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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
RSA0029772
Acacia cyclops
Barbara J. Ertter
1990-10-14
9660
Contra Costa
Point Isabel Regional Shoreline on San Francisco Bay in SW El Cerrito, on abandoned railroad track at end of Rydin Road.
Comment
UCD104647
Acacia dealbata
Rudolf Schmid
1997-5-21
1997 -12
Contra Costa
Hillside Natural Area, El Cerrito; nw. of King Ct. entrance.
575
Comment
UC1050738
Acacia pycnantha
N. Floy Bracelin
1941-4-6
1113
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC1051238
Acacia retinodes
N. Floy Bracelin
1942-9-13
2291
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
SD45087
Acacia verticillata
W. W. Jones
1927-4-5
Contra Costa
Crockett
Comment
UC1050368
Acacia verticillata
N. Floy Bracelin
1942-7-4
2172
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
JEPS42649
Acer macrophyllum
W. L. Jepson
1908-4-4
3005
Contra Costa
West Branch San Pablo Creek
Comment Read comments Jul 7 2011
UC18109
Acer macrophyllum
Harley P. Chandler
1901-4-5
941
Contra Costa
Mt. Diablo
Comment
UC1050967
Acer macrophyllum
N. Floy Bracelin
1941-4-8
2647
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
SEINET3195242
Acer negundo var. californicum
Annetta Carter
1937-4-4
1229
Contra Costa
Creek bank, Moraga Valley, 2.5 miles north of Moraga
180
Comment
CDA29142
Achillea millefolium
D. G. Kelch
2006-5-7
6 .148
Contra Costa
Carquinez Strait.; Crockett. Upper Edward s Canyon.
Comment
CHSC23362
Achillea millefolium
Willis Ball
1975-4-19
520
Contra Costa
Contra Loma Regional Park. In area #2. On n facing slope ca. 100 yds nw of boat ramp on w side of lake.
36
Comment
JEPS100121
Achillea millefolium
G. Smick
2003-4-22
GAS 141
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
SEINET242634
Achnatherum thurberianum
M. E. Barkworth, S. W. L. Jacobs; Betty Jacobs
2003-4-7
2003 /4
Contra Costa
Tilden Regional Park, east of Berkeley
Comment
CAS-BOT-BC29884
Achyrachaena mollis
Alice Eastwood
1921-4-18
10250
Contra Costa
Antioch
Comment
CDA29508
Achyrachaena mollis
D. G. Kelch, Troy MacGregor
2009-5-1
9 .284
Contra Costa
Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd.
Comment
CHSC23339
Achyrachaena mollis
Willis Ball
1974-4-21
426
Contra Costa
Contra Loma Regional Park. In area #1. On the n side of road leading to main parking lot ca. 50 yds e of parking lot. 2 yds off road.
38
Comment
JEPS111752
Achyrachaena mollis
D. G. Kelch
2005-4-15
05 .153
Contra Costa
Rodeo Creek EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump)
220
Comment
JEPS36721
Achyrachaena mollis
Anna E. Ehlers
1920-5-23
582
Contra Costa
Trampas Canon
Comment
UC565420
Achyrachaena mollis
Chas. M. Belshaw
1935-5-24
778
Contra Costa
n face Bald Peak; Oakland and Berkeley Hills, Bald Peak
Comment
POM181443
Achyrachaena mollis
I. L. Wiggins
1930-4-17
s.n.
Contra Costa
1 mile E of Mountain House on road to Byron
Comment
POM54988
Achyrachaena mollis
C. F. Baker
1903-4-27
2795
Contra Costa
Byron.
Comment
SEINET11854800
Achyrachaena mollis
Ottley
1920-1
486
Contra Costa
San Francisco Bay Region. Field near Eagle Point, Mt. Diablo
213
Comment
JEPS112327
Acmispon americanus
Dean G. Kelch and Andrew G. Murdock
2004-7-16
04 .321
Contra Costa
Martinez- South; County: Contra Costa; Pine St. Entrance Rte 4 heading west. Martinez, CA.
Comment
JEPS111509
Acmispon glaber
Dean G. Kelch and Andrew G. Murdock
2005-5-13
05 .271
Contra Costa
Martinez - South; County: Contra Costa; Tall hill in South Martinez and North of I-4.
Comment
JEPS112353
Acmispon glaber
Dean G. Kelch and Andrew G. Murdock
2004-4-3
04 .054
Contra Costa
Crockett - Tormey Headlands, County: Contra Costa; Road cut west of I-80 and Cummings Skyway junction.
Comment
CHSC23289
Acmispon wrangelianus
Carol Getzinger
1964-4-11
Contra Costa
Along Arlington Boulevard at Patterson Circle, Richmond.
30
Comment
UCD104491
Acmispon wrangelianus
Morris Halperin
1929-4-21
s.n.
Contra Costa
Moraga Valley.
Comment
CDA35657
Acroptilon repens
Vince Guise
2011-8-2
PDR# 1649692
Contra Costa
Discovery Bay; southwest corner of Discovery Bay Blvd. and Clipper Dr.
0
Comment
JEPS112048
Adiantum jordanii
D. G. Kelch
2005-1-21
05 .6
Contra Costa
Crockett - West Valona Collected along railroad tracks in West Valona across from the decommissioned sewage treatment plant. On north-facing slopes with Quercus agrifolia and Heteromeles arbulifolia and Pinus pinea
8
Comment
LA205595
Aesculus californica
J. A. Ewan;
1936-5-31
9715
Contra Costa
Wildcat Creek
Comment
POM136961
Aesculus californica
Ivar Tidestrom
1895-06
s.n.
Contra Costa
[No location information on label.]
Comment
UC723807
Aesculus californica
Joseph Andorfer Ewan
1935-2-3
9082
Contra Costa
0.25 mi below Orinda road bridge (Wildcat Creek); Wildcat Creek
Comment
SEINET12232133
Aesculus californica
M. T. Dorett
1930-1
77
Contra Costa
Marsh Creek
Comment
UC400161
Agoseris grandiflora var. grandiflora
Ynes Mexia
1929-4-21
2370
Contra Costa
in open fields of grass Moraga Valley
Comment
UCD84956
Agoseris grandiflora var. grandiflora
Chuck Hughes
2010-5-21
228
Contra Costa
About 0.8 mile northwest of Vasco Road.
335
Comment
CAS-BOT-BC22969
Agoseris heterophylla
H. M. Hall
1901-4-5
1726
Contra Costa
Mt. Diablo
396
Comment
CAS-BOT-BC22972
Agoseris heterophylla
Alice Eastwood
1915-5-30
4472
Contra Costa
Mt. Diablo
Comment
JEPS36280
Agoseris retrorsa
W. L. Jepson
1921-5-22
9208
Contra Costa
summit Mt. Diablo
Comment
CDA29002
Agrostis avenacea
D. G. Kelch
2006-11-11
06 .505-B
Contra Costa
Carquinez Strait; Along RR tracks N of Pt Pinole in swale W of RR.
Comment
RSA666409
Agrostis avenacea
Barbara Ertter, Brad Olson
1991-9-28
10831
Contra Costa
San Pablo Reservoir between Orinda and El Sobrante
91
Comment
CAS-BOT-BC127341
Agrostis exarata
Mary L. Bowerman
1933-8-26
2413
Contra Costa
Mount Diablo. At and below Lower Canyon Spring.
975
Comment
UCD52550
Agrostis exarata var. pacifica
Beecher Crampton
1959-9-3
5455
Contra Costa
cleared bed of Bear Creek, 2 miles north of Orinda.
Comment
UCD149001
Agrostis pallens
D. Kelch; Suzanne Latham, Matt Beyers
2009-6-3
09. 335
Contra Costa
El Sobrante Ridge at end of Silver Belt Dr.
198
Comment
RSA0033844
Agrostis stolonifera
Barbara Ertter
2000-7-16
17383
Contra Costa
Diablo Foothills Regional Park, along Pine Creek between Castle Rock Recreation Area and flood-control checkdam.
106
Comment
UC2028465
Agrostis stolonifera
Barbara Ertter with Richard Rabeler, Tony Morosco
1997-6-10
15670
Contra Costa
Martinez Regional Shoreline, south edge of Carquinez Strait
Comment
UC1818968
Aira caryophyllea
Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa
1995-10-22
14527
Contra Costa
Three Springs Trail on northeast side of Mt. Diablo, south of crest of Marsh Creek Rd. southeast of Clayton dried grasslands at base of trail.
304
Comment
RSA720795
Aira caryophyllea var. cupaniana
Mary L. Bowerman
1995-5-28
s.n.
Contra Costa
Mount Diablo. Knoll, N. of Wall Pt. Trail. Trail to Pine Pond from Wall Pt. fire rd.
305
Comment
UC2028390
Alisma lanceolatum
Barbara Ertter with Tony Morosco
1998-7-11
16375
Contra Costa
Antioch Regional Shoreline under south end of Antioch Bridge, edge of water on riprap
Comment
UC692094
Alisma plantago-aquatica
Mary L. Bowerman
1933-9-9
2429
Contra Costa
Frog Pond Mount Diablo
Comment
UC116547
Allenrolfea occidentalis
K. Brandegee
1885-1
Contra Costa
near Antioch Antioch
Comment
CAS-BOT-BC175358
Allenrolfea occidentalis
T. C. Fuller
1965-11-24
14321
Contra Costa
On the slopes of the drainageway from Byron Hot Springs, s. side Byron Hot Springs Rd., 0.6 mi. s.w. of Byron-Tracy Hwy, ca. 1 mi. s.w. of Byron
Comment
UC3071
Allium falcifolium
W. H. Brewer
1862-5-7
1060
Contra Costa
summit Monte Diablo; summit of Mt. Diablo
Comment
UC3107
Allium serra
Brewer
1022
Contra Costa
Walnut Creek
Comment
UC72519
Allium serra
Harley P. Chandler
1901-3-22
852
Contra Costa
Martinez
Comment
RSA59637
Allium serra
Verne Grant, Alva Grant
1950-5-13
8896
Contra Costa
Saddle between N & Meridian peaks, Mt. Diablo.
Comment
UC2013015
Allium serra
Barbara Ertter
1991-5-5
9782
Contra Costa
Black Diamond Mines Regional Preserves S of Pittsburg, N-facing slope below Black Diamond Trail in SW corner of park.
Comment
UC692022
Allium unifolium
Mary L. Bowerman
1932-5-6
1425
Contra Costa
near road, Mitchell Canyon Mt. Diablo, Mitchell Canyon
243
Comment
CAS-BOT-BC476607
Allium unifolium
John Thomas Howell
1931-5-12
6469
Contra Costa
Oakland Hills
Comment
SEINET11268247
Allophyllum gilioides
Barbara Ertter, Tony Morosco
1998-4-12
16021
Contra Costa
Mount Olympia on north side of Mount Diablo, Olympia Road down ridge west of summit.; 0
853
Comment
UC2027998
Allophyllum gilioides
Barbara Ertter with Tony Morosco
1998-4-12
16021
Contra Costa
Mount Olympia on north side of Mount Diablo, Olympia Road down ridge west of summit.
Comment
SEINET12027584
Alnus rhombifolia
L. S. Rose
1938-1
38307
Contra Costa
Marsh Creek, 6 mi E of Clayton
152
Comment
RSA181895
Alopecurus myosuroides
George Murray
1964-5-24
s.n
Contra Costa
Near San Pablo Dam
Comment
UC2028370
Amaranthus albus
Barbara Ertter
1998-6-20
16247
Contra Costa
Shell Ridge Open Space on NW side of Mount Diablo, Briones-Mount Diablo Trail SW of Old Borges Ranch
Comment
UC2027978
Amaranthus blitoides
Barbara Ertter with Mary Bowerman
1996-11-1
15397 a
Contra Costa
North base of Mount Diablo, downstream from Mitchell Canyon parking lot.
Comment
POM300589
Amaranthus californicus
Mary L. Bowerman
1935-9-13
3343
Contra Costa
Frog Pond
Comment
SEINET3840792
Amaranthus cruentus
Dean G. Kelch, Andrew G. Murdock
2005-6-27
5 .392
Contra Costa
Carquinez Strait, Sixth street at Lillian Street in vegetable garden, Crockett, common garden weed
33
Comment
CDA7886
Amaranthus deflexus
D. G. Kelch, A. G. Murdock
2004-7-9
04 .291-B
Contra Costa
Carquinez Strait; Crockett; Edwards Creek, immediately below high school.
Comment
UCD97779
Amaranthus retroflexus
J. D. Sauer
1953-8-14
1640
Contra Costa
Near Marsh Creek Lodge.
Comment
CDA9966
Ambrosia chamissonis
D. G. Kelch, A. G. Murdock
2004-7-9
4 .312
Contra Costa
Carquinez Strait; Rodeo Shore. Rodeo Shoreline.
Comment
SEINET11910975
Amelanchier alnifolia
W. Knight, Knight, I.
1983-1
4741
Contra Costa
Tilden Botanic Garden, Berkeley
Comment
JEPS102911
Ammannia coccinea
Lisa Schultheis with Kevin Hintsa
1995-8-20
260 -95
Contra Costa
Macedo Ranch, N edge, near house Mount Diablo
Comment
RSA0090926
Amsinckia eastwoodiae
A. A. Heller
1941-3-24
15906
Contra Costa
Byron Springs.
Comment
UC1094074
Amsinckia eastwoodiae
Francia Chisaki
1952-3-13
201
Contra Costa
0.25 mi s of Hwy 50 on Mountain House Road
Comment
JEPS88005
Amsinckia intermedia
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8130
Contra Costa
ca. 15 air mi. s.w. Stockton (w. and adjacent to Clifton Court Forebay)
Comment
SEINET12479829
Amsinckia intermedia
R. R. Halse
1988-2-20
3541
Contra Costa
Along State Hwy 4, near its junction with Balfour Road, S edge of Brentwood.
23
Comment
RSA0068499
Amsinckia intermedia
Katie Gallagher, Nick Jensen
2014-4-26
175
Contra Costa
Las Trampas Regional Wilderness.
365
Comment
RSA0090977
Amsinckia intermedia
Barbara Ertter, Jim Jokerst, Dave Magney
1989-4-5
8130
Contra Costa
West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton.
0
Comment
RSA31867
Amsinckia intermedia
A. A. Heller
1938-4-9
15014
Contra Costa
In an orchard near Walnut Creek.
Comment
JEPS75462
Amsinckia lunaris
P. F. Yorks
1976-4-25
507 -2
Contra Costa
n. Briones Reservoir (ca. 1.5 km. s. of Bear Creek Rd. on hampton Rd. in Hampton Rd. Natural Reserve); Hampton Rd. Natural Reserve
170
Comment
LA29456
Amsinckia lunaris
Francia Chisaki; Peter Kamb
1952-5-4
2275
Contra Costa
Bear Creek Road, 1.5 mi. E of Orinda-Richmond road (leaving this road ca. 1 mi. N of Orinda)
Comment
UC24601
Amsinckia lycopsoides
J. Burtt Davy
1895-4-7
887
Contra Costa
Antioch; ; Antioch, Contra Costa Co.
Comment
UC1178247
Amsinckia lycopsoides
Francia Chisaki, R. Bacigalupi
1957-3-27
910
Contra Costa
0.75 mi w of Antioch (along Somersville road between Borden Highway and Southern Pacific Railway)
19
Comment
RSA0089987
Amsinckia retrorsa
Lyman Benson
1935-3-16
6283
Contra Costa
3 miles S of Antioch. Mt. Range: Mt. Diablo; Watershed: Sacramento River.
152
Comment
CDA5474
Anagallis arvensis
A. G. Murdock, D. G. Kelch
2004-3-19
215
Contra Costa
Carquinez Strait Region; Luzon. Sycamore Avenue just east of Rodeo/Hercules where train crosses Highway 4 (Luzon).
Comment
UC635714
Anagallis arvensis
A. E. Borell
1928-3-18
26
Contra Costa
w. slope Mt. Diablo
Comment
UC2027832
Ancistrocarphus filagineus
Barbara Ertter with John Ginochio and Mary Bowerman
2001-5-8
17631
Contra Costa
northwest flank of Mount Diablo, Ginochio property north of park boundary on Long Ridge.
Comment
CAS-BOT-BC46937
Androsace elongata subsp. acuta
Mary L. Bowerman
1932-3-12
1116
Contra Costa
Alamo Canyon, 50' above stream.
365
Comment
UC1111009
Androsace elongata subsp. acuta
Herbert L. Mason
1928-3-4
4166
Contra Costa
Shell Ridge
Comment
UC162557
Androsace elongata subsp. acuta
H. M. Hall
1901-4-5
Contra Costa
Mount Diablo San Francisco Bay region, Mt. Diablo
1074
Comment
CAS-BOT-BC400260
Anemopsis californica
W. W. Carruth
1903-5-11
s.n.
Contra Costa
Nr. Walnut Creek
Comment
JEPS111622
Angelica californica
D. G. Kelch
2004-7-9
04 .308B
Contra Costa
Vaca Canyon Vaca Canyon
165
Comment
UC692563
Angelica californica
Mary L. Bowerman
1935-6-21
3149
Contra Costa
Mount Diablo, e fork of Arroyo del Cerro Arroyo del Cerro; Mount Diablo, Arroyo del Cerro
274
Comment
CAS-BOT-BC26282
Antirrhinum elmeri
A. D. E. Elmer
1903-6-1
4809
Contra Costa
Mount Diablo
Comment
JEPS14826
Antirrhinum vexillocalyculatum subsp. vexillocalyculatum
Rimo Bacigalupi with L. R. Heckard
1956-7-17
5732
Contra Costa
just n Hampton Road summit (on Pinole Creek side of grade from Briones Valley School (not Briones Valley!) to Bear Creek)
220
Comment
RSA135450
Apiastrum angustifolium
Volney Rattan
1886-6-14
s.n.
Contra Costa
West slope of Mt. Diablo
Comment
CDA5335
Apium graveolens
D. G. Kelch, A. G. Murdock
2004-7-9
4 .305
Contra Costa
Carquinez Strait Region.; Martinez. Alhambra Creek near Strait.
0
Comment
JEPS60419
Aquilegia
W. L. Jepson
1920-9-6
9084
Contra Costa
Mt. Diablo
Comment
UC692207
Aquilegia eximia
Mary L. Bowerman
1933-6-2
2331
Contra Costa
Donner Canyon Mount Diablo
Comment
UC1614150
Aquilegia formosa
Charles M. Belshaw
1935-6-12
691
Contra Costa
about 10 mi n of Livermore (on Livermore-Clayton Road just n of crest); Livermore-Clayton Road
609
Comment
UC692184
Aquilegia formosa
Mary L. Bowerman
1931-5-23
896
Contra Costa
Alamo Canyon Mount Diablo
Comment
UC10112
Arabis breweri
W. H. Brewer
1862-5-14
1086
Contra Costa
East Peak, Mt. Diablo
Comment
UC2028457
Aralia californica
Barbara Ertter with Joanne Kerbavaz and Mary Bowerman
2000-8-20
17513
Contra Costa
North side of Mount Diablo, Big Spring below Prospectors Gap Road at head of Donner Canyon
Comment
SBBG50848
Arbutus menziesii
A. Hartman
1960-4-19
9 D
Contra Costa
North Gate Rd, Mt Diablo St Park
609
Comment
UC400150
Arbutus menziesii
Ynes Inexia
1929-4-21
2382
Contra Costa
Moraga Valley
Comment
UC692041
Arceuthobium campylopodum
Mary L. Bowerman
1930-6-22
374
Contra Costa
above main canyon (Mitchell Canyon Trail); Mount Diablo
Comment
UCSC006431
Arctostaphylos
Randall Morgan
1991-4-28
s.n.
Contra Costa
Alamo, S-Gate Rd, 1/4 mi beyond Curry Pt, Mt. Diablo
Comment
SEINET11989149
Arctostaphylos andersonii var. auriculata
B. A. Stein
1981-1
460
Contra Costa
Mt. Diablo State Park, Rock City Campground
457
Comment
CAS-BOT-BC24121
Arctostaphylos auriculata
Lewis S. Rose
1934-2-28
34039
Contra Costa
S. slope Mt. Diablo, 8 mi. NE Danville
Comment
CAS-BOT-BC24123
Arctostaphylos auriculata
Brandegee
1889-1-1
s.n.
Contra Costa
Antioch
Comment
POM300732
Arctostaphylos auriculata
Mary L. Bowerman
1932-1-23
1075
Contra Costa
Sycamore Canyon, east fork: East edge of chaparral near canyon bottom.
Comment
RSA164647
Arctostaphylos auriculata
Percy C. Everett
1963-11-19
24549
Contra Costa
Mt Diablo.
457
Comment
UC549567
Arctostaphylos auriculata
J. E. Adams
1934-3-19
678
Contra Costa
Mt. Diablo
Comment
UC549569
Arctostaphylos auriculata
J. E. Adams
1934-10-6
852
Contra Costa
Rock City Mt. Diablo
Comment
UC692483
Arctostaphylos auriculata
Mary L. Bowerman
1931-9-20
1044
Contra Costa
w edge Rock City; Mount Diablo
Comment
UC83034
Arctostaphylos auriculata
Katharine Brandegee
1889-1
Contra Costa
Antioch
Comment
UCD50260
Arctostaphylos auriculata
Edward Lee
1936-1-12
1713
Contra Costa
Immediately south of Nortonville.
Comment
UCD50264
Arctostaphylos auriculata
Roman Gankin
1968-11-14
1309
Contra Costa
Ca. 300 yds. above the road at Somersville.
Comment
CAS-BOT-BC23593
Arctostaphylos crustacea
Walter Knight
1980-3-6
3719
Contra Costa
Redwood Regional Park, East Ridge Trail
Comment
CAS-BOT-BC23554
Arctostaphylos crustacea
Neil Havlik; Walter Knight
1982-11-12
4550
Contra Costa
Briones Regional Park adjacent to russell Tree Farm.
304
Comment
CAS-BOT-BC23591
Arctostaphylos crustacea
Walter Knight; Irja Knight
1980-3-16
3715
Contra Costa
Sobrante Ridge between Heavenly Ridge Lane and Castro Ranch road.
Comment
CAS-BOT-BC23600
Arctostaphylos crustacea
Steve Abbors
1980-3-24
s.n.
Contra Costa
Chamise Trail. Las Trampas Ridge, Las Trampas Regional Wilderness.
Comment
SEINET11987135
Arctostaphylos crustacea
S. W. Edwards
1981-1
1001
Contra Costa
Briones Regional Park, on ridge facing Russell Tree Farm
Comment
SEINET11989662
Arctostaphylos crustacea
N. Havlik, Knight, W.
1982-1
4548
Contra Costa
Briones Regional Park adjacent to Russell Tree Farm
328
Comment
UC1120188
Arctostaphylos glandulosa subsp. glandulosa
R. C. Wilson
1935-3-15
8157
Contra Costa
1 1/2 mi w Cave Pt.; Mt. Diablo Quadrangle
Comment
UC1120336
Arctostaphylos glandulosa subsp. glandulosa
R. C. Wilson
1935-2-26
105
Contra Costa
1 mi sw Nortonville; Mount Diablo Quadrangle
Comment
CAS-BOT-BC24656
Arctostaphylos glauca
Mary L. Bowerman
1933-3-11
1748
Contra Costa
Mount Diablo, Fossil Ridge, outer s. face: In gully nw. of South Gate.
Comment
CAS-BOT-BC24658
Arctostaphylos glauca
H. E. McMinn
s.n.
Contra Costa
Mt Diablo, Curry Canyon.
Comment
CAS-BOT-BC24660
Arctostaphylos glauca
John Thomas Howell
1926-3-7
1674
Contra Costa
Mt. Diablo.
Comment
JEPS38706
Arctostaphylos glauca
W. L. Jepson
7592
Contra Costa
Donner Canyon Mt. Diablo
243
Comment
JEPS38917
Arctostaphylos glauca
Mary L. Bowerman
1933-3-11
1748
Contra Costa
in gully nw park entrance (outer s face of ridge); Mount Diablo, Rock City Ridge
Comment
RSA0046799
Arctostaphylos glauca
Mary L. Bowerman
1933-3-11
1748
Contra Costa
Fossil Ridge, outer south face. In gully northwest of South Gate.
Comment
RSA632813
Arctostaphylos laevigata
Jon E. Keeley
1996-6-24
27589
Contra Costa
Above Rock City, Mt. Diablo.
540
Comment
RSA632822
Arctostaphylos laevigata
Jon E. Keeley
1996-6-24
27578
Contra Costa
Above Rock City, Mt. Diablo.
540
Comment
JEPS78231
Arctostaphylos manzanita subsp. laevigata
James Roof
1009
Contra Costa
along Black Diamond Trail Black Diamond Regional Reserve; Black Diamond Trail, of the Black Diamond Regional Preserve, Contra Costa Co.
121
Comment
UC549757
Arctostaphylos manzanita subsp. laevigata
J. E. Adams
1934-3-19
687
Contra Costa
Mt. Diablo
Comment
UC692220
Arctostaphylos manzanita subsp. laevigata
Mary L. Bowerman
1932-9-5
1544
Contra Costa
large spur on meridian which heads into Sycamore Canyon (crest of ridge); Mount Diablo
Comment
UC692231
Arctostaphylos manzanita subsp. laevigata
Mary L. Bowerman
1932-9-5
1545
Contra Costa
large spur on meridian which heads into Sycamore Canyon; Mount Diablo
Comment
UC692516
Arctostaphylos manzanita subsp. laevigata
Mary L. Bowerman
1931-3-1
541
Contra Costa
e meridian (w part of chaparral); Mount Diablo, Inner Black Hills
Comment
UC2028052
Arctostaphylos manzanita subsp. laevigata
Barbara Ertter with Ann Dennis
1998-1-25
15907
Contra Costa
Donner Canyon on north side Mount Diablo, Middle Trail/Falls Trail.
Comment
UC692224
Arctostaphylos manzanita subsp. laevigata
Mary L. Bowerman
1938-6-24
3693
Contra Costa
road 8.9 mi from North Gate (crest of ridge above road, below Pines Picnic Area); Mount Diablo
792
Comment
POM193975
Arctostaphylos manzanita subsp. manzanita
J. T. Howell
1926-3-7
1665
Contra Costa
Mt. Diablo on old wagon road.
Comment
POM300725
Arctostaphylos manzanita subsp. manzanita
Mary L. Bowerman
1933-3-25
1765
Contra Costa
Emmons Canyon (off Stone Valley), west fork.
Comment
HSC93963
Arctostaphylos pallida
C. Newberry
1994-3-12
7163
Contra Costa
Huckleberry Botanic Regional Preserve, Skyline Trail
244
Comment
POM127991
Arctostaphylos stanfordiana subsp. stanfordiana
R. C. Bacigalupi
1924-2-17
s.n.
Contra Costa
Lower slopes of Mt. Diablo, on old wagon road to summit from Diablo Country Club. (Black Hills).
457
Comment
JEPS19848
Arctostaphylos tomentosa subsp. crustacea
W. L. Jepson
1914-1-31
5718
Contra Costa
Moraga Ridge Oakland Hills
457
Comment
JEPS42609
Arctostaphylos tomentosa subsp. crustacea
W. L. Jepson
1944-8-5
27547
Contra Costa
Moraga Ridge Oakland Hills
Comment
JEPS46271
Arctostaphylos tomentosa subsp. crustacea
W. L. Jepson
1943-6-19
20850
Contra Costa
Moraga Ridge
Comment
UC1120116
Arctostaphylos tomentosa subsp. crustacea
C. M. Belshaw
1936-2-16
1590
Contra Costa
2 1/2 mi nw Lafayette; Concord Quadrangle, Lafayette Ridge
Comment
UC549464
Arctostaphylos tomentosa subsp. crustacea
J. E. Adams
1934-3-9
629
Contra Costa
Moraga Ridge
Comment
UC2046013
Arctostaphylos viscida subsp. viscida
Stephen W. Edwards
July, 2012
s.n.
Contra Costa
Martinez.
Comment
POM87995
Aristolochia californica
H. M. Hall
1900-3-23
s.n.
Contra Costa
Lauterwasser Creek
Comment
UC697153
Arnica discoidea
Mary L. Bowerman
1933-5-22
2173
Contra Costa
Inner Black Hills, (w of 1970, sheltered gully on n faced) Mount Diablo, Black Hills
Comment
CAS-BOT-BC84954
Artemisia californica
Mary L. Bowerman
1931-11-21
1069
Contra Costa
Mount Diablo, donner Canyon, east flank.
Comment
JEPS36967
Artemisia californica
W. L. Jepson
1916-10-22
6852 a
Contra Costa
Las Trampas Ridge southern Contra Costa County, Las Trampas Ridge
Comment
RSA128376
Artemisia californica
Peter H. Raven
1950-7-5
2500
Contra Costa
Above Nortonville
Comment
CDA42352
Artemisia douglasiana
D. G. Kelch, Vince Guise
2012-7-26
12 .238
Contra Costa
Wildcat Canyon Park, Alvarado Unit.
Comment
JEPS111683
Artemisia douglasiana
D. G. Kelch
2003-8-13
03 .139
Contra Costa
Pinole Creek
68
Comment
CAS-BOT-BC90297
Artemisia douglasiana
Vincent Jones
1920-8-20
s.n.
Contra Costa
Vallejo
Comment
SEINET11773093
Arum italicum
F. Tahbaz, Ghavamzadeh, G.
1992-1
416
Contra Costa
Orinda, by creek on Moraga Way, across street from Camino Moraga
Comment
SEINET10779730
Asclepias californica subsp. greenei
D. G. Nelson
1937-4-24
Nelson 520
Contra Costa
On Marsh Creek Road, between Byron and Clayton
Comment
JEPS100125
Asclepias fascicularis
A. Langston
2003-7-24
AL 69
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UCR16092
Asclepias fascicularis
Robin Maetche, Geoffrey Matthews
1971-7-4
s.n.
Contra Costa
1 mi below North [Gate Road] entrance to Mt. Diablo State Park, Concord
427
Comment
SEINET10741688
Asclepias fascicularis
Barbara J. Ertter, M. Bowerman; Lisa Schultheis
1996-7-5
Ertter 14916
Contra Costa
Northwest base of Mount Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek, streamside vegetation.
Comment
UC691841
Asclepias fascicularis
Mary L. Bowerman
1935-6-28
3162
Contra Costa
Old Government Trail Mount Diablo
518
Comment
UCD121325
Asclepias fascicularis
Francis D. Galey
1989-10-31
s.n.
Contra Costa
ca. 4-5 miles southwest of Byron, upper ranch area of Vaquero Farms, southeast of Diablo Canyon Road.
Comment
CAS-BOT-BC180529
Astragalus asymmetricus
Katharine Brandegee
1908-1-1
s.n.
Contra Costa
Near Antioch.
Comment
POM19312
Astragalus asymmetricus
Katherine Brandegee
1908-1
s.n.
Contra Costa
Near Antioch
Comment
UC13388
Astragalus asymmetricus
F. T. Bioletti
1892-1
Contra Costa
Byron
Comment
CAS-BOT-BC177882
Astragalus didymocarpus var. didymocarpus
M. K. C.
1886-5-1
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC177883
Astragalus didymocarpus var. didymocarpus
Brandegee
1889-5-1
s.n.
Contra Costa
Antioch
Comment
JEPS68949
Astragalus gambelianus
Edward Lee
1935-3-10
1278
Contra Costa
Kirker Pass, Donovan Rd. (w. watershed of Kirker Creek)
Comment
UC83409
Astragalus gambelianus
Katharine Brandegee
april 1889
Contra Costa
Antioch
Comment
CAS-BOT-BC17453
Athysanus pusillus
M. K. Curran
1883-4-1
s.n.
Contra Costa
Antioch.
Comment
UCD97257
Atriplex argentea var. expansa
Robert E. Preston; Eva Buxton
1994-8-4
675
Contra Costa
east end of Briones Valley, west of Marsh Creek Reservoir.
60
Comment
UC219420
Atriplex argentea var. mohavensis
H. M. Hall
1922-5-6
11803
Contra Costa
near Byron (alkaline fields); near Byron
Comment
UC217196
Atriplex argentea var. mohavensis
H. M. Hall
1919-11-14
10972
Contra Costa
Byron Byron (where road turns from highway to Springs Hog Wallows)
Comment
UC110216
Atriplex coronata
T. S. Brandegee
May 1883
Contra Costa
Marsh Creek
Comment
CHSC98938
Atriplex coronata var. coronata
Samantha Mackey Hillaire
2007-7-17
1243 b
Contra Costa
Briones Valley, ~0.2 mile west of Marsh Creek Reservoir.
60
Comment
POM203039
Atriplex joaquinana
J. T. Howell
1934-4-8
11823
Contra Costa
South of Antioch, Contra Costa County
Comment
UCD78167
Atriplex joaquinana
Robert E. Preston
2008-4-24
2619
Contra Costa
4.8 mi SSE of Byron, ca. 300 ft E of Vasco Rd
12
Comment
UC1607605
Atriplex lentiformis
Barbara Ertter
1990-10-24
9686
Contra Costa
Martinez Regional Shoreline on Carquinez Strait (beaten saline soil along path through saltmarsh); Martinez Regional Shoreline on Carquinez Strait
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
JEPS87970
Atriplex prostrata
Barbara Ertter with Elizabeth Neese
1988-10-15
7979
Contra Costa
in salicornia marsh w. of I-580 in El Cerrito (w side along Rydin Road n of Central Avenue; edge of roadbank and marsh)
Comment
JEPS78625
Atriplex prostrata
Walter Knight, L. R. Heckard and Bert Johnson
1978-9-28
3280
Contra Costa
Browns Island , Browns Island (Botany Cove)
Comment
SEINET11268190
Atriplex semibaccata
Barbara Ertter
1990-9-30
9655
Contra Costa
NW side of county, SE of Hilltop Mall in N Richmond. Near Day's Inn; 0
Comment
UCD97697
Atriplex semibaccata
Clyde L. Elmore
1964-10-6
s.n.
Contra Costa
1/2 mile south of Orwood Road, in Orwood Resort, 4-5 miles east of Brentwood.
Comment
POM183312
Atriplex subspicata
J. T. Howell
1931-10-31
8163
Contra Costa
Bay Point.
Comment
CAS-BOT-BC145879
Avena fatua
Beecher Crampton
1956-5-14
3418
Contra Costa
Cemetery, 0.5 mile northwest of Martinez, road to Crocket.
Comment
SEINET5607235
Avena fatua
Rachel Van Noord
1998-1
12
Contra Costa
Dinosaur Hill Park, Pleasant Hill
Comment
JEPS112257
Azolla filiculoides
Andrew G. Murdock
2004-4-30
311
Contra Costa
In Pinole Creek near Pig Sale.
Comment
CAS-BOT-BC98764
Baccharis douglasii
John Thomas Howell
1926-1-17
1627
Contra Costa
Between Cashion and las Trampas Ridge
Comment
UC1618405
Baccharis glutinosa
Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss
1991-8-18
10696
Contra Costa
n. Pittsburg (Browns Isl., near confluence of Sacramento & San Joaquin rivers, opposite Pittsburg Marina, flat in center of w. end of island); Browns Island
Comment
SEINET11261322
Baccharis glutinosa
Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler
1986-7-27
4963
Contra Costa
Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0
610
Comment
JEPS75551
Baccharis pilularis
P. F. Yorks
1921-9-11
369
Contra Costa
1.6 km s, on Hampton Road in Hampton Road Natural Reserve Bear Creek Road ((n of Briones Reservoir)); Hampton Road Natural Reserve
180
Comment Read comments Dec 21 2009
CHSC23341
Baccharis salicifolia
Willis Ball
1975-3-26
514
Contra Costa
Contra Loma Regional Park. In area #2. On W side of lake ca. 30 yds. N of boat ramp on W side of lake.
30
Comment
CAS-BOT-BC98191
Baccharis salicifolia
Ira L. Wiggins
1930-4-18
4600
Contra Costa
Near ferr, Jersey Island
Comment
CAS-BOT-BC106560
Balsamorhiza deltoidea
G. L. Stebbins
1937-5-1
2108
Contra Costa
North facing ridge, about 1 mile south of Somersville.
365
Comment
PASA1585
Balsamorhiza deltoidea
Annetta Carter
1929-3-31
Contra Costa
Hills north of Mt. Diablo, near Clayton
Comment
UC691250
Barbarea orthoceras
Mary L. Bowerman
1933-5-3
1972
Contra Costa
due s Mount Diablo summit ((Meridian Peak)); Mount Diablo
731
Comment
UC691254
Barbarea orthoceras
Mary L. Bowerman
1933-4-22
1899
Contra Costa
w of Cave Point (s-face); Mount Diablo, Inner Black Hills
Comment
CDA15255
Bellardia trixago
G. F. Hrusa, D. Crowe
1998-5-8
14386
Contra Costa
Sacramento Delta; E end of Dow Chemical property in Pittsburg.
Comment
CDA39043
Bellardia trixago
D. G. Kelch
2011-6-5
11 .571
Contra Costa
Carquinez Strait; South of Crockett, south of Cummings Skyway.
Comment
JEPS108533
Bellardia trixago
Lisa Schultheis with Kevin Hintsa
1995-4-25
70 -95
Contra Costa
Mount Diablo. Along connector trail between Pine Canyon and the Brioines/Mount Diablo Trail
Comment
UC103481
Bellardia trixago
Edw. L. Greene
May 1889
Contra Costa
near Martinez
Comment
UCD122096
Bellardia trixago
Ira J. Condit
1968-4-1
s.n.
Contra Costa
Walnut Creek.
Comment
UC456081
Bidens laevis
I. J. Condit
1908-8-19
Contra Costa
Antioch
Comment
NY30996
Blennosperma californicum
R. C. F. Bacigalupi
1957-3-27
5761
Contra Costa
At junction of Lone Tree Way and Hillcrest Ave. (rd.), about 0.5 mile west of Lone Tree School
39.3
Comment
NY31018
Blennosperma californicum
L. S. Rose
1941-3-13
41035
Contra Costa
3 miles south of Byron
7.6
Comment
SEINET3386108
Blennosperma californicum
Lewis S. Rose
1933-3-10
33008
Contra Costa
Marsh creek, open hillsides
Comment
JEPS104714
Blennosperma nanum
John L. Morrison
1937-3-6
1972
Contra Costa
low hills S of Antioch
Comment
CAS-BOT-BC492906
Blennosperma nanum
Lewis S. Rose
1932-3-15
3279
Contra Costa
Byron
Comment
JEPS18383
Blennosperma nanum var. nanum
Rimo Bacigalupi with F. Chisaki
1957-3-27
5761
Contra Costa
1/2 mi w, 3 1/2 mi se of Antioch, jct of Lone Tree Way and Hillcrest Ave Lone Tree School
39
Comment
UC34577
Blennosperma nanum var. nanum
H. M. Hall
1902-3-22
1695
Contra Costa
Martinez San Francisco Bay Region
Comment
UC579840
Blennosperma nanum var. nanum
Annetta Carter
1937-3-7
1223
Contra Costa
one mile e Danville; Sycamore Valley
Comment
UC691494
Blennosperma nanum var. nanum
Mary L. Bowerman
1932-3-12
1107
Contra Costa
field a little e of, s of Diablo Bret Harte Memomorial
Comment
UC762545
Blennosperma nanum var. nanum
R. F. Hoover
1938-2-27
2784
Contra Costa
Danville
Comment
SD211539
Blennosperma nanum var. nanum
Barbara Ertter
1992-3-8
10908
Contra Costa
Byron Springs Road 4-5 miles South of junction with J4, near Armstring Road
Comment
RSA121587
Blepharizonia laxa
G. T. Nordstrom
1937-10-28
s.n.
Contra Costa
1.6 miles NNE of Somersville
183
Comment Read comments Dec 16 2012
CAS-BOT-BC100334
Blepharizonia plumosa
Joanne Dean
1978-9-17
s.n.
Contra Costa
Byron
Comment
CAS-BOT-BC100339
Blepharizonia plumosa
T. S. Brandegee
Sept. 1883
s.n.
Contra Costa
Antioch
Comment
JEPS18823
Blepharizonia plumosa
R. F. Hoover
1937-8-31
2704
Contra Costa
Pittsburg
Comment
UCD129618
Blepharizonia plumosa
Robert E. Preston
2001-10-7
1777
Contra Costa
Black Diamond Mines Regional Park, on w side of Stewartsville Trail, 0.75 mi s of Parking lot at Frederickson Lane trailhead.
152
Comment
SBBG2385
Boechera breweri subsp. breweri
H. and M. Dearing
1940-3-20
4125
Contra Costa
near summit of Mt Diablo
Comment
UC614620
Boechera breweri subsp. breweri
L. Constance, J. L. Morrison
1938-4-5
2192
Contra Costa
near Mitchell Canyon (on w slope of Mount Diablo); Mount Diablo
609
Comment
CAS-BOT-BC15957
Boechera breweri subsp. breweri
H. E. McMinn
1923-3-6
880
Contra Costa
Near summit of Mount Diablo.
Comment
OBI15220
Boechera breweri subsp. breweri
H. E. McMinn
1922-6-2
83
Contra Costa
Summit of Mt Diablo, a little N of summit
Comment
JEPS78632
Bolboschoenus maritimus
Walter Knight and Harry Reeves
1979-8-25
3408
Contra Costa
near Antioch (Contra Loma Regional Park below dam near golf course); near Antioch, Contra Loma Regional Park
22
Comment
JEPS2846
Bolboschoenus maritimus subsp. paludosus
J. Burtt Davy
1897-9-4
4075
Contra Costa
Stege; ; Stege, Contra Costa Co.
Comment
UCD140044
Bolboschoenus maritimus subsp. paludosus
M. Wiesendanger
1926-6-1
1529
Contra Costa
Richmond.
Comment
UC692372
Bowlesia incana
Mary L. Bowerman
1933-4-22
1889
Contra Costa
Mount Diablo, Curry-Cave Point Trail Mount Diablo; , Curry-Cave Point Trail
426
Comment
UC691083
Brassica nigra
Mary L. Bowerman
1938-5-25
3633
Contra Costa
Mount Diablo. North Road 2 miles from North Gate.
182
Comment
UCD164653
Brassica nigra
Henry House
1995-5-20
1995- 22
Contra Costa
Approximately 50 m from Walnut Blvd, about 1.25 km south of Marsh Creek Road.
30
Comment
CAS-BOT-BC36725
Brassica rapa
R. E. Frenkel
1964-9-19
851
Contra Costa
On California Highway 21, Market Plaza Center, Alamo.
79
Comment
UC1818971
Brickellia californica
Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa
1995-10-22
14534
Contra Costa
Three Springs Trail on northeast side of Mt. Diablo, woods above ranch.
365
Comment
JEPS108535
Briza maxima
Lisa Schultheis
1995-4-29
76 -95
Contra Costa
along Knobcone Point trail, just after Curry Point trail splits into Knobcone and BlackHawk trails
Comment
JEPS7645
Brodiaea elegans subsp. elegans
W. L. Jepson
1918-6-5
7599
Contra Costa
Donner Canyon Mount Diablo, Donner Canyon
457
Comment
UC1618319
Brodiaea elegans subsp. elegans
Barbara Ertter
1990-5-19
8995
Contra Costa
n Lafayette (edge of ridge road); Briones Regional Park, Lafayette Ridge
365
Comment
CDA23631
Bromus carinatus
D. G. Kelch, D. A. Weinstein
2008-4-25
8 .089
Contra Costa
Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland.
Comment Read comments Jan 7 2016
SEINET7106148
Bromus carinatus
Beecher Crampton
1960-3-29
5481
Contra Costa
City of El Cerrito, corner of Carlon and Lassen Boulevards.; 0
Comment
UC1948971
Bromus carinatus
William J. Ferlatte, L. Maynard Moe
1970-4-27
1237
Contra Costa
San Francisco Bay: Red Rock Island
Comment
UC1103283
Bromus carinatus var. carinatus
J. P. Tracy
1900-3-24
614
Contra Costa
San Francisco Bay Region, Point Richmond, Rail Road Track Point Richmond; San Francisco Bay Region, Point Richmond
3
Comment
UC53630
Bromus carinatus var. carinatus
Joseph Burtt Davy
1900-3-24
6543
Contra Costa
Potrero
Comment
CAS-BOT-BC149543
Bromus carinatus var. carinatus
David C. Rentz
1968-4-29
5
Contra Costa
Between homes near Oak View Avenue on Ocean View Avenue. Kensington.
