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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CAS-BOT-BC100333
Blepharizonia plumosa
R. F. Hoover
1937-8-31
2704
Contra Costa
Pittsburg
Comment
CAS-BOT-BC100335
Blepharizonia plumosa
R. F. Hoover
1937-9-2
2708
Contra Costa
Walnut Creek
Comment
CAS-BOT-BC100336
Blepharizonia plumosa
R. F. Hoover
1937-9-2
2711
Contra Costa
1 mi. w. of Antioch
Comment
CAS-BOT-BC100338
Blepharizonia plumosa
R. F. Hoover
1937-9-2
2708
Contra Costa
Walnut Creek
Comment
CAS-BOT-BC100704
Blennosperma nanum var. nanum
Robert F. Hoover
1938-2-21
2750
Contra Costa
Byron Hot Springs
Comment
CAS-BOT-BC127914
Blepharizonia laxa
R. F. Hoover
1937-9-2
2710
Contra Costa
1 mi. s. of Pittsburg
Comment
CAS-BOT-BC130353
Fritillaria liliacea
Robert F. Hoover
1938-3-8
2819
Contra Costa
Berkeley Country Club
Comment
CAS-BOT-BC132490
Calochortus pulchellus
R. F. Hoover
1968-5-16
11092
Contra Costa
Upper Marsh Creek
Comment
CAS-BOT-BC132494
Calochortus pulchellus
R. F. Hoover
1968-5-16
11092
Contra Costa
Upper Marsh Creek
Comment
CAS-BOT-BC132497
Calochortus pulchellus
R. F. Hoover
1968-5-16
11092
Contra Costa
Upper Marsh Creek
Comment
CAS-BOT-BC167429
Hesperolinon breweri
Robert F. Hoover
1939-5-20
4106
Contra Costa
Head of Markley Canyon
Comment
CAS-BOT-BC17041
Delphinium recurvatum
R. F. Hoover
1967-4-28
10511
Contra Costa
Byron Hot Springs.
Comment
CAS-BOT-BC177884
Astragalus didymocarpus var. didymocarpus
Robert Hoover
1935-3-10
308
Contra Costa
Kirker Pass
Comment
CAS-BOT-BC222458
Amsinckia lunaris
R. F. Hoover
1939-4-24
4058
Contra Costa
Lower end of San Pablo Reservoir
Comment
CAS-BOT-BC222463
Amsinckia lunaris
Robert F. Hoover
1939-5-20
4105
Contra Costa
Lower end of San Pablo Reservoir
Comment
CAS-BOT-BC222465
Amsinckia lunaris
Robert F. Hoover
1939-4-24
4058
Contra Costa
Lower end of San Pablo Reservoir
Comment
CAS-BOT-BC223916
Helianthemum scoparium
Robert F. Hoover
1939-5-20
4108
Contra Costa
Head of Markley Canyon
Comment
CAS-BOT-BC233993
Calandrinia breweri
R. F. Hoover
1939-4-13
4019
Contra Costa
Head of Markley Canyon (west branch)
Comment
CAS-BOT-BC233994
Calandrinia breweri
R. F. Hoover
1939-4-13
4019
Contra Costa
Head of Markley Canyon (west branch)
Comment
CAS-BOT-BC250385
Eriogonum gracile
Robert F. Hoover
1940-11-23
4695
Contra Costa
Two miles west of Byron
Comment
CAS-BOT-BC253092
Eriogonum roseum
R. F. Hoover
1940-11-30
4699
Contra Costa
2 mi. S of Antioch
Comment
CAS-BOT-BC253093
Eriogonum roseum
R. F. Hoover
1940-11-30
4699
Contra Costa
2 mi. south of Antioch
Comment
CAS-BOT-BC279193
Centromadia pungens subsp. pungens
R. F. Hoover
1967-4-28
10515
Contra Costa
Byron Hot Springs
Comment
CAS-BOT-BC306266
Hemizonia congesta subsp. lutescens
R. F. Hoover
1969-9-1
11568
Contra Costa
Between San Pablo and Pinole
Comment
CAS-BOT-BC314857
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1937-9-2
s.n.
Contra Costa
Walnut Creek
Comment
CAS-BOT-BC314858
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1937-9-2
2709
Contra Costa
Walnut Creek
Comment
CAS-BOT-BC314873
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1939-4-25
4061
Contra Costa
Richmond Hills
Comment
CAS-BOT-BC320252
Holocarpha obconica
R. F. Hoover
1965-9-24
9649
Contra Costa
Foothills west of Byron, between Kellogg and Marsh Creeks
Comment
CAS-BOT-BC323910
Layia chrysanthemoides
R. F. Hoover
1967-4-28
10506
Contra Costa
Byron Hot Springs
Comment
CAS-BOT-BC324486
Madia radiata
R. F. Hoover
1938-3-25
2898
Contra Costa
Lone Tree Valley
Comment
CAS-BOT-BC324617
Holocarpha virgata
R. F. Hoover
1965-9-24
9648
Contra Costa
Foothills west of Byron east of Kellogg Creek
Comment
CAS-BOT-BC353330
Lasthenia fremontii
R. F. Hoover
1967-4-28
10512
Contra Costa
Byron Hot Springs.
Comment
CAS-BOT-BC353333
Lasthenia fremontii
Robert F. Hoover
1937-5-14
2118
Contra Costa
Byron Hot Springs.
Comment
CAS-BOT-BC370788
Lasthenia platycarpha
R. F. Hoover
1967-4-28
10505
Contra Costa
Byron Hot Springs
Comment
CAS-BOT-BC37395
Cardamine californica
Robert Francis Hoover
1938-2-21
2754
Contra Costa
Point Richmond.
