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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
UC1719700
Acacia baileyana
Barbara Ertter
1997-1-5
15430
Contra Costa
Ygnacio Valley Road across Lime Ridge, S-facing roadcut
Comment
UC1719702
Acacia longifolia
Barbara Ertter with Richard Rabeler
1994-6-2
12821
Contra Costa
edge of San Francisco Bay on overgrown point south of Central Avenue at Point Isabel (subsequently cleared as part of new Eastshore State Park).
Comment
SD45087
Acacia verticillata
W. W. Jones
1927-4-5
Contra Costa
Crockett
Comment
UC762183
Acer macrophyllum
R. F. Hoover
1938-5-4
3345
Contra Costa
peak e Tassajero Creek (canyon slope); Peak e of Tassajero Creek (canyon slope)
Comment
LA210535
Acer negundo var. californicum
Annetta M. Carter;
1937-3-28
1227
Contra Costa
Moraga Valley, 2.5 mi N of Moraga.
182
Comment
UC588153
Acer negundo var. interior
Annetta Carter
1937-3-28
1227
Contra Costa
2 1/2 mi n Moraga (Moraga Valley); , Creek bank, n of Moraga
182
Comment
CAS-BOT-BC21713
Achillea millefolium
Mary L. Bowerman
1930-6-3
238
Contra Costa
Mount Diablo: West road 1.9 miles from entrance
Comment
UC579853
Achillea millefolium
Annetta Carter
1936-4-19
1116
Contra Costa
hollow e side of island Red Rock; San Francisco Bay
Comment
UC691726
Achillea millefolium
Mary L. Bowerman
1931-4-25
751
Contra Costa
2 mi by road from Mt. Diablo West Entrance; Mount Diablo
Comment
SEINET10614426
Achillea millefolium
John T. Middleton
1936-4-18
Middleton 142
Contra Costa
Comment
SEINET242919
Achnatherum diegoense
Mary E. Barkworth, Surrey W. L. Jacobs; Betty Jacob
2003-4-7
2003 /7
Contra Costa
Tilden Reigonal Park, east of Berkeley
Comment
UCD164888
Achyrachaena mollis
Henry House
1995-4-30
1995- 7
Contra Costa
About 1 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd.
60
Comment
HSC4584
Achyrachaena mollis
Greg Bos
1963-4-28
98
Contra Costa
Pinole hills overlooking San Pablo Bay
46
Comment
JEPS112327
Acmispon americanus
Dean G. Kelch and Andrew G. Murdock
2004-7-16
04 .321
Contra Costa
Martinez- South; County: Contra Costa; Pine St. Entrance Rte 4 heading west. Martinez, CA.
Comment
SEINET4089806
Adenostoma fasciculatum
B. C. Templeton
1962-1
sn
Contra Costa
Mount Diablo.
Comment
UC1127729
Adenostoma fasciculatum
R. W. Lundh
1932-9-9
163
Contra Costa
1/2 mi. s.e. Nortonville; Mt. Diablo Quad.
381
Comment
UC721201
Adenostoma fasciculatum
Rogers McVaugh
1941-7-29
6169
Contra Costa
5 mi. e. Berkeley (Moraga Ridge); Moraga Ridge
304
Comment
SEINET7728119
Adiantum emarginatum
C. C. Parry
1883-1
Contra Costa
Mt. Diablo
Comment
UC42032
Adiantum jordanii
Ivar Tidestrom
vi, 1895
Contra Costa
canyon near Crockett
Comment
CHSC22658
Aesculus californica
Robert A. Schlising
1965-1-24
2740
Contra Costa
North of Briones Reservoir along Hampton Road; 1.1 mi S of Jct with Garcia Ranch Road.
Comment
LA205596
Aesculus californica
J. A. Ewan;
1935-2-3
9082
Contra Costa
Wildcat Creek 0.25 mi. below Orinda road bridge
Comment
UC2061505
Ageratina adenophora
Dean G. Kelch
2016-5-27
16 .132
Contra Costa
Miller-Knox Hill.
Comment
JEPS36319
Agoseris grandiflora var. grandiflora
W. L. Jepson
1943-6-8
20846
Contra Costa
midway of ridge Moraga Ridge
Comment
JEPS36323
Agoseris grandiflora var. grandiflora
W. L. Jepson
1922-5-26
9674
Contra Costa
grassy hills North Berkeley Hills
Comment
UC1818937
Agoseris heterophylla
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14049
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, grassy flat, roadside vegetation, clay substrate.
Comment
UC29360
Agoseris heterophylla var. heterophylla
F. T. Bioletti
1894-5-13
Contra Costa
Mt. Diablo
Comment
UC691431
Agoseris retrorsa
Mary L. Bowerman
1931-4-25
783
Contra Costa
summit Meridian Peak; Mount Diablo
Comment
SEINET10590760
Agrostis avenacea
Barbara J. Ertter, B. Olson
1994-5-7
Ertter 12748
Contra Costa
S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay. Local in puddle on graded flat.
Comment
UC697196
Agrostis hallii
Mary L. Bowerman
1944-6-19
3895
Contra Costa
in eastern corner of triangle formed by roads to upper Rock City Camp (Fossil Ridge, Mount Diablo); Mount Diablo
Comment
UC2028399
Agrostis hallii
Barbara Ertter with Dan Norris
1998-6-18
16217
Contra Costa
Rock City area on south side of Mount Diablo, W Fossil Ridge Trail
Comment
UC2028526
Agrostis hallii
Barbara Ertter
1997-11-1
15883
Contra Costa
South side Mount Diablo, end of spur road east of Knobcone Point, below powerline crossing at head of Alamo Creek drainage.
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
SEINET5538014
Agrostis stolonifera
J. Hamai
1985-1
s.n.
Contra Costa
Russell Reserve.
Comment
UC692383
Agrostis viridis
Mary L. Bowerman
1936-8-17
3527
Contra Costa
Sulphur Spring Mount Diablo, Pine Canyon
137
Comment
UCD55707
Aira caryophyllea
Beecher Crampton
1955-4-11
2471
Contra Costa
Richmond, vacant lots of 41st St. and Bissell.
Comment
UC2028078
Aira caryophyllea var. caryophyllea
Barbara Ertter, Tony Morosco
1998-4-12
15992
Contra Costa
Base of Mount Olympia on north side of Mount Diablo, base of quarry NE of Olympia Trail.
Comment
UC692097
Alisma plantago-aquatica
Mary L. Bowerman
1935-9-13
3331
Contra Costa
scattered over the center Chase Pond; Mount Diablo
Comment
CAS-BOT-BC226
Allium breweri
William Henry Brewer
1862-5-7
1060
Contra Costa
Summit of Monte Diablo [Mount Diablo]
Comment
POM181433
Allium crispum
I. L. Wiggins
1930-4-17
4565
Contra Costa
Near Mountain House, Altamont Pass.
Comment
UC13800
Allium serra
Chesnut and Drew
1889-4-15
Contra Costa
Martinez
Comment
UC692028
Allium serra
Mary L. Bowerman
1933-4-26
1932
Contra Costa
Perkins Canyon branch between the main ridge of North Peak and the ridge to its south Mount Diablo, Perkins Canyon
518
Comment
UC766759
Allium serra
R. F. Hoover
1936-3-19
808
Contra Costa
Pittsburg
Comment
UC1789187
Allium triquetrum
Barbara Ertter
2000-5-20
17027
Contra Costa
Sibley Volcanic Regional Preserve, Oakland Hills, accessible trail on ridge behind interpretative center. Locally established in understory of eucalyptus-oak-pine flores; onion-scented, flowers white.
Comment
SEINET3151680
Allocarya stipitata
L. S. Rose
1936-4-24
36155
Contra Costa
8 miles S of Antioch
30
Comment
SEINET7881741
Allocarya stipitata
H. S. Reed
1940-1
355
Contra Costa
Marsh Creek road, Mount Diablo, altitude 800 feet.
244
Comment
UCD118009
Allophyllum divaricatum
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
Between Diablo and Summit.
Comment
UCD118010
Allophyllum divaricatum
Clifford Low
1978-5-19
3
Contra Costa
Back Canyon Creek, east of Eagle Peak on Mount Diablo.
304
Comment
UC1093922
Alnus rhombifolia
Herbert L. Mason
1924-11-23
1159
Contra Costa
Las Trampas Ridge; via Cashion
Comment
UC1135145
Alnus rhombifolia
R. W. Lundh
1932-9-22
170
Contra Costa
Sycamore Creek Mt. Diablo Quadrangle
228
Comment
UC13501
Alnus rhombifolia
W. C. Blasdale
1891-3-7
Contra Costa
San Pablo
Comment
UC2031467
Alnus rhombifolia
Barbara Ertter with Brad Olson, Dianne Lake, Lynne Hosley and A. Youngson
1991-10-20
10861
Contra Costa
Dow Wetlands Preserve, just W of Antioch marina
Comment
UC2027977
Amaranthus albus
Barbara Ertter with Mary Bowerman
1996-11-1
15397
Contra Costa
North base of Mount Diablo, downstream from Mitchell Canyon parking lot.
Comment
UC691918
Amaranthus californicus
Mary L. Bowerman
1933-9-9
2431
Contra Costa
Frog Pond Mount Diablo
Comment
POM300589
Amaranthus californicus
Mary L. Bowerman
1935-9-13
3343
Contra Costa
Frog Pond
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
SEINET3840793
Amaranthus deflexus
Dean G. Kelch, Andrew G. Murdock
2005-6-27
5 .394
Contra Costa
Carquinez Strait, Sixth street at Lillian Street in vegetable garden, Crockett, common garden weed
33
Comment
RSA666352
Ambrosia chamissonis var. chamissonis
Barbara Ertter, Brad Olson
1993-10-30
12288
Contra Costa
Northeast of Rodeo, across railroad tracks from San Pablo Avenue
Comment
CAS-BOT-BC222222
Amsinckia
John Thomas Howell
1934-4-8
11813
Contra Costa
7 miles from Clayton on road to Livermore
Comment
CAS-BOT-BC222223
Amsinckia
Alice Eastwood; John Thomas Howell
1936-4-19
2143
Contra Costa
At Antioch
Comment
CAS-BOT-BC222224
Amsinckia
Alice Eastwood; John Thomas Howell
1936-4-19
2143
Contra Costa
At Antioch
Comment
CAS-BOT-BC222231
Amsinckia
John Thomas Howell
1933-3-29
10916
Contra Costa
Pittsburg
Comment
CAS-BOT-BC222236
Amsinckia
John Thomas Howell
1933-3-29
10911
Contra Costa
Nortonville hills
Comment
SEINET12479829
Amsinckia intermedia
R. R. Halse
1988-2-20
3541
Contra Costa
Along State Hwy 4, near its junction with Balfour Road, S edge of Brentwood.
23
Comment
UC881400
Amsinckia intermedia
Lewis S. Rose
1941-3-13
41032
Contra Costa
3 mi s Byron
15
Comment
RSA0068499
Amsinckia intermedia
Katie Gallagher, Nick Jensen
2014-4-26
175
Contra Costa
Las Trampas Regional Wilderness.
365
Comment
RSA0090980
Amsinckia intermedia
Robert F. Hoover
1938-4-20
3179
Contra Costa
Between San Pablo and Reservoir.
Comment
JEPS20865
Amsinckia lunaris
R. F. Hoover
1938-4-20
3178
Contra Costa
lower end San Pablo Reservoir
Comment
LA29456
Amsinckia lunaris
Francia Chisaki; Peter Kamb
1952-5-4
2275
Contra Costa
Bear Creek Road, 1.5 mi. E of Orinda-Richmond road (leaving this road ca. 1 mi. N of Orinda)
Comment
RSA125789
Amsinckia lunaris
Francia Chisaki, Peter Kamb
1952-5-4
2275
Contra Costa
Bear Creek Road, 1.5 miles east of Orinda-Richmond road (leaving this road ca. 1 mile north of Orinda)
Comment
RSA0029365
Amsinckia lunaris
Barbara Ertter, Chris Thayer
1993-5-7
11707
Contra Costa
Ca 0.5 mile N of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land E of Tilden Park.
457
Comment
JEPS18322
Amsinckia lycopsoides
Rimo Bacigalupi with F. Chisaki
1957-3-27
5757
Contra Costa
3/4 mi w Antioch (along Somersville road between Borden Highway and S. P. Ry)
19
Comment
UCD119723
Amsinckia lycopsoides
R. Bacigalupi; Francia Chisaki
1957-3-27
910
Contra Costa
Rolling plain along Somersville road between Borden Highway and Southern Pacific Railway, 0.75 mile west of Antioch.
19
Comment
UC2028213
Amsinckia menziesii
Barbara Ertter with Richard K. Brummitt
1998-5-13
16133
Contra Costa
Summit Road on Mount Diablo, base of rock outcrop/roadcut above Juniper Camp.
Comment
JEPS108530
Amsinckia menziesii var. menziesii
Lisa Schultheis with Kevin Hintsa
1995-4-25
67 -95
Contra Costa
Mount Diablo. Wall Point Road, where an arroyo crosses the trail, near the Macedo Ranch parking lot
Comment
CAS-BOT-BC26823
Amsinckia peltigera
Alice Eastwood
1921-4-18
10311 a
Contra Costa
Antioch
Comment
UCD146714
Anagallis arvensis
G. F. Hrusa; D. Crowe
1998-5-8
14394
Contra Costa
Sacramento-San Joaquin River Delta. East end of Dow Chemical property at Pittsburg.
15
Comment
UCD117436
Anagallis arvensis
Jennifer Davies
1982-4-11
5
Contra Costa
1 mile NW of South Checking Station on South Gate Road, Mt. Diablo.
487
Comment
CAS-BOT-BC45254
Ancistrocarphus filagineus
Brandegee
s.n.
Contra Costa
Antioch
Comment
UC2027832
Ancistrocarphus filagineus
Barbara Ertter with John Ginochio and Mary Bowerman
2001-5-8
17631
Contra Costa
northwest flank of Mount Diablo, Ginochio property north of park boundary on Long Ridge.
Comment
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
UC2062460
Anemopsis californica
Barbara Ertter with David Gowen and Mike Park
2004-6-13
18374
Contra Costa
Black Diamond Mines Regional Preserve, just downstream from old homestead on west side of Old Homestead Loop.
Comment
POM161362
Anemopsis californica
R. C. Bacigalupi
1926-4-30
1347
Contra Costa
About 3 miles E of Walnut Creek on Mt. Diablo Rd.
Comment
UC691887
Angelica californica
Mary L. Bowerman
1935-3-16
2740
Contra Costa
Mount Diablo, e fork of Arroyo del Cerro Arroyo del Cerro; Mount Diablo, Arroyo del Cerro
274
Comment
NY67842
Antirrhinum elmeri
A. D. E. Elmer
06 1903
4809
Contra Costa
Mt. Diablo
Comment
RSA0008239
Antirrhinum elmeri
A. D. E. Elmer
1903-06
4809
Contra Costa
Mount Diablo
Comment
SEINET2446344
Antirrhinum elmeri
A. D. E. Elmer
4809
Contra Costa
Mount Diablo.
Comment
UC691600
Antirrhinum vexillocalyculatum subsp. vexillocalyculatum
Mary L. Bowerman
1932-9-3
1535
Contra Costa
Muir Area; Mount Diablo
Comment
CAS-BOT-BC447664
Aphanes arvensis
Mary L. Bowerman
1931-3-29
620
Contra Costa
Mount Diablo, East Cave Point ridge,
Comment
JEPS112070
Aphanes occidentalis
A. G. Murdock
2004-3-5
212
Contra Costa
Sky Ranch At top of ridge along road
250
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
JEPS45617
Aphanes occidentalis
W. L. Jepson
1931-4-5
15720
Contra Costa
Nortonville
396
Comment
UC1789149
Aphanes occidentalis
Barbara Ertter with David Gowen and Mike Park
2004-4-13
18347
Contra Costa
Black Diamond Mines Regional Park south of Pittsburg, ca 1 km due east of Sidney Flat headquarters
Comment
SEINET13943445
Apium graveolens
Joseph Andorfer Ewan
1936-1
9714
Contra Costa
Wildcat Creek
Comment
UC691848
Apocynum cannabinum
Mary L. Bowerman
1931-5-28
905
Contra Costa
gully to s. at e. end of Castle Rock Farm (Pine Canyon); Mt. Diablo, Pine Canyon
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
POM203649
Aquilegia formosa var. truncata
J. T. Howell
1933-5-14
11253
Contra Costa
Hills east of St. Mary's college
Comment
CAS-BOT-BC17272
Arabis blepharophylla
Paul F. Covel
1938-5-8
1514
Contra Costa
Summit Mount Diablo.
Comment
CAS-BOT-BC128690
Arbutus menziesii
H. E. McMinn
1925-1-1
s.n.
Contra Costa
Head of San Leandro Creek
Comment
UCD166545
Arbutus menziesii
Dylan O. Burge
2016-2-18
2046
Contra Costa
Huckleberry Ridge.
390
Comment
UC692044
Arceuthobium campylopodum
Mary L. Bowerman
1931-10-31
1064
Contra Costa
south Rd near junction Mount Diablo
Comment
CAS-BOT-BC410130
Arceuthobium occidentale
J Kuijt
1958-1-22
s.n.
Contra Costa
Mt. Diablo
Comment
SEINET11977748
Arctostaphylos andersonii var. auriculata
L. S. Rose
1932-1
32110
Contra Costa
Nortonville
Comment
CAS-BOT-BC24109
Arctostaphylos auriculata
Alice Eastwood; John Thomas Howell
1936-4-19
2130
Contra Costa
Nortonville
Comment
CAS-BOT-BC24110
Arctostaphylos auriculata
Rimo Bacigalupi
1924-2-17
s.n.
Contra Costa
Lower slopes of Mt. Diablo on old wagon road to summit from Mt. Diablo Country Club (Blue K Hills)
457
Comment
CAS-BOT-BC24115
Arctostaphylos auriculata
Mary L. Bowerman
1932-9-5
1546
Contra Costa
Inner Black Hills: Near fire trail which runs south from large spur (on Meridian) heading into Sycamore Canyon.
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
JEPS98842
Arctostaphylos auriculata
John S. Bryant
1967-3-19
Contra Costa
Nortonville, 1 mi hike from Gianochio Bros. gate, old coal mining area at upper end of canyon
Comment
RSA0036101
Arctostaphylos auriculata
Lewis S. Rose
1949-3-6
49004
Contra Costa
Mt. Diablo, above Rock City.
518
Comment
RSA164647
Arctostaphylos auriculata
Percy C. Everett
1963-11-19
24549
Contra Costa
Mt Diablo.
457
Comment
RSA202870
Arctostaphylos auriculata
Edward Lee
1936-1-12
1713
Contra Costa
Immediately south of Nortonvillep
Comment Read comments Aug 25 2011
RSA388864
Arctostaphylos auriculata
H. A. Stout, TC Wainwright
1980-3-27
2
Contra Costa
Mallory Ranch, ca. 1 mile east of Morgan Territory Road.
609
Comment
UC549566
Arctostaphylos auriculata
J. E. Adams
1934-3-19
673
Contra Costa
Mt. Diablo
Comment
UC614738
Arctostaphylos auriculata
Beryl O. Schreiber
1934-2-22
943
Contra Costa
Devil's Slide Canyon Mount Diablo
Comment
UC697792
Arctostaphylos auriculata
Mary L. Bowerman
1932-9-5
1546
Contra Costa
near fire trail which runs s from large spur (on meridian) heading into Sycamore Canyon; Mount Diablo, Inner Black Hills
Comment
UCD50262
Arctostaphylos auriculata
Roman Gankin
1968-11-14
1311
Contra Costa
Ca. 300 yds. above road at Somersville.
Comment
UCD50265
Arctostaphylos auriculata
Roman Gankin
1968-11-14
1308
Contra Costa
Ca. 300 yds. above road at Somersville.
Comment
CDA33795
Arctostaphylos crustacea
D. G. Kelch
2011-2-4
11 .017
Contra Costa
Bear Creek Road west of Orinda near of Briones Park.
0
Comment
CAS-BOT-BC23600
Arctostaphylos crustacea
Steve Abbors
1980-3-24
s.n.
Contra Costa
Chamise Trail. Las Trampas Ridge, Las Trampas Regional Wilderness.
Comment
SEINET11989691
Arctostaphylos crustacea
N. Havlik, Knight, W.
1982-1
4550
Contra Costa
Briones Regional Park adjacent to Russell Tree Farm
305
Comment
CAS-BOT-BC24859
Arctostaphylos glandulosa subsp. cushingiana
Walter Knight; Irja Knight
1980-3-16
3716
Contra Costa
Sobrante Ridge between Heavenly Ridge Lane and Castro Ranch Road, El Sobrante.
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
UC692229
Arctostaphylos glandulosa subsp. glandulosa
Mary L. Bowerman
1933-4-22
1900
Contra Costa
w Cave Point; Mount Diablo, Inner Black Hills
Comment
CAS-BOT-BC24661
Arctostaphylos glauca
Charles M. Belshaw
1936-10-26
2720
Contra Costa
3/4 mi. ne. of North peak, Mt. Diablo.
609
Comment
UC692232
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 (=Fossil Ridge)
Comment
UC692235
Arctostaphylos glauca
Mary L. Bowerman
1933-3-11
1749
Contra Costa
in gully nw park entrance (outer s face of ridge); Mount Diablo, Rock City Ridge (Fossil Ridge)
Comment
RSA0002606
Arctostaphylos laevigata
Alice Eastwood
1922-3-17
11082
Contra Costa
Mt. Diablo
Comment
SEINET11977789
Arctostaphylos manzanita
M. T. Doutt
1930-1
85
Contra Costa
Marsh Creek
Comment
UCSB22281
Arctostaphylos manzanita
McMinn, H.
1936-4-11
Contra Costa
Mt. Diablo; head of Sycamore Canyon
Comment
CAS-BOT-BC38878
Arctostaphylos manzanita subsp. laevigata
Rimo Bacigalupi
1924-2-17
s.n.
Contra Costa
Lower slopes of Mt. Diablo on old wagon road to summit from Mt. Diablo Country Club (Black Hills)
457
Comment
CAS-BOT-BC38881
Arctostaphylos manzanita subsp. laevigata
J. T. Howell
1926-3-7
1665
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC38925
Arctostaphylos manzanita subsp. laevigata
L. R. Abrams
1910-10-8
4345
Contra Costa
Mt. Diablo
548
Comment
OBI14657
Arctostaphylos manzanita subsp. laevigata
H. E. McMinn, E. Maino
1931-4-11
136
Contra Costa
Mt Diablo
Comment
RSA122397
Arctostaphylos manzanita subsp. laevigata
R. C. Wilson
1935-3-13
132
Contra Costa
1.5 mi W of Cave Pt.
563
Comment
RSA122398
Arctostaphylos manzanita subsp. laevigata
R. C. Wilson
1935-2-26
104
Contra Costa
1 mile SW of Nortonville.
396
Comment
UC1121504
Arctostaphylos manzanita subsp. laevigata
H. A. Jensen
1938-10-27
452
Contra Costa
head of Curry Canyon Mt. Diablo Quadrangle
Comment
UC549604
Arctostaphylos manzanita subsp. laevigata
J. E. Adams
1934-10-6
675
Contra Costa
Mt. Diablo
Comment
UC692221
Arctostaphylos manzanita subsp. laevigata
Mary L. Bowerman
1931-3-1
540
Contra Costa
e meridian (w part of chaparral); Mount Diablo, Inner Black Hills
Comment
UCD51727
Arctostaphylos manzanita subsp. laevigata
R. C. Wilson
1935-2-26
112
Contra Costa
3/4 mile southwest of Somersville.
411
Comment
RSA0034774
Arctostaphylos manzanita subsp. laevigata
Lewis S. Rose
1934-2-28
34040
Contra Costa
8 mi. NE Danville. S. slope Mt. Diablo.
Comment
UC2027944
Arctostaphylos manzanita subsp. laevigata
Barbara Ertter
1997-9-7
15797
Contra Costa
North side Mount Diablo, Donner Canyon, Middle Trail below Falls Trail junction.
Comment
CAS-BOT-BC24386
Arctostaphylos manzanita subsp. manzanita
Mary L. Bowerman
1936-8-19
3530
Contra Costa
Mount Diablo, Pine Canyon mouth, most northerly west-heading streamlet shown on topographic map (now dry).
167
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
JEPS97533
Arctostaphylos pallida
R. D. Stone
1981-1-31
335
Contra Costa
Huckleberry Trail Oakland Hills, near Alameda-Contra-Costa county line (NE of intersection of Skyline Blvd. and Snake Rd.)
Comment
JEPS48823
Arctostaphylos tomentosa subsp. crustacea
H. M. Wheeler
1944-1-16
27506
Contra Costa
Moraga Ridge Oakland Hills
Comment
JEPS98840
Arctostaphylos tomentosa subsp. crustacea
Walter Knight, Irja Knight, James B. Roof, R. Gankin, R. Hildreth
1964-10-7
Contra Costa
near Rock City; Mt. Diablo
Comment
RSA164648
Arctostaphylos tomentosa subsp. crustacea
P. C. Everett
1963-11-19
11774
Contra Costa
Mt. Diablo.
457
Comment
UC1120106
Arctostaphylos tomentosa subsp. crustacea
R. W. Lundh
1933-3-1
204
Contra Costa
1/2 mi n Pinehurst; Concord Quadrangle
Comment
UC1120189
Arctostaphylos tomentosa subsp. crustacea
R. W. Lundh
1932-8-27
151
Contra Costa
1 1/2 mi w Cave Point; Mount Diablo Quadrangle
502
Comment
UC549463
Arctostaphylos tomentosa subsp. crustacea
J. E. Adams
1934-3-9
630
Contra Costa
Moraga Ridge
Comment
UC909851
Arctostaphylos tomentosa subsp. crustacea
J. E. Adams
1934-3-9
635
Contra Costa
Moraga Ridge
Comment
UC909879
Arctostaphylos tomentosa subsp. crustacea
J. E. Adams
1934-3-9
631
Contra Costa
Moraga Ridge
Comment
UCD51869
Arctostaphylos tomentosa subsp. crustacea
Edward Lee
1935-12-28
1703
Contra Costa
western end of Las Trampas Ridge, Contra Costa County
426
Comment
UCD129096
Argyranthemum foeniculaceum
G. Thomas Robbins; John Weiler
1959-5-23
4022
Contra Costa
portion of Brooks Island (its northwestern extension), San Francisco Bay.
Comment
UC1606406
Aristolochia californica
Barbara Ertter
1993-4-2
11476
Contra Costa
below Vista Rd. w. of Crockett (midslope, Carquinez Regional Park); Carquinez Regional Park
Comment
UCD137820
Aristolochia californica
G. L. Stebbins Jr.; P. Dansereau, C. McMillan, K. Naravan
1949-3-26
3967
Contra Costa
0.5 mile northeast of Saint Mary's College, Moraga.
Comment
CAS-BOT-BC17386
Armoracia rusticana
Walter Knight; Joanne Dean
1978-8-14
3121
Contra Costa
Browns Island.
Comment
RSA755498
Artemisia biennis
Barbara Ertter, Jim Dunne, David Gowen, Lech Naumovich
2009-12-3
19800
Contra Costa
Mudflats at upper (south) end of San Pablo Dam Reservoir northwest or Orinda
90
Comment
JEPS111689
Artemisia californica
D. G. Kelch
2004-3-5
04 .7
Contra Costa
Martinez - Rankin Park
56
Comment
UC449651
Artemisia californica
W. P. Taylor
1912-7-16
Contra Costa
2 mi sw Walnut Creek
121
Comment
UC691664
Artemisia californica
Mary L. Bowerman
1930-9-27
469
Contra Costa
2 mi from entrance to Mt. Diablo State Park (North Road); Mount Diablo
Comment
SEINET14199582
Artemisia californica
W. L. Jepson
1898-10-14
s.n.
Contra Costa
Berkeley, Berkeley Hills
Comment
CAS-BOT-BC90298
Artemisia douglasiana
Walter Knight; Joanne Dean
1978-8-14
3132
Contra Costa
Browns Island
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
UC169478
Asarum caudatum
Katharine Brandegee
Apr 1913
Contra Costa
Eastport, Oakland Hills?
Comment
CAS-BOT-BC400500
Asarum caudatum
John Thomas Howell
1925-9-12
1439
Contra Costa
San Leandro Canon [Canyon], Oakland Hills
Comment
SBBG93247
Asclepias vestita
D. G. Nelson
1937-4-24
520
Contra Costa
Marsh Crk Rd, between Byron and Clayton
Comment
UCR63400
Asclepias vestita
Donald G. Nelson
1937-4-24
520
Contra Costa
Marsh Creek Rd, between Byron & Clayton
Comment
CAS-BOT-BC478832
Asparagus officinalis
Walter Knight; Joanne Dean
1978-8-14
3128
Contra Costa
Brown's Island
Comment
CDA19073
Asphodelus fistulosus
B. Case
2001-4-11
PDR 1048013
Contra Costa
San Francisco Bay Region; San Ramon.
0
Comment Read comments May 27 2008
RSA417743
Aster radulinus
M. B. Dunkle
1931-7-18
2532
Contra Costa
Strawberry Canyon, Berkeley
152
Comment
SEINET11851717
Aster subulatus var. ligulatus
L. S. Rose
1938-1
38312
Contra Costa
Byron
3
Comment
CAS-BOT-BC177886
Astragalus didymocarpus var. didymocarpus
1884-5-1
s.n.
Contra Costa
antioch
Comment
UC635299
Astragalus gambelianus
H. L. Mason
1928-4-15
4345
Contra Costa
Moraga Ridge
Comment
SEINET10486680
Astragalus nigrescens
Lincoln Constance, Carl W. Sharsmith
1940-4-27
Constance 2572
Contra Costa
Petals purplish; fruit obcompressed. Loose serpentine soil, open s slope, pine Canyon, base of mt diablo.
305
Comment
CAS-BOT-BC17455
Athysanus pusillus
Alice Eastwood
1914-2-24
3739
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
UC480596
Athysanus pusillus
Carl Meyer
1928-2-22
291
Contra Costa
Mount Diablo
Comment
SEINET12004480
Athysanus pusillus
L. S. Rose
1932-1
32107
Contra Costa
Nortonville
Comment
CAS-BOT-BC168542
Atriplex coronata
Walter Knight; Irja Knight
1968-8-14
2417
Contra Costa
On Contra Loma Drive, north side of road, Contra Loma Regional Park, near Antioch
Comment
CDA37399
Atriplex coronata
D. G. Kelch, Mike Perlmutter
2011-9-23
11 .76
Contra Costa
Entry to Discovery Bay.
Comment
CAS-BOT-BC168543
Atriplex coronata
R. E. Frenkel
1964-9-18
855
Contra Costa
On Balfour Road, 0.2 mile west of Bixler Road
6
Comment
CDA9502
Atriplex fruticulosa
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .229
Contra Costa
Byron Airport.
Comment
JEPS65178
Atriplex fruticulosa
L. R. Heckard
1971-4-15
2489
Contra Costa
in crack of old road pavement at intersection of Holey Road s Byron; s of Byron
Comment
SEINET4134956
Atriplex heterosperma
Howard C. Stutz
1990-8-17
95340
Contra Costa
No. Livermore.; 0
Comment
JEPS59616
Atriplex joaquinana
W. L. Jepson
May 1891
Contra Costa
Mt. Diablo region
Comment
UC205040
Atriplex joaquinana
Katharine Brandegee
Contra Costa
Antioch
Comment
UCD158698
Atriplex prostrata
James A. Neilson Jr.
1972-11-2
3620
Contra Costa
Walnut Creek drainage. Elevation estimated in Google Earth by label maker.
1
Comment
JEPS78625
Atriplex prostrata
Walter Knight, L. R. Heckard and Bert Johnson
1978-9-28
3280
Contra Costa
Browns Island , Browns Island (Botany Cove)
Comment
UC2027884
Atriplex rosea
Barbara Ertter, Chris Thayer
1996-10-25
15367
Contra Costa
Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park.
Comment
SEINET11268190
Atriplex semibaccata
Barbara Ertter
1990-9-30
9655
Contra Costa
NW side of county, SE of Hilltop Mall in N Richmond. Near Day's Inn; 0
Comment
UC1607604
Atriplex triangularis
Barbara Ertter with Elizabeth Neese
1988-10-15
7979
Contra Costa
in salicornia marsh w. of I-580 in El Cerrito (w side along Rydin Road n of Central Avenue; edge of roadbank and marsh)
Comment
UC53767
Avena barbata
J. Burtt Davy
May, 1898
Contra Costa
Livermore Region Of Mount Diablo
Comment
UC53773
Avena barbata
Jos. Burtt Davy
1899-4-19
7839
Contra Costa
Claremont Canyon
Comment
CDA19823
Avena fatua
P. Akers
2002-5-11
s.n.- 2
Contra Costa
Northern California; Mt Diablo Summit Trail at water tank picnic area.
873
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
JEPS84882
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
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
RSA762309
Avena fatua
William J. Ferlatte, L. M. Moe
1970-4-27
1225
Contra Costa
San Francisco Bay, Red Rock Island.
Comment
UCD56310
Avena fatua
A. A. Beetle
1942-3-22
3266
Contra Costa
Brooks Island in San Francisco Bay.
Comment
CDA10375
Baccharis glutinosa
D. G. Kelch, A. G. Murdock
2004-9-2
4 .337
Contra Costa
Carquinez Strait Region; Pacheco Marsh. Marsh east of Martinez and I-680 and east of lone tree Marsh.
Comment
JEPS111735
Baccharis glutinosa
D. G. Kelch
2004-9-2
04 .338
Contra Costa
Pacheco Marsh Marsh east of Martinez and I-680 and east of lone tree Marsh.
5
Comment
UC651295
Baccharis salicifolia subsp. salicifolia
Ira L. Wiggins
1930-4-18
4600
Contra Costa
Levee Parks, near ferry Jersey Island
Comment
CAS-BOT-BC106560
Balsamorhiza deltoidea
G. L. Stebbins
1937-5-1
2108
Contra Costa
North facing ridge, about 1 mile south of Somersville.
365
Comment
UC691250
Barbarea orthoceras
Mary L. Bowerman
1933-5-3
1972
Contra Costa
due s Mount Diablo summit ((Meridian Peak)); Mount Diablo
731
Comment
UC1618272
Bassia hyssopifolia
Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson
1991-10-20
10885
Contra Costa
just w Antioch marina (Dow Wetlands Preserve); Dow Wetlands Preserve
Comment
CDA39043
Bellardia trixago
D. G. Kelch
2011-6-5
11 .571
Contra Costa
Carquinez Strait; South of Crockett, south of Cummings Skyway.
Comment
JEPS111081
Bellardia trixago
Lee Echols
2003-4-29
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
Comment
UCD35137
Bellardia trixago
Beecher Crampton
1949-6-5
468
Contra Costa
near Muir.
Comment
SD30222
Bellardia trixago
P. O. Schallert
1943-4-27
Contra Costa
1 mile east of Martinez, in meadow
Comment
UC2027719
Berberis aquifolium var. dictyota
Barbara Ertter with Brad Olson, Jim Shevock, et al.
1997-3-19
15515
Contra Costa
Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood.
Comment
UC1328149
Berberis nervosa
Olive Dyer
1937-2-27
208
Contra Costa
just s Grizzly Peak (upper end of canyon on w side of n tributary); Wildcat Canyon
Comment
UC2012948
Beta vulgaris
Barbara Ertter
1990-10-24
9685
Contra Costa
Martinez Regional Shoreline on Carquinez Strait.
Comment
UCD158697
Beta vulgaris subsp. maritima
James A. Neilson Jr.
1972-11-2
3613
Contra Costa
Walnut Creek drainage. Elevation estimated in Google Earth by label maker.
1
Comment
CAS-BOT-BC102086
Bidens frondosa
Walter Knight; Joanne Dean
1978-8-14
3157
Contra Costa
Browns Island
Comment
UC912220
Bidens frondosa
Herbert L. Mason
1929-9-21
5446
Contra Costa
2.6 mi ne of Byron (Borden Highway); Borden Highway
Comment
SEINET10758592
Blennosperma californicum
Lewis S. Rose
1932-3-15
Rose 3279
Contra Costa
Byron.
Comment
NY31035
Blennosperma nanum
R. C. F. Bacigalupi
1956-3-26
5526
Contra Costa
In Deer Valley, along Deer Valley road
76.2
Comment
POM247237
Blennosperma nanum
Annetta Carter
1937-3-28
1225
Contra Costa
Marsh Creek Road, 15 miles east of Concord.
152
Comment
RSA114082
Blennosperma nanum
H. K. Sharsmith
1954-3-24
4409
Contra Costa
Hillslope above old Nortonville Mines, near Kirker Pass road between Clayton and Antioch.
305
Comment
RSA517739
Blennosperma nanum
Donald G. Nelson
1937-3-30
459
Contra Costa
Marsh Creek Highway, about halfway between Clayton and Bryon.
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
CAS-BOT-BC100702
Blennosperma nanum var. nanum
Helen K. Sharsmith
1954-3-24
4409
Contra Costa
Hillslope above old Nortonville Mines, near Kirker Pass Road between Clayton and Antioch
304
Comment
SBBG45059
Blennosperma nanum var. nanum
A. Carter
1937-3-28
1225
Contra Costa
Marsh Crk Rd, ca. 15 mi E of Concord
152
Comment
UC2070516
Blennosperma nanum var. nanum
Barbara Ertter with Steve Matson
2003-3-15
18108
Contra Costa
Black Diamond Mines Regional Preserve, Black Diamond Trail in SW corner of park.
Comment
CAS-BOT-BC127916
Blepharizonia laxa
Mrs. Curran
s.n.
Contra Costa
Antioch
Comment
UCD129617
Blepharizonia laxa
Robert E. Preston
1996-9-27
1012
Contra Costa
NW-facing hillside, 0.5 mile south of Contra Loma Reservoir.
106
Comment
CAS-BOT-BC100337
Blepharizonia plumosa
K. Curran
1883-8-1
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC100339
Blepharizonia plumosa
T. S. Brandegee
Sept. 1883
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC100341
Blepharizonia plumosa
Miss H. A. Walker
1916-8-28
3922
Contra Costa
Los Medanos, near Antioch
Comment
RSA332608
Blepharizonia plumosa
M. K. C
1885-08
s.n.
Contra Costa
Antioch
Comment Read comments Dec 16 2012
SJSU8304
Boechera breweri
J. A. Merriman
1965-2-13
51
Contra Costa
near summit of Mt Diablo; (Type locality)
853
Comment
UCSB2219
Boechera breweri
Keator, Glenn
1959-7-1
Contra Costa
Growing 1/4 miles above Laurel camp on Mt. Diablo
Comment
CAS-BOT-BC15956
Boechera breweri subsp. breweri
Alice Eastwood
1915-5-30
4513
Contra Costa
Mount Diablo.
Comment
CAS-BOT-BC27013
Boechera breweri subsp. breweri
William Henry Brewer
1862-5-14
1086
Contra Costa
Summit of Monte Diablo
Comment
SBBG2385
Boechera breweri subsp. breweri
H. and M. Dearing
1940-3-20
4125
Contra Costa
near summit of Mt Diablo
Comment
UC118056
Boechera breweri subsp. breweri
G. W. Dunn
1892-3-12
Contra Costa
Mt. Diablo
Comment
UC614620
Boechera breweri subsp. breweri
L. Constance, J. L. Morrison
1938-4-5
2192
Contra Costa
near Mitchell Canyon (on w slope of Mount Diablo); Mount Diablo
609
Comment
UC691069
Boechera breweri subsp. breweri
Mary L. Bowerman
1932-4-16
1344
Contra Costa
Eagle Point Mount Diablo
Comment
UCD102382
Boechera breweri subsp. shastaensis
Daniel Sanchez-Mata; M. P. Rodriguez-Rojo
2002-4-24
s.n.
Contra Costa
Mount Diablo State Park. Devils Elbow-Devils Pulpit.
1060
Comment
RSA102247
Boisduvalia cleistogama
M. K. Curran
1886-05
s.n.
Contra Costa
Near Antioch.
Comment
POM249869
Boisduvalia densiflora
Joseph A. Ewan, Nesta Ewan
1935-8-23
9337
Contra Costa
Shasta road entrance, Wildcat Creek drainage
Comment
POM32378
Boisduvalia glabella
Katherine Brandegee
1905-6-16
s.n.
Contra Costa
Antioch
Comment
POM194201
Boisduvalia glabella
J. T. Howell
1929-7-20
4331
Contra Costa
Pittsburg
Comment
CAS-BOT-BC31334
Bolboschoenus maritimus
Walter Knight; Joanne Dean
1978-8-14
3161
Contra Costa
Browns Island.