Comment
CHSC21623
Bromus catharticus
Willis Ball
1975-3-25
503
Contra Costa
Contra Loma Regional Park. In area #1. Under olive trees in picnic area ca. 50 yds w of main parking lot ca. 50 yds s of the lake.
36
Comment
CDA28880
Bromus diandrus
D. G. Kelch
2006-5-7
6 .162
Contra Costa
Carquinez Strait.; Crockett. Upper Edward s Canyon.
Comment
UC2028404
Bromus diandrus
Barbara Ertter with Christopher Baysdorfer
1998-5-10
16113
Contra Costa
Lime Ridge Open Space northwest of Mount Diablo, along Ohlone Trail
Comment
UC50599
Bromus diandrus
Jos. Burtt Davy
1897-4-17
Contra Costa
Point Isabel
Comment
CAS-BOT-BC156064
Bromus diandrus
Mary L. Bowerman
1935-4-19
2876
Contra Costa
Mount Diablo. Road about 7miles from North Gate, ridge west of the power poles, above the road junction.
701
Comment
UC2028492
Bromus diandrus
Barbara Ertter
1998-5-3
16067 a
Contra Costa
SE end of Wall Point Road on southwest flank of Mount Diablo
Comment
CHSC116659
Bromus hordeaceus
Lowell Ahart; Josephine Guardino
2016-4-19
20791
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides of the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
UCD58642
Bromus hordeaceus
Beecher Crampton
1956-5-14
3379
Contra Costa
Head of Horse Valley. 5 miles south of Antioch.
Comment
UC692367
Bromus laevipes
Mary L. Bowerman
1935-5-16
3011
Contra Costa
behind Gabriel-Hinks (e side of North Peak, Mount Diablo); Mount Diablo, North Peak
289
Comment
CAS-BOT-BC162450
Bromus laevipes
Mary L. Bowerman
1935-5-16
3011
Contra Costa
Mount Diablo. Behind Gabrile-Hinks (est side of North Peak).
289
Comment
UCD36914
Bromus madritensis
Beecher Crampton
1956-5-14
3385
Contra Costa
6.7 miles southwest of city of Antioch, along ridge between old coal mining towns of Somersville and Nortonville.
Comment
CAS-BOT-BC162352
Bromus madritensis
Mary L. Bowerman
1935-5-16
2991
Contra Costa
Mount Diablo. Russelman Park, at end of road.
Comment
CAS-BOT-BC162353
Bromus madritensis
Mary L. Bowerman
1935-4-19
2863
Contra Costa
Mount Diablo. Near Turtle Rock.
457
Comment
UC691209
Bromus madritensis subsp. madritensis
Mary L. Bowerman
1935-5-16
2986
Contra Costa
Mount Diablo, Russelman Park Russelman Park; Mount Diablo, Russelman Park
381
Comment
UC692348
Bromus madritensis subsp. rubens
Mary L. Bowerman
1933-5-2
1944
Contra Costa
below Pioneer Camp (Mount Diablo); Mount Diablo
762
Comment
POM300687
Bromus rubens
Mary L. Bowerman
1933-3-18
1751
Contra Costa
Mt. Diablo below the chaparral belt, a little east of the meridian
549
Comment
UC692339
Bromus trinii
Mary L. Bowerman
1933-4-15
1874 c
Contra Costa
Canyon s of Arroy del Cerro (Mount Diablo, 250 ft below spring); Mount Diablo
Comment
UC2028525
Calamagrostis rubescens
Barbara Ertter
1997-11-1
15881
Contra Costa
South side Mount Diablo, near Balancing Rock on Knobcone Point Road
Comment
CAS-BOT-BC185034
Calamagrostis rubescens
Virginia E. Long
1933-6-14
222 a
Contra Costa
Mount Diablo. Inner Black Hills.
563
Comment
POM257267
Calamagrostis rubescens
Virginia Long
1933-6-14
222 a
Contra Costa
Mt. Diablo. Inner Black Hills.
Comment
UC1980316
Calamintha sylvatica subsp. ascendens
Barbara Ertter with David Gowen
2011-10-6
20918
Contra Costa
Tilden Regional Park in hills east of Berkeley; lower Vollmer Peak Trail southeast of Big Spring picnic area
Comment
CAS-BOT-BC233994
Calandrinia breweri
R. F. Hoover
1939-4-13
4019
Contra Costa
Head of Markley Canyon (west branch)
Comment
UC765774
Calandrinia breweri
R. F. Hoover
1939-4-13
4019
Contra Costa
head west branch Markley Canyon
Comment
JEPS99971
Calandrinia ciliata
G. Smick
2003-4-8
GAS 134
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC85557
Calandrinia ciliata
Katharine Brandegee
May, 1889
Contra Costa
Antioch
Comment
CAS-BOT-BC438365
Calandrinia ciliata
unspecified
No date on label
s.n.
Contra Costa
Antioch
Comment
UC692306
Calandrinia ciliata
Mary L. Bowerman
1931-2-22
522
Contra Costa
Sycamore Ridge Mount Diablo
Comment
UC1050752
Calceolaria integrifolia
N. Floy Bracelin
1942-6-28
2166
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC1563731
Callitriche longipedunculata
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8144
Contra Costa
West and adjacent Clifton Court Forebay, ca. 15 air miles SW od Stockton. SE Contra Costa County.
Comment
UC2028247
Calochortus argillosus
Barbara Ertter, Mary Bowerman, Lisa Schultheis
1998-8-21
16404
Contra Costa
North Gate Road on northwest flank of Mount Diablo, 1.6 miles south of park entrance kiosk (site of 16153).
Comment
JEPS61679
Calochortus luteus
W. L. Jepson
1921-5-22
9216
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC132491
Calochortus pulchellus
Mrs. T. A. McGlynn
1925-6-14
s.n.
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC132496
Calochortus pulchellus
Alice Eastwood
1914-5-30
4442
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC132500
Calochortus pulchellus
Harold V. Manor
1913-5-18
s.n.
Contra Costa
Mt. Diablo
Comment
HSC93902
Calochortus pulchellus
C. Newberry
1994-4-30
7250
Contra Costa
Mt. Diablo State Park, trail from Mitchell Canyon Parking to Donner Creek
900
Comment
JEPS17770
Calochortus pulchellus
Alice Eastwood
1899-5-21
Contra Costa
Mount Diablo
Comment
JEPS61708
Calochortus pulchellus
W. L. Jepson
1923-6-10
10001
Contra Costa
Upper Marsh Creek Mt. Diablo
Comment
POM169905
Calochortus pulchellus
A. D. E. Elmer
1903-06
s.n.
Contra Costa
Mount Diablo
Comment
POM170033
Calochortus pulchellus
H. M. Hall
1910-5-30
10132
Contra Costa
Mt. Diablo, north slope near Pine Canyon
366
Comment
RSA29584
Calochortus pulchellus
Joseph A. Ewan
1934-4-8
8774
Contra Costa
Mt. Diablo: South Fork Marsh Creek.
Comment
SBBG52901
Calochortus pulchellus
J. D. Hobson
1962-3-9
36
Contra Costa
Mt Diablo
Comment
UC204208
Calochortus pulchellus
A. D. E. Elmer
Jun 1903
4631
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC132495
Calochortus pulchellus
Elizabeth McClintock; Wayne Roderick
1967-5-30
s.n.
Contra Costa
Marsh Creek Road, n. base of Mt. Diablo
76
Comment
UC1779714
Calochortus umbellatus
Rudolf Schmid
1997-4-4
1997 -1
Contra Costa
Hillside Natural Area, El Cerrito; SW of Kent Dr. - Regency Ct. entrance, N side of juncttion of the two main fire roads.
144
Comment Read comments Apr 2 2012
CAS-BOT-BC132535
Calochortus umbellatus
Mary L. Bowerman
1931-3-22
612
Contra Costa
Knoll between Cave and Oyster Points
Comment
CAS-BOT-BC132536
Calochortus umbellatus
Rudolf Schmid
1997-4-8
1997 -2
Contra Costa
Hillside Natural Area, El Cerrito; sw. of Kent Dr.-Regency Ct. entrance, n. side of junction of the two main fire roads
145
Comment
UC2027942
Calycadenia truncata
Barbara Ertter
1997-9-7
15799
Contra Costa
North side Mount Diablo, Falls Trail in Donner Canyon.
Comment
UC691865
Calystegia
Mary L. Bowerman
1935-6-1
3115
Contra Costa
Meridian in loop of road on ridge s of the summit parking area (Mount Diablo); , Meridian Peak on ridge s of the summit
1097
Comment
UC691846
Calystegia malacophylla subsp. pedicellata
Mary L. Bowerman
1935-6-8
3126
Contra Costa
Meridian Peak Summit , Meridian Peak summit (Mount Diablo)
1170
Comment
UC1948945
Calystegia purpurata
William J. Ferlatte, L. Maynard Moe
1970-4-27
1236
Contra Costa
San Francisco Bay: Red Rock Island
Comment
UC1794950
Calystegia purpurata subsp. purpurata
R. K. Brummitt, J. Strother and B. Baldwin
1997-5-27
19605
Contra Costa
Mount Diablo, W side, Deer Flat Road
800
Comment
UCD150753
Calystegia sepium
James A. Neilson Jr.
1972-11-2
3612
Contra Costa
2 miles NW of Concord, at intersection of Hwy 4 and Walnut Creek.
7
Comment
CAS-BOT-BC199277
Calystegia sepium subsp. limnophila
Malcom A. Nobs; S. Galen Smith
1949-7-8
941
Contra Costa
Otto's Black Bass Resort, 4 miles north of Kingston
Comment
CDA15288
Calystegia sepium subsp. limnophila
G. F. Hrusa, D. Crowe, R. York
1998-7-17
14728
Contra Costa
Sacramento Delta; Betw. Dow Ecological Reserve and San Joaquin R. Sheet 1 of 2.
Comment
RSA710249
Calystegia subacaulis
R. K. Brummitt, Barbara Ertter, N. A. Brummitt
1998-5-6
19788
Contra Costa
Mt. Diablo. NE side, Donner Track.
400
Comment
UC2029024
Calystegia subacaulis
Barbara Ertter
1999-7-17
16760
Contra Costa
El Cerrito, west side of Arlington Ave. in small triangle of land between Moeser Ln. and Terrace Dr., among mowed Avena.
Comment
UC198869
Camissonia campestris subsp. campestris
Chesnut and Drew
1887-4-18
Contra Costa
Antioch
Comment
RSA135377
Camissonia contorta
Volney Rattan
1887-5-22
s.n.
Contra Costa
Alhambra Valley.
Comment
RSA22373
Camissonia contorta
L. S. Rose
1938-5-8
38223
Contra Costa
Antioch
15
Comment
JEPS125935
Camissonia ignota
D. W. Taylor
2001-3-22
17616
Contra Costa
Kreyenhagen Hills; Cedar Canyon, tributary to Zapato Chino Canyon, along southern flank of ridge forming divide with Garcia Canyon to the north; ca 5 air miles W of Avena
Comment Read comments Jun 18 2019
RSA186560
Camissonia micrantha
Peter H. Raven
1963-3-29
18143
Contra Costa
About 1 mile south of Oakley on State Highway 4 at junction of Brownstone Road
Comment
UC1784913
Camissoniopsis hirtella
Barbara Ertter with Mary Bowerman
1994-6-19
12842
Contra Costa
Mount Diablo State Park E of Walnut Creek; Muir Picnic Area on Summit Road
1005
Comment
JEPS99558
Camissoniopsis intermedia
Mary Bowerman
1995-5-28
Contra Costa
Mount Diablo, knoll on N side of Wall Point Trail 1/2 encircled on W and N sides by road from Macedo Ranch to Pine Pond.
304
Comment
UC874075
Camissoniopsis intermedia
Lewis S. Rose
1941-5-15
41229
Contra Costa
w. slope Mt. Diablo
274
Comment
UC140387
Camissoniopsis micrantha
C. F. Baker
1903-4-25
2808
Contra Costa
sandhills Antioch
Comment
UC635408
Camissoniopsis micrantha
H. L. Mason
1932-3-20
6850
Contra Costa
sand hills near Antioch
Comment
UC1051115
Campanula bononiensis
N. Floy Bracelin
1943-9-5
2498
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
SEINET10461956
Campanula exigua
Joseph W. Congdon
1896-5-30
Congdon s.n.
Contra Costa
Summit of Diablo
Comment
SEINET10461961
Campanula exigua
Edward L. Greene
1892-6-20
Greene s.n.
Contra Costa
Mount Diablo
Comment
UC1050327
Campanula grossekii
N. Floy Bracelin
1941-8-17
1572
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC1051246
Campanula isophylla
N. Floy Bracelin
1942-9-9
2279
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
JEPS111861
Capsella bursa-pastoris
D. G. Kelch
2004-3-12
04 .27
Contra Costa
Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road
220
Comment
UC691065
Capsella bursa-pastoris
Mary L. Bowerman
1931-2-8
505
Contra Costa
Mount Diablo, West Road(=North Rd), a few mi from entrance Mount Diablo
396
Comment
CAS-BOT-BC37395
Cardamine californica
Robert Francis Hoover
1938-2-21
2754
Contra Costa
Point Richmond.
Comment
UC1126894
Cardamine californica
R. C. Wilson
1935-3-27
146
Contra Costa
Oyster Pt. Mt. Diablo Quad., Oyster Pt.
Comment
UC905262
Cardamine californica var. californica
J. A. Rattenbury
1949-3-10
128
Contra Costa
half mi e Oakland Tunnel; e of Oakland Tunnel
243
Comment
POM272925
Cardamine californica var. integrifolia
Lyman Benson
1935-3-16
6277
Contra Costa
Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek.
244
Comment
POM203648
Cardamine californica var. integrifolia
J. T. Howell
1933-5-14
11255
Contra Costa
Hills east of St. Mary s college
Comment
RSA721865
Cardamine hirsuta
Barbara Ertter, Gary Schoolcraft
1996-4-7
14576
Contra Costa
Molate Beach Park on San Francisco Bay N of San Rafael Bridge; S end of parking area.
Comment
JEPS111068
Cardamine oligosperma
Lee Echols
2003-3-7
s.n.
Contra Costa
N of Lark Drive in S portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond.
15
Comment
POM300574
Cardamine oligosperma
Mary L. Bowerman
1932-3-6
1100
Contra Costa
Sycamore Canyon, east fork: Near trail.
Comment
UC2070559
Cardamine oligosperma var. oligosperma
Barbara Ertter
2003-4-9
18140
Contra Costa
Shell Ridge Open Space on west base of Mount Diablo, Indian Creek below Fossil Hill Trail crossing.
Comment
CDA40558
Cardaria chalepensis
V. Guise & B. Slate
2014-4-3
PDR# 070 P06223872
Contra Costa
Concord; end of Crystal Ranch Road, Save Mt. Diablo property.
0
Comment
UC582525
Carduus pycnocephalus subsp. pycnocephalus
Joseph P. Tracy
1934-4-30
13188
Contra Costa
roadside between Moraga and Lafayette Moraga
152
Comment
UC691372
Carduus pycnocephalus subsp. pycnocephalus
Mary L. Bowerman
1935-6-28
3179
Contra Costa
about the corral of the Old Sloan place (Inner Black Hills); Mount Diablo, Inner Black Hills
Comment
CDA15244
Carduus tenuiflorus
G. F. Hrusa, D. Crowe
1998-5-8
14375
Contra Costa
Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River.
Comment
CAS-BOT-BC281803
Carduus tenuiflorus
David Keck
1941-6-5
5312
Contra Costa
Berkeley Hills, Fish Creek Rd, 0.25 mile W of E portal of Broadway Tunnel
335
Comment
UC2028189
Carduus tenuiflorus
Barbara Ertter
1998-5-3
16054
Contra Costa
Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo.
Comment
UC2028309
Carduus tenuiflorus
Barbara Ertter, Susan D'Alcamo
1998-6-12
16193
Contra Costa
North Peak Trail south of Prospectors Gap on east side of Mount Diablo summit.
Comment
UC1607683
Carex barbarae
Barbara Ertter, Brad Olson
1991-9-28
10846
Contra Costa
between Orinda and El Sobrante (s end of San Pablo Reservoir); San Pablo Reservoir
94
Comment
CAS-BOT-BC19210
Carex barbarae
Mary L. Bowerman
1935-9-13
3344
Contra Costa
Mount Diablo. Frog Pond. At head of Forg Pond spring.
Comment
POM300641
Carex barbarae
Mary L. Bowerman
1935-9-13
3344
Contra Costa
Mount Diablo: Frog Pond, at head of Frog Pond Spring.
Comment
UC2029200
Carex densa
Barbara Ertter
2003-2-8
18091 a
Contra Costa
Richmond Field Station (UC-Berkeley)
Comment
SEINET11263180
Carex globosa
Barbara Ertter, A. T. Whittemore; Joanne Kerbavaz
2001-5-22
17650
Contra Costa
South side of Mount Diablo, headwaters of West Branch Alamo Creek ESE of Knobcone Point, below powerline at end of Knobcone Point road.; 0
457
Comment
UC2028269
Carex globosa
Barbara Ertter
1999-6-12
16708
Contra Costa
Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo.
Comment
UC2028415
Carex globosa
Barbara Ertter with Alan Whittemore, Joanne Kerbavaz, et al.
2001-5-22
17650
Contra Costa
South side Mount Diablo, headwaters of West Branch Alamo Creek ESE of Knobcone Point, below powerline at end of Knobcone Point Road
Comment
JEPS111897
Carex obnupta
D. G. Kelch
2004-7-9
04 .305
Contra Costa
Arroyo del Hambre Alhambra Creek, Martinez, Near Muir gravesite
60
Comment
CAS-BOT-BC119017
Carex pellita
Walter Knight; B. Mortensen; J. Dean; R. Bensler; B. Atwater
1979-6-13
3364
Contra Costa
Damp area in center of Browns Island.
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
UC2028444
Carex serratodens
Barbara Ertter with Chris Thayer
1996-10-25
15374
Contra Costa
West side of Mount Diablo, North Gate Road 1 road mile NW of Burma Road
Comment
CAS-BOT-BC117550
Carex serratodens
Miss Mary Leolin Bowerman
1930-6-28
400
Contra Costa
Lower Silver Spring.
Comment
UC2028573
Carex serratodens
Barbara Ertter with Stu Garrett
1997-3-29
15537
Contra Costa
West side Mount Diablo, spring at north junction of Mothers Trail and Burma Road.
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
UC590537
Carex subbracteata
W. H. Brewer
1012
Contra Costa
Walnut Creek
Comment Read comments Oct 23 2009
CDA34479
Carex subbracteata
D. G. Kelch
2006-3-18
6 .106
Contra Costa
2 km N-NW of Orinda Village. NW of corner of San Pablo Dam Rd & Bear Valley Rd.
0
Comment
UC1618162
Carex subbracteata
Barbara Ertter, Chris Thayer
1993-5-7
11694
Contra Costa
Hopkins Spring 1/2 mile SE of Inspiration Point on Wild Canyon Road, East Bay Municipal Utilities District land east of Tilden Park
304
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
JEPS74803
Castilleja
L. R. Heckard, T. I. Chuang and R. C. Bacigalupi
1975-5-7
4011
Contra Costa
ca 0.5 mi e Pinole (just e of Interstate 80, along main route of Santa Fe RR)
Comment
UC1050823
Castilleja affinis
N. Floy Bracelin
1941-6-1
1349
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
RSA639387
Castilleja affinis
H. P. Bracelin
1933-6-10
768
Contra Costa
Near crest of hills north of Berkeley above Kensington.
Comment
UC2070591
Castilleja affinis
Barbara Ertter with Steve Matson
2003-3-15
18100
Contra Costa
Black Diamond Mines Regional Preserve, north slope of Rose Hill.
Comment
JEPS41055
Castilleja affinis subsp. affinis
Rimo Bacigalupi, and L. R. Heckard
1965-5-11
9080
Contra Costa
sw of Richmond (Brooks Island); San Francisco Bay, Brooks Island
30
Comment
UC64217
Castilleja affinis subsp. affinis
H. M. Hall
1900-3-23
Contra Costa
San Pablo Creek; San Francisco Bay Region
Comment
UC691558
Castilleja affinis subsp. affinis
Mary L. Bowerman
1931-3-28
559
Contra Costa
above Mitchell Rock (Mount Diablo); Mount Diablo
Comment
UC691576
Castilleja attenuata
Mary L. Bowerman
1933-5-11
2084
Contra Costa
w end Inner Black Hills; Mount Diablo
Comment
JEPS19440
Castilleja densiflora subsp. densiflora
Rimo Bacigalupi with G. T. Robbins
1956-5-11
5640
Contra Costa
.33 mi e Pinole (between State Highway 4 (Franklin Canyon Rd) and Santa Fe Ry. right-of-way, 0.25 mi e of junction of this rd with U.S. Hwy 40)
22
Comment
UC1481545
Castilleja densiflora subsp. densiflora
Neil Havlik
1980-5-14
917
Contra Costa
e side Pt. Pinole Regional Shoreline
Comment
UC2070586
Castilleja exserta
Barbara Ertter
2003-3-28
18131
Contra Costa
Round Valley Regional Preserve, upper Hardy Canyon.
Comment
CHSC116613
Castilleja exserta subsp. exserta
Lowell Ahart; Josephine Guardino
2016-4-19
20779
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
JEPS100149
Castilleja exserta subsp. exserta
G. Smick
2003-3-25
GAS 78
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS74806
Castilleja exserta subsp. exserta
L. R. Heckard, T. I. Chuang and R. Bacigalupi
1975-5-7
4014
Contra Costa
ca 0.5 mi e Pinole (just of of Interstate Hwy 80, along main route of Santa Fe Railroad)
Comment
UC1301202
Castilleja exserta subsp. exserta
Helen K. Sharsmith
1963-4-7
5289
Contra Costa
w of Antioch (e side of Kirker Pass road); San Francisco Bay Region
152
Comment
UC673456
Castilleja exserta subsp. exserta
H. L. Mason
1928-3-4
4168
Contra Costa
Shell Ridge
Comment
JEPS17083
Castilleja exserta subsp. latifolia
Rimo Bacigalupi with Keith Harrison and G. T. Robbins
1955-5-13
5064
Contra Costa
opposite El Cerrito (just to the w of Arlington Avenue and opposite Mira Vista Country Club); Berkeley Hills
198
Comment
JEPS99573
Castilleja rubicundula subsp. lithospermoides
Mary L. Bowerman
1978-5-24
Contra Costa
Mount Diablo. Donner Canyon, west side trail of Hetherington Loop
2
Comment
JEPS121057
Castilleja wightii
D. G. Kelch
1999-6-23
99001 B
Contra Costa
Vaca Canyon along Alhambra Valley Road about 1.5 mile East of Pig Sale
Comment
CDA29227
Castilleja wightii
D. G. Kelch
2002-6-17
2 .013
Contra Costa
Carquinez Strait; Vaca Canyon. 1.5 kilometers east of Pig Sale on Alhambra Valley Road.
0
Comment
CAS-BOT-BC40516
Caulanthus lasiophyllus
Ira L. Wiggins
1930-4-17
4564
Contra Costa
1 mile east of Mountain House on road to Byron.
Comment
POM300662
Ceanothus cuneatus
Mary L. Bowerman
1932-5-1
1406
Contra Costa
Oyster Ridge, outer steep face E of Alamo Creek
Comment
UCD111741
Ceanothus cuneatus
W. Ebeling
1929-3-19
s.n.
Contra Costa
Mount Diablo.
Comment
UC18269
Ceanothus cuneatus var. cuneatus
State Survey
1862-5-7
1062
Contra Costa
summit of Mt. Diablo
Comment
UC480608
Ceanothus cuneatus var. cuneatus
Carl Meyer
1928-2-22
Contra Costa
Mt. Diablo
Comment
UCD124005
Ceanothus cuneatus var. cuneatus
D. O. Burge
2007-5-9
916 e
Contra Costa
Mount Diablo State Park, roadside on South Gate Road, 1.5 road miles (2.4 km) north of entrance gate, 6.38 km 67 deg. (True) ENE of Danville.
380
Comment
JEPS42198
Ceanothus oliganthus var. sorediatus
W. L. Jepson
1916-7-16
6814
Contra Costa
Oakland hills
Comment
JEPS42309
Ceanothus oliganthus var. sorediatus
H. H. Haworth
1917-5-3
Contra Costa
Redwood Peak Oakland Hills
Comment
JEPS111720
Centaurea calcitrapa
D. G. Kelch
2004-6-19
04 .281
Contra Costa
Selby Along railroad tracks west of Carquinez Bridge Crockett (Valona)
20
Comment
JEPS99959
Centaurea calcitrapa
A. Langston
2003-7-28
AL 76
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
RSA351522
Centaurea solstitialis
B. C. Templeton
1962-6-20
s.n.
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC284463
Centaurea solstitialis
Chester Dudley
1931-7-1
s.n.
Contra Costa
Walnut Creek
Comment
UC1555364
Centaurium davyi
Jerry Powell
1988-6-28
1541
Contra Costa
Point Molate, in w Richmond Richmond, Point Molate
Comment
JEPS78619
Centaurium muehlenbergii
Walter Knight, L. R. Heckard and Bert Johnson
1978-9-28
3288
Contra Costa
Browns Island
Comment
JEPS88689
Centromadia fitchii
John Thomas Howell
30904
Contra Costa
near Turtle Rock; Mt. Diablo
259
Comment
CAS-BOT-BC288536
Centromadia fitchii
David D. Keck
1933-11-2
2609
Contra Costa
San Ramon, Crow Creek Canyon Rd, 0.5 mile from turnoff
Comment
CAS-BOT-BC288542
Centromadia fitchii
L. S. Rose
1941-10-13
41464
Contra Costa
1 mile E of Walnut Creek
50
Comment
CAS-BOT-BC288874
Centromadia parryi subsp. congdonii
R. E. Preston
1998-10-6
1178
Contra Costa
Along flood plain of Alamo Creek, along Dougherty Rd, N of the Alameda/Contra Costa County line
143
Comment
JEPS95217
Centromadia parryi subsp. congdonii
R. E. Preston
1998-10-9
1180
Contra Costa
Collier Canyon and adjacent valleys, in valley bottom, lower slopes, and saddles.
228
Comment
CAS-BOT-BC288879
Centromadia parryi subsp. congdonii
David D. Keck
1933-11-2
2610
Contra Costa
San Ramon, Cow Creek Canyon Rd, 0.5 mile from turnoff
Comment
CAS-BOT-BC288880
Centromadia parryi subsp. congdonii
David D. Keck
1933-11-2
2611
Contra Costa
2.7 miles N of Walnut Creek
Comment
OBI16179
Centromadia parryi subsp. congdonii
Robert F. Hoover
1966-8-31
9943
Contra Costa
Jctn of Tassajara and Freitas Rds E of Danville
Comment
UCD148253
Centromadia pungens
Robert E. Preston
2013-6-21
2915
Contra Costa
3.5 mi SW of Byron.
72
Comment
UCD14671
Centromadia pungens
Mick Canaveri
1997-4-1
s.n.
Contra Costa
near Brentwood.
Comment
CAS-BOT-BC279204
Centromadia pungens subsp. pungens
David D. Keck
1933-11-2
2613
Contra Costa
3 mi. S. of Martinez on road to Pacheco
Comment
JEPS35033
Centromadia pungens subsp. pungens
W. L. Jepson
1896-5-31
Contra Costa
Wild Cat Creek
Comment
UC1819017
Centromadia pungens subsp. pungens
Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert
1996-5-16
14679
Contra Costa
Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; packed ground around Tank 14 in center of hillside.
Comment
UC1039525
Cephalanthus occidentalis var. californicus
H. L. Mason
1929-9-21
5447
Contra Costa
1 mi from Borden Highway junction with road to Antioch
Comment
UC1606353
Cephalanthus occidentalis var. californicus
Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss
1991-8-18
10692
Contra Costa
n of Pittsburg (Browns Island, near confluence of Sacramento River and San Joaquin River, opposite Pittsburg Marina); Browns Island
Comment
RSA0027414
Cerastium fontanum subsp. vulgare
Barbara Ertter, Rich Rabeler, Tony Morosco
1997-6-10
15672
Contra Costa
Martinez Regional Shoreline, south edge of Carquinez Strait.
Comment
UC692408
Cerastium glomeratum
Mary L. Bowerman
1931-3-7
545
Contra Costa
Mt. Diablo, Sheep Camp Spring
Comment
UC2028161
Cerastium glomeratum
Barbara Ertter
1998-4-4
15947
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo, SE of Indian Valley School.
Comment
RSA666357
Ceratophyllum demersum
Barbara Ertter, Lynne Hosley
1991-9-22
10823
Contra Costa
Lafayette Reservoir in hills SW of Lafayette
137
Comment
UC691101
Cercocarpus betuloides var. betuloides
Mary L. Bowerman
1931-4-25
Contra Costa
summit of Meridian Peak (Mount Diablo); , Meridian Peak
Comment
JEPS103081
Cestrum parqui
Marck Menke
1998-12-25
30
Contra Costa
S of Martinez (along upper Alhambra Creek beside Alhambra Creek Trail); Briones Regional Park
Comment
CDA4796
Chamaesyce maculata
D. G. Kelch, A. G. Murdock
2005-6-27
5 .391
Contra Costa
Carquinez Strait; 6th Street at Lillian Street, Crockett.
Comment
JEPS111947
Chamaesyce serpens
A. G. Murdock
2004-5-28
306 -B
Contra Costa
Luzon
60
Comment
JEPS111952
Chamaesyce serpens
D. G. Kelch
2004-7-9
04 .301
Contra Costa
McEwen Road McEwen marsh. McEwen Road North of Cummings Skyway
130
Comment
CAS-BOT-BC70279
Cheilanthes intertexta
Alice Eastwood
1915-5-30
4528
Contra Costa
Mt. Diablo
Comment
JEPS79597
Cheilanthes intertexta
Edward Lee
1978-12-20
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC70278
Cheilanthes intertexta
John Thomas Howell
1955-3-6
30145
Contra Costa
between South & North peaks of Mt. Diablo
Comment
UC1328154
Chenopodium album
Olive Dyer
1936-9-5
28 w
Contra Costa
1/2 mi above San Pablo Ave.; Wildcat Creek
Comment
UC691914
Chenopodium berlandieri
Mary L. Bowerman
1933-8-26
2417
Contra Costa
roadside about 2 mi below Rock City; Mount Diablo, Black Hills
Comment
UC2012996
Chenopodium berlandieri
Barbara Ertter with Mary Bowerman, Lisa Schultheis
1996-7-5
14926
Contra Costa
Northwest base of Mount Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek.
Comment
PASA2694
Chenopodium californicum
Annetta Carter
1929-3-31
137
Contra Costa
Near Clayton; hills north of Mt. Diablo
Comment
JEPS68928
Chenopodium multifidum
Edward Lee
1934-9-30
1222
Contra Costa
Moraga; just se of station
Comment
JEPS111800
Chenopodium murale
D. G. Kelch
2004-7-9
04 .308
Contra Costa
Arroyo del Hambre Alhambra Creek, Martinez, Near Muir gravesite
60
Comment
UC1004357
Chlorogalum pomeridianum var. pomeridianum
M. S. Cave
1949-6-26
4901
Contra Costa
Arlington Avenue n Mira Vista entrance (hillside); Kensington
Comment
SBBG54463
Chorizanthe membranacea
L. R. Abrams
1921-5-25
Contra Costa
Mt Diablo
Comment
UC692148
Chorizanthe membranacea
Mary L. Bowerman
1930-6-28
403
Contra Costa
lower Silver Spring , lower Silver Spring (Mount Diablo)
Comment
UC692213
Chorizanthe membranacea
Mary L. Bowerman
1938-5-28
3636
Contra Costa
North Road 4.7 mi from North Gate (Mount Diablo); Mount Diablo
411
Comment
RSA392753
Chorizanthe membranacea
L. S. Rose
1941-5-15
41230
Contra Costa
Mt. Diablo, w. slope
396
Comment
UC2028983
Chorizanthe membranacea
Barbara Ertter
2000-5-14
17015
Contra Costa
Donner Basin on north side of Mount Diablo, Falls Trail north of Wild Oat Canyon.
Comment
CAS-BOT-BC264081
Chorizanthe uniaristata
M. K. Curran
1884-1-1
s.n.
Contra Costa
Near Mt. Diablo
Comment
CAS-BOT-BC30112
Chrysolepis chrysophylla var. minor
C. Keeper
1924-9-25
s.n.
Contra Costa
Moraga ridge
Comment
JEPS97617
Chrysolepis chrysophylla var. minor
R. D. Stone
1980-7-13
265
Contra Costa
NE of intersection of Skyline Blvd. and Snake Rd. Huckleberry Trail; Oakland Hills, near Alameda-Contra Costa county line
Comment
UC1789151
Cinnamomum camphora
Barbara Ertter
2001-5-26
17653
Contra Costa
Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch, two young individuals at base of river bank.
Comment
CAS-BOT-BC277978
Cirsium cymosum
Mary L. Bowerman
1935-5-22
3041 a
Contra Costa
Mount Diablo. Eagle Point ridge, canyon at north end which heads into saddle west of Twin Peaks
304
Comment
UC691380
Cirsium cymosum var. cymosum
Mary L. Bowerman
June 1942
3848
Contra Costa
South Road se of Rock City
502
Comment
JEPS59324
Cirsium occidentale var. californicum
W. L. Jepson
20843
Contra Costa
Mt. Diablo Contra Costa
Comment
CAS-BOT-BC288043
Cirsium occidentale var. venustum
Mrs. E. C. Wright
1917-6-1
s.n.
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC285727
Cirsium vulgare
Walter Knight; Frank Almeda; Bob Doyle; Joanne Dean
1978-10-11
3328
Contra Costa
Browns Island. South Landing
Comment
UC1795899
Clarkia
Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers
1996-5-11
14638
Contra Costa
Little Pine Creek at northwest foot of Mt. Diablo, along trail connecting North Gate Road to Castle Rock Road, Diablo Foothills Regional Park; grassy hillside.
Comment
UCD102383
Clarkia affinis
Daniel Sanchez-Mata; M. P. Rodriguez-Rojo
2002-4-24
s.n.
Contra Costa
Mount Diablo State Park. Devils Elbow-Devils Pulpit.
1070
Comment
CAS-BOT-BC162562
Clarkia affinis
Mary L. Bowerman
1931-5-13
843
Contra Costa
Pine Canyon floor one mile above the Sulphur Spring - Mount Diablo
Comment
CAS-BOT-BC162563
Clarkia affinis
Mary L. Bowerman
1933-5-17
2095
Contra Costa
Branch of Curry Canyon due south of Olafsons' barn - Mount Diablo
Comment
UC2028174
Clarkia affinis
Barbara Ertter
1998-5-3
16048
Contra Costa
Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo.
Comment
UC2070449
Clarkia affinis
Barbara Ertter with Steve Matson
2003-5-31
18179
Contra Costa
Black Diamond Mines Regional Preserve south of Pittsburg, Coal Canyon.
Comment
SBBG40396
Clarkia amoena
W. J. Dress
1951-7-3
3466
Contra Costa
near rd a few mi S of Moraga
152
Comment
UC107833
Clarkia biloba
Katharine Brandegee
June 1905
Contra Costa
Port Costa
Comment
UC1197000
Clarkia biloba
Joseph P. Tracy
1935-7-6
14038
Contra Costa
4 mi sw Martinez; Vaca Canyon
152
Comment
UCD21831
Clarkia biloba
C. Thayer
1994-8-1
s.n.
Contra Costa
West side of Lafayette Ridge, Lafayette.
Comment
CAS-BOT-BC163608
Clarkia biloba subsp. biloba
A. D. E. Elmer
1903-5-1
4319
Contra Costa
Mount Diablo
Comment
UC692490
Clarkia gracilis subsp. gracilis
Mary L. Bowerman
1942-5-24
3840
Contra Costa
w slope Deer Ridge (Jim White Trail to Deer Flat); Mount Diablo
853
Comment
RSA60760
Clarkia purpurea subsp. purpurea
Edward L. Greene
1889-05
s.n.
Contra Costa
Martinez
Comment
CAS-BOT-BC163667
Clarkia purpurea subsp. quadrivulnera
L. R. Abrams
1916-6-30
5712
Contra Costa
Mt. Diablo near lake
Comment
CDA9187
Clarkia purpurea subsp. quadrivulnera
Christopher Thayer
1995-6-5
s.n.
Contra Costa
Carquinez Strait; W of Pinole Peak.
Comment
JEPS23503
Clarkia purpurea subsp. quadrivulnera
Edward Lee Greene
1886-5-25
Contra Costa
Mt. Diablo
Comment
UC692441
Clarkia purpurea subsp. quadrivulnera
Mary L. Bowerman
1931-5-19
875
Contra Costa
Donner Canyon trail Mount Diablo
Comment
CAS-BOT-BC163674
Clarkia purpurea subsp. quadrivulnera
H. L. Mason
1928-4-26
4379
Contra Costa
Around Berkeley and Oakland
Comment
CDA31846
Clarkia rubicunda
D. G. Kelch, Dick Moe, Doug Stone
2001-6-3
1 .024
Contra Costa
East Bay.; Brooks Island.
Comment
UC1279898
Clarkia rubicunda
Peter H. Raven
1957-6-20
10950
Contra Costa
e end Tilden Regional Park (hillside at Inspiration Point)
Comment
UC1279947
Clarkia rubicunda
Peter H. Raven
1957-7-5
11049
Contra Costa
0.2 mi from tip Point Richmond
106
Comment
RSA113595
Clarkia rubicunda
Peter H. Raven
1957-7-5
11049
Contra Costa
0.2 mile from tip of Point Richmond
Comment
CAS-BOT-BC165449
Clarkia unguiculata
L. R. Abrams
1916-6-30
5702
Contra Costa
Mt. Diablo near lake
Comment
POM181154
Clarkia unguiculata
J. T. Howell
1931-5-12
6481
Contra Costa
Mt. Diablo.
Comment
UC1586096
Clarkia unguiculata
Barbara Ertter with Travis Columbus
1990-6-10
9105
Contra Costa
w Pleasant Hill (hillside above junction of Spengler and Blue Oak trail, ne corner of park); Briones Regional Park, Briones Hills
274
Comment
UC692494
Clarkia unguiculata
Mary L. Bowerman
1930-6-3
235
Contra Costa
1.9 mi from North Gate (North Road); Mount Diablo
167
Comment
CAS-BOT-BC439167
Claytonia exigua subsp. exigua
John Thomas Howell
1926-3-7
1676
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC439174
Claytonia exigua subsp. exigua
C. F. Baker
1903-4-28
2816
Contra Costa
Mitchell's canon [Mitchell Canyon], Mt. Diablo
Comment
JEPS78750
Claytonia parviflora subsp. parviflora
Edward Lee
1936-5-24
2157
Contra Costa
about 2 mi se Curry Canyon (Marsh Creek); Morgan Territory, Marsh Creek
Comment
UC2028060
Claytonia parviflora var. parviflora
Barbara Ertter, Tony Morosco
1998-4-12
16014
Contra Costa
Mount Olympia on north side of Mount Diablo.
Comment
JEPS68970
Claytonia perfoliata subsp. perfoliata
Edward Lee
1935-3-10
1304
Contra Costa
Nortonville; s watershed of Kirker Creek
Comment
UC1057451
Claytonia perfoliata subsp. perfoliata
G. Thomas Robbins
1937-4-25
148
Contra Costa
2 mi e Alamo
Comment
CAS-BOT-BC440072
Claytonia perfoliata subsp. perfoliata
Willis Ball
1975-2-23
444
Contra Costa
Contra Loma Regional Park. In area #1. In flat area ca. 150 yds w of main parking lot.
30
Comment
CAS-BOT-BC440073
Claytonia perfoliata subsp. perfoliata
Mary L. Bowerman
1932-3-6
1099
Contra Costa
Mount Diablo. Sycamore Ridge
Comment
UC1050592
Clematis cirrhosa
N. Floy Bracelin
1942-2-22
1942
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
CAS-BOT-BC91355
Clematis lasiantha
V. Rattan
1887-5-22
s.n.
Contra Costa
Alhambra Valley.
Comment
UC136298
Clematis lasiantha
C. F. Baker
1903-4-28
2946
Contra Costa
Mt. Diablo, Mitchells Canyon
Comment
UC635101
Clematis lasiantha
A. E. Borell
1928-4-8
90
Contra Costa
Mt. Diablo
Comment
SEINET5547635
Clematis ligusticifolia
H. S. Gentry
1931-1
57
Contra Costa
Collected near Buckle Point, Mount Diablo.
Comment
JEPS120287
Clinopodium vulgare
Barbara Ertter with David Gowen
2012-9-20
21018
Contra Costa
lower Vollmer Peak Trail paralleling South Drive, southeastern Tilden Park in Berkeley Hills, ca. midway along trail, wide spot in shade of bay and pine (same location as 20919)
Comment
UC103400
Collinsia heterophylla
K. Brandegee
May 1889
Contra Costa
Antioch
Comment
UC26674
Collinsia heterophylla
J. Burtt Davy
1895-4-8
970
Contra Costa
Antioch
Comment
SEINET10964450
Collinsia heterophylla
John G. Lemmon
1872-1
Lemmon s.n.
Contra Costa
Mt. Diablo.
Comment
UCD102371
Collinsia sparsiflora
Daniel Sanchez-Mata; M. P. Rodriguez-Rojo
2002-4-24
s.n.
Contra Costa
Mount Diablo State Park. Burma Road at Mount Diablo.
470
Comment
RSA412224
Collinsia sparsiflora
H. de Forest
1930-4-6
s.n.
Contra Costa
[No location information provided.]
Comment
UC691585
Collinsia sparsiflora var. collina
Mary L. Bowerman
1933-4-9
1836
Contra Costa
w fork Donner Canyon Mount Diablo (Mount Diablo)
243
Comment
JEPS6266
Collinsia sparsiflora var. collina
E. W. Hicks
1917-3-24
108
Contra Costa
foot of W slope of Mount Diablo
304
Comment
JEPS6312
Collinsia sparsiflora var. sparsiflora
W. L. Jepson
1922-4-16
9599
Contra Costa
San Pablo Valley
Comment
JEPS7290
Collinsia tinctoria
Mary L. Bowerman
1935-5-30
3090
Contra Costa
Mount Diablo, Eagle Point Ridge, Rock slide Eagle Point Ridge; Mount Diablo, Eagle Point Ridge
350
Comment
UC1612419
Collinsia tinctoria
R. Raiche
1982-6-19
20460
Contra Costa
Mt. Diablo
Comment
SEINET3860930
Collomia diversifolia
David Gowen
2005-5-28
395
Contra Costa
Mt. Diablo State Park, on Meridian Ridge Rd. (dirt fire road), east of Murchio Gap.; 0
Comment
UC691883
Conium maculatum
Mary L. Bowerman
1935-6-8
3121
Contra Costa
Mt. Diablo, Muir Area
Comment
CHSC23350
Convolvulus arvensis
Willis Ball
1975-5-20
529
Contra Costa
Contra Loma Regional Park. In area #1. At e end of island in center of main parking lot at s end of reservoir.
36
Comment
UC141630
Convolvulus simulans
Katharine Brandegee
1907-6-16
Contra Costa
fields bet. Antioch and Marsh Creek
Comment
UC1584663
Conyza canadensis
Jerry Powell
1990-8-29
1586
Contra Costa
Antioch National Wildlife Refuge
Comment
JEPS77538
Cordylanthus mollis subsp. mollis
Charles Patterson
June, 1978
Contra Costa
tidal marsh near Shore Acres; West Pittsburg
Comment
JEPS87949
Cordylanthus pilosus subsp. pilosus
Barbara Ertter, CNPS
1990-8-19
9623
Contra Costa
above Cutter Cove (e side of s end of Briones Reservoir, n of Orinda, along Bear Creek Trail on EBMUD land); Briones Reservoir, Bear Creek Trail
213
Comment
RSA412332
Cordylanthus pilosus subsp. pilosus
L. S. Rose
1941-8-31
41431
Contra Costa
Mt. Diablo, Rocky City.
Comment
UC2028021
Cordylanthus pilosus subsp. pilosus
Barbara Ertter
1997-9-14
15815
Contra Costa
southwest side of Mount Diablo, Wall Point Road east of crest of ridge.
Comment
UC692511
Cornus glabrata
Mary L. Bowerman
1931-5-28
904
Contra Costa
Pine Canyon Mt. Diablo (gully at e. end of Castle Rock Farm); , Pine Canyon
Comment
UCR263555
Coronopus didymus
Barbara Ertter
1990-5-15
8991
Contra Costa
San Francisco Bay Region, South El Cerrito, north foot of Albany Hill at end of Yosemite Avenue cul-de-sac
4
Comment
CAS-BOT-BC190026
Cortaderia selloana
Walter Knight
1978-9-19
3247
Contra Costa
Browns Island. South Landing.
