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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
GH355186
Abies concolor
G. T. Robbins
1944-10-15
1833
Unknown
At C.C.C. Camp Snowline, 3 mi. e. of Camino
1036
Comment
UC747686
Abies concolor
G. Thomas Robbins
1944-10-15
1833
El Dorado
3 mi e Camino (at C.C.C. Camp Snowline)
1036
Comment
UCD134147
Abies concolor
W. W. Robbins
1928-4-29
948
Unknown
American River.
Comment
JEPS7450
Abies grandis
G. Thomas Robbins
1952-4-4
3410
Mendocino
just s Caspar; Caspar Ridge
Comment
JEPS16378
Abronia umbellata
G. Thomas Robbins
1956-12-30
3799
Monterey
near Marina Monterey Bay; Marina Beach
Comment
UC1084469
Acaena pinnatifida var. californica
G. Thomas Robbins
1937-6-6
234
Sonoma
hills 2 - 3 mi. e. Bodega Bay
Comment
CAS-BOT-BC330655
Acer glabrum var. glabrum
G. Thomas Robbins
1945-7-1
2032
El Dorado
Slopes above Island Lake, ca 4 mi NE of Wrights Lake, 9 me N of US Hwy 50
2590
Comment
UC747304
Acer glabrum var. glabrum
G. Thomas Robbins
1944-7-28
1784
El Dorado
ca 1/4 mi w Rockbound Pass (rocky exposed slope along Willow Flat Trail, Desolation Valley Wilderness Area); Desolation Valley Wilderness Area, w of Rockbound Pass
2438
Comment
UC747305
Acer glabrum var. glabrum
G. Thomas Robbins
1945-7-1
2032
El Dorado
9 mi n of U.S. Highway 50 ca 4 mi ne Wrights Lake (above Island Lake); , ne of Wrights Lake
2590
Comment
A363510
Acer glabrum var. torreyi
G. T. Robbins
1944-7-28
1784
Unknown
Rocky exposed slope along Willow Flat Trail, ca. 1/4 mi. w. of Rockbound Pass, Desolation Valley Wilderness Area (T. 12 N., R16 E., Sec. 10)
2438
Comment
UC1084373
Acer negundo
G. Thomas Robbins
1937-3-27
44
Sonoma
Santa Rosa bed of Santa Rosa Creek, Santa Rosa
Comment
JEPS25167
Acer negundo var. californicum
G. Thomas Robbins
1959-6-2
4039
Alameda
paralleling Richmond Blvd. and near corner Napier St. (along Glen Echo Creek); Oakland, along Glen Echo Creek
Comment
JEPS25005
Achillea millefolium
G. Thomas Robbins
1958-8-31
3930
Marin
along e edge of the NWP railroad tracks, 1/2 mi e of US 101 Burdell Siding
Comment
UC747165
Achillea millefolium
G. Thomas Robbins
1943-6-16
1179
El Dorado
3 mi e Placerville; Institute of Forest Genetics Arboretum
Comment
SEINET5585531
Achnatherum lemmonii
G. Thomas Robbins
1943-1
1149
El Dorado
Above North Fork Webber Creek, about 3 mi. e. of Camino
975
Comment
UC1084392
Achyrachaena mollis
G. Thomas Robbins
1937-4-25
145
Contra Costa
2 mi e Alamo
Comment
CAS-BOT-BC30417
Achyrachaena mollis
G. Thomas Robbins
1945-5-27
1956
El Dorado
About 1 mile north of Pleasant Valley
762
Comment
SEINET2429226
Achyrachaena mollis
G. Thomas Robbins
1945-5-27
1965
El Dorado
Grassy meadow with scattered oaks. About one mile north of Pleasant Valley.
760
Comment
UCD97897
Achyronychia cooperi
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
CAS-BOT-BC204854
Acmispon argophyllus var. fremontii
G. Thomas Robbins
1944-5-28
1641
El Dorado
Above Long Creek, 1-2 mi. from its confluence with South Fork American River
762
Comment
UCD104326
Acmispon parviflorus
W. W. Robbins
1928-4-29
966
Unknown
County Unknown: American River.
Comment
UCD104281
Acmispon rigidus
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UCD104524
Acmispon wrangelianus
Robbins; Raynor
1943-6-1
s.n.
Modoc
Corporation Ranch, Likely.
Comment
UC747410
Actaea rubra
G. Thomas Robbins
1943-4-25
1032
El Dorado
ca. 3 mi. e. Camino; N. Fork Webber Creek
914
Comment
UC747164
Adenocaulon bicolor
G. Thomas Robbins
1943-7-10
1263
El Dorado
3 mi e, along bank of North Fork Webber Creek Camino; Webber Creek
914
Comment
CAS-BOT-BC29276
Adenocaulon bicolor
G. Thomas Robbins
1943-7-10
1263
El Dorado
North Fork of Webber Creek, about 3 miles E of Camino
914
Comment
RSA32383
Adenocaulon bicolor
G. Thomas Robbins
1945-7-16
2068
El Dorado
Along North Fork Webber Creek, 3 mi. E of Camino
915
Comment
SEINET195485
Adenocaulon bicolor
G. Thomas Robbins
1945-7-16
2068
El Dorado
North Fork Webber Creek, about 3 miles E of Camino
910
Comment
SBBG70868
Adenostoma sparsifolium
R. C. and J. R. Robbins
1923-2-15
Riverside
Pinyon Flat, Palms-Pines Rd
Comment
UC964819
Adiantum aleuticum
G. Thomas Robbins
1945-6-17
1998
El Dorado
bank above Camp Creek near Baltic Peak
975
Comment
UCSB8229
Adiantum aleuticum
Robbins, G.
1936-8-1
Humboldt
Cliff above Van Duzen River, near Carlotta
Comment
UC747312
Aesculus californica
G. Thomas Robbins
1943-6-17
1182
El Dorado
3 mi e Placerville; Institute Of Forest Genetics
822
Comment
UC747556
Agastache urticifolia
G. Thomas Robbins
1945-8-6
2109
El Dorado
in Long Meadow near Schlien Ranger Station; Long Meadow
1676
Comment
UC747565
Agastache urticifolia
G. Thomas Robbins
1944-7-30
1818
El Dorado
9 mi n of U.S. Highway 50 about 4 mi ne Wrights Lake (along Willow Flat Trail near Maud Lake); near Maud Lake, ne of Wrights Lake
2438
Comment
GH400338
Agastache urticifolia
G. T. Robbins
1944-7-30
1818
Unknown
near Maud Lake, along Willow Flat Trail, about four miles northeast of Wrights Lake (nine miles north of U. S. Highway 50)
2438
Comment
GH400340
Agastache urticifolia
G. T. Robbins
1945-8-6
2109
Unknown
Long Meadow near Schlien Ranger Station (T. 13N, R. 14E., Sec. 13-14)
1676
Comment
JEPS25249
Ageratina adenophora
G. Thomas Robbins with John Weiler
1959-8-6
4129
Monterey
4 mi s Pfeiffer (between Castro Canyon and Grimes Canyon, slopes along State Highway 1); Big Sur State Park
182
Comment
CAS-BOT-BC29407
Ageratina occidentalis
G. Thomas Robbins
1943-9-5
1379
El Dorado
Summit of Mount Tallac
2956
Comment
CAS-BOT-BC295541
Agnorhiza bolanderi
G. Thomas Robbins
1945-4-22
1844
El Dorado
2-3 mi. northwest of Shingle Springs
457
Comment
CAS-BOT-BC295697
Agnorhiza reticulata
G. Thomas Robbins
1946-9-7
3746
El Dorado
Along U. S. Highway 50, about 2 miles west of Shingle Springs
411
Comment
CAS-BOT-BC295701
Agnorhiza reticulata
G. Thomas Robbins
1945-6-30
2013
El Dorado
Extending along Green Valley Road for 1/4 mi. immediately w. of Rescue
396
Comment
UC747201
Agnorhiza reticulata
G. Thomas Robbins
1945-5-20
1946
El Dorado
100 yds and 1 mi n Rescue (along Deer Valley Road)
396
Comment
UC747208
Agnorhiza reticulata
G. Thomas Robbins
1945-6-30
2013
El Dorado
Extending along Green Valley Road for 0.25 mi immediately W of Rescue.
396
Comment
SEINET6709707
Agnorhiza reticulata
G. T. Robbins
1945-6-30
2013
El Dorado
Rescue
Comment
UCD128591
Agoseris grandiflora
G. Thomas Robbins; S. Galen Smith
1958-6-2
3851
Contra Costa
Along Franklin Canyon Road (State Highway 4) in Refugio Valley, just east of Hercules city boundary.
18
Comment
JEPS22025
Agoseris grandiflora var. grandiflora
G. Thomas Robbins with S. Galen Smith
1958-6-2
3851
Contra Costa
just e of Hercules City boundary along Franklin Canyon Rd Hercules City; Refugio Valley
18
Comment
UC907758
Agoseris grandiflora var. grandiflora
G. Thomas Robbins
1944-6-14
1685
El Dorado
3 mi e Placerville; Institute of Forest Genetics Arboretum
822
Comment
UC907761
Agoseris heterophylla var. cryptopleura
G. Thomas Robbins
1944-5-15
1600
El Dorado
3 mi e, (near Institute of Forest Genetics) Placerville
762
Comment
JEPS7979
Agoseris monticola
G. Thomas Robbins and Peter H. Raven
1954-7-22
3626
Tulare
along John Muir Trail to Mt. Guyot at Guyot Flat Crabtree Meadows; Sequoia National Park
3200
Comment
JEPS7959
Agoseris retrorsa
G. Thomas Robbins
1953-5-8
3526
Calaveras
4.7 mi w, along Mokelumne Hill-Glencoe road Glencoe; Rich Gulch, Mokelumne Hill
457
Comment
UCD128663
Agoseris retrorsa
G. Thomas Robbins
1953-5-8
3526
Calaveras
slopes of Rich Gulch, Mokelumne Hill, Glencoe Road, 4.7 miles west of Glencoe.
457
Comment
SEINET221009
Agrostis capillaris
G. Thomas Robbins
1944-7-6
1754
El Dorado
Sly Park meadow 5 mi s. of Pollock Pines.
1006
Comment
UC907641
Agrostis capillaris
G. Thomas Robbins
1944-7-6
1754
El Dorado
5 mi s Pollock Pines; Sly Park meadow
Comment
SD165118
Ailanthus altissima
Jolynn Robbins
2004-7-5
24
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
UCD97388
Allenrolfea occidentalis
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UCD98022
Allionia incarnata var. incarnata
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UC747511
Allium amplectens
G. Thomas Robbins
1943-5-7
1075
El Dorado
3 mi e Placerville; Institute of Forest Genetics
792
Comment
UC747527
Allium amplectens
G. Thomas Robbins
1945-5-5
1869
Marin
2-3 mi w Hamilton Field Air Base (stream on n side of Big Rock Ridge); Big Rock Ridge
152
Comment
CAS-BOT-BC447492
Allium amplectens
G. Thomas Robbins
1943-5-7
1075
El Dorado
Institute of Forest Genetics, 3 miles east of Placerville
792
Comment
POM196054
Allium amplectens
L. F. Robbins
1927-5-6
s.n.
El Dorado
Near Camino.
Comment
JEPS20280
Allium campanulatum
G. Thomas Robbins
1944-6-7
1661
El Dorado
3 mi e Camino (woods above North Fork Webber Creek); North Fork Webber Creek
914
Comment
UC907673
Allium campanulatum
G. Thomas Robbins
1944-7-30
1815
El Dorado
ridge above Lake Lois; Desolation Valley Wilderness Area
2590
Comment
UC972360
Allium campanulatum
G. Thomas Robbins
1945-6-23
2011
El Dorado
ca. 3 mi e Camino (on wooded slope above North Fork Webber Creek); North Fork Webber Creek
975
Comment
CAS-BOT-BC463022
Allium campanulatum
G. Thomas Robbins
1943-6-5
1119
El Dorado
Above Silver Fork American River near Sacramento Box Co. sawmill (China Flat), 3-4 mi. s. of Kyburz
1371
Comment
SEINET8736688
Allium campanulatum
G. Thomas Robbins
1945-1
2011
El Dorado
above North Fork Webber Creek, ca. 3 mi. e. of Camino
975
Comment
UCD138497
Allium campanulatum
W. W. Robbins
1925-6-20
1816
Sacramento
American River.
Comment
RSA123593
Allium falcifolium
G. Thomas Robbins
1936-5-1
s.n.
Lake
East and opposite Mirabel Mine.
Comment
POM196066
Allium obtusum var. obtusum
L. F. Robbins
1928-4-29
s.n.
El Dorado
41 miles beyond Placerville.
Comment
UCD138574
Allium obtusum var. obtusum
W. W. Robbins
1928-4-29
963
Unknown
County Unknown: American River.
Comment
UC1084425
Allium peninsulare var. franciscanum
G. Thomas Robbins
1938-7-4
271
Sonoma
ocean cliffs ca. 3 mi. n. Bodega Bay
Comment
JEPS8048
Allium peninsulare var. peninsulare
G. Thomas Robbins
1953-5-7
3514
Calaveras
on road to Columbia 2 mi s, on lower slopes of table Mountain Vallecito; Table Mountain
487
Comment
UC972352
Allium unifolium
G. Thomas Robbins
1951-4-24
3387
Sonoma
about 3 mi se Santa Rosa; Bennett Valley
Comment
SEINET197632
Allium unifolium
G. Thomas Robbins
1951-4-24
3387
Sonoma
Bennett Valley, about 3 miles southeast of Santa Rosa.
Comment
UC1560914
Allium validum
G. T. Robbins
1945-8-5
G.N. 302
El Dorado
Onion Flat Desolation Valley Wilderness Area, Rockbound Valley
2042
Comment
RSA32310
Allium validum
G. Thomas Robbins
1944-7-29
1812
El Dorado
At Camper Flat along Rubicon River, Rockbound Valley, Desolation Valley Wilderness area.
2134
Comment
UC747614
Allophyllum divaricatum
G. Thomas Robbins
1943-5-25
1091
El Dorado
3 mi. e. Placerville (Eddy Arboretum, Institute of Forest Genetics); Eddy Arboretum, Institute of Forest Genetics
822
Comment
RSA114019
Allophyllum integrifolium
G. Thomas Robbins
1944-7-28
1764
El Dorado
one-half mile south of Wrights Lake
2134
Comment
UC972348
Alopecurus aequalis
G. Thomas Robbins
1951-8-4
3406
Fresno
1 -3 mi. w. Piute Pass (just s. of Humphreys Basin)
3352
Comment
SEINET7295653
Alopecurus aequalis
G. Thomas Robbins
1951-1
3406
Fresno
Half-submerged in small pools open meadow country, 1-2 miles west of Piute Pass, just south of Humphreys Basin
3353
Comment
OBI17106
Ambrosia chamissonis
G. Thomas Robbins, John Weiler
1959-5-23
4021
Contra Costa
On breakwater (partly natural, partly manmade) portion of Brooks Island 9its NW extension), San Francisco Bay, Richmond
Comment
SBBG61675
Ambrosia dumosa
R. C. and J. R. Robbins
1933-2-16
Imperial
Travertine Pt, 24 mi S of Indio
Comment
SBBG61678
Ambrosia dumosa
J. R. and R. C. Robbins
1930-3-29
Los Angeles
Antelope Valley
Comment
UCD128802
Ambrosia dumosa
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UC746949
Amelanchier alnifolia var. pumila
G. Thomas Robbins
1943-7-25
1288 a
El Dorado
slopes above Medley Lakes (reservoir); Desolation Valley Wilderness Area
2590
Comment
CAS-BOT-BC142989
Amelanchier utahensis
G. Thomas Robbins
1944-4-23
1549
El Dorado
Along shore of Slab Creek near its juncture with South Fork American River, about 5 mi. n. of Camino.
609
Comment
UC746997
Amelanchier utahensis
G. Thomas Robbins
1943-4-24
1025
El Dorado
3 mi e Camino
1036
Comment
UC747484
Amelanchier utahensis
G. Thomas Robbins
1944-4-23
1549
El Dorado
about 5 mi n Camino (along shore of Slab Creek, near its junction with South Fork American River); Slab Creek
609
Comment
UCD81538
Ammannia robusta
W. W. Robbins; W. D. Norton
1927-10-1
823
Yolo
West of Davis.
Comment
UC1084432
Amsinckia eastwoodiae
G. Thomas Robbins
1940-3-16
285
San Joaquin
near Castle Rock (n facing slope Corral Hollow); Corral Hollow
198
Comment
JEPS8065
Amsinckia eastwoodiae
G. Thomas Robbins and Lawrence L. Heckard
1953-5-30
3549
Tulare
Above South Fork of Kaweah River, about 10.5 miles southeast of Three Rivers.
Comment
UC747564
Amsinckia intermedia
G. Thomas Robbins
1944-4-14
1531
Marin
3 mi w of Hamilton Field Air Base (near summit of Big Rock Ridge); Big Rock Ridge
304
Comment
UC747586
Amsinckia menziesii var. menziesii
G. Thomas Robbins
1944-5-7
1593
El Dorado
about 5 mi s Pollock Pines (along Pleasant Valley Road w of Sly Park Meadow)
1005
Comment
POM313193
Andropogon glomeratus
G. Thomas Robbins, S. Galen Smith
1949-11-19
1903
Marin
Roadside seep. Liberty Gulch, Mt. Tamalpias.
Comment
UC1100220
Andropogon glomeratus var. pumilus
G. T. Robbins and S. Galen Smith
1949-11-19
1903
Marin
Liberty Gulch Mt. Tamalpais; , Liberty Gulch
Comment
JEPS7982
Androsace septentrionalis subsp. subumbellata
G. Thomas Robbins, Peter H. Raven
1954-7-19
3622
Inyo
above small lake on first bench above Consultation Lake (Lone Pine Canyon); Long Pine Canyon, above Consultation Lake
3657
Comment
JEPS7453
Androstephium breviflorum
G. Thomas Robbins and Rimo Bacigalupi
1952-4-19
3430
San Bernardino
along US Hwy 91 about 1 mi w Cronese (Cronese Valley); Mohave Desert
396
Comment
UC747416
Anemone occidentalis
G. Thomas Robbins
1945-8-3
2074
El Dorado
e. face just below summit Tells Peak; Desolation Valley Wilderness Area, Tells Peak
2743
Comment
UC1057473
Anemone oregana
G. Thomas Robbins
1940-3-21
298
Sonoma
ca 6 mi e Windsor (foothills, canyon e of Chalk Hill rd)
Comment
JEPS15559
Antennaria geyeri
G. Thomas Robbins with L. Constance, R. Bacigalupi, et al.
1956-7-25
3722
Lake
Lake-Colusa County boundary; Snow Mt. West
2145
Comment
CAS-BOT-BC69129
Antennaria geyeri
G. Thomas Robbins; L. R. Heckard
1956-7-25
3722
Colusa
At summit of Snow Mt. West
2145
Comment
UC747209
Antennaria media
G. Thomas Robbins
1944-7-28
1793
El Dorado
above, near Rockbound pass Lake Doris; Desolation Valley Wilderness
2590
Comment
CAS-BOT-BC69108
Antennaria media
G. Thomas Robbins
1944-7-28
1793
El Dorado
Above Lake Doris near Rockbound Pass, Desolation Valley Wilderness Area
2590
Comment
UC907637
Anthoxanthum aristatum
G. Thomas Robbins with J. T. Howell
1945-5-9
1894
Marin
1/2 mi n of Hamilton Field Air Base
Comment
UCD85335
Anthoxanthum occidentale
G. Thomas Robbins
1952-4-4
3409
Mendocino
About one mile southwest of Mendocino County Airport.
Comment
UC907649
Anthoxanthum odoratum
G. Thomas Robbins
1944-7-6
1755
El Dorado
5 mi s of Pollock Pines (Sly Park); Sly Park
1005
Comment
UC964836
Anulocaulis annulatus
G. Thomas Robbins
1950-4-6
3316
Inyo
Death Valley Nat'l Monument, Panamint Mts., Mosaic Canyon
Comment
UC747576
Apocynum androsaemifolium
G. Thomas Robbins
1943-7-25
1324
El Dorado
slope above e. shore of Echo Lake
2286
Comment
UCD81565
Apocynum cannabinum
W. W. Robbins; W. D. Norton
1928-8-1
1417
Yolo
near Clarksburg.
Comment
UC747577
Apocynum cannabinum
G. Thomas Robbins
1944-6-16
1694
El Dorado
roadway at edge of pine platation, Institute of Forest Genetics Institute of Forest Genetics
792
Comment
SBBG71711
Aquilegia formosa
J. R. and R. C. Robbins
1932-7-16
Mariposa
Tioga Pass Rd
Comment
CAS-BOT-BC171623
Aralia californica
G. Thomas Robbins
1945-7-16
2066
El Dorado
Woods along North Fork Webber Creek, 3 mi. e. of Camino
914
Comment
SBBG59968
Arbutus menziesii
R. C. and J. R. Robbins
1921-1
Santa Barbara
N slope Santa Ynez Mtns
Comment
UC1084439
Arbutus menziesii
G. Thomas Robbins
1940-3-21
299
Sonoma
5-6 mi e of Windsor (along Chalk Hill Road); Chalk Hill Road
91
Comment
UC747595
Arbutus menziesii
G. Thomas Robbins
1943-4-24
1026
El Dorado
3 mi ne of Camino
975
Comment
UC747678
Arbutus menziesii
G. Thomas Robbins
1944-4-14
1540
Marin
immidiately w of Hamnilton Field Air Base
30
Comment
UC746870
Arceuthobium campylopodum
G. Thomas Robbins
1943-10-28
1403
El Dorado
2-3 mi e Placerville (along Hwy 50)
762
Comment
GH362498
Arctostaphylos
G. T. Robbins
1944-2-6
1483
Unknown
Near head of Spanish Ravine at eastern outskirts of Placerville
Comment
UC1084441
Arctostaphylos
G. Thomas Robbins
1940-3-22
301
Sonoma
Guerneville Rd ca 8.5 mi w Santa Rosa (in small gully along road); Vine Hill region
45
Comment
UC747682
Arctostaphylos
G. Thomas Robbins
1944-2-6
1483
El Dorado
near head of Spanish Ravine (e outskirts of Placerville); Placerville
Comment
UC907783
Arctostaphylos
G. Thomas Robbins
1944-9-24
1830
El Dorado
ridge above North Fork Webber Creek (about 3 mi e)
1066
Comment
CAS-BOT-BC24263
Arctostaphylos mewukka
G. Thomas Robbins
1944-3-31
1492
El Dorado
Above North Fork Webber Creek, ca 3 mi. e. of Camino.
975
Comment
CAS-BOT-BC24264
Arctostaphylos mewukka
G. Thomas Robbins
1956-4-29
9117
El Dorado
Near bridge on North Fork of Consumes River at road nw. of Youngs (Somerset).
Comment
POM196057
Arctostaphylos mewukka
L. F. Robbins
1937-5-6
s.n.
El Dorado
Sly Park
Comment
GH350773
Arctostaphylos nevadensis
G. T. Robbins
1945-7-1
2028
Unknown
above shore of Grouse Lake, 2-2 1/2 miles east of Wrights Lake, 9 miles north of U. S. Highway 50
2590
Comment
RSA46949
Arctostaphylos nevadensis
G. Thomas Robbins
1945-8-5
2084
El Dorado
Along north shore of Rockbound lake, Rockbound Valley, Desolation Valley Wilderness Area.
2012
Comment
UC747661
Arctostaphylos nevadensis
G. Thomas Robbins
1945-8-5
2084
El Dorado
n shore of lake Desolation Valley Wilderness Area, Rockbound Valley, Rockbou
2011
Comment
UC747685
Arctostaphylos nevadensis
G. Thomas Robbins
1943-6-27
1216
El Dorado
ridge above Echo Summit Pass
2438
Comment
A350795
Arctostaphylos nissenana
G. T. Robbins
1944-2-6
1482
Unknown
Near head of Spanish Ravine at eastern outskirts of Placerville
Comment
CAS-BOT-BC39913
Arctostaphylos nissenana
G. Thomas Robbins
1944-2-6
1483
El Dorado
Near head of Spanish Ravine at eastern outskirts of Placerville.
Comment
CAS-BOT-BC39937
Arctostaphylos nissenana
G. Thomas Robbins
1944-2-6
1482
El Dorado
Near head of Spanish Ravine at eastern outskirts of Placerville.
Comment
CAS-BOT-BC39939
Arctostaphylos nissenana
G. Thomas Robbins
1944-3-19
1489
El Dorado
On ridge southwest of Brush Creek at its confluence with South Fork American River.
914
Comment
CAS-BOT-BC39943
Arctostaphylos nissenana
G. Thomas Robbins
1945-2-19
1838
El Dorado
Fruit Ridge, 3 mi. e. of Placerville.
762
Comment
GH350792
Arctostaphylos nissenana
G. T. Robbins
1944-2-6
1483
Unknown
near head of Spanish Ravine at eastern outskirts of Placerville
Comment
GH350796
Arctostaphylos nissenana
G. T. Robbins
1944-2-6
1482
Unknown
Near head of Spanish Ravine at eastern outskirts of Placerville
Comment
GH350797
Arctostaphylos nissenana
G. T. Robbins
1944-3-19
1489
Unknown
On ridge southwest of Brush Creek at its confluence with South Fork American River
914
Comment
JEPS15038
Arctostaphylos nissenana
G. Thomas Robbins
1943-3-28
971
El Dorado
slopes near head of Spanish Ravine; Placerville
609
Comment
UC747668
Arctostaphylos nissenana
G. Thomas Robbins
1944-2-6
1482
El Dorado
near head of Spanish Ravine (e outskirts of Placerville); Placerville
609
Comment
UC747683
Arctostaphylos nissenana
G. Thomas Robbins
1943-3-28
971
El Dorado
on slope near head of Spanish Ravine (e outskirts of Placerville); Placerville
609
Comment
UC747684
Arctostaphylos nissenana
G. Thomas Robbins
1944-3-19
1489
El Dorado
ridge sw Brush Creek at its confluence with South Fork American River
914
Comment
RSA32124
Arctostaphylos nissenana
G. Thomas Robbins
1943-3-28
971
El Dorado
on slope near head of Spanish Ravine, at eastern outskirts of Placerville
609
Comment
CAS-BOT-BC46697
Arctostaphylos patula
G. Thomas Robbins
1943-6-7
1137
El Dorado
Above Silver Fork American River near Sacramento Box Sawmill (China Flat), ca. 4 mi. s. of Kyburz.
1371
Comment
SBBG60047
Arctostaphylos patula
J. R. and R. C. Robbins
1932-6-7
Tulare
Sequoia Nat Park
1950
Comment
CAS-BOT-BC47408
Arctostaphylos viscida subsp. viscida
G. Thomas Robbins
1944-9-24
1830
El Dorado
above North Fork Webber Creek, about 3 miles east of Camino
1066
Comment
UC747552
Arctostaphylos viscida subsp. viscida
G. Thomas Robbins
1943-3-26
968
El Dorado
3 mi e Camino (canyon slope above creek); North Fork Webber Creek
1036
Comment
UC746836
Arenaria kingii var. glabrescens
G. Thomas Robbins
1944-7-28
1776
El Dorado
3 mi ne Wrights Lake; Willow Flat Trail
2286
Comment
CAS-BOT-BC102183
Argyranthemum foeniculaceum
G. Thomas Robbins; John Weiler
1959-5-23
4022
Contra Costa
Breakwater portion of Brooks Island (its northwestern extension), San Francisco Bay, Richmond
Comment
OBI16786
Argyranthemum foeniculaceum
G. Thomas Robbins, John Weiler
1959-5-23
4022
Contra Costa
Brooks Island (its NW extension), San Francisco Bay, Richmond
Comment
UCD129096
Argyranthemum foeniculaceum
G. Thomas Robbins; John Weiler
1959-5-23
4022
Contra Costa
portion of Brooks Island (its northwestern extension), San Francisco Bay.
Comment
UCD56430
Aristida adscensionis
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UC1084356
Aristolochia californica
G. Thomas Robbins
1937-3-25
15
Sonoma
Santa Rosa Creek just e. of Santa Rosa on hwy. to Sonoma
Comment
SBBG58495
Armeria maritima subsp. californica
R. C. Robbins
1931-4-16
San Luis Obispo
between Cambria and San Simeon
Comment
JEPS7971
Arnica chamissonis
G. Thomas Robbins and Peter H. Raven
1954-7-26
3635
Tulare
about 2 mi n, edge of small lake, along John Muir Trail Crabtree Meadows; Sequoia National Park, John Muir Trail
3352
Comment
CAS-BOT-BC82703
Arnica longifolia
G. Thomas Robbins
1943-9-5
1374
El Dorado
Summit of Mt. Tallac
2956
Comment
JEPS15569
Arnica longifolia
G. Thomas Robbins with L. R. Heckard
1956-7-25
3712
Colusa
Snow Mt. East (s flank) Dark Hollow Creek, Snow Mt. East
1981
Comment
UC747188
Arnica longifolia
G. Thomas Robbins
1943-9-5
1374
El Dorado
Summit of Mt. Tallac Mt. Tallac
2956
Comment
SEINET3096722
Arnica longifolia subsp. myriadenia
G. Thomas Robbins
1943-9-5
1374
El Dorado
Summit of Mt. Tallac
2960
Comment
CAS-BOT-BC82781
Arnica mollis
G. Thomas Robbins
1956-9-10
3763
Amador
slope above State Highway 88, close to turn-off for and about one-half mile south of Kirkwood Lake
2346
Comment
CAS-BOT-BC82782
Arnica mollis
G. Thomas Robbins
1956-9-10
3763
Amador
slope above State Highway 88, close to turn-off for and about one-half mile south of Kirkwood [Lakke] Lake
2346
Comment
CAS-BOT-BC82793
Arnica mollis
G. Thomas Robbins
1944-7-29
1799
El Dorado
on ridge south and above Lake Schmidell, Desolation Valley Wilderness Area
2590
Comment
JEPS15694
Arnica mollis
G. Thomas Robbins
1956-9-10
3763
Amador
1/2 mi s Kirkwood Lake
2346
Comment
JEPS15693
Arnica nevadensis
G. Thomas Robbins
1956-9-10
3764
Amador
1/2 mi s Kirkwood Lake
2346
Comment
UC747172
Arnica nevadensis
G. Thomas Robbins
1944-7-29
1806
El Dorado
Red Peak, above Lake Schmidell Desolation Valley Wilderness Area, Red Peak
2651
Comment
CAS-BOT-BC85106
Arnica nevadensis
G. Thomas Robbins
1956-9-10
3764
Amador
Steep, somewhat rocky slope above State Highway 88, close to turn-off for and about one-half mile south of Kirkwood Lake
2346
Comment
CAS-BOT-BC85108
Arnica nevadensis
G. Thomas Robbins
1956-9-10
3764
Amador
Steep, somewhat rocky slope above State Highway 88, close to turn-off for and about one-half mile south of Kirkwood Lake
2346
Comment
SD165315
Artemisia californica
Jolynn Robbins
2004-7-5
17
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
UC747153
Artemisia cana subsp. bolanderi
G. Thomas Robbins
1945-10-18
2157
Lassen
Harvey Valley Lassen National Forest, Harvey Valley
1676
Comment
CAS-BOT-BC84832
Artemisia cana subsp. cana
G. Thomas Robbins
1945-10-18
2157
Lassen
Harvey Valley, Lassen National Forest
1676
Comment
UC747197
Artemisia douglasiana
G. Thomas Robbins
1943-7-10
1260
El Dorado
3 mi e Placerville; Eddy Arboretum, Institute of Forest Genetics
822
Comment
SD185452
Artemisia dracunculus
Jolynn Robbins
2004-8-23
31
San Diego
Damon Lane County Park in south El Cajon. N of the intersection of Fury Ln and Wieghorst Way.
68
Comment
JEPS15688
Artemisia norvegica subsp. saxatilis
G. Thomas Robbins
1956-9-10
3769
Alpine
2 airline miles s of Carson Pass (along trail to Round top and Elephants Back, between Woods Lake and Winnemucca Lake)
2621
Comment
SEINET195656
Artemisia tridentata subsp. tridentata
G. Thomas Robbins
1945-10-18
2157
Lassen
Lassen National Forest; Harvey Valley
1676
Comment
GH427520
Artemisia tridentata subsp. vaseyana
G. T. Robbins
1945-10-7
2155
Unknown
Southeast slope of Harvey Mt., 2-3 miles northeast of Burgess Spring, Harvey Valley, Lassen N. F. [National Forest] (T.33N., R.9E)
1676
Comment
SEINET195654
Artemisia tridentata subsp. vaseyana
G. Thomas Robbins
1945-10-7
2155
Lassen
Lassen National Forest; Harvey Mountain, 2-3 miles northeast of burgess Spring, Harvey Valley
1676
Comment
UC747132
Artemisia tridentata subsp. vaseyana
G. Thomas Robbins
1943-9-5
1396
El Dorado
along Tahoe-Yosemite Trail 1-2 mi nw Glen Alpine Springs
2286
Comment
UC747155
Artemisia tridentata subsp. vaseyana
G. Thomas Robbins
1945-10-7
2155
Lassen
2-3 mi ne Burgess Spring (se slope of Harvey Mt.); Lassen National Forest, Harvey Valley
1676
Comment
UCD137861
Asarum hartwegii
W. W. Robbins
1928-4-29
986
Sacramento
American River.
Comment
SBBG58673
Asclepias eriocarpa
J. R. and R. C. Robbins
1932-6-7
Tulare
Sequoia Nat Park Rd [Marble Fk?]
457
Comment
UCD121347
Asclepias fascicularis
W. W. Robbins
1931-8-2
2228
Yolo
Near Davis.
Comment
SEINET195648
Asclepias speciosa
G. Thomas Robbins
1943-7-18
1278
El Dorado
Near Phippen Mill, 5 miles south of Pollock Pines.
1006
Comment
UCD121380
Asclepias speciosa
W. W. Robbins
1941-8-8
s.n.
Mendocino
Round Valley.
Comment
CAS-BOT-BC65937
Aspidotis densa
G. Thomas Robbins
1945-6-17
1994
El Dorado
above Camp Creek near Baltic Peak
1005
Comment
UC964818
Aspidotis densa
G. Thomas Robbins
1945-6-14
1994
El Dorado
near Baltic Peak (above Camp Creek)
1005
Comment
UC964854
Aspidotis densa
G. Thomas Robbins
1943-6-27
1218
El Dorado
above Echo Summit Pass (ca. 3/4 mi sw of US Hwy 50)
2438
Comment
UC964848
Aspidotis densa
G. Thomas Robbins
1943-6-13
1165
El Dorado
just w of its junction with Plum Creek and Hazel Valley roads Park Creek Rd
1219
Comment
SBBG68401
Astragalus bolanderi
J. R. and R. C. Robbins
1932-7-14
Mariposa
Chinquapin to Glacier Point
Comment
UC746972
Astragalus bolanderi
G. Thomas Robbins
1943-8-15
1358
El Dorado
along shore Wrights Lake; along shore Wrights Lake
2286
Comment
CAS-BOT-BC178479
Astragalus gambelianus
G. Thomas Robbins
1944-5-16
1607
El Dorado
Grassy sites at Institute of Forest Genetics, 3 mi. e. of Placerville.
822
Comment
UC746981
Astragalus gambelianus
G. Thomas Robbins
1944-5-16
1607
El Dorado
3 mi e Placerville (at Institute of Forest Genetics); Institute of Forest Genetics, e of Placerville
822
Comment
SEINET898177
Astragalus lentiginosus
G. Thomas Robbins, Rimo Bacigalupi
1952-1
3443
Kern
Corollas yellow. Along highway between Wasco and Taft on rolling hills just north of Buena Vista Lake,
Comment
JEPS7473
Astragalus lentiginosus var. nigricalycis
G. Thomas Robbins, Rimo Bacigalupi
1952-4-19
3443
Kern
along highway between Wasco and Taft on rolling hills just n Buena Vista Lake; n of Buena Vista Lake, between Wasco and Taft
Comment
RSA109602
Astragalus lentiginosus var. nigricalycis
G. Thomas Robbins, R. C. Bacigalupi
1952-4-19
3443
Kern
Along Hwy between Wasco and Taft on rolling hills just north of Buena Vista Lake.
Comment
JEPS7463
Astragalus lentiginosus var. variabilis
G. Thomas Robbins, Rimo Bacigalupi
1952-4-19
3441
Kern
on road to Kramer about 10 mi e Mohave (Mohave Desert); , e of Mohave
792
Comment
RSA0006806
Astragalus lentiginosus var. variabilis
G. Thomas Robbins, R. C. Bacigalupi
1952-4-19
3441
Kern
10 miles east of Mojave
Comment
RSA0006830
Astragalus nuttallianus var. imperfectus
G. Thomas Robbins, R. C. Bacigalupi
1952-4-28
3473
San Bernardino
Rocky slopes near Mitchell's Caverns, Providence Mtns.
1372
Comment
CAS-BOT-BC193328
Astragalus tener var. tener
G. Thomas Robbins
1959-4-11
3977
Alameda
About 1/4 mile north of the west end of Depot Road, adjacent to (just east of) the American Salt Co. evaporating ponds along the shore of San Francisco Bay, about 1 3/4 miles northwest of Mt. Eden and about 3/4 miles south of Russell
1
Comment
UC747639
Athyrium distentifolium var. americanum
G. Thomas Robbins
1945-8-3
2075
El Dorado
just below summit Tells Peak (slopes on e face); Desolation Valley Wilderness Area
2743
Comment
UC964856
Athyrium distentifolium var. americanum
G. Thomas Robbins
1945-8-3
2075
El Dorado
just below summit Tells Peak (e face); Desolation Valley Wilderness Area
2743
Comment
CAS-BOT-BC68081
Athyrium filix-femina subsp. cyclosorum
G. Thomas Robbins
1944-6-7
1657
El Dorado
North Fork Webber Creek, 3 mi. e. of Camino
975
Comment
JEPS20852
Athyrium filix-femina var. cyclosorum
G. Thomas Robbins
1956-9-14
3783
El Dorado
ca. 1/2 mi nw of Echo Summit (along U.S. Hwy 50)
2225
Comment
UC747644
Athyrium filix-femina var. cyclosorum
G. Thomas Robbins
1944-6-7
1657
El Dorado
3 mi e Camino (canyon slope above N Fork Webber Creek)
975
Comment
UC747386
Athysanus pusillus
G. Thomas Robbins
1943-4-10
988
El Dorado
3 mi e of Camino (above North Fork Webber Creek)
975
Comment
JEPS15531
Atriplex leucophylla
G. Thomas Robbins
1956-8-18
3739
San Mateo
along ocean shore near the mouth Pomponio Creek; near mouth Pomponio Creek
Comment
JEPS25154
Atriplex leucophylla
G. Thomas Robbins with John Weiler
1959-5-23
4024
Contra Costa
on breakwater northwestern extension Brooks Island (Richmond); San Francisco Bay, , Brooks Island
Comment
JEPS25279
Atriplex leucophylla
G. Thomas Robbins
1959-9-27
4166
Alameda
at edge San Francisco Bay about one-half mi e San Francisco-Oakland Bay Bridge Toll Plaza (Oakland); edge San Francisco Bay, Oakland
Comment
UCD97608
Atriplex polycarpa
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
JEPS24999
Atriplex semibaccata
G. Thomas Robbins
1958-8-9
3923
Alameda
waste places around public dump at the w end Willow Road about one-half mi ne Plummer Landing (sw of Newark); , ne of Plummer Landing
Comment
UCD81539
Baccharis douglasii
W. W. Robbins; W. D. Norton
1928-8-1
1425
Yolo
near Clarksburg.
Comment
UCD81540
Baccharis douglasii
W. W. Robbins; W. D. Norton
1928-8-1
1425
Yolo
near Clarksburg.
Comment
JEPS22057
Baccharis glutinosa
G. Thomas Robbins
1958-7-19
3900
Alameda
paralleling S. Pacific railroad on e and Richmond Access Hwy. (Hoffman Blvd.) and S. F. Bay on w, ca. 0.2 mi s of Contra Costa Co. boundary, Albany.
Comment
UC747193
Baccharis pilularis
G. Thomas Robbins
1943-11-2
1406
El Dorado
3 mi e of, on slope above Smith Flat Placerville
731
Comment
SBBG63135
Baccharis pilularis subsp. consanguinea
R. C. and J. R. Robbins
1920-10-19
Santa Barbara
Hot Springs Rd, Montecito
Comment
SD185462
Baccharis salicifolia
Jolynn Robbins
2006-4-9
37
San Diego
Damon Lane County Park in south El Cajon. N of the intersection of Fury Ln and Wieghorst Way.
68
Comment
UCD129504
Baileya pauciradiata
W. W. Robbins
1939-12-24
s.n.
San Diego
Southeast San Diego County: Exact location unknown.
Comment
UC747152
Balsamorhiza deltoidea
G. Thomas Robbins
1944-5-5
1582
El Dorado
e and above, 2 1/2 mi e of Placerville Smith Flat
670
Comment
CAS-BOT-BC106533
Balsamorhiza deltoidea
G. Thomas Robbins
1944-5-5
1582
El Dorado
Wooded slope e. and above Smith Flat, 2 1/2 mi. e. of Placerville.
670
Comment
UC747150
Balsamorhiza sagittata
G. Thomas Robbins
1945-7-8
2041
El Dorado
near Al Tahoe; Lake Tahoe
1920
Comment
CAS-BOT-BC16384
Barbarea orthoceras
G. Thomas Robbins
1944-7-28
1778
El Dorado
Along Willow Flat Trail, about 3 miles northeast of Wrights Lake.
2438
Comment
CAS-BOT-BC16781
Barbarea verna
G. Thomas Robbins
1945-5-27
1949
El Dorado
North Fork Webber Creek, 1.5 mile south of Camino, along Pleasant Valley Road.
762
Comment
CAS-BOT-BC16782
Barbarea verna
G. Thomas Robbins
1944-5-16
1608
El Dorado
Along North Fork Webber Creek, ca. 3 miles east of Camino.
914
Comment
UCD97585
Bassia hyssopifolia
G. Thomas Robbins; D. M. Post, J. W. Dawson, and P. H. Raven
1954-9-3
3648
Stanislaus
Along Vernalis-Modesto Road (Maze Road), 5.4 miles east of Vernalis and 1.8 miles east of bridge crossing the San Joaquin River.
7
Comment
UC907656
Beckmannia syzigachne
G. Thomas Robbins with J. T. Howell
1945-5-9
1878
Marin
1/2 mi n Hamilton Field Air Base
Comment
CAS-BOT-BC75601
Berberis dictyota
R. C. Robbins; J. Robbins
1921-1-1
s.n.
Santa Barbara
Mono Canyon Trail.
Comment
UC747391
Berberis nervosa
G. Thomas Robbins
1944-5-28
1638
El Dorado
1-2 mi from its confluence with South Fork American River Long Creek
762
Comment
UCSB8245
Blechnum spicant
Robbins, G.
1936-8-1
Humboldt
Near Strong's Station.
Comment
GH414796
Blennosperma nanum
G. T. Robbins
1945-4-22
1857
Unknown
about 2 1/2 mi. e. of Shingle Springs
457
Comment
UC747431
Boechera howellii
G. Thomas Robbins
1944-7-29
1805
El Dorado
above Lake Schmidell; Red Peak, Desolation Valley Wilderness Area
2651
Comment
RSA0034611
Boisduvalia densiflora var. densiflora
G. Thomas Robbins
1943-6-21
1206
El Dorado
West of Institute of Forest Genetics, 3 miles E of Placerville
732
Comment
RSA41252
Boisduvalia densiflora var. densiflora
G. Thomas Robbins
1944-8-15
1828
El Dorado
Along U.S. Highway 50, three miles east of Placerville
671
Comment
RSA41255
Boisduvalia stricta
G. Thomas Robbins
1944-6-9
1667
El Dorado
Institute of Forest Genetics, 3 miles east of Placerville
793
Comment
JEPS22012
Bolboschoenus maritimus
G. Thomas Robbins
1958-6-14
3868
Alameda
in wet clay on banks of slough along Mt. Eden Road about 1 1/2 mi n Alvarado; n of Alvarado
1
Comment
UCD56847
Bouteloua barbata
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
JEPS9711
Bowlesia incana
G. Thomas Robbins
1955-4-16
3652
Alameda
about 1 mi s of Alvarado (along Marsh Road); Marsh Road
1
Comment
RSA32295
Boykinia occidentalis
G. Thomas Robbins
1943-6-17
1187
El Dorado
Near head of Long canyon. 2-3 miles E of Pollock Pines.
976
Comment
UC747439
Brassica nigra
G. Thomas Robbins
1943-7-10
1257
El Dorado
Eddy Arboretum, Institute of Forest Genetics, 3 miles E of Placerville.
822
Comment
JEPS25250
Brickellia californica
G. Thomas Robbins with John Weiler
1959-8-6
4130
Monterey
about 6 mi s of Pfeiffer-Big Sur State Park and the crossing of the Big Sur River, along State Highway 1 Pfeiffer-Big Sur State Park
182
Comment
OBI16910
Brickellia californica
G. Thomas Robbins, John Weiler
1959-8-6
4130
Monterey
State Hwy 1 about 6 mi S of Pfeiffer-Big Sur State Park and the crossing of Bug Sur River;
183
Comment
JEPS15529
Brickellia greenei
G. Thomas Robbins with L. R. Heckard
1956-7-25
3729
Lake
along trail to, se of Snow Mt. (s and below Fouts Camp, on ridge forming the county <Lake, Colusa> boundary)
1828
Comment
SEINET195653
Brodiaea coronaria subsp. coronaria
G. Thomas Robbins
1943-5-28
1099
El Dorado
At western edge of Institute of Forest Genetics 3 miles east of Placerville
732
Comment
UC747523
Brodiaea minor
G. Thomas Robbins
1945-5-20
1918
El Dorado
3 mi. e. Rescue (along Placerville-Rescue Rd.)
457
Comment
UC747541
Brodiaea minor
G. Thomas Robbins
1944-6-27
1737
El Dorado
top of ridge above North Fork Webber Creek (about 3 mi e of Camino)
975
Comment
SEINET799043
Bromus carinatus
G. Thomas Robbins
1943-1
1178
El Dorado
In Arboretum of Institute of Forest Genetics, 3 miles E. of Placerville
822
Comment
JEPS25124
Bromus carinatus var. carinatus
G. Thomas Robbins
1959-4-18
3991
Contra Costa
near and n of Point Richmond (w base of Potrero Hills, along Western Drive); Richmond, Potrero Hills, Western Drive
4
Comment
SEINET943642
Bromus carinatus var. carinatus
G. Thomas Robbins
1944-1
1696
El Dorado
Institute of Forest Genetics, 3 miles E. of Placerville
822
Comment
UCD59870
Bromus tectorum
Robbins; Raynor
1943-6-1
s.n.
Modoc
Modoc County
Comment
UC1600434
Calamagrostis canadensis
G. Thomas Robbins
1951-7-30
3403
Fresno
about 1 mi w of Bear Creek (s and w of Hilgard Branch of Bear Creek)
2926
Comment
UC1084389
Calandrinia ciliata
G. Thomas Robbins
1937-4-11
99
San Mateo
grassy meadow near Spring Valley Lakes (along road to Woodside)
Comment
UC1084413
Calandrinia ciliata
G. Thomas Robbins
1937-4-11
105
San Mateo
grassy meadow near Spring Valley Lakes (along road to Woodside)
Comment
CAS-BOT-BC438379
Calandrinia ciliata
G. Thomas Robbins
1944-6-13
1681
El Dorado
At Institute of Forest Genetics, 3 mi. e. of Placerville
822
Comment
GH356744
Calocedrus decurrens
G. T. Robbins
1944-10-15
1832
Unknown
C.C.C. Camp Snowline, 3 mi. e. of Camino
1036
Comment
RSA41257
Calocedrus decurrens
G. Thomas Robbins
1944-10-15
1832
El Dorado
At CCC Camp Snowlie, 3 mile east of Camino
1037
Comment
SEINET195490
Calocedrus decurrens
G. T. Robbins
1944-2-6
1484
El Dorado
At CCC Camp Snowline 3 mi E of Camino
1036
Comment
SEINET195492
Calocedrus decurrens
G. T. Robbins
1944-10-15
1832
El Dorado
At CCC Camp Snowline 3 mi E of Camino
1036
Comment
UCD139459
Calochortus albus
W. W. Robbins
1926-4-17
512
Nevada
Grass Valley.
Comment
UCD139460
Calochortus albus
W. W. Robbins
1928-4-29
974
Unknown
County Unknown: American River.
