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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
UC1211990
Abutilon theophrasti
R. P. and Perry Allen
1961-8-11
Contra Costa
4 mi e Byron
Comment
JEPS87956
Acacia melanoxylon
Barbara Ertter
1991-5-12
9815
Contra Costa
in sw corner El Cerrito (Point Isabel Regional Shoreline, along old railroad right-of-way between bay and salicornia marsh); San Francisco Bay, Point Isabel Regional Shoreline
Comment
UC1779711
Acacia verticillata
Rudolf Schmid
1997-5-21
1997 -12
Contra Costa
Hillside Natural Area, El Cerrito; NW of King Ct. entrance.
175
Comment
CAS-BOT-BC331612
Acer macrophyllum
Paul F. Covel
1940-4-21
s.n.
Contra Costa
Las Trampas Canyon
Comment
CAS-BOT-BC331615
Acer macrophyllum
Peter H. Raven; H. L. Mason; R. Ornduff; et al.
1957-4-11
10621
Contra Costa
Curry Canyon, 3.4 miles S of Recreation Ground
Comment
JEPS111582
Acer macrophyllum
D. G. Kelch
2004-4-25
04 .109
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive West Martinez on Scenic Dr. at Road Gate
28
Comment
JEPS42648
Acer macrophyllum
W. L. Jepson
1916-10-28
6853 a
Contra Costa
Las Trampas Creek
Comment
SD45088
Acer macrophyllum
W. Jones
1927-6-2
Contra Costa
Crockett
Comment Read comments Jul 11 2010
SEINET12766391
Acer macrophyllum
M. E. Matheron
1968-4-14
55
Contra Costa
2 miles from entrance to Mt. Diablo State Park on North Gate Road, Mt. Diablo.; 0
457
Comment
POM284638
Acer negundo subsp. californicum
Lyman D. Benson
1931-3-18
2656
Contra Costa
Walnut Creek.
61
Comment
CAS-BOT-BC334178
Acer negundo var. californicum
Annetta Carter
1937-4-4
1229
Contra Costa
Creek bank, Moraga Valley, 2.5 miles north of Moraga
182
Comment
CAS-BOT-BC334181
Acer negundo var. californicum
Annetta Carter
1937-3-28
1227
Contra Costa
Creek bank, Moraga Valley, 2.5 miles north of Moraga
182
Comment
CAS-BOT-BC334179
Acer negundo var. californicum
Mary L. Bowerman
1931-10-23
1063 a
Contra Costa
Mount Diablo. Riggs Canyon mouth
228
Comment
CHSC23337
Achillea millefolium
Willis Ball
1975-2-23
447
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
RSA762306
Achillea millefolium
William J. Ferlatte, L. M. Moe
1970-4-27
1227
Contra Costa
San Francisco Bay, Red Rock Island.
Comment
CAS-BOT-BC29882
Achyrachaena mollis
J. H. Thomas
1953-4-25
2999
Contra Costa
about 2 miles southwest of Brentwood
Comment
CAS-BOT-BC29887
Achyrachaena mollis
James I. W. McMurphy
1909-5-21
s.n.
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
JEPS111743
Achyrachaena mollis
Dean G. Kelch and Andrew G. Murdock
2005-3-26
05 .101
Contra Costa
Concord Airport Large, low, wet field north and east of Concord Airport immediately north of Little League ball fields
5
Comment
UCD84946
Achyrachaena mollis
Chuck Hughes
2010-3-29
218
Contra Costa
About 0.7 mile south of Vasco Road.
238
Comment
CAS-BOT-BC29889
Achyrachaena mollis
Rimo Bacigalupi
1920-4-10
1278
Contra Costa
Grade above Arroyo Mocho on way to Cedar Mtn. about 10 miles SE of Livermore
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
CHSC116627
Acmispon americanus var. americanus
Lowell Ahart; Josephine Guardino
2016-4-19
20781
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. On dry bare soil, below the high water line of Los Vaqueruss Reservoir, 1.4 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
144
Comment
UCD104135
Acmispon glaber
G. Thomas Robbins
1959-4-12
3983
Contra Costa
About 1/2 mile southwest of junction of Hoffmann Blvd. and S. 25th St., Richmond.
6
Comment
CDA20180
Acroptilon repens
A. Niang
2003-7-9
PDR 1406327
Contra Costa
San Francisco Bay Area; 5225 Hidorn Ranch Rd, Brentwood.
0
Comment
UCD128498
Acroptilon repens
Collector unknown
1928-8-1
1428
Contra Costa
Richmond.
Comment
UC691158
Adenostoma fasciculatum
Mary L. Bowerman
1933-2-4
1689
Contra Costa
flats e. of Meridian-North Peak divide Mt. Diablo
822
Comment
SEINET11906748
Adenostoma fasciculatum
E. L. Core
1952-1
s.n.
Contra Costa
Mt. Diablo
Comment
RSA453156
Adenostoma fasciculatum var. fasciculatum
Bonnie C. Templeton
1962-6-20
s.n.
Contra Costa
Mount Diablo
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
SEINET6412858
Adiantum jordanii
C. Newberry
1994-4-30
7255
Contra Costa
Mount Diablo State Park, trail from Mitchell Cn. Prkng to Donner Cr.
900
Comment
UC18188
Aesculus californica
Ivar Tidestrom
Jun 1895
Contra Costa
Comment
SEINET12232133
Aesculus californica
M. T. Dorett
1930-1
77
Contra Costa
Marsh Creek
Comment
JEPS36285
Agoseris grandiflora
W. L. Jepson
1919-6-8
8329
Contra Costa
Mt. Diablo
Comment
JEPS99561
Agoseris grandiflora
Mary Bowerman
1995-7-2
Contra Costa
Mount Diablo, (probably Back Canyon or foot trail to Donner Canyon).
Comment
UC2028295
Agoseris grandiflora
Barbara Ertter, Dan Norris
1998-6-18
16218
Contra Costa
Rock City area on south side of Mount Diablo, W Fossil Ridge Trail.
Comment
SEINET6738507
Agoseris heterophylla
H. P. Chandler
1901-4-5
976 A
Contra Costa
Mt. Diablo
Comment
UC29357
Agoseris heterophylla var. heterophylla
H. M. Hall
1901-4-5
1726
Contra Costa
Mt. Diablo; San Francisco Bay region
Comment
UC517466
Agoseris heterophylla var. heterophylla
J. Thomas Howell
1933-5-14
11260
Contra Costa
hills east of St. Mary's College
Comment
JEPS96230
Agrostis avenacea
Barbara Ertter, Brad Olson
1991-9-28
10831
Contra Costa
San Pablo Reservoir between Orinda and El Sobrante (at s. end of reservoir); San Pablo Reservoir
91
Comment
RSA0029681
Agrostis avenacea
Barbara Ertter, Tony Morosco
1998-9-18
16425
Contra Costa
Lime Ridge Open Space northwest of Mount Diablo, north quarry area [subsequently developed].
122
Comment
UCD37372
Agrostis exarata var. pacifica
Beecher Crampton
1959-9-3
5455
Contra Costa
Contra Costa County, 2 miles north of city of Orinda, Bear Creek, East Bay Municipal Utilities District Project.
Comment
CDA962
Agrostis pallens
D. G. Kelch
2005-6-14
5 .33
Contra Costa
East Bay; San Pablo. North Alvarado Park, south of San Pablo Dam Rd.
Comment
CDA9763
Agrostis pallens
D. G. Kelch
2002-5-24
2 .019
Contra Costa
Carquinez Strait; Crockett. On hill S of San Pablo Ave ~0.4 miles W of Carquinez Bridge.
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
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
JEPS99493
Agrostis viridis
Mary Bowerman
1975-9-14
Contra Costa
Mount Diablo, near Chase Pond.
Comment
JEPS99592
Agrostis viridis
Mary Bowerman
1993-10-22
Contra Costa
Mount Diablo, Pine Pond, South side.
Comment
UC50548
Agrostis viridis
Jos. Burtt Davy
1897-9-4
4082
Contra Costa
Stege
Comment
JEPS111085
Aira caryophyllea
Lee Echols
2003-7-7
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
UC1108976
Aira caryophyllea
Leo and Shirley Koch
1947-4-20
1343
Contra Costa
0.5 mi s Giant (meadow between golf course and railroad)
3
Comment
POM300734
Aira caryophyllea
Mary L. Bowerman
1942-5-24
3844
Contra Costa
Lower Rock City Camp, Fossil Ridge
457
Comment
UC2028451
Alisma triviale
Barbara Ertter with Joanne Kerbavaz
2000-8-20
17500
Contra Costa
Frog Pond on southeast side of Mount Diablo
Comment
RSA107394
Allenrolfea occidentalis
L. S. Rose
1955-9-12
55173
Contra Costa
2 miles E of Byron.
15
Comment
SD39067
Allium amplectens
McCallum
1933-4-24
3715
Contra Costa
Top of hill between Walnut Creek and Berkeley.
Comment
CAS-BOT-BC469113
Allium falcifolium
Alice Eastwood
1915-5-30
4531
Contra Costa
Mt. Diablo
Comment
UC635248
Allium serra
H. L. Mason
1928-4-29
4421
Contra Costa
Sycamore Canyon, s slope of Mount Diablo Mount Diablo, Sycamore Canyon
Comment
UC796584
Allium serra
Reed C. Rollins
1946-3-25
3043
Contra Costa
w slope of Mount Diablo Mount Diablo
Comment
UC85605
Allium serra
Katharine Brandegee
1907-5-5
Contra Costa
bet. Antioch and Marsh Creek
Comment
CAS-BOT-BC475529
Allium serra
Alice Eastwood
1922-5-21
11321
Contra Costa
Arroya del Valle near Livermore
Comment
UC1819012
Allium unifolium
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14057
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, creek crossing on north-facing slope, edge of woods and open slopes.
Comment
UC2028115
Allium unifolium
Barbara Ertter with Richard K. Brummitt
1998-5-6
16094
Contra Costa
Lower Donner Canyon on north base of Mount Diablo, Hetherington Trail upstream from Donner Cabin.
Comment
RSA172743
Allophyllum gilioides
Mary L. Bowerman
1935-4-26
2904
Contra Costa
West of Indian Ceremonial Spring, three miles by road above junction.
1021
Comment
CAS-BOT-BC170927
Alnus rhombifolia
Mary L. Bowerman
1931-10-13
1058
Contra Costa
Mount Diablo. Alamo Canyon
259
Comment
JEPS58619
Alnus rhombifolia
W. L. Jepson
1899-2-26
Contra Costa
Wild Cat Creek Berkeley Hills
Comment
POM300606
Alnus rhombifolia
Mary L. Bowerman
1931-10-13
1058
Contra Costa
Alamo Canyon. Mount Diablo.
259
Comment
JEPS113358
Alopecurus myosuroides
Bob Battagin
2007-3-9
Contra Costa
San Pablo Reservoir, W shore.
Comment
CDA31390
Alopecurus saccatus
P. B. Kennedy
1916-5-11
Contra Costa
Richmond, Grand View Terrace.
0
Comment
CDA37403
Amaranthus albus
D. G. Kelch, Mike Perlmutter
2011-9-23
11 .758
Contra Costa
Entry to Discovery Bay.
Comment
UC691932
Amaranthus albus
Mary L. Bowerman
1935-6-28
3176
Contra Costa
s of Meridian Peak summit (300 yds e of the meridian fence); Mt. Diablo
487
Comment
CDA15289
Amaranthus albus
G. F. Hrusa, D. Crowe, R. York
1998-7-17
14729
Contra Costa
Sacramento Delta; Along top of levee separating Dow Ecological Reserve and San Joaquin R.
Comment
CDA9491
Amaranthus blitoides
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .215
Contra Costa
Byron Airport.
Comment
JEPS85854
Amaranthus deflexus
Barbara Ertter with Elizabeth Neese
1988-10-15
7973
Contra Costa
w I-580 (jct of Central Ave and Rydin Road, El Cerrito); El Cerrito
Comment
UC1585978
Amaranthus deflexus
Barbara Ertter with Elizabeth Neese
1988-10-15
7973
Contra Costa
w of I-580 (jct of Central Ave and Rydin Road, El Cerrito); El Cerrito
Comment
CDA9966
Ambrosia chamissonis
D. G. Kelch, A. G. Murdock
2004-7-9
4 .312
Contra Costa
Carquinez Strait; Rodeo Shore. Rodeo Shoreline.
Comment
UC1555375
Ambrosia psilostachya
Jerry Powell
1988-8-25
1547
Contra Costa
w, on sandy beach Richmond; Point Molate
Comment
CAS-BOT-BC142927
Amelanchier utahensis
H. E. McMinn
1923-6-13
231
Contra Costa
From 6 mi. n. of Camp Frost on Livermore & Mt. Hamilton Road
Comment
UC726360
Amsinckia
A. A. Heller
1941-3-24
15906
Contra Costa
Byron Springs
Comment
CAS-BOT-BC222218
Amsinckia
John Thomas Howell
1934-4-8
11812
Contra Costa
7 miles from Clayton on road to Livermore
Comment
CAS-BOT-BC222219
Amsinckia
John Thomas Howell
1934-4-8
11826
Contra Costa
South of Antioch
Comment
CAS-BOT-BC222221
Amsinckia
John Thomas Howell
1934-4-8
11814
Contra Costa
7 miles from Clayton on road to Livermore
Comment
JEPS17177
Amsinckia eastwoodiae
Francia Chisaki, Rimo Bacigalupi
1957-3-27
914
Contra Costa
2.2 mi se Byron (on Byron Hwy)
Comment
JEPS24884
Amsinckia grandiflora
T. S. Brandegee
May, 1887
Contra Costa
Judsonville (in the Hills south of Antioch)
Comment
JEPS17178
Amsinckia intermedia
Francia Chisaki, Rimo Bacigalupi
1957-3-27
5759
Contra Costa
0.1 mi nw of crossing with Empire Avenue (along Neroly Road)
24
Comment
SBBG39713
Amsinckia intermedia
J. T. Howell
1933-5-14
11225
Contra Costa
St Mary's College
Comment
CAS-BOT-BC222463
Amsinckia lunaris
Robert F. Hoover
1939-5-20
4105
Contra Costa
Lower end of San Pablo Reservoir
Comment
CAS-BOT-BC222464
Amsinckia lunaris
Joseph P. Tracy
1934-4-30
13196
Contra Costa
Near Lafayette
152
Comment
UC1084622
Amsinckia lunaris
Francia Chisaki, Peter Kamb Ray
1952-5-4
2275
Contra Costa
1.5 mi e Orinda-Richmond road (leaving this road ca 1 mi n of Orinda); Bear Creek Road
Comment
UC762022
Amsinckia lunaris
R. F. Hoover
1938-4-20
3178
Contra Costa
lower end San Pablo Resevoir
Comment
UC24601
Amsinckia lycopsoides
J. Burtt Davy
1895-4-7
887
Contra Costa
Antioch; ; Antioch, Contra Costa Co.
Comment
CAS-BOT-BC26957
Amsinckia sparsiseta
Alice Eastwood
1914-3-14
3796
Contra Costa
Byron Springs
Comment
CHSC75115
Anagallis arvensis
Roger Thom
1987-5-26
21
Contra Costa
2800 block of Buena Vista Ave. Walnut Creek.
30
Comment
UC2031455
Anagallis arvensis
Barbara Ertter with David Gowen, Mike Park, Chris Thayer et al.
2014-4-12
21711
Contra Costa
South tributary of Perkins Canyon at Prospectors Gap Road, Ginochio property on east side of Mount Diablo
Comment
UC196982
Ancistrocarphus filagineus
Chesnut and Drew
1889-4-18
Contra Costa
sand hills Antioch
Comment
UC2027713
Ancistrocarphus filagineus
Barbara Ertter with Stu Garrett
1997-3-29
15526
Contra Costa
West side Mount Diablo, Burma Road 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
JEPS108327
Androsace elongata subsp. acuta
David Gowen, Mike Parks
2005-3-6
177
Contra Costa
Mt. Diablo State Park. North-facing slope not far from summit of Oyster Point.
Comment
UCD84947
Androsace elongata subsp. acuta
Chuck Hughes
2010-3-29
219
Contra Costa
About 0.7 mile south of Vasco Road.
239
Comment
CDA1106
Angelica californica
D. G. Kelch, A. G. Murdock
2003-8-13
3 .127
Contra Costa
Carquinez Strait; Vaca Canyon.
Comment
UC692259
Angelica californica
Mary L. Bowerman
1932-5-6
1420
Contra Costa
Mount Diablo, Mitchell Canyon Mitchell Canyon; Mount Diablo, Mitchell Canyon
228
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
CHSC75049
Anthemis cotula
Roger Thom
1987-5-27
24
Contra Costa
1900 block of Olympic Blvd. (at Newell Ave.), Walnut Creek.
15
Comment
UC697132
Anthemis cotula
Mary L. Bowerman
1930-6-3
228
Contra Costa
North Road (1.9 mi from entrance) Mount Diablo
167
Comment
CAS-BOT-BC84716
Anthemis cotula
Mary L. Bowerman
1930-6-3
228
Contra Costa
Mount Diablo. North Road, 1.9 miles from entrance
167
Comment
RSA0008239
Antirrhinum elmeri
A. D. E. Elmer
1903-06
4809
Contra Costa
Mount Diablo
Comment
JEPS107090
Antirrhinum majus
Barbara Ertter, Brad Olson
1994-5-7
12744
Contra Costa
S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge
Comment
UC1795735
Antirrhinum majus
Barbara Ertter, Brad Olson
1994-5-7
12744
Contra Costa
S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge
Comment
SBBG33408
Antirrhinum vexillocalyculatum
A. D. E. Elmer
-Jun-1903
4809
Contra Costa
Mount Diablo
Comment
SEINET8242148
Antirrhinum vexillocalyculatum
A. D. E. Elmer
1903-1
4809
Contra Costa
Mount Diablo.
Comment
JEPS112078
Aphanes occidentalis
D. G. Kelch
2003-4-3
03 .347
Contra Costa
Cummings Skyway South of Cummings Skyway and Crockett Blvd
134
Comment
CDA15262
Apocynum cannabinum
G. F. Hrusa, D. Crowe
1998-5-8
14393
Contra Costa
Sacramento Delta; Along Antioch-Pittsburg highway adjacent to E end of Dow Chemical property in Pittsburg.
Comment
UC1795686
Aquilegia formosa
Barbara Ertter, Mary L. Bowerman
1994-6-19
12840
Contra Costa
Mt. Diablo State Park east of Walnut Creek; Muir Picnic Area on Summit Road,
Comment
UC9004
Aquilegia formosa
G. Survey
1862-5-23
1156
Contra Costa
Mount Diablo
Comment Read comments Jan 20 2011
CAS-BOT-BC128690
Arbutus menziesii
H. E. McMinn
1925-1-1
s.n.
Contra Costa
Head of San Leandro Creek
Comment
CAS-BOT-BC128692
Arbutus menziesii
W. W. Carruth
1900-4-1
s.n.
Contra Costa
Redwood Canyon [Canon]
Comment
UC1795671
Arceuthobium campylopodum
Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa
1995-10-22
14533
Contra Costa
Three Springs Trail on northeast side of Mt. Diablo, woods above ranch.
365
Comment
UC692044
Arceuthobium campylopodum
Mary L. Bowerman
1931-10-31
1064
Contra Costa
south Rd near junction Mount Diablo
Comment
UC2028013
Arceuthobium campylopodum
Barbara Ertter
1997-11-1
15877
Contra Costa
South side Mount Diablo, Knobcone Point Road east of junction with Black Hawk Ridge Road.
Comment
UC615582
Arceuthobium campylopodum
Beryl O. Schreiber
1933-10-5
937
Contra Costa
rd to Mt Diablo
Comment
UCSB21792
Arctostaphylos andersonii
Keefe, Joseph
1967-3-20
Contra Costa
Along Huckleberry Trail, 0.5 mile east of Skyline Boulevard, near intersection with Grizzly Peak Boulevard, east of Berkeley
274
Comment
CAS-BOT-BC24118
Arctostaphylos auriculata
Alice Eastwood
1922-5-14
11311
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC24122
Arctostaphylos auriculata
Gary D. Wallace
1974-12-26
1372
Contra Costa
Mt. Diaablo St. Pk. off Summit Dr. along a ridge E of Curry Point; SE of Balancing Rock.
530
Comment
CAS-BOT-BC27223
Arctostaphylos auriculata
Alice Eastwood
1903-2-22
s.n.
Contra Costa
Mt. Diablo
Comment
JEPS38914
Arctostaphylos auriculata
Mary L. Bowerman
1935-3-24
2751
Contra Costa
w face Lime Ridge (between two cuts of the Cowell Cement Company); Mount Diablo
Comment
POM131658
Arctostaphylos auriculata
Alice Eastwood
1903-2-22
3161
Contra Costa
Mt Diablo
Comment
RSA212152
Arctostaphylos auriculata
L. S. Rose
1970-4-2
70023
Contra Costa
Rock City, Mount Diablo.
426
Comment
RSA622481
Arctostaphylos auriculata
Jon E. Keeley
1996-6-24
27594
Contra Costa
Above Rock City, Mt. Diablo.
540
Comment Read comments Jan 30 2013
SBBG39549
Arctostaphylos auriculata
L. S. Rose
1970-4-2
70023
Contra Costa
Rock City, Mt Diablo
426
Comment
CAS-BOT-BC23557
Arctostaphylos crustacea
J. E. Adams
1934-3-9
623
Contra Costa
Moraga Ridge
Comment
CAS-BOT-BC23552
Arctostaphylos crustacea
Neil Havlik; Walter Knight
1982-11-12
4548
Contra Costa
Briones Regional Park adjacent to russell Tree Farm.
327
Comment
UC2029046
Arctostaphylos crustacea subsp. crustacea
Barbara Ertter with Linda Vorobik
2000-1-9
16889
Contra Costa
Las Trampas Regional Wilderness in East Bay Hills west of Danville.
Comment
CHSC20599
Arctostaphylos glandulosa
Robert A. Schlising
1962-2-21
2081
Contra Costa
Coast Ranges. Berkeley-Oakland Hills of westernmost part of county.
Comment
JEPS46405
Arctostaphylos glandulosa
W. L. Jepson
1919-1-25
9209
Contra Costa
Moraga Ridge
Comment
CAS-BOT-BC24850
Arctostaphylos glandulosa subsp. glandulosa
H. E. McMinn
1923-3-6
875
Contra Costa
Contra Costa Co.
Comment
JEPS38918
Arctostaphylos glandulosa subsp. glandulosa
Mary L. Bowerman
1932-3-20
1123
Contra Costa
ne fork of canyon Mount Diablo, Sycamore Canyon (toward top of middle ridge)
Comment
RSA367269
Arctostaphylos glandulosa subsp. glandulosa
H. E. McMinn
1923-3-6
875 a
Contra Costa
Mt. Diablo.
Comment
CAS-BOT-BC24653
Arctostaphylos glauca
Mary L. Bowerman
1933-2-4
1691
Contra Costa
Mount Diablo, Perkins Canyon, s. fork.
Comment
CAS-BOT-BC24654
Arctostaphylos glauca
Mary L. Bowerman
1930-6-22
362
Contra Costa
Mount Diablo, Mitchell Canyon.
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
RSA721734
Arctostaphylos glauca
Barbara Ertter, Holy Forbes
1996-2-11
14548
Contra Costa
North side Mount Diablo; Murchio Gap on Median Ridge Road.
732
Comment
UC692497
Arctostaphylos glauca
Mary L. Bowerman
1930-8-24
423
Contra Costa
lower trail Mount Diablo, Mitchell Canyon
Comment
UC2028040
Arctostaphylos glauca
Barbara Ertter
1998-3-7
15929
Contra Costa
Southwest side of Mount Diablo, west-most knoll on Fossil Ridge, at end of fire road.
Comment
RSA632821
Arctostaphylos laevigata
Jon E. Keeley
1996-6-24
27588
Contra Costa
Above Rock City, Mt. Diablo.
540
Comment
SEINET11977789
Arctostaphylos manzanita
M. T. Doutt
1930-1
85
Contra Costa
Marsh Creek
Comment
CAS-BOT-BC38876
Arctostaphylos manzanita subsp. laevigata
L. R. Abrams
1910-10-8
4345
Contra Costa
Mt. Diablo
548
Comment
CAS-BOT-BC38923
Arctostaphylos manzanita subsp. laevigata
Alice Eastwood
1922-5-14
11312
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC38924
Arctostaphylos manzanita subsp. laevigata
Alice Eastwood
1922-5-17
11085
Contra Costa
Mt. Diablo
Comment
JEPS124457
Arctostaphylos manzanita subsp. laevigata
Daniel Slakey with CNPS Volunteers
2015-6-29
132
Contra Costa
Wall Point Rd, along a roughly 1 km stretch of road just west of Wall Point.
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
JEPS98841
Arctostaphylos manzanita subsp. laevigata
Richard Hildreth and Roy Brewer
1964-10-7
Contra Costa
Rock City, head of Dan Cook Canyon, W of nature trail Mount Diablo
Comment
RSA257622
Arctostaphylos manzanita subsp. laevigata
Gary D. Wallace
1975-8-26
1501
Contra Costa
Mt. Diablo St. Pk., E. of Danville, out trail from Curry Point.
Comment
UC549753
Arctostaphylos manzanita subsp. laevigata
J. E. Adams
1934-3-19
684
Contra Costa
Mt. Diablo
Comment
UC549756
Arctostaphylos manzanita subsp. laevigata
J. E. Adams
1934-3-19
685
Contra Costa
Mt. Diablo
Comment
UC549757
Arctostaphylos manzanita subsp. laevigata
J. E. Adams
1934-3-19
687
Contra Costa
Mt. 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
UCD51723
Arctostaphylos manzanita subsp. laevigata
H. A. Jensen
1938-10-27
451
Contra Costa
Head of Curry Canyon.
518
Comment
UCD51727
Arctostaphylos manzanita subsp. laevigata
R. C. Wilson
1935-2-26
112
Contra Costa
3/4 mile southwest of Somersville.
411
Comment
UC2028017
Arctostaphylos manzanita subsp. laevigata
Barbara Ertter
1997-9-14
15818
Contra Costa
Southwest side of Mount Diablo, Wall Point Road on open sandstone ridge northwest of Wall Point.
Comment
CAS-BOT-BC24382
Arctostaphylos manzanita subsp. manzanita
Walter Knight; Irja Knight
1980-3-16
3713
Contra Costa
Opposite 5996 Skyline Drive, El Sobrante.
Comment
CAS-BOT-BC24387
Arctostaphylos manzanita subsp. manzanita
Alice Eastwood; John Thomas Howell
1936-4-19
2129
Contra Costa
Nortonville.
Comment
CAS-BOT-BC24392
Arctostaphylos manzanita subsp. manzanita
Walter Knight
1979-5-31
3376
Contra Costa
Morgan Territory Regional Land Bank.
Comment
CAS-BOT-BC24397
Arctostaphylos manzanita subsp. manzanita
H. E. McMinn
1923-3-6
876
Contra Costa
Sycamore Canon.
Comment
CAS-BOT-BC24399
Arctostaphylos manzanita subsp. manzanita
Mary L. Bowerman
1938-6-24
3693
Contra Costa
Mount Diablo, Road 8.9 mi. from North Gate: crest or ridge above road (below Pines Picnic Area).
792
Comment
CAS-BOT-BC42234
Arctostaphylos pallida
Walter Knight; Irja Knight
1980-3-16
3714
Contra Costa
Sobrante Ridge between Heavenly Ridge Land and Castro Ranch Road.
Comment
SBBG114892
Arctostaphylos pallida
C. Bornstein
1999-3-20
Contra Costa
Sobrante Ridge Regional Preserve
243
Comment
UC32667
Arctostaphylos pallida
E. R. Drew
1888-2-22
Contra Costa
Moraga Valley Oak.
Comment
SEINET11987134
Arctostaphylos pungens subsp. laevigata
W. Knight, Knight, I.
1980-1
3824
Contra Costa
Tilden Botanic Garden, orig. from Mt. Diablo
Comment
JEPS42609
Arctostaphylos tomentosa subsp. crustacea
W. L. Jepson
1944-8-5
27547
Contra Costa
Moraga Ridge Oakland Hills
Comment
UC876405
Arctostaphylos tomentosa subsp. crustacea
J. E. Adams
1934-3-9
624
Contra Costa
Moraga Ridge
Comment
SJSU6159
Aristolochia californica
C. O. Dudley
1966-5-1
106
Contra Costa
Reliez Valley, Briones Hills N of Lafayette
152
Comment
UCSB24029
Aristolochia californica
Olson, Glen
1968-3-21
Contra Costa
Fifty yards on the north side of School Street, 0.4 mile east of its junction with Moraga Road in Lafayette
106
Comment
CAS-BOT-BC84953
Artemisia californica
L. R. Abrams
1910-10-8
4339
Contra Costa
Mt. Diablo
609
Comment
CAS-BOT-BC84954
Artemisia californica
Mary L. Bowerman
1931-11-21
1069
Contra Costa
Mount Diablo, donner Canyon, east flank.
Comment
UC1119320
Artemisia californica
H. A. Jensen
1934-8-19
382
Contra Costa
1 mi nw North Peak; Mt. Diablo Quadrangle
Comment
UC2042495
Artemisia californica
Barbara Keller and J. Ruck
2011-6-23
Contra Costa
Mt. Diablo State Park, North Gate Rd.
Comment
UC449651
Artemisia californica
W. P. Taylor
1912-7-16
Contra Costa
2 mi sw Walnut Creek
121
Comment
UC1584664
Artemisia douglasiana
Jerry Powell
1990-8-29
1591
Contra Costa
Antioch National Wildlife Refuge
Comment
UC2028460
Artemisia douglasiana
Barbara Ertter
1997-9-7
15794
Contra Costa
North side Mount Diablo, Donner Creek crossing at south end of Hetherington Trail
Comment
CAS-BOT-BC90295
Artemisia douglasiana
John Thomas Howell
1925-9-19
1467
Contra Costa
East side of Moraga Ridge near south end, Oakland Hills
Comment
RSA603956
Artemisia douglasiana
Joseph A. Ewan
1934-5-20
8934
Contra Costa
Contra Costa County: Russelmann Park, N side Mt. Diablo
Comment
CAS-BOT-BC400500
Asarum caudatum
John Thomas Howell
1925-9-12
1439
Contra Costa
San Leandro Canon [Canyon], Oakland Hills
Comment
RSA0031304
Asclepias californica
Barbara Ertter
2000-5-14
17019
Contra Costa
Donner Basin on north side of Mount Diablo, upper end of Falls Trail near junction of Cardinet Oaks Road.
427
Comment
UC219339
Asclepias californica
H. M. Hall
1922-5-7
11804
Contra Costa
Marsh Creek; Mt. Diablo
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
CDA28791
Asclepias cordifolia
D. G. Kelch, Troy MacGregor
2009-5-24
9 .302
Contra Costa
Carquinez Strait; Carquinez Loop Trail S of Ozol, S-SW of Martinez, nr Wolcott Ln .
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
HSC22051
Asparagus officinalis
B. Dwelley
1966-4-9
9
Contra Costa
Edens Plains Rd. 4 mi. E of Brentwood
20
Comment
CDA39306
Asparagus officinalis subsp. officinalis
A. G. Murdock
2003-6-24
115
Contra Costa
Carquinez Strait; Near parking lot at northeast corner of Mount Wanda, Martinez.
Comment
UC1795104
Asphodelus fistulosus
Barbara Ertter, Tony Morosco
2000-4-12
16959
Contra Costa
Vasco Road 0.4 miles north of Tesla Road southeast of Livermore; roadside.
Comment
RSA417743
Aster radulinus
M. B. Dunkle
1931-7-18
2532
Contra Costa
Strawberry Canyon, Berkeley
152
Comment
CAS-BOT-BC478053
Asteraceae
James McMurphy
1910-4-9
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC180528
Astragalus asymmetricus
M. K. Curran
1886-5-1
51
Contra Costa
Antioch
Comment
UC13388
Astragalus asymmetricus
F. T. Bioletti
1892-1
Contra Costa
Byron
Comment
SEINET3127336
Astragalus asymmetricus
M. K. Curran
1886-5-18
sn
Contra Costa
Antioch
Comment
UC13345
Astragalus didymocarpus
W. H. Brewer
1862-5-19
1115
Contra Costa
n (Kirker Pass?) Kirker's Pass; n of Kirker's Pass
Comment
UC10226
Athysanus pusillus
T. S. Brandegee
Contra Costa
Antioch
Comment
UC1301000
Athysanus pusillus
Helen K. Sharsmith
1963-3-3
5191
Contra Costa
e of St. Mary's College (near Moraga, Las Trampas Canyon); San Francisco Bay Region, Las Trampas Canyon
259
Comment
UC691076
Athysanus pusillus
Mary L. Bowerman
1931-2-28
525
Contra Costa
Fossil Ridge near Rock City (Mount Diablo); , Fossil Ridge
518
Comment
CAS-BOT-BC168564
Atriplex cordulata
Walter Knight
1977-7-4
s.n.
Contra Costa
Black Diamond Mines Regional Preserve near Antioch. About 1 mile south of Contra Loma Regional Park
45
Comment
UCD97337
Atriplex cordulata
Robert E. Preston; David Muth
1993-9-3
633
Contra Costa
1500 feet north of Marsh Creek Road, 2.75 miles west of its junction with Vasco Road.
91
Comment
CAS-BOT-BC168541
Atriplex coronata
R. E. Frenkel
1964-7-10
648
Contra Costa
On Balfour Road, 0.2 miles west of Bixler Road
6
Comment
CDA9500
Atriplex depressa
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .227
Contra Costa
Byron Airport.
Comment
UC2042867
Atriplex prostrata
Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson
1991-10-20
10871
Contra Costa
Dow Wetland Preserve, just W of Antioch.
Comment
UCD158699
Atriplex prostrata
James A. Neilson Jr.
1972-10-22
3509
Contra Costa
Walnut Creek drainage. Elevation estimated in Google Earth by label maker.
1
Comment
UC2029106
Atriplex semibaccata
Barbara Ertter
1990-9-30
9655
Contra Costa
SE of Hilltop Mall in N Richmond, near Day's Inn.
Comment
NY324276
Atriplex spicata
W. H. Brewer
1862-5-31
1190
Contra Costa
Joaquin Valley
Comment
CDA19833
Avena barbata
P. Akers
2002-5-11
s.n.- 1
Contra Costa
Northern California; Mt Diablo Summit Trail at water tank picnic area.
873
Comment
UC53767
Avena barbata
J. Burtt Davy
May, 1898
Contra Costa
Livermore Region Of Mount Diablo
Comment
CAS-BOT-BC146021
Avena barbata
Mary L. Bowerman
1933-5-8
2002
Contra Costa
Mount Diablo. Fossil Ridge, south face, not far from but out of sight of South Gate.
289
Comment
CHSC21645
Avena fatua
Willis Ball
1975-3-2
469
Contra Costa
Contral Loma Regional Park. In area #2. On s side of hill ca. 55 myds. ne of single restroom at sw end of lake.
39
Comment
JEPS84887
Avena fatua
G. D. Barbe
1983-5-22
4081
Contra Costa
hillside along fire road n. of Juniper Campground; Mount Diablo State Park
877
Comment
SEINET5607235
Avena fatua
Rachel Van Noord
1998-1
12
Contra Costa
Dinosaur Hill Park, Pleasant Hill
Comment
UCD56372
Avena fatua var. glabrata
Beecher Crampton
1956-5-14
3418
Contra Costa
1/2 mile northwest of Martinez. On the road to Crockett.
Comment
UCD56084
Avena occidentalis
G. Douglas Barbe
1983-5-22
4081
Contra Costa
Mount Diablo State Park.
877
Comment Read comments Nov 19 2009
UC1523840
Avena sterilis
Mark Blumler
1986-6-15
Contra Costa
Cerrito Creek Richmond (n bank)
Comment
UC2028018
Azolla filiculoides
Barbara Ertter
1998-1-4
15889
Contra Costa
South end of Diablo Foothills Regional Park southeast of Walnut Creek, Hazzard Pond north of Livorna Staging Area.
Comment
CAS-BOT-BC98766
Baccharis douglasii
Walter Knight; I. Knight; S. Rae; B. Doyle; J. T. Howell; E. McClintock
1978-9-5
3209
Contra Costa
Browns Island, near Sandy Knoll
Comment
UC1199295
Baccharis glutinosa
Joseph P. Tracy
1932-9-10
10784
Contra Costa
e of and on Franklin Canyon Road Pinole (Rodeo Creek); , Franklin Canyon Road
60
Comment
JEPS21278
Baccharis glutinosa
J. Thomas Howell
1926-1-17
1627
Contra Costa
between Cashion and Las Trampas Ridge Cashion
Comment
LA203046
Baccharis glutinosa
Joseph Andorfer Ewan;
1936-8-30
10119
Contra Costa
Shasta road, W rim Wildcat Canyon
Comment
UC691906
Baccharis pilularis
Mary L. Bowerman
1930-9-27
470
Contra Costa
west road 2 miles from entrance North Road; Mount Diablo
Comment
UCD73335
Baccharis salicifolia
Chuck Hughes
2008-4-22
26
Contra Costa
Marsh Creek at County Jail on Marsh Creek Road.
179
Comment
UC202943
Baccharis salicifolia subsp. salicifolia
Chesnut and Drew
1889-4-17
Contra Costa
Clayton
Comment
UC30399
Baccharis salicifolia subsp. salicifolia
H. N. Bolander
1866-4-1
6162
Contra Costa
near Mount Diablo
Comment
PASA2177
Baeria chrysostoma
Annetta Carter
1929-3-31
Contra Costa
Near Clayton
Comment
CHSC23338
Balsamorhiza deltoidea
Willis Ball
1975-3-26
511
Contra Costa
Contra Loma Regional Park. In area #8. On N facing slope near top of hill ca. 500 yds S of main parking lot ca. 760 yds W of Contra Loma Blvd.
146
Comment
JEPS12785
Balsamorhiza deltoidea
Rimo Bacigalupi with G. T. Robbins
1955-5-4
4978
Contra Costa
along road to Irish Canyon (s of and above Nortonville)
426
Comment
OBI16940
Balsamorhiza deltoidea
Rimo Bacigalupi
1955-5-4
4978
Contra Costa
S of and above Nortonville, along rd to Irish Cyn
427
Comment
CDA34211
Bellardia trixago
D. G. Kelch
2011-5-28
11 .541
Contra Costa
Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl.
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
JEPS11296
Bellardia trixago
Joseph P. Tracy
1921-5-17
5566
Contra Costa
near Martinez; Northern Coast Ranges
30
Comment
UC1584667
Bellardia trixago
Jerry Powell
1987-7-14
1500
Contra Costa
Point Molate Beach
Comment
SD26790
Bellardia trixago
Paul Covel
May 1938
Contra Costa
Bet. Martenez and Crockett
Comment
SD30222
Bellardia trixago
P. O. Schallert
1943-4-27
Contra Costa
1 mile east of Martinez, in meadow
Comment
UCD122097
Bellardia trixago
Roman Gankin
1962-5-18
s.n.
Contra Costa
Near abandoned railroad bed on east side of Pinehurst Road, ca. 1/4 mile north of junction of this road with Canyon Road, ca. 2 miles west of Moraga.
Comment
SEINET3386108
Blennosperma californicum
Lewis S. Rose
1933-3-10
33008
Contra Costa
Marsh creek, open hillsides
Comment
UCR51760
Blennosperma nanum
L. S. Rose
1949-3-24
49011
Contra Costa
4 miles south of Byron
8
Comment
POM247237
Blennosperma nanum
Annetta Carter
1937-3-28
1225
Contra Costa
Marsh Creek Road, 15 miles east of Concord.
152
Comment
CAS-BOT-BC100698
Blennosperma nanum var. nanum
Alice Eastwood
1914-3-14
3768
Contra Costa
Byron Springs
Comment
CAS-BOT-BC100699
Blennosperma nanum var. nanum
Brandegee
s.n.
Contra Costa
[Antiock] Antioch
Comment
CAS-BOT-BC100703
Blennosperma nanum var. nanum
M. K. C.
1886-5-1
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC100704
Blennosperma nanum var. nanum
Robert F. Hoover
1938-2-21
2750
Contra Costa
Byron Hot Springs
Comment
UC1119039
Blennosperma nanum var. nanum
H. S. Yates
1936-4-14
13818
Contra Costa
1/2 mi n of mouth of Perkins Canyon; Mt. Diablo Quadrangle
228
Comment
UC565479
Blennosperma nanum var. nanum
H. L. Mason
1929-3-15
5045
Contra Costa
just s of Nortonville
Comment
CAS-BOT-BC100333
Blepharizonia plumosa
R. F. Hoover
1937-8-31
2704
Contra Costa
Pittsburg
Comment
CAS-BOT-BC100334
Blepharizonia plumosa
Joanne Dean
1978-9-17
s.n.
Contra Costa
Byron
Comment
CAS-BOT-BC100336
Blepharizonia plumosa
R. F. Hoover
1937-9-2
2711
Contra Costa
1 mi. w. of Antioch
Comment
UC762568
Blepharizonia plumosa
Robert F. Hoover
1937-9-2
2711
Contra Costa
1 mi w of Antioch
Comment
CAS-BOT-BC100322
Blepharizonia plumosa
Eva Buxton
1994-8-10
1099
Contra Costa
Cowell Ranch, ca. 0.5 mi. E and 1 mi. S of Marsh Creek Reservoir
Comment
SEINET183705
Boechera breweri
L. Constance, J. L. Morrison
1938-4-5
2192
Contra Costa
Near Mitchell Canyon on west slope of Mount Diablo.
