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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
JEPS36721
Achyrachaena mollis
Anna E. Ehlers
1920-5-23
582
Contra Costa
Trampas Canon
Comment
UC1084392
Achyrachaena mollis
G. Thomas Robbins
1937-4-25
145
Contra Costa
2 mi e Alamo
Comment
UC1127726
Adenostoma fasciculatum
R. W. Lundh
1933-2-1
199
Contra Costa
Las Trampas Ridge Concord Quad., Las Trampas Ridge
Comment
UC1093922
Alnus rhombifolia
Herbert L. Mason
1924-11-23
1159
Contra Costa
Las Trampas Ridge; via Cashion
Comment
CDA20558
Alternanthera philoxeroides
unknown
2005-6-23
s.n.
Contra Costa
San Francisco Bay Area; Garden weed in Danville, CA.
0
Comment
SEINET7085231
Althaea cannabina
Steven R. Hill
2010-7-19
38532
Contra Costa
Residence of Kristin Yanker-Hansen, 569 Contada Circle, Danville [94526]. Coordinate Datum: WGS84/NAD83.
122
Comment
JEPS20866
Amsinckia lunaris
W. L. Jepson
1899-4-19
21083
Contra Costa
Las Trampas Ridge
Comment
CAS-BOT-BC46935
Androsace elongata subsp. acuta
Mary L. Bowerman
1932-3-12
1116
Contra Costa
Alamo Canyon: 50' above the stream
365
Comment
CAS-BOT-BC46937
Androsace elongata subsp. acuta
Mary L. Bowerman
1932-3-12
1116
Contra Costa
Alamo Canyon, 50' above stream.
365
Comment
POM300727
Androsace elongata subsp. acuta
Mary L. Bowerman
1932-3-12
1116
Contra Costa
Alamo Canyon: 50 feet above stream.
366
Comment
UC1332419
Arctostaphylos
Edward Lee
1935-12-28
1704
Contra Costa
sw-facing gulch on w end of ridge Concord Quadrangle, Las Trampas Ridge
426
Comment
RSA40457
Arctostaphylos andersonii var. pallida
H. E. McMinn
1923-3-10
888
Alameda
Illegible
Comment
CAS-BOT-BC23598
Arctostaphylos crustacea
C. Hart Merriam
1919-8-24
s.n.
Contra Costa
Las Trampas Peak
Comment
CAS-BOT-BC24808
Arctostaphylos glandulosa subsp. glandulosa
C. Hart Merriam
1919-8-24
s.n.
Contra Costa
Las Trampas Peak.
Comment
JEPS38729
Arctostaphylos glauca
W. L. Jepson
1916-10-22
6853
Contra Costa
Las Trampas Ridge
Comment
CAS-BOT-BC42231
Arctostaphylos pallida
H. E. McMinn
1923-1-14
809 A
Alameda
Oakland Hills - Las Trampas Ridge via Redwood Canyon & Moraga
Comment
RSA202862
Arctostaphylos tomentosa subsp. crustacea
Edward Lee
1935-12-28
1704
Contra Costa
Western end of Las Trampas Ridge
Comment Read comments Jul 2 2011
RSA202863
Arctostaphylos tomentosa subsp. crustacea
Edward Lee
1935-12-28
1702
Contra Costa
Western end of Las Trampas Ridge
Comment Read comments Jul 2 2011
RSA202867
Arctostaphylos tomentosa subsp. crustacea
Edward Lee
1935-12-28
1703
Contra Costa
Western end of Las Trampas Ridge
Comment Read comments Jul 2 2011
UC1120189
Arctostaphylos tomentosa subsp. crustacea
R. W. Lundh
1932-8-27
151
Contra Costa
1 1/2 mi w Cave Point; Mount Diablo Quadrangle
502
Comment
UC1332417
Arctostaphylos tomentosa subsp. crustacea
Edward Lee
1935-12-28
1703
Contra Costa
sw slope on w end of ridge Concord Quadrangle, Las Tampas Ridge
426
Comment
UC1332418
Arctostaphylos tomentosa subsp. crustacea
Edward Lee
1935-12-28
1702
Contra Costa
sw slope on w end of ridge Concord Quadrangle, Las Tampas Ridge
426
Comment
UCD51867
Arctostaphylos tomentosa subsp. crustacea
Edward Lee
1935-12-28
1702
Contra Costa
Western end of Las Tampas Ridge, Contra Costa County.
