas, K.; Houng, Lynn
1993-4-5
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve, transect B
621
Comment
UCR133162
Puccinellia
Tim Thomas
1992-6-2
s.n.
San Bernardino
Southern Mojave Desert, Rabbit Spring near Lucerne Valley
875
Comment
UC1128549
Purshia tridentata var. tridentata
W. D. Thomas
1935-9-2
194
Mono
1 mi sw McKays Ranch in Little Antelope Valley; Markleeville Quad.
1950
Comment
CAS-BOT-BC362173
Pyrrocoma apargioides
H. A. Thomas; J. H. Thomas
1954-9-15
4655
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, Fourth Recess, and adjacent Mono Creek. Mono Creek between 2nd and 3rd Recess. Alt. about 10,000 feet.
3657
Comment
CAS-BOT-BC104289
Quercus X morehus
John H. Thomas
1953-7-14
3427
Santa Cruz
Summit Road, 1 mile SE of Saratoga Summit, near Chittenden Pass
853
Comment
CAS-BOT-BC104290
Quercus X morehus
John H. Thomas
1953-6-13
3330
Santa Cruz
Mt. Charley Road, about 0.4 miles W of summit of Santa Cruz - Los Gatos Highway
594
Comment
CAS-BOT-BC61672
Quercus agrifolia
John H. Thomas
1949-10-9
1123
Santa Cruz
Near Highway 9 about 1 mile north of drinking fountain toward Saratoga Summit
457
Comment
UCSC001528
Quercus agrifolia
Don Thomas
1968-1
s.n.
Santa Cruz
Santa Cruz; UCSC campus
Comment
CAS-BOT-BC62453
Quercus chrysolepis
J. H. Thomas
1949-10-30
1203
Monterey
Santa Lucia Mountains, Los Padres National Forest. Vicinity of China Camp, between Jamesburg and Tassajara Hotsprings
1524
Comment
RSA652327
Quercus chrysolepis
T. C. Thomas
1974-7-30
s.n.
San Bernardino
Hwy. 2, below Wrightwood.
1372
Comment
JROH2473
Quercus douglasii
John Hunter Thomas
1981-4-27
20505
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSB68247
Quercus douglasii
Thomas, K.; Ferren, Wayne; Noel, I.
1993-6-8
Santa Barbara
Southern foothills of the San Rafael Range, Sedgwick Reserve, near stream confluence, Figueroa Creek
490
Comment
CAS-BOT-BC79557
Quercus dumosa
J. H. Thomas
1953-3-7
2818
Santa Cruz
Between Deer Creek and Kings Creek, 1.5 miles from Bielawski Lookout, northern Santa Cruz county
670
Comment
CAS-BOT-BC86439
Quercus dumosa
John H. Thomas
1958-4-19
7113
Napa
About 2 miles SW of Oakville
152
Comment
CHSC7171
Quercus durata
Lynn R. Thomas
1969-4-1
42
Monterey
E edge of Oasis Rd., ca. 5 mi n of jucntion with San Lucas Rd.; ca. 5 mi. s of King City.
152
Comment Read comments Jun 3 2019
JROH2483
Quercus durata var. durata
John H. Thomas
1970-4-28
15608
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2493
Quercus durata var. durata
John Hunter Thomas
1984-10-14
23484
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC105406
Quercus kelloggii
J. H. Thomas
1962-6-2
9904
Santa Clara
Top of Monte Bello Ridge
Comment
JROH2502
Quercus kelloggii
John H. Thomas
1971-8-7
16017
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA187425
Quercus kelloggii
John H. Thomas
1966-3-22
11533
Napa
About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena.
610
Comment
CAS-BOT-BC62867
Quercus lobata
John H. Thomas
1955-5-5
4974
Santa Clara
Along Guadalupe Creek, about 6.5 miles south of center of San Jose
Comment
JROH2526
Quercus lobata
John Hunter Thomas
1987-5-26
24322
San Mateo
Jasper Ridge Biological Preserve, Stanford University; by old bridge to causeway
Comment
RSA118970
Quercus lobata
John H. Thomas
1955-6-14
5210
Santa Clara
Stanford University Campus, near intersection of Stanford and Mayfield Avenues.
30
Comment
RSA118976
Quercus parvula var. shrevei
John H. Thomas
1953-2-15
2788
Santa Cruz
Boulder Creek Highway.
259
Comment
CAS-BOT-BC104584
Quercus vacciniifolia
John H. Thomas; Hazelle A. Thomas
1956-7-21
6148
Placer
Vicinity of Donner Pass, about 80 miles NE of Sacramento
2377
Comment
CAS-BOT-BC134844
Quercus wislizeni
J. H. Thomas
1964-8-27
10467
Santa Cruz
Along Empire Grade about 1 mile S of its intersection Felton - Bonny Doon Road
518
Comment
RSA118974
Quercus wislizeni var. wislizeni
John H. Thomas
1955-7-16
5248
Monterey
1.5 miles E of Nacimiento Summit as measured along the road.
701
Comment
CAS-BOT-BC362432
Rafinesquia californica
John H. Thomas
1973-4-23
16639
San Benito
Pinnacles National Monument. High Peaks Trail, southern part
762
Comment
CAS-BOT-BC362550
Rafinesquia californica
John H. Thomas
1961-5-7
9294
San Mateo
San Bruno Mountain in northern part of county
396
Comment
CAS-BOT-BC362821
Raillardella scaposa
H. A. Thomas; J. H. Thomas
1954-9-11
4596
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, Fourth Recess, and adjacent Mono Creek. Lower part of Pioneer Basin. Alt. about 10,000 to 11,000 ft
3657
Comment
CAS-BOT-BC362822
Raillardella scaposa
H. A. Thomas; J. H. Thomas
1955-9-12
5469
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Around lowest lake in Pioneer Basin. Altitude about 10400 feet
3931
Comment
CAS-BOT-BC379277
Ranunculus alismifolius var. alismellus
John H. Thomas; Hazelle A. Thomas
1956-7-21
6086
Placer
Sierra Nevada; vicinity of Donner Pass, about 80 mi northeast of Sacramento 0000000000000000000000000
2377
Comment
UC1236506
Ranunculus californicus
J. H. Thomas
1953-5-23
3179
Santa Cruz
near Glenwood (summer girl's camp); Saint Mary of the Palms
304
Comment
CAS-BOT-BC378655
Ranunculus californicus var. californicus
J. H. Thomas
1954-5-26
4204
Santa Cruz
northern end of Hilton Airport, between airstrip and highway 0000000000000000000000000
244
Comment
CAS-BOT-BC378661
Ranunculus californicus var. californicus
John H. Thomas
1950-3-30
1396
Santa Cruz
Soquel Valley, 1 mi south of Mountain School 000000000000000000000000
Comment
CAS-BOT-BC378653
Ranunculus californicus var. californicus
John H. Thomas
1955-4-15
4916
Santa Clara
Stanford University Campus; near intersection of Mayfield and Stanford Avenues
Comment
CAS-BOT-BC378662
Ranunculus californicus var. californicus
John H. Thomas
1950-4-9
1488
Santa Cruz
about 2-3 mi west of Santa Cruz
Comment
RSA132486
Ranunculus californicus var. cuneatus
John H. Thomas
1950-3-19
1307
San Mateo
Near intersection of Coast Hwy and road to Swanton, 1 mile SE of mouth of Waddell Creek.
30
Comment Read comments Nov 16 2021
VVC3078
Ranunculus cymbalaria
Tim Thomas, P. J. MacKay
2015-5-10
6620
Los Angeles
San Gabriel Mtns, Jackson Lake
1896
Comment
VVC3079
Ranunculus testiculatus
Tim Thomas, P. J. MacKay
2015-5-10
6622
Los Angeles
San Gabriel Mtns, Jackson Lake
1896
Comment
CAS-BOT-BC74355
Raphanus sativus
J. H. Thomas
1950-3-27
1361 B
Santa Cruz
Davenport Landing.
Comment
CAS-BOT-BC74360
Raphanus sativus
J. H. Thomas
1954-5-26
4213
Santa Cruz
Northern end of Hilton Airport between airstrip and highway.
243
Comment
SEINET12209558
Rhamnus californica subsp. tomentella
J. H. Thomas
1950-1
2000
Santa Cruz
4.7 mi toward Saratoga Summit from Big Basin Junction
686
Comment
JROH3559
Rhamnus crocea
John H. Thomas
1963-3-20
10029
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near Westridge end of ridge.
Comment
JROH3566
Rhamnus crocea
John Hunter Thomas
1981-4-27
20503
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSB68317
Rhamnus ilicifolia
Kathryn Thomas, Kathy Rindlaub, Lynn Houng
1993-5-16
SR- 254
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Near blue schist, below flat
579
Comment
JROH3568
Rhamnus ilicifolia
John H. Thomas
1972-5-5
16078
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC109784
Rhodiola integrifolia subsp. integrifolia
H. A. Thomas; J. H. Thomas
1955-9-10
5444
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Along Golden Creek between 4th Recess and Golden Lake.
3352
Comment
CAS-BOT-BC109819
Rhodiola integrifolia subsp. integrifolia
John H. Thomas
1961-9-9
9729
Inyo
Sierra Nevada. Mono Mesa, near the junction of Mono, Inyo, and Fresno counties. On the southwest edge of the mesa.
3718
Comment
CAS-BOT-BC53756
Rhododendron columbianum
Hazelle A. Thomas; J. H. Thomas
1955-6-26
678
Mendocino
Pine Barrens about 3 miles southeast of town of Fort Bragg.
91
Comment
CAS-BOT-BC58169
Rhododendron columbianum
H. A. Thomas; J. H. Thomas
1954-9-12
4610
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, between 3rd and 4th Recess, and adjacent Mono Creek.
3657
Comment
SD49803
Rhododendron occidentale
J. H. Thomas
1953-5-10
3131
Santa Cruz
Northern end of Hilton Airport, between airstrip and highway.
239
Comment
RSA133726
Rhododendron occidentale var. occidentale
John H. Thomas
1955-5-22
5190
Sonoma
Graton-occidental Road about 3.5 miles west of Occidental.
61
Comment
CAS-BOT-BC443361
Ribes
J. H. Thomas
1960-5-14
8709
Tuolumne
Sierra Nevade. Pigeon Flat below Sonora Pass.