610
Comment
CAS-BOT-BC15955
Boechera breweri subsp. breweri
Alice Eastwood
1915-5-30
4513
Contra Costa
Mount Diablo.
Comment
UC691069
Boechera breweri subsp. breweri
Mary L. Bowerman
1932-4-16
1344
Contra Costa
Eagle Point Mount Diablo
Comment
UC691073
Boechera breweri subsp. breweri
Mary L. Bowerman
1932-3-27
1142
Contra Costa
Mitchell Rock Mount Diablo
Comment
SEINET5340097
Boechera breweri subsp. breweri
W. C. Blasdale
1896-2-28
s.n.
Contra Costa
Mt. Diablo
Comment
RSA41191
Boisduvalia glabella
Robert F. Hoover
1937-5-19
2119
Contra Costa
Byron Hot Springs
Comment
JEPS111899
Bolboschoenus maritimus
D. G. Kelch
2004-9-2
04 .335
Contra Costa
Pacheco Marsh Marsh east of Martinez and I-680 and east of lone tree Marsh.
5
Comment
CAS-BOT-BC31331
Bolboschoenus maritimus
John Thomas Howell; Gordon H. True
1972-6-29
48943
Contra Costa
Low places along Byron Hot Springs Road, SE of Byron.
Comment
UCD146728
Bolboschoenus maritimus subsp. paludosus
G. F. Hrusa; D. Crowe
1998-5-8
14395
Contra Costa
Sacramento-San Joaquin River Delta. East end of Dow Chemical property in Pittsburg.
15
Comment
JEPS111884
Bolboschoenus robustus
D. G. Kelch
2003-8-13
03 .104
Contra Costa
Martinez Marsh
0
Comment
CDA42003
Boschniakia strobilacea
B. Hosman
1974-6-2
s.n.
Contra Costa
in the native area
0
Comment
CAS-BOT-BC95309
Bowlesia incana
John Thomas Howell
1933-3-29
10901
Contra Costa
Nortonville hills
Comment
UC2028574
Bowlesia incana
Barbara Ertter with Stu Garrett
1997-3-29
15538
Contra Costa
West side Mount Diablo, north end of Mothers Trail.
Comment
RSA721286
Brachypodium distachyon
Barbara Ertter, Mary L. Bowerman
1995-5-7
14026
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, along road through annual grassland with scattered blue oak south of Marsh Creek. Road. summit.
305
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
UC34624
Brickellia californica
V. King Chesnut
1887-9-11
Contra Costa
Mt. Diablo
Comment
UC691784
Brickellia californica
Mary L. Bowerman
1933-9-3
2422
Contra Costa
rocky gully on sw side of ridge, e of dry spring and above large flat North Peak (Mount Diablo); , North Peak
Comment
UC691792
Brickellia californica
Mary L. Bowerman
1931-9-27
1051
Contra Costa
road to Quicksilver Mind (Mount Diablo); Mount Diablo
Comment
JEPS99494
Brickellia californica
Mary Bowerman
1994-10-30
Contra Costa
Mount Diablo, Hetherington Loop, streamlet just below upper stream crossing.
Comment
CDA31566
Briza maxima
D. G. Kelch, Andrew G. Murdock
2004-4-26
4 .139
Contra Costa
East Bay.; Point Pinole
Comment
CDA31567
Briza minor
D. G. Kelch, Andrew G. Murdock
2004-4-24
4 .104
Contra Costa
Carquinez Strait; Canada del Cierbo, along Cumming Skyway at Highway 80 ~ .75 km.
0
Comment
UC691193
Briza minor
Mary L. Bowerman
1931-4-11
686
Contra Costa
Pine Canyon Mount Diablo (lower end)
121
Comment
UC2032822
Bromus carinatus
Doran, Andrew Scott
2012-3-20
692
Contra Costa
North end of Brooks Island along ridge overlooking artificial spit, southwest of caretakers residence.
Comment
UCD57881
Bromus carinatus
Beecher Crampton
1956-5-14
3393
Contra Costa
Just east of old Nortonville. 7 miles southwest of Antioch.
Comment
SEINET191354
Bromus carinatus var. carinatus
A. A. Beetle
1942-3-22
2931
Contra Costa
Brooks Island, San Francisco Bay near Richmond.
Comment
UC606747
Bromus carinatus var. carinatus
Edward Lee
1936-4-19
1975
Contra Costa
San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock
Comment
SEINET11695933
Bromus carinatus var. marginatus
Unknown
1956-5-14
3393
Contra Costa
7 mi SW of Antioch, just E of old mining town of Nortonville
Comment
UC2028538
Bromus catharticus
Barbara Ertter
1998-2-15
15917
Contra Costa
Shell Ridge Open Space on northwest base of Mount Diablo, Edge of Bob Pond and picnic area at Old Borges Ranch.
Comment
CAS-BOT-BC156063
Bromus diandrus
Alice Eastwood
1921-4-18
10262
Contra Costa
Antioch.
Comment
CHSC116648
Bromus diandrus
Lowell Ahart; Josephine Guardino
2016-4-19
20790
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides ot 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
JEPS127239
Bromus diandrus
Lowell Ahart, Josephine Guardino
2016-4-19
20790
Contra Costa
1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Dam, approximately 25 miles (air) southwest to Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad.
Comment
UC579864
Bromus diandrus
Annetta Carter
1936-4-19
1128
Contra Costa
San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock
Comment
UC691228
Bromus diandrus
Mary L. Bowerman
1935-5-3
2954
Contra Costa
below Garden-of-the-Jungle Gods (Mount Diablo, Fossil Ridge); Mount Diablo, Fossil Ridge
Comment
UCD58533
Bromus diandrus
Beecher Crampton
1956-5-14
3409
Contra Costa
Southern boundary of Mt. Diablo State Park.
Comment
POM363884
Bromus hordeaceus
Anstruther Davidson
1930-07
3244
Contra Costa
Mt. Diablo.
Comment Read comments Mar 6 2011
UC1131074
Bromus hordeaceus
C. M. Belshaw
1936-5-7
2047
Contra Costa
2 mi s of San Ramon
274
Comment
UC60202
Bromus hordeaceus
J. B. Davy
1898-1
Contra Costa
Mount Diablo Region, Danville Danville; Mount Diablo Region, Danville
Comment
UC692343
Bromus hordeaceus
Mary L. Bowerman
1931-5-13
839
Contra Costa
Mount Diablo, Pine Canyon, 1 mi above spring Pine Canyon; Mount Diablo, Pine Canyon
Comment
UC692346
Bromus hordeaceus
Mary L. Bowerman
1933-4-15
1870
Contra Costa
Canyon s of Arroyo del Cerro (Mount Diablo); Mount Diablo
Comment
UC697135
Bromus hordeaceus
Mary L. Bowerman
1931-5-13
839 a
Contra Costa
Mount Diablo, Pine Canyon, 1 mi above spring Pine Canyon; Mount Diablo, Pine Canyon
Comment
UC697215
Bromus hordeaceus
Mary L. Bowerman
1931-4-18
732
Contra Costa
Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon
365
Comment
UCD58674
Bromus hordeaceus
L. S. Smith
1914-5-9
UCX 283
Contra Costa
Mt. Diablo. West slope.
Comment
CAS-BOT-BC162451
Bromus laevipes
Leon E. Pavlick; L. R. Abrams
1921-5-25
8041
Contra Costa
At spring 4.25 miles from summit of Mount Diablo.
Comment
UC2070614
Bromus laevipes
Barbara Ertter with John Ginochio
2002-6-1
17943
Contra Costa
Ginochio Ranch in Arroyo del Cerro on NW side of Mount Diablo, connector road between Government Road and Olofson Homestead.
Comment
SEINET10835104
Bromus macrostachys
Davis
1941-1
Davis B 139
Contra Costa
Briones Hills. Cultivated, greenhouse. (See Ph.D. thesis of P.F. Knowles, 1942.)
Comment
POM301030
Bromus madritensis
Mary L. Bowerman
1933-5-8
2004
Contra Costa
Fossil Ridge, south face, not far from but out of sight of South Entrance
290
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
UC692347
Bromus madritensis subsp. rubens
Mary L. Bowerman
1932-4-27
1385
Contra Costa
canyon w of Riggs Canyon (Mount Diablo, Oyster Ridge); Mount Diablo, Oyster Ridge
335
Comment
SEINET10523815
Bromus rigidus
Alan A. Beetle
1942-3-22
Beetle 2932
Contra Costa
Brooks Island, San Francisco Bay, near Richmond.
Comment
UCD59584
Bromus rubens
P. B. Kennedy
1916-5-8
s.n.
Contra Costa
Byron Springs.
Comment
CAS-BOT-BC161947
Bromus rubens
Mary L. Bowerman
1933-3-18
1751
Contra Costa
Mount Diablo below the chaparral belt, a little east of the meridian.
548
Comment
CAS-BOT-BC161953
Bromus rubens
Mary L. Bowerman
1931-5-7
810
Contra Costa
Mount Diablo. North Peak.
Comment
CDA15253
Bromus stamineus
G. F. Hrusa, D. Crowe
1998-5-8
14384
Contra Costa
Sacramento Delta; Annual on edge of +- disturbed roadside adjacent to wetland in Dow Ecological Reserve on Dow Chemical property at Pittsburg. Uncommon here.
Comment
UC1103346
Bromus trinii
J. P. Tracy
1900-5-24
613
Contra Costa
San Francisco Bay Region, Point Richmond Point Richmond; San Francisco Bay Region, Point Richmond
3
Comment
UC53715
Bromus trinii
Jos. Burtt Davy
1900-3-24
6539
Contra Costa
Point Richmond
Comment
JEPS84819
Calamagrostis rubescens
J. Stratford
1981-6-8
Contra Costa
Huckleberry Trail Huckleberry Botanic Regional Preserve
Comment Read comments Aug 20 2008
JEPS112038
Calandrinia ciliata
D. G. Kelch
2004-3-5
04 .5
Contra Costa
Martinez - Rankin Open Space Rankin Park, Martinez
56
Comment
UCR12027
Calandrinia ciliata
Coleta A. Lawler
1964-5-8
56
Contra Costa
San Francisco Bay Region, Hampton Road, 3 .7 mi south of junction with Alhambra Valley Road; c. 10 miles northwest of Lafayette
46
Comment
CAS-BOT-BC438365
Calandrinia ciliata
unspecified
No date on label
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC438371
Calandrinia ciliata
Alice Eastwood
1914-3-6
s.n.
Contra Costa
Concord
Comment
CHSC24837
Calandrinia ciliata var. menziesii
M. A. Callahan
1976-4-14
14
Contra Costa
Small pop. 5 m. from roadside w of house at 1976 Mohawk Dr. Pleasant Hill.
115
Comment
UC1795791
Callitriche heterophylla var. bolanderi
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14034
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, in water of pond west of road in grassy flat.
Comment
UC2031431
Callitriche marginata
Barbara Ertter with David Gowen
2006-6-6
18677
Contra Costa
Upper San Leandro Reservoir Watershed (EBMUD) south Moraga
Comment
UC2028568
Callitriche trochlearis
Barbara Ertter with Brad Olson, Jim Shevock, et al.
1997-3-19
15516
Contra Costa
Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood.
Comment
UC2031422
Calochortus albus
Barbara Ertter
1991-6-1
10086
Contra Costa
Las Trampas Regional Wilderness in hills W of Danville, Elderberry Trail ca. 1/2 mi from trailhead
Comment
UC2028252
Calochortus argillosus
Barbara Ertter, Mary Bowerman, Lisa Schultheis
1998-8-21
16395
Contra Costa
Southwest base of Mount Diablo, South Gate Road 0.7 miles from park boundary.
Comment
CAS-BOT-BC132501
Calochortus pulchellus
Carl Purdy
1899-5-15
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
JEPS127898
Calochortus pulchellus
Adam C. Schneider
2014-5-15
450
Contra Costa
Mt. Diablo State Park: Alongside Blackhawk Ridge Trail, south of its divergence from Knobcone Pine Trail.
Comment
JEPS55634
Calochortus pulchellus
Wayne Roderick
1967-5-30
Contra Costa
ca 7 rd mi e Clayton (Marsh Creek Road, between Marsh Creek Stables and Inn)
Comment
JEPS61708
Calochortus pulchellus
W. L. Jepson
1923-6-10
10001
Contra Costa
Upper Marsh Creek Mt. Diablo
Comment
POM170033
Calochortus pulchellus
H. M. Hall
1910-5-30
10132
Contra Costa
Mt. Diablo, north slope near Pine Canyon
366
Comment
RSA215950
Calochortus pulchellus
D. E. Breedlove
1970-4-18
17425
Contra Costa
At the north edge of Lafayette above Laurel Drive
244
Comment
RSA304215
Calochortus pulchellus
James R. Shevock
1971-4-7
917
Contra Costa
Mt. Diablo State Park.
549
Comment
UC843700
Calochortus pulchellus
Harold V. Manor
1913-5-18
Contra Costa
Mt. Diablo
Comment
POM153228A
Calochortus pulchellus
C. L. Hitchcock
1928-6-5
14
Contra Costa
Between Port Costa and Martinez.
18
Comment Read comments Feb 14 2017
JEPS61718
Calochortus splendens
W. L. Jepson
1919-6-8
8326
Contra Costa
Mt. Diablo
Comment
RSA757049
Calochortus umbellatus
Rudolf Schmid
1997-4-8
1997 -2
Contra Costa
Hillside Natural Area, El Cerrito; southwest of Kent Drive- Regency Ct. entrance, north side of junction of the two main fire roads
145
Comment
UC1601667
Calochortus umbellatus
Brewer
1890-1
1035
Contra Costa
Walnut Creek
Comment
CAS-BOT-BC494046
Calochortus venustus
Alice Eastwood
1915-5-30
4445
Contra Costa
Mt. Diablo
Comment
RSA68630
Calochortus venustus
Frank W. Peirson
1923-7-1
3682
Contra Costa
Mt. Diablo.
Comment
UC2028988
Calochortus venustus
Barbara Ertter
2000-5-14
17007
Contra Costa
Donner Canyon on north side of Mount Diablo, SW end of Falls Trail between Middle Trail and Donner Creek crossing.
Comment
UCD95579
Caltha palustris
E. Dean; with Thomas Starbuck
1993-5-1
359
Contra Costa
Oakland hills, canyon E of Skyline Blvd., growing in stream that separates Huckleberry Preserve from Sibley Volcano Park, along Skyline Trail, near old homestead site.
Comment
UCD129979
Calycadenia truncata
Ann F. Johnson
1978-8-19
s.n.
Contra Costa
Mt. Diablo State Park.
Comment
CAS-BOT-BC275399
Calycadenia truncata var. truncata
L. R. Abrams
1910-10-8
4338
Contra Costa
Mount Diablo
701
Comment
RSA710258
Calystegia malacophylla subsp. pedicellata
R. K. Brummitt, J. L. Strother, B. G. Baldwin
1997-5-27
19606
Contra Costa
Mt. Diable, W side, Deer Flat Road.
800
Comment
UC691903
Calystegia malacophylla subsp. pedicellata
Mary L. Bowerman
1935-5-25
3072
Contra Costa
s summit (Mount Diablo); Mount Diablo
1082
Comment
UC1948945
Calystegia purpurata
William J. Ferlatte, L. Maynard Moe
1970-4-27
1236
Contra Costa
San Francisco Bay: Red Rock Island
Comment
UC691845
Calystegia purpurata
Mary L. Bowerman
1933-4-26
1918
Contra Costa
North Peak ridge ese of the Peak (south face, Mount Diablo); Mount Diablo, North Peak Ridge ese of the peak
609
Comment
SD225764
Calystegia purpurata subsp. purpurata
R. K. Brummitt, J Stother & B. Baldwin
1997-5-27
19605
Contra Costa
Mt 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
UCD119366
Calystegia sepium subsp. limnophila
Jean Shepard; Scott Shepard
2011-8-28
857
Contra Costa
Antioch Marina. South side of the San Joaquin River, east of the San Francisco Bay, approximately 3 1/4 miles west of the Antioch Bridge.
0
Comment
UC1794986
Calystegia subacaulis subsp. subacaulis
R. K. Brummitt and B. Ertter
1998-5-6
19788
Contra Costa
Mt. Diablo, NE side, Donner Track
400
Comment
UC691849
Calystegia subacaulis subsp. subacaulis
Mary L. Bowerman
1931-4-11
709
Contra Costa
toward mouth Pine Canyon (Mount Diablo); , Pine Canyon toward mouth
Comment
JEPS31810
Camissonia campestris
Miss Linda Gehringer
1914-3-29
Contra Costa
Brentwood
Comment
UC198869
Camissonia campestris subsp. campestris
Chesnut and Drew
1887-4-18
Contra Costa
Antioch
Comment
UC35393
Camissonia campestris subsp. campestris
Chesnut and Drew
1889-4-17
Contra Costa
Antioch
Comment
RSA454744
Camissonia campestris subsp. campestris
H. de Forest
1930-4-6
s.n.
Contra Costa
[No location information on label.]
Comment
UC84570
Camissonia contorta
Katharine Brandegee
May 1883
Contra Costa
Antioch
Comment
UC2028261
Camissonia hirtella
Barbara Ertter
1999-6-12
16719
Contra Costa
Knobcone Point Road on south side of Mount Diablo, burned chamissal at head of NE fork of Sycamore Creek.
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
SEINET12189053
Camissonia strigulosa
L. S. Rose
1938-1
38223
Contra Costa
Antioch
15
Comment
UC20644
Camissoniopsis micrantha
W. H. Brewer
1862-5-22
1137
Contra Costa
hills s Coal Mines (ne of Mt. Diablo)
Comment
JEPS2509
Campanula exigua
Volney Rattan
1886-6-1
Contra Costa
Monte Diablo; ; Mt. Diablo
Comment
JEPS6159
Campanula exigua
Mary L. Bowerman
1930-6-14
330
Contra Costa
Meridian Peak summit; Mount Diablo
Comment
JEPS102903
Campanula griffinii
Barbara Ertter with M. L. Bowerman, L. Schultheis & K. Hintsa
1995-10-22
14535
Contra Costa
road junction of Three Springs trail on NE side of mountain Mount Diablo
365
Comment
UC2029116
Campanula griffinii
Barbara Ertter with D. Gowen, J. Ginochio, M. Park, S. Matson, A. Moore, S. D'Alcamo, J. Greenhouse, K. Kersh and J. Gawthrup
2005-4-8
18570
Contra Costa
Long Ridge on west flank of Mt. Diablo, springs and pond on Ginochio property near park boundary.
Comment
CHSC21613
Capsella bursa-pastoris
Willis Ball
1975-2-23
438
Contra Costa
Contra Loma Regional Park. In area #1. Ca. 10 yds e of restroom facility on n side of lake.
30
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
RSA29680
Capsella bursa-pastoris
Joseph A. Ewan
1936-5-3
9495
Contra Costa
Wildcat Creek near Orinda road bridge.
Comment
UC1126894
Cardamine californica
R. C. Wilson
1935-3-27
146
Contra Costa
Oyster Pt. Mt. Diablo Quad., Oyster Pt.
Comment
UC691077
Cardamine californica
Mary L. Bowerman
1930-6-10
303
Contra Costa
Mount Diablo
Comment
UC691085
Cardamine californica
Mary L. Bowerman
1931-2-8
504
Contra Costa
Mineral Spring , Mineral Spring (Mount Diablo)
396
Comment
RSA272927
Cardamine californica var. integrifolia
Lyman Benson
1935-3-16
6263
Contra Costa
Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo.
915
Comment
RSA21594
Cardamine californica var. integrifolia
C. B. Wolf
1937-3-28
8319
Contra Costa
2 miles south of Pinole on San Pablo road
30
Comment
JEPS111859
Cardamine oligosperma
D. G. Kelch
2004-3-5
04 .8
Contra Costa
Sky Ranch Dutra Fire Road. Franklin Canyon
250
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
CDA19118
Cardaria chalepensis
R. M. Case
2001-5-1
PDR P 088777
Contra Costa
Solano Ave., Concord.
0
Comment
POM301032
Carduus pycnocephalus
Mary L. Bowerman
1935-5-25
3079
Contra Costa
North Road 2.4 miles from entrance (by sheperd's camp)
305
Comment
RSA8534
Carduus pycnocephalus
J. T. Howell
1933-5-14
11246
Contra Costa
Hills east of St. Mary's college
Comment
UC1555379
Carduus pycnocephalus subsp. pycnocephalus
Jerry Powell
1988-5-18
1536
Contra Costa
Pt. Molate, w Richmond Richmond, Pt. Molate
Comment
UC691374
Carduus tenuiflorus
Mary L. Bowerman
1932-5-6
1412
Contra Costa
on floor of Mitchell Canyon; Mount Diablo, Mitchell Canyon
213
Comment
CAS-BOT-BC19208
Carex barbarae
Walter Knight; B. Atwater; R. Bensler; J. Dean; B. Mortensen
1979-4-13
3371
Contra Costa
Center of Browns Island.
Comment
UC1555369
Carex barbarae
Jerry Powell
1988-3-8
1526
Contra Costa
Point Molate in W Richmond
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
CDA32069
Carex barbarae
D. G. Kelch
2006-3-18
6 .105
Contra Costa
2 km N-NW of Orinda Village. NW of corner of San Pablo Dam Rd & Bear Valley Rd.
0
Comment
CAS-BOT-BC34930
Carex densa
Mary L. Bowerman
1934-4-21
2531
Contra Costa
Mount Diablo. Canyon Nook at junction of North and South Roads.
Comment
CAS-BOT-BC20852
Carex globosa
John Thomas Howell
1953-3-15
28923
Contra Costa
Rock City, Mt. Diablo.
Comment
SEINET11268158
Carex globosa
Barbara Ertter, Dan Norris
1998-6-18
16230
Contra Costa
Black Hawk Ridge Road below Knobcone Point Road, south side of Mount Diablo.; 0
Comment
CAS-BOT-BC119740
Carex nebrascensis
Walter Knight
1979-6-15
3377
Contra Costa
Crooked Slough. Browns Island.
Comment
SEINET10584363
Carex nudata
M. Bowerman
Bowerman s.n.
Contra Costa
Mount Diablo. Sycamore Creek Canyon. Forming clumps in rocky streambed.
244
Comment
UC2070640
Carex nudata
Barbara Ertter
2002-8-24
18033
Contra Costa
Lower Perking Canyon on NE base of Mount Diablo.
Comment
CAS-BOT-BC119014
Carex pellita
Miss Mary Leolin Bowerman
1935-5-16
3000
Contra Costa
Russelmann Park road at Gregory Ranch junction.
289
Comment
CAS-BOT-BC119016
Carex pellita
Walter Knight
1979-6-15
3382
Contra Costa
Straight Slough. Browns Island.
Comment
UC1952822
Carex pendula
Barbara Ertter with David Gowen
2010-11-17
20699
Contra Costa
southeast part of Lime Ridge Open Space (City of Walnut Creek), lower end of east-facing drainage below Crystyl Ranch Trail ca 1/4 mi N of jct Paraiso Trail
Comment
UC2029197
Carex serratodens
Barbara Ertter with Michelle Lee et al.
2002-6-29
17964
Contra Costa
Lower Curry Creek on east side of Mount Diablo, private property just above Morgan Territory
Comment
SEINET7575209
Carex serratodens
Lewis S. Rose
1935-5-16
35163
Contra Costa
Mt. Diablo.
Comment
UC2028564
Carex serratodens
Barbara Ertter with Mary Bowerman
1996-11-1
15405
Contra Costa
North base of Mount Diablo, lower Donner Creek between trailhead and cabin site, along now dried stream bed.
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
UC593503
Carex subbracteata
G. L. Stebbins Jr.
1936-5-9
1555
Contra Costa
e side Wildcat Canyon; Berkeley Hills
Comment
UC8054
Carex subbracteata
Brewer
1862-4-30
1012
Contra Costa
Walnut Creek
Comment
UC2029203
Carex tumulicola
Barbara Ertter
1999-7-17
16770
Contra Costa
Tilden Regional Park, trail to Jewel Lake paralleling Wildcat Creek
Comment
CDA37471
Carthamus lanatus
Vince Guise
2012-6-12
PDR# 1649643
Contra Costa
Concord; Highway 4 at Interstate 680 interchange.
0
Comment
JEPS21966
Carthamus tinctorius
G. Thomas Robbins with S. Galen Smith
1958-6-2
3850
Contra Costa
at junction with U.S. Highway 40 Franklin Canyon Road (State Highway 4) (Hercules (a short distance w of its e boundary)); Hercules, Franklin Canyon
Comment
UCD122150
Castilleja affinis
August Hartman
1960-4-19
7
Contra Costa
Along North Gate Road on Mt. Diablo.
609
Comment
JEPS65198
Castilleja affinis subsp. affinis
L. R. Heckard
1971-4-15
2469
Contra Costa
e of Mt. Diablo (along Morgan Territory road, 7 mi n of Morgan Territory road intersection with Manning road)
487
Comment
UC26493
Castilleja affinis subsp. affinis
Jos. Burtt Davy
1901-4-21
6924
Contra Costa
Wildcat Canyon
Comment
UC765541
Castilleja affinis subsp. affinis
R. F. Hoover
1938-5-4
3346
Contra Costa
peak e of Tassajero Creek
Comment
CHSC116632
Castilleja attenuata
Lowell Ahart; Josephine Guardino
2016-4-19
20778
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 Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
JEPS65193
Castilleja attenuata
L. R. Heckard
1971-4-15
2474
Contra Costa
5.5 mi n Morgan Territory road intersection with Manning road (e of Mt. Diablo)
Comment
UC691580
Castilleja attenuata
Mary L. Bowerman
1932-4-9
1333
Contra Costa
from near Rock City ridge to Wall Point; Mount Diablo
Comment
UC691581
Castilleja attenuata
Mary L. Bowerman
1933-5-4
1990
Contra Costa
Rock City Ridge (= Fossil Ridge); Mount Diablo
Comment
JEPS19401
Castilleja densiflora subsp. densiflora
G. Thomas Robbins
1937-4-17
134
Contra Costa
near Point Richmond
Comment
CHSC22515
Castilleja exserta
Robert A. Schlising
1962-3-24
2106
Contra Costa
Coast Ranges. Along Marsh Creek Road, about 4 mi w of Byron.
Comment
JEPS16805
Castilleja exserta subsp. exserta
Rimo Bacigalupi with G. Thomas Robbins
1955-5-4
4983
Contra Costa
1.25 mi e Antioch (near the San Joaquin River)
9
Comment
JEPS15165
Castilleja foliolosa
R. C. Wilson
1935-3-14
136
Contra Costa
Head of Sycamore Creek; Mt. Diablo Quad.
365
Comment
UC1081509
Castilleja foliolosa
H. L. Mason
1928-3-4
4169
Contra Costa
Shell Ridge
Comment
SEINET5542767
Castilleja foliolosa
H. S. Gentry
1931-1
53
Contra Costa
Collected near Buckle Point, Mount Diablo.
Comment
UC2045291
Castilleja parviflora var. douglasii
Mary L. Bowerman
1930-6-5
243
Contra Costa
West road, 5.8 miles from entrance
Comment
CDA41397
Castilleja rubicundula subsp. lithospermoides
A. G. Murdock
2003-6-24
114
Contra Costa
Carquinez Strait; Near upper trail on north side of Mount Wanda, Martinez.
Comment
JEPS11158
Castilleja rubicundula subsp. lithospermoides
R. F. Hoover
1939-4-25
4064
Contra Costa
Richmond hills* Richmond hills; Richmond
Comment
RSA517383
Castilleja wightii
L. R. Heckard
1973-6-6
3421
Contra Costa
North-facing slope. Ravine behind La Moine Park (Richmond).
122
Comment
SEINET10582750
Castilleja wightii
Lawrence R. Heckard
1973-6-6
Heckard 3421
Contra Costa
Ravine behind La Moine Park (Richmond).
122
Comment
CAS-BOT-BC41035
Caulanthus flavescens
Mary L. Bowerman
1935-4-22
2879
Contra Costa
Mount Diablo. North Road 2 miles from North Gate.
213
Comment
CAS-BOT-BC40515
Caulanthus lasiophyllus
W. H. Brewer
1862-4-24
987
Contra Costa
Camp 68. Martinez.
Comment
CAS-BOT-BC48831
Ceanothus cuneatus
W. W. Carruth
1902-3-1
s.n.
Contra Costa
Pine Ridge Moraga Valley
Comment
POM136472
Ceanothus cuneatus
H. P. Chandler
1901-4-5
977
Contra Costa
Mt. Diablo
Comment
RSA753076
Ceanothus cuneatus
Dylan O. Burge
2007-5-9
DOB- 916 c
Contra Costa
Mount Diablo State Park: roadside on South Gate Road 1.5 road miles (2.4 km) N of entrance gate, 6.38 km 67 degrees (True) ENE of DAnville.
380
Comment
UCD111751
Ceanothus cuneatus
P. B. Kennedy
1916-5-31
s.n.
Contra Costa
between Diablo and summit.
Comment
JEPS48863
Ceanothus cuneatus var. cuneatus
Elsa Kraeger
1926-3-7
Contra Costa
e side Mt. Diablo
Comment
UC692610
Ceanothus cuneatus var. cuneatus
Mary L. Bowerman
1931-2-28
527
Contra Costa
near top of South Rd Mount 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
OBI10513
Ceanothus gloriosus var. exaltatus
Robert F. Hoover
1962-3-23
8541
Contra Costa
Cultivated in Tilden park botanic garden. Originally from 11 mi S of Guerneville (8 mi W of Sebastopol, Sonoma Co)
Comment
JEPS42198
Ceanothus oliganthus var. sorediatus
W. L. Jepson
1916-7-16
6814
Contra Costa
Oakland hills
Comment
UC1281425
Ceanothus oliganthus var. sorediatus
H. E. McMinn
1922-5-30
108
Contra Costa
near Pinehurst (canyon though which runs the Oakland Antioch RR)
Comment
UC692586
Ceanothus oliganthus var. sorediatus
Mary L. Bowerman
1932-9-17
1580
Contra Costa
West branch of Donner Canyon Mount Diablo
Comment
HSC18334
Ceanothus thyrsiflorus
D. A. Shally
1965-4-18
34
Contra Costa
Canyon, 1.5 mi. NE of Canyon Store on 'fire trail
Comment
UCD129962
Centaurea benedicta
Collector Unknown
Date Unknown
s.n.
Contra Costa
Southwest of Kelseyville.
Comment
CDA7090
Centaurea calcitrapa
T. C. Fuller
1961-9-13
7000
Contra Costa
Highway J4, ca. 4 miles southeast of Byron.
0
Comment
RSA721533
Centaurea melitensis
Mary L. Bowerman
1994-6-19
s.n.
Contra Costa
Mount Diablo, Muir Area. adjacent to road
Comment
JEPS75544
Centaurea solstitialis
P. F. Yorks
1974-8-10
362
Contra Costa
ca 1.8 km s of Bear Creek Road (on Hampton Road in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Perserve, Briones Reservoir
200
Comment
UC2042753
Centaurium tenuiflorum
Barbara Ertter with Brad Olson and Lynne Hosley
1993-11-14
12320
Contra Costa
Skyline Trail in East Bay Hills west of Orinda, above Caldecott Tunnel between Fish Ranch Road and Roundtop.
Comment
UCR260816
Centranthus ruber
D. Finley
1998-5-25
4- 01
Contra Costa
San Francisco Bay Region, Highway 24 east, 1/8 road mile east of the Caldecott Tunnel, west side of freeway
305
Comment
UC2028105
Centranthus ruber
Barbara Ertter with Christopher Baysdorfer
1998-5-10
16119
Contra Costa
Lime Ridge Open Space northwest of Mount Diablo.
Comment
CAS-BOT-BC288546
Centromadia fitchii
James I. McMurphy
1908-10-18
s.n.
Contra Costa
Antioch
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-BC288543
Centromadia fitchii
L. S. Rose
1941-10-13
41464
Contra Costa
1 mile E of Walnut Creek
50
Comment
CAS-BOT-BC288544
Centromadia fitchii
James I. McMurphy
1909-5-20
s.n.
Contra Costa
Antioch Hills
Comment
UC2028246
Centromadia fitchii
Barbara Ertter, Tony Morosco
1998-9-18
16416
Contra Costa
Lime Ridge Open Space northwest of Mount Diablo, Valley Vista Road entrance.
Comment
UCD14671
Centromadia pungens
Mick Canaveri
1997-4-1
s.n.
Contra Costa
near Brentwood.
Comment
CAS-BOT-BC279109
Centromadia pungens subsp. laevis
H. D. Ripley; R. C. Barneby
1954-5-1
11340
Contra Costa
1 mi. s. of Byron Hot Springs
15
Comment
OBI18127
Centromadia pungens subsp. pungens
Robert F. Hoover
1967-4-28
10515
Contra Costa
Byron Hot Springs
Comment
UC1563855
Centromadia pungens subsp. pungens
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8138
Contra Costa
alkali sink w and adjacen to Clifton Court Forebay (ca 15 air mi sw of Stockton)
0
Comment
UC912272
Centromadia pungens subsp. pungens
H. L. Mason
1929-9-21
5438
Contra Costa
Marsh Creek Road
Comment
CAS-BOT-BC279197
Centromadia pungens subsp. pungens
Alice Eastwood
1923-4-28
11666
Contra Costa
Byron Springs
Comment
JEPS35033
Centromadia pungens subsp. pungens
W. L. Jepson
1896-5-31
Contra Costa
Wild Cat Creek
Comment
JEPS111075
Centunculus minimus
Lee Echols
2003-4-15
s.n.
Contra Costa
S of Lark Drive and N of EPA Building, within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond
15
Comment
JEPS111783
Cerastium glomeratum
D. G. Kelch
2003-3-21
03 .72
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive
40
Comment
JEPS111948
Chamaesyce serpens
D. G. Kelch
2003-8-13
03 .118
Contra Costa
Martinez Marsh
1
Comment
CAS-BOT-BC70279
Cheilanthes intertexta
Alice Eastwood
1915-5-30
4528
Contra Costa
Mt. Diablo
Comment
UC1618329
Chenopodium album
Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson
1991-10-20
10884
Contra Costa
just w Antioch marina (levee at n-center of preserve, at end of road); Dow Wetlands Preserve
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
JEPS45847
Chenopodium californicum
Mrs. E. L. Mossman
1931-3-26
70
Contra Costa
e Richmond; Berkeley Hills
121
Comment
UC1199816
Chenopodium californicum
Herbert L. Mason
1929-3-31
5158
Contra Costa
Antioch Sacramento River
Comment
UC691935
Chenopodium californicum
Mary L. Bowerman
1931-3-7
546
Contra Costa
Sheep Corral Spring Mount Diablo
Comment
PASA2694
Chenopodium californicum
Annetta Carter
1929-3-31
137
Contra Costa
Near Clayton; hills north of Mt. Diablo
Comment
UCR13095
Chlorogalum pomeridianum
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
JEPS75512
Chlorogalum pomeridianum var. pomeridianum
P. F. Yorks
1975-6-29
460
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
200
Comment
UC1004357
Chlorogalum pomeridianum var. pomeridianum
M. S. Cave
1949-6-26
4901
Contra Costa
Arlington Avenue n Mira Vista entrance (hillside); Kensington
Comment
UC77552
Chorizanthe membranacea
Brandegee
April, 1889
Contra Costa
Mount Diablo
Comment
UCD99773
Chorizanthe membranacea
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
Between Diablo and Summit.
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-BC30110
Chrysolepis chrysophylla var. minor
H. E. Mc. Minn
1925-1-1
s.n.
Contra Costa
Head of San Leandro Creek
Comment
CAS-BOT-BC30113
Chrysolepis chrysophylla var. minor
W. B. Stephens
1919-11-22
s.n.
Contra Costa
Moraga ridge
Comment
JEPS38084
Chrysolepis chrysophylla var. minor
W. L. Jepson
1943-10-13
27500
Contra Costa
Moraga Ridge
Comment
CAS-BOT-BC277977
Cirsium cymosum
John Thomas Howell
1931-5-12
6479
Contra Costa
North side of Mt. Diablo
Comment
UC691378
Cirsium cymosum var. cymosum
Mary L. Bowerman
1935-5-22
3041 a
Contra Costa
Eagle Point Ridge, canyon at n e of which heads into saddle w of Twin Peaks Mount Diablo
304
Comment
CAS-BOT-BC288047
Cirsium occidentale var. venustum
L. R. Abrams
1921-5-25
8049
Contra Costa
4 1/2 miles from summit, Mt. Diablo
Comment
SEINET4023759
Cirsium occidentale var. venustum
B. C. Templeton
1962-1
sn
Contra Costa
Mt. Diablo.
Comment
UC1607628
Cirsium occidentale var. venustum
Barbara Ertter, Lynne Hosley
1992-8-29
11265
Contra Costa
E of Mount Diablo (Prairie Falcon trail); Morgan Territory Regional Preserve
Comment
JEPS75543
Cirsium vulgare
P. F. Yorks
1974-8-10
363
Contra Costa
ca. 1.8 km. s Bear Creek Road (on Hampton Road in Hampton Road Natural Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve
180
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
CAS-BOT-BC162564
Clarkia affinis
Mary L. Bowerman
1935-5-22
3041
Contra Costa
Eagle Point Ridge, canyon at north end which heads into saddle west of Twin Peaks - Mount Diablo
304
Comment
CAS-BOT-BC162566
Clarkia affinis
Alice Eastwood
1923-5-4
11734
Contra Costa
Mt. Diablo
Comment
JEPS111557
Clarkia affinis
A. G. Murdock
2003-6-2
85
Contra Costa
Port Costa - Reservoir: Uphill bank at east Crockett-Port Costa junction
28
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-BC162563
Clarkia affinis
Mary L. Bowerman
1933-5-17
2095
Contra Costa
Branch of Curry Canyon due south of Olafsons' barn - Mount Diablo
Comment
UC1143226
Clarkia affinis
H. Lewis and C. Epling
1947-5-2
196
Contra Costa
1 mi w Curry Creek Park Road (Marsh Creek Road)
Comment
CDA9430
Clarkia biloba
D. G. Kelch
1999-6-23
99 .001-D
Contra Costa
Carquinez Strait; Vaca Canyon along Alhambra Valley Road about 1.5 mile East of Pig Sale.
Comment
JEPS111565
Clarkia biloba subsp. biloba
D. G. Kelch
2000-5-22
00 .142
Contra Costa
Crockett - Eckley North-facing railroad cuts west of Bull Valley Staging Area
7
Comment
JEPS111569
Clarkia biloba subsp. biloba
D. G. Kelch
2004-5-9
04 .210
Contra Costa
Crockett - Eckley Hills north of Bull Valley Staging Area
13
Comment
LA106651
Clarkia biloba subsp. biloba
W. L. Jepson;
1918-6-3
7585
Contra Costa
Donner Canyon, Mount Diablo
685
Comment
LA45413
Clarkia concinna
Joseph Andorfer Ewan;
1934-5-20
8932
Contra Costa
Mt. Diablo, Russelmann Park
Comment
UC1952185
Clarkia concinna subsp. concinna
R. Raiche
1981-3-1
s.n.
Contra Costa
North America, U.S.A., California, Contra Costa County: Mt. Diablo. N. Slope of N. peak in talus slopes below the ridge line. Under Quercus spp., Juniperus californica, Cercocarpus betuloides & Pelea baldwinii.
Comment
UC692496
Clarkia concinna subsp. concinna
Mary L. Bowerman
1930-6-5
241
Contra Costa
ca. 5 1/2 mi from North Gate (North Road); Mount Diablo
457
Comment
UC1819002
Clarkia gracilis subsp. gracilis
Barbara Ertter, Tom Delendick
1996-5-2
14612
Contra Costa
Mount Diablo State Park, Deer Flat Road north of Juniper Camp, at cut through open live oak forest, northwest-facing slope.
853
Comment
JEPS75482
Clarkia purpurea subsp. purpurea
P. F. Yorks
1974-5-24
168
Contra Costa
ca 1.7 km s Bear Creek Road (on Hampton Road, n of Briones Reservoir); Hampton Road Natural Reserve
Comment
POM257244
Clarkia purpurea subsp. purpurea
H. L. Mason
1928-4-26
4379
Contra Costa
Around Berkeley and Oakland.
Comment
CAS-BOT-BC163667
Clarkia purpurea subsp. quadrivulnera
L. R. Abrams
1916-6-30
5712
Contra Costa
Mt. Diablo near lake
Comment
CDA33413
Clarkia purpurea subsp. quadrivulnera
D. G. Kelch, D. A. Weinstein
2011-5-28
11 .539
Contra Costa
Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl.
Comment
UC692441
Clarkia purpurea subsp. quadrivulnera
Mary L. Bowerman
1931-5-19
875
Contra Costa
Donner Canyon trail Mount Diablo
Comment
UC692493
Clarkia purpurea subsp. quadrivulnera
Charles Belshaw
1936-5-13
2112
Contra Costa
ridge n Marsh Creek (about 2 mi nw of summit of Clayton-Livermore road); Mount Diablo
Comment
CDA9193
Clarkia purpurea subsp. quadrivulnera
Christopher Thayer
1995-5-2
s.n.
Contra Costa
Carquinez Strait; Carquinez Scenic Dr near Ozol entrance gate.