426
Comment Read comments Jul 2 2011
UCD51869
Arctostaphylos tomentosa subsp. crustacea
Edward Lee
1935-12-28
1703
Contra Costa
western end of Las Trampas Ridge, Contra Costa County
426
Comment
UCD51336
Arctostaphylos tomentosa subsp. rosei
Edward Lee
1935-12-28
1704
Contra Costa
Western end of Las Trampas Ridge, Contra Costa County.
426
Comment
JEPS36967
Artemisia californica
W. L. Jepson
1916-10-22
6852 a
Contra Costa
Las Trampas Ridge southern Contra Costa County, Las Trampas Ridge
Comment
UC13412
Astragalus nuttallii var. nuttallii
Albert Kellogg
1866-7-4
Alameda
Comment
UC70185
Atriplex joaquinana
J. Burtt Davy
May 1898
Contra Costa
Danville region of Mount Diablo, Danville
Comment
UC1136330
Atriplex semibaccata
H. S. Yates
1934-9-2
4064
Contra Costa
1 mi ne Danville; Mt. Diablo Quad., ne of Danville
Comment
UC579840
Blennosperma nanum var. nanum
Annetta Carter
1937-3-7
1223
Contra Costa
one mile e Danville; Sycamore Valley
Comment
UC682126
Blennosperma nanum var. nanum
G. L. Stebbins Jr.
1942-2-8
3220
Contra Costa
1 mi e of, on road to Mt. Diablo Danville
Comment
UC691494
Blennosperma nanum var. nanum
Mary L. Bowerman
1932-3-12
1107
Contra Costa
field a little e of, s of Diablo Bret Harte Memomorial
Comment
UC762545
Blennosperma nanum var. nanum
R. F. Hoover
1938-2-27
2784
Contra Costa
Danville
Comment
POM204658
Bromus diandrus
Jos Burtt Davy
1898-04
4221
Alameda
Berkeley.
Comment
UC60202
Bromus hordeaceus
J. B. Davy
1898-1
Contra Costa
Mount Diablo Region, Danville Danville; Mount Diablo Region, Danville
Comment
RSA756341
Bromus sterilis
Barbara Ertter
1991-6-1
10081
Alameda
Las Trampas Regional Wilderness in hills west of Danville; Devil's Hole area on southwest corner of park.
305
Comment
UC2031422
Calochortus albus
Barbara Ertter
1991-6-1
10086
Contra Costa
Las Trampas Regional Wilderness in hills W of Danville, Elderberry Trail ca. 1/2 mi from trailhead
Comment
UC2031430
Calochortus luteus
Barbara Ertter
1991-6-1
10079
Contra Costa
Las Trampas Regional Wilderness in hills W of Danville
Comment
JEPS17793
Calochortus umbellatus
W. L. Jepson
1899-4-19
Contra Costa
Las Trampas Canyon
Comment
UC691651
Castilleja foliolosa
Mary L. Bowerman
1933-3-25
1762
Contra Costa
Diablo Stock Farm (Stone Valley) Canyon (= Emmons Canyon) Stone Valley; Mount Diablo
Comment
CAS-BOT-BC48839
Ceanothus cuneatus
C. H. M.
1919-8-24
s.n.
Contra Costa
Las Trampas Peak
Comment
UC1070932
Ceanothus cuneatus var. cuneatus
R. W. Lundh
1933-3-29
222
Contra Costa
1 mi w Alamo; Concord quad
Comment
CAS-BOT-BC51494
Ceanothus oliganthus var. sorediatus
C. H. M.
1919-8-24
s.n.
Contra Costa
Las Trampas Peak
Comment
CAS-BOT-BC63478
Ceanothus oliganthus var. sorediatus
H. E. McMinn
1922-5-30
1 a
Alameda
First ridge n. of college.
Comment
CDA35655
Centaurium tenuiflorum
Vince Guise
2011-7-8
PDR# 1649686
Contra Costa
San Ramon; 100 feet north of north end of Claremont Crest Way.
0
Comment
CDA35663
Centaurium tenuiflorum
Vince Guise
2011-8-2
PDR# 1649695
Contra Costa
San Ramon; 100 feet north of north end of Claremont Crest Way.
