Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page .
Turn on yellow flags to show possible range discrepancies.
Read more ...
?
Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
OBI13402
Acacia longifolia
Robert F. Hoover
1948-2-12
7417
San Luis Obispo
Near Callender RR siding
Comment
CAS-BOT-BC436996
Acaena pinnatifida var. californica
R. F. Hoover
1949-5-7
7663
San Luis Obispo
Just north of Piedras Blancas Point
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
UC596271
Achillea millefolium
R. F. Hoover
1935-4-12
509
Stanislaus
4 mi s Oakdale; Marysville Quad.
Comment
UC769930
Achnatherum occidentale subsp. pubescens
R. F. Hoover
1941-7-5
5422
Mono
near Mill Creek (on plain at nw corner of Mono Lake); Mono Lake
Comment
UC768752
Achnatherum speciosum
R. F. Hoover
1940-5-4
4378
Merced
Piedra Azul Canyon
Comment
OBI12959
Acmispon glaber var. glaber
Robert F. Hoover
1964-6-11
9040
San Luis Obispo
Just S of Hazard Cyn
Comment
OBI12974
Acmispon glaber var. glaber
Robert F. Hoover
1964-9-8
9288
Sonoma
Timber cove
Comment
OBI12998
Acmispon glaber var. glaber
Robert F. Hoover
1964-9-11
9298
Monterey
toro Rd (old Los Laurelas Grade)
Comment
OBI13004
Acmispon glaber var. glaber
Robert F. Hoover
1966-4-20
9826
San Luis Obispo
5 mi E of Creston on La Panza rd
Comment
OBI13055
Acmispon junceus var. junceus
Robert F. Hoover
1965-5-20
9375
San Luis Obispo
Santa Lucia Range. Hill W of "Poly cyn", San Luis Obispo
Comment
OBI13056
Acmispon junceus var. junceus
Robert F. Hoover
1964-9-11
9297
Monterey
Toro Rd (old Los Laureles Grade)
Comment
OBI13057
Acmispon junceus var. junceus
Robert F. Hoover
1964-9-11
9296
Monterey
Toro Rd (old Los Laureles Grade)
Comment
OBI13025
Acmispon strigosus
Robert F. Hoover
1967-5-6
10534
San Luis Obispo
Jack Lake
Comment
SFV4323
Acmispon strigosus
D. H. Hoover
1966-3-4
79
San Diego
About 4 miles southeast of Fallbrook, near J. R. Hoover Ranch.
61
Comment
OBI15589
Acourtia microcephala
Robert F. Hoover
1946-6-29
6202
San Luis Obispo
Between Paso Robles and Adelaida
Comment
CAS-BOT-BC139895
Adenostoma sparsifolium
R. F. Hoover
1946-8-17
6297
San Luis Obispo
Upper Arroyo Grande 5 mi above County Park
Comment
UC770081
Adiantum jordanii
R. F. Hoover
1935-1-6
133
Stanislaus
8 mi e Oakdale
Comment
UC771736
Agastache urticifolia
R. F. Hoover
1946-8-3
6257
San Luis Obispo
Upper Coon Creek; San Luis Range, Upper Coon Creek
Comment
UC761938
Agnorhiza bolanderi
R. F. Hoover
1938-5-9
3392
Mariposa
3 mi nw Coulterville
Comment
OBI17117
Agoseris grandiflora var. grandiflora
Robert F. Hoover
1949-5-16
7700
San Luis Obispo
"Poly Cyn", San Luis Obispo
Comment
JEPS66556
Agoseris heterophylla var. heterophylla
R. F. Hoover
1936-5-22
1194
Shasta
3 mi e Redding
Comment
OBI17120
Agoseris heterophylla var. heterophylla
Robert F. Hoover
1948-3-30
6816
San Luis Obispo
Summit between Middle and E branches of Huerhuero Crk
Comment
SEINET5644469
Agropyron trachycaulum
R. F. Hoover
1941-7-17
5482
Alpine
North side of Pigeon Flat.; 0
Comment
OBI22566
Agrostis exarata
Robert F. Hoover
1953-5-7
8293
San Luis Obispo
Coast W of Cambria
Comment
OBI22567
Agrostis exarata
Robert F. Hoover
1953-5-7
8293
San Luis Obispo
Coast W of Cambria
Comment
UC766831
Agrostis exarata
R. F. Hoover
1941-5-10
5007
Napa
between St. Helena and Calistoga
Comment
OBI22548
Agrostis exarata
Robert F. Hoover
1947-7-26
7329
San Luis Obispo
Piedras Blancas Point (just N of) in swampy area at head of small ravine about 1.5 mi from ocean
Comment
OBI22549
Agrostis exarata
Robert F. Hoover
1947-7-26
7329
San Luis Obispo
Piedras Blancas Point (just N of) in swampy area at head of small ravine about 1.5 mi from ocean
Comment
CAS-BOT-BC139376
Agrostis hooveri
R. F. Hoover
1964-6-5
8923
San Luis Obispo
Ridge southeast of Cuesta Pass.
Comment
RSA201536
Agrostis hooveri
Robert F. Hoover
1964-6-5
8923
San Luis Obispo
Ridge southeast of Cuesta Pass
Comment
OBI4951
Agrostis pallens
Robert F. Hoover
1964-6-7
8991
San Luis Obispo
San Carpoforo Crk just above Windy Point
Comment
UC766898
Agrostis pallens
Robert F. Hoover
1941-6-7
5315
Sonoma
2 mi se Monte Rio (on road to Camp Meeker)
Comment
UC766899
Agrostis pallens
R. F. Hoover
1941-5-14
5087
Sonoma
2 mi s Monte Rio (on road to Camp Meeker)
Comment
OBI22565
Agrostis stolonifera
Robert F. Hoover
1966-9-16
10032
San Luis Obispo
Santa Margarita Crk 2 mi N of Santa Margarita
Comment
OBI13398
Albizia lophantha
Betty Hoover
1962-2-2
24
San Luis Obispo
Comment
OBI21239
Allium crispum
Robert F. Hoover
1969-5-16
11302
Monterey
Henry Sands Cyn E of Gonzales
Comment
UC766742
Allium crispum
R. F. Hoover
1941-4-18
4850
San Joaquin
lower end of Corral Hollow Corral Hollow
Comment
CAS-BOT-BC469253
Allium fimbriatum var. fimbriatum
R. F. Hoover
1964-5-11
8774
San Luis Obispo
Road to Hi Mt. from Pozo-Arroyo Grande summit
Comment
CAS-BOT-BC469254
Allium fimbriatum var. fimbriatum
R. F. Hoover
1960-5-13
8521
San Luis Obispo
Rinconada Mine (SE. of Santa Margarita)
Comment
OBI53650
Allium hyalinum
Robert F. Hoover
1936-3-17
761
Stanislaus
La Grange
Comment
OBI56713
Allium hyalinum
Robert F. Hoover
1936-3-18
804
Stanislaus
Knight's Ferry
Comment
UC766744
Allium lacunosum
R. F. Hoover
1941-4-23
4910
San Mateo
Redwood City hills
Comment
OBI21223
Allium lacunosum var. davisiae
Robert F. Hoover
1949-5-15
7692
San Luis Obispo
18 mi E of Creston on La Panza rd
Comment
OBI21238
Allium lacunosum var. lacunosum
Robert F. Hoover
1947-5-12
7163
San Luis Obispo
W base of Mt Bishop near San luis Obispo
Comment
UC1296368
Allium unifolium
R. F. Hoover
1950-6-20
7995
San Luis Obispo
W. side of York Mt. on Templeton-Cambria road York Mt., Templeton-Cambria road
Comment
UC908964
Allophyllum gilioides subsp. violaceum
R. F. Hoover
1939-4-13
4022
Contra Costa
head of Markley Canyon (w. branch)
Comment
OBI11499
Allophyllum gilioides subsp. violaceum
R. F. Hoover
1950-5-6
7875
San Luis Obispo
East slope of La Panza Range, in oak woods.
Comment
SEINET3917719
Alopecurus aequalis
R. F. Hoover
1940-7-25
4458
Tuolumne
Eagle Meadow.; 0
Comment
UC766126
Amaranthus blitoides
R. F. Hoover
1940-10-5
4662
Lassen
Johnstonville
Comment
UC766127
Amaranthus retroflexus
Robert F. Hoover
1934-10-22
99
Stanislaus
Modesto
Comment
CAS-BOT-BC61486
Ambrosia chamissonis
R. F. Hoover
1964-8-13
9233
San Luis Obispo
Mouth of Morro Creek
Comment
OBI17109
Ambrosia chamissonis
Robert F. Hoover
1947-7-21
6241
San Luis Obispo
N end of Morro Bay
Comment
OBI17094
Ambrosia psilostachya
Robert F. Hoover
1966-9-16
10040
San Luis Obispo
3 mi N of Santa Margarita
Comment
HSC81329
Ambrosia psilostachya
D. A. Hoover
1985-9-4
678
San Bernardino
Big Morongo Preserve; The Nature Conservancy, S of Morongo Valley: between the manager's residence and the Kiosk
762
Comment
CAS-BOT-BC180595
Amorpha californica var. californica
R. F. Hoover
1965-6-4
9415
San Luis Obispo
Salinas River bridge east of Santa Margarita
Comment
GH424803
Amsinckia
R. F. Hoover
1936-5-25
1221
Unknown
5 mi. S. of Modesto
Comment
GH424801
Amsinckia
R. F. Hoover
1936-5-27
1233
Unknown
9 mi. E. of Waterford
Comment
GH424830
Amsinckia
R. F. Hoover
1937-3-25
1658
Unknown
9 mi. w. of Los Banos
Comment
A424581
Amsinckia douglasiana
R. F. Hoover
1938-4-15
3096
Unknown
Plain east of Maricopa
Comment
GH424574
Amsinckia douglasiana
R. F. Hoover
1938-4-3
2997
Unknown
Paicines
Comment
GH424585
Amsinckia douglasiana
R. F. Hoover
1938-4-2
2980
Unknown
Junction of Paloma Creek and Arroyo Seco
Comment
OBI20620
Amsinckia douglasiana
Robert F. Hoover
1967-4-22
10500
Monterey
Lower Palmoa Crk
Comment
CAS-BOT-BC222409
Amsinckia furcata
R. F. Hoover
1940-3-22
4244
Fresno
Arroyo Hondo wash, n. of Cantua Creek
Comment
CAS-BOT-BC222424
Amsinckia furcata
R. F. Hoover
1941-3-24
4818
Kings
Along Calif. highway No. 41. in Little Tar Canyon, east slope of the Pyramid Hills, inner South Coast Range.
Comment
CAS-BOT-BC222441
Amsinckia grandiflora
R. F. Hoover
1938-3-19
2866
San Joaquin
1 mi. n. of Corral Hollow near Alameda Co. line
Comment
GH424757
Amsinckia grandiflora
R. F. Hoover
1938-3-19
2866
Unknown
1 mi. n. of Corral Hollow near Alameda Co. line
Comment
JEPS61159
Amsinckia intermedia
R. F. Hoover
1937-4-10
1770
Fresno
Kerman
Comment
UC596234
Amsinckia intermedia
R. F. Hoover
1937-4-10
1770
Fresno
Kerman
Comment
UC762220
Amsinckia intermedia
R. F. Hoover
1937-3-25
1688
Madera
8 mi w Chowchilla
Comment
UC763081
Amsinckia intermedia
R. F. Hoover
1937-4-3
1747
San Joaquin
Lower end of Corral Hollow
Comment
RSA128379
Amsinckia lycopsoides
Robert F. Hoover
1936-5-25
1221
Stanislaus
Five miles south of Modesto.
Comment
OBI20650
Amsinckia menziesii
Robert F. Hoover
1968-4-16
11026
San Luis Obispo
Cuyama River at "Gypsum Cyn bridge" N side of river
Comment
UC766302
Amsinckia menziesii var. menziesii
R. F. Hoover
1946-3-30
6040
Kings
Kettleman Hills
Comment
JEPS25304
Amsinckia spectabilis
R. F. Hoover
1938-4-15
3109
Santa Barbara
Orcutt
Comment
OBI3245
Amsinckia spectabilis var. spectabilis
R. L. Hoover
1968-4-11
7
Monterey
Marina Beach, n of parking lot
Comment
OBI20675
Amsinckia tessellata
Robert F. Hoover
1965-4-10
9341
San Luis Obispo
5 mi E of Creston
Comment
OBI20615
Amsinckia tessellata
Robert F. Hoover
1966-4-20
9816
San Luis Obispo
E of Atascadero on Creston Rd, on grade E of Salinas River
Comment
UC764821
Amsinckia tessellata var. gloriosa
R. F. Hoover
1946-3-30
6033
Kings
Kettleman Hills
Comment
OBI20684
Amsinckia vernicosa
Robert F. Hoover
1967-3-27
10285
San Luis Obispo
Chalk Mt (Cuyama white hills) . Typ location of A. gloriosa but no large-fld plants found here
Comment
OBI20682
Amsinckia vernicosa
Robert F. Hoover
1967-3-22
10255
San Luis Obispo
Temblor Range E of Soda Lake, in second large cyn N from Crocker Grade
Comment
OBI4272
Amsinckia vernicosa
Robert F. Hoover
1949-4-21
7631
San Luis Obispo
Near Fernandez Crk on La Panza - creston rd
Comment
JEPS61097
Amsinckia vernicosa var. furcata
R. F. Hoover
1935-3-29
421
Fresno
flood-plain of Little Panoche Creek (Little Panoche Wash)
Comment
UC762821
Amsinckia vernicosa var. furcata
R. F. Hoover
1941-3-19
4785
Fresno
mouth of Big Panoche Canyon
Comment
JEPS61179
Amsinckia vernicosa var. vernicosa
R. F. Hoover
1935-3-29
408
Fresno
flood-plain of Little Panoche Creek
Comment
JEPS61180
Amsinckia vernicosa var. vernicosa
R. F. Hoover
1938-4-2
2972
Monterey
canyon Lower Paloma Creek; Santa Lucia Mountains
Comment
UC765547
Amsinckia vernicosa var. vernicosa
R. F. Hoover
1938-4-10
3063
San Joaquin
Lower Hospital Canyon
Comment
CAS-BOT-BC45177
Anaphalis margaritacea
Robert F. Hoover
1946-8-3
6258
San Luis Obispo
Upper Coon Creek, San Luis Range
Comment
OBI17092
Anaphalis margaritacea
Robert F. Hoover
1947-8-9
7359
San Luis Obispo
San Carpoforo Crk near ocean, at bae of brush-covered hill
Comment
JEPS13786
Androsace elongata subsp. acuta
R. F. Hoover
Apr 1937
1748
Alameda
upper end Corral Hollow; upper end Corral Hollow
Comment
UC765494
Angelica tomentosa
R. F. Hoover
1938-9-23
3861
Napa
south fork of Butts Creek Butts Creek
Comment
CAS-BOT-BC64123
Anisocoma acaulis
R. F. Hoover
1952-5-24
8212
San Luis Obispo
Caliente Mt., on summit ridge west of peak
Comment
SD58177
Antennaria argentea
R. F. Hoover
1941-6-29
5392
Tuolumne
Road from Long Barn to Hull's Meadow.
Comment
UC761948
Antennaria rosea
R. F. Hoover
1941-7-16
5477
Tuolumne
Eureka Valley
Comment
UC766363
Antirrhinum cornutum
R. F. Hoover
1938-6-10
3587
Tehama
s of Red Bluff (Coyote Creek bridge)
Comment
OBI9738
Antirrhinum kelloggii
Robert F. Hoover
1947-4-12
6908
San Luis Obispo
Upper Navajo Crk, La Panza Range
Comment
CAS-BOT-BC237885
Antirrhinum ovatum
R. F. Hoover
1952-11-2
8277
San Luis Obispo
Caliente Mt.
Comment
CAS-BOT-BC171639
Aralia californica
R. F. Hoover
1965-9-7
9535
San Luis Obispo
Santa Rita Creek west of Templeton, Santa Lucia Mountains
Comment
OBI12441
Arceuthobium campylopodum
Robert F. Hoover
1946-8-18
6310
San Luis Obispo
Mariana Crk, E Side of La Panza Range
Comment
CAS-BOT-BC23574
Arctostaphylos crustacea
R. F. Hoover
1963-5-4
8556
San Luis Obispo
Upper Coon Creek, San Luis Range
Comment
CAS-BOT-BC25158
Arctostaphylos crustacea
R. F. Hoover
1962-3-23
8543
Santa Cruz
14 mi. N of Watsonville city center
Comment
CAS-BOT-BC25174
Arctostaphylos crustacea subsp. crinita
R. F. Hoover
1947-3-8
6649
San Luis Obispo
Cambria
Comment
CAS-BOT-BC25083
Arctostaphylos crustacea subsp. rosei
R. F. Hoover
1964-3-8
8646
Monterey
Hill above Point Gorda, N slope.
Comment
OBI14742
Arctostaphylos cruzensis
Robert F. Hoover
1965-4-25
9353
San Luis Obispo
Cambria, among pines N of town
Comment
CAS-BOT-BC25005
Arctostaphylos cruzensis
R. F. Hoover
1959-5-23
8509
San Luis Obispo
Low ridge bordering Los Osos Valley on NE
Comment
JEPS98824
Arctostaphylos glandulosa
R. F. Hoover
1963-10-26
8607
San Luis Obispo
trail to Machesna Mountain La Panza Range
Comment
CAS-BOT-BC23309
Arctostaphylos glandulosa subsp. cushingiana
R. F. Hoover
1965-9-15
9554
San Luis Obispo
Summit of Pozo-Arroyo Grande road.
Comment
CAS-BOT-BC23083
Arctostaphylos glandulosa subsp. glandulosa
R. F. Hoover
1946-9-22
6440
San Luis Obispo
West of Paso Robles on road to Adelaida.
Comment
CAS-BOT-BC39191
Arctostaphylos glauca
R. F. Hoover
1946-11-17
6558
Santa Barbara
Cuyama Canyon near Clear Creek
Comment
GH350386
Arctostaphylos glauca
R. F. Hoover
1938-9-10
3834
Unknown
Del Puerto Canyon
Comment Read comments Sep 18 2015
RSA43162
Arctostaphylos glauca
Robert F. Hoover
1946-11-16
6555
San Luis Obispo
Upper Arroyo Grande, 5 mi. above County Park.
Comment
OBI14671
Arctostaphylos hookeri subsp. hookeri
Robert F. Hoover
1962-3-23
8544
Santa Cruz
3 mi N of Watsonville
Comment
OBI14673
Arctostaphylos hookeri subsp. hookeri
Robert F. Hoover
1964-4-10
8685
Santa Cruz
4.5 mi NW of Watsonville city center on State hwy 1.
Comment
GH350542
Arctostaphylos manzanita
R. F. Hoover
1938-2-22
2762
Unknown
Pleasant's Valley
Comment
GH350544
Arctostaphylos manzanita
R. F. Hoover
1941-4-26
4913
Unknown
Pope Creek Canyon between Samuel Springs and Walter Springs
Comment
UC763123
Arctostaphylos manzanita subsp. manzanita
Robert F. Hoover
1935-1-6
202
Stanislaus
Knight's Ferry
Comment
CAS-BOT-BC45577
Arctostaphylos montereyensis
R. F. Hoover
1964-9-11
9299
Monterey
Toro Rd. (old Los Laureles Grade).
Comment
OBI14632
Arctostaphylos montereyensis
Robert F. Hoover
1964-4-11
8694
Monterey
South edge of Monterey Airport
Comment
OBI14634
Arctostaphylos montereyensis
Robert F. Hoover
1969-1-5
11182
Monterey
Hill north ofPine Canyon, W side of Salinas Valley near Spreckels
Comment
UC1276232
Arctostaphylos montereyensis
R. F. Hoover
1964-6-22
9110
Monterey
s edge Monterey Airport
Comment
CAS-BOT-BC40124
Arctostaphylos morroensis
R. F. Hoover
1947-1-26
6599
San Luis Obispo
Osos Valley in sandy rolling country
Comment
RSA216743
Arctostaphylos morroensis
Robert F. Hoover
1969-2-2
11186
San Luis Obispo
above Los Osos,
Comment
CAS-BOT-BC40049
Arctostaphylos nevadensis
R. F. Hoover
1967-9-5
s.n.
Placer
Carnelian Bay, Lake Tahoe
Comment
OBI14734
Arctostaphylos osoensis
Robert F. Hoover
1963-7-30
8588
San Luis Obispo
NE side of Los Osos Valley
Comment
CAS-BOT-BC44402
Arctostaphylos pechoensis
R. F. Hoover
1946-8-3
6254
San Luis Obispo
Upper Coon Creek, San Luis Range.
Comment
CAS-BOT-BC44408
Arctostaphylos pechoensis
R. F. Hoover
1967-2-18
10225
San Luis Obispo
Diablo Canyon, San Luis Range
Comment
CAS-BOT-BC44417
Arctostaphylos pilosula
R. F. Hoover
1946-12-15
6574
San Luis Obispo
Upper Coon Creek, San Luis Range, on hills.
Comment
CAS-BOT-BC44421
Arctostaphylos pilosula
R. F. Hoover
1966-5-17
9867
San Luis Obispo
Indian Knob ridge.
Comment
OBI14564
Arctostaphylos pilosula
Robert F. Hoover
1963-10-26
8599
San Luis Obispo
Trail to Machesna Mt., La Panza Range
Comment
CAS-BOT-BC44863
Arctostaphylos pumila
R. F. Hoover
1964-3-1
8643
Monterey
South edge of Monterey Airport
Comment
JEPS98819
Arctostaphylos pumila
R. F. Hoover
1963-12-17
8613
Monterey
Monterey Airport. S edge
Comment
OBI14530
Arctostaphylos pumila
Robert F. Hoover
1964-4-11
8692
Monterey
S edge of Monterey Airport
Comment
OBI14540
Arctostaphylos pumila
Robert F. Hoover
1964-3-1
8642
Monterey
South edge of Monterey Airport
Comment
OBI19394
Arctostaphylos pumila
Robert F. Hoover
1964-4-11
8692
Monterey
South edge of Monterey Airport
Comment
JEPS98833
Arctostaphylos rudis
R. F. Hoover
1964-1-26
8628
Santa Barbara
4 mi N of Lompoc (Hwy 1)
Comment
RSA201557
Arctostaphylos rudis
Robert F. Hoover
1960-1-3
8513
San Luis Obispo
Nipomo Mesa just above Los Berros.
Comment
CAS-BOT-BC47287
Arctostaphylos tomentosa
R. F. Hoover
1950-1-15
7764
San Luis Obispo
Mouth of Arroyo de la Cruz (just s. of).
Comment
OBI14501
Arctostaphylos tomentosa subsp. bracteosa
Robert F. Hoover
1964-2-8
8633
Monterey
South edge of Monterey Airport
Comment
OBI14503
Arctostaphylos tomentosa subsp. bracteosa
Robert F. Hoover
1963-12-17
8612
Monterey
South edge of Monterey Airport
Comment
CAS-BOT-BC43960
Arctostaphylos tomentosa subsp. tomentosa
R. F. Hoover
1964-2-8
8632
Monterey
South edge of Monterey Airport
Comment
OBI14499
Arctostaphylos tomentosa subsp. tomentosa
Robert F. Hoover
1964-2-8
8632
Monterey
South edge of Monterey Airport
Comment
UC1276226
Arctostaphylos tomentosa subsp. tomentosa
R. F. Hoover
1950-1-15
7764
San Luis Obispo
just s mouth of Arroyo de la Cruz (n slope)
Comment
CAS-BOT-BC44613
Arctostaphylos virgata
R. F. Hoover
1964-4-8
8667
Marin
Just east of Bootjack Camp, south slope of Mt. Tamalpais.
Comment
RSA201590
Arctostaphylos virgata
Robert F. Hoover
1964-4-8
8667
Marin
Bootjack Camp (just east of), south slope of Mt. Tamalpais.
Comment
SD71289
Arctostaphylos virgata
R. F. Hoover
1964-4-8
8667
Marin
Bootjack Camp, south slope of Mt. Tamalpais.
Comment
UC763149
Arctostaphylos viscida subsp. mariposa
R. F. Hoover
1938-9-9
3823
Mariposa
grade from Coulterville to Bagby
Comment
UC1276218
Arctostaphylos wellsii
R. F. Hoover
1964-2-20
8637
San Luis Obispo
n Arroyo Grande (Oak Park district); n of Arroyo Grande
Comment
CAS-BOT-BC174075
Arenaria paludicola
R. F. Hoover
1947-7-27
7336
San Luis Obispo
Black Lake Canyon, s. of Arroyo Grande
Comment
CAS-BOT-BC174081
Arenaria paludicola
R. F. Hoover
1947-7-27
7336
San Luis Obispo
Black Lake Canyon, s. of Arroyo Grande
Comment
OBI19565
Arenaria paludicola
Robert F. Hoover
1947-1
San Luis Obispo
Comment
OBI19566
Arenaria paludicola
Robert F. Hoover
1947-1
San Luis Obispo
Comment
UC1285074
Arenaria paludicola
R. F. Hoover
1947-7-27
7336
San Luis Obispo
s Arroyo Grande (in foggy meadow); Black Lake Canyon
Comment
OBI19567
Arenaria paludicola
Robert F. Hoover
1947-1
San Luis Obispo
Comment
CAS-BOT-BC137610
Aristida adscensionis
R. F. Hoover
1965-5-14
9360
San Luis Obispo
East Fork Corral de Piedra Creek.
Comment
JEPS20874
Arnica dealbata
R. F. Hoover
1938-8-19
3789
Mariposa
above Mariposa Big Tree Grove; Wawona Point
Comment
UC767460
Arnica mollis
R. F. Hoover
1938-7-14
3640
Tuolumne
Eureka Valley
Comment
CAS-BOT-BC84920
Artemisia californica
R. F. Hoover
1965-10-1
9691
San Luis Obispo
Coast road just south of Hazard Canyon
Comment
CAS-BOT-BC84923
Artemisia californica
R. F. Hoover
1946-10-19
6505
San Luis Obispo
Between San Juan River and Carrizo Plain
Comment
UC1392963
Artemisia pycnocephala
R. F. Hoover
11535
Monterey
Marina Beach
Comment
OBI17052
Artemisia tridentata subsp. parishii
Robert F. Hoover
1946-11-17
6561
San Luis Obispo
Cuyama river, at highway bridge just below Gypsum cyn.
Comment
OBI77917
Arthrocnemum subterminale
Robert F. Hoover
1965-9-22
9639
San Luis Obispo
S of mouth of Chorro Crk, Morro Bay mud-flats
Comment
OBI20505
Asclepias californica
Robert F. Hoover
1949-5-14
7679
San Luis Obispo
Rocky Butte district, above San Simeon
Comment
OBI20507
Asclepias californica
Robert F. Hoover
1950-5-7
7894
San Luis Obispo
Between Rocky Butte & Pine Mt, Santa Lucia Range
Comment
JEPS6669
Asclepias fascicularis
R. F. Hoover
1938-7-13
3629
Tuolumne
1 mi nw Soulsbyville
Comment
UC596057
Asclepias speciosa
R. F. Hoover
1938-7-13
3630
Tuolumne
Twain-Harte
Comment
UC596056
Asclepias vestita
R. F. Hoover
1935-5-28
594
Merced
Snelling
Comment
OBI21251
Asphodelus fistulosus
Robert F. Hoover
1956-4-14
8365
San Luis Obispo
1 mi W of Nipomo, at site of abandoned dump
Comment
OBI13374
Astragalus curtipes
Robert F. Hoover
1949-4-12
7593
San Luis Obispo
Between Suey Crk and Cuyama River
Comment
OBI13372
Astragalus didymocarpus
Robert F. Hoover
1952-4-20
8127
San Luis Obispo
Near summit between Maricopa and Elkhorn Plain
Comment
CAS-BOT-BC182365
Astragalus didymocarpus var. didymocarpus
R. F. Hoover
1966-4-2
9788
San Luis Obispo
Canyon behind old sheep camp on east side of Soda Lake, west side of Temblor Range
Comment
OBI13358
Astragalus douglasii var. douglasii
Robert F. Hoover
1947-4-20
6985
San Luis Obispo
Near El Dorado School
Comment
OBI13359
Astragalus douglasii var. douglasii
Robert F. Hoover
1947-4-2
6866
San Luis Obispo
Upper Arroyo Grande, 6 mi above county park
Comment
OBI13333
Astragalus lentiginosus var. idriensis
Robert F. Hoover
1953-5-16
8310
San Luis Obispo
Summit of Temblor range NE of Simmer
Comment
OBI13341
Astragalus lentiginosus var. nigricalycis
Robert F. Hoover
1950-4-14
7817
San Luis Obispo
Panorama Hills
Comment
OBI13328
Astragalus macrodon
Robert F. Hoover
1952-5-24
8204
San Luis Obispo
Caliente mt
Comment
OBI13329
Astragalus macrodon
Robert F. Hoover
1969-7-12
11452
San Luis Obispo
Santa Lucia Range; 4 mi W of Paso Robles on Peachy Cyn rd
Comment
RSA201720
Astragalus macrodon
Robert F. Hoover
1952-5-24
8204
San Luis Obispo
Caliente Mountain.
Comment
UC1285224
Astragalus macrodon
R. F. Hoover
1952-5-24
8204
San Luis Obispo
Caliente Mt. Caliente Mts.
Comment
UC765569
Astragalus malacus
R. F. Hoover
1941-7-5
5433
Mono
n side Conway Grade; n side Conway Grade
Comment
CAS-BOT-BC186551
Astragalus nuttallii var. nuttallii
R. F. Hoover
1947-3-8
6660
San Luis Obispo
Near Piedras Blancas Point
Comment
UC1285217
Astragalus nuttallii var. nuttallii
R. F. Hoover
1946-7-21
6233
San Luis Obispo
San Simeon Creek Beach
Comment
UC1285219
Astragalus nuttallii var. nuttallii
R. F. Hoover
1964-8-14
9251
San Luis Obispo
Jack Lake
Comment
CAS-BOT-BC194231
Astragalus oxyphysus
R. F. Hoover
1947-5-10
7147
San Luis Obispo
East edge of Cuyama Valley near Kern Co. line, along sandy wash.
Comment
UC764577
Astragalus oxyphysus
R. F. Hoover
1936-2-29
746
Kern
Oildale
Comment
OBI13312
Astragalus oxyphysus
Robert F. Hoover
1967-4-16
10461
San Luis Obispo
Pass at SE end of Carrizo Plain
Comment
UC1285213
Astragalus pomonensis
R. F. Hoover
1964-6-6
8969
San Luis Obispo
Los Osos
Comment
UC764622
Astragalus tener var. tener
R. F. Hoover
1937-3-25
1643
Stanislaus
e San Joaquin R. (near Crow's Landing bridge); E of San Joaquin River near Crow's Landing Bridge
Comment
OBI13385
Astragalus trichopodus var. phoxus
Robert F. Hoover
1950-5-28
7935
San Luis Obispo
Redrock Cyn, N side of lower Cuyama Valley
Comment
RSA43032
Athyrium filix-femina subsp. cyclosorum
Robert F. Hoover
1947-8-13
7368
San Luis Obispo
Hazard Canyon
Comment
CAS-BOT-BC16331
Athysanus unilateralis
R. F. Hoover
1949-4-21
7625
San Luis Obispo
14 miles east of Creston on La Panza Road.
Comment
CAS-BOT-BC168314
Atriplex canescens var. canescens
R. F. Hoover
1966-10-7
10133
San Luis Obispo
Canyon of Chalk Mountain (white hills) on north side of Cuyama Valley
Comment
CAS-BOT-BC168533
Atriplex confertifolia
R. F. Hoover
1937-8-4
2651
Stanislaus
West of San Joaquin River bridge on Maze Road
Comment
CAS-BOT-BC168534
Atriplex confertifolia
Robert F. Hoover
1938-5-7
3359
Stanislaus
West of San Joaquin River bridge on Maze road
Comment
UC596571
Atriplex coronata var. coronata
R. F. Hoover
1937-8-4
2651
Stanislaus
on Maze Road w San Joaquin River bridge; w of San Joaquin River bridge
Comment
OBI17316
Atriplex fruticulosa
Robert F. Hoover
1965-8-27
9516
Stanislaus
Carpenter Rd near San Joaquin River, S of Modesto
Comment
OBI17320
Atriplex fruticulosa
Robert F. Hoover
1949-5-29
7736
San Luis Obispo
Cottonwood Pass near foot of grade on W side
Comment
UC768839
Atriplex gardneri var. falcata
R. F. Hoover
1940-10-5
4677
Lassen
alkali plain s Secret Valley; s of Secret Valley
Comment
OBI17308
Atriplex lentiformis
Robert F. Hoover
1946-9-14
6391
San Luis Obispo
Shandon
Comment
RSA43042
Atriplex leucophylla
Robert F. Hoover
1946-7-21
6242
San Luis Obispo
North end of Morro Bay
Comment
CAS-BOT-BC168430
Atriplex parishii var. depressa
R. F. Hoover
1966-8-31
9952
Alameda
Junction of Ames St. and Raymond Road, north of Livermore
Comment
UC767932
Atriplex phyllostegia
R. F. Hoover
1936-4-28
1014
Tulare
8 mi n Visalia; n of Visalia
Comment
UC767913
Atriplex polycarpa
R. F. Hoover
1937-8-10
2671
Kern
5 mi n Lost Hills; n of Lost Hills
Comment
CAS-BOT-BC176581
Atriplex polycarpa
R. F. Hoover
1966-10-8
10145
San Luis Obispo
Pass at southeast end of Carrizo Plain
Comment
OBI23418
Atriplex prostrata
Robert F. Hoover
1969-9-27
11623
San Benito
San Felipe Lake
Comment
OBI17315
Atriplex prostrata
Robert F. Hoover
1946-9-21
6430
San Luis Obispo
E shore of Mroo Bay
Comment
OBI17269
Atriplex spinifera
Robert F. Hoover
1966-3-30
9759
San Luis Obispo
W side of Soda Lake, Carrizo Plain
Comment
RSA43044
Atriplex subspicata
Robert F. Hoover
1946-10-15
6499
San Luis Obispo
Avila.
Comment
UC767871
Atriplex subtilis
R. F. Hoover
1936-6-10
1294 a
Stanislaus
10 mi s Modesto; s of Modesto
Comment
UC767911
Atriplex vallicola
R. F. Hoover
1937-8-10
2666
Kern
5 mi n Lost Hills; ; N of Lost Hills oil field, Kern Co.
Comment
CAS-BOT-BC170091
Atriplex vallicola
R. F. Hoover
1946-6-16
6170
San Luis Obispo
1 mi. s. of Simmler, Carrizo Plain
Comment
UC767600
Avena fatua
R. F. Hoover
1934-12-17
79
Stanislaus
Modesto
Comment
UC766943
Azolla filiculoides
R. F. Hoover
1935-3-1
257
Stanislaus
Grayson
Comment
CAS-BOT-BC99499
Baccharis pilularis
R. F. Hoover
1946-9-21
6428 c
San Luis Obispo
East shore of Morro Bay, south of mouth of Chorro Creek
Comment
RSA216714
Baccharis pilularis
Robert F. Hoover
1966-9-13
10004
San Luis Obispo
Ragged Point
Comment
OBI16966
Baccharis pilularis var. consanguinea
Robert F. Hoover
1947-8-9
7363
San Luis Obispo
Between San Carpoforo Creek and Arroyo de la Cruz
Comment
CAS-BOT-BC99635
Baccharis plummerae
R. F. Hoover
1949-9-9
7757
San Luis Obispo
Forks of San Simeon Creek
Comment
OBI16951
Baccharis plummerae subsp. glabrata
Robert F. Hoover
1949-9-9
7757
San Luis Obispo
Forks of San Simeon Crk
Comment
CAS-BOT-BC99755
Baccharis salicifolia
R. F. Hoover
1964-5-10
8749
San Luis Obispo
Near Estrella
Comment
OBI16948
Baccharis salicifolia
Robert F. Hoover
1953-5-16
8300
San Luis Obispo
Grant Lake
Comment
UC761939
Balsamorhiza macrolepis
R. F. Hoover
1939-5-10
4092
Placer
Lincoln
Comment
JEPS32251
Balsamorhiza sagittata
R. F. Hoover
1936-6-29
1432
Alpine
s slope of Bald Peak
Comment
CAS-BOT-BC100207
Benitoa occidentalis
R. F. Hoover
1946-10-6
6470
Fresno
North side of Parkfield Grade
Comment
UC761921
Benitoa occidentalis
R. F. Hoover
1938-10-9
3884
San Benito
first ridge on Hernandez Road off Hollister-King City Road
Comment Read comments Jul 28 2015
UC771645
Benitoa occidentalis
R. F. Hoover
1946-10-6
6472
Fresno
Upper Waltham Creek
Comment
UC767013
Berberis pinnata
R. F. Hoover
1941-2-2
4739
Marin
nw Inverness (Inverness Ridge)
Comment
UC595977
Bergia texana
R. F. Hoover
1938-7-10
Stanislaus
12 mi. e. of Waterford
Comment
UCR40254
Berula erecta
D. A. Hoover
1985-6-20
592
San Bernardino
Little San Bernardino Mountains, Big Morongo Preserve in Big Morongo Canyon, south of town of Morongo Valley
747
Comment
JEPS32545
Bidens laevis
R. F. Hoover
1934-9-15
9
Stanislaus
Modesto
Comment
CAS-BOT-BC100288
Blennosperma nanum var. nanum
R. F. Hoover
1939-2-25
3890
Stanislaus
10 mi. w. of Modesto
Comment
UC762509
Blennosperma nanum var. nanum
Robert F. Hoover
1937-3-25
1641
Stanislaus
near, e side of San Joaquin River Crow's Landing bridge; San Joaquin River
Comment
CAS-BOT-BC105953
Blennosperma nanum var. nanum
R. F. Hoover
1952-4-10
8108
San Luis Obispo
1 mi. s. of simmler, Carrizo Plain
Comment
CAS-BOT-BC127816
Blepharizonia laxa
R. F. Hoover
1952-11-2
8278
San Luis Obispo
Caliente Mt. along ridge
Comment
CAS-BOT-BC127847
Blepharizonia laxa
R. F. Hoover
1940-12-1
4707
Stanislaus
Lower Del Puerto Canyon
Comment
UC761866
Blepharizonia laxa
R. F. Hoover
1937-9-2
2710
Contra Costa
1 mi s of Pittsburg
Comment
UC771737
Blepharizonia laxa
R. F. Hoover
1946-10-6
6473
Kings
near summit Kettleman Hills
Comment
CAS-BOT-BC127820
Blepharizonia laxa
R. F. Hoover
1946-9-22
6436
San Luis Obispo
West of Paso Robles on road to Adelaida
Comment
OBI16921
Blepharizonia laxa
Robert F. Hoover
1965-9-18
9588
San Luis Obispo
Highland district (site of former Highland school)
Comment
OBI16923
Blepharizonia laxa
Robert F. Hoover
1966-10-8
10149
San Luis Obispo
Pass at SE end of Carrizo Plain
Comment
JEPS18818
Blepharizonia plumosa
R. F. Hoover
1937-9-2
2708
Contra Costa
Walnut Creek
Comment
UC596244
Blepharizonia plumosa
R. F. Hoover
1937-8-31
2704
Contra Costa
Pittsburg
Comment
UC761865
Blepharizonia plumosa
R. F. Hoover
1937-9-2
2708
Contra Costa
Walnut Creek
Comment
UC1296358
Bloomeria crocea
R. F. Hoover
1955-6-30
8361
San Luis Obispo
w. Pozo (Rinconada Mine. Also east through La Panza Range); Rinconada Mine
Comment
GH378806
Boechera lyallii
R. F. Hoover
1940-8-1
4487
Unknown
Ridge east of Emigrant Meadow
Comment
CAS-BOT-BC14549
Boechera pulchra
R. F. Hoover
1952-5-24
8203
San Luis Obispo
Caliente Mountain.