0
Comment
POM300657
Clarkia purpurea subsp. quadrivulnera
Mary L. Bowerman
1942-5-24
3840
Contra Costa
Mount Diablo: Jim White Trail to Deer Flat; west slope of Deer Ridge
854
Comment
POM300658
Clarkia purpurea subsp. quadrivulnera
Mary L. Bowerman
1931-5-23
902
Contra Costa
Mount Diablo: Oyster Point, grassy north face
Comment
UCD104921
Clarkia purpurea subsp. quadrivulnera
Jennifer Davies
1982-4-11
3
Contra Costa
1 mile NW of South Checking Station on South Gate Road, Mt. Diablo.
487
Comment
JEPS75480
Clarkia rubicunda
P. F. Yorks
1975-7-18
473
Contra Costa
n of Briones Reservoir (ca 1.9-2.0 km s of Bear Creek Road on Hampton Road in Hampton Road Natural Reserve); Hampton Road Natural Reserve
Comment
UC1279946
Clarkia rubicunda
Peter H. Raven
1957-7-5
11050
Contra Costa
ne side of hills Point Richmond
106
Comment
UC1795692
Clarkia unguiculata
Barbara Ertter, Kristin Ertter
1995-7-11
14477
Contra Costa
Stage Road along Pine Cr. in Diablo Foothills Regional Park southwest of Walnut Creek; partial shade of oak forest,
152
Comment
CAS-BOT-BC439167
Claytonia exigua subsp. exigua
John Thomas Howell
1926-3-7
1676
Contra Costa
Mt. Diablo
Comment
UC1136707
Claytonia exigua subsp. exigua
R. C. Wilson
1935-3-29
162
Contra Costa
1 mi w Deer Flat; Mt. Diablo Quad.
716
Comment
UC1818931
Claytonia exigua subsp. exigua
Barbara Ertter, Brad Olson, Diane Lake
1996-4-14
14592
Contra Costa
Mount Diablo; ; North Peak of Mt. Diablo; open rocky flats.
Comment
POM164052
Claytonia gypsophiloides
Edward L. Greene
1903-4-28
4611
Contra Costa
Mitchell s canon, Mt. Diablo.
Comment
CAS-BOT-BC439436
Claytonia parviflora subsp. parviflora
Mary L. Bowerman
1930-6-14
331
Contra Costa
Mount Diablo. Meridian Peak Summit
Comment
JEPS75502
Claytonia perfoliata subsp. mexicana
P. F. Yorks
1975-4-10
382
Contra Costa
ca 1.7 km s Bear Creek Rd on Hampton Rd in Hampton Road Natural Reserve (n of Briones Reservoir)
190
Comment
UC1136717
Claytonia perfoliata subsp. perfoliata
R. C. Wilson
1935-3-12
121
Contra Costa
1.5 mi ne Danville; Mt. Diablo Quad.
198
Comment
CAS-BOT-BC440078
Claytonia perfoliata subsp. perfoliata
Lewis S. Rose
1933-3-10
33013
Contra Costa
Brentwood
Comment
CAS-BOT-BC440079
Claytonia perfoliata subsp. perfoliata
Alice Eastwood
1914-3-17
3772
Contra Costa
Byron Springs
Comment
UC1050389
Clematis heracleifolia var. davidiana
N. Floy Bracelin
1941-9-28
1703
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
RSA215990
Clematis lasiantha
Paul F. Covel
1938-6-26
1516
Contra Costa
Las Trampas Canyon (behind St Mary's)
Comment
UC692071
Clematis lasiantha
Mary L. Bowerman
1930-6-7
272
Contra Costa
Meridian Peak summit Mt. Diablo
Comment
UC1050307
Clerodendrum bungei
N. Floy Bracelin
1941-8-24
1592
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
RSA0028269
Clinopodium vulgare
Barbara Ertter, David Gowen
2012-6-9
21018
Contra Costa
Lower Vollmer Peak Trail paralleling South Drive, southeastern Tilden Park in Berkeley Hills.
426
Comment
UC1980320
Clinopodium vulgare
Barbara Ertter with David Gowen
2011-10-6
20919
Contra Costa
Tilden Regional Park in hills east of Berkeley, lower Vollmer Peak Trail southeast of Big Spring picnic area
Comment
JEPS23273
Collinsia heterophylla
Rimo Bacigalupi with G. T. Robbins
1959-4-24
7043
Contra Costa
0.5 mi n Jct of Hampton Rd and Bear Creek Rd (along Hampton Rd, just n of summit)
228
Comment
JEPS65197
Collinsia heterophylla
L. R. Heckard
1971-4-15
2470
Contra Costa
along Morgan Territory Rd (7 mi N of intersection with Manning Rd); Mt. Diablo
487
Comment
UC691654
Collinsia heterophylla
Mary L. Bowerman
1931-4-18
719
Contra Costa
Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon
335
Comment
SEINET10964450
Collinsia heterophylla
John G. Lemmon
1872-1
Lemmon s.n.
Contra Costa
Mt. Diablo.
Comment
UC71983
Collinsia sparsiflora
Chestnut and Drew
1889-4-5
Contra Costa
Martinez
Comment
UC26642
Collinsia sparsiflora var. collina
State Survey
Contra Costa
Mount Diablo
Comment
SBBG6880
Collinsia sparsiflora var. sparsiflora
J. M. Tucker
1946-3-24
1381
Contra Costa
hills between Nortonville and Somersville
Comment
JEPS7314
Collinsia tinctoria
Mary L. Bowerman
1935-6-1
3117
Contra Costa
summit Mount Diablo Mount Diablo, summit (towards Devils Pulpit)
1158
Comment
JEPS79511
Collomia diversifolia
Edward Lee
1978-5-13
Contra Costa
Meridian Ridge Mt. Diablo
Comment
UC2029194
Conium maculatum
Barbara Ertter
2000-7-16
17382
Contra Costa
Diablo Foothills Regional Park, riparian strip along Pine Creek between Castle Rock Regional Recreation Area
Comment
CHSC75080
Convolvulus arvensis
Roger Thom
1987-5-13
8
Contra Costa
Calif. State University Hayward's Contra Costa Campus. 3100 Oak Park Blvd. Pleasant Hill.
30
Comment
UC1584663
Conyza canadensis
Jerry Powell
1990-8-29
1586
Contra Costa
Antioch National Wildlife Refuge
Comment
HSC33256
Conyza canadensis
A. M. Montalvo, J. D. Ackerman
1974-12-1
435
Contra Costa
Walnut Creek, Olympic Dr. between Tice Valley Rd. and Pleasant Hill Rd.
Comment
JEPS6803
Cordylanthus pilosus subsp. pilosus
W. L. Jepson
1894-10-1
21337
Contra Costa
Moraga Valley
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
CAS-BOT-BC209589
Cornus sericea
H. E. McMinn
1922-5-30
34
Contra Costa
By Pinehurst Resort in Large Redwood Canyon
Comment
CAS-BOT-BC209591
Cornus sericea
Virginia I. Dains; Walter Knight
1986-8-8
5471
Contra Costa
Jct Rock S1 & Werner Cut
Comment
UC1606422
Cornus sericea subsp. sericea
Barbara Ertter, Chris Thayer
1993-5-7
11697
Contra Costa
EBMUD land e. of Tilden Park (Hopkins Spring 1/2 mi. s.e. of Inspiration Pt. on Wildcat Canyon Rd.)
304
Comment
SEINET12765135
Coronopus didymus
Barbara Ertter
1990-5-15
8991
Contra Costa
Soth El Cerrito, north foot of Albany Hill at end of Yosemite Avenue cul-de-sac.; 0
Comment
UC1618361
Cortaderia jubata
Barbara Ertter
1991-9-28
10854
Contra Costa
e end of Schmidt Street at El Cerrito recycling center, s end of Hillside Natural Area El Cerrito; , Hillside Natural Area, Schmidt Street
Comment
CAS-BOT-BC190027
Cortaderia selloana
Wm. Anderson
1959-10-1
s.n.
Contra Costa
On Montezuma Slough near Suisun.
Comment
CAS-BOT-BC169513
Corylus cornuta subsp. californica
Frank W. Gould
1940-2-8
865
Contra Costa
N side of Grizzly Peak
76
Comment
CAS-BOT-BC169514
Corylus cornuta subsp. californica
H. E. McMinn
1925-1-1
s.n.
Contra Costa
Lead of San Leandro Creek
Comment
CAS-BOT-BC169516
Corylus cornuta subsp. californica
John Thomas Howell
1925-9-19
1456
Contra Costa
Moraga Ridge, Oakland Hills
Comment
UCSB29429
Corylus cornuta subsp. californica
Havlik, Neil
1969-7-3
Contra Costa
Grizzly Pk., Berkeley Hills
457
Comment
RSA0027707
Cosmos bipinnatus
Barbara Ertter
1996-9-19
15290
Contra Costa
Cerrito Creek at base of Albany Hill, just west of San Pablo Avenue.
Comment
UC1819010
Cotula coronopifolia
Barbara Ertter, Tony Morosco, Lynne Hosley
1995-5-29
14230
Contra Costa
South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland.
487
Comment
UC2027742
Cotula coronopifolia
Barbara Ertter
1997-1-5
15439
Contra Costa
Lime Ridge Open Space on northwest side of Mount Diablo, section on north side of Ygnacio Valley Road.
Comment
UC1561257
Crassula connata
Barbara Ertter with John Little
1989-4-2
8110
Contra Costa
s. side Hillside Park in El Cerrito
Comment
UC1948949
Crassula connata
William J. Ferlatte, L. Maynard Moe
1970-4-27
1234
Contra Costa
San Francisco Bay: Red Rock Island
Comment
UC2032831
Crassula connata
Doran, Andrew Scott
2012-3-20
701
Contra Costa
Second highest point on Brooks Island, rocky outcrop overlooking man-made spit.
Comment
UC606743
Crassula connata var. subsimplex
Edward Lee
1936-4-19
1967
Contra Costa
bluff at n.e. corner of island Red Rock
Comment
RSA0026175
Crepis bursifolia
Barbara Ertter, David Gowen
2012-6-9
21027
Contra Costa
South junction of Big Springs Trail with Seaview Trail, southeastern Tilden Park in Berkeley Hills.
Comment
CDA15282
Cressa truxillensis
G. F. Hrusa, D. Crowe, R. York
1998-7-17
14720
Contra Costa
Sacramento Delta; E end of Dow Chemical property, Pittsburg.
Comment
JEPS22096
Cressa truxillensis
G. Thomas Robbins
1958-7-19
3907
Contra Costa
ca. 3/4 mi. s. Point San Pablo (Potrero San Pablo, Richmond); San Francisco Bay
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
OBI15230
Crossosoma californicum
Neil Havlik
1968-3-21
82
Contra Costa
Charles Lee Tilden Regional Park, E of Berkeley
Comment
RSA289534
Croton californicus
Edward Lee, Annetta Carter
1935-8-17
1626
Contra Costa
Antioch.
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
RSA0033934
Crypsis schoenoides
Barbara Ertter, Chris Thayer
1996-10-25
15360
Contra Costa
Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park.
91
Comment
UCR254745
Crypsis schoenoides
Peter Rubtzoff
1968-9-18
5964
Contra Costa
North Gate Road, c. 5 miles NW of Mt. Diablo State Park north entrance
58
Comment
SEINET4344622
Crypsis schoenoides
Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa.
1995-10-22
14532
Contra Costa
Three Springs Trail on NE side of Mt. Diablo, south of crest of Marsh Creek Rd. dried roadside pond, clay.
Comment
UC2027935
Crypsis schoenoides
Barbara Ertter with Chris Thayer
1996-10-25
15376
Contra Costa
West side of Mount Diablo, North Gate Road 3 road miles below Junction near Mineral Spring.
Comment
CAS-BOT-BC189243
Cryptantha
Alice Eastwood
1915-5-30
4539
Contra Costa
Mount Diablo
Comment
UC691396
Cryptantha flaccida
Mary L. Bowerman
1931-4-4
659
Contra Costa
4.5 mi from West road (= North Rd) entrance; Mount Diablo
396
Comment
UC1818922
Cryptantha flaccida
Barbara Ertter, Tony Morosco, Lynne Hosley
1995-5-29
14227
Contra Costa
Mt. Diablo southeast of Walnut Creek, serpentine knoll ca 1/2 airmile north of Curry Point, grassland, oaks around knoll. .
487
Comment
UC691340
Cryptantha microstachys
Mary L. Bowerman
1933-5-25
2183
Contra Costa
w end Oyster Ridge (steep n-facing slope, s-face); Mount Diablo
411
Comment
UC691341
Cryptantha microstachys
Mary L. Bowerman
1932-4-27
1388
Contra Costa
w of Riggs Canyon (canyon, s-face of Oyster Ridge); Mount Diablo, Oyster Ridge
335
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
CDA20771
Cuscuta japonica
J. Deviney
2006-6-7
PDR 1373527
Contra Costa
San Francisco Bay Area; El Cerrito Creek banks at S end of Carlsen Blvd., El Cerrito. Crossing Alameda county line into Albany.
Comment Read comments Apr 29 2013
UCD126325
Cuscuta salina
M. Wiesendanger
1926-6-1
1533
Contra Costa
Richmond.
Comment
UC691907
Cuscuta subinclusa
Mary L. Bowerman
1933-9-9
2428
Contra Costa
e of Frog Pond; Mount Diablo, Rhine Canyon
457
Comment
JEPS78606
Cuscuta subinclusa
Walter Knight
1978-10-4
3311
Contra Costa
Browns Island Crooked Slough
Comment
CDA4534
Cynara cardunculus
T. C. Fuller
1957-10-2
399 -57
Contra Costa
Antioch.
0
Comment
UC2013066
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
CDA31110
Cynodon dactylon
D. G. Kelch
2004-5-9
4 .208
Contra Costa
Carquinez Strait Region; Crockett - Carquinez Scenic Drive. Scenic Drive west of Bull Valley Staging Area, east of Crockett, CA
Comment
UCD60104
Cynodon dactylon
P. W. Lamborn
1972-11-2
AES
Contra Costa
Nomellini Ranch.
Comment
CDA43393
Cynosurus echinatus
D. G. Kelch
2012-5-27
12 .074
Contra Costa
Carquinez Strait Region; Pinole Valley Park.
Comment
JEPS99550
Cynosurus echinatus
Mary Bowerman
1976-6-24
Contra Costa
Mount Diablo, inner Black Hills just west of meridian and south of crest.
Comment
JEPS99559
Cynosurus echinatus
Mary Bowerman
1995-5-28
Contra Costa
Mount Diablo, Fire road from Macedo Ranch to Wall Pt. Ridge.
Comment
SD175778
Cyperus difformis
D. G. Kelch
2006-9-15
06 474
Contra Costa
Shell Ave., Martinez, between Pine St. and Harborview Dr.
56
Comment
CAS-BOT-BC114619
Cyperus eragrostis
Walter Knight; Joanne Dean
1978-8-14
3150
Contra Costa
Browns Island
Comment
CAS-BOT-BC114618
Cyperus eragrostis
Walter Knight; Wayne Roderick; Stephen W. Edwards; B. Doyle
1978-9-19
3264
Contra Costa
Browns Island, South Landing.
Comment
SEINET3909446
Cyperus eragrostis
K. Thorne, L. Thorne; N. Thorne; J. Chandler
1986-7-27
4982
Contra Costa
Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0
610
Comment
UC1157919
Cyperus eragrostis
Olive Dyer
1936-9-5
29 W
Contra Costa
1/2 mi. above San Pablo Ave. Wildcat Creek
Comment
UC1819043
Cyperus eragrostis
Barbara Ertter, Tony Morosco, Lynne Hosley
1995-5-29
14235
Contra Costa
South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland.
487
Comment
UC2028462
Cyperus eragrostis
Barbara Ertter with Chris Thayer
1996-10-25
15392
Contra Costa
Southwest flank of Mount Diablo, lowers South Gate Road just inside park boundary
Comment
UCD35193
Cyperus eragrostis
Beecher Crampton
1953-8-25
1612
Contra Costa
Richmond.
Comment
SD107681
Cyperus erythrorhizos
Walter Knight, Irja Knight
1980-8-26
3769
Contra Costa
Hercules; adventive along edge of pond for sewage disposal plant in a structure covered with vinyl.
Comment
CAS-BOT-BC110840
Cyperus strigosus
Walter Knight; I. Knight; E. McClintock; J. T. Howell; B. Doyle; P. Rae
1978-9-5
3226
Contra Costa
Browns Island, Botany Cove
Comment
CDA8355
Cytisus striatus
D. G. Kelch
2005-5-13
5 .272
Contra Costa
Carquinez Strait; Tall hill in S Martinez, immediately N of Highway 4.
Comment Read comments Oct 30 2012
UC2070618
Dactylis glomerata
Barbara Ertter
2002-8-24
18017
Contra Costa
NE base of Mount Diablo, connector trail paralleling Morgan Territory Road along edge of private property (Mt. Diablo Mine)
Comment
OBI70524
Danthonia californica
D. G. Kelch
2002-5-24
2 .02
Contra Costa
On hill S of San Pablo Rd ~.4 mi W of Carquinez Bridge. Crockett
91
Comment
UC2070617
Danthonia californica
Barbara Ertter
2002-5-16
17862
Contra Costa
Richmond Field Station (UC-Berkeley).
Comment
UCD60458
Danthonia californica
G. L. Stebbins Jr.
1939-5-24
2714
Contra Costa
Opposite Berkeley Country Club.
Comment
CDA965
Daucus pusillus
D. G. Kelch
2005-6-14
5 .333
Contra Costa
East Bay; San Pablo. North Alvarado Park, south of San Pablo Dam Rd.
Comment
JEPS75509
Daucus pusillus
P. F. Yorks
1974-6-8
173
Contra Costa
n. Briones Reservoir (ca. 1.6 km. s. of Bear Creek Rd. on Hampton Rd. in Hampton Rd. Natural Reserve); Hampton Rd. Natural Reserve
180
Comment
UC32716
Deinandra corymbosa
J. Burtt Davy
1896-1-1
Contra Costa
Moraga Pass
Comment
CAS-BOT-BC287385
Deinandra corymbosa
Peter H. Raven
1957-7-5
11052
Contra Costa
At tip of Point Isabel
Comment
CAS-BOT-BC294018
Deinandra kelloggii
Mrs. Curran
1883-5-1
s.n.
Contra Costa
Antioch
Comment
UC480997
Deinandra kelloggii
Mary K. Curran
May 1886
Contra Costa
near Antioch
Comment
UC88926
Deinandra kelloggii
K. Brandegee
1892-6-8
Contra Costa
Antioch
Comment
CAS-BOT-BC294019
Deinandra kelloggii
Vincent Jones
1920-8-28
s.n.
Contra Costa
Orwood
Comment
CAS-BOT-BC294021
Deinandra kelloggii
John Thomas Howell
1929-7-20
4329
Contra Costa
2 miles s. of Oakley
Comment
UC2029061
Deinandra lobbii
Barbara Ertter with Delia Taylor
2003-6-22
18225
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
UC1818999
Delphinium
Barbara Ertter, Tom Delendick
1996-5-2
14615
Contra Costa
Mount Diablo State Park, Deer Flat Road north of Juniper Camp, at cut through open live oak forest, northwest-facing slope.
853
Comment
CDA933
Delphinium californicum
D. G. Kelch
2005-6-14
5 .335
Contra Costa
East Bay; San Pablo. North Alvarado Park, south of San Pablo Dam Rd.
Comment
UC906518
Delphinium decorum subsp. tracyi
P. B. Kennedy
1916-5-21
Contra Costa
between Diablo and summit of Mt. Diablo
Comment Read comments Jun 4 2007
LA207422
Delphinium hansenii
H. Lewis; Carl Epling
1947-5-4
703
Contra Costa
Marsh Creek Road, 5.8 mi. E of Creek Park Rd
Comment
SEINET12086747
Delphinium hesperium
J. T. Howell
1931-1
6482
Contra Costa
North Side of Mt. Diablo
Comment
UC1126003
Delphinium hesperium subsp. pallescens
C. M. Belshaw
1936-5-15
2117
Contra Costa
2 mi ENE of North Peak; Mount Diablo
228
Comment
CAS-BOT-BC10009
Delphinium hesperium subsp. pallescens
R. D. Stone
1983-5-17
510
Contra Costa
Extreme northern end of the Jackson Ranch, near Alameda County line ca. 9 mi. NE of Livermore and 1 mi. NNE of Brushy
182
Comment
LA38169
Delphinium hesperium subsp. pallescens
Lewis; Mehlquist
455
Contra Costa
Just E of the Antioch Golf Couse
Comment
UC691950
Delphinium nudicaule
Mary L. Bowerman
1933-6-14
2284
Contra Costa
bottom of second gully w north spur; Mount Diablo, Inner Black Hills
Comment
UC9202
Delphinium nudicaule
W. H. Brewer
1862-5-7
1053
Contra Costa
n slope Monte Diablo
Comment
JEPS99976
Delphinium patens
G. Smick
2003-3-25
GAS 79
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
HSC47898
Delphinium patens
H. Lewis, Carl Epling
1944-5-6
Contra Costa
5.7 mi. S of Marsh Creek Rd. on Beck rd. to Livermore
Comment
UC1819000
Delphinium patens subsp. patens
Barbara Ertter, Tom Delendick
1996-5-2
14614
Contra Costa
Mount Diablo State Park, Deer Flat Road north of Juniper Camp, at cut through open live oak forest, northwest-facing slope.
853
Comment
LA207616
Delphinium recurvatum
Carl Epling;
1945-3-23
542
Contra Costa
5 mi. W of Hwy. 120 on Byron Hot Springs rd
Comment
CAS-BOT-BC11024
Dendromecon rigida
John Thomas Howell
1925-10-11
1497
Contra Costa
Moraga Ridge, Oakland Hills
Comment
UC1024732
Deschampsia danthonioides
Leo Whitney
1935-4-21
3057
Contra Costa
4 mi. e. Corral Hollow
Comment
UC1606345
Deschampsia elongata
Barbara Ertter, Brad Olson
1991-9-28
10843
Contra Costa
s. end of San Pablo Reservoir between Orinda and El Sobrante; San Pablo Reservoir
94
Comment
RSA128442
Dicentra chrysantha
Joanne Taylor
1941-7-18
19
Contra Costa
Nortonville.
244
Comment
UC407076
Dicentra chrysantha
L. R. Abrams
1921-5-25
8007
Contra Costa
halfway-up road Mt. Diablo
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
RSA367471
Dichelostemma capitatum subsp. capitatum
H. de Forest
1930-4-6
s.n.
Contra Costa
[No locality information provided]
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
UC1300935
Dichelostemma congestum
Helen K. Sharsmith
1962-5-20
5071
Contra Costa
ne slope Mount Diablo (Headwaters of Marsh Creek); San Francisco Bay Region, , Marsh Creek
304
Comment
UC1050524
Diervilla florida
N. Floy Bracelin
1944-4-23
1200
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
CDA1975
Digitaria sanguinalis
D. G. Kelch, A. G. Murdock
2005-6-27
5 .39
Contra Costa
Carquinez Strait; 6th Street at Lillian Street, Crockett.
Comment
SJSU1493
Diplacus aurantiacus
D. J. Thompson
1954-5-2
Contra Costa
between Pinole & Pittsburg
Comment
UCD137497
Dipsacus fullonum
P. B. Kennedy
1917-2-8
s.n.
Contra Costa
Craigmont.
Comment
UCD137498
Dipsacus fullonum
P. B. Kennedy
1917-2-8
s.n.
Contra Costa
Craigmont.
Comment
CAS-BOT-BC121840
Dirca occidentalis
Howard E. McMinn
1925-3-30
1402
Contra Costa
Near summit Thornhill Road and Skyline Blvd.
Comment
CAS-BOT-BC121842
Dirca occidentalis
Frank Walton Gould
1940-2-8
864
Contra Costa
Grizzly Peak
289
Comment
CAS-BOT-BC121845
Dirca occidentalis
P. H. Raven
1956-4-8
8986
Contra Costa
About 0.5 miles NE of Grizzly Peak
396
Comment
CHSC22236
Dirca occidentalis
Robert A. Schlising
1962-2-21
2079
Contra Costa
Berkeley-Oakland hills of westernmost part of county.
Comment
UC1176933
Dirca occidentalis
Peter H. Raven
1950-2-19
1349
Contra Costa
e side ridge at headwaters; Redwood Canyon
365
Comment
RSA29241
Dirca occidentalis
Joseph A. Ewan
1934-3-10
8643
Contra Costa
2 miles below Orinda Road bridge, Wildcat Canyon
Comment
RSA603002
Dirca occidentalis
Joseph A. Ewan
1934-3-10
8643
Contra Costa
2 miles below Orinda Road bridge, Wildcat Canyon
Comment
UCSB27473
Dirca occidentalis
Havlik, Neil
1969-7-10
Contra Costa
Along the West Ridge Trail about one-half mile from Skyline Gate, Redwood Regional Park, Oakland Hills
396
Comment
UC792334
Disporum hookeri
J. A. Rattenbury
1948-3-8
96
Contra Costa
on s side of road nr creek 1/2 mi e of Oakland tunnel
213
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
CDA39011
Dittrichia graveolens
D. G. Kelch
2011-9-23
11 .75
Contra Costa
Carquinez Strait Region; Martinez Train Station.
Comment
SD175796
Dittrichia graveolens
D. G. Kelch
2006-9-25
06 476
Contra Costa
Marsh 1.0 km west of Pacheco Slough.
2
Comment
UCD84176
Dittrichia graveolens
Chuck Hughes
2009-10-2
135
Contra Costa
Marsh Creek at County Jail on Marsh Creek Road.
181
Comment
JEPS112042
Dodecatheon hendersonii
A. G. Murdock
2003-2-21
70
Contra Costa
Mt. Wanda - Martinez Edge of chaparral, northeastern area of Mt. Wanda property
115
Comment
JEPS9520
Dodecatheon hendersonii
W. L. Jepson
1923-3-11
9848
Contra Costa
Mt. Diablo
396
Comment
UC22416
Dodecatheon hendersonii
J. Burtt Davy
1896-2-29
1266
Contra Costa
Mitchell Canyon Mt. Diablo, Mitchell Canyon
Comment
UC1188741
Downingia insignis
John H. Weiler
1959-4-11
5950
Contra Costa
1.5 mi s Byron (on the e side of the road)
Comment
RSA97189
Downingia insignis
J. T. Howell
1953-4-26
28935
Contra Costa
Between Byron and Byron Hot Springs.
Comment
SEINET3147638
Downingia ornatissima
L. S. Rose
1940-4-30
40258
Contra Costa
4 mi S of Antioch
30
Comment
UCD35141
Downingia pulchella
Beecher Crampton
1950-4-22
535
Contra Costa
Concord Valley.
Comment
JEPS128775
Draba verna
Kevin Hintsa
1995-3-4
Contra Costa
Deer Flat Road ca 1 mi NE of Juniper Campground, Mount Diablo State Park.
Comment
UC691098
Drymocallis glandulosa var. wrangelliana
Mary L. Bowerman
1933-5-22
2172
Contra Costa
on north face w 1970 (Mount Diablo); Inner Black Hills, Mount Diablo
Comment
JEPS111938
Dryopteris arguta
D. G. Kelch
2004-9-2
04 .340
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive Martinez (Ozol) CA East of Ozol
25
Comment
UC692555
Dudleya cymosa
Mary L. Bowerman
1935-5-22
3061
Contra Costa
Twin Peaks Eagle Point Ridge
472
Comment
UC101030
Dudleya cymosa subsp. paniculata
Edw. L. Greene
June 1892
Contra Costa
Mt Diablo
Comment
CAS-BOT-BC428220
Dudleya cymosa subsp. paniculata
K. Nakai
1978-8-28
396
Contra Costa
Summit of Mt. Diablo
1170
Comment
UC1818961
Echinochloa crus-galli
Barbara Ertter
1995-8-19
14502
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
UC692286
Echinochloa crus-galli
Mary L. Bowerman
1938-10-15
3726
Contra Costa
North Road by trough where trail to west base spring begins Mount Diablo; , North Road
213
Comment
POM300733
Echinochloa crus-galli
Mary L. Bowerman
1938-10-15
372
Contra Costa
North Road, by through where trail to west base spring begins.
213
Comment
CAS-BOT-BC291118
Eclipta prostrata
Walter Knight; Irja Knight
1980-8-26
3770
Contra Costa
Hercules
Comment
SEINET3892203
Eichhornia crassipes
Barbara Ertter
1990-9-16
9642
Contra Costa
Junction of Cypress Road & Jersey Island Road E of Oakley, covering ditch between road & field.; 0
Comment
JEPS99522
Elatine brachysperma
Mary L. Bowerman
1975-9-14
Contra Costa
Mount Diablo, Hidden Pond.
Comment
UC1812
Eleocharis macrostachya
J. Burtt Davy
1897-9-4
4077
Contra Costa
Stege
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
CAS-BOT-BC112797
Eleocharis macrostachya
Walter Knight
1978-8-19
3233
Contra Costa
Upper Sindecich Lagoon. Briones Regional Park.
335
Comment
CAS-BOT-BC112218
Eleocharis rostellata
Miss Mary Leolin Bowerman
1967-7-19
37175
Contra Costa
NW end of Shell Ridge, just S of the highway (Heather Farm), by sulphurous stream.
Comment
SEINET7714036
Ellisia chrysanthemifolia
Chesnut, Drew
1889-4-15
Contra Costa
Martinez
Comment
UC756631
Elymus
G. L. Stebbins Jr.
1946-6-9
3660
Contra Costa
2 mi e El Cerrito (near Mira Vista Country Club)
Comment
POM205573
Elymus X gouldii
Jos Burtt Davy
1898-05
1742
Contra Costa
Port Costa, on a steep bank
Comment
POM357109
Elymus X gouldii
Glenn A. Gorelick
1967-5-13
s.n.
Contra Costa
Point Richmond
Comment
RSA108336
Elymus X gouldii
Frank W. Gould
1941-7-4
1303
Contra Costa
On wastelands along Bay just north of Albany race track.
Comment
UC2028475
Elymus X hansenii
Barbara Ertter with Richard K. Brummitt
1998-5-6
16100
Contra Costa
Point San Pablo west of Richmond, crest of road to yacht harbor
Comment
SEINET3929470
Elymus condensatus
A. A. Beetle
1941-7-24
1751
Contra Costa
Pt. Richmond on San Francisco Bay.; 0
Comment
UC2028479
Elymus glaucus
Barbara Ertter with Richard K. Brummitt
1998-5-6
16101
Contra Costa
Point San Pablo west of Richmond, crest of road to yacht harbor
Comment
CAS-BOT-BC203433
Elymus glaucus subsp. glaucus
Mary L. Bowerman
1935-5-3
2964
Contra Costa
Mount Diablo. Sloan Road
487
Comment
SEINET10558327
Elymus glaucus var. jepsonii
Willis L. Jepson
1943-6-8
Jepson 20848
Contra Costa
Northeast slope in woods. Moraga Ridge.
Comment
UC53737
Elymus multisetus
Jos. Burtt Davy
1900-6-7
6651
Contra Costa
San Pablo Ridge
Comment
UCD62515
Elymus multisetus
Beecher Crampton
1956-5-14
3386
Contra Costa
Between the old coal mining towns of Somersville and Nortonville, 6.7 miles southwest of Antioch.
Comment
UC691178
Elymus trachycaulus
Mary L. Bowerman
1935-6-15
3128
Contra Costa
ridge running n from Mitchell-Pine divide (at 3100 ft level); Mount Diablo
868
Comment
UC692458
Epilobium brachycarpum
Mary L. Bowerman
1932-10-1
1600
Contra Costa
ridge s Uncle Sam Canyon (w base of point, 200 ft above canyon bottom); Mount Diablo, Eagle Point
Comment
UC84481
Epilobium campestre
T. S. Brandegee
1892-6-8
Contra Costa
Antioch
Comment
UC1618350
Epilobium canum subsp. canum
Barbara Ertter, Brad Olson
1993-10-30
12286
Contra Costa
w. of junction San Pablo Ave. & Vista del Rio w. of Crockett (base of bluff above R.R. tracks); Carquinez Strait Regional Shoreline
Comment
CAS-BOT-BC166825
Epilobium canum subsp. latifolium
M. K. Curran
1883-10-1
s.n.
Contra Costa
[Marsh's] Marsh Creek
Comment
UC2027841
Epilobium ciliatum
Barbara Ertter
2000-9-30
17535
Contra Costa
West side Mount Diablo, pond on China Wall Road ca 1/2 mile NW of Macedo Ranch.
Comment
CDA38073
Epilobium ciliatum subsp. ciliatum
A. G. Murdock
2004-5-28
295
Contra Costa
Carquinez Strait; Refugio Valley.
Comment
UC1606307
Epilobium ciliatum subsp. ciliatum
Barbara Ertter, Chris Thayer
1993-5-7
11693
Contra Costa
on Wildcat Canyon Rd 1/2 mi se Inspiration Point (e of Tilden Park, marshy area); East Bay Municipal Utilities land, Hopkins Spring
304
Comment
UC1784916
Epilobium ciliatum subsp. ciliatum
Barbara Ertter with Laura Fujii
1990-7-21
9401
Contra Costa
Briones Regional Park, Briones Hills W of Pleasant Hill, at Bear Creek crossing on Homestead Valley trail
274
Comment
UC2027881
Epilobium ciliatum subsp. ciliatum
Barbara Ertter
2000-9-30
17534
Contra Costa
West side Mount Diablo, pond on China Wall Road ca 1/2 mile NW of Macedo Ranch.
Comment
UCD105799
Epilobium ciliatum subsp. ciliatum
Terri Williamson
1990-5-22
72
Contra Costa
212 Poshard St. Pleasant Hill.
12
Comment
UC1122344
Epilobium densiflorum
H. S. Yates
1934-9-2
4075
Contra Costa
1 1/2 mi nw Orinda; Concord Quadrangle
Comment
UC2028435
Epilobium densiflorum
Barbara Ertter with Chris Thayer
1996-10-25
15352
Contra Costa
Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothill Regional Park
Comment
UC2028026
Epilobium densiflorum
Barbara Ertter
1997-9-14
15807
Contra Costa
West side of Mount Diablo, Pine Creek upstream from Dusty Trail.
Comment
UC615553
Epilobium densiflorum
Beryl O. Schreiber
1933-10-5
936
Contra Costa
road to Mount Diablo; marshy ground
Comment
JEPS111942
Equisetum telmateia subsp. braunii
D. G. Kelch
2004-7-9
04 .292B
Contra Costa
Crockett: Edwards Creek
5
Comment
SJSU10471
Eragrostis curvula
R. V. Scott
1972-3-27
Contra Costa
5 mi NW of San Ramon
Comment
UCD63093
Eragrostis curvula
Beecher Crampton
1965-9-29
7526
Contra Costa
5 miles south of Brentwood Vasco Road and Camino Vaqueros.
Comment
CAS-BOT-BC204548
Eragrostis curvula
R. E. Frenkel
1963-5-15
190
Contra Costa
East side of Marsh Creek Road, 2 miles east of Clayton
Comment
UC2028469
Eragrostis mexicana subsp. virescens
Barbara Ertter
1997-8-24
15777
Contra Costa
Mount Diablo, Summit Road just above Junction Station
Comment
JEPS123272
Eriastrum ertterae
David Gowen
2005-6-5
404
Contra Costa
Lime Ridge Open Space. Hill 724 east of the golf course.
Comment
OBI16592
Ericameria arborescens
H. E. McMinn
1936-1
4453
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC287528
Ericameria linearifolia
H. E. McMinn
1922-6-2
96
Contra Costa
From near summit of Mt Diablo
Comment
CAS-BOT-BC287529
Ericameria linearifolia
Alice Eastwood
1915-5-30
4479
Contra Costa
Mt Diablo
Comment
JEPS31296
Ericameria linearifolia
W. L. Jepson
1891-5-23
Contra Costa
Mt. Diablo
Comment
POM289061
Ericameria linearifolia
Lyman Benson
1935-3-16
6267
Contra Costa
Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo.
915
Comment
UC1614256
Ericameria linearifolia
Charles M. Belshaw
1935-6-10
697
Contra Costa
Morgan Territory Rd. e. side of Mt. Diablo
Comment
UC186077
Ericameria linearifolia
K. Brandegee
May 1886
Contra Costa
Antioch
Comment
UC75068
Ericameria linearifolia
C. F. Baker
1903-4-28
2942
Contra Costa
Mitchell's Canyon Mt. Diablo, Mitchell's Canyon (Mt. Diablo, open mountain slopes)
Comment
JEPS79321
Erigeron foliosus var. franciscensis
Edward Lee with Annetta Carter
1935-8-17
1633
Contra Costa
Antioch sand-dunes
Comment
UC31418
Erigeron lonchophyllus
F. P. McLean
1875-3-1
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC295717
Erigeron petrophilus var. petrophilus
Joseph Andorfer Ewan
1936-7-5
9735
Contra Costa
Wildcat Creek
Comment
RSA517729
Erigeron philadelphicus
Donald G. Nelson
1938-4-24
566
Contra Costa
Marsh Creek Highway, 1 mile north of Mt. Diablo
Comment
CDA22594
Eriogonum fasciculatum var. foliolosum
A. G. Murdock, D. G. Kelch
2004-3-19
233
Contra Costa
Carquinez Strait; Hercules - Carbon.
Comment
UC1032304
Eriogonum gracile
G. T. Nordstrom
1937-10-28
1409
Contra Costa
1.6 mi nne Somersville; Mt. Diablo Quadrangle
Comment
UC1094040
Eriogonum gracile
Lewis S. Rose
1955-10-17
55187
Contra Costa
sand hills, Antioch Antioch
15
Comment
RSA0027415
Eriogonum gracile
Barbara J. Ertter
1997-8-24
15773
Contra Costa
Mount Diablo, SE side of peak on Mary Bowerman/Fire Interpretive Trail.
Comment
UC1795829
Eriogonum gracile
Barbara Ertter, Mary L. Bowerman
1994-6-19
12847 a
Contra Costa
Mt. Diablo State Park east of Walnut Creek; lower Summit Parking Lot, roadside.
Comment
UC1980601
Eriogonum gracile
James L. Reveal
1974-8-6
3772
Contra Costa
Summit of Mt. Diablo, near lower parking lot west of summit.
Comment
UC692048
Eriogonum gracile var. gracile
Mary L. Bowerman
1931-9-12
1038
Contra Costa
spur jutting into west fork of Mitchell Canyon Mount Diablo, Mitchell Canyon
838
Comment
UC692050
Eriogonum gracile var. gracile
Mary L. Bowerman
1930-9-9
458
Contra Costa
North Peak, Mount Diablo Mount Diablo; above Gabriel-Hinks'?
Comment
RSA107410
Eriogonum gracile var. gracile
L. S. Rose
1955-10-17
55187
Contra Costa
Antioch
15
Comment
UC692111
Eriogonum luteolum var. luteolum
Mary L. Bowerman
1932-10-22
1637
Contra Costa
road to Quicksilver Mine (flats at base of North Peak); Mount Diablo, North Peak
Comment
SEINET8349867
Eriogonum nudum
Barbara Ertter
1997-8-18
15766
Contra Costa
Antioche Dunes (USFWS National Wildlife Refuge) on San Joaquin River east of Antioch, southwest corner of refuge north of railroad tracks in former vineyard.
Comment
JEPS107089
Eriogonum nudum var. auriculatum
Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert
1996-5-16
14675
Contra Costa
Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; grassland/scrub at northeast corner of area.
Comment
JEPS75519
Eriogonum nudum var. auriculatum
P. F. Yorks
1975-7-18
475 B
Contra Costa
on Hampton Rd ca 1.7 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Area
190
Comment
CAS-BOT-BC268905
Eriogonum nudum var. auriculatum
H. E. McMinn
No date on label
133
Contra Costa
Collected from near summit of Mt. Diablo, N. slope
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
UC1229891
Eriogonum nudum var. psychicola
Jerry Powell
1962-8-19
308
Contra Costa
about 2 mi e Antioch
Comment
CAS-BOT-BC253092
Eriogonum roseum
R. F. Hoover
1940-11-30
4699
Contra Costa
2 mi. S of Antioch
Comment
JEPS56301
Eriogonum truncatum
M. K. Curran
May 1886
Contra Costa
Antioch
Comment
UC85720
Eriogonum truncatum
M. K. Curran
May 1886
Contra Costa
Antioch
Comment
CAS-BOT-BC262346
Eriogonum vimineum
Mary L. Bowerman
1930-6-18
350
Contra Costa
Mount Diablo. Summit
Comment
CAS-BOT-BC298509
Eriophyllum confertiflorum
H. E. McMinn
1923-6-18
1152
Contra Costa
Horn Canon
Comment
CDA10029
Eriophyllum jepsonii
D. G. Kelch
2007-4-28
7 .203
Contra Costa
Mitchell Canyon. Mt Diablo.
Comment
CAS-BOT-BC300968
Eriophyllum lanatum var. achilleoides
John Thomas Howell
1923-11-12
244
Contra Costa
Mt. Diablo
Comment
JEPS34599
Eriophyllum lanatum var. achilleoides
W. L. Jepson
1891-5-24
14563
Contra Costa
Mt. Diablo
Comment
UC1118235
Eriophyllum lanatum var. achilleoides
C. M. Belshaw
1936-5-8
2065
Contra Costa
Plot 5 Mount Diablo Quadrangle, Mt. Diablo (se slope of mt.)