0
Comment
UC1069557
Centromadia parryi subsp. congdonii
H. S. Yates
1934-9-2
4072
Contra Costa
1 mi ne Danville; Mt. Diablo Quadrangle
Comment
UC523550
Centromadia parryi subsp. congdonii
David D. Keck
1933-11-2
2610
Contra Costa
Crow Creek Canyon Road 1/2 mi from turnoff San Ramon
Comment
UC990583
Centromadia parryi subsp. congdonii
James I. McMurphy
1909-9-24
Contra Costa
San Ramon
Comment
UC1119189
Cirsium cymosum var. cymosum
C. M. Belshaw
1936-5-7
2050
Contra Costa
2 mi n of Danville; Mt. Diablo Quadrangle
243
Comment
UC1057451
Claytonia perfoliata subsp. perfoliata
G. Thomas Robbins
1937-4-25
148
Contra Costa
2 mi e Alamo
Comment
UC1136717
Claytonia perfoliata subsp. perfoliata
R. C. Wilson
1935-3-12
121
Contra Costa
1.5 mi ne Danville; Mt. Diablo Quad.
198
Comment
RSA215990
Clematis lasiantha
Paul F. Covel
1938-6-26
1516
Contra Costa
Las Trampas Canyon (behind St Mary's)
Comment
UC691481
Cordylanthus pilosus subsp. pilosus
Mary L. Bowerman
1936-8-8
3523
Contra Costa
Emmons Canyon (Diablo Stock Farm [Wattis Ranch] Canyon, W fork Mount Diablo
Comment
UC691507
Cordylanthus pilosus subsp. pilosus
Mary L. Bowerman
1936-8-8
3523
Contra Costa
Emmons Canyon, W fork Mount Diablo
Comment
UC70200
Cressa truxillensis
J. Burtt Davy
May 1898
Contra Costa
region of Mt. Diablo, Danville
Comment
NY16715
Cupressus macnabiana
A. M. Ottley
1919-10-2
76
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
NY16799
Cupressus sargentii
H. L. Mason
1926-4-16
s.n.
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
NY16809
Cupressus sargentii
A. D. E. Elmer
05 1903
4487
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
NY16833
Cupressus sargentii
C. B. Wolf
1934-10-19
6202
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
NY16838
Cupressus sargentii
C. B. Wolf
1934-10-19
6202
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
NY16842
Cupressus sargentii
C. B. Wolf
1934-10-19
6201
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
NY16843
Cupressus sargentii
C. B. Wolf
1934-10-19
6201
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
NY99568
Cupressus sargentii
C. B. Wolf
1930-11-4
Herbarium No. 1802 -, Garden Field No. 1058
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
UC1076338
Dryopteris arguta
Herbert L. Mason
1924-11-23
1166
Contra Costa
via Cashion Creek Las Trampas Ridge
Comment
RSA108337
Elymus X gouldii
Frank W. Gould
1941-5-6
1288
Contra Costa
2.3 miles from Walnut Creek on Danville road.
Comment
UC2042945
Epilobium canum subsp. canum
Barbara Ertter with Laura Fujii
1989-10-29
8895
Contra Costa
Las Trampas Regional Wilderness W of Danville.
Comment
UC634754
Epilobium canum subsp. canum
H. L. Mason
1924-11-23
1169
Contra Costa
Las Trampas Ridge
Comment
JEPS79478
Equisetum hyemale subsp. affine
Edward Lee with C. Belshaw
1935-7-28
1700
Contra Costa
w. end Las Trampas Ridge
426
Comment
SJSU10471
Eragrostis curvula
R. V. Scott
1972-3-27
Contra Costa
5 mi NW of San Ramon
Comment
NY37757
Eryngium aristulatum var. parishii
R. V. Moran
16013 -s
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
NY37758
Eryngium constancei
M. Y. Sheikh
545
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment Read comments Feb 13 2014
NY32655
Erysimum teretifolium
A. D. E. Elmer
05 1903
5035
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment Read comments Apr 18 2018
JEPS87981
Eucrypta chrysanthemifolia
Barbara Ertter
1991-6-1
10078
Contra Costa
hills w Danville (e side of Wind Caves on Sycamore Trail to Devil's Hole); Las Trampas Regional Wilderness, Wind Caves
548
Comment
UC1618208
Eucrypta chrysanthemifolia var. chrysanthemifolia
Barbara Ertter
1991-6-1
10078
Contra Costa
hills w Danville (e side of Wind Caves on Sycamore Trail to Devil's Hole); Las Trampas Regional Wilderness, Wind Caves
548
Comment
SD6471
Fritillaria liliacea
Unknown
1880-1
Alameda
No further locality information given on label.