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
CAS-BOT-BC31392
Bolboschoenus robustus
John Thomas Howell
1932-10-8
10794
Contra Costa
Tidal Flat at mouth of Rodeo Creek.
Comment
CAS-BOT-BC95325
Bowlesia incana
Mary L. Bowerman
1933-4-22
1889
Contra Costa
Curry-Cave Point trail, Mount Diablo
426
Comment
UC566857
Bowlesia incana
H. L. Mason
1928-4-29
4419
Contra Costa
Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon
Comment
UC566877
Bowlesia incana
H. L. Mason
1928-3-4
4169 a
Contra Costa
Shell Ridge
Comment
UC691789
Bowlesia incana
Mary L. Bowerman
1933-6-7
2259
Contra Costa
Mount Diablo, North Peak Ridge North Peak Ridge; Mount Diablo, North Peak Ridge
1021
Comment
POM181431
Brassica rapa
I. L. Wiggins
1930-4-18
4609
Contra Costa
Jersey Island.
Comment
UC1795697
Briza maxima
Barbara Ertter, Chris Thayer
1995-4-25
13999
Contra Costa
Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd at northeast FK of Sycamore Creek.
396
Comment
UC2028494
Briza maxima
Barbara Ertter
1998-5-3
16071
Contra Costa
Wall Point Ridge on southwest flank of Mount Diablo, between Wall Point and Secret Trail junction
Comment
UCD57815
Bromus berteroanus
Beecher Crampton
1956-5-14
3415
Contra Costa
1/2 mile west of Martinez.
Comment
CDA23631
Bromus carinatus
D. G. Kelch, D. A. Weinstein
2008-4-25
8 .089
Contra Costa
Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland.
Comment Read comments Jan 7 2016
SEINET191354
Bromus carinatus var. carinatus
A. A. Beetle
1942-3-22
2931
Contra Costa
Brooks Island, San Francisco Bay near Richmond.
Comment
UC53787
Bromus carinatus var. carinatus
J. Burtt Davy
Apr 1897
Contra Costa
Point Isabel; Western Middle California, Point Isabel
Comment
UC692285
Bromus carinatus var. carinatus
Mary L. Bowerman
1935-5-16
3010
Contra Costa
behind Gabriel-Hinks (Mount Diablo, e side of North Peak); Mount Diablo, North Peak
289
Comment
CAS-BOT-BC149542
Bromus carinatus var. carinatus
R. E. Frenkel
1964-2-24
378
Contra Costa
On Giant Road at its junction with Atlas Road, Richmond.
16
Comment
CAS-BOT-BC149543
Bromus carinatus var. carinatus
David C. Rentz
1968-4-29
5
Contra Costa
Between homes near Oak View Avenue on Ocean View Avenue. Kensington.
Comment
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
JEPS75533
Bromus diandrus
P. F. Yorks
1974-4-28
1452
Contra Costa
on Hampton road 1.7 km s of Bear Creek Road (n of Briones Reservoir, in Hampton Road Natural Reserve); Hampton Road Natural Reserve
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
UCD36912
Bromus diandrus
Beecher Crampton
1956-5-14
3378
Contra Costa
4.6 miles south of city of Antioch, on Empire Mine Drive, at head of Horse Valley.
Comment
CAS-BOT-BC156067
Bromus diandrus
Mary L. Bowerman
1935-5-25
3068
Contra Costa
Mount Diablo. South of the summit.
1066
Comment
POM300690
Bromus hordeaceus
Mary L. Bowerman
1931-5-13
839
Contra Costa
Pine canyon floor one mile above the sulphur spring
Comment
UC1131074
Bromus hordeaceus
C. M. Belshaw
1936-5-7
2047
Contra Costa
2 mi s of San Ramon
274
Comment
UCD58641
Bromus hordeaceus
Beecher Crampton
1956-5-14
3417
Contra Costa
1/2 mile northwest of Martinez. Road to Crockett.
Comment
UC692368
Bromus laevipes
Mary L. Bowerman
1935-5-30
3095
Contra Costa
between two ridges which converge at Twin Peaks ((Eagle Point Ridge)); Mount Diablo
350
Comment
UCD58920
Bromus laevipes
P. B. Kennedy
1916-5-1
s.n.
Contra Costa
Pinehurst.
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
UC692333
Bromus madritensis subsp. madritensis
Mary L. Bowerman
1935-5-22
3037
Contra Costa
w of Twin Peaks (n end of Eagle Point Ridge, Mount Diablo); Mount Diablo, Eagle Point Ridge
304
Comment
UC1024733
Bromus madritensis subsp. rubens
Leo Whitney
1935-4-21
3056
Contra Costa
Corral Hollow
Comment
UC2028467
Bromus tectorum
Barbara Ertter
1997-8-24
15775
Contra Costa
Mount Diablo, around summit
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
UC606723
Bromus trinii
Edward Lee
1936-4-19
1970
Contra Costa
San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock
Comment
UC1980316
Calamintha sylvatica subsp. ascendens
Barbara Ertter with David Gowen
2011-10-6
20918
Contra Costa
Tilden Regional Park in hills east of Berkeley; lower Vollmer Peak Trail southeast of Big Spring picnic area
Comment
CAS-BOT-BC438367
Calandrinia ciliata
V. Rattan
1887-5-22
s.n.
Contra Costa
Alhambra Valley
Comment
CAS-BOT-BC438369
Calandrinia ciliata
Alice Eastwood
1914-3-14
3809
Contra Costa
Byron Springs
Comment
CAS-BOT-BC438372
Calandrinia ciliata
Mary L. Bowerman
1939-5-2
3741
Contra Costa
Mount Diablo. By road to Barbecue Terrace (off South Road)
563
Comment
CAS-BOT-BC438373
Calandrinia ciliata
Mary L. Bowerman
1939-5-2
3741
Contra Costa
Mount Diablo. By road to Barbecue Terrace (off South Road)
563
Comment
CAS-BOT-BC438374
Calandrinia ciliata
John Thomas Howell
1940-4-21
15407
Contra Costa
Pine Canyon, Mt. Diablo
Comment
CHSC116660
Calandrinia ciliata
Lowell Ahart; Josephine Guardino
2016-4-19
20777
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides of the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
JEPS99971
Calandrinia ciliata
G. Smick
2003-4-8
GAS 134
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UCD100165
Calandrinia ciliata
Beecher Crampton
1950-4-16
512
Contra Costa
Along R.R. embankment, Giant.
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
SD41282
California macrophylla
McCallum
1933-4-26
3696
Contra Costa
Near road to Tassajara
Comment
UC570761
Callitriche marginata
H. L. Mason
1932-3-16
6810
Contra Costa
At east edge Walnut Creek, along S.P. Railroad track
Comment
UC570769
Callitriche marginata
H. L. Mason
1932-3-20
6852
Contra Costa
Deer Valley; Briones Road
Comment
JEPS102906
Calochortus albus
Barbara Ertter with John Ginochio
2002-6-1
17938
Contra Costa
Arroyo del Cerro on NW side of mountain, above connector road between Government Road and Olofson Homestead Mount Diablo
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
UC3366
Calochortus albus
W. H. Brewer
1862-5-24
1157
Contra Costa
se of Monte Diablo
Comment
UC2028323
Calochortus argillosus
Barbara Ertter, Susan D'Alcamo
1998-6-12
16153
Contra Costa
North Gate Road on west flank of Mount Diablo, between Long Ridge and Buckle Point.
Comment
CAS-BOT-BC132504
Calochortus pulchellus
Alice Eastwood
1923-5-4
11728
Contra Costa
Mt. Diablo
Comment
JEPS125942
Calochortus pulchellus
D. W. Taylor
2001-4-26
17627
Contra Costa
Black Diamond Mines Regional Preserve; 1 mile SSW of Nortonville (site); growing on access road to PG&E electrical transmission lines.
Comment
SBBG33410
Calochortus pulchellus
A. D. E. Elmer
-Jun-1903
4631
Contra Costa
Mount Diablo
Comment
SBBG54485
Calochortus pulchellus
L. R. Abrams
1921-5-25
8053
Contra Costa
Mt Diablo, 4.5 mi from summit
Comment
UC3461
Calochortus pulchellus
W. H. Brewer
1862-5-7
1063
Contra Costa
n slope Mount Diablo
Comment
UC691993
Calochortus pulchellus
Mary L. Bowerman
1930-6-5
242
Contra Costa
5.8 mi from entrance (= North Gate) (West road (=North Rd)); Mount Diablo
457
Comment
UC843700
Calochortus pulchellus
Harold V. Manor
1913-5-18
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC132503
Calochortus pulchellus
H. M. Hall
1916-5-30
10132
Contra Costa
Mt. Diablo, north slopes, near Pine Canyon
365
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
JEPS112510
Calochortus superbus
Christopher Thayer
1996-6-7
Contra Costa
Oursan Trail above Hampton rd. East Bay Municipal Utility District property
Comment
RSA8517
Calochortus umbellatus
J. T. Howell
1933-5-14
11261
Contra Costa
Hills east of St. Marys college
Comment
UC1779714
Calochortus umbellatus
Rudolf Schmid
1997-4-4
1997 -1
Contra Costa
Hillside Natural Area, El Cerrito; SW of Kent Dr. - Regency Ct. entrance, N side of juncttion of the two main fire roads.
144
Comment Read comments Apr 2 2012
JEPS122392
Calochortus venustus
Nisrine Machaka-Houri with Gracie Benson-Martin
2014-5-17
NG 12
Contra Costa
Golden Lily Trail, Mitchell Canyon, Mt. Diablo State Park.
Comment
JEPS116745
Caltha palustris
David Gowen
2007-3-19
665
Contra Costa
Huckleberry Preserve in stream/marsh area in canyon bottom.
Comment
CAS-BOT-BC270072
Calycadenia multiglandulosa
H. M. Hall
1916-8-16
10274
Contra Costa
Horse Valley, 9 km S of Antioch
Comment
CAS-BOT-BC275351
Calycadenia truncata var. truncata
Mary L. Bowerman
1936-9-1
3536
Contra Costa
Mount Diablo. Between North Peak and the mouth of Perkins Canyon
487
Comment
UC2028302
Calystegia malacophylla subsp. pedicellata
Barbara Ertter, Susan D'Alcamo
1998-6-12
16189
Contra Costa
North Peak Trail south of Prospectors Gap on east side of Mount Diablo summit.
Comment
JEPS78819
Calystegia purpurata
Edward Lee
1936-5-24
2160
Contra Costa
about 2 mi se Curry Canyon (Marsh Creek, Morgan Territory); Morgan Territory, se of Curry Canyon, Marsh Creek
Comment
UC691851
Calystegia purpurata
Mary L. Bowerman
1931-4-4
658
Contra Costa
North Road 4.5 mi from North Gate Mount Diablo (bank above road); Mount Diablo
396
Comment
JEPS111813
Calystegia sepium subsp. binghamiae
A. G. Murdock
2004-6-4
321
Contra Costa
Pacheco Marsh
Comment
JEPS111817
Calystegia sepium subsp. binghamiae
D. G. Kelch
2004-7-9
04 .289
Contra Costa
Crockett Edwards Creek. Immediately below high school.
4
Comment
CAS-BOT-BC209525
Calystegia sepium subsp. limnophila
Ira L. Wiggins
1954-9-5
13123
Contra Costa
Levee along Bethel Island
Comment
CDA41299
Calystegia sepium subsp. limnophila
G. F. Hrusa, D. Crowe, R. York
1998-7-17
14728
Contra Costa
Sacramento Delta; Betw. Dow Ecological Reserve and San Joaquin R. Sheet 2 of 2.
Comment
JEPS47838
Calystegia subacaulis
W. L. Jepson
1922-6-7
9719 a
Contra Costa
North Berkeley Hills
Comment
UC1197881
Calystegia subacaulis subsp. subacaulis
Joseph P. Tracy
1934-4-30
13192
Contra Costa
Near Lafayette.
152
Comment
UC1794983
Calystegia subacaulis subsp. subacaulis
R. K. Brummitt and B. Ertter
1998-5-6
19784
Contra Costa
Mt. Diablo, NW side, path to Mitchell's Rock
300
Comment Read comments Aug 3 2013
UC635291
Camissonia campestris subsp. campestris
H. L. Mason
1931-4-5
5820
Contra Costa
Antioch sandhills
Comment
POM31985
Camissonia contorta
C. F. Baker
1903-4-25
2824
Contra Costa
Antioch.
Comment
JEPS99558
Camissoniopsis intermedia
Mary Bowerman
1995-5-28
Contra Costa
Mount Diablo, knoll on N side of Wall Point Trail 1/2 encircled on W and N sides by road from Macedo Ranch to Pine Pond.
304
Comment
UC635400
Camissoniopsis intermedia
H. L. Mason
1928-4-29
4436
Contra Costa
Sycamore Canyon Mount Diablo (s slope of mt.)
Comment
UC20485
Camissoniopsis micrantha
W. H. Brewer
1862-5-22
1137
Contra Costa
foothills e Mount Diablo
Comment
UC726184
Camissoniopsis micrantha
A. A. Heller
1942-4-12
Contra Costa
4 mi w Antioch
Comment
UC1051115
Campanula bononiensis
N. Floy Bracelin
1943-9-5
2498
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
SEINET10461960
Campanula exigua
Rattan
1886-6-14
RATTAN s.n.
Contra Costa
Summit of Mount Diablo
Comment
JEPS108315
Campanula griffinii
David Gowen
2005-5-28
391
Contra Costa
Mt. Diablo State Park. Prospectors Gap Road outside of park boundary. Small serpentine area ca 1/4 mile west of junction with Ray Morgan Rd. (dirt).
Comment
JEPS83131
Capsella bursa-pastoris
R. P. Allen
1935-3-15
113
Contra Costa
Pittsburg
Comment
CAS-BOT-BC37396
Cardamine californica
Annetta Carter; Helen Sharsmith
1940-3-17
1498
Contra Costa
Near Stege railroad station two miles southeast of Richmond.
7
Comment
JEPS111860
Cardamine californica
D. G. Kelch
2004-3-12
04 .23
Contra Costa
Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road
140
Comment
UC691085
Cardamine californica
Mary L. Bowerman
1931-2-8
504
Contra Costa
Mineral Spring , Mineral Spring (Mount Diablo)
396
Comment
UCR17079
Cardamine californica
James K. Ryan
1969-3-31
45
Contra Costa
Mt. Diablo State Park, 0.25 mi inside S gate entrance at first large turnout on left side of rd, at top of steep hill
701
Comment
POM272925
Cardamine californica var. integrifolia
Lyman Benson
1935-3-16
6277
Contra Costa
Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek.
244
Comment
UC10326
Cardamine californica var. integrifolia
W. H. Brewer
1862-5-1
1039
Contra Costa
Walnut Creek
Comment
RSA128566
Cardamine californica var. integrifolia
P. H. Raven
1954-1-10
6371
Contra Costa
North Road, Mt. Diablo.
396
Comment
UC2027753
Cardamine hirsuta
Barbara Ertter
1997-2-11
15455
Contra Costa
north side of Mount Diablo, Mitchell Canyon trailhead parking area, trodden ground.
Comment
UC2027761
Cardamine hirsuta
Barbara Ertter
1997-2-11
15453
Contra Costa
North side of Mount Diablo, Donner Cabin site on Donner Canyon Road.
Comment
CAS-BOT-BC37863
Cardamine oligosperma
Mary L. Bowerman
1932-3-6
1100
Contra Costa
Mount Diablo. Sycamore Canyon, east fork. Near trail.
Comment
POM300574
Cardamine oligosperma
Mary L. Bowerman
1932-3-6
1100
Contra Costa
Sycamore Canyon, east fork: Near trail.
Comment
RSA134229
Cardamine oligosperma
P. H. Raven, H. L. Mason, Robert Ornduff
1957-4-11
10623
Contra Costa
Curry Canyon, four miles south of the Recreation Ground.
Comment
UC2029039
Cardamine oligosperma
Barbara Ertter
2000-3-19
16897
Contra Costa
Southwest side of Mount Diablo, Stage Road along Pine Creek, ca 1/2 mile above Pine Pond.
Comment
CDA40557
Cardaria chalepensis
V. Guise & B. Slate
2014-4-8
PDR# 070 P06223871
Contra Costa
Clayton; 11501 Marsh Creek Road, 0.5 mile east of Morgan Territory Road, East Bay Regional Park District property.
0
Comment
CDA19196
Cardaria draba
R. Fonseca
2001-5-16
PDR P 088201
Contra Costa
Suisun Bay Region; Franklin Canyon Rd., Martinez.
115
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
UC582525
Carduus pycnocephalus subsp. pycnocephalus
Joseph P. Tracy
1934-4-30
13188
Contra Costa
roadside between Moraga and Lafayette Moraga
152
Comment
CDA15244
Carduus tenuiflorus
G. F. Hrusa, D. Crowe
1998-5-8
14375
Contra Costa
Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River.
Comment
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-BC281806
Carduus tenuiflorus
Mary L. Bowerman
1934-6-9
2547
Contra Costa
Mount Diablo. South Road, bend by Diablo Trail sign reading 4.4 miles to summit: Roadside
304
Comment
POM226232
Carduus tenuiflorus
J. T. Howell
1933-5-21
11323
Contra Costa
San Pablo
Comment
JEPS124459
Carex barbarae
Daniel Slakey with CNPS Volunteers
2015-6-29
135
Contra Costa
Mt. Diablo State Park. Slope above Emmons Canyon, along access trail from Macedo Ranch Staging Area.
Comment
JEPS25138
Carex barbarae
G. Thomas Robbins
1959-5-16
4008
Contra Costa
Caly [clay] banks and rivulet just north of Point Orient, Potrero Hills, overlooking San Francisco Bay, Richmond
Comment
JEPS25239
Carex barbarae
G. Thomas Robbins
1959-8-1
4116
Contra Costa
Las Trampas Creek, about 1 1/2 miles SE of St. Mary's College
182
Comment
JEPS105721
Carex densa
David Gowen
2004-9-13
161
Contra Costa
Mt. Diablo State Park. Johnny Walker Spring, which is ca. .2 mile above the junction of Angel Kerley Rd. (fire trail) and North Gate Rd., approx. 2200' elev.
Comment
UC2028269
Carex globosa
Barbara Ertter
1999-6-12
16708
Contra Costa
Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo.
Comment
UC2028541
Carex globosa
Barbara Ertter
1998-3-7
15927
Contra Costa
Southwest side of Mount Diablo, west end Fossil Ridge Trail.
Comment
CAS-BOT-BC119740
Carex nebrascensis
Walter Knight
1979-6-15
3377
Contra Costa
Crooked Slough. Browns Island.
Comment
UC2028414
Carex praegracilis
Barbara Ertter with Dan Norris
2000-12-3
17553
Contra Costa
South side Mount Diablo, Devils Slide Trail above Sulfur Springs on NW fork of Sycamore Creek
Comment
UC691959
Carex serratodens
Mary L. Bowerman
1933-4-15
1856
Contra Costa
canyon s Arroyo del Cerro (hollow in gully near main stream); Mount Diablo
Comment
UC692014
Carex serratodens
Mary L. Bowerman
1933-5-3
1986
Contra Costa
Alder Creek Mount Diablo
762
Comment
UC2028450
Carex serratodens
Barbara Ertter with Chris Thayer
1996-10-25
15388
Contra Costa
West side of Mount Diablo, South Gate Road just south of junction at Mountain House Creek crossing
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
CDA20549
Carthamus creticus
R. Fonseca
2005-6-2
PDR 1327561
Contra Costa
San Francisco Bay Area; 1171 Chistie Rd, Martinez.
0
Comment
RSA516598
Castilleja affinis
R. C. Bacigalupi, G. Thomas Robbins
1956-5-11
5643
Contra Costa
Near summit of Hampton Road grade, on the Pinole Creek side, over hill north of Bear Creek and leading to Briones Valley School (which is not in Briones Valley).
221
Comment
RSA639387
Castilleja affinis
H. P. Bracelin
1933-6-10
768
Contra Costa
Near crest of hills north of Berkeley above Kensington.
Comment
JEPS43525
Castilleja affinis subsp. affinis
August Hartman
1960-4-19
6 D
Contra Costa
North Gate Road on Mt. Diablo; Mt. Diablo
609
Comment
JEPS75506
Castilleja affinis subsp. affinis
P. F. Yorks
1974-5-19
161
Contra Costa
ca 1.9 km s Bear Creek Rd on Hampton Rd in Hampton Rd Natural Reserve (n of Briones Reservoir)
200
Comment
UC64217
Castilleja affinis subsp. affinis
H. M. Hall
1900-3-23
Contra Costa
San Pablo Creek; San Francisco Bay Region
Comment
UC27158
Castilleja ambigua subsp. ambigua
Jos. Burtt Davy
1900-6-7
6666
Contra Costa
Martinez
Comment
JEPS9949
Castilleja attenuata
W. L. Jepson
1923-4-22
9873
Contra Costa
Mt. Diablo
Comment
JEPS23261
Castilleja densiflora subsp. densiflora
G. Thomas Robbins
1959-4-26
4005
Contra Costa
about 1 mi ne Giant (about 0.25 mi n of San Pablo Oil Tank Farm)
15
Comment
CHSC59823
Castilleja exserta
Linda Osborne
1980-4-5
1
Contra Costa
Los Malinos Jr College, ca. 50 m e of Lake Parcourse handwalk bars and 75 m n.
Comment
CHSC116613
Castilleja exserta subsp. exserta
Lowell Ahart; Josephine Guardino
2016-4-19
20779
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
JEPS10339
Castilleja exserta subsp. exserta
W. L. Jepson
1923-4-22
9859
Contra Costa
Mt. Diablo
Comment
UC27243
Castilleja exserta subsp. exserta
H. P. Chandler
1900-3-24
Contra Costa
Briones Hills; Mount Diablo Region
Comment
UC1328145
Castilleja exserta subsp. latifolia
Olive Dyer
1938-4-6
417
Contra Costa
slope above Big Springs Canyon; Wildcat Canyon
Comment
JEPS84387
Castilleja foliolosa
Roxanne L. Bittman
1977-3-29
28
Contra Costa
ca 3 from base on n side Mount Diablo (Scenic Road)
762
Comment
UC1081509
Castilleja foliolosa
H. L. Mason
1928-3-4
4169
Contra Costa
Shell Ridge
Comment
UC691594
Castilleja foliolosa
Mary L. Bowerman
1931-4-18
730
Contra Costa
basin of ne-fork Sycamore Canyon; Mount Diablo
Comment
UC691651
Castilleja foliolosa
Mary L. Bowerman
1933-3-25
1762
Contra Costa
Diablo Stock Farm (Stone Valley) Canyon (= Emmons Canyon) Stone Valley; Mount Diablo
Comment
UC2028150
Castilleja foliolosa
Barbara Ertter
1998-4-4
15963
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo and Indian Valley School.
Comment
UC691618
Castilleja rubicundula subsp. lithospermoides
Mary L. Bowerman
1935-5-22
3035
Contra Costa
n end Eagle Point ridge; Mount Diablo
289
Comment
CDA29227
Castilleja wightii
D. G. Kelch
2002-6-17
2 .013
Contra Costa
Carquinez Strait; Vaca Canyon. 1.5 kilometers east of Pig Sale on Alhambra Valley Road.
0
Comment
CAS-BOT-BC41039
Caulanthus flavescens
Reed Clark Rollins
1946-3-25
3046
Contra Costa
Western slope of Mount Diablo.
Comment
CDA24865
Caulanthus flavescens
Jim Jokerst
1989-3-31
3078
Contra Costa
East of creek in Brushy Creek Canyon.
0
Comment
CAS-BOT-BC40508
Caulanthus lasiophyllus
A. A. Heller
1908-4-17
8907
Contra Costa
Hills three miles south of Antioch.
18
Comment
CAS-BOT-BC48832
Ceanothus cuneatus
John Thomas Howell
1926-3-7
1664
Contra Costa
Mt. Diablo on old wagon road
Comment
UCD111741
Ceanothus cuneatus
W. Ebeling
1929-3-19
s.n.
Contra Costa
Mount Diablo.
Comment
JEPS48863
Ceanothus cuneatus var. cuneatus
Elsa Kraeger
1926-3-7
Contra Costa
e side Mt. Diablo
Comment
UC1070932
Ceanothus cuneatus var. cuneatus
R. W. Lundh
1933-3-29
222
Contra Costa
1 mi w Alamo; Concord quad
Comment
UC1070938
Ceanothus cuneatus var. cuneatus
H. S. Yates
1936-3-14
5363
Contra Costa
2.5 mi sw Round Valley; Mt. Diablo quad
457
Comment
UC1071130
Ceanothus cuneatus var. cuneatus
R. C. Wilson
1935-2-26
111
Contra Costa
1 mi sw Somersville; Mt. Diablo quad
365
Comment
UC692589
Ceanothus cuneatus var. cuneatus
Mary L. Bowerman
1930-6-10
319
Contra Costa
accross the rd from and slightly below, Muir Area; Mount Diablo
Comment
SBBG68364
Ceanothus cuneatus var. ramulosus
H. E. McMinn
--
Contra Costa
Mt Diablo
Comment
CAS-BOT-BC49716
Ceanothus cuneatus var. rigidus
Brandegee
93
Contra Costa
Nortonville
Comment
CAS-BOT-BC51497
Ceanothus oliganthus var. sorediatus
H. E. McMinn
1922-5-30
108
Contra Costa
Pinehurst
Comment
JEPS42191
Ceanothus oliganthus var. sorediatus
W. L. Jepson
1908-4-4
3003
Contra Costa
West Branch of San Pablo Creek Berkeley hills
Comment
JEPS42309
Ceanothus oliganthus var. sorediatus
H. H. Haworth
1917-5-3
Contra Costa
Redwood Peak Oakland Hills
Comment
UC692590
Ceanothus oliganthus var. sorediatus
Mary L. Bowerman
1932-5-6
1424
Contra Costa
Mitchell Canyon Mount Diablo, Mitchell Canyon
Comment
CHSC69650
Ceanothus ramulosus
James D. Jokerst; Lori May, Dave Magney
1989-4-6
3082
Contra Costa
Parcel 10 (Ladd's Parcel) in watershed.
Comment
CDA18840
Centaurea calcitrapa
J. Vargas
1999-7-19
PDR 1219275
Contra Costa
near the junction of Hwy 4 and Willow Pass Rd., nr. Concord.
0
Comment
CDA7090
Centaurea calcitrapa
T. C. Fuller
1961-9-13
7000
Contra Costa
Highway J4, ca. 4 miles southeast of Byron.
0
Comment
RSA666408
Centaurea repens
Bob Case
2001-10-2
s.n.
Contra Costa
Southeast Pleasant Hill, East Bay Municipal Utilities District right-of-way on West Hookston Road
Comment
UC1491380
Centaurea solstitialis
G. Merrill
1981-7-21
Contra Costa
3 mi w of Camino Diablo Rd. (on Marsh Creek Road)
Comment
CAS-BOT-BC284463
Centaurea solstitialis
Chester Dudley
1931-7-1
s.n.
Contra Costa
Walnut Creek
Comment
JEPS111970
Centaurium davyi
D. G. Kelch
2004-4-26
04 .149
Contra Costa
Point Pinole Pt. Pinole
1
Comment
UC1178020
Centaurium muehlenbergii
Herbert L. Mason
1955-7-14
14637
Contra Costa
0.5 mi e Antioch Bridge
Comment
CDA36467
Centaurium tenuiflorum
Ed Swan
2011-8-18
PDR# 1641228
Contra Costa
Orinda; Bear Creek Road near Fire Trail 43-4.
0
Comment
CDA38378
Centaurium tenuiflorum
D. G. Kelch
2005-6-24
5 .388
Contra Costa
Carquinez Strait Region; Franklin Canyon at McEwen Road.
Comment
JEPS111774
Centranthus ruber
D. G. Kelch
2004-6-19
04 .282
Contra Costa
Crockett-Tormey Headlands. Along railroad tracks west of Carquinez Bridge Crockett (Valona) Contra Costa County CA
20
Comment
CAS-BOT-BC288540
Centromadia fitchii
John Thomas Howell
1930-9-28
5497
Contra Costa
6.3 miles from Byron on the Marsh Creek Rd
Comment
CAS-BOT-BC288545
Centromadia fitchii
James I. McMurphy
1908-10-18
s.n.
Contra Costa
Antioch
Comment
UC1093927
Centromadia fitchii
Herbert L. Mason
1929-9-21
5430
Contra Costa
3 mi above Clayton (Marsh Creek Road)
Comment
CAS-BOT-BC288872
Centromadia parryi subsp. congdonii
J McMurphy
1909-9-24
s.n.
Contra Costa
San Ramon
Comment
CAS-BOT-BC288873
Centromadia parryi subsp. congdonii
R. E. Preston
1998-10-6
1171
Contra Costa
On N side of Camino Tassajara, from Tassajara Hill Elementary School to 0.35 mile W of Finlay Rd
228
Comment
UC1777686
Centromadia parryi subsp. congdonii
R. E. Preston
1998-10-25
1198
Contra Costa
junction of Sycamore Valley Rd and Camino Tassajara Danville
129
Comment
CAS-BOT-BC288882
Centromadia parryi subsp. congdonii
H. M. Hall
1916-10-14
10283
Contra Costa
Pacheco
Comment
CAS-BOT-BC288883
Centromadia parryi subsp. congdonii
John Thomas Howell
1932-10-16
10820
Contra Costa
Near San Ramon
Comment
UCD19693
Centromadia pungens
Donald W. Kyhos
1963-4-11
s.n.
Contra Costa
3.6 miles south of Byron Hwy and Byron Hot Springs Rd.
Comment
CAS-BOT-BC279181
Centromadia pungens subsp. pungens
Walter Knight; Irja Knight; et al
1978-9-5
3224
Contra Costa
Browns Island
Comment
CAS-BOT-BC279204
Centromadia pungens subsp. pungens
David D. Keck
1933-11-2
2613
Contra Costa
3 mi. S. of Martinez on road to Pacheco
Comment
JEPS25331
Centromadia pungens subsp. pungens
Andrew P. Nelson
1961-4-6
713
Contra Costa
about 3 mi s Byron (on Byron Road, near Southern Pacific Railroad crossing)
Comment
JEPS35034
Centromadia pungens subsp. pungens
W. L. Jepson
1895-9-14
Contra Costa
Walnut Creek
Comment
OBI18127
Centromadia pungens subsp. pungens
Robert F. Hoover
1967-4-28
10515
Contra Costa
Byron Hot Springs
Comment
UC523551
Centromadia pungens subsp. pungens
David D. Keck
1933-11-2
2613
Contra Costa
3 mi s Martinez (on road to Pacheco)
Comment
CAS-BOT-BC279188
Centromadia pungens subsp. pungens
David D. Keck
1933-11-2
2617
Contra Costa
2.4 mi. E. of Antioch on road to Oakley, N. Contra Costa County
Comment
CAS-BOT-BC279197
Centromadia pungens subsp. pungens
Alice Eastwood
1923-4-28
11666
Contra Costa
Byron Springs
Comment
CAS-BOT-BC279199
Centromadia pungens subsp. pungens
A. D. E. Elmer
1903-5-1
4392
Contra Costa
Walnut Creek
Comment
CAS-BOT-BC279202
Centromadia pungens subsp. pungens
Volney Rattan
1886-6-15
s.n.
Contra Costa
Pacheco Valley
Comment
CAS-BOT-BC279203
Centromadia pungens subsp. pungens
David D. Keck
1932-7-7
1736
Contra Costa
Just east of Nichols
Comment
CHSC116614
Cerastium glomeratum
Lowell Ahart; Josephine Guardino
2016-4-19
20773
Contra Costa
Undesignted section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
JEPS111783
Cerastium glomeratum
D. G. Kelch
2003-3-21
03 .72
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive
40
Comment
UC1948960
Cerastium glomeratum
William J. Ferlatte, L. Maynard Moe
1970-4-27
1233
Contra Costa
San Francisco Bay: Red Rock Island
Comment
RSA0069381
Cerastium glomeratum
Katie Gallagher, Nick Jensen
2014-4-26
208
Contra Costa
Las Trampas Regional Wilderness.
487
Comment
UC1618283
Ceratophyllum demersum
Barbara Ertter, Lynne Hosley
1991-9-22
10823
Contra Costa
in hills sw of Lafayette (Lafayette Reservoir, at e end of dam); Lafayette Reservoir
137
Comment
RSA666357
Ceratophyllum demersum
Barbara Ertter, Lynne Hosley
1991-9-22
10823
Contra Costa
Lafayette Reservoir in hills SW of Lafayette
137
Comment
CAS-BOT-BC137008
Cercocarpus betuloides var. betuloides
L. R. Abrams
1910-10-8
4355
Contra Costa
Mt. Diablo Summit
1158
Comment
JEPS45531
Cercocarpus betuloides var. betuloides
W. L. Jepson
1920-9-6
9083
Contra Costa
Mount Diablo
Comment
UC691122
Cercocarpus betuloides var. betuloides
Mary L. Bowerman
1931-3-7
548
Contra Costa
summit of Meridian Peak, Mount Diablo Meridian Peak; Mount Diablo, Meridian Peak
Comment
UC34726
Chaenactis glabriuscula var. glabriuscula
Chesnut and Drew
Contra Costa
Summerville
Comment
CDA23076
Chamaesyce maculata
D. G. Kelch, D. A. Weinstein
2008-5-5
8 .093
Contra Costa
Carquinez Strait; Richmond. W Chevy s Hill. N parking lot of Hilltop Mall.
Comment
JEPS99568
Chamaesyce serpillifolia subsp. serpillifolia
Mary Bowerman
1975-9-14
Contra Costa
Mount Diablo, Chase Pond.
Comment
UC2062625
Chamaesyce serpyllifolia var. serpyllifolia
Barbara Ertter with John Ginochio
2002-6-1
17944
Contra Costa
Ginochio house on south side of North Gate Road on NW base of Mount Diablo, lower Arroyo del Cerro.
Comment
CAS-BOT-BC70278
Cheilanthes intertexta
John Thomas Howell
1955-3-6
30145
Contra Costa
between South & North peaks of Mt. Diablo
Comment
UC2027830
Chenopodium californicum
Barbara Ertter with Tony Morosco and other CNPS members
2001-5-6
17622
Contra Costa
Northwest flank of Mount Diablo, south end of Black Point Trail on tributary of White Canyon.
Comment
CDA21590
Chenopodium multifidum
D. G. Kelch, Mike Park
2008-9-1
8 .302
Contra Costa
Carquinez Strait; Lonetree Point. Rodeo Shoreline Park. Rodeo.
Comment
JEPS99594
Chenopodium murale
Mary Bowerman
1993-10-22
Contra Costa
Mount Diablo, Pine Pond.
Comment
JEPS61570
Chlorogalum pomeridianum var. pomeridianum
Edw. L. Greene
1889-5-23
Contra Costa
Byron Springs
Comment
JEPS77018
Chrysolepis chrysophylla var. minor
Robert M. Lloyd
1963-3-17
Contra Costa
on Skyline across from 7090 Skyline Drive (0.5 mi e of intersection of Grizzly Peak Road and Skyline Drive); Skyline Drive, Huckleberry Trail
Comment
JEPS97617
Chrysolepis chrysophylla var. minor
R. D. Stone
1980-7-13
265
Contra Costa
NE of intersection of Skyline Blvd. and Snake Rd. Huckleberry Trail; Oakland Hills, near Alameda-Contra Costa county line
Comment
JEPS89253
Cicendia quadrangularis
J. B. Davy
1900-3-24
6516
Contra Costa
Pt. Richmond
Comment
UC35435
Cicendia quadrangularis
J. Burtt Davy
1900-3-24
7616
Contra Costa
Pt. Richmond
Comment
UC72145
Cicendia quadrangularis
Chesnut and Drew
1889-4-15
Contra Costa
Martinez
Comment
UC1953204
Cirsium occidentale
David Keil with Barbara Ertter et al.
2000-6-18
28815 B
Contra Costa
Mount Diablo State Park. Lower part of Jumper [Juniper] Trail above Laurel Dell picnic area.
Comment
UC691385
Cirsium occidentale var. californicum
Mary L. Bowerman
1934-4-21
2538
Contra Costa
Muir Area, upper brushy edge Mount Diablo, Muir Area
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
JEPS59174
Cirsium occidentale var. venustum
W. L. Jepson
1922-5-23
9655
Contra Costa
s slope, upper third of mt. Mt. Diablo
Comment
UC691382
Cirsium occidentale var. venustum
Mary L. Bowerman
1930-6-18
348
Contra Costa
Dan Cook Canyon Mount Diablo, Dan Cook (Rock City) Canyon
Comment
JEPS111724
Cirsium vulgare
D. G. Kelch
2004-7-9
04 .298
Contra Costa
Crockett - Carquinez Scenic Drive Just west of Pt. Costa
60
Comment
UC691386
Cirsium vulgare
Mary L. Bowerman
1932-11-19
1659
Contra Costa
Lower Grapevine Spring Mount Diablo, Lower Grapevine Spring
Comment
CAS-BOT-BC285728
Cirsium vulgare
Walter Knight
1978-8-27
3194
Contra Costa
Contra Loma Regional Park
30
Comment
SEINET11843056
Cirsium vulgare
Unknown
1983-1
4989
Contra Costa
Castro Ranch Rd between Hillside St. & Alhambra Valley Rd
Comment
UCSC006991
Clarkia
Randall Morgan
1988-4-29
1150
Contra Costa
NW slope of Turn Peaks, Mt. Diablo
Comment
POM181148
Clarkia affinis
J. T. Howell
1931-5-12
6483
Contra Costa
Mt. Diablo.
Comment
UC1122357
Clarkia affinis
C. M. Belshaw
1936-5-13
2113
Contra Costa
3.7 mi ene Tassajero (plot 31); Mt. Diablo Quadrangle
Comment
UC1122360
Clarkia affinis
C. M. Belshaw
1936-5-15
2130
Contra Costa
Stewartsville Mt. Diablo Quadrangle
Comment
UC112975
Clarkia affinis
Katharine Brandegee
1907-6-16
Contra Costa
hills between Antioch and Marsh Creek
Comment
UC1818926
Clarkia affinis
Barbara Ertter, Mary Bowerman
1995-6-11
14255
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
UC2028321
Clarkia affinis
Barbara Ertter, Susan D'Alcamo
1998-6-12
16155
Contra Costa
North Gate Road on west flank of Mount Diablo near Buckle Point.
Comment
UC169380
Clarkia biloba
Katharine Brandegee
June 1905
Contra Costa
Port Costa
Comment
UC692438
Clarkia biloba
Mary L. Bowerman
1930-6-22
355
Contra Costa
Mitchell Canyon Mount Diablo
Comment
UC85528
Clarkia biloba
Katharine Brandegee
1907-7-4
Contra Costa
between Martinez and Port Costa
Comment
UCD104071
Clarkia biloba
C. Thayer
1994-8-1
s.n.
Contra Costa
West side of Lafayette Ridge, Lafayette.
Comment
LA206006
Clarkia biloba subsp. biloba
H. Lewis; M. Lewis
1947-6-15
442
Contra Costa
Martiney - Port Costa Road, 2.7 mi. N of Martiney City Limit
Comment
POM153229
Clarkia biloba subsp. biloba
C. L. Hitchcock
1928-6-5
15
Contra Costa
Between Port Costa and Crockett, 1 mile west of Port Costa.
5
Comment
CAS-BOT-BC164157
Clarkia concinna
A. D. E. Elmer
1903-5-1
4336
Contra Costa
Mount Diablo
Comment
POM153259
Clarkia concinna subsp. concinna
C. L. Hitchcock
1928-6-9
9
Contra Costa
Between Port Costa and Martinez, 1 mile from Port Costa
15
Comment
CAS-BOT-BC171989
Clarkia epilobioides
K. Brandegee
s.n.
Contra Costa
Antioch
Comment
UC2042956
Clarkia gracilis
Barbara Ertter with David Gowen
2007-5-13
19014
Contra Costa
Mount Diablo, W of Prospectors Gap Road just E of junction Meridian Ridge Road.
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
RSA355431
Clarkia heterandra
Anstruther Davidson
1917-07
3289
Contra Costa
Mt. Diabolo [Diablo]
Comment
CAS-BOT-BC163286
Clarkia modesta
Mrs. Brandegee
s.n.
Contra Costa
Antioch
Comment
UC692503
Clarkia purpurea subsp. purpurea
Mary L. Bowerman
1933-7-14
2270
Contra Costa
ridge between two main forks Curry-Cave Canyon; Mount Diablo
Comment
UC692488
Clarkia purpurea subsp. quadrivulnera
Mary L. Bowerman
1933-6-7
2252
Contra Costa
saddle between Meridian Peak and North Peak; Mount Diablo
Comment
UC2028319
Clarkia purpurea subsp. quadrivulnera
Barbara Ertter, Susan D'Alcamo
1998-6-12
16158
Contra Costa
North Gate Road on west flank of Mount Diablo, ca 1/2 mile below upper Turtle Rock Ranch buildings.
