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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
OBI12232
Abronia latifolia
Robert F. Hoover
1947-7-26
7326
San Luis Obispo
Piedras Blancas Point
Comment
OBI12216
Abronia pogonantha
Robert F. Hoover
1947-5-10
7153
San Luis Obispo
Cuyama Valley, E of river bridge on main hwy
Comment
UC1285088
Abronia pogonantha
R. F. Hoover
1952-5-6
8154
San Luis Obispo
6 mi e Creston (on la Panza road)
Comment
CAS-BOT-BC229432
Abronia umbellata
R. F. Hoover
1946-7-24
6248
San Luis Obispo
South end of Morro Bay, on sandhills just back of beach
Comment
UC761787
Acanthomintha duttonii
R. F. Hoover
1941-5-20
5110
San Mateo
Redwood City
Comment
UC1392779
Acanthomintha lanceolata
R. F. Hoover
1937-7-17
11343
Stanislaus
Upper Del Puerto Canyon
Comment
LA55126
Acanthomintha lanceolata
Robert F. Hoover;
1938-5-8
3367
Stanislaus
Del Puerto Canyon
Comment
UC1285259
Acanthomintha obovata subsp. cordata
R. F. Hoover
1950-4-30
7862
San Luis Obispo
La Panza District La Panza; La Panza District
Comment
CAS-BOT-BC210605
Achnatherum coronatum
R. F. Hoover
1947-5-24
7175
San Luis Obispo
Pilitas Creek district
Comment
UC767654
Achnatherum occidentale subsp. pubescens
R. F. Hoover
1936-6-18
1307
Alpine
Douglas Station
Comment
UC769939
Achnatherum pinetorum
R. F. Hoover
1941-7-5
5443
Mono
Hot Creek below Fales Hot Springs; Hot Creek
Comment
SEINET196125
Achnatherum webberi
R. F. Hoover
1941-7-25
5532
Tuolumne
Rocky hill W of Upper Relief Valley
Comment
UCD51305
Achnatherum webberi
R. F. Hoover
1941-7-25
5532
Tuolumne
W of Upper Relief Valley.
Comment
JEPS36751
Achyrachaena mollis
R. F. Hoover
1937-4-23
1920
San Joaquin
7 mi e Stockton
Comment
OBI13042
Acmispon americanus var. americanus
Robert F. Hoover
1965-8-27
9509
Stanislaus
12 mi E of Waterford
Comment
OBI13048
Acmispon americanus var. americanus
Robert F. Hoover
1969-9-9
11579
San Luis Obispo
Santa Lucia Range. 4 mi W of Paso robles on rd to Nacimiento Dam
Comment
OBI13188
Acmispon brachycarpus
Robert F. Hoover
1964-5-11
8784
San Luis Obispo
Rd to Hi Mtn from Pozo-Arroyo Grande summit
Comment
OBI12979
Acmispon glaber var. glaber
Robert F. Hoover
1964-9-21
9309
San Luis Obispo
Price Cyn
Comment
OBI12983
Acmispon glaber var. glaber
Robert F. Hoover
1964-6-6
8968
San Luis Obispo
Los Osos
Comment
OBI13008
Acmispon glaber var. glaber
Robert F. Hoover
1966-4-20
9827
San Luis Obispo
5 mi E of Creston on La Panza rd
Comment
OBI13041
Acmispon rigidus
Robert F. Hoover
1969-4-13
11222
San Bernardino
Joshua Tree
Comment
OBI13028
Acmispon strigosus
Robert F. Hoover
1967-3-5
10242
San Luis Obispo
Upper Arroyo Grande
Comment
OBI15584
Acourtia microcephala
Robert F. Hoover
1946-8-17
6286 c
San Luis Obispo
Arroyo Grande Crk below jctn of Lopez Cyn
Comment
CAS-BOT-BC29912
Acroptilon repens
R. F. Hoover
1969-7-13
11466
San Luis Obispo
Atascadero
Comment
CAS-BOT-BC29916
Acroptilon repens
R. F. Hoover
1946-8-24
6330
San Luis Obispo
Near Laguna, San Luis Valley
Comment
OBI1086
Adiantum capillus-veneris
R. F. Hoover
1947-8-17
7385
San Luis Obispo
Just north of San Carpoforo Creek, on wet rocky cliffs near ocean
Comment
OBI13984
Aesculus californica
Robert F. Hoover
1964-6-22
9115
Monterey
Monterey-Salinas hwy near jctn of San Benacio rd
Comment
OBI13690
Agastache urticifolia
Robert F. Hoover
1946-8-3
6257
San Luis Obispo
Upper Coon Crk, San Luis Range
Comment
CAS-BOT-BC22727
Agoseris grandiflora var. grandiflora
R. F. Hoover
1949-5-16
7700
San Luis Obispo
Poly Canyon, San Luis Obispo
Comment
OBI17118
Agoseris grandiflora var. grandiflora
Robert F. Hoover
1946-8-3
6255
San Luis Obispo
Upper Coon crk
Comment
UC1224750
Agoseris grandiflora var. grandiflora
R. F. Hoover
1949-5-16
7700
San Luis Obispo
Poly Canyon Poly Canyon
Comment
JEPS66555
Agoseris heterophylla var. heterophylla
R. F. Hoover
1936-4-10
908
Fresno
Pinedale
Comment
JEPS35311
Agoseris retrorsa
R. F. Hoover
1952-5-25
8221
San Luis Obispo
on summit ridge Caliente Mt.
Comment
UC1109307
Agrostis densiflora
R. F. Hoover
1953-5-7
8293
San Luis Obispo
coast w Cambria (on ocean bluff)
Comment
UC766832
Agrostis elliottiana
R. F. Hoover
1942-5-20
5872
Shasta
7 mi n Redding
Comment
CAS-BOT-BC127032
Agrostis exarata
R. F. Hoover
1947-5-25
7220
San Luis Obispo
Cambria.
Comment
OBI22544
Agrostis exarata
Robert F. Hoover
1950-6-21
8030
San Luis Obispo
San Simeon Crk just below forks
Comment
OBI22546
Agrostis exarata
Robert F. Hoover
1948-5-5
7523
San Luis Obispo
Oak Park district
Comment
OBI22553
Agrostis exarata
Robert F. Hoover
1966-7-17
9415
Sonoma
Sausal Crk N of Alexander Valley
Comment
OBI22566
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
UC766923
Agrostis exarata
Robert F. Hoover
1941-6-1
5293
Amador
4 mi s Ione
Comment
RSA201536
Agrostis hooveri
Robert F. Hoover
1964-6-5
8923
San Luis Obispo
Ridge southeast of Cuesta Pass
Comment
UC1153394
Agrostis hooveri
R. F. Hoover
1948-6-29
7547
Santa Barbara
n side Orcutt Grade; Purisima Hills
Comment
CAS-BOT-BC139373
Agrostis hooveri
R. F. Hoover
1947-7-16
7307
San Luis Obispo
Price Canyon.
Comment
CAS-BOT-BC139375
Agrostis hooveri
R. F. Hoover
1969-6-5
11367
San Luis Obispo
Oak Park District, Arroyo Grande.
Comment
OBI22533
Agrostis hooveri
Robert F. Hoover
1969-6-5
11367
San Luis Obispo
Oak Park district, Arroyo Grande
Comment
RSA0000395
Agrostis hooveri
Robert F. Hoover
1948-6-29
7549
San Luis Obispo
Summit on road between Arroyo Grande and Huasma District.
Comment
RSA216715
Agrostis hooveri
Robert F. Hoover
1969-6-5
11367
San Luis Obispo
Oak Park district, Arroya Grande.
Comment
CAS-BOT-BC138915
Agrostis pallens
R. F. Hoover
1965-6-29
9477
Sonoma
North of summit on Harrison Grade road near Occidental.
Comment
OBI4949
Agrostis pallens
Robert F. Hoover
1947-7-16
7306
San Luis Obispo
Price Cyn
Comment
UC766883
Agrostis viridis
R. F. Hoover
1940-9-1
4548
San Mateo
La Honda summit La Honda
Comment
UC771716
Agrostis viridis
R. F. Hoover
1946-10-2
6458
San Luis Obispo
Cal. Poly. State campus San Luis Obispo
Comment
UC1296208
Alisma plantago-aquatica
R. F. Hoover
1964-8-13
9241
San Luis Obispo
Mouth of Osos Creek
Comment
CAS-BOT-BC445456
Alisma triviale
R. F. Hoover
1964-8-13
9241
San Luis Obispo
Mouth of Osos Creek
Comment
UC766742
Allium crispum
R. F. Hoover
1941-4-18
4850
San Joaquin
lower end of Corral Hollow Corral Hollow
Comment
OBI21217
Allium diabolense
Robert F. Hoover
1964-5-11
8774
San Luis Obispo
Road to Hi Mtn from Pozo-Arroyo Grande summit
Comment
CAS-BOT-BC470932
Allium howellii var. howellii
R. F. Hoover
1947-4-4
6889
San Luis Obispo
West side of Cottonwood Pass.
Comment
OBI21235
Allium lacunosum var. lacunosum
Robert F. Hoover
1969-6-23
11385
San Luis Obispo
San Luis Obispo, end of Lawrence Dr
Comment
OBI21240
Allium peninsulare var. peninsulare
Robert F. Hoover
1950-6-2
7967
San Luis Obispo
Trl from Stony Crk to Colwell Mesa
Comment
UC766748
Allium serra
R. F. Hoover
1938-4-27
3267
Santa Clara
Guadalupe Creek
Comment
UC766761
Allium serra
R. F. Hoover
1936-3-18
792
Stanislaus
8 mi e Oakdale; Haystack Hill
Comment
UC767478
Allium serra
R. F. Hoover
1938-3-20
2891
Merced
Gypsum hills 10 mi s Los Banos
Comment
CAS-BOT-BC476697
Allium unifolium
R. F. Hoover
1964-6-13
9086
San Luis Obispo
Coast 1 mile south of San Carpoforo Creek
Comment
UC762360
Alnus incana subsp. tenuifolia
R. F. Hoover
1938-7-19
3689
Tuolumne
Brightman Flat
Comment
UC768585
Alopecurus saccatus
R. F. Hoover
1937-4-23
1939
Stanislaus
Woodward Reservoir n. of Oakdale
Comment
UC596421
Amaranthus albus
R. F. Hoover
1934-10-21
100
Stanislaus
Modesto
Comment
UC596422
Amaranthus californicus
R. F. Hoover
1937-9-4
2718
San Joaquin
3 mi e Farmington
Comment
OBI17112
Ambrosia acanthicarpa
Robert F. Hoover
1966-9-12
9981
San Luis Obispo
Bed of Santa Maria River n of Santa Maria
Comment
OBI17103
Ambrosia dumosa
Robert F. Hoover
1969-4-11
11219
Riverside
Mouth of Morongo Valley cyn
Comment
CAS-BOT-BC55574
Ambrosia psilostachya
R. F. Hoover
1966-9-16
10040
San Luis Obispo
3 mi. n. of Santa Margarita
Comment
CAS-BOT-BC273096
Ambrosia salsola
R. F. Hoover
1947-5-10
7155
San Luis Obispo
Cuyama Valley (eastern part)
Comment
OBI16019
Ambrosia salsola
Robert F. Hoover
1947-5-10
7155
San Luis Obispo
Cuyama Valley (eastern part)
Comment
SFV9294
Ambrosia salsola
D. H. Hoover
1968-3-23
68 43A
Riverside
Colorado Desert Morongo Valley. North of Palm Springs area.
Comment
UC1315023
Ambrosia salsola
R. F. Hoover
1967-4-16
10485
San Luis Obispo
near n end Elkhorn Plain (canyon in Temblor Range); Temblor Range, Elkhorn Plain
Comment
UC761840
Ambrosia salsola
R. F. Hoover
1941-3-23
4803
Kern
4 mi ne Taft
Comment
OBI13393
Amorpha californica
Robert F. Hoover
1965-6-4
9415
San Luis Obispo
Salinas River bridge E of Santa Margarita
Comment
GH424660
Amsinckia
R. F. Hoover
1937-4-3
1747
Unknown
Lower end of Corral Hollow
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
UC1315015
Amsinckia douglasiana
R. F. Hoover
1967-4-22
10500
Monterey
Lower Paloma Creek
Comment
GH424600
Amsinckia douglasiana
R. F. Hoover
1938-3-20
2875
Unknown
7 mi. s. of Los Banos
Comment
GH403897
Amsinckia eastwoodiae
R. F. Hoover
1938-4-24
3247
Unknown
3 mi. n. of Chico
Comment
UC764748
Amsinckia eastwoodiae
R. F. Hoover
1935-3-1
232
San Joaquin
Vernalis
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
UC762195
Amsinckia intermedia
R. F. Hoover
1937-3-25
1648
Stanislaus
Crow's Landing
Comment
UC762105
Amsinckia lunaris
R. F. Hoover
1939-5-20
4105
Contra Costa
lower end of San Pablo Resevoir
Comment
UC766302
Amsinckia menziesii var. menziesii
R. F. Hoover
1946-3-30
6040
Kings
Kettleman Hills
Comment
OBI20673
Amsinckia tessellata
Robert F. Hoover
1949-4-21
7629
San Luis Obispo
Near Fernandez Crk on La Panza - creston rd
Comment
UC762805
Amsinckia tessellata var. gloriosa
R. F. Hoover
1937-4-3
1735
San Joaquin
Tracy
Comment
UC762819
Amsinckia tessellata var. gloriosa
R. F. Hoover
1935-3-29
422
Fresno
Little Panoche wash Little Panoche
Comment
JEPS25509
Amsinckia tessellata var. tessellata
R. F. Hoover
1938-3-25
2894
Contra Costa
Markley Canyon
Comment
OBI20689
Amsinckia vernicosa
Robert F. Hoover
1950-4-2
7782
San Luis Obispo
W branch of Fernandez Crk, just above La Panza - Creston rd
Comment
UC596208
Amsinckia vernicosa var. vernicosa
R. F. Hoover
1938-4-2
2972
Monterey
Lower Paloma Creek Canyon
Comment
UC765645
Amsinckia vernicosa var. vernicosa
R. F. Hoover
1935-3-29
408
Fresno
Little Panoche Creek
Comment
UC766362
Androsace elongata subsp. acuta
R. F. Hoover
1937-4-3
1748
Alameda
upper end Corral Hollow; upper end Corral Hollow
Comment
UC762910
Anelsonia eurycarpa
R. F. Hoover
1941-7-29
5558
Mono
Mount Patterson; Sweetwater Mountains, Mount Patterson
Comment
UC762521
Anisocarpus madioides
R. F. Hoover
1941-5-8
5000
Marin
Woodacre
Comment
UC762010
Antennaria argentea
R. F. Hoover
1941-7-17
5486
Tuolumne
n side of Pigeon Flat
Comment
JEPS13327
Anthemis cotula
R. F. Hoover
1935-5-24
577
Stanislaus
Modesto
Comment
JEPS5262
Antirrhinum cornutum
R. F. Hoover
1938-6-10
3584
Glenn
Walker Creek; at state highway crossing
Comment
JEPS7409
Antirrhinum ovatum
R. F. Hoover
1952-11-2
8277
San Luis Obispo
Caliente Mt.
Comment
UC766341
Antirrhinum vexillocalyculatum subsp. breweri
R. F. Hoover
1938-6-9
3567
Lake
Bartlett Mountain
Comment
JEPS5336
Antirrhinum vexillocalyculatum subsp. intermedium
R. F. Hoover
1937-6-3
2383
Tuolumne
2 mi s Chinese Camp
Comment
UC766342
Antirrhinum vexillocalyculatum subsp. intermedium
R. F. Hoover
1937-6-15
2446
Tuolumne
3 mi s Chinese Camp
Comment
UC764003
Aphanes occidentalis
Robert F. Hoover
1935-3-1
244
San Joaquin
5 mi sw Ripon
Comment
OBI9025
Apiastrum angustifolium
Robert F. Hoover
1952-5-11
8175
San Luis Obispo
W sloep of la Panza range, where swept by fire last summer
Comment
OBI10691
Aquilegia eximia
Robert F. Hoover
1957-8-28
8406
San Luis Obispo
San Simeon crk just below forks
Comment
OBI10692
Aquilegia eximia
Robert F. Hoover
1950-6-21
8027
San Luis Obispo
San Simeon crk just below forks
Comment
UC765744
Aquilegia eximia
R. F. Hoover
1937-7-17
2632
Stanislaus
Upper Del Puerto Canyon
Comment
UC765746
Aquilegia formosa
R. F. Hoover
1939-7-21
4134
Tuolumne
n side Pigeon Flat
Comment
UC764610
Arabis glabra
R. F. Hoover
1938-3-2
2811
San Francisco
Twin Peaks
Comment
CAS-BOT-BC24197
Arctostaphylos
R. F. Hoover
1947-2-10
6614
San Luis Obispo
Price Canyon on shaded slope of sandstone hill with Vaccinium and A. pitosula.
Comment
UC1276275
Arctostaphylos
R. F. Hoover
1964-5-15
8895
San Luis Obispo
Pine Top Mt.
Comment
GH350045
Arctostaphylos andersonii
R. F. Hoover
1939-3-3
3899
Unknown
Kings Mountain
Comment
CAS-BOT-BC25323
Arctostaphylos bakeri
R. F. Hoover
1968-2-23
10893
Sonoma
Graton-Occidental road.
Comment
OBI14769
Arctostaphylos bakeri
Robert F. Hoover
1968-2-23
10896
Sonoma
Harrison Grade road near summit
Comment
CAS-BOT-BC23526
Arctostaphylos crustacea
R. F. Hoover
1946-12-15
6575
San Luis Obispo
Upper Coon Creek, San Luis Range
Comment
OBI14757
Arctostaphylos crustacea
Robert F. Hoover
1962-3-23
8542
Santa Cruz
Santa Cruz Mts. W of summit on hwy 17
Comment
CAS-BOT-BC25175
Arctostaphylos crustacea subsp. crinita
R. F. Hoover
1947-3-8
6649
San Luis Obispo
Cambria
Comment
CAS-BOT-BC25039
Arctostaphylos cruzensis
R. F. Hoover
1964-3-26
8656
San Luis Obispo
Hill just S of Arroyo de la Cruz
Comment
OBI14737
Arctostaphylos cruzensis
Robert F. Hoover
1950-1-15
7762
San Luis Obispo
Mouth of Arroyo de la Cruz (just S of)
Comment
RSA201647
Arctostaphylos cruzensis
Robert F. Hoover
1950-1-15
7761
San Luis Obispo
Mouth of Arroyo de la Cruz (just south of),
Comment
UC1276216
Arctostaphylos cruzensis
R. F. Hoover
1950-1-15
7761
San Luis Obispo
just s mouth of Arroyo de la Cruz (on hill top)
Comment
OBI14749
Arctostaphylos densiflora
Robert F. Hoover
1962-3-23
8540
Contra Costa
cultivated in Tilden Park Botanic Garden. Propagated from near Vine HIll School, Sonoma co.
Comment
CAS-BOT-BC23312
Arctostaphylos glandulosa subsp. cushingiana
R. F. Hoover
1963-10-26
8608
San Luis Obispo
Trail to Machesna Mt., La Panza Range
Comment
CAS-BOT-BC23313
Arctostaphylos glandulosa subsp. cushingiana
R. F. Hoover
1963-10-26
8609
San Luis Obispo
Trail to Machesna Mt., La Panza Range
Comment
CAS-BOT-BC24807
Arctostaphylos glandulosa subsp. cushingiana
R. F. Hoover
1946-11-16
6551
San Luis Obispo
Upper Arroyo Grande, at top of ridge opposite County Park.
Comment
CAS-BOT-BC24873
Arctostaphylos glandulosa subsp. cushingiana
R. F. Hoover
1946-11-16
6551
San Luis Obispo
Upper Arroyo Grande, at top of ridge apposite County Park.
Comment
OBI14709
Arctostaphylos glandulosa subsp. cushingiana
Robert F. Hoover
1965-2-28
9333
San Luis Obispo
Trail to Cerro Alto from Cerro Alto Camp
Comment
SD71282
Arctostaphylos glandulosa subsp. cushingiana
R. F. Hoover
1965-9-15
9554
San Luis Obispo
Summit on Pozo-Grande road.
Comment
OBI14715
Arctostaphylos glandulosa subsp. glandulosa
Robert F. Hoover
1964-4-8
8669
Marin
Bootjack camp (just E of) south slope of Mt. Tamalpais
Comment
CAS-BOT-BC39212
Arctostaphylos glauca
R. F. Hoover
1946-11-16
6555
San Luis Obispo
Upper Arroyo Grande, 5 mi above County Park
Comment
OBI14729
Arctostaphylos glauca
Robert F. Hoover
1947-1-5
6587
San Luis Obispo
La Panza Range, on trail from summit of road to Pine Mt.
Comment
RSA43162
Arctostaphylos glauca
Robert F. Hoover
1946-11-16
6555
San Luis Obispo
Upper Arroyo Grande, 5 mi. above County Park.
Comment
OBI14683
Arctostaphylos hearstiorum
Robert F. Hoover
1950-1-15
7760
San Luis Obispo
Mouth of Arroyo de la Cruz (just S of) on hilltop
Comment
CAS-BOT-BC39051
Arctostaphylos hookeri
R. F. Hoover
1966-1-30
9733
Monterey
Deer Flat Park, Monterey
Comment
GH350445
Arctostaphylos hookeri
R. F. Hoover
1941-5-25
5240
Unknown
Near Pacific Grove on road to Carmel
Comment
CAS-BOT-BC24531
Arctostaphylos hookeri subsp. hearstiorum
R. F. Hoover
1959-4-3
8492
San Luis Obispo
1.8 mi. n. of Arroyo de la Cruz on State Highway 1, above site of former Washington School.
Comment
CAS-BOT-BC24480
Arctostaphylos hooveri
R. F. Hoover
1964-5-15
8895
San Luis Obispo
Pine Top Mt.
Comment
CAS-BOT-BC24547
Arctostaphylos hooveri
R. F. Hoover
1964-3-8
8646
Monterey
Hill above Point Gorda, n. slope.
Comment
CAS-BOT-BC24476
Arctostaphylos hooveri
R. F. Hoover
1964-5-15
8891
San Luis Obispo
Pine Top Mt. s of San Carpoforo Creek.
Comment
CAS-BOT-BC39008
Arctostaphylos luciana
R. F. Hoover
1964-1-11
8620
San Luis Obispo
Ridge west of bend of Lopez Canyon, in shale.
Comment
OBI14651
Arctostaphylos luciana
Robert F. Hoover
1969-5-20
11316
San Luis Obispo
Santa Lucia Range; Klau district mines
Comment
OBI14652
Arctostaphylos luciana
Robert F. Hoover
1946-10-26
6528
San Luis Obispo
Summit above (SE of) cuesta Pass
Comment
RSA43168
Arctostaphylos luciana
Robert F. Hoover
1946-10-26
6528
San Luis Obispo
Summits above (SE of ) Cuesta Pass.
Comment
GH350544
Arctostaphylos manzanita
R. F. Hoover
1941-4-26
4913
Unknown
Pope Creek Canyon between Samuel Springs and Walter Springs
Comment
CAS-BOT-BC38513
Arctostaphylos montana subsp. montana
R. F. Hoover
1964-4-8
8676
Marin
Mt. Tamalpais (w. peak), at entrance to radar station.
Comment
OBI14546
Arctostaphylos montana subsp. montana
Robert F. Hoover, Lewis S. Rose
1964-4-8
8674
Marin
Bootjack camp (just E of) south slope of Mt. Tamalpais
Comment
CAS-BOT-BC40101
Arctostaphylos montereyensis
R. F. Hoover
1963-12-17
8614
Monterey
South edge of Monterey Airport
Comment
CAS-BOT-BC40132
Arctostaphylos montereyensis
R. F. Hoover
1963-12-17
8614
Monterey
South edge of Monterey Airport
Comment
CAS-BOT-BC40133
Arctostaphylos montereyensis
R. F. Hoover
1963-12-17
8614
Monterey
South edge of Monterey Airport
Comment
CAS-BOT-BC45623
Arctostaphylos montereyensis
R. F. Hoover
1964-6-22
9110
Monterey
South edge of Monterey Airport.
Comment
OBI14631
Arctostaphylos montereyensis
Robert 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
OBI14638
Arctostaphylos montereyensis
Robert F. Hoover
1964-2-8
8635
Monterey
South edge of Monterey Airport
Comment
CAS-BOT-BC40105
Arctostaphylos morroensis
R. F. Hoover
1947-1-6
6593
San Luis Obispo
Baywood Park.
Comment
RSA166689
Arctostaphylos morroensis
Robert F. Hoover
1964-03
11865
San Luis Obispo
Los Osos Highlands,
Comment
SD72079
Arctostaphylos morroensis
R. F. Hoover
1964-3-16
8653
San Luis Obispo
Los Osos Highlands
Comment
OBI14614
Arctostaphylos myrtifolia
Robert F. Hoover
1962-1
Amador
Comment
OBI14588
Arctostaphylos obispoensis
Robert F. Hoover
1955-1-22
8352
San Luis Obispo
Summit of ridge N of San Carpoforo crk
Comment
OBI14596
Arctostaphylos pajaroensis
Mrs. Robert F. Hoover
1962-1-7
1
Monterey
Prunedale
Comment
CAS-BOT-BC44421
Arctostaphylos pilosula
R. F. Hoover
1966-5-17
9867
San Luis Obispo
Indian Knob ridge.
Comment
CAS-BOT-BC44425
Arctostaphylos pilosula
R. F. Hoover
1946-10-22
6522
San Luis Obispo
Huasna district
Comment
JEPS98805
Arctostaphylos pilosula
R. F. Hoover
1963-10-26
8600
San Luis Obispo
trail to Machesna Mt. La Panza Range
Comment
OBI14564
Arctostaphylos pilosula
Robert F. Hoover
1963-10-26
8599
San Luis Obispo
Trail to Machesna Mt., La Panza Range
Comment
CAS-BOT-BC44379
Arctostaphylos pilosula
R. F. Hoover
1964-2-20
8637
San Luis Obispo
Oak Park district, north of Arroyo Grande
Comment
CAS-BOT-BC44386
Arctostaphylos pilosula
R. F. Hoover
1963-5-2
8553
San Luis Obispo
Summit of La Panza Range east of Pozo.
Comment
JEPS98803
Arctostaphylos pilosula
R. F. Hoover
1964-2-20
8637
San Luis Obispo
Oak Park district, N of Arroyo Grande
Comment
OBI19394
Arctostaphylos pumila
Robert F. Hoover
1964-4-11
8692
Monterey
South edge of Monterey Airport
Comment
OBI14524
Arctostaphylos rudis
Robert F. Hoover
1964-1-26
8628
Santa Barbara
4 mi N of Lompoc on Hwy 1
Comment
CAS-BOT-BC46227
Arctostaphylos rudis
R. F. Hoover
1954-2-7
8335
San Luis Obispo
2 mi. w. of Nipomo.
Comment
CAS-BOT-BC47284
Arctostaphylos tomentosa
R. F. Hoover
1950-1-15
7763
San Luis Obispo
Mouth of Arroyo de la Cruz (just s. of), on n. slope.
Comment
CAS-BOT-BC47289
Arctostaphylos tomentosa
R. F. Hoover
1950-1-15
7764
San Luis Obispo
Mouth of Arroyo de la Cruz (just s. of).
Comment
CAS-BOT-BC47318
Arctostaphylos tomentosa
R. F. Hoover
1964-4-23
8741
San Francisco
E. side of Lake Merced, n. edge of California golf course.
Comment
GH362284
Arctostaphylos tomentosa
R. F. Hoover
1941-3-9
4777
Unknown
Marina
Comment
OBI14506
Arctostaphylos tomentosa subsp. bracteosa
Robert F. Hoover
1964-4-23
14506
San Francisco
East side of Lake Merced, N edge of California golf course
Comment
JEPS98836
Arctostaphylos tomentosa subsp. rosei
R. F. Hoover
1964-3-8
8645
Monterey
hill above Point Gorda,
Comment
CAS-BOT-BC43961
Arctostaphylos tomentosa subsp. tomentosa
R. F. Hoover
1964-3-8
8645
Monterey
above Point Gorda
Comment
CAS-BOT-BC47246
Arctostaphylos tomentosa subsp. tomentosa
R. F. Hoover
1963-12-27
8616
Monterey
S. edge of Monterey Airport.
Comment
OBI14495
Arctostaphylos tomentosa subsp. tomentosa
Robert F. Hoover
1950-1-15
7764
San Luis Obispo
Mouth of Arroyo de la Cruz (just S of)
Comment
OBI14504
Arctostaphylos tomentosa subsp. tomentosa
Robert F. Hoover
1963-12-27
8616
Monterey
South edge of Monterey Airport
Comment
RSA43161
Arctostaphylos tomentosa subsp. tomentosa
Robert F. Hoover
1947-7-16
7305
San Luis Obispo
Price Canyon.
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
SD71289
Arctostaphylos virgata
R. F. Hoover
1964-4-8
8667
Marin
Bootjack Camp, south slope of Mt. Tamalpais.
Comment
CAS-BOT-BC137610
Aristida adscensionis
R. F. Hoover
1965-5-14
9360
San Luis Obispo
East Fork Corral de Piedra Creek.
Comment
OBI75824
Aristocapsa insignis
Robert F. Hoover
1946-6-2
6135
San Luis Obispo
Between San Juan River and Carrizo Plain
Comment
SD71176
Aristocapsa insignis
R. F. Hoover
1946-6-2
6135
San Luis Obispo
Between San Juan River and carrizo Plain
Comment
UC767467
Arnica discoidea
R. F. Hoover
1941-5-10
5014
Napa
e side Mt. St. Helena
Comment
OBI17038
Artemisia douglasiana
Robert F. Hoover
1964-8-13
9220
San Luis Obispo
Santa Lucia Range, San Bernardo Crk
Comment
OBI17032
Artemisia dracunculus
Robert F. Hoover
1965-10-1
9692
San Luis Obispo
Coast rd just S of Hazard Cyn
Comment
OBI17031
Artemisia dracunculus
Robert F. Hoover
1966-9-16
10051
San Luis Obispo
Salinas River at mouth of Rocky Cyn
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
CAS-BOT-BC93469
Artemisia tridentata subsp. tridentata
R. F. Hoover
1946-11-17
6561
San Luis Obispo
Cuyama River at highway bridge just below Gypsum Canyon
Comment
OBI17193
Arthrocnemum subterminale
Robert F. Hoover
1965-9-22
9642
San Luis Obispo
Osos Crk near Morro Bay
Comment
RSA216738
Arthrocnemum subterminale
Robert F. Hoover
1965-9-22
9642
San Luis Obispo
Los Osos Creek near Morro Bay.
Comment
OBI20507
Asclepias californica
Robert F. Hoover
1950-5-7
7894
San Luis Obispo
Between Rocky Butte & Pine Mt, Santa Lucia Range
Comment
OBI20510
Asclepias cordifolia
Robert F. Hoover
1968-5-14
11087
Fresno
Between Watts Valley andBurrough Valley
Comment
JEPS6669
Asclepias fascicularis
R. F. Hoover
1938-7-13
3629
Tuolumne
1 mi nw Soulsbyville
Comment
UC763190
Asclepias fascicularis
R. F. Hoover
1938-7-13
3629
Tuolumne
1 mi nw Soulsbyville
Comment
UC763189
Asclepias speciosa
R. F. Hoover
1938-6-19
3619
Tuolumne
between Standard City and Tuolumne City
Comment
CAS-BOT-BC65814
Aspidotis californica
R. F. Hoover
1950-2-26
7765
San Luis Obispo
North of summit on Santa Margarita - Creston road
Comment
CAS-BOT-BC177822
Astragalus curtipes
R. F. Hoover
1949-4-12
7593
San Luis Obispo
Between Suey Creek and Cuyama River
Comment
UC764627
Astragalus didymocarpus
R. F. Hoover
1936-5-2
1105
Stanislaus
13 mi e Waterford (Gobin Ranch); e of Waterford, Gobin Ranch
Comment
OBI13363
Astragalus didymocarpus
Robert F. Hoover
1949-4-21
7615
San Luis Obispo
Just E of San Juan River on rd from La Panza to Simmler
Comment
OBI13370
Astragalus didymocarpus
Robert F. Hoover
1966-4-2
9788
San Luis Obispo
Cyn behind old "sheep camp" On E side of Soda Lake, W side of Temblor range
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
UC762971
Astragalus douglasii
Robert F. Hoover
1935-5-14
568
Stanislaus
Modesto
Comment
UC1285207
Astragalus gambelianus
R. F. Hoover
1958-4-23
8461
San Luis Obispo
above Cayucos (South Fork Old Creek); , above Cayucos
Comment
UC762947
Astragalus gambelianus
R. F. Hoover
1939-4-1
3953
Stanislaus
8 mi e Oakdale (Haystack Hill); , e of Oakdale
Comment
OBI13336
Astragalus lentiginosus var. idriensis
Robert F. Hoover
1950-4-2
7810
San Luis Obispo
Summit on McKittrick-Simmler rd
Comment
UC764114
Astragalus lentiginosus var. nigricalycis
R. F. Hoover
1940-3-23
4272
Kings
Kettleman Hills above Avenal; Kettleman Hills above Avenal
Comment
UC1392951
Astragalus lentiginosus var. nigricalycis
R. F. Hoover
1968-4-17
11044
San Luis Obispo
pass at se end Carrizo Plain; se end Carrizo Plain
Comment
UC765569
Astragalus malacus
R. F. Hoover
1941-7-5
5433
Mono
n side Conway Grade; n side Conway Grade
Comment
OBI13323
Astragalus menziesii
Robert F. Hoover
1947-3-8
6660
San Luis Obispo
Near Piedras Blancas Point
Comment
RSA43226
Astragalus nuttallii
Robert F. Hoover
1946-7-21
6233
San Luis Obispo
San Simeon Creek Beach
Comment
CAS-BOT-BC186551
Astragalus nuttallii var. nuttallii
R. F. Hoover
1947-3-8
6660
San Luis Obispo
Near Piedras Blancas Point
Comment
UC1285218
Astragalus nuttallii var. nuttallii
R. F. Hoover
1947-3-8
6660
San Luis Obispo
near Piedras Blancas Point (on sand dunes); near Piedras Blancas Point
Comment
UC764589
Astragalus oxyphysus
R. F. Hoover
1936-4-10
909
Fresno
Pinedale
Comment
UC766301
Astragalus oxyphysus
R. F. Hoover
1946-3-30
6032
Kings
Kettleman Hills
Comment
OBI13311
Astragalus oxyphysus
Robert F. Hoover
1966-10-8
10147
San Luis Obispo
Pass at SE end of Carrizo Plain
Comment
OBI13312
Astragalus oxyphysus
Robert F. Hoover
1967-4-16
10461
San Luis Obispo
Pass at SE end of Carrizo Plain
Comment
SFV9305
Astragalus platytropis
D. H. Hoover
1968-7-6
68 371
Tuolumne
Sierra Nevada Above falls to west of summit of Sonora Pass. Near border of Tuolumne and Mono counties.
2805
Comment
CAS-BOT-BC199109
Astragalus trichopodus var. phoxus
R. F. Hoover
1950-5-28
7935
San Luis Obispo
Redrock Canyon, north side of lower Cuyama Valley
Comment
UC764116
Astragalus whitneyi
R. F. Hoover
1940-8-1
4491
Tuolumne
ridge e Emigrant Meadow; e of Emigrant Meadow
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
OBI17324
Atriplex argentea var. expansa
Robert F. Hoover
1966-10-8
10141
San Luis Obispo
Pass at SE end of Carrizo plain
Comment
OBI17326
Atriplex argentea var. expansa
Robert F. Hoover
1949-6-4
7743
San Luis Obispo
4 mi S of jctn of Bitterwater crk rd with Cholame-Simmler rd
Comment
OBI17346
Atriplex canescens
Robert F. Hoover
1952-11-2
8280
San Luis Obispo
Southern part of Carrizo Plain at N base of Caliente Mt
Comment
UC769845
Atriplex canescens
R. F. Hoover
1940-10-5
4668
Lassen
Wendel
Comment
UC595964
Atriplex cordulata
R. F. Hoover
1937-7-29
2637
Fresno
6 mi s Kerman; s of Kerman
Comment
UC769850
Atriplex cordulata
R. F. Hoover
1936-5-29
1245
Merced
10 mi s Merced; s of Merced
Comment
OBI17333
Atriplex coronata
Robert F. Hoover
1946-10-6
6478
San Luis Obispo
Cholame
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
UC768846
Atriplex fruticulosa
R. F. Hoover
1937-5-27
2324
Fresno
Raisin City
Comment
RSA43053
Atriplex leucophylla
Robert F. Hoover
1947-8-13
7369
San Luis Obispo
Mouth of Hazard Canyon.
Comment
CAS-BOT-BC176529
Atriplex polycarpa
R. F. Hoover
1946-10-19
6504
San Luis Obispo
San Juan River, La Panza district
Comment
OBI17283
Atriplex polycarpa
Robert F. Hoover
1946-10-19
6504
San Luis Obispo
San Juan river, La Panza district
Comment
UC596572
Atriplex serenana var. serenana
R. F. Hoover
1934-10-20
122
Stanislaus
5 mi s Modesto; s of Modesto
Comment
CAS-BOT-BC180898
Atriplex serenana var. serenana
R. F. Hoover
1966-7-12
9891
San Luis Obispo
Wellsona Crossing, between Paso Robles and San Miguel
Comment
CAS-BOT-BC180899
Atriplex serenana var. serenana
R. F. Hoover
1947-7-19
7318
San Luis Obispo
North edge of Santa Maria Valley near Nipomo-Gudalupe Road, at edge of bean field.
Comment
CAS-BOT-BC178415
Atriplex spinifera
R. F. Hoover
1968-4-16
11036
San Luis Obispo
Chalk Mt., north side of Cuyama Valley
Comment
UC767907
Atriplex spinifera
R. F. Hoover
1937-4-10
1812
Kern
Semitropic
Comment
RSA43044
Atriplex subspicata
Robert F. Hoover
1946-10-15
6499
San Luis Obispo
Avila.