1828
Comment
CHSC13900
Ribes californicum
Lynn R. Thomas
1969-4-3
62
Monterey
N edge Cachugua Rd., ca 10 mi E of junction with Carmel Valley-Tularcitos Rd.
182
Comment
RSA124767
Ribes californicum
John H. Thomas
1959-2-23
7518
San Mateo
Jasper Ridge, about 5 mi SW of Palo Alto.
152
Comment
RSA176616
Ribes californicum
John H. Thomas
1964-4-7
10302
San Mateo
Near edge of Searsville Lake. Jasper Ridge Biological experiment area, about 5 miles SW of Palo Alto. Coordinates are approximate.
Comment
JROH2635
Ribes californicum var. californicum
John H. Thomas
1958-2-15
6989
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA121415
Ribes cereum
W. D. Thomas
1935-7-2
124
Alpine
Along Ebbetts Pass Hwy.
2226
Comment
UC1127254
Ribes cereum
W. D. Thomas
1935-7-2
124
Alpine
Ebbetts Pass Highway Mono National Forest, Markleeville Quadrangle
Comment
JROH2657
Ribes divaricatum var. pubiflorum
John Hunter Thomas
1992-4-7
25132
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Causeway.
Comment
CAS-BOT-BC173365
Ribes lobbii
J. H. Thomas
1949-6-13
912
Humboldt
Along trail between Le Perron Flat and Whitey's Peak. Six Rivers National Forest. (East of town of Orleans)
1371
Comment
CAS-BOT-BC212871
Ribes menziesii
J. H. Thomas
1966-4-10
s.n.
Santa Cruz
University of California, Santa Cruz campus
Comment
RSA652593
Ribes roezlii
T. C. Thomas
1974-7-5
s.n.
Los Angeles
Vincent Gap, Hwy 2.
1768
Comment
UC566039
Ribes roezlii
W. D. Thomas
1935-7-2
123
Alpine
2 1/4 mi nw Silver Peak; Markleeville Quadrangle
2225
Comment
UCSB2658
Ribes roezlii
Thomas, Cynthia
1959-7-17
Santa Barbara
Refugio Creek; 3 mi inside Los Padres National Forest
53
Comment
CAS-BOT-BC199980
Ribes roezlii var. cruentum
John H. Thomas
1954-5-14
4185
Siskiyou
Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville
1219
Comment
CAS-BOT-BC144585
Ribes sanguineum var. glutinosum
John H. Thomas
1953-3-24
2900
Santa Cruz
Vicinity of Southern Pacific Railroad trestle along the San Lorenzo River, about 3.5 miles from mouth of San Lorenzo River
91
Comment
JROH2676
Ribes sanguineum var. glutinosum
John H. Thomas
1975-5-2
17853
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2678
Ribes sanguineum var. glutinosum
John Hunter Thomas
1977-6-16
18792
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along raised causeway.
Comment
CAS-BOT-BC207166
Ricinus communis
John H. Thomas
1957-3-9
6495
Los Angeles
Hills north of Eagle Rock, about 3-4 miles east of Pasadena
304
Comment
RSA133973
Ricinus communis
John H. Thomas
1959-8-15
8063
Santa Clara
Along banks and bottom of San Francisquito Creek between University Ave. and Bayshore Freeway. Palo Alto.
0
Comment
JROH1207
Rigiopappus leptocladus
John Hunter Thomas
1990-5-2
24833
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC363069
Rigiopappus leptocladus
John H. Thomas
1978-4-23
19127
San Benito
Pinnacles National Monument. High Peaks, Condor Gulch, Bear Gulch trail loop
762
Comment
UC1244705
Robinia pseudoacacia
John H. Thomas
1959-8-27
8125
Santa Cruz
Watsonville; intersection of Main Street and Southern Circle, vacant lot
Comment
RSA176697
Rorippa curvisiliqua
John H. Thomas
1961-5-4
9204
Santa Clara
Stanford University Campus. Dry lake bed of Lagunita.
Comment
UC1236535
Rorippa nasturtium-aquaticum
John H. Thomas
1955-6-14
5208
Santa Clara
near intersection of Stanford Avenue and Mayfield Avenue (Stanford University Campus); Stanford University Campus
30
Comment
JROH1583
Rorippa palustris subsp. palustris
John Hunter Thomas
1979-9-9
19712
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on dam
Comment
CAS-BOT-BC74796
Rorippa palustris var. palustris
John H. Thomas
1961-5-4
9204
Santa Clara
Stanford University Campus. Dry lake bed of Lagunita.
Comment
CAS-BOT-BC152636
Rosa californica
J. H. Thomas
1950-9-24
2412
Santa Cruz
Between Watsonville Slough and Pacific Ocean near Pajaro River
Comment
RSA185769
Rosa californica
John H. Thomas
1950-9-24
2412
Santa Cruz
Between Watsonville Slough and Pacific Ocean near Pajaro River
Comment
CAS-BOT-BC146717
Rosa gymnocarpa
J. H. Thomas
1950-5-6
1816
Santa Cruz
Upper end of Bloom's Grade, between Big Basin and Boulder Creek
Comment
UC1189996
Rosa gymnocarpa
J. H. Thomas
1950-5-13
1846
Santa Cruz
along Skyline Blvd. about 7.3 mi se Saratoga Summit
853
Comment
JROH3762
Rosa gymnocarpa var. gymnocarpa
John Hunter Thomas
1982-9-12
21158
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC148214
Rosa spithamea
J. H. Thomas
1949-10-23
1171
Santa Cruz
0.25 miles northwest of San Lorenzo School, 1 mile north of Felton
121
Comment
UCD92306
Rostraria cristata
James Thomas
1967-5-2
s.n.
Tulare
5 miles east of Ducor at Fountain Springs.
Comment
CAS-BOT-BC156651
Rubus bifrons
J. H. Thomas
1960-4-26
8596
Santa Cruz
Along highway no. 9, 1 mile NW. of Ben Lomond
152
Comment
UC1252089
Rubus discolor
J. H. Thomas
1959-6-11
8001
Santa Cruz
along highway No. 9, 1 mi nw Ben Lomond; nw of Ben Lomond
152
Comment
CAS-BOT-BC152810
Rubus parviflorus
J. H. Thomas
1950-5-6
1791
Santa Cruz
Along Boulder Creek about 1 mile upstream from town of Boulder Creek
198
Comment
JROH3771
Rubus parviflorus
John H. Thomas
1970-5-16
15632
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCR209099
Rubus parviflorus
Tim Thomas, P. J. MacKay
2009-5-23
4745
San Bernardino
San Bernardino Mountains, FS Road 2N45 just below the intersection with FS Road 2N49
1628
Comment
VVC1823
Rubus parviflorus
Tim Thomas, PJ MacKay
2009-5-23
4745
San Bernardino
San Bernardino Mtns, FS 2N45 at 5340' just blw intersection w FS 2N49; SW of Silverwood Lake.
1628
Comment
RSA140815
Rubus parviflorus var. velutinus
John H. Thomas
1953-6-18
3399
Santa Cruz
Near a tributary of San Vicente Creek. About 4 miles N of Davenport.
213
Comment
JROH3781
Rubus ursinus
John Hunter Thomas
1982-5-18
20946
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along Searsville Lake near bridge
Comment
CAS-BOT-BC363191
Rudbeckia californica
John H. Thomas
1961-9-15
9784
Tuolumne
Between Sonora Pass and the Dardanelles along Highway 108
2590
Comment
CAS-BOT-BC110492
Rumex
John H. Thomas
1982-6-27
21043
San Benito
Pinnacles National Monument. Visitors' Center to Reservoir.
Comment
CAS-BOT-BC422053
Rumex acetosella
J. H. Thomas
1958-4-18
7103
San Francisco
Corona Heights.
152
Comment
CAS-BOT-BC422081
Rumex acetosella
John H. Thomas
1964-4-30
10362
San Mateo
San Bruno Mountain in northern part of county.
396
Comment
CAS-BOT-BC422120
Rumex acetosella
J. H. Thomas
1953-5-2
3096
Santa Cruz
Sunset Beach State Park.
6
Comment
RSA195649
Rumex acetosella
John H. Thomas
1953-4-4
2950
Santa Cruz
Waterman Gap, along Hwy 9, 6 miles N of Boulder Creek.
244
Comment
CAS-BOT-BC422082
Rumex acetosella
John H. Thomas
1963-7-19
10195 B
San Mateo
Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz.
Comment
CAS-BOT-BC433368
Rumex crispus
J. H. Thomas
1949-4-2
222 A
San Mateo
Palo Alto Yacht Club.
Comment
JROH3306
Rumex pulcher
John H. Thomas
1967-6-1
12964
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCD101459
Rumex pulcher
John H. Thomas
1958-5-13
7214
Santa Clara
Stanford University Campus. Opposite the Hacienda along Escondido Rd.
15
Comment
CAS-BOT-BC433773
Rumex pulcher
J. H. Thomas
1958-6-26
7256
Alameda
Along Jarvis Rd. between Marsh Rd. and Eastshore Freeway, about 2 miles north of center of Newark.
15
Comment
JROH3311
Rumex pulcher
John Hunter Thomas
1988-5-25
24490
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Road near low flow crossing.
Comment
CAS-BOT-BC434134
Rumex transitorius
John H. Thomas
1964-6-19
10426
San Mateo
0.9 miles south of Tunitas Creek near Coast Highway.
60
Comment
CAS-BOT-BC434138
Rumex transitorius
John H. Thomas
1958-6-13
7243
Santa Clara
Near North Gate at Moffett Field near Mountain View. Altitude near sea level.
Comment
CAS-BOT-BC454114
Ruppia cirrhosa
John H. Thomas
1953-5-31
3299
Santa Cruz
Soda Lake.
91
Comment
UC1108519
Ruppia cirrhosa
John H. Thomas
1953-5-31
3299
Santa Cruz
Soda Lake
91
Comment
JROH1714
Sagina apetala
John H. Thomas
1966-4-6
11548
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA159420
Sagina apetala
John H. Thomas
1961-5-14
9371
San Mateo
Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve.