Comment
UC692035
Corylus californica
Mary L. Bowerman
1931-5-23
894
Contra Costa
Alamo Canyon Mount Diablo
487
Comment
JEPS111824
Corylus cornuta var. californica
A. G. Murdock
2004-4-30
261
Contra Costa
Vaca Canyon
165
Comment
UC1620000
Cotoneaster lacteus
Barbara Ertter
1997-1-5
15432
Contra Costa
Ygnacio Valley Road at Lime Ridge between Walnut Creek and Clayton, south facing roadcut.
Comment
UC2028111
Cotula australis
Barbara Ertter with Christopher Baysdorfer
1998-5-10
16111
Contra Costa
Lime Ridge Open Space northwest of Mount Diablo, of Ohlone Trail.
Comment
JEPS111528
Cotula coronopifolia
D. G. Kelch
2005-5-5
05 .212b
Contra Costa
Point Pinole - Giant Marsh Giant Salt Marsh
3
Comment
UC1949082
Crassula aquatica
Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich
2009-12-3
19792
Contra Costa
at upper (south) end of San Pablo Dam Reservoir northwest of Orinda
Comment
UC692558
Crassula connata var. subsimplex
Mary L. Bowerman
1932-2-28
1093
Contra Costa
ridge e. of Rhine Canyon (grassy flat near saddle, Mt. Diablo); Mt. Diablo
579
Comment
CAS-BOT-BC427924
Crassula solieri
Brandegee
No date on label
s.n.
Contra Costa
Antioch
Comment
UCR115055
Cressa truxillensis
G. Fred Hrusa, R. York
1998-7-17
14720
Contra Costa
Sacramento-San Joaquin River Delta, E end of Dow Chemical property.
12
Comment
UC1198987
Croton californicus
Joseph P. Tracy
1921-5-17
5567
Contra Costa
Antioch
30
Comment
UC765094
Croton californicus
R. F. Hoover
1937-5-14
2113
Contra Costa
Antioch sand-dunes
Comment
CDA15277
Croton setiger
G. F. Hrusa, D. Crowe, R. York
1998-7-17
14714
Contra Costa
Sacramento Delta; E end of Dow Chemical property.
Comment
OBI22928
Croton setiger
Janet Harford
1971-11-6
2
Contra Costa
Mount Diablo, S side
610
Comment
UCD59835
Crypsis schoenoides
G. F. Hrusa; D. Crowe, R. York
1998-7-17
14726
Contra Costa
Sacramento-San Joaquin River Delta. East side of Antioch-Pittsburg Hwy at east end of Dow Chemical property.
12
Comment
CAS-BOT-BC190081
Crypsis schoenoides
R. E. Frenkel
1964-9-17
864
Contra Costa
On Marsh Creek Road at shore of Marsh-Kellogg Creek Reservoir.
45
Comment
JEPS108226
Cryptantha decipiens
David Gowen
2005-5-6
282
Contra Costa
Mt. Diablo State Park. Rocky outcrops on the south side of North Peak.
Comment
UC691337
Cryptantha decipiens
Mary L. Bowerman
1932-4-16
1345
Contra Costa
Eagle Point
Comment
UC762391
Cryptantha decipiens
R. F. Hoover
1938-5-4
3347
Contra Costa
Peak E of Tassajero Creek
762
Comment
UC659427
Cryptantha flaccida
Lincoln Constance, Carl W. Sharsmith with Howard S. Reed
1940-4-27
2573
Contra Costa
Pine Canyon, base of Mount Diablo Mount Diablo
304
Comment
UC79420
Cryptantha micromeres
Katharine Brandegee
May 1889
Contra Costa
Antioch
Comment
UC691348
Cryptantha muricata
Mary L. Bowerman
1933-5-18
2129 a
Contra Costa
Mount Diablo
Comment
UC691393
Cryptantha nevadensis var. rigida
Mary L. Bowerman
1932-4-9
1331
Contra Costa
Mount Diablo; Inner Black Hills, small ridge E of S spur on meridian
Comment
UC1795800
Cryptantha torreyana
Barbara Ertter, Mary L. Bowerman
1994-6-19
12846 a
Contra Costa
Mt. Diablo State Park east of Walnut Creek; lower Summit Parking Lot, opening on North side,
1127
Comment
CDA22912
Cucurbita foetidissima
D. G. Kelch
2008-9-1
8 .297
Contra Costa
Carquinez Strait; North of Waterbird Park along RR tracks. E of Martinez.
Comment
CDA33483
Cuscuta japonica
Fonseca/Yost
2008-11-2
PDR# 1503841
Contra Costa
San Pablo; 2336 Shawn Dr.
0
Comment
UC1818905
Cuscuta occidentalis
Barbara Ertter, Mary Bowerman
1994-6-19
12850 a
Contra Costa
Mt. Diablo State Park east of Walnut Creek; lower Summit Parking Lot, opening in chaparral near radio tower, ca 3600'.
Comment
JEPS25274
Cuscuta salina var. major
G. Thomas Robbins
1959-9-13
4161
Contra Costa
n edge Pinole; San Pablo Bay
Comment
UC613060
Cuscuta salina var. major
C. W. Sharsmith
1933-9-15
477
Contra Costa
near Carquinez Straits (adjacent to San Pablo Bay); San Pablo Bay
Comment
CAS-BOT-BC299742
Cynara cardunculus
John Thomas Howell
1953-3-15
28922
Contra Costa
Danville
Comment
CAS-BOT-BC299743
Cynara cardunculus
John Thomas Howell
1953-3-15
28922
Contra Costa
Danville
Comment
UC2013065
Cynara cardunculus
Barbara Ertter with Mary Bowerman, Lisa Schultheis
1996-7-5
14927
Contra Costa
Northwest base of Mount Diablo access to Foothills Regional Park from North Gate road along Little Pine Creek.
Comment
UCD60088
Cynodon dactylon
Katharine Brandegee
1916-5-8
s.n.
Contra Costa
Byron Springs.
Comment
UC691770
Cynoglossum grande
Mary L. Bowerman
1935-3-15
2733
Contra Costa
e. fork Arroyo del Cerro (Mt. Diablo, Peach Tree Springs rd.); Mt. Diablo, e. fork Arroyo del Cerro
228
Comment
JEPS100020
Cynosurus echinatus
S. O'Neil
2003-5-30
SEO 36
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS99547
Cynosurus echinatus
Mary Bowerman
1975-6-7
Contra Costa
Mount Diablo, Big Spring.
Comment
RSA721595
Cynosurus echinatus
Mary L. Bowerman
1975-6-7
s.n.
Contra Costa
Mount Diablo. Big Spring.
Comment
SEINET7581662
Cyperus eragrostis
Thomas Morley
1940-12-3
90
Contra Costa
Bans at upper end of San Leandro Lake near mouth of Redwood Creek.
130
Comment
UC1818863
Cyperus eragrostis
Barbara Ertter, Kristin Ertter
1995-7-11
14470
Contra Costa
Sulfur Spring on Pine Cr, Diblo Foothill Regional Park, marshy wet ground.
121
Comment
UC691968
Cyperus niger
Mary L. Bowerman
1930-10-4
480
Contra Costa
Mt. Diablo, Maple Spring
Comment
UC2028349
Cypselea humifusa
Barbara Ertter
2005-8-18
18635 a
Contra Costa
Mudflats on SE side of San Pablo Reservoir in East BAy Hills, east of San Pablo Dam Road between San Pablo and Orinda, access between HQ and boat launching area [reservoir way down this year while being drained for seismic work on dam]
Comment
CDA42439
Cystopteris fragilis
D. G. Kelch, Daniel Weinstein
2013-2-23
13 .013
Contra Costa
Carquinez Strait; Muir Land Trust Property at Fernandez Ranch; SW Christie Rd.
Comment
UC62648
Cystopteris fragilis
Marshall A. Howe
1896-2-29
Contra Costa
Mitchell Canyon; Mt. Diablo
Comment
UC692112
Cystopteris fragilis
Mary L. Bowerman
1933-5-21
2156
Contra Costa
above Grape Spring gully Sulphur Spring Canyon; Mt. Diablo
Comment
CHSC114319
Cytisus spachianus
T. C. Fuller
1964-3-10
11707
Contra Costa
Solano Ave. turn-off from freeway (IS 80), Richmond, Contra Costa County.
Comment
RSA0027405
Datura stramonium
Barbara Ertter
1999-8-21
16790
Contra Costa
Former reservoir upstream from mouth of Mitchell Canyon.
Comment
UC691894
Daucus pusillus
Mary L. Bowerman
1931-5-21
878
Contra Costa
Curry-Cave Point trail Mt. Diablo; , Curry-Cave Point trail
304
Comment
CAS-BOT-BC287365
Deinandra
Walter Knight
1977-7-24
s.n.
Contra Costa
Black Diamond Mines Regional Preserve. Nortonville Ridge
304
Comment
CAS-BOT-BC287385
Deinandra corymbosa
Peter H. Raven
1957-7-5
11052
Contra Costa
At tip of Point Isabel
Comment
UCD130661
Deinandra corymbosa
Beecher Crampton
1950-6-20
596
Contra Costa
Richmond
Comment
JEPS12619
Deinandra kelloggii
Chesnut and Drew
1889-4-18
Contra Costa
Antioch
Comment
UC365836
Deinandra kelloggii
Mrs. K. Curran
Contra Costa
near Antioch
Comment
JEPS62625
Deinandra lobbii
Elsie M. Zeile
1921-9-17
Contra Costa
Rodeo
Comment
RSA400096
Delphinium californicum
Thekla Mohr
1917-07
3245
Contra Costa
Mount Diablo
Comment
UC691947
Delphinium californicum
Mary L. Bowerman
1935-5-30
3091
Contra Costa
rock slide Mount Diablo, Eagle Point Ridge
350
Comment
JEPS105715
Delphinium hansenii subsp. hansenii
David Gowen
2004-5-10
57
Contra Costa
Round Valley Regional Preserve.North-facing slope above the main road through the park, ca. 1/2 mile west of the entry.
Comment
JEPS6231
Delphinium hesperium subsp. hesperium
Willis L. Jepson
May 23-24 1891
21394
Contra Costa
Mt. Diablo
Comment
UC2027807
Delphinium hesperium subsp. hesperium
Barbara Ertter with Holly Forbes
1997-4-20
15545
Contra Costa
North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead.
Comment
JEPS6250
Delphinium hesperium subsp. pallescens
W. L. Jepson
1923-6-10
9998
Contra Costa
Upper Marsh Creek Mount Diablo
Comment
UC13984
Delphinium hesperium subsp. pallescens
Chesnut and Drew
1889-4-17
Contra Costa
Antioch
Comment
UC101573
Delphinium hesperium subsp. pallescens
Katharine Brandegee
1907-5-3
Contra Costa
bet. Antioch and Marsh Creek
Comment
UCD102391
Delphinium nudicaule
Daniel Sanchez-Mata; M. P. Rodriguez-Rojo
2002-4-24
s.n.
Contra Costa
Mount Diablo State Park. Bald Ridge Trail. Bald Ridge.
890
Comment
RSA148120
Delphinium patens
Harlan Lewis, C. Epling
1944-5-6
s.n.
Contra Costa
5.7 miles S of Marsh Creek Road on the Beck road to Luieruiore.
Comment
RSA59848
Delphinium patens
Joseph A. Ewan
1934-4-8
8754
Contra Costa
S Fork Marsh Creek, Morgan Territory.
244
Comment
CAS-BOT-BC116454
Delphinium patens subsp. patens
H. L. Mason
1928-4-29
4440
Contra Costa
Sycamore Canyon, south slope of Mount Diablo
Comment
JEPS65196
Delphinium patens subsp. patens
L. R. Heckard
1971-4-15
2471
Contra Costa
along Morgan Territory road 7 mi n intersection with Manning road (e of Mt. Diablo)
487
Comment
UC692090
Delphinium patens subsp. patens
Mary L. Bowerman
1933-5-17
2110
Contra Costa
branch of Curry due s Olafsen's barn (w-facing bank 20 ft above stream); Mount Diablo
Comment
CAS-BOT-BC116462
Delphinium patens subsp. patens
E. M. Zeile
1910-4-2
s.n.
Contra Costa
Fish Ranch
Comment
UC199142
Delphinium variegatum
Chesnut and Drew
1887-4-16
Contra Costa
Clayton
Comment
UC1050504
Dendromecon rigida
N. Floy Bracelin
1941-4-27
1222
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
CAS-BOT-BC192675
Deschampsia danthonioides
Walter Knight; Irja Knight; Mary L. Bowerman
1969-6-4
2621
Contra Costa
100 yds west of Chase Pond. Mt. Diablo
554
Comment
CAS-BOT-BC192676
Deschampsia danthonioides
Mary L. Bowerman
1935-6-28
3164
Contra Costa
Chase Pond
548
Comment
CHSC97924
Deschampsia elongata
D. G. Kelch
2002-6-18
02 .214
Contra Costa
Wildcat Canyon Road in Tilden Park.
Comment Read comments Dec 14 2010
CHSC118029
Deschampsia elongata
Barbara Ertter
1999-6-12
16710
Contra Costa
Black Hawk Ridge road on south side of Mount Diablo, road crossing at confluence of NE and E forks of Sycamore Creek.
396
Comment
SEINET3927628
Deschampsia elongata
Glen Holstein
2000-7-27
s.n.
Contra Costa
SE El Sobrante, NE side of San Pablo Ridge.; 0
Comment
UC199816
Dicentra chrysantha
V. King Chesnut
1887-9-10
Contra Costa
Mt. Diablo
Comment
UC521723
Dicentra chrysantha
Joseph Andorfer Ewan
1933-10-15
8030
Contra Costa
s slope Mt. Diablo
1066
Comment
UC615579
Dicentra chrysantha
Beryl O. Schreiber
1933-10-5
933
Contra Costa
Mount Diablo road; Mount Diablo
Comment
UC692101
Dicentra chrysantha
Mary L. Bowerman
1932-9-3
1529
Contra Costa
Muir Area; Mount Diablo
Comment
POM212448
Dicentra chrysantha
Joseph A. Ewan
1933-10-15
8030
Contra Costa
South slope of Mt. Diablo
1067
Comment
CDA39457
Dichelostemma capitatum
D. G. Kelch
2007-3-24
7 .092
Contra Costa
Carquinez Strait; Ozol; between Port Costa and Martinez, near old brick quarry.
Comment
UC72521
Dichelostemma capitatum
Harley P. Chandler
1901-3-22
880
Contra Costa
Port Costa
Comment
RSA367471
Dichelostemma capitatum subsp. capitatum
H. de Forest
1930-4-6
s.n.
Contra Costa
[No locality information provided]
Comment
JEPS100059
Dichelostemma congestum
G. Smick
2003-5-8
GAS 69
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS112492
Dichelostemma congestum
D. G. Kelch
2005-4-24
05 .171
Contra Costa
Franklin Canyon Franklin Canyon. Collier Hill. West Carbon. On knoll between fenced hill and railroad cut.
60
Comment
JEPS112511
Dichelostemma congestum
D. G. Kelch
2004-5-7
04 .182
Contra Costa
Ca ada del Cierbo
40
Comment
UC1133994
Dichelostemma congestum
C. M. Belshaw
1936-5-9
2074
Contra Costa
2.25 mi e Clayton; Mt. Diablo Quad.
381
Comment
UC2029186
Dichelostemma congestum
Barbara Ertter
2000-5-14
17006
Contra Costa
Donner Canyon on north side of Mount Diablo, SW end of Falls Trail between Middle Trail and Donner Creek crossing
Comment
UC1795813
Dichondra donelliana
Barbara Ertter, Brad Olson
1994-5-7
12745
Contra Costa
S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge.
Comment
CAS-BOT-BC150329
Diplacus aurantiacus
Alice Eastwood
1915-5-30
4455
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC121839
Dirca occidentalis
Walter Knight; Irja Knight
1967-1-24
2057
Contra Costa
Tilden Regional Park, near little train
Comment
LA209792
Dirca occidentalis
Joseph Andorfer Ewan;
1934-3-10
8643
Contra Costa
Wildcat Canyon, 2 mi below Orinda Rd bridge,
Comment
CAS-BOT-BC208654
Distichlis spicata
A. A. Beetle
1941-6-24
s.n.
Contra Costa
Point Richmond on San Francisco Bay
Comment
UCD64394
Distichlis spicata var. stolonifera
M. Wiesendanger
1926-6-1
1534
Contra Costa
Richmond.
Comment
SEINET10558207
Distichlis spicata var. stolonifera
Alan A. Beetle
1941-6-24
Beetle 1752
Contra Costa
Point Richmond on San Francisco Bay, common in wet sandy places.
Comment
CDA4505
Dittrichia graveolens
D. G. Kelch
2006-9-25
6 .476
Contra Costa
Carquinez Strait; Marsh 1km. W of Pacheco Slough.
Comment
JEPS21206
Dodecatheon clevelandii subsp. patulum
Herbert L. Mason
1925-2-28
1260
Contra Costa
1/2 mi e Rodeo; e of Rodeo
Comment
SBBG5610
Dodecatheon clevelandii subsp. patulum
J. M. Tucker
1946-3-24
1384
Contra Costa
hills between Nortonville and Somersville
Comment
UC1123279
Dodecatheon clevelandii subsp. patulum
R. C. Wilson
1935-2-26
110
Contra Costa
3/4 mi sw Somersville; Mt. Diablo Quad., sw of Somersville
Comment
UC673501
Dodecatheon clevelandii subsp. patulum
Herbert L. Mason
1929-3-15
5056
Contra Costa
summit of hill e Nortonville; e of Nortonville
Comment
JEPS9520
Dodecatheon hendersonii
W. L. Jepson
1923-3-11
9848
Contra Costa
Mt. Diablo
396
Comment
UC1111024
Dodecatheon hendersonii
Herbert L. Mason
1926-3-7
2700
Contra Costa
Mt. Diablo
Comment
SEINET8733889
Downingia elegans
H. S. Reed
1940-1
356 a
Contra Costa
six miles south of Antioch
15
Comment
UC1189259
Downingia insignis
John R. Swanson
1958-4-15
236
Contra Costa
3 mi s Byron (at junction of Holey road)
Comment
UC407372
Downingia insignis
Ira L. Wiggins
1930-4-17
4570
Contra Costa
0.25 mi s Byron
Comment
SJSU3103
Downingia ornatissima var. eximia
J. A. Johnson
1956-4-7
11
Contra Costa
1.5 mi E of Concord in El Monte District
Comment
UC765585
Downingia ornatissima var. eximia
R. F. Hoover
1941-4-12
4841
Contra Costa
2 mi s Antioch
Comment
JEPS14473
Downingia pulchella
G. Thomas Robbins with Peter H. Raven
1956-4-28
3666
Contra Costa
just e. of Martinez junction & 0.1 mi w. of Buchanan Field Rd. State Hwy. 4
Comment
POM312380
Downingia pulchella
Francia Chisaki, S. Galen Smith, Peter M. Ray
1951-4-14
1980
Contra Costa
7 miles N of Walnut Creek, E of Hwy 21, 0.2 mile S of intersection with Hwy 4.
Comment
UC2027994
Draba verna
Barbara Ertter with Tony Morosco
1998-4-12
16024
Contra Costa
Mount Olympia on north side of Mount Diablo, midway down Olympia Road from summit.
Comment
CAS-BOT-BC159644
Drymocallis glandulosa var. glandulosa
Mary L. Bowerman
1938-6-14
3679
Contra Costa
Canyon Nook, one foot above stream - Mount Diablo
Comment
UC691090
Drymocallis glandulosa var. wrangelliana
Mary L. Bowerman
1931-4-19
748
Contra Costa
Mitchell Canyon Mount Diablo, Mitchell Canyon
Comment
CDA42720
Dryopteris arguta
A. G. Murdock
2004-2-12
205
Contra Costa
Franklin Canyon - McHarry Ranch Road.
Comment
JEPS111936
Dryopteris arguta
D. G. Kelch
2005-5-1
05 .190
Contra Costa
Crockett - Edwards Canyon
150
Comment
SD70421
Dudleya abramsii subsp. setchellii
W. L. Jepson
1918-6-5
7604
Contra Costa
Mt. Diablo, on north peak.
1064
Comment Read comments Feb 4 2013
CAS-BOT-BC197108
Echinochloa crus-galli
John Thomas Howell; Gordon H. True
1972-6-29
48942
Contra Costa
Along Byron Hot Springs Road where water has stood, southeast of Byron
Comment
UC1795670
Echinochloa crus-galli
Barbara Ertter, Kristin Ertter
1995-7-11
14486
Contra Costa
West side of Mt Diablo; mudflat around inlet to Pine Pond.
Comment
UC1606287
Egeria densa
Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson
1991-10-20
10864
Contra Costa
just w Antioch marina (accessed from marina); Dow Wetlands Preserve
Comment
RSA756015
Eichhornia crassipes
Barbara Ertter
1990-9-16
9642
Contra Costa
Junction of Cypress Road and Jersey Island Road east of Oakley.
Comment
CAS-BOT-BC211459
Elaeagnus angustifolia
Dr. E. C. Van Dyke
1941-10-4
s.n.
Contra Costa
River bank east of Antioch
Comment
JEPS45767
Elatine heterandra
W. L. Jepson
1891-5-22
13954
Contra Costa
Walnut Creek
Comment
UC1606337
Eleocharis acicularis
Barbara Ertter, Brad Olson
1991-9-28
10832
Contra Costa
S end of San Pablo Reservoir between Orinda and El Sobrante
Comment
JEPS111879
Eleocharis macrostachya
A. G. Murdock
2004-4-30
250
Contra Costa
McEwen Road West side of road in boggy wetland.
130
Comment
UC691970
Eleocharis macrostachya
Mary L. Bowerman
1938-5-28
3645
Contra Costa
Maple Spring, on upper margin especially in the NW corner Mount Diablo
Comment
UC691974
Eleocharis macrostachya
Mary L. Bowerman
1935-6-21
3151
Contra Costa
S of Turtle Rock (tiny pool above main pond); Mount Diablo
Comment
CAS-BOT-BC112794
Eleocharis macrostachya
Barrett Anderson
1987-4-29
3484
Contra Costa
Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD.
125
Comment
POM300639
Eleocharis palustris
Mary L. Bowerman
1935-6-21
3152
Contra Costa
Mount Diablo: South of Turtle Rock, pool east of main pond
Comment
SEINET3558852
Ellisia membranacea
Lewis S. Rose
1933-3-10
33011
Contra Costa
Brentwood.
Comment
RSA108337
Elymus X gouldii
Frank W. Gould
1941-5-6
1288
Contra Costa
2.3 miles from Walnut Creek on Danville road.
Comment
UC691172
Elymus X hansenii
Mary L. Bowerman
1935-7-22
3184
Contra Costa
Mountain Springs Canyon Mount Diablo (about 100 ft from bottom)
670
Comment
JEPS111076
Elymus X hansenii
Lee Echols
2003-5-4
s.n.
Contra Costa
N of Lark Drive in central portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond.
15
Comment
UC691273
Elymus glaucus
Mary L. Bowerman
1933-8-26
2414
Contra Costa
Lower Canyon Spring Mount Diablo
1005
Comment
POM300594
Elymus glaucus
Mary L. Bowerman
1935-5-16
3009
Contra Costa
Behind Gabriel-Hinks' (east side of North Peak)
290
Comment
UC2028480
Elymus multisetus
Barbara Ertter with Richard K. Brummitt
1998-5-6
16103
Contra Costa
Point San Pablo west of Richmond, crest of road to yacht harbor
Comment
CDA2040
Elytrigia elongata
T. C. Fuller
1961-9-13
7001
Contra Costa
Hwy J4, ca. 4 miles southeast of Byron.
0
Comment
JEPS1599
Emmenanthe penduliflora
Mary L. Bowerman
1933-4-26
1916
Contra Costa
North Peak ridge east-southeast of the peak, south face, Mount Diablo
609
Comment
RSA128915
Emmenanthe penduliflora
Peter H. Raven
1950-7-5
2480
Contra Costa
A flat on south side of Mt. Diablo.
1067
Comment
UC672376
Emmenanthe penduliflora
Herbert L. Mason
1928-4-22
4434
Contra Costa
Sycamore Canyon, south slope of Mount Diablo
Comment
UCD105401
Epilobium brachycarpum
Peter Rubtzoff
1954-9-14
1748
Contra Costa
Lower San Joaquin River, E of Antioch.
Comment
UC421666
Epilobium campestre
John Thomas Howell
1929-7-20
4331
Contra Costa
Pittsburg
Comment
UC764884
Epilobium campestre
R. F. Hoover
1937-5-14
2119
Contra Costa
Byron Hot springs
Comment Read comments Dec 18 2008
UC101787
Epilobium campestre
Katharine Brandegee
1907-6-16
Contra Costa
near S. P. Railway Station; Antioch
Comment
UC692446
Epilobium campestre
Mary L. Bowerman
1935-6-28
3173
Contra Costa
s summit (vernal pool 300 yd e of meridian fence line); Mt. Diablo
487
Comment
UC634754
Epilobium canum subsp. canum
H. L. Mason
1924-11-23
1169
Contra Costa
Las Trampas Ridge
Comment
CAS-BOT-BC166163
Epilobium canum subsp. canum
L. R. Abrams
1910-10-8
4338
Contra Costa
Mt. Diablo near Wall Pt.
457
Comment
CDA38070
Epilobium ciliatum
D. G. Kelch
2003-8-13
3 .142
Contra Costa
Carquinez Strait; Pinole Creek.
Comment
JEPS111567
Epilobium ciliatum
D. G. Kelch
2003-8-13
03 .142
Contra Costa
Pinole Creek
68
Comment
UC2028971
Epilobium ciliatum subsp. ciliatum
Barbara Ertter
2000-7-16
17393
Contra Costa
lower Pine Creek in Diablo Foothills Regional Park.
Comment
CDA9494
Epilobium cleistogamum
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .218
Contra Costa
Byron Airport.
Comment
UC85551
Epilobium cleistogamum
Katharine Brandegee
1907-6-16
Contra Costa
clay depressions between Antioch and Marsh Creek (type locality)
Comment
RSA0027403
Epipactis helleborine
Barbara Ertter
1999-7-17
16769
Contra Costa
Tilden Regional Park, trail to Jewel Lake paralleling Wildcat Creek, through thick woodland growth.
Comment
UC692137
Equisetum X ferrissii
Mary L. Bowerman
1933-11-4
2460
Contra Costa
toward head of the spring in rocky gully Alder Creek Springs; Mt. Diablo
487
Comment
JEPS79478
Equisetum hyemale subsp. affine
Edward Lee with C. Belshaw
1935-7-28
1700
Contra Costa
w. end Las Trampas Ridge
426
Comment
UC2029183
Equisetum hyemale subsp. affine
Barbara Ertter
2000-7-16
17394
Contra Costa
lower Pine Creek in Diablo Foothills Regional Park.
Comment
UC2028554
Equisetum telmateia subsp. braunii
Barbara Ertter
1998-11-15
16462
Contra Costa
North side Mount Olympia on north side Mount Diablo
Comment
UCD63196
Eragrostis curvula
George W. Murray
1964-7-24
Contra Costa
Along dry roadside cut, 1 to 2 miles E of Clayton, Marsh Creek Road.
Comment
UC1152689
Eragrostis curvula var. curvula
George W. Murray
1964-7-24
Contra Costa
1 to 2 mi. e. Clayton (Marsh Creek Rd.)
Comment
UCD64352
Eragrostis pectinacea var. pectinacea
Beecher Crampton
1965-9-29
7529
Contra Costa
2 miles north of Brentwood.
Comment
UC630417
Eremocarpus setiger
Paule Guiget and Annetta Carter
1939-8-13
1452
Contra Costa
on Marsh Creek rd 2.8 mi e Clayton
213
Comment
UC692710
Eremocarpus setiger
Mary L. Bowerman
1930-10-4
485
Contra Costa
South road near entrance; Mount Diablo
Comment
OBI16592
Ericameria arborescens
H. E. McMinn
1936-1
4453
Contra Costa
Mt. Diablo
Comment
UC1118629
Ericameria arborescens
R. W. Lundh
1932-8-29
153
Contra Costa
2/3 mi n of Eagle Point; Mt. Diablo Quadrangle
457
Comment
JEPS31300
Ericameria linearifolia
W. L. Jepson
1921-5-22
9203
Contra Costa
summit Mount Diablo
1127
Comment
UC36557
Ericameria linearifolia
F. T. Bioletti
1894-5-13
Contra Costa
Mt. Diablo
Comment
UCD102386
Ericameria linearifolia
Daniel Sanchez-Mata; M. P. Rodriguez-Rojo
2002-4-24
s.n.
Contra Costa
Mount Diablo State Park. North Peak Road to North Peak.
920
Comment
RSA22313
Erigeron petrophilus
Joseph A. Ewan
1936-7-5
9735
Contra Costa
Wildcat Creek.
Comment
UC697208
Erigeron philadelphicus var. philadelphicus
Mary L. Bowerman
1935-5-16
2998
Contra Costa
Russelman Park road at Gregory Ranch junction; Mount Diablo
289
Comment
UC1613946
Eriodictyon californicum
Charles M. Belshaw
1935-6-24
1027
Contra Costa
Sobrante Hills
Comment
CAS-BOT-BC253239
Eriogonum fasciculatum var. foliolosum
R. E. Frenkel
1963-11-2
304
Contra Costa
Tilden Park, 1/4 mile south-east of Tilden Park Botanical Garden on east side of South Park Drive
Comment
CAS-BOT-BC250381
Eriogonum gracile
Mary L. Bowerman
1932-8-27
1524
Contra Costa
Mount Diablo. South of Turtle Rock
Comment
CAS-BOT-BC250385
Eriogonum gracile
Robert F. Hoover
1940-11-23
4695
Contra Costa
Two miles west of Byron
Comment
CAS-BOT-BC250386
Eriogonum gracile
Lewis S. Rose
1955-10-17
55187
Contra Costa
Antioch
15
Comment
UC2028232
Eriogonum gracile
Barbara Ertter
1998-11-15
16464
Contra Costa
North side Mount Olympia on north side Mount Diablo.
Comment
CAS-BOT-BC268918
Eriogonum nudum var. auriculatum
L. R. Abrams
1910-10-8
4340
Contra Costa
Mt Diablo
609
Comment
UC692046
Eriogonum nudum var. auriculatum
Mary L. Bowerman
1931-9-12
1037
Contra Costa
Mitchell Canyon, spur jutting out into w fork Mount Diablo
838
Comment
CAS-BOT-BC268909
Eriogonum nudum var. auriculatum
John Thomas Howell
1930-7-4
5337
Contra Costa
In the north Berkeley Hills
Comment
POM300598
Eriogonum nudum var. auriculatum
Mary L. Bowerman
1932-9-17
1585
Contra Costa
Mount Diablo: Donner Canyon, west fork of west fork
335
Comment
UC2029055
Eriogonum nudum var. auriculatum
Barbara Ertter with Delia Taylor
2003-6-22
18227
Contra Costa
Black Diamond Mines Regional Preserve south of Pittsburg, ridge south of Arata Overlook Trail NE of park headquarters east of Somerville Road.
Comment
JEPS102915
Eriogonum roseum
Barbara Ertter with Tony Morosco
1998-10-18
16436
Contra Costa
NE corner of Lime Ridge recreation Area Mount Diablo
182
Comment
RSA0033856
Eriogonum roseum
Barbara Ertter, Tony Morosco
1998-9-18
16436
Contra Costa
NE corner of Lime Ridge Open Space northwest of Mount Diablo.
182
Comment
RSA766267
Eriogonum roseum
Joseph A. Ewan
1933-10-15
8022
Contra Costa
Grassy slope above Indian Ceremonial Spr., Mt. Diablo
Comment
UC6492
Eriogonum truncatum
State Survey
1862-5-29
1186
Contra Costa
Camp 71, Marsh's Ranch, Contra Costa Co.
Comment
UC85395
Eriogonum truncatum
C. F. Baker
1903-4-28
2833
Contra Costa
Marsh Creek Mt. Diablo, Marsh Creek
Comment
UCR139461
Eriogonum truncatum
J. T. Howell
1934-4-8
11816
Contra Costa
San Francisco Bay Region, [Black Hills] 10 mi from Clayton [SE] on Marsh Creek Road
366
Comment
CAS-BOT-BC267871
Eriogonum umbellatum var. bahiiforme
A. D. E. Elmer
1903-7-1
4547
Contra Costa
Mount Diablo
Comment
JEPS108318
Eriogonum umbellatum var. bahiiforme
David Gowen
2005-5-29
399
Contra Costa
West of Morgan Territory Rd. and the main entrance to Morgan Territory Regional Preserve. Rocky area west of summit of hill 2581 (Tassajara Pk.?).
Comment
UCD101575
Eriogonum wrightii var. trachygonum
Osterli
1950-10-1
s.n.
Contra Costa
Contra Costa County.
Comment
JEPS97525
Eriophyllum confertiflorum
R. D. Stone
1980-7-13
269
Contra Costa
NE of intersection of Skyline Ave. and Snake Blvd. Huckleberry Trail; Oakland Hills
396
Comment
SEINET10761151
Eriophyllum jepsonii
Barbara J. Ertter, Holly Forbes
1997-4-20
Ertter 15562
Contra Costa
North base of Mount Diablo, Eagle Peak Trail on NE side of Eagle Ridge below Twin Peaks, mixed chaparral-brush with Ptelea et al.
Comment
CAS-BOT-BC300968
Eriophyllum lanatum var. achilleoides
John Thomas Howell
1923-11-12
244
Contra Costa
Mt. Diablo
Comment
UC194915
Eriophyllum lanatum var. achilleoides
H. M. Hall
1916-5-31
10134
Contra Costa
s side of summit Mt. Diablo
1170
Comment
UC31674
Eriophyllum lanatum var. achilleoides
W. L. Jepson
May 22 1891-May 23 1891
Contra Costa
Mt. Diablo
Comment
UC691665
Eriophyllum lanatum var. achilleoides
Mary L. Bowerman
1935-5-22
3065
Contra Costa
Eagle Point Ridge = most w of two ridges which converge at Twin Peaks; Mt. Diablo, Eagle Point Ridge
365
Comment
UC691723
Eriophyllum lanatum var. achilleoides
Mary L. Bowerman
1935-5-30
3097 c
Contra Costa
between the two ridges which converge at Twin Peaks (Eagle Point ridge) Mount Diablo
350
Comment
UCD132203
Eriophyllum lanatum var. achilleoides
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
Between Diablo and Summit.
Comment
CAS-BOT-BC300971
Eriophyllum lanatum var. achilleoides
H. E. McMinn
1922-6-30
98
Contra Costa
On way up Mt. Diablo, less 1/2 way up
Comment
CAS-BOT-BC300975
Eriophyllum lanatum var. achilleoides
Mary L. Bowerman
1930-6-28
388
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC300976
Eriophyllum lanatum var. achilleoides
Mary L. Bowerman
1938-6-14
3687
Contra Costa
Mount Diablo. 0.3 mile below Muir Area
960
Comment
JEPS34592
Eriophyllum lanatum var. achilleoides
W. L. Jepson
1918-6-5
7608
Contra Costa
on the n peak Mt. Diablo
Comment
POM301034
Eriophyllum lanatum var. achilleoides
Mary L. Bowerman
1935-5-22
3065
Contra Costa
Most westerly of the two ridged which converge at Twin Peaks (Eagle Point Ridge)
366
Comment
JEPS107133
Eriophyllum staechadifolium
Barbara Ertter, Brad Olson
1994-5-7
12759
Contra Costa
S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge
Comment
UC571141
Erodium botrys
A. E. Borell
1928-3-31
75
Contra Costa
Richmond
Comment
SEINET5604448
Erodium cicutarium
Rachel Van Noord
1998-1
4
Contra Costa
Dinosaur Hill Park, Pleasant Hill, CA N 37* 56.149' W 122* 05.391
Comment
JEPS105685
Erodium macrophyllum
David Gowen
2003-2-23
s. n.
Contra Costa
Black Diamond Mines Regional Park, w-facing hillside ca. 1 km due E of Sidney Flat
Comment
JEPS105747
Erodium macrophyllum
Barbara Ertter with David Gowen, Mike Park, Wilde Legard
2004-4-13
18346
Contra Costa
Black Diamond Mines Regional Preserve, WSW-facing slope above water tank E of River View Loop Trail, over saddle E of park headquarters at Sidney Flat
182
Comment
UCD103262
Erodium moschatum
P. B. Kennedy
1925-4-26
s.n.
Contra Costa
Mt. Diablo.
Comment
CAS-BOT-BC211072
Eryngium
Katharine Brandegee
1907-5-16
s.n.
Contra Costa
Antioch
Comment
UC691774
Eryngium aristulatum var. aristulatum
Mary L. Bowerman
June 1942
3850
Contra Costa
South Rd. Mt.Diablo
Comment
POM133545
Eryngium aristulatum var. aristulatum
Katherine Brandegee
1907-5-16
s.n.
Contra Costa
[Unspecified]
Comment
JEPS17451
Eryngium armatum
W. L. Jepson
1922-7-9
9732
Contra Costa
Richmond
Comment
JEPS121010
Eryngium armatum
D. G. Kelch
2007-6-16
07 .464
Contra Costa
Pt. Pinole, N spur of Park, near shore
Comment
JEPS78607
Eryngium articulatum
Walter Knight, L. R. Heckard, and Bert Johnson
1978-9-28
3291
Contra Costa
Browns Island, Botany Cove
Comment
UC2028328
Eryngium jepsonii
Barbara Ertter with Richard K. Brummitt
1998-5-13
16136
Contra Costa
Black Diamond Mines Regional Preserve in hills south of Pittsburg, head of SE branch of Loughler Loop Trail.
Comment
CDA9503
Eryngium spinosepalum
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .23
Contra Costa
Byron Airport.
Comment
SEINET9111554
Eryngium vaseyi var. castrense
Lincoln Constance, Alava, Reino and Bacigalupi, Rimo
1958-6-6
3661
Contra Costa
Open country 3 miles southeast of Byron, San Joaquin Valley
11
Comment
CAS-BOT-BC40762
Erysimum capitatum
W. W. Carruth
1901-3-1
s.n.
Contra Costa
Mount Diablo.
Comment
CAS-BOT-BC40766
Erysimum capitatum
Alice Eastwood; John Thomas Howell
1936-4-19
2151
Contra Costa
Antioch sand hills.
Comment
CAS-BOT-BC40768
Erysimum capitatum
G. B. Rossbach; R. P. Rossbach
1938-6-5
858 a
Contra Costa
Along tidal estuary of San Joaquin River just east of Antioch.
Comment
CAS-BOT-BC40769
Erysimum capitatum
G. B. Rossbach; R. P. Rossbach
1938-6-5
858 b
Contra Costa
Along tidal estuary of San Joaquin River just east of Antioch.
Comment
CAS-BOT-BC40772
Erysimum capitatum
Robert F. Hoover
1935-3-10
305
Contra Costa
Antioch.
Comment
CAS-BOT-BC41526
Erysimum capitatum
H. L. Mason
1933-4-9
7189
Contra Costa
East of Antioch along the San Joaquin River.
12
Comment
SJSU1509
Erysimum capitatum
D. J. Thompson
1954-5-2
Contra Costa
between Pinole & Pittsburg
Comment
UC1034902
Erysimum capitatum
G. B. and R. P. Rossbach
1938-6-5
859
Contra Costa
steep southerly slope near summit; Mt. Diablo
Comment
CDA33846
Erysimum capitatum
D. G. Kelch
2010-5-15
10 .116
Contra Costa
Mt. Diablo. Trail from Juniper Camp to Deer Flat.
0
Comment
RSA102133
Erysimum capitatum var. angustatum
G. B. Rossbach
1955-3-13
570
Contra Costa
Along tidal estuary of San Joaquin River just E of Antioch
24
Comment
RSA0008587
Erysimum capitatum var. angustatum
Alice Eastwood, J. T. Howell
1936-4-19
s.n.
Contra Costa
Antioch
Comment
UC10566
Erysimum capitatum var. capitatum
J. Burtt Davy
1895-4-7
996
Contra Costa
foothills Antioch
Comment
JEPS111863
Erysimum cheiri
D. G. Kelch
2004-4-11
04 .75
Contra Costa
Crockett - Crolona Heights Hillside above Rolf Drive. Lower Crolona heights
15
Comment
CHSC75109
Eschscholzia californica
Roger Thom
1987-4-21
6
Contra Costa
3300 block of Johnson Rd. Lafayette.
167
Comment
UC692172
Eschscholzia californica
Mary L. Bowerman
1935-5-22
3059
Contra Costa
saddle w Twin Peaks (Eagle Point ridge); Mount Diablo
441
Comment
UC692180
Eschscholzia californica
Mary L. Bowerman
1932-3-27
1144
Contra Costa
near Mitchell Rock (on e side); Mount Diablo
Comment
PASA450
Eschscholzia californica
Annetta Carter
1929-3-31
Contra Costa
Near Clayton. Hills north of Mt. Diablo
Comment
CAS-BOT-BC5937
Eschscholzia recta
Mary Katherine (Mrs.) Brandegee
1889-5-1
s.n.
Contra Costa
Antioch
Comment
JEPS96222
Eucalyptus globulus
Barbara Ertter, Brad Olson
1993-10-30
12293
Contra Costa
w. of R.R. tracks n. of mouth of Pinole Creek (along R.R. track at edge of salicornia marsh, San Pablo Regional Shoreline); San Pablo Regional Shoreline
Comment
UC1789218
Eucalyptus tereticornis
Barbara Ertter
1993-11-13
12318
Contra Costa
Sibley Volcanic Regional Preserve in Oakland Hills S of Orinda, pine & eucalypt forest on south side of Round Top, ca 1500 ft.; locally established tree with peeling bark.
Comment
CDA40312
Eucrypta chrysanthemifolia
D. G. Kelch
2005-5-13
5 .273
Contra Costa
Carquinez Strait Region; Martinez - West: Ozol Rock and Scenic Drive, near Ozol Rock.
Comment
JEPS1714
Eucrypta chrysanthemifolia var. chrysanthemifolia
Mary L. Bowerman
1932-3-6
1102
Contra Costa
Sycamore Canyon Sycamore Canyon, Mount Diablo; Mount Diablo
Comment
UC692714
Euphorbia crenulata
Mary L. Bowerman
1930-8-24
417
Contra Costa
Mitchell Canyon; Mount Diablo
Comment
CDA17966
Euphorbia oblongata
R. M. Case
1999-10-5
PDR 004978
Contra Costa
Central California; Wildcat Canyon Rd. at Tilden Park Golf Course above Berkeley.
0
Comment
UCR247571
Euphorbia oblongata
Deviney
2008-4-18
s.n.
Contra Costa
Pacheco, Waterbird Way and Hwy 680
Comment
CDA4844
Euphorbia oblongata
T. C. Fuller
1961-7-6
6585
Contra Costa
Carquinez Strait; Alhambra Valley, Highway 4, 0.5 mile west of Glen Frazier Station, ca. 4 miles west of Martinez.
0
Comment
RSA119277
Euphorbia oblongata
T. C. Fuller
1958-7-30
s.n.
Contra Costa
Contra Costa County: bench above creek and along roadside, Hwy 4, 3 miles W of Martinez
Comment
CAS-BOT-BC202389
Euphorbia ocellata
Lewis S. Rose
1953-10-12
53096
Contra Costa
Mt. Diablo, west slope
381
Comment
UCD142475
Euphorbia peplus
Terri Williamson
1990-5-22
68
Contra Costa
Pleasant Hill, 212 Poshard Street.
12
Comment
UC2062608
Euphorbia spathulata
Barbara Ertter with David Gowen, Mike Park, Wilde Legard
2004-4-13
18345
Contra Costa
Black Diamond Mines Regional Preserve south of Pittsburg, east of River View Loop Trail, over saddle east of park headquarters at Sidney Flat
Comment
UC1999853
Eurybia radulina
J. C. Semple, B. A. Suripto, T. Ahmed
1990-8-16
9340
Contra Costa
Charles Tilden Reg. Park; Vollmer Peak.
Comment
CDA4937
Euthamia occidentalis
Niang, Jeffery
2007-8-1
PDR# 1455280
Contra Costa
Concord; Canal at Walnut Ave, near Clayton Rd.