Comment
JEPS49754
Galium murale
Rimo Bacigalupi, and Alice Howard, and Paul Hutchison
1967-3-29
9222
Contra Costa
upper reaches of canyon Las Trampas Ridge, Bolinger Canyon (w slope of ridge)
381
Comment
CAS-BOT-BC200636
Garrya elliptica
C. H. M.
1919-8-24
s.n.
Contra Costa
Las Trampas Peak
Comment
JEPS69431
Gilia achilleifolia subsp. achilleifolia
W. L. Jepson
1899-4-19
15066
Contra Costa
Las Trampas Ridge
Comment
UC2031433
Helianthella castanea
Barbara Ertter
1991-6-1
10074
Contra Costa
Las Trampas Regional Wilderness in hills W of Danville
Comment
CAS-BOT-BC223917
Helianthemum scoparium
Mary L. Bowerman
1933-3-25
1775
Contra Costa
Mount Diablo. Emmons Canyon: (Diablo Stock Farm (Stone Valley) canyon)
Comment
UC1063893
Heliotropium curassavicum
H. S. Yates
1934-9-2
4073
Contra Costa
1 mi. n.e. Danville; Mt. Diablo Quad.
450
Comment
UC691497
Helminthotheca echioides
Mary L. Bowerman
1936-8-8
3524
Contra Costa
w fork Diablo Stock Farm Canyon (= Emmons Cayon, Wattis Ranch); Mount Diablo, Diablo Stock Farm (Wattis Ranch) Canyon, w for
Comment
UC990633
Hemizonia congesta subsp. luzulifolia
James I. McMurphy
1909-9-24
Contra Costa
roadside 1 mi n San Ramon
Comment
UC990639
Hemizonia congesta subsp. luzulifolia
James I. McMurphy
1909-9-24
Contra Costa
San Ramon
Comment
POM215122
Hemizonia parryi subsp. congdonii
D. D. Keck
1933-11-2
2610
Contra Costa
San Ramon, Crow Creek Canyon road, 0.5 miles from turnoff
Comment
JEPS33796
Hesperevax sparsiflora
W. L. Jepson
1925-4-26
10685
Contra Costa
grassy adobe hills by Green Valley (Mt. Diablo); Mt. Diablo
Comment
UC2031426
Heuchera micrantha
Barbara Ertter
1991-6-1
10082
Alameda
Las Trampas Regional Wilderness in hills W of Danville, Devils Hole area on SW corner of park
Comment
POM56184
Holocarpha macradenia
D. C. Michener, Bioletti
s.n.
Alameda
Alameda Co.
Comment
UC50661
Hordeum brachyantherum subsp. brachyantherum
Jos. Burtt Davy
1899-4-19
7850
Contra Costa
Las Trampas Ridge
Comment
UC50655
Hordeum depressum
Jos. Burtt Davy
May 1898
Contra Costa
Danville
Comment
UC1132529
Hordeum marinum subsp. gussoneanum
C. M. Belshaw
1936-5-7
2049
Contra Costa
2 mi s Danville; Mt. Diablo Quad.
Comment
UC55039
Hordeum marinum subsp. gussoneanum
Jos. Burtt Davy
1898-4-8
4253
Contra Costa
Danville
Comment
POM205088
Hordeum murinum subsp. glaucum
Jos Burtt Davy
1898-05
1730
Contra Costa
Danville
Comment
SEINET7085230
Lavatera olbia
Steven R. Hill
2010-7-19
38531
Contra Costa
Residence of Kristin Yanker-Hansen, 569 Contada Circle, Danville [94526]. Coordinate Datum: WGS84/NAD83.
122
Comment
JEPS21344
Lepidium dictyotum var. acutidens
J. Burtt Davy
May 1898
Contra Costa
Danville Mount Diablo Region
Comment
JEPS21345
Lepidium dictyotum var. acutidens
J. Burtt Davy
May 1898
Contra Costa
Danville Mount Diablo Region
Comment
JEPS53662
Lepidium latipes
Prof. E. L. Greene
Apr 1891
Alameda
Comment
UC765053
Lepidium nitidum
R. F. Hoover
1938-2-27
2786
Contra Costa
Danville
Comment
UC10608
Lepidium oxycarpum
J. Burtt Davy
1898-4-8
4263
Contra Costa
Danville
Comment
UC764785
Lepidium oxycarpum
R. F. Hoover
1938-2-27
2785
Contra Costa
Danville
Comment
UC2031424
Leptosiphon androsaceus
Barbara Ertter
1991-6-1
10085
Contra Costa
Las Trampas Regional Wilderness in hills W of Danville, Elderberry Trail ca. 1/2 mi from trailhead
Comment
RSA108362
Leymus triticoides
Frank W. Gould
1941-5-6
1286
Contra Costa
2.3 miles from Walnut Creek on Danville road.