Comment
RSA41142
Boisduvalia cleistogama
Robert F. Hoover
1937-5-19
2242
Butte
10 miles northwest of Chico
Comment
RSA41144
Boisduvalia cleistogama
Robert F. Hoover
1936-4-30
1069
Sacramento
5 miles northwest of Thornton
Comment
RSA41171
Boisduvalia cleistogama
Robert F. Hoover
1938-11-21
3889
Fresno
Near Pinedale on road to Friant
Comment
RSA41173
Boisduvalia cleistogama
Robert F. Hoover
1935-5-7
562
Merced
Near Athlone, San Joaquin Valley
Comment
RSA43103
Boisduvalia glabella
Robert F. Hoover
1946-6-30
6268
San Luis Obispo
4 mi. SE of Santa Margarita
Comment
CAS-BOT-BC31043
Bolboschoenus maritimus
Robert Francis Hoover
1964-7-11
9165
San Luis Obispo
Edna marsh
Comment
CAS-BOT-BC95395
Bowlesia incana
R. F. Hoover
1967-4-5
10348
San Luis Obispo
Between San Juan River and Carrizo Plain on Highway 58
Comment
UC765492
Bowlesia incana
Robert F. Hoover
1935-3-1
278
Stanislaus
Grayson
Comment
UC764839
Brassica rapa
R. F. Hoover
1938-4-1
2957
Santa Clara
Morgan Hill
Comment
CAS-BOT-BC106206
Brickellia californica
R. F. Hoover
1946-10-13
6496
Santa Barbara
Cuyama River Canyon near Clear Creek
Comment
JEPS18640
Brickellia californica
R. F. Hoover
1938-9-9
3830
Tuolumne
Head of Moccasin Creek
Comment
UC1285244
Brickellia californica
R. F. Hoover
1946-10-20
6517
San Luis Obispo
just below junction of Arroyo Seco (Upper Huasna River); Upper Huasna River
Comment
UC761991
Brickellia grandiflora
R. F. Hoover
1940-8-3
4524
Tuolumne
Relief Station
Comment
CAS-BOT-BC100588
Brickellia nevinii
R. F. Hoover
1952-11-1
8267
San Luis Obispo
Caliente Mt.
Comment
UC1285239
Brickellia nevinii
R. F. Hoover
1952-9-9
8331
San Luis Obispo
Caliente Mt.
Comment
OBI22477
Briza maxima
Robert F. Hoover
1965-5-22
9381
San Luis Obispo
Cambria, among pines N of town
Comment
SEINET4182957
Briza maxima
Robert F. Hoover
1941-5-14
5102
Sonoma
Hills north of Bodega.
Comment
UC768694
Briza maxima
Robert F. Hoover
1941-5-14
5102
Sonoma
hills n Bodega
Comment
OBI22482
Briza minor
Robert F. Hoover
1947-5-25
7219
San Luis Obispo
Cambria
Comment
UC1146323
Briza minor
R. F. Hoover
1965-5-22
9382
San Luis Obispo
Cambria; n of town
Comment
JEPS5495
Brodiaea appendiculata
R. F. Hoover
1936-4-29
1040
Stanislaus
Warnerville; ; Warnerville, Stanislaus Co.
Comment
UC768438
Brodiaea appendiculata
R. F. Hoover
1936-4-29
1040
Stanislaus
Warnerville
Comment
UC768449
Brodiaea appendiculata
R. F. Hoover
1936-4-30
1058
San Joaquin
Farmington
Comment
UC768439
Brodiaea appendiculata
R. F. Hoover
1939-5-10
4089
Placer
Lincoln
Comment
UC768722
Brodiaea californica var. californica
R. F. Hoover
1936-5-21
1172
Butte
3 mi n Cana
Comment
UC768706
Brodiaea coronaria subsp. coronaria
R. F. Hoover
1936-5-20
1141
Sutter
Riego
Comment Read comments Jun 17 2014
UC768718
Brodiaea coronaria subsp. coronaria
R. F. Hoover
1936-5-20
1154
Butte
10 mi sw Oroville
Comment
CAS-BOT-BC457059
Brodiaea coronaria subsp. coronaria
R. F. Hoover
1939-5-10
4095
Placer
2 miles se of Sheridan
Comment
UC1392860
Brodiaea elegans subsp. elegans
R. F. Hoover
1968-6-3
11145
Tuolumne
Phoenix Lake Road 2 mi e Sonora
Comment
UC768453
Brodiaea elegans subsp. elegans
R. F. Hoover
1938-6-19
3618
Tuolumne
3 mi e Sonora
Comment
UC768624
Brodiaea elegans subsp. elegans
R. F. Hoover
1938-6-14
3606
Sonoma
2 mi se Healdsburg
Comment
CAS-BOT-BC484262
Brodiaea elegans var. elegans
R. F. Hoover
1965-6-24
9450
Placer
2 mi. n. of Auburn on road to Grass Valley (Highway 49)
Comment
UC768619
Brodiaea jolonensis
R. F. Hoover
1939-5-3
4075
Monterey
Jolon
Comment
CAS-BOT-BC27867
Brodiaea minor
Robert Francis Hoover
1936-4-13
963
Merced
5 miles N of Snelling
Comment
UC768605
Brodiaea minor
R. F. Hoover
1937-5-19
2298
Tehama
6 mi s Corning
Comment
UC768606
Brodiaea minor
R. F. Hoover
1936-5-21
1191
Shasta
3 mi n Redding
Comment
JEPS5511
Brodiaea nana
R. F. Hoover
1936-4-29
1048
Stanislaus
Warnerville
Comment
SEINET196584
Brodiaea pallida
Robert F. Hoover
1938-1
Tuolumne
Comment
UC768707
Brodiaea terrestris subsp. kernensis
R. F. Hoover
1938-5-28
3486
San Benito
Hollister Airport
Comment
UC1296352
Brodiaea terrestris subsp. kernensis
R. F. Hoover
1950-4-30
7865
San Luis Obispo
La Panza Road 17 mi e Creston (sunny slope)
Comment
CAS-BOT-BC144274
Bromus arenarius
R. F. Hoover
1947-5-9
7135
San Luis Obispo
Calf Canyon east of Santa Margarita.
Comment
CAS-BOT-BC148964
Bromus carinatus var. carinatus
R. F. Hoover
1947-4-18
6952
San Luis Obispo
Mouth of San Simeon Creek on bluff above beach.
Comment
OBI22379
Bromus catharticus
Robert F. Hoover
1949-4-26
7635
San Luis Obispo
San Luis Obispo
Comment
CAS-BOT-BC155750
Bromus diandrus
R. F. Hoover
1964-4-14
8715
San Luis Obispo
San Luis Obispo.
Comment
UC1153382
Bromus grandis
R. F. Hoover
1950-6-20
7987
San Luis Obispo
6 mi w of Templeton (on road to Cambria)
Comment
UC766914
Bromus grandis
Robert F. Hoover
1941-5-25
5260
Monterey
Santa Luica Mts., Mill Creek
Comment
RSA201563
Bromus grandis
Robert F. Hoover
1950-6-21
7998
San Luis Obispo
Between Rocky Butte & Pine Mt., Santa Lucia Mts.
Comment
UC766829
Bromus hordeaceus
R. F. Hoover
1937-5-6
2079
San Joaquin
5 mi se of Stockton
Comment
CAS-BOT-BC162305
Bromus madritensis
R. F. Hoover
1949-5-14
7678
San Luis Obispo
Rocky Butte district, above San Simeon.
Comment
RSA201559
Bromus madritensis
Robert F. Hoover
1949-5-14
7678
San Luis Obispo
Rocky Butte district, above San Simeon.
Comment
UC766828
Bromus madritensis subsp. rubens
R. F. Hoover
1935-3-2
298
Merced
10 mi e of Turlock
Comment
OBI22392
Bromus madritensis subsp. rubens
Robert F. Hoover
1968-4-16
11028
San Luis Obispo
Cuyama River at "Gypsum Cyn bridge" north side of river
Comment
UC766912
Bromus orcuttianus
R. F. Hoover
1941-6-29
5391
Tuolumne
Road from Long Barn to Hull's Meadow
Comment
CAS-BOT-BC162027
Bromus pseudolaevipes
R. F. Hoover
1964-5-14
8861
San Luis Obispo
See Canyon.
Comment
OBI22416
Bromus pseudolaevipes
Robert F. Hoover
1946-6-15
6148
San Luis Obispo
Rinconada Mine (W of Pozo)
Comment
OBI22417
Bromus pseudolaevipes
Robert F. Hoover
1947-5-30
7237
San Luis Obispo
Huasna district
Comment
OBI22415
Bromus pseudolaevipes
Robert F. Hoover
1947-5-14
7170
San Luis Obispo
Steiner Crk ("Serrano Cyn")
Comment
RSA335343
Bromus rubens
D. A. Hoover
1985-3-16
49
San Bernardino
Top of Yucca Ridge Trail.
777
Comment
UC1146329
Bromus trinii
R. F. Hoover
1965-5-14
9361
San Luis Obispo
Santa Lucia Range, East Fork Corral de Peidra Creek Corral de Peidra Creek; Santa Lucia Range, Corral de Peidra Creek
Comment
SEINET7547865
Bulbostylis capillaris
Robert F. Hoover
1938-7-15
3651
Tuolumne
[No loc]
Comment
UC765079
Cakile edentula
R. F. Hoover
1941-2-12
4755
San Mateo
Half Moon Bay
Comment
UC765080
Cakile maritima
R. F. Hoover
1941-2-12
4753
San Mateo
Half Moon Bay
Comment
OBI22354
Calamagrostis koelerioides
Robert F. Hoover
1968-6-7
11165
San Diego
Hills W of Ramona (Barona Valley)
Comment
CAS-BOT-BC233926
Calandrinia breweri
R. F. Hoover
1947-3-26
6742
San Luis Obispo
Just south of Price Canyon
Comment
CAS-BOT-BC233929
Calandrinia breweri
R. F. Hoover
1947-3-19
6697
San Luis Obispo
Oak Park district
Comment
CAS-BOT-BC233932
Calandrinia breweri
R. F. Hoover
1951-4-15
8041
San Luis Obispo
Stoney Creek, tributary of Huasna River
Comment
OBI10813
Calandrinia breweri
Robert F. Hoover
1951-4-15
8041
San Luis Obispo
Stoney Crk, tributary of Huasna River
Comment
UC1285064
Calandrinia breweri
R. F. Hoover
1951-4-15
8041
San Luis Obispo
Stony Creek (tributary of Huasna River)
Comment
CAS-BOT-BC167334
California macrophylla
R. F. Hoover
1949-4-21
7623
San Luis Obispo
14 mi. E. of Creston on La Panza Rd.
Comment
OBI20937
Callitriche marginata
Robert F. Hoover
1965-4-25
9351
San Luis Obispo
Cambria, N of town
Comment
RSA216828
Calochortus clavatus var. recurvifolius
Robert F. Hoover
1969-7-17
11478
San Luis Obispo
Ridge northwest of Cuesta Pass
Comment
UC1296323
Calochortus luteus
R. F. Hoover
1955-6-14
8358
San Luis Obispo
2 mi n Arroyo de la Cruz (on State Highway 1)
Comment
CAS-BOT-BC490547
Calochortus luteus
R. F. Hoover
1968-5-28
11131
Shasta
Oak Run Road.
Comment
CAS-BOT-BC492534
Calochortus luteus
R. F. Hoover
1969-7-5
11423
San Luis Obispo
Pine woods north of Cambria
Comment
UC1392707
Calochortus luteus
R. F. Hoover
1968-6-19
11179
Monterey
Los Laureles Grade from Carmel Valley
Comment
CAS-BOT-BC132494
Calochortus pulchellus
R. F. Hoover
1968-5-16
11092
Contra Costa
Upper Marsh Creek
Comment
CAS-BOT-BC496871
Calochortus venustus
R. F. Hoover
1955-6-6
8363
Santa Barbara
Pt. Sal Ridge
Comment
CAS-BOT-BC273403
Calycadenia fremontii
R. F. Hoover
1940-9-22
4619
Tehama
Northeast of Red Bluff
Comment
JEPS20698
Calycadenia hooveri
R. F. Hoover
1937-6-8
2391
Stanislaus
between Warnerville and Knight's Ferry
Comment
CAS-BOT-BC106110
Calycadenia hooveri
R. F. Hoover
1966-8-31
9959
Stanislaus
North of Warnerville
Comment
CAS-BOT-BC270716
Calycadenia multiglandulosa
R. F. Hoover
1967-6-16
10637
Tuolumne
3 miles S of Chinese Camp
Comment
OBI16891
Calycadenia multiglandulosa
Robert F. Hoover
1967-6-16
10637
Tuolumne
3 mi S of Chinese camp
Comment
CAS-BOT-BC270031
Calycadenia multiglandulosa
R. F. Hoover
1937-6-30
2581
Tulare
Sand Creek Valley, E of Orange Cove
Comment
CAS-BOT-BC270607
Calycadenia multiglandulosa
R. F. Hoover
1947-9-21
7404
Monterey
Cholame Valley 9 miles S of Parkfield
Comment
OBI16893
Calycadenia multiglandulosa
Robert F. Hoover
1947-9-21
7404
Monterey
Cholame Valley 9 mi S of Parkfield
Comment
UC1357608
Calycadenia spicata
R. F. Hoover
1966-8-31
9960
Stanislaus
Warnerville
Comment
UC762516
Calycadenia spicata
R. F. Hoover
1934-9-16
174
Stanislaus
8 mi e Oakdale
Comment
UC762517
Calycadenia spicata
R. F. Hoover
1938-7-30
3708
Amador
3 mi w of Ione
Comment
CAS-BOT-BC275438
Calycadenia spicata
R. F. Hoover
1937-7-3
2595
Stanislaus
Near La Grange, on road to Snelling
Comment
OBI39873
Calyptridium monandrum
D. Hoover
1985-3-17
76
San Bernardino
Big Morongo Preserve. Hill S of the Barn Loop Trl
762
Comment
JEPS31655
Calystegia
R. F. Hoover
1937-6-3
2357
Stanislaus
In Sierra Nevada foothills as far s as Stanislaus County (Knights Ferry); Sierra Nevada foothills, Knights Ferry
Comment
CAS-BOT-BC221404
Calystegia longipes
R. F. Hoover
1966-7-13
9895
San Luis Obispo
5 1/2 mi. se. of Santa Margarita. West of Salinas River opposite Pilitas Creek
Comment
CAS-BOT-BC221410
Calystegia longipes
R. F. Hoover
1947-4-20
6968
San Luis Obispo
Hill above Salinas River opposite mouth of Pilitas Creek
Comment
CAS-BOT-BC221389
Calystegia macrostegia subsp. cyclostegia
R. F. Hoover
1966-10-7
10122
San Luis Obispo
Cuyama River at mouth of Chimney Canyon
Comment
CAS-BOT-BC221168
Calystegia malacophylla subsp. pedicellata
R. F. Hoover
1966-5-11
9848
San Luis Obispo
Between Santa Margarita and Atascadero, crossing of Santa Barbara Road and Highway 101
Comment
RSA41311
Camissonia campestris subsp. campestris
Robert F. Hoover
1941-3-24
4811
Kings
Tar Canyon road, in foothills southwest of Avenal
Comment
UC764049
Camissonia campestris subsp. campestris
R. F. Hoover
1937-4-10
1777
Fresno
9 mi s Kerman
Comment
OBI11987
Camissonia campestris subsp. campestris
Robert F. Hoover
1952-4-10
8103
San Luis Obispo
La Panza district, just W of San Juan river
Comment
OBI11986
Camissonia campestris subsp. obispoensis
Robert F. Hoover
1947-4-20
6993
San Luis Obispo
Yaro Crk district N of Pozo
Comment
RSA41313
Camissonia cheiranthifolia subsp. cheiranthifolia
Robert F. Hoover
1941-5-21
5149
Marin
Point Reyes
Comment
UC763983
Camissonia contorta
Robert F. Hoover
1936-4-5
889
Stanislaus
Modesto
Comment
UCR162978
Camissonia pallida
D. A. Hoover
1985-3-17
067
San Bernardino
Little San Bernardino Mountains, Big Morongo Preserve of the Nature Conservancy, south of Morongo Valley, in a small wash off the Canyon Trail 0.5 mi downstream from the Kiosk
732
Comment
UCR97207
Camissonia pallida
D. Hoover
1986-4-6
743
San Bernardino
Little San Bernardino Mtns/Southern Mojave Desert, Big Morongo Preserve, south of Morongo Valley, W bank of main wash north of Desert Wash Trail
823
Comment
CAS-BOT-BC160290
Camissoniopsis cheiranthifolia subsp. cheiranthifolia
R. F. Hoover
1964-6-13
9092
San Luis Obispo
Point Sierra Nevada, just north of Arroyo de la Cruz
Comment
OBI12014
Camissoniopsis cheiranthifolia subsp. cheiranthifolia
Robert F. Hoover
1947-7-11
7299
San Luis Obispo
S end of Morro Bay
Comment
OBI11900
Camissoniopsis hirtella
Robert F. Hoover
1967-5-5
10524
San Luis Obispo
Ridge NW of Cuesta Pass
Comment
OBI11899
Camissoniopsis micrantha
Robert F. Hoover
1947-4-26
7099
San Luis Obispo
10 mi E of Creston on La Panza rd
Comment
UC764575
Campanula griffinii
Robert F. Hoover
1941-6-7
5310
Sonoma
two mi se Monte Rio (on road to Camp Meeker)
Comment
UC762891
Cardamine californica
R. F. Hoover
1938-2-22
2771
Solano
American Canyon
Comment Read comments Jan 23 2015
CAS-BOT-BC37647
Cardamine californica
R. F. Hoover
1947-1-4
6582
San Luis Obispo
Upper Arroyo Grande 6 miles above County Park.
Comment
UC1296156
Cardamine californica var. californica
R. F. Hoover
1947-1-4
6582
San Luis Obispo
6 mi above County Park (Upper Arroyo Grande); , above County Park
Comment
GH378994
Cardamine californica var. integrifolia
R. F. Hoover
1938-2-22
2771
Unknown
American Canyon
Comment
HSC104077
Carduus pycnocephalus
L. Hoover, S. Carothers
2002-6-27
Trinity
Six Rivers National Forest; Shannon Butte
Comment
CAS-BOT-BC19678
Carex brainerdii
Robert Francis Hoover
1941-6-15
5350
Tuolumne
Trail from Brightman Flat to Eagle Meadow.
Comment
OBI6453
Carex cusickii
Robert F. Hoover
1950-5-11
7906
San Luis Obispo
Upper Arroyo Grande above County park
Comment
OBI6440
Carex globosa
Robert F. Hoover
1950-5-30
7940
San Luis Obispo
Mouth of Arroyo de la Cruz (just S of)
Comment
UC1153403
Carex globosa
R. F. Hoover
1964-5-15
8887
San Luis Obispo
s San Carpoforo Creek; Pine Top Mt.
Comment
OBI6437
Carex globosa
Robert F. Hoover
1946-6-23
6184
San Luis Obispo
Summit at head of Carpenter Cyn, N of Arroyo Grande
Comment
CAS-BOT-BC146606
Carex gynodynama
Robert F. Hoover
1942-6-12
5900
Monterey
West side of Huckleberry Hill
Comment
OBI6411
Carex harfordii
Robert F. Hoover
1947-3-19
6698
San Luis Obispo
Oak Park district
Comment
OBI6417
Carex harfordii
Robert F. Hoover
1947-6-2
7259
San Luis Obispo
Cambria
Comment
UC767034
Carex hassei
R. F. Hoover
1939-7-21
4142
Tuolumne
n side of Pigeon Flat Pigeon Flat
Comment
UC766058
Carex lenticularis var. lipocarpa
R. F. Hoover
1936-7-3
1472
Tuolumne
Eagle Meadow
Comment
CAS-BOT-BC119429
Carex nudata
R. F. Hoover
1947-3-23
6720
San Luis Obispo
Rinconada Mine, W of Pozo
Comment
CAS-BOT-BC119432
Carex nudata
R. F. Hoover
1964-5-13
8843
San Luis Obispo
Santa Rita Creek W of Templeton.
Comment
OBI22645
Carex nudata
Robert F. Hoover
1964-5-13
8828
San Luis Obispo
Tassajera Crk
Comment
OBI22646
Carex nudata
Robert F. Hoover
1947-3-23
6720
San Luis Obispo
Rinconada Mine, W of Pozo
Comment
OBI22647
Carex nudata
Robert F. Hoover
1947-3-21
6706
San Luis Obispo
Calif Polytechnic campus
Comment
UC767140
Carex nudata
R. F. Hoover
1941-5-10
5015
Lake
St. Helena Creek 2 mi S of Middletown
Comment
OBI6397
Carex obispoensis
Robert F. Hoover
1947-5-24
7208
San Luis Obispo
Rinconada Mine
Comment
OBI6400
Carex obispoensis
Robert F. Hoover
1958-3-26
8436
San Luis Obispo
Ridge of Santa Lucia Mts NW of Cuesta Pass
Comment
SD71402
Carex obispoensis
R. F. Hoover
1958-3-26
8436
San Luis Obispo
Ridge of Santa Lucia Mountains; northwest of Cuesta Pass.
Comment
OBI23535
Carex obnupta
Robert F. Hoover
1969-9-23
11608
San Luis Obispo
Morro Bay, S end
Comment
CAS-BOT-BC117322
Carex spissa
R. F. Hoover
1947-4-27
7113
San Luis Obispo
Morro Creek, above base of grade on Hwy to Atascadero along rivulets.
Comment
CAS-BOT-BC117323
Carex spissa
R. F. Hoover
1947-4-27
7113
San Luis Obispo
Morro Creek, above base of grade on Hwy to Atascadero along rivulets.
Comment
OBI22668
Carex subbracteata
Robert F. Hoover
1948-5-22
7535
San Luis Obispo
7 mi W of Templeton on rd to Cambria
Comment
UC767130
Carex subbracteata
Robert F. Hoover
1941-5-12
5062
Marin
head Drake's Estero
Comment
CAS-BOT-BC116848
Carex subbracteata var. subbracteata
R. F. Hoover
1948-5-22
7535
San Luis Obispo
7 miles W of Templeton on road to Cambria
Comment
OBI22669
Carex subfusca
Robert F. Hoover
1936-6-18
1332
Alpine
Douglas Station
Comment
CAS-BOT-BC115549
Carex tumulicola
R. F. Hoover
1964-6-7
8989
San Luis Obispo
San Carpoforo Creek just above Windy Point.
Comment
OBI22636
Carex tumulicola
Robert F. Hoover
1964-6-7
8989
San Luis Obispo
San Carpoforo Crk just above Windy Point
Comment
OBI22637
Carex tumulicola
Robert F. Hoover
1950-5-30
7944
San Luis Obispo
Mouth of Arroyo de la Cruz (just S of)
Comment
CAS-BOT-BC248922
Castilleja
R. F. Hoover
1952-5-25
8222
San Luis Obispo
Caliente Mt.
Comment
OBI9665
Castilleja affinis
Robert F. Hoover
1967-5-6
10556
San Luis Obispo
S of Oso Flaco Lake
Comment
OBI9669
Castilleja affinis
Robert F. Hoover
1950-5-13
7912
San Luis Obispo
Near Oso Flaco Lake
Comment
UC765666
Castilleja affinis subsp. neglecta
R. F. Hoover
1939-4-8
3961
Marin
Tiburon
Comment
UC765536
Castilleja applegatei subsp. disticha
R. F. Hoover
1938-8-17
3779
Mariposa
Bridalveil Creek canyon; above the falls
Comment
JEPS35317
Castilleja applegatei subsp. martinii
R. F. Hoover
1964-5-11
8793
San Luis Obispo
near Mountain Springs Camp
Comment Read comments Jun 26 2013
UC765537
Castilleja applegatei subsp. pallida
R. F. Hoover
1936-6-20
1363
Tuolumne
Eagle Peak
Comment
UC1314911
Castilleja attenuata
R. F. Hoover
1967-4-5
10346
San Luis Obispo
between San Juan River and Carrizo Plain (on Highway 58)
Comment
JEPS3772
Castilleja brevistyla
R. F. Hoover
1940-3-22
4238
Fresno
9 mi s Mendota
Comment
RSA516634
Castilleja brevistyla
Robert F. Hoover
1940-3-23
4263
Kings
Kettleman Hills above Avenal,
Comment
JEPS4558
Castilleja campestris subsp. campestris
R. F. Hoover
1937-5-18
2201
Sacramento
Rio Linda
Comment
UC595975
Castilleja campestris subsp. campestris
R. F. Hoover
1937-5-4
2028
Stanislaus
2 mi s Oakdale
Comment
OBI9407
Castilleja densiflora subsp. gracilis
Robert F. Hoover
1967-4-8
10373
San Luis Obispo
Carrizo Plain near N end of Soda Lake
Comment
UC1315042
Castilleja densiflora subsp. gracilis
R. F. Hoover
1967-4-8
10369
San Luis Obispo
18 mi se Creston (on La Panza road)
Comment
UC596333
Castilleja exserta
R. F. Hoover
1935-3-18
379
Stanislaus
near Grayson (on e side of San Joaquin River); San Joaquin River
Comment
UC1392666
Castilleja exserta
R. F. Hoover
1968-4-16
11020
San Luis Obispo
Gypsum Canyon bridge Cuyama River (n side of Cuyama River)
Comment
UC1392990
Castilleja exserta
Robert F. Hoover
1969-5-16
11311
Monterey
Marina
Comment
JEPS10400
Castilleja exserta subsp. exserta
R. F. Hoover
1935-3-30
454
Kern
between Lost Hills and Semitropic
Comment
JEPS35082
Castilleja exserta subsp. exserta
R. F. Hoover
1964-6-6
8963
San Luis Obispo
Los Osos
Comment
JEPS10395
Castilleja exserta subsp. latifolia
R. F. Hoover
1941-5-25
5243
Monterey
near Pacific Grove (on road to Carmel)
Comment
JEPS7437
Castilleja exserta subsp. latifolia
R. F. Hoover
1948-6-7
7543
San Luis Obispo
1.8 mi n Arroyo de la Cruz (on State Highway 1)
Comment
OBI9709
Castilleja foliolosa
Robert F. Hoover
1947-3-26
6758
San Luis Obispo
Oak Park district
Comment
OBI9679
Castilleja latifolia
Robert F. Hoover
1950-5-30
7948
San Luis Obispo
Mouth of Arroyo de la Cruz (just S of)
Comment
UC765667
Castilleja lemmonii
R. F. Hoover
1940-8-1
4472
Tuolumne
upper end Emigrant Lake
Comment
OBI9658
Castilleja miniata var. miniata
Robert F. Hoover
1947-8-8
7357
San Luis Obispo
Oceano
Comment
CAS-BOT-BC241097
Castilleja mollis
R. F. Hoover
1950-5-13
7912
San Luis Obispo
Near Oso Flaco Lake
Comment
CAS-BOT-BC241068
Castilleja plagiotoma
R. F. Hoover
1967-3-27
10276
San Luis Obispo
Chalk Mt., Cuyama Valley
Comment
UC1315059
Castilleja plagiotoma
R. F. Hoover
1967-4-16
10477
San Luis Obispo
near n end Elkhorn Plains (canyon in the Temblor Range); Temblor Range
Comment
UC765665
Castilleja subinclusa subsp. franciscana
R. F. Hoover
1939-4-8
3969
Marin
Stinson Beach
Comment
JEPS4334
Castilleja tenuis
R. F. Hoover
1936-7-14
1558
Tuolumne
Eagle Meadow
Comment
CAS-BOT-BC38256
Caulanthus anceps
R. F. Hoover
1952-4-8
8074
San Luis Obispo
La Panza district.
Comment
OBI14941
Caulanthus anceps
Robert F. Hoover
1958-3-19
8417
San Luis Obispo
S end of Soda Lake, Carrizo plain
Comment
RSA201579
Caulanthus anceps
Robert F. Hoover
1958-3-19
8417
San Luis Obispo
South of Soda Lake, Carrizo Plain.
Comment
OBI14929
Caulanthus californicus
Robert F. Hoover
1958-1
San Luis Obispo
Comment
UC764951
Caulanthus cooperi
R. F. Hoover
1938-4-16
3130
Kern
2 mi n Rosamond; n of Rosamond
Comment
CAS-BOT-BC40961
Caulanthus coulteri
R. F. Hoover
1949-4-12
7595
Santa Barbara
Cuyama Canyon 12 miles below Gypusm Canyon Highway Bridge, south side of river.
Comment
GH379088
Caulanthus coulteri var. lemmonii
R. F. Hoover
1938-4-2
2982
Unknown
Lower Arroyo Seco canyon (small ravine to north)
Comment
CAS-BOT-BC40457
Caulanthus inflatus
R. F. Hoover
1969-4-14
11240
San Bernardino
6 miles east of Kramer Junction.
Comment
UC765006
Caulanthus inflatus
Robert F. Hoover
1935-3-29
415
Fresno
Flood-plain Little Panoche Creek
Comment
CAS-BOT-BC40461
Caulanthus inflatus
R. F. Hoover
1950-4-2
7795
San Luis Obispo
6 miles east of Simmler, Carrizo Plain.
Comment
OBI14898
Caulanthus lasiophyllus
Robert F. Hoover
1967-3-27
10296
San Luis Obispo
Chalk Mt, N side of Cuyama Valley
Comment
CAS-BOT-BC39496
Caulanthus lemmonii
R. F. Hoover
1967-4-9
10404
San Luis Obispo
Canyon in Temblor Range near north end of Elkhorn Plain.
Comment
OBI14885
Caulanthus lemmonii
Robert F. Hoover
1952-4-8
8076
San Luis Obispo
La Panza District
Comment
CAS-BOT-BC48991
Ceanothus cuneatus
R. F. Hoover
1947-2-23
6620
San Luis Obispo
Upper Arroyo Grande 6 mi. above County Park
Comment
CAS-BOT-BC49022
Ceanothus cuneatus
R. F. Hoover
1948-3-27
7433
San Luis Obispo
Steiner Creek near San Luis Obispo
Comment
UC1392755
Ceanothus cuneatus var. fascicularis
R. F. Hoover
1968-12-26
11181
San Luis Obispo
Los Osos
Comment
CAS-BOT-BC49079
Ceanothus cuneatus var. ramulosus
R. F. Hoover
1954-2-7
8334
San Luis Obispo
Mesa west of Nipomo
Comment
OBI10255
Ceanothus dentatus
Robert F. Hoover
1964-3-1
8640
Monterey
S edge of Monterey airport
Comment
GH349319
Ceanothus foliosus
R. F. Hoover
1939-4-8
3970
Unknown
South base of Mt. Tamalpais
Comment
OBI10526
Ceanothus foliosus
Robert F. Hoover
1947-5-31
7241
San Luis Obispo
Pine Mtn of la Panza range
Comment
UC1276238
Ceanothus foliosus var. medius
R. F. Hoover
1964-4-15
8723
San Luis Obispo
ridge to nw. Cuesta Pass
Comment
UC765879
Ceanothus fresnensis
R. F. Hoover
1937-6-26
2541
Tuolumne
Confidence
Comment
UC765880
Ceanothus fresnensis
R. F. Hoover
1937-6-24
2516
Tuolumne
Ridge between Long Barn and Cold Springs.
Comment
OBI10256
Ceanothus hearstiorum
Robert F. Hoover
1952-5-10
8162
San Luis Obispo
Near mouth of Arroyo de la Cruz, (just S of)
Comment
UC1392845
Ceanothus hearstiorum
R. F. Hoover
1968-4-20
11066
San Luis Obispo
Mesa summit S of Arroyo de la Cruz
Comment
GH349681
Ceanothus jepsonii
R. F. Hoover
1939-4-18
4042
Unknown
Occidental
Comment
UC766014
Ceanothus jepsonii
R. F. Hoover
1939-4-18
4042
Sonoma
Occidental
Comment
UC762250
Ceanothus leucodermis
R. F. Hoover
1941-4-19
4869
Stanislaus
Middle part of Del Puerto Canyon
Comment
CAS-BOT-BC63542
Ceanothus leucodermis
R. F. Hoover
1957-4-15
8379
San Luis Obispo
Upper Arroyo Grande. 5 mi. above County Park.
