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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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CAS-BOT-BC100039
Balsamorhiza deltoidea
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1968-6-11
2367
Plumas
Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek
Comment
CAS-BOT-BC100815
Chrysothamnus viscidiflorus subsp. viscidiflorus
John Thomas Howell
1959-9-25
35022
Plumas
Summit of Beckwourth Pass
1588
Comment
CAS-BOT-BC100817
Chrysothamnus viscidiflorus subsp. viscidiflorus
John Thomas Howell
1961-9-25
36959
Plumas
Portola
1478
Comment
CAS-BOT-BC100818
Chrysothamnus viscidiflorus subsp. viscidiflorus
John Thomas Howell
1961-9-25
36963
Plumas
Portola
1478
Comment
CAS-BOT-BC100824
Chrysothamnus viscidiflorus subsp. viscidiflorus
John Thomas Howell
1977-8-11
52671
Plumas
Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir
1676
Comment
CAS-BOT-BC102076
Bidens cernua
John Thomas Howell
1951-8-20
28204
Plumas
Indian Valley
1066
Comment
CAS-BOT-BC103064
Salix bonplandiana
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54338
Plumas
2.8 miles north-northeast of Englemine on Diamond Mt. Road
1341
Comment
CAS-BOT-BC103875
Salix exigua
John Thomas Howell; H. Keith Wagnon
1980-5-26
53590
Plumas
North Fork of Feather River between the mouth of East Branch and Caribou
792
Comment
CAS-BOT-BC103877
Salix exigua
John Thomas Howell
1959-9-21
34770
Plumas
Bars of N. Fk. of Feather River near Belden
701
Comment
CAS-BOT-BC103880
Salix exigua
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54334
Plumas
2.8 miles north-northeast of Englemine on Diamond Mt. Road
1341
Comment
CAS-BOT-BC103881
Salix exigua
John Thomas Howell
1967-6-22
42653
Plumas
Near mouth of Chambers Creek. Canyon of the Feather River North Fork
609
Comment
CAS-BOT-BC103883
Salix exigua
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54187
Plumas
Rush Creek
1402
Comment
CAS-BOT-BC103886
Salix exigua
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2220
Plumas
Mouth of Butterfly Creek
883
Comment
CAS-BOT-BC104603
Quercus vacciniifolia
John Thomas Howell
1960-7-17
35500
Plumas
Lassen Volcanic National Park, Drakesbad
1828
Comment
CAS-BOT-BC104605
Quercus vacciniifolia
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54401
Plumas
Sierra Nevada, Basalt Formation, Walker Plain, about 8 miles SW of Bucks Lake on road to Oroville
1554
Comment
CAS-BOT-BC105205
Marsilea oligospora
John Thomas Howell
1961-9-25
36949
Plumas
Feather River bed, Portola
1478
Comment
CAS-BOT-BC105312
Quercus kelloggii
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54295
Plumas
E side of Indian Valley just N of Taylorsville
1112
Comment
CAS-BOT-BC105314
Quercus kelloggii
John Thomas Howell
1976-7-14
51823
Plumas
American Valley near Quincy on road to Quincy Junction
1036
Comment
CAS-BOT-BC105583
Populus trichocarpa
John Thomas Howell
1961-9-23
36830
Plumas
Indian Valley - Sierra Nevada
1082
Comment
CAS-BOT-BC106227
Brickellia californica
John Thomas Howell; Gordon H. True
1974-7-30
50632
Plumas
Sierra Nevada - Slately rock of roadcut, Keddie
975
Comment
CAS-BOT-BC106230
Brickellia californica
John Thomas Howell; H. Keith Wagnon
1980-5-28
53709
Plumas
North Fork Feather River Canyon 4 miles northeast of Pulga Bridge in area of granitic rock - Sierra Nevada
Comment
CAS-BOT-BC106231
Brickellia californica
John Thomas Howell
1961-9-23
36895
Plumas
Engel Mine [Englemine] - Sierra Nevada
1097
Comment
CAS-BOT-BC106458
Balsamorhiza hookeri
John Thomas Howell
1962-6-18
37788
Plumas
Sierra Valley near Beckwourth - Sierra Nevada
1487
Comment
CAS-BOT-BC107160
Salix lasiolepis var. bigelovii
John Thomas Howell; T. C. Fuller
1981-6-25
54353
Plumas
4.8 miles northwest of Antelope Reservior - Sierra Nevada
1661
Comment
CAS-BOT-BC107161
Salix lasiolepis var. bigelovii
John Thomas Howell; H. Keith Wagnon
1980-5-28
53690
Plumas
Indian Falls, near Indian Creek - Sierra Nevada
975
Comment
CAS-BOT-BC107852
Salix gooddingii
John Thomas Howell
1959-9-21
34768
Plumas
Bars of N. Fork Feather River near Belden - Sierra Nevada
701
Comment
CAS-BOT-BC107967
Salix geyeriana
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1968-6-11
2396
Plumas
End of Butterfly Valley toward canyon - Sierra Nevada
Comment
CAS-BOT-BC108707
Ribes cereum
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54274
Plumas
Sierra Nevada. Rocky summit ridge, Mount Hough.