Comment
CAS-BOT-BC390238
Spergularia macrotheca var. leucantha
R. F. Hoover
1967-4-28
10514
Contra Costa
Byron Hot Springs
Comment
CAS-BOT-BC40772
Erysimum capitatum
Robert F. Hoover
1935-3-10
305
Contra Costa
Antioch.
Comment
CAS-BOT-BC422921
Stylomecon heterophylla
R. F. Hoover
1968-5-16
11091
Contra Costa
Upper Marsh Creek.
Comment
CAS-BOT-BC67346
Tropidocarpum capparideum
Robert F. Hoover
1936-3-19
806
Contra Costa
Byron Hot Springs.
Comment
CAS-BOT-BC67347
Tropidocarpum capparideum
Robert F. Hoover
1936-3-19
806
Contra Costa
Byron Hot Springs.
Comment
CAS-BOT-BC67348
Tropidocarpum capparideum
Robert F. Hoover
1937-4-3
1733
Contra Costa
Tracy.
Comment
CAS-BOT-BC88258
Thysanocarpus curvipes
Robert F. Hoover
1935-3-10
309
Contra Costa
Antioch sand hills.
Comment
CAS-BOT-BC88259
Thysanocarpus curvipes
Robert F. Hoover
1935-3-10
310
Contra Costa
Antioch sand dunes.
Comment
CAS-BOT-BC88705
Lepidium acutidens
R. F. Hoover
1967-4-28
10507
Contra Costa
Byron Hot Springs.
Comment
JEPS10670
Triphysaria eriantha subsp. eriantha
R. F. Hoover
1938-2-27
2783
Contra Costa
Danville
Comment
JEPS11158
Castilleja rubicundula subsp. lithospermoides
R. F. Hoover
1939-4-25
4064
Contra Costa
Richmond hills* Richmond hills; Richmond
Comment
JEPS12596
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1939-4-25
4061
Contra Costa
Richmond Hills
Comment
JEPS12597
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1937-9-2
2709
Contra Costa
Walnut Creek
Comment
JEPS13446
Layia chrysanthemoides
R. F. Hoover
1939-4-25
4065
Contra Costa
Richmond Hills
Comment
JEPS13502
Layia glandulosa
Robert F. Hoover
1935-3-10
315
Contra Costa
Antioch
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
JEPS17268
Lasthenia glabrata subsp. glabrata
R. F. Hoover
1936-4-16
974
Contra Costa
e slope Bald Peak
Comment
JEPS18817
Blepharizonia plumosa
R. F. Hoover
1937-9-2
2711
Contra Costa
1 mi w Antioch
Comment
JEPS18818
Blepharizonia plumosa
R. F. Hoover
1937-9-2
2708
Contra Costa
Walnut Creek
Comment
JEPS18819
Blepharizonia laxa
R. F. Hoover
1937-9-2
2710
Contra Costa
1 mi s of Pittsburg
Comment
JEPS18823
Blepharizonia plumosa
R. F. Hoover
1937-8-31
2704
Contra Costa
Pittsburg
Comment
JEPS18824
Blepharizonia plumosa
R. F. Hoover
1935-9-7
715
Contra Costa
Walnut Creek
Comment
JEPS20577
Lessingia pectinata var. tenuipes
R. F. Hoover
1940-11-23
4696
Contra Costa
2 mi w Byron
Comment
JEPS20865
Amsinckia lunaris
R. F. Hoover
1938-4-20
3178
Contra Costa
lower end San Pablo Reservoir
Comment
JEPS21041
Helianthella castanea
R. F. Hoover
1939-4-13
4014
Contra Costa
head of west branch Markley Canyon
Comment
JEPS2229
Phacelia californica
R. F. Hoover
1938-2-21
2753
Contra Costa
Point Richmond
Comment
JEPS2399
Phacelia distans
R. F. Hoover
1937-5-14
2116
Contra Costa
Antioch sand-dunes
Comment
JEPS2467
Heterotheca sessiliflora subsp. echioides
R. F. Hoover
1939-4-25
4060
Contra Costa
Richmond hills Richmond
Comment
JEPS25509
Amsinckia tessellata var. tessellata
R. F. Hoover
1938-3-25
2894
Contra Costa
Markley Canyon
Comment
JEPS32004
Wyethia helenioides
R. F. Hoover
1939-4-13
4016
Contra Costa
w branch Head of Markley Canyon
Comment
JEPS32259
Balsamorhiza deltoidea
R. F. Hoover
1939-4-13
4015
Contra Costa
head of Markley Canyon (w branch) Markley Canyon
Comment
JEPS33983
Blennosperma nanum var. nanum
R. F. Hoover
1938-2-21
2750
Contra Costa
Byron Hot Springs
Comment
JEPS34922
Monolopia major
R. F. Hoover
1938-3-25
2899
Contra Costa
Lone Tree Valley
Comment
JEPS35603
Microseris douglasii subsp. tenella
R. F. Hoover
1939-4-25
4062
Contra Costa
Richmond hills Richmond
Comment
JEPS36137
Microseris douglasii subsp. douglasii
R. F. Hoover
1937-5-14
2109
Contra Costa
Franklin Creek Valley
Comment
JEPS36614
Malacothrix coulteri
R. F. Hoover
1935-3-10
382
Contra Costa
Kirker Pass
Comment
JEPS37545
Cotula coronopifolia
R. F. Hoover
1935-3-10
302
Contra Costa
Nortonville
Comment
JEPS40446
Pluchea odorata var. odorata
R. F. Hoover
1937-8-31
2703
Contra Costa
Avon
Comment
JEPS40605
Micropus californicus var. californicus
R. F. Hoover
1936-4-16
972
Contra Costa
e slope Bald Peak
Comment
JEPS5529
Delphinium recurvatum
R. F. Hoover
1938-3-25
2900
Contra Costa
Byron Hot Springs
Comment
JEPS6745
Madia radiata
R. F. Hoover
1941-4-12
4836
Contra Costa
1 mi n Lone Tree Valley
Comment Read comments Aug 21 2017
JEPS73768
Nassella pulchra
R. F. Hoover
1936-3-19
807
Contra Costa
Byron Hot Springs
Comment
JEPS7400
Madia radiata
R. F. Hoover
1938-3-25
2898
Contra Costa
Lone Tree Valley
Comment
LA204485
Tropidocarpum capparideum
Robert F. Hoover;
1936-3-19
806
Contra Costa
Byron Hot Springs
Comment
NY216671
Allenrolfea occidentalis
R. F. Hoover
1937-8-31
2707
Contra Costa
Byron Hot Springs.
