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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
LA35665
Abies bracteata
Rimo Bacigalupi;
1960-4-4
7360
Contra Costa
Santa Lucia Mts, Wildcat Canyon, Berkely Hills, on short side of road to corporation yard
297
Comment
UC1357059
Abies bracteata
Rimo Bacigalupi
1960-4-4
7360
Contra Costa
w slopes of upper Wildcat Canyon (on short side of road to the corporation yard.); Tilden Regional Park, Berkeley Hills
297
Comment
UC1211990
Abutilon theophrasti
R. P. and Perry Allen
1961-8-11
Contra Costa
4 mi e Byron
Comment
UCD116164
Abutilon theophrasti
R. P. Allen; Perry Allen
1961-8-11
s.n.
Contra Costa
Adventive four miles east of Byron.
Comment
UCD104651
Acacia verticillata
Rudolf Schmid
1997-5-21
1997 -13
Contra Costa
Hillside Natural Area, El Cerrito; nw. of King Ct. entrance.
575
Comment
CAS-BOT-BC436989
Acaena pinnatifida var. californica
John Thomas Howell
1933-5-14
11285
Contra Costa
Hills east of St. Mary's College
Comment
UC18112
Acer macrophyllum
H. P. Chandler
584
Contra Costa
Briones Valley region of Mount Diablo, Briones Valley
Comment
UC692718
Acer macrophyllum
Mary L. Bowerman
1930-6-5
250
Contra Costa
North Road 5.8 mi from entrance (Mount Diablo); , North Road
457
Comment
UCSB11596
Acer macrophyllum
Grah, Nancy
1962-4-14
Contra Costa
Corner of Lombardy Lane and Sleepy Hollow Lane, Orinda
152
Comment
JEPS42724
Acer negundo var. californicum
W. L. Jepson
1908-8-16
3088
Contra Costa
2 mi w Walnut Creek; w of Walnut Creek
Comment
SEINET242917
Achnatherum parishii
Mary E. Barkworth, Surrey W. L. Jacobs; Betty Jacob
2003-4-7
2003 /5
Contra Costa
CULTIVATED; Tilden Regional Park, east of Berkeley.
Comment
CHSC23339
Achyrachaena mollis
Willis Ball
1974-4-21
426
Contra Costa
Contra Loma Regional Park. In area #1. On the n side of road leading to main parking lot ca. 50 yds e of parking lot. 2 yds off road.
38
Comment
HSC91986
Achyrachaena mollis
Scott Brush, Ross Jones, Maggie Wolfe
1990-4-29
75
Contra Costa
549
Comment
JEPS111752
Achyrachaena mollis
D. G. Kelch
2005-4-15
05 .153
Contra Costa
Rodeo Creek EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump)
220
Comment
PASA2309
Achyrachaena mollis
Annetta Carter
1929-3-31
Contra Costa
near Clayton
Comment
UC1301058
Achyrachaena mollis
Helen K. Sharsmith
1963-4-7
5298
Contra Costa
near Byron; San Francisco Bay
7
Comment
CAS-BOT-BC29890
Achyrachaena mollis
E. M. Zeile
1909-5-19
s.n.
Contra Costa
Regents Park, West Berkeley
Comment
POM54982
Achyrachaena mollis
C. F. Baker
1903-4-27
15565
Contra Costa
Byron.
Comment
POM54988
Achyrachaena mollis
C. F. Baker
1903-4-27
2795
Contra Costa
Byron.
Comment
SEINET10615056
Achyrachaena mollis
John T. Middleton
1936-4-18
Middleton 144
Contra Costa
Comment
UCD128411
Achyrachaena mollis
P. B. Kennedy
1925-4-26
s.n.
Contra Costa
Mt. Diablo, below road to Country Club reservoir.
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
JEPS112328
Acmispon glaber
Dean G. Kelch and Andrew G. Murdock
2004-7-16
04 .319
Contra Costa
Martinez- South; County: Contra Costa; Pine St. Entrance Rte 4 heading west. Martinez, CA.
Comment
UCD158715
Acroptilon repens
James A. Neilson Jr.
1974-8-13
3472
Contra Costa
Bradford Island. (Elevation estimated using Google Earth by label maker.)
0
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
SEINET3449243
Adiantum jordanii
Dean G. Kelch, Andrew G. Murdock
2004-2-12
AGM 206
Contra Costa
Franklin Canyon, Franklin Canyon, McHarry Ranch Road
126
Comment Read comments Sep 26 2014
SEINET6412858
Adiantum jordanii
C. Newberry
1994-4-30
7255
Contra Costa
Mount Diablo State Park, trail from Mitchell Cn. Prkng to Donner Cr.
900
Comment
JEPS75460
Aesculus californica
P. F. Yorks
1973-5-25
100
Contra Costa
ca 1.7 mi s Bear Creek Rd on Hampton Rd in Hampton Rd Natural Reserve (n of Briones Reservoir)
180
Comment
UC692716
Aesculus californica
Mary L. Bowerman
1930-6-3
226
Contra Costa
1.9 mi from Mount Diablo North Road entrance; Mount Diablo
Comment
UCD128633
Agoseris apargioides
Morris Halperin
1929-4-21
s.n.
Contra Costa
Moraga Valley.
Comment
JEPS100119
Agoseris grandiflora
G. Smick
2003-4-29
GAS 151
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
CAS-BOT-BC22971
Agoseris heterophylla
John Thomas Howell
1933-5-14
11260
Contra Costa
Hills east of St. Mary's College
Comment
CAS-BOT-BC22972
Agoseris heterophylla
Alice Eastwood
1915-5-30
4472
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC22973
Agoseris heterophylla
Mary L. Bowerman
1933-5-8
2013
Contra Costa
Mt. Diablo. Fossil Ridge near crest, north side by side road.
Comment
JEPS36279
Agoseris heterophylla var. heterophylla
W. L. Jepson
1922-5-23
9667
Contra Costa
Mt. Diablo (north slope)
Comment
JEPS36324
Agoseris hirsuta
W. L. Jepson
1922-5-26
9673
Contra Costa
North Berkeley Hills; Berkeley Hills (North)
Comment
UC692381
Agrostis exarata
Mary L. Bowerman
1933-8-26
2413
Contra Costa
at and below Lower Canyon Spring; Mount Diablo
975
Comment
JEPS41061
Agrostis pallens
Rimo Bacigalupi, and L. R. Heckard
1965-5-11
9084
Contra Costa
sw of Richmond; San Francisco Bay, Brooks Island
30
Comment
UC50548
Agrostis viridis
Jos. Burtt Davy
1897-9-4
4082
Contra Costa
Stege
Comment
RSA0027712
Aira caryophyllea
Barbara Ertter, Richard K. Brummitt
1998-5-6
16105
Contra Costa
Point San Pablo west of Richmond, crest of road to yacht harbor.
Comment
UC2028387
Aira caryophyllea var. caryophyllea
Barbara Ertter
1998-6-20
16257
Contra Costa
Shell Ridge Open Space on NW side of Mount Diablo, Costanoan Trail on north side of central ridge, edge of road through woodland
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
RSA720795
Aira caryophyllea var. cupaniana
Mary L. Bowerman
1995-5-28
s.n.
Contra Costa
Mount Diablo. Knoll, N. of Wall Pt. Trail. Trail to Pine Pond from Wall Pt. fire rd.
305
Comment
UCR197913
Alisma triviale
Beecher Crampton
1950-6-10
589
Contra Costa
1 mile north of Richmond, along Santa Fe Railroad
15
Comment
CAS-BOT-BC175356
Allenrolfea occidentalis
C. Hart Merriam
1906-9-13
s.n.
Contra Costa
Byron Hot Springs
Comment
CAS-BOT-BC175361
Allenrolfea occidentalis
J. W. Congdon
1889-6-19
s.n.
Contra Costa
Byron Springs
Comment
CAS-BOT-BC175365
Allenrolfea occidentalis
E. M. Zeile
1921-9-9
19
Contra Costa
Byron Hot Springs
Comment
POM164980
Allenrolfea occidentalis
Jos Burtt Davy
1898-05
s.n.
Contra Costa
Byron Springs, Mt. Diablo region.
Comment
CAS-BOT-BC175363
Allenrolfea occidentalis
E. E. Stanford
1930-8-1
1871
Contra Costa
Near Old River
Comment
UC767482
Allium crispum
R. F. Hoover
1939-3-29
3944
Contra Costa
Kircker Pass
Comment Read comments Feb 8 2013
RSA367158
Allium falcifolium
L. S. Rose
1935-5-16
35164
Contra Costa
Mt. Diablo.
Comment
UC3071
Allium falcifolium
W. H. Brewer
1862-5-7
1060
Contra Costa
summit Monte Diablo; summit of Mt. Diablo
Comment
CAS-BOT-BC469110
Allium falcifolium
Paul F. Covel
1936-5-17
126
Contra Costa
Summit Mt. Diablo
Comment
CAS-BOT-BC469114
Allium falcifolium
Alice Eastwood
1915-5-30
s.n.
Contra Costa
Mt. Diablo
Comment
UC635249
Allium serra
H. L. Mason
1929-3-29
5135
Contra Costa
Marsh Creek Road 2 mi e Claton; Marsh Creek Road
Comment
UC796584
Allium serra
Reed C. Rollins
1946-3-25
3043
Contra Costa
w slope of Mount Diablo Mount Diablo
Comment
CAS-BOT-BC475527
Allium serra
Alice Eastwood
1916-5-30
4461
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC475537
Allium serra
Volney Rattan
1883-4-1
s.n.
Contra Costa
Martinez
Comment
CAS-BOT-BC476608
Allium unifolium
Mary L. Bowerman
1933-6-3
2250
Contra Costa
Small spring at bend below Silver Spring.
Comment
CAS-BOT-BC476609
Allium unifolium
Mary L. Bowerman
1931-4-19
750
Contra Costa
Mitchell Canyon: Small colony near upper end of road.
Comment
SEINET8731247
Allocarya stipitata
Lewis S. Rose
1936-1
36155
Contra Costa
8 mi. S. of Antioch
30
Comment
UC2027998
Allophyllum gilioides
Barbara Ertter with Tony Morosco
1998-4-12
16021
Contra Costa
Mount Olympia on north side of Mount Diablo, Olympia Road down ridge west of summit.
Comment
UC908478
Allophyllum gilioides subsp. gilioides
Herbert L. Mason
1928-1
4427
Contra Costa
s. slope Mt. Diablo (Sycamore Canyon); , Sycamore Canyon
Comment
CAS-BOT-BC170932
Alnus rhombifolia
Alice Eastwood
1914-2-24
3732
Contra Costa
Antioch
Comment
JEPS58614
Alnus rhombifolia
W. L. Jepson
1901-10-12
Contra Costa
Mount Diablo
Comment
UC768586
Alopecurus saccatus
R. F. Hoover
1937-5-14
2120
Contra Costa
Byron Hot Springs
Comment
UC2027846
Amaranthus albus
Barbara Ertter, Mary Bowerman
1996-11-1
15402
Contra Costa
North base of Mount Diablo, near Donner Canyon trailhead at end of Regency Drive.
Comment
SEINET3840792
Amaranthus cruentus
Dean G. Kelch, Andrew G. Murdock
2005-6-27
5 .392
Contra Costa
Carquinez Strait, Sixth street at Lillian Street in vegetable garden, Crockett, common garden weed
33
Comment
RSA537530
Amaranthus deflexus
Barbara Ertter, Elizabeth Neese
1988-10-15
7973
Contra Costa
West of I-580 in El Cerrito, junction of Central Ave. and Rydin Road
Comment
UC691916
Amaranthus retroflexus
Mary L. Bowerman
1938-10-15
3727
Contra Costa
North Road, by trail to w of spring Mount Diablo
213
Comment
UCD128783
Ambrosia chamissonis
G. Thomas Robbins; John Weiler
1959-5-23
4021
Contra Costa
Brooks Island (its north-western extension), San Francisco Bay, Richmond.
7
Comment
UC1607617
Ambrosia psilostachya
Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss
1991-8-18
10690
Contra Costa
n. Pittsburg (near confluence of Sacramento & San Joaquin Rivers opposite Pittsburg marina, dry levee near lagoon in center of w. end of island); Browns Island
Comment
UC12066
Amelanchier utahensis
W. H. Brewer
1862-5-1
1036
Contra Costa
s of Camp 69
Comment
CAS-BOT-BC142927
Amelanchier utahensis
H. E. McMinn
1923-6-13
231
Contra Costa
From 6 mi. n. of Camp Frost on Livermore & Mt. Hamilton Road
Comment
UCD55999
Ammophila arenaria
Morris Halperin; Earl J. Coke
1930-5-20
s.n.
Contra Costa
Sand near Antioch.
Comment
CAS-BOT-BC222221
Amsinckia
John Thomas Howell
1934-4-8
11814
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-BC222225
Amsinckia
Alice Eastwood; John Thomas Howell
1936-4-19
2131
Contra Costa
Nortonville
Comment
CAS-BOT-BC222233
Amsinckia
John Thomas Howell
1933-3-29
10908
Contra Costa
Nortonville hills
Comment
CAS-BOT-BC222235
Amsinckia
John Thomas Howell
1933-3-29
10912
Contra Costa
Nortonville hills
Comment
UC691398
Amsinckia intermedia
Mary L. Bowerman
1931-4-4
642
Contra Costa
near w entrance Mount Diablo (North gate)
Comment
RSA0090980
Amsinckia intermedia
Robert F. Hoover
1938-4-20
3179
Contra Costa
Between San Pablo and Reservoir.
Comment
RSA201409
Amsinckia intermedia
J. T. Howell
1933-5-14
11225
Contra Costa
St. Mary s College
Comment
UC1073066
Amsinckia intermedia
Helen K. Sharsmith
1954-3-24
4410
Contra Costa
e of Mount Diablo (Canyon slope back of Nortonville Mines); Inner South Coast Ranges
304
Comment
JEPS25425
Amsinckia lunaris
Rimo Bacigalupi with G. T. Robbins
1959-4-24
7042
Contra Costa
just n of summit of Hampton Road (1/2 mi n of junction with Bear Creek Road)
228
Comment
JEPS75462
Amsinckia lunaris
P. F. Yorks
1976-4-25
507 -2
Contra Costa
n. Briones Reservoir (ca. 1.5 km. s. of Bear Creek Rd. on hampton Rd. in Hampton Rd. Natural Reserve); Hampton Rd. Natural Reserve
170
Comment
UC1084623
Amsinckia lunaris
Francia Chisaki, Peter Kamb Ray
1952-5-4
2275
Contra Costa
1.5 mi e Orinda-Richmond road (leaving this road ca 1 mi n of Orinda); Bear Creek Road
Comment
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
UC1178245
Amsinckia menziesii var. menziesii
Francia Chisaki and R. Bacigalupi
1957-3-27
911
Contra Costa
1.5 mi e of Antioch City limits (just e of Kaiser Gypsum Plant along Wilbur Avenue)
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
RSA0091254
Amsinckia tessellata
Ira L. Wiggins
1930-4-17
4558
Contra Costa
Roadside 1 mi. E of Mountain House on road to Byron.
Comment
UC198378
Amsinckia tessellata var. gloriosa
Katharine Brandegee
1916-5-8
Contra Costa
Byron H. S., Byron Springs Byron Springs
Comment
UC762817
Amsinckia tessellata var. gloriosa
R. F. Hoover
1935-3-10
317
Contra Costa
Kirker Pass
Comment
CHSC116622
Anagallis arvensis
Lowell Ahart; Josephine Guardino
2016-4-19
20784
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
JEPS127041
Anagallis arvensis
Lowell Ahart, Josephine Guardino
2016-4-19
20784
Contra Costa
1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad.
Comment
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
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
JEPS13787
Androsace elongata subsp. acuta
Mary L. Bowerman
1935-4-22
2888
Contra Costa
ridge w Pioneer Road (w of Old Stage Road, crest of ridge and on the e face Mount Diablo); Mount Diablo
853
Comment
UC35150
Androsace elongata subsp. acuta
J. P. Tracy
1902-3-15
1314
Contra Costa
hills near Berkeley; San Francisco Bay, San Pablo Ridge
457
Comment
UC691829
Androsace elongata subsp. acuta
Mary L. Bowerman
1932-3-12
1116
Contra Costa
Alamo Canyon , Alamo Canyon (Mount Diablo)
365
Comment
CAS-BOT-BC400259
Anemopsis californica
Rimo Bacigalupi
1926-4-30
1347
Contra Costa
About 3 miles east of Walnut Creek on Mt Diablo Road
Comment
UC4888
Anemopsis californica
W. L. Jepson
May 23 1891-May 24 1891
Contra Costa
near Mount Diablo
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
UC692562
Angelica californica
Mary L. Bowerman
1935-6-21
3149
Contra Costa
Mount Diablo, e fork of Arroyo del Cerro Arroyo del Cerro; Mount Diablo, Arroyo del Cerro
274
Comment
UC692563
Angelica californica
Mary L. Bowerman
1935-6-21
3149
Contra Costa
Mount Diablo, e fork of Arroyo del Cerro Arroyo del Cerro; Mount Diablo, Arroyo del Cerro
274
Comment
JEPS107105
Anthriscus caucalis
Barbara Ertter, Lisa Schultheis
1995-4-27
14015
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
SEINET884570
Antirrhinum elmeri
A. D. E. Elmer
1903-1
4809
Contra Costa
Mount Diablo.
Comment
UC2029063
Antirrhinum vexillocalyculatum subsp. vexillocalyculatum
Barbara Ertter
2000-7-29
17447
Contra Costa
Donner Basin on north side of Mount Diablo, Cardinet Oaks Road at junction with Falls Trail.
Comment
CAS-BOT-BC447664
Aphanes arvensis
Mary L. Bowerman
1931-3-29
620
Contra Costa
Mount Diablo, East Cave Point ridge,
Comment
UC2027940
Apiastrum angustifolium
Barbara Ertter with Tony Morosco and other CNPS members
2001-5-6
17621
Contra Costa
Northwest flank of Mount Diablo, trail on west face of Black Point.
Comment
JEPS60396
Aquilegia formosa
V. E. Ferguson
Contra Costa
Donner Canyon Mt. Diablo
Comment
JEPS111945
Arbutus menziesii
D. G. Kelch
2004-9-2
04 .339
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive. East of Ozol
30
Comment
JEPS40128
Arceuthobium campylopodum
W. L. Jepson
1898-10-18
1898
Contra Costa
Mitchell Canyon Mt. Diablo
487
Comment
UC692042
Arceuthobium campylopodum
Mary L. Bowerman
1930-6-22
373
Contra Costa
above main canyon (Mitchell Canyon Trail); Mount Diablo
Comment
UC692043
Arceuthobium campylopodum
Mary L. Bowerman
1931-10-31
1065
Contra Costa
south Rd near junction Mount Diablo
Comment
CAS-BOT-BC410128
Arceuthobium occidentale
Howard E. McMinn
317
Contra Costa
Mt. Diablo
Comment
UC1509579
Arctostaphylos
Stephen W. Edwards
1984-2-20
SW- 84 -1
Contra Costa
w flank of ridge e Olinda Drive (nw of intersection of San Pablo Dam Rd and Castro Ranch Rd)
Comment
RSA139994
Arctostaphylos andersonii var. pallida
R. C. Wilson
1935-2-26
105
Contra Costa
One mile southwest of Nortonville.
442
Comment
CAS-BOT-BC24117
Arctostaphylos auriculata
C. F. Baker
1903-5-31
3161
Contra Costa
Mt. Diablo
Comment
CDA9744
Arctostaphylos auriculata
D. G. Kelch, D. A. Weinstein
1995-3-6
s.n.
Contra Costa
Rock City. Mt. Diablo.
Comment
RSA212152
Arctostaphylos auriculata
L. S. Rose
1970-4-2
70023
Contra Costa
Rock City, Mount Diablo.
426
Comment
RSA622485
Arctostaphylos auriculata
Jon E. Keeley
1996-6-24
27602
Contra Costa
Above Rock City, Mt. Diablo.
540
Comment Read comments Jan 30 2013
UC83034
Arctostaphylos auriculata
Katharine Brandegee
1889-1
Contra Costa
Antioch
Comment
UCD162927
Arctostaphylos auriculata
D. O. Burge; K. Zhukovsky
2015-6-6
1747
Contra Costa
Mount Diablo.
515
Comment
UCD50265
Arctostaphylos auriculata
Roman Gankin
1968-11-14
1308
Contra Costa
Ca. 300 yds. above road at Somersville.
Comment
CAS-BOT-BC23596
Arctostaphylos crustacea
John Thomas Howell
1925-9-19
1446
Contra Costa
Moraga Ridge, Oakland Hills
Comment
SEINET11989662
Arctostaphylos crustacea
N. Havlik, Knight, W.
1982-1
4548
Contra Costa
Briones Regional Park adjacent to Russell Tree Farm
328
Comment
UC1120316
Arctostaphylos glandulosa subsp. glandulosa
H. A. Jensen
1938-10-27
453
Contra Costa
head of Sycamore Creek Mount Diablo Quadrangle
Comment
CAS-BOT-BC24657
Arctostaphylos glauca
H. E. McMinn
1922-6-21
89
Contra Costa
N. slope of Mt. Diablo.
Comment
POM367324
Arctostaphylos glauca
Mark Morris
1929-03
14911
Contra Costa
Mt. Diablo.
Comment
UCSB22281
Arctostaphylos manzanita
McMinn, H.
1936-4-11
Contra Costa
Mt. Diablo; head of Sycamore Canyon
Comment
CAS-BOT-BC38876
Arctostaphylos manzanita subsp. laevigata
L. R. Abrams
1910-10-8
4345
Contra Costa
Mt. Diablo
548
Comment
JEPS125932
Arctostaphylos manzanita subsp. laevigata
D. W. Taylor
2001-3-21
17613
Contra Costa
Mount Diablo State Park, near Balancing Rock; ridge forming southern watershed boundary Curry Creek Canyon.
Comment
RSA122397
Arctostaphylos manzanita subsp. laevigata
R. C. Wilson
1935-3-13
132
Contra Costa
1.5 mi W of Cave Pt.
563
Comment
RSA14514
Arctostaphylos manzanita subsp. laevigata
L. S. Rose
1934-2-28
34040
Contra Costa
8 miles NE Danville, S slope of Mt. Diablo.
Comment
UC692231
Arctostaphylos manzanita subsp. laevigata
Mary L. Bowerman
1932-9-5
1545
Contra Costa
large spur on meridian which heads into Sycamore Canyon; Mount Diablo
Comment
UCD51724
Arctostaphylos manzanita subsp. laevigata
R. W. Lundh
1932-8-17
130
Contra Costa
1 mile East of Round Valley.
518
Comment
RSA0027948
Arctostaphylos manzanita subsp. laevigata
Barbara Ertter
1997-9-14
15818
Contra Costa
Southwest side of Mount Diablo, Wall Point Road on ridge northwest of Wall Point.
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
UC2028052
Arctostaphylos manzanita subsp. laevigata
Barbara Ertter with Ann Dennis
1998-1-25
15907
Contra Costa
Donner Canyon on north side Mount Diablo, Middle Trail/Falls Trail.
Comment
CAS-BOT-BC24351
Arctostaphylos manzanita subsp. manzanita
Mary L. Bowerman
1930-6-18
349
Contra Costa
Mt. Diablo, Rock City canyon.
Comment
UC1120869
Arctostaphylos pallida
Beryl O. Schreiber
1938-9-18
2548
Contra Costa
0.5 mi ssw Round Top; Concord Quadrangle
Comment
UC909835
Arctostaphylos pallida
Lewis S. Rose
1934-1-29
34010
Contra Costa
summit of hills above Redwood Canyon (region of type); Oakland Hills
Comment Read comments Aug 9 2011
HSC93964
Arctostaphylos tomentosa subsp. crustacea
C. Newberry
1994-3-12
7164
Contra Costa
Huckleberry Botanic Regional Preserve, Skyline Trail
244
Comment
JEPS42609
Arctostaphylos tomentosa subsp. crustacea
W. L. Jepson
1944-8-5
27547
Contra Costa
Moraga Ridge Oakland Hills
Comment
JEPS48824
Arctostaphylos tomentosa subsp. crustacea
H. M. Wheeler
1944-1-16
27509
Contra Costa
Moraga Ridge Oakland Hills
Comment
JEPS48827
Arctostaphylos tomentosa subsp. crustacea
W. L. Jepson
1944-10-27
27552
Contra Costa
at Stake 3 Moraga Ridge (e side of trail)
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
UC1120143
Arctostaphylos tomentosa subsp. crustacea
C. M. Belshaw
1936-2-16
1588
Contra Costa
2 1/2 mi nw Lafayette; Concord Quadrangle, Lafayette 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
JEPS25152
Argyranthemum foeniculaceum
G. Thomas Robbins with John Weiler
1959-5-23
4022
Contra Costa
nw extension Brooks Island (on breakwater (partly natural, partly man-made)); San Francisco Bay, Richmond
Comment
HSC3262
Aristolochia californica
Greg Bos
1963-3-9
28
Contra Costa
Pinole Valley Rd., SE of Pinole
61
Comment
UC29610
Arnica discoidea
W. H. Brewer
1862-7-1
1302
Contra Costa
Mount Hamilton Contra Costa Range, Mount Hamilton
Comment
UC29607
Arnica discoidea
Brewer
1862-1
1302
Contra Costa
Comment Read comments Jan 20 2011
CDA37337
Artemisia biennis
D. G. Kelch
2010-10-31
10 .442
Contra Costa
Valley north of Alhambra Valley Rd., south of Pinole Peak, east of Hercules.
Comment
CAS-BOT-BC84953
Artemisia californica
L. R. Abrams
1910-10-8
4339
Contra Costa
Mt. Diablo
609
Comment
JEPS100118
Artemisia californica
A. Langston
2003-9-16
AL 90
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC697143
Artemisia douglasiana
Mary L. Bowerman
1932-9-17
1582
Contra Costa
w fork Donner Canyon; Mount Diablo
Comment
CAS-BOT-BC90299
Artemisia douglasiana
John Thomas Howell; Gordon H. True
1972-6-29
48945
Contra Costa
Low places along Byron Hot Springs Road where water has stood, southeast of Byron
Comment
UC2028360
Artemisia douglasiana
Barbara Ertter with Tony Morosco
1998-7-11
16366
Contra Costa
North base of Mount Diablo, margin Bruce Lee Road between Mitchell Canyon and Back Creek
Comment
UC543763
Asarum caudatum
Herbert L. Mason
1925-9-27
2236
Contra Costa
San Leandro Canyon (Redwood Canyon); Oakland Hills
Comment
JEPS5091
Asclepias californica
Mary L. Bowerman
1935-5-1
2944
Contra Costa
4.4 mi from entrance (West road); Mount Diablo
381
Comment
CDA28791
Asclepias cordifolia
D. G. Kelch, Troy MacGregor
2009-5-24
9 .302
Contra Costa
Carquinez Strait; Carquinez Loop Trail S of Ozol, S-SW of Martinez, nr Wolcott Ln .
Comment
SEINET207365
Asclepias cordifolia
Rimo Bacigalupi, G. Thomas Robbins
1956-5-11
5642
Contra Costa
Franklin Canyon, 1/4 mile above (and northwest of) Glen Frazer Station on the Santa Fe Railway.
107
Comment
CDA10358
Aster subulatus var. ligulatus
D. G. Kelch
2006-9-15
6 .472
Contra Costa
Carquinez Strait; Martinez. Waterfront Rd. Marina Dr. , 100 m. W of Pacheco Slough.
Comment
POM181432
Astragalus asymmetricus
I. L. Wiggins
1930-4-17
4562
Contra Costa
Near Mountain House, Altamont Pass.
Comment
UC13345
Astragalus didymocarpus
W. H. Brewer
1862-5-19
1115
Contra Costa
n (Kirker Pass?) Kirker's Pass; n of Kirker's Pass
Comment
UC13351
Astragalus didymocarpus
State Survey
1862-5-19
1115
Contra Costa
Kirker Pass Kirker Pass (dry hills)
Comment
CAS-BOT-BC178474
Astragalus gambelianus
Mary L. Bowerman
1931-4-4
643
Contra Costa
North of West road, sandy dry bank at low altitude, Mount Diablo.
Comment
POM264824
Astragalus gambelianus
Lincoln Constance, Carl W. Sharsmith
1940-4-27
2572
Contra Costa
Pine Canyon, base of Mt Diablo
305
Comment
UC2028334
Astragalus gambelianus
Barbara Ertter
1991-5-5
9771
Contra Costa
Black Diamond Mines Regional Preserve S. of Pittsburg, halfway up E ridge of Rose Hill above cemetery, level spot
Comment
CDA9508
Atriplex argentea
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .235
Contra Costa
CA Delta; Along Clifton Court Near Clifton Court Forebay.
Comment
UC219420
Atriplex argentea var. mohavensis
H. M. Hall
1922-5-6
11803
Contra Costa
near Byron (alkaline fields); near Byron
Comment
JEPS25154
Atriplex leucophylla
G. Thomas Robbins with John Weiler
1959-5-23
4024
Contra Costa
on breakwater northwestern extension Brooks Island (Richmond); San Francisco Bay, , Brooks Island
Comment
JEPS41046
Atriplex leucophylla
Rimo Bacigalupi and L. R. Heckard
1965-5-11
9071
Contra Costa
on strand at n end Brooks Island (in San Francisco Bay sw of Richmond); San Francisco Bay, sw of Richmond, n end Brooks Island
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
UC2027887
Atriplex prostrata
Barbara Ertter with Chris Thayer
1996-10-25
15361
Contra Costa
Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park.
Comment
RSA0029775
Atriplex semibaccata
Barbara Ertter
1990-9-30
9655
Contra Costa
SE of Hilltop Mall in N Richmond, near Day s Inn.
Comment
CDA23333
Atriplex triangularis
D. G. Kelch, A. G. Murdock
2003-8-13
3 .095
Contra Costa
Carquinez Strait Region; Martinez Marsh
Comment
JEPS111808
Atriplex triangularis
D. G. Kelch
2003-8-13
03 .95
Contra Costa
Martinez Marsh
1
Comment
SEINET12765208
Atriplex triangularis
Barbara Ertter, B. Olson; L. L. Lake; Lynne Hosley
1991-10-20
10871
Contra Costa
Just W of Antioch marina; along levee at water's edge, accessed from marina.; 0
Comment
CAS-BOT-BC146023
Avena barbata
Mary L. Bowerman
1931-5-13
845
Contra Costa
Mount Diablo. Pine Canyon floor one mile above the sulphur spring.
Comment
UC53767
Avena barbata
J. Burtt Davy
May, 1898
Contra Costa
Livermore Region Of Mount Diablo
Comment
UC691225
Avena barbata
Mary L. Bowerman
1932-4-16
1355
Contra Costa
n Eagle Point; Mount Diablo, Eagle Point Ridge
Comment
UCD56220
Avena barbata
A. A. Beetle
1942-3-22
2929
Contra Costa
Brooks Island in San Francisco Bay.
Comment
CAS-BOT-BC146021
Avena barbata
Mary L. Bowerman
1933-5-8
2002
Contra Costa
Mount Diablo. Fossil Ridge, south face, not far from but out of sight of South Gate.
289
Comment
CDA19825
Avena fatua
P. Akers
2002-5-11
s.n.- 2 a
Contra Costa
Northern California; Mt Diablo Rd.
205
Comment
UCD56310
Avena fatua
A. A. Beetle
1942-3-22
3266
Contra Costa
Brooks Island in San Francisco Bay.
Comment
UC1619933
Azolla filiculoides
Barbara Ertter, Brad Olson
1991-9-28
10849
Contra Costa
S end San Pablo Reservoir between Orinda and El Sobrante
97
Comment
UC1199295
Baccharis glutinosa
Joseph P. Tracy
1932-9-10
10784
Contra Costa
e of and on Franklin Canyon Road Pinole (Rodeo Creek); , Franklin Canyon Road
60
Comment
CAS-BOT-BC98611
Baccharis pilularis
Walter Knight; I. Knight; S. Rae; B. Doyle; J. T. Howell; E. McClintock
1978-9-5
3208
Contra Costa
Browns Island
Comment
UC1119665
Baccharis pilularis
R. W. Lundh
Sep 1932
159
Contra Costa
1 mi n North Peak; Mt. Diablo Quad.
609
Comment
UC1948938
Baccharis pilularis
William J. Ferlatte, L. Maynard Moe
1970-4-27
1239
Contra Costa
San Francisco Bay: Red Rock Island
Comment
UC202943
Baccharis salicifolia subsp. salicifolia
Chesnut and Drew
1889-4-17
Contra Costa
Clayton
Comment
JEPS102907
Balsamorhiza deltoidea
Barbara Ertter with Holly Forbes
1997-4-20
15564
Contra Costa
NE base of Eagle Ridge, Back Creek Trail to Coulter Pine Trail Mount Diablo
213
Comment
JEPS102908
Balsamorhiza deltoidea
Barbara Ertter with Holly Forbes
1997-4-20
15564
Contra Costa
NE base of Eagle Ridge, Back Creek Trail to Coulter Pine Trail Mount Diablo
213
Comment
UC584282
Balsamorhiza deltoidea
G. L. Stebbins Jr.
1937-5-1
2108
Contra Costa
about 1 mi s of, n facing ridge Somersville
365
Comment
UC691249
Barbarea orthoceras
Mary L. Bowerman
1933-4-9
1841
Contra Costa
Donner Canyon, west fork: By trail.
Comment
JEPS108533
Bellardia trixago
Lisa Schultheis with Kevin Hintsa
1995-4-25
70 -95
Contra Costa
Mount Diablo. Along connector trail between Pine Canyon and the Brioines/Mount Diablo Trail
Comment
JEPS74805
Bellardia trixago
L. R. Heckard, T. I. Chuang, and R. Bacigalupi
1975-5-7
4013
Contra Costa
ca 1/2 mi e Pinole (just e of Interstate 80 along main route of Santa Fe Railroad)
Comment
UCSC000661
Bellardia trixago
Mrs. G. Garlichs
1938-5-2
s.n.
Contra Costa
Wine Haven, Point Richmond
Comment
POM300991
Bellardia trixago
Mary L. Bowerman
1938-5-25
3632
Contra Costa
North Road 1.6 miles from North Gate where stream crosses road.
152
Comment
UC691754
Bellardia trixago
M. L. Bowerman
1938-5-25
3632
Contra Costa
1.6 miles from N gate where stream crosses road N Road
152
Comment
UCD122097
Bellardia trixago
Roman Gankin
1962-5-18
s.n.
Contra Costa
Near abandoned railroad bed on east side of Pinehurst Road, ca. 1/4 mile north of junction of this road with Canyon Road, ca. 2 miles west of Moraga.
Comment
UC691926
Berberis pinnata
Mary L. Bowerman
1931-2-22
517
Contra Costa
e fork Sycamore Canyon; Mt Diablo
Comment
UC697190
Berula erecta
Mary L. Bowerman
1932-12-5
1683
Contra Costa
n of Boulevard Spring (near North Road, Mount Diablo, Johnny Walker Spring); Mount Diablo, Johnny Walker Spring
Comment
JEPS111807
Beta vulgaris
D. G. Kelch
2003-8-13
03 .97
Contra Costa
Martinez Marsh
1
Comment
CDA3008
Beta vulgaris
C. Lasser
1960-4-19
Contra Costa
State Highway, right of way between Concord Avenue and Grayson Creek.
0
Comment
SEINET3146091
Bidens laevis
L. S. Rose
1938-10-28
38311
Contra Costa
Byron
3
Comment
NY31032
Blennosperma nanum
D. G. Nelson
1937-3-30
459
Contra Costa
Marsh Creek Highway, about halfway between Clayton and Byron
Comment
POM247237
Blennosperma nanum
Annetta Carter
1937-3-28
1225
Contra Costa
Marsh Creek Road, 15 miles east of Concord.
152
Comment
RSA755794
Blennosperma nanum var. nanum
Barbara Ertter
1992-3-8
10908
Contra Costa
Byron Springs Road, 4-5 miles south of junction with J4, near Armstrong Road
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-BC100335
Blepharizonia plumosa
R. F. Hoover
1937-9-2
2708
Contra Costa
Walnut Creek
Comment
JEPS18818
Blepharizonia plumosa
R. F. Hoover
1937-9-2
2708
Contra Costa
Walnut Creek
Comment
JEPS18824
Blepharizonia plumosa
R. F. Hoover
1935-9-7
715
Contra Costa
Walnut Creek
Comment
POM118273
Blepharizonia plumosa
Harriet Ann Walker
1916-8-28
3922
Contra Costa
Los Medanos, near Antioch
Comment Read comments Dec 16 2012
UC194218
Blepharizonia plumosa
H. M. Hall
1916-8-17
Contra Costa
Los Medanos, Suisun Bay, San Francisco Bay Region San Francisco Bay Region, Suisun Bay, Los Medanos
Comment
SJSU8304
Boechera breweri
J. A. Merriman
1965-2-13
51
Contra Costa
near summit of Mt Diablo; (Type locality)
853
Comment
UC855337
Boechera breweri subsp. breweri
Mrs. S. G. Suttiffe
1920-5-30
Contra Costa
Mt. Diablo
Comment
UCD140005
Bolboschoenus glaucus
Beecher Crampton
1950-7-28
623
Contra Costa
San Francisco Bay, Richmond.
Comment
CAS-BOT-BC31334
Bolboschoenus maritimus
Walter Knight; Joanne Dean
1978-8-14
3161
Contra Costa
Browns Island.
Comment
CAS-BOT-BC31330
Bolboschoenus maritimus
John Thomas Howell
1978-9-5
53356
Contra Costa
Pittsburg Marina.
Comment
JEPS2846
Bolboschoenus maritimus subsp. paludosus
J. Burtt Davy
1897-9-4
4075
Contra Costa
Stege; ; Stege, Contra Costa Co.
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-BC95325
Bowlesia incana
Mary L. Bowerman
1933-4-22
1889
Contra Costa
Curry-Cave Point trail, Mount Diablo
426
Comment
JEPS111627
Bowlesia incana
D. G. Kelch
2005-4-15
05 .139
Contra Costa
Rodeo Creek
100
Comment
JEPS68954
Bowlesia incana
Edward Lee
1935-3-10
1285
Contra Costa
w Watershed of Kirker Creek (Kirker Pass, Donovan Road); Kirker Pass, Donovan Road
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
RSA721286
Brachypodium distachyon
Barbara Ertter, Mary L. Bowerman
1995-5-7
14026
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, along road through annual grassland with scattered blue oak south of Marsh Creek. Road. summit.
305
Comment
CDA23561
Brassica rapa
D. G. Kelch
2008-3-3
8 .029
Contra Costa
Carquinez Strait; Crockett. Under Zampa (Carquinez) Bridge.
Comment
POM181431
Brassica rapa
I. L. Wiggins
1930-4-18
4609
Contra Costa
Jersey Island.
Comment
UC1607514
Brassica rapa
Barbara Ertter
1993-4-2
11477
Contra Costa
Carquinez Regional Park below Vista Road w of Crockett; Carquinez Regional Park
Comment
UC691067
Brassica rapa
Mary L. Bowerman
1932-5-6
1409
Contra Costa
Mount Diablo, w bank of Mitchell Canyon Mitchell Canyon; Mount Diablo, Mitchell Canyon
182
Comment
CAS-BOT-BC36723
Brassica rapa
R. E. Frenkel
1963-8-22
273
Contra Costa
On the lot in front of Market Plaza Center on Highway 21, Alamo.
79
Comment
JEPS116934
Brodiaea
David Gowen
2008-4-27
874
Contra Costa
Contra Loma Regional Park entrance at Black Diamond Mines Regional Preserve parking area at Frederickson Lane, north of parking area.
Comment
SEINET11695838
Bromus berteroanus
Unknown
1961-1
T.O. 2483
Contra Costa
0.5 mi NW of Martinez, grown at UC Davis agronomy experimental area
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
UC2028410
Bromus carinatus var. carinatus
Barbara Ertter
1998-4-4
15969
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo, Fossil Hill, middlle of NE-facing slope
Comment
UCD36918
Bromus carinatus var. marginatus
Beecher Crampton
1956-5-14
3393
Contra Costa
7 miles southwest of city of Antioch, just east of old mining town of Nortonville.
Comment
CHSC21623
Bromus catharticus
Willis Ball
1975-3-25
503
Contra Costa
Contra Loma Regional Park. In area #1. Under olive trees in picnic area ca. 50 yds w of main parking lot ca. 50 yds s of the lake.
36
Comment
UCD146711
Bromus catharticus
G. F. Hrusa; D. Crowe
1998-5-8
14384
Contra Costa
Sacramento-San Joaquin River Delta. Dow Ecological Reserve on Dow Chemical property at Pittsburg.
5
Comment
CAS-BOT-BC156062
Bromus diandrus
Walter Knight; Irja Knight; et al
1978-9-5
3219
Contra Costa
Browns Island. Sandy Knoll.
Comment
CDA28880
Bromus diandrus
D. G. Kelch
2006-5-7
6 .162
Contra Costa
Carquinez Strait.; Crockett. Upper Edward s Canyon.
Comment
UC691215
Bromus diandrus
Mary L. Bowerman
1933-5-8
2005
Contra Costa
not far from (but out of sight from) South Entrance (Mount Diablo, Fossil Ridge); Mount Diablo, Fossil Ridge
289
Comment
UCD58550
Bromus diandrus
A. A. Beetle
1942-3-22
2932
Contra Costa
Brooks Island in San Francisco Bay.
Comment
UCSB12519
Bromus diandrus
Grah, Nancy
1962-4-14
Contra Costa
0.6 mi N of Miner Rd on Sleepy Hollow Lane; Orinda
182
Comment
CDA29150
Bromus hordeaceus
D. G. Kelch
2006-5-7
6 .146
Contra Costa
Carquinez Strait.; Crockett. Upper Edward s Canyon.