Comment
CAS-BOT-BC51578
Ceanothus oliganthus var. sorediatus
R. F. Hoover
1947-4-2
6865
San Luis Obispo
Upper Arroyo Grande 6mi. above County Park
Comment
UC1276246
Ceanothus papillosus
R. F. Hoover
1963-5-4
8555
San Luis Obispo
Upper Coon Creek San Luis Range, Upper Coon Creek
Comment
CAS-BOT-BC51226
Ceanothus papillosus
R. F. Hoover
1949-5-14
7683
San Luis Obispo
Region of Rocky Butte, above San Simeon
Comment
OBI10364
Ceanothus rigidus
Robert F. Hoover
1962-3-10
8535
Monterey
Marina
Comment
OBI10330
Ceanothus thyrsiflorus
Robert F. Hoover
1947-3-16
6682
San Luis Obispo
San Carpoforo Crk
Comment
OBI10504
Ceanothus thyrsiflorus var. griseus
Robert F. Hoover
1963-5-4
8558
San Luis Obispo
Upper Coon crk, San Luis Range
Comment
OBI10502
Ceanothus thyrsiflorus var. griseus
Robert F. Hoover
1963-5-4
8558
San Luis Obispo
[Montana de Oro] Upper Coon Crk, San Luis Range
Comment
UC768849
Cenchrus longispinus
R. F. Hoover
1934-10-21
61
Stanislaus
Modesto
Comment
OBI16866
Centaurea solstitialis
Robert F. Hoover
1964-7-9
9121
San Luis Obispo
Santa Margarita, along railway
Comment
UC763205
Centaurium muehlenbergii
R. F. Hoover
1935-6-12
660
Stanislaus
Valley Home
Comment
UC763206
Centaurium muehlenbergii
Robert F. Hoover
1935-6-12
649
San Joaquin
Farmington
Comment
UC763207
Centaurium muehlenbergii
R. F. Hoover
1937-6-8
2386
Stanislaus
Warnerville
Comment
JEPS12557
Centromadia fitchii
Robert F. Hoover
1934-9-16
178
Stanislaus
Oakdale
Comment
OBI16181
Centromadia parryi subsp. congdonii
Robert F. Hoover
1966-9-8
9963
Monterey
In formerly cultivated field on Old Stage Road S of intersection of Old Natividad rd
Comment
UC1321351
Centromadia parryi subsp. congdonii
R. F. Hoover
1966-9-8
9963
Monterey
in field on Old Stage Road s of intersection with Old Natividad Road; Natividad
Comment
UC1392617
Centromadia parryi subsp. congdonii
R. F. Hoover
1969-8-15
11545
San Luis Obispo
valley w Mt. Bishop
Comment
OBI16183
Centromadia parryi subsp. congdonii
Robert F. Hoover
1946-8-24
6332
San Luis Obispo
Laguna near SLO
Comment
OBI16250
Centromadia pungens subsp. laevis
Robert F. Hoover
1968-6-6
11150
Riverside
1 mi East of Perris
Comment
JEPS12581
Centromadia pungens subsp. pungens
R. F. Hoover
1940-10-1
4657
Lassen
between Janesville and Standish; Honey Lake
Comment
OBI16135
Centromadia pungens subsp. pungens
Robert F. Hoover
1969-9-27
11622
San Benito
San Felipe lake
Comment
OBI16136
Centromadia pungens subsp. pungens
Robert F. Hoover
1965-9-19
9616
San Luis Obispo
Near San Juan River, La Panza Ranch
Comment
CAS-BOT-BC400162
Ceratophyllum demersum
R. F. Hoover
1967-10-7
10882
San Luis Obispo
Oso Flaco Lake
Comment
CAS-BOT-BC400163
Ceratophyllum demersum
R. F. Hoover
1964-8-14
9280
San Luis Obispo
Oso Flaco Lake
Comment
OBI77916
Ceratophyllum demersum
Robert F. Hoover
1964-8-14
9280
San Luis Obispo
Oso Flaco Lake
Comment
OBI10210
Cercocarpus montanus var. glaber
Robert F. Hoover
1950-6-5
7976
San Luis Obispo
Ridge NW of Cuesta Pass
Comment
UC762515
Chaenactis alpigena
R. F. Hoover
1940-8-1
4481
Tuolumne
canyon above Emigrant Lake
Comment
UC596100
Chaenactis douglasii var. douglasii
R. F. Hoover
1938-6-9
3549
Lake
between Burns Valley and Borax Lake
Comment
CAS-BOT-BC283990
Chaenactis fremontii
R. F. Hoover
1968-3-24
10941
San Bernardino
S side of Pickhandle Pass, N of Barstow
Comment
OBI16849
Chaenactis fremontii
Robert F. Hoover
1967-3-27
10293
San Luis Obispo
Chalk Mt, cuyama Valley
Comment
OBI16853
Chaenactis fremontii
Robert F. Hoover
1967-6-4
10599
San Luis Obispo
Cyn in Temblor range near N end of Elkhorn Plain
Comment
UC1285393
Chaenactis fremontii
R. F. Hoover
1952-4-19
8120
San Luis Obispo
n side of lower Cuyama Valley
Comment
UC1285389
Chaenactis glabriuscula var. glabriuscula
R. F. Hoover
1964-6-6
8960
San Luis Obispo
Los Osos
Comment
UC596273
Chaenactis glabriuscula var. glabriuscula
R. F. Hoover
1935-4-14
537
Stanislaus
13 mi e of Waterford (Gobin Ranch)
Comment
OBI16794
Chaenactis glabriuscula var. glabriuscula
Robert F. Hoover
1947-3-30
6814
San Luis Obispo
Middle Branch of Huerhuero Crk N of Wells Corner
Comment
CAS-BOT-BC277579
Chaenactis glabriuscula var. lanosa
R. F. Hoover
1967-5-6
10527
San Luis Obispo
At Jack Lake
Comment
UC1315067
Chaenactis glabriuscula var. lanosa
R. F. Hoover
1967-3-22
10267
San Luis Obispo
w of Simmler (hills at w edge of Carrizo Plain); Carrizo Plain
Comment
CAS-BOT-BC277576
Chaenactis glabriuscula var. lanosa
R. F. Hoover
1950-4-18
7838
San Luis Obispo
North edge of Santa Maria Valey s. of Nipomo
Comment
CAS-BOT-BC279630
Chaenactis stevioides
R. F. Hoover
1952-4-20
8148
San Luis Obispo
Between San Juan River and Carrizo Plain
Comment
OBI16823
Chaenactis stevioides
Robert F. Hoover
1952-5-25
8239
San Luis Obispo
S end of Soda Lake, Carrizo Plain
Comment
OBI16821
Chaenactis stevioides
Robert F. Hoover
1967-3-22
10257
San Luis Obispo
Temblor Range E of Soda Lake, in second large cyn N from Crocker Grade
Comment
OBI77380
Chaenactis xantiana
Robert F. Hoover
1965-4-15
9343
San Luis Obispo
Hill W of Shell Crk, S slope
Comment
UC765108
Chamaesyce ocellata
R. F. Hoover
1934-10-21
58
Merced
Atwater
Comment
UC765116
Chamaesyce ocellata
Robert F. Hoover
1936-6-10
1290
Stanislaus
10 mi s Modesto
Comment
UC765117
Chamaesyce ocellata
Robert F. Hoover
1936-7-31
1584
Sacramento
Galt
Comment
UC765109
Chamaesyce serpyllifolia
R. F. Hoover
1934-10-20
59
Stanislaus
10 mi s Modesto
Comment
CAS-BOT-BC70088
Cheilanthes covillei
R. F. Hoover
1947-1-5
6588
San Luis Obispo
West slope of La Panza Range
Comment
UC767687
Chenopodium botrys
Robert F. Hoover
1935-5-28
593
Merced
Snelling
Comment
UC596374
Chenopodium californicum
R. F. Hoover
1935-1-7
134
Stanislaus
Modesto
Comment
UC767686
Chenopodium desiccatum
R. F. Hoover
1934-10-21
120
Stanislaus
Modesto
Comment
CAS-BOT-BC471336
Chenopodium leptophyllum
R. F. Hoover
1965-8-27
9510
Stanislaus
12 miles E of Waterford
Comment
OBI17235
Chenopodium littoreum
Robert F. Hoover
1966-5-15
9856
San Luis Obispo
Jack Lake
Comment
UC768779
Chloris virgata
R. F. Hoover
1936-10-3
1624
Stanislaus
near Oakdale; near Oakdale
Comment
RSA201740
Chondrilla juncea
Robert F. Hoover
1965-9-7
9545
San Luis Obispo
Cuesta Pass
Comment
CAS-BOT-BC178924
Chorizanthe angustifolia
R. F. Hoover
1964-7-11
9179
San Luis Obispo
3 mi NW of Nipomo
Comment
CAS-BOT-BC178982
Chorizanthe biloba
R. F. Hoover
1946-6-16
6172
San Luis Obispo
W slope of Carrizo Plain, at tops of grade leading from San Jaun River
Comment
UC1296113
Chorizanthe diffusa
R. F. Hoover
1964-7-11
9184
San Luis Obispo
3 mi nw Nipomo; nw of Nipomo
Comment
UC1296117
Chorizanthe douglasii
R. F. Hoover
1947-4-20
6969
San Luis Obispo
Pilitas Creek district
Comment
UC1296119
Chorizanthe obovata
R. F. Hoover
1946-6-2
6112
San Luis Obispo
on road to Pozo 5 mi se Santa Margarita; se of Santa Margarita
Comment
CAS-BOT-BC252737
Chorizanthe palmeri
R. F. Hoover
1964-7-11
9190
San Luis Obispo
San Bernardino Creek east of Morro Bay
Comment
OBI11197
Chorizanthe palmeri
Robert F. Hoover
1946-6-22
6180
San Luis Obispo
Calif Polytechnic School range, San Luis Obispo
Comment
OBI11196
Chorizanthe palmeri
Robert F. Hoover
1946-6-22
6181
Monterey
Coastal slope below Mt. Mars
Comment
OBI11203
Chorizanthe polygonoides
Robert F. Hoover
1950-3-31
7776
San Luis Obispo
18 mi E of Creston on La Panz Rd
Comment Read comments May 27 2013
CAS-BOT-BC252822
Chorizanthe polygonoides var. polygonoides
R. F. Hoover
1952-5-6
8160
San Luis Obispo
18 mi. E of Creston on La Panza Road
Comment
NY32485
Chorizanthe pungens
R. F. Hoover
1941-5-24
5223
Monterey
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
CAS-BOT-BC255268
Chorizanthe staticoides
R. F. Hoover
1946-6-16
6163
San Luis Obispo
La Panza District
Comment
CAS-BOT-BC255272
Chorizanthe staticoides
R. F. Hoover
1946-6-2
6124
San Luis Obispo
La Panza district
Comment
UC1296124
Chorizanthe staticoides
R. F. Hoover
1949-5-15
7693
San Luis Obispo
on La Panza Road 18 mi e Creston; e of Creston
Comment
OBI11170
Chorizanthe watsonii
Robert F. Hoover
1950-5-6
7889
San Luis Obispo
Between San Juan River and Carrizo Plain
Comment
OBI11161
Chorizanthe xanti
Robert F. Hoover
1946-6-2
6132
San Luis Obispo
W edge of Carrizo Plain, W of Simmler
Comment
OBI11163
Chorizanthe xanti
Robert F. Hoover
1949-6-4
7751
San Luis Obispo
At San Juan River on Pozo-Simmler Rd
Comment
CAS-BOT-BC255370
Chorizanthe xanti var. xanti
R. F. Hoover
1967-6-4
10608
San Luis Obispo
Canyon in Temblor Range near north end of Elkhorn Plain
Comment
GH344086
Chrysolepis chrysophylla
R. F. Hoover
1938-9-18
3845
Unknown
Tomales Point
Comment
OBI23317
Chylismia claviformis
Robert F. Hoover
1969-4-14
11233
Riverside
Palm Springs, just S of S city limit
Comment
UC763068
Chylismia claviformis subsp. claviformis
R. F. Hoover
1938-4-16
3152
Kern
Redrock Canyon
Comment
OBI9004
Cicuta douglasii
Robert F. Hoover
1947-7-27
7337
San Luis Obispo
Black Lake Cyn, S of Arroyo Grande
Comment
SD71438
Cicuta maculata var. angustifolia
R. F. Hoover
1947-7-27
7337
San Luis Obispo
Black Lake Canyon, south of Arroyo Grande
Comment
OBI16754
Cirsium andersonii
Robert F. Hoover
1967-9-5
10837
Placer
Carnelian Bay, Lake Tahoe
Comment
OBI16752
Cirsium brevistylum
Robert F. Hoover
1946-8-26
6362
San Luis Obispo
Baywood Park
Comment
RSA201542
Cirsium fontinale var. obispoense
Robert F. Hoover
1951-6-21
8025
San Luis Obispo
San Simeon Creek just below forks
Comment
JEPS59134
Cirsium occidentale var. californicum
R. F. Hoover
1936-4-29
1025
Stanislaus
Kinght's Ferry
Comment
OBI16722
Cirsium occidentale var. lucianum
Robert F. Hoover
1964-6-5
8932
San Luis Obispo
Near summit of ridge W of upper Lopez Cyn
Comment
UC1276307
Cirsium occidentale var. occidentale
R. F. Hoover
1964-6-6
8967
San Luis Obispo
Los Osos
Comment
UC761993
Cirsium quercetorum
R. F. Hoover
1941-5-14
5104
Marin
near Tomales
Comment
OBI16719
Cirsium rhothophilum
Robert F. Hoover
1950-5-13
7914
San Luis Obispo
Near Oso Flaco Lake
Comment
UC1276309
Cirsium rhothophilum
R. F. Hoover
1950-5-13
7914
San Luis Obispo
near Oso Flaco L.; Oso Flaco Lake
Comment
UCR40280
Cirsium vulgare
D. A. Hoover
1985-8-14
642
San Bernardino
Little San Bernardino Mtns, Big Morongo Preserve, south of town of Morongo Valley, in Big Morongo Canyon. Beside the platform at the end of the cottonwood trail in cattail marsh at edge of riparian area
762
Comment Read comments Jun 15 2009
RSA41298
Clarkia biloba subsp. biloba
Robert F. Hoover
1937-6-3
2368
Tuolumne
3 miles north of Keystone
Comment
OBI12127
Clarkia cylindrica
Robert F. Hoover
1947-5-24
7196
San Luis Obispo
Pilitas Crk district
Comment
CAS-BOT-BC164339
Clarkia dudleyana
Robert F. Hoover
1938-5-9
3378
Stanislaus
Knight's Ferry
Comment
CAS-BOT-BC164341
Clarkia dudleyana
Robert F. Hoover
1937-6-15
2452
Tuolumne
Foot of grade below Confidence
Comment
CAS-BOT-BC172000
Clarkia epilobioides
Robert F. Hoover
1941-4-23
4904
San Mateo
Redwood City Hills
Comment
UC1005297
Clarkia lewisii
A. N. Hoover, Mary Hoover
1955-5-23
220
San Benito
e side Old Pinnacles; Pinnacles National Monument
457
Comment Read comments Apr 14 2008
CAS-BOT-BC163303
Clarkia modesta
R. F. Hoover
1938-5-8
3365
Stanislaus
Del Puerto Canyon
Comment
OBI78328
Clarkia modesta
Robert F. Hoover
1952-5-11
8198
San Luis Obispo
Burned over at Navajo Camp, La Panza Range
Comment
UC762208
Clarkia modesta
R. F. Hoover
1938-5-17
3470
Fresno
e base Black Mt.; Big Sandy Valley
Comment
UC762849
Clarkia modesta
R. F. Hoover
1938-5-16
3447
Madera
near Chowchilla River (on Mariposa-Raymond road)
Comment
UCD104809
Clarkia modesta
R. F. Hoover
1952-5-11
8198
San Luis Obispo
San Luis Obispo County: Navajo Camp, La Panza Range.
Comment
OBI12099
Clarkia purpurea subsp. purpurea
Robert F. Hoover
1968-5-28
11110
Shasta
Redding Airport
Comment
OBI12104
Clarkia purpurea subsp. purpurea
Robert F. Hoover
1947-4-25
7065
San Luis Obispo
2 mi S of Arroyo Grande
Comment
RSA41134
Clarkia purpurea subsp. quadrivulnera
Robert F. Hoover
1936-4-29
1029
Stanislaus
Knight s Ferry
Comment
UC762181
Clarkia purpurea subsp. quadrivulnera
R. F. Hoover
1937-5-4
2034
Stanislaus
8 mi e Oakdale
Comment
CAS-BOT-BC165028
Clarkia rostrata
Robert F. Hoover
1937-5-4
2022
Stanislaus
4 miles south of Oakdale
Comment
UC762215
Clarkia rostrata
R. F. Hoover
1936-4-29
1035
Stanislaus
Knight's Ferry
Comment
CAS-BOT-BC165243
Clarkia speciosa subsp. immaculata
R. F. Hoover
1946-6-23
6185
San Luis Obispo
Summit at head of Carpenter Canyon n. of Arroyo Grande
Comment
OBI12086
Clarkia speciosa subsp. immaculata
Robert F. Hoover
1946-1
San Luis Obispo
Comment
OBI12087
Clarkia speciosa subsp. immaculata
Robert F. Hoover
1966-1
San Luis Obispo
Comment
OBI12110
Clarkia unguiculata
Robert F. Hoover
1968-5-13
11085
Fresno
Tretten Cyn, N of summit on squaw Valley-Piedra rd
Comment
UC1392899
Clarkia unguiculata
R. F. Hoover
1969-6-3
11357
San Luis Obispo
Calf Canyon
Comment
OBI10772
Claytonia exigua subsp. exigua
Robert F. Hoover
1950-4-2
7779
San Luis Obispo
11 mi E of Creston on La Panza rd
Comment
OBI10798
Claytonia exigua subsp. exigua
Robert F. Hoover
1958-3-22
8431
San Luis Obispo
Summit of Temblor Range at Kern Co. line, Simmler-McKittrick rd
Comment
UC766156
Claytonia nevadensis
R. F. Hoover
1940-8-1
4482
Tuolumne
Emigrant Meadow
Comment
UC765766
Claytonia parviflora subsp. grandiflora
R. F. Hoover
1939-4-10
3991
Fresno
Watts Valley
Comment
CAS-BOT-BC439802
Claytonia perfoliata
Doris Hardman Hoover
1967-3-25
s.n.
San Diego
J.R. Hoover Ranch +-4 mi. s.e. of Fallbrook
91
Comment
UC767504
Clematis lasiantha
R. F. Hoover
1937-5-16
2157
Mariposa
2 mi. w. Coulterville
Comment
JEPS2930
Collinsia bartsiifolia var. davidsonii
R. F. Hoover
1938-5-16
3436
Mariposa
hill betw. Mariposa Creek and Humbug Creek
Comment
JEPS35088
Collinsia bartsiifolia var. davidsonii
R. F. Hoover
1947-4-26
7087
San Luis Obispo
n Pozo; Upper Toro Creek
Comment
UC762707
Collinsia heterophylla
R. F. Hoover
1946-4-27
6080
San Luis Obispo
See Canyon
Comment
UC765546
Collinsia heterophylla
R. F. Hoover
1939-4-10
3988
Fresno
Kings River Canyon above Piedra; Kings River Canyon
Comment
UC765648
Collinsia heterophylla
R. F. Hoover
1935-4-14
542
Stanislaus
Gobin Ranch about 13 mi e of Waterford; Gobin Ranch
Comment
UC765649
Collinsia heterophylla
R. F. Hoover
1938-4-27
3260
Santa Clara
4 mi s of San Jose
Comment
RSA101809
Collinsia heterophylla
Robert F. Hoover
1939-5-3
4073
Monterey
Jolon Grade just west of summit.
Comment
UC766262
Collinsia sparsiflora var. collina
R. F. Hoover
1938-4-3
3000
San Benito
Panoche Pass (W side)
Comment
UC766264
Collinsia sparsiflora var. collina
R. F. Hoover
1938-3-5
2817
Contra Costa
mouth of Kirker Creek Canyon
Comment
JEPS7292
Collinsia tinctoria
R. F. Hoover
1937-6-10
2433
Calaveras
grade from Milton to Salt Springs Valley Milton
Comment
UC963995
Collomia heterophylla
R. F. Hoover
1941-5-2
4978
Lake
between Seigler Springs and Lower Lake
Comment
UC963996
Collomia linearis
R. F. Hoover
1936-6-25
1410
Tuolumne
Eureka Valley
Comment
OBI8997
Conium maculatum
Robert F. Hoover
1947-4-25
7074
San Luis Obispo
Black Lake
Comment
OBI15295
Convolvulus simulans
Robert F. Hoover
1949-5-1
7645
San Luis Obispo
W side of Cottonwood Pass
Comment
UC763224
Convolvulus simulans
R. F. Hoover
1940-4-19
4357
Stanislaus
w Westly; Ingram Canyon
Comment
RSA212263
Convolvulus simulans
Robert F. Hoover
1949-5-29
7737
San Luis Obispo
Cottonwood Pass.
Comment
UC767641
Corallorhiza striata
R. F. Hoover
1937-6-23
2496
Tuolumne
ridge above Long Barn
Comment
RSA0006000
Cordylanthus hispidus
Robert F. Hoover
1937-7-14
2605
Merced
Volta
Comment
JEPS6816
Cordylanthus pilosus subsp. pilosus
R. F. Hoover
1938-9-5
3809
Lake
3 mi s of Kelseyville
Comment
UC762582
Cordylanthus pilosus subsp. pilosus
R. F. Hoover
1941-8-24
5570
Napa
east side Mt. St. Helena
Comment
JEPS6737
Cordylanthus pringlei
Robt. F. Hoover
1939-9-4
4212
Lake
six mi nw Middletown; Adams Springs grade
Comment
JEPS6817
Cordylanthus pringlei
R. F. Hoover
1938-9-23
3867
Lake
Butts Canyon
Comment
UC761848
Cordylanthus pringlei
R. F. Hoover
1938-9-3
3793
Napa
just s Lake Co. line (e side of Mt. St. Helena); Mt St. Helena
Comment
JEPS6635
Cordylanthus rigidus subsp. rigidus
Robert F. Hoover
1938-8-19
3787
Mariposa
Wawona
Comment
OBI9561
Cordylanthus rigidus subsp. rigidus
Robert F. Hoover
1946-8-18
6312
San Luis Obispo
La Panza district
Comment
RSA43202
Cordylanthus rigidus subsp. rigidus
Robert F. Hoover
1946-8-3
6253
San Luis Obispo
Upper Coon Creek, San Luis Range.
Comment
UC762575
Cordylanthus rigidus subsp. rigidus
R. F. Hoover
1938-9-10
3833
Stanislaus
Del Puerto Canyon
Comment
OBI9567
Cordylanthus rigidus subsp. rigidus
Robert F. Hoover
1964-8-14
9283
San Luis Obispo
Price Cyn. Same stand as 9173
Comment
OBI9571
Cordylanthus rigidus subsp. rigidus
Robert F. Hoover
1965-9-15
9555
San Luis Obispo
Summit on Pozo-Arroyo Grande rd
Comment
RSA43204
Cordylanthus rigidus subsp. rigidus
Robert F. Hoover
1946-8-25
6344
San Luis Obispo
Prince Canyon.
Comment
UC762577
Cordylanthus rigidus subsp. rigidus
R. F. Hoover
1938-9-10
3838
Santa Clara
summit Del Puerto Pass (Patterson-Mount Hamilton road)
Comment
UC761839
Cordylanthus tenuis subsp. brunneus
R. F. Hoover
1941-8-24
5571
Napa
e side Mt. St. Helena
Comment
OBI9577
Cordylanthus tenuis subsp. capillaris
Robert F. Hoover
1965-1
Sonoma
Comment
OBI9584
Cordylanthus tenuis subsp. tenuis
Robert F. Hoover
1967-9-5
10828
Placer
Carnelian Bay, Lake Tahoe
Comment
UC762584
Cordylanthus tenuis subsp. tenuis
R. F. Hoover
1936-7-3
1486
Tuolumne
Eagle Meadow
Comment
UC762590
Cordylanthus tenuis subsp. tenuis
R. F. Hoover
1938-8-19
3786
Mariposa
Wawona
Comment
CAS-BOT-BC287787
Coreopsis bigelovii
R. F. Hoover
1948-4-17
7467
San Luis Obispo
San Juan River S of Shandon
Comment
CAS-BOT-BC287790
Coreopsis bigelovii
R. F. Hoover
1967-4-20
10493
San Luis Obispo
4 miles E of Creston on La Panza Rd
Comment
JEPS22788
Coreopsis bigelovii
R. F. Hoover
1938-3-27
2943
Fresno
Alcalde Canyon
Comment
UC1315022
Coreopsis bigelovii
R. F. Hoover
1967-4-15
10459
Kern
Mt. Abel road Mt. Abel
Comment
UC1392889
Coreopsis californica var. californica
R. F. Hoover
1969-4-13
11225
San Bernardino
Comment
JEPS33594
Coreopsis calliopsidea
R. F. Hoover
1940-3-23
4269
Kings
above Avenal; Kettleman Hills
Comment
JEPS33603
Coreopsis calliopsidea
R. F. Hoover
1938-4-2
2983
Monterey
small ravine to n Lower Arroyo Seco canyon
Comment
JEPS33641
Coreopsis douglasii
R. F. Hoover
1938-4-2
2976
Monterey
Lower Paloma Creek Canyon
Comment
CAS-BOT-BC101428
Corethrogyne filaginifolia
R. F. Hoover
1967-9-15
10866
San Luis Obispo
Dunes south of Oso Flaco Lake
Comment
UC1285054
Corethrogyne filaginifolia
R. F. Hoover
1964-10-3
9320
San Luis Obispo
mouth Coon Creek
Comment
UC1357625
Corethrogyne filaginifolia
R. F. Hoover
1965-9-7
9523
San Luis Obispo
w Templeton; Santa Lucia Range, Santa Rita Creek
Comment
CAS-BOT-BC101437
Corethrogyne filaginifolia
R. F. Hoover
1965-10-6
9711
San Luis Obispo
Parkhill district (east of Santa Margarita)
Comment
OBI16652
Corethrogyne filaginifolia
Robert F. Hoover
1965-9-29
9676
San Luis Obispo
Santa Lucia Range. Tassajera Crk
Comment
CAS-BOT-BC209815
Cornus glabrata
R. F. Hoover
1964-7-9
9147
San Luis Obispo
5 mi. w. of Pozo (Salsipuedes Creek)
Comment
UC764891
Crassula aquatica
Robert F. Hoover
1936-4-28
990
Fresno
Pinedale
Comment
CAS-BOT-BC427787
Crassula connata
R. F. Hoover
1947-3-26
6740
San Luis Obispo
Just s. of Price Canyon
Comment
UC764606
Crassula connata var. subsimplex
Robert F. Hoover
1935-2-9
205
Madera
8 mi. w. Chowcilla
Comment
UC763219
Cressa truxillensis
Robert F. Hoover
1934-9-15
102
Stanislaus
Crow's Landing
Comment
UC1392948
Crocanthemum scoparium var. scoparium
Robert F. Hoover
1969-9-21
11600
San Luis Obispo
s end Morro Bay
Comment
UC762282
Crocanthemum suffrutescens
R. F. Hoover
1937-6-10
2415
Amador
Ione
Comment
SEINET3089906
Croton californicus
D. A. Hoover
1985-4-21
400
San Bernardino
Morongo Canyon, SE of Morongo Valley,along pipeline road on the Barn Loop trail across the gully from the barn
762
Comment
UC1392624
Croton californicus
R. F. Hoover
1969-5-9
11526
Monterey
Monterey Airport; s edge
Comment
UC765094
Croton californicus
R. F. Hoover
1937-5-14
2113
Contra Costa
Antioch sand-dunes
Comment
OBI14414
Croton californicus
Robert F. Hoover
1947-7-19
7319
San Luis Obispo
N edge of Santa Maria Valley on Nipomo-Guadalupe rd, at base of sandy cliffs
Comment
OBI14363
Croton setiger
Robert F. Hoover
1969-7-12
11440
San Luis Obispo
Salinas river at Paso Robles
Comment
RSA201676
Cryptantha barbigera
Robert F. Hoover
1949-5-1
7640
San Luis Obispo
Summit of Cottonwood Pass.
Comment
JEPS70804
Cryptantha cinerea var. abortiva
R. F. Hoover
1941-7-5
5448
Mono
below Fales Hot Springs; Hot Creek
Comment
CAS-BOT-BC189421
Cryptantha circumscissa
R. F. Hoover
1950-4-14
7824
San Luis Obispo
N end of Elkhorn Plain
Comment
OBI20720
Cryptantha clevelandii
Robert F. Hoover
1946-6-1
6102
San Luis Obispo
N end of Morro Bay
Comment
UC762705
Cryptantha clevelandii
R. F. Hoover
1946-4-27
6081
San Luis Obispo
See Canyon
Comment
JEPS67533
Cryptantha clevelandii
R. F. Hoover
1940-4-13
4337
Stanislaus
n of mouth of Del Puerto Canyon
Comment
UC596343
Cryptantha clevelandii
R. F. Hoover
1938-4-2
2985
Monterey
Lower Arroyo Seco Canyon, in small ravine to the n Lower Arroyo Seco Canyon
Comment
OBI20717
Cryptantha clevelandii var. clevelandii
Robert F. Hoover
1964-6-5
8918
San Luis Obispo
Santa Lucia Range. Ridge SE of Cuesta Pass
Comment
OBI3238
Cryptantha clevelandii var. florosa
R. L. Hoover
1968-4-11
14
San Luis Obispo
Marina Beach, n of parking lot
Comment
UCR29898
Cryptantha corollata
Robert F. Hoover
1967-4-15
10457
San Luis Obispo
Canyon just west of 'Cottonwood Canyon Bridge', lower Cuyama Valley.
572
Comment
UC767589
Cryptantha crymophila
R. F. Hoover
1936-7-29
1438
Tuolumne
near Bald Peak summit; Bald Peak
Comment
CAS-BOT-BC218808
Cryptantha excavata
R. F. Hoover
1968-5-27
11099
Colusa
Bear Creek canyon n. of Highway 20 (near Wilbur Springs), on barren crumbled shale
Comment
OBI20715
Cryptantha excavata
Robert F. Hoover
1968-5-27
11099
Colusa
Bear Creek cyn, N of Hwy 20 (near Wilbur Springs)
Comment
UC762465
Cryptantha flaccida
R. F. Hoover
1937-4-11
1826
Kern
Edison
Comment
UC762466
Cryptantha flaccida
R. F. Hoover
1937-5-16
2138
Stanislaus
about 13 mi e Waterford (Gobin Ranch)
Comment
UC762467
Cryptantha flaccida
R. F. Hoover
1935-5-28
595
Merced
Snelling
Comment
GH424862
Cryptantha glomeriflora
R. F. Hoover
1938-7-14
3639
Unknown
Eagle Meadow
Comment
JEPS26225
Cryptantha hooveri
R. F. Hoover
1937-5-16
2137
Stanislaus
ca. 13 mi. e. Waterford (Gobin Ranch); Gobin Ranch
Comment
GH96046
Cryptantha hooveri
R. F. Hoover
1935-5-7
558
Unknown
8 mi west of Chowchilla
Comment
UC763035
Cryptantha intermedia
R. F. Hoover
1938-5-29
3523
Madera
Coarsegold
Comment
UC763036
Cryptantha intermedia
R. F. Hoover
1937-5-18
2234
Butte
3 mi n Chico
Comment
UC763037
Cryptantha intermedia
R. F. Hoover
1939-5-2
4070
Tuolumne
3 mi s Chinese Camp
Comment
RSA128428
Cryptantha intermedia
Robert F. Hoover
1941-5-2
4981
Lake
Near crossing of North Fork Cache Creek on Williams-Clear Lake Highway.
Comment
UC596358
Cryptantha mariposae
R. F. Hoover
1938-5-9
3398
Mariposa
grade from Coulterville to Bagby
Comment
SEINET3084423
Cryptantha micrantha
D. Hoover
1986-4-6
753
San Bernardino
North end of the preserve, near the fence north of the Desert Wash Trail.
823
Comment
OBI20775
Cryptantha microstachys
Robert F. Hoover
1947-3-26
6757
San Luis Obispo
Oak Park district
Comment
OBI20776
Cryptantha microstachys
Robert F. Hoover
1947-3-26
6746
San Luis Obispo
Price Cyn (just S of)
Comment
UC1285276
Cryptantha microstachys
R. F. Hoover
1947-3-26
6757
San Luis Obispo
Oak Park District
Comment
OBI20777
Cryptantha microstachys
Robert F. Hoover
1947-4-12
6896
San Luis Obispo
Upper Navajo Crk, La Panza Range
Comment
OBI20782
Cryptantha muricata
Robert F. Hoover
1947-4-20
6971
San Luis Obispo
Pilitas Crk district
Comment
UC596213
Cryptantha nevadensis var. rigida
R. F. Hoover
1935-4-21
547
Alameda
Corral Hollow (upper end)
Comment
UC763165
Cryptantha nevadensis var. rigida
R. F. Hoover
1935-4-21
547
Alameda
Corral Hollow (upper end)
Comment
OBI20716
Cryptantha oxygona
Robert F. Hoover
1968-4-17
11049
San Luis Obispo
Elkhorn Hills
Comment
UC764823
Cryptantha oxygona
R. F. Hoover
1946-3-30
6053
Fresno
Alcalde Canyon
Comment
UC763254
Cryptantha rostellata
R. F. Hoover
1938-5-16
3422
Mariposa
3 mi ne Coulterville
Comment
UC1392977
Cryptantha utahensis
R. F. Hoover
1968-3-24
10927
San Bernardino
s side Pickhandle Pass
Comment
UC1392991
Cryptantha utahensis
R. F. Hoover
1968-3-24
10927
San Bernardino
s side Pickhandle Pass
Comment
UC763148
Cryptantha watsonii
Robert F. Hoover
1941-7-5
5431
Mono
n side Conway Grade (Mono Lake-Bridgeport road)
Comment
JEPS35271
Cucurbita foetidissima
R. F. Hoover
1947-7-19
7321
San Luis Obispo
n. edge Santa Maria Valley (near Nipomo-Guadalupe rd.)
Comment
OBI14833
Cucurbita foetidissima
Robert F. Hoover
1947-7-19
7321
San Luis Obispo
N edge of Santa Maria Valley on Nipomo-Guadalupe rd, at base of sandy cliffs
Comment
OBI14831
Cucurbita palmata
Robert F. Hoover
1966-10-8
10151
San Luis Obispo
Carrizo Plain near Calif valley, by roadside
Comment
CAS-BOT-BC80882
Cupressus sargentii
R. F. Hoover
1946-12-8
6570
San Luis Obispo
Upper Chorro Creek
Comment
UC766773
Cupressus sargentii
R. F. Hoover
1941-4-26
4930
Napa
a short distance below Lake County line; Butts Canyon
Comment
NY16808
Cupressus sargentii
R. F. Hoover
1941-4-26
4930
Napa
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
UC763222
Cuscuta californica
Robert F. Hoover
1934-10-20
101
Stanislaus
5 mi s Modesto
Comment
OBI14812
Cuscuta californica
Robert F. Hoover
1966-7-13
9894
San Luis Obispo
5.5 mi SE of Santa Margarita; W of Salinas River opp Pilitas crk
Comment
OBI14814
Cuscuta californica
Robert F. Hoover
1946-9-22
6439
San Luis Obispo
W of Paso Robles on rd to Adelaida
Comment
CAS-BOT-BC287322
Cynara cardunculus
R. F. Hoover
1964-6-9
9005
San Luis Obispo
On and near Fredericks Street
Comment
CAS-BOT-BC287323
Cynara cardunculus
R. F. Hoover
1964-6-14
9109
San Luis Obispo
San Luis Obispo. In vacant lots on Grand Ave near Highway 101 overpass
Comment
OBI16618
Cynara cardunculus subsp. cardunculus
Robert F. Hoover
1964-6-14
9109
San Luis Obispo
In vacant lots on Grand ave near hwy 101 overpass
Comment
UC768778
Cynodon dactylon
R. F. Hoover
Oct., 1934
66
Stanislaus
Modesto
Comment
CAS-BOT-BC114354
Cyperus erythrorhizos
R. F. Hoover
1966-10-1
10096
San Luis Obispo
Upper Arroyo Grande at confluence of Phoenix Creek.
Comment
UC766110
Cyperus niger
R. F. Hoover
1936-7-31
1585
Sacramento
Fair Oaks
Comment
CAS-BOT-BC113886
Cyperus niger var. capitatus
R. F. Hoover
1946-8-26
6359
San Luis Obispo
Baywood Park, in brackish marsh on shore of Morro Bay.
Comment
UC1296378
Cystopteris fragilis
R. F. Hoover
1950-6-2
7968
San Luis Obispo
trail from Stoney Creek to Colwell Mesa
Comment
CAS-BOT-BC186644
Danthonia californica
R. F. Hoover
1965-5-22
9396
San Luis Obispo
Cambria
Comment
UC766814
Danthonia californica var. americana
R. F. Hoover
1941-5-8
4992
Marin
Tiburon
Comment
UC766843
Danthonia unispicata
R. F. Hoover
1936-7-1
1456
Tuolumne
Kennedy Lake
Comment
UC767073
Danthonia unispicata
R. F. Hoover
1940-8-2
4493
Tuolumne
Emigrant Lake; n side
Comment
OBI77238
Daucus pusillus
Robert F. Hoover
1965-6-14
9427
San Luis Obispo
Near Arroyo del Oso, S of Arroyo de la Cruz
Comment
OBI16275
Deinandra corymbosa
Robert F. Hoover
1965-10-1
9707
San Luis Obispo
Los Osos Valley
Comment
OBI16276
Deinandra corymbosa
Robert F. Hoover
1947-8-10
7367
San Luis Obispo
Osos Valley
Comment
OBI16277
Deinandra corymbosa
Robert F. Hoover
1947-8-10
7367
San Luis Obispo
Osos Valley
Comment
OBI16282
Deinandra corymbosa
Robert F. Hoover
1946-7-21
6236
San Luis Obispo
Coast W of Cambria
Comment
UC771647
Deinandra corymbosa
R. F. Hoover
1946-7-21
6236
San Luis Obispo
coast w of Cambria
Comment
CAS-BOT-BC299186
Deinandra corymbosa subsp. corymbosa
R. F. Hoover
1947-5-25
7225
San Luis Obispo
Coast directly west of Cambria
Comment
CAS-BOT-BC299161
Deinandra corymbosa subsp. corymbosa
R. F. Hoover
1966-9-13
10010
San Luis Obispo
Point Seirra Nevada
Comment
CAS-BOT-BC293917
Deinandra fasciculata
R. F. Hoover
1947-5-27
7226
San Luis Obispo
Between San Luis Mt. and Mt. Bishop near San Luis Obispo
Comment
CAS-BOT-BC293946
Deinandra fasciculata
R. F. Hoover
1965-8-3
9502
Santa Barbara
U.C.S.B. campus
Comment
CAS-BOT-BC299374
Deinandra increscens subsp. increscens
R. F. Hoover
1965-10-1
9690
San Luis Obispo
Coast road just south of Hazard Canyon
Comment
OBI16146
Deinandra increscens subsp. increscens
Robert F. Hoover
1965-8-1
9497
San Luis Obispo
Valley W of Mt. Bishop
Comment
UC1392916
Deinandra increscens subsp. increscens
R. F. Hoover
1969-9-15
11591
San Luis Obispo
at mouth of chorro Creek, Morro Bay Morro Bay, Mouth of Chorro Creek
Comment
CAS-BOT-BC299380
Deinandra increscens subsp. increscens
R. F. Hoover
1964-8-13
9208
San Luis Obispo
San Bernardo Creek
Comment
OBI16147
Deinandra increscens subsp. increscens
Robert F. Hoover
1964-8-13
9208
San Luis Obispo
San Bernardo Crk
Comment
UC1392850
Deinandra lobbii
R. F. Hoover
1969-8-12
11540
San Luis Obispo
12 mi nw Paso Robles (on road to Nacimento Dam)
Comment
CAS-BOT-BC291947
Deinandra pallida
R. F. Hoover
1937-4-11
1856
Kern
Carneras [Carneros] Station, South of Lost Hills
Comment
SFV4354
Deinandra paniculata
D. H. Hoover
1967-8-5
s. n.
San Diego
About 4 miles southeast of Fallbrook, near J. R. Hoover Ranch.
61
Comment
SBBG40544
Deinandra paniculata
R. F. Hoover
1969-10-5
11631
San Luis Obispo
N side of Twitchell Reservoir
Comment
CAS-BOT-BC292069
Deinandra pentactis
R. F. Hoover
1946-9-14
6374
San Luis Obispo
Santa Margarita
Comment
CAS-BOT-BC292043
Deinandra pentactis
R. F. Hoover
1949-5-22
7724
San Luis Obispo
14 miles E. of Creston on La Panza road
Comment
CAS-BOT-BC292044
Deinandra pentactis
R. F. Hoover
1969-6-3
11365
San Luis Obispo
Windmill Creek, La Panza district
Comment
CAS-BOT-BC292066
Deinandra pentactis
R. F. Hoover
1946-9-15
6399
San Luis Obispo
Rinconada Mine, betw. Santa Margarita and Pozo
Comment
CAS-BOT-BC11073
Delphinium californicum
Robert Francis Hoover
1964-5-14
8859
San Luis Obispo
See Canyon
Comment
UC1392897
Delphinium californicum
R. F. Hoover
1969-5-22
11328
San Benito
Rocks Road near San Juan Bautista
Comment
OBI10658
Delphinium californicum
Robert F. Hoover
1965-5-19
9370
San Luis Obispo
Lower San Simeon Crk
Comment
OBI10659
Delphinium californicum
Robert F. Hoover
1967-6-5
10621
San Luis Obispo
Arroyo Grande just below confluence of Lopez Cyn (dam site)
Comment
CAS-BOT-BC9187
Delphinium cardinale
R. F. Hoover
1969-7-12
11451
San Luis Obispo
2 mi. w of Paso Robles on Peachy Canyon road
Comment
UC596470
Delphinium nudicaule
R. F. Hoover
1938-5-4
3340
Contra Costa
Marsh Creek canyon
Comment
UC765793
Delphinium nudicaule
R. F. Hoover
1938-5-4
3340
Contra Costa
Marsh Creek Canyon
Comment
JEPS60618
Delphinium parishii
R. F. Hoover
1935-3-29
420
Fresno
Little Panoche wash
Comment
OBI10628
Delphinium parishii subsp. parishii
Robert F. Hoover
1958-4-19
8457
Kern
S of Jawbone Cyn, W edge of Mojave Desert
Comment
CAS-BOT-BC7992
Delphinium parishii subsp. parishii
R. F. Hoover
1968-4-17
11064
San Luis Obispo
North Side of Soda Lake, Carrizo Plain.
Comment
OBI10612
Delphinium patens subsp. montanum
Robert F. Hoover
1952-5-24
8217
San Luis Obispo
Caliente Mt, near highest peak
Comment
CAS-BOT-BC17041
Delphinium recurvatum
R. F. Hoover
1967-4-28
10511
Contra Costa
Byron Hot Springs.
Comment
UC766086
Delphinium recurvatum
R. F. Hoover
1938-4-14
3086
Tulare
near Earlimart; Deer Creek Bridge
Comment
OBI10629
Delphinium recurvatum
Robert F. Hoover
1967-3-22
10253
San Luis Obispo
Carrizo Plain, N side of Soda Lake
Comment
OBI10633
Delphinium recurvatum
Robert F. Hoover
1968-4-17
11064
San Luis Obispo
N side of Soda Lake, Carrizo Plain
Comment
UC1392953
Delphinium recurvatum
R. F. Hoover
1968-4-17
11064
San Luis Obispo
n side Soda Lake; Carrizo Plain
Comment
UC765791
Delphinium uliginosum
R. F. Hoover
1942-6-29
5907
Lake
n side Mt. St. Helena
Comment
UC765749
Delphinium variegatum
R. F. Hoover
1937-5-4
2051
Stanislaus
on road to Snelling near La Grange
Comment
CAS-BOT-BC121995
Delphinium variegatum
R. F. Hoover
1967-6-17
10643
Nevada
2 miles N of Chicago Park
Comment
UC766099
Delphinium variegatum
R. F. Hoover
1937-4-23
1944
Stanislaus
between Eugene and Knights Ferry
Comment
UC765751
Delphinium variegatum subsp. variegatum
Robert F. Hoover
1936-3-18
801
Stanislaus
Knight's Ferry
Comment
OBI22305
Deschampsia danthonioides
Robert F. Hoover
1947-3-29
6789
San Luis Obispo
Creston (1 mi from, on Shandon Rd)
Comment
SEINET3927626
Deschampsia danthonioides
R. F. Hoover
1937-4-10
1786
Fresno
Three miles south of Helm.; 0
Comment
CAS-BOT-BC201629
Deschampsia danthonioides
R. F. Hoover
1968-4-16
11061
San Luis Obispo
North side of Soda Lake, Carrizo Plain
Comment
OBI23316
Descurainia
Robert F. Hoover
1969-4-14
11241
Riverside
Palm Springs, just S of South city limit
Comment
UC1296294
Descurainia pinnata
R. F. Hoover
1950-4-2
7788
San Luis Obispo
just above La Panza-Creston road (West Branch of Fernandez Creek); West Branch of Fernandez Creek
Comment
OBI15103
Descurainia sophia
Robert F. Hoover
1967-4-9
10388
San Luis Obispo
Carrizo plain S of Soda lake
Comment
UC618200
Dichelostemma capitatum
R. F. Hoover
1938-2-21
2756
Contra Costa
Point Richmond
Comment
UC765918
Dichelostemma volubile
R. F. Hoover
1936-5-21
1171
Butte
Cana
Comment
UC765919
Dichelostemma volubile
R. F. Hoover
1938-4-23
3184
Solano
Mix (Weldon) Canyon
Comment
UC765922
Dichelostemma volubile
R. F. Hoover
1939-4-10
3987
Fresno
above Piedra (n side of Kings River); Kings River
Comment
CAS-BOT-BC153161
Diplacus fremontii
R. F. Hoover
1947-4-26
7093
San Luis Obispo
Just above Wells Corner, on Middle Branch of Huerhuero Creek
Comment
CAS-BOT-BC150562
Diplacus linearis
R. F. Hoover
1964-6-12
9066
San Luis Obispo
Near Rocky Butte Fire Lookout
Comment
CAS-BOT-BC150563
Diplacus linearis
R. F. Hoover
1969-5-20
11313
San Luis Obispo
5 mi. w. of Paso Robles on Adelaida road
Comment
CAS-BOT-BC150564
Diplacus linearis
R. F. Hoover
1948-5-22
7538
San Luis Obispo
Summit on road from Paso Robles to Adelaida
Comment
CAS-BOT-BC150902
Diplacus puniceus
Doris Hardman Hoover
1966-3-5
s.n.
San Diego
J.R. Hoover Ranch +-4 mi. s.e. of Fallbrook
182
Comment
CAS-BOT-BC150903
Diplacus puniceus
Doris Hardman Hoover
1966-5-14
s.n.