Comment
UC1279947
Clarkia rubicunda
Peter H. Raven
1957-7-5
11049
Contra Costa
0.2 mi from tip Point Richmond
106
Comment
UC1481547
Clarkia rubicunda
Neil Havlik
1980-6-6
942
Contra Costa
Several colonies on Brooks Island
Comment
CAS-BOT-BC165449
Clarkia unguiculata
L. R. Abrams
1916-6-30
5702
Contra Costa
Mt. Diablo near lake
Comment
UC692494
Clarkia unguiculata
Mary L. Bowerman
1930-6-3
235
Contra Costa
1.9 mi from North Gate (North Road); Mount Diablo
167
Comment
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
UCD32418
Clarkia unguiculata
Beecher Crampton
1950-5-13
574
Contra Costa
Southwest Walnut Creek.
30
Comment
UC56201
Claytonia exigua subsp. exigua
H. M. Hall
1901-4-5
1759
Contra Costa
Mt. Diablo; San Francisco Bay Region
1158
Comment
UC692660
Claytonia exigua subsp. exigua
Mary L. Bowerman
1932-3-12
1114
Contra Costa
Alamo Canyon (50 ft above stream) Alamo Canyon; Mount Diablo
365
Comment
UC7885
Claytonia exigua subsp. exigua
W. H. Brewer
1862-5-7
1056
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC439170
Claytonia exigua subsp. exigua
Alice Eastwood
1915-5-30
4532
Contra Costa
Unspecified
Comment
CAS-BOT-BC439440
Claytonia parviflora subsp. parviflora
John Thomas Howell
1933-5-14
11252
Contra Costa
Hills east of St. Mary's College
Comment
UC1745431
Claytonia parviflora subsp. parviflora
Annetta M. Carter, Leo Bowerman
1935-6-1
872
Contra Costa
Mt. Diablo. N-facing slope of main ridge running W from peak.
975
Comment
UC2028575
Claytonia perfoliata subsp. intermontana
Barbara Ertter with Stu Garrett
1997-3-29
15539
Contra Costa
West side Mount Diablo, north end of Mothers Trail.
Comment
CAS-BOT-BC440074
Claytonia perfoliata subsp. perfoliata
Mary L. Bowerman
1932-3-12
1111
Contra Costa
Mount Diablo. Alamo Canyon
350
Comment
UC1057451
Claytonia perfoliata subsp. perfoliata
G. Thomas Robbins
1937-4-25
148
Contra Costa
2 mi e Alamo
Comment
UC692539
Claytonia perfoliata subsp. perfoliata
Mary L. Bowerman
1932-3-12
1111
Contra Costa
Alamo Canyon; Mount Diablo
350
Comment
UC7890
Claytonia perfoliata subsp. perfoliata
W. H. Brewer
1862-5-12
1080
Contra Costa
609
Comment
CAS-BOT-BC91362
Clematis lasiantha
Baki Kasapligil
1968-4-24
4270
Contra Costa
Mount Diablo.
Comment
UC691588
Collinsia heterophylla
Mary L. Bowerman
1930-6-7
270
Contra Costa
Mount Diablo, summit of Meridian Peak Meridian Peak; Mount Diablo, Meridian Peak
Comment
UCD102371
Collinsia sparsiflora
Daniel Sanchez-Mata; M. P. Rodriguez-Rojo
2002-4-24
s.n.
Contra Costa
Mount Diablo State Park. Burma Road at Mount Diablo.
470
Comment
RSA32344
Collinsia sparsiflora var. collina
Alice Eastwood
1914-5-30
4529
Contra Costa
Mt. Diablo.
Comment
UC1301187
Collinsia sparsiflora var. collina
Helen K. Sharsmith
1963-3-3
5192 a
Contra Costa
near Moraga (Las Trampas Canyon E of St. Mary's College); Las Trampas Canyon
259
Comment
UC26642
Collinsia sparsiflora var. collina
State Survey
Contra Costa
Mount Diablo
Comment
JEPS6266
Collinsia sparsiflora var. collina
E. W. Hicks
1917-3-24
108
Contra Costa
foot of W slope of Mount Diablo
304
Comment
UC691624
Collinsia tinctoria
Mary L. Bowerman
1935-6-1
3117
Contra Costa
summit Mount Diablo Mount Diablo, summit (towards Devils Pulpit)
1158
Comment
SEINET3860930
Collomia diversifolia
David Gowen
2005-5-28
395
Contra Costa
Mt. Diablo State Park, on Meridian Ridge Rd. (dirt fire road), east of Murchio Gap.; 0
Comment
UC2027981
Conyza bonariensis
Barbara Ertter, Chris Thayer
1996-10-25
15390
Contra Costa
Southwest flank of Mount Diablo, lower South Gate Road just inside park boundary.
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
UC2028964
Conyza floribunda
Barbara Ertter
2003-2-8
18091
Contra Costa
Richmond Field Station (UC-Berkeley), interior open space next to Egret Drive.
Comment
RSA537699
Cordylanthus nidularius
T. I. Chuang
1975-6-29
7517
Contra Costa
Northeast of Deer Flat, Mount Diablo
Comment
UC691481
Cordylanthus pilosus subsp. pilosus
Mary L. Bowerman
1936-8-8
3523
Contra Costa
Emmons Canyon (Diablo Stock Farm [Wattis Ranch] Canyon, W fork Mount Diablo
Comment
RSA666415
Cortaderia jubata
Barbara Ertter
1991-9-28
10854
Contra Costa
[El Cerrito.]
Comment
CDA37420
Cortaderia selloana
D. G. Kelch, Mike Perlmutter
2011-9-23
11 .751
Contra Costa
Immediately north of Discovery Bay.
Comment
UCR7819
Corylus cornuta var. californica
Wm. Horn Jr.
1964-2-26
640226- 01
Contra Costa
San Francisco Bay Region, Flicker Ridge, 1.5 mi SW of Moraga
183
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
CDA21581
Cotoneaster pannosus
D. G. Kelch, Michael Park
2008-9-1
8 .299
Contra Costa
Carquinez Strait; Lonetree Point. Rodeo Shoreline Park. Rodeo.
Comment
CHSC116617
Cotula australis
Lowell Ahart; Josephine Guardino
2016-4-19
20799
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. In the middle of the dirt road, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
UC1795664
Cotula australis
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14055
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, road behind houses traversing north facing slope, mixed forest with much undergrowth.
Comment
UC2028452
Cotula coronopifolia
Barbara Ertter with Joanne Kerbavaz
2000-8-20
17503
Contra Costa
Frog Pond on southeast side of Mount Diablo
Comment
UC691659
Cotula coronopifolia
Mary L. Bowerman
1931-3-29
624
Contra Costa
n side of Cave Point (head of canyon); Mount Diablo; hollow on east side of Cave-Windy ridge
Comment
UCD159362
Cotula coronopifolia
D. S. Park; S. Joslin
2010-6-27
147
Contra Costa
Santa Cruz. Lighthouse Field State Beach. Below W Cliff dr. Growing on rocky outcrops. Scattered individuals.
0
Comment
UCD159506
Cotula coronopifolia
D. S. Park
2010-9-11
254
Contra Costa
Growing along roadside in overflow from wetlands. Rancid water.
5
Comment
JEPS65181
Crassula aquatica
L. R. Heckard
1971-4-15
2486
Contra Costa
s. Byron (field at intersection of Holey Rd.)
Comment
UC692557
Crassula aquatica
Mary L. Bowerman
1935-6-21
3154
Contra Costa
e. Turtle Rock pool; Mt. Diablo
Comment
RSA0068476
Crassula connata
Katie Gallagher, Nick Jensen
2014-4-26
202
Contra Costa
Las Trampas Regional Wilderness.
487
Comment
UC2028072
Crassula tillaea
Barbara Ertter with Tony Morosco
1998-4-12
15995
Contra Costa
Base of Mount Olympia on north side of Mount Diablo, base of quarry NE of Olympia Trail.
Comment
UC762281
Crocanthemum scoparium var. vulgare
R. F. Hoover
1939-5-20
4108
Contra Costa
Head of Markley Canyon
Comment
UC765094
Croton californicus
R. F. Hoover
1937-5-14
2113
Contra Costa
Antioch sand-dunes
Comment
CAS-BOT-BC190081
Crypsis schoenoides
R. E. Frenkel
1964-9-17
864
Contra Costa
On Marsh Creek Road at shore of Marsh-Kellogg Creek Reservoir.
45
Comment
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
RSA0029675
Cryptantha corollata
Barbara Ertter, Susan D Alcamo
1998-6-12
16165
Contra Costa
North Peak Trail from Devil s Elbow on SE side of Mount Diablo summit, steep rocky S-facing bowl.
1037
Comment
JEPS108226
Cryptantha decipiens
David Gowen
2005-5-6
282
Contra Costa
Mt. Diablo State Park. Rocky outcrops on the south side of North Peak.
Comment
JEPS67601
Cryptantha flaccida
Mary L. Bowerman
1930-6-7
269
Contra Costa
Meridian Peak summit Mount Diablo
Comment
UC125955
Cryptantha hooveri
P. B. Kennedy
1908-1
Contra Costa
Antioch
Comment
UC193956
Cryptantha microstachys
Edward Lee Greene
1886-5-24
Contra Costa
Mt. Diablo
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
UC691403
Cryptantha microstachys
Mary L. Bowerman
1934-4-28
2546
Contra Costa
w end Oyster Ridge; Mount Diablo
457
Comment
JEPS67770
Cryptantha nevadensis
R. F. Hoover
1938-5-4
3348
Contra Costa
e of Tassajero Creek
762
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
CDA33492
Cuscuta japonica
Yost
2008-7-17
PDR# 1454020
Contra Costa
Antioch; 5124 Paddock Ct.
0
Comment
UC1197872
Cuscuta subinclusa
Joseph P. Tracy
1932-9-10
10789 E
Contra Costa
Franklin Canyon
152
Comment
UC562483
Cuscuta subinclusa
Joseph P. Tracy
1932-9-10
10789
Contra Costa
Franklin Canyon
152
Comment
UCD33766
Cynara cardunculus
Beecher Crampton
1972-11-21
8888
Contra Costa
2 miles east of Crockett.
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
UCD60088
Cynodon dactylon
Katharine Brandegee
1916-5-8
s.n.
Contra Costa
Byron Springs.
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
SEINET10861237
Cynosurus echinatus
M. Bowerman
1975-6-7
Bowerman s.n.
Contra Costa
Mount Diablo. Big Spring. Shady. Bay, Canyon Oak. But hard packed, semi open where people and horses come to watering trough (bathtub).
Comment
UC698543
Cyperus eragrostis
Thomas Morley
1940-11-21
84
Contra Costa
at upper end where Redwood Creek enters the lake San Leandro Lake
129
Comment
CAS-BOT-BC114615
Cyperus eragrostis
Walter Knight; Harry Reeves
1979-8-25
3407
Contra Costa
In natural marsh E of reservoir. Contra Loma Regional Park near Antioch.
22
Comment
POM264407
Cyperus eragrostis
Thomas Morley
1940-12-3
90
Contra Costa
Upper end of San Leandro Lake near mouth of Redwood Creek
130
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
UCD54038
Cyperus eragrostis
Mrs. H. P. Kelley
1916-5-25
s.n.
Contra Costa
S.P. crossing, San Joaquin River.
Comment
UC692117
Cystopteris fragilis
Mary L. Bowerman
1933-6-3
2243
Contra Costa
summit Mt Diablo
1127
Comment
UC692370
Daucus pusillus
Mary L. Bowerman
1932-4-27
1404
Contra Costa
canyon w. of Riggs Canyon (fork of canyon toward n. end, Oyster Ridge); Mt. Diablo, Oyster Ridge
350
Comment
OBI16153
Deinandra bacigalupii
Robert F. Hoover
1969-8-29
11564
Contra Costa
Raymond Rd and Ames St., Livermore Valley
Comment
JEPS111707
Deinandra corymbosa
D. G. Kelch
2004-5-7
04 .179
Contra Costa
Ca ada del Cierbo Ca ada del Cierbo
40
Comment
JEPS12619
Deinandra kelloggii
Chesnut and Drew
1889-4-18
Contra Costa
Antioch
Comment
UC691948
Delphinium californicum
Mary L. Bowerman
1935-5-30
3091
Contra Costa
rock slide Mount Diablo, Eagle Point Ridge
350
Comment
CAS-BOT-BC9611
Delphinium californicum
Mrs. E. C. Van Dyke
1931-4-1
s.n.
Contra Costa
Cypress Ridge, above Livermore
Comment
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
UC85570
Delphinium hansenii subsp. hansenii
Katharine Brandegee
1907-5
Contra Costa
Bet. Antioch and Marsh Creek
Comment
RSA398649
Delphinium hesperium
E. E. Stanford
1930-5-24
1512
Contra Costa
Marsh Creek Canyon.
Comment
SEINET12086747
Delphinium hesperium
J. T. Howell
1931-1
6482
Contra Costa
North Side of Mt. Diablo
Comment
JEPS6231
Delphinium hesperium subsp. hesperium
Willis L. Jepson
May 23-24 1891
21394
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC9917
Delphinium nudicaule
Alice Eastwood
1915-5-30
4501
Contra Costa
Mt. Diablo
Comment
UC136343
Delphinium parryi subsp. parryi
M. K. Curran
May 1886
Contra Costa
near Antioch
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
UC692138
Delphinium patens subsp. patens
Mary L. Bowerman
1931-3-21
584
Contra Costa
w-facing slope Mount Diablo, Sycamore Canyon
Comment
UC9148
Delphinium patens subsp. patens
J. Burtt Davy
1896-2-29
1263
Contra Costa
Mitchell Canyon, Mt. Diablo
Comment
UC9157
Delphinium patens subsp. patens
Harley P. Chandler
1901-4-5
974
Contra Costa
Mount Diablo
Comment
UC1314933
Delphinium recurvatum
R. F. Hoover
1967-4-28
10511
Contra Costa
Byron Hot Springs
Comment
JEPS51676
Dendromecon rigida
Chesnut and Drew
April, 1890
Contra Costa
Sommersville
Comment
UC60233
Deschampsia cespitosa subsp. beringensis
Jos. Burtt Davy
1900-6-7
6667
Contra Costa
near Martinez Martinez
Comment Read comments Sep 27 2007
CAS-BOT-BC192543
Deschampsia cespitosa subsp. holciformis
Peter H. Raven
1955-6-12
8293
Contra Costa
Just above Antioch
Comment
UC199816
Dicentra chrysantha
V. King Chesnut
1887-9-10
Contra Costa
Mt. Diablo
Comment
UC615579
Dicentra chrysantha
Beryl O. Schreiber
1933-10-5
933
Contra Costa
Mount Diablo road; Mount Diablo
Comment
CAS-BOT-BC500087
Dichelostemma capitatum
James McMurphy
1910-4-9
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC500089
Dichelostemma capitatum
R. F. Hoover
1938-2-21
2756
Contra Costa
Point Richmond
Comment
CAS-BOT-BC500091
Dichelostemma capitatum
John Thomas Howell
1944-7-17
19831
Contra Costa
Canyon of Snow Basin Creek
Comment
UC1051328
Diplacus glutinosus
N. Floy Bracelin
1941-6-15
1399
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
UCD159358
Dipsacus sativus
D. S. Park
2010-6-22
143
Contra Costa
Wildwood canyon. Along trailside. Ditch/waterway. Small population.
80
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
UC872740
Dirca occidentalis
Lewis S. Rose
1939-1-24
39002
Contra Costa
head of Wildcat Canyon Berkeley Hills
426
Comment
SBBG26819
Dirca occidentalis
J. A. Ewan
1934-3-10
8643
Contra Costa
2 mi below Orinda Rd bridge, Wildcat Cyn
Comment
SEINET12194752
Dirca occidentalis
Unknown
1987-1
6009
Contra Costa
Regional Parks Botanic Garden, Tilden Regional Park, Berkeley, orig. from Little Train area 1970
305
Comment
CDA39313
Disporum hookeri
A. G. Murdock
2003-6-2
83
Contra Costa
Carquinez Strait Region; Franklin Canyon - McHarry Ranch Rd.
Comment
UC400146
Disporum hookeri
Ynes Mexia
1929-4-21
2387
Contra Costa
Moraga Valley
Comment
UC692001
Disporum hookeri
Mary L. Bowerman
1931-3-22
606
Contra Costa
Mount Diablo, e fork Alamo Canyon Alamo Canyon; Mount Diablo, Alamo Canyon
Comment
JEPS108532
Distichlis spicata
Lisa Schultheis with Kevin Hintsa
1995-8-20
263 -95
Contra Costa
Mount Diablo. 2.1 mi from North Gate kiosk. along North Gate Road.
Comment
UCD64394
Distichlis spicata var. stolonifera
M. Wiesendanger
1926-6-1
1534
Contra Costa
Richmond.
Comment
UC1123273
Dodecatheon clevelandii subsp. patulum
H. S. Yates
1936-3-14
5356
Contra Costa
1/2 mi n of mouth of Perkins Canyon; Mt. Diablo Quadrangle
Comment
JEPS99973
Dodecatheon hendersonii
S. O'Neil
2003-3-11
SEO 7
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
SBBG5600
Dodecatheon hendersonii
J. M. Tucker
1946-3-24
1387
Contra Costa
hills between Nortonville and Somersville
Comment
UC517947
Dodecatheon hendersonii
John Thomas Howell
1931-3-10
5756
Contra Costa
on Livermore Road 7 mi from Clayton; e side Mt. Diablo, 7 mi from Clayton
Comment
RSA461371
Dodecatheon hendersonii
J. T. Howell
1931-3-10
5756
Contra Costa
East side of Mt. Diablo 7 miles from Clayton on Livermore road.
Comment
JEPS65183
Downingia insignis
L. R. Heckard
1971-4-15
2484
Contra Costa
s of Byron (at intersection of Holey Road)
Comment
RSA424714
Downingia insignis
Aaron Liston
1987-4-27
670 -1
Contra Costa
3 miles S of Byron.
Comment
RSA97189
Downingia insignis
J. T. Howell
1953-4-26
28935
Contra Costa
Between Byron and Byron Hot Springs.
Comment
UC765585
Downingia ornatissima var. eximia
R. F. Hoover
1941-4-12
4841
Contra Costa
2 mi s Antioch
Comment
CDA42719
Dryopteris arguta
A. G. Murdock
2004-2-12
205
Contra Costa
Franklin Canyon - McHarry Ranch Road.
Comment
CDA42720
Dryopteris arguta
A. G. Murdock
2004-2-12
205
Contra Costa
Franklin Canyon - McHarry Ranch Road.
Comment
JEPS111936
Dryopteris arguta
D. G. Kelch
2005-5-1
05 .190
Contra Costa
Crockett - Edwards Canyon
150
Comment
UC606763
Dryopteris arguta
Edward Lee
1936-4-19
1981
Contra Costa
e slope Red Rock; San Francisco Bay
Comment
UC830948
Dudleya cymosa subsp. paniculata
Alice Eastwood
1915-5-30
Contra Costa
near type locality; Mount Diablo
Comment
JEPS25137
Dudleya farinosa
G. Thomas Robbins
1959-5-16
4007
Contra Costa
just s Pt. San Pablo (Potrero Hills); Richmond
Comment
UC2027843
Dysphania ambrosioides
Barbara Ertter with Mary Bowerman
1996-11-1
15398
Contra Costa
North base of Mount Diablo, downstream from Mitchell Canyon parking lot.
Comment
UC2028468
Echinochloa colona
Barbara Ertter
1997-8-24
15776
Contra Costa
Mount Diablo, Summit Road just above Junction Station
Comment
CAS-BOT-BC197108
Echinochloa crus-galli
John Thomas Howell; Gordon H. True
1972-6-29
48942
Contra Costa
Along Byron Hot Springs Road where water has stood, southeast of Byron
Comment
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
CAS-BOT-BC197106
Echinochloa crus-galli
R. E. Frenkel
1963-8-23
274
Contra Costa
On the lot in front of Market Plaza Center on Highway 21, Alamo
79
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
UCD37369
Echinochloa crus-pavonis
Beecher Crampton
1959-9-3
5451
Contra Costa
Contra Costa County, 2 miles north of city of Orinda, Bear Creek, East Bay Municipal Utilities District Project.
Comment
CAS-BOT-BC197226
Echinochloa crus-pavonis
Mary L. Bowerman
1936-10-24
3582
Contra Costa
Mount Diablo. North Road below 2-story house east of North Gate
121
Comment
CAS-BOT-BC291118
Eclipta prostrata
Walter Knight; Irja Knight
1980-8-26
3770
Contra Costa
Hercules
Comment
UC1606287
Egeria densa
Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson
1991-10-20
10864
Contra Costa
just w Antioch marina (accessed from marina); Dow Wetlands Preserve
Comment
JEPS99514
Elatine brachysperma
Mary Bowerman
1975-9-14
Contra Costa
Mount Diablo, Hidden Pond.
Comment
JEPS99522
Elatine brachysperma
Mary L. Bowerman
1975-9-14
Contra Costa
Mount Diablo, Hidden Pond.
Comment
RSA721590
Elatine brachysperma
Mary L. Bowerman
1975-9-14
s.n.
Contra Costa
Mount Diablo.
Comment
JEPS111900
Eleocharis macrostachya
D. G. Kelch
2005-3-24
05 .62
Contra Costa
Point Pinole Southern Pt. Pinole
3
Comment
JEPS99557
Eleocharis macrostachya
Mary Bowerman
1977-6-11
Contra Costa
Mount Diablo, Pine Creek at S end of Castle Rock Park.
182
Comment
UC691971
Eleocharis macrostachya
Mary L. Bowerman
1938-5-28
3645
Contra Costa
Maple Spring, on upper margin, especially in the NW corner Mount Diablo
Comment
SEINET7714036
Ellisia chrysanthemifolia
Chesnut, Drew
1889-4-15
Contra Costa
Martinez
Comment
SBBG122783
Elodea canadensis
B. Ertter, B. Olson
1991-9-28
10841
Contra Costa
S end of San Pablo Reservoir, between Orinda and El Sobrante
91
Comment
SEINET3874805
Elodea densa
L. Thorne, N. Thorne
1987-9-20
s.n.
Contra Costa
The Delta Area, Frank's Tract. Plant growing in the water. Brazilian water-weed, used in aquariums.; 0
Comment
UC756639
Elymus
G. L. Stebbins Jr.
1946-6-9
3656
Contra Costa
2 mi e El Cerrito (near Mira Vista Country Club)
Comment
RSA108326
Elymus X gouldii
Frank W. Gould
1941-5-8
1291
Contra Costa
near Bay at Winehaven (near r Richmond); Altitude near sea level
Comment
RSA108337
Elymus X gouldii
Frank W. Gould
1941-5-6
1288
Contra Costa
2.3 miles from Walnut Creek on Danville road.
Comment
UC692423
Elymus X saundersii
Mary L. Bowerman
1935-6-1
3109
Contra Costa
largest ridge between Ransom Point ridge and Mitchell-Pine divide; Mount Diablo
1066
Comment
SEINET3929470
Elymus condensatus
A. A. Beetle
1941-7-24
1751
Contra Costa
Pt. Richmond on San Francisco Bay.; 0
Comment
JEPS99567
Elymus elymoides
Mary Bowerman
1975-6-7
Contra Costa
Mount Diablo, by Big Spring trail.
Comment
UC2028395
Elymus elymoides var. elymoides
Barbara Ertter with Richard K. Brummitt
1998-5-13
16141
Contra Costa
Black Diamond Mines Regional Preserve in hills south of Pittsburg, south leg of Loughler Loop Trail just west of pass over central ridge, NW-facing slope
Comment
JEPS99562
Elymus glaucus
Mary Bowerman
1995-7-2
Contra Costa
Mount Diablo, (probably Back Canyon or foot trail to Donner Canyon).
Comment
UC691177
Elymus multisetus
Mary L. Bowerman
1933-6-20
2325
Contra Costa
Median Ridge (Donner Canyon) Mount Diablo (w face)
Comment
UCD62491
Elymus multisetus
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
Between Diablo and Summit.
Comment
CDA2043
Elytrigia elongata
T. C. Fuller
1961-9-13
7001
Contra Costa
Hwy J4, ca. 4 miles southeast of Byron.
0
Comment
UC1505156
Elytrigia pontica subsp. pontica
S. W. Edwards
1984-7-29
84 -17
Contra Costa
along hwy 4 at junction with Patterson Pass Rd (just s of Brentwood)
Comment
JEPS1564
Emmenanthe penduliflora
W. L. Jepson
1920-8-12
9075
Contra Costa
Mt. Diablo
Comment
JEPS68926
Epilobium brachycarpum
Edward Lee
1934-9-30
1219
Contra Costa
just se station (roadside); Moraga
Comment
CDA15837
Epilobium brachycarpum
R. M. Case
1999-10-22
PDR 1206167
Contra Costa
San Francisco Bay Area; near Walnut Creek.
0
Comment
UC1606296
Epilobium campestre
Barbara Ertter
1990-9-10
9635
Contra Costa
s Martinez (junction of Alhambra Creek Trail and Old Briones Rd.); Briones Hills, Briones Regional Park, Maricich Lagoon
335
Comment
CDA22547
Epilobium canum
D. G. Kelch, Mike Park
2008-9-1
8 .296
Contra Costa
Carquinez Strait; North of Waterbird Park along RR tracks. E of Martinez.
Comment
CDA38092
Epilobium canum
A. G. Murdock
2003-9-12
197
Contra Costa
Carquinez Strait Region; Crockett - Tormey Headlands. At Superfund overlook.
Comment
UC1745970
Epilobium canum subsp. canum
Annetta M. Carter
1933-11-25
419
Contra Costa
Mount Diablo
Comment
UC521671
Epilobium canum subsp. canum
Joseph Andorfer Ewan
1933-10-15
8023
Contra Costa
water tank at Indian Ceremonial Spr. Mt. Diablo
Comment
CAS-BOT-BC166827
Epilobium canum subsp. latifolium
A. D. E. Elmer
1903-7-1
4620
Contra Costa
Mount Diablo
Comment
UC2070464
Epilobium ciliatum subsp. ciliatum
Barbara Ertter, Diane Lake, Brad Olson, Lynne Hosley, Amy Hiss
1991-8-18
10699
Contra Costa
Browns Island N of Pittsburg near confluence of Sacramento & San Joaquin rivers opposite Pittsburg Marina.
Comment
UCD105799
Epilobium ciliatum subsp. ciliatum
Terri Williamson
1990-5-22
72
Contra Costa
212 Poshard St. Pleasant Hill.
12
Comment
UC84478
Epilobium cleistogamum
Katharine Curran
Jun 1884
Contra Costa
Antioch
Comment Read comments Mar 27 2016
JEPS99501
Epilobium minutum
Mary L. Bowerman
1978-5-14
Contra Costa
Mount Diablo. The old wagon rd. mines trail on E side of Eagle Peak.
Comment
UC1789099
Equisetum arvense
Barbara Ertter
2005-8-18
18637
Contra Costa
San Pablo Reservoir in East Bay Hills, east of San Pablo Dam Road between Richmond and Orinda (EBMUD water storage from Mokelumne River watershed); mudflats left by receding reservoir (being drained for seismic work on dam).
Comment
RSA309336
Equisetum hyemale var. affine
Edward Lee, C. M. Belshaw
1935-7-28
1700
Contra Costa
Western end of Las Trampas Ridge.
427
Comment
CDA4553
Erechtites glomeratus
D. G. Kelch
2005-5-5
5 .218
Contra Costa
Carquinez Strait Region; Point Pinole - Giant Marsh. Giant Salt Marsh.
Comment
UC691864
Ericameria arborescens
Mary L. Bowerman
1933-9-9
2438
Contra Costa
ridge above Frog Pond; Mt. Diablo
Comment
CAS-BOT-BC131504
Ericameria arborescens
H. E. McMinn
1922-3-1
394
Contra Costa
Mt. Diablo, 2 or 3 miles from Tall Gate
Comment
CHSC39489
Ericameria linearifolia
Tyler Williams; V. Oswald
1984-4-18
22
Contra Costa
Mt. Diablo. At turnout ca. 4 yd n of South Park Rd., 0.2 mi sw of Junction Ranger Station in Mt. Diablo State Park.
579
Comment
JEPS117962
Ericameria linearifolia
Holly Forbes and Barbara Keller
2009-5-29
Contra Costa
Mount Diablo State Park, along deer Flat Road, about 0.1 mi beyond Juniper Camp.
Comment
JEPS31296
Ericameria linearifolia
W. L. Jepson
1891-5-23
Contra Costa
Mt. Diablo
Comment
UCSB10767
Ericameria linearifolia
Hayes, Judy
1961-3-30
Contra Costa
2 miles N of South Gate of Mt. Diablo State Park
457
Comment
CAS-BOT-BC300590
Erigeron foliosus var. franciscensis
L. R. Abrams
1916-6-30
5701
Contra Costa
Mt. Diablo near lake
Comment
JEPS79321
Erigeron foliosus var. franciscensis
Edward Lee with Annetta Carter
1935-8-17
1633
Contra Costa
Antioch sand-dunes
Comment
UC691859
Erigeron foliosus var. franciscensis
Mary L. Bowerman
1932-9-5
1550
Contra Costa
e of the meridian Inner Black Hills; Mount Diablo, Inner Black Hills
Comment
UC1818984
Erigeron foliosus var. franciscensis
Barbara Ertter
1994-6-26
12874
Contra Costa
South of Point Molate Beach Park in west Richmond north of San Rafael Bridge, perennial grassland on bluff above beach between park and Point Castro.
Comment
CAS-BOT-BC295717
Erigeron petrophilus var. petrophilus
Joseph Andorfer Ewan
1936-7-5
9735
Contra Costa
Wildcat Creek
Comment
UC1181399
Eriodictyon californicum
Jerry Powell
1960-5-24
Contra Costa
hill between Canyon and Moraga (hill se of canyon); hill between Canyon and Moraga (hill se of canyon)
Comment
CAS-BOT-BC248088
Eriogonum angulosum
H. M. Hall
1916-8-17
10276
Contra Costa
Deer Valley
182
Comment
JEPS112016
Eriogonum fasciculatum subsp. foliolosum
Dean G. Kelch and Andrew G. Murdock
2004-3-19
AGM 233
Contra Costa
Hercules - Carbon.
Comment
CAS-BOT-BC250381
Eriogonum gracile
Mary L. Bowerman
1932-8-27
1524
Contra Costa
Mount Diablo. South of Turtle Rock
Comment
UC1032304
Eriogonum gracile
G. T. Nordstrom
1937-10-28
1409
Contra Costa
1.6 mi nne Somersville; Mt. Diablo Quadrangle
Comment
UC2029081
Eriogonum gracile
Barbara Ertter with Joanne Kerbavaz and Mary Bowerman
2000-8-20
17510
Contra Costa
north side Mount Olympia in Mount Diablo State Park, bulldozed site of former occupation at Zippe Spring.
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
UC737822
Eriogonum luteolum var. luteolum
R. F. Hoover
1940-11-23
4693
Contra Costa
8 mi e on Marsh Creek Road Clayton
Comment
CHSC20713
Eriogonum nudum var. auriculatum
Robert A. Schlising
1963-7-13
2627
Contra Costa
Along Grizzly Peak Blvd, Berkeley-Oakland Hills.
Comment
UC521722
Eriogonum nudum var. auriculatum
Joseph Andorfer Ewan
1933-10-15
8032
Contra Costa
sw slope Mt. Diablo Mt. Diablo
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
CAS-BOT-BC268913
Eriogonum nudum var. auriculatum
Annetta Carter
1940-6-22
1601
Contra Costa
Mount Diablo. Lime Ridge
274
Comment
CAS-BOT-BC268914
Eriogonum nudum var. auriculatum
John Thomas Howell
1929-9-21
4393
Contra Costa
On Marsh Creek Road 8 miles se. of Clayton
Comment
RSA0027715
Eriogonum nudum var. auriculatum
Barbara J. Ertter, Rich Rabeler, Tony Morosco
1997-6-10
15662
Contra Costa
Point Richmond, crest of road.
Comment
UC1229891
Eriogonum nudum var. psychicola
Jerry Powell
1962-8-19
308
Contra Costa
about 2 mi e Antioch
Comment
SEINET3025701
Eriogonum nudum var. psychicola
Barbara J. Ertter
1997-8-18
15766
Contra Costa
Antioch Dunes. Antioch Dunes (USFWS National Wildlife Refuge) on San Joaquin River east of Antioch, southwest corner of refuge north of railroad tracks in former vinyard.
Comment
UC692163
Eriogonum nudum var. pubiflorum
Mary L. Bowerman
1930-9-9
451
Contra Costa
above Gabriel-Hinks' (North Peak); Mount Diablo
Comment
POM89812
Eriogonum truncatum
M. K. Curran
1886-05
s.n.
Contra Costa
Antioch
Comment
UC6492
Eriogonum truncatum
State Survey
1862-5-29
1186
Contra Costa
Camp 71, Marsh's Ranch, Contra Costa Co.
Comment
CAS-BOT-BC262345
Eriogonum vimineum
Joseph Andorfer Ewan
1933-10-15
8022
Contra Costa
S.W. slope Mt. Diablo
Comment
CAS-BOT-BC298506
Eriophyllum confertiflorum
L. Constance
1933-6-25
E 95
Contra Costa
About halfway to the summit of Mount Diablo
Comment
UC507127
Eriophyllum confertiflorum var. confertiflorum
Lincoln Constance
1933-6-25
E 95
Contra Costa
about one - half way to the summit of Mt. Diablo (s slopes)
Comment
UC691725
Eriophyllum confertiflorum var. confertiflorum
Mary L. Bowerman
1933-5-3
1968
Contra Costa
due s of summit Mount Diablo
822
Comment
UC691731
Eriophyllum confertiflorum var. confertiflorum
Mary L. Bowerman
1933-6-3
2225
Contra Costa
2 mi by road from North Entrance; Mount Diablo
Comment
POM301037
Eriophyllum jepsonii
Mary L. Bowerman
1936-5-6
3409
Contra Costa
Uncle Sam Canyon
305
Comment
CAS-BOT-BC300970
Eriophyllum lanatum var. achilleoides
E. E. Stanford
1930-5-24
1513
Contra Costa
Marsh Creek Canyon
Comment
JEPS34599
Eriophyllum lanatum var. achilleoides
W. L. Jepson
1891-5-24
14563
Contra Costa
Mt. Diablo
Comment
UC691687
Eriophyllum lanatum var. achilleoides
Mary L. Bowerman
1933-5-3
1979
Contra Costa
due s of summit Meridian peak; Mt. Diablo, Meridian Peak
731
Comment
CAS-BOT-BC300975
Eriophyllum lanatum var. achilleoides
Mary L. Bowerman
1930-6-28
388
Contra Costa
Mount 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
LA203600
Eriophyllum lanatum var. achilleoides
Lincoln Constance;
1933-6-25
E 94
Contra Costa
Mount Diablo, near the southeastern base
Comment
UC134928
Eriophyllum lanatum var. achilleoides
Katharine Brandegee
1907-6-16
Contra Costa
hills near Antioch
Comment
UC507051
Eriophyllum lanatum var. achilleoides
H. K. Sharsmith and C. W. Sharsmith
1933-4-30
E 17
Contra Costa
Black, Hills; Mount Diablo
304
Comment
JEPS19402
Eriophyllum staechadifolium
G. Thomas Robbins
1937-4-17
124
Contra Costa
cliffs above San Francisco Bay near Point Richmond
Comment
UC1584825
Eriophyllum staechadifolium
Jerry Powell
1987-7-14
1504
Contra Costa
sandstone bluff and back edge of point Molate Beach
Comment
UC1795733
Eriophyllum staechadifolium
Barbara Ertter, Brad Olson
1994-5-7
12759
Contra Costa
S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge
Comment
UC1948936
Erodium cicutarium
William J. Ferlatte, L. Maynard Moe
1970-4-27
1263
Contra Costa
San Francisco Bay: Red Rock Island
Comment
JEPS105685
Erodium macrophyllum
David Gowen
2003-2-23
s. n.
Contra Costa
Black Diamond Mines Regional Park, w-facing hillside ca. 1 km due E of Sidney Flat
Comment
UC17071
Erodium macrophyllum
W. H. Brewer
1862-5-10
1067
Contra Costa
near Kirker Pass
Comment
UC202739
Erodium macrophyllum
Chesnut and Drew
1889-4-18
Contra Costa
Antioch
Comment
UC2032835
Erodium moschatum
Doran, Andrew Scott
2012-3-20
705
Contra Costa
Second highest point on Brooks Island, rocky outcrop overlooking man-made spit.
Comment
UC692705
Erodium moschatum
Mary L. Bowerman
1931-4-4
655
Contra Costa
4.5 mi from entrance Mount Diablo (west road)
Comment
UCD103262
Erodium moschatum
P. B. Kennedy
1925-4-26
s.n.
Contra Costa
Mt. Diablo.
Comment
JEPS15863
Eryngium aristulatum var. aristulatum
W. L. Jepson
1894-9-7
14282
Contra Costa
foot of sharp canyon e. of Bald Peak at Orinda; Berkeley Hills
121
Comment
UC21040
Eryngium aristulatum var. aristulatum
Jos. Burtt Davy
1900-6-7
6660
Contra Costa
near Martinez
Comment
POM312389
Eryngium aristulatum var. aristulatum
S. Galen Smith, Peter Kamb, Francia Chisaki
1951-4-14
433
Contra Costa
Small pond 7 miles north of Walnut Creek, east of Highway 21, 0.2 mile south intersection with Highway 4
Comment
SEINET10693587
Eryngium aristulatum var. aristulatum
Willis L. Jepson
1895-9-1
Jepson s.n.
Contra Costa
Orinda Park.
Comment
UC1584829
Eryngium articulatum
Jerry Powell
1990-8-29
1587
Contra Costa
Antioch Nat'l Wildlife Refuge
Comment
UC691871
Eryngium castrense
Mary L. Bowerman
1935-6-28
3174
Contra Costa
s. Meridian Peak summit (300 yds. e. of meridian fence line); Mt. Diablo
487
Comment
CAS-BOT-BC124232
Eryngium jepsonii
Willis Linn Jepson
1895-9-1
s.n.
Contra Costa
Orinda Park
Comment
CDA38311
Eryngium spinosepalum
H. Van Brocklin
1958-6-1
s.n.
Contra Costa
Byron.
0
Comment
JEPS97706
Eryngium vaseyi
Annetta M. Carter, Tom Morley, Malcolm Nobs
1951-3-25
3006
Contra Costa
3.3 mi. S of Byron.
Comment
UC1122965
Eryngium vaseyi
B. Schreiber
1937-6-12
2400
Contra Costa
Byron Byron Quad., Byron
15
Comment
UC1190973
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
UC1487327
Eryngium vaseyi
Yusuf Sheikh
1974-5-5
587 B
Contra Costa
2.1 mi. s.e. of Byron Post sign on rd. J4 Byron (3.1 mi. s.e. of intersection with Camino Diablo)
Comment
SEINET13944077
Eryngium vaseyi
Lincoln Constance, Reino Alava & Rimo Bacigalupi
1958-1
3661
Contra Costa
open country 3 miles southeast of Byron, San Joaquin Valley. Elev ca 35 ft
11
Comment
CAS-BOT-BC40761
Erysimum capitatum
Alice Eastwood
1915-5-30
4484
Contra Costa
Mount Diablo.
Comment
CAS-BOT-BC40764
Erysimum capitatum
Alice Eastwood
1921-4-18
10285
Contra Costa
Antioch.
Comment
UC1126602
Erysimum capitatum
R. C. Wilson
1935-3-28
152
Contra Costa
1 mi s Mount Diablo; Mt. Diablo Quadrangle
Comment
UC691074
Erysimum capitatum
Mary L. Bowerman
1935-4-26
2915
Contra Costa
w ridge west of Indian Ceremonial Spring (just below Old Stage Rd); Mount Diablo
1005
Comment
UC691082
Erysimum capitatum
Mary L. Bowerman
1931-3-7
551
Contra Costa
Indian Ceremonial Springs Mount Diablo
Comment
UCD114997
Erysimum capitatum var. capitatum
R. F. Hoover
1935-3-10
s.n.
Contra Costa
Antioch.
Comment
SEINET14046171
Erythranthe guttata
Lewis S. Rose
1941-1
41064
Contra Costa
2 mi. w. of Byron.
46
Comment
UC2046330
Erythranthe guttata
Barbara Ertter with Alan Prather
2003-6-7
18201
Contra Costa
Morgan Territory Regional Preserve east of Mount Diablo, creek alongside west end Stone Corral Trail, south of Highland Ridge Trail junction.