Comment
NY31019
Blennosperma californicum
R. F. Hoover
1938-2-21
2750
Contra Costa
Byron Hot Springs
Comment
OBI10513
Ceanothus gloriosus var. exaltatus
Robert F. Hoover
1962-3-23
8541
Contra Costa
Cultivated in Tilden park botanic garden. Originally from 11 mi S of Guerneville (8 mi W of Sebastopol, Sonoma Co)
Comment
OBI10610
Delphinium recurvatum
Robert F. Hoover
1967-4-28
10511
Contra Costa
Byron Hot Springs
Comment
OBI11666
Plantago elongata
Robert F. Hoover
1967-4-28
10516
Contra Costa
Byron Hot Springs
Comment
OBI11669
Plantago elongata
Robert F. Hoover
1967-4-28
10516 a
Contra Costa
Byron Hot Springs
Comment
OBI11697
Papaver heterophyllum
Robert F. Hoover
1968-5-16
11091
Contra Costa
Upper Marsh Crk
Comment
OBI12566
Limnanthes douglasii subsp. rosea
Robert F. Hoover
1936-3-19
809
Contra Costa
Byron Hot Springs
Comment
OBI12577
Limnanthes douglasii subsp. rosea
Robert F. Hoover
1967-4-28
10508
Contra Costa
Byron Hot Springs
Comment
OBI13587
Pogogyne zizyphoroides
Robert F. Hoover
1967-4-28
10504
Contra Costa
Byron Hot Springs
Comment
OBI14749
Arctostaphylos densiflora
Robert F. Hoover
1962-3-23
8540
Contra Costa
cultivated in Tilden Park Botanic Garden. Propagated from near Vine HIll School, Sonoma co.
Comment
OBI15025
Lepidium acutidens
Robert F. Hoover
1967-4-28
10507
Contra Costa
Byron Hot Springs
Comment
OBI15877
Layia chrysanthemoides
Robert F. Hoover
1967-4-28
10506
Contra Costa
Byron Hot Springs
Comment
OBI16238
Hemizonia congesta subsp. lutescens
Robert F. Hoover
1969-9-1
11568
Contra Costa
Between San Pablo and Pinole
Comment
OBI17382
Spergularia macrotheca
Robert F. Hoover
1967-4-28
10514
Contra Costa
Byron Hot Springs
Comment
OBI18127
Centromadia pungens subsp. pungens
Robert F. Hoover
1967-4-28
10515
Contra Costa
Byron Hot Springs
Comment
OBI20600
Plagiobothrys stipitatus var. micranthus
Robert F. Hoover
1967-4-28
10513
Contra Costa
Byron Hot Springs
Comment
OBI20604
Plagiobothrys stipitatus var. micranthus
Robert F. Hoover
1967-4-28
10510
Contra Costa
Byron Hot Springs
Comment
OBI20959
Downingia insignis
Robert F. Hoover
1967-4-28
10503
Contra Costa
Byron Hot Springs
Comment
OBI21346
Calochortus pulchellus
Robert F. Hoover
1968-5-16
11092
Contra Costa
Upper Marsh Creek
Comment
OBI7573
Abies bracteata
Robert F. Hoover
1964-4-5
8664
Contra Costa
Cultivated in Tilden Park botanic Garden
Comment
POM311159
Tropidocarpum capparideum
Robert F. Hoover
1936-3-19
806
Contra Costa
Byron Hot Springs
Comment
RSA41158
Clarkia unguiculata
Robert F. Hoover
1937-5-14
2110
Contra Costa
Antioch sand-dunes
Comment
RSA41191
Boisduvalia glabella
Robert F. Hoover
1937-5-19
2119
Contra Costa
Byron Hot Springs
Comment
RSA41303
Camissonia micrantha
Robert F. Hoover
1935-3-10
314
Contra Costa
Antioch sand-dunes
Comment
RSA41319
Oenothera deltoides subsp. howellii
Robert F. Hoover
1937-5-14
2112
Contra Costa
Antioch sand-dunes
Comment
RSA498006
Adenostoma fasciculatum
Robert F. Hoover
1939-04
20470
Contra Costa
Head west branch Markley Canyon
305
Comment
SEINET196591
Fritillaria liliacea
Robert F. Hoover
1938-3-8
2819
Contra Costa
Berkeley Country Club.