San Diego
J.R. Hoover Ranch +-4 mi. s.e. of Fallbrook
182
Comment
OBI22319
Distichlis spicata
Robert F. Hoover
1965-9-19
9627
San Luis Obispo
Carrizo Plain, on W side of Soda Lake
Comment
UC767473
Distichlis spicata
R. F. Hoover
1934-10-20
73
Stanislaus
10 mi S of Modesto
Comment
SEINET3928484
Distichlis spicata var. nana
R. F. Hoover
1965-9-19
9627
San Luis Obispo
Carrizo Plain, on west side of Soda Lake.; 0
Comment
CAS-BOT-BC41911
Dithyrea maritima
R. F. Hoover
1947-7-11
7300
San Luis Obispo
South end of Morro Bay, at edge of sandy beach.
Comment
OBI10741
Dodecatheon clevelandii
Robert F. Hoover
1948-4-16
7452
San Luis Obispo
Eagle Ranch, S of Atascadero
Comment
JEPS9491
Dodecatheon clevelandii subsp. patulum
R. F. Hoover
1937-3-25
1664
Merced
e base Pacheco Pass
Comment
UC596061
Dodecatheon clevelandii subsp. patulum
R. F. Hoover
1938-2-26
2779
Santa Clara
Pacheco Pass road w summit; Pacheco Pass road w of summit
Comment
UC596063
Dodecatheon clevelandii subsp. patulum
R. F. Hoover
1937-3-26
1702
Stanislaus
4 mi s Oakdale; s of Oakdale
Comment
UC764493
Dodecatheon clevelandii subsp. patulum
Robert F. Hoover
1935-3-4
268
Merced
seven mi n Merced; n of Merced
Comment
JEPS9493
Dodecatheon clevelandii subsp. patulum
R. F. Hoover
1936-2-29
743
Kern
low foothills e Delano; low foothills e <of> Delano
Comment
UC764491
Dodecatheon hendersonii
R. F. Hoover
1935-3-15
340
Stanislaus
4 mi s Oakdale; s of Oakdale
Comment
JEPS5056
Downingia bella
R. F. Hoover
1936-4-28
1015
Tulare
5 mi e Traver
Comment
UC764509
Downingia bicornuta var. picta
R. F. Hoover
1936-4-30
1068
Sacramento
5 mi nw Thornton
Comment
SEINET12283537
Downingia bicornuta var. picta
R. F. Hoover
1937-1
2200
Sacramento
Rio Linda
Comment
CAS-BOT-BC33316
Downingia cuspidata
Robert Francis Hoover
1936-4-29
1042
Stanislaus
Warnerville
Comment
UC596027
Downingia cuspidata
R. F. Hoover
1937-4-24
1977
Tuolumne
1 mi w Chinese Camp
Comment
UC766361
Downingia cuspidata
R. F. Hoover
1936-4-29
1042
Stanislaus
Warnerville
Comment
SEINET12283524
Downingia ornatissima
R. F. Hoover
1937-1
2206
Sacramento
Rio Linda
Comment
UC596026
Downingia ornatissima var. eximia
R. F. Hoover
1937-4-24
1999
Stanislaus
Warnerville
Comment
UC765581
Downingia ornatissima var. eximia
R. F. Hoover
1936-5-2
1101
Stanislaus
about 13 mi e Waterford (Gobin Ranch)
Comment
UC766370
Downingia ornatissima var. eximia
R. F. Hoover
1937-5-6
2091
Merced
Ryer
Comment
JEPS14414
Downingia ornatissima var. ornatissima
R. F. Hoover
1936-4-13
961
Merced
3 mi n Snelling
Comment
UC596495
Downingia ornatissima var. ornatissima
R. F. Hoover
1937-5-18
2206
Sacramento
Rio Linda
Comment
UC765583
Downingia ornatissima var. ornatissima
R. F. Hoover
1936-5-1
1084
Merced
7 mi se Le Grand
Comment
JEPS14400
Downingia pusilla
Robert Francis Hoover
1936-4-13
970
Stanislaus
near La Grange (on Snelling road)
Comment
RSA43011
Drymocallis glandulosa
Robert F. Hoover
1947-5-9
7129
San Luis Obispo
Middle Branch of Huerhuero Creek, N of Wells Corner along stream bed.
Comment
UC1296137
Dudleya abramsii subsp. bettinae
R. F. Hoover
1964-6-13
9101
San Luis Obispo
e Morro Bay (San Bernardo Creek)
Comment
RSA201553
Dudleya abramsii subsp. murina
Robert F. Hoover
1947-6-26
7275
San Luis Obispo
Poly Canyon (Brizziolari Creek Canyon of USGS map)
Comment
UC1392870
Dudleya abramsii subsp. murina
R. F. Hoover
1969-6-24
11396
San Luis Obispo
adjacent Cuesta Park; San Louis Obispo
Comment
OBI15263
Dudleya bettinae
Robert F. Hoover
1947-6-27
7278
San Luis Obispo
First ridge W of Cerro Romauldo
Comment
OBI15261
Dudleya caespitosa
Robert F. Hoover
1969-3-25
11189
San Luis Obispo
S side of Morro Rock
Comment
UC1392798
Dudleya lanceolata
R. F. Hoover
1969-7-17
11473
San Luis Obispo
just w Cuesta Pass summit
Comment
UCR39227
Dudleya saxosa
D. A. Hoover
1985-4-21
368
San Bernardino
Little San Bernardino Mtns/Southern Mojave Desert, Morongo Canyon, Southeast of Morongo Valley. small canyon east of the pipeline road and the upper Desert Wash Trail
793
Comment
SFV11590
Dysphania ambrosioides
D. H. Hoover
1967-8-18
s. n.
Stanislaus
Sierra Nevada La Grange. East end of Main Street, a few hundred feet from Tuolumne River. Next to old building.
76
Comment
JEPS4064
Eastwoodia elegans
R. F. Hoover
1936-4-2
847
Stanislaus
mouth of Del Puerto Canyon
Comment
OBI16606
Eastwoodia elegans
Robert F. Hoover
1967-3-28
10316
San Luis Obispo
Cyn in Temblor range near N end of Elkhorn Plain
Comment
OBI16607
Eastwoodia elegans
Robert F. Hoover
1946-6-2
6134
San Luis Obispo
Between San Juan River and Carrizo Plain
Comment
UC768780
Echinochloa crus-galli
R. F. Hoover
1936-6-4
1268
Fresno
5 mi w Orange Cove; w of Orange Cove
Comment
UC768792
Echinodorus berteroi
R. F. Hoover
1937-8-10
2656
Fresno
Tranquillity
Comment
CAS-BOT-BC112939
Eleocharis macrostachya
R. F. Hoover
1947-5-10
7138
San Luis Obispo
Alamo Creek near Cuyama River, in wet soil.
Comment
CAS-BOT-BC112678
Eleocharis parishii
R. F. Hoover
1946-9-14
6381
San Luis Obispo
Trout Creek near Santa Margarita
Comment
UC1153398
Elymus X hansenii
R. F. Hoover
1964-6-5
8936
San Luis Obispo
near summit of ridge just w upper Lopez Canyon
Comment
UC767674
Elymus X saxicola
R. F. Hoover
1941-7-25
5535
Tuolumne
ridge w Upper Relief Valley
Comment
CAS-BOT-BC227146
Elymus elymoides
R. F. Hoover
1964-7-9
9134
San Luis Obispo
Near Rinconada Mine west of Pozo
Comment
SD132477
Elymus elymoides var. brevifolius
D. A. Hoover
1985-4-21
379
San Bernardino
Morongo Canyon, Southeast of Morongo Valley, in disturbed soil between the Desert Wash Trail and the pipeline road.
776
Comment
OBI21768
Elymus farctus
Robert F. Hoover
1947-7-18
7309
San Luis Obispo
Oceano Beach
Comment
OBI21781
Elymus glaucus
Robert F. Hoover
1947-7-8
7286
San Luis Obispo
Steiner Crk ("Serrano Cyn")
Comment
OBI21783
Elymus glaucus
Robert F. Hoover
1964-8-13
9213
San Luis Obispo
Santa Lucia Range. San Bernardo Crk, N slope
Comment
RSA2014636
Elymus glaucus
Robert F. Hoover
1964-6-5
8934
San Luis Obispo
Near summit ridge west of upper Lopez Canyon
Comment
UC1153388
Elymus glaucus
R. F. Hoover
1964-6-5
8934
San Luis Obispo
near summit of ridge w upper Lopez Canyon (w- and s-facing slopes)
Comment
CAS-BOT-BC203658
Elymus glaucus subsp. glaucus
R. F. Hoover
1964-6-12
9077
San Luis Obispo
Near Rocky Butte Fire Lookout
Comment
UC1146327
Elymus multisetus
R. F. Hoover
1965-6-18
9444
San Luis Obispo
Steiner Creek (Serrano Canyon) near San Luis Obispo; Santa Lucia Range
Comment
UC700881
Elymus saundersii var. californicus
Robert F. Hoover
1941-7-29
5568
Mono
near head Cottonwood Creek; Sweetwater Mountains; near head of Cottonwood Creek, Sweetwater Mts., Mono Co.
Comment
OBI37313
Emmenanthe penduliflora
D. A. Hoover
1985-4-11
295
San Bernardino
Morongo Cyn, SE of Morongo Valley. E of the pipelne rd and the upper Desert Wash trl
777
Comment
UC1285237
Encelia actoni
R. F. Hoover
1950-5-28
7931
San Luis Obispo
highway 399, s of junction with highway 166; Cuyama Valley, highway 399
Comment
CAS-BOT-BC131190
Encelia californica
R. F. Hoover
1947-7-19
7320
San Luis Obispo
North edge of Santa Maria Valley near Nipomo - Guadalupe road
Comment
CAS-BOT-BC81667
Ephedra californica
R. F. Hoover
1951-4-20
8052
San Luis Obispo
E. side of Carrizo Plain E. of Soda Lake
Comment
GH356521
Ephedra californica
R. F. Hoover
1940-5-4
4371
Unknown
Piedra Azul Canyon
Comment
NY70121
Ephedra californica
R. F. Hoover
1940-5-4
4371
Merced
Piedra Azul Canyon
Comment Read comments Jan 31 2021
OBI7493
Ephedra californica
Robert F. Hoover
1968-4-17
11056
San Luis Obispo
Foothills of Temblor Range near N end of Elkhorn Plain
Comment
OBI7494
Ephedra californica
Robert F. Hoover
1967-3-28
10321
San Luis Obispo
Temblor Range ner N end of Elkhorn Plain
Comment
UC1296215
Ephedra viridis
R. F. Hoover
1952-5-24
8208
San Luis Obispo
Caliente Mt. Caliente Mt. (along ridge)
Comment
OBI12058
Epilobium brachycarpum
Robert F. Hoover
1965-9-29
9663
San Luis Obispo
Santa Lucia Range. Tassajera crk
Comment
UC596386
Epilobium campestre
R. F. Hoover
1936-6-11
1301
San Joaquin
Farmington
Comment
UC762967
Epilobium campestre
Robert F. Hoover
1935-5-28
583
Stanislaus
Montpelier San Joaquin Valley
Comment
OBI11874
Epilobium canum
R. L. Hoover
1968-7-12
86
Santa Barbara
Road-bank on Ridge Rd SW of Central Valley, Santa Cruz Island
Comment
RSA41160
Epilobium canum subsp. latifolium
Robert F. Hoover
1939-7-22
4149
Alpine
North side of Pigeon Flat.
Comment
OBI12043
Epilobium ciliatum
Robert F. Hoover
1966-9-16
10026
San Luis Obispo
Santa Margarita Crk 2 mi N of Santa Margarita
Comment
OBI12041
Epilobium ciliatum subsp. watsonii
Robert F. Hoover
1947-7-27
7335
San Luis Obispo
Black lake cyn, S of Arroyo Grande
Comment
RSA43101
Epilobium ciliatum subsp. watsonii
Robert F. Hoover
1947-4-18
6963
San Luis Obispo
Near Piedras Blancas Point.
Comment
UC762780
Epilobium ciliatum subsp. watsonii
R. F. Hoover
1941-6-19
5376
Marin
n Abbotts Lagoon
Comment
RSA41113
Epilobium ciliatum subsp. watsonii
Robert F. Hoover
1941-5-12
5054
Marin
West of Inverness Ridge on Point Reyes road
Comment Read comments Aug 8 2010
RSA43073
Epilobium ciliatum subsp. watsonii
Robert F. Hoover
1947-7-26
7333
San Luis Obispo
Just north of Piedras Blancas Point, at head of small ravine about 1/2 mile from ocean
Comment
UC764923
Epilobium cleistogamum
R. F. Hoover
1935-12-29
728
Stanislaus
Waterford
Comment
UC764948
Epilobium cleistogamum
R. F. Hoover
1938-5-28
3506
Merced
9 mi w Los Banos
Comment
UC765018
Epilobium cleistogamum
R. F. Hoover
1935-12-23
726
Stanislaus
near Orestimba Creek (about 4 mi w of Newman)
Comment
UC765022
Epilobium cleistogamum
Robert F. Hoover
1935-6-12
644
San Joaquin
Farmington San Joaquin Valley (beds of vernal pools)
Comment
OBI12155
Epilobium densiflorum
Robert F. Hoover
1969-8-25
11556
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI12156
Epilobium densiflorum
Robert F. Hoover
1966-9-16
10039
San Luis Obispo
3 mi N of Santa Margarita
Comment
RSA41111
Epilobium hornemannii subsp. hornemannii
Robert F. Hoover
1940-7-24
4457
Alpine
Between Sonora Pass and Sonora Peak
Comment
UC762779
Epilobium minutum
R. F. Hoover
1941-4-19
4873
Stanislaus
middle portion Del Puerto Canyon
Comment
UC765019
Epilobium pallidum
R. F. Hoover
1938-6-10
3588
Tehama
s Red Bluff; Coyote Creek bridge
Comment
UC762965
Epilobium torreyi
R. F. Hoover
1935-5-28
574
Stanislaus
Montpellier
Comment
OBI1011
Equisetum hyemale
R. F. Hoover
1947-4-27
7110
San Luis Obispo
Morro Creek, above base of grade on highway to Atascadero
Comment
CAS-BOT-BC57449
Equisetum laevigatum
R. F. Hoover
1947-4-27
7111
San Luis Obispo
Morro Creek, above base of grade on highway to Atascadero
Comment
OBI1017
Equisetum laevigatum
R. F. Hoover
1947-4-27
7111
San Luis Obispo
Morro Creek, above base of grade on highway to Atascadero
Comment
UC1296385
Equisetum laevigatum
R. F. Hoover
1948-4-14
7440
San Luis Obispo
mouth of Old Creek near Cayucos
Comment
OBI21809
Eragrostis mexicana
Robert F. Hoover
1966-9-16
10063
San Luis Obispo
2 mi S of Creston
Comment
OBI12388
Eremalche parryi subsp. kernensis
Robert F. Hoover
1947-3-30
6827
San Luis Obispo
10 mi E of Creston on La Panza rd
Comment
OBI12400
Eremalche parryi subsp. kernensis
Robert F. Hoover
1965-4-24
9349
San Luis Obispo
Hill just E of San Juan river, la Panza district
Comment
OBI12395
Eremalche parryi subsp. parryi
Robert F. Hoover
1952-4-8
8083
San Luis Obispo
La Panza district
Comment
OBI11998
Eremothera boothii subsp. decorticans
Robert F. Hoover
1967-3-27
10286
San Luis Obispo
Chalk Mtn, Cuyama Valley
Comment
OBI11999
Eremothera boothii subsp. decorticans
Robert F. Hoover
1968-4-16
11033
San Luis Obispo
Chalk Mt, N side of Cuyama Valley
Comment
OBI12000
Eremothera boothii subsp. decorticans
Robert F. Hoover
1950-4-14
7816
San Luis Obispo
Base of Crocker Grade, Temblor Range
Comment
JEPS68995
Eriastrum abramsii
R. F. Hoover
1938-6-9
3554
Lake
between Burns Valley and Borax Lake
Comment
OBI11540
Eriastrum calocyanum
R. F. Hoover
1946-6-2
6126
San Luis Obispo
La Panza district
Comment
UC1315057
Eriastrum densifolium subsp. elongatum
R. F. Hoover
1967-6-4
10592
San Luis Obispo
canyon near north end Elkhorn Plain; Temblor Range
Comment
UC771768
Eriastrum densifolium subsp. elongatum
R. F. Hoover
1946-6-29
6207
San Luis Obispo
Atascadero
Comment
OBI042652
Eriastrum eremicum subsp. eremicum
D. Hoover
1986-4-7
774
Riverside
Dry wash of the main canyon just below the BLM gate
1800
Comment
UC1023828
Eriastrum luteum
R. F. Hoover
1947-5-24
7201
San Luis Obispo
near Eldorado School
Comment
UC595982
Eriastrum pluriflorum
R. F. Hoover
1938-6-6
3535
Stanislaus
Del Puerto Canyon (upper) Mount Hamilton Range
Comment
UC596187
Eriastrum pluriflorum
R. F. Hoover
1937-5-27
2326
Fresno
9 mi s Kerman
Comment
SEINET8729311
Eriastrum pluriflorum
Robert F. Hoover
1937-1
2326
Fresno
9 miles south of Kerman.
Comment
UC908543
Eriastrum signatum
R. F. Hoover
1940-10-1
4648
Lassen
Johnstonville
Comment
SEINET3816022
Eriastrum virgatum
Robert F. Hoover
1939-6-4
4123
Monterey
Lower Paloma Creek
Comment
JEPS31334
Ericameria bloomeri
R. F. Hoover
1940-9-22
4627
Plumas
Chester
Comment
OBI16575
Ericameria ericoides
Robert F. Hoover
1964-9-11
9304
Monterey
Marina Beach, on dunes
Comment
UC1285351
Ericameria ericoides
R. F. Hoover
1946-10-18
6500
San Luis Obispo
Upper Arroyo Grande Upper Arroyo Grande (on sandy foodbed)
Comment
CAS-BOT-BC299079
Ericameria nauseosa var. hololeuca
R. F. Hoover
1946-11-17
6560
San Luis Obispo
Cuyama River, at highway bridge just below Gypsum Canyon
Comment
JEPS21518
Ericameria nauseosa var. speciosa
R. F. Hoover
1940-9-29
4646
Lassen
pass between Shaffer Mt. and Warren Peak
Comment
CAS-BOT-BC293636
Erigeron blochmaniae
R. F. Hoover
1946-7-24
6245
San Luis Obispo
South end of Morro Bay
Comment
OBI16517
Erigeron blochmaniae
Robert F. Hoover
1964-8-14
9255
San Luis Obispo
Jack Lake
Comment
OBI16516
Erigeron blochmaniae
Robert F. Hoover
1947-7-10
7296
San Luis Obispo
Short distnace north of norh edge of Santa Maria Valley on Guadalupe Arroyo Grande rd.
Comment
OBI16515
Erigeron breweri
Robert F. Hoover
1967-9-6
10849
Placer
Kings Beach, Lake Tahoe
Comment
CAS-BOT-BC294523
Erigeron breweri var. breweri
R. F. Hoover
1967-9-6
10849
Placer
Kings Beach, Lake Tahoe
Comment
OBI16705
Erigeron canadensis
Robert F. Hoover
1965-10-6
9710
San Luis Obispo
Parkhill district
Comment
JEPS41532
Erigeron compositus
R. F. Hoover
1936-6-29
1439
Alpine
Bald Peak Bald Peak (near summit)
Comment
JEPS41130
Erigeron divergens
R. F. Hoover
1936-7-15
1575 a
Tuolumne
Brightmans Flat; Brightmans Fla
Comment
CAS-BOT-BC308745
Erigeron foliosus var. foliosus
R. F. Hoover
1946-6-30
6215
San Luis Obispo
Mariana Creek east side of La Panza Range
Comment
JEPS41512
Erigeron foliosus var. foliosus
R. F. Hoover
1935-5-30
603
Madera
8 mi w Chowchilla
Comment
JEPS41382
Erigeron glacialis var. glacialis
R. F. Hoover
1938-8-16
3755
Mariposa
Peregoy Meadow
Comment Read comments Oct 3 2012
OBI3249
Erigeron glaucus
R. L. Hoover
1968-4-11
6
Monterey
Marina Beach, due N of parkign lot
Comment
UC1285046
Erigeron glaucus
R. F. Hoover
1946-7-21
6232
San Luis Obispo
San Simeon Creek Beach San Simeon Creek Beach (on cliffs)
Comment
UC762719
Erigeron inornatus var. inornatus
R. F. Hoover
1938-7-13
3632
Tuolumne
Confidence
Comment
OBI13957
Eriodictyon tomentosum
Robert F. Hoover
1969-6-26
11400
San Benito
First summit on Hernandez road after leaving King City-pinnacles road
Comment
UC1392973
Eriodictyon tomentosum
R. F. Hoover
1969-6-26
11400
San Benito
first summit on Hernandez Road after leaving King City-Pinnalces Road
Comment
OBI13955
Eriodictyon tomentosum
Robert F. Hoover
1947-5-24
7194
San Luis Obispo
Pilitas Crk district
Comment
UC1285032
Eriodictyon traskiae
R. F. Hoover
1964-6-5
8925
San Luis Obispo
ridge se Cuesta Pass; se of Cuesta Pass
Comment
UC762622
Eriogonum angulosum
R. F. Hoover
1937-8-10
2663
Kern
2 mi s Devil's Den
Comment
CAS-BOT-BC248575
Eriogonum angulosum
R. F. Hoover
1966-10-8
10143
San Luis Obispo
Pass at southeast end of Carrizo Plain
Comment
OBI11155
Eriogonum angulosum
Robert F. Hoover
1949-5-15
7695
San Luis Obispo
14 mi E of Creston on La Panza Rd
Comment
UC762679
Eriogonum baileyi var. praebens
R. F. Hoover
1940-10-5
4673
Lassen
pass between Shaffer Mt. and Warren Peak
Comment
OBI11041
Eriogonum clavatum
Robert F. Hoover
1967-3-27
10281
San Luis Obispo
Chalk Mt, N side of Cuyama Valley
Comment
OBI11043
Eriogonum clavatum
Robert F. Hoover
1947-5-10
7143
San Luis Obispo
E edge of Cuyama Valley near Kern co line
Comment
CAS-BOT-BC242559
Eriogonum covilleanum
R. F. Hoover
1949-5-1
7638
San Luis Obispo
Summit of Cottonwood Pass
Comment
RSA201580
Eriogonum eastwoodianum
Robert F. Hoover
1949-5-29
7733
San Luis Obispo
Cottonwood Pass, west side
Comment
UC767811
Eriogonum elatum
R. F. Hoover
1940-9-28
4635
Lassen
3 mi ne Susanville
Comment
CAS-BOT-BC246601
Eriogonum elegans
R. F. Hoover
1946-8-18
6317
San Luis Obispo
North base of La Panza Range
Comment
UC767813
Eriogonum elongatum var. elongatum
R. F. Hoover
1938-10-9
3883
San Benito
first ridge off, on Hernandez road Hollister-King City road
Comment
CAS-BOT-BC249894
Eriogonum fasciculatum var. fasciculatum
R. F. Hoover
1965-6-18
9445
San Luis Obispo
Santa Lucia Range. Poly Canyon, San Luis Obispo
Comment
OBI11110
Eriogonum fasciculatum var. fasciculatum
Robert F. Hoover
1965-8-1
9495
San Luis Obispo
Cuesta Park, San Luis Obispo
Comment
CAS-BOT-BC249998
Eriogonum fasciculatum var. foliolosum
R. F. Hoover
1965-6-17
9437
San Luis Obispo
Ridge nw. of Cuesta Pass
Comment
OBI11099
Eriogonum fasciculatum var. foliolosum
Robert F. Hoover
1964-7-9
9131
San Luis Obispo
5 mi SE of Santa Margarita
Comment
OBI11102
Eriogonum fasciculatum var. foliolosum
Robert F. Hoover
1946-6-30
6214
San Luis Obispo
E side of La Panza Range, on a branch of Navajo crk
Comment
OBI11086
Eriogonum gossypinum
Robert F. Hoover
1967-6-4
10609
San Luis Obispo
Cyn in temblor range near N end of Elkhorn Plain
Comment
OBI11087
Eriogonum gossypinum
Robert F. Hoover
1967-6-4
10609
San Luis Obispo
Canyon in Temblor Range near N end of Elkhorn Plain
Comment
UC762694
Eriogonum gossypinum
R. F. Hoover
1937-7-29
2643
Kings
near Avenal; Kettleman Hills
Comment
OBI11085
Eriogonum gossypinum
Robert F. Hoover
1966-3-30
9771
San Luis Obispo
Panorama Hills near W base of Crocker Grade
Comment
UC1321233
Eriogonum gracile
R. F. Hoover
1965-8-27
9507
Stanislaus
12 mi e Waterford
Comment
CAS-BOT-BC250524
Eriogonum gracile
R. F. Hoover
1965-9-29
9678
San Luis Obispo
Santa Lucia Range. Tassajera Creek
Comment
OBI11072
Eriogonum gracile
Robert F. Hoover
1966-8-31
9953
Alameda
Jctn of Ames St and Raymond rd, N of Livermore
Comment
OBI11074
Eriogonum gracile
Robert F. Hoover
1966-9-9
9972
Monterey
River Rd just N of Limekiln Crk, W of Gonzales
Comment
RSA216842
Eriogonum gracile var. gracile
Robert F. Hoover
1966-10-1
10104
San Luis Obispo
Lower Lopez Canyon
Comment
CAS-BOT-BC252174
Eriogonum gracillimum
R. F. Hoover
1937-7-14
2613
Fresno
Mendota
Comment
UC761778
Eriogonum gracillimum
R. F. Hoover
1936-4-3
874
Fresno
Kerman
Comment
UC761779
Eriogonum gracillimum
R. F. Hoover
1937-7-14
2613
Fresno
Mendota
Comment
UC761780
Eriogonum gracillimum
R. F. Hoover
1937-7-29
2645
Kings
near Avenal; Kettleman City
Comment
OBI11059
Eriogonum grande var. rubescens
R. L. Hoover
1968-7-3
66
Santa Barbara
1/2 mi NE of Forney's cove, W end of Santa Cruz Island
Comment
CAS-BOT-BC261191
Eriogonum heermannii var. heermannii
R. F. Hoover
1952-5-24
8218
San Luis Obispo
Caliente Mt.
Comment
UC762678
Eriogonum hirtiflorum
R. F. Hoover
1938-6-9
3551
Lake
between Burns Valley and Borax Lake
Comment
OBI37298
Eriogonum inflatum
D. A. Hoover
1985-6-20
582
San Bernardino
Morongo Cyn, SE of Morongo Valley
762
Comment
OBI11029
Eriogonum luteolum
Robert F. Hoover
1966-8-23
9927
Lake
2 mi NE of Middletown, at base of barren serpentine hill
Comment
CAS-BOT-BC263046
Eriogonum maculatum
Robert F. Hoover
1940-10-5
4670
Lassen
Wendel
Comment
UCR40294
Eriogonum maculatum
D. A. Hoover
1985-8-14
656
San Bernardino
Southern Mojave Desert/Little San Bernardino Mtns., Big Morongo Preserve, south of Morongo Valley. Mound of dirt bulldozed from the pipeline road at the SW corner of the Preserve
762
Comment
CAS-BOT-BC270995
Eriogonum nudum var. auriculatum
R. F. Hoover
1937-7-17
2629
Stanislaus
Upper Del Puerto Canyon
Comment
OBI11000
Eriogonum nudum var. auriculatum
Robert F. Hoover
1969-8-8
11518
Monterey
Elkhorn Rd bordering Elkhorn Slough
Comment
UC1392922
Eriogonum nudum var. indictum
R. F. Hoover
1969-9-19
11594
San Luis Obispo
Palo Prieto Canyon
Comment
RSA216734
Eriogonum nudum var. pubiflorum
Robert F. Hoover
1965-9-29
9664
San Luis Obispo
Santa Lucia Range: Tassajera Creek
Comment
CAS-BOT-BC266828
Eriogonum ordii
R. F. Hoover
1966-3-30
9781
San Luis Obispo
First large canyon north of Crocker Grade, west side of Temblor Range
Comment
CAS-BOT-BC257825
Eriogonum parvifolium
Robert F. Hoover
1938-8-7
3731
Monterey
Coastal cliffs between Big Sur and Little Sur Rivers
Comment
CAS-BOT-BC257910
Eriogonum parvifolium
R. F. Hoover
1964-8-13
9211
San Luis Obispo
Santa Lucia Range. San Bernardo Creek, north slope
Comment
CAS-BOT-BC268358
Eriogonum roseum
R. F. Hoover
1952-11-1
8273
San Luis Obispo
Caliente Mt.
Comment
CAS-BOT-BC268390
Eriogonum roseum
R. F. Hoover
1946-9-15
6413
San Luis Obispo
West edge of Carrizo Plain, w. of Simmler
Comment
UC762692
Eriogonum roseum
R. F. Hoover
1937-6-26
2543
Tuolumne
2 mi s Confidence
Comment
UC768654
Eriogonum roseum
R. F. Hoover
1937-9-2
2712
Contra Costa
2 mi s Antioch
Comment
OBI10960
Eriogonum roseum
Robert F. Hoover
1946-8-18
6307
San Luis Obispo
E side of La Panza Range on a branch of Navajo Crk
Comment
OBI11125
Eriogonum temblorense
Robert F. Hoover
1949-5-29
7733
San Luis Obispo
Cottonwood Pass, W side
Comment
UC1392980
Eriogonum trichopes
R. F. Hoover
1968-3-24
11923
San Bernardino
n side of Pickhandle Pass Barstow; Pickhandle Pass
Comment
UC762652
Eriogonum tripodum
R. F. Hoover
1937-6-3
2361
Tuolumne
3 mi n Keystone
Comment
CAS-BOT-BC262397
Eriogonum vimineum
Robert F. Hoover
1938-7-15
3652
Tuolumne
Brightman Flat
Comment
CAS-BOT-BC264894
Eriogonum viridescens
R. F. Hoover
1965-9-19
9614
San Luis Obispo
La Panza District
Comment
OBI11028
Eriogonum viridescens
Robert F. Hoover
1967-6-4
10591
San Luis Obispo
Cyn in Temblor Range near N end of Elkhorn Plain
Comment
CAS-BOT-BC264900
Eriogonum viridescens
R. F. Hoover
1946-6-16
6165
San Luis Obispo
La Panza District just w. of La Panza Ranch
Comment
OBI10934
Eriogonum viridescens
Robert F. Hoover
1946-6-16
6165
San Luis Obispo
La Panza district in juniper belt just W of La Panza Ranch
Comment
UC1392936
Eriogonum wrightii var. subscaposum
R. F. Hoover
1969-10-5
11641
Ventura
on s side near summit; Mt. Abel
Comment
OBI16509
Eriophyllum confertiflorum
Robert F. Hoover
1968-4-17
11047
San Luis Obispo
Elkhorn Hills
Comment
UC762039
Eriophyllum confertiflorum var. confertiflorum
R. F. Hoover
1938-5-29
3522
Madera
w of Fresno River (Raymond-Coarsefold road)
Comment
CAS-BOT-BC301084
Eriophyllum lanatum var. achilleoides
R. F. Hoover
1957-7-19
8388
San Luis Obispo
Cypress Mt.
Comment
JEPS34649
Eriophyllum lanatum var. grandiflorum
R. F. Hoover
1936-5-2
1087
Stanislaus
Waterford
Comment
UC1392637
Eriophyllum lanosum
R. F. Hoover
1968-3-25
10974
San Bernardino
in sandy wash just n of Essex
Comment
OBI18732
Eriophyllum multicaule
Robert F. Hoover
1947-4-13
6925
San Luis Obispo
Baywood Park
Comment
OBI18734
Eriophyllum multicaule
Robert F. Hoover
1947-4-20
6978
San Luis Obispo
Near El Dorado School
Comment
UC1285399
Eriophyllum multicaule
R. F. Hoover
1947-4-13
6925
San Luis Obispo
Bay Wood Park
Comment
UC1285408
Eriophyllum pringlei
R. F. Hoover
1947-3-30
6822
San Luis Obispo
about 5 mi s Creston; East Branch of Huerhuero Creek
Comment
JEPS5427
Eriophyllum wallacei
R. F. Hoover
1938-4-16
3135
Kern
2 mi n Rosamond
Comment
UC1314930
Erodium brachycarpum
R. F. Hoover
1967-4-5
10338
San Luis Obispo
near summit w of East Branch Huerhuero Creek (on Highway 58)
Comment
OBI14110
Erodium cicutarium
Robert F. Hoover
1964-4-12
8720
San Luis Obispo
San Luis Obispo
Comment
UC766357
Erodium moschatum
R. F. Hoover
1946-3-30
6041
Kings
Kettleman Hills
Comment
UC765824
Eryngium aristulatum var. aristulatum
R. F. Hoover
1938-9-23
3855
Solano
Benicia-Cordelia rd.
Comment
UC771668
Eryngium armatum
R. F. Hoover
1946-8-3
6266
San Luis Obispo
Laguna near San Luis Obispo; Laguna
Comment
UC765479
Eryngium articulatum
R. F. Hoover
1936-5-22
1200
Shasta
3 mi. e. Redding
Comment
JEPS15851
Eryngium castrense
Robert F. Hoover
1935-12-1
725
Stanislaus
Modesto
Comment
JEPS15977
Eryngium castrense
Robert F. Hoover
1935-6-25
673
Kern
McFarland
Comment
UC764146
Eryngium castrense
R. F. Hoover
1935-6-12
657
Stanislaus
Valley Home
Comment
UC764147
Eryngium castrense
R. F. Hoover
1937-6-10
2403
Amador
4 mi. s.w. Ione
Comment
UC765480
Eryngium castrense
R. F. Hoover
1936-5-22
1201
Shasta
3 mi. e. Redding
Comment
UC1392808
Eryngium castrense
R. F. Hoover
1968-5-27
11102
Tehama
10 mi. w. Corning
Comment
LA33268
Eryngium pinnatisectum
Robert F. Hoover;
1937-6-10
2436
Calaveras
Salt Springs Valley Reservoir
Comment
CAS-BOT-BC218460
Eryngium racemosum
R. F. Hoover
1968-6-2
11144
Stanislaus
Carpenter Road near San Joaquin River
Comment
OBI8973
Eryngium racemosum
Robert F. Hoover
1968-6-2
11144
Stanislaus
Carpenter Rd. near San Joaquin River
Comment
RSA212267
Eryngium racemosum
Robert F. Hoover
1965-8-27
9521
Stanislaus
Carpenter Road near San Joaquin River, south of Modesto
Comment
UC764607
Eryngium spinosepalum
R. F. Hoover
1935-12-23
727
Stanislaus
4 mi. w. Newman (near Orestimba Creek)
Comment
UC771669
Eryngium vaseyi
R. F. Hoover
1946-6-16
6171
San Luis Obispo
1 mi S of Simmler (Carrizo Plain)
Comment
CAS-BOT-BC41516
Erysimum asperum
R. F. Hoover
1935-3-30
s.n.
Fresno
Near Coalinga.
Comment
UC762923
Erysimum capitatum
R. F. Hoover
1938-4-10
3062
San Joaquin
1 mi e Midway
Comment
UC762938
Erysimum capitatum
R. F. Hoover
1937-6-25
2525
Tuolumne
below Long Barn; Sawmill Meadow
Comment
UC765078
Erysimum capitatum
R. F. Hoover
1941-4-19
4863
Stanislaus
middle part Del Puerto Canyon
Comment
CAS-BOT-BC54488
Erysimum capitatum
R. F. Hoover
1953-5-16
8303
San Luis Obispo
Foothills on northeast side of Carrizo Plain, 5 miles northeast of Simmler.
Comment
GH379532
Erysimum capitatum var. angustatum
R. F. Hoover
1937-5-14
2111
Unknown
Antioch sand-dunes
Comment
OBI15044
Erysimum capitatum var. capitatum
Robert F. Hoover
1947-3-30
6842
San Luis Obispo
W edge of Carrizo Plain W of Simmler
Comment
OBI15071
Erysimum suffrutescens
Robert F. Hoover
1948-3-26
7430
San Luis Obispo
Sunnyside School near Baywood Park
Comment
UC765992
Eschscholzia caespitosa
R. F. Hoover
1941-3-25
4822
Stanislaus
Knights Ferry
Comment
CAS-BOT-BC402818
Eschscholzia caespitosa
R. F. Hoover
1949-5-17
7705
San Luis Obispo
Upper Arroyo Grande at County Park
Comment
CAS-BOT-BC403498
Eschscholzia californica
R. F. Hoover
1964-6-11
9041
San Luis Obispo
Just south of Hazard Canyon
Comment
UC766000
Eschscholzia californica
R. F. Hoover
1938-3-18
2861
Stanislaus
Del Puerto Canyon; mouth
Comment
OBI11814
Eschscholzia californica
Robert F. Hoover
1952-4-8
8084
San Luis Obispo
Just W of summit of Temblor range on McKittrick rd
Comment
OBI11771
Eschscholzia hypecoides
Robert F. Hoover
1949-3-27
7562
Monterey
Lewis Crk e of king city
Comment
CAS-BOT-BC76477
Eschscholzia lemmonii
R. F. Hoover
1950-4-2
7789
San Luis Obispo
West edge of Carrizo Plain west of Simmler.
Comment
UC596399
Eschscholzia lemmonii
R. F. Hoover
1938-3-20
2890
Merced
10 mi s Los Banos
Comment
UC596402
Eschscholzia lemmonii
R. F. Hoover
1938-3-27
2917
Kings
above Kettleman City; Kettleman Hills
Comment
UC766074
Eschscholzia lemmonii
R. F. Hoover
1938-5-1
3304
Kings
near Avenal; Kettleman Hills
Comment
UC766985
Eschscholzia lemmonii
R. F. Hoover
1938-4-3
3007
San Benito
Little Panoche Pass Glaucophane Ridge
Comment Read comments Feb 6 2017
UC765979
Eschscholzia lobbii
Robert F. Hoover
1935-3-15
332
Stanislaus
Claus San Joaquin Valley
Comment
RSA201522
Eschscholzia rhombipetala
Robert F. Hoover
1950-3-31
7775
San Luis Obispo
La Panza district
Comment
OBI12264
Eucalyptus globulus
Robert F. Hoover/Betty L. Hoover
1962-2-2
26
San Luis Obispo
Hazard Cyn
Comment
UC596095
Eucephalus breweri
R. F. Hoover
1938-7-19
3699
Tuolumne
trail from Brightman Flat to Eagle Meadow Brightman Flat
Comment
UC1392979
Eucrypta micrantha
R. F. Hoover
1968-3-25
10991
San Bernardino
Slopes near Sacramento Spring.