Comment
UC507126
Eriophyllum lanatum var. achilleoides
Lincoln Constance
1933-6-25
E 94
Contra Costa
near the se base of Mount Diablo (se slope)
Comment
CAS-BOT-BC300969
Eriophyllum lanatum var. achilleoides
John Thomas Howell
1931-5-12
6485 A
Contra Costa
Marsh Creek Road ne. of Mt. Diablo
Comment
CAS-BOT-BC300980
Eriophyllum lanatum var. achilleoides
L. Constance
1933-6-25
E 97
Contra Costa
South slope, 1 mile below summit of Mt. Diablo
Comment
CAS-BOT-BC300982
Eriophyllum lanatum var. achilleoides
Lincoln Constance; Helen Sharsmith; Carl Sharsmith
1933-4-30
E 17
Contra Costa
Black Hills, Mount Diablo
Comment
JEPS34592
Eriophyllum lanatum var. achilleoides
W. L. Jepson
1918-6-5
7608
Contra Costa
on the n peak Mt. Diablo
Comment
POM301035
Eriophyllum lanatum var. achilleoides
Mary L. Bowerman
1933-6-21
2339
Contra Costa
Donner Canyon
Comment
UC2028366
Eriophyllum lanatum var. achilleoides
Barbara Ertter
1998-6-20
16258
Contra Costa
Shell Ridge Open Space on NW side of Mount Diablo, south side of Flat Top
Comment
POM358034
Eriophyllum lanatum var. grandiflorum
E. E. Stanford
1930-5-24
1513
Contra Costa
Marsh Creek Canyon.
Comment
CDA29179
Erodium botrys
D. G. Kelch
2008-6-15
8 .246
Contra Costa
Carquinez Strait; Crockett hills, S of Cummings Skyway, W of Crockett Blvd.
Comment
CDA29765
Erodium botrys
D. G. Kelch, Troy MacGregor
2009-5-1
9 .266
Contra Costa
Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension.
Comment
UC1130297
Erodium cicutarium
R. C. Wilson
1935-2-26
113
Contra Costa
Somersville Mt. Diablo Quad.
289
Comment
UCSB12514
Erodium cicutarium
Grah, Nancy
1962-4-14
Contra Costa
0.6 mile north of Tarry Lane on Tappan Lane; Orinda
243
Comment
UC571139
Erodium macrophyllum
H. L. Mason
1929-3-15
5060
Contra Costa
about 5 mi from Brentwood (Marsh Creek Road)
Comment
UC20998
Eryngium aristulatum var. aristulatum
J. Burtt Davy
1900-3-24
6525
Contra Costa
Santa Fe
Comment
UCD35158
Eryngium articulatum
Beecher Crampton
1950-8-22
620
Contra Costa
Railroad right-of-way, Richmond.
Comment
UC692322
Eryngium castrense
Mary L. Bowerman
1935-6-28
3170
Contra Costa
Mt. Diablo, Chase Pond
Comment
CDA38316
Eryngium jepsonii
D. G. Kelch
2002-5-13
2 .003
Contra Costa
Carquinez Strait Region; Pt. Costa - Shore: Above Pt. Costa (above road between McEwen and EBRP staging area). Along old river channel.
Comment
UC1190972
Eryngium vaseyi
Lincoln Constance, Reino Alava and Rimo Bacigalupi
1958-6-6
3661
Contra Costa
3 mi. s.e. Byron; San Joaquin Valley
10
Comment
CAS-BOT-BC40767
Erysimum capitatum
G. B. Rossbach
1955-3-13
570
Contra Costa
Along tidal estuary of San Joaquin River just east of Antioch.
24
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
UC691082
Erysimum capitatum
Mary L. Bowerman
1931-3-7
551
Contra Costa
Indian Ceremonial Springs Mount Diablo
Comment
UC691089
Erysimum capitatum
Mary L. Bowerman
1930-6-14
322
Contra Costa
open places near summit (nw exposure); Mount Diablo, Meridian Peak
Comment
CAS-BOT-BC40758
Erysimum capitatum
G. B. Rossbach; R. P. Rossbach
1938-6-5
859
Contra Costa
Near summit Mount Diablo.
Comment
NY32656
Erysimum capitatum subsp. angustatum
A. Eastwood
1936-4-19
2151
Contra Costa
Antioch sand hills.
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
POM272910
Erysimum capitatum var. capitatum
Lyman Benson
1935-3-16
6261
Contra Costa
Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo.
915
Comment
RSA298536
Erysimum capitatum var. capitatum
Robert A. Norris, John L. Inase
1981-5-10
4158
Contra Costa
Near North Gate Road, Mt Diablo.
930
Comment
CAS-BOT-BC151467
Erythranthe latidens
Alice Eastwood; John Thomas Howell
1936-4-19
2155
Contra Costa
4 miles s. of Antioch
Comment
CAS-BOT-BC402983
Eschscholzia californica
A. A. Heller
1938-4-9
15018
Contra Costa
3 miles southwest of Antioch
Comment
CHSC75109
Eschscholzia californica
Roger Thom
1987-4-21
6
Contra Costa
3300 block of Johnson Rd. Lafayette.
167
Comment
UC692191
Eschscholzia californica
Mary L. Bowerman
1930-6-28
386
Contra Costa
near road above junction; Mount Diablo
Comment
UCD95304
Eschscholzia californica
Jennifer Davies
1982-4-11
1
Contra Costa
0.5 mile west of Park HQ on Northgate Road, Mt. Diablo.
670
Comment
SEINET3840812
Eschscholzia californica subsp. californica
Unknown
2006-7-14
6 .335
Contra Costa
Between route 4 and Carbon road, east Rodeo
24
Comment
JEPS1727
Eucrypta chrysanthemifolia var. chrysanthemifolia
W. L. Jepson
1891-6-9
21003
Contra Costa
Fish Ranch Road; Berkeley Hills
Comment
UC35514
Eucrypta chrysanthemifolia var. chrysanthemifolia
Chesnut and Drew
1889-4-15
Contra Costa
Martinez
Comment
UC691712
Eucrypta chrysanthemifolia var. chrysanthemifolia
Mary L. Bowerman
1932-3-6
1102
Contra Costa
Sycamore Canyon Mount Diablo (at mouth)
335
Comment
UC2028112
Eucrypta chrysanthemifolia var. chrysanthemifolia
Barbara Ertter with Christopher Baysdorfer
1998-5-10
16110
Contra Costa
Lime Ridge Open Space northwest of Mount Diablo, along Ohlone Trail.
Comment
UC2027960
Euphorbia maculata
Barbara Ertter with Richard Rabeler, Tony Morosco
1997-6-10
15666
Contra Costa
Miller Knox Regional Shoreline south of Richmond, parking area for Richmond Ramblers.
Comment
CDA35612
Euphorbia oblongata
V. Guise
2011-5-2
PDR# 1649668
Contra Costa
Danville; 2600 Finley Road.
0
Comment
JEPS111957
Euphorbia peplus
D. G. Kelch
2005-3-11
05 .42
Contra Costa
Martinez: Mt. Wanda. North side
90
Comment
CDA34210
Euphorbia spathulata
D. G. Kelch
2011-5-28
11 .538
Contra Costa
Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl.
Comment
UC1818929
Euphorbia spathulata
Barbara Ertter, Brad Olson, Diane Lake
1996-4-14
14586
Contra Costa
East side of Mt. Diablo, access from Morgan Territory Rd. to Prospectors Gap Rd., gate between archery range and private ranch, open oak woodland.
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
UCD150901
Euthamia occidentalis
James A. Neilson Jr.
1972-10-22
3601
Contra Costa
Walnut Creek drainage, near mouth of Walnut Creek. Elevation estimated using Google Earth by label maker.
0
Comment
UC2028144
Festuca microstachys
Barbara Ertter
1998-4-4
15971
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo, Fossil Hill.
Comment
UC2028533
Festuca microstachys
Barbara Ertter with Tony Morosco
1998-4-12
15989
Contra Costa
Base of Mount Olympia on north side of Mount Diablo.
Comment
JEPS41063
Festuca rubra
Rimo Bacigalupi, and L. R. Heckard
1965-5-11
9088
Contra Costa
sw of Richmond; San Francisco Bay, Brooks Island
Comment
SEINET257715
Festuca rubra
M. Barkworth, D Amme
1989-6-15
5168
Contra Costa
Bluffs back of beach just N of Castro Point
Comment
CDA133
Forestiera pubescens
D. G. Kelch, D. A. Weinstein
2007-10-14
7 .635
Contra Costa
Carquinez Strait; Martinez. Rankin Park.
Comment
UC691117
Fragaria vesca
Mary L. Bowerman
1931-3-29
623
Contra Costa
n-face East Cave Point Ridge; Mount Diablo
Comment
UC691116
Fragaria vesca
Mary L. Bowerman
1933-4-28
1893
Contra Costa
e fork at water trough Curry Cave Point trail; Mount Diablo
457
Comment
UCR5932
Fragaria vesca subsp. californica
Charles Prentiss
1966-4-5
5
Contra Costa
Tilden Park at Indian Camp, meadow west of parking lot
Comment
CDA42343
Frangula californica
D. G. Kelch
2012-5-27
12 .07
Contra Costa
Carquinez Strait Region; Pinole Valley Park.
Comment
CAS-BOT-BC52533
Frangula californica subsp. californica
H. E. McMinn
1922-10-17
402
Contra Costa
unspecified
Comment
CHSC99192
Frankenia salina
John Dittes
2006-10-26
1413
Contra Costa
San Joaquin Valley (foothills near nw edge); ~ 2.0 air-mile south of Marsh Creek Reservoir Gauging Station, 1.6 air-mile southwest of intersection of Camino Diablo and Vasco Road; Contra Costa Water District's Los Vaqueros Watershed Mitigation Project Area.
67
Comment
JEPS74307
Frankenia salina
John Thomas Howell and Gordon H. True
1972-6-29
48919
Contra Costa
Byron Hot Springs Road se Byron
Comment
UCD99590
Frankenia salina
John Thomas Howell; Gordon H. True
1972-6-29
48919
Contra Costa
on Byron Hot Springs Road southeast of Byron.
Comment
UC691838
Fraxinus dipetala
Mary L. Bowerman
1935-6-1
3103
Contra Costa
first small ridge e Mitchell-Pine divide; Mount Diablo
1005
Comment
JEPS61960
Fritillaria affinis
W. L. Jepson
1921-11-19
8524
Contra Costa
Mount Diablo
Comment
UC692003
Fritillaria affinis
Mary L. Bowerman
1931-3-8
562
Contra Costa
Mount Diablo, near mouth of Mitchell Canyon Mitchell Canyon; Mount Diablo, Mitchell Canyon
Comment
CAS-BOT-BC130197
Fritillaria agrestis
Niall McCarten; V. I. Dains
1986-1-1
03231251 13
Contra Costa
W of Camino Diablo & Kellogg Creek
Comment
CAS-BOT-BC130353
Fritillaria liliacea
Robert F. Hoover
1938-3-8
2819
Contra Costa
Berkeley Country Club
Comment
JEPS55706
Fritillaria liliacea
W. Hirano
1954-3-11
Contra Costa
opposite Mira Vista Country Club (at Arlington Avenue); Arlington Avenue
Comment
SEINET196591
Fritillaria liliacea
Robert F. Hoover
1938-3-8
2819
Contra Costa
Berkeley Country Club.
Comment
UCR160111
Fumaria capreolata
M. I. Wibawa
2003-3-1
331
Contra Costa
San Francisco Bay Region, along sidewalk on corner of Junction Ave. and Hagen Blvd., El Cerrito
44
Comment
RSA87348
Galium andrewsii
F. W. Peirson
1923-07
4730
Contra Costa
Near summit of Mt. Diablo.
1159
Comment
UC1143116
Galium andrewsii subsp. gatense
C. M. Belshaw
1936-5-8
2058
Contra Costa
se slope Mt. Diablo Quadrangle, Mt. Diablo (Plot 5)
Comment
CDA42125
Galium aparine
D. G. Kelch
2005-5-5
5 .211
Contra Costa
Carquinez Strait Region; Point Pinole - Giant Marsh. Giant Salt Marsh.
Comment
JEPS75515
Galium aparine
P. F. Yorks
1976-4-11
505 a
Contra Costa
on Hampton Rd ca 1.4 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Preserve
Comment
UC691536
Galium aparine
Mary L. Bowerman
1932-4-27
1374
Contra Costa
canyon w Riggs Canyon; Mount Diablo, Oyster Ridge
289
Comment
UC691537
Galium aparine
Mary L. Bowerman
1935-6-1
3101
Contra Costa
gully e Mitchell-Pine Divide; Mount Diablo
975
Comment
CDA33985
Galium aparine
D. G. Kelch, Abigail Moore, Michael Park, Troy
2010-5-15
10 .11
Contra Costa
Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot.
0
Comment
HSC19785
Galium aparine
Greg Bos
1963-4-20
86
Contra Costa
Pinole Valley Rd., SE of Pinole Flat Meadow area
76
Comment
UCR263548
Galium californicum subsp. californicum
Barbara Ertter, Susan D'Alcamo
1998-6-12
16202
Contra Costa
San Francisco Bay Region, along Curry Canyon Road on south side of Mount Diablo, halfway between Knobcone Point Road and Sheepherder Springs Trail
Comment
UC2042798
Galium murale
Barbara Ertter
1991-6-1
10071
Contra Costa
Las Trampas Regional Wilderness in hills W of Danville, paved portion of Rocky Ridge Trail ca. 1 from parking lot.
Comment
UC2027970
Galium parisiense
Barbara Ertter with Richard Rabeler, Tony Morosco
1997-6-10
15660
Contra Costa
North base of Mount Diablo, lower end of Mitchell Canyon.
Comment
UC691533
Galium porrigens
Mary L. Bowerman
1935-5-16
2982
Contra Costa
flat at end of road Mount Diablo, Russelman Park
381
Comment
JEPS112107
Galium porrigens var. porrigens
D. G. Kelch
2003-4-3
03 .357
Contra Costa
Cummings Skyway
134
Comment
JEPS52754
Galium porrigens var. porrigens
Lauramay T. Dempster
1963-5-30
3805
Contra Costa
15 El Toyonal Orinda
Comment
CAS-BOT-BC303370
Gamochaeta ustulata
Gordon H. True
1975-6-27
7872
Contra Costa
Tilden Regional Park Botanic Garden, Wildcat Canyon
Comment
UC2028292
Gamochaeta ustulata
Barbara Ertter, Dan Norris
1998-6-18
16224
Contra Costa
Devil's Slide trail from Knobcone Point Road, south side of Mount Diablo, upper end of trail
Comment
UC1122635
Garrya elliptica
R. W. Lundh
1933-1-12
187
Contra Costa
0.5 mi s Round Mountain; Concord Quad.
609
Comment
CAS-BOT-BC200627
Garrya elliptica
Mary L. Bowerman
1933-3-11
1746
Contra Costa
Fossil Ridge, knoll south of 1778 point
Comment
RSA721733
Garrya flavescens subsp. flavescens
Barbara Ertter, Holly C. Forbes
1996-2-11
14549
Contra Costa
North side Mount Diablo; Murchio Gap on Median Ridge Road.
732
Comment
CAS-BOT-BC169947
Garrya fremontii
Mary L. Bowerman
1930-6-7
s.n.
Contra Costa
Meridian Peak Summit
Comment
POM203166
Garrya fremontii
L. S. Rose
1934-2-28
34041
Contra Costa
Summit of Mt. Diablo.
Comment
CDA28816
Gastridium phleoides
D. G. Kelch, Abigail Moore, Jessica Kolman
2009-5-3
9 .316
Contra Costa
Carquinez Strait; Crockett; on hill south of 5th St. with transmission tower on sandstone outcrop.
Comment
CAS-BOT-BC282610
Gastridium phleoides
Mary L. Bowerman
1933-6-14
2272
Contra Costa
Ridge between two main forks, Curry-Cave Canyon, Mount Diablo
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
CAS-BOT-BC278704
Gastridium ventricosum
Mary L. Bowerman
1932-4-27
1397
Contra Costa
Mount Diablo. Oyster Ridge, south face, canyon west of Riggs Canyon
335
Comment
HSC8643
Geranium carolinianum
Greg Bos
1963-3-9
31
Contra Costa
Point Isabel, Richmond
3
Comment
JEPS111978
Geranium dissectum
D. G. Kelch
2003-3-28
03 .89
Contra Costa
Rodeo - Lone Tree Point
2
Comment
UC571135
Geranium dissectum
A. E. Borell
1928-3-31
78
Contra Costa
Richmond
Comment
JEPS111972
Geranium molle
D. G. Kelch
2004-5-9
04 .203
Contra Costa
Crockett - Edwards Canyon Upper Edwards Canyon
160
Comment
RSA0029465
Geranium purpureum
Barbara Ertter
2000-5-14
17012
Contra Costa
Mount Diablo Regional Park, Falls Trail at Donner Creek crossing.
488
Comment
JEPS111982
Geranium robertianum
D. G. Kelch
2005-5-13
05 .254
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive Area along Vista Road ~ 2.5 kiloms West of Martinez
45
Comment
HSC98492
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 Blvd. and Golf Course Dr.
Comment
RSA0029580
Geranium rotundifolium
Barbara Ertter
1996-6-4
14684
Contra Costa
Tilden Regional Park in hills east of Berkeley, restoration site northeast of junction of Grizzly Peak Boulevard and Golf Course drive.
Comment
UC691613
Gilia achilleifolia subsp. multicaulis
Mary L. Bowerman
1935-5-30
3088
Contra Costa
Eagle Point Ridge Mount Diablo, Eagle Point Ridge
320
Comment
UCD117632
Gilia achilleifolia subsp. multicaulis
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
between Diablo and Summit.
Comment
UC1795760
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, grassland, oaks around knoll. .
487
Comment
RSA566429
Gilia capitata subsp. staminea
Peter L. Morrell, Donna S. Krause
1993-5-16
239
Contra Costa
Contra Costa County, along sides of raod 100m W of 1701 Wilbur Ave, Antioch, betw Southern Pacific tracks and San Joaquin River (0.5 miles W of Hwy 4/160).
Comment
UC402614
Gilia capitata subsp. staminea
C. L. Swenson
April, 1930
Contra Costa
Antioch
Comment
UCR86951
Gilia capitata subsp. staminea
Peter L. Morrell, Donna Krause
1993-5-16
239
Contra Costa
Along side of road 100m west of 1701 Wilbur Ave., Antioch, between Southern Pacific tracks and San Joaquin River (0.5 miles west of Calif. Hwy 4/160)
6
Comment
RSA79449
Gilia capitata subsp. staminea
E. K. Crum
1936-4-5
1746
Contra Costa
South Coast Ranges, 2 miles W of Bryon
46
Comment
UC575672
Gilia clivorum
Lewis S. Rose
1935-5-16
35175
Contra Costa
Mt. Diablo
Comment
UC691674
Gilia clivorum
Mary L. Bowerman
1935-4-17
2827
Contra Costa
West Road 2 mi from entrance (( = North Road), Mount Diablo); Mount Diablo, West Road (=North Road)
237
Comment
UC691678
Gilia clivorum
Mary L. Bowerman
1935-4-22
2894
Contra Costa
ridge w Pioneer Road (w of Stage Road) (Mount Diablo); Mount Diablo
822
Comment
SEINET10464620
Githopsis specularioides
Bowerman
1935-5-18
BOWERMAN 3034
Contra Costa
Meridian Peak north of the summit parking area
1067
Comment
UC1051198
Gladiolus X colvillei
N. Floy Bracelin
1944-6-11
2724
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC1738825
Glyceria occidentalis
Dean W. Taylor
1990-4-10
10675
Contra Costa
Byron Hot Springs Road, 1 mile S of Holey Road
24
Comment
CHSC75085
Glycyrrhiza lepidota
Roger Thom
1987-5-13
9
Contra Costa
Calif. State University Hayward's Contra Costa Campus. 3100 Oak Park Blvd. Pleasant Hill.
30
Comment
CDA35615
Gnaphalium californicum
I. Godwyn
2011-5-12
PDR# 1649778
Contra Costa
Richmond; Wildcat Canyon Regional Park, near McBryde Ave.
0
Comment
CDA5999
Gnaphalium canescens subsp. beneolens
D. G. Kelch, A. G. Murdock
2004-9-2
4 .345
Contra Costa
Carquinez Strait Region; Martinez -West: Ozol Rock and Scenic Drive. Alhambra Road. South of Green Street.
Comment
CDA6000
Gnaphalium canescens subsp. beneolens
D. G. Kelch, A. G. Murdock
2004-7-16
4 .318
Contra Costa
Carquinez Strait Region; Martinez-South: Pine Street entrance to Route 4 heading west.
Comment
RSA721738
Gnaphalium canescens subsp. beneolens
Barbara Ertter, Kristin Ertter
1995-7-11
14469
Contra Costa
Pine Creek on west side of Mt. Diablo southwest of Walnut Creek; Diablo Foothills Regional Park
Comment
CDA6041
Gnaphalium luteoalbum
D. G. Kelch, A. G. Murdock
2005-5-1
5 .185
Contra Costa
Carquinez Strait; Crockett; Edwards Canyon.
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
UC691823
Gnaphalium palustre
Mary L. Bowerman
1935-9-13
3342
Contra Costa
Frog Pond Mount Diablo
Comment
CAS-BOT-BC305226
Grindelia hirsutula
Lewis S. Rose
1930-7-22
s.n.
Contra Costa
Antioch Bridge
Comment
JEPS25017
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
UC1610053
Grindelia hirsutula
Meredith A. Lane
1986-9-8
3104
Contra Costa
at n city limit Pinole (along San Pablo Blvd.)
15
Comment
CAS-BOT-BC305224
Grindelia hirsutula
John Thomas Howell
1930-9-28
5495
Contra Costa
Liberty School on Marsh Creek Road
Comment
CAS-BOT-BC305230
Grindelia hirsutula
John Thomas Howell
1930-9-28
5486
Contra Costa
Tunnel Road near Oak Spring
Comment
CAS-BOT-BC305242
Grindelia hirsutula
John Thomas Howell
1929-9-21
4387
Contra Costa
4 miles west of Clayton
Comment
CAS-BOT-BC305245
Grindelia hirsutula
John Thomas Howell
1954-9-5
30027
Contra Costa
Marsh Creek Road 8 miles from Byron
Comment
SEINET201967
Grindelia hirsutula var. hirsutula
G. T. Robbins
1959-4-25
4003
Contra Costa
Potero Hills above shore of San Francisco Bay S of Castro Pt. and just N of Richmond-San Rafeal Bridge Richmond
Comment
UC691154
Guillenia flavescens
Mary L. Bowerman
1935-4-22
2879
Contra Costa
2 mi from North Gate (North Road, just w of chaparral); Mount Diablo
213
Comment
RSA44375
Guillenia lasiophylla
L. S. Rose
1949-3-24
49010
Contra Costa
1 mile W of Byron.
30
Comment
JEPS40433
Gutierrezia californica
William Turner
1965-10-13
Contra Costa
in the sand hills Antioch (along the San Joaquin River); San Joaquin River, Antioch
Comment
SJSU14141
Gutierrezia californica
D. B. Gschwend
1975-10-18
Contra Costa
3 mi up Nortonville Rd from Kirker Pass Rd, S of Pittsbutg
487
Comment Read comments Aug 17 2011
UC2028110
Hainardia cylindrica
Barbara Ertter with Christopher Baysdorfer
1998-5-10
16112
Contra Costa
Lime Ridge Open Space northwest of Mount Diablo, of Ohlone Trail.
Comment
UC1050450
Hebe hulkeana
N. Floy Bracelin
1941-5-4
1277
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
CDA5197
Hedera helix
D. G. Kelch, A. G. Murdock
2005-5-23
5 .373
Contra Costa
Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street, Crockett.
Comment
UC1795861
Hedera helix
Barbara Ertter
1994-10-23
13915
Contra Costa
Southwest El Cerrito, north edge Breuner's parking lot, northwest of Albany Hill.
Comment
JEPS112751
Hedypnois rhagadioloides
Dean W. Taylor
2001-3-28
17621
Contra Costa
Berkeley Hills, on slopes about 0.75 miles South of Highway 24 at eastern portal of the Caldecot Tunnel
298
Comment
CAS-BOT-BC309406
Helenium puberulum
Malcom A. Nobs; S. Galen Smith
1949-7-8
949
Contra Costa
Otto's Black Bass Resort, 4 miles north of Kingston
Comment
CDA6432
Helenium puberulum
T. C. Fuller
1958-7-3
1270 -58
Contra Costa
Carquinez Strait; Highway 4, 4 miles west of Martinez.
0
Comment
JEPS86722
Helianthella castanea
James A. Martin
1991-5-21
Contra Costa
800 ft se Castro Ranch (ca 1 mi n of nw end of San Pablo Dam)
182
Comment
UC62937
Helianthella castanea
H. M. Evans
1907-4-6
Contra Costa
Pine Canyon, Mt. Diablo
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
CAS-BOT-BC305671
Helianthus gracilentus
Mary L. Bowerman
1932-10-1
1602
Contra Costa
Mount Diablo. Mitchell Canyon
Comment
JEPS111836
Heliotropium curassavicum
A. G. Murdock
2004-6-4
327
Contra Costa
Pacheco Marsh Near shore on back of dikes
2
Comment
CDA7053
Hemizonia congesta subsp. luzulifolia
D. G. Kelch
2006-7-14
6 .333
Contra Costa
Between Rte 4 and Carbon Rd. E Rodeo.
Comment
JEPS12596
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1939-4-25
4061
Contra Costa
Richmond Hills
Comment
UC912566
Hemizonia congesta subsp. luzulifolia
Herbert L. Mason
7058
Contra Costa
Laundry Farm Oakland Hills
Comment
CAS-BOT-BC314870
Hemizonia congesta subsp. luzulifolia
H. M. Hall
1917-5-27
10314
Contra Costa
Fish Ranch, Berkeley Hills
Comment
CAS-BOT-BC314872
Hemizonia congesta subsp. luzulifolia
D. E. Breedlove
1969-10-18
16707
Contra Costa
Along the roadbank on Deer Hill Road near the junction with Happy Valley Road, Lafayette
Comment
CAS-BOT-BC314875
Hemizonia congesta subsp. luzulifolia
Mary L. Bowerman
1933-5-25
2197
Contra Costa
Oyster Ridge, between forks of teh branch of Alamo Creek on south side of main ridge, Mount Diablo
Comment
SEINET5782065
Hemizonia fitchii
L. S. Rose
1941-10-13
41464
Contra Costa
1 mi E of Walnut Creek
Comment
RSA121592
Hemizonia fitchii
H. S. Yates
1934-9-2
4086
Contra Costa
2 miles S of Mt. Diablo.
579
Comment
POM30955
Hemizonia kelloggii
Katherine Brandegee
1907-5-5
19
Contra Costa
Near Antioch.
Comment
RSA81617
Hemizonia pungens subsp. maritima
James I. McMurphy
1909-5-20
s.n.
Contra Costa
Antioch.
Comment
CDA38358
Heracleum lanatum
A. G. Murdock
2004-4-3
260
Contra Costa
Vaca Canyon.
Comment
CDA18901
Hesperis matronalis
V. Guise
2000-5-22
PDR 031723
Contra Costa
on the east side of Tassajara Rd., Danville.
0
Comment
JEPS23520
Hesperocnide tenella
Edw. L. Greene
Apr., 1889
Contra Costa
Pinole Canyon
Comment
UC2028049
Hesperocnide tenella
Barbara Ertter
1998-2-15
15913
Contra Costa
Shell Ridge Open Space on northwest base of Mount Diablo, outcrops on north side of Joaquin Ridge south of Indian Creek, +/- wooded.
Comment
CAS-BOT-BC167431
Hesperolinon breweri
Helen K. Sharsmith
1947-6-2
3947
Contra Costa
Headwaters of Marsh Creek, on shale (?) 0.6 miles from summit of Clayton-Tassajaro-Livermore Road, Mount Diablo
304
Comment
CAS-BOT-BC167441
Hesperolinon breweri
Mary L. Bowerman
1930-6-22
356
Contra Costa
Mitchell Canyon. Mt Diable
Comment
JEPS32328
Hesperolinon breweri
W. L. Jepson
1918-6-3
7568
Contra Costa
Donner Canyon Mt. Diablo
Comment
RSA0031306
Hesperolinon breweri
Barbara Ertter
2000-5-14
17000
Contra Costa
Donner Canyon on north side of Mount Diablo.
335
Comment
RSA102173
Hesperolinon breweri
M. K. C.
1885-06
s.n.
Contra Costa
Antioch
Comment
UC1058216
Hesperolinon breweri
W. H. Brewer
May 29 1862-Jan 1 1900
1181
Contra Costa
Camp 71 Mount Diablo Range, Marsh's Ranch
Comment
CDA22495
Heterotheca grandiflora
D. G. Kelch, Mike Park
2008-9-1
8 .294
Contra Costa
Carquinez Strait; 200 m W of Pacheco Slough, E of Martinez.
Comment Read comments Dec 4 2011
JEPS40434
Heterotheca grandiflora
William Turner
1965-11-23
Contra Costa
just e Antioch (in the Antioch sand hills); San Joaquin River
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
UC615565
Heterotheca sessiliflora subsp. echioides
Beryl O. Schreiber
1933-10-5
940
Contra Costa
Mount Diablo
Comment
UCD133087
Heterotheca sessiliflora subsp. echioides
Ann F. Johnson
1978-7-18
s.n.
Contra Costa
east of Antioch. Overlooking the south bank of the San Joaquin River.
Comment
UC1192275
Hibiscus lasiocarpos
Malcolm A. Nobs
1948-9-23
682
Contra Costa
7 mi. s. Kingston (Rock Slough); Rock Slough
Comment
CAS-BOT-BC203380
Hibiscus lasiocarpos var. occidentalis
Ira L. Wiggins
1954-9-5
13121
Contra Costa
Levee along Bethel Island
Comment
CAS-BOT-BC203382
Hibiscus lasiocarpos var. occidentalis
Ira L. Wiggins
1938-8-15
9006
Contra Costa
Banks of Old River branch of San Joaquin River at Highway #4
Comment
UC691425
Hieracium albiflorum
Mary L. Bowerman
1930-10-19
488
Contra Costa
s road at Garden-of-the-Gods; Mount Diablo
Comment
CDA2182
Holcus lanatus
D. G. Kelch, A. G. Murdock
2005-6-24
5 .386
Contra Costa
Carquinez Strait Region; 5th Street Prairie, Crockett.
Comment
JEPS129821
Holcus lanatus
Dean G. Kelch
2006-6-23
06 .320
Contra Costa
West Valona. West of the Zampa Bridge above San Pablo Ave.
Comment
CDA8362
Holocarpha heermannii
D. G. Kelch, A. G. Murdock, M. K. Herzenach
2004-9-2
4 .329
Contra Costa
Carquinez Strait; Near Summit of Mckewan Rd between Port Costa and I-4.
Comment
UC1332423
Holocarpha heermannii
P. B. Dickey
1932-9-14
164
Contra Costa
Walnut Creek
Comment
UC4897718
Holocarpha heermannii
Lewis S. Rose
1934-9-9
34462
Contra Costa
9 mi ne Danville
Comment
POM360677
Holocarpha heermannii
Hattie Beuton
1917-09
3287
Contra Costa
Mt. Diablo.
Comment
UC2012985
Holocarpha heermannii
Barbara Ertter with Lisa Schultheis
1996-9-2
15276
Contra Costa
South side of Mount Diablo, west end of Blackhawk Ridge.
Comment
CAS-BOT-BC320226
Holocarpha macradenia
David J. Powers
1974-10-6
1001
Contra Costa
100-400 feet east of highway 80, and 100-300 yards south of Appian Way, Pinole
Comment
SD94549
Holocarpha macradenia
David J. Powers
1974-10-6
1001
Contra Costa
100-400 feet east of highway 80 and 100-300 yards south of Appian Way, Pinole
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
CAS-BOT-BC320224
Holocarpha macradenia
Irja Knight
1979-5-3
3375
Contra Costa
In Pinole in a pasture on s.e. corner of Appian Way and I-80
Comment
CAS-BOT-BC320259
Holocarpha obconica
L. S. Rose
1941-10-16
41466
Contra Costa
6 miles west of Byron, on the Marsh Creek Road
33
Comment
UC517968
Holocarpha obconica
John Thomas Howell
1930-9-28
5501
Contra Costa
dry hills along the Marsh Creek Road 5.4 mi from Byron
Comment
CAS-BOT-BC320242
Holocarpha obconica
David D. Keck
1933-10-27
2566
Contra Costa
Vasco Road at junction with Byron Road
Comment
CAS-BOT-BC320245
Holocarpha obconica
James I. McMurphy
1909-5-21
s.n.
Contra Costa
Antioch Hills
Comment
OBI16047
Holocarpha obconica
Robert F. Hoover
1965-9-24
9649
Contra Costa
W of Byron, between Kellogg and Marsh Crks
Comment
CAS-BOT-BC123420
Holocarpha obconica subsp. autumnalis
David Daniels Keck; Jens Chr. Clausen
1933-10-27
2567
Contra Costa
1.6 miles W of Byron, 1.4 miles from junction with Vasco Road
Comment
SEINET5782142
Holocarpha virgata
L. S. Rose
1941-10-16
41467
Contra Costa
2 mi W of Byron
Comment
CAS-BOT-BC324611
Holocarpha virgata
David D. Keck
1933-11-2
2620
Contra Costa
Horse Valley between Lone Tree Way adn Marsh Creek Road, 6 miles from Antioch
Comment
UC532119
Holocarpha virgata subsp. virgata
David D. Keck
1933-10-27
2568
Contra Costa
1.6 mi w Byron (1.4 mi from junction with Vasco Road)
Comment
OBI16043
Holocarpha virgata subsp. virgata
Robert F. Hoover
1969-8-29
11566
Contra Costa
Raymond rd and Ames St, Livermore Valley
Comment
POM179764
Holocarpha virgata subsp. virgata
J. T. Howell
1930-9-28
5500
Contra Costa
6.3 miles from Byron on the Marsh Creek Road.
Comment
POM179767
Holocarpha virgata subsp. virgata
J. T. Howell
1930-9-28
5502
Contra Costa
5.4 miles from Byron on Marsh Creek Road.
Comment
JEPS112072
Holodiscus discolor
A. G. Murdock
2004-5-28
274
Contra Costa
Pinole Peak
205
Comment
JEPS112082
Holodiscus discolor
D. G. Kelch
2004-3-12
04 .31
Contra Costa
Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road. Contra Costa County, CA
220
Comment
JEPS99981
Holodiscus discolor
A. Langston
2003-6-12
AL 40
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
SEINET4090611
Holodiscus discolor
B. C. Templeton
1962-1
sn
Contra Costa
Mountain Diablo.
Comment
UC12336
Holodiscus discolor
Ivar Tidestrom
1895-6-1
Contra Costa
Crockett
Comment
UC691113
Holodiscus discolor
Mary L. Bowerman
1935-6-21
3146
Contra Costa
Mount Diablo, east fork Arroyo Del Cerro, several hundred yards below the spring Arroyo Del Cerro; Mount Diablo, Arroyo Del Cerro
289
Comment
CHSC114266
Hordeum brachyantherum
D. G. Kelch; Troy MacGregor
2009-5-10
09 .288
Contra Costa
Carquinez Strait: Fernandez Ranch in valley bottom along Christie Rd.
76
Comment
UC1606308
Hordeum brachyantherum subsp. brachyantherum
Barbara Ertter, Chris Thayer
1993-5-7
11689
Contra Costa
on Wildcat Canyon Road Hopkins Spring 1/2 mi se Inspiration Point (East Bay Municipal Utilities District land e of Tilden Park); Hopkins Spring, East Bay Municipal Utilities District land
304
Comment
UC756652
Hordeum brachyantherum subsp. brachyantherum
G. L. Stebbins Jr.
1946-6-9
3654
Contra Costa
2 mi E of El Cerrito (near Mira Vista Country Club)
Comment
CDA9486
Hordeum depressum
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .211
Contra Costa
Byron Airport.
Comment
RSA0033848
Hordeum depressum
Barbara Ertter, Brad Olson
2000-6-2
17304
Contra Costa
Brushy Peak Regional Preserve NE of Livermore, at south base of Brushy Peak.
Comment
UC50655
Hordeum depressum
Jos. Burtt Davy
May 1898
Contra Costa
Danville
Comment
CAS-BOT-BC284990
Hordeum depressum
Ira L. Wiggins
1930-4-17
4569
Contra Costa
2 mi. east of Mountain House on road to Byron
Comment
RSA756868
Hordeum marinum subsp. gussoneanum
Barbara Ertter, Jim Jokerst, Dave Magney
1989-4-5
8140
Contra Costa
West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton; near sea level
0
Comment
UC691196
Hordeum marinum subsp. gussoneanum
Mary L. Bowerman
1933-5-11
2086
Contra Costa
Inner Black Hills w of saddle , Inner Black Hills w of saddle (Mount Diablo)
Comment
UCD85827
Hordeum marinum subsp. gussoneanum
Beecher Crampton
1956-5-14
3411
Contra Costa
1 mile east of Pacheco, Buchanan Field.
Comment
CAS-BOT-BC284776
Hordeum murinum subsp. glaucum
Mary L. Bowerman
1933-5-8
2003
Contra Costa
Mount Diablo. Fossil Ridge, south face, not far from but out of sight of South Gate
289
Comment
CAS-BOT-BC284890
Hordeum murinum subsp. leporinum
R. E. Frenkel
1964-2-25
382
Contra Costa
North of Marsh Creek Road, 1/4 mile west of junction with Walnut Blvd.
33
Comment
UC691094
Horkelia californica subsp. dissita
Mary L. Bowerman
1932-11-25
1666
Contra Costa
Mount Diablo, Silver Spring
Comment
JEPS112088
Horkelia californica subsp. frondosa
D. G. Kelch
2004-5-2
04 .164
Contra Costa
Crockett - Edwards Canyon
125
Comment
UC1606349
Horkelia californica subsp. frondosa
Barbara Ertter with Dianne Lake
1991-8-18
10677
Contra Costa
e;steep N-facing slope above pilings, ne of Bull Valley staging area Crockett; Carquinez Stsrait Regional Shoreline
Comment
UC2062668
Horkelia californica subsp. frondosa
Barbara Ertter
2002-8-24
18015
Contra Costa
East end of Olympia Trail on NE side of Mount Diablo, at junction with uphill trail near intersection of Marsh Creek Road and Morgan Territory Road.
Comment
CAS-BOT-BC206138
Hosackia crassifolia
Alice Eastwood
1915-5-30
4524
Contra Costa
Mt. Diablo
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
UC1795762
Hydrocotyle verticillata
Barbara Ertter, Lincoln Constance
1995-6-16
14260
Contra Costa
East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area, mud on riprap.
Comment
UC691697
Hydrophyllum occidentale
Mary L. Bowerman
1930-6-10
311
Contra Costa
Mount Diablo summit; Mount Diablo
Comment
RSA691938
Hypericum calycinum
Barbara Ertter
1993-6-25
11907
Contra Costa
Oakland-Berkeley Hills, Grizzly Peak Boulevard ca 1/4 miles south of Tilden miniature steam trains (1/4 miles south of junction of Lomas Cantadas), mixed scrub forest.
488
Comment
JEPS124469
Hypericum perforatum subsp. perforatum
Daniel Slakey with CNPS Volunteers
2015-7-6
142
Contra Costa
Mt. Diablo, Green Ranch Rd. , about 200 meters west of jct. Alder Creek.
Comment
UC1555372
Hypochaeris radicata
Jerry Powell
1988-5-18
1533
Contra Costa
w Richmond; Point Molate
Comment
UC1948942
Hypochaeris radicata
William J. Ferlatte, L. Maynard Moe
1970-4-27
1252
Contra Costa
San Francisco Bay: Red Rock Island
Comment
CAS-BOT-BC311406
Hypochaeris radicata
Goodwin; Bellue
1932-5-6
s.n.
Contra Costa
Unspecified
Comment
CAS-BOT-BC133497
Iris
Walter Knight; Joanne Dean
1978-8-14
3152
Contra Costa
Browns Island
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
UC2029193
Iris pseudacorus
Barbara Ertter
2000-7-16
17381
Contra Costa
Diablo Foothills Regional Park, riparian strip along Pine Creek between Castle Rock Regional Recreation Area
Comment
UC1050492
Jovellana violacea
N. Floy Bracelin
1942-5-24
1412
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
CAS-BOT-BC102308
Juglans hindsii
L. R. Abrams
1916-7-29
6306
Contra Costa
Walnut Creek
Comment
CDA9514
Juncus acuminatus
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .241
Contra Costa
CA Delta; Along Clifton Court Near Clifton Court Forebay.
Comment
UC691939
Juncus balticus
Mary L. Bowerman
1933-9-15
2444
Contra Costa
s-face Meridian Peak; Mount Diablo, , Hunt Spring
762
Comment
UC1819015
Juncus bufonius var. bufonius
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14038
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, damp road bed, clayey, in grassy flat south of pond, near edge of blue oak forest.
Comment
SBBG122838
Juncus gerardi
B. Ertter, S. Matson
2003-5-31
18175
Contra Costa
Pickleweed Trail W of Arch Bridge, Martinez Regional Shoreline
Comment
CDA29782
Juncus occidentalis
D. G. Kelch, Troy MacGregor
2009-5-1
9 .262
Contra Costa
Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension.