Comment
GH357319
Calochortus clavatus var. avius
G. T. Robbins
1944-7-12
1762
Unknown
North Fork Webber Creek, about 3 miles east of Camino, El Dorado County
914
Comment
UC747010
Calochortus clavatus var. avius
G. Thomas Robbins
1944-7-12
1762
El Dorado
about 3 mi e Camino (on slope above North Fork Webber Creek)
914
Comment
UC747533
Calochortus clavatus var. avius
G. Thomas Robbins
1945-7-16
2064
El Dorado
about 3 mi e Camino (on slope above North Fork Webber Creek)
914
Comment
CAS-BOT-BC487800
Calochortus coeruleus
G. Thomas Robbins
1944-6-18
1727
El Dorado
Along Capps Crossing Road on Camp Creek Ridge
1371
Comment
RSA32302
Calochortus leichtlinii
G. Thomas Robbins
1943-7-25
1284
El Dorado
Above Lake Le Conte E of Medley Lakes, Desolation Valley Wilderness Area.
2591
Comment
SBBG57703
Calochortus luteus
J. R. and R. C. Robbins
1932-6-9
San Luis Obispo
10 mi inland from Cayucos
304
Comment
SBBG57727
Calochortus luteus
J. R. and R. C. Robbins
1932-6-8
Tulare
Sequoia Nat Park
914
Comment
CAS-BOT-BC492568
Calochortus minimus
G. Thomas Robbins
1943-4-25
1029
El Dorado
Open Ponderosa pine woods on ridge SE and above North Fork Webber Creek cayon, ca. 3 mi. e. of Camino.
1036
Comment
RSA32312
Calochortus minimus
G. Thomas Robbins
1943-7-25
1300
El Dorado
Along trail to Echo Lake, about 1/2 mile southeast of Desolation Valley Wilderness Area
2439
Comment
UCD139563
Calochortus monophyllus
W. W. Robbins
1926-4-17
516
Nevada
Grass Valley.
Comment
CAS-BOT-BC492620
Calochortus monophyllus
G. Thomas Robbins
1943-3-31
977
El Dorado
At western edge of Institute of Forest Genetics above Smith Flat
792
Comment
POM196053
Calochortus monophyllus
L. F. Robbins
1928-4-29
s.n.
El Dorado
Above Placerville.
Comment
GH404196
Calochortus nudus
G. T. Robbins
1943-4-25
1029
Unknown
ridge south east and above North Fork Webber Creek, about 3 miles east of Camino
1036
Comment
UC747522
Calochortus superbus
G. Thomas Robbins
1943-5-29
1106
El Dorado
3 mi e Placerville (slope at w edge of Institute of Forest Genetics); Institute of Forest Genetics
731
Comment
UC1057483
Calochortus tolmiei
G. Thomas Robbins
1938-4-15
254
Sonoma
2.5 mi e Bodega Bay
Comment
UCSB641
Calochortus tolmiei
Robbins, G.
1938-4-15
Sonoma
About 2.5 miles east of Bodega Bay
Comment
CAS-BOT-BC496753
Calochortus venustus
G. Thomas Robbins
1943-5-29
1106
El Dorado
Open, grassy areas on Digger pine woodland slope at western edge on Institute of Forest Genetics, 3 mi. e. of Placerville.
731
Comment
UC747594
Calycadenia multiglandulosa
G. Thomas Robbins
1943-5-28
1101
El Dorado
Western edge of Institute of Forest Genetics
731
Comment
UC747175
Calycadenia truncata
G. Thomas Robbins
1943-7-15
1269
El Dorado
3 mi e Camino; North Fork Webber Creek
975
Comment
UC907779
Calycadenia truncata
G. Thomas Robbins
1944-6-9
1665
El Dorado
3 mi e, near Institute of Forest Genetics Placerville
762
Comment
CAS-BOT-BC275358
Calycadenia truncata var. truncata
G. Thomas Robbins
1943-7-15
1269
El Dorado
Above N Fork Webber Creek, about 3 miles E of Camino
975
Comment
SD45400
Calyptridium monandrum
G. Thomas Robbins
1950-4-2
3300
Kern
Above Kern River about 1 mile northeast of Isabella
760
Comment
SBBG69675
Calyptridium monospermum
J. R. and R. C. Robbins
1932-7-14
Mariposa
Chinquapin to Glacier Point
Comment
UC746852
Calyptridium umbellatum
G. Thomas Robbins
1943-7-25
1304
El Dorado
2 mi nw of Echo Lake (along Desolation Valley trail near Haypress Meadows); Desolation Valley trail
2438
Comment
SEINET195175
Calyptridium umbellatum
G. T. Robbins
1943-7-25
1304
El Dorado
Along the Desolation Valley trail near Haypress Meadows ca 2 mi NW of Echo Lake
2438
Comment
UC747570
Calystegia occidentalis subsp. occidentalis
G. Thomas Robbins
1943-5-25
1090
El Dorado
3 mi e Placerville (Institute of Forest Genetics); e of Placerville, Institute of Forest Genetics
822
Comment
RSA32313
Camassia leichtlinii subsp. suksdorfii
G. Thomas Robbins
1943-8-15
1348
El Dorado
In drainage streamlet of Grouse Lake, 2.5 miles northeast of Wrights Lake
Comment
UC747520
Camassia quamash
G. Thomas Robbins
1943-8-15
1348
El Dorado
2 1/2 mi ne of Wrights Lake (in streamlet of Grouse Lake); Grouse Lake
2438
Comment
UC1084506
Camissonia campestris subsp. campestris
G. Thomas Robbins
1940-5-19
328
Contra Costa
e Antioch (slope above river); San Joaquin River
Comment
RSA41256
Camissonia ovata
G. Thomas Robbins
1944-4-14
1502
Marin
Just north of Big Rock Ridge, ca. 3 miles west of Hamilton Field Air Base
30
Comment
UC1084495
Camissoniopsis cheiranthifolia subsp. cheiranthifolia
G. Thomas Robbins
1940-5-15
316
San Francisco
Sunset District San Francisco (sand hills)
Comment
JEPS19404
Campanula californica
G. Thomas Robbins
1938-6-23
269
Sonoma
ca 10 mi w Santa Rosa (on Pitkin ranch, Vine Hill region); Vine Hill
Comment
JEPS22066
Campanula californica
G. Thomas Robbins with S. Galen Smith
1958-7-8
3892
Marin
along roadside to McClure Beach (0.2 mi w of Sir Francis Drake Highway)
114
Comment
UC747045
Campanula prenanthoides
G. Thomas Robbins
1945-8-6
2110
El Dorado
woods about 1/2 mi w Long Meadow (near Schlien Ranger Station)
1676
Comment
SEINET10463056
Campanula prenanthoides
Robbins
1945-8-6
ROBBINS 2110
El Dorado
About 0.5 mile west of Long Meadow near Schlien Ranger Station. T13N R14E Sec. 14
1676
Comment
SEINET195481
Campanula prenanthoides
G. Thomas Robbins
1943-6-20
1195
El Dorado
Above South Fork of American River 4-5 mi. W of Pollock Pines.
914
Comment
SEINET1869535
Campanulaceae
G. Thomas Robbins, R. Bacigalupi, L. Constance, G. W. Gillett and L. R. Heckard
1952-1
3488 -A
Inyo
McLain Park, 8.8 miles south of Shoshone.
427
Comment
UC747429
Capsella bursa-pastoris
G. Thomas Robbins
1944-5-7
1594
El Dorado
3 mi e of Camino (along North Fork Webber Creek, on site of abandoned sawmill); North Fork Webber Creek
914
Comment
UCSB2275
Capsella bursa-pastoris
Robbins, G.
1937-4-4
Alameda
Berkeley Hills
Comment
CAS-BOT-BC37413
Cardamine californica
G. Thomas Robbins
1944-3-28
1491
El Dorado
Along US Highway 50, 3 miles east of Camino.
1036
Comment
SBBG72219
Cardamine californica
J. R. and R. C. Robbins
1932-7-17
Tuolumne
Tioga Pass Rd
Comment
UC747398
Cardamine californica
G. Thomas Robbins
1944-3-28
1491
El Dorado
along U.S. Highway 50 3 mi e Camino; e of Camino
1036
Comment
UC1057433
Cardamine californica var. californica
G. Thomas Robbins
1937-3-25
1
Sonoma
bank Sonoma Creek (Bennett Valley); , bank Sonoma Creek
Comment
UC1084357
Cardamine californica var. integrifolia
G. Thomas Robbins
1937-3-26
16
Sonoma
along highway to Sebastopol just w Wright School; w of Wright School
Comment
CAS-BOT-BC38123
Cardamine pensylvanica
G. Thomas Robbins
1944-5-7
1591
El Dorado
Park Creek, near Sly Park, 5 miles south of Pollock Pines.
975
Comment
UCD129928
Carduus tenuiflorus
W. W. Robbins
1951-6-2
s.n.
Alameda
Berkeley.
Comment
JEPS15542
Carex athrostachya
G. Thomas Robbins with L. R. Heckard
1956-7-25
3700
Lake
Eastern base of ridge that forms a southeastern extension of Snow Mt. West, 1/2 air mile from its summit; [Continues in Notes field]
1981
Comment
CAS-BOT-BC18100
Carex athrostachya
G. Thomas Robbins; L. R. Heckard
1956-7-25
3700
Lake
Lake - Colusa County boundary.
1981
Comment
JEPS25138
Carex barbarae
G. Thomas Robbins
1959-5-16
4008
Contra Costa
Caly [clay] banks and rivulet just north of Point Orient, Potrero Hills, overlooking San Francisco Bay, Richmond
Comment
JEPS25239
Carex barbarae
G. Thomas Robbins
1959-8-1
4116
Contra Costa
Las Trampas Creek, about 1 1/2 miles SE of St. Mary's College
182
Comment
RSA153458
Carex barbarae
G. Thomas Robbins
1959-5-16
4008
Contra Costa
Just north of Pt. Orient, Potrero Hills, overlooking San Francisco Bay, Richmond.
Comment
JEPS25252
Carex bolanderi
G. Thomas Robbins with John Weiler
1959-8-7
4135
Monterey
3.5 to 4 mi n (old) Gorda (along Mill Creek, just below bridge crossing on State Highway 1); Mill Creek
12
Comment
CAS-BOT-BC34307
Carex congdonii
G. Thomas Robbins
1951-8-3
3405
Fresno
On northeastern slopes of Glacier Divide at its northern extremity, 2-3 miles south and east of Hutchinson Meadow.
3352
Comment
UC907720
Carex densa
G. Thomas Robbins
1945-5-15
1903
El Dorado
1/2 mi e Smithflat
701
Comment
UC907785
Carex densa
G. Thomas Robbins
1945-5-9
1885
Marin
1/2 mi n Ignacio
Comment
CAS-BOT-BC34959
Carex densa
G. Thomas Robbins
1945-5-15
1903
El Dorado
0.5 mile east of Smithflat.
701
Comment
CAS-BOT-BC20235
Carex filifolia var. erostrata
G. Thomas Robbins
1951-7-24
3390
Fresno
Pioneer Basin.
3230
Comment
UC907665
Carex fracta
G. Thomas Robbins
1944-6-7
1662
El Dorado
3 mi E of Camino (North Fork Webber Creek)
914
Comment
UC907786
Carex gracilior
G. Thomas Robbins
1945-5-9
1887
Marin
about 1/2 mi n Ignacio
Comment
UC972362
Carex heteroneura
G. Thomas Robbins
1951-7-26
3396
Fresno
West of Second Recess and Mono Creek; Laurel Creek basin
Comment
CAS-BOT-BC32216
Carex multicostata
G. Thomas Robbins
1944-7-29
1801
El Dorado
On ridge S and above Lake Schmidell, Desolation Valley Wilderness Area.
2590
Comment
UC747499
Carex multicostata
G. Thomas Robbins
1944-7-29
1801
El Dorado
on ridge s and above Lake Schmidell; Desolation Valley Wilderness Area
2590
Comment
JEPS25166
Carex nudata
G. Thomas Robbins
1959-5-31
4038
Marin
2-3 mi nw Lagunitas (about 1 mi within nw park boundary); Samuel P. Taylor State Park, Lagunitas Creek
45
Comment
JEPS30776
Carex pansa
G. Thomas Robbins
1950-5-13
3344
San Luis Obispo
sand dunes se Oso Flaco Lake
Comment
JEPS25158
Carex praegracilis
G. Thomas Robbins with John Weiler
1959-5-23
4029
Contra Costa
at the nw edge of Brooks Island San Francisco Bay, Richmond, Brooks Island
Comment
CAS-BOT-BC118346
Carex praegracilis
G. Thomas Robbins; John Weiler
1959-5-23
4029
Contra Costa
NW edge of Brooks Island, San Francisco Bay, Richmond.
Comment
JEPS15695
Carex specifica
G. T. Robbins
1956-9-10
3762
Alpine
Twin Lakes Forest Service public campground, on n shore of Twin Lakes Twin Lakes, Twin Lakes Forest Service public campground
2499
Comment
UC972337
Carex straminiformis
G. Thomas Robbins
1951-7-24
3392
Fresno
Pioneer Basin
3230
Comment
JEPS25105
Carex subbracteata
G. Thomas Robbins
1959-4-18
3984
Contra Costa
about 1/2 mi e Pt. San Pablo (overlooking San Pablo Bay); San Pablo Bay, Richmond
7
Comment
JEPS25119
Carex subbracteata
G. Thomas Robbins
1959-4-18
3985
Contra Costa
1/2 mi e Pt. San Pablo (overlooking San Pablo Bay); San Pablo Bay, Richmond
7
Comment
CAS-BOT-BC116916
Carex subbracteata var. subbracteata
G. Thomas Robbins
1959-4-18
3984
Contra Costa
Overlooking San Pablo Bay, ca 1/2 mi E of Pt. San Pablo, Richmond.
7
Comment
CAS-BOT-BC116697
Carex subfusca
G. Thomas Robbins
1956-9-14
3788
El Dorado
Along US Hwy 50, ca 1/2 mi NW of Echo Summit.
2225
Comment
UC972356
Carex utriculata
G. Thomas Robbins
1951-7-26
3393
Fresno
w Second Recess and Mono Creek; Laurel Creek basin
3108
Comment
JEPS7951
Carpenteria californica
G. Thomas Robbins and Lawrence R. Heckard
1953-6-1
3561
Fresno
granite slopes of mountain 4.8 mi se Auberry; Bald Mountain
914
Comment
JEPS21966
Carthamus tinctorius
G. Thomas Robbins with S. Galen Smith
1958-6-2
3850
Contra Costa
at junction with U.S. Highway 40 Franklin Canyon Road (State Highway 4) (Hercules (a short distance w of its e boundary)); Hercules, Franklin Canyon
Comment
GH362595
Cassiope mertensiana subsp. californica
G. T. Robbins
1943-7-25
1294
Unknown
on slopes east of Medley Lakes, Desolation Valley Wilderness Area
2590
Comment
JEPS23268
Castilleja
G. Thomas Robbins with John Weiler
1959-8-8
4148
San Luis Obispo
about 1.5 mi sw Oso Flaco Lake; ; HEXAPLOID
15
Comment
JEPS3653
Castilleja
G. T. Robbins and L. R. Heckard
1953-5-31
489
Stanislaus
Knights Ferry; Stanislaus River
Comment
OBI9667
Castilleja affinis
G. Thomas Robbins, John Weiler
1959-8-8
4148
San Luis Obispo
About 1.5 mi SE of Oso Flaco Lake
15
Comment
SBBG100029
Castilleja affinis
G. T. Robbins, K. Harrison
1955-5-16
5140
San Luis Obispo
upper reaches of Camatta Cyn, 1.6 mi N of jct of Camatta Cyn Rd, with direct rd from La Panza to Creston
396
Comment
JEPS15585
Castilleja affinis subsp. affinis
G. Thomas Robbins
1956-8-18
3741
San Mateo
immediately n mouth of Butano Creek (nw of Pescadero)
Comment Read comments Feb 28 2011
JEPS15586
Castilleja affinis subsp. affinis
G. Thomas Robbins
1956-8-18
3740
San Mateo
immediately n mouth of Butano Creek (nw of Pescadero)
Comment Read comments Feb 28 2011
JEPS19384
Castilleja affinis subsp. affinis
G. Thomas Robbins
1940-5-15
319
San Francisco
Sunset District San Francisco
Comment
JEPS19387
Castilleja affinis subsp. affinis
G. Thomas Robbins
1937-4-17
119
Contra Costa
near Point Richmond
Comment
JEPS19388
Castilleja affinis subsp. affinis
G. Thomas Robbins
1940-3-24
309
Sonoma
about 6 mi e Santa Rosa (on Rincon Grade); Rincon Grade
167
Comment
JEPS23818
Castilleja affinis subsp. affinis
G. Thomas Robbins
1959-4-18
3990
Contra Costa
about 0.25 mi e and above Pt. San Pablo; Richmond
30
Comment
JEPS7782
Castilleja affinis subsp. affinis
G. Thomas Robbins and Lawrence R. Heckard
1953-6-1
3568
Fresno
2.5 mi se Auberry; Bald Mountain
786
Comment
JEPS22700
Castilleja affinis subsp. affinis
G. Thomas Robbins
1958-5-9
3826
San Francisco
w of (opposite) Lake Merced (along Skyline Blvd (State Highway 5), 0.2 mi s of entrance to Harding Park Golf Course); San Francisco
16
Comment
JEPS5392
Castilleja affinis subsp. affinis
G. Thomas Robbins and R. Bacigalupi
1952-4-15
3413
Monterey
about 3 mi n Kings City (just off U.S. Hwy 101)
Comment
GH365404
Castilleja ambigua
G. T. Robbins
1945-5-9
1899
Unknown
1/2 mile north of Hamilton Field Air Base
Comment
JEPS5587
Castilleja angustifolia
G. T. Robbins and Rimo Bacigalupi
1952-5-1
3492
Inyo
head of Titus Canyon, at the site of Leadfield Death Valley National Monument, Titus Canyon
1645
Comment
JEPS15576
Castilleja applegatei subsp. pallida
G. Thomas Robbins
1956-9-10
3773
Alpine
about 2 air mi s Carson Pass (along trail to Elephants Back, w shore of Winnemucca Lake); Winnemucca Lake
2743
Comment
CAS-BOT-BC249414
Castilleja applegatei subsp. pallida
G. Thomas Robbins
1956-9-10
3773
Alpine
Above west shore of Winnemucca Lake, along trail to Elephants Back, about 2 miles airline south of Carson Pass
2743
Comment
CAS-BOT-BC249419
Castilleja applegatei subsp. pallida
G. Thomas Robbins
1956-9-10
3773
Alpine
Above west shore of Winnemucca Lake, along trail to Elephants Back, about 2 miles airline south of Carson Pass
2743
Comment
UC907705
Castilleja applegatei subsp. pinetorum
G. Thomas Robbins
1943-5-2
1061
El Dorado
ca 3 mi e Camino (slope above North Fork Webber Creek)
914
Comment
UC907744
Castilleja applegatei subsp. pinetorum
G. Thomas Robbins
1945-7-8
2045
El Dorado
near Al Tahoe; Lake Valley
1920
Comment
JEPS7771
Castilleja attenuata
G. Thomas Robbins
1953-5-8
3523
Calaveras
about 1 mi w Murphys; Angles Creek Canyon
670
Comment
JEPS7780
Castilleja attenuata
G. Thomas Robbins and Lawrence R. Heckard
1953-5-30
3551
Tulare
about 10.5 mi se Three Rivers (above canyon of South Fork of Kaweah River)
908
Comment
UC747126
Castilleja attenuata
G. Thomas Robbins
1945-5-17
1909
El Dorado
about 3 mi e Camino (canyon side above the North Fork Webber Creek)
1005
Comment
JEPS14536
Castilleja attenuata
G. Thomas Robbins with Peter H. Raven
1956-4-29
3683
El Dorado
se edge Placerville; Spanich Ravine
594
Comment
JEPS4482
Castilleja brevistyla
G. T. Robbins and Rimo Bacigalupi
1952-4-16
3423
Kern
opposite Bodfish Post Office (at road junction of Calif State Highway 178 and the road s to Havilah)
807
Comment
UCSB5969
Castilleja chromosa
Robbins, G.; Bacigalupi, Rimo
1952-4-17
Kern
Alluvial slopes above (west of) Homestead, on U.S. Highway No. 6, 4.7 miles north of Freeman Junction
Comment
JEPS19403
Castilleja densiflora subsp. densiflora
G. Thomas Robbins
1937-4-11
113
San Mateo
above Redwood City
Comment
UC747109
Castilleja exserta
G. Thomas Robbins
1943-4-18
1001
Sacramento
about 15 mi ne Sacramento; Carmichael District
Comment
JEPS14537
Castilleja exserta subsp. exserta
G. Thomas Robbins with Peter H. Raven
1956-4-29
3686
El Dorado
1.2 mi nw Somerset (Youngs) (s-facing slope of canyon of North Fork Cosumnes River)
Comment
JEPS19395
Castilleja exserta subsp. exserta
G. Thomas Robbins
1938-4-15
261
Sonoma
6-7 mi w Santa Rosa (along road to Graton)
Comment
JEPS14535
Castilleja lacera
G. Thomas Robbins with Peter H. Raven
1956-4-29
3682
El Dorado
se edge Placerville; Spanish Ravine
594
Comment
UC907611
Castilleja lacera
G. Thomas Robbins
1945-5-20
1921
El Dorado
3 mi e Rescue (along Placerville-Rescue road)
457
Comment
JEPS16376
Castilleja latifolia
G. Thomas Robbins
1956-12-30
3798
Monterey
near Marina; Monterey Bay, Marina Beach
Comment
CAS-BOT-BC251408
Castilleja lemmonii
G. Thomas Robbins
1944-7-28
1785
El Dorado
Moist meadow on rocky granite slope along Willow Flat Trail, 1/4 mi. w. of Rockbound Pass
2438
Comment
UC907747
Castilleja lemmonii
G. Thomas Robbins
1944-7-28
1785
El Dorado
0.25 mi w Rockbound Pass (along Willow Flat Trail)
2438
Comment
UC907618
Castilleja lineariloba
G. Thomas Robbins
1944-5-15
1603
El Dorado
3 mi e Placerville (near Institute of Forest Genetics)
762
Comment
UCD122590
Castilleja lineariloba
W. W. Robbins
1928-4-29
958
El Dorado
American River.
Comment
RSA32378
Castilleja miniata
G. Thomas Robbins
1944-7-28
1773
El Dorado
Willow Flat Trail at Willow Flat, ca. 3 mi. NE of Wrights Lake.
2287
Comment
JEPS6871
Castilleja nana
G. Thomas Robbins
1954-7-24
3630
Tulare
upper reaches Crabtree Creek; Sequoia National Park
3444
Comment
UC747085
Castilleja nana
G. Thomas Robbins
1944-7-28
1777
El Dorado
2-3 mi ne Wrights Lake (along Willow Flat Trail)
2286
Comment
UC747091
Castilleja nana
G. Thomas Robbins
1943-9-5
1388
El Dorado
near summit of Dicks Pass (below Dicks Peak); Dicks Pass
2895
Comment
UC907745
Castilleja nana
G. Thomas Robbins
1945-8-12
2126
El Dorado
near summit of Freel Peak; Freel Peak
3322
Comment
UC907728
Castilleja parviflora
G. Thomas Robbins
1943-7-25
1302
El Dorado
ca 2 mi nw Echo Lake (at edge of Haypress Meadows); Haypress Meadows
2438
Comment
UC907743
Castilleja parviflora
G. Thomas Robbins
1944-7-28
1796
El Dorado
along shore Lake Lois (Rockbound Valley); Desolation Valley Wilderness Area, Rockbound Valley
2590
Comment
UC907746
Castilleja parviflora
G. Thomas Robbins
1944-7-28
1786
El Dorado
0.25 mi w Rockbound Pass (along Willow Flat Trail)
2438
Comment
RSA102185
Castilleja peirsonii
G. Thomas Robbins
1944-7-28
1796
El Dorado
Along shore of Lake Lois, Rockbound Valley, Desolation Valley Wilderness Area.
2591
Comment
JEPS7055
Castilleja praeterita
G. Thomas Robbins
1954-7-20
3623
Tulare
above Whitney Creek (along John Muir Trail below Timberline Lake and above Crabtree Meadows); Sequoia National Park
3352
Comment
JEPS19385
Castilleja subinclusa subsp. franciscana
G. Thomas Robbins
1938-4-15
256
Sonoma
2.5 mi e Bodega Bay (along road to Bodega)
Comment
OBI9706
Castilleja subinclusa subsp. franciscana
G. Thomas Robbins
1955-6-4
3656
Marin
Bluffs facing the ocean, NW of Rodeo Lagoon
Comment
JEPS16121
Castilleja subinclusa subsp. subinclusa
G. Thomas Robbins, and Rimo Bacigalupi with Lindoln Constance, George Gillett, and L. R. Heckard
1952-4-26
3461
Kern
about 6 mi w Democrat Hot Springs (slope above Kern River); Kern River Canyon
533
Comment
OBI9684
Castilleja subinclusa subsp. subinclusa
G. Thomas Robbins & Rimo Bacigalupi, Rimo Bacigalupi
1952-4-16
3415
San Luis Obispo
1/4 mi W of summit of Cottonwood Pass, near the San Luis Obispo-Kern county line, along state hwy 41
762
Comment
JEPS19386
Castilleja uliginosa
G. Thomas Robbins
1937-6-5
218
Sonoma
about 10 mi w Santa Rosa (marsh on Pitkin Ranch); Vine Hill Region
Comment
CAS-BOT-BC48562
Ceanothus cordulatus
G. Thomas Robbins
1943-6-4
1113
El Dorado
above Silver Fork American River near Sacramento Box Sawmill (China Flat) ca. 2 mi. s. of Kyburz
1371
Comment
SACT002901
Ceanothus cordulatus
G. Robbins
1943-6-4
El Dorado
Low shrub, 2-3 feet high with wide spreading branches. Common on wooded slope above Silver Fork of American River near Sacramento Box Sawmill. 2-3 miles south of Kyburz.
Comment
SBBG71355
Ceanothus cordulatus
J. R. and R. C. Robbins
1932-7-14
Mariposa
Chinquapin to Glacier Point
Comment
UC746925
Ceanothus cordulatus
G. Thomas Robbins
1945-8-5
2089
El Dorado
Rockbound Lake Desolation Valley Wilderness Area, Rockbound Valley
2011
Comment
UC907784
Ceanothus cuneatus
G. Thomas Robbins
1944-4-23
1545
El Dorado
ca 1 mi e Camino (along US Hwy 50)
975
Comment
SBBG71417
Ceanothus cuneatus var. cuneatus
J. R. and R. C. Robbins
1930-3-28
Kern
Kern Cyn
Comment
CAS-BOT-BC49811
Ceanothus diversifolius
G. Thomas Robbins
1943-4-29
1045
El Dorado
Open pine woods along U.S. Highway 50 at C.C.C. Camp Snowline, 3 mi. e. of Camino
1036
Comment
SEINET13945885
Ceanothus foliosus
G. Thomas Robbins
1940-1
302
Sonoma
along Guernerville road, Vine Hill Region, ca 8.5 mi W of Santa Rosa
Comment
JEPS25144
Ceanothus foliosus var. foliosus
G. Thomas Robbins
1959-5-16
4014
Sonoma
Spring Mountain Road, between Calistoga Road and Sonoma-Napa County line Mayacamas Mountains
518
Comment
UC1084442
Ceanothus foliosus var. vineatus
G. Thomas Robbins
1940-3-22
302
Sonoma
ca. 8.5 mi. w. Santa Rosa (along Guerneville rd., Vine Hill region); Vine Hill region
Comment
UC1084483
Ceanothus foliosus var. vineatus
G. Thomas Robbins
1938-4-15
257
Sonoma
along road to Occidental W q Green Valley.
Comment
UC746922
Ceanothus fresnensis
G. Thomas Robbins
1945-8-5
2095
El Dorado
Along Georgetown Road, 4-5 mi E of Wentworth Springs
1981
Comment
UC907782
Ceanothus fresnensis
G. Thomas Robbins
1945-4-22
1843
El Dorado
2-3 mi nw. Shingle Springs
457
Comment
JEPS19405
Ceanothus gloriosus var. exaltatus
G. Thomas Robbins
1940-3-22
300
Sonoma
about 8.5 mi W of Santa Rosa (along Guernville Road)
45
Comment
UC631633
Ceanothus gloriosus var. exaltatus
G. Thomas Robbins
1940-3-22
300
Sonoma
Guerneville road, Vine Hill region, about 8 1/2 miles west of Santa Rosa.
45
Comment
CAS-BOT-BC50116
Ceanothus integerrimus
G. Thomas Robbins
1943-4-30
1059
El Dorado
at Institute of Forest Genetics, 3 mi. E. of Placerville
792
Comment
UC746919
Ceanothus integerrimus
G. Thomas Robbins
1943-7-23
1282
El Dorado
3 mi e. Camino
1036
Comment
CAS-BOT-BC51739
Ceanothus lemmonii
G. Thomas Robbins
1945-4-22
1848
El Dorado
2-3 mi. NW of Shingle Springs
457
Comment
UC746924
Ceanothus lemmonii
G. Thomas Robbins
1945-4-22
1848
El Dorado
2-3 mi nw of Shingle Springs
457
Comment
UC907681
Ceanothus lemmonii
G. Thomas Robbins
1945-4-20
1944
El Dorado
nw of Rescue (along Deer Valley Rd)
304
Comment
UCD112187
Ceanothus lemmonii
W. W. Robbins
1926-4-17
521
Nevada
Grass Valley.
Comment
UCD112188
Ceanothus lemmonii
W. W. Robbins
1926-4-17
525
Nevada
Grass Valley.
Comment
UCSB4003
Ceanothus oliganthus var. sorediatus
Robbins, G.
1937-4-25
Alameda
Just east of Claremont Ave., Berkeley
Comment
UC746923
Ceanothus palmeri
G. Thomas Robbins
1945-5-20
1919
El Dorado
along Placerville-Rescue Road 3 mi e Rescue; along Placerville-Rescue Road
457
Comment
JEPS25143
Ceanothus parryi
G. Thomas Robbins
1959-5-16
4013
Sonoma
on Spring Mtn Road between Calistoga Road and Sonoma-Napa County line (along upper Mark West Creek, Mayacamas Mts.); Mayacamas Mts., along upper Mark West Creek
426
Comment
A425107
Ceanothus prostratus
G. T. Robbins
1945-8-12
2142
Unknown
along road to HIgh Meadow, 6-8 mi. SE of Lake Tahoe
2133
Comment
RSA32351
Ceanothus prostratus
G. Thomas Robbins
1945-7-8
2059
El Dorado
Along Hwy 89 on ridge betw Emerald Bay and Cascade Lake.
1982
Comment
UC746930
Ceanothus prostratus
G. Thomas Robbins
1943-7-23
1281
El Dorado
3 mi e Camino (at C.C.C. Camp Snowline); e of Camino
1036
Comment
SBBG68548
Ceanothus prostratus var. prostratus
J. R. and R. C. Robbins
1932-7-18
El Dorado
W side, Lake Tahoe
Comment
JEPS25256
Ceanothus thyrsiflorus
G. Thomas Robbins with John Weiler
1959-8-7
4141
San Luis Obispo
1.8 mi n Arroyo de la Cruz (w of State Hwy 1, 5.6 mi s of the Monterey Co. line)
Comment
SBBG71399
Ceanothus thyrsiflorus var. griseus
Mrs. J. Robbins
1930-4-12
Santa Barbara
Point Sal
Comment
UC746918
Ceanothus tomentosus
G. Thomas Robbins
1943-4-25
1034
El Dorado
ca 3 mi e Camino (slope above North Fork Webber Creek); above North Fork Webber Creek
914
Comment
UC746920
Ceanothus tomentosus
G. Thomas Robbins
1943-6-29
1240
El Dorado
about 3 mi e Camino (above North Fork Webber Creek); North Fork Webber Creek
914
Comment
A425557
Ceanothus velutinus
G. T. Robbins
1945-7-8
2055
Unknown
rocky slopes above Eagle Lake along Velma Lakes trail, Desolation Valley Wilderness Area
2286
Comment
GH425556
Ceanothus velutinus
G. T. Robbins
1945-7-8
2055
Unknown
rocky slopes above Eagle Lake along Velma Lakes trail, Desolation Valley Wilderness Area
2286
Comment
SEINET195674
Ceanothus velutinus
G. T. Robbins
1945-7-8
2055
El Dorado
Desolation Valley Wilderness Area ; Desolation Valley Wilderness Area;above Eagle Lake along Velma Lakes trail
2286
Comment
UC747321
Ceanothus velutinus
G. Thomas Robbins
1945-7-8
2055
El Dorado
along Velma Lakes trail above Eagle Lake (Desolation Valley Wilderness Area); Desolation Valley Wilderness Area
2286
Comment
JEPS22054
Centaurea calcitrapa
G. Thomas Robbins
1958-6-21
3875
Alameda
parallelling the Eastshore Freeway, between High St. and Hegenberger Rd., Oakland, just w of San Leandro Bay Oakport Rd.; San Leandro Bay
Comment
UCD130008
Centaurea calcitrapa
W. W. Robbins
1931-3-31
2171
Solano
Vallejo.
Comment
CAS-BOT-BC281999
Centaurea calcitrapa
G. Thomas Robbins
1958-6-21
3875
Alameda
Along Oakport Rd, paralleling the Eastshore Freeway, between High St and Hegenberger Rd, Oakland, just W of San Leandro Bay
Comment
UCD130010
Centaurea calcitrapa
W. W. Robbins
1931-7-26
2241
Solano
Near Benicia Reservoir, Benicia.
Comment
UC747606
Centaurium venustum
G. Thomas Robbins
1943-7-15
1267
El Dorado
about 3 mi e Camino (canyon slope above North Fork Webber Creek)
975
Comment
UC1008643
Centaurium venustum
G. Thomas Robbins
1943-6-21
1205
El Dorado
above Smith Flat (w of Institute of Forest Genetics)
822
Comment
UCD81542
Centromadia fitchii
W. W. Robbins; W. D. Norton
1927-10-1
822
Yolo
West of Davis.
Comment
CAS-BOT-BC288562
Centromadia fitchii
G. Thomas Robbins
1956-9-7
3744
El Dorado
Along US Highway 50, 4 miles W of Shingle Springs
350
Comment
JEPS22111
Centromadia parryi subsp. congdonii
G. Thomas Robbins
1958-8-9
3921
Alameda
alkaline flats along Willow Road (about 3/4 mi ne of Plummer Landing, sw of Newark)
Comment
JEPS25089
Centromadia parryi subsp. congdonii
G. Thomas Robbins
1958-10-11
3947
Alameda
low field at edge San Francisco Bay (at w end of West Ave. 135); western San Leandro, Mulford Gardens section
Comment
UCD130155
Centromadia parryi subsp. rudis
W. W. Robbins; W. D. Norton
1927-10-1
833
Yolo
West of Davis.
Comment
JEPS30777
Centunculus minimus
G. Thomas Robbins with J. T. Howell
1945-5-9
1883
Marin
1/2 mi n of Hamilton Field Air Base
Comment
UC746955
Cephalanthera austiniae
G. Thomas Robbins
1943-6-8
1142
El Dorado
ca. 3 mi. e. Camino (N. Fork Webber Creek); N. Fork Webber Creek
914
Comment
UC746962
Cephalanthera austiniae
G. Thomas Robbins
1944-6-29
1746
El Dorado
ca. 3 mi. e. Camino (along bank N. Fork Webber Creek); N. Fork Webber Creek
914
Comment
UC1084416
Cerastium glomeratum
G. Thomas Robbins
1937-4-11
101
San Mateo
near Spring Valley Lakes along rd. to Woodside
Comment
CAS-BOT-BC179511
Cercis occidentalis
G. Thomas Robbins
1945-4-22
1842
El Dorado
2-3 mi NW of Shingle Springs.
457
Comment
SBBG68355
Cercis occidentalis
J. R. and R. C. Robbins
1930-3-28
Kern
S Fork Kern River, 10 mi E of Isabella
Comment
UC746998
Cercocarpus betuloides var. betuloides
G. Thomas Robbins
1944-4-30
1570
El Dorado
3-4 mi ne of Newton (above South Fork Webber Creek)
914
Comment
GH345447
Cercocarpus ledifolius
G. T. Robbins
1945-8-12
2136
Unknown
rocky slope above shore of Star Lake, along trail to Freel Peak
2804
Comment
CAS-BOT-BC135621
Cercocarpus ledifolius var. ledifolius
G. Thomas Robbins
1945-8-12
2136
El Dorado
Rocky slope above shore of Star Lake, along trail to Freel Peak
2804
Comment
JEPS15684
Chaenactis alpigena
G. Thomas Robbins
1956-9-10
3775
Alpine
1 1/2-2 mi airline s of Carson Pass (along trail between Winnemucca Lake and Elephants Back)
2743
Comment
UC747182
Chaenactis douglasii var. alpina
G. Thomas Robbins
1943-9-5
1384
El Dorado
near summit of Dicks Peak
3048
Comment
UC747174
Chaenactis douglasii var. douglasii
G. Thomas Robbins
1943-7-25
1326
El Dorado
1/2 mi s Echo Lake
2194
Comment
UC907771
Chaenactis douglasii var. douglasii
G. Thomas Robbins
1945-7-8
2048
El Dorado
near Al Tahoe (southern shore of Lake Tahoe); Lake Tahoe
1920
Comment
CAS-BOT-BC276519
Chaenactis douglasii var. douglasii
G. Thomas Robbins
1945-7-8
2048
El Dorado
Near Al Tahoe, S shore of Lake Tahoe
1920
Comment
RSA32387
Chaenactis douglasii var. douglasii
G. Thomas Robbins
1943-7-25
1326
El Dorado
Along roadside 0.5 mile south of Echo Lake
2195
Comment
CAS-BOT-BC276862
Chaenactis fremontii
G. T. Robbins; Rimo Bacigalupi
1952-4-16
3418
Kern
Roadcut about 1/4 mile E of Kern - San Luis Obispo county line, along California State Highway 41, in extreme NW corner of Kern County, Cottonwood Pass
548
Comment
JEPS8066
Chaenactis glabriuscula var. glabriuscula
G. Thomas Robbins and Lawrence R. Heckard
1953-5-30
3550
Tulare
10.5 mi se of Three Rivers; South Fork of Kaweah River
908
Comment
CAS-BOT-BC283929
Chaenactis glabriuscula var. glabriuscula
G. Thomas Robbins; Peter H. Raven
1956-4-28
3680
El Dorado
Along Georgetown - Greenwood Rd, 2 miles W of Greenwood, 8.3 miles W of Georgetown
502
Comment
CAS-BOT-BC277633
Chaenactis glabriuscula var. megacephala
G. Thomas Robbins
1945-4-22
1864
El Dorado
Along U. S. Highway 50, 3 miles east of Shingle Springs
457
Comment
SD137003
Chaenactis stevioides
G. Thomas Robbins
1950-4-7
3323
Inyo
Larrea divaricata plain about 5 miles south of Lone Pine
1064
Comment
GH345148
Chamaebatiaria millefolium
G. T. Robbins
1945-10-6
2151
Unknown
Among boulders on NW slope of Crater Lake Mt., Lassen National Forest (T.32N., R.8E.)
1981
Comment
UC747012
Chamaebatiaria millefolium
G. Thomas Robbins
1945-10-6
2151
Lassen
nw slope ofCrater Lake Mountain, Lassen National Forest Crater Lake Mountain; Lassen National Forest, Crater Lake Mountain
1981
Comment
SBBG34250
Chamaecyparis lawsoniana
R. C. and J. R. Robbins
1930-11-26
Del Norte
Smith River Valley
Comment
UC747295
Chamaesyce serpyllifolia
G. Thomas Robbins
1944-6-27
1735
El Dorado
3 mi e Camino (slope above North Fork of Webber Creek)
975
Comment
UCSB4328
Chamerion angustifolium subsp. circumvagum
Robbins, G.
1936-8-1
Humboldt
Roadside between Carlotta and Strongs Station
Comment
JEPS15549
Cheilanthes gracillima
G. Thomas Robbins with L. R. Heckard
1956-7-25
3706
Colusa
due s of Snow Mt East (and skirting e base of ridge forming Snow Mt West)
1981
Comment
UC747645
Cheilanthes gracillima
G. Thomas Robbins
1944-4-23
1546
El Dorado
slope above Slab Creek near its juncture with S Fork American River
609
Comment
UC964853
Cheilanthes gracillima
G. Thomas Robbins
1944-4-23
1546
El Dorado
above Slab Creek near its juncture with S Fork American River
609
Comment
CAS-BOT-BC68289
Cheilanthes gracillima
G. Thomas Robbins
1944-4-23
1546
El Dorado
On slope above Slab Creek near its juncture with South Fork American River
609
Comment
CAS-BOT-BC68290
Cheilanthes gracillima
G. Thomas Robbins
1945-6-17
1995
El Dorado
On slope above Camp Creek near Baltic Peak
1036
Comment
SD189615
Chenopodium californicum
Jolynn Robbins
2006-4-9
42
San Diego
Damon Lane County Park in south El Cajon. N of the intersection of Fury Ln and Wieghorst Way.
68
Comment
UCD98334
Chenopodium murale
G. Thomas Robbins
1959-2-23
3960
Alameda
Vacant lot at west end of San Lorenzo, near western end of Lewelling Blvd.
3
Comment
UC747659
Chimaphila menziesii
G. Thomas Robbins
1945-8-5
2093
El Dorado
near Rubicon Springs
1828
Comment
UC747015
Chlorogalum pomeridianum var. pomeridianum
G. Thomas Robbins
1944-6-29
1745
El Dorado
ca 3 mi e Camino (above North Fork Webber Creek); North Fork Webber Creek
914
Comment
OBI9580
Chloropyron maritimum subsp. palustre
G. Thomas Robbins, S. Galen Smith
1958-7-8
3894
Marin
Salt marsh at NW edge of Schooner Bay. Point Reyes peninsula. 300 yards SW of Sir. Francis Drake Hwy
Comment
JEPS9709
Chorizanthe cuspidata var. cuspidata
G. Thomas Robbins
1955-4-23
3653
San Francisco
below Olympic Golf Club (San Francisco); San Francisco
Comment
SBBG62197
Chorizanthe membranacea
J. R. and R. C. Robbins
1932-6-8
Tulare
Marble Fk River
457
Comment
UC746877
Chorizanthe membranacea
G. Thomas Robbins
1943-6-5
1654
El Dorado
3 mi e Camino (above North Fork Webber Creek); above North Fork Webber Creek
975
Comment
UC746889
Chorizanthe polygonoides var. polygonoides
G. Thomas Robbins
1945-5-18
1914
El Dorado
3 mi e Placerville (at edge Eddy Arboretum, Institute of Forest Genetics); e of Placerville, Institute of Forest Genetics
792
Comment
CAS-BOT-BC247543
Chorizanthe stellulata
G. Thomas Robbins; Lawrence R. Heckard
1953-6-1
3570
Madera
6.7 miles northwest of Coarsegold along road to Raymond
332
Comment
JEPS8285
Chorizanthe stellulata
G. Thomas Robbins, Lawrence R. Heckard
1953-6-1
3570
Madera
6.7 mi nw Coarsegold (along road to Raymond); nw of Coarsegold
332
Comment
A344123
Chrysolepis sempervirens
G. T. Robbins
1943-8-15
1360
Unknown
Along roadside to Wrights Lake, 2-3 mi. n. of U.S. Highway 50
1981
Comment
SBBG61422
Chylismia claviformis
J. R. and R. C. Robbins
1930-3-25
Los Angeles
Mojave Desert
Comment
UCD103869
Chylismia claviformis
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UCD81559
Cichorium intybus
W. W. Robbins; W. D. Norton
1928-8-1
1420
Yolo
near Clarksburg.
Comment
UC747135
Cirsium andersonii
G. Thomas Robbins
1943-9-5
1395
El Dorado
1-2 m nw Glen Alpine Springs; along Taho-Yosemite trail
Comment
UC747190
Cirsium occidentale var. californicum
G. Thomas Robbins
1945-6-17
1991
El Dorado
above Camp Creek (near Baltic Peak)
975
Comment
CAS-BOT-BC280095
Cirsium occidentale var. californicum
G. Thomas Robbins
1945-6-17
1991
El Dorado
Above Camp Creeek, near Baltic Peak
1036
Comment
UC747218
Cirsium scariosum var. americanum
G. Thomas Robbins
1943-9-5
1372
El Dorado
rocky crevices on summit Mt. Tallac
2956
Comment
OBI12140
Clarkia amoena subsp. huntiana
G. Thomas Robbins
1959-5-16
4015
Sonoma
Spring Mtn rd, between Califstoga Rd and Sonoma-Napa county line, Mayacamas Mt
488
Comment
UC747276
Clarkia arcuata
G. Thomas Robbins
1944-5-21
1612
El Dorado
3 mi e Camino; North Fork Webber Creek
975
Comment
CAS-BOT-BC163548
Clarkia arcuata
G. Thomas Robbins
1944-5-21
1612
El Dorado
On canyon side above North Fork Webber Creek, about 3 mi. e. of Camino
Comment
RSA41253
Clarkia biloba subsp. biloba
G. Thomas Robbins
1944-6-9
1669
El Dorado
Slope above U.S. Highway 50, about 3 miles east of Placerville
732
Comment
RSA32307
Clarkia biloba subsp. brandegeeae
G. Thomas Robbins
1943-6-21
1207
El Dorado
West of Institute of Forest Genetics, 3 miles E of Placerville.
732
Comment
JEPS25145
Clarkia gracilis subsp. sonomensis
G. Thomas Robbins
1959-5-16
4015
Sonoma
Spring Mt. Road Mayacamas Mt. (between Calistoga Road and Sonoma-Napa County line)
487
Comment
UC747236
Clarkia heterandra
G. Thomas Robbins
1945-6-17
1987
El Dorado
above Camp Creek near Baltic Peak
Comment
CAS-BOT-BC163678
Clarkia purpurea subsp. quadrivulnera
G. Thomas Robbins
1943-5-28
1096
El Dorado
At western edge of Institute of Forest Genetics, 3 mi. e. of Placerville
762
Comment
UC747272
Clarkia purpurea subsp. quadrivulnera
G. Thomas Robbins
1945-5-20
1932
El Dorado
4-5 mi s Salmon Falls (near Simpsons Ranch); Sweetwater Creek
182
Comment
UC747275
Clarkia purpurea subsp. quadrivulnera
G. Thomas Robbins
1944-5-22
1628
El Dorado
2-3 mi e Placerville (along U. S. Highway 50)
609
Comment
RSA32306
Clarkia purpurea subsp. quadrivulnera
G. Thomas Robbins
1944-5-22
1628
El Dorado
Along U. S. Highway 50, 2-3 miles E of Placerville
610
Comment
RSA41246
Clarkia purpurea subsp. quadrivulnera
G. Thomas Robbins
1943-5-28
1096
El Dorado
Western edge of Institute of Forest Genetics, 3 miles east of Placerville
762
Comment
RSA41251
Clarkia purpurea subsp. quadrivulnera
G. Thomas Robbins
1945-5-20
1632
El Dorado
Sweetwater Creek near Simpson s Ranch, 4-5 miles south of Salmon Falls
183
Comment
RSA41250
Clarkia purpurea subsp. viminea
G. Thomas Robbins
1945-6-5
2970
El Dorado
Hillside above Smithflat
701
Comment
CAS-BOT-BC164789
Clarkia rhomboidea
G. Thomas Robbins
1945-7-15
2061
El Dorado
Along U.S. Highway 50, 3 mi. e. of Camino
1036
Comment
UC747273
Clarkia rhomboidea
G. Thomas Robbins
1945-7-15
2061
El Dorado
3 mi e Camino (along U. S. Highway 50)
1036
Comment
RSA41249
Clarkia rhomboidea
G. Thomas Robbins
1945-7-15
2061
El Dorado
Along U. S. Highway 50, 3 miles east of Camino
1037
Comment
CAS-BOT-BC165416
Clarkia unguiculata
G. Thomas Robbins
1944-6-9
1668
El Dorado
Near Institute of Forest Genetics, 3 mi. e. of Placerville
792
Comment
RSA41254
Clarkia unguiculata
G. Thomas Robbins
1944-6-9
1668
El Dorado
Institute of Forest Genetics, 3 miles east of Placerville
793
Comment
CAS-BOT-BC165726
Clarkia williamsonii
G. Thomas Robbins
1945-6-5
1970
El Dorado
Above [Smithflat] Smith Flat
701
Comment
UC746853
Claytonia parviflora subsp. grandiflora
G. Thomas Robbins
1943-4-10
987
El Dorado
about 3 mi e Camino (slope above North Fork Webber Creek)
975
Comment
UCD100690
Claytonia parviflora subsp. parviflora
W. W. Robbins
1928-4-29
976
Unknown
County Unknown: American River.