Comment
UC1314933
Delphinium recurvatum
R. F. Hoover
1967-4-28
10511
Contra Costa
Byron Hot Springs
Comment
UC1314947
Lasthenia platycarpha
R. F. Hoover
1967-4-28
10505
Contra Costa
Byron Hot Springs
Comment
UC1314951
Lasthenia fremontii
R. F. Hoover
1967-4-28
10512
Contra Costa
Byron Hot Springs
Comment
UC1314969
Plantago elongata
R. F. Hoover
1967-4-28
10516
Contra Costa
Byron Hot Springs
Comment
UC1314970
Plantago elongata
R. F. Hoover
1967-4-28
10516 a
Contra Costa
Byron Hot Springs
Comment
UC1315007
Layia chrysanthemoides
R. F. Hoover
1967-4-28
10506
Contra Costa
Byron Hot Springs
Comment
UC1315008
Downingia insignis
R. F. Hoover
1967-4-28
10503
Contra Costa
Byron Hot Springs
Comment
UC1357605
Centromadia parryi subsp. congdonii
R. F. Hoover
1966-8-31
9943
Contra Costa
e Danville
Comment
UC1357613
Holocarpha virgata subsp. virgata
R. F. Hoover
1965-9-24
9648
Contra Costa
foothills w, e of Kellogg Creek Byron
Comment
UC1357615
Holocarpha obconica
R. F. Hoover
1965-9-24
9649
Contra Costa
foothills w Byron (between Kellogg and Marsh Creeks)
Comment
UC1392954
Hemizonia congesta subsp. lutescens
R. F. Hoover
1969-9-1
11568
Contra Costa
between San Pablo and Pinole
Comment
UC1988939
Pogogyne zizyphoroides
R. F. Hoover
1941-4-12
4842
Contra Costa
2 mi S of Antioch
Comment
UC596244
Blepharizonia plumosa
R. F. Hoover
1937-8-31
2704
Contra Costa
Pittsburg
Comment
UC596346
Cryptantha decipiens
R. F. Hoover
1938-5-4
3347
Contra Costa
Peak east of Tassajero Creek
Comment
UC596370
Nemophila pedunculata
R. F. Hoover
1938-3-5
2816
Contra Costa
mouth of Kirker Creek Canyon
Comment
UC596401
Tropidocarpum capparideum
R. F. Hoover
1936-3-19
806
Contra Costa
Byron Hot Springs
Comment
UC596470
Delphinium nudicaule
R. F. Hoover
1938-5-4
3340
Contra Costa
Marsh Creek canyon
Comment
UC618200
Dichelostemma capitatum
R. F. Hoover
1938-2-21
2756
Contra Costa
Point Richmond
Comment
UC618925
Monolopia major
R. F. Hoover
1935-3-10
311
Contra Costa
Kirker Pass
Comment
UC618928
Monolopia major
R. F. Hoover
1938-3-25
2899
Contra Costa
Lone Tree Valley
Comment
UC737822
Eriogonum luteolum var. luteolum
R. F. Hoover
1940-11-23
4693
Contra Costa
8 mi e on Marsh Creek Road Clayton
Comment
UC761804
Madia radiata
R. F. Hoover
1938-3-25
2898
Contra Costa
Lone Tree Valley
Comment
UC761853
Blepharizonia plumosa
R. F. Hoover
1935-9-7
715
Contra Costa
Walnut Creek
Comment
UC761860
Layia glandulosa
R. F. Hoover
1935-3-10
315
Contra Costa
Antioch
Comment
UC761861
Layia gaillardioides
R. F. Hoover
1936-4-16
973
Contra Costa
e slope of Bald Peak
Comment
UC761862
Layia chrysanthemoides
R. F. Hoover
1939-4-25
4065
Contra Costa
Richmond Hills
Comment
UC761865
Blepharizonia plumosa
R. F. Hoover
1937-9-2
2708
Contra Costa
Walnut Creek
Comment
UC761866
Blepharizonia laxa
R. F. Hoover
1937-9-2
2710
Contra Costa
1 mi s of Pittsburg
Comment
UC761928
Lessingia pectinata var. tenuipes
R. F. Hoover
1940-11-23
4696
Contra Costa
2 mi w Byron
Comment
UC761940
Balsamorhiza deltoidea
R. F. Hoover
1939-4-13
4015
Contra Costa
head of Markley Canyon, (w branch) Markeley Canyon
Comment
UC761942
Helianthella castanea
R. F. Hoover
1939-4-13
4014
Contra Costa
head (west branch) Markeley Canyon
Comment
UC761971
Eriogonum angulosum
R. F. Hoover
1937-9-2
2713
Contra Costa
4 mi n Antioch
Comment
UC761988
Pluchea odorata var. odorata
R. F. Hoover
1937-8-31
2703
Contra Costa
Avon
Comment
UC762022
Amsinckia lunaris
R. F. Hoover
1938-4-20
3178
Contra Costa
lower end San Pablo Resevoir
Comment
UC762046
Lasthenia fremontii
R. F. Hoover
1937-5-14
2118
Contra Costa
Byron Hot Springs
Comment
UC762051
Phacelia distans
R. F. Hoover
1937-5-14
2116
Contra Costa
Antioch sand-dunes
Comment
UC762065
Phacelia californica
R. F. Hoover
1938-2-21
2753
Contra Costa
Point Richmond
Comment
UC762084
Amsinckia lunaris
R. F. Hoover
1939-4-24
4058
Contra Costa
lower end of San Pablo Resevoir