Comment
CAS-BOT-BC310643
Euthamia occidentalis
Vincent Jones
1920-8-29
s.n.
Contra Costa
Orwood
Comment
UC2032820
Festuca myuros
Doran, Andrew Scott
2012-3-20
690
Contra Costa
North end of Brooks Island along ridge overlooking artificial spit, southwest of caretakers residence.
Comment
POM205843
Festuca rubra
Jos Burtt Davy
1897-04
s.n.
Contra Costa
Point Isabel.
Comment
SEINET257715
Festuca rubra
M. Barkworth, D Amme
1989-6-15
5168
Contra Costa
Bluffs back of beach just N of Castro Point
Comment
UCD66332
Festuca rubra
P. B. Kennedy
1919-5-1
s.n.
Contra Costa
North Berkeley. Hills.
Comment
SEINET10590890
Festuca rubra
Barbara J. Ertter, B. Olson
1994-5-7
Ertter 12752
Contra Costa
S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay. Intact coastal prairies above bluff just south of park, between road and bay, with dense Festuca. Coastal form, tufted (a=on bluffs).
Comment
CDA5267
Filago californica
D. G. Kelch, A. G. Murdock
2005-5-13
5 .278
Contra Costa
Carquinez Strait Region; Martinez - West: Ozol Rock and Scenic Drive.
Comment
UC691905
Forestiera pubescens
Mary L. Bowerman
1936-6-20
3414
Contra Costa
w side of ridge w Mt. Zion; Mount Diablo
198
Comment
CAS-BOT-BC384137
Forestiera pubescens subsp. parvifolia
John Thomas Howell
1933-3-29
10905
Contra Costa
Canyon below Nortonville
Comment
CAS-BOT-BC223860
Frankenia salina
L. R. Abrams
1916-7-1
5730
Contra Costa
Near Martinez
Comment
JEPS74307
Frankenia salina
John Thomas Howell and Gordon H. True
1972-6-29
48919
Contra Costa
Byron Hot Springs Road se Byron
Comment
UC2028959
Frankenia salina
Barbara Ertter
2002-8-24
18022
Contra Costa
Dunn Creek south of Mount Diablo Mine property on NE base of Mount Diablo.
Comment
UC1123360
Fraxinus dipetala
C. M. Belshaw
1936-5-15
2128
Contra Costa
Stewartsville Mt. Diablo Quad.
228
Comment
UC1753841
Fraxinus dipetala
Annetta M. Carter, Leo Bowerman
1935-6-1
875
Contra Costa
Mt. Diablo. NW facing slope, W side of main peak.
1005
Comment
UC1795649
Fraxinus dipetala
Barbara Ertter, Brad Olson, Diane Lake, Seth Adams, et al.
1994-9-11
13081
Contra Costa
Chaparral Springs addition to Mt. Diablo State Park, north side of Marsh Creek Road at high point southeast of Clayton, open oak woodland (Canyon live oak, blue oak, buckeye); north facing slope with local grove of Fraxinus, Aesculus, toyon.
Comment
UC13831
Fritillaria liliacea
J. P. Tracy
1900-3-24
612
Contra Costa
near Point Richmond (San Francisco Bay Region); San Francisco Bay Region
3
Comment
CDA3561
Fumaria capreolata
D. G. Kelch, A. G. Murdock
2005-5-5
5 .208
Contra Costa
Carquinez Strait Region; Point Pinole - Giant Marsh. Giant Salt Marsh.
Comment
SD241825
Fumaria capreolata
Barbara Ertter
1999-3-21
16486
Contra Costa
Miller Knox Regional Park near Point Richmond, edge of old excavation into rock (southeast of Richmond Ramblers building)
Comment
JEPS7031
Galium andrewsii subsp. gatense
Miss Ferguson
Contra Costa
Donner Canyon Mt. Diablo
Comment
CDA33841
Galium andrewsii subsp. gatense
D. G. Kelch
2010-5-15
10 .119
Contra Costa
Mt. Diablo. Trail from Juniper Camp to Deer Flat.
0
Comment
CHSC21612
Galium aparine
Willis Ball
1975-2-23
440
Contra Costa
Contra Loma Regional Park. In area #2. On SE side of hill ca. 20 yds W of boat ramp at W side of lake.
45
Comment
UC1039519
Galium aparine
Herbert L. Mason
1932-3-20
6840
Contra Costa
Antioch sand hills
Comment
RSA760669
Galium aparine
William J. Ferlatte, L. Maynard Moe
1970-4-27
1247
Contra Costa
San Francisco Bay, Red Rock Island.
Comment
LA208411
Galium californicum
Joseph Andorfer Ewan;
1935-5-26
9299
Contra Costa
Tufts in rock crevices and about outcrops. E slope Bald Peak, San Pablo Ridge
548
Comment
JEPS49754
Galium murale
Rimo Bacigalupi, and Alice Howard, and Paul Hutchison
1967-3-29
9222
Contra Costa
upper reaches of canyon Las Trampas Ridge, Bolinger Canyon (w slope of ridge)
381
Comment
SBBG27401
Galium murale
J. T. Howell
1942-4-26
16953
Contra Costa
Redwood Cyn, Oakland Hills
Comment
UC1618369
Galium murale
Barbara Ertter, Chris Thayer
1993-5-7
11715
Contra Costa
1/2 mi n of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land e of Tilden Park (s of Wildcat Canyon Road); East Bay Municipal Utilities District land
Comment
UC2028273
Galium murale
Barbara Ertter
1999-6-12
16703
Contra Costa
Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo.
Comment
UC691533
Galium porrigens
Mary L. Bowerman
1935-5-16
2982
Contra Costa
flat at end of road Mount Diablo, Russelman Park
381
Comment
JEPS52754
Galium porrigens var. porrigens
Lauramay T. Dempster
1963-5-30
3805
Contra Costa
15 El Toyonal Orinda
Comment
JEPS6608
Galium porrigens var. porrigens
Mary L. Bowerman
1930-6-22
370
Contra Costa
Deer Flat Mount Diablo
Comment
JEPS99945
Galium porrigens var. porrigens
G. Smick
2003-2-20
GAS 51
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
CAS-BOT-BC200632
Garrya elliptica
H. E. McMinn
1925-3-30
1403
Contra Costa
Near summit Thornhill Rd and Skyline Blvd.
Comment
CAS-BOT-BC200633
Garrya elliptica
H. E. McMinn
1925-1-1
s.n.
Contra Costa
Head of San Leandro Creek
Comment
CAS-BOT-BC282607
Gastridium phleoides
Virginia E. Long
1933-6-14
224 a
Contra Costa
Curry Cave Trail, Mt. Diablo
457
Comment
CAS-BOT-BC282611
Gastridium phleoides
Mary L. Bowerman
1935-7-22
3191
Contra Costa
Hidden Pond, Mount Diablo
Comment
CDA9420
Gastridium ventricosum
D. G. Kelch
2004-5-3
4 .152
Contra Costa
Carquinez Strait; Mt Wanda, Martinez.
0
Comment
UC585537
Gastridium ventricosum
Virginia E. Long
1933-6-14
224 a
Contra Costa
ridge entering W Fork of Curry Cave trail canyon Mt. Diablo; , ridge entering W Fork of Curry Cave trail canyon
Comment
HSC8643
Geranium carolinianum
Greg Bos
1963-3-9
31
Contra Costa
Point Isabel, Richmond
3
Comment
CDA4659
Geranium dissectum
D. G. Kelch, A. G. Murdock
2003-3-28
3 .089
Contra Costa
Carquinez Strait Region; Rodeo - Lone Tree Point.
Comment
UC571135
Geranium dissectum
A. E. Borell
1928-3-31
78
Contra Costa
Richmond
Comment
UCD103337
Geranium dissectum
Morris Halperin
1929-4-21
s.n.
Contra Costa
Moraga Valley.
Comment
UC1861827
Geranium molle
Barbara Ertter, Chris Thayer
1995-4-25
13985
Contra Costa
Southeast side of Mt. Diablo northeast of Danville; on Sycamore Creek near junction of path from Knobcone Point Rd.
396
Comment
UC2032837
Geranium molle
Doran, Andrew Scott
2012-3-20
707
Contra Costa
Second highest point on Brooks Island, rocky outcrop overlooking man-made spit.
Comment
UC2027819
Geranium molle
Barbara Ertter with Holly Forbes
1997-4-20
15547
Contra Costa
North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead.
Comment
UC2029017
Geranium robertianum
Barbara Ertter
1999-7-17
16768
Contra Costa
Tilden Regional Park, trail to Jewel Lake paralleling Wildcat Creek, through thick woodland growth.
Comment
SBBG122899
Geranium rotundifolium
B. Ertter
1996-6-4
14684
Contra Costa
NE of jct of Grizzly Peak Blvd and Golf Course Drive, Tilden Regional Park
Comment
UC1795111
Geranium rotundifolium
Barbara Ertter
1996-6-4
14684
Contra Costa
Tilden Regional Park in hills E of Berkeley, restoration site NE of junction of Grizzly Peak Boulevard and Golf Course Drive
Comment
JEPS75513
Gilia achilleifolia subsp. achilleifolia
P. F. Yorks
1974-4-28
141
Contra Costa
on Hampton Road ca 1.9 km s Bear Creek Road (n of Briones Reservoir, Hampton Road Natural Reserve); Hampton Road Natural Reserve, n of Briones Reservoir
200
Comment
UC691599
Gilia achilleifolia subsp. achilleifolia
Mary L. Bowerman
1935-5-8
2970
Contra Costa
Muir Area, Mount Diablo Mount Diablo, Muir Area
Comment
JEPS69435
Gilia achilleifolia subsp. multicaulis
Mary L. Bowerman
1935-4-17
2839
Contra Costa
West Road 2 mi from entrance Mount Diablo; , West Road
Comment
RSA470088
Gilia achilleifolia subsp. multicaulis
L. S. Rose
1941-5-15
41231
Contra Costa
Mt. Diablo, w. slope.
396
Comment
RSA67700
Gilia achilleifolia subsp. multicaulis
Verne Grant, Alva Grant
1952-5-7
9137
Contra Costa
Pioneer Camp, s.w. of Meridian Peak, Mt. Diablo
Comment
RSA722061
Gilia achilleifolia subsp. multicaulis
Barbara Ertter, Tony Morosco, Lynne Hosley
1995-5-29
14226
Contra Costa
Mt. Diablo southeast of Walnut Creek, serpentine knoll ca 1/2 airmile north of Curry Point
488
Comment
UC691646
Gilia capitata subsp. capitata
Mary L. Bowerman
1933-6-7
2253
Contra Costa
just e of saddle between Meridian and North Peaks; Mount Diablo, just e of saddle btw Meridian and North Peaks
Comment
UC2062648
Gilia capitata subsp. staminea
Barbara Ertter with Dan Norris
2001-4-8
17596
Contra Costa
Lime Ridge Open Space east of Walnut Creek.
Comment
POM223334
Gilia clivorum
L. S. Rose
1935-5-16
351 75
Contra Costa
Mt. Diablo.
Comment
UC691608
Gilia clivorum
Mary L. Bowerman
1935-5-1
2932
Contra Costa
West Road 2 mi from entrance (( = North Road), Mount Diablo); Mount Diablo, West Road (=North Road)
182
Comment
UC691652
Gilia clivorum
Mary L. Bowerman
1935-4-19
2857
Contra Costa
West Road 3.5 mi from entrance (( = North Road), Mount Diablo); Mount Diablo, West Road (=North Road)
365
Comment
UCR182844
Gilia clivorum
Peter L. Morrell, N. Takebayashi, Diana Wolf, D. E. Krause
1995-5-21
471
Contra Costa
Central Coast, S of Clayton in Mitchell Canyon, above the banks of Mitchell Creek and beneath Eagle Peak
400
Comment
UC2028156
Gilia clivorum
Barbara Ertter
1998-4-4
15955
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo.
Comment
UCR124270
Gilia multicaulis
L. S. Rose
1935-5-16
35175
Contra Costa
Mt. Diablo
Comment
UC691597
Gilia tricolor subsp. tricolor
Mary L. Bowerman
1935-4-19
2864
Contra Costa
West Road = North Road 6.3 mi from entrance Mount Diablo (Mount Diablo, above Pepperwood Spring); Mount Diablo, above Pepperwood Spring
609
Comment
UC908576
Gilia tricolor subsp. tricolor
Herbert L. Mason
1929-3-29
5118
Contra Costa
Mount Diablo
762
Comment
CAS-BOT-BC266489
Githopsis diffusa
Alice Eastwood
1915-5-30
s.n.
Contra Costa
Mount Diablo
Comment
UCD84951
Glyceria leptostachya
Chuck Hughes
2010-3-29
223
Contra Costa
About 0.4 mile southeast of Vasco Road.
123
Comment
CDA35615
Gnaphalium californicum
I. Godwyn
2011-5-12
PDR# 1649778
Contra Costa
Richmond; Wildcat Canyon Regional Park, near McBryde Ave.
0
Comment
UC1618414
Gnaphalium palustre
Barbara Ertter, Brad Olson
1991-9-28
10835
Contra Costa
between Orinda and El Sobrante (at s end of San Pablo Reservoir); San Pablo Reservoir
91
Comment
UCR247431
Gnaphalium stramineum
Dean Kelch, Abigail Moore
2009-5-30
09 .317
Contra Costa
Carquinez Strait, west of 5th St Prairie, Crockett
75
Comment
CDA6050
Grindelia X paludosa
D. G. Kelch, A. G. Murdock
2003-8-13
3 .103
Contra Costa
Carquinez Strait Region; Martinez Marsh.
Comment
LA203655
Grindelia camporum
Lewis S. Rose;
1930-7-22
sn
Contra Costa
Antioch Bridge
Comment
RSA97489
Grindelia camporum
L. S. Rose
1954-9-27
54116
Contra Costa
Byron.
6
Comment
CDA6078
Grindelia camporum var. camporum
A. G. Murdock, D. G. Kelch
2004-5-28
284
Contra Costa
Carquinez Strait; Pinole Peak.
0
Comment
SEINET10925203
Grindelia camporum var. parviflora
John Thomas Howell
1930-9-28
Howell 5496
Contra Costa
Liberty School on Marsh Creek Road, Contra Costa Co.
Comment
CAS-BOT-BC305244
Grindelia hirsutula
Walter Knight; I. Knight; E. McClintock; J. T. Howell; S. Rae; B. Doyle
1978-9-5
3210
Contra Costa
Browns Island. Botany Cove
Comment
JEPS19400
Grindelia hirsutula
G. Thomas Robbins
1937-4-17
135
Contra Costa
near Point Richmond
Comment
JEPS25015
Grindelia hirsutula
G. Thomas Robbins
1958-10-2
3941
Contra Costa
just w Carlson Blvd. (near Stege railroad siding, along Southern Pacific Railroad); Richmond
Comment
JEPS75516
Grindelia hirsutula
P. F. Yorks
1975-7-31
482
Contra Costa
2.5 km s Bear Creek Road (on Hampton Road, just n of Briones Reservoir); Hampton Road Natural Reserve
200
Comment
UC1118559
Grindelia hirsutula
H. S. Yates
1934-9-2
4079
Contra Costa
Wildcat Creek Concord Quad., Wildcat Creek
304
Comment
UC1599357
Grindelia hirsutula
G. Thomas Robbins
1959-4-26
4003
Contra Costa
just n Richmond-San Rafael Bridge (above shore of San Francisco Bay, s of Castro Pt.); Richmond, Potrero Hills
Comment
CAS-BOT-BC305249
Grindelia hirsutula
R. F. Hoover
1966-8-31
9945
Contra Costa
1.5 mi. e. of Danville, at junction of Tassajara and Freitas Roads
Comment
UC796509
Guillenia flavescens
Reed C. Rollins
1946-3-25
3046
Contra Costa
w slope Mount Diablo
Comment
POM273845
Guillenia lasiophylla
Lyman Benson
1935-3-16
6284
Contra Costa
3 miles S of Antioch. Mt. Range: Mt. Diablo; Watershed: Sacramento River.
152
Comment
RSA44375
Guillenia lasiophylla
L. S. Rose
1949-3-24
49010
Contra Costa
1 mile W of Byron.
30
Comment
CAS-BOT-BC304578
Gutierrezia californica
Peter Rubtzoff
1954-9-14
1750
Contra Costa
Along lower San Joaquin River, east of Antioch
Comment
RSA201182
Gutierrezia californica
Peter Rubtzoff
1954-9-14
1750
Contra Costa
Sand dunes along lower San Joaquin River, east of Antioch.
Comment
CAS-BOT-BC304581
Gutierrezia californica
Mary L. Bowerman
1938-11-12
3729
Contra Costa
Mount Diablo. Lime Ridge toward crest of hilllside north of break
152
Comment
POM51392
Gutierrezia californica
L. R. Abrams
1917-9-13
6728
Contra Costa
Patterson Pass.
Comment
UC1005829
Hakea oleifolia
N. Floy Bracelin
1946-1-20
2864
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
CAS-BOT-BC306373
Helenium bigelovii
Walter Knight; Joanne Dean
1978-8-14
3181
Contra Costa
Browns Island
Comment
UC552471
Helenium bigelovii
C. L. Swenson
1936-7-9
Contra Costa
river sloughs near Antioch; San Joaquin River
Comment
CAS-BOT-BC306372
Helenium bigelovii
Walter Knight
1979-6-15
3391
Contra Costa
Browns Island. Crooked Slough
Comment
UC1192223
Helenium puberulum
Malcolm A. Nobs and S. Galen Smith
1949-7-8
949
Contra Costa
4 mi n of Kingston (Otto's Black Bass Resort); Otto's Black Bass Resort
Comment
CDA6433
Helenium puberulum
T. C. Fuller
1958-7-3
1270 -58
Contra Costa
Carquinez Strait; Highway 4, 4 miles west of Martinez.
0
Comment
CAS-BOT-BC305329
Helianthella castanea
L. R. Abrams
1921-5-25
8028
Contra Costa
At summit, Mt. Diablo
Comment
RSA8535
Helianthella castanea
J. T. Howell
1933-5-14
11282
Contra Costa
Hills east of St. Mary's college
Comment
UC57441
Helianthella castanea
H. M. Hall
1901-4-5
1733
Contra Costa
Mt. Diablo Region of San Francisco Bay, Mt. Diablo
Comment
UC691738
Helianthella castanea
Mary L. Bowerman
1930-6-10
301
Contra Costa
Summit Meridian Peak; Mount Diablo
Comment
UC761942
Helianthella castanea
R. F. Hoover
1939-4-13
4014
Contra Costa
head (west branch) Markeley Canyon
Comment
CAS-BOT-BC305324
Helianthella castanea
W. C. McCalla
1925-4-22
s.n.
Contra Costa
Leona Heights near Oakland
Comment
CAS-BOT-BC305330
Helianthella castanea
L. R. Abrams
1921-5-25
8062
Contra Costa
1/2 way up road to summit Mt. Diablo
Comment
UC2028219
Helianthella castanea
Barbara Ertter with Christopher Baysdorfer
1998-5-10
16127
Contra Costa
West side Lime Ridge Open Space northwest of Mount Diablo.
Comment
CDA31041
Helianthemum scoparium
D. G. Kelch, Troy McGregor; Ed Biffin
2010-6-1
10 .229
Contra Costa
Mt. Diablo. Knobcone Point Rd.
Comment
CAS-BOT-BC305593
Helianthus californicus
L. R. Abrams
1910-10-8
4341
Contra Costa
Mt. Diablo
609
Comment
UC1618418
Helianthus californicus
Barbara Ertter, Diane Lake, Brad Olson, Lynne Hosley, Amy Hiss
1991-8-18
10719
Contra Costa
west-most point opposite Pittsburg Marina (Browns Island n of Pittsburg near confluence of Sacramento and San Joaquin Rivers); Browns Island
Comment
UC1795840
Helianthus tuberosus
Barbara Ertter
1995-9-30
14526
Contra Costa
North bank of Cerrito Creek at end of Yosemite Avenue in El Cerrito, foot of Albany Hill; stonework bank at edge of overgrown sluggish creek.
Comment
UC407041
Heliotropium curassavicum
Ira L. Wiggins
1930-4-18
4606
Contra Costa
Jersey Isl.
Comment
CAS-BOT-BC306261
Hemizonia congesta subsp. lutescens
H. M. Hall
1914-8-23
9860
Contra Costa
San Pablo
9
Comment
CAS-BOT-BC306266
Hemizonia congesta subsp. lutescens
R. F. Hoover
1969-9-1
11568
Contra Costa
Between San Pablo and Pinole
Comment
CAS-BOT-BC306265
Hemizonia congesta subsp. lutescens
R. E. Frenkel
1963-8-18
260
Contra Costa
On Giant Road, 0.4 mile north of ATSF RR crossing, Richmond
15
Comment
JEPS99532
Hemizonia congesta subsp. luzulifolia
Mary L. Bowerman
1993-10-17
Contra Costa
Mount Diablo. Regency road.
Comment
UC1594202
Hemizonia congesta subsp. luzulifolia
Jerry Powell
1992-6-17
1649
Contra Costa
Richmond Field Station
Comment
UC697174
Hemizonia congesta subsp. luzulifolia
Mary L. Bowerman
1933-5-25
2197
Contra Costa
s-facing slope between forks of branch of Alamo Creek on s side main ridge; Mount Diablo, Oyster Ridge
Comment
CAS-BOT-BC314854
Hemizonia congesta subsp. luzulifolia
L. R. Abrams
1910-10-9
4358
Contra Costa
Between San Ramon and Dublin
Comment
CAS-BOT-BC314859
Hemizonia congesta subsp. luzulifolia
David D. Keck
1932-7-7
1740
Contra Costa
10 miles S. of Brentwood on Vasco Road to Livermore, southerastern Contra Costa County
Comment
CAS-BOT-BC314862
Hemizonia congesta subsp. luzulifolia
Mary L. Bowerman
1938-9-11
3713
Contra Costa
Curry Canyon where Sulphur Spring Canyon joins it, Mount Diablo
259
Comment
CAS-BOT-BC314863
Hemizonia congesta subsp. luzulifolia
Chas. M. Belshaw
1936-10-26
2722
Contra Costa
Near Walnut Creek, Coast Ranges
Comment
UC2029028
Hemizonia congesta subsp. luzulifolia
Barbara Ertter
2002-5-11
17833
Contra Costa
southwest base of Mount Diablo, lower Dan Cook Canyon, Summit Trail paralleling park boundary.
Comment
UC217362
Hemizonia congesta subsp. luzulifolia
H. M. Hall
1917-5-27
10314
Contra Costa
Fish Ranch San Francisco Bay Region, Berkeley Hills
Comment
UC990629
Hemizonia congesta subsp. luzulifolia
James I. McMurphy
1909-9-24
Contra Costa
San Ramon Road above Hayward (canyon)
Comment
RSA181368
Hemizonia fitchii
James I. McMurphy
1908-10-18
s.n.
Contra Costa
Antioch.
Comment
POM301046
Hemizonia fitchii
Mary L. Bowerman
1936-9-17
3548
Contra Costa
North Road 2.5 miles from North Gate.
244
Comment
POM360296
Hemizonia fitchii
E. E. Stanford
1930-9-20
2100
Contra Costa
Near Walnut Creek
Comment
SEINET2030221
Hemizonia fitchii
L. S. Rose
1941-10-13
1298
Contra Costa
1 mile east of Walnut Creek
50
Comment
POM30955
Hemizonia kelloggii
Katherine Brandegee
1907-5-5
19
Contra Costa
Near Antioch.
Comment
POM194887
Hemizonia lutescens
H. M. Hall
1914-8-23
9860
Contra Costa
San Pablo
9
Comment
RSA137096
Hemizonia luzulifolia
J. T. Howell
1955-8-24
30900
Contra Costa
Near Diablo County Club, south base of Mt. Diablo.
Comment
SEINET3386992
Hemizonia luzulifolia
Lewis S. Rose
1932-10-2
32652
Contra Costa
Walnut Creek, Dry low hills, Walnut Creek.
Comment
CDA7803
Hemizonia pungens subsp. pungens
T. C. Fuller
1961-7-6
7367
Contra Costa
East of road, south end of Antioch bridge, Antioch.
0
Comment
POM181072
Hemizonia pungens subsp. pungens
J. T. Howell
1930-9-28
5489
Contra Costa
2 miles from Concord on road to Walnut Creek.
Comment
SEINET3387071
Hemizonia virgata
Lewis S. Rose
1932-10-2
32654
Contra Costa
Marsh creek road.
Comment
CHSC21758
Heracleum lanatum
Carol Getzinger
1964-4-26
52
Contra Costa
Arlington Boulevard at Cutting Boulevard.
30
Comment
JEPS75522
Heracleum lanatum
P. F. Yorks
1974-5-19
160 A
Contra Costa
n. Briones Reservoir (ca. 1.7 km. s. of Bear Creek Rd. on Hampton Rd. in Hampton Road Natural Reserve); Hampton Road Natural Reserve
180
Comment
UC901874
Heracleum lanatum
L. Constance
1950-6-25
3326
Contra Costa
s. rim Wildcat Canyon (Tilden Park); , Tilden Park
365
Comment
RSA720838
Herniaria hirsuta subsp. cinerea
Barbara Ertter, Lisa Schultheis
1995-4-27
14013
Contra Costa
Lime ridge open space NW of Mt. Diablo in Walnut Creek; extension of Valley View road.
152
Comment
JEPS29512
Hesperevax caulescens
M. K. Curran
May 1886
Contra Costa
Antioch
Comment
JEPS116939
Hesperevax caulescens
David Gowen
2008-4-21
868
Contra Costa
South of Antioch, in Contra Loma Regional Park off Frederickson Lane. North, to northwest facing slope just NW of parking area for Black Diamond Mines Regional Preserve.
Comment
UC691822
Hesperevax sparsiflora var. sparsiflora
Mary L. Bowerman
1931-4-25
753
Contra Costa
2 mi by road from west entrance Mount Diablo
Comment
CDA8374
Hesperocnide tenella
D. G. Kelch, A. G. Murdock
2003-3-18
3 .334
Contra Costa
Carquinez Strait; Canada de Cierbo.
Comment Read comments Oct 13 2009
CAS-BOT-BC167426
Hesperolinon breweri
A. D. E. Elmer
1903-7-1
4545
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC167438
Hesperolinon breweri
Mrs. Ernest Meiere
1916-6-1
s.n.
Contra Costa
Mt. Diablo
Comment
RSA0031306
Hesperolinon breweri
Barbara Ertter
2000-5-14
17000
Contra Costa
Donner Canyon on north side of Mount Diablo.
335
Comment
RSA135385
Hesperolinon breweri
Volney Rattan
1886-06
s.n.
Contra Costa
Mount Diablo
Comment
UC1212211
Hesperolinon breweri
Helen K. Sharsmith
1947-6-2
3947
Contra Costa
0.6 mi from summit of Clayton-Tassajaro-Livermore road (at headwaters of creek); Mount Diablo, Marsh Creek
304
Comment
UC692694
Hesperolinon breweri
Mary L. Bowerman
1935-6-15
3137
Contra Costa
Eagle Point Ridge w 2632; Mount Diablo
762
Comment
JEPS122859
Hesperolinon californicum
Adam C. Schneider with C. Matt Guilliams
2014-5-29
444
Contra Costa
Alongside Blackhawk Ridge Trail, south of its divergence from Knobcone Pine Trail.
Comment
UC692665
Hesperolinon californicum
Mary L. Bowerman
1933-6-14
2279
Contra Costa
Inner Black Hills w 1970; Mount Diablo
Comment
UC187375
Hesperomecon linearis
C. F. Baker
1903-4-25
2802
Contra Costa
Antioch
Comment
UC725833
Hesperomecon linearis
A. A. Heller
1908-4-16
8890
Contra Costa
East of Antioch
22
Comment
CAS-BOT-BC310281
Heterotheca grandiflora
Walter Knight; Joanne Dean
1978-8-14
3113
Contra Costa
Browns Island
Comment
UC2027745
Heterotheca grandiflora
Barbara Ertter
1997-1-5
15435
Contra Costa
Ygnacio Valley Road crossing Lime Ridge on northwest side of Mount Diablo.
Comment
UC87407
Heterotheca sessiliflora subsp. echioides
Mrs. K. Brandegee
1883-7-1
Contra Costa
Antioch
Comment
CAS-BOT-BC26197
Heterotheca sessiliflora var. bolanderioides
J. C. Semple; B. Suripto; T. Ahmed
1990-8-16
9339
Contra Costa
Charles Tilden Reg. Park, Vollmer Peak
Comment
CAS-BOT-BC424185
Heuchera micrantha var. hartwegii
Paul F. Covel
1936-4-19
231
Contra Costa
Las Trampas Canyon
Comment
CAS-BOT-BC424186
Heuchera micrantha var. hartwegii
L. R. Abrams
1921-5-25
8056
Contra Costa
4 1.2 mi from summit Mt Diablo
Comment
UC1192275
Hibiscus lasiocarpos
Malcolm A. Nobs
1948-9-23
682
Contra Costa
7 mi. s. Kingston (Rock Slough); Rock Slough
Comment
JEPS100013
Hirschfeldia incana
G. Smick
2003-5-30
GAS 208
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
CAS-BOT-BC325840
Holocarpha heermannii
A. D. E. Elmer
1903-7-1
4613
Contra Costa
Mount Diablo
Comment
CDA7977
Holocarpha heermannii
D. G. Kelch, A. G. Murdock
2004-9-2
4 .329
Contra Costa
Carquinez Strait Region; McEwen Road from Port of Costa - I-4 near summit of road.
Comment
UC1332423
Holocarpha heermannii
P. B. Dickey
1932-9-14
164
Contra Costa
Walnut Creek
Comment
CAS-BOT-BC316050
Holocarpha heermannii
Lewis S. Rose
1933-10-22
33387
Contra Costa
Wildcat Canyon
Comment
CAS-BOT-BC325847
Holocarpha heermannii
Walter Knight; Harry Reeves
1979-8-25
3403
Contra Costa
Contra Loma Regonal Park near Antioch
22
Comment
CDA17961
Holocarpha heermannii
R. M. Case
1999-9-9
PDR 004913
Contra Costa
Marsh Creek Rd., 2 mi. E of Clayton.
0
Comment
RSA136762
Holocarpha heermannii
J. T. Howell
1955-8-24
30901
Contra Costa
Near Diablo County Club, south base of Mt. Diablo.
Comment
RSA692602
Holocarpha heermannii
Barbara Ertter
1990-9-10
9641
Contra Costa
Briones Regional Park, Briones Hills S of Martinez, abundant on open grassy slopes throughout park, forming large yellow patches.
Comment
SJSU7097
Holocarpha macradenia
D. J. Powers
1974-10-6
1001 A
Contra Costa
100-300' E of Interstate Hwy 80 & 100-300 yards S of Appian Way, Pinole
Comment
UC1428043
Holocarpha macradenia
David J. Powers
1974-10-6
1001
Contra Costa
100-300 ft e Hwy 80 (100-300 yd s Appian Way); Pinole
Comment
UC897734
Holocarpha obconica
Lewis S. Rose
1938-10-28
38309
Contra Costa
8 mi w Byron; Marsh Creek
60
Comment
CAS-BOT-BC320247
Holocarpha obconica
John Thomas Howell
1930-9-28
5500
Contra Costa
6.3 miles from Byron on Marsh Creek Road
Comment
CAS-BOT-BC320251
Holocarpha obconica
H. M. Hall
1930-9-24
12846
Contra Costa
Vasco Road at Junction 4 miles west of Byron
Comment
CAS-BOT-BC320256
Holocarpha obconica
David D. Keck
1933-10-27
2565
Contra Costa
Kellogg Creek, 11 mi. from U.S. 48 on Vasco Road
Comment
CAS-BOT-BC320327
Holocarpha virgata
David D. Keck
1933-10-27
2568
Contra Costa
1.6 mi. W. of Byron, 1.4 mi. from junction with Vasco Road
Comment
CAS-BOT-BC324617
Holocarpha virgata
R. F. Hoover
1965-9-24
9648
Contra Costa
Foothills west of Byron east of Kellogg Creek
Comment
UC1357613
Holocarpha virgata subsp. virgata
R. F. Hoover
1965-9-24
9648
Contra Costa
foothills w, e of Kellogg Creek Byron
Comment
OBI16043
Holocarpha virgata subsp. virgata
Robert F. Hoover
1969-8-29
11566
Contra Costa
Raymond rd and Ames St, Livermore Valley
Comment
POM299471
Holocarpha virgata subsp. virgata
L. S. Rose
1941-10-16
41467
Contra Costa
2 miles W of Byron.
33
Comment
RSA94065
Holocarpha virgata subsp. virgata
J. T. Howell
1930-9-28
5501
Contra Costa
5.4 miles from Byron on Marsh Creek Road.
Comment
RSA449754
Holodiscus discolor
Thekla Mohr
1917-07
3255
Contra Costa
Mount Diablo
Comment
UC1127988
Holodiscus discolor
R. C. Wilson
1935-3-19
141
Contra Costa
1 mi se of Wall Point (Quadrangle Mount Diablo); Quadrangle Mount Diablo
426
Comment
UC691112
Holodiscus discolor
Mary L. Bowerman
1930-6-26
376 b
Contra Costa
Clayton-Livermore Road s of Riggs Canyon Road (Mount Diablo); , Clayton-Livermore Road
Comment
JEPS100015
Hordeum brachyantherum
S. O'Neil
2003-5-8
SEO 34
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
RSA0016873
Hordeum brachyantherum
H. de Forest
1930-5-7
s.n.
Contra Costa
Road near Morage.
Comment
POM181460
Hordeum depressum
I. L. Wiggins
1900-4-7
4569
Contra Costa
2 mi. east of Mountain House on road to Byron.
Comment
UCD85625
Hordeum depressum
P. B. Kennedy
1929-4-24
s.n.
Contra Costa
Corner of Franklin Canyon Road near Concord, near Soldiers Monument.
Comment
UC55038
Hordeum marinum subsp. gussoneanum
Jos. Burtt Davy
1900-6-7
6657
Contra Costa
near Pacheco
Comment
UC1950125
Hordeum marinum subsp. gussoneanum
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8121
Contra Costa
alkali sink W and adjacent to Clifton Court Forebay, ca 15 airmiles SW of Stockton
Comment
POM205088
Hordeum murinum subsp. glaucum
Jos Burtt Davy
1898-05
1730
Contra Costa
Danville
Comment
UCD86141
Hordeum murinum subsp. glaucum
Beecher Crampton
1956-5-14
3375
Contra Costa
5 miles south of Antioch. At head of Horse Valley.
Comment Read comments Aug 17 2011
CDA29160
Hordeum murinum subsp. leporinum
D. G. Kelch
2006-5-7
6 .145
Contra Costa
Carquinez Strait.; Crockett. Upper Edward s Canyon.
Comment
UC606740
Hordeum murinum subsp. leporinum
Edward Lee
1936-4-19
1962
Contra Costa
ne corner island (Red Rock, San Francisco Bay); San Francisco Bay, Red Rock, ne corner island
Comment
UC691094
Horkelia californica subsp. dissita
Mary L. Bowerman
1932-11-25
1666
Contra Costa
Mount Diablo, Silver Spring
Comment
UCD106066
Hosackia crassifolia
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
Between Diablo and Summit.
Comment
JEPS96251
Hydrocotyle verticillata
Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson
1991-10-20
10863
Contra Costa
just w. Antioch marina (along levee at water's edge, accessed from marina, Dow Wetlands Preserve); Dow Wetlands Preserve
Comment
CAS-BOT-BC401301
Hypericum scouleri
L. R. Abrams
1910-10-8
4347
Contra Costa
Mt Diablo
914
Comment
JEPS100182
Hypochaeris glabra
G. Smick
2003-3-27
GAS 100
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC691452
Hypochaeris glabra
Mary L. Bowerman
1931-4-11
691
Contra Costa
Pine Canyon
121
Comment
CDA7492
Hypochaeris radicata
Goodwin, M. K. Bellue
1932-5-6
Contra Costa
0
Comment
UC1304178
Iris douglasiana
Leo Brewer
1965-5-4
Contra Costa
ridge w Siesta Valley (w-facing side of ridge, exposed to fog from Golden Gate, on county line between Contra Costa and Alameda counties)
441
Comment
UC2028408
Iris pseudacorus
Barbara Ertter with Richard K. Brummitt
1998-5-16
16096
Contra Costa
Antioch Marina, edge of brackish marsh
Comment
UC2070455
Iris pseudacorus
Barbara Ertter with Dorothy Frantz
2001-5-10
17639
Contra Costa
Diablo Foothill Regional Park, Pine Creek just south of Castle Rock Recreation Area.
Comment
CAS-BOT-BC324752
Iva axillaris
Evelina Cannon
1896-5-22
s.n.
Contra Costa
Giant Station
Comment
CAS-BOT-BC324753
Iva axillaris
Morris Halperin
1930-5-20
s.n.
Contra Costa
Hoffman Ranch, Brentwood
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
JEPS68931
Iva axillaris subsp. robustior
Edward Lee
1934-9-30
1227
Contra Costa
Moraga; railroad track site just se
Comment
JEPS111674
Jaumea carnosa
D. G. Kelch
2003-8-13
03 .99
Contra Costa
Martinez Marsh
0
Comment
UC613042
Jaumea carnosa
C. W. Sharsmith
1933-9-15
476
Contra Costa
saline marshlands near Carquinez Straits; San Pablo Bay
Comment
CAS-BOT-BC101879
Juglans californica
J. W. Congdon
1894-10-16
s.n.
Contra Costa
Ft. Mt. Diablo
Comment
JEPS46455
Juglans californica var. hindsii
W. L. Jepson
1908-8-16
3087
Contra Costa
Walnut Creek
Comment
JEPS58697
Juglans californica var. hindsii
W. L. Jepson
1909-4-30
3114
Contra Costa
in the sharp gulch upper Walnut Creek, Burton Ranch
Comment
CAS-BOT-BC102304
Juglans hindsii
Lewis S. Rose
1936-4-24
36140
Contra Costa
Marsh Creek, 5 mi. E. of Clayton
60
Comment
UCD110262
Juglans hindsii
Rimo Bacigalupi
1951-4-3
3253
Contra Costa
Along Trampas Creek, 1 1/4 mi. n.e. of St. Mary's College.
167
Comment
JEPS127666
Juncus ambiguus
Barbara Ertter with David Gowen and Michael Park
2017-5-2
22810
Contra Costa
West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road.
Comment
RSA0027709
Juncus articulatus
Barbara Ertter
1996-9-19
15300
Contra Costa
Antioch Marina, edge of bay in Dow Marsh lands.
Comment
JEPS99492
Juncus bufonius var. bufonius
Mary Bowerman
1995-6-4
Contra Costa
Mount Diablo, North Gate Rd.
Comment
JEPS67091
Juncus bufonius var. occidentalis
J. Burtt Davy
1895-4-7
948
Contra Costa
Antioch
Comment
CDA39196
Juncus effusus var. pacificus
H. R. Van Brocklin
1962-5-21
s.n.
Contra Costa
H. Van Brocklin prop., 1895 Almond Ave., Walnut Creek.
0
Comment
JEPS113079
Juncus gerardi
Barbara Ertter, Steve Matson
2003-5-31
18175
Contra Costa
Martinez Regional Shoreline, brackish marsh along Pickleweed Trail west of Arch Bridge,
Comment
UC1601775
Juncus occidentalis
Jos. Burtt Davy
1897-4-17
Contra Costa
Point Isabel
Comment
RSA722106
Juncus occidentalis
Barbara Ertter, Gary Schoolcraft, Tony Morosco
1996-4-6
14566
Contra Costa
West end Oyster Point road in Mt. Diablo State Park.
Comment
UC1795655
Juncus occidentalis
Barbara Ertter, Gary Schoolcraft, Tony Morosco
1996-4-6
14566
Contra Costa
West end Oyster Point Rd in Mt Diablo State Park, moist meadow just east of junction.
Comment
UC2028532
Juncus occidentalis
Barbara Ertter
1998-5-3
16035
Contra Costa
Above SW of fork of Pine Creek at southwest base of Mount Diablo.
Comment
UCD141649
Juncus occidentalis
M. Wiesendanger
1926-5-1
1468
Contra Costa
near Richmond.
Comment
UC691938
Juncus patens
Mary L. Bowerman
1932-11-26
1674
Contra Costa
between Corral Spring and Boulevard Spring; Mount Diablo, Patens Springs
Comment
UCD35162
Juncus patens
Beecher Crampton
1950-7-29
626
Contra Costa
1 mile north of Richmond.
Comment
SEINET6174583
Juncus phaeocephalus
L. Koch
1940-6-5
1004 b
Contra Costa
Two milees south of San Rafael Ferry Dock
Comment
JEPS112448
Juncus phaeocephalus var. paniculatus
A. G. Murdock
2004-5-28
276
Contra Costa
Refugio Valley
120
Comment
UC2046369
Juncus usitatus
Barbara Ertter
2015-10-9
22456
Contra Costa
N end of walkway on east edge of Dow Marsh west of Antioch marina on San Joaquin River Delta.
Comment
UC521770
Juncus xiphioides
Joseph Andorfer Ewan
1933-10-15
8019
Contra Costa
sw slope Mt. Diablo
Comment
UC691982
Juncus xiphioides
Mary L. Bowerman
1932-8-27
1523
Contra Costa
s of Turtle Rock; Mount Diablo
Comment
UC2670
Juncus xiphioides
W. H. Brewer
1861-9-25
838
Contra Costa
halfway up Monte Diablo from Mission San Jose; Mount Diablo
Comment Read comments Jan 15 2012
SEINET191616
Juniperus californica
L. S. Rose
1941-3-22
41052
Contra Costa
Mt Diablo
914
Comment
UC78
Juniperus californica
Edw. L. Greene
1892-6-20
Contra Costa
Mt. Diablo
Comment
UC81
Juniperus californica
A. Kellogg
78
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC235874
Keckiella corymbosa
Lewis S. Rose
1932-6-24
32353
Contra Costa
Mt. Diablo
1173
Comment
JEPS70570
Koeleria macrantha
W. L. Jepson
1918-6-5
7601
Contra Costa
Donner Canyon Mt. Diablo; vicinity of San Francisco Bay, Mt. Diablo
533
Comment
UC691220
Koeleria macrantha
Mary L. Bowerman
1934-6-9
2549
Contra Costa
Fossil Ridge s of 1700 foot point Mount Diablo (Mount Diablo); , Fossil Ridge
Comment
UCD85733
Koeleria macrantha
Beecher Crampton
1956-5-14
3394
Contra Costa
3.7 miles southeast of Clayton, on Marsh Creek Road.
Comment
CAS-BOT-BC499188
Kopsiopsis strobilacea
W. W. Carruth
no date on label
s.n.
Contra Costa
Moraga Valley
Comment
JEPS99525
Lactuca saligna
Mary L. Bowerman
1975-9-14
Contra Costa
Mount Diablo. By hillside near Chase Pond.
Comment
CAS-BOT-BC340538
Lactuca serriola
Walter Knight; Joanne Dean
1978-8-14
3165
Contra Costa
Browns Island
Comment
UC710613
Lactuca virosa
John Thomas Howell
1943-8-22
19310
Contra Costa
San Leandro Creek Canyon
243
Comment
CAS-BOT-BC340699
Lactuca virosa
John Thomas Howell
1943-8-22
19310
Contra Costa
Near head of San Leandro Creek Canyon
243
Comment
CAS-BOT-BC341473
Lagophylla ramosissima
James I. McMurphy
1909-5-21
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC337978
Lasthenia californica
Volney Rattan
1879-1-1
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC337981
Lasthenia californica
H. M. Hall
1901-4-5
1749
Contra Costa
San Francisco Bay. Mt Diablo
Comment
UC1795667
Lasthenia californica
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14060
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, small serpentine patch at road junction
Comment
JEPS124445
Lasthenia californica subsp. californica
Daniel Slakey with Randy Morgan
2015-4-3
90
Contra Costa
Southwest corner at the intersection/curve of Raymond Rd. and Ames St.