Comment
UC767830
Atriplex triangularis
R. F. Hoover
1935-9-7
721
San Joaquin
Roberts Island
Comment
CAS-BOT-BC170086
Atriplex vallicola
R. F. Hoover
1968-5-12
11076
Kern
6 miles north of Lost Hills
Comment
UC768571
Avena barbata
R. F. Hoover
1946-3-30
6035
Kings
Kettleman Hills
Comment
UC766943
Azolla filiculoides
R. F. Hoover
1935-3-1
257
Stanislaus
Grayson
Comment
CAS-BOT-BC98685
Baccharis douglasii
R. F. Hoover
1965-9-18
9567
San Luis Obispo
Trout Creek just east of Santa Margarita
Comment
CAS-BOT-BC99493
Baccharis pilularis
R. F. Hoover
1966-9-13
10004
San Luis Obispo
Ragged Point
Comment
CAS-BOT-BC99635
Baccharis plummerae
R. F. Hoover
1949-9-9
7757
San Luis Obispo
Forks of San Simeon Creek
Comment
HSC80081
Baccharis salicifolia
D. A. Hoover
1985-8-14
640
San Bernardino
Big Morongo Preserve, South of Morongo Valley; upper end of the Willow Trail
762
Comment
OBI16976
Baccharis salicifolia
Robert F. Hoover
1946-10-20
6514
San Luis Obispo
Upper Huasna River just below confluence of Arroyo Seco, in sandy and rocky flood-bed
Comment
CAS-BOT-BC16615
Barbarea orthoceras
R. F. Hoover
1964-5-11
8761
San Luis Obispo
5 miles west of Pozo.
Comment
RSA201709
Benitoa occidentalis
Robert F. Hoover
1946-10-6
6470
Fresno
North side of Parkfield Grade.
Comment Read comments Jun 19 2019
SD71132
Benitoa occidentalis
R. F. Hoover
1946-10-6
6420
Fresno
North side of Parkfield Grade.
Comment
CAS-BOT-BC75860
Berberis pinnata
R. F. Hoover
1947-2-22
s.n.
San Luis Obispo
See Canyon, San Luis Range.
Comment
NY1102107
Berula erecta
R. F. Hoover
1940-10-1
4658
Lassen
Near Honey Lake, between Janesville and Standish
Comment
RSA43046
Beta vulgaris
Robert F. Hoover
1946-8-8
6279
San Luis Obispo
North end of Morro Bay
Comment
JEPS18799
Blennosperma nanum var. nanum
R. F. Hoover
1935-2-9
222
Stanislaus
Hill's Ferry bridge, near Newman
Comment
UC762508
Blennosperma nanum var. nanum
Robert F. Hoover
1937-4-24
1998
Stanislaus
Warnerville
Comment
UC762513
Blennosperma nanum var. nanum
R. F. Hoover
1939-3-18
3912
Merced
7 mi s of Merced
Comment
OBI16919
Blepharizonia laxa
Robert F. Hoover
1952-11-2
8278
San Luis Obispo
Caliente mt
Comment
CAS-BOT-BC127811
Blepharizonia laxa
R. F. Hoover
1966-9-16
10055
San Luis Obispo
Summit on Atascadero -Creston road
Comment
OBI16925
Blepharizonia laxa
Robert F. Hoover
1966-10-8
10149
San Luis Obispo
Pass at SE end of Carrizo Plain
Comment
JEPS18824
Blepharizonia plumosa
R. F. Hoover
1935-9-7
715
Contra Costa
Walnut Creek
Comment
UC762568
Blepharizonia plumosa
Robert F. Hoover
1937-9-2
2711
Contra Costa
1 mi w of Antioch
Comment
UC764883
Boechera rectissima
R. F. Hoover
1937-6-24
2511
Tuolumne
Brightman Flat
Comment
RSA41184
Boisduvalia cleistogama
Robert F. Hoover
1935-5-28
600
Merced
7 miles north of Merced
Comment
RSA41186
Boisduvalia cleistogama
Robert F. Hoover
1937-5-27
2314
Fresno
3 miles east of Pinedale.
Comment
RSA41162
Boisduvalia densiflora var. densiflora
Robert F. Hoover
1937-6-26
2554
Tuolumne
Standard City
Comment
RSA41177
Boisduvalia glabella
Robert F. Hoover
1937-6-30
2585
Tulare
Yettem.
Comment
RSA41191
Boisduvalia glabella
Robert F. Hoover
1937-5-19
2119
Contra Costa
Byron Hot Springs
Comment
RSA41168
Boisduvalia macrantha
Robert F. Hoover
1938-6-10
3588
Tehama
Coyote Creek bridge south of Red Bluff.
Comment
RSA41192
Boisduvalia stricta
Robert F. Hoover
1937-6-26
2555
Tuolumne
Standard City
Comment
UC762007
Brickellia californica
R. F. Hoover
1938-9-3
3804
Lake
Burns Valley
Comment
CAS-BOT-BC100455
Brickellia californica
Doris Hardman Hoover
1966-10-8
s.n.
San Diego
below east boundary of J.R. Hoover Ranch +/- 4 mi. s.e. of Fallbrook
Comment
OBI16905
Brickellia californica
Robert F. Hoover
1946-8-18
6306
San Luis Obispo
West base of La Panza Range.
Comment
CAS-BOT-BC145347
Briza minor
R. F. Hoover
1947-5-25
7219
San Luis Obispo
Cambria.
Comment
UC552435
Brodiaea appendiculata
R. F. Hoover
1936-4-30
1058
San Joaquin
Farmington
Comment
CAS-BOT-BC482184
Brodiaea appendiculata
R. F. Hoover
1937-5-18
2215
Sutter
Pleasant Grove
Comment
UC768718
Brodiaea coronaria subsp. coronaria
R. F. Hoover
1936-5-20
1154
Butte
10 mi sw Oroville
Comment
UC768743
Brodiaea coronaria subsp. rosea
R. F. Hoover
1938-6-9
3572
Lake
Indian Valley
Comment
UC768461
Brodiaea elegans subsp. elegans
R. F. Hoover
1938-6-9
3577
Lake
Indian Valley
Comment
UC768462
Brodiaea elegans subsp. elegans
R. F. Hoover
1939-6-3
4129
Tuolumne
Groveland
Comment
UC768712
Brodiaea minor
R. F. Hoover
1936-5-21
1173
Butte
3 mi n Cana
Comment
CAS-BOT-BC492079
Brodiaea terrestris subsp. kernensis
R. F. Hoover
1950-4-30
7865
San Luis Obispo
7 miles E of Creston on La Panza Road
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
UC1296351
Brodiaea terrestris subsp. terrestris
R. F. Hoover
1964-6-13
9100
San Luis Obispo
just n Arroyo de la Cruz; Point Sierra Nevada
Comment
UC766918
Bromus carinatus var. carinatus
R. F. Hoover
1941-4-18
4848
Alameda
upper end of Corral Hollow Corral Hollow
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
UC596486
Bromus diandrus
R. F. Hoover
1935-3-15
334
Stanislaus
Waterford
Comment
UC1153382
Bromus grandis
R. F. Hoover
1950-6-20
7987
San Luis Obispo
6 mi w of Templeton (on road to Cambria)
Comment
OBI22430
Bromus hordeaceus
Robert F. Hoover
1964-4-14
8719
San Luis Obispo
San Luis Obispo
Comment
UC766838
Bromus hordeaceus
R. F. Hoover
1936-4-5
890
Stanislaus
Modesto
Comment
UC767067
Bromus laevipes
R. F. Hoover
1941-4-26
4919
Napa
between Samuel Springs and Walter Springs (Pope Creek Canyon); Pope Creek Canyon
Comment
OBI22419
Bromus madritensis subsp. madritensis
Robert F. Hoover
1949-5-14
7678
San Luis Obispo
Rocky Butte district, above San Simeon
Comment
UC766911
Bromus madritensis subsp. rubens
R. F. Hoover
1937-5-29
2344
Calaveras
Mercer's Cove
Comment
UC766912
Bromus orcuttianus
R. F. Hoover
1941-6-29
5391
Tuolumne
Road from Long Barn to Hull's Meadow
Comment
OBI22405
Bromus pseudolaevipes
Robert F. Hoover
1964-5-13
8856
San Luis Obispo
South Fork of Old Crk
Comment
OBI22425
Bromus sitchensis
Robert F. Hoover
1964-10-3
9311
San Luis Obispo
Bluffs S of mouth of Islay Crk
Comment
CAS-BOT-BC161634
Bromus sterilis
R. F. Hoover
1964-4-14
8716
San Luis Obispo
San Luis Obispo.
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
UC767472
Cacaliopsis nardosmia
R. F. Hoover
1941-4-27
4968
Lake
near Adams Springs
Comment
SBBG114017
Cakile edentula
R. F. Hoover
1947-4-3
6918
San Luis Obispo
N end of Morro Bay, on sand dunes
Comment
CAS-BOT-BC36885
Cakile edentula var. edentula
R. F. Hoover
1947-3-8
6659
San Luis Obispo
Near Piedras Blancas Point.
Comment
OBI15150
Cakile maritima
Robert F. Hoover
1947-4-13
6917
San Luis Obispo
N end of Morro Bay
Comment
CAS-BOT-BC185306
Calamagrostis koelerioides
R. F. Hoover
1946-6-23
6192
San Luis Obispo
Summit at head of Carpenter Canyon north of Arroyo Grande.
Comment
CAS-BOT-BC185136
Calamagrostis nutkaensis
R. F. Hoover
1947-7-27
7339
San Luis Obispo
Black Lake Canyon, south of Arroyo Grande.
Comment
OBI22357
Calamagrostis nutkaensis
Robert F. Hoover
1947-7-27
7339
San Luis Obispo
Black Lake Cyn, S of Arroyo Grande
Comment
CAS-BOT-BC233927
Calandrinia breweri
R. F. Hoover
1952-5-11
8197
San Luis Obispo
Burned area at Navajo Cam, La Panza Range
Comment
OBI10815
Calandrinia breweri
Robert F. Hoover
1952-5-11
8197
San Luis Obispo
Burned area at navajo Camp, La Panza Range
Comment
CAS-BOT-BC233932
Calandrinia breweri
R. F. Hoover
1951-4-15
8041
San Luis Obispo
Stoney Creek, tributary of Huasna River
Comment
CAS-BOT-BC167327
California macrophylla
R. F. Hoover
1952-5-6
8152
San Luis Obispo
East of Atascadero on Creston Road, just east of pump station
Comment
OBI20941
Callitriche marginata
Robert F. Hoover
1947-3-26
6772
San Luis Obispo
Price Cyn
Comment
CAS-BOT-BC488478
Calochortus amabilis
R. F. Hoover
1968-5-26
11093
Lake
Harbin Springs
Comment
OBI21397
Calochortus argillosus
Robert F. Hoover
1955-7-6
8363
Santa Barbara
Point Sal Ridge
Comment
OBI21400
Calochortus clavatus
Robert F. Hoover
1957-7-19
8387
San Luis Obispo
Cypres Mtn
Comment
CAS-BOT-BC132431
Calochortus obispoensis
R. F. Hoover
1969-6-23
11387
San Luis Obispo
Ridge nw. of Cuesta Pass
Comment
CAS-BOT-BC132494
Calochortus pulchellus
R. F. Hoover
1968-5-16
11092
Contra Costa
Upper Marsh Creek
Comment
CAS-BOT-BC132511
Calochortus simulans
R. F. Hoover
1956-5-18
8375
San Luis Obispo
Rocky Canyon between Atascadero and Creston
Comment
CAS-BOT-BC493946
Calochortus superbus
R. F. Hoover
1965-6-24
9456
Nevada
Mariposa pratensis (Purdy) Hoover, 2 mi. n. of Chicago Park
Comment
UC768703
Calochortus tolmiei
R. F. Hoover
1941-4-27
4951
Napa
e side Mt. St. Helena
Comment
OBI21347
Calochortus uniflorus
Robert F. Hoover
1948-4-14
7447
San Luis Obispo
1.8 mi N of Arroyo de la Cruz on State hwy 1
Comment
UC768640
Calochortus venustus
R. F. Hoover
1937-6-15
2453
Tuolumne
foot of grade below Confidence
Comment
RSA216783
Calochortus venustus
Robert F. Hoover
1969-5-20
11312
San Luis Obispo
4 miles west of Paso Robles on Adelaida road
Comment
UC1314975
Calochortus venustus
R. F. Hoover
1967-5-24
10586
San Luis Obispo
w of Paso Robles (on Adelaida road)
Comment
UC768711
Calochortus vestae
R. F. Hoover
1941-6-8
5335
Lake
n of Glenbrook
Comment
CAS-BOT-BC106108
Calycadenia hooveri
R. F. Hoover
1937-6-8
2391
Stanislaus
Betw. Warnerville and Knight's Ferry
Comment
CAS-BOT-BC106109
Calycadenia hooveri
R. F. Hoover
1937-6-8
2391
Stanislaus
Betw. Warnerville and Knight's Ferry
Comment
CAS-BOT-BC106149
Calycadenia hooveri
R. F. Hoover
1937-6-8
2391
Stanislaus
Betw. Warnerville and Knight's Ferry
Comment
UC1314926
Calycadenia hooveri
R. F. Hoover
1966-8-31
9959
Stanislaus
low hills n of Warnerville
Comment
UC1321339
Calycadenia hooveri
R. F. Hoover
1966-8-31
9959
Stanislaus
low hills n of Warnerville
Comment
CAS-BOT-BC270037
Calycadenia multiglandulosa
R. F. Hoover
1938-7-30
3705
Amador
4 miles SW of Ione
Comment
UC596104
Calycadenia spicata
R. F. Hoover
1938-7-30
3708
Amador
3 mi w of Ione
Comment
CAS-BOT-BC271533
Calycadenia truncata subsp. truncata
R. F. Hoover
1950-6-21
8002
San Luis Obispo
Between rocky Butte and Pine Mt., Santa Lucia Mts.
Comment
CAS-BOT-BC271535
Calycadenia truncata subsp. truncata
R. F. Hoover
1957-8-28
8398
San Luis Obispo
Between Rocky Butte and Pine Mt. above San Simeon
Comment
CAS-BOT-BC275328
Calycadenia truncata var. truncata
R. F. Hoover
1938-9-9
3821
Mariposa
Grade from Coulterville to Bagby
Comment
CAS-BOT-BC106059
Calycadenia villosa
Robert F. Hoover
1937-8-12
2684
Monterey
San Antonio Valley
Comment
CAS-BOT-BC106062
Calycadenia villosa
R. F. Hoover
1969-6-3
11363
San Luis Obispo
18 mi. e. of Creston on La Panza Road (Highway 58), plateau on Cammatti-Navajo divide
Comment
CAS-BOT-BC221393
Calystegia macrostegia subsp. cyclostegia
R. F. Hoover
1964-6-13
9093
San Luis Obispo
Point Sierra Nevada, just north of Arroyo de la Cruz
Comment
OBI15320
Calystegia macrostegia subsp. cyclostegia
Robert F. Hoover
1948-3-28
7434
San Luis Obispo
coast west of Cambria
Comment
UC1314908
Calystegia macrostegia subsp. cyclostegia
R. F. Hoover
1967-5-1
10518
San Luis Obispo
ridge nw Cuesta Pass; nw of Cuesta Pass
Comment
CAS-BOT-BC221163
Calystegia malacophylla subsp. pedicellata
R. F. Hoover
1947-3-30
6820
San Luis Obispo
East Branch of Huerhuero Creek, about 5 mi. s. of Creston
Comment
CAS-BOT-BC221170
Calystegia malacophylla subsp. pedicellata
R. F. Hoover
1949-5-17
7703
San Luis Obispo
Upper Arroyo Grande 6 mi. above County Park
Comment
OBI15297
Calystegia purpurata subsp. purpurata
Robert F. Hoover
1950-6-20
7990
San Luis Obispo
6 mi W of Templeton on road to Cambria
Comment
CAS-BOT-BC224672
Calystegia purpurata subsp. purpurata
R. F. Hoover
1958-5-21
8482
San Luis Obispo
West of Paso Robles on Mountain Springs Road
Comment
OBI15300
Calystegia purpurata subsp. purpurata
Robert F. Hoover
1958-5-21
8482
San Luis Obispo
West of Paso Robles on Mountain Springs road
Comment
RSA41316
Camissonia californica
Robert F. Hoover
1940-3-23
4262
Kings
Kettleman Hills above Avenal,
Comment Read comments Jul 13 2018
UC764054
Camissonia campestris subsp. campestris
Robert F. Hoover
1935-3-18
375
Stanislaus
near Grayson (e of river)
Comment
UC764070
Camissonia campestris subsp. campestris
R. F. Hoover
1941-3-23
4801
Kern
Elk Hills
Comment
RSA43094
Camissonia campestris subsp. campestris
Robert F. Hoover
1947-4-20
6993
San Luis Obispo
Yaro Creek district N of Pozo.
Comment
CAS-BOT-BC160306
Camissoniopsis cheiranthifolia subsp. cheiranthifolia
R. F. Hoover
1964-6-10
9010
San Luis Obispo
Avila
Comment
CAS-BOT-BC160314
Camissoniopsis cheiranthifolia subsp. cheiranthifolia
R. F. Hoover
1946-8-4
6273
San Luis Obispo
North end of Morro Bay
Comment
OBI12014
Camissoniopsis cheiranthifolia subsp. cheiranthifolia
Robert F. Hoover
1947-7-11
7299
San Luis Obispo
S end of Morro Bay
Comment
CAS-BOT-BC160292
Camissoniopsis cheiranthifolia subsp. cheiranthifolia
R. F. Hoover
1964-8-13
9232
San Luis Obispo
Mouth of Morro Creek. Santa Lucia Range
Comment
OBI12283
Cannabis sativa
Robert F. Hoover
1969-7-29
11507
Monterey
Pacific Grove
Comment
CAS-BOT-BC37611
Cardamine californica
Robert Francis Hoover
1938-2-26
2772
Santa Clara
San Felipe.
Comment
OBI15047
Cardamine californica
Robert F. Hoover
1967-2-18
10217
San Luis Obispo
Diablo Cyn, San Luis Range
Comment
UC762887
Cardamine californica var. cuneata
R. F. Hoover
1938-2-26
2782
Merced
e slope summit Pachecho Pass; e slope Pacheco Pass summit
Comment
UC1296286
Cardaria draba
R. F. Hoover
1948-5-15
7528
San Luis Obispo
Morro Bay town
Comment
CAS-BOT-BC20336
Carex abrupta
Mrs. Herbert Hoover
1936-7-28
s.n.
Tulare
Foot of Colby Pass on Kern - Kaweah River.
Comment
CAS-BOT-BC17638
Carex alma
R. F. Hoover
1947-4-20
6994
San Luis Obispo
West slope of La Panza Range. Sycamore Creek.
Comment
UC767027
Carex athrostachya
R. F. Hoover
1936-6-24
1391
Tuolumne
Pigeon Flat, N side; YMCA Camp
Comment
UC767165
Carex brainerdii
Robert F. Hoover
1941-6-15
5350
Tuolumne
trail from Brightman Flat to Eagle Meadow
Comment
SFV11593
Carex fracta
D. H. Hoover
1967-8-18
s. n.
Tuolumne
Sierra Nevada South of Clark Fork Bridge Camp. Clark Fork of Middle Fork of Stanislaus River. Wooded slope above trail to water supply creek.
Comment
CAS-BOT-BC20405
Carex globosa
R. F. Hoover
1950-5-7
7896
San Luis Obispo
Santa Lucia Range. Between Rocky Butte and Pine Mountain.
Comment
OBI6440
Carex globosa
Robert F. Hoover
1950-5-30
7940
San Luis Obispo
Mouth of Arroyo de la Cruz (just S of)
Comment
OBI6444
Carex globosa
Robert F. Hoover
1948-2-22
7421
San Luis Obispo
1.8 mi N of Arroyo de la Cruz on State hwy 1
Comment
UC767039
Carex jonesii
R. F. Hoover
1939-7-21
4141
Tuolumne
n side of Pigeon Flat Pigeon Flat
Comment
CAS-BOT-BC31175
Carex lemmonii
R. F. Hoover
1939-5-30
4111
Sonoma
Perry's Ranch near Sebastopol.
Comment
OBI22652
Carex lemmonii
Robert F. Hoover
1939-5-30
4111
Sonoma
Perry's "Twin Pines Ranch" near Sebastopol
Comment
CAS-BOT-BC31527
Carex luzulifolia
R. F. Hoover
1940-8-1
4477
Tuolumne
Upper end of Emigrant Lake.
2651
Comment
UC765733
Carex luzulifolia
R. F. Hoover
1940-9-21
4613
Shasta
Ulpper Kings Creek meadow
Comment
UC767097
Carex mendocinensis
Robert F. Hoover
1941-5-14
5091
Sonoma
Two miles south of Monte Rio on Road to Camp Meeker.
Comment
OBI6449
Carex microptera
Robert F. Hoover
1936-6-18
1308
Alpine
Douglas Station
Comment
OBI6400
Carex obispoensis
Robert F. Hoover
1958-3-26
8436
San Luis Obispo
Ridge of Santa Lucia Mts NW of Cuesta Pass
Comment
OBI6402
Carex obispoensis
Robert F. Hoover
1969-6-23
11392
San Luis Obispo
Santa Luica Range. Ridge NW of Cuesta Pass
Comment
SEINET13407559
Carex pellita
R. F. Hoover
1942-6-12
5899
Monterey
West side of Huckleberry Hill
Comment
UC766063
Carex phaeocephala
R. F. Hoover
1940-7-29
4468
Alpine
Bald Peak
Comment
CAS-BOT-BC118554
Carex praegracilis
R. F. Hoover
1947-7-18
7311
San Luis Obispo
Oceano Beach
Comment
OBI22679
Carex praegracilis
Robert F. Hoover
1946-7-14
6226
San Luis Obispo
N end of Morro Bay
Comment
OBI22651
Carex serratodens
Robert F. Hoover
1946-6-30
6210
San Luis Obispo
Rinconada Mine, betw. Santa Margarita and Pozo
Comment
UC766070
Carex specifica
R. F. Hoover
1938-8-16
3762
Mariposa
Peregoy Meadow
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-BC116952
Carex straminiformis
R. F. Hoover
1940-8-2
s.n.
Tuolumne
Mountain N of Emigrant Lake.
1371
Comment
UC767130
Carex subbracteata
Robert F. Hoover
1941-5-12
5062
Marin
head Drake's Estero
Comment
UC766116
Carex vesicaria var. vesicaria
R. F. Hoover
1938-7-18
3686
Tuolumne
Kennedy Meadows
Comment
UC763120
Cassiope mertensiana subsp. californica
R. F. Hoover
1940-8-1
4479
Tuolumne
Upper end of Emigrant Lake
Comment
OBI9688
Castilleja affinis
Robert F. Hoover
1950-6-20
7993
San Luis Obispo
7 mi W of Templeton on rd to Cambria
Comment
OBI9694
Castilleja affinis
Robert F. Hoover
1964-6-5
8933
San Luis Obispo
Near summit of ridge W of upepr Lopez Cyn
Comment
UC1315085
Castilleja affinis subsp. affinis
R. F. Hoover
1967-5-6
10556
San Luis Obispo
s of Oso Flaco Lake
Comment
JEPS1740
Castilleja affinis subsp. affinis
R. F. Hoover
Apr 1927
Tuolumne
n of Keystone
Comment
UC962095
Castilleja affinis subsp. affinis
Robert F. Hoover
Apr 1927
Tuolumne
n of Keystone
Comment
UC765537
Castilleja applegatei subsp. pallida
R. F. Hoover
1936-6-20
1363
Tuolumne
Eagle Peak
Comment
JEPS3773
Castilleja brevistyla
R. F. Hoover
1940-4-6
4301
Merced
n of Ortigalita
Comment
UC595975
Castilleja campestris subsp. campestris
R. F. Hoover
1937-5-4
2028
Stanislaus
2 mi s Oakdale
Comment
UC596166
Castilleja campestris subsp. succulenta
R. F. Hoover
1938-5-17
3461
Fresno
near Pinedale (on road to Friant)
Comment
OBI9406
Castilleja densiflora subsp. densiflora
Robert F. Hoover
1967-4-8
10369
San Luis Obispo
18 mi SE of Creston on La Panza Rd
Comment
OBI9404
Castilleja densiflora subsp. obispoensis
Robert F. Hoover
1969-4-22
11255
San Luis Obispo
San Bernardo Crk E of Morro Bay
Comment
UC1004434
Castilleja exserta
Aulton Hoover
1955-4-27
159
San Benito
Bear Gulch Canyon Pinnacles National Monument, Paicines (above dam)
518
Comment
UC1392780
Castilleja exserta
R. F. Hoover
1969-5-3
11292
San Luis Obispo
3 mi w Nipomo
Comment
JEPS10336
Castilleja exserta subsp. exserta
R. F. Hoover
1937-4-10
1767
Fresno
Kerman
Comment
JEPS7429
Castilleja exserta subsp. latifolia
R. F. Hoover
1950-5-30
7939
San Luis Obispo
just s Mouth of Arroyo de la Cruz
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
SEINET3079453
Castilleja foliolosa
D. A. Hoover
1985-5-23
503
San Bernardino
south of the pipeline road along the Barn Loop Trail; behind the gully opposite the barn
762
Comment
UC765674
Castilleja linariifolia
R. F. Hoover
1938-7-18
3665
Tuolumne
Relief Reservoir
Comment
SD131976
Castilleja lineariloba
R. F. Hoover
1938-5-16
3416
Stanislaus
La Grange
Comment
RSA101662
Castilleja miniata
Robert F. Hoover
1947-8-8
7357
San Luis Obispo
Oceano.
Comment
RSA181861
Castilleja miniata
Robert F. Hoover
1947-7-18
7315
San Luis Obispo
Oceano Beach.
Comment
UC1276273
Castilleja miniata
R. F. Hoover
1947-8-8
7357
San Luis Obispo
Oceano
Comment
OBI9657
Castilleja miniata var. miniata
Robert F. Hoover
1947-8-8
7357
San Luis Obispo
Oceano
Comment
UC1321249
Castilleja minor subsp. spiralis
R. F. Hoover
1966-9-16
10018
San Luis Obispo
2 mi n Santa Margarita (Santa Margarita Creek); Santa Margarita Creek
Comment
UC765676
Castilleja minor subsp. spiralis
R. F. Hoover
1938-9-23
3860
Napa
canyon of south fork of Butts Creek
Comment
OBI9646
Castilleja minor var. spiralis
Robert F. Hoover
1966-8-23
9935
Napa
Butts Cyn, near Lake Co line
Comment
CAS-BOT-BC241094
Castilleja mollis
R. F. Hoover
1964-8-14
9257
San Luis Obispo
Jack Lake
Comment
JEPS4331
Castilleja tenuis
R. F. Hoover
1936-6-19
1340
Tuolumne
Brightman'S Flat
Comment
OBI9365
Castilleja tenuis
Robert F. Hoover
1967-9-5
10841
Placer
Carnelian bay, Lake Tahoe
Comment
CAS-BOT-BC38251
Caulanthus anceps
R. F. Hoover
1949-4-2
7579
San Luis Obispo
West side of Cottonwood Pass.
Comment
UC1296273
Caulanthus anceps
R. F. Hoover
1958-3-19
8417
San Luis Obispo
s end Soda Lake; Carrizo Plain
Comment
SD71139
Caulanthus californicus
R. F. Hoover
1952-4-1
8062
San Luis Obispo
6.0 miles southeast of Soda Lake, Carrizo Plain.
Comment
OBI14925
Caulanthus coulteri
Robert F. Hoover
1967-3-28
10309
San Luis Obispo
Cyn in Temblor range near N end of Elkhorn Plain
Comment
UC764954
Caulanthus coulteri
R. F. Hoover
1938-4-16
3163
Kern
Kern Canyon below Hobo Hot Springs; Kern Canyon below Hobo Hot Springs
Comment
GH379089
Caulanthus coulteri var. lemmonii
R. F. Hoover
1938-4-9
3024
Unknown
One mile north of Corral Hollow near Alameda County line
Comment
CAS-BOT-BC41100
Caulanthus heterophyllus
R. F. Hoover
1952-5-11
8194
San Luis Obispo
La Panza Range. Navajo Camp.
Comment
CAS-BOT-BC39494
Caulanthus lemmonii
R. F. Hoover
1952-5-11
8194
San Luis Obispo
La Panza Range. Navajo Camp.
Comment
OBI14885
Caulanthus lemmonii
Robert F. Hoover
1952-4-8
8076
San Luis Obispo
La Panza District
Comment
UC765863
Ceanothus cordulatus
R. F. Hoover
1940-6-1
4395
Tuolumne
1 mi e Long Barn (Brown's Meadow)
Comment
CAS-BOT-BC48997
Ceanothus cuneatus
R. F. Hoover
1967-2-18
10227
San Luis Obispo
Diablo Canyon, San Luis Range
Comment
CAS-BOT-BC48998
Ceanothus cuneatus
R. F. Hoover
1968-12-26
11181
San Luis Obispo
Los Osos
Comment
GH349661
Ceanothus cuneatus
R. F. Hoover
1938-6-9
3563
Unknown
Bartlett Mountain
Comment
OBI10536
Ceanothus cuneatus var. fascicularis
Robert F. Hoover
1948-2-8
7414
San Luis Obispo
4 mi W of Nipomo
Comment
UC1276286
Ceanothus cuneatus var. fascicularis
R. F. Hoover
1949-2-8
7414
San Luis Obispo
4 mi w of Nipomo.
Comment
CAS-BOT-BC49754
Ceanothus dentatus
R. F. Hoover
1968-4-11
11013
Monterey
Marina
Comment
OBI10260
Ceanothus dentatus
Robert F. Hoover
1964-4-11
8690
Monterey
S edge of Monterey airport
Comment
OBI10523
Ceanothus foliosus
Robert F. Hoover
1964-5-11
8797
San Luis Obispo
High Mtn, N slope near summit
Comment
CAS-BOT-BC64411
Ceanothus foliosus subsp. medius
R. F. Hoover
1964-4-15
8723
San Luis Obispo
Ridge nw. of Cuesta Pass.
Comment
OBI10490
Ceanothus impressus
Robert F. Hoover
1962-1-12
7
San Luis Obispo
Arroyo Grande
Comment
CAS-BOT-BC50547
Ceanothus maritimus
R. F. Hoover
1962-2-23
8532
San Luis Obispo
Above site of former Washington School, north of Arroyo de la Cruz
Comment
CAS-BOT-BC50548
Ceanothus maritimus
R. F. Hoover
1962-2-23
8532
San Luis Obispo
Above site of former Washington School, north of Arroyo de la Cruz
Comment
OBI10417
Ceanothus maritimus
Robert F. Hoover
1948-5-16
7529
San Luis Obispo
1.8 mi N of Arroyo de la Cruz on State hwy 1
Comment
OBI10420
Ceanothus maritimus
Robert F. Hoover
1950-1-15
7759
San Luis Obispo
Mouth of Arroyo de la Cruz (just S of)
Comment
OBI19396
Ceanothus maritimus
Robert F. Hoover
1964-4-14
8722
San Luis Obispo
San Luis Obispo garden
Comment
UC1276290
Ceanothus oliganthus var. sorediatus
R. F. Hoover
1948-4-16
7456
San Luis Obispo
Upper Morro Creek
Comment
OBI10397
Ceanothus papillosus
Robert F. Hoover
1959-5-9
8497
San Luis Obispo
6 mi W of Paso Robles on Adelaida rd
Comment
OBI10400
Ceanothus papillosus
Robert F. Hoover
1949-5-14
7683
San Luis Obispo
Region of Rocky Butte, above San Simeon
Comment
RSA43184
Ceanothus ramulosus
Robert F. Hoover
1947-3-23
6718
San Luis Obispo
Rinconada Mine.
Comment
GH425530
Ceanothus sorediatus
R. F. Hoover
1941-4-12
4843
Unknown
West Branch of San Pablo Creek
Comment
CAS-BOT-BC52906
Ceanothus thyrsiflorus
R. F. Hoover
1964-4-10
8688
Monterey
Two miles north of Prunedale P.O.