Comment
UC747549
Clintonia uniflora
G. Thomas Robbins
1943-6-13
1174
El Dorado
about 1 mi s of Pacific Ranger Station (near Pacific)
1219
Comment
SBBG66388
Collinsia heterophylla
J. R. and R. C. Robbins
1932-6-8
Tulare
Marble Fk River
304
Comment
RSA32407
Collinsia heterophylla
G. Thomas Robbins
1944-5-15
1604
El Dorado
W. of Institute of Forest Genetics, about 3 mi. E. of Placerville.
762
Comment
UC747122
Collinsia heterophylla
G. Thomas Robbins
1944-5-15
1604
El Dorado
about 3 mi e of Placerville (hillside w of Institute of Forest Genetics)
762
Comment
JEPS19379
Collinsia sparsiflora var. arvensis
G. Thomas Robbins
1938-4-15
258
Sonoma
6-7 mi w Santa Rosa (along rd to Graton)
Comment
JEPS16479
Collinsia sparsiflora var. collina
G. Thomas Robbins with Peter H. Raven
1956-4-28
3671
El Dorado
1 mi w of w city limits of Placerville (along U.S. Highway 50); U.S. Highway 50, Hangtown Creek
487
Comment
UC747079
Collinsia sparsiflora var. collina
G. Thomas Robbins
1944-4-30
1574
El Dorado
3 - 4 mi e Newtown (along South Fork Webber Creek); South Fork Webber Creek, e of Newtown
914
Comment
UC747124
Collinsia sparsiflora var. collina
G. Thomas Robbins
1945-4-22
1852
El Dorado
ca 2.5 mi e Shingle Springs
457
Comment
JEPS7778
Collinsia tinctoria
G. Thomas Robbins, Lawrence R. Heckard
1953-5-30
3541
Tulare
ca 7/5 mi n Springville (on rd to Balch Park, ca 0.5 mi e of Milo junction)
609
Comment
UC747084
Collinsia tinctoria
G. Thomas Robbins
1945-6-23
2010
El Dorado
3 mi e of Camino (on canyon slope above North Fork Webber Creek)
975
Comment
UC747092
Collinsia tinctoria
G. Thomas Robbins
1943-5-29
1107
El Dorado
3 mi e of Placerville (at western edge of Institute of Forest Genetics); Institute of Forest Genetics
762
Comment
UC747612
Collomia grandiflora
G. Thomas Robbins
1944-6-27
1740
El Dorado
top ridge above North Fork Webber Creek (about 3 mi e of Camino)
975
Comment
RSA114106
Collomia heterophylla
G. Thomas Robbins
1943-6-20
1189
El Dorado
near head of Long Canyon, 2 to 3 miles west of Pollock Pines below and just south of road to powerhouse
915
Comment
JEPS8072
Comandra umbellata subsp. californica
G. Thomas Robbins, Lawrence R. Heckard
1953-6-1
3562
Fresno
4.8 mi se of Auberry (Bald Mountain); Bald Mountain
914
Comment
SBBG78799
Comarostaphylis diversifolia subsp. planifolia
R. C. and J. R. Robbins
1922-3-28
Santa Barbara
Santa Rosa Island
Comment
SBBG71927
Condea emoryi
R. C. and J. R. Robbins
1933-2-15
Riverside
Tahquitz Cyn
Comment
JEPS25269
Conyza bonariensis
G. Thomas Robbins
1959-8-30
4156
Alameda
vacant lot at the corner of Excelsior Ct. and MacArthur Blvd. (just e of intersection of Lakeshore Ave.); Oakland
7
Comment
UC746953
Corallorhiza maculata
G. Thomas Robbins
1944-7-28
1766
El Dorado
about 1/2 mi s Wrights Lake
2133
Comment
UC746954
Corallorhiza striata
G. Thomas Robbins
1943-6-5
1122
El Dorado
slope above Silver Fork American River (near Sacramento Box Co. sawmill (China Flat), 3-4 mi s of Kyburz)
1371
Comment
JEPS22063
Cordylanthus maritimus subsp. palustris
G. Thomas Robbins with S. Galen Smith
1958-7-8
3894
Marin
Salt marsh at nw edge of Schooner Bay ((an arm of Drakes Estero), Point Reyes Peninsula, about 300 yards sw of Sir Francis Drake Hwy); Point Reyes Pennisula
Comment
JEPS15713
Cordylanthus mollis subsp. hispidus
G. Thomas Robbins with D. M. Post, J. W. Dawson, and P. H. Raven
1954-9-3
3651
Merced
1.7 mi s Ingomar (4.6 mi n of Volta, along Bustine-Volta Rd., fork of San Luis Creek)
27
Comment
OBI9581
Cordylanthus mollis subsp. hispidus
G. Thomas Robbins
1958-8-31
3931
Marin
E. edge of Northwestern Pacific oailroad tracks at the Burdell siding. 0.5 mi E of US hwk 101
Comment
JEPS23257
Cordylanthus mollis subsp. mollis
G. Thomas Robbins
1958-8-31
3931
Marin
tidal channel along e edge of Northwestern Pacific r.r. tracks Burdell siding (about 1/2 mi e of US Hwy 101)
Comment
JEPS24327
Cordylanthus pilosus subsp. hansenii
G. Thomas Robbins with Robert Ornduff and Howard Whisler
1959-10-26
4174
Tuolumne
just e Italian Bar crossing (above South Fork of Stanislaus River); South Fork Stanislaus River
518
Comment
UC907672
Cordylanthus tenuis subsp. tenuis
G. Thomas Robbins
1943-8-21
1365
El Dorado
3 mi e Placerville; Eddy Arboretum, Institute of Forest Genetics
822
Comment
JEPS8064
Coreopsis bigelovii
G. Thomas Robbins and Lawrence R. Heckard
1953-5-30
3547
Tulare
open flat above w shore of n fork of Kaweah River (3 mi n of Three Rivers)
297
Comment
JEPS5585
Coreopsis calliopsidea
G. Thomas Robbins and Rimo Bacigalupi
1952-4-19
3435
San Bernardino
along US Highway 466 about halfway between Barstow and Kramer
Comment
JEPS22067
Corethrogyne filaginifolia
G. Thomas Robbins with S. Galen Smith
1958-7-8
3891
Marin
along Bear Valley Road about 1 3/4 mi NW of Olema
Comment
JEPS25260
Corethrogyne filaginifolia
G. Thomas Robbins with John Weiler
1959-8-8
4146
San Luis Obispo
about 1 1/2 mi se Oso Flaco Lake
15
Comment
OBI16670
Corethrogyne filaginifolia
G. Thomas Robbins, S. Galen Smith
1958-7-8
3891
Marin
Along Bear Valley Rd, 1-3/4 mi NW of Olema
Comment
SBBG60529
Corethrogyne filaginifolia
R. C. and J. R. Robbins
1920-10-21
Santa Barbara
Hot Springs Ave; Santa Barbara
Comment
CAS-BOT-BC211997
Cornus nuttallii
G. Thomas Robbins
1943-4-24
1027
El Dorado
Ca. 3 mi. e. of Camino
975
Comment
CAS-BOT-BC212137
Cornus sericea
G. Thomas Robbins
1944-6-11
1679
El Dorado
Shore of South fork American River at Riverton
975
Comment
UC747224
Cornus sericea subsp. sericea
G. Thomas Robbins
1944-6-11
1679
El Dorado
S. Fork American R. at Riverton; S. Fork American R.
975
Comment
UC747225
Cornus sericea subsp. sericea
G. Thomas Robbins
1944-7-28
1765
El Dorado
ca. 1/2 mi. s. Wright's Lake (N. Fork of S. Fork Silver Creek); N. Fork of S. Fork Silver Creek
2133
Comment
UC747223
Cornus sessilis
G. Thomas Robbins
1943-3-28
974
El Dorado
along Mace Rd. ca. 5 mi. n.e. Camino
914
Comment
GH385585
Cornus stolonifera
G. T. Robbins
1944-6-11
1679
Unknown
shore of South Fork American River at Riverton
975
Comment
JEPS22048
Coronopus didymus
G. Thomas Robbins
1958-6-22
3879
Alameda
between the bay and Oakport Road (at e edge of San Leandro Bay, Oakland, Oakport Rd. paralleling the Eastshore Freeway); San Leandro Bay, Oakland
Comment
SD165340
Cortaderia selloana
Jolynn Robbins, Joe Barth
2004-8-2
26
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
UC746855
Corylus californica
G. Thomas Robbins
1943-6-20
1196
El Dorado
4-5 mi NW of Pollock Pines (along road to powerhouse); South Fork American River
914
Comment
JEPS15561
Crepis monticola
G. Thomas Robbins with L. R. Heckard
1956-7-25
3719
Colusa
Snow Mt. West; summit, Lake-Colusa Co. boundary
2145
Comment
CAS-BOT-BC376538
Crepis monticola
G. Thomas Robbins; L. R. Heckard
1956-7-25
3719
Unknown
On summit of Snow Mt. West, Lake - Colusa County boundary
2145
Comment
CAS-BOT-BC290916
Crepis vesicaria
G. Thomas Robbins
1958-4-23
3820
Alameda
On south side of Clarewood Drive, about .25 mile above its junction with Broadway Terrace, Oakland
106
Comment
CAS-BOT-BC290917
Crepis vesicaria
G. Thomas Robbins
1956-5-14
3692
Alameda
Vacant lot along Liggett Drive, just east of Piedmont, Oakland
Comment
CAS-BOT-BC290919
Crepis vesicaria
G. Thomas Robbins
1958-4-23
3820
Alameda
On south side of Clarewood Drive, about .25 mile above its junction with Broadway Terrace, Oakland
106
Comment
OBI16622
Crepis vesicaria subsp. taraxacifolia
G. Thomas Robbins
1958-4-23
3820
Alameda
S side of Clarewood Dr, about .25 mi above its jctn with Broadway Terr, Oakland
107
Comment
UCD130986
Crepis vesicaria subsp. taraxacifolia
G. Thomas Robbins
1958-4-23
3820
Alameda
south side of Clarewood Drive, about 0.25 mile above its junction with Broadway Terrace, Oakland.
106
Comment
JEPS25010
Cressa truxillensis
G. Thomas Robbins
1958-9-1
3936
Alameda
just n. East Creek Slough (at n.e. edge of San Leandro Bay, along Oakport Rd. (which parallels Eastshore Freeway on the s.), Oakland); Oakland, San Leandro Bay
Comment
SD185657
Croton setiger
Jolynn Robbins
2006-9-4
53
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
JEPS25271
Crypsis schoenoides
G. Thomas Robbins
1959-9-6
4158
Alameda
Alameda Creek; creek bed at the Valle Vista Bridge on west Alquire Road, 1.6 mi sw of Mission Blvd. (State Hwy 9)
Comment
JEPS25262
Cryptantha clevelandii
G. Thomas Robbins with John Weiler
1959-8-8
4149
San Luis Obispo
about 1.5 mi se Oso Flaco Lake
15
Comment
UC907717
Cryptantha flaccida
G. Thomas Robbins
1945-6-23
2012
El Dorado
about 3 mi e Camino; North Fork Webber Creek
975
Comment
UC907689
Cryptantha intermedia
G. Thomas Robbins
1945-6-23
2009
El Dorado
3 mi e Camino (slope above North Fork Webber Creek)
975
Comment
UC907716
Cryptantha intermedia
G. Thomas Robbins
1945-6-3
1967
El Dorado
1.5 mi ne Pollock Pines
1158
Comment
RSA77976
Cryptantha intermedia
G. Thomas Robbins
1945-6-23
2009
El Dorado
North Fork Webber Creek, about 3 miles east of Camino.
976
Comment
UC981781
Cryptantha micrantha
G. Thomas Robbins
1950-4-2
3306 b
Kern
near and s of Freeman Junction (plain along U.S. Highway 6, w Mohave Desert); Mohave Desert
1005
Comment
UC747563
Cryptantha simulans
G. Thomas Robbins
1943-6-17
1184
El Dorado
about 3 mi e Camino (along U.S. Highway 50)
1036
Comment
UC907714
Cryptantha simulans
G. Thomas Robbins
1944-6-3
1645
El Dorado
3 mi e Camino (at C.C.C. Camp Snowline)
1036
Comment
UC747646
Cryptogramma acrostichoides
G. Thomas Robbins
1943-7-25
1293
El Dorado
above small lake on slopes e and above Medley Lake (Reservoir); Desolation Valley Wilderness Area
2590
Comment
UC964822
Cryptogramma acrostichoides
G. Thomas Robbins
1943-7-25
1293
El Dorado
small lake on slopes e and above Medley Lakes (Reservoir); Desolation Valley Wilderness Area
2590
Comment
UC964852
Cryptogramma acrostichoides
G. Thomas Robbins
1943-6-27
1219
El Dorado
ridge above Echo Summit Pass (3/4 mi sw of US Hwy 50)
2438
Comment
UCD126287
Cuscuta denticulata
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
POM196055
Cuscuta indecora
L. F. Robbins
1926-6-9
s.n.
Sacramento
Near Sacramento, California.
Comment
SD187861
Cuscuta subinclusa
Jolynn Robbins
2004-8-23
33
San Diego
Damon Lane County Park in south El Cajon. N of the intersection of Fury Ln and Wieghorst Way.
68
Comment
JEPS15571
Cycladenia humilis var. humilis
G. Thomas Robbins with L. R. Heckard
1956-7-25
3711
Colusa
s. flank of Snow Mt. East (at lower edge of cirque between Snow Mt. West and Snow Mt. East, slope above Dark Hollow Creek (tributary of Middle Fork Stony Creek))
1981
Comment
OBI9022
Cyclospermum leptophyllum
G. Thomas Robbins
1959-8-30
4152
Alameda
At corner of Excelsior Ct and MacArthur Blvd (just E of intersection of Lakeshore Ave) Oakland
8
Comment
RSA152179
Cyclospermum leptophyllum
G. Thomas Robbins
1959-8-30
4152
Alameda
Vacant lot at corner of Excelsior Ct. and MacArther Blvd. (just east of intersection of Lakeshore Ave.)
8
Comment
UC747592
Cynoglossum grande
G. Thomas Robbins
1943-3-19
964
El Dorado
3 mi. e. Placerville (near Institute of Forest Genetics)
762
Comment
SEINET202643
Cynoglossum occidentale
G. T. Robbins, R Bacigalupi
1955-6-7
5266
Lake
Timberline Camp at jct of Boardman Ridge and Hull Mtn
1737
Comment
JEPS25284
Cyperus bipartitus
G. Thomas Robbins with Robert Ornduff and Howard Whisler
1959-10-26
4175 -A
Tuolumne
ca. 1/2 mi. upstream from Italian Bar crossing S. Fork Stanislaus R.
518
Comment
SD165351
Cyperus eragrostis
Jolynn Robbins, Joe Barth
2004-8-2
28
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
UC1057482
Cyperus eragrostis
G. Thomas Robbins
1937-6-18
248
Sonoma
Santa Rosa, Santa Rosa Creek
Comment
JEPS25285
Cyperus strigosus
G. Thomas Robbins with Robert Ornduff and Howard Whisler
1959-10-26
4175 -B
Tuolumne
S. Fork Stanislaus R. ca. 1/2 mi. upstream from Italian Bar crossing; S. Fork Stanislaus R.
518
Comment
UC747648
Cystopteris fragilis
G. Thomas Robbins
1944-6-7
1658
El Dorado
ca. 3 mi e Camino (along N Fork Webber Creek)
914
Comment
UC964820
Cystopteris fragilis
G. Thomas Robbins
1944-6-7
1658
El Dorado
ca. 3 mi e Camino (along N Fork Webber Creek)
914
Comment
CAS-BOT-BC68006
Cystopteris fragilis
G. Thomas Robbins
1945-6-9
1975
El Dorado
Wooded canyon slope above North Fork Webber Creek, ca. 3 mi. e. of Camino.
975
Comment
UCD105694
Dalea mollis
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UCD105698
Dalea mollissima
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
RSA353641
Damasonium californicum
L. F. Robbins
1928-5-18
s.n.
Yolo
The Causeway.
Comment
UC907663
Danthonia californica
G. Thomas Robbins with J. T. Howell
1945-5-9
1893
Marin
1/2 mi n Hamilton Field Air Base
Comment
UCD60521
Danthonia californica
G. Thomas Robbins
1958-5-10
3828
Alameda
Along Redwood Road, about 1/2 mile E and above its junction with Mountain Boulevard, Oakland hills.
167
Comment
UC907650
Danthonia californica var. americana
G. Thomas Robbins with J. T. Howell
1945-5-9
1900
Marin
along US Hwy 101 near Hamilton Field Air Base
Comment
UC747344
Darmera peltata
G. Thomas Robbins
1943-5-23
1085
El Dorado
North Fork Webber Creek, 3 mi E of Camino.
914
Comment
JEPS16141
Deinandra increscens subsp. increscens
G. Thomas Robbins with John Weiler
1959-8-7
4139
San Luis Obispo
1.8 mi n Arroyo de la Cruz (w of State Highway 1, 5.6 mi s of Monterey County line)
Comment Read comments Sep 10 2011
CAS-BOT-BC299988
Deinandra kelloggii
G. Thomas Robbins; Lawrence R. Heckard
1953-5-30
3538
Tulare
On road to Balch Park about one-fourth mile east of Milo junction and 7.5 miles north of Springville
609
Comment
SBBG71754
Delphinium depauperatum
J. R. and R. C. Robbins
1932-7-16
Tuolumne
Tioga Pass Rd
Comment
RSA32371
Delphinium glaucum
G. Thomas Robbins
1943-9-5
1390
El Dorado
Del Dorado County: below Dicks Pass, near Dicks Peak, along Tahoe Yosemite trail. alt 9000ft
2744
Comment
UC747442
Delphinium gracilentum
G. Thomas Robbins
1943-5-8
1077
El Dorado
along US Hwy 50 3 mi e Camino
1036
Comment
UC747447
Delphinium gracilentum
G. Thomas Robbins
1944-4-23
1566
El Dorado
along Chute Camp Rd near Iowa Creek (about 1/2 mi s of South Fork American River)
762
Comment
JEPS5062
Delphinium gypsophilum subsp. gypsophilum
G. T. Robbins and R. Bacigalupi
1952-4-20
3444
Kern
Rolling hills, 3.3 miles SW of Taft, along US No. 399
Comment
JEPS8287
Delphinium hansenii
G. Thomas Robbins and Lawrence L. Heckard
1953-6-1
3567
Fresno
2.5 mi se Auberry (wooded slope); Bald Mountain
786
Comment
CAS-BOT-BC8744
Delphinium hansenii
G. T. Robbins
1943-6-8
1140
El Dorado
at western edge of Institute of Forest Genetics, 3 mi. E of Placerville
731
Comment
UC747415
Delphinium hansenii subsp. hansenii
G. Thomas Robbins
1943-6-8
1140
El Dorado
western edge of Institute of Forest Genetics, 3 mi E of Placerville
731
Comment
UC747444
Delphinium nudicaule
G. Thomas Robbins
1944-4-14
1522
Marin
n slope of ridge about 3 mi w Hamilton Field Air Base; Big Rock Ridge
60
Comment
UC747412
Delphinium nuttallianum
G. Thomas Robbins
1945-7-1
2034
El Dorado
rock slopes along Twin Lakes trail ca 3/4 mi ne Wrights Lake (9 mi n of US Hwy 50)
2194
Comment
UC747417
Delphinium nuttallianum
G. Thomas Robbins
1943-7-25
1314
El Dorado
North of Upper Echo Lake, along Desolation Valley Trail
2286
Comment
RSA32303
Delphinium patens
G. Thomas Robbins
1944-4-23
1566
El Dorado
Live oak woodland along Chute Camp Road near Iowa Creek, 1/2 mile S of S Fork American River
Comment
RSA32304
Delphinium patens
G. Thomas Robbins
1944-5-12
1595
El Dorado
3 miles E of Placerville.
762
Comment
RSA32305
Delphinium patens
G. Thomas Robbins
1945-7-1
2034
El Dorado
Along Twin Lakes trail 3/4 miles NE of Wrights Lake, 9 mile N of Hwy 50, alt 7200ft. El Dorado County
2195
Comment
UC747421
Delphinium patens
G. Thomas Robbins
1944-5-12
1595
El Dorado
wooded hillside w Institute of Forest Genetics (about 3 mi e of Placerville)
762
Comment
JEPS5060
Delphinium recurvatum
G. T. Robbins and R. Bacigalupi
1952-4-16
3420
Kern
Tupman; w edge of town
Comment
JEPS5064
Delphinium recurvatum
G. T. Robbins and Rimo Bacigalupi
1952-4-19
3440
Kern
along US Hwy 466 10 mi w Kramer
Comment
UC907670
Delphinium variegatum subsp. variegatum
G. Thomas Robbins
1944-5-22
1626
El Dorado
slopes along Hwy 50 2 1/2 mi e Placerville
762
Comment
UC907626
Deschampsia danthonioides
G. Thomas Robbins
1945-6-17
2000
El Dorado
5 mi. s. Pollock Pines (Sly Park meadow)
1005
Comment
UC907627
Deschampsia danthonioides
G. Thomas Robbins
1944-7-6
1752
El Dorado
5 mi. s. Pollock Pines (Sly Park meadow)
1005
Comment
UCD114793
Descurainia sophia
Robbins; Raynor
1943-6-1
s.n.
Modoc
near Likely.
Comment
JEPS8070
Dicentra chrysantha
G. Thomas Robbins and Lawrence R. Heckard
1953-5-31
3556
Tulare
0.6 mi sw Badger (along State Highway 65)
914
Comment
UC747399
Dicentra formosa
G. Thomas Robbins
1943-4-25
1031
El Dorado
ca 3 mi e Camino (along bank of North Fork of Webber Creek); North Fork of Webber Creek
914
Comment
CAS-BOT-BC402364
Dicentra formosa subsp. formosa
G. Thomas Robbins
1943-4-25
1031
El Dorado
Along bank of North Fork Webber Creek, ca. 3 mi. e. of Camino
914
Comment
UC1084355
Dichelostemma capitatum
G. Thomas Robbins
1937-3-25
13
Sonoma
8-10 mi e Santa Rosa; Santa Rosa Creek Canyon
Comment
UC747537
Dichelostemma multiflorum
G. Thomas Robbins
1943-6-10
1158
El Dorado
3 mi e Camino (at C.C.C. Camp Snowline)
1036
Comment
SBBG57644
Dichelostemma volubile
J. R. and R. C. Robbins
1932-6-8
Tulare
Sequoia Nat Park
Comment
UC747509
Dichelostemma volubile
G. Thomas Robbins
1943-5-24
1087
El Dorado
3 mi e Placerville (at Institute of Forest Genetics)
822
Comment
CAS-BOT-BC503129
Dichelostemma volubile
G. Thomas Robbins
1943-5-24
1087
El Dorado
Dry, grassy hillside in pine plantation at Institute of Forest Genetics, 3 mi. e. of Placerville.
822
Comment
SBBG60672
Dieteria canescens
J. R. and R. C. Robbins
1932-7-17
Tuolumne
Tioga Pass Rd
2438
Comment
CAS-BOT-BC153766
Diplacus angustatus
G. Thomas Robbins
1945-6-17
2003
El Dorado
Sly Park Meadow
975
Comment
CAS-BOT-BC150280
Diplacus aurantiacus
G. Thomas Robbins
1945-5-20
1936
El Dorado
Above Sweetwater Creek, 3-4 mi. s. of Salmon Falls
182
Comment
SBBG66793
Diplacus aurantiacus
J. R. and R. C. Robbins
1932-8-29
San Luis Obispo
near Cambria
Comment
CAS-BOT-BC152248
Diplacus bolanderi
G. Thomas Robbins; Lawrence R. Heckard
1953-5-30
3544
Tulare
Along road to Balch Park, about one-fourth mile east of Milo junction and 7.5 miles north of Springville
548
Comment
CAS-BOT-BC152249
Diplacus bolanderi
G. Thomas Robbins; Lawrence R. Heckard
1953-5-30
3544
Tulare
Along road to Balch Park, about one-fourth mile east of Milo junction and 7.5 miles north of Springville
548
Comment
SEINET195149
Diplacus kelloggii
G. Thomas Robbins
1945-1
1839
El Dorado
Above Smithflat, 2.5 mi E of Placerville
762
Comment
SBBG66709
Diplacus leptaleus
J. R. and R. C. Robbins
1932-7-16
Tuolumne
Tioga Pass Rd
Comment
CAS-BOT-BC153667
Diplacus mephiticus
G. Thomas Robbins
1944-6-18
1732
El Dorado
Along Capps Crossing Road 1/2 mi. n. of Capps Crossing
1524
Comment
CAS-BOT-BC151616
Diplacus torreyi
G. Thomas Robbins
1943-7-6
1249
El Dorado
C.C.C. Camp Snowline, 3 mi. e. of Camino
1036
Comment
SEINET195640
Diplacus torreyi
G. Thomas Robbins
1945-1
2060
El Dorado
Along St Hwy 89 near Fallen Leaf Lake
1920
Comment
UC747014
Disporum hookeri
G. Thomas Robbins
1944-4-14
1519
Marin
about 3 mi w of Hamilton Field Air Base (on n slope of Big Rock Ridge); Big Rock Ridge
91
Comment
UC747536
Disporum hookeri
G. Thomas Robbins
1943-6-4
1114
El Dorado
2-3 mi s of Kyburz (above Silver Fork American River near Sacramento Box Sawmill (China Flat))
1371
Comment
UCD142315
Ditaxis serrata
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
SBBG72431
Dithyrea californica
R. C. and J. R. Robbins
1933-2-17
Riverside
20 mi S of Indio
Comment
UCD114730
Dithyrea californica
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
CAS-BOT-BC136244
Dodecatheon alpinum
G. Thomas Robbins
1943-6-27
1229
El Dorado
Wet, grassy meadow along U.S. Highway 50 just e. of Echo Summit Pass
2225
Comment
SEINET195489
Dodecatheon clevelandii var. patulum
G. Thomas Robbins
1945-4-22
1866
El Dorado
1-2 miles W of Placerville, near Hangtown Creek.
579
Comment
UC747622
Dodecatheon hendersonii
G. Thomas Robbins
1943-4-10
985
El Dorado
3 mi e Camino; canyon slope North Fork Webber Creek, e of Camino
975
Comment
SBBG58462
Dodecatheon jeffreyi
J. R. and R. C. Robbins
1932-7-14
Mariposa
Chinquapin to Glacier Point
Comment
JEPS14472
Downingia cuspidata
G. Thomas Robbins with Peter H. Raven
1956-4-28
3669
Sacramento
about 2 mi w El Dorado County line (along U.S. Highway 50, foothills of the Sierra Nevada); Sierra Nevada
60
Comment
UC907742
Draba oligosperma var. oligosperma
G. Thomas Robbins
1945-8-12
2125
El Dorado
near summit Freel Peak; near summit Freel Peak
3322
Comment
UC698012
Draperia systyla
G. Thomas Robbins
1943-6-20
1201
El Dorado
4-5 mi W Pollock Pines (north-facing canyon wall of South Fork American River); South Fork American River
914
Comment
UC700285
Draperia systyla
G. Thomas Robbins
1945-6-17
1997
El Dorado
Camp Creek near Baltic Peak
975
Comment
CAS-BOT-BC401530
Drosera rotundifolia
G. Thomas Robbins
1945-8-6
2100
El Dorado
In Long Meadow near Schlien Ranger Station
1676
Comment
SEINET6425015
Drosera rotundifolia
G. Thomas Robbins
1945-1
2100
El Dorado
Long Meadow near Schlien Ranger Station
1676
Comment
UC747404
Drosera rotundifolia
G. Thomas Robbins
1945-8-6
2100
El Dorado
near Schlien Ranger Station; Long Meadow
1676
Comment
SBBG72483
Drymocallis hansenii
J. R. and R. C. Robbins
1932-7-16
Tuolumne
Tioga Pass Rd
Comment
UC907625
Drymocallis lactea
G. Thomas Robbins
1943-7-25
1308
El Dorado
above Tamarack Lake (along trail to Desolation Valley); above Tamarack Lake, along trail to Desolation Valley
2286
Comment
UC747402
Dudleya cymosa
G. Thomas Robbins
1944-5-28
1640
El Dorado
1 to 2 mi confluence of Long Creek and South Fork American River (above Long Creek)
Comment
CAS-BOT-BC428081
Dudleya cymosa subsp. cymosa
G. Thomas Robbins
1945-6-17
1984
El Dorado
Above Camp Creek, near Baltic Peak
1036
Comment
JEPS25137
Dudleya farinosa
G. Thomas Robbins
1959-5-16
4007
Contra Costa
just s Pt. San Pablo (Potrero Hills); Richmond
Comment
SD51677
Dudleya farinosa
G. Thomas Robbins
1959-5-16
4007
Contra Costa
Rocky hillside just south of Pt. San Pablo, Potrero Hills, Richmond.
Comment
UCD98785
Dysphania chilensis
W. W. Robbins; Mr. Norton
1930-9-30
s.n.
Sacramento
Sacramento.
Comment
UC907664
Eleocharis bella
G. Thomas Robbins
1944-7-6
1758
El Dorado
5 mi S of Pollock Pines (Sly Park)
975
Comment
CAS-BOT-BC113564
Eleocharis bolanderi
Guy Thomas Robbins
1945-6-23
2004
El Dorado
Canyon slope above North Fork Webber Creek ca. 3 mi E of Camino.
975
Comment
UC907704
Eleocharis bolanderi
G. Thomas Robbins
1945-6-23
2004
El Dorado
3 mi E of Camino (canyon slope above North Fork Webber Creek)
975
Comment
UC1100709
Eleocharis pachycarpa
G. Thomas Robbins and S. Galen Smith
1949-10-23
1898
El Dorado
5 mi N of Coloma (on Georgetown road)
Comment
JEPS7980
Eleocharis quinqueflora
G. Thomas Robbins, Peter H. Raven
1954-7-21
3625
Tulare
Crabtree Creek,upper reaches Sequoia National Park
3200
Comment
UC907632
Elymus glaucus
G. Thomas Robbins
1944-6-15
1693
El Dorado
3 mi e Camino; C.C.C. Camp Snowline
1036
Comment
UC907636
Elymus glaucus
G. Thomas Robbins
1943-6-10
1148
El Dorado
slope above North Fork Webber Creek (about 3 mi e of Camino)
975
Comment
SEINET210031
Elymus multisetus
G. T. Robbins
1944-6-16
1697
El Dorado
Institute of Forest Genetics 3 miles east of Placerville
823
Comment
UC907657
Elymus multisetus
G. Thomas Robbins
1944-6-16
1697
El Dorado
3 mi e Placerville (pine plantation); Institute of Forest Genetics
822
Comment
UCD119219
Emmenanthe penduliflora
W. W. Robbins
1930-12-24
s.n.
San Diego
S.E. part of county. Desert.
Comment
SBBG60960
Encelia farinosa
R. C. and J. R. Robbins
1933-2-15
Riverside
foot of Palms to Pines Hwy, ca. 11 mi SW of Palm Springs
Comment
CAS-BOT-BC409898
Enemion occidentale
G. Thomas Robbins
1944-3-19
1486
El Dorado
South Fork American River canyon, 5-6 mi. N of Camino
762
Comment
JEPS25011
Epilobium brachycarpum
G. Thomas Robbins
1958-9-1
3937
Alameda
vacant lot at w end of street Berkeley, Hopkins Street
Comment
OBI12057
Epilobium brachycarpum
G. Thomas Robbins
1958-9-1
3937
Alameda
Vacant lot a W end of Hopkins St, Berkley
Comment
UCD105396
Epilobium brachycarpum
G. Thomas Robbins
1958-9-1
3937
Alameda
West end of Hopkins Street, Berkeley.
167
Comment
JEPS25006
Epilobium canum subsp. canum
G. Thomas Robbins
1958-9-1
3932
Alameda
on slope above Tunnel Road (w of Charing Cross Rd.); Oakland Hills
243
Comment
SBBG60119
Epilobium canum subsp. canum
J. R. and R. C. Robbins
1932-8-19
San Luis Obispo
near Cambria
Comment
SEINET195498
Epilobium canum subsp. latifolium
G. Thomas Robbins
1943-8-15
1361
El Dorado
Along roadside to Wrights Lake 2-3 mi N of US Hwy. 50
1981
Comment
UC747281
Epilobium canum subsp. latifolium
G. Thomas Robbins
1943-8-15
1361
El Dorado
2-3 mi n U.S. Highway 50 (along roadside to Wrights Lake)
1981
Comment
JEPS25076
Epilobium cleistogamum
G. Thomas Robbins with S. Galen Smith
1959-1-4
3958
Solano
field just n U.S. Highway 40 (about 1/2 mi e of Winters road junction, about 2 1/2 mi ne of Vacaville); Sacramento Valley
27
Comment
UC747232
Epilobium densiflorum
G. Thomas Robbins
1943-7-15
1268
El Dorado
canyon slope above North Fork Webber Creek (about 3 mi e of Camino)
975
Comment
UC747235
Epilobium densiflorum
G. Thomas Robbins
1944-7-6
1750
El Dorado
5 mi s Pollock Pines; Sly Park
1005
Comment
UC747274
Epilobium densiflorum
G. Thomas Robbins
1944-8-15
1828
El Dorado
along US Hwy 50 3 mi e Placerville (bed of small stream from spring)
670
Comment
UC747270
Epilobium foliosum
G. Thomas Robbins
1945-6-17
1988
El Dorado
slope above Camp Creek (near Baltic Peak)
975
Comment
UC747277
Epilobium torreyi
G. Thomas Robbins
1944-6-9
1667
El Dorado
3 mi e Placerville (near Institute of Forest Genetics)
792
Comment
UC964832
Epipactis gigantea
G. Thomas Robbins
1950-5-14
3355
Monterey
along State Hwy 1 between Lucia and Big Sur (about 5 mi s of Hunter Light)
152
Comment
UC747642
Equisetum hyemale subsp. affine
G. Thomas Robbins
1944-6-17
1698
El Dorado
ca. 1 mi e Pyramid Ranger Station
1676
Comment
UCD135440
Equisetum hyemale subsp. affine
W. W. Robbins
1928-4-29
943
Unknown
American River.
Comment
UC1084510
Equisetum laevigatum
G. Thomas Robbins
1937-6-18
249
Sonoma
along R.R. right-of-way Santa Rosa
Comment
UCD62959
Eragrostis cilianensis
W. W. Robbins
1943-8-1
Yolo
Lowe Ranch north of Woodland.
Comment
UCD63822
Eragrostis mexicana subsp. virescens
W. W. Robbins; Gramineae
1943-8-1
s.n.
Yolo
Lowe Ranch N. of Woodland.
Comment
JEPS7472
Eremalche parryi
G. Thomas Robbins and Rimo Bacigalupi
1952-4-20
3445
Kern
1.3 mi. w. of junction with U.S. Hwy. 399 on rd. to Elkhorn Plain; watershed of Bitterwater Creek
426
Comment
RSA152174
Eremalche parryi
G. Thomas Robbins, R. C. Bacigalupi
1952-4-20
3445
Kern
Slopes of Hills in watershed of Bitterwater Creek on road to Elkhorn Plain, 1.3 miles west of junction with U.S. Highway 399
427
Comment
UC747310
Eremocarpus setiger
G. Thomas Robbins
1943-7-15
1266
El Dorado
flat above North Fork Webber Creek (about 3 mi e of Camino)
975
Comment
CAS-BOT-BC512632
Eriastrum abramsii
Lynn Robbins
1953-6-14
s.n.
Santa Clara
Monte Bello Ridge, in roadway to mansion about 1/4 mi from house
Comment
A387302
Ericameria bloomeri
G. T. Robbins
1945-10-7
2153
Unknown
SE slope of Harvey Mt., 2-3 mi. NE of Burgess Spring, Harvey Valley (T.33N., R.9E), Lassen National Forest
1828
Comment
GH387301
Ericameria bloomeri
G. T. Robbins
1945-10-7
2153
Unknown
SE slope of Harvey Mt., 2-3 mi. NE of Burgess Spring, Harvey Valley (T.33N., R.9E), Lassen National Forest
1828
Comment
SEINET195638
Ericameria bloomeri
G. Thomas Robbins
1945-8-12
2145
El Dorado
Along road to High Meadow 6-8 miles southeast of Lake Tahoe
2134
Comment
CAS-BOT-BC286824
Ericameria discoidea
G. Thomas Robbins
1943-9-5
1378
El Dorado
Summit of Mt. Tallac
2956
Comment
JEPS16381
Ericameria ericoides
G. Thomas Robbins
1956-12-30
3800
Monterey
near Marina; Monterey Bay, Marina Beach
Comment
JEPS15687
Ericameria suffruticosa
G. Thomas Robbins
1956-9-10
3770
Alpine
along trail to Round Top and Elephants Back between Woods Lake and Winnemucca Lake (about 2 mi airline s of Carson Pass)
2621
Comment
CAS-BOT-BC294543
Erigeron breweri var. breweri
G. Thomas Robbins
1943-7-25
1327
El Dorado
Ca. 1/2 mi. s. of Echo Lake
2194
Comment
UC747160
Erigeron breweri var. breweri
G. Thomas Robbins
1943-7-25
1327
El Dorado
alongside road ca. 0.5 mi s of Echo Lake
2194
Comment
CAS-BOT-BC300646
Erigeron foliosus var. hartwegii
G. Thomas Robbins
1945-5-20
1937
El Dorado
Above Sweetwater Creek
182
Comment
UC747189
Erigeron glacialis var. glacialis
G. Thomas Robbins
1944-7-29
1800
El Dorado
on ridge s of and above Lake Schmidell; Desolation Valley Wilderness Area
2590
Comment
SBBG63287
Erigeron philadelphicus
J. R. and R. C. Robbins
1932-7-18
El Dorado
W shore, Lake Tahoe
Comment
SBBG63320
Erigeron philadelphicus
J. R. and R. C. Robbins
1932-7-24
Humboldt
S of Scotia
Comment
UC907759
Erigeron philadelphicus var. philadelphicus
G. Thomas Robbins
1945-5-20
1922
El Dorado
3 mi e Rescue (Placerville-Rescue road); Dry Creek
457
Comment
UCD132042
Erigeron philadelphicus var. philadelphicus
Robbins; Raynor
1943-6-1
s.n.
Plumas
Belden.
Comment
CAS-BOT-BC224232
Eriodictyon californicum
G. Thomas Robbins
1943-5-5
1070
El Dorado
At western edge of Institute of Forest Genetics, 3 mi. e. of Placerville
762
Comment
UC747589
Eriodictyon californicum
G. Thomas Robbins
1943-5-5
1070
El Dorado
at western edge Institute of Forest Genetics (3 mi e of Placerville); western edge of Institute of Forest Genetics
762
Comment
SBBG65102
Eriodictyon lobbii
J. R. and R. C. Robbins
1932-7-18
El Dorado
W side, Lake Tahoe
Comment
SD165152
Eriogonum fasciculatum var. foliolosum
Jolynn Robbins
2004-7-5
19
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
UCD100275
Eriogonum inflatum
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UC1084471
Eriogonum latifolium
G. Thomas Robbins
1937-6-6
236
Sonoma
along roadside near Bodega Bay
Comment
CAS-BOT-BC270985
Eriogonum nervulosum
G. Thomas Robbins; L. R. Heckard
1956-7-25
3723
Lake
Southern extension of Snow Mt. West and about one-fourth mile south of its summit
2103
Comment
UC746888
Eriogonum nudum var. deductum
G. Thomas Robbins
1945-8-5
2091
El Dorado
slope above n shore of Rockbound Lake; Desolation Wilderness Area, Rockbound Valley
2011
Comment
UCD100553
Eriogonum nudum var. oblongifolium
Robbins; Raynor
1943-6-1
s.n.
Plumas
Near Quincy.
Comment
UC746876
Eriogonum roseum
G. Thomas Robbins
1944-9-24
1831
El Dorado
ca. 3 mi e Camino (on canyon side above North Fork Webber Creek); North Fork Webber Creek
975
Comment
UC746890
Eriogonum spergulinum var. reddingianum
G. Thomas Robbins
1945-7-8
2043
El Dorado
near Al Tahoe; Lake Tahoe
1920
Comment
GH364584
Eriogonum umbellatum var. nevadense
G. T. Robbins
1945-7-8
2046
Unknown
near Al Tahoe, Lake Tahoe
1920
Comment
UC746875
Eriogonum umbellatum var. nevadense
G. Thomas Robbins
1945-7-8
2046
El Dorado
near Al Tahoe; Lake Tahoe
1920
Comment
UC746897
Eriogonum umbellatum var. nevadense
G. Thomas Robbins
1943-7-25
1298
El Dorado
near Le Conte Lake (above e shore of Medley Lakes (reservoir)); Desolation Valley Wilderness Area
2438
Comment
CAS-BOT-BC261813
Eriogonum wrightii var. subscaposum
G. Thomas Robbins
1956-9-9
3761
Alpine
Lower, southerly slopes of Red Lake Peak, above State Highway 88, 1/2 to 3/4 of a mile due west of Carson Pass
2682
Comment
JEPS15696
Eriogonum wrightii var. subscaposum
G. Thomas Robbins
1956-9-9
3761
Alpine
1/2 to 3/4 mi due w, above State Highway 88, lower slopes of Red Lake Peak Carson Pass; Red Lake Peak
2651
Comment
RSA32379
Eriogonum wrightii var. subscaposum
G. Thomas Robbins
1945-8-12
2143
El Dorado
Forming caespitose cushions. Jeffrey Pine White Fir woods along roas to Hight Meadow, 6-8 mi. SE. of Lake Tahoe.
2134
Comment
UC746892
Eriogonum wrightii var. subscaposum
G. Thomas Robbins
1945-8-12
2143
El Dorado
6-8 mi se Lake Tahoe (along road to High Meadow)
2133
Comment
UC972350
Eriophorum crinigerum
G. Thomas Robbins
1951-7-26
3394
Fresno
meadow at edge of Laurel Creek (w. of Second Recess and Mono Creek); Laurel Creek basin
3108
Comment
SEINET9157589
Eriophorum crinigerum
G. T. Robbins
1951-7-26
3394
Fresno
laurel Creek, Laurel Creek basin, west of Second Recess and Mono Creek
3719
Comment
SD185506
Eriophyllum confertiflorum var. confertiflorum
Jolynn Robbins
2006-4-9
43
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
CAS-BOT-BC301323
Eriophyllum lanatum var. croceum
G. Thomas Robbins
1943-6-17
1186
El Dorado
Along U. S. Highway 50, about 3 mi. e. of Camino
1036
Comment
UC747194
Eriophyllum lanatum var. croceum
G. Thomas Robbins
1943-6-17
1186
El Dorado
3 mi e Camino (along U.S. Highway 50)
1036
Comment
GH427016
Eriophyllum lanatum var. grandiflorum
G. T. Robbins
1943-5-24
1086
Unknown
Institute of Forest Genetics, 3 miles east of Placerville
822
Comment
JEPS15700
Eriophyllum lanatum var. integrifolium
G. Thomas Robbins
1956-9-9
3756
Alpine
lower, s slopes of Red Lake Peak (above State Highway 88, 0.5 to 0.75 mi due west of Carson Pass)
2651
Comment
UC747297
Erodium cicutarium
G. Thomas Robbins
1944-5-21
1624
El Dorado
2 mi e Camino (along U.S. Highway 50)
975
Comment
UCD136713
Eryngium oblanceolatum
Robbins; Norton
Date Unknown
826
Yolo
West of Davis.
Comment
GH379364
Erysimum capitatum
G. T. Robbins
1945-7-8
203 B
Unknown
near Al Tahoe, Lake Tahoe
1920
Comment
UC747369
Erysimum capitatum
G. Thomas Robbins
1943-6-4
1116
El Dorado
slope above Silver Fork American River (near Sacramento Box. Co. Sawmill (China Flat), 3-4 mi s of Kyburz)
1371
Comment
CAS-BOT-BC41533
Erysimum capitatum
G. Thomas Robbins
1943-6-4
1116
El Dorado
On slope above Silver Fork American River near Sacramento Box Company sawmill. (China Flat) 3-4 miles south of Kyburz.
1371
Comment
RSA32403
Erysimum capitatum var. perenne
G. Thomas Robbins
1943-7-25
1285
El Dorado
Above Lake Le Conte E of Medley Lakes, Desolation Valley Wilderness Area.
2591
Comment
UC747407
Erysimum perenne
G. Thomas Robbins
1945-7-8
2038
El Dorado
near Al Tahoe; Lake Tahoe
1920
Comment
UC907688
Erysimum perenne
G. Thomas Robbins
1945-8-12
2122
El Dorado
rocky slopes near summit; Freel Peak
3322
Comment
SEINET195477
Erythranthe lewisii
G. Thomas Robbins
1943-1
1325
El Dorado
Above south shore of Echo Lake.
2195
Comment
SEINET195632
Erythranthe lewisii
G. Thomas Robbins
1945-1
2133
El Dorado
Outlet of streamlet of Star Lake; along trail to Freel Peak.
2804
Comment
UC747525
Erythronium multiscapideum
G. Thomas Robbins
1945-5-22
1865
El Dorado
1-2 mi w Placerville (near Hangtown Creek)
579
Comment
UCD139645
Erythronium multiscapideum
W. W. Robbins
1926-4-17
541
Lassen
Grass Valley.
Comment
RSA32297
Eschscholzia caespitosa subsp. caespitosa
G. Thomas Robbins
1944-4-23
1559
El Dorado
Along Chute Camp Road above Iowa Creek, ca. 4 miles NW of Camino
762
Comment
CAS-BOT-BC403000
Eschscholzia californica
G. Thomas Robbins
1944-5-21
1625
El Dorado
Along U. S. Highway 50, about 2 mi. e. of Camino
975
Comment
SBBG70136
Eschscholzia californica
J. R. and R. C. Robbins
1930-3-28
Kern
Kern Valley
Comment
CAS-BOT-BC419455
Eschscholzia lobbii
G. Thomas Robbins
1945-4-22
1853
El Dorado
About 2 1/2 mi. e. of Shingle Springs
457
Comment
POM183203
Eschscholzia lobbii
L. F. Robbins
1927-3-10
s.n.
Sacramento
Del Paso
Comment
CAS-BOT-BC312046
Eucephalus breweri
G. Thomas Robbins
1943-8-15
1352
El Dorado
Along trail to Grouse Lake ca. 2 mi. ne. of Wrights Lake
2438
Comment
UC747177
Eucephalus breweri
G. Thomas Robbins
1943-8-15
1352
El Dorado
2 mi ne, along trail to Grouse Lake Wright's Lake
2438
Comment
SD165223
Euphorbia polycarpa
Jolynn Robbins
2004-7-5
20
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
UCD142730
Euphorbia polycarpa
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UCD142858
Euphorbia setiloba
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UC747307
Euphorbia spathulata
G. Thomas Robbins
1944-5-22
1630
El Dorado
2-3 mi e Placerville (along U.S. Hwy 50)
609
Comment
UC907788
Eurybia integrifolia
G. Thomas Robbins
1945-8-4
2078
El Dorado
near Onion Flat; Desolation Valley Wilderness Area, Rockbound Valley
2133
Comment
OBI15449
Euthamia occidentalis
G. Thomas Robbins
1958-9-1
3935
Alameda
Along and near the mouth of Cordonices Crk, Albany-Berkeley city boundary
Comment
UCD107164
Fagonia laevis
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UC747004
Fragaria vesca
G. Thomas Robbins
1944-5-16
1609
El Dorado
about 3 mi e Camino (along bank of North Fork Webber Creek); North Fork Webber Creek
914
Comment
CAS-BOT-BC437048
Fragaria vesca subsp. bracteata
G. Thomas Robbins
1944-5-16
1609
El Dorado
North Fork Webber Creek about 3 miles east of Camino
914
Comment
SBBG72484
Fragaria virginiana
J. R. and R. C. Robbins
1932-7-16
Tuolumne
Tioga Pass Rd
Comment
UCD112555
Frangula californica
Robbins; Raynor
1943-6-1
s.n.
Plumas
near Belden, Feather River Canyon.