Comment
JEPS6970
Lasthenia californica subsp. californica
Peter Kamb
1950-3-18
1635
Contra Costa
saddle between North Peak and South Peak; Mount Diablo
883
Comment
UC1614099
Lasthenia californica subsp. californica
Charles M. Belshaw
1935-6-24
782
Contra Costa
0.5 mi. e. Grizzly Peak (n. face Bald Peak); Bald Peak
Comment
UC1614101
Lasthenia californica subsp. californica
Charles M. Belshaw
1935-6-24
783
Contra Costa
0.5 mi. e. Grizzly Peak (n.-face Bald Peak); Bald peak
Comment
UC33073
Lasthenia conjugens
Edw. L. Greene
1887-4-17
Contra Costa
Antioch
Comment
UC1314951
Lasthenia fremontii
R. F. Hoover
1967-4-28
10512
Contra Costa
Byron Hot Springs
Comment
UCD133741
Lasthenia fremontii
Ira L. Wiggins
1930-4-17
4579
Contra Costa
1/4 mile south of Byron.
Comment
CAS-BOT-BC352927
Lasthenia glaberrima
A. D. E. Elmer
1903-5-1
4321
Contra Costa
Walnut Creek
Comment
JEPS116855
Lasthenia glaberrima
David Gowen
2007-4-16
675
Contra Costa
Briones Regional Park in the northern Maricich Lagoon.
Comment
CAS-BOT-BC352772
Lasthenia glabrata subsp. glabrata
Brandegee
No date on label
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC352773
Lasthenia glabrata subsp. glabrata
Mary L. Bowerman
1933-4-15
1865
Contra Costa
Canyon S of Arroyo del Cerro, 1400 feet? below spring
Comment
UC1301065
Lasthenia gracilis
Helen K. Sharsmith
1963-4-7
5290
Contra Costa
e side Kirker Pass Road (w of Antioch); San Francisco Bay Region
152
Comment
UC30445
Lasthenia gracilis
Harley P. Chandler
1901-4-5
995
Contra Costa
Mt. Diablo
Comment
UC1543176
Lasthenia minor
Donald G. Nelson
1937-3-30
470
Contra Costa
s of Byron (railroad tracks, paralleling the highway, on road to Tracy)
Comment
CAS-BOT-BC370829
Lasthenia platycarpha
Alice Eastwood
1914-3-14
3823
Contra Costa
Byron Springs
Comment
JEPS107088
Lathyrus latifolius
Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert
1996-5-16
14671
Contra Costa
Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay, northwest corner of area.
Comment
CDA23105
Lathyrus vestitus
D. G. Kelch, D. A. Weinstein
2008-4-25
8 .085
Contra Costa
Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland.
Comment Read comments Jan 7 2016
UC15364
Lathyrus vestitus
Ivar Tidestrom
1893-4-15
Contra Costa
Sheep Island
Comment
JEPS55376
Lathyrus vestitus var. vestitus
W. L. Jepson
1925-4-26
10692
Contra Costa
Black Hills Mt. Diablo
Comment
UC692312
Lathyrus vestitus var. vestitus
Mary L. Bowerman
1933-6-3
2239
Contra Costa
Ransom Point ridge Mount Diablo
Comment
UC2061511
Laurus nobilis
Dean G. Kelch
2016-4-30
16 .102
Contra Costa
Carquinez Strait: Selby, west of Crockett. On west side of canyon near old dwelling foundation.
Comment
RSA720810
Lavatera assurgentiflora
Barbara Ertter
1994-6-6
12822
Contra Costa
Point Isabel in south Richmond
Comment
SEINET7085230
Lavatera olbia
Steven R. Hill
2010-7-19
38531
Contra Costa
Residence of Kristin Yanker-Hansen, 569 Contada Circle, Danville [94526]. Coordinate Datum: WGS84/NAD83.
122
Comment
UC89156
Layia chrysanthemoides
C. F. Baker
1903-4-27
2903
Contra Costa
Byron
Comment
RSA517747
Layia chrysanthemoides
Donald G. Nelson
1937-3-30
475
Contra Costa
Railroad tracks paralleling the highway south of Byron on road to Tracy
Comment
UC697168
Layia gaillardioides
Mary L. Bowerman
1935-4-17
2847
Contra Costa
west road, = North Rd., 2 mi from entrance Mount Diablo
335
Comment
UC912575
Layia glandulosa
Herbert L. Mason
1929-3-31
5155
Contra Costa
at Antioch (along Sacramento River); along Sacramento River
Comment
POM361662
Layia glandulosa
H. de Forest
1930-4-6
s.n.
Contra Costa
SE of Mortoville, Small 'coal mine' ravine.
Comment
UCD133904
Layia glandulosa
Annetta M. Carter
1933-4-23
300
Contra Costa
above the San Joaquin River, between Antioch Bridge and Antioch.
Comment
RSA394722
Layia glandulosa subsp. glandulosa
Annetta Carter
1933-4-23
300
Contra Costa
Above the San Joaquin River, between Antioch Bridge and Antioch.
Comment
UC1606413
Layia hieracioides
Barbara Ertter, Chris Thayer
1993-5-7
11710
Contra Costa
ca 1/2 mi n Volmer (=Bald) Peak (in East Bay Municipal Utilities District land e of Tilden Park, just below ridge on ne-facing slope)
457
Comment
CAS-BOT-BC370664
Layia platyglossa
Alice Eastwood
1921-4-18
10279
Contra Costa
Antioch
Comment
SEINET3147924
Layia platyglossa
L. S. Rose
1933-4-17
33093
Contra Costa
Antioch
Comment
UC30670
Layia platyglossa
Edw. L. Greene
1892-6-20
Contra Costa
Mount Diablo
Comment
UC691490
Layia platyglossa
Mary L. Bowerman
1931-5-7
811
Contra Costa
grassy area near saddle on side North Peak; Mount Diablo, Meridian-North Peak saddle
Comment
CAS-BOT-BC377905
Layia platyglossa
Paul F. Covel
1938-5-8
s.n.
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC88702
Lepidium acutidens
Alice Eastwood
1914-3-14
3771
Contra Costa
Byron Springs.
Comment
CDA43401
Lepidium acutidens
Michael Pitcairn & Dean Kelch
2015-3-6
s.n.
Contra Costa
South end of the Byron Airport.
Comment
CAS-BOT-BC88680
Lepidium acutidens
Lewis S. Rose
1956-3-19
56003
Contra Costa
2 miles southeast of Byron.
7
Comment
CAS-BOT-BC88706
Lepidium acutidens
Lewis S. Rose
1933-3-29
33041
Contra Costa
Nortonville.
Comment
CDA37473
Lepidium campestre
V. Guise
2012-5-1
PDR# 1649640
Contra Costa
Near Old School Road, Tassajara; east of Danville.
0
Comment
UCD144312
Lepidium chalepense
G. F. Hrusa; D. Crowe
1998-5-8
14374
Contra Costa
Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River.
2
Comment
CHSC67911
Lepidium dictyotum var. acutidens
James D. Jokerst
1989-3-29
3069
Contra Costa
0.25 mi S of Byron Hot Springs NE of Livermore.
Comment
RSA788058
Lepidium dictyotum var. acutidens
L. S. Rose
1949-3-24
49012
Contra Costa
4 mi south of Byren
8
Comment
CHSC69638
Lepidium dictyotum var. dictyotum
James D. Jokerst; Barbara Ertter, Dave Magney
1989-4-5
3081
Contra Costa
West and adjacent to Clifton Court Forebay, E of Bryon Hwy. and Italian Slough.
3
Comment
UC1606361
Lepidium latifolium
Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss
1991-8-18
10717
Contra Costa
n of Pittsburg (w-most point opposite Pittsburg marina, near confluence of Sacramento and San Joaquin rivers); Browns Island
Comment
CAS-BOT-BC89766
Lepidium latipes
Barrett Anderson
1987-4-29
3483
Contra Costa
Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD.
125
Comment
UC10641
Lepidium latipes
W. H. Brewer
1862-4-24
985
Contra Costa
Camp 68 Martinez
Comment
UC2070568
Lepidium latipes
Barbara Ertter with David Gowen, J. Ginochio, M. Park, S. Matson, A. Moore, S. D'Alcamo, J. Greenhouse, K. Kersh and J. Gawthrup
2005-5-8
18572
Contra Costa
Long Ridge on west flank of Mount Diablo, near springs and pond on Ginochio property near park boundary.
Comment
CAS-BOT-BC89891
Lepidium nitidum
Alice Eastwood
1914-3-14
s.n.
Contra Costa
Byron Springs.
Comment
CAS-BOT-BC89893
Lepidium nitidum
Alice Eastwood
1921-4-18
10259
Contra Costa
Antioch.
Comment
CAS-BOT-BC89897
Lepidium nitidum
Lewis S. Rose
1933-3-29
33045
Contra Costa
Pittsburg.
Comment
JEPS104705
Lepidium nitidum
John L. Morrison
1937-3-6
1969
Contra Costa
Bear Creek Canyon; Black Hills; San Pablo watershed area
Comment
SD131818
Lepidium nitidum
Barbara Ertter, Jokerst and Magney
1989-4-5
8123
Contra Costa
Alkali sink west and adjacent to Clifton Court Forebay, ca. 15 air miles southwest of Stockton
Comment
POM204090
Lepidium oxycarpum
L. S. Rose
1933-3-29
33041
Contra Costa
Nortonville.
Comment
UC2012993
Lepidium oxycarpum
Barbara Ertter with Dale Sanders, Dan Norris
1994-3-26
12337
Contra Costa
Peyton Hill east of I-680 east of Martinez, south of Waterfront Road, west foot of hill near edge of marsh.
Comment
UC10601
Lepidium strictum
F. T. Bioletti
1892-1
Contra Costa
Byron
Comment
UC2027727
Leptosiphon bicolor
Barbara Ertter with Brad Olson, Jim Shevock, et al.
1997-3-19
15507 a
Contra Costa
Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood.
Comment
UC2028986
Leptosiphon ciliatus
Barbara Ertter
2000-5-14
17009
Contra Costa
Donner Canyon on north side of Mount Diablo, SW end of Falls Trail between Middle Trail and Donner Creek crossing.
Comment
CHSC40750
Leptosiphon grandiflorus
J. G. Lemmon
1938-6-14
12094
Contra Costa
Mount Diablo.
Comment
RSA114063
Leptosiphon liniflorus
H. L. Mason
1952-4-14
14265
Contra Costa
3.5 miles S of Byron
Comment
UC2027920
Leptosiphon pygmaeus subsp. continentalis
Barbara Ertter, Dan Norris
2001-4-8
17582
Contra Costa
Lime Ridge Open Space east of Walnut Creek, high part of main ridge.
Comment
CAS-BOT-BC324113
Lessingia glandulifera var. glandulifera
James McMurphy
1908-10-18
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC324112
Lessingia glandulifera var. glandulifera
Walter Knight
1965-9-7
1171
Contra Costa
Antioch Sand Dunes
Comment
JEPS43213
Lewisia rediviva
W. L. Jepson
1907-4-26
2640
Contra Costa
Mt. Diablo
Comment
SEINET10925827
Leymus X multiflorus
Edward Lee
1935-8-13
Lee 1616
Contra Costa
With stolons. Open grassy roadside. Vaca Canyon.
Comment
CDA39657
Leymus X multiflorus
Slate
2013-5-22
PDR# 1641699
Contra Costa
Concord; Walnut Creek channel upstream of Willow Pass Rd.
0
Comment
UCD92459
Leymus X multiflorus
G. Thomas Robbins; John Weiler
1959-5-23
4026
Contra Costa
West side of Brooks Island, San Francisco Bay, Richmond.
Comment
SEINET3840826
Leymus triticoides
Unknown
2006-6-23
6 .321
Contra Costa
West Valona, West of the Zampa Bridge above San Pablo avenue, along a small stream draining north into the Western end of the Carquinez Strait
91
Comment
UCD65585
Leymus triticoides
R. Tofsrud
1947-6-12
176
Contra Costa
W of Byron about 4 miles in the 'Arroyo de la Canada.
Comment
CAS-BOT-BC272217
Leymus triticoides
Walter Knight
1965-9-7
1174
Contra Costa
Along San Joaquin River bank, Antioch dunes
Comment
JEPS100066
Ligustrum ovalifolium
G. Smick
2003-5-30
GAS 196
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC814388
Lilaea scilloides
Lewis S. Rose
1940-4-30
40257
Contra Costa
6 mi s Antioch
30
Comment
CAS-BOT-BC211109
Lilaeopsis masonii
Walter Knight; Irja Knight
1977-6-18
s.n.
Contra Costa
Antioch Sand Dunes, Little Corral site
Comment
UC1101455
Lilaeopsis masonii
Herbert L. Mason
April, 1954
Contra Costa
n. end Antioch Bridge
Comment
UC1818927
Lilaeopsis masonii
Barbara Ertter, Lincoln Constance
1995-6-16
14261
Contra Costa
East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area, mud on riprap.
Comment
UC692008
Lilium pardalinum
Mary L. Bowerman
1935-3-16
2741
Contra Costa
e fork Arroyo del Cerro (on canyon floor immediately above spring); Mount Diablo
289
Comment
OBI12566
Limnanthes douglasii subsp. rosea
Robert F. Hoover
1936-3-19
809
Contra Costa
Byron Hot Springs
Comment
CDA33337
Limnobium laevigatum
Robin Breckenridge
2010-10-1
PDR# 5059100
Contra Costa
North edge of Bradford Island.
0
Comment
JEPS20265
Limonium californicum
W. L. Jepson
1922-7-9
9730
Contra Costa
Richmond
Comment
CDA39643
Limonium sinuatum
D. G. Kelch
2011-10-23
11 .840B
Contra Costa
Carquinez Strait Region; Martinez Waterfront Park.
Comment
JEPS99519
Linanthus androsaceus
Mary Bowerman
1977-5-29
Contra Costa
Mount Diablo. Russellmann Park.
Comment
UC367216
Linanthus ciliatus
J. G. Lemmon
Contra Costa
Mount Diablo
Comment
UC691641
Linanthus ciliatus
Mary L. Bowerman
1935-5-22
3042
Contra Costa
Eagle Point ridge Mount Diablo (canyon at the n end which heads into saddle w of Twin Peaks)
304
Comment
UC106751
Linanthus liniflorus
E. L. Greene
Contra Costa
Byron Springs
Comment
UC615173
Linanthus liniflorus
Beryl O. Schreiber
1932-3-27
155
Contra Costa
Byron Hot Springs
Comment
CAS-BOT-BC430613
Lithophragma affine
Lewis S. Rose
1933-4-17
33099
Contra Costa
Walnut Creek
Comment
JEPS112264
Lithophragma affine
D. G. Kelch
2004-3-12
04 .024
Contra Costa
Pinole Valley; hillside and canyon above Wright Road. Off of Pinole Valley Road.
Comment
RSA0068477
Lithophragma affine
Katie Gallagher, Nick Jensen
2014-4-26
201
Contra Costa
Las Trampas Regional Wilderness.
487
Comment
SEINET6032167
Lithophragma affine
H. E. Hodge
1956-4-7
23
Contra Costa
2 miles north of Orinda
61
Comment
RSA8363
Lithophragma affine subsp. affine
L. S. Rose
1933-4-17
33099
Contra Costa
Walnut Creek.
Comment
UC692422
Lithophragma heterophyllum
Mary L. Bowerman
1933-4-9
1840
Contra Costa
Donner Canyon, W fork Mount Diablo (by trail)
274
Comment
UC2028077
Lithophragma heterophyllum
Barbara Ertter, Tony Morosco
1998-4-12
15997
Contra Costa
Base of Mount Olympia on north side of Mount Diablo, talus above quarry NE of Olympia Trail.
Comment
UC2028178
Lithophragma heterophyllum
Barbara Ertter
1998-5-3
16041 a
Contra Costa
Dusty Road at north end of Wall Point Ridge, southwest flank of Mount Diablo.
Comment
UC34597
Logfia filaginoides
J. P. Tracy
1900-3-24
618 A
Contra Costa
Point Richmond San Francisco Bay region, Point Richmond
15
Comment
UC912409
Logfia filaginoides
Herbert L. Mason
1928-4-29
4426
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC342346
Logfia gallica
H. L. Mason
1928-4-26
4386
Contra Costa
Berkeley-Oakland Hills
Comment
JEPS75535
Lolium multiflorum
P. F. Yorks
1976-5-31
508
Contra Costa
1.3 to 1.9 km s of Bear Creek Road on Hampton Road in Hampton Road Natural Reserve (n of Briones Reservoir); , n of Briones Reservoir
180
Comment
JEPS97558
Lolium multiflorum
R. D. Stone
1980-7-13
278
Contra Costa
'Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Rd)
Comment
JEPS99986
Lolium multiflorum
S. O'Neil
2003-3-11
SEO 17
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
CAS-BOT-BC283395
Lolium multiflorum
Mary L. Bowerman
1933-5-25
2199
Contra Costa
Mount Diablo. Alamo Canyon: E-facing slope above Wilson's barn
Comment
CAS-BOT-BC283396
Lolium multiflorum
R. E. Frenkel
1963-5-22
206
Contra Costa
On Morgan Territory Road, 0.2 mile S of summit
637
Comment
SEINET2074966
Lolium multiflorum
S. J. Gibbs
1970-3-27
Contra Costa
Oak View Terrace, 3 mi. N.E. of P.O.
121
Comment
SEINET2080859
Lolium multiflorum
D. Walter
1985-4-29
10183
Contra Costa
Dougherty Road 4 miles N of Old Ranch Road (N of Dublin, E of San Ramon).
121
Comment
POM301851
Lolium perenne subsp. multiflorum
Mary L. Bowerman
1938-5-25
3630
Contra Costa
Arroyo del Cerro, by North Road
110
Comment
UC691261
Lolium temulentum
Mary L. Bowerman
1932-4-27
1367
Contra Costa
Oyster Ridge, s face Mount Diablo (w-facing slope of ridge w of Riggs Canyon); , Oyster Ridge, s face
Comment
CAS-BOT-BC271056
Lolium temulentum
Mary L. Bowerman
1933-5-17
2096
Contra Costa
Branch of Curry Canyon due south of Olafsons barn, Mount Diablo
Comment
POM132574
Lomatium caruifolium
C. F. Baker
1908-4-27
2800
Contra Costa
[Unspecified]
Comment
UC659027
Lomatium caruifolium var. caruifolium
Mildred E. Mathias
1937-4-11
1163
Contra Costa
3 mi. s. Byron
Comment
UC659029
Lomatium caruifolium var. caruifolium
Mildred E. Mathias
1937-4-11
1164
Contra Costa
3 mi S of Byron (along highway)
Comment
JEPS100134
Lomatium utriculatum
G. Smick
2003-3-25
GAS 116
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS111595
Lomatium utriculatum
A. G. Murdock
2004-3-19
235
Contra Costa
McEwen Road
150
Comment
UC691422
Lomatium utriculatum
Mary L. Bowerman
1935-5-30
3096
Contra Costa
between the two ridges which converge at Twin Peaks (Eagle Point ridge) Mount Diablo
350
Comment
CAS-BOT-BC240419
Lonicera hispidula
Alice Eastwood
1915-6-21
4732
Contra Costa
San Leandro
Comment
UC2031434
Lonicera hispidula
Barbara Ertter
1991-6-1
10070
Contra Costa
Las Trampas Regional Wilderness in hills W of Danville
Comment
RSA455187
Lonicera hispidula var. vacillans
Thekla Mohr
1917-07
s.n.
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC240661
Lonicera interrupta
H. E. McMinn
1922-10-1
91 b
Contra Costa
Mitchelle Canon [Canyon], Mt. Diablo
Comment
CAS-BOT-BC241458
Lonicera involucrata var. ledebourii
Ira L. Wiggins
1930-4-18
4594
Contra Costa
Levee, east end of Jersey Island
Comment
JEPS12852
Lonicera subspicata var. denudata
W. L. Jepson
1920-9-6
9080
Contra Costa
Donner Canyon, on ridge towards high spring under saddle Mt. Diablo
Comment
UC691483
Lonicera subspicata var. denudata
Mary L. Bowerman
1932-10-16
1634
Contra Costa
ridge e Median Ridge; Mount Diablo, Donner Canyon basin
487
Comment
UC15548
Lotus crassifolius var. crassifolius
F. T. Bioletti
1894-5-13
Contra Costa
Mt. Diablo
Comment
UC692528
Lotus micranthus
Mary L. Bowerman
1938-6-2
3655
Contra Costa
Dan Cook Canyon Mount Diablo
487
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
JEPS55877
Lotus strigosus
Chesnut and Drew
1890-4-18
Contra Costa
Antioch
Comment
UC764469
Lotus strigosus
R. F. Hoover
1935-3-10
303
Contra Costa
Antioch
Comment
SEINET3560064
Lotus subpinnatus
Rimo Bacigalupi, L. R. Heckard
1965-5-11
9082
Contra Costa
Brooks Island
30
Comment
CDA9199
Lotus wrangelianus
D. G. Kelch, D. A. Weinstein
2008-4-15
8 .047
Contra Costa
Carquinez Strait; S Port Costa along Mckewen Rd.
Comment
UC555420
Lotus wrangelianus
H. L. Mason
1929-5-7
5263
Contra Costa
Moraga Ridge
Comment
UC692266
Lotus wrangelianus
Mary L. Bowerman
1932-4-27
1393
Contra Costa
canyon w of Riggs Canyon (s-face of Oyster Ridge); Mount Diablo, Oyster Ridge
335
Comment
RSA0026153
Ludwigia peploides subsp. montevidensis
Barbara Ertter, Lincoln Constance
1995-6-16
14263
Contra Costa
East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area.
Comment
JEPS111865
Lunaria annua
D. G. Kelch
2004-5-9
04 .214
Contra Costa
Crockett - Eckley Hills north of Bull Valley Staging Area
13
Comment
UC1613952
Lupinus albicaulis
Charles M. Belshaw
1935-6-24
1035
Contra Costa
Sobrante Hills
Comment Read comments Feb 6 2013
JEPS64909
Lupinus albifrons
W. L. Jepson
1931-4-5
15724
Contra Costa
Oakley part of Antioch sand-dune formation, Oakley
18
Comment
UC15783
Lupinus albifrons
unknown
1038
Contra Costa
Walnut Creek
Comment
UC400154
Lupinus albifrons
Ynes Mexia
1929-4-21
2378
Contra Costa
Moraga Valley
Comment
JEPS112355
Lupinus albifrons var. albifrons
Dean G. Kelch and Andrew G. Murdock
2004-3-12
04 .019
Contra Costa
Pinole Valley, County: Contra Costa; Hillside and canyon above Wright Road. Off of Pinole Valley Road. Contra Coasta County, CA.
Comment
CAS-BOT-BC201372
Lupinus albifrons var. albifrons
Paul F. Covel
1938-6-26
s.n.
Contra Costa
Las Trampas Canyon - behind St. Mary's
Comment
CAS-BOT-BC201373
Lupinus albifrons var. albifrons
Charles Piper Smith
1947-8-8
47709
Contra Costa
Crow Creek Canyon Road - San Ramon Summit
Comment
RSA29244
Lupinus albifrons var. albifrons
Joseph A. Ewan
1934-3-10
8645
Contra Costa
2 mi. below Orinda Road bridge, Wildcat Canyon.
Comment
UC1129460
Lupinus albifrons var. collinus
H. S. Yates
1934-9-2
4033
Contra Costa
2 mi nw Orinda; Concord Quad., nw of Orinda
304
Comment
UC201981
Lupinus arboreus
Miss Harriet A. Walker
1911-7-2
2511
Contra Costa
near Santa Fe Track Antioch (Antioch); , near Santa Fe Track
Comment
UC1999842
Lupinus arboreus
Charles M. Belshaw
1935-5-30
946
Contra Costa
Island route about 15 miles north of Antioch Bridge
Comment
JEPS112414
Lupinus bicolor
Dean G. Kelch and Andrew G. Murdock
2005-4-15
05 .146
Contra Costa
Rodeo Creek; county: Contra Costa; EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump).
Comment
UC1073382
Lupinus bicolor
George B. Rossbach
1955-3-20
324
Contra Costa
sw base Mt. Diablo; sw base Mt. Diablo
Comment
UC764122
Lupinus bicolor
R. F. Hoover
1938-5-4
3343
Contra Costa
peak e Tassajero Creek; peak e of Tassajero Creek
Comment
SEINET11268248
Lupinus bicolor
Barbara Ertter
1998-4-4
15944
Contra Costa
Northwest of Mount Diablo, SE of Indian Valley School.; 0
Comment
SEINET3134686
Lupinus bicolor
L. S. Rose
1942-4-23
42013
Contra Costa
Walnut Creek
Comment
UC2028034
Lupinus bicolor
Barbara Ertter
1998-4-4
15944
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo, SE of Indian Valley School.
Comment
UCD107322
Lupinus bicolor
L. S. Smith
1916-5-10
s.n.
Contra Costa
Grand View Terrace - m. Richmond.
Comment
UCD32372
Lupinus bicolor
Beecher Crampton
1950-4-1
498 c
Contra Costa
1 mile north of Richmond, near S.P. Railroad tracks.
15
Comment
SEINET10903824
Lupinus bicolor subsp. pipersmithii
Charles Piper Smith
1922-4-14
Smith 3482
Contra Costa
Antioch - santa fe - east sanddunes.
Comment
NY16041
Lupinus bicolor subsp. tridentatus
A. A. Heller
1928-4-15
14507
Contra Costa
Near Brentwood
Comment
SEINET10970226
Lupinus bicolor subsp. tridentatus
Charles Piper Smith
1922-4-15
Smith 3492
Contra Costa
Antioch - Southern Pacific Railroad Depot - 0.5 mi W.
Comment
CAS-BOT-BC187856
Lupinus chamissonis
John Thomas Howell
1932-9-17
10757
Contra Costa
Clay Flats, San Pablo Avenue, Richmond
Comment
POM181434
Lupinus densiflorus var. aureus
Ira L. Higgins
1930-4-17
4568
Contra Costa
Hillsides near Mountain House, Altamont Pass.
Comment
RSA0026155
Lupinus formosus var. formosus
Barbara Ertter, J. Travis Columbus
1990-6-10
9116
Contra Costa
NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill.; grassy hill SE of Alhambra Valley staging area.
152
Comment
UCR274616
Lupinus latifolius
Daisie Huang
2006-7-18
60718- 05
Contra Costa
Pinehurst Road above Moraga Road
156
Comment
UC1543065
Lupinus microcarpus var. densiflorus
Donald G. Nelson
1937-4-24
515
Contra Costa
Marsh Creek Road n Byron; Marsh Creek Road
Comment
UC692273
Lupinus microcarpus var. densiflorus
Mary L. Bowerman
1930-6-10
293
Contra Costa
near Mineral Spring Mount Diablo (Mount Diablo)
396
Comment
UCR197907
Lupinus microcarpus var. densiflorus
Beecher Crampton
1950-4-22
525
Contra Costa
Above site of Judsonville, west of old Empire mine
183
Comment
UC155195
Lupinus microcarpus var. microcarpus
Katharine Brandegee
1907-5-5
Contra Costa
Antioch
Comment
UC201021
Lupinus microcarpus var. microcarpus
Katharine Brandegee
June 1918
Contra Costa
Richmond Annex; El Dorado St.
Comment
UC201026
Lupinus microcarpus var. microcarpus
Katharine Brandegee
1918-6-16
Contra Costa
Richmond Annex
Comment
UC201030
Lupinus microcarpus var. microcarpus
Katharine Brandegee
July, 1918
Contra Costa
El Dorado St. Richmond Annex (Richmond Annex); , El Dorado St.
Comment
RSA0027702
Lupinus microcarpus var. microcarpus
Barbara Ertter, John Ginochio, Mary Bowerman
2001-5-8
17628
Contra Costa
Northwest flank of Mount Diablo, upper Galindo Creek southwest of Mount Zion.
Comment
RSA0033776
Lupinus nanus
Barbara Ertter, Richard K. Brummitt
1998-5-6
16093
Contra Costa
Lower Donner Canyon on north base of Mount Diablo, Hetherington Trail upstream from Donner Cabin.
Comment
UCD109081
Lupinus nanus
P. B. Kennedy
1916-5-11
31
Contra Costa
Grand View Terrace; Richmond District.
Comment
UC2028120
Lupinus nanus
Barbara Ertter with Richard K. Brummitt
1998-5-6
16089
Contra Costa
Lower Donner Canyon Road on north base of Mount Diablo, ca 1/2 miles south of Donner cabin site.
Comment
UCD109076
Lupinus nanus
P. B. Kennedy
Date Unknown
1311
Contra Costa
Grand View Terrace - Richmond District.
Comment
CHSC23154
Lupinus polycarpus
Robert A. Schlising
1962-4-7
2149
Contra Costa
Coastal Range. Roadside near Antioch Reservoir.
Comment
JEPS48958
Luzula macrantha
Elsa Kraeger
1926-3-7
Contra Costa
South slope Mount Diablo
Comment
UC2062431
Luzula macrantha
Barbara Ertter with David Gowen
2013-4-9
21309
Contra Costa
Mount Diablo State Park southeast of Walnut Creek, Sulfur Spring/Devils Slide Trail southeast of Curry Point.
Comment
CAS-BOT-BC441217
Luzula macrantha
H. L. Mason
1917-3-19
59
Contra Costa
Lake Temescal
Comment
CDA5756
Lycium chinense
T. C. Fuller
1964-11-6
12810
Contra Costa
Knightsen.
0
Comment
OBI78277
Lythrum californicum
D. G. Kelch
1996-10-17
s.n.
Contra Costa
CA Dept. Food & Ag CDA; Carquinez Strait: Pt. Edith Marsh
1
Comment
JEPS112515
Lythrum hyssopifolia
D. G. Kelch
2004-7-9
04 .302
Contra Costa
McEwen Road. McEwen marsh. North of Cummings Skyway
130
Comment
JEPS112520
Lythrum hyssopifolia
D. G. Kelch
2003-6-22
03 .90
Contra Costa
Rodeo - Lone Tree Point
2
Comment
UC2027961
Lythrum hyssopifolia
Barbara Ertter with Richard Rabeler, Tony Morosco
1997-6-10
15665
Contra Costa
Point Richmond, crest of road.
Comment
UC692635
Lythrum hyssopifolia
Mary L. Bowerman
1932-11-19
1662
Contra Costa
Mount Diablo, Stachys Spring, Mountain Springs Canyon, (below junction of pipes from numbers 3 and 4 club springs) Mountain Springs Canyon; Mount Diablo, Stachys Spring, Mountain Springs Canyon
Comment
UC697170
Madia elegans
Mary L. Bowerman
1936-9-10
3542
Contra Costa
Donner Canyon Mount Diablo (by streamlet)
335
Comment
UC2028991
Madia elegans
Barbara Ertter
2000-5-14
17001
Contra Costa
Donner Canyon on north side of Mount Diablo, serpentinitic sites in general area of junction of Donner Canyon, Cardinet Oaks, and Meridian Ridge roads, edged by Arctostaphylos glauca et al.
Comment
UC2029031
Madia elegans
Barbara Ertter
2002-8-24
18041
Contra Costa
lower Perkins Canyon on NE base of Mount Diablo.
Comment
CDA33835
Madia elegans subsp. vernalis
D. G. Kelch, Abigail Moore, Michael Park, Troy
2010-5-15
10 .103
Contra Costa
Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot.
0
Comment
JEPS111711
Madia exigua
D. G. Kelch
2004-5-9
04 .205
Contra Costa
Crockett - Edwards Canyon; Upper Edwards Canyon
160
Comment
CAS-BOT-BC344327
Madia exigua
John Thomas Howell
1931-5-12
6473
Contra Costa
Nortonville
Comment
UC2028296
Madia exigua
Barbara Ertter with Dan Norris
1998-6-18
16215
Contra Costa
Rock City area on south side of Mount Diablo, trail to Artist Point.
Comment
CHSC39487
Madia gracilis
Tyler Williams
1984-4-18
23
Contra Costa
Mt. Diablo. On South Park Rd., ca. 20 yd nw of Bridal Nook Picnic Area, on e side of road in Mount Diablo State Park.
533
Comment
POM267781
Madia gracilis subsp. gracilis
D. D. Keck
1941-6-5
5309
Contra Costa
Berkeley Hills, Fish Creek Road 1/4 mile W of E portal of Broadway Tunnel.
335
Comment
CAS-BOT-BC324488
Madia radiata
K. Brandegee
1908-4-9
50
Contra Costa
Near Antioch
Comment
JEPS111681
Madia sativa
D. G. Kelch
2003-8-13
03 .136
Contra Costa
Pinole Creek
68
Comment
JEPS75563
Madia sativa
P. F. Yorks
1974-5-19
167
Contra Costa
ca 1.0 km s Bear Creek Road (on Hampton Road in Hampton Road Natural Reserve)
180
Comment
UC2029067
Maianthemum stellatum
Barbara Ertter
2000-7-29
17437
Contra Costa
Donner Basin on north side of Mount Diablo, Middle Trail below Falls Trail junction, at crossing of W Fork Donner Creek, with Berberis, shaded, surface water.
Comment
CHSC117387
Malacothamnus fasciculatus
Barbara Ertter; Tony Morosco
1998-9-18
16417
Contra Costa
West edge Lime Ridgde Open Space northwest of Mount Diablo, chaparral at base of hills.
Comment
JEPS26391
Malacothamnus fremontii
Kittie L. Fenley
1931-5-3
Contra Costa
Nortonville
Comment
UC1042342
Malacothamnus fremontii
Lewis S. Rose
1954-6-29
54081
Contra Costa
Nortonville
Comment
UC185544
Malacothamnus fremontii
Katharine Brandegee
May 1883
Contra Costa
Base of Mt. Diablo
Comment
UC18798
Malacothamnus fremontii
Edw. L. Greene
1892-6-20
Contra Costa
Mt. Diablo
Comment
POM301021
Malacothamnus hallii
Mary L. Bowerman
1933-6-3
2223
Contra Costa
2 miles by road from North Gate
Comment
CAS-BOT-BC204089
Malacothamnus hallii
Lewis S. Rose
1954-6-29
54082
Contra Costa
Mt. Diablo 2 1/2 mi. n. of Turtle Rock
182
Comment
CAS-BOT-BC204094
Malacothamnus hallii
John Thomas Howell; T. H. Kearney
1950-7-5
26634
Contra Costa
On North Road, Mt. Diablo
259
Comment
UCD116361
Malacothamnus hallii
Don C. Elfving
1964-4-26
62
Contra Costa
North Gate Road, 3 miles from base of Mt. Diablo.
Comment
CAS-BOT-BC345269
Malacothrix californica
Dr. A. Kellogg
No date on label
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC345270
Malacothrix californica
Kellogg
No date on label
s.n.
Contra Costa
Antioch
Comment
UC691435
Malacothrix clevelandii
Mary L. Bowerman
1932-4-16
1337
Contra Costa
s 1682 point (Eagle Point Ridge, Mount Diablo); Mount Diablo
502
Comment
JEPS36614
Malacothrix coulteri
R. F. Hoover
1935-3-10
382
Contra Costa
Kirker Pass
Comment
CAS-BOT-BC347391
Malacothrix floccifera
Alice Eastwood
1921-6-11
10601
Contra Costa
Mt. Diablo
Comment
UC1795010
Malacothrix floccifera
R. K. Brummitt, J. Strother and B. Baldwin
1997-5-27
19608
Contra Costa
Mount Diablo, W side, Murchio Gap
800
Comment
UC1618290
Malus sylvestris
Barbara Ertter, Lynne Hosley
1993-4-17
11506
Contra Costa
10 air mi n of Livermore (Morgan Territory, hills in lee of Mount Diablo, along Volvon Trail at se edge of park)
609
Comment Read comments Aug 15 2016
CDA37265
Malva neglecta
D. G. Kelch
2011-3-31
11 .069
Contra Costa
Carquinez Strait Region; Richmond, near Point Pinole Regional Park.
Comment
CHSC33984
Malva nicaeensis
Willis Ball
1975-4-19
525
Contra Costa
Contra Loma Regional Park. In area #1 ca. 40 yds sw of restroom facility at s end of reservoir. In picnic area.
36
Comment
JEPS111546
Malva nicaeensis
D. G. Kelch
2005-3-13
05 .47
Contra Costa
Crockett - weedy area under Zampa Bridge
4
Comment
UC692622
Malva nicaeensis
Mary L. Bowerman
1938-5-25
3631
Contra Costa
Mount Diablo, North Road at Arroyo del Cerro (place where bank joins first bottom 7 ft from stream) Arroyo del Cerro; Mount Diablo, Arroyo del Cerro
1097
Comment
UCD150879
Malva nicaeensis
James A. Neilson Jr.
1972-11-2
3619
Contra Costa
Walnut Creek drainage. Elevation estimated in Google Earth by label maker.
1
Comment
UC1795778
Malva parviflora
Barbara Ertter, Mary Bowerman
1995-6-11
14248
Contra Costa
Shell Ridge Recreation Area southeast of Walnut Creek, at west base Mt. Diablo.; annual grassland near Indian Valley School entrance, clay soil (planted Clarkia also present).
91
Comment
RSA721201
Malva parviflora
Barbara Ertter, Mary L. Bowerman
1995-6-11
14248
Contra Costa
Shell Ridge Recreation Area southwest of Walnut Creek, at west base Mt.Diablo; near Indian Valley School entrance.
91
Comment
CHSC46936
Marah fabacea
R. A. Schlising
1963-6-11
2623
Contra Costa
Above the city of Berkeley, along Grizzly Peak Blvd in Oakland Hills.
Comment
UC1005844
Marah fabacea
N. Floy Bracelin
1945-4-14
2843
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC1050529
Marah fabacea
N. Floy Bracelin
1943-2-28
1950
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
RSA724228
Marah fabacea
R. R. Halse
1988-2-20
3540
Contra Costa
Along Marsh Creek Road, in the Dark Canyon area, 4 miles W of its junction with Deer Valley Road.
156
Comment
SEINET8551076
Marah fabacea
R. R. Halse
1988-2-20
3540
Contra Costa
Along Marsh Creek Road, in the Dark Canyon area, 4 miles W of its junction with Deer Valley Road, near 13980 Marsh Creek Road, Clayton..
156
Comment
UC2028576
Marah fabacea
Barbara Ertter with Stu Garrett
1997-3-29
15540
Contra Costa
West side Mount Diablo, north end of Mothers Trail.
Comment
CHSC46897
Marah oregana
R. A. Schlising
1964-4-11
2699
Contra Costa
Berkeley/Oakland Hills.
Comment
CHSC46933
Marah oregana
Robert A. Schlising
1964-4-2
2671
Contra Costa
Berkeley Hills, above city of Oakland.
Comment
JEPS37068
Matricaria discoidea
W. L. Jepson
1922-5-18
9647
Contra Costa
Berkeley
Comment
UC697138
Matricaria discoidea
Mary L. Bowerman
1931-4-4
653
Contra Costa
4.5 mi from Mount Diablo entrance (west road); Mount Diablo
Comment
UC1050002
Maytenus boaria
N. Floy Bracelin
1942-4-12
2017
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
JEPS112340
Medicago arabica
Dean G. Kelch and Andrew G. Murdock
2004-5-2
04 .169
Contra Costa
Crockett - Edwards Canyon; County: Contra Coasta; Edwards Canyon, Crockett, Contra Coasta County, CA.
Comment
UC2028593
Medicago arabica
Barbara Ertter with Dorothy Frantz
2001-5-10
17642
Contra Costa
Pine Canyon on west side of Mount Diablo, junction of Stage Road and Sunset Trail
Comment
POM11730
Medicago polymorpha
Katherine Brandegee
s.n.
Contra Costa
Byron Hot Springs.
Comment
POM300626
Melica californica
Mary L. Bowerman
1935-4-22
2883
Contra Costa
Ridge west of Pioneer Road (west of Stage Road). East face of ridge; Mount Diablo.
854
Comment
UC692465
Melica californica
Mary L. Bowerman
1935-5-1
2941
Contra Costa
4.4 mi from Mount Diablo West Road (North Rd) entrance (North Gate); Mount Diablo
396
Comment
UCD87145
Melica californica
P. B. Kennedy
1916-5-1
s.n.
Contra Costa
Pinehurst.
Comment
UCD87005
Melica californica
R. E. Cuendett
1915-4-18
s.n.
Contra Costa
Foot of Mt. Diablo.
Comment
UC585495
Melica imperfecta
Virginia E. Long
1933-6-14
221 a
Contra Costa
sse along first w fork Curry Creek trail; Mt. Diablo
Comment
UCD87814
Melica imperfecta
Beecher Crampton
1956-5-14
3405
Contra Costa
Southern boundary of Mt. Diablo State Park.
Comment
CAS-BOT-BC281432
Melica imperfecta
Walter Knight
1972-4-1
s.n.
Contra Costa
Mallard Slough between Port Chicago and Pittsburg
Comment
CAS-BOT-BC281433
Melica imperfecta
Mary L. Bowerman
1931-4-18
714
Contra Costa
Mount Diablo. Sycamore Canyon: moist bank where the chaparral does not extend down to the trail
335
Comment
JEPS99593
Melica torreyana
Mary Bowerman
1994-4-17
Contra Costa
Mount Diablo, Donner Canyon by fire road near junction 1st trail to Back Canyon.
Comment
UC1948968
Melica torreyana
William J. Ferlatte, L. Maynard Moe
1970-4-27
1228
Contra Costa
San Francisco Bay: Red Rock Island
Comment
UC691167
Melica torreyana
Mary L. Bowerman
1935-5-8
2972
Contra Costa
Muir Area
1036
Comment
UC691224
Melica torreyana
Mary L. Bowerman
1933-4-26
1935 a
Contra Costa
Perkins Canyon branch between the main e ridge of North Peak and ridge to its south (canyon se from North Peak) Mt. Diablo
487
Comment
POM300623
Melica torreyana
Mary L. Bowerman
1935-5-18
3024
Contra Costa
Mount Diablo, Northwest facing slope across the road from, and a little east of, the parking area.
1067
Comment
UC1949288
Mentzelia affinis
Barbara Ertter
1991-5-5
9773
Contra Costa
Black Diamond Mines Regional Preserve S of Pittsburg, S side of Rose Hill above Nortonville Pass
Comment
JEPS99554
Mentzelia dispersa
Mary Bowerman
1978-6-3
Contra Costa
Mount Diablo, between lower summit parking lot and road.
Comment
POM274554
Mentzelia dispersa
L. R. Abrams
1921-5-25
8014
Contra Costa
On road to summit, Mt. Diablo.
Comment
JEPS42778
Mentzelia micrantha
W. L. Jepson
1919-6-8
8331
Contra Costa
Mt. Diablo
Comment
POM300650
Mentzelia micrantha
Mary L. Bowerman
1933-5-2
1952
Contra Costa
Below Pioneer Camp and slightly east: Chaparral-burn, south face.
762
Comment
UC1795021
Micropus californicus
R. K. Brummitt and B. Ertter
1998-5-6
19782
Contra Costa
Mt. Diablo, NW side, path to Mitchell's Rock
300
Comment
UCD32380
Micropus californicus
Beecher Crampton
1950-4-22
521
Contra Costa
above site of Judsonville, above old Empire Coal Mine.
152
Comment
UC88373
Micropus californicus var. californicus
E. L. Greene
1886-1
Contra Costa
Marsh Creek
Comment
CHSC67881
Microseris acuminata
James D. Jokerst
1989-3-28
3052
Contra Costa
NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore.
Comment
JEPS18257
Microseris campestris
Peter H. Raven with Mason, Stone, Ornduff, Kuijt
1957-4-4
10581
Contra Costa
vernal flats 3.0 mi s Byron
Comment
CAS-BOT-BC348890
Microseris douglasii subsp. douglasii
Alice Eastwood
1914-3-14
3800
Contra Costa
Byron Springs
Comment
JEPS25387
Microseris douglasii subsp. douglasii
Rimo Bacigalupi with G. T. Robbins and Francia Chisaki
1959-4-14
7000
Contra Costa
along Lone Tree Way 2 1/2 mi se Antioch (just e of Antioch Airport)
56
Comment
JEPS81843
Microseris douglasii subsp. douglasii
Rimo Bacigalupi with G. T. Robbins and Francia Chisaki
1959-4-14
7000
Contra Costa
along Lone Tree Way just e Antioch Airport (2 1/2 mi se of Antioch)
56
Comment
UC1586069
Microseris douglasii subsp. douglasii
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8118
Contra Costa
15 air mi sw Stockton (w and adjacent to Clifton Court Forebay, se Contra Costa County)
Comment
UC1795682
Microseris douglasii subsp. douglasii
Barbara Ertter, Dale Sanders, Dan Norris
1994-3-26
12336 a
Contra Costa
Peyton Hill east of I-680 east of Martinez, south of Waterfront Road
Comment
UC691465
Microseris douglasii subsp. douglasii
Mary L. Bowerman
1931-4-18
729
Contra Costa
in basin of ne fork Sycamore Canyon; Mount Diablo
Comment
CAS-BOT-BC348887
Microseris douglasii subsp. douglasii
Mary L. Bowerman
1933-5-8
2008
Contra Costa
Mount Diablo. Fossil Ridge, south face, not far from but out of sight of South Entrance
289
Comment
UC1819049
Microseris douglasii subsp. douglasii
Barbara Ertter, Lisa Schultheis
1995-4-27
14012
Contra Costa
Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; northwest side of open grassy ridge at end of Arbolado Dr.