Comment
RSA43122
Ceanothus thyrsiflorus
Robert F. Hoover
1947-3-16
6682
San Luis Obispo
San Carpoforo Creek, near ocean
Comment
RSA43121
Ceanothus thyrsiflorus
Robert F. Hoover
1947-3-16
6669
San Luis Obispo
Coast just S of Monterey County line
Comment
CAS-BOT-BC281981
Centaurea benedicta
R. F. Hoover
1967-4-12
10428
San Luis Obispo
Upper Arroyo Grande valley
Comment
JEPS46978
Centaurium muehlenbergii
R. F. Hoover
1935-6-12
660
Stanislaus
Valley Home
Comment
UC1392710
Centaurium venustum
R. F. Hoover
1968-6-9
11168
San Diego
Del Mar
Comment
UC763209
Centaurium venustum
Robert F. Hoover
1936-7-10
1516
Tuolumne
Brightman Flat
Comment
CAS-BOT-BC288566
Centromadia fitchii
R. F. Hoover
1938-10-23
3886
Fresno
Herndon
Comment
CAS-BOT-BC288664
Centromadia fitchii
R. F. Hoover
1965-9-19
9594
San Luis Obispo
2 miles E of Santa Margarita
Comment
OBI16309
Centromadia fitchii
Robert F. Hoover
1965-9-19
9593
San Luis Obispo
2 mi E of Santa Margarita
Comment
CAS-BOT-BC272799
Centromadia parryi subsp. congdonii
R. F. Hoover
1965-8-1
9499
San Luis Obispo
Valley west of Mt. Bishop
Comment
UC762611
Centromadia parryi subsp. parryi
R. F. Hoover
1941-8-24
5578
Napa
near Calistoga; Myrtledale Hot Springs
Comment
OBI16250
Centromadia pungens subsp. laevis
Robert F. Hoover
1968-6-6
11150
Riverside
1 mi East of Perris
Comment
CAS-BOT-BC279193
Centromadia pungens subsp. pungens
R. F. Hoover
1967-4-28
10515
Contra Costa
Byron Hot Springs
Comment
CAS-BOT-BC279594
Centromadia pungens subsp. pungens
R. F. Hoover
1940-10-1
4657
Lassen
Near Honey Lake, betw. Janesville and Standish
Comment
UC762592
Centromadia pungens subsp. pungens
R. F. Hoover
1940-10-1
4657
Lassen
between Janesville and Standish; Honey Lake
Comment
OBI17364
Ceratophyllum demersum
Robert F. Hoover
1967-10-7
10882
San Luis Obispo
Oso Flaco Lake
Comment
CAS-BOT-BC137165
Cercocarpus betuloides var. betuloides
R. F. Hoover
1967-5-14
10576
San Luis Obispo
Ridge northwest of Cuesta Pass
Comment
CAS-BOT-BC137170
Cercocarpus betuloides var. betuloides
R. F. Hoover
1964-5-11
8762
San Luis Obispo
Five miles west of Pozo
Comment
UC1296064
Cercocarpus betuloides var. betuloides
R. F. Hoover
1964-4-15
8736
San Luis Obispo
Ridge nw of Cuesta Pass
Comment Read comments Nov 20 2007
UC764011
Cercocarpus betuloides var. betuloides
R. F. Hoover
1937-6-24
2515
Tuolumne
Ridge between Long Barn and Cold Spring
Comment
GH345426
Cercocarpus ledifolius
R. F. Hoover
1938-7-18
3676
Unknown
Relief Reservoir
Comment
UC764012
Cercocarpus ledifolius var. ledifolius
R. F. Hoover
1940-9-21
4604
Lassen
4 mi w of Susanville
Comment
OBI10200
Cercocarpus montanus var. glaber
Robert F. Hoover
1946-9-15
6407
San Luis Obispo
E slopes of La Panza range
Comment
OBI16847
Chaenactis fremontii
Robert F. Hoover
1967-4-16
10484
San Luis Obispo
Cyn in Temblor range near N end of Elkhorn Plain
Comment
UC596323
Chaenactis fremontii
R. F. Hoover
1938-4-15
3103
Kern
Maricopa Hills
Comment
UC764816
Chaenactis fremontii
R. F. Hoover
1946-3-30
6028
Kings
Kettleman Hills
Comment
JEPS34193
Chaenactis glabriuscula var. glabriuscula
R. F. Hoover
1936-4-3
866
Madera
4 mi s Madera; Cottonwood Creek
Comment
OBI16807
Chaenactis glabriuscula var. glabriuscula
Robert F. Hoover
1947-3-30
6829
San Luis Obispo
10 mi S of Creston on La Panza Rd
Comment
UC762501
Chaenactis glabriuscula var. glabriuscula
R. F. Hoover
1938-5-1
3298
Fresno
oil fields
Comment
UC1315031
Chaenactis glabriuscula var. glabriuscula
R. F. Hoover
1967-4-9
10420
San Luis Obispo
s of Recruit Canyon; Panorama Hills
Comment
UC1357622
Chaenactis glabriuscula var. glabriuscula
R. F. Hoover
1966-3-30
9774
San Luis Obispo
near w base of Crocker Grade; Panorama Hills
Comment
OBI16799
Chaenactis glabriuscula var. lanosa
Robert F. Hoover
1967-3-28
10319
San Luis Obispo
Cyn in Temblor range near N end of Elkhorn Plain
Comment
UC1285412
Chaenactis glabriuscula var. lanosa
R. F. Hoover
1947-4-2
6864
San Luis Obispo
6 mi above County Park; Upper Arroyo Grande
Comment
OBI16827
Chaenactis stevioides
Robert F. Hoover
1967-4-9
10401
San Luis Obispo
Elkhorn Scarp
Comment
UC1285411
Chaenactis xantiana
R. F. Hoover
1947-3-30
6838
San Luis Obispo
on La Panza-Shandon road Fernandez Creek
Comment
RSA43033
Cheilanthes covillei
Robert F. Hoover
1947-6-5
6584
San Luis Obispo
Pine Mountain of La Panza Range
Comment
OBI23534
Chenopodium macrospermum
Robert F. Hoover
1969-9-23
11607
San Luis Obispo
Morro Bay, S end
Comment
OBI17232
Chenopodium pratericola
Robert F. Hoover
1969-7-3
11406
San Luis Obispo
Salinas River bed at Paso Robles
Comment
OBI17214
Chenopodium pratericola
Robert F. Hoover
1965-8-27
9510
San Luis Obispo
12 mi E of Waterford
Comment
UC763160
Chimaphila menziesii
R. F. Hoover
1938-7-19
3698
Tuolumne
trail from Brightman Flat to Eagle Meadow
Comment
UC1296334
Chlorogalum pomeridianum var. pomeridianum
R. F. Hoover
1965-6-17
9431
San Luis Obispo
nw Cuesta Pass (Santa Lucia Range); Santa Lucia Range
Comment Read comments Jan 5 2010
UC765938
Chlorogalum purpureum var. purpureum
R. F. Hoover
1939-5-3
4076
Monterey
Jolon
Comment
OBI11188
Chorizanthe angustifolia
Robert F. Hoover
1964-6-11
9035
San Luis Obispo
Just S of Hazard Cyn
Comment
OBI11261
Chorizanthe angustifolia
Robert F. Hoover
1964-6-6
8962
San Luis Obispo
Los Osos
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
UC1001164
Chorizanthe breweri
R. F. Hoover
1953-5-14
8294
San Luis Obispo
Poly Canyon San Luis Obispo, Poly Canyon
Comment
UC762643
Chorizanthe clevelandii
R. F. Hoover
1938-6-11
3598
Lake
on grade from Lower Lake to Knoxville; Lower Lake
Comment
OBI11241
Chorizanthe diffusa
Robert F. Hoover
1969-7-18
11486
San Luis Obispo
Price Cyn
Comment
OBI11242
Chorizanthe diffusa
Robert F. Hoover
1969-7-18
11487
San Luis Obispo
Price Cyn
Comment
CAS-BOT-BC191235
Chorizanthe douglasii
R. F. Hoover
1947-4-20
6969
San Luis Obispo
Pilitas Creek district
Comment
CAS-BOT-BC252705
Chorizanthe obovata
R. F. Hoover
1947-7-10
7287
San Luis Obispo
Mesa 4 mi. W of Nipomo
Comment
CAS-BOT-BC252738
Chorizanthe palmeri
R. F. Hoover
1946-6-22
6181
Monterey
Coastal slope below Mt. Mars
Comment
CAS-BOT-BC252739
Chorizanthe palmeri
R. F. Hoover
1946-8-3
6250
San Luis Obispo
Summit of San Luis Range above Perfumo Canyon W of Laguna
Comment
CAS-BOT-BC252743
Chorizanthe palmeri
R. F. Hoover
1948-6-29
7552
San Luis Obispo
Lower Tar Srping Creek
Comment
CAS-BOT-BC252752
Chorizanthe palmeri
R. F. Hoover
1969-6-24
11398
San Luis Obispo
San Luis Obispo adjacent to Cuesta Park
Comment
OBI11196
Chorizanthe palmeri
Robert F. Hoover
1946-6-22
6181
Monterey
Coastal slope below Mt. Mars
Comment
UC771751
Chorizanthe palmeri
R. F. Hoover
1946-8-3
6250
San Luis Obispo
w Laguna (summit of San Luis Range above Perfumo Canyon (Prefumo Canyon)); summit San Luis Range above Perfumo Canyon
Comment
UC771752
Chorizanthe palmeri
R. F. Hoover
1946-6-30
6211
San Luis Obispo
between Santa Margarita and Pozo (Rinconada Mine); , btwn Santa Margarita and Pozo
Comment
UC762603
Chorizanthe polygonoides var. polygonoides
R. F. Hoover
1938-5-9
3381
Tuolumne
3 mi s Chinese Camp; s of Chinese Camp
Comment
UC762598
Chorizanthe pungens var. pungens
R. F. Hoover
1941-5-24
5223
Monterey
just s Point Pinos (Pacific Grove); , s of Point Pinos
Comment
OBI11181
Chorizanthe staticoides
Robert F. Hoover
1946-6-2
6124
San Luis Obispo
La Panza district
Comment
OBI11182
Chorizanthe staticoides
Robert F. Hoover
1947-4-20
6973
San Luis Obispo
Pilitas Crk district
Comment
CAS-BOT-BC247793
Chorizanthe uniaristata
R. F. Hoover
1953-5-17
8315
San Luis Obispo
Skunk Well canyon near Marianas Ranch, Temblor Range
Comment
OBI11175
Chorizanthe uniaristata
Robert F. Hoover
1953-5-17
8315
San Luis Obispo
"Skunk Well" cyn near Marianas Ranch, Temblor Range
Comment
OBI11166
Chorizanthe xanti
Robert F. Hoover
1967-6-4
10608
San Luis Obispo
Cyn in Temblor Range near N end of Elkhorn Plain
Comment
CAS-BOT-BC255371
Chorizanthe xanti var. xanti
R. F. Hoover
1949-6-4
7751
San Luis Obispo
At San Juan River on Pozo-Simmler Road
Comment
GH344086
Chrysolepis chrysophylla
R. F. Hoover
1938-9-18
3845
Unknown
Tomales Point
Comment
GH344146
Chrysolepis sempervirens
R. F. Hoover
1940-7-23
4434
Unknown
Eureka Valley
Comment
OBI37303
Chylismia claviformis
D. A. Hoover
1985-4-11
313
San Bernardino
Morongo Cyn, SE of Morongo Valley; at the upper end of the Desert Wash trl
Comment
OBI16757
Cichorium intybus
Robert F. Hoover
1965-9-29
9685
San Luis Obispo
Atascadero
Comment
OBI9003
Cicuta douglasii
Robert F. Hoover
1969-7-13
11463
San Luis Obispo
Atascadero
Comment
UC1392761
Cicuta maculata var. bolanderi
R. F. Hoover
1969-7-13
11463
San Luis Obispo
Atascadero
Comment
OBI16749
Cirsium douglasii var. douglasii
Robert F. Hoover
1966-7-17
9914
Sonoma
Sausal Crk N of Alexander Valley
Comment
CAS-BOT-BC285471
Cirsium occidentale var. californicum
R. F. Hoover
1965-6-17
9430
San Luis Obispo
Santa Lucia Range. Ridge nw. of Cuesta Pass
Comment
OBI16737
Cirsium occidentale var. compactum
Robert F. Hoover
1967-5-13
10567
San Luis Obispo
Coasta west of Cambria
Comment
OBI16729
Cirsium occidentale var. lucianum
Robert F. Hoover
1965-6-17
9430
San Luis Obispo
Santa Lucia Range. Ridge NW of cuesta Pass
Comment
JEPS59196
Cirsium scariosum
R. F. Hoover
1936-7-1
1449
Tuolumne
trail to Kennedy Lake
Comment
JEPS59243
Cirsium vulgare
R. F. Hoover
1935-7-13
247
Stanislaus
Modesto
Comment
OBI17170
Cistus ladanifer
Robert F. Hoover
1964-2-3
8631
San Luis Obispo
2 mi S of Berros on Nipomo Mesa
Comment
RSA212260
Cistus ladanifer
Robert F. Hoover
1964-2-8
8631
San Luis Obispo
Two miles south of Berros on Nipomo Mesa
Comment
OBI22631
Cladium californicum
Robert F. Hoover
1947-8-7
7353
San Luis Obispo
Blacklake Canyon
Comment
UC762210
Clarkia arcuata
R. F. Hoover
1938-5-9
3396
Mariposa
grade from Coulterville to Bagby
Comment
OBI12136
Clarkia biloba
Robert F. Hoover
1967-6-16
10634
Tuolumne
3 mi S of Chinese Camp
Comment
CAS-BOT-BC172292
Clarkia bottae
R. F. Hoover
1969-6-22
11382
San Luis Obispo
chorro Creek Canyon (Serrano Canyon)
Comment
OBI12134
Clarkia concinna
Robert F. Hoover
1968-5-26
11094
Lake
Harbin Springs
Comment
CAS-BOT-BC172242
Clarkia cylindrica subsp. clavicarpa
Robert F. Hoover
1938-5-17
3463
Fresno
Site of Sparkville
Comment
RSA209529
Clarkia cylindrica subsp. cylindrica
Robert F. Hoover
1967-6-4
10595
San Luis Obispo
Canyon in Temblor Range near north end of Elkhorn Plain.
Comment
UC762176
Clarkia dudleyana
R. F. Hoover
1937-6-15
2471
Mariposa
3 mi nw Coulterville
Comment
CAS-BOT-BC172000
Clarkia epilobioides
Robert F. Hoover
1941-4-23
4904
San Mateo
Redwood City Hills
Comment
CAS-BOT-BC172024
Clarkia epilobioides
Doris Hardman Hoover
1967-4-29
s.n.
San Diego
Near J.R. Hoover Ranch +-4 mi. s.e. Fallbrook
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
UC596441
Clarkia modesta
R. F. Hoover
1938-5-20
3476
Tulare
on grade to Badger; Bear Mountain
Comment
UC596442
Clarkia modesta
R. F. Hoover
1938-5-8
3365
Stanislaus
Del Puerto Canyon
Comment
RSA41122
Clarkia modesta
Robert F. Hoover
1938-5-20
3476
Tulare
N slope of Bear Mt., on grade to Badger
Comment
RSA43108
Clarkia modesta
Robert F. Hoover
1947-5-9
7128
San Luis Obispo
Middle Branch of Huerhuero Creek, N of Wells Corner.
Comment
RSA41296
Clarkia purpurea subsp. purpurea
Robert F. Hoover
1937-5-18
2202
Sacramento
Rio Linda
Comment
UC762174
Clarkia purpurea subsp. quadrivulnera
Robert F. Hoover
1936-4-28
1004
Fresno
Orange Cove
Comment
CAS-BOT-BC163909
Clarkia purpurea subsp. quadrivulnera
Doris Hardman Hoover
1967-4-29
s.n.
San Diego
Canyon w. of Dave Caldwell Ranch, +- 4 mi. s.e. of Fallbrook
Comment
CAS-BOT-BC163948
Clarkia purpurea subsp. quadrivulnera
R. F. Hoover
1964-6-12
9078
San Luis Obispo
Road from North Fork San Simeon Creek to Rocky Butte
Comment
RSA41294
Clarkia purpurea subsp. quadrivulnera
Robert F. Hoover
1936-4-28
1004
Fresno
Orange Cove.
Comment
UCSB24327
Clarkia purpurea subsp. viminea
Hoover, Robert
1936-5-27
Stanislaus
10 miles east of Waterford
Comment
RSA41128
Clarkia rostrata
Robert F. Hoover
1936-4-29
1035
Stanislaus
Knight s Ferry
Comment
RSA41288
Clarkia rubicunda
Robert F. Hoover
1941-5-20
5108
San Mateo
Redwood City hills
Comment
UC1005296
Clarkia similis
A. N. Hoover, Mary Hoover
1955-5-23
219
San Benito
w side Old Pinnacles; Pinnacles National Monument
457
Comment
CAS-BOT-BC165247
Clarkia speciosa subsp. immaculata
R. F. Hoover
1966-5-15
9860
San Luis Obispo
Oak Park district
Comment
UC765870
Clarkia tembloriensis
R. F. Hoover
1938-5-7
3358
San Joaquin
1 mi n Corral Hollow (near Alameda Co. line)
Comment
RSA0059953
Clarkia tembloriensis subsp. tembloriensis
Robert F. Hoover
1938-5-7
3358
San Joaquin
1 mile N of Corral Hollow near Alameda County line
Comment
CAS-BOT-BC165825
Clarkia williamsonii
Robert F. Hoover
1937-6-3
2367
Tuolumne
Three miles north of Keystone
Comment
UC766152
Claytonia lanceolata
R. F. Hoover
1936-6-20
1354
Tuolumne
Eagle Peak
Comment
UC765764
Claytonia nevadensis
R. F. Hoover
1940-7-24
4455
Alpine
between Sonora Pass and Sonora Peak
Comment
UC765766
Claytonia parviflora subsp. grandiflora
R. F. Hoover
1939-4-10
3991
Fresno
Watts Valley
Comment
CAS-BOT-BC439581
Claytonia parviflora subsp. parviflora
R. F. Hoover
1958-3-19
8425
San Luis Obispo
Carrizo Plain near north base of Caliente Mt.
Comment
OBI78251
Clinopodium douglasii
Robert F. Hoover
1959-5-16
8505
San Luis Obispo
Cambria
Comment
CAS-BOT-BC180930
Cneoridium dumosum
R. F. Hoover
1965-8-27
9518
Stanislaus
Carpenter Road near San Joaquin River, south of Modesto
Comment Read comments Jan 25 2021
JEPS35057
Collinsia bartsiifolia var. davidsonii
R. F. Hoover
1952-5-11
8180
San Luis Obispo
Panza Range; w slope
Comment
OBI9631
Collinsia bartsiifolia var. davidsonii
Robert F. Hoover
1947-4-26
7087
San Luis Obispo
Upper toro Crk, N of Pozo
Comment
JEPS35321
Collinsia heterophylla
R. F. Hoover
1964-5-13
8823
San Luis Obispo
Tassajera Creek
Comment
OBI9602
Collinsia heterophylla
Robert F. Hoover
1947-4-4
6886
San Luis Obispo
W side of Cottonwood Pass
Comment
RSA43206
Collinsia heterophylla
Robert F. Hoover
1947-5-11
7158
San Luis Obispo
Price Canyon.
Comment
OBI9604
Collinsia heterophylla
Robert F. Hoover
1969-5-20
11319
San Luis Obispo
Santa Lucia Range. Upper Las Tablas Crk
Comment
JEPS6351
Collinsia sparsiflora var. collina
R. F. Hoover
1939-3-20
3940
Merced
3 mi e Le Grand
Comment
UC766313
Collinsia sparsiflora var. collina
R. F. Hoover
1939-3-20
3940
Merced
3 mi n Le Grand
Comment
OBI9618
Collinsia sparsiflora var. collina
Robert F. Hoover
1949-4-11
7591
San Luis Obispo
18 mi E of Creston on La Panza rd
Comment
UC596336
Collinsia tinctoria
R. F. Hoover
1937-6-26
2546
Tuolumne
2 mi s of Confidence
Comment
UC766270
Collinsia tinctoria
R. F. Hoover
1937-6-26
2546
Tuolumne
2 mi s of Confidence
Comment
UC765650
Collinsia torreyi var. torreyi
R. F. Hoover
1936-6-25
1413
Tuolumne
Eureka Valley
Comment
UC963990
Collomia diversifolia
R. F. Hoover
1941-4-26
4936
Lake
5 mi e Middletown (on road to Pope Valley)
Comment
OBI11585
Collomia heterophylla
R. F. Hoover
1949-5-14
7675
San Luis Obispo
Rocky Butte district (above San Simeon)
Comment
JEPS41832
Conyza bonariensis
R. F. Hoover
1935-8-8
710
Stanislaus
10 mi s of Modesto
Comment
OBI9586
Cordylanthus pilosus subsp. pilosus
Robert F. Hoover
1966-8-23
9925
Lake
Valley of St. Helena Crk S of Middletown
Comment
UC762586
Cordylanthus pilosus subsp. trifidus
R. F. Hoover
1937-8-24
2691
Tuolumne
Tuolumne City
Comment
JEPS6821
Cordylanthus pringlei
R. F. Hoover
1938-9-3
3793
Napa
e side Mt. St. Helena
Comment
OBI9575
Cordylanthus pringlei
Robert F. Hoover
1966-8-23
9922
Napa
E side of Mt. St. Helena, about 1/2 mi S of lake co. line
Comment
UC1357611
Cordylanthus pringlei
R. F. Hoover
1966-8-23
9922
Napa
0.5 mi s Lake Co. line (e side of Mt. St. Helena); Mt. St. Helena
Comment
JEPS11644
Cordylanthus ramosus
R. F. Hoover
1940-9-28
4640
Lassen
Leavitt, 8 mi e of Susanville; Leavitt
Comment
UC1357606
Cordylanthus rigidus subsp. littoralis
R. F. Hoover
1964-9-11
9294
Monterey
s edge Monterey Airport
Comment
JEPS16385
Cordylanthus rigidus subsp. rigidus
R. F. Hoover
1938-9-10
3838
Santa Clara
summit of Del Puerto Pass (Mt. Hamilton Road); Patterson
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
JEPS6808
Cordylanthus tenuis subsp. brunneus
R. F. Hoover
1928-9-23
3866
Lake
Butts Canyon
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
UC762591
Cordylanthus tenuis subsp. tenuis
Robert F. Hoover
1938-8-15
3735
Mariposa
lower end Yosemite Valley
Comment
JEPS22788
Coreopsis bigelovii
R. F. Hoover
1938-3-27
2943
Fresno
Alcalde Canyon
Comment
UC1284972
Coreopsis bigelovii
R. F. Hoover
1947-3-29
6808
San Luis Obispo
5 mi e Creston (on La Panza road)
Comment
CAS-BOT-BC287800
Coreopsis bigelovii
R. F. Hoover
1965-4-3
9339
San Luis Obispo
Shell Creek, hill W of
Comment
UC1285060
Coreopsis bigelovii
R. F. Hoover
1965-4-4
9339
San Luis Obispo
hill w Shell Creek
Comment
UC1284969
Coreopsis calliopsidea
R. F. Hoover
1948-4-17
7472
San Luis Obispo
s of Shandon (San Juan River); San Juan River
Comment
CAS-BOT-BC287049
Coreopsis calliopsidea
R. F. Hoover
1949-4-2
7568
San Luis Obispo
Cholame Valley, at foot of Cottonwood Pass grade
Comment
CAS-BOT-BC287118
Coreopsis douglasii
R. F. Hoover
1950-3-28
7769
San Luis Obispo
Poly Canyon
Comment
CAS-BOT-BC287122
Coreopsis douglasii
R. F. Hoover
1965-5-14
9363
San Luis Obispo
E Fork Corral de Piedra Creek
Comment
UC1284971
Coreopsis douglasii
R. F. Hoover
1948-4-17
7484
San Luis Obispo
near n end of La Panza Range (in flood-bed of creek); , Fernandez Creek
Comment
JEPS33658
Coreopsis tinctoria
R. F. Hoover
1935-6-2
640
Stanislaus
Modesto
Comment
OBI16638
Corethrogyne filaginifolia
Robert F. Hoover
1946-8-4
6270
San Luis Obispo
N end of Morro Bay
Comment
OBI16658
Corethrogyne filaginifolia
Robert F. Hoover
1967-9-13
10864
San Luis Obispo
Oso Flaco Lake
Comment
OBI4929
Corethrogyne filaginifolia
Robert F. Hoover
1969-9-21
11602
San Luis Obispo
S end of Morro Bay
Comment
UC1285365
Corethrogyne filaginifolia
R. F. Hoover
1946-8-3
6259
San Luis Obispo
Perfumo Canyon San Luis Range
Comment
UC1357628
Corethrogyne filaginifolia
R. F. Hoover
1965-10-1
9696
San Luis Obispo
Coast road just s Hazard Canyon
Comment
UC761909
Corethrogyne filaginifolia
R. F. Hoover
1938-8-7
3727
Monterey
between Big Sur and Little Sur River; between Big Sur and Little Sur River
Comment
CAS-BOT-BC101454
Corethrogyne filaginifolia
R. F. Hoover
1946-9-22
6437
San Luis Obispo
West of Paso Robles on road to Adelaida
Comment
OBI16651
Corethrogyne filaginifolia
Robert F. Hoover
1966-10-8
10146
San Luis Obispo
pass at SE end of Carrizo Plain
Comment
OBI16652
Corethrogyne filaginifolia
Robert F. Hoover
1965-9-29
9676
San Luis Obispo
Santa Lucia Range. Tassajera Crk
Comment
RSA216713
Corethrogyne filaginifolia var. filaginifolia
Robert F. Hoover
1966-9-13
10008
San Luis Obispo
Point Sierra Nevada
Comment
OBI15278
Cornus glabrata
Robert F. Hoover
1946-9-22
6443
San Luis Obispo
Klau district (W of Paso Robles)
Comment
CAS-BOT-BC210351
Cornus sericea
R. F. Hoover
1965-9-29
9677
San Luis Obispo
Santa Lucia Range. Tassajera Creek
Comment
JEPS37544
Cotula coronopifolia
Robert F. Hoover
1935-4-13
507
Stanislaus
ten mi w Modesto; w of Modesto
Comment
OBI16631
Cotula coronopifolia
Robert F. Hoover
1964-8-13
9243
San Luis Obispo
Mouth of Oso Crk
Comment
CAS-BOT-BC427787
Crassula connata
R. F. Hoover
1947-3-26
6740
San Luis Obispo
Just s. of Price Canyon
Comment
HSC104066
Crepis monticola
L. Hoover
2009-6-25
Humboldt
Six Rivers National Forest; Buck Mtn., FS Rd. 1N08
Comment
OBI17163
Crocanthemum scoparium
Robert F. Hoover
1964-6-5
8920
San Luis Obispo
Ridge SE of Cuesta Pass
Comment
SD71172
Cryptantha barbigera
R. F. Hoover
1949-5-1
7640
San Luis Obispo
Summit of Cottonwood Pass
Comment
UC1285006
Cryptantha barbigera
R. F. Hoover
1949-5-1
7640
San Luis Obispo
Cottonwood Pass Summit
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
GH424908
Cryptantha crymophila
R. F. Hoover
1939-7-28
4193
Unknown
Red Peak
Comment
UC767577
Cryptantha crymophila
R. F. Hoover
1940-7-24
4454
Alpine
between Sonora Pass and Sonora
Comment
UC1285294
Cryptantha decipiens
R. F. Hoover
1952-5-11
8172
San Luis Obispo
Sycamore Creek, w base of La Panza Range La Panza Range
Comment
UC1392805
Cryptantha excavata
R. F. Hoover
1968-5-27
11099
Colusa
near Wilbur Springs (n of Hwy 20, Bear Creek canyon); Bear Creek
Comment
UC762467
Cryptantha flaccida
R. F. Hoover
1935-5-28
595
Merced
Snelling
Comment
UC596241
Cryptantha intermedia
R. F. Hoover
1937-4-24
1957
Tuolumne
Jacksonville
Comment
UC763037
Cryptantha intermedia
R. F. Hoover
1939-5-2
4070
Tuolumne
3 mi s Chinese Camp
Comment
OBI20754
Cryptantha intermedia
Robert F. Hoover
1947-4-26
7088
San Luis Obispo
Upper Toro Crk, N of Pozo
Comment
UC1285007
Cryptantha leiocarpa
R. F. Hoover
1949-6-3
7741
San Luis Obispo
Oceano Beach
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
UC596354
Cryptantha micromeres
R. F. Hoover
1937-6-10
2417
Amador
Ione
Comment
UC596356
Cryptantha microstachys
R. F. Hoover
1938-4-23
3190
Yolo
grade on Rumsey, Arbuckle road Rumsey
Comment
UC763257
Cryptantha nemaclada
R. F. Hoover
1938-5-8
3362
Stanislaus
lower part of Del Puerto Canyon Del Puerto Canyon
Comment
UC763029
Cryptantha nevadensis
R. F. Hoover
1941-4-19
4856
Stanislaus
8 mi w Newman (n of Orestimba Creek)
Comment
UC596213
Cryptantha nevadensis var. rigida
R. F. Hoover
1935-4-21
547
Alameda
Corral Hollow (upper end)
Comment
OBI20756
Cryptantha nevadensis var. rigida
Robert F. Hoover
1953-5-17
8311
San Luis Obispo
"Skunk Well" cyn near Marianas ranch, Temblor range
Comment
OBI20763
Cryptantha nevadensis var. rigida
Robert F. Hoover
1951-4-20
8053
San Luis Obispo
Base of Crocker Grade, Temblor Range
Comment
SBBG54868
Cryptantha oxygona
R. F. Hoover
1967-4-9
10407
San Luis Obispo
cyn in Temblor Range near N end of Elkhorn Plain
Comment
UC1392952
Cryptantha oxygona
R. F. Hoover
1968-4-17
11049
San Luis Obispo
Elkhorn Hills
Comment
OBI20804
Cryptantha oxygona
Robert F. Hoover
1950-4-14
7815
San Luis Obispo
Base of Crocker Grade, Temblor Range
Comment
OBI20806
Cryptantha pterocarya
Robert F. Hoover
1968-3-23
10905
San Bernardino
15 mi W of Hinckley
Comment
UC596363
Cryptantha sparsiflora
R. F. Hoover
1938-5-20
3478
Tulare
n slope Bear Mt. (on grade to Badger)
Comment
UC764742
Cryptantha spithamaea
R. F. Hoover
1938-5-9
3380
Tuolumne
3 mi s Chinese Camp
Comment
JEPS25912
Cryptantha watsonii
R. F. Hoover
1941-7-5
5431
Mono
n. side Conway Grade (Mono Lake-Bridgeport rd.)
Comment
HSC80088
Cucurbita palmata
D. A. Hoover
1985-7-10
622
San Bernardino
Big Morongo Preserve Nature Conservancy, S of Morongo Valley, along the Canyon Trail, 3/4 mi. downstream from the Kiosk.
732
Comment
UCR40284
Cucurbita palmata
D. A. Hoover
1985-8-14
649
San Bernardino
Little San Bernardino Mtns/Southern Mojave Desert, S of Morongo Valley, TNC Big Morongo Preserve, along the Canyon Trail, 0.25 mi. downstream from the start of TNC land.
747
Comment
UC763215
Cuscuta californica
Robert F. Hoover
1935-7-27
698
Stanislaus
12 mi e Waterford
Comment
OBI14799
Cuscuta salina
Robert F. Hoover
1965-10-1
9704
San Luis Obispo
Cuesta-by-the-sea, S shore of Morro Bay
Comment
UC1321346
Cuscuta salina
R. F. Hoover
1966-8-31
9950
Alameda
n of Livermore (junction of Ames St. and Raymond Road)
Comment
UC765557
Cynoglossum grande
R. F. Hoover
1938-2-21
2752
Contra Costa
Marsh Creek
Comment
CAS-BOT-BC67971
Cystopteris fragilis
R. F. Hoover
1950-6-2
7968
San Luis Obispo
Trail from Stoney Cerek to Colwell Mesa
Comment
CAS-BOT-BC445566
Damasonium californicum
R. F. Hoover
1937-6-8
2385
Stanislaus
Warnerville
Comment
OBI22337
Danthonia californica
Robert F. Hoover
1947-5-25
7213
San Luis Obispo
Cambria
Comment
UC766814
Danthonia californica var. americana
R. F. Hoover
1941-5-8
4992
Marin
Tiburon
Comment
UC766851
Datura stramonium
R. F. Hoover
1940-5-19
4392
Amador
3 mi w Ione
Comment
OBI16276
Deinandra corymbosa
Robert F. Hoover
1947-8-10
7367
San Luis Obispo
Osos Valley
Comment
OBI16287
Deinandra corymbosa
Robert F. Hoover
1966-9-13
10002
San Luis Obispo
Ragged Point
Comment
OBI16295
Deinandra corymbosa
Robert F. Hoover
1966-8-27
9939
Monterey
1 mi NE of Castroville on Castroville Blvd
Comment
CAS-BOT-BC299157
Deinandra corymbosa subsp. corymbosa
R. F. Hoover
1947-8-10
7367
San Luis Obispo
Osos Valley
Comment
CAS-BOT-BC299184
Deinandra corymbosa subsp. corymbosa
R. F. Hoover
1966-9-13
10002
San Luis Obispo
Ragged Point
Comment
CAS-BOT-BC293911
Deinandra fasciculata
R. F. Hoover
1969-8-25
11563
San Luis Obispo
Laguna de San Luis Obispo
Comment
CAS-BOT-BC293910
Deinandra fasciculata
R. F. Hoover
1946-8-24
6329
San Luis Obispo
Laguna near San Luis Obispo
Comment
OBI16265
Deinandra fasciculata
Robert F. Hoover
1969-8-1
11513
San Luis Obispo
Near Perry Crk summit just S of Cambria
Comment
UC1285059
Deinandra fasciculata
R. F. Hoover
1965-5-14
9364
San Luis Obispo
e fork Corral de Piedra Creek
Comment
SD71130
Deinandra halliana
R. F. Hoover
1949-5-1
7654
San Luis Obispo
Cholame Valley at junction of Cottonwood and Polonio Pass roads.
Comment
CAS-BOT-BC299349
Deinandra increscens subsp. increscens
R. F. Hoover
1969-9-29
11629
Monterey
Site of Natividad
Comment
UC1285433
Deinandra increscens subsp. increscens
R. F. Hoover
1964-7-11
9169
San Luis Obispo
Price Canyon
Comment
UC1392796
Deinandra increscens subsp. increscens
R. F. Hoover
1969-7-19
11506
San Luis Obispo
near Pismo Beach (s of Pismo 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
OBI16159
Deinandra increscens subsp. increscens
Robert F. Hoover
1966-9-8
9962
Monterey
Natividad, on Old Stage Rd S of Old Natividad Rd
Comment
CAS-BOT-BC294116
Deinandra kelloggii
R. F. Hoover
1968-6-7
11155
Riverside
Lower St. Johns Canyon south of Hemet
Comment
JEPS12569
Deinandra kelloggii
R. F. Hoover
1941-5-31
5276
Madera
8 mi n Madera
Comment Read comments Dec 13 2006
JEPS12572
Deinandra kelloggii
R. F. Hoover
1936-4-11
950
Fresno
Cantua Creek wash Cantua Creek
Comment
JEPS12578
Deinandra kelloggii
Robert F. Hoover
1936-4-2
846
Stanislaus
mouth of the canyon Del Puerto Canyon
Comment
CAS-BOT-BC291792
Deinandra lobbii
R. F. Hoover
1965-8-27
9505
Alameda
Altamont Pass, 2 mi. from old Mountain House on road toward Altamont
Comment
OBI16245
Deinandra lobbii
Robert F. Hoover
1969-8-12
11540
San Luis Obispo
12 mi NW of Paso Robles on rd to Nacimiento Dam
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
UC1392934
Deinandra lobbii
R. F. Hoover
1969-9-9
11580
San Luis Obispo
12 mi NW of Passo Robles on road to Nascimento Dam
Comment Read comments Mar 15 2012
CAS-BOT-BC291906
Deinandra pallida
R. F. Hoover
1967-6-4
10611
San Luis Obispo
Canyon in Temblor Range near north end of Elkhorn Plain
Comment
CAS-BOT-BC291946
Deinandra pallida
R. F. Hoover
1941-3-23
4802
Kern
Elk Hills
Comment
JEPS12571
Deinandra pallida
R. F. Hoover
1941-3-23
4802
Kern
Elk Hills
Comment
UC762740
Deinandra pallida
R. F. Hoover
1936-4-11
932
Kern
Edison
Comment
UC762760
Deinandra pallida
R. F. Hoover
1941-3-23
4802
Kern
Elk Hills
Comment
CAS-BOT-BC131047
Deinandra paniculata
Doris Hardman Hoover
1966-8-6
s.n.
San Diego
J.R. Hoover Ranch +/- 4 mi. s.e. of Fallbrook
182
Comment
OBI16107
Deinandra pentactis
Robert F. Hoover
1965-9-15
9556
San Luis Obispo
Near summit on Pozo-Arroyo Grande Rd
Comment
OBI16110
Deinandra pentactis
Robert F. Hoover
1965-9-29
9655
San Luis Obispo
Santa Lucia Range. N base of Cuesta Grade
Comment
UC1392762
Deinandra pentactis
R. F. Hoover
1969-6-3
11365
San Luis Obispo
Windmill Creek; La Panza district
Comment
CAS-BOT-BC11073
Delphinium californicum
Robert Francis Hoover
1964-5-14
8859
San Luis Obispo
See Canyon
Comment
UC1296216
Delphinium californicum
R. F. Hoover
1965-5-19
9370
San Luis Obispo
open place at base of wooded hill Lower San Simeon Creek
Comment
CAS-BOT-BC11072
Delphinium californicum subsp. californicum
Robert Francis Hoover
1965-5-19
9370
San Luis Obispo
Lower San Simeon Creek
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
UC765794
Delphinium nudicaule
R. F. Hoover
1941-4-20
4888
Stanislaus
near head Del Puerto Canyon
Comment
CAS-BOT-BC9866
Delphinium nudicaule
R. F. Hoover
1969-5-20
11321
San Luis Obispo
Upper Las Tablas Creek
Comment
OBI10628
Delphinium parishii subsp. parishii
Robert F. Hoover
1958-4-19
8457
Kern
S of Jawbone Cyn, W edge of Mojave Desert
Comment
OBI10622
Delphinium parryi subsp. blochmaniae
Robert F. Hoover
1947-4-25
7072
San Luis Obispo
Black lake, S of Arroyo Grande
Comment
CAS-BOT-BC7869
Delphinium parryi subsp. blochmaniae
R. F. Hoover
1969-5-3
11296
San Luis Obispo
3 mi. W of Nipomo
Comment
OBI10621
Delphinium parryi subsp. blochmaniae
Robert F. Hoover
1969-5-3
11296
San Luis Obispo
3 mi W of Nipomo
Comment
UC1296244
Delphinium parryi subsp. eastwoodiae
R. F. Hoover
1947-2-24
6623
San Luis Obispo
first ridge w Cerro Romauldo
Comment
UC596428
Delphinium parryi subsp. parryi
R. F. Hoover
1938-5-8
3375
Stanislaus
Del Puerto Canyon
Comment
UC766056
Delphinium parryi subsp. parryi
Robert F. Hoover
1936-5-2
1102
Stanislaus
about 13 mi e Waterford; Gobin Ranch
Comment
RSA201571
Delphinium patens subsp. hepaticoideum
Robert F. Hoover
1952-5-24
8217
San Luis Obispo
Caliente Mountain.
Comment
CAS-BOT-BC17129
Delphinium recurvatum
R. F. Hoover
1967-3-22
10523
San Luis Obispo
Carrizo Plain, north side of Soda Lake
Comment
UC1315099
Delphinium recurvatum
R. F. Hoover
1967-5-20
10580
San Luis Obispo
w side of plain about one mi s California Valley headquarters; Carrizo Plain
Comment
CAS-BOT-BC17124
Delphinium umbraculorum
R. F. Hoover
1957-4-11
8380
San Luis Obispo
Headwaters of Arroyo Grande
Comment
OBI10608
Delphinium umbraculorum
Robert F. Hoover
1957-4-11
8380
San Luis Obispo
Headwaters of Arroyo Grande
Comment
UC767059
Delphinium variegatum subsp. variegatum
R. F. Hoover
1938-4-30
3286
Merced
first ridge e Pacheco Pass summit
Comment
CAS-BOT-BC192429
Deschampsia cespitosa subsp. cespitosa
R. F. Hoover
1967-9-7
10859
Placer
Antone Meadow
Comment
UC767078
Deschampsia danthonioides
R. F. Hoover
1937-4-10
1786
Fresno
3 mi. s. Helm
Comment
UCD62790
Deschampsia danthonioides
R. F. Hoover
1935-3-17
359
Stanislaus
10 miles S of Modesto.
Comment
OBI22309
Deschampsia elongata
Robert F. Hoover
1947-5-23
7179
San Luis Obispo
Near Sunnyside School, Los Osos Valley
Comment
CAS-BOT-BC209243
Dichanthelium acuminatum subsp. acuminatum
R. F. Hoover
1947-6-2
7260
San Luis Obispo
Cambria
Comment
UC765916
Dichelostemma capitatum
R. F. Hoover
1937-6-24
2508
Tuolumne
Long Barn
Comment
UC618195
Dichelostemma multiflorum
R. F. Hoover
1937-6-26
2536
Tuolumne
Long Barn
Comment
UC618207
Dichelostemma volubile
R. F. Hoover
1939-4-10
3987
Fresno
above Piedra (n side of Kings River); Kings River
Comment
CAS-BOT-BC502523
Dichelostemma volubile
R. F. Hoover
1936-5-21
1171
Butte
Cana
Comment
OBI15285
Dichondra donelliana
Robert F. Hoover
1950-5-30
7938
San Luis Obispo
mouth of Arroyo de la Cruz (just S of)
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
OBI59946
Diplacus leptaleus
Robert F. Hoover
1941-7-24
5528
Tuolumne
Huckleberry lake
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-BC195710
Distichlis spicata
R. F. Hoover
1965-9-19
9628
San Luis Obispo
Carrizo Plain on west side of Soda Lake
Comment
OBI22315
Distichlis spicata
Robert F. Hoover
1965-9-19
9628
San Luis Obispo
Carrizo Plain on W side of Soda Lake
Comment
CAS-BOT-BC195711
Distichlis spicata
R. F. Hoover
1964-7-9
9120
San Luis Obispo
Santa Margarita, along railway
Comment
OBI15097
Dithyrea maritima
Robert F. Hoover
1967-5-6
10550
San Luis Obispo
Dunes S fo Oso Flaco Lake
Comment
SD71141
Dithyrea maritima
R. F. Hoover
1947-7-11
7300
San Luis Obispo
South end of Morro Bay, at edge of sandy beach
Comment
UC1392693
Dodecatheon clevelandii subsp. patulum
R. F. Hoover
1969-3-28
11197
Merced
on old road about 1 mi e of summit Pacheco Pass; e side of 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
UC766293
Dodecatheon clevelandii subsp. patulum
R. F. Hoover
1937-3-26
1727
Merced
2 mi n Snelling; n of Snelling
Comment
UC765529
Dodecatheon hendersonii
R. F. Hoover
1938-2-26
2781
Merced
e slope Pacheco Pass summit
Comment
UC545949
Downingia bella
R. F. Hoover
1936-4-10
921
Tulare
4 mi n Visalia
Comment
UC596498
Downingia bicornuta var. picta
R. F. Hoover
1938-5-18
2200
Sacramento
Rio Linda
Comment Read comments Mar 4 2007
UC765458
Downingia bicornuta var. picta
R. F. Hoover
1937-6-10
2400
San Joaquin
2 mi ne Clements
Comment
UC766412
Downingia bicornuta var. picta
R. F. Hoover
1936-4-30
1059
San Joaquin
Bellota
Comment
SEINET12283537
Downingia bicornuta var. picta
R. F. Hoover
1937-1
2200
Sacramento
Rio Linda
Comment
UC1392695
Downingia concolor var. concolor
R. F. Hoover
1969-4-26
11284
San Benito
2 mi n Tres Pinos
Comment
UC766361
Downingia cuspidata
R. F. Hoover
1936-4-29
1042
Stanislaus
Warnerville
Comment
UC964744
Downingia cuspidata
R. F. Hoover
1938-4-30
3277
Santa Clara
Pacheco Pass summit Pacheco Pass
Comment
UC596492
Downingia insignis
R. F. Hoover
1937-5-18
2185
San Joaquin
French Camp
Comment
UC765619
Downingia insignis
R. F. Hoover
1937-5-14
2117
Contra Costa
Bryon Hot Springs
Comment
UC596175
Downingia ornatissima var. eximia
R. F. Hoover
1936-5-1
1081
Merced
6 mi se Le Grand
Comment
UC596041
Downingia ornatissima var. ornatissima
R. F. Hoover
1937-5-27
2304
Merced
2 mi ne Planada
Comment
UC596188
Downingia ornatissima var. ornatissima
R. F. Hoover
1935-5-28
585
Stanislaus
Montpellier
Comment
UC765625
Downingia ornatissima var. ornatissima
R. F. Hoover
1937-5-18
2188
Sacramento
5 mi nw Thornton
Comment
UC765630
Downingia ornatissima var. ornatissima
R. F. Hoover
1937-6-10
2397
San Joaquin
Farmington
Comment
UC764792
Downingia pulchella
R. F. Hoover
1936-5-18
1126
Merced
10 mi w Merced
Comment
SEINET8733894
Downingia pulchella
Robert F. Hoover
1938-1
3338
Alameda
Livermore
Comment
UC765605
Downingia pulchella
R. F. Hoover
1938-5-28
3482
Santa Clara
near San Bentio County line (Bolsa Road)
Comment
JEPS14400
Downingia pusilla
Robert Francis Hoover
1936-4-13
970
Stanislaus
near La Grange (on Snelling road)
Comment
CAS-BOT-BC159573
Drymocallis glandulosa var. glandulosa
R. F. Hoover
1964-5-11
8799
San Luis Obispo
Trout Creek (Pozo-Arroyo Grande Road)
Comment
CAS-BOT-BC159575
Drymocallis glandulosa var. glandulosa
R. F. Hoover
1947-5-9
7129
San Luis Obispo
Middle Branch of Huerhuero Creek, north of Wells Corner, along stream-bed.