152
Comment
RSA140837
Sagittaria calycina
John H. Thomas
1960-8-30
8848
Glenn
Roadside ditch about 0.7 miles N of Ordbend
Comment
RSA136081
Salicornia virginica
John H. Thomas
1950-9-24
2389
Santa Cruz
Between Watsonville Slough and Pacific Ocean near mouth of Pajaro River and Palm Springs Speedway.
Comment
CAS-BOT-BC132753
Salix arctica
H. A. Thomas; J. H. Thomas
1955-9-13
5491
Fresno
Between 2nd and 3rd groups of lakes in 4th Recess; Sierra Nevada; Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek
3413
Comment
CAS-BOT-BC132755
Salix arctica
H. A. Thomas; J. H. Thomas
1954-9-13
4629
Fresno
4th Recess; Sierra Nevada; Vicinity of Mono Pass, Pioneer Basin, Fourth Recess, and adjacent Mono Creek
3657
Comment
CAS-BOT-BC103341
Salix bonplandiana
J. H. Thomas
1951-4-8
2580
Santa Cruz
Along edge of Pajaro River, near Highway #1
Comment
CAS-BOT-BC103347
Salix bonplandiana
John H. Thomas
1950-5-14
1898
Santa Cruz
Along San Lorenzo River at Sycamore Grove Camp near Santa Cruz
Comment
CAS-BOT-BC108627
Salix breweri
J. H. Thomas; R. S. Ferris; W. Ernst
1956-7-14
13036
San Benito
Clear Creek, about 3.3 miles SW of Idria
975
Comment
VVC2657
Salix drummondiana
Tim Thomas, P. J. MacKay
2011-7-8
5474
Inyo
Southern High Sierra, Cottonwood Lakes Basin, on south trail btw ck xing and waterfall
3262
Comment
JROH3871
Salix lasiandra var. lasiandra
John H. Thomas
1968-5-17
14177
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CHSC7061
Salix lasiolepis
Lynn R Thomas
1969-5-8
112
Butte
Bidwell Ave., 0.15 mi e of Rose Ave. bridge, Chico.
60
Comment
RSA202742
Salix lasiolepis
John H. Thomas
1953-3-8
2848
Santa Cruz
Hestor Creek drainage. About 4 miles from jct of Hestor and Soquel creeks.
Comment
CAS-BOT-BC108258
Salix lasiolepis var. bigelovii
John H. Thomas
1974-5-7
17316
San Mateo
San Bruno Mountain - along Guadalupe Parkway opposite school. Western side of mountain.
Comment
CAS-BOT-BC128331
Salix lasiolepis var. lasiolepis
John H. Thomas
1954-3-5
3735
Santa Cruz
Summit of Los Gatos - Santa Cruz Highway. State Highway #17 near Santa Clara - Santa Cruz Co. line.
548
Comment
CAS-BOT-BC128332
Salix lasiolepis var. lasiolepis
John H. Thomas
1953-2-1
2738
Santa Cruz
About 3.5 miles NE of Watsonville near highway 152.
91
Comment
CAS-BOT-BC128337
Salix lasiolepis var. lasiolepis
J. H. Thomas
1953-2-1
2740
Santa Cruz
About 3.5 miles NE of Watsonville, near highway 152
91
Comment
CAS-BOT-BC128374
Salix lasiolepis var. lasiolepis
John H. Thomas
1953-2-15
2784
Santa Cruz
Growing along a small stream at the northern end of Hilton Airport
243
Comment
CAS-BOT-BC125681
Salix melanopsis
H. A. Thomas; J. H. Thomas
1954-7-1
4456
Siskiyou
Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek
883
Comment
CAS-BOT-BC125682
Salix melanopsis
H. A. Thomas; J. H. Thomas
1954-7-23
4457
Siskiyou
Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek
883
Comment
CAS-BOT-BC129365
Salix orestera
John H. Thomas
1959-9-13
8154
Fresno
Sierra Nevada - vicinity of Mono Pass, Pioneer Basin, 4th Recess, and upper Mono Creek. Vicinity of lower lake in 4th Recess.
3931
Comment
UC1135048
Salix orestera
W. D. Thomas
1935-8-22
396
Tuolumne
e. side of Lower McCabe Lake (from Plot 14); Yosemite Nat'l Park, Mt. Lyell Quadrangle
Comment
CAS-BOT-BC125897
Salix planifolia
John H. Thomas
1964-9-15
10497
Fresno
Sierra Nevada. Vicinity of Mono Pass, 4th Recess, Pioneer Basin, and upper Mono Creek. Near southern end of 4th Recess Lake
3048
Comment
CAS-BOT-BC128958
Salix sitchensis
John H. Thomas
1966-3-19
11483
Humboldt
Near Westhaven Drive and highway 101, Trinidad
60
Comment
CAS-BOT-BC229936
Salvia mellifera
John H. Thomas
1957-3-9
6499
Los Angeles
Chaparral covered hills north of Eagle Rock, about 3-4 miles east of Pasadena
304
Comment
CAS-BOT-BC233389
Salvia mellifera
John H. Thomas
1953-7-15
3483
Santa Cruz
Eagle Rock, about 4 miles NW of Boulder Creek
746
Comment
CAS-BOT-BC233390
Salvia mellifera
John H. Thomas
1950-4-15
1551
Santa Cruz
Pajaro river Valley
Comment
CHSC790
Salvia mellifera
E. Thomas
1940-3-10
Los Angeles
Claremont.
Comment
RSA195673
Salvia mellifera
John H. Thomas
1966-5-31
11645
Santa Clara
Along Hwy 17 near Lexington Dam 3 miles S of Los Gatos.
Comment
VVC2997
Salvia mohavensis
Tim Thomas, G Rink, A Schuab
2014-3-25
6212
San Bernardino
Mojave Desert, Johnson Valley; north slope mountain 3.5 miles West of Galway Dry Lk.
979
Comment
CAS-BOT-BC238864
Sambucus nigra subsp. caerulea
J. H. Thomas
1956-6-24
6006
Santa Cruz
Santa Cruz Mountains. 0.7 miles SW of Eagle Rock
609
Comment
CAS-BOT-BC238867
Sambucus nigra subsp. caerulea
J. H. Thomas
1954-6-24
4329
Santa Cruz
Northern end of Hilton Airport, between airstrip and highway
243
Comment
JROH1673
Sambucus nigra subsp. caerulea
John Hunter Thomas
1981-5-5
20544
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1675
Sambucus nigra subsp. caerulea
John Hunter Thomas
1985-5-22
23669
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSB68203
Sambucus nigra subsp. caerulea
Thomas, Kathryn; Houng, Lynn
1993-4-5
Santa Barbara
Southern foothills of the San Rafael Range, Sedgwick Reserve, above wetland near upper ranch at USFS sign
719
Comment
UCSB68109
Sanicula arguta
Kathryn Thomas, Wayne Ferren
1993-4-20
SR- 149
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Upper vernal valley
353
Comment
CAS-BOT-BC223331
Sanicula bipinnatifida
John H. Thomas
1961-3-22
8983
Santa Clara
At Edenvale, about 5 miles south-east of San Jose
91
Comment
RSA159402
Sanicula bipinnatifida
John H. Thomas
1961-3-22
8983
Santa Clara
Hills at Edenvale, about 5 miles south-east of San Jose.
91
Comment
JROH335
Sanicula crassicaulis
John H. Thomas
1973-4-14
16552
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH341
Sanicula crassicaulis
John H. Thomas
1977-4-28
18562
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH344
Sanicula crassicaulis
John Hunter Thomas
1986-5-1
23996
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA133665
Sanicula crassicaulis
John H. Thomas
1950-4-9
1494
Santa Cruz
2-3 miles west of Santa Cruz
Comment
RSA134130
Saponaria officinalis
John H. Thomas
1954-7-9
4377
Santa Clara
Uvas Road, about 7 miles NW of Gilroy.
122
Comment
RSA185742
Saponaria officinalis
John H. Thomas
1954-7-9
4351
Santa Clara
Carnadero Creek at intersection of Thomas Road, about 1 mile south of Gilroy.
61
Comment
RSA133724
Satureja douglasii
John H. Thomas
1953-5-10
3113
Santa Cruz
1 mile toward Saratoga summit from intersection of State Highway 9 and Big Basin Road.
457
Comment
RSA134101
Satureja douglasii
John H. Thomas
1950-9-23
2375
Santa Cruz
Foot of Blooms Grade, 3 miles NW of Boulder Creek.
244
Comment
CAS-BOT-BC436875
Saxifraga
John H. Thomas
1962-9-10
9982
Fresno
4th Recess just west of Lower Snow Lake, vicinity of Mono Pass, 4th Recess, Pioneer Basin and upper Mono Creek
3505
Comment
VVC2652
Saxifraga nidifica var. nidifica
Tim Thomas, B Keelan
2011-7-5
5454
Inyo
Southern High Sierra, Cottonwood Lakes Basin; just northwest of GTC 350 feet above valley floor.
3232
Comment
RSA133685
Scandix pecten-veneris
John H. Thomas
1950-4-16
1594
Santa Cruz
Between Pacific Ocean and Watsonville Slough near mouth of Pajaro River.
Comment
RSA134134
Scandix pecten-veneris
John H. Thomas
1957-6-17
6813
Santa Clara
On road bank near Ryan High Voltage Laboratory, Stanford campus.
Comment
CAS-BOT-BC218936
Schinus molle
John H. Thomas
1960-6-25
8788
San Mateo
Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street
7
Comment
RSA185871
Schoenoplectus maritimus
John H. Thomas
1955-8-1
5315
Santa Clara
Alviso
Comment
RSA135637
Schoenoplectus pungens
John H. Thomas
1950-4-29
1719
Santa Cruz
Mouth of Waddell Creek
Comment
CAS-BOT-BC111784
Schoenoplectus pungens var. longispicatus
John Hunter Thomas
1960-6-25
8797
San Mateo
Redwood City. Along or near a small creek running into Redwood Slough,
7
Comment
VVC3136
Scirpus clementis
Tim Thomas, PJ MacKay
2002-7-5
2644
Inyo
Southern High Sierra, Cottonwood Lakes Basin; frog pond just below Lk 6.