121
Comment
POM53410
Microseris elegans
C. F. Baker
1903-4-28
2830
Contra Costa
Marsh Creek, Mt. Diablo.
Comment
JEPS36177
Microseris sylvatica
W. L. Jepson
1918-6-3
7590
Contra Costa
Donner Canyon Mt. Diablo
304
Comment
UC2070514
Microseris sylvatica
Barbara Ertter with David Gowen and Michael Park
2004-4-13
18357
Contra Costa
Black Diamond Mines Regional Park south of Pittsburg, upper part of N-facing slope below Black Diamond Trail, opposite Rose Hill cemetery.
Comment
UCSB5226
Microsteris gracilis
Kamb, Peter
1950-3-18
Contra Costa
Head of Pine Canyon; Mount Diablo
533
Comment
CDA41672
Mimulus aurantiacus
D. G. Kelch
2005-6-24
5 .383
Contra Costa
Carquinez Strait Region; 5th Street Prairie, Crockett.
Comment
LA209141
Mimulus aurantiacus
H. Lewis;
1940-7-5
sn
Contra Costa
E of Berkeley
Comment
JEPS78821
Mimulus aurantiacus var. aurantiacus
Edward Lee
1936-5-24
2163
Contra Costa
10 mi from Marsh Creek Road; Morgan Territory
Comment
RSA454334
Mimulus guttatus
L. S. Rose
1941-3-27
41064
Contra Costa
2 mi. w. of Byron.
46
Comment
UCD122684
Mimulus guttatus
Carole Lembi
1964-3-1
5
Contra Costa
Mt. Diablo Road, 5 miles from top of Mt. Diablo.
304
Comment
SEINET3159684
Mimulus latidens
L. S. Rose
1940-4-11
40184
Contra Costa
3 miles W of Byron.
30
Comment
UC103726
Mimulus latidens
M. K. Curran
May 1886
Contra Costa
Antioch
Comment
JEPS116944
Mimulus latidens
David Gowen
2008-4-16
862
Contra Costa
Just south of parking area for Black Diamond Mines Regional Preserve on Frederickson Road.
Comment
CAS-BOT-BC388607
Minuartia douglasii
A. D. E. Elmer
1921-6-11
s.n.
Contra Costa
Mt. Diablo summit
Comment
UC2070482
Minuartia douglasii
Gregg Weber
2004-3-23
Contra Costa
Briones Reservoir a little east of Hampton Road.
Comment
RSA59589
Minuartia douglasii
Verne Grant, Alva Grant
1950-5-13
8897
Contra Costa
Saddle between N & Meridian peaks, Mt. Diablo.
Comment
JEPS108214
Moehringia macrophylla
David Gowen
2005-4-25
266
Contra Costa
Mt. Diablo State Park. North Peak Trail, ca 1/4 mile south of Prospectors Gap.
Comment
RSA135441
Monardella douglasii
Volney Rattan
1886-6-14
s.n.
Contra Costa
Mt. Diablo
Comment
UC691408
Monardella douglasii
Mary L. Bowerman
1935-6-1
3116
Contra Costa
Diablo Trail Mount Diablo, Meridian Peak
1082
Comment
CAS-BOT-BC221676
Monardella douglasii
Mary L. Bowerman
1930-6-22
369
Contra Costa
Mount Diablo. Mitchell Canyon trail: below Deer Flat
Comment
UC2070470
Monardella douglasii
Barbara Ertter with John Ginochio
2002-6-1
17941
Contra Costa
Ginochio Ranch in Arroyo del Cerro on NW side of Mount Diablo, connector road between Government Road and Olofson Homestead.
Comment
CHSC67994
Monardella villosa subsp. villosa
James D. Jokerst
1987-6-16
2915
Contra Costa
Livermore Valley, 0.3 mi W of Vasco Rd. and +/- 200 m SW of a dirt track.
Comment
UC2028367
Monardella villosa subsp. villosa
Barbara Ertter
1998-6-20
16252
Contra Costa
Shell Ridge Open Space on NW side of Mount Diablo, N-facing slope above Coyote Creek
Comment
UC2031460
Monolopia gracilens
Barbara Ertter with David Gowen
2014-4-12
21715
Contra Costa
Ridge on north side of Prospectors Gap Road, ca 1 mile east of Mount Diablo summit
Comment
UC697149
Monolopia gracilens
Mary L. Bowerman
1935-5-8
2973
Contra Costa
Muir Area Mount Diablo
1005
Comment
CAS-BOT-BC349608
Monolopia major
Ethel Crum
1939-3-19
2083
Contra Costa
Two miles west of Byron
45
Comment
CAS-BOT-BC349614
Monolopia major
Alice Eastwood
1914-3-14
3803
Contra Costa
Byron Springs
Comment
CAS-BOT-BC349619
Monolopia major
C. F. Baker
1903-4-27
2796
Contra Costa
Byron
Comment
CAS-BOT-BC349620
Monolopia major
Sherwin Carlquist
1952-3-28
285
Contra Costa
7.2 miles west of Tracy
Comment Read comments Feb 9 2019
CHSC22932
Monolopia major
Robert A. Schlising
1962-4-7
2143
Contra Costa
Coast Ranges. S of Jct Empire Mine Road and Lone Tree Way; roadside.
Comment
POM301038
Monolopia major
Mary L. Bowerman
1932-4-27
1365
Contra Costa
Mount Diablo: Oyster Ridge, south face: Grassy west-facing slope of ridge west of Riggs Canyon
Comment
JEPS73689
Montia fontana
L. R. Heckard with Wm. Hirano and Ted Niehaus
1968-3-5
1758
Contra Costa
about 3 mi se of Byron (at junction of Holey Road, along Byron-Bethany Road)
7
Comment
CAS-BOT-BC444824
Montia fontana
Joseph Andorfer Ewan
1935-2-3
9083
Contra Costa
Wildcat Creek 2 1/2 mi. below Orinda road bridge.
Comment
UC1795789
Montia fontana subsp. chondrosperma
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14029
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, wet ground around small pond west of road in grassy flat.
Comment
POM300988
Montia fontana subsp. variabilis
Mary L. Bowerman
1939-3-31
3736
Contra Costa
Spring in bend of road to Barbecue Terrace ( off S road).
Comment
CDA15240
Myoporum laetum
G. F. Hrusa, D. Crowe
1998-5-8
14371
Contra Costa
Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River.
Comment
CAS-BOT-BC83291
Myosurus minimus
Herbert L. Mason
1952-4-26
14268
Contra Costa
3.5 miles south of Byron.
Comment
CAS-BOT-BC83293
Myosurus minimus
Herbert L. Mason
1952-4-26
14269
Contra Costa
3.5 miles south of Byron.
Comment
CAS-BOT-BC83297
Myosurus minimus
Peter H. Raven; D. Stone; H. L. Mason; R. Ornduff; et al.
1957-4-4
10583
Contra Costa
3.0 miles south of Byron.
Comment
UC1738113
Myosurus minimus
D. E. Stone
1957-3-15
14 -20
Contra Costa
3 mi S of Byron ( on road to Herdlyn)
Comment
UC1101333
Myosurus sessilis
Herbert L. Mason
1952-4-14
14264
Contra Costa
3.5 mi s of Byron
Comment
UC1738122
Myosurus sessilis
D. E. Stone
1955-8-26
8 -24
Contra Costa
on the road to Herdlyn, 3 mi S of Byron
Comment
POM312428
Myosurus sessilis
H. L. Mason
1952-4-26
14270
Contra Costa
Vernal Pool, 3.5 miles S of Byron
Comment
UC1777714
Myriophyllum sibiricum
M. R. Bell
1950-10-9
Contra Costa
near Concord (from stock pond on farm of E. J. Mangini)
Comment
UC2028254
Narcissus
Barbara Ertter with Gary Schoolcraft
1996-4-7
14581
Contra Costa
Molate Beach Park on San Francisco Bay north of San Rafael Bridge, coastal prairie and brushland on bluff
Comment
JEPS102897
Narcissus tazetta
Barbara Ertter
1998-1-25
15910
Contra Costa
Back Canyon Road at crossroad S of Donner Canyon trailhead Mount Diablo
Comment
JEPS99983
Nassella lepida
S. O'Neil
2003-5-30
SEO 37
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC697123
Nassella lepida
Mary L. Bowerman
1935-5-1
2936
Contra Costa
North Road 2 mi from North Gate (se exp.); Mount Diablo
182
Comment
CAS-BOT-BC260126
Nassella pulchra
A. A. Beetle
1941-3-28
1718
Contra Costa
Orinda
Comment
POM295472
Nassella pulchra
Lyman Benson
1935-3-16
6285
Contra Costa
Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo.
305
Comment
CDA32558
Nassella pulchra
A. A. Beetle
1941-3-28
1718
Contra Costa
Orinda
0
Comment
LA206696
Navarretia mellita
John Thomas Howell;
1938-6-30
13938
Contra Costa
head of Siesta Valley
Comment
SEINET183957
Navarretia mellita
John Thomas Howell
1938-6-30
13938
Contra Costa
Head od Seista Valley.
Comment
UC126029
Navarretia nigelliformis
M. K. Curran
1888-5
Contra Costa
Antioch
Comment
JEPS116990
Navarretia nigelliformis subsp. radians
David Gowen
2008-4-16
857
Contra Costa
West end of Horse Valley.
146
Comment
UC30206
Navarretia pubescens
W. H. Brewer
1862-5-19
1113
Contra Costa
n of Kirkers Pass
Comment
UC2028276
Navarretia pubescens
Barbara Ertter
1999-6-12
16700
Contra Costa
Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo.
Comment
JEPS112005
Navarretia squarrosa
D. G. Kelch
2005-5-1
05 .191
Contra Costa
Crockett - Edwards Canyon
150
Comment
UCR197889
Navarretia squarrosa
Beecher Crampton
1949-6-26
474
Contra Costa
Between Pinole and San Pablo, along US Hwy 40 [80], above Garrity Creek
30
Comment
CDA1155
Nemophila heterophylla
D. G. Kelch, Andrew Murdock
2003-3-21
3 .056
Contra Costa
Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive.
Comment
JEPS111835
Nemophila heterophylla
D. G. Kelch
2003-3-21
03 .56
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive
40
Comment
JEPS3220
Nemophila heterophylla
W. L. Jepson
1923-4-22
9868
Contra Costa
Mt. Diablo Vicinity of San Francisco Bay, Mt. Diablo
Comment
JEPS75500
Nemophila heterophylla
P. F. Yorks
1974-4-6
128
Contra Costa
on Hampton Road in Hampton Road Natural Reserve ca 1.4 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve, n of Briones Reservoir
180
Comment
UC67125
Nemophila heterophylla
Harley P. Chandler
1901-4-5
948
Contra Costa
Pine Canyon , Pine Canyon (Mt. Diablo)
Comment
UC691705
Nemophila heterophylla
Mary L. Bowerman
1933-4-9
1838
Contra Costa
w fork , Donner Canyon, w fork (Donner Canyon; Mount Diablo)
243
Comment
UC880873
Nemophila heterophylla
Lewis S. Rose
1941-5-15
41238
Contra Costa
summit Mt. Diablo
1188
Comment
POM196037
Nemophila heterophylla
R. Raven
1929-3-31
s.n.
Contra Costa
Marsh Creek Canyon.
Comment
UC880892
Nemophila menziesii
Lewis S. Rose
1941-3-13
41029
Contra Costa
3 mi w Byron; w of Byron
30
Comment
JEPS111831
Nemophila menziesii var. menziesii
D. G. Kelch
2005-3-25
05 .96
Contra Costa
Fernandez Ranch Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak
115
Comment
UC2027953
Nerium oleander
Barbara Ertter with Joanne Kerbavaz and Mary Bowerman
2000-8-20
17509
Contra Costa
North side Mount Olympia in Mount Diablo State Park, bulldozed site of former occupation at Zippe Spring.
Comment
UC2028006
Nicotiana glauca
Barbara Ertter with Amy Rusev
1998-1-17
15899
Contra Costa
Edge of Lime Ridge Open Space at NW foot of Mount Diablo, around former quarry [subsequently developed] on south side of Ygnacio Valley Road.
Comment
CDA5795
Nicotiana tabacum
R. DeBoer
1966-12-2
Contra Costa
Golden Gate Fish Co., Point San Pablo, Richmond.
0
Comment
UC691106
Oemleria cerasiformis
Mary L. Bowerman
1935-3-16
2734
Contra Costa
Peach Tree Springs Rd. Mount Diablo (e fork of canyon)
228
Comment
SBBG39495
Oemleria cerasiformis
L. S. Rose
1970-3-2
70011
Contra Costa
2 mi NW of Canyon
213
Comment
UCSB26442
Oemleria cerasiformis
Keefe, Joseph
1967-3-21
Contra Costa
Huckleberry Trail, 0.5 mi. east of Skyline Blvd., near intersection with Grizzly Peak Blvd., east of Berkeley
274
Comment
UCD127743
Oenanthe sarmentosa
Walter Knight; Irja Knight et al.
1978-9-5
3222
Contra Costa
Browns Island. In marsh south of Sandy Knoll.
Comment
UC169387
Oenothera deltoides subsp. cognata
K. Brandegee
1892-5
Contra Costa
Antioch
Comment Read comments Sep 29 2008
CDA38166
Oenothera deltoides subsp. cognata
Harry Spanglet
2008-7-1
s.n.
Contra Costa
West side of Emerson Ranch (Emerson Tract?), nr. Oakley, part of DWR s Dutch Slough Restoration Project.
0
Comment
CAS-BOT-BC171592
Oenothera deltoides subsp. howellii
Volney Rattan
1879-1-1
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC171593
Oenothera deltoides subsp. howellii
James McMurphy
1909-5-23
s.n.
Contra Costa
Antioch
Comment
POM310930
Oenothera deltoides subsp. howellii
P. D. Hurd
1952-5-26
s.n.
Contra Costa
1 mile east of Antioch in sand dunes, near western margin of San Joaquan River close to its mouth
30
Comment
RSA144914
Oenothera deltoides subsp. howellii
Peter Rubtzoff
1954-9-14
1756
Contra Costa
Sand dunes along lower San Joaquin River, east of Antioch.
Comment
NY233529
Oenothera deltoides var. howellii
A. Eastwood
1936-4-19
2147
Contra Costa
Comment
RSA0004532
Oenothera deltoides var. howellii
Alice Eastwood, J. T. Howell
1936-4-19
2147
Contra Costa
Sand dunes at Antioch
Comment
UC2028046
Olea europaea
Barbara Ertter
1998-3-1
15921
Contra Costa
Shell Ridge Open Space on northwest base of Mount Diablo, Sulfur Creek upstream from Good's Spring.
Comment
UC691753
Orobanche bulbosa
Mary L. Bowerman
1938-6-24
3694
Contra Costa
Pioneer Road junction
853
Comment
UC1076301
Orobanche fasciculata
Herbert L. Mason
1926-5-7
2704
Contra Costa
Near Summit of Mount Diablo.
Comment
UC887954
Orobanche fasciculata
Lewis S. Rose
1941-5-15
41243
Contra Costa
Mt. Diablo, near summit.
Comment
CAS-BOT-BC499851
Orobanche fasciculata
Alice Eastwood
1915-5-30
4536
Contra Costa
Mt. Diablo
Comment
JEPS102913
Orobanche pinorum
Christopher Thayer
1995-6-27
Contra Costa
Mount Diablo State Park, below Prospectors Gap along trail to Murchio Gap
Comment
UC1607664
Orobanche uniflora
Barbara Ertter with Michelle Seidl
1992-3-14
10918
Contra Costa
Morgan Territory Regional Preserve e of Mount Diablo; Morgan Territory Regional Preserve
Comment
UC1819031
Orobanche uniflora
Barbara Ertter, Mary Bowerman, Lisa Schultheis
1995-3-31
13945
Contra Costa
Mount Diablo State Park, steep west-facing bank with outcrops near weir at mouth of Mitchell Canyon.
Comment
UC27898
Orobanche uniflora subsp. occidentalis
J. Burtt Davy
1895-4-13
1004
Contra Costa
Lafayette.
Comment
UC691747
Orobanche uniflora subsp. occidentalis
Mary L. Bowerman
1935-5-18
3029
Contra Costa
Mount Diablo. North of the large summit parking area. Exposure northeast.
Comment
JEPS19479
Orobanche vallicola
Herbert L. Mason
1929-9-21
5432
Contra Costa
3 mi. above Clayton (Marsh Creek Rd.)
Comment
POM15646
Orthocarpus attenuatus
H. P. Chandler
1901-3-21
843
Contra Costa
Concord.
Comment
PASA163
Orthocarpus pusillus
Frank W. Peirson
1926-4-10
Contra Costa
Road from Pablo to Pinole
Comment
UC1094580
Osmorhiza berteroi
C. R. Bell
1953-3-27
1407
Contra Costa
Berkeley, U.C. campus
Comment
UC1795761
Panicum capillare
Barbara Ertter, Lincoln Constance
1995-6-16
14262
Contra Costa
East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area, mud on riprap.
Comment
RSA0029056
Panicum capillare
Barbara Ertter, Mary L. Bowerman, Lisa Schultheis
1998-8-21
16396
Contra Costa
South side of Mount Diablo, South Gate Road 1.1 mi below entry kiosk.
366
Comment
HSC94231
Papaver heterophyllum
C. Newberry
1994-4-30
7247
Contra Costa
Mt. Diablo State Park, trail from Mitchell Canyon parking to Donner Creek
900
Comment
UCD88473
Parapholis incurva
Katharine Brandegee
1923-5-8
s.n.
Contra Costa
Byron Springs.
Comment
UCD88661
Parapholis incurva
P. B. Kennedy
1928-5-12
s.n.
Contra Costa
Byron Hot Springs.
Comment
CDA4220
Paraserianthes lophantha
D. G. Kelch
2006-12-2
6 .509
Contra Costa
Carquinez Strait; Along drainage channel under Zampa Bridge, Crockett.
Comment
UC1111579
Parietaria hespera var. californica
Herbert L. Mason
1929-5-5
5260
Contra Costa
Nortonville
Comment
JEPS105696
Parietaria hespera var. californica
David Gowen
2004-4-16
31
Contra Costa
Black Diamond Mines Regional Preserve. Canyon that heads south of the Nortonville townsite.
Comment
JEPS100036
Paspalum dilatatum
S. O'Neil
2003-9-16
SEO 46
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
CDA37338
Paspalum distichum
D. G. Kelch
2010-10-31
10 .443
Contra Costa
Valley north of Alhambra Valley Rd., south of Pinole Peak, east of Hercules.
Comment
UC2028558
Paspalum distichum
Barbara Ertter with Chris Thayer
1996-10-25
15366
Contra Costa
Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothill Regional Park.
Comment
UCD84177
Paspalum distichum
Chuck Hughes
2009-10-2
136
Contra Costa
Marsh Creek at County Jail on Marsh Creek Road.
179
Comment
UC573135
Pectocarya penicillata
H. L. Mason
1932-3-20
6845
Contra Costa
Antioch sand hills
Comment
UC691635
Pectocarya pusilla
Mary L. Bowerman
1933-4-22
1896
Contra Costa
spur running nw Cave Point; Inner Black Hills
Comment
JEPS108356
Pectocarya pusilla
David Gowen
2005-4-4
225
Contra Costa
Sibley Regional Preserve. East of Round Top and ouside of the park. NE-facing slope half way down to the valley.
Comment
UCD123307
Pedicularis densiflora
Robert C. Bechtel
1952-4-12
54
Contra Costa
Mt. Diablo.
Comment
UC198950
Pediomelum californicum
H. M. Hall and F. M. Essig
1916-5-31
10133
Contra Costa
Summit Mount Diablo
Comment
UC692690
Pediomelum californicum
Mary L. Bowerman
1935-6-1
3114
Contra Costa
summit Mount Diablo Mount Diablo, summit (between the one-way roads)
Comment
POM20615
Pediomelum californicum
F. W. Peirson
1923-7-1
3618
Contra Costa
Contra Costa County: summit of mt Diablo
Comment
JEPS106989
Pellaea andromedifolia
J. Greenhouse with Kevin Hintsa
2004-4-5
5087
Contra Costa
Mt. Diablo, Fire Interpretive Trail, Devil's Pulpit
1088
Comment
JEPS79489
Pellaea andromedifolia
Edward Lee with Annetta Carter
1936-1-12
1708
Contra Costa
canyon immediately s of Nortonville
Comment
RSA686984
Pellaea mucronata
Mark Morris
1929-03
14909
Contra Costa
Mount Diablo, Contra Costa
Comment
JEPS17394
Penstemon centranthifolius
Rimo Bacigalupi with G. T. Robbins
1955-5-4
4984
Contra Costa
about 1 1/4 mi e Antioch (near the San Joaquin River); near San Joaquin River, e of Antioch
9
Comment
JEPS4477
Penstemon centranthifolius
G. Thomas Robbins
1940-5-19
324
Contra Costa
e Antioch; bordering San Joaquin River e of Antioch
Comment
NY583859
Penstemon centranthifolius
A. A. Heller
1908-4-16
8895
Contra Costa
East of Antioch
22.9
Comment
POM224482
Penstemon centranthifolius
L. S. Rose
1936-4-24
36158
Contra Costa
3 mi E of Antioch.
15
Comment
RSA101693
Penstemon centranthifolius
H. L. Mason
1929-3-31
5156
Contra Costa
Along San Joaquin River, Antioch.
Comment
SEINET12320780
Penstemon centranthifolius
Unknown
1980-1
3879
Contra Costa
Lime Ridge, N end, S of Ygnacio Valley Rd between Walnut Creek & Concord
Comment
RSA93278
Pentachaeta alsinoides
Alice Eastwood, J. T. Howell
1936-4-19
2138
Contra Costa
Nortonville.
Comment
UC34652
Pentachaeta alsinoides
Chesnut and Drew
1889-4-16
Contra Costa
Martinez
Comment
JEPS116790
Pentachaeta alsinoides
David Gowen
2006-6-14
610
Contra Costa
Morgan Territory Regional Park; At the NW end of Eagle Trail.
Comment
SBBG122848
Pentachaeta alsinoides
B. Ertter, L. Schulteis
1995-4-27
14006
Contra Costa
end of Arbolado Drive, Lime Ridge open space NW of Mt Diablo
121
Comment
SEINET3873573
Pentagramma triangularis
Clayton Newberry
1994-4-30
7252
Contra Costa
Mount Diablo State Park, trail from Mitchell Cn. Prkng to Donner Cr.; 0
900
Comment
UC1354307
Perideridia californica
T. I. Chuang, L. R. Heckard and R. Bacigalupi
1968-4-27
6437
Contra Costa
Deer Flat Mt. Diablo
Comment
UC692261
Perideridia californica
Mary L. Bowerman
1933-6-20
2329
Contra Costa
edge of stream <a> little above Bilharan Lodge; Mount Diablo, Donner Canyon
Comment
UC691890
Perideridia kelloggii
Mary L. Bowerman
1938-6-30
3698
Contra Costa
Black Oak Flat Mount Diablo (dry streamlet n of chaparral)
762
Comment
UC1390000
Perideridia oregana
T. I. Chuang, L. Constance, R. S. Mitchell, and S. Banwar
1965-7-23
6009
Contra Costa
just below Live Oak Picnic Area; Mount Diablo
487
Comment
CAS-BOT-BC413498
Persicaria amphibia
Walter Knight; Joanne Dean
1978-8-14
3176
Contra Costa
Browns Island
Comment
CAS-BOT-BC418832
Persicaria hydropiperoides
Brian Atwater
1978-10-24
BA- 165
Contra Costa
Between Bethel Island and Holland Tract
Comment
RSA428314
Phacelia
Alice Eastwood
1931-5-30
18617
Contra Costa
Oak Spring
Comment
UC107330
Phacelia breweri
Katharine Curran
May 1883
Contra Costa
Mt. Diablo
Comment
UC691690
Phacelia breweri
Mary L. Bowerman
1933-5-2
1953
Contra Costa
below Pioneer Camp; Mount Diablo
762
Comment
UC880993
Phacelia breweri
Lewis S. Rose
1941-5-15
41239
Contra Costa
summit Mt. Diablo
1188
Comment
UC672385
Phacelia californica
Herbert L. Mason
1928-4-13
4300
Contra Costa
cliffs facing Bay Richmond
Comment
POM89836
Phacelia ciliata
Chesnut, E. R. Drew
1889-4-17
s.n.
Contra Costa
Summerville.
Comment
UC131485
Phacelia distans
C. F. Baker
1903-4-28
2806
Contra Costa
Antioch
Comment
UC24341
Phacelia distans
J. Burtt Davy
1895-4-7
917
Contra Costa
Antioch
Comment
UC672426
Phacelia distans
Herbert L. Mason
1929-3-29
5122
Contra Costa
Mount Diablo
762
Comment
POM65421
Phacelia distans
C. F. Baker
1903-4-28
2806
Contra Costa
Antioch
Comment
RSA276849
Phacelia douglasii
James I. McMurphy
1910-4-9
s.n.
Contra Costa
Antioch.
Comment
JEPS2169
Phacelia imbricata subsp. imbricata
W. L. Jepson
1918-6-5
7611
Contra Costa
North Peak Mount Diablo
944
Comment
UC691694
Phacelia nemoralis subsp. nemoralis
Mary L. Bowerman
1936-5-6
3410
Contra Costa
Mitchell Canyon Mount Diablo (by road)
228
Comment
POM300966
Phacelia nemoralis subsp. nemoralis
Mary L. Bowerman
1934-4-21
2537
Contra Costa
Muir Area.
Comment
POM310991
Phacelia phacelioides
Lincoln Constance, C. W. Sharsmith, H. S. Reed
1940-4-27
2574
Contra Costa
North of Juniper Camp, Mount Diablo
762
Comment
CHSC69643
Phacelia tanacetifolia
James D. Jokerst
1989-3-31
3079
Contra Costa
Steep mesic hillside with fluffy clay soil E of creek in Brushy Creek Canyon.
Comment
UC881269
Phacelia tanacetifolia
Alice Eastwood
1914-3-14
3804
Contra Costa
Byron Springs
Comment
RSA29642
Phacelia tanacetifolia
Joseph A. Ewan
1935-3-6
9128
Contra Costa
Donovan Road, Kirker Pass.
Comment
UCD88527
Phalaris arundinacea
Malcolm A. Nobs; S. Galen Smith
1949-7-8
945
Contra Costa
Otto's Black Bass Resort, 4 miles N of Kingston.
Comment
UC50726
Phalaris californica
Jos. Burtt Davy
Apr 1897
Contra Costa
Point Isabel
Comment
UC407384
Phalaris lemmonii
Ira L. Wiggins
1930-4-17
4583
Contra Costa
1/4 mi s Byron
Comment
UC1132436
Phalaris minor
C. M. Belshaw
1936-5-11
2099
Contra Costa
2 1/2 mi ese Danville (Plot 19); Mt. Diablo Quadrangle
Comment
UC692384
Phalaris minor
Mary L. Bowerman
1933-4-15
1849
Contra Costa
canyon s Arroyo del Cerro, Mount Diablo (at edges of s-facing flat which slopes slightly adjacent to stream bed); Mount Diablo
Comment
CAS-BOT-BC265961
Phalaris minor
Mary L. Bowerman
1934-4-21
2533
Contra Costa
Muir Area, Mount Diablo
Comment
JEPS72970
Phalaris paradoxa
W. L. Jepson
1940-6-5
19937
Contra Costa
Richmond
Comment
UCD146719
Phalaris paradoxa
G. F. Hrusa; D. Crowe
1998-5-8
14368
Contra Costa
Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg.
15
Comment
UCD89359
Phalaris paradoxa
Katharine Brandegee
1916-5-8
s.n.
Contra Costa
Byron Springs.
Comment
SEINET5566389
Phalaris paradoxa
E. A. Bernays
1985-1
s.n.
Contra Costa
Russell Reserve.
Comment
UC908774
Phlox gracilis
R. F. Hoover
1935-3-10
313
Contra Costa
Antioch
Comment
RSA459276
Pholistoma membranaceum
H. de Forest
1930-4-6
s.n.
Contra Costa
S.E. of Mortonville. Small coal mine ravine.
244
Comment
UC1078913
Phoradendron macrophyllum
Job Kuijt
1958-1-12
1443
Contra Costa
near Walnut Creek (Saranap); Saranap
Comment
UCD163491
Phragmites australis
D. Slakey; CNPS Volunteers
2015-9-12
224
Contra Costa
Northern edge of Browns Island, at entrance to Crooked Slough. Plants infected with pests; TJM 2
0
Comment
CDA9279
Phragmites australis
D. G. Kelch
2002-7-15
2 .007
Contra Costa
CA Delta; Old San Joaquin River channel, E of Brentwood. San Joaquin County border.
0
Comment
SBBG122964
Phyla nodiflora
B. Ertter
1990-9-10
9634
Contra Costa
Briones Hills S of Martinez, Maricich Lagoon at jct of Alhambra Crk Trail and Old Briones Rd; Briones Regional Park
335
Comment
UCD33148
Phyllostachys
Beecher Crampton
1966-10-18
7814
Contra Costa
Contra Costa County, Kensington, Berkeley Hills Blake Garden, UC Berkeley Dept. of landscape architecture.
Comment
UC311108
Pickeringia montana var. montana
A. D. E. Elmer
May, 1903
4315
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC76966
Pilularia americana
Katharine Brandegee
1909-4-24
s.n.
Contra Costa
Between Antioch and Marsh Creek, Briones Road.
Comment
POM210012
Pilularia americana
Katherine Brandegee
1909-4-24
s.n.
Contra Costa
Between Antioch and Marsh Creek, Briones Road
Comment
JEPS47871
Pinus coulteri
W. L. Jepson
1909-6-25
3116
Contra Costa
Mt. Diablo
Comment
RSA32648
Pinus coulteri
C. B. Wolf, Allen L. Chickering, H. L. Mason
1943-2-28
11442
Contra Costa
1 mile SW of the old coal mining settlement of Nortonville at the Northern base of Mt. Diablo hills.
305
Comment
JEPS84499
Piperia elegans
Jack Stratford
1980-8-6
Contra Costa
Huckleberry Trail Huckleberry Botanic Regional Preserve
Comment
JEPS79510
Piperia elongata
Edward Lee
1978-7-9
Contra Costa
Pt. San Pablo
Comment
CDA39509
Piperia transversa
D. G. Kelch
2005-5-23
5 .379
Contra Costa
Carquinez Strait Region; Crockett; West Valona (Crockett), between railroad tracks and Pinus pinea grove.
Comment
CAS-BOT-BC158327
Piperia unalascensis
Alice Eastwood
1915-5-30
4456
Contra Costa
Field redacted by CAS, contact the data manager for more information
Comment
UC1819070
Piptatherum miliaceum
Barbara Ertter, Mary Bowerman, Lisa Schultheis
1995-3-31
13940
Contra Costa
Mount Diablo State Park, lower end of Mitchell Canyon south of Clayton, on east side of stream not far from trail head.
182
Comment
UC2028436
Piptatherum miliaceum
Barbara Ertter with Chris Thayer
1996-10-25
15353
Contra Costa
Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park
Comment
JEPS68955
Plagiobothrys acanthocarpus
Edward Lee
1935-3-10
1287
Contra Costa
Kirker Pass, Donovan Road, w watershed of Kirker Creek Kirker Pass; , Donovan Road
Comment
JEPS73694
Plagiobothrys acanthocarpus
L. R. Heckard with Wm. Hirano and Ted Niehaus
1968-3-5
1763
Contra Costa
along Byron-Bethany road about 3 mi se Byron (at junction of Holey Road, between railroad and hwy)
7
Comment
CDA31452
Plagiobothrys bracteatus
D. G. Kelch
2006-5-2
6 .211
Contra Costa
Carquinez Strait; Fernandez Ranch; W. Christie Rd.
Comment
UC1084390
Plagiobothrys bracteatus
G. Thomas Robbins
1937-4-25
149
Contra Costa
2 mi e Alamo
Comment
UC101457
Plagiobothrys canescens
Katharine Brandegee
May 1907
Contra Costa
Antioch Station S.P.R.R. Antioch
Comment
UC517994
Plagiobothrys canescens
Lewis S. Rose
1933-3-29
33046
Contra Costa
Pittsburg
Comment
CDA1340
Plagiobothrys leptocladus
D. G. Kelch
1992-3-21
1824 -A
Contra Costa
2.5 mi. SE of Byron; along RR tracks, N of junction of Holey Rd. and Byron Hwy.
0
Comment
SBBG96463
Plagiobothrys nothofulvus
W. J. Dress
1951-3-17
3068
Contra Costa
eastern slope of Berkeley Hills, just W of Orinda
Comment
UC1069046
Plagiobothrys nothofulvus
R. C. Wilson
1935-3-29
161
Contra Costa
1/2 mi w Deer Flat; Mt. Diablo Quadrangle
Comment
HSC3502
Plagiobothrys stipitatus
Greg Bos
1963-4-26
88
Contra Costa
Pinole Valley Rd., SE of Pinole
76
Comment
UC1618195
Plagiobothrys stipitatus var. micranthus
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8126
Contra Costa
ca. 15 air miles s.w. Stockton (alkali sink w. and adjacent to Clifton Court Forebay); s.e. contra Costa Co.
Comment
UC79381
Plagiobothrys stipitatus var. micranthus
Katharine Brandegee
Apr 1889
Contra Costa
Byron
Comment
UC78090
Plagiobothrys tenellus
Katharine Curran
April 1885
Contra Costa
Antioch
Comment
JEPS111833
Plagiobothrys trachycarpus
A. G. Murdock
2004-3-19
230 /231
Contra Costa
Hercules - Carbon
50
Comment
UC24586
Plagiobothrys trachycarpus
W. H. Brewer
1862-4-30
1007
Contra Costa
Walnut Creek; ; Walnut Creek, Camp 69
Comment
UC2028324
Plagiobothrys trachycarpus
Barbara Ertter with Richard K. Brummitt
1998-5-13
16143
Contra Costa
Black Diamond Mines Regional Preserve in hills south of Pittsburg, depression in road from Somersville Road to south leg of Loughler Loop Trail.
Comment
JEPS116853
Plagiobothrys undulatus
David Gowen
2007-4-16
677
Contra Costa
Briones Regional Park in vernal depression northeast of Sindicich Lagoon.
Comment
UC1736692
Plantago bigelovii
Dean W. Taylor
1971-4-1
980
Contra Costa
junction of Byron Road and Holley Road; vernal pool
7
Comment
POM283866
Plantago bigelovii subsp. bigelovii
Annetta Carter
1933-4-9
291
Contra Costa
About 2 miles southwest of Nortonville.
Comment
CAS-BOT-BC6475
Plantago californica
M. K. Curran
1883-1-1
s.n.
Contra Costa
Antioch
Comment
UC28002
Plantago elongata
J. Burtt Davy
1900-3-24
6522
Contra Costa
near Stege
Comment
JEPS112001
Plantago erecta
D. G. Kelch
2005-4-24
05 .156
Contra Costa
Franklin Canyon Franklin Canyon, Contra Costa County, CA. Collier Hill. West Carbon
60
Comment
JEPS6441
Plantago erecta
W. L. Jepson
1922-5-11
9637
Contra Costa
North Berkeley Hills
Comment
JEPS22022
Plantago lanceolata
G. Thomas Robbins with S. Galen Smith
1958-6-2
3854
Contra Costa
Just east of crossing of Hastings Slough on road between Port Chicago and Avon
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
CDA37283
Plantago major
D. G. Kelch
2011-3-31
11 .076
Contra Costa
Carquinez Region; Richmond; Hilltop Lake Park.
Comment
UCD124562
Plantago subnuda
Ann F. Johnson
1978-6-30
AN- 57
Contra Costa
along edge of San Joaquin River, PG and E.-site, Antioch Dunes.
Comment
JEPS112003
Platanus racemosa
D. G. Kelch
2004-4-25
04 .106
Contra Costa
Arroyo del Hambre Along Alhambra Creek in Martinez
74
Comment
CAS-BOT-BC91605
Platystemon californicus
John Thomas Howell
1933-5-14
11277
Contra Costa
Hills east of Saint Mary's College.
Comment
UC101592
Platystemon californicus
Katharine Brandegee
1907-5-5
c
Contra Costa
between Antioch and Marsh Creek; between Antioch and Marsh Creek
Comment
SEINET3160735
Platystemon californicus
L. S. Rose
1940-4-11
40189
Contra Costa
2 mi. w. of Byron
Comment
UCD32384
Platystemon californicus
Beecher Crampton
1950-4-22
528
Contra Costa
Contra Costa County, above Judsonville, above old Empire Mine to south around top of hills.
182
Comment
JEPS4797
Plectritis ciliosa subsp. ciliosa
W. L. Jepson
1922-5-23
9665
Contra Costa
Mount Diablo
Comment
UC691528
Plectritis ciliosa subsp. insignis
Mary L. Bowerman
1931-3-8
558
Contra Costa
above mouth of Mitchell Canyon (Mount Diablo); Mount Diablo
457
Comment
UC28871
Plectritis macrocera
Jos. Burtt Davy
1901-4-21
Contra Costa
Wildcat Canyon
Comment
UC74929
Plectritis macrocera
C. F. Baker
1903-4-28
2813
Contra Costa
Mount Diablo, Mitchell's Canyon Mount Diablo; Pacific Coast, , Mitchell's Canyon
Comment
UC2028569
Pleuropogon californicus
Barbara Ertter with Brad Olson, Jim Shevock, et al.
1997-3-19
15517
Contra Costa
Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood.
Comment
UC39496
Pleuropogon californicus
W. H. Brewer
1862-5-1
1043
Contra Costa
Walnut Creek
Comment
UC400145
Pleuropogon californicus
Ynes Mexia
1929-4-21
2388
Contra Costa
junction of Franklin Canyon
Comment
CAS-BOT-BC260942
Pleuropogon californicus var. californicus
W. H. Brewer
1862-5-1
1043
Contra Costa
Walnut Creek
Comment
CAS-BOT-BC260943
Pleuropogon californicus var. californicus
W. H. Brewer
1862-5-1
1043
Contra Costa
Walnut Creek
Comment
POM313147
Pleuropogon californicus var. californicus
S. Galen Smith, Peter Kamb, Francia Chisaki
1951-4-14
1978
Contra Costa
Margins of small pond 0.2 miles south of junction of highways 4 and 21, 7 miles north of Walnut Creek.
Comment
UCD90186
Pleuropogon californicus var. californicus
R. Tofsrud
1946-4-1
s.n.
Contra Costa
Concord airfield.
Comment
CDA8487
Pluchea odorata
D. G. Kelch, A. G. Murdock
2004-7-9
4 .311
Contra Costa
Carquinez Strait Region; Pacheco Marsh. Pacheco Hill Marsh west of Pacheco Slough.
Comment
CAS-BOT-BC261042
Poa
D. E. Breedlove
1971-5-14
19338
Contra Costa
Along Sierra Vista Way, Lafayette
Comment
UCD36910
Poa annua
Beecher Crampton
1956-5-14
3374
Contra Costa
5 miles south of city of Antioch, on Empire Mine Drive, at head of Horse Valley.
Comment
UCD90264
Poa annua
A. A. Beetle
1942-3-22
2926
Contra Costa
Brooks Island in San Francisco Bay.
Comment
SEINET10593459
Poa annua
Alan A. Beetle
1942-3-22
Beetle 2926
Contra Costa
Brooks Island, San Francisco Bay, near Richmond.
Comment
CDA35481
Poa bulbosa
Ed Finley
1992-4-9
PDR# 962398
Contra Costa
Morgan Territory Regional Preserve, near Mt. Diablo.
0
Comment
CAS-BOT-BC246647
Poa howellii
Mary L. Bowerman
1933-6-3
2247
Contra Costa
Mount Diablo. Meridian Peak summit: ridge north of lower junction of one-way roads
Comment
POM205468
Poa howellii
Jos Burtt Davy
1899-4-19
7853
Contra Costa
Las Trampas Creek
Comment
UC912661
Poa howellii
Herbert L. Mason
1928-4-15
4350
Contra Costa
e end Moraga Ridge
Comment
UCD91103
Poa howellii
Beecher Crampton
1956-5-14
3396
Contra Costa
along Marsh Creek, Morgan Territory, southeast of Mt. Diablo.
Comment
POM301052
Poa secunda
Mary L. Bowerman
1935-5-18
3031
Contra Costa
Meridian Peak north of the summit parking area
1067
Comment
CDA9433
Poa secunda
D. G. Kelch
2002-5-2
s.n.
Contra Costa
Altamont Hills; Corral Hollow Rd.
0
Comment
CAS-BOT-BC236386
Poa secunda subsp. secunda
Mary L. Bowerman
1933-4-15
1869
Contra Costa
Mount Diablo. Canyon S of Arroyo del Cerro: Rocky knoll 250 feet below spring
Comment
CAS-BOT-BC236391
Poa secunda subsp. secunda
A. A. Beetle
1941-3-23
1713
Contra Costa
1 mile E of St. Mary's College
182
Comment
CAS-BOT-BC236395
Poa secunda subsp. secunda
D. E. Breedlove
1970-4-18
17551
Contra Costa
At the N edge of Lafayette above Laurel Drive
243
Comment
CAS-BOT-BC236396
Poa secunda subsp. secunda
J. W. Stacey
1934-3-21
34069
Contra Costa
Marsh Creek, 6 miles E of Clayton
Comment
UC1037102
Poa secunda subsp. secunda
Leo Whitney
1935-4-21
3058
Contra Costa
1 mi nw Corral Hollow
Comment
UC38696
Poa secunda subsp. secunda
J. Burtt Davy
1895-4-8
898
Contra Costa
Antioch
Comment
UC691169
Poa secunda subsp. secunda
Mary L. Bowerman
1933-6-3
2237
Contra Costa
summit Meridian Peak (Ransom Point trail); Mt Diablo
Comment
UC70972
Poa secunda subsp. secunda
unknown
Contra Costa
Region of Mt Diablo
Comment
UC70975
Poa secunda subsp. secunda
H. M. Hall
1901-3-17
1661
Contra Costa
Pt Richmond
Comment
UC768489
Poa secunda subsp. secunda
R. F. Hoover
1941-4-11
4834
Contra Costa
Marsh Creek Canyon
Comment
CAS-BOT-BC236385
Poa secunda subsp. secunda
Mary L. Bowerman
1935-5-18
3028
Contra Costa
Mount Diablo. N of the summit parking area
1036
Comment
CDA32646
Poa secunda subsp. secunda
A. A. Beetle
1941-3-28
1721
Contra Costa
Orinda
0
Comment
UC2028547
Poa secunda subsp. secunda
Barbara Ertter
1998-4-4
15951
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo, grasslands along creek south of Indian Valley School.
Comment
SEINET13947037
Pogogyne
Joseph Andorfer Ewan
1936-1
9694
Contra Costa
W slope of Bald Peak, San Pablo Ridge
Comment
JEPS107077
Pogogyne serpylloides
Barbara Ertter, Lisa Schultheis
1995-4-27
14017
Contra Costa
Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; head of west facing scrub-filled draw (east of golf-course).
Comment
RSA0022141
Pogogyne serpylloides
Mary L. Bowerman
1931-5-21
876
Contra Costa
Curry Canon. Hard, open flat by Olafsons barn
274
Comment
UC691511
Pogogyne serpylloides
Mary L. Bowerman
1932-4-9
1322
Contra Costa
Inner Black Hills: Firebreak on large spur which heads into Sycamore Canyon
Comment
UC691516
Pogogyne serpylloides
Mary L. Bowerman
1931-5-21
876
Contra Costa
Curry Canyon: Hard open flat by Olafson's barn
274
Comment
UC1988939
Pogogyne zizyphoroides
R. F. Hoover
1941-4-12
4842
Contra Costa
2 mi S of Antioch
Comment
CDA34157
Polycarpon tetraphyllum
D. G. Kelch, D. A. Weinstein
2011-6-3
11 .569
Contra Costa
Carquinez Strait Region.; Martinez.