Comment
CAS-BOT-BC70973
Dryopteris arguta
R. F. Hoover
1967-2-18
10232
San Luis Obispo
Diablo Canyon, San Luis Range
Comment
UC1296137
Dudleya abramsii subsp. bettinae
R. F. Hoover
1964-6-13
9101
San Luis Obispo
e Morro Bay (San Bernardo Creek)
Comment
RSA0002516
Dudleya bettinae
Robert F. Hoover
1947-6-27
7278
San Luis Obispo
First ridge west of Cerro Romauldo on serpentine rock.
Comment
CAS-BOT-BC410881
Dudleya caespitosa
R. F. Hoover
1969-3-25
11189
San Luis Obispo
South side of Morro Rock.
Comment
UC933299
Dudleya cymosa
R. F. Hoover
1949-1
Tuolumne
Brightman Flat
Comment
CAS-BOT-BC414970
Dudleya lanceolata
R. F. Hoover
1960-7-6
8527
San Luis Obispo
Santa Rosa Creek 4 mi. E of Cambria.
Comment
CAS-BOT-BC414971
Dudleya lanceolata
R. F. Hoover
1969-7-17
8527
San Luis Obispo
Just west of Cuesta Pass sumimit.
Comment
OBI15259
Dudleya lanceolata
Robert F. Hoover
1960-7-6
8527
San Luis Obispo
Santa Rosa Crk 2 mi E of Cambria
Comment
UC1392797
Dudleya lanceolata
R. F. Hoover
1969-7-17
11472
San Luis Obispo
just w Cuesta Pass summit
Comment
OBI77937
Dysphania ambrosioides
Robert F. Hoover
1946-10-2
6456
San Luis Obispo
Calif Polytechnic campus (SLO)
Comment
CAS-BOT-BC291101
Eastwoodia elegans
R. F. Hoover
1952-5-25
8233
San Luis Obispo
North base of Caliente Mt.
Comment
JEPS4064
Eastwoodia elegans
R. F. Hoover
1936-4-2
847
Stanislaus
mouth of Del Puerto Canyon
Comment
JEPS4066
Eastwoodia elegans
R. F. Hoover
1937-4-11
1853
Kern
s Lost Hills; Corneras Station
Comment
NY31174
Eatonella congdonii
R. F. Hoover
1937-4-11
1839
Kern
5 miles west of Rosedale
Comment
UC596182
Echinodorus berteroi
R. F. Hoover
1937-8-10
2656
Fresno
Tranquillity
Comment
CAS-BOT-BC113596
Eleocharis acicularis
R. F. Hoover
1949-5-19
7707
San Luis Obispo
Cambria, in moist swale under pines.
Comment
UC766138
Eleocharis engelmannii var. detonsa
R. F. Hoover
1935-6-12
661
Stanislaus
Claus
Comment
RSA201684
Eleocharis palustris
Robert F. Hoover
1947-4-16
6936
San Luis Obispo
West base of Mt. Bishop near San Luis Obispo
Comment
OBI22616
Eleocharis parishii
Robert F. Hoover
1965-9-18
9578
San Luis Obispo
Trout Crk just E of Santa Margarita
Comment
CAS-BOT-BC112677
Eleocharis parishii
R. F. Hoover
1964-5-10
7139
San Luis Obispo
Alamo Creek near Cuyama River in wet soil.
Comment
UC936151
Elymus X aristatus
R. F. Hoover
1942-6-9
5881
Monterey
Moss Beach
Comment
UC769959
Elymus X hansenii
Robert F. Hoover
1941-6-8
5321
Napa
Mt. St. Helena; e side
Comment
UC936152
Elymus X saundersii
R. F. Hoover
1941-7-17
5480
Tuolumne
Pigeon Flat; n side
Comment
UC936158
Elymus X saundersii
Robert F. Hoover
1941-7-17
5495
Tuolumne
Eagle Meadow
Comment
UCD61280
Elymus aristatus
R. F. Hoover
1941-7-28
5538
Mono
Sweetwater Mts. Upper Cottonwood Creek.
Comment
OBI21935
Elymus californicus
Robert F. Hoover
1969-5-26
11347
Marin
Woodacre
Comment
UC1257327
Elymus californicus
R. F. Hoover
1969-5-26
11347
Marin
Woodacre
Comment
UC768754
Elymus californicus
R. F. Hoover
1941-5-8
5002
Marin
Woodacre
Comment
UC769910
Elymus caput-medusae
R. F. Hoover
1206
Shasta
Bed of Stillwater Creek, east of Redding
Comment
OBI21767
Elymus farctus
Robert F. Hoover
1947-7-18
7309
San Luis Obispo
Oceano Beach
Comment
UC769887
Elymus glaucus
R. F. Hoover
1940-6-1
4403
Tuolumne
Confidence
Comment
OBI21778
Elymus glaucus
Robert F. Hoover
1947-5-14
7167
San Luis Obispo
Steiner Crk ("Serrano Cyn")
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
UC766741
Elymus glaucus subsp. jepsonii
R. F. Hoover
1941-5-10
5011
Napa
between St. Helena and Calistoga
Comment
CAS-BOT-BC203796
Elymus glaucus subsp. virescens
R. F. Hoover
1947-5-14
7167
San Luis Obispo
Steiner Creek (Serrano Canyon)
Comment
OBI21772
Elymus multisetus
Robert F. Hoover
1964-6-6
8942
San Luis Obispo
Ridge NW of Cuesta Pass
Comment
UC595946
Elymus multisetus
R. F. Hoover
1935-6-12
652
Stanislaus
Valley Home
Comment
OBI21771
Elymus pacificus
Robert F. Hoover
1950-5-5
7866
San Luis Obispo
S end of Morro Bay
Comment
UC768806
Elymus scribneri
R. F. Hoover
1941-7-29
5553
Mono
Mt. Patterson Sweetwater Mts.
Comment
OBI13942
Emmenanthe penduliflora
Robert F. Hoover
1947-4-26
7105
San Luis Obispo
5 mi E of Creston on La Panza Rd
Comment
OBI16594
Encelia frutescens
Robert F. Hoover
1968-3-25
10962
San Bernardino
Kelso rd just N of Hwy 66
Comment
CAS-BOT-BC81657
Ephedra californica
R. F. Hoover
1968-4-17
11055
San Luis Obispo
Foothills of Temblor Range near north end of Elkhorn Plain
Comment
CAS-BOT-BC81658
Ephedra californica
R. F. Hoover
1967-3-28
10321
San Luis Obispo
Temblor Range near north end of Elkhorn Plain
Comment
RSA335354
Ephedra californica
D. A. Hoover
1985-3-16
56
Riverside
Big Morongo Preserve. The Nature Conservancy. South of Morongo Valley. Along the Ridge Trail.
777
Comment Read comments Jul 14 2013
UC766768
Ephedra californica
R. F. Hoover
1938-4-3
3018
San Benito
Little Panoche Pass Glaucophane Ridge, Little Panoche Pass
Comment Read comments Feb 6 2017
CAS-BOT-BC82021
Ephedra viridis
R. F. Hoover
1949-10-23
7758
San Luis Obispo
Redrock Canyon, lower Cuyama Valley
Comment
RSA41108
Epilobium angustifolium subsp. circumvagum
Robert F. Hoover
1939-7-27
4182
Alpine
N side of Pigeon Flat
Comment
OBI12058
Epilobium brachycarpum
Robert F. Hoover
1965-9-29
9663
San Luis Obispo
Santa Lucia Range. Tassajera crk
Comment
UC762967
Epilobium campestre
Robert F. Hoover
1935-5-28
583
Stanislaus
Montpelier San Joaquin Valley
Comment
UC764398
Epilobium campestre
R. F. Hoover
1940-9-21
4602
Lassen
4 mi w Susanville
Comment
OBI11875
Epilobium canum
Robert F. Hoover
1965-9-29
9679
San Luis Obispo
Santa Lucia Range. Tassajera Crk
Comment
OBI11882
Epilobium canum
Robert F. Hoover
1966-10-7
10115
San Luis Obispo
Cuyama hwy (State 166) between Suey Crk and Huasna River
Comment
CAS-BOT-BC166416
Epilobium canum subsp. canum
R. F. Hoover
1965-9-19
9598
San Luis Obispo
Calf Canyon
Comment
RSA216723
Epilobium canum subsp. canum
Robert F. Hoover
1966-10-7
10115
San Luis Obispo
Cuyama highway (State 166) between Suey Creek and Huasna River.
Comment
RSA43102
Epilobium canum subsp. canum
Robert F. Hoover
1946-10-13
6481
San Luis Obispo
Divide between Suey Creek and Cuyama River
Comment
RSA41161
Epilobium canum subsp. latifolium
Robert F. Hoover
1938-9-3
3806
Lake
Bartlett Mountain
Comment
OBI12051
Epilobium ciliatum
Robert F. Hoover
1964-6-11
9028
San Luis Obispo
E end of Los Osos Valley
Comment
RSA43101
Epilobium ciliatum subsp. watsonii
Robert F. Hoover
1947-4-18
6963
San Luis Obispo
Near Piedras Blancas Point.
Comment
OBI12038
Epilobium ciliatum subsp. watsonii
Robert F. Hoover
1946-8-24
6326
San Luis Obispo
Near Laguna near San Luis Obispo in roadside ditch
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
UC596567
Epilobium cleistogamum
R. F. Hoover
1938-5-29
3510
Madera
Chowchilla
Comment
UC764970
Epilobium cleistogamum
R. F. Hoover
1937-5-19
2300
Yolo
near Zamora
Comment
SEINET196230
Epilobium cleistogamum
Robert F. Hoover
1938-11-21
3889
Fresno
Fresno Co. showing capsule dehiscence near Pinedale on road to Friant.
Comment
OBI12156
Epilobium densiflorum
Robert F. Hoover
1966-9-16
10039
San Luis Obispo
3 mi N of Santa Margarita
Comment
UC765014
Epilobium densiflorum
R. F. Hoover
1936-7-31
1586
Sacramento
Fair Oaks
Comment
OBI12154
Epilobium densiflorum
Robert F. Hoover
1950-6-2
7971
San Luis Obispo
colwell Mesa
Comment
JEPS60122
Equisetum X ferrissii
R. F. Hoover
1936-6-4
1267
Fresno
by Kings R. near Sanger
Comment
CAS-BOT-BC57447
Equisetum laevigatum
R. F. Hoover
1950-5-7
7895
San Luis Obispo
Between Rocky Butte and Pine Mt., Santa Lucia Range
Comment
OBI1028
Equisetum laevigatum
R. F. Hoover
1950-5-7
7895
San Luis Obispo
Between Rocky Butte and Pine Mt., Santa Lucia Range
Comment
OBI1016
Equisetum laevigatum
R. F. Hoover
1947-4-27
7111
San Luis Obispo
Morro Creek, above base of grade on highway to Atascadero
Comment
RSA43024
Equisetum telmateia var. braunii
Robert F. Hoover
1946-9-17
6423
San Luis Obispo
Oceano
Comment
CAS-BOT-BC204496
Eragrostis cilianensis
R. F. Hoover
1969-7-3
11411
San Luis Obispo
Paso Robles, in sandy bed of Salinas River
Comment
OBI21809
Eragrostis mexicana
Robert F. Hoover
1966-9-16
10063
San Luis Obispo
2 mi S of Creston
Comment
UC596484
Eragrostis pectinacea var. pectinacea
R. F. Hoover
1934-10-20
72
Stanislaus
Modesto
Comment
UC596578
Eremalche parryi
R. F. Hoover
1938-5-1
3308
Kings
Kettleman Hills near Avenal
Comment
UC763009
Eremalche parryi
R. F. Hoover
1938-4-14
3087
Tulare
Deer Creek bridge near Earlimart
Comment
CAS-BOT-BC203328
Eremalche parryi
Robert F. Hoover
1938-5-7
3354
San Joaquin
One mile north of Corral Hollow near Alameda County line
Comment
CAS-BOT-BC214397
Eremalche parryi subsp. kernensis
R. F. Hoover
1950-4-14
7830
San Luis Obispo
North end of Elkhorn Plain
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
OBI12396
Eremalche parryi subsp. kernensis
Robert F. Hoover
1968-4-16
11038
San Luis Obispo
Chalk Mt, N side of Cuyama Valley
Comment
CAS-BOT-BC214404
Eremalche parryi subsp. kernensis
R. F. Hoover
1950-4-2
7797
San Luis Obispo
Panorama Hills near base of Crocker Grade
Comment
OBI12394
Eremalche parryi subsp. kernensis
Robert F. Hoover
1952-4-1
8067
San Luis Obispo
East edge of Carrizo Plain, 8 mi E of Simmler
Comment
UC765112
Eremocarpus setiger
R. F. Hoover
1937-6-30
2564
Madera
4 mi sw Chowchilla
Comment
UC765118
Eremocarpus setiger
R. F. Hoover
1934-9-15
31
Stanislaus
Modesto
Comment
OBI20770
Eremocarya micrantha
Robert F. Hoover
1968-3-25
10952
San Bernardino
7 mi E of Newberry
Comment
JEPS24949
Eriastrum abramsii
R. F. Hoover
1938-6-9
3554
Lake
between Burns Valley and Borax Lake
Comment
JEPS24950
Eriastrum brandegeeae
R. F. Hoover
1938-6-9
3553
Lake
betw. Burns Valley and Borax Lake
Comment
OBI11578
Eriastrum densifolium subsp. densifolium
Robert F. Hoover
1964-7-11
9186
San Luis Obispo
3 mi. nw. of Nipomo
Comment
OBI11571
Eriastrum densifolium subsp. elongatum
R. F. Hoover
1967-6-4
10592
San Luis Obispo
Canyon in Temblor Range near north end of Elkhorn Plain; 35.178923 -119.677574
Comment
CAS-BOT-BC514385
Eriastrum densifolium subsp. elongatum
R. F. Hoover
1967-6-7
11160
San Diego
Oak Grove
Comment
OBI11567
Eriastrum eremicum subsp. eremicum
R. F. Hoover
1969-4-14
11229
Riverside
Palm Springs, Just south of south city limit
Comment
UC1023830
Eriastrum luteum
R. F. Hoover
1947-5-9
7125
San Luis Obispo
summit on road between Morano Creek and Calf Canyon
Comment
UC595982
Eriastrum pluriflorum
R. F. Hoover
1938-6-6
3535
Stanislaus
Del Puerto Canyon (upper) Mount Hamilton Range
Comment
CAS-BOT-BC131583
Ericameria arborescens
R. F. Hoover
1965-9-29
9674
San Luis Obispo
Tassajera Creek
Comment
UC762561
Ericameria bloomeri
R. F. Hoover
1940-9-22
4627
Plumas
Chester
Comment
CAS-BOT-BC286894
Ericameria ericoides
R. F. Hoover
1964-9-11
9292
Monterey
South edge of Monterey Airport
Comment
CAS-BOT-BC291321
Ericameria ericoides
R. F. Hoover
1967-10-13
10883
Santa Barbara
North of Mussel Point
Comment
CAS-BOT-BC292900
Ericameria ericoides
R. F. Hoover
1969-9-21
11603
San Luis Obispo
South end of Morrow Bay
Comment
CAS-BOT-BC291295
Ericameria ericoides
R. F. Hoover
1966-9-21
10074
San Luis Obispo
1 mile south of Edna on Price Canyon Road to Pismo Beach
Comment
OBI16564
Ericameria ericoides
Robert F. Hoover
1966-10-7
10129
San Luis Obispo
Clhalk Mtn (white hills) N side of Lower Cuyama valley
Comment
UC1285345
Ericameria ericoides
R. F. Hoover
1946-10-20
6525
San Luis Obispo
near railroad siding Callender
Comment
JEPS21495
Ericameria nauseosa var. speciosa
R. F. Hoover
1940-9-27
4628
Lassen
Susanville
Comment
UC762562
Ericameria nauseosa var. speciosa
R. F. Hoover
1940-8-5
4532
Tuolumne
Pigeon Flat
Comment
OBI42653
Ericameria paniculata
D. Hoover
1986-4-7
773
Riverside
South of Morongo Valley; area at the main BLM gate; base of the main canyon
549
Comment
JEPS22367
Erigeron barbellulatus
R. F. Hoover
1939-7-28
4194
Tuolumne
Red Peak
Comment
CAS-BOT-BC293647
Erigeron blochmaniae
R. F. Hoover
1964-8-14
9255
San Luis Obispo
Jack Lake
Comment
JEPS41533
Erigeron compositus
R. F. Hoover
1936-6-29
1436
Alpine
near summit Bald Peak
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
UCR39179
Erigeron foliosus var. foliosus
D. A. Hoover
1985-6-5
570
San Bernardino
San Bernardino Mtns, Morongo Canyon, SE of Morongo Valley, steep bank of Barn Loop Trail across the wash from the barn; between the Canyon Trail & Covington
762
Comment
OBI16546
Erigeron foliosus var. foliosus
Robert F. Hoover
1946-6-30
6215
San Luis Obispo
Mariana Crk, E side of La Panza Range
Comment
JEPS41382
Erigeron glacialis var. glacialis
R. F. Hoover
1938-8-16
3755
Mariposa
Peregoy Meadow
Comment Read comments Oct 3 2012
UC762717
Erigeron inornatus var. inornatus
R. F. Hoover
1939-9-4
4211
Mendocino
near Piercy
Comment
OBI16524
Erigeron sanctarum
Robert F. Hoover
1950-5-30
7949
San Luis Obispo
Mouth of Arroyo de la Cruz (just S of)
Comment
OBI13703
Eriodictyon parryi
Robert F. Hoover
1949-8-21
7755
San Luis Obispo
La Panza district
Comment
CAS-BOT-BC248090
Eriogonum angulosum
R. F. Hoover
1937-7-29
2644
Kings
Kettleman Hills near Avenal
Comment
UC762623
Eriogonum angulosum
Robert F. Hoover
1934-9-16
44
Stanislaus
8 mi e Oakdale
Comment
OBI11144
Eriogonum baileyi
Robert F. Hoover
1966-10-1
10101
San Luis Obispo
upper Arroyo Grande at confluence of Phoenix Crk
Comment
OBI11146
Eriogonum baileyi
Robert F. Hoover
1965-9-19
9599
San Luis Obispo
Calf Cyn
Comment
OBI11041
Eriogonum clavatum
Robert F. Hoover
1967-3-27
10281
San Luis Obispo
Chalk Mt, N side of Cuyama Valley
Comment
OBI11042
Eriogonum clavatum
Robert F. Hoover
1946-9-14
6389
San Luis Obispo
Palo Prieto Cyn
Comment
UC762654
Eriogonum dasyanthemum
R. F. Hoover
1938-6-9
3582
Lake
ridge between Indian Valley and Bear Creek Valley
Comment
CAS-BOT-BC255710
Eriogonum eastwoodianum
R. F. Hoover
1949-5-29
7733
San Luis Obispo
Cottonwood Pass, west side
Comment
CAS-BOT-BC246597
Eriogonum elegans
R. F. Hoover
1946-10-20
6516
San Luis Obispo
Upper Huasna River just below junction of Arroyo Seco
Comment
CAS-BOT-BC246605
Eriogonum elegans
R. F. Hoover
1966-9-16
10044
San Luis Obispo
Sandy bed of Salinas River at mouth of Rocky Canyon
Comment
CAS-BOT-BC249891
Eriogonum fasciculatum var. fasciculatum
R. F. Hoover
1965-8-1
9495
San Luis Obispo
Cuests [Cuesta] Park, San Luis Obispo
Comment
CAS-BOT-BC249995
Eriogonum fasciculatum var. foliolosum
R. F. Hoover
1946-6-30
6214
San Luis Obispo
East side of La Panza Range, on a branch of Navajo Creek
Comment
CAS-BOT-BC250002
Eriogonum fasciculatum var. foliolosum
R. F. Hoover
1966-10-7
10114
San Luis Obispo
Cuyama highway (State 166) between Suey Creek and Huasna River
Comment
OBI11106
Eriogonum fasciculatum var. foliolosum
Robert F. Hoover
1969-6-24
11397
San Luis Obispo
Santa Lucia Range, San Luis Obispo, adj to Cuesta Park
Comment
OBI11092
Eriogonum fasciculatum var. polifolium
Robert F. Hoover
1967-3-28
10317
San Luis Obispo
Canyon in Temblor Range near N end of Elkhorn Plain
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
OBI11084
Eriogonum gossypinum
Robert F. Hoover
1952-4-20
8129
San Luis Obispo
Low hills near north end of Elkhorn Plain
Comment
CAS-BOT-BC250530
Eriogonum gracile
R. F. Hoover
1946-9-14
6375
San Luis Obispo
Santa Margarita
Comment
CAS-BOT-BC251104
Eriogonum gracile
Robert F. Hoover
1938-6-6
3531
Stanislaus
Del Puerto Canyon (lower part)
Comment
UC762634
Eriogonum gracile
R. F. Hoover
1940-11-23
4695
Contra Costa
2 mi s Byron
Comment
UCR40286
Eriogonum gracile
D. A. Hoover
1985-8-14
633
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-BC250399
Eriogonum gracile
R. F. Hoover
1966-9-9
9972
Monterey
River Road just north of Limekiln Creek, west of Gonzales
Comment
CAS-BOT-BC250520
Eriogonum gracile
R. F. Hoover
1969-9-13
11586
San Luis Obispo
Upper Jack Creek, west of Paso Robles
Comment
RSA216853
Eriogonum gracile var. gracile
Robert F. Hoover
1966-10-5
10111
San Luis Obispo
Nipomo Mesa south of Black Lake Canyon.
Comment
UC1296105
Eriogonum gracile var. gracile
R. F. Hoover
1952-11-1
8273
San Luis Obispo
flats along ridge Caliente Mt.
Comment
UC761776
Eriogonum gracillimum
R. F. Hoover
1937-8-10
2665
Kern
2 mi s Devil's Den
Comment
CAS-BOT-BC261251
Eriogonum hirtiflorum
Robert F. Hoover
1938-6-9
3551
Lake
Between Burns Valley and Borax Lake
Comment
UC1392878
Eriogonum inflatum var. inflatum
R. F. Hoover
1968-3-25
10965
San Bernardino
8 mi e Amboy
Comment
CAS-BOT-BC251966
Eriogonum latifolium
R. F. Hoover
1946-9-22
6452
San Luis Obispo
Near Piedras Blancas Point, on sea cliffs
Comment
UC767887
Eriogonum luteolum var. pedunculatum
R. F. Hoover
1937-6-15
2469
Mariposa
3 mi nw Coulterville
Comment
OBI11013
Eriogonum nodosum var. jaegeri
Robert F. Hoover
1966-10-15
10177
Riverside
Bighorn Dr, San Jacinto Mts
Comment
CAS-BOT-BC261424
Eriogonum nudum var. indictum
R. F. Hoover
1969-9-19
11594
San Luis Obispo
Palo Prieto Canyon
Comment
OBI11048
Eriogonum nudum var. indictum
Robert F. Hoover
1969-9-19
11594
San Luis Obispo
Palo Prieto Cyn
Comment
CAS-BOT-BC271977
Eriogonum nudum var. pubiflorum
R. F. Hoover
1947-9-19
7399
San Luis Obispo
4 mi. se. of Santa Manzanita
Comment
RSA216731
Eriogonum nudum var. pubiflorum
Robert F. Hoover
1965-8-27
9506
Stanislaus
12 miles east of Waterford
Comment
CAS-BOT-BC266830
Eriogonum ordii
R. F. Hoover
1967-3-27
10283
San Luis Obispo
Chalk Mt. north side of Cuyama Valley
Comment
CAS-BOT-BC266831
Eriogonum ordii
R. F. Hoover
1967-4-16
10482
San Luis Obispo
Canyon in Temblor Range near north end of Elkhorn Plain
Comment
OBI78416
Eriogonum ordii
Robert F. Hoover
1967-3-27
10283
San Luis Obispo
Chalk Mt, N side of Cuyama Valley
Comment
OBI11008
Eriogonum ordii
Robert F. Hoover
1966-3-30
9781
San Luis Obispo
First large cyn N of Crocker Grade, W side of temblor range
Comment
CAS-BOT-BC268392
Eriogonum roseum
R. F. Hoover
1965-9-18
9584
San Luis Obispo
Calf Canyon
Comment
UC762693
Eriogonum roseum
R. F. Hoover
1938-9-9
3818
Tuolumne
Blanchard
Comment
CAS-BOT-BC268355
Eriogonum roseum
R. F. Hoover
1949-5-22
7723
San Luis Obispo
14 mi. E. of Creston on La Panza road
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
OBI23417
Eriogonum roseum
Robert F. Hoover
1969-10-6
11650
Santa Barbara
Cuyama
Comment
UC771758
Eriogonum roseum
R. F. Hoover
1946-8-18
6314
San Luis Obispo
n La Panza; Commatti Ranch
Comment
CAS-BOT-BC263430
Eriogonum temblorense
R. F. Hoover
1946-11-2
6547
San Luis Obispo
West side of Cottonwood Pass
Comment
OBI11126
Eriogonum temblorense
Robert F. Hoover
1949-5-29
7733
San Luis Obispo
Cottonwood Pass, W side
Comment
OBI10989
Eriogonum thomasii
Robert F. Hoover
1968-3-25
10985
San Bernardino
Near Sacramento Spring
Comment
CAS-BOT-BC267416
Eriogonum tripodum
Robert F. Hoover
1938-6-10
3591
Tehama
North of Jelley's [Jellys] Ferry
Comment
CAS-BOT-BC267430
Eriogonum tripodum
R. F. Hoover
1966-6-23
9889
Tuolumne
West base of Taylor Hill south of Chinese Camp
Comment
CAS-BOT-BC267431
Eriogonum tripodum
R. F. Hoover
1937-6-15
2463
Tuolumne
Upper end of Mocassin Cr. basin, on road to Coulterville
Comment
UC767927
Eriogonum umbellatum var. furcosum
R. F. Hoover
1938-8-17
3766
Mariposa
Bridalveil Creek canyon above falls; Bridalveil Creek canyon
Comment
CAS-BOT-BC264903
Eriogonum viridescens
R. F. Hoover
1946-6-30
6218
San Luis Obispo
La Panza District
Comment
CAS-BOT-BC264905
Eriogonum viridescens
R. F. Hoover
1967-6-4
10591
San Luis Obispo
Canyon in Temblor Range near north end of Elkhorn Plain
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
UC1315106
Eriogonum viridescens
R. F. Hoover
1967-6-4
10610
San Luis Obispo
canyon in Temblor Range near n end of Elkhorn Plain; Temblor Range
Comment
UC767865
Eriogonum viridescens
R. F. Hoover
1937-8-10
2664
Kern
2 mi s Devil's Den
Comment
CAS-BOT-BC297324
Eriophyllum confertiflorum
R. F. Hoover
1969-5-16
11305
Monterey
Henry Sands Canyon E of Gonzales
Comment
OBI16504
Eriophyllum confertiflorum
Robert F. Hoover
1949-5-22
7719
San Luis Obispo
12 mi E of Creston on La Panza Rd
Comment
UC1392670
Eriophyllum confertiflorum var. confertiflorum
R. F. Hoover
1968-4-17
11047
San Luis Obispo
n slope 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-BC301085
Eriophyllum lanatum var. achilleoides
R. F. Hoover
1957-7-19
8388
San Luis Obispo
Cypress Mt.
Comment
UC762047
Eriophyllum lanatum var. grandiflorum
R. F. Hoover
1937-6-26
2540
Tuolumne
Lyon's Dam
Comment
OBI18730
Eriophyllum multicaule
Robert F. Hoover
1947-3-26
6770
San Luis Obispo
Price Cyn
Comment
CAS-BOT-BC301817
Eriophyllum multicaule
R. F. Hoover
1947-4-20
6974
San Luis Obispo
Pilitas Creek district
Comment
OBI18719
Eriophyllum pringlei
Robert F. Hoover
1947-3-23
6730
San Luis Obispo
Fernandez Crk, near N base of La Panza Range
Comment
OBI18725
Eriophyllum pringlei
Robert F. Hoover
1968-4-6
11004
San Luis Obispo
Middle Branch of Huerhuero Crk, just above Wilson's corner
Comment
RSA216776
Eriophyllum staechadifolium
Robert F. Hoover
11533
Monterey
Marina Beach
Comment
OBI14110
Erodium cicutarium
Robert F. Hoover
1964-4-12
8720
San Luis Obispo
San Luis Obispo
Comment
UC762247
Erodium cicutarium
R. F. Hoover
1934-12-17
142
Stanislaus
Modesto
Comment
OBI8984
Eryngium aristulatum
Robert F. Hoover
1966-8-31
9956
Alameda
Altamon
Comment
CAS-BOT-BC211084
Eryngium aristulatum var. hooveri
R. F. Hoover
1969-8-25
11555
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI8982
Eryngium aristulatum var. hooveri
Robert F. Hoover
1941-8-3
6265
San Luis Obispo
Laguna near San Luis Obispo
Comment
OBI8980
Eryngium armatum
Robert F. Hoover
1946-8-24
6327
San Luis Obispo
Near Laguna near SLO
Comment
UC765479
Eryngium articulatum
R. F. Hoover
1936-5-22
1200
Shasta
3 mi. e. Redding
Comment
UC765823
Eryngium articulatum
R. F. Hoover
1936-5-21
1176
Tehama
5 mi. s. Cottonwood
Comment
JEPS15854
Eryngium castrense
Robert F. Hoover
1935-7-13
480 b
Stanislaus
Modesto
Comment
UC764151
Eryngium castrense
R. F. Hoover
1937-6-9
2393
San Joaquin
5 mi. e. Stockton
Comment
UC764152
Eryngium castrense
R. F. Hoover
1935-6-1
630
Stanislaus
ca. 13 mi. e. Waterford (Gobin Ranch); Gobin Ranch
Comment
UC764741
Eryngium castrense
R. F. Hoover
1936-5-20
1156
Butte
8 mi. n. Oroville
Comment
OBI8975
Eryngium pinnatisectum
Robert F. Hoover
1937-6-10
2404
Amador
4 mi SW of Ione
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
LA33330
Eryngium spinosepalum
Robert F. Hoover;
1937-6-30
2570
Fresno
Squaw Valley
Comment
LA33332
Eryngium spinosepalum
Robert F. Hoover;
1937-6-30
2577
Fresno
Upper end of Sand Creek basin
Comment
UC764607
Eryngium spinosepalum
R. F. Hoover
1935-12-23
727
Stanislaus
4 mi. w. Newman (near Orestimba Creek)
Comment
UC765103
Eryngium vaseyi
R. F. Hoover
1935-6-20
665 a
Merced
9 mi. w. Los Banos
Comment
UC771669
Eryngium vaseyi
R. F. Hoover
1946-6-16
6171
San Luis Obispo
1 mi S of Simmler (Carrizo Plain)
Comment
OBI15085
Erysimum ammophilum
Robert F. Hoover
1968-4-11
11005
Monterey
Marina Beach
Comment
OBI15039
Erysimum capitatum var. capitatum
Robert F. Hoover
1949-4-12
7604
San Luis Obispo
E edge of Carrizo Plain, E of Simmler
Comment
CAS-BOT-BC55219
Erysimum suffrutescens
R. F. Hoover
1967-5-6
10555
San Luis Obispo
South of Oso Flaco Lake.
Comment
OBI15067
Erysimum suffrutescens
Robert F. Hoover
1946-8-17
6299
San Luis Obispo
N end of Morro Bay
Comment
OBI15072
Erysimum suffrutescens
Robert F. Hoover
1967-5-6
10555
San Luis Obispo
Dunes S of Oso Flaco Lake
Comment
OBI15071
Erysimum suffrutescens
Robert F. Hoover
1948-3-26
7430
San Luis Obispo
Sunnyside School near Baywood Park
Comment
CAS-BOT-BC402860
Eschscholzia caespitosa
R. F. Hoover
1949-4-12
7594
Santa Barbara
Cuyama Canyon 12 mi. below Gypsum Canyon highway bridge
Comment
UC1296226
Eschscholzia caespitosa
R. F. Hoover
1949-4-6
7584
San Luis Obispo
Poly Canyon
Comment
UC766993
Eschscholzia caespitosa
R. F. Hoover
1946-4-27
6079
San Luis Obispo
See Canyon
Comment
CAS-BOT-BC402816
Eschscholzia caespitosa
R. F. Hoover
1965-1-31
9328
San Luis Obispo
South of San Luis Obispo on Johnson Ave. extension, near junction with Arroyo Grande road
Comment
UC1296227
Eschscholzia caespitosa
R. F. Hoover
1949-5-17
San Luis Obispo
County Park Upper Arroyo Grande
Comment
UC766254
Eschscholzia californica
R. F. Hoover
1946-4-1
6071
Alameda
Altamont Pass; e side
Comment
OBI11770
Eschscholzia hypecoides
Robert F. Hoover
1949-3-27
7562
Monterey
Lewis Crk e of king city
Comment
RSA201572
Eschscholzia hypecoides
Robert F. Hoover
1949-3-27
7561
Monterey
Peachtree Valley
Comment
UC765811
Eschscholzia hypecoides
R. F. Hoover
1940-4-13
4349
Stanislaus
Del Puerto Canyon; lower part
Comment
UC596402
Eschscholzia lemmonii
R. F. Hoover
1938-3-27
2917
Kings
above Kettleman City; Kettleman Hills
Comment
UC765812
Eschscholzia lemmonii
R. F. Hoover
1940-4-6
4297
Merced
low hills n Ortigalita Creek
Comment
UC1296217
Eschscholzia lemmonii
R. F. Hoover
1949-4-2
7581
San Luis Obispo
7 mi ne Creston (on Shandon Rd)
Comment
CAS-BOT-BC419555
Eschscholzia lobbii
Robert F. Hoover
1938-3-12
2839
Solano
Near Wolfskill
Comment
UC765979
Eschscholzia lobbii
Robert F. Hoover
1935-3-15
332
Stanislaus
Claus San Joaquin Valley
Comment
UC765983
Eschscholzia lobbii
Robert F. Hoover
1935-3-2
266
Merced
7 mi n Merced; San Joaquin Valley
Comment
OBI11743
Eschscholzia minutiflora subsp. covillei
Robert F. Hoover
1958-4-19
8456
Kern
S of Jawbone Cyn, W edge of Mojave Desert
Comment
UC765111
Euphorbia crenulata
R. F. Hoover
1936-6-19
1347
Tuolumne
Brightman Flat
Comment
CAS-BOT-BC26147
Euphorbia hooveri
Robert F. Hoover
1937-6-30
2583
Tulare
Yettem
Comment
CAS-BOT-BC26148
Euphorbia hooveri
R. F. Hoover
1937-6-30
2583
Tulare
Yettem
Comment
OBI14399
Euphorbia ocellata
Robert F. Hoover
1969-10-6
11647
Santa Barbara
Cuyama
Comment
OBI16995
Eurybia integrifolia
Robert F. Hoover
1967-9-5
10827
Placer
Carnelian Bay, Lake Tahoe
Comment
JEPS31917
Eurybia radulina
R. F. Hoover
1937-8-24
2692
Tuolumne
North Fork canyon e of Tuolumne City
Comment
OBI77532
Euthamia occidentalis
Robert F. Hoover
1965-9-7
9542
San Luis Obispo
Santa Lucia range. Santa rita crk W of Templeton
Comment
OBI4926
Extriplex californica
Robert F. Hoover
1965-10-1
9705
San Luis Obispo
Cuesta-by-the-sea, S shore of Morro Bay
Comment
OBI21815
Festuca bromoides
Robert F. Hoover
1964-4-14
8712
San Luis Obispo
San Luis Obispo
Comment
UC766903
Festuca californica
R. F. Hoover
1941-4-26
4926
Napa
canyon n Pope Valley (on road to Butts Canyon)
Comment
OBI21829
Festuca elmeri
Robert F. Hoover
1964-5-14
8860
San Luis Obispo
See Cyn
Comment
UC766934
Festuca kingii
R. F. Hoover
1941-7-29
5544
Mono
upper valley Deep Creek; Sweetwater Mts.
Comment
OBI21960
Festuca perennis
Robert F. Hoover
1964-6-9
9009
San Luis Obispo
Chaplin Ln, San Luis Obispo
Comment
UC767541
Festuca subulata
R. F. Hoover
1940-8-4
4528
Tuolumne
n side Pigeon Flat
Comment
CAS-BOT-BC52673
Frangula californica subsp. californica
R. F. Hoover
1965-9-7
9522
San Luis Obispo
Santa Rita Creek west of Templeton
Comment
CAS-BOT-BC52672
Frangula californica subsp. californica
R. F. Hoover
1965-9-15
9559
San Luis Obispo
North slope of Garcia Mountain, south of Pozo
Comment
CAS-BOT-BC53592
Frangula californica subsp. tomentella
R. F. Hoover
1946-10-27
6536
San Luis Obispo
Canyon opening south into Cuyama River, opposite Pioneer Grove (which is in Santa Barbara Co.)