Comment
UCD87591
Leymus triticoides
MacDonald
1915-8-1
s.n.
Alameda
Alameda County.
Comment
UCD87999
Leymus triticoides
H. S. Yates
1933-6-18
s.n.
Contra Costa
Near Danville.
137
Comment
UC2031434
Lonicera hispidula
Barbara Ertter
1991-6-1
10070
Contra Costa
Las Trampas Regional Wilderness in hills W of Danville
Comment
UC1129128
Lotus scoparius
R. W. Lundh
1932-8-27
150
Contra Costa
1.5 mi w Cave Point; Mt. Diablo Quad.
487
Comment
UC692275
Lupinus microcarpus var. densiflorus
Mary L. Bowerman
1931-4-18
735
Contra Costa
Green Valley Mount Diablo (Mount Diablo); , Green Valley
Comment
UCD89108
Melica torreyana
Western Logan
1915-1
s.n.
Alameda
Campus, above swimming pool.
Comment
UC70182
Microseris douglasii subsp. tenella
J. Burtt Davy
May 1898
Contra Costa
Danville Mount Diablo Region
Comment
UC691432
Microseris elegans
Mary L. Bowerman
1933-3-25
1763
Contra Costa
(Diablo Stock Farm) (Stone Valley) Canyon Mount Diablo
Comment
UC27116
Mimulus douglasii
H. M. Hall
1901-3-8
1632
Contra Costa
Bollinger Creek San Francisco Bay Region
Comment
UC584420
Munzothamnus blairii
unknown
Alameda
Univ. Calif. Hort. Genet.
Comment
UC60163
Nassella lepida
Jos. Burtt Davy
1899-4-9
7863
Contra Costa
Las Trampas Peak
Comment
UC60251
Nassella pulchra
Jos. Burtt Davy
1899-4-19
7864
Contra Costa
Las Trampas Peak
Comment
UCD87522
Nassella pulchra
J. B. Davy
1901-3-31
7026
Alameda
hills back of university.
Comment
UC2031450
Navarretia mellita
Barbara Ertter
1991-6-1
10084
Alameda
Las Trampas Regional Wilderness in hills W of Danville, Devils Hole area on SW corner of park
Comment
JEPS49756
Nemophila heterophylla
Rimo Bacigalupi, and Alice Howard, and Paul Hutchison
1967-3-29
9220
Contra Costa
on w slope Las Trampas Ridge Upper reaches Bolinger Canyon, w slope Las Trampas Ridge (Upper reaches of Bolinger Canyon)
381
Comment
UC1069152
Nemophila heterophylla
R. C. Wilson
1935-3-27
145
Contra Costa
1/2 mi s Cave Pt.; Mt. Diablo Quad., s of Cave Pt.
Comment
UC1949208
Nemophila parviflora var. parviflora
Barbara Ertter
1991-6-1
10083
Alameda
Las Trampas Regional Wilderness in hills W of Danville; Devils Hole area on SW corner of park
Comment
SEINET7085235
Pavonia hastata
Steven R. Hill
2010-7-19
38544
Contra Costa
Residence of Kristin Yanker-Hansen, 569 Contada Circle, Danville [94526]. Coordinate Datum: WGS84/NAD83.
122
Comment
JEPS10358
Pedicularis densiflora
W. L. Jepson
1923-2-18
9845
Contra Costa
Las Trampas Ridge
Comment
JEPS10410
Pedicularis densiflora
W. L. Jepson
1899-4-19
21287
Contra Costa
Las Trampas Ridge
Comment
UC691809
Perideridia oregana
Mary L. Bowerman
1936-8-8
3525
Contra Costa
Emmons Canyon Mount Diablo (w fork)