Comment
GH47693
Euphorbia hooveri
R. F. Hoover
1937-6-30
2583
Unknown
redacted by HUH
Comment
SEINET4425640
Euphorbia hooveri
R. F. Hoover
1937-1
Unknown
Comment
OBI14370
Euphorbia micromera
Robert F. Hoover
1966-10-15
10154
Riverside
Dead Indian Creek Wash, S of Palm Desert
Comment
OBI14388
Euphorbia spathulata
Robert F. Hoover
1969-4-22
11254
San Luis Obispo
San Bernardo crk E of Morro Bay
Comment
CAS-BOT-BC310715
Euthamia occidentalis
R. F. Hoover
1966-9-16
10027
San Luis Obispo
Santa Margarita Creek 2 mi. n. of Santa Margarita
Comment
OBI21815
Festuca bromoides
Robert F. Hoover
1964-4-14
8712
San Luis Obispo
San Luis Obispo
Comment
CAS-BOT-BC278367
Festuca elmeri
R. F. Hoover
1948-5-3
7511
San Luis Obispo
See Canyon
Comment
OBI21875
Festuca myuros
Robert F. Hoover
1964-6-5
8919
San Luis Obispo
Ridge SE of Cuesta Pass
Comment
OBI21876
Festuca myuros
Robert F. Hoover
1964-6-5
8927
San Luis Obispo
Ridge SE of Cuesta Pass
Comment
OBI21882
Festuca octoflora
Robert F. Hoover
1967-5-6
10531
San Luis Obispo
Jack Lake
Comment
UC766833
Festuca rubra
R. F. Hoover
1940-8-2
4495
Tuolumne
n side Emigrant Lake
Comment
OBI21890
Festuca rubra
Robert F. Hoover
1949-5-7
7662
San Luis Obispo
Piedras Blancas Point (just N of)
Comment
OBI10301
Frangula californica subsp. californica
Robert F. Hoover
1946-10-27
6537
San Luis Obispo
Cyn opening S into Cuyama River opposite Pioneer Grove (which is in Santa Barbara county)
Comment
OBI10296
Frangula californica subsp. tomentella
Robert F. Hoover
1946-10-27
6536
San Luis Obispo
Cyn opening S into Cuyama River opposite Pioneer Grove (which is in Santa Barbara county)
Comment
OBI10297
Frangula californica subsp. tomentella
Robert F. Hoover
1946-9-22
6438
San Luis Obispo
West of Paso Robles on road to Adelaida
Comment
OBI14188
Frankenia salina
Robert F. Hoover
1969-7-19
11501
San Luis Obispo
south of Pismo Crk near Pismo Beach
Comment
OBI14189
Frankenia salina
Robert F. Hoover
1965-10-1
9702
San Luis Obispo
Cuesta-by -the-sea, S shore of Morro Bay
Comment
OBI14196
Frankenia salina
Robert F. Hoover
1968-6-6
11153
Riverside
1 mi E of Perris
Comment
OBI14197
Frankenia salina
Robert F. Hoover
1965-8-27
9513
Stanislaus
Carpenter rd near San Joaquin river, S of Modesto
Comment
OBI14195
Frankenia salina
Robert F. Hoover
1966-8-31
9951
Alameda
Jctn of Ames St. and Raymond rd, N of Livermore
Comment
UC1002610
Fraxinus dipetala
A. N. Hoover
1954-7-10
32
San Benito
near jct West Fork and Cr-Chalone (near old Pinnacles road); Pinnacles National Monument
1100
Comment
CAS-BOT-BC217671
Fraxinus dipetala
R. F. Hoover
1968-4-16
11019
Santa Barbara
Gline Canyon, south side of Cuyama Canyon
Comment
CAS-BOT-BC504395
Fritillaria
R. F. Hoover
1964-4-15
8734
San Luis Obispo
Northwest of Cuesta Pass
Comment
UC765418
Fritillaria affinis
R. F. Hoover
1941-4-20
4887
Stanislaus
near head of Del Puerto Canyon Del Puerto Canyon
Comment
UC765419
Fritillaria agrestis
R. F. Hoover
1935-3-18
789
Stanislaus
4 mi nw of Waterford
Comment
CAS-BOT-BC130231
Fritillaria agrestis
R. F. Hoover
1949-4-21
7621
San Luis Obispo
14 mi. E. of Creston on La Panza Road
Comment
CAS-BOT-BC130278
Fritillaria biflora
R. F. Hoover
1947-3-8
6652
San Luis Obispo
San Simeon
Comment
OBI21378
Fritillaria biflora
Robert F. Hoover
1964-5-12
8801
San Luis Obispo
Los Osos Valley
Comment
OBI21380
Fritillaria biflora
Robert F. Hoover
1947-3-8
6652
San Luis Obispo
San Simeon
Comment
UC765422
Fritillaria micrantha
R. F. Hoover
1937-6-26
2533
Tuolumne
Long Barn
Comment
CAS-BOT-BC130435
Fritillaria pluriflora
Robert F. Hoover
1939-3-5
3901
Colusa
Two miles south of Stonyford
Comment
UC765954
Fritillaria striata
R. F. Hoover
1936-2-29
738
Tulare
Frazier Valley
Comment
OBI9915
Galium aparine
Robert F. Hoover
1954-5-15
8344
San Luis Obispo
Calf Cyn
Comment
UC766031
Galium aparine
Robert F. Hoover
1936-4-5
887
Stanislaus
Modesto
Comment
UC766033
Galium aparine
Robert F. Hoover
1936-3-17
765
Stanislaus
La Grange
Comment
JEPS35261
Galium californicum subsp. flaccidum
R. F. Hoover
1947-5-25
7210
San Luis Obispo
Cambria
Comment
OBI9935
Galium californicum subsp. flaccidum
Robert F. Hoover
1947-5-25
7210
San Luis Obispo
Cambria
Comment
OBI9932
Galium californicum subsp. flaccidum
Robert F. Hoover
1947-5-24
7198
San Luis Obispo
Pilitas Crk district
Comment
UC766041
Galium porrigens var. porrigens
R. F. Hoover
1938-2-15
2736
Marin
Sausalito
Comment
JEPS35319
Galium porrigens var. porrigens
R. F. Hoover
1964-5-11
8794
San Luis Obispo
near Hi Mountain Spring Camp
Comment
OBI9912
Galium trifidum subsp. columbianum
Robert F. Hoover
1964-8-14
9265
San Luis Obispo
Jack Lake
Comment
UC765092
Garrya elliptica
R. F. Hoover
1941-2-2
4745
Marin
nw of Inverness; Inverness Ridge
Comment
CAS-BOT-BC208388
Garrya elliptica
R. F. Hoover
1946-11-16
6554
San Luis Obispo
Upper Arroyo Grande, near top of ridge opposite County Park
Comment
CAS-BOT-BC144758
Garrya veatchii
R. F. Hoover
1964-7-9
9146
San Luis Obispo
5 mi. w. of Pozo (Salsipuedes Creek)
Comment
UC762217
Gayophytum heterozygum
R. F. Hoover
1938-7-15
3645
Tuolumne
Brightman Flat
Comment
OBI12031
Gayophytum humile
Robert F. Hoover
1967-9-5
10842
Placer
Carnelian Bay, Lake Tahoe
Comment
UC762216
Gayophytum humile
R. F. Hoover
1937-6-23
2498
Tuolumne
ridge above Long Barn
Comment
OBI14086
Geranium dissectum
Robert F. Hoover
1948-4-14
7445
San Luis Obispo
Coast W of Cambria
Comment
OBI14087
Geranium dissectum
Robert F. Hoover
1965-5-22
9380
San Luis Obispo
Cambria, N of town
Comment
UC963988
Gilia capitata subsp. chamissonis
R. F. Hoover
1941-5-21
5168
Marin
Point Reyes
Comment
UC963956
Gilia capitata subsp. staminea
R. F. Hoover
1935-5-27
581
Stanislaus
Modesto
Comment
UC963957
Gilia capitata subsp. staminea
R. F. Hoover
1938-4-9
3027
San Joaquin
1 mi n Corral Hollow (near Alameda Co. line); n of Corral Hollow
Comment
JEPS69578
Gilia clivorum
R. F. Hoover
1940-4-13
4347
Stanislaus
hill n of mouth Del Puerto Canyon; n of mouth of Del Puerto Canyon
Comment
UC963955
Gilia latiflora subsp. davyi
R. F. Hoover
1938-4-16
3119
Los Angeles
near Bailey's (Upper Antelope Valley); upper Antelope Valley, near Bailey's
Comment
UC962104
Gilia minor
R. F. Hoover
1940-4-7
4314
Stanislaus
Lower Crow Creek Canyon
Comment
UC764582
Githopsis pulchella subsp. campestris
R. F. Hoover
1937-5-18
2236
Butte
3 mi n Chico
Comment
CAS-BOT-BC303811
Glyptopleura setulosa
R. F. Hoover
1968-3-24
10943
San Bernardino
6 miles N of Barstow
Comment
CAS-BOT-BC108942
Goodmania luteola
Robert F. Hoover
1937-5-27
2328
Fresno
9 miles south of Kerman.
Comment
UC596457
Goodmania luteola
Robert F. Hoover
1937-4-10
1779
Fresno
9 mi s Kerman
Comment
UC768466
Goodmania luteola
R. F. Hoover
1937-6-30
2562
Madera
4 mi sw Chowchilla
Comment
OBI20835
Greeneocharis circumscissa
Robert F. Hoover
1967-6-4
10596
San Luis Obispo
Cyn in Temblor range near N end of Elkhorn Plain
Comment
CAS-BOT-BC305083
Grindelia hirsutula
R. F. Hoover
1965-9-29
9681
San Luis Obispo
Santa Margarita
Comment
CAS-BOT-BC314562
Grindelia hirsutula
R. F. Hoover
1966-9-8
9965
Monterey
Castroville
Comment
UC762619
Grindelia hirsutula
R. F. Hoover
1941-5-21
5186
Marin
head Drake's Estero
Comment
CAS-BOT-BC305119
Grindelia hirsutula
R. F. Hoover
1969-6-23
11395
San Luis Obispo
Summit of Cuesta Pass
Comment
UC1285360
Grindelia hirsutula
R. F. Hoover
1946-9-14
6393
San Luis Obispo
on Shandon Road 6 mi e Paso Robles
Comment
OBI16368
Grindelia stricta var. platyphylla
Robert F. Hoover
1946-8-8
6282
San Luis Obispo
N end of Morro Bay
Comment
OBI16369
Grindelia stricta var. platyphylla
Robert F. Hoover
1946-7-21
6230
San Luis Obispo
San Simeon Crk Beach
Comment
RSA216869
Gutierrezia californica
Robert F. Hoover
1966-10-7
10131
San Luis Obispo
Chalk Mountain (white hills) on north side of Cuyama Valley
Comment
UC1321239
Gutierrezia californica
R. F. Hoover
1966-10-7
10131
San Luis Obispo
Chalk Mountain (white hills) Chalk Mountain, Cuyama Valley (n side of Cuyama Valley)
Comment
UC762606
Gutierrezia californica
R. F. Hoover
1937-8-10
2662
Kern
2 mi s Devil's Den
Comment
CAS-BOT-BC302382
Hazardia stenolepis
R. F. Hoover
1965-10-22
9723
Santa Barbara
Sierra Madre Ridge near head of Lion Canyon
Comment
UC1285135
Hazardia stenolepis
R. F. Hoover
1947-9-19
7402
San Luis Obispo
1 mi w Pozo
Comment
JEPS36559
Hedypnois rhagadioloides
R. F. Hoover
1937-7-3
2598
Merced
3 mi n Snelling
Comment
CAS-BOT-BC306720
Helenium bigelovii
R. F. Hoover
1947-8-9
7360
San Luis Obispo
Between San Carpoforo Creek and Arroyo de la Cruz
Comment
OBI16346
Helenium puberulum
Robert F. Hoover
1966-8-23
9934
Napa
Butts Cyn near Lake Co. line
Comment
CAS-BOT-BC309517
Helenium puberulum
R. F. Hoover
1946-8-24
6331
San Luis Obispo
Near Laguna, San Luis Valley
Comment
OBI16335
Helenium puberulum
Robert F. Hoover
1966-10-1
10107
San Luis Obispo
Vasquez Cyn, tributary to lower Lopez Cyn
Comment
RSA216863
Helenium puberulum
Robert F. Hoover
1966-10-1
10107
San Luis Obispo
Vasquez Canyon, tributary to lower Lopez Canyon.
Comment
CAS-BOT-BC305550
Helianthus bolanderi
R. F. Hoover
1946-9-15
6398
San Luis Obispo
Rinconada Mine (betw. Santa Margarita & Pozo)
Comment
OBI20845
Heliotropium curassavicum var. oculatum
Robert F. Hoover
1969-7-19
11500
San Luis Obispo
S of Pismo Crk near Pismo Beach
Comment
OBI20847
Heliotropium curassavicum var. oculatum
Robert F. Hoover
1966-9-16
10020
San Luis Obispo
Santa Margarita Crk 2 mi N of Santa Margarita
Comment
OBI20846
Heliotropium curassavicum var. oculatum
Robert F. Hoover
1966-9-12
9995
San Luis Obispo
Nipomo Crk SE of Nipomo
Comment
CAS-BOT-BC306051
Hemizonia congesta subsp. clevelandii
R. F. Hoover
1938-9-3
3796
Lake
Middletown
Comment
JEPS12567
Hemizonia congesta subsp. clevelandii
R. F. Hoover
1938-9-3
3796
Lake
Middletown
Comment
CAS-BOT-BC309666
Hemizonia congesta subsp. lutescens
R. F. Hoover
1969-8-8
11515
Monterey
South of Moro Cojo Slough east of Castroville
Comment
UC1392905
Hemizonia congesta subsp. lutescens
R. F. Hoover
1969-8-8
11524
Monterey
2 mi s Pajaro
Comment
CAS-BOT-BC314858
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1937-9-2
2709
Contra Costa
Walnut Creek
Comment
OBI16208
Hemizonia congesta subsp. luzulifolia
Robert F. Hoover
1946-9-15
6400
San Luis Obispo
Rinconada districts, betw Santa Margarita and Pozo
Comment
OBI16220
Hemizonia congesta subsp. luzulifolia
Robert F. Hoover
1965-8-1
9498
San Luis Obispo
Valley W of Mt Bishop
Comment
CAS-BOT-BC309871
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1946-8-24
6333
San Luis Obispo
Near Laguna near San Luis Obispo
Comment
RSA216758
Hemizonia increscens
Robert F. Hoover
1969-9-15
11591
San Luis Obispo
At mouth of Chorro Creek, Morro Bay.
Comment
RSA218756
Hemizonia increscens
Robert F. Hoover
1966-9-8
9962
Monterey
Natividad, on Old Stage Road S of Old Natividad Road.
Comment
OBI16137
Hemizonia increscens subsp. foliosa
Robert F. Hoover
1946-9-15
6404
San Luis Obispo
Pozo
Comment
RSA216762
Hemizonia lutescens
Robert F. Hoover
1969-9-2
11573
Mendocino
2 miles E of Castroville.
Comment
CAS-BOT-BC291995
Hemizonia pallida
R. F. Hoover
1947-5-10
7145
San Luis Obispo
East edge of Cuyama Valley near Kern Co. line
Comment
RSA0001297
Hemizonia paniculata subsp. foliosa
Robert F. Hoover
1946-9-15
6404
San Luis Obispo
Pozo, roadside and pasture.
Comment
JEPS29506
Hesperevax caulescens
R. F. Hoover
1937-5-19
2255
Tehama
near Vina
Comment
OBI21392
Hesperocallis undulata
Robert F. Hoover
1968-3-25
10950
San Bernardino
7 mi E of Newberry
Comment
OBI8724
Hesperocnide tenella
Robert F. Hoover
1967-4-5
10349
San Luis Obispo
Between San Juan River and Carrizo Plain on hwy 58
Comment
OBI7216
Hesperocyparis macrocarpa
Robert F. Hoover
1955-1-22
8351
San Luis Obispo
Second ravine N of San Carpoforo Crk along coast, above (east of ) Hwy 1 on south side of ravine
Comment
CAS-BOT-BC167429
Hesperolinon breweri
Robert F. Hoover
1939-5-20
4106
Contra Costa
Head of Markley Canyon
Comment
OBI12540
Hesperolinon micranthum
Robert F. Hoover
1964-6-6
8951
San Luis Obispo
Ridge NW of Cuesta Pass
Comment
UC1296166
Heterodraba unilateralis
R. F. Hoover
1949-4-21
7625
San Luis Obispo
14 mi e of Creston (on La Panza Road)
Comment
CAS-BOT-BC310951
Heterotheca grandiflora
R. F. Hoover
1965-10-1
9694
San Luis Obispo
Coast road just south of Hazard Canyon
Comment
OBI16093
Heterotheca oregona var. oregona
Robert F. Hoover
1946-10-20
6515
San Luis Obispo
Upper Huasna River just below Arroyo Seco
Comment
UC1285325
Heterotheca oregona var. scaberrima
R. F. Hoover
1946-10-20
6515
San Luis Obispo
Comment
UC762722
Heterotheca oregona var. scaberrima
R. F. Hoover
1937-7-14
2603
Stanislaus
Orestimba Canyon
Comment
JEPS2462
Heterotheca sessiliflora subsp. echioides
R. F. Hoover
1936-10-1
1608
Madera
5 mi sw Chowchilla
Comment
UC1321308
Heterotheca sessiliflora subsp. echioides
R. F. Hoover
1966-9-16
10066
San Luis Obispo
Creston
Comment
UC762724
Heterotheca sessiliflora subsp. echioides
R. F. Hoover
1938-9-10
35385
Stanislaus
Del Puerto Canyon
Comment
UC1392883
Heuchera pilosissima
R. F. Hoover
1969-3-25
11190
San Luis Obispo
n side of Morro Rock Morro Bay
Comment
CAS-BOT-BC318469
Hieracium argutum
R. F. Hoover
1969-7-17
11475
San Luis Obispo
Just west of Cuesta Pass summit
Comment
UC762948
Hirschfeldia incana
Robert F. Hoover
1934-10-22
198
Stanislaus
Modesto
Comment
UC764093
Hoita macrostachya
R. F. Hoover
1937-6-15
2462
Tuolumne
Mocassin Creek Basin; upper end, on road to Coulterville
Comment
OBI12760
Hoita macrostachya
Robert F. Hoover
1964-8-13
9215
San Luis Obispo
San Bernardo Crk
Comment
CAS-BOT-BC412713
Hollisteria lanata
R. F. Hoover
1949-5-29
7731
San Luis Obispo
Cottonwood Pass, west side
Comment
UC596461
Hollisteria lanata
R. F. Hoover
1937-5-27
2327
Fresno
9 mi s of Kerman
Comment
UC768467
Hollisteria lanata
R. F. Hoover
1937-5-27
2327
Fresno
9 mi s of Kerman
Comment
CAS-BOT-BC412712
Hollisteria lanata
R. F. Hoover
1946-6-16
6168
San Luis Obispo
1 mi. s. of Simmler, Carrizo Plain
Comment
CAS-BOT-BC325898
Holocarpha heermannii
R. F. Hoover
1946-9-22
6442
San Luis Obispo
West of Paso Robles on road to Adelaida
Comment
OBI16065
Holocarpha heermannii
Robert F. Hoover
1947-8-17
7381
San Luis Obispo
Near summit of Santa Lucia Mts on Templeton -Cambria Rd
Comment
OBI16066
Holocarpha heermannii
Robert F. Hoover
1947-8-17
7381
San Luis Obispo
Near summot of Santa Lucia Mts on Templeton-Cambria rd
Comment
OBI16067
Holocarpha heermannii
Robert F. Hoover
1946-10-6
6477
San Luis Obispo
Cottonwood Pass, just W of summit
Comment
UC1285387
Holocarpha heermannii
R. F. Hoover
1946-9-22
6442
San Luis Obispo
w Paso Robles (on road to Adelaida)
Comment
UC1392928
Holocarpha heermannii
R. F. Hoover
1969-9-13
11587
San Luis Obispo
w Paso Robles
Comment
CAS-BOT-BC324607
Holocarpha obconica
R. F. Hoover
1965-9-24
9646
San Joaquin
River Road just norht of the Stanislaus Co. line near San Joaquin River
Comment
JEPS12553
Holocarpha obconica
R. F. Hoover
1938-5-28
3502
Merced
10 min s of Los Banos
Comment
OBI16048
Holocarpha obconica
Robert F. Hoover
1965-8-27
9504
Alameda
Altamont Pass, 2 mi from old "Mountain House" on rd toward Altamont
Comment
OBI16049
Holocarpha obconica
Robert F. Hoover
1965-9-24
9646
San Joaquin
River Rd just N of Stanislaus Co line, near San Joaquin river
Comment
UC762754
Holocarpha obconica
R. F. Hoover
1937-7-14
2610
Fresno
plain near Panoche Creek
Comment
CAS-BOT-BC324605
Holocarpha obconica
R. F. Hoover
1969-5-24
11346
Stanislaus
Low hills south of mouth of Del Puerto Canyon
Comment
CAS-BOT-BC320406
Holocarpha virgata
R. F. Hoover
1965-8-27
9511
Stanislaus
9 mi. e. of Waterford
Comment
OBI16039
Holocarpha virgata subsp. virgata
Robert F. Hoover
1965-9-24
9643
Stanislaus
Maze Rd near San Joaquin river W of Modesto
Comment
CAS-BOT-BC285142
Hordeum marinum subsp. gussoneanum
R. F. Hoover
1964-5-10
8752
San Luis Obispo
Near Paso Robles Airport
Comment
CAS-BOT-BC537147
Horkelia cuneata var. cuneata
R. F. Hoover
1959-5-23
8507
San Luis Obispo
Low ridge bordering Los Osos Valley on NE
Comment
UC766414
Horkelia tenuiloba
Robert F. Hoover
1941-6-7
5301
Sonoma
Molino-Occidental Rd
Comment
UC762953
Hornungia procumbens
Robert F. Hoover
1935-3-29
401
Merced
Los Banos
Comment
OBI13198
Hosackia gracilis
Robert F. Hoover
1947-4-18
6942
San Luis Obispo
Cambria
Comment
UC761867
Hulsea algida
R. F. Hoover
1940-7-29
4469
Alpine
Bald Peak
Comment
UC762752
Hymenoxys hoopesii
Robert F. Hoover
1936-7-1
1452
Tuolumne
trail to Kennedy Lake
Comment
UC762275
Hypericum concinnum
R. F. Hoover
1937-6-10
2408
Amador
3 mi. w. Ione
Comment
UC762276
Hypericum formosum var. scouleri
R. F. Hoover
1939-7-27
4187
Tuolumne
n. side of Pigeon Flat
Comment
CAS-BOT-BC401421
Hypericum scouleri
R. F. Hoover
1950-6-21
8015
San Luis Obispo
Pine Mt., Santa Lucia Mts.
Comment
OBI13997
Hypericum scouleri
Robert F. Hoover
1950-6-21
8015
San Luis Obispo
Pine Mt, Santa Lucia Mts
Comment
HSC5867
Hypochaeris radicata
R. C. Hoover
1965-5-13
39
Humboldt
At the end of Murray Rd. about 1 1/2 mi. W of McKinleyville
Comment
UC963989
Ipomopsis aggregata subsp. bridgesii
R. F. Hoover
1938-8-17
3765
Mariposa
above falls (Bridalveil Creek Canyon)
Comment
CAS-BOT-BC315705
Isocoma acradenia var. bracteosa
R. F. Hoover
1965-9-19
9631
San Luis Obispo
Carrizo Plain on west side of Soda Lake
Comment
CAS-BOT-BC311680
Isocoma menziesii var. sedoides
R. F. Hoover
1964-10-3
9313
San Luis Obispo
Mouth of Coon Creek
Comment
OBI23536
Isocoma menziesii var. vernonioides
Robert F. Hoover
1969-9-23
11610
San Luis Obispo
Morro Bay, south end
Comment
SFV4353
Isocoma menziesii var. vernonioides
D. H. Hoover
1967-9-30
s. n.
San Diego
About 4 miles southeast of Fallbrook, near J. R. Hoover Ranch.
61
Comment
CAS-BOT-BC61906
Isoetes nuttallii
R. F. Hoover
1947-4-18
6948
San Luis Obispo
Cambria
Comment
UC770083
Isoetes nuttallii
R. F. Hoover
1937-5-4
2018
Stanislaus
4 mi s Oakdale
Comment
CAS-BOT-BC69835
Isoetes orcuttii
Robert F. Hoover
1936-4-30
1072
Sacramento
5 mi. nw. of Thorton.
Comment
OBI22591
Isolepis carinata
Robert F. Hoover
1950-4-21
7854
San Luis Obispo
Cambria
Comment
SEINET4170780
Isolepis cernua
R. F. Hoover
1946-7-21
6229
San Luis Obispo
Seashore nw. of Cambria
Comment
UC1315108
Jensia rammii
R. F. Hoover
1967-6-17
10642
Nevada
2 mi n Chicago Park
Comment
OBI4946
Juglans hindsii
Robert F. Hoover
1965-9-18
9574
San Luis Obispo
Trout Crk just E of Santa Margarita
Comment
UC766157
Juncus acuminatus
Robert F. Hoover
1936-5-27
1228
Stanislaus
Oakdale
Comment
UC766161
Juncus brachyphyllus
Robert F. Hoover
1941-6-1
5292
Amador
4 mi s Ione
Comment
UC765805
Juncus bufonius var. congestus
R. F. Hoover
1936-4-28
993
Fresno
5 mi e Clovis
Comment
OBI21106
Juncus chlorocephalus
Robert F. Hoover
1967-9-7
10856
Placer
Antone Meadow
Comment
OBI21107
Juncus chlorocephalus
Robert F. Hoover
1938-7-19
3696
Tuolumne
Trl from Brightman Flat to Eagle Meadow
Comment
UC766087
Juncus covillei var. obtusatus
Robert F. Hoover
1941-6-8
5324
Lake
road from Middletown to Peterson's
Comment
UC765894
Juncus leiospermus var. leiospermus
R. F. Hoover
1937-5-19
2270
Shasta
4 mi e Redding
Comment
UC765807
Juncus occidentalis
R. F. Hoover
1941-5-24
5214
Monterey
Pacific Grove
Comment
UC766170
Juncus parryi
R. F. Hoover
1941-7-4
5400
Mono
2 mi ne (by road) Tioga Pass summit; Camp Tioga
Comment
UC765806
Juncus patens
R. F. Hoover
1941-5-24
5215
Monterey
Pacific Grove
Comment
UC765905
Juncus patens
R. F. Hoover
1938-9-18
3841
Marin
Tomales Point
Comment
UC1146343
Juncus phaeocephalus var. phaeocephalus
R. F. Hoover
1965-5-22
9398
San Luis Obispo
n of Cambria
Comment
UC1146334
Juncus xiphioides
R. F. Hoover
1947-7-8
7283
San Luis Obispo
Steiner Creek Serrano Canyon
Comment
JEPS11340
Kickxia spuria
R. F. Hoover
1938-9-9
3825
Mariposa
2 mi nw Coulterville
Comment
UC766841
Koeleria macrantha
R. F. Hoover
1941-5-24
5205
Monterey
Pacific Grove
Comment
CAS-BOT-BC273728
Koeleria pyramidata
R. F. Hoover
1964-6-12
9068
San Luis Obispo
Near Rocky Butte Fire Lookout
Comment
UC767555
Krascheninnikovia lanata
R. F. Hoover
1937-4-11
1854
Kern
s. Lost Hills (Carneras Station); Carneras Station
Comment
OBI15973
Lactuca saligna
Robert F. Hoover
1964-8-13
9222
San Luis Obispo
San Bernardo Crk
Comment
CAS-BOT-BC340633
Lactuca serriola
R. F. Hoover
1969-8-15
11543
San Luis Obispo
San Luis Obispo: Santa Rosa St. near Foothill Blvd.
Comment
OBI15971
Lactuca virosa
Robert F. Hoover
1969-8-15
11543
San Luis Obispo
San Luis Obispo: Santa rosa St. near Foothill Blvd
Comment
UC1285370
Lagophylla diabolensis
R. F. Hoover
1946-5-31
6098
San Benito
first ridge on Hernandez Road after leaving Hollister-King City road
Comment Read comments Jul 14 2017
CAS-BOT-BC341268
Lagophylla dichotoma
R. F. Hoover
1937-5-4
2040
Stanislaus
Knights Ferry
Comment
UC596300
Lagophylla minor
R. F. Hoover
1938-4-24
3226
Colusa
ridge between Venado and Leesville
Comment
OBI15960
Lagophylla ramosissima
Robert F. Hoover
1966-9-16
10036
San Luis Obispo
3 mi N of Santa Margarita
Comment
UC771646
Lagophylla ramosissima
R. F. Hoover
1946-9-15
6406
San Luis Obispo
Pozo
Comment
OBI11431
Langloisia setosissima
R. F. Hoover
1958-3-25
10959
San Bernardino
Kelso road just north of Highway 66
Comment
SEINET3071625
Larrea tridentata
Doris A. Hoover
1985-1
568
San Bernardino
Little San Bernardino Mtns/Southern Mojave Desert; Big Morongo Preserve, Barn Loop Trail behind the barn gully
762
Comment
UC768652
Lastarriaea coriacea
R. F. Hoover
1935-4-13
525
Madera
8 mi w of Chowchilla
Comment
CAS-BOT-BC339021
Lasthenia californica
R. F. Hoover
1967-4-8
10376
San Luis Obispo
Carrizo Plain near north end of Soda Lake
Comment
CAS-BOT-BC339042
Lasthenia californica
R. F. Hoover
1966-4-20
9832
San Luis Obispo
10 mi. e. of Creston on La Panza road
Comment
CAS-BOT-BC339044
Lasthenia californica
R. F. Hoover
1950-4-2
7808
San Luis Obispo
West base of Crocker Grade, Temblor Range
Comment
JEPS17168
Lasthenia chrysantha
R. F. Hoover
1936-4-11
925
Tulare
near Earlimart (at Deer Creek Bridge on highway); Deer Creek Bridge
Comment
JEPS17172
Lasthenia chrysantha
Robert F. Hoover
1940-4-12
4328
Stanislaus
Carpenter Road near San Joaquin River
Comment
JEPS17283
Lasthenia chrysantha
Robert F. Hoover
1936-4-3
876
Fresno
Kerman
Comment
JEPS17270
Lasthenia ferrisiae
R. F. Hoover
1936-3-21
831
Merced
Los Banos
Comment
JEPS10030
Lasthenia fremontii
R. F. Hoover
1937-5-18
2199
Sacramento
Rio Linda
Comment
JEPS10031
Lasthenia fremontii
R. F. Hoover
1936-4-3
863
Madera
Madera
Comment
JEPS9821
Lasthenia fremontii
R. F. Hoover
1936-4-10
917
Tulare
8 mi n of Visalia
Comment
JEPS9823
Lasthenia fremontii
R. F. Hoover
1936-4-28
1017
Tulare
5 mi e of Traver
Comment
CAS-BOT-BC352742
Lasthenia fremontii
R. F. Hoover
1952-4-10
8112
San Luis Obispo
5 miles S of Simmler, Carrizo Plain.
Comment
CAS-BOT-BC352743
Lasthenia fremontii
R. F. Hoover
1952-4-10
8112
San Luis Obispo
5 miles S of Simmler, Carrizo Plain.
Comment
CAS-BOT-BC352744
Lasthenia fremontii
R. F. Hoover
1947-3-30
6847
San Luis Obispo
1 mile S of Simmler, Carrizo Plain.
Comment
CAS-BOT-BC329155
Lasthenia glabrata subsp. coulteri
R. F. Hoover
1966-3-30
9767
San Luis Obispo
Carrizo Plain S of Soda Lake
Comment
JEPS17260
Lasthenia glabrata subsp. glabrata
R. F. Hoover
1937-4-17
1886
Alameda
Bay Farm Island
Comment
UC1285402
Lasthenia leptalea
R. F. Hoover
1947-3-29
6779
San Luis Obispo
Atascadero
Comment
CAS-BOT-BC367549
Lasthenia microglossa
R. F. Hoover
1958-3-22
8430
San Luis Obispo
Summit of Temblor Range at Kern County line, Simmler--McKittrick Road
Comment
CAS-BOT-BC370827
Lasthenia minor
R. F. Hoover
1952-4-20
8143
San Luis Obispo
North side of Soda Lake, Carrizo Plain.
Comment
UC596112
Lasthenia platycarpha
R. F. Hoover
1935-3-17
355
Stanislaus
10 mi s Modesto
Comment
UC764680
Lathyrus vestitus
R. F. Hoover
1941-4-12
4844
Contra Costa
w branch of San Pablo Creek San Pablo Creek
Comment
UC1285233
Lathyrus vestitus var. vestitus
R. F. Hoover
1947-3-1
6631
San Luis Obispo
Cambria
Comment
OBI15860
Layia
Robert F. Hoover
1956-4-26
8369
San Luis Obispo
Baywood park
Comment
JEPS13421
Layia fremontii
R. F. Hoover
1937-4-10
1757
Madera
Califa
Comment
JEPS13440
Layia gaillardioides
R. F. Hoover
1938-4-27
3255
Santa Clara
4 mi s of San Jose
Comment
OBI15873
Layia gaillardioides
Robert F. Hoover
1964-5-13
8849
San Luis Obispo
S Fork of Old Crk
Comment
CAS-BOT-BC321629
Layia glandulosa
R. F. Hoover
1947-3-29
6806
San Luis Obispo
5 mi E of Creston on La Panza road
Comment
OBI15844
Layia glandulosa
Robert F. Hoover
1952-5-25
8230
San Luis Obispo
Caliente Mt
Comment
CAS-BOT-BC321632
Layia glandulosa
R. F. Hoover
1947-4-2
6858
San Luis Obispo
Upper Arroyo Grande 6 mi above County Park
Comment
CAS-BOT-BC321633
Layia glandulosa
R. F. Hoover
1947-4-2
6858
San Luis Obispo
Upper Arroyo Grande 6 mi above County Park
Comment
CAS-BOT-BC321634
Layia glandulosa
R. F. Hoover
1947-4-20
6986
San Luis Obispo
Yaro Creek district N of Pozo
Comment
UC1285383
Layia glandulosa
R. F. Hoover
1947-3-30
6823
San Luis Obispo
5 mi s Creston
Comment
CAS-BOT-BC327205
Layia heterotricha
R. F. Hoover
1949-5-1
7646
San Luis Obispo
West side of Cottonwood Pass
Comment
CAS-BOT-BC327207
Layia heterotricha
R. F. Hoover
1949-4-12
7601
San Luis Obispo
South end of Carrizo Plain
Comment
OBI15871
Layia heterotricha
Robert F. Hoover
1950-3-31
7773
San Luis Obispo
La Panza District
Comment
UC761891
Layia heterotricha
R. F. Hoover
1940-3-23
4282
Kings
near Avenal; Tar Canyon
Comment
OBI15834
Layia jonesii
Robert F. Hoover
1947-4-13
6914
San Luis Obispo
3 mi NW of Morro Bay town on Hwy 1
Comment
CAS-BOT-BC327640
Layia munzii
R. F. Hoover
1952-4-10
8107
San Luis Obispo
1 mi S of Simmler, Carrizo Plain
Comment
JEPS13455
Layia pentachaeta subsp. albida
R. F. Hoover
1941-3-24
4817
Kings
Reef Ridge; Tar Canyon
Comment
UC1315036
Layia pentachaeta subsp. pentachaeta
R. F. Hoover
1967-4-9
10403
San Luis Obispo
Canyon in Temblor Range; Elkhorn Plain
Comment
JEPS13420
Layia platyglossa
R. F. Hoover
1937-3-25
1692
Madera
4 mi w of Chowchi;;a
Comment
UC766388
Legenere limosa
R. F. Hoover
1937-6-3
2355
Stanislaus
Valley Home
Comment
SEINET10461278
Legenere limosa
Hoover
1936-5-27
HOOVER 1225
Stanislaus
Comment
CAS-BOT-BC221514
Lepechinia calycina
R. F. Hoover
1965-6-17
9441
San Luis Obispo
Santa Lucia Range. Tassajera Peak
Comment
OBI2681
Lepechinia calycina
Robert F. Hoover
1959-5-9
8496
San Luis Obispo
6 mi W of Paso Robles on Adelaida rd
Comment
CAS-BOT-BC88729
Lepidium acutidens
R. F. Hoover
1952-4-10
8109
San Luis Obispo
1 mile south of Simmler, Carrizo Plain.
Comment
UC764780
Lepidium dictyotum
R. F. Hoover
1937-4-10
1796
Kings
20 mi s Corcoran
Comment
UC764779
Lepidium dictyotum var. acutidens
R. F. Hoover
1937-3-25
1637
Stanislaus
near Crows Landing bridge (e side of San Joaquin River)
Comment
CAS-BOT-BC89207
Lepidium draba
R. F. Hoover
1948-5-15
7528
San Luis Obispo
Morro Bay Town.
Comment
OBI15130
Lepidium draba
Robert F. Hoover
1964-7-11
9192
San Luis Obispo
Mouth of Chorro Crk
Comment
OBI15013
Lepidium flavum
Robert F. Hoover
1968-3-23
10902
Kern
3 mi E of Mojave
Comment
RSA201707
Lepidium jaredii
Robert F. Hoover
1958-3-19
s.n.
San Luis Obispo
Carrizo Plain south of Soda Lake
Comment
UC765052
Lepidium jaredii
Robert F. Hoover
1935-5-5
419
Fresno
Little Panoche Wash
Comment Read comments Dec 6 2011
UC765120
Lepidium nitidum
Robert F. Hoover
1935-2-8
218
Stanislaus
Modesto
Comment
OBI15798
Lepidospartum squamatum
Robert F. Hoover
1966-9-12
9984
San Luis Obispo
N of Santa Maria
Comment
OBI15799
Lepidospartum squamatum
Robert F. Hoover
1966-9-16
San Luis Obispo
Salinas river at mouth of Rocky cyn
Comment
UC1284955
Lepidospartum squamatum
R. F. Hoover
1946-10-20
6519
San Luis Obispo
just below confluence of Arroyo Seco; Upper Huasma River
Comment
UC596488
Leptochloa fascicularis
R. F. Hoover
1936-7-31
1590
Colusa
Maxwell
Comment
OBI11356
Leptosiphon parviflorus
R. F. Hoover
1958-4-11
8449
San Luis Obispo
Atascadero-Creston road
Comment
OBI11414
Leptosiphon parviflorus
R. L. Hoover
1968-4-20
48
Napa
Collected on Howell Mountain Road, 2.6 miles NE of State Routes 29/128, on west side of road.
Comment
OBI16692
Leptosyne bigelovii
Robert F. Hoover
1947-4-4
6894
San Luis Obispo
W side of Cottonwood Pass
Comment
OBI16694
Leptosyne bigelovii
Robert F. Hoover
1948-4-17
7467
San Luis Obispo
San Juan River S of Shandon
Comment
OBI16679
Leptosyne douglasii
Robert F. Hoover
1948-4-17
7484
San Luis Obispo
Fernandez Crk near N end of la Panza range
Comment
OBI16680
Leptosyne douglasii
Robert F. Hoover
1948-4-17
7468
San Luis Obispo
San Juan River S of Shandon
Comment
OBI15772
Lessingia glandulifera var. glandulifera
Robert F. Hoover
1966-10-16
10184
San Bernardino
1 mi SW of Phelan
Comment
OBI15774
Lessingia glandulifera var. glandulifera
Robert F. Hoover
1966-10-14
10152
Los Angeles
Pearlblossom
Comment
JEPS20640
Lessingia leptoclada
R. F. Hoover
1936-7-10
1515
Tuolumne
Brightman's Flat
Comment
CAS-BOT-BC341854
Lessingia nemaclada
R. F. Hoover
1938-9-9
3827
Mariposa
2 mi nw. of Coulterville
Comment
OBI15785
Lessingia nemaclada
Robert F. Hoover
1966-8-23
9930
Napa
Butts cy near Lake co line
Comment
OBI15787
Lessingia nemaclada
Robert F. Hoover
1966-8-23
9930
Napa
Butts cy near Lake co line
Comment
CAS-BOT-BC341985
Lessingia pectinata var. pectinata
R. F. Hoover
1964-6-6
8974
San Luis Obispo
Los Osos
Comment
CAS-BOT-BC341987
Lessingia pectinata var. pectinata
R. F. Hoover
1964-8-14
9252
San Luis Obispo
Jack Lake
Comment
UC1321256
Lessingia pectinata var. pectinata
R. F. Hoover
1966-9-21
10077
San Luis Obispo
1 mi s Edna (on Price Canyon road to Pismo Beach)
Comment
OBI15758
Lessingia pectinata var. tenuipes
Robert F. Hoover
1966-10-7
10121
San Luis Obispo
Cuyama river at mouth of Chimney cyn
Comment
OBI15759
Lessingia pectinata var. tenuipes
Robert F. Hoover
1969-10-5
11635
Santa Barbara
Cuyama Cyn just below Buckhorn Cyn
Comment
RSA0008537
Lessingia pectinata var. tenuipes
Robert F. Hoover
1966-9-9
9974
Monterey
River road just north of Limekiln Creek, west of Gonzales
Comment
UC1285350
Lessingia pectinata var. tenuipes
R. F. Hoover
1946-8-18
6315
San Luis Obispo
near n base of La Panza Range; Fernandez Creek
Comment
UC766104
Lewisia nevadensis
Robert F. Hoover
1936-6-20
1352
Tuolumne
Eagle Meadow
Comment
UC766734
Leymus condensatus
R. F. Hoover
1941-5-25
5256
Monterey
near mouth of Little Sur River
Comment
UC1257326
Leymus triticoides
R. F. Hoover
1969-7-18
11483
San Luis Obispo
Price Canyon
Comment
CAS-BOT-BC451662
Lilaea scilloides
R. F. Hoover
1947-4-18
6939
San Luis Obispo
Cambria
Comment
CAS-BOT-BC451663
Lilaea scilloides
R. F. Hoover
1947-4-18
6964
San Luis Obispo
Near Piedras Blancas Point
Comment
CAS-BOT-BC130786
Lilium pardalinum
R. F. Hoover
1950-6-21
8028
San Luis Obispo
San Simeon Creek just below forks
Comment
CAS-BOT-BC130789
Lilium pardalinum
R. F. Hoover
1950-6-21
8028
San Luis Obispo
San Simeon Creek just below forks
Comment
OBI21394
Lilium pardalinum
Robert F. Hoover
1950-6-21
8028
San Luis Obispo
San Simeon Crk just below forks
Comment
OBI78271
Limnanthes alba
Robert F. Hoover
1937-5-19
2294
Tehama
Coyote Crk bridge, S of Red Bluff
Comment
OBI12564
Limnanthes douglasii subsp. rosea
Robert F. Hoover
1937-3-25
1694
Merced
3 mi SE of Merced
Comment
JEPS58178
Linanthus ambiguus
R. F. Hoover
1940-4-7
4325
Stanislaus
Upper Crow Creek canyon
Comment
SEINET3087445
Linanthus aureus
D. Hoover
1986-4-6
751
San Bernardino
Dry, sandy wash of the main canyon near the north fence and the Desert Wash Trail.