Comment
UC1618047
Bromus hordeaceus
Donald G. Nelson
1937-3-30
477
Contra Costa
s of Byron (on road to Tracy, along railroad tracks paralleling the highway)
Comment
UC60202
Bromus hordeaceus
J. B. Davy
1898-1
Contra Costa
Mount Diablo Region, Danville Danville; Mount Diablo Region, Danville
Comment
UC677560
Bromus hordeaceus
P. F. Knowles
1941-1
8710
Contra Costa
Briones Hills
Comment
UC692343
Bromus hordeaceus
Mary L. Bowerman
1931-5-13
839
Contra Costa
Mount Diablo, Pine Canyon, 1 mi above spring Pine Canyon; Mount Diablo, Pine Canyon
Comment
UC692346
Bromus hordeaceus
Mary L. Bowerman
1933-4-15
1870
Contra Costa
Canyon s of Arroyo del Cerro (Mount Diablo); Mount Diablo
Comment
UC697131
Bromus hordeaceus
Mary L. Bowerman
1935-5-16
3007
Contra Costa
behind Gabriel-Hinks (Mount Diablo, e side of North Peak); Mount Diablo, North Peak
289
Comment
UC697215
Bromus hordeaceus
Mary L. Bowerman
1931-4-18
732
Contra Costa
Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon
365
Comment
UCD36913
Bromus hordeaceus
Beecher Crampton
1956-5-14
3379
Contra Costa
5 miles south of city of Antioch, on Empire Mine Drive, at head of Horse Valley.
Comment
UCD58641
Bromus hordeaceus
Beecher Crampton
1956-5-14
3417
Contra Costa
1/2 mile northwest of Martinez. Road to Crockett.
Comment
CAS-BOT-BC155472
Bromus hordeaceus
P. F. Knowles
1941-1-1
B 83
Contra Costa
Briones Hills. Davis. Greenhouse.
Comment
UCD58961
Bromus madritensis
Beecher Crampton
1956-5-14
3401
Contra Costa
Southeast of Mt. Diablo.
640
Comment
CAS-BOT-BC162357
Bromus madritensis
Mary L. Bowerman
1935-5-16
2991
Contra Costa
Mount Diablo. Russelman Park, at end of road.
Comment
UC677559
Bromus madritensis subsp. rubens
A. A. Beetle
1942-3-22
2930
Contra Costa
Taber Island, small Island off north west side of Brooks Island, San Francisco Bay, Contra Costa County.
Comment
UC692342
Bromus madritensis subsp. rubens
Mary L. Bowerman
1931-4-18
731
Contra Costa
Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon
365
Comment
UC692348
Bromus madritensis subsp. rubens
Mary L. Bowerman
1933-5-2
1944
Contra Costa
below Pioneer Camp (Mount Diablo); Mount Diablo
762
Comment
CDA29488
Bromus pseudolaevipes
D. G. Kelch, Troy MacGregor
2009-5-1
9 .276
Contra Costa
Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension.
Comment
UCD59573
Bromus rubens
P. B. Kennedy
1916-5-8
s.n.
Contra Costa
Byron Springs.
Comment
CAS-BOT-BC161953
Bromus rubens
Mary L. Bowerman
1931-5-7
810
Contra Costa
Mount Diablo. North Peak.
Comment
SEINET4343725
Bromus sterilis
Barbara Ertter, Mary Bowerman
1995-5-7
14053
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton
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
JEPS99499
Calandrinia breweri
Mary Bowerman
1979-5-2
Contra Costa
Comment
CDA23935
Calandrinia ciliata
D. G. Kelch
2007-4-1
7 .11
Contra Costa
Carquinez Strait; Pt. Pinole.
Comment
UC1300961
Calandrinia ciliata
Helen K. Sharsmith
1962-4-7
4920
Contra Costa
Appian Way near El Sobrante
121
Comment
JEPS48655
Calandrinia ciliata
Elsa Kraeger
1926-5-7
Contra Costa
near Toll Gate (road to Mt. Diablo)
Comment
SEINET8495447
Calochortus albus
Susan Keefer
1969-5-2
33
Contra Costa
1.5 miles from Alamo, east base of Las Trampas Ridge, 5 miles west of Mt. Diablo.
Comment
CAS-BOT-BC132493
Calochortus pulchellus
D. E. Breedlove
1970-4-18
17425
Contra Costa
At the north edge of Lafayette above Laurel Drive
243
Comment
JEPS55634
Calochortus pulchellus
Wayne Roderick
1967-5-30
Contra Costa
ca 7 rd mi e Clayton (Marsh Creek Road, between Marsh Creek Stables and Inn)
Comment
POM170033
Calochortus pulchellus
H. M. Hall
1910-5-30
10132
Contra Costa
Mt. Diablo, north slope near Pine Canyon
366
Comment
SBBG52901
Calochortus pulchellus
J. D. Hobson
1962-3-9
36
Contra Costa
Mt Diablo
Comment
SEINET3885356
Calochortus pulchellus
Clayton Newberry
1994-4-30
7250
Contra Costa
Mount Diablo State Park, trail from Mitchell Cn. Prkng to Donner Cr.; 0
900
Comment
UC119762
Calochortus pulchellus
Carl Purdy
1899-5-15
Contra Costa
Mount Diablo
Comment
UC1300909
Calochortus pulchellus
Helen K. Sharsmith
1962-5-20
5069
Contra Costa
Morgan Territory Road, ne slopes of Mount Diablo San Francisco Bay Region, Mount Diablo
365
Comment
CAS-BOT-BC132495
Calochortus pulchellus
Elizabeth McClintock; Wayne Roderick
1967-5-30
s.n.
Contra Costa
Marsh Creek Road, n. base of Mt. Diablo
76
Comment
RSA757049
Calochortus umbellatus
Rudolf Schmid
1997-4-8
1997 -2
Contra Costa
Hillside Natural Area, El Cerrito; southwest of Kent Drive- Regency Ct. entrance, north side of junction of the two main fire roads
145
Comment
UC2029143
Calochortus venustus
Barbara Ertter with Alan Prather
2003-6-7
18212
Contra Costa
Morgan Territory Regional Preserve east of Mount Diablo, Coyote Trail.
Comment
CAS-BOT-BC270072
Calycadenia multiglandulosa
H. M. Hall
1916-8-16
10274
Contra Costa
Horse Valley, 9 km S of Antioch
Comment
UC2027942
Calycadenia truncata
Barbara Ertter
1997-9-7
15799
Contra Costa
North side Mount Diablo, Falls Trail in Donner Canyon.
Comment
CAS-BOT-BC275399
Calycadenia truncata var. truncata
L. R. Abrams
1910-10-8
4338
Contra Costa
Mount Diablo
701
Comment
CAS-BOT-BC224751
Calystegia malacophylla subsp. pedicellata
John Thomas Howell
1942-5-24
16964
Contra Costa
Near Deer Flat, Mt. Diablo
Comment
RSA397145
Calystegia malacophylla subsp. pedicellata
Anstruther Davidson
1917-07
3251
Contra Costa
Mt. Diablo
Comment
UC1948945
Calystegia purpurata
William J. Ferlatte, L. Maynard Moe
1970-4-27
1236
Contra Costa
San Francisco Bay: Red Rock Island
Comment
UC691845
Calystegia purpurata
Mary L. Bowerman
1933-4-26
1918
Contra Costa
North Peak ridge ese of the Peak (south face, Mount Diablo); Mount Diablo, North Peak Ridge ese of the peak
609
Comment
RSA760670
Calystegia purpurata
William J. Ferlatte, L. Maynard Moe
1970-4-27
1236
Contra Costa
San Francisco Bay, Red Rock Island.
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-BC199277
Calystegia sepium subsp. limnophila
Malcom A. Nobs; S. Galen Smith
1949-7-8
941
Contra Costa
Otto's Black Bass Resort, 4 miles north of Kingston
Comment
CAS-BOT-BC202026
Calystegia sepium subsp. limnophila
J. W. Congdon
1893-7-30
s.n.
Contra Costa
Martinez
Comment
CAS-BOT-BC224745
Calystegia sepium subsp. limnophila
R. K. Brummitt; B. Ertter
1998-5-6
19792
Contra Costa
Antioch. Sea level
Comment
CAS-BOT-BC436386
Calystegia subacaulis
John Thomas Howell
1933-5-14
11270
Contra Costa
Hills east of St. Mary's College
Comment
JEPS31810
Camissonia campestris
Miss Linda Gehringer
1914-3-29
Contra Costa
Brentwood
Comment
JEPS12784
Camissonia contorta
Rimo Bacigalupi with G. T. Robbins
1955-5-4
4977
Contra Costa
s. of and above Nortonville (site)
304
Comment
RSA448887
Camissonia hirtella
H. de Forest
1930-4-6
s.n.
Contra Costa
SE of Mortonville, Small coal mine ravine.
274
Comment
RSA195470
Camissonia micrantha
Peter H. Raven
1963-3-29
18141
Contra Costa
Along Sacramento River just above Antioch
Comment
JEPS101167
Camissoniopsis hirtella
Dean W. Taylor
1971-3-28
973
Contra Costa
Mount Diablo, Mount Diablo State Park, 1 mile south of the South Entrance
457
Comment
JEPS44361
Camissoniopsis intermedia
W. L. Jepson
1921-11-19
9520
Contra Costa
Mt. Diablo
Comment
UC692451
Camissoniopsis intermedia
Mary L. Bowerman
1932-4-27
1379
Contra Costa
canyon w Riggs Canyon (s face of ridge); Mount Diablo, Oyster Ridge
335
Comment
RSA0068484
Camissoniopsis intermedia
Katie Gallagher, Nick Jensen
2014-4-26
191
Contra Costa
Las Trampas Regional Wilderness.
396
Comment
UC140387
Camissoniopsis micrantha
C. F. Baker
1903-4-25
2808
Contra Costa
sandhills Antioch
Comment
SEINET10972314
Campanula exigua
Alice Eastwood
1897-5-31
Eastwood s.n.
Contra Costa
Mount Diablo
Comment
UC1050327
Campanula grossekii
N. Floy Bracelin
1941-8-17
1572
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
JEPS83131
Capsella bursa-pastoris
R. P. Allen
1935-3-15
113
Contra Costa
Pittsburg
Comment
CAS-BOT-BC37029
Capsella bursa-pastoris
Mary L. Bowerman
1931-2-8
505
Contra Costa
Mount Diablo. North Road a new [few?] miles from North Gate.
396
Comment
UC480597
Cardamine californica
Carl Meyer
1928-2-22
289
Contra Costa
Mt. Diablo
Comment
UC691077
Cardamine californica
Mary L. Bowerman
1930-6-10
303
Contra Costa
Mount Diablo
Comment
UC905262
Cardamine californica var. californica
J. A. Rattenbury
1949-3-10
128
Contra Costa
half mi e Oakland Tunnel; e of Oakland Tunnel
243
Comment
POM272925
Cardamine californica var. integrifolia
Lyman Benson
1935-3-16
6277
Contra Costa
Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek.
244
Comment
RSA272927
Cardamine californica var. integrifolia
Lyman Benson
1935-3-16
6263
Contra Costa
Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo.
915
Comment
UC10419
Cardamine californica var. integrifolia
W. H. Brewer
1862-5-1
1039
Contra Costa
Walnut Creek
Comment
UC2032817
Cardamine hirsuta
Doran, Andrew Scott
2012-3-20
687
Contra Costa
North end of Brooks Island along ridge, cleared area northwest of caretakers residence.
Comment
CDA15243
Cardaria chalepensis
G. F. Hrusa, D. Crowe
1998-5-8
14374
Contra Costa
Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River.
Comment
JEPS59104
Carduus pycnocephalus subsp. pycnocephalus
W. L. Jepson
1943-5-27
20840
Contra Costa
near Black Hills; Mt. Diablo
Comment
CDA9484
Carduus tenuiflorus
D. G. Kelch, Abigail Moore, Michael Park
2007-5-1
7 .209
Contra Costa
Byron Airport.
Comment
CAS-BOT-BC19210
Carex barbarae
Mary L. Bowerman
1935-9-13
3344
Contra Costa
Mount Diablo. Frog Pond. At head of Forg Pond spring.
Comment
UC2013067
Carex barbarae
Barbara Ertter with Lisa Schultheis
1996-9-2
15279
Contra Costa
South side Mount Diablo, Sycamore Creek below Sulfur Spring.
Comment
CAS-BOT-BC34932
Carex densa
Mary L. Bowerman
1935-5-16
3001
Contra Costa
Mount Diablo. Russelman Park Road at Gregory Ranch junction.
289
Comment
CAS-BOT-BC34931
Carex densa
Mary L. Bowerman
1938-6-14
3682
Contra Costa
Mount Diablo. Willow Spring (near road).
701
Comment
UC2070635
Carex densa
Barbara Ertter with Kevin Hintsa et al.
2003-4-20
18156
Contra Costa
Pine Canyon on west side Mount Diablo, flood-scoured flat above Pine Pond.
Comment
UC932
Carex globosa
Brewer
1862-5-23
1150
Contra Costa
Mt. Diablo
609
Comment
UC2028412
Carex multicostata
Barbara Ertter with Alan Whittemore, Joanne Kerbavaz, et al.
2001-5-22
17648
Contra Costa
South side Mount Diablo, flat at confluence of West (Madrone) and East forks of Sycamore Creek
Comment
CAS-BOT-BC119740
Carex nebrascensis
Walter Knight
1979-6-15
3377
Contra Costa
Crooked Slough. Browns Island.
Comment
RSA720799
Carex nudata
Mary L. Bowerman
1977-04
s.n.
Contra Costa
Mount Diablo. Sycamore Creek canyon.
244
Comment
UC691961
Carex pellita
Mary L. Bowerman
1935-5-16
3000
Contra Costa
Russelman Park Road at Gregory Ranch junction; Mount Diablo
289
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
RSA0027703
Carex praegracilis
Barbara Ertter
2001-5-10
17638
Contra Costa
south side of Mount Diablo, Sulphur Spring tributary of west fork Sycamore Creek, ca 0.25 mi from Madrone Canyon Trail.
Comment
SEINET11263976
Carex praegracilis
Barbara Ertter, Dan Norris
2000-12-3
17553
Contra Costa
South side of Mount Diablo, Devils Slide Trail above Sulfur Springs on nw fork of Sycamore Creek.; 0
427
Comment
UC1795880
Carex praegracilis
Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert
1996-5-16
14672
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
UC1618162
Carex subbracteata
Barbara Ertter, Chris Thayer
1993-5-7
11694
Contra Costa
Hopkins Spring 1/2 mile SE of Inspiration Point on Wild Canyon Road, East Bay Municipal Utilities District land east of Tilden Park
304
Comment
UC2032812
Carex tumulicola
Doran, Andrew Scott
2012-3-20
682
Contra Costa
North end of Brooks Island along ridge, cleared area northwest of caretakers residence.
Comment
CDA966
Castilleja affinis
D. G. Kelch
2005-6-14
5 .332
Contra Costa
East Bay; San Pablo. North Alvarado Park, south of San Pablo Dam Rd.
Comment
UC1050822
Castilleja affinis
N. Floy Bracelin
1941-6-1
1350
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
HSC87801
Castilleja affinis
Jennifer Roth
1979-4-29
35
Contra Costa
Clayton, Russleman Park Rd. off March Creek Rd. Concord Mt. Diablo Trail Ride Association grounds.
335
Comment
RSA639387
Castilleja affinis
H. P. Bracelin
1933-6-10
768
Contra Costa
Near crest of hills north of Berkeley above Kensington.
Comment
UC2070591
Castilleja affinis
Barbara Ertter with Steve Matson
2003-3-15
18100
Contra Costa
Black Diamond Mines Regional Preserve, north slope of Rose Hill.
Comment
JEPS14827
Castilleja affinis subsp. affinis
Rimo Bacigalupi
1956-7-17
5734
Contra Costa
2.3 mi n Happy Valley road junction with State Highway 24 (just n of summit of Upper Happy Valley road, on road n-ward from Happy Valley to the head of Briones Valley)
304
Comment
UC1039781
Castilleja affinis subsp. affinis
H. L. Mason
1928-4-29
4438
Contra Costa
Mount Diablo
Comment
UC1818874
Castilleja affinis subsp. affinis
Barbara Ertter, Brad Olson
1994-5-7
12753
Contra Costa
Send Pt. Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay. Hillside
Comment
UC2070594
Castilleja exserta
Barbara Ertter with Steve Matson
2003-3-15
18101
Contra Costa
Black Diamond Mines Regional Preserve, west ridge of Rose Hill.
Comment
CHSC116613
Castilleja exserta subsp. exserta
Lowell Ahart; Josephine Guardino
2016-4-19
20779
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
JEPS100149
Castilleja exserta subsp. exserta
G. Smick
2003-3-25
GAS 78
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS100148
Castilleja foliolosa
G. Smick
2003-2-20
GAS 48
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC1377744
Castilleja foliolosa
W. J. Dress
1951-3-16
3054
Contra Costa
about 1 mi e Berkeley (along Fish Ranch Road)
Comment
RSA0068053
Castilleja foliolosa
Katie Gallagher, Nick Jensen
2014-4-26
197
Contra Costa
Las Trampas Regional Wilderness.
396
Comment
JEPS57132
Castilleja subinclusa subsp. franciscana
L. R. Heckard
1967-5-7
1596
Contra Costa
w (above) Wildcat Canyon (along Ridgeway Lane, just off Terrace Drive, El Cerrito); El Cerrito
259
Comment
CAS-BOT-BC48838
Ceanothus cuneatus
Mary L. Bowerman
1931-2-28
527
Contra Costa
Near top of south road
Comment
POM136472
Ceanothus cuneatus
H. P. Chandler
1901-4-5
977
Contra Costa
Mt. Diablo
Comment
JEPS42089
Ceanothus cuneatus var. cuneatus
W. L. Jepson
1923-3-11
9847
Contra Costa
Black Hills Mt. Diablo
Comment
UC692617
Ceanothus cuneatus var. cuneatus
Mary L. Bowerman
1933-4-9
1843
Contra Costa
w fork of Dannor Canyon, Mount Diablo
Comment
UC80011
Ceanothus cuneatus var. cuneatus
G. W. Dunn
1892-3-12
Contra Costa
Mt. Diablo
Comment
JEPS99513
Centaurea melitensis
Mary Bowerman
1994-6-19
Contra Costa
Mount Diablo, Muir Area.
Comment
RSA351522
Centaurea solstitialis
B. C. Templeton
1962-6-20
s.n.
Contra Costa
Mount Diablo
Comment
UC1479603
Centaurea solstitialis
Gloria Merrill
1980-5-30
Contra Costa
ca. 2 mi w of junction with Marsh Creek Road El Camino (along Marsh Creek Road)
Comment
UC2042753
Centaurium tenuiflorum
Barbara Ertter with Brad Olson and Lynne Hosley
1993-11-14
12320
Contra Costa
Skyline Trail in East Bay Hills west of Orinda, above Caldecott Tunnel between Fish Ranch Road and Roundtop.
Comment
UCD121507
Centaurium tenuiflorum
Ann F. Johnson
1978-6-22
s.n.
Contra Costa
Edge of the San Joaquin River at the Antioch Dunes on Pacific Gas and Electric Co. property, 4 miles east of the town of Antioch.
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
UC1050884
Centranthus ruber
N. Floy Bracelin
1942-5-17
1288
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
JEPS35031
Centromadia fitchii
W. L. Jepson
1895-9-14
Contra Costa
Walnut Creek
Comment
UC691508
Centromadia fitchii
Mary L. Bowerman
1930-9-27
471
Contra Costa
2.5 mi from entrance (= North Gate) (w road (= North Rd.)); Mount Diablo
Comment
UC702537
Centromadia fitchii
L. S. Rose
1941-10-13
41464
Contra Costa
1 mi e Walnut Creek
50
Comment
CAS-BOT-BC288537
Centromadia fitchii
David D. Keck
1933-11-2
2616
Contra Costa
1 mile E of Nichols, N part of county
Comment
CAS-BOT-BC288548
Centromadia fitchii
Mary L. Bowerman
1936-9-17
3548
Contra Costa
Mount Diablo. North Rd 2.5 miles from North Gate: at roadside, slightly lower down, extending down the bank into grassland
243
Comment
CAS-BOT-BC288549
Centromadia fitchii
Rimo Bacigalupi
1922-9-24
s.n.
Contra Costa
Along road between Clayton Mitchell
Comment
UCD130133
Centromadia parryi subsp. congdonii
Robert E. Preston
1998-10-25
1198
Contra Costa
Danville, at junction of Sycamore Valley Road and Camino Tassajara.
129
Comment
CAS-BOT-BC288878
Centromadia parryi subsp. congdonii
David D. Keck
1933-11-2
2610
Contra Costa
San Ramon, Cow Creek Canyon Rd, 0.5 mile from turnoff
Comment
CAS-BOT-BC288879
Centromadia parryi subsp. congdonii
David D. Keck
1933-11-2
2610
Contra Costa
San Ramon, Cow Creek Canyon Rd, 0.5 mile from turnoff
Comment
CAS-BOT-BC288882
Centromadia parryi subsp. congdonii
H. M. Hall
1916-10-14
10283
Contra Costa
Pacheco
Comment
UC1178029
Centunculus minimus
Herbert L. Mason
1955-7-14
14632 a
Contra Costa
1/2 mi e of Antioch Bridge
Comment
JEPS111075
Centunculus minimus
Lee Echols
2003-4-15
s.n.
Contra Costa
S of Lark Drive and N of EPA Building, within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond
15
Comment
CAS-BOT-BC222900
Cephalanthus occidentalis
Vincent Jones
1920-8-28
s.n.
Contra Costa
Orwood
Comment
UC1606353
Cephalanthus occidentalis var. californicus
Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss
1991-8-18
10692
Contra Costa
n of Pittsburg (Browns Island, near confluence of Sacramento River and San Joaquin River, opposite Pittsburg Marina); Browns Island
Comment
JEPS111792
Cerastium fontanum subsp. vulgare
D. G. Kelch
2005-5-13
05 .248
Contra Costa
Martinez. South of oil refinery along Railroad tracks in fragment of habitat
28
Comment
UC692713
Chamaesyce ocellata
Mary L. Bowerman
1930-10-19
494
Contra Costa
little below rd junction West rd
Comment
UC2031491
Cheilanthes
Barbara Ertter with David Gowen
2014-4-12
21718
Contra Costa
On north side of Prospectors Gap Road ca 1 mile east of Mount Diablo summit, burnt in previous year's fire
Comment
JEPS106987
Cheilanthes intertexta
J. Greenhouse with Kevin Hintsa
2004-4-5
5086
Contra Costa
Mt. Diablo, Fire Interpretive Trail, Devil's Pulpit
1088
Comment
CAS-BOT-BC70278
Cheilanthes intertexta
John Thomas Howell
1955-3-6
30145
Contra Costa
between South & North peaks of Mt. Diablo
Comment
CHSC23348
Chenopodium album
Willis Ball
1975-6-1
532
Contra Costa
Contra Loma Regional Park. In area #11. On n side of road ca. 200 yds e of main entrance to park.
60
Comment
UC14076
Chenopodium californicum
Chesnut and Drew
1889-4-18
Contra Costa
Antioch; sand hills
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
CDA3133
Chenopodium vulvaria
D. G. Kelch, A. G. Murdock
2005-7-11
5 .459
Contra Costa
Carquinez Strait Region; Crockett - Edwards Canyon. Edwards Creek Staging Area.
Comment
UCR13095
Chlorogalum pomeridianum
Robin Maetche, Geoffrey Matthews
1971-7-4
s.n.
Contra Costa
1 mi below North [Gate Road] entrance to Mt. Diablo State Park, Concord
427
Comment
JEPS61570
Chlorogalum pomeridianum var. pomeridianum
Edw. L. Greene
1889-5-23
Contra Costa
Byron Springs
Comment
UCD99773
Chorizanthe membranacea
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
Between Diablo and Summit.
Comment
UCD110095
Chrysolepis chrysophylla var. minor
Beecher Crampton
1957-11-20
4652
Contra Costa
Alameda County line. Between Round and Redwood Regional Parks, Berkeley Hills.
Comment
UC2070471
Cicendia quadrangularis
Barbara Ertter with Kevin Hintsa et al.
2003-4-20
18149
Contra Costa
Diablo Foothills Regional Park on west base of Mount Diablo, south end of trail along west edge of Castle Rock Recreation Area
Comment
UC1041102
Cicuta maculata var. bolanderi
J. W. Congdon
1893-7-29
Contra Costa
Martinez
Comment
UC20919
Cicuta maculata var. bolanderi
Jos. Burtt Davy
1900-6-7
6668
Contra Costa
near Martinez
Comment
RSA0070597
Cirsium cymosum
C. M. Belshaw
1936-5-7
2050
Contra Costa
2 miles north of Danville
244
Comment
RSA0070598
Cirsium cymosum
Mary L. Bowerman
1935-5-22
3041 a
Contra Costa
Eagle point ridge, canyon at north end which heads into saddle west of Twin Peaks.
305
Comment
UC691377
Cirsium cymosum var. cymosum
Mary L. Bowerman
1935-5-22
3041 a
Contra Costa
Eagle Point Ridge, canyon at n e of which heads into saddle w of Twin Peaks Mount Diablo
304
Comment
UC2070625
Cirsium douglasii var. douglasii
Barbara Ertter with D. Gowen, J. Ginochio, M. Park, S. Matson, A. Moore, S. D'Alcamo, J. Greenhouse, K. Kersh and J. Gawthrup
2005-5-8
18564
Contra Costa
Long Ridge on west side of Mount Diablo, stringer below Moses Rock Spring on Burma Road.
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
UC1607628
Cirsium occidentale var. venustum
Barbara Ertter, Lynne Hosley
1992-8-29
11265
Contra Costa
E of Mount Diablo (Prairie Falcon trail); Morgan Territory Regional Preserve
Comment
JEPS111724
Cirsium vulgare
D. G. Kelch
2004-7-9
04 .298
Contra Costa
Crockett - Carquinez Scenic Drive Just west of Pt. Costa
60
Comment
SEINET11843056
Cirsium vulgare
Unknown
1983-1
4989
Contra Costa
Castro Ranch Rd between Hillside St. & Alhambra Valley Rd
Comment
UC1795899
Clarkia
Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers
1996-5-11
14638
Contra Costa
Little Pine Creek at northwest foot of Mt. Diablo, along trail connecting North Gate Road to Castle Rock Road, Diablo Foothills Regional Park; grassy hillside.
Comment
JEPS78818
Clarkia affinis
Edward Lee
1936-5-24
2158
Contra Costa
about 2 mi se Curry Canyon; Morgan Territory, Marsh Creek
Comment
UC692500
Clarkia affinis
Mary L. Bowerman
1935-5-22
3041
Contra Costa
canyon at n end Eagle Point Ridge (canyon heads into saddle w of Twin Peaks); Mount Diablo
304
Comment
UC2028318
Clarkia affinis
Barbara Ertter, Susan D'Alcamo
1998-6-12
16159
Contra Costa
North Gate Road on west flank of Mount Diablo, ca 1/2 mile below upper Turtle Rock Ranch buildings.
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
JEPS43823
Clarkia biloba
C. L. Hitchcock
1928-6-5
13
Contra Costa
1 1/2 mi from Port Costa (between Port Costa and Martinez)
40
Comment
UC1606348
Clarkia biloba
Barbara Ertter with Dianne Lake
1991-8-18
10676
Contra Costa
e Crockett (n-facing slope above pilings ne of Bull Valley staging area); Carquinez Strait Regional Shoreline
Comment
UC306514
Clarkia biloba
A. D. E. Elmer
May, 1903
4319
Contra Costa
Mount Diablo
Comment
UC85528
Clarkia biloba
Katharine Brandegee
1907-7-4
Contra Costa
between Martinez and Port Costa
Comment
UC85545
Clarkia biloba
Katharine Brandegee
1907-7-4
Contra Costa
banks between Martinez and Port Costa
Comment
POM32522
Clarkia biloba subsp. biloba
A. D. E. Elmer
1903-05
4319
Contra Costa
Mount Diablo.
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
UC2042500
Clarkia concinna
Holly Forbes and Barbara Keller
2009-5-29
Contra Costa
Mt. Diablo State Park, along Deer Creek Rd. about 0.1 mi. from the entrance of Juniper campground.
Comment
UC634661
Clarkia concinna subsp. concinna
David R. Goddard
1927-5-23
170
Contra Costa
San Pablo Creek Canyon
Comment
UC692495
Clarkia concinna subsp. concinna
Mary L. Bowerman
1931-5-21
879
Contra Costa
Mount Diablo, Curry Cave Point Trail Curry Cave Point Trail; Mount Diablo, Curry Cave Point Trail
350
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
JEPS111562
Clarkia purpurea subsp. purpurea
A. G. Murdock
2004-5-28
294
Contra Costa
Pinole Peak
405
Comment
RSA60760
Clarkia purpurea subsp. purpurea
Edward L. Greene
1889-05
s.n.
Contra Costa
Martinez
Comment
CAS-BOT-BC163670
Clarkia purpurea subsp. quadrivulnera
Mrs. E. C. Sutliffe
1920-5-30
s.n.
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC163674
Clarkia purpurea subsp. quadrivulnera
H. L. Mason
1928-4-26
4379
Contra Costa
Around Berkeley and Oakland
Comment
CAS-BOT-BC172365
Clarkia purpurea subsp. viminea
Paul F. Covel
1940-5-12
1743
Contra Costa
Summit of Mt. Diablo
Comment
JEPS75480
Clarkia rubicunda
P. F. Yorks
1975-7-18
473
Contra Costa
n of Briones Reservoir (ca 1.9-2.0 km s of Bear Creek Road on Hampton Road in Hampton Road Natural Reserve); Hampton Road Natural Reserve
Comment
UC1481547
Clarkia rubicunda
Neil Havlik
1980-6-6
942
Contra Costa
Several colonies on Brooks Island
Comment
JEPS75481
Clarkia unguiculata
P. F. Yorks
1974-6-16
175
Contra Costa
1.9 km s Bear Creek Road (on Hampton Road, n of Briones Reservoir); Hampton Road Natural Reserve
Comment
UC172943
Claytonia exigua subsp. exigua
C. F. Baker
1903-4-28
2816
Contra Costa
Mt. Diablo, Mithcell's Canyon
Comment
UC692553
Claytonia exigua subsp. exigua
Mary L. Bowerman
1935-4-17
2846
Contra Costa
2 mi from West Road (= North Road), Mt. Diablo entrance (ridge w of chaparral); Mount Diablo
335
Comment
CAS-BOT-BC439170
Claytonia exigua subsp. exigua
Alice Eastwood
1915-5-30
4532
Contra Costa
Unspecified
Comment
POM300713
Claytonia exigua subsp. exigua
Mary L. Bowerman
1931-4-19
736
Contra Costa
Deer Flat; Rocky dry hillslope where the trail leaves the flat.
Comment
UC692552
Claytonia exigua subsp. glauca
Mary L. Bowerman
1933-5-4
1998
Contra Costa
e end Fossil Ridge; Mount Diablo
Comment
UC7871
Claytonia gypsophiloides
Edw. L. Greene
Jun 1892
Contra Costa
Mount Diablo
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
UC2027915
Claytonia parviflora subsp. parviflora
Barbara Ertter with Dan Norris
2001-4-8
17578
Contra Costa
Lime Ridge Open Space east of Walnut Creek, high part of main ridge.
Comment
RSA469285
Claytonia perfoliata
H. de Forest
1930-4-6
s.n.
Contra Costa
[Unspecified]
Comment
CAS-BOT-BC440075
Claytonia perfoliata subsp. perfoliata
John Thomas Howell
1931-3-10
5755
Contra Costa
East side of Mt. Diablo 7 miles from Clayton on Livermore road
Comment
SEINET194968
Claytonia perfoliata subsp. perfoliata
A. A. Heller
1908-4-17
8909
Contra Costa
Tracey.
10
Comment
UC615386
Claytonia perfoliata subsp. perfoliata
Beryl O. Schreiber
1932-2-28
32
Contra Costa
near Concord
Comment
CAS-BOT-BC440073
Claytonia perfoliata subsp. perfoliata
Mary L. Bowerman
1932-3-6
1099
Contra Costa
Mount Diablo. Sycamore Ridge
Comment
UC105334
Clematis flammula
N. Floy Bracelin
1941-8-10
1703
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
CAS-BOT-BC91357
Clematis lasiantha
V. Rattan
1883-4-1
s.n.
Contra Costa
Martinez.
Comment
CAS-BOT-BC92548
Clematis ligusticifolia
Paul F. Covel
1938-6-26
1516
Contra Costa
Las Trampas Canyon (behind Saint Mary's).
Comment
JEPS120287
Clinopodium vulgare
Barbara Ertter with David Gowen
2012-9-20
21018
Contra Costa
lower Vollmer Peak Trail paralleling South Drive, southeastern Tilden Park in Berkeley Hills, ca. midway along trail, wide spot in shade of bay and pine (same location as 20919)
Comment
UCD123532
Collinsia bartsiifolia
Annetta M. Carter
1933-4-23
299
Contra Costa
above the San Joaquin River, between Antioch Bridge and Antioch.
Comment
JEPS5870
Collinsia bartsiifolia var. bartsiifolia
Fred Shoemaker
1938-4-11
Contra Costa
3 mi w Byron
Comment
JEPS100147
Collinsia heterophylla
G. Smick
2003-4-3
GAS 118
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS23273
Collinsia heterophylla
Rimo Bacigalupi with G. T. Robbins
1959-4-24
7043
Contra Costa
0.5 mi n Jct of Hampton Rd and Bear Creek Rd (along Hampton Rd, just n of summit)
228
Comment
UC1301183
Collinsia heterophylla
Helen K. Sharsmith
1962-4-18
4949
Contra Costa
vicinity of Martinez (near McEwen Road); San Francisco Bay Region
106
Comment
UCSC006563
Collinsia heterophylla
Randall Morgan
1988-4-29
1152
Contra Costa
NW slope of Twin Pks, Mt. Diablo
Comment
JEPS108350
Collinsia sparsiflora
David Gowen, Mike Parks
2005-3-30
219
Contra Costa
Mt. Diablo State Park. East facing slope at base of Alamo Canyon.
350
Comment
JEPS108353
Collinsia sparsiflora
David Gowen
2005-3-31
221
Contra Costa
Sibley Regional Preserve. East facing slope just east of Park boundary near dirt road that heads northeast.
Comment
SEINET12343275
Collinsia sparsiflora
Ottley
1920-4-25
468
Contra Costa
San Francisco Bay Region, Mitchell Canon, Mt. Diablo
305
Comment
JEPS87900
Collinsia sparsiflora var. collina
Barbara Ertter, Brad Olson
1992-4-13
10951
Contra Costa
e of Curry Point (Mount Diablo State Park, Knobcone Point Road); Mount Diablo State Park, Knobcone Point Road
518
Comment
UC691585
Collinsia sparsiflora var. collina
Mary L. Bowerman
1933-4-9
1836
Contra Costa
w fork Donner Canyon Mount Diablo (Mount Diablo)
243
Comment
UC691559
Collinsia tinctoria
Mary L. Bowerman
1935-5-30
3090
Contra Costa
Mount Diablo, Eagle Point Ridge, Rock slide, Bay-10 ft to e Eagle Point Ridge; Mount Diablo, Eagle Point Ridge
350
Comment
RSA29682
Conium maculatum
Joseph A. Ewan
1936-7-5
9727
Contra Costa
Wildcat Creek
Comment
UCD126197
Convolvulus arvensis
Henry House
1995-5-20
1995- 18 a
Contra Costa
East Contra Costa County: ca. 100 meters west of Walnut Blvd., ca. 1.25 km south of Marsh Creek Road.
10
Comment
JEPS111678
Conyza bonariensis
D. G. Kelch
2003-8-13
03 .119
Contra Costa
Martinez - Train Station
2
Comment
JEPS75556
Conyza canadensis
P. F. Yorks
1975-9-6
494
Contra Costa
on Hampton Road 1.6 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Prserve
170
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
UC2027882
Conyza canadensis
Barbara Ertter, Chris Thayer
1996-10-25
15370
Contra Costa
Northwest flank of Mount Diablo, east end Northgate Trail from North Gate Road to Diablo Foothills Regional Park.
Comment
UC1050003
Coprosma lucida
N. Floy Bracelin
1942-4-12
2016
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
JEPS78633
Cordylanthus mollis subsp. mollis
Walter Knight and Neal Havlik
1979-10-7
3415
Contra Costa
in marsh along tidal inlet Point Pinole Regional Shoreline (e end of shoreline)
Comment
JEPS74986
Cordylanthus nidularius
T. I. and F. M. Chuang
1975-6-29
7517
Contra Costa
NE of Deer Flat; Mt. Diablo
Comment
NY68295
Cordylanthus nidularius
J. T. Howell
1942-7-19
17044
Contra Costa
Near of Deer Flat, Mt. Diablo.
Comment Read comments Jul 18 2011
NY68296
Cordylanthus nidularius
J. T. Howell
1942-7-19
17044
Contra Costa
Near of Deer Flat, Mt. Diablo.
Comment Read comments Jul 18 2011
NY68297
Cordylanthus nidularius
J. T. Howell
1942-7-19
17044
Contra Costa
Near of Deer Flat, Mt. Diablo.
Comment Read comments Jul 18 2011
RSA537699
Cordylanthus nidularius
T. I. Chuang
1975-6-29
7517
Contra Costa
Northeast of Deer Flat, Mount Diablo
Comment
JEPS21718
Cordylanthus pilosus subsp. pilosus
John Thomas Howell
1955-8-24
30902
Contra Costa
near Diablo Country Club; Mt. Diablo, S base of
Comment
JEPS6802
Cordylanthus pilosus subsp. pilosus
Mary L. Bowerman
1931-9-20
1045
Contra Costa
near Rock City (Rock City Canyon, N side); Mount Diablo
Comment
RSA412333
Cordylanthus pilosus subsp. pilosus
Hattie Benton
1917-10
3294
Contra Costa
Mt. Diablo.
Comment
UC2028256
Cordylanthus pilosus subsp. pilosus
Barbara Ertter, Tony Morosco
1998-9-18
16420
Contra Costa
Lime Ridge Open Space northwest of Mount Diablo, western quarry area.
Comment
CAS-BOT-BC287146
Coreopsis stillmanii
A. Kellogg; W. G. W. Harford
1969-4-8
439
Contra Costa
Antioch
Comment
CAS-BOT-BC209749
Cornus glabrata
V. Rattan
1887-5-22
s.n.
Contra Costa
Alhambra
Comment
UC692511
Cornus glabrata
Mary L. Bowerman
1931-5-28
904
Contra Costa
Pine Canyon Mt. Diablo (gully at e. end of Castle Rock Farm); , Pine Canyon
Comment
JEPS111819
Cornus sericea
D. G. Kelch
2003-8-13
03 .132
Contra Costa
Pinole Creek
68
Comment
CAS-BOT-BC209591
Cornus sericea
Virginia I. Dains; Walter Knight
1986-8-8
5471
Contra Costa
Jct Rock S1 & Werner Cut
Comment
UC2028523
Cortaderia jubata
Barbara Ertter
1997-9-14
15814
Contra Costa
Southwest side of Mount Diablo, Secret Trail at head of Pine Canyon.
Comment
CAS-BOT-BC169513
Corylus cornuta subsp. californica
Frank W. Gould
1940-2-8
865
Contra Costa
N side of Grizzly Peak
76
Comment
CAS-BOT-BC169515
Corylus cornuta subsp. californica
Alice Eastwood
1914-3-6
s.n.
Contra Costa
Redwood Canyon
Comment
UCSB29429
Corylus cornuta subsp. californica
Havlik, Neil
1969-7-3
Contra Costa
Grizzly Pk., Berkeley Hills
457
Comment
RSA721748
Cotula australis
Barbara Ertter, Mary Bowerman, et al.
1995-5-7
14055
Contra Costa
Three-Springs on NE side of Mt. Diablo SE of Clayton, road behind houses traversing north-facing slope
Comment
JEPS111677
Cotula coronopifolia
D. G. Kelch
2003-8-13
03 .114
Contra Costa
Martinez Marsh
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
CAS-BOT-BC291337
Cotula coronopifolia
Walter Knight; et al
1979-4-13
3359
Contra Costa
Point Emmet, Browns Island
Comment
RSA721594
Crassula aquatica
Mary L. Bowerman
1975-9-14
s.n.
Contra Costa
Mount Diablo.
Comment
UC1948949
Crassula connata
William J. Ferlatte, L. Maynard Moe
1970-4-27
1234
Contra Costa
San Francisco Bay: Red Rock Island
Comment
UC606743
Crassula connata var. subsimplex
Edward Lee
1936-4-19
1967
Contra Costa
bluff at n.e. corner of island Red Rock
Comment
UC692556
Crassula connata var. subsimplex
Mary L. Bowerman
1931-3-21
586
Contra Costa
Sycamore Canyon Mt. Diablo, Sycamore Canyon
335
Comment
UC692558
Crassula connata var. subsimplex
Mary L. Bowerman
1932-2-28
1093
Contra Costa
ridge e. of Rhine Canyon (grassy flat near saddle, Mt. Diablo); Mt. Diablo
579
Comment
UC1607510
Cressa truxillensis
Barbara Ertter with CNPS members
1992-1-19
10895
Contra Costa
n.w. corner Concord Naval Weapons Station (Hastings Slough); Hastings Slough
Comment
UC23230
Cressa truxillensis
Jos. Burtt Davy
1900-6-7
6678
Contra Costa
Martinez
Comment
POM138276
Croton californicus
C. F. Baker
1903-4-25
2825
Contra Costa
Antioch.
Comment
RSA289534
Croton californicus
Edward Lee, Annetta Carter
1935-8-17
1626
Contra Costa
Antioch.
Comment
SEINET4343820
Crypsis vaginiflora
Unknown
1989-9-30
8865
Contra Costa
Tilden Regional Park E of El Cerrito, East Bay Skyline Nat'l Recreation Trail (= Nimitz Way), small dried pond ca 1 1/4 mi NW of Inspiration Point.