3535
Comment
UC1190029
Scirpus microcarpus
J. H. Thomas
1950-9-23
2382
Santa Cruz
3 mi nw Boulder Creek (foot of Blooms Grade); foot Blooms Grade, nw of Boulder Creek
243
Comment
CAS-BOT-BC518999
Scoliopus bigelovii
J. H. Thomas
1960-3-1
8539
San Mateo
Along Kings Mt. road about 1/2 mile below Skyline Blvd.
609
Comment
RSA132362
Scoliopus bigelovii
John H. Thomas
1960-3-1
8539
San Mateo
Dense redwood forest along Kings Mt. road about 0.5 mile below Skyline Blve.
610
Comment
VVC2081
Scribneria bolanderi
Tim Thomas, P. J. MacKay
2011-6-18
5437
San Bernardino
San Bernardino Mtns., Along FS2N33 east of Pilot Rock just west of Grass Valley Ck.
1486
Comment
VVC2074
Scutellaria siphocampyloides
Tim Thomas, P. J. MacKay
2011-6-25
5444
San Bernardino
San Bernardino Mtns, Grays Peak, lower trail.
2064
Comment
CAS-BOT-BC314200
Sedum radiatum subsp. radiatum
J. H. Thomas
1953-6-14
3377
Santa Cruz
Northern end of Hilton Airport, open area between highway and airstrip.
243
Comment
CAS-BOT-BC63821
Sedum radiatum subsp. radiatum
J. H. Thomas
1954-6-24
4325
Santa Cruz
Northern end of Hilton Airport, open area between highway and airstrip.
243
Comment
JROH1897
Sedum spathulifolium
John Hunter Thomas
1981-5-5
20535
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
VVC2879
Selaginella bigelovii
Tim Thomas, P. J. MacKay
2010-4-12
5053
Riverside
San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw.
878
Comment
CAS-BOT-BC69706
Selaginella wallacei
John H. Thomas
1966-3-20
11505
Mendocino
About 8 mi. northward from Leggett as measured along Highway 101, along s. fork of the Eel River.
Comment
CAS-BOT-BC69036
Selaginella watsonii
John H. Thomas
1957-9-3
6923
Inyo
Sierra Nevada - Mono Mesa, near the junction of mono, Inyo, and Fresno Counties.
3718
Comment
CAS-BOT-BC69041
Selaginella watsonii
John H. Thomas
1957-9-3
6923
Inyo
Sierra Nevada - Mono Mesa, near the junction of Mono, Inyo, and Fresno Counties.
3718
Comment
UCD135502
Senecio glomeratus
John H. Thomas
1953-5-31
3305
Santa Cruz
North of Soda Lake.
152
Comment
CAS-BOT-BC364045
Senecio integerrimus var. major
J. H. Thomas
1954-5-13
4137
Siskiyou
Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek
1066
Comment
CAS-BOT-BC341246
Senecio scorzonella
John H. Thomas
1959-9-13
8156
Fresno
Sierra Nevada. Vicinity of Mono Pass, 4th Recess, Pioneer Basin, and upper Mono Creek. Vicinity of lower lake in 4th Recess
3931
Comment
CAS-BOT-BC364152
Senecio serra
John H. Thomas
1959-9-10
8137
Fresno
Sierra Nevada. Vicinity of Mono Pass, 4th Recess, Pioneer Basin, and upper Mono Creek. 4th Recess near lower end of first lake
3931
Comment
CAS-BOT-BC364327
Senecio triangularis
H. A. Thomas; J. H. Thomas
1954-9-12
4616
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, Fourth Recess, and adjacent Mono Creek. Mono Creek between 3rd and 4th Recess. Alt. about 10,000 ft.
3657
Comment
CAS-BOT-BC364668
Senecio vulgaris
J. H. Thomas
1953-2-1
2733
Santa Cruz
Vacant lot at corner of East Lake Ave. and Hushbeck St., Watsonville
30
Comment
JROH1223
Senecio vulgaris
John H. Thomas
1967-4-20
12706
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1225
Senecio vulgaris
John H. Thomas
1973-3-12
16497
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC364581
Senecio vulgaris
John H. Thomas
1970-4-15
15549
Merced
About 11 miles northeast of Gustine along highway 140 near Bridge 39-91 over slough near San Joaquin River
Comment
CAS-BOT-BC80282
Sequoia sempervirens
John H. Thomas
1968-2-4
14142
Mendocino
Diamond Grove, about 1 mile north of Weott
Comment
CAS-BOT-BC10709
Sequoiadendron giganteum
John Hunter Thomas
1970-5-24
15638
Tuolumne
Yosemite National Park, Tuolumne Grove, about 1.5 mi NW of Crane Flat.
1828
Comment
CAS-BOT-BC438172
Sesuvium verrucosum
J. H. Thomas
1949-4-23
434
San Bernardino
Between Parker Dam and Cross Roads, along Colorado River.
Comment
UC1102724
Setaria pumila
J. H. Thomas
1960-8-30
8850
Glenn
roadside ditch ca. 0.7 mi. n. Ordbend
Comment
CAS-BOT-BC240167
Setaria verticillata
John H. Thomas
1971-9-16
16022
Santa Clara
Palo Alto. Along Waverley Street between Hamilton Avenue and University Avenue
15
Comment
CAS-BOT-BC240267
Setaria viridis
John H. Thomas
1961-8-13
9659
Santa Cruz
Near intersection of Highways 5 and 9 near Saratoga summit
548
Comment
JROH5462
Setaria viridis
John Hunter Thomas
1981-9-24
20748
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCD92871
Setaria viridis
J. H. Thomas
1960-8-22
8831
Santa Clara
Palo Alto. Along El Camino Real at Wells Ave. between Embarcadero and University Ave.
Comment
JROH3830
Sherardia arvensis
John H. Thomas
1967-3-26
12421
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3834
Sherardia arvensis
John Hunter Thomas
1984-5-3
23341
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Oak woodland below Rattlesnake Rock
Comment
RSA185848
Sidalcea malviflora subsp. laciniata
John H. Thomas
1950-3-30
1403
Santa Cruz
Soquel Valley, 1 mile south of Mountain School
Comment
RSA187474
Sidalcea malviflora subsp. malviflora
John H. Thomas
1964-4-30
10360
San Mateo
San Bruno Mtn in northern part. Northern Coastal Scrub of Munz and Keck
305
Comment
UC1190000
Sidalcea malviflora subsp. malviflora
John H. Thomas
1955-4-6
4877
San Francisco
North Peak , Twin Peaks (Twin Peaks)
259
Comment
UC1125001
Sidalcea oregana subsp. spicata
W. D. Thomas
1935-7-9
163
Alpine
2 mi n Leviathan Peak; Mono National Forest, Markleeville Quad.
Comment
CAS-BOT-BC393456
Silene gallica
John H. Thomas
1953-5-2
3093
Santa Cruz
Sunset beach State Park
6
Comment
UC1190006
Silene gallica
J. H. Thomas
1953-5-23
3193
Santa Cruz
summer girls' camp near Glenwood; Saint Mary of the Palms, near Glenwood
304
Comment
JROH1732
Silene gallica
John H. Thomas
1971-4-10
15757
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1740
Silene gallica
John Hunter Thomas
1986-4-24
23978
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Escobar Gate
Comment
CHSC223
Silene laciniata subsp. laciniata
E. Thomas
1940-5-26
Riverside
Comment
CAS-BOT-BC389791
Silene sargentii
John H. Thomas
1957-9-3
6908
Inyo
Sierra Nevada. Mono Mesa, near the junction of Mono, Inyo, and Fresno Counties
3718
Comment
CAS-BOT-BC389792
Silene sargentii
John H. Thomas
1961-9-9
9742
Inyo
Sierra Nevada. Mono Mesa, near the junction of Mono, Inyo, and Fresno Counties
3718
Comment
RSA124801
Silene vulgaris
John H. Thomas
1958-6-13
7236
Santa Clara
Disturbed field near North Gate at Moffett Field near Mountain View.
0
Comment
CAS-BOT-BC389906
Silene vulgaris
J. H. Thomas
1956-7-25
s.n.
Santa Clara
Near main entrance to Moffat [Moffett] Field
Comment
CAS-BOT-BC364838
Silybum marianum
J. H. Thomas
1958-5-13
7172
San Francisco
San Francisco. Western end of Golden Gate Park near the Sloop Gjoa. Area about sea level
Comment
CAS-BOT-BC202934
Simmondsia chinensis
John H. Thomas
1957-4-6
6645
San Bernardino
Mojave Desert. 1.4 miles north of Yucca Valley on road to Lucerne Valley. About 19 miles west of town of Twentynine Palms
914
Comment
RSA176693
Sinapis alba
John H. Thomas
1961-5-4
9202
Santa Clara
Stanford University Campus. Dry lake bed of Lagunita.
Comment
CAS-BOT-BC74912
Sinapis arvensis
J. H. Thomas
1957-3-29
6519
Riverside
Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks.
609
Comment
CAS-BOT-BC74997
Sinapis arvensis
John H. Thomas
1960-9-3
8879
Santa Clara
Near main entrance to Moffett field near Mountain View.
0
Comment
CAS-BOT-BC75364
Sisymbrium officinale
John H. Thomas
1950-5-28
1937
Santa Cruz
Between Saratoga Summit and Big Basin Junction.
Comment
RSA133720
Sisymbrium officinale
John H. Thomas
1953-5-30
3259
Santa Cruz
In SE part of county and near SPRR tracks.
91
Comment
RSA133661
Sisyrinchium bellum
John H. Thomas
1953-3-23
2869
Santa Cruz
Saint Mary of the Palms, summer girls camp near Glenwood.
305
Comment
CAS-BOT-BC231742
Solanum
J. H. Thomas
1963-11-29
10272 A
Santa Clara
Stanford University Campus. Growing in parking in front of Chemistry Building
Comment
RSA135633
Solanum physalifolium var. nitidibaccatum
John H. Thomas
1955-8-1
5324
Santa Clara
Santa Clara Valley. Blossom Hill and Harwood Roads, near Lone hill, 6 miles S of center of San Jose.
Comment
CAS-BOT-BC154727
Solanum umbelliferum
J. H. Thomas
1950-2-19
1238
San Diego
Torrey Pine State Park, northern part of City of San Diego. Along Pacific Ocean
Comment
CAS-BOT-BC83627
Solanum umbelliferum
J. H. Thomas
1950-10-1
2475
Santa Cruz
Rancho del Oso, about 1 mile inland from coast, 8.5 miles NW of Davenport.