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
UC2028537
Juncus occidentalis
Barbara Ertter
1998-2-15
15912
Contra Costa
Shell Ridge Open Space on northwest base of Mount Diablo, open bank southeast of Indian Valley Pond.
Comment
UCD141678
Juncus oxymeris
Ann F. Johnson
1978-6-26
AN 50
Contra Costa
Shore of San Joaquin River, PG and E site, Antioch Dunes.
Comment
JEPS112437
Juncus patens
D. G. Kelch
2004-5-7
04 .200
Contra Costa
Ca ada del Cierbo Ca ada del Cierbo
40
Comment
JEPS99595
Juncus patens
Mary Bowerman
1993-10-22
Contra Costa
Mount Diablo, Pine Pond floodplain.
Comment
RSA0069375
Juncus patens
Katie Gallagher, Nick Jensen
2014-4-26
214
Contra Costa
Las Trampas Regional Wilderness.
487
Comment
UCD32427
Juncus phaeocephalus var. paniculatus
Beecher Crampton
1950-6-10
590
Contra Costa
1 mile north of Richmond, along Santa Fe R.R.
Comment
JEPS111079
Juncus phaeocephalus var. phaeocephalus
Lee Echols
2003-6-2
s.n.
Contra Costa
N of Lark Drive in SW portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond
15
Comment
UC1819019
Juncus xiphioides
Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert
1996-5-16
14673
Contra Costa
Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; wetlands behind facilities at base of ''D'' road.
Comment
JEPS48303
Juniperus californica
W. L. Jepson
1920-9-6
9084 a
Contra Costa
Mt. Diablo
Comment
JEPS48340
Juniperus californica
W. L. Jepson
2642
Contra Costa
head of Mitchell Creek Mt. Diablo (near saddle of divide); , head of Mitchell Creek
Comment
UC727702
Juniperus californica
Milo S. Baker
1946-1-1
11255
Contra Costa
ca halfway to summit Mt. Diablo (near roadside at parking place)
Comment
POM212437
Juniperus californica
Joseph A. Ewan
1933-10-15
8038
Contra Costa
SW slope of Mt Diablo.
1067
Comment
JEPS11127
Keckiella corymbosa
W. L. Jepson
1920-8-12
9073
Contra Costa
very summit Mt. Diablo
Comment
UCD19084
Kochia scoparia subsp. scoparia
Clyde Elmore
1983-7-20
s.n.
Contra Costa
Contra Costa County.
Comment
POM300737
Koeleria macrantha
Mary L. Bowerman
1935-5-8
2974 a
Contra Costa
Knoll on spur south of Pioneer Camp. (20 feet higher than the upper edge of the chaparral)
762
Comment
SEINET10607073
Koeleria macrantha
Virginia E. Long
1933-6-14
Long 223 a
Contra Costa
Mt. Diablo. On top of grassy ridge between Curry Cave trail canyon & W. fork.
457
Comment
CAS-BOT-BC273612
Koeleria pyramidata
Mary L. Bowerman
1932-4-16
1354
Contra Costa
Mount Diablo. Eagle Point ridge above Twin Peaks (1682 point)
Comment
CAS-BOT-BC273615
Koeleria pyramidata
Mary L. Bowerman
1935-5-22
3036
Contra Costa
Mount Diablo. Eagle Point ridge, canyon at north end which heads into saddle west of Twin Peaks
304
Comment
UC1050499
Kolkwitzia amabilis
N. Floy Bracelin
1941-4-27
1227
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
JEPS99525
Lactuca saligna
Mary L. Bowerman
1975-9-14
Contra Costa
Mount Diablo. By hillside near Chase Pond.
Comment
UC2028100
Lactuca saligna
Barbara Ertter, Chris Thayer
1996-10-25
15372
Contra Costa
West side of Mount Diablo, North Gate Road 1 road mile NW of Burma Road, at west end of Long Ridge.
Comment
UCR66430
Lactuca virosa
J. T. Howell
1943-8-22
19310
Contra Costa
San Francisco Bay Region/Coast Range, near head of San Leandro Creek Canyon
244
Comment Read comments Jul 7 2009
RSA40156
Lactuca virosa
J. T. Howell
1943-8-22
19310
Contra Costa
Near head of San Leandro Creek Canyon.
244
Comment
CAS-BOT-BC341473
Lagophylla ramosissima
James I. McMurphy
1909-5-21
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC341476
Lagophylla ramosissima
Mary L. Bowerman
1930-6-5
262
Contra Costa
Mount Diablo. North road 5.8 miles from North Gate
457
Comment
UC1818925
Lagophylla ramosissima
Barbara Ertter, Mary Bowerman
1995-6-11
14253
Contra Costa
Shell Ridge Recreation Area southeast of Walnut Creek, bank of Indian Creek above Indian Valley Pond, partial sun on Franciscan layer.
76
Comment
CAS-BOT-BC341474
Lagophylla ramosissima
John Thomas Howell
1925-11-1
1550
Contra Costa
Hillside near Pinehurst, San Leandro Canyon
Comment
CDA42441
Lamium purpureum
D. G. Kelch, Daniel Weinstein
2013-3-9
13 .018
Contra Costa
Carquinez Strait; Crockett.
Comment
JEPS105733
Lastarriaea coriacea
David Gowen
2004-5-1
56
Contra Costa
Lime Ridge Open Space. Ridge trail in the north section of the park and south of the water tank.
Comment
JEPS10382
Lasthenia californica subsp. californica
W. L. Jepson
1931-4-5
15718
Contra Costa
adobe flat in hills about Nortonville
457
Comment
CAS-BOT-BC324480
Lasthenia ferrisiae
Alice Eastwood
1914-3-14
3761
Contra Costa
Byron Springs
Comment
CAS-BOT-BC353333
Lasthenia fremontii
Robert F. Hoover
1937-5-14
2118
Contra Costa
Byron Hot Springs.
Comment
CAS-BOT-BC353334
Lasthenia fremontii
K. Curran
April (Year not stated).
s.n.
Contra Costa
Suisun.
Comment
CAS-BOT-BC353336
Lasthenia fremontii
Peter H. Raven; H. L. Mason; R. Ornduff; et al.
1957-4-4
10587
Contra Costa
Vernal flats 3.0 miles S of Byron.
Comment
JEPS18258
Lasthenia fremontii
Peter H. Raven with Mason, Stone, Ornduff, Kuijt
1957-4-4
10587
Contra Costa
3 mi s of Byron
Comment
UC1314951
Lasthenia fremontii
R. F. Hoover
1967-4-28
10512
Contra Costa
Byron Hot Springs
Comment
UC1563908
Lasthenia fremontii
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8136
Contra Costa
w and adjacent to Clifton Court Forebay (ca. 15 air mi sw of Stockton, se Contra Costa County)
Comment
UC762046
Lasthenia fremontii
R. F. Hoover
1937-5-14
2118
Contra Costa
Byron Hot Springs
Comment
UC90074
Lasthenia fremontii
E. L. Greene
1884-4-1
Contra Costa
Byron Springs
Comment
RSA107033
Lasthenia fremontii
L. S. Rose
1956-4-16
56016
Contra Costa
2 miles SE of Byron
8
Comment
RSA516575
Lasthenia fremontii
R. C. Bacigalupi, G. Thomas Robbins
1956-3-26
5533
Contra Costa
About 2.5 miles S of Byron, just S of S.P.R.R. crossing on road to Bethany. Near head of Italian Slough.
6
Comment
RSA517746
Lasthenia fremontii
Donald G. Nelson
1937-3-30
470
Contra Costa
Railroad tracks paralleling the highway south of Byron on road to Tracy
Comment
POM301039
Lasthenia glaberrima
Mary L. Bowerman
1935-6-21
3153
Contra Costa
Mount Diablo: South of Turtle Rock, pool east of main pond
Comment
JEPS35405
Lasthenia glabrata subsp. glabrata
W. L. Jepson
1925-4-26
10686
Contra Costa
Black Hills Mt. Diablo, Black Hills
Comment
UC1618392
Lasthenia glabrata subsp. glabrata
Barbara Ertter, Chris Thayer
1993-5-7
11705
Contra Costa
1/2 mi n of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land e of Tilden Park
457
Comment
UC1563907
Lasthenia gracilis
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8119
Contra Costa
alkali sink w and adjacent to Clifton Court Forebay (ca. 15 air mi sw of Stockton)
0
Comment
SD5689
Lasthenia microglossa
K. Curran
May 1884
Contra Costa
Antioch.
Comment Read comments Mar 10 2008
UC34480
Lasthenia microglossa
Chesnut and Drew
1889-4-17
Contra Costa
Clayton
Comment
CDA27128
Lathyrus jepsonii subsp. californicus
D. G. Kelch
2007-4-29
7 .204
Contra Costa
Carquinez Strait; Richmond; Chevy s Hill N. Hilltop Dr.
Comment
CAS-BOT-BC205012
Lathyrus jepsonii var. jepsonii
Alice Eastwood
1915-6-21
4729
Contra Costa
San Leandro
Comment
CAS-BOT-BC205015
Lathyrus jepsonii var. jepsonii
Walter Knight; Lawrence R. Heckard; Bert Johnson
1978-9-28
3301
Contra Costa
Browns Island. South Landing
Comment
UC1795699
Lavatera assurgentiflora
Barbara Ertter, Rich Rabeler
1994-6-6
12822
Contra Costa
Point Isabel in south Richmond; acacia copse at edge of bay at south side of point.
Comment
UC650363
Layia chrysanthemoides
Ira L. Wiggins
1930-4-17
4572
Contra Costa
s Byron
Comment
CAS-BOT-BC323906
Layia chrysanthemoides
Ira L. Wiggins
1930-4-17
4572
Contra Costa
1/4 mile S of Byron
Comment
POM53189
Layia chrysanthemoides
C. F. Baker
1903-4-27
2903
Contra Costa
Byron.
Comment
UC761861
Layia gaillardioides
R. F. Hoover
1936-4-16
973
Contra Costa
e slope of Bald Peak
Comment
CAS-BOT-BC321076
Layia glandulosa
Joseph Andorfer Ewan
1935-3-10
9146
Contra Costa
Along Sacramento River at Antioch
Comment
UC202677
Layia glandulosa
unknown
1889-4-15
Contra Costa
Comment
UC468839
Layia glandulosa
W. C. Blasdale
1893-5-13
Contra Costa
Comment
UCD133904
Layia glandulosa
Annetta M. Carter
1933-4-23
300
Contra Costa
above the San Joaquin River, between Antioch Bridge and Antioch.
Comment
CAS-BOT-BC327246
Layia hieracioides
John Thomas Howell
1940-4-21
15405
Contra Costa
Pine Canyon, Mt. Diablo
Comment
CAS-BOT-BC327244
Layia hieracioides
K. Curran
1883-5-1
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC370667
Layia platyglossa
C. F. Baker
1903-5-28
2874
Contra Costa
Antioch
Comment
JEPS89794
Layia platyglossa
Dean William Taylor
1971-3-28
992
Contra Costa
on Mount Diablo, Mount Diablo State Park Mount Diablo; Mount Diablo State Park, Mount Diablo
914
Comment
SBBG28031
Layia platyglossa
L. S. Rose
1933-4-17
33093
Contra Costa
Antioch
Comment
UC691491
Layia platyglossa
Mary L. Bowerman
1933-6-7
2261
Contra Costa
North Peak Ridge Mount Diablo, North Peak Ridge
1021
Comment
POM301051
Layia platyglossa
Mary L. Bowerman
1935-4-26
2916
Contra Costa
Ridge W of Indian Ceremonial Spring: Rocky ridge with S exposure
1006
Comment
SEINET10759869
Layia platyglossa
John T. Middleton
1936-4-18
Middleton 143
Contra Costa
Deer Valley, Ca.
Comment
CDA31884
Leersia oryzoides
D. G. Kelch
2007-11-13
7 .656
Contra Costa
Carquinez Strait; Old brick factory 1.2 km SE of Port Costa.
Comment
CDA37946
Leersia oryzoides
D. G. Kelch, Mike Perlmutter
2011-9-23
11 .754
Contra Costa
Immediately north of Discovery Bay.
Comment
SACT001393
Leersia oryzoides
Malcolm Nobs
1948-9-23
Contra Costa
Growing in shallow water along slough bank, just coming to bloom. 7 miles south Kingston.
Comment
CDA9564
Lemna gibba
D. G. Kelch
2007-6-17
7 .463
Contra Costa
Carquinez Strait; Fernandez Ranch, Muir Land Trust. Franklin Canyon.
0
Comment
UC692108
Lemna minor
Mary L. Bowerman
1933-9-9
2427
Contra Costa
n of Curry Canyon (Mount Diablo, Blackberry Spring); Mount Diablo, Blackberry Spring
Comment
UC2029071
Lemna valdiviana
Barbara Ertter
2000-7-16
17413
Contra Costa
Turtle Rock Ponds on east side of Pine Creek, west side of Mount Diablo.
Comment
CDA31190
Lepechinia calycina
D. G. Kelch, Troy McGregor; Ed Biffin
2010-6-1
Contra Costa
Mt. Diablo. Knobcone Point Rd.
Comment
UC691410
Lepechinia calycina
Mary L. Bowerman
1938-5-28
3638
Contra Costa
Mount Diablo North Road 5.4 miles from North Gate
457
Comment
UC691411
Lepechinia calycina
Mary L. Bowerman
1932-9-3
1532
Contra Costa
Mount Diablo, Muir area: Burn (1931)
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
OBI60003
Lepidium acutidens
Joseph Andorfer Ewan
1935-3-10
9136
Contra Costa
Donovan rd Kicker Pass
Comment
UCD169966
Lepidium chalepense
R. M. Case
2001-5-10
PDR-P 088777
Contra Costa
On Solano Ave., Concord.
Comment
UC2029022
Lepidium coronopus
Barbara Ertter
1999-7-17
16762
Contra Costa
Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road.
Comment
RSA788058
Lepidium dictyotum var. acutidens
L. S. Rose
1949-3-24
49012
Contra Costa
4 mi south of Byren
8
Comment
JEPS76804
Lepidium latifolium
R. Ornduff and Douglas W. James Jr.
1978-6-18
Contra Costa
s end Point Pinole Regional Park; San Francisco Bay
Comment
CAS-BOT-BC89717
Lepidium latifolium
Walter Knight; Harry Reeves
1979-8-21
3411
Contra Costa
East of reservoir. Contra Loma Regional Park, Antioch.
22
Comment
UC2070649
Lepidium latifolium
Barbara Ertter
2002-8-24
18021
Contra Costa
Dunn Creek south of Mount Diablo Mine property on NE base of Mount Diablo.
Comment
CAS-BOT-BC89765
Lepidium latipes
John Thomas Howell
1933-3-29
10907
Contra Costa
Nortonville Hills.
Comment
JEPS53652
Lepidium latipes
W. L. Jepson
1931-4-5
15720
Contra Costa
Nortonville
396
Comment
CHSC21607
Lepidium nitidum
Willis Ball
1975-2-23
446
Contra Costa
Contra Loma Regional Park. In area #2. Ca. 160 yds w of main parking lot.
30
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
UC480595
Lepidium nitidum
Carl Meyer
1928-2-22
292
Contra Costa
Mt. Diablo
Comment
JEPS111855
Lepidium nitidum var. nitidum
D. G. Kelch
2003-2-7
03 .37
Contra Costa
Franklin Canyon
115
Comment
UC1563655
Lepidium nitidum var. oreganum
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8123
Contra Costa
ca 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay, se Contra Costa Co.); se Contra Costa Co.
Comment
POM204090
Lepidium oxycarpum
L. S. Rose
1933-3-29
33041
Contra Costa
Nortonville.
Comment
CAS-BOT-BC273931
Leptochloa fusca subsp. fascicularis
John Thomas Howell; Gordon H. True
1972-6-29
48944
Contra Costa
Along Byron Hot Springs Road where water has stood, southeast of Byron
Comment
UC2027726
Leptosiphon bicolor
Barbara Ertter with Brad Olson, Jim Shevock, et al.
1997-3-19
15506
Contra Costa
Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood.
Comment
JEPS100183
Lessingia glandulifera var. glandulifera
David Gowen
2004-5-11
58
Contra Costa
Lime Ridge Open Space; Ridge trail in the N section of the park and S of the water tank
Comment
UCD134062
Lessingia glandulifera var. glandulifera
Ann F. Johnson
1978-5-26
AN- 21
Contra Costa
San Joaquin River in front of east PG and E tower, Antioch Dunes.
Comment
UCD134065
Lessingia glandulifera var. glandulifera
Peter Rubtzoff
1954-9-14
1751
Contra Costa
Lower San Joaquin River, E of Antioch.
Comment
RSA107412
Lessingia pectinata var. tenuipes
L. S. Rose
1955-10-17
55185
Contra Costa
Antioch
15
Comment
CDA39047
Leymus X multiflorus
D. G. Kelch
2011-6-5
11 .576
Contra Costa
Carquinez Strait; South of Crockett, south of Cummings Skyway.
Comment
POM365328
Leymus condensatus
A. A. Beetle
1941-6-24
1751
Contra Costa
Pt. Richmond on San Francisco Bay
Comment
CAS-BOT-BC283733
Leymus condensatus
W. A. Silveus
1938-7-5
3215
Contra Costa
El Cerrito
Comment
CAS-BOT-BC272216
Leymus triticoides
Walter Knight
1978-8-27
3188
Contra Costa
Contra Loma Regional Park
30
Comment
UC53466
Leymus triticoides
Jos. Burtt Davy
1900-6-7
6658
Contra Costa
near Pacheco
Comment
UCD87590
Leymus triticoides
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
Between Diablo and Summit.
Comment
CAS-BOT-BC272213
Leymus triticoides
Mary L. Bowerman
1935-6-28
3159
Contra Costa
Inner Black Hills west of the meridian, Mount Diablo
Comment
CAS-BOT-BC272214
Leymus triticoides
R. E. Frenkel
1964-9-19
848
Contra Costa
On Morgan Territore Road, 0.2 mile south of summit
637
Comment
UC2029157
Leymus triticoides
Barbara Ertter
2000-7-29
17448 a
Contra Costa
Lower Donner Canyon just above Donner Cabin site, on north side of Mount Diablo.
Comment
UC692006
Lilium pardalinum
Mary L. Bowerman
1935-6-21
3144
Contra Costa
e fork Arroyo del Cerro; Mount Diablo
289
Comment
UC692007
Lilium pardalinum
Mary L. Bowerman
1935-6-21
3144
Contra Costa
e fork Arroyo del Cerro; Mount Diablo
289
Comment
UC971814
Limnanthes douglasii subsp. rosea
Annetta Carter
1941-4-27
1635
Contra Costa
3 mi se Byron
Comment
UC1795775
Limonium sinuatum
Barbara Ertter, Brad Olson
1994-5-7
12767
Contra Costa
Western Drive to Point Molate north west of Richmond-San Rafael bridge toll plaza, roadside near entrance to Point Molate Naval site
Comment
JEPS58158
Linanthus androsaceus
W. L. Jepson
1891-1
20906
Contra Costa
Fish Ranch Berkeley Hills
Comment
UC691640
Linanthus bicolor
Mary L. Bowerman
1931-3-29
619
Contra Costa
East Cave Point Ridge; Mount Diablo
Comment
UC727781
Linanthus bicolor
Milo S. Baker
1946-4-20
11332
Contra Costa
s of Clayton (summit)
Comment
UC1713208
Linanthus bolanderi
Mary L. Bowerman
1935-4-26
2905
Contra Costa
w of Indian Ceremonial Spring; Mount Diablo
1005
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
UC75206
Linanthus liniflorus
C. F. Baker
1903-4-27
2864
Contra Costa
Byron
Comment
JEPS123317
Linanthus parviflorus
David Gowen with Chris Thayer
2010-4-30
1090
Contra Costa
North of Briones Reservoir. Rocky area on hill above Oursan Trail just west of its junction with Hampton Trail.
Comment
UC964003
Linanthus pygmaeus subsp. continentalis
R. F. Hoover
1939-4-13
4020
Contra Costa
w branch Head of Markley Canyon
Comment
UC1050873
Linaria maroccana
N. Floy Bracelin
1941-5-11
1302
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
UC2062459
Linum bienne
Barbara Ertter
2002-5-16
17852
Contra Costa
Richmond Field Station (UC-Berkeley) at end of Lark Lane.
Comment
JEPS112262
Lithophragma affine
A. G. Murdock
2004-4-30
265
Contra Costa
Vaca Canyon
Comment
HSC20215
Lithophragma affine
Greg Bos
1963-3-9
36
Contra Costa
Albany Hill
9
Comment
SEINET5557311
Lithophragma affine
H. S. Gentry
1931-1
47
Contra Costa
Collected near Buckle Point Mt. Diablo.
Comment
CDA945
Lithophragma heterophyllum
D. G. Kelch
2006-5-4
6 .124
Contra Costa
Carquinez Strait; Vaca Canyon, on North facing road cut/bank along Alhambra Valley Road.
Comment
JEPS75510
Lithophragma heterophyllum
P. F. Yorks
1974-3-22
117
Contra Costa
N of Briones Reservoir (ca. 1.8 km S of Bear Creek Road on Hampton Road); Hampton Road Natural Reserve
Comment
POM142563
Lithophragma heterophyllum
C. F. Baker
1903-4-28
2811
Contra Costa
Mitchell s Canyon, Mt. Diablo.
Comment
CAS-BOT-BC342121
Logfia filaginoides
Alice Eastwood
1923-5-4
11724
Contra Costa
Mt Diablo
Comment
CDA15269
Lolium multiflorum
G. F. Hrusa, D. Crowe
1998-5-8
14400
Contra Costa
Sacramento Delta; Moist, areas within disturbed grasslands at E end of Dow Chemical property. Rare form with branched inflorescence. Perennial?
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
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
CAS-BOT-BC269060
Lolium perenne
J. W. Congdon
1889-6-19
s.n.
Contra Costa
Byron Springs
Comment
UC606746
Lolium perenne
Edward Lee
1936-4-19
1973
Contra Costa
Red Rock , se shore Red Rock (San Francisco Bay)
Comment
UC659027
Lomatium caruifolium var. caruifolium
Mildred E. Mathias
1937-4-11
1163
Contra Costa
3 mi. s. Byron
Comment
UCD150873
Lomatium caruifolium var. caruifolium
P. B. Kennedy
1914-3-15
4625
Contra Costa
Sunset Cemetery.
Comment
UC691429
Lomatium macrocarpum
Mary L. Bowerman
1933-4-26
1906
Contra Costa
e.-s.e. of the peak North Peak ridge (Mt. Diablo); Mt. Diablo
579
Comment
UC2028148
Lomatium macrocarpum
Barbara Ertter
1998-4-4
15965
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo and Indian Valley School.
Comment
POM132672
Lomatium nudicaule
A. D. E. Elmer
1903-05
4322
Contra Costa
Mount Diablo
Comment
UCD102387
Lomatium nudicaule
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
SEINET7879187
Lomatium utriculatum
C. M. Belshaw
1936-1
2105
Contra Costa
Tassajera Rd, 1 miles S. of summit Sec. 16 T. 1 S. R. 1E.
Comment
JEPS12841
Lonicera hispidula var. vacillans
W. L. Jepson
May 23 1891-May 24 1891
Contra Costa
Mt. Diablo
Comment
UC650409
Lonicera involucrata var. ledebourii
Ira L. Wiggins
1930-4-18
4594
Contra Costa
levee on e end Jersey Island
Comment
UC1051193
Lonicera thibetica
N. Floy Bracelin
1944-6-11
2727
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC1051339
Lophospermum erubescens
N. Floy Bracelin
1941-6-15
1389
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
JEPS55420
Lotus crassifolius var. crassifolius
Milo S. Baker
1904-6-24
Contra Costa
Summit of Mt. Diablo
Comment
UC692530
Lotus humistratus
Mary L. Bowerman
1933-5-2
1940
Contra Costa
below Pioneer Camp; Mount Diablo
762
Comment
UC692531
Lotus humistratus
Mary L. Bowerman
1931-5-7
802
Contra Costa
North Peak Ridge Mount Diablo
Comment
UC1795732
Lotus scoparius var. scoparius
Barbara Ertter, Brad Olson
1994-5-7
12761
Contra Costa
S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge
Comment
JEPS55877
Lotus strigosus
Chesnut and Drew
1890-4-18
Contra Costa
Antioch
Comment
JEPS108217
Lotus strigosus
David Gowen
2005-4-27
270
Contra Costa
Lime Ridge Open Space. In the southern section of the park on the east side of hill 724. Growing in sandy bare area along chaparral.
Comment
JEPS108357
Lotus strigosus
David Gowen, Abby Moore, Mike Park
2005-4-10
226
Contra Costa
Lime Ridge Open Space. Growing on sandy trail in NE area of park.
Comment
JEPS116857
Lotus strigosus
David Gowen
2007-4-13
673
Contra Costa
On dirt road junction (Ridge Trail) between Castle Rock Recreation Area and Borges Ranch.
Comment
JEPS55837
Lotus wrangelianus
W. L. Jepson
May 22 1891-May 23 1891
13796
Contra Costa
Mt. Diablo
Comment
UC1555365
Lotus wrangelianus
Jerry Powell
1988-4-8
1531
Contra Costa
Point Molate, in w Richmond Richmond
Comment
UC692263
Lotus wrangelianus
Mary L. Bowerman
1933-5-9
2045
Contra Costa
Stage Road Mount Diablo
853
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
UC692325
Lotus wrangelianus
Mary L. Bowerman
1933-5-25
2189
Contra Costa
w end of s face Osyter Ridge; Mount Diablo
396
Comment
JEPS111572
Ludwigia peploides
D. G. Kelch
2004-7-9
04 .299
Contra Costa
Port Costa - Reservoir. Port Costa pond
28
Comment
UC1970563
Lupinus
Donald G. Nelson
1937-4-24
516
Contra Costa
in rolling hill country north of Byron; Marsh Creek Road
Comment
JEPS64909
Lupinus albifrons
W. L. Jepson
1931-4-5
15724
Contra Costa
Oakley part of Antioch sand-dune formation, Oakley
18
Comment
UC1713207
Lupinus albifrons
C. F. Baker
1903-4-25
2823
Contra Costa
Antioch
Comment
UC2042499
Lupinus albifrons
Barbara Kelly
2011-4-18
Contra Costa
Tilden Regional Park, along Lomas Cantadas Rd., on a steep, rocky slope above the road.
Comment
UC400154
Lupinus albifrons
Ynes Mexia
1929-4-21
2378
Contra Costa
Moraga Valley
Comment
LA205021
Lupinus albifrons
J. A. Ewan;
1934-3-10
8645
Contra Costa
Wildcat Canyon, 2 mi below Orinda Rd bridge,
Comment
CAS-BOT-BC201375
Lupinus albifrons var. albifrons
James McMurphy
1910-4-9
s.n.
Contra Costa
Antioch
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
UC1818990
Lupinus arboreus
Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert
1996-5-16
14670
Contra Costa
Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay, edge of coastal bluff on south side of Point Molate.
Comment
JEPS112402
Lupinus bicolor
Dean G. Kelch and Andrew G. Murdock
2005-4-24
05 .166
Contra Costa
Franklin Canyon; County: Contra Costa; Franklin Canyon, Contra Costa County, CA. Collier Hill. West Carbon.
Comment
UC33589
Lupinus bicolor
J. P. Tracy
1900-3-24
624
Contra Costa
Point Richmond San Francisco Bay, Point Richmond (Dry Hill)
15
Comment
UC692567
Lupinus bicolor
Mary L. Bowerman
1931-4-4
671
Contra Costa
West Road just w Turtle Rock, Mount Diablo (= North Road, Mount Diablo); Mount Diablo, just w of Turtle Rock
Comment
UC73195
Lupinus bicolor
Chesnut and Drew
1889-4-18
Contra Costa
Antioch
Comment
UC762917
Lupinus bicolor
R. F. Hoover
1935-3-10
306
Contra Costa
Antioch
Comment
UC2028255
Lupinus bicolor
Barbara Ertter with Gary Schoolcraft
1996-4-7
14573
Contra Costa
Point San Pablo in west Richmond, crest of road to yacht harbor, coastal grassland along ridge, scraped roadbed to tower
Comment
UCD107314
Lupinus bicolor
Helen K. Sharsmith
1963-4-7
5292
Contra Costa
near Oakley south of Antioch.
15
Comment
SEINET10485223
Lupinus densiflorus
Frenkel
1964-4-18
FRENKEL 424
Contra Costa
2.1 mi. E of danville on tassajara rd.
130
Comment
CDA27486
Lupinus microcarpus var. densiflorus
A. G. Murdock, D. G. Kelch
2003-6-2
88
Contra Costa
Carquinez Strait Region; Crockett - Eckley. East of pier at base of cliff.
Comment
UC692275
Lupinus microcarpus var. densiflorus
Mary L. Bowerman
1931-4-18
735
Contra Costa
Green Valley Mount Diablo (Mount Diablo); , Green Valley
Comment
JEPS100117
Lupinus microcarpus var. microcarpus
G. Smick
2003-5-30
GAS 198
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC201008
Lupinus microcarpus var. microcarpus
Katharine Brandegee
1918-6-16
Contra Costa
Richmond Annex; El Dorado St.
Comment
UC201010
Lupinus microcarpus var. microcarpus
Katharine Brandegee
June 1918
Contra Costa
Richmond Annex; El Dorado St.
Comment
UC201011
Lupinus microcarpus var. microcarpus
Katharine Brandegee
1918-6
Contra Costa
Richmond Annex
Comment
UC201022
Lupinus microcarpus var. microcarpus
Katharine Brandegee
1918-6-19
Contra Costa
Richmond Annex; El Dorado St.
Comment
UC692572
Lupinus microcarpus var. microcarpus
Mary L. Bowerman
1931-4-4
657
Contra Costa
North Road 4.5 mi from North Gate Mount Diablo (bank above road); Mount Diablo
Comment
UC15974
Lupinus pachylobus
W. H. Brewer
1862-5-12
1074
Contra Costa
Monte Diablo
Comment
UC2027717
Lupinus pachylobus
Barbara Ertter with Stu Garrett
1997-3-29
15522 a
Contra Costa
West side Mount Diablo, Burma Road above North Gate Road.
Comment
CHSC75089
Lupinus polycarpus
Roger Thomas
1987-4-21
5
Contra Costa
3300 block of Johnson Rd. Lafayette.
152
Comment
RSA121635
Lupinus subvexus var. subvexus
C. M. Belshaw
1936-5-11
2098
Contra Costa
5 1/3 miles east of Danville.
290
Comment
CHSC21642
Lupinus succulentus
Willis Ball
1975-3-2
464
Contra Costa
Contra Loma Regional Park. In area #4. At edge of beach on e side of lake ca. 50 yds s of dam.
33
Comment
UC1555370
Lupinus succulentus
Jerry Powell
1988-4-1
1529
Contra Costa
Point Molate Point Molate, West Richmond; West Richmond, Point Molate
Comment
UC692272
Lupinus succulentus
Mary L. Bowerman
1931-3-21
588
Contra Costa
Sycamore Canyon Sycamore Canyon, Mount Diablo (Mount Diablo); , Sycamore Canyon
335
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
CDA20732
Lycium chinense
J. Deviney
2006-7-5
PDR 1374005
Contra Costa
Viano Vineyards, 150 Morello Ave., Martinez.
Comment
CDA33071
Lycopus americanus
D. G. Kelch
2010-10-5
10 .425
Contra Costa
The Delta.; Antioch shoreline. West of Fulton shipyard.
Comment
JEPS107094
Lycopus americanus
Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson
1991-10-20
10876
Contra Costa
Dow Wetlands Preserve, just w. Antioch marina, e. end of marsh across from marina
Comment
JEPS78624
Lythrum californicum
Walter Knight, L. R. Heckard and Bert Johnson
1978-9-28
3281
Contra Costa
Browns Island, Botany Cove Browns Island; , Botany Cove
Comment
POM300654
Lythrum californicum
Mary L. Bowerman
1932-12-5
1681
Contra Costa
Willow Spring (near W road, N of Blvd Spring.
Comment
CDA29701
Lythrum hyssopifolia
D. G. Kelch, D. A. Weinstein
2009-7-15
9 .495
Contra Costa
Carquinez Strait; Point Pinole.
Comment
CDA5134
Lythrum hyssopifolia
D. G. Kelch, A. G. Murdock
2005-5-5
5 .213
Contra Costa
Carquinez Strait Region; Point Pinole - Giant Marsh. Giant Salt Marsh.
Comment
JEPS112520
Lythrum hyssopifolia
D. G. Kelch
2003-6-22
03 .90
Contra Costa
Rodeo - Lone Tree Point
2
Comment
RSA0015854
Lythrum hyssopifolia
Mary L. Bowerman
1932-8-27
1522
Contra Costa
Spring south of Turtle Rock.
Comment
UCR263783
Lythrum tribracteatum
Barbara Ertter, Brad Olson
1991-9-28
10834
Contra Costa
San Pablo Reservoir between Orinda and El Sobrante
91
Comment
UCD102388
Madia elegans
Daniel Sanchez-Mata; M. P. Rodriguez-Rojo
2002-4-24
s.n.
Contra Costa
Mount Diablo State Park. North Peak Road to North Peak.
1000
Comment
JEPS99498
Madia elegans
Mary Bowerman
1979-5-12
Contra Costa
Mount Diablo. North Peak trail between Devil's Pulpit & Prospectors Gap.
Comment
UC2029031
Madia elegans
Barbara Ertter
2002-8-24
18041
Contra Costa
lower Perkins Canyon on NE base of Mount Diablo.
Comment
UC697171
Madia exigua
Mary L. Bowerman
1931-5-19
867
Contra Costa
Donner Canyon trail Mount Diablo
274
Comment
CDA8271
Madia gracilis
D. G. Kelch, A. G. Murdock
2005-5-6
5 .222
Contra Costa
Carquinez Strait; East of Christie Road. South of Route 4, Franklin Canyon.
Comment
JEPS111538
Madia gracilis
D. G. Kelch
2005-5-6
05 .222
Contra Costa
Franklin Canyon East of Christie Road. South of Route 4
127
Comment
UC691768
Madia gracilis
Mary L. Bowerman
1931-5-21
889
Contra Costa
Curry-Cave Point trail
Comment
UC1795769
Madia gracilis
Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert
1996-5-16
14677
Contra Costa
Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; grassland/scrub at northeast corner of area.
Comment
SD8609
Madia radiata
Katherine Curran
May 1883
Contra Costa
Antioch
Comment Read comments Jan 9 2007
RSA0008526
Madia radiata
A. A. Heller
1938-4-9
s.n.
Contra Costa
3 miles southwest of Antioch
Comment
UC1861832
Madia sativa
Barbara Ertter with Richard Rabeler
1994-6-18
12838
Contra Costa
Pt. Pinole Regional Shoreline at north end of Richmond; northeast corner of park, near jct. Marsh Trail and Cook's Point Trail.
Comment
UC2027972
Madia sativa
Barbara Ertter with Richard Rabeler, Tony Morosco
1997-6-10
15664
Contra Costa
Point Richmond, crest of road.
Comment
UC1050874
Magnolia liliiflora
N. Floy Bracelin
1942-2-22
1301
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment Read comments Sep 11 2020
UC2028014
Malacothamnus fasciculatus
Barbara Ertter
1997-9-14
15821
Contra Costa
Southwest side of Mount Diablo, Wall Point Road at head of Emmons Canyon.
Comment
UC2028109
Malacothamnus fasciculatus
Barbara Ertter with Christopher Baysdorfer
1998-5-10
16114
Contra Costa
Lime Ridge Open Space northwest of Mount Diablo, on north end of Ohlone Trail.
Comment
CAS-BOT-BC206328
Malacothamnus fremontii
Joanne Taylor
1941-7-18
20
Contra Costa
By hills of Nortonville.
243
Comment
CAS-BOT-BC206329
Malacothamnus fremontii
Walter Knight; Irja Knight
1967-4-2
s.n.
Contra Costa
Nortonville.
Comment
UC697144
Malacothamnus fremontii
Mary L. Bowerman
1932-9-24
1590
Contra Costa
Ridge running west from Twin Peaks Mount Diablo
335
Comment
POM301021
Malacothamnus hallii
Mary L. Bowerman
1933-6-3
2223
Contra Costa
2 miles by road from North Gate
Comment
CAS-BOT-BC204093
Malacothamnus hallii
Mary L. Bowerman
1938-11-12
3732
Contra Costa
Mount Diablo. Lime Ridge, on crest of ridge south of 1004
289
Comment
CAS-BOT-BC345270
Malacothrix californica
Kellogg
No date on label
s.n.
Contra Costa
Antioch
Comment
UC691447
Malacothrix floccifera
Mary L. Bowerman
1933-4-25
1908
Contra Costa
ridge ese North Peak; Mount Diablo
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
CDA39046
Malva parviflora
D. G. Kelch
2011-6-5
11 .575
Contra Costa
Carquinez Strait; South of Crockett, south of Cummings Skyway.
Comment
JEPS111542
Malva pseudolavatera
D. G. Kelch
2003-3-28
03 .83
Contra Costa
Rodeo - Lone Tree Point
2
Comment
RSA0042211
Malvella leprosa
D. G. Kelch
2006-7-14
06 .332
Contra Costa
Between Rte 4 and Carbon Rd. E Rodeo.
24
Comment
OBI12334
Malvella leprosa
Robert F. Hoover
1966-8-31
9944
Contra Costa
1.5 mi E of Danville on Tassajara rd
Comment
UC2027740
Malvella leprosa
Barbara Ertter
1997-1-5
15443
Contra Costa
Lime Ridge Open Space on northwest side of Mount Diablo, section on north side of Ygnacio Valley Road.
Comment
CHSC21640
Marah fabacea
Willis Ball
1975-3-2
466
Contra Costa
In area #4. On hill top ca. 50 yds e of large willow trees at ne end of lake. Contra Loma Regional Park.
53
Comment
JEPS111874
Marah fabacea
D. G. Kelch
2003-3-21
03 .40
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive
40
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
CHSC46895
Marah oregana
R. A. Schlising
1964-6-5
2715
Contra Costa
Oakland Hills, along Grizzly Peak Blvd.
Comment Read comments Jun 3 2014
CAS-BOT-BC348048
Matricaria discoidea
R. E. Frenkel
1963-5-27
208
Contra Costa
On Morgan Territory Road, 0.2 mile south of summit
637
Comment
CAS-BOT-BC348049
Matricaria discoidea
Mary L. Bowerman
1931-4-4
653
Contra Costa
Mount Diablo. North Road 4.5 miles from North Gate
Comment
CAS-BOT-BC348050
Matricaria discoidea
Katharine Brandegee
No date on label
s.n.
Contra Costa
Byron Spring
Comment
CDA29088
Medicago arabica
D. G. Kelch
2006-5-7
6 .15
Contra Costa
Carquinez Strait.; Crockett. Upper Edward s Canyon.
Comment
UC1606303
Medicago arabica
Barbara Ertter, Chris Thayer
1993-5-7
11699
Contra Costa
on Wildcat Canyon Rd. 1/2 mi e Inspiration Point (e of Tilden Park); East Bay Municipal Utilities District land, Hopkins Spring
304
Comment
UC692279
Medicago polymorpha
Mary L. Bowerman
1931-4-11
703
Contra Costa
Pine Canyon Mount Diablo (level grassy area toward mouth)
Comment
JEPS127048
Medicago polymorpha var. polymorpha
Lowell Ahart, Josephine Guardino
2016-4-19
20762
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
UCD86382
Melica bulbosa
M. Wiesendanger
1926-6-1
1530
Contra Costa
Mt. Diablo.
Comment
POM300624
Melica californica
Mary L. Bowerman
1935-5-25
3070
Contra Costa
Meridian Peak south of the summit (east of the hairpin turn on road). Mount Diablo.
1067
Comment
UC1132245
Melica californica
C. M. Belshaw
1936-5-8
2051
Contra Costa
1.75 mi sse Mt. Diablo summit; Mt. Diablo Quad.
609
Comment
CAS-BOT-BC271217
Melica californica
Niall McCarten; V. I. Dains
1986-6-1
03251142
Contra Costa
W. of Camino Diablo and Kellogg Creek
Comment
CAS-BOT-BC281434
Melica imperfecta
Virginia E. Long
1933-6-14
221 a
Contra Costa
Mt Diablo. On slope SE-E along first W fork from Curry Creek trail
335
Comment
UCD87871
Melica imperfecta
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
Between Diablo and Summit.
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
POM257058
Melica imperfecta var. refracta
Virginia Long
1933-6-14
221 a
Contra Costa
Mt. Diablo. On slope SE-E along first west fork from Curry Creek Trail.
Comment
CDA32524
Melica torreyana
D. G. Kelch, Andrew Murdock
2003-3-21
3 .055
Contra Costa
Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive.
Comment
SEINET3449596
Melica torreyana
Dean G. Kelch, Andrew G. Murdock
2003-3-21
DGK 3 .055
Contra Costa
Martinez West, Martinez West, Ozol Rock and Scenic Drive
40
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
UC1950128
Melica torreyana
Barbara Ertter with John Little
1989-4-2
8111
Contra Costa
Hillside Park in El Cerrito, on steep W-facing slope
Comment
UC651294
Melilotus indicus
Ira L. Wiggins
1930-4-18
4599
Contra Costa
Jersey Island
Comment
OBI72118
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
366
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
UC19612
Mentzelia micrantha
Edw. L. Greene
1892-6-24
Contra Costa
Mt. Diaiblo
Comment
UC1795721
Mentzelia micrantha
Barbara Ertter, Mary L. Bowerman
1994-6-19
12848 a
Contra Costa
Mt. Diablo State Park east of Walnut Creek; lower Summit Parking Lot, roadside.