Comment
CDA31171
Cryptantha clevelandii var. clevelandii
D. G. Kelch, Troy McGregor; Ed Biffin
2010-6-1
10 .224
Contra Costa
Mt. Diablo. Knobcone Point Rd.
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
UC78673
Cryptantha hooveri
Katharine Brandegee
May 1894
Contra Costa
near Antioch
Comment
UC691633
Cryptantha micromeres
Mary L. Bowerman
1933-4-22
1901
Contra Costa
w of Cave Point; Mount Diablo, Inner Black Hills
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
JEPS99579
Cryptantha microstachys
Mary Bowerman
1978-5-14
Contra Costa
Mount Diablo, East side of Eagle Peak, old mine wagon trail up Back Cannyon. Area of August 1977 burn.
Comment
UC691349
Cryptantha muricata
Mary L. Bowerman
1934-4-21
2536
Contra Costa
Muir Area Mount Diablo
Comment
UC2028057
Cryptantha muricata
Barbara Ertter, Tony Morosco
1998-4-12
16017
Contra Costa
Mount Olympia on north side of Mount Diablo, around rocks at summit.
Comment
JEPS108393
Cryptantha nevadensis
David Gowen
2005-4-3
222
Contra Costa
Mt. Diablo State Park. Next canyon east of Rhine Canyon and lower down than the trail from Devil's Elbow.
Comment
UC691392
Cryptantha nevadensis var. rigida
Mary L. Bowerman
1931-5-7
808 a
Contra Costa
North Peak Mount Diablo
Comment
UC691393
Cryptantha nevadensis var. rigida
Mary L. Bowerman
1932-4-9
1331
Contra Costa
Mount Diablo; Inner Black Hills, small ridge E of S spur on meridian
Comment
CAS-BOT-BC224390
Cuscuta californica
James McMurphy
1908-10-18
s.n.
Contra Costa
Antioch
Comment
CDA33504
Cuscuta japonica
R. Fonseca
2008-10-27
PDR# 1455391
Contra Costa
Rodeo; 2 California St.
0
Comment
JEPS124470
Cuscuta subinclusa
Daniel Slakey with CNPS Volunteers
2015-7-6
143
Contra Costa
Mt. Diablo, about 200 m north of Frog Pond, near stream.
Comment
SEINET943390
Cuscuta subinclusa
Joseph P. Tracy
1932-1
10790
Contra Costa
Franklin Canyon
Comment
UC1197872
Cuscuta subinclusa
Joseph P. Tracy
1932-9-10
10789 E
Contra Costa
Franklin Canyon
152
Comment
UC562677
Cuscuta subinclusa
Joseph P. Tracy
1932-9-10
10789
Contra Costa
Franklin Canyon
152
Comment
UC691854
Cuscuta subinclusa
Mary L. Bowerman
1935-6-1
3118
Contra Costa
n side Meridian Peak summit (below house); Mount Diablo
1158
Comment
UC691904
Cuscuta subinclusa
Mary L. Bowerman
1932-9-17
1587
Contra Costa
Donner Canyon, w fork toward mouth Mount Diablo
Comment
UC1795818
Cuscuta subinclusa
Barbara Ertter
1994-6-26
12876
Contra Costa
South of Point Molate Beach Park in west Richmond north of San Rafael Bridge, beach north of Pt. Castro.
Comment
CDA15290
Cynara cardunculus
G. F. Hrusa, D. Crowe, R. York
1998-7-17
14730
Contra Costa
Sacramento Delta; E end of Dow Chemical property at Pittsburg.
Comment
JEPS99953
Cynara cardunculus
A. Langston
2003-7-17
AL 67
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UCR7818
Cynoglossum grande
Wm. Horn Jr.
1964-2-26
640226- 2
Contra Costa
San Francisco Bay Region, Flicker Ridge, 1.5 mi SW of Moraga
183
Comment
SEINET4343715
Cynosurus echinatus
Unknown
1976-6-24
Contra Costa
Mount Diablo. Inner Black Hills just west of meridian and south of crest
Comment
SD175778
Cyperus difformis
D. G. Kelch
2006-9-15
06 474
Contra Costa
Shell Ave., Martinez, between Pine St. and Harborview Dr.
56
Comment
SEINET3840900
Cyperus difformis
Unknown
2006-9-15
6 .474
Contra Costa
Martinez, Shell Avenue, between Pine Street and Harborview Drive
60
Comment
UC665689
Cyperus eragrostis
Thomas Morley
1940-12-3
90
Contra Costa
banks at upper end San Leandro Lake (near mouth of Redwood Creek)
129
Comment
SEINET11752107
Cyperus eragrostis
Unknown
1940-1
90
Contra Costa
banks at upper end of San Leandro Lake near mouth of Redwood Creek
130
Comment
UC2070507
Cyperus erythrorhizos
Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich
2009-12-3
19803
Contra Costa
Mudflats at upper (south) end of San Pablo Dam Reservoir northwest of Orinda.
Comment
CAS-BOT-BC113833
Cyperus niger
Louis C. Wheeler
1952-10-2
7000
Contra Costa
Mount Diablo: ca/ 0.8 mile up from Turtle Ranch, ca. 1 mi downhill from divide in road.
Comment
SEINET7582371
Cyperus niger
Louis C. Wheeler
1952-10-2
7000
Contra Costa
Mount Diablo, ca 0.8 mile up from Turtle Ranch, ca 1 mile downhill from divide in road.
Comment
UC2028449
Cyperus niger
Barbara Ertter with Chris Thayer
1996-10-25
15387
Contra Costa
West side of Mount Diablo, South Gate Road just south of junction at Mountain House Creek crossing
Comment
UC62648
Cystopteris fragilis
Marshall A. Howe
1896-2-29
Contra Costa
Mitchell Canyon; Mt. Diablo
Comment
CHSC114319
Cytisus spachianus
T. C. Fuller
1964-3-10
11707
Contra Costa
Solano Ave. turn-off from freeway (IS 80), Richmond, Contra Costa County.
Comment
UC1795882
Danthonia californica var. californica
Barbara Ertter, Brad Olson
1994-5-7
12754
Contra Costa
S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge
Comment
UC1790262
Datura stramonium
Rudolf Schmid
2005-8-15
2005 -2
Contra Costa
16 Edwin Fr., Kensington, CA 94707-1022
169
Comment Read comments Apr 2 2012
JEPS111628
Daucus pusillus
D. G. Kelch
2005-5-1
05 .187
Contra Costa
Crockett - Edwards Canyon, near top of canyon.
150
Comment
UCD32433
Deinandra corymbosa
Beecher Crampton
1950-6-20
596
Contra Costa
Contra Costa County, 1 mile north of Richmond, Triangle Court.
Comment
UCD36025
Deinandra corymbosa
Beecher Crampton
1949-6-5
470
Contra Costa
along Highway 40, Pinole to San Pablo, above Garrity Creek, on top of West Hills.
30
Comment
CAS-BOT-BC294014
Deinandra kelloggii
Dr. A. Kellogg
1870-4-22
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC294024
Deinandra kelloggii
James I. McMurphy
1908-10-18
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC294020
Deinandra kelloggii
John Thomas Howell
1930-9-28
5505
Contra Costa
3.2 miles from Byron on Marsh Creek Road
Comment
JEPS111706
Deinandra lobbii
D. G. Kelch
2004-5-7
04 .178
Contra Costa
Ca ada del Cierbo Ca ada del Cierbo
40
Comment
JEPS111750
Delairea odorata
D. G. Kelch
2005-4-15
05 .140
Contra Costa
Rodeo Creek EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump)
220
Comment
UC635349
Delphinium
H. L. Mason
1925-3-10
1301
Contra Costa
Mount Diablo; along lower canyon slopes
Comment
UC854138
Delphinium
Lewis S. Rose
1940-4-11
40190
Contra Costa
low open fields 3 mi s Byron
15
Comment
RSA148112
Delphinium hansenii
Harlan Lewis, C. Epling
1946-5-5
605
Contra Costa
0.5 miles S of Somersville
Comment
RSA148149
Delphinium hansenii
Harlan Lewis, C. Epling
1947-5-4
703
Contra Costa
Marsh Creek Road, 5.8 miles E of Curry Creek Park Road
Comment
UC912567
Delphinium hesperium subsp. pallescens
H. L. Mason
1928-4-29
4423
Contra Costa
s slope of mt Mount Diablo, Sycamore Canyon
Comment
LA207542
Delphinium hesperium subsp. pallescens
H. Lewis; Carl Epling
1944-6-5
sn
Contra Costa
1 mi. S of Marsh Creek Rd. on the Beck Rd. to Livermore
Comment
UC2027941
Delphinium hesperium subsp. pallescens
Barbara Ertter with Alan Whittemore, Joanne Kerbavaz, et al.
2001-5-22
17646
Contra Costa
South side Mount Diablo, Sycamore Creek Road at Devils Slide area.
Comment
RSA398660
Delphinium nudicaule
John Doyen, Glenn A. Gorelick
1966-4-22
s.n.
Contra Costa
Russelman Park, Mt. Diablo State Park.
305
Comment
UC536012
Delphinium patens
Laurence S. Jones
1934-4-8
58
Contra Costa
w slope of mt approximately 3 mi surface distance from peak; Mt. Diablo
609
Comment
UC1818933
Delphinium patens
Barbara Ertter, Brad Olson, Diane Lake
1996-4-14
14595
Contra Costa
Sycamore Spring Trail off Prospectors Gap Rd., east side Mt. Diablo.
640
Comment
JEPS65196
Delphinium patens subsp. patens
L. R. Heckard
1971-4-15
2471
Contra Costa
along Morgan Territory road 7 mi n intersection with Manning road (e of Mt. Diablo)
487
Comment
CAS-BOT-BC116458
Delphinium patens subsp. patens
J. T. Howell
1931-3-10
5758
Contra Costa
7 miles east of Clayton, Mt. Diablo region
Comment
CAS-BOT-BC116459
Delphinium patens subsp. patens
Miss Mary Leolin Bowerman
1931-3-21
584
Contra Costa
Sycamore Canyon, below chaparral on west facing slope
Comment
CAS-BOT-BC116462
Delphinium patens subsp. patens
E. M. Zeile
1910-4-2
s.n.
Contra Costa
Fish Ranch
Comment
UC2027926
Delphinium patens subsp. patens
Barbara Ertter with Linda Vorobik
2001-3-24
17571
Contra Costa
Lime Ridge Open Space east of Walnut Creek, eastern edge overlooking Crystal Springs subdivision.
Comment
JEPS5529
Delphinium recurvatum
R. F. Hoover
1938-3-25
2900
Contra Costa
Byron Hot Springs
Comment
OBI10610
Delphinium recurvatum
Robert F. Hoover
1967-4-28
10511
Contra Costa
Byron Hot Springs
Comment
UC1314933
Delphinium recurvatum
R. F. Hoover
1967-4-28
10511
Contra Costa
Byron Hot Springs
Comment
LA207610
Delphinium recurvatum
Carl Epling; G. Miles
1945-3-23
542
Contra Costa
5 mi. W Tracy- Byron Road on rd. to Byron Hot Springs
Comment
JEPS62388
Delphinium variegatum
W. L. Jepson
1922-5-23
9658
Contra Costa
Mt. Diablo
Comment
UC692140
Delphinium variegatum
Mary L. Bowerman
1931-4-25
758
Contra Costa
between the old stage road and Oak Knoll Picnic Grounds; Mount Diablo
822
Comment
UCSB11260
Delphinium variegatum
Hayes, Judy
1961-3-30
Contra Costa
South Gate of Mount Diablo State Park
182
Comment
CAS-BOT-BC16940
Delphinium variegatum subsp. variegatum
Alice Eastwood
1914-3-14
3790
Contra Costa
Byron Springs
Comment
CAS-BOT-BC192544
Deschampsia cespitosa subsp. holciformis
Walter Knight; Joanne Dean
1978-8-14
3151
Contra Costa
Browns Island
Comment
POM181464
Deschampsia danthonioides
I. L. Wiggins
1930-4-17
4576
Contra Costa
1/4 mi. S. of Byron
Comment
CAS-BOT-BC192673
Deschampsia danthonioides
Mary L. Bowerman
1935-6-28
3164
Contra Costa
Chase Pond
548
Comment
CAS-BOT-BC192675
Deschampsia danthonioides
Walter Knight; Irja Knight; Mary L. Bowerman
1969-6-4
2621
Contra Costa
100 yds west of Chase Pond. Mt. Diablo
554
Comment
RSA0029050
Deschampsia elongata
Barbara Ertter
1999-6-12
16710
Contra Costa
Black Hawk Ridge road on south side of Mount Diablo, road crossing at confluence of NE and E forks of Sycamore Creek.
396
Comment
RSA0027713
Deschampsia holciformis
Barbara Ertter, Richard K. Brummitt
1998-5-6
16097
Contra Costa
Antioch Marina.
Comment
UC1133877
Dichelostemma capitatum
C. M. Belshaw
1936-5-8
2060
Contra Costa
se slope Mt. Diablo; Mt. Diablo Quad.
990
Comment
UC618200
Dichelostemma capitatum
R. F. Hoover
1938-2-21
2756
Contra Costa
Point Richmond
Comment
UC64062
Dichelostemma capitatum
Harley P. Chandler
1901-3-22
854
Contra Costa
near Martinez; San Francisco Bay Region
Comment
CAS-BOT-BC500075
Dichelostemma capitatum
Barrett Anderson
1987-4-30
3503
Contra Costa
Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole Dam site for EBMUD.
125
Comment
CAS-BOT-BC500086
Dichelostemma capitatum
E. M. Zeile
1922-6-3
s.n.
Contra Costa
Mt. Diablo.
Comment
HSC101953
Dichelostemma capitatum subsp. capitatum
Nikolaus Gillen, Michelle Bihler
2014-3-20
4
Contra Costa
Mount Diablo State Park. Back Creek Trail.
211
Comment
UC692031
Dichelostemma congestum
Mary L. Bowerman
1931-4-11
711
Contra Costa
Pine Canyon, near mouth Mount Diablo
Comment
CDA1975
Digitaria sanguinalis
D. G. Kelch, A. G. Murdock
2005-6-27
5 .39
Contra Costa
Carquinez Strait; 6th Street at Lillian Street, Crockett.
Comment
JEPS121009
Digitaria sanguinalis
D. G. Kelch
2006-9-6
06 .469
Contra Costa
Elkhorn Creek, E of Crockett
Comment
CAS-BOT-BC150327
Diplacus aurantiacus
L. R. Abrams
1916-6-30
5704
Contra Costa
Mt. Diablo
Comment
SBBG4896
Dirca occidentalis
H. and M. Dearing
1940-3-20
4122
Contra Costa
Berkeley hills in Tilden Park, Berkeley
Comment
LA209792
Dirca occidentalis
Joseph Andorfer Ewan;
1934-3-10
8643
Contra Costa
Wildcat Canyon, 2 mi below Orinda Rd bridge,
Comment
LA209793
Dirca occidentalis
Joseph Andorfer Ewan;
1936-4-15
9444 -a
Contra Costa
NE side Bald Peak, San Pablo Ridge
Comment
UC635720
Dirca occidentalis
H. L. Mason
1926-3-28
2800
Contra Costa
Glory Hole Redwood Canyon
Comment
UCSB25834
Dirca occidentalis
Keefe, Joseph
1967-3-20
Contra Costa
Huckleberry Trail, 0.5 mile east of Skyline Boulevard, near intersection with Grizzly Peak Boulevard, east of Berkeley
274
Comment
CAS-BOT-BC208654
Distichlis spicata
A. A. Beetle
1941-6-24
s.n.
Contra Costa
Point Richmond on San Francisco Bay
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
CDA39011
Dittrichia graveolens
D. G. Kelch
2011-9-23
11 .75
Contra Costa
Carquinez Strait Region; Martinez Train Station.
Comment
CHSC99232
Dittrichia graveolens
John Dittes
2006-10-26
1412
Contra Costa
San Joaquin Valley (foothills near nw edge); ca. 2.0 air miles south of Marsh Creek Gauging Station, 1.6 air miles south of Marsh Creek Reservoir Gauging Station, 1.6 air miles southwest of Intersection of Camino Diablo and Vasco Road; Contra Costa Water District's Los Vaqueros Watershed Mitigation Project Area.
67
Comment Read comments Aug 22 2009
RSA739726
Dittrichia graveolens
John Dittes
2006-10-26
1412
Contra Costa
San Joaquin Valley (foothills near NW edge) 2 air mile S of Marsh Creek Reservoir Gauging Station, 1.6 air mile SW of intersection of Camino Diablo and Vasco Road, Contra Costa Water District's Los Vaqueros Watershed Mitigation.
67
Comment
UCD84176
Dittrichia graveolens
Chuck Hughes
2009-10-2
135
Contra Costa
Marsh Creek at County Jail on Marsh Creek Road.
181
Comment
UCR198215
Dittrichia graveolens
Dean Kelch, A. G. Murdock
2005-11-3
05 .489
Contra Costa
Carquinez Strait, entrance to Mt. Wanda
37
Comment
JEPS128778
Dittrichia graveolens
Kevin Hintsa
1997-9-30
Contra Costa
Mount Diablo State Park, Live Oak Campground.
Comment
JEPS21206
Dodecatheon clevelandii subsp. patulum
Herbert L. Mason
1925-2-28
1260
Contra Costa
1/2 mi e Rodeo; e of Rodeo
Comment
UC673358
Dodecatheon clevelandii subsp. patulum
Herbert L. Mason
1925-2-28
1260
Contra Costa
1/2 mi e Rodeo; e of Rodeo
Comment
JEPS112045
Dodecatheon hendersonii
D. G. Kelch
2003-3-21
03 .52
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive
40
Comment
UC1618109
Dodecatheon hendersonii
Donald G. Nelson
1937-3-30
461
Contra Costa
Along Marsh Creek Road between Clayton and Byron
Comment
JEPS48496
Dodecatheon hendersonii
Elsa Kraeger
1926-3-7
Contra Costa
beyond tollgate on rd to Mt. Diablo; beyond tollgate on rd to Mt. Diablo
Comment
UCSB11262
Dodecatheon hendersonii
Hayes, Judy
1961-3-29
Contra Costa
2 miles N of Danville on Cliffhill Road
Comment
POM203314
Dodecatheon hendersonii subsp. cruciatum
J. T. Howell
1931-3-10
5756
Contra Costa
East side of Mt. Diablo 7 miles from Clayton on Livermore road.
Comment
JEPS18331
Downingia insignis
Lewis S. Rose
1936-4-24
36154
Contra Costa
8 mi s Antioch
30
Comment
OBI48704
Downingia insignis
Lewis S. Rose
1940-4-30
40256
Contra Costa
6 mi S of Antioch
30
Comment
UC1188738
Downingia insignis
John H. Weiler
1961-4-9
6174
Contra Costa
3 mi w Byron (on the w side of the road)
Comment
UC1733838
Downingia insignis
Kay H. Beach
1941-4-30
1082
Contra Costa
7
Comment Read comments Feb 4 2013
UCD32494
Downingia pulchella
Beecher Crampton
1950-4-22
535
Contra Costa
Contra Costa County, Concord Valley, between Highway 4 and Buchanan Field (airport).
15
Comment
UCD55128
Downingia pulchella
Beecher Crampton
1950-4-22
535
Contra Costa
Contra Costa County, Concord Valley, between Highway 4 and Buchanan Field (airport).
15
Comment
SEINET5718194
Drimys winteri
Shirley C. Tucker
1955-1
6088 B
Contra Costa
University of California Botanic Garden, Berkeley.; UC Botanic Garden
Comment
UC691093
Drymocallis glandulosa var. wrangelliana
Mary L. Bowerman
1930-6-18
343
Contra Costa
Dan Cook Canyon Mount Diablo, Dan Cook Canyon
Comment
UC691098
Drymocallis glandulosa var. wrangelliana
Mary L. Bowerman
1933-5-22
2172
Contra Costa
on north face w 1970 (Mount Diablo); Inner Black Hills, Mount Diablo
Comment
CAS-BOT-BC70864
Dryopteris arguta
Mary L. Bowerman
1930-6-18
342
Contra Costa
Dan Cook Canyon
Comment
UC1015449
Dudleya caespitosa
Reid Moran
Contra Costa
from the garden of Mrs. E. C. Dempster Orinda
Comment
SDSU12953
Dudleya cymosa subsp. cymosa
Darren Burton
1998-8-18
18 VIII1998a
Contra Costa
Mt. Diablo open space recreational area, north of Mt. Diablo State Park. Along trail to falls, from Regency Rd. entrance, Clayton.
472
Comment Read comments Oct 23 2014
JEPS49894
Dudleya cymosa subsp. paniculata
Elizabeth Ferguson
1918-1-1
Contra Costa
Donner Canyon Mount Diablo
Comment
UC692655
Dudleya cymosa subsp. paniculata
Mary L. Bowerman
1930-6-7
288
Contra Costa
Meridian Peak Summit
Comment
UC2028322
Dudleya cymosa subsp. paniculata
Barbara Ertter, Susan D'Alcamo
1998-6-12
16154
Contra Costa
North Gate Road on west flank of Mount Diablo near Buckle Point
Comment
UCD150886
Dysphania ambrosioides
James A. Neilson Jr.
1972-11-9
s.n.
Contra Costa
Walnut Creek drainage. Elevation estimated using Google Earth by label maker.
1
Comment
UC2028468
Echinochloa colona
Barbara Ertter
1997-8-24
15776
Contra Costa
Mount Diablo, Summit Road just above Junction Station
Comment
CAS-BOT-BC197107
Echinochloa crus-galli
D. E. Breedlove
1970-9-3
17685
Contra Costa
On Sierra Vista Way. Lafayette
Comment
CDA15281
Echinochloa crus-pavonis
G. F. Hrusa, D. Crowe, R. York
1998-7-17
14719
Contra Costa
Sacramento Delta; Scattered in dry areas of now dry drainage/wash through disturbed grasslands at E end of Dow Chemical property. Annual, culms gen taller than this.
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
UC2032845
Echium candicans
Doran, Andrew Scott
2012-3-20
716
Contra Costa
South part of Brooks Island, old quarry near gravel conveyer belt and grind house.
Comment
CAS-BOT-BC291118
Eclipta prostrata
Walter Knight; Irja Knight
1980-8-26
3770
Contra Costa
Hercules
Comment
UC2027936
Eclipta prostrata
Barbara Ertter
1996-9-19
15298
Contra Costa
Antioch Marina, edge of Dow Marsh lands.
Comment
UC1949380
Eichhornia crassipes
Barbara Ertter
1990-9-16
9642
Contra Costa
Junction of Cypress Road & Jersey Island Road E of Oakley
Comment
RSA721590
Elatine brachysperma
Mary L. Bowerman
1975-9-14
s.n.
Contra Costa
Mount Diablo.
Comment
CDA38938
Eleocharis macrostachya
D. G. Kelch
2005-3-24
5 .062
Contra Costa
Carquinez Strait Region; Southern Point Pinole.
Comment
JEPS111879
Eleocharis macrostachya
A. G. Murdock
2004-4-30
250
Contra Costa
McEwen Road West side of road in boggy wetland.
130
Comment
UC1618280
Eleocharis macrostachya
Barbara Ertter, Brad Olson
1991-9-28
10836
Contra Costa
S end of San Pablo Reservoir, between Orinda and El Sobrante
91
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
CAS-BOT-BC112797
Eleocharis macrostachya
Walter Knight
1978-8-19
3233
Contra Costa
Upper Sindecich Lagoon. Briones Regional Park.
335
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
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
UC1789176
Elymus glaucus
Barbara Ertter
2002-6-16
17953
Contra Costa
Richmond Field Station, southwest end of overgrown meadow near boundary with park, edge of thick growth facing fence.
Comment
UCD62270
Elymus glaucus
J. B. Davy
1898-6-6
4242
Contra Costa
Berkeley Hills.
Comment
UC692418
Elymus multisetus
Mary L. Bowerman
1935-5-25
3067
Contra Costa
Mount Diablo; s of summit
1066
Comment
UCD36928
Elymus multisetus
Beecher Crampton
1956-5-14
3425
Contra Costa
4 miles west of Martinez, road above Port Costa Brick Works.
Comment
UCD62515
Elymus multisetus
Beecher Crampton
1956-5-14
3386
Contra Costa
Between the old coal mining towns of Somersville and Nortonville, 6.7 miles southwest of Antioch.
Comment
JEPS75484
Epilobium brachycarpum
P. F. Yorks
1974-10-13
372
Contra Costa
on Hampton Rd ca 1.9 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve
200
Comment
POM32526
Epilobium canum subsp. canum
A. D. E. Elmer
1903-07
4620
Contra Costa
Mount Diablo
Comment
UC1122304
Epilobium canum subsp. canum
H. S. Yates
1934-9-2
4068
Contra Costa
1 mi sw Mount Diablo; Mount Diablo Quadrangle
Comment
CAS-BOT-BC166164
Epilobium canum subsp. canum
Peter Rubtzoff
1951-10-7
814
Contra Costa
1 to 2 mi. southwest of Moraga, near the road
Comment
CDA38070
Epilobium ciliatum
D. G. Kelch
2003-8-13
3 .142
Contra Costa
Carquinez Strait; Pinole Creek.
Comment
CDA38079
Epilobium ciliatum
D. G. Kelch
2003-8-13
3 .142
Contra Costa
Carquinez Strait; Pinole Creek.
Comment
UC1606307
Epilobium ciliatum subsp. ciliatum
Barbara Ertter, Chris Thayer
1993-5-7
11693
Contra Costa
on Wildcat Canyon Rd 1/2 mi se Inspiration Point (e of Tilden Park, marshy area); East Bay Municipal Utilities land, Hopkins Spring
304
Comment
UC2027881
Epilobium ciliatum subsp. ciliatum
Barbara Ertter
2000-9-30
17534
Contra Costa
West side Mount Diablo, pond on China Wall Road ca 1/2 mile NW of Macedo Ranch.
Comment
UC85551
Epilobium cleistogamum
Katharine Brandegee
1907-6-16
Contra Costa
clay depressions between Antioch and Marsh Creek (type locality)
Comment
UC521667
Epilobium densiflorum
Joseph Andorfer Ewan
1933-10-15
8025
Contra Costa
above Indian Ceremonial Spr. (in depression where water lingered); Mount Diablo
Comment
UC2028093
Epilobium densiflorum
Barbara Ertter, Chris Thayer
1996-10-25
15381
Contra Costa
West side of Mount Diablo, North Gate Road 3 roadmiles below Junction, roadside drainage near Mineral Spring.
Comment
POM300656
Epilobium minutum
Mary L. Bowerman
1933-6-3
2244
Contra Costa
Mount Diablo: summit, on north face.
Comment
UCD138951
Epipactis gigantea
Terri Williamson
1990-6-2
89
Contra Costa
212 Poshard Street, Pleasant Hill.
12
Comment
UC1050832
Epiphyllum crenatum
N. Floy Bracelin
1944-7-2
1338
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
UC692134
Equisetum laevigatum
Mary L. Bowerman
1931-5-16
864
Contra Costa
Lower Silver Spring; Mt. Diablo
853
Comment
CAS-BOT-BC57260
Equisetum laevigatum
Mary L. Bowerman
1938-6-14
3685
Contra Costa
Lower Silver Spring
853
Comment
CAS-BOT-BC57764
Equisetum telmateia
Mary L. Bowerman
1939-3-31
3737
Contra Costa
Mount Diablo, Johny Walker Spring.
731
Comment
RSA118089
Eragrostis curvula
J. T. Howell
1954-9-5
30026
Contra Costa
Along road, Marsh Creek Springs Park
Comment
UCD63093
Eragrostis curvula
Beecher Crampton
1965-9-29
7526
Contra Costa
5 miles south of Brentwood Vasco Road and Camino Vaqueros.
Comment
UCD64352
Eragrostis pectinacea var. pectinacea
Beecher Crampton
1965-9-29
7529
Contra Costa
2 miles north of Brentwood.
Comment
UC630417
Eremocarpus setiger
Paule Guiget and Annetta Carter
1939-8-13
1452
Contra Costa
on Marsh Creek rd 2.8 mi e Clayton
213
Comment
UC2012979
Ericameria arborescens
Barbara Ertter with Brad Olson, Dianne Hake, Seth Adams, et. al.
1994-9-11
13091
Contra Costa
Chaparral Sprs addition to Mt. Diablo State Park, north side of Marsh Creek Road at high point southeast of Clayton open oak woodland.
Comment
JEPS31312
Ericameria linearifolia
W. L. Jepson
1922-5-23
9719
Contra Costa
summit Mt. Diablo
Comment
JEPS31349
Ericameria linearifolia
W. L. Jepson
1918-6-3
7580
Contra Costa
Donner Canon Mt. Diablo
609
Comment
POM289061
Ericameria linearifolia
Lyman Benson
1935-3-16
6267
Contra Costa
Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo.
915
Comment
UC1118731
Ericameria linearifolia
R. C. Wilson
1935-3-28
151
Contra Costa
1 mi s Mt. Diablo; Mt. Diablo Quad.
685
Comment
UC1543101
Ericameria linearifolia
Donald G. Nelson
1937-4-18
503
Contra Costa
on March Creek Road in canyon between Clayton and Byron (near stream along highway, dry sandy clearing near wood)
Comment
UC1543102
Ericameria linearifolia
Donald G. Nelson
1937-4-24
520 a
Contra Costa
on March Creek Road in rolling hill country n of Byron (edge of gravely soil pit evidently dug out of former bank of stream, open sunny area)
Comment
UCD131386
Ericameria linearifolia
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
Between Diablo and Summit.
Comment
SEINET10617379
Ericameria linearifolia
John T. Middleton
1936-4-18
Middleton 137
Contra Costa
Marsh Creek Rd. - 8 mi. east of Clayton.
Comment
UC1606301
Erigeron foliosus var. franciscensis
Barbara Ertter with Lynne Hosley and Sid Cowles
1992-6-7
11083
Contra Costa
small knoll e Round Top; Oakland Hills, Sibley Volcanic Regional Preserve
Comment
CAS-BOT-BC300592
Erigeron foliosus var. franciscensis
Mary L. Bowerman
1938-6-24
3692
Contra Costa
Mount Diablo. South of Mountain House Canyon
792
Comment
CAS-BOT-BC295718
Erigeron petrophilus var. petrophilus
John Thomas Howell
1923-11-12
249
Contra Costa
Mt. Diablo
Comment
UC691787
Erigeron petrophilus var. petrophilus
Mary L. Bowerman
1931-8-29
1034
Contra Costa
summit Meridian Peak; Mount Diablo
Comment
JEPS108352
Erigeron philadelphicus var. philadelphicus
David Gowen
2005-3-31
220 A
Contra Costa
Valley east of Sibley Regional Preserve boundary. Growing along stream.
Comment
UC126026
Eriodictyon californicum
Katharine Brandegee
June, 1908
Contra Costa
Antioch
Comment
RSA136732
Eriogonum
J. T. Howell
1955-8-24
30903
Contra Costa
Near summit of south peak, Mt. Diablo
Comment
CDA22594
Eriogonum fasciculatum var. foliolosum
A. G. Murdock, D. G. Kelch
2004-3-19
233
Contra Costa
Carquinez Strait; Hercules - Carbon.
Comment
JEPS56891
Eriogonum gracile
W. L. Jepson
1898-10-18
Contra Costa
Deer Flat Mt. Diablo
Comment
UC1032304
Eriogonum gracile
G. T. Nordstrom
1937-10-28
1409
Contra Costa
1.6 mi nne Somersville; Mt. Diablo Quadrangle
Comment
JEPS99481
Eriogonum gracile
Mary Bowerman
1975-6-7
Contra Costa
Mount Diablo. Trail W of Murchio Gap to Deer Flat.
Comment
UC692149
Eriogonum inerme
Mary L. Bowerman
1935-6-1
3112
Contra Costa
largest ridge between Ransom Point and Mitchell-Pine divide; Mt. Diablo
1082
Comment Read comments May 14 2019
JEPS116889
Eriogonum inerme
David Gowen
2007-6-10
761
Contra Costa
Mt. Diablo State Park. Gravel opening in chaparral near antenna area north of summit parking lot.
Comment
UC767894
Eriogonum luteolum var. luteolum
R. F. Hoover
1937-9-2
2714
Contra Costa
Lower Marsh Creek Canyon
Comment
CAS-BOT-BC268908
Eriogonum nudum var. auriculatum
Mary L. Bowerman
1931-9-12
1037
Contra Costa
Mount Diablo. Mitchell Canyon: Spur jutting out into west fork
838
Comment
JEPS107089
Eriogonum nudum var. auriculatum
Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert
1996-5-16
14675
Contra Costa
Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; grassland/scrub at northeast corner of area.
Comment
UC692046
Eriogonum nudum var. auriculatum
Mary L. Bowerman
1931-9-12
1037
Contra Costa
Mitchell Canyon, spur jutting out into w fork Mount Diablo
838
Comment
UC692198
Eriogonum nudum var. auriculatum
Mary L. Bowerman
1932-10-1
1597
Contra Costa
s Uncle Sam Canyon (Eagle Point Ridge); Mount Diablo
Comment
CAS-BOT-BC268909
Eriogonum nudum var. auriculatum
John Thomas Howell
1930-7-4
5337
Contra Costa
In the north Berkeley Hills
Comment
UC2029055
Eriogonum nudum var. auriculatum
Barbara Ertter with Delia Taylor
2003-6-22
18227
Contra Costa
Black Diamond Mines Regional Preserve south of Pittsburg, ridge south of Arata Overlook Trail NE of park headquarters east of Somerville Road.
Comment
UC692196
Eriogonum nudum var. pubiflorum
Mary L. Bowerman
1932-9-17
1586
Contra Costa
Donner Canoyn, w fork toward mouth Mount Diablo
Comment
JEPS102909
Eriogonum roseum
Barbara Ertter with Tony Morosco
1998-10-18
16436
Contra Costa
NE corner of Lime Ridge recreation Area Mount Diablo
182
Comment
RSA39904
Eriogonum roseum
P. A. Munz
1947-10-8
12207
Contra Costa
Antioch
8
Comment
JEPS56301
Eriogonum truncatum
M. K. Curran
May 1886
Contra Costa
Antioch
Comment
POM300579
Eriogonum truncatum
Mary L. Bowerman
1933-5-25
2198
Contra Costa
Alamo Canyon; above Wilson's barn. Oyster Ridge, west end of south face.
Comment
POM89812
Eriogonum truncatum
M. K. Curran
1886-05
s.n.
Contra Costa
Antioch
Comment
RSA65310
Eriogonum truncatum
J. T. Howell
1934-4-8
11816
Contra Costa
10 miles from Clayton on Marsh Creek Road
Comment
UC85395
Eriogonum truncatum
C. F. Baker
1903-4-28
2833
Contra Costa
Marsh Creek Mt. Diablo, Marsh Creek
Comment
UC306913
Eriogonum umbellatum var. bahiiforme
A. D. E. Elmer
July, 1903
4547
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC262352
Eriogonum vimineum
John Thomas Howell
1955-8-24
30903
Contra Costa
Near summit of South Peak, Mt. Diablo
Comment
CAS-BOT-BC298505
Eriophyllum confertiflorum
Mary L. Bowerman
1933-6-3
2224
Contra Costa
2 miles by road from North Gate
Comment
CAS-BOT-BC300924
Eriophyllum jepsonii
Mary L. Bowerman
1935-5-30
3087
Contra Costa
Mount Diablo. Eagle Point ridge
304
Comment
UCD132123
Eriophyllum jepsonii
John Thomas Howell
1950-7-5
26636
Contra Costa
above Nortonville.
Comment
CAS-BOT-BC300968
Eriophyllum lanatum var. achilleoides
John Thomas Howell
1923-11-12
244
Contra Costa
Mt. Diablo
Comment
JEPS124456
Eriophyllum lanatum var. achilleoides
Daniel Slakey with CNPS Volunteers
2015-6-13
131
Contra Costa
Mt. Diablo State Park. Both above and below Burma Road; southwest-facing bank above fire trail.
Comment
JEPS34598
Eriophyllum lanatum var. achilleoides
W. L. Jepson
1918-6-3
7577
Contra Costa
Mt. Diablo
Comment
UC194915
Eriophyllum lanatum var. achilleoides
H. M. Hall
1916-5-31
10134
Contra Costa
s side of summit Mt. Diablo
1170
Comment
UC691719
Eriophyllum lanatum var. achilleoides
Mary L. Bowerman
1930-6-7
281
Contra Costa
summit Meridian peak; Mount Diablo, Meridian peak
Comment
CAS-BOT-BC300969
Eriophyllum lanatum var. achilleoides
John Thomas Howell
1931-5-12
6485 A
Contra Costa
Marsh Creek Road ne. of Mt. Diablo
Comment
CAS-BOT-BC300971
Eriophyllum lanatum var. achilleoides
H. E. McMinn
1922-6-30
98
Contra Costa
On way up Mt. Diablo, less 1/2 way up
Comment
CAS-BOT-BC300973
Eriophyllum lanatum var. achilleoides
Mary L. Bowerman
1935-5-22
3065
Contra Costa
Mount Diablo. Most westerly of the two ridges which converge at Twin Peaks (Eagle Point ridge)
365
Comment
CAS-BOT-BC300975
Eriophyllum lanatum var. achilleoides
Mary L. Bowerman
1930-6-28
388
Contra Costa
Mount Diablo
Comment
UC1584825
Eriophyllum staechadifolium
Jerry Powell
1987-7-14
1504
Contra Costa
sandstone bluff and back edge of point Molate Beach
Comment
CAS-BOT-BC301910
Eriophyllum staechadifolium
H. E. McMinn
No date on label
139
Contra Costa
Unspecified
Comment
CDA29179
Erodium botrys
D. G. Kelch
2008-6-15
8 .246
Contra Costa
Carquinez Strait; Crockett hills, S of Cummings Skyway, W of Crockett Blvd.
Comment
UC1130297
Erodium cicutarium
R. C. Wilson
1935-2-26
113
Contra Costa
Somersville Mt. Diablo Quad.
289
Comment
UC692704
Erodium cicutarium
Mary L. Bowerman
1930-6-28
387
Contra Costa
Mount Diablo, near road above junction Mount Diablo
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
POM127732
Erodium macrophyllum
Katherine Brandegee
1907-5-5
s.n.
Contra Costa
Judsonville near Antioch.
Comment
UC614848
Erodium macrophyllum
Beryl O. Schreiber
1932-3-27
Contra Costa
Mountain House
Comment
CAS-BOT-BC211072
Eryngium
Katharine Brandegee
1907-5-16
s.n.
Contra Costa
Antioch
Comment
UC691774
Eryngium aristulatum var. aristulatum
Mary L. Bowerman
June 1942
3850
Contra Costa
South Rd. Mt.Diablo
Comment
POM133545
Eryngium aristulatum var. aristulatum
Katherine Brandegee
1907-5-16
s.n.
Contra Costa
[Unspecified]
Comment
RSA136734
Eryngium aristulatum var. aristulatum
J. T. Howell
1955-8-24
30899
Contra Costa
Near Diablo Country Club
Comment
CDA32925
Eryngium jepsonii
D. G. Kelch
2009-5-24
9 .294
Contra Costa
Carquinez Strait; Carquinez Loop Trail S of Ozol, S-SW of Martinez, nr Wolcott Ln .
Comment
CDA38314
Eryngium jepsonii
D. G. Kelch
2003-6-22
3 .091
Contra Costa
Carquinez Strait Region; Pt. Costa - Shore: Above Pt. Costa (above road between McEwen and EBRP staging area).
Comment Read comments Dec 13 2016
JEPS111619
Eryngium jepsonii
D. G. Kelch
2004-7-9
04 .297
Contra Costa
Crockett - Carquinez Scenic Drive Carq. Scenic Dr. Just west of Pt. Costa
60
Comment
CDA9503
Eryngium spinosepalum
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .23
Contra Costa
Byron Airport.
Comment
CAS-BOT-BC40765
Erysimum capitatum
Alice Eastwood; John Thomas Howell
1936-4-19
2151
Contra Costa
Antioch sand hills.
Comment
CAS-BOT-BC40770
Erysimum capitatum
Volney Rattan
1879-1-1
s.n.
Contra Costa
Antioch.
Comment
CAS-BOT-BC40774
Erysimum capitatum
J. H. Thomas
1953-4-25
3010
Contra Costa
Antioch sand hills along San Joaquin River, 0.2 mile west of Antioch Bridge.
Comment
CAS-BOT-BC40775
Erysimum capitatum
James McMurphy
1910-4-9
s.n.
Contra Costa
Antioch.
Comment
CAS-BOT-BC41526
Erysimum capitatum
H. L. Mason
1933-4-9
7189
Contra Costa
East of Antioch along the San Joaquin River.
12
Comment
UC1034739
Erysimum capitatum
G. B. Rossbach
1955-3-20
571
Contra Costa
steep upper s slope Mount Diablo
1005
Comment
CAS-BOT-BC40760
Erysimum capitatum
Mary L. Bowerman
1935-4-26
2915
Contra Costa
Mount Diablo. West of the ridge west of Indian Ceremonial Spring, just below the Old Stage Road.
1005
Comment
UC1034753
Erysimum capitatum var. capitatum
G. B. Rossbach
1955-3-13
570
Contra Costa
dunes along tidal estuary of river just e Antioch; San Joaquin R
Comment
UC10536
Erysimum capitatum var. capitatum
J. Burtt Davy and E. L. Greene
1895-4-7
996
Contra Costa
Antioch
Comment
UC534852
Erysimum capitatum var. capitatum
H. L. Mason
1933-4-9
7189
Contra Costa
sand hills along river e Antioch; San Joaquin River
12
Comment
LA204363
Erysimum capitatum var. capitatum
Herbert L. Mason;
1933-4-9
7189
Contra Costa
E of Antioch along San Joaquin River
12
Comment
RSA101891
Erysimum capitatum var. capitatum
G. B. Rossbach, Ruth P. Rossbach
1938-6-5
859
Contra Costa
Near summit of Mt Diablo.