823
Comment
UC964012
Linanthus bicolor
R. F. Hoover
1935-3-28
395
Stanislaus
near San Joaquin River (at Crow's Landing bridge)
Comment
OBI11400
Linanthus bigelovii var. jonesii
R. F. Hoover
1967-4-9
10409
San Luis Obispo
Canyon in Temblor Range near north end of Elkhart Plain
Comment
OBI11389
Linanthus californicus subsp. tomentosus
Robert F. Hoover
1966-5-15
9853
San Luis Obispo
Jack Lake
Comment
OBI11397
Linanthus demissus
Robert F. Hoover
1968-3-25
10995
San Bernardino
Sandy wash near Sacramento Spring
Comment
UC964014
Linanthus dichotomus
R. F. Hoover
1940-3-23
4249
Fresno
n end Kettleman Hills
Comment Read comments Jun 30 2019
OBI11395
Linanthus dichotomus subsp. dichotomus
R. F. Hoover
1952-4-20
8138
San Luis Obispo
Low hills near north end of Elkhorn Plain, west base of Temblor Range, in sandy soil
Comment
OBI11396
Linanthus dichotomus subsp. dichotomus
R. F. Hoover
1968-3-24
10930
San Bernardino
South side of Pickhandle Pass, north of Barstow
Comment
JEPS58424
Linanthus filipes
R. F. Hoover
1936-4-13
965
Merced
5 mi n Snelling
Comment
UC963997
Linanthus liniflorus
R. F. Hoover
1939-5-3
4074
Monterey
Jolon
Comment
OBI11357
Linanthus parryae
Rober F. Hoover
1952-5-11
8188
San Luis Obispo
Navajo Creek district, east side of La Panza Range.
Comment
JEPS58545
Linanthus pygmaeus
R. F. Hoover
1938-4-23
3191
Yolo
grade on Rumsey to Arbuckle road
Comment
UC1023822
Linanthus pygmaeus
R. F. Hoover
1947-4-26
7079
San Luis Obispo
Parkhill District
Comment
JEPS4572
Lindernia dubia var. dubia
R. F. Hoover
1934-9-15
26
Stanislaus
Modesto
Comment
UC764938
Lithophragma
Robert F. Hoover
1935-3-15
341
Stanislaus
four mi s Oakdale
Comment
UC1296133
Lithophragma affine
R. F. Hoover
1947-3-26
6738
San Luis Obispo
just s Price Canyon; just s of Price Canyon
Comment
OBI11428
Loeseliastrum schottii
Robert F. Hoover
1967-4-16
10483
San Luis Obispo
Cyn in Temblor range near N end of Elkhorn Plain
Comment
OBI11429
Loeseliastrum schottii
R. F. Hoover
1969-4-14
11230
Riverside
Palm Springs, just S of South City limit
Comment
OBI16465
Logfia filaginoides
Robert F. Hoover
1948-4-29
7493
San Luis Obispo
Price cyn
Comment
CAS-BOT-BC269069
Lolium perenne
R. F. Hoover
1964-6-6
8943
San Luis Obispo
Ridge northwest of Cuesta Pass
Comment
UC765822
Lomatium caruifolium var. caruifolium
R. F. Hoover
1937-4-24
1984
Tuolumne
1 mi W of Chinese Camp
Comment
OBI54953
Lomatium caruifolium var. denticulatum
Robert F. Hoover
1936-4-29
1038
Stanislaus
Warnerville
Comment
CAS-BOT-BC211126
Lomatium congdonii
R. F. Hoover
1937-6-15
2448
Tuolumne
3 mi. s. of Chinese Camp
Comment
UC763121
Lomatium dasycarpum subsp. tomentosum
Robert F. Hoover
1936-5-21
1183
Tehama
3 mi S of Cottonwood
Comment
UC763138
Lomatium dasycarpum subsp. tomentosum
R. F. Hoover
1937-5-4
2035
Stanislaus
8 mi E of Oakdale
Comment
UC764754
Lomatium marginatum var. marginatum
R. F. Hoover
1937-5-16
2175
Mariposa
3 mi. n.w. Coulterville
Comment
OBI8926
Lomatium mohavense
Robert F. Hoover
1968-3-24
10949
San Bernardino
6 mi N of Barstow
Comment
CAS-BOT-BC240576
Lonicera hispidula
R. F. Hoover
1964-5-14
8872
San Luis Obispo
Head of Coon Creek, San Luis Range
Comment
OBI75695
Lotus biolettii var. spiralis
Robert F. Hoover
1946-6-28
6198
San Luis Obispo
Oak Park district
Comment
UC764515
Lotus crassifolius var. crassifolius
R. F. Hoover
1940-4-20
4363
Fresno
Head of Sand Creek
Comment
UC764467
Lotus formosissimus
R. F. Hoover
1941-5-12
5048
Marin
near Olema
Comment
RSA43225
Lotus heermannii
Robert F. Hoover
1946-8-4
6272
San Luis Obispo
North end of Morro Bay
Comment
UC764517
Lotus heermannii
R. F. Hoover
1938-8-7
3728
Monterey
between Big Sur and Little Sur River
Comment
UC1285194
Lotus junceus var. biolettii
R. F. Hoover
1948-6-29
7548
Santa Barbara
n side Orcutt Hills; Purisima Hills
Comment
SEINET3562894
Lotus salsuginosus
Robert F. Hoover
1940-4-13
4339
Stanislaus
North of mouth of Del Puerto Canyon
Comment
UC764516
Lotus salsuginosus
R. F. Hoover
1940-4-13
4339
Stanislaus
hill n mouth of Del Puerto
Comment
OBI12972
Lotus scoparius var. perplexans
Robert F. Hoover
1965-7-11
9486
Monterey
Hill just N of Malpaso Crk
Comment
SEINET10484525
Lupinus agardhianus
Robert F. Hoover
1966-3-30
Hoover 9745
San Luis Obispo
Windmill creek, la panza district
Comment
OBI19267
Lupinus albifrons
Robert F. Hoover
1964-3-14
8648
San Luis Obispo
head of Lopez Cyn
Comment
OBI19266
Lupinus albifrons
Robert F. Hoover
1964-3-8
8644
San Luis Obispo
N of San Carpojo crk
Comment
CAS-BOT-BC196421
Lupinus arboreus
R. F. Hoover
1964-6-11
9044
San Luis Obispo
Near south end of Morro Bay
Comment
OBI19306
Lupinus arboreus
Robert F. Hoover
1946-8-25
6340
San Luis Obispo
Oceano Blvd
Comment
RSA216727
Lupinus arboreus var. arboreus
Robert F. Hoover
1964-6-11
9044
San Luis Obispo
Near south end of Morro Bay.
Comment
UC1392893
Lupinus benthamii
R. F. Hoover
1969-4-24
11270
Merced
hill n San Luis Dam; hill n of San Luis Dam
Comment
UC764849
Lupinus benthamii
R. F. Hoover
1938-4-15
3106
San Luis Obispo
Cuyama Valley
Comment
UC764135
Lupinus benthamii
R. F. Hoover
1938-5-16
3437
Mariposa
hill betw Mariposa Creek and Humbug Creek; betw. Mariposa Creek and Humbug Creek
Comment
UC764136
Lupinus bicolor
R. F. Hoover
1938-4-24
3219
Colusa
w Arbuckle (Sand Creek foothills); Sand Creek foothills
Comment
UC764853
Lupinus bicolor
R. F. Hoover
1937-4-23
1919
San Joaquin
7 mi e Stockton; e of Stockton
Comment
OBI12859
Lupinus bicolor
Robert F. Hoover
1966-4-20
9812
San Luis Obispo
2 mi S of Atascadero, on old hwy 101
Comment
OBI12943
Lupinus bicolor
Robert F. Hoover
1966-5-17
9873
San Luis Obispo
Hills bordering San Luis Valley on S, W of Edna (Guidetti Ranch)
Comment
OBI78544
Lupinus bicolor
Robert F. Hoover
1947-3-19
6692
San Luis Obispo
Head of Carpenter Cyn, N of Arroyo Grande, at top of burned over sandstone hill
Comment
UC764707
Lupinus citrinus var. deflexus
R. F. Hoover
1938-5-16
3441
Mariposa
btw Mariposa Creek and Humbug Creek; btw Mariposa Creek and Humbug Creek
Comment
UC1314931
Lupinus concinnus
R. F. Hoover
1967-5-5
10522
San Luis Obispo
ridge nw Cuesta Pass; nw of Cuesta Pass
Comment
UC764137
Lupinus concinnus
R. F. Hoover
1938-4-2
2966
Monterey
Hastings Ranch near Jamesburg; near Jamesburg
Comment
OBI12899
Lupinus formosus
Robert F. Hoover
1959-5-9
8498
San Luis Obispo
4 mi W of Paso Robles on Adelaida rd
Comment
OBI78129
Lupinus hirsutissimus
Robert F. Hoover
1967-3-15
10248
San Luis Obispo
Oak Park district (N of Arroyo Grande)
Comment
OBI12872
Lupinus latifolius
Robert F. Hoover
1967-2-18
10218
San Luis Obispo
Diablo Cyn, San Luis Range
Comment
NY747197
Lupinus lepidus var. confertus
R. F. Hoover
1940-10-1
4653
Lassen
Janesville
Comment
OBI19291
Lupinus ludovicianus
Robert F. Hoover
1964-5-11
8800
San Luis Obispo
Upper Arroyo Grande
Comment
UC1392782
Lupinus ludovicianus
R. F. Hoover
1969-5-3
11301
San Luis Obispo
upper Arroyo Grande
Comment
CAS-BOT-BC207228
Lupinus ludovicianus
R. F. Hoover
1966-4-27
9847
San Luis Obispo
4 miles north of Pozo
Comment
OBI12912
Lupinus microcarpus var. densiflorus
Robert F. Hoover
1966-5-11
9849
San Luis Obispo
Between Santa Margarita and Atascadero, crossing of Santa Barbara Rd nd hwy 101
Comment
OBI12886
Lupinus microcarpus var. horizontalis
Robert F. Hoover
1952-4-19
8123
San Luis Obispo
N side of lower Cuyama Valley
Comment
UC764065
Lupinus microcarpus var. horizontalis
R. F. Hoover
1937-4-11
1865
Kings
Kettleman Plain 8 mi se Avenal; Kettleman Plain
Comment
UC764066
Lupinus microcarpus var. horizontalis
R. F. Hoover
1938-4-16
3127
Kern
2 mi n Rosamond; n of Rosamond
Comment
OBI12885
Lupinus microcarpus var. horizontalis
Robert F. Hoover
1950-4-2
7806
San Luis Obispo
W base of Crocker Grade, Temblor Range
Comment
OBI12887
Lupinus microcarpus var. horizontalis
Robert F. Hoover
1966-4-2
9786
San Luis Obispo
Cyn behind old "sheep camp" On E side of Soda Lake, W side of Temblor range
Comment
OBI12831
Lupinus microcarpus var. microcarpus
Robert F. Hoover
1949-5-1
7636
San Luis Obispo
Summit of Cottonwood Pass
Comment
OBI12858
Lupinus microcarpus var. microcarpus
Robert F. Hoover
1966-4-20
9833
San Luis Obispo
10 mi E of Creston on La Panza rd
Comment
OBI12828
Lupinus microcarpus var. microcarpus
Robert F. Hoover
1953-5-16
8306
San Luis Obispo
Summit of Temblor Range NE of Simmler
Comment
OBI12829
Lupinus microcarpus var. microcarpus
Robert F. Hoover
1952-5-6
8150
San Luis Obispo
E of Atascadero on Creston rd, just E of pump station
Comment
OBI12833
Lupinus microcarpus var. microcarpus
Robert F. Hoover
1952-5-6
8150
San Luis Obispo
E of Atascadero on Creston rd, just E of pump station
Comment
UC1285115
Lupinus nanus
R. F. Hoover
1964-4-8
8680
Marin
Bolinas Ridge
Comment
UC762921
Lupinus nanus
R. F. Hoover
1936-5-21
1189
Shasta
3 mi n Redding; n of Redding
Comment
UC764618
Lupinus nanus
R. F. Hoover
1939-4-1
3960
Stanislaus
Knight's Ferry
Comment
UC764851
Lupinus nanus
R. F. Hoover
1937-4-23
1949
Tuolumne
2 mi n Keystone; n of Keystone
Comment
OBI3242
Lupinus nanus
R. L. Hoover
1968-4-20
43
Napa
On Howell Mt Rd, 2.6 mi NE of State Rte 29/128, on W side of rd just below curve
Comment
CAS-BOT-BC202124
Lupinus nipomensis
R. F. Hoover
1967-5-6
10547
San Luis Obispo
At Jack Lake
Comment
UC764619
Lupinus pachylobus
R. F. Hoover
1939-4-10
3979
Fresno
Piedra
Comment
UC764752
Lupinus sericatus
R. F. Hoover
1941-4-26
4941
Napa
near summit on highway e side Mt. St. Helena; e side of Mt. St. Helena
Comment
OBI12843
Lupinus sparsiflorus
Robert F. Hoover
1949-4-12
7596
Santa Barbara
Cuyama Cyn 12 mi below Gypsum Cyn hwy bridge, S side of river
Comment
SBBG17708
Lupinus sparsiflorus
R. F. Hoover
1951-4-15
8046
San Luis Obispo
Stoney Crk
Comment
CAS-BOT-BC202234
Lupinus spectabilis
Robert F. Hoover
1937-4-24
1960
Tuolumne
Jacksonville
Comment
CAS-BOT-BC8281
Lupinus spectabilis
Robert Francis Hoover
1938-5-9
3397
Mariposa
Grade from Coulterville to Bagby
Comment
UC596532
Lupinus stiversii
R. F. Hoover
1938-5-16
3438
Mariposa
hill betw. Mariposa Creek and Humbug Creek; btw Mariposa Creek and Humbug Creek
Comment
JEPS65481
Lupinus succulentus
R. F. Hoover
1935-3-1
237
San Joaquin
Vernalis
Comment
CAS-BOT-BC436715
Luzula comosa var. laxa
Mrs. Herbert Hoover
1936-7-28
s.n.
Tulare
Foot of Colby Pass on Kern-Kaweah River
Comment
CAS-BOT-BC231441
Lycium andersonii
R. F. Hoover
1950-4-14
7834
San Luis Obispo
North end of Elkhorn Plain
Comment
OBI10729
Lysimachia maritima
Robert F. Hoover
1949-5-24
7726
San Luis Obispo
Oceano Beach
Comment
OBI12414
Lythrum hyssopifolia
Robert F. Hoover
1968-5-28
11123
Shasta
Clough Crk at Old Alturas rd
Comment
CAS-BOT-BC343885
Madia elegans
R. F. Hoover
1965-9-7
9533
San Luis Obispo
Santa Lucia Range. Santa Rita Creek west of Templeton
Comment
CAS-BOT-BC343890
Madia elegans
R. F. Hoover
1946-9-15
6397
San Luis Obispo
Rinconada district, betw. Santa Margarita and Pozo
Comment
JEPS7393
Madia elegans
R. F. Hoover
1937-6-25
2521
Tuolumne
below Long Barn; Sawmill Meadow
Comment
OBI15728
Madia elegans
Robert F. Hoover
1963-7-24
8577
Tuolumne
Miwuk Village
Comment
OBI15729
Madia elegans
Robert F. Hoover
1952-5-25
8223
San Luis Obispo
Caliente Mt; W of peak
Comment
CAS-BOT-BC343887
Madia elegans
R. F. Hoover
1949-5-17
7706
San Luis Obispo
Upper Arroyo Grande at County Park
Comment
OBI15733
Madia elegans
Robert F. Hoover
1967-9-6
10850
Placer
Kings Beach, Lake Tahoe
Comment
CAS-BOT-BC324492
Madia radiata
Robert F. Hoover
1946-3-30
6061
Fresno
Near Waltham School, Waltham Creek
Comment
CAS-BOT-BC324493
Madia radiata
Robert F. Hoover
1937-4-11
1878
Fresno
Wash near pumping plant 20 mi. s. of Mendota
Comment
CAS-BOT-BC324494
Madia radiata
Robert F. Hoover
1937-4-11
1878
Fresno
Wash near pumping plant 20 mi. s. of Mendota
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
JEPS7391
Madia radiata
R. F. Hoover
1940-3-23
4278
Kings
w of Kings; Tar Canyon
Comment
OBI15714
Madia radiata
Robert F. Hoover
1950-3-31
7772
San Luis Obispo
La Panza district
Comment Read comments Aug 21 2017
CAS-BOT-BC345033
Madia sativa
R. F. Hoover
1969-8-8
11521
Monterey
2 mi. s. of Pajaro, at junction of Hall Road and Elkhorn Road
Comment
OBI15700
Madia sativa
Robert F. Hoover
1965-9-7
9534
San Luis Obispo
Santa Lucia range. Santa rita crk W of Templeton
Comment
UC1392765
Madia sativa
R. F. Hoover
1969-8-1
11508
San Luis Obispo
Cambria
Comment
CAS-BOT-BC345032
Madia sativa
R. F. Hoover
1969-9-2
11571
Monterey
2 mi. e. of Castroville
Comment
CAS-BOT-BC345086
Madia sativa
R. F. Hoover
1966-9-12
9979
San Luis Obispo
Site of Bellevue-Santa Fe School, just north of Hidden Valley Hot Springs
Comment
CAS-BOT-BC345089
Madia sativa
R. F. Hoover
1966-9-13
9998
San Luis Obispo
2 mi. n. of Arroyo de la Cruz on State Highway 1
Comment
OBI15741
Madia sativa
Robert F. Hoover
1969-7-18
11493
San Luis Obispo
Oak Park district, Arroyo Grande
Comment
POM311158
Madia yosemitana
Robert F. Hoover
1937-6-24
2510
Tuolumne
Broghtman Flat
Comment
CAS-BOT-BC514536
Maianthemum stellatum
R. F. Hoover
1947-3-16
6680
San Luis Obispo
San Carpoforo Creek near ocean
Comment
OBI12370
Malacothamnus aboriginum
Robert F. Hoover
1959-6-22
8510
San Benito
3 mi W of Bitterwater on road to King city
Comment
OBI12363
Malacothamnus fasciculatus var. laxiflorus
Robert F. Hoover
1968-6-10
11172
Orange
Laguna Beach
Comment
CAS-BOT-BC204157
Malacothamnus jonesii
R. F. Hoover
1947-6-16
6177
San Luis Obispo
Near summit of La Panza Range on road
Comment
OBI12356
Malacothamnus jonesii
Robert F. Hoover
1959-5-9
8500
San Luis Obispo
4 mi W of Paso Robles on Adelaida rd
Comment
OBI12357
Malacothamnus jonesii
Robert F. Hoover
1959-5-9
8500
San Luis Obispo
4 mi W of Paso Robles on Adelaida rd
Comment
UC1285302
Malacothamnus jonesii
R. F. Hoover
1950-5-28
7936
San Luis Obispo
n s lower Cuyama Valley; Redrock Canyon
Comment
CAS-BOT-BC216166
Malacothamnus palmeri
R. F. Hoover
1955-6-14
8356
San Luis Obispo
Forks of San Simeon Creek, among disintegrating serpentine rock
Comment
CAS-BOT-BC216169
Malacothamnus palmeri
R. F. Hoover
1946-6-29
6200
San Luis Obispo
Near Cerro Alto Public Camp, betw. Morro Bay and Atascadero, on steep rocky slope
Comment
UC1224757
Malacothrix californica
R. F. Hoover
1964-6-6
8961
San Luis Obispo
Los Osos
Comment
UC1276303
Malacothrix californica
R. F. Hoover
1950-5-5
7868
San Luis Obispo
s end Morro Bay
Comment
CAS-BOT-BC347328
Malacothrix coulteri
R. F. Hoover
1967-3-27
10295
San Luis Obispo
Chalk Mt., north side of Cuyama Valley
Comment
JEPS36613
Malacothrix coulteri
R. F. Hoover
1936-4-2
852
Stanislaus
Del Puerto Canyon
Comment
OBI15674
Malacothrix coulteri
Robert F. Hoover
1949-4-21
7611
San Luis Obispo
Just E of San Juan River on rd from La Panza to Simmler
Comment
UC1276321
Malacothrix coulteri
R. F. Hoover
1952-4-20
8137
San Luis Obispo
low hills near n end Elkhorn Plain; w base Temblor Range
Comment
CAS-BOT-BC347546
Malacothrix floccifera
R. F. Hoover
1947-4-4
6893
San Luis Obispo
West side of Cottonwood Pass
Comment
CAS-BOT-BC347732
Malacothrix glabrata
R. F. Hoover
1968-3-24
10944
San Bernardino
6 mi. n. of Barstow
Comment
OBI15643
Malacothrix saxatilis var. commutata
Robert F. Hoover
1969-7-12
11453
San Luis Obispo
Santa Lucia Range. 4 mi W of Paso robles on Peachy Cyn rd
Comment
OBI15641
Malacothrix saxatilis var. commutata
Robert F. Hoover
1947-8-17
7380
San Luis Obispo
6 mi W of Templeton
Comment
SFV4340
Malosma laurina
D. H. Hoover
1967-8-5
San Diego
About 4 miles southeast of Fallbrook, near J. R. Hoover Ranch.
61
Comment
CAS-BOT-BC206681
Malva assurgentiflora
R. F. Hoover
1946-12-15
6572
San Luis Obispo
North end of Morrow Bay
Comment
JEPS35251
Marah fabacea
R. F. Hoover
1947-2-5
6605
San Luis Obispo
1 mi n Hazard Canyon
Comment
OBI14828
Marah fabacea
Robert F. Hoover
1947-3-1
6641
San Luis Obispo
Short distance S of Cayucos (Whale Rock)
Comment
OBI14829
Marah fabacea
Robert F. Hoover
1965-1-31
9330
San Luis Obispo
S of San Luis Obispo on Johnson Ave extension near jctn with Arroyo Grande rd
Comment
CAS-BOT-BC8164
Mariposa argillosa
Robert Francis Hoover
1938-5-28
3488
San Benito
Lone Tree Road, lower canyon of Arroyo Dos Picachos
Comment
UC770069
Marsilea vestita subsp. vestita
R. F. Hoover
1935-3-1
295
San Joaquin
5 mi sw Ripon
Comment
OBI15633
Matricaria occidentalis
Robert F. Hoover
1966-4-2
9796
San Luis Obispo
E side of Soda Lake, Carrizo Plain
Comment
UC765978
Meconella californica
R. F. Hoover
1939-4-10
3990
Fresno
Watts Valley
Comment
OBI11732
Meconella denticulata
Robert F. Hoover
1947-4-20
7062
San Luis Obispo
Sycamore Cr, W slope of La Panza Range
Comment
OBI12800
Medicago lupulina
Robert F. Hoover
1953-5-28
8323
San Luis Obispo
Lopez Cyn
Comment
RSA201666
Medicago polymorpha
Robert F. Hoover
1953-5-28
8324
San Luis Obispo
Lopez Canyon
Comment
OBI21975
Melica aristata
Robert F. Hoover
1963-7-24
8575
Tuolumne
Miwuk village
Comment
UC766974
Melica aristata
R. F. Hoover
1936-6-18
1333
Tuolumne
n side Pigeon Flat
Comment
OBI21982
Melica californica
Robert F. Hoover
1948-5-22
7536
San Luis Obispo
Klau district
Comment
UC766972
Melica fugax
R. F. Hoover
1941-7-5
5456 a
Mono
about 1.5 mi e Sonora Pass summit; Sonora Pass
Comment
OBI21990
Melica harfordii
Robert F. Hoover
1950-6-21
8008
San Luis Obispo
Between Rocky Butte and Pine Mt, Santa Lucia Mts
Comment
UC766859
Melica harfordii
R. F. Hoover
1941-5-11
5018
Lake
foot of grade w Middletown (on road to Kelseyville)
Comment
CAS-BOT-BC264260
Melica torreyana
R. F. Hoover
1966-6-6
8940
San Luis Obispo
Ridge northwest of Cuesta Pass, just below TV tower
Comment
UC1257332
Melica torreyana
R. F. Hoover
1969-6-23
11391
San Luis Obispo
ridge nw Cuesta Pass
Comment
UC766858
Melica torreyana
R. F. Hoover
1941-6-8
5328
Lake
road from Middletown to Peterson's
Comment
OBI22009
Melica torreyana
Robert F. Hoover
1964-5-11
8778
San Luis Obispo
Road to Hi Mtn from Pozo-Arroyo Grande summit
Comment
OBI13662
Mentha canadensis
Robert F. Hoover
1966-10-1
10099
San Luis Obispo
Upper Arroyo grande at confluence of Phoenix Crk
Comment
RSA216772
Mentha canadensis
Robert F. Hoover
1969-8-25
11557
San Luis Obispo
Laguna de San Luis Obispo.
Comment
UC771635
Mentha spicata
R. F. Hoover
1946-9-14
6378
San Luis Obispo
near Santa Margarita (Trout Creek); Trout Creek
Comment
OBI2697
Mentha spicata
Robert F. Hoover
1966-9-16
10023
San Luis Obispo
Santa Margarita Crk 2 mi N of Santa Margarita
Comment
OBI12487
Mentzelia affinis
Robert F. Hoover
1947-3-30
6843
San Luis Obispo
W edge of Carrizo Plain W of Simmler
Comment
OBI28637
Mentzelia affinis
Robert F. Hoover
1965-3-28
7130
San Luis Obispo
Up San Juan Crk 4 mi from bridge on rd E of Pozo
Comment
UC767101
Mentzelia laevicaulis var. laevicaulis
R. F. Hoover
1938-9-3
3795
Lake
Middletown
Comment
UC1392788
Mentzelia lindleyi
R. F. Hoover
1969-5-24
11337
Stanislaus
Upper Del Puerto Canyon
Comment
UC765568
Mentzelia montana
R. F. Hoover
1941-7-5
5452
Mono
below Fales Hot Springs; Hot Creek
Comment
OBI12499
Mentzelia pectinata
Robert F. Hoover
1967-4-15
10468
San Luis Obispo
Elkhorn Hills
Comment
OBI12503
Mentzelia pectinata
Robert F. Hoover
1967-4-9
10402
San Luis Obispo
Cyn In Temblor Range near N end of Elkhorn Plain
Comment
OBI12458
Mentzelia pectinata
Robert F. Hoover
1947-3-30
6834
San Luis Obispo
Fernandez Crk on La Panza-Shandon Rd
Comment
OBI12501
Mentzelia pectinata
Robert F. Hoover
1950-4-2
7804
San Luis Obispo
Crocker Grade, Temblor Range
Comment
UC1392720
Mentzelia tricuspis
R. F. Hoover
1968-3-25
10982
San Bernardino
near Sacramento Spring (South-facing rocky slope)
Comment
OBI12474
Mentzelia veatchiana
Robert F. Hoover
1952-5-25
8232
San Luis Obispo
Caliente mt. Along summit ridge
Comment
UC1224769
Mentzelia veatchiana
R. F. Hoover
1952-5-6
8153
San Luis Obispo
6 mi e Creston (on La Panza road)
Comment
UC1224773
Mentzelia veatchiana
R. F. Hoover
1952-5-25
8232
San Luis Obispo
Caliente Mt.
Comment
OBI9749
Micranthes bryophora
Robert F. Hoover
1969-3-28
11205
San Benito
1 mi S of Pinnacles turnoff on Hollister-King City rd
Comment
JEPS40607
Micropus californicus var. californicus
R. F. Hoover
1936-4-28
981
Fresno
Pinedale
Comment
OBI15628
Micropus californicus var. californicus
Robert F. Hoover
1947-3-23
6725
San Luis Obispo
La Panza District
Comment
OBI15631
Micropus californicus var. subvestitus
Robert F. Hoover
1964-5-15
8899
San Luis Obispo
Ridge S of San Carpoforo Crk
Comment
OBI15614
Microseris douglasii
Robert F. Hoover
1947-3-25
6731
San Luis Obispo
Mt Bishop near San Luis Obispo
Comment
CAS-BOT-BC348998
Microseris douglasii subsp. douglasii
R. F. Hoover
1947-3-30
6854
San Luis Obispo
1 mi. s. of Simmler, Carrizo Plain
Comment
JEPS35604
Microseris douglasii subsp. tenella
R. F. Hoover
1937-5-6
2084
San Joaquin
5 mi se Stockton
Comment
JEPS35714
Microseris nutans
R. F. Hoover
1936-7-3
1475
Tuolumne
Eagle Meadow
Comment
CAS-BOT-BC322717
Microseris paludosa
R. F. Hoover
1950-5-30
7952
San Luis Obispo
Just south of the mouth of Arroyo de la Cruz
Comment
UC768679
Microseris paludosa
R. F. Hoover
1941-5-25
5241
Monterey
just outside Pacific Grove (near road to Carmel)
Comment
UC768680
Microseris sylvatica
R. F. Hoover
1937-4-23
1943
Stanislaus
between Eugene and Knights Ferry
Comment
OBI9456
Mimetanthe pilosa
Robert F. Hoover
1969-7-3
11412
San Luis Obispo
Salinas River bed at Paso Robles
Comment
JEPS15281
Mimulus
R. F. Hoover
1936-4-28
1001
Fresno
Orange Cove
Comment
OBI9503
Mimulus aurantiacus var. aurantiacus
Mrs. R. F. Hoover
1962-1-13
10
San Luis Obispo
Arroyo Grande
Comment
UC765545
Mimulus aurantiacus var. aurantiacus
R. F. Hoover
1937-5-4
2043
Stanislaus
Knight's Ferry
Comment
UC766310
Mimulus aurantiacus var. grandiflorus
Robert F. Hoover
1941-5-25
5266
Monterey
Mill Creek Santa Lucia Mountains
Comment
JEPS35075
Mimulus aurantiacus var. grandiflorus
R. F. Hoover
1948-5-22
7538
San Luis Obispo
summit on road from Paso Robles to Adelaida
Comment
JEPS35337
Mimulus aurantiacus var. grandiflorus
R. F. Hoover
1964-6-12
9066
San Luis Obispo
near Rocky Butte Fire Lookout
Comment
OBI9543
Mimulus aurantiacus var. grandiflorus
Robert F. Hoover
1959-5-9
8494
San Luis Obispo
Six mi W of Paso Robles on Adelaida rd
Comment
OBI9544
Mimulus aurantiacus var. grandiflorus
Robert F. Hoover
1959-5-9
8494
San Luis Obispo
6 mi W of Paso Robles on Adelaida rd
Comment
UC596185
Mimulus bicolor
R. F. Hoover
1937-5-29
2348
Calaveras
Avery Station
Comment
UC596186
Mimulus bicolor
R. F. Hoover
1937-6-22
2478
Tuolumne
Hull's Meadow
Comment
UC596328
Mimulus bicolor
R. F. Hoover
1937-6-23
2502
Tuolumne
ridge above Long Barn
Comment
RSA324424
Mimulus layneae
Robert F. Hoover
1938-7-13
3647
Tuolumne
Brightman Flat.
Comment
JEPS79794
Mimulus nudatus
R. F. Hoover
1941-5-2
4982
Colusa
just e Lake County line (on Williams-Clear Lake highway, about 6 mi s of Wilbur Springs); Williams-Clear Lake highway
Comment
JEPS10603
Mimulus pilosus
R. F. Hoover
1938-10-2
3878
Stanislaus
Modesto
Comment
UC767411
Mimulus tricolor
R. F. Hoover
1935-6-1
631
Stanislaus
about 13 mi e Waterford; Gobin Ranch
Comment
UC767413
Mimulus tricolor
R. F. Hoover
1936-4-10
898
Madera
Berenda
Comment
OBI12188
Mirabilis laevis var. crassifolia
Robert F. Hoover
1967-4-15
10458
San Luis Obispo
Cyn just W of "Cottonwood Cyn bridge" lower Cuyama Valley
Comment
UC765753
Mirabilis laevis var. crassifolia
R. F. Hoover
1940-4-6
4309
Merced
Mine Canyon, near Little Panoche Valley
Comment
OBI9410
Mohavea confertiflora
Robert F. Hoover
1968-3-25
10983
San Bernardino
Sacramento Spring NW of Needles
Comment
CAS-BOT-BC219863
Monardella breweri subsp. breweri
R. F. Hoover
1952-5-25
8229
San Luis Obispo
Caliente Mt.
Comment
JEPS63312
Monardella candicans
R. F. Hoover
1936-4-29
1036
Stanislaus
8 mi e Oakdale
Comment
RSA201528
Monardella crispa
Robert F. Hoover
1964-8-14
9253
San Luis Obispo
Jack Lake
Comment
CAS-BOT-BC221697
Monardella douglasii
Robert F. Hoover
1938-6-6
3534
Stanislaus
Del Puerto Canyon (upper part)
Comment
UC763166
Monardella douglasii
R. F. Hoover
1938-6-6
3534
Stanislaus
upper part Del Puerto Canyon
Comment
JEPS63346
Monardella leucocephala
R. F. Hoover
1936-5-27
1232
Stanislaus
9 mi e Waterford
Comment
SEINET3996297
Monardella leucocephala
Robert F. Hoover
1937-7-3
2594
Stanislaus
12 miles east of Waterford
Comment
UC1995364
Monardella leucocephala
R. F. Hoover
1936-5-27
1232
Stanislaus
9 mi e Waterford
Comment
UC761953
Monardella leucocephala
R. F. Hoover
1935-7-27
693
Stanislaus
12 mi e Waterford (near oil well)
Comment
UC761792
Monardella odoratissima subsp. glauca
R. F. Hoover
1941-7-5
5453
Mono
Canyon of West Walker River, below Pickle Meadow.
Comment
UC761951
Monardella odoratissima subsp. pallida
R. F. Hoover
1936-7-14
1552
Tuolumne
Eagle Meadow
Comment
CAS-BOT-BC220191
Monardella sinuata subsp. sinuata
R. F. Hoover
1947-7-16
7304
San Luis Obispo
Price Canyon
Comment
RSA43013
Monardella undulata
Robert F. Hoover
1947-7-16
7304
San Luis Obispo
Price Canyon
Comment
SEINET4173654
Monardella undulata
R. F. Hoover
1946-9-17
6421
San Luis Obispo
Oceano
Comment
CAS-BOT-BC220286
Monardella undulata subsp. crispa
R. F. Hoover
1947-8-8
7354
San Luis Obispo
Oceano
Comment
CAS-BOT-BC220289
Monardella undulata subsp. crispa
R. F. Hoover
1967-9-15
10868
San Luis Obispo
South of Oso Flaco Lake
500
Comment
UC1285026
Monardella undulata subsp. crispa
R. F. Hoover
1964-8-14
9253
San Luis Obispo
Jack Lake
Comment
UC771735
Monardella undulata subsp. crispa
R. F. Hoover
1946-10-20
6527
San Luis Obispo
Near Callender railroad siding
Comment
CAS-BOT-BC214155
Monardella villosa subsp. obispoensis
R. F. Hoover
1946-8-18
6304
San Luis Obispo
5 mi. w. of Pozo
Comment
CAS-BOT-BC214157
Monardella villosa subsp. obispoensis
R. F. Hoover
1964-7-12
9195
San Luis Obispo
From hill above site of one-time Washington School, north of Arroyo de la Cruz
Comment
UC761965
Monardella villosa subsp. villosa
R. F. Hoover
1937-6-3
2358
Stanislaus
Knight's Ferry
Comment
OBI17184
Monolepis nuttalliana
Robert F. Hoover
1966-4-2
9795
San Luis Obispo
E side of Soda lake, Carrizo Plain
Comment
GH427294
Monolopia congdonii
R. F. Hoover
1937-4-11
1839
Unknown
Five miles west of Rosedale
Comment
UC761849
Monolopia congdonii
R. F. Hoover
1938-3-27
2907
Fresno
9 mi e of Coalinga
Comment
CAS-BOT-BC349544
Monolopia lanceolata
R. F. Hoover
1967-3-27
10280
San Luis Obispo
Chalk Mt., north side of Cuyama Valley
Comment
CAS-BOT-BC349566
Monolopia lanceolata
R. F. Hoover
1948-5-2
7509
San Luis Obispo
La Panza district
Comment
JEPS34938
Monolopia lanceolata
R. F. Hoover
1941-3-19
4780
Fresno
sw of Mendota (on Panoche road)
Comment
OBI18711
Monolopia lanceolata
Robert F. Hoover
1948-5-2
7509
San Luis Obispo
La Panza District
Comment
SD71149
Monolopia lanceolata
R. F. Hoover
1950-4-2
7783
San Luis Obispo
West branch of Fernandez Creek, just above La Panza-Creston Road.
Comment
OBI18713
Monolopia lanceolata
Robert F. Hoover
1949-4-12
7603
San Luis Obispo
E edge of Carrizo Plain, E of Simmler
Comment
UC1315048
Monolopia stricta
R. F. Hoover
1967-3-28
10307
San Luis Obispo
canyon near n end Elkhorn Plain; Temblor Range
Comment
UC618930
Monolopia stricta
R. F. Hoover
1936-4-11
947
Kern
Blackwell's Corner
Comment
JEPS34926
Monolopia stricta
R. F. Hoover
1941-3-19
4783
Fresno
mouth Big Panoche Canyon
Comment
UC765767
Montia fontana
R. F. Hoover
1938-2-22
2761
Solano
Pleasant's Valley
Comment
UC766155
Montia parvifolia
Robert F. Hoover
1936-7-6
1492
Tuolumne
Relief Reservoir
Comment
CAS-BOT-BC109023
Mucronea californica
R. F. Hoover
1947-7-10
7293
San Luis Obispo
Short distance north of north edge of Santa Maria Valley on Guadalupe-Arroyo Grande road.
Comment
CAS-BOT-BC109024
Mucronea californica
R. F. Hoover
1964-6-6
8975
San Luis Obispo
Los Osos.