Comment
GH378160
Frangula rubra subsp. obtusissima
G. T. Robbins
1945-8-5
2082
Unknown
along north shore of Rockbound Lake, Rockbound Valley, Desolation Valley Wilderness Area
2011
Comment
CAS-BOT-BC55748
Frangula rubra subsp. rubra
G. Thomas Robbins
1943-6-6
1133
El Dorado
along Mace Road, 3-4 mi. ne. of Camino
914
Comment
JEPS25153
Frankenia salina
G. Thomas Robbins with John Weiler
1959-5-23
4023
Contra Costa
nw extension Brooks Island (on breakwater (partly natural, partly man-made)); San Francisco Bay, Richmond
Comment
SBBG72753
Frankenia salina
R. C. and J. R. Robbins
1920-10-31
Santa Barbara
Carpinteria
Comment
UC747573
Fraxinus latifolia
G. Thomas Robbins
1945-5-20
1938
El Dorado
3-4 mi s Salmon Falls (along Sweetwater Creek); Sweetwater Creek
182
Comment
UC1057446
Fritillaria liliacea
G. Thomas Robbins
1937-4-11
88
San Mateo
near Spring Valley Lakes (on road to Woodside)
Comment
UC747535
Fritillaria micrantha
G. Thomas Robbins
1943-4-13
991
El Dorado
above Smith Flat (at w edge of Institute of Forest Genetics); Institute of Forest Genetics
792
Comment
GH385635
Galium aparine
G. T. Robbins
1944-6-3
1647
Unknown
C.C.C. Camp Snowline, three miles east of Camino
1036
Comment
JEPS15231
Galium grayanum var. nanum
G. Thomas Robbins with L. R. Heckard
1956-7-25
3720
Colusa
summit Snow Mt. West (Lake-Colusa Co. boundary)
2145
Comment
UC747059
Galium parisiense
G. Thomas Robbins
1944-6-9
1664
El Dorado
ridge near Institute of Forest Genetics (about 3 mi e of Placerville)
792
Comment
GH417025
Galium parisiense
G. T. Robbins
1944-6-9
1664
Unknown
near Institute of Forest Genetics
792
Comment
JEPS19406
Galium porrigens var. porrigens
G. Thomas Robbins
1940-3-24
306
Sonoma
about 6 mi e Santa Rosa (Calistoga Rd); Rincon Grade
167
Comment
JEPS19407
Galium porrigens var. porrigens
G. Thomas Robbins
1937-4-17
116
Contra Costa
near Point Richmond
Comment
JEPS7843
Galium stellatum var. eremicum
G. T. Robbins with R. Bacigalupi, George Gillett, Lincoln Constance, L. R. Heckard
1952-5-1
3501
Inyo
Titus Canyon Death Valley National Monument, Grapevine Mtns. (toward base of e-facing cliffside)
1371
Comment
UC747237
Garrya congdonii
G. Thomas Robbins
1945-5-20
1927
El Dorado
near Simpsons Ranch (above bank of Sweetwater Creek)
182
Comment
UC747229
Garrya elliptica
G. Thomas Robbins with J. T. Howell
1944-4-13
1498
Marin
about 4 mi w Hamilton Field Air Base (on Big Rock Ridge); Big Rock Ridge
396
Comment
GH401761
Garrya flavescens subsp. congdonii
G. T. Robbins
1945-5-20
1927
Unknown
above bank of Sweetwater Creek near Simpsons Ranch (T. 10N., R. 8E., Sec. 13)
182
Comment
CAS-BOT-BC192119
Garrya fremontii
G. Thomas Robbins
1944-3-19
1488
El Dorado
South-facing slope of South Fork American River canyon. 5-6 mi. n. of Camino
762
Comment
UC747230
Garrya fremontii
G. Thomas Robbins
1944-3-19
1488
El Dorado
5-6 mi n Camino (South Fork American River canyon)
762
Comment
UC907630
Gastridium ventricosum
G. Thomas Robbins
1945-6-1
1965
El Dorado
3 mi e Placerville (Institute of Forest Genetics, Eddy Arboretum); Institute of Forest Genetics, Eddy Arboretum
822
Comment
UC747234
Gayophytum eriospermum
G. Thomas Robbins
1943-7-18
1274
El Dorado
along Pleasant Valley road 5 mi s Pollock Pines; Sly Park meadow
1005
Comment
UC747628
Gentiana calycosa
G. Thomas Robbins
1943-9-5
1392
El Dorado
wet grassy meadow n and below Dicks Pass; Tahoe-Yosemite trail
2743
Comment
RSA32385
Gentiana calycosa
G. Thomas Robbins
1943-9-5
1392
El Dorado
North and below Dicks Pass, Tahoe-Yosemite trail.
2744
Comment
RSA98558
Gentiana sceptrum
G. Thomas Robbins
1938-6-23
268
Sonoma
On Pitkin Ranch, Vine Hill region, ca. ten miles west of Santa Rosa.
Comment
SBBG60586
Geraea canescens
R. C. and J. R. Robbins
1933-2-15
Riverside
near foot of Palms to Pines Hwy, ca. 11 mi SW of Palm Springs
Comment
UCD132592
Geraea canescens
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UC907674
Geranium dissectum
G. Thomas Robbins
1945-4-22
1854
El Dorado
2.5 mi e Shingle Springs
457
Comment
UC1057453
Geranium dissectum
G. Thomas Robbins
1937-4-25
142
Contra Costa
e of La Vista
Comment
UCSB3542
Geranium dissectum
Robbins, G.
1937-5-16
Alameda
Berkeley Hills
Comment
UC747296
Geranium richardsonii
G. Thomas Robbins
1943-7-25
1336
El Dorado
near Echo Lake Road (along U.S. Highway 50)
2194
Comment
UC747302
Geranium richardsonii
G. Thomas Robbins
1944-6-17
1705
El Dorado
ca 1 mi e Pyramid Ranger Station
1676
Comment
UC747303
Geranium richardsonii
G. Thomas Robbins
1945-8-6
2107
El Dorado
near Schlien Ranger Station; Long Meadow
1676
Comment
UC746976
Geum macrophyllum
G. Thomas Robbins
1944-6-17
1704
El Dorado
1 mi e of Pyramid Ranger Station
1676
Comment
RSA46767
Geum macrophyllum
G. Thomas Robbins
1944-6-17
1704
El Dorado
Along small stream in open pine woods, 1 ile E of Pyramid Ranger Station.
1677
Comment
UC964825
Gilia achilleifolia subsp. achilleifolia
G. Thomas Robbins
1950-4-23
3341
Santa Clara
2.5-3 mi ne Coyote (foothills of Mount Hamilton Range); Mount Hamilton Range
365
Comment
SD45390
Gilia cana subsp. speciosa
G. Thomas Robbins
1950-4-2
3309
Kern
Red Rock Canyon near The Temple, ca. 1.0 mile south of Ricardo.
762
Comment
UC964827
Gilia cana subsp. speciosa
G. Thomas Robbins
1950-4-2
3309
Kern
about 1 mi s Ricardo (Red Rock Canyon near The Temple); Red Rock Canyon near The Temple, s of Ricardo
762
Comment
UC964830
Gilia capitata subsp. abrotanifolia
G. Thomas Robbins
1950-4-2
3297
Kern
about 1 mi n and e Isabella (above Kern River); , n and e of Isabella
762
Comment
RSA84901
Gilia capitata subsp. mediomontana
G. Thomas Robbins
1943-5-25
1089
El Dorado
El Dorado County: Institute of Forest Genetics, 3 miles E of Placerville.
823
Comment
UCSB5023
Gilia clivorum
Robbins, G.
1937-4-4
Alameda
Berkeley Hills
Comment
JEPS7460
Gilia latiflora subsp. davyi
G. Thomas Robbins, Rimo Bacigalupi
1952-4-19
3438
San Bernardino
Desert flats 5 mi e Kramer; Mohave Desert, e of Kramer
731
Comment
JEPS8026
Gilia latifolia
G. Thomas Robbins with L. Constance and G. W. Gillett
1952-4-27
3470
San Bernardino
s base Mt. Pisgah Crater (about 2 mi s of U.S. Highway 66, Mohave Desert); Mohave Desert, s base of Mt. Pisgah Crater
Comment
JEPS7464
Gilia minor
G. Thomas Robbins, Rimo Bacigalupi
1952-4-19
3442
Kern
on road to Kramer five mi e Mojave (Mohave Desert); , e of Mojave on road to Kramer
792
Comment
SD45391
Gilia sinuata
G. Thomas Robbins
1950-4-7
3326
Inyo
Dry wash near pictured rocks, ca. 0.5 mile north and east of Little Lake.
914
Comment
UC964826
Gilia sinuata
G. Thomas Robbins
1950-4-7
3326
Inyo
about 0.5 mi n and e Little Lake; n and e of Little Lake
914
Comment
JEPS7799
Gilia stellata
G. Thomas Robbins
1952-4-29
3474
San Bernardino
on first ridge n Mitchell Ranch (Mitchell's Caverns, e Mohave Desert); eastern Mohave Desert, Providence Mountains
Comment
JEPS7448
Gilia subacaulis
G. Thomas Robbins, Rimo Bacigalupi
1952-4-19
3429
San Bernardino
along U.S. Highway 91 about 5 mi e Cronese ((Cronese Valley), Mohave Desert); Mohave Desert, e of Cronese (Cronese Valley)
457
Comment
RSA114107
Gilia tricolor
G. Thomas Robbins
1944-4-24
1568
El Dorado
SW of Institute of Forest Genetics, 3 miles east of Placerville
762
Comment
UC747608
Gilia tricolor subsp. diffusa
G. Thomas Robbins
1944-4-24
1568
El Dorado
about 3 mi e Placerville (on rocky ridge sw of Institute of Forest Genetics); e of Placerville, sw of Institute of Forest Genetics
762
Comment
CAS-BOT-BC266565
Githopsis pulchella
G. Thomas Robbins
1944-5-21
1622
El Dorado
Above N Fork Webber Creek near Eight Mile House, about 2 miles E of Camino
914
Comment
SEINET8733897
Githopsis pulchella
G. Thomas Robbins
1945-1
1930
El Dorado
above Sweetwater Creek near Simpsons Ranch (T. 10N., R. 8E., Sec. 13), 4-5 miles south of Salmon Falls
183
Comment
UC747028
Githopsis pulchella subsp. pulchella
G. Thomas Robbins
1943-6-5
1128
El Dorado
about 3 mi e Camino (slopes above North Fork Webber Creek)
1036
Comment
UC747047
Githopsis pulchella subsp. pulchella
G. Thomas Robbins
1944-5-12
1597
El Dorado
about 3 mi e Placerville (w of Institute of Forest Genetics)
762
Comment
UC747046
Githopsis specularioides
G. Thomas Robbins
1943-4-18
1011
Sacramento
about 15 mi ne Sacramento; Carmichael District
Comment
SEINET10464601
Githopsis specularioides
Robbins
1943-4-18
ROBBINS 1011
Sacramento
Carmichael district, about 15 miles northeast of Sacramento
Comment
SEINET8733896
Githopsis specularioides
G. Thomas Robbins
1944-1
1622
El Dorado
above North Fork Webber Creek near Eight Mile House, about two miles east of Camino
914
Comment
JEPS21988
Glebionis segetum
G. Thomas Robbins
1958-4-27
3822
Alameda
Berkeley Aquatic Park Berkeley (above e shore)
1
Comment
SEINET3821487
Glebionis segetum
G. Thomas Robbins
1958-4-27
3822
Alameda
In low, grassy sites among willows above the eastern shore of Berkeley Aquatic Park, Berkeley
2
Comment
UCD132392
Glebionis segetum
G. Thomas Robbins
1958-4-27
3822
Alameda
above the eastern shore of Berkeley Aquatic Park, Berkeley.
1
Comment
JEPS8283
Gnaphalium palustre
G. Thomas Robbins and Lawrence R. Heckard
1953-6-1
3573
Madera
at margins of vernal pool in open woodland 1.9 mi s of Raymond
213
Comment
UC746952
Goodyera oblongifolia
G. Thomas Robbins
1945-9-1
2147
El Dorado
about 2 mi e of Camino
975
Comment
JEPS14533
Gratiola ebracteata
G. Thomas Robbins with Peter H. Raven
1956-4-28
3670
Sacramento
along U.S. Highway 50 about 2 mi w El Dorado County line; rolling foothills of Sierra Nevada
60
Comment
UC747058
Gratiola ebracteata
G. Thomas Robbins
1945-5-27
1961
El Dorado
about 1/2 mi n Pleasant Valley; n of Pleasant Valley
762
Comment
UCD81558
Grindelia camporum
W. W. Robbins; W. D. Norton
1927-10-1
s.n.
Yolo
West of Davis.
Comment
OBI19342
Grindelia camporum
G. Thomas Robbins
1959-7-24
4113
Alameda
Vacant lot just N of the intersection of Harrison and 9th Sts, just S of Codornices Crk, Berkley
11
Comment
JEPS19011
Grindelia hirsutula
G. Thomas Robbins
1957-9-15
3805
Alameda
on roadside berm along Broadway about one-half mi w Lake Temescal; Oakland
60
Comment
JEPS22045
Grindelia hirsutula
G. Thomas Robbins
1958-6-25
3882
Marin
about 1 mi n of Rodeo Lagoon; Fort Cronkhite Military Reservation
167
Comment
JEPS22053
Grindelia hirsutula
G. Thomas Robbins
1958-6-22
3876
Alameda
just n of junction with Skyline blvd. (along Joaquin Miller Road); Oakland
Comment
JEPS25012
Grindelia hirsutula
G. Thomas Robbins
1958-9-20
3938
Alameda
about 0.5 e Toll Plaza (San Francisco-Oakland Bay Bridge, along the shore of San Francisco Bay); San Francisco Bay
Comment
JEPS25080
Grindelia hirsutula
G. Thomas Robbins
1958-10-25
3955
Alameda
along US Hwy 50 (Foothill Blvd.) about 1/2 mi s Estudillo Ave. junction; San Leandro
Comment
JEPS25135
Grindelia hirsutula
G. Thomas Robbins
1959-4-26
4003
Contra Costa
s of Castro Point (just n of Richmond-San Rafael Bridge, above shore of San Francisco Bay, dry slopes of Potrero Hills); Potrero Hills, Richmond
Comment
JEPS8227
Grindelia hirsutula
G. Thomas Robbins with D. M. Post, J. W. Dawson, and P. H. Raven
1954-9-3
3647
Stanislaus
plains along Vernalis-Modesto road (Maze Road) 1.8 mi e bridge crossing San Joaquin River (5.4 mi e of Vernalis)
7
Comment
JEPS89200
Grindelia hirsutula
G. Thomas Robbins
1958-10-2
3941
Contra Costa
borders of tidal slough along Southern Pacific R.R. just w Carlson Blvd. (near Stege railroad siding); Richmond
Comment
OBI16367
Grindelia hirsutula
G. Thomas Robbins
1958-6-25
3882
Marin
Fort Cronkite Military Reservation ,about 1 mi N of Rodeo Lagoon
168
Comment
UC1599360
Grindelia hirsutula
G. Thomas Robbins
1958-10-4
3945
Alameda
beach at edge San Francisco Bay (near w end of Williams St.); San Leandro
Comment
UC747157
Grindelia hirsutula
G. Thomas Robbins with J. T. Howell
1945-5-9
1901
Marin
near Hamilton Field Air Base
0
Comment
UC747196
Grindelia hirsutula
G. Thomas Robbins
1943-7-10
1259
El Dorado
3 mi e of Placerville (in grassy places in Eddy Arboretum at Institute of Forest Genetics); Eddy Arboretum
822
Comment
SEINET3139220
Grindelia hirsutula
G. Thomas Robbins
1958-9-20
3938
Alameda
Along the shorte of San Francisco Bay, about 1/2 mi. E of the Toll Plaza, San Francisco-Oakland Bay Bridge, Oakland
Comment
SEINET195483
Grindelia hirsutula var. davyi
G. T. Robbins
1943-7-10
1259
El Dorado
Eddy Arboretum at Institute of Forest Genetics 3 miles E of Placerville
823
Comment
SEINET195657
Grindelia hirsutula var. hirsutula
G. T. Robbins, JT Howell
1945-5-9
1901
Marin
Hamilton Field Air Base
Comment
OBI16401
Grindelia stricta var. angustifolia
G. Thomas Robbins
1958-9-20
3938
Alameda
San Francisco bay, about 1/2 mi E of the Toll Plaza, San Francisco-Oakland Bay bridge, Oakland
Comment
UCD132568
Grindelia stricta var. angustifolia
G. Thomas Robbins
1959-7-24
4113
Alameda
vacant lot just north of the intersection of Harrison and 9th Streets, just south of Codornices Creek, Berkeley.
10
Comment
RSA152121
Grindelia stricta var. platyphylla
G. Thomas Robbins
1955-6-4
3657
Marin
NW of Rodeo Lagoon.
Comment
UC1057468
Guillenia lasiophylla
G. Thomas Robbins
1940-3-16
277
Alameda
about 1 mi w Corral Hollow (along road to Tracy)
381
Comment
UC1084429
Guillenia lasiophylla
G. Thomas Robbins
1940-3-16
280
Alameda
near Alameda-San Joaquin County line; Corral Hollow
259
Comment
SD165289
Gutierrezia californica
Jolynn Robbins
2004-7-5
16
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha, right on Fury. Then right on Wieghorst, left on Calle Albara.
68
Comment
UC747572
Hackelia micrantha
G. Thomas Robbins
1944-7-28
1788
El Dorado
1/4 mi w of Rockbound Pass (along Willow Flat Trail); Desolation Valley Wilderness Area
2438
Comment
UC907690
Hackelia micrantha
G. Thomas Robbins
1945-7-8
2052
El Dorado
above Eagle Lake (along Velma Lakes Trail); Desolation Valley Wilderness Area
2438
Comment
JEPS7984
Hackelia sharsmithii
G. Thomas Robbins, Peter H. Raven
1954-7-19
3620
Inyo
s shore of Consultation Lake; Lone Pine Canyon
3590
Comment
UC747562
Hackelia velutina
G. Thomas Robbins
1943-7-25
1330
El Dorado
about 1 mi s of Echo Lake (along roadside)
2194
Comment
RSA32386
Hackelia velutina
G. Thomas Robbins
1943-7-25
1330
El Dorado
Shady Red Fir woods along roadside about 1 mi. S of Echo Lake
2195
Comment
SD185517
Hazardia squarrosa var. grindelioides
Jolynn Robbins
2004-8-23
32
San Diego
Damon Lane County Park in south El Cajon. N of the intersection of Fury Ln and Wieghorst Way.
68
Comment
CAS-BOT-BC302437
Hazardia whitneyi var. discoidea
G. Thomas Robbins; L. R. Heckard
1956-7-25
3728
Unknown
On ridge forming southern extension of Snow Mt. West and about one-fourth mile south of its summit, Lake - Colusa County Boundary
2103
Comment
CAS-BOT-BC306565
Helenium bigelovii
G. Thomas Robbins
1945-8-6
2108
El Dorado
In Long Meadow near Schlien Ranger Station
1676
Comment
JEPS22068
Helenium puberulum
G. Thomas Robbins
1958-7-19
3901
Contra Costa
about one-half mi e Point San Pablo (meadow overlooking Pt. San Pablo); Richmond
Comment
JEPS25146
Helianthella californica subsp. californica
G. Thomas Robbins
1959-5-16
4016
Sonoma
Spring Mtn. Road between Calistoga Road and Sonoma-Napa County line; Mayacamas Mts.
304
Comment
UC747149
Helianthella californica subsp. nevadensis
G. Thomas Robbins
1943-4-28
1042
El Dorado
3 mi s Placerville (grassy places in Eddy Arboretum, Institute or Forest Genetics)
822
Comment
SD135123
Helianthus gracilentus
Marya Robbins
1992-5-5
San Diego
Camp Pendleton, Yankee 2 training area. Level bottom of valley between San Mateo and Jardine Canyons
Comment
UC1084508
Heliotropium curassavicum
G. Thomas Robbins
1940-5-19
330
Contra Costa
roadside between Antioch and Rio Vista Rio Vista
Comment
UC747588
Heliotropium curassavicum
G. Thomas Robbins with J. T. Howell
1945-5-9
1892
Marin
1/2 mi. n. Igancio (on R.R. tracks)
Comment
JEPS22105
Heliotropium curassavicum
G. Thomas Robbins
1958-7-26
3915
Alameda
just s.e. Berkeley Aquatic Park (and just e. of KRE radio transmission station, bed of Southern Pacific R.R. tracks); Berkeley
Comment
SD185542
Helminthotheca echioides
Jolynn Robbins
2006-9-4
59
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
UC907609
Hemizonella minima
G. Thomas Robbins
1944-4-30
1573
El Dorado
3 to 4 mi ne Newtown (nw and above South Fork of Webber Creek)
762
Comment
CAS-BOT-BC310044
Hemizonella minima
G. Thomas Robbins
1943-6-13
1161
El Dorado
Along Park Creek road, w. of its junction with the Plum Creek and Hazel Valley roads
1219
Comment
UC747163
Hemizonella minima
G. Thomas Robbins
1943-6-13
1161
El Dorado
w of junction with the Plum Creek and Hazel Valley roads (along Park Creek road)
1219
Comment
UC907780
Hemizonia congesta subsp. congesta
G. Thomas Robbins with J. T. Howell
1945-5-9
1898
Marin
1/2 mi n Hamilton Field Air Base
Comment
SBBG61009
Hemizonia congesta subsp. luzulifolia
R. C. Robbins, J. R. Robbins
1932-8-29
San Luis Obispo
between Cayucos and San Simeon
Comment
UCD133008
Hemizonia congesta subsp. luzulifolia
Robbins; Norton
1927-10-1
828
Unknown
County Unknown: Exact location unknown.
Comment
RSA152183
Hemizonia kelloggii
G. Thomas Robbins, L. R. Heckard
1953-5-30
3538
Tulare
On road to Balch Park, about 0.25 mile E of Milo junction and 7.5 miles N of Springville.
610
Comment
UC1084378
Heracleum lanatum
G. Thomas Robbins
1937-4-11
75
San Mateo
along Skyline Blvd. s. of San Francisco
Comment
UC747314
Hesperolinon micranthum
G. Thomas Robbins
1943-6-22
1210
El Dorado
3 mi e Placerville (near Institute of Forest Genetics)
762
Comment
UC1057467
Heterodraba unilateralis
G. Thomas Robbins
1940-3-16
276
Alameda
about 1 mi w of Corral Hollow (along road to Tracy)
381
Comment
CAS-BOT-BC143602
Heteromeles arbutifolia
G. Thomas Robbins
1943-6-29
1236
El Dorado
At Institute of Forest Genetics, 3 mi. e. of Placerville
822
Comment
SD165137
Heteromeles arbutifolia
Jolynn Robbins
2004-7-5
14
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha, right on Fury. Then right on Wieghorst, left on Calle Albara.
68
Comment
UC746970
Heteromeles arbutifolia
G. Thomas Robbins
1943-6-29
1236
El Dorado
3 mi e Placerville (Institute of Forest Genetics)
822
Comment
JEPS22046
Heterotheca sessiliflora subsp. bolanderi
G. Thomas Robbins
1958-6-25
3881
Marin
about 1 mi n Rodeo Lagoon; Fort Cronkhite Military Reservation
167
Comment
JEPS16139
Heterotheca sessiliflora subsp. echioides
G. Thomas Robbins with John Dawson and Bob Ornduff
1956-10-6
3791
Monterey
along roadside between Jamesburg and Tassajara Hot Springs near entrance to U.S. Forest Service China Camp Ground; Santa Lucia Range
1310
Comment
SBBG78097
Heuchera maxima
R. C. and J. R. Robbins
1921-3-28
Santa Barbara
Santa Cruz Island
Comment
SEINET195476
Heuchera micrantha
G. T. Robbins
1945-6-17
1980
El Dorado
Along Camp Creek near Baltic Peak
975
Comment
SJSU5778
Heuchera micrantha
J. A. Robbins
1970-5-17
100
Santa Clara
Sanborn Rd, 1 mi S of intersection with Big Basin Way c. 4 mi SW of Saratoga
Comment
CAS-BOT-BC420465
Heuchera micrantha var. erubescens
G. Thomas Robbins
1945-7-16
2067
El Dorado
N Fork Webber Creek, 3 mi. E of Camino
914
Comment
RSA0062969
Heuchera micrantha var. erubescens
G. Thomas Robbins
1945-6-17
1980
El Dorado
Along Camp Creek, near Baltic Peak.
976
Comment
RSA0066223
Heuchera rubescens var. alpicola
G. Thomas Robbins
1945-7-8
2057
El Dorado
Along Velma Lakes trail near Eagle Creek. 1-2 miles W of Emerald Bay.
2134
Comment
UC747339
Heuchera rubescens var. glandulosa
G. Thomas Robbins
1945-7-8
2057
El Dorado
1-2 mi w Emerald Bay (along Velma Lakes trail near Eagle Creek)
2133
Comment
UCD116341
Hibiscus denudatus
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UC747136
Hieracium horridum
G. Thomas Robbins
1943-9-5
1385
El Dorado
rocky ridge just w Dicks Pass (along trail to summit of Dicks Peak)
2895
Comment
RSA32384
Hieracium horridum
G. Thomas Robbins
1943-9-5
1385
El Dorado
Rocky ridge just west of Dicks Pass along trail to summit of Dicks Peak.
2896
Comment
UC907787
Hieracium triste
G. Thomas Robbins
1945-8-4
2077
El Dorado
Highland lake; Desolation Valley Wilderness Area
2438
Comment
JEPS22107
Hoita macrostachya
G. Thomas Robbins with H. G. Baker, G. Newcomb, and R. Ornduff
1958-7-30
3917
Tuolumne
1.5 mi sw Italian Bar (near Mountain Lily Mine, along edge of Fivemile Creek (a tributary of South Fork Stanislaus River)); Fivemile Creek
472
Comment
CAS-BOT-BC324560
Holocarpha macradenia
G. Thomas Robbins
1959-10-11
4168
Santa Cruz
Along E. Lake Ave (State Highway 152) about 1 mile southwest of its junction with the Hecker Pass Road just south of Santa Cruz Co. Fairgrounds
35
Comment
CAS-BOT-BC324595
Holocarpha macradenia
G. Thomas Robbins
1959-10-11
4168
Santa Cruz
Along E. Lake Ave. (State Highway 152), about 1 mile southwest of its junciton with the Hecker Pass Road, just south of the Santa Cruz Co. Fairgrounds
35
Comment
JEPS24289
Holocarpha macradenia
G. Thomas Robbins
1959-10-11
4168
Santa Cruz
1 mi sw of its junction with the Hecker Pass Road; E. Lake Ave (State Highway 152). S. of Fairgrounds
35
Comment
JEPS24290
Holocarpha macradenia
G. Thomas Robbins
1959-10-11
4168
Santa Cruz
1 mi sw of its junction with the Hecker Pass Road; E. Lake Ave (State Highway 152). S. of Fairgrounds
35
Comment
RSA151923
Holocarpha macradenia
G. Thomas Robbins
1959-10-11
4168
Santa Cruz
Along E. Lake ave. (State Hwy 152), about 1 mile southwest of its jct. with the Hecker Pass Rd. just south of the Santa Cruz Co. Fairgrounds
35
Comment
JEPS15709
Holocarpha virgata subsp. virgata
G. Thomas Robbins
1956-9-7
3745
El Dorado
4 mi w Shingle Springs (along U.S. Highway 50)
350
Comment
JEPS24325
Holozonia filipes
G. Thomas Robbins with Robt. Ornduff and Howard Whisler
1959-10-25
4170
San Joaquin
3.5 mi e Farmington (0.5 mi w of Stanislaus Co. line, along State Highway 4, in the first low, rolling foothills of the Sierra Nevada); Sierra Nevada, Duck Creek
42
Comment
JEPS22055
Hordeum brachyantherum subsp. brachyantherum
G. Thomas Robbins
1958-3-20
3874
Alameda
at corner of 4th St. and Dwight Way (Berkeley); Berkeley
Comment
UC907619
Horkelia fusca subsp. parviflora
G. Thomas Robbins
1945-8-5
2094
El Dorado
ca 1/2 mi s Rubicon Springs
1828
Comment
RSA32358
Horkelia fusca subsp. parviflora
G. Thomas Robbins
1943-8-15
1357
El Dorado
Lodgepole pine woods near Wrights Lake.
2287
Comment
CAS-BOT-BC532478
Horkelia fusca var. parviflora
G. Thomas Robbins
1945-8-5
2094
El Dorado
Grassy meadow at edge of Lodgepole pine woods, about 1/2 mile S of Rubicon Springs
1828
Comment
SEINET3256452
Horkelia fusca var. parviflora
G. Thomas Robbins
1945-8-5
2094
El Dorado
Woods about 1/2 mi. s. of Rubicon Springs.
1830
Comment
GH345644
Horkelia parryi
G. T. Robbins
1945-5-27
1951
Unknown
along Camino-Pleasant Valley road, ca. 1 1/2 mi. n. of Pleasant Valley
762
Comment
UC907620
Horkelia parryi
G. Thomas Robbins
1945-5-27
1951
El Dorado
ca 1.5 mi n Pleasant Valley (along Camino-Pleasant Valley Rd)
762
Comment
RSA32402
Horkelia tridentata
G. Thomas Robbins
1943-4-25
1036
El Dorado
Open Ponderosa pine woods on grounds of CCC Camp Snowline, 3 miles E of Camino.
1037
Comment
UC481568
Horkelia tridentata subsp. tridentata
L. F. Robbins
1928-6-29
El Dorado
above Placerville
Comment
UC747267
Horkelia tridentata subsp. tridentata
G. Thomas Robbins
1943-4-25
1036
El Dorado
3 mi e Camino (C. C. C. Camp Snowline grounds)
1036
Comment
UC747003
Horkelia tridentata subsp. tridentata
G. T. Robbins
1943-3-28
975
El Dorado
5 mi ne Camino (along Mace Rd)
914
Comment
SBBG67355
Hosackia gracilis
J. R. and R. C. Robbins
1932-7-23
Del Norte
1 mi NE of Crescent City
Comment
CAS-BOT-BC315831
Hulsea algida
G. Thomas Robbins
1945-8-12
2116
El Dorado
Western face of Freel Peak near summit
3322
Comment
UC907729
Hulsea algida
G. Thomas Robbins
1945-8-12
2116
El Dorado
w face Freel Peak (near summit)
3322
Comment
UC698013
Hydrophyllum occidentale
G. Thomas Robbins
1943-6-4
1115
El Dorado
ca 4 mi s Kyburz (slope above Silver Fork American River at China Flat); China Flat
1371
Comment
UC700283
Hydrophyllum occidentale
G. Thomas Robbins
1943-5-23
1080
El Dorado
3 mi e Camino (woods along North Fork Webber Creek); North Fork Webber Creek
914
Comment
SBBG72723
Hypericum formosum var. scouleri
J. R. and R. C. Robbins
1932-7-16
Tuolumne
Tioga Pass Rd
Comment
UC746948
Hypericum perforatum
G. Thomas Robbins
1943-6-16
1176
El Dorado
3 mi. e Placerville (near Institute of Forest Genetics)
762
Comment
JEPS7961
Hypochaeris glabra
G. Thomas Robbins
1953-5-8
3520
Calaveras
about 1.5 mi n of Murphys; Mercer Cave
701
Comment
UC747607
Ipomopsis aggregata
G. Thomas Robbins
1943-7-25
1329
El Dorado
ca 1/2 mi s Echo Lake
2194
Comment
UCD118225
Ipomopsis aggregata
G. Thomas Robbins
1948-8-8
3181
Tuolumne
along State Highway 108, about 1 mile west of Sonora Pass.
2773
Comment
UC1249640
Ipomopsis aggregata
G. Thomas Robbins
1951-6-17
3388
Placer
ca 1.5 mi s Homewood (along state hwy 89)
Comment
SBBG58354
Ipomopsis aggregata subsp. aggregata
J. R. and R. C. Robbins
1932-7-17
Mono
Tioga Pass
Comment
UC972336
Ipomopsis congesta
G. Thomas Robbins
1945-8-12
2129
El Dorado
Freel Peak
3322
Comment
SD51760
Ipomopsis polycladon
G. Thomas Robbins, L. Constance and G. W. Gillett
1952-4-27
3469
San Bernardino
Near Hector Mines on Mt. Pisgah Crater lava flow, ca. 2.0 miles south of U. S. Highway 66.
Comment
JEPS15686
Ipomopsis tenuituba
G. Thomas Robbins
1956-9-10
3772
Alpine
ca 2 air mi s Carson Pass (above w shore of Winnemucca Lake, along trail to Elephants Back)
2743
Comment
UC1249641
Ipomopsis tenuituba
G. Thomas Robbins
1951-8-5
3408
Tuolumne
ca 1.5 mi w Sonora Pass (above Deadman Creek)
Comment
UC1084479
Iris douglasiana
G. Thomas Robbins
1938-4-15
252
Sonoma
about 2.5 mi e Bodega
Comment
UC747021
Iris hartwegii
G. Thomas Robbins
1943-5-2
1062
El Dorado
ca 3 mi e Camino; North Fork Webber Creek
914
Comment
UC1057443
Iris longipetala
G. Thomas Robbins
1937-4-11
82
San Mateo
slopes above Spring Valley Lake (s of San Francisco)
Comment
SEINET6193236
Iris macrosiphon
L. F. Robbins
1927-1
s.n.
Napa
Napa county
Comment
SBBG62839
Isocoma menziesii var. vernonioides
R. C. and J. R. Robbins
1920-10-23
Santa Barbara
Carpinteria
Comment
JEPS14636
Isolepis cernua
G. Thomas Robbins
1955-6-4
3659
Marin
along s shore Rodeo Lagoon; s shore Rodeo Lagoon
Comment
JEPS25008
Isolepis cernua
G. Thomas Robbins
1958-9-1
3934
Alameda
at edge near mouth Cordonices Creek (just e of the Eastshore Freeway, Albany-Berkeley City boundary); Albany-Berkeley City boundary, nr mouth Cordonices Creek
Comment
CAS-BOT-BC112606
Isolepis cernua
Guy Thomas Robbins
1958-9-1
3934
San Mateo
At edge of Cordonices Creek near its mouth, just E of the Eastshore Freeway
Comment
RSA153448
Isolepis cernua
G. Thomas Robbins
1958-9-1
3934
Alameda
At edge of Cordonices Creek near its mouth, just east of the Eastshore Freeway, Albany-Berkeley City boundary.
Comment
UC747403
Isopyrum occidentale
G. Thomas Robbins
1944-4-23
1552
El Dorado
about 5 mi n Camino (above South Fork American River); above South Fork American River
762
Comment
UC747413
Isopyrum occidentale
G. Thomas Robbins
1944-3-19
1486
El Dorado
5-6 mi n Camino (slope of South Fork American River canyon); South Fork American River Canyon
762
Comment
CAS-BOT-BC324732
Iva axillaris
G. Thomas Robbins
1958-7-26
3914
Alameda
Bed of Southern Pacific railroad tracks near teh corner of 64th Street and Overland Avenue, Emeryville
Comment
CAS-BOT-BC324756
Iva axillaris
G. Thomas Robbins
1958-7-19
3909
Contra Costa
Just south of Castro Point, San Francisco Bay, Richmond
Comment
JEPS22099
Iva axillaris subsp. robustior
G. Thomas Robbins
1958-7-19
3909
Contra Costa
at edge of rock quarry on hills above and just s Castro Pt.; San Francisco Bay, Richmond
Comment
JEPS22104
Iva axillaris subsp. robustior
G. Thomas Robbins
1958-7-26
3914
Alameda
near the corner of 64th St. and Overland Avenue (bed of Southern Pacific railroad tracks); Emeryville
Comment
CAS-BOT-BC139764
Ivesia gordonii
G. Thomas Robbins
1944-7-28
1789
El Dorado
At summit of Rockbound Pass, Desolation Valley Wilderness Area
2621
Comment
UC747264
Ivesia gordonii
G. Thomas Robbins
1944-7-28
1789
El Dorado
Rockbound Pass summit; Desolation Valley Wilderness Area
2621
Comment
SBBG72486
Ivesia lycopodioides var. megalopetala
J. R. and R. C. Robbins
1932-7-16
Tuolumne
Tioga Pass Rd
Comment
CAS-BOT-BC142469
Ivesia santolinoides
G. Thomas Robbins
1944-7-30
1820
El Dorado
Along Willow Flat Trail, about 3 mi. NE of Wrights Lake, 9 mi. n. of U.S. Highway 50
2286
Comment
UC746950
Ivesia santolinoides
G. Thomas Robbins
1943-7-25
1323
El Dorado
slope above e shore Echo Lake
2286
Comment
UC747262
Ivesia santolinoides
G. Thomas Robbins
1944-7-30
1820
El Dorado
about 3 mi ne of Wrights Lake (9 mi n of U.S. Highway 50, along Willow Flat Trail); Willow Flat Trail
2286
Comment
JEPS15532
Jaumea carnosa
G. Thomas Robbins
1956-8-18
3738
San Mateo
mouth of Pomponio Creek (at Pacific Ocean)
Comment
OBI15978
Jaumea carnosa
G. Thomas Robbins
1959-7-18
4111
Marin
Along W shore of Tomales Bay, 1/2 mi S of Inverness
Comment
CAS-BOT-BC340271
Jensia rammii
G. Thomas Robbins
1943-4-30
1056
El Dorado
Near Institute of Forest Genetics, 3 mi. e. of Placerville
762
Comment
UC747130
Jensia rammii
G. Thomas Robbins
1943-4-30
1056
El Dorado
near Institute of Forest Genetics (3 mi e of Placerville)
762
Comment
CAS-BOT-BC340269
Jensia rammii
G. Thomas Robbins
1943-4-15
997
El Dorado
Above North Fork Webber Creek, about 3 mi. e. of Camino
975
Comment
SD165193
Juglans nigra
Jolynn Robbins
2004-7-5
18
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
UC1057463
Juncus bufonius
G. Thomas Robbins
1937-5-23
195
Sonoma
about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region)
Comment
UC747501
Juncus chlorocephalus
G. Thomas Robbins
1944-7-30
1827
El Dorado
ca 1.5 mi ne Wright Lake (along Twin Lakes trail)
2438
Comment
JEPS15540
Juncus covillei var. obtusatus
G. Thomas Robbins with L. R. Heckard
1956-7-25
3698
Colusa
se extension Snow Mt. West (at e base of ridge that forms extension, about 0.5 air mi from its summit, Lake-Colusa County boundary)
1889
Comment
UC907721
Juncus effusus subsp. pacificus
G. Thomas Robbins
1945-7-16
2069
El Dorado
3 mi e Camino; North Fork Webber Creek
914
Comment
UC747508
Juncus ensifolius
G. Thomas Robbins
1944-7-6
1753
El Dorado
5 mi s Pollock Pines
975
Comment
JEPS30774
Juncus lescurii
G. Thomas Robbins
1950-5-13
3345
San Luis Obispo
se of Oso Flaco Lake
Comment
SEINET6185846
Juncus lescurii
G. T. Robbins
1950-5-13
3345
San Luis Obispo
Sand dunes southeast of Oso Flaco Lake
Comment
CAS-BOT-BC81104
Juniperus communis
G. Thomas Robbins
1944-7-29
1811
El Dorado
east and below Lake Leland, Desolation Valley Wilderness Area
2438
Comment
GH362734
Kalmia microphylla
G. T. Robbins
1945-7-1
2026
Unknown
Wet meadow along trail between Grouse Lake and Hemlock Lake, 2-3 miles east of Wrights Lake, nine miles north of U. S. Highway 50
2590
Comment
CAS-BOT-BC59643
Kalmia microphylla subsp. microphylla
G. Thomas Robbins
1945-7-1
2026
El Dorado
Along trail between Grouse Lake and Hemlock Lake, 2-3 mi. e. of Wrights Lake, 9 mi. n. of US Highway 50.
2590
Comment
UC747651
Kalmia polifolia subsp. microphylla
G. Thomas Robbins
1944-7-28
1794
El Dorado
above Lake Doris (just e of Rockbound Pass, Desolation Valley Wilderness Area); Desolation Valley Wilderness Area
2590
Comment
CAS-BOT-BC236792
Keckiella breviflora
G. Thomas Robbins
1943-5-28
1102
El Dorado
At western edge of Institute of Foerst Genetics, 3 mi. e. of Placerville
762
Comment
JEPS7779
Keckiella breviflora
G. Thomas Robbins and Lawrence R. Heckard
1953-5-30
3543
Tulare
7.5 mi n Springville (on road to Balch Park, about 0.5 mi e of Milo junction)
609
Comment
UC747469
Keckiella lemmonii
G. Thomas Robbins
1945-8-5
2085
El Dorado
n shore Rockbound Lake (Rockbound Valley); Desolation Valley Wilderness Area
2011
Comment
SBBG69460
Kelloggia galioides
J. R. and R. C. Robbins
1932-7-18
El Dorado
W side, Lake Tahoe
Comment
UC747061
Kelloggia galioides
G. Thomas Robbins
1943-6-17
1185
El Dorado
ca 3 mi e Camino (along U.S. Highway 50)
1036
Comment
JEPS23258
Kickxia elatine
G. Thomas Robbins
1958-10-19
3954
Alameda
n edge Russell City (and s edge of Hayward Municipal Airport)
Comment
OBI9473
Kickxia elatine
G. Thomas Robbins
1958-6-14
3864
Alameda
Along roadside near W end of Depot Rd, about 1/2 mi W of Mt. Eden Station
2
Comment
UCD123889
Kickxia elatine
G. Thomas Robbins
1958-10-19
3954
Alameda
northern edge of Russell City and southern edge of Hayward Municipal Airport.
Comment
UCD123890
Kickxia elatine
W. W. Robbins
1930-7-3
2161
Yolo
University Farm.
Comment
JEPS24326
Kickxia spuria
G. Thomas Robbins with Robert Ornduff and Howard Whisler
1959-10-25
4172
San Joaquin
3.5 mi e Farmington (banks and in stream bed of Duck Creek, along State Highway 4, 0.5 mi w of Stanislaus County line, in first low rolling foothills of the Sierra Nevada); Sierra Nevada, Duck Creek
42
Comment
UCD107107
Krameria bicolor
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
CAS-BOT-BC340336
Kyhosia bolanderi
G. Thomas Robbins
1945-8-6
2106
El Dorado
In Long Meadow near Schlien [Schlein] Ranger Station
1676
Comment
JEPS25242
Lactuca saligna
G. Thomas Robbins
1959-8-2
4119
Alameda
about 1.75 mi nw Mt. Eden (about 0.75 mi s of Russell, about 0.25 mi n of the w end of Depot Road, just e of American Salt Company, along the shore of San Francisco Bay); San Francisco Bay
1
Comment
JEPS8057
Lagophylla ramosissima
G. Thomas Robbins and Lawrence R. Heckard
1953-5-30
3539
Tulare
1/4 mi e of Milo junction and 7.5 mi n of Springville; Road to Balch Park
609
Comment
UCD63304
Lamarckia aurea
W. W. Robbins
1931-5-11
2202
Orange
Santa Ana.
Comment
JEPS21995
Lamium amplexicaule
G. Thomas Robbins
1958-4-19
3814
Alameda
about .17 mi n, field along Depot Road, just e of Clawiter Road Mt. Eden Station
7
Comment
UCD107213
Larrea tridentata
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
CAS-BOT-BC337921
Lasthenia californica
G. Thomas Robbins
1943-3-25
966
El Dorado
Flat near Institute of Forest Genetics, 3 mi. e. of Placerville
762
Comment
JEPS25123
Lasthenia californica subsp. californica
G. Thomas Robbins
1959-4-18
3989
Contra Costa
hillslopes above and about 1/2 mi e Pt. San Pablo; Richmond
30
Comment
JEPS25099
Lasthenia conjugens
G. Thomas Robbins
1959-3-29
3963
Alameda
about 0.25 mi n of w end Depot Road (adjacent to (just e of) the American Salt Co., along shore of San Francisco Bay about, 1.75 mi nw of Mt. Eden and 0.75 mi s of Russell); San Francisco Bay
1
Comment
JEPS14574
Lasthenia fremontii
G. Thomas Robbins with Peter H. Raven
1956-4-28
3667
Sacramento
near Sacramento airport; Freeport Blvd.
Comment
UC747192
Lasthenia gracilis
G. Thomas Robbins
1943-3-25
966
El Dorado
near Institute of Forest Genetics (3 mi e of Placerville)
762
Comment
UC1084420
Lathyrus jepsonii var. californicus
G. Thomas Robbins
1937-5-23
189
Sonoma
near Wright School (between Santa Rosa and Sebastopol)
Comment
UC747300
Lathyrus nevadensis var. nevadensis
G. Thomas Robbins
1943-5-4
1069
El Dorado
3 mi e Camino (along U.S. Highway 50 at C.C.C. Camp Snowline)
1036
Comment
UC747294
Lathyrus sulphureus
G. Thomas Robbins
1943-6-5
1130
El Dorado
about 3 mi e Camino (slope above North Fork Webber Creek)
975
Comment
UC1084401
Lathyrus vestitus var. vestitus
G. Thomas Robbins
1937-4-17
120
Contra Costa
near Pt. Richmond
Comment
JEPS7494
Layia glandulosa
G. Thomas Robbins and Rimo Bacigalupi
1952-4-20
3456
San Luis Obispo
just e of lowest point in Carrizo Plain (ca. 8 mi se of Soda Lake)
594
Comment
JEPS25165
Layia platyglossa
G. Thomas Robbins
1959-5-31
4037
Marin
1.5 mi s of turn-off to McClures Beach; Tomales Point
176
Comment
SBBG79723
Layia platyglossa
R. C. and J. R. Robbins
-Mar-1921
Santa Barbara
Santa Cruz Island
Comment
UC572646
Ledum glandulosum
G. Thomas Robbins
1937-5-23
203
Sonoma
Vine Hill Region, Pitkin Marsh Pitkin Marsh; Vine Hill Region, Pitkin Marsh
Comment
CAS-BOT-BC215726
Lepechinia calycina
G. Thomas Robbins
1945-5-20
1940
El Dorado
Hillslope above Sweetwater Creek, 2-3 miles s. of Salmon Falls
182
Comment
UC747554
Lepechinia calycina
G. Thomas Robbins
1945-5-20
1940
El Dorado
above Sweetwater Creek, 2-3 miles S of Salmon Fallas
182
Comment
OBI15131
Lepidium draba
G. Thomas Robbins
1959-3-29
3965
Alameda
Just N of Depot Rd at its W end, adj to the American Salt co evaporating ponds along the shore of San Francisco Bay, about 1.5 mi NW of Mt Eden and about 3/4 mi S of Russell
2
Comment
UCD115439
Lepidium draba
G. Thomas Robbins
1959-3-29
3965
Alameda
Just north of Depot Road at its western end, adjacent to the American Salt Co., along the shore of San Francisco Bay, about 1 1/2 miles northwest of Mt. Eden and about 3/4 miles south of Russell.
1
Comment
SD45206
Lepidium flavum
G. Thomas Robbins
1950-4-2
3310
Kern
Red Rock Canyon near The Temple, ca. 1 mile south of Ricardo
760
Comment
JEPS7457
Lepidium jaredii
G. Thomas Robbins and Rimo Bacigalupi
1952-4-20
3454
San Luis Obispo
about 8 mi se Soda Lake (just e of lowest point in Carrizo Plain); Carrizo Plain
594
Comment
UC1010764
Lepidium jaredii
G. Thomas Robbins and Rimo Bacigalupi
1952-4-20
3454
San Luis Obispo
about 8 mi se Soda Lake (just e of lowest point in Carrizo Plain); Carrizo Plain
594
Comment
JEPS7769
Lepidium lasiocarpum var. lasiocarpum
G. Thomas Robbins
1952-4-29
3479
San Bernardino
s and above Gilroy Canyon (e Mohave Desert); Mohave Desert, Providence Mountains
Comment
UC747368
Lepidium nitidum
G. Thomas Robbins
1943-4-15
1000
El Dorado
about 3 mi e Camino (above North Fork Webber Creek)
975
Comment
JEPS21993
Lepidium oxycarpum
G. Thomas Robbins
1958-4-19
3816
Alameda
ca. 0.6 mi. w. Mt. Eden Station (at w. end of Depot Rd., adjacent to San Francisco Bay)
1
Comment
UCD115766
Lepidium oxycarpum
G. Thomas Robbins
1958-4-19
3816
Alameda
West end of Depot Road, adjacent to San Francisco Bay, about 0.6 mile west of Mt. Eden Station.
1
Comment
JEPS25136
Lepidium strictum
G. Thomas Robbins
1959-4-26
4006
Contra Costa
about 1 mi ne Giant (and about 0.25 mi n of San Pablo Oil Tank Farm)
7
Comment
CAS-BOT-BC13004
Lepidium virginicum
G. Thomas Robbins
1945-5-15
1907
El Dorado
At C.C.C. Camp Snowline, 3 miles east of Camino.
1036
Comment
UC747383
Lepidium virginicum
G. Thomas Robbins
1945-5-15
1907
El Dorado
3 mi e Camino (at C.C.C. Camp Snowline)
1036
Comment
JEPS15570
Leptodactylon pungens
G. Thomas Robbins with L. R. Heckard
1956-7-25
3710
Colusa
above Dark Hollow Creek (a trib. of Middle Fork Stony Creek, s flank of Snow Mt. East, at lower edge of cirque between Snow Mt. Wsst and Snow Mt. East); Snow Mt. East, Dark Hollow Creek (trib. Middle Fork Stony Cr
1981
Comment
UC972332
Leptodactylon pungens
G. Thomas Robbins
1945-8-12
2127
El Dorado
near summit of Freel Peak; near summit of Freel Peak
3322
Comment
CAS-BOT-BC226980
Leptosiphon ambiguus
G. Thomas Robbins
1950-4-23
3340
Santa Clara
2.5-3 miles northeast of Coyote, foothills of the Mount Hamilton Range
365
Comment
SEINET3363427
Leptosiphon androsaceus
G. Thomas Robbins
1944-4-14
1506
Marin
Big rock ridge, 2 miles west of Hamilton Field Air Base
61
Comment
SEINET7967473
Leptosiphon androsaceus
G. Thomas Robbins
1937-5-23
182
Sonoma
Along roadside near Wright School, between Santa Rosa and Sebastopol
Comment
POM196068
Leptosiphon androsaceus
L. F. Robbins
1927-4-15
s.n.