Comment
CAS-BOT-BC53593
Frangula californica subsp. tomentella
R. F. Hoover
1946-9-22
6438
San Luis Obispo
West of Paso Robles on road to Adelaida
Comment
CAS-BOT-BC211644
Frankenia salina
R. F. Hoover
1965-9-19
9625
San Luis Obispo
Carrizo Plain on west side of Soda Lake
Comment
OBI9081
Fremontodendron californicum
Robert F. Hoover
1965-6-5
9417
San Luis Obispo
Santa Lucia Range; Just N of summit of Adelaida-Cambria rd
Comment
OBI21372
Fritillaria agrestis
Robert F. Hoover
1966-3-25
9743
Alameda
Site of Greenville, at W base of Altamont Pass
Comment
CAS-BOT-BC130271
Fritillaria biflora
R. F. Hoover
1964-5-12
8801
San Luis Obispo
Los Osos Valley
Comment
OBI21378
Fritillaria biflora
Robert F. Hoover
1964-5-12
8801
San Luis Obispo
Los Osos Valley
Comment
JEPS28192
Fritillaria striata
Robt. F. Hoover
1936-2-29
738
Tulare
Frazier Valley
Comment
OBI9951
Galium andrewsii
Robert F. Hoover
1964-6-5
8908
San Luis Obispo
Santa Lucia Range. Ridge SE of Cuesta pass
Comment
JEPS35328
Galium andrewsii subsp. intermedium
R. F. Hoover
1964-6-5
8908
San Luis Obispo
ridge se Cuesta Pass; Santa Lucia Range
Comment
SBBG94424
Galium angustifolium subsp. angustifolium
R. F. Hoover
1946-6-2
6114
San Luis Obispo
5 mi SE of Santa Margarita on rd to Pozo
Comment
UC766036
Galium bolanderi
R. F. Hoover
1938-5-29
3519
Madera
near Raymond (on road to Coarsegold)
Comment
UC762355
Galium californicum subsp. californicum
Robert F. Hoover
1941-5-24
5204
Monterey
Pacific Grove
Comment
OBI9937
Galium californicum subsp. flaccidum
Robert F. Hoover
1964-6-6
8941
San Luis Obispo
Ridge NW of Cuesta Pass
Comment
UC766034
Galium porrigens
R. F. Hoover
1937-6-3
2363
Tuolumne
3 mi n Keystone
Comment
OBI14167
Garrya elliptica
Robert F. Hoover
1947-6-3
7268
San Luis Obispo
Price Cyn
Comment
RSA41102
Gayophytum diffusum subsp. parviflorum
Robert F. Hoover
1938-7-15
3655
Tuolumne
Brightman Flat.
Comment
RSA41101
Gayophytum heterozygum
Robert 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
OBI14087
Geranium dissectum
Robert F. Hoover
1965-5-22
9380
San Luis Obispo
Cambria, N of town
Comment
UC1023809
Gilia achilleifolia subsp. achilleifolia
R. F. Hoover
1947-3-26
6768
San Luis Obispo
Price Canyon
Comment
UC963973
Gilia aliquanta subsp. aliquanta
R. F. Hoover
1938-4-16
3121
Los Angeles
near Bailey's; Upper Antelope Valley
Comment
UC963960
Gilia capitata subsp. capitata
R. F. Hoover
1938-7-15
3648
Tuolumne
Brightman Flat
Comment
JEPS86027
Gilia minor
R. F. Hoover
1937-4-11
1843
Kern
7 mi s Shafter; s of Shafter
Comment
UC964724
Gilia minor
R. F. Hoover
1941-3-24
4814
Kings
Tar Canyon
Comment
UC1184107
Githopsis diffusa subsp. diffusa
R. F. Hoover
1941-5-25
5262
Monterey
Mill Creek San Lucia Mountains
Comment
UC764573
Githopsis specularioides
R. F. Hoover
1939-4-18
4035
Sonoma
Occidental
Comment
UC596539
Glycyrrhiza lepidota
R. F. Hoover
1935-8-3
707
Stanislaus
Grayson
Comment
RSA216839
Gnaphalium ramosissimum
Robert F. Hoover
1966-10-1
10106
San Luis Obispo
Vasquez Canyon, tributary to lower Lopez Canyon.
Comment
UC769865
Goodmania luteola
Robert F. Hoover
1936-10-1
1609
Madera
4 mi sw Chowchilla
Comment
RSA201692
Grayia spinosa
Robert F. Hoover
1952-4-20
8139
San Luis Obispo
Low hills near N end of Elkhorn Plain, W base of Temblor Range.
Comment
CAS-BOT-BC304983
Grindelia hirsutula
R. F. Hoover
1965-9-24
9647
San Joaquin
River Road near San Joaquin River just north of Stanislaus Co. line
Comment
CAS-BOT-BC305012
Grindelia hirsutula
R. F. Hoover
1965-9-24
9644
Stanislaus
Maze Road near San Joaquin River west of Modesto
Comment
JEPS41909
Grindelia hirsutula
R. F. Hoover
1934-9-15
1
Stanislaus
Modesto
Comment
UC1321236
Grindelia hirsutula
R. F. Hoover
1966-9-8
9965
Monterey
Castroville
Comment
UC764858
Guillenia flavescens
R. F. Hoover
1938-3-19
2863
San Joaquin
near Alameda County line; Corral Hollow
Comment
UC765136
Guillenia flavescens
R. F. Hoover
1938-3-10
2836
Alameda
summit of grade on Livermore- Tesla road
Comment
CAS-BOT-BC302375
Hazardia squarrosa var. squarrosa
R. F. Hoover
1964-10-3
9316
San Luis Obispo
Mouth of Coon Creek
Comment
CAS-BOT-BC302415
Hazardia stenolepis
R. F. Hoover
1946-10-6
6474
San Luis Obispo
East side of Cottonwood Pass, w. of Kern Co. line
Comment
OBI75124
Hazardia stenolepis
Robert F. Hoover
1946-10-6
6474
San Luis Obispo
East side of Cottonwood pass, w of Kern Co. line
Comment
OBI75126
Hazardia stenolepis
Robert F. Hoover
1947-9-19
7402
San Luis Obispo
1 mi W of Pozo
Comment
UC1285356
Hazardia stenolepis
R. F. Hoover
1946-10-19
6501
San Luis Obispo
nw of Pozo (Pilitas Creek district); Pilitas Creek
Comment
OBI16337
Helenium puberulum
Robert F. Hoover
1964-8-14
9261
San Luis Obispo
Jack Lake
Comment
RSA212259
Helianthemum scoparium var. scoparium
Robert F. Hoover
1947-3-26
6755
San Luis Obispo
Oak Park district
Comment
JEPS34875
Helianthus bolanderi
R. F. Hoover
1936-10-1
1595
Merced
El Nido
Comment
JEPS35465
Helianthus bolanderi
R. F. Hoover
1936-10-1
1595
Merced
El Nido
Comment
CAS-BOT-BC305546
Helianthus bolanderi
R. F. Hoover
1969-7-13
11470
San Luis Obispo
Salinas River bed at Atascadero
Comment
OBI16315
Helianthus gracilentus
Robert F. Hoover
1952-6-10
8249
San Luis Obispo
W side of La Panza Range, on slope swept by fire last summer
Comment
CAS-BOT-BC306075
Hemizonia congesta subsp. clevelandii
R. F. Hoover
1966-8-23
9924
Lake
Valley of St. Helena Creek south of Middletown
Comment
UC1392619
Hemizonia congesta subsp. lutescens
R. F. Hoover
1969-8-8
11524
Monterey
2 mi s Pajaro (at junction of Hall Road and Elkhorn Road)
Comment
CAS-BOT-BC309864
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1964-6-13
9106
San Luis Obispo
San Bernardo Creek east of Morro Bay
Comment
CAS-BOT-BC314858
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1937-9-2
2709
Contra Costa
Walnut Creek
Comment
OBI16219
Hemizonia congesta subsp. luzulifolia
Robert F. Hoover
1964-6-13
9106
San Luis Obispo
San Bernardo Crk E of Morro Bay
Comment
UC1357612
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1965-9-19
9589
San Luis Obispo
2 mi e Santa Margarita
Comment
UC1392634
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1969-8-15
11546
San Luis Obispo
valley w Mt. Bishop
Comment
UC762755
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1939-4-25
4061
Contra Costa
Richmond hills Richmond
Comment
OBI16205
Hemizonia congesta subsp. luzulifolia
Robert F. Hoover
1966-8-31
9947
Contra Costa
N of Livermore Valley on Highland rd
Comment
OBI16225
Hemizonia congesta subsp. luzulifolia
Robert F. Hoover
1969-6-23
11386
San Luis Obispo
San Luis Obispo, end of Lawrence Dr
Comment
OBI16230
Hemizonia congesta subsp. luzulifolia
Robert F. Hoover
1966-8-23
9918
Sonoma
Mark West Creek, on Santa Rosa-Calistoga Rd near jctn of St Helena Rd
Comment
UC771657
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1946-6-22
6179
San Luis Obispo
range n of campus California Polytechnic School; San Luis Obispo
Comment
OBI16139
Hemizonia increscens subsp. foliosa
Robert F. Hoover
1946-9-15
6404
San Luis Obispo
Pozo
Comment
CAS-BOT-BC123541
Hemizonia increscens subsp. increscens
Robert Francis Hoover
1947-8-9
7361
San Luis Obispo
Between San Carpoforo Creek and Arroyo de la Cruz
Comment
CAS-BOT-BC291996
Hemizonia pallida
R. F. Hoover
1947-5-10
7145
San Luis Obispo
East edge of Cuyama Valley near Kern Co. line
Comment
NY179277
Hemizonia paniculata subsp. foliosa
R. F. Hoover
1946-9-15
6404
San Luis Obispo
Pozo
Comment
RSA216800
Hemizonia parryi subsp. congdonii
Robert F. Hoover
1966-9-8
9963
Monterey
Natividad, in formerly cultivated fields on Old Stage Road south of intersection of Old Natividad Road.
Comment
OBI16476
Hesperevax acaulis var. acaulis
Robert F. Hoover
1947-3-30
6821
San Luis Obispo
E Branch of Huerhuero crk about 5 mi S of Creston
Comment
OBI7224
Hesperocyparis sargentii
Robert F. Hoover
1968-2-10
10890
San Luis Obispo
Ridge NW of Cuesta Pass
Comment
OBI7226
Hesperocyparis sargentii
Robert F. Hoover
1968-2-10
10891
San Luis Obispo
Ridge NW of Cuesta Pass
Comment
UC762267
Hesperolinon californicum
R. F. Hoover
1938-6-6
3532
Stanislaus
lower part Del Puerto Canyon
Comment
UC762271
Hesperolinon californicum
R. F. Hoover
1939-5-27
4110
Alameda
upper end Corral Hollow
Comment
UC762272
Hesperolinon tehamense
R. F. Hoover
1939-5-11
4101
Tehama
foothills above Paskenta (on road to Covelo)
Comment Read comments Dec 30 2018
CAS-BOT-BC167464
Hesperolinon tehamense
Robert F. Hoover
1939-5-11
4101
Tehama
Foothills above Paskenta on road to Covelo
Comment
UC764540
Heterocodon rariflorum
R. F. Hoover
1936-6-22
1379
Alpine
Stanislaus County Y.M.C.A. Camp
Comment
UC762720
Heterotheca villosa var. minor
R. F. Hoover
1939-7-23
4154
Tuolumne
n side Pigeon Flat
Comment
UC1296136
Heuchera micrantha
R. F. Hoover
1964-5-12
8806
San Luis Obispo
Upper Lopez Canyon
Comment
UC764943
Heuchera pilosissima
Robert F. Hoover
1941-5-25
5253
Monterey
Palo Colorado Canyon; Santa Lucia Mountains
Comment
UC764093
Hoita macrostachya
R. F. Hoover
1937-6-15
2462
Tuolumne
Mocassin Creek Basin; upper end, on road to Coulterville
Comment
UC764639
Hoita macrostachya
R. F. Hoover
1937-6-15
2462
Tuolumne
Mocassin Creek Basin; upper end, on road to Coulterville
Comment
UC1285206
Hoita macrostachya
R. F. Hoover
1964-8-13
9215
San Luis Obispo
San Bernardo Creek
Comment
UC768468
Hollisteria lanata
R. F. Hoover
1937-4-11
1818
Kern
Edison
Comment
UC769819
Hollisteria lanata
R. F. Hoover
1937-7-14
2612
Fresno
7 mi from Mendota (on Panoche Road); Panoche Road
Comment
JEPS12600
Holocarpha heermannii
R. F. Hoover
1937-7-17
2625
Stanislaus
Lower Del Puerto Canyon
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
UC762670
Holocarpha heermannii
R. F. Hoover
1937-7-17
2625
Stanislaus
Comment
UC1392849
Holocarpha macradenia
R. F. Hoover
1969-8-8
11523
Monterey
2 mi s Pajaro (at junction of Hall Road and Elkhorn Road)
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-BC324617
Holocarpha virgata
R. F. Hoover
1965-9-24
9648
Contra Costa
Foothills west of Byron east of Kellogg Creek
Comment
UC1357618
Holocarpha virgata subsp. virgata
R. F. Hoover
1965-8-28
9511
Stanislaus
9 mi e Waterford
Comment
UC596181
Hordeum depressum
R. F. Hoover
1935-2-9
229
Stanislaus
10 mi S of Modesto
Comment
UC769876
Hordeum depressum
R. F. Hoover
1935-2-9
229
Stanislaus
10 mi S of Modesto
Comment
OBI21917
Hordeum depressum
Robert F. Hoover
1947-3-30
6850
San Luis Obispo
1 mi S of Simmler, Carrizo plain
Comment
UC768763
Hordeum jubatum
R. F. Hoover
1936-5-22
1217
Glenn
Norman
Comment
UC769874
Hordeum marinum subsp. gussoneanum
R. F. Hoover
1937-3-25
1697
Merced
3 mi se Merced
Comment
UC768572
Hordeum murinum subsp. glaucum
R. F. Hoover
1946-3-30
6036
Kings
Kettleman Hills
Comment
UC763980
Horkelia bolanderi
R. F. Hoover
1938-9-5
3815
Lake
3 mi w Lower Lake
Comment
CAS-BOT-BC536136
Horkelia californica
R. F. Hoover
1964-3-26
8655
San Luis Obispo
Near mouth of Arroyo de la Cruz
Comment
OBI10090
Horkelia cuneata subsp. sericea
Robert F. Hoover
1964-8-14
9248
San Luis Obispo
Jack Lake
Comment
CAS-BOT-BC537326
Horkelia cuneata var. cuneata
R. F. Hoover
1969-5-3
11288
San Luis Obispo
4 mi. W of Nipomo
Comment
CAS-BOT-BC144073
Horkelia parryi
Robert F. Hoover
1937-6-10
2421
Amador
Ione
Comment
UC767611
Hydrophyllum occidentale
R. F. Hoover
1936-7-14
1539
Tuolumne
Eagle Meadow
Comment
UC963989
Ipomopsis aggregata subsp. bridgesii
R. F. Hoover
1938-8-17
3765
Mariposa
above falls (Bridalveil Creek Canyon)
Comment
JEPS19091
Isocoma acradenia var. bracteosa
Robert F. Hoover
1934-10-20
187
Stanislaus
10 mi s Modesto
Comment
OBI23290
Isocoma acradenia var. bracteosa
Robert F. Hoover
1969-9-19
11599
San Luis Obispo
Palo Prieto cyn
Comment
OBI16005
Isocoma acradenia var. bracteosa
Robert F. Hoover
1965-9-19
9618
San Luis Obispo
Near San Juan River, La Panza Ranch
Comment
UC1392803
Isocoma menziesii var. diabolica
R. F. Hoover
1969-9-26
11619
San Benito
near confluence Willow Creek; San Benito River
Comment
OBI23536
Isocoma menziesii var. vernonioides
Robert F. Hoover
1969-9-23
11610
San Luis Obispo
Morro Bay, south end
Comment
UC1321278
Isocoma menziesii var. vernonioides
R. F. Hoover
1966-9-12
9990
San Luis Obispo
just n Santa Maria River (near Santa Maria)
Comment
CAS-BOT-BC61904
Isoetes nuttallii
R. F. Hoover
1965-5-22
9395
San Luis Obispo
Cambria, north of town
Comment
OBI22581
Isolepis cernua
Robert F. Hoover
1965-5-22
9406
San Luis Obispo
Cambria, N of town
Comment
SEINET4170780
Isolepis cernua
R. F. Hoover
1946-7-21
6229
San Luis Obispo
Seashore nw. of Cambria
Comment
HSC81319
Iva axillaris
D. A. Hoover
1985-8-14
657
San Bernardino
Big Morongo Preserve, The Nature Conservancy, S of Morongo Valley; at the start of the trail to the barn
762
Comment
CAS-BOT-BC139776
Ivesia gordonii
Robert F. Hoover
1940-7-24
4451
Alpine
West side of Sonora Peak
Comment
CAS-BOT-BC340131
Jaumea carnosa
R. F. Hoover
1947-10-11
7407
San Luis Obispo
Near Piedras Blancas Point
Comment
UC1392742
Jensia rammii
R. F. Hoover
1968-5-29
11138
El Dorado
Garden Valley
Comment
CAS-BOT-BC324924
Jensia yosemitana
R. F. Hoover
1938-7-15
3649
Tuolumne
Brightman's Flat
Comment
OBI4946
Juglans hindsii
Robert F. Hoover
1965-9-18
9574
San Luis Obispo
Trout Crk just E of Santa Margarita
Comment
OBI21089
Juncus acutus subsp. leopoldii
Robert F. Hoover
1964-6-11
9047
San Luis Obispo
Cuesta-by-the-Sea, S shore of Morro Bay
Comment
OBI21129
Juncus breweri
Robert F. Hoover
1967-5-6
10553
San Luis Obispo
S of Oso Flaco Lake
Comment
UC765803
Juncus ensifolius
R. F. Hoover
1939-7-22
4150
Tuolumne
n side Pigeon Flat
Comment
UC771779
Juncus lescurii
R. F. Hoover
1946-9-19
6424
San Luis Obispo
Oceano Beach
Comment
OBI21169
Juncus luciensis
Robert F. Hoover
1958-5-12
8472
San Luis Obispo
18 mi E of Creston on La Panza Rd
Comment
UC765893
Juncus uncialis
R. F. Hoover
1937-5-6
2095
Merced
Ryer
Comment
UC1146334
Juncus xiphioides
R. F. Hoover
1947-7-8
7283
San Luis Obispo
Steiner Creek Serrano Canyon
Comment
UC1321347
Justicia californica
R. F. Hoover
1966-10-15
10163
Riverside
Dead Indian Canyon
Comment
JEPS11136
Keckiella corymbosa
R. F. Hoover
1939-9-4
4209
Mendocino
near Piercy
Comment
OBI59453
Keckiella corymbosa
Robert F. Hoover
1939-9-4
4209
Mendocino
Piercy
Comment
UC768756
Kochia californica
R. F. Hoover
1937-6-30
2567
Madera
4 mi. s.w. Chowchilla
Comment
OBI21940
Koeleria macrantha
Robert F. Hoover
1947-5-9
7132
San Luis Obispo
Middle Branch of Huerhuero Crk, N of Wells Corner
Comment
OBI22159
Koeleria macrantha
Robert F. Hoover
1947-5-14
7165
San Luis Obispo
Steiner Crk ("Serrano Cyn")
Comment
UC767072
Koeleria phleoides
R. F. Hoover
1941-4-19
4853
Stanislaus
8 mi w Newman
Comment
CAS-BOT-BC273727
Koeleria pyramidata
R. F. Hoover
1947-4-26
7102
San Luis Obispo
5 mi. e. of Creston on La Panza road
Comment
OBI15971
Lactuca virosa
Robert F. Hoover
1969-8-15
11543
San Luis Obispo
San Luis Obispo: Santa rosa St. near Foothill Blvd
Comment
JEPS41831
Laennecia coulteri
R. F. Hoover
1939-8-19
4204
Stanislaus
at San Joaquin River Maze Road; San Joaquin River
Comment
OBI15959
Lagophylla diabolensis
Robert F. Hoover
1946-5-31
6098
San Benito
First ridge on Hernandez Rd after it leaves Hollister King City rd
Comment
JEPS19939
Lagophylla dichotoma
R. F. Hoover
1938-5-9
3377
Stanislaus
Knights Ferry
Comment
OBI15967
Lagophylla glandulosa
Robert F. Hoover
1965-10-16
9719
Butte
Deer Crk rd E of Chico
Comment
CAS-BOT-BC341606
Lagophylla ramosissima
R. F. Hoover
1965-9-19
9624
San Luis Obispo
West edge of Carrizo Plain, west of Simmler
Comment
JEPS19946
Lagophylla ramosissima
R. F. Hoover
1936-10-1
1620
Merced
Amsterdam
Comment
UC596318
Lagophylla ramosissima
R. F. Hoover
1936-10-1
1620
Merced
Amsterdam
Comment
UC596507
Lagophylla ramosissima
R. F. Hoover
1934-10-21
172
Merced
Atwater
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
OBI10920
Lastarriaea coriacea
Robert F. Hoover
1950-5-5
7869
San Luis Obispo
S end of Morro Bay
Comment
CAS-BOT-BC339029
Lasthenia californica
R. F. Hoover
1967-5-13
10562
San Luis Obispo
Coast west of Cambria
Comment
JEPS10055
Lasthenia californica subsp. californica
R. F. Hoover
1937-4-17
1893
Alameda
Redwood Park road Oakland Hills
Comment Read comments Jun 15 2007
JEPS10047
Lasthenia californica subsp. californica
R. F. Hoover
1937-4-24
2004
Stanislaus
between Oakdale and Warnerville
Comment
UC762097
Lasthenia californica subsp. macrantha
R. F. Hoover
1941-5-21
5175
Marin
Point Reyes
Comment
UC762612
Lasthenia californica subsp. macrantha
Robert F. Hoover
1941-5-21
5155
Marin
Point Reyes
Comment
CAS-BOT-BC354159
Lasthenia chrysantha
R. F. Hoover
1936-3-21
810
Merced
5 miles s. of Merced.
Comment
UC761820
Lasthenia chrysantha
R. F. Hoover
1940-4-12
4328
Stanislaus
near San Joaquin River; Carpenter Road
Comment
JEPS10046
Lasthenia debilis
R. F. Hoover
1938-5-16
3446
Madera
near Chowchilla River (on Mariposa-Raymond road)
Comment
UC1315025
Lasthenia debilis
R. F. Hoover
1967-4-16
10473
San Luis Obispo
canyon near n end Elkhorn Plain; Temblor Range
Comment
JEPS10066
Lasthenia fremontii
R. F. Hoover
1936-4-11
926
Tulare
near Earlimart; Deer Bridge
Comment
JEPS3059
Lasthenia fremontii
R. F. Hoover
1936-4-11
944
Kern
Semitropic
Comment
JEPS9817
Lasthenia fremontii
R. F. Hoover
1936-3-21
824
Madera
8 mi w of Califa
Comment
UC1315032
Lasthenia fremontii
R. F. Hoover
1967-4-8
10372
San Luis Obispo
near n end Soda Lake; Carrizo Plain
Comment
JEPS10067
Lasthenia fremontii
R. F. Hoover
1936-4-1
839
Stanislaus
s w of Modesto; San Joaquin River
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
UC1285407
Lasthenia gracilis
R. F. Hoover
1948-5-14
7526
San Luis Obispo
on ocean bluff s mouth of Islay Creek
Comment
UC596311
Lasthenia microglossa
R. F. Hoover
1938-3-27
2932
Kings
above Kettleman City; Kettleman Hills
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-BC368702
Lasthenia microglossa
R. F. Hoover
1958-3-22
8430
San Luis Obispo
Summit of Temblor Range at Kern County line, Simmler--McKittrick road
Comment
JEPS9820
Lasthenia minor
R. F. Hoover
1935-3-15
342
Stanislaus
Modesto
Comment
UC1284949
Lasthenia minor
R. F. Hoover
1958-3-19
8424
San Luis Obispo
near n base of Caliente Mt.; Carrizo Plain
Comment
UC596312
Lasthenia platycarpha
R. F. Hoover
1938-3-20
2872
Merced
Volta
Comment
RSA43246
Lathyrus vestitus subsp. vestitus
Robert F. Hoover
1947-3-1
6631
San Luis Obispo
Cambria
Comment
UC764798
Lathyrus vestitus var. vestitus
R. F. Hoover
1938-2-21
2757
Contra Costa
Point Richmond
Comment
JEPS13458
Layia carnosa
R. F. Hoover
1941-5-21
5151
Marin
Point Reyes
Comment
UC761889
Layia carnosa
R. F. Hoover
1941-5-21
5151
Marin
Point Reyes
Comment
UC761873
Layia chrysanthemoides
R. F. Hoover
1937-5-6
2082
San Joaquin
5 mi se Stockton
Comment
JEPS13429
Layia fremontii
R. F. Hoover
1937-5-18
2220
Sutter
Pleasant Grove
Comment
JEPS13501
Layia fremontii
Robert F. Hoover
1936-3-1
751
Fresno
Piedra
Comment
CAS-BOT-BC321703
Layia fremontii
R. F. Hoover
1937-4-10
1757
Madera
8 miles w. of Califa
Comment
CAS-BOT-BC321698
Layia gaillardioides
R. F. Hoover
1969-4-24
11267
Merced
Pacheco Pass, E of summit on old road
Comment
OBI15874
Layia gaillardioides
Robert F. Hoover
1969-4-24
11267
Merced
Pacheco Pass, E of summit on old rd
Comment
JEPS13502
Layia glandulosa
Robert F. Hoover
1935-3-10
315
Contra Costa
Antioch
Comment
UC761860
Layia glandulosa
R. F. Hoover
1935-3-10
315
Contra Costa
Antioch
Comment
CAS-BOT-BC320756
Layia glandulosa
R. F. Hoover
1915-6-10
10016
Monterey
Mission Creek; South Coast Ranges
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-BC321635
Layia glandulosa
R. F. Hoover
1947-4-20
6986
San Luis Obispo
Yaro Creek district N of Pozo
Comment
OBI15845
Layia glandulosa
Robert F. Hoover
1948-4-17
7480
San Luis Obispo
Commatti Cyn
Comment
CAS-BOT-BC328232
Layia heterotricha
R. F. Hoover
1940-3-23
4282
Kings
Near Tar Canyon, in foothills W of Avenal
Comment
UC1285421
Layia heterotricha
R. F. Hoover
1949-5-1
7646
San Luis Obispo
w side of Cottonwood Pass
Comment
UC1285422
Layia heterotricha
R. F. Hoover
1949-4-12
7601
San Luis Obispo
s end of Carrizo Plain
Comment
CAS-BOT-BC327196
Layia hieracioides
R. F. Hoover
1949-5-12
7666
San Luis Obispo
Between Mt. Bishop and Cerro Romauldo
Comment
CAS-BOT-BC327326
Layia hieracioides
R. F. Hoover
1956-4-26
8369
San Luis Obispo
Baywood Park
Comment
UC1285435
Layia hieracioides
R. F. Hoover
1956-4-26
8369
San Luis Obispo
Baywood Park
Comment
UC762528
Layia leucopappa
Robert F. Hoover
834
Kern
Comment Read comments Apr 25 2007
CAS-BOT-BC327542
Layia munzii
R. F. Hoover
1935-3-29
406
Fresno
Little Panoche Creek
Comment Read comments May 25 2020
CAS-BOT-BC327547
Layia munzii
Robert F. Hoover
1936-3-21
829
Fresno
Little Panoche wash
Comment Read comments May 25 2020
CAS-BOT-BC327643
Layia munzii
R. F. Hoover
1967-4-9
10390
San Luis Obispo
Carrizo Plain S of Soda Lake
Comment
GH414621
Layia munzii
R. F. Hoover
1938-3-27
2946
Unknown
Firebaugh
Comment
UC596303
Layia munzii
R. F. Hoover
1938-3-27
2946
Fresno
Firebaugh
Comment
UC761890
Layia munzii
R. F. Hoover
1940-3-22
4237
Fresno
9 mi s Mendota
Comment
CAS-BOT-BC327639
Layia munzii
R. F. Hoover
1949-5-1
7652
San Luis Obispo
Cholame Valley, at junction of Cottonwood & Polonio Pass Roads.
Comment
OBI15830
Layia munzii
Robert F. Hoover
1952-4-10
8107
San Luis Obispo
1 mi S of Simmler, Carrizo Plain
Comment
JEPS13508
Layia pentachaeta
R. F. Hoover
1935-3-30
462
Tulare
between Richgrove and Ducor
Comment
CAS-BOT-BC370774
Layia pentachaeta subsp. albida
R. F. Hoover
1941-3-23
4804
Kern
10 mi. n. of McKittrick
Comment
JEPS13451
Layia pentachaeta subsp. albida
R. F. Hoover
1941-3-22
4793
Kern
just above Bena; on Tehachapi Road
Comment
JEPS13452
Layia pentachaeta subsp. albida
R. F. Hoover
1944-3-23
4804
Kern
10 mi n of McKittrick
Comment
JEPS39170
Layia pentachaeta subsp. pentachaeta
R. F. Hoover
1936-3-17
785
Stanislaus
Knight's Ferry
Comment
JEPS13419
Layia platyglossa
R. F. Hoover
1937-3-25
1670
Merced
e base of Pacheco Pass
Comment
UC1285374
Layia platyglossa
R. F. Hoover
1948-4-17
7479
San Luis Obispo
Commatti Canyon
Comment
JEPS13434
Layia septentrionalis
R. F. Hoover
1938-4-23
3196
Yolo
grade on Rumsey; Arbuckle road
Comment
OBI21200
Lemna trisulca
Robert F. Hoover
1967-10-7
10881
San Luis Obispo
Oso Flaco Lake
Comment
UC762447
Lepechinia calycina
R. F. Hoover
1938-6-9
3560
Lake
South end of Clear Lake, low hills on E side
Comment
UC764786
Lepidium
R. F. Hoover
1938-2-27
2789
Alameda
e edge Livermore Valley
Comment
UC764784
Lepidium dictyotum
R. F. Hoover
1937-3-25
1638
Stanislaus
e of San Joaquin River (near Crows Landing bridge); Crows Landing
Comment
UC765058
Lepidium dictyotum
R. F. Hoover
1937-3-25
1660
Merced
9 mi w Los Banos
Comment
OBI15130
Lepidium draba
Robert F. Hoover
1964-7-11
9192
San Luis Obispo
Mouth of Chorro Crk
Comment
CAS-BOT-BC89480
Lepidium fremontii
R. F. Hoover
1969-4-14
11243
San Bernardino
3 miles east of Boron.
Comment
CAS-BOT-BC89503
Lepidium jaredii
Robert F. Hoover
1935-3-29
419
Fresno
Little Panoche Creek.
Comment Read comments Feb 21 2020
CAS-BOT-BC89506
Lepidium jaredii
R. F. Hoover
1958-3-19
8419
San Luis Obispo
Carrizo Plain south of Soda Lake.
Comment
UC1296287
Lepidium jaredii
R. F. Hoover
1958-3-19
8419
San Luis Obispo
s of Soda Lake; Carrizo Plain
Comment
UC765052
Lepidium jaredii
Robert F. Hoover
1935-5-5
419
Fresno
Little Panoche Wash
Comment Read comments Dec 6 2011
UC765038
Lepidium nitidum
Robert F. Hoover
1935-2-9
214
Merced
9 mi w Los Banos
Comment
UC765123
Lepidium nitidum
R. F. Hoover
1937-4-24
1979
Tuolumne
1 mi w Chinese Camp
Comment
UC767459
Lepidospartum squamatum
R. F. Hoover
1937-8-10
2661
Fresno
Cantua Creek wash
Comment
OBI21955
Leptochloa fusca subsp. fascicularis
Robert F. Hoover
1967-10-5
10874
San Luis Obispo
"Poly Canyon", San Luis Obispo
Comment
OBI11370
Leptosiphon liniflorus
R. F. Hoover
1996-8-31
9955
Alameda
Junction of Ames St and Raymond Road, north of livermore
Comment
OBI11356
Leptosiphon parviflorus
R. F. Hoover
1958-4-11
8449
San Luis Obispo
Atascadero-Creston road
Comment
OBI1683
Leptosyne calliopsidea
Robert F. Hoover
1948-4-17
7472
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
CAS-BOT-BC339266
Lessingia glandulifera var. glandulifera
R. F. Hoover
1937-7-29
2648
Kings
Ketleman Hills near Avenal
Comment
CAS-BOT-BC339440
Lessingia glandulifera var. glandulifera
R. F. Hoover
1965-9-19
9615
San Luis Obispo
La Panza district
Comment
CAS-BOT-BC339441
Lessingia glandulifera var. glandulifera
R. F. Hoover
1964-6-6
8974
San Luis Obispo
Los Osos
Comment
OBI15773
Lessingia glandulifera var. glandulifera
Robert F. Hoover
1966-10-16
10181
San Bernardino
Cajon cyn
Comment
JEPS20636
Lessingia leptoclada
R. F. Hoover
1938-9-9
3817
Stanislaus
La Grange
Comment
UC761915
Lessingia leptoclada
R. F. Hoover
1938-9-9
3822
Mariposa
grade from Coulterville to Bagby
Comment
UC761980
Lessingia leptoclada
R. F. Hoover
1938-9-9
3817
Stanislaus
La Grange
Comment
CAS-BOT-BC341736
Lessingia nana
Robert F. Hoover
1938-7-30
3707
Amador
Three miles southwest of Ione
Comment
JEPS20598
Lessingia nana
R. F. Hoover
1937-6-10
2406
Amador
3 mi sw Ione
Comment
CAS-BOT-BC341854
Lessingia nemaclada
R. F. Hoover
1938-9-9
3827
Mariposa
2 mi nw. of Coulterville
Comment
JEPS20650
Lessingia nemaclada
R. F. Hoover
1937-7-14
2615
Fresno
Mendota
Comment
SEINET11448034
Lessingia nemaclada
R. F. Hoover
1937-7-14
2615
Fresno
Mendota
Comment
UC1285343
Lessingia pectinata var. pectinata
R. F. Hoover
1946-8-25
6343
San Luis Obispo
Price Canyon
Comment
UC761937
Lessingia pectinata var. tenuipes
R. F. Hoover
1937-8-10
2673
Kern
3 mi w Wasco
Comment
UC761929
Lessingia tenuis
R. F. Hoover
1938-6-6
3536
Stanislaus
upper part Del Puerto Canyon
Comment
CAS-BOT-BC330420
Lessingia tenuis
R. F. Hoover
1846-8-18
6316
San Luis Obispo
Fernandez Creek, near N base of La Panza Range
Comment
CAS-BOT-BC330421
Lessingia tenuis
R. F. Hoover
1846-8-18
6316
San Luis Obispo
Fernandez Creek, near N base of La Panza Range
Comment
NY962819
Leucophysalis nana
R. F. Hoover
1941-7-28
5542
Mono
Upper Cottonwood Creek, Sweetwater Mountains
Comment
UC766151
Lewisia triphylla
Robert F. Hoover
1936-6-25
1406
Tuolumne
Brightman's Flat
Comment
UC1153381
Leymus X multiflorus
R. F. Hoover
1948-6-29
7551
San Luis Obispo
Tar Springs Creek
Comment
CAS-BOT-BC283688
Leymus condensatus
R. F. Hoover
1947-7-8
7285
San Luis Obispo
Steiner Creek [Serrano Canyon]
Comment
CAS-BOT-BC272237
Leymus pacificus
R. F. Hoover
1950-5-5
7866
San Luis Obispo
S. end of Morro Bay
Comment
UC1257326
Leymus triticoides
R. F. Hoover
1969-7-18
11483
San Luis Obispo
Price Canyon
Comment
CAS-BOT-BC272177
Leymus triticoides
R. F. Hoover
1946-6-1
6103
San Luis Obispo
North end of Morrow Bay
Comment
UC767663
Lilaea scilloides
R. F. Hoover
1938-4-13
3081
Stanislaus
10 mi w Modesto
Comment
OBI12569
Limnanthes douglasii subsp. rosea
Robert F. Hoover
1936-3-21
815
Merced
9 mi SW of Merced
Comment
OBI12580
Limnanthes montana
Robert F. Hoover
1938-5-16
3431
Mariposa
2 mi S of Mormon Bar
Comment
UC964014
Linanthus dichotomus
R. F. Hoover
1940-3-23
4249
Fresno
n end Kettleman Hills
Comment Read comments Jun 30 2019
OBI11393
Linanthus dichotomus subsp. dichotomus
R. F. Hoover
1958-3-19
8423
San Luis Obispo
Carrizo Plain, near N base of Caliente Mt
Comment
JEPS58431
Linanthus grandiflorus
R. F. Hoover
1938-4-30
3285
Merced
first ridge e Pacheco Pass summit
Comment
UC963935
Linanthus grandiflorus
R. F. Hoover
1938-4-30
3285
Merced
e of Pacheco Pass summit (first ridge)
Comment
UC964016
Linanthus liniflorus
R. F. Hoover
1936-4-13
957
Stanislaus
La Grange
Comment
UC907822
Linanthus parviflorus
R. F. Hoover
1941-5-20
5121
Santa Cruz
Ben Lomond
Comment
UC764934
Lithophragma bolanderi
Robert F. Hoover
1935-3-15
336
Stanislaus
four mi s Oakdale
Comment
OBI9766
Lithophragma cymbalaria
Robert F. Hoover
1950-3-31
7778
San Luis Obispo
18 mi E of Creston on La Panza Rd
Comment
OBI9762
Lithophragma heterophyllum
Robert F. Hoover
1969-5-20
11322
San Luis Obispo
Santa Lucia Range. Upper Las Tablas Crk
Comment
UC766223
Loeflingia squarrosa var. squarrosa
R. F. Hoover
1938-5-1
3319
Kings
near Avenal; Kettleman Hills
Comment
UC767174
Loeflingia squarrosa var. squarrosa
Robert F. Hoover
1936-4-10
895
Merced
opposite Cressey (near Merced R.)