Comment
CAS-BOT-BC109022
Mucronea californica
R. F. Hoover
1947-5-24
7203
San Luis Obispo
Yaro Creek near its junction with Toro Creek.
Comment
OBI10913
Mucronea perfoliata
Robert F. Hoover
1967-6-4
10597
San Luis Obispo
Cyn in Temblor Range near N end of Elkhorn Plain
Comment
OBI10911
Mucronea perfoliata
Robert F. Hoover
1965-10-6
9708
San Luis Obispo
Park Hill district
Comment
RSA201581
Mucronea perfoliata
Robert F. Hoover
1949-6-4
7752
San Luis Obispo
At San Juan River on Pozo-Simmler road, on dry sandstone slope.
Comment
UC1392969
Mucronea perfoliata
R. F. Hoover
1969-6-3
11353
San Luis Obispo
3 mi e Santa Margarita; Moreno Canyon
Comment
UC768584
Muhlenbergia andina
R. F. Hoover
1940-7-22
4425
Tuolumne
n side Pigeon Flat
Comment
OBI22015
Muhlenbergia asperifolia
Robert F. Hoover
1966-10-7
10134
San Luis Obispo
Cuyama River at Cuyama Ranch (N of New Cuyama)
Comment
RSA216848
Muhlenbergia asperifolia
Robert F. Hoover
1966-10-7
10134
San Luis Obispo
Cuyama River at Cuyama Ranch (north of New Cuyama).
Comment
CAS-BOT-BC276254
Muhlenbergia utilis
R. F. Hoover
1966-10-1
10102
San Luis Obispo
Upper Arroyo Grande at confluence of Phoenix Creek
Comment
UC765852
Muilla maritima
R. F. Hoover
1938-4-24
3234
Glenn
Norman
Comment
CAS-BOT-BC83367
Myosurus minimus
R. F. Hoover
1952-5-11
8185
San Luis Obispo
Navajo Creek district, east side of La Panza Range.
Comment
UC766195
Myosurus minimus
Robert F. Hoover
1935-3-17
363
Stanislaus
10 mi s Modesto
Comment
UC766196
Myosurus minimus
R. F. Hoover
1937-3-26
1726
Merced
2 mi n Snelling
Comment
UC767510
Myosurus minimus
R. F. Hoover
1937-3-25
1649
Merced
9 mi w Los Banos
Comment
OBI10595
Myosurus minimus subsp. apus
Robert F. Hoover
1967-4-8
10384
San Luis Obispo
Carrizo plain near N end of Soda Lake
Comment
OBI10589
Myosurus minimus subsp. apus
Robert F. Hoover
1947-3-30
6853
San Luis Obispo
1 mi S of Simmler, Carrizo Plain
Comment
CAS-BOT-BC101761
Myrica californica
R. F. Hoover
1946-8-26
6347
San Luis Obispo
Los Osos Valley
Comment
UC762335
Myrica californica
R. F. Hoover
1938-9-18
3840
Marin
Tomales Point
Comment
OBI13925
Nama californica
Robert F. Hoover
1952-5-24
8209
San Luis Obispo
Caliente Mt, on summit ridge W of peak
Comment
OBI13927
Nama californica
Robert F. Hoover
1953-5-17
8313
San Luis Obispo
"Skunk Well" cyn near Marianas ranch, Temblor range
Comment
OBI37311
Nama demissa
D. Hoover
1985-3-16
27
San Bernardino
Big Morongo Preserve. S of Morongo Valley, E facing slope behind the Yucca Ridge trl
777
Comment
NY1082381
Nama densum
R. F. Hoover
1941-7-28
5539
Mono
Upper Cottonwood Creek, Sweetwater Mountains
Comment
CAS-BOT-BC259860
Nassella cernua
R. F. Hoover
1947-5-10
7146
San Luis Obispo
E edge of Cuyama Valley near Kern County line
Comment
UC596199
Navarretia filicaulis
R. F. Hoover
1937-6-15
2461
Tuolumne
upper end of Moccasin Creek Basin, on road to Coulterville Moccasin Creek Basin
Comment
OBI11327
Navarretia hamata subsp. leptantha
R. F. Hoover
1968-7-7
11163
San Diego
Hills west of Ramona (Barona Valley)
Comment
OBI11326
Navarretia hamata subsp. parviloba
R. F. Hoover
1969-7-18
11485
San Luis Obispo
Price Canyon, in sandy wash.
Comment
UC762169
Navarretia intertexta
R. F. Hoover
1936-5-20
1138
Sutter
Riego
Comment
OBI11325
Navarretia intertexta
R. F. Hoover
1969-6-14
11376
Calaveras
Sheep Ranch Road, S.of Railroad Flat
Comment
UC1023816
Navarretia jaredii
R. F. Hoover
1946-6-30
6212
San Luis Obispo
between Santa Margarita and Pozo (Rinconzada Mine)
Comment
JEPS70399
Navarretia nigelliformis
R. F. Hoover
1935-5-30
604
Merced
Athlone
Comment
UC762867
Navarretia nigelliformis subsp. nigelliformis
R. F. Hoover
1939-5-6
4084
Fresno
Piedra
Comment
UC762146
Navarretia nigelliformis subsp. radians
R. F. Hoover
1935-5-30
604
Merced
Athlone
Comment
UC762147
Navarretia pubescens
R. F. Hoover
1935-5-28
602
Merced
5 mi e Turlock
Comment
UC762866
Navarretia subuligera
R. F. Hoover
1939-5-11
4096
Tehama
ne of Red Bluff
Comment
UC764584
Nemacladus interior
R. F. Hoover
1936-5-27
1234
Stanislaus
9 mi e Waterford
Comment
OBI20983
Nemacladus ramosissimus
Robert F. Hoover
1947-3-26
6764
San Luis Obispo
Oak Park district
Comment
UC1276320
Nemacladus ramosissimus
R. F. Hoover
1947-4-12
6899
San Luis Obispo
Upper Navajo Creek; La Panza Range
Comment
UC767570
Nemophila heterophylla
R. F. Hoover
1938-3-12
2846
Yolo
Cache Creek Canyon near Rumsey; Cache Creek Canyon near Rumsey
Comment
UC1285256
Nemophila menziesii
R. F. Hoover
1958-3-19
8426
San Luis Obispo
near n base Caliente Mountain (Carrizo Plain); , near n base Caliente Mountain
Comment
JEPS73764
Neostapfia colusana
R. F. Hoover
1936-5-27
1231
Stanislaus
3 miles northwest of Waterford.
Comment
SEINET197661
Neostapfia colusana
Robert F. Hoover
1937-1
Stanislaus
Comment
CAS-BOT-BC260326
Neostapfia colusana
R. F. Hoover
1935-7-27
695
Stanislaus
Near Waterford, on road to Oakdale
Comment
GH355895
Neostapfia colusana
R. F. Hoover
1937-7-22
2474
Unknown
Three miles northwest of Waterford, Stanislaus County
Comment
GH355896
Neostapfia colusana
R. F. Hoover
1936-5-27
1231
Unknown
3 mi. nw. of Waterford, Stanislaus Co.
Comment
GH355897
Neostapfia colusana
R. F. Hoover
1936-5-27
1231
Unknown
3 mi. nw. of Waterford, Stanislaus Co.
Comment
RSA86718
Neostapfia colusana
Robert F. Hoover
1935-7-27
s.n.
Stanislaus
Mear Waterford on road to Oakdale
Comment
SEINET11423710
Neostapfia colusana
R. F. Hoover
1936-1
Stanislaus
Waterford [NW of]
Comment
SEINET8719149
Neostapfia colusana
Robert F. Hoover
1937-1
Stanislaus
Comment
JEPS12277
Nicotiana acuminata var. multiflora
R. F. Hoover
1935-8-3
702
San Joaquin
5 mi sw Ripon
Comment
UC766874
Nicotiana acuminata var. multiflora
R. F. Hoover
1937-7-3
2592
Stanislaus
12 mi e Waterford
Comment
OBI9173
Nicotiana quadrivalvis
Robert F. Hoover
1965-9-19
9597
San Luis Obispo
Calf Cyn
Comment
OBI9174
Nicotiana quadrivalvis
Robert F. Hoover
1969-7-3
11409
San Luis Obispo
Salinas River bed at Paso Robles
Comment
UC1314996
Nuttallanthus texanus
R. F. Hoover
1967-5-6
10560
San Luis Obispo
near Black Lake
Comment
UC765854
Odontostomum hartwegii
R. F. Hoover
1937-6-3
2376
Tuolumne
Chinese Camp
Comment
CAS-BOT-BC140421
Oemleria cerasiformis
R. F. Hoover
1964-5-13
8837
San Luis Obispo
Santa Rita Creek west of Templeton
Comment
OBI8835
Oenanthe sarmentosa
Robert F. Hoover
1964-8-14
9268
San Luis Obispo
Jack lake
Comment
RSA43071
Oenothera californica subsp. californica
Robert F. Hoover
1947-4-26
7100
San Luis Obispo
6 miles east of Creston on La Panza Road
Comment
OBI11972
Oenothera elata subsp. hookeri
Robert F. Hoover
1966-9-21
10084
San Luis Obispo
Oso Flaco Lake
Comment
OBI20935
Opuntia phaeacantha
Robert F. Hoover
1946-10-13
6479
San Luis Obispo
Divide between Suey Crk and Cuyama River
Comment
GH355902
Orcuttia californica
R. F. Hoover
1936-6-11
1298
Unknown
12 miles west of Waterford, Stanislaus Co.
Comment Read comments Apr 4 2019
NY381546
Orcuttia californica var. viscida
R. F. Hoover
1938-7-30
3709
Sacramento
Seven miles south of Folsom
Comment
UC766713
Orcuttia inaequalis
R. F. Hoover
1936-7-17
1581
Merced
2 mi ne Planada
Comment
UC766929
Orcuttia inaequalis
R. F. Hoover
1937-6-22
2475
Stanislaus
3 mi nw Waterford
Comment
UC767162
Orcuttia inaequalis
R. F. Hoover
1936-6-4
1280
Tulare
5 mi nw Woodlake
Comment
UC767164
Orcuttia inaequalis
R. F. Hoover
1937-5-27
2306
Merced
2 mi ne Planada
Comment
GH355910
Orcuttia inaequalis
R. F. Hoover
1936-5-29
1256
Unknown
Ryer, Merced Co.
Comment
JEPS11685
Orobanche bulbosa
R. F. Hoover
1937-6-10
2428
Amador
Ione
Comment
OBI2647
Orobanche californica subsp. grandis
Robert F. Hoover
1967-9-15
10870
San Luis Obispo
Dunes S of Oso Flaco Lake
Comment
JEPS10812
Orobanche fasciculata
R. F. Hoover
1936-7-10
1521
Alpine
Lower Valley of Clark's Fork of Stanislaus River.
Comment
UC1224763
Orobanche uniflora subsp. occidentalis
R. F. Hoover
1951-4-15
8037
San Luis Obispo
Stoney Creek, tributary of Huasna River.
Comment
RSA516498
Orthocarpus campestris var. succulentus
Robert F. Hoover
1937-5-6
2096
Merced
Ryer.
Comment
JEPS9438
Orthocarpus cuspidatus subsp. cryptanthus
R. F. Hoover
1941-7-5
5445
Mono
Hot Creek below Fales Hot Springs; Hot Creek below Fales Hot Springs
Comment
SEINET10829382
Orthocarpus floribundus
Robert F. Hoover
1939-4-21
Hoover 4057
San Mateo
2 miles south of Colma.
Comment
RSA516488
Orthocarpus linearilobus
Robert F. Hoover
1938-5-16
3416
Stanislaus
La Grange.
Comment
RSA216749
Orthocarpus purpurascens var. latifolius
Robert F. Hoover
1969-5-16
11311
Monterey
Marina.
Comment
OBI77253
Osmorhiza berteroi
Robert F. Hoover
1964-5-12
8802
San Luis Obispo
Upper Lopez Cyn
Comment
OBI77683
Osmorhiza berteroi
Robert F. Hoover
1949-5-14
7672
San Luis Obispo
Rocky Butte district, above San Simeon
Comment
UC1392741
Oxalis albicans subsp. pilosa
R. F. Hoover
1969-7-5
11420
San Luis Obispo
Cambria
Comment
CAS-BOT-BC316831
Packera clevelandii
Robert Francis Hoover
1969-5-23
11333
Tuolumne
3 miles S of Chinese Camp
Comment
JEPS23643
Packera clevelandii
R. F. Hoover
1938-6-9
3578
Lake
Indian valley
Comment
UC1392825
Packera clevelandii
R. F. Hoover
1969-5-23
11333
Tuolumne
3 mi s Chinese Camp
Comment
CAS-BOT-BC121285
Paeonia californica
R. F. Hoover
1967-2-18
10213
San Luis Obispo
Diablo Canyon
Comment
UC1315077
Paeonia californica
R. F. Hoover
1967-2-18
10213
San Luis Obispo
Diablo Canyon San Luis Range
Comment
UC1296235
Papaver californicum
R. F. Hoover
1952-5-11
8193
San Luis Obispo
La Panza Range, at Navajo Camp La Panza Range; , Navajo Camp
Comment
OBI22077
Parapholis incurva
Robert F. Hoover
1964-6-11
9045
San Luis Obispo
Cuesta-by-the-Sea, S end of Morro Bay
Comment
UC596010
Parvisedum pumilum
R. F. Hoover
1937-4-23
1952
Tuolumne
2 mi w of Chinese Camp
Comment
UC764866
Parvisedum pumilum
R. F. Hoover
1938-4-24
3249
Butte
2 mi n of Chico
Comment
UC765007
Parvisedum pumilum
R. F. Hoover
1941-4-27
4945
Napa
Hill near Yountville
Comment
OBI22082
Paspalum dilatatum
Robert F. Hoover
1966-9-16
10062
San Luis Obispo
2 mi S of Creston
Comment
UC766188
Pectocarya anisocarpa
R. F. Hoover
1938-4-15
3104
Kern
Maricopa Hills
Comment
UC766189
Pectocarya anisocarpa
R. F. Hoover
1938-3-27
2929
Kings
Kettleman hills above Kettleman City
Comment
UC766197
Pectocarya anisocarpa
R. F. Hoover
1940-4-6
4298
Merced
low hills n Ortigalita Creek
Comment
OBI37462
Pectocarya linearis
D. A. Hoover
1985-4-11
291
San Bernardino
Morongo Cyn, SE of Morongo Valley. At the upper end of the Desert Wash Trl
777
Comment
OBI20868
Pectocarya linearis subsp. ferocula
Robert F. Hoover
1967-3-28
10304
San Luis Obispo
Cyn in Temblor range near N end of Elkhorn Plain
Comment
OBI20869
Pectocarya linearis subsp. ferocula
Robert F. Hoover
1948-4-17
7464
San Luis Obispo
San Juan River S of Shandon
Comment
JEPS68214
Pectocarya penicillata
R. F. Hoover
1937-3-25
1680
Madera
8 mi w Chowchilla
Comment
UC1392871
Pectocarya platycarpa
R. F. Hoover
1968-3-24
10914
San Bernardino
4 mi se Daggett (on Ord Mt. rd)
Comment
JEPS68223
Pectocarya pusilla
R. F. Hoover
1939-4-15
4024
Merced
near summit Pacheco Pass
Comment
JEPS68234
Pectocarya setosa
R. F. Hoover
1938-4-9
3042
San Joaquin
<Hill between Castle Rock and Black Butte> Corral Hollow
Comment
CAS-BOT-BC69246
Pellaea andromedifolia
R. F. Hoover
1947-3-21
6707
San Luis Obispo
West base of Mt. Bishop near S.L.O.
Comment
OBI78399
Penstemon centranthifolius
Robert F. Hoover
1968-6-7
11162
San Diego
Near lake Henshaw
Comment
OBI9263
Penstemon laetus
Robert F. Hoover
1968-6-18
11176
El Dorado
E of Somerset on Grizzley flat Rd
Comment
OBI9264
Penstemon laetus
Robert F. Hoover
1968-5-13
11080
Fresno
Tretten Cyn, N of summit on Squaw Valley-Piedra Rd
Comment
OBI9274
Penstemon purpusii
Robert F. Hoover
1963-7-4
8573
Tehama
log Spring Ridge near Bodkin cabin
Comment
CAS-BOT-BC330530
Pentachaeta fragilis
R. F. Hoover
1952-5-24
8216
San Luis Obispo
Caliente Mt., along ridge W of peak
Comment
CAS-BOT-BC77173
Pentagramma triangularis subsp. semipallida
R. F. Hoover
1964-5-13
8818
San Luis Obispo
Tassajera Creek
Comment
CAS-BOT-BC77170
Pentagramma triangularis subsp. semipallida
R. F. Hoover
1964-5-13
8818
Santa Barbara
Tassajara Creek
Comment
UC1296372
Pentagramma triangularis subsp. triangularis
R. F. Hoover
1964-5-13
8819
San Luis Obispo
Tassajera Creek
Comment Read comments Jul 27 2015
UC596070
Perideridia californica
R. F. Hoover
1937-5-16
2148
Tuolumne
5 mi e La Grange (on Coulterville road)
Comment
OBI10860
Persicaria amphibia
Robert F. Hoover
1969-8-25
11559
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI78427
Persicaria punctata
Robert F. Hoover
1964-8-14
9269
San Luis Obispo
Santa Lucia Range. Jack Lake
Comment
OBI17375
Petrorhagia dubia
Robert F. Hoover
1968-5-28
11117
Shasta
Stillwater Crk E of Redding
Comment
RSA519023
Phacelia ambigua
D. A. Hoover
1986-4-7
775
Riverside
Sandy bottom of the main canyon at the BLM gate.
549
Comment
UCD120276
Phacelia breweri
R. F. Hoover
1938-4-10
3074
Stanislaus
Hospital Canyon, at the bend.
Comment
JEPS2229
Phacelia californica
R. F. Hoover
1938-2-21
2753
Contra Costa
Point Richmond
Comment
UC762065
Phacelia californica
R. F. Hoover
1938-2-21
2753
Contra Costa
Point Richmond
Comment
UC762369
Phacelia californica
R. F. Hoover
1938-3-8
2821
Contra Costa
Berkeley Country Club (=Mira Vista C.C.) El Cerrito
Comment
UC767563
Phacelia ciliata var. ciliata
R. F. Hoover
1939-3-18
3920
Tulare
3 mi e Ducor
Comment
CAS-BOT-BC142693
Phacelia ciliata var. opaca
R. F. Hoover
1937-4-10
1794
Kings
20 mi. s. of Corcoran
Comment
UC765452
Phacelia ciliata var. opaca
R. F. Hoover
1936-2-28
730
Merced
near Le Grand
Comment
OBI13826
Phacelia cryptantha
Robert F. Hoover
1958-4-19
8455
San Luis Obispo
S of Jawbone Cyn, W edge of Mojave Desert
Comment Read comments Aug 19 2016
OBI13827
Phacelia cryptantha
Robert F. Hoover
1958-4-19
8455
San Luis Obispo
S of Jawbone Cyn, W edge of Mojave Desert
Comment
UC762048
Phacelia distans
R. F. Hoover
1939-4-10
4006
Madera
4 mi sw Chowchilla
Comment
UC762049
Phacelia distans
R. F. Hoover
1938-4-27
3253
Santa Clara
4 mi s San Jose
Comment
UC762066
Phacelia distans
R. F. Hoover
1938-4-9
3028
San Joaquin
1 mi n Corral Hollow (near Aalmeda Co. line)
Comment
UC767561
Phacelia douglasii
R. F. Hoover
1941-4-19
4857
Stanislaus
sandy hill 8 mi w Newman
Comment
JEPS2332
Phacelia fremontii
R. F. Hoover
1937-4-10
1778
Fresno
9 mi s Kerman
Comment
OBI13764
Phacelia grisea
Robert F. Hoover
1950-6-21
7996
San Luis Obispo
Rocky Butte lookout station, Santa Lucia mts
Comment
UC596133
Phacelia hydrophylloides
R. F. Hoover
1938-7-14
3638
Tuolumne
Eagle Meadow
Comment
CAS-BOT-BC194953
Phacelia imbricata var. imbricata
R. F. Hoover
1947-5-30
7230
San Luis Obispo
Huasna River just below confluence of Arroyo Seco
Comment
OBI13740
Phacelia loasifolia
Robert F. Hoover
1969-5-16
11309
San Benito
Bickmore cyn, Glorai rd
Comment
UC762347
Phacelia malvifolia
Robert F. Hoover
1946-4-27
6082
San Luis Obispo
See Canyon
Comment
CAS-BOT-BC159122
Phacelia ramosissima var. montereyensis
R. F. Hoover
1964-8-14
9254
San Luis Obispo
Jack Lake, in shifting sand
Comment
JEPS1332
Phacelia suaveolens
R. F. Hoover
1937-6-10
2419
Amador
Ione
Comment
UC762368
Phacelia suaveolens
R. F. Hoover
1937-6-10
2419
Amador
Ione
Comment
RSA201573
Phacelia suaveolens subsp. suaveolens
Robert F. Hoover
1952-6-10
8244
San Luis Obispo
Black Mt, La Panza Range; near summit.
Comment
UC765639
Phacelia tanacetifolia
R. F. Hoover
1938-3-20
2883
Merced
gypsum hills 10 mi s Los Banos
Comment
OBI22090
Phalaris aquatica
Robert F. Hoover
1964-6-5
8913
San Luis Obispo
Ridge SE of Cuesta Pass
Comment
UC768493
Phalaris californica
R. F. Hoover
1941-5-12
5055
Marin
on Point Reyes road w Inverness Ridge; Point Reyes road, w of Inverness Ridge
Comment
UC768491
Phalaris paradoxa
R. F. Hoover
1937-5-14
2123
Contra Costa
Byron Hot Springs
Comment
UC764921
Phoenicaulis cheiranthoides
Robert F. Hoover
1936-6-20
1362
Tuolumne
Eagle Peak
Comment
OBI12433
Phoradendron densum
Robert F. Hoover
1946-9-15
6415
San Luis Obispo
West edge of Carrizo Plain W of Simmler
Comment
UC769862
Phragmites australis
R. F. Hoover
1940-10-11
4682
Lassen
s Doyle; Long Valley
Comment
CAS-BOT-BC250992
Phragmites australis
R. F. Hoover
1966-10-7
10128
San Luis Obispo
Cuyama River at oil fields west of New Cuyama
Comment
UC768794
Phyllospadix scouleri
R. F. Hoover
1941-5-24
5220
Monterey
just s Point Pinos; Pacific Grove
Comment
RSA201637
Phyllospadix scouleri
Robert F. Hoover
1964-7-12
9202
San Luis Obispo
Leffingwell Landing near Cambria.
Comment
CAS-BOT-BC206933
Pickeringia montana var. montana
R. F. Hoover
1950-6-5
7982
San Luis Obispo
Ridge NW of Cuesta Pass
Comment
CAS-BOT-BC206934
Pickeringia montana var. montana
R. F. Hoover
1950-6-5
7982
San Luis Obispo
Ridge NW of Cuesta Pass
Comment
UC764705
Pickeringia montana var. montana
Robert F. Hoover
1941-6-7
5303
Sonoma
Molino-Occidental Road
Comment
CAS-BOT-BC206932
Pickeringia montana var. montana
R. F. Hoover
1959-5-9
8495
San Luis Obispo
Six miles west of Paso Robles on Adelaida Road
Comment
OBI12773
Pickeringia montana var. montana
Robert F. Hoover
1959-5-9
8495
San Luis Obispo
6 mi W of Paso Robles on Adelaida rd
Comment
UC770068
Pilularia americana
R. F. Hoover
1936-4-10
912
Tulare
8 mi n Visalia
Comment
UC767103
Pinus albicaulis
R. F. Hoover
1941-7-22
5518
Tuolumne
Emigrant Meadow
Comment
OBI22736
Pinus muricata
Robert F. Hoover
1948-2-16
7418
San Luis Obispo
Sycamore Springs (hill just above) near Avila
Comment
OBI22746
Pinus muricata
Robert F. Hoover
1947-10-24
7410
San Luis Obispo
Near Sunnyside School
Comment
UC767614
Piperia transversa
Robert F. Hoover
1936-5-22
1207
Shasta
5 mi e Redding
Comment
UC762838
Plagiobothrys acanthocarpus
R. F. Hoover
1936-3-17
774
Stanislaus
Warnerville
Comment
UC762839
Plagiobothrys acanthocarpus
R. F. Hoover
1937-5-4
2012
Stanislaus
4 mi s Oakdale
Comment
UC762851
Plagiobothrys acanthocarpus
R. F. Hoover
1935-3-1
253
Stanislaus
Grayson
Comment
UC762853
Plagiobothrys acanthocarpus
R. F. Hoover
1936-3-21
830
Fresno
Little Panoche wash Little Panoche
Comment
JEPS68005
Plagiobothrys arizonicus
R. F. Hoover
1938-4-9
3038
San Joaquin
hill betw. Castle Rock and Black Butte; Corral Hollow
Comment
UC767643
Plagiobothrys arizonicus
R. F. Hoover
1938-3-27
2914
Kings
Kettleman City
Comment
JEPS60923
Plagiobothrys austiniae
R. F. Hoover
1936-3-17
769
Stanislaus
near La Grange (on Snelling Road)
Comment
UC762823
Plagiobothrys austiniae
R. F. Hoover
1941-3-25
4829
Tuolumne
Head of Owl Creek
Comment
UC766998
Plagiobothrys canescens
R. F. Hoover
1935-3-4
291
Stanislaus
Modesto
Comment
UC765819
Plagiobothrys fulvus
R. F. Hoover
1937-3-26
1712
Stanislaus
La Grange
Comment
UC766711
Plagiobothrys fulvus
R. F. Hoover
1939-4-15
4028
Merced
Pacheco Pass summit
Comment
CAS-BOT-BC409291
Plagiobothrys glaber
Robert F. Hoover
1938-5-28
5305
San Benito
Hollister airport
Comment
JEPS21186
Plagiobothrys greenei
R. F. Hoover
1938-5-16
3418
Stanislaus
plain e La Grange
Comment
UC767525
Plagiobothrys greenei
R. F. Hoover
1937-5-19
2269
Shasta
4 mi e Redding
Comment
JEPS68053
Plagiobothrys hispidus
R. F. Hoover
1941-7-5
5447
Mono
below Fales Hot Springs; Hot Creek
Comment
UC767628
Plagiobothrys humistratus
R. F. Hoover
1938-4-10
3057
Alameda
East edge of Livermore
Comment
UC766327
Plagiobothrys infectivus
R. F. Hoover
1940-4-7
4319
Stanislaus
Lower Crow Creek canyon
Comment
CAS-BOT-BC228477
Plagiobothrys myosotoides
Robert F. Hoover
1938-5-17
3465
Fresno
Big Sandy Valley, E base of Black Mountain
Comment
UC766326
Plagiobothrys nothofulvus
R. F. Hoover
1935-3-30
457
Tulare
between Richgrove and Ducor
Comment
UC1284988
Plagiobothrys scriptus
R. F. Hoover
1949-4-11
7592
San Luis Obispo
La Panza Road 18 mi e Creston
Comment
UC1392861
Plagiobothrys shastensis
R. F. Hoover
1968-4-6
11003
San Luis Obispo
on La Panza road 18 mi e Creston
Comment
UC767633
Plagiobothrys stipitatus
R. F. Hoover
1937-5-18
2190
Sacramento
5 mi nw Thornton
Comment
UC766028
Plagiobothrys tenellus
R. F. Hoover
1938-5-17
3467
Fresno
e base Black Mt.; Big Sandy Valley
Comment
UC767596
Plagiobothrys tenellus
R. F. Hoover
1937-5-4
2030
Stanislaus
2 mi s Oakdale
Comment
UC767597
Plagiobothrys tenellus
R. F. Hoover
1937-3-26
1713
Stanislaus
La Grange
Comment
RSA128490
Plagiobothrys tener
Robert F. Hoover
1936-5-22
1196
Shasta
3 miles east of Redding
Comment
UC767631
Plagiobothrys torreyi var. diffusus
R. F. Hoover
1936-6-18
1322
Alpine
Douglas Station
Comment
OBI20608
Plagiobothrys trachycarpus
Robert F. Hoover
1947-4-16
6938
San Luis Obispo
Near N end of Laguna near San Luis Obispo
Comment
OBI20609
Plagiobothrys trachycarpus
Robert F. Hoover
1947-5-12
s.n.
San Luis Obispo
Near N end of Laguna near San Luis Obispo
Comment
UC1284992
Plagiobothrys trachycarpus
R. F. Hoover
1947-4-16
6938
San Luis Obispo
near n end of Laguna near San Luis Obispo
Comment
JEPS61083
Plagiobothrys undulatus
R. F. Hoover
1936-6-4
1271
Fresno
3 mi w Orange Cove
Comment
JEPS61089
Plagiobothrys undulatus
R. F. Hoover
1937-5-18
2191
Sacramento
5 mi nw Thornton
Comment
JEPS7139
Plantago coronopus
R. F. Hoover
1937-5-18
2223
Sutter
Pleasant Grove
Comment
UC762093
Plantago erecta
R. F. Hoover
1939-3-18
3915
Merced
7 mi s Merced
Comment
JEPS6409
Plantago erecta
R. F. Hoover
1940-3-31
4292
Stanislaus
s of mouth of Del Puerto Canyon
Comment
JEPS7148
Plantago major
R. F. Hoover
1934-11-28
138
Stanislaus
Modesto
Comment
RSA43210
Plantago maritima
Robert F. Hoover
1947-5-23
7189
San Luis Obispo
Coast S of Hagard Canyon.
Comment
JEPS35339
Plantago maritima var. californica
R. F. Hoover
1964-6-13
9088
San Luis Obispo
just n Arroyo de la Cruz; Point Sierra Nevada
Comment
OBI11644
Plantago ovata
Robert F. Hoover
1967-3-28
10320
San Luis Obispo
Temblor Range near N end of Elkhorn Plain
Comment
OBI51839
Plantago ovata
Robert F. Hoover
1938-4-9
3053
San Joaquin
Black Butte, at lower end of Corral Hollow
Comment
UC762067
Plantago ovata
R. F. Hoover
1937-4-10
1806
Kern
between Lost Hills and Semitropic
Comment
UC762091
Plantago ovata
R. F. Hoover
1935-3-29
431
Fresno
between Mendota and Coalinga
Comment
UC767658
Platanthera sparsiflora
R. F. Hoover
1936-6-25
1401
Tuolumne
Brightmans Flat
Comment
CAS-BOT-BC91986
Platystemon californicus
R. F. Hoover
1949-4-4
7583
San Luis Obispo
West base of Mount Bishop near San Luis Obispo.
Comment
JEPS35297
Plectritis congesta
R. F. Hoover
1949-5-12
7667
San Luis Obispo
between Mount Bishop and Cerro Romauldo
Comment
OBI8700
Plectritis macrocera
Robert F. Hoover
1969-3-28
11199
Merced
E side of Pacheco Pass, on old rd about 1 mi E of summit
Comment
OBI22105
Pleuropogon californicus
Robert F. Hoover
1964-5-14
8880
San Luis Obispo
Near NW end of Laguna, San Luis Obispo
Comment
UC767873
Pleuropogon californicus var. californicus
R. F. Hoover
1941-4-26
4923
Napa
Pope Valley
Comment
CAS-BOT-BC326618
Pluchea sericea
R. F. Hoover
1946-10-13
6487
San Luis Obispo
Cuyama River at highway birdge not far below Sycamore Creek
Comment
UC767842
Poa annua
R. F. Hoover
Oct., 1934
71
Stanislaus
Modesto
Comment
CAS-BOT-BC246696
Poa howellii
R. F. Hoover
1948-5-3
7513
San Luis Obispo
See Canyon
Comment
UC769901
Poa howellii
R. F. Hoover
1937-4-21
1909
Alameda
Berkeley Hills
Comment
UC768576
Poa keckii
R. F. Hoover
1941-7-29
5555
Mono
Mt Patterson; Sweetwater Mts
Comment
CAS-BOT-BC243096
Poa secunda subsp. secunda
R. F. Hoover
1967-4-8
10386
San Luis Obispo
Carrizo Plain near N end of Soda Lake
Comment
UC767834
Poa secunda subsp. secunda
R. F. Hoover
1941-7-17
5499
Tuolumne
Eagle Meadow
Comment
UC767844
Poa secunda subsp. secunda
R. F. Hoover
1935-3-29
409
Fresno
near Little Panoche Creek Little Panoche Creek
Comment
UC768577
Poa secunda subsp. secunda
Robert F. Hoover
1935-3-15
321
Stanislaus
4 mi s Oakdale; San Joaquin Valley
Comment
UC769903
Poa stebbinsii
R. F. Hoover
1941-7-22
5519
Tuolumne
Emigrant Meadow
Comment
UC762135
Pogogyne douglasii
R. F. Hoover
1936-5-20
1129
Sacramento
Galt
Comment
UC1988926
Pogogyne serpylloides
Robert F. Hoover
1937-5-29
2338
Calaveras
Mercer's Cave
Comment
JEPS62481
Pogogyne zizyphoroides
R. F. Hoover
1937-5-19
2275
Shasta
4 miles East of Redding.
Comment
UC1988946
Pogogyne zizyphoroides
Robert F. Hoover
1937-5-18
2195
Sacramento
Five miles northwest of Thornton
Comment
UC762136
Pogogyne zizyphoroides
R. F. Hoover
1938-5-16
3453
Madera
Daulton
Comment
UC762137
Pogogyne zizyphoroides
R. F. Hoover
1937-5-18
2195
Sacramento
5 miles northwest of Thornton
Comment
JEPS69892
Polemonium chartaceum
R. F. Hoover
1941-7-29
5548
Mono
Mt. Patterson Sweetwater Mts., Mt. Patterson
Comment
UC1392959
Polygonum amphibium var. emersum
R. F. Hoover
1969-8-25
11559
San Luis Obispo
Laguna de San Luis Obispo
Comment
CAS-BOT-BC414079
Polygonum aviculare subsp. aviculare
R. F. Hoover
1965-9-18
9566
San Luis Obispo
Santa Margarita
Comment
UC769830
Polygonum lapathifolium
R. F. Hoover
1934-9-15
17
Stanislaus
Modesto
Comment
CAS-BOT-BC109174
Polygonum paronychia
R. F. Hoover
1964-6-11
9042
San Luis Obispo
Just south of Hazard Canyon.
Comment
UC771745
Polygonum punctatum
R. F. Hoover
1946-8-26
6361
San Luis Obispo
Baywood Park
Comment
CAS-BOT-BC72001
Polypodium californicum
R. F. Hoover
1964-5-12
8809
San Luis Obispo
Upper Lopez Canyon
Comment
UC767860
Polypogon maritimus
R. F. Hoover
1937-5-16
2146
Tuolumne
on Coulterville road 5 mi e La Grange
Comment
OBI22179
Polypogon monspeliensis
Robert F. Hoover
1964-6-10
9012
San Luis Obispo
Avila
Comment
OBI22180
Polypogon monspeliensis
Robert F. Hoover
1964-8-13
9224
San Luis Obispo
Mouth of Morro Crk
Comment
CAS-BOT-BC102649
Populus fremontii
R. F. Hoover
1965-9-19
9600
San Luis Obispo
Calf Canyon
Comment
OBI9887
Populus fremontii
Robert F. Hoover
1946-10-6
6466
San Luis Obispo
San Miguel, along Salinas River bed
Comment
UC764048
Potentilla drummondii subsp. breweri
Robert F. Hoover
1936-7-2
1463
Tuolumne
2 mi w Sonora Pass summit; w of Sonora Pass summit
Comment
UC764706
Prosopis glandulosa var. torreyana
R. F. Hoover
1941-3-23
4794
Kern
sw of Bakersfield (on road to Taft)
Comment
GH366057
Prunus
R. F. Hoover
1941-5-2
4979
Unknown
Between Seigler Springs and Lower Lake
Comment
UC764039
Prunus virginiana var. demissa
R. F. Hoover
1941-5-2
4979
Lake
between Seigler Spring and Lower Lake
Comment
UC769964
Pseudobahia heermannii
R. F. Hoover
1938-5-9
3411
Mariposa
3 mi s of Mt. Bullion
Comment
CAS-BOT-BC356615
Pseudognaphalium biolettii
R. F. Hoover
1948-3-4
7428
San Luis Obispo
Coast south of Hazard Canyon
Comment
CAS-BOT-BC356617
Pseudognaphalium biolettii
R. F. Hoover
1948-3-4
7428
San Luis Obispo
Coast south of Hazard Canyon
Comment
UC1392967
Pseudognaphalium luteoalbum
R. F. Hoover
1969-7-3
11415
San Luis Obispo
Salinas River bed at Paso Robles Salinas River, Paso Robles
Comment
CAS-BOT-BC357342
Pseudognaphalium microcephalum
R. F. Hoover
1967-9-5
10825
Placer
Cornelian Bay, Lake Tahoe
Comment
CAS-BOT-BC361545
Pseudognaphalium stramineum
R. F. Hoover
1947-8-13
7373
San Luis Obispo
South of Hazard Canyon
Comment
CAS-BOT-BC361547
Pseudognaphalium stramineum
R. F. Hoover
1964-8-13
9227
San Luis Obispo
Santa Lucia Range. Mouth of Morro Creek
Comment
HSC104069
Pseudotrillium rivale
L. Hoover, S. Carothers
2003-4-17
Del Norte
Six Rivers National Forest; North Fork Smith Botanical Area; top of Wimer Rd. (#305), near intersection with Rd. 206.
854
Comment
JEPS40485
Psilocarphus brevissimus var. brevissimus
R. F. Hoover
1935-5-30
607
Merced
Athlone
Comment
JEPS40495
Psilocarphus brevissimus var. brevissimus
R. F. Hoover
1937-5-19
2276
Shasta
4 mi e Redding
Comment
OBI15563
Psilocarphus tenellus
Robert F. Hoover
1951-4-15
8045
San Luis Obispo
Stoney Crk, tributary of Huasna River
Comment
CAS-BOT-BC72646
Pteridium aquilinum
R. F. Hoover
1966-9-21
10075
San Luis Obispo
1 mile south of Edna on Price Canyon road to Pismo Beach
Comment
UC763151
Pterospora andromedea
R. F. Hoover
1940-7-15
4417
Tuolumne
Mill Creek
Comment
SEINET196239
Ptilagrostis kingii
R. F. Hoover
1940-8-1
4478
Tuolumne
Upper end of Emigrant Lake.
Comment
UC763153
Pyrola picta
R. F. Hoover
1940-7-15
4415
Tuolumne
Mill Creek
Comment
UC761923
Pyrrocoma apargioides
R. F. Hoover
1939-7-28
4195
Tuolumne
Red Peak
Comment
UCD45262
Quercus berberidifolia
R. F. Hoover
1946-8-18
6321
San Luis Obispo
Calf Canyon, e. of Santa Margarita.
Comment
SEINET13953306
Quercus cornelius-mulleri
D. A. Hoover
1985-1
632
San Bernardino
S of Morongo Valley, N facing slope of hill where the old car body rests
762
Comment
CAS-BOT-BC79328
Quercus dumosa
R. F. Hoover
1965-9-29
9683
San Luis Obispo
Half-way between Santa Margarita and Atascadero
Comment
UC762345
Quercus durata
R. F. Hoover
1940-8-25
4542
Napa
e side Mt. St. Helena
Comment
UCD45928
Quercus durata var. durata
R. F. Hoover
1946-9-15
6419
San Luis Obispo
Rinconada Mine, in area of serpentine.
Comment
CAS-BOT-BC94616
Quercus garryana
R. F. Hoover
1964-5-15
8889
San Luis Obispo
Pine Top Mountain, S of San Carpoforo Creek
Comment
SD71405
Quercus garryana
R. F. Hoover
1957-8-28
8405
San Luis Obispo
Between Rocky Butte and Pine Mountain, above San Simeon.