Napa
[no locality information provided]
Comment
UCSB5168
Leptosiphon bicolor
Robbins, G.
1945-5-20
El Dorado
Placerville - Rescue Road, 3 miles east of Rescue
457
Comment
UCSB7322
Leptosiphon ciliatus
Robbins, G.
1944-7-28
El Dorado
1/2 mile south of Wrights Lake
2133
Comment
RSA98609
Leptosiphon montanus
G. Thomas Robbins
1945-6-17
1986
El Dorado
above Camp Creek near Baltic Peak.
1006
Comment
SBBG60886
Leptosyne bigelovii
R. C. and J. R. Robbins
1921-4-4
Santa Barbara
Cold Springs Trail, Montecito
Comment
SD45401
Leptosyne bigelovii
G. Thomas Robbins
1950-4-2
3296
Kern
Above Kern River, about one mile northeast of Isabella.
760
Comment
SBBG60874
Leptosyne californica
R. C. and J. R. Robbins
1921-1
Santa Barbara
La Cumbre Club
Comment
SBBG79708
Leptosyne gigantea
R. C. and J. R. Robbins
1922-3-28
Santa Barbara
Santa Cruz Island
Comment
JEPS15560
Lesquerella occidentalis subsp. occidentalis
G. Thomas Robbins with L. R. Heckard
1956-7-25
3721
Lake
summit summit of Snow Mt. West (Lake-Colusa Co. boundary); Snow Mt. West
2145
Comment
JEPS25286
Lessingia leptoclada
G. Thomas Robbins with Robert Ornduff and Howard Whisler
1959-10-26
4176
Tuolumne
about one-half mile upstream from Italian Bar crossing (above shore of South Fork of Stanislaus River); South Fork of Stanislaus River
518
Comment
POM196067
Lessingia leptoclada
L. F. Robbins
1927-9-11
s.n.
El Dorado
Near Camino
Comment
UC747137
Lessingia leptoclada
G. Thomas Robbins
1943-8-21
1366
El Dorado
3 mi e Placerville; Eddy Arboretum, Institute of Forest Genetics
822
Comment
JEPS25003
Lessingia ramulosa
G. Thomas Robbins
1958-8-13
3928
Mendocino
along State Hwy 128 4 mi se Boonville
Comment
UCD134124
Leucanthemum vulgare
Robbins; Raynor
1943-6-1
s.n.
Plumas
Quincy.
Comment
CAS-BOT-BC56399
Leucothoe davisiae
G. Thomas Robbins
1943-6-20
1190
El Dorado
near head of Long Canyon, 2-3 mi. w. of Pollock Pines
975
Comment
UC747669
Leucothoe davisiae
G. Thomas Robbins
1943-6-20
1190
El Dorado
2-3 mi w of Pollock Pines (near head of Long Canyon); Long Canyon
975
Comment
JEPS15551
Lewisia triphylla
G. Thomas Robbins with L. R. Heckard
1956-7-25
3708
Colusa
meadow along trail due s, skirting e base of ridge forming Snow Mt. West Snow Mt. East; Snow Mt. West
1981
Comment
UC746849
Lewisia triphylla
G. Thomas Robbins
1945-7-1
2018
El Dorado
on road 4 mi s Wrights Lake (near Lyons Creek); Lyons Creek
2042
Comment
UC746850
Lewisia triphylla
G. Thomas Robbins
1945-7-1
2023
El Dorado
near Wrights Lake
2133
Comment
JEPS22090
Leymus X multiflorus
G. Thomas Robbins
1958-7-19
3902
Contra Costa
about 1/2 mi e Pt. San Pablo (meadow overlooking San Pablo Bay); Richmond
Comment
JEPS25155
Leymus X multiflorus
G. Thomas Robbins with John Weiler
1959-5-23
4026
Contra Costa
Brooks Island San Francisco Bay, Richmond (slopes on w side)
Comment
JEPS22010
Leymus triticoides
G. Thomas Robbins
1958-6-14
3870
Alameda
alkaline field near end of Willow Road (sw of Newark)
3
Comment
SEINET8533919
Libocedrus decurrens
G. Thomas Robbins
1944-1
1832
El Dorado
At CCC Camp Snowline, 3 miles east of Camino. elevation 3400 feet.
1036
Comment
CAS-BOT-BC436021
Ligusticum grayi
G. Thomas Robbins
1943-9-5
1380
El Dorado
Along trail to Mt. Tallac above Gilmore Lake
2590
Comment
CAS-BOT-BC130705
Lilium pardalinum
G. Thomas Robbins
1945-7-16
2065
El Dorado
Along North Fork Webber Creek, 3 mi. e. of Camino
914
Comment
UC747532
Lilium pardalinum
G. Thomas Robbins
1945-7-16
2065
El Dorado
about 3 mi e Camino; North Fork Webber Creek
914
Comment
UC747550
Lilium pardalinum
G. Thomas Robbins
1943-7-10
1265
El Dorado
about 3 mi e Camino; North Fork Webber Creek
914
Comment
UC747518
Lilium parvum
G. Thomas Robbins
1943-8-15
1349
El Dorado
2.5 mi ne Wrights Lake (in bed of Grouse Creek, below Grouse Lake); Grouse Creek
2438
Comment
CAS-BOT-BC509418
Lilium parvum
G. Thomas Robbins
1943-8-15
1349
El Dorado
Bed of Grouse Creek below Grouse Lake, 21/2 mi. NE of Wrights Lake
2438
Comment
UC747534
Lilium washingtonianum subsp. washingtonianum
G. Thomas Robbins
1943-6-20
1204
El Dorado
4-5 mi nw Pollock Pines (along road to powerhouse)
914
Comment
UC747317
Limnanthes alba subsp. alba
G. Thomas Robbins
1943-4-18
1007
Sacramento
ca 15 mi ne Sacramento; Carmichael District
Comment
UCD116467
Limnanthes alba subsp. alba
W. W. Robbins
1926-4-17
535
Lassen
Grass Valley.
Comment
UC747316
Limnanthes alba subsp. versicolor
G. Thomas Robbins
1943-5-2
1063
El Dorado
along creek about 3 mi e Camino; North Fork Webber Creek
914
Comment
POM181659
Limnanthes douglasii subsp. rosea
L. F. Robbins
1927-5-6
s.n.
Sacramento
Campus of Sacramento Junior College.
Comment
OBI4182
Limonium californicum
G. Thomas Robbins
1959-8-2
4117
Alameda
1/4 mi N of the W end of Depot Rd, just E of the American Salt co evaporating ponds along the shore of San Francisco Bay, about 1-3/4 mi NW of Mt Eden about 3/4 mi S of Russell
2
Comment
UC747616
Linanthus acicularis
G. Thomas Robbins
1945-5-5
1872
Marin
2-3 mi w Hamilton Air Force Field (at n base of Big Rock Ridge); Big Rock Ridge
Comment
UC907982
Linanthus androsaceus
G. Thomas Robbins
1944-4-14
1506
Marin
ca 2 mi w Hamilton Field Air Base; Big Rock Ridge
60
Comment
UC1023039
Linanthus bicolor
G. Thomas Robbins
1945-4-22
1841
El Dorado
2-3 mi nw Shingle Springs
457
Comment
UC1023041
Linanthus bicolor
G. Thomas Robbins
1944-5-21
1615
El Dorado
about 3 mi e Camino (canyon of North Fork Webber Creek); North Fork Webber Creek
975
Comment
UC747615
Linanthus bicolor
G. Thomas Robbins
1945-5-20
1923
El Dorado
3 mi e Rescue (along Placerville-Rescue road)
457
Comment
UC908663
Linanthus bicolor
G. Thomas Robbins
1944-5-21
1615
El Dorado
ca 3 mi e Camino (above North Fork Webber Creek)
975
Comment
UC1023040
Linanthus bicolor
G. Thomas Robbins
1943-4-21
1020
El Dorado
3 mi e Placerville (at w edge of Institute of Forest Genetics); Institute of Forest Genetics
822
Comment
UC972334
Linanthus ciliatus
G. Thomas Robbins
1944-6-11
1674
El Dorado
2-3 mi ne Riverton (along Ice House Road)
1219
Comment
SD45404
Linanthus dichotomus
G. Thomas Robbins
1950-4-1
3293
Kern
Gravelly slopes above Kern River, about 1 mile east of Isabella
Comment
UC747610
Linanthus dichotomus
G. Thomas Robbins
1945-4-22
1863
El Dorado
3 mi e Shingle Springs (along U.S. Highway 50)
457
Comment
UCSB5178
Linanthus dichotomus
Robbins, G.
1945-4-22
El Dorado
Serpentine rock outcrop 3 miles east of Shingle Springs along U. S. Highway 50
457
Comment
JEPS24409
Linanthus filipes
G. Thomas Robbins
1943-7-18
1273
El Dorado
along Pleasant Valley road Sly Park
914
Comment
UC907942
Linanthus filipes
G. Thomas Robbins
1944-6-18
1717
El Dorado
5 mi s Pollock Pines; Sly Park
975
Comment
UC747604
Linanthus filipes
G. Thomas Robbins
1943-7-18
1273
El Dorado
near Sly Park (along Pleasant Valley Road)
914
Comment
UC1008646
Linanthus montanus
G. Thomas Robbins
1944-4-23
1560
El Dorado
about 4 mi nw Camino (along Chute Camp Road, above Iowa Creek)
609
Comment
UC747474
Linanthus montanus
G. Thomas Robbins
1944-5-22
1631
El Dorado
ca 3 mi e Placerville (along U.S. Highway 50)
670
Comment
UC747605
Linanthus montanus
G. Thomas Robbins
1945-6-17
1986
El Dorado
near Baltic Peak (above Camp Creek)
975
Comment
UC907692
Linanthus pachyphyllus
G. Thomas Robbins
1945-8-12
2140
El Dorado
w of High Meadow (along Freel Peak trail); Freel Peak
2286
Comment
JEPS7456
Linanthus parryae
G. Thomas Robbins, Rimo Bacigalupi
1952-4-19
3433
San Bernardino
about midway between Barstow and Kramer Mohave Desert
731
Comment
JEPS22972
Linanthus parviflorus
G. T. Robbins
1943-4-14
995
El Dorado
just w Smith Flat
670
Comment
UC747617
Linanthus parviflorus
G. Thomas Robbins
1945-4-22
1861
El Dorado
about 3 mi e Shingle Springs
457
Comment
UC908034
Linanthus parviflorus
G. Thomas Robbins
1944-4-14
1514
Marin
ca 2 mi w Hamilton Air Field Base; Big Rock Ridge
60
Comment
UC1008648
Linanthus parviflorus
G. Thomas Robbins
1943-4-21
1019
El Dorado
3 mi e Placerville (w edge of Institute of Forest Genetics)
822
Comment
UC972333
Linanthus parviflorus
G. Thomas Robbins
1943-4-14
995
El Dorado
3 mi e Placerville (near Insititute of Forest Genetics)
762
Comment
UCSB7586
Linanthus pungens
Robbins, G.; Bacigalupi, Rimo; Constance, Lincoln
1952-5-1
Inyo
Titus Canyon, Grapevinfe Mountains, Death Valley National Monument
1524
Comment
JEPS23256
Linaria vulgaris
G. Thomas Robbins
1958-8-11
3924
Sonoma
w of the town of Bodega (along Estero Lane a dirt road about 2 mi s of State Highway 1); Estero Lane
Comment
UC746865
Lithocarpus densiflorus
G. Thomas Robbins
1943-6-20
1194
El Dorado
4-5 mi nw Pollock (along road to powerhouse, n-facing wall of South Fork American River); South Fork American River
914
Comment
UC1084400
Lithophragma affine
G. Thomas Robbins
1937-4-17
128
Contra Costa
near Point Richmond
Comment
UC747340
Lithophragma affine
G. Thomas Robbins
1944-4-14
1520
Marin
about 3 mi w Hamilton Field Air Base (on n slope of Big Rock Ridge); w of Hamilton Field Air Base, n slope of Big Rock Ridge
60
Comment
CAS-BOT-BC430614
Lithophragma affine
G. Thomas Robbins
1944-4-14
1520
Marin
small stream on north slope of Big Rock Ridge, about 3 mi. w. of Hamilton Field Air Force Base
91
Comment
UC747345
Lithophragma glabrum
G. Thomas Robbins
1943-6-27
1223
El Dorado
ridge above Echo Summit Pass (about 0.75 mi sw of U. S. Highway 50)
2438
Comment
UC747342
Lithophragma heterophyllum
G. Thomas Robbins
1944-4-14
1518
Marin
about 3 mi w Hamilton Field Air Base (n slope of Big Rock Ridge); Big Rock Ridge
60
Comment
JEPS23822
Lobelia dunnii var. serrata
G. Thomas Robbins with John Weiler
1959-8-6
4127
Monterey
along Big Sur River, at and just n of Big Sur (River Village) Post Office Big Sur River; , Big Sur Post Office
38
Comment
JEPS14573
Logfia filaginoides
G. Thomas Robbins with Peter H. Raven
1956-4-28
3675
El Dorado
2.4 mi. s. Kelsey (1.5 mi. n. and on grade above S. Fork American R., along Placerville-Georgetown rd.)
457
Comment
JEPS7929
Logfia filaginoides
G. Thomas Robbins with R. Bacigalupi, L. Constance, G. W. Gillett, and L. R. Heckard
1952-5-1
3495
Inyo
Titus Canyon Death Valley National Monument, Grapevine Mountains, Titus C
1524
Comment
CAS-BOT-BC342122
Logfia filaginoides
G. Thomas Robbins; Peter H. Raven
1956-4-28
3675
El Dorado
Along Placerville - Georgetown road, 2.4 miles south of Kelsey and 1.5 miles north and on grade above South Fork American River
457
Comment
JEPS7462
Lomatium mohavense
G. Thomas Robbins and Rimo Bacigalupi
1952-4-19
3439
Kern
ca. 10 mi. w. Kramer (on rd. to Mojave); Mohave Desert
762
Comment
SBBG59798
Lomatium mohavense
J. R. and R. C. Robbins
1930-3-25
Los Angeles
W Mojave Desert
Comment
JEPS15698
Lomatium nevadense var. nevadense
G. Thomas Robbins
1956-9-9
3759
Alpine
1/2 to 3/4 mi. due w. Carson Pass (lower s. slopes of Red lake Peak, above State Hwy. 88); Red Lake Peak
2651
Comment
JEPS25112
Lomatium nudicaule
G. Thomas Robbins with Hsuan Keng and Erika Amstutz
1959-4-3
3968
Sonoma
s.w. El Verano (along Arnold Dr.); Sonoma Valley
30
Comment
UC747233
Lomatium utriculatum
G. Thomas Robbins
1944-6-15
1690
El Dorado
2-3 mi E of Placerville (along US Hwy 50)
762
Comment
UC747220
Lomatium utriculatum
G. Thomas Robbins
1943-4-30
1051
El Dorado
2 1/2 mi. e. Placerville (w. edge of Institute of Forest Genetics); Institute of Forest Genetics
792
Comment
UC747098
Lonicera conjugialis
G. Thomas Robbins
1943-7-25
1309
El Dorado
about 2 mi nw Echo Lake (along trail to Desolation Valley)
2286
Comment
SBBG69546
Lonicera hispidula
R. C. and J. R. Robbins
1921-5-21
Santa Barbara
Bothin Ridge, Montecito
Comment
UC747082
Lonicera hispidula var. vacillans
G. Thomas Robbins
1942-10-22
917
El Dorado
about 5 mi ne Placerville; Iowa Creek
914
Comment
CAS-BOT-BC240665
Lonicera interrupta
G. Thomas Robbins
1944-6-15
1689
El Dorado
Along U.S. Highway 50, 2-3 mi. e. of Placerville
762
Comment
UC747099
Lonicera interrupta
G. Thomas Robbins
1944-6-15
1689
El Dorado
2-3 mi e Placerville (along U. S. Highway 50)
762
Comment
UC532165
Lonicera subspicata var. denudata
L. F. Robbins
July 1927
Los Angeles
near Altadena
Comment
SEINET3557099
Lotus crassifolius
G. Thomas Robbins
1944-6-11
1677
El Dorado
Along Ice House Road, 2-3 miles NE of Riverton
1219
Comment
UC747250
Lotus crassifolius var. crassifolius
G. Thomas Robbins
1944-6-11
1677
El Dorado
203 mi ne Riverton (along Ice House Road)
1219
Comment
UC1057478
Lotus formosissimus
G. Thomas Robbins
1937-5-23
211
Sonoma
about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Region
Comment
UC1084493
Lotus heermannii
G. Thomas Robbins
1940-5-15
314
San Francisco
vicinity Rivera Street and 28th Avenue; Sunset District
Comment
UC1057448
Lotus humistratus
G. Thomas Robbins
1937-4-11
97
San Mateo
near Spring Valley Lakes (along road to Woodside)
Comment
UC747290
Lotus humistratus
G. Thomas Robbins
1943-4-6
980
El Dorado
2 mi e Placerville (immediately s of Institute of Forest Genetics)
792
Comment
UC747249
Lotus incanus
G. Thomas Robbins
1944-5-28
1642
El Dorado
4-5 mi nw Pollock Pines (along road to power house)
914
Comment
SEINET3523637
Lotus incanus
G. Thomas Robbins
1944-5-28
1642
El Dorado
Along road to power house, 4-5 mi NW of Pollock Pines
914
Comment
UC747289
Lotus micranthus
G. Thomas Robbins
1943-4-14
994
El Dorado
w edge Institute of Forest Genetics
731
Comment
UC746973
Lotus nevadensis var. nevadensis
G. Thomas Robbins
1944-6-11
1675
El Dorado
2-3 mi ne Riverton (along Ice House Road)
1219
Comment
SEINET3694381
Lotus oblongifolius var. torreyi
G. Thomas Robbins
1943-6-5
1655
El Dorado
North Fork Webber Creek, 3 mi E of Camino
975
Comment
SEINET3694460
Lotus pinnatus
G. Thomas Robbins
1944-6-18
1715
El Dorado
Sly Park, 5 miles S of Pollock Pines
1006
Comment
UC747248
Lotus purshianus var. purshianus
G. Thomas Robbins
1944-6-15
1692
El Dorado
3 mi e Placerville (in Institute of Forest Genetics Arboretum)
822
Comment
JEPS25107
Lotus scoparius
G. Thomas Robbins
1959-4-12
3983
Contra Costa
about 0.5 mi sw junction of Hoffmann Blvd. and S. 25th St.
6
Comment
SBBG67096
Lupinus
J. R. and R. C. Robbins
1932-7-14
Mariposa
Chinquapin to Glacier Point
Comment
UC907699
Lupinus albicaulis
G. Thomas Robbins
1944-6-3
1648
El Dorado
3 mi E of Camimo ( along U.S. Hwy. 50)
Comment
GH366661
Lupinus albifrons
G. T. Robbins
1945-4-22
1860
Unknown
3 mi. e. of Shingle Springs
457
Comment
SEINET195642
Lupinus albifrons
G. Thomas Robbins
1943-6-5
1653
El Dorado
North Fork Webber Creek, about 3 miles east of Camino
1036
Comment
UC747241
Lupinus albifrons
G. Thomas Robbins
1944-4-23
1561
El Dorado
along Chute Camp Road ca 4 mi n Camino (above Iowa Creek); above Iowa Creek
762
Comment
UC907700
Lupinus albifrons
G. Thomas Robbins
1945-4-22
1860
El Dorado
3 mi e Shingle Springs; e of Shingle Springs
457
Comment
UC907702
Lupinus albifrons
G. Thomas Robbins
1943-6-5
1653
El Dorado
3 mi e Camino (slope above North Fork Webber Creek); North Fork Webber Creek, e of Camino
1036
Comment
CAS-BOT-BC201380
Lupinus albifrons var. albifrons
G. Thomas Robbins
1944-4-23
1561
El Dorado
Above Iowa Creek along Chute Camp Road, ca. 4 mi. n. of Camino
762
Comment
CAS-BOT-BC201382
Lupinus albifrons var. albifrons
G. Thomas Robbins
1943-6-5
1653
El Dorado
Above North Fork Webber Creek, 3 mi. e. of Camino
1036
Comment
UC1084380
Lupinus albifrons var. collinus
G. Thomas Robbins
1937-4-11
79
San Mateo
Skyline Boulevard near County Jail San Francisco (San Francisco); s of San Francisco
Comment
JEPS25126
Lupinus arboreus
G. Thomas Robbins
1959-4-18
3995
Contra Costa
near and n Pt. Richmond (above Western Drive, western slopes of the Potrero Hills, Richmond); Richmond, near and n of Pt. Richmond
7
Comment
SBBG67097
Lupinus benthamii
J. R. and R. C. Robbins
1932-6-8
Tulare
Sequoia Nat Park
914
Comment
JEPS25110
Lupinus bicolor
G. Thomas Robbins
1959-4-5
3971
Alameda
Vacant lot at corner of 61st St. and Shattuck Ave.; Oakland
33
Comment
SBBG71263
Lupinus bicolor
J. R. and R. C. Robbins
1930-3-28
Kern
2 mi from Isabella, Kern Valley
Comment
UC532189
Lupinus bicolor
L. F. Robbins
1927-4-22
Sacramento
on Freeport Boulevard Levee Sacramento River; Levee of Sacramento River
Comment
UC747292
Lupinus bicolor
G. Thomas Robbins
1943-4-20
1014
El Dorado
about 3 mi e Camino (on canyon slope above North Fork Webber Creek); above North Fork Webber Creek
975
Comment
UC907707
Lupinus bicolor
G. Thomas Robbins
1943-4-18
1003
Sacramento
Carmichael District ca 15 mi ne Sacramento; ne of Sacramento
Comment
UC1057458
Lupinus bicolor
G. Thomas Robbins
1937-4-11
103
San Mateo
along roadside near Redwood City; near Redwood City
Comment
UC907740
Lupinus breweri
G. Thomas Robbins
1945-7-8
2037
El Dorado
near Al Tahoe; Lake Tahoe, near Al Tahoe
1920
Comment
CAS-BOT-BC208877
Lupinus breweri var. breweri
G. Thomas Robbins
1945-7-8
2037
El Dorado
Near Al Tahoe, Lake Tahoe.
1920
Comment
UC1084497
Lupinus chamissonis
G. Thomas Robbins
1940-5-15
318
San Francisco
Sunset District Sunset District, San Francisco (San Francisco); , Sunset District
Comment
OBI12898
Lupinus formosus
G. Thomas Robbins
1959-8-2
4121
Alameda
Northern edge of IRvington, about 1/4 mi W of Stivers Pond
15
Comment
UC907693
Lupinus latifolius var. columbianus
G. Thomas Robbins
1944-7-6
1748
El Dorado
Sly Park 5 mi s Pollock Pines; s of Pollock Pines
975
Comment
UC907696
Lupinus latifolius var. columbianus
G. Thomas Robbins
1943-6-5
1123
El Dorado
ca 3 mi e Camino (shady ravine above North Fork Webber Creek); above North Fork Webber Creek
975
Comment
UC532188
Lupinus microcarpus var. densiflorus
L. F. Robbins
1928-4-15
Yolo
Capay Valley
Comment
UC907703
Lupinus microcarpus var. densiflorus
G. Thomas Robbins
1943-4-18
1004
Sacramento
ca 15 mi ne Sacramento (Carmichael District)
Comment
UC532192
Lupinus nanus
L. F. Robbins
1928-3-18
Solano
Putah Canyon
Comment
UC907697
Lupinus nanus
G. Thomas Robbins
1943-4-28
1041
El Dorado
on slope above Smithflat
762
Comment
JEPS25125
Lupinus rivularis
G. Thomas Robbins
1959-4-25
3996
Alameda
about 0.2 mi above Broadway Terrace along the s side Clarewood Drive (Oakland Hills); Oakland, Oakland Hills
91
Comment
JEPS25128
Lupinus succulentus
G. Thomas Robbins
1959-4-18
3993
Contra Costa
road fill along Western Drive near and n Pt. Richmond (western base of Potrero Hills, Richmond); Richmond, n of Pt. Richmond, western base Potraro Hills
4
Comment
UC907695
Lupinus succulentus
G. Thomas Robbins
1943-4-18
1002
Sacramento
Carmichael District ca 15 mi ne Sacramento; ne of Sacramento
Comment
UC747498
Luzula macrantha
G. Thomas Robbins
1944-6-3
1649
El Dorado
Along U.S. Highway 50 ca 3 mi E of Camino
1036
Comment
OBI21194
Luzula macrantha
G. Thomas Robbins
1959-4-18
3987
Contra Costa
Partial shade of Baccharis pilularis var. consanguinea at edge of Juncus effusus meadow overlooking San Pablo Bay, about 1/2 mile east of Pt. San Pablo, Richmond
8
Comment
UCD115953
Lyrocarpa coulteri
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
JEPS25283
Madia elegans
G. Thomas Robbins with Robert Ornduff and Howard Whisler
1959-10-25
4173
Tuolumne
about 1 mi w South Fork of the Stanislaus River (Five Mile Creek just above the road crossing to Italian Bar); Five Mile Creek
472
Comment
UC907608
Madia elegans
G. Thomas Robbins
1945-6-17
1981
El Dorado
near Baltic Peak (above Camp Creek)
1005
Comment
CAS-BOT-BC342741
Madia elegans
G. Thomas Robbins
1943-10-16
1401
El Dorado
At Institute of Forest Genetics, 3 mi. e. of Placerville
762
Comment
UCD134240
Madia elegans
Robbins; Raynor
1943-6-1
s.n.
Butte
Feather River Canyon near Pulga.
Comment
CAS-BOT-BC344425
Madia exigua
G. T. Robbins
1939-5-29
s.n.
Monterey
Frances Simes Hastings Natural History Reservation, upper Carmel Valley about 2 miles northeast of Jamesburg
Comment
POM308654
Madia exigua
G. Thomas Robbins
1939-5-29
s.n.
Monterey
Francis Simes Hastings Natural History Reservation, upper Carmel Valley about 2 miles northeast of Jamesburg
Comment
JEPS21969
Madia gracilis
G. Thomas Robbins with S. Galen Smith
1958-6-2
3848 A
Contra Costa
just e Hercules city boundary (grassy slope along Franklin Canyon Road (State Hwy 4) s and above Refugio Valley)
18
Comment
CAS-BOT-BC342907
Madia gracilis
G. Thomas Robbins
1943-6-5
1129
El Dorado
On canyon slope above North Fork Webber Creek, about 3 mi. e. of Camino
975
Comment
UC747195
Madia sativa
G. Thomas Robbins
1943-7-10
1261
El Dorado
3 mi e Placerville (Eddy Arboretum, Institute of Forest Genetics); Institute of Forest Genetics, Eddy Arboretum
822
Comment
UCD134341
Madia sativa
G. Thomas Robbins; S. Galen Smith
1958-6-2
3848 B
Contra Costa
Along Franklin Canyon Road (State Highway 4) south and above Refugio Valley just east of Hercules city boundary.
18
Comment
GH414725
Madia yosemitana
G. T. Robbins
1943-4-15
997
Unknown
North Fork Webber Creek, about 3 miles east of Camino
975
Comment Read comments Apr 11 2013
CAS-BOT-BC510741
Maianthemum racemosum subsp. amplexicaule
G. Thomas Robbins
1943-5-23
1078
El Dorado
Shady woods along North Fork Webber Creek, 3 mi. e. of Camino
914
Comment
SBBG71553
Malacothamnus fasciculatus var. nuttallii
R. Robbins
1947-8-14
Ventura
Casitas Pass
Comment
JEPS7481
Malacothrix californica
G. Thomas Robbins and Rimo Bacigalupi
1952-4-26
3464
Kern
Hills immediately east of Kernville on dirt road to Weldon.
518
Comment
UC1084496
Malva nicaeensis
G. Thomas Robbins
1940-5-15
317
San Francisco
San Francisco, Sunset District, vicinity of Rivera Street and 28th Avenue San Francisco; , Sunset District
Comment
SEINET7248012
Malva pseudolavatera
G. Thomas Robbins
1958-1
3819
Alameda
Along roadside west of Russell and about .25 miles east of Hayward Landing on San Francisco Bay.
2
Comment
UCD116693
Malva pseudolavatera
G. Thomas Robbins
1958-4-19
3819
Alameda
Along roadside west of Russell and about 1/4 mile east of Hayward Landing on San Francisco Bay.
1
Comment
JEPS22103
Malvella leprosa
G. Thomas Robbins
1958-7-26
3913
Alameda
bed of S.P.R.R. tracks at w. end of Folger Ave. just above Ashby Ave. underpass Berkeley
Comment
UCD81551
Malvella leprosa
W. W. Robbins; W. D. Norton
1928-8-1
1419
Yolo
near Clarksburg.
Comment
OBI12336
Malvella leprosa
G. Thomas Robbins
1958-6-14
3866
Alameda
Along borders of slough along Mt. Eden Rd, about 1.5 mi N of Alvarado
3
Comment
UCD116702
Malvella leprosa
G. Thomas Robbins
1958-7-26
3913
Alameda
Bed of Southern Pacific railroad tracks at west end of Folger Ave., just above the Ashby Ave. underpass, Berkeley.
Comment
SD185655
Marah macrocarpa var. macrocarpa
Jolynn Robbins
2006-4-9
47
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
UC747040
Marah watsonii
G. Thomas Robbins
1944-5-16
1606
El Dorado
3 mi e Placerville (hillside w Institute of Forest Genetics)
762
Comment
UCD106743
Marina parryi
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
SD158110
Marrubium vulgare
Jolynn Robbins
2004-4-5
3
San Diego
Damon Lane County Park in El Cajon. South on Jamacha, right on Fury. Then right on Wieghorst, left on Calle Albara.
68
Comment
JEPS25077
Marsilea vestita subsp. vestita
G. Thomas Robbins with S. Galen Smith
1959-1-4
3957
Solano
ca. 2 1/2 mi ne Vacaville (ca. 1/2 mi e of Winters rd junction, field just n of U.S. Hwy 40); Sacramento Valley
27
Comment
UCD107740
Medicago lupulina
Robbins and Raynor
1943-6-1
s.n.
Plumas
Belden.
Comment
UCD107741
Medicago lupulina
Robbins
1950-5-23
s.n.
Monterey
Carmel.
Comment
JEPS25127
Melica californica
G. Thomas Robbins
1959-4-18
3994
Contra Costa
near and n Pt. Richmond (along Western Drive, at the w base of Potrero Hills); Richmond, Potrero Hills
7
Comment
UC907660
Melica californica
G. Thomas Robbins
1945-5-18
1917
El Dorado
about 3 mi e Placerville (near Institute of Forest Genetics)
731
Comment
UC907662
Melica californica
G. Thomas Robbins
1945-5-17
1913
El Dorado
about 3 mi e Camino; North Fork Webber Creek
975
Comment
UCD88023
Melica imperfecta
G. Thomas Robbins; Rimo Bacigalupi
1952-4-26
3463
Kern
Above Kern River, Kern River Canyon, about 3 miles west of Democrat Springs road junction.
563
Comment
JEPS15679
Melica subulata
G. Thomas Robbins
1956-9-14
3780
El Dorado
about 0.5 mi nw Echo Summit (along U.S. Hwy 50)
2225
Comment
JEPS25163
Melica torreyana
G. Thomas Robbins
1959-5-27
4035
Alameda
w shore Lake Temescal; Oakland
137
Comment
UCD89119
Melica torreyana
G. Thomas Robbins
1959-5-27
4035
Alameda
Along the west shore of Lake Temescal (reservoir), Oakland.
137
Comment
OBI13670
Melissa officinalis
G. Thomas Robbins
1959-8-1
4115
Contra Costa
Las Trampas Crk, about 1.5 mi SE of St. Marys College
183
Comment
SBBG69336
Mentzelia affinis
Jane R. Robbins
1930-4-17
Santa Barbara
Little Pine Mtn
Comment
SD45207
Mentzelia albicaulis
G. Thomas Robbins
1950-4-7
3325
Inyo
About 5 miles south of Lone Pine
1067
Comment
RSA440469
Mentzelia laevicaulis
L. F. Robbins
1926-8-15
s.n.
Unknown
Putah Canyon.
Comment
UC7471
Mentzelia pectinata
G. Thomas Robbins, Rimo Bacigalupi
1952-4-20
3446
Kern
2.3 mi w U.S. Highway (along road to Elkhorn Plain); Bitterwater Creek
518
Comment
CAS-BOT-BC428467
Micranthes aprica
G. Thomas Robbins
1945-7-1
2025
El Dorado
Along trail to Grouse Lake, 1 1/2 mi. e. of Wrights Lake
2286
Comment
CAS-BOT-BC428776
Micranthes californica
G. Thomas Robbins
1944-4-23
1554
El Dorado
Above South Fork American River, about 5 mi. n. of Camino
762
Comment
UCD102826
Micranthes californica
W. W. Robbins
1928-4-29
944
Unknown
County Unknown: American River.
Comment
UC747134
Micropus californicus var. californicus
G. Thomas Robbins
1943-4-30
1055
El Dorado
near Institute of Forest Genetics (3 mi e of Placerville)
762
Comment
UC907710
Micropus californicus var. californicus
G. Thomas Robbins
1944-4-14
1542
Marin
low hills immediatly w Hamilton Field Air Base
152
Comment
CAS-BOT-BC348368
Micropus californicus var. californicus
G. Thomas Robbins
1943-4-30
1055
El Dorado
Slope near Institute of Forest Genetics, 3 mi. e. of Placerville
762
Comment
UC907778
Micropus californicus var. californicus
G. Thomas Robbins
1944-5-15
1601
El Dorado
3 mi e Placerville (western boundary of Institute); Institute of Forest Genetics
762
Comment
JEPS14576
Microseris douglasii subsp. tenella
G. Thomas Robbins with Peter H. Raven
1956-4-28
3665
Contra Costa
just s El Cerrito city limits (along Arlington Ave at Kenilworth Dr); Berkeley Hills
213
Comment
UC747069
Mimulus angustatus
G. Thomas Robbins
1945-6-17
2003
El Dorado
Sly Park meadow
975
Comment
UC747080
Mimulus angustatus
G. Thomas Robbins
1944-5-7
1587
El Dorado
near Sly Park meadow (along Pleasant Valley Road)
975
Comment
RSA102192
Mimulus aurantiacus var. aurantiacus
G. Thomas Robbins
1945-5-20
1936
El Dorado
3-4 mi. s. of Salmon Falls
183
Comment
UC747086
Mimulus aurantiacus var. aurantiacus
G. Thomas Robbins
1944-4-14
1512
Marin
2-3 mi w Hamilton Field Air Base (n slope of Big Rock Ridge)
152
Comment
UC747127
Mimulus aurantiacus var. aurantiacus
G. Thomas Robbins
1945-5-20
1936
El Dorado
3-4 mi s Salmon Falls; Sweetwater Creek
182
Comment
JEPS4724
Mimulus bigelovii var. cuspidatus
G. T. Robbins and Rimo Bacigalupi with L. Constance, George Gillett and L. R. Heckard
1952-5-1
3498
Inyo
Titus Canyon Death Valley National Monument, Grapevine Mts.
1524
Comment
JEPS5580
Mimulus bigelovii var. cuspidatus
G. T. Robbins and Rimo Bacigalupi with L. Constance, George Gillett and L. R. Heckard
1952-5-1
3513
Inyo
Titus Canyon Death Valley National Monument, Grapevine Mts.
701
Comment
JEPS7786
Mimulus bolanderi
G. Thomas Robbins and Lawrence R. Heckard
1953-5-30
3544
Tulare
about 1/4 mi e Milo junction (along road to Balch Park, 7.5 mi n of Springville)
548
Comment
UC747118
Mimulus breweri
G. Thomas Robbins
1943-8-15
1339
El Dorado
2 mi ne Wright's Lake (along trail to Grouse Lake)
2438
Comment
JEPS22108
Mimulus cardinalis
G. Thomas Robbins with H. G. Baker, G. Newcomb, and R. Ornduff
1958-7-30
3918
Tuolumne
at bridge crossing 1.5 mi s Italian Bar; Fivemile Creek (tributary of South Fork Stanislaus River)
469
Comment
UC747071
Mimulus cardinalis
G. Thomas Robbins
1943-6-17
1181
El Dorado
3 mi e Placerville (Institute of Forest Genetics)
822
Comment
JEPS4709
Mimulus geniculatus
G. T. Robbins and Rimo Bacigalupi
1952-4-16
3422
Kern
w Miracle Hot Springs (formerly Hobo); Lower Kern River Canyon
701
Comment
JEPS14538
Mimulus guttatus
G. Thomas Robbins with Peter H. Raven
1956-4-29
3688
El Dorado
1.2 mi nw Somerset (Youngs) (near bridge crossing river); Canyon of North Fork Cosumnes River
Comment
JEPS19393
Mimulus inodorus
G. Thomas Robbins
1937-6-5
226
Sonoma
10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region
Comment
UC747038
Mimulus kelloggii
G. Thomas Robbins
1945-4-13
1839
El Dorado
2 1/2 mi e Placerville (above Smithflat)
762
Comment
UC747111
Mimulus kelloggii
G. Thomas Robbins
1943-3-20
965
El Dorado
about 3 mi e Placerville (hillside w of Institute of Forest Genetics)
762
Comment
SBBG28907
Mimulus lewisii
G. T. Robbins
1943-7-25
1325
El Dorado
above S shore of Echo Lake
2194
Comment
JEPS15581
Mimulus nanus var. mephiticus
G. Thomas Robbins
1956-9-9
3754 B
Alpine
1/2 to 3/4 mi due w Carson Pass (above State Highway 88, lower slopes of peak); Red Lake Peak
2651
Comment
UC907731
Mimulus nanus var. mephiticus
G. Thomas Robbins
1944-6-18
1732
El Dorado
1/2 mi n Capps Crossing (along Capps Crossing road)
1524
Comment
JEPS7787
Mimulus nasutus
G. Thomas Robbins
1953-5-8
3524
Calaveras
4.7 mi w, along Mokelumne Hill-Glencoe road Glencoe; Rich Gulch, Mokelumne Hill
457
Comment
JEPS7791
Mimulus palmeri
G. Thomas Robbins and Lawrence R. Heckard
1953-5-30
3545
Tulare
1/4 mi e Milo junction (on road to Balch Park, 7.5 mi n of Springville)
609
Comment
RSA152171
Mimulus palmeri
G. Thomas Robbins, L. R. Heckard
1953-5-30
3545
Tulare
One fourth mile east of Milo junction and 7.5 miles north of Springville
610
Comment
CAS-BOT-BC9650
Mimulus palmeri
G. T. Robbins; L. R. Heckard
1953-5-30
3545
Tulare
On road to Balch Park, one fourth mile east of Milo Junction and 7.5 miles north of Springville
609
Comment
UC747101
Mimulus primuloides
G. Thomas Robbins
1943-8-15
1345
El Dorado
2 1/2 mi ne Wrights Lake; Grouse Lake
2590
Comment
UC747125
Mimulus primuloides
G. Thomas Robbins
1945-8-12
2113
El Dorado
2-3 mi se Al Tahoe; Lake Valley
1920
Comment
JEPS4659
Mimulus rubellus
G. Thomas Robbins
1952-4-29
3477
San Bernardino
between Mitchell Canverns and Gilroy Canyon (se slopes of mountains); Providence Mountains
1524
Comment
SEINET3367731
Mimulus rubellus
G. Thomas Robbins
1944-7-30
1823
El Dorado
Along Willow Flat Trail, 9 miles north of US Hwy 50, about 2 miles north of Wrights Lake
2286
Comment
UC747119
Mimulus tilingii
G. Thomas Robbins
1943-8-15
1342
El Dorado
in bed of small inlet stream above Grouse Lake (2 1/2 mi ne of Wrights Lake)
2590
Comment
UC747087
Mimulus torreyi
G. Thomas Robbins
1943-7-6
1249
El Dorado
3 mi e Camino; C.C.C. Camp Snowline
1036
Comment
RSA102189
Mimulus torreyi
G. Thomas Robbins
1945-7-8
2060
El Dorado
Along State Highway 89 near Fallen Leaf Lake.
1921
Comment
JEPS19397
Mimulus tricolor
G. Thomas Robbins
1938-5-19
264
Sonoma
sw Santa Rosa (Stony Point Road, near The Lagunas)
Comment
JEPS7783
Mimulus viscidus var. compactus
G. Thomas Robbins and Lawrence R. Heckard
1953-6-1
3563
Fresno
4.5 mi se of Auberry (Bald Mountain); Bald Mountain
914
Comment
JEPS14534
Mimulus viscidus var. viscidus
G. Thomas Robbins with Peter H. Raven
1956-4-28
3674
El Dorado
2.4 mi s: on burn along Placerville-Georgetown road, 1.5 mi n and on grade above South Fork American River Kelsey
457
Comment
UC907706
Mimulus viscidus var. viscidus
G. Thomas Robbins
1945-6-30
2014
El Dorado
1 mi n Rescue (along Deer Valley Rd)
396
Comment
RSA102190
Mimulus viscidus var. viscidus
G. Thomas Robbins
1945-6-30
2014
El Dorado
Along Deer Valley Road, 1 mi. n. of Rescue.
396
Comment
CAS-BOT-BC174681
Minuartia cismontana
G. Thomas Robbins
1943-4-28
1043
El Dorado
At Institute of Forest Genetics, 3 mi. e. of Placerville
762
Comment
UC746830
Minuartia douglasii
G. Thomas Robbins
1944-5-21
1623
El Dorado
near Eight Mile House (about 2 mi e of Camino); North Fork Webber Creek
914
Comment
CAS-BOT-BC388590
Minuartia douglasii
G. Thomas Robbins
1944-5-21
1623
El Dorado
On ridge above North Fork Webber Creek near Eight Mile House, about 2 mi/ e. of Camino
914
Comment
CAS-BOT-BC174760
Minuartia nuttallii var. gracilis
G. Thomas Robbins
1945-8-12
2130
El Dorado
Near summit of Freel Peak
3322
Comment
UC747347
Mitella breweri
G. Thomas Robbins
1943-6-27
1224
El Dorado
near Echo Summit Pass
2286
Comment
RSA32399
Mitella breweri
G. Thomas Robbins
1945-7-8
2053
El Dorado
Along Velma Lakes Trail. Above Eagle Lake. Desolation Valley Wilderness Area.
2287
Comment
RSA32406
Mitella breweri
G. Thomas Robbins
1943-6-27
1224
El Dorado
Near Echo Summit Pass.
2287
Comment
JEPS4643
Mohavea breviflora
G. T. Robbins and Rimo Bacigalupi with L. Constance, George Gillett and L. R. Heckard
1952-5-1
3503
Inyo
Death Valley National Monument, Titus Canyon Titus Canyon; Death Valley National Monument, Titus Canyon
1066
Comment
UCD99651
Mollugo verticillata
G. Thomas Robbins; Robert Ornduff, Howard Whisler
1959-10-25
4171
San Joaquin
on the surface of the dried stream bed of Duck Creek, along State Highway 4, 1/2 mile west of Stanislaus Co. line, 3.5 miles east of Farmington; in the first low, rolling foothills of the Sierra Nevada.
42
Comment
CAS-BOT-BC219956
Monardella breweri subsp. lanceolata
G. Thomas Robbins
1943-7-6
1244
El Dorado
At C.C.C. Camp Snowline, 3 mi. e. of Camino
1036
Comment
SEINET3996185
Monardella breweri subsp. lanceolata
C. Thomas Robbins
1943-7-6
1244
El Dorado
CCC Camp Snowline, 3 miles east of Camino
1036
Comment
UC747583
Monardella breweri subsp. lanceolata
G. Thomas Robbins
1943-7-6
1244
El Dorado
At C. C. C. Camp Snowline, 3 mi E of Camino
1036
Comment
SEINET3996528
Monardella odoratissima
G. Thomas Robbins
1943-7-25
1331
El Dorado
ca. 1 mi S of Echo Lake
Comment
UC747581
Monardella odoratissima subsp. pallida
G. Thomas Robbins
1943-7-25
1331
El Dorado
About 1 mi south of Echo Lake
2194
Comment
RSA32361
Monardella odoratissima subsp. pallida
G. Thomas Robbins
1943-7-25
1331
El Dorado
Shady Red Fir woods along roadside about 1 mi. S of Echo Lake
2195
Comment
CAS-BOT-BC220214
Monardella sheltonii
G. Thomas Robbins
1943-7-6
1245
El Dorado
At C.C.C. Camp Snowline, 3 mi. e. of Camino
1036
Comment
GH400634
Monardella sheltonii
G. T. Robbins
1943-7-6
1245
Unknown
at C.C.C. Camp Snowline, 3 mi. e. of Camino
1036
Comment
CAS-BOT-BC220164
Monardella sinuata subsp. nigrescens
G. Thomas Robbins; S. Galen Smith
1958-7-8
3895
Marin
Along Sir Francis Drake Highway, Point Reyes Peninsula, 2 miles north of junction of road to Drakes Beach
Comment
JEPS7798
Monolopia lanceolata
G. Thomas Robbins and Rimo Bacigalupi
1952-4-20
3458
San Luis Obispo
southernmost end of plain just before descent into Cuyama Valley (about 4 mi from Kern County line); Carrizo Plain
868
Comment
OBI18738
Monolopia lanceolata
G. Thomas Robbins & Rimo Bacigalupi, Rimo Bacigalupi
1952-4-20
3458
San Luis Obispo
S most end of Carrizo Plain, just before descent into Cuyama Valley, abut 4 mi from Kern county line
869
Comment
RSA152169
Monolopia lanceolata
G. Thomas Robbins, Rimo Bacigalupi
1952-4-20
3458
San Luis Obispo
Southernmost end of Carrizo Plain, just before descent into Cuyama Valley, about 4 miles from Kern County line
869
Comment
JEPS4776
Monolopia major
G. Thomas Robbins
1940-3-16
282
Alameda
near Alameda-San Joaquin Co. line; Corral Hollw
259
Comment
UC1084430
Monolopia major
G. Thomas Robbins
1940-3-16
282
Alameda
near Alameda-San Joaquin County lines; Corral Hollow
259
Comment
JEPS8041
Monoptilon bellioides
G. Thomas Robbins with R. Bacigalupi, L. Constance, G. W. Gillett, and L. R. Heckard
1952-5-1
3486
Inyo
8.8 mi s Shoshone; McLain Park
426
Comment
JEPS7969
Montia fontana
G. Thomas Robbins, Peter H. Raven
1954-7-27
3637
Tulare
Sequoia National Park, Crabtree Meadows Crabtree Meadows; Sequoia National Park, Crabtree Meadows
3139
Comment
CAS-BOT-BC444828
Montia fontana
G. Thomas Robbins
1945-5-27
1962
El Dorado
Along South Fork Webber Creek ca. 2 mi., e. of Newtown
762
Comment
UC746848
Montia parvifolia
G. Thomas Robbins
1944-6-18
1725
El Dorado
along Camp Creek near road to Capps Crossing; Camp Creek
1219
Comment
UC746854
Montia parvifolia
G. Thomas Robbins
1944-7-30
1817
El Dorado
about 1/4 mi w of Rockbound Pass (Desolation Valley Wilderness Area); Desolation Valley Wilderness Area
2590
Comment
JEPS15550
Muhlenbergia filiformis
G. Thomas Robbins with L. R. Heckard
1956-7-25
3707
Colusa
in meadow along trail due s Snow Mt. East (skirting eastern base of ridge forming Snow Mt. West)
1981
Comment
JEPS25104
Muilla maritima
G. Thomas Robbins
1959-4-11
3979
Alameda
field about 1/4 mi n west end of Depot Road (adjacent to (just e of) the American Salt Co. evaporating ponds along shore of bay, about 1 3/4 mi nw of Mt. Eden and 3/4 mi s of Russell); shore of San Francisco Bay
1
Comment
UC1057459
Muilla maritima
G. Thomas Robbins
1937-4-11
100
San Mateo
near Spring Valley Lakes, along road to Woodside
Comment
JEPS7800
Muilla maritima
G. Thomas Robbins and Rimo Bacigalupi
1952-4-25
3460
Kern
along State Hwy near base of Pyramid Hills (s of Devils Den, near junction with Kern Co. route 116, nw corner of county)
146
Comment
JEPS23885
Myosotis discolor
G. Thomas Robbins
1937-5-23
198
Sonoma
ca. 10 mi. w. Santa Rosa (marsh on Pitkin Ranch); Vine Hill region, Pitkin Ranch
Comment
UC747593
Myosotis discolor
G. Thomas Robbins
1945-5-27
1963
El Dorado
3 - 4 mi. e. Newtown (meadow near S. Fork Webber Creek)
762
Comment
CAS-BOT-BC101802
Myrica hartwegii
G. Thomas Robbins
1945-6-17
1983
El Dorado
along Camp Creek, near Baltic Peak
1036
Comment
SBBG65096
Nama demissa
J. R. and R. C. Robbins
1930-3-29
Los Angeles
Antelope Valley
Comment
SD45202
Nama demissa var. demissa
G. Thomas Robbins
1950-4-2
3308
Kern
Red Rock Canyon near The Temple, ca. 1.0 mile south of Ricardo.