Comment
CAS-BOT-BC402980
Eschscholzia californica
Mary L. Bowerman
1933-5-3
1975
Contra Costa
Mount Diablo. Due south of Meridian Peak summit
731
Comment
SEINET11263885
Eschscholzia californica
Barbara Ertter, Tony Morosco
1996-7-27
15039
Contra Costa
Cardinet Oaks Road at crossing of Donner Creek.; 0
335
Comment
UC118493
Eschscholzia californica
T. S. Brandegee
May 1883
Contra Costa
Antioch
Comment
CAS-BOT-BC402985
Eschscholzia californica
A. A. Heller
1908-4-16
8891
Contra Costa
Hills east of Antioch
22
Comment
UC125913
Eschscholzia californica
Katharine Brandegee
1907-6-16
Contra Costa
bet. Antioch and Marsh Creek
Comment
OBI69745
Eucalyptus pulverulenta
Jenn Yost & Matt Ritter, Matt Ritter
2008-11-15
362
Contra Costa
Dan Sekella's House at 1410 Mohr Ct, Walnut Crk
Comment
CDA1171
Eucrypta chrysanthemifolia
D. Kelch
1998-5-14
8
Contra Costa
Mount Diablo; South slope of hill west of Mt. Zion.
Comment
CDA18018
Euphorbia oblongata
R. Fonseca
1999-5-27
PDR 1219265
Contra Costa
Along Franklin Canyon Rd, Martinez.
0
Comment
CDA7731
Euphorbia oblongata
Deviney
2008-4-18
PDR# 1454510
Contra Costa
Carquinez Strait; Pacheco, Waterbird Way X Hwy 680
0
Comment
JEPS100097
Euphorbia oblongata
G. Smick
2003-5-6
GAS 173
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS111951
Euphorbia oblongata
D. G. Kelch
2004-6-6
04 .224
Contra Costa
Martinez - Train Station Downtown Martinez. Alhambra Creek near bay and railroad Station
2
Comment
UC1276068
Euphorbia oblongata
T. C. Fuller
1959-6-25
2679
Contra Costa
ca 4 mi w Martinez; Alhambra Valley
Comment
UCR247571
Euphorbia oblongata
Deviney
2008-4-18
s.n.
Contra Costa
Pacheco, Waterbird Way and Hwy 680
Comment
RSA119277
Euphorbia oblongata
T. C. Fuller
1958-7-30
s.n.
Contra Costa
Contra Costa County: bench above creek and along roadside, Hwy 4, 3 miles W of Martinez
Comment
UC2028954
Euphorbia serpens
Barbara Ertter
2000-7-16
17387
Contra Costa
Lower Pine Creek in Diablo Foothills Regional Park.
Comment
JEPS68932
Euthamia occidentalis
Edward Lee
1934-9-30
1229
Contra Costa
Moraga; just sw of station, tule swamp
Comment
CAS-BOT-BC278272
Festuca californica
J. W. Congdon
1896-5-29
s.n.
Contra Costa
Mt Diablo
Comment
CHSC116605
Festuca microstachys var. pauciflora
Lowell Ahart; Josephine Guardino
2016-4-19
20792
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. Along south side of road exit at Los Vaqueros Marina, 2.3 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
CDA28219
Festuca rubra
A. G. Murdock, D. G. Kelch
2004-5-28
269
Contra Costa
Carquinez Strait Region; Pinole Peak.
Comment
UCD66332
Festuca rubra
P. B. Kennedy
1919-5-1
s.n.
Contra Costa
North Berkeley. Hills.
Comment
JEPS100135
Foeniculum vulgare
A. Langston
2003-7-28
AL 79
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
POM203448
Forestiera pubescens
J. T. Howell
1933-3-29
10905
Contra Costa
Canyon below Nortonville
Comment
CDA8373
Frankenia salina
A. G. Murdock, D. G. Kelch
2005-3-24
319
Contra Costa
Carquinez Strait; Point Pinole.
Comment
JEPS68930
Frankenia salina
Edward Lee
1934-9-30
1226
Contra Costa
Moraga, just se of station Moraga
Comment
CDA39689
Fraxinus latifolia
D. G. Kelch
2003-8-13
3 .143
Contra Costa
Carquinez Strait; Pinole Creek.
Comment
CAS-BOT-BC136074
Fritillaria affinis
Lewis S. Rose
1934-3-7
34047
Contra Costa
Mt. Diablo
Comment
JEPS61961
Fritillaria affinis
W. L. Jepson
1921-5-22
9218
Contra Costa
Mount Diablo, half way up Mount Diablo
Comment
CAS-BOT-BC136072
Fritillaria affinis
Dean William Taylor
1971-3-28
971
Contra Costa
Along Morgan Territory Road
304
Comment
CAS-BOT-BC136073
Fritillaria affinis
Dean William Taylor
1971-3-28
971
Contra Costa
Along Morgan Territory Road
304
Comment
UCD121557
Galium andrewsii
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
Between Diablo and Summit.
Comment
SEINET11170982
Galium andrewsii
M. S. Baker
1904-6-24
s.n.
Contra Costa
Near Summit of Mt. Diablo, Mitchel Canyon Trail
Comment
JEPS124467
Galium andrewsii subsp. gatense
Daniel Slakey with CNPS Volunteers
2015-7-6
140
Contra Costa
Mt. Diablo, along Oak Knoll Trail about 700 meters east of Summit Rd.
Comment
JEPS7032
Galium andrewsii subsp. gatense
Mary L. Bowerman
1930-6-7
283
Contra Costa
Meridian Peak summit Mount Diablo
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
UCSB6254
Galium nuttallii subsp. nuttallii
Keator, Glenn
1959-7-1
Contra Costa
Laurel camp on Mt. Diablo
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
UC2028293
Galium parisiense
Barbara Ertter with Dan Norris
1998-6-18
16221
Contra Costa
West of Rock City area on south side of Mount Diablo, saddle on W Fossil Ridge Trail.
Comment
JEPS112101
Galium porrigens var. porrigens
D. G. Kelch
2003-4-3
03 .357
Contra Costa
Cummings Skyway
134
Comment
JEPS19407
Galium porrigens var. porrigens
G. Thomas Robbins
1937-4-17
116
Contra Costa
near Point Richmond
Comment
JEPS52754
Galium porrigens var. porrigens
Lauramay T. Dempster
1963-5-30
3805
Contra Costa
15 El Toyonal Orinda
Comment
JEPS99945
Galium porrigens var. porrigens
G. Smick
2003-2-20
GAS 51
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC1562738
Galium porrigens var. porrigens
Barbara Ertter with John Little
1989-4-2
8106
Contra Costa
n end El Cerrito, Hillside Park (level portions of old road)
Comment
UC579540
Galium tricornutum
C. M. Belshaw
1936-5-13
2124
Contra Costa
s Horse Valley (ne of Mt. Diablo); Mt. Diablo Quadrangle
121
Comment
JEPS111704
Gamochaeta pensylvanica
D. G. Kelch
2004-5-2
04 .172-B
Contra Costa
Crockett - Edwards Canyon Edwards Canyon
112
Comment
JEPS77009
Garrya elliptica
Robert M. Lloyd
1963-3-17
2137
Contra Costa
across from 7090 Skyline Drive (0.5 mi e of intersection of Grizzly Peak Road and Skyline Drive, on Skyline Drive, Huckleberry Trail); Skyline Drive, Huckleberry Trail
Comment
JEPS77010
Garrya elliptica
Robert M. Lloyd
1963-3-17
2137
Contra Costa
0.5 mi e Grizzly Peak Road intersection with Skyline Drive (on Skyline Drive, across from 7090 Skyline, Huckleberry trail)
Comment
UC634790
Garrya flavescens
H. L. Mason
1926-3-7
2711
Contra Costa
Mount Diablo
Comment
UC876007
Garrya flavescens
Lewis S. Rose
1941-3-22
41054
Contra Costa
near summit Mt. Diablo
1188
Comment
CAS-BOT-BC169945
Garrya fremontii
H. E. McMinn
1922-6-2
88
Contra Costa
Summit of Mt. Diablo
Comment
CAS-BOT-BC282608
Gastridium phleoides
Mary L. Bowerman
1933-5-25
2190
Contra Costa
Oyster Ridge, west end of south face, Mount Diablo
Comment
CDA4659
Geranium dissectum
D. G. Kelch, A. G. Murdock
2003-3-28
3 .089
Contra Costa
Carquinez Strait Region; Rodeo - Lone Tree Point.
Comment
JEPS100093
Geranium dissectum
S. O'Neil
2003-2-18
SEO 1
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS111978
Geranium dissectum
D. G. Kelch
2003-3-28
03 .89
Contra Costa
Rodeo - Lone Tree Point
2
Comment
UC692706
Geranium dissectum
Mary L. Bowerman
1930-6-28
401
Contra Costa
Lower Silver Spring Mount Diablo
Comment
UC1057453
Geranium dissectum
G. Thomas Robbins
1937-4-25
142
Contra Costa
e of La Vista
Comment
JEPS111972
Geranium molle
D. G. Kelch
2004-5-9
04 .203
Contra Costa
Crockett - Edwards Canyon Upper Edwards Canyon
160
Comment
JEPS111980
Geranium molle
D. G. Kelch
2003-3-21
03 .68
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive 2 miles west of Martinez Contra Costa County CA. Grassy hill above cottonwood tree. Just south of end gate of Carquinez Scenic Drive
40
Comment
RSA0029464
Geranium purpureum
Barbara Ertter
2001-5-23
17651
Contra Costa
Campus of UC Berkeley, southwest corner of Haviland Hall.
Comment
UC1719978
Geranium purpureum
Barbara Ertter
2000-5-14
17012
Contra Costa
Mount Diablo Regional Park, Falls Trail at Donner Creek crossing
487
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
CDA28932
Geranium rotundifolium
D. G. Kelch
2009-6-7
9 .351
Contra Costa
Carquinez Strait; Crockett, under Zampa Bridge on N facing slope.
Comment
UC2031458
Gilia achilleifolia subsp. achilleifolia
Barbara Ertter with David Gowen
2014-4-12
21716
Contra Costa
On north side of Prospectors Gap Road ca. 1 mile east of Mount Diablo summit
Comment
UC2022570
Gilia achilleifolia subsp. multicaulis
Lewis S. Rose
1934-3-21
34067
Contra Costa
6 mi E of Clayton.
Comment
UC903221
Gilia capitata subsp. staminea
Ethel Crum
1936-4-5
1746
Contra Costa
two mi w Byron; South Coast Ranges, w of Byron
45
Comment
UC932019
Gilia capitata subsp. staminea
Verne Grant, Alva Grant
1947-4-13
7925
Contra Costa
sand hills by railroad tracks e Antioch; e of Antioch
Comment
UC52464
Gilia clivorum
H. M. Hall
1901-3-17
1652
Contra Costa
Point Richmond Region of San Francisco Bay, Point Richmond
Comment
UC691671
Gilia clivorum
Mary L. Bowerman
1931-3-21
604
Contra Costa
e end Fossil Ridge , Fossil Ridge, e end (Mount Diablo)
Comment
UC691679
Gilia clivorum
Mary L. Bowerman
1935-4-17
2840
Contra Costa
North Road 2 mi from North Gate (Mount Diablo); , North Road
289
Comment
UCR182844
Gilia clivorum
Peter L. Morrell, N. Takebayashi, Diana Wolf, D. E. Krause
1995-5-21
471
Contra Costa
Central Coast, S of Clayton in Mitchell Canyon, above the banks of Mitchell Creek and beneath Eagle Peak
400
Comment
RSA63910
Gilia clivorum
Verne Grant, Alva Grant
1948-5-21
8536
Contra Costa
Game reserve on east slope of Grizzly Peak.
Comment
UC2027715
Gilia clivorum
Barbara Ertter with Stu Garrett
1997-3-29
15524
Contra Costa
West side Mount Diablo, Burma Road above North Gate Road.
Comment
UC2027799
Gilia clivorum
Barbara Ertter with Mary Bowerman, Lisa Schultheis
1995-3-31
13946
Contra Costa
Mount Diablo State Park, steep west-facing bank with outcrops near weir at mouth of Mitchell Canyon
Comment
CHSC21634
Gilia tricolor
Willis Ball
1975-3-9
489
Contra Costa
Contra Loma Regional Park. In area #8. Level mound ca. 450 yds s of main parking lot ca. 750 yds w of Contra Loma Blvd.
76
Comment
RSA49035
Gilia tricolor
Verne Grant, Alva Grant
1949-3-30
8640
Contra Costa
4 miles west of Byron on Marsh Creek road.
Comment
SEINET12278815
Gilia tricolor
J. G. Lemmon
1878-1
s.n.
Contra Costa
side of Mt. Diablo
Comment
UC23867
Gilia tricolor subsp. tricolor
McLean
March 1875
Contra Costa
Concord
Comment
CDA27056
Glycyrrhiza lepidota
D. G. Kelch, A. G. Murdock
2004-6-6
4 .222
Contra Costa
Carquinez Strait Region; Downtown Martinez. Alhambra Creek near bay and railroad station.
Comment
JEPS99527
Gnaphalium palustre
Mary L. Bowerman
1975-9-14
Contra Costa
Mount Diablo, in mud of rivulent leading into Sheepherder's Pond from the spring.
Comment
POM721360
Gnaphalium stramineum
Barbara Ertter, Richard K. Rabeler
1994-6-6
12817
Contra Costa
Point Isabel in S Richmond; on old railroad bed north of Costco.
Comment
CDA6050
Grindelia X paludosa
D. G. Kelch, A. G. Murdock
2003-8-13
3 .103
Contra Costa
Carquinez Strait Region; Martinez Marsh.
Comment
RSA97489
Grindelia camporum
L. S. Rose
1954-9-27
54116
Contra Costa
Byron.
6
Comment
SEINET10925203
Grindelia camporum var. parviflora
John Thomas Howell
1930-9-28
Howell 5496
Contra Costa
Liberty School on Marsh Creek Road, Contra Costa Co.
Comment
CAS-BOT-BC305237
Grindelia hirsutula
Lewis S. Rose
1954-9-27
54116
Contra Costa
Byron
6
Comment
JEPS40435
Grindelia hirsutula
William Turner
1965-11-23
Contra Costa
in the sand hills just e Antioch (along the San Joaquin River); , in the Antioch sand hills
Comment
JEPS41884
Grindelia hirsutula
W. L. Jepson
1895-9-14
Contra Costa
Walnut Creek
Comment
JEPS78613
Grindelia hirsutula
Walter Knight, L. R. Heckard and Bert Johnson
1978-9-28
3297
Contra Costa
Browns Island Botany Cove, Browns Island
Comment
JEPS89200
Grindelia hirsutula
G. Thomas Robbins
1958-10-2
3941
Contra Costa
borders of tidal slough along Southern Pacific R.R. just w Carlson Blvd. (near Stege railroad siding); Richmond
Comment
UC1599357
Grindelia hirsutula
G. Thomas Robbins
1959-4-26
4003
Contra Costa
just n Richmond-San Rafael Bridge (above shore of San Francisco Bay, s of Castro Pt.); Richmond, Potrero Hills
Comment
CAS-BOT-BC305239
Grindelia hirsutula
H. E. McMinn
No date on label
138
Contra Costa
Above Richmond ferry slip
Comment
CAS-BOT-BC305241
Grindelia hirsutula
John Thomas Howell
1929-9-21
4396
Contra Costa
Marsh Creek Road 3.5 miles sw. of Brentwood
Comment
CAS-BOT-BC305248
Grindelia hirsutula
John Thomas Howell
1930-9-28
5486
Contra Costa
Tunnel Road near Oak Spring
Comment
UC2027746
Grindelia hirsutula
Barbara Ertter
1997-1-5
15434
Contra Costa
Ygnacio Valley Road crossing Lime Ridge on northwest side of Mount Diablo.
Comment
UC1292655
Guillenia flavescens
A. R. Kruckeberg
1949-4-16
1735
Contra Costa
2 mi inside old North Entrance (not tollgate); Mount Diablo State Park
Comment
UC1736552
Guillenia flavescens
Dean W. Taylor
1994-3-30
14108
Contra Costa
Mt. Diablo (in Mt. Diablo State Park), 2 miles South along North Gate Road from the North Gate kiosk,
365
Comment
UC796509
Guillenia flavescens
Reed C. Rollins
1946-3-25
3046
Contra Costa
w slope Mount Diablo
Comment
UC691126
Guillenia lasiophylla
Mary L. Bowerman
1930-6-7
291
Contra Costa
Meridian Peak summit Mount Diablo
Comment
CAS-BOT-BC304576
Gutierrezia californica
Lewis S. Rose
1932-10-2
32655
Contra Costa
Marsh Creek Road
Comment
CAS-BOT-BC304578
Gutierrezia californica
Peter Rubtzoff
1954-9-14
1750
Contra Costa
Along lower San Joaquin River, east of Antioch
Comment
UC697195
Gutierrezia californica
Mary L. Bowerman
1938-11-12
3729
Contra Costa
toward crest of hillside n Lime Ridge; Mount Diablo, Lime Ridge
152
Comment
CAS-BOT-BC304581
Gutierrezia californica
Mary L. Bowerman
1938-11-12
3729
Contra Costa
Mount Diablo. Lime Ridge toward crest of hilllside north of break
152
Comment
POM301854
Gutierrezia californica
Mary L. Bowerman
1938-11-12
3729
Contra Costa
Lime Ridge toward crest of hillside N of break between 2 chaparral patches.
152
Comment
UCD85227
Hainardia cylindrica
Katharine Brandegee
1916-5-8
s.n.
Contra Costa
Byron Springs.
Comment
SEINET10893043
Hainardia cylindrica
E. E. Stanford
1930-5-16
Stanford 1485
Contra Costa
Near Old River. Levee.
Comment
UC1050778
Hebe laevis
N. Floy Bracelin
1943-6-6
2147
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
UC1795862
Hedera helix
Barbara Ertter
1994-10-23
13915
Contra Costa
Southwest El Cerrito, north edge Breuner's parking lot, northwest of Albany Hill.
Comment
CAS-BOT-BC309405
Helenium puberulum
L. R. Abrams
1910-10-8
4343
Contra Costa
Mt Diablo
609
Comment
UC566690
Helenium puberulum
H. L. Mason
1924-11-23
1162
Contra Costa
Las Trampas Creek
Comment
CDA6433
Helenium puberulum
T. C. Fuller
1958-7-3
1270 -58
Contra Costa
Carquinez Strait; Highway 4, 4 miles west of Martinez.
0
Comment
JEPS85476
Helianthella castanea
Leonora M. Ellis
1990-5-11
Contra Costa
w Alamo (Horseman's Canyon and canyon to the w); Tice Valley
228
Comment
UC1819046
Helianthella castanea
Barbara Ertter, Lisa Schultheis
1995-4-27
14016
Contra Costa
Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; north-facing open brushy slope with scattered oaks along extension of Valley View road.
182
Comment
UC2013032
Helianthella castanea
Barbara Ertter with Travis Columbus
1990-6-10
9107
Contra Costa
NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill; E-facing steep hillside above junction of Spengler and Blue Oaks trails.
Comment
CAS-BOT-BC305671
Helianthus gracilentus
Mary L. Bowerman
1932-10-1
1602
Contra Costa
Mount Diablo. Mitchell Canyon
Comment
UC407041
Heliotropium curassavicum
Ira L. Wiggins
1930-4-18
4606
Contra Costa
Jersey Isl.
Comment
UC1050535
Helleborus orientalis
N. Floy Bracelin
1944-2-2
1942
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC697141
Helminthotheca echioides
Mary L. Bowerman
1936-10-24
3583
Contra Costa
Mount Diablo, North Road
131
Comment
CAS-BOT-BC305876
Helminthotheca echioides
Walter Knight; Irja Knight
1978-8-14
3160
Contra Costa
Browns Island
Comment
CDA37817
Hemizonia congesta
Godwyn
2012-6-22
PDR# 1641308
Contra Costa
Pleasanton; 7300 Camino Tassajara.
0
Comment
UC201235
Hemizonia congesta subsp. lutescens
H. M. Hall
1914-8-23
9860
Contra Costa
2 km nw San Pablo
15
Comment
CAS-BOT-BC306265
Hemizonia congesta subsp. lutescens
R. E. Frenkel
1963-8-18
260
Contra Costa
On Giant Road, 0.4 mile north of ATSF RR crossing, Richmond
15
Comment
CDA7025
Hemizonia congesta subsp. luzulifolia
D. G. Kelch, A. G. Murdock
2004-7-9
4 .294
Contra Costa
Carquinez Strait Region; Crockett - Carquinez Scenic Drive. East of Crockett West of Bull Valley SA.
Comment
JEPS12596
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1939-4-25
4061
Contra Costa
Richmond Hills
Comment
JEPS38255
Hemizonia congesta subsp. luzulifolia
W. L. Jepson
1940-6-5
19935
Contra Costa
Richmond
Comment
UC201236
Hemizonia congesta subsp. luzulifolia
H. M. Hall
1914-8-23
9858
Contra Costa
Richmond Region of San Francisco Bay, Richmond
Comment
CAS-BOT-BC314850
Hemizonia congesta subsp. luzulifolia
David D. Keck
1932-7-7
1740
Contra Costa
10 miles S. of Brentwood on Vasco Road to Livermore, southerastern Contra Costa County
Comment
CAS-BOT-BC314855
Hemizonia congesta subsp. luzulifolia
Mary L. Bowerman
1931-10-13
1061
Contra Costa
Sycamore Valley west of Sycamore Creek, Mount Diablo
Comment
CAS-BOT-BC314861
Hemizonia congesta subsp. luzulifolia
Mary L. Bowerman
1931-10-13
1061
Contra Costa
Sycamore Valley west of Sycamore Creek, Mount Diablo
Comment
CAS-BOT-BC314866
Hemizonia congesta subsp. luzulifolia
John Thomas Howell
1925-12-6
1612
Contra Costa
Ridge between Redwood Canyon and San Leandro Canyon, Oakland Hills
Comment
CAS-BOT-BC314868
Hemizonia congesta subsp. luzulifolia
Jean L. Pawek
1964-8-29
608
Contra Costa
Tilden Park
Comment
UC990629
Hemizonia congesta subsp. luzulifolia
James I. McMurphy
1909-9-24
Contra Costa
San Ramon Road above Hayward (canyon)
Comment
SEINET8734812
Hemizonia fitchii
L. S. Rose
1941-1
41464
Contra Costa
1 mile east of Walnut Creek
50
Comment
RSA103865
Hemizonia kelloggii
M. K. Curran
1886-04
95
Contra Costa
Antioch.
Comment
POM52253
Hemizonia pungens subsp. pungens
A. D. E. Elmer
1903-05
4892
Contra Costa
Walnut Creek
Comment
UC901877
Heracleum lanatum
L. Constance
1950-6-25
3326
Contra Costa
s. rim Wildcat Canyon (Tilden Park); , Tilden Park
365
Comment
JEPS116939
Hesperevax caulescens
David Gowen
2008-4-21
868
Contra Costa
South of Antioch, in Contra Loma Regional Park off Frederickson Lane. North, to northwest facing slope just NW of parking area for Black Diamond Mines Regional Preserve.
Comment
JEPS111922
Hesperocnide tenella
Dean G. Kelch and Andrew G. Murdock
2004-3-5
AGM 213
Contra Costa
Martinez - Rankin Open Space.
Comment
UC2070646
Hesperocnide tenella
Barbara Ertter
2003-3-28
18117
Contra Costa
Round Valley Regional Preserve, ca 1 mile west of trailhead.
Comment
CAS-BOT-BC167427
Hesperolinon breweri
T. S. Brandegee
1884-5-1
s.n.
Contra Costa
Near Antioch
Comment
CAS-BOT-BC167429
Hesperolinon breweri
Robert F. Hoover
1939-5-20
4106
Contra Costa
Head of Markley Canyon
Comment
CAS-BOT-BC167442
Hesperolinon breweri
Herbert L. Mason
1936-6-14
s.n.
Contra Costa
Ridge running south of Mount Diablo, head of Marsh Creek
Comment
JEPS122864
Hesperolinon breweri
Adam C. Schneider with Yuri P. Springer
2014-5-16
591
Contra Costa
Along hills west of Los Vaqueros Reservoir.
Comment
RSA102173
Hesperolinon breweri
M. K. C.
1885-06
s.n.
Contra Costa
Antioch
Comment
RSA135385
Hesperolinon breweri
Volney Rattan
1886-06
s.n.
Contra Costa
Mount Diablo
Comment
UC558458
Hesperolinon breweri
Herbert L. Mason
1936-6-14
Contra Costa
ridge running s Mount Diablo (head of Creek); Marsh Creek
Comment
UC692695
Hesperolinon breweri
Mary L. Bowerman
1933-6-7
2254
Contra Costa
North Peak Ridge Mount Diablo
1005
Comment
UC692702
Hesperolinon breweri
Mary L. Bowerman
1930-6-22
356
Contra Costa
Mitchell Canyon Mount Diablo
Comment
CAS-BOT-BC167443
Hesperolinon breweri
Mary L. Bowerman
1933-6-7
2254
Contra Costa
North Peak Ridge, exposure south. Mount Diablo
1005
Comment
CAS-BOT-BC167444
Hesperolinon breweri
Walter Knight; Irja Knight
1973-5-31
s.n.
Contra Costa
In the Nortonville coal mine area
341
Comment
UC2028990
Hesperolinon breweri
Barbara Ertter
2000-5-14
17000
Contra Costa
Donner Canyon on north side of Mount Diablo, serpentinitic sites in general area of junction of Donner Canyon, Cardinet Oaks, and Meridian Ridge roads, edged by Arctostaphylos glauca et al.
Comment
JEPS122859
Hesperolinon californicum
Adam C. Schneider with C. Matt Guilliams
2014-5-29
444
Contra Costa
Alongside Blackhawk Ridge Trail, south of its divergence from Knobcone Pine Trail.
Comment
SJSU764
Hesperolinon californicum
D. Bernsdorf
1942-5-30
Contra Costa
Mt Diablo
Comment
UC2062655
Hesperolinon californicum
Barbara Ertter with John Ginochio
2002-6-1
17940
Contra Costa
Ginochio Ranch in Arroyo del Cerro NW side of Mount Diablo, connector road between Government Road and Olofson Homestead.
Comment
CAS-BOT-BC422501
Hesperomecon linearis
A. A. Heller
1908-4-16
8890
Contra Costa
East of Antioch
22
Comment
POM149311
Hesperomecon linearis
C. F. Baker
1903-4-25
2802
Contra Costa
Antioch.
Comment
UC194136
Hesperomecon linearis
Edward Lee Greene
1887-4-15
Contra Costa
Antioch
Comment
UC2028265
Heterocodon rariflorum
Barbara Ertter
1999-6-12
16715
Contra Costa
West Branch Alamo Creek on south flank of Mount Diablo, along unofficial path running from north spur of Black Hawk Ridge Road to south spur off of Knob Cone Point Road (near powerline).
Comment
JEPS99982
Heteromeles arbutifolia
G. Smick
2003-2-20
GAS 50
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC87450
Heterotheca oregona var. scaberrima
J. W. Congdon
Sep 1886
Contra Costa
Comment Read comments Apr 23 2007
JEPS79319
Heterotheca sessiliflora subsp. echioides
Edward Lee with Annetta Carter
1935-8-17
1624
Contra Costa
Antioch; sand-dunes
Comment
UC2028291
Heuchera micrantha
Barbara Ertter, Dan Norris
1998-6-18
16226
Contra Costa
Lower Devil's Slide trail along W Fork Sycamore Creek (madrone Canyon), south side of Mount Diablo.
Comment
UC691425
Hieracium albiflorum
Mary L. Bowerman
1930-10-19
488
Contra Costa
s road at Garden-of-the-Gods; Mount Diablo
Comment
UC16313
Hoita orbicularis
McLean
March, 1875
Contra Costa
Mt. Diablo
Comment
JEPS129820
Holcus lanatus
Dean G. Kelch and Andrew G. Murdock
2005-6-24
05 .386
Contra Costa
Crockett - 5th St. Prairie.
Comment
CDA23596
Holocarpha heermannii
D. G. Kelch
2007-10-6
7 .63
Contra Costa
Carquinez Strait; Fernandez Ranch. Muir Land Trust Property 4.5 km W of Rodeo.
Comment
JEPS111679
Holocarpha heermannii
D. G. Kelch
2003-8-13
03 .129
Contra Costa
Pig Sale
250
Comment
UC1619971
Holocarpha heermannii
Barbara Ertter
1990-9-10
9641
Contra Costa
Briones Hills s of Martinez (throughout Briones Regional Park); Briones Regional Park, Briones Hills
Comment
CAS-BOT-BC325826
Holocarpha heermannii
Lewis S. Rose
1941-10-13
41465
Contra Costa
1 mile east of Walnut Creek
50
Comment
CAS-BOT-BC325828
Holocarpha heermannii
David D. Keck
1933-11-2
2622
Contra Costa
5 mi. S.E. of Clayton on Marsh Creek Road opposite Mt. Diablo
Comment
CAS-BOT-BC325832
Holocarpha heermannii
John Thomas Howell
1930-9-28
5499
Contra Costa
6.3 miles from Byron on teh Marsh Creek Road
Comment
CAS-BOT-BC325833
Holocarpha heermannii
John Thomas Howell
1929-9-21
4389
Contra Costa
5 miles se. of Clayton on Marsh Creek Road
Comment
CAS-BOT-BC325834
Holocarpha heermannii
Lewis S. Rose
1932-10-2
32667
Contra Costa
Walnut Creek
Comment
RSA128986
Holocarpha heermannii
Peter H. Raven
1950-7-5
2484
Contra Costa
Deer Ridge, Mt. Diablo.
884
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
RSA0008457
Holocarpha macradenia
David Powers
1974-10-6
1001
Contra Costa
Pinole, 100-300 feet east of Hwy 80 and 100-300 yards south of Appian Way
Comment
UCD133201
Holocarpha macradenia
Walter Knight; Irja Knight
1978-8-8
3101
Contra Costa
southeast corner of Interstate 80 and Appian Way, 1 mile north of El Sobrante.
Comment
CAS-BOT-BC320246
Holocarpha obconica
L. S. Rose
1941-10-16
41466
Contra Costa
6 miles west of Byron, on the Marsh Creek Road
33
Comment
CAS-BOT-BC320239
Holocarpha obconica
L. R. Abrams
1917-9-13
6723
Contra Costa
Patterson Pass - east side
Comment
CAS-BOT-BC320241
Holocarpha obconica
Margi Oard
1988-10-9
s.n.
Contra Costa
Ca. 2 miles east of junction with Deer Valley Road along north side of Marsh Creek Road
Comment
CAS-BOT-BC320248
Holocarpha obconica
John Thomas Howell
1930-9-28
5501
Contra Costa
On the Marsh Creek Road, 5.4 miles from Byron
Comment
POM298344
Holocarpha obconica subsp. autumnalis
D. D. Keck
1933-11-2
2621
Contra Costa
Deer Valley, 0.5 mile S of road to Brentwood.
Comment
LA27067
Holocarpha virgata
Lewis S. Rose;
1941-10-16
41467
Contra Costa
2 mi. W of Byron
33.0
Comment
CAS-BOT-BC324615
Holocarpha virgata
L. R. Abrams
1916-7-1
5725
Contra Costa
Road between Walnut Creek
Comment
POM299471
Holocarpha virgata subsp. virgata
L. S. Rose
1941-10-16
41467
Contra Costa
2 miles W of Byron.
33
Comment
JEPS112072
Holodiscus discolor
A. G. Murdock
2004-5-28
274
Contra Costa
Pinole Peak
205
Comment
JEPS112080
Holodiscus discolor
D. G. Kelch
2003-8-13
03 .125
Contra Costa
Vaca Canyon
165
Comment
SEINET4090611
Holodiscus discolor
B. C. Templeton
1962-1
sn
Contra Costa
Mountain Diablo.
Comment
CAS-BOT-BC152590
Holodiscus discolor var. discolor
Bonnie Templeton
1962-6-10
s.n.
Contra Costa
Mt. Diablo
Comment
RSA0016873
Hordeum brachyantherum
H. de Forest
1930-5-7
s.n.
Contra Costa
Road near Morage.
Comment
CAS-BOT-BC281257
Hordeum brachyantherum subsp. brachyantherum
John Thomas Howell
1933-5-14
11229
Contra Costa
St. Mary's College
Comment
LA14687
Hordeum jubatum
H. S. Yates;
1936-8-11
6075
Contra Costa
Baxter Creek
1280
Comment
CDA37284
Hordeum marinum subsp. gussoneanum
D. G. Kelch
2011-3-31
11 .07
Contra Costa
Carquinez Strait Region; Richmond, near Point Pinole Regional Park.
Comment
SEINET4182779
Hordeum marinum subsp. gussoneanum
Barbara Ertter, Jim Jokerst, Dave Magney
1989-4-5
8140
Contra Costa
Alkali sink West and adjacent Clifton Court Forebay, circa 15 air miles Southwest of Stockton
0
Comment
UCD85917
Hordeum murinum subsp. glaucum
A. A. Beetle
1942-3-22
2924
Contra Costa
Taber Island. Small island off NW side of Brooks Island in San Francisco Bay.
Comment Read comments Aug 20 2011
CDA29160
Hordeum murinum subsp. leporinum
D. G. Kelch
2006-5-7
6 .145
Contra Costa
Carquinez Strait.; Crockett. Upper Edward s Canyon.
Comment
SEINET11263166
Horkelia californica subsp. dissita
Barbara Ertter, Chris Thayer
1996-10-25
15385
Contra Costa
West side of Mount Diablo, North Gate Road 1.0 roadmiles NW of Junction, spring near road.; 0
579
Comment
CAS-BOT-BC55476
Hornungia procumbens
Alice Eastwood
1914-3-14
s.n.
Contra Costa
Byron Springs.
Comment
CDA24877
Hornungia procumbens
Jim Jokerst
1989-3-28
3057
Contra Costa
Northwest of junction Byron Hot Springs Road and Armstrong Road, northeast of Livermore.
0
Comment
UC1619916
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
SD241719
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.
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
UC1005861
Ilex aquifolium
N. Floy Bracelin
1944-5-13
2690
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
JEPS77005
Iris douglasiana
Robert M. Lloyd
1963-3-17
2134
Contra Costa
0.5 mi e intersection of Grizzly Peak Road and Skyline Drive (on Skyline (across from 7090 Skyline), Huckleberry trail)
Comment
JEPS368
Isoetes orcuttii
J. Burtt Davy
1895-4-7
900
Contra Costa
Antioch
Comment
UCD133390
Iva axillaris
M. Wiesendanger
1926-6-26
1566
Contra Costa
Richmond.
Comment
JEPS22099
Iva axillaris subsp. robustior
G. Thomas Robbins
1958-7-19
3909
Contra Costa
at edge of rock quarry on hills above and just s Castro Pt.; San Francisco Bay, Richmond
Comment
JEPS100045
Juglans californica var. hindsii
G. Smick
2003-5-13
GAS 192
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC1197943
Juglans californica var. hindsii
Joseph P. Tracy
1933-12-1
13130
Contra Costa
along creek between Lafayette and Moraga
Comment
CAS-BOT-BC102306
Juglans hindsii
Barrett Anderson
1987-4-30
3486
Contra Costa
Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD
125
Comment
CAS-BOT-BC102308
Juglans hindsii
L. R. Abrams
1916-7-29
6306
Contra Costa
Walnut Creek
Comment
CAS-BOT-BC109899
Juncus
Walter Knight; Irja Knight
1977-6-27
s.n.
Contra Costa
Sierra Nevada. Las Trampas Wilderness Park. Mahogany Trail near Little Hills Ranch.
Comment
UC691987
Juncus ambiguus
Mary L. Bowerman
1933-4-22
1885
Contra Costa
nw end of Shell Ridge (s of highway (Heather Farm), Mount Diablo); Mount Diablo, Shell Ridge
Comment
UC2028428
Juncus articulatus
Barbara Ertter
1996-9-19
15300
Contra Costa
Antioch Marina, edge of bay in Dow Marsh lands
Comment
UC1795731
Juncus bufonius var. bufonius
Barbara Ertter, Kristin Ertter
1995-7-11
14472
Contra Costa
Sulfur Spring on Pine Cr, Diablo Foothills Regional Park SW of Walnut Creek, marshy wet ground.
121
Comment
CHSC116625
Juncus bufonius var. congestus
Lowell Ahart; Josephine Guardino
2016-4-19
20786
Contra Costa
Below the high water line of Los Vaqueros Reservoir, 1.4 miles northwest of Los Vaqueros Reservoir Mrina, 1.9 miles (air)southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
144
Comment
UC2028458
Juncus effusus var. pacificus
Barbara Ertter with Joanne Kerbavaz and Mary Bowerman
2000-8-20
17514
Contra Costa
South side Mount Diablo, Green Ranch Road at Meridian Springs Creek crossing
Comment
JEPS113079
Juncus gerardi
Barbara Ertter, Steve Matson
2003-5-31
18175
Contra Costa
Martinez Regional Shoreline, brackish marsh along Pickleweed Trail west of Arch Bridge,
Comment
RSA722467
Juncus gerardi
Barbara Ertter, Steve Matson
2003-5-31
18175
Contra Costa
Martinez Regional Shoreline, brackish marsh along Pickleweed Trail west of Arch Bridge.
Comment
CDA15268
Juncus mexicanus
G. F. Hrusa, D. Crowe
1998-5-8
14399
Contra Costa
Sacramento Delta; Drainage ditch parallel to Antioch-Pittsburg Hwy, at E end of Dow Chemical property.
Comment
UC1601775
Juncus occidentalis
Jos. Burtt Davy
1897-4-17
Contra Costa
Point Isabel
Comment
UC2028530
Juncus occidentalis
Barbara Ertter
1998-1-17
15898
Contra Costa
Lime Ridge Open Space at NW foot of Mount Diablo.
Comment
UC2028532
Juncus occidentalis
Barbara Ertter
1998-5-3
16035
Contra Costa
Above SW of fork of Pine Creek at southwest base of Mount Diablo.
Comment
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
JEPS112437
Juncus patens
D. G. Kelch
2004-5-7
04 .200
Contra Costa
Ca ada del Cierbo Ca ada del Cierbo
40
Comment
SEINET6174578
Juncus patens
M. L. Bowerman
1932-11-26
1674
Contra Costa
Patens Spring (on north side of west road between Corral Spring and Boulevard Spring)
Comment
HSC14067
Juncus phaeocephalus
Leo Koch
1940-6-5
1004
Contra Costa
Near highway, 2 mi. S of San Rafael ferry dock
Comment
JEPS112433
Juncus xiphioides
D. G. Kelch
2004-7-9
04 .307
Contra Costa
Arroyo del Hambre Alhambra Creek, Martinez, Near Muir gravesite
60
Comment
UC691979
Juncus xiphioides
Mary L. Bowerman
1933-6-21
2337
Contra Costa
Donner Canyon Mount Diablo
335
Comment
POM203838
Juncus xiphioides
J. T. Howell
1934-5-14
11239
Contra Costa
St. Mary s College.
Comment
POM210639
Juncus xiphioides
Joseph A. Ewan
1933-10-15
8019
Contra Costa
SW slope of Mt. Diablo.
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
RSA352511
Juniperus californica
Mark Morris
1929-03
s.n.
Contra Costa
Mt. Diablo.
Comment
UC1119870
Juniperus californica
H. A. Jensen
1934-8-19
383
Contra Costa
1 mi nw North Peak; Mt. Diablo Quadrangle
Comment
UCR162417
Juniperus californica
David A. Charlet, T. Charlet, Elizabeth Charlet
1991-5-28
710
Contra Costa
Mt. Diablo, 'Juniper Camp'
875
Comment
UCR168453
Juniperus californica
Joseph A. Ewan
1933-10-15
8038
Contra Costa
Coast Range, Mount Diablo, southwest slope
1067
Comment
UC691244
Koeleria macrantha
Mary L. Bowerman
1935-5-16
2992
Contra Costa
Russelman Park Mount Diablo (just s of the n boundary of section 25 (e of gate)); , Russelman Park
Comment
UC692397
Koeleria macrantha
Mary L. Bowerman
1935-5-8
2974 a
Contra Costa
knoll on spur s of Pioneer Camp Mount Diablo; , knoll s of Pioneer Camp
762
Comment
UC691777
Lactuca serriola
Mary L. Bowerman
1930-10-4
483
Contra Costa
Maple Spring Mount Diablo
Comment
CAS-BOT-BC340537
Lactuca serriola
Walter Knight; Irja Knight; J. T. Howell; E. McClintock
1978-9-5
3236
Contra Costa
Browns Island
Comment
CAS-BOT-BC340539
Lactuca serriola
A. D. E. Elmer
1903-7-1
4612
Contra Costa
Port Costa
Comment
UC1618166
Lactuca virosa
Barbara Ertter
1991-3-27
9717
Contra Costa
Hillside Natural Area El Cerrito (along path n of Schmidt Lane)
Comment
UC2029078
Lactuca virosa
Barbara Ertter
2000-7-16
17402
Contra Costa
Lower Pine Creek in Diablo Foothills Regional Park.