Comment
UC762105
Amsinckia lunaris
R. F. Hoover
1939-5-20
4105
Contra Costa
lower end of San Pablo Resevoir
Comment
UC762113
Pogogyne zizyphoroides
R. F. Hoover
1941-4-12
4842
Contra Costa
2 miles S of Antioch
Comment
UC762183
Acer macrophyllum
R. F. Hoover
1938-5-4
3345
Contra Costa
peak e Tassajero Creek (canyon slope); Peak e of Tassajero Creek (canyon slope)
Comment
UC762242
Erodium macrophyllum
R. F. Hoover
1941-4-12
4838
Contra Costa
1 mi n Lone Tree Valley
Comment
UC762255
Ceanothus oliganthus var. sorediatus
R. F. Hoover
1941-4-12
4843
Contra Costa
w branch of San Pablo Creek
Comment
UC762273
Hesperolinon breweri
R. F. Hoover
1939-5-20
4106
Contra Costa
head Markley Canyon
Comment
UC762281
Crocanthemum scoparium var. vulgare
R. F. Hoover
1939-5-20
4108
Contra Costa
Head of Markley Canyon
Comment
UC762369
Phacelia californica
R. F. Hoover
1938-3-8
2821
Contra Costa
Berkeley Country Club (=Mira Vista C.C.) El Cerrito
Comment
UC762391
Cryptantha decipiens
R. F. Hoover
1938-5-4
3347
Contra Costa
Peak E of Tassajero Creek
762
Comment
UC762423
Phacelia distans
R. F. Hoover
1938-3-25
2893
Contra Costa
Markley Canyon
Comment
UC762511
Blennosperma nanum var. nanum
R. F. Hoover
1938-2-21
2750
Contra Costa
Byron Hot Springs
Comment
UC762519
Madia radiata
R. F. Hoover
1941-4-12
4836
Contra Costa
1 mi n Lone Tree Valley
Comment
UC762539
Wyethia helenioides
R. F. Hoover
1939-4-13
4016
Contra Costa
head Markley Canyon ((w branch)); head Markley Canyon (w branch)
Comment
UC762545
Blennosperma nanum var. nanum
R. F. Hoover
1938-2-27
2784
Contra Costa
Danville
Comment
UC762568
Blepharizonia plumosa
Robert F. Hoover
1937-9-2
2711
Contra Costa
1 mi w of Antioch
Comment
UC762569
Blepharizonia plumosa
R. F. Hoover
1937-8-31
2704
Contra Costa
Pittsburg
Comment
UC762625
Eriogonum angulosum
R. F. Hoover
1940-11-23
4694
Contra Costa
Briones Valley
Comment
UC762634
Eriogonum gracile
R. F. Hoover
1940-11-23
4695
Contra Costa
2 mi s Byron
Comment
UC762663
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1937-9-2
2709
Contra Costa
Walnut Creek
Comment
UC762690
Eriogonum roseum
R. F. Hoover
1940-11-30
4699
Contra Costa
2 mi s Antioch
Comment
UC762755
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1939-4-25
4061
Contra Costa
Richmond hills Richmond
Comment
UC762817
Amsinckia tessellata var. gloriosa
R. F. Hoover
1935-3-10
317
Contra Costa
Kirker Pass
Comment
UC762889
Cardamine californica
R. F. Hoover
1938-2-21
2754
Contra Costa
Point Richmond
Comment
UC762890
Cardamine californica
R. F. Hoover
1938-2-21
2751
Contra Costa
Marsh Creek
Comment
UC762917
Lupinus bicolor
R. F. Hoover
1935-3-10
306
Contra Costa
Antioch
Comment
UC762924
Lupinus pachylobus
R. F. Hoover
1938-5-4
3342
Contra Costa
Peak e Tassajero Creek; Peak e of Tassajero Creek
Comment
UC762935
Erysimum capitatum var. capitatum
R. F. Hoover
1937-5-14
2111
Contra Costa
Antioch sand-dunes
Comment
UC763002
Malacothamnus fremontii
R. F. Hoover
1939-5-20
4107
Contra Costa
Head of Markley Canyon
Comment
UC763023
Cryptantha nevadensis var. rigida
R. F. Hoover
1938-5-4
3348
Contra Costa
Peak E of Tassajero Creek
762
Comment
UC763071
Oenothera deltoides subsp. howellii
R. F. Hoover
1937-5-14
2112
Contra Costa
Antioch sand-dunes
Comment
UC763127
Lomatium dasycarpum subsp. dasycarpum
R. F. Hoover
1939-4-13
4017
Contra Costa
Markley Canyon, head of W branch
Comment
UC764022
Oemleria cerasiformis
R. F. Hoover
1938-3-8
2823
Contra Costa
e slope Grizzly Peak ridge; Grizzly Peak
Comment
UC764055
Camissoniopsis micrantha
Robert F. Hoover
1935-3-10
314
Contra Costa
Antioch sand-dunes
Comment
UC764060
Taraxia ovata
R. F. Hoover
1938-2-21
2755
Contra Costa
Point Richmond
Comment
UC764122
Lupinus bicolor
R. F. Hoover
1938-5-4
3343
Contra Costa
peak e Tassajero Creek; peak e of Tassajero Creek
Comment
UC764469
Lotus strigosus
R. F. Hoover
1935-3-10
303