2203
Comment
CAS-BOT-BC110187
Carex buxbaumii
John Thomas Howell
1976-7-15
51872
Plumas
Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy.
1219
Comment
CAS-BOT-BC11027
Mimulus suksdorfii
John Thomas Howell
1962-6-18
37802
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC110541
Asarum
John Thomas Howell
1977-6-21
52380
Plumas
Sierra Nevada. Seneca.
1097
Comment
CAS-BOT-BC110554
Eschscholzia
John Thomas Howell
1959-9-24
34964
Plumas
Sierra Nevada. Sierra Valley near Beckwourth.
1478
Comment
CAS-BOT-BC110862
Scirpus diffusus
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1968-6-11
2391
Plumas
In wet area of Butterfly Valley
Comment
CAS-BOT-BC111002
Scirpus microcarpus
John Thomas Howell
1961-9-22
36795
Plumas
Work Creek, Greenville
1088
Comment
CAS-BOT-BC111269
Schoenoplectus acutus var. occidentalis
John Thomas Howell
1961-9-23
36857
Plumas
Indian Valley
1082
Comment
CAS-BOT-BC111273
Schoenoplectus acutus var. occidentalis
John Thomas Howell
1960-7-19
35650
Plumas
Wet slope near hot springs, Drakesbad, Lassen Volcanic National Park.
1828
Comment
CAS-BOT-BC111571
Schoenoplectus americanus
John Thomas Howell
1960-7-19
35642
Plumas
Wet slope near hot springs, Drakesbad. Plants of Lassen Volcanic National Park.
Comment
CAS-BOT-BC111572
Schoenoplectus americanus
John Thomas Howell
1959-9-22
34867
Plumas
On hot spring terrases, Drakesbad.
1737
Comment
CAS-BOT-BC113392
Eleocharis engelmannii var. detonsa
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1967-7-12
2146
Plumas
Pond reservoir, Butterfly Botanical Area.
1127
Comment
CAS-BOT-BC113395
Eleocharis engelmannii var. detonsa
John Thomas Howell
1926-7-30
2158
Plumas
Adjacent to Pond Reservoir. Butterfly Botanical Area.
1371
Comment
CAS-BOT-BC113397
Eleocharis engelmannii var. detonsa
John Thomas Howell
1951-8-20
28212
Plumas
Genessee
1127
Comment
CAS-BOT-BC113508
Eleocharis bella
John Thomas Howell
1960-7-22
35879
Plumas
Wet meadow, Drakesbad.
1828
Comment
CAS-BOT-BC113511
Eleocharis bella
John Thomas Howell
1961-9-22
36794
Plumas
Wolf Creek, Greenville.
1088
Comment
CAS-BOT-BC113512
Eleocharis bella
John Thomas Howell; Gordon H. True
1967-7-9
43266
Plumas
Meadow at Quincy
1036
Comment
CAS-BOT-BC113513
Eleocharis bella
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1967-7-12
2147
Plumas
Pond reservoir.
1127
Comment
CAS-BOT-BC113710
Eleocharis acicularis
John Thomas Howell; Walter Knight; Irja Knight
1967-6-12
2000
Plumas
Near spring, Butterfly Botanical Area.
1127
Comment
CAS-BOT-BC113876
Cyperus niger var. capitatus
John Thomas Howell
1960-8-20
36275
Plumas
Wet meadow, Drakesbad
1828
Comment
CAS-BOT-BC114127
Cyperus squarrosus
John Thomas Howell
1959-9-25
34987
Plumas
Sandy beach of Feather River, Portola.