Comment
JEPS99991
Polygonum arenastrum
A. Langston
2003-9-16
AL 88
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS51308
Polygonum aviculare subsp. aviculare
W. L. Jepson
1891-5-24
Contra Costa
Mt. Diablo
Comment
CDA31465
Polygonum aviculare subsp. buxiforme
D. G. Kelch
2006-8-12
6 .376
Contra Costa
Carquinez Strait; Martinez. Along Alhambra Creek near train station.
Comment
CDA2790
Polygonum cuspidatum
R. DeBoer
1969-5-9
Contra Costa
West side of parking lot, Rexal Park Pharmacy, 3716 San Pablo Dam Road, El Sobrante.
0
Comment
UC1818918
Polygonum lapathifolium
Barbara Ertter
1995-8-19
14503
Contra Costa
Edge of Cerrito Creek on north side of Albany Hill, south edge of El Cerrito; dense weeds at edge of sluggish water.
Comment
RSA309337
Polypodium californicum
Edward Lee, C. Belshaw
1935-12-28
1706
Contra Costa
Southwest-facing slope, Las Trampas Ridge, Las Trampas Peak
442
Comment
JEPS79503
Polypodium calirhiza
Edward Lee with C. Belshaw
1935-12-28
1706
Contra Costa
Las Trampas Ridge Las Trampas Peak
441
Comment
UC1222107
Polypodium calirhiza
Joseph Andorfer Ewan
1934-3-10
8657
Contra Costa
1/2 mi below Orinda rd. bridge; Wildcat Canyon
Comment Read comments Aug 23 2009
UC1478304
Polypodium calirhiza
Alan R. Smith with Tom Lemieux
1981-11-19
826
Contra Costa
n slope Mt. Diablo (creekside ravine along North Gate Rd., 3.6 mi w of (below) Park HQ (South Gate Rd. junction); Mt. Diablo State Park
640
Comment
UC1541044
Polypodium calirhiza
Dick Moe
1985-2-24
Contra Costa
Red Rock Isl.; San Francisco Bay
Comment
UC1948930
Polypodium calirhiza
William J. Ferlatte, L. Maynard Moe
1970-4-27
1235
Contra Costa
San Francisco Bay: Red Rock Island
Comment
JEPS79616
Polypodium calirhiza
Edward Lee
1979-4-26
Contra Costa
prospector's jeep trail Devil's Elbow; Mt. Diablo
Comment
UC1819024
Polypogon interruptus
Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers
1996-5-11
14634
Contra Costa
Little Pine Creek at northwest foot of Mt. Diablo, along trail connecting North Gate Road to Castle Rock Road, Diablo Foothills Regional Park; along stream above stable, riparian vegetation.
91
Comment
UC691207
Polypogon interruptus
Mary L. Bowerman
1936-8-17
3528
Contra Costa
Sulphur Spring in Pine Canyon Mount Diablo; , Pine Canyon, Sulphur Spring
137
Comment
CDA2351
Polypogon monspeliensis
A. A. Beetle
1941-6-24
1750
Contra Costa
Point Richmond on San Francisco Bay
0
Comment
RSA484484
Polypogon monspeliensis
A. A. Beetle
1941-6-24
s.n.
Contra Costa
Point Richmond on San Francisco Bay.
Comment
SBBG689
Polypogon monspeliensis
A. A. Beetle
1941-6-24
1750
Contra Costa
Point Richmond on San Francisco Bay
Comment
UC691910
Polypogon monspeliensis
Mary L. Bowerman
1932-11-19
1656
Contra Costa
Lower Grapevine Spring Mount Diablo; , Lower Grapevine Spring
Comment
UCD37370
Polypogon monspeliensis
Beecher Crampton
1959-9-3
5453
Contra Costa
Contra Costa County, 2 miles north of city of Orinda, Bear Creek, East Bay Municipal Utilities District Project.
Comment
CAS-BOT-BC232580
Polypogon monspeliensis
Niall McCarten; V. I. Daina
1986-6-1
04141057 5
Contra Costa
E of Byron Highway, N of Clifton Court Road
Comment
UCD91299
Polypogon monspeliensis
Beecher Crampton
1959-9-3
5453
Contra Costa
Contra Costa County, 2 miles north of city of Orinda, Bear Creek.
Comment
RSA720803
Polypogon viridis
Mary L. Bowerman
1975-9-14
s.n.
Contra Costa
Mount Diablo. Muddy rivuley coming from leak in pipe near Chase Pond.
Comment Read comments Jun 30 2011
UC2013044
Polypogon viridis
Barbara Ertter with Mary Bowerman, Lisa Schultheis
1996-7-5
14917
Contra Costa
Northwest base of Mount Diablo, access to Foothills Regional Park from North Gate road along Little Pine Creek.
Comment
CAS-BOT-BC76718
Polystichum lemmonii
C. G. Pringle
1881-8-20
s.n.
Contra Costa
Mountains about eh head waters of the Sacramento River
Comment
CAS-BOT-BC76719
Polystichum lemmonii
C. G. Pringle
1881-8-19
s.n.
Contra Costa
Mountains about eh head waters of the Sacramento River
Comment
JEPS100004
Populus fremontii
A. Langston
2003-9-16
AL 91
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC1925893
Populus fremontii
Donald G. Nelson
1937-4-29
514
Contra Costa
Road from Pinole south towards Alhambra Road.
Comment
UC406993
Populus fremontii subsp. fremontii
Ira L. Wiggins
1930-4-18
4602
Contra Costa
se side Jersey Island (Levee bank); se side of Jersey Island
Comment
CHSC106700
Potamogeton diversifolius
Barbara Ertter; Brad Olson
1991-9-28
10839
Contra Costa
San Pablo Reservoir between Orinda and El Sobrante, in shallow water at S end of reservoir.
91
Comment
UC2029168
Potamogeton pectinatus
Barbara Ertter
2000-7-16
17399
Contra Costa
Lower Pine Creek in Diablo Foothills Regional Park.
Comment
CAS-BOT-BC143055
Potentilla anserina subsp. pacifica
Walter Knight; Joanne Dean
1978-8-14
3169
Contra Costa
Browns Island
Comment
SEINET3840785
Proboscidea lutea
Unknown
2006-8-6
6 .359
Contra Costa
Alhambra Valley road, between Castro Ranch road and Bear Creek road, along the edge of a plowed field
80
Comment
UC2012969
Prunus cerasifera
Barbara Ertter with Tony Morosco
1996-7-27
15033
Contra Costa
Mount Diablo State Park, lower Donner Creek at old cabin site.
Comment
UC2028038
Prunus dulcis
Barbara Ertter
1998-3-7
15931
Contra Costa
Dan Cook Canyon on southwest side of Mount Diablo.
Comment
UC12809
Prunus subcordata
H. P. Chandler
1900-3-24
Contra Costa
Briones Hills Region of Mount Diablo
Comment
JEPS111736
Pseudognaphalium beneolens
D. G. Kelch
2004-9-2
04 .345
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive Steep road-cut. Alhambra Road. South of Green St.
3
Comment
CDA42365
Pseudognaphalium californicum
D. G. Kelch, Vince Guise
2012-7-26
12 .232
Contra Costa
El Sobrante; Circle Dr.
Comment
CAS-BOT-BC357594
Pseudognaphalium stramineum
Walter Knight; I. Knight; J. T. Howell; E. McClintock; S. Rae; B. Doyle
1978-9-5
3237
Contra Costa
Browns Island
Comment
UC1584688
Pseudognaphalium thermale
Jerry Powell
Jul 14 1987-Jul 30 1987
1505
Contra Costa
Point Molate Beach Point Molate Beach (chaparral and grassy meadow on bluffs above Bay edge)
Comment
SEINET3875499
Pseudotsuga menziesii
James K. Detling
1963-3-21
40
Contra Costa
Near Glorietta School, Orinda.; 0
30
Comment
UC1745623
Psilocarphus brevissimus var. brevissimus
Annetta M. Carter
1951-5-13
3055
Contra Costa
3.3 mi. S of Byron.
Comment
CAS-BOT-BC361831
Psilocarphus oregonus
J. H. Thomas
1953-4-25
3000
Contra Costa
2 miles SW of Brentwood
Comment
CDA29229
Psilocarphus tenellus
D. G. Kelch
2005-5-13
05 .272-D
Contra Costa
Carquinez Strait; Above and west of Edwards Canyon, nr Crockett.
Comment
CHSC116615
Psilocarphus tenellus
Lowell Ahart; Josephine Guardino
2016-4-19
20795
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides of the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
JEPS40518
Psilocarphus tenellus
W. L. Jepson
1922-5-11
9635
Contra Costa
n Berkeley Hills; North Berkeley Hills
Comment
UC694157
Psilocarphus tenellus
Herbert L. Mason
1932-4-15
6926
Contra Costa
summit of Road Moraga to Lafayette
Comment Read comments Oct 6 2006
RSA600819
Psoralea physodes
Joseph A. Ewan
1934-4-8
8752
Contra Costa
Mt. Diablo: Marsh Creek.
243
Comment
POM278390
Ptelea baldwinii subsp. crenulata
Lyman D. Benson
1931-3-18
2668
Contra Costa
Martinez; Mt Range: South Coast; Watershed: Sacramento River.
91
Comment
POM138974
Ptelea baldwinii subsp. crenulata
M. S. Baker
1904-6-22
s.n.
Contra Costa
Mt. Diablo above Walkers.
Comment Read comments Mar 6 2011
CAS-BOT-BC148627
Ptelea crenulata
Alice Eastwood
1915-5-30
4440
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC148634
Ptelea crenulata
Rimo Bacigalupi
1926-4-30
1354
Contra Costa
Near summit of Mt. Diablo
Comment
CAS-BOT-BC148639
Ptelea crenulata
W. L. Jepson
1918-6-5
7603 a
Contra Costa
Mt. Diablo, Donner Canyon
Comment
JEPS40166
Ptelea crenulata
H. L. Mason
1928-3-31
Contra Costa
Mt. Diablo
Comment
UC1277976
Ptelea crenulata
B. Crampton
1957-7-9
4273
Contra Costa
2-3 mi nw Martinez (slopes above the Carquinez Straits)
Comment
UC1614255
Ptelea crenulata
Charles M. Belshaw
1935-6-10
696
Contra Costa
Morgan Territory Rd.
Comment
UC692585
Ptelea crenulata
Mary L. Bowerman
1935-6-1
3099
Contra Costa
gully e Mitchell-Pine divide; Mount Diablo
975
Comment
UC85434
Ptelea crenulata
Katharine Brandegee
1907-6-16
Contra Costa
hills back of Antioch
Comment
UCR17982
Ptelea crenulata
Dr. H. de Forest
1930-4-6
s.n.
Contra Costa
San Francisco Bay Region, SE of Nortonville, SW of Antioch, east of Concord
274
Comment
CAS-BOT-BC148620
Ptelea crenulata
Ethel Wickes
1917-6-1
s.n.
Contra Costa
Unspecified
Comment
CAS-BOT-BC76619
Pteridium aquilinum
Mary L. Bowerman
1930-8-24
426
Contra Costa
Mount Diablo - Mitchell Canyon, lower trail (west of stream)
259
Comment
UC2043241
Pteridium aquilinum var. pubescens
Barbara Ertter with David Gowen
2015-2-22
22227
Contra Costa
Alder Creek below Green Ranch at road crossing, Mount Diablo SE of summit.
Comment
UC2070583
Pteridium aquilinum var. pubescens
Barbara Ertter with Joanne Kerbavaz, David Gowen, Mike Park and Victoria Seidman
2004-4-22
18365
Contra Costa
Alder Creek crossing on Green Ranch Road, south side of Mount Diablo summit.
Comment
JEPS57983
Pterostegia drymarioides
W. L. Jepson
1923-4-22
9867
Contra Costa
Mt. Diablo
Comment
UC1198069
Pterostegia drymarioides
Joseph P. Tracy
1934-4-30
13191
Contra Costa
near Lafayette
152
Comment
CDA33808
Pterostegia drymarioides
D. G. Kelch
2010-5-15
10 .117
Contra Costa
Mt. Diablo. Trail from Juniper Camp to Deer Flat.
0
Comment
CAS-BOT-BC239827
Puccinellia simplex
Niall McCarten; V. I. Dains
1986-6-1
03261200 9
Contra Costa
(Highline reach 12-15) near Brushy Cr., empties into Clifton Ct. Forebay
Comment
UC2027759
Pyracantha angustifolia
Barbara Ertter
1997-1-5
15433
Contra Costa
Ygnacio Valley Road crossing Lime Ridge on northwest side of Mount Diablo.
Comment
JEPS112099
Pyracantha crenatoserrata
D. G. Kelch
2005-5-13
05 .246
Contra Costa
Martinez. South of oil refinery along Railroad tracks in fragment of habitat
28
Comment
UC5818
Quercus
H. P. Chandler
1900-3-24
Contra Costa
Orinda Prak Mount Diablo
Comment
UC1543202
Quercus
Donald G. Nelson
1939-12-3
642
Contra Costa
n of Clayton (hillside opposite crest of trail from old brick ruin at coal mine)
Comment
POM301006
Quercus X morehus
Mary L. Bowerman
1935-10-26
3349
Contra Costa
0.1 mile by road above Silver Spring, 50 feet from road.
860
Comment
CAS-BOT-BC45661
Quercus agrifolia
Mary L. Bowerman
1933-4-22
1905
Contra Costa
Curry-Cave Point trail: By water-trough, Mount Diablo
457
Comment
CAS-BOT-BC45663
Quercus agrifolia
Mary L. Bowerman
1930-6-3
225
Contra Costa
West road, 1.9 miles from west entrance, Mount Diablo
Comment
JEPS37717
Quercus agrifolia
W. L. Jepson
1907-4-26
2648 b
Contra Costa
Mt. Diablo
Comment
POM210976
Quercus agrifolia
Joseph A. Ewan
1933-10-15
8027
Contra Costa
SW slope of Mt Diablo
1067
Comment
UC1135337
Quercus agrifolia
G. T. Nordstrom
1937-11-15
1412
Contra Costa
2.6 mi E.S.E. Round Valley
457
Comment
UCD17437
Quercus agrifolia
E. Dean; M. Bowerman, B. Ertter, J. Tucker, J. Kerbavaz
2000-9-13
659
Contra Costa
California. Contra Costa County: Mount Diablo State park, along Knobcone Point Road, just east of balancing rock, upslope of road.
548
Comment
UCD45040
Quercus agrifolia
J. M Tucker
1946-3-14
1375
Contra Costa
Small tree ca. 15 feet tall; sunny southeast-faicng slope, on border of redwood grove associated with Ceanothus thyrsiflorus and Baccharis; Redwood Peak, ca. 200 yards south of summit, Contra Costa County, California.
Comment
UCD45129
Quercus agrifolia
John Thomas Howell
1950-7-5
26638
Contra Costa
Small tree, Nortonville, Contra Costa Co.
Comment
UCSC010011
Quercus agrifolia var. agrifolia
Al Keuter
2014-5-23
AK 00 -095
Contra Costa
Along Wildcat Canyon Road on the northeast side of the hills behind Berkeley
168
Comment
UC691301
Quercus berberidifolia
Mary L. Bowerman
1933-5-19
2142
Contra Costa
Sulphur Spring Canyon, e fork Mount Diablo
457
Comment
UC691312
Quercus berberidifolia
Mary L. Bowerman
1935-11-30
3355
Contra Costa
Fossil Ridge Mount Diablo
Comment
RSA0041717
Quercus berberidifolia
Mary L. Bowerman
1930-10-19
490
Contra Costa
South road at Garden-of-the-Gods (Fossil Ridge).
Comment
UC1135389
Quercus chrysolepis
R. W. Lundh
1933-3-13
212
Contra Costa
0.75 mi nw Pinehurst; Concord Quad.
304
Comment
UCSB23056
Quercus chrysolepis
McMinn, Howard
1922-6-2
Contra Costa
Near summit of Mt. Diablo
Comment
RSA476582
Quercus douglasii
Bonnie C. Templeton
1962-6-20
s.n.
Contra Costa
Mount Diablo
Comment
UC1748011
Quercus garryana
E. Dean, M. Bowerman, B. Ertter, J. Tucker, J. Kerbavaz
2000-9-13
654
Contra Costa
Fossil Ridge, just upslope of South Gate Rd., just W of Gibralter Rock, SE of Rock City Mount Diablo State Park
487
Comment
JEPS111966
Quercus ilex
D. G. Kelch
2005-5-13
05 .237
Contra Costa
Martinez Martinez. South of oil refinery along Railroad tracks in fragment of habitat
28
Comment
CDA23636
Quercus lobata
D. G. Kelch
2007-10-6
7 .628
Contra Costa
Carquinez Strait; Fernandez Ranch. Muir Land Trust Property 4.5 km W of Rodeo.
Comment
SEINET12034644
Quercus lobata
M. T. Doutt
1930-1
81
Contra Costa
Marsh Creek,6 mi E of Clayton
Comment
RSA388013
Quercus palmeri
J. M. Tucker
1981-4-25
4453 -B
Contra Costa
Antonio Souza Ranch, SW of Byron.
309
Comment
UCR141754
Quercus parvula var. shrevei
Ellen Dean, Et al.
2000-9-13
653
Contra Costa
City of El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Rd., just south of junction of Heavenly Ridge Trail and Manzanita Trail, along Manzanita Trail
213
Comment
CAS-BOT-BC104717
Quercus wislizeni
Le Roy Abrams
1910-10-8
4354
Contra Costa
Mt. Diablo summit
1158
Comment
UC5707
Quercus wislizeni
W. H. Brewer
1861-9-25
843
Contra Costa
Mount Diablo
Comment
UC691292
Quercus wislizeni
Mary L. Bowerman
1933-9-30
2448
Contra Costa
e end Meridian Flat (e of Pioneer Camp); Mount Diablo
Comment
UCD47649
Quercus wislizeni var. frutescens
John M. Tucker
1941-9-26
410
Contra Costa
Summit of Moraga Ridge, Contra Costa County, California.
Comment Read comments Sep 13 2011
CAS-BOT-BC362446
Rafinesquia californica
Volney Rattan
1887-5-22
s.n.
Contra Costa
Alhambra Val.
Comment
UC691446
Rafinesquia californica
Mary L. Bowerman
1930-6-14
327
Contra Costa
little below summit Meridian Peak; Mount Diablo, little below summit of Meridian Peak
Comment
CAS-BOT-BC362445
Rafinesquia californica
Brandegee
No date on label
s.n.
Contra Costa
Mt Diablo
Comment
UC691953
Ranunculus aquatilis
Mary L. Bowerman
1931-4-4
662
Contra Costa
pool w Turtle Rock; Mount Diablo
Comment
POM270021
Ranunculus aquatilis var. capillaceus
Mary L. Bowerman
1933-3-18
1754
Contra Costa
Pool W of Turtle Rock (can be seen from top of rock) covering a considerable area of the bottom of the dried up pool
Comment
JEPS112060
Ranunculus californicus
D. G. Kelch
2005-4-15
05 .138
Contra Costa
Rodeo Creek 100 ms west of previous site
100
Comment
POM268431
Ranunculus californicus
Lyman Benson
1931-3-18
2664
Contra Costa
Martinez; Mt Range: South Coast; Watershed: Sacramento River.
91
Comment
UC1300986
Ranunculus californicus
Helen K. Sharsmith
1962-3-25
4912
Contra Costa
hills between Happy Valley and Alhambra Valley; San Francisco Bay Region
304
Comment
UC2027730
Ranunculus canus
Barbara Ertter with Brad Olson, Jim Shevock, et al.
1997-3-19
15505
Contra Costa
Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood.
Comment
POM268457A
Ranunculus canus
Mary L. Bowerman
1931-3-21
587
Contra Costa
Sycamore Canyon: semi shady grassy spot, alt 1100ft. Contra Costa County
335
Comment
RSA0027697
Ranunculus canus
Barbara J. Ertter, Stu Garrett
1997-3-29
15523
Contra Costa
West side Mount Diablo, Burma Road above North Gate Road.
Comment
POM268449
Ranunculus canus var. laetus
Lyman Benson
1935-3-16
6272
Contra Costa
Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek.
244
Comment
CDA1152
Ranunculus hebecarpus
D. G. Kelch, A. G. Murdock
2005-5-1
5 .188
Contra Costa
Carquinez Strait; Crockett; Edwards Canyon.
Comment
UC9445
Ranunculus hebecarpus
Geol. Survey
1862-1
1049
Contra Costa
Mt. Diablo; foothills
Comment
JEPS102904
Ranunculus lobbii
Barbara Ertter with Mary Bowerman
1995-5-7
14035
Contra Costa
pond W of Three Springs trail on NE side of mouuntain Mount Diablo
304
Comment
SEINET9161829
Ranunculus lobbii
B. Ertter, D. Gowen
2006-3-1
18665
Contra Costa
Upper San Leandro Reservoir Watershed (EBMUD) S of Moraga, along SE end of Rocky Ridge Road as it drops to King Canyon Road.
180
Comment
UCSB2072
Ranunculus occidentalis
Hand, B.
1960-4-9
Contra Costa
2.9 miles from south gate on Mt. Diablo Road, Mt. Diablo.
Comment
RSA85297
Ranunculus occidentalis var. ultramontanus
F. W. Peirson
1925-7-1
6171
Contra Costa
Wood borders, State Line, Lake Tahoe
Comment Read comments Feb 10 2013
JEPS107131
Ranunculus sceleratus
Barbara Ertter, Kristin Ertter
1995-7-11
14485
Contra Costa
West side of Mt Diablo SW of Walnut Creek; mudflat around inlet to Pine Pond.
Comment
POM313443
Ranunculus sceleratus
H. L. Mason
1937-6-21
11547
Contra Costa
0.5 mile from the S end of Borden Hwy and 1.5 miles W of Byron.
Comment
CDA23557
Raphanus sativus
D. G. Kelch
2008-3-3
8 .03
Contra Costa
Carquinez Strait; Crockett. Under Zampa (Carquinez) Bridge.
Comment
UC2028317
Raphanus sativus
Barbara Ertter, Susan D'Alcamo
1998-6-12
16160
Contra Costa
North Gate Road on west flank of Mount Diablo, dogleg in road above ranches opposite Angel Kerley trailhead.
Comment
CDA4905
Rhamnus alaternus
Barbara Ertter, D. Gowen
2006-4-14
18667
Contra Costa
Lime Ridge Open Space at northwest base of Mt. Diablo; north side of Ygnacio Valley Road near culvert for major draw at bend in road.
0
Comment
SEINET13946276
Rhamnus californica
Charles M. Belshaw
1425
Contra Costa
Sierra Nevada, Las Trampas Ridge; 400 ft alt.
122
Comment
JEPS41994
Rhamnus californica subsp. californica
W. L. Jepson
1899-10-7
13975
Contra Costa
near Bald Peak (s Contra Costa County); Berkeley
Comment
SEINET12210181
Rhamnus crocea var. ilicifolia
M. T. Doutt
1930-1
s.n.
Contra Costa
Marsh Creek
Comment
HSC101957
Rhamnus ilicifolia
Nikolaus Gillen, Michelle Bihler
2014-3-20
9
Contra Costa
Mount Diablo State Park. Back Creek Trail.
340
Comment
UC1121873
Rhamnus ilicifolia
R. W. Lundh
1932-8-15
127
Contra Costa
1 mi w Round Valley; Mt. Diablo Quad.
228
Comment
UC692597
Rhamnus tomentella subsp. tomentella
Mary L. Bowerman
1933-9-3
2419
Contra Costa
s of Meridian-North Peak saddle; Mount Diablo
Comment
UC692599
Rhamnus tomentella subsp. tomentella
Mary L. Bowerman
1933-5-21
2152
Contra Costa
s of Curry Canyon (Grapevine Spring gulley, slightly above the spring); Mount Diablo
Comment
UC692576
Rhus trilobata
Mary L. Bowerman
1935-5-30
3092
Contra Costa
Eagle Point Ridge; Mount Diablo
350
Comment
POM300719
Rhus trilobata var. pilosissima
Mary L. Bowerman
1933-3-25
1776
Contra Costa
Emmons Canyon, off Stone Valley
Comment
RSA128347
Ribes californicum
Peter H. Raven
1950-3-5
1408
Contra Costa
Happy Valley Road, 2.8 miles above intersection with Upper Happy Valley road.
244
Comment
UC1127406
Ribes californicum
R. W. Lundh
1932-8-25
143
Contra Costa
Mt. Diablo Mt. Diablo Quadrangle
Comment
UCSB2606
Ribes californicum var. californicum
Keator, Glenn
1959-7-1
Contra Costa
About 2 mile above Laurel camp; on Mt. Diablo
Comment
JEPS116744
Ribes divaricatum var. pubiflorum
David Gowen
2007-3-22
666
Contra Costa
Huckleberry Preserve at the south end of the parking lot.
Comment
CAS-BOT-BC168917
Ribes malvaceum
Mrs. E. C. Sutliffe
1920-5-30
s.n.
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC168924
Ribes malvaceum
John Thomas Howell
1923-11-12
243
Contra Costa
Mt. Diablo
Comment
HSC45325
Ribes malvaceum
J. P. Smith, J. O. Sawyer, Thomas W. Nelson
1978-2-18
9520
Contra Costa
Mt. Diablo State Park, Juniper Campground along Gate Rd.
Comment
RSA0021633
Ribes malvaceum
H. de Forest
1930-3-28
s.n.
Contra Costa
Mt. Diablo, 1 mi. from summit.
Comment
RSA0021635
Ribes malvaceum
J. T. Howell
1926-3-7
1667
Contra Costa
Mt. Diablo.
Comment
UC691266
Ribes menziesii
Charles Fakler
1944-8-4
3897
Contra Costa
Juniper Camp area Mount Diablo
Comment
UC692236
Ribes menziesii
Mary L. Bowerman
1931-4-19
739
Contra Costa
Deer Flat, near spring by trail at upper end of flat Mount Diablo
Comment
CAS-BOT-BC206015
Ribes menziesii
Mary L. Bowerman
1931-4-19
739
Contra Costa
Mount Diablo. Deer Flat
Comment
JEPS116868
Ribes menziesii
David Gowen
2007-9-1
790
Contra Costa
Huckleberry Regional Preserve. Along trail descending to canyon bottom near trail junction above creek.
Comment
CAS-BOT-BC209361
Ribes sanguineum var. glutinosum
Peter H. Raven
1950-3-5
1399
Contra Costa
Redwood Canyon
152
Comment
CAS-BOT-BC362961
Rigiopappus leptocladus
Mary L. Bowerman
1933-5-10
2061
Contra Costa
Mount Diablo. Ridge at east end of, and south of, Meridian Flat
822
Comment
CAS-BOT-BC362966
Rigiopappus leptocladus
M. K. Curran
1884-5-1
36
Contra Costa
Antioch
Comment
UC691502
Rigiopappus leptocladus
Mary L. Bowerman
1933-5-10
2064
Contra Costa
ridge below Indian Ceremonial Spring; Mount Diablo
Comment
CAS-BOT-BC362965
Rigiopappus leptocladus
Brandegee
No date on label
s.n.
Contra Costa
Antioch
Comment
CDA25732
Romulea rosea
D. G. Kelch, D. A. Weinstein
2008-3-3
8 .025
Contra Costa
East Bay.; Richmond. Wildcat Canyon Park. Alvarado Unit (W end).
Comment
CHSC116620
Rorippa palustris var. occidentalis
Lowell Ahart; Josephine Guardino
2016-4-19
20771
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. Below the high water line of Los Vaqueros Reservoir, 1.4 miles northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
144
Comment
UC1795617
Rosa
Barbara Ertter
1993-4-2
11481
Contra Costa
along railroad west of Crockett at west edge of Carquinez Straits
Comment
UC1584666
Rosa californica
Jerry Powell
1990-8-29
1593
Contra Costa
on riverine floodplain Antioch National Wildlife Reguge
Comment
UC1952819
Rosa californica
Barbara Ertter with David Gowen
2010-11-17
20700
Contra Costa
southeast part of Lime Ridge Open Space (City of Walnut Creek(, mid slope of east-facing drainage below Crystyl Ranch Trail ca 1/4 mi N of jct Paraiso Trail
Comment
UC630419
Rosa californica
Paule Guiguet and Annetta Carter
1939-8-13
1450
Contra Costa
se Clayton; Mount Diablo drainage, Donner Creek
152
Comment
JEPS45678
Rosa gymnocarpa
W. L. Jepson
1894-10-1
13887
Contra Costa
Moraga Valley
Comment
UC691148
Rosa gymnocarpa
Mary L. Bowerman
1931-5-21
887
Contra Costa
Curry-Cave Point trail Mount Diablo (where streambed forks and on w fork)
441
Comment
CAS-BOT-BC148206
Rosa spithamea
Alice Eastwood
1923-5-4
11705
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC156577
Rubus ulmifolius
Walter Knight; Joanne Dean
1978-8-14
3164
Contra Costa
Browns Island
Comment
JEPS47707
Rubus ursinus
W. L. Jepson
1943-6-8
20845
Contra Costa
on ne slope Moraga Ridge (near the foot of trail that goes up the hill at n end to summit); ne slope of Moraga Ridge
Comment
UC1948959
Rubus ursinus
William J. Ferlatte, L. Maynard Moe
1970-4-27
1243
Contra Costa
San Francisco Bay: Red Rock Island
Comment
UC2032842
Rubus ursinus
Doran, Andrew Scott
2012-3-20
713
Contra Costa
North east side of Brooks Island
Comment
JEPS75495
Rumex acetosella
P. F. Yorks
1976-5-31
510
Contra Costa
ca 1.4 km s Bear Creek Road (on Hampton Road in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve
180
Comment
POM300578
Rumex acetosella
Mary L. Bowerman
1935-5-18
3016
Contra Costa
Road above Indian Ceremonial Spring, roadbank at hairpin turn
Comment
UC692167
Rumex conglomeratus
Mary L. Bowerman
1930-8-24
420
Contra Costa
Mitchell Canyon Mount Diablo
Comment
CDA22901
Rumex crispus
D. G. Kelch
2006-7-14
6 .33
Contra Costa
Carquinez Strait; Along Marine Vista Ave immmediately west of Pacheco Slough. East of Martinez.
Comment
UC692169
Rumex crispus
Mary L. Bowerman
1935-5-30
3082
Contra Costa
Donner Canyon stream Mount Diablo
152
Comment
UCD164880
Rumex crispus
Henry House
1995-5-20
1995- 14
Contra Costa
Adjacent to Walnut Blvd., approximately 1.25 km south of Marsh Creek Road.
30
Comment
JEPS99968
Rumex pulcher
G. Smick
2003-5-10
GAS 206
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC1328158
Rumex pulcher
Olive Dyer
1936-10-18
100
Contra Costa
about 0.5 mi below junction Wildcat Creek and Wildcat-Orinda road; Wildcat Canyon
Comment
CDA15232
Rumex salicifolius var. crassus
G. F. Hrusa, D. Crowe
1998-5-8
14361
Contra Costa
Sacramento Delta; E end of Dow Chemical property at Pittsburg.
Comment
JEPS41049
Rumex salicifolius var. salicifolius
Rimo Bacigalupi, and L. R. Heckard
1965-5-11
9074
Contra Costa
sw of Richmond (w side of Brooks Island); San Francisco Bay, Brooks Island
6
Comment
UC692209
Rumex salicifolius var. salicifolius
Mary L. Bowerman
1935-10-26
3346
Contra Costa
2 rd mi e Mount Diablo west entrance; Mount Diablo
228
Comment
UC2028968
Rumex transitorius
Barbara Ertter with Brad Olson et al.
2000-6-2
17299
Contra Costa
north side Brushy Peak Regional Preserve NE of Livermore.
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
UC16326
Rupertia physodes
unknown
1032
Contra Costa
Mount Diablo
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
POM118953
Ruppia cirrhosa
Edward Palmer
2673
Contra Costa
Byron Hot Springs.
Comment
CDA23066
Sagina apetala
D. G. Kelch, D. A. Weinstein
2008-5-5
8 .094
Contra Costa
Carquinez Strait; Richmond. W Chevy s Hill. N parking lot of Hilltop Mall.
Comment
CHSC116611
Sagina apetala
Lowell Ahart; Josephine Guardino
2016-4-19
20774
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
UC1795720
Sagina apetala
Barbara Ertter, Chris Thayer
1995-4-25
13991
Contra Costa
Southeast side of Mt. Diablo northeast of Danville; Devil's Slide area of Sycamore Canyon, roadside thru chaparral zone.
304
Comment
UC1818945
Sagina apetala
Barbara Ertter, Mary Bowerman, Lisa Schultheis
1995-3-31
13943
Contra Costa
Mount Diablo State Park, lower end of Mitchell Canyon south of Clayton, oak woodland/grassland open flat area on east side of stream not far from trail head.
182
Comment
CDA23461
Salicornia pacifica
T. C. Fuller
1965-11-24
14323
Contra Costa
South side of Byron Hot Springs Road, 0.6 mile southwest of Byron-Tracy Highway, ca. 1 mile southwest of Byron.
0
Comment
UC69370
Salix
Wm. W. Mott
1905-3-1
Contra Costa
n.e. corner San Pablo Ave. & McAvoy Lane
Comment
CAS-BOT-BC129909
Salix bonplandiana
Alice Eastwood
1921-4-18
10305
Contra Costa
Antioch
Comment
CAS-BOT-BC129921
Salix bonplandiana
Barrett Anderson
1987-4-29
3476
Contra Costa
Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD.
125
Comment
CAS-BOT-BC129918
Salix bonplandiana
Mary L. Bowerman
1933-4-15
1854
Contra Costa
Mount Diablo - canyon south of Arroyo del Cerro
Comment
CAS-BOT-BC107875
Salix gooddingii
Ira L. Wiggins
1930-4-18
4591
Contra Costa
Jersey Island
Comment
CAS-BOT-BC104086
Salix hindsiana
Mary L. Bowerman
1935-5-30
3080
Contra Costa
By Donner Canyon stream
152
Comment
CAS-BOT-BC104085
Salix hindsiana
Mary L. Bowerman
1936-5-6
3412 a
Contra Costa
Mitchell Canyon
152
Comment
JEPS111537
Salix laevigata
D. G. Kelch
2005-5-6
05 .221
Contra Costa
Franklin Canyon; East of Christie Road. South of Route 4.
Comment
JEPS112249
Salix laevigata
A. G. Murdock
283
Contra Costa
Refugio Valley
120
Comment
POM181438
Salix laevigata
I. L. Wiggins
1930-4-18
4603
Contra Costa
Jersey Island.
Comment
UC691923
Salix laevigata
Mary L. Bowerman
1933-5-21
2162 a
Contra Costa
stream bed immediately below thimbleberry patch in Sulphur Spring fork; Mt. Diablo, Sulphur Spring Canyon
Comment
UC692052
Salix laevigata
Mary L. Bowerman
1931-3-1
530
Contra Costa
near w. entrance = N. Gate Mt. Diablo
Comment
CAS-BOT-BC125142
Salix lasiandra var. lasiandra
W. W. Mott
1905-3-11
s.n.
Contra Costa
unspecified
Comment
CDA33974
Salix lasiolepis
D. G. Kelch
2011-3-31
11 .08
Contra Costa
Carquinez Region; Richmond; Hilltop Lake Park.
Comment
UC1196651
Salix lasiolepis
Joseph P. Tracy
1932-9-10
10785
Contra Costa
Rodeo Creek Northern Coast Ranges (on Franklin Canyon Rd.)
60
Comment
UC692065
Salix lasiolepis
Mary L. Bowerman
1935-6-21
3142
Contra Costa
Arroyo del Cerro Mount Diablo (e fork)
259
Comment
UC499339
Salix lasiolepis
Mary L. Bowerman
1933-3-25
1777
Contra Costa
back of Diablo Stock Farm; Stone Valley, Emmons<?> Canyon
274
Comment
CAS-BOT-BC129554
Salix lasiolepis var. lasiolepis
Walter Knight
1965-3-1
s.n.
Contra Costa
Antioch dunes, by water's edge - Carquinez Straights
Comment
CAS-BOT-BC129559
Salix lasiolepis var. lasiolepis
Alice Eastwood
1914-3-6
s.n.
Contra Costa
Redwood Canyon
Comment
CAS-BOT-BC129562
Salix lasiolepis var. lasiolepis
Alice Eastwood
1914-2-24
3728
Contra Costa
Antioch
Comment
UC1950181
Salsola soda
Barbara Ertter with Elizabeth Neese
1988-10-15
7980
Contra Costa
W of I-580 in El Cerrito, W side along Rydin Road N of Central Avenue
Comment
UC32581
Salvia carduacea
Chesnut and Drew
1889-4-18
Contra Costa
Antioch
Comment
JEPS62658
Salvia columbariae
W. L. Jepson
1922-5-23
9661
Contra Costa
Mt. Diablo San Francisco Bay (vicinity of San Francisco Bay)
Comment
UC634924
Salvia columbariae
H. L. Mason
1929-3-29
5121
Contra Costa
Mt. Diablo
762
Comment
UCLA70075
Salvia columbariae
Lewis S. Rose
1935-5-16
35168
Contra Costa
Mt. Diablo
Comment
SEINET13947331
Salvia columbariae
Lewis S. Rose
1935-1
35168
Contra Costa
Mt. Diablo
Comment
RSA15471
Salvia mellifera
Alice Eastwood, J. T. Howell
1936-4-19
s.n.
Contra Costa
Nortonville.
Comment
UC63772
Salvia mellifera
H. M. Hall
1901-4-4
1751
Contra Costa
Mt. Diablo; San Francisco Bay Region
670
Comment
RSA0068492
Salvia mellifera
Katie Gallagher, Nick Jensen
2014-4-26
182
Contra Costa
Las Trampas Regional Wilderness.
365
Comment
CAS-BOT-BC235007
Sambucus
Alice Eastwood
1921-4-18
10304
Contra Costa
Antioch
Comment
CAS-BOT-BC238634
Sambucus nigra subsp. caerulea
Barrett Anderson
1987-4-30
3487
Contra Costa
Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD
125
Comment
UCD150884
Sambucus nigra subsp. caerulea
James A. Neilson Jr.
1972-11-9
s.n.
Contra Costa
Walnut Creek drainage. Elevation estimated using Google Earth by label maker.
1
Comment
UC1178021
Samolus parviflorus
Herbert L. Mason
1955-7-14
14634
Contra Costa
1/2 mi e of Antioch Bridge
Comment
UC2027896
Samolus parviflorus
Barbara Ertter
1996-9-19
15296
Contra Costa
Antioch Marina, tidal edge of delta, with tule, cattails, Phragmites.
Comment
UC2062644
Sanicula bipinnatifida
Barbara Ertter with Dan Norris
2001-4-8
17588
Contra Costa
Lime Ridge Open Space east of Walnut Creek.
Comment
UC536009
Sanicula crassicaulis
Laurence S. Jones
1934-4-8
55
Contra Costa
Mount Diablo approximately 3 mi surface distance from peak Mount Diablo
609
Comment
RSA0027881
Sanicula crassicaulis
Barbara Ertter, Holly C. Forbes
1997-4-20
15563
Contra Costa
North base of Mount Diablo, Eagle Peak Trail on NE side of Eagle Ridge below Twin Peaks.
Comment
UC2027911
Sanicula crassicaulis
Barbara Ertter with Dan Norris
2001-4-8
17577
Contra Costa
Lime Ridge Open Space east of Walnut Creek, high part of main ridge.
Comment
UCD127982
Sanicula crassicaulis
P. B. Kennedy
1925-4-26
s.n.
Contra Costa
near Sycamore Canon Trail, Mt. Diablo.
Comment
SBBG122982
Sanicula saxatilis
B. Ertter et al.
1991-4-7
9728
Contra Costa
Eagle Pk on Mt Diablo
Comment
UC1949240
Sanicula tuberosa
Barbara Ertter with Michelle Seidl
1992-3-14
10914
Contra Costa
Morgan Territory Regional Preserve east of Mount Diablo; along Blue Oak Trail
Comment
CDA7922
Satureja douglasii
D. G. Kelch, A. G. Murdock
2005-1-16
5 .003
Contra Costa
Carquinez Strait; Dutra fire road.
Comment
JEPS100052
Satureja douglasii
G. Smick
2003-6-6
GAS 213
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS68967
Saxifraga californica
Edward Lee
1935-3-10
1300
Contra Costa
s watershed of Kirker Creek (Nortonville); , Kirker Creek
Comment
UC1745553
Scandix pecten-veneris
Annetta M. Carter, Florence Dickson, Howard Custer
1939-5-30
1441
Contra Costa
0.8 mi. S of Lafayette.
121
Comment
UC692380
Scandix pecten-veneris
Mary L. Bowerman
1931-4-11
706
Contra Costa
Mount Diablo, mouth of Pine Canyon Pine Canyon; Mount Diablo, Pine Canyon
Comment
UCD151158
Schedonorus arundinaceus
James A. Neilson Jr.
1972-11-2
3552
Contra Costa
Walnut Creek drainage at State Highway 4. Elevation estimated using Google Earth by label maker.
1
Comment
JEPS125931
Schinus molle
D. W. Taylor
2001-3-1
17609
Contra Costa
1 mile W of Pittsburg, along the abandoned tracks of the Sacramento Northern Railroad, ca 500 m W of the Pittsburg Power Plant.
Comment
UCD150918
Schinus molle
James A. Neilson Jr.
1972-10-27
3620
Contra Costa
Clayton, C4. Elevation estimated using Google Earth by label maker.
121
Comment
UC2027847
Schinus molle
Barbara Ertter, Mary Bowerman
1996-11-1
15401
Contra Costa
North base of Mount Diablo, near Donner Canyon trailhead at end of Regency Drive.
Comment
CAS-BOT-BC7627
Schoenoplectus acutus var. occidentalis
Walter Knight; Joanne Dean
1978-8-14
3185
Contra Costa
Browns Island.
Comment
JEPS46490
Scirpus
W. L. Jepson
1919-1-5
8201
Contra Costa
Antioch San Joaquin River (on beach)
Comment
UC692193
Scirpus acutus var. occidentalis
Mary L. Bowerman
1938-9-17
3715
Contra Costa
by the rivulet and in the marsh Big Spring Mount Diablo, Big Spring
731
Comment
CDA39144
Scirpus microcarpus
D. G. Kelch
2003-4-13
3 .137
Contra Costa
Carquinez Strait; Pinole Creek.
Comment
UC584351
Scribneria bolanderi
G. L. Stebbins Jr.
1937-5-1
2112
Contra Costa
1 mi s of Summerfield (Summerfield=Somersville, at the head of Walker Canyon; due s of Antioch)
Comment
UC2027718
Scrophularia californica
Barbara Ertter with Brad Olson, Jim Shevock, et al.
1997-3-19
15520
Contra Costa
Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood.
Comment
UC1713660
Scutellaria tuberosa
Herbert L. Mason
1928-4-15
4342
Contra Costa
top of Moraga Ridge
Comment
SEINET3153355
Scutellaria tuberosa
L. S. Rose
1940-4-30
40250
Contra Costa
Marsh Creek, 4 mi. E of Clayton
91
Comment
JEPS48062
Sedum spathulifolium
W. L. Jepson
1918-6-5
7610
Contra Costa
summit North Peak (Mt. Diablo); , summit of North Peak
1066
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
JEPS79322
Senecio flaccidus var. douglasii
Edward Lee with Annetta Carter
1935-8-17
1634
Contra Costa
Antioch
Comment
UC1584828
Senecio hydrophilus
Jerry Powell
1990-8-29
1588
Contra Costa
Antioch National Wildlife Refuge
Comment
JEPS37435
Senecio sylvaticus
W. L. Jepson
1943-4-24
20762
Contra Costa
vicinity San Francisco Bay; Oakland Hills, Moraga Ridge
Comment
UC335828
Senecio triangularis
unknown
Contra Costa
near Mt. Diablo; near Mt. Diablo
Comment Read comments Feb 11 2013
UC407393
Senecio vulgaris
Ira L. Wiggins
1930-4-18
4597
Contra Costa
n end Jersey Island; n end Jersey Island
Comment
CAS-BOT-BC364552
Senecio vulgaris
Alice Eastwood
1923-5-4
11725
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC364553
Senecio vulgaris
Ira L. Wiggins
1930-4-18
4597
Contra Costa
Levee, n. end of Jersey Island
Comment
CAS-BOT-BC80262
Sequoia sempervirens
H. M. Hall
1902-3-4
2700
Contra Costa
San Leandro Creek
Comment
SEINET3876310
Sequoia sempervirens
Michael R. Tansey
1963-2-21
12
Contra Costa
North end of Jewel Lake, Tilden Regional Park.; 0
152
Comment
UC1555371
Sidalcea malviflora subsp. laciniata
Jerry Powell
1988-4-1
1530
Contra Costa
Point Molate Richmond (in w Richmond)
Comment
UC692533
Silene verecunda subsp. platyota
Mary L. Bowerman
1935-6-1
3108
Contra Costa
largest ridge between Ransom Point ridge and Mitchell-Pine divide (Mount Diablo); , btw Ransom Point ridge and Mitchell-Pine div
1066
Comment
CDA28920
Silybum marianum
D. G. Kelch, Troy MacGregor
2009-5-24
9 .297
Contra Costa
Carquinez Strait; Carquinez Loop Trail S of Ozol, S-SW of Martinez, nr Wolcott Ln .