Comment
CHSC75109
Eschscholzia californica
Roger Thom
1987-4-21
6
Contra Costa
3300 block of Johnson Rd. Lafayette.
167
Comment
UC1126420
Eschscholzia californica
R. C. Wilson
1935-3-29
159
Contra Costa
1 mi sw Mt. Diablo; Mt. Diablo Quadrangle
1005
Comment
UC1819026
Eschscholzia californica
Barbara Ertter, Chris Thayer
1995-4-25
13996
Contra Costa
Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd. on north side Black Hawk Ridge.
548
Comment
UC2032838
Eschscholzia californica
Doran, Andrew Scott
2012-3-20
708
Contra Costa
Second highest point on Brooks Island, rocky outcrop overlooking man-made spit.
Comment
CDA24555
Eschscholzia californica subsp. californica
D. G. Kelch
2006-7-14
6 .335
Contra Costa
Between Rte 4 and Carbon Rd. E Rodeo.
Comment
UC186890
Eschscholzia rhombipetala
E. L. Greene
1888-3-25
Contra Costa
near Byron
Comment
UC2028364
Eucalyptus camaldulensis
Barbara Ertter
1998-6-20
16260
Contra Costa
Shell Ridge Open Space on NW side of Mount Diablo, Borges Ranch Road at junction to private residences
Comment
UC2061495
Eucalyptus sideroxylon
Dean G. Kelch
2016-5-27
16 .140
Contra Costa
Miller-Knox Hill.
Comment
UC2028496
Eucalyptus sideroxylon
Barbara Ertter
1999-3-21
16488
Contra Costa
NW corner of Miller Knox Regional Shoreline, Protero Hills SW of Richmond
Comment
JEPS1715
Eucrypta chrysanthemifolia var. chrysanthemifolia
Mary L. Bowerman
1931-4-4
652
Contra Costa
4.5 mi from Mount Diablo, West road entrance; Mount Diablo
396
Comment
UC24009
Eucrypta chrysanthemifolia var. chrysanthemifolia
Jos. Burtt Davy
1901-4-21
6923
Contra Costa
Wildcat Canyon
Comment
UC692712
Euphorbia crenulata
Mary L. Bowerman
1935-3-16
2742
Contra Costa
e fork Arroyo del Cerro; Mount Diablo
289
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
OBI5339
Euphorbia oblongata
T. C. Fuller
1961-7-6
6585
Contra Costa
On bench above crk, Alhambra Valley, hwy 4, 0.5 mi W of Glen Frazier Station, ca 4 mi W of Martinez
Comment
JEPS111957
Euphorbia peplus
D. G. Kelch
2005-3-11
05 .42
Contra Costa
Martinez: Mt. Wanda. North side
90
Comment
JEPS111958
Euphorbia peplus
D. G. Kelch
2005-4-2
05 .102
Contra Costa
Crockett - Edwards Canyon EBRP Carquinez shoreline. Edwards Creek staging area
24
Comment
UC199008
Euphorbia spathulata
Chesnut and Drew
1889-4-18
Contra Costa
Brentwood
Comment
JEPS111726
Euthamia occidentalis
D. G. Kelch
2004-7-9
04 .309
Contra Costa
Pacheco Marsh Pacheco hill Marsh west of Pacheco Slough
5
Comment
UC692290
Festuca californica
Mary L. Bowerman
1935-5-3
2966
Contra Costa
Sloan Road Mount Diablo
487
Comment
CAS-BOT-BC278318
Festuca californica subsp. californica
Mary L. Bowerman
1931-4-25
757
Contra Costa
Mount Diablo. Near junction of south and west roads
Comment
UCSB12515
Festuca perennis
Grah, Nancy
1962-4-14
Contra Costa
.6 miles north of Miner Rd. on Sleepy Hollow Lane, Orinda
182
Comment
CDA32670
Festuca pratensis
D. G. Kelch, Andrew G. Murdock
2004-5-7
4 .195
Contra Costa
Carquinez Strait; Canada del Cierbo.
Comment
CAS-BOT-BC278926
Festuca rubra
Annetta Carter
1936-4-19
1111
Contra Costa
Red Rock, San Francisco Bay
Comment
UC2028438
Ficus carica
Barbara Ertter with Chris Thayer
1996-10-25
15356
Contra Costa
Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park
Comment
CHSC75044
Foeniculum vulgare
Roger Thom
1987-5-18
13
Contra Costa
1.0mi from intersection with Pleasant Hill Rd on Reliez Valley Road. Lafayette. (1600 block)
182
Comment
CAS-BOT-BC52536
Frangula californica subsp. californica
Mary L. Bowerman
1932-11-19
1657
Contra Costa
Lower Grapevine Spring
Comment
CAS-BOT-BC223861
Frankenia salina
Walter Knight; Irja Knight
1968-8-14
2418
Contra Costa
On Contra Loma Drive, north side of road, Contra Loma Regional Park, near Antioch
Comment
UC1753841
Fraxinus dipetala
Annetta M. Carter, Leo Bowerman
1935-6-1
875
Contra Costa
Mt. Diablo. NW facing slope, W side of main peak.
1005
Comment
UC1753842
Fraxinus dipetala
Annetta M. Carter, Leo Bowerman
1935-6-1
876
Contra Costa
Mt. Diablo.
975
Comment
POM300679
Fraxinus dipetala
Mary L. Bowerman
1935-6-1
3104
Contra Costa
Mount Diablo: First small ridge east of Mitchell-Pine divide
976
Comment
UC2062658
Fraxinus dipetala
Barbara Ertter with Alan Prather
2003-6-7
18195
Contra Costa
Morgan Territory Regional Preserve east of Mount Diablo, along Valley View Trail in NE corner of park.
Comment
UC1606339
Fraxinus latifolia
Barbara Ertter, Brad Olson
1991-9-28
10844
Contra Costa
between Orinda and El Sobrante (s end of San Pablo Reservoir); San Pablo Reservoir
94
Comment
CDA37274
Fraxinus velutina
D. G. Kelch
2011-3-31
11 .077
Contra Costa
Carquinez Region; Richmond; Hilltop Lake Park.
Comment
CAS-BOT-BC136074
Fritillaria affinis
Lewis S. Rose
1934-3-7
34047
Contra Costa
Mt. Diablo
Comment
JEPS61960
Fritillaria affinis
W. L. Jepson
1921-11-19
8524
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC130197
Fritillaria agrestis
Niall McCarten; V. I. Dains
1986-1-1
03231251 13
Contra Costa
W of Camino Diablo & Kellogg Creek
Comment
CDA3560
Fumaria capreolata
D. G. Kelch, A. G. Murdock
2005-5-23
5 .374
Contra Costa
Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street, Crockett.
Comment
JEPS113074
Fumaria capreolata
Barbara Ertter
1999-3-21
16486
Contra Costa
Miller Knox Regional Park near Point Richmond, edge of old excavation into rock (southeast of Richmond Ramblers building).
Comment
UCR160111
Fumaria capreolata
M. I. Wibawa
2003-3-1
331
Contra Costa
San Francisco Bay Region, along sidewalk on corner of Junction Ave. and Hagen Blvd., El Cerrito
44
Comment
UC171670
Galium andrewsii subsp. gatense
K. Brandegee
May 1889
Contra Costa
Antioch
Comment
JEPS112111
Galium aparine
D. G. Kelch
2005-3-24
05 .53
Contra Costa
Point Pinole. Southern Pt. Pinole.
3
Comment
UC606742
Galium aparine
Edward Lee
1936-4-19
1966
Contra Costa
bluff at ne corner of island San Francisco Bay, Red Rock
Comment
CDA33985
Galium aparine
D. G. Kelch, Abigail Moore, Michael Park, Troy
2010-5-15
10 .11
Contra Costa
Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot.
0
Comment
JEPS14346
Galium murale
L. T. Dempster
1956-4-28
1000
Contra Costa
between Village and Crossroads (near creek); Orinda
Comment Read comments Apr 21 2012
JEPS49754
Galium murale
Rimo Bacigalupi, and Alice Howard, and Paul Hutchison
1967-3-29
9222
Contra Costa
upper reaches of canyon Las Trampas Ridge, Bolinger Canyon (w slope of ridge)
381
Comment
UC703118
Galium murale
John Thomas Howell
1942-4-26
16953
Contra Costa
Redwood Canyon Oakland Hills
Comment
UC2013031
Galium parisiense
Barbara Ertter with Travis Columbus
1990-6-10
9107
Contra Costa
NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill; above junction of Spengler and Blue Oaks trails.
Comment
JEPS112101
Galium porrigens var. porrigens
D. G. Kelch
2003-4-3
03 .357
Contra Costa
Cummings Skyway
134
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
CAS-BOT-BC304345
Gamochaeta pensylvanica
Gordon H. True
1975-6-4
7869
Contra Costa
Tilden Regional Park Botanic Garden, Tilden Regional Park, Wildcat Canyon, Berkeley
Comment
UC697199
Gamochaeta ustulata
Mary L. Bowerman
1942-6-1
3846
Contra Costa
Lower Rock City Camp Mount Diablo
Comment
UC2028275
Gamochaeta ustulata
Barbara Ertter
1999-6-12
16701
Contra Costa
Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo.
Comment
UC692509
Garrya elliptica
Mary L. Bowerman
1931-5-31
908
Contra Costa
Rock City Ridge (= Fossil Ridge) Mount Diablo (just back of crest of the s knoll of 1778 point)
Comment
CAS-BOT-BC169948
Garrya fremontii
Lewis S. Rose
1954-6-29
54084
Contra Costa
Mt. Diablo, summit
1170
Comment
CAS-BOT-BC282611
Gastridium phleoides
Mary L. Bowerman
1935-7-22
3191
Contra Costa
Hidden Pond, Mount Diablo
Comment
UCD66597
Gastridium phleoides
M. Wiesendanger
1926-5-1
1523
Contra Costa
Near Richmond.
Comment
JEPS125933
Gazania linearis
D. W. Taylor
2001-3-21
17615
Contra Costa
Blackhawk subdivision; growing near base of PG&E transmission tower 16/64
Comment
CDA34087
Genista monspessulana
D. G. Kelch, D. A. Weinstein
2011-3-5
11 .032-B
Contra Costa
Carqionez Strait Region.; Pt. Pinole.
Comment
CDA42355
Genista monspessulana
D. G. Kelch, Vince Guise
2012-7-26
12 .241
Contra Costa
Wildcat Canyon Park, Alvarado Unit.
Comment
JEPS99997
Genista monspessulana
G. Smick
2003-5-30
GAS 210
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UCR265172
Genista monspessulana
Barbara Ertter
1991-5-12
9816
Contra Costa
Central Coast, Point Isabel Regional Shoreline in southwest corner of El Cerrito, on San Francisco Bay; along old railroad right-of-way between bay and Salicornia marsh.
4
Comment
CHSC116654
Geranium dissectum
Lowell Ahart; Josephine Guardino
2016-4-19
20776
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. Along the east side of the gravel 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
UC1819042
Geranium dissectum
Barbara Ertter, Tony Morosco, Lynne Hosley
1995-5-29
14236
Contra Costa
South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland.
487
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
SBBG122899
Geranium rotundifolium
B. Ertter
1996-6-4
14684
Contra Costa
NE of jct of Grizzly Peak Blvd and Golf Course Drive, Tilden Regional Park
Comment
HSC98492
Geranium rotundifolium
Barbara Ertter
1996-6-4
14684
Contra Costa
Tilden Regional Park in hills E of Berkeley, restoration site NE of junction of Grizzly Peak Blvd. and Golf Course Dr.
Comment
RSA67217
Gilia achilleifolia
Verne Grant, Alva Grant
1948-5-2
8424
Contra Costa
in Bear Creek Canyon, 0.5 miles north of summit and ca. 3.8 miles from Orinda-San Pablo road.
Comment
JEPS30770
Gilia achilleifolia subsp. achilleifolia
G. Thomas Robbins
1937-4-17
122
Contra Costa
w facing slope near Point Richmond; near Point Richmond
Comment
JEPS75513
Gilia achilleifolia subsp. achilleifolia
P. F. Yorks
1974-4-28
141
Contra Costa
on Hampton Road ca 1.9 km s Bear Creek Road (n of Briones Reservoir, Hampton Road Natural Reserve); Hampton Road Natural Reserve, n of Briones Reservoir
200
Comment
UC106854
Gilia achilleifolia subsp. achilleifolia
C. F. Baker
1903-4-28
2951
Contra Costa
Mt. Diablo, Mitchell Canyon
Comment
UC908902
Gilia achilleifolia subsp. multicaulis
Herbert L. Mason
1928-4-15
4357
Contra Costa
top of Morago Ridge Morago Ridge
Comment
UC909027
Gilia achilleifolia subsp. multicaulis
Herbert L. Mason
1934-3-31
8053
Contra Costa
11 mi s Marsh Creek Road (on road from Marsh Creek to Livermore); 11 mi s Marsh Creek Road, rd from Marsh Creek to Livermore
609
Comment
RSA566427
Gilia capitata subsp. staminea
Peter L. Morrell, Donna S. Krause
1993-5-16
239
Contra Costa
Contra Costa County, along sides of raod 100m W of 1701 Wilbur Ave, Antioch, betw Southern Pacific tracks and San Joaquin River (0.5 miles W of Hwy 4/160).
Comment
RSA8346
Gilia capitata subsp. staminea
L. S. Rose
1933-4-17
33090
Contra Costa
Antioch.
Comment
UC402614
Gilia capitata subsp. staminea
C. L. Swenson
April, 1930
Contra Costa
Antioch
Comment
UC903176
Gilia capitata subsp. staminea
Ethel Crum
1936-4-5
1745
Contra Costa
two mi w Byron; South Coast Ranges, w of Byron
45
Comment
JEPS99990
Gilia clivorum
G. Smick
2003-3-25
GAS 89
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
POM300969
Gilia clivorum
Mary L. Bowerman
1935-4-19
2858
Contra Costa
Near Turtle Rock; Mount Diablo.
457
Comment
UC2028156
Gilia clivorum
Barbara Ertter
1998-4-4
15955
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo.
Comment
CDA927
Gilia tricolor
D. G. Kelch
2004-3-13
4 .042
Contra Costa
Road cut on Marsh Creek Road ~ 1.5 miles W of Deer Valley Road.
Comment
CAS-BOT-BC266489
Githopsis diffusa
Alice Eastwood
1915-5-30
s.n.
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC266488
Githopsis diffusa
R. Bacigalupi
1927-5-13
1569
Contra Costa
Along Danville - Mount Diablo Road near Garden of the Jungle Gods
518
Comment
SEINET10464449
Githopsis diffusa subsp. robusta
Bowerman
1933-6-7
BOWERMAN 2260
Contra Costa
North Peak; Bare rocks by register
Comment
SEINET10464620
Githopsis specularioides
Bowerman
1935-5-18
BOWERMAN 3034
Contra Costa
Meridian Peak north of the summit parking area
1067
Comment
RSA721589
Gnaphalium luteoalbum
Mary L. Bowerman
1978-6-24
s.n.
Contra Costa
Mount Diablo. Mitchell Creek, below 'reservoir'
191
Comment
JEPS20443
Gnaphalium palustre
W. L. Jepson
May 23 1891-May 24 1891
14746
Contra Costa
near Mt. Diablo
Comment
RSA666773
Gnaphalium palustre
Barbara Ertter, Brad Olson
1991-9-28
10835
Contra Costa
San Pablo Reservoir between Orinda and El Sobrante.
91
Comment
OBI16390
Grindelia camporum
Robert F. Hoover
1966-8-31
9945
Contra Costa
1.5 mi E of Danville, at jctn of Tassajara and Freitas Rds.
Comment
RSA95463
Grindelia camporum
L. S. Rose
1952-11-26
52020
Contra Costa
Pittsburg.
3
Comment
CAS-BOT-BC305226
Grindelia hirsutula
Lewis S. Rose
1930-7-22
s.n.
Contra Costa
Antioch Bridge
Comment
JEPS46451
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
UC1118567
Grindelia hirsutula
C. M. Belshaw
1936-5-15
2127
Contra Costa
2 1/2 mi nw Lone Tree Valley; Mt. Diablo Quad.
Comment
CAS-BOT-BC305236
Grindelia hirsutula
L. R. Abrams
1917-9-13
6727
Contra Costa
Patterson Pass - east side
Comment
SEINET3140051
Grindelia hirsutula
M. P. Dunford
1980-7-30
1510- 12 -2
Contra Costa
Cultivated specimen from seed collected just W of Antioch Bridge over the San Joaquin River
Comment
POM193965
Grindelia hirsutula var. davyi
J. T. Howell
1929-7-7
4332
Contra Costa
2 miles S of Rodeo.
Comment
UC2028054
Grindelia hirsutula var. hirsutula
Barbara Ertter with Amy Rusev
1998-1-17
15905
Contra Costa
Edge of Lime Ridge Open Space at NW foot of Mount Diablo, around former quarry [subsequently developed] on south side of Ygnacio Valley Road.
Comment
RSA144687
Grindelia stricta var. angustifolia
G. Thomas Robbins
1958-10-2
3941
Contra Costa
Along Southern Pacific Railroad just W of Carlson Blvd., near Stege railroad siding, Richmond.
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
JEPS68950
Guillenia lasiophylla
Edward Lee
1935-3-10
1279
Contra Costa
Donovan Road, w watershed of Kirker Creek Kirker Pass, Kirker Creek
Comment
UC1601407
Guillenia lasiophylla
Katharine Brandegee
1907-5-3
Contra Costa
near Antioch; Judsonville
Comment
POM273845
Guillenia lasiophylla
Lyman Benson
1935-3-16
6284
Contra Costa
3 miles S of Antioch. Mt. Range: Mt. Diablo; Watershed: Sacramento River.
152
Comment
POM300575
Guillenia lasiophylla
Mary L. Bowerman
1932-3-23
1131
Contra Costa
Ridge E of Donner Canyon.
274
Comment
CAS-BOT-BC304577
Gutierrezia californica
Peter Rubtzoff
1951-10-7
822
Contra Costa
Along lower San Joaquin River, east of Antioch
Comment
POM203484
Gutierrezia californica
L. S. Rose
1932-10-2
32655
Contra Costa
Marsh Creek Road.
Comment
JEPS127667
Hainardia cylindrica
Barbara Ertter with David Gowen and Michael Park
2017-5-2
22814
Contra Costa
West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road.
Comment
UCD85240
Hainardia cylindrica
M. Wiesendanger
1926-5-1
1466
Contra Costa
Near Richmond.
Comment
SEINET10893043
Hainardia cylindrica
E. E. Stanford
1930-5-16
Stanford 1485
Contra Costa
Near Old River. Levee.
Comment
UC2027822
Hainardia cylindrica
Barbara Ertter with Dorothy Frantz
2001-5-10
17644
Contra Costa
Castle Rock Recreation Area at mouth of Pine Canyon on west side of Mount Diablo, trodden roadside.
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
UC1795633
Hedypnois rhagadioloides
Barbara Ertter
1994-5-23
12809
Contra Costa
Point Isabel at S end Richmond, Regional Shoreline and marsh at end of Rydin Road
Comment
UCD132756
Helenium puberulum
Malcolm A. Nobs; S. Galen Smith
1949-7-8
949
Contra Costa
Otto's Black Bass Resort, 4 miles N of Kingston.
Comment
CAS-BOT-BC305326
Helianthella castanea
John Thomas Howell
1931-5-12
6475
Contra Costa
Nortonville
Comment
SEINET11196758
Helianthella castanea
D. W. Taylor
2001-3-21
17614
Contra Costa
Mount Diablo, Mount Diablo State Park, near Balancing Rock
457
Comment
UC194925
Helianthella castanea
H. M. Hall
1916-5-31
10137 c
Contra Costa
flat on s side Mt. Diablo
1066
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
RSA565068
Helianthella castanea
D. W. Taylor
1992-5-2
13419
Contra Costa
Above Selby Siding (ca 1 mile W of Carquinez Bridge), near BM 378.
107
Comment
CAS-BOT-BC305670
Helianthus gracilentus
Mary L. Bowerman
1932-9-24
1592
Contra Costa
Mount Diablo. Knoll west of Twin Peaks
457
Comment
SEINET3861359
Heliotropium convolvulaceum
K., L.; N. Thorne; J. Chandler
1986-7-27
4964
Contra Costa
Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0
610
Comment
UCD151071
Heliotropium curassavicum var. oculatum
James A. Neilson Jr.
1972-11-2
3610
Contra Costa
Contra Costa County. Walnut Creek drainage. (Elevation estimated using Google Earth by label maker.)
1
Comment
UCD159356
Helminthotheca echioides
D. S. Park
2010-6-22
141
Contra Costa
Wildwood canyon. Along trailside. Abundant along length of trail. Also growing out of pavement.
55
Comment
CAS-BOT-BC305873
Helminthotheca echioides
R. E. Frenkel
1964-6-20
593
Contra Costa
On Giant Road, 0.4 mile north of ATSF RR crossing, Richmond
15
Comment
CAS-BOT-BC305875
Helminthotheca echioides
Vincent Jones
1921-8-29
s.n.
Contra Costa
Orwood
Comment
RSA455876
Hemizonia
E. E. Stanford
1930-9-20
2099
Contra Costa
Near Walnut Creek
Comment
CAS-BOT-BC306261
Hemizonia congesta subsp. lutescens
H. M. Hall
1914-8-23
9860
Contra Costa
San Pablo
9
Comment
UC201228
Hemizonia congesta subsp. lutescens
H. M. Hall
1916-7-20
Contra Costa
Giant
7
Comment
CAS-BOT-BC306263
Hemizonia congesta subsp. lutescens
H. M. Hall
1914-9-13
9877
Contra Costa
Easterly shores of San Francisco Bay near San Pablo
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
CAS-BOT-BC314857
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1937-9-2
s.n.
Contra Costa
Walnut Creek
Comment
CAS-BOT-BC314864
Hemizonia congesta subsp. luzulifolia
John Thomas Howell
1930-9-28
5488
Contra Costa
2 miles from Concord on road to Walnut Creek
Comment
CDA7053
Hemizonia congesta subsp. luzulifolia
D. G. Kelch
2006-7-14
6 .333
Contra Costa
Between Rte 4 and Carbon Rd. E Rodeo.
Comment
CDA8366
Hemizonia congesta subsp. luzulifolia
D. G. Kelch
2003-11-24
3 .341
Contra Costa
Carquinez Strait; Between Bull Valley Staging Area and Port Costa.
Comment
UC762755
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1939-4-25
4061
Contra Costa
Richmond hills Richmond
Comment
CAS-BOT-BC314860
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1966-8-31
9947
Contra Costa
North of Livermore Valley on Highland Road
Comment
UC217383
Hemizonia congesta subsp. luzulifolia
H. M. Hall
1917-5-27
10314 a
Contra Costa
Fish Ranch Berkeley Hills
Comment
POM360296
Hemizonia fitchii
E. E. Stanford
1930-9-20
2100
Contra Costa
Near Walnut Creek
Comment
RSA722228
Hemizonia kelloggii
Barbara Ertter, Chris Thayer
1994-5-19
12783
Contra Costa
Opposite E end of Antioch Dunes, S side of Wilber Avenue N of railroad tracks E of Antioch.
Comment
POM298244
Hemizonia lobbii
H. M. Hall
1930-6-18
12792
Contra Costa
Somersville, hills S of Pittsburg.
Comment
SEINET3386992
Hemizonia luzulifolia
Lewis S. Rose
1932-10-2
32652
Contra Costa
Walnut Creek, Dry low hills, Walnut Creek.
Comment
RSA81518
Hemizonia luzulifolia subsp. rudis
James I. McMurphy
1909-9-24
s.n.
Contra Costa
San Ramon.
Comment
RSA81667
Hemizonia parryi subsp. congdonii
James I. McMurphy
1909-9-24
s.n.
Contra Costa
San Ramon
Comment
UCR184664
Hemizonia pungens subsp. pungens
Dean Kelch
2005-11-23
06 .507
Contra Costa
Point Molate
5
Comment
UC1614098
Hesperevax sparsiflora var. sparsiflora
Charles M. Belshaw
1935-6-24
779
Contra Costa
0.5 mi e Grizzly Peak (n-face of Bald Peak); Bald Peak
Comment
UC2027820
Hesperevax sparsiflora var. sparsiflora
Barbara Ertter with Stu Garrett
1997-3-29
15536
Contra Costa
West side Mount Diablo, Burma Road on Long Ridge.
Comment
JEPS100155
Hesperocnide tenella
G. Smick
2003-4-29
GAS 155
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
RSA445902
Hesperocnide tenella
Joseph A. Ewan
1936-7-5
9731
Contra Costa
Wildcat Creek.
Comment
RSA135385
Hesperolinon breweri
Volney Rattan
1886-06
s.n.
Contra Costa
Mount Diablo
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
CAS-BOT-BC175985
Hesperolinon californicum
Mary L. Bowerman
1935-6-28
3160
Contra Costa
Inner Black Hills near canyon bottom (opposite old government trail to Chase Pond). Mount Diablo
457
Comment
UC692665
Hesperolinon californicum
Mary L. Bowerman
1933-6-14
2279
Contra Costa
Inner Black Hills w 1970; Mount Diablo
Comment
SBBG21359
Heteromeles arbutifolia
V. Haraden
1941-7-18
12
Contra Costa
near Nortonville
121
Comment
UC87407
Heterotheca sessiliflora subsp. echioides
Mrs. K. Brandegee
1883-7-1
Contra Costa
Antioch
Comment
CAS-BOT-BC26197
Heterotheca sessiliflora var. bolanderioides
J. C. Semple; B. Suripto; T. Ahmed
1990-8-16
9339
Contra Costa
Charles Tilden Reg. Park, Vollmer Peak
Comment
UC1555269
Heuchera micrantha
R. C. Stebbins
1988-5-25
Contra Costa
Memory and Packrat trails Tilden Park; , Tilden Nature Area
Comment
UC16313
Hoita orbicularis
McLean
March, 1875
Contra Costa
Mt. Diablo
Comment
UCD84891
Holcus mollis
David L. Hanson
1978-3-7
s.n.
Contra Costa
Contra Costa County.
Comment
JEPS111679
Holocarpha heermannii
D. G. Kelch
2003-8-13
03 .129
Contra Costa
Pig Sale
250
Comment
SEINET5782138
Holocarpha heermannii
L. S. Rose
1941-10-13
41465
Contra Costa
1 mi E of Walnut Creek
Comment
CAS-BOT-BC320201
Holocarpha heermannii
John Thomas Howell
1955-8-24
30901
Contra Costa
Near Diablo Country Club
Comment
CAS-BOT-BC325830
Holocarpha heermannii
John Thomas Howell
1930-9-28
5487
Contra Costa
1 mile from Walnut Creek on Walnut Avenue to Concord
Comment
CAS-BOT-BC325834
Holocarpha heermannii
Lewis S. Rose
1932-10-2
32667
Contra Costa
Walnut Creek
Comment
CAS-BOT-BC325842
Holocarpha heermannii
H. M. Hall
1930-9-24
12887
Contra Costa
Walnut Creek 1.7 miles below Alamo P.O.
Comment
RSA136762
Holocarpha heermannii
J. T. Howell
1955-8-24
30901
Contra Costa
Near Diablo County Club, south base of Mt. Diablo.
Comment
RSA202873
Holocarpha heermannii
L. S. Rose
1934-9-9
34462
Contra Costa
S slope of Mt. Diablo; 9 miles NE of Danville.
Comment
SJSU7097
Holocarpha macradenia
D. J. Powers
1974-10-6
1001 A
Contra Costa
100-300' E of Interstate Hwy 80 & 100-300 yards S of Appian Way, Pinole
Comment
CAS-BOT-BC320255
Holocarpha obconica
David D. Keck
1933-10-27
2567
Contra Costa
1.6 mi. W. of Byron, 1.4 mi. from junction with Vasco Road
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-BC320243
Holocarpha obconica
David D. Keck
1933-11-2
2621
Contra Costa
Deer Valley, 1/2 mi. S. of road to Brentwood
Comment
CAS-BOT-BC320245
Holocarpha obconica
James I. McMurphy
1909-5-21
s.n.
Contra Costa
Antioch Hills
Comment
CAS-BOT-BC320251
Holocarpha obconica
H. M. Hall
1930-9-24
12846
Contra Costa
Vasco Road at Junction 4 miles west of Byron
Comment
CAS-BOT-BC320253
Holocarpha obconica
David D. Keck
1933-11-2
2621
Contra Costa
Deer Valley, 1/2 mi. S. of road to Brentwood
Comment
NY180099
Holocarpha obconica subsp. autumnalis
D. D. Keck
1933-10-7
2567
Contra Costa
1.6 miles W of Byron, 1.4 miles from junction with Vasco Road
Comment
POM298273
Holocarpha obconica subsp. autumnalis
D. D. Keck, Jens Clausen
1933-10-27
2566
Contra Costa
Vasco Road at junction with Byron Road.
Comment
SEINET10859135
Holocarpha obconica subsp. autumnalis
David D. Keck, Jens C. Clausen
1933-10-27
Keck 2567
Contra Costa
1.6 miles W. of Byron, 1.4 mi. from junction with Vasco Road. A pure stand on hillside that bore grain 2 years ago.
Comment
CHSC84517
Holocarpha virgata subsp. virgata
John Dittes
2003-6-28
2003 -69
Contra Costa
San Joaquin Valley; foothills, ca. 13.3 air-mile north by northeast of Livermore, ca. 3.4 air-miles south by southwest of Brentwood, ca. 1.3 air-miles southeast of Marsh Creek Reservoir Gauging Station.
73
Comment Read comments Dec 25 2008
OBI16043
Holocarpha virgata subsp. virgata
Robert F. Hoover
1969-8-29
11566
Contra Costa
Raymond rd and Ames St, Livermore Valley
Comment
POM179764
Holocarpha virgata subsp. virgata
J. T. Howell
1930-9-28
5500
Contra Costa
6.3 miles from Byron on the Marsh Creek Road.
Comment
POM179767
Holocarpha virgata subsp. virgata
J. T. Howell
1930-9-28
5502
Contra Costa
5.4 miles from Byron on Marsh Creek Road.
Comment
UC523544
Holocarpha virgata subsp. virgata
David D. Keck
1933-11-2
2620
Contra Costa
6 mi from Antioch (between Lone Tree Way and Marsh Creek Road); Horse Valley
Comment
RSA449754
Holodiscus discolor
Thekla Mohr
1917-07
3255
Contra Costa
Mount Diablo
Comment
UC2070616
Hordeum brachyantherum
Barbara Ertter
2002-5-16
17863
Contra Costa
Richmond Field Station (UC-Berkeley).
Comment
UC756652
Hordeum brachyantherum subsp. brachyantherum
G. L. Stebbins Jr.
1946-6-9
3654
Contra Costa
2 mi E of El Cerrito (near Mira Vista Country Club)
Comment
POM181460
Hordeum depressum
I. L. Wiggins
1900-4-7
4569
Contra Costa
2 mi. east of Mountain House on road to Byron.
Comment
SEINET11678332
Hordeum depressum
I. L. Wiggins
1930-1
4569
Contra Costa
2 mi E of Mountain House on road to Byron
Comment
CHSC116612
Hordeum marinum subsp. gussoneanum
Lowell Ahart; Josephine Guardino
2016-4-19
20800
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
RSA756860
Hordeum marinum subsp. gussoneanum
Barbara Ertter, Jim Jokerst, Dave Magney
1989-4-5
8121
Contra Costa
West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton; near sea level
0
Comment
UC55039
Hordeum marinum subsp. gussoneanum
Jos. Burtt Davy
1898-4-8
4253
Contra Costa
Danville
Comment
UC692426
Hordeum marinum subsp. gussoneanum
Mary L. Bowerman
1931-5-13
846
Contra Costa
Pine Canyon floor slightly more than a mi above the Sulphur Spring (Mount Diablo); , Pine Canyon Floor
Comment
CAS-BOT-BC284778
Hordeum murinum subsp. glaucum
Mary L. Bowerman
1933-5-17
2097
Contra Costa
Mount Diablo. Branch of Curry Canyon due south of Olafsons' barn
Comment
UC50688
Hordeum murinum subsp. leporinum
Jos. Burtt Davy
1899-4-19
7868
Contra Costa
Moraga Valley
Comment
UC691092
Horkelia californica subsp. dissita
Mary L. Bowerman
1930-6-28
404
Contra Costa
Mount Diablo, Lower Silver Spring
Comment
JEPS112098
Horkelia californica subsp. frondosa
D. G. Kelch
2005-5-1
05 .192
Contra Costa
Crockett - Edwards Canyon. On shady bank
150
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
UCD106066
Hosackia crassifolia
P. B. Kennedy
1916-5-21
s.n.
Contra Costa
Between Diablo and Summit.
Comment
JEPS1653
Hydrophyllum occidentale
W. L. Jepson
1921-5-22
9209
Contra Costa
Mt. Diablo
1158
Comment
UC24109
Hydrophyllum occidentale
State Survey
1800-1
1176
Contra Costa
Mt. Diablo summit; Mt. Diablo
Comment
UC1555372
Hypochaeris radicata
Jerry Powell
1988-5-18
1533
Contra Costa
w Richmond; Point Molate
Comment
UC1005861
Ilex aquifolium
N. Floy Bracelin
1944-5-13
2690
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
UC1050175
Ilex aquifolium
N. Floy Bracelin
1943-1-3
2387
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
SEINET3875275
Iris douglasiana
Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler
1986-7-27
4959
Contra Costa
Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0
610
Comment
UC4288
Iris longipetala
J. Burtt Davy
April, 1897
Contra Costa
Point Isabel
Comment
CDA8051
Iva axillaris
R. DeBoer
1960-1-19
Contra Costa
Toll Gate House, San Rafael Bridge, Richmond.
0
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
UC1041107
Iva axillaris subsp. robustior
J. W. Congdon
1893-7-29
Contra Costa
Martinez
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
UC2028428
Juncus articulatus
Barbara Ertter
1996-9-19
15300
Contra Costa
Antioch Marina, edge of bay in Dow Marsh lands
Comment
JEPS112451
Juncus balticus
D. G. Kelch
2005-4-24
05 .180
Contra Costa
Franklin Canyon Franklin Canyon. Collier Hill. West Carbon.
16
Comment
RSA0029053
Juncus bufonius var. bufonius
Barbara Ertter
1999-6-12
16716
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 Cones Point Road (near powerline).
457
Comment
UC1819015
Juncus bufonius var. bufonius
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14038
Contra Costa
Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, damp road bed, clayey, in grassy flat south of pond, near edge of blue oak forest.
Comment
UC2028973
Juncus bufonius var. bufonius
Barbara Ertter with Brad Olson et al.
2000-6-2
17300
Contra Costa
north side Brushy Peak Regional Preserve NE of Livermore.
Comment
UC2028305
Juncus bufonius var. congestus
Barbara Ertter, Susan D'Alcamo
1998-6-12
16200
Contra Costa
Along Curry Canyon Road just east of Curry Point, south side of Mount Diablo.
Comment
UC2028966
Juncus bufonius var. congestus
Barbara Ertter with Brad Olson et al.
2000-6-2
17305
Contra Costa
Brushy Peak Regional Preserve NE of Livermore, at south base of Brushy Peak.
Comment
CDA29782
Juncus occidentalis
D. G. Kelch, Troy MacGregor
2009-5-1
9 .262
Contra Costa
Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension.
Comment
RSA722106
Juncus occidentalis
Barbara Ertter, Gary Schoolcraft, Tony Morosco
1996-4-6
14566
Contra Costa
West end Oyster Point road in Mt. Diablo State Park.
Comment
UC1795655
Juncus occidentalis
Barbara Ertter, Gary Schoolcraft, Tony Morosco
1996-4-6
14566
Contra Costa
West end Oyster Point Rd in Mt Diablo State Park, moist meadow just east of junction.
Comment
UC2013064
Juncus occidentalis
Barbara Ertter with Lisa Schultheis
1996-9-2
15282
Contra Costa
South side Mount Diablo, grasslands below Knobcone Point Road along path to Devils Slide.
Comment
UC691913
Juncus patens
Mary L. Bowerman
1933-9-9
2436
Contra Costa
Frog Pond Mount Diablo
Comment
UC691912
Juncus patens
Mary L. Bowerman
1938-6-30
3703
Contra Costa
Lower Spring Canyon Mount Diablo
975
Comment
JEPS102917
Juncus phaeocephalus var. paniculatus
Barbara Ertter
1998-5-3
16061
Contra Costa
wet meadow below Stage Road SE of Turtle Rock Ponds; Mount Diablo
304
Comment
JEPS112436
Juncus xiphioides
D. G. Kelch
2004-5-7
04 .201
Contra Costa
Ca ada del Cierbo
40
Comment
POM203838
Juncus xiphioides
J. T. Howell
1934-5-14
11239
Contra Costa
St. Mary s College.
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
UC486488
Juniperus californica
Mrs. G. Earle Kelly
1932-7-20
Contra Costa
Laurel Dell Mt. Diablo, Laurel Dell
Comment
UC85
Juniperus californica
W. H. Brewer
1861-9-25
840
Contra Costa
Top of Mount Diablo
Comment
CAS-BOT-BC80926
Juniperus californica
Mary L. Bowerman
1932-10-9
1629
Contra Costa
North Peak: Ridge on northeast side (above Gabriel-Hinks')
685
Comment
NY21017
Juniperus californica
L. S. Rose
1934-2-28
34043
Contra Costa
W slope of Mt Diablo
Comment
POM212437
Juniperus californica
Joseph A. Ewan
1933-10-15
8038
Contra Costa
SW slope of Mt Diablo.
1067
Comment
JEPS41062
Koeleria macrantha
Rimo Bacigalupi and L. R. Heckard
1965-5-11
9083
Contra Costa
San Francisco Bay Brooks Island (sw of Richmond); , Brooks Island
30
Comment
CAS-BOT-BC273618
Koeleria pyramidata
Walter Knight
1972-4-1
s.n.
Contra Costa
Mallard Slough between Port Chicago and Pittsburg
Comment
JEPS100181
Lactuca serriola
A. Langston
2003-8-26
AL 85
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
CAS-BOT-BC340536
Lactuca serriola
Walter Knight
1978-10-4
3315
Contra Costa
Browns Island
Comment
UCR66430
Lactuca virosa
J. T. Howell
1943-8-22
19310
Contra Costa
San Francisco Bay Region/Coast Range, near head of San Leandro Creek Canyon
244
Comment Read comments Jul 7 2009
UC2029174
Lactuca virosa
Barbara Ertter
2000-7-29
17443
Contra Costa
Donner Basin on north side of Mount Diablo, Falls Trail at east fork of Donner Creek (between main fork and Wild Oat Canyon), trickle of surface water.
Comment
UC2043144
Lamium amplexicaule
Barbara Ertter with David Gowen
2015-2-22
22228
Contra Costa
Green Ranch area on Mount Diablo SE of summit, between Green Ranch Road and Alder Creek.
Comment
UC579839
Lamium amplexicaule
Annetta Carter
1937-4-4
1230
Contra Costa
about 10 mi e Pinole; Vaca Canyon
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
POM50986
Lasthenia ferrisiae
Alice Eastwood
1914-3-14
3761
Contra Costa
Byron Springs.
Comment
RSA113973
Lasthenia fremontii
Peter H. Raven, H. L. Mason, Robert Ornduff
1957-4-3
10597
Contra Costa
3.0 miles S of Byron.
Comment
JEPS89771
Lasthenia gracilis
Dean William Taylor
991
Contra Costa
along Byron Road (J4) at the junction of Holley Road; Byron Road
15
Comment
UC89979
Lasthenia microglossa
K. Brandegee
1889-5-1
Contra Costa
Antioch
Comment
CAS-BOT-BC361124
Lasthenia microglossa
Mary L. Bowerman
1936-4-23
3405
Contra Costa
Mount Diablo: Mitchell-Pine divide, northernmost 2750 ft. point
838
Comment
SEINET3387255
Lasthenia minor
Lewis S. Rose
1933-3-29
33039
Contra Costa
Nortonville.
Comment
UC30472
Lasthenia minor
F. T. Bioletti
1892-1
Contra Costa
Byron
Comment
CAS-BOT-BC370829
Lasthenia platycarpha
Alice Eastwood
1914-3-14
3823
Contra Costa
Byron Springs
Comment
UC1184086
Lasthenia platycarpha
Ren Hwa Shan
1947-3-23
2013 a
Contra Costa
vernal pool 3.3 mi s Byron
7
Comment
CDA27128
Lathyrus jepsonii subsp. californicus
D. G. Kelch
2007-4-29
7 .204
Contra Costa
Carquinez Strait; Richmond; Chevy s Hill N. Hilltop Dr.
Comment
UC15383
Lathyrus jepsonii var. californicus
W. H. Brewer
1862-4-30
1018
Contra Costa
Camp 69 Walnut Creek
Comment
UC2027834
Lathyrus jepsonii var. californicus
Barbara Ertter
2001-5-10
17635
Contra Costa
North flank of Mount Diablo, SE of Mitchell Canyon trailhead, on traversing road to Mitchell Rock Trail.
Comment
CAS-BOT-BC205016
Lathyrus jepsonii var. jepsonii
Walter Knight
1978-8-14
3124
Contra Costa
Browns Island
Comment
JEPS107088
Lathyrus latifolius
Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert
1996-5-16
14671
Contra Costa
Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay, northwest corner of area.
Comment
UC2029076
Lathyrus latifolius
Barbara Ertter
2000-7-16
17404
Contra Costa
Pine Creek on NW base of Mount Diablo, Stage Road at Pine Pond.
Comment
UCD35904
Lathyrus vestitus
Beecher Crampton
1966-4-26
7667
Contra Costa
ca. 2.5 miles west of Martinez on the road to Crockett.
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
JEPS99994
Lathyrus vestitus var. vestitus
G. Smick
2003-3-13
GAS 70
Contra Costa
Mt. Wanda, Martinez, John Muir National Historic Site.