Contra Costa
Antioch
Comment
UC764489
Calystegia subacaulis subsp. subacaulis
R. F. Hoover
1939-4-25
4059
Contra Costa
Richmond Hills
Comment
UC764598
Lupinus albifrons
Robert F. Hoover
1935-3-10
300
Contra Costa
Antioch
Comment
UC764640
Hoita macrostachya
R. F. Hoover
1937-8-31
2702
Contra Costa
Avon
Comment
UC764663
Trifolium bifidum var. bifidum
R. F. Hoover
1938-5-4
3352
Contra Costa
e Tassajero Creek (peak)
Comment
UC764679
Trifolium fucatum
R. F. Hoover
1941-4-12
4837
Contra Costa
1 mi n Lone Tree Valley
Comment
UC764680
Lathyrus vestitus
R. F. Hoover
1941-4-12
4844
Contra Costa
w branch of San Pablo Creek San Pablo Creek
Comment
UC764715
Trifolium microdon
R. F. Hoover
1939-4-25
4066
Contra Costa
Richmond hills
Comment
UC764731
Trifolium bifidum var. decipiens
R. F. Hoover
1938-5-4
3344
Contra Costa
peak e Tassajero Creek
Comment
UC764785
Lepidium oxycarpum
R. F. Hoover
1938-2-27
2785
Contra Costa
Danville
Comment
UC764798
Lathyrus vestitus var. vestitus
R. F. Hoover
1938-2-21
2757
Contra Costa
Point Richmond
Comment
UC764884
Epilobium campestre
R. F. Hoover
1937-5-14
2119
Contra Costa
Byron Hot springs
Comment Read comments Dec 18 2008
UC765053
Lepidium nitidum
R. F. Hoover
1938-2-27
2786
Contra Costa
Danville
Comment
UC765094
Croton californicus
R. F. Hoover
1937-5-14
2113
Contra Costa
Antioch sand-dunes
Comment
UC765095
Croton californicus
R. F. Hoover
1937-5-14
2114
Contra Costa
Antioch sand-dunes
Comment
UC765433
Triteleia laxa
R. F. Hoover
1939-4-25
4063
Contra Costa
Richmond hills
Comment
UC765525
Dodecatheon clevelandii subsp. patulum
R. F. Hoover
1938-3-5
2815
Contra Costa
mouth of Kirker Creek Canyon
Comment
UC765541
Castilleja affinis subsp. affinis
R. F. Hoover
1938-5-4
3346
Contra Costa
peak e of Tassajero Creek
Comment
UC765557
Cynoglossum grande
R. F. Hoover
1938-2-21
2752
Contra Costa
Marsh Creek
Comment
UC765562
Eryngium vaseyi
R. F. Hoover
1937-5-14
2124
Contra Costa
Byron Hot Springs
Comment
UC765574
Plagiobothrys stipitatus var. micranthus
R. F. Hoover
1937-5-14
2121
Contra Costa
Byron Hot Springs
Comment
UC765585
Downingia ornatissima var. eximia
R. F. Hoover
1941-4-12
4841
Contra Costa
2 mi s Antioch
Comment
UC765619
Downingia insignis
R. F. Hoover
1937-5-14
2117
Contra Costa
Bryon Hot Springs
Comment
UC765765
Claytonia exigua subsp. exigua
R. F. Hoover
1938-3-25
2896
Contra Costa
Lone Tree Valley
Comment
UC765774
Calandrinia breweri
R. F. Hoover
1939-4-13
4019
Contra Costa
head west branch Markley Canyon
Comment
UC765793
Delphinium nudicaule
R. F. Hoover
1938-5-4
3340
Contra Costa
Marsh Creek Canyon
Comment
UC765796
Delphinium recurvatum
R. F. Hoover
1938-3-25
2900
Contra Costa
Byron Hot Springs
Comment
UC765825
Eryngium aristulatum var. aristulatum
R. F. Hoover
1937-5-14
2125
Contra Costa
Byron Hot Springs
Comment
UC765860
Fritillaria affinis
R. F. Hoover
1939-4-13
4013
Contra Costa
head of Markley Canyon, (west branch) Markley Canyon
Comment
UC765864
Fritillaria liliacea
R. F. Hoover
1938-3-8
2819
Contra Costa
Berkeley Country Club
Comment
UC765869
Clarkia unguiculata
R. F. Hoover
1937-5-14
2110
Contra Costa
Antioch sand-dunes
Comment
UC765923
Zigadenus fremontii
Robert F. Hoover
1939-4-13
4018
Contra Costa
head (West Branch) Markley Canyon; head Markley Canyon
Comment
UC765940
Zigadenus fremontii
Robert F. Hoover
1938-3-8
2820
Contra Costa
Berkeley Country Club
Comment
UC765943
Dichelostemma capitatum
R. F. Hoover
1938-2-21
2756
Contra Costa
Point Richmond
Comment
UC766022
Dirca occidentalis
R. F. Hoover
1938-3-8
2822
Contra Costa
e slope Grizzly Peak ridge
Comment
UC766264
Collinsia sparsiflora var. collina
R. F. Hoover
1938-3-5
2817
Contra Costa
mouth of Kirker Creek Canyon
Comment
UC766267
Dodecatheon clevelandii subsp. patulum
R. F. Hoover
1938-2-21
2749
Contra Costa
Byron Hot Springs
Comment
UC766292
Dodecatheon hendersonii
R. F. Hoover
1938-2-21
2758