Comment
UCR16901
Silybum marianum
M. Wexler
1973-5-22
s.n.
Contra Costa
El Sobrante, across the street from the intersection of Jo-lin Ct. and Valley View Rd.
45
Comment
CAS-BOT-BC364795
Silybum marianum
Walter Knight; Bob Doyle; Wayne Roderick; Steve Edwards
1978-9-19
3252
Contra Costa
Browns Island. South Landing
Comment
SEINET10760843
Silybum marianum
Bonnie C. Templeton
1962-6-24
Templeton s.n.
Contra Costa
on the road to Mt. Diablo
Comment
JEPS100011
Sinapis arvensis
G. Smick
2003-4-8
GAS 131
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UCD115424
Sinapis arvensis
R. Koch
1996-4-20
2
Contra Costa
city of Danville, free space by Mt. Diablo State Park.
121
Comment
JEPS100078
Sisymbrium officinale
G. Smick
2003-5-30
GAS 207
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
CAS-BOT-BC75281
Sisymbrium officinale
Mary L. Bowerman
1935-5-1
2939
Contra Costa
Mount Diablo. West road 2 miles from entrance, across the creek.
Comment
OBI70547
Sisymbrium orientale
D. G. Kelch
2008-3-30
8 .027
Contra Costa
Carquinez Strait: Crockets under Zampa (Carquinez) bridge
14
Comment
CDA21559
Sisyrinchium bellum
D. G. Kelch, D. A. Weinstein
2008-4-25
8 .075
Contra Costa
Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland.
Comment Read comments Jan 7 2016
CDA39388
Smilacina stellata
A. G. Murdock
2004-4-3
246
Contra Costa
Vaca Canyon.
Comment
JEPS112504
Smilacina stellata
A. G. Murdock
2004-4-30
246
Contra Costa
Vaca Canyon
165
Comment
UC2032802
Solanum furcatum
Doran, Andrew Scott
2012-3-20
672
Contra Costa
Brooks island loading dock, North side of island.
Comment
CAS-BOT-BC83606
Solanum umbelliferum
J. McMurphy
1910-4-9
s.n.
Contra Costa
Antioch
Comment
JEPS99576
Solanum umbelliferum
Mary Bowerman
1975-5-11
Contra Costa
Mount Diablo, Back Creek.
Comment
POM280561
Solanum umbelliferum
Lyman D. Benson
1931-3-18
2658
Contra Costa
Martinez; Mt Range: South Coast; Watershed: Sacramento River.
91
Comment
UC691749
Solanum umbelliferum
Mary L. Bowerman
1930-6-5
258
Contra Costa
Mount Diablo, West Road = North Road, 5.8 mi from entrance Mount Diablo
457
Comment
UCR142470
Solanum umbelliferum
Dr. H. de Forest
1930-4-6
s.n.
Contra Costa
San Francisco Bay Region, SE of Nortonville, SW of Antioch, east of Concord
274
Comment
UCD127020
Solanum umbelliferum
Laurence S. Jones
1934-4-8
s.n.
Contra Costa
Mount Diablo.
609
Comment
UC1051129
Solanum xanti
N. Floy Bracelin
1945-7-22
2583
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
CAS-BOT-BC364902
Solidago velutina subsp. californica
John Thomas Howell
1925-10-20
1525
Contra Costa
Moraga Ridge
Comment
UC691808
Solidago velutina subsp. californica
Mary L. Bowerman
1930-8-24
434
Contra Costa
Mitchell Canyon , Mitchell Canyon (Mount Diablo)
Comment
UCD163099
Solidago velutina subsp. californica
Robert E. Preston
2014-5-28
2966
Contra Costa
Morgan Territory, 3 mi SW of Los Vaqueros Reservoir.
290
Comment
UC1999894
Solidago velutina subsp. californica
J. C. Semple, B. A. Suripto, T. Ahmed
1990-8-16
9338
Contra Costa
E of Berkeley, Berkeley Hills, Grizzly Peak Rd., disturbed area in formley [formerly] wooded slope N of road.
Comment
SEINET11807909
Sonchus asper
W. Knight, Knight, I.
1988-1
6219
Contra Costa
Suisun Marsh
Comment
RSA760658
Sonchus oleraceus
William J. Ferlatte, L. Maynard Moe
1970-4-27
1222
Contra Costa
San Francisco Bay, Red Rock Island.
Comment
UCD92659
Sorghum halepense
Beecher Crampton
1970-3-10
8540
Contra Costa
Vasco Road S of Brentwood.
Comment
RSA720843
Spartina densiflora
Barbara Ertter, Richard K. Rabeler
1994-6-18
12835
Contra Costa
Point Pinole Regional Shoreline at north end of Richmond, beach on north side Whittell Marsh
Comment
UC1795711
Spartium junceum
Barbara Ertter, Gary Schoolcraft
1996-4-7
14582
Contra Costa
Molate Beach Park on San Francisco Bay north of San Rafael Bridge; entrance to Western Drive from I-580 east of toll station on San Rafael-Richmond Bridge, road bank
Comment
UCD99169
Spergula arvensis
P. B. Kennedy
1914-3-15
4658
Contra Costa
Sunset Cemetary.
Comment
HSC4243
Spergularia macrotheca
Greg Bos
1963-3-9
30
Contra Costa
Point Isabel, Richmond
3
Comment
UCSB61645
Spergularia macrotheca
Ertter, Barbara; Jokerst, Jim; Magney, David
1989-4-5
Contra Costa
SE Contra Costa CO.; alkali sink W and adjacent to Clifton Court Forebay, ca. 15 air miles SW of Stockton, T1S R3E Sec. 24 SESW, near sea level
Comment
CAS-BOT-BC390279
Spergularia macrotheca var. longistyla
Alice Eastwood
1923-4-28
11667
Contra Costa
Byron Springs
Comment
JEPS111787
Spergularia macrotheca var. macrotheca
D. G. Kelch
2005-3-24
05 .48
Contra Costa
Point Pinole Pt. Pinole near wharf
2
Comment
CDA15279
Spergularia marina
G. F. Hrusa, D. Crowe, R. York
1998-7-17
14717
Contra Costa
Sacramento Delta; E end of Dow Chemical property at Pittsburg.
Comment
UCD150899
Spergularia marina
James A. Neilson Jr.
1972-10-22
3504
Contra Costa
Walnut Creek drainage, near mouth of Walnut Creek. Elevation estimated using Google Earth by label maker.
0
Comment
UC2027786
Spergularia marina
Barbara Ertter with John Ginochio and Mary Bowerman
2001-5-8
17630
Contra Costa
Northwest flank of Mount Diablo, tributary of Galindo Creek on south side of knoll SW of Mount Zion.
Comment
CAS-BOT-BC213199
Sphaeralcea
Paul F. Covel
1936-5-17
259
Contra Costa
South of summit Mt. Diablo.
Comment
JEPS21817
Stachys ajugoides
J. Robison
1958-5-17
68
Contra Costa
Vacant lot on 6th St. Albany
7
Comment
UC416579
Stachys ajugoides var. rigida
Ivar Tidestrom
June, 1895
Contra Costa
Crockett
Comment
RSA762305
Stachys ajugoides var. rigida
William J. Ferlatte, L. M. Moe
1970-4-27
1224
Contra Costa
San Francisco Bay, Red Rock Island.
Comment
POM300999
Stachys bullata
Mary L. Bowerman
1933-5-18
2119
Contra Costa
Mount Diablo, Blackberry Spring.
Comment
JEPS99581
Stachys pycnantha
Mary Bowerman
1993-10-22
Contra Costa
Mount Diablo, Pine Pond.
Comment
UCD15026
Stachys rigida
Jennifer Roth
1979-4-29
27
Contra Costa
Clayton, CA, Russleman Park Road off Marsh Creek Road, Concord Mt. Diablo Trail Ride Assoc. grounds;
365
Comment
RSA0068488
Stachys rigida var. quercetorum
Katie Gallagher, Nick Jensen
2014-4-26
186
Contra Costa
Las Trampas Regional Wilderness.
396
Comment
UC71938
Stebbinsoseris heterocarpa
J. Burtt Davy
1895-4-7
960
Contra Costa
Antioch
Comment
JEPS100087
Stellaria media
S. O'Neil
2003-2-18
SEO 2
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC606744
Stellaria nitens
Edward Lee
1936-4-19
1969
Contra Costa
ne corner Red Rock; San Francisco Bay
Comment
UC2028153
Stellaria pallida
Barbara Ertter
1998-4-4
15958
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo.
Comment
UC692301
Stellaria pallida
Mary L. Bowerman
1935-4-19
2873
Contra Costa
about 7 mi from by rd Mount Diablo w entrance (= North Gate) (ridge w of power poles, above the road junction); Mount Diablo
670
Comment
SEINET238945
Stenotaphrum secundatum
Beecher Crampton
1966-10-18
7817
Contra Costa
Kensington Berkeley Hills Blake Garden UC Berkeley Department of landscape architecture.
Comment
CAS-BOT-BC375205
Stephanomeria elata
John Thomas Howell
1925-11-1
1544
Contra Costa
Moraga Ridge, Oakland Hills
Comment
UCD136361
Stephanomeria exigua subsp. coronaria
L. D. Gottlieb
1969-11-2
6959
Contra Costa
east of Antioch. West of Kaiser Gypsum Plant at Minaker and Wilbur Roads.
Comment
CAS-BOT-BC375767
Stephanomeria virgata
Lewis S. Rose
1938-10-28
38308
Contra Costa
Marsh Creek, 6 mi. e. of Clayton
152
Comment
RSA0029779
Stephanomeria virgata subsp. pleurocarpa
Barbara Ertter
2000-7-29
17439
Contra Costa
Donner Basin on north side of Mount Diablo, opening on lower end of Middle Trail between Meridian Ridge Road and first stream crossing.
366
Comment
UC2029082
Stephanomeria virgata subsp. pleurocarpa
Barbara Ertter
2000-7-29
17439
Contra Costa
Donner Basin on north side of Mount Diablo, opening on lower end of Middle Trail between Meridian Ridge Road and first stream crossing.
Comment
SEINET3130532
Stipa pulchra
J. B. Davy
1900-3-24
6519
Contra Costa
Point Richmond
Comment
UC2029191
Stipa pulchra
Barbara Ertter with Brad Olson et al.
2000-6-2
17298
Contra Costa
North side Brushy Peak Regional Preserve NE of Livermore
Comment
SEINET10926660
Stipa pulchra
Frank W. Gould
1941-4-20
Gould 1281
Contra Costa
Coastal bluffs near Richmond, associated with Melica californica.
Comment
CAS-BOT-BC87098
Streptanthus glandulosus subsp. glandulosus
John Thomas Howell
1942-7-19
17048
Contra Costa
Northeast of Deer Flat, Mount Diablo.
Comment
CAS-BOT-BC87099
Streptanthus glandulosus subsp. glandulosus
W. W. Carruth
1903-5-10
s.n.
Contra Costa
Mount Diablo.
Comment
UC592151
Streptanthus hispidus
H. L. Mason
1929-3-29
5120
Contra Costa
Mount Diablo
762
Comment
UCD116027
Streptanthus hispidus
Botany 102 Student
1974-4-13
s.n.
Contra Costa
Marsh Creek Road, near trail Ride ASSO, north peak of Mt. Diablo.
762
Comment
UC1950410
Stuckenia filiformis subsp. alpina
Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss
1991-8-18
10715
Contra Costa
Brown Island N of Pittsburg near confluence of Sacramento & San Joaquin rivers opposite Pittsburg Marina; at W end of island
Comment
UC2028382
Stuckenia pectinata
Barbara Ertter
1998-6-20
16251
Contra Costa
Shell Ridge Open Space on NW side of Mount Diablo, Gypsy Flat Pond SW of Old Borges Ranch. Also in Joaquin Pond
Comment
RSA755536
Stuckenia pectinata
Barbara Ertter, Lynne Hosley
1991-9-22
10824
Contra Costa
Lafayette Reservoir in hills SW of Lafayette
137
Comment
JEPS125637
Stuckenia striata
Daniel Slakey with CNPS Volunteers
2015-9-12
223
Contra Costa
Junction Suisun Bay and New York Slough, between Browns Island and Pittsburg Marina.
Comment
JEPS116497
Stylocline gnaphaloides
J. Greenhouse with John Game
2008-5-26
5128
Contra Costa
Lime Ridge Open Space, Paradise Canyon Trail above subdivision
Comment
JEPS65176
Stylomecon heterophylla
L. R. Heckard
1971-4-15
2491
Contra Costa
ca 1/2 mi e Patterson Pass; e of Patterson Pass
457
Comment
UC692106
Stylomecon heterophylla
Mary L. Bowerman
1932-5-6
1410
Contra Costa
w bank Mitchell Canyon Mount Diablo; , w bank Mitchell Canyon
182
Comment
RSA446230
Stylomecon heterophylla
H. de Forest
1930-4-6
s.n.
Contra Costa
[No location data on label]
Comment
SD58497
Suaeda californica
John H. Weiler
1961-4-9
6173
Contra Costa
On the east side of the road, 3.0 miles south of Byron.
Comment
CDA9506
Suaeda nigra
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .233
Contra Costa
Byron Airport.
Comment
CAS-BOT-BC269562
Symphoricarpos albus var. laevigatus
V. Rattan
1887-5-22
s.n.
Contra Costa
Alhambra Val.
Comment
UC1119922
Symphoricarpos albus var. laevigatus
N. French
1933-3-13
33
Contra Costa
above Shelton School, San Pablo; San Francisco Quad.
91
Comment
CAS-BOT-BC269559
Symphoricarpos albus var. laevigatus
Wosnessensky
1841-4-1
s.n.
Contra Costa
Unspecified
Comment
CAS-BOT-BC269563
Symphoricarpos albus var. laevigatus
Volney Rattan
1884-6-1
s.n.
Contra Costa
Unspecified
Comment
UC691622
Symphoricarpos mollis
Mary L. Bowerman
1933-5-21
2159
Contra Costa
ridge between two forks Sulphur Springs Canyon; Mount Diablo
426
Comment
CAS-BOT-BC97697
Symphyotrichum chilense
R. E. Frenkel
1964-6-20
591
Contra Costa
on Giant Road, 0.4 mile north of ATSF RR crossing, Richmond
15
Comment
UC1422530
Symphyotrichum lentum
Alice Q. Howard and W. R. Powell
1977-6-1
38
Contra Costa
Antioch Dunes, within PG&E-owned strip under eastern power line
Comment
UC1594169
Symphyotrichum lentum
Jerry Powell
1991-8-15
1613
Contra Costa
Antioch National Wildlife Refuge
Comment
UCD150914
Symphyotrichum lentum
James A. Neilson Jr.
1972-10-22
s.n.
Contra Costa
Walnut Creek drainage, west and south of railroad and leves. Elevation estimated using Google Earth by label maker.
3
Comment
UC2013057
Symphyotrichum subulatum
Barbara Ertter with CNPS
1990-9-16
9645
Contra Costa
NE Contra Costa Co.: Bethel Island NE of Brentwood, E end of Gateway Road at W edge of Franks Tract State Recreation Area.
Comment
UCD159500
Symphyotrichum subulatum var. parviflorum
D. S. Park
2010-9-11
250 -1
Contra Costa
Waterfront Rd. Growing along roadside. Disturbed. Wet.
5
Comment
CDA33665
Tamarix parviflora
Wil Schaub
2011-4-12
PDR# 1645187
Contra Costa
Brentwood: Camino Diablo & Vasco Road.
0
Comment
UCD96956
Tetragonia tetragonoides
G. Thomas Robbins
1958-7-19
3906
Contra Costa
Pt. Orient, San Francisco Bay, about 3/4 mile south of Pt. San Pablo, Potrero San Pablo, Richmond.
Comment
UC9708
Thalictrum fendleri var. polycarpum
J. Burtt Davy
1895-4-13
1010
Contra Costa
near San Pablo Creek
Comment
JEPS75487
Thysanocarpus curvipes
P. F. Yorks
1974-4-19
135
Contra Costa
on Hampton Road ca 1.8 km s of Bear Creek Road in Hampton Road Natural Reserve (n of Briones Reservoir); , n of Briones Reservoir
180
Comment
UC11035
Thysanocarpus curvipes
T. S. Brandegee
1890-1
Contra Costa
Antioch
Comment
CAS-BOT-BC88254
Thysanocarpus curvipes
John Thomas Howell
1934-4-8
11821
Contra Costa
Marsh Creek Road southwest of Brentwood.
Comment
RSA0069377
Thysanocarpus curvipes
Katie Gallagher, Nick Jensen
2014-4-26
212
Contra Costa
Las Trampas Regional Wilderness.
487
Comment
SEINET3840810
Thysanocarpus curvipes
Unknown
2004-3-13
4 .041
Contra Costa
Road along Marsh Creek road, about one and a half miles west of Dee}some information missing{
107
Comment
RSA0039448
Thysanocarpus curvipes var. curvipes
Howard de Forest
1930-4-6
s.n.
Contra Costa
Unspecified.
Comment
UC691139
Thysanocarpus laciniatus
Mary L. Bowerman
1932-3-27
1138
Contra Costa
Mount Diablo , below Mitchell Rock (below Mitchell Rock)
Comment
UC10983
Thysanocarpus laciniatus
W. H. Brewer
1862-5-14
1097
Contra Costa
dry rocky spurs Mount Diablo
Comment
JEPS99480
Torilis arvensis
Mary Bowerman
1975-6-7
Contra Costa
Mount Diablo. Big Spring.
Comment
UC1818959
Torilis arvensis
Barbara Ertter, Kristin Ertter
1995-7-11
14480
Contra Costa
Pine Creek on West side of Mt. Diablo southwest of Walnut Creek; partial shade of oak forest, road along Pine Cr. in Diablo Foothills Regional Park
152
Comment
JEPS111629
Torilis nodosa
D. G. Kelch
2005-5-1
05 .201
Contra Costa
Crockett - Edwards Canyon
100
Comment
RSA720806
Torilis nodosa
Barbara Ertter, Mary L. Bowerman
1995-6-11
14254
Contra Costa
Shell Ridge recreation area southeast of Walnut Creek, bank of Indian Creek above Indian Valley pond
76
Comment
UC606762
Toxicodendron diversilobum
Edward Lee
1936-4-19
2014
Contra Costa
bluffs along n.e. shore of Red Rock Isl.; San Francisco Bay, Red Rock Isl.
Comment
CAS-BOT-BC377055
Tragopogon dubius
R. E. Frenkel
1964-4-29
466
Contra Costa
On the south side of Ignacio Valley Road, 0.6 mile west of the junction with Marsh Creek Road
182
Comment
CHSC75068
Tragopogon porrifolius
Roger Thom
1987-5-18
11
Contra Costa
0.15 mi. from west intersection with Stanley Blvd. on Camino Diablo. Lafayette. Shoulder of road.
30
Comment
CDA4740
Tribulus terrestris
T. C. Fuller
1961-9-13
6999
Contra Costa
South of Highway 4, 0.1 miles west of Antioch Bridge Road, 2 miles west of Oakley.
0
Comment
SEINET13948210
Trichostema lanceolatum
Lewis S. Rose
1953-1
53095
Contra Costa
Mt. Diablo, W slope; 1600 ft alt.
488
Comment
RSA161241
Trifolium albopurpureum
Peter H. Raven, H. L. Mason, R. Ornduff
1957-4-4
10575
Contra Costa
Hill near road 6.3 miles W. of Byron.
Comment
UC137789
Trifolium albopurpureum var. dichotomum
C. F. Baker
1903-4-27
2797
Contra Costa
Byron
Comment
UC165535
Trifolium albopurpureum var. dichotomum
J. Burtt Davy
1895-1
949
Contra Costa
Antioch
Comment
JEPS107124
Trifolium albopurpureum var. olivaceum
Barbara Ertter, Tony Morosco, Lynne Hosley
1995-5-29
14225
Contra Costa
Mt. Diablo southeast of Walnut Creek, serpentine knoll ca 1/2 air-mile north of Curry Point.
487
Comment
UC148550
Trifolium albopurpureum var. olivaceum
Katharine Brandegee
1909-4-24
Contra Costa
Antioch
Comment
UC16604
Trifolium albopurpureum var. olivaceum
W. H. Brewer
1862-5-19
1111
Contra Costa
n Kirker Pass
Comment
UC2070467
Trifolium albopurpureum var. olivaceum
Barbara Ertter
2000-5-14
17002
Contra Costa
Lower Donner Canyon on north side of Mount Diablo, junction of Donner Canyon, Cardinet Oaks and Meridian Ridge Roads.
Comment
UCSC008382
Trifolium amplectens
Randall Morgan
1996-4-2
2851
Contra Costa
North East side of Byron, Highway 17, North of Byron Hot Springs Road
Comment
JEPS65769
Trifolium barbigerum
W. L. Jepson
1917-4-14
6866
Contra Costa
Oakland Hills, near Redwood Peak
Comment Read comments Dec 17 2008
CDA29497
Trifolium bifidum
D. G. Kelch, Troy MacGregor
2009-5-1
9 .273
Contra Costa
Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension.
Comment
CDA27905
Trifolium bifidum var. decipiens
D. G. Kelch, A. G. Murdock
2005-5-1
5 .199
Contra Costa
Carquinez Strait Region; Crockett - Edwards Canyon. Lower Edwards Canyon.
Comment
JEPS100110
Trifolium bifidum var. decipiens
G. Smick
2003-4-22
GAS 143
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC1607691
Trifolium bifidum var. decipiens
Barbara Ertter, Lynne Hosley
1993-4-17
11510
Contra Costa
ca 10 air mi ne Livermore (hills in lee of Mt. Diablo, along Blue Oak Trail); Morgan Territiry
Comment
JEPS127104
Trifolium campestre
Lowell Ahart, Josephine Guardino
2016-4-19
20755
Contra Costa
1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Spring USGS 7.5' Quad.
Comment
UC1795879
Trifolium campestre
Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers
1996-5-11
14640
Contra Costa
Little Pine Creek at northwest foot of Mt. Diablo, along trail connecting North Gate Road to Castle Rock Road, Diablo Foothills Regional Park; packed ground of trailside.
Comment
CDA29796
Trifolium ciliolatum
D. G. Kelch, Troy MacGregor
2009-5-1
9 .265
Contra Costa
Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension.
Comment
JEPS65796
Trifolium ciliolatum
W. L. Jepson
1925-4-26
10689
Contra Costa
Black Hills Mt. Diablo
Comment
UC630976
Trifolium depauperatum var. amplectens
unknown
1928-4-19
10043
Contra Costa
near Golf Links; Byron Hot Springs
Comment
UC2028085
Trifolium depauperatum var. depauperatum
Barbara Ertter, Tony Morosco
1998-4-12
15982
Contra Costa
Base of Mount Olympia on north side of Mount Diablo south side of lower end of Olympia Trail.
Comment
CHSC22680
Trifolium depauperatum var. truncatum
Robert A. Schlising
1962-4-7
2147
Contra Costa
Along roads near Antioch Reservoir.
Comment
UC1586032
Trifolium depauperatum var. truncatum
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8134
Contra Costa
w and adjscent to Clifton Court Forebay (ca 15 air mi sw of Stockton); ; SESW
0
Comment
SD37270
Trifolium dichotomum
Mc Callum
1933-4-25
2140
Contra Costa
Low hills near Tassajara
Comment
UC1618358
Trifolium dubium
Barbara Ertter, Chris Thayer
1993-5-7
11713
Contra Costa
1/2 mi n of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land e of Tilden Park (s of Wildcat Canyon Road); East Bay Municipal Utilities District land
Comment
UC1607614
Trifolium fragiferum
Barbara Ertter, Brad Olson
1993-8-8
12199
Contra Costa
sw San Ramon; Bishop Ranch Regional Open Space
Comment
JEPS65864
Trifolium fucatum
W. L. Jepson
1896-5-29
13720
Contra Costa
Wild Cat Creek Berkeley
Comment
UC16539
Trifolium fucatum
J. Burtt Davy
1900-3-24
6532
Contra Costa
Stege
Comment
UC555454
Trifolium fucatum
H. L. Mason
1929-3-31
5143
Contra Costa
Briones Valley
Comment
UC1541574
Trifolium fucatum
H. E. and S. T. Parks
1930-4-1
542
Contra Costa
along hwy (in ditches); San Ramone
Comment
UC419042
Trifolium fucatum
H. E. and S. T. Parks
1930-4-1
542
Contra Costa
along hwy (in ditches); San Ramone
Comment
CHSC116604
Trifolium glomeratum
Lowell Ahart; Josephine Guardino
2016-4-19
20758
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of Los VaquerosReservoir Marina, 2.1 miles (air) southwest of Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
JEPS127042
Trifolium glomeratum
Lowell Ahart, Josephine Guardino
2016-4-19
20758
Contra Costa
1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad.
Comment
UC16548
Trifolium gracilentum
Harley P. Chandler
1901-4-5
957
Contra Costa
Mount Diablo
Comment
UC33592
Trifolium gracilentum
J. P. Tracy
1900-3-24
622
Contra Costa
Point Richmond
15
Comment
UC692683
Trifolium gracilentum
Mary L. Bowerman
1933-5-9
2046
Contra Costa
Stage Rd Mount Diablo
853
Comment
RSA61570
Trifolium gracilentum
J. T. Howell
1933-5-14
11249
Contra Costa
Hills east of St. Marys college
Comment
JEPS100106
Trifolium microcephalum
G. Smick
2003-5-1
GAS 164
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC692250
Trifolium microcephalum
Mary L. Bowerman
1935-4-12
2814
Contra Costa
2 mi from entrance (= Northgate) (w rd (=n rd)); Mount Diablo
259
Comment
POM300695
Trifolium microcephalum
Mary L. Bowerman
1935-4-19
2871
Contra Costa
Road about 7 miles from North Gate, ridge west of the power poles, above the road junction.
701
Comment
UC692254
Trifolium microdon
Mary L. Bowerman
1935-5-1
2933
Contra Costa
2 mi from entrance (West Road (=North Road)); Mount Diablo, West Road (=North Road)
182
Comment
UC1606302
Trifolium microdon
Barbara Ertter, Chris Thayer
1993-5-7
11711
Contra Costa
ca 1/2 mi n Vollmer (=Bald) Peak (east of Tilden Park, grazing land on lower slopes of Wildcat Canyon Rd); East Bay Municipal Utilities District land
Comment
UC692641
Trifolium obtusiflorum
Mary L. Bowerman
1935-5-25
3077
Contra Costa
Rhine Canyon Mount Diablo (side of gully containing streamlet)
914
Comment
UC630888
Trifolium oliganthum
Mrs. K. Brandegee
may 1907
Contra Costa
Antioch
Comment
SEINET10577416
Trifolium tridentatum var. tridentatum
A. Arthur Heller
1908-4-16
Heller s.n.
Contra Costa
Sand hills east of Antioch
23
Comment
UC165546
Trifolium variegatum var. melananthum
Ivar Tidestrom
1895-4-13
Contra Costa
near Lafayette
Comment
CDA28080
Trifolium willdenovii
D. G. Kelch, A. G. Murdock
2005-4-24
5 .167
Contra Costa
Carquinez Strait Region; Franklin Canyon. Collier Hill. West Carbon.
Comment
OBI12643
Trifolium willdenovii
W. L. Jepson
1925-4-26
10691
Contra Costa
Mt. Diablo
Comment
SEINET7096740
Trifolium willdenovii
A. G. Vestal
1955-4-1
3586
Contra Costa
Ca. 1.9 miles west of Byron on the Camino Diablo Road. NAD27, 37? deg. 51' 45ao, -121?_ 40' 26ao (converted to WGS84 decimal degrees)
Comment
UC55885
Trifolium willdenovii
H. M. Hall
1901-3-22
1705
Contra Costa
Martinez
Comment
UC650439
Trifolium willdenovii
Ira L. Wiggins
1930-4-17
4575
Contra Costa
1/4 mi s Byron
Comment
UC725897
Trifolium willdenovii
A. A. Heller
1938-4-9
15017
Contra Costa
3 mi sw Antioch (from type region)
Comment
UCD109510
Trifolium willdenovii
A. A. Beetle
1939-4-12
1770
Contra Costa
Pinole.
Comment
UC508
Triglochin striata
Jos. Burtt Davy
1900-6-7
6676
Contra Costa
Martinez
Comment
JEPS111766
Triodanis biflora
Christopher Thayer
1995-6-5
Contra Costa
Pinole Peak
304
Comment
JEPS11780
Triodanis biflora
Mary L. Bowerman
1933-5-18
2130
Contra Costa
w Blackberry Spring (Mount Diablo); , w of Blackberry Spring
Comment
JEPS100142
Triphysaria pusilla
G. Smick
2003-3-25
GAS 76
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS23260
Triphysaria pusilla
G. Thomas Robbins
1959-4-26
4004
Contra Costa
about 1/4 mi n San Pablo Oil Tank Farm (open slope about 1 mi ne of Giant)
15
Comment
UC691571
Triphysaria pusilla
Mary L. Bowerman
1931-3-29
615
Contra Costa
foot of Cave Point Ridge Mount Diablo; , foot of Cave Point Ridge
Comment
UC2070608
Trisetum canescens
Barbara Ertter with Debra Trock
2005-6-25
18609
Contra Costa
North end Redwood Regional Park, Stream Trail along Redwood Creek.
Comment
JEPS112499
Triteleia hyacinthina
D. G. Kelch
2004-4-26
04 .145
Contra Costa
Pt. Pinole.
1
Comment
CDA9474
Triteleia laxa
D. G. Kelch
2004-3-13
4 .039
Contra Costa
East Bay; Corner of Deer Valley Rd. and Briones Valley Rd.
Comment
UC130929
Triteleia laxa
Katharine Brandegee
1909-4-24
Contra Costa
Antioch
Comment
CAS-BOT-BC522175
Triteleia laxa
John Thomas Howell
1931-5-12
6468
Contra Costa
Oakland Hills
Comment
POM203716
Triteleia laxa
J. T. Howell
1931-5-12
6468
Contra Costa
Oakland Hills
Comment
SD39092
Triteleia laxa
Mc Callum
1933-4-24
3700
Contra Costa
Adobe field near wlnut Creek.
Comment
SEINET3889041
Triteleia laxa
John Thomas Howell
1931-5-12
6468
Contra Costa
Oakland Hills.; 0
Comment
JEPS17167
Tropidocarpum capparideum
S. Galen Smith and Donald Stone
1957-3-30
2867
Contra Costa
3 mi se Byron (far western end of field just n of the Holey Road); Byron Road
5
Comment
UC191739
Tropidocarpum capparideum
Edward Lee Greene
1888-3-24
Contra Costa
Byron Spring
Comment
SEINET8727865
Tropidocarpum capparideum
Robert F. Hoover
1936-1
806
Contra Costa
Byron Hot Springs.
Comment
CAS-BOT-BC67401
Tropidocarpum gracile
Alice Eastwood
1914-2-24
3742
Contra Costa
Antioch.
Comment
CAS-BOT-BC67407
Tropidocarpum gracile
Lewis S. Rose
1934-3-21
34066
Contra Costa
6 miles east of Clayton.
Comment
UC136962
Tropidocarpum gracile
K. Brandegee
April, 1889
Contra Costa
Antioch
Comment
UC14397
Tropidocarpum gracile
Chesnut and Drew
1889-4-15
Contra Costa
Martinez
Comment
UC673302
Tropidocarpum gracile
H. L. Mason
1932-3-20
6842
Contra Costa
Antioch sand hills
Comment
JEPS123184
Tropidocarpum gracile
David Gowen
2009-5-12
1021
Contra Costa
East of Las Trampas Ridge on Del Amigo Trail, near saddle northeast of junction with Sulpher Springs Trail.
Comment
CDA1419
Typha angustifolia
D. G. Kelch, Andrew G. Murdock
2003-8-13
3 .105
Contra Costa
Carquinez Strait Region; Martinez Marsh.
Comment
JEPS111911
Typha angustifolia
Dean G. Kelch and Andrew G. Murdock
2004-5-28
AGM 281
Contra Costa
Refugio Valley.
Comment
JEPS111913
Typha angustifolia
Dean G. Kelch and Andrew G. Murdock
2004-5-28
AGM 298
Contra Costa
Luzon.
Comment
UC2028448
Typha angustifolia
Barbara Ertter with Chris Thayer
1996-10-25
15386
Contra Costa
West side of Mount Diablo, North Gate Road 0.4 road miles below junction, Jill Creek
Comment
UC2028519
Typha latifolia
Barbara Ertter
1996-11-24
15429
Contra Costa
West side of Mount Diablo, Pine Pond along Stage Road in Pine Canyon.
Comment
JEPS111915
Ulmus glabra
Dean G. Kelch and Andrew G. Murdock
2004-9-2
DGK 04 .341
Contra Costa
Martinez (Ozol) CA East of Ozol.
Comment
UC2031410
Ulmus minor
Barbara Ertter
1993-4-2
11479
Contra Costa
Carquinez Regional Park below Vista Road west of Crockett
Comment
CDA24512
Umbellularia californica
D. G. Kelch
2007-3-24
7 .082
Contra Costa
Carquinez Strait; Ozol; between Port Costa and Martinez, near old brick quarry.
Comment
SEINET5339125
Umbellularia californica
P. Del Monte
1976-3-28
s.n.
Contra Costa
Morgan territory road, 1 mile North of Curry Creek Park.
122
Comment
UC691782
Uropappus lindleyi
Mary L. Bowerman
1933-5-18
2137
Contra Costa
Mount Diablo
Comment
RSA0024903
Urtica
Peter Rubtzoff
1968-9-18
5963
Contra Costa
North Gate Road, ca. 5 miles northwest of Mt. Diablo State Park north entrance.
Comment
JEPS111920
Urtica dioica subsp. holosericea
Dean G. Kelch and Andrew G. Murdock
2004-5-7
DGK 04 .197
Contra Costa
Canada del Cierbo.
Comment
JEPS77019
Vaccinium ovatum
Robert M. Lloyd
1963-3-17
2145
Contra Costa
0.5 mi e intersection of Grizzly Peak Road and Skyline Drive (on Skyline (across from 7090 Skyline), Huckleberry trail)
Comment
UC1050826
Verbascum
N. Floy Bracelin
1941-6-1
1346
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC2029171
Verbena lasiostachys var. scabrida
Barbara Ertter
2000-7-16
17409
Contra Costa
Pine Creek on WNW base of Mount Diablo.
Comment
UC1819009
Verbena lasiostachys var. scabrida
Barbara Ertter, Tony Morosco, Lynne Hosley
1995-5-29
14231
Contra Costa
South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland.
487
Comment
POM181452
Veronica peregrina subsp. xalapensis
I. L. Wiggins
1930-4-17
4581
Contra Costa
1/4 mi. S. of Byron.
Comment
UC1050160
Viburnum cylindricum
N. Floy Bracelin
1943-10-24
2368
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC1005836
Viburnum suspensum
N. Floy Bracelin
1945-5-27
2852
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
CDA23061
Vicia americana
D. G. Kelch, D. A. Weinstein
2008-4-25
8 .086
Contra Costa
Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland.
Comment Read comments Jan 7 2016
CDA23620
Vicia americana
D. G. Kelch, D. A. Weinstein
2008-4-15
8 .041
Contra Costa
Carquinez Strait; S Port Costa along Mckewen Rd.
Comment
JEPS77007
Vicia gigantea
Robert M. Lloyd
1963-3-17
2135
Contra Costa
0.5 mi e intersection of Grizzly Peak Road and Skyline Drive (on Skyline Drive (across from 7090 Skyline), Huckleberry trail); Huckleberry trail
Comment
UC1300884
Vicia sativa subsp. nigra
Helen K. Sharsmith
1962-4-18
4958
Contra Costa
Reliez Valley Road; San Francisco Bay Region
152
Comment
CDA4394
Vicia sativa subsp. sativa
D. G. Kelch, A. G. Murdock
2005-3-11
5 .068
Contra Costa
Carquinez Strait Region; Chevy s Hill.
Comment
UCD108957
Vicia sativa subsp. sativa
G. Thomas Robbins
1959-4-18
3988
Contra Costa
On slope overlooking San Pablo Bay, about 1/2 mile east of Pt. San Pablo, Richmond.
7
Comment
CHSC116652
Vicia villosa subsp. varia
Lowell Ahart; Josephine Guardino
2016-4-19
20764
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. In the middle of the dirt road, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
JEPS127049
Vicia villosa subsp. varia
Lowell Ahart, Josephine Guardino
2016-4-19
20764
Contra Costa
1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad.
Comment
JEPS99507
Vicia villosa subsp. varia
Mary Bowerman
1978-5-4
Contra Costa
Mount Diablo, Nort Gate Rd. 3/4 above Arroyo del Cerro. Also lower down.
Comment
UC1795794
Vicia villosa subsp. varia
Barbara Ertter, Mary Bowerman
1995-6-11
14250
Contra Costa
Shell Ridge Recreation Area southeast of Walnut Creek, at west base Mt. Diablo.; annual grassland near Indian Valley School entrance, clay soil (planted Clarkia also present).
91
Comment
JEPS100123
Vinca major
G. Smick
2003-3-27
GAS 92
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC1121599
Viola pedunculata
H. S. Yates
1936-3-14
5355
Contra Costa
1/2 mi n of mouth of Perkins Canyon
228
Comment
CDA9681
Viola rupestris
D. G. Kelch
2007-2-28
7 .079
Contra Costa
East Bay.; East Bay Regional Park, Wildcat Creek.
Comment
UC1789166
Vitis
Barbara Ertter
1995-4-27
14020
Contra Costa
walkway along ditch between Valley Vista and Arbolado Park, Walnut Creek, ca 300 ft; naturalized on concrete ditchbank, twigs red, flowers green, fragrant.
Comment
CAS-BOT-BC203036
Vitis californica
Bonnie Templeton
1962-6-10
s.n.
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC203042
Vitis californica
Mary L. Bowerman
1930-6-28
382
Contra Costa
Mount Diablo. Canyon Nook
670
Comment
UC691245
Vulpia bromoides
Mary L. Bowerman
1933-5-3
1984 a
Contra Costa
Indian Ceremonial Canyon; Mount Diablo
731
Comment
POM300707
Vulpia bromoides
Mary L. Bowerman
1935-5-16
3008
Contra Costa
Behind Gabriel-Hinks' (east side of North Peak)
290
Comment
SEINET5578414
Vulpia bromoides
J. Hamai
1985-1
s.n.
Contra Costa
Russell Reserve.
Comment
UC691236
Vulpia microstachys var. ciliata
Mary L. Bowerman
1935-5-22
3050
Contra Costa
saddle w Twin Peaks (Eagle Point ridge); Mount Diablo
Comment
CAS-BOT-BC184189
Vulpia microstachys var. pauciflora
Mary L. Bowerman
1935-5-22
3049
Contra Costa
Eagle Point ridge, canyon at north end which heads into saddle west of Twin Peaks
Comment
CAS-BOT-BC184194
Vulpia microstachys var. pauciflora
Peter H. Raven; G. Thomas Robbins
1956-4-28
9041
Contra Costa
Near Arlington Ave. and Kennelworth [Kenilworth] Drive, just south of El Cerrito
Comment
UCD94437
Vulpia myuros
A. A. Beetle
1941-3-28
1722
Contra Costa
near Orinda.
Comment
UCD94880
Vulpia myuros
P. B. Kennedy
1923-4-19
s.n.
Contra Costa
between San Pablo Avenue and Fleming.
Comment
CAS-BOT-BC184712
Vulpia myuros subsp. megalura
Mary L. Bowerman
1935-4-22
2884
Contra Costa
Ridge west of Pioneer Road (west of Stage Road): East face of grassy ridge
853
Comment
CAS-BOT-BC184713
Vulpia myuros subsp. megalura
Mary L. Bowerman
1932-4-27
1380
Contra Costa
Oyster Ridge, south face, canyon west of Riggs Canyon
335
Comment
UC1024727
Vulpia myuros var. hirsuta
Leo Whitney
1935-4-21
3067
Contra Costa
2 mi e Corral Hollow
Comment
UC1024730
Vulpia myuros var. hirsuta
Leo Whitney
1935-4-21
3063
Contra Costa
Corral Hollow
Comment
UC579855
Vulpia myuros var. hirsuta
Annetta Carter
1936-4-19
1118
Contra Costa
e side Red Rock; San Francisco Bay
Comment
UC606725
Vulpia myuros var. hirsuta
Edward Lee
1936-4-19
1979 B
Contra Costa
e shore Red Rock; San Francisco Bay
Comment
UC692292
Vulpia myuros var. hirsuta
Mary L. Bowerman
1933-5-2
1945
Contra Costa
below Pioneer Camp; Mount Diablo
762
Comment
CAS-BOT-BC131762
Washingtonia filifera
Walter Knight; Lawrence R. Heckard; Bert Johnson
1978-9-28
3277
Contra Costa
Browns Island, from near Pt. Emmett at old bordello site
Comment
UC36761
Wyethia angustifolia
Maclean
Contra Costa
Mt. Diablo
Comment
UC485127
Wyethia angustifolia
Ira J. Condit
1913-4-19
Contra Costa
Richmond Annex
Comment
CAS-BOT-BC383369
Wyethia helenioides
John Thomas Howell
1933-5-14
11288
Contra Costa
Hills east of St. Mary's College
Comment
CAS-BOT-BC383370
Wyethia helenioides
John Thomas Howell
1933-5-14
11287
Contra Costa
Hills east of St. Mary's College
Comment
JEPS100164
Wyethia helenioides
S. O'Neil
2003-3-11
SEO 14
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS75540
Wyethia helenioides
P. F. Yorks
1974-5-22
122
Contra Costa
ca 1.8 km s Bear Creek Road (on Hampton Road, n of Briones Reservoir); Hampton Road Natural Reserve
200
Comment
RSA72631
Wyethia helenioides
F. W. Peirson
1926-8-10
6626
Contra Costa
Tunnel Road to Walnut Creek.
Comment
UC691367
Xanthium spinosum
Mary L. Bowerman
1930-8-31
439
Contra Costa
roadside near south entrance; Mount Diablo
Comment
UC691384
Xanthium spinosum
Mary L. Bowerman
1932-11-25
1668
Contra Costa
at head of spring Mount Diablo, Silver Spring
Comment
JEPS37541
Xanthium strumarium
W. L. Jepson
1923-10-4
10213
Contra Costa
Sherman Island ferry Antioch Shore, Sherman Island ferry
Comment
CDA30961
Yabea microcarpa
D. G. Kelch, Abigail Moore
2010-4-7
10 .096-B
Contra Costa
Mt. Diablo. Upper Mitchell Canyon.
Comment Read comments May 4 2013
UC1606356
Zannichellia palustris
Barbara Ertter, Lynne Hosley
1991-9-22
10826
Contra Costa
Lafayette Reservoir in hills sw Lafayette (se side of Lafayette Reservoir); se side of Lafayette Reservoir
137
Comment
JEPS49758
Zigadenus fremontii
Rimo Bacigalupi, and Alice Howard, and Paul Hutchison
1967-3-29
9218
Contra Costa
0.5 mi se head of Bolinger Canyon (in Bolinger Creek drainage, w slope of Las Trampas Ridge); Las Trampas Ridge, Bolinger Creek
390
Comment
JEPS62255
Zigadenus fremontii
W. L. Jepson
1908-4-4
3004
Contra Costa
w branch San Pablo Creek
Comment
UC4110
Zigadenus fremontii
Harley P. Chandler
1901-4-5
978
Contra Costa
Mount Diablo
Comment
UC765923
Zigadenus fremontii
Robert F. Hoover
1939-4-13
4018
Contra Costa
head (West Branch) Markley Canyon; head Markley Canyon
Comment