Comment
UC1819260
Lathyrus vestitus var. vestitus
Barbara Ertter, Dale Sanders, Dan Norris
1994-3-26
12332
Contra Costa
Peyton Hill east of I-680 east of Martinez, south of Waterfront Road, southeast side of hill, with dense patches of Wyethia angustifolia.
30
Comment
CDA15231
Lavatera cretica
G. F. Hrusa, D. Crowe
1998-5-8
14360
Contra Costa
Sacramento Delta; Dow Chemical property at Pittsburg.
Comment
RSA666403
Lavatera cretica
Barbara Ertter
1991-5-12
9813
Contra Costa
Point Isabel Regional Shoreline in SW corner of El Cerrito, on San Francisco Bay.
Comment
CAS-BOT-BC323926
Layia chrysanthemoides
Alice Eastwood
1914-3-14
3820
Contra Costa
Byron Springs
Comment
POM181462
Layia chrysanthemoides
I. L. Wiggins
1930-4-17
4572
Contra Costa
1/4 mi. S. of Byron.
Comment
CAS-BOT-BC321746
Layia gaillardioides
Mary L. Bowerman
1935-4-17
2847
Contra Costa
Mt. Diablo. North Road, 2 mi from North Gate, ridge west of chaparral.
335
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
UC89217
Layia gaillardioides
K. Brandegee
May 1884
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC321763
Layia gaillardioides
Joseph Andorfer Ewan
1936-4-15
9444
Contra Costa
E. slope Bald Peak, San Pablo Ridge
Comment
UC2027818
Layia gaillardioides
Barbara Ertter with Stu Garrett
1997-3-29
15531
Contra Costa
West side Mount Diablo, Burma Road on Long Ridge.
Comment
CAS-BOT-BC321078
Layia glandulosa
Alice Eastwood; John Thomas Howell
1936-4-19
2150
Contra Costa
Antioch sand hills
Comment
CAS-BOT-BC321079
Layia glandulosa
Alice Eastwood
1921-4-18
10271
Contra Costa
Antioch
Comment
CAS-BOT-BC321082
Layia glandulosa
C. F. Baker
1909-5-20
s.n.
Contra Costa
Antioch
Comment
UC990574
Layia glandulosa
James I. McMurphy
1910-4-9
Contra Costa
Antioch
Comment
UC34544
Layia glandulosa
E. R. Drew
1889-4-18
Contra Costa
Comment
UCD133904
Layia glandulosa
Annetta M. Carter
1933-4-23
300
Contra Costa
above the San Joaquin River, between Antioch Bridge and Antioch.
Comment
UC691547
Layia hieracioides
Mary L. Bowerman
1931-4-19
744
Contra Costa
Tiny flat below Deer Flat
Comment
CAS-BOT-BC327698
Layia pentachaeta
Brandegee
no date on sheet
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC370663
Layia platyglossa
Alice Eastwood; John Thomas Howell
1936-4-19
2149
Contra Costa
Antioch
Comment
CAS-BOT-BC370665
Layia platyglossa
Alice Eastwood
1915-5-30
s.n.
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC377907
Layia platyglossa
Lewis S. Rose
1933-4-17
33093
Contra Costa
Antioch
Comment
UC1069769
Layia platyglossa
C. M. Belshaw
1936-5-8
2064
Contra Costa
se slope Mt. Diablo; Mt. Diablo Quad.
Comment
UC518017
Layia platyglossa
Lewis S. Rose
1933-4-17
33093
Contra Costa
Antioch
Comment
CDA31884
Leersia oryzoides
D. G. Kelch
2007-11-13
7 .656
Contra Costa
Carquinez Strait; Old brick factory 1.2 km SE of Port Costa.
Comment
CDA37946
Leersia oryzoides
D. G. Kelch, Mike Perlmutter
2011-9-23
11 .754
Contra Costa
Immediately north of Discovery Bay.
Comment
JEPS78824
Lepechinia calycina
Edward Lee
1936-5-24
2166
Contra Costa
10 mi from Marsh Creek Road (Morgan Territory); Morgan Territory
Comment
SEINET4081593
Lepechinia calycina
B. C. Templeton
1962-1
sn
Contra Costa
Mount Diablo.
Comment
UC691410
Lepechinia calycina
Mary L. Bowerman
1938-5-28
3638
Contra Costa
Mount Diablo North Road 5.4 miles from North Gate
457
Comment
CAS-BOT-BC89844
Lepidium
Bauer
1857-5-1
s.n.
Contra Costa
Mond Diabola.
Comment
CDA24907
Lepidium dictyotum var. acutidens
Jim Jokerst
1989-3-29
3069
Contra Costa
0.25 mile south of Byron Hot Springs, northeast of Livermore.
0
Comment
CDA18028
Lepidium latifolium
B. Case
1999-7-8
PDR 004804
Contra Costa
Grayson Creek, Pacheco.
0
Comment
CAS-BOT-BC89716
Lepidium latifolium
Walter Knight
1978-8-12
3231
Contra Costa
Ca. 0.8 mile east of Point Pinole.
Comment
CAS-BOT-BC89891
Lepidium nitidum
Alice Eastwood
1914-3-14
s.n.
Contra Costa
Byron Springs.
Comment
CAS-BOT-BC89892
Lepidium nitidum
Alice Eastwood
1914-3-14
3775
Contra Costa
Byron Springs.
Comment
CAS-BOT-BC89893
Lepidium nitidum
Alice Eastwood
1921-4-18
10259
Contra Costa
Antioch.
Comment
JEPS124454
Lepidium nitidum
Daniel Slakey with Randy Morgan
2015-4-3
89
Contra Costa
Alkaline grassland on southwest corner at the intersection/curve of Raymond Rd. and Ames St.
Comment
UC2028050
Lepidium nitidum
Barbara Ertter
1998-2-15
15911
Contra Costa
Shell Ridge Open Space on northwest base of Mount Diablo, roadside near Indian Creek.
Comment
JEPS111855
Lepidium nitidum var. nitidum
D. G. Kelch
2003-2-7
03 .37
Contra Costa
Franklin Canyon
115
Comment
JEPS68978
Lepidium nitidum var. nitidum
Edward Lee
1935-3-29
1314
Contra Costa
Nortonville, s. watershed of Kirker Creek
Comment
UCD115836
Lepidium strictum
G. Thomas Robbins
1959-4-26
4006
Contra Costa
About 1 mile northeast of Giant and about one-fourth mile north of San Pablo Oil Tank Farm.
7
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
UCR152069
Leptochloa uninervia
Beecher Crampton
1959-10-19
5467
Contra Costa
4 mi south of Brentwood, along Vasco Road, just N of its junction with Mount Diablo Road
40
Comment
CAS-BOT-BC226592
Leptosiphon ambiguus
Mary L. Bowerman
1934-3-18
2481
Contra Costa
Mount Diablo. West of Russelman Park on edge of Donner Canyon
Comment
UC2027821
Leptosiphon androsaceus
Barbara Ertter with Stu Garrett
1997-3-29
15529
Contra Costa
West side Mount Diablo, Burma Road on Long Ridge.
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-BC324113
Lessingia glandulifera var. glandulifera
James McMurphy
1908-10-18
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC324115
Lessingia glandulifera var. glandulifera
Peter Rubtzoff
1951-10-7
821
Contra Costa
Along lower San Joaquin River, east of Antioch
Comment
JEPS79353
Lessingia pectinata var. tenuipes
Edward Lee with Annetta Carter
1935-8-17
1621
Contra Costa
Antioch
Comment
UC2029023
Leucanthemum vulgare
Barbara Ertter
1999-7-17
16761
Contra Costa
Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road.
Comment
JEPS78895
Leymus X multiflorus
Edward Lee
1935-8-13
1616
Contra Costa
Vaca Canyon; roadside
Comment
CAS-BOT-BC283732
Leymus condensatus
A. A. Beetle
1941-6-24
1751
Contra Costa
Pt Richmond on San Francisco Bay
Comment
CAS-BOT-BC272211
Leymus triticoides
A. A. Beetle
1941-6-24
1751
Contra Costa
Pt. Richmond on San Francisco Bay
Comment
CDA19893
Leymus triticoides
R. M. Case
2002-6-1
PDR P 099532
Contra Costa
Northern California; Highland Rd & Collier.
0
Comment
CAS-BOT-BC272213
Leymus triticoides
Mary L. Bowerman
1935-6-28
3159
Contra Costa
Inner Black Hills west of the meridian, Mount Diablo
Comment
CAS-BOT-BC272215
Leymus triticoides
R. E. Frenkel
1964-7-25
704
Contra Costa
In vicinity of PG&E pole on Morgan territory Road, 0.2 mile south of summit
637
Comment
JEPS65188
Lilaea scilloides
L. R. Heckard
1971-4-15
2479
Contra Costa
s of Byron (at intersection of Holey Road)
Comment
UC2029177
Lilaea scilloides
Barbara Ertter with Alan Prather
2003-6-7
18191
Contra Costa
Morgan Territory Regional Preserve east of Mount Diablo.
Comment
UCD127576
Lilaeopsis masonii
Robert E. Preston
1991-10-1
604
Contra Costa
Antioch, Big Break Marina, along east side of levee north of the marina.
0
Comment
UC692007
Lilium pardalinum
Mary L. Bowerman
1935-6-21
3144
Contra Costa
e fork Arroyo del Cerro; Mount Diablo
289
Comment
JEPS19593
Limnanthes douglasii
H. M. Evans
Apr. 1901
Contra Costa
Mt. Diablo
Comment
OBI12577
Limnanthes douglasii subsp. rosea
Robert F. Hoover
1967-4-28
10508
Contra Costa
Byron Hot Springs
Comment
UC615175
Limnanthes douglasii subsp. rosea
Beryl O. Schreiber
1932-3-27
158
Contra Costa
Byron Hot Springs
Comment
UC971814
Limnanthes douglasii subsp. rosea
Annetta Carter
1941-4-27
1635
Contra Costa
3 mi se Byron
Comment
CHSC106844
Limnanthes douglasii var. rosea
Barbara Ertter; Jim Jokerst, Dave Magney
1989-4-5
8115
Contra Costa
SE part of county. Ca 15 air miles SW of Stockton, alkali sink W and adjacent to Clifton Court Forebay.
Comment
CDA33338
Limnobium laevigatum
Robin Breckenridge, Katheryn White
2010-10-5
PDR# 5059101
Contra Costa
Rio Vista; San Joaquin River, 1/2 mile east of Fisherman s Cut. 2 miles west of Spin Drift Marina.
0
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
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
UC691636
Linanthus androsaceus
Mary L. Bowerman
1933-4-15
1861
Contra Costa
2nd ridge se Arroyo del Cerro; Mount Diablo
Comment
UC880306
Linanthus androsaceus
Lewis S. Rose
1940-4-30
40253
Contra Costa
8 mi se Clayton; Marsh Creek
30
Comment
UC1925900
Linanthus ciliatus
Donald G. Nelson
1937-4-29
517
Contra Costa
Road from Pinole S towards Alhambra Road.
Comment
UC30155
Linanthus ciliatus
W. H. Brewer
1862-5-22
1138
Contra Costa
e of Mount Diablo
Comment
UC691641
Linanthus ciliatus
Mary L. Bowerman
1935-5-22
3042
Contra Costa
Eagle Point ridge Mount Diablo (canyon at the n end which heads into saddle w of Twin Peaks)
304
Comment
UC691638
Linanthus pygmaeus subsp. continentalis
Mary L. Bowerman
1933-5-25
2178
Contra Costa
w end of s-face Oyster Ridge
396
Comment
CDA29106
Linum bienne
D. G. Kelch
2006-5-7
06 .148-B
Contra Costa
Carquinez Strait.; Crockett. Upper Edward s Canyon.
Comment
UCR248236
Linum bienne
Dean Kelch
2011-5-28
11 .537
Contra Costa
Carquinez Strait Region, west of Martinez, north of end of Hillside Place
183
Comment
POM138838
Linum grandiflorum
C. F. Baker
1903-4-28
s.n.
Contra Costa
Byron?
Comment
HSC20215
Lithophragma affine
Greg Bos
1963-3-9
36
Contra Costa
Albany Hill
9
Comment
UCSB10858
Lithophragma affine
Hayes, Judy
1961-3-29
Contra Costa
1 mile W of Danville on Pixie Lane
Comment
RSA468227
Lithophragma affine subsp. affine
H. de
1930-4-6
s.n.
Contra Costa
[No locality information provided]
Comment
UC2028406
Lithophragma bolanderi
Barbara Ertter with Christopher Baysdorfer
1998-5-10
16109
Contra Costa
Lime Ridge Open Space northwest of Mount Diablo, along Ohlone Trail
Comment
UC692422
Lithophragma heterophyllum
Mary L. Bowerman
1933-4-9
1840
Contra Costa
Donner Canyon, W fork Mount Diablo (by trail)
274
Comment
UC1051271
Lobelia tupa
N. Floy Bracelin
1941-6-29
1262
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC691819
Logfia filaginoides
Mary L. Bowerman
1935-5-1
2944 a
Contra Costa
West road 4.4 mi from entrance; Mount Diablo
381
Comment
UC691820
Logfia filaginoides
Mary L. Bowerman
1931-5-16
854
Contra Costa
s side Meridian Peak summit; Mount Diablo, Meridian Peak summit
Comment
UC1819041
Logfia gallica
Barbara Ertter, Tony Morosco, Lynne Hosley
1995-5-29
14237
Contra Costa
South side Mount Diablo, road to Sheepherders Springs 1/2 mile north of Curry Point from Sloan Road, clay at edge of grassland/woodland.
426
Comment
JEPS97558
Lolium multiflorum
R. D. Stone
1980-7-13
278
Contra Costa
'Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Rd)
Comment
UC691199
Lolium multiflorum
Mary L. Bowerman
1935-5-1
2940 a
Contra Costa
West [= North Rd.] road 2.1 mi from entrance Mount Diablo (just below the road, Mount Diablo); , West road [= North Rd.]
182
Comment
UC69727
Lolium multiflorum
Mary L. Bowerman
1933-5-25
2199
Contra Costa
Mount Diablo; Mount Diablo; Mount Diablo, Alamo Canyon; Alamo Canyon; Mount Diablo, above Wilson's barn
Comment
CAS-BOT-BC283395
Lolium multiflorum
Mary L. Bowerman
1933-5-25
2199
Contra Costa
Mount Diablo. Alamo Canyon: E-facing slope above Wilson's barn
Comment
UC606746
Lolium perenne
Edward Lee
1936-4-19
1973
Contra Costa
Red Rock , se shore Red Rock (San Francisco Bay)
Comment
RSA641386
Lolium perenne subsp. multiflorum
Terry J. O'Brien
1999-07
s.n.
Contra Costa
San Francisco Bay Area. eastern Richmond along boundary with EL Cerrito. Mira Vista Park adjacent Mira Vista School
91
Comment
UC692428
Lolium temulentum
Mary L. Bowerman
1933-5-17
2096
Contra Costa
branch of Curry Canyon due s of Olafson's barn Mount Diablo; , branch of Curry Canyon
Comment
JEPS128781
Lomatium caruifolium
Kevin Hintsa
2000-4-6
Contra Costa
Mount Diablo State Park, Mitchell Canyon at connector trail between lower section of Black Point Trail and lower White Canyon (on N edge of trail barely W of Black Point Trail's eastern section).
Comment
UCD127623
Lomatium dasycarpum
P. B. Kennedy
1925-4-26
s.n.
Contra Costa
Banks above road to Sycamore Canon, Mt. Diablo.
Comment
UC691420
Lomatium dasycarpum subsp. dasycarpum
Mary L. Bowerman
1932-2-28
1095
Contra Costa
W of Blackberry Spring; Mount Diablo
Comment
UC106225
Lomatium macrocarpum
Katharine Curran
May 1885
Contra Costa
Antioch
Comment
UC691429
Lomatium macrocarpum
Mary L. Bowerman
1933-4-26
1906
Contra Costa
e.-s.e. of the peak North Peak ridge (Mt. Diablo); Mt. Diablo
579
Comment
UC566798
Lomatium utriculatum
H. L. Mason
1929-3-29
5138
Contra Costa
above, Marsh Creek Road Clayton
Comment
CAS-BOT-BC240419
Lonicera hispidula
Alice Eastwood
1915-6-21
4732
Contra Costa
San Leandro
Comment
CDA42380
Lonicera hispidula
D. G. Kelch
2012-5-27
12 .071
Contra Costa
Carquinez Strait Region; Pinole Valley Park.
Comment
CAS-BOT-BC240418
Lonicera hispidula
John Thomas Howell
1925-9-12
1433
Contra Costa
Oakland Hills
Comment
CDA28994
Lonicera hispidula var. vacillans
D. G. Kelch, Suzanne Latham, Matt Beyers
2009-6-3
9 .33
Contra Costa
East Bay.; El Sobrante Ridge at end of Silver Belt Dr. on Miocene chert outcrop.
Comment
JEPS22791
Lonicera involucrata var. ledebourii
Ira L. Wiggins
1930-4-18
4594
Contra Costa
levee at e end Jersey Island
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
UC1051339
Lophospermum erubescens
N. Floy Bracelin
1941-6-15
1389
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
SEINET3696754
Lotus denticulatus
Herbert L. Mason
1945-5-31
Contra Costa
Cashion Canyon, NW of St. Mary's College
Comment
CDA31161
Lotus micranthus
D. G. Kelch, Troy McGregor; Ed Biffin
2010-6-1
10 .22
Contra Costa
Mt. Diablo. Knobcone Point Rd.
Comment
UC555416
Lotus micranthus
H. L. Mason
1928-4-29
4428
Contra Costa
Sycamore Canyon, s slope of Mount Diablo Mount Diablo
Comment
UC1129128
Lotus scoparius
R. W. Lundh
1932-8-27
150
Contra Costa
1.5 mi w Cave Point; Mt. Diablo Quad.
487
Comment
UC69634
Lotus scoparius
Jos. Burtt Davy
1895-1
Contra Costa
Moraga Pass
Comment
CDA9199
Lotus wrangelianus
D. G. Kelch, D. A. Weinstein
2008-4-15
8 .047
Contra Costa
Carquinez Strait; S Port Costa along Mckewen Rd.
Comment
UC15709
Lotus wrangelianus
State Survey
1800-1
1166
Contra Costa
Mt. Diablo
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
UC126957
Lupinus affinis
A. V. Stubenranch
1892-5-9
Contra Costa
Fish Ranch Road
Comment
UC16053
Lupinus albifrons
J. Burtt Davy
1895-4-7
873
Contra Costa
Antioch
Comment
CAS-BOT-BC201365
Lupinus albifrons var. albifrons
James McMurphy
1909-5-20
s.n.
Contra Costa
Antioch
Comment
JEPS112355
Lupinus albifrons var. albifrons
Dean G. Kelch and Andrew G. Murdock
2004-3-12
04 .019
Contra Costa
Pinole Valley, County: Contra Costa; Hillside and canyon above Wright Road. Off of Pinole Valley Road. Contra Coasta County, CA.
Comment
UC692521
Lupinus albifrons var. albifrons
Mary L. Bowerman
1931-4-25
785
Contra Costa
between junction of one-way roads and top Meridian Peak summit (Mount Diablo); , Meridian Peak summit
1158
Comment
UC692573
Lupinus albifrons var. albifrons
Mary L. Bowerman
1931-4-5
676
Contra Costa
below Gregory Ranch Mount Diablo (Mt. Diablo)
Comment
CAS-BOT-BC201378
Lupinus albifrons var. albifrons
Charles Piper Smith
1947-11-10
47710
Contra Costa
Crow Creek Canyon Road - San Ramon. Field 0.9 miles southwest
Comment
RSA600828
Lupinus albifrons var. collinus
Joseph A. Ewan
1934-3-10
8645
Contra Costa
San Pablo Ridge: Wildcat Canyon; 2 miles below Orinda road bridge.. .
Comment
UC1999842
Lupinus arboreus
Charles M. Belshaw
1935-5-30
946
Contra Costa
Island route about 15 miles north of Antioch Bridge
Comment
UC1300886
Lupinus bicolor
Helen K. Sharsmith
1963-4-7
5292
Contra Costa
near Oakley (s of Antioch); , near Oakley
15
Comment
UC692568
Lupinus bicolor
Mary L. Bowerman
1931-3-21
600
Contra Costa
e end Rock City Ridge Mount Diablo (Fossil Ridge, Mount Diablo); , Rock City Ridge, Fossil Ridge
Comment
UCD107174
Lupinus bicolor
Morris Halperin
1929-4-21
s.n.
Contra Costa
St. Mary's College Campus.
Comment
UCD35142
Lupinus bicolor
Beecher Crampton
1952-2
498 a-d
Contra Costa
1 mile north of Richmond.
Comment
CAS-BOT-BC187857
Lupinus chamissonis
John Thomas Howell
1926-12-27
2272
Contra Costa
1.5 miles S of Oakley
Comment
CAS-BOT-BC187864
Lupinus chamissonis
D. E. Breedlove
1963-3-29
4281
Contra Costa
Sacramento River at Antioch
Comment
POM181434
Lupinus densiflorus var. aureus
Ira L. Higgins
1930-4-17
4568
Contra Costa
Hillsides near Mountain House, Altamont Pass.
Comment
CDA6113
Lupinus formosus
D. G. Kelch
2007-5-12
7 .289
Contra Costa
Carquinez Strait; Franklin Ridge, S of Hwy 4 at McEwen Rd.
Comment
UC1795881
Lupinus formosus
Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert
1996-5-16
14674
Contra Costa
Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; perennial grasslands on ridge.
Comment
UCR274616
Lupinus latifolius
Daisie Huang
2006-7-18
60718- 05
Contra Costa
Pinehurst Road above Moraga Road
156
Comment
UC201012
Lupinus microcarpus var. densiflorus
Katharine Brandegee
1918-6-16
Contra Costa
near Virgorit Powder Works; near Vigorit Powder Works
Comment
UC201013
Lupinus microcarpus var. densiflorus
Katharine Brandegee
1918-6-16
Contra Costa
near Virgorit Powder Works; near Vigorit Powder Works
Comment
UC201016
Lupinus microcarpus var. densiflorus
Katharine Brandegee
1918-6-16
Contra Costa
near Virgorit Powder Works; near Vigorit Powder Works
Comment
UC2027986
Lupinus microcarpus var. densiflorus
Barbara Ertter
1998-5-3
16034
Contra Costa
east side of Pine Ridge south of Wall Point Road, southwest flank of Mount Diablo.
Comment
UC201022
Lupinus microcarpus var. microcarpus
Katharine Brandegee
1918-6-19
Contra Costa
Richmond Annex; El Dorado St.
Comment
UC201023
Lupinus microcarpus var. microcarpus
Katharine Brandegee
June 1918
Contra Costa
El Dorado St. Richmond Annex (Richmond Annex); , El Dorado St.
Comment
UC201026
Lupinus microcarpus var. microcarpus
Katharine Brandegee
1918-6-16
Contra Costa
Richmond Annex
Comment
UC692572
Lupinus microcarpus var. microcarpus
Mary L. Bowerman
1931-4-4
657
Contra Costa
North Road 4.5 mi from North Gate Mount Diablo (bank above road); Mount Diablo
Comment
RSA0027702
Lupinus microcarpus var. microcarpus
Barbara Ertter, John Ginochio, Mary Bowerman
2001-5-8
17628
Contra Costa
Northwest flank of Mount Diablo, upper Galindo Creek southwest of Mount Zion.
Comment
SD103751
Lupinus microcarpus var. microcarpus
Walter Knight, Irja Knight
1979-5-6
3395
Contra Costa
Orinda, Camino del Diablo
Comment
UC2027831
Lupinus microcarpus var. microcarpus
Barbara Ertter with John Ginochio and Mary Bowerman
2001-5-8
17628
Contra Costa
Northwest flank of Mount Diablo, upper Galindo Creek southwest of Mount Zion.
Comment
UC126998
Lupinus nanus
J. Burtt Davy
1897-4-17
Contra Costa
Point Isabel
Comment
UCD109334
Lupinus pachylobus
A. A. Heller
1913-12-9
11150
Contra Costa
hills eight miles north of Oroville near the western base of Table mountain. The type was collected by Greene on the 'Briones Hills, east of San Pablo Creek, Contra Costa County, California.
Comment
SEINET10486145
Lupinus polycarpus
Frenkel
1964-3-27
FRENKEL 409
Contra Costa
On giant road, .4 mi n of atsf rr crossing, richmond.
15
Comment
JEPS100068
Lupinus succulentus
G. Smick
2003-5-1
GAS 158
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS75467
Lupinus succulentus
P. F. Yorks
1974-4-6
125
Contra Costa
on Hampton Road ca 1.7 km s Bear Creek Road (in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve, n of Briones Reservoir
180
Comment
UC1555370
Lupinus succulentus
Jerry Powell
1988-4-1
1529
Contra Costa
Point Molate Point Molate, West Richmond; West Richmond, Point Molate
Comment
UC606731
Luzula comosa
Edward Lee
1936-4-19
2000
Contra Costa
n side near summit Red Rock; San Francisco Bay, n side Red Rock
Comment
CDA9685
Lycopus americanus
D. G. Kelch
2002-7-15
2 .004
Contra Costa
CA Delta; Old San Joaquin River channel, E of Brentwood. San Joaquin County border.
0
Comment
OBI78277
Lythrum californicum
D. G. Kelch
1996-10-17
s.n.
Contra Costa
CA Dept. Food & Ag CDA; Carquinez Strait: Pt. Edith Marsh
1
Comment
RSA0014823
Lythrum californicum
David Gowen
2006-8-9
660
Contra Costa
Mount Diablo State Park at Lower Moses Rock Spring.
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
JEPS100179
Madia elegans
A. Langston
2003-7-9
AL 62
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC33221
Madia elegans
Jos. Burtt Davy
1895-1
Contra Costa
Moraga Pass
Comment
UC691550
Madia elegans
Mary L. Bowerman
1933-6-3
2240
Contra Costa
Ransom Point ridge Mount Diablo
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
UC1819036
Madia exigua
Barbara Ertter, Tony Morosco, Lynne Hosley
1995-5-29
14246
Contra Costa
South side Mount Diablo, Sloan Road between Curry Point and Curry Canyon, roadside in partial shade of oak forest on north-facing slope.
487
Comment
CDA34201
Madia gracilis
D. G. Kelch, D. A. Weinstein
2011-5-28
11 .54
Contra Costa
Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl.
Comment
JEPS100178
Madia gracilis
G. Smick
2003-4-22
GAS 142
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS111753
Madia gracilis
D. G. Kelch
2005-4-24
05 .163
Contra Costa
Franklin Canyon
60
Comment
OBI49199
Madia gracilis
Joseph Andorfer Ewan
1934-5-20
8931
Contra Costa
Russelmann Park N slope of Mt Diablo
Comment
UC725398
Madia radiata
A. A. Heller
1938-4-9
15015
Contra Costa
3 mi sw Antioch
Comment
UC89534
Madia radiata
M. K. Curran
May 1889
Contra Costa
Antioch
Comment
SEINET11601587
Madia radiata
K. Brandegee
1908-4-9
50
Contra Costa
Near Antioch
Comment
CAS-BOT-BC343586
Madia sativa
L. R. Abrams
1916-7-1
5734
Contra Costa
Martinez
Comment
CDA23595
Madia sativa
D. G. Kelch
2007-9-8
7 .568
Contra Costa
Carquinez Strait; Pinole Valley Park.
Comment
JEPS111681
Madia sativa
D. G. Kelch
2003-8-13
03 .136
Contra Costa
Pinole Creek
68
Comment
CAS-BOT-BC8183
Malacothamnus fasciculatus subsp. fasciculatus
Harvey Monroe Hall; F. M. Essig
1916-5-30
10131
Contra Costa
Mt. Diablo on the westerly side north of Pine Canyon
290
Comment
CAS-BOT-BC204089
Malacothamnus hallii
Lewis S. Rose
1954-6-29
54082
Contra Costa
Mt. Diablo 2 1/2 mi. n. of Turtle Rock
182
Comment
CAS-BOT-BC204097
Malacothamnus hallii
John Thomas Howell; T. H. Kearney
1950-7-5
26634
Contra Costa
On North Road, Mt. Diablo
259
Comment
SEINET5047666
Malacothamnus hallii
Unknown
1916-5-30
301
Contra Costa
Mt. Diablo, Contra Costa County, on the westerly side N of Pine Canon,
Comment
UC691437
Malacothrix clevelandii
Mary L. Bowerman
1933-4-26
1909
Contra Costa
Mount Diablo North Peak Ridge ese North Peak; Mount Diablo, North Peak ridge, ese of the peak
609
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
CAS-BOT-BC347392
Malacothrix floccifera
Alice Eastwood
1915-5-30
4516
Contra Costa
Mt. Diablo
Comment
RSA0004204
Malvastrum hallii
H. M. Hall, F. M. Essig
1916-5-30
10131
Contra Costa
Mt. Diablo, westerly side north of Pine Canon.
275
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
RSA22265
Malvella leprosa
L. S. Rose
1938-10-28
38310
Contra Costa
Byron
3
Comment
UC2028362
Malvella leprosa
Barbara Ertter with Tony Morosco
1998-7-11
16363
Contra Costa
North base of Mount Diablo, near small pond on north side of Bruce Lee Road east of Mitchell Canyon staging area
Comment
JEPS100091
Marah fabacea
G. Smick
2003-2-25
GAS 57
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC1122829
Marah fabacea
R. W. Lundh
1933-3-15
214
Contra Costa
Vaca Canyon Concord Quadrangle
Comment
UC2028576
Marah fabacea
Barbara Ertter with Stu Garrett
1997-3-29
15540
Contra Costa
West side Mount Diablo, north end of Mothers Trail.
Comment
UCSB9128
Marah fabacea
Kamb, Peter; Chisaki, Francia
1950-3-18
Contra Costa
Black Hills, S of Mt. Diablo, on south road to Mt. Diablo from Danville
365
Comment
CHSC46930
Marah oregana
R. A. Schlising
1964-4-2
2697
Contra Costa
Berkeley/Oakland Hills.
Comment
CHSC46931
Marah oregana
Robert A. Schlising
1962-7-7
2331
Contra Costa
Along Pinehurst Road.
Comment
CHSC46934
Marah oregana
Robert A. Schlising; Anna Eagle
1962-5-29
2282
Contra Costa
Roadside.
Comment
UC89519
Matricaria discoidea
T. S. Brandegee
May 1890
Contra Costa
Antioch
Comment
CHSC116603
Medicago polymorpha var. brevispina
Lowell Ahart; Josephine Guardino
2016-4-19
20763
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of LosVaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
JEPS99985
Melica californica
S. O'Neil
2003-5-8
SEO 31
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC1055813
Melica californica
Frank W. Gould
1941-4-20
1282
Contra Costa
near Richmond
Comment
UC1784152
Melica imperfecta
Virginia E. Long
1933-6-14
221 a
Contra Costa
Mount Diablo, on slope SE-E, along first west fork from Curry Creek trail
Comment
CAS-BOT-BC262507
Melica torreyana
Mary L. Bowerman
1933-5-9
2050
Contra Costa
Mount Diablo. Mountain House Canyon
670
Comment
RSA756399
Melica torreyana
Barbara Ertter, John Little
1989-4-2
8111
Contra Costa
Hillside park in El Cerrito, +/- undisturbed vegetation on steep west-facing slope
Comment
SEINET3383312
Melica torreyana
Barbara Ertter, John Little
1989-1
8111
Contra Costa
Hillside Park in El Cerrito, +/- undisturbed vegetation on steep W facing slope
Comment
UC1948968
Melica torreyana
William J. Ferlatte, L. Maynard Moe
1970-4-27
1228
Contra Costa
San Francisco Bay: Red Rock Island
Comment
UCD161481
Melica torreyana
A. A. Beettle
1941-3-28
1723
Contra Costa
near Orinda.
Comment
JEPS128777
Melilotus albus
Kevin Hintsa
1999-8-17
Contra Costa
Mount Diablo State Park, Pine Canyon in flats adjacent to willow forest.
Comment
UC1084410
Melilotus indicus
G. Thomas Robbins
1937-4-17
123
Contra Costa
slopes near Point Richmond
Comment
UC692281
Melilotus indicus
Mary L. Bowerman
1932-5-6
1418
Contra Costa
Mitchell Canyon floor Mount Diablo (roadside)
213
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
RSA0027699
Mentha aquatica
Barbara Ertter
1996-9-19
15292
Contra Costa
Antioch Marina. Edge of marsh near parking lot.
Comment
JEPS102899
Mentha spicata
Barbara Ertter with Mary Bowerman
1996-11-21
15394
Contra Costa
downstream from Mitchell Canyon trailhead Mount Diablo
182
Comment
UC691474
Mentha spicata
Mary L. Bowerman
1938-11-19
3733
Contra Costa
Mitchell Canyon Mount Diablo (by stream); , Mitchell Canyon
228
Comment
POM300997
Mentha spicata
Mary L. Bowerman
1938-11-19
3733
Contra Costa
Mitchell Canyon (at one of places where stream crosses road)
229
Comment
UC1789155
Mentha suaveolens
Barbara Ertter
1999-9-19
16847
Contra Costa
bank of Cerrito Creek at west end of Creekside Park, El Cerrito; local colony, flowers pale pink.
Comment
UC19565
Mentzelia affinis
J. Burtt Davy
1895-4-7
918
Contra Costa
Antioch
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
UC19612
Mentzelia micrantha
Edw. L. Greene
1892-6-24
Contra Costa
Mt. Diaiblo
Comment
UC672665
Mentzelia micrantha
H. L. Mason
1928-4-29
4435
Contra Costa
Mount Diablo, Sycamore Canyon
Comment
UC692627
Mentzelia micrantha
Mary L. Bowerman
1934-4-21
2534
Contra Costa
Muir Area Mount Diablo
Comment
UC692630
Mentzelia micrantha
Mary L. Bowerman
1930-6-10
306
Contra Costa
Mount Diablo, Meridian Peak summit
Comment
UCSC008283
Micropus amphibolus
Randall Morgan
1989-5-5
1587
Contra Costa
Mt. Diablo near mouth of Mitchell Canyon
Comment
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
JEPS40605
Micropus californicus var. californicus
R. F. Hoover
1936-4-16
972
Contra Costa
e slope Bald Peak
Comment
JEPS40631
Micropus californicus var. californicus
W. L. Jepson
1922-5-23
9664
Contra Costa
Mt. Diablo
Comment
UC1795832
Micropus californicus var. californicus
Barbara Ertter, Lisa Schultheis
1995-4-27
14003
Contra Costa
Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; northwest side of open grassy ridge at end of Arbolado Dr.
121
Comment
RSA72855A
Microseris bigelovii
A. Kellogg, W. G. W. Harford
1869-4-8
579
Contra Costa
Antiock [Antioch]
Comment
UC2028327
Microseris douglasii
Barbara Ertter with Richard K. Brummitt
1998-5-13
16138
Contra Costa
Black Diamond Mines Regional Preserve in hills south of Pittsburg, head of SE branch of Loughler Loop Trail.
Comment
CAS-BOT-BC348890
Microseris douglasii subsp. douglasii
Alice Eastwood
1914-3-14
3800
Contra Costa
Byron Springs
Comment
JEPS81843
Microseris douglasii subsp. douglasii
Rimo Bacigalupi with G. T. Robbins and Francia Chisaki
1959-4-14
7000
Contra Costa
along Lone Tree Way just e Antioch Airport (2 1/2 mi se of Antioch)
56
Comment
UC1070040
Microseris douglasii subsp. douglasii
C. M. Belshaw
1936-5-11
2094
Contra Costa
2 mi ene Danville; Mt. Diablo Quad.
243
Comment
UC691464
Microseris douglasii subsp. douglasii
Mary L. Bowerman
1933-5-4
1991
Contra Costa
Fossil Ridge crest Mount Diablo
Comment
CAS-BOT-BC348894
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 Road. (Deer Valley Road.) On e. side of Mount Diablo Range
Comment
UC1795723
Microseris douglasii subsp. douglasii
Barbara Ertter, Chris Thayer
1995-4-25
13984
Contra Costa
Southeast side of Mt. Diablo northeast of Danville; Sycamore Canyon trail from Knobcone Point Rd., open grassland.
457
Comment
JEPS14576
Microseris douglasii subsp. tenella
G. Thomas Robbins with Peter H. Raven
1956-4-28
3665
Contra Costa
just s El Cerrito city limits (along Arlington Ave at Kenilworth Dr); Berkeley Hills
213
Comment
UC768670
Microseris douglasii subsp. tenella
Robert F. Hoover
1939-4-25
4062
Contra Costa
Richmond Hills
Comment
UC92185
Microseris douglasii subsp. tenella
Katharine Brandegee
Contra Costa
Brentwood
Comment
JEPS18256
Microseris elegans
Peter H. Raven with Mason, Stone, Ornduff, Kuijt
1957-4-4
10580
Contra Costa
3.0 mi s Byron
Comment
POM53413
Microseris lindleyi
C. F. Baker
1903-4-28
2832
Contra Costa
Marsh Creek, Mount Diablo
Comment
CAS-BOT-BC322770
Microseris sylvatica
T. S. Brandegee
1884-5-1
s.n.
Contra Costa
Antioch
Comment
UC26958
Mimulus arvensis
Jos. Burtt Davy
1901-4-21
6929
Contra Costa
Wildcat Canyon
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
JEPS78822
Mimulus aurantiacus var. aurantiacus
Edward Lee
1936-5-24
2164
Contra Costa
10 mi from Marsh Creek Road; Morgan Territory
Comment
UC26691
Mimulus aurantiacus var. aurantiacus
Ivar Tidestrom
June 1895
Contra Costa
Crockett
Comment
UC943784
Mimulus aurantiacus var. aurantiacus
H. E. McMinn
1945-2-27
5455
Contra Costa
along road near base Mt. Diablo
Comment
UC691569
Mimulus douglasii
Mary L. Bowerman
1934-3-18
2483
Contra Costa
w Russelman Park (on edge of Donner Canyon); Mount Diablo
365
Comment
UC691570
Mimulus douglasii
Mary L. Bowerman
1932-2-28
1097
Contra Costa
w Blackberry Spring; Mount Diablo
609
Comment
UCD122684
Mimulus guttatus
Carole Lembi
1964-3-1
5
Contra Costa
Mt. Diablo Road, 5 miles from top of Mt. Diablo.
304
Comment
JEPS9268
Mimulus latidens
M. K. Curran
May 1886
Contra Costa
Antioch
Comment
SEINET3159684
Mimulus latidens
L. S. Rose
1940-4-11
40184
Contra Costa
3 miles W of Byron.
30
Comment
UC103726
Mimulus latidens
M. K. Curran
May 1886
Contra Costa
Antioch
Comment
UC27034
Mimulus latidens
W. H. Brewer
1862-5-26
1161
Contra Costa
near Mt. Diablo; ; near Mt. Diablo
Comment
UC27004
Mimulus nasutus
J. Burtt Davy
1893-5-13
214
Contra Costa
Claremont Canyon to Fish Ranch fide fieldbook
Comment
UC465577
Minuartia californica
Chesnut and Drew
1889-4-16
Contra Costa
Martinez
Comment
CAS-BOT-BC388586
Minuartia douglasii
Mary L. Bowerman
1935-4-22
2889
Contra Costa
Mount Diablo. Ridge west of Pioneer Road (west of Old Stage Road): Crest of ridge
Comment
RSA59589
Minuartia douglasii
Verne Grant, Alva Grant
1950-5-13
8897
Contra Costa
Saddle between N & Meridian peaks, Mt. Diablo.
Comment
CAS-BOT-BC384001
Mirabilis jalapa
D. E. Breedlove
1969-10-18
16711
Contra Costa
On Reliez Valley Road at the junction with Gloria Terrace; Lafayette
Comment
JEPS108214
Moehringia macrophylla
David Gowen
2005-4-25
266
Contra Costa
Mt. Diablo State Park. North Peak Trail, ca 1/4 mile south of Prospectors Gap.
Comment
UC2028337
Mollugo verticillata
Barbara Ertter
2005-8-18
18635
Contra Costa
Mudflats on SE side of San Pablo Reservoir in East Bay Hills, east of San Pablo Dam Road between San Pablo and Orinda, access between HQ and boat launching area [reservoir way down this year while being drained for seismic work on dam], with extensive Artemisia biennis.
Comment
UC2070470
Monardella douglasii
Barbara Ertter with John Ginochio
2002-6-1
17941
Contra Costa
Ginochio Ranch in Arroyo del Cerro on NW side of Mount Diablo, connector road between Government Road and Olofson Homestead.
Comment
CAS-BOT-BC220511
Monardella villosa
A. D. E. Elmer
1903-7-1
4658
Contra Costa
Port Costa
Comment
CAS-BOT-BC220513
Monardella villosa
Katharine Brandegee
1907-7-4
s.n.
Contra Costa
Martinez
Comment
CAS-BOT-BC220515
Monardella villosa
Mary L. Bowerman
1938-6-21
3689
Contra Costa
Mount Diablo
Comment
CHSC67994
Monardella villosa subsp. villosa
James D. Jokerst
1987-6-16
2915
Contra Costa
Livermore Valley, 0.3 mi W of Vasco Rd. and +/- 200 m SW of a dirt track.