Comment
UC912318
Laennecia coulteri
Herbert L. Mason
1929-9-21
5443
Contra Costa
one mile e of junction of Bordon Highway and road to Antioch; Antioch, Borden Highway
Comment
JEPS103664
Lastarriaea coriacea
David Gowen
2003-7-6
Contra Costa
Lime Ridge Open Space, N end
182
Comment
UC2028998
Lasthenia californica
Barbara Ertter
2000-3-30
16915
Contra Costa
North side of Mount Diablo, grassy S-facing hillside between Deer Flat Creek and Bald Ridge, off-trail east of Meridian Ridge Road.
Comment
JEPS10187
Lasthenia californica subsp. californica
W. L. Jepson
1923-4-22
9874
Contra Costa
open hillsides and slopes Mount Diablo
Comment
JEPS106453
Lasthenia conjugens
Barrett Anderson with Thomas Scofield
1995-4-25
4553
Contra Costa
Along Hwy 4 approx. 2.38 km E of Interstate 80--Hwy 4 interchange near Rodeo, along Rodeo Creek.
Comment
JEPS18328
Lasthenia conjugens
E. L. Greene
1887-4-1
Contra Costa
Antioch
Comment
UC33074
Lasthenia conjugens
J. Burtt Davy
1895-4-7
968
Contra Costa
Antioch; ; Antioch, Contra Costa Co.
Comment
CAS-BOT-BC324481
Lasthenia ferrisiae
Alice Eastwood
1914-3-14
3761
Contra Costa
Byron Springs
Comment
JEPS17885
Lasthenia fremontii
Rimo Bacigalupi with G. T. Robbins
1956-3-26
5533
Contra Costa
just s of S. P. R. R. crossing on rd. to Bethany 2.5 mi s of Byron; Head of Italian Slough
6
Comment
UC90074
Lasthenia fremontii
E. L. Greene
1884-4-1
Contra Costa
Byron Springs
Comment
RSA523884
Lasthenia fremontii
Barbara Ertter, Jim Jokerst, D. Magney
1989-4-5
8136
Contra Costa
West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton.
0
Comment
CAS-BOT-BC352926
Lasthenia glaberrima
Kellogg
1870-4-20
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC352928
Lasthenia glaberrima
A. D. E. Elmer
1903-5-1
4321
Contra Costa
Walnut Creek
Comment
POM52865
Lasthenia glaberrima
A. D. E. Elmer
1903-05
4321
Contra Costa
Walnut Creek
Comment
UC90039
Lasthenia glabrata subsp. glabrata
K. Brandegee
1889-5-1
Contra Costa
Antioch
Comment
UC90071
Lasthenia glabrata subsp. glabrata
K. Brandegee
1889-5-1
Contra Costa
Antioch
Comment
UC62988
Lasthenia gracilis
H. M. Hall
1901-4-5
1744
Contra Costa
lower slopes Mt. Diablo
Comment
RSA721598
Lasthenia microglossa
Mary L. Bowerman
1979-4-10
s.n.
Contra Costa
Mount Diablo. Mitchell Canyon opposite upper end of old reservoir.
Comment
SEINET3387255
Lasthenia minor
Lewis S. Rose
1933-3-29
33039
Contra Costa
Nortonville.
Comment
CDA9498
Lasthenia platycarpha
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .223
Contra Costa
Byron Airport.
Comment
UC1314947
Lasthenia platycarpha
R. F. Hoover
1967-4-28
10505
Contra Costa
Byron Hot Springs
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
POM19744
Lathyrus vestitus subsp. vestitus
C. F. Baker
1903-4-28
2944
Contra Costa
Mitchells Canyon, Mt. Diablo.
Comment
CDA27151
Lathyrus vestitus var. vestitus
D. G. Kelch, A. G. Murdock
2005-3-24
5 .071
Contra Costa
Carquinez Strait; Chevy s Hill.
Comment
JEPS112323
Lathyrus vestitus var. vestitus
Dean G. Kelch and Andrew G. Murdock
2005-3-11
05 .037
Contra Costa
Martinez - Franklin Hills; County: Contra Costa; Carq. Shoreline EBRP. Contra Costa County CA. West of Martinez Highschool.
Comment
UC964777
Lathyrus vestitus var. vestitus
Herbert L. Mason
1931-4-5
5829
Contra Costa
road between Marsh Creek and Livermore
Comment
UC692314
Lathyrus vestitus var. vestitus
Mary L. Bowerman
1932-4-16
1362
Contra Costa
Eagle Point ridge, n of 1682 point Mount Diablo
Comment
CDA15250
Lavatera cretica
G. F. Hrusa, D. Crowe
1998-5-8
14381
Contra Costa
Sacramento Delta; Adjacent to Dow Ecological Reserve on Dow Chemical property at Pittsburg.
Comment
CHSC23345
Layia chrysanthemoides
Willis Ball
1975-3-22
497
Contra Costa
In area #5. Field ca. 200 yds due e of main boat ramp.
36
Comment Read comments May 24 2013
UC650363
Layia chrysanthemoides
Ira L. Wiggins
1930-4-17
4572
Contra Costa
s Byron
Comment
JEPS13505
Layia gaillardioides
Robert F. Hoover
1936-4-16
973
Contra Costa
e slope of Bald Peak e of Tilden Regional Park; San Pablo Ridge
Comment
UC30668
Layia gaillardioides
H. P. Chandler
1900-3-24
Contra Costa
Briones Hills; Mount Diablo
Comment
CAS-BOT-BC321080
Layia glandulosa
C. F. Baker
1903-4-27
2939
Contra Costa
Antioch
Comment
CAS-BOT-BC321085
Layia glandulosa
Brandegee
no date on sheet
s.n.
Contra Costa
Antioch
Comment
UC34544
Layia glandulosa
E. R. Drew
1889-4-18
Contra Costa
Comment
UC468839
Layia glandulosa
W. C. Blasdale
1893-5-13
Contra Costa
Comment
UC691547
Layia hieracioides
Mary L. Bowerman
1931-4-19
744
Contra Costa
Tiny flat below Deer Flat
Comment
UC89175
Layia hieracioides
Brandegee
May 1883
Contra Costa
Judsonville
Comment
CAS-BOT-BC327247
Layia hieracioides
David D. Keck
1941-6-5
5307
Contra Costa
Berkeley Hills, Fish Creek Rd., 0.25 mi W of E. portal of Broadway Tunnel
335
Comment
CAS-BOT-BC327249
Layia hieracioides
David D. Keck
1941-6-5
5307
Contra Costa
Berkeley Hills, Fish Creek Rd., 0.25 mi W of E. portal of Broadway Tunnel
335
Comment
CAS-BOT-BC327698
Layia pentachaeta
Brandegee
no date on sheet
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC370665
Layia platyglossa
Alice Eastwood
1915-5-30
s.n.
Contra Costa
Mt. Diablo
Comment
UC1069769
Layia platyglossa
C. M. Belshaw
1936-5-8
2064
Contra Costa
se slope Mt. Diablo; Mt. Diablo Quad.
Comment
UC691490
Layia platyglossa
Mary L. Bowerman
1931-5-7
811
Contra Costa
grassy area near saddle on side North Peak; Mount Diablo, Meridian-North Peak saddle
Comment
UC89326
Layia platyglossa
C. F. Baker
1903-5-28
2874
Contra Costa
Antioch
Comment
UC89330
Layia platyglossa
Brandegee
Apr 1889
Contra Costa
Antioch
Comment
POM202803
Layia platyglossa subsp. platyglossa
L. S. Rose
1933-4-17
33093
Contra Costa
Antioch
Comment
JEPS75303
Lemna gibba
L. R. Heckard
1975-11-2
4211
Contra Costa
nw side Brooks Island (Richmond); , Brooks Island
Comment
UC2029072
Lemna gibba
Barbara Ertter
2000-7-16
17412
Contra Costa
Turtle Rock Ponds on east side of Pine Creek, west side of Mount Diablo.
Comment
UC692083
Lemna minuscula
Mary L. Bowerman
1932-8-27
1518
Contra Costa
s of Turtle Rock (Mount Diablo); Mount Diablo
Comment
UC2027751
Lemna minuta
Barbara Ertter
1996-11-24
15412
Contra Costa
Southwest side of Mount Diablo, streamlet east of Macedo Ranch trailhead.
Comment
JEPS111001
Lepechinia calycina
W. L. Jepson
1921-11-19
9522
Contra Costa
Chamise ridge, Mt. Diablo
Comment
CDA43402
Lepidium acutidens
Michael Pitcairn & Dean Kelch
2015-3-6
s.n.
Contra Costa
South end of the Byron Airport.
Comment
CAS-BOT-BC88706
Lepidium acutidens
Lewis S. Rose
1933-3-29
33041
Contra Costa
Nortonville.
Comment
UCD146720
Lepidium chalepense
G. F. Hrusa; D. Crowe
1998-5-8
14374
Contra Costa
Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg. Adjacent to shore of San Joaquin River.
2
Comment
POM204444
Lepidium dictyotum var. acutidens
J. T. Howell
1933-3-29
10894
Contra Costa
Nortonville
Comment
RSA19373
Lepidium dictyotum var. acutidens
L. S. Rose
1937-3-26
37012
Contra Costa
Byron.
8
Comment
UCD115342
Lepidium didymum
Collector unknown
Date unknown
s.n.
Contra Costa
Jersey Island.
Comment
CAS-BOT-BC89715
Lepidium latifolium
Walter Knight; Joanne Dean
1978-8-14
3170
Contra Costa
Brown Island.
Comment
UC1535348
Lepidium latifolium
Ernest L. Gordon
1987-6-1
Contra Costa
Martinez Regional Shoreline, across from the railroad depot, in park Martinez Regional Shoreline
Comment
JEPS17889
Lepidium latipes
Rimo Bacigalupi with G. T. Robbins
1956-3-26
5527
Contra Costa
Deer Valley, along Deer Valley Road Deer Valley
76
Comment
JEPS53653
Lepidium latipes
W. L. Jepson
1899-4-19
13370
Contra Costa
Moraga Valley
Comment
JEPS116958
Lepidium latipes var. latipes
David Gowen
2008-4-6
841
Contra Costa
East of Marsh Creek Road on north side of Camino Diablo Road, near stock pond.
Comment
CAS-BOT-BC89889
Lepidium nitidum
Alice Eastwood
1914-3-14
3766 a
Contra Costa
Byron Springs.
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
RSA537663
Lepidium nitidum var. oreganum
Barbara Ertter, Jim Jokerst, D. Magney
1989-4-5
8127
Contra Costa
SE Contra Costa: alkali sink W and adjacent to Clifton Court Forebay, ca 15 air miles SW of Stockton
0
Comment
UC10608
Lepidium oxycarpum
J. Burtt Davy
1898-4-8
4263
Contra Costa
Danville
Comment
CDA23067
Lepidium strictum
D. G. Kelch, D. A. Weinstein
2008-5-5
8 .092
Contra Costa
Carquinez Strait; Richmond. W Chevy s Hill. N parking lot of Hilltop Mall.
Comment
JEPS99536
Lepidium strictum
Mary L. Bowerman
1995-5-28
Contra Costa
Mount Diablo, fire road from Macedo Ranch to Wall Pt. Ridge.
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
UC2028122
Leptosiphon androsaceus
Barbara Ertter with Richard K. Brummitt
1998-5-6
16086
Contra Costa
Lower Donner Canyon Road on north base of Mount Diablo, ca 1/2 miles south of Donner cabin site.
Comment
UC2028986
Leptosiphon ciliatus
Barbara Ertter
2000-5-14
17009
Contra Costa
Donner Canyon on north side of Mount Diablo, SW end of Falls Trail between Middle Trail and Donner Creek crossing.
Comment
CAS-BOT-BC324111
Lessingia glandulifera var. glandulifera
T. S. Brandegee
1883-1-1
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC324116
Lessingia glandulifera var. glandulifera
Peter Rubtzoff
1954-9-14
1751
Contra Costa
Along lower San Joaquin River, east of Antioch
Comment
CAS-BOT-BC324118
Lessingia glandulifera var. glandulifera
Alice Eastwood
1921-4-18
10270
Contra Costa
Antioch
Comment
JEPS100184
Lessingia glandulifera var. glandulifera
David Gowen
2003-7-6
s. n.
Contra Costa
Lime Ridge Open Space; Ridge trail in the N section of the park and S of the water tank
Comment
UC88011
Lessingia nemaclada
K. Brandegee
1883
Contra Costa
Antioch
Comment
JEPS79353
Lessingia pectinata var. tenuipes
Edward Lee with Annetta Carter
1935-8-17
1621
Contra Costa
Antioch
Comment
UC1094039
Lessingia pectinata var. tenuipes
Lewis S. Rose
1955-10-17
55185
Contra Costa
Antioch
Comment
RSA59614
Lewisia rediviva
Verne Grant, Alva Grant
1950-5-13
8895
Contra Costa
Saddle between N & Meridian peaks, Mt. Diablo.
Comment
JEPS78895
Leymus X multiflorus
Edward Lee
1935-8-13
1616
Contra Costa
Vaca Canyon; roadside
Comment
CDA39657
Leymus X multiflorus
Slate
2013-5-22
PDR# 1641699
Contra Costa
Concord; Walnut Creek channel upstream of Willow Pass Rd.
0
Comment
POM365328
Leymus condensatus
A. A. Beetle
1941-6-24
1751
Contra Costa
Pt. Richmond on San Francisco Bay
Comment
JEPS129822
Leymus triticoides
Dean G. Kelch
2006-6-23
06 .321
Contra Costa
West Valona. West of the Zampa Bridge above San Pablo Ave.
Comment
JEPS99987
Leymus triticoides
S. O'Neil
2003-7-27
SEO 44
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
RSA108330
Leymus triticoides
Frank W. Gould
1941-5-16
1298
Contra Costa
In roadside ditch, 1/2 mile east of Lafayette on C.S. Highway 24.
Comment Read comments Nov 1 2011
UCD87590
Leymus triticoides
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
Between Diablo and Summit.
Comment
CDA32488
Leymus triticoides
Ball ?
1944-6-9
Contra Costa
El Cerrito
0
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
UC1055944
Lilaea scilloides
Francia Chisaki, Peter Kamb, and S. Galen Smith
1951-4-14
1979
Contra Costa
7 mi n Walnut Creek (e of Highway 21, 0.2 mi s of intersection with Highway 4)
Comment
UC971818
Limnanthes douglasii subsp. rosea
Charles T. Mason Jr.
1948-3-27
1134
Contra Costa
0.1 mi s Byron Hot Springs road (along Byron-Bethany road)
Comment
UC971837
Limnanthes douglasii subsp. rosea
Annetta Carter
1947-3-25
1782
Contra Costa
vernal pool 3.3 mi s Byron
7
Comment
POM311124
Limnanthes douglasii subsp. rosea
Charles T. Mason Jr.
1949-3-17
1239
Contra Costa
In a field along the Byron-Bethany road, 3.3 miles south of Byron.
Comment
SD211624
Limnanthes douglasii var. rosea
Barbara Ertter, Jim Jokerst et al
1989-4-5
8115
Contra Costa
Alkalai sink West and adjacent to Clifton Court Forebay, circa 15 airmiles Southwest of Stockton
Comment
UCD170113
Limnobium laevigatum
R. Breckenridge; K. Filippini
2010-10-1
s.n.
Contra Costa
Sacramento/San Joaquin Delta. Bradford Island.
Comment
UC1563678
Limonium californicum
Barbara Ertter with Elizabeth Neese
1988-10-15
7981
Contra Costa
El Cerrito; marsh w of I-580, w side along Rydin Road n of Central Ave.
Comment
UCD35164
Limonium californicum
Beecher Crampton
1950-8-5
632
Contra Costa
San Pablo Canal, NW of Richmond.
Comment
CDA39056
Limonium sinuatum
D. G. Kelch
2011-6-12
11 .585-B
Contra Costa
Carquinez Strait; Above Point Costa.
0
Comment
UCD33426
Linanthus
Beecher Crampton
1968-3-27
8232
Contra Costa
SE corner of County, ca. 3.5 miles south of Byron.
Comment
UC400968
Linanthus ambiguus
J. G. Lemmon
Contra Costa
Mt. Diablo
Comment
UC23376
Linanthus androsaceus
Brewer
1862-5-22
1139
Contra Costa
ne of Mt. Diablo (hills s of Coal Mines)
Comment
UC30176
Linanthus androsaceus
W. H. Brewer
1862-5-22
1139
Contra Costa
foothills e Mount Diablo
Comment
UC691637
Linanthus androsaceus
Mary L. Bowerman
1931-4-18
716
Contra Costa
Sycamore Canyon Mount Diablo
335
Comment
UC1607629
Linanthus bicolor
Barbara Ertter, Lynne Hosley
1993-4-17
11509
Contra Costa
ca 10 air mi n Livermore (hills in lee of Mt. Diablo, e side of open meadow along Blue Oak trail); Morgan Territory
609
Comment
SEINET12279041
Linanthus bicolor
H. M. Hall
1901-1
1723
Contra Costa
Region of San Francisco Bay, Mt. Diablo
411
Comment
UC1713208
Linanthus bolanderi
Mary L. Bowerman
1935-4-26
2905
Contra Costa
w of Indian Ceremonial Spring; Mount Diablo
1005
Comment
UC1618093
Linanthus ciliatus
Donald G. Nelson
1937-4-29
518
Contra Costa
Road from Pinole south towards Alhambra Road Pinole
Comment
UC932049
Linanthus ciliatus
Verne Grant and Alva Grant
1948-5-15
8503
Contra Costa
on Sommerville to Antioch road; Sommerville Range
Comment
JEPS112263
Lithophragma affine
D. G. Kelch
2003-4-3
03 .358
Contra Costa
Cummings Skyway
134
Comment
JEPS112264
Lithophragma affine
D. G. Kelch
2004-3-12
04 .024
Contra Costa
Pinole Valley; hillside and canyon above Wright Road. Off of Pinole Valley Road.
Comment
JEPS99949
Lithophragma affine
G. Smick
2003-4-3
GAS 67
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC1618055
Lithophragma affine
Donald G. Nelson
1937-3-30
467
Contra Costa
along Marsh Creek Road between Claytonville and Byron; Marsh Creek Road
Comment
UC518019
Lithophragma affine
Lewis S. Rose
1933-4-17
33099
Contra Costa
Walnut Creek
Comment
HSC20215
Lithophragma affine
Greg Bos
1963-3-9
36
Contra Costa
Albany Hill
9
Comment
SEINET3817186
Lithophragma affine
Lewis S. Rose
1933-4-17
33099
Contra Costa
Walnut Creek.
Comment
CAS-BOT-BC435625
Lithophragma heterophyllum
Mary L. Bowerman
1931-3-21
585
Contra Costa
Sycamore Canyon
Comment
UC1088544
Lithophragma heterophyllum
John H. Weiler
1959-1
5944
Contra Costa
along Bear Creek Road
Comment
UC692447
Lithophragma heterophyllum
Mary L. Bowerman
1931-3-21
585
Contra Costa
Sycamore Canyon
335
Comment
UC2028077
Lithophragma heterophyllum
Barbara Ertter, Tony Morosco
1998-4-12
15997
Contra Costa
Base of Mount Olympia on north side of Mount Diablo, talus above quarry NE of Olympia Trail.
Comment
UC2028308
Lithophragma heterophyllum
Barbara Ertter, Susan D'Alcamo
1998-6-12
16195
Contra Costa
East end Bald Ridge Trail W of Prospectors Gap on north side of Mount Diablo summit.
Comment
UC1005823
Lobelia tupa
N. Floy Bracelin
1944-10-15
2815
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC1819053
Logfia filaginoides
Barbara Ertter, Chris Thayer
1995-4-25
13994
Contra Costa
Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd. on north side Black Hawk Ridge.
548
Comment
UC2042870
Logfia gallica
Barbara Ertter with Travis Columbus
1990-6-10
9101
Contra Costa
NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill, trails heading down ridge on N of Briones Peak.
Comment
UCD66671
Lolium temulentum
K. Brandegee
1916-5-9
Contra Costa
Byron Springs.
Comment
JEPS17143
Lomatium dasycarpum subsp. dasycarpum
W. L. Jepson
1918-6-3
7579
Contra Costa
Donner Canyon Mt. Diablo
Comment
UC21279
Lomatium dasycarpum subsp. dasycarpum
H. M. Hall
1901-4-5
1747
Contra Costa
Mt. Diablo
640
Comment
UC692350
Lomatium nudicaule
Mary L. Bowerman
1933-6-7
2251
Contra Costa
Mt. Diablo, North Peak Saddle
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
UC1123054
Lomatium utriculatum
C. M. Belshaw
1936-5-12
2105
Contra Costa
1 mi S of Mt. Diablo summit (Tassajero[sic] Road)
335
Comment
UC2032839
Lomatium utriculatum
Doran, Andrew Scott
2012-3-20
710
Contra Costa
Highest point on Brooks Island, southern part of island overlooking quarry.
Comment
UC691422
Lomatium utriculatum
Mary L. Bowerman
1935-5-30
3096
Contra Costa
between the two ridges which converge at Twin Peaks (Eagle Point ridge) Mount Diablo
350
Comment
CDA42380
Lonicera hispidula
D. G. Kelch
2012-5-27
12 .071
Contra Costa
Carquinez Strait Region; Pinole Valley Park.
Comment
CDA42192
Lonicera hispidula var. vacillans
D. G. Kelch
2004-5-2
4 .167
Contra Costa
Carquinez Strait Region; Edwards Canyon, Crockett.
Comment
CAS-BOT-BC240662
Lonicera interrupta
H. E. McMinn
1922-6-2
91
Contra Costa
N.E. slope of Mt. Diablo
Comment
UC650409
Lonicera involucrata var. ledebourii
Ira L. Wiggins
1930-4-18
4594
Contra Costa
levee on e end Jersey Island
Comment
UC1051199
Lonicera japonica
N. Floy Bracelin
1944-6-11
2723
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC1005863
Lonicera korolkowii
N. Floy Bracelin
1944-5-7
2688
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UCD137367
Lonicera subspicata
M. Wiesendanger
1925-5-1
1480
Contra Costa
San Miguel.
Comment
JEPS12855
Lonicera subspicata var. denudata
Mary L. Bowerman
1932-10-16
1634
Contra Costa
ridge e Median Ridge; Mount Diablo, Donner Canyon basin
487
Comment
UC691757
Lonicera subspicata var. denudata
Mary L. Bowerman
1932-10-9
1630
Contra Costa
e side North Peak (se of the ridge leading directly to North Peak from Gabriel-Hinks'); Mount Diablo
Comment
CAS-BOT-BC200900
Lotus
R. E. Frenkel
1964-2-5
356
Contra Costa
On California Hwy. 21, Market Plaza Center, Alamo
79
Comment
JEPS91400
Lotus corniculatus
Dean W. Taylor
1990-4-23
10636
Contra Costa
ca. 2 miles due W of Byron Hot Springs
30
Comment
JEPS99996
Lotus corniculatus
A. Langston
2003-7-2
AL 58
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC1594184
Lotus corniculatus
Jerry Powell
1992-6-17
1650
Contra Costa
Richmond Field Station
Comment
UC1819023
Lotus corniculatus
Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers
1996-5-11
14637
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
UC775175
Lotus denticulatus
Herbert L. Mason
1945-5-31
Contra Costa
nw of St. Mary's College; Cashion Canyon
Comment
RSA138287
Lotus heermannii
Volney Rattan
1879
Contra Costa
Antioch
Comment
UC15689
Lotus humistratus
State Survey
1800-1
1073
Contra Costa
Mt. Diablo Range
Comment
UC692525
Lotus micranthus
Mary L. Bowerman
1933-4-22
1898
Contra Costa
w of Cave Point; Mount Diablo, Inner Black Hills
Comment
UC692526
Lotus micranthus
Mary L. Bowerman
1931-3-29
616
Contra Costa
East Cave Point Ridge Mount Diablo
Comment
UC692269
Lotus purshianus var. purshianus
Mary L. Bowerman
1938-6-14
3676
Contra Costa
1 mi from North Gate (North Road); Mount Diablo
121
Comment
RSA181412
Lotus strigosus
James I. McMurphy
1910-4-9
s.n.
Contra Costa
Antioch
Comment
JEPS100069
Lotus wrangelianus
G. Smick
GAS 74
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC726775
Lupinus
A. A. Heller
1938-4-9
15019
Contra Costa
near the w end Antioch Bridge; near the w end of the Antioch Bridge
Comment
UC149913
Lupinus affinis
Katharine Brandegee
1911-7-6
Contra Costa
along the RR near Point Isabel; along the RR near Point Isabel
Comment
UC127542
Lupinus albifrons
H. P. Chandler
1900-3-24
586
Contra Costa
Briones Hills
Comment
UC1713207
Lupinus albifrons
C. F. Baker
1903-4-25
2823
Contra Costa
Antioch
Comment
UC764598
Lupinus albifrons
Robert F. Hoover
1935-3-10
300
Contra Costa
Antioch
Comment
UC1129295
Lupinus albifrons var. albifrons
C. M. Belshaw
1936-5-8
2059
Contra Costa
2.25 mi e Clayton; Mt. Diablo quad
381
Comment
UC127018
Lupinus albifrons var. collinus
J. Burtt Davy
1897-4-17
Contra Costa
Point Isabel
Comment
HSC101954
Lupinus albifrons var. douglasii
Nikolaus Gillen, Michelle Bihler
2014-3-20
5
Contra Costa
Mount Diablo State Park. Back Creek Trail.
340
Comment
JEPS25126
Lupinus arboreus
G. Thomas Robbins
1959-4-18
3995
Contra Costa
near and n Pt. Richmond (above Western Drive, western slopes of the Potrero Hills, Richmond); Richmond, near and n of Pt. Richmond
7
Comment
CDA27418
Lupinus bicolor
D. G. Kelch, A. G. Murdock
2005-4-24
5 .166
Contra Costa
Carquinez Strait Region; Franklin Canyon. Collier Hill. West Carbon.
Comment
JEPS112414
Lupinus bicolor
Dean G. Kelch and Andrew G. Murdock
2005-4-15
05 .146
Contra Costa
Rodeo Creek; county: Contra Costa; EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump).
Comment
UC15930
Lupinus bicolor
W. H. Brewer
1862-5-23
1149
Contra Costa
se Monte Diablo; se of Monte Diablo
Comment
UC400153
Lupinus bicolor
Ynes Mexia
1929-4-21
2378 a
Contra Costa
Moraga Valley
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
UCD107322
Lupinus bicolor
L. S. Smith
1916-5-10
s.n.
Contra Costa
Grand View Terrace - m. Richmond.
Comment
UCD32372
Lupinus bicolor
Beecher Crampton
1950-4-1
498 c
Contra Costa
1 mile north of Richmond, near S.P. Railroad tracks.
15
Comment
POM10667
Lupinus bicolor subsp. tridentatus
H. P. Chandler
975
Contra Costa
Between Pine Canyon and the Summit.
Comment
CAS-BOT-BC187864
Lupinus chamissonis
D. E. Breedlove
1963-3-29
4281
Contra Costa
Sacramento River at Antioch
Comment
SEINET10485223
Lupinus densiflorus
Frenkel
1964-4-18
FRENKEL 424
Contra Costa
2.1 mi. E of danville on tassajara rd.
130
Comment
UC692522
Lupinus formosus
Mary L. Bowerman
1936-9-9
3538
Contra Costa
Sycamore Canyon Mount Diablo (small flat valley e of Forces' house); , Sycamore Canyon
274
Comment
UC1613951
Lupinus formosus var. formosus
Charles M. Belshaw
1935-6-24
1033
Contra Costa
Sobrante Hills
Comment
RSA0026155
Lupinus formosus var. formosus
Barbara Ertter, J. Travis Columbus
1990-6-10
9116
Contra Costa
NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill.; grassy hill SE of Alhambra Valley staging area.
152
Comment
UC2029122
Lupinus formosus var. robustus
Barbara Ertter with David Gowen
2013-4-19
21318
Contra Costa
Southwestern Mount Diablo State Park southeast of Walnut Creek, upper end of Little Yosemite Trail at junction with Briones to Mount Diablo Regional Trail.
Comment
OBI59407
Lupinus microcarpus var. densiflorus
Barbara Ertter, Elizabeth Neese
1988-4-24
7450
Contra Costa
Black Diamond Mines Regional Preserve SW of Antioch, N of E-W part of Black Diamond Trl
Comment
UC1562851
Lupinus microcarpus var. densiflorus
Barbara Ertter with Elizabeth Neese
1988-4-24
7450
Contra Costa
n of e-w part of Black Diamond Trail sw Antioch (Black Diamond Mines Regional Preserve); Black Diamond Mines Regional Preserve
Comment
OBI60545
Lupinus microcarpus var. densiflorus
Donald G. Nelson
1937-4-24
516
Contra Costa
On Marsh Crk Rd, in rolling hill country N of Byron
Comment
UC15958
Lupinus microcarpus var. microcarpus
A. Eastwood
1894-5-3
Contra Costa
Antioch
Comment
UC15961
Lupinus microcarpus var. microcarpus
J. Burtt Davy
April 1895
Contra Costa
Antioch
Comment
UC201009
Lupinus microcarpus var. microcarpus
Katharine Brandegee
Aug 1918
Contra Costa
Richmond Annex; El Dorado St. and Sta. Clara Ave.
Comment
UC201028
Lupinus microcarpus var. microcarpus
Katharine Brandegee
June 1918
Contra Costa
Richmond Annex
Comment
UC2028120
Lupinus nanus
Barbara Ertter with Richard K. Brummitt
1998-5-6
16089
Contra Costa
Lower Donner Canyon Road on north base of Mount Diablo, ca 1/2 miles south of Donner cabin site.
Comment
UCD109076
Lupinus nanus
P. B. Kennedy
Date Unknown
1311
Contra Costa
Grand View Terrace - Richmond District.
Comment
UC2031457
Lupinus pachylobus
Barbara Ertter with David Gowen
2014-4-9
21709
Contra Costa
Ridge running SE from Devil's Elbow on south side of Mount Diablo summit
Comment
UC2028168
Lupinus pachylobus
Barbara Ertter
1998-5-3
16075
Contra Costa
Wall Point Ridge on southwest flank of Mount Diablo, near Wall Point.
Comment
JEPS112377
Lupinus succulentus
Dean G. Kelch and Andrew G. Murdock
2003-6-2
87
Contra Costa
Crockett - Eckley; County: Contra Costa; East of pier at base of cliff.
Comment
UC614849
Lupinus succulentus
Beryl O. Schreiber
1932-3-27
153
Contra Costa
near Midway; near Midway
Comment
SEINET8057995
Lupinus succulentus
H. E. Hodge
1956-4-7
13
Contra Costa
Tice Canyon Road in Walnut Creek
61
Comment
UC691937
Luzula comosa
Mary L. Bowerman
1933-5-8
2021
Contra Costa
Mount Diablo , Rock City Ridge, = Fossil Ridge (half way down to canyon bottom Rock City Ridge, = Fossil Ridge)
Comment
UC2028039
Luzula comosa
Barbara Ertter
1998-3-7
15930
Contra Costa
Dan Cook Canyon on southwest side of Mount Diablo.
Comment
OBI21194
Luzula macrantha
G. Thomas Robbins
1959-4-18
3987
Contra Costa
Partial shade of Baccharis pilularis var. consanguinea at edge of Juncus effusus meadow overlooking San Pablo Bay, about 1/2 mile east of Pt. San Pablo, Richmond
8
Comment
UC1178022
Lythrum californicum
Herbert L. Mason
1955-7-14
14636
Contra Costa
1/2 mi e of Antioch Bridge
Comment
POM300654
Lythrum californicum
Mary L. Bowerman
1932-12-5
1681
Contra Costa
Willow Spring (near W road, N of Blvd Spring.
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
JEPS111529
Lythrum hyssopifolia
D. G. Kelch
2005-5-5
05 .213
Contra Costa
Point Pinole - Giant Marsh
3
Comment
JEPS112518
Lythrum hyssopifolia
D. G. Kelch
2004-6-6
04 .225
Contra Costa
Martinez - Train Station Downtown Martinez. Alhambra Creek near bay and railroad Station.
2
Comment
UCD150881
Lythrum hyssopifolia
James A. Neilson Jr.
1972-11-2
3617
Contra Costa
Walnut Creek drainage. Elevation estimated using Google Earth by label maker.
1
Comment
UC2028361
Lythrum hyssopifolia
Barbara Ertter with Tony Morosco
1998-7-11
16364
Contra Costa
North base of Mount Diablo, margin of small pond on north side of Bruce Lee Road east of Mitchell Canyon staging area
Comment
UC1619945
Lythrum tribracteatum
Barbara Ertter, Brad Olson
1991-9-28
10834
Contra Costa
San Pablo Reservoir between Orinda and El Sobrante; dried mud flats at S end of reservoir
91
Comment
CAS-BOT-BC342681
Madia elegans
Mary L. Bowerman
1936-9-10
3542
Contra Costa
Mount Diablo. Donner Canyon
335
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
UC89384
Madia exigua
Katharine Brandegee
June 1892
Contra Costa
Port Costa
Comment
CAS-BOT-BC344325
Madia exigua
Joseph Andorfer Ewan
1936-5-24
9693
Contra Costa
West slope Bald Peak
Comment
JEPS99484
Madia exigua
Mary Bowerman
1978-5-14
Contra Costa
Mount Diablo. The old wagon trail to mines on E. side of Eagle Peak.
Comment
CDA28835
Madia gracilis
D. G. Kelch, Jessica Kolman
2009-5-29
9 .314
Contra Costa
Carquinez Strait; Pinole Valley Park, near ridgetop.
Comment
UC691765
Madia gracilis
Mary L. Bowerman
1931-4-25
754
Contra Costa
two mi by road from west entrance = North Gate; Mount Diablo
Comment
UC691766
Madia gracilis
Mary L. Bowerman
1935-5-22
3052
Contra Costa
saddle w Twin Peaks (Eagle Point ridge); Mount Diablo
Comment
UC697158
Madia gracilis
Mary L. Bowerman
1933-6-3
2241
Contra Costa
Ransom Point Ridge Mount Diablo
Comment
UC697160
Madia gracilis
Mary L. Bowerman
1933-5-8
2018
Contra Costa
near crest Fossil Ridge (on n side by side road); Mount Diablo
Comment
CAS-BOT-BC324486
Madia radiata
R. F. Hoover
1938-3-25
2898
Contra Costa
Lone Tree Valley
Comment
CAS-BOT-BC324488
Madia radiata
K. Brandegee
1908-4-9
50
Contra Costa
Near Antioch
Comment
CAS-BOT-BC8141
Madia radiata
Albert Kellogg
s.n.
Contra Costa
Antioch
Comment
UC830900
Madia radiata
A. A. Heller
1938-4-9
15015
Contra Costa
3 mi sw Antioch
Comment Read comments Aug 21 2017
SEINET11601587
Madia radiata
K. Brandegee
1908-4-9
50
Contra Costa
Near Antioch
Comment
CDA23595
Madia sativa
D. G. Kelch
2007-9-8
7 .568
Contra Costa
Carquinez Strait; Pinole Valley Park.
Comment
UC33195
Madia sativa
Jos. Burtt Davy
1895-1
Contra Costa
Moraga Pass
Comment
POM267969
Madia sativa
D. D. Keck
1941-6-5
5310
Contra Costa
Berkeley Hills, Fish Creek Road 1/4 mile W of E portal of Broadway Tunnel.
335
Comment
UC2027972
Madia sativa
Barbara Ertter with Richard Rabeler, Tony Morosco
1997-6-10
15664
Contra Costa
Point Richmond, crest of road.
Comment
CAS-BOT-BC206330
Malacothamnus fremontii
Lewis S. Rose
1954-6-29
54081
Contra Costa
Nortonville.
Comment
UC185544
Malacothamnus fremontii
Katharine Brandegee
May 1883
Contra Costa
Base of Mt. Diablo
Comment
UC692620
Malacothamnus fremontii
Mary L. Bowerman
1933-5-21
2158
Contra Costa
on ridge between main forks (head of Grape Spring gully) Mount Diablo, Sulplhur Spring Canyon
Comment
RSA721597
Malacothrix clevelandii
Mary L. Bowerman
1978-5-14
s.n.
Contra Costa
Mount Diablo; old wagon trail to mine on east face of Eagle Peak
Comment
POM53214
Malacothrix floccifera
C. F. Baker
1903-4-28
2948
Contra Costa
Marsh Creek, Mt. Diablo.
Comment
JEPS111542
Malva pseudolavatera
D. G. Kelch
2003-3-28
03 .83
Contra Costa
Rodeo - Lone Tree Point
2
Comment
CDA35747
Malvella leprosa
D. G. Kelch, Andrew G. Murdock
2004-7-9
4 .306
Contra Costa
Carquinez Strait; Alhambra Creek, Martinez, near Muir gravesite, Arroyo del Hambre.
Comment
CDA9368
Malvella leprosa
D. G. Kelch
2006-7-14
6 .332
Contra Costa
Between Rte 4 and Carbon Rd. E Rodeo.
Comment
UC2028044
Marah fabacea
Barbara Ertter
1998-3-1
15924
Contra Costa
Diablo Foothills Regional Park, Ridge Trail on ridge east of Old Borges Ranch.
Comment
UC691462
Marrubium vulgare
Mary L. Bowerman
1930-6-26
376
Contra Costa
junction of Riggs Canyon Rd and Livermore Rd Mount Diablo
Comment
CDA9493
Marsilea vestita
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .217
Contra Costa
Byron Airport.
Comment
UC1586020
Marsilea vestita subsp. vestita
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8131
Contra Costa
ca. 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay); se Contra Costa Co.
Comment
UCD164887
Matricaria discoidea
Henry House
1995-4-30
1995- 8
Contra Costa
About 1 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd.
60
Comment
JEPS100115
Medicago arabica
G. Smick
2003-5-8
GAS 180
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC16087
Medicago polymorpha
J. Burtt Davy
1897-4-17
Contra Costa
Point Isabel
Comment
POM11730
Medicago polymorpha
Katherine Brandegee
s.n.
Contra Costa
Byron Hot Springs.
Comment
CDA4230
Medicago sativa
D. G. Kelch, A. G. Murdock
2004-5-21
4 .219
Contra Costa
Carquinez Strait Region; Cummings Skyway. Exit from I-80 to Cummings Skyway.
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
RSA762310
Melica californica
William J. Ferlatte, L. M. Moe
1970-4-27
1260
Contra Costa
San Francisco Bay, Red Rock Island.
Comment
SEINET10893688
Melica californica
M. Bowerman
1991-5-21
Bowerman s.n.
Contra Costa
Mount Diablo. Jim White Trail [Deer Flat Rd]. South side of Juniper-Moses Rock Trail near Deer Flat junction. Large silvery patches scattered over S-facing hillside.
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
UC1153843
Melica imperfecta
Beecher Crampton
1956-5-14
3405
Contra Costa
s boundary Mt. Diablo State Park
Comment
UC692463
Melica imperfecta
Mary L. Bowerman
1935-5-3
2956
Contra Costa
hillside below Jungle of the Garden Gods (Fossil Ridge (Rock City Ridge)); Mount Diablo, Fossil Ridge (Rock City Ridge)
457
Comment
CAS-BOT-BC281432
Melica imperfecta
Walter Knight
1972-4-1
s.n.
Contra Costa
Mallard Slough between Port Chicago and Pittsburg
Comment
CAS-BOT-BC281433
Melica imperfecta
Mary L. Bowerman
1931-4-18
714
Contra Costa
Mount Diablo. Sycamore Canyon: moist bank where the chaparral does not extend down to the trail
335
Comment
SEINET10926310
Melica imperfecta var. flexuosa
Virginia E. Long
1933-6-14
Long 221 a
Contra Costa
Mt. Diablo. On slope S.E.-E. along first west fork from Curry Creek trail.
335
Comment
CAS-BOT-BC262506
Melica torreyana
John Thomas Howell
1933-5-14
11257
Contra Costa
Hills east of St. Mary's College
Comment
SEINET1910265
Melica torreyana
Barbara Ertter, John Little
1989-1
8111
Contra Costa
Hillside Park in El Cerrito, +/- undisturbed vegetation on steep W facing slope
Comment
UC1948967
Melica torreyana
William J. Ferlatte, L. Maynard Moe
1970-4-27
1249
Contra Costa
San Francisco Bay: Red Rock Island
Comment
UC1948968
Melica torreyana
William J. Ferlatte, L. Maynard Moe
1970-4-27
1228
Contra Costa
San Francisco Bay: Red Rock Island
Comment
CAS-BOT-BC262508
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: Woodland
1066
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
UCD161481
Melica torreyana
A. A. Beettle
1941-3-28
1723
Contra Costa
near Orinda.