Comment
CAS-BOT-BC62834
Quercus lobata
R. F. Hoover
1957-7-19
8391
San Luis Obispo
Trail to Cypress Mt. from Cambria - Adelaida road
Comment
UC762346
Quercus vacciniifolia
R. F. Hoover
1940-7-18
4418
Alpine
Douglas Station
Comment
UC767471
Raillardella argentea
R. F. Hoover
1939-7-28
4196
Tuolumne
Red Peak
Comment
UC765738
Ranunculus californicus
R. F. Hoover
1938-1-9
2729
Alameda
Crane Ridge
Comment
UC765739
Ranunculus californicus
R. F. Hoover
1937-3-25
1674
Merced
Pacheco Pass; e base
Comment
CAS-BOT-BC378574
Ranunculus californicus var. californicus
R. F. Hoover
1948-3-4
7424
San Luis Obispo
Osos Valley
Comment
UC767502
Ranunculus canus var. canus
Robert F. Hoover
1936-3-18
788
Stanislaus
four miles south of Oakdale
Comment
OBI10288
Rhamnus crocea
Robert F. Hoover
1964-1-19
8624
San Luis Obispo
Lower Coon Crk
Comment
GH363923
Ribes aureum
R. F. Hoover
1935-2-8
211
Unknown
Modesto
Comment
UC1296144
Ribes aureum
R. F. Hoover
1965-3-12
9335
San Luis Obispo
4 mi w Templeton; Santa Lucia Range
Comment
OBI14058
Ribes aureum var. gracillimum
Robert F. Hoover
1964-4-13
8701
San Luis Obispo
2 mi S of Atascadero, W of hwy 101, at base of shale hill
Comment
CAS-BOT-BC173078
Ribes divaricatum var. pubiflorum
R. F. Hoover
1947-3-8
6648
San Luis Obispo
Lower Chorro Creek e. of Morro Bay (near its mouth)
Comment
OBI14043
Ribes indecorum
Robert F. Hoover
1947-3-9
6664
San Luis Obispo
Head of Calf Cyn E of Santa Margarita
Comment
CAS-BOT-BC168964
Ribes malvaceum
R. F. Hoover
1967-2-8
10201
San Luis Obispo
Hill south of Los Osos
Comment
UC1296139
Ribes malvaceum
R. F. Hoover
1964-3-14
8650
San Luis Obispo
Head of Lopez Canyon Lopez Canyon
Comment
OBI14041
Ribes menziesii
Robert F. Hoover
1947-1-26
6603
San Luis Obispo
Osos Valley
Comment
UC764965
Ribes quercetorum
R. F. Hoover
1938-1-9
2728
Alameda
Crane Ridge
Comment
OBI14031
Ribes quercetorum
Robert F. Hoover
1964-4-13
8698
San Luis Obispo
2 mi S of Atascadero, W of hwy 101, near base of shale hill
Comment
UC1392740
Rorippa curvisiliqua
R. F. Hoover
1969-7-3
11413
San Luis Obispo
Salinas River bed Paso Robles; Salinas River bed at Paso Robles
Comment
SFV9355
Rorippa sphaerocarpa
D. H. Hoover
1957-8-18
8 67
Tuolumne
Sierra Nevada 1 mile south of Clark Fork Bridge Camp.
1982
Comment
UC1392792
Rosa californica
R. F. Hoover
1969-8-8
11520
Monterey
on Elkhorn Rd bordering Elkhorn Slough
Comment
CAS-BOT-BC146684
Rosa gymnocarpa
R. F. Hoover
1964-5-13
8847
San Luis Obispo
South Fork of Old Creek
Comment
UC762607
Rudbeckia californica
R. F. Hoover
1938-7-19
3690
Tuolumne
Brightman Flat
Comment
OBI78542
Rumex conglomeratus
Robert F. Hoover
1964-7-11
9158
San Luis Obispo
Edna marsh
Comment
OBI10842
Rumex crassus
Robert F. Hoover
1947-5-23
7188
San Luis Obispo
Coast S of Hazard Cyn
Comment
OBI10832
Rumex fueginus
Robert F. Hoover
1964-8-13
9244
San Luis Obispo
Mouth of osos Crk
Comment
CAS-BOT-BC454148
Ruppia maritima
R. F. Hoover
1947-10-11
7406
San Luis Obispo
San Simeon
Comment
OBI9864
Salix breweri
Robert F. Hoover
1947-4-27
7109
San Luis Obispo
Morro Crk,above base of grade on hwy to Atascadero, along rivulets
Comment
CAS-BOT-BC103938
Salix exigua
R. F. Hoover
1968-7-7
76
Santa Barbara
In river bottom of Central Valley, one mile west of Stanton Ranch house, Santa Cruz Island
Comment
OBI9841
Salix laevigata
Robert F. Hoover
1953-5-16
8200
San Luis Obispo
Grant Lake on margin of dry lakebed
Comment
OBI9847
Salix laevigata
Robert F. Hoover
1953-5-16
8299
San Luis Obispo
Grant Lake on margin of dry lakebed
Comment
CAS-BOT-BC126452
Salix sitchensis
R. F. Hoover
1947-3-16
6670
San Luis Obispo
Just south of Monterey Co. line
Comment
CAS-BOT-BC402108
Saltugilia australis
Doris Hardman Hoover
1967-6-11
s.n.
San Diego
J.R. Hoover Ranch +-4 mi. s.e. of Fallbrook
152
Comment
UC762491
Salvia carduacea
R. F. Hoover
1938-4-2
2979
Monterey
junction of Paloma Creek and Arroyo Seco
Comment
OBI13542
Salvia leucophylla
Robert F. Hoover
1950-6-2
7973
San Luis Obispo
Arroyo Seco, tributarry of Huasna River
Comment
CAS-BOT-BC230030
Salvia mellifera
R. F. Hoover
1964-4-15
8728
San Luis Obispo
Ridge northwest of Cuesta Pass
Comment
OBI13532
Salvia mellifera
Robert F. Hoover
1968-6-6
11148
Los Angeles
Summit of Santa Monica MTs, just W of Sepulveda Blvd
Comment
UC762493
Salvia spathacea
Robert F. Hoover
1938-4-23
3183
Solano
Mix Canyon (Weldon Canyon)
Comment
CAS-BOT-BC246005
Sambucus nigra subsp. caerulea
R. F. Hoover
1964-7-11
9176
San Luis Obispo
3 mi. NW of Nipomo
Comment
UC766959
Sanicula bipinnatifida
R. F. Hoover
1939-3-20
3939
Madera
Califa
Comment
OBI8780
Sanicula hoffmannii
Robert F. Hoover
1947-5-31
7253
San Luis Obispo
Rinconada Mine (west of Pozo)
Comment
LA33015
Sanicula maritima
Robert F. Hoover;
1947-3-16
6683
San Luis Obispo
Arroyo de la Cruz (just N of) near ocean on Highway No. 1
Comment
RSA201624
Sanicula maritima
Robert F. Hoover
1947-4-13
6928
San Luis Obispo
Los Osos Valley
Comment
SD71409
Sanicula maritima
R. F. Hoover
1947-3-16
6683
San Luis Obispo
Arroyo de la Cruz (just north of) near ocean on Highway 1
Comment
OBI8753
Sanicula simulans
Robert F. Hoover
1958-3-3
8411
San Luis Obispo
Steiner Crk at mouth of Serrano Cyn
Comment
OBI8754
Sanicula simulans
Robert F. Hoover
1958-3-3
8411
San Luis Obispo
Steiner Crk at mouth of Serrano Cyn
Comment
UC1601280
Satureja mimuloides
Robert F. Hoover
1937-8-12
2682
Monterey
Upper Nacimiento River
Comment
UC764966
Saxifraga aprica
R. F. Hoover
1938-7-16
3659
Tuolumne
Relief Reservoir
Comment
UC764893
Saxifraga californica
Robert F. Hoover
1935-3-15
320
Stanislaus
4 mi s of Oakdale
Comment
UC764967
Saxifraga californica
R. F. Hoover
1939-3-19
3933
Fresno
lower Kings River Canyon (Pine Flat); , Kings River Canyon
Comment
UC765478
Scandix pecten-veneris
R. F. Hoover
1941-4-27
4942
Napa
Napa Junction
Comment
OBI22194
Schismus arabicus
Robert F. Hoover
1949-4-21
7613
San Luis Obispo
Just E of San Juan river on Rd from La panza to Simmler
Comment
OBI6266
Schoenoplectus californicus
Robert F. Hoover
1966-9-21
10078
San Luis Obispo
Oso Flaco Lake
Comment
UC766163
Scirpus cernuus
R. F. Hoover
1941-5-21
5158
Marin
Point Reyes
Comment
GH361139
Scribneria bolanderi
R. F. Hoover
1937-4-24
1975
Unknown
Chinese Camp
Comment
UC769940
Scribneria bolanderi
R. F. Hoover
1937-4-24
1994
Stanislaus
Warnerville
Comment
CAS-BOT-BC238478
Scrophularia atrata
R. F. Hoover
1959-5-12
8502
San Luis Obispo
Price Canyon
Comment
JEPS35324
Scrophularia californica
R. F. Hoover
1964-5-14
8858
San Luis Obispo
See Canyon
Comment
OBI9230
Scrophularia californica
Robert F. Hoover
1948-5-3
7515
San Luis Obispo
See Cyn
Comment
UC767434
Scrophularia californica
R. F. Hoover
1936-7-2
1462
Tuolumne
2 mi w Sonora Pass summit
Comment
JEPS35333
Scrophularia californica
R. F. Hoover
1964-6-7
8982
San Luis Obispo
lower canyon of San Carpoforo Creek
Comment
UC767432
Scrophularia californica
R. F. Hoover
1939-5-10
4088
Placer
2 mi e Lincoln
Comment
CAS-BOT-BC341100
Scutellaria mexicana
R. F. Hoover
1966-10-15
10176
Riverside
Bighorn Drive, San Jacinto Mts.
Comment
OBI13496
Scutellaria tuberosa
Robert F. Hoover
1947-3-19
6693
San Luis Obispo
Oak Park District
Comment
OBI13497
Scutellaria tuberosa
Robert F. Hoover
1947-3-1
6626
San Luis Obispo
Cambria
Comment
UC764949
Sedum lanceolatum
R. F. Hoover
1936-7-6
1494
Tuolumne
Relief Reservoir
Comment
SBBG40539
Senecio blochmaniae
R. F. Hoover
1969-9-21
11605
San Luis Obispo
S end of Morro Bay
Comment
CAS-BOT-BC363517
Senecio californicus
R. F. Hoover
1967-5-13
10561
San Luis Obispo
Coast west of Cambria
Comment
OBI15525
Senecio californicus
Robert F. Hoover
1968-4-11
11006
Monterey
Marina Beach
Comment
UC1315016
Senecio californicus
R. F. Hoover
1967-4-20
10494
San Luis Obispo
on La Panza Road 4 mi e Creston
Comment
GH11915
Senecio clevelandii var. heterophyllus
R. F. Hoover
1938-6-19
3614
Unknown
1.5 miles southwest of Chinese Camp
Comment
RSA0001541
Senecio clevelandii var. heterophyllus
Robert F. Hoover
1938-6-19
3614
Tuolumne
1 1/2 miles southwest of Chinese Camp.
Comment
OBI15502
Senecio douglasii var. douglasii
Robert F. Hoover
1965-10-6
9718
San Luis Obispo
4 mi N of Pozo, along dry stream bed
Comment
OBI15504
Senecio douglasii var. douglasii
Robert F. Hoover
1965-9-18
9579
San Luis Obispo
Morano Canyon, E of Santa Margarita
Comment
UC767444
Senecio fremontii var. occidentalis
R. F. Hoover
1939-7-28
4198
Tuolumne
Red Peak
Comment
UC762618
Senecio integerrimus var. exaltatus
R. F. Hoover
1941-7-19
5504
Tuolumne
Eagle Meadow
Comment
UC767011
Sesuvium verrucosum
R. F. Hoover
1934-10-20
155
Stanislaus
15 mi s of Mosesto
Comment
CAS-BOT-BC187893
Sidalcea calycosa subsp. rhizomata
Robert F. Hoover
1941-6-19
5378
Marin
N of Abbotts Lagoon
Comment
OBI12327
Sidalcea glaucescens
Robert F. Hoover
1967-9-5
10835
Placer
Carnelian Bay, Lake Tahoe
Comment
HSC103282
Sidalcea glaucescens
Lisa D. Hoover
2013-5-31
Del Norte
Six Rivers National Forest, High Plateau Quad, North Fork Smith River watershed, Bear Creek.
324
Comment
CAS-BOT-BC205506
Sidalcea hickmanii subsp. anomala
R. F. Hoover
1958-5-17
8478
San Luis Obispo
Summit of San Lucia Mts. northwest of Cuesta Pass
Comment
CAS-BOT-BC205536
Sidalcea hickmanii subsp. viridis
Robert F. Hoover
1941-5-12
5063
Marin
Point Reyes peninsula west of Drake's Estero
Comment
UC763981
Sidalcea keckii
R. F. Hoover
1939-5-6
4085
Fresno
Piedra
Comment
UC764091
Sidalcea malviflora subsp. laciniata
R. F. Hoover
1937-3-25
1673
Merced
e base of Pacheco Pass
Comment
OBI12310
Sidalcea malviflora subsp. laciniata
Robert F. Hoover
1964-5-14
8874
San Luis Obispo
Above head of Perfumo cyn, San Luis Range
Comment
UC766240
Silene antirrhina
R. F. Hoover
1941-4-19
4854
Stanislaus
Sandy hill 8 mi w Newan; w of Newan
Comment
OBI19450
Silene antirrhina
Robert F. Hoover
1947-4-2
6867
San Luis Obispo
Upper Arroyo Grande 6 mi above County park
Comment
OBI19476
Silene coniflora
Robert F. Hoover
1947-3-26
6762
San Luis Obispo
Oak Park district
Comment
OBI19475
Silene coniflora
Robert F. Hoover
1952-5-11
8182
San Luis Obispo
W slope of La Panza Range
Comment
UC767044
Silene invisa
R. F. Hoover
1936-7-3
1473
Tuolumne
Eagle Meadow
Comment
CAS-BOT-BC175191
Silene verecunda
R. F. Hoover
1947-3-26
6745
San Luis Obispo
Price Canyon (just s. of)
Comment
OBI19477
Silene verecunda
Robert F. Hoover
1947-3-26
6745
San Luis Obispo
Price Cyn (just S of)
Comment
UC762949
Sinapis arvensis
Robert F. Hoover
1935-3-29
200
Merced
9 mi w of Los Banos
Comment
UC764838
Sinapis arvensis
R. F. Hoover
1938-4-1
2956
Santa Clara
Morgan Hill
Comment
CAS-BOT-BC75143
Sisymbrium altissimum
R. F. Hoover
1965-9-19
9622
San Luis Obispo
West edge of Carrizo Plain, west of Simmler.
Comment
OBI14959
Sisymbrium altissimum
Robert F. Hoover
1969-7-12
11473
San Luis Obispo
Salinas River bed at Paso Robles
Comment
OBI21084
Sisyrinchium bellum
Robert F. Hoover
1958-5-17
8479
San Luis Obispo
Summit of Santa Lucia Mts. NW of Cuesta Pass
Comment
UC1296300
Smilacina racemosa
R. F. Hoover
1948-5-3
7510
San Luis Obispo
See Canyon
Comment
UC1296301
Smilacina racemosa
R. F. Hoover
1964-5-14
8866
San Luis Obispo
See Canyon
Comment
CAS-BOT-BC157497
Solanum umbelliferum
R. F. Hoover
1963-5-4
8560
San Luis Obispo
Upper Coon Creek, San Luis Range
Comment
NY820642
Solanum umbelliferum
R. F. Hoover
1940-3-23
4281
Kings
Tar Canyon, foothills west of Avenal
Comment
OBI9141
Solanum umbelliferum
Robert F. Hoover
1949-4-21
7605
San Luis Obispo
La Panza district
Comment
UC1315081
Solanum umbelliferum
R. F. Hoover
1967-2-18
10211
San Luis Obispo
San Luis Range, Diablo Canyon Diablo Canyon; San Luis Range, Diablo Canyon
Comment
UC766872
Solanum umbelliferum
R. F. Hoover
1940-3-23
4281
Kings
Foothills w of Avenal (Tar Canyon); Tar Canyon
Comment
CAS-BOT-BC156439
Solanum umbelliferum
R. F. Hoover
1949-4-21
7605
San Luis Obispo
La Panza dist.
Comment
CAS-BOT-BC157495
Solanum umbelliferum
R. F. Hoover
1946-6-16
6158
San Luis Obispo
5 mi. w. of Pozo
Comment
OBI9101
Solanum xanti
Robert F. Hoover
1964-5-13
8830
San Luis Obispo
Santa Rita Crk W of Templeton
Comment
OBI9107
Solanum xanti
Robert F. Hoover
1947-3-26
6756
San Luis Obispo
Oak Park district
Comment
CAS-BOT-BC365336
Solidago confinis
R. F. Hoover
1966-10-1
10097
San Luis Obispo
Upper Arroyo Grande at confluence of Phoenix Creek
Comment
OBI15460
Solidago confinis
Robert F. Hoover
1966-11-2
10194
San Luis Obispo
Baywood Park
Comment
CAS-BOT-BC365738
Solidago spathulata
R. F. Hoover
1964-10-3
9321
San Luis Obispo
Mouth of Coon Creek
Comment
CAS-BOT-BC365112
Solidago velutina subsp. californica
R. F. Hoover
1967-9-5
10836
Placer
Carnelian Bay, Lake Tahoe
Comment
JEPS18737
Soliva sessilis
R. F. Hoover
1936-5-22
1202 a
Shasta
3 mi e Redding
Comment
OBI17382
Spergularia macrotheca
Robert F. Hoover
1967-4-28
10514
Contra Costa
Byron Hot Springs
Comment
CAS-BOT-BC390446
Spergularia macrotheca var. macrotheca
R. F. Hoover
1946-10-5
6461
San Luis Obispo
North end of Morro Bay
Comment
OBI17377
Spergularia marina
Robert F. Hoover
1967-4-12
10422
San Luis Obispo
Upper Arroyo Grande, around salt springs
Comment
JEPS463
Sporobolus airoides
R. F. Hoover
1934-9-15
35
Stanislaus
Crow's Landing
Comment
UC762449
Stachys ajugoides var. ajugoides
R. F. Hoover
1936-5-18
1114
Merced
10 mi w Merced
Comment
UC1392676
Stachys ajugoides var. rigida
R. F. Hoover
1968-4-20
11068
San Luis Obispo
mesa summit s Arroyo de la Cruz
Comment
OBI13488
Stachys albens
Robert F. Hoover
1966-7-13
9908
San Luis Obispo
Wilson Cyn crk about 1 mi above Middle Branch Huerhuero Crk
Comment
SBBG95319
Stachys pycnantha
R. F. Hoover
1947-6-6
7273
San Luis Obispo
Cottonwood Pass, W of summit
Comment
UC762448
Stachys stricta
R. F. Hoover
1938-9-9
3826
Mariposa
2 mi nw Coulterville
Comment
CAS-BOT-BC60944
Stanleya pinnata
R. F. Hoover
1951-4-20
8050
San Luis Obispo
East edge of Carrizo Plain. East of Soda Lake.
Comment
UC1296347
Stanleya pinnata
R. F. Hoover
1946-6-16
6167
San Luis Obispo
on road to McKittrick (e edge Carrizo Plain); e edge Carrizo Plain
Comment
UC1224753
Stebbinsoseris heterocarpa
R. F. Hoover
1948-4-17
7459
San Luis Obispo
Creston
Comment
CAS-BOT-BC174077
Stellaria longipes subsp. longipes
R. F. Hoover
1964-8-14
9266
San Luis Obispo
Jack Lake
Comment
JEPS31314
Stenotus acaulis
Robert F. Hoover
1936-6-29
1422
Alpine
South slope of Bald Peak.
Comment
CAS-BOT-BC375093
Stephanomeria
R. F. Hoover
1946-10-5
6463
San Luis Obispo
North end of Morro Bay
Comment
CAS-BOT-BC213748
Stephanomeria carotifera
R. F. Hoover
1964-7-11
9191
San Luis Obispo
San Bernardo Creek east of Morro Bay
Comment
CAS-BOT-BC375260
Stephanomeria elata
R. F. Hoover
1965-8-1
9501
San Luis Obispo
Valley west of Mt. Bishop
Comment
JEPS35245
Stephanomeria elata
R. F. Hoover
1946-8-8
6278
San Luis Obispo
n end Morro Bay
Comment
UC1224759
Stephanomeria elata
R. F. Hoover
1946-10-5
6463
San Luis Obispo
n end Morro Bay
Comment
CAS-BOT-BC375257
Stephanomeria elata
R. F. Hoover
1946-8-8
6278
San Luis Obispo
North end of Morro Bay on beach or bluff just above it
Comment
RSA223668
Stephanomeria exigua subsp. carotifera
Robert F. Hoover
1965-9-22
9636
San Luis Obispo
San Bernardino Creek east of Morro Bay.
Comment
UC1321345
Stephanomeria exigua subsp. carotifera
R. F. Hoover
1966-9-21
10093
San Luis Obispo
near Pismo Beach; Price Canyon
Comment
CAS-BOT-BC375301
Stephanomeria exigua subsp. carotifera
R. F. Hoover
1964-8-13
9206
San Luis Obispo
Santa Lucia Range. San Bernardo Creek
Comment
JEPS35344
Stephanomeria exigua subsp. carotifera
R. F. Hoover
1964-8-13
9206
San Luis Obispo
San Bernardo Creek, both n and s slopes Santa Lucia Range
Comment
OBI15432
Stephanomeria exigua subsp. carotifera
Robert F. Hoover
1969-9-15
11589
San Luis Obispo
Santa Lucia Range. San Bernardo Crk
Comment
OBI15413
Stephanomeria exigua subsp. coronaria
Robert F. Hoover
1946-6-30
6220
San Luis Obispo
La Panza District
Comment
UC1321237
Stephanomeria exigua subsp. coronaria
R. F. Hoover
1966-9-16
10035
San Luis Obispo
3 mi n Santa Margarita (junction of Carmel Road with Old Highway 101)
Comment
OBI15411
Stephanomeria exigua subsp. coronaria
Robert F. Hoover
1946-9-15
6411
San Luis Obispo
San Juan river crossing on Pozo-Simmler rd
Comment
JEPS35313
Stephanomeria virgata subsp. pleurocarpa
R. F. Hoover
1957-8-28
8399
San Luis Obispo
between Rocky Butte and Pine Mt.
Comment
OBI22253
Stipa coronata
Robert F. Hoover
1947-5-24
7195
San Luis Obispo
Pilitas Crk district
Comment
OBI22265
Stipa lepida
Robert F. Hoover
1937-5-16
2156
Mariposa
2 mi W of Coulterville
Comment
OBI22266
Stipa lepida
Robert F. Hoover
1964-5-11
8776
San Luis Obispo
Rd to Hi Mtn from Pozo-Arroyo Grande summit
Comment
OBI22267
Stipa lepida
Robert F. Hoover
1952-5-11
8176
San Luis Obispo
W slope of La Panza Range
Comment
OBI14943
Streptanthella longirostris
Robert F. Hoover
1968-3-24
10948
San Bernardino
6 mi N of Barstow
Comment
UC764867
Streptanthus breweri var. hesperidis
R. F. Hoover
1938-6-11
3602
Napa
Knoxville ridge
Comment
UC596387
Streptanthus hesperidis
R. F. Hoover
1938-6-11
3602
Napa
Knoxville ridge
Comment
CAS-BOT-BC87472
Streptanthus polygaloides
Robert F. Hoover
1967-6-16
10636
Tuolumne
3 miles south of Chinese Camp.
Comment
UC764953
Streptanthus tortuosus
R. F. Hoover
1938-5-9
3383
Tuolumne
mouth Moccasin Creek
Comment
UC1284940
Stylocline gnaphaloides
R. F. Hoover
1947-3-26
6748
San Luis Obispo
just s Price Canyon
Comment
UC596463
Suaeda moquinii
R. F. Hoover
1934-10-20
118
Stanislaus
10 mi s Modesto
Comment
OBI17176
Suaeda nigra
Robert F. Hoover
1946-9-15
6417
San Luis Obispo
1 mi S of Simmler, Carrizo Plain
Comment
OBI17177
Suaeda taxifolia
Robert F. Hoover
1967-11-25
10886
Santa Barbara
Point Sal Beach
Comment
JEPS46356
Swertia albicaulis var. nitida
R. F. Hoover
1936-5-21
1190
Shasta
Redding
Comment
OBI17006
Symphyotrichum chilense
Robert F. Hoover
1965-9-29
9675
San Luis Obispo
Tassajera Crk
Comment
OBI17007
Symphyotrichum chilense
Robert F. Hoover
1946-10-2
6454
San Luis Obispo
Calif Polytechnic campus, San Luis Obispo
Comment
UCSB22836
Symphyotrichum spathulatum
Hoover, Robert
1938-8-16
Mariposa
Peregoy Meadow
Comment
OBI8731
Tauschia arguta
Robert F. Hoover
1947-5-31
7240
San Luis Obispo
Pine Mtn of La Panza range
Comment
OBI8737
Tauschia hartwegii
Robert F. Hoover
1964-4-13
8696
San Luis Obispo
Two mi S of Atascadero, W of hwy 101, near base of shale hill
Comment
OBI14858
Thysanocarpus curvipes subsp. curvipes
Robert F. Hoover
1947-3-29
6804
San Luis Obispo
5 mi E of Creston on La Panza Rd
Comment
UC59604
Thysanocarpus radians
R. F. Hoover
1936-3-17
759
Stanislaus
La Grange
Comment
OBI20468
Toxicodendron diversilobum
Robert F. Hoover
1962-2-22
8531
San Luis Obispo
Oak Park district
Comment
OBI13427
Trichostema lanceolatum
Robert F. Hoover
1965-9-19
9613
San Luis Obispo
La Panza district
Comment
OBI13425
Trichostema lanceolatum
Robert F. Hoover
1947-9-19
7401
San Luis Obispo
Upper Salinas River 3 mi SE of Pozo
Comment
OBI13426
Trichostema lanceolatum
Robert F. Hoover
1947-9-19
7401
San Luis Obispo
Upper Salinas River 3 mi SE of Pozo
Comment
UC762794
Trichostema laxum
R. F. Hoover
1942-7-13
5917
Sonoma
3 mi S of Monte Rio
Comment
UCLA54887
Trichostema laxum
Robert F. Hoover
1942-7-13
5917
Sonoma
3 mi S of Monte Rio
Comment
CAS-BOT-BC220868
Trichostema ovatum
Robert F. Hoover
1937-6-30
2589
Fresno
Kerman
Comment
JEPS63173
Trichostema ovatum
R. F. Hoover
1937-7-29
2641
Kings
near Avenal (Kettleman Hills)
Comment
UC596158
Trichostema ovatum
R. F. Hoover
1937-7-29
2641
Kings
near Avenal (Kettleman Hills)
Comment
UCLA54775
Trichostema ovatum
R. F. Hoover
1937-7-29
2641
Kings
near Avenal (Kettleman Hills)
Comment
CAS-BOT-BC220963
Trichostema rubisepalum
R. F. Hoover
1937-9-3
2716
Tuolumne
2 mi. s. of Chinese Camp
Comment
CAS-BOT-BC220964
Trichostema rubisepalum
Robert F. Hoover
1938-6-19
3615
Tuolumne
One and one-half miles southwest of Chinese Camp
Comment
UC764692
Trifolium albopurpureum
R. F. Hoover
1941-5-11
5024
Lake
s Kelseyville (low hills)
Comment
OBI12711
Trifolium barbigerum
Robert F. Hoover
1965-5-22
9401
San Luis Obispo
Cambria, N of town
Comment
UC596560
Trifolium barbigerum
R. F. Hoover
1938-5-2
3337
Alameda
Livermore
Comment
UC762706
Trifolium barbigerum
R. F. Hoover
1946-4-27
6089
San Luis Obispo
Price Canyon
Comment
UC764678
Trifolium barbigerum
R. F. Hoover
1941-3-25
4828
Tuolumne
head of Owl Creek
Comment
UC596544
Trifolium ciliolatum
R. F. Hoover
1935-4-12
485
Stanislaus
4 mi s Oakdale
Comment
UC764652
Trifolium ciliolatum
Robert F. Hoover
1935-5-14
571
Stanislaus
Modesto
Comment
UC764679
Trifolium fucatum
R. F. Hoover
1941-4-12
4837
Contra Costa
1 mi n Lone Tree Valley
Comment
UC596542
Trifolium gracilentum
R. F. Hoover
1935-3-28
385
Stanislaus
10 mi w Modesto
Comment
UC764724
Trifolium longipes var. hansenii
Robert F. Hoover
1936-7-14
1541
Tuolumne
Eagle Meadow
Comment
OBI12660
Trifolium microcephalum
Robert F. Hoover
1947-3-29
6793
San Luis Obispo
Creston (1 mi from, on Shandon rd)
Comment
OBI12634
Trifolium variegatum
Robert F. Hoover
1965-5-22
9384
San Luis Obispo
Cambria
Comment
UC1181548
Trifolium variegatum
R. F. Hoover
1936-5-21
1177
Tehama
5 mi s Cottonwood
Comment
OBI75559
Trifolium variegatum var. major
Robert F. Hoover
1967-4-12
10421
San Luis Obispo
Upper Arroyo Grande
Comment
UC764719
Trifolium variegatum var. melananthum
R. F. Hoover
1937-5-6
2088
Stanislaus
Montspellier
Comment
UC764722
Trifolium willdenovii
R. F. Hoover
1937-5-6
2081
San Joaquin
5 mi se Stockton
Comment
OBI12644
Trifolium willdenovii
R. L. Hoover
1968-4-20
47
Napa
On Howell Mtn rd, 2.6 mi NE of State Rte 29/128, on W side of rd
Comment
CAS-BOT-BC520866
Trillium angustipetalum
R. F. Hoover
1967-3-5
10235
San Luis Obispo
Lower part of Lopez Canyon
Comment
JEPS10401
Triphysaria eriantha subsp. eriantha
R. F. Hoover
1940-3-23
4285
Merced
12 mi s Merced; s of Merced
Comment
JEPS10675
Triphysaria eriantha subsp. eriantha
R. F. Hoover
1939-3-19
3926
Fresno
Piedra
Comment
UC596331
Triphysaria eriantha subsp. eriantha
R. F. Hoover
1935-2-9
219
Stanislaus
10 mi s Modesto
Comment
JEPS4531
Triphysaria floribunda
R. F. Hoover
1941-5-12
5052
Marin
on Point Reyes road w Inverness Ridge; on Point Reyes road w of Inverness Ridge
Comment
JEPS35065
Triphysaria micrantha
R. F. Hoover
1958-4-11
8442
San Luis Obispo
on La Panza Road 18 mi e Creston
Comment
OBI9354
Triphysaria pusilla
Robert F. Hoover
1965-5-22
9387
San Luis Obispo
Cambria
Comment
CAS-BOT-BC521305
Triteleia bridgesii
R. F. Hoover
1954-4-16
8337
Kern
8 miles W of Weldon, South Fork of Kern River
Comment
UCD139359
Triteleia crocea
R. F. Hoover
1954-4-16
8337
Kern
8 miles west of Weldon, South Fork of Kern River.
Comment Read comments Jul 16 2018
UC1296362
Triteleia hyacinthina
R. F. Hoover
1956-4-21
8366
Tuolumne
2 mi n Chinese Camp
Comment
CAS-BOT-BC523033
Triteleia hyacinthina
R. F. Hoover
1939-7-24
4159
Tuolumne
Brightman Flat
Comment
CAS-BOT-BC523034
Triteleia hyacinthina
R. F. Hoover
1956-4-21
8366
Tuolumne
2mi w of Chinese Camp
Comment
OBI75696
Triteleia ixioides
Robert F. Hoover
1950-6-21
8010
San Luis Obispo
Between Rocky Butte and Pine Mt, Santa Lucia Mts
Comment
LA22001
Triteleia ixioides subsp. anilina
W. B. C. after 1939 material so determined by Robert Hoover;
1938-7-15
11238
Siskiyou
Mount Shasta, Wagon Camp meadow
1737
Comment
UC765952
Triteleia ixioides subsp. ixioides
R. F. Hoover
1941-5-20
5113
San Mateo
near Martin Creek (on grade above Portola on La Honda road)
Comment
CAS-BOT-BC524329
Triteleia ixioides subsp. ixioides
R. F. Hoover
1964-6-12
9082
San Luis Obispo
Road from North Fork San Simeon Creek to Rocky Butte.
Comment
UC1392775
Triteleia lugens
R. F. Hoover
1969-5-16
11308
San Benito
Gloria Rd Brickmore Canyon
Comment
OBI14841
Tropidocarpum gracile
Robert F. Hoover
1967-4-5
10355
San Luis Obispo
Between San Juan river and Carrizo Plain on hwy 58
Comment
RSA212269
Tropidocarpum gracile
Robert F. Hoover
1967-3-5
10243
San Luis Obispo
Upper Arroyo Grande.
Comment
CAS-BOT-BC199786
Tuctoria greenei
R. F. Hoover
1937-5-27
2303
Merced
2 mi. ne. of Planada
Comment
CAS-BOT-BC199789
Tuctoria greenei
R. F. Hoover
1938-7-10
3625
Stanislaus
12 miles east of Waterford
Comment
GH341028
Tuctoria greenei
R. F. Hoover
1936-4-4
1302
Unknown
Farmington, San Joaquin Co.
Comment Read comments Apr 4 2019
GH341031
Tuctoria greenei
R. F. Hoover
1936-5-29
1251
Unknown
8 mi. north of Madera, Madera Co.
Comment Read comments Apr 4 2019
GH341033
Tuctoria greenei
R. F. Hoover
1936-5-29
1251
Unknown
8 mi. north of Madera, Madera Co.
Comment Read comments Apr 4 2019
RSA19030
Tuctoria greenei
Robert F. Hoover
1936-5-29
1255
Merced
5 miles SE of Le Grand
Comment
UC1285012
Turricula parryi
R. F. Hoover
1949-8-21
7755
San Luis Obispo
La Panza District
Comment
CAS-BOT-BC91085
Umbellularia californica
R. F. Hoover
1965-10-16
9721
Butte
Deer Creek Road east of Chico.
Comment
OBI8717
Urtica urens
Robert F. Hoover
1947-2-23
6621
San Luis Obispo
Upper Arroyo Grande 6 mi above County park
Comment
OBI14428
Vaccinium ovatum
Robert F. Hoover
1947-2-10
6613
San Luis Obispo
Price Cyn
Comment
UC767060
Verbena bracteata
R. F. Hoover
1934-10-20
94
Stanislaus
15 mi e Modesto
Comment
UC1213708
Verbena californica
R. F. Hoover
1938-9-30
3870
Tuolumne
3 mi n Keystone; ; N of Keystone, Tuolumne Co.
Comment
OBI8660
Verbena lasiostachys
Robert F. Hoover
1969-7-3
11407
San Luis Obispo
Salinas River bed at Paso Robles
Comment
OBI8670
Verbena lasiostachys
Robert F. Hoover
1966-5-17
9864
San Luis Obispo
Indian Knob Ridge
Comment
JEPS39037
Verbena litoralis
R. F. Hoover
1934-10-20
93
Stanislaus
Modesto
Comment
JEPS7435
Veronica anagallis-aquatica
R. F. Hoover
1946-9-14
6377
San Luis Obispo
Trout Creek near Santa Margarita; Trout Creek
Comment
JEPS7436
Veronica anagallis-aquatica
R. F. Hoover
1947-5-2
7115
San Luis Obispo
Atascadero
Comment
OBI9210
Veronica persica
Robert F. Hoover
1969-7-12
11447
San Luis Obispo
Salinas River at Paso Robles
Comment
OBI12613
Vicia sativa
Robert F. Hoover
1947-4-13
6929
San Luis Obispo
Los Osos Valley
Comment
CAS-BOT-BC199840
Vulpia bromoides
R. F. Hoover
1964-4-14
8718
San Luis Obispo
San Luis Obispo
Comment
UC766886
Vulpia microstachys var. ciliata
R. F. Hoover
1939-4-10
3978
Fresno
Piedra
Comment
CAS-BOT-BC184208
Vulpia microstachys var. pauciflora
R. F. Hoover
1936-3-21
826
Fresno
Little Panoche Wash, w. Fresno Co.
Comment
UC1153407
Vulpia microstachys var. pauciflora
R. F. Hoover
1952-4-10
8097
San Luis Obispo
9 mi e Creston
Comment
UC766887
Vulpia microstachys var. pauciflora
R. F. Hoover
1937-4-10
1772
Fresno
Kerman
Comment
CAS-BOT-BC184525
Vulpia microstachys var. pauciflora
R. F. Hoover
1966-4-20
9818
San Luis Obispo
East of Atascadero on Creston road, on grade east of Salinas River
Comment
UC1153409
Vulpia microstachys var. pauciflora
R. F. Hoover
1952-4-20
8128
San Luis Obispo
low hills near ne end Elkhorn Plain (w base of Temblor Range); Temblor Range
Comment
UC766812
Vulpia octoflora var. hirtella
R. F. Hoover
1939-4-13
4021 a
Contra Costa
w branch Head of Markley Canyon
Comment
CAS-BOT-BC383286
Wyethia angustifolia
R. F. Hoover
1963-7-24
8578
Tuolumne
Miwuk Village
Comment
JEPS32065
Wyethia angustifolia
R. F. Hoover
1938-5-29
3528
Madera
Fresno Flats
Comment
CAS-BOT-BC383313
Wyethia glabra
R. F. Hoover
1959-5-9
8499
San Luis Obispo
4 miles west of Paso Robles on road to Adelaida
Comment
OBI15340
Wyethia glabra
Robert F. Hoover
1959-5-9
8499
San Luis Obispo
4 mi W of Paso Robles on rd to Adelaida
Comment
UC761893
Wyethia mollis
R. F. Hoover
1938-7-18
3680
Tuolumne
Relief Station
Comment
OBI37299
Xylorhiza tortifolia var. tortifolia
D. A. Hoover
1985-4-11
292
San Bernardino
Upper end of the Desert Wash Trail; Morongo Canyon, SE Morongo Valley
777
Comment
CAS-BOT-BC456124
Zannichellia palustris
R. F. Hoover
1946-11-2
6546
San Luis Obispo
West side of Cottonwood Pass
Comment
OBI23320
Zeltnera exaltata
Robert F. Hoover
1969-7-12
11436
San Luis Obispo
Paso Robles
Comment
OBI14125
Zeltnera exaltata
Robert F. Hoover
1947-5-31
7243
San Luis Obispo
Mariana Crk, E side of La Panza Range
Comment
OBI14127
Zeltnera exaltata
Robert F. Hoover
1966-7-13
9909
San Luis Obispo
Wilson Cyn crk about 1 mi S of Middle Branch Huerhuero Crk
Comment
UC1296329
Zigadenus brevibracteatus
R. F. Hoover
1947-3-23
6723
San Luis Obispo
La Panza District
Comment
CAS-BOT-BC531888
Zigadenus fremontii
R. F. Hoover
1968-3-9
10900
San Luis Obispo
Pennington Creek
Comment
UC1181557
Zigadenus micranthus var. micranthus
Robert F. Hoover
1941-5-2
4976
Lake
near Adams Springs
Comment
UC765924
Zigadenus micranthus var. micranthus
R. F. Hoover
1939-4-18
4041
Sonoma
Occidental
Comment
CAS-BOT-BC527216
Zigadenus paniculatus
R. F. Hoover
1947-4-20
6975
San Luis Obispo
Near El Dorado School
Comment
RSA43130
Zigadenus venenosus var. venenosus
Robert F. Hoover
1947-5-31
7245
San Luis Obispo
Mariana Creek, east side of La Panza Range
Comment