Comment
UC691682
Monolopia gracilens
Mary L. Bowerman
1931-4-25
767
Contra Costa
roadside a little below summit Meridian Peak; Mount Diablo
Comment
UC691683
Monolopia gracilens
Mary L. Bowerman
1933-5-2
1946
Contra Costa
below Pioneer Camp; Mount Diablo
762
Comment
CAS-BOT-BC349610
Monolopia major
Ethel Crum
1936-4-6
1741
Contra Costa
Two miles west of Byron
45
Comment
CAS-BOT-BC349614
Monolopia major
Alice Eastwood
1914-3-14
3803
Contra Costa
Byron Springs
Comment
CAS-BOT-BC349620
Monolopia major
Sherwin Carlquist
1952-3-28
285
Contra Costa
7.2 miles west of Tracy
Comment Read comments Feb 9 2019
JEPS68951
Monolopia major
Edward Lee
1935-3-10
1280
Contra Costa
Donovan Road West watershed of Kirker Creek, Kirker Pass (se-facing hillside)
Comment
UC90420
Monolopia major
T. S. Brandegee
May 1891
Contra Costa
Antioch
Comment
SEINET11810308
Monolopia major
L. S. Rose
1932-1
3280
Contra Costa
Byron
Comment
CAS-BOT-BC444825
Montia fontana
Mary L. Bowerman
1939-3-31
3736
Contra Costa
Mount Diablo. Spring in bend of road to Barbecue Terrace (off South Road)
Comment
CAS-BOT-BC445038
Montia linearis
John Thomas Howell
1933-5-14
11226
Contra Costa
St. Mary's College
Comment
CAS-BOT-BC83284
Myosurus minimus
M. K. Curran
1884-1-1
s.n.
Contra Costa
Near Antioch.
Comment
UC1738118
Myosurus minimus subsp. apus
D. E. Stone
1955-8-29
8 -8
Contra Costa
3 mi S of Byron (on the road to Herdlyn)
Comment
UC1101329
Myosurus sessilis
Herbert L. Mason
1952-4-26
14272
Contra Costa
3.5 mi s of Byron
Comment
UC1738120
Myosurus sessilis
D. E. Stone
1956-5-25
8 -31
Contra Costa
3 mi S of Byron ( on road to Herdlyn)
Comment
UC1738121
Myosurus sessilis
D. E. Stone
1955-8-29
8 -31
Contra Costa
3 mi S of Byron (on road to Herdlyn)
Comment
UC1738122
Myosurus sessilis
D. E. Stone
1955-8-26
8 -24
Contra Costa
on the road to Herdlyn, 3 mi S of Byron
Comment
POM312427
Myosurus sessilis
H. L. Mason
1952-4-26
14269
Contra Costa
Vernal Pool, 3.5 miles S of Byron
Comment
OBI72036
Najas guadalupensis
Barbara Ertter, Brad Olson
1991-9-28
10838
Contra Costa
San Pablo Reservoir between Orinda and El Sobrante
91
Comment
RSA755539
Najas guadalupensis
Barbara Ertter, Brad Olson
1991-9-28
10838
Contra Costa
San Pablo Reservoir between Orinda and El Sobrante
91
Comment
UC2028279
Narcissus pseudonarcissus
Barbara Ertter with Laura Fujii
1999-3-7
16485
Contra Costa
Wildcat Canyon Regional Park in East Bay Hills, near Alvarado Staging area at NW end of park, along hiking road.
Comment
JEPS102897
Narcissus tazetta
Barbara Ertter
1998-1-25
15910
Contra Costa
Back Canyon Road at crossroad S of Donner Canyon trailhead Mount Diablo
Comment
JEPS102918
Narcissus tazetta
Barbara Ertter
1998-1-25
15910
Contra Costa
so of Donner Canyon trailhead (Back Canyon Rd.); Mount Diablo
Comment
UC692413
Nassella lepida
Mary L. Bowerman
1932-4-27
1387
Contra Costa
canyon w Riggs Canyon (w exposure, s face of mt); Mount Diablo, Oyster Ridge
335
Comment
POM301847
Nassella lepida
Mary L. Bowerman
1935-5-1
2936
Contra Costa
North Road 2 mi from North Gate
Comment
CDA29507
Nassella pulchra
D. G. Kelch, Troy MacGregor
2009-5-1
9 .278
Contra Costa
Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension.
Comment
UC692412
Nassella pulchra
M. L. Bowerman
1935-4-26
2902
Contra Costa
Indian Ceremonial Spring, W of Mount Diablo
1021
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
UCD87465
Nassella pulchra
Beecher Crampton
1956-5-14
3403
Contra Costa
Southeastern Mount Diablo, headwaters of Marsh Creek.
640
Comment
UC2013027
Navarretia mellita
Barbara Ertter with Travis Columbus
1990-6-10
9100
Contra Costa
NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill; trail heading down ridge on N side of Briones Peak.
Comment
POM65685
Navarretia nigelliformis
Katherine Brandegee
1907-6-16
s.n.
Contra Costa
Near Antioch
Comment
UC691764
Navarretia pubescens
Mary L. Bowerman
1932-11-19
1652
Contra Costa
Pioneer Camp Mount Diablo
Comment
JEPS112005
Navarretia squarrosa
D. G. Kelch
2005-5-1
05 .191
Contra Costa
Crockett - Edwards Canyon
150
Comment
UCD48667
Navarretia squarrosa
B. Crampton
1950-9-22
621
Contra Costa
Found in a large stand, vacant lot 1 mile North of Richmond, Contra Costa Co., Calif.
Comment
SBBG29926
Nemophila heterophylla
J. T. Howell
1933-5-14
12218
Contra Costa
E of St. Mary's College
Comment
UC1069147
Nemophila heterophylla
H. S. Yates
1936-3-14
5359
Contra Costa
Marsh Creek Mount Diablo Quad., Marsh Creek
Comment
UC517550
Nemophila heterophylla
John Thomas Howell
1926-3-7
1659
Contra Costa
Mt. Diablo near toll gate Mt. Diablo
Comment
UC606890
Nemophila heterophylla
L. Constance
1938-3-22
2031
Contra Costa
edge Wildcat Canyon n slope Berkeley Hills, edge Wildcat Canyon (n slope of the Berkeley Hills)
365
Comment
UC67125
Nemophila heterophylla
Harley P. Chandler
1901-4-5
948
Contra Costa
Pine Canyon , Pine Canyon (Mt. Diablo)
Comment
UC67126
Nemophila heterophylla
Harley P. Chandler
1901-4-5
985
Contra Costa
summit 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
POM249049
Nemophila heterophylla
Lincoln Constance, J. H. Morrison
1938-5-5
2190
Contra Costa
Above Deer Flat near head of Mitchell Canyon, NW slope of Mt Diablo.
671
Comment
UC1818976
Nemophila heterophylla
Barbara Ertter
1996-3-30
14561
Contra Costa
Albany Hill, northwest corner above ball courts, edge of steep informal path, partial shade of eucalyptus.
Comment
UC24234
Nemophila menziesii
J. Burtt Davy
1895-4-7
875
Contra Costa
Antioch
Comment
UC480617
Nemophila menziesii
Carl Meyer
1928-2-22
284
Contra Costa
Mt. Diablo
Comment
UC67148
Nemophila menziesii
Harley P. Chandler
1901-4-5
970
Contra Costa
Mt. Diablo
Comment
SD143516
Nemophila menziesii
W. J. Dress
1951-5-17
3064
Contra Costa
Open hillside west of Orinda.
Comment
CAS-BOT-BC515974
Nemophila parviflora var. parviflora
Barrett Anderson
1987-4-30
3498
Contra Costa
Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD
125
Comment
UC592126
Nemophila pedunculata
H. L. Mason
1932-3-20
6841
Contra Costa
Antioch sand hills
Comment
UC691710
Nemophila pedunculata
Mary L. Bowerman
1935-3-16
2731
Contra Costa
Arroyo del Cerro Mount Diablo, Arroyo del Cerro (e fork, Mount Diablo)
228
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
POM300990
Nicotiana bigelovii
Mary L. Bowerman
1936-6-20
3416
Contra Costa
Ridge west of Mount Zion, west side.
213
Comment
CAS-BOT-BC233455
Nicotiana glauca
Ira L. Wiggins
1930-4-18
4604
Contra Costa
East end of Jersey Island
Comment
POM181437
Nicotiana glauca
I. L. Wiggins
1930-4-18
4604
Contra Costa
East end of Jersey Island.
Comment
UC691506
Nicotiana quadrivalvis
Mary L. Bowerman
1936-6-20
3416
Contra Costa
ridge w Mount Zion (w side of ridge, road bending up canyon to south); Mount Diablo
213
Comment
UC691632
Nuttallanthus texanus
Mary L. Bowerman
1938-6-2
3653
Contra Costa
Mount Diablo, Dan Cook Canyon, 100 yards n of camp (C.C.C.) Dan Cook Canyon; Mount Diablo, Dan Cook Canyon
Comment
UC1128080
Oemleria cerasiformis
R. W. Lundh
1933-4-2
226
Contra Costa
San Francisco Quad.
Comment
CDA38166
Oenothera deltoides subsp. cognata
Harry Spanglet
2008-7-1
s.n.
Contra Costa
West side of Emerson Ranch (Emerson Tract?), nr. Oakley, part of DWR s Dutch Slough Restoration Project.
0
Comment
CAS-BOT-BC171590
Oenothera deltoides subsp. howellii
J. H. Thomas
1949-4-19
314
Contra Costa
Antioch sand dunes.
Comment
CAS-BOT-BC171594
Oenothera deltoides subsp. howellii
K. Brandegee
s.n.
Contra Costa
Antioch
Comment
RSA41319
Oenothera deltoides subsp. howellii
Robert F. Hoover
1937-5-14
2112
Contra Costa
Antioch sand-dunes
Comment
CDA38152
Oenothera deltoides subsp. howellii
T. C. Fuller
1961-7-6
7369
Contra Costa
East of road, south end of Antioch bridge, Antioch.
0
Comment
CDA38153
Oenothera deltoides subsp. howellii
F. J. Brucato
1962-5-1
s.n.
Contra Costa
Antioch; Wilbur Ave.
0
Comment
UC1584816
Oenothera elata subsp. hookeri
Jerry Powell
1990-8-29
1590
Contra Costa
Antioch National Wildlife Refuge
Comment
RSA0056393
Oenothera hirtella
Jim Shevock
1971-4-7
915
Contra Costa
Mount Diablo State Park.
548
Comment
UCD40945
Oenothera laciniata
Ron Unger
2004-3-30
s.n.
Contra Costa
Emerson parcel near Marsh Creek, just south of Big Break (flooded island) and Jersey Island area. North of town of Oakley and east of town of Antioch and 1 mile southwest of Dutch Slough.
Comment
SDSU8854
Oenothera ovata
J. Godsil
1952-4-8
158
Contra Costa
El Sobrante, hills toward Pinole.
Comment
UC2028003
Olea europaea
Barbara Ertter with Amy Rusev
1998-1-17
15902
Contra Costa
Edge of Lime Ridge Open Space at NW foot of Mount Diablo, around former quarry [subsequently developed] on south side of Ygnacio Valley Road.
Comment
JEPS122909
Orobanche bulbosa
Adam C. Schneider
2015-5-22
936
Contra Costa
Eagle Peak Trail of Mt. Diablo State Park.
Comment
UC27890
Orobanche bulbosa
Kellogg
Contra Costa
Mt. Diablo
Comment
JEPS10855
Orobanche fasciculata
W. L. Jepson
1918-6-5
7618
Contra Costa
Mount Diablo. North peak.
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
POM300994
Orthocarpus attenuatus
Mary L. Bowerman
1933-5-11
2084
Contra Costa
Inner Black Hills, west end (east of the meridian).
Comment
RSA516599
Orthocarpus densiflorus
R. C. Bacigalupi
1956-5-11
5640
Contra Costa
Between State Hwy 4 and (Franklin Canyon Rd) Santa Fe Ry.[RR] right-of-way, 1/4 mile E of jct of this road with US 40, 1.3 miles E of Pinole.
23
Comment
POM181461
Orthocarpus erianthus
I. L. Wiggins
1930-4-17
4571
Contra Costa
1/4 mi. S. of Byron.
Comment
SEINET10549673
Orthocarpus erianthus
John T. Middleton
1936-4-24
Middleton 95 D
Contra Costa
Deer valley.
Comment
POM15629
Orthocarpus pusillus
H. P. Chandler
1901-4-5
945
Contra Costa
Mt. Diablo
Comment
UC2062643
Osmorhiza berteroi
Barbara Ertter with Mike Park, David Gowen, and Victoria Seidman
2004-4-26
18370
Contra Costa
Curry Canyon between Alder Creek and Rhine Canyon, south side of Mount Diablo.
Comment
JEPS99556
Osmorhiza chilensis
Mary L. Bowerman
1975-6-7
Contra Costa
Mount Diablo, Big Spring
Comment
HSC16707
Oxalis oregana
D. A. Shally
1965-4-18
37
Contra Costa
Canyon 1 mi. N of Canyon Store
Comment
UC2070525
Oxalis pes-caprae
Barbara Ertter with Linda Vorobik
2002-4-6
17818
Contra Costa
South flank of Mount Diablo, Sycamore Canyon at Devils Slide.
Comment
UC1070121
Packera breweri
C. M. Belshaw
1936-5-15
2129
Contra Costa
Stewartsville Mt. Diablo Quad.
228
Comment
UC691357
Packera breweri
Mary L. Bowerman
1932-5-6
1427
Contra Costa
Mitchell Canyon Mount Diablo
251
Comment
UCD150909
Panicum capillare
James A. Neilson Jr.
1972-10-22
3506
Contra Costa
Walnut Creek drainage at State Highway 4. Elevation estimated using Google Earth by label maker.
1
Comment
UC2028445
Panicum dichotomiflorum
Barbara Ertter with Chris Thayer
1996-10-25
15377
Contra Costa
West side of Mount Diablo, North Gate Road 3 road miles below junction, near Mineral Spring
Comment
UCD89586
Panicum dichotomiflorum
Beecher Crampton
1965-9-29
7525
Contra Costa
5 miles S of Brentwood, Vasco Road and Camino Vaqueros.
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
CDA2133
Paspalum dilatatum
D. G. Kelch, A. G. Murdock
2003-8-13
3 .112
Contra Costa
Carquinez Strait Region; Martinez Marsh.
Comment
JEPS100036
Paspalum dilatatum
S. O'Neil
2003-9-16
SEO 46
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
CAS-BOT-BC259723
Paspalum distichum
John Thomas Howell; Gordon H. True
1972-6-29
48941
Contra Costa
Along Byron Hot Springs Road, SE of Byron
Comment
UC2028559
Paspalum distichum
Barbara Ertter with Chris Thayer
1996-10-25
15366
Contra Costa
Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothill Regional Park.
Comment
UCD88942
Paspalum distichum
E. K. Stillwell
1967-7-17
s.n.
Contra Costa
Brentwood.
Comment
CDA5088
Passiflora tarminiana
Barbara Ertter
1999-9-17
16846
Contra Costa
South edge of El Cerrito at northeast base of Albany Hill, edge of paved lot at southwest corner of junction San Pablo Avenue and Carlson Avenue, near Cerrito Creek.
0
Comment
JEPS68227
Pectocarya pusilla
Mary L. Bowerman
1933-5-8
2019
Contra Costa
near crest (n side, by rd to camp ground); Rock City Ridge
Comment
JEPS87902
Pectocarya pusilla
Barbara Ertter, Lynne Hosley
1993-4-17
11508
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); Morgan Territory
609
Comment
CDA41866
Pedicularis densiflora
D. G. Kelch, A. G. Murdock
2003-3-21
3 .041
Contra Costa
Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive.
Comment
JEPS10363
Pedicularis densiflora
W. L. Jepson
1922-5-23
9665 a
Contra Costa
Mount Diablo
Comment
UCD123333
Pedicularis densiflora
Collector unknown
1932-2-1
Contra Costa
Mt. Diablo.
609
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
JEPS106989
Pellaea andromedifolia
J. Greenhouse with Kevin Hintsa
2004-4-5
5087
Contra Costa
Mt. Diablo, Fire Interpretive Trail, Devil's Pulpit
1088
Comment
UC1874923
Pellaea andromedifolia
Ruth Kirkpatrick
2003-3-1
1141
Contra Costa
Mount Diablo
396
Comment
RSA686984
Pellaea mucronata
Mark Morris
1929-03
14909
Contra Costa
Mount Diablo, Contra Costa
Comment
JEPS4477
Penstemon centranthifolius
G. Thomas Robbins
1940-5-19
324
Contra Costa
e Antioch; bordering San Joaquin River e of Antioch
Comment
UC566668
Penstemon centranthifolius
H. L. Mason
1929-3-31
5156
Contra Costa
sand dike along San Joaquin River (Antioch); sand dike along San Joaquin River, Antioch
Comment
RSA101693
Penstemon centranthifolius
H. L. Mason
1929-3-31
5156
Contra Costa
Along San Joaquin River, Antioch.
Comment
SEINET12320780
Penstemon centranthifolius
Unknown
1980-1
3879
Contra Costa
Lime Ridge, N end, S of Ygnacio Valley Rd between Walnut Creek & Concord
Comment
UC2070585
Penstemon centranthifolius
Barbara Ertter with Steve Matson
2003-3-15
18104
Contra Costa
Black Diamond Mines Regional Preserve, SW side of Rose Hill.
Comment
UC1051325
Penstemon hartwegii
N. Floy Bracelin
1941-6-15
1402
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
JEPS7555
Penstemon heterophyllus var. heterophyllus
Mary L. Bowerman
1935-6-15
3132
Contra Costa
Flat (first bottom) where stream forks Mount Diablo, Mitchell Creek, Flat (first bottom) (Mitchell Creek, Mount Diablo)
640
Comment
NY601704
Penstemon heterophyllus var. heterophyllus
W. L. Jepson
1921-6-16
9315
Contra Costa
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
UC691801
Pentachaeta alsinoides
Mary L. Bowerman
1931-4-11
687
Contra Costa
Pine Canyon Mount Diablo
121
Comment
JEPS116801
Pentachaeta alsinoides
David Gowen, Barbara Ertter
2006-6-6
598
Contra Costa
Near Upper San Leandro Reservoir at the NE end, on dirt road/trail (Rocky Ridge Trail?).
Comment
UC672242
Pentachaeta alsinoides
Herbert L. Mason
1932-4-15
6925
Contra Costa
summit road from Moraga to Lafayette
Comment
CHSC21633
Pentagramma triangularis
Willis Ball
1975-3-9
490
Contra Costa
In area #8. Ca. 560 yds sw of main parking lot ca. 800 yds w of Contra Loma Blvd.
137
Comment
UC1354307
Perideridia californica
T. I. Chuang, L. R. Heckard and R. Bacigalupi
1968-4-27
6437
Contra Costa
Deer Flat Mt. Diablo
Comment
JEPS111618
Perideridia kelloggii
D. G. Kelch
2004-7-9
04 .296
Contra Costa
Crockett - Carquinez Scenic Drive Carq. Scenic Dr. East of Crockett West of Bull Valley SA
60
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
UC691810
Perideridia oregana
Mary L. Bowerman
1930-8-31
447 a
Contra Costa
Dan Cook Canyon Mount Diablo (open area at head (C.C.C. camp built there later))
Comment
CAS-BOT-BC413780
Persicaria lapathifolia
Walter Knight
1978-8-27
3166
Contra Costa
Contra Loma Regional Park
30
Comment
UCD99472
Persicaria lapathifolia
Morris Halperin
1930-5-20
s.n.
Contra Costa
Near Antioch.
Comment
CHSC39484
Phacelia
Tyler Williams
1984-4-18
20
Contra Costa
Mt. Diablo. Upper site at Rocky Point Picnic Area on Summit Rd. in Mt. Diablo State Park.
670
Comment
POM59588
Phacelia breweri
Verne Grant, Alva Grant
1950-5-13
8899
Contra Costa
South slope of Meridian Peak at junction of road and North Peak Trail, Mt. Diablo.
Comment
UC691688
Phacelia breweri
Mary L. Bowerman
1932-4-16
1341
Contra Costa
Eagle Point Mount Diablo (n side)
670
Comment
UC880994
Phacelia breweri
H. M. Evans
1921-4-30
Contra Costa
Mt. Diablo
Comment
RSA75338
Phacelia breweri
Mary L. Bowerman
1932-4-16
1341
Contra Costa
Rocky bank, Eagle Point.
671
Comment
JEPS41060
Phacelia californica
Rimo Bacigalupi and L. R. Heckard
1965-5-11
9085
Contra Costa
in bay sw Richmond; San Francisco Bay, Brooks Island
30
Comment
UC1228237
Phacelia californica
Beecher Crampton
1950-4-22
533
Contra Costa
along state hwy 4 in pass between Concord Valley and Pittsburg (steep hillside in roadcut)
Comment
UC762369
Phacelia californica
R. F. Hoover
1938-3-8
2821
Contra Costa
Berkeley Country Club (=Mira Vista C.C.) El Cerrito
Comment
UC2022567
Phacelia ciliata
Lewis S. Rose
1932-3-15
3281
Contra Costa
Byron
Comment
JEPS18324
Phacelia ciliata var. ciliata
Rimo Bacigalupi with F. Chisaki
1957-3-27
5760
Contra Costa
field along Newby rd 0.1 mi nw crossing with Empire Ave. (road) (about 2 mi sw of Oakley)
24
Comment
JEPS18382
Phacelia ciliata var. ciliata
Rimo Bacigalupi with F. Chisaki
1957-3-27
5762
Contra Costa
at jnct. of Lone Tree Way and Hillcrest Ave. (road) (about 1/2 mi w of Lone Tree School, 3 1/2 mi se of Antioch)
39
Comment
JEPS111829
Phacelia distans
D. G. Kelch
2005-4-15
05 .141
Contra Costa
Rodeo Creek EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump)
100
Comment
UC672416
Phacelia distans
Herbert L. Mason
1928-4-29
4422
Contra Costa
Sycamore Canyon Mount Diablo
Comment
UC672426
Phacelia distans
Herbert L. Mason
1929-3-29
5122
Contra Costa
Mount Diablo
762
Comment
UC727775
Phacelia distans
Milo S. Baker
1946-4-20
11333
Contra Costa
summit of hwy s Clayton
Comment
CDA381
Phacelia imbricata
D. G. Kelch
2007-6-3
7 .432
Contra Costa
East Bay; Along gated portion of Hampton Rd N of San Pablo Reservoir.
Comment
UC691694
Phacelia nemoralis subsp. nemoralis
Mary L. Bowerman
1936-5-6
3410
Contra Costa
Mitchell Canyon Mount Diablo (by road)
228
Comment
LA205630
Phacelia perityloides
H. M. Hall; F. M. Essig
1916-5-31
10135
Contra Costa
Mt. Diablo
347
Comment Read comments Mar 29 2015
JEPS1104
Phacelia phacelioides
Mary L. Bowerman
1930-6-7
285
Contra Costa
Meridian Peak summit Mount Diablo
Comment
POM118166
Phacelia phacelioides
H. M. Hall, Essig
1916-5-31
10135
Contra Costa
Mount Diablo
1140
Comment
POM300985
Phacelia phacelioides
Mary L. Bowerman
1935-5-8
2974
Contra Costa
Muir Area.
1006
Comment
POM310991
Phacelia phacelioides
Lincoln Constance, C. W. Sharsmith, H. S. Reed
1940-4-27
2574
Contra Costa
North of Juniper Camp, Mount Diablo
762
Comment
SFV3029
Phacelia phacelioides
L. Constance, C. W. Sharsmith, H. S. Reed
1940-4-27
2574
Contra Costa
North Coast Ranges Mount Diablo, north of Juniper Camp.
762
Comment
UC198955
Phacelia phacelioides
H. M. Hall and F. M. Essig
1916-5-31
10135
Contra Costa
on embankments along a new road Mount Diablo
1140
Comment
UC24325
Phacelia phacelioides
Edw. L. Greene
1890-6-20
Contra Costa
Mt. Diablo
Comment
UC691579
Phacelia phacelioides
Mary L. Bowerman
1935-5-8
2974
Contra Costa
Muir Area Mount Diablo
1005
Comment
SEINET5506855
Phacelia phacelioides
L. Constance, C. W. Sharsmith
1940-4-27
2574
Contra Costa
Mount Diablo, north of Juniper Camp
762
Comment
CHSC69643
Phacelia tanacetifolia
James D. Jokerst
1989-3-31
3079
Contra Costa
Steep mesic hillside with fluffy clay soil E of creek in Brushy Creek Canyon.
Comment
JEPS68952
Phacelia tanacetifolia
Edward Lee
1935-3-10
1281
Contra Costa
Kirker Pass, Donovan Rd. (w. watershed of Kirker Creek)
Comment
SEINET3558886
Phacelia tanacetifolia
Lewis S. Rose
1933-4-17
33091
Contra Costa
Antioch.
Comment
UC881269
Phacelia tanacetifolia
Alice Eastwood
1914-3-14
3804
Contra Costa
Byron Springs
Comment
UC881270
Phacelia tanacetifolia
Alice Eastwood
1915-5-30
4508
Contra Costa
Mt. Diablo
Comment
JEPS108346
Phacelia tanacetifolia
David Gowen
2005-3-26
216
Contra Costa
Mt. Diablo State Park. Junction of dirt road to Deer Flat and dirt road to Moses Rock. Growing at the base of large rock pile.
304
Comment
UCD88527
Phalaris arundinacea
Malcolm A. Nobs; S. Galen Smith
1949-7-8
945
Contra Costa
Otto's Black Bass Resort, 4 miles N of Kingston.
Comment
SACT001701
Phalaris arundinacea
Malcolm Nobs, S. Smith
1949-7-8
Contra Costa
4 miles north of Kingston
Comment
SEINET7296998
Phalaris arundinacea
Malcolm A. Nobs, S. Galen Smith
1949-1
945
Contra Costa
Otto's Black Bass Resort, 4 miles north of Kingston.
Comment
RSA0029052
Phalaris coerulescens
Barbara Ertter
1999-6-12
16713
Contra Costa
Black Hawk Ridge road on south side of Mount Diablo, just south of confluence of NE and E forks of Sycamore.
Comment
UC650564
Phalaris lemmonii
Ira L. Wiggins
1930-4-17
4583
Contra Costa
1/4 mi s Byron
Comment
JEPS72970
Phalaris paradoxa
W. L. Jepson
1940-6-5
19937
Contra Costa
Richmond
Comment
UC1818923
Phalaris paradoxa
Barbara Ertter, Mary Bowerman
1995-6-11
14251
Contra Costa
Shell Ridge Recreation Area southeast of Walnut Creek, at west base Mt. Diablo.; annual grassland near Indian Valley School entrance, clay soil (planted Clarkia also present).
91
Comment
JEPS99989
Phlox gracilis
G. Smick
2003-3-25
GAS 80
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC52449
Phlox gracilis
H. M. Hall
1901-3-22
1685
Contra Costa
Port Costa San Francisco Bay Region
Comment
JEPS18381
Pholistoma membranaceum
Rimo Bacigalupi with F. Chisaki
1957-3-27
5763
Contra Costa
opposite John Marsh Historical Home (along Marsh Creek Rd.)
48
Comment
CDA23776
Phoradendron macrophyllum
D. G. Kelch
2007-10-6
7 .633
Contra Costa
Carquinez Strait; Fernandez Ranch. Muir Land Trust Property 4.5 km W of Rodeo.
Comment
JEPS87901
Phoradendron villosum
Barbara Ertter, Lynne Hosley
1992-8-29
11264
Contra Costa
e Mt. Diablo (Morgan Territory Regional Preserve, along Condor Trail); Morgan Territory Regional Preserve
Comment
CAS-BOT-BC260888
Phragmites australis
A. D. E. Elmer
1903-7-1
4541
Contra Costa
Martinez
Comment
CAS-BOT-BC260889
Phragmites australis
A. D. E. Elmer
1903-7-1
4541
Contra Costa
Martinez
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
POM181424
Phragmites australis
I. L. Wiggins
1930-4-18
4588
Contra Costa
Jersey Island
Comment
UC311199
Phragmites australis
A. D. E. Elmer
July 1903
4541
Contra Costa
Martinez
Comment
UCD163491
Phragmites australis
D. Slakey; CNPS Volunteers
2015-9-12
224
Contra Costa
Northern edge of Browns Island, at entrance to Crooked Slough. Plants infected with pests; TJM 2
0
Comment
CDA9279
Phragmites australis
D. G. Kelch
2002-7-15
2 .007
Contra Costa
CA Delta; Old San Joaquin River channel, E of Brentwood. San Joaquin County border.
0
Comment
UC1051055
Phygelius capensis
N. Floy Bracelin
1942-12-6
2333
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
CDA2311
Phyllostachys aurea
Barbara Ertter
2001-5-26
17652
Contra Costa
Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch.
0
Comment
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
JEPS47895
Pinus attenuata
W. L. Jepson
1923-4-22
9876
Contra Costa
Mt. Diablo Mt. Diablo (rocky ridge in chaparral)
Comment
JEPS47899
Pinus attenuata
W. L. Jepson
1909-9-1
Contra Costa
Mortaga Ridge
Comment Read comments Aug 18 2011
RSA32648
Pinus coulteri
C. B. Wolf, Allen L. Chickering, H. L. Mason
1943-2-28
11442
Contra Costa
1 mile SW of the old coal mining settlement of Nortonville at the Northern base of Mt. Diablo hills.
305
Comment
UC1051353
Pinus coulteri
N. Floy Bracelin
1941-12-29
1835
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
UC1076351
Pinus coulteri
Herbert L. Mason
1929-10-8
5480
Contra Costa
Nortonville
Comment
UC1061678
Pinus muricata
N. Floy Bracelin
1941-10-19
1713
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC1051348
Pinus radiata
N. Floy Bracelin
1941-12-29
1833
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
CAS-BOT-BC72778
Pinus sabiniana
Le Roy Abrams
1910-10-8
4350
Contra Costa
Mt. Diablo
853
Comment
UC1076352
Pinus sabiniana
Herbert L. Mason
1929-10-8
5481
Contra Costa
Nortonville
Comment
UC691928
Pinus sabiniana
Mary L. Bowerman
1931-2-8
516
Contra Costa
by roadside around bend from (below) Silver Spring; Mount Diablo
Comment
SEINET3875083
Pinus sabiniana
Dusty Mengshol
1963-3-17
25
Contra Costa
3/4 mile from top, Summit Trail, Mt. Diablo.; 0
1006
Comment
JEPS84499
Piperia elegans
Jack Stratford
1980-8-6
Contra Costa
Huckleberry Trail Huckleberry Botanic Regional Preserve
Comment
UC691267
Piperia unalascensis
Mary L. Bowerman
1931-5-2
789
Contra Costa
n end Eagle Point ridge; Mount Diablo
Comment
UC2032806
Pittosporum crassifolium
Doran, Andrew Scott
2012-3-20
676
Contra Costa
Brooks island loading dock, North side of island.
Comment
CHSC116600
Plagiobothrys
Lowell Ahart; Josephine Guardino
2016-4-19
20770
Contra Costa
Undesignated section of Canada de Los Vaqueross 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
JEPS90088
Plagiobothrys acanthocarpus
Dean W. Taylor
1992-4-16
12390
Contra Costa
s. Byron Hot Springs (in swale draining in e. margins of coordinates); San Joaquin Valley, Clifton Court Forebay 7 1/2 USGS map
45
Comment
UC1618199
Plagiobothrys acanthocarpus
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8133
Contra Costa
ca. 15 air mi. s.w. Stockton (alkali sink w. and adjacent to Clifton Court Forebay); s.e. Contra Costa Co.
Comment
UC691334
Plagiobothrys bracteatus
Mary L. Bowerman
1933-3-18
1755
Contra Costa
Hidden Pond Mount Diablo
Comment
RSA0027645
Plagiobothrys bracteatus
Barbara Ertter
1998-5-3
16058
Contra Costa
Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo.
274
Comment
UC2027919
Plagiobothrys bracteatus
Barbara Ertter, Dan Norris
2001-4-15
17614
Contra Costa
West side Mount Diablo, east end Stonegate Trail.
Comment
POM204086
Plagiobothrys canescens
L. S. Rose
1933-3-29
33046
Contra Costa
Pittsburg
Comment
SEINET12275845
Plagiobothrys canescens
L. S. Rose
1933-1
33046
Contra Costa
Pittsburg
Comment
JEPS111828
Plagiobothrys fulvus
D. G. Kelch
2005-4-24
05 .172
Contra Costa
Franklin Canyon Franklin Canyon, Contra Costa County, CA. Collier Hill. West Carbon
60
Comment
UC78156
Plagiobothrys humistratus
M. K. Curran
1884-1
Contra Costa
Antioch; ; Contra Costa Co.
Comment
JEPS68066
Plagiobothrys nothofulvus
W. L. Jepson
1887-4-12
21155
Contra Costa
Moraga Moraga Valley
Comment
UC1069046
Plagiobothrys nothofulvus
R. C. Wilson
1935-3-29
161
Contra Costa
1/2 mi w Deer Flat; Mt. Diablo Quadrangle
Comment
UCSB39472
Plagiobothrys nothofulvus
Fritzke, Sue
1980-3-29
Contra Costa
0.5 miles from the N end of Ball Rd.; in Shell Ridge Open Space Area; SE of the rock quarry
121
Comment
SEINET12275872
Plagiobothrys scouleri
H. M. Hall
1901-1
s.n.
Contra Costa
region of San Francisco Bay, Mt. Diablo, western base
Comment
JEPS102297
Plagiobothrys stipitatus
Jeff Greenhouse and Mary Ann Showers
2002-5-29
Contra Costa
Dublin area, slated for development
Comment Read comments Nov 10 2013
CHSC67896
Plagiobothrys stipitatus var. micranthus
James D. Jokerst
1989-3-29
3071
Contra Costa
Byron Hot Springs area NE of Livermore, adjacent to pipeline on terrace S of ephemeral creek.
Comment
JEPS127669
Plagiobothrys stipitatus var. micranthus
Barbara Ertter with David Gowen and Michael Park
2017-5-2
22799
Contra Costa
West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road.
Comment
OBI20600
Plagiobothrys stipitatus var. micranthus
Robert F. Hoover
1967-4-28
10513
Contra Costa
Byron Hot Springs
Comment
UC1618195
Plagiobothrys stipitatus var. micranthus
Barbara Ertter with Jim Jokerst and Dave Magney
1989-4-5
8126
Contra Costa
ca. 15 air miles s.w. Stockton (alkali sink w. and adjacent to Clifton Court Forebay); s.e. contra Costa Co.
Comment
UC78124
Plagiobothrys stipitatus var. stipitatus
Mrs. K. Brandegee
Apr 1883
Contra Costa
near Antioch
Comment
UC78181
Plagiobothrys trachycarpus
K. Brandegee
May 1892
Contra Costa
Antioch
Comment
UC79220
Plagiobothrys trachycarpus
Katharine Brandegee
May 1886
Contra Costa
near Antioch
Comment
UC2028324
Plagiobothrys trachycarpus
Barbara Ertter with Richard K. Brummitt
1998-5-13
16143
Contra Costa
Black Diamond Mines Regional Preserve in hills south of Pittsburg, depression in road from Somersville Road to south leg of Loughler Loop Trail.
Comment
JEPS111999
Plantago coronopus
A. G. Murdock
2004-6-4
318
Contra Costa
Pacheco Marsh Salt marsh NE of Waterbird
5
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
UCR263544
Plantago coronopus
Barbara Ertter
1990-10-24
9684
Contra Costa
San Francisco Bay Region, Martinez Regional Shoreline on Carquinez Strait
2
Comment
JEPS7118
Plantago elongata
W. L. Jepson
May 23 1891-May 24 1891
Contra Costa
Mt. Diablo
Comment
POM61282
Plantago elongata subsp. pentasperma
C. F. Baker
1903-4-27
2866
Contra Costa
Byron.
Comment
JEPS111997
Plantago erecta
D. G. Kelch
2003-3-21
03 .74
Contra Costa
Martinez - West: Ozol Rock and Scenic Drive
40
Comment
UC2042062
Plantago erecta
Katie Gallagher with Nick Jensen
2014-4-26
189
Contra Costa
Las Tramps Regional Wilderness.
Comment
POM300989
Plantago erecta
Mary L. Bowerman
1933-4-15
1848
Contra Costa
Canyon S of Arroyo del Cerro
Comment
RSA0068052
Plantago erecta
Katie Gallagher, Nick Jensen
2014-4-26
189
Contra Costa
Las Trampas Regional Wilderness.
396
Comment
CDA34274
Plantago lanceolata
D. G. Kelch
2009-8-9
9 .558
Contra Costa
S of Ozol Rock.
Comment
JEPS111998
Plantago lanceolata
A. G. Murdock
2004-5-28
271
Contra Costa
Pinole Peak
205
Comment
JEPS22024
Plantago lanceolata
G. Thomas Robbins with S. Galen Smith
1958-6-2
3852
Contra Costa
just e Hercules city boundary (Franklin Canyon Road (State Highway 4)); Refugio Valley
18
Comment
JEPS86060
Plantago lanceolata
William T. Hirano
1958-4-28
Contra Costa
near Inspiration Point (Wildcat Creek Road, San Pablo Ridge e of Berkeley); San Pablo Ridge
304
Comment
JEPS99965
Plantago lanceolata
G. Smick
2003-5-30
GAS 203
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC2032811
Plantago lanceolata
Doran, Andrew Scott
2012-3-20
681
Contra Costa
Brooks island loading dock, North side of island.
Comment
CAS-BOT-BC91605
Platystemon californicus
John Thomas Howell
1933-5-14
11277
Contra Costa
Hills east of Saint Mary's College.
Comment
UC101592
Platystemon californicus
Katharine Brandegee
1907-5-5
c
Contra Costa
between Antioch and Marsh Creek; between Antioch and Marsh Creek
Comment
UC101593
Platystemon californicus
Katharine Brandegee
1907-5-5
e
Contra Costa
between Antioch and Marsh Creek; between Antioch and Marsh Creek
Comment
UC101598
Platystemon californicus
Katharine Brandegee
1907-5-5
d
Contra Costa
between Antioch and Marsh Creek; between Antioch and Marsh Creek
Comment
CAS-BOT-BC91599
Platystemon californicus
Mary L. Bowerman
1932-3-23
1133
Contra Costa
Mount Diablo. Overlooking Donner Canyon.
304
Comment
CAS-BOT-BC91600
Platystemon californicus
Mary L. Bowerman
1935-4-17
2828
Contra Costa
Mount Diablo. West road 2 miles from entrance, just west of chaparral.
237
Comment
UC101596
Platystemon californicus
Katharine Brandegee
1907-5-5
a
Contra Costa
between Antioch and Marsh Creek (along a sandy road back of the oldest coal mine); between Antioch and Marsh Creek
Comment
JEPS12782
Plectritis macrocera
Rimo Bacigalupi with G. T. Robbins
1955-5-4
4975
Contra Costa
s of and above Nortonville ((site))
304
Comment
JEPS2799
Plectritis macrocera
J. Burtt Davy
1895-4-7
951
Contra Costa
Antioch; ; Antioch, Contra Costa Co.
Comment
PASA292
Plectritis macrocera
Annetta Carter
1929-3-31
Contra Costa
Near Clayton
Comment
UC691524
Plectritis macrocera
Mary L. Bowerman
1931-4-25
784
Contra Costa
summit of Mount Diablo Mount Diablo
Comment
UC39496
Pleuropogon californicus
W. H. Brewer
1862-5-1
1043
Contra Costa
Walnut Creek
Comment
SACT001771
Pleuropogon californicus
Peter Kamb, Francia Chisaki
1951-4-14
Contra Costa
Annual, the several ascending stems decumbent at base. Growing in wet muck of swale. margins of small pond 0.2 miles south of junction of highway 4 and 21, 7 miles north of Walnut Creek.
Comment
CAS-BOT-BC356095
Pluchea
Vincent Jones
1920-8-28
s.n.
Contra Costa
Orwood
Comment
CDA8486
Pluchea odorata
D. G. Kelch, A. G. Murdock
2004-9-2
4 .334
Contra Costa
Carquinez Strait Region; Pacheco Marsh. Marsh east of Martinez and I-680 and east of lone tree Marsh.
Comment
CDA8487
Pluchea odorata
D. G. Kelch, A. G. Murdock
2004-7-9
4 .311
Contra Costa
Carquinez Strait Region; Pacheco Marsh. Pacheco Hill Marsh west of Pacheco Slough.
Comment
CAS-BOT-BC356114
Pluchea odorata
Walter Knight; Harry Reeves
1979-8-25
3405
Contra Costa
East of reservoir, Contra Loma Regional Park. Near Antioch
22
Comment
JEPS78623
Pluchea odorata var. odorata
Walter Knight, L. R. Heckard and Bert Johnson
1978-9-28
3284
Contra Costa
Browns Island, Botany Cove
Comment
SEINET10593459
Poa annua
Alan A. Beetle
1942-3-22
Beetle 2926
Contra Costa
Brooks Island, San Francisco Bay, near Richmond.
Comment
CAS-BOT-BC246646
Poa howellii
Mary L. Bowerman
1933-4-22
1897
Contra Costa
Mount Diablo. Inner Black Hills just west of Cave Point
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
UC692471
Poa howellii
Mary L. Bowerman
1933-4-22
1897
Contra Costa
just w Cave Point; Mt Diablo, Inner Black Hills
Comment
UC697142
Poa howellii
Mary L. Bowerman
1933-6-3
2247
Contra Costa
summit Mt Diablo (ridge n of lower junction of 1-way rds)
Comment
UC912661
Poa howellii
Herbert L. Mason
1928-4-15
4350
Contra Costa
e end Moraga Ridge
Comment
SEINET11695803
Poa secunda
Unknown
1956-5-14
3387
Contra Costa
6.7 mi SW of city of Antioch, between old coal mining towns of Somersville & Nortonville
Comment
CAS-BOT-BC236388
Poa secunda subsp. secunda
Mary L. Bowerman
1935-4-26
2924
Contra Costa
Mount Diablo. Meridian Peak summit
1143
Comment
CAS-BOT-BC236389
Poa secunda subsp. secunda
Mary L. Bowerman
1932-4-16
1358
Contra Costa
Mount Diablo. Eagle Point Ridge, N of Eagle Point
Comment
CAS-BOT-BC236397
Poa secunda subsp. secunda
Alice Eastwood
1893-5-3
s.n.