Comment
CHSC116633
Melilotus indicus
Lowell Ahart; Josephine Guardino
2016-4-19
20801
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. Below the high water line of Los Vaqueros Reservoir, 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.
144
Comment
UC407395
Melilotus indicus
Ira L. Wiggins
1930-4-18
4599
Contra Costa
Jersey Island
Comment
CDA1109
Melissa officinalis
D. G. Kelch
2005-7-14
5 .462
Contra Costa
Carquinez Strait Region; Arroyo del Hambre; Franklin Creek near Glen Frazier.
Comment
UCD150883
Mentha X piperita
James A. Neilson Jr.
1972-11-9
s.n.
Contra Costa
Walnut Creek drainage. Elevation estimated using Google Earth by label maker.
1
Comment
RSA756364
Mentzelia affinis
Barbara Ertter
1991-5-5
9773
Contra Costa
Black Diamond Mines Regional Preserve south of Pittsburg, south side of Rose Hill above Nortonville Pass.
366
Comment
JEPS42778
Mentzelia micrantha
W. L. Jepson
1919-6-8
8331
Contra Costa
Mt. Diablo
Comment
RSA296862
Mentzelia micrantha
W. L. Jepson
1919-6-8
83314
Contra Costa
Mt. Diablo
Comment
UC697192
Mentzelia micrantha
Mary L. Bowerman
1933-5-2
Contra Costa
Below Pioneer Camp (and slightly east); Mount Diablo
762
Comment
JEPS111949
Mercurialis ambigua
D. G. Kelch
2004-4-3
04 .44
Contra Costa
Crockett - Edwards Canyon Rare weed at nursery at Edwards Creek Staging Area (EBRPD) near barn.
24
Comment Read comments Jun 14 2011
JEPS100177
Micropus californicus
G. Smick
2003-4-29
GAS 149
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
CDA8378
Micropus californicus var. californicus
D. G. Kelch, A. G. Murdock
2004-4-25
4 .125
Contra Costa
Carquinez Strait Region; Martinez - West: Ozol Rock and Scenic Drive. Hill southwest of large cottonwood. West of Martinez at gated end of Scenic Drive.
Comment
JEPS111703
Micropus californicus var. californicus
D. G. Kelch
2004-4-30
04 .155
Contra Costa
Mt. Wanda - Martinez
90
Comment
CHSC67881
Microseris acuminata
James D. Jokerst
1989-3-28
3052
Contra Costa
NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore.
Comment
CAS-BOT-BC348890
Microseris douglasii subsp. douglasii
Alice Eastwood
1914-3-14
3800
Contra Costa
Byron Springs
Comment
JEPS36211
Microseris douglasii subsp. douglasii
W. L. Jepson
1923-4-22
9881
Contra Costa
Mt. Diablo
Comment
UC218905
Microseris douglasii subsp. douglasii
Katharine Brandegee
1907-5-3
Contra Costa
near Antioch
Comment
UC691465
Microseris douglasii subsp. douglasii
Mary L. Bowerman
1931-4-18
729
Contra Costa
in basin of ne fork Sycamore Canyon; Mount Diablo
Comment
CAS-BOT-BC348895
Microseris douglasii subsp. douglasii
K. L. Chambers
1953-4-25
449
Contra Costa
Balfour Road ca. 4 mi. w. of Brentwood and 1.8 mi. e. of its junction with Antioch-Briones Valley Rd.
Comment
UC1818979
Microseris elegans
Barbara Ertter, Dale Sanders, Dan Norris
1994-3-26
12336
Contra Costa
Peyton Hill east of I-680 east of Martinez, south of Waterfront Road, west foot of hill near edge of marsh, openings in grassland.
Comment
CAS-BOT-BC322765
Microseris sylvatica
M. K. Curran
1884-5-1
s.n.
Contra Costa
Antioch
Comment
SEINET11602013
Microseris sylvatica
K. Brandegee
1907-5-5
s.n.
Contra Costa
Between Antioch & Marsh Creek
Comment
UC2028127
Microseris sylvatica
Barbara Ertter with Richard K. Brummitt
1998-5-6
16081
Contra Costa
Base of Mitchell Rock Trail on north base of Mount Diablo.
Comment
JEPS75461
Mimulus aurantiacus var. aurantiacus
P. F. Yorks
1975-5-31
430
Contra Costa
ca. 1.6 km s Bear Creek Road (on Hampton Road, n of Briones Reservoir); Hampton Road Natural Preserve
Comment
JEPS78821
Mimulus aurantiacus var. aurantiacus
Edward Lee
1936-5-24
2163
Contra Costa
10 mi from Marsh Creek Road; Morgan Territory
Comment
JEPS78823
Mimulus aurantiacus var. aurantiacus
Edward Lee
1936-5-24
2165
Contra Costa
10 mi from Marsh Creek Road; Morgan Territory
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
UC691762
Mimulus grandis
Mary L. Bowerman
1930-6-10
294
Contra Costa
Mineral Spring (North Road) Mount Diablo
Comment
UC2027721
Mimulus guttatus
Barbara Ertter with Brad Olson, Jim Shevock, et al.
1997-3-19
15513
Contra Costa
Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood.
Comment
UC125132
Mimulus latidens
Katharine Brandegee
1907-5-5
Contra Costa
between Antioch and Marsh Creek
Comment
UC26995
Mimulus nasutus
J. Burtt Davy
1893-5-13
214
Contra Costa
Claremont Canyon to Fish Ranch fide fieldbook
Comment
UC691739
Mimulus nasutus
Mary L. Bowerman
1931-4-18
724
Contra Costa
at junction of e and ne forks Sycamore Canyon; Mount Diablo
396
Comment
JEPS2966
Mimulus rattanii
Mary L. Bowerman
1933-5-31
2222
Contra Costa
Juniper Camp Mount Diablo
Comment
CAS-BOT-BC221677
Monardella douglasii
A. D. E. Elmer
1903-7-1
4544
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC221679
Monardella douglasii
John Thomas Howell
1942-7-19
17049
Contra Costa
NE. of Deer Flat, Mt. Diablo
Comment
JEPS100054
Monardella villosa subsp. villosa
G. Smick
2003-6-6
GAS 215
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS75499
Monardella villosa subsp. villosa
P. F. Yorks
1974-6-16
180
Contra Costa
ca. 1.6 km south of Bear Creek Road (on Hampton Road, north of Briones Reservoir); Hampton Road Natural Reserve
180
Comment
UC1076314
Monolepis nuttalliana
Herbert L. Mason
1931-4-5
5891
Contra Costa
Antioch sandhills
Comment
UC2031460
Monolopia gracilens
Barbara Ertter with David Gowen
2014-4-12
21715
Contra Costa
Ridge on north side of Prospectors Gap Road, ca 1 mile east of Mount Diablo summit
Comment
CAS-BOT-BC349621
Monolopia major
Dr. A. Kellogg
1869-4-8
s.n.
Contra Costa
Antioch
Comment
POM55549
Monolopia major
C. F. Baker
1903-4-27
s.n.
Contra Costa
Byron.
Comment
RSA289444
Monolopia major
Dale E. Johnson
1975-4-12
188
Contra Costa
West of Byron; 2.6 km (1.6 miles) west of Byron Highway (Brentwood-Bethany road) on Camino Diablo; just west of road summit; near sand quarry
Comment
CAS-BOT-BC445038
Montia linearis
John Thomas Howell
1933-5-14
11226
Contra Costa
St. Mary's College
Comment
UC3794
Muilla maritima
Harley P. Chandler
1901-3-21
863
Contra Costa
Concord Region of San Francisco Bay
Comment
CHSC68026
Myosurus minimus
James D. Jokerst
1989-3-28
3058
Contra Costa
NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore.
Comment
UC1731499
Myosurus minimus
Dean William Taylor
1971-3-28
961
Contra Costa
along road J4 3 mi s of Byron (at Holley Road); road J4 at Holley Road
9
Comment
CAS-BOT-BC7111
Myosurus minimus subsp. apus
M. K. Curran
1884-1-1
s.n.
Contra Costa
Antioch
Comment
UC1101329
Myosurus sessilis
Herbert L. Mason
1952-4-26
14272
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
POM312426
Myosurus sessilis
H. L. Mason
1952-4-14
14263
Contra Costa
3.5 miles S of Byron.
Comment
CDA19119
Myriophyllum spicatum
R. M. Case
2001-5-8
PDR P 088776
Contra Costa
Sierra Nevada; Mallard Reservoir on Arnold Industrial Way, Concord.
0
Comment
UC2031468
Myriophyllum verticillatum
Barbara Ertter with Brad Olson
1991-9-28
10837
Contra Costa
San Pablo Reservoir between Orinda and El Sobrante
Comment
JEPS102918
Narcissus tazetta
Barbara Ertter
1998-1-25
15910
Contra Costa
so of Donner Canyon trailhead (Back Canyon Rd.); Mount Diablo
Comment
CAS-BOT-BC259906
Nassella lepida
D. E. Breedlove
1970-4-18
17447
Contra Costa
At the N edge of Lafayette above Laurel Drive
243
Comment
CAS-BOT-BC259901
Nassella lepida
Mary L. Bowerman
1935-6-8
3125
Contra Costa
Mount Diablo. West road 2 miles from entrance, gully W of chapparal
Comment
CAS-BOT-BC260126
Nassella pulchra
A. A. Beetle
1941-3-28
1718
Contra Costa
Orinda
Comment
POM295472
Nassella pulchra
Lyman Benson
1935-3-16
6285
Contra Costa
Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo.
305
Comment
POM300686
Nassella pulchra
Mary L. Bowerman
1933-5-25
2191
Contra Costa
Alamo Canyon; above Wilson's barn. Oyster Ridge, west end of south face.
Comment Read comments Nov 1 2011
SEINET190914
Nassella pulchra
A. A. Beetle
1941-3-28
1718
Contra Costa
Orinda.
Comment
UC691268
Nassella pulchra
Mary L. Bowerman
1935-4-17
2830
Contra Costa
West road (= North Rd) 2 mi from entrance (se exposure); Mount Diablo
237
Comment
UCD36916
Nassella pulchra
Beecher Crampton
1956-5-14
3388
Contra Costa
6.7 miles southwest of city of Antioch, along ridge between old coal mining towns of Somersville and Nortonville.
Comment
UCD87531
Nassella pulchra
Frank W. Gould
1941-4-20
1281
Contra Costa
Near Richmond.
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
UC856837
Navarretia mellita
John Thomas Howell
1938-6-30
13938
Contra Costa
Head of Siesta Valley
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
JEPS116990
Navarretia nigelliformis subsp. radians
David Gowen
2008-4-16
857
Contra Costa
West end of Horse Valley.
146
Comment
CAS-BOT-BC230478
Navarretia nigelliformis var. nigelliformis
K. Curran
1884-6-1
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
UC2028276
Navarretia pubescens
Barbara Ertter
1999-6-12
16700
Contra Costa
Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo.
Comment
UC2042984
Navarretia pubescens
Barbara Ertter with Dan Norris
1998-6-18
16223
Contra Costa
Devil's Slide Trail from Knobcone Point Road, south side of Mount Diablo.
Comment
JEPS112008
Navarretia squarrosa
D. G. Kelch
2004-7-9
04 .317
Contra Costa
Ferndale Road Ferndale Road North of Alhambra Valley Road. Trail to west of road end.
240
Comment
SEINET9296212
Navarretia squarrosa
Unknown
1950-9-22
621
Contra Costa
Contra Costa County
Comment
UCD35159
Navarretia squarrosa
Beecher Crampton
1950-9-22
621
Contra Costa
Vacant lot 1 mile north of Richmond.
Comment
UCD36023
Navarretia squarrosa
Beecher Crampton
1949-6-5
469
Contra Costa
Contra Cost County, along Highway 40, Pinole to San Pablo, above Garrity Creek, on top of West Hills.
30
Comment
JEPS111834
Nemophila heterophylla
A. G. Murdock
2004-4-30
258
Contra Costa
Vaca Canyon
165
Comment
JEPS49756
Nemophila heterophylla
Rimo Bacigalupi, and Alice Howard, and Paul Hutchison
1967-3-29
9220
Contra Costa
on w slope Las Trampas Ridge Upper reaches Bolinger Canyon, w slope Las Trampas Ridge (Upper reaches of Bolinger Canyon)
381
Comment
UC592192
Nemophila heterophylla
H. L. Mason
1929-3-15
5052
Contra Costa
Nortonville; on grassy hillslopes
Comment
UC67125
Nemophila heterophylla
Harley P. Chandler
1901-4-5
948
Contra Costa
Pine Canyon , Pine Canyon (Mt. Diablo)
Comment
UC67127
Nemophila heterophylla
Harley P. Chandler
1901-3-22
850
Contra Costa
between Martinez and Port Costa (Region of San Francisco Bay); , bet Martinez and Port Costa
Comment
UC727741
Nemophila heterophylla
Milo S. Baker
1946-4-20
11328
Contra Costa
summit s Clayton; Summit s of Clayton
Comment
RSA75801
Nemophila heterophylla
Lincoln Constance
1938-3-22
2031
Contra Costa
Edge of Wildcat Canyon on north slope of the Berkeley Hills.
366
Comment
JEPS3131
Nemophila menziesii
Mary L. Bowerman
1931-3-8
557
Contra Costa
w bank Mitchell Canyon, Mount Diablo Mount Diablo, Mitchell Canyon
304
Comment
UC880892
Nemophila menziesii
Lewis S. Rose
1941-3-13
41029
Contra Costa
3 mi w Byron; w of Byron
30
Comment
RSA421347
Nemophila menziesii var. menziesii
Mark Morris
1929-2-22
s.n.
Contra Costa
Mt. 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
HSC28472
Nicotiana glauca
J. D. Ackerman, A. M. Montalvo
1973-12-20
123
Contra Costa
5 mi. E of Clayton
Comment
JEPS44838
Oemleria cerasiformis
H. H. Haworth
1917-4-22
Contra Costa
Orinda Park
Comment
JEPS68943
Oemleria cerasiformis
Edward Lee
1935-2-10
1271
Contra Costa
Berkeley, Berkeley Hills, Wildcat Creek Wildcat Creek; Berkeley, Berkeley Hills, Wildcat Creek
Comment
UC691103
Oemleria cerasiformis
Mary L. Bowerman
1933-4-22
1887
Contra Costa
Curry Cave Point trail; Mount Diablo
396
Comment
UC2029152
Oenothera deltoides subsp. cognata
Barbara Ertter, Chris Thayer
1994-5-19
12782
Contra Costa
Highway 4 between Brentwood and Oakley at Honey Lane (halfway between Cypress Rd. and Delta Rd.)
Comment
CAS-BOT-BC171588
Oenothera deltoides subsp. howellii
J. H. Thomas
1953-4-25
3004
Contra Costa
Antioch sand hills along San Joaquin River, 2 miles west of Antioch Bridge
Comment
CAS-BOT-BC171597
Oenothera deltoides subsp. howellii
Walter Knight
1965-3-1
s.n.
Contra Costa
Antioch dunes.
Comment
POM355600
Oenothera deltoides subsp. howellii
Peter H. Raven
1965-5-9
20181
Contra Costa
Antioch dunes
Comment
UC971924
Oenothera deltoides subsp. howellii
P. D. Hurd
1952-5-26
Contra Costa
one mi e Antioch (in sand dunes close to w margin of river near its mouth); San Joaquin River
30
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
CDA38153
Oenothera deltoides subsp. howellii
F. J. Brucato
1962-5-1
s.n.
Contra Costa
Antioch; Wilbur Ave.
0
Comment
RSA119426
Oenothera deltoides subsp. howellii
William M. Klein
1958-6-9
432
Contra Costa
Sandhills N of Antoch, along the San Joaquin River Channel.
2
Comment
RSA0004531
Oenothera deltoides var. howellii
Alice Eastwood, J. T. Howell
1936-4-19
2147
Contra Costa
Sand dunes at Antioch
Comment
CDA36713
Olea europaea
D. G. Kelch
2010-10-5
10 .417
Contra Costa
The Delta; Just east of Antioch bridge.
Comment
UC444919
Orobanche californica subsp. feudgei
T. S. Brandegee
June 1884
Contra Costa
Antioch.
Comment
UC1076301
Orobanche fasciculata
Herbert L. Mason
1926-5-7
2704
Contra Costa
Near Summit of Mount Diablo.
Comment
UC35324
Orobanche fasciculata
F. T. Bioletti
1894-5-13
Contra Costa
Mount Diablo.
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
UC2027723
Orobanche uniflora
Barbara Ertter with Brad Olson, Jim Shevock, et al.
1997-3-19
15511
Contra Costa
Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood.
Comment
JEPS99528
Orobanche vallicola
Mary L. Bowerman
1977-6-11
Contra Costa
Mount Diablo, Pine Canyon, Castle Rock Park (rest unclear).
Comment
UC1076297
Orobanche vallicola
Herbert L. Mason
1929-9-21
5432
Contra Costa
3 mi above Clayton (Marsh Creek Road); Marsh Creek Road
Comment
CAS-BOT-BC502955
Orobanche vallicola
John Thomas Howell
1929-9-21
4391
Contra Costa
Marsh Creek Road, 7 miles SE of Clayton
Comment
POM15364
Orthocarpus erianthus
C. F. Baker
1903-4-27
2792
Contra Costa
Byron.
Comment
POM15629
Orthocarpus pusillus
H. P. Chandler
1901-4-5
945
Contra Costa
Mt. Diablo
Comment
UC1618306
Osmorhiza berteroi
Barbara Ertter with Travis Columbus
1990-6-10
9108
Contra Costa
near stream crossing on Spengler Creek ne Briones Peak (ne corner of park, w of Pleasant Hill); Briones Regional Park, Briones Hills
182
Comment
UC691837
Osmorhiza brachypoda
Mary L. Bowerman
1938-5-28
3650
Contra Costa
Shady canyon Mount Diablo (junction of roads)
670
Comment
CDA28455
Oxalis carnosa
G. D. Barbe
1976-3-25
2117
Contra Costa
International Succulent Institute, 10 Corte Sombrita, between Moraga and Orinda.
0
Comment
CDA28456
Oxalis carnosa
G. D. Barbe
1976-3-25
2117
Contra Costa
International Succulent Institute, 10 Corte Sombrita, between Moraga and Orinda.
0
Comment
HSC16707
Oxalis oregana
D. A. Shally
1965-4-18
37
Contra Costa
Canyon 1 mi. N of Canyon Store
Comment
UC2028103
Packera breweri
Barbara Ertter with Christopher Baysdorfer
1998-5-10
16124
Contra Costa
West side Lime Ridge Open Space northwest of Mount Diablo.
Comment
UCD134740
Packera breweri
Cliff Low
1978-5-19
30
Contra Costa
Back Canyon Creek east of Eagle Peak on Mount Diablo.
365
Comment
SEINET9287601
Packera multilobata
Unknown
1999-12-20
1219291
Contra Costa
Along Wildcat Canyon Rd., 1.9 mi NW of intersection of Wildcat Canyon Rd and Dam Rd. vicinity of Orinda.
Comment
RSA125862
Paeonia californica
G. R. Campbell
1956-4-6
15
Contra Costa
Between Round Top and summit of Mt. Diablo.
305
Comment
CAS-BOT-BC253783
Panicum hillmanii
Walter Knight
1977-7-10
s.n.
Contra Costa
East Bay Regional Park District. Along Lafayette-Moraga Regional Trail. Intersection of Foye Street, Lafayette
Comment
JEPS103101
Papaver californicum
Mary L. Bowerman
1978-5-14
Contra Costa
E face of Eagle Peak, ravine toward Twin Peaks from Back Creek Mount Diablo
Comment
RSA721592
Papaver californicum
Mary L. Bowerman
1978-5-14
s.n.
Contra Costa
Mount Diablo. E side of Eagle Peak, old mine wagon trail up Black Canyon.
Comment
UCD96018
Papaver heterophyllum
Cliff Low
1978-5-19
16
Contra Costa
Back Canyon Creek, east of Eagle Peak on Mount Diablo.
304
Comment
UCD88468
Parapholis incurva
A. A. Beetle
1942-4-1
3268
Contra Costa
Brooks Island. San Francisco Bay.
Comment
CAS-BOT-BC259648
Paspalum dilatatum
R. E. Frenkel
1963-5-15
189
Contra Costa
E side of Marsh Creek Road 2 miles E of Clayton
Comment
UCD88942
Paspalum distichum
E. K. Stillwell
1967-7-17
s.n.
Contra Costa
Brentwood.
Comment
CAS-BOT-BC259724
Paspalum distichum
Walter Knight; et al.
1978-9-19
3266
Contra Costa
Browns Island, Alder Point
Comment
UC2028420
Paspalum distichum
Barbara Ertter
2000-9-30
17538
Contra Costa
West side Mount Diablo, pond on west side of Briones-Mount Diablo TRail south of Stonegate Trail junction
Comment
UC573135
Pectocarya penicillata
H. L. Mason
1932-3-20
6845
Contra Costa
Antioch sand hills
Comment
UC573057
Pectocarya pusilla
H. L. Mason
1931-4-5
5827
Contra Costa
rd between Marsh Creek and Livermore
Comment
CHSC28128
Pedicularis densiflora
R. A. Emmrich
1975-3-14
97
Contra Costa
Ca. 1/2 mi w of Ranger Station no. 2 and 10 yds n of Diablo Rd., Mount Diablo State Park.
1127
Comment
JEPS84382
Pedicularis densiflora
Roxanne Bittman
1977-3-29
27
Contra Costa
on n si9de of Mount Diablo Scenic Road about 10 mi from base of mountain Mount Diablo Scenic Road
762
Comment
RSA123948
Pedicularis densiflora
E. F. Sprague
1957-4-11
1124
Contra Costa
Mount Diablo. N slope of Live Oak Canyon.
610
Comment
UC692274
Pediomelum californicum
Mary L. Bowerman
1930-6-7
282
Contra Costa
Meridian Peak summit , Meridian Peak summit (Mount Diablo)
Comment
POM118165
Pediomelum californicum
H. M. Hall, F. M. Essig, C. C. Hall
1916-5-31
10133
Contra Costa
Summit of Mount Diablo.
1170
Comment
UC1818872
Pelargonium inquinans
Barbara Ertter, Brad Olson
1994-5-7
12757
Contra Costa
S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay. Openings, especially with seepage, near open brush.
Comment
JEPS112049
Pellaea andromedifolia
D. G. Kelch
2004-4-25
04 .107
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive West Martinez on Scenic Dr. at Road Gate
28
Comment
JEPS112051
Pellaea andromedifolia
A. G. Murdock
2004-4-30
247
Contra Costa
Franklin Canyon - McHarry Ranch Rd
126
Comment
UC399537
Pellaea mucronata var. mucronata
Michener
May, 1894
Contra Costa
Mt Diablo
Comment
JEPS4477
Penstemon centranthifolius
G. Thomas Robbins
1940-5-19
324
Contra Costa
e Antioch; bordering San Joaquin River e of Antioch
Comment
UC41706
Penstemon centranthifolius
J. Burtt Davy
1895-4-7
889
Contra Costa
Antioch
Comment
RSA101693
Penstemon centranthifolius
H. L. Mason
1929-3-31
5156
Contra Costa
Along San Joaquin River, Antioch.
Comment
SD108312
Penstemon centranthifolius
Robert Doyle
1980-9-14
3879
Contra Costa
quarry on Lime Ridge, north end, south of Ygnacio Valley Road between Walnut Creek and Concord
Comment
SEINET7719710
Penstemon centranthifolius
Chesnut, Drew
1889-4-18
Contra Costa
Antioch
Comment
POM14652
Penstemon heterophyllus subsp. purdyi
C. F. Baker
1903-4-28
2872
Contra Costa
Marsh Creek, Mt. Diablo.
Comment
RSA0027922
Penstemon heterophyllus subsp. purdyi
Barbara J. Ertter
1998-4-4
15972
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo, Quarry Hill.
Comment
JEPS85627
Penstemon heterophyllus var. heterophyllus
W. L. Jepson
1921-6-16
9315
Contra Costa
Mt. Diablo
Comment
NY601704
Penstemon heterophyllus var. heterophyllus
W. L. Jepson
1921-6-16
9315
Contra Costa
Mount Diablo
Comment
UC691517
Penstemon heterophyllus var. heterophyllus
Mary L. Bowerman
1930-6-7
268
Contra Costa
Meridian Peak summit (Meridian Peak crossed out) Mount Diablo
Comment
UC1481542
Penstemon heterophyllus var. purdyi
Neil Havlik
1980-6-26
941
Contra Costa
e side of Siesta Valley in a small ravine e side of Siesta Valley
Comment
UC691800
Pentachaeta alsinoides
Mary L. Bowerman
1933-3-18
1753
Contra Costa
Meridian Peak Mount Diablo (a little e of the meridian)
Comment
CAS-BOT-BC330456
Pentachaeta alsinoides
M. K. Curran
1883-5-1
s.n.
Contra Costa
Foothills of Mount Diablo
Comment
UC133407
Pentachaeta exilis
C. F. Baker
1923-4-28
2826
Contra Costa
Marsh creek Mount Diablo
Comment
UC697213
Pentachaeta exilis
Mary L. Bowerman
1933-5-10
2062
Contra Costa
ridge at e end and s of Meridian Flat; Mount Diablo
822
Comment
POM301041
Pentachaeta exilis
Mary L. Bowerman
1935-5-8
2981
Contra Costa
First main ridge east of Pioneer Camp.
762
Comment
UC692261
Perideridia californica
Mary L. Bowerman
1933-6-20
2329
Contra Costa
edge of stream <a> little above Bilharan Lodge; Mount Diablo, Donner Canyon
Comment
UC692566
Perideridia kelloggii
Mary L. Bowerman
1935-6-28
3158
Contra Costa
w meridian (flat on n side); Mount Diablo, Inner Black Hills
472
Comment
RSA428314
Phacelia
Alice Eastwood
1931-5-30
18617
Contra Costa
Oak Spring
Comment
JEPS1458
Phacelia breweri
Mary L. Bowerman
1935-4-26
2898
Contra Costa
w Indian Ceremonial Spring; Mount Diablo
1021
Comment
UC107330
Phacelia breweri
Katharine Curran
May 1883
Contra Costa
Mt. Diablo
Comment
UC604429
Phacelia breweri
H. L. Mason
1938-5-3
11750
Contra Costa
trail between Juniper Camp and Deer Flat; Mount Diablo
990
Comment
UC880995
Phacelia breweri
Alice Eastwood
1915-5-30
4487
Contra Costa
near type locality Mt. Diablo
Comment
UCD120274
Phacelia breweri
P. B. K.
1916-5-1
s.n.
Contra Costa
Mt. Diablo.
Comment
JEPS25156
Phacelia californica
G. Thomas Robbins with John Weiler
1959-5-23
4027
Contra Costa
flats on w side San Francisco Bay, Richmond, Brooks Island
Comment
UC671750
Phacelia californica
Lincoln Constance
1940-3-16
2524
Contra Costa
margin of San Francisco Bay Point Richmond
15
Comment
POM65595
Phacelia ciliata
C. F. Baker
1903-4-26
2904
Contra Costa
Byron
Comment
UC1950229
Phacelia ciliata
Barbara Ertter
1992-3-8
10910
Contra Costa
NE edge of Black Diamond Mines Regional Preserve, NE-heading canyon with steep loose sides ca 1/2 mi W of junction of Stewartville Trail and Fredrickson Lane
Comment
UC672410
Phacelia ciliata var. ciliata
Herbert L. Mason
1929-3-31
5139
Contra Costa
Briones Road Hills northeast of Mount Diablo
Comment
UC131485
Phacelia distans
C. F. Baker
1903-4-28
2806
Contra Costa
Antioch
Comment
RSA74783
Phacelia distans
F. W. Peirson
1923-7-1
5302
Contra Costa
Near summit of Mt. Diablo.
Comment
RSA83075
Phacelia distans
Verne Grant, Alva Grant
1947-3-16
7892
Contra Costa
East of Antioch.
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
JEPS111837
Phacelia imbricata subsp. imbricata
A. G. Murdock
2004-5-28
275
Contra Costa
Pinole Peak
405
Comment
UC107571
Phacelia imbricata subsp. imbricata
K. Brandegee
June 1883
Contra Costa
Antioch
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
JEPS111825
Phacelia nemoralis subsp. nemoralis
D. G. Kelch
2005-5-1
05 .189
Contra Costa
Crockett - Edwards Canyon
150
Comment
CAS-BOT-BC154330
Phacelia phacelioides
Mrs. E. C. Sutcliffe
1920-5-30
s.n.
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC154335
Phacelia phacelioides
L. R. Abrams
1921-5-25
8016
Contra Costa
Mt. Diablo on road to summit
Comment
JEPS1104
Phacelia phacelioides
Mary L. Bowerman
1930-6-7
285
Contra Costa
Meridian Peak summit Mount Diablo
Comment
UC691329
Phacelia phacelioides
Mary L. Bowerman
1933-4-26
1923
Contra Costa
ese peak (s face); Mount Diablo, North Peak ridge
609
Comment
UC691332
Phacelia phacelioides
Mary L. Bowerman
1932-4-16
1343
Contra Costa
Eagle Point Mount Diablo (n side)
670
Comment
JEPS1330
Phacelia suaveolens
Mary L. Bowerman
1933-5-11
2078
Contra Costa
w ridge Mount Diablo, Inner Black Hills
Comment
CDA31462
Phacelia tanacetifolia
D. G. Kelch
2006-5-27
6 .219
Contra Costa
Pinole Valley Park, S of Pinole Valley Road near crest of El Sobrante Ridge.
Comment
JEPS1284
Phacelia tanacetifolia
Linda Gehringer
1914-3-29
Contra Costa
Brentwood
Comment
UC107559
Phacelia tanacetifolia
Mrs. Brandegee
1890-1
Contra Costa
Comment
CDA2277
Phalaris aquatica
T. C. Fuller
1961-9-13
7004
Contra Costa
Byron-Tracy Hwy (Hwy J4), 0.1 mile north of Delta-Mendota Canal.
0
Comment
RSA720842
Phalaris aquatica
Barbara Ertter, Richard K. Rabeler
1994-6-6
12823
Contra Costa
Point Isabel in south Richmond
Comment
UC1818956
Phalaris aquatica
Barbara Ertter, Kristin Ertter
1995-7-11
14466
Contra Costa
Pine Creek on west side of Mt. Diablo southwest of Walnut Creek. Trailhead at Castle Rock; dried grasslands.
121
Comment
UC768492
Phalaris minor
R. F. Hoover
1937-5-14
2108
Contra Costa
Franklin Creek Valley
Comment
CDA15270
Phalaris paradoxa
G. F. Hrusa, D. Crowe
1998-5-8
14401
Contra Costa
Sacramento Delta; Open sites near cyclone fence-line surrounding disturbed grasslands at E end of Dow Chemical property. Uncommon here.
Comment
JEPS127665
Phalaris paradoxa
Barbara Ertter with David Gowen and Michael Park
2017-5-2
22809
Contra Costa
West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road.
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
UC84850
Phlox gracilis
Katharine Brandegee
May 1886
Contra Costa
Antioch
Comment
JEPS48538
Phlox gracilis
Elsa Kraeger
1926-3-7
Contra Costa
just beyond toll gate on road to Mt. Diablo
Comment
JEPS96244
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
HSC83448
Pholistoma membranaceum
J. M. Tucker
1981-4-25
4454
Contra Costa
Antonio Souza Ranch SW of Byron, summit of High Hill
309
Comment
CDA7905
Phoradendron macrophyllum
D. G. Kelch, A. G. Murdock
2005-1-16
5 .035
Contra Costa
Carquinez Strait; Dutra fire road.
Comment
UC1078913
Phoradendron macrophyllum
Job Kuijt
1958-1-12
1443
Contra Costa
near Walnut Creek (Saranap); Saranap
Comment
CAS-BOT-BC141121
Phoradendron serotinum subsp. macrophyllum
Lewis S. Rose
1930-12-10
s.n.
Contra Costa
Walnut Creek
Comment
POM212436
Phoradendron villosum
Joseph A. Ewan
1933-10-15
8040
Contra Costa
SW slope of Mt Diablo.
1067
Comment
POM300605
Phoradendron villosum
Mary L. Bowerman
1932-10-22
1636
Contra Costa
Road to Quicksilver Mine; Flats at base of N peak. Mt Diablo.
Comment
JEPS125636
Phragmites australis
Daniel Slakey with CNPS Volunteers
2015-9-12
224
Contra Costa
Northern edge of Browns Island, at entrance to Crooked Slough.
Comment
SD241704
Phyllostachys aurea
Barbara Ertter
2001-5-26
17652
Contra Costa
Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch.
Comment
CAS-BOT-BC202272
Pickeringia montana var. montana
A. D. E. Elmer
1903-5-1
4315
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC202273
Pickeringia montana var. montana
A. D. E. Elmer
1903-5-1
4315
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC202274
Pickeringia montana var. montana
Mary L. Bowerman
1931-5-2
793
Contra Costa
Mount Diablo. North end of Eagle Point ridge
Comment
JEPS65569
Pickeringia montana var. montana
W. L. Jepson
1943-6-8
20844
Contra Costa
Moraga Ridge
Comment
JEPS65576
Pickeringia montana var. montana
W. L. Jepson
1918-6-3
7574
Contra Costa
Donner Canyon Mt. Diablo
533
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
UC692282
Pickeringia montana var. montana
Mary L. Bowerman
1933-2-4
1690
Contra Costa
flat e Mt. Diablo-North Peak divide; Mount Diablo
822
Comment
UC692692
Pickeringia montana var. montana
Mary L. Bowerman
1931-5-2
793
Contra Costa
Eagle Point Ridge Mount Diablo (n end)
Comment
UCD48018
Picrasma quassioides
Ellen Dean; Petra Unger
2005-7-19
2700
Contra Costa
Contra Costa Water District land, Byron Tract, just S of Hwy 4, along Old River, on the east bank.
1
Comment
JEPS46917
Pinus attenuata
W. L. Jepson
1908-2-23
2984
Contra Costa
Moraga Ridge
Comment
SBBG336
Pinus attenuata
J. M. Tucker
1941-9-26
411
Contra Costa
summit of Moraga Ridge
500
Comment Read comments Sep 13 2011
JEPS46807
Pinus coulteri
T. H. Goodspeed
1909-1-1
Contra Costa
near Clayton (Mt. Diablo); Mt. Diablo
Comment
JEPS46808
Pinus coulteri
W. L. Jepson
1931-4-5
15726
Contra Costa
Nortonville
Comment
UC440232
Pinus coulteri
Mrs. H. P. Bracelin
1931-3-22
179
Contra Costa
Nortonville
Comment
SEINET3872272
Pinus coulteri
Stanley L. Welsh
2006-1-29
29007
Contra Costa
Mount Diablo State Park. Steep slope.; 0
914
Comment
UCD134547
Pinus coulteri
Jo Ann Olson; Gary R. Robbins
1969-5-11
37
Contra Costa
1/3 mile south of Nortonville, ca. 5 miles south of Pittsburg. (The UC Davis Herbarium: This specimen has additional material available for examination in the fruit and cone cabinet. Fruit and cone cabinet # 166).
335
Comment
CDA265
Pinus halepensis
D. G. Kelch
2007-9-9
7 .582
Contra Costa
Strait of Carquinez; W. Crockett, on hill above Dead Fish restaurant on thin soil over sandstone.
Comment
UC1051358
Pinus muricata
N. Floy Bracelin
1941-10-19
1713
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
JEPS111991
Pinus pinea
D. G. Kelch
2005-1-21
05 .7
Contra Costa
Crockett Collected along railroad tracks in West Valona across from the decommissioned sewage treatment plant
15
Comment
UC907503
Pinus pinea
Walter S. Malloch
1950-6-21
Contra Costa
Lakewood subdivision Walnut Creek
Comment
POM300617
Pinus sabiniana
Mary L. Bowerman
1933-5-10
2069
Contra Costa
One hundred feet below the Muir area.
Comment
UC1076352
Pinus sabiniana
Herbert L. Mason
1929-10-8
5481
Contra Costa
Nortonville
Comment
UC400311
Pinus sabiniana
State Survey
1866-5-1
Contra Costa
Monte del Diablo
Comment
UC1200775
Pinus thunbergii
L. R. Wright
1960-3-10
Contra Costa
near Bryant Reservoir <Briones?>; Orinda
Comment
UC2028436
Piptatherum miliaceum
Barbara Ertter with Chris Thayer
1996-10-25
15353
Contra Costa
Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park
Comment
UC1789206
Pistacia atlantica
Barbara Ertter with Dan Norris
2001-4-8
17603
Contra Costa
Lime Ridge Open Space, main pit of west quarry area N of adjacent golf course
121
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
JEPS88006
Plagiobothrys acanthocarpus
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8117
Contra Costa
ca. 15 air mi. s.w. Stockton (w. & adjacent to Clifton Court Forebay); s.e. Contra Costa Co.
Comment
RSA666367
Plagiobothrys acanthocarpus
Barbara Ertter
1989-4-5
8117
Contra Costa
Alkali sink W and adjacent to Clifton Court Forebay, ca 15 air miles SW of Stockton
0
Comment
UC54745
Plagiobothrys bracteatus
Jos. Burtt Davy
1900-3-24
6533
Contra Costa
Stege
Comment
UC691335
Plagiobothrys bracteatus
Mary L. Bowerman
1935-6-28
3167
Contra Costa
s summit (by Old Government Trail); Mount Diablo, Chase Pond
548
Comment
RSA721206
Plagiobothrys bracteatus
Barbara Ertter
1995-5-7
14031
Contra Costa
Three-Springs Trail on NE side of Mt. Diablo SE of Clayton
305
Comment
UC101457
Plagiobothrys canescens
Katharine Brandegee
May 1907
Contra Costa
Antioch Station S.P.R.R. Antioch
Comment
UC517994
Plagiobothrys canescens
Lewis S. Rose
1933-3-29
33046
Contra Costa
Pittsburg
Comment
UC518020
Plagiobothrys canescens
Lewis S. Rose
1933-4-17
33098
Contra Costa
Antioch
Comment
UC882307
Plagiobothrys canescens
Lewis S. Rose
1933-3-29
33046
Contra Costa
Pittsburg
Comment
UC2027838
Plagiobothrys canescens
Barbara Ertter with Dan Norris
2001-4-15
17613
Contra Costa
West side Mount Diablo, divide NW of pond at base of China Wall formation.
Comment
UC78081
Plagiobothrys fulvus
T. S. Brandegee
May, 1889
Contra Costa
Antioch
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
RSA14931
Plagiobothrys fulvus var. campestris
Alice Eastwood, John Thomas Howell
1935-4-7
2120
Contra Costa
Near Byron on Marsh Creek Road.
Comment
RSA666360
Plagiobothrys leptocladus
Barbara Ertter, J. D. Jokerst, D. Magney
1989-4-5
8129
Contra Costa
West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton.
0
Comment
UC1073381
Plagiobothrys nothofulvus
George B. Rossbach
1955-3-20
465
Contra Costa
sw base Mt. Diablo
Comment
UC2070573
Plagiobothrys stipitatus
Barbara Ertter with David Gowen and Mike Park
2004-4-13
18348
Contra Costa
Black Diamond Mines Regional Park south of Pittsburg, ca 1 km due east of Sidney Flat Headquarters.
Comment
POM64765
Plagiobothrys stipitatus
C. F. Baker
1903-4-27
2799
Contra Costa
Byron.
Comment
UC765574
Plagiobothrys stipitatus var. micranthus
R. F. Hoover
1937-5-14
2121
Contra Costa
Byron Hot Springs
Comment
UC78209
Plagiobothrys stipitatus var. micranthus
T. S. Brandegee
1889-5-1
Contra Costa
Antioch
Comment
UC24572
Plagiobothrys stipitatus var. stipitatus
F. T. Bioletti
1892-1
Contra Costa
Byron
Comment
UC573066
Plagiobothrys stipitatus var. stipitatus
H. L. Mason
1929-3-31
5145
Contra Costa
Briones Valley
Comment
UC691336
Plagiobothrys tenellus
Mary L. Bowerman
1933-5-8
2033
Contra Costa
flat n Rock City Camp; Mount Diablo
Comment
CHSC67188
Plagiobothrys trachycarpus
James D. Jokerst
1991-3-28
3229
Contra Costa
Kellogg Watershed Inundation Zone at enclosure at 'The Windmills,' N of Livermore.