Comment
OBI39875
Loeseliastrum matthewsii
D. A. Hoover
1985-4-11
310
San Bernardino
Morongo Cyn. SE of Morongo Valley. Along the ridge of the small cyn E of the pipeline rd and the upper Desert Wash Trl
777
Comment
SD45395
Loeseliastrum schottii
R. F. Hoover
1938-5-1
3326
Kings
Kettleman Hills near Avenal
Comment
OBI16465
Logfia filaginoides
Robert F. Hoover
1948-4-29
7493
San Luis Obispo
Price cyn
Comment
OBI8933
Lomatium californicum
Robert F. Hoover
1948-5-22
7539
San Luis Obispo
W of Paso Robles on rd to Adelaida
Comment
OBI54957
Lomatium caruifolium
Robert F. Hoover
1937-5-19
2257
Tehama
Near Vina
Comment
UC765483
Lomatium caruifolium var. denticulatum
Robert F. Hoover
1936-5-21
1182
Tehama
4 mi. s. Cottonwood
Comment
UC765836
Lomatium caruifolium var. denticulatum
Robert F. Hoover
1936-5-21
1157
Butte
2 mi. n. Chico
Comment
UC765515
Lomatium caruifolium var. denticulatum
R. F. Hoover
1939-5-10
4090
Placer
Lincoln
Comment
UC763135
Lomatium congdonii
R. F. Hoover
1937-6-15
2448
Tuolumne
3 mi. s. Chinese Camp
Comment
UC596084
Lomatium macrocarpum
R. F. Hoover
1937-6-15
2459
Tuolumne
Soulsbyville
Comment
UC763099
Lomatium macrocarpum
Robert F. Hoover
1937-4-17
1896
Alameda
on Redwood Park Rd. Oakland Hills
Comment
SEINET196147
Lomatium marginatum
Robert F. Hoover
1941-5-2
4987
Colusa
Just east of lake Coutny line on Williams Clear Lake highway
Comment
UCR39152
Lomatium mohavense
D. A. Hoover
1985-3-17
54
San Bernardino
Little San Bernardino Mountains, Big Morongo Preserve in Big Morongo Canyon, south of town of Morongo Valley. W-facing slope near top of Yucca Ridge Trail.
777
Comment
RSA201550
Lomatium mohavense subsp. mohavense
Robert F. Hoover
1953-5-24
8215
San Bernardino
Caliente Mountain. In sandy places from peak westward.
Comment Read comments Nov 25 2016
CAS-BOT-BC218444
Lomatium parvifolium
R. F. Hoover
1965-5-21
9378
San Luis Obispo
Ridge NW of Cuesta Pass, Santa Lucia Range
Comment
OBI8863
Lomatium parvifolium
Robert F. Hoover
1948-6-4
7541
San Luis Obispo
Mouth of "Serrano Cyn" (Steiner crk)
Comment
OBI19836
Lonicera hispidula
Robert F. Hoover
1950-6-20
7984
San Luis Obispo
Santa Lucia Range; 6 mi W of Templeton on road to Cambria
Comment
CAS-BOT-BC240816
Lonicera interrupta
R. F. Hoover
1966-7-13
9900
San Luis Obispo
5 1/2 mi. se. of Santa Margarita. Hill west of Salinas River opposite Pilitas Creek
Comment
UC1321324
Lotus
R. F. Hoover
1965-6-26
9458
Alameda
Skyline Drive, directly above Tunnel Oakland Hills
Comment
JEPS65136
Lotus grandiflorus var. grandiflorus
R. F. Hoover
1938-6-10
Lake
Borax Lake
Comment
UC1285177
Lotus heermannii
R. F. Hoover
1965-6-20
9447
San Luis Obispo
just n Oso Flaco Lake
Comment
UC764470
Lotus heermannii
R. F. Hoover
1938-9-18
3847
Marin
Tomales Point
Comment
UC764517
Lotus heermannii
R. F. Hoover
1938-8-7
3728
Monterey
between Big Sur and Little Sur River
Comment
UC1285199
Lotus scoparius
R. F. Hoover
1946-6-28
6199
San Luis Obispo
Oak Park district Oak Park
Comment
UC596527
Lotus stipularis var. ottleyi
R. F. Hoover
1938-5-9
3390
Tuolumne
Upper Moccasin Creek basin, on road to Coulterville Upper Moccasin Creek Basin
Comment
UC764535
Lotus wrangelianus
R. F. Hoover
1935-3-30
469
Tulare
between Richgrove and Ducor
Comment
UC764560
Lotus wrangelianus
R. F. Hoover
1938-5-1
3312
Kings
near Avenal; Kettleman Hills
Comment
OBI12952
Lupinus albifrons
Robert F. Hoover
1947-3-29
6773
San Luis Obispo
Atascadero
Comment
UC1392658
Lupinus albifrons
R. F. Hoover
1968-4-16
11041
Kern
Mt. Abel road
Comment
CAS-BOT-BC195766
Lupinus albifrons var. albifrons
R. F. Hoover
1949-5-12
7668
San Luis Obispo
Ridge southeast of Cuesta Pass
Comment
CAS-BOT-BC195750
Lupinus albifrons var. albifrons
R. F. Hoover
1950-5-7
7890
San Luis Obispo
North Fork of San Simeon Creek
Comment
SBBG17715
Lupinus albifrons var. collinus
R. F. Hoover
1947-3-29
6773
San Luis Obispo
Atascadero
Comment
OBI12958
Lupinus andersonii
Robert F. Hoover
1967-9-5
10834
Placer
Carnelian Bay, Lake Tahoe
Comment
CAS-BOT-BC196422
Lupinus arboreus
R. F. Hoover
1947-7-11
7298
San Luis Obispo
South end of Morro Bay
Comment
CAS-BOT-BC196427
Lupinus arboreus
R. F. Hoover
1947-3-2
6646
San Luis Obispo
Carpenter Canyon, n. of Arroyo Grande
Comment
OBI19306
Lupinus arboreus
Robert F. Hoover
1946-8-25
6340
San Luis Obispo
Oceano Blvd
Comment
UC764832
Lupinus argenteus var. meionanthus
R. F. Hoover
1939-7-28
4189
Tuolumne
Red Peak
Comment
OBI12951
Lupinus benthamii
Robert F. Hoover
1969-4-24
11270
Merced
Hill N of San Luis Dam
Comment
UC764852
Lupinus bicolor
R. F. Hoover
1937-4-10
1768
Fresno
Kerman
Comment
OBI12938
Lupinus bicolor
Robert F. Hoover
1969-5-3
11294
San Luis Obispo
3 mi W of Nipomo
Comment
SEINET10484884
Lupinus bicolor subsp. microphyllus
Robert F. Hoover
1967-4-5
Hoover 10341
San Luis Obispo
17 miles e of creston on la panza road, on branch of cammatti creek
Comment
CAS-BOT-BC215435
Lupinus cervinus
R. F. Hoover
1950-5-7
7903
San Luis Obispo
Pine Mountain above San Simeon
Comment
OBI25607
Lupinus chamissonis
R. L. Hoover
1968-4-11
20
Napa
One block W of hwy 1 on Palm Ave, Marina
Comment
OBI12916
Lupinus concinnus
Robert F. Hoover
1966-3-30
9745
San Luis Obispo
Windmill Crk, La Panza district
Comment
CAS-BOT-BC205389
Lupinus excubitus var. austromontanus
R. F. Hoover
1947-3-29
6773
San Luis Obispo
Atascadero
Comment
UC764555
Lupinus formosus var. robustus
Robert F. Hoover
1934-10-21
114
Merced
Livingston
Comment
HSC76451
Lupinus horizontalis var. horizontalis
Robert F. Hoover
1966-4-2
9786
San Luis Obispo
Canyon behind old 'sheep camp' on E side of Soda Lake, W side of Temblor Range
Comment
HSC103252
Lupinus lapidicola
Lisa D. Hoover
2014-5-28
Del Norte
Six Rivers National Forest, Devil's Punchbowl Quad, Bear Basin, Bear Mtn. area.
1546
Comment
CAS-BOT-BC207231
Lupinus ludovicianus
R. F. Hoover
1964-5-11
8800
San Luis Obispo
Upper Arroyo Grande
Comment
CAS-BOT-BC207221
Lupinus ludovicianus
R. F. Hoover
1949-5-17
7702
San Luis Obispo
Upper Arroyo Grande, 6 mi. above county park.
Comment
UC764023
Lupinus microcarpus var. densiflorus
R. F. Hoover
1939-5-27
4109
Alameda
Upper end of Corral Hollow
Comment
UC764018
Lupinus microcarpus var. horizontalis
R. F. Hoover
1938-4-15
3102
Kern
Maricopa Hills
Comment
SBBG17731
Lupinus microcarpus var. horizontalis
R. F. Hoover
1965-4-14
7818
San Luis Obispo
Panorama Hills
Comment
OBI12854
Lupinus microcarpus var. microcarpus
Robert F. Hoover
1949-5-1
7641
San Luis Obispo
Summit of Cottonwood Pass
Comment
UC1285125
Lupinus microcarpus var. microcarpus
R. F. Hoover
1950-5-6
7886
San Luis Obispo
La Panza district
Comment
UC764034
Lupinus microcarpus var. microcarpus
R. F. Hoover
1939-4-15
4030
Merced
Pacheco Pass summit
Comment
OBI12836
Lupinus microcarpus var. microcarpus
Robert F. Hoover
1966-4-2
9800
San Luis Obispo
La Panza district, just W of San juan river
Comment
OBI12856
Lupinus microcarpus var. microcarpus
Robert F. Hoover
1967-5-20
10583
San Luis Obispo
W side of Carrizo Plain about 1 mi S of Calif Valley HQ
Comment
UC764132
Lupinus nanus
R. F. Hoover
1938-3-26
2903
Fresno
12 mi ne Coalinga; ne of Coalinga
Comment
UC764851
Lupinus nanus
R. F. Hoover
1937-4-23
1949
Tuolumne
2 mi n Keystone; n of Keystone
Comment
OBI17951
Lupinus nanus
Robert F. Hoover
1969-5-3
11291
San Luis Obispo
4 mi W of Nipomo
Comment
OBI12870
Lupinus nipomensis
Robert F. Hoover
1965-1
San Luis Obispo
Comment
UC764701
Lupinus pachylobus
R. F. Hoover
1940-4-7
4324
Stanislaus
Upper Crow Creek Canyon
Comment
OBI12863
Lupinus pachylobus
Robert F. Hoover
1950-4-30
7864
San Luis Obispo
17 mi E of Creston on La Panza Rd
Comment
SEINET10940185
Lupinus pachylobus
Hoover
1967-4-5
HOOVER 10340
San Luis Obispo
17 mi e of creston on la panza road, on branch of cammatti creek. Locally Plentiful in open oak woods, gravelly loam.
Comment
UC764831
Lupinus polyphyllus var. burkei
R. F. Hoover
1939-7-26
4164
Tuolumne
on Cooper Meadow Trail above Eagle Meadow; above Eagle Meadow on Cooper Meadow Trail
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
CAS-BOT-BC8281
Lupinus spectabilis
Robert Francis Hoover
1938-5-9
3397
Mariposa
Grade from Coulterville to Bagby
Comment
UC764702
Lupinus spectabilis
R. F. Hoover
1938-5-9
3400
Mariposa
grade from Coulterville to Bagby
Comment
UC764708
Lupinus stiversii
R. F. Hoover
1938-5-16
3438
Mariposa
hill betw. Mariposa Creek and Humbug Creek; btw Mariposa Creek and Humbug Creek
Comment
UC762876
Lupinus succulentus
R. F. Hoover
1937-4-11
1866
Fresno
near Coalinga
Comment
UC764131
Lupinus succulentus
R. F. Hoover
1938-3-20
2877
Merced
7 mi s Los Banos; s of Los Banos
Comment
UC764138
Lupinus truncatus
R. F. Hoover
1938-4-3
2991
Monterey
on grade e Gonzales; on grade e of Gonzales
Comment
UC766054
Luzula subsessilis
R. F. Hoover
1941-5-12
5066
Marin
Point Reyes Peninsula w Drake's Estero; Point Reyes Peninsula w of Drake's Estero
Comment
OBI32908
Lyonothamnus floribundus subsp. aspleniifolius
Robert L. Hoover
1970-5-14
s.n.
Santa Barbara
Santa Cruz Is. Montanon Range
Comment
OBI12414
Lythrum hyssopifolia
Robert F. Hoover
1968-5-28
11123
Shasta
Clough Crk at Old Alturas rd
Comment
UC761800
Madia elegans
R. F. Hoover
1937-6-25
2521
Tuolumne
below Long Barn; Sawmill Meadow
Comment
CAS-BOT-BC342840
Madia glomerata
R. F. Hoover
1967-9-5
10846
Placer
Carnelian Bay, Lake Tahoe
Comment
OBI15717
Madia gracilis
Robert F. Hoover
1963-7-24
8582
Tuolumne
Miwuk Village
Comment
UC1285330
Madia gracilis
R. F. Hoover
1950-5-22
7924
San Luis Obispo
summit of ridge above Cuesta Pass
Comment
UC762522
Madia radiata
R. F. Hoover
1941-3-24
4815
Kings
Tar Canyon, Reef Ridge
Comment
CAS-BOT-BC345104
Madia sativa
R. F. Hoover
1964-6-11
9029
San Luis Obispo
Los Osos Valley
Comment
OBI15700
Madia sativa
Robert F. Hoover
1965-9-7
9534
San Luis Obispo
Santa Lucia range. Santa rita crk W of Templeton
Comment
OBI15735
Madia sativa
Robert F. Hoover
1964-6-13
9098
San Luis Obispo
Point Sierra Nevada, just N of Arroyo de la Cruz
Comment
OBI15740
Madia sativa
Robert F. Hoover
1969-8-1
11512
San Luis Obispo
Cambria
Comment
CAS-BOT-BC345087
Madia sativa
R. F. Hoover
1965-9-29
9657
San Luis Obispo
Santa Lucia Range. North base of Cuesta Grade
Comment
POM311158
Madia yosemitana
Robert F. Hoover
1937-6-24
2510
Tuolumne
Broghtman Flat
Comment
GH376826
Mahonia pinnata
R. F. Hoover
1941-2-2
4739
Unknown
Inverness Ridge northwest of Inverness
Comment
CAS-BOT-BC514535
Maianthemum stellatum
R. F. Hoover
1964-5-13
8846
San Luis Obispo
Santa Rita Creek west of Templeton
Comment
CAS-BOT-BC231907
Malacothamnus aboriginum
Robert F. Hoover
1940-12-15
4715
San Benito
Ridge west of San Benito River below junction of James Creek
Comment
CAS-BOT-BC204133
Malacothamnus jonesii
R. F. Hoover
1963-8-6
8595
Monterey
Near Parkfield on Hog Canyon road, Cholame Hills
Comment
CAS-BOT-BC204170
Malacothamnus jonesii
R. F. Hoover
1950-5-28
7936
San Luis Obispo
Redrock Canyon, n. side of lower Cuyama Valley
Comment
CAS-BOT-BC216153
Malacothamnus palmeri
Robert F. Hoover
1939-6-4
4117
Monterey
Espinosa Canyon, San Lucas - Lockwood road
Comment
CAS-BOT-BC345437
Malacothrix clevelandii
R. F. Hoover
1950-5-6
7882
San Luis Obispo
Upper Navajo Creek, La Panza Range
Comment
CAS-BOT-BC347328
Malacothrix coulteri
R. F. Hoover
1967-3-27
10295
San Luis Obispo
Chalk Mt., north side of Cuyama Valley
Comment
CAS-BOT-BC347329
Malacothrix coulteri
R. F. Hoover
1952-4-8
8082
San Luis Obispo
La Panza district
Comment
JEPS36610
Malacothrix coulteri
R. F. Hoover
1937-4-10
1799
Kern
between Lost Hills and Semitropic; Snakes Head
Comment
UC769895
Malacothrix coulteri
R. F. Hoover
1938-4-15
3094
Kern
plain e Maricopa
Comment
JEPS35257
Malacothrix floccifera
R. F. Hoover
1947-4-4
6893
San Luis Obispo
w side Cottonwood Pass
Comment
OBI15663
Malacothrix glabrata
Robert F. Hoover
1967-3-27
10287
San Luis Obispo
Chalk Mt, Cuyama Valley
Comment
UC1315013
Malacothrix glabrata
R. F. Hoover
1967-4-9
10415
San Luis Obispo
near n end Elkhorn Plain; Temblor Range
Comment
UC596098
Malacothrix glabrata
R. F. Hoover
1937-4-11
1857
Kern
s of Lost Hills (Carneras Station)
Comment
JEPS35243
Malacothrix incana
R. F. Hoover
1946-7-24
6244
San Luis Obispo
s end Morro Bay
Comment
OBI15654
Malacothrix incana
Robert F. Hoover
1967-9-13
10863
San Luis Obispo
Oceano Beach
Comment
OBI15656
Malacothrix incana
Robert F. Hoover
1947-7-18
7310
San Luis Obispo
Oceano Beach
Comment
UC964753
Malacothrix saxatilis var. arachnoidea
Robert F. Hoover
1937-8-14
2685
Monterey
Carmel Valley
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
CAS-BOT-BC206682
Malva assurgentiflora
R. F. Hoover
1964-6-6
8966
San Luis Obispo
Los Osos
Comment
OBI12346
Malva neglecta
Robert F. Hoover
1965-9-29
9687
San Luis Obispo
Atascadero
Comment
UC763015
Malva parviflora
R. F. Hoover
1935-3-15
338
Stanislaus
Modesto
Comment
OBI39888
Marah macrocarpa
D. Hoover & G. Helmkamp, G. Helmkamp
1985-3-26
134
San Bernardino
Big Morongo Preserve, S of Morongo Valley; along the Mesquite trl just below the first footbridge
Comment
UC765599
Marah macrocarpa var. macrocarpa
R. F. Hoover
1938-4-16
3123
Los Angeles
between Fairmont and Lancaster
Comment
UC596048
Marah watsonii
R. F. Hoover
1938-3-12
2842
Yolo
near Rumsey; Cache Creek Canyon
Comment
UC770069
Marsilea vestita subsp. vestita
R. F. Hoover
1935-3-1
295
San Joaquin
5 mi sw Ripon
Comment
OBI15634
Matricaria occidentalis
Robert F. Hoover
1967-4-27
9761
San Luis Obispo
W side of Soda Lake, Carrizo Plain
Comment
CAS-BOT-BC422731
Meconella denticulata
R. F. Hoover
1951-4-15
8039
San Luis Obispo
Stoney Creek, tributary of Huasna R.
Comment
RSA201666
Medicago polymorpha
Robert F. Hoover
1953-5-28
8324
San Luis Obispo
Lopez Canyon
Comment
OBI12796
Medicago sativa
Robert F. Hoover
1966-9-12
9994
San Luis Obispo
Nipomo Crk SE of Nipomo
Comment
SEINET196266
Melica fugax
Robert F. Hoover
1941-7-17
5494
Tuolumne
Eagle Meadow
Comment
OBI21990
Melica harfordii
Robert F. Hoover
1950-6-21
8008
San Luis Obispo
Between Rocky Butte and Pine Mt, Santa Lucia Mts
Comment
UC767150
Melica imperfecta
R. F. Hoover
1938-4-2
2975
Monterey
lower Paloma Creek canyon
Comment
OBI22005
Melica torreyana
Robert F. Hoover
1947-5-31
7254
San Luis Obispo
Rinconada Mine W of Pozo
Comment
UC766858
Melica torreyana
R. F. Hoover
1941-6-8
5328
Lake
road from Middletown to Peterson's
Comment
UC767145
Melica torreyana
R. F. Hoover
1941-4-11
4833
Contra Costa
Marsh Creek Canyon
Comment
UC1285028
Melissa officinalis
R. F. Hoover
1960-7-6
8526
San Luis Obispo
4 mi. e. Cambria (Santa Rosa Creek); Santa Rosa Creek
Comment
UC771738
Melissa officinalis
R. F. Hoover
1946-8-3
San Luis Obispo
near dry water course Upper Coon Creek; San Luis Range, Upper Coon Creek
Comment
UC761957
Mentha X piperita
R. F. Hoover
1934-9-15
29
Stanislaus
Modesto
Comment
OBI13655
Mentha spicata
Robert F. Hoover
1947-8-16
7374
San Luis Obispo
Las Tablas Crk 3 mi N of Klau
Comment
OBI2697
Mentha spicata
Robert F. Hoover
1966-9-16
10023
San Luis Obispo
Santa Margarita Crk 2 mi N of Santa Margarita
Comment
UC1224771
Mentzelia affinis
R. F. Hoover
1947-3-30
6843
San Luis Obispo
west of Simmler (West edge of Carrizo Plain)
Comment
OBI12451
Mentzelia pectinata
Robert F. Hoover
1967-4-5
10358
San Luis Obispo
Between San Juan River and Carrizo Plain on Hwy 58
Comment
OBI12458
Mentzelia pectinata
Robert F. Hoover
1947-3-30
6834
San Luis Obispo
Fernandez Crk on La Panza-Shandon Rd
Comment
UC1224772
Mentzelia pectinata
R. F. Hoover
1952-4-20
8149
San Luis Obispo
between San Juan River (Carrizo Plain)
Comment
UC1392720
Mentzelia tricuspis
R. F. Hoover
1968-3-25
10982
San Bernardino
near Sacramento Spring (South-facing rocky slope)
Comment
CAS-BOT-BC167656
Mentzelia veatchiana
R. F. Hoover
1952-5-6
8153
San Luis Obispo
Six miles east of Creston on La Panza road
Comment
CAS-BOT-BC167660
Mentzelia veatchiana
R. F. Hoover
1952-5-6
8153
San Luis Obispo
Six miles east of Creston on La Panza Road
Comment
CAS-BOT-BC167661
Mentzelia veatchiana
R. F. Hoover
1950-4-2
7790
San Luis Obispo
West edge of Carrizo Plain. West of Simmler
Comment
OBI12479
Mentzelia veatchiana
Robert F. Hoover
1952-5-6
8153
San Luis Obispo
6 mi E of Creston, on La Panza Rd
Comment
UC1224769
Mentzelia veatchiana
R. F. Hoover
1952-5-6
8153
San Luis Obispo
6 mi e Creston (on La Panza road)
Comment
JEPS36163
Microseris acuminata
R. F. Hoover
1936-4-29
1039
Stanislaus
Warnerville
Comment
OBI15623
Microseris bigelovii
Robert F. Hoover
1948-6-7
7544
San Luis Obispo
1.8 mi N of Arroyo de la Cruz on state hwy 1
Comment
OBI15611
Microseris douglasii
Robert F. Hoover
1949-5-1
7649
San Luis Obispo
Cholame Valley, at jctn of Cottonwood and Polonio Pass rds
Comment
OBI15612
Microseris douglasii
Robert F. Hoover
1947-3-30
6854
San Luis Obispo
1 mi S of Simmler, Carrizo Plain
Comment
OBI15618
Microseris douglasii
Robert F. Hoover
1967-4-20
10488
San Luis Obispo
2 mi NW of Creston
Comment
CAS-BOT-BC348997
Microseris douglasii subsp. douglasii
R. F. Hoover
1949-4-21
7622
San Luis Obispo
14 mi. e. of Creston on La Panza road
Comment
UC1224749
Microseris douglasii subsp. tenella
R. F. Hoover
1949-4-21
7622
San Luis Obispo
14 mi e Creston (on La Panza road)
Comment
JEPS35714
Microseris nutans
R. F. Hoover
1936-7-3
1475
Tuolumne
Eagle Meadow
Comment
OBI11284
Microsteris gracilis
R. F. Hoover
1949-4-2
7566
San Luis Obispo
Cholame Valley at foot of Cottonwood Pass grade, on steep hillside in loose soil.
Comment
OBI9492
Mimulus aurantiacus var. aurantiacus
R. F. Hoover
1965-6-17
9438
San Luis Obispo
Santa Lucia Range; Ridge NW of Cuesta Pass
Comment
OBI9512
Mimulus aurantiacus var. aurantiacus
Robert F. Hoover
1969-7-18
11484
San Luis Obispo
Price Cyn
Comment
OBI9535
Mimulus aurantiacus var. aurantiacus
Robert F. Hoover
1967-4-12
10438
San Luis Obispo
Upper Arroyo Grande
Comment
OBI77135
Mimulus aurantiacus var. aurantiacus
Robert F. Hoover
1967-6-5
10623
San Luis Obispo
Arroyo Grande just below confluence of Lopez cyn (dam site)
Comment
OBI9444
Mimulus glaucescens
Robert F. Hoover
1968-5-29
11137
Butte
Cohasset Rd
Comment
JEPS9257
Mimulus latidens
R. F. Hoover
1936-4-10
899
Madera
Berenda
Comment
RSA296386
Mimulus latidens
Robert F. Hoover
1941-5-11
5028
Lake
2 miles northwest of Kelseyville.
Comment
JEPS8154
Mimulus layneae
Robert F. Hoover
1938-6-9
3574
Lake
Indian Valley
Comment
JEPS8232
Mimulus leptaleus
R. F. Hoover
1941-7-24
5528
Tuolumne
Huckleberry Lake
Comment
JEPS8251
Mimulus nanus var. mephiticus
R. F. Hoover
1936-7-1
1451
Tuolumne
trail to Kennedy Lake
Comment
JEPS11150
Mimulus nudatus
R. F. Hoover
1938-6-8
3544
Lake
Butts Canyon
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
RSA309394
Mimulus nudatus
Robert F. Hoover
1941-4-26
4928
Napa
Summit between Pope Valley and Butts Creek
Comment
SD71134
Minuartia californica
R. F. Hoover
1947-4-20
6990
San Luis Obispo
Yaro Creek district north of Pozo.
Comment
CAS-BOT-BC388822
Minuartia douglasii
R. F. Hoover
1947-3-29
6800
San Luis Obispo
5 mi. e. of Creston on La Panza road
Comment
OBI19557
Minuartia douglasii
Robert F. Hoover
1947-3-23
6717
San Luis Obispo
Rinconada Mine
Comment
OBI19569
Minuartia douglasii
Robert F. Hoover
1967-5-6
10542
San Luis Obispo
At Jack Lake
Comment
CAS-BOT-BC388819
Minuartia douglasii
R. F. Hoover
1949-5-30
7740
San Luis Obispo
San Simeon Creek
Comment
CAS-BOT-BC434578
Mirabilis laevis var. crassifolia
Robert F. Hoover
1940-4-6
s.n.
Merced
Mine Canyon, near Little Panoche Valley
Comment
UC765753
Mirabilis laevis var. crassifolia
R. F. Hoover
1940-4-6
4309
Merced
Mine Canyon, near Little Panoche Valley
Comment
UC596146
Monardella breweri
R. F. Hoover
1937-8-12
2681
Monterey
Upper Nacimiento River
Comment
CAS-BOT-BC219863
Monardella breweri subsp. breweri
R. F. Hoover
1952-5-25
8229
San Luis Obispo
Caliente Mt.
Comment
UC1285260
Monardella breweri subsp. lanceolata
R. F. Hoover
1950-6-2
7957
San Luis Obispo
Near summit between head of Salinas River and Stoney Creek
Comment
UC761795
Monardella candicans
R. F. Hoover
1936-4-29
1036
Stanislaus
8 mi e Oakdale
Comment
SEINET3996293
Monardella leucocephala
Robert F. Hoover
1935-7-27
693
Stanislaus
12 miles east of Waterford
Comment
RSA0008283
Monardella leucocephala
Robert F. Hoover
1935-7-27
693
Stanislaus
10 miles east of Waterford.
Comment
SEINET13948740
Monardella leucocephala
R. F. Hoover
1935-1
693
Stanislaus
Near oil well 12 mi E of Waterford
Comment
JEPS62415
Monardella purpurea
R. F. Hoover
1938-6-14
3609
Sonoma
3 mi west Graton on road to Occidental
Comment
OBI13620
Monardella sinuata subsp. sinuata
Robert F. Hoover
1947-7-16
7304
San Luis Obispo
Price Cyn
Comment
CAS-BOT-BC220284
Monardella undulata subsp. crispa
R. F. Hoover
1947-7-10
7292
San Luis Obispo
Short distance north of north edge of Santa Maria Valley on Guadalupe Arroyo Grande road
Comment
CAS-BOT-BC220295
Monardella undulata subsp. crispa
R. F. Hoover
1947-7-10
7292
San Luis Obispo
Short distance north of north edge of Santa Maria Valley on Guadalupe - Arroyo Grande road
Comment
OBI13640
Monardella undulata subsp. crispa
Robert F. Hoover
1947-8-8
7354
San Luis Obispo
Oceano
Comment
OBI76813
Monardella undulata subsp. undulata
Robert F. Hoover
1946-9-17
6421
San Luis Obispo
Oceano
30
Comment
RSA42970
Monardella undulata var. frutescens
Robert F. Hoover
1946-9-17
6421
San Luis Obispo
Oceano.
Comment
GH1368
Monardella undulata var. frutescens
R. F. Hoover
1947-7-10
7289
Unknown
North edge of Santa Maria Valley on Guadalupe-Arroyo Grande Road
Comment
CAS-BOT-BC214158
Monardella villosa subsp. obispoensis
R. F. Hoover
1946-6-23
6186
San Luis Obispo
Near summit at head of Carpenter Canyon, N. of Arroyo Grande
Comment
CAS-BOT-BC214159
Monardella villosa subsp. obispoensis
R. F. Hoover
1946-6-23
6186
San Luis Obispo
Near summit at head of Carpenter Canyon, N. of Arroyo Grande
Comment
UC771731
Monardella villosa subsp. obispoensis
R. F. Hoover
1946-6-22
6182
Monterey
coastal slope below Mt. Mars (near S.L.O. Co. line)
Comment
UC769907
Monolepis nuttalliana
R. F. Hoover
1938-4-9
3049
San Joaquin
lower end of Corral Hollow
Comment
CAS-BOT-BC327684
Monolopia congdonii
Robert F. Hoover
1935-3-29
428
Fresno
Between Mendota & Coalinga
Comment
CAS-BOT-BC327708
Monolopia congdonii
R. F. Hoover
1950-4-14
7828
San Luis Obispo
N end of Elkhorn Plain
Comment
CAS-BOT-BC327812
Monolopia gracilens
R. F. Hoover
1949-5-14
7670
San Luis Obispo
San Simeon Creek
Comment
UC797485
Monolopia lanceolata
R. F. Hoover
1941-3-23
4798
Kern
Elk Hills
Comment
UC618927
Monolopia major
Robert F. Hoover
1935-3-1
231
Stanislaus
Westley San Joaquin Valley
Comment
CAS-BOT-BC349632
Monolopia major
R. F. Hoover
1969-4-24
11262
San Benito
Along San Benito River just north of confluence of Willow Creek
Comment
OBI18696
Monolopia stricta
Robert F. Hoover
1967-3-28
10307
San Luis Obispo
Cyn in Temblor range near N end of Elkhorn Plain
Comment
UC1315038
Monolopia stricta
R. F. Hoover
1967-4-9
10397
San Luis Obispo
Elkhorn Scarp
Comment
OBI10899
Mucronea californica
Robert F. Hoover
1947-4-26
7104
San Luis Obispo
5 mi E of Creston on La Panza Rd
Comment
SD71170
Mucronea perfoliata
R. F. Hoover
1947-5-31
7248
San Luis Obispo
Navajo Creek, east side of La Panga Range, on dry sandy hills.
Comment
UC766418
Muhlenbergia asperifolia
R. F. Hoover
1941-7-5
5450
Mono
below Fales Hot Springs; Hot Creek
Comment
OBI22025
Muhlenbergia microsperma
Robert F. Hoover
1947-3-26
6750
San Luis Obispo
Price Cyn (just S of)
Comment
UC765414
Muilla maritima
R. F. Hoover
1936-2-28
731
Merced
near Le Grand
Comment
CAS-BOT-BC83315
Myosurus minimus
R. F. Hoover
1969-4-15
11249
Kern
5 miles north of Lost Hills.
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
UC766158
Myosurus minimus
R. F. Hoover
1938-4-13
3083
Stanislaus
10 mi w Modesto
Comment
UC767508
Myosurus minimus
Robert F. Hoover
1935-3-28
388
Stanislaus
10 mi w Modesto
Comment
CAS-BOT-BC83368
Myosurus minimus
R. F. Hoover
1967-4-8
10384
San Luis Obispo
Carrizo Plain near north end of Soda Lake.
Comment
CAS-BOT-BC83387
Myosurus minimus
R. F. Hoover
1966-3-25
9739
Stanislaus
Maze Road west of Modest at San Joaquin River.
Comment
UC762335
Myrica californica
R. F. Hoover
1938-9-18
3840
Marin
Tomales Point
Comment
OBI1168
Myriopteris intertexta
R. F. Hoover
1966-3-26
9744
Marin
West end of Mt. Tamalpais: ridge above rock spring.
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
UC771714
Nassella cernua
R. F. Hoover
1946-6-16
6161
San Luis Obispo
sandy hills La Panza district
Comment
JEPS70272
Navarretia eriocephala
R. F. Hoover
1937-6-3
2371
Tuolumne
Chinese Camp
Comment
SEINET196581
Navarretia filicaulis
Robert F. Hoover
1937-6-15
2461
Tuolumne
Upper end of Mocassin Creek basin on road to Coulterville
Comment
CAS-BOT-BC230295
Navarretia fossalis
R. F. Hoover
1968-6-6
11152
Riverside
1 mile E of Perris
Comment
UC763057
Navarretia hamata subsp. parviloba
R. F. Hoover
1941-5-20
5129
Santa Cruz
Ben Lomond
Comment
UC1392836
Navarretia hamata subsp. parviloba
R. F. Hoover
1969-6-5
11369
San Luis Obispo
Arroyo Grande Oak Park District
Comment
JEPS70347
Navarretia intertexta
R. F. Hoover
1937-5-18
2210
Sacramento
Rio Linda
Comment
UC762165
Navarretia intertexta
R. F. Hoover
1937-5-29
2337
Calaveras
Mercer's Cave
Comment
OBI83430
Navarretia intertexta
Robert F. Hoover
1968-5-28
11126
Shasta
Clough Creek at Old Alturas Road.
Comment
UC763069
Navarretia leucocephala subsp. pauciflora
Robert F. Hoover
1941-6-8
5341
Lake
Loch Lomond
Comment
JEPS15009
Navarretia mellita
R. F. Hoover
1938-6-9
3555
Lake
between Burns Valley and Borax Lake
Comment
OBI11318
Navarretia mellita
R. F. Hoover
1950-6-21
8007
San Luis Obispo
Between Rocky Butte and Pine Mt, Santa Lucia Range.
Comment
OBI11311
Navarretia mitracarpa
Robert F. Hoover
1950-6-21
8006
San Luis Obispo
Between Rocky Butte and Pine Mt, Santa Lucia Range
Comment
OBI11312
Navarretia mitracarpa
Robert F. Hoover
1949-5-29
7727
San Luis Obispo
Cottonwood Pass, W side
Comment
OBI11303
Navarretia pubescens
Robert F. Hoover
1965-6-29
9459
Mendocino
Summit on rd from Ukiah to Orr's Springs (head of York Crk)
Comment
SEINET196224
Navarretia pubescens
Robert F. Hoover
1939-5-6
4086
Fresno
Piedra
Comment
JEPS70469
Navarretia squarrosa
R. F. Hoover
1938-9-5
3813
Lake
s base of Mt. Konocti Mt. Konocti
Comment
UC762865
Navarretia tagetina
R. F. Hoover
1937-6-10
2405
Amador
4 mi sw Ione
Comment
UC596196
Navarretia viscidula
R. F. Hoover
1938-6-10
3592
Tehama
near Jelley's Ferry
Comment
OBI21000
Nemacladus californicus
Robert F. Hoover
1952-5-24
8200
San Luis Obispo
Caliente mtn
Comment
CAS-BOT-BC431349
Nemacladus californicus
R. F. Hoover
1952-5-24
8200
San Luis Obispo
Caliente Mt.
Comment
UC766321
Nemacladus capillaris
R. F. Hoover
1938-7-15
3644
Tuolumne
Brightman Flat
Comment
SEINET10464778
Nemacladus capillaris
Hoover
1938-7-15
HOOVER 3644
Tuolumne
Brightman Flat
Comment
JEPS24637
Nemacladus interior
R. F. Hoover
1941-5-30
5272
Stanislaus
1.3 mi s Hickman
Comment
JEPS7604
Nemacladus interior
R. F. Hoover
1936-5-27
1234
Stanislaus
9 mi e Waterford
Comment
SEINET10461192
Nemacladus interior
Hoover
1936-5-2
HOOVER 1106
Stanislaus
12 miles east of Waterford, near oil well
Comment
UC595994
Nemacladus montanus
R. F. Hoover
1936-5-2
1106
Stanislaus
12 mi e Waterford (near oil well)
Comment
OBI20984
Nemacladus ramosissimus
Robert F. Hoover
1952-5-11
8174
San Luis Obispo
W slope of La Panza Range
Comment
UC1276319
Nemacladus ramosissimus
R. F. Hoover
1951-4-15
8043
San Luis Obispo
Stony Creek
Comment
JEPS35256
Nemacladus secundiflorus var. robbinsii
R. F. Hoover
1947-4-2
6859
San Luis Obispo
6 mi above County Park; Upper Arroyo Grande
Comment
UC643299
Nemophila pulchella var. fremontii
R. F. Hoover
1940-3-17
4220
Stanislaus
Las Garzas Creek Canyon
Comment
UC767612
Nemophila spatulata
R. F. Hoover
1936-6-25
1400
Tuolumne
Brightman Flat
Comment
SEINET196268
Neostapfia colusana
Robert F. Hoover
1938-1
Stanislaus
Comment
UCD88135
Neostapfia colusana
R. F. Hoover
1936-5-27
1231
Stanislaus
3 miles NW of Waterford.
Comment
HSC101044
Noccaea fendleri subsp. glauca
Lisa Hoover
1995-4-18
78
Del Norte
Rowdy Creek. Rd., 24.6 mi. to turnout, top of Wimer Rd. before OHV Route 450; near mine.
716
Comment
UC1314916
Nuttallanthus texanus
R. F. Hoover
1967-3-15
10250
San Luis Obispo
n of Arroyo Grande (Oak Park District); Oak Park District
Comment
CAS-BOT-BC140421
Oemleria cerasiformis
R. F. Hoover
1964-5-13
8837
San Luis Obispo
Santa Rita Creek west of Templeton
Comment
UC765031
Opuntia basilaris var. treleasei
R. F. Hoover
1936-2-29
744
Kern
Oildale
Comment
UC765032
Opuntia basilaris var. treleasei
R. F. Hoover
1936-4-11
933
Kern
Bena
Comment
GH355909
Orcuttia inaequalis
R. F. Hoover
1936-6-4
1273
Unknown
3 mi. w. of Orange Cove, Fresno Co.