Contra Costa
Antioch
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
UC188812
Poa secunda subsp. secunda
J. Burtt Davy
1900-3-24
6540
Contra Costa
Pt. Richmond
Comment
UC38696
Poa secunda subsp. secunda
J. Burtt Davy
1895-4-8
898
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
UC692416
Poa secunda subsp. secunda
Mary L. Bowerman
1933-4-15
1869
Contra Costa
canyon s of Arroyo del Cerro (rocky knoll 250 ft below spring); Mt Diablo
Comment
UC2028411
Poa secunda subsp. secunda
Barbara Ertter
1998-4-4
15967
Contra Costa
Shell Ridge Open Space northwest of Mount Diablo, east side of rocky knoll between northwestern most ridge and Indian Valley School
Comment
SEINET5548629
Poaceae
J. Hamai
1985-1
s.n.
Contra Costa
Russell Reserve
Comment
JEPS78820
Pogogyne serpylloides
Edward Lee
1936-5-24
2161
Contra Costa
Headwaters of Marsh Creek, about 8 miles from Marsh Creek Road, Morgan Territory
Comment
OBI60316
Pogogyne serpylloides
Joseph Andorfer Ewan
1935-5-26
9305
Contra Costa
E slope of Bold Peak , San Pablo Ridge
549
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
JEPS62482
Pogogyne zizyphoroides
Chestnut and Drew
1889-4-18
Contra Costa
Antioch
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
JEPS99991
Polygonum arenastrum
A. Langston
2003-9-16
AL 88
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS99992
Polygonum arenastrum
G. Smick
2003-5-8
GAS 176
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS51308
Polygonum aviculare subsp. aviculare
W. L. Jepson
1891-5-24
Contra Costa
Mt. Diablo
Comment
CHSC97872
Polygonum aviculare subsp. buxiforme
D. G. Kelch
2006-7-14
06 .328B
Contra Costa
Along Marine Vista Ave immediately west of Pacheco Slough. East of Martinez.
1
Comment
CDA2790
Polygonum cuspidatum
R. DeBoer
1969-5-9
Contra Costa
West side of parking lot, Rexal Park Pharmacy, 3716 San Pablo Dam Road, El Sobrante.
0
Comment
UC1784203
Polygonum persicaria
Ethel Crum
1930-9-29
862
Contra Costa
Marsh Creek Road to Holt
Comment
OBI70564
Polygonum ramosissimum subsp. ramosissimum
D. G. Kelch
1996-10-17
s.n.
Contra Costa
Carquinez Strait: Pt Edith Marsh
1
Comment
JEPS106988
Polypodium calirhiza
J. Greenhouse with Kevin Hintsa
2004-4-5
5088
Contra Costa
Mt. Diablo, Fire Interpretive Trail, Devil's Pulpit
1109
Comment
UC1446049
Polypodium calirhiza
Alan Smith with Ed Lee
1979-4-25
731
Contra Costa
n side Mt. Diablo Peak (trail beyond Devil's Elbow toward saddle between Mt. Diablo and North Peak)
1066
Comment
UC1541044
Polypodium calirhiza
Dick Moe
1985-2-24
Contra Costa
Red Rock Isl.; San Francisco Bay
Comment
CAS-BOT-BC422367
Polypogon
Peter Rubtzoff
1968-9-19
5967
Contra Costa
Russellman Park Road, 0.7 miles south of Marsh Creek Road.
Comment
RSA0024902
Polypogon
Peter Rubtzoff
1968-9-18
5966
Contra Costa
North Gate Road, ca. 5 miles northwest of Mt. Diablo State Park north entrance.
Comment
UC1819008
Polypogon interruptus
Barbara Ertter, Tony Morosco, Lynne Hosley
1995-5-29
14233
Contra Costa
South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland.
487
Comment
CAS-BOT-BC232582
Polypogon monspeliensis
A. A. Beetle
1941-6-24
1750
Contra Costa
Point Richmond on San Francisco Bay
Comment
CHSC60218
Polypogon monspeliensis
J. Lund
1980-4-2
Contra Costa
3.0 miles west of the junction of East 10th and Clayton Valley Road in Pottsburg.
0
Comment
JEPS100034
Polypogon monspeliensis
A. Langston
2003-6-6
AL 36
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS45888
Polypogon monspeliensis
Virginia Bufford
1932-4-18
578
Contra Costa
Wildcat Canyon
Comment
RSA484484
Polypogon monspeliensis
A. A. Beetle
1941-6-24
s.n.
Contra Costa
Point Richmond on San Francisco Bay.
Comment
SEINET191372
Polypogon monspeliensis
A. A. Beetle
1941-6-24
1750
Contra Costa
Point Richmond on San Francisco Bay.
Comment
UCD37370
Polypogon monspeliensis
Beecher Crampton
1959-9-3
5453
Contra Costa
Contra Costa County, 2 miles north of city of Orinda, Bear Creek, East Bay Municipal Utilities District Project.
Comment
CAS-BOT-BC237471
Polypogon viridis
Mary L. Bowerman
1936-8-17
3527
Contra Costa
Mount Diablo. Sulphur Spring in Pine Canyon
137
Comment
CAS-BOT-BC237473
Polypogon viridis
Walter & Irja Knight
1969-6-4
2623
Contra Costa
In the Regional Parks Botanic Garden
Comment
CAS-BOT-BC102382
Populus fremontii
Ira L. Wiggins
1930-4-18
4602
Contra Costa
Levee bank, S.E. side of Jersey Island
Comment
RSA755535
Potamogeton diversifolius
Barbara Ertter, Brad Olson
1991-9-28
10839
Contra Costa
San Pablo Reservoir between Orinda and El Sobrante
91
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
UC1606300
Potamogeton filiformis
Barbara Ertter with Lynne Hosley and Sid Cowles
1992-6-7
11087
Contra Costa
pond in quarry E of Round Top; Sibley Volcanic Regional Preserve, Oakland Hills
Comment
SEINET10785346
Potamogeton filiformis
Barbara J. Ertter, Dianne Lake; B. Olson; Lynne Hosley; Amy Hiss
1991-8-18
Ertter 10715
Contra Costa
Browns Island N of Pittsburg near confluence of Sacramento & San Joaquin rivers opposite Pittsburg Marina; tangled masses in water at W end of island.
Comment
JEPS99495
Potamogeton foliosus
Mary Bowerman
1995-6-8
Contra Costa
Mount Diablo, Pine Pond.
Comment
UC72980
Potentilla anserina subsp. pacifica
Chesnut and Drew
1889-4-15
Contra Costa
Martinez
Comment
JEPS111535
Prunus cerasifera
D. G. Kelch
2005-5-6
05 .219
Contra Costa
Franklin Canyon East of Christie Road. South of Route 4..
127
Comment
UC2027755
Prunus cerasifera
Barbara Ertter, Mary Bowerman
1996-11-1
15407
Contra Costa
North base of Mount Diablo, lower Donner Creek.
Comment
UC1784905
Prunus dulcis
Barbara Ertter, Chris Thayer
1995-4-25
s. n.
Contra Costa
Sycamore Creek on SE foot of Mount Diablo
Comment
UC2027733
Prunus dulcis
Barbara Ertter
1997-2-16
15460
Contra Costa
Shell Ridge Open Space on west flank of Mount Diablo, exposed sandstone on main ridgeline.
Comment
CDA39058
Prunus ilicifolia
D. G. Kelch
2011-6-12
11 .586-B
Contra Costa
Along railroad tracks north of Point Costa.
0
Comment
UC467819
Prunus virginiana var. demissa
V. King Chesnut
1888-4-11
Contra Costa
Moraga
Comment
UC691146
Prunus virginiana var. demissa
Mary L. Bowerman
1933-5-21
2148 a
Contra Costa
Grape Spring s from Curry Canyon (Mount Diablo); , Grape Spring
Comment
CDA42365
Pseudognaphalium californicum
D. G. Kelch, Vince Guise
2012-7-26
12 .232
Contra Costa
El Sobrante; Circle Dr.
Comment
UC2013024
Pseudognaphalium californicum
Barbara Ertter
1990-5-19
8994
Contra Costa
Lafayette Ridge of Briones Regional Park N of Lafayette.
Comment
CHSC116623
Pseudognaphalium luteoalbum
Lowell Ahart; Josephine Guardino
2016-4-19
20767
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. Below the high water line of Los Vaqueros Reservoir, 1.4 miles northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
144
Comment
JEPS111714
Pseudognaphalium luteoalbum
D. G. Kelch
2004-6-6
04 .223
Contra Costa
Martinez - Train Station Downtown Martinez.
2
Comment
UC2032810
Pseudognaphalium luteoalbum
Doran, Andrew Scott
2012-3-20
680
Contra Costa
Brooks island loading dock, North side of island.
Comment
SEINET3875503
Pseudotsuga menziesii
Michael R. Tansey
1963-2-15
2
Contra Costa
North end of Jewel Lake in Tilden Regional Park, California.; 0
152
Comment
CAS-BOT-BC361693
Psilocarphus brevissimus var. brevissimus
Herbert L. Mason
1952-4-14
14266
Contra Costa
Vernal Pool 3.5 miles south of Byron
Comment
UC177448
Psilocarphus oregonus
Alice Eastwood
1893-5-5
Contra Costa
Brentwood
Comment
CAS-BOT-BC361879
Psilocarphus tenellus
John Thomas Howell
1933-5-14
11230
Contra Costa
St. Mary's College
Comment
JEPS40518
Psilocarphus tenellus
W. L. Jepson
1922-5-11
9635
Contra Costa
n Berkeley Hills; North Berkeley Hills
Comment
CAS-BOT-BC361878
Psilocarphus tenellus
John Thomas Howell
1930-4-22
4748
Contra Costa
Bald Peak
Comment
JEPS12780
Psilocarphus tenellus
Rimo Bacigalupi
1955-5-4
4970
Contra Costa
just se of old tunnel of the Tunnel Road; summit Oakland Hills
426
Comment
POM138613
Ptelea baldwinii subsp. crenulata
C. F. Baker
1903-4-28
2943
Contra Costa
Mitchell's Canyon, Mt. Diablo.
Comment
RSA115538
Ptelea baldwinii subsp. crenulata
Beecher Crampton
1957-7-9
4273
Contra Costa
Slopes above Carquinez Straits. 2-3 miles NW of Martinez.
Comment
CAS-BOT-BC148627
Ptelea crenulata
Alice Eastwood
1915-5-30
4440
Contra Costa
Mount Diablo
Comment
CAS-BOT-BC148637
Ptelea crenulata
Lewis S. Rose
1936-4-24
36147
Contra Costa
Marsh Creek, 6 mi. E of Clayton
60
Comment
JEPS99948
Ptelea crenulata
G. Smick
2003-4-8
GAS 127
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
SBBG33491
Ptelea crenulata
A. D. E. Elmer
-May-1903
Contra Costa
Mount Diablo
Comment
UC1277976
Ptelea crenulata
B. Crampton
1957-7-9
4273
Contra Costa
2-3 mi nw Martinez (slopes above the Carquinez Straits)
Comment
UC17374
Ptelea crenulata
Prof. W. L. Jepson
1898-10-18
Contra Costa
Mt. Diablo
Comment
UC571101
Ptelea crenulata
H. L. Mason
1928-4-1
4270
Contra Costa
hills n Mount Diablo (canyon back of Antioch hills)
Comment
CAS-BOT-BC148617
Ptelea crenulata
Peter H. Raven; H. L. Mason; R. Ornduff
1957-4-11
10624
Contra Costa
Curry Canyon, 4.0 miles s. of Recreation Ground
Comment
UC2043241
Pteridium aquilinum var. pubescens
Barbara Ertter with David Gowen
2015-2-22
22227
Contra Costa
Alder Creek below Green Ranch at road crossing, Mount Diablo SE of summit.
Comment
UC1795763
Pterostegia drymarioides
Barbara Ertter, Lisa Schultheis
1995-4-27
14014
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
UC2027759
Pyracantha angustifolia
Barbara Ertter
1997-1-5
15433
Contra Costa
Ygnacio Valley Road crossing Lime Ridge on northwest side of Mount Diablo.
Comment
JEPS112099
Pyracantha crenatoserrata
D. G. Kelch
2005-5-13
05 .246
Contra Costa
Martinez. South of oil refinery along Railroad tracks in fragment of habitat
28
Comment
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-BC104166
Quercus X morehus
Mary L. Bowerman
1931-9-27
1046
Contra Costa
Mount Diablo. Near Quicksilver Mine on N side of North Peak
Comment
CAS-BOT-BC45659
Quercus agrifolia
Alice Eastwood
1914-2-24
3733
Contra Costa
Antioch
Comment
JEPS111961
Quercus agrifolia
D. G. Kelch
2004-3-12
04 .20
Contra Costa
Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road. Contra Costa County,
130
Comment
UC5476
Quercus agrifolia
State Survey
1862-5-12
1079
Contra Costa
Comment
UC691315
Quercus agrifolia
Mary L. Bowerman
1931-9-27
1049
Contra Costa
ne side North Peak; Mount Diablo
Comment
UC691325
Quercus agrifolia
Mary L. Bowerman
1930-10-25
495
Contra Costa
near Sloan Road; Mount Diablo, Inner Black Hills
Comment
UCSB16859
Quercus agrifolia
L. Dempster
Mar 1963
S.N.
Contra Costa
NEAR 15 EL TOYANAL ORINDA
Comment
RSA0041717
Quercus berberidifolia
Mary L. Bowerman
1930-10-19
490
Contra Costa
South road at Garden-of-the-Gods (Fossil Ridge).
Comment
UC1135389
Quercus chrysolepis
R. W. Lundh
1933-3-13
212
Contra Costa
0.75 mi nw Pinehurst; Concord Quad.
304
Comment
UC1135397
Quercus chrysolepis
R. C. Wilson
1935-3-28
155
Contra Costa
Top of Mt. Diablo Mt. Diablo Quad.
1158
Comment
UC691284
Quercus chrysolepis
Mary L. Bowerman
1930-6-7
275
Contra Costa
Mount Diablo summit Mount Diablo
Comment
CAS-BOT-BC86648
Quercus douglasii
John Thomas Howell
1926-3-7
1658
Contra Costa
Mt. Diablo near toll gate
Comment
UC691298
Quercus douglasii
Mary L. Bowerman
1930-9-9
457
Contra Costa
ne side North Peak; Mount Diablo
Comment
CAS-BOT-BC86121
Quercus dumosa
Mary L. Bowerman
1935-11-30
3355
Contra Costa
Mount Diablo. Fossil Ridge, roadside
Comment
SEINET12034573
Quercus kelloggii
M. T. Doutt
1930-1
83
Contra Costa
Marsh Creek
Comment
CAS-BOT-BC61605
Quercus lobata
Mary L. Bowerman
1930-6-3
224
Contra Costa
Mount Diablo. West road, 1.9 miles from entrance
167
Comment
UCD81370
Quercus palmeri
J. M. Tucker
1981-4-25
4453 -E
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
UC691292
Quercus wislizeni
Mary L. Bowerman
1933-9-30
2448
Contra Costa
e end Meridian Flat (e of Pioneer Camp); Mount Diablo
Comment
UC691296
Quercus wislizeni
Mary L. Bowerman
1933-9-30
2449
Contra Costa
Russelman Park Mount Diablo
Comment
UC2028563
Quercus wislizeni
Barbara Ertter with Mary Bowerman
1996-11-1
15406
Contra Costa
North base of Mount Diablo, along Donner Creek between trailhead and cabin site.
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
UC691454
Rafinesquia californica
Mary L. Bowerman
1932-4-27
1378
Contra Costa
canyon w Riggs Canyon; Mount Diablo, s face Oyster Ridge
304
Comment
UC92077
Rafinesquia californica
E. L. Greene
1886-5-24
Contra Costa
Mount Diablo
Comment
UC691951
Ranunculus aquatilis
Mary L. Bowerman
1935-6-21
3155
Contra Costa
s Turtle Rock (winter pool e of main pond); Mount Diablo
Comment
CAS-BOT-BC379107
Ranunculus aquatilis var. diffusus
Mary L. Bowerman
1951-4-4
662
Contra Costa
Mount Diablo, pool west of Turtle Rock (may be seen from top of rock)
Comment
UC2028488
Ranunculus aquatilis var. diffusus
Barbara Ertter
1998-5-3
16057
Contra Costa
Turtle Rock ponds along Barbeque Terrace Road in upper Pine Canyon, southwest flank of Mount Diablo
Comment
JEPS112058
Ranunculus californicus
D. G. Kelch
2004-5-2
04 .161
Contra Costa
Crockett - Edwards Canyon Edwards Canyon, Crockett, Contra Costa County, CA
125
Comment
POM268438
Ranunculus californicus
Mary L. Bowerman
1931-2-22
521
Contra Costa
Sycamore Canyon
Comment
UC732542
Ranunculus canus
Lyman Benson
1931-3-18
2655
Contra Costa
Danville South Coast Mt. Range, Sacramento River Watershed, Mt. Diabl (w base of mt.)
213
Comment
POM268399
Ranunculus canus
Lyman Benson
1931-3-18
2655
Contra Costa
Mt. Diablo near Danville; Mt. Range: Mt. Diablo; Watershed: Walnut Creek
152
Comment
JEPS112061
Ranunculus hebecarpus
D. G. Kelch
2005-5-1
05 .183
Contra Costa
Crockett - Edwards Canyon
150
Comment
JEPS112057
Ranunculus muricatus
D. G. Kelch
2004-4-24
04 .96
Contra Costa
Ca ada del Cierbo Upper Ca ada de Cierbo on fire road to cow barn along Cummings Skyway
70
Comment
POM269270
Ranunculus muricatus
Mary L. Bowerman
1933-4-15
1844
Contra Costa
Canyon south of Arroyo del Cerro, about 250 ft. below spring;
Comment
UC1084395
Ranunculus occidentalis
G. Thomas Robbins
1937-4-25
140
Contra Costa
hillside near La Vista
Comment
UC1795755
Ranunculus sceleratus
Barbara Ertter, Kristin Ertter
1995-7-11
14485
Contra Costa
West side of Mt Diablo SW of Walnut Creek; mudflat around inlet to Pine Pond.
Comment
JEPS99487
Ranunculus sceleratus
Mary Bowerman
1975-6-8
Contra Costa
Mount Diablo, Pine Pond.
Comment
JEPS78175
Raphanus sativus
Gary W. Zamzow
1973-1-26
124
Contra Costa
300 m. s. of Central Ave. overpass & 100 m. w. of Hoffman Blvd. Richmond (landfill at edge of Bay)
Comment
POM181430
Raphanus sativus
I. L. Wiggins
1930-4-18
4610
Contra Costa
Jersey Island.
Comment
CDA29170
Rhamnus alaternus
D. G. Kelch
2008-6-1
8 .219
Contra Costa
Carquinez Strait; Rodeo Shore.
Comment
JEPS42029
Rhamnus californica subsp. californica
W. L. Jepson
1924-6-25
10600
Contra Costa
Moraga Ridge
Comment
CAS-BOT-BC59897
Rhamnus ilicifolia
H. E. McMinn
1922-6-2
90
Contra Costa
N. slope of Mt. Diablo.
Comment
UC692576
Rhus trilobata
Mary L. Bowerman
1935-5-30
3092
Contra Costa
Eagle Point Ridge; Mount Diablo
350
Comment
UC692578
Rhus trilobata
Mary L. Bowerman
1933-3-25
1776
Contra Costa
Diablo Stock Farm (Stone Valley) Canyon; Mount Diablo
Comment
JEPS49302
Ribes
W. L. Jepson
1923-6-10
9997
Contra Costa
Upper Marsh Creek Mt. Diablo
Comment
JEPS77003
Ribes amarum
Robert M. Lloyd
1963-3-17
2133
Contra Costa
0.5 mi e Grizzly Peak Road (on Skyline Drive (across from 7090 Skyline Drive), Huckleberry trail); Huckleberry trail
Comment
UC2031402
Ribes amarum
Barbara Ertter with David Gowen and Steve Matson
2007-3-17
18788
Contra Costa
Huckleberry Botanic Regional Preserve in East Bay Hills above Montclair, dog-leg of Skyline Regional Trail at junction with trail from Pinehurst Road at base of canyon of upper San Leandro Creek
Comment
POM274738
Ribes californicum
Unspecified
1935-3-16
6268
Contra Costa
Mt. Diablo, Walnut Creek watershed, Upper Sonora zone.
Comment
CAS-BOT-BC108892
Ribes divaricatum var. pubiflorum
Alice Eastwood
1914-3-6
s.n.
Contra Costa
Redwood Canyon.
Comment
RSA0025008
Ribes divaricatum var. pubiflorum
H. P. Chandler
1900-3-17
s.n.
Contra Costa
Wildcat Canyon, Berkeley Hills.
Comment
CAS-BOT-BC168922
Ribes malvaceum
Alice Eastwood; John Thomas Howell
1936-4-19
2140
Contra Costa
Nortonville
Comment
RSA0021634
Ribes malvaceum
L. S. Rose
1934-2-1
34011
Contra Costa
W. slope Mt. Diablo.
610
Comment
JEPS79394
Ribes menziesii
Edward Lee with Annetta Carter
1936-5-24
2167
Contra Costa
10 mi from Marsh Creek Road; Mt. Diablo, Morgan Territory
Comment
CAS-BOT-BC362961
Rigiopappus leptocladus
Mary L. Bowerman
1933-5-10
2061
Contra Costa
Mount Diablo. Ridge at east end of, and south of, Meridian Flat
822
Comment
CAS-BOT-BC362963
Rigiopappus leptocladus
Brandegee
1889-5-1
s.n.
Contra Costa
Antioch
Comment
UC691487
Rigiopappus leptocladus
Mary L. Bowerman
1935-4-17
2835
Contra Costa
2 mi from North Gate (North Road, ridge w of chaparral); Mount Diablo
286
Comment
UC697146
Rigiopappus leptocladus
Mary L. Bowerman
1931-4-25
759
Contra Costa
opposite Oak Knoll Picnic Grounds; Mount Diablo, Mountain House Canyon
822
Comment
CAS-BOT-BC362965
Rigiopappus leptocladus
Brandegee
No date on label
s.n.
Contra Costa
Antioch
Comment
JEPS99482
Rigiopappus leptocladus
Mary Bowerman
1977-5-29
Contra Costa
Mount Diablo. SW corner Russellman Park.
365
Comment
SD62209
Romneya trichocalyx
Helen Beard
1965-1-20
Contra Costa
From L.L. Edmunds Native Plant Nursery, Danville, Contra Costa County, California. Original place of collection not known. University of California Botanical Garden 50.1640.
Comment
UC691057
Rorippa nasturtium-aquaticum
Mary L. Bowerman
1930-6-5
244
Contra Costa
West Road 5.8 mi from entrance Mount Diablo (West Road = North Road)
Comment
JEPS116841
Rosa
David Gowen
2007-5-3
695
Contra Costa
South of Crockett.
Comment
CAS-BOT-BC147407
Rosa californica
Peter H. Raven
1957-7-5
11053
Contra Costa
Point Isabel
Comment
UC136538
Rosa californica
Katharine Brandegee
1907-7-4
Contra Costa
marsh between Martinez and Port Costa
Comment
UC1952819
Rosa californica
Barbara Ertter with David Gowen
2010-11-17
20700
Contra Costa
southeast part of Lime Ridge Open Space (City of Walnut Creek(, mid slope of east-facing drainage below Crystyl Ranch Trail ca 1/4 mi N of jct Paraiso Trail
Comment
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
UC691148
Rosa gymnocarpa
Mary L. Bowerman
1931-5-21
887
Contra Costa
Curry-Cave Point trail Mount Diablo (where streambed forks and on w fork)
441
Comment
JEPS102898
Rosa spithamea
Barbara Ertter, Brad Olson
1997-11-1
15878
Contra Costa
Knobcone Point Road E of Balancing Rock Mount Diablo
548
Comment
UC2027880
Rubus armeniacus
Barbara Ertter with Mary Bowerman
1996-11-1
15404
Contra Costa
North base of Mount Diablo, lower Donner Creek between trailhead and cabin site.
Comment
CAS-BOT-BC147206
Rubus parviflorus
Mary L. Bowerman
1933-5-19
2140
Contra Costa
Below Morgan Sulphur Spring
335
Comment
CAS-BOT-BC158774
Rubus ursinus
Roxana S. Ferris
1924-4-13
4079
Contra Costa
Mitchell Canyon, Mt. Diablo
Comment
CDA924
Rubus ursinus
D. G. Kelch
2006-5-5
6 .129
Contra Costa
East Bay; Wildcat Canyon Regional Park. Near Wildcat Canyon Road terminus.
Comment
JEPS112015
Rumex acetosella
Dean G. Kelch and Andrew G. Murdock
2004-3-19
AGM 225
Contra Costa
Luzon. Sycamore Ave. just east of Rodeo/Hercules where train crosses Hwy 4 (Luzon).
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
UC1328160
Rumex acetosella
Olive Dyer
1937-4-4
262
Contra Costa
hilltop above Trituros canyon tributary; Wildcat Canyon
Comment
UC692167
Rumex conglomeratus
Mary L. Bowerman
1930-8-24
420
Contra Costa
Mitchell Canyon Mount Diablo
Comment
CAS-BOT-BC421624
Rumex crispus
W. Knight; I. Knight
1977-5-22
s.n.
Contra Costa
Antioch Dunes.
Comment
UC692157
Rumex pulcher
Mary L. Bowerman
1938-5-28
3644
Contra Costa
Maple Spring, upper margin Mount Diablo
Comment
JEPS121055
Rupertia physodes
Dean G. Kelch and Andrew G. Murdock
2004-5-9
042 .12
Contra Costa
Crockett - Bull Valley
Comment
UC2070472
Rupertia physodes
Barbara Ertter
2002-5-11
17842
Contra Costa
Southwest base of Mount Diablo, lower Emmons Canyon Road.
Comment
CDA23458
Salicornia subterminalis
R. L. Todd
1962-11-21
Contra Costa
Old River Canal bridge.
0
Comment
UC7475
Salicornia virginica
Hansen
Sep 1899
Contra Costa
Byron Springs
Comment
UC69368
Salix
Wm. W. Mott
1905-1-6
Contra Costa
near Berkeley (n.e. corner San Pablo Ave. & McAvoy Lane)
Comment
CAS-BOT-BC129916
Salix bonplandiana
Mary L. Bowerman
1933-5-21
2162 a
Contra Costa
Sulphur Spring Canyon, streambed immediately below thimbleberry patch in Sulphur Spring fork.
Comment
UC691922
Salix exigua var. hindsiana
Mary L. Bowerman
1936-5-6
3412 a
Contra Costa
Mitchell Canyon Mt. Diablo, Mitchell Canyon
152
Comment
CAS-BOT-BC104084
Salix hindsiana
Mary L. Bowerman
1935-5-30
3081
Contra Costa
By Donner Canyon stream
152
Comment
CDA15248
Salix laevigata
G. F. Hrusa, D. Crowe
1998-5-8
14379
Contra Costa
Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River.
Comment
JEPS112249
Salix laevigata
A. G. Murdock
283
Contra Costa
Refugio Valley
120
Comment
JEPS112255
Salix laevigata
D. G. Kelch
2005-5-13
05 .244
Contra Costa
Martinez South of oil refinery along Railroad tracks
Comment
POM300613
Salix laevigata
Mary L. Bowerman
1933-5-10
2067
Contra Costa
Spring on ridge below Indian Ceremonial Spring. Mt. Diablo.
976
Comment
SEINET3158569
Salix laevigata
H. P. Chandler
1901-3-22
858
Contra Costa
Pacheco
Comment
UC691923
Salix laevigata
Mary L. Bowerman
1933-5-21
2162 a
Contra Costa
stream bed immediately below thimbleberry patch in Sulphur Spring fork; Mt. Diablo, Sulphur Spring Canyon
Comment
JEPS112248
Salix lasiolepis
A. G. Murdock
2004-2-12
208
Contra Costa
Franklin Canyon; Along Franklin Canypn east of McHarry Ranch Road
Comment
CAS-BOT-BC129552
Salix lasiolepis var. lasiolepis
Alice Eastwood
1914-2-24
3730
Contra Costa
Antioch
Comment
CAS-BOT-BC129600
Salix lasiolepis var. lasiolepis
Mary L. Bowerman
1931-4-11
701
Contra Costa
Mouth of Pine Canyon, on bank of dry stream bed - Mount Diablo
Comment
UC1607511
Salpichroa origanifolia
Barbara Ertter
1991-5-12
9818
Contra Costa
Point Isabel Regional Shoreline in SW corner of El Cerrito, on San Francisco Bay
Comment
UCR265174
Salpichroa rhomboidea
Barbara Ertter
1991-5-12
9818
Contra Costa
Central Coast, Point Isabel Regional Shoreline in southwest corner of El Cerrito, on San Francisco Bay; along old railroad right-of-way between bay and Salicornia marsh.
4
Comment
UC25708
Salvia columbariae
W. L. Jepson
May 23 1894-May 24 1894
Contra Costa
Mt. Diablo; Mount Diablo Region
Comment
CDA34981
Salvia elegans
Barbara Ertter
2010-5-12
19829
Contra Costa
Miller Knox Regional Shoreline at south edge of Point Richmond, southernmost path from Old Country Road to Dornan Drive.
0
Comment
JEPS49757
Salvia mellifera
Rimo Bacigalupi and Alice Howard and Paul Hutchison
1967-3-29
9219
Contra Costa
0.5 mi se head of Bolinger Creek (on w slope of Las Trampas Ridge, in Bolinger Creek drainage); Las Trampas Ridge, Bolinger Creek
390
Comment
POM283364
Salvia mellifera
Lyman Benson
1935-3-16
6260
Contra Costa
Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo.
915
Comment
UC1124790
Salvia mellifera
R. W. Lundh
1933-3-25
221
Contra Costa
1 mi w Alamo; Concord Quad.
213
Comment
UC25728
Salvia mellifera
W. L. Jepson
May 23 1891-May 24 1891
Contra Costa
Mount Diablo; Region of Mount Diablo
Comment
UC63772
Salvia mellifera
H. M. Hall
1901-4-4
1751
Contra Costa
Mt. Diablo; San Francisco Bay Region
670
Comment
UCD36923
Salvia mellifera
Beecher Crampton
1956-5-14
3406
Contra Costa
Southern boundary of Mount Diablo State Park.
Comment
UC25745
Salvia spathacea
F. T. Bioletti
1894-5-13
Contra Costa
Mt. Diablo
Comment
JEPS12727
Sambucus mexicana
W. L. Jepson
1908-8-16
3086
Contra Costa
Walnut Creek
Comment
RSA477576
Sambucus mexicana
B. C. Templeton
1962-6-10
s.n.
Contra Costa
Mt Diablo.
Comment
UC691560
Sambucus mexicana
Mary L. Bowerman
1930-8-31
452 a
Contra Costa
Curry Canyon Mount Diablo (Sloan Road)
Comment
CAS-BOT-BC238632
Sambucus nigra subsp. caerulea
Alice Eastwood
1915-5-30
4548
Contra Costa
Mt. Diablo
Comment
JEPS121564
Sambucus nigra subsp. caerulea
Adam C. Schneider
2013-10-12
317
Contra Costa
Briones Regional Park, along north side of Beark Creek Trail, about 3/4 mile east of Oak Grove campground.
Comment
SEINET10545764
Sanicula bipinnata
John T. Middleton
1936-4-18
Middleton 146
Contra Costa
Comment
UCD127998
Sanicula bipinnata
P. B. Kennedy
1925-4-26
s.n.
Contra Costa
Sycamore Canon Road, Mt. Diablo.
Comment
UCD127942
Sanicula bipinnatifida
P. B. Kennedy
1914-3-15
4624
Contra Costa
Sunset Cemetery.
Comment
UC1084406
Sanicula crassicaulis
G. Thomas Robbins
1937-4-17
117
Contra Costa
near Point Richmond
Comment
UC691874
Sanicula crassicaulis
Mary L. Bowerman
1933-5-8
2023
Contra Costa
Mount Diablo, Rock City, w fork of Sycamore Creek Sycamore Creek; Mount Diablo, Rock City, Sycamore Creek
Comment
UC73292
Sanicula crassicaulis
Harley P. Chandler
1901-4-4
952
Contra Costa
Region of Mount Diablo, Pine Canyon Pine Canyon; Region of Mount Diablo, Pine Canyon
Comment
UC2027776
Sanicula crassicaulis
Barbara Ertter with Holly Forbes
1997-4-20
15563
Contra Costa
North base of Mount Diablo, Eagle Peak Trail on NE side of Eagle Ridge below Twin Peaks.
Comment
LA33017
Sanicula saxatilis
Lincoln Constance; T. Morley, Ren Hwa. Shan, W. H. Wagner
1946-4-26
3036 Topotype
Contra Costa
Mount Diablo, summit SW of lookout
1158
Comment
UC1006707
Sanicula saxatilis
C. Ritchie Bell
1953-4-1
1408
Contra Costa
Mount Diablo, North Peak Mount Diablo; , North Peak
Comment
UC2028179
Sanicula tuberosa
Barbara Ertter
1998-5-3
16039
Contra Costa
SW fork of Pine Creek between Pine Ridge and Wall Point Ridge, southwest base of Mount Diablo.
Comment
JEPS100129
Scandix pecten-veneris
G. Smick
2003-3-27
GAS 110
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
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
CAS-BOT-BC283604
Schedonorus pratensis
Barrett Anderson
1987-4-29
3485
Contra Costa
Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD
125
Comment
UCD150918
Schinus molle
James A. Neilson Jr.
1972-10-27
3620
Contra Costa
Clayton, C4. Elevation estimated using Google Earth by label maker.
121
Comment
UCD150898
Schoenoplectus
James A. Neilson Jr.
1972-10-22
3503
Contra Costa
Walnut Creek drainage. Elevation estimated using Google Earth by label maker.
0
Comment
SD134082
Schoenoplectus californicus
Walter Knight, Irja Knight
1977-6-18
Contra Costa
On shore of San Joaquin River, Antioch sand dunes, Little Corral site. Growing in water at high tide.
Comment
UC692193
Scirpus acutus var. occidentalis
Mary L. Bowerman
1938-9-17
3715
Contra Costa
by the rivulet and in the marsh Big Spring Mount Diablo, Big Spring
731
Comment
CDA39108
Scirpus californicus
T. C. Fuller
1964-11-6
12808
Contra Costa
Northeast side of Bethel Island.
0
Comment
SEINET3914283
Scirpus californicus
K. Thorne, L. Thorne; N. Thorne; J. Chandler
1986-7-27
4955
Contra Costa
Franks Tract, along San Joaquin River delta. Sand Mound Slough, SE portion of Bethel Slough.; 0
610
Comment
JEPS111881
Scirpus maritimus
A. G. Murdock
2004-5-28
300
Contra Costa
Luzon
60
Comment
UC691605
Scrophularia californica
Mary L. Bowerman
1930-6-18
344
Contra Costa
Dan Cook Canyon Mt Diablo
Comment
UC2070589
Scrophularia californica
Barbara Ertter
2003-3-28
18124
Contra Costa
Round Valley Regional Preserve. Round Valley Creek at north end of Round Valley.
Comment
UC1606441
Scutellaria californica
Barbara Ertter
1993-6-25
11905
Contra Costa
1/4 mi s of Tilden miniature steam trains (head of Siesta Valley, Skyline Trail); Oakland-Berkeley Hills, Skyline Trail, Siesta Valley
457
Comment
JEPS100051
Scutellaria tuberosa
G. Smick
2003-4-1
GAS 113
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC1606369
Scutellaria tuberosa
Barbara Ertter, Brad Olson
1992-4-13
10952
Contra Costa
1 mi from Curry Point (Mount Diablo State Park, Knobcone Point Road); Mount Diablo State Park, Knobcone Point Road
487
Comment
UC1713665
Scutellaria tuberosa
C. Epling, D. Stebbins
1940-5-4
Contra Costa
Moraga Ridge
Comment
UC25824
Scutellaria tuberosa
W. H. Brewer
1862-5-1
1037
Contra Costa
s of Camp 69
Comment
CAS-BOT-BC240055
Secale cereale
Alice Eastwood
1921-4-18
10313
Contra Costa
Antioch
Comment
UC2028051
Sedum radiatum
Barbara Ertter with Ann Dennis
1998-1-25
15909
Contra Costa
Donner Canyon on north side Mount Diablo, Middle Trail/Falls Trail.
Comment
UC11259
Sedum spathulifolium
W. H. Brewer
1861-9-25
842
Contra Costa
summit of Monte Diablo
Comment
UC11261
Sedum spathulifolium
Brewer
842
Contra Costa
Mt. Diablo Summit
Comment
JEPS37619
Senecio aronicoides
W. L. Jepson
1923-6-10
9992
Contra Costa
Upper Marsh Creek Mt. Diablo
Comment
RSA762308
Senecio glomeratus
William J. Ferlatte, L. Maynard Moe
1970-4-27
1266
Contra Costa
San Francisco Bay, Red Rock Island.
Comment
JEPS37189
Senecio hydrophilus
W. L. Jepson
1923-9-13
10210
Contra Costa
n of Cerrito Creek; Berkeley Hills
Comment
CAS-BOT-BC363701
Senecio hydrophilus
Walter Knight; I. Knight; J. T. Howell; E. McClintock; et al
1978-9-5
3228
Contra Costa
Botany Cove Area. Browns Island
Comment
CDA9545
Senecio vulgaris
D. G. Kelch, Michael Park, Abigail Moore
2007-5-1
7 .224
Contra Costa
Byron Airport.
Comment
JEPS37191
Senecio vulgaris
W. L. Jepson
1921-5-22
9200
Contra Costa
Mt. Diablo
Comment
UC651289
Senecio vulgaris
Ira L. Wiggins
1930-4-18
4597
Contra Costa
n end Jersey Island
Comment
JEPS48275
Sequoia sempervirens
W. L. Jepson
1919-1-25
8208
Contra Costa
Upper San Leandro Creek by Moraga Ridge Upper San Leandro Creek, Moraga Ridge
Comment
NY64466
Sequoia sempervirens
L. S. Rose
1934-1-29
34009
Contra Costa
Redwood Canyon
Comment Read comments Apr 14 2010
CDA33908
Sesbania punicea
Guise/Duarte
2008-9-17
PDR# 1454087
Contra Costa
Concord; East Olivera Rd., 1/4 mile north of Salvio St.
0
Comment
CDA25239
Sherardia arvensis
D. G. Kelch, D. A. Weinstein
2008-4-15
8 .044
Contra Costa
Carquinez Strait; S Port Costa along Mckewen Rd.
Comment
JEPS25157
Sidalcea malviflora subsp. laciniata
G. Thomas Robbins with John Weiler
1959-5-23
4028
Contra Costa
slopes on the w side Brooks Island (Richmond); San Francisco Bay, Richmond
Comment
UC1555371
Sidalcea malviflora subsp. laciniata
Jerry Powell
1988-4-1
1530
Contra Costa
Point Molate Richmond (in w Richmond)
Comment
UC18898
Sidalcea malviflora subsp. laciniata
W. H. Brewer
1862-4-30
1002
Contra Costa
Camp 69 Walnut Creek, Camp 69
Comment
UC18907
Sidalcea malviflora subsp. laciniata
State Survey
1862-4-30
1002
Contra Costa
Walnut Creek
Comment
UC2032814
Sidalcea malviflora subsp. laciniata
Doran, Andrew Scott
2012-3-20
684
Contra Costa
North end of Brooks Island along ridge, cleared area northwest of caretakers residence.
Comment
UC1070221
Silybum marianum
R. C. Wilson
1935-3-12
120
Contra Costa
1 1/2 mi ne Danville; Mt. Diablo Quad.
Comment
UC691084
Sinapis arvensis
Mary L. Bowerman
1938-5-25
3634
Contra Costa
North Road 2 mi from North Gate (Mount Diablo); , North Road
182
Comment
CAS-BOT-BC75380
Sisymbrium orientale
Walter Knight
1978-5-1
s.n.
Contra Costa
Contra Loma Regional Park, 6 miles south of San Joaquin River.
68
Comment
RSA0068486
Sisyrinchium bellum
Katie Gallagher, Nick Jensen
2014-4-26
188
Contra Costa
Las Trampas Regional Wilderness.
396
Comment
RSA310841
Sisyrinchium bellum
John Weiler
1959-4-5
5937
Contra Costa
Along Bear Creek road
Comment
SEINET8887765
Sisyrinchium bellum
H. E. Hodge
1956-4-7
21
Contra Costa
2 miles north of Orinda
61
Comment
UC691995
Smilacina racemosa
Mary L. Bowerman
1933-5-22
2168
Contra Costa
e Knobcone Point (on n face (2 small ridges w of n ridge bearing Pinus attenuata)); Mount Diablo, Inner Black Hills
Comment
CDA37907
Solanum americanum
D. G. Kelch, Mike Perlmutter
2011-9-23
11 .762
Contra Costa
Antioch. Dow Wetlands.
Comment
UC1618167
Solanum americanum
Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson
1991-10-20
10879
Contra Costa
just w of Antioch Marina (Dow Wetlands Preserve, levee at n-center of preserve, at end of road); Dow Wetlands Preserve
Comment
NY751923
Solanum californicum
D. D. Keck
1933-11-2
2619
Contra Costa
1 mi. S.E. of Oakley.
Comment
UC1050776
Solanum lanceolatum
N. Floy Bracelin
1942-6-21
2149
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley
Comment
CAS-BOT-BC157453
Solanum umbelliferum
A. Eastwood
1915-5-30
4541
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC157455
Solanum umbelliferum
J. T. Howell
1933-5-14
11291
Contra Costa
Hills east of St. Mary's College
Comment
NY820591
Solanum umbelliferum
A. A. Heller
1908-4-16
8889
Contra Costa
Sand hills east of Antioch
23
Comment
UC1125028
Solanum umbelliferum
R. C. Wilson
1935-3-13
126
Contra Costa
2 mi w of Cave Point
502
Comment
UCD38575
Solanum umbelliferum
Beecher Crampton
1956-5-14
3398
Contra Costa
Headwaters of Marsh Creek, southeastern of Mt. Diablo.