1478
Comment
CAS-BOT-BC114131
Cyperus squarrosus
John Thomas Howell
1926-7-26
2125
Plumas
Near Prattville.
1371
Comment
CAS-BOT-BC114935
Carex whitneyi
John Thomas Howell
1951-6-27
27567
Plumas
Johnsonville
1584
Comment
CAS-BOT-BC114936
Carex whitneyi
John Thomas Howell
1960-7-20
35733
Plumas
Drakesbad, Boiling Springs Lake trail.
1828
Comment
CAS-BOT-BC114991
Carex subfusca
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54344
Plumas
2.8 mi NNE of Englemine on Diamond Mt. Road.
1341
Comment
CAS-BOT-BC114993
Carex subfusca
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1968-6-11
2377
Plumas
Moist roadside hollow in canyon of Butterfly Creek between Spanish Creek and Butterfly V.
Comment
CAS-BOT-BC114996
Carex subfusca
John Thomas Howell
1951-6-27
27600
Plumas
McRae Meadow.
1981
Comment
CAS-BOT-BC114999
Carex subfusca
John Thomas Howell
1960-7-20
35712
Plumas
Dry, open rocky meadow in Drakesbad.
1828
Comment
CAS-BOT-BC115155
Carex vesicaria
John Thomas Howell
1960-7-19
35626
Plumas
Meadow, Drakesbad.
1828
Comment
CAS-BOT-BC115408
Carex utriculata
John Thomas Howell
1967-6-23
42709
Plumas
Butterfly Valley.
1066
Comment
CAS-BOT-BC115409
Carex utriculata
John Thomas Howell
1951-6-27
27605
Plumas
McRae Meadow.
1981
Comment
CAS-BOT-BC115410
Carex utriculata
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54182
Plumas
Long Valley at road to Maxwell Mine.
1633
Comment
CAS-BOT-BC115996
Carex subfusca
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-22
54116
Plumas
10.6 mi NE of La Porte on road to Quincy.
1889
Comment
CAS-BOT-BC116097
Delphinium nuttallianum
J. T. Howell; Gordon H. True
1967-7-11
43325
Plumas
Coniferous forest about 3 miles southeast of Mt. Hough
1706
Comment
CAS-BOT-BC116103
Delphinium nuttallianum
J. T. Howell
1951-6-28
27698
Plumas
Eureka Peak
1981
Comment
CAS-BOT-BC116534
Delphinium nuttallianum
J. T. Howell
1962-6-18
37737
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC117370
Carex stipata var. stipata
John Thomas Howell
1976-7-15
51845
Plumas
Snake Lake, ca 4 mi NW of Quincy
1219
Comment
CAS-BOT-BC117738
Carex simulata
John Thomas Howell
1967-6-23
42710
Plumas
Butterfly Valley.
1066
Comment
CAS-BOT-BC117897
Carex scabriuscula
John Thomas Howell
1962-6-16
37644
Plumas
Feather River North Fork on road to Caribou.
731
Comment
CAS-BOT-BC117898
Carex scabriuscula
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54148
Plumas
2.65 miles W of Round Valley Reservoir dam.
1569
Comment
CAS-BOT-BC117899
Carex scabriuscula
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54149
Plumas
2.65 miles W of Round Valley Reservoir dam.
1569
Comment
CAS-BOT-BC118126
Carex rossii
John Thomas Howell
1951-6-28
27709
Plumas
Eureka Peak
2255
Comment
CAS-BOT-BC118130
Carex rossii
John Thomas Howell
1960-7-22
35913
Plumas
Devil's Kitchen to Drakesbad
1828
Comment
CAS-BOT-BC118131
Carex rossii
John Thomas Howell
1960-7-22
35890
Plumas
Drakesbad
1828
Comment
CAS-BOT-BC118134
Carex rossii
John Thomas Howell; R. C. Barneby
1954-5-14
29560
Plumas
11 mi NW of Blairsden
Comment
CAS-BOT-BC118138
Carex rossii
John Thomas Howell; Gordon H. True
1967-7-11
43333
Plumas
Summit ridge of Mt. Hough.
2194
Comment
CAS-BOT-BC118217
Carex scoparia
John Thomas Howell
1976-7-15
51848
Plumas
Snake Lake, ca 4 mi NW of Quincy.