Contra Costa
Point Richmond
Comment
UC766304
Plectritis macrocera
Robert F. Hoover
1935-3-10
312
Contra Costa
Antioch
Comment
UC766347
Downingia insignis
R. F. Hoover
1941-4-12
4839
Contra Costa
1 mi n Lone Tree Valley
Comment
UC766406
Plagiobothrys infectivus
R. F. Hoover
1941-4-12
4835
Contra Costa
1 mi n Lone Tree Valley
Comment
UC766736
Elymus glaucus
R. F. Hoover
1941-5-19
5105
Contra Costa
Claremont Rd Berkeley Hills (e side of hills)
Comment
UC766759
Allium serra
R. F. Hoover
1936-3-19
808
Contra Costa
Pittsburg
Comment
UC766803
Proboscidea lutea
R. F. Hoover
1937-8-31
2705
Contra Costa
Pittsburg
Comment
UC766812
Vulpia octoflora var. hirtella
R. F. Hoover
1939-4-13
4021 a
Contra Costa
w branch Head of Markley Canyon
Comment
UC766878
Vulpia microstachys var. pauciflora
R. F. Hoover
1939-4-13
4021
Contra Costa
w branch Head of Markley Canyon
Comment
UC766882
Vulpia microstachys var. ciliata
R. F. Hoover
1935-4-10
316
Contra Costa
Antioch
Comment
UC766927
Sanicula tuberosa
R. F. Hoover
1935-3-10
301
Contra Costa
Nortonville
Comment
UC767113
Stylomecon heterophylla
R. F. Hoover
1938-5-4
3341
Contra Costa
Marsh Creek Canyon
Comment
UC767145
Melica torreyana
R. F. Hoover
1941-4-11
4833
Contra Costa
Marsh Creek Canyon
Comment
UC767184
Melica imperfecta
R. F. Hoover
1941-4-11
4832
Contra Costa
Marsh Creek Canyon
Comment
UC767477
Allium serra
R. F. Hoover
1938-3-5
2818
Contra Costa
mouth of Kirker Creek canyon Kirker Creek canyon
Comment
UC767482
Allium crispum
R. F. Hoover
1939-3-29
3944
Contra Costa
Kircker Pass
Comment Read comments Feb 8 2013
UC767551
Nemophila pedunculata
R. F. Hoover
1938-3-5
2816
Contra Costa
mouth of Kirker Creek Canyon
Comment
UC767564
Phacelia ciliata var. ciliata
R. F. Hoover
1938-3-25
2897
Contra Costa
Lone Tree Valley
Comment
UC767584
Plagiobothrys trachycarpus
R. F. Hoover
1941-4-12
4840
Contra Costa
1 mi. n. Lone Tree Valley
Comment
UC767621
Allenrolfea occidentalis
R. F. Hoover
1937-8-31
2707
Contra Costa
Byron Hot Springs
Comment
UC767890
Calochortus pulchellus
R. F. Hoover
1938-5-4
3339
Contra Costa
Marsh Creek canyon Marsh Creek
Comment
UC768489
Poa secunda subsp. secunda
R. F. Hoover
1941-4-11
4834
Contra Costa
Marsh Creek Canyon
Comment
UC768491
Phalaris paradoxa
R. F. Hoover
1937-5-14
2123
Contra Costa
Byron Hot Springs
Comment
UC768492
Phalaris minor
R. F. Hoover
1937-5-14
2108
Contra Costa
Franklin Creek Valley
Comment
UC768578
Poa howellii
R. F. Hoover
1938-5-4
3353
Contra Costa
Upper Marsh Creek
Comment
UC768586
Alopecurus saccatus
R. F. Hoover
1937-5-14
2120
Contra Costa
Byron Hot Springs
Comment
UC768643
Calochortus albus
R. F. Hoover
1939-4-26
4067
Contra Costa
Head of Markley Canyon (w branch) Markley Canyon
Comment
UC768654
Eriogonum roseum
R. F. Hoover
1937-9-2
2712
Contra Costa
2 mi s Antioch
Comment
UC768670
Microseris douglasii subsp. tenella
Robert F. Hoover
1939-4-25
4062
Contra Costa
Richmond Hills
Comment
UC768749
Brodiaea terrestris subsp. terrestris
R. F. Hoover
1937-5-14
2122
Contra Costa
Byron Hot Springs
Comment
UC768753
Salicornia virginica
R. F. Hoover
1937-8-31
2706
Contra Costa
Byron Hot Springs
Comment
UC769868
Lolium multiflorum
R. F. Hoover
1937-5-14
2107
Contra Costa
Franklin Creek valley
Comment
UC908774
Phlox gracilis
R. F. Hoover
1935-3-10
313
Contra Costa
Antioch
Comment
UC908964
Allophyllum gilioides subsp. violaceum
R. F. Hoover
1939-4-13
4022
Contra Costa
head of Markley Canyon (w. branch)
Comment
UC963965
Gilia clivorum
R. F. Hoover
1938-3-25
2895
Contra Costa
Markley Canyon
Comment
UC963984
Gilia achilleifolia subsp. multicaulis
R. F. Hoover
1941-4-11
4831
Contra Costa
Marsh Creek Canyon
Comment
UC964003
Linanthus pygmaeus subsp. continentalis
R. F. Hoover
1939-4-13
4020
Contra Costa
w branch Head of Markley Canyon
Comment
UCD114997
Erysimum capitatum var. capitatum
R. F. Hoover
1935-3-10
s.n.
Contra Costa
Antioch.