762
Comment
RSA46772
Nasturtium officinale
G. Thomas Robbins
1944-5-16
1610
El Dorado
N Fork Webber Creek, 3 miles E of Camino
915
Comment
JEPS16140
Navarretia atractyloides
G. Thomas Robbins with John Dawson and Bob Ornduff
1956-10-6
3790
Monterey
about 1 mi below U. S. Forest Service China Camp Ground (Miller Canyon (headwaters of Miller Fork of Carmel River)); Santa Lucia Range, Miller Canyon, Miller Fork of Carmel Rive
1158
Comment
JEPS15007
Navarretia divaricata
G. Thomas Robbins
1944-6-11
1672
El Dorado
203 mi ne Riverton (along Ice House Road)
1219
Comment
UC913456
Navarretia divaricata
G. Thomas Robbins
1944-6-11
1672
El Dorado
Ice House, 2-3 miles northeast of Riverton.
Comment
UC913462
Navarretia divaricata
G. Thomas Robbins
1943-6-13
1162 -B
El Dorado
near Park Creek road jct with Plum Creek and Hazel Valley roads (along Park road)
1219
Comment
UC913463
Navarretia divaricata subsp. vividior
G. Thomas Robbins
1945-6-30
2015
El Dorado
0.1 mi n Rescue (along Deer Valley Road)
396
Comment
JEPS15006
Navarretia filicaulis
G. Thomas Robbins
1943-6-22
1209
El Dorado
3 mi e Placerville (at w edge of Institute Of Forest Genetics)
792
Comment
SEINET197485
Navarretia filicaulis
G. Thomas Robbins
1943-6-22
1209
El Dorado
At eastern edge of Institute of Forest Genetics, 3 miles east of Placerville
792
Comment
SEINET8729364
Navarretia filicaulis
G. Thomas Robbins
1943-1
1209
El Dorado
At western edge of Institute of Forest Genetics, 3 miles east of Placerville
Comment
UC913409
Navarretia intertexta
G. Thomas Robbins
1943-6-5
1126
El Dorado
ca 3 mi e Camino (canyon slope above North Fork Webber Creek)
1005
Comment
RSA77960
Navarretia intertexta
G. Thomas Robbins
1943-6-2
1108
El Dorado
East and above Smith Flat
762
Comment
RSA98662
Navarretia intertexta
G. Thomas Robbins
1943-6-5
1126
El Dorado
Above North Fork Webber Creek, ca. 3 mi. E of Camino
1006
Comment
RSA98663
Navarretia intertexta
G. Thomas Robbins
1944-7-6
1760
El Dorado
Sly Park, 5 mi. S of Pollock Pines
976
Comment
UC913382
Navarretia intertexta subsp. propinqua
G. Thomas Robbins
1945-9-24
2148
Lassen
along Susanville to Pittville highway; Lassen National Forest
1737
Comment
RSA84881
Navarretia leptalea
G. Thomas Robbins
1943-7-18
1271
El Dorado
Sly Park, along Pleasant Valley Road
915
Comment
UC1008645
Navarretia leptalea subsp. leptalea
G. Thomas Robbins
1944-7-30
1821
El Dorado
about 2 mi n Wrights Lake (on rocky slope along Willow Flat trail); n of Wrights Lake, along Willow Flat trail
2438
Comment
UC747613
Navarretia leptalea subsp. leptalea
G. Thomas Robbins
1943-7-18
1271
El Dorado
along Pleasant Valley Road near Sly Park; near Sly Park
914
Comment
UC631637
Navarretia leucocephala subsp. bakeri
G. Thomas Robbins
1937-5-23
186
Sonoma
near Wright School
Comment
JEPS15701
Navarretia linearifolia subsp. linearifolia
G. Thomas Robbins
1956-9-9
3755
Alpine
1/2 to 3/4 mi due w, above State Highway 88, lower southerly slopes of Red Lake Peak Carson Pass; lower, southerly slopes of Red Lake Peak
2651
Comment
UCR143529
Navarretia prolifera
G. Thomas Robbins
1943-6-13
1162 -
El Dorado
Sierra Nevada Mtns., along Park Creek Road near junction with Plum Creek and Hazel Valley roads (at General Land Office Survey Marker); extreme eastern boundary of Placerville [15'] Q.
1220
Comment
SEINET8729369
Navarretia prolifera
G. Thomas Robbins
1943-1
1111
El Dorado
At Civilian Conservation Corps Camp Snowline, 3 miles east of Camino, altitude 3400 feet.
1036
Comment
SEINET8729371
Navarretia prolifera
G. Thomas Robbins
1943-1
1112
El Dorado
Eddy Arboretum, Institute of Forest Genetics, 3 miles east of Placerville
823
Comment
CAS-BOT-BC230529
Navarretia prolifera subsp. lutea
G. Thomas Robbins
1943-6-3
1112
El Dorado
Institute of Forest Genetics, 3 miles E of Placerville, Eddy Arboretum
822
Comment
CAS-BOT-BC230531
Navarretia prolifera subsp. lutea
G. Thomas Robbins
1943-6-2
1111
El Dorado
At Civilian Conservation Corps Camp Snowline, 3 miles E of Camino
1036
Comment
JEPS30773
Navarretia prolifera subsp. lutea
G. Thomas Robbins
1943-6-3
1112
El Dorado
about 3 mi e Placerville; Institute of Forest Genetics Arboretum
822
Comment
JEPS6654
Navarretia prolifera subsp. lutea
G. Thomas Robbins
1932-6-2
1111
El Dorado
3 mi e Camino (at Civilian Conservation Corps Camp Snowline)
1036
Comment
RSA77957
Navarretia prolifera subsp. lutea
G. Thomas Robbins
1944-6-14
1686
El Dorado
Institute of Forest Genetics, 3 miles east of Placerville
823
Comment
SEINET196556
Navarretia prolifera subsp. lutea
G. Thomas Robbins
1943-6-3
1112
El Dorado
Insitute of Forest Genetics, 3 miles E of Placerville.
823
Comment
SEINET197486
Navarretia prolifera subsp. lutea
G. Thomas Robbins
1943-6-2
1111
El Dorado
Civilian Conservation Corps Camp Snowline, 3 miles east of Camino.
Comment
UC1008719
Navarretia prolifera subsp. lutea
G. Thomas Robbins
1942-9-23
914
El Dorado
3 mi e Placerville (at Institute of Forest Genetics)
822
Comment
UC913411
Navarretia prolifera subsp. lutea
G. Thomas Robbins
1943-6-3
1112
El Dorado
about 3 mi e Placerville (Eddy Arboretum, Institute of Forest Genetics)
822
Comment
UC913472
Navarretia prolifera subsp. lutea
G. Thomas Robbins
1943-6-2
1111
El Dorado
3 mi e Camino (at C.C.C. Camp Snowline)
1036
Comment
RSA98664
Navarretia prolifera subsp. lutea
G. Thomas Robbins
1943-6-13
1162 -a
El Dorado
Along Park Creek Road near jct with Plum Creek and Hazel Valley roads (at General Land Office Survey Marker); extreme eastern boundary of Placerville quad.
1220
Comment
RSA98676
Navarretia prolifera subsp. lutea
G. Thomas Robbins
1943-6-2
1111
El Dorado
3 miles east of Camino
1037
Comment
CAS-BOT-BC233558
Navarretia prolifera subsp. prolifera
G. Thomas Robbins
1944-7-6
1759
El Dorado
Along Iron Mountain Road, about 0.5 mile NE of Sly Park
975
Comment
JEPS8063
Navarretia pubescens
G. Thomas Robbins and Lawrence R. Heckard
1953-5-30
3546
Tulare
5 mi nw Milo junction (slopes of Blue Ridge); Blue Ridge
731
Comment
CAS-BOT-BC233597
Navarretia pubescens
G. Thomas Robbins
1943-5-29
1104
El Dorado
W edge, Institute of Forest Genetics, 3 miles E of Placerville
731
Comment
JEPS8056
Navarretia pubescens
G. Thomas Robbins and Lawrence R. Heckard
1953-5-29
3529
Santa Clara
9.4 mi e Hollister Junction (and w of summit of Pacheco Pass, slope above State Highway 152)
182
Comment
RSA77956
Navarretia pubescens
G. Thomas Robbins
1943-5-29
1104
El Dorado
Institute of Forest Genetics, 3 miles east of Placerville.
732
Comment
UCD48685
Navarretia squarrosa
G. Thomas Robbins
1940-6-3
331
San Francisco
Sandy waste places in Golden Gate Park, San Francisco, San Francisco County.
Comment
UC913408
Navarretia viscidula
G. Thomas Robbins
1944-6-15
1691
El Dorado
2-3 mi e Placerville (along U.S. Highway 50)
762
Comment
SEINET10464814
Nemacladus capillaris
Robbins
1943-6-13
ROBBINS 1169
El Dorado
Along Park Creek road west of its junction with the Plum Creek and Hazel Valley roads
1219
Comment
UC907677
Nemacladus capillaris
G. Thomas Robbins
1943-6-13
1169
El Dorado
w of Park Creek rd junction with Plum Creek and Hazel Valley rds (along Park Creek rd)
1219
Comment
SEINET10972228
Nemacladus glanduliferus var. orientalis
Robbins
1952-4-27
ROBBINS 3472
San Bernardino
On lava flow at south base of Mt. Pisgah Crater, about 14 miles west of Ludlow, Mojave Desert
640
Comment
JEPS5244
Nemacladus orientalis
G. Thomas Robbins with Lincoln Constance, George Gillett
1952-4-27
3472
San Bernardino
14 mi w Ludlow (s base of Mt. Pisgah Crater); Mojave Desert, Mt. Pisgah Crater
640
Comment
SD51623
Nemacladus orientalis
G. Thomas Robbins, Lincoln Constance, George Gillett
1952-4-27
3472
San Bernardino
Southbase of Mount Pisgah Crater, Ca. 14 miles west of Ludlow, Mojave Desert
640
Comment
JEPS7689
Nemacladus rubescens
G. Thomas Robbins and Rimo Bacigalupi
1952-4-19
3428
San Bernardino
about 10 mi e Cronese, Cronese Valley (along U.S. Highway 91); Mohave Desert
365
Comment
SD51686
Nemacladus rubescens
G. Thomas Robbins, R. Bacigalupi, L. Constance, et al.
1952-5-1
3488 A
Inyo
McLain Park, 8.8 miles south of Shoshone.
424
Comment
SD51764
Nemacladus rubescens
G. Thomas Robbins, Rimo Bacigalupi
1952-4-19
3428
San Bernardino
Ca. 10 miles east of Cronese (Cronese Valley), along U. S. Highway 91, Mohave Desert.
365
Comment
OBI20998
Nemacladus sigmoideus
G. T. Robbins, G. T. Robbins
1954-5-31
4528
Kern
At N end of Walker Basin, at crossing of rd to Havilah
1036
Comment
JEPS7676
Nemacladus sigmoideus
G. Thomas Robbins with R. Bacigalupi, L. Constance, G. W. Gillett, and L. R. Heckard
1952-5-1
3488 C
Inyo
8.8 mi s Shoshone; McLain Park
426
Comment
UC698015
Nemophila heterophylla
G. Thomas Robbins
1943-4-10
986
El Dorado
3 mi e Camino (Canyon slope of North Fork Webber Creek); North Fork Webber Creek, e of Camino
975
Comment
UC698014
Nemophila heterophylla
G. Thomas Robbins
1943-3-27
970
El Dorado
western edge of Institute of Forest Genetics arboretum Institute of Forest Genetics arboretum
792
Comment
UC747463
Nemophila heterophylla
G. Thomas Robbins
1943-3-27
970
El Dorado
above Smith Flat (near spring at western edge of Institute of Forest Genetics); western edge Institute of Forest Genetics, Smith Flat
792
Comment
UC700282
Nemophila maculata
G. Thomas Robbins
1943-6-13
1172
El Dorado
ca 2 mi w Park Creek (along road to Park Creek); w of Park Creek
1219
Comment
UC700316
Nemophila maculata
G. Thomas Robbins
1945-4-22
1851
El Dorado
2 - 2 1/2 mi e Shingle Springs; e of Shingle Springs
457
Comment
UC700319
Nemophila maculata
G. Thomas Robbins
1944-6-17
1713
El Dorado
along US Highway 50 ca 1 mi e Strawberry; e of Strawberry
1981
Comment
UC747482
Nemophila maculata
G. Thomas Robbins
1945-4-22
1851
El Dorado
2 - 2 1/2 mi e Shingle Springs; e of Shingle Springs
457
Comment
UC747483
Nemophila maculata
G. Thomas Robbins
1944-6-17
1713
El Dorado
along US Highway 50 ca 1 mi e Strawberry; e of Strawberry
1981
Comment
RSA32391
Nemophila maculata
G. Thomas Robbins
1945-4-22
1851
El Dorado
2-2.5 miles east of Shingle Springs.
457
Comment
UC1057474
Nemophila menziesii
G. Thomas Robbins
1940-3-21
289
Sonoma
2-3 mi se Windsor (Pleasant Avenue Road and Chalk Hill Road); se of Windsor
91
Comment
UC700287
Nemophila pedunculata
G. Thomas Robbins
1943-4-1
978
El Dorado
3 mi e Camino (above North Fork Webber Creek); , e of Camino
1036
Comment
UC747567
Nicotiana acuminata var. multiflora
G. Thomas Robbins
1943-5-28
1094
El Dorado
3 mi e Placerville (immediately w of Institute of Forest Genetics)
762
Comment
POM181662
Nicotiana glauca
L. F. Robbins
1927-6-5
s.n.
Yolo
Near Winters.
Comment
JEPS7768
Nicotiana obtusifolia
G. Thomas Robbins
1952-4-29
3478
San Bernardino
s of and above Gilroy Canyon (e Mohave Desert); Mohave Desert, Providence Mountains
Comment
UC746857
Nuphar lutea subsp. polysepala
G. Thomas Robbins
1943-9-5
1393
El Dorado
2-3 mi nw of Glen Alpine Springs (along Tahoe-Yosemite Trail); Tahoe-Yosemite Trail
2286
Comment
UC1084399
Nuttallanthus texanus
G. Thomas Robbins
1937-4-17
132
Contra Costa
near Point Richmond
Comment
CAS-BOT-BC140163
Oemleria cerasiformis
G. Thomas Robbins
1944-4-2
1493
El Dorado
Above North Fork Webber Creek, ca. 3 mi. e. of Camino
914
Comment
UC747263
Oemleria cerasiformis
G. Thomas Robbins
1944-4-2
1493
El Dorado
ca 3 mi e Camino (thickets above North Fork Webber Creek)
914
Comment
UCSB2828
Oemleria cerasiformis
Robbins, G.
1940-3-10
Contra Costa
North slope of Grizzly Peak, Berkeley Hills
426
Comment
JEPS21972
Oenanthe sarmentosa
G. Thomas Robbins
1958-5-30
3845
Alameda
ca. halfway between Mills College and Oak Knoll Naval Hospital Oakland (along Mountain Blvd.)
91
Comment
UC1084460
Oenanthe sarmentosa
G. Thomas Robbins
1937-6-5
222
Sonoma
ca. 10 mi. w. Santa Rosa (Marsh on Pitkin Ranch, Vine Hill Region); Vine Hill region, Marsh on Pitkin Ranch
Comment
UCD106788
Oenothera californica
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
SBBG61311
Oenothera deltoides
R. C. and J. R. Robbins
1933-2-16
Riverside
Palm Springs-Indio Rd, near La Quinta
Comment
UC1084504
Oenothera deltoides subsp. howellii
G. Thomas Robbins
1940-5-19
325
Contra Costa
cliffs above river e Antioch; San Joaquin River
Comment
SD165174
Olea europaea
Jolynn Robbins
2004-7-5
21
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
JEPS7978
Oreonana clementis
G. Thomas Robbins and Peter H. Raven
1954-7-22
3627
Tulare
n.e. side Mt. Guyot (a short distance above timberline, Sequoia Nat'l Park); Sequoia Nat'l Park, Mt. Guyot
3505
Comment
UC747068
Orobanche bulbosa
G. Thomas Robbins
1945-5-20
1929
El Dorado
above Sweetwater Creek (near Simpson's Ranch)
182
Comment
CAS-BOT-BC502756
Orobanche bulbosa
G. Thomas Robbins
1945-5-27
1952
El Dorado
Along Camino-Pleasant Valley road, about 1.5 mi N of Pleasant Valley
762
Comment
JEPS7452
Orobanche cooperi
G. Thomas Robbins, Rimo Bacigalupi
1952-4-19
3427
San Bernardino
about 4 mi w of Baker (along U.S. Highway 91, Mohave Desert); Mohave Desert
335
Comment
JEPS15583
Orobanche corymbosa subsp. corymbosa
G. Thomas Robbins
1956-9-9
3753
Alpine
Above State Highway 88, about one-half mile west of Carson Pass.
Comment
CAS-BOT-BC499856
Orobanche fasciculata
G. Thomas Robbins
1944-5-24
1632
El Dorado
Near eastern boundary of Institute of Forest Genetics, 3 mi E of Placerville
762
Comment
CAS-BOT-BC502927
Orobanche ramosa
G. Thomas Robbins; Rimo Bacigalupi
1955-9-26
3663
Alameda
About 1/4 mi S of Lowry Rd and Alameda Creek, about 2 mi (air) SE of Alvarado
Comment
UC747029
Orobanche uniflora subsp. occidentalis
G. Thomas Robbins
1944-5-21
1614
El Dorado
On east-facing Canyon slope of North Fork Webber Creek, about 3 miles E of Camino.
Comment
UC747658
Orthilia secunda
G. Thomas Robbins
1945-8-5
2092
El Dorado
Lodgepole Pines near Rubicon Springs
1828
Comment
JEPS15579
Orthocarpus cuspidatus subsp. cryptanthus
G. Thomas Robbins
1956-9-9
3758
Alpine
above State Highway 88, 1/2 to 3/4 of a mi due w Carson Pass (lower, southerly slopes of Red Lake Peak); southerly slopes Red Lake Peak, w of Carson Pass
2651
Comment
RSA102191
Orthocarpus lithospermoides
G. Thomas Robbins
1945-5-20
1921
El Dorado
Along Placerville - Rescue Road. 3 mi E of Rescue.
457
Comment
JEPS14589
Osmorhiza berteroi
G. Thomas Robbins
1956-5-10
3691
Alameda
grassy slope in park w of Life Sciences Building; Berkeley, University of California campus
Comment
JEPS15678
Osmorhiza berteroi
G. Thomas Robbins
1956-9-14
3781
El Dorado
along US Hwy 50 about 1/2 mi nw Echo Summit
2225
Comment
UC746893
Oxyria digyna
G. Thomas Robbins
1943-9-5
1375
El Dorado
summit of Mt. Tallac
2956
Comment
JEPS5161
Oxystylis lutea
G. T. Robbins and Rimo Bacigalupi with L. R. Heckard
1952-5-1
3483
San Bernardino
ca. 10 mi. s. Ibex Pass summit (along CA Hwy. 127, near crossing over Amargosa R.)
Comment
UC964809
Paeonia californica
G. Thomas Robbins
1950-5-14
3354
Monterey
slope above CA Hwy 1 about 5 mi s Hunter Light (between Lucia and Big Sur)
152
Comment
UCD134899
Palafoxia arida
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
JEPS19004
Panicum miliaceum
G. Thomas Robbins
1957-10-19
3807
Alameda
on Addison St. near the corner Milvia St.; Berkeley
Comment
JEPS22011
Parapholis incurva
G. Thomas Robbins
1958-6-14
3869
Alameda
sw Newark (near the end of Willow Road along the road leading w to Plummer Landing)
3
Comment
UC907634
Parapholis incurva
G. Thomas Robbins with J. T. Howell
1945-5-9
1888
Marin
about 1/2 mi n Ignacio
0
Comment
UCD88681
Parapholis incurva
G. Thomas Robbins
1958-6-14
3869
Alameda
near the end of Willow Road, along the road leading west to Plummer Landing, southwest of Newark.
3
Comment
RSA505366
Paspalum dilatatum
G. Thomas Robbins
1955-7-15
5299
Glenn
U. S. Highway 99W, 7.5 miles south of Orland, 1.5 miles north of Artois
52
Comment
JEPS25270
Paspalum distichum
G. Thomas Robbins
1959-9-6
4157
Alameda
in the bed of Alameda Creek on West Alquire Road near Valle Vista Bridge (1.6 mi sw of Mission Blvd. (State Highway 9)); sw of Mission Bay, bed of Alameda Creek
Comment
UCD81571
Paspalum distichum
W. W. Robbins
1927-10-1
837
Sacramento
Walnut Grove.
Comment
UCD134921
Pectis papposa var. papposa
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
JEPS8060
Pectocarya anisocarpa
G. Thomas Robbins and Rimo Bacigalupi
1952-4-20
3450
San Luis Obispo
16 mi n-nw Kern County line; Elkhorn Plain
731
Comment
SBBG79039
Pectocarya linearis subsp. ferocula
R. C. and J. R. Robbins
1922-3-28
Santa Barbara
Santa Cruz Island
Comment
SD185599
Pectocarya linearis subsp. ferocula
Jolynn Robbins
2006-4-9
50
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
UCD120143
Pectocarya platycarpa
W. W. Robbins
1939-12-24
s.n.
San Diego
southeastern part of county.
Comment
UC1084353
Pedicularis densiflora
G. Thomas Robbins
1937-3-25
10
Sonoma
8-10 mi e of Santa Rosa; Santa Rosa Creek Canyon
Comment
UC964850
Pellaea bridgesii
G. Thomas Robbins
1943-7-25
1312
El Dorado
above Tamarack Lake (along Desolation Valley trail)
2286
Comment
UC747108
Penstemon heterodoxus
G. Thomas Robbins
1943-7-25
1306
El Dorado
about 2 mi nw Echo Lake (along Desolation Valley Trail); along Desolation Valley trail, nw of Echo Lake
2438
Comment
JEPS25168
Penstemon newberryi var. newberryi
G. Thomas Robbins
1959-6-10
4040
Siskiyou
about one mi n of highway summit on U.S. 99 between Mt. Shasta and Weed (on w side of Black Butte); w side of Black Butte, btw Mt. Shasta (town) and Weed
1188
Comment
JEPS15552
Penstemon purpusii
G. Thomas Robbins with L. R. Heckard
1956-7-25
3709
Colusa
above Dark Hollow Creek (a trib. of Middle Fork Stony Creek, along trail due s of Snow Mt. East, at lower edge of cirque between Snow Mt. West and Snow Mt. East); Snow Mt. East, Dark Hollow Crk trib. Middle Fork Stony Creek
1981
Comment
SBBG66609
Penstemon roezlii
J. R. and R. C. Robbins
1932-7-14
Mariposa
Chinquapin to Glacier Point
Comment
SBBG66520
Penstemon speciosus
R. C. Robbins
1932-7-18
El Dorado
W side of Lake Tahoe
Comment
SD187812
Peritoma arborea var. arborea
Jolynn Robbins
2006-4-9
36
San Diego
Damon Lane County Park in south El Cajon. N of the intersection of Fury Ln and Wieghorst Way.
68
Comment
UCD134913
Perityle emoryi
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UCD99524
Persicaria lapathifolia
W. W. Robbins; S. W. Winter
Date Unknown
782
Sutter
Sutter Basin.
Comment
UCD117312
Petalonyx thurberi
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
SBBG65069
Phacelia
J. R. and R. C. Robbins
1930-3-29
Los Angeles
Antelope Valley
Comment
JEPS25156
Phacelia californica
G. Thomas Robbins with John Weiler
1959-5-23
4027
Contra Costa
flats on w side San Francisco Bay, Richmond, Brooks Island
Comment
UC1084364
Phacelia californica
G. Thomas Robbins
1937-3-26
28
Sonoma
w Bodega (along hwy to Bodega Bay)
Comment
OBI13844
Phacelia californica
G. Thomas Robbins, John Weiler
1959-5-23
4027
Contra Costa
On W side of Brooks Island, San Francisco Bay, Richmond
Comment
JEPS21994
Phacelia ciliata var. ciliata
G. Thomas Robbins
1958-4-19
3815
Alameda
field along Depot Rd just e junction with Clawiter Rd. (about 1/6 mi n of Mt. Eden Sta.)
7
Comment
JEPS7465
Phacelia ciliata var. ciliata
G. Thomas Robbins and Rimo Bacigalupi
1952-4-20
3452
San Luis Obispo
23.5 mi n Kern County line; Elkhorn Plain
731
Comment
OBI13839
Phacelia ciliata var. ciliata
G. Thomas Robbins
1958-4-19
3815
Alameda
Along Depot Rd, just e of jctn of Clawiter Rd and about 1/6 mi N of Mt Eden Sta
8
Comment
UCD120424
Phacelia distans
L. F. Robbins
1929-3-27
s.n.
Riverside
Near Banning.
Comment
JEPS7466
Phacelia fremontii
G. Thomas Robbins and Rimo Bacigalupi
1952-4-20
3449
San Luis Obispo
16 mi nnw Kern Co. line; Elkhorn Plain
731
Comment
RSA152170
Phacelia fremontii
G. Thomas Robbins, R. C. Bacigalupi
1952-4-20
3449
San Luis Obispo
On Elkhorn Plain, 16 miles north-northwest of Kern county line.
732
Comment
SBBG64932
Phacelia fremontii
J. R. and R. C. Robbins
1930-3-28
Kern
Kern Valley
Comment
SD45365
Phacelia fremontii
G. Thomas Robbins
1950-4-7
3324
Inyo
About 5 miles south of Lone Pine, in Larrea divaricata plain.
1067
Comment
UC697977
Phacelia hastata subsp. compacta
G. Thomas Robbins
1943-9-5
1377
El Dorado
summit Mt. Tallac
2956
Comment
UC700318
Phacelia hastata subsp. compacta
G. Thomas Robbins
1945-7-8
2042
El Dorado
near Al Tahoe; Lave Valley
1920
Comment
UC747468
Phacelia hastata subsp. compacta
G. Thomas Robbins
1943-9-5
1377
El Dorado
near summit Mt. Tallac
2956
Comment
UCD120600
Phacelia imbricata
W. W. Robbins
1926-4-17
511
Nevada
Grass Valley.
Comment
UC697976
Phacelia imbricata
G. Thomas Robbins
1943-5-28
1095
El Dorado
3 mi e Placerville (w edge of Institute); Institute of Forest Genetics
762
Comment
UC747025
Phacelia imbricata
G. Thomas Robbins
1943-5-28
1095
El Dorado
3 mi e Placerville (w edge of Institute); Institute of Forest Genetics
762
Comment
UC698045
Phacelia mutabilis
G. Thomas Robbins
1943-6-7
1134
El Dorado
slope above river near China Flat (Sacramento Box Sawmill) (ca 4 mi s of Kyburg); Silver Fork American River
1371
Comment
UC697960
Phacelia mutabilis
G. Thomas Robbins
1943-7-25
1311
El Dorado
along Desolation Valley trail above Tamarack Lake
2286
Comment
JEPS8069
Phacelia purpusii
G. Thomas Robbins and Lawrence R. Heckard
1953-5-31
3555
Tulare
along State Hwy 65 0.6 mi sw Badger
914
Comment
UC700284
Phacelia purpusii
G. Thomas Robbins
1945-6-23
2007
El Dorado
ca 3 mi e Camino (canyon slope above creek); North Fork Webber Creek
975
Comment
UC701990
Phacelia quickii
G. Thomas Robbins
1946-1
1707
Alameda
in greenhouse Berkeley
Comment
GH401023
Phacelia ramosissima
G. T. Robbins
1945-8-12
2141
Unknown
slopes west of High Meadow along trail to Freel Peak, SW of Lake Tahoe
2286
Comment
CAS-BOT-BC154394
Phacelia ramosissima var. eremophila
G. Thomas Robbins
1944-7-28
1787
El Dorado
along Willow Flat Trail ca. 1/4 mi. w. of Rockbound Pass
2438
Comment
CAS-BOT-BC154392
Phacelia ramosissima var. eremophila
G. Thomas Robbins
1945-8-12
2141
El Dorado
west of High Meadow along trail to Freel Peak, SE of Lake Tahoe
2286
Comment
CAS-BOT-BC154393
Phacelia ramosissima var. eremophila
G. Thomas Robbins
1944-7-28
1772
El Dorado
along Willow Flat Trail at Willow Flat, ca. 3 mi. NE of Wrights Lake
2286
Comment
JEPS15697
Phacelia ramosissima var. montereyensis
G. Thomas Robbins
1956-9-9
3760
Alpine
above State Hwy 88 1/2 to 3/4 mi due w Carson Pass (lower s slopes of mt.); Red Lake Peak
2651
Comment
UC700286
Phacelia ramosissima var. ramosissima
G. Thomas Robbins
1944-7-28
1787
El Dorado
along Willow Flat Trail ca 1/4 mi w Rockbound Pass
2438
Comment
UC700301
Phacelia ramosissima var. ramosissima
G. Thomas Robbins
1944-7-28
1772
El Dorado
ca 3 mi ne Wrights Lake (along Willow Flat Trail); Willow Flat
2286
Comment
UC747478
Phacelia ramosissima var. ramosissima
G. Thomas Robbins
1944-7-28
1787
El Dorado
along Willow Flat Trail ca 1/4 mi w Rockbound Pass
2438
Comment
UC700313
Phacelia ramosissima var. subglabra
G. Thomas Robbins
1945-8-12
2141
El Dorado
slopes w High Meadow (along trail to Freel Peak, sw of Lake Tahoe)
2286
Comment
UC747466
Phacelia ramosissima var. subglabra
G. Thomas Robbins
1945-8-12
2141
El Dorado
slopes w High Meadow (along trail to Freel Peak, sw of Lake Tahoe)
2286
Comment
SD45363
Phacelia vallis-mortae
G. Thomas Robbins
1950-4-2
3305
Kern
Along U.S. Highway 6 near and south of Freeman Junction, on Larrea divaricata plain.
1006
Comment
UC907655
Phalaris lemmonii
G. Thomas Robbins with J. T. Howell
1945-5-9
1875
Marin
1/2 mi n Hamilton Field Air Base; n of Hamilton Field Air Base
0
Comment
UC907648
Phleum pratense
G. Thomas Robbins
1944-7-6
1756
El Dorado
5 mi s Pollock Pines; Sly Park Meadow
1005
Comment
UC747629
Phlox douglasii subsp. rigida
G. Thomas Robbins
1943-7-25
1289
El Dorado
above Medley Lakes (reservoir); Desolation Valley Wilderness Area
2590
Comment
UC747603
Phlox speciosa
G. Thomas Robbins
1944-5-28
1644
El Dorado
4-5 mi nw Pollock Pines (along road to powerhouse)
914
Comment
JEPS7958
Phlox speciosa subsp. occidentalis
G. Thomas Robbins
1953-5-8
3527
Calaveras
2.5 mis West Point (near Sandy Gulch)
792
Comment
UC1008644
Phlox speciosa subsp. occidentalis
G. Thomas Robbins
1943-6-20
1203
El Dorado
4-5 mi nw Pollock Pines (along road to powerhouse)
914
Comment
RSA114104
Phlox speciosa subsp. occidentalis
G. Thomas Robbins
1944-5-28
1644
El Dorado
Along road to powerhouse, 4 to 5 miles northwest of Pollock Pines
915
Comment
CAS-BOT-BC135135
Phoradendron juniperinum
G. Thomas Robbins
1944-10-27
1836
El Dorado
at Institute of Forest Genetics, 3 mi E of Placerville
822
Comment
GH355049
Phoradendron juniperinum
G. T. Robbins
1945-8-5
2096
Unknown
along Georgetown Road, 4-5 miles east of Wentworth Springs
1981
Comment
SEINET3857118
Phoradendron juniperinum
G. Thomas Robbins
1945-8-5
2096
El Dorado
Along Georgetown Road, 4-5 miles E of Wentworth Springs
1981
Comment
UC746873
Phoradendron juniperinum
G. Thomas Robbins
1945-8-5
2096
El Dorado
4 - 5 mi. e. Wentworth Springs (along Georgetown Rd.)
1981
Comment
GH355064
Phoradendron juniperinum var. libocedri
G. T. Robbins
1944-10-27
1836
Unknown
Institute of Forest Genetics 3 miles east of Placerville
822
Comment
UC746881
Phoradendron libocedri
G. Thomas Robbins
1944-10-27
1836
El Dorado
3 mi. e. Placerville (Institute of Forest Genetics); Institute of Forest Genetics
822
Comment
CAS-BOT-BC141256
Phoradendron serotinum subsp. tomentosum
G. Thomas Robbins
1943-10-28
1404
El Dorado
along US Highway 50, 3 mi E of Placerville
762
Comment
UC746872
Phoradendron villosum
G. Thomas Robbins
1943-10-28
1404
El Dorado
along U.S. Hwy. 50 3 mi. e. Placerville
762
Comment
RSA127372
Phoradendron villosum
G. Thomas Robbins
1943-12-24
1465
Marin
On Big Rock Ridge, ca 2 mi W of Hamilton Field Air Base.
457
Comment
UCD81568
Phyla nodiflora var. reptans
W. W. Robbins; W. D. Norton
1928-8-1
1422
Yolo
near Clarksburg.
Comment
CAS-BOT-BC140542
Physocarpus capitatus
G. Thomas Robbins
1943-6-29
1238
El Dorado
Along North Fork Webber Creek, ca. 3 mi. e. of Camino
914
Comment
UC746994
Physocarpus capitatus
G. Thomas Robbins
1943-6-29
1238
El Dorado
ca 3 mi e of Camino (along N Fork Webber Creek)
914
Comment
UC1101610
Pilularia americana
G. Thomas Robbins and S. Galen Smith
1950-4-15
1905
Colusa
Bear Valley
Comment
A246904
Pinus albicaulis
G. T. Robbins
1944-7-29
1809
Unknown
Summit of ridge connecting Red Peak and Silver Peak, Desolation Valley Wilderness Area
2743
Comment
UC747602
Pinus albicaulis
G. Thomas Robbins
1945-7-1
2027
El Dorado
above Smith Lake about 3 mi e Wrights Lake; Crystal Range
2743
Comment
CAS-BOT-BC78281
Pinus attenuata
G. Thomas Robbins
1944-3-19
1490
El Dorado
On ridges and slopes immediately south and east of South Fork American River
914
Comment
UC747631
Pinus contorta subsp. murrayana
G. Thomas Robbins
1943-6-27
1214
El Dorado
ridge above Echo Summit Pass ca. 3/4 mi sw U.S. Highway 50
2438
Comment
A246849
Pinus contorta var. murrayana
G. T. Robbins
1943-6-27
1214
Unknown
Ridge above Echo Summit Pass, ca. 3/4 mi. sw. of U.S. Highway 50
Comment
SBBG10285
Pinus coulteri
R. C. and J. R. Robbins
1921-1
Santa Barbara
Zaca Cyn
Comment
UC747596
Pinus lambertiana
G. Thomas Robbins
1943-6-20
1192
El Dorado
near Pollock Pines (ca. 3 mi w of Forebay reservoir, along road to P. G. & E. power house)
975
Comment
CAS-BOT-BC79009
Pinus ponderosa
G. Thomas Robbins
1944-10-15
1834
El Dorado
At C.C.C. Camp Snowline, 3 mi. e. of Camino
1036
Comment
GH246887
Pinus ponderosa
G. T. Robbins
1944-10-15
1834
Unknown
At. C.C.C. Camp Snowline, 3 mi. e. of Camino
1036
Comment
UC747621
Pinus ponderosa
G. Thomas Robbins
1944-10-15
1834
El Dorado
3 mi e Camino (C. C. C. Camp Snowline)
1036
Comment
NY62305
Pinus ponderosa
G. T. Robbins
1944-10-15
1834
El Dorado
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
SEINET3353243
Pinus ponderosa
G. Thomas Robbins
1944-1
1834
El Dorado
CCC Camp Snowline, 3 mi. e. of Camino
1036
Comment
UC747597
Pinus sabiniana
G. Thomas Robbins
1944-4-30
1572
El Dorado
3-4 mi ne of Newtown (ridge above South Fork Webber Creek)
914
Comment
UC746956
Piperia unalascensis
G. Thomas Robbins
1943-6-13
1159
El Dorado
w of junction Plum Creek and Hazel Valley roads (along Park Creek Road)
1219
Comment
UC1084390
Plagiobothrys bracteatus
G. Thomas Robbins
1937-4-25
149
Contra Costa
2 mi e Alamo
Comment
UC907715
Plagiobothrys fulvus
G. Thomas Robbins
1944-5-15
1602
El Dorado
3 mi e Placerville (on hillside near Institute of Forest Genetics)
762
Comment
UCD120825
Plagiobothrys fulvus var. campestris
W. W. Robbins
1926-4-17
531
Nevada
Grass Valley.
Comment
UC1084415
Plagiobothrys nothofulvus
G. Thomas Robbins
1937-4-11
102
San Mateo
near Spring Valley Lakes (along road to Woodside)
Comment
UC747590
Plagiobothrys nothofulvus
G. Thomas Robbins
1943-3-25
967
El Dorado
3 mi e Placerville (hillside near Institute of Forest Genetics)
762
Comment
GH403978
Plagiobothrys reticulatus var. rossianorum
G. T. Robbins
1945-5-9
1876
Unknown
1/2 mi. n. of Hamilton Field Air Base
Comment
GH420143
Plagiobothrys scouleri var. penicillatus
G. T. Robbins
1945-6-17
2001
Unknown
Sly Park, 5 mi. s. of Pollock Pines
1005
Comment
UCSB5650
Plagiobothrys stipitatus
Robbins, G.
1937-4-25
Contra Costa
Along roadside; 2 miles east of Alamo
Comment
UC907712
Plagiobothrys tenellus
G. Thomas Robbins
1944-5-7
1589
El Dorado
bank along creek near Sly Park (5 mi s of Pollock Pines); Park Creek
1005
Comment
JEPS22058
Plantago coronopus
G. Thomas Robbins
1958-7-13
3899
Contra Costa
n end Berrellesa Street, Martinez; Carquinez Strait
Comment
JEPS23265
Plantago coronopus
G. Thomas Robbins with John Weiler
1959-8-5
4122
Monterey
nw of Marina (around parking area at Marina Beach); Monterey Bay, Marina Beach
15
Comment
JEPS23266
Plantago coronopus
G. Thomas Robbins with John Weiler
1959-8-5
4124
Monterey
about 1.7 mi s Carmel Highlands (2.7 mi n of Granite Canyon, along State Highway 1)
36
Comment
JEPS6357
Plantago coronopus
G. Thomas Robbins
1952-4-5
3412
Mendocino
about 4 mi se Little River; Mendocino White Plains
Comment
UCD124404
Plantago coronopus
G. Thomas Robbins
1952-4-5
3412
Mendocino
about 4 miles southeast of Litte River, Mendocino White Plains.
Comment
UCD124405
Plantago coronopus
G. Thomas Robbins; John Weiler
1959-8-5
4124
Monterey
along state Highway 1, 2.7 miles north of Granite Canyon, about 1.7 miles south of Carmel Highlands.
Comment
JEPS14638
Plantago elongata
G. Thomas Robbins
1955-6-9
3662
Alameda
Berkeley
Comment
JEPS21229
Plantago elongata
G. Thomas Robbins
1958-5-28
3840
Alameda
Berkeley
Comment
JEPS21230
Plantago elongata
G. Thomas Robbins
1958-5-28
3841
Alameda
Berkeley
Comment
JEPS21231
Plantago elongata
G. Thomas Robbins
1958-5-28
3842
Alameda
Berkeley
Comment
JEPS21232
Plantago elongata
G. T. Robbins
1958-5-29
3843
Alameda
Berkeley
Comment
JEPS21239
Plantago elongata
G. Thomas Robbins
1958-6-12
3862
Alameda
Berkeley
Comment
JEPS21240
Plantago elongata
G. Thomas Robbins
1958-6-12
3863
Alameda
Berkeley
Comment
JEPS21241
Plantago elongata
G. Thomas Robbins
1958-6-30
3885
Alameda
Berkeley
Comment
JEPS23816
Plantago elongata
G. Thomas Robbins
1959-4-11
3974
Alameda
0.75 mi s Russell (about 0.25 mi n of w end of Depot Road, just e of American Salt Co., about 1.75 mi w (and slightly n) of Mt. Eden Sta, shore of San Francisco Bay); San Francisco Bay
1
Comment
JEPS22019
Plantago elongata
G. Thomas Robbins with S. Galen Smith
1958-6-9
3860
San Mateo
.12 mi w State Highway 1 (0.5 mi n of bridge crossing Pescadero Creek)
Comment
JEPS14637
Plantago erecta
G. Thomas Robbins
1955-6-4
3660
Marin
s shore Rodeo Lagoon
Comment
JEPS21979
Plantago erecta
G. Thomas Robbins
1958-5-10
3830
Alameda
e of Oakland (along Pinehurst Road, about 0.5 mi s of summit where the road makes a sharp descent into San Leandro Creek)
213
Comment
JEPS21984
Plantago erecta
G. Thomas Robbins
1958-5-9
3825
San Francisco
w side Lake Merced Blvd. (just s of the pedestrian causeway on Lake Merced); San Francisco
7
Comment
JEPS21985
Plantago erecta
G. Thomas Robbins
1958-5-9
3825
San Francisco
w side Lake Merced Blvd. (just s of the pedestrian causeway on the lake, along the w side of Lake Merced); San Francisco
7
Comment
OBI11652
Plantago erecta
G. Thomas Robbins
1958-5-9
3825
San Francisco
Along the W side of Lake Merced Blvd. just S of the pedestrian causeway on the lake, San Francisco
8
Comment
POM181672
Plantago erecta
G. Thomas Robbins
1927-3-26
s.n.
Yolo
Canyon of Putah Creek.
Comment
UC747044
Plantago erecta
G. Thomas Robbins
1945-4-22
1840
El Dorado
2-3 mi nw Shingle Springs
457
Comment
JEPS21986
Plantago erecta
G. Thomas Robbins
1958-5-9
3824
San Francisco
0.2 mi s Lake Merced Blvd. junction with Skyline Blvd. (opposite the Pacific Rod and Gun Club, along the w side of Lake Merced, sw of Lake Merced); San Francisco
7
Comment
RSA152196
Plantago erecta
G. Thomas Robbins
1958-5-9
3824
San Francisco
Along the west side of Lake Merced Bld (opposite Pacific Rod and Gun Club), southwest of Lake Merced, 0.2 mile south of junction with Skyline Blvd, San Francisco.
8
Comment
JEPS22023
Plantago lanceolata
G. Thomas Robbins with S. Galen Smith
1958-6-2
3853
Contra Costa
just e Hercules city boundary (Franklin Canyon Road (State Highway 4)); Refugio Valley
18
Comment
JEPS22024
Plantago lanceolata
G. Thomas Robbins with S. Galen Smith
1958-6-2
3852
Contra Costa
just e Hercules city boundary (Franklin Canyon Road (State Highway 4)); Refugio Valley
18
Comment
UCD124601
Plantago lanceolata
Robbins; Raynor
1943-6-1
s.n.
Plumas
Belden.
Comment
UCD124602
Plantago lanceolata
G. Thomas Robbins; S. Galen Smith
1958-6-2
3854
Contra Costa
Along roadside just east of crossing of Hastings Slough on road between Port Chicago and Avon.
1
Comment
JEPS23267
Plantago major
G. Thomas Robbins with John Weiler
1959-8-7
4134
Monterey
just below bridge crossing State Highway 1 (between Lopez Point and Cape San Martin, bank of Mill Creek); Mill Creek
12
Comment
OBI11633
Plantago maritima
G. Thomas Robbins
1958-5-31
3846
Marin
This site was only about 10-15 yds from low, sandy clay bluffs where var. californica, see Robbins 3847, was collected. Above SW edge of Rodeo Lagoon
Comment
UCD124622
Plantago maritima
G. Thomas Robbins
1953-8-29
3617
San Mateo
Just south of the Olympic Golf Club and the San Francisco City and County line.
Comment
JEPS14368
Plantago maritima var. californica
G. Thomas Robbins
1955-6-4
3655
Marin
nw of Rodeo Lagoon
Comment
JEPS15530
Plantago maritima var. californica
G. Thomas Robbins
1956-8-18
3736
San Mateo
near mouth of Pomponio Creek
Comment
JEPS21970
Plantago maritima var. californica
G. Thomas Robbins
1958-5-31
3847
Marin
near sw edge of Rodeo Lagoon
Comment
JEPS22008
Plantago maritima var. californica
G. Thomas Robbins
1958-6-9
3872
San Mateo
about 0.5 mi s Pescadero Point (above the beach at Pebble Beach); Pebble Beach
Comment
JEPS21971
Plantago maritima var. juncoides
G. Thomas Robbins
1958-5-31
3846
Marin
sw edge Rodeo Lagoon
Comment
JEPS22064
Plantago maritima var. juncoides
G. Thomas Robbins with S. Galen Smith
1958-7-8
3893
Marin
about 300 yds sw Sir Francis Drake Highway (nw edge of Schooner Bay ( an arm of Drakes Estero), Point Reyes Peninsula); Point Reyes Peninsula, Drakes Estero, Schooner Bay
Comment
JEPS22065
Plantago maritima var. juncoides
G. Thomas Robbins with S. Galen Smith
1958-7-8
3893
Marin
about 300 yds sw Sir Francis Drake Highway (nw edge of Schooner Bay ( an arm of Drakes Estero), Point Reyes Peninsula); Point Reyes Peninsula, Drakes Estero, Schooner Bay
Comment
JEPS22091
Plantago maritima var. juncoides
G. Thomas Robbins
1958-7-19
3903
Contra Costa
about 0.75 mi s Pt. San Pablo, Potrero San Pablo, Richmond; San Francisco Bay, Pt. Orient
Comment
JEPS6472
Plantago ovata
G. Thomas Robbins
1954-7-13
3619
Alameda
Berkeley
Comment
SD51697
Plantago ovata
G. Thomas Robbins, Rimo Bacigalupi
1952-4-18
3426
San Bernardino
Just east of Baker.
280
Comment
UCD124542
Plantago ovata var. fastigiata
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
JEPS22047
Plantago subnuda
G. Thomas Robbins
1958-6-25
3880
Marin
ne of Rodeo Lagoon; Fort Cronkhite Military Reservation
91
Comment
UC565399
Plantago subnuda
G. Thomas Robbins
1937-6-5
220
Sonoma
Pitkin Ranch, Vine Hill region, about 10 miles west of Santa Rosa.
Comment
OBI11625
Plantago subnuda
G. Thomas Robbins, John Weiler
1959-8-7
4136
Monterey
Along State hwy 1, directly opp (E of) Cape San Martin, about 0.4 mi S of Willow Crk crossing, 2.5 mi S of Pacific Valley School
61
Comment
OBI11649
Plantago subnuda
G. Thomas Robbins
1958-6-25
3880
Marin
Fort Cronkhite Military Reservation N of Rodeo Lagoon
91
Comment
UC1057476
Platanthera leucostachys
G. Thomas Robbins
1937-5-23
208
Sonoma
about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill
Comment
UC746957
Platanthera sparsiflora
G. Thomas Robbins
1943-6-27
1225
El Dorado
near Echo Summit Pass
2286
Comment
UCSB2712
Platanus racemosa
Robbins, G.