Comment
JEPS2351
Phacelia divaricata
W. L. Jepson
1899-4-19
21019
Contra Costa
Las Trampas Ridge
Comment
UC50714
Phalaris minor
J. Burtt Davy
1898-4-7
4258
Contra Costa
Danville; Region of Mount Diablo, Danville
Comment
UC1129854
Pickeringia montana var. montana
R. W. Lundh
1932-8-27
149
Contra Costa
1 1/2 mi w Cave Point; Mt. Diablo Quadrangle
487
Comment
A246915
Pinus attenuata
H. M. Hall
1901-3-23
1694
Unknown
E. of S. Leandro Creek, Oakland Hills, Cal.
Comment Read comments Feb 7 2021
GH246910
Pinus attenuata
H. M. Hall
1901-3-23
1694
Unknown
E. of S. Leandro Creek: Oakland Hills
Comment Read comments Jun 11 2012
NY34635
Pinus attenuata
J. G. Lemmon
04 1888
s.n.
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
NY61978
Pinus muricata
N. F. Bracelin
1941-10-19
1713
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment Read comments Jun 10 2012
NY61979
Pinus muricata
N. F. Bracelin
1941-10-19
1713
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment Read comments Jun 10 2012
NY62456
Pinus radiata
Mr. West
1949-12-20
s.n.
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
NY62460
Pinus radiata
E. Fritz
1937-9-9
8386
Alameda
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
JEPS60917
Plagiobothrys acanthocarpus
Mary L. Bowerman
1933-3-25
1761
Contra Costa
Diablo Stock Farm (Stone Valley) Canyon Mount Diablo (w fork)
Comment
UC691338
Plagiobothrys acanthocarpus
Mary L. Bowerman
1933-3-25
1761
Contra Costa
Diablo Stock Farm, Emmons Canyon, w fork Stone Valley Canyon Mount Diablo, Stone Valley Canyon, Emmons Canyon
Comment
UC1084390
Plagiobothrys bracteatus
G. Thomas Robbins
1937-4-25
149
Contra Costa
2 mi e Alamo
Comment
UC2042062
Plantago erecta
Katie Gallagher with Nick Jensen
2014-4-26
189
Contra Costa
Las Tramps Regional Wilderness.
Comment
UC691192
Poa annua
Mary L. Bowerman
1933-3-25
1764
Contra Costa
off Stone Valley Emmons Canyon; Mt. Diablo
Comment
JEPS79503
Polypodium calirhiza
Edward Lee with C. Belshaw
1935-12-28
1706
Contra Costa
Las Trampas Ridge Las Trampas Peak
441
Comment
UC1614416
Polypodium calirhiza
Charles M. Belshaw
1935-12-28
1427
Contra Costa
on trail above ranch house Las Trampas Ridge
Comment
CHSC20712
Quercus agrifolia
Robert A. Schlising
1962-4-7
2142
Alameda
Roadside, 1/2 mi W of County line along Crow Canyon Road.
Comment
UC1084391
Quercus agrifolia
G. Thomas Robbins
1937-4-25
147
Contra Costa
2 mi e Alamo (on road to Mt. Diablo)
Comment
UCD45026
Quercus agrifolia
Bob Rodin
1943-3-12
66
Alameda
Coast Live Oak. Common bush or tree in canyon and on ridges.
Comment
UCD46649
Quercus kelloggii
Bob Rodin
1943-8-7
305
Alameda
California Black Oak. On southern slope east of Bot. Gard.