Comment
JROH1236
Solidago velutina subsp. californica
John Hunter Thomas
1989-6-17
24779
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC365936
Soliva sessilis
J. H. Thomas
1954-6-11
4283
San Mateo
About 0.25 miles north of Pigeon Point Light House
Comment
CAS-BOT-BC365951
Soliva sessilis
John H. Thomas
1960-4-16
8593 A
Santa Cruz
About 1.5-2 miles inland from the mouth of Waddell Creek
30
Comment
CAS-BOT-BC365952
Soliva sessilis
John H. Thomas
1959-4-4
7645
Santa Cruz
Hilton Airport, about 3 miles NW of Boulder Creek
243
Comment
JROH1252
Soliva sessilis
John Hunter Thomas
1989-5-9
24709
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA195396
Soliva sessilis
John H. Thomas
1954-6-11
4283
San Mateo
About 0.25 miles north of Pigeon Point Light House along low coastal bluffs.
Comment
JROH1238
Soliva sessilis
John H. Thomas
1955-5-6
5000
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC374517
Sonchus asper
J. H. Thomas
1953-5-30
3246
Santa Cruz
Along Pajaro River near bridge on San Juan Bautista - Watsonville highway (#67)
91
Comment
CAS-BOT-BC374511
Sonchus asper
J. H. Thomas
1964-10-18
10518
Santa Clara
838 Cedro Way, Stanford
Comment
CAS-BOT-BC235296
Sorghum bicolor
J. H. Thomas
1963-11-10
10270
Santa Clara
Stanford University Campus. Between Museum Building and Anatomy Building
Comment
CAS-BOT-BC236581
Sorghum halepense
John H. Thomas
1968-10-6
14846
San Mateo
Vicinity of railroad tracks and Dumbarton Bridge causeway entrance, east of Palo Alto
Comment
CAS-BOT-BC236582
Sorghum halepense
J. H. Thomas
1965-9-8
11444
San Mateo
Near intersection of Bayshore and University Avenue, east Palo Alto
Comment
UC1190004
Sparganium erectum subsp. stoloniferum
John H. Thomas
1955-7-9
5235
Santa Clara
dry bed of Lake Lagunita (Stanford University); Stanford University
30
Comment
RSA133709
Sparganium eurycarpum
John H. Thomas
1953-5-31
3293
Santa Cruz
Along Pajaro River about 5.5 miles east of Watsonville
15
Comment
JROH5524
Sparganium eurycarpum var. eurycarpum
John Hunter Thomas
1979-5-22
19574
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5529
Sparganium eurycarpum var. eurycarpum
John Hunter Thomas
1990-6-7
24866
San Mateo
Jasper Ridge Biological Preserve, Stanford University; boat ramp near bridge over the 2 halves of Searsville Lake
Comment
JROH5531
Sparganium eurycarpum var. eurycarpum
John Hunter Thomas
1992-7-24
25390
San Mateo
Jasper Ridge Biological Preserve, Stanford University. In water near boat ramp.
Comment
CAS-BOT-BC389994
Spergula arvensis
John H. Thomas
1958-7-15
7320
San Francisco
San Francisco. North arm of Lake Merced between boat house and foot bridge
7
Comment
CAS-BOT-BC390009
Spergula arvensis
John H. Thomas
1961-5-7
9247
San Mateo
Colma. Field near intersection of El Camino Real and F Street
45
Comment
CAS-BOT-BC390022
Spergula arvensis
John H. Thomas
1956-4-3
5592
Santa Clara
Stanford University Campus. Near intersection of Stanford Ave. and Columbia St.
15
Comment
CAS-BOT-BC390040
Spergula arvensis
J. H. Thomas
1954-3-5
3746
Santa Cruz
Northern part of Hilton Airport between highway and airstrip
243
Comment
UCD99181
Spergula arvensis
J. H. Thomas
1953-2-1
2721
Santa Cruz
about 1/2 mile inland from Sea Cliff Beach State Park, which is between Santa Cruz and Watsonville.
60
Comment
RSA187158
Spergula arvensis
John H. Thomas
1966-3-19
11488
Humboldt
Southern end of Big Lagoon, just inland from the coast between Eureka and Crescent City.
0
Comment
CAS-BOT-BC390062
Spergularia
John H. Thomas
1959-3-19
7537
San Benito
About 10 miles northwest of Hollister
60
Comment
JROH1756
Spergularia
John Hunter Thomas
1978-4-25
19155
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1764
Spergularia
John Hunter Thomas
1986-4-30
23984
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1769
Spergularia
John Hunter Thomas
1988-5-25
24487
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near low flow crossing
Comment
CAS-BOT-BC390175
Spergularia bocconi
J. H. Thomas
1958-5-13
7185
San Francisco
San Francisco. Western end of Golden Gate Park near the Sloop Gjoa. Area about sea level
Comment
CAS-BOT-BC390456
Spergularia macrotheca var. macrotheca
John H. Thomas
1963-5-20
10103
San Mateo
Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz
Comment
CAS-BOT-BC390572
Spergularia rubra
J. H. Thomas
1958-6-13
7248
Santa Clara
Two miles N. of Milpitas near Alameda - Santa Clara Co. line near East Bay Freeway. Altitude about sea level
Comment
CAS-BOT-BC390707
Spergularia rubra
J. H. Thomas
1956-6-24
6002
Santa Cruz
Santa Cruz Mountains. 0.7 miles SW of Eagle Rock
609
Comment
RSA0098089
Spergularia rubra
John H. Thomas
1953-5-23
3168
Santa Cruz
Near summit of Santa Cruz- Los Gatos Highway, number 17.
549
Comment
UC1123208
Sphenosciadium capitellatum
W. D. Thomas
1935-8-20
373 A
Tuolumne
1 mi n upper Young Lake; Yosemite National Park, Mt. Lyell Quad., upper Young Lake
Comment
CAS-BOT-BC220969
Stachys
John H. Thomas
1957-5-3
6727
Los Angeles
North of Eagle Rock, about 3-4 miles east of Pasadena
304
Comment
JROH2907
Stachys bullata
John Hunter Thomas
1984-5-27
23407
San Mateo
Jasper Ridge Biological Preserve, Stanford University; beyond redwood grove along San Francisquito Creek, about 300 yards to the east
Comment
RSA176661
Stachys bullata
John H. Thomas
1961-7-2
9588
Santa Clara
Palo Alto, San Mateo, Santa Clara County line along San Francisquito Creek between University Ave and Newell Road.
0
Comment
RSA152069
Stachys rigida subsp. quercetorum
John H. Thomas
1961-5-12
9330
San Mateo
San Bruno Mountain in northern part of county.
305
Comment
JROH2892
Stachys rigida var. quercetorum
John H. Thomas
1967-5-12
12884
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC391063
Stellaria graminea
John H. Thomas; W. R. Ernst
1958-5-22
7202
Santa Clara
Stanford University Campus. In front of Jordan Hall
22
Comment
CAS-BOT-BC391065
Stellaria graminea
John H. Thomas; W. R. Ernst
1958-5-22
7202
Santa Clara
Stanford University Campus. In front of Jordan Hall
22
Comment
JROH1787
Stellaria media
John Hunter Thomas
1983-4-5
21323
San Mateo
Jasper Ridge Biological Preserve, Stanford University; low-flow crossing
Comment
CAS-BOT-BC397766
Stellaria media
John H. Thomas
1976-6-15
18310
Sonoma
Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala.
30
Comment
JROH1777
Stellaria media
J. H. Thomas
1963-2-21
10021
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along old road at Westridge end of ridge
Comment
RSA187246
Stellaria nitens
John H. Thomas
1950-4-2
1453
Santa Barbara
Santa Cruz Island. About 1 mile NW of Scott Valley, between Scott Valley and Felton.
Comment
CAS-BOT-BC397733
Stellaria nitens
John H. Thomas
1973-4-23
16607
San Benito
Pinnacles National Monument, Visitor Center to Bear Gulch Reservoir
502
Comment
CAS-BOT-BC397735
Stellaria nitens
John H. Thomas
1982-4-25
20850
San Benito
Pinnacles National Monument, between Visitors' Center and Reservoir and between Visitors' Center and Chalone Picnic Area
518
Comment
RSA187255
Stephanomeria virgata
John H. Thomas
1950-10-1
2452
Santa Cruz
Along Alba Grade, W of Ben Lomond.
Comment
UCR131646
Stipa diegoensis
Tim Thomas
1992-4-8
1520
Ventura
Channel Islands, San Nicolas Island
274
Comment
JROH5323
Stipa lepida
John H. Thomas
1977-5-14
18610
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5336
Stipa pulchra
John H. Thomas
1978-5-16
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCR261874
Stutzia covillei
Tim Thomas
2014-5-4
6296
Los Angeles
Mojave Desert, North Lancaster, 0.3 mi northeast of Sierra Hwy and West Avenue H intersection
713
Comment
RSA181291
Stylomecon heterophylla
John H. Thomas
1965-5-16
10660
Santa Clara
Near old 'Mt. Hamilton Winery' along road to Mt. Hamilton, Mt. Hamilton Range
Comment
CAS-BOT-BC271620
Symphoricarpos albus var. laevigatus
J. H. Thomas
1949-5-21
555
Santa Clara
2.9 miles up in the hills on Page Mill Road from its intersection with Alameda de las Pulgas
Comment
JROH1683
Symphoricarpos albus var. laevigatus
John Hunter Thomas
1980-5-1
19908
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC234674
Symphoricarpos mollis
John H. Thomas
1957-5-3
6723
Los Angeles
North of Eagle Rock, about 3-4 miles east of Pasadena
304
Comment
CAS-BOT-BC234769
Symphoricarpos mollis
J. H. Thomas
1950-9-23
2374
Santa Cruz
Foot of Blooms Grade, 3 miles NW of Boulder Creek
243
Comment
VVC1737
Symphoricarpos rotundifolius var. parishii
Tim Thomas, PJ MacKay
2008-5-16
4445
San Bernardino
San Bernardino Mtns, Lower Marble Canyon - proposed Mitsubishi expansion.