1940-3-16
Alameda
bed of Corral Hollow Creek; near Tesla, at west end of Corral Hollow
213
Comment
SBBG70057
Platystemon californicus
R. C. and J. R. Robbins
1921-1
Santa Barbara
Los Olivos
Comment
UC1057447
Platystemon californicus
G. Thomas Robbins
1937-4-11
95
San Mateo
along road to Woodside near Spring Valley Lakes; near Springs Valley Lakes
Comment
SBBG70056
Platystemon californicus
J. R. and R. C. Robbins
1930-3-29
Los Angeles
upper Antelope Valley
Comment
JEPS5139
Plectritis ciliosa subsp. ciliosa
G. Thomas Robbins
1953-5-7
3515 C
Calaveras
about 2 mi s of Vallecito (on road to Columbia, on Table Mountain); Table Mountain
487
Comment
UC747031
Plectritis ciliosa subsp. ciliosa
G. Thomas Robbins
1943-4-21
1018
El Dorado
at w edge of grounds of Institute of Forest Genetics Institute of Forest Genetics
731
Comment
UC747039
Plectritis ciliosa subsp. ciliosa
G. Thomas Robbins
1944-5-12
1596
El Dorado
3 mi e of Placerville ( w of Institute of Forest Genetics)
762
Comment
JEPS14548
Plectritis macrocera
G. Thomas Robbins with Peter H. Raven
1956-4-29
3687
El Dorado
1.2 mi nw of Somerset ((Youngs), canyon of North Fork Cosumnes River, near bridge); North Fork Cosumnes River
Comment
UC747043
Plectritis macrocera
G. Thomas Robbins
1944-4-14
1529
Marin
3 mi w of Hamilton Field Air Base (near summit of Big Rock Ridge); Big Rock Ridge
304
Comment
JEPS14274
Plectritis macrocera
G. T. Robbins
3515 B
Calaveras
near Vallecito
Comment
JEPS7454
Pleuraphis rigida
G. Thomas Robbins and Rimo Bacigalupi
1952-4-19
3431
San Bernardino
along U.S. Highway 91 about one mi w Cronese, Cronese Valley; Mohave Desert
396
Comment
JEPS7455
Pleuraphis rigida
G. Thomas Robbins and Rimo Bacigalupi
1952-4-19
3432
San Bernardino
along U.S. Highway 91 about one mi w Cronese (Cronese Valley); Mohave Desert
396
Comment
UC747679
Pleuricospora fimbriolata
G. Thomas Robbins
1943-6-20
1188
El Dorado
2-3 mi w of Pollock Pines (near head of Long Canyon)
975
Comment
JEPS25103
Pleuropogon californicus
G. Thomas Robbins
1959-4-11
3978
Alameda
1/4 mi n of west end of Depot Road (along shore of San Francisco Bay, adjacent to (just e of) the American Salt Co., about 1 3/4 mi nw Mt. Eden, about 3/4 mi s Russell); San Francisco Bay
1
Comment
UC25113
Pleuropogon californicus
G. Thomas Robbins with Hsuan Keng and Erika Amstutz
1959-4-3
3967
Sonoma
ne of Santa Rosa (Rincon Valley, along Montecito Road, w of Middle Rincon Road); Rincon Valley
86
Comment
UC907654
Pleuropogon californicus
G. Thomas Robbins with J. T. Howell
1945-5-9
1874
Marin
1/2 mi n of Hamilton Field Air Base
Comment
UCD90172
Pleuropogon californicus var. californicus
G. Thomas Robbins
1959-4-11
3978
Alameda
About 1/4 mile north of the west end of Depot Road, adjacent to (just east of) the American Salt Co. Along the shore of San Francisco Bay, about 1 and 3/4 miles northwest of Mt. Eden and about 3/4 mile south of Russell.
1
Comment
JEPS21996
Poa annua
G. Thomas Robbins
1958-4-19
3813
Alameda
ca 1/6 mi n Mt Eden Station (along Depot Rd, just e of junction of Clawiter Rd)
7
Comment
UCD90379
Poa annua
G. Thomas Robbins
1958-4-19
3813
Alameda
East of junction of Clawiter Rd. and about 1/6 mile north of Mt. Eden Sta.
7
Comment
JEPS25164
Poa howellii
G. Thomas Robbins
1959-5-27
4036
Alameda
w. shore Lake Temescal (reservoir); Oakland, Lake Temescal
137
Comment
UCD91947
Poa pratensis
Robbins; Raynor
1943-6-1
s.n.
Plumas
Quincy.
Comment
UC907652
Poa pratensis subsp. pratensis
G. Thomas Robbins
1945-6-17
1999
El Dorado
5 mi s Pollock Pines (Sly Park)
1005
Comment
UC907633
Poa secunda subsp. secunda
G. Thomas Robbins
1945-6-17
1990
El Dorado
near Baltic Peak (above Camp Creek)
1066
Comment
UC964808
Poa secunda subsp. secunda
G. Thomas Robbins
1950-4-2
3302
Kern
ca 1 mi ne Isabella (above Kern River)
762
Comment
UC701973
Podistera nevadensis
G. Thomas Robbins
1945-8-12
2124
El Dorado
Freel Peak; rocky slopes near summit
3322
Comment
JEPS8284
Pogogyne douglasii
G. Thomas Robbins and Lawrence L. Heckard
1953-6-1
3571
Madera
2.7 miles east of Raymond along road to Coarsegold
274
Comment
SBBG58184
Polemonium californicum
J. R. and R. C. Robbins
1932-7-16
Tuolumne
Tioga Pass Rd
Comment
CAS-BOT-BC231319
Polemonium pulcherrimum
G. Thomas Robbins
1943-9-5
1383
El Dorado
Near summit of Dicks Peak; Desolation Valley Wilderness Areas
3048
Comment
CAS-BOT-BC167567
Polygala cornuta var. cornuta
G. Thomas Robbins
1943-7-8
1254
El Dorado
At C.C.C. Camp Snowline, 3 mi. e. of Camino
1036
Comment
JEPS22106
Polygala cornuta var. cornuta
G. Thomas Robbins with H. G. Baker, G. Newcomb, and R. Ornduff
1958-7-30
3916
Tuolumne
near Mountain Lily Mine (slopes above creek, 1.5 mi s of Italian Bar); Fivemile Creek (a tributary of South Fork Stanislaus River)
472
Comment
UC747313
Polygala cornuta var. cornuta
G. Thomas Robbins
1943-5-29
1103
El Dorado
hillside near Institute of Forest Genetics (3 mi e of Placerville)
762
Comment
UC747315
Polygala cornuta var. cornuta
G. Thomas Robbins
1943-7-8
1254
El Dorado
3 mi e Camino; C.C.C. Camp Snowline
1036
Comment
CAS-BOT-BC170369
Polygala cornuta var. cornuta
G. Thomas Robbins; H. G. Baker; G. Newcomb; R. Ornduff
1958-7-30
3916
Tuolumne
On openly wooded slope above Fivemiel Creek, a tributary of South Fork Stanislaus River, near Mountain Lily Mine, 1.5 miles southwest of Italian Bar
472
Comment
JEPS22110
Polygonum amphibium var. emersum
G. Thomas Robbins
1958-8-9
3920
Alameda
small stream crossing Boyce Rd 0.1 mi n road junction to Newark Substation (of P.G. & E.) (about 3 mi sw of Newark)
Comment
UC746894
Polygonum bistortoides
G. Thomas Robbins
1943-8-15
1350
El Dorado
at edge of creek below Grouse Lake (2 1/2 mi ne of Wrights Lake); Grouse Creek
2590
Comment
JEPS25019
Polygonum lapathifolium
G. Thomas Robbins
1958-10-4
3943
Alameda
about equidistant between the Eastshore Freeway and Oakland Municipal Airport (along Hegenberger Rd); Oakland
Comment
CAS-BOT-BC418614
Polygonum majus
G. Thomas Robbins
1944-6-27
1739
El Dorado
On top of ridge above North Fork Webber Creek, ca. 3 mi. e. of Camino
975
Comment
CAS-BOT-BC418549
Polygonum minimum
G. Thomas Robbins
1944-7-30
1822
El Dorado
Along Willow Flat Trail, about 2 mi. n. of Wrights Lake, 9 mi. n. of U.S. Highway 50
2286
Comment
JEPS15702
Polygonum minimum
G. Thomas Robbins
1956-9-8
3752
El Dorado
about 1/2 mi ne Wrights Lake
2133
Comment
UC1084494
Polygonum paronychia
G. Thomas Robbins
1940-5-15
315
San Francisco
vicinity Rivera Street and 28th Avenue; San Francisco, Sunset District
Comment
UC746896
Polygonum phytolaccifolium
G. Thomas Robbins
1944-7-28
1774
El Dorado
Willow Flat Trail 3-4 mi ne Wrights Lake; Willow Flat
2286
Comment
CAS-BOT-BC411424
Polygonum shastense
G. Thomas Robbins
1945-8-12
2117
El Dorado
slopes on western flank of Jobs Sister Peak
3048
Comment
GH364805
Polygonum shastense
G. T. Robbins
1945-8-12
2117
Unknown
Gravelly slopes on western flank of Jobs Sister Peak
3048
Comment
JEPS15683
Polygonum shastense
G. Thomas Robbins
1956-9-10
3776
Alpine
along trail between Winnemucca Lake and Elephants Back (1 1/2 to 2 mi airline s of Carson Pass)
2743
Comment
SEINET3404079
Polygonum spergulariiforme
G. Thomas Robbins
1944-6-27
1739
El Dorado
North Fork Webber Creek, 3 mi E of Camino
Comment
UC747643
Polypodium
G. Thomas Robbins
1944-4-23
1557
El Dorado
5-6 mi n Camino (cliffs along S Fork American River)
762
Comment
UC964855
Polypodium
G. Thomas Robbins
1944-4-23
1557
El Dorado
ca. 5 mi n of Camino (near Michigan-California Lumber Company RR tramway, canyon wall of S Fork American River); S Fork American River
762
Comment
UC747638
Polystichum imbricans subsp. imbricans
G. Thomas Robbins
1945-6-17
1993
El Dorado
near Baltic Peak (slope above Camp Creek)
1005
Comment
UC747640
Polystichum imbricans subsp. imbricans
G. Thomas Robbins
1944-6-7
1656
El Dorado
ca. 3 mi e Camino (above N Fork Webber Creek)
914
Comment
UC964857
Polystichum imbricans subsp. imbricans
G. Thomas Robbins
1945-6-17
1993
El Dorado
near Baltic Peak (above Camp Creek)
1005
Comment
CAS-BOT-BC76759
Polystichum imbricans subsp. imbricans
G. Thomas Robbins
1944-6-7
1656
El Dorado
North Fork Weber Creek, ca. 3 miles E of Camino
914
Comment
UCSB8319
Polystichum munitum
Robbins, G.
1936-8-1
Humboldt
Near Carlotta.
Comment
UC746964
Populus trichocarpa
G. Thomas Robbins
1944-6-18
1730
El Dorado
along North Fork Cosumnes River at Capps Crossing; along North Fork Cosumnes River at Capps Crossing
1524
Comment
UC972349
Potamogeton natans
G. Thomas Robbins
1951-7-30
3404
Fresno
about 1 mi w Bear Creek (s and w of Hilgard Branch of Bear Creek)
2926
Comment
CAS-BOT-BC141658
Potentilla flabellifolia
G. Thomas Robbins
1944-7-29
1803
El Dorado
along inlet stream above Lake Schmidell, Desolation Valley Wilderness Area
2590
Comment
UC907622
Potentilla flabellifolia
G. Thomas Robbins
1944-7-29
1803
El Dorado
above Lake Schmidell (along inlet stream); Desolation Valley Wilderness Area
2590
Comment
UC907623
Potentilla gracilis var. fastigiata
G. Thomas Robbins
1944-6-18
1714
El Dorado
5 mi s Pollock Pines (in Sly Park Meadow); s of Pollock Pines, in Sly Park Meadow
1005
Comment
CAS-BOT-BC539984
Potentilla gracilis var. fastigiata
G. Thomas Robbins
1944-6-18
1714
El Dorado
Sly Park meadow, 5 mi. s. of Pollock Pines
1005
Comment
CAS-BOT-BC143283
Potentilla grayi
G. Thomas Robbins
1944-7-29
1804
El Dorado
Above Lake Schmidell, Desolation Valley Wilderness Area
2590
Comment
UC747005
Potentilla grayi
G. Thomas Robbins
1943-8-15
1343
El Dorado
2 1/2 mi ne Wrights Lake (edge of Grouse Lake); , ne of Wrights Lake
2438
Comment
UC907624
Potentilla grayi
G. Thomas Robbins
1944-7-29
1804
El Dorado
above Lake Schmidell; Desolation Valley Wilderness Area, above Lake Schmidell
2590
Comment
CAS-BOT-BC143284
Potentilla grayi
G. Thomas Robbins
1943-8-15
1343
El Dorado
At the edge of Grouse Lake, 2 1/2 mi. NE of Wrights Lake
2438
Comment
JEPS25023
Primula suffrutescens
G. Thomas Robbins
1948-8-7
3180
Madera
Volcanic Ridge along trail to Iceberg Lake (Mt. Dana - Minarets Wild ARea); Mt. Dana-Minarets Wild Area, trail to Iceberg Lake
3048
Comment
UCD122132
Proboscidea louisianica subsp. louisianica
W. W. Robbins
1932-6-27
s.n.
Yolo
University Farm, Davis.
Comment
JEPS23820
Proboscidea lutea
G. Thomas Robbins
1959-8-1
4114
Contra Costa
roadside berm of frontage road just s Mt. Diablo Blvd. ((about 0.5 mi e of concrete bridge at Charles Hill and about 0.2 mi w of jct. of Hidden Valley Rd.), 2 mi w of Lafayette)
144
Comment
JEPS23821
Proboscidea lutea
G. Thomas Robbins
1959-8-1
4114
Contra Costa
roadside berm of frontage road just s Mt. Diablo Blvd. ((about 0.5 mi e of concrete bridge at Charles Hill and about 0.2 mi w of jct. of Hidden Valley Rd.), 2 mi w of Lafayette)
144
Comment
JEPS84884
Proboscidea lutea
G. Thomas Robbins
1959-8-1
4114
Contra Costa
roadside berm of frontage road just s Mt. Diablo Blvd. ((about 0.5 mi e of concrete bridge at Charles Hill and about 0.2 mi w of jct. of Hidden Valley Rd.), 2 mi w of Lafayette)
144
Comment
UCSB664
Prosartes hookeri
Robbins, G.
1937-4-4
Alameda
Strawberry Creek, w of Berkeley
Comment
UC1084462
Prunella vulgaris var. lanceolata
G. Thomas Robbins
1937-6-5
225
Sonoma
about 10 mi w Santa Rosa (Vine Hill region)
Comment
SBBG70941
Prunus andersonii
R. C. Robbins
1930-3-27
Inyo
Big Pine Crk Cyn
1524
Comment
UC747252
Prunus emarginata
G. Thomas Robbins
1943-6-27
1227
El Dorado
near Echo Summit Pass
2286
Comment
UC747254
Prunus emarginata
G. Thomas Robbins
1943-6-7
1138
El Dorado
about 4 mi s of Kyburz (above Silver Fork American River near Sacramento Box Company sawmill (China Flat))
1371
Comment
SD45191
Prunus fremontii
G. Thomas Robbins
1950-4-7
3330
Kern
about 0.5 mile west of Walker Pass (store) along State Highway 178
1372
Comment
CAS-BOT-BC154612
Prunus subcordata
G. Thomas Robbins
1943-4-15
996
El Dorado
On northwest slope of North Fork Webber Creek Canyon, ca. 3 mi. e. of Camino
1036
Comment
UC746974
Prunus subcordata
G. Thomas Robbins
1943-4-15
996
El Dorado
3 mi e of Camino (North Fork Webber Creek Canyon); North Fork Webber Creek Canyon
1036
Comment
UC747257
Prunus subcordata
G. Thomas Robbins
1944-4-14
1538
Marin
low hills just W of Hamilton Air Force base
152
Comment
UCD113516
Prunus subcordata
W. W. Robbins
1926-4-17
529
Nevada
Grass Valley.
Comment
GH346760
Prunus virginiana var. demissa
G. T. Robbins
1944-5-15
1599
Unknown
Institute of Forest Genetics, 3 miles east of Placerville
762
Comment
UC746977
Prunus virginiana var. demissa
G. Thomas Robbins
1944-5-15
1599
El Dorado
West of Institute of Forest Genetics, about 3 miles E of Placerville.
Comment
SD45205
Psathyrotes ramosissima
G. Thomas Robbins
1950-4-6
3318
Inyo
Mosaic Canyon, Panamint Mountains, Death Valley National Monument.
Comment
SD185546
Pseudognaphalium beneolens
Jolynn Robbins
2006-9-4
52
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
SD185551
Pseudognaphalium californicum
Jolynn Robbins
2006-4-9
49
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
OBI16419
Pseudognaphalium californicum
G. Thomas Robbins
1959-8-6
John Weiler
Monterey
Near Mule Cyn, along side rd leading E from state hwy 1 about 1.5 mi S of Pfeiffer-Big Sur State park
305
Comment
UC747156
Pseudognaphalium luteoalbum
G. Thomas Robbins with J. T. Howell
1945-5-9
1902
Marin
near Hamilton Field Air Base
Comment
JEPS22112
Pseudognaphalium ramosissimum
G. Thomas Robbins with S. Galen Smith
1958-7-8
3896
Marin
along Sir Francis Drake Highway opposite and e of RCA Radio Station (1.5 mi s of crossing of Drakes Estero); Point Reyes Peninsula
Comment
JEPS25004
Pseudognaphalium ramosissimum
G. Thomas Robbins
1958-8-31
3929
Alameda
slope of road cut along Tunnel Road a short distance w Charing Cross Rd.; Oakland Hills
243
Comment
JEPS25106
Pseudognaphalium stramineum
G. Thomas Robbins
1959-4-25
3997
Alameda
at western edge of Eastshore Highway just s Emeryville interchange (Powell St.) (along bay); San Francisco Bay, Emeryville
Comment
UC747141
Pseudognaphalium stramineum
G. Thomas Robbins
1945-7-16
2072
El Dorado
3 mi e of Camino (in woods on canyon slope above North Fork Webber Creek)
914
Comment
UCD81543
Pseudognaphalium stramineum
W. W. Robbins; W. D. Norton
1928-8-1
1426
Yolo
near Clarksburg.
Comment
CAS-BOT-BC357556
Pseudognaphalium stramineum
G. Thomas Robbins
1945-7-16
2072
El Dorado
Above North Fork Webber Creek, 3 mi. e. of Camino
914
Comment
OBI16437
Pseudognaphalium stramineum
G. Thomas Robbins
1959-4-25
3997
Alameda
Along the shore of San Francisco Bay at the W edge of the Easthshore hwy, just S of the Emeryville interchange (Powell St), Emeryville
Comment
UCD135227
Pseudognaphalium stramineum
G. Thomas Robbins
1959-4-25
3997
Alameda
Along the shore of San Francisco Bay at the western edge of the Eastshore Highway, just south of the Emeryville interchange (Powell St.), Emeryville.
Comment
UC907768
Psilocarphus tenellus
G. Thomas Robbins
1945-5-27
1950
El Dorado
1.5 mi s Camino (along Pleasant Valley road); North Fork Webber Creek
Comment
UCD108313
Psorothamnus emoryi
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UCD108369
Psorothamnus schottii
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UC747680
Pterospora andromedea
G. Thomas Robbins
1943-6-20
1202
El Dorado
along road to powerhouse, 4-5 mi NW of Pollock Pines.
914
Comment
JEPS7942
Pterostegia drymarioides
G. Thomas Robbins with R. Bacigalupi, L. Constance, G. W. Gillett, and L. R. Heckard
1952-5-1
3497
Inyo
Death Valley Nat'l Monument, Grapevine Mts., Titus Canyon
1524
Comment
SEINET195479
Pteryxia terebinthina
G. Thomas Robbins
1945-7-8
2047
El Dorado
Near Al Tahoe Lake Tahoe.
1920
Comment
SEINET195494
Pteryxia terebinthina
G. Thomas Robbins
1944-7-30
1816
El Dorado
Desolation Wilderness ; Above Lake Lois Rockbound Valley.
2591
Comment
UC701977
Pteryxia terebinthina var. californica
G. Thomas Robbins
1944-6-17
1710
El Dorado
above US Highway 50, about 1 mi E of Pyramid Ranger Station
1676
Comment
UC746908
Pteryxia terebinthina var. californica
G. Thomas Robbins
1944-7-30
1816
El Dorado
Lake Lois, Rockbound Valley, Desolation Valley Wilderness Area
2590
Comment
UC747227
Pteryxia terebinthina var. californica
G. Thomas Robbins
1945-7-8
2047
El Dorado
near Al Tahoe, Lake Tahoe
1920
Comment
RSA32300
Pteryxia terebinthina var. californica
G. Thomas Robbins
1945-7-8
2047
El Dorado
Near Al Tahoe, Lake Tahoe.
1921
Comment
A345825
Purshia tridentata
G. T. Robbins
1945-8-12
2144
Unknown
along road to High Meadow, 6-8 mi. SE of Lake Tahoe
2133
Comment
GH345824
Purshia tridentata
G. T. Robbins
1945-7-8
2039
Unknown
near Al Tahoe, Lake Tahoe
1920
Comment
UC747006
Purshia tridentata var. tridentata
G. Thomas Robbins
1945-7-8
2039
El Dorado
near Al Tahoe; Lake Tahoe
1920
Comment
CAS-BOT-BC460589
Pyrola aphylla
G. Thomas Robbins
1943-6-20
1191
El Dorado
Along road to PG&E Power House, 2--3 mi. W of Forebay reservoir (near Pollock Pines)
975
Comment
CAS-BOT-BC466017
Pyrola picta
G. Thomas Robbins
1945-8-4
2081
El Dorado
On shore of Rockbound Lake, Rockbound Valley, Desolation Valley Wilderness Area
2011
Comment
UC972341
Pyrrocoma apargioides
G. Thomas Robbins
1951-8-2
3405 A
Fresno
upper end of French Canyon French Canyon
3200
Comment
JEPS25078
Pyrrocoma racemosa var. racemosa
G. Thomas Robbins
1958-10-25
3956
Alameda
about 0.7 mi w Mt. Eden Station (along Depot Rd., and opposite Hayward Motorcycle Club)
Comment
CAS-BOT-BC362367
Pyrrocoma racemosa var. racemosa
G. Thomas Robbins
1958-10-25
3956
Alameda
Along Depot Rd., about 0.7 mile west of Mt. Eden Sta., and opposite Hayward Motorcycle Club
Comment
JEPS25081
Pyrrocoma racemosa var. racemosa
G. Thomas Robbins
1958-10-19
3953
Alameda
about 3 mi w Hayward (along First Ave at the w edge of Russell City, and about 1 mi e of the shore of San Francisco Bay)
Comment
OBI15559
Pyrrocoma racemosa var. racemosa
G. Thomas Robbins
1958-10-19
3953
Alameda
Along First Ave at the W edge of Russell City, about 3 mi W of hayward and about 1 mi E of the shore of San Francisco
Comment
UC1084391
Quercus agrifolia
G. Thomas Robbins
1937-4-25
147
Contra Costa
2 mi e Alamo (on road to Mt. Diablo)
Comment
SACT002625
Quercus chrysolepis
G. Robbins
1943-8-20
El Dorado
Dry brushy slope near Institute. 3 miles from Placerville.
Comment
UC746856
Quercus chrysolepis
G. Thomas Robbins
1943-8-20
1363
El Dorado
3 mi e Placerville (near Institute of Forest Genetics)
822
Comment
A344327
Quercus douglasii
G. T. Robbins
1943-10-28
1402
Unknown
along U.S. Highway 50, 3 mi. e. of Placerville
Comment
UC746867
Quercus douglasii
G. Thomas Robbins
1943-10-28
1402
El Dorado
2 mi e Placerville (along U.S. Highway 50)
762
Comment
UC746860
Quercus durata
G. Thomas Robbins
1945-5-20
1928
El Dorado
above Sweetwater Creek (near Simpson's Ranch)
182
Comment
UCD45918
Quercus durata var. durata
Thomas Robbins
1945-5-20
1928
El Dorado
Above Sweetwater Creek, near Simpson's Ranch, Eldorado County, California. Elevation 600 feet.
182
Comment
UC1084449
Quercus garryana
G. Thomas Robbins
1940-3-24
307
Sonoma
ca 6 mi ne Santa Rosa; Rincon Ridge
167
Comment
SEINET13953407
Quercus garryana
G. Thomas Robbins
1940-1
307
Sonoma
Rincon Ridge ca. 6 mi ne of Santa Rosa
168
Comment
GH344982
Quercus garryana var. breweri
G. T. Robbins
1945-6-9
1976
Unknown
Above North Fork Webber Creek, about 3 miles east of Camino
975
Comment
UC1084354
Quercus kelloggii
G. Thomas Robbins
1937-3-25
11
Sonoma
8-10 mi e Santa Rosa; Santa Rosa Creek Canyon
Comment
GH343509
Quercus vacciniifolia
G. T. Robbins
1945-8-5
2090
Unknown
slope above north shore of Rockbound Lake, Rockbound Valley, Desolation Valley Wilderness Area
2011
Comment
RSA46948
Quercus vacciniifolia
G. Thomas Robbins
1945-8-5
2090
El Dorado
Above north shore of Rockbound Lake, Rockbound Valley, Desolation Valley Wilderness Area.
2012
Comment
UC746863
Quercus vacciniifolia
G. Thomas Robbins
1945-8-5
2090
El Dorado
about n shore Rockbound Lake; Desolation Valley Wilderness Area, Rockbound Valley
2011
Comment
UC746864
Quercus vacciniifolia
G. Thomas Robbins
1943-6-27
1215
El Dorado
ridge above Echo Summit Pass
2438
Comment
UC746866
Quercus vacciniifolia
G. Thomas Robbins
1943-7-25
1319
El Dorado
along trail above e shore Upper Echo Lake
2286
Comment
UC1084409
Quercus wislizeni
G. Thomas Robbins
1937-4-11
112
San Mateo
Wooded hillside above Redwood City
Comment
UC746862
Quercus wislizeni
G. Thomas Robbins
1943-8-20
1362
El Dorado
2 mi e Placerville (ridge near Institute of Forest Genetics)
822
Comment
SBBG67860
Rafinesquia neomexicana
J. R. and R. C. Robbins
1930-3-26
San Bernardino
NE Mojave Desert
Comment
JEPS15685
Raillardella argentea
G. Thomas Robbins
1956-9-10
3774
Alpine
1.5 to 2.0 airline mi s Carson Pass (along trail between Winnemucca Lake and Elephants Back)
2743
Comment
UC747443
Ranunculus alismifolius var. alismellus
G. Thomas Robbins
1943-6-27
1222
El Dorado
rocky ridge above Echo Summit Pass
2438
Comment
RSA32398
Ranunculus alismifolius var. alismellus
G. Thomas Robbins
1945-7-8
2050
El Dorado
Along Velma Lakes trail, near Velma Lakes, Desolation Valley, Wilderness.
2439
Comment
RSA32405
Ranunculus alismifolius var. alismellus
G. Thomas Robbins
1943-6-27
1222
El Dorado
Rocky ridge above Echo Summit Pass.
2439
Comment
UC747385
Ranunculus alismifolius var. alismifolius
G. Thomas Robbins
1945-7-1
2017
El Dorado
on road about 4 mi s Wrights Lake (near Lyons Creek)
2042
Comment
CAS-BOT-BC379447
Ranunculus alismifolius var. hartwegii
G. Thomas Robbins
1945-7-1
2017
El Dorado
near Lyons Creek on road about 4 mi S of Wrights Lake
2042
Comment
CAS-BOT-BC379176
Ranunculus aquatilis var. aquatilis
G. Thomas Robbins
1945-5-20
1942
El Dorado
New York Creek, about 2.5 mi S of Salmon Falls
152
Comment
UC747384
Ranunculus aquatilis var. capillaceus
G. Thomas Robbins
1945-5-20
1942
El Dorado
about 2 1/2 mi s Salmon Falls; New York Creek
152
Comment
SEINET195473
Ranunculus bloomeri
G. Thomas Robbins, JT Howell
1945-5-9
1886
Marin
1.5 mi N of Ignacio
Comment
POM312419
Ranunculus bongardii
G. Thomas Robbins, S. Galen Smith
1950-4-15
1907
Colusa
Colusa County: In wet mud and vernal pool, Bear Valley
Comment
JEPS22056
Ranunculus californicus
G. Thomas Robbins
1958-3-20
3873
Alameda
vacant lot opposite intersection of 6th Street and Dwight Way; Berkeley
Comment
UC1084358
Ranunculus californicus
G. Thomas Robbins
1937-3-26
17
Sonoma
meadow near Wright School (on hwy to Sebastopol)
Comment
POM268966
Ranunculus eschscholtzii
G. Thomas Robbins
1944-7-29
1813
El Dorado
Moist ground in shady hemlock fir woods on ridge betw Lake Lois and Lake Schmidell, Desolation Valley Wilderness.
2591
Comment
UC1057436
Ranunculus lobbii
G. Thomas Robbins
1937-3-26
18
Sonoma
vernal pool near Wright School (on hwy to Sebastopol)
Comment
UC1101375
Ranunculus lobbii
G. T. Robbins and S. Galen Smith
1950-3-11
1904
Marin
ca 1 mi s Olema (vernal pool)
Comment
UCD96947
Ranunculus occidentalis
W. W. Robbins
1926-4-17
514
Nevada
Grass Valley.
Comment
UC747451
Ranunculus occidentalis
G. Thomas Robbins
1943-3-27
969
El Dorado
3 mi e Placerville (w edge of Institute of Forest Genetics)
762
Comment
UC1057477
Ranunculus orthorhynchus var. bloomeri
G. Thomas Robbins
1937-5-23
209
Sonoma
about 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch
Comment
UC1084417
Ranunculus pusillus
G. Thomas Robbins
1937-5-23
181
Sonoma
vernal pool near Wright School (between Santa Rosa and Sebastopol)
Comment
UC639127
Ranunculus pusillus
G. Thomas Robbins
1937-5-23
181
Sonoma
near Wright School (on hwy between Santa Rosa and Sebastopol, edge of vernal pool)
Comment
UC1084367
Raphanus sativus
G. Thomas Robbins
1937-3-26
33
Sonoma
along road to Bodega (just e of Bodega)
Comment
JEPS22040
Reseda luteola
G. Thomas Robbins
1958-7-4
3889
Alameda
about 1/4 mi s of East Creek Slough (at ne edge of San Leandro Bay, Oakland); Oakland, San Leandro Bay
Comment
UCD116489
Reseda luteola
G. Thomas Robbins
1958-7-4
3889
Alameda
At the NE edge of San Leandro Bay, about 1/4 mile S of East Creek Slough, Oakland.
Comment
UC746927
Rhamnus californica
G. Thomas Robbins
1944-4-14
1539
Marin
immediately w Hamilton Field Air Base
30
Comment
CAS-BOT-BC55965
Rhamnus ilicifolia
G. Thomas Robbins
1945-4-22
1849
El Dorado
2-3 mi. NW of Shingle Springs
457
Comment
UC746926
Rhamnus ilicifolia
G. Thomas Robbins
1944-4-23
1548
El Dorado
near Slab Creek junction with South Fork American River (slope above Slab Creek)
609
Comment
UCD112338
Rhamnus ilicifolia
W. W. Robbins
1926-4-17
523
Nevada
Grass Valley.
Comment
UC907666
Rhamnus purshiana
G. Thomas Robbins
1932-6-5
1124
El Dorado
about 3 mi e Camino (above North Fork Webber Creek)
1036
Comment
A362990
Rhododendron columbianum
G. T. Robbins
1943-7-25
1288
Unknown
Common around shore of small lake on rocky slopes above eastern shore of Medley Lakes Reservoir, Desolation Valley Primitive Area
2590
Comment
SBBG59924
Rhododendron neoglandulosum
J. R. and R. C. Robbins
1932-7-16
Tuolumne
Tuolumne Meadows Lodge
Comment
SBBG59935
Rhododendron occidentale
J. R. and R. C. Robbins
1932-7-14
Mariposa
Chinquapin
2133
Comment
UC1084452
Rhododendron occidentale
G. Thomas Robbins
1937-5-23
204
Sonoma
10 mi w of Santa Rosa (Vine Hill Region, Pitkin Ranch); Vine Hill Region, Pitkin Ranch
Comment
CAS-BOT-BC200685
Rhus aromatica
G. Thomas Robbins
1945-5-18
1916
El Dorado
Above Smithflat
731
Comment
GH347195
Rhus trilobata
G. T. Robbins
1945-5-18
1916
Unknown
on hillside above Smithflat
731
Comment
UC747346
Ribes amarum
G. Thomas Robbins
1943-6-20
1197
El Dorado
4-5 mi nw Pollock Pines (along road to powerhouse, n-facing canyon wall); South Fork American River
914
Comment
UC747378
Ribes amarum
G. Thomas Robbins
1943-4-20
1012
El Dorado
ca. 3 mi e Camino; North Fork Webber Creek
1036
Comment
UC747338
Ribes californicum
G. Thomas Robbins
1945-5-5
1871
Marin
2-3 mi w Hamilton Field Air Base (valley flat at n foot of Big Rock Ridge); Big Rock Ridge
0
Comment
A380137
Ribes cereum
G. T. Robbins
1945-10-6
2149
Unknown
rocky slope above shore of lake on summit of Crater Lake Mt., Lassen National Forest (sec. 23, T.32N, R.8E)
2194
Comment
GH380078
Ribes cereum
G. T. Robbins
1944-6-17
1702
Unknown
about 1 mi. e. of Pyramid Ranger Station
1676
Comment
UC747359
Ribes cereum
G. Thomas Robbins
1945-10-6
2149
Lassen
summit Crater Lake Mt. (above lake); Lassen National Forest
2194
Comment
UC747387
Ribes cereum
G. Thomas Robbins
1943-9-5
1376
El Dorado
summit Mt. Tallac
2956
Comment
JEPS15562
Ribes lobbii
G. Thomas Robbins with L. R. Heckard
1956-7-25
3718
Colusa
about 50 yards below summit Snow Mt. West (ridge between east and west peaks of Snow Mt.); Snow Mt.
2133
Comment
A380620
Ribes nevadense
G. T. Robbins
1944-6-17
1701
Unknown
about 1 mi. e. of Pyramid Ranger Station
1676
Comment
CAS-BOT-BC212338
Ribes nevadense
G. Thomas Robbins
1944-4-23
1556
El Dorado
Banks of South Fork American River, about 5 miles N of Camino
762
Comment
UC747371
Ribes nevadense
G. Thomas Robbins
1943-4-22
1023
El Dorado
3 mi e Camino; North Fork Webber Creek
914
Comment
UC747380
Ribes nevadense
G. Thomas Robbins
1943-6-27
1217
El Dorado
ridge above Echo Summit Pass (about 3/4 mi s of U.S. Highway 50)
2438
Comment
UCD102424
Ribes nevadense
Robbins; Raynor
1943-6-1
s.n.
Plumas
Feather River Canyon near Virgilia.
Comment
UC747167
Ribes roezlii
G. Thomas Robbins
1944-4-23
1565
El Dorado
about 4 mi n Camino (along Chute Camp Road above river); South Fork American River
762
Comment
UC747328
Ribes roezlii
G. Thomas Robbins
1945-10-6
2150
Lassen
near sw summit Crater Lake Mountain; Lassen National Forest
2194
Comment
UCD102468
Ribes roezlii
Robbins; Raynor
1943-6-1
s.n.
Plumas
Belden.
Comment
CAS-BOT-BC198978
Ribes roezlii var. roezlii
G. Thomas Robbins
1943-3-28
973
El Dorado
On canyon slope above South Fork American River, about 6 mi. N of Camino.
914
Comment
UCSB2663
Ribes sanguineum var. glutinosum
Robbins, G.
1937-4-4
Alameda
Strawberry Creek Canyon; University of California Campus
Comment
CAS-BOT-BC168751
Ribes victoris
G. Thomas Robbins
1944-4-14
1525
Marin
Small stream on north slope of Big Rock Ridge, about 3 mi. w. of Hamilton Field Air Base
91
Comment
SEINET195655
Ribes viscosissimum
G. T. Robbins
1945-7-1
2033
El Dorado
Wrights Lake; along Twin Lakes trail 1-1.5 miles northeast of Wright's Lake nine miles north of US Hwy 50
2286
Comment
UC747331
Ribes viscosissimum
G. Thomas Robbins
1945-7-1
2033
El Dorado
1-1 1/2 mi ne Wrights Lake (9 mi n of U.S. Highway 50); Twin Lakes trail
2286
Comment
JEPS14591
Rigiopappus leptocladus
G. Thomas Robbins with Peter H. Raven
1956-4-28
3679
El Dorado
along Georgetown-Greenwood Road 2 mi w Greenwood (8.3 mi w of Georgetown)
502
Comment
JEPS8067
Rigiopappus leptocladus
G. Thomas Robbins, Lawrence R. Heckard
1953-5-31
3552 A
Tulare
on road to Eshom Valley 3.8 mi se Badger; just e of Sequoia National Forest boundary
1005
Comment
UC1084381
Rorippa
G. Thomas Robbins
1937-4-11
81
San Mateo
along Skyline Boulevard near County Jail (s of San Francisco); s of San Francisco
Comment
UCD115244
Rorippa austriaca
Robbins; Raynor
1943-6-1
s.n.
Modoc
Corporation Ranch in Likely.
Comment
CAS-BOT-BC146427
Rosa bridgesii
G. Thomas Robbins
1944-6-3
1652
El Dorado
Along U. S. Highway 50, 3 mi. e. of Camino
1036
Comment
GH346015
Rosa gymnocarpa
G. T. Robbins
1944-6-3
1651
Unknown
along U.S. Highway 50, three miles east of Caminoa
1036
Comment
SEINET195659
Rosa gymnocarpa
G. Thomas Robbins
1944-6-3
1651
El Dorado
Shady Ponderosa pine-White Fir woods along U. S. Highway 50, three miles east of Camino,
1036
Comment
UC746996
Rosa gymnocarpa
G. Thomas Robbins
1943-5-23
1079
El Dorado
3 mi e Camino; North Fork Webber Creek
914
Comment
UC747255
Rosa woodsii var. ultramontana
G. Thomas Robbins
1945-8-12
2146
El Dorado
6-8 mi. SE of Lake Tahoe
2133
Comment
UCSB2928
Rubus parviflorus
Robbins, G.
1937-5-16
Alameda
North facing slope of Strawberry Creek Canyon, Berkeley
Comment
UC1084363
Rubus spectabilis
G. Thomas Robbins
1937-3-26
26
Sonoma
bank of creek along road e Bodega Bay; e of Bodega Bay
Comment
CAS-BOT-BC158729
Rubus ursinus
G. Thomas Robbins
1945-6-17
1996
El Dorado
Along Camp Creek near Baltic Peak
1036
Comment
UCSB2947
Rubus ursinus
Robbins, G.
1937-5-16
Alameda
Strawberry Creek Canyon, Berkeley Hills, University of California Campus
Comment
UC1084377
Rumex acetosella
G. Thomas Robbins
1937-4-11
74
San Mateo
just s San Francisco (along Skyline Boulevard)
Comment
UCD101331
Rumex lacustris
Robbins; Raynor
1943-6-1
s.n.
Lassen
Madeline.
Comment
UCD101404
Rumex persicarioides
W. W. Robbins
1943-9-1
s.n.
Unknown
County unknown: Delta Region.
Comment
UCD101458
Rumex pulcher
G. Thomas Robbins; John Weiler
1959-5-23
4032
Contra Costa
About 1/2 mile east of Pt. San Pablo, overlooking San Pablo Bay, Richmond.
7
Comment
JEPS22044
Rumex salicifolius var. crassus
G. Thomas Robbins
1958-6-25
3883
Marin
w end Rodeo Lagoon
Comment
JEPS21987
Rupertia physodes
G. Thomas Robbins
1958-5-4
3823
Contra Costa
along Pinehurst Road on slopes above Upper San Leandro Reservoir (in hills e of Oakland)
228
Comment
OBI12751
Rupertia physodes
G. Thomas Robbins
1958-7-6
3890
Contra Costa
Along Pinehurst Rd, on slopes above Upper San Leandro Reservoir, about 1/4 mi N of Alameda Co line
229
Comment
UC964835
Ruppia cirrhosa
G. Thomas Robbins
1950-4-5
3312
Inyo
Badwater; Death Valley National Monument
-85
Comment
CAS-BOT-BC445658
Sagittaria cuneata
G. Thomas Robbins
1956-9-10
3765
Amador
Just to the south of Carson Spur, along State Highway 88
2435
Comment
CAS-BOT-BC445659
Sagittaria cuneata
G. Thomas Robbins
1956-9-10
3765
Amador
Just to the south of Carson Spur, along State Highway 88
2435
Comment
CAS-BOT-BC445639
Sagittaria cuneata
G. Thomas Robbins
1943-8-15
1337
El Dorado
North of Wrights Lake
2286
Comment
JEPS23208
Salicornia depressa
G. Thomas Robbins
1959-7-12
4110
Alameda
about 0.75 mi s Russell (about 1.75 mi w of Mt. Eden Station, about 0.25 mi n of w end of Depot Road, just e of the American Salt Company evaporating ponds); San Francisco Bay
1
Comment
SD51813
Salicornia depressa
G. Thomas Robbins
1959-6-12
4110
Alameda
Saling depressions ca. 0.25 mile north of west end of Depot Road, just east of the American Salt Company evaporating ponds.
Comment
POM313498
Salicornia maritima
G. Thomas Robbins
1959-7-12
4110
Alameda
Saline depression about 0.25 mile N of west end of Depot Road, just E of the American Salt Company evaporating ponds, shore of San Francisco Bay, about 1.75 miles W of Mt. Eden Station and about 0.75 mile S of Russell.
2
Comment
OBI17186
Salicornia rubra
G. Thomas Robbins
1959-9-27
4167
Alameda
Edge of San Francisco Bay, about 1/4 mi E of San Francisco Oakland Bay Bridge Toll Plaza, Oakland
Comment
JEPS22092
Salicornia virginica
G. Thomas Robbins
1958-7-19
3904
Contra Costa
about 0.75 mi s Pt. San Pablo, Potrero San Pablo, Richmond; San Francisco Bay, Point Orient
Comment
CAS-BOT-BC103472
Salix eastwoodiae
G. Thomas Robbins
1945-7-1
2030
El Dorado
on slope e. and above Island Lake, ca. 4 mi. NE of Wrights Lake, 9 mi. n. of U.S. Highway 50
2590
Comment
UC746975
Salix eastwoodiae
G. Thomas Robbins
1943-7-25
1295
El Dorado
slopes above Medley Lakes (reservoir); Desolation Valley Wilderness Area
2590
Comment
JEPS25075
Salix exigua
G. Thomas Robbins
1959-2-23
3959
Alameda
w San Lorenzo (along S. Pacific R.R. near w end of Lewelling Blvd., and along Lewelling Blvd. for ca. 1/4 mi e of R.R. tracks)
3
Comment
OBI9849
Salix exigua
G. Thomas Robbins
1959-2-23
3959
Alameda
Along RR tracks (Southern Pacific) near W end of Lewelling Blvd and also along Lewelling Blvd for about 1/4 mi E of the RR tracks, W of San Lorenzo
3
Comment
UC746965
Salix exigua var. hindsiana
G. Thomas Robbins
1945-5-15
1906
El Dorado
1/2 mi e Smithflat (along R.R. right-of-way)
Comment
UC746967
Salix exigua var. hindsiana
G. Thomas Robbins with J. T. Howell
1945-5-9
1884
Marin
1/2 mi n Hamilton Field Air Base
Comment
CAS-BOT-BC104041
Salix hindsiana
G. Thomas Robbins
1945-5-15
1906
El Dorado
along railroad right-of-way, 1/2 mi. e. of [Smithflat] Smith Flat
701
Comment
SD167461
Salix laevigata
Jolynn Robbins
2004-4-5
5
San Diego
Damon Lane County Park in El Cajon. South on Jamacha, right on Fury. Then right on Wieghorst, left on Calle Albara.
68
Comment
UC1084450
Salix lasiolepis
G. Thomas Robbins
1940-3-24
308
Sonoma
ca. 6 mi. e. Santa Rosa (Rincon Grade)
167
Comment
UC746966
Salix orestera
G. Thomas Robbins
1945-7-1
2030
El Dorado
ca. 4 mi. n.e. Wright's Lake (9 mi. n. of U.S. Hwy. 50, slope e. and above <of> Island Lake)
2590
Comment
SD165190
Salvia apiana
Jolynn Robbins
2004-7-5
22
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
UCSB5759
Salvia dorrii var. dorrii
Robbins, G.
1952-5-1
Inyo
at site of Leadfield; Titus Canyon; Death Valley National Monument
1645
Comment
CAS-BOT-BC221122
Salvia sonomensis
G. Thomas Robbins
1944-4-30
1571
El Dorado
On slopes above South Fork Webber Creek, 3-4 mi. NE of Newtown
762
Comment
GH403497
Salvia sonomensis
G. T. Robbins
1944-4-30
1571
Unknown
slopes above South Fork Webber Creek, 3-4 miles northeast of Newtown
762
Comment
UC747555
Salvia sonomensis
G. Thomas Robbins
1945-4-28
1847
El Dorado
2-3 mi nw Shingle Springs
457
Comment
UC747557
Salvia sonomensis
G. Thomas Robbins
1944-4-30
1571
El Dorado
3-4 mi ne Newtown (on slopes above South Webber Creek)
762
Comment
CAS-BOT-BC238636
Sambucus nigra subsp. caerulea
G. Thomas Robbins
1942-9-24
915
El Dorado
Near Institute of Forest Genetics, 3 mi. e. of Placerville
762
Comment
UC747067
Sambucus racemosa var. microbotrys
G. Thomas Robbins
1945-8-12
2137
El Dorado
slopes above outlet stream of Starr Lake (along trail to Freel Peak)
2743
Comment
CAS-BOT-BC235098
Sambucus racemosa var. racemosa
G. Thomas Robbins
1945-8-12
2137
El Dorado
On open slopes above outlet stream of Starr Lake, along trail to Freel Peak
2743
Comment
UC747266
Sanguisorba annua
G. Thomas Robbins
1944-6-18
1719
El Dorado
Sly Park 5 mi s Pollock Pines; , Sly Park
1005
Comment
UC747256
Sanguisorba minor subsp. muricata
G. Thomas Robbins
1944-5-5
1584
El Dorado
about 3 mi e Placerville (near Institute of Forest Genetics); near Institute of Forest Genetics
762
Comment
UC747265
Sanguisorba minor subsp. muricata
G. Thomas Robbins
1944-6-15
1688
El Dorado
3 mi e Placerville (near Institute of Forest Genetics); near Institute of Forest Genetics
822
Comment
UC1057437
Sanicula arctopoides
G. Thomas Robbins
1937-3-26
22
Sonoma
near Bodega Bay
Comment
POM196058
Sanicula bipinnata
L. F. Robbins
1928-3-18
s.n.
Napa
Putah Canyon.
Comment
UC747222
Sanicula bipinnatifida
G. Thomas Robbins
1943-4-6
979
El Dorado
2 1/2 mi e of Placerville (at s edge of Institute of Forest Genetics); Institute of Forest Genetics
822
Comment
UCD127944
Sanicula bipinnatifida
W. W. Robbins
1926-4-17
534
Lassen
Grass Valley.
Comment
UC1084406
Sanicula crassicaulis
G. Thomas Robbins
1937-4-17
117
Contra Costa
near Point Richmond
Comment
UC746905
Sanicula crassicaulis
G. Thomas Robbins
1944-5-28
1637
El Dorado
1-2 mi from confluence of Long Creek with South Fork American River; Long Creek
762
Comment
UC747219
Sanicula tuberosa
G. Thomas Robbins
1943-4-25
1035
El Dorado
3 mi e of Camino (above North Fork Webber Creek, at edge of Buck Brush); Buck Brush
914
Comment
UC747226
Sanicula tuberosa
G. Thomas Robbins
1945-7-1
2029
El Dorado
1 1/2 mi e of Wrights Lake (on trail to Grouse Lake, 9 mi n of U.S. Highway 50)
2286
Comment
JEPS8454
Sarcostemma hirtellum
G. Thomas Robbins with R. Bacigalupi, L. Constance, G. W. Gillett, and L. R. Heckard
1952-5-1
3506
Inyo
Titus Canyon Grapevine Mts., Death Valley Nat'l Monument, Titus Canyon
883
Comment
UC1084489
Satureja douglasii
G. Thomas Robbins
1940-5-15
310
San Francisco
sand hills of Sunsut District San Francisco
Comment
UC747166
Saxifraga bryophora
G. Thomas Robbins
1943-8-15
1346
El Dorado
2 1/2 mi ne of Wrights Lake (at edge of Grouse Lake); Grouse Lake
2438
Comment
UC747358
Saxifraga bryophora
G. Thomas Robbins
1944-7-30
1826
El Dorado
2 mi e of Wrights Lake (along trail to Smith Lake)
2438
Comment
UC747329
Saxifraga californica
G. Thomas Robbins
1944-4-23
1555
El Dorado
about 5 mi n of Camino; South Fork American River
762
Comment
UC747343
Saxifraga californica
G. Thomas Robbins
1943-4-25
1030
El Dorado
3 mi e of Camino (above North Fork Webber Creek); North Fork Webber Creek
975
Comment
UC747351
Saxifraga californica
G. Thomas Robbins
1943-5-2
1066
El Dorado
about 3 mi e of Camino ( North Fork Webber Creek); North Fork Webber Creek
914
Comment
GH381214
Saxifraga tolmiei
G. T. Robbins
1944-7-29
1807
Unknown
Desolation Valley Wilderness Area
2651
Comment
UC1057454
Scandix pecten-veneris
G. Thomas Robbins
1937-4-25
138
Contra Costa
e of La Vista
Comment
SD158240
Schinus molle
Jolynn Robbins
2004-4-5
4
San Diego
Damon Lane County Park in El Cajon. South on Jamacha, right on Fury. Right on Wieghorst, left on Calle Albara.