Comment
JEPS71258
Orcuttia inaequalis
R. F. Hoover
1935-7-22
690
Stanislaus
Montpellier
Comment
UC534128
Orcuttia inaequalis
R. F. Hoover
1935-5-28
582
Stanislaus
Montpellier; ; Montpellier, Stanislaus Co.
Comment
UC766954
Orcuttia pilosa
R. F. Hoover
1937-7-3
2593
Stanislaus
12 mi e Waterford
Comment
UCD88249
Orcuttia pilosa
R. F. Hoover
1936-6-11
1298
Stanislaus
12 miles east of Waterford.
Comment
CAS-BOT-BC254344
Orcuttia tenuis
R. F. Hoover
1936-5-22
1210
Shasta
4 miles N of Anderson
Comment
SEINET196300
Orcuttia tenuis
Robert F. Hoover
1939-1
Tehama
Comment
SEINET10592191
Orcuttia tenuis
Robert F. Hoover
1936-1
Shasta
Comment
OBI11866
Orobanche bulbosa
Robert F. Hoover
1947-5-9
7133
San Luis Obispo
Middle Branch of Huerhuero Crk, N of Wells Corner
Comment
OBI2647
Orobanche californica subsp. grandis
Robert F. Hoover
1967-9-15
10870
San Luis Obispo
Dunes S of Oso Flaco Lake
Comment
OBI59168
Orobanche fasciculata
Robert F. Hoover
1965-5-18
9368
San Luis Obispo
Santa Lucia Range. "Poly Cyn" San Luis Obispo
Comment
CAS-BOT-BC6994
Orthocarpus brevistyla
Robert Francis Hoover
1952-4-19
8119
San Luis Obispo
North side of lower Cuyama Valley
Comment
JEPS9437
Orthocarpus cuspidatus subsp. cryptanthus
R. F. Hoover
1936-7-14
1533
Tuolumne
Eagle Meadow
Comment
RSA516499
Orthocarpus erianthus
Robert F. Hoover
1938-2-27
2783
Contra Costa
Danville.
Comment
RSA216754
Orthocarpus purpurascens
Robert F. Hoover
1969-5-3
11292
San Luis Obispo
3 miles W of Nipomo
Comment
GH346977
Osmaronia cerasiformis
R. F. Hoover
1938-3-8
2823
Unknown
East slope of Grizzly Peak Ridge
Comment
OBI77682
Osmorhiza berteroi
Robert F. Hoover
1948-5-22
7532
San Luis Obispo
7 mi W of Templeton on rd to Cambria
Comment
UC763100
Osmorhiza berteroi
R. F. Hoover
1941-5-25
5251
Monterey
Palo Colorado Canyon Santa Lucia Mts.
Comment
UC1285018
Oxalis albicans subsp. pilosa
R. F. Hoover
1964-4-14
8702
San Luis Obispo
San Luis Obispo
Comment
UC1392741
Oxalis albicans subsp. pilosa
R. F. Hoover
1969-7-5
11420
San Luis Obispo
Cambria
Comment
OBI11853
Oxalis pilosa
Robert F. Hoover
1952-5-10
8163
San Luis Obispo
Near mouth of Arroyo de la Cruz (just S of), on mesa summit
Comment
CAS-BOT-BC318229
Packera breweri
Robert Francis Hoover
1969-5-16
11310
San Benito
Bickmore Canyon, Gloria Road.
Comment
JEPS26954
Packera breweri
R. F. Hoover
1938-4-30
3283
Merced
summit Pacheco Pass
Comment
UC766211
Paeonia brownii
Robert F. Hoover
1936-6-20
1367
Tuolumne
Eagle Meadow
Comment
OBI11844
Paeonia californica
Robert F. Hoover
1967-2-18
10213
San Luis Obispo
Diablo Cyn, San Luis Range
Comment
UC1315077
Paeonia californica
R. F. Hoover
1967-2-18
10213
San Luis Obispo
Diablo Canyon San Luis Range
Comment
OBI22065
Panicum acuminatum
Robert F. Hoover
1947-6-2
7260
San Luis Obispo
Cambria
Comment
UC768486
Panicum acuminatum var. acuminatum
R. F. Hoover
1941-5-20
5140
Santa Cruz
on Empire Grade Road 5 mi nw Santa Cruz; nw of Santa Cruz
Comment
UC768600
Panicum acuminatum var. acuminatum
Robert F. Hoover
1941-6-8
5325
Lake
road from Middletown to Peterson's; road from Middletown to Peterson's
Comment
OBI11703
Papaver californicum
Robert F. Hoover
1952-5-11
8177
San Luis Obispo
W slope of La Panza Range
Comment
UC764879
Parvisedum congdonii
R. F. Hoover
1939-3-18
3918
Tulare
3 mi e of Porterville
Comment
UC596547
Parvisedum pumilum
R. F. Hoover
1936-4-11
954
Merced
6 mi s of Merced
Comment
CAS-BOT-BC169723
Pectocarya anisocarpa
R. F. Hoover
1938-3-27
2915
Kings
Kettleman City
Comment
UC766212
Pectocarya anisocarpa
R. F. Hoover
1940-4-7
4312
Stanislaus
Lower Crow Creek Canyon
Comment
OBI20864
Pectocarya anisocarpa
Robert F. Hoover
1966-3-30
9776
San Luis Obispo
Panorama Hills near W base of Crocker Grade
Comment
UC1392872
Pectocarya heterocarpa
R. F. Hoover
1968-3-25
10968
San Bernardino
just n. Essex
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
JEPS20127
Pectocarya linearis subsp. ferocula
R. F. Hoover
1938-5-1
3318
Kings
near Avenal; Kettleman Hills
Comment
OBI20866
Pectocarya linearis subsp. ferocula
Robert F. Hoover
1947-4-4
6878
San Luis Obispo
W side of Cottonwood Pass
Comment
UC766403
Pectocarya linearis subsp. ferocula
R. F. Hoover
1938-4-3
3004
San Benito
e side Panoche Pass
Comment
JEPS68209
Pectocarya penicillata
R. F. Hoover
1937-3-25
1680
Madera
8 mi w Chowchilla
Comment
UCR39234
Pectocarya penicillata
D. A. Hoover
1985-4-11
305
San Bernardino
Little San Bernardino Mtns/Southern Mojave Desert, Big Morongo Preserve, Upper end Desert Wash Trail
777
Comment
OBI20875
Pectocarya penicillata
Robert F. Hoover
1947-4-20
6987
San Luis Obispo
Yaro Crk district N of Pozo
Comment
CAS-BOT-BC169709
Pectocarya peninsularis
R. F. Hoover
1969-4-11
11213
Riverside
Mouth of Morongo Valley Canyon
Comment
UC1392871
Pectocarya platycarpa
R. F. Hoover
1968-3-24
10914
San Bernardino
4 mi se Daggett (on Ord Mt. rd)
Comment
OBI20881
Pectocarya recurvata
Robert F. Hoover
1968-3-24
10914
San Bernardino
4 mi SE of Daggett on Ord mt rd
Comment
UC767427
Pedicularis semibarbata
R. F. Hoover
1938-7-19
3702
Tuolumne
Trail from Brightman Flat to Eagle Meadow
Comment
CAS-BOT-BC69247
Pellaea andromedifolia
R. F. Hoover
1964-6-13
9104
San Luis Obispo
San Bernardo Creek east of Morro Bay
Comment
CAS-BOT-BC69248
Pellaea andromedifolia
R. F. Hoover
1946-11-24
6564
San Luis Obispo
Hill above Salinas River opposite Pilitas Creek
Comment
OBI22087
Pennisetum villosum
Robert F. Hoover
1947-8-20
7390
San Luis Obispo
San Luis Obispo
Comment
OBI59944
Penstemon centranthifolius
Robert F. Hoover
1938-6-9
3547
Lake
Between Burns Valley and Borax Lake
Comment
OBI9264
Penstemon laetus
Robert F. Hoover
1968-5-13
11080
Fresno
Tretten Cyn, N of summit on Squaw Valley-Piedra Rd
Comment
NY604464
Penstemon laetus var. laetus
R. F. Hoover
1940-6-1
4399
Tuolumne
Head of Sugarpine Creek above Long Barn
Comment
JEPS11519
Penstemon roezlii
R. F. Hoover
1936-7-6
1500
Tuolumne
Relief Reservoir
Comment
UC596334
Penstemon rostriflorus
R. F. Hoover
1937-7-7
2600
Alpine
above Douglas Station; above Douglas Station
Comment
NY651311
Penstemon rydbergii var. oreocharis
R. F. Hoover
1936-7-14
1522
Tuolumne
Eagle Meadow
Comment
JEPS11389
Penstemon speciosus
R. F. Hoover
1941-7-5
5408
Mono
near foot of grade Leevining Canyon; Leevining Canyon (near foot of grade)
Comment
JEPS21326
Pentachaeta alsinoides
R. F. Hoover
1937-5-16
2145
Tuolumne
on Coulterville Road 5 mi e La Grange
Comment
UC1285363
Pentachaeta fragilis
R. F. Hoover
1952-5-24
8216
San Luis Obispo
along ridge west of peak; Caliente Mt.
Comment
CAS-BOT-BC77173
Pentagramma triangularis subsp. semipallida
R. F. Hoover
1964-5-13
8818
San Luis Obispo
Tassajera Creek
Comment
UC766784
Pentagramma triangularis subsp. triangularis
R. F. Hoover
1934-12-1
131
Stanislaus
4 mi s Oakdale
Comment
UC765509
Perideridia californica
R. F. Hoover
1937-5-16
2148
Tuolumne
5 mi e La Grange (on Coulterville Rd.)
Comment
CAS-BOT-BC222701
Perideridia gairdneri subsp. gairdneri
R. F. Hoover
1946-9-22
6447
San Luis Obispo
Cambria
Comment
OBI8817
Perideridia kelloggii
Robert F. Hoover
1966-8-23
9917
Sonoma
Mark West Creek, on Santa Rosa-Calistoga Rd near junction of St. Helena Rd.
Comment
OBI19650
Peritoma arborea
Robert F. Hoover
1969-4-13
11224
San Bernardino
Joshua tree
Comment
CAS-BOT-BC413604
Persicaria amphibia
R. F. Hoover
1969-8-25
11559
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI17375
Petrorhagia dubia
Robert F. Hoover
1968-5-28
11117
Shasta
Stillwater Crk E of Redding
Comment
OBI9165
Petunia parviflora
Robert F. Hoover
1969-7-12
11427
San Luis Obispo
Salinas River at Paso Robles
Comment
OBI13853
Phacelia affinis
Robert F. Hoover
1952-5-24
8210
San Luis Obispo
Caliente Mt. Summit ridge W of peak
Comment
OBI13846
Phacelia brachyloba
Robert F. Hoover
1952-6-10
8242
San Luis Obispo
Black Mtn, La Panza Range
Comment
UC762389
Phacelia breweri
R. F. Hoover
1938-4-10
3074
Stanislaus
at the bend Hospital Canyon
Comment
UC767562
Phacelia ciliata var. ciliata
R. F. Hoover
1940-3-23
4251
Kings
above Avenal; Kettleman Hills
Comment
OBI13833
Phacelia ciliata var. ciliata
Robert F. Hoover
1952-4-10
8111
San Luis Obispo
5 mi S of Simmler, Carrizo Plain
Comment
UC596126
Phacelia ciliata var. opaca
R. F. Hoover
1937-4-10
1752
Merced
Tuttle
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
UC762027
Phacelia distans
R. F. Hoover
1935-4-13
511
Merced
Delhi
Comment
OBI13793
Phacelia douglasii
Robert F. Hoover
1947-3-29
6778
San Luis Obispo
Atascadero
Comment
UC767561
Phacelia douglasii
R. F. Hoover
1941-4-19
4857
Stanislaus
sandy hill 8 mi w Newman
Comment
UC762410
Phacelia eisenii
R. F. Hoover
1938-7-13
3636
Tuolumne
betw. Mill Creek and Niagara Creek
Comment
RSA201655
Phacelia grisea
Robert F. Hoover
1951-6-21
7996
San Luis Obispo
Rocky Butte Lookout Station, Santa Lucia Mountains.
Comment
UC596133
Phacelia hydrophylloides
R. F. Hoover
1938-7-14
3638
Tuolumne
Eagle Meadow
Comment
OBI13754
Phacelia malvifolia var. loasifolia
Robert F. Hoover
1964-5-14
8869
San Luis Obispo
See Cyn
Comment
UC1392919
Phacelia minor
R. F. Hoover
1969-4-13
11226
Riverside
7 mi nw San Jacinto (bank above road)
Comment
UC762059
Phacelia mutabilis
R. F. Hoover
1938-8-19
3785
Mariposa
on Glacier Point Rd above Chinquapin
Comment
OBI13743
Phacelia ramosissima
Robert F. Hoover
1964-8-14
9254
San Luis Obispo
jack lake
Comment
UC762373
Phacelia ramosissima var. subglabra
R. F. Hoover
1936-7-14
1545
Tuolumne
Eagle Meadow
Comment
CAS-BOT-BC154364
Phacelia suaveolens
R. F. Hoover
1952-6-10
8244
San Luis Obispo
near summit Black Mt., La Panza Range
Comment
SD71167
Phacelia suaveolens
R. F. Hoover
1952-6-10
8244
San Luis Obispo
La Panza Range, Black Mt. near summit
Comment
OBI13734
Phacelia tanacetifolia
Robert F. Hoover
1947-3-30
6841
San Luis Obispo
W edge of Carrizo Plain W of Simmler
Comment
JEPS1278
Phacelia vallicola
R. F. Hoover
1940-6-1
4398
Tuolumne
head of creek above Long Barn; Sugarpine Creek
Comment
CAS-BOT-BC265798
Phalaris aquatica
R. F. Hoover
1964-6-5
8913
San Luis Obispo
Ridge southeast of Cuesta Pass
Comment
OBI22095
Phalaris californica
Robert F. Hoover
1947-5-25
7216
San Luis Obispo
Cambria
Comment
UC767850
Phalaris lemmonii
R. F. Hoover
1936-4-3
862
Merced
Athlone
Comment
UC768492
Phalaris minor
R. F. Hoover
1937-5-14
2108
Contra Costa
Franklin Creek Valley
Comment
UC768491
Phalaris paradoxa
R. F. Hoover
1937-5-14
2123
Contra Costa
Byron Hot Springs
Comment
CAS-BOT-BC250696
Phalaris paradoxa
R. F. Hoover
1951-5-7
8056
San Luis Obispo
Coast between Toro Creek & Morro Sand-dunes
Comment
UC767485
Phleum alpinum
R. F. Hoover
1936-6-18
1325
Alpine
Douglas Station
Comment
UC768567
Phleum pratense
R. F. Hoover
1940-7-22
4428
Tuolumne
n side Pigeon Flat; n side of Pigeon Flat
Comment
UC7676515
Pholistoma membranaceum
R. F. Hoover
1940-3-17
4219
Stanislaus
Las Garzas Creek Canyon
Comment
UC762700
Phoradendron densum
Robert F. Hoover
1941-6-7
5311
Sonoma
2 mi. s.e. Monte Rio (on rd. to Camp Meeker)
Comment
UC762978
Physocarpus capitatus
R. F. Hoover
1941-4-23
4902
San Mateo
San Mateo Creek below Crystal Springs Dam
Comment
CAS-BOT-BC142223
Physocarpus capitatus
R. F. Hoover
1958-4-23
8464
San Luis Obispo
Santa Roasa Creek west of Templeton
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
CAS-BOT-BC71810
Pilularia americana
R. F. Hoover
1952-5-11
8170
San Luis Obispo
7 mi. SE. of Santa Margarita
Comment
HSC104084
Pinguicula macroceras
L. Hoover
2002-4-25
Del Norte
Six Rivers National Forest; northeast end of Pioneer Village
239
Comment
GH246875
Pinus balfouriana
R. F. Hoover
1938-1-15
2731
Unknown
Del Puerto Canyon. [Georeference: 37.4375 -121.3333, as per CCH, 3 Sep 2015]
Comment Read comments Sep 3 2015
CAS-BOT-BC79000
Pinus muricata
R. F. Hoover
1946-8-3
6256
San Luis Obispo
Upper Coon Creek, San Luis Range
Comment
CAS-BOT-BC79004
Pinus muricata
R. F. Hoover
1960-4-9
8518
San Luis Obispo
south of Coon Creek
Comment
UC767618
Piperia elegans
R. F. Hoover
1938-9-18
3850
Marin
Tomales Point
Comment
JEPS60915
Plagiobothrys acanthocarpus
R. F. Hoover
1938-4-3
3002
San Benito
Panoche Pass; w side
Comment
UC762825
Plagiobothrys acanthocarpus
R. F. Hoover
1938-5-16
3454
Madera
Daulton
Comment
OBI20888
Plagiobothrys arizonicus
Robert F. Hoover
1949-4-2
7574
San Luis Obispo
Cottonwood Pass near summit
Comment
UC767636
Plagiobothrys arizonicus
R. F. Hoover
1940-4-6
4299
Merced
low hills n Ortigalita Creek
Comment
UC767643
Plagiobothrys arizonicus
R. F. Hoover
1938-3-27
2914
Kings
Kettleman City
Comment
RSA127195
Plagiobothrys arizonicus
Robert F. Hoover
1940-3-23
4247
Fresno
North end of Kettleman Hills.
Comment
JEPS60923
Plagiobothrys austiniae
R. F. Hoover
1936-3-17
769
Stanislaus
near La Grange (on Snelling Road)
Comment
UC632863
Plagiobothrys austiniae
R. F. Hoover
1936-4-9
11043
Calaveras
Calaveras Big Trees Road
990
Comment
UC766398
Plagiobothrys canescens
R. F. Hoover
1938-4-9
3039
San Joaquin
hill between Castle Rock and Black Butte; Corral Hollow
Comment
UC767007
Plagiobothrys canescens
R. F. Hoover
1938-3-27
2922
Kings
above Kettleman City; Kettleman Hills
Comment
GH420031
Plagiobothrys chorisianus
R. F. Hoover
1941-5-24
5197
Unknown
Pacific Grove
Comment
OBI20826
Plagiobothrys collinus
Robert F. Hoover
1948-4-14
7450
San Luis Obispo
Ragged Point (bluffs near)
Comment
UC765818
Plagiobothrys fulvus
R. F. Hoover
1937-3-26
1728
Merced
2 mi n Snelling
Comment
RSA127189
Plagiobothrys fulvus var. campestris
Robert F. Hoover
1939-3-19
3925
Fresno
Piedra.
Comment
UC767568
Plagiobothrys humistratus
R. F. Hoover
1937-5-4
2011
Stanislaus
4 mi. s. Oakdale
Comment
OBI20902
Plagiobothrys infectivus
Robert F. Hoover
1952-4-8
8075
San Luis Obispo
La Panza district
Comment
UC766183
Plagiobothrys infectivus
R. F. Hoover
1938-4-10
3067
San Joaquin
Lower Hospital Canyon; ; Lower Hospital Canyon, San Joaquin Co.
Comment
UC766328
Plagiobothrys infectivus
R. F. Hoover
1940-4-13
4348
Stanislaus
hill n mouth of Del Puerto Canyon
Comment
UC766348
Plagiobothrys infectivus
R. F. Hoover
1946-3-30
6061 a
Fresno
near Waltham School; Waltham Creek
Comment
OBI20901
Plagiobothrys infectivus
Robert F. Hoover
1949-4-21
7624
San Luis Obispo
14 mi E of Creston on Laz Panza Rd
Comment
UC1285288
Plagiobothrys infectivus
R. F. Hoover
1952-4-8
8075
San Luis Obispo
open hillside La Panza district
Comment
OBI20597
Plagiobothrys leptocladus
Robert F. Hoover
1966-3-30
9762
San Luis Obispo
W side of Soda Lake, Carrizo Plain
Comment
UC766132
Plagiobothrys nothofulvus
R. F. Hoover
1937-3-26
1711
Stanislaus
La Grange
Comment
OBI20908
Plagiobothrys nothofulvus
Robert F. Hoover
1967-3-28
10322
San Luis Obispo
6 mi E of Creston on La Panza rd
Comment
UC596228
Plagiobothrys shastensis
R. F. Hoover
1937-3-26
1715
Stanislaus
La Grange
Comment
OBI20913
Plagiobothrys shastensis
Robert F. Hoover
1949-4-21
7618
San Luis Obispo
18 mi E of Creston on La Panza Rd
Comment
OBI20600
Plagiobothrys stipitatus var. micranthus
Robert F. Hoover
1967-4-28
10513
Contra Costa
Byron Hot Springs
Comment
UC767634
Plagiobothrys stipitatus var. micranthus
R. F. Hoover
1937-5-4
2014
Stanislaus
4 mi s Oakdale
Comment
UC767584
Plagiobothrys trachycarpus
R. F. Hoover
1941-4-12
4840
Contra Costa
1 mi. n. Lone Tree Valley
Comment
UC767586
Plagiobothrys trachycarpus
R. F. Hoover
1937-3-25
1652
Merced
9 mi w Los Banos
Comment
UC596144
Plagiobothrys undulatus
R. F. Hoover
1937-6-10
2398
San Joaquin
2 mi n Linden
Comment
UC767623
Plagiobothrys undulatus
R. F. Hoover
1937-6-10
2398
San Joaquin
2 mi n Linden
Comment
JEPS7100
Plantago elongata
R. F. Hoover
1935-3-17
357
Stanislaus
10 mi s Modesto
Comment
OBI59886
Plantago elongata
Robert F. Hoover
1935-3-17
357
Stanislaus
10 mi S of Modesto
Comment
JEPS6433
Plantago erecta
R. F. Hoover
1939-3-19
3928
Fresno
Piedra
Comment
UC762340
Plantago erecta
R. F. Hoover
1940-3-31
4292
Stanislaus
s of mouth of Del Puerto Canyon
Comment
JEPS7189
Plantago ovata
R. F. Hoover
1938-4-9
3053
San Joaquin
Corral Hollow, Black Butte at lower end Black Butte, Corral Hollow
Comment
UC767542
Platanthera leucostachys
R. F. Hoover
1939-7-27
4183
Tuolumne
n side Pigeon Flat
Comment
OBI11617
Platanus racemosa
Robert F. Hoover
1969-8-18
6309
San Luis Obispo
E base of La Panza Range, on a branch of Navajo crk
Comment
OBI75998
Platystemon californicus
Robert F. Hoover
1967-4-9
10419
San Luis Obispo
Panorama Hills S of Recruit Cyn
Comment
JEPS35322
Plectritis macrocera
R. F. Hoover
1964-5-13
8824
San Luis Obispo
Tassajera Creek
Comment
UC1392629
Plectritis macrocera
R. F. Hoover
1969-4-24
111269
Merced
Pacheco Pass, e of summit Pacheco Pass
Comment
UC766308
Plectritis macrocera
R. F. Hoover
1940-3-23
4259
Kings
Kettleman Hills above Avenal; Kettleman Hills
Comment
UC768477
Pleiacanthus spinosus
Robert F. Hoover
1940-9-28
4630
Lassen
Susanville
Comment
UC767874
Pleuropogon californicus
R. F. Hoover
1941-3-25
4827
Stanislaus
Knight's Ferry
Comment
UC768484
Pleuropogon californicus
R. F. Hoover
1941-5-11
5029
Lake
2 mi nw of Kelseyville
Comment
CAS-BOT-BC260940
Pleuropogon californicus var. californicus
R. F. Hoover
1950-5-15
7917
San Luis Obispo
Near northwest end of Laguna
Comment
CAS-BOT-BC260990
Pleuropogon californicus var. californicus
Robert F. Hoover
1941-3-25
4827
Stanislaus
Knight's Ferry
Comment
CAS-BOT-BC246693
Poa howellii
R. F. Hoover
1964-6-5
8926
San Luis Obispo
Ridge southeast of Cuesta Pass
Comment
UC1019306
Poa howellii
R. F. Hoover
1953-5-3
8288
San Luis Obispo
Lopez Canyon
Comment
UC768578
Poa howellii
R. F. Hoover
1938-5-4
3353
Contra Costa
Upper Marsh Creek
Comment
UC767845
Poa leptocoma subsp. leptocoma
R. F. Hoover
1940-7-24
4456
Alpine
between Sonora Pass and Sonora Peak
Comment
OBI22147
Poa pratensis
Robert F. Hoover
1950-6-21
8013
San Luis Obispo
Between Rocky Butte and Pine Mt, Santa Lucia Mts
Comment
UC762119
Pogogyne
R. F. Hoover
1938-4-30
3276
Santa Clara
Pacheco Pass summit
Comment
UC1988910
Pogogyne douglasii
Robert F. Hoover
1936-5-20
1155
Butte
ten miles southwest of Oroville
Comment
UC1988920
Pogogyne douglasii
Robert F. Hoover
1938-6-9
3558
Lake
mear Borax Lake
Comment
UC1988941
Pogogyne zizyphoroides
Robert F. Hoover
1937-5-19
2291
Tehama
Coyote Creek bridge, south of Red Bluff
Comment
RSA216732
Polygonum argyrocoleon
Robert F. Hoover
1965-9-15
9560
San Luis Obispo
Upper Salinas River just S of Pozo. In barren clay spots at base of hill
Comment
UC768635
Polygonum californicum
R. F. Hoover
1937-6-8
2392
Stanislaus
betw. Warnerville and Knight's Ferry
Comment
UC769830
Polygonum lapathifolium
R. F. Hoover
1934-9-15
17
Stanislaus
Modesto
Comment
CAS-BOT-BC109209
Polygonum paronychia
R. F. Hoover
1968-4-11
11008
Monterey
Marina Beach.
Comment
RSA201614
Polygonum paronychia
Robert F. Hoover
1964-6-11
9042
San Luis Obispo
Sand dunes just S of Hazard Canyon
Comment
UC769825
Polygonum parryi
R. F. Hoover
1936-6-19
1345
Tuolumne
Brightman Flat
Comment
UC766777
Polypodium
R. F. Hoover
1941-2-2
4737
Marin
Inverness Ridge nw of Inverness
Comment
RSA126162
Polypodium californicum
Robert F. Hoover
1947-1-27
6604
San Luis Obispo
6 miles south of San Luis Obispo
Comment
CAS-BOT-BC233013
Polypogon elongatus
R. F. Hoover
1947-7-18
7314
San Luis Obispo
Oceano Beach
Comment
OBI22172
Polypogon maritimus
Robert F. Hoover
1950-6-2
7962 b
San Luis Obispo
Stoney Crk (tributary of Huasna River)
Comment
CAS-BOT-BC237325
Polypogon monspeliensis
R. F. Hoover
1964-8-14
9271
San Luis Obispo
Jack Lake
Comment
CAS-BOT-BC237323
Polypogon monspeliensis
R. F. Hoover
1964-8-13
9224
San Luis Obispo
Mouth of Morro Creek
Comment
RSA201691
Polystichum dudleyi
Robert F. Hoover
1964-5-12
8807
San Luis Obispo
Upper Lopez Canyon
Comment
CAS-BOT-BC72291
Polystichum imbricans subsp. curtum
R. F. Hoover
1964-5-12
8813
San Luis Obispo
Upper Lopez Canyon
Comment
OBI9883
Populus fremontii
Robert F. Hoover
1965-9-19
9600
San Luis Obispo
Calf Cyn
Comment
UC768793
Potamogeton diversifolius
R. F. Hoover
1941-6-1
5299
Sacramento
10 mi s of Folsom
Comment
UC767656
Potamogeton nodosus
R. F. Hoover
1935-6-1
636
Stanislaus
near Warnerville; Upper Dry Creek
Comment
CAS-BOT-BC141920
Potentilla anserina subsp. pacifica
R. F. Hoover
1946-7-21
6239
San Luis Obispo
San Simeon Creek Beach
Comment
CAS-BOT-BC141921
Potentilla anserina subsp. pacifica
R. F. Hoover
1969-8-25
11560
San Luis Obispo
Laguna de San Luis Obispo
Comment
RSA0014811
Proboscidea louisianica subsp. louisianica
Robert F. Hoover
1969-8-12
11542
San Luis Obispo
1 mi. W of Paso Robles on road to Nacimiento Dam.
Comment
CAS-BOT-BC159726
Prunus fasciculata var. punctata
R. F. Hoover
1948-3-26
7432
San Luis Obispo
Sunnyside School near Baywood Park
Comment
OBI15568
Psathyrotes ramosissima
Robert F. Hoover
1966-10-15
10159
Riverside
Dead Indian Crk wash, S of Palm Desert
Comment
RSA296850
Pseudobahia bahiifolia
Robert F. Hoover
1937-5-4
2038
Stanislaus
8 miles east of Oakdale
Comment
OBI16450
Pseudognaphalium beneolens
Robert F. Hoover
1964-7-11
9174
San Luis Obispo
Price Cyn
Comment
OBI16445
Pseudognaphalium biolettii
Robert F. Hoover
1967-3-15
10249
San Luis Obispo
Oak Park district, N of Arroyo Grande
Comment
CAS-BOT-BC356831
Pseudognaphalium californicum
R. F. Hoover
1950-5-30
7950
San Luis Obispo
Mouth of Arroyo de la Cruz (just south of)
Comment
OBI16425
Pseudognaphalium californicum
Robert F. Hoover
1966-7-13
9896
San Luis Obispo
5.5 mi SE of Santa Margarita; W of Salinas River opp Pilitas Crk
Comment
OBI16430
Pseudognaphalium luteoalbum
Robert F. Hoover
1946-10-2
6455
San Luis Obispo
C.P.S. campus, San Luis Obispo
Comment
CAS-BOT-BC361545
Pseudognaphalium stramineum
R. F. Hoover
1947-8-13
7373
San Luis Obispo
South of Hazard Canyon
Comment
JEPS20514
Pseudognaphalium stramineum
R. F. Hoover
1941-5-24
5224
Monterey
just s Point Pinos; Pacific Grove
Comment
GH355345
Pseudotsuga menziesii
R. F. Hoover
1941-6-7
5318
Unknown
Two miles southeast of Monte Rio on road to Camp Meeker
Comment
UC766970
Pseudotsuga menziesii var. menziesii
R. F. Hoover
1941-2-12
4760
San Mateo
above La Honda; La Honda Creek
Comment
JEPS40483
Psilocarphus brevissimus var. brevissimus
R. F. Hoover
1935-3-28
389
Stanislaus
10 mi w Modesto
Comment
JEPS40485
Psilocarphus brevissimus var. brevissimus
R. F. Hoover
1935-5-30
607
Merced
Athlone
Comment
JEPS40504
Psilocarphus oregonus
R. F. Hoover
1935-4-12
504
Stanislaus
Claus
Comment
JEPS40541
Psilocarphus tenellus
R. F. Hoover
1937-5-29
2339
Calaveras
Mercer's Cave
Comment
OBI15562
Psilocarphus tenellus
Robert F. Hoover
1947-3-26
6749
San Luis Obispo
Price Cyn (just S of)
Comment
JEPS40542
Psilocarphus tenellus
R. F. Hoover
1937-4-24
2000
Stanislaus
between Oakdale and Warnerville
Comment
CAS-BOT-BC353634
Psorothamnus emoryi
R. F. Hoover
1966-10-15
10158
Riverside
Dead Indian Creek wash, south of Palm Desert
Comment
OBI13262
Psorothamnus emoryi
Robert F. Hoover
1966-10-15
10158
Riverside
Dead Indian Crk wash, S of Palm Desert
Comment
UC763173
Pyrola picta
R. F. Hoover
1938-7-19
3703
Tuolumne
Trail from Brightman Flat to Eagle Meadow
Comment
GH344194
Quercus X alvordiana
R. F. Hoover
1938-10-9
3882
Unknown
First ridge off Hollister-King City road, on Hernandez road
Comment
GH343380
Quercus X morehus
R. F. Hoover
1941-2-12
4764
Unknown
Northwest of Saratoga Summit
Comment
CAS-BOT-BC105010
Quercus X morehus
R. F. Hoover
1966-5-15
9858
San Luis Obispo
Oak Park district (N of Arroyo Grande)
Comment
CAS-BOT-BC62375
Quercus chrysolepis
R. F. Hoover
1957-8-28
8404
San Luis Obispo
Between Rocky Butte and Pine Mt.m above San Simeon
Comment
OBI39882
Quercus cornelius-mulleri
D. A. Hoover
1985-4-11
282
San Bernardino
Big Morongo Preserve, South of Morongo Valley
884
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
RSA43113
Quercus dumosa
Robert F. Hoover
1946-8-18
6321
San Luis Obispo
Calf Canyon, E of Santa Margarita
Comment
CAS-BOT-BC79325
Quercus dumosa
R. F. Hoover
1946-9-15
6420
San Luis Obispo
E slope of La Panza Range
Comment
CAS-BOT-BC94614
Quercus garryana
R. F. Hoover
1957-8-28
8405
San Luis Obispo
Between Rocky Butte and Pine Mt., above San Simeon
Comment
GH343230
Quercus garryana var. breweri
R. F. Hoover
1940-10-13
4688
Unknown
Avery Station
Comment
OBI14225
Quercus lobata
Robert F. Hoover
1964-11-1
9325
Monterey
Monterey-Salinas hwy near jctn of San Benancio rd
Comment
UC1276264
Quercus lobata
R. F. Hoover
1957-7-19
8390
San Luis Obispo
from Cambria to Adelaida Road (trail to Cypress Mt.)
Comment
UC762735
Quercus wislizeni
Robert F. Hoover
1935-4-12
151 a
Stanislaus
Modesto
Comment
UC767471
Raillardella argentea
R. F. Hoover
1939-7-28
4196
Tuolumne
Red Peak
Comment
POM277277
Ranunculus californicus
Robert F. Hoover
1936-3-17
778
Stanislaus
Warnerville
Comment
UC766203
Ranunculus canus
Robert F. Hoover
1936-3-2
755
Stanislaus
eight mi e Oakdale
Comment
POM277276
Ranunculus canus
Robert F. Hoover
1938-1-9
2729
Alameda
Crane Ridge
Comment
POM277285
Ranunculus eschscholtzii
Robert F. Hoover
1941-7-22
5520
Tuolumne
Emigrant Meadow
Comment
UC767497
Ranunculus muricatus
R. F. Hoover
1937-5-18
2225
Sutter
Pleasant Grove
Comment
POM277283
Ranunculus occidentalis var. ultramontanus
Robert F. Hoover
1939-7-27
4186
Alpine
N side of Pigeon Flat
Comment
RSA277280
Ranunculus pusillus
Robert F. Hoover
1941-5-11
5039
Mendocino
Ukiah Valley N of Ukiah
Comment
OBI14976
Raphanus raphanistrum
R. L. Hoover
1968-4-11
19
Napa
One block W of hwy 1 on Palm Ave, Marina
Comment
OBI19375
Rhus aromatica
Robert F. Hoover
1966-10-1
10105
San Luis Obispo
Basquez Canyon, tributary to lower Lopez Canyon
Comment
GH347169
Rhus trilobata
R. F. Hoover
1937-6-30
2574
Unknown
Dunlap
Comment
CAS-BOT-BC92480
Ribes aureum var. gracillimum
R. F. Hoover
1964-4-13
8701
San Luis Obispo
2 miles south of Atascadero, west of Highway 101.
Comment
CAS-BOT-BC169021
Ribes indecorum
R. F. Hoover
1947-3-9
6664
San Luis Obispo
Head of Calf Canyon e. of Santa Margarita
Comment
CAS-BOT-BC169073
Ribes indecorum
R. F. Hoover
1964-3-14
8649
Santa Barbara
Head of Lopez Canyon
Comment
CAS-BOT-BC169016
Ribes indecorum
R. F. Hoover
1947-1-4
6581
San Luis Obispo
Upper Arroyo Grande, near junction of Lopez Canyon on shaded slope.
Comment
CAS-BOT-BC169020
Ribes indecorum
R. F. Hoover
1947-1-6
6590
San Luis Obispo
Upper Coon Creek, San Luis Range
Comment
OBI14045
Ribes indecorum
Robert F. Hoover
1964-1-19
8627
San Luis Obispo
Lower Coon crk, San LUis Range
Comment
CAS-BOT-BC168965
Ribes malvaceum
R. F. Hoover
1966-1-18
9732
San Luis Obispo
Los Osos
Comment
OBI14050
Ribes malvaceum
Robert F. Hoover
1947-1-6
6592
San Luis Obispo
Above head of See Cyn, San Luis Range
Comment
UC1315076
Ribes menziesii
R. F. Hoover
1967-2-18
10222
San Luis Obispo
Diablo Canyon San Luis Range
Comment
UC1296044
Ribes menziesii
R. F. Hoover
1947-2-8
6608
San Luis Obispo
Pettit Canyon (Sycamore Canyon of USGS maps) San Luis Range
Comment
UC764936
Ribes sanguineum var. glutinosum
R. F. Hoover
1941-2-2
4751
Marin
head Drake's Estero
Comment
UC764956
Ribes sanguineum var. glutinosum
R. F. Hoover
1938-2-16
2746
Alameda
Strawberry Canyon Berkeley Hills
Comment
CAS-BOT-BC144463
Ribes sericeum
R. F. Hoover
1953-5-3
8287
San Luis Obispo
Lopez Canyon
Comment
CAS-BOT-BC144465
Ribes sericeum
R. F. Hoover
1953-5-3
8287
San Luis Obispo
Lopez Canyon
Comment
OBI14025
Ribes sericeum
Robert F. Hoover
1946-12-15
6571
San Luis Obispo
Upper Morro Crk
Comment
CAS-BOT-BC173755
Ribes speciosum
R. F. Hoover
1964-5-13
8836
San Luis Obispo
Santa Rita Creek west of Templeton
Comment
CAS-BOT-BC173753
Ribes speciosum
R. F. Hoover
1967-2-15
10203
San Luis Obispo
Upper Arroyo Grande above Routzahn Park
Comment
UC1284937
Romanzoffia californica
R. F. Hoover
1964-4-8
8682
Marin
above Alpine Dam
Comment
UC1296149
Rorippa nasturtium-aquaticum
R. F. Hoover
1949-5-7
7660
San Luis Obispo
just n Piedras Blancas Point; just n Piedras Blancas Point
Comment
OBI14965
Rorippa palustris subsp. palustris
Robert F. Hoover
1964-4-13
8695
San Luis Obispo
Atascadero Lake at Atascadero
Comment
OBI10020
Rosa californica
Robert F. Hoover
1966-9-21
10091
San Luis Obispo
1 mi E of Bromela siding, Santa Maria Valley
Comment
CAS-BOT-BC146681
Rosa gymnocarpa
R. F. Hoover
1964-5-13
8847
San Luis Obispo
South Fork of Old Creek
Comment
GH345988
Rosa gymnocarpa
R. F. Hoover
1941-5-14
5076
Unknown
Three miles south of Monte Rio on road to Camp Meeker
Comment
OBI10017
Rosa gymnocarpa
Robert F. Hoover
1950-6-21
8003
San Luis Obispo
Between rocky Butte and Pine Mt, Santa Lucia Mts
Comment
UC766411
Rosa gymnocarpa
R. F. Hoover
1941-5-14
5076
Sonoma
3 mi s Monte Rio (on road to Camp Meeker)
Comment
UC1296073
Rosa gymnocarpa var. gymnocarpa
R. F. Hoover
1965-5-24
9408
San Luis Obispo
ridge nw Cuesta Pass; Santa Lucia Range
Comment
UC1296075
Rosa spithamea
R. F. Hoover
1946-8-26
6348
San Luis Obispo
near Sunnyside School; Osos Valley
Comment
GH346201
Rubus parviflorus
R. F. Hoover
1941-7-17
5483
Unknown
North side of Pigeon Flat
Comment
OBI9977
Rubus ursinus
R. F. Hoover
1948-5-3
7516
San Luis Obispo
See Cyn
Comment
CAS-BOT-BC422070
Rumex acetosella
R. F. Hoover
1964-6-11
9036
San Luis Obispo
Just south of Hazard Canyon
Comment
CAS-BOT-BC422071
Rumex acetosella
R. F. Hoover
1966-9-12
9980
San Luis Obispo
Site of Bellevue-Santa Fe School, just north of Hidden Valley Hot Springs
Comment
CAS-BOT-BC421814
Rumex conglomeratus
R. F. Hoover
1964-7-11
9158
San Luis Obispo
Edna Marsh.