Comment
JEPS111833
Plagiobothrys trachycarpus
A. G. Murdock
2004-3-19
230 /231
Contra Costa
Hercules - Carbon
50
Comment
UC767584
Plagiobothrys trachycarpus
R. F. Hoover
1941-4-12
4840
Contra Costa
1 mi. n. Lone Tree Valley
Comment
UC2029044
Plagiobothrys trachycarpus
Barbara Ertter
2000-3-19
16893
Contra Costa
southwest flank of Mount Diablo, east of Pine Ridge, below Wall Point Road
Comment
UC1618130
Plantago coronopus
Nancy Hillyard
1997-7-1
Contra Costa
Tilden Park in hills behind Berkeley (on Nimitz Trail); Tilden Park, Nimitz Trail
300
Comment Read comments Aug 20 2009
UC2029103
Plantago coronopus
Barbara Ertter
1990-10-24
9684
Contra Costa
Martinez Regional Shoreline on Carquinez Strait. Local near arch bridge.
Comment
UC1745837
Plantago elongata
Annetta M. Carter
1935-3-10
752
Contra Costa
Kirker Pass, Donovan Rd. to Pittsburg.
Comment
UC1950081
Plantago elongata
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8128
Contra Costa
alkali sink W and adjacent to Clifton Court Forebay, ca 15 airmiles SW of Stockton
Comment
RSA181409
Plantago erecta
James I. McMurphy
1910-4-9
s.n.
Contra Costa
Antioch.
Comment
UC2032844
Plantago erecta
Doran, Andrew Scott
2012-3-20
715
Contra Costa
Trail down from highest point of Brooks Island. South east part of Island.
Comment
SBBG122787
Plantago erecta
B. Ertter, J. Jokerst, D. Magney
1989-4-5
8141
Contra Costa
sink W and adjacent to Clifton Court Forebay, ca. 15 air mi SW of Stockton
Comment
SD131987
Plantago erecta
W. L. Jepson
1923-4-22
9872
Contra Costa
On hilltops. Mt. Diablo.
Comment
JEPS22023
Plantago lanceolata
G. Thomas Robbins with S. Galen Smith
1958-6-2
3853
Contra Costa
just e Hercules city boundary (Franklin Canyon Road (State Highway 4)); Refugio Valley
18
Comment
JEPS112000
Plantago major
D. G. Kelch
2004-6-6
04 .227
Contra Costa
Martinez - Train Station Downtown Martinez. Alhambra Creek near bay and railroad Station. Large perennial to 65 cm. In wet areas.
2
Comment
UCD124520
Plantago major
Malcolm A. Nobs; S. Galen Smith
1949-7-8
947
Contra Costa
Otto's Black Bass Resort, 4 miles N of Kingston.
Comment
UCD124528
Plantago major
M. Wiesendanger
1926-6-1
1528
Contra Costa
Richmond.
Comment
CDA32860
Plantago subnuda
D. G. Kelch
2010-10-5
10 .423
Contra Costa
The Delta.; Antioch shoreline. West of Fulton shipyard.
Comment
JEPS112002
Platanus racemosa
D. G. Kelch
2003-8-13
03 .122
Contra Costa
Arroyo del Hambre Along Alhambra Creek E of Mt Wanda. w/ AGM
74
Comment
UC101594
Platystemon californicus
Katharine Brandegee
1907-5-5
f
Contra Costa
between Antioch and Marsh Creek; between Antioch and Marsh Creek
Comment
UC56196
Platystemon californicus
H. M. Hall
1901-3-16
1654
Contra Costa
Point Richmond; region of San Francisco Bay, Point Richmond
Comment
UC566962
Platystemon californicus
R. C. Wilson
1935-3-26
143
Contra Costa
2 mi n Walnut Creek; Concord Quad.
Comment
UCD32384
Platystemon californicus
Beecher Crampton
1950-4-22
528
Contra Costa
Contra Costa County, above Judsonville, above old Empire Mine to south around top of hills.
182
Comment
JEPS12782
Plectritis macrocera
Rimo Bacigalupi with G. T. Robbins
1955-5-4
4975
Contra Costa
s of and above Nortonville ((site))
304
Comment
JEPS14520
Plectritis macrocera
L. T. Dempster
1956-5-26
1003
Contra Costa
above Overhill Court (Orinda); Orinda
Comment
UC691523
Plectritis macrocera
Mary L. Bowerman
1933-4-15
1866
Contra Costa
Canyon s of Arroyo del Cerro (Mount Diablo); Mount Diablo
411
Comment
UC400145
Pleuropogon californicus
Ynes Mexia
1929-4-21
2388
Contra Costa
junction of Franklin Canyon
Comment
UCD90158
Pleuropogon californicus
Peter Kamb; Francia Chisaki, Galem Smith
1951-4-14
1978
Contra Costa
0.2 miles south of junction of Highways 4 and 21, 7 miles north of Walnut Creek.
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
CDA8487
Pluchea odorata
D. G. Kelch, A. G. Murdock
2004-7-9
4 .311
Contra Costa
Carquinez Strait Region; Pacheco Marsh. Pacheco Hill Marsh west of Pacheco Slough.
Comment
UC485228
Pluchea odorata var. odorata
H. M. Hall
1916-8-16
10272
Contra Costa
Martinez San Francisco Bay Region
Comment
UC1024731
Poa annua
Leo Whitney
1935-4-21
3059
Contra Costa
Corral Hollow
Comment
CAS-BOT-BC246615
Poa howellii
Edward Lee
1936-4-19
2007
Contra Costa
Northeast slope of the island. Red Rock, San Francisco Bay
Comment
UC691190
Poa howellii
Mary L. Bowerman
1935-5-18
3020
Contra Costa
nw facing slope across rd from and a little e of Parking area; Mt Diablo
1066
Comment
UC692328
Poa howellii
Mary L. Bowerman
1933-5-21
2148
Contra Costa
below Grape Spring (s from Curry Canyon); Mt Diablo
Comment
UC912661
Poa howellii
Herbert L. Mason
1928-4-15
4350
Contra Costa
e end Moraga Ridge
Comment
UCD91103
Poa howellii
Beecher Crampton
1956-5-14
3396
Contra Costa
along Marsh Creek, Morgan Territory, southeast of Mt. Diablo.
Comment
CAS-BOT-BC246645
Poa howellii
Peter H. Raven; H. L. Mason; R. Ornduff; et al
1957-4-11
10622
Contra Costa
Curry Canyon, 4.0 miles s. of Recreation Ground
Comment
CDA33806
Poa howellii
D. G. Kelch, Abigail Moore, Michael Park, Troy
2010-5-15
10 .109
Contra Costa
Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot.
0
Comment
CHSC25045
Poa secunda subsp. secunda
Willis Ball
1975-3-9
480
Contra Costa
In area #8. On slope of a hill ca. 510 yds. w of Contra Loma Blvd.
124
Comment
UC39568
Poa secunda subsp. secunda
Alice Eastwood
1893-5-3
Contra Costa
Antioch
Comment
UC691181
Poa secunda subsp. secunda
Mary L. Bowerman
1932-4-27
1381
Contra Costa
s face Oyster Ridge (canyon w of Riggs Canyon); Mt Diablo
335
Comment
UC691189
Poa secunda subsp. secunda
Mary L. Bowerman
1931-4-11
693
Contra Costa
Pine Canyon; Mt Diablo
121
Comment
UC692417
Poa secunda subsp. secunda
Mary L. Bowerman
1935-4-19
2859
Contra Costa
near Turtle Rock (hillside opposite side of rd); Mt Diablo
457
Comment
UCD36915
Poa secunda subsp. secunda
Beecher Crampton
1956-5-14
3387
Contra Costa
6.7 miles SW of Antioch, along ridge between old coal mining towns of Somersville and Nortonville.
Comment Read comments Jul 1 2011
UCD90795
Poa secunda subsp. secunda
Beecher Crampton
1956-5-14
3387
Contra Costa
6.7 miles SW of Antioch, between old coal mining towns of Somersville and Nortonville.
Comment Read comments Jul 1 2011
UCD91671
Poa secunda subsp. secunda
P. B. Kennedy
1916-5-1
s.n.
Contra Costa
Pinehurst.
Comment
CAS-BOT-BC236385
Poa secunda subsp. secunda
Mary L. Bowerman
1935-5-18
3028
Contra Costa
Mount Diablo. N of the summit parking area
1036
Comment
UCD91679
Poa secunda subsp. secunda
P. B. Kennedy
1925-4-25
s.n.
Contra Costa
Road to Sycamore Canyon, Mt. Diablo.
Comment
SEINET13947037
Pogogyne
Joseph Andorfer Ewan
1936-1
9694
Contra Costa
W slope of Bald Peak, San Pablo Ridge
Comment
HSC14299
Pogogyne douglasii
Leo Koch
1940-6-5
1002
Contra Costa
Saline flat 2 mi. S of San Rafael ferry dock
Comment
POM63422
Pogogyne douglasii
A. D. E. Elmer
1903-05
4320
Contra Costa
Walnut Creek.
Comment
JEPS107077
Pogogyne serpylloides
Barbara Ertter, Lisa Schultheis
1995-4-27
14017
Contra Costa
Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; head of west facing scrub-filled draw (east of golf-course).
Comment
JEPS112475
Pogogyne serpylloides
D. G. Kelch
2005-3-25
05 .78
Contra Costa
Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak
150
Comment
RSA0027949
Pogogyne serpylloides
Barbara Ertter
1997-9-14
15803
Contra Costa
WSW base of Mount Diablo, along creek at fence line between Pine Ridge and lower Wall Point Road from Macedo Ranch.
Comment
UC1818877
Polygonum
Barbara Ertter
1995-8-19
14504 a
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
UC691131
Polygonum amphibium
Mary L. Bowerman
1935-7-22
3185
Contra Costa
Hidden Pond Mount Diablo
518
Comment
UC692147
Polygonum amphibium
Mary L. Bowerman
1935-7-22
3182
Contra Costa
Chase Pond Mount Diablo (in water 4 feet from shore, s side of Meridian Peak, by Old Government Trail)
548
Comment
UC692068
Polygonum amphibium var. emersum
Mary L. Bowerman
1931-6-16
928
Contra Costa
Chase Pond Mount Diablo (by Old Government Trail)
Comment
JEPS51308
Polygonum aviculare subsp. aviculare
W. L. Jepson
1891-5-24
Contra Costa
Mt. Diablo
Comment
CDA31465
Polygonum aviculare subsp. buxiforme
D. G. Kelch
2006-8-12
6 .376
Contra Costa
Carquinez Strait; Martinez. Along Alhambra Creek near train station.
Comment
CAS-BOT-BC414177
Polygonum aviculare subsp. depressum
R. E. Frenkel
1963-9-8
278
Contra Costa
On Walnut Blvd., Walnut Creek
Comment
UC1784908
Polygonum aviculare subsp. depressum
Barbara Ertter with Richard Rabeler, Tony Morosco
1997-6-10
15671
Contra Costa
Martinez
Comment
CDA23558
Polygonum aviculare subsp. neglectum
D. G. Kelch
2007-10-6
7 .632
Contra Costa
Carquinez Strait; Fernandez Ranch. Muir Land Trust Property 4.5 km W of Rodeo.
Comment
CDA2797
Polygonum cuspidatum
G. D. Barbe
1975-10-29
2101
Contra Costa
Bank of Lafayette Creek, Mt. Diablo Blvd. at Village Center, Lafayette
0
Comment
JEPS112022
Polygonum hydropiperoides
Dean G. Kelch and Andrew G. Murdock
2004-6-6
DGK 04 .228
Contra Costa
Martinez - Train Station. Downtown Martinez. Alhambra Creek near bay and railroad Station.
Comment
UC1784203
Polygonum persicaria
Ethel Crum
1930-9-29
862
Contra Costa
Marsh Creek Road to Holt
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
CAS-BOT-BC72043
Polypodium calirhiza
Mary L. Bowerman
1935-3-15
2736
Contra Costa
Arroyo del Cerro, east fork
262
Comment
CAS-BOT-BC233018
Polypogon interruptus
Mary L. Bowerman
1931-4-4
656
Contra Costa
Mount Diablo. West Road 4.5 miles from entrance
Comment
CDA9488
Polypogon monspeliensis
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .213
Contra Costa
Byron Airport.
Comment
UC790996
Polypogon monspeliensis
A. A. Beetle
1941-6-24
1750
Contra Costa
San Francisco Bay Point Richmond; , Point Richmond
Comment
JEPS102910
Polystichum
Barbara Ertter with Susan D'Alcamo
1998-6-12
16194
Contra Costa
E end of Bald Ridge Tail W of Prospectors Gap Mount Diablo
Comment
CAS-BOT-BC76719
Polystichum lemmonii
C. G. Pringle
1881-8-19
s.n.
Contra Costa
Mountains about eh head waters of the Sacramento River
Comment
UC4923
Populus fremontii subsp. fremontii
W. C. Blasdale
1901-9-28
Contra Costa
San Pablo; at the old Castro house, along the creek
Comment
CAS-BOT-BC267113
Potamogeton
Walter Knight; L. R. Heckard; B. Johnson
1978-9-28
3272
Contra Costa
Mouth of Crooked Slough, Browns Island
Comment
CAS-BOT-BC267114
Potamogeton
Walter Knight; L. R. Heckard; B. Johnson
1978-9-28
3273
Contra Costa
Mouth of Crooked Slough, Browns Island
Comment
UC1606288
Potamogeton crispus
Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson
1991-10-20
10865
Contra Costa
just w of Antioch marina (along levee at water's edge, accessed from marina); Dow Wetlands Preserve
Comment
SD211523
Potamogeton diversifolius
Barbara Ertter, Brad Olson
1991-9-28
10839
Contra Costa
San Pablo Reservoir between Orinda and El Sobrante, in shallow water at South end of reservoir
91
Comment
UC766803
Proboscidea lutea
R. F. Hoover
1937-8-31
2705
Contra Costa
Pittsburg
Comment
CAS-BOT-BC158576
Prunus
Walter Knight
1965-3-1
s.n.
Contra Costa
Antioch Dunes
Comment
UC1819021
Prunus dulcis
Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers
1996-5-11
14642
Contra Costa
Little Pine Creek at northwest foot of Mt. Diablo, along trail connecting North Gate Road to Castle Rock Road, Diablo Foothills Regional Park; packed ground of trailside.
Comment
JEPS112091
Prunus lyonii
D. G. Kelch
2004-5-9
04 .215
Contra Costa
Crockett - Eckley Hills North of Bull Valley Staging Area. Rare
13
Comment
UC1128498
Prunus subcordata
R. W. Lundh
1932-9-3
157
Contra Costa
1 mi n of North Peak
609
Comment
UC691157
Prunus subcordata
Mary L. Bowerman
1931-4-5
674
Contra Costa
between rocky point below Gregory Ranch and road below Mount Diablo
Comment
UC1614254
Prunus virginiana var. demissa
Charles M. Belshaw
1935-6-10
695
Contra Costa
Morgan Territory Road
Comment
POM300692
Prunus virginiana var. demissa
Mary L. Bowerman
1933-5-21
2148 -a
Contra Costa
Grape Spring (S from Curry Canyon)
Comment
JEPS111723
Pseudognaphalium californicum
D. G. Kelch
2004-7-9
04 .295
Contra Costa
Crockett - Carquinez Scenic Drive Carq. Scenic Dr. East of Crockett West of Bull Valley SA
60
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
UC691824
Pseudognaphalium californicum
Mary L. Bowerman
1935-5-30
3089
Contra Costa
Eagle Point ridge
320
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
UC1584859
Pseudognaphalium stramineum
Jerry Powell
1987-9-7
1522
Contra Costa
San Pablo Reservoir San Pablo Reservoir (weed in floodplain)
Comment
UC1818943
Pseudognaphalium thermale
Barbara Ertter, Gary Schoolcraft
1996-4-7
14569
Contra Costa
Point San Pablo in west Richmond, crest of road to yacht harbor, coastal grassland on ridge southwest-facing slope.
Comment
UC691818
Psilocarphus tenellus
Mary L. Bowerman
1931-4-11
702
Contra Costa
Mouth of Pine Canyon Mount Diablo
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
RSA600819
Psoralea physodes
Joseph A. Ewan
1934-4-8
8752
Contra Costa
Mt. Diablo: Marsh Creek.
243
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-BC148627
Ptelea crenulata
Alice Eastwood
1915-5-30
4440
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC148629
Ptelea crenulata
Alice Eastwood
1897-5-31
s.n.
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC148643
Ptelea crenulata
V. Rattan
1887-5-22
s.n.
Contra Costa
Alhambra Val.
Comment
JEPS40170
Ptelea crenulata
W. L. Jepson
1931-4-5
15721
Contra Costa
near Nortonville
Comment
JEPS40172
Ptelea crenulata
W. L. Jepson
1907-4-27
2648
Contra Costa
Mt. Diablo
Comment
SJSU758
Ptelea crenulata
C. D. Duncan
1942-4-26
Contra Costa
lower E slope, Mt Diablo
Comment
UC137407
Ptelea crenulata
C. F. Baker
1903-4-28
2943
Contra Costa
Mitchell's Canyon; Mt. Diablo
Comment
UC17374
Ptelea crenulata
Prof. W. L. Jepson
1898-10-18
Contra Costa
Mt. Diablo
Comment
UC85434
Ptelea crenulata
Katharine Brandegee
1907-6-16
Contra Costa
hills back of Antioch
Comment
CAS-BOT-BC148642
Ptelea crenulata
H. E. McMinn
1922-6-2
95
Contra Costa
In ravine on north slope of Mt. Diablo
Comment
UCD38732
Ptelea crenulata
Beecher Crampton
1957-7-9
4273
Contra Costa
2-3 miles northwest Martinez on the road to Crockett.
Comment
UC692210
Pterostegia drymarioides
Mary L. Bowerman
1931-3-29
617
Contra Costa
e. end Cave Point Ridge; Mt. Diablo
Comment
UCD92236
Puccinellia simplex
Beecher Crampton
1968-3-27
8233
Contra Costa
SE corner, ca. 3.5 miles south of Byron.
Comment
UC2042941
Pyracantha angustifolia
Barbara Ertter
1991-5-12
9811
Contra Costa
Point Isabel Regional Shoreline in SW corner of El Cerrito, on San Francisco Bay.
Comment
UC1543202
Quercus
Donald G. Nelson
1939-12-3
642
Contra Costa
n of Clayton (hillside opposite crest of trail from old brick ruin at coal mine)
Comment
CAS-BOT-BC45656
Quercus agrifolia
John Thomas Howell
1950-7-5
26638
Contra Costa
Nortonville
Comment
CHSC24131
Quercus agrifolia
M. A. Callahan
1976-4-11
1
Contra Costa
45 ft. nnw of house at 1976 Mohawk Dr., Pleasant Hill. Growing on steep hillside; w side Oak Wd.
121
Comment
UC1748013
Quercus agrifolia
E. Dean with B. Ertter, J. M. Tucker, K. Chaney
2000-9-13
652
Contra Costa
El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Rd., S of jct of Heavenly Ridge Trail and Manzanita Trail El Sobrante (overlooking city of El Sobrante)
213
Comment
UCD45040
Quercus agrifolia
J. M Tucker
1946-3-14
1375
Contra Costa
Small tree ca. 15 feet tall; sunny southeast-faicng slope, on border of redwood grove associated with Ceanothus thyrsiflorus and Baccharis; Redwood Peak, ca. 200 yards south of summit, Contra Costa County, California.
Comment
UC2042966
Quercus berberidifolia
Barbara Ertter, Brad Olson, Diane Lake, Seth Adams, et al.
1994-9-11
13092
Contra Costa
Chaparral Springs addition to Mt. Diablo State Park, north side of Marsh Creek Road at high point southeast of Clayton.
Comment
CDA31069
Quercus chrysolepis
D. G. Kelch, Troy McGregor; Ed Biffin
2010-6-1
10 .232
Contra Costa
Mt. Diablo. Knobcone Point Rd.
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
UC1135564
Quercus durata
R. C. Wilson
1935-3-29
164
Contra Costa
1 mi w Deer Flat; Mount Diablo
685
Comment
UC1748011
Quercus garryana
E. Dean, M. Bowerman, B. Ertter, J. Tucker, J. Kerbavaz
2000-9-13
654
Contra Costa
Fossil Ridge, just upslope of South Gate Rd., just W of Gibralter Rock, SE of Rock City Mount Diablo State Park
487
Comment
UC691308
Quercus kelloggii
Mary L. Bowerman
1931-9-27
1047
Contra Costa
n side North Peak (Quicksilver Mine); Mount Diablo
Comment Read comments Jan 15 2014
JEPS75531
Quercus lobata
P. F. Yorks
1976-8-5
512
Contra Costa
n of Briones (2.4 km s of Bear Creek Road on Hampton Road in Hampton Road Natural Reserve)
200
Comment
UCD46828
Quercus lobata
John M. Burns
1959-8-16
s.n.
Contra Costa
Tilden Regional Park, Berkeley Hills, Contra Costa County, California.
1
Comment
UCD47072
Quercus palmeri
J. M. Tucker
1981-5-31
4459
Contra Costa
California, Contra Costa County: Antonio Souza Ranch southwest of Byron (extended Section NW quarter Sec. 31, R3E, T1S, Mt. Diablo Meridian).
309
Comment
UCD81372
Quercus palmeri
J. M. Tucker
1981-4-25
4453 -G
Contra Costa
Antonio Souza Ranch southwest of Byron. Mt. Diablo Meridian.
309
Comment
SBBG115590
Quercus parvula var. shrevei
E. Dean, B. Ertter, J. M. Tucker, K. Chaney
2000-9-13
650
Contra Costa
City of El Sobrante, El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Rd, jct of Heavenly Ridge Trail and Manzanita Trail
213
Comment
UCD17417
Quercus parvula var. shrevei
E. Dean; with B. Ertter, J. M. Tucker, and K. Chaney
2000-9-13
653
Contra Costa
California. Contra Costa County: City of El Sobrante; El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Rd., just south of junction of Heavenly Ridge Trail and Manzanita Trail, along Manzanita trail.
213
Comment
UCD47151
Quercus parvula var. shrevei
H. D. Jones
1910-11-26
s.n.
Contra Costa
Mt. Diablo, Contra Costa County.
Comment
CAS-BOT-BC104717
Quercus wislizeni
Le Roy Abrams
1910-10-8
4354
Contra Costa
Mt. Diablo summit
1158
Comment
UC691297
Quercus wislizeni
Mary L. Bowerman
1933-9-30
2449
Contra Costa
e end Meridian Flat; Mount Diablo
807
Comment
UC691310
Quercus wislizeni
Mary L. Bowerman
1931-5-19
868
Contra Costa
Donner Canyon trail Mount Diablo
274
Comment
SEINET13954084
Quercus wislizeni
Peter H. Raven
1950-1
1355
Contra Costa
Muraga Ridge
305
Comment
CDA22082
Quercus wislizeni var. wislizeni
D. G. Kelch
2004-3-13
4 .04
Contra Costa
Mt Diablo Region.; Road cut along Marsh Creek Rd about 1.5 miles W of Deer Valley Rd.
Comment
SJSU10139
Quercus wislizeni var. wislizeni
A. W. Jacobs
1938-10-1
Contra Costa
lower E slope of Mt Diablo, 5 mi S of Clayton
Comment
CAS-BOT-BC379108
Ranunculus aquatilis var. diffusus
W. W. Carruth
1902-4-29
s.n.
Contra Costa
Mount Diablo
Comment
POM268432
Ranunculus californicus
Lyman Benson
1935-3-16
6271
Contra Costa
Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo.
915
Comment
POM268438
Ranunculus californicus
Mary L. Bowerman
1931-2-22
521
Contra Costa
Sycamore Canyon
Comment
SEINET13717644
Ranunculus californicus
Unknown
1948-2-12
1103
Contra Costa
West facing slope along Bear Creek Canyon in Lawson Hill area.
Comment
UC692188
Ranunculus canus
Mary L. Bowerman
1931-3-21
587
Contra Costa
Sycamore Canyon Mount Diablo
335
Comment
POM268437
Ranunculus canus var. laetus
Mary L. Bowerman
1931-3-8
563
Contra Costa
W bank of Mitchell Canyon near mouth with oak and pines
Comment
UC1607964
Ranunculus hebecarpus
Donald G. Nelson
1937-4-29
507
Contra Costa
Road from Pinole south towards Alhambra Road Pinole
Comment
UC692123
Ranunculus hebecarpus
Mary L. Bowerman
1931-3-29
613
Contra Costa
Riggs Canyon Mount Diablo
Comment
UC9445
Ranunculus hebecarpus
Geol. Survey
1862-1
1049
Contra Costa
Mt. Diablo; foothills
Comment
CDA33805
Ranunculus hebecarpus
D. G. Kelch, Abigail Moore, Michael Park, Troy
2010-5-15
10 .113
Contra Costa
Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot.
0
Comment
SEINET9161829
Ranunculus lobbii
B. Ertter, D. Gowen
2006-3-1
18665
Contra Costa
Upper San Leandro Reservoir Watershed (EBMUD) S of Moraga, along SE end of Rocky Ridge Road as it drops to King Canyon Road.
180
Comment
JEPS54990
Ranunculus muricatus
W. L. Jepson
1918-6-5
7593
Contra Costa
Donner Canyon Mt. Diablo
Comment
POM269270
Ranunculus muricatus
Mary L. Bowerman
1933-4-15
1844
Contra Costa
Canyon south of Arroyo del Cerro, about 250 ft. below spring;
Comment
POM300585
Ranunculus muricatus
Mary L. Bowerman
1938-5-25
3629
Contra Costa
Arroyo Del Cerro by N road
Comment
PASA2644
Ranunculus occidentalis
Annetta Carter
1929-3-31
140
Contra Costa
Near Clayton
Comment
UC2028579
Ranunculus occidentalis
Barbara Ertter with Linda Vorobik
2001-3-24
17572
Contra Costa
Lime Ridge Open Space east of Walnut Creek, eastern edge overlooking Crystyl Springs subdivision.
Comment
RSA85297
Ranunculus occidentalis var. ultramontanus
F. W. Peirson
1925-7-1
6171
Contra Costa
Wood borders, State Line, Lake Tahoe
Comment Read comments Feb 10 2013
CDA33564
Ranunculus sceleratus
Guise, Deviney
2010-5-28
PDR# 1645152
Contra Costa
Danville; Mariani Ranch, Finley Rd. near School Street.
0
Comment
UC2029070
Raphanus raphanistrum
Barbara Ertter
2000-7-16
17414
Contra Costa
Little Pine Creek Road on west side of Mount Diablo.
Comment
JEPS79401
Rhamnus californica
Edward Lee with C. Belshaw
1935-12-28
1705
Contra Costa
near Las Trampas Peak summit; Las Trampas Peak
502
Comment
JEPS112065
Rhamnus crocea
A. G. Murdock
2004-5-28
290
Contra Costa
Pinole Peak
405
Comment
UC692581
Rhamnus crocea
Mary L. Bowerman
1930-6-22
360
Contra Costa
Mitchell Canyon Mount Diablo
Comment
POM136516
Rhamnus ilicifolia
A. D. E. Elmer
1903-05
4326
Contra Costa
Mount Diablo.
Comment
UC1121873
Rhamnus ilicifolia
R. W. Lundh
1932-8-15
127
Contra Costa
1 mi w Round Valley; Mt. Diablo Quad.
228
Comment
UC73348
Rhamnus ilicifolia
Milo S. Baker
1904-6-24
Contra Costa
near summit of Mt. Diablo; Mt. Diablo
Comment
UC1818932
Rhamnus tomentella subsp. tomentella
Barbara Ertter, Brad Olson, Diane Lake
1996-4-14
14593
Contra Costa
East side of Mt. Diablo, mid-slope on Prospectors-Gap Rd. in solid brushland.
Comment
CAS-BOT-BC200695
Rhus aromatica
Peter H. Raven; H. L. Mason; R. Ornduff; et al.
1957-4-11
10625
Contra Costa
Curry Canyon, 4.0 mi. s. of Recreation Ground
Comment
UC466053
Ribes
Tracy J. Storer
1912-7-13
Contra Costa
Mt. Diablo
914
Comment
CAS-BOT-BC92920
Ribes californicum var. californicum
John Thomas Howell
1931-2-21
5730
Contra Costa
North side of Mount Diablo.
Comment
UC11524
Ribes divaricatum var. pubiflorum
J. Burtt Davy
1895-4-13
997
Contra Costa
near Lafayette
Comment
CAS-BOT-BC168921
Ribes malvaceum
L. R. Abrams
1921-5-25
8060
Contra Costa
Near summit Mt. Diablo
Comment
UC1614322
Ribes malvaceum
Charles M. Belshaw
1935-12-28
1422
Contra Costa
Las Trampas Ridge, on trail above ranch house Las Trampas Ridge
Comment
CAS-BOT-BC206014
Ribes menziesii
Mary L. Bowerman
1933-6-3
2231
Contra Costa
Mount Diablo. Summit
Comment
SEINET5339680
Ribes menziesii var. leptosmum
P. Del Monte
1976-3-28
s.n.
Contra Costa
Morgan territory road, 1 mile from junction with Marsh creek road
122
Comment
SEINET13942922
Ribes victoris
Joseph Andorfer Ewan
1936-1
9739
Contra Costa
Thickets along Wildcat Creek
Comment
CAS-BOT-BC362962
Rigiopappus leptocladus
Mary L. Bowerman
1931-4-4
669
Contra Costa
Mount Diablo. West of Turtle Rock
Comment
CAS-BOT-BC362963
Rigiopappus leptocladus
Brandegee
1889-5-1
s.n.
Contra Costa
Antioch
Comment
CDA30988
Rigiopappus leptocladus
D. G. Kelch, Abigail Moore
2010-4-7
10 .096
Contra Costa
Mt. Diablo. Upper Mitchell Canyon.
Comment Read comments May 4 2013
UC691502
Rigiopappus leptocladus
Mary L. Bowerman
1933-5-10
2064
Contra Costa
ridge below Indian Ceremonial Spring; Mount Diablo
Comment
CAS-BOT-BC362964
Rigiopappus leptocladus
Brandegee
No date on label
s.n.
Contra Costa
Antioch
Comment
UC1795706
Rigiopappus leptocladus
Barbara Ertter, Susan D'Alcamo
1994-4-24
12463
Contra Costa
Mount Diablo east Walnut Creek, Bald Ridge Trail above Murchio Gap
762
Comment
UC1050660
Rondeletia gratissima
N. Floy Bracelin
1943-5-23
1178
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC1795617
Rosa
Barbara Ertter
1993-4-2
11481
Contra Costa
along railroad west of Crockett at west edge of Carquinez Straits
Comment
SEINET10543521
Rosa californica
Walter H. Lewis, Barbara J. Ertter
2005-2-8
Lewis 15910
Contra Costa
Marsh Creek Rd at Power Line Crossover, north foot of Mt. Diablo by Marsh Creek; large colony along creek, open live oak woods.
Comment
UC691162
Rosa californica
Mary L. Bowerman
1930-6-26
375
Contra Costa
junction of Riggs Canyon Rd and Livermore Road; Mount Diablo
Comment
UC691165
Rosa californica
Mary L. Bowerman
1930-8-24
438
Contra Costa
by road Mount Diablo, Mitchell Canyon
Comment
CAS-BOT-BC148106
Rosa gymnocarpa
Paul F. Covel
1936-4-19
209
Contra Costa
Las Trampas Canyon
Comment
OBI70554
Rosa gymnocarpa
D. G. Kelch, D. A. Weinstein
2008-4-15
8 .046
Contra Costa
Carquinez Strait: S Port Costa along Mckewen rd (
137
Comment
UC555497
Rosa gymnocarpa
Herbert L. Mason
1924-11-23
1172
Contra Costa
Cashion Creek Las Trampas Ridge
Comment
CAS-BOT-BC147152
Rubus laciniatus
Walter Knight; Bill Burley
1979-8-18
3445
Contra Costa
Browns Island, Point Emmett
Comment
JEPS47707
Rubus ursinus
W. L. Jepson
1943-6-8
20845
Contra Costa
on ne slope Moraga Ridge (near the foot of trail that goes up the hill at n end to summit); ne slope of Moraga Ridge
Comment
SJSU5858
Rubus ursinus
C. O. Dudley
1966-5-1
Contra Costa
Reliez Valley, Briones Hills, N of Lafayette
152
Comment
JEPS75495
Rumex acetosella
P. F. Yorks
1976-5-31
510
Contra Costa
ca 1.4 km s Bear Creek Road (on Hampton Road in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve
180
Comment
CAS-BOT-BC421737
Rumex conglomeratus
Irja Knight; W. Knight
1977-5-22
s.n.
Contra Costa
Antioch Dunes.
Comment
CAS-BOT-BC421739
Rumex conglomeratus
Walter Knight
1965-9-7
1176
Contra Costa
Antioch sand dunes.
Comment
UC692070
Rumex crispus
Mary L. Bowerman
1930-10-4
478
Contra Costa
Maple Spring Mount Diablo
Comment
CAS-BOT-BC421624
Rumex crispus
W. Knight; I. Knight
1977-5-22
s.n.
Contra Costa
Antioch Dunes.
Comment
UCD101352
Rumex occidentalis
P. B. Kennedy
1916-5-11
s.n.
Contra Costa
Grand View Terrace; Richmond District.
Comment
CDA34275
Rumex pulcher
D. G. Kelch
2009-5-24
9 .299
Contra Costa
Carquinez Strait; S of Ozol, W/SW of Martinez.
Comment
JEPS107084
Rumex salicifolius var. crassus
Barbara Ertter, Brad Olson
1994-5-7
12762
Contra Costa
S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge. Edge of San Francisco Bay.
Comment
UC1948962
Rumex transitorius
William J. Ferlatte, L. Maynard Moe
1970-4-27
1216
Contra Costa
San Francisco Bay: Red Rock Island
Comment
POM118953
Ruppia cirrhosa
Edward Palmer
2673
Contra Costa
Byron Hot Springs.
Comment
UC1818938
Sagina apetala
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14056
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, road behind honses traversing north facing slope, mixed forest with much undergrowth.
Comment
UC2028160
Sagina apetala
Barbara Ertter
1998-4-4
15948
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo, SE of Indian Valley School.
Comment
CAS-BOT-BC445700
Sagittaria latifolia
Vincent Jones
1920-8-29
s.n.
Contra Costa
Orwood
Comment
CDA23459
Salicornia pacifica
D. G. Kelch, A. G. Murdock
2003-8-13
3 .098
Contra Costa
Carquinez Strait Region; Martinez Marsh.
Comment
UC407392
Salix exigua var. hindsiana
Ira L. Wiggins
1930-4-18
4587
Contra Costa
levee banks Jersey Isl.
Comment
POM181448
Salix gooddingii
I. L. Wiggins
1930-4-18
4591
Contra Costa
Jersey Island.
Comment
POM167733
Salix laevigata
H. P. Chandler
1901-3-22
859
Contra Costa
Pacheco.
Comment
POM181440
Salix laevigata
I. L. Wiggins
1930-4-18
4601
Contra Costa
Jersey Island.
Comment
UC437380
Salix laevigata
J. Burtt Davy
1895-4-13
1005
Contra Costa
near Lafayette
Comment
UC650582
Salix laevigata
Ira L. Wiggins
1930-4-18
4601
Contra Costa
levee banks Jersey Island
Comment
UC691924
Salix laevigata
Mary L. Bowerman
1935-6-1
3119
Contra Costa
by rd. just below Silver Springs Grapevine Picnic Grounds; Mt. Diablo
853
Comment
POM300610
Salix lasiolepis
Mary L. Bowerman
1933-4-9
1830
Contra Costa
Donner Canyon, W fork. Below Twin Peaks. Mt. Diablo.
Comment
POM300612
Salix lasiolepis
Mary L. Bowerman
1931-2-8
512
Contra Costa
Mt. Diablo. By road.
762
Comment
UC1196652
Salix lasiolepis
Joseph P. Tracy
1932-9-10
10786
Contra Costa
Franklin Canyon Northern Coast Ranges (head)
152
Comment
UC1196658
Salix lasiolepis
Joseph P. Tracy
1930-11-27
9260
Contra Costa
near Lafayette
304
Comment
CAS-BOT-BC129552
Salix lasiolepis var. lasiolepis
Alice Eastwood
1914-2-24
3730
Contra Costa
Antioch
Comment
CAS-BOT-BC129553
Salix lasiolepis var. lasiolepis
Walter Knight
1965-3-1
899
Contra Costa
Antioch dunes, by water's edge - north side of dunes
Comment
CAS-BOT-BC129554
Salix lasiolepis var. lasiolepis
Walter Knight
1965-3-1
s.n.
Contra Costa
Antioch dunes, by water's edge - Carquinez Straights
Comment
UC1280876
Salix scouleriana
H. E. McMinn
1925-4
18
Contra Costa
head of San Leandro Creek
Comment
UC1949074
Salsola tragus
Barbara Ertter with CNPS
1990-9-16
9644
Contra Costa
Bethel Island NE of Brentwood, E end of Gateway Road at W edge of Franks Tract State Recreation Area
Comment
UC691722
Salvia columbariae
Mary L. Bowerman
1933-5-2
1942
Contra Costa
below Pioneer Camp, Mount Diablo; Mount Diablo
762
Comment
UC25730
Salvia mellifera
H. N. Bolander
Apr 1866
6317
Contra Costa
Mount Diablo
Comment
UC691477
Salvia mellifera
Mary L. Bowerman
1932-2-28
1096
Contra Costa
n of junction of Curry Canyon and trail to Cave Point; Mount Diablo
533
Comment
UC2055610
Salvia spathacea
Mary Bowerman
1972-5-6
s. n.
Contra Costa
Pine Canyon, 1/4 mile up canyon from lowest reservoir.
Comment
UC2029120
Salvia spathacea
Barbara Ertter
2000-10-26
17549
Contra Costa
west side Mount Diablo, Stage Road in lower Pine Canyon, on top of steep cut on west side of road opposite Castle Rock.
Comment
UCSB4634
Sanicula bipinnata
Kamb, Peter; Chisaki, Francia
1950-3-18
Contra Costa
Head of Pine Canyon, Mt. Diablo
533
Comment
JEPS111596
Sanicula bipinnatifida
A. G. Murdock
2004-3-19
236
Contra Costa
McEwen Road
150
Comment
JEPS111611
Sanicula bipinnatifida
D. G. Kelch
2004-3-5
04 .6
Contra Costa
Martinez - Rankin Open Space
56
Comment
JEPS77017
Sanicula crassicaulis
Robert M. Lloyd
1963-3-17
2143
Contra Costa
0.5 mi e of intersection of Grizzly Peak Road and Skyline Drive ( on Skyline (across from 7090 Skyline), Huckleberry Trail); Huckleberry Trail
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
UC1555367
Sanicula crassicaulis
Jerry Powell
1988-4-8
1527
Contra Costa
west Richmond, Point Molate Point Molate; Richmond, Point Molate
Comment
UC1948950
Sanicula crassicaulis
William J. Ferlatte, L. Maynard Moe
1970-4-27
1226
Contra Costa
San Francisco Bay: Red Rock Island
Comment
UCD127982
Sanicula crassicaulis
P. B. Kennedy
1925-4-26
s.n.
Contra Costa
near Sycamore Canon Trail, Mt. Diablo.
Comment
SBBG122982
Sanicula saxatilis
B. Ertter et al.
1991-4-7
9728
Contra Costa
Eagle Pk on Mt Diablo
Comment
JEPS955
Sanicula tuberosa
W. L. Jepson
1922-5-23
9663
Contra Costa
Mount Diablo
Comment
JEPS111609
Scandix pecten-veneris
D. G. Kelch
2003-4-3
03 .349
Contra Costa
Cummings Skyway South of Cummings Skyway and Crockett Blvd
134
Comment
UC1745553
Scandix pecten-veneris
Annetta M. Carter, Florence Dickson, Howard Custer
1939-5-30
1441
Contra Costa
0.8 mi. S of Lafayette.
121
Comment
JEPS125931
Schinus molle
D. W. Taylor
2001-3-1
17609
Contra Costa
1 mile W of Pittsburg, along the abandoned tracks of the Sacramento Northern Railroad, ca 500 m W of the Pittsburg Power Plant.
Comment
UC1618278
Schoenoplectus acutus var. occidentalis
Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss
1991-8-18
10708
Contra Costa
opposite Pittsburg Marina (near w end of island, n of Pittsburg, near confluence of Sacramento and San Joaquin rivers); Browns Island
Comment
POM181474
Schoenoplectus californicus
I. L. Wiggins
1930-4-18
4592
Contra Costa
Jersey Island.
Comment
CAS-BOT-BC111466
Schoenoplectus californicus
Walter Knight
1978-8-27
3203
Contra Costa
At reservoir's edge, Contra Loma Regional Park.