Comment
CDA31454
Micropus californicus
D. G. Kelch
2006-5-2
6 .21
Contra Costa
Carquinez Strait; Fernandez Ranch; W. Christie Rd.
Comment
JEPS40629
Micropus californicus var. californicus
W. L. Jepson
1923-4-22
9877
Contra Costa
Mt. Diablo
Comment
JEPS40631
Micropus californicus var. californicus
W. L. Jepson
1922-5-23
9664
Contra Costa
Mt. Diablo
Comment
UC691827
Micropus californicus var. californicus
Mary L. Bowerman
1932-4-16
1335
Contra Costa
near w branch Donner Canyon; Mount Diablo
Comment
UC88386
Micropus californicus var. californicus
T. S. Brandegee
May 1886
Contra Costa
Antioch
Comment
CAS-BOT-BC348364
Micropus californicus var. californicus
Paul F. Covel
1939-5-1
s.n.
Contra Costa
Somersville, east of Clayton
Comment
CAS-BOT-BC348366
Micropus californicus var. californicus
Brandegee
No date on label
s.n.
Contra Costa
Antioch
Comment
RSA0069379
Micropus californicus var. californicus
Katie Gallagher, Nick Jensen
2014-4-26
210
Contra Costa
Las Trampas Regional Wilderness.
487
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
UC1795751
Microseris douglasii
Barbara Ertter, Brad Olson, Diane Lake
1996-4-14
14585
Contra Costa
Crest of Marsh Creek Road on north side of Mt. Diablo southeast of Clayton, south-facing roadcut opposite entrance to Three Springs Trail; annual grasses and Lotus.
274
Comment
UC2027921
Microseris douglasii
Barbara Ertter with Dan Norris
2001-4-8
17583
Contra Costa
Lime Ridge Open Space east of Walnut Creek, high part of main ridge.
Comment
CAS-BOT-BC348891
Microseris douglasii subsp. douglasii
Alice Eastwood
1921-4-18
10252
Contra Costa
Antioch
Comment
UC71937
Microseris douglasii subsp. douglasii
J. Burtt Davy
1895-4-7
966
Contra Costa
Antioch
Comment
UC92107
Microseris douglasii subsp. douglasii
M. K. Curran
1886-1
Contra Costa
Antioch
Comment
CAS-BOT-BC348888
Microseris douglasii subsp. douglasii
Ira L. Wiggins
1930-4-17
4560
Contra Costa
1 mi. E. of Mountain House, on road to Byron
Comment
CAS-BOT-BC349093
Microseris douglasii subsp. tenella
Mary L. Bowerman
1933-4-15
1847
Contra Costa
Mount Diablo. Canyon south of Arroyo del Cerro
Comment
UC768670
Microseris douglasii subsp. tenella
Robert F. Hoover
1939-4-25
4062
Contra Costa
Richmond Hills
Comment
CAS-BOT-BC349094
Microseris douglasii subsp. tenella
Ira L. Wiggins
1930-4-17
4560 A
Contra Costa
1 mi. E. of Mountain House, on road to Byron
Comment
CAS-BOT-BC349168
Microseris elegans
Alice Eastwood
1914-3-14
3800
Contra Costa
Byron Springs
Comment
CAS-BOT-BC349169
Microseris elegans
Brandegee
No date on label
s.n.
Contra Costa
Byron Springs
Comment
CAS-BOT-BC322766
Microseris sylvatica
Alice Eastwood; John Thomas Howell
1936-4-19
2136
Contra Costa
Nortonvile
Comment
UC691443
Microseris sylvatica
Mary L. Bowerman
1935-5-22
3053
Contra Costa
canyon at n end Eagle Point ridge (which heads into saddle w of Twin Peaks, near head of canyon); Mount Diablo
Comment
UC26958
Mimulus arvensis
Jos. Burtt Davy
1901-4-21
6929
Contra Costa
Wildcat Canyon
Comment
JEPS78823
Mimulus aurantiacus var. aurantiacus
Edward Lee
1936-5-24
2165
Contra Costa
10 mi from Marsh Creek Road; Morgan Territory
Comment
UC943784
Mimulus aurantiacus var. aurantiacus
H. E. McMinn
1945-2-27
5455
Contra Costa
along road near base Mt. Diablo
Comment
RSA550837
Mimulus aurantiacus var. aurantiacus
David M. Thompson
1992-6-3
1107
Contra Costa
SW base of Mt. Diablo, E of Danville. 2.6 mi NE of Blackhawk and diablo rads along Mt. Diablo Scenic Boulvard and South Gate Road
378
Comment
UC2027951
Mimulus cardinalis
Barbara Ertter with Joanne Kerbavaz and Mary Bowerman
2000-8-20
17515
Contra Costa
South side Mount Diablo, Green Ranch Road at Meridian Springs Creek crossing.
Comment
UC27034
Mimulus latidens
W. H. Brewer
1862-5-26
1161
Contra Costa
near Mt. Diablo; ; near Mt. Diablo
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
UC26995
Mimulus nasutus
J. Burtt Davy
1893-5-13
214
Contra Costa
Claremont Canyon to Fish Ranch fide fieldbook
Comment
SJSU2617
Minuartia douglasii
W. E. Ferguson
1942-4-25
Contra Costa
E base of Mt Diablo
304
Comment
UC2027714
Minuartia douglasii
Barbara Ertter with Stu Garrett
1997-3-29
15525
Contra Costa
West side Mount Diablo, Burma Road on Long Ridge.
Comment
UC692304
Moehringia macrophylla
Mary L. Bowerman
1931-5-16
861
Contra Costa
on n side Mount Diablo summit; Mount Diablo summit on n side
Comment
CAS-BOT-BC221677
Monardella douglasii
A. D. E. Elmer
1903-7-1
4544
Contra Costa
Mount Diablo
Comment
UC691408
Monardella douglasii
Mary L. Bowerman
1935-6-1
3116
Contra Costa
Diablo Trail Mount Diablo, Meridian Peak
1082
Comment
JEPS51850
Monardella douglasii
Mary L. Bowerman
1933-6-21
2327
Contra Costa
Donner Canyon: slightly south of Bilharan Lodge; Mount Diablo
Comment
JEPS112466
Monardella villosa subsp. villosa
A. G. Murdock
2004-5-28
291
Contra Costa
Pinole Peak
405
Comment
JEPS99497
Monolopia gracilens
Mary Bowerman
1979-5-2
Contra Costa
Mount Diablo, Old Mines Trail, Back Canyon.
Comment
UC697150
Monolopia gracilens
Mary L. Bowerman
1933-5-9
2057
Contra Costa
Muir area Mount Diablo (sw slope e of the rocks)
Comment
CAS-BOT-BC349617
Monolopia major
James McMurphy
1910-4-9
s.n.
Contra Costa
Antioch
Comment
UC50097
Monolopia major
H. P. Chandler
1900-3-23
582
Contra Costa
Briones Valley Mount Diablo Region
Comment Read comments Feb 9 2019
UC629756
Monolopia major
Ethel Crum
1936-4-6
1741
Contra Costa
2 mi w Byron
45
Comment
UC697148
Monolopia major
Mary L. Bowerman
1933-5-25
2196
Contra Costa
e of saddle Osyter Ridge; Mount Diablo
396
Comment
POM181484
Monolopia major
I. L. Wiggins
1930-4-17
4584
Contra Costa
1/4 mi. S. of Byron.
Comment
RSA666388
Montia fontana
Barbara Ertter
1993-4-17
11511
Contra Costa
Morgan Territory 10 air miles N of Livermore, in lee of Mt. Diablo. Shallow side at edge of sandstone outcrop S of Hummingbird trail.
610
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
CAS-BOT-BC445038
Montia linearis
John Thomas Howell
1933-5-14
11226
Contra Costa
St. Mary's College
Comment
UC1198226
Muilla maritima
J. P. Tracy
1900-3-24
607
Contra Costa
near Point Richmond; Region about San Francisco Bay
3
Comment
UC1731501
Myosurus minimus
Dean W. Taylor
1992-4-16
12391
Contra Costa
s of Bryon Hot Springs (San Joaquin Valley); San Joaquin Valley
45
Comment
UC1738083
Myosurus minimus
D. E. Stone
1957-2-28
14268 A12
Contra Costa
3 mi S of Byron ( on road to Herdlyn)
Comment
UC1738113
Myosurus minimus
D. E. Stone
1957-3-15
14 -20
Contra Costa
3 mi S of Byron ( on road to Herdlyn)
Comment
POM181444
Myosurus minimus
I. L. Wiggins
1930-4-7
4580
Contra Costa
1/4 mile S of Byron
Comment
UCD96307
Myosurus minimus
H. L. Mason
1952-4-14
14263
Contra Costa
3.5 miles south of Byron.
Comment
UC1101329
Myosurus sessilis
Herbert L. Mason
1952-4-26
14272
Contra Costa
3.5 mi s of Byron
Comment
UC1101331
Myosurus sessilis
Herbert L. Mason
1952-4-26
14269
Contra Costa
3.5 mi s of Byron
Comment
UC1101359
Myosurus sessilis
Herbert L. Mason
1952-3-13
14200
Contra Costa
3.3 mi s Bryon
Comment
UCD96288
Myosurus sessilis
H. L. Mason
1952-4-26
14269
Contra Costa
3.5 miles south of Byron.
Comment
JEPS112428
Myriophyllum aquaticum
Christopher Thayer
1996-3-29
Contra Costa
Pinole Creek, near intersection of Pinole Vally Rd and Castro Ranch Rd, on East Bay Municipal Utility District land
Comment
UC1777714
Myriophyllum sibiricum
M. R. Bell
1950-10-9
Contra Costa
near Concord (from stock pond on farm of E. J. Mangini)
Comment
RSA755539
Najas guadalupensis
Barbara Ertter, Brad Olson
1991-9-28
10838
Contra Costa
San Pablo Reservoir between Orinda and El Sobrante
91
Comment
UC2028567
Narcissus pseudonarcissus
Barbara Ertter
1997-2-11
15451
Contra Costa
North side of Mount Diablo, Donner Cabin site on Donner Canyon Road.
Comment
CAS-BOT-BC259902
Nassella lepida
Mary L. Bowerman
1938-6-30
3701
Contra Costa
Mount Diablo. Blue Oak Flat
822
Comment
RSA217245
Nassella lepida
D. E. Breedlove
1970-4-18
17437
Contra Costa
At the north edge of Lafayette above Laurel Drive
244
Comment
UC692413
Nassella lepida
Mary L. Bowerman
1932-4-27
1387
Contra Costa
canyon w Riggs Canyon (w exposure, s face of mt); Mount Diablo, Oyster Ridge
335
Comment
CAS-BOT-BC259905
Nassella lepida
Mary L. Bowerman
1932-4-27
1387
Contra Costa
Mount Diablo. Oyster Ridge, canyon W of Riggs Canyon
335
Comment
CAS-BOT-BC260128
Nassella pulchra
Mary L. Bowerman
1935-4-26
2902
Contra Costa
Mount Diablo. W of Indian Ceremonial Spring
1021
Comment
UC60251
Nassella pulchra
Jos. Burtt Davy
1899-4-19
7864
Contra Costa
Las Trampas Peak
Comment
UCD36922
Nassella pulchra
Beecher Crampton
1956-5-14
3403
Contra Costa
Southeastern Mount Diablo, headwaters of Marsh Creek.
640
Comment
UCD87436
Nassella pulchra
A. A. Beetle
1941-3-29
1718
Contra Costa
Orinda.
Comment
CAS-BOT-BC260129
Nassella pulchra
Mary L. Bowerman
1933-5-11
2085
Contra Costa
Mount Diablo. Inner Black Hills, W of saddle
Comment
CAS-BOT-BC60355
Nasturtium officinale
D. E. Breedlove
1969-10-18
16722
Contra Costa
Along Alhambra Valley Road near junction with Bear Creek Road, southeast of Pinole.
Comment
JEPS103663
Navarretia hamata subsp. parviloba
David Gowen
2003-6-14
Contra Costa
Lime Ridge Open Space, on fire road below transmission tower
274
Comment
SEINET3163766
Navarretia mellita
J. T. Howell
1938-6-30
13938
Contra Costa
head of Siesta Valley
Comment
SEINET11268198
Navarretia mellita
Barbara Ertter
1999-6-12
16720
Contra Costa
Knobcone Point Road on south side of Mount Diablo, head of NE fork of Sycamore Creek.; 0
488
Comment
SEINET196200
Navarretia mellita
Herbert L. Mason
1945-6-12
Contra Costa
Ridge SE fo Mount.Diablo near summit of road up Marsh Creek.
Comment
UC908171
Navarretia mellita
Herbert L. Mason
1945-6-12
12588
Contra Costa
se of Mount Diablo (near summit of road up Marsh Creek)
Comment
JEPS116946
Navarretia nigelliformis subsp. radians
David Gowen
2008-4-16
860
Contra Costa
West end of Horse Valley. Banks of drainage south of #857.
Comment
JEPS116940
Navarretia nigelliformis subsp. radians
David Gowen
2008-4-21
867
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
CAS-BOT-BC233595
Navarretia pubescens
Brandegee
No date on label
s.n.
Contra Costa
Antioch
Comment
UC1124139
Navarretia pubescens
C. M. Belshaw
1936-5-13
2115
Contra Costa
3.7 mi ene Tassajero; Mt. Diablo Quad.
670
Comment
UCD32434
Navarretia pubescens
Beecher Crampton
1950-7-2
599
Contra Costa
Contra Costa County, north base of Mt. Diablo, Mitchell Creek Canyon, south side but northen exposure.
259
Comment
UC106831
Navarretia viscidula
K. Brandegee
Contra Costa
Antioch
Comment
CDA29222
Nemophila heterophylla
D. G. Kelch
2006-5-7
6 .152
Contra Costa
Carquinez Strait.; Crockett. Upper Edward s Canyon.
Comment
JEPS111834
Nemophila heterophylla
A. G. Murdock
2004-4-30
258
Contra Costa
Vaca Canyon
165
Comment
SJSU6099
Nemophila heterophylla
C. O. Dudley
1966-3-30
Contra Costa
Briones Hills 10 mi SW of Martinez
Comment
UC1021937
Nemophila heterophylla
Rolf Y. Berg
1955-4-3
Contra Costa
Laurel Dell Camp Mt. Diablo State Park; , Laurel Dell Camp
Comment
UC146146
Nemophila heterophylla
Joseph P. Tracy
1903-4-18
1797
Contra Costa
e slope of Bald Peak San Francisco Bay Region, , Bald Peak (Berkeley Hills)
304
Comment
POM249049
Nemophila heterophylla
Lincoln Constance, J. H. Morrison
1938-5-5
2190
Contra Costa
Above Deer Flat near head of Mitchell Canyon, NW slope of Mt Diablo.
671
Comment
SEINET4080336
Nemophila heterophylla
M. W. Garcia
1960-1
60070
Contra Costa
Near drinking fountain on Mount Diablo. Lower Terrace Camp.
609
Comment
UC67147
Nemophila menziesii
Harley P. Chandler
1900-3-23
595
Contra Costa
Briones Hills San Francisco Bay Region, Briones Hills
Comment
UCSB7545
Nemophila menziesii
Kamb, Peter; Chisaki, Francia
1950-3-18
Contra Costa
Saddle between North and South Peaks of Mount Diablo
883
Comment
JEPS111846
Nemophila menziesii var. menziesii
D. G. Kelch
2005-3-25
05 .84
Contra Costa
Pinole Peak Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak
250
Comment
RSA421347
Nemophila menziesii var. menziesii
Mark Morris
1929-2-22
s.n.
Contra Costa
Mt. Diablo.
Comment
UC592126
Nemophila pedunculata
H. L. Mason
1932-3-20
6841
Contra Costa
Antioch sand hills
Comment
UC2028229
Nerium oleander
Barbara Ertter
1998-11-15
16467
Contra Costa
North side Mount Olympia on north side Mount Diablo.
Comment
JEPS128779
Nicotiana acuminata var. multiflora
Kevin Hintsa
1997-6-29
Contra Costa
Mount Diablo State Park, floodplain of Pine Creek, near Pine Pond.
Comment
UC1795825
Nicotiana glauca
Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers
1996-5-11
14627
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
CAS-BOT-BC140359
Oemleria cerasiformis
Barrett Anderson
1987-4-30
3506
Contra Costa
Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD
125
Comment
RSA51235
Oemleria cerasiformis
Peter H. Raven
1950-3-5
1409
Contra Costa
Happy Valley Road, 2.8 miles above intersection with Upper Happy Valley road.
244
Comment
SEINET6824845
Oemleria cerasiformis
E. R. Drew
1888-2-22
s.n.
Contra Costa
Moraga Valley
Comment
JEPS716
Oenothera deltoides subsp. howellii
W. L. Jepson
1945-10-28
27570
Contra Costa
Antioch Sand Hills
Comment
CAS-BOT-BC171586
Oenothera deltoides subsp. howellii
W. M. Klein
1958-6-9
433
Contra Costa
Sandhills north of Antioch along the San Joaquin River channel.
1
Comment
UCD17865
Oenothera deltoides subsp. howellii
Glen Holstein
2000-6-23
s.n.
Contra Costa
California. Contra Costa County: Midway between Brentwood and Oakley on west side of Highway 4.
Comment
CAS-BOT-BC7128
Oenothera deltoides var. howellii
Alice Eastwood; John Thomas Howell
1936-4-19
2147
Contra Costa
Antioch
Comment
RSA0004531
Oenothera deltoides var. howellii
Alice Eastwood, J. T. Howell
1936-4-19
2147
Contra Costa
Sand dunes at Antioch
Comment
SEINET7719109
Oenothera micrantha
Chesnut, Drew
1889-4-18
Contra Costa
Antioch
Comment
UC2028003
Olea europaea
Barbara Ertter with Amy Rusev
1998-1-17
15902
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
UC27891
Orobanche bulbosa
F. T. Bioletti
1894-5-13
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC502762
Orobanche bulbosa
Mary L. Bowerman
1938-6-24
3694
Contra Costa
Mount Diablo: Pioneer Road junction
853
Comment
UC691505
Orobanche fasciculata
Mary L. Bowerman
1935-5-16
2995
Contra Costa
Mount Diablo. Russelman Park, just south of the north boundary of section 25 (east of gate).
Comment
POM15657
Orthocarpus purpurascens
C. F. Baker
1903-4-27
2794
Contra Costa
Byron.
Comment
PASA163
Orthocarpus pusillus
Frank W. Peirson
1926-4-10
Contra Costa
Road from Pablo to Pinole
Comment
CDA4721
Oxalis corniculata
D. G. Kelch, A. G. Murdock
2005-5-23
5 .375
Contra Costa
Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street, Crockett.
Comment
UC2029198
Oxalis pes-caprae
Barbara Ertter
2003-2-8
18093
Contra Costa
Richmond Field Station (UC-Berkeley)
Comment
UC2028147
Packera breweri
Barbara Ertter
1998-4-4
15966
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo, and Indian Valley School.
Comment
SD241914
Papaver californicum
Mary Bowerman
1978-5-14
Contra Costa
Mount Diablo. Old wagon trail to mines on E face of Eagle Peak.
Comment
UC1795772
Parapholis incurva
Barbara Ertter, Brad Olson
1994-5-7
12764
Contra Costa
S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge
Comment
CAS-BOT-BC259647
Paspalum dilatatum
John Thomas Howell
1954-9-5
30025
Contra Costa
Marsh Creek Springs Park
Comment
UCD84177
Paspalum distichum
Chuck Hughes
2009-10-2
136
Contra Costa
Marsh Creek at County Jail on Marsh Creek Road.
179
Comment
SEINET12728273
Pectocarya linearis
T. S. Brandegee
1890-1
s.n.
Contra Costa
Antioch California.
Comment
UC573135
Pectocarya penicillata
H. L. Mason
1932-3-20
6845
Contra Costa
Antioch sand hills
Comment
UC79144
Pectocarya penicillata
T. S. Brandegee
April 1889
Contra Costa
Antioch
Comment
UC691617
Pedicularis densiflora
Mary L. Bowerman
1931-2-28
526
Contra Costa
Mount Diablo, near s road just below junction Mount Diablo
Comment
UCSB12518
Pedicularis densiflora
Grah, Nancy
1962-4-14
Contra Costa
1.1 miles on Tappan Lane north of Tarry Lane, Orinda
243
Comment
UCSB11198
Pedicularis densiflora
Hayes, Judy
1961-3-30
Contra Costa
3 miles N of South Gate of Mount Diablo State Park
670
Comment
UC16281
Pediomelum californicum
G. Davidson
July 1892
Contra Costa
Mt. 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
UC903300
Pellaea andromedifolia
Ethel Crum
1930-4-14
571
Contra Costa
Mitchell Canyon; Mt Diablo
Comment
SBBG26831
Penstemon centranthifolius
L. S. Rose
1936-4-24
36158
Contra Costa
3 mi E of Antioch
15
Comment
UCR136718
Penstemon centranthifolius
L. S. Rose
1936-4-24
36158
Contra Costa
3 mi east of Antioch
15
Comment
UCD124087
Penstemon centranthifolius
M. Wiesendanger
1925-5-1
1481
Contra Costa
San Miguel.
Comment
UC2028143
Penstemon heterophyllus var. purdyi
Barbara Ertter
1998-4-4
15972
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo, Quarry Hill.
Comment
JEPS107104
Pentachaeta alsinoides
Barbara Ertter, Lisa Schultheis
1995-4-27
14006
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
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
RSA93286
Pentachaeta exilis
Alice Eastwood, J. T. Howell
1936-4-19
2137
Contra Costa
Nortonville.
Comment
UC697212
Pentachaeta exilis
Mary L. Bowerman
1931-4-4
670
Contra Costa
w Turtle Rock; Mount Diablo
Comment
POM55516
Pentachaeta exilis
C. F. Baker
1903-4-28
2826
Contra Costa
Marsh Creek, Mt. Diablo.
Comment
CAS-BOT-BC71614
Pentagramma triangularis
D. E. Breedlove
1970-4-18
17426
Contra Costa
at the north edge of Lafayette above Laurel Drive
243
Comment
UC1354307
Perideridia californica
T. I. Chuang, L. R. Heckard and R. Bacigalupi
1968-4-27
6437
Contra Costa
Deer Flat Mt. Diablo
Comment
JEPS100133
Perideridia kelloggii
A. Langston
2003-7-9
AL 63
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC1606429
Perideridia kelloggii
Barbara Ertter, Brad Olson
1993-8-8
12203
Contra Costa
sw San Ramon; Bishop Ranch Regional Open Space
Comment
UC1613941
Perideridia kelloggii
Charles M. Belshaw
1935-6-24
1020
Contra Costa
Sobrante Hills
Comment
CAS-BOT-BC413781
Persicaria lapathifolia
Walter Knight
1978-8-27
3163
Contra Costa
Contra Loma Regional Park
30
Comment
CAS-BOT-BC413778
Persicaria lapathifolia
D. E. Breedlove
1969-10-18
16719
Contra Costa
Along Alhambra Valley Road near junction with Bear Creek Road, SE of Pinole
Comment
CAS-BOT-BC413779
Persicaria lapathifolia
Walter Knight
1977-7-15
s.n.
Contra Costa
At reservoir's edge, golf course, Antioch. Lone Tree Road
30
Comment
UC2029086
Persicaria maculosa
Barbara Ertter
2000-7-16
17396
Contra Costa
Lower Pine Creek in Diablo Foothills Regional Park.
Comment
UC1949094
Persicaria punctata
Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich
2009-12-3
19805
Contra Costa
at upper (south) end of San Pablo Dam Reservoir northwest of Orinda
Comment
JEPS1454
Phacelia breweri
W. L. Jepson
1891-5-24
21009
Contra Costa
Mt. Diablo
Comment
JEPS1458
Phacelia breweri
Mary L. Bowerman
1935-4-26
2898
Contra Costa
w Indian Ceremonial Spring; Mount Diablo
1021
Comment
UC24303
Phacelia breweri
W. H. Brewer
1058
Contra Costa
Mount Diablo; ; Mt. Diablo
Comment
POM256513
Phacelia breweri
H. L. Mason
1938-5-3
11750
Contra Costa
Trail between Juniper Camp and Deer Flat, Mount Diablo.
Comment
UC671750
Phacelia californica
Lincoln Constance
1940-3-16
2524
Contra Costa
margin of San Francisco Bay Point Richmond
15
Comment
UC671751
Phacelia californica
Lincoln Constance
1940-3-16
2524
Contra Costa
margin of San Francisco Bay Point Richmond
15
Comment
UCD32388
Phacelia californica
Beecher Crampton
1950-4-22
533
Contra Costa
Contra Costa County, between Concord Valley and Pittsburg, steep hillside of southern exposure in road cut along state highway 4.
152
Comment
JEPS2178
Phacelia cicutaria var. cicutaria
M. K. Curran
1884-1
Contra Costa
Antioch
Comment Read comments Feb 9 2013
JEPS111829
Phacelia distans
D. G. Kelch
2005-4-15
05 .141
Contra Costa
Rodeo Creek EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump)
100
Comment
UCD102384
Phacelia distans
Daniel Sanchez-Mata; M. P. Rodriguez-Rojo
2002-4-24
s.n.
Contra Costa
Mount Diablo State Park. Devils Elbow-Devils Pulpit.
960
Comment
RSA0027642
Phacelia divaricata
Barbara Ertter, Tony Morosco
1998-4-12
16020
Contra Costa
Mount Olympia on north side of Mount Diablo, Olympia Road down ridge west of summit.
854
Comment
CDA381
Phacelia imbricata
D. G. Kelch
2007-6-3
7 .432
Contra Costa
East Bay; Along gated portion of Hampton Rd N of San Pablo Reservoir.
Comment
UC1228354
Phacelia imbricata subsp. imbricata
L. R. Heckard
1956-7-17
805
Contra Costa
Hampton Rd about 1 mi ne junction with Bear Creek road (n of Lafayette); Briones Hills
213
Comment
UC691693
Phacelia imbricata subsp. imbricata
Mary L. Bowerman
1930-6-5
252
Contra Costa
West rd 5.8 mi from entrance; Mount Diablo
457
Comment
UC691696
Phacelia imbricata subsp. imbricata
Mary L. Bowerman
1934-4-21
2543
Contra Costa
knoll e Pioneer Camp; Mount Diablo
Comment
UC735094
Phacelia imbricata subsp. imbricata
Lincoln Constance, T. Morley, R. H. Shan, and W. H. Wagner
1946-4-26
3033
Contra Costa
trail from Juniper Camp to Deer Flat; Mount Diablo
838
Comment
JEPS111825
Phacelia nemoralis subsp. nemoralis
D. G. Kelch
2005-5-1
05 .189
Contra Costa
Crockett - Edwards Canyon
150
Comment
LA205630
Phacelia perityloides
H. M. Hall; F. M. Essig
1916-5-31
10135
Contra Costa
Mt. Diablo
347
Comment Read comments Mar 29 2015
JEPS1104
Phacelia phacelioides
Mary L. Bowerman
1930-6-7
285
Contra Costa
Meridian Peak summit Mount Diablo
Comment
UC24325
Phacelia phacelioides
Edw. L. Greene
1890-6-20
Contra Costa
Mt. Diablo
Comment
JEPS111840
Phacelia tanacetifolia
D. G. Kelch
2004-4-3
04 .56
Contra Costa
Crockett-Tormey Headlands west of I-80 and Cummings Skyway junction.
75
Comment
JEPS87899
Phacelia tanacetifolia
Barbara Ertter
1991-5-5
9774
Contra Costa
s of Pittsburg (above Nortonville Pass, Black Diamond Mines Regional Preserve, s side of Rose Hill); Black Diamond Mines Regional Preserve, Rose Hill
365
Comment
CAS-BOT-BC265808
Phalaris arundinacea
Walter Knight; Irja Knight
1978-9-5
3205
Contra Costa
Browns Island
Comment
UC50726
Phalaris californica
Jos. Burtt Davy
Apr 1897
Contra Costa
Point Isabel
Comment
RSA0029052
Phalaris coerulescens
Barbara Ertter
1999-6-12
16713
Contra Costa
Black Hawk Ridge road on south side of Mount Diablo, just south of confluence of NE and E forks of Sycamore.
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
UC50714
Phalaris minor
J. Burtt Davy
1898-4-7
4258
Contra Costa
Danville; Region of Mount Diablo, Danville
Comment
UCD146727
Phalaris paradoxa
G. F. Hrusa; D. Crowe
1998-5-8
14401
Contra Costa
Sacramento-San Joaquin River Delta. East end of Dow Chemical property.
15
Comment
JEPS112007
Phlox gracilis
D. G. Kelch
2005-3-25
05 .88
Contra Costa
Fernandez Ranch Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak.
115
Comment
UC963765
Phlox gracilis
Herbert L. Mason
1926-3-7
2703
Contra Costa
via Walnut Creek to summit to Danville to Niles Canyon; Mt. Diablo
Comment
UC2028439
Phoenix
Barbara Ertter with Chris Thayer
1996-10-25
15357
Contra Costa
Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park
Comment
UC1619911
Phoenix canariensis
Barbara Ertter, Brad Olson
1993-10-30
12292
Contra Costa
w of railroad tracks n of mouth of Pinole Creek (San Pablo Regional Shoreline); San Pablo Regional Shoreline
Comment
UC691715
Pholistoma auritum
Mary L. Bowerman
1931-4-18
722
Contra Costa
Sycamore Canyon Mt. Diablo, Sycamore Canyon
350
Comment
JEPS107085
Phoradendron macrophyllum
Barbara Ertter, Brad Olson, Diane Lake, Seth Adams, et al.
1994-9-11
13085
Contra Costa
Chaparral Springs addition to Mt. Diablo State Park, north side of Marsh Creek Road at high point southeast of Clayton.
Comment
UC1795770
Phoradendron macrophyllum
Barbara Ertter, Brad Olson, Diane Lake, Seth Adams, et al.
1994-9-11
13085
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
JEPS111927
Phoradendron serotinum subsp. tomentosum
Dean G. Kelch and Andrew G. Murdock
DGK 05 .035
Contra Costa
Martinez - Franklin Hills. Carq. Shoreline EBRP. Contra Costa County CA. West of Martinez High School.
Comment
UC692039
Phoradendron villosum
Mary L. Bowerman
1932-1-23
1077
Contra Costa
knoll w. of the knoll between Sycamore Ridge and 1920 point Mt. Diablo
Comment
UC1051055
Phygelius capensis
N. Floy Bracelin
1942-12-6
2333
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
CDA2311
Phyllostachys aurea
Barbara Ertter
2001-5-26
17652
Contra Costa
Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch.
0
Comment
UC1129855
Pickeringia montana var. montana
R. W. Lundh
1932-8-20
135
Contra Costa
2 mi s Mt. Diablo (Rock City); Mount Diablo Quadrangle
502
Comment
UC692283
Pickeringia montana var. montana
Mary L. Bowerman
1933-2-4
1690
Contra Costa
flat e Mt. Diablo-North Peak divide; Mount Diablo
822
Comment
CDA15276
Picris echioides
G. F. Hrusa, D. Crowe, R. York
1998-7-17
14713
Contra Costa
Sacramento Delta; E end of Dow Chemical property. Pittsburg.
Comment
UC692104
Pinus attenuata
Mary L. Bowerman
1933-5-11
2080
Contra Costa
Inner Black Hills , Mount Diablo (w end of chaparral n of crest)
Comment
POM287316
Pinus coulteri
Lyman Benson
1935-3-16
6280
Contra Costa
Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek.
244
Comment
UC40359
Pinus coulteri
J. G. Lemmon
Contra Costa
Mitchell Canyon Mt. Diablo
Comment
UC1061678
Pinus muricata
N. Floy Bracelin
1941-10-19
1713
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC521715
Pinus sabiniana
Joseph Andorfer Ewan
1933-10-15
8039
Contra Costa
on grassy open sw slope of Mt. Diablo Mt. Diablo
1066
Comment
CAS-BOT-BC137271
Piperia elegans
John Thomas Howell
1925-9-12
1436
Contra Costa
Field redacted by CAS, contact the data manager for more information
Comment
UC2028984
Piperia michaelii
Barbara Ertter
2000-5-14
17011
Contra Costa
Donner Canyon on north side of Mount Diablo, SW end of Falls Trail between Middle Trail and Donner Creek crossing.
Comment
UC1614071
Plagiobothrys
Charles M. Belshaw
1935-6-24
780
Contra Costa
1/2 mi e of Grizzly Peak (n face of Bald Peak); Bald Peak
Comment
JEPS60914
Plagiobothrys acanthocarpus
Edw. L. Greene
1889-3-24
Contra Costa
near Byron
Comment
JEPS60917
Plagiobothrys acanthocarpus
Mary L. Bowerman
1933-3-25
1761
Contra Costa
Diablo Stock Farm (Stone Valley) Canyon Mount Diablo (w fork)
Comment
RSA565113
Plagiobothrys acanthocarpus
Wm. Taylor
1992-4-16
12390
Contra Costa
S of Bryan Hot Springs, in swale draining on E margin of [the township and range]
46
Comment
JEPS111830
Plagiobothrys bracteatus
D. G. Kelch
2005-4-15
05 .136
Contra Costa
Rodeo Creek 100 ms west of previous site along dirt in road in puddles
100
Comment
SBBG28847
Plagiobothrys bracteatus
J. T. Howell
1933-5-14
11232
Contra Costa
St Mary's College
Comment
UC517459
Plagiobothrys bracteatus
John Thomas Howell
1933-5-14
11232
Contra Costa
St. Mary's College
Comment
UC54745
Plagiobothrys bracteatus
Jos. Burtt Davy
1900-3-24
6533
Contra Costa
Stege
Comment
POM226098
Plagiobothrys bracteatus
J. T. Howell
1933-5-14
11232
Contra Costa
St. Mary s College
Comment
UC78037
Plagiobothrys canescens
T. S. Brandegee
May 1890
Contra Costa
Antioch
Comment
POM204086
Plagiobothrys canescens
L. S. Rose
1933-3-29
33046
Contra Costa
Pittsburg
Comment
SEINET12275845
Plagiobothrys canescens
L. S. Rose
1933-1
33046
Contra Costa
Pittsburg
Comment
UC575686
Plagiobothrys fulvus
Alice Eastwood and John Thomas Howell
1935-4-7
2120
Contra Costa
sandy hills on Marsh Creek Road near Byron
Comment
JEPS61038
Plagiobothrys humistratus
E. L. Greene
1889-3-23
Contra Costa
Byron
Comment
CHSC106838
Plagiobothrys leptocladus
Barbara Ertter; Jim Jokerst, Dave Magney
1989-4-5
8129
Contra Costa
SE part of county. Ca 15 air miles SW of Stockton, alkali sink W and adjacent to Clifton Court Forebay.
Comment
JEPS68111
Plagiobothrys nothofulvus
Mrs. E. L. Mossman
1931-4-21
139
Contra Costa
vicinity Grizzly Peak; Berkeley Hills
472
Comment
UC1073381
Plagiobothrys nothofulvus
George B. Rossbach
1955-3-20
465
Contra Costa
sw base Mt. Diablo
Comment
UC691397
Plagiobothrys nothofulvus
Mary L. Bowerman
1935-4-12
2820
Contra Costa
west (= North Rd.) Road 2 mi from entrance Mount Diablo
259
Comment
POM368871
Plagiobothrys nothofulvus
H. de Forest
1930-3-28
s.n.
Contra Costa
Contra Costa County
Comment
POM64765
Plagiobothrys stipitatus
C. F. Baker
1903-4-27
2799
Contra Costa
Byron.
Comment
SD4240
Plagiobothrys tenellus
T. S. Brandegee
May 1888
Contra Costa
Antioch
Comment
UC1178520
Plagiobothrys tenellus
Ethel Crum
1936-4-5
1742
Contra Costa
two mi w Byron; South Coast Ranges
45
Comment
RSA0029671
Plagiobothrys trachycarpus
Barbara Ertter, R. 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
RSA128482
Plagiobothrys trachycarpus
Robert F. Hoover
1941-4-12
4840
Contra Costa
1 mile N of Lone Tree Valley.
Comment
JEPS116832
Plagiobothrys undulatus
David Gowen
2007-5-8
707
Contra Costa
Briones Regional Park, in vernal depression northeast of Sindicich Lagoon.
Comment
UCR263544
Plantago coronopus
Barbara Ertter
1990-10-24
9684
Contra Costa
San Francisco Bay Region, Martinez Regional Shoreline on Carquinez Strait
2
Comment
RSA0026162
Plantago coronopus
Barbara J. Ertter
1990-10-24
9684
Contra Costa
Martinez Regional Shoreline on Carquinez Strait. Near arch bridge.
Comment
UC2028080
Plantago coronopus
Barbara Ertter, Tony Morosco
1998-4-12
15990
Contra Costa
Base of Mount Olympia on north side of Mount Diablo, open flat below quarry NE of Olympia Trail.
Comment
CHSC68020
Plantago elongata
James D. Jokerst
1989-3-28
3063
Contra Costa
NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore.
Comment
JEPS7118
Plantago elongata
W. L. Jepson
May 23 1891-May 24 1891
Contra Costa
Mt. Diablo
Comment
UC1314969
Plantago elongata
R. F. Hoover
1967-4-28
10516
Contra Costa
Byron Hot Springs
Comment
UC1745802
Plantago elongata
Annetta M. Carter
1933-4-9
291
Contra Costa
About 2 mi. SW of Nortonville.
Comment
UC28002
Plantago elongata
J. Burtt Davy
1900-3-24
6522
Contra Costa
near Stege
Comment
JEPS111997
Plantago erecta
D. G. Kelch
2003-3-21
03 .74
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive
40
Comment
JEPS87216
Plantago major
Lauramay T. Dempster
1991-6-15
Contra Costa
Orinda; 15 El Toyonal
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
JEPS40297
Platanus racemosa
F. W. Bancroft
Oct. 1894
Contra Costa
Walnut Creek
Comment
CAS-BOT-BC6458
Platystemon californicus
Mary Katherine (Mrs.) Brandegee
1889-4-1
s.n.
Contra Costa
Antioch
Comment
JEPS111988
Platystemon californicus
D. G. Kelch
2004-3-12
04 .34
Contra Costa
Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road
220
Comment
CAS-BOT-BC91606
Platystemon californicus
Alice Eastwood
1906-5-1
s.n.
Contra Costa
Berkeley.
Comment
UC50152
Platystemon californicus
W. H. Brewer
1862-5-15
1095
Contra Costa
Kirker's Pass Diablo Mountain (Diablo Mountain); , Kirker's Pass
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
JEPS12782
Plectritis macrocera
Rimo Bacigalupi with G. T. Robbins
1955-5-4
4975
Contra Costa
s of and above Nortonville ((site))
304
Comment
JEPS5120
Plectritis macrocera
Mary L. Bowerman
1931-3-29
621
Contra Costa
Mount Diablo, East Cave Point Ridge East Cave Point Ridge; Mount Diablo, East Cave Point Ridge
Comment
UC691524
Plectritis macrocera
Mary L. Bowerman
1931-4-25
784
Contra Costa
summit of Mount Diablo Mount Diablo
Comment
POM59719
Plectritis macrocera
C. F. Baker
1903-4-28
2813
Contra Costa
Mitchell's Canyon, Mt. Diablo.
Comment
UC1112203
Pleuropogon californicus
Peter H. Raven with G. Thomas Robbins
1956-4-28
9042
Contra Costa
just e of to Martinez (along State Hwy 4)
Comment
OBI22108
Pleuropogon californicus
Peter H. Raven, G. Thomas Robbins
1956-4-28
9042
Contra Costa
Just E of jctn to Martinez along State hwy 4
Comment
CAS-BOT-BC260947
Pleuropogon californicus var. californicus
Peter Kamb; Francia Chisaki; Galen Smith
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
JEPS111673
Pluchea odorata var. odorata
D. G. Kelch
2003-8-13
03 .96
Contra Costa
Martinez Marsh
0
Comment
JEPS111733
Pluchea odorata var. odorata
D. G. Kelch
2004-9-2
04 .334
Contra Costa
Pacheco Marsh east of Martinez and I-680 and east of lone tree Marsh
5
Comment
JEPS78623
Pluchea odorata var. odorata
Walter Knight, L. R. Heckard and Bert Johnson
1978-9-28
3284
Contra Costa
Browns Island, Botany Cove
Comment
UC1618403
Pluchea odorata var. odorata
Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson
1991-10-20
10869
Contra Costa
just w. Antioch marina (along levee at water's edge, accessed from marina, Dow Wetlands Preserve); Dow Wetlands Preserve
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
UC2027749
Poa annua
Barbara Ertter
1996-11-24
15424
Contra Costa
West side of Mount Diablo, Pine Pond along Stage Road in Pine Canyon.