640
Comment
JEPS111655
Solidago velutina subsp. californica
A. G. Murdock
2003-9-12
198
Contra Costa
Selby Along trail to Superfund overlook
40
Comment
JEPS78880
Solidago velutina subsp. californica
Edward Lee
1936-12-12
2608
Contra Costa
s Berkeley Country Club
Comment
CHSC116656
Soliva sessilis
Lowell Ahart; Josephine Guardino
2016-4-19
20768
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
UC2028175
Sonchus asper subsp. asper
Barbara Ertter
1998-5-3
16044
Contra Costa
Pine Canyon/Stage Road upstream from Dusty Road junction, southwest flank of Mount Diablo.
Comment
CAS-BOT-BC374592
Sonchus oleraceus
Ira L. Wiggins
1930-4-18
4608
Contra Costa
Jersey Island
Comment
RSA760658
Sonchus oleraceus
William J. Ferlatte, L. Maynard Moe
1970-4-27
1222
Contra Costa
San Francisco Bay, Red Rock Island.
Comment
RSA181840
Spartina patens
Rolf Mall
1964-11-19
s.n.
Contra Costa
Southampton tidal marsh at head of Suisun Bay between Benicia and Vallejo, Contra Costa County
Comment
CAS-BOT-BC390104
Spergularia bocconi
Alice Eastwood
1921-4-18
10254
Contra Costa
Antioch
Comment
CDA24126
Spergularia macrotheca var. longistyla
D. G. Kelch
1992-3-21
1828 -A
Contra Costa
2.5 mi. SE of Byron; along RR tracks, N of junction of Holey Rd. and Byron Hwy.
0
Comment
UC1618134
Spergularia macrotheca var. macrotheca
Barbara Ertter
1994-6-18
12836
Contra Costa
at se corner of Whittell Marsh (at n end of Richmond, Point Pinole Regional Shoreline); Richmond, Point Pinole Regional Shoreline
Comment
UC1618131
Spergularia marina
Barbara Ertter
1994-5-17
12784
Contra Costa
Martinez, on waterfront Martinez
Comment
SFV1240
Spergularia marina
J. M. Tucker
1963-4-12
3687
Contra Costa
West side of Holey Road, 3 miles southeast of Byron.
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
RSA0098111
Spergularia rubra
Mary L. Bowerman
1975-4-19
s.n.
Contra Costa
Mount Diablo. Mitchell Canyon.
256
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
JEPS111061
Spiranthes romanzoffiana
Lee Echols
2003-7-20
s.n.
Contra Costa
Richmond Field Station, west-central portion of Danthonia grassland N of Lark Drive
15
Comment
POM215114
Stachys ajugoides
J. T. Howell
1932-10-16
10818
Contra Costa
Near San Ramon.
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
CDA29000
Stachys ajugoides var. rigida
D. G. Kelch
2006-5-7
6 .16
Contra Costa
Carquinez Strait.; Crockett. Upper Edward s Canyon.
Comment
UC691720
Stachys ajugoides var. rigida
Mary L. Bowerman
1932-5-6
1430
Contra Costa
Mitchell Canyon, at end of road Mount Diablo
251
Comment
CDA33902
Stachys pycnantha
Swan/Fonseca
2008-9-11
PDR# 1454523
Contra Costa
Concord; Pine Creek
0
Comment
JEPS112467
Stachys pycnantha
A. G. Murdock
2004-5-28
278
Contra Costa
Refugio Valley
120
Comment
UC2055616
Stachys pycnantha
Joseph Andorfer Ewan
1933-10-15
8035
Contra Costa
SW slope Mt. Diablo.
1066
Comment
CAS-BOT-BC374778
Stebbinsoseris heterocarpa
Alice Eastwood
1923-5-4
11714
Contra Costa
Mt Diablo
Comment
CAS-BOT-BC386942
Stellaria media
Mary L. Bowerman
1932-2-13
1085
Contra Costa
Alamo Canyon
365
Comment
UC2070629
Stellaria nitens
Barbara Ertter with Joanne Kerbavaz, David Gowen, Mike Park and Victoria Seidman
2004-4-20
18362
Contra Costa
Eagle Peak Trail on east side of Twin Peaks, north side of Mount Diablo.
Comment
UC692299
Stellaria pallida
Mary L. Bowerman
1933-3-18
1752
Contra Costa
Meridian Peak Mount Diablo (a little e of the meridian)
45
Comment
RSA0027947
Stephanomeria elata
Barbara Ertter
1997-9-14
15819
Contra Costa
Southwest side of Mount Diablo, Wall Point Road on ridge northwest of Wall Point.
Comment
UC691445
Stephanomeria virgata subsp. pleurocarpa
Mary L. Bowerman
1930-7-20
411
Contra Costa
near Silver Spring (by the road); Mount Diablo
Comment
UC2028380
Stipa lepida
Barbara Ertter
1998-6-20
16243 a
Contra Costa
Shell Ridge Open Space on NW side of Mount Diablo,below picnic ground at Old Borges Ranch
Comment
CHSC116631
Stipa pulchra
Lowell Ahart; Josephine Guardino
2016-4-19
29793
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides ot the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
SEINET10926660
Stipa pulchra
Frank W. Gould
1941-4-20
Gould 1281
Contra Costa
Coastal bluffs near Richmond, associated with Melica californica.
Comment
JEPS20857
Streptanthus albidus
W. L. Jepson
1899-4-19
13408
Contra Costa
Las Trampas Ridge
Comment
UC630661
Streptanthus albidus subsp. peramoenus
John L. Morrison and Lincoln Constance
1938-5-5
3030
Contra Costa
steep sw slope 2 mi outside N. entrance to Mt. Diablo State Park
Comment
UC10875
Streptanthus glandulosus subsp. glandulosus
Geological Survey
1862-6-16
1268
Contra Costa
Mt. Diablo range
975
Comment
UC691257
Streptanthus glandulosus subsp. glandulosus
Mary L. Bowerman
1935-4-22
2878
Contra Costa
North Road 2 mi from entrance; Mount Diablo
237
Comment
JEPS26993
Streptanthus hispidus
W. L. Jepson
1907-4-26
2641
Contra Costa
Mt. Diablo
Comment
RSA66600
Streptanthus hispidus
Annetta Carter
1935-6-1
880
Contra Costa
NW slope of Mount Diablo near summit;
1067
Comment
UC402742
Streptanthus hispidus
H. M. Hall
1916-5-31
10139
Contra Costa
w side Mt. Diablo
1097
Comment
UC592151
Streptanthus hispidus
H. L. Mason
1929-3-29
5120
Contra Costa
Mount Diablo
762
Comment
RSA721273
Stuckenia filiformis
Barbara Ertter
1996-5-11
14644
Contra Costa
North Gate Road at northwest base of Mount Diablo, Ticle Pond west of road toward Castle Rock.
Comment
SD211526
Stuckenia pectinata
Barbara Ertter, Lynn Hosley
1991-9-22
10824
Contra Costa
Lafayette Reservoir in hills Southwest of Lafayette, in water at East end of dam
136
Comment
UC2028384
Stuckenia pectinata
Barbara Ertter
1998-6-20
16254
Contra Costa
Shell Ridge Open Space on NW side of Mount Diablo, Willow Spring Pond south of Ginder Gap
Comment
RSA0027710
Stuckenia pectinata
Barbara Ertter, Chris Thayer
1996-10-25
15371
Contra Costa
Northwest flank of Mount Diablo. Tick Pond at arc of Falcon Road between North Gate Road and Castle Rock.
183
Comment
UCD163490
Stuckenia striata
D. Slakey; CNPS Volunteers
2015-9-12
223
Contra Costa
Junction Suisun Bay and New York Slough, between Browns Island and Pittsburg Marina.
0
Comment
UC2062677
Stuckenia striata
Barbara Ertter
2005-8-15
18624
Contra Costa
Antioch/Oakley Regional Shoreline, under south end of Antioch Bridge between Antioch and Oakley.
Comment
JEPS116497
Stylocline gnaphaloides
J. Greenhouse with John Game
2008-5-26
5128
Contra Costa
Lime Ridge Open Space, Paradise Canyon Trail above subdivision
Comment
CAS-BOT-BC422913
Stylomecon heterophylla
Alice Eastwood
1914-3-14
3770
Contra Costa
Byron Springs
Comment
JEPS51558
Stylomecon heterophylla
W. L. Jepson
1918-6-3
7589
Contra Costa
Donner Canyon Mt. Diablo; , Donner Canyon
685
Comment
RSA181407
Stylomecon heterophylla
James I. McMurphy
1910-4-9
s.n.
Contra Costa
Antioch.
Comment
UC692177
Stylomecon heterophylla
Mary L. Bowerman
1931-4-19
749
Contra Costa
Mitchell Canyon Mount Diablo; , Mitchell Canyon
Comment
CAS-BOT-BC422911
Stylomecon heterophylla
John Thomas Howell
1931-5-12
6480
Contra Costa
North side of Mt. Diablo
Comment
RSA446229
Stylomecon heterophylla
John Doyen, Glenn Gorelick
1966-4-22
s.n.
Contra Costa
Russelman Park. Mt. Diablo State Park.
Comment
UC1238003
Suaeda moquinii
John H. Weiler
1961-4-9
6173
Contra Costa
3 mi s Byron (e side of road)
Comment
UC1746042
Suaeda moquinii
Annetta M. Carter
1951-5-13
3056
Contra Costa
3.3 mi. S of Byron.
Comment
UC407387
Suaeda moquinii
Ira L. Wiggins
1930-4-17
4585
Contra Costa
Byron Hot Springs
Comment
UC651291
Suaeda moquinii
Ira L. Wiggins
1930-4-17
4585
Contra Costa
Byron Hot Springs
Comment
UC7235
Suaeda moquinii
T. J. Storer
Sep 1899
Contra Costa
Byron Springs
Comment
CAS-BOT-BC269561
Symphoricarpos albus var. laevigatus
Paul F. Covel
1936-4-19
207
Contra Costa
Las Trampas Cyn (Cashion Cn)
Comment
CAS-BOT-BC269563
Symphoricarpos albus var. laevigatus
Volney Rattan
1884-6-1
s.n.
Contra Costa
Unspecified
Comment
JEPS111776
Symphoricarpos mollis
D. G. Kelch
2005-5-1
05 .181
Contra Costa
Crockett - Edwards Canyon
150
Comment
CAS-BOT-BC97698
Symphyotrichum chilense
D. E. Breedlove
1969-10-18
16717
Contra Costa
along the roadbank on Reliez Valley Road at the junction with Gloria Terrace; Lafayette
Comment
JEPS81615
Symphyotrichum lentum
Walter Knight, L. R. Heckard and Bert Johnson
1978-9-29
3293
Contra Costa
South Landing Browns Island
Comment
UCD163492
Symphyotrichum lentum
D. Slakey; CNPS Volunteers
2015-9-12
225
Contra Costa
Browns Island, northern part of Crooked Slough.
0
Comment
CDA31087
Taeniatherum caput-medusae
D. G. Kelch, Troy McGregor; Ed Biffin
2010-6-1
10 .226
Contra Costa
Mt. Diablo. Knobcone Point Rd.
Comment
JEPS102017
Taeniatherum caput-medusae
Bob Case
2001-10-2
Contra Costa
Diablo Foothills Regional Park N of entrance to Castle Rock Recreation Area on W side of Castle Rock Road, just S of power line, mouth of Pine Canyon
Comment
UC691419
Tauschia hartwegii
Mary L. Bowerman
1933-4-26
1936
Contra Costa
North Peak Mount Diablo (ridge running se from the peak); , , ridge running se from peak
518
Comment
UCD102393
Tauschia hartwegii
Daniel Sanchez-Mata; M. P. Rodriguez-Rojo
2002-4-24
s.n.
Contra Costa
Mount Diablo State Park. Bald Ridge Trail. Bald Ridge.
890
Comment
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
UC169716
Tetrapteron graciliflorum
Katharine Brandegee
April 1889
Contra Costa
Antioch
Comment
UC1050827
Thalictrum dipterocarpum
N. Floy Bracelin
1942-6-29
2129
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
JEPS112059
Thalictrum fendleri var. polycarpum
D. G. Kelch
2004-5-2
04 .176
Contra Costa
Crockett - Edwards Canyon Edwards Canyon
68
Comment
RSA146152
Thinopyrum ponticum
T. C. Fuller
1961-9-13
7001
Contra Costa
Hwy J4, ca. 4 mi. s.e. of Byron
Comment
CAS-BOT-BC88258
Thysanocarpus curvipes
Robert F. Hoover
1935-3-10
309
Contra Costa
Antioch sand hills.
Comment
CDA1354
Thysanocarpus curvipes
D. G. Kelch
2004-3-13
4 .041
Contra Costa
Mt Diablo Region.; Road cut along Marsh Creek Rd about 1.5 miles W of Deer Valley Rd.
Comment
JEPS111849
Thysanocarpus curvipes
A. G. Murdock
2003-2-21
69
Contra Costa
Mt. Wanda - Martinez; northeastern area of Mount Wanda property
115
Comment
JEPS54181
Thysanocarpus curvipes
W. L. Jepson
1891-5-24
5 g
Contra Costa
Mt. Diablo
Comment
JEPS54205
Thysanocarpus curvipes
W. L. Jepson
May 22 1891-May 23 1891
5 h
Contra Costa
Mt. Diablo
Comment
JEPS75487
Thysanocarpus curvipes
P. F. Yorks
1974-4-19
135
Contra Costa
on Hampton Road ca 1.8 km s of Bear Creek Road in Hampton Road Natural Reserve (n of Briones Reservoir); , n of Briones Reservoir
180
Comment
SBBG29915
Thysanocarpus curvipes
L. S. Rose
1933-4-17
33096
Contra Costa
Antioch
Comment
UC691142
Thysanocarpus curvipes
Mary L. Bowerman
1933-5-17
2102
Contra Costa
branch of Curry Canyon due s of Olafson's barn Mount Diablo (w-facing bank just n of first fork of canyon); , branch of Curry Canyon
289
Comment
UC691143
Thysanocarpus curvipes
Mary L. Bowerman
1933-4-9
1842
Contra Costa
w fork Donner Canyon Mount Diablo (by trail, Mount Diablo)
Comment
UC691514
Tonella tenella
Mary L. Bowerman
1935-5-18
3023
Contra Costa
Mount Diablo; nw-facing slope across the road from, and a little e of, the parking area
1066
Comment
JEPS99480
Torilis arvensis
Mary Bowerman
1975-6-7
Contra Costa
Mount Diablo. Big Spring.
Comment
UC1818959
Torilis arvensis
Barbara Ertter, Kristin Ertter
1995-7-11
14480
Contra Costa
Pine Creek on West side of Mt. Diablo southwest of Walnut Creek; partial shade of oak forest, road along Pine Cr. in Diablo Foothills Regional Park
152
Comment
JEPS111629
Torilis nodosa
D. G. Kelch
2005-5-1
05 .201
Contra Costa
Crockett - Edwards Canyon
100
Comment
JEPS127668
Torilis nodosa
Barbara Ertter with David Gowen and Michael Park
2017-5-2
22816
Contra Costa
West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road.
Comment
JEPS63916
Toxicodendron diversilobum
W. L. Jepson
1931-4-5
15716
Contra Costa
Nortonville n.e. Contra Costa Co., Nortonville
Comment
UC17924
Toxicodendron diversilobum
W. H. Brewer
1862-5-10
1068
Contra Costa
near Clayton Clayton
Comment
JEPS111695
Tragopogon porrifolius
D. G. Kelch
2004-4-11
04 .74
Contra Costa
Crockett - Crolona Heights Hillside above Rolf Drive. Lower Crolona heights
15
Comment
JEPS65687
Trifolium albopurpureum
W. L. Jepson
1923-4-22
9860
Contra Costa
Mount Diablo
Comment
UC555617
Trifolium albopurpureum var. albopurpureum
H. L. Mason
1929-5-7
5261
Contra Costa
Moraga Ridge
Comment
UC1795830
Trifolium albopurpureum var. albopurpureum
Barbara Ertter, Chris Thayer
1995-4-25
13983
Contra Costa
Southeast side of Mt. Diablo northeast of Danville; Sycamore Canyon trail from Knobcone Point Rd., open grassland.
457
Comment
UC1795831
Trifolium albopurpureum var. albopurpureum
Barbara Ertter, Brad Olson, Diane Lake
1996-4-14
14588
Contra Costa
North Peak of Mt. Diablo; open rocky flats.
1097
Comment
UC147749
Trifolium albopurpureum var. dichotomum
Ivar Tidestrom
1895-4-13
Contra Costa
near Lafayette
Comment
RSA91071
Trifolium albopurpureum var. olivaceum
Alice Eastwood, John T. Howell
1936-4-19
2132
Contra Costa
Nortonville.
Comment
JEPS65682
Trifolium albopurpureum var. olivaceum
Willis L. Jepson
1891-6-9
13671
Contra Costa
Fish Ranch Berkeley Hills
Comment
UCSC008382
Trifolium amplectens
Randall Morgan
1996-4-2
2851
Contra Costa
North East side of Byron, Highway 17, North of Byron Hot Springs Road
Comment
SBBG29986
Trifolium bifidum var. decipiens
J. T. Howell
1933-5-14
11264
Contra Costa
hills E of St Mary's College
Comment
UC692243
Trifolium bifidum var. decipiens
Mary L. Bowerman
1933-5-21
2155
Contra Costa
s Curry Canyon (nera Grape Spring); Mount Diablo
Comment
UC1795834
Trifolium bifidum var. decipiens
Barbara Ertter, Chris Thayer
1995-4-25
13982
Contra Costa
Southeast side of Mt. Diablo northeast of Danville; Sycamore Canyon trail from Knobcone Point Rd., open grassland.
457
Comment
UC2027805
Trifolium bifidum var. decipiens
Barbara Ertter with Holly Forbes
1997-4-20
15551
Contra Costa
North base of Mount Diablo, roadside on trail to Back Creek from Mitchell Canyon trailhead.
Comment
UC692242
Trifolium bifidum var. decipiens
Mary L. Bowerman
1935-4-19
2872
Contra Costa
ca 7 mi w entrance (Northgate) (by rd, ridge w of the power poles, above the rd junction); Mount Diablo
670
Comment
UC692461
Trifolium ciliolatum
Mary L. Bowerman
1935-5-1
2931
Contra Costa
r mi from entrance (w rd); Mount Diablo
Comment
CHSC116610
Trifolium depauperatum var. amplectens
Lowell Ahart; Josephine Guardino
2016-4-19
20756
Contra Costa
Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 dmiles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton.
160
Comment
UC146911
Trifolium depauperatum var. amplectens
J. Burtt Davy
1897-4-17
Contra Costa
Point Isabel
Comment
UC165565
Trifolium depauperatum var. amplectens
Ivar Tidestrom
1895-4-13
Contra Costa
near Lafayette
Comment
UC165575
Trifolium depauperatum var. amplectens
J. Burtt Davy
Apr 7-8 1895
944
Contra Costa
Antioch
Comment
UC1819261
Trifolium depauperatum var. amplectens
Barbara Ertter, Mary Bowerman et al.
1995-5-7
14045
Contra Costa
Three Springs Trail on northeast side of Mt. Diablo southeast of Clayton, grassy flat, roadside vegetation, clay substrate.
Comment
UC33308
Trifolium depauperatum var. amplectens
W. C. Blasdale
1891-4-25
Contra Costa
Point Isabel
Comment
UC2070477
Trifolium depauperatum var. amplectens
Barbara Ertter
2003-3-28
18121
Contra Costa
Round Valley Regional Preserve, Fox Trail ca 1/8 mile west of junction with valley trail.
Comment
UC338048
Trifolium depauperatum var. depauperatum
Edw. L. Greene
1889-3-23
Contra Costa
Byron
Comment
UC630932
Trifolium depauperatum var. depauperatum
P. B. Kennedy
1928-4-19
10035 a
Contra Costa
Byron
Comment
UCD33428
Trifolium depauperatum var. depauperatum
Beecher Crampton
1968-3-27
8236 a
Contra Costa
SE corner of County, ca. 3.5 miles south of Byron.
Comment
JEPS65731
Trifolium depauperatum var. truncatum
W. L. Jepson
1917-4-14
6867
Contra Costa
Oakland Hills, near Redwood Peak
Comment Read comments Dec 17 2008
UC683346
Trifolium depauperatum var. truncatum
Edw. L. Greene
1895-4-7
Contra Costa
near Antioch
Comment
UC80338
Trifolium depauperatum var. truncatum
C. F. Baker
1903-4-27
2863
Contra Costa
Byron
Comment
POM18876
Trifolium depauperatum var. truncatum
Edward L. Greene
1903-4-27
2863
Contra Costa
Byron
Comment
UCD108394
Trifolium depauperatum var. truncatum
P. B. Kennedy
1929-4-21
10227
Contra Costa
Franklin Canyon Road from Concord Soldier's Monument.
Comment
UCD108800
Trifolium dichotomum
Mrs. Brandegee
1907-5-1
s.n.
Contra Costa
Antioch.
Comment
RSA0027401
Trifolium fragiferum
Barbara Ertter
1999-7-17
16764
Contra Costa
Wildcat Canyon Regional Park in East Bay Hills, Wildcat Creek Trail between Rifle Range Road and boundary with Tilden Regional Park.
Comment
UC16545
Trifolium fucatum
J. Burtt Davy
1895-4-7
959
Contra Costa
Antioch
Comment
UC419042
Trifolium fucatum
H. E. and S. T. Parks
1930-4-1
542
Contra Costa
along hwy (in ditches); San Ramone
Comment
UC631616
Trifolium fucatum
P. B. Kennedy
1928-4-28
10096
Contra Costa
2 mi from Tunnel (on hwy)
Comment
POM194649
Trifolium fucatum var. fucatum
Y. Mexia
1929-4-21
2369
Contra Costa
Moraga Valley.
Comment
JEPS125941
Trifolium glomeratum
D. W. Taylor
2001-4-26
17628
Contra Costa
Orinda; hill slopes ca 0.3 air miles E of the junction of Bear Creek Road and Camino Pablo
Comment
LA205246
Trifolium gracilentum
John Thomas Howell;
1933-5-14
11264
Contra Costa
E of St. Mary's College
Comment
SEINET12147995
Trifolium gracilentum
H. M. Hall
1901-1
1734
Contra Costa
Region of San Francisco Bay. Mt. Diablo
671
Comment
UC1819040
Trifolium hirtum
Barbara Ertter, Tony Morosco, Lynne Hosley
1995-5-29
14238
Contra Costa
South side Mount Diablo, road to Sheepherders Springs 1/2 mile north of Curry Point from Sloan Road, clay at edge of grassland/woodland.
426
Comment
RSA721591
Trifolium hirtum
Mary L. Bowerman
1995-5-21
s.n.
Contra Costa
Mount Diablo. Wall Pt. fire road perhaps 1/2 mile from South Gate Rd.
Comment
UC2028947
Trifolium hybridum
Barbara Ertter
2000-7-16
17391
Contra Costa
lower Pine Creek in Diablo Foothills Regional Park.
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
JEPS89577
Trifolium microcephalum
Dean W. Taylor
1992-4-16
12395
Contra Costa
s. Byron Hot Springs (in swale draining on e. margin <of TRS coordinates>); San Joaquin Valley, Clifton Court Forebay 7 1/2 USGS map
45
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
UC400151
Trifolium microdon
Ynes Mexia
1929-4-21
2380
Contra Costa
Moraga Valley
Comment
UC692248
Trifolium microdon
Mary L. Bowerman
1931-4-25
752
Contra Costa
2 mi from west entrance (=North Gate); Mount Diablo
Comment
UC1606302
Trifolium microdon
Barbara Ertter, Chris Thayer
1993-5-7
11711
Contra Costa
ca 1/2 mi n Vollmer (=Bald) Peak (east of Tilden Park, grazing land on lower slopes of Wildcat Canyon Rd); East Bay Municipal Utilities District land
Comment
UC16753
Trifolium obtusiflorum
W. H. Brewer
1862-4-30
1005
Contra Costa
Camp 69 Walnut Creek
Comment
UC692639
Trifolium obtusiflorum
Mary L. Bowerman
1935-5-25
3077
Contra Costa
Rhine Canyon Mount Diablo (side of gully containing streamlet)
914
Comment
CDA28014
Trifolium oliganthum
D. G. Kelch, A. G. Murdock
2005-3-25
5 .089
Contra Costa
Carquinez Strait Region; Pinole Peak. Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and north of Pinole Peak.
Comment
JEPS100109
Trifolium oliganthum
G. Smick
2003-3-25
GAS 85
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
UC16685
Trifolium oliganthum
J. Burtt Davy
1895-4-13
1002
Contra Costa
San Pablo Creek
Comment
UC692246
Trifolium oliganthum
Mary L. Bowerman
1931-4-5
680
Contra Costa
s Russelman Park; Mount Diablo
381
Comment
UC692644
Trifolium oliganthum
Mary L. Bowerman
1935-4-12
2811
Contra Costa
West Rd = North Rd Mount Diablo
182
Comment
RSA0027700
Trifolium oliganthum
Barbara Ertter, 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).
274
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
UC2029059
Trifolium subterraneum
Barbara Ertter with Kevin Hintsa et al.
2003-4-20
18159
Contra Costa
Secret Trail at head of Pine Canyon, west side of Mount Diablo
Comment
SJSU5771
Trifolium variegatum
C. O. Dudley
1966-4-16
Contra Costa
Reliez Valley, Briones Hills N of Lafayette
Comment
JEPS100108
Trifolium willdenovii
G. Smick
2003-3-25
GAS 81
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS75464
Trifolium willdenovii
P. F. Yorks
1975-4-27
383
Contra Costa
ca 1.9 km s Bear Creek Rd (on Hampton Rd, n of Briones Reservior); Hampton Rd Natural Reserve
200
Comment
UC555573
Trifolium willdenovii
H. L. Mason
1929-3-29
5132
Contra Costa
2 mi above Clayton (Marsh Creek Rd)
Comment
JEPS66076
Trifolium wormskioldii
W. L. Jepson
May 23 1891-May 24 1891
13655
Contra Costa
Mt. Diablo
Comment
CAS-BOT-BC521014
Trillium chloropetalum var. giganteum
J. D. Freeman; R. F. Freeman
1967-5-2
570
Contra Costa
Redwood grove 2 mi. SW of Moraga and 1 mi. S of Canyon P.O.
Comment
JEPS68957
Triphysaria eriantha subsp. eriantha
Edward Lee
1935-3-10
1289
Contra Costa
Kirker Pass, Donovan Road, west Watershed of Kirker Creek Kirker Pass; , Donovan Road
Comment
JEPS73687
Triphysaria eriantha subsp. eriantha
L. R. Heckard with Wm. Hirano and Ted Niehaus
1968-3-5
1756
Contra Costa
along Byron-Bethany road at junction of Holey Road about 3 mi se Byron
7
Comment
UC1046443
Triphysaria eriantha subsp. eriantha
Alex D. Hawkes and R. Bacigalupi
1951-4-21
4772
Contra Costa
meadow near Walnut Creek; meadow near Walnut Creek
Comment
JEPS15155
Triphysaria pusilla
C. M. Belshaw
1936-5-7
2046
Contra Costa
2 mi s San Ramon; Mt. Diablo Quad.
Comment
RSA0069384
Triphysaria pusilla
Katie Gallagher, Nick Jensen
2014-4-26
204
Contra Costa
Las Trampas Regional Wilderness.
487
Comment
CDA41897
Triphysaria versicolor subsp. faucibarbata
D. G. Kelch
2005-4-15
5 .145
Contra Costa
Carquinez Strait Region; Rodeo Creek. EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump).
Comment
CDA9474
Triteleia laxa
D. G. Kelch
2004-3-13
4 .039
Contra Costa
East Bay; Corner of Deer Valley Rd. and Briones Valley Rd.
Comment
JEPS58040
Triteleia laxa
W. L. Jepson
1923-4-22
9856
Contra Costa
vicinity San Francisco; Mt. Diablo
Comment
UC1555377
Triteleia laxa
Jerry Powell
1988-5-18
1539
Contra Costa
Point Molate west Richmond
Comment
CAS-BOT-BC522175
Triteleia laxa
John Thomas Howell
1931-5-12
6468
Contra Costa
Oakland Hills
Comment
CAS-BOT-BC526330
Triteleia laxa
Volney Rattan
1879-1-1
s.n.
Contra Costa
Antioch
Comment
CAS-BOT-BC67346
Tropidocarpum capparideum
Robert F. Hoover
1936-3-19
806
Contra Costa
Byron Hot Springs.
Comment
CAS-BOT-BC67411
Tropidocarpum gracile
Volney Rattan
s.n.
Contra Costa
Antioch.
Comment
CAS-BOT-BC67406
Tropidocarpum gracile
H. L. Mason
1929-3-31
5152
Contra Costa
Along San Joaquin River at Antioch.
Comment
JEPS123184
Tropidocarpum gracile
David Gowen
2009-5-12
1021
Contra Costa
East of Las Trampas Ridge on Del Amigo Trail, near saddle northeast of junction with Sulpher Springs Trail.
Comment
UC2070553
Tropidocarpum gracile
Barbara Ertter with David Gowen
2006-6-6
18675
Contra Costa
Upper San Leandro Reservoir Watershed (EBMUD) south of Moraga, on Rocky Ridge Tail.
Comment
UC2070653
Typha
Barbara Ertter
1998-11-15
16460
Contra Costa
North side Mount Olympia on north side Mount Diablo.
Comment
JEPS111915
Ulmus glabra
Dean G. Kelch and Andrew G. Murdock
2004-9-2
DGK 04 .341
Contra Costa
Martinez (Ozol) CA East of Ozol.
Comment
CAS-BOT-BC91089
Umbellularia californica
Mrs. H. C. Cantelow
1937-2-22
s.n.
Contra Costa
Mount Diablo.
Comment
JEPS112485
Umbellularia californica
D. G. Kelch
2004-3-5
04 .13
Contra Costa
Sky Ranch Dutra Fire Road. Franklin Canyon
90
Comment
SEINET3559460
Umbellularia californica
Lewis S. Rose
1933-10-22
33386
Contra Costa
Wildcat Canyon.
Comment
SEINET9340094
Umbellularia californica
Unknown
2007-3-24
07 .082
Contra Costa
Ozol
Comment
OBI13419
Umbellularia californica
H. E. McMinn, E. Maino
1931-2-15
13
Contra Costa
Leona Heights
Comment Read comments May 22 2013
SEINET5339125
Umbellularia californica
P. Del Monte
1976-3-28
s.n.
Contra Costa
Morgan territory road, 1 mile North of Curry Creek Park.
122
Comment
SEINET3150246
Uropappus lindleyi
T. S. Brandegee
sn
Contra Costa
Antioch
Comment
RSA0024903
Urtica
Peter Rubtzoff
1968-9-18
5963
Contra Costa
North Gate Road, ca. 5 miles northwest of Mt. Diablo State Park north entrance.
Comment
UC1050820
Verbascum olympicum
N. Floy Bracelin
1943-5-30
1352
Contra Costa
Adelante, The Garden of Anson and Anita Blake, Berkeley, California
Comment
UC2070590
Verbena bonariensis
Barbara Ertter
2005-8-18
18638
Contra Costa
Mudflats on SE side of San Pablo Reservoir in East Bay Hills, east of San Pablo Dam Road between San Pablo and Orinda.
Comment
UC454110
Verbena hastata
I. J. Condit
1908-8-20
Contra Costa
Oakley
Comment
JEPS81010
Verbena lasiostachys var. scabrida
Edward Lee
1936-12-12
2609
Contra Costa
just nw Berkeley Country club
Comment
UC2029170
Verbena lasiostachys var. scabrida
Barbara Ertter
2000-7-16
17409
Contra Costa
Pine Creek on WNW base of Mount Diablo.
Comment
UC2029171
Verbena lasiostachys var. scabrida
Barbara Ertter
2000-7-16
17409
Contra Costa
Pine Creek on WNW base of Mount Diablo.
Comment
UC691535
Verbena lasiostachys var. scabrida
Mary L. Bowerman
1930-6-28
393
Contra Costa
Lower Silver Spring: Edge of marshy spot.
Comment
UC691729
Verbena lasiostachys var. scabrida
Mary L. Bowerman
1930-6-22
371
Contra Costa
Deer Flat Spring.
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
UC1130189
Vicia americana var. americana
C. M. Belshaw
1936-5-12
2109
Contra Costa
3.7 mi ene Tassajero; Mt. Diablo Quad.
670
Comment
UC1586040
Vicia americana var. americana
Barbara Ertter with John Little
1989-4-2
8104
Contra Costa
n end Hillside Park, El Cerrito; El Cerrito
Comment
JEPS120288
Vicia disperma
Barbara Ertter with David Gowen
2012-6-9
21016
Contra Costa
lower Vollmer Peak Trail paralleling South Drive, southeastern Tilden Park in Berkeley Hills
Comment
CDA15246
Vicia villosa subsp. varia
G. F. Hrusa, D. Crowe
1998-5-8
14377
Contra Costa
Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River.
Comment
CHSC23353
Vicia villosa subsp. varia
Willis Ball
1975-4-19
526
Contra Costa
In area #3 ca. 75 yds nw of dam. On n facing slope.
60
Comment
JEPS50464
Viola pedunculata
W. L. Jepson
1917-4-14
6861
Contra Costa
summits near Redwood Peak (Oakland Hills); Oakland Hills
Comment
SJSU2616
Viola pedunculata
W. E. Ferguson
1942-4-25
Contra Costa
E base of Mt Diablo
304
Comment
UC2032828
Viola pedunculata
Doran, Andrew Scott
2012-3-20
698
Contra Costa
Second highest point on Brooks Island, rocky outcrop overlooking man-made spit.
Comment
UC581518
Viola pedunculata
A. E. Borell
1928-4-8
153
Contra Costa
Mount Diablo
Comment
UC422922
Viola purpurea subsp. quercetorum
E. W. Hicks
1917-3-25
109
Contra Costa
w shoulder of Mount Diablo
762
Comment
CAS-BOT-BC203038
Vitis californica
R. Bacigalupi
1922-9-24
s.n.
Contra Costa
Mitchell Canyon, Mt. Diablo
213
Comment
LA209893
Vitis californica
Joseph Andorfer Ewan;
1934-5-20
8936
Contra Costa
Mt. Diablo, Russelmann Park
Comment
SEINET10691471
Vitis californica
Adolph D. E. Elmer
Elmer 4955
Contra Costa
Mt. Diablo, Calf.
Comment
UC53386
Vulpia bromoides
J. Burtt Davy
Apr 1897
Contra Costa
Point Isabel
Comment
UC692390
Vulpia bromoides
Mary L. Bowerman
1935-5-16
3008 a
Contra Costa
e side North Peak, Mount Diablo (behind Gabriel-Hinks'); Mount Diablo
289
Comment
CAS-BOT-BC198756
Vulpia bromoides
Mary L. Bowerman
1935-5-16
3008
Contra Costa
Behind Gabriel-hinks', east side of North Peak in wooded gully - Mount Diablo
289
Comment
UCD93543
Vulpia bromoides
P. B. Kennedy
1914-3-15
4612
Contra Costa
Sunset Cemetary.
Comment
UCD36926
Vulpia microstachys var. ciliata
Beecher Crampton
1956-5-14
3420
Contra Costa
2 miles west of Martinez, on road to Crockett.
Comment
CAS-BOT-BC183076
Vulpia microstachys var. ciliata
Mary L. Bowerman
1933-5-8
2010
Contra Costa
Fossil Ridge near crest, on north side by road to pic-nic grounds
Comment
CAS-BOT-BC183727
Vulpia microstachys var. confusa
Mary L. Bowerman
1932-5-6
1429
Contra Costa
Mitchell Canyon
251
Comment
UC691234
Vulpia microstachys var. pauciflora
Mary L. Bowerman
1935-5-3
2958
Contra Costa
Sloan Road Sloan Road, Mount Diablo; Mount Diablo
487
Comment
UC691240
Vulpia microstachys var. pauciflora
Mary L. Bowerman
1933-5-3
1982
Contra Costa
Indian Ceremonial Canyon Mount Diablo (a little below and across the stream from the spring)
731
Comment
UC692307
Vulpia microstachys var. pauciflora
Mary L. Bowerman
1935-5-18
3027
Contra Costa
n of the summit parking lot Mount Diablo
1036
Comment
CAS-BOT-BC184190
Vulpia microstachys var. pauciflora
Mary L. Bowerman
1935-5-18
3027
Contra Costa
North of the summit parking area
1036
Comment
CAS-BOT-BC184194
Vulpia microstachys var. pauciflora
Peter H. Raven; G. Thomas Robbins
1956-4-28
9041
Contra Costa
Near Arlington Ave. and Kennelworth [Kenilworth] Drive, just south of El Cerrito
Comment
UCD32378
Vulpia microstachys var. pauciflora
Beecher Crampton
1950-4-22
520
Contra Costa
Contra Costa County, above site of Judsonville, above old Empire Coal Mine.
152
Comment
CDA31113
Vulpia myuros
D. G. Kelch, Troy McGregor; Ed Biffin
2010-6-1
10 .222
Contra Costa
Mt. Diablo. Knobcone Point Rd.
Comment
UCD94437
Vulpia myuros
A. A. Beetle
1941-3-28
1722
Contra Costa
near Orinda.
Comment
UCD94951
Vulpia myuros
W. E. Wood
1928-3-27
s.n.
Contra Costa
Wood Ranch. Mt. Diablo region.
Comment
CAS-BOT-BC184713
Vulpia myuros subsp. megalura
Mary L. Bowerman
1932-4-27
1380
Contra Costa
Oyster Ridge, south face, canyon west of Riggs Canyon
335
Comment
CAS-BOT-BC184715
Vulpia myuros subsp. megalura
Mary L. Bowerman
1933-5-2
1945
Contra Costa
Below Pioneer Camp
762
Comment
UC579855
Vulpia myuros var. hirsuta
Annetta Carter
1936-4-19
1118
Contra Costa
e side Red Rock; San Francisco Bay
Comment
UC692331
Vulpia myuros var. hirsuta
Mary L. Bowerman
1933-5-8
2025
Contra Costa
n of Rock City campground; Mount Diablo
Comment
UC692399
Vulpia myuros var. hirsuta
Mary L. Bowerman
1931-4-5
683
Contra Costa
Russelman Park; Mount Diablo
Comment
UC692404
Vulpia myuros var. hirsuta
Mary L. Bowerman
1932-4-16
1353
Contra Costa
n of Eagle Point (Eagle Point ridge); Mount Diablo
Comment
CAS-BOT-BC178557
Vulpia myuros var. myuros
Mary L. Bowerman
1935-4-19
2860
Contra Costa
Near Turtle Rock - Mount Diablo
457
Comment
UC766812
Vulpia octoflora var. hirtella
R. F. Hoover
1939-4-13
4021 a
Contra Costa
w branch Head of Markley Canyon
Comment
UC1789183
Washingtonia
Barbara Ertter, Tony Morosco
1998-10-18
16426
Contra Costa
Lime Ridge quarry area just south of Ygnacio Valley Road [area subsequently converted into housing development],
Comment
UC1780100
Woodwardia fimbriata
Rudolf Schmid and Mena J. Schmid
2003-3-4
2003 -12
Contra Costa
Hillside Natural Area, well into the first drainage NW of King Ct. entrance El Cerrito
167
Comment
UC1794992
Wyethia angustifolia
R. K. Brummitt and B. Ertter
1998-5-6
19795
Contra Costa
Point San Pablo, W of Richmond
20
Comment Read comments Aug 3 2013
SD58232
Wyethia angustifolia
W. L. Jepson
1922-5-15
9646
Contra Costa
North Berkley Hills
Comment
UC2027809
Wyethia angustifolia
Barbara Ertter with Holly Forbes
1997-4-20
15544
Contra Costa
North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead.
Comment
CAS-BOT-BC383367
Wyethia helenioides
John Thomas Howell
1933-5-14
11287
Contra Costa
Hills east of St. Mary's College
Comment
UC691737
Wyethia helenioides
Mary L. Bowerman
1931-6-2
913
Contra Costa
Mount Diablo , Gregory Ranch Road
Comment
CAS-BOT-BC383660
Xanthium spinosum
E. M. Zeile
1921-9-17
1109
Contra Costa
Rodeo
Comment
UC691367
Xanthium spinosum
Mary L. Bowerman
1930-8-31
439
Contra Costa
roadside near south entrance; Mount Diablo
Comment
UC691384
Xanthium spinosum
Mary L. Bowerman
1932-11-25
1668
Contra Costa
at head of spring Mount Diablo, Silver Spring
Comment
JEPS100067
Xanthium strumarium
A. Langston
2003-7-28
AL 77
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS37541
Xanthium strumarium
W. L. Jepson
1923-10-4
10213
Contra Costa
Sherman Island ferry Antioch Shore, Sherman Island ferry
Comment
UC1109005
Zannichellia palustris
H. L. Mason
October 1929
Contra Costa
Nortonville
Comment
SBBG93265
Zannichellia palustris
D. G. Nelson
1937-6-28
551
Contra Costa
half way between Clayton and Byron, Marsh Crk
Comment
SEINET5335466
Zannichellia palustris
N. L. Gardner
s.n.
Contra Costa
Richmond
Comment
JEPS111560
Zauschneria californica
A. G. Murdock
2003-9-12
197
Contra Costa
Selby. At Superfund overlook
37
Comment
JEPS128390
Zeltnera davyi
Kevin Hintsa
2000-6-6
Contra Costa
Mount Diablo State Park, Wall Point Road (100 yards west of Rock City).
Comment
JEPS120271
Zeltnera muehlenbergii
Barbara Ertter with David Gowen
2012-6-9
21024
Contra Costa
junction of Seaview Trail and road into EBMUD land north of Vollmer Peak, southeastern Tilden Park in Berkeley Hills
Comment
JEPS62255
Zigadenus fremontii
W. L. Jepson
1908-4-4
3004
Contra Costa
w branch San Pablo Creek
Comment