Comment
JEPS37352
Quercus lobata
W. L. Jepson
1916-10-22
6852
Contra Costa
Las Trampas Ridge
Comment
UC70183
Ranunculus californicus
J. Burtt Davy
May 1898
Contra Costa
Danville Region of Mount Diablo
Comment
JEPS79401
Rhamnus californica
Edward Lee with C. Belshaw
1935-12-28
1705
Contra Costa
near Las Trampas Peak summit; Las Trampas Peak
502
Comment
CAS-BOT-BC55972
Rhamnus ilicifolia
H. E. McMinn
1922-6-1
127
Alameda
unspecified
Comment
UC692578
Rhus trilobata
Mary L. Bowerman
1933-3-25
1776
Contra Costa
Diablo Stock Farm (Stone Valley) Canyon; Mount Diablo
Comment
JEPS49753
Ribes californicum
Rimo Bacigalupi, and Alice Howard, and Paul Hutchison
1967-3-29
9223
Contra Costa
1/4 m above road leading to Nike Station (beside Bolinger Creek)
335
Comment
JEPS49349
Ribes malvaceum
W. L. Jepson
1923-2-18
9844
Contra Costa
Las Trampas Ridge
Comment
JEPS79400
Ribes malvaceum
Edward Lee with C. Belshaw
1935-12-28
1701
Contra Costa
w end Las Trampas Ridge
426
Comment
UC1614322
Ribes malvaceum
Charles M. Belshaw
1935-12-28
1422
Contra Costa
Las Trampas Ridge, on trail above ranch house Las Trampas Ridge
Comment
UC570821
Ribes malvaceum
Herbert L. Mason
1924-11-23
1168
Contra Costa
Las Trampas Ridge
Comment
UC555648
Rosa californica
Herbert L. Mason
1924-11-23
1167
Contra Costa
Cashion Canyon Las Trampas Ridge
Comment
POM140559
Rubus vitifolius
Joseph P. Tracy
1902-3-29
1326
Alameda
[Unspecified]
244
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
JEPS62735
Salvia mellifera
W. L. Jepson
1899-4
14949
Contra Costa
Las Trampas Ridge
Comment
UC1124790
Salvia mellifera
R. W. Lundh
1933-3-25
221
Contra Costa
1 mi w Alamo; Concord Quad.
213
Comment
CDA33500
Sesbania punicea
Slate
2010-7-6
PDR# 1649539
Contra Costa
Alamo; 155 Via Bonita
0
Comment
UC1070221
Silybum marianum
R. C. Wilson
1935-3-12
120
Contra Costa
1 1/2 mi ne Danville; Mt. Diablo Quad.
Comment
UC903066
Stachys ajugoides var. rigida
Ethel Crum
1932-10-16
1471
Contra Costa
3 mi nw San Ramon; San Ramon Valley
143
Comment
UC1125842
Stellaria media
R. C. Wilson
1935-3-12
12
Contra Costa
1.5 mi ne Danville; Mt. Diablo Quad.
198
Comment
JEPS20857
Streptanthus albidus
W. L. Jepson
1899-4-19
13408
Contra Costa
Las Trampas Ridge
Comment
UC2031428
Tauschia hartwegii
Barbara Ertter
1991-6-1
10080
Alameda
Las Trampas Regional Wilderness in hills W of Danville, Devils Hole area on SW corner of park
Comment
UC1607585
Trifolium ciliolatum
Barbara Ertter
1991-6-1
10077
Contra Costa
w Danville (in hills at n end of Rocky Ridge Trail); Las Trampas Regional Wilderness
548
Comment
UC70194
Trifolium fucatum
J. Burtt Davy
1898-5-1
Contra Costa
Region of Mount Diablo, Danville Danville; Region of Mount Diablo, Danville
Comment
UC70198
Trifolium fucatum
J. Burtt Davy
May 1898
Contra Costa
Danville region of Mount Daiblo
Comment
UC70197
Trifolium gracilentum
J. Burtt Davy
May 1898
Contra Costa
Danville
Comment
JEPS10670
Triphysaria eriantha subsp. eriantha
R. F. Hoover
1938-2-27
2783
Contra Costa
Danville
Comment
UC691565
Triphysaria eriantha subsp. eriantha
Mary L. Bowerman
1932-3-12
1108
Contra Costa
s of Diablo Mount Diablo (little e of Bret Harte Memorial); s of Mount Diablo
Comment
UC70188
Triphysaria eriantha subsp. eriantha
J. Burtt Davy
May 1898
Contra Costa
Danville; Region of Mount Diablo, Danville
Comment
JEPS49755
Triphysaria pusilla
Rimo Bacigalupi, and Alice Howard, and Paul Hutchison
1967-3-29
9221
Contra Costa
w slope Las Trampas Ridge (upper reaches of Bolinger Canyon); , w slope Las Trampas Ridge
381
Comment
UC1121614
Viola pedunculata
R. C. Wilson
1935-3-29
147
Contra Costa
1/2 mi s of Cave Pit
548
Comment
UC1354221
Xanthium strumarium
P. M. Ray
1962-9-2
Contra Costa
San Ramon, on Hwy. 21
Comment
JEPS49758
Zigadenus fremontii
Rimo Bacigalupi, and Alice Howard, and Paul Hutchison
1967-3-29
9218
Contra Costa
0.5 mi se head of Bolinger Canyon (in Bolinger Creek drainage, w slope of Las Trampas Ridge); Las Trampas Ridge, Bolinger Creek
390
Comment