Comment
JEPS87903
Poa bulbosa
Barbara Ertter, Lynne Hosley
1993-4-17
11507
Contra Costa
ca. 10 air mi. n. Livermore (hills in lee of Mt. Diablo, e. side open meadow along Blue Oak trail, Morgan Territory); Morgan Territory
609
Comment
UC692329
Poa howellii
Mary L. Bowerman
1933-5-22
2167
Contra Costa
w of 1970 Inner Black Hills; Mt Diablo, Inner Black Hills
Comment
POM300627
Poa howellii
Mary L. Bowerman
1933-4-22
1897
Contra Costa
Inner Black Hills just west of Cave Point
Comment
CAS-BOT-BC255790
Poa infirma
Alice Eastwood
1921-4-18
10265
Contra Costa
Antioch
Comment
POM300628
Poa secunda
Mary L. Bowerman
1933-5-3
1985
Contra Costa
Alder Canyon
732
Comment
CAS-BOT-BC236390
Poa secunda subsp. secunda
Mary L. Bowerman
1935-5-3
2960
Contra Costa
Mount Diablo. Sloan Road
487
Comment
CAS-BOT-BC236392
Poa secunda subsp. secunda
L. R. Abrams
1921-5-25
8031
Contra Costa
Mount Diablo, summit
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
UC692416
Poa secunda subsp. secunda
Mary L. Bowerman
1933-4-15
1869
Contra Costa
canyon s of Arroyo del Cerro (rocky knoll 250 ft below spring); Mt Diablo
Comment
UC768489
Poa secunda subsp. secunda
R. F. Hoover
1941-4-11
4834
Contra Costa
Marsh Creek Canyon
Comment
SEINET5548629
Poaceae
J. Hamai
1985-1
s.n.
Contra Costa
Russell Reserve
Comment
SEINET883323
Poaceae
F. W. Gould
1941-1
1304
Contra Costa
near San Francisco Bay at Albany.
Comment
HSC14299
Pogogyne douglasii
Leo Koch
1940-6-5
1002
Contra Costa
Saline flat 2 mi. S of San Rafael ferry dock
Comment
POM126756
Pogogyne douglasii
V. King Chesnut
1887-9-10
s.n.
Contra Costa
Mt. Diablo
Comment
CHSC67525
Pogogyne zizyphoroides
Lori May
1990-6-6
Contra Costa
E of Bixley Rd., ca. 0.5 mi N of Hwy. 4.
Comment
UC883703
Pogogyne zizyphoroides
Lewis S. Rose
1937-4-21
37226
Contra Costa
Byron
15
Comment
UC1192326
Polygonum amphibium
Malcolm A. Nobs and S. Galen Smith
1949-7-7
938
Contra Costa
Webb Island Sacramento Delta peat lands
Comment
UC692129
Polygonum amphibium
Mary L. Bowerman
1935-7-22
3182
Contra Costa
Chase Pond Mount Diablo (in water 4 feet from shore)
548
Comment
UC692146
Polygonum amphibium
Mary L. Bowerman
1935-9-13
3338
Contra Costa
Hidden Pond Mount Diablo
Comment
JEPS76288
Polygonum amphibium var. emersum
W. L. Jepson
1944-7-23
27538
Contra Costa
w side of valley near Moraga Pass; Moraga Valley
Comment
RSA721737
Polygonum amphibium var. emersum
Barbara J. Ertter, K. Ertter
1995-7-11
14482
Contra Costa
W side of Mt. Diablo SW of Walnut Creek, dense growth at lower end of Pine Pond.
183
Comment
UC1784203
Polygonum persicaria
Ethel Crum
1930-9-29
862
Contra Costa
Marsh Creek Road to Holt
Comment
JEPS95765
Polygonum ramosissimum
Dianne Lake
1999-10-5
Contra Costa
NW end of wetland at NE corner of Plymouth and Hillcrest, 1 block N of E 18th St. Antioch
3
Comment
UC1478302
Polypodium
Alan R. Smith with Tom Lemieux
1981-11-19
827
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
UC42882
Polypodium
E. L. Greene
1892-3-20
Contra Costa
Red Rock; Bay of San Francisco
Comment
JEPS112032
Polypodium calirhiza
D. G. Kelch
2004-3-5
04 .4
Contra Costa
Martinez - Rankin Open Space Rankin Park, Martinez
68
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
UC1541044
Polypodium calirhiza
Dick Moe
1985-2-24
Contra Costa
Red Rock Isl.; San Francisco Bay
Comment
UC2032825
Polypodium calirhiza
Doran, Andrew Scott
2012-3-20
695
Contra Costa
North end of Brooks Island along ridge overlooking artificial spit, southwest of caretakers residence.
Comment
UC692122
Polypodium calirhiza
Mary L. Bowerman
1933-12-2
2478
Contra Costa
rocks by Alder Canyon Alder Canyon; Mt. Diablo
533
Comment
UC805287
Polypodium calirhiza
W. H. Wagner Jr.
1950-6-4
Contra Costa
along rd. above San Pablo Reservoir (near Inspiration Point)
Comment
CAS-BOT-BC422367
Polypogon
Peter Rubtzoff
1968-9-19
5967
Contra Costa
Russellman Park Road, 0.7 miles south of Marsh Creek Road.
Comment
CDA9488
Polypogon monspeliensis
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .213
Contra Costa
Byron Airport.
Comment
JEPS45888
Polypogon monspeliensis
Virginia Bufford
1932-4-18
578
Contra Costa
Wildcat Canyon
Comment
POM264543
Polypogon monspeliensis
A. A. Beetle
1941-6-24
1750
Contra Costa
Point Richmond on San Francisco Bay.
Comment
UC691205
Polypogon monspeliensis
Mary L. Bowerman
1933-6-21
2338
Contra Costa
Donner Canyon Mount Diablo; , Donner Canyon
335
Comment
SEINET10960581
Polypogon monspeliensis
Thomas Morley
1940-11-21
Morley 85
Contra Costa
Associated with Salix, typha, and Cyperus in fine, rich moist soil; banks at upper end of San Leandro Lake near mouth of Redwood Creek
130
Comment
CAS-BOT-BC237471
Polypogon viridis
Mary L. Bowerman
1936-8-17
3527
Contra Costa
Mount Diablo. Sulphur Spring in Pine Canyon
137
Comment
UC1063673
Polystichum munitum
R. W. Lundh
1933-3-6
211
Contra Costa
1/2 mi w Eastport; Concord Quadrangle
Comment
RSA760663
Polystichum munitum
William J. Ferlatte, L. Maynard Moe
1970-4-27
1244
Contra Costa
San Francisco Bay, Red Rock Island.
Comment
JEPS112250
Populus fremontii
D. G. Kelch
2004-4-26
04 .129-B
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive
Comment
JEPS112254
Populus fremontii subsp. fremontii
D. G. Kelch
2005-5-13
05 .236
Contra Costa
Martinez South of oil refinery along Railroad tracks
Comment
UC403974
Populus fremontii subsp. fremontii
W. L. Jepson
1907-4
Contra Costa
near Walnut Creek (San Ramon Valley); San Ramon Valley
Comment
UC4923
Populus fremontii subsp. fremontii
W. C. Blasdale
1901-9-28
Contra Costa
San Pablo; at the old Castro house, along the creek
Comment
RSA755535
Potamogeton diversifolius
Barbara Ertter, Brad Olson
1991-9-28
10839
Contra Costa
San Pablo Reservoir between Orinda and El Sobrante
91
Comment
UC2028534
Potamogeton foliosus
Barbara Ertter
2000-9-30
17531
Contra Costa
West side Mount Diablo, pond on China Wall Road ca 1/2 mile NW of Macedo Ranch staging area.
Comment
JEPS111056
Potamogeton foliosus var. foliosus
Barbara Ertter
2005-8-17
18617
Contra Costa
N base of Mount Diablo S of Clayton, small permanent pond NE of Mitchell Canyon parking lot
Comment
JEPS78627
Potamogeton pectinatus
Walter Knight, L. R. Heckard and Bert Johnson
1978-9-28
3294
Contra Costa
mouth of Crooked Slough; Browns Island, East Bay Regional Park District
Comment
JEPS78628
Potamogeton pectinatus
Walter Knight, L. R. Heckard and Bert Johnson
1978-9-28
3295
Contra Costa
mouth of Crooked Slough; Browns Island, East Bay Regional Park District
Comment
UC72980
Potentilla anserina subsp. pacifica
Chesnut and Drew
1889-4-15
Contra Costa
Martinez
Comment
JEPS84884
Proboscidea lutea
G. Thomas Robbins
1959-8-1
4114
Contra Costa
roadside berm of frontage road just s Mt. Diablo Blvd. ((about 0.5 mi e of concrete bridge at Charles Hill and about 0.2 mi w of jct. of Hidden Valley Rd.), 2 mi w of Lafayette)
144
Comment
CDA26219
Prunus virginiana subsp. demissa
A. G. Murdock, D. G. Kelch
2004-5-28
268
Contra Costa
Carquinez Strait Region; Pinole Peak.
Comment
JEPS75547
Pseudognaphalium californicum
P. F. Yorks
1975-7-5
467
Contra Costa
ca 1.5 mi s Bear Creek Road (on Hampton Road in Hampton Road Natural Reserve, n of Briones Reservoir)
180
Comment
JEPS99520
Pseudognaphalium luteoalbum
Mary L. Bowerman
1978-6-24
Contra Costa
Mount Diablo, Mitchell Creek, below reservoir.
190
Comment
JEPS75548
Pseudognaphalium ramosissimum
P. F. Yorks
1975-8-29
491
Contra Costa
on Hampton Road ca 1.6 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Preserve
180
Comment
UC1618173
Pseudognaphalium ramosissimum
Barbara Ertter, CNPS
1990-8-19
9621
Contra Costa
along Bear Creek Trail n Orinda (e side of s end of reservoir, on EBMUD land, near Briones Overlook); Briones Reservoir
213
Comment
CAS-BOT-BC357444
Pseudognaphalium ramosissimum
John Thomas Howell
1925-11-7
1558
Contra Costa
San Leandro Canyon, Oakland Hills
Comment
UC691826
Pseudognaphalium stramineum
Mary L. Bowerman
1938-9-17
3717
Contra Costa
Johnny Walker Spring Mount Diablo, Johnny Walker Spring
731
Comment
UC1948940
Pseudognaphalium thermale
William J. Ferlatte, L. Maynard Moe
1970-4-27
1257
Contra Costa
San Francisco Bay: Red Rock Island
Comment
SEINET3875499
Pseudotsuga menziesii
James K. Detling
1963-3-21
40
Contra Costa
Near Glorietta School, Orinda.; 0
30
Comment
UC177451
Psilocarphus brevissimus var. brevissimus
Brandegee
May 1886
Contra Costa
Antioch
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
JEPS12780
Psilocarphus tenellus
Rimo Bacigalupi
1955-5-4
4970
Contra Costa
just se of old tunnel of the Tunnel Road; summit Oakland Hills
426
Comment
POM138613
Ptelea baldwinii subsp. crenulata
C. F. Baker
1903-4-28
2943
Contra Costa
Mitchell's Canyon, Mt. Diablo.
Comment
RSA448385
Ptelea baldwinii subsp. crenulata
John Doyen, Glenn Gorelick
1966-4-22
s.n.
Contra Costa
Russelman Park. Mt. Diablo State Park.
Comment
CAS-BOT-BC148622
Ptelea crenulata
A. D. E. Elmer
1903-5-1
4327
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC148625
Ptelea crenulata
Mary L. Bowerman
1930-6-22
357
Contra Costa
Mitchell Canyon, Mount Diablo
Comment
CAS-BOT-BC148634
Ptelea crenulata
Rimo Bacigalupi
1926-4-30
1354
Contra Costa
Near summit of Mt. Diablo
Comment
CAS-BOT-BC148636
Ptelea crenulata
W. W. Carruth
1903-5-10
s.n.
Contra Costa
Mitchell Canyon, Mt. Diablo
Comment
CAS-BOT-BC148643
Ptelea crenulata
V. Rattan
1887-5-22
s.n.
Contra Costa
Alhambra Val.
Comment
CAS-BOT-BC148644
Ptelea crenulata
V. Rattan
1887-5-22
s.n.
Contra Costa
Alhambra Valley
Comment
HSC93960
Ptelea crenulata
C. Newberry
1994-4-30
7253
Contra Costa
Mt. Diablo State Park, trail from Mitchell Canyon Parking to Donner Creek
900
Comment
SJSU5754
Ptelea crenulata
C. O. Dudley
1966-5-1
103
Contra Costa
Reliez Valley, Briones Hills, N of Lafayette
152
Comment
UC17374
Ptelea crenulata
Prof. W. L. Jepson
1898-10-18
Contra Costa
Mt. Diablo
Comment
UC17381
Ptelea crenulata
W. H. Brewer
1862-5-27
1175
Contra Costa
s slope Mount Diablo
Comment
UC579884
Ptelea crenulata
Annetta Carter
1935-6-1
868
Contra Costa
ridge on w side of peak Mount Diablo
1036
Comment
UC692575
Ptelea crenulata
Mary L. Bowerman
1930-6-22
357
Contra Costa
Mitchell Canyon; Mount Diablo
Comment
CAS-BOT-BC148620
Ptelea crenulata
Ethel Wickes
1917-6-1
s.n.
Contra Costa
Unspecified
Comment
CAS-BOT-BC148633
Ptelea crenulata
H. M. Hall
1910-8-17
10277
Contra Costa
Upper Horse Valley (6 mi. s. of Antioch)
213
Comment
CAS-BOT-BC148646
Ptelea crenulata
Volney Rattan; Dr. Mary Curran
188
s.n.
Contra Costa
Unspecified
Comment
UC2028220
Ptelea crenulata
Barbara Ertter with Christopher Baysdorfer
1998-5-10
16126
Contra Costa
West side Lime Ridge Open Space northwest of Mount Diablo.
Comment
UC2062673
Ptelea crenulata
Barbara Ertter
2005-11-6
18655
Contra Costa
Mount Diablo State Park, road between Deer Flat and Deer Flat Creek crossing.
Comment
UC6916
Pterostegia drymarioides
W. L. Jepson
1891-5-23
Contra Costa
Mt. Diablo
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
UC5818
Quercus
H. P. Chandler
1900-3-24
Contra Costa
Orinda Prak Mount Diablo
Comment
UC691281
Quercus X eplingii
Mary L. Bowerman
1935-11-30
3351
Contra Costa
sw of Gibraltar Rock; Mount Diablo, Fossil Ridge
Comment
UC691313
Quercus X morehus
Mary L. Bowerman
1931-3-22
609
Contra Costa
between Oyster Point and Cave Point; Mount Diablo
Comment
CAS-BOT-BC104167
Quercus X morehus
Mary L. Bowerman
1935-10-26
3349
Contra Costa
Mount Diablo. 0.1 mile by road above Silver Spring, 50 feet from road
859
Comment
CDA35928
Quercus X morehus
T. Young
2002-9-2
s.n.
Contra Costa
San Francisco Bay Area; Northern Orinda.
0
Comment
UC691317
Quercus X morehus
Mary L. Bowerman
1933-6-14
2278
Contra Costa
Inner Black Hills, w of 1970 Mount Diablo
Comment
CAS-BOT-BC45656
Quercus agrifolia
John Thomas Howell
1950-7-5
26638
Contra Costa
Nortonville
Comment
CDA33977
Quercus agrifolia
D. G. Kelch
2011-3-31
11 .082-B
Contra Costa
Carquinez Strait region.; Pinole.
Comment
CDA20380
Quercus agrifolia var. agrifolia
P. Akers
2002-5-11
s.n.- 2
Contra Costa
Northern California; Mt Diablo Summit Trail at water tank picnic area.
873
Comment
RSA0041717
Quercus berberidifolia
Mary L. Bowerman
1930-10-19
490
Contra Costa
South road at Garden-of-the-Gods (Fossil Ridge).
Comment
CAS-BOT-BC62695
Quercus chrysolepis
Paul F. Covel
1940-5-12
1744
Contra Costa
Mt. Diablo (at Rock City)
487
Comment
UC5526
Quercus chrysolepis
Frank W. Bancroft
1894-7-10
Contra Costa
Top of Mt. Diablo Mt. Diablo
Comment
JEPS37390
Quercus douglasii
W. L. Jepson
1898-10-18
Contra Costa
Deer Flat Mt. Diablo
Comment
RSA476581
Quercus douglasii
H. de Forest
1930-4-13
s.n.
Contra Costa
Road through N end Diablo Range.
915
Comment
CAS-BOT-BC86120
Quercus dumosa
Mary L. Bowerman
1933-4-15
1878
Contra Costa
Mount Diablo. Canyon S of Arroyo del Cerro: Canyon side
Comment
CAS-BOT-BC86123
Quercus dumosa
Mary L. Bowerman
1932-9-17
1584
Contra Costa
Mount Diablo. Donner Canyon, west fork: Bank between forks
304
Comment
UC5581
Quercus durata
F. W. Bancroft
1894-7-10
Contra Costa
half-way up Mt. Diablo
Comment
UC1543002
Quercus kelloggii
Donald G. Nelson
1938-11-6
590
Contra Costa
midway between Lafayette and Moraga Estates (along main highway)
Comment
UC639150
Quercus kelloggii
Annetta Carter
1939-11-18
Contra Costa
between Orinda andf Moraga
Comment
UCSC008851
Quercus kelloggii
Al Keuter
2014-5-23
AK 00 -094
Contra Costa
Along Wildcat Canyon Road on the northeast side of the first range of hills behind Berkeley.
166
Comment
CAS-BOT-BC105104
Quercus kelloggii
Mary L. Bowerman
1936-8-19
3531
Contra Costa
Mount Diablo. Pine Canyon mouth, most northerly W-heading streamlet shown on topographic map (now dry): Hillside with W
167
Comment
JEPS37352
Quercus lobata
W. L. Jepson
1916-10-22
6852
Contra Costa
Las Trampas Ridge
Comment
UC691280
Quercus lobata
Mary L. Bowerman
1930-11-25
498
Contra Costa
s of South Gate; Mount Diablo
Comment
UCD46831
Quercus lobata
John M. Tucker
1941-8-28
384
Contra Costa
Beside road up Curry Canyon, 3 miles south of junction with the road from Clayton to Byron, Contra Costa County, California.
Comment
CAS-BOT-BC104710
Quercus wislizeni
Mary L. Bowerman
1930-7-7
287
Contra Costa
Mount Diablo. Summit
Comment
CAS-BOT-BC104715
Quercus wislizeni
H. E. McMinn
s.n.
Contra Costa
near summit of Mt. Diablo
Comment
CDA31191
Quercus wislizeni
D. G. Kelch, Troy McGregor; Ed Biffin
2010-6-1
10 .228
Contra Costa
Mt. Diablo. Knobcone Point Rd.
Comment
JEPS37967
Quercus wislizeni
W. L. Jepson
1907-4-26
2647
Contra Costa
Mt. Diablo
Comment
UC1135847
Quercus wislizeni
R. W. Lundh
1932-8-17
133
Contra Costa
1 mi e Round Valley; Mt. Diablo Quad.
518
Comment
UC1543000
Quercus wislizeni
Donald G. Nelson
1938-11-6
586
Contra Costa
about 1 mi beyond Marsh Creek Springs (road cut in Marsh Creek Highway, ne of Mt. Diablo)
Comment
UC5689
Quercus wislizeni
unknown
78
Contra Costa
Summit Mt. Diablo
Comment
UCD47516
Quercus wislizeni
R. W. Lundh
1932-8-17
129
Contra Costa
1 mile E. of Round Valley. Quadrangle: Mt. Diablo (Contra Costa), Sec. 9, T. 1S, R 2E.
304
Comment
CAS-BOT-BC104712
Quercus wislizeni
Alice Eastwood
1921-8-6
11043
Contra Costa
Mt. Hamilton
Comment
SEINET13954084
Quercus wislizeni
Peter H. Raven
1950-1
1355
Contra Costa
Muraga Ridge
305
Comment
CAS-BOT-BC362443
Rafinesquia californica
Alice Eastwood
1915-5-30
4469
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC362444
Rafinesquia californica
Alice Eastwood
1923-5-4
11720
Contra Costa
Mt. Diablo
Comment
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
UC691951
Ranunculus aquatilis
Mary L. Bowerman
1935-6-21
3155
Contra Costa
s Turtle Rock (winter pool e of main pond); Mount Diablo
Comment
UCR263547
Ranunculus aquatilis var. capillaceus
Barbara Ertter, Tony Morosco
1998-7-11
16365
Contra Costa
San Francisco Bay Region, North base of Mount Diablo, small pond on north side of Bruce Lee Road east of Mitchell Canyon staging area
183
Comment
UC70183
Ranunculus californicus
J. Burtt Davy
May 1898
Contra Costa
Danville Region of Mount Diablo
Comment
POM194560
Ranunculus californicus
Eugene Memmler
1929-4-21
2377
Contra Costa
Moraga Valley
Comment
POM268436
Ranunculus californicus
Mary L. Bowerman
1932-3-23
1127
Contra Costa
E of Donner Creek
244
Comment
POM149874
Ranunculus canus
Jos. Burtt Davy
1898-05
s.n.
Contra Costa
San Ramon, Mt Diablo
Comment Read comments Jan 23 2011
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
UC692190
Ranunculus canus var. canus
Mary L. Bowerman
1932-3-23
1127
Contra Costa
East of Donner Creek; Mount Diablo
Comment
UC692125
Ranunculus hebecarpus
Mary L. Bowerman
1932-3-23
1130
Contra Costa
ridge e Donner Canyon (at saddle); Mount Diablo
274
Comment
UC854399
Ranunculus hebecarpus
Lewis S. Rose
1940-4-11
40180
Contra Costa
6 mi se Clayton; Marsh Creek
60
Comment
UC9445
Ranunculus hebecarpus
Geol. Survey
1862-1
1049
Contra Costa
Mt. Diablo; foothills
Comment
UC2029153
Ranunculus lobbii
Barbara Ertter with Mary Bowerman
1995-5-7
14035
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton.
Comment
JEPS112057
Ranunculus muricatus
D. G. Kelch
2004-4-24
04 .96
Contra Costa
Ca ada del Cierbo Upper Ca ada de Cierbo on fire road to cow barn along Cummings Skyway
70
Comment
UC9383
Ranunculus orthorhynchus var. bloomeri
J. Burtt Davy
1897-4-17
Contra Costa
Point Isabel
Comment
JEPS116905
Ranunculus sceleratus
David Gowen
2008-9-4
970
Contra Costa
Lime Ridge Open Space.
Comment
CHSC116607
Raphanus raphanistrum
Lowell Ahart; Josephine Guardino
2016-4-19
20772
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. 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
SEINET11268201
Raphanus sativus
Barbara Ertter
1998-6-12
16160
Contra Costa
North Gate Road on west flank of Mount Diablo, dogleg in road above raches opposite Angel Kerley trail head.; 0
579
Comment
UC2062667
Rhamnus alaternus
Barbara Ertter with David Gowen
2006-4-14
18667
Contra Costa
Lime Ridge Open Space (City of Concord) at NW foot of Mount Diablo, SE side of Ygnacio Valley Road.
Comment
JEPS42029
Rhamnus californica subsp. californica
W. L. Jepson
1924-6-25
10600
Contra Costa
Moraga Ridge
Comment
JEPS112065
Rhamnus crocea
A. G. Murdock
2004-5-28
290
Contra Costa
Pinole Peak
405
Comment
JEPS98405
Rhaponticum repens
Bob Case
2001-10-2
Contra Costa
East Bay Municipal Utilities District right-of-way on West Hookston Road Pleasant Hill, SE
Comment
CAS-BOT-BC200697
Rhus aromatica
Mary L. Bowerman
1935-5-30
3092
Contra Costa
Eagle Point ridge
350
Comment
UC692579
Rhus trilobata
Mary L. Bowerman
1931-4-5
678
Contra Costa
below Gregory Ranch (between rocky point below house and shelf below it on w side); Mount Diablo
Comment
UC466053
Ribes
Tracy J. Storer
1912-7-13
Contra Costa
Mt. Diablo
914
Comment
JEPS75496
Ribes californicum
P. F. York
1974-2-3
107
Contra Costa
1.4 km. s Bear Creek Road (on Hampton Road, N of Briones Reservoir); Hampton Road Natural Reserve
180
Comment
SBBG28501
Ribes californicum
E. Mulliken
1905-1-28
Contra Costa
Wildcat Cyn, Berkeley Hills
Comment
UC570838
Ribes californicum
Herbert L. Mason
1926-3-7
2709
Contra Costa
Summit Mt. Diablo
Comment
POM92757
Ribes californicum
Earle Mulliken
1905-1-28
161
Contra Costa
Wildcat Canyon, Berkley Hills.
Comment
CAS-BOT-BC92921
Ribes californicum var. californicum
John Thomas Howell
1926-3-7
1669
Contra Costa
Mount Diablo.
Comment
UC69857
Ribes divaricatum var. pubiflorum
H. M. Hall
1900-3-24
Contra Costa
Bear Creek San Francisco Bay Region
Comment
UCSB26263
Ribes divaricatum var. pubiflorum
Ketcham, A.
1968-3-25
Contra Costa
South Park Drive at road to Boy's Camp; Tilden Regional Park
Comment
CAS-BOT-BC168922
Ribes malvaceum
Alice Eastwood; John Thomas Howell
1936-4-19
2140
Contra Costa
Nortonville
Comment
CAS-BOT-BC168925
Ribes malvaceum
John Thomas Howell
1926-3-7
1667
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC168920
Ribes malvaceum
Rimo Bacigalupi
1924-2-17
s.n.
Contra Costa
Lower slopes of Mt. Diablo (Black Hills) along new auto road from Diablo Station, at Garden of the Julgle Gods
457
Comment
CAS-BOT-BC206018
Ribes menziesii
John Thomas Howell
1942-4-26
16951
Contra Costa
Oakland Hills near Redwood Peak
Comment
JEPS22439
Ribes menziesii
Mary L. Bowerman
1930-6-10
314
Contra Costa
summit Mt. Diablo
Comment
UC1127450
Ribes menziesii
R. W. Lundh
1932-9-22
166
Contra Costa
Mount Diablo Mt. Diablo Quadrangle
Comment
UC692559
Ribes menziesii
Mary L. Bowerman
1931-4-25
780
Contra Costa
summit Meridian Peak (n side); Mount Diablo
Comment
CAS-BOT-BC206019
Ribes menziesii
Peter H. Raven
1956-4-8
8985
Contra Costa
About 0.5 mile north-east of Grizzly Peak
396
Comment
LA205508
Ribes sanguineum
Joseph Andorfer Ewan;
1934-3-10
8650
Contra Costa
Wildcat Canyon, 1.5 mi. below Orinda road bridge
Comment
CAS-BOT-BC209361
Ribes sanguineum var. glutinosum
Peter H. Raven
1950-3-5
1399
Contra Costa
Redwood Canyon
152
Comment
JEPS97013
Ribes sanguineum var. glutinosum
R. D. Stone
1981-1-31
264
Contra Costa
Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Rd.)
Comment
CAS-BOT-BC362967
Rigiopappus leptocladus
Alice Eastwood
1915-5-30
4486
Contra Costa
Mt. Diablo
Comment
UC691502
Rigiopappus leptocladus
Mary L. Bowerman
1933-5-10
2064
Contra Costa
ridge below Indian Ceremonial Spring; Mount Diablo
Comment
UC697151
Rigiopappus leptocladus
Mary L. Bowerman
1931-4-4
669
Contra Costa
w Turtle Rock; Mount Diablo
Comment
UC1818896
Rigiopappus leptocladus
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14063
Contra Costa
Three-Springs Trail on NE side of Mt. Diablo SE of Clayton, small serpentine patch at road junction
Comment
UC1727989
Romulea rosea var. australis
Gregg Weber
1998-5-6
Contra Costa
San Pablo Ridge trail
Comment
UC2028188
Rorippa curvisiliqua
Barbara Ertter
1998-5-3
16055
Contra Costa
Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo.
Comment
UC691057
Rorippa nasturtium-aquaticum
Mary L. Bowerman
1930-6-5
244
Contra Costa
West Road 5.8 mi from entrance Mount Diablo (West Road = North Road)
Comment
CAS-BOT-BC147412
Rosa californica
C. Keefer
1922-9-25
s.n.
Contra Costa
[Morago] Moraga Ridge
Comment
CDA23621
Rosa gymnocarpa
D. G. Kelch, D. A. Weinstein
2008-4-15
8 .046
Contra Costa
Carquinez Strait; S Port Costa along Mckewen Rd.
Comment
UC2027979
Rubus discolor
Barbara Ertter, Mary Bowerman
1996-11-1
15393
Contra Costa
North base of Mount Diablo, downstream from Mitchell Canyon parking lot.
Comment
LA208234
Rubus parviflorus
Joseph Andorfer Ewan;
1936-5-3
9499
Contra Costa
Wildcat Creek near Arinda road bridge
Comment
JEPS99966
Rumex acetosella
G. Smick
2003-5-6
GAS 175
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
CAS-BOT-BC421865
Rumex acetosella
Mary L. Bowerman
1935-5-18
3016
Contra Costa
Mount Diablo. Road above Indian Ceremonial Spring: Roadbank at hairpin turn.
Comment
UC2028271
Rumex acetosella
Barbara Ertter
1999-6-12
16706
Contra Costa
Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo.
Comment
UC2029020
Rumex californicus
Barbara Ertter
1999-7-17
16766
Contra Costa
Wildcat Canyon Regional Park in East Bay Hills, Wildcat Creek Trail between Rifle Range Road and boundary with Tilden Regional Park.
Comment
UC692070
Rumex crispus
Mary L. Bowerman
1930-10-4
478
Contra Costa
Maple Spring Mount Diablo
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
JEPS127097
Rumex dentatus
Lowell Ahart, Josephine Guardino
2016-4-19
20783
Contra Costa
1.4 miles (air) northwest of Los Vaqueros Reservoir Marina, 1.9 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
CDA15273
Rumex salicifolius var. crassus
G. F. Hrusa, D. Crowe, R. York
1998-7-17
14710
Contra Costa
Sacramento Delta; E end of Dow Chemical property.
Comment
UC2012982
Rumex salicifolius var. salicifolius
Barbara Ertter with Tony Morosco
1996-7-27
15030
Contra Costa
Mount Diablo State Park, Donner Creek ca halfway between Regency Drive trailhead and old cabin site
Comment
UC1129908
Rupertia physodes
C. M. Belshaw
1936-5-13
2116
Contra Costa
Marsh Ck.-Livermore Road 1/2 mi nw Summit; Mt. Diablo Quadrangle
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
UCD143634
Sagina procumbens
Mack Osborne
1948-6-25
s.n.
Contra Costa
Danville.
Comment
UC194965
Sagittaria latifolia
H. M. Hall
1916-8-16
10273
Contra Costa
Antioch , Antioch (Region of San Francisco Bay)
Comment
SEINET11268191
Salicornia europaea
Barbara Ertter
1990-9-30
9656
Contra Costa
Point Pinole Regional Shoreline, edge of sparina marsh at edge of salicornia marsh on SW corner of park; edge of San Pablo Bay.; 0
Comment
CAS-BOT-BC107875
Salix gooddingii
Ira L. Wiggins
1930-4-18
4591
Contra Costa
Jersey Island
Comment
POM181448
Salix gooddingii
I. L. Wiggins
1930-4-18
4591
Contra Costa
Jersey Island.
Comment
JEPS112249
Salix laevigata
A. G. Murdock
283
Contra Costa
Refugio Valley
120
Comment
POM167721
Salix laevigata
W. C. Blasdale
1896-2-29
s.n.
Contra Costa
Clayton.
Comment
UC521720
Salix laevigata
Joseph Andorfer Ewan
1933-10-15
8034
Contra Costa
Indian Ceremonial Spring Mt. Diablo, Indian Ceremonial Spring
Comment
CAS-BOT-BC125142
Salix lasiandra var. lasiandra
W. W. Mott
1905-3-11
s.n.
Contra Costa
unspecified
Comment
UC1196652
Salix lasiolepis
Joseph P. Tracy
1932-9-10
10786
Contra Costa
Franklin Canyon Northern Coast Ranges (head)
152
Comment
UC692032
Salix lasiolepis
Mary L. Bowerman
1931-3-14
567
Contra Costa
Riggs Canyon Mount Diablo (e side)
Comment
RSA300609
Salix lasiolepis
Mary L. Bowerman
1932-8-27
1519
Contra Costa
Spring S of Turtle Rock. Mt. Diablo.
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-BC129560
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
JEPS87926
Salpichroa origanifolia
Barbara Ertter
1991-5-12
9818
Contra Costa
sw corner El Cerrito (Point Isabel Regional Shoreline, near parking lot); San Francisco Bay, Point Isabel Regional Shoreline
Comment
CDA37041
Salsola australis
P. Akers
2003-10-7
B 107
Contra Costa
San Joaquin Valley; Contra Costa water district, E edge of Discovery Bay on Hwy 4.
7
Comment
RSA739938
Salsola tragus
P. Akers
2003-10-7
B- 107
Contra Costa
Contra Costa water district, E edge of Discovery Bay on Hwy 4.
8
Comment
JEPS108627
Salvia columbariae
R. Raiche
1981-8-3
10068
Contra Costa
S slope of saddle area, Mount Diablo
822
Comment
JEPS120273
Salvia leucophylla
Barbara Ertter with David Gowen
2012-6-9
21026
Contra Costa
southeast of junction of Big Springs Trail and Seaview Trail, southeastern Tilden Park in Berkeley Hills
Comment Read comments Mar 22 2018
UC25730
Salvia mellifera
H. N. Bolander
Apr 1866
6317
Contra Costa
Mount Diablo
Comment
UC635692
Salvia mellifera
A. E. Borell
1928-3-18
28
Contra Costa
w slope Mt. Diablo
Comment
UC691509
Salvia mellifera
Mary L. Bowerman
1930-6-5
240
Contra Costa
2.9 mi from Mount Diablo West road entrance (=North Road); Mount Diablo
274
Comment
UC75018
Salvia mellifera
unknown
1903-4-28
2945
Contra Costa
Mitchell Canyon; Mt. Diablo
Comment
RSA434141
Salvia mellifera
August Hartman
1960-4-19
s.n.
Contra Costa
South Gate Road, Mt. Diablo
305
Comment
SEINET12273224
Salvia mellifera
M. T. Doutt
1930-1
89
Contra Costa
Marsh Creek
Comment
SEINET5570354
Salvia mellifera
H. S. Gentry
1931-1
49
Contra Costa
Collected near Buckle Point Mt. Diablo.
Comment
UC2055610
Salvia spathacea
Mary Bowerman
1972-5-6
s. n.
Contra Costa
Pine Canyon, 1/4 mile up canyon from lowest reservoir.
Comment
UC2027930
Salvia spathacea
Barbara Ertter with Dorothy Frantz
2001-5-10
17641
Contra Costa
Diablo Foothills Regional Park, Pine Canyon a few hundred yards above check dam.
Comment
JEPS12714
Sambucus mexicana
Katharine Brandegee
1907-6-16
Contra Costa
Antioch
Comment
JEPS75505
Sambucus mexicana
P. F. Yorks
1975-5-3
422
Contra Costa
on Hampton Rd. ca 1.7 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve
180
Comment
UC1125344
Sambucus mexicana
R. W. Lundh
1932-9-22
165
Contra Costa
Mount Diablo Mt. Diablo Quadrangle
Comment
UC570378
Sambucus mexicana
Chas. M. Belshaw
1936-2-16
1593
Contra Costa
2 1/2 mi nne Orinda; Sobrante and Briones Hills, Briones Valley
Comment
UC691560
Sambucus mexicana
Mary L. Bowerman
1930-8-31
452 a
Contra Costa
Curry Canyon Mount Diablo (Sloan Road)
Comment
CAS-BOT-BC223246
Sanicula bipinnata
Brandegee
No date on label
s.n.
Contra Costa
Antioch
Comment
UCD127997
Sanicula bipinnata
P. B. Kennedy
1927-4-10
s.n.
Contra Costa
Mount Diablo.
Comment
UCD127998
Sanicula bipinnata
P. B. Kennedy
1925-4-26
s.n.
Contra Costa
Sycamore Canon Road, Mt. Diablo.
Comment
UC2028102
Sanicula bipinnatifida
Barbara Ertter with Tony Morosco
1998-4-12
15981
Contra Costa
Base of Mount Olympia on north side of Mount Diablo.
Comment
RSA0033930
Sanicula crassicaulis
Barbara Ertter, Richard K. Brummitt
1998-5-6
16087
Contra Costa
Lower Donner Canyon Road on north base of Mount Diablo, ca. 1/2 miles south of Donner cabin site.
304
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
JEPS2845
Sanicula saxatilis
Edw. L. Greene
1892-6-1
Contra Costa
Mt. Diablo
Comment
UC73326
Sanicula tuberosa
Chesnut and Drew
1889-4-17
Contra Costa
Clayton
Comment
SEINET238194
Sasa borealis
Beecher Crampton
1966-10-18
7815
Contra Costa
CULTIVATED ; Kensington Berkeley Hills Blake Garden UC Berkeley Dept. of landscape architecture.
Comment
UC570944
Saxifraga californica
Herbert L. Mason
1926-3-7
2702
Contra Costa
Mount Diablo
Comment
UC692474
Saxifraga californica
Mary L. Bowerman
1931-3-7
554
Contra Costa
Mount Diablo, South road below junction Mount Diablo
Comment
SEINET12220596
Saxifraga californica
H. M. Hall
1901-1
1633
Contra Costa
region of San Francisco Bay
Comment
UCSC000344
Saxifraga californica
H. S. Yates
1936-3-14
5357
Contra Costa
Mt. Diablo, Marsh Creek
381
Comment
UC1795652
Scandix pecten-veneris
Barbara Ertter, Mary Bowerman, Lisa Schultheis
1995-3-31
13947
Contra Costa
Mount Diablo State Park, grassy field along road at base of Mitchell 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
CAS-BOT-BC111376
Schoenoplectus acutus var. occidentalis
Virginia I. Dains; Walter Knight
1986-8-8
5479
Contra Costa
Growing in tidal area, Jct Rock S1 & Werner Cut.
Comment
CAS-BOT-BC111484
Schoenoplectus americanus
Barrett Anderson
1987-7-23
3561
Contra Costa
Building site on San Pablo Road at Gerrity Creek, Pinole.
45
Comment
UCD50093
Schoenoplectus americanus
Walter Kinght
1977-6-10
s.n.
Contra Costa
Sand Creek near coal-mining site of Stewartville, Contra Costa Co.
158
Comment
SD134082
Schoenoplectus californicus
Walter Knight, Irja Knight
1977-6-18
Contra Costa
On shore of San Joaquin River, Antioch sand dunes, Little Corral site. Growing in water at high tide.
Comment
RSA0026145
Schoenoplectus pungens var. pungens
Barbara Ertter
1998-6-20
16239
Contra Costa
Shell Ridge Open Space on NW side of Mount Diablo, Alkali Pond at Wiget Lane entrance.
91
Comment
UC1607653
Scirpus americanus
Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss
1991-8-18
10709
Contra Costa
near w end of Browns Island n of Pittsburg (near confluence of Sacramento and San Joaquin Rivers, opposite Pittsburg Marina); Browns Island
Comment
CDA15265
Scirpus californicus
G. F. Hrusa, D. Crowe
1998-5-8
14396
Contra Costa
Sacramento Delta; E end of Dow Chemical property in Pittsburg.
Comment
JEPS111886
Scirpus cernuus
D. G. Kelch
2003-8-13
03 .120
Contra Costa
Martinez Marsh
0
Comment
JEPS111880
Scirpus koilolepis
A. G. Murdock
2004-4-30
252
Contra Costa
McEwen Road West side of road
130
Comment
CDA39150
Scirpus maritimus
D. G. Kelch
2003-8-13
3 .104
Contra Costa
Carquinez Strait Region; Martinez Marsh.
Comment
CDA39151
Scirpus maritimus
A. G. Murdock
2004-5-28
300
Contra Costa
Carquinez Strait; Luzon.
Comment
CDA39144
Scirpus microcarpus
D. G. Kelch
2003-4-13
3 .137
Contra Costa
Carquinez Strait; Pinole Creek.
Comment
UC2070541
Scleranthus annuus
Barbara Ertter with Chris Thayer
2002-4-13
17827
Contra Costa
North side of Mount Diablo.
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
JEPS100143
Scrophularia californica subsp. californica
G. Smick
2003-4-3
GAS 122
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS95254
Scutellaria californica
Steve Edwards
1991-7-15
Contra Costa
Siesta Valley, E side, N of Hwy. 24
Comment
OBI75155
Senecio aronicoides
David J. Keil
2011-5-29
31036
Contra Costa
Mount Diablo State Park. Vicinity of Juniper Campground
900
Comment
UC691354
Senecio aronicoides
Mary L. Bowerman
1933-5-21
2146
Contra Costa
just below Grape Spring (s from Curry Canyon, Mount Diablo); Mount Diablo
Comment
CAS-BOT-BC327442
Senecio flaccidus var. douglasii
Peter Rubtzoff
1951-10-7
824
Contra Costa
Along lower San Joaquin River east of Antioch
Comment
CAS-BOT-BC327445
Senecio flaccidus var. douglasii
Lewis S. Rose
1955-10-17
55186
Contra Costa
Antioch
15
Comment
CDA18812
Senecio mikanioides
R. M. Case
1999-12-2
PDR 1219291
Contra Costa
Along Wildcat Canyon Rd., 1.9 mi NW of intersection of Wildcat Canyon Rd. and Dam Rd., vicinity of Orinda.
0
Comment
CHSC23334
Senecio vulgaris
Willis Ball
1975-2-23
435
Contra Costa
Contra Loma Regional Park. In area #1. Ca. 25 yds e of restroom facilities at s end of lake.