Comment
CAS-BOT-BC222459
Amsinckia lunaris
R. F. Hoover
1938-4-20
3178
Contra Costa
San Pablo Reservoir, (lower end)
Comment
CAS-BOT-BC259522
Eriogonum luteolum var. luteolum
Robert F. Hoover
1937-9-2
2714
Contra Costa
Lower Marsh Creek canyon
Comment
CAS-BOT-BC288875
Centromadia parryi subsp. congdonii
R. F. Hoover
1966-8-31
9943
Contra Costa
Junction of Tassajara and Freitas Rds, E of Danville
Comment
CAS-BOT-BC305249
Grindelia hirsutula
R. F. Hoover
1966-8-31
9945
Contra Costa
1.5 mi. e. of Danville, at junction of Tassajara and Freitas Roads
Comment
CAS-BOT-BC314860
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1966-8-31
9947
Contra Costa
North of Livermore Valley on Highland Road
Comment
CAS-BOT-BC324616
Holocarpha virgata
R. F. Hoover
1969-8-29
11566
Contra Costa
Raymond Road and Ames Street, Livermore Valley
Comment
CAS-BOT-BC487477
Calochortus albus
Robert F. Hoover
1939-4-26
4067
Contra Costa
Head of Markley Canyon (west branch)
Comment
CAS-BOT-BC500089
Dichelostemma capitatum
R. F. Hoover
1938-2-21
2756
Contra Costa
Point Richmond
Comment
JEPS13426
Layia glandulosa
R. F. Hoover
1937-5-14
2115
Contra Costa
Comment
JEPS67770
Cryptantha nevadensis
R. F. Hoover
1938-5-4
3348
Contra Costa
e of Tassajero Creek
762
Comment
OBI11371
Leptosiphon liniflorus
R. F. Hoover
1967-4-28
10509
Contra Costa
Byron Hot Springs
Comment
OBI12334
Malvella leprosa
Robert F. Hoover
1966-8-31
9944
Contra Costa
1.5 mi E of Danville on Tassajara rd
Comment
OBI14811
Cuscuta californica
Robert F. Hoover
1969-8-29
11565
Contra Costa
Raymond Rd and Ames St, Livermore Valley
Comment
OBI16037
Holocarpha virgata subsp. virgata
Robert F. Hoover
1965-9-24
9648
Contra Costa
W of Byron, E of Kellogg Crk
Comment
OBI16043
Holocarpha virgata subsp. virgata
Robert F. Hoover
1969-8-29
11566
Contra Costa
Raymond rd and Ames St, Livermore Valley
Comment
OBI16047
Holocarpha obconica
Robert F. Hoover
1965-9-24
9649
Contra Costa
W of Byron, between Kellogg and Marsh Crks
Comment
OBI16153
Deinandra bacigalupii
Robert F. Hoover
1969-8-29
11564
Contra Costa
Raymond Rd and Ames St., Livermore Valley
Comment
OBI16179
Centromadia parryi subsp. congdonii
Robert F. Hoover
1966-8-31
9943
Contra Costa
Jctn of Tassajara and Freitas Rds E of Danville
Comment
OBI16205
Hemizonia congesta subsp. luzulifolia
Robert F. Hoover
1966-8-31
9947
Contra Costa
N of Livermore Valley on Highland rd
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
OBI16393
Grindelia camporum
Robert F. Hoover
1969-9-1
11569
Contra Costa
Between San Pablo and Pinole
Comment
OBI16865
Centaurea solstitialis
Robert F. Hoover
1966-8-31
9946
Contra Costa
Jctn of Tassajara and Freitas Rd, E of Danville
Comment
RSA0090980
Amsinckia intermedia
Robert F. Hoover
1938-4-20
3179
Contra Costa
Between San Pablo and Reservoir.
Comment
RSA128433
Cryptantha nevadensis var. rigida
Robert F. Hoover
s.n.
Contra Costa
Peak east of Tassajero Creek.
762
Comment
RSA128482
Plagiobothrys trachycarpus
Robert F. Hoover
1941-4-12
4840
Contra Costa
1 mile N of Lone Tree Valley.
Comment
RSA216745
Deinandra bacigalupii
Robert F. Hoover
1969-8-29
11564
Contra Costa
Raymond Road and Ames Street, Livermore Valley.
Comment
RSA216763
Hemizonia lutescens
Robert F. Hoover
1969-9-1
11568
Contra Costa
Between San Pablo and Pinloe.
Comment
RSA216774
Cuscuta californica
Robert F. Hoover
1969-8-25
11565
Contra Costa
Raymond Road and Ames Street, Livermore Valley
Comment
RSA41307
Camissonia ovata
Robert F. Hoover
1938-2-21
2755
Contra Costa
Point Richmond.
Comment
RSA516499
Orthocarpus erianthus
Robert F. Hoover
1938-2-27
2783
Contra Costa
Danville.
Comment
SBBG40548
Deinandra bacigalupii
R. F. Hoover
1969-8-29
11564
Contra Costa
Raymond Rd and Ames St, Livermore Valley
Comment
SEINET8727865
Tropidocarpum capparideum
Robert F. Hoover
1936-1
806
Contra Costa
Byron Hot Springs.
Comment
UC761879
Layia glandulosa
R. F. Hoover
1937-5-14
2115
Contra Costa
Comment
UC762089
Amsinckia lunaris
Robert F. Hoover
1936-4-16
975
Contra Costa
East slope of Bald Park.
Comment
UC762463
Cryptantha microstachys
R. F. Hoover
1938-5-4
3349
Contra Costa
e of Tassajero Creek
Comment
UC762762
Amsinckia intermedia
R. F. Hoover
1938-4-20
3179
Contra Costa
between Resevoir and San Pablo
Comment
UC766190
Pectocarya pusilla
R. F. Hoover
1938-5-4
3351
Contra Costa
peak to the e Tassajero Creek
Comment
UC767894
Eriogonum luteolum var. luteolum
R. F. Hoover
1937-9-2
2714
Contra Costa
Lower Marsh Creek Canyon
Comment
UCD141936
Croton californicus
R. F. Hoover
1935-3-10
s.n.
Contra Costa
Antioch.
Comment
UCSC000586
Phacelia magellanica
R. F. Hoover
1938-3-8
2821
Contra Costa
Berkeley Country Club
Comment