30
Comment
UC2070498
Schoenoplectus californicus
Barbara Ertter
2005-8-15
18630
Contra Costa
East side of Contra Loma Reservoir south of Antioch, marsh in SE cove.
Comment
JEPS111885
Scirpus acutus
D. G. Kelch
2003-8-13
03 .106
Contra Costa
Martinez Marsh
0
Comment
CDA32274
Scirpus maritimus
G. F. Hrusa, D. Crowe, R. York
1998-7-17
14724
Contra Costa
Sacramento Delta; Colony in bottom of now dry drainage/wash through disturbed grasslands at E end of Dow Chemical property. Site clearly wet earlier in season, but w/out standing water at this time.
Comment
UC692194
Scirpus microcarpus
Mary L. Bowerman
1942-10-4
3851
Contra Costa
Mount Diablo Mount Diablo (Russelman Park Road)
243
Comment
PASA1037
Scrophularia californica
Annetta Carter
1929-3-31
Contra Costa
Near Clayton. Hills north of Mt. Diablo
Comment
CAS-BOT-BC240055
Secale cereale
Alice Eastwood
1921-4-18
10313
Contra Costa
Antioch
Comment
UC2028307
Sedum radiatum
Barbara Ertter, Susan D'Alcamo
1998-6-12
16196
Contra Costa
East end Bald Ridge Trail W of Prospectors Gap on north side of Mount Diablo summit.
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
JEPS37616
Senecio flaccidus var. douglasii
W. L. Jepson
1923-10-4
10224
Contra Costa
Brannan Island Antioch
Comment
JEPS79323
Senecio flaccidus var. douglasii
Edward Lee with Annetta Carter
1935-8-17
1634
Contra Costa
Antioch
Comment
JEPS37189
Senecio hydrophilus
W. L. Jepson
1923-9-13
10210
Contra Costa
n of Cerrito Creek; Berkeley Hills
Comment
UC1561248
Senecio minimus
Barbara Ertter
1989-9-30
8862
Contra Costa
along streamlet at base of brush-covered slope,just n Tilden Park border; Wildcast Regional Park, East Bay Skyline Natl Recreation Tr
Comment
JEPS111511
Senecio sylvaticus
D. G. Kelch
2005-5-13
05 .274
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive
66
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
JEPS111875
Sequoia sempervirens
D. G. Kelch
2004-3-5
04 .2
Contra Costa
Martinez - Rankin Open Space Rankin Park, Martinez, Contra Costa County, CA. Sapling waif to 2 ms. In shade of Canyon. Probably seeded from nearby horticultural planting.
27
Comment
UC1050201
Sequoia sempervirens
N. Floy Bracelin
1942-12-13
1712
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
CAS-BOT-BC80262
Sequoia sempervirens
H. M. Hall
1902-3-4
2700
Contra Costa
San Leandro Creek
Comment
UC2062676
Sequoia sempervirens
Barbara Ertter with Dan Norris
2000-12-3
Contra Costa
Mount Diablo, west fork of Sycamore Canyon.
Comment
CDA33500
Sesbania punicea
Slate
2010-7-6
PDR# 1649539
Contra Costa
Alamo; 155 Via Bonita
0
Comment
CHSC99212
Sesuvium verrucosum
John Dittes
2006-10-26
1411
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
CHSC116634
Sherardia arvensis
Lowell Ahart; Josephine Guardino
2016-4-19
20802
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
UC1614102
Sidalcea malviflora subsp. malviflora
Charles M. Belshaw
1935-6-24
784
Contra Costa
Bald Peak ca. 1/2 miles east of Grizzly Peak
Comment
CDA31177
Silene gallica
D. G. Kelch, Troy McGregor; Ed Biffin
2010-6-1
10 .219
Contra Costa
Mt. Diablo. Knobcone Point Rd.
Comment
UC1948957
Silene gallica
William J. Ferlatte, L. Maynard Moe
1970-4-27
1254
Contra Costa
San Francisco Bay: Red Rock Island
Comment
CAS-BOT-BC364795
Silybum marianum
Walter Knight; Bob Doyle; Wayne Roderick; Steve Edwards
1978-9-19
3252
Contra Costa
Browns Island. South Landing
Comment
UC2028152
Sinapis arvensis
Barbara Ertter
1998-4-4
15959
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo.
Comment
UC691054
Sisymbrium officinale
Mary L. Bowerman
1930-6-3
231
Contra Costa
Mount Diablo, West road, 1.9 mi from entrance, (West road = North road) Mount Diablo; , West road
Comment
CHSC24841
Sisyrinchium bellum
M. A. Callahan
1976-4-15
17
Contra Costa
Top of ridge ca. 145m e of house at 1976 Mohawk Dr. Pleasant Hill.
152
Comment
RSA0068486
Sisyrinchium bellum
Katie Gallagher, Nick Jensen
2014-4-26
188
Contra Costa
Las Trampas Regional Wilderness.
396
Comment
SEINET8887765
Sisyrinchium bellum
H. E. Hodge
1956-4-7
21
Contra Costa
2 miles north of Orinda
61
Comment
UC1606338
Solanum americanum
Barbara Ertter, Brad Olson
1991-9-28
10845
Contra Costa
between Orinda and El Sobrante (s end of San Pablo Reservoir); San Pablo Reservoir
94
Comment
CAS-BOT-BC156304
Solanum umbelliferum
D. D. Keck
1933-11-2
2619
Contra Costa
1 mi. S.E. of Oakley
Comment
UC1125032
Solanum umbelliferum
R. W. Lundh
1932-8-25
142
Contra Costa
Mount Diablo
838
Comment
POM204481
Solanum umbelliferum
J. T. Howell
1933-5-14
11291
Contra Costa
Hills east of St. Mary's college
Comment
POM215197
Solanum umbelliferum
D. D. Keck
1933-11-2
2619
Contra Costa
1 mile SE of Oakley.
Comment
UC63939
Solanum umbelliferum
Earle Mulliken
1903-5-10
51
Contra Costa
Berkeley Hills
Comment
JEPS75542
Solidago velutina subsp. californica
P. F. Yorks
1975-9-6
495
Contra Costa
on Hampton Road ca 1.4 km s Bear Creek Road beyond entrance gate to Hampton Road Nature Reserve (n of Briones Reservoir); beyond entrance gat to Hampton Road Nature Reserve, Briones
170
Comment
UC2028128
Soliva sessilis
Barbara Ertter with Richard K. Brummitt
1998-5-6
16080
Contra Costa
Base of Mitchell Rock Trail on north base of Mount Diablo.
Comment
CDA29496
Sonchus asper
D. G. Kelch, Troy MacGregor
2009-5-1
9 .269
Contra Costa
Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension.
Comment
CHSC75065
Sonchus oleraceus
Roger Thom
1987-5-26
22
Contra Costa
1100 block of Hillside Ave. Walnut Creek. Roadside.
36
Comment
UC691439
Sonchus oleraceus
Mary L. Bowerman
1932-4-27
1369
Contra Costa
w facing bank of ridge w Riggs Canyon (Oyster Ridge, Mount Diablo); Mount Diablo, s face Oyster Ridge
Comment
UC691790
Sonchus oleraceus
Mary L. Bowerman
1935-4-12
2813
Contra Costa
North Road Mount Diablo (Mount Diablo)
198
Comment
CAS-BOT-BC236611
Spartina foliosa
John Thomas Howell
1932-10-8
10793
Contra Costa
Mouth of Rodeo Creek
Comment
CDA42411
Spartium junceum
D. G. Kelch, Vince Guise
2012-7-26
12 .237
Contra Costa
Wildcat Canyon Park, Alvarado Unit.
Comment
UC1795742
Spergularia bocconi
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14027
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, along road thru annual grassland with scattered blue oak south of Marsh Creek Road summit.
304
Comment
RSA0097921
Spergularia bocconi
Barbara Ertter, Mary L. Bowerman
1995-5-7
14027
Contra Costa
NE side of Mount Diablo SE of Clayton, along road south of Marsh Creek road summit.
305
Comment
JEPS111787
Spergularia macrotheca var. macrotheca
D. G. Kelch
2005-3-24
05 .48
Contra Costa
Point Pinole Pt. Pinole near wharf
2
Comment
CDA15233
Spergularia marina
G. F. Hrusa, D. Crowe
1998-5-8
14362
Contra Costa
Sacramento Delta; \ E end of Dow Chemical property at Pittsburg.
Comment
JEPS111531
Spergularia marina
D. G. Kelch
2005-5-5
05 .215
Contra Costa
Point Pinole - Giant Marsh
3
Comment
UC2070545
Spergularia marina
Barbara Ertter
2003-3-28
18123
Contra Costa
Round Valley Regional Preserve, north end of Round Valley along Murphy's Meadow trail.
Comment
UC1618137
Spergularia rubra
Barbara Ertter with Chris Thayer and Dianne Lake
1996-5-16
14681
Contra Costa
w of Richmond (Point Molate Naval Fuel Depot overlooking San Francisco Bay, around Tank 14); San Francisco Bay, Point Molate Naval Fuel Depot
Comment
RSA0028903
Spergularia rubra
Barbara Ertter, Dan Norris
1999-11-14
16852
Contra Costa
Black Diamond Mines Regional Preserve, south of parking area for Somersville townsite.
Comment
JEPS111784
Spergularia villosa
D. G. Kelch
2004-4-26
04 .141
Contra Costa
Point Pinole
1
Comment
UC1618132
Spergularia villosa
Barbara Ertter, Brad Olson
1994-5-7
12747
Contra Costa
s end of Point Molate Beach Park w of Richmond (n of bridge to San Rafael, San Francisco Bay, along old railroad grade); San Francisco Bay, Point Molate Beach Park
Comment
UC1948952
Spergularia villosa
William J. Ferlatte, L. Maynard Moe
1970-4-27
1258
Contra Costa
San Francisco Bay: Red Rock Island
Comment
CDA22505
Stachys ajugoides var. rigida
D. G. Kelch, D. A. Weinstein
2008-4-25
8 .077
Contra Costa
Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland.
Comment Read comments Jan 7 2016
JEPS112462
Stachys ajugoides var. rigida
D. G. Kelch
2004-4-11
04 .57
Contra Costa
Crockett - 5th St. Prairie
85
Comment
UC884274
Stachys ajugoides var. rigida
Lewis S. Rose
1935-5-16
35172
Contra Costa
Mt. Diablo
Comment
RSA762305
Stachys ajugoides var. rigida
William J. Ferlatte, L. M. Moe
1970-4-27
1224
Contra Costa
San Francisco Bay, Red Rock Island.
Comment
UC25936
Stachys ajugoides var. rigida
W. L. Jepson
Contra Costa
Fish Ranch
Comment
CDA35678
Stachys bullata
Deviney
2011-12-9
PDR# 1641237
Contra Costa
Orinda; Tilden Botanical Garden/Nursery, Wildcat Canyon Road.
0
Comment
UC2055617
Stachys pycnantha
Joseph Andorfer Ewan
1933-10-15
8035
Contra Costa
SW slope Mt. Diablo.
1066
Comment
UC2055618
Stachys pycnantha
Joseph Andorfer Ewan
1933-10-15
8035
Contra Costa
SW slope Mt. Diablo.
1066
Comment
RSA289947
Stachys rigida subsp. quercetorum
Mary L. Bowerman
1932-5-6
1430
Contra Costa
Mitchell Canyon: at end of road; Mount Diablo.
252
Comment
JEPS68979
Stellaria nitens
Edward Lee
1935-3-29
1313
Contra Costa
Nortonville Kirker Creek (s watershed of Kirker Creek)
Comment
CAS-BOT-BC393980
Stellaria nitens
John Thomas Howell
1927-3-6
2284
Contra Costa
summit of Shell Ridge
243
Comment
UC692301
Stellaria pallida
Mary L. Bowerman
1935-4-19
2873
Contra Costa
about 7 mi from by rd Mount Diablo w entrance (= North Gate) (ridge w of power poles, above the road junction); Mount Diablo
670
Comment
SEINET238945
Stenotaphrum secundatum
Beecher Crampton
1966-10-18
7817
Contra Costa
Kensington Berkeley Hills Blake Garden UC Berkeley Department of landscape architecture.
Comment
SEINET11800583
Stephanomeria virgata
L. S. Rose
1938-1
38308
Contra Costa
Marsh Creek, 6 mi E of Clayton
152
Comment
SEINET7883496
Stephanomeria virgata
Lewis S. Rose
1938-1
38308
Contra Costa
Marsh Creek, 6 mi. e. of Clayton
152
Comment
UC2070661
Stipa lepida
Barbara Ertter
2002-5-11
17847 a
Contra Costa
Southwest base of Mount Diablo, lower end of Summit Trail in Dan Cook Canyon ca. half mile from South Gate Road.
Comment
UC2070619
Stipa miliacea var. miliacea
Barbara Ertter
2002-8-24
18016
Contra Costa
NE base of Mount Diablo, connector trail paralleling Morgan Territory Road along edge of private property (Mt. Diablo Mine)
Comment
UC2028403
Stipa pulchra
Barbara Ertter with Christopher Baysdorfer
1998-5-10
16121
Contra Costa
Lime Ridge Open Space northwest of Mount Diablo, quarry area on west side
Comment
UC2070615
Stipa pulchra
Barbara Ertter
2002-5-16
17851
Contra Costa
Richmond Field Station (UC-Berkeley).
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
UC691125
Streptanthus glandulosus subsp. glandulosus
Mary L. Bowerman
1935-5-8
2968
Contra Costa
North Road 2 mi from North Gate (just w of chaparral, se exposure); Mount Diablo
237
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-BC87342
Streptanthus hispidus
Alice Eastwood
1921-6-11
10603
Contra Costa
Mount Diablo near summit.
Comment
UC188151
Streptanthus hispidus
J. W. Congdon
1896-5-3
Contra Costa
summit Mt. Diablo
Comment
UC402744
Streptanthus hispidus
E. W. Hicks
1917-3-25
114
Contra Costa
s-facing slope of w shoulder Mt. Diablo
762
Comment
UC630664
Streptanthus hispidus
John L. Morrison and Lincoln Constance
1938-5-5
3027
Contra Costa
along Deer Flat trail ca 1/8 mi n Juniper Camp (steep n-facing talus slope); Mt. Diablo
Comment
RSA755534
Stuckenia filiformis subsp. filiformis
Barbara Ertter, Brad Olson, Dianne Lake, Lynne Hosley, Amy Hiss
1991-8-18
10715
Contra Costa
Browns Island N of Pittsburg near confluence of Sacramento and San Joaquin rivers opposite Pittsburg Marina.
Comment
RSA0026147
Stuckenia pectinata
Barbara Ertter
1998-6-20
16251
Contra Costa
Shell Ridge Open Space on NW side of Mount Diablo, Gypsy Flat Pond SW of Old Borges Ranch. Also in Joaquin Pond.
Comment
CAS-BOT-BC375966
Stylocline gnaphaloides
Brandegee
No date on label
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC422907
Stylomecon heterophylla
Paul F. Covel
1936-5-17
156
Contra Costa
Mt Diablo, on trail summit-north peak.
Comment
CAS-BOT-BC422920
Stylomecon heterophylla
James McMurphy
1910-4-9
s.n.
Contra Costa
Antioch.
Comment
JEPS75654
Stylomecon heterophylla
W. L. Jepson
1925-4-26
10683
Contra Costa
Black Hills Mt. Diablo; , Black Hills
Comment
UC692106
Stylomecon heterophylla
Mary L. Bowerman
1932-5-6
1410
Contra Costa
w bank Mitchell Canyon Mount Diablo; , w bank Mitchell Canyon
182
Comment
CAS-BOT-BC422909
Stylomecon heterophylla
Mary L. Bowerman
1932-5-6
1410
Contra Costa
Mount Diablo. Mitchell Canyon: West bank by floor of canyon.
243
Comment
UC117985
Stylomecon heterophylla
Michener and Bioletti
1892-4-10
841 a
Contra Costa
Byron [Alcalde] pencilled in Byron; Byron [Alcalde] pencilled in
Comment
UC72722
Stylomecon heterophylla
Miss Carlotta Case
July 1904
Contra Costa
Muir Station; beside track
Comment
UC1238003
Suaeda moquinii
John H. Weiler
1961-4-9
6173
Contra Costa
3 mi s Byron (e side of road)
Comment
CDA9506
Suaeda nigra
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .233
Contra Costa
Byron Airport.
Comment
UCR64448
Symphoricarpos rivularis
E. E. Stanford
1930-5-24
1509
Contra Costa
Marsh Creek Canyon
Comment
JEPS111656
Symphyotrichum chilense
Dean G. Kelch and Andrew G. Murdock
2003-9-12
AGM 204
Contra Costa
Selby, west of Crockett.
Comment
CAS-BOT-BC98039
Symphyotrichum lentum
L. R. Abrams
1917-9-24
6860
Contra Costa
Near Concord
Comment
JEPS125628
Symphyotrichum lentum
Daniel Slakey with CNPS Volunteers
2015-9-12
225
Contra Costa
Browns Island, northern part of Crooked Slough.
Comment
UC1422530
Symphyotrichum lentum
Alice Q. Howard and W. R. Powell
1977-6-1
38
Contra Costa
Antioch Dunes, within PG&E-owned strip under eastern power line
Comment
UC912542
Symphyotrichum subulatum
Herbert L. Mason
1929-9-21
5439
Contra Costa
1 mi from junction of Borden Highway and road to Antioch
Comment
CAS-BOT-BC98330
Symphyotrichum subulatum var. parviflorum
Walter Knight
1978-7-1
3107
Contra Costa
Martinez waterfront, near mouth of Alhambra Creek
Comment
CAS-BOT-BC376774
Tanacetum parthenium
John Thomas Howell
1942-6-28
17006
Contra Costa
Oakland Hills near Redwood Peak
Comment
UC1555368
Taraxia ovata
Jerry Powell
1988-2-18
1525
Contra Costa
Point Molate west Richmond
Comment
UC764060
Taraxia ovata
R. F. Hoover
1938-2-21
2755
Contra Costa
Point Richmond
Comment
UCD128119
Tauschia hartwegii
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
Between Diablo and Summit.
Comment
JEPS22095
Tetragonia tetragonoides
G. Thomas Robbins
1958-7-19
3906
Contra Costa
about 3/4 mi s of Point San Pablo (Point Orient, Potrero San Pablo, Richmond); San Francisco Bay, Point Orient, Potrero San Pablo
Comment
UC20473
Tetrapteron graciliflorum
W. H. Brewer
1109
Contra Costa
n Kirker Pass
Comment
NY185781
Thelypodium rigidum
E. L. Greene
1887-4-17
s.n.
Contra Costa
Comment
CAS-BOT-BC88251
Thysanocarpus curvipes
John Thomas Howell
1933-5-14
11271
Contra Costa
Hills east of Saint Mary's College.
Comment
CAS-BOT-BC88259
Thysanocarpus curvipes
Robert F. Hoover
1935-3-10
310
Contra Costa
Antioch sand dunes.
Comment
UC691061
Thysanocarpus curvipes
Mary L. Bowerman
1933-5-8
2032
Contra Costa
flat n of Rock City camp ground Mount Diablo; , n of Rock City camp ground
Comment
CAS-BOT-BC88246
Thysanocarpus curvipes
Alice Eastwood
1914-2-24
3737
Contra Costa
Anticoch.
Comment
UC11038
Thysanocarpus curvipes subsp. curvipes
W. H. Brewer
1862-5-12
1083
Contra Costa
Mt. Diablo
Comment
SEINET3166335
Thysanocarpus laciniatus
P. J. Alexander, C. D. Bailey
2009-3-30
968
Contra Costa
Mount Diablo State Park, 0.3 miles east of the summit of Mt. Diablo on the trail to North Peak, 8.7 miles ESE of central Walnut Creek.
1006
Comment
UC691139
Thysanocarpus laciniatus
Mary L. Bowerman
1932-3-27
1138
Contra Costa
Mount Diablo , below Mitchell Rock (below Mitchell Rock)
Comment
JEPS100127
Torilis nodosa
G. Smick
2003-5-8
GAS 186
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS111629
Torilis nodosa
D. G. Kelch
2005-5-1
05 .201
Contra Costa
Crockett - Edwards Canyon
100
Comment
RSA720806
Torilis nodosa
Barbara Ertter, Mary L. Bowerman
1995-6-11
14254
Contra Costa
Shell Ridge recreation area southeast of Walnut Creek, bank of Indian Creek above Indian Valley pond
76
Comment
UC1619980
Tragopogon porrifolius
Barbara Ertter
1991-5-12
9812
Contra Costa
s.w. corner El Cerrito (along old R.R. right-of-way between bay & salicornia marsh, Point Isabel Regional Shoreline, on San Francisco Bay); San Francisco Bay, Point Isabel Regional Shoreline
Comment
JEPS63121
Trichostema lanceolatum
W. L. Jepson
1895-9-14
14880
Contra Costa
Lafayette
Comment
UC615564
Trichostema lanceolatum
Beryl O. Schreiber
1933-10-5
939
Contra Costa
road to Mount Diablo
Comment
UC1614107
Trifolium
Charles M. Belshaw
1935-6-24
790
Contra Costa
ca. 1/2 mi. e. Grizzly Peak (Bald Peak); Bald Peak
Comment
CDA33823
Trifolium albopurpureum
D. G. Kelch
2010-5-15
10 .121
Contra Costa
Mt. Diablo. Trail from Juniper Camp to Deer Flat.
0
Comment
UC575674
Trifolium albopurpureum var. albopurpureum
Lewis S. Rose
1935-5-16
35174
Contra Costa
Mt. Diablo
Comment
JEPS65769
Trifolium barbigerum
W. L. Jepson
1917-4-14
6866
Contra Costa
Oakland Hills, near Redwood Peak
Comment Read comments Dec 17 2008
SBBG29986
Trifolium bifidum var. decipiens
J. T. Howell
1933-5-14
11264
Contra Costa
hills E of St Mary's College
Comment
UC1607691
Trifolium bifidum var. decipiens
Barbara Ertter, Lynne Hosley
1993-4-17
11510
Contra Costa
ca 10 air mi ne Livermore (hills in lee of Mt. Diablo, along Blue Oak Trail); Morgan Territiry
Comment
UC16436
Trifolium bifidum var. decipiens
J. Burtt Davy
1900-3-24
6517
Contra Costa
Stege
Comment
POM300697
Trifolium bifidum var. decipiens
Mary L. Bowerman
681
Contra Costa
South of Russelman Parak.
381
Comment
RSA0033775
Trifolium campestre
Barbara Ertter, Richard K. Brummitt
1998-5-6
16095
Contra Costa
Donner Canyon Trail near Regency Drive trailhead, north base of Mount Diablo.
182
Comment
UC2028114
Trifolium campestre
Barbara Ertter with Richard K. Brummitt
1998-5-6
16095
Contra Costa
Donner Canyon Trail near Regency Drive trailhead, north base of Mount Diablo.
Comment
CDA23626
Trifolium ciliolatum
D. G. Kelch
2008-4-12
8 .036
Contra Costa
Mt Diablo. Mitchell Canyon. Along road looping north of main Mitchell Canyon Rd.
Comment
CDA25739
Trifolium ciliolatum
D. G. Kelch
2008-4-12
8 .037
Contra Costa
Mt Diablo. Mitchell Canyon. Along road looping north of main Mitchell Canyon Rd.
Comment
CDA27926
Trifolium ciliolatum
D. G. Kelch, A. G. Murdock
2003-4-3
3 .35
Contra Costa
Carquinez Strait Region; Cummings Skyway. South of Cummings Skyway and Crockett Boulevard.
Comment
UC16529
Trifolium depauperatum var. amplectens
C. Michener
1891-4-23
Contra Costa
Point Isabel
Comment
UCSC011138
Trifolium depauperatum var. laciniatum
R. Morgan
2015-4-11
6739
Contra Costa
Byron
Comment
SEINET7096815
Trifolium depauperatum var. truncatum
A. G. Vestal
1985-4-1
s.n.
Contra Costa
Ca. 1.9 miles west of Byron on the Camino Diablo Road. NAD27, 37? deg. 51' 45ao, -121?_ 40' 26ao (converted to WGS84 decimal degrees)
Comment
UC1543246
Trifolium depauperatum var. truncatum
Donald G. Nelson
1937-3-30
476
Contra Costa
a few mi s Byron (on rr tracks paralleling the hwy, on rd ro Tracy)
Comment
UC1607665
Trifolium depauperatum var. truncatum
Barbara Ertter with Michelle Seidl
1992-3-14
10921
Contra Costa
E of Mount Diablo; Morgan Territory Regional Preserve
Comment
UC1861833
Trifolium depauperatum var. truncatum
Barbara Ertter, Chris Thayer
1995-4-25
13998
Contra Costa
Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd. on north side Black Hawk Ridge.
548
Comment
UC631080
Trifolium depauperatum var. truncatum
P. B. Kennedy
1928-4-19
10045
Contra Costa
Byron Hot Springs
Comment
UCD84949
Trifolium depauperatum var. truncatum
Chuck Hughes
2010-3-29
221
Contra Costa
About 0.4 mile southeast of Vasco Road.
124
Comment
POM127040
Trifolium depauperatum var. truncatum
Martinez
1889-4-15
s.n.
Contra Costa
[Unspecified]
Comment
RSA0027920
Trifolium depauperatum var. truncatum
Barbara Ertter
1998-4-4
15957
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo, summit of northwestern-most ridge.
Comment
UC2028081
Trifolium depauperatum var. truncatum
Barbara Ertter, Tony Morosco
1998-4-12
15988
Contra Costa
Base of Mount Olympia on north side of Mount Diablo, open flat below quarry NE of Olympia Trail.
Comment
POM18457
Trifolium dichotomum
C. F. Baker
1903-4-27
2797
Contra Costa
Byron.
Comment
JEPS100104
Trifolium dubium
G. Smick
GAS 108
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS65882
Trifolium fucatum
W. L. Jepson
1923-4-22
9857
Contra Costa
Mt. Diablo
Comment
UC16545
Trifolium fucatum
J. Burtt Davy
1895-4-7
959
Contra Costa
Antioch
Comment
UC924217
Trifolium fucatum
H. S. Reed
1940-4-30
356
Contra Costa
Marsh Creek northeast slopes of Mount Diablo
Comment
UC419042
Trifolium fucatum
H. E. and S. T. Parks
1930-4-1
542
Contra Costa
along hwy (in ditches); San Ramone
Comment
UC631617
Trifolium fucatum
P. B. Kennedy
1928-4-28
10094
Contra Costa
2 mi from Tunnel (on hwy)
Comment
JEPS100103
Trifolium glomeratum
G. Smick
2003-5-8
GAS 177
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
LA205246
Trifolium gracilentum
John Thomas Howell;
1933-5-14
11264
Contra Costa
E of St. Mary's College
Comment
UC692678
Trifolium gracilentum
Mary L. Bowerman
1935-4-26
2908
Contra Costa
w Indian Ceremonial Springs; Mount Diablo
1005
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
OBI12671
Trifolium macraei
G. Thomas Robbins
1959-5-17
4017
Contra Costa
Just NE of the jctn of Park Blvd, Skyline Blvd, and Manzaitas Dr, at the summit of Oakland Hills, Alameda-Contra Costa County boundary
351
Comment
JEPS100107
Trifolium microdon
G. Smick
2003-4-22
GAS 144
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS65989
Trifolium microdon
W. L. Jepson
May 23 1891-May 24 1891
13661
Contra Costa
Mt. Diablo
Comment
UC692254
Trifolium microdon
Mary L. Bowerman
1935-5-1
2933
Contra Costa
2 mi from entrance (West Road (=North Road)); Mount Diablo, West Road (=North Road)
182
Comment
UC764715
Trifolium microdon
R. F. Hoover
1939-4-25
4066
Contra Costa
Richmond hills
Comment
UC16656
Trifolium monanthum var. monanthum
Maclean
1875-7-5
Contra Costa
Mt. Diablo
Comment Read comments Feb 14 2013
UC165547
Trifolium oliganthum
Ivar Tidestrom
1895-4-13
Contra Costa
near Lafayette
Comment
UC866918
Trifolium oliganthum
Lewis S. Rose
1940-4-30
40252
Contra Costa
6 mi e Clayton (Marsh Creek)
60
Comment
UC2027837
Trifolium oliganthum
Barbara Ertter with Dan Norris
2001-4-15
17609
Contra Costa
West side Mount Diablo, head of W-facing drainage west of China Wall rock formation (off trail between Hanging Valley Trail and China Wall Road).
Comment
UC2028158
Trifolium oliganthum
Barbara Ertter
1998-4-4
15953
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo.
Comment
UCD32493
Trifolium olivaceum
Beecher Crampton
1950-4-22
534
Contra Costa
Contra Costa County, along State Highway 4, in Concord Valley.
30
Comment
PASA252
Trifolium tridentatum
Annetta Carter
1929-3-31
Contra Costa
Hills north of Mt. Diablo, near Clayton
Comment
CAS-BOT-BC26494
Trifolium triflorum
M. K. Curran
1883-1-1
s.n.
Contra Costa
Near Mt. Diablo
Comment
UC16787
Trifolium variegatum
Ivar Tidestrom
1893-4-15
Contra Costa
Sheep Island
Comment
UC16795
Trifolium variegatum var. melananthum
W. L. Jepson
1891-5-24
Contra Costa
Mt. Diablo
Comment
JEPS127672
Trifolium variegatum var. variegatum
Barbara Ertter with David Gowen and Michael Park
2017-5-2
22804
Contra Costa
West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road.
Comment
JEPS70759
Trifolium willdenovii
L. R. Heckard
1971-4-22
2493
Contra Costa
e Pinole (rr grade near US Hwy 80 crossing)
Comment
UC55884
Trifolium willdenovii
H. M. Hall
1901-3-17
1656
Contra Costa
Point Richmond Canyon
Comment
UC579846
Trifolium willdenovii
Annetta Carter
1936-4-19
1109
Contra Costa
e side of island Red Rock
Comment
UC692240
Trifolium willdenovii
Mary L. Bowerman
1935-4-12
2816
Contra Costa
2 mi from entrance = North Gate (w rd = n rd); Mount Diablo
259
Comment
UC692649
Trifolium willdenovii
Mary L. Bowerman
1931-5-7
813
Contra Costa
near saddle (ne slope, Meridian Peak); Mount Diablo
914
Comment
UCD109847
Trifolium willdenovii
W. L. Jepson
1925-4-26
10691
Contra Costa
Mt. Diablo.
Comment
POM18879
Trifolium willdenovii
H. P. Chandler
1901-3-22
841
Contra Costa
Concord.
Comment
POM300698
Trifolium willdenovii
Mary L. Bowerman
1933-5-11
2083
Contra Costa
Inner Black Hills: Grassy ridge, west end.
Comment
RSA517735
Trifolium willdenovii
Donald G. Nelson
1937-3-30
474
Contra Costa
Railroad tracks paralleling the highway south of Byron on road to Tracy
Comment
UC1819061
Trifolium willdenovii
Barbara Ertter, Gary Schoolcraft
1996-4-7
14570
Contra Costa
Point San Pablo in west Richmond, crest of road to yacht harbor, coastal grassland along ridge, scraped roadbed to tower.
Comment
UC2028157
Trifolium willdenovii
Barbara Ertter
1998-4-4
15954
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo.
Comment
JEPS127670
Triglochin scilloides
Barbara Ertter with David Gowen and Michael Park
2017-5-2
22800
Contra Costa
West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road.
Comment
UC508
Triglochin striata
Jos. Burtt Davy
1900-6-7
6676
Contra Costa
Martinez
Comment
JEPS78611
Triglochin striata
Walter Knight, L. R. Heckard and Bert Johnson
1978-9-28
3299
Contra Costa
Browns Isl., Botany Cove
Comment
UC692009
Trillium chloropetalum
Mary L. Bowerman
1931-3-21
592
Contra Costa
Mt. Diablo, Sycamore Canyon
350
Comment
JEPS111766
Triodanis biflora
Christopher Thayer
1995-6-5
Contra Costa
Pinole Peak
304
Comment
JEPS23787
Triphysaria eriantha subsp. eriantha
Rimo Bacigalupi with Paul C. Hutchison and John Weiler
1959-3-19
6970
Contra Costa
junction of Holey Road and Byron Road about 2.9 mi se Byron
4
Comment
UC103158
Triphysaria eriantha subsp. eriantha
C. F. Baker
1903-4-27
2792
Contra Costa
Byron
Comment
UC407378
Triphysaria eriantha subsp. eriantha
Ira L. Wiggins
1930-4-17
4571
Contra Costa
1/4 mi s Byron
Comment
UCD93500
Trisetum canescens
Beecher Crampton
1956-5-14
3423
Contra Costa
2 miles west of Martinez, on road to Crockett.
Comment
UC2070608
Trisetum canescens
Barbara Ertter with Debra Trock
2005-6-25
18609
Contra Costa
North end Redwood Regional Park, Stream Trail along Redwood Creek.
Comment
JEPS58064
Triteleia laxa
W. L. Jepson
1919-6-8
8332
Contra Costa
Mt. Diablo
Comment
UC765433
Triteleia laxa
R. F. Hoover
1939-4-25
4063
Contra Costa
Richmond hills
Comment
CAS-BOT-BC526331
Triteleia laxa
James McMurphy
1910-4-9
s.n.
Contra Costa
Antioch
Comment
SEINET11268160
Triteleia laxa
Barbara Ertter
1998-4-4
15970
Contra Costa
Northwest of Mount Diablo, Fossil Hill, Middle of NE-facing slope.; 0
122
Comment
UCSB829
Triteleia laxa
Hand, B.
1960-4-10
Contra Costa
1.8 miles from south gate on Mt. Diablo road, Mt. Diablo
Comment
UCR81450
Tropidocarpum capparideum
Edward L. Greene
1888-3-25
s.n.
Contra Costa
Byron Springs
107
Comment
UC136962
Tropidocarpum gracile
K. Brandegee
April, 1889
Contra Costa
Antioch
Comment
UC64343
Tropidocarpum gracile
H. M. Hall
1901-4-5
1742
Contra Costa
Pine Canyon Region of San Francisco Bay, Mt. Diablo
Comment
UC857585
Tropidocarpum gracile
Lewis S. Rose
1940-4-30
40249
Contra Costa
open fields five mi e Clayton; Marsh Creek
60
Comment
UC857586
Tropidocarpum gracile
Lewis S. Rose
1940-4-30
40249 A
Contra Costa
5 mi e Clayton (fields); Marsh Creek
60
Comment
CAS-BOT-BC80208
Tsuga mertensiana subsp. grandicona
Phil Blumberg; M. Polland; R. Barnet; J. MacCarthy
1962-8-7
s.n.
Contra Costa
Bryan Meadows
Comment
CDA1418
Typha angustifolia
D. G. Kelch, Andrew G. Murdock
2003-8-13
3 .105
Contra Costa
Carquinez Strait Region; Martinez Marsh.
Comment
JEPS111916
Ulmus minor
Dean G. Kelch and Andrew G. Murdock
2004-4-26
DGK 04 .131
Contra Costa
Point Pinole.
Comment
UC2061510
Ulmus minor
Dean G. Kelch
2016-4-30
16 .103
Contra Costa
Carquinez Strait: Selby, west of Crockett. On west side of canyon near old dwelling foundation.
Comment
UC2070596
Ulmus minor
Barbara Ertter with Chris Thayer
2002-4-13
17826
Contra Costa
North side of Mount Diablo, on north face of Mount Olympia.
Comment
CAS-BOT-BC91092
Umbellularia californica
Annetta Carter
1937-3-20
1224
Contra Costa
Lake Orinda Road, two miles northwest of Orinda.
121
Comment
CDA24511
Umbellularia californica
D. G. Kelch, A. G. Murdock
2003-2-7
03 .037.B
Contra Costa
Carquinez Strait Region; Franklin Canyon.
Comment
JEPS112485
Umbellularia californica
D. G. Kelch
2004-3-5
04 .13
Contra Costa
Sky Ranch Dutra Fire Road. Franklin Canyon
90
Comment
UC1073383
Umbellularia californica
George B. Rossbach
1955-2-20
277
Contra Costa
ne of Oakland
Comment
UC1126325
Umbellularia californica
H. S. Yates
1936-3-14
5362
Contra Costa
Marsh Creek
381
Comment
CDA37275
Umbellularia californica
D. G. Kelch
2009-12-21
9 .712
Contra Costa
Vicinity of Richmond; canyon northeast of Alvarado Park.
0
Comment
JEPS100166
Uropappus lindleyi
G. Smick
2003-4-8
GAS 129
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC691466
Uropappus lindleyi
Mary L. Bowerman
1932-4-27
1396
Contra Costa
canyon w Riggs Canyon (s face Oyster Ridge, Mount Diablo); Mount Diablo, s face Oyster Ridge
335
Comment
CAS-BOT-BC381824
Uropappus lindleyi
Paul F. Covel
1938-5-8
9
Contra Costa
Mt. Diablo - So. slope
Comment
UCR263554
Urospermum picroides
Barbara Ertter
1990-6-18
9133
Contra Costa
San Francisco Bay Region, Tilden Regional Park, along Nimitz hiking/bicycle trail near Inspiration Point
206
Comment
JEPS111920
Urtica dioica subsp. holosericea
Dean G. Kelch and Andrew G. Murdock
2004-5-7
DGK 04 .197
Contra Costa
Canada del Cierbo.
Comment
UC635677
Utricularia gibba
H. L. Mason
1929-9-21
5441
Contra Costa
1 mi. n. from junction of Borden Hwy. and rd. to Antioch
Comment
JEPS121073
Verbena lasiostachys
D. G. Kelch
2006-8-6
06 .363
Contra Costa
Rodeo Creek, in Rodeo.
Comment
CDA9278
Verbena scabra
D. G. Kelch
2002-7-15
2 .006
Contra Costa
CA Delta; Old San Joaquin River channel, E of Brentwood. San Joaquin County border.
0
Comment
JEPS25389
Veronica peregrina subsp. xalapensis
Rimo Bacigalupi with G. T. Robbins and Francia Chisaki
1959-4-14
7002
Contra Costa
2 1/2 mi se of Antioch (just e of Antioch Airport, along Lone Tree Way)
56
Comment
JEPS99479
Veronica persica
Mary Bowerman
1978-4-10
Contra Costa
Mount Diablo. Morgan Territory Rd. at Oak Hill Lane.
Comment
JEPS12699
Viburnum ellipticum
Mary L. Bowerman
1933-5-21
2162
Contra Costa
s from Curry Canyon (Sycamore Canyon, ridge between two main forks w side); Mount Diablo, Sycamore Canyon
365
Comment
UC691563
Viburnum ellipticum
Mary L. Bowerman
1933-5-19
2143
Contra Costa
Sulphur Spring Canyon, e fork Mount Diablo
457
Comment
UC1789196
Viburnum rigidum
Barbara Ertter
2001-10-29
17810
Contra Costa
Tilden Regional Park, Selby Trail and Wildcat Gorge upstream from Lake Anza, understory of mixed forest. Occasional lax shrub to 2--3 m tall.
Comment
UCD32375
Vicia
Beecher Crampton
1950-4-16
516
Contra Costa
Contra Costa County, road from San Pablo to Giant, along RR. property.
22
Comment
UCD108768
Vicia americana
Helen K. Sharsmith
1962-4-17
4936
Contra Costa
Vicinity of Grizzly Peak, Berkeley Hills.
426
Comment
UC16958
Vicia americana var. americana
unknown
1862-4-18
1016
Contra Costa
Mt. Diablo
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
SD107683
Vicia villosa
Walter Knight
1980-4-17
3718
Contra Costa
Tilden Regional Park, intersection of Central Park Drive & Canon Drive on roadbank
Comment
UCR198227
Vicia villosa
Dean Kelch, Barbara Ertter
2007-2-28
07 .078
Contra Costa
Tormey Headlands, between Crockett and Rodeo
76
Comment
JEPS100123
Vinca major
G. Smick
2003-3-27
GAS 92
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC2028101
Vinca major
Barbara Ertter, Mary Bowerman
1996-11-1
15396
Contra Costa
North base of Mount Diablo, downstream from Mitchell Canyon parking lot.
Comment
JEPS50464
Viola pedunculata
W. L. Jepson
1917-4-14
6861
Contra Costa
summits near Redwood Peak (Oakland Hills); Oakland Hills
Comment
UC2028211
Viola pedunculata
Barbara Ertter, Tony Morosco
1998-4-12
15986
Contra Costa
Base of Mount Olympia on north side of Mount Diablo, meadow on south side of lower end of Olympia Trail.
Comment
JEPS50410
Viola purpurea subsp. quercetorum
Mary Bowerman
1933-5-12
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC203041
Vitis californica
A. D. E. Elmer
1903-7-1
4955
Contra Costa
Mount Diablo
Comment
HSC47194