1768
Comment
CAS-BOT-BC97811
Symphyotrichum chilense
John H. Thomas
1950-11-12
2505 B
Santa Cruz
About 1 mile north of Corralitos
Comment
CAS-BOT-BC98112
Symphyotrichum spathulatum
H. A. Thomas; J. H. Thomas
1954-9-12
4602
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, Fourth Recess, and adjacent Mono Creek. Mono Creek between 3rd and
3657
Comment
CAS-BOT-BC376634
Syntrichopappus fremontii
John H. Thomas
1959-3-25
7632
Kern
About 8 miles north of Randsburg, east sloping hillside
1066
Comment
CAS-BOT-BC223930
Tamarix parviflora
H. A. Thomas; J. H. Thomas
1954-3-24
480
Kern
Mojave Desert. About 1 mile south of Ricardo
670
Comment
CATA3475
Tamarix ramosissima
Michael Thomas, Benjamin Dion, Nathalie Cartan
2017-9-21
002
Los Angeles
Santa Catalina Island: Interior; on northern edge of Middle Ranch Reservoir
205
Comment
JROH1283
Tanacetum parthenium
John Hunter Thomas
1992-5-26
25357
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing
Comment
RSA176534
Tanacetum parthenium
John H. Thomas
1963-8-4
s.n.
Santa Cruz
0.7 mile from intersection of Hwy 9 and Big Basin Road on road to Boulder Creek.
305
Comment
RSA187231
Taraxacum officinale
John H. Thomas
1953-5-10
3127
Santa Cruz
Hilton Airport, between Big Basin and town of Boulder Creek.
244
Comment
VVC2415
Taraxacum officinale
Tim Thomas
2008-7-25
4546
Inyo
Southern Sierra Nevada Mtns., Along Cottonwood Creek below vicinity of road crossing the creek and above confluence with Horseshoe Mdw fork. Near the old pack station.
2896
Comment
JROH1285
Taraxacum officinale
John H. Thomas
1969-4-12
14886
San Mateo
Jasper Ridge Biological Preserve, Stanford University; picnic area below dam
Comment
JROH3001
Taraxia ovata
John H. Thomas
1971-4-10
15761
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3909
Tellima grandiflora
John H. Thomas
1961-5-5
9209
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek below Searsville Dam
76
Comment
RSA195668
Tellima grandiflora
John H. Thomas
1967-5-7
12836
San Mateo
Near intersections of Bean Hollow and Pescadero roads, about 0.5 mile westward from Pescadero.
61
Comment
RSA127726
Tetragonia tetragonoides
John H. Thomas
1959-7-8
8015
San Mateo
Low moist coastal bluffs at Pescadero Beach.
Comment
CAS-BOT-BC438250
Tetragonia tetragonoides
John H. Thomas
1968-12-8
14862
San Francisco
Fort Point and vicinity, San Francisco.
Comment
CAS-BOT-BC392344
Thalictrum fendleri
H. A. Thomas; J. H. Thomas
1955-9-9
5423
Fresno
Sierra Nevada. Vicinity of Mono Pass, Pioneer Basin, 4th Recess, and adjacent Mono Creek. Along Mono Creek between 3rd and 4th Recesses. Altitude about 10000 feet
3931
Comment
CAS-BOT-BC399840
Thalictrum polycarpum
J. H. Thomas
1954-4-3
3835
San Mateo
Pilarcitos Creek Road, 3.5 miles NE of Halfmoon [Half Moon] Bay
121
Comment
SD49776
Thermopsis macrophylla
J. H. Thomas
1953-6-18
3388
Santa Cruz
Ca. 2 miles south of Empire Grade on the road to Warrenella, in cleared areas along roadside
609
Comment
CAS-BOT-BC202039
Thinopyrum ponticum
John H. Thomas
1980-12-6
20205
Sutter
Greylodge Bird Refuge, north of Sutter Buttes
Comment
CAS-BOT-BC66532
Thysanocarpus curvipes
John H. Thomas
1977-3-23
18483
Riverside
Joshua Tree National Monument. Live Oak Picnic Area, about 10 miles south of Twenty Nine Palms.
Comment
CAS-BOT-BC66656
Thysanocarpus curvipes
J. H. Thomas
1954-5-7
4068
San Mateo
Near Skyline Boulevard. About 2 miles southwest of Black Mountain.
655
Comment
CAS-BOT-BC66658
Thysanocarpus curvipes
John H. Thomas
1968-4-13
14290 A
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto.
Comment
CAS-BOT-BC66661
Thysanocarpus curvipes
John H. Thomas
1968-4-13
14290 A
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto.
Comment
CAS-BOT-BC66744
Thysanocarpus curvipes
Hazelle A. Thomas; John H. Thomas
1955-5-14
5064
Santa Clara
Mount Hamilton Range. One mile due west of Mount Hamilton summit. About 12.5 miles east of the center of San Jose.
914
Comment
CAS-BOT-BC66764
Thysanocarpus curvipes
John H. Thomas
1975-5-3
17863
Santa Clara
Mount Hamilton Range. About 1 mile due west of Mount Hamilton Observatory.
914
Comment
CAS-BOT-BC66778
Thysanocarpus curvipes
J. H. Thomas
1950-5-13
1836
Santa Cruz
1.2 mile southeast of Saratoga Summit along Skyline Boulevard.
822
Comment
CAS-BOT-BC66780
Thysanocarpus curvipes
John H. Thomas
1955-3-21
4704
Santa Cruz
About 1 mile below Saratoga Summit.
746
Comment
CAS-BOT-BC66843
Thysanocarpus curvipes
John H. Thomas
1981-4-20
20404
Sutter
Sutter Buttes. Dean Place.
213
Comment
JROH1623
Thysanocarpus curvipes
John Hunter Thomas
1991-4-9
24976
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC1189994
Thysanocarpus curvipes
J. H. Thomas
1950-5-13
1836
Santa Cruz
along Skyline Blvd 1.2 mi se Saratoga Summit; se of Saratoga Summit
822
Comment
CAS-BOT-BC66507
Thysanocarpus curvipes
John H. Thomas
1968-4-4
14274
Napa
About 3 miles north of Calistoga on road to Lakeport.
Comment
CAS-BOT-BC88323
Thysanocarpus curvipes
John H. Thomas
1968-4-21
14355
Humboldt
About 6.4 miles south of Weitchpec (as measured along the road).
170
Comment
VVC2903
Thysanocarpus curvipes subsp. amplectens
Tim Thomas, P. J. MacKay
2010-4-12
5034
Riverside
San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw.
878
Comment
JROH1593
Thysanocarpus curvipes subsp. curvipes
John Hunter Thomas
1981-4-7
20299
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam
Comment
SD49771
Thysanocarpus curvipes subsp. curvipes
John H. Thomas
1956-5-2
5677
Santa Clara
Monte Bello Ridge, ca. 5.0 miles south of Los Altos.
609
Comment
JROH1595
Thysanocarpus curvipes subsp. elegans
John Hunter Thomas
1981-4-21
20455
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA0039330
Thysanocarpus curvipes var. curvipes
John H. Thomas
1953-3-24
2922
Santa Cruz
On northern side of Boulder Creek near intersection of Jamison Road and Big Basin-Boulder Creek Highway, about 2.5 miles northwest of town of Boulder Creek.
274
Comment
CAS-BOT-BC67115
Thysanocarpus laciniatus
John H. Thomas
1973-4-23
16660
San Benito
Pinnacles National Monument. Foot Trail and upper part of Chalone Creek Trail.
762
Comment
CAS-BOT-BC67040
Thysanocarpus laciniatus
John H. Thomas
1968-4-11
14282
Monterey
Santa Lucia Mountains. 0.9 mile E of intersection of rd to Jamesburg. About 14 mi westward from Greenfield. Arroyo Seco.
Comment
CAS-BOT-BC67335
Thysanocarpus radians
John H. Thomas
1968-4-4
14268
Sonoma
2.8 miles northeast of highway 101 on road to Mark Springs West, along Mark Springs road.
Comment
RSA134141
Tiarella trifoliata var. unifoliata
John H. Thomas
1953-6-18
3400
Santa Cruz
Near a tributary of San Vicente Creek, about 4 miles north of Davenport.
213
Comment
JROH394
Torilis nodosa
John Hunter Thomas
1986-5-6
24018
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH391
Torilis nodosa
John Hunter Thomas
1983-6-2
22327
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near green shack
Comment
JROH396
Torilis nodosa
John Hunter Thomas
1986-5-15
24045
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH403
Torilis nodosa
John Hunter Thomas
1989-5-9
24697
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near old shack riders shack
Comment
JROH4755
Toxicoscordion fremontii
John H. Thomas
1956-4-7
5604
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent slopes
Comment
JROH4761
Toxicoscordion fremontii
John Hunter Thomas
1982-2-19
20800
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Chaparral near Goya Gate
Comment
CAS-BOT-BC377153
Tragopogon porrifolius
J. H. Thomas
1953-5-30
3234
Santa Cruz
Along Pajaro River near bridge on San Juan Bautista - Watsonville highway (#67)
91
Comment
RSA124750
Tribulus terrestris
John H. Thomas
1958-9-1
7464
Santa Clara
Weeds near intersection of Alma Street and California Ave. near Southern Pacific depot. Palo Alto.
Comment
JROH3392
Trientalis latifolia
John H. Thomas
1974-5-3
17248
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam
Comment
JROH2226
Trifolium albopurpureum
John H. Thomas
1978-5-16
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCR131644
Trifolium amplectens
Tim Thomas, Steven A. Junak
1992-4-9
1514
Ventura
Channel Islands, San Nicolas Island
274
Comment
UC1236544
Trifolium barbigerum
J. H. Thomas
1954-4-10
3886
Santa Cruz
n end Hilton Airport (betw hwy and airstrip); ; see map on label
243
Comment
UC1236540
Trifolium campestre
John H. Thomas
1958-5-24
7209
Santa Clara
near Branner Hall; Stanford University Campus
Comment
UCSB68243
Trifolium ciliolatum
Thomas, Kathryn; Frye, K.