30
Comment
JEPS100173
Senecio vulgaris
G. Smick
2003-3-25
GAS 84
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC407393
Senecio vulgaris
Ira L. Wiggins
1930-4-18
4597
Contra Costa
n end Jersey Island; n end Jersey Island
Comment
UC651289
Senecio vulgaris
Ira L. Wiggins
1930-4-18
4597
Contra Costa
n end Jersey Island
Comment
JEPS48275
Sequoia sempervirens
W. L. Jepson
1919-1-25
8208
Contra Costa
Upper San Leandro Creek by Moraga Ridge Upper San Leandro Creek, Moraga Ridge
Comment
UC2012980
Setaria viridis
Barbara Ertter with Mary Bowerman, Lisa Schultheis
1996-7-5
14921
Contra Costa
Northwest base of Mt. Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek.
Comment
RSA0068491
Sherardia arvensis
Katie Gallagher, Nick Jensen
2014-4-26
183
Contra Costa
Las Trampas Regional Wilderness.
365
Comment
UC8497
Silene verecunda subsp. platyota
Edw. L. Greene
1892-6-20
Contra Costa
Mt. Diablo
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
UC10272
Sinapis alba
F. T. Bioletti
1892-1
Contra Costa
Byron
Comment
CAS-BOT-BC74935
Sinapis arvensis
Ira L. Wiggins
1930-4-18
4611
Contra Costa
Jersey Island.
Comment
UC691260
Sinapis arvensis
Mary L. Bowerman
1932-3-6
1106
Contra Costa
immediately n of Blackhawk Ranch (Mount Diablo, Sycamore Canyon); Mount Diablo, Sycamore Canyon
Comment
SFV1416
Sinapis arvensis
L. B. Hendrix
1962-4-22
21
Contra Costa
Walnut Creek, Sun Valley Drive.
Comment
UC2028577
Sinapis arvensis
Barbara Ertter, Holly Forbes
1997-4-20
15548
Contra Costa
North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead.
Comment
UCD115663
Sisymbrium orientale
Collector unknown
Date unknown
s.n.
Contra Costa
Contra Costa County.
Comment
JEPS75489
Sisyrinchium bellum
P. F. Yorks
1974-4-28
139
Contra Costa
1.5 km s of Bear Creek Road (on Hampton Road, n of Briones Reservoir); Hampton Road Natural Reserve
160
Comment
SEINET4061707
Sisyrinchium bellum
M. W. Garcia
1960-1
60030
Contra Costa
Collected on back of Tilden Park.
60
Comment
JEPS112310
Solanum americanum
D. G. Kelch
2004-5-2
04 .163
Contra Costa
Crockett - Edwards Canyon
Comment
UC1618167
Solanum americanum
Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson
1991-10-20
10879
Contra Costa
just w of Antioch Marina (Dow Wetlands Preserve, levee at n-center of preserve, at end of road); Dow Wetlands Preserve
Comment
UC570693
Solanum americanum
H. L. Mason
1929-9-21
5445
Contra Costa
1 mi e of junction with road to Antioch (Bordon Highway); Bordon Highway
Comment
CAS-BOT-BC314195
Solanum californicum
M. Boone
1981-4-19
020
Contra Costa
Mt. Diablo State Park along roadside ca. 3 miles up on N. Gate Rd.
Comment
CDA20181
Solanum elaeagnifolium
A. Niang
2003-7-9
PDR 1406328
Contra Costa
San Francisco Bay Area; Brentwood.
0
Comment
POM280561
Solanum umbelliferum
Lyman D. Benson
1931-3-18
2658
Contra Costa
Martinez; Mt Range: South Coast; Watershed: Sacramento River.
91
Comment
UC536676
Solanum umbelliferum
Herbert L. Mason
1935-8-23
Contra Costa
Cashion Canyon, Saint Mary's College Cashion Canyon; , Saint Mary's College
Comment
SEINET6186048
Solanum umbelliferum
H. M. Hall
1901-4-5
s.n.
Contra Costa
Region of San Francisco Bay, Mt. Diablo
671
Comment
UCD127020
Solanum umbelliferum
Laurence S. Jones
1934-4-8
s.n.
Contra Costa
Mount Diablo.
609
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
UC1795730
Soliva sessilis
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14041
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, damp road bed, clayey, in grassy flat south of pond, near edge of blue oak forest.
Comment
UC697139
Soliva sessilis
Mary L. Bowerman
1931-4-11
689
Contra Costa
Pine Canyon , Pine Canyon (Mount Diablo)
121
Comment
CAS-BOT-BC365801
Soliva sessilis
Mary L. Bowerman
1931-4-11
689
Contra Costa
Mount Diablo. Pine Canyon
121
Comment
JEPS107075
Spartina densiflora
Barbara Ertter, Rich Rabeler
1994-6-18
12835
Contra Costa
Pt. Pinole Regional Shoreline at north end of Richmond; beach on North side Whittell Marsh.
Comment
UC2032829
Spergula arvensis
Doran, Andrew Scott
2012-3-20
699
Contra Costa
Second highest point on Brooks Island, rocky outcrop overlooking man-made spit.
Comment
UC2028042
Spergula arvensis subsp. arvensis
Barbara Ertter
1998-3-1
15925
Contra Costa
Diablo Foothills Regional Park, Ridge Trail on ridge east of Old Borges Ranch.
Comment
JEPS111532
Spergularia bocconi
D. G. Kelch
2005-5-5
05 .216
Contra Costa
Point Pinole - Giant Marsh
3
Comment
UC1563942
Spergularia macrotheca var. longistyla
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8113
Contra Costa
15 air mi sw of Stockton (w and adjacent to Clifton Court Forebay, se Contra Costa County)
Comment
UC1950245
Spergularia macrotheca var. longistyla
Barbara Ertter
1992-3-8
10907
Contra Costa
Byron Springs Road 4-5 miles south of junction with J4, near Armstrong Road
Comment
UC1618134
Spergularia macrotheca var. macrotheca
Barbara Ertter
1994-6-18
12836
Contra Costa
at se corner of Whittell Marsh (at n end of Richmond, Point Pinole Regional Shoreline); Richmond, Point Pinole Regional Shoreline
Comment
UC1948956
Spergularia macrotheca var. macrotheca
William J. Ferlatte, L. Maynard Moe
1970-4-27
1265
Contra Costa
San Francisco Bay: Red Rock Island
Comment
CDA24135
Spergularia marina
D. G. Kelch
2006-7-14
6 .328
Contra Costa
Carquinez Strait; Along Marine Vista Ave immmediately west of Pacheco Slough. East of Martinez.
Comment
UC2032850
Spergularia marina
Doran, Andrew Scott
2012-3-20
721
Contra Costa
Northeast part of Brooks Island, on trail to beach along spit.
Comment
JEPS99546
Spergularia rubra
Mary Bowerman
1975-4-19
Contra Costa
Mount Diablo, Mitchell Canyon.
256
Comment
UC1618138
Spergularia rubra
Barbara Ertter with Tony Morosco
1996-1-15
14545
Contra Costa
on road to Frog Pond from Curry Point (se side Mount Diablo, below Sheepherder (Chase) Pond); Mount Diablo
Comment
CHSC23016
Spergularia salina
Robert A. Schlising
1962-4-7
2141
Contra Costa
Coast Ranges. Field along Deer Valley Road, few mi S of Antioch.
Comment
UC1618133
Spergularia villosa
Barbara Ertter
1996-4-7
14575
Contra Costa
w of Richmond (Point San Pablo at edge of San Francisco Bay, n end of ridge where crossed by road to harbor); San Francisco Bay, Point San Pablo
Comment
POM215114
Stachys ajugoides
J. T. Howell
1932-10-16
10818
Contra Costa
Near San Ramon.
Comment
JEPS112464
Stachys ajugoides var. rigida
D. G. Kelch
2003-4-3
03 .364
Contra Costa
Cummings Skyway
115
Comment
UC691720
Stachys ajugoides var. rigida
Mary L. Bowerman
1932-5-6
1430
Contra Costa
Mitchell Canyon, at end of road Mount Diablo
251
Comment
UC884280
Stachys ajugoides var. rigida
Alice Eastwood
1915-5-30
Contra Costa
Mt. Diablo
Comment
UCD125808
Stachys albens
Malcolm A. Nobs; S. Galen Smith
1949-7-8
943
Contra Costa
Otto's Black Bass Resort, 4 miles N of Kingston.
Comment
UC2055619
Stachys pycnantha
Joseph Andorfer Ewan
1933-10-15
8035
Contra Costa
SW slope Mt. Diablo.
1066
Comment
JEPS99599
Stellaria nitens
Mary Bowerman
1978-4-19
Contra Costa
Mount Diablo, Back Canyon
Comment
UC2028259
Stellaria pallida
Barbara Ertter
1999-6-12
16721
Contra Costa
Knobcone Point Road on south side of Mount Diablo, burned chamissal at head of NE fork of Sycamore Creek.
Comment
UC2028250
Stephanomeria elata
Barbara Ertter, Mary Bowerman, Lisa Schultheis
1998-8-21
16399
Contra Costa
South side of Mount Diablo, South Gate Road 0.8 miles below entry kiosk.
Comment
SEINET11800583
Stephanomeria virgata
L. S. Rose
1938-1
38308
Contra Costa
Marsh Creek, 6 mi E of Clayton
152
Comment
JEPS127235
Stipa pulchra
Lowell Ahart, Josephine Guardino
2016-4-19
20793
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 to Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad.
Comment
SACT002407
Stipa setigera
P. Kennedy
1914-3-15
Contra Costa
Comment
UC1492706
Streptanthus albidus subsp. peramoenus
Freed W. Hoffman
1949-4-16
2762
Contra Costa
2 mi inside North Gate of Mt. Diablo State Park; Mt. Diablo
228
Comment
UC592149
Streptanthus albidus subsp. peramoenus
H. L. Mason
1928-4-26
4389
Contra Costa
hillsides Berkeley hills
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-BC87102
Streptanthus glandulosus subsp. glandulosus
Mary L. Bowerman
1935-6-15
3136
Contra Costa
Mount Diablo. Eagle Point ridge east of 2632.
762
Comment
CAS-BOT-BC87332
Streptanthus hispidus
John Thomas Howell
1941-4-6
16178
Contra Costa
Ridge west of Deer Flat, Mount Diablo.
Comment
CAS-BOT-BC87337
Streptanthus hispidus
R. Bacigalupi
1946-5-30
2782
Contra Costa
Along auto road up Mount Diablo, about 0.5 mile below Juniper Camp.
Comment
CAS-BOT-BC87341
Streptanthus hispidus
H. N. Bolander; Kellock M. D.
s.n.
Contra Costa
Monte De Diablo.
Comment
UC2028421
Stuckenia pectinata
Barbara Ertter
2000-9-30
17533
Contra Costa
West side Mount Diablo, pond on China Wall Road ca 1/2 mile NW of Macedo Ranch
Comment
UCD163490
Stuckenia striata
D. Slakey; CNPS Volunteers
2015-9-12
223
Contra Costa
Junction Suisun Bay and New York Slough, between Browns Island and Pittsburg Marina.
0
Comment
UC2062677
Stuckenia striata
Barbara Ertter
2005-8-15
18624
Contra Costa
Antioch/Oakley Regional Shoreline, under south end of Antioch Bridge between Antioch and Oakley.
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
CAS-BOT-BC375966
Stylocline gnaphaloides
Brandegee
No date on label
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC422912
Stylomecon heterophylla
Alice Eastwood
1921-4-18
10292
Contra Costa
Antioch
Comment
UC50115
Stylomecon heterophylla
J. Burtt Davy
April 1897
Contra Costa
Point Isabel
Comment
UC614558
Stylomecon heterophylla
L. Constance, J. L. Morrison
1938-4-5
2193
Contra Costa
nw base Mount Diablo (6 mi se of Walnut Creek); Coast Ranges, nw base of Mount Diablo
Comment
UC2062637
Stylomecon heterophylla
Barbara Ertter with David Gowen, Mike Park
2004-4-13
18350
Contra Costa
Black Diamond Mines Regional Park south of Pittsburg, junction of Arata Overlook Trail and River View Loop Trail.
Comment
UC1238003
Suaeda moquinii
John H. Weiler
1961-4-9
6173
Contra Costa
3 mi s Byron (e side of road)
Comment
RSA428933
Symphoricarpos albus var. laevigatus
E. E. Stanford
1930-5-24
1509
Contra Costa
Marsh Creek Canyon.
Comment
CDA33070
Symphyotrichum lentum
D. G. Kelch
2010-10-5
10 .424
Contra Costa
The Delta.; Antioch shoreline. West of Fulton shipyard.
Comment
UCD163492
Symphyotrichum lentum
D. Slakey; CNPS Volunteers
2015-9-12
225
Contra Costa
Browns Island, northern part of Crooked Slough.
0
Comment
CAS-BOT-BC98040
Symphyotrichum lentum
John Thomas Howell
1978-9-5
53357
Contra Costa
Pittsburg Marina
Comment
CAS-BOT-BC98332
Symphyotrichum subulatum var. parviflorum
Walter Knight; W. Roderick; S. Edwards
1978-9-19
3255
Contra Costa
Browns Island, South Landing
Comment
CAS-BOT-BC211591
Tamarix
Walter Knight
1978-10-4
3316
Contra Costa
Browns Island, near old homestead site.
Comment
CAS-BOT-BC211562
Tamarix parviflora
Walter Knight
1979-4-13
3358
Contra Costa
Browns Island, old homestead site adjacent to Point Emmett
Comment
UC1607567
Tamarix parviflora
Barbara Ertter
1993-4-2
11480
Contra Costa
west of Crockett (below Vista Road, abandoned railroad station); Carquinez Regional Park
Comment
UC2070603
Tamarix parviflora
Barbara Ertter
2002-8-24
Contra Costa
Old homestead north of Perkins Canyon mouth at NE base of Mount Diablo.
Comment
UC764060
Taraxia ovata
R. F. Hoover
1938-2-21
2755
Contra Costa
Point Richmond
Comment
UC692478
Tetrapteron graciliflorum
Mary L. Bowerman
1935-4-26
2907
Contra Costa
w Indian Ceremonial Spring; Mount Diablo
1005
Comment
UC692143
Thalictrum fendleri var. polycarpum
Mary L. Bowerman
1935-6-15
3135
Contra Costa
on banks of stream Mount Diablo, Mitchell Canyon
640
Comment
CAS-BOT-BC88248
Thysanocarpus curvipes
Alice Eastwood
1915-5-30
4554
Contra Costa
Mount Diablo.
Comment
CAS-BOT-BC88256
Thysanocarpus curvipes
Katharine Brandegee
1907-5-1
s.n.
Contra Costa
Antioch.
Comment
UC11026
Thysanocarpus curvipes
J. Burtt Davy
1895-4-7
886
Contra Costa
Antioch
Comment
UC117265
Thysanocarpus curvipes
unknown
Contra Costa
Antioch; Epperson's
Comment
UC1543083
Thysanocarpus curvipes
Donald G. Nelson
1937-4-24
519
Contra Costa
Marsh Creek Road just after making direct turn s from canyon; Marsh Creek Road just after making direct turn s from canyon
Comment
UC117285
Thysanocarpus laciniatus
C. F. Baker
1903-4-28
2809
Contra Costa
Mt. Diablo; Mt. Diablo, Mitchell's Canyon
Comment
UC691140
Thysanocarpus laciniatus
Mary L. Bowerman
1931-5-7
805
Contra Costa
North Peak ridge Mount Diablo (slightly n of crest, Mount Diablo); , North Peak ridge
Comment
UC691141
Thysanocarpus laciniatus
Mary L. Bowerman
1931-3-8
564
Contra Costa
w slope of Mitchell Canyon near mouth Mount Diablo (Mount Diablo); , w slope of Mitchell Canyon
Comment
UC10983
Thysanocarpus laciniatus
W. H. Brewer
1862-5-14
1097
Contra Costa
dry rocky spurs Mount Diablo
Comment
CDA33815
Tonella tenella
D. G. Kelch, Abigail Moore, Michael Park, Troy
2010-5-15
10 .112
Contra Costa
Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot.
0
Comment
JEPS111507
Torilis arvensis
D. G. Kelch
2005-5-13
05 .269
Contra Costa
Martinez - South Tall hill in South Martinez and North of I-4
96
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
UC2027969
Torilis arvensis
Barbara Ertter with Richard Rabeler, Tony Morosco
1997-6-10
15661
Contra Costa
North base of Mount Diablo, lower end of Mitchell Canyon.
Comment
CAS-BOT-BC172934
Toxicodendron diversilobum
John Thomas Howell
1933-5-14
11289
Contra Costa
Hills east of St. Mary's College
Comment
CAS-BOT-BC172936
Toxicodendron diversilobum
Alice Eastwood
1915-5-30
4551
Contra Costa
Mt. Diablo
Comment
JEPS63921
Toxicodendron diversilobum
W. L. Jepson
1922-5-15
9643
Contra Costa
N. Berkeley Hills
Comment
UC1130477
Toxicodendron diversilobum
R. C. Wilson
1935-2-26
107
Contra Costa
1 mi. s.w. Nortonville; Mt. Diablo Quad.
Comment
UC2012949
Tribulus terrestris
Barbara Ertter with CNPS Volunteers
1990-9-16
9643
Contra Costa
NE Contra Costa Co. Bethel Island NE of Brentwood, E end of Gateway Road at W edge of Franks Tract State Regional Area.
Comment
JEPS63121
Trichostema lanceolatum
W. L. Jepson
1895-9-14
14880
Contra Costa
Lafayette
Comment
RSA69005
Trientalis latifolia
F. W. Peirson
1926-4-10
6635
Contra Costa
San Pablo Reservoir
Comment
JEPS65687
Trifolium albopurpureum
W. L. Jepson
1923-4-22
9860
Contra Costa
Mount Diablo
Comment
UC555621
Trifolium albopurpureum
H. L. Mason
1929-3-29
5130
Contra Costa
2 mi above Clyton Rd (Marsh Creek Rd)
Comment
JEPS65688
Trifolium albopurpureum var. albopurpureum
W. L. Jepson
1917-4-14
6860
Contra Costa
Oakland Hills
Comment Read comments Dec 17 2008
UC1129956
Trifolium albopurpureum var. albopurpureum
C. M. Belshaw
1936-5-8
2056
Contra Costa
Mt. Diablo Mt. Diablo Quadrangle
990
Comment
UC165553
Trifolium albopurpureum var. albopurpureum
J. Burtt Davy
1895-1
956
Contra Costa
Antioch
Comment
JEPS99529
Trifolium albopurpureum var. dichotomum
Mary L. Bowerman
1978-5-4
Contra Costa
Mount Diablo. Jim White Trail from Juniper Camp to Deer Flat before saddle.
Comment
UC16499
Trifolium albopurpureum var. dichotomum
Maclean
Contra Costa
Mt. Diablo
Comment
UC16500
Trifolium albopurpureum var. dichotomum
W. H. Brewer
1862-5-16
1114
Contra Costa
n Kirker's Pass
Comment
UC630752
Trifolium albopurpureum var. dichotomum
unknown
Sep 1907
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
RSA91071
Trifolium albopurpureum var. olivaceum
Alice Eastwood, John T. Howell
1936-4-19
2132
Contra Costa
Nortonville.
Comment
UC16604
Trifolium albopurpureum var. olivaceum
W. H. Brewer
1862-5-19
1111
Contra Costa
n Kirker Pass
Comment
UC630759
Trifolium albopurpureum var. olivaceum
P. B. Kennedy
1925-4-26
Contra Costa
above old rd to reservoir; Mt. Diablo
Comment
JEPS123455
Trifolium angustifolium
Zoya Akulova-Barlow
2011-4-29
s.n.
Contra Costa
Wildcat Canyon Regional Park. Belgium Trail.
Comment
UC2028082
Trifolium bifidum
Barbara Ertter, Tony Morosco
1998-4-12
15987
Contra Costa
Base of Mount Olympia on north side of Mount Diablo, NE of Olympia Trail.
Comment
POM194562
Trifolium bifidum var. decipiens
Ynez Mexia
1929-4-21
2375
Contra Costa
Moraga Valley
Comment
UC146899
Trifolium ciliolatum
Katharine Brandegee
may 1907
Contra Costa
Antioch
Comment
UC400158
Trifolium ciliolatum
Ynes Mexia
1929-4-21
2373
Contra Costa
Moraga Valley
Comment Read comments Aug 31 2007
POM300693
Trifolium ciliolatum
Mary L. Bowerman
1933-5-11
2082
Contra Costa
Inner Black Hills east of South Road.
Comment
UC2028184
Trifolium ciliolatum
Barbara Ertter
1998-5-3
16066
Contra Costa
SE end of Wall Point Road on southwest flank of Mount Diablo.
Comment
UC165565
Trifolium depauperatum var. amplectens
Ivar Tidestrom
1895-4-13
Contra Costa
near Lafayette
Comment
UC165576
Trifolium depauperatum var. amplectens
J. Burtt Davy
1895-1
993
Contra Costa
Antioch
Comment
UC1561224
Trifolium depauperatum var. depauperatum
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8139
Contra Costa
ca 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay)
0
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
UC165577
Trifolium depauperatum var. truncatum
J. Burtt Davy
1895-1
938
Contra Costa
Antioch
Comment
UC1795892
Trifolium depauperatum var. truncatum
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14046
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, grassy flat, roadside vegetation, clay substrate.
Comment
UC683346
Trifolium depauperatum var. truncatum
Edw. L. Greene
1895-4-7
Contra Costa
near Antioch
Comment
UC692647
Trifolium depauperatum var. truncatum
Mary L. Bowerman
1932-3-23
1125
Contra Costa
betw Monument and Concord (Oak Grove School junction); Mount Diablo
Comment
JEPS65884
Trifolium fucatum
E. L. Greene
1889-3-25
Contra Costa
Byron
Comment
UC16534
Trifolium fucatum
W. H. Brewer
1862-4-30
1006
Contra Costa
Camp 69 Walnut Creek
Comment
UC33446
Trifolium fucatum
Jos. Burtt Davy
1895-4-13
999
Contra Costa
Lafayette
Comment
UC70194
Trifolium fucatum
J. Burtt Davy
1898-5-1
Contra Costa
Region of Mount Diablo, Danville Danville; Region of Mount Diablo, Danville
Comment
UCD109005
Trifolium fucatum
P. B. Kennedy
1928-4-15
10056
Contra Costa
Pinehurst.
Comment
UC2027836
Trifolium glomeratum
Barbara Ertter, Mary Bowerman
2001-4-28
17619
Contra Costa
Clayton Ranch (East Bay Regional Parks) on north side of Marsh Creek Road east of Mount Diablo.
Comment
LA205246
Trifolium gracilentum
John Thomas Howell;
1933-5-14
11264
Contra Costa
E of St. Mary's College
Comment
UC16558
Trifolium gracilentum
W. H. Brewer
1862-4-24
989
Contra Costa
Camp 68 Martinez
Comment
UC631032
Trifolium gracilentum
Ivar Tidestrom
1895-4-13
Contra Costa
near Lafayette
Comment
UC692691
Trifolium gracilentum
Mary L. Bowerman
1932-4-27
1389
Contra Costa
w Riggs Canyon (Oyster ridge, s face of canyon); Mount Diablo
Comment
JEPS65906
Trifolium gracilentum var. gracilentum
W. L. Jepson
1925-4-26
10688
Contra Costa
Black Hills Mt. Diablo
Comment
JEPS21821
Trifolium hirtum
A. M. Craig
1958-5-19
Contra Costa
e West Contra Costa Junior College (hills); San Pablo
30
Comment
RSA0033857
Trifolium hybridum
Barbara Ertter
2000-7-16
17391
Contra Costa
Lower Pine Creek in Diablo Foothills Regional Park, a short distance upstream from dry check-dam.
121
Comment
JEPS21830
Trifolium incarnatum
A. M. Craig
1958-5-19
Contra Costa
e West Contra Costa Junior College (San Pablo)
30
Comment
UC1197238
Trifolium macraei
J. P. Tracy
1900-3-24
623
Contra Costa
50 ft Point Richmond
Comment
UC555619
Trifolium macraei
H. L. Mason
1928-4-13
4303
Contra Costa
Richmond waterfront
Comment
UC631555
Trifolium microcephalum
P. B. Kennedy
1925-4-25
Contra Costa
rd to Sycamore Canyon; Mt Diablo
Comment
UC692643
Trifolium microcephalum
Mary L. Bowerman
1935-4-19
2871
Contra Costa
ca 7 mi w entrance (Northgate) (by rd, ridge w of the power poles, above the rd junction); Mount Diablo
670
Comment
UC1130084
Trifolium microdon
C. M. Belshaw
1936-5-7
2043
Contra Costa
2 mi s San Ramon; Mt. Diablo quadrangle
274
Comment
UC692255
Trifolium microdon
Mary L. Bowerman
1933-5-17
2111
Contra Costa
due s Olafson's barn (branch of Curry Canyon, on ridge between the two forks of the canyon); Mount Diablo
Comment
UC2029052
Trifolium oliganthum
Barbara Ertter
2000-3-30
16904
Contra Costa
North base of Mount Diablo, lower Mitchell Canyon ca 1.5 miles from trailhead.
Comment
UC2029059
Trifolium subterraneum
Barbara Ertter with Kevin Hintsa et al.
2003-4-20
18159
Contra Costa
Secret Trail at head of Pine Canyon, west side of Mount Diablo
Comment
UC16787
Trifolium variegatum
Ivar Tidestrom
1893-4-15
Contra Costa
Sheep Island
Comment
UC2028286
Trifolium variegatum var. variegatum
Barbara Ertter
1998-6-20
16237
Contra Costa
Shell Ridge Open Space on NW side of Mount Diablo, Alkali Pond at Wiget Lane entrance.
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
JEPS4355
Trifolium willdenovii
W. L. Jepson
1925-4-26
10691
Contra Costa
Mt. Diable
Comment
JEPS70759
Trifolium willdenovii
L. R. Heckard
1971-4-22
2493
Contra Costa
e Pinole (rr grade near US Hwy 80 crossing)
Comment
UC16751
Trifolium willdenovii
W. H. Brewer
1862-5-23
1151
Contra Costa
se Mt. Diablo
Comment
UC55884
Trifolium willdenovii
H. M. Hall
1901-3-17
1656
Contra Costa
Point Richmond Canyon
Comment
UC692646
Trifolium willdenovii
Mary L. Bowerman
1933-5-11
2083
Contra Costa
Inner Black Hills Mount Diablo
Comment
UC725897
Trifolium willdenovii
A. A. Heller
1938-4-9
15017
Contra Costa
3 mi sw Antioch (from type region)
Comment
POM300698
Trifolium willdenovii
Mary L. Bowerman
1933-5-11
2083
Contra Costa
Inner Black Hills: Grassy ridge, west end.
Comment
RSA91555
Trifolium willdenovii
J. T. Howell
1933-5-14
11231
Contra Costa
St. Mary's College.
Comment
JEPS112458
Triglochin striata
D. G. Kelch
2003-8-13
03 .116
Contra Costa
Martinez Marsh
0
Comment
UC2028290
Trillium chloropetalum
Barbara Ertter with Dan Norris
1998-6-18
16227
Contra Costa
Junction of W Fork Sycamore Creek (= Madrone Canyon) and Sycamore Creek Road.
Comment
UCD139902
Trillium chloropetalum
Morris Halperin
1929-4-21
s.n.
Contra Costa
St. Mary's College Campus.
Comment
SEINET3888793
Trillium ovatum
Clayton Newberry
1994-3-12
7162
Contra Costa
North Coastal Range Forest. Huckleberry Regional Preserve, Skyline Trail.; 0
244
Comment
SEINET10534314
Trillium ovatum
John G. Lemmon
Lemmon s.n.
Contra Costa
Comment
POM300987
Triodanis biflora
Mary L. Bowerman
1933-5-18
2130
Contra Costa
Mount Diablo.
Comment
SEINET10458812
Triodanis biflora
Joseph W. Congdon
1896-5-30
Congdon s.n.
Contra Costa
Mount Diablo
Comment
JEPS126600
Triphysaria pusilla
Lowell Ahart, Josephine Guardino
2016-4-19
20780
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quadrangle. 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.
Comment
JEPS65194
Triphysaria pusilla
L. R. Heckard
1971-4-15
2473
Contra Costa
along Morgan Territory road 7 mi n of its intersection with Manning road e Mt. Diablo; e of Mt. Diablo
487
Comment
UC1861821
Triphysaria pusilla
Barbara Ertter, Lisa Schultheis
1995-4-27
14002
Contra Costa
Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; at end of Arbolado Dr.
121
Comment
SEINET238875
Trisetum canescens
Beecher Crampton
1956-5-14
3423
Contra Costa
2 miles west of Martinez on road to Crockett.
Comment
CAS-BOT-BC526331
Triteleia laxa
James McMurphy
1910-4-9
s.n.
Contra Costa
Antioch
Comment
SEINET3889041
Triteleia laxa
John Thomas Howell
1931-5-12
6468
Contra Costa
Oakland Hills.; 0
Comment
JEPS100033
Triticum aestivum
S. O'Neil
2003-5-8
SEO 32
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
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
UC11058
Tropidocarpum capparideum
J. Burtt Davy
1896-2-29
1262
Contra Costa
Clayton
Comment
UC673302
Tropidocarpum gracile
H. L. Mason
1932-3-20
6842
Contra Costa
Antioch sand hills
Comment
UC673305
Tropidocarpum gracile
H. L. Mason
1929-3-31
5152
Contra Costa
sand dike along river at Antioch; San Joaquin River
Comment
POM204031
Tropidocarpum gracile
L. S. Rose
1934-3-21
34066
Contra Costa
6 mi E of Clayton.
Comment
CAS-BOT-BC73895
Turritis glabra
Mary L. Bowerman
1932-5-6
1431
Contra Costa
Mitchell Canyon. At end of road.
251
Comment
UC2028231
Ulmus minor
Barbara Ertter
1998-11-15
16465
Contra Costa
North side Mount Olympia on north side Mount Diablo.
Comment
CAS-BOT-BC91089
Umbellularia californica
Mrs. H. C. Cantelow
1937-2-22
s.n.
Contra Costa
Mount Diablo.
Comment
CAS-BOT-BC91092
Umbellularia californica
Annetta Carter
1937-3-20
1224
Contra Costa
Lake Orinda Road, two miles northwest of Orinda.
121
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
JEPS75485
Umbellularia californica
P. F. Yorks
1974-2-3
108
Contra Costa
1.6 km s of Bear Creek Road (n of Briones Reservoir on Hampton Road in Hampton Road Natural Reserve); Hampton Road Natural Reserve
170
Comment
SEINET3559460
Umbellularia californica
Lewis S. Rose
1933-10-22
33386
Contra Costa
Wildcat Canyon.
Comment
UC1177379
Umbellularia californica
Peter H. Raven
1950-2-19
1353
Contra Costa
above Canyon Grocery at ne end of Moraga Ridge Moraga Ridge
213
Comment
UC691944
Umbellularia californica
Mary L. Bowerman
1931-2-8
514
Contra Costa
Summit of Mount Diablo Mount Diablo
Comment
CAS-BOT-BC381826
Uropappus lindleyi
Alice Eastwood
1923-5-4
11727
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC381830
Uropappus lindleyi
Alice Eastwood
1921-4-18
10291
Contra Costa
Antioch
Comment
JEPS36207
Uropappus lindleyi
W. L. Jepson
1922-5-23
9669
Contra Costa
n slope Mt. Diablo; n slope Mt. Diablo
Comment
UC691799
Uropappus lindleyi
Mary L. Bowerman
1933-6-3
2242
Contra Costa
Ransom Point Ridge , Ransom Point Ridge (Mount Diablo)
Comment
CAS-BOT-BC381824
Uropappus lindleyi
Paul F. Covel
1938-5-8
9
Contra Costa
Mt. Diablo - So. slope
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
CAS-BOT-BC403927
Urtica dioica subsp. gracilis
Joseph Andorfer Ewan
1934-1-14
8160
Contra Costa
Wildcat Canyon, one mile below ranch house
Comment
UCR142707
Urtica dioica subsp. holosericea
Joseph A. Ewan
1933-10-15
8018
Contra Costa
San Francisco Bay Region, South West slope of Mount Diablo
1159
Comment
UCSB21670
Vaccinium ovatum
Keefe, Joseph
1967-3-20
Contra Costa
Along Huckleberry Trail, 0.5 mile east of Skyline Boulevard, east of Berkeley
274
Comment
UC1124419
Verbena lasiostachys var. scabrida
H. S. Yates
1934-9-2
4069
Contra Costa
1 mi sw Mt Diablo; Mt Diablo Quadrangle
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
RSA128371
Verbena robusta
Peter H. Raven
1950-7-5
2489
Contra Costa
Mt Diablo.
396
Comment
CDA5675
Verbena venosa
R. DeBoer
1965-9-3
Contra Costa
4536 Elmwood Road, El Sobrante .
0
Comment
CDA33884
Verbesina encelioides subsp. encelioides
Slattengren
2010-10-26
PDR# 1454172
Contra Costa
Oakely; 31 Delta Rd.
0
Comment
JEPS18890
Veronica peregrina subsp. xalapensis
Rimo Bacigalupi with G. Thomas Robbins
1956-3-26
5524
Contra Costa
1.2 mi n of junction with Marsh Creek Road ( just n of Briones Valley, along the Deer Valley Road, in territory just s of Antioch,); Deer Valley Road
76
Comment
UC2028187
Veronica peregrina subsp. xalapensis
Barbara Ertter
1998-5-3
16056
Contra Costa
Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo.
Comment
CHSC21626
Veronica serpyllifolia subsp. serpyllifolia
Willis Ball
1975-3-26
510
Contra Costa
Contra Loma Regional Park. In area #1. On s side of lake ca. 50 yds e of restroom facilities.
30
Comment
UC1050076
Viburnum foetidum var. rectangulatum
N. Floy Bracelin
1941-7-13
1476
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
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
UC1130189
Vicia americana var. americana
C. M. Belshaw
1936-5-12
2109
Contra Costa
3.7 mi ene Tassajero; Mt. Diablo Quad.
670
Comment
UC692267
Vicia americana var. americana
Mary L. Bowerman
1933-5-17
2115
Contra Costa
branch of Curry Canyon Mount Diablo, Curry Canyon (e face of ridge between two forks, due s of Olafson's barn)
Comment
UC74935
Vicia americana var. americana
unknown
1903-4-27
2793
Contra Costa
Byron
Comment
UC16943
Vicia americana var. americana
H. P. Chandler
1900-3-17
Contra Costa
Wildcat Canyon; Berkeley Hills
Comment
UCD35903
Vicia americana var. americana
Beecher Crampton
1966-4-26
7667 a
Contra Costa
ca. 2.5 miles west of Martinez on the road to Crockett.
Comment
CDA15256
Vicia sativa subsp. sativa
G. F. Hrusa, D. Crowe
1998-5-8
14387
Contra Costa
Sacramento Delta; E end of Dow Chemical property in Pittsburg.
Comment
UC1618355
Vicia sativa subsp. sativa
Barbara Ertter
1993-4-2
11475
Contra Costa
along railroad w of Crockett (at w end of Carquines Strait, San Pablo Bay); San Pablo Bay, Carquines Strait
Comment
UC2027991
Vicia sativa subsp. sativa
Barbara Ertter with Tony Morosco
1998-4-12
16027
Contra Costa
Quarry road at base of Mount Olympia, north side of Mount Diablo.
Comment
JEPS107126
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; near Indian Valley School entrance (planted Clarkia also present).
91
Comment
CDA15257
Vicia villosa subsp. villosa
G. F. Hrusa, D. Crowe
1998-5-8
14388
Contra Costa
Sacramento Delta; E end of Dow Chemical property in Pittsburg.
Comment
JEPS111633
Vinca major
D. G. Kelch
2005-5-13
05 .255
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive Area along Vista Road ~ 2.5 kiloms West of Martinez
45
Comment
SJSU2616
Viola pedunculata
W. E. Ferguson
1942-4-25
Contra Costa
E base of Mt Diablo
304
Comment
UC581518
Viola pedunculata
A. E. Borell
1928-4-8
153
Contra Costa
Mount Diablo
Comment
UC692625
Viola pedunculata
Mary L. Bowerman
1931-3-22
608
Contra Costa
at end of e fork of Alamo Creek; Mount Diablo, Alamo Creek
Comment
JEPS48868
Viola purpurea subsp. purpurea
Elsa Kraeger
1926-3-7
Contra Costa
on road e of summit of Mount Diablo
Comment
JEPS50410
Viola purpurea subsp. quercetorum
Mary Bowerman
1933-5-12
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC203036
Vitis californica
Bonnie Templeton
1962-6-10
s.n.
Contra Costa
Mt. Diablo
Comment
UC692390
Vulpia bromoides
Mary L. Bowerman
1935-5-16
3008 a
Contra Costa
e side North Peak, Mount Diablo (behind Gabriel-Hinks'); Mount Diablo
289
Comment
UC692391
Vulpia bromoides
Mary L. Bowerman
1931-4-11
692 a
Contra Costa
Pine Canyon Mount Diablo (Mount Diablo)
121
Comment
UC691233
Vulpia microstachys var. ciliata
Mary L. Bowerman
1935-5-3
2950
Contra Costa
hillside below Jungle of the Garden Gods (Rock City Ridge); Mount Diablo, Rock City Ridge
487
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
UCD93808
Vulpia microstachys var. ciliata
Beecher Crampton
1956-5-14
3407
Contra Costa
southern boundary of Mt. Diablo State Park.
Comment
CAS-BOT-BC183936
Vulpia microstachys var. microstachys
John Thomas Howell
1942-5-24
16963
Contra Costa
Near Deer Flat, Mt. Diablo
Comment
CAS-BOT-BC184193
Vulpia microstachys var. pauciflora
Mary L. Bowerman
1932-5-6
1428
Contra Costa
Mitchell Canyon
251
Comment
UC691237
Vulpia microstachys var. pauciflora
Mary L. Bowerman
1933-5-8
2009 a
Contra Costa
near Fossil Ridge crest (on n side of road to picnic grounds); Mount Diablo
Comment
UC766878
Vulpia microstachys var. pauciflora
R. F. Hoover
1939-4-13
4021
Contra Costa
w branch Head of Markley Canyon
Comment
UCD94498
Vulpia microstachys var. pauciflora
Beecher Crampton
1956-5-14
3390
Contra Costa
just east of old Nortonville, 7 miles southwest of Antioch.
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
UCD36925
Vulpia microstachys var. pauciflora
Beecher Crampton
1956-5-14
3414
Contra Costa
0.5 mile northwest of Martinez, along road to Crockett.
Comment
SEINET191101
Vulpia myuros f. megalura
A. A. Beetle
1722
Contra Costa
Near Orinda
Comment
UC1024730
Vulpia myuros var. hirsuta
Leo Whitney
1935-4-21
3063
Contra Costa
Corral Hollow
Comment
UC606725
Vulpia myuros var. hirsuta
Edward Lee
1936-4-19
1979 B
Contra Costa
e shore Red Rock; San Francisco Bay
Comment
CHSC21608
Vulpia myuros var. myuros
Willis Ball
1975-3-2
453
Contra Costa
Contra Loma Regional Park. In area #4. Ca. 50 yds. s of dam on the e side of the lake.
30
Comment
UC606729
Vulpia myuros var. myuros
Edward Lee
1936-4-19
1950
Contra Costa
ne shore Red Rock; San Francisco Bay
Comment
UC692310
Vulpia octoflora var. hirtella
Mary L. Bowerman
1932-4-27
1384
Contra Costa
canyon w Riggs Canyon (s-face of Oyster Ridge); Mount Diablo, Oyster Ridge
335
Comment
JEPS102912
Wyethia angustifolia
Lisa Schultheis
1995-5-18
160 -95
Contra Costa
Wall Point Trail before connector to Stage Road Mount Diablo
Comment
UC485127
Wyethia angustifolia
Ira J. Condit
1913-4-19
Contra Costa
Richmond Annex
Comment
CAS-BOT-BC383293
Wyethia glabra
Mary L. Bowerman
1935-5-22
3047
Contra Costa
Mount Diablo. Eagle Point ridge, canyon at north end which heads into saddle west of Twin Peaks
350
Comment
UC2028578
Wyethia glabra
Barbara Ertter, Holly Forbes
1997-4-20
15552
Contra Costa
North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead.
Comment
CAS-BOT-BC383368
Wyethia helenioides
John Thomas Howell
1933-5-14
11287
Contra Costa
Hills east of St. Mary's College
Comment
CAS-BOT-BC383369
Wyethia helenioides
John Thomas Howell
1933-5-14
11288
Contra Costa
Hills east of St. Mary's College
Comment
OBI75159
Wyethia mollis
David J. Keil
2011-5-29
31037
Contra Costa
Mount Diablo State Park. Off Deer Flat Road
Comment
CAS-BOT-BC383660
Xanthium spinosum
E. M. Zeile
1921-9-17
1109
Contra Costa
Rodeo
Comment
CAS-BOT-BC383662
Xanthium spinosum
D. E. Breedlove
1969-10-18
16713
Contra Costa
Along the road bank on Reliez Valley Road at the junction with Gloria Terrace; Lafayette
Comment
UC2028987
Yabea microcarpa
Barbara Ertter
2000-5-14
17008
Contra Costa
Donner Canyon on north side of Mount Diablo, SW end of Falls Trail between Middle Trail and Donner Creek crossing.
Comment
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
JEPS128390
Zeltnera davyi
Kevin Hintsa
2000-6-6
Contra Costa
Mount Diablo State Park, Wall Point Road (100 yards west of Rock City).
Comment