68
Comment
SEINET10301447
Schoenoplectus pungens
G. T. Robbins
1950-5-13
3350
San Luis Obispo
Along west shore of Oso Flaco Lake
Comment
CAS-BOT-BC22415
Scirpus congdonii
G. T. Robbins
1956-9-8
3749
El Dorado
moist meadow just beyond the northeast edge of Wrights Lake
2133
Comment
CDA39133
Scirpus koilolepis
R. T. Robbins
1979-4-2
s.n.
Marin
Point Reyes National Seashore. At base of trail from parking lot at McClure Beach.
0
Comment
CAS-BOT-BC110886
Scirpus microcarpus
Guy Thomas Robbins
1956-9-10
3767
Amador
Small pond just to the south of Carson Sour, along State Highway 88
2435
Comment
UC964801
Scirpus pungens
G. Thomas Robbins
1950-5-13
3346
San Luis Obispo
se Oso Flaco Lake (sand dunes)
Comment
UC746835
Scleranthus annuus subsp. annuus
G. Thomas Robbins
1944-4-30
1581
El Dorado
flat on canyon side above North Fork Webber Creek; above North Fork Webber Creek
975
Comment
UC1084402
Scrophularia californica
G. Thomas Robbins
1937-4-17
121
Contra Costa
near Point Richmond
Comment
UC747123
Scrophularia californica
G. Thomas Robbins
1944-6-11
1676
El Dorado
2-3 mi ne Riverton (along Ice House Rd)
1219
Comment
JEPS7784
Scrophularia californica subsp. floribunda
G. Thomas Robbins and Lawrence R. Heckard
1953-5-29
3535
Tulare
3 mi e Springville (above Middle Fork Tule River)
457
Comment
JEPS7785
Scrophularia californica subsp. floribunda
G. Thomas Robbins and Lawrence R. Heckard
1953-5-29
3535
Tulare
3 mi e Springville (above Middle Fork Tule River)
457
Comment
SD185945
Scrophularia californica subsp. floribunda
Jolynn Robbins
2006-4-9
45
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
GH402001
Scutellaria californica
G. T. Robbins
1943-7-6
1241
Unknown
North Fork Webber Creek, about 3 miles east of Camino
1005
Comment
UC747566
Scutellaria tuberosa
G. Thomas Robbins
1944-4-14
1511
Marin
2-3 mi w of Hamilton Field Air Base (n slope of Big Rock Ridge); Big Rock Ridge
152
Comment
UC747574
Scutellaria tuberosa
G. Thomas Robbins
1944-5-21
1619
El Dorado
about 3 mi e of Camino (North Fork Webber Creek); North Fork Webber Creek
975
Comment
CAS-BOT-BC417775
Sedella pumila
G. Thomas Robbins
1943-4-28
1044
El Dorado
At the Institute of Forest Genetics, 3 mi. E of Placerville
822
Comment
RSA422247
Sedella pumila
L. F. Robbins
1927-5-6
s.n.
El Dorado
Near Placerville.
Comment
RSA0074806
Sedum obtusatum
G. Thomas Robbins
1943-7-25
1320
El Dorado
Above east shore of Echo Lake.
2287
Comment
UC747406
Sedum obtusatum subsp. obtusatum
G. Thomas Robbins
1944-7-28
1780
El Dorado
3-4 mi ne Wrights Lake (on rocky slope along Willow Flat Trail); ne of Wrights Lake
2438
Comment
UC747400
Sedum rosea subsp. integrifolium
G. Thomas Robbins
1945-7-1
2031
El Dorado
about 4 mi ne Wrights Lake (above Island Lake, 9 mi n of U.S. Highway 50); ne of Wrights Lake, above Island Lake
2590
Comment
UC747414
Sedum spathulifolium
G. Thomas Robbins
1944-4-23
1564
El Dorado
about 4 mi n Camino (rock crevices along Chute Camp Road on canyon side above South Fork American River); above South Fork American River, n of Camino
762
Comment
UC964849
Selaginella hansenii
G. Thomas Robbins
1944-4-23
1547
El Dorado
ca. 5 mi n Camino (along Slab Creek near juncture with S. Fork American River)
609
Comment
CAS-BOT-BC62111
Selaginella hansenii
G. Thomas Robbins
1944-4-23
1547
El Dorado
along Slab Creek near its juncture with South Fork American River, about 5 mi. n. of Camino
609
Comment
JEPS8286
Senecio aronicoides
G. Thomas Robbins and Lawrence R. Heckard
1953-6-1
3569
Madera
near The Falls (n end of Crane Valley Lake); Crane Valley Lake
1127
Comment
UC747173
Senecio aronicoides
G. Thomas Robbins
1943-4-25
1033
El Dorado
about 3 mi e Camino (slope above North Fork Webber Creek); North Fork Webber Creek
975
Comment
UC907751
Senecio aronicoides
G. Thomas Robbins
1945-5-15
1905
El Dorado
2 to 3 mi e Placerville
701
Comment
JEPS19398
Senecio flaccidus var. douglasii
G. Thomas Robbins
1940-5-19
326
Contra Costa
e of Antioch (hills bordering San Joaquin River); San Joaquin River
Comment
SBBG62592
Senecio flaccidus var. douglasii
J. R. and R. C. Robbins
1932-6-7
Tulare
Sequoia Nat Park Rd
304
Comment
SBBG62724
Senecio integerrimus
J. R. and R. C. Robbins
1932-7-14
Mariposa
Chinquapin to Glacier Point
Comment
CAS-BOT-BC364001
Senecio integerrimus var. major
G. Thomas Robbins
1943-6-4
1117
El Dorado
On slope above Silver Fork American River near Sacramento Box Co. sawmill (China Flat), 3-4 mi. s. of Kyburz
1371
Comment
JEPS7931
Senecio mohavensis
G. Thomas Robbins with R. Bacigalupi, L. Constance, G. W. Gillett, and L. R. Heckard
1952-5-1
3510
Inyo
lower reaches Titus Canyon; Death Valley National Monument, Grapevine Mountains, lower r
701
Comment
UC747148
Senecio triangularis
G. Thomas Robbins
1943-8-15
1340
El Dorado
along small stream above Grouse Lake (2 1/2 mi ne of Wright's Lake); along small stream above Grouse Lake
2438
Comment
RSA32359
Senecio triangularis
G. Thomas Robbins
1943-8-15
1340
El Dorado
Small stream above Grouse Lake, 2 1/2 miles northeast of Wrights Lake.
2439
Comment
UC1084374
Senecio vulgaris
G. Thomas Robbins
1937-3-27
47
Sonoma
Santa Rosa
Comment
CAS-BOT-BC364738
Sericocarpus oregonensis subsp. californicus
G. Thomas Robbins
1945-8-5
2086
El Dorado
Along north shore of Rockbound Lake, Rockbound Valley, Desolation Valley Wilderness Area
2011
Comment
JEPS25287
Sericocarpus oregonensis subsp. californicus
G. Thomas Robbins with Robert Ornduff and Howard Whisler
1959-10-26
4177
Tuolumne
about .5 mi upstream from Italian Bar Crossing; South Fork Stanislaus River
518
Comment
UC747140
Sericocarpus oregonensis subsp. californicus
G. Thomas Robbins
1945-8-5
2086
El Dorado
along north shore of Rockbound Lake, Rockbound Valley Desolation Valley Wilderness Area, Rockbound Valley
2011
Comment
CAS-BOT-BC364737
Sericocarpus oregonensis subsp. californicus
G. Thomas Robbins
1943-8-21
1364
El Dorado
In Eddy Arboretum, Institute of Forest Genetics, 3 mi. e. of Placerville
822
Comment
UC747253
Sibbaldia procumbens
G. Thomas Robbins
1943-7-25
1292
El Dorado
slopes above and e Medley Lakes (Reservoir); Desolation Valley Wilderness Area
2590
Comment
GH420829
Sidalcea asprella
G. T. Robbins
1945-5-20
1931
Unknown
above Sweetwater Creek, near Simpson's Ranch (T. 10N., R. 8E., Sec. 13)
Comment
UC746934
Sidalcea glaucescens
G. Thomas Robbins
1944-7-28
1779
El Dorado
3 mi ne Wrights Lake (rocky slope along Willow Flat Trail); along Willow Flat Trail, ne of Wrights Lake
2438
Comment
UC747479
Sidalcea glaucescens
G. Thomas Robbins
1944-7-28
1779
El Dorado
3-4 mi ne Wrights Lake (rocky slope along Willow Flat Trail); along Willow Flat Trail, ne of Wrights Lake
2438
Comment
UC746932
Sidalcea hirsuta
G. Thomas Robbins
1943-7-8
1252
El Dorado
about 3 mi e of Camino (above North Fork Webber Creek)
975
Comment
UC746933
Sidalcea malviflora subsp. asprella
G. Thomas Robbins
1945-5-20
1931
El Dorado
near Simpson's Ranch (on bank above Sweetwater Creek); above Sweetwater Creek, near Simpson's Ranch
182
Comment
JEPS25157
Sidalcea malviflora subsp. laciniata
G. Thomas Robbins with John Weiler
1959-5-23
4028
Contra Costa
slopes on the w side Brooks Island (Richmond); San Francisco Bay, Richmond
Comment
OBI12311
Sidalcea malviflora subsp. laciniata
G. Thomas Robbins, John Weiler
1959-5-23
4028
Contra Costa
On the W side of Brooks Island, San Francisco Bay, Richmond
Comment
CAS-BOT-BC384442
Silene antirrhina
G. Thomas Robbins
1944-6-9
1666
El Dorado
Near Institute of Forest Genetics, 3 mi. e. of Placerville
792
Comment
CAS-BOT-BC384542
Silene bridgesii
G. Thomas Robbins
1943-6-5
1125
El Dorado
Above North Fork Webber Creek ca. 3 mi. e. of Camino
914
Comment
UC746901
Silene bridgesii
G. Thomas Robbins
1943-6-5
1125
El Dorado
ca 3 mi e Camino (above North Fork Webber Creek); , e of Camino
914
Comment
UC746834
Silene californica
G. Thomas Robbins
1944-4-23
1558
El Dorado
ca 4 mi nw Camino (along Chute Camp Road above Iowa Creek); above Iowa Creek, nw of Camino
762
Comment
UC746832
Silene douglasii
G. Thomas Robbins
1944-7-28
1775
El Dorado
three mi ne Wrights Lake (along Willow Flat Trail); ne of Wright's Lake, along Willow Flat Trail
2286
Comment
POM181694
Silene gallica
L. F. Robbins
1927-3-26
s.n.
Yolo
Putah Canyon.
Comment
UC1084461
Silene gallica
G. Thomas Robbins
1937-6-5
224
Sonoma
about 10 mi w Santa Rosa (Pitkin Ranch, Vine Hill region); Vine Hill Region, w of Santa Rosa, Pitkin Ranch
Comment
CAS-BOT-BC389032
Silene laciniata subsp. californica
G. Thomas Robbins
1944-4-23
1558
El Dorado
Along Chute Camp Road above Iowa Creek, ca. 4 mi. NW of Camino
762
Comment
UCD99007
Silene laciniata subsp. californica
W. W. Robbins
1926-4-17
515
Nevada
Grass Valley.
Comment
JEPS25259
Silene laciniata subsp. major
G. Thomas Robbins with John Weiler
1959-8-8
4145
San Luis Obispo
about 1 1/2 mi se Oso Flaco Lake; se of Oso Flaco Lake
15
Comment
CAS-BOT-BC389293
Silene lemmonii
G. Thomas Robbins
1944-6-7
1659
El Dorado
Above North Fork Webber Creek, ca. 3 mi. e. of Camino
914
Comment
RSA32410
Silene lemmonii
G. Thomas Robbins
1943-6-5
1120
El Dorado
Above Silver Fork American River near Sacramento Box Co. sawmill ( China Flat ), 3-4 miles S of Kyburz.
1372
Comment
SEINET195651
Silene nuda
G. Thomas Robbins
1943-6-13
1171
El Dorado
Along road to Park Creek ca. two miles west of Park Creek.
1219
Comment
CAS-BOT-BC389610
Silene sargentii
G. Thomas Robbins
1943-9-5
1371
El Dorado
On summit of Mt. Tallac
2956
Comment
UC746833
Silene sargentii
G. Thomas Robbins
1943-9-5
1371
El Dorado
rocky crevices on summit Mt. Tallac; on summit of Mt. Tallac
2956
Comment
UCD115507
Sisymbrium altissimum
Robbins; Raynor
1943-6-1
s.n.
Modoc
near Likely.
Comment
UC747017
Sisyrinchium bellum
G. Thomas Robbins
1945-4-22
1845
El Dorado
2-3 mi nw of Shingle Springs
457
Comment
UCSB895
Sisyrinchium bellum
Robbins, G.
1937-4-4
Alameda
Berkeley Hills
Comment
UC747016
Sisyrinchium californicum
G. Thomas Robbins
1944-5-16
1611
El Dorado
3 mi e of Camino (above North Fork Webber Creek)
914
Comment
UC747526
Smilacina stellata
G. Thomas Robbins
1945-6-17
1979
El Dorado
flat along creek near Baltic Peak; Camp Creek
1005
Comment
SEINET7262122
Solanum triflorum
Robbins, Raynor
June 1943
s.n.
Modoc
Corporation Ranch, Likely
Comment
CAS-BOT-BC157445
Solanum umbelliferum
G. T. Robbins
1943-4-21
1017
El Dorado
Near Institude of Forest Genetics, about 3 mi. e. of Placerville
792
Comment
CAS-BOT-BC157598
Solanum umbelliferum
G. Thomas Robbins
1943-4-21
1017
El Dorado
At western edge of grounds of Institute of Forest Genetics
792
Comment
UC747553
Solanum umbelliferum
G. Thomas Robbins
1943-4-21
1017
El Dorado
at western edge of grounds of Institude of Forest Genetics Institude of Forest Genetics
792
Comment
RSA32382
Solidago canadensis subsp. elongata
G. Thomas Robbins
1943-8-15
1354
El Dorado
Along Twin Lakes trail, about 3/4 mile northeast of Wrights Lake.
2287
Comment
OBI15456
Solidago confinis
G. Thomas Robbins, John Weiler
1959-8-7
4143
San Luis Obispo
NW margin of Oso Flaco Lake
12
Comment
CAS-BOT-BC365396
Solidago elongata
G. Thomas Robbins
1956-9-14
3778
El Dorado
Along U. S. Highway 50, about one-half mile northwest of Echo Summit
2225
Comment
UC747133
Solidago elongata
G. Thomas Robbins
1943-8-15
1354
El Dorado
about 3/4 mi ne Wrights Lake (along Twin Lakes trail)
2286
Comment
CAS-BOT-BC157268
Sorbus californica
G. Thomas Robbins
1943-7-25
1287
El Dorado
On slopes east of Medley Lakes, Desolation Valley Wilderness Area
2590
Comment
UC747007
Sorbus californica
G. Thomas Robbins
1943-7-25
1287
El Dorado
on slopes e Medley Lakes; Desolation Valley Wilderness Area
2590
Comment
CAS-BOT-BC157275
Sorbus scopulina
G. Thomas Robbins
1944-7-28
1771
El Dorado
Willow Flat Creek along Willow Flat Trail, ca. 2 mi. n. of Wrights Lake
2286
Comment
UCD99176
Spergula arvensis
G. Thomas Robbins
1959-4-5
3972
Alameda
at corner of 61st St. and Shattuck Ave. in Oakland.
33
Comment
OBI17381
Spergularia macrotheca
G. Thomas Robbins
1958-6-14
3871
Alameda
Near the end of Willow Rd, along the rd leading W to Plummer Landing SW of Newark
3
Comment
UCD99219
Spergularia macrotheca var. macrotheca
G. Thomas Robbins
1958-6-14
3871
Alameda
near the end of Willow Road, along the road leading west of Plummer Landing, southwest of Newark.
3
Comment
JEPS7991
Sphaeromeria cana
G. Thomas Robbins, Peter H. Raven
1954-7-31
3645
Inyo
upper reaches Lone Pine Canyon (along John Muir Trail between Consultation Lake and Lone Pine Lake); upper reaches Lone Pine Canyon
3352
Comment
UC746911
Sphenosciadium capitellatum
G. Thomas Robbins
1943-9-5
1382
El Dorado
above Gilmore Lake (Mt. Tallac); along trail to Mt. Tallac, above Gilmore Lake
2590
Comment
A345243
Spiraea densiflora
G. T. Robbins
1943-7-25
1318
Unknown
above east shore of upper Echo Lake, along Desolation Valley trail
2286
Comment
UC747002
Spiraea densiflora
G. Thomas Robbins
1943-7-25
1318
El Dorado
above e shore upper Echo Lake (along Desolation Valley trail); Desolation Valley
2286
Comment
UC747260
Spiraea densiflora
G. Thomas Robbins
1945-8-4
2080
El Dorado
n shore Rockbound Lake (Rockbound Valley); Desolation Valley Wilderness Area
2011
Comment
RSA46950
Spiraea densiflora var. splendens
G. Thomas Robbins
1945-8-4
2080
El Dorado
Along N shore of Rockbound Lake. Rockbound Valley. Desolation Valley Wilderness Area.
2012
Comment
UC746960
Spiranthes porrifolia
G. Thomas Robbins
1943-7-8
1251
El Dorado
about 3 mi e Camino (slope above creek); North Fork Webber Creek
975
Comment
UC746963
Spiranthes romanzoffiana
G. Thomas Robbins
1945-8-6
2103
El Dorado
near Schlien Ranger Station; Long Meadow
1676
Comment
JEPS25241
Stachys ajugoides
G. Thomas Robbins
1959-8-2
4118
Alameda
about 1 3/4 mi nw Mt. Eden (about 1/4 mi n of the w end of Depot Road, just e of the American Salt Co., about 3/4 mi s of Russell); San Francisco Bay
1
Comment
UC907675
Stachys ajugoides var. rigida
G. Thomas Robbins
1944-7-6
1749
El Dorado
5 mi s Pollock Pines; Sly Park
975
Comment
JEPS25251
Stephanomeria cichoriacea
G. Thomas Robbins with John Weiler
1959-8-6
Monterey
4.4 mi s Hot Springs Creek crossing (along State Highway 1)
76
Comment
JEPS25261
Stephanomeria exigua subsp. carotifera
G. Thomas Robbins with John Weiler
1959-8-8
4147
San Luis Obispo
1.5 mi se Oso Flaco Lake
15
Comment
UC907777
Stephanomeria lactucina
G. Thomas Robbins
1945-8-3
2073
El Dorado
below Forni Lake (w slope of Tells Peak); Desolation Valley Wilderness Area, Tells Peak
2438
Comment
UCD136396
Stephanomeria pauciflora
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
JEPS25288
Stephanomeria virgata subsp. pleurocarpa
G. Thomas Robbins with Robert Ornduff and Howard Whisler
1959-10-26
4178
Tuolumne
about one mi e Jacksonville (just w of Kanaka Creek, along State Highway 120 (paralleling Tuolumne River)); Tuolumne River
195
Comment
POM197071
Streptanthus glandulosus
L. F. Robbins
1927-4-15
s.n.
Napa
[no locality information provided]
Comment
UC747405
Streptanthus glandulosus subsp. pulchellus
G. Thomas Robbins
1945-5-5
1870
Marin
n-facing slope of ridge 2-3 mi w Hamilton Field Air Base; Big Rock Ridge
152
Comment
CAS-BOT-BC87524
Streptanthus tortuosus
G. Thomas Robbins
1944-4-23
1562
El Dorado
South Fork American River, about 4 miles north of Camino.
762
Comment
CAS-BOT-BC87525
Streptanthus tortuosus
G. Thomas Robbins
1944-6-17
1708
El Dorado
Above U.S. Highway 50, about 1 mile east of Pyramid Ranger Station.
1676
Comment
CAS-BOT-BC87526
Streptanthus tortuosus
G. Thomas Robbins
1945-6-17
1992
El Dorado
Above Camp Creek, near Baltic Peak.
1036
Comment
GH422300
Streptanthus tortuosus
G. T. Robbins
1944-6-17
1708
Unknown
open southfacing slope above U.S. Highway 50, ca. 1 mi. east of Pyramid Ranger Station
1676
Comment
UC747382
Streptanthus tortuosus
G. Thomas Robbins
1944-6-17
1708
El Dorado
s-facing slope above Hwy 50 about 1 mi e Pyramid Ranger Station
1676
Comment
SBBG72140
Streptanthus tortuosus var. orbiculatus
J. R. and R. C. Robbins
1932-7-14
Mariposa
Chinquapin to Glacier Point
Comment
UC747440
Streptanthus tortuosus var. orbiculatus
G. Thomas Robbins
1943-7-25
1322
El Dorado
slopes above e shore Echo Lake
2286
Comment
UC907713
Streptanthus tortuosus var. orbiculatus
G. Thomas Robbins
1945-6-17
1992
El Dorado
slopes above Camp Creek (near Baltic Peak)
1036
Comment
JEPS7928
Stylocline micropoides
G. Thomas Robbins with R. Bacigalupi, L. Constance, G. W. Gillett, and L. R. Heckard
1952-5-1
3494
Inyo
Titus Canyon Death Valley National Monument, Grapevine Mountains (Grapevine Mountains, Death Valley National Monument)
1524
Comment
SEINET5505503
Styrax officinalis var. californicus
G. Thomas Robbins
1945-1
1934
El Dorado
Along Sweetwater Creek, 3-4 miles south of Salmon Falls
183
Comment
UC747575
Styrax officinalis var. redivivus
G. Thomas Robbins
1945-5-20
1934
El Dorado
along Sweetwater Creek 3-4 mi s Salmon Falls; along Sweetwater Creek, s of Salmon Falls
182
Comment
CAS-BOT-BC48039
Styrax redivivus
G. Thomas Robbins
1945-5-20
1934
El Dorado
Along Sweetwater Creek, 3-4 mi. s. of Salmon Falls.
182
Comment
GH386282
Symphoricarpos albus
G. T. Robbins
1944-6-29
1743
Unknown
small tributary streams of North Fork Webber Creek, about 3 miles east of Camino
914
Comment
UC747083
Symphoricarpos albus var. laevigatus
G. Thomas Robbins
1942-10-22
916
El Dorado
5-6 mi ne Placerville (woods above Iowa Creek)
914
Comment
SBBG69507
Symphoricarpos mollis
J. R. and R. C. Robbins
1932-7-18
El Dorado
W side, Lake Tahoe
2072
Comment
CAS-BOT-BC238919
Symphoricarpos rotundifolius
G. Thomas Robbins
1944-7-28
1783
El Dorado
Along Willow Flat Trail ca. 1/4 mi. w. of Rockbound Pass, Desolation Valley Wilderness Area
2438
Comment
CAS-BOT-BC238920
Symphoricarpos rotundifolius
G. Thomas Robbins
1945-8-12
2139
El Dorado
West of High Meadow on Freel Peak trail, 6-8 mi. SE of Lake Tahoe
2286
Comment
UC747051
Symphoricarpos rotundifolius var. rotundifolius
G. Thomas Robbins
1944-7-28
1783
El Dorado
ca 0.25 mi w Rockbound Pass (slopes along Willow Flat Trail); Desolation Valley Wilderness Area
2438
Comment
UC747100
Symphoricarpos rotundifolius var. rotundifolius
G. Thomas Robbins
1943-7-25
1316
El Dorado
woods along n shore Upper Echo Lake
2286
Comment
JEPS25007
Symphyotrichum chilense
G. Thomas Robbins
1958-9-1
3933
Alameda
along and near mouth of Cordonices Creek, Berkeley-Albany city border Cordonices Creek
Comment
JEPS25272
Symphyotrichum chilense
G. Thomas Robbins
1959-9-6
4159
Alameda
corner of 6th and B sts Hayward
38
Comment
OBI17001
Symphyotrichum chilense
G. Thomas Robbins
1959-9-6
4159
Alameda
Vacant lot at corner of 6th and B Streets, Hayward
38
Comment
UCD81569
Symphyotrichum chilense
W. W. Robbins; W. D. Norton
1927-10-1
830
Yolo
West of Davis.
Comment
CAS-BOT-BC97911
Symphyotrichum frondosum
G. Thomas Robbins
1959-9-27
4164
Alameda
Immediately west of Eastshore Highway, at eastern edge of San Francisco Bay, a short distance south of the Powell St.
Comment
UCD136509
Symphyotrichum hendersonii
Robbins; Raynor
1943-6-1
s.n.
Plumas
Belden.
Comment
UC907769
Symphyotrichum spathulatum
G. Thomas Robbins
1945-8-6
2101
El Dorado
Long Meadow, near Schlien Ranger Station
1676
Comment
UCD136631
Symphyotrichum spathulatum
W. W. Robbins; W. D. Norton
1927-10-1
831
Yolo
West of Davis.
Comment
JEPS8001
Syntrichopappus fremontii
G. Thomas Robbins and Rimo Bacigalupi
1952-4-28
3466
Kern
3.5 mi e Walker Pass (along State Highway 178); Freeman Canyon
1295
Comment
SD173725
Tamarix ramosissima
Jolynn Robbins, Joe Barth
2004-8-2
29
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
UC1084375
Taraxacum officinale
G. Thomas Robbins
1937-3-27
48
Sonoma
Santa Rosa
Comment
UCD107055
Taraxia tanacetifolia
W. W. Robbins
1937-6-13
s.n.
Unknown
County unknown: Pacific Highway near Weed.
Comment
A355457
Taxus brevifolia
G. T. Robbins
1943-10-5
1397
Unknown
ca. 3 mi. e. of Camino, El Dorado Co.
975
Comment
RSA92971
Taxus brevifolia
G. Thomas Robbins
1943-10-5
1397
El Dorado
Shady woods in a ravine ca. 3 miles E of Camino.
976
Comment
CAS-BOT-BC447424
Tellima grandiflora
G. Thomas Robbins
1944-5-28
1633
El Dorado
along Long Creek, 1-2 miles from its confluence with South Fork American River
762
Comment
UC747379
Tellima grandiflora
G. Thomas Robbins
1943-5-23
1083
El Dorado
3 mi e Camino (woods along North Fork Webber Creek); North Fork Webber Creek
914
Comment
OBI19091
Tetragonia tetragonoides
G. Thomas Robbins
1958-5-25
3839
Alameda
Bay Farm Island, just S of San Leandro about 1/2 I E of Maitland Dr, Alameda
Comment
UC747446
Thalictrum fendleri
G. Thomas Robbins
1943-7-25
1291
El Dorado
edge of small lake on slopes above Medley Lakes (reservoir); Desolation Valley Wilderness Area
2590
Comment
RSA46757
Thalictrum fendleri
G. Thomas Robbins
1943-7-25
1291
El Dorado
At edge of small lake on rocky slopes above Medley Lakes (reservoir) Desolation Valley Wilderness.
2591
Comment
UC747445
Thalictrum fendleri var. polycarpum
G. Thomas Robbins
1944-6-29
1742
El Dorado
small stream near North Fork Webber Creek (about 3 mi e of Camino)
914
Comment
UCD117116
Thamnosma montana
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment
UC747361
Thysanocarpus curvipes
G. Thomas Robbins
1944-4-14
1513
Marin
2-3 mi w Hamilton Field Air Base (on n slope of Big Rock Ridge); w of Hamilton Field Air BAse, n slope Big Rock Ridge
152
Comment
UCD115965
Thysanocarpus curvipes
W. W. Robbins
1928-4-29
1677
Sacramento
American River.
Comment
CAS-BOT-BC88267
Thysanocarpus curvipes
G. Thomas Robbins
1945-5-27
1955
El Dorado
About 1 mile north of Pleasant Valley.
762
Comment
UC1084484
Thysanocarpus radians
G. Thomas Robbins
1938-4-15
260
Sonoma
along road to Graton 6-7 mi w Santa Rosa
Comment
UCD116046
Thysanocarpus radians
W. W. Robbins
1926-4-17
533
Nevada
Grass Valley.
Comment
UC907667
Tonella tenella
G. Thomas Robbins
1944-4-23
1553
El Dorado
about 5 mi n Camino (along shore of South Fork American River, near Michigan-California Lumber Co. Railroad Tramway); South Fork American River
792
Comment
A355431
Torreya californica
G. T. Robbins
1943-3-28
972
Unknown
along Michigan-California Lumber Co. R. R. above South Fork American River
914
Comment
UC747691
Torreya californica
G. Thomas Robbins
1944-4-30
1579
El Dorado
in shady places along South Fork Webber Creek 3-4 mi ne of Newtown; South Fork Webber Creek
914
Comment
JEPS7983
Trichophorum clementis
G. Thomas Robbins, Peter H. Raven
1954-7-19
3621
Inyo
meadow at edge of stream outlet Consultation Lake; Lone Pine Canyon, edge stream outlet Consultation Lake
3590
Comment
SD185761
Trichostema lanceolatum
Jolynn Robbins
2006-9-4
54
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
UC747560
Trichostema oblongum
G. Thomas Robbins
1943-7-6
1242
El Dorado
3 mi E of Camino (on canyon slope above North Fork Webber Creek)
975
Comment
UC746995
Trifolium breweri
G. Thomas Robbins
1944-6-11
1673
El Dorado
2-3 mi ne Riverton (along Ice House Rd)
1219
Comment
OBI12716
Trifolium depauperatum var. amplectens
G. Thomas Robbins
1959-4-11
3975
Alameda
About 1/4 mi N of the W end of Depot Rd, adj to (just E of) the American Salt Co evaporating ponds along the shore of San Francisco Bay, about 1-3/4 mi NW of Mt Eden and about 3/4 mi S of Russell
2
Comment
OBI12717
Trifolium depauperatum var. depauperatum
G. Thomas Robbins
1959-4-11
3976
Alameda
About 1/4 mi N of the W end of Depot Rd, adj to (just E of) the American Salt Co evaporating ponds along the shore of San Francisco Bay, about 1-3/4 mi NW of Mt Eden and about 3/4 mi S of Russell
2
Comment
UC1084487
Trifolium fucatum
G. Thomas Robbins
1938-5-19
263
Sonoma
sw Santa Rosa (along Sandy Point Rd)
Comment
UCD111225
Trifolium hybridum
Robbins and Raynor
1943-6-1
s.n.
Plumas
Belden.
Comment
UCD111226
Trifolium hybridum
Robbins; Raynor
1943-6-1
s.n.
Plumas
Belden.
Comment
JEPS8229
Trifolium incarnatum
G. Thomas Robbins
1954-5-8
3618
Marin
1 mi w Ignacio (upper end of Arroyo San Jose)
30
Comment
UC746993
Trifolium longipes var. hansenii
G. Thomas Robbins
1944-6-17
1706
El Dorado
ca 1 mi e Pyramid Ranger Station (along bank of South Fork American River)
1676
Comment
JEPS25147
Trifolium macraei
G. Thomas Robbins
1959-5-17
4017
Alameda
just ne junction of Park Blvd, Skyline Blvd, and Manzanita Dr (at summit of hills); Okland Hills, Contra Costa County boundary
Comment
UC747293
Trifolium microcephalum
G. Thomas Robbins
1943-4-30
1054
El Dorado
3 mi e Placerville (slope w of the Institute of Forest Genetics)
762
Comment
UC746989
Trifolium variegatum var. melananthum
G. Thomas Robbins
1945-4-22
1856
El Dorado
ca 2.5 mi e Shingle Springs
457
Comment
UC746990
Trifolium variegatum var. melananthum
G. Thomas Robbins
1943-4-21
1021
El Dorado
3 mi e Placerville (near Institute of Forest Genetics)
762
Comment
JEPS25101
Trifolium variegatum var. variegatum
G. Thomas Robbins
1959-4-11
3975
Alameda
ca 1/4 mi n west end of Depot Rd (just e of the American Salt Co. evaporating ponds along the San Francisco Bay shore, ca 1 3/4 mi nw of Mt. Eden and 3/4 mi s of Russell)
1
Comment
JEPS25111
Trifolium willdenovii
G. Thomas Robbins
1959-4-5
3970
Alameda
at corner of 61st St. and Shattuck Ave. vacant lot; Oakland
33
Comment
UC1057455
Trifolium willdenovii
G. Thomas Robbins
1937-4-17
133
Contra Costa
near Point Richmond
Comment
UC746988
Trifolium willdenovii
G. Thomas Robbins
1945-5-17
1911
El Dorado
ca 3 mi e Camino (above North Fork Webber Creek)
1005
Comment
UC1057464
Trifolium wormskioldii
G. Thomas Robbins
1937-5-23
197
Sonoma
ca 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region
Comment
JEPS22043
Triglochin maritima
G. Thomas Robbins
1958-7-4
3886
Alameda
about 1/4 mi s East Creek Slough (at the ne edge of San Leandro Bay, Oakland); nw edge San Leandro Bay, Oakland
Comment
JEPS25133
Triglochin maritima
G. Thomas Robbins
1959-4-25
4001
Alameda
just s of the Emeryville interchange (Powell St.) at the western edge Eastshore Highway (Emeryville, shore of San Francisco Bay); shore San Francisco Bay, Emeryville
Comment
JEPS25134
Triglochin maritima
G. Thomas Robbins
1959-4-25
4002
Alameda
w edge of Eastshore Hwy just s Emeryville interchange (Powell St.); San Francisco Bay, Emeryville
Comment
JEPS25148
Triglochin maritima
G. Thomas Robbins with S. Galen Smith
1959-5-21
4018
Alameda
just s of the Emeryville interchange (Powell St.) along w edge Eastshore Highway (Emeryville, edge San Francisco Bay); edge San Francisco Bay, Emeryville
Comment
JEPS7968
Triglochin palustris
G. Thomas Robbins and Peter H. Raven
1954-7-27
3638
Tulare
upper meadow Sequoia National Park, Crabtree Meadows (shallow pond)
3139
Comment
UC1057434
Trillium albidum
G. Thomas Robbins
1937-3-25
3
Sonoma
Sonoma Creek Bennett Valley, Sonoma Creek
Comment
UC1084348
Trillium albidum
G. Thomas Robbins
1937-3-25
2
Sonoma
Sonoma Creek Bennett Valley, Sonoma Creek
Comment
CAS-BOT-BC519075
Trillium angustipetalum
G. Thomas Robbins
1943-4-10
984
El Dorado
Along bank of North Fork Webber Creek, 3 miles east of Camino
944
Comment
UC1057438
Trillium chloropetalum
G. Thomas Robbins
1937-3-26
27
Sonoma
creek along rd. e. of Bodega Bay
Comment
UCD123388
Triphysaria eriantha
W. W. Robbins
1926-4-17
532
Nevada
Grass Valley.
Comment
JEPS23817
Triphysaria eriantha subsp. eriantha
G. Thomas Robbins
1959-4-11
3980
Alameda
about 1 3/4 mi w (and slightly n) Mt. Eden crossroads (about 3/4 mi s of Russell, about 1/4 mi n of w end of Depot Road, just e of American Salt Co. evaporating ponds); along shore of San Francisco Bay
1
Comment
UC747120
Triphysaria eriantha subsp. eriantha
G. Thomas Robbins
1945-4-22
1858
El Dorado
about 2 1/2 mi e Shingle Springs; e of Shingle Springs
457
Comment
JEPS7449
Triphysaria pusilla
G. Thomas Robbins
1952-4-5
3411
Mendocino
in upper Van Damme State Park (about 3 mi se of Little River); in upper Van Damme State Park, se of Little River
Comment
UC747078
Triphysaria pusilla
G. Thomas Robbins
1944-4-30
1578
El Dorado
3-4 mi ne Newtown (along South Fork Webber Creek); along South Fork Webber Creek
914
Comment
JEPS19394
Triphysaria versicolor subsp. faucibarbata
G. Thomas Robbins
1937-6-6
238
Sonoma
along roadside near Bodega Bay; near Bodega Bay
Comment
JEPS19396
Triphysaria versicolor subsp. faucibarbata
G. Thomas Robbins
1938-4-15
262
Sonoma
along road to Graton 6-7 mi w Santa Rosa
Comment
CAS-BOT-BC519138
Triteleia hyacinthina
G. Thomas Robbins
1944-6-27
1741
El Dorado
Above North Fork Webber Creek, ca. 3 miles east of Camino
975
Comment
CAS-BOT-BC522281
Triteleia hyacinthina
G. Thomas Robbins
1943-4-18
1010
Sacramento
Carmichael district, 15 mi. NE of Sacramento
Comment
UC747524
Triteleia ixioides subsp. scabra
G. Thomas Robbins
1945-5-20
1945
El Dorado
nw of Rescue (along Deer Valley Road)
304
Comment
CAS-BOT-BC525786
Triteleia ixioides subsp. unifolia
G. Thomas Robbins
1943-4-29
1048
El Dorado
C.C.C. Camp Snowline, 3 mi. e. of Camino
1036
Comment
UC747530
Triteleia laxa
G. Thomas Robbins
1943-4-18
1009
Sacramento
15 mi ne Sacramento; Carmichael district
Comment
UC565400
Triteleia peduncularis
G. Thomas Robbins
1937-6-5
216
Sonoma
about ten mi w Santa Rosa (Vine Hill region, Pitkin Ranch); Vine Hill region, Pitkin Ranch
Comment
JEPS8336
Tropidocarpum gracile
G. Thomas Robbins and Rimo Bacigalupi
1952-4-26
3467
Kern
along State Hwy 178 3.5 mi e Walker Pass; Freeman Canyon
1295
Comment
UCD134691
Tsuga heterophylla
W. W. Robbins
1941-11-1
s.n.
Del Norte
Fort Dick.
Comment
UC747687
Tsuga mertensiana
G. Thomas Robbins
1943-6-27
1211
El Dorado
rocky ridge above Echo Summit Pass (about 0.75 mi sw of U. S. Highway 50)
2438
Comment
UC1084365
Ulex europaeus
G. Thomas Robbins
1937-3-26
31
Sonoma
Forming dense thickets along road W of Bodega.
Comment
JEPS8055
Uropappus lindleyi
G. Thomas Robbins
1953-5-8
3519
Calaveras
near Mercer Cave (about 1.5 mi n of Murphys)
701
Comment
JEPS25108
Urtica urens
G. Thomas Robbins
1959-4-11
3982
Alameda
about 1/2 mi w of Mount Eden (just e of Mount Eden Cemetary, along Depot Road); Depot Road
10
Comment
UC747671
Vaccinium cespitosum
G. Thomas Robbins
1943-7-25
1299
El Dorado
along trail on e shore Medley Lakes (Reservoir); Desolation Valley Wilderness Area
2438
Comment
GH363257
Vaccinium parvifolium
G. T. Robbins
1945-8-5
2083
Unknown
rocky slope along north shore of Rockbound Lake, Rockbound Valley, Desolation Valley Wilderness Area
2011
Comment Read comments Feb 8 2016
CAS-BOT-BC199400
Vaccinium shastense subsp. nevadense
G. Thomas Robbins
1945-8-5
2083
El Dorado
Along north shore of Rockbound Lake, Rockbound Valley, Desolation Valley Wilderness Area
2011
Comment
CAS-BOT-BC199401
Vaccinium shastense subsp. nevadense
G. Thomas Robbins
1944-5-28
1639
El Dorado
Along borders of Long Creek, 1-2 mi. from its confluence with South Fork American River
762
Comment
UC747042
Valeriana californica
G. Thomas Robbins
1943-6-27
1228
El Dorado
on slopes se Echo Summit Pass
2438
Comment
JEPS8282
Velezia rigida
G. Thomas Robbins and Lawrence R. Heckard
1953-6-1
3574
Stanislaus
on road to Waterford 3.6 mi w La Grange (above Tuolumne River); above Tuolumne River
Comment
UC747548
Veratrum californicum var. californicum
G. Thomas Robbins
1943-7-25
1315
El Dorado
along n shore Upper Echo Lake
2286
Comment
UCD125991
Verbena lasiostachys
G. Thomas Robbins
1953-5-30
3542
Tulare
road to Balch Park, about one-half mile east of Milo junction and 7.5 miles north of Springville.
609
Comment
UCD125992
Verbena lasiostachys
W. W. Robbins
1941-8-8
s.n.
Mendocino
Round Valley.
Comment
JEPS8062
Verbena lasiostachys var. lasiostachys
G. Thomas Robbins and Lawrence R. Heckard
1953-5-30
3542
Tulare
7.5 mi n Springville (on road to Balch Park, ca 1/2 mi e of Milo junction)
609
Comment
JEPS19383
Veronica persica
G. Thomas Robbins
1937-3-27
45
Sonoma
Santa Rosa
Comment
JEPS21998
Veronica persica
G. Thomas Robbins
1958-4-13
3811
Alameda
about 1/2 mi s of the Mission Road junction (along Calaveras Road in Sunol Valley); Sunol Valley
76
Comment
JEPS15541
Veronica serpyllifolia subsp. humifusa
G. Thomas Robbins with L. R. Heckard
1956-7-25
3699
Lake
at e base of ridge that forms a se extension of Snow Mountain West (about 1/2 mi airline from its summit, into the headwaters of Bear Creek, a trib. of Rice Fork of Eel River)
1981
Comment
UC1084414
Vicia americana var. americana
G. Thomas Robbins
1937-4-11
104
San Mateo
near Redwood City
Comment
UC1084368
Vicia sativa
G. Thomas Robbins
1937-3-26
34
Sonoma
just e Bodega (along road to Bodega)
Comment
UC907694
Vicia sativa subsp. nigra
G. Thomas Robbins
1943-5-7
1076
El Dorado
3 mi e Placerville; Institute of Forest Genetics Arboretum
822
Comment
UC1084366
Vinca major
G. Thomas Robbins
1937-3-26
32
Sonoma
along rd. to Bodega Bay just w. of Bodega
Comment
CAS-BOT-BC263921
Viola adunca
G. Thomas Robbins
1945-7-1
2020
El Dorado
Near Lyons Creek along road ca. 4 miles S of Wrights Lake
2042
Comment
SBBG69169
Viola adunca
J. R. and R. C. Robbins
1932-7-14
Mariposa
Chinquapin to Glacier Point
Comment
UC907739
Viola adunca
G. Thomas Robbins
1945-7-1
2020
El Dorado
4 mi s of Wrights Lake (near Lyons Creek along road)
2042
Comment
SEINET195171
Viola bakeri
G. T. Robbins
1945-7-1
2019
El Dorado
Near Lyons Creek along road ca. 4 mi. S. of Wrights Lake
2042
Comment
UC907738
Viola bakeri
G. Thomas Robbins
1945-7-1
2019
El Dorado
4 mi s of Wrights Lake (near Lyons creek along road)
2042
Comment
UC1057435
Viola douglasii
G. Thomas Robbins
1937-3-25
9
Sonoma
8-10 mi e of Santa Rosa (near Golf and Country Club); Santa Rosa Creek Canyon
Comment
SEINET195644
Viola glabella
G. T. Robbins
1943-6-27
1226
El Dorado
Near Echo Summit Pass
2286
Comment
UC746945
Viola macloskeyi
G. Thomas Robbins
1944-5-7
1587 a
El Dorado
5 mi s of Pollock Pines (n of Sly Park Meadow, along tributary of Park Creek); Park Creek
1005
Comment
UCD110698
Viola ocellata
W. W. Robbins; S. W. Winter
Date Unknown
778
Sutter
Sutter Basin.
Comment
SBBG78628
Viola pedunculata
R. C. and J. R. Robbins
-Mar-1921
Santa Barbara
Santa Cruz Island
Comment
UC1057444
Viola pedunculata
G. Thomas Robbins
1937-4-11
84
San Mateo
on slopes above Spring Valley Lake (s of San Francisco)
Comment
UC1057466
Viola pedunculata
G. Thomas Robbins
1940-3-16
275
Alameda
1 mi w of Corral Hollow (on road to Tracy)
381
Comment
UC746941
Viola sheltonii
G. Thomas Robbins
1943-4-10
982
El Dorado
3 mi e of Camino (North Fork Webber Creek); North Fork Webber Creek
944
Comment
GH382063
Viola tomentosa
G. T. Robbins
1944-6-18
1731
Unknown
on slopes above North Fork Cosumnes River at Capps Crossing, El Dorado National Forest (T. 9N. R. 14 E Sec. 9)
1524
Comment
SEINET195173
Viola tomentosa
G. T. Robbins
1945-8-5
2099
El Dorado
Pine woods along road ca. 1 mi. W of Wentworth Springs
1829
Comment
UC1716059
Viola tomentosa
G. Thomas Robbins
1944-6-18
1731
El Dorado
above North Fork Cosumnes River at Capps Crossing El Dorado National Forest
1524
Comment
UC1762034
Viola tomentosa
G. Thomas Robbins
1945-8-5
2099
El Dorado
ca. 1 mi W of Wentworth Springs
Comment
UC746935
Viola tomentosa
G. Thomas Robbins
1945-8-5
2099
El Dorado
1 mi w of Wentworth Springs (along road)
1828
Comment
UCD102812
Vitis californica
Robbins and Raynor
1943-6-1
s.n.
Plumas
Feather River Canyon near Virgilia.
Comment
SEINET197067
Vulpia microstachys var. ciliata
G. Thomas Robbins
1972
El Dorado
Shady Ponderosa pine woods near CCC Camp Snowline, 3 miles east of Camino.
1036
Comment
UC907635
Vulpia microstachys var. ciliata
G. Thomas Robbins
1945-6-8
1972
El Dorado
3 mi e Camino (near C.C.C. Camp Snowline)
1036
Comment
SEINET197066
Vulpia microstachys var. pauciflora
G. Thomas Robbins
1920
El Dorado
Along Placerville-Rescue road, 3 mi. E. of Rescue.
457
Comment
UCD116384
Wislizenia refracta
W. W. Robbins; A. S. Crafts
1931-9-18
2258
Stanislaus
Modesto - Justine.
Comment
JEPS8228
Wislizenia refracta subsp. californica
G. Thomas Robbins with D. M. Post, J. W. Dawson, and P. H. Raven
1954-9-3
3646
Stanislaus
along Vernalis-Modesto rd (Maze Rd) 5.4 mi e Vernalis (1.8 mi e of bridge crossing the San Joaquin River)
7
Comment
UCD116388
Wislizenia refracta subsp. californica
G. Thomas Robbins; D. M. Post, J. W. Dawson and P. H. Raven
1954-9-3
3646
Stanislaus
Along Vernalis-Modesto Road (Maze Road), 5.4 miles east of Vernalis and 1.8 miles east of bridge crossing the San Joaquin River.
7
Comment
UC1084382
Wyethia angustifolia
G. Thomas Robbins
1937-4-11
85
San Mateo
on slopes above Spring Valley Lake (s of San Francisco)
Comment
UC747170
Wyethia angustifolia
G. Thomas Robbins
1944-6-27
1736
El Dorado
grassy ravine on canyon slope above North Fork Webber Creek (ca 3 mi e of Camino)
975
Comment
UC747211
Wyethia glabra
G. Thomas Robbins with J. T. Howell
1945-5-9
1891
Marin
1 mi n Ignacio
0
Comment
CAS-BOT-BC383374
Wyethia helenioides
G. Thomas Robbins
1944-5-5
1583
El Dorado
Near Institute of Forest Genetics, about 3 mi. e. of Placerville
762
Comment
UC747162
Wyethia helenioides
G. Thomas Robbins
1944-5-5
1583
El Dorado
about 3 mi e Placerville (near Institute of Forest Genetics)
762
Comment
SBBG60855
Wyethia mollis
R. C. and J. R. Robbins
1932-7-17
Mono
Tioga Pass, close to Tuloumne County line
Comment
UC747154
Wyethia mollis
G. Thomas Robbins
1945-7-8
2040
El Dorado
in pine woods near Al Tahoe; Lake Tahoe
1920
Comment
SEINET8734376
Wyethia reticulata
G. Thomas Robbins
1945-1
2013
El Dorado
along Green Valley Road for 1/4 mi. immediately w. of Rescue (T.10N, R.9E, Sec. 23)
396
Comment
SD185571
Xanthium strumarium
Jolynn Robbins
2006-9-4
58
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
SD45203
Xylorhiza tortifolia
G. Thomas Robbins
1950-4-7
3328
Inyo
ca. 0.5 mile north and east of Little Lake
910
Comment
UC746909
Yabea microcarpa
G. Thomas Robbins
1944-5-21
1618
El Dorado
ca 3 mi e Camino (on canyon slope above North Fork Webber Creek)
975
Comment
CAS-BOT-BC454200
Zannichellia palustris
G. Thomas Robbins
1958-10-11
3951
Alameda
In southwestern San Leandro, at the west end of Boxwood Ave.
Comment
UC747519
Zigadenus exaltatus
G. Thomas Robbins
1943-5-2
1060
El Dorado
canyon slope above creek about 3 mi e Camino; North Fork Webber Creek
914
Comment
UC747013
Zigadenus venenosus var. venenosus
G. Thomas Robbins
1944-7-28
1782
El Dorado
near Rockbound Pass (Willow Flat Trail); Desolation Valley Wilderness Area
2438
Comment