1993-5-8
Santa Barbara
Southern foothills of the San Rafael Range, Sedgwick Reserve, near first gate, Long Valley on upper west slope
490
Comment
JROH2257
Trifolium ciliolatum
John H. Thomas
1975-4-30
17842
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Escobar Gate
Comment
JROH2276
Trifolium depauperatum var. truncatum
John Hunter Thomas
1985-4-11
23524
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2233
Trifolium dichotomum
John H. Thomas
1975-4-19
17797
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2286
Trifolium fucatum
John H. Thomas
1958-5-10
7148
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2288
Trifolium fucatum
John H. Thomas
1964-4-19
10321
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2296
Trifolium fucatum
John Hunter Thomas
1980-5-6
19924
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2299
Trifolium fucatum
John Hunter Thomas
1982-4-28
20873
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA131367
Trifolium gracilentum
John H. Thomas
1956-5-2
5706
Santa Clara
Monte Bello Ridge, about 5 miles south of Los Altos.
793
Comment
UCR131651
Trifolium gracilentum
Tim Thomas
1993-4-13
1607
Santa Barbara
Channel Islands, Santa Rosa Island, Cherry Canyon
76
Comment Read comments Jun 19 2018
UCR209088
Trifolium gracilentum
Tim Thomas, P. J. MacKay, D. Charlton
2003-5-17
3061
San Bernardino
San Bernardino Mountains, west end of the Pacific Crest Trail in the vicinity of Hwy 15
966
Comment
UCR240538
Trifolium gracilentum
Tim Thomas, P. J. MacKay, D. Charlton
2003-5-17
3061
San Bernardino
San Bernardino Mountains, west end of the Pacific Crest Trail in the vicinity of Hwy 15
966
Comment
RSA181333
Trifolium grayi
John H. Thomas
1965-6-1
10679
Santa Cruz
Camp Evers, between Felton and Scott Valley.
Comment
JROH2330
Trifolium hirtum
John Hunter Thomas
1988-6-2
24498
San Mateo
Jasper Ridge Biological Preserve, Stanford University; beach
Comment
JROH2321
Trifolium hirtum
John Hunter Thomas
1982-5-18
20942
San Mateo
Jasper Ridge Biological Preserve, Stanford University; old road now partly plowed up, near main gate
Comment
JROH2339
Trifolium microdon
John H. Thomas
1964-4-19
10316
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Searsville end of ridge
Comment
UCR13434
Trifolium obtusiflorum
R. Thomasson
1973-5-30
s.n.
Riverside
Riverside, Box Springs Mtns, Big C turnoff, 0.6 mi from Box Springs Road, about 200 yards down gulley
777
Comment
RSA131341
Trifolium oliganthum
John H. Thomas
1955-5-11
5032
Santa Cruz
On top of ridge between Scott and Mill Creek drainages, about 2.2 miles S - SW of Eagle Rock.
518
Comment
RSA187251
Trifolium oliganthum
John H. Thomas
1958-4-12
7081
Santa Clara
Near Page Mill road, 2.3 miles from Stanford University.
61
Comment
RSA131350
Trifolium repens
John H. Thomas
1953-6-14
3339
Santa Cruz
Marsh at Camp Evers.
152
Comment
UC1195191
Trifolium repens
John H. Thomas
1960-6-1
8766
Santa Clara
near Frenchman's Rd (vacant lot along Junipero Serra Blvd.); Stanford University Campus
Comment
JROH2362
Trifolium subterraneum
John Hunter Thomas
1987-5-19
24299
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2381
Trifolium variegatum
John H. Thomas
1971-4-10
15762
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2391
Trifolium variegatum
John Hunter Thomas
1992-4-23
25155
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Indian grinding rock and along trail to redwoods
Comment
VVC2037
Trifolium variegatum
Tim Thomas, PJ MacKay
2009-5-23
4719
San Bernardino
San Bernardino Mtns, West of Lk Silverwood, below Cleighorn Pass; FS Rd 2N59
1078
Comment
RSA131363
Trifolium variegatum var. melananthum
John H. Thomas
1953-6-14
3347
Santa Cruz
Marsh at Camp Evers.
152
Comment
UC1236546
Trifolium variegatum var. melananthum
J. H. Thomas
1953-6-14
3347
Santa Cruz
Camp Evers
Comment
JROH2407
Trifolium willdenovii
John Hunter Thomas
1981-4-23
20475
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA131356
Trifolium willdenovii
John H. Thomas
1954-4-30
4021
Santa Cruz
W side of Mill Creek drainage. About 2.3 miles SSW of Eagle Rock
457
Comment
RSA131345
Trifolium wormskioldii
John H. Thomas
1953-6-14
3338
Santa Cruz
Marsh at Camp Evers.
152
Comment
UCSB282
Triglochin concinna
Thomas, Cynthia
1959-7-16
Santa Barbara
Slough near UCSB Campus and Goleta airport
Comment
CAS-BOT-BC520837
Trillium albidum
J. H. Thomas
1949-6-16
946
Siskiyou
1/4 miles north of Beaver Creek Public Camp, along Beaver Creel; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest
Comment
JROH4722
Trillium chloropetalum
John H. Thomas
1964-4-19
10330
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek
Comment
CAS-BOT-BC133431
Trillium ovatum
John Hunter Thomas
1954-4-3
3822
San Mateo
Along San Gregorio Creek about 1.5 miles west of La Honda
106
Comment
CAS-BOT-BC133456
Trillium ovatum
John H. Thomas
1950-4-8
1463
Santa Cruz
Boulder Creek Canyon, about 1 1/2 miles from Boulder Creek toward Big Basin
243
Comment
JROH4146
Triphysaria pusilla
John Hunter Thomas
1989-5-5
24660
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC193555
Trisetum spicatum
John H. Thomas; H. A. Thomas
1955-9-10
5452
Fresno
Along shore of Golden Creek, Pioneer Basin, 4th Recess and adjacent Mono Creek, vicinity of Mono Pass, Sierra Nevada
3931
Comment
JROH4737
Triteleia hyacinthina
John H. Thomas
1967-6-1
12961
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4741
Triteleia hyacinthina
John Hunter Thomas
1981-4-30
20519
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC526396
Triteleia laxa
John H. Thomas
1955-5-5
4958
Santa Clara
Hills near Oak Hill Memorial Cemetery, 3 miles southeast of teh center of San Jose
91
Comment
JROH4753
Triteleia laxa
John H. Thomas
1978-5-16
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCD139391
Triteleia laxa
Carolyn Thomas
1974-4-14
10822
Napa
near Yountville, near Thomas Ranch.
274
Comment
CAS-BOT-BC526363
Triteleia laxa
John H. Thomas
1971-5-2
15847
San Mateo
Near intersection of Canada and Edgewater Roads, about 4 miles SW of center of Redwood City
304
Comment
CAS-BOT-BC200517
Triticum aestivum
J. H. Thomas
1959-6-6
7989
San Francisco
Near Opera House. San Francisco
Comment
CAS-BOT-BC73869
Tropidocarpum gracile
J. H. Thomas
1964-3-24
10291
Stanislaus
Eastern margin of the Inner Coast Range. About 5 miles southwest from Patterson. Near Oak Flat Road.
Comment
CAS-BOT-BC74084
Turritis glabra
J. H. Thomas
1953-5-31
3277
Santa Cruz
Susnet Beach State Park.
Comment
JROH5533
Typha angustifolia
John H. Thomas
1967-5-31
12928
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCD94650
Typha angustifolia
J. H. Thomas
1955-8-1
5314
Santa Clara
Santa Clara County.
Comment
JROH4226
Ulmus minor
John Hunter Thomas
1992-5-14
25222
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near boat ramp
Comment
CAS-BOT-BC91138
Umbellularia californica
John H. Thomas
1957-3-7
6490
Los Angeles
South slope of San Gabriel Mountains, near State Highway #2, Angeles Crest Highway, about 3.5 miles north of La Canada.
914
Comment
CAS-BOT-BC91246
Umbellularia californica
John H. Thomas
1950-4-11
1526
Santa Clara
Upper part of Deer Creek Drainage, near Bielawski Lookout Tower.
883
Comment
RSA132457
Umbellularia californica
John H. Thomas
1959-8-22
8081
San Mateo
Jasper Ridge, about 5 miles southwest of Palo Alto.
152
Comment
UC1189990
Umbellularia californica
J. H. Thomas
1953-10-3
3589
Santa Cruz
about 1 mi s of Saratoga Summit (along State Highway #9); State Highway #9
Comment
CAS-BOT-BC381980
Uropappus lindleyi
John H. Thomas
1973-4-23
16645
San Benito
Pinnacles National Monument. High Peaks Trail, southern part
762
Comment
CAS-BOT-BC382799
Uropappus lindleyi
Hazelle A. Thomas; John H. Thomas
1955-4-2
4758
Santa Clara
Hills about 0.5 mile north of Edenvale RR Station, about 5 miles south-east of San Jose
91
Comment
CAS-BOT-BC382800
Uropappus lindleyi
Hazelle A. Thomas; John H. Thomas
1955-4-2
4758
Santa Clara
Hills about 0.5 mile north of Edenvale RR Station, about 5 miles south-east of San Jose
91
Comment
JROH1295
Uropappus lindleyi
John Hunter Thomas
1988-5-3
24443
San Mateo
Jasper Ridge Biological Preserve, Stanford University; powerline draw
Comment
JROH4235
Urtica dioica subsp. holosericea
John H. Thomas
1961-6-14
9547
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near bridge across the two parts of Searsville Lake
Comment
CAS-BOT-BC412536
Urtica urens
John H. Thomas
1968-12-18
14870
San Mateo
About 1 mile west of Pescadero toward the coast
Comment
CAS-BOT-BC193894
Vaccinium ovatum
J. H. Thomas
1953-4-4
2960
Santa Cruz
Foot of Blooms Grade, 3 miles NW of Boulder Creek
243
Comment
CAS-BOT-BC193898
Vaccinium ovatum
J. H. Thomas
1954-2-22
3730
Santa Cruz
Pine Mountain, Big Basin Redwoods State Park
670
Comment
CAS-BOT-BC199361
Vaccinium ovatum
John H. Thomas
1961-5-7
9298
San Mateo
San Bruno Mountain in northern part of county
396
Comment
VVC3145
Veratrum californicum
Tim Thomas, PJ MacKay
2007-8-13
4225
Inyo
Southern High Sierra, Cottonwood Lakes Basin Watershed. Jenny Lake.