Comment
CAS-BOT-BC433540
Rumex fueginus
R. F. Hoover
1947-7-18
7313
San Luis Obispo
Oceano Beach
Comment
CAS-BOT-BC433986
Rumex salicifolius
R. F. Hoover
1964-6-6
8977
San Luis Obispo
Los Osos
Comment
UC1296087
Rumex salicifolius var. salicifolius
R. F. Hoover
1964-8-13
9228
San Luis Obispo
Mouth of Morro Creek
Comment
OBI12753
Rupertia physodes
Robert F. Hoover
1967-12-3
10887
San Luis Obispo
Lower Lopez Cyn
Comment
UC766179
Sagina apetala
R. F. Hoover
1937-5-4
2059
Merced
5 mi. n. Snelling
Comment
CAS-BOT-BC103278
Salix bonplandiana
R. F. Hoover
1953-5-16
8299
San Luis Obispo
Grant Lake
Comment
OBI9867
Salix breweri
Robert F. Hoover
1964-5-13
8825
San Luis Obispo
Tassajera Crk
Comment
CAS-BOT-BC103937
Salix exigua
R. F. Hoover
1968-7-7
77
Santa Barbara
one mile west of Stanton Ranch house in Central Valley, Santa Cruz Island
Comment
OBI9839
Salix laevigata
Robert F. Hoover
1947-3-19
6702
San Luis Obispo
Oak Park District
Comment
OBI9841
Salix laevigata
Robert F. Hoover
1953-5-16
8200
San Luis Obispo
Grant Lake on margin of dry lakebed
Comment
GH383521
Salix lasiolepis
R. F. Hoover
1940-2-11
4214
Unknown
Maze Road at San Joaquin River
Comment
OBI9821
Salix lasiolepis
Robert F. Hoover
1947-3-19
6700
San Luis Obispo
Oak Park District
Comment
OBI9834
Salix lasiolepis
Betty Hoover
1962-2-23
2
San Luis Obispo
Cambria Pine District
Comment
CAS-BOT-BC107241
Salix lasiolepis var. bigelovii
R. F. Hoover
1967-3-5
10237
San Luis Obispo
Lower part of Lopez Canyon
Comment
CAS-BOT-BC126450
Salix sitchensis
R. F. Hoover
1947-4-27
7109
San Luis Obispo
Morro Creek, above base of grade on highway to Atascadero
Comment
OBI9870
Salix sitchensis
Robert F. Hoover
1947-3-16
6670
San Luis Obispo
Coast just S of Monterey Co. line
Comment
OBI13578
Salvia brandegeei
Robert F. Hoover
1960-1-28
8515
San Luis Obispo
Cultivated in SLO
Comment
OBI13571
Salvia carduacea
Robert F. Hoover
1967-4-9
10414
San Luis Obispo
Cyn In Temblor Range near N end of Elkhorn Plain
Comment
UC596448
Salvia columbariae
R. F. Hoover
1938-3-27
2925
Kings
above Kettleman City (Kettleman Hills); Kettleman Hills
Comment
UC762125
Salvia columbariae
R. F. Hoover
1938-3-20
2889
Merced
10 mi s Los Banos
Comment
UC762472
Salvia columbariae
R. F. Hoover
1940-3-23
4252
Kings
above Avenal (Kettleman Hills); Kettleman Hills
Comment
UC762478
Salvia columbariae
R. F. Hoover
1938-3-27
2925
Kings
above Kettleman City (Kettleman Hills); Kettleman Hills
Comment
SBBG40279
Salvia columbariae
R. F. Hoover
1969-3-28
11206
Monterey
5 mi NE of King City on Hollister rd, hill above San Lorenzo Crk
Comment
UC1392689
Salvia columbariae
R. F. Hoover
1969-3-28
11206
Monterey
5 mi ne King City (on Hollister road, above San Lorenzo Creek)
Comment
CAS-BOT-BC225190
Salvia sonomensis
R. F. Hoover
1964-4-15
8729
San Luis Obispo
Ridge northwest of Cuesta Pass, just below TV transmitter
Comment
CAS-BOT-BC225191
Salvia sonomensis
R. F. Hoover
1964-4-15
8729
San Luis Obispo
Ridge northwest of Cuesta Pass, just below TV transmitter
Comment
UC762471
Salvia sonomensis
R. F. Hoover
1937-6-10
2414
Amador
Ione
Comment
OBI13527
Salvia sonomensis
Robert F. Hoover
1947-5-31
7242
San Luis Obispo
Pine Mtn of La Panza Range
Comment
JEPS35340
Sambucus mexicana
R. F. Hoover
1964-7-11
9176
San Luis Obispo
3 mi nw Nipomo
Comment
SEINET10852051
Sanicula arguta
Robert F. Hoover
1958-3-3
Hoover 8411
San Luis Obispo
Steiner Crk. at mouth of Serrano Canyon, on open slope. Contrasted with #8410 (S. arguta Greene).
Comment
OBI8773
Sanicula crassicaulis
Robert F. Hoover
1950-5-6
7874
San Luis Obispo
East slopes of La Panza Range
Comment
HSC101027
Sanicula graveolens
Lisa D. Hoover
2010-6-24
30
Trinity
Cobb Ridge area. From Hwy 36 take Ruth Rd (Rte 501 becomes Rte 504), to Three Forks, then take 27N33.
1146
Comment
OBI8784
Sanicula laciniata
Robert F. Hoover
1947-3-26
6763
San Luis Obispo
Oak Park district, in burned over area
Comment
RSA201549
Sanicula maritima
Robert F. Hoover
1947-3-16
6683
San Luis Obispo
Arroyo de la Cruz (just north of) near ocean on Hwy 1
Comment
RSA201624
Sanicula maritima
Robert F. Hoover
1947-4-13
6928
San Luis Obispo
Los Osos Valley
Comment
UC762317
Sarcodes sanguinea
R. F. Hoover
1941-7-17
5503
Tuolumne
Eagle Meadow
Comment
UC764963
Saxifraga californica
R. F. Hoover
1938-3-10
2833
Alameda
near Livermore (Arroyo Mocho); Arroyo Mocho
Comment
JEPS35312
Scabiosa atropurpurea
R. F. Hoover
1957-8-28
8393
San Luis Obispo
San Simeon Creek, at abandoned schoolhouse San Simeon Creek
Comment
OBI3015
Scabiosa atropurpurea
Robert F. Hoover
1957-8-28
8393
San Luis Obispo
San Simeon Crk, by roadside
Comment
CAS-BOT-BC239951
Schismus arabicus
R. F. Hoover
1965-4-24
9345
San Luis Obispo
Hill just east of San Juan River, La Panza district
Comment
OBI22197
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
UC1146319
Scirpus cernuus
R. F. Hoover
1965-5-22
9406
San Luis Obispo
among pines n Cambria
Comment
UCR97952
Scirpus cernuus var. californicus
D. A. Hoover
1985-4-21
362
San Bernardino
Mojave Desert, Big Morongo Preserve in Big Morongo Canyon, south of town of Morongo Valley, along the Willow Trail behind the manager's residence
762
Comment
UC766234
Scirpus congdonii
R. F. Hoover
1940-7-25
4462
Tuolumne
Eagle Meadow
Comment
UC596491
Scirpus maritimus
R. F. Hoover
1935-8-8
709
Stanislaus
10 mi s Modesto
Comment
OBI22594
Scirpus microcarpus
Robert F. Hoover
1947-7-27
7340
San Luis Obispo
Black Lake Cyn, S of Arroyo Grande
Comment
UC765856
Scoliopus bigelovii
R. F. Hoover
1939-3-3
3897
San Mateo
above Portola (on La Honda rd.)
Comment
JEPS35045
Scrophularia atrata
R. F. Hoover
1959-5-12
8502
San Luis Obispo
immediately ne Pismo Beach (Price Canyon)
Comment
JEPS35335
Scrophularia atrata
R. F. Hoover
1964-6-10
9018
San Luis Obispo
just e Avila (Mallagh's Landing)
Comment
JEPS35333
Scrophularia californica
R. F. Hoover
1964-6-7
8982
San Luis Obispo
lower canyon of San Carpoforo Creek
Comment
JEPS11416
Scrophularia californica subsp. floribunda
R. F. Hoover
1939-5-10
4088
Placer
2 mi e Lincoln
Comment
UC762485
Scutellaria siphocampyloides
R. F. Hoover
1937-5-29
2343
Calaveras
Mercer's Cave
Comment
UC769947
Selaginella watsonii
R. F. Hoover
1936-6-25
1399
Tuolumne
Brightman's Flat
Comment
OBI15541
Senecio aronicoides
Robert F. Hoover
1958-5-8
8469
San Luis Obispo
Santa Rita Crk W of Templeton
Comment
CAS-BOT-BC363476
Senecio californicus
R. F. Hoover
1968-4-11
11006
Monterey
Marina Beach
Comment
OBI15497
Senecio douglasii var. douglasii
Robert F. Hoover
2017-4-5
6305
San Luis Obispo
West base of La Panza Range (Sycamore crk)
Comment
UC1450989
Senecio flaccidus var. douglasii
R. F. Hoover
1969-10-5
11639
San Luis Obispo
n side of lower Cuyama Valley; Cuyama Valley
Comment
JEPS37295
Senecio integerrimus var. exaltatus
R. F. Hoover
1936-6-20
1357
Tuolumne
Eagle Peak
Comment
UC762618
Senecio integerrimus var. exaltatus
R. F. Hoover
1941-7-19
5504
Tuolumne
Eagle Meadow
Comment
CAS-BOT-BC364622
Senecio vulgaris
R. F. Hoover
1967-2-18
10214
San Luis Obispo
Diablo Canyon, San Luis Range
Comment
UC766386
Shepherdia argentea
R. F. Hoover
1940-10-11
4685
Alpine
Markleeville
Comment
UC763049
Sidalcea calycosa
R. F. Hoover
1937-6-3
2360
Tuolumne
2 mi n Keystone; n of Keystone
Comment
OBI12324
Sidalcea hickmanii subsp. anomala
Robert F. Hoover
1964-6-6
8948
San Luis Obispo
Ridge NW of Cuesta Pass
Comment
JEPS67221
Sidalcea hirsuta
R. F. Hoover
1936-4-29
1045
Stanislaus
Warnerville
Comment
RSA216725
Silene californica
Robert F. Hoover
1965-6-29
9468
Mendocino
South Fork of Big River between Orr s Springs and Montgomery Creek.
Comment
OBI19458
Silene gallica
Robert F. Hoover
1947-3-19
6696
San Luis Obispo
Oak Park district
Comment
UC767047
Silene gallica
R. F. Hoover
1935-3-18
378
Stanislaus
Modesto
Comment
CAS-BOT-BC389406
Silene lemmonii
R. F. Hoover
1950-6-20
7994
San Luis Obispo
7 miles w. of Templeton on road to Cambria
Comment
UC766218
Silene sargentii
R. F. Hoover
1940-7-24
4453
Alpine
w side of Sonora Peak
Comment
OBI15472
Silybum marianum
Robert F. Hoover
1964-7-9
9124
San Luis Obispo
Santa Margarita, along railways
Comment
OBI20928
Simmondsia chinensis
Robert F. Hoover
1966-10-15
10178
Riverside
Bighorn Dr, San Jacinto Mts
Comment
UC764838
Sinapis arvensis
R. F. Hoover
1938-4-1
2956
Santa Clara
Morgan Hill
Comment
CAS-BOT-BC75144
Sisymbrium altissimum
Robert F. Hoover
1969-7-12
11473
San Luis Obispo
Salinas River at Paso Robles.
Comment
UCR39151
Sisymbrium altissimum
D. A. Hoover
1985-5-23
511
San Bernardino
Little San Bernardino Mtns/Southern Mojave Desert, Morongo Canyon, SE of Morongo Valley. Edge of dry wash near upper end of Desert Wash Trail
777
Comment
CAS-BOT-BC157539
Solanum umbelliferum
R. F. Hoover
1969-8-10
11536
Monterey
Marina
Comment
UC1315083
Solanum umbelliferum
R. F. Hoover
1967-2-18
10216
San Luis Obispo
San Luis Range, Diablo Canyon Diablo Canyon; San Luis Range, Diablo Canyon
Comment
UC766852
Solanum umbelliferum
R. F. Hoover
1938-1-9
2726
Alameda
s of Livermore (Arroyo Mocho); Arroyo Mocho
Comment
OBI9095
Solanum xanti
Robert F. Hoover
1947-3-16
6675
San Luis Obispo
Coast just S of Monterey Co line
Comment
CAS-BOT-BC365335
Solidago confinis
R. F. Hoover
1947-9-13
7392
San Luis Obispo
Black Lake Canyon, s. of Arroyo Grande
Comment
OBI15459
Solidago confinis
Robert F. Hoover
1967-9-16
10872
San Luis Obispo
1 mi N of Oso Flaco Lake
Comment
UC1285357
Solidago confinis
R. F. Hoover
1947-9-13
7392
San Luis Obispo
s Arroyo Grande; Black Lake Canyon
Comment
CAS-BOT-BC365530
Solidago elongata
R. F. Hoover
1965-9-7
9541
San Luis Obispo
Santa Lucia Range. Santa Rita Creek west of Templeton
Comment
CAS-BOT-BC365531
Solidago elongata
R. F. Hoover
1966-9-13
10000
San Luis Obispo
Ragged Point
Comment
CAS-BOT-BC365736
Solidago spathulata
R. F. Hoover
1963-7-30
8590
San Luis Obispo
Northeast side of Los Osos Valley
Comment
CAS-BOT-BC365112
Solidago velutina subsp. californica
R. F. Hoover
1967-9-5
10836
Placer
Carnelian Bay, Lake Tahoe
Comment
JEPS32349
Solidago velutina subsp. californica
R. F. Hoover
1938-9-30
3869
Tuolumne
3 mi n Keystone
Comment
JEPS32350
Solidago velutina subsp. californica
R. F. Hoover
1934-10-22
191
Stanislaus
Modesto
Comment
UC761999
Solidago velutina subsp. californica
R. F. Hoover
1938-9-30
3869
Tuolumne
3 mi n Keystone
Comment
CAS-BOT-BC365919
Soliva sessilis
R. F. Hoover
1948-4-25
7491
San Luis Obispo
Price Canyon
Comment
OBI15390
Sonchus asper
Robert F. Hoover
1964-5-15
8900
San Luis Obispo
On coast S of San Carpoforo Crk
Comment
OBI15389
Sonchus oleraceus
Robert F. Hoover
1964-4-14
8704
San Luis Obispo
San Luis Obispo
Comment
OBI17388
Spergularia bocconi
Robert F. Hoover
1964-7-11
9187
San Luis Obispo
Shell Beach
Comment
OBI17382
Spergularia macrotheca
Robert F. Hoover
1967-4-28
10514
Contra Costa
Byron Hot Springs
Comment
UC767693
Sporobolus airoides
R. F. Hoover
1937-5-18
2180
San Joaquin
near Lathrop
Comment
OBI13484
Stachys ajugoides
Robert F. Hoover
1969-7-13
11462
San Luis Obispo
Atascadero
Comment
UCLA71602
Stachys ajugoides var. ajugoides
Robert F. Hoover
1940-8-25
4535
Lake
Borax Lake
Comment
UC761969
Stachys ajugoides var. rigida
R. F. Hoover
1938-4-30
3279
Merced
Pacheco Pass summit Pacheco Pass
Comment
UCR40291
Stachys albens
D. A. Hoover
1985-7-10
612
San Bernardino
Little San Bernardino Mtns/Southern Mojave Desert, The Nature Conservancy Big Morongo Preserve, near upper end of Willow Trail and west of the stream
762
Comment
UCLA71351
Stachys bullata
R. F. Hoover
1941-5-24
5212
Monterey
Pacific Grove
Comment
SBBG95321
Stachys chamissonis
R. F. Hoover
1969-6-5
11371
San Luis Obispo
Oak Park district, Arroyo Grande
Comment
OBI13462
Stachys pycnantha
Robert F. Hoover
1965-9-18
9572
San Luis Obispo
Trout Crk just E of Santa Margarita
Comment
UC771637
Stachys pycnantha
R. F. Hoover
1946-6-30
6209
San Luis Obispo
Rinconada Mine, between Santa Margarita and Pozo.
Comment
UC1296264
Stanleya pinnata
R. F. Hoover
1951-4-20
8051
San Luis Obispo
e Soda L.; e side Carrizo Plain
Comment
UC762874
Staphylea bolanderi
R. F. Hoover
1940-4-20
4362
Fresno
between Dunlap and Miramonte
Comment
UC768655
Stebbinsoseris heterocarpa
Robert F. Hoover
1937-3-25
1655
Merced
nine mi w Los Banos
Comment
OBI15603
Stebbinsoseris heterocarpa
Robert F. Hoover
1948-4-17
7459
San Luis Obispo
Creston
Comment
UC767010
Stellaria littoralis
R. F. Hoover
1941-6-19
5369
Marin
nw of Inverness; Inverness Ridge
Comment
JEPS31319
Stenotus acaulis
Robert F. Hoover
1936-6-20
1364
Tuolumne
Eagle Peak
Comment
JEPS35245
Stephanomeria elata
R. F. Hoover
1946-8-8
6278
San Luis Obispo
n end Morro Bay
Comment
OBI15407
Stephanomeria elata
Robert F. Hoover
1946-10-5
6463
San Luis Obispo
N end of Morro Bay
Comment
UC771649
Stephanomeria elata
R. F. Hoover
1946-8-26
6351
San Luis Obispo
Los Osos Valley
Comment
OBI15427
Stephanomeria exigua subsp. carotifera
Robert F. Hoover
1965-9-22
9636
San Luis Obispo
San Bernardo Crk E of Morro Bay
Comment
RSA223668
Stephanomeria exigua subsp. carotifera
Robert F. Hoover
1965-9-22
9636
San Luis Obispo
San Bernardino Creek east of Morro Bay.
Comment
SD77917
Stephanomeria exigua subsp. carotifera
R. F. Hoover
1965-9-22
9636
San Luis Obispo
San Bernardo Creek east of Morro Bay.
Comment
CAS-BOT-BC375387
Stephanomeria exigua subsp. coronaria
R. F. Hoover
1946-6-30
6220
San Luis Obispo
La Panza district
Comment
UC1321314
Stephanomeria exigua subsp. coronaria
R. F. Hoover
1965-9-18
9585
San Luis Obispo
Calf Canyon
Comment
UC1321353
Stephanomeria exigua subsp. coronaria
R. F. Hoover
1966-9-9
9973
Monterey
just n Limekiln Creek (River Road, w of Gonzales)
Comment
UC771699
Stephanomeria pauciflora
R. F. Hoover
1946-9-15
6412
San Luis Obispo
w of Simmler (w edge of Carrizo Plain); Carrizo Plain
Comment
UC596248
Stephanomeria virgata subsp. pleurocarpa
R. F. Hoover
1934-10-21
185
Merced
Livingston
Comment
UC596292
Stephanomeria virgata subsp. pleurocarpa
R. F. Hoover
1934-10-20
186
Stanislaus
15 mi s Modesto (near San Joaquin River, w of Crows Landing road)
Comment
SFV9311
Stillingia paucidentata
D. H. Hoover
1968-3-23
68 41B
Riverside
Colorado Desert Mission Creek Road, south of Morongo Valley and north of Whitewater (Palm Springs Inct.).
Comment
OBI22245
Stipa cernua
Robert F. Hoover
1947-5-10
7142
San Luis Obispo
Lower Cuyama Valley, between Carrizo and Taylor Cyns
Comment
OBI22265
Stipa lepida
Robert F. Hoover
1937-5-16
2156
Mariposa
2 mi W of Coulterville
Comment
OBI22287
Stipa speciosa
Robert F. Hoover
1967-4-1
10329
San Luis Obispo
Canyon in Temblor Range nera N end of Elkhorn Plain
Comment
CAS-BOT-BC87174
Streptanthus glandulosus subsp. glandulosus
R. F. Hoover
1949-4-26
7634
San Luis Obispo
Mouth of Poly Canyon.
Comment
UC596393
Streptanthus glandulosus subsp. glandulosus
R. F. Hoover
1938-4-23
3205
Colusa
grade on Rumsey-Arbuckle road Rumsey-Arbuckle road
Comment
UC1296275
Streptanthus glandulosus subsp. glandulosus
R. F. Hoover
1946-6-1
6109
San Luis Obispo
on grade e Cambria
Comment
CAS-BOT-BC87469
Streptanthus polygaloides
Robert F. Hoover
1937-6-3
2362
Tuolumne
Three miles north of Keystone.
Comment
CAS-BOT-BC87472
Streptanthus polygaloides
Robert F. Hoover
1967-6-16
10636
Tuolumne
3 miles south of Chinese Camp.
Comment
CAS-BOT-BC87473
Streptanthus polygaloides
Robert F. Hoover
1969-5-23
11332
Tuolumne
3 miles south of Chinese Camp.
Comment
OBI14878
Streptanthus polygaloides
Robert F. Hoover
1969-5-23
11332
Tuolumne
3 mi S of Chinese Camp
Comment
CAS-BOT-BC376048
Stylocline gnaphaloides
R. F. Hoover
1947-3-26
6748
San Luis Obispo
Price Canyon (just s. of)
Comment
CAS-BOT-BC376049
Stylocline gnaphaloides
R. F. Hoover
1969-5-3
11299
San Luis Obispo
Upper Arroyo Grande
Comment
CAS-BOT-BC110382
Suaeda californica
R. F. Hoover
1946-8-8
6283
San Luis Obispo
North end of Morro Bay, at edge of beach.
Comment
CAS-BOT-BC237053
Symphoricarpos mollis
R. F. Hoover
1950-6-20
7985
San Luis Obispo
6 mi. W of Templeton on road to Cambria
Comment
CAS-BOT-BC237055
Symphoricarpos mollis
R. F. Hoover
1950-6-5
7979
San Luis Obispo
Ridge northwest of Cuesta Pass, Santa Lucia Range
Comment
JEPS35306
Symphoricarpos mollis
R. F. Hoover
1950-6-5
7979
San Luis Obispo
ridge nw Cuesta Pass; Santa Lucia Range
Comment
GH386446
Symphoricarpos rotundifolius
R. F. Hoover
1938-7-18
3675
Unknown
Relief Reservoir
Comment
UCSB22836
Symphyotrichum spathulatum
Hoover, Robert
1938-8-16
Mariposa
Peregoy Meadow
Comment
OBI11894
Taraxia ovata
Robert F. Hoover
1948-3-4
7425
San Luis Obispo
Osos Valley
Comment
OBI11896
Taraxia ovata
Robert F. Hoover
1959-4-3
8490
San Luis Obispo
1.8 mi N of Arroyo de la Cruz on State hwy 1
Comment
OBI3255
Taraxia ovata
R. L. Hoover
1968-4-11
40
Monterey
3 mi S of US 101 on Crazy Horse Cyn rd
Comment
JEPS38105
Tetradymia glabrata
R. F. Hoover
1940-10-5
4665
Lassen
Wendel
Comment
OBI11977
Tetrapteron graciliflorum
Robert F. Hoover
1950-4-30
7863
San Luis Obispo
La Panza district
Comment
OBI12733
Thermopsis californica var. californica
Robert F. Hoover
1964-5-11
8759
San Luis Obispo
5 mi W of Pozo
Comment
RSA43224
Thermopsis californica var. californica
Robert F. Hoover
1946-6-15
6149
San Luis Obispo
Rinconada Mine, between Santa Margarita and Pozo
Comment
UC1285138
Thermopsis macrophylla
R. F. Hoover
1946-6-15
6149
San Luis Obispo
between Santa Margarita and Pozo; Rinconada Mine
Comment
UC1296169
Thysanocarpus curvipes
R. F. Hoover
1947-3-29
6784
San Luis Obispo
Atascadero
Comment
OBI77666
Thysanocarpus curvipes subsp. elegans
R. L. Hoover
1968-4-20
60
Napa
In field NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn rds
Comment
OBI14847
Thysanocarpus laciniatus
Robert F. Hoover
1958-3-19
8427
San Luis Obispo
Carrizo Plain, near N base of Caliente Mt
Comment
UC1296171
Thysanocarpus laciniatus
R. F. Hoover
1965-1-31
9329
San Luis Obispo
on Johnson Ave. extension near junction with Arroyo Grande road s San Luis Obispo
Comment
UC1296172
Thysanocarpus laciniatus
R. F. Hoover
1949-4-2
7564
San Luis Obispo
Cholame Valley at foot Cottonwood Pass grade; Cholame Valley at foot of Cottonwood Pass grade
Comment
UC765051
Thysanocarpus laciniatus
R. F. Hoover
1938-3-10
2829
Alameda
at foot of grade near Livermore (Arroyo Mocho); Arroyo Mocho
Comment
UC762985
Tiquilia nuttallii
R. F. Hoover
1941-7-5
5417
Mono
near Mill Creek on plain at n.w. corner of Mono Lake
Comment
UC771732
Trichostema lanatum
R. F. Hoover
1946-6-15
6150
San Luis Obispo
Rinconada Mine, betw. Santa Margarita and Pozo
Comment
UC763229
Trichostema lanceolatum
R. F. Hoover
1936-10-1
1598
Merced
El Nido
Comment
UC762790
Trichostema laxum
R. F. Hoover
1938-6-8
3546
Lake
Butts Canyon
Comment
CAS-BOT-BC220859
Trichostema ovatum
R. F. Hoover
1946-10-13
6491
San Luis Obispo
East edge of Cuyama Valley near Kern Co. line
Comment
CAS-BOT-BC220867
Trichostema ovatum
R. F. Hoover
1937-7-14
2616
Fresno
Mendota
Comment
JEPS63176
Trichostema ovatum
R. F. Hoover
1937-6-30
2589
Fresno
Kerman
Comment
OBI13448
Trichostema ovatum
Robert F. Hoover
1969-10-6
11646
San Luis Obispo
East end of Cuyama Valley near Kern co. line
Comment
UC596153
Trichostema ovatum
R. F. Hoover
1937-6-30
2589
Fresno
Kerman
Comment
UCLA54778
Trichostema ovatum
R. F. Hoover
1937-6-30
2589
Fresno
Kerman
Comment
SEINET13948236
Trichostema ovatum
Robert F. Hoover
1937-1
2587
Fresno
Raisin City
Comment
JEPS63185
Trichostema rubisepalum
R. F. Hoover
1937-9-3
2716
Tuolumne
2 mi S of Chinese camp
Comment
UC763237
Trichostema simulatum
R. F. Hoover
1940-10-11
4686
Alpine
Markleeville
Comment
OBI12726
Trifolium albopurpureum
Robert F. Hoover
1966-4-20
9821
San Luis Obispo
4 mi E of Creston on rd toward la Panza
Comment
UC764697
Trifolium albopurpureum var. albopurpureum
Robert F. Hoover
1936-3-17
764
Stanislaus
La Grange
Comment
UC764713
Trifolium barbigerum
R. F. Hoover
1938-4-10
3035
Alameda
e edge Livermore Valley
Comment
OBI12704
Trifolium ciliolatum
R. L. Hoover
1968-4-20
46
Napa
On Howell Mtn rd, 2.6 mi NE of State Rte 29/128, on W side of rd
Comment
OBI12695
Trifolium depauperatum var. depauperatum
Robert F. Hoover
1967-3-22
10254
San Luis Obispo
N side of Soda lake, Carrizo Plain
Comment
UC764043
Trifolium depauperatum var. truncatum
R. F. Hoover
1940-4-12
4330
Stanislaus
10 mi s Modesto
Comment
OBI12687
Trifolium fucatum
Robert F. Hoover
1969-4-22
11251
San Luis Obispo
San Bernardo Crk E of Morro Bay
Comment
OBI12676
Trifolium grayi
Robert F. Hoover
1952-4-8
8069
San Luis Obispo
Pozo (1 mi W)
Comment
OBI12650
Trifolium subterraneum
Robert F. Hoover
1959-5-16
8503
San Luis Obispo
Cambria, near ocean bluff
Comment
OBI75559
Trifolium variegatum var. major
Robert F. Hoover
1967-4-12
10421
San Luis Obispo
Upper Arroyo Grande
Comment
UC1285154
Trifolium variegatum var. melananthum
R. F. Hoover
1947-5-2
7119
San Luis Obispo
Atascadero
Comment
UC596559
Trifolium willdenovii
R. F. Hoover
1938-5-16
3417
Stanislaus
near La Grange (on rd to Snelling)
Comment
UC764721
Trifolium willdenovii
R. F. Hoover
1937-5-6
2090
Stanislaus
Montspellier
Comment
UC764722
Trifolium willdenovii
R. F. Hoover
1937-5-6
2081
San Joaquin
5 mi se Stockton
Comment
UC764728
Trifolium willdenovii
R. F. Hoover
1935-3-18
374
San Joaquin
w Ripon (San Joaquin River bridge)
Comment
OBI12645
Trifolium willdenovii
Robert F. Hoover
1969-3-28
11195
Stanislaus
W of Crow's Landing, on low hill at edge of San Joaquin Valley
Comment
OBI12630
Trifolium wormskioldii
Robert F. Hoover
1947-4-18
6953
San Luis Obispo
Mouth of San Simeon Crk
Comment
OBI12665
Trifolium wormskioldii
Robert F. Hoover
1947-5-2
7119
San Luis Obispo
Atascadero
Comment
UC767548
Triglochin maritima
R. F. Hoover
1941-5-8
4990
Marin
2 mi nw Tiburon
Comment
JEPS10691
Triphysaria eriantha subsp. eriantha
R. F. Hoover
1938-3-20
2873
Merced
Volta
Comment
JEPS9117
Triphysaria micrantha
R. F. Hoover
1939-3-19
3923
Fresno
Piedra
Comment
JEPS9120
Triphysaria micrantha
R. F. Hoover
1937-3-26
1700
Stanislaus
4 mi s Oakdale
Comment
JEPS3985
Triphysaria pusilla
R. F. Hoover
1937-4-28
2006
Alameda
ridge s Strawberry Canyon (Berkeley Hills); Berkeley Hills
Comment
JEPS11169
Triphysaria versicolor subsp. faucibarbata
R. F. Hoover
1939-4-18
4034
Sonoma
Occidental
Comment
JEPS11171
Triphysaria versicolor subsp. faucibarbata
R. F. Hoover
1941-4-26
4921
Napa
Pope Valley
Comment
UC767085
Trisetum projectum
R. F. Hoover
1940-7-22
4424
Tuolumne
n side Pigeon Flat
Comment
UC618187
Triteleia lilacina
R. F. Hoover
1937-4-23
1950
Tuolumne
2 mi w Chinese Camp
Comment
RSA201600
Triteleia lugens
Robert F. Hoover
1956-5-6
8374
San Benito
1.5 miles N of site of old Pinnacles Post Office, 27 miles from Hollister on road to King City
Comment
OBI6584
Triteleia lugens
Robert F. Hoover
1965-5-9
9357
Monterey
Upper Henry Sands Canyon, La Gloria Road, east of Gonzales
Comment
GH422490
Tropidocarpum capparideum
R. F. Hoover
1937-4-3
1733
Unknown
Tracy
Comment
UC596401
Tropidocarpum capparideum
R. F. Hoover
1936-3-19
806
Contra Costa
Byron Hot Springs
Comment
UC762895
Tropidocarpum gracile
R. F. Hoover
1935-2-9
216
Merced
nine mi w Los Banos
Comment
CAS-BOT-BC199777
Tuctoria greenei
R. F. Hoover
1936-6-4
1287
Tulare
Woodlake
Comment
JEPS71252
Tuctoria greenei
R. F. Hoover
1936-6-8
1288
San Joaquin
2 mi e of Escalon
Comment
UC768734
Tuctoria greenei
R. F. Hoover
1936-5-29
1251
Madera
8 mi n Madera
Comment
UC768736
Tuctoria greenei
R. F. Hoover
1937-6-15
2441
Stanislaus
Paulsell
Comment
CAS-BOT-BC404015
Urtica dioica subsp. holosericea
R. F. Hoover
1967-10-7
10879
San Luis Obispo
Oso Flaco Lake
Comment
OBI8716
Urtica dioica subsp. holosericea
Robert F. Hoover
1967-10-7
10879
San Luis Obispo
Oso Flaco Lake
Comment
CAS-BOT-BC199345
Vaccinium ovatum
R. F. Hoover
1963-5-4
8561
San Luis Obispo
Upper Coon Creek, San Luis Range
Comment
OBI8653
Verbena bracteata
Robert F. Hoover
1966-9-16
10041
San Luis Obispo
3 mi S of Atascadero
Comment
OBI8655
Verbena californica
Robert F. Hoover
1966-1
Tuolumne
Comment
UC768826
Veronica wormskjoldii
R. F. Hoover
1939-7-26
4170
Tuolumne
between Castle Rock and East Flange Rock
Comment
UC1285228
Vicia americana var. americana
R. F. Hoover
1947-3-1
6630
San Luis Obispo
Cambria
Comment
OBI78231
Vicia hassei
Robert F. Hoover
1949-5-1
7651
San Luis Obispo
Cholame Valley, at jctn of Cottonwood and Polonio Pass rds
Comment
OBI12619
Vicia ludoviciana
Robert F. Hoover
1948-5-5
7518
San Luis Obispo
Price Cyn
Comment
UC764647
Vicia villosa subsp. villosa
R. F. Hoover
1935-6-2
641
Stanislaus
Modesto
Comment
OBI8453
Viola pedunculata
Robert F. Hoover
1969-3-28
11203
Merced
E side of Pacheco Pass, on old rd about 1 mi E of summit
Comment
HSC100378
Viola primulifolia subsp. occidentalis
L. D. Hoover
2004-5-26
Del Norte
LE Horton Research Natural Area.
610
Comment
UC762285
Viola purpurea subsp. quercetorum
R. F. Hoover
1941-4-20
4895
Stanislaus
near head of Del Puerto Canyon
Comment
OBI8468
Viola purpurea subsp. quercetorum
Robert F. Hoover
1948-5-2
7499
San Luis Obispo
Summit E of Navajo Crk, La Panza Range
Comment
CAS-BOT-BC183816
Vulpia microstachys var. confusa
R. F. Hoover
1952-4-10
8097
San Luis Obispo
9 miles east of Creston
Comment
UC766879
Vulpia microstachys var. pauciflora
R. F. Hoover
1937-4-10
1795
Kings
20 mi s Corcoran
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
UC766816
Vulpia myuros var. hirsuta
R. F. Hoover
1940-3-23
4273
Kings
e of Avenal (Kettleman Hills, near summit); Kettleman Hills
Comment
CAS-BOT-BC77906
Woodwardia fimbriata
R. F. Hoover
1946-10-20
6508
San Luis Obispo
Price Canyon
Comment
JEPS32066
Wyethia angustifolia
R. F. Hoover
1936-4-30
1061
San Joaquin
Lockeford
Comment
JEPS32119
Wyethia glabra
R. F. Hoover
1941-5-11
5021
Lake
s base Mt. Konocti
Comment
CAS-BOT-BC383415
Wyethia helenioides
R. F. Hoover
1949-5-22
7716
San Luis Obispo
2 mi. E. of Templeton
Comment
UC1392748
Wyethia helenioides
R. F. Hoover
1968-4-11
11015
Monterey
Crazy Horse Road near disposal site
Comment
JEPS41256
Xanthium spinosum
R. F. Hoover
1934-10-20
180
Stanislaus
Carpenter Road near San Joaquin R. (15 mi s of Modesto)
Comment
UC766377
Xerophyllum tenax
Robert F. Hoover
1942-6-12
5898
Monterey
near center of Monterey Peninsula Monterey Peninsula
Comment
OBI14425
Xylococcus bicolor
Robert F. Hoover
1968-6-9
11166
San Diego
San Diego on Golden Gate Dr.near top of steep slope leading down to Mission Valley
Comment
UC766243
Yabea microcarpa
R. F. Hoover
1946-3-30
6047
Kings
Kettleman Hills
Comment
CAS-BOT-BC456124
Zannichellia palustris
R. F. Hoover
1946-11-2
6546
San Luis Obispo
West side of Cottonwood Pass
Comment
UC765326
Zigadenus fremontii
Robert F. Hoover
1938-2-15
2744
Marin
Tiburon
Comment
CAS-BOT-BC533030
Zigadenus fremontii
R. F. Hoover
1947-3-1
6639
San Luis Obispo
Cambria
Comment
CAS-BOT-BC533031
Zigadenus fremontii
R. F. Hoover
1947-3-1
6639
San Luis Obispo
Cambria
Comment
RSA43128
Zigadenus fremontii
Robert F. Hoover
1947-4-20
6975
San Luis Obispo
Near El Dorado School
Comment
CAS-BOT-BC533060
Zigadenus venenosus var. venenosus
R. F. Hoover
1947-5-31
7245
San Luis Obispo
Mariana Creek, east side of La Panza Range
Comment