3232
Comment
JEPS24256
Verbascum blattaria
J. H. Thomas
1960-5-10
8718
Tuolumne
on road to Keystone 5 mi sw Sonora; Sierra Nevada foothills, sw of Sonora
365
Comment
UCD124686
Verbascum blattaria
J. H. Thomas
1960-5-10
8718
Tuolumne
Sierra Nevada foothills, about 5 miles SW of Sonora on road to Keystone.
365
Comment
JEPS23861
Verbascum thapsus
J. H. Thomas
1959-8-27
8108
Santa Clara
near Highway No. 101 and Metcalf Road about 1.5 mi nw Coyote (Santa Clara Valley); Santa Clara VAlley
76
Comment
JROH4148
Verbascum thapsus
John Hunter Thomas
1982-5-25
20963
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC219590
Verbena
J. H. Thomas
1954-6-24
4334
Santa Cruz
Northern end of Hilton Airport, between airstrip and highway
243
Comment
CAS-BOT-BC219589
Verbena
John H. Thomas
1960-7-19
8822
Santa Clara
Stanford University Campus. Near Branner Hall
Comment
JROH4257
Verbena lasiostachys var. lasiostachys
John H. Thomas
1962-5-31
9895
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Oak woodland near Westridge end of ridge
Comment
RSA187222
Verbena lasiostachys var. lasiostachys
John H. Thomas
1950-10-1
2470
Santa Cruz
Banks of Waddell Creek.
Comment
UCSB68344
Verbena lasiostachys var. lasiostachys
Thomas, Kathryn
1993-1-22
Santa Barbara
Southern foothills of the San Rafael Range, Sedgwick Reserve, upper Sedgwick ranch
670
Comment
JROH4276
Verbena lasiostachys var. scabrida
John H. Thomas
1974-10-26
17626
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4278
Verbena lasiostachys var. scabrida
John Hunter Thomas
1981-9-24
20742
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSB6218
Veronica anagallis-aquatica
Thomas, Cynthia
1959-7-10
Santa Barbara
Santa Ynez River; 1/2 mi S of Buellton; Hwy. 101
Comment
JROH4150
Veronica arvensis
John H. Thomas
1978-4-8
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4154
Veronica persica
John Hunter Thomas
1983-4-20
21535
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing
Comment
VVC2614
Veronica serpyllifolia subsp. humifusa
Tim Thomas, P. J. MacKay
2004-7-11
3464
Inyo
Southern High Sierra, Cottonwood Lakes Basin; Golden Trout Camp spring box creek drainage.
3110
Comment
CAS-BOT-BC238160
Veronica wormskjoldii
John H. Thomas
1964-9-15
10501
Fresno
Sierra Nevada. Vicinity of Mono Pass, 4th Recess, Pioneer Basin, and upper Mono Creek. South end of 4th Recess Lake
3931
Comment
JROH2438
Vicia sativa subsp. nigra
John Hunter Thomas
1982-4-28
20867
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2436
Vicia sativa subsp. nigra
John Hunter Thomas
1981-4-5
20267
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2452
Vicia sativa subsp. sativa
John Hunter Thomas
1988-4-21
24403
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near bridge over San Francisquito Creek
Comment
JROH423
Vinca major
John H. Thomas
1967-4-20
12708
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC263821
Viola
John H. Thomas; Hazelle A. Thomas
1956-7-21
6206
Placer
Sierra Nevada. Vicinity of Donner Pass, about 80 miles NE of Sacramento
2377
Comment
CAS-BOT-BC264048
Viola adunca
John H. Thomas
1964-4-30
10354
San Mateo
San Bruno Mountain in the N part of county
396
Comment
VVC2567
Viola adunca
Tim Thomas, P. J. MacKay
2004-7-14
3480
Inyo
Southern High Sierra, Cottonwood Lakes Basin; outfall of Lk 5
3415
Comment
HSC77335
Viola cuneata
C. J. Thomas
1983-5-14
61
Del Norte
French Hill Rd., 3.45 mi. from Hwy. 199
526
Comment
CAS-BOT-BC536571
Viola glabella
John Hunter Thomas
1954-4-3
3814
San Mateo
La Honda Creek, about 1 mi N of La Honda
152
Comment
UC1761988
Viola macloskeyi
Herbert A. Thomas
1936-6-22
132
Plumas
Jacks Meadow, Camp Califorest, Meadow Valley P.O.
1767
Comment
RSA132375
Viola pedunculata
John H. Thomas
1960-3-17
8547
San Francisco
Bernal Heights.
107
Comment
CHSC2026
Viola pedunculata subsp. tenuifolia
E. Thomas
1940-4-14
San Diego
Oceanside.
Comment
CAS-BOT-BC199850
Vulpia bromoides
John H. Thomas
1967-5-2
12822
San Mateo
Along Skyline Blvd, 0.4 miles south of Black Mountain Road intersection. Hillsborough
Comment
CAS-BOT-BC183085
Vulpia microstachys var. ciliata
Hazelle Ann Thomas; John H. Thomas
1956-4-2
5586
El Dorado
Between Placerville and Shingle Springs along U.S. Highway No. 50, 2.2 miles east of Shingle Springs as measured along the highway
457
Comment
UC1190044
Vulpia microstachys var. microstachys
J. H. Thomas
1950-5-6
1809
Santa Cruz
between Big Basin and Boulder Creek (upper end of Bloom's Grade); Bloom's Grade
Comment
CAS-BOT-BC184559
Vulpia microstachys var. pauciflora
John H. Thomas
1955-5-5
4946
Santa Clara
Foothills of the Mt. Hamilton Range bordering the Santa Clara Valley. About 1 mile up Metcalfe Canyon, 1.5 miles north of Coyote
213
Comment
SD71261
Vulpia myuros
John Thomas, Howell
1963-5-5
39052
Monterey
Mustang Grade west of Priest Valley
671
Comment
CAS-BOT-BC185770
Vulpia myuros subsp. megalura
John H. Thomas
1961-5-13
9343
San Mateo
At Franklin Point
Comment
CAS-BOT-BC185805
Vulpia myuros subsp. megalura
John H. Thomas
1955-4-8
4910
Santa Cruz
Sand hills east of Ben Lomond. Near Quail Hollow Road
152
Comment
CAS-BOT-BC185811
Vulpia myuros subsp. megalura
John H. Thomas
1954-4-10
3892 A
Santa Cruz
Northern end of Hilton Airport between Airstrip and highway
243
Comment
CAS-BOT-BC185812
Vulpia myuros subsp. megalura
John H. Thomas
1953-5-2
3051
Santa Cruz
Along Robak Drive, about 1/2 mile north of La Selva Beach, Robroy
15
Comment
RSA187170
Vulpia myuros var. hirsuta
John H. Thomas
1955-4-8
4897
Santa Cruz
Sand hills east of Ben Lomond. Near Quail Hollow Road.
152
Comment
CAS-BOT-BC185989
Vulpia myuros var. myuros
John H. Thomas
1955-4-6
4852 B
San Francisco
North peak, Twin Peaks
274
Comment
CAS-BOT-BC186046
Vulpia octoflora var. octoflora
J. H. Thomas
1950-5-14
1884
Santa Cruz
Ben Lomond Sand Hills, near summit of Quail Hollow Road on Ben Lomond side
152
Comment
CAS-BOT-BC128763
Whipplea modesta
John H. Thomas; Hazelle A. Thomas
1955-6-26
679
Mendocino
Pine Barrens about 3 miles southeast of town of Fort Bragg
91
Comment
CAS-BOT-BC73615
Woodwardia fimbriata
J. H. Thomas
1950-3-29
1369
Santa Cruz
Waterman Gap, near San Lorenzo River.
228
Comment
CAS-BOT-BC382878
Wyethia angustifolia
John H. Thomas
1981-4-20
20383
Sutter
Sutter Buttes. Dean Place
213
Comment
CAS-BOT-BC383227
Wyethia angustifolia
John H. Thomas
1956-4-30
5660
Santa Clara
Stanford University Campus
22
Comment
CAS-BOT-BC383323
Wyethia glabra
J. H. Thomas
1961-5-23
9448
Santa Clara
Along Page Mill Road, about 4 miles westward from Los Altos
609
Comment
JROH1317
Wyethia glabra
John Hunter Thomas
1988-5-3
24445
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near dam
Comment
RSA181295
Wyethia glabra
John H. Thomas
1965-4-16
10568
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto. NW end of Ridge.
Comment
CAS-BOT-BC383732
Xanthium strumarium
John H. Thomas
1970-4-15
15579
Merced
About 11 miles northeast of Gustine along highway 140 near Bridge 39-91 over slough near San Joaquin River
Comment
CAS-BOT-BC383792
Xanthium strumarium
John H. Thomas
1956-9-8
6444
Santa Clara
Stanford University Campus. Along Mayfield Ave. between Stanford Ave. and Frenchman's Road
15
Comment
CAS-BOT-BC383797
Xanthium strumarium
John H. Thomas
1955-7-9
5229
Santa Clara
Dry bed of Lake Lagunita. Stanford University
30
Comment
RSA140811
Xanthium strumarium
John H. Thomas
1960-6-25
8790
San Mateo
Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street.
8
Comment
JROH2557
Zeltnera muehlenbergii
John H. Thomas
1974-8-11
17506
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2576
Zeltnera muehlenbergii
John Hunter Thomas
1992-6-8
25371
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2578
Zeltnera muehlenbergii
John Hunter Thomas
1992-7-24
25391
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSB68059
Zigadenus
Kathryn Thomas, Kathy Rindlaub
1993-3-7
SR- 39
Santa Barbara
southern foothills of the San Rafael Range, Sedgwick Reserve - Slopes across from the upper ranch near USFS
731
Comment
CAS-BOT-BC530586
Zigadenus fremontii
John H. Thomas
1953-6-18
3408
Santa Cruz
Along Empire Grade, 2 miles south of its intersection with Jamison Road
762
Comment
CAS-BOT-BC531549
Zigadenus fremontii
John H. Thomas
1958-2-15
6984
San Mateo
Jasper Ridge, about 5 miles southwest of Palo Alto
182
Comment