1219
Comment
CAS-BOT-BC119008
Carex pellita
John Thomas Howell
1959-9-23
s.n.
Plumas
Meadow 3 mi from Juniper Lake on road to Chester.
1889
Comment
CAS-BOT-BC119185
Carex pachystachya
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54178
Plumas
Long Valley at road to Maxwell Mine.
1633
Comment
CAS-BOT-BC119187
Carex pachystachya
John Thomas Howell
1960-7-23
35958 A
Plumas
Meadow near Soda Spring., Drakesbad.
1828
Comment
CAS-BOT-BC119188
Carex pachystachya
John Thomas Howell
1960-7-23
35958 B
Plumas
Meadow borders, Drakesbad.
1828
Comment
CAS-BOT-BC119189
Carex pachystachya
John Thomas Howell
1960-7-19
35653
Plumas
Wet slope near hot springs, Drakesbad.
1828
Comment
CAS-BOT-BC119684
Carex nervina
John Thomas Howell
1951-6-27
27614
Plumas
Jamison Creek
1950
Comment
CAS-BOT-BC119854
Carex nebrascensis
John Thomas Howell
1960-7-22
35881
Plumas
Wet meadow, Drakesbad
1828
Comment
CAS-BOT-BC119855
Carex nebrascensis
John Thomas Howell
1951-6-28
27674
Plumas
Jamison Creek
1584
Comment
CAS-BOT-BC121002
Paeonia brownii
J. T. Howell; Gordon H. True
1967-7-11
43366
Plumas
Southeast slope of Mt. Hough
2042
Comment
CAS-BOT-BC121003
Paeonia brownii
J. T. Howell
1962-6-17
37717
Plumas
Portola
1463
Comment
CAS-BOT-BC121742
Delphinium patens subsp. patens
John Thomas Howell
1951-6-27
27579
Plumas
McRae Meadow
1981
Comment
CAS-BOT-BC124787
Salix lemmonii
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1968-6-11
2398
Plumas
Butterfly Botanical Area
Comment
CAS-BOT-BC124788
Salix lemmonii
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-22
54095
Plumas
10.6 miles northeast of La Porte on road to Quincy
1889
Comment
CAS-BOT-BC124796
Salix lemmonii
John Thomas Howell
1960-7-20
35724
Plumas
Drakesbad
1828
Comment
CAS-BOT-BC124803
Salix lemmonii
John Thomas Howell
1961-9-25
36927
Plumas
Feather River bed, Portola
1478
Comment
CAS-BOT-BC125309
Salix lasiandra var. lasiandra
John Thomas Howell
1955-7-20
30841
Plumas
Mohawk
1371
Comment
CAS-BOT-BC125312
Salix lasiandra var. lasiandra
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54337
Plumas
2.8 miles north-northeast of Englemine on Diamond Mt. Road
1341
Comment
CAS-BOT-BC125314
Salix lasiandra var. lasiandra
John Thomas Howell
1959-9-24
34941
Plumas
Butterfly Creek near mouth
Comment
CAS-BOT-BC125318
Salix lasiandra var. lasiandra
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1968-6-11
2399
Plumas
Butterfly Botanical Area. Valley proper
Comment
CAS-BOT-BC125324
Salix lasiandra var. lasiandra
John Thomas Howell
1961-6-21
36606
Plumas
Greenville
1097
Comment
CAS-BOT-BC125330
Salix lasiandra var. lasiandra
John Thomas Howell
1977-8-11
52675
Plumas
Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir
1676
Comment
CAS-BOT-BC127081
Agrostis exarata
John Thomas Howell; Gordon H. True
1973-7-31
50087
Plumas
Sierra Nevada. Summit ridge of Thompson Peak. Diamond Range.
2194
Comment
CAS-BOT-BC127082
Agrostis exarata
John Thomas Howell
1961-9-24
36918
Plumas
Sierra Nevada. Feather River bed southwest of Beckwourth.
1487
Comment
CAS-BOT-BC127085
Agrostis exarata
John Thomas Howell
1960-7-22
35883
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC127086
Agrostis exarata
John Thomas Howell
1960-7-19
35664
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC127087
Agrostis exarata
John Thomas Howell
1960-7-18
35520
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC127089
Agrostis exarata
John Thomas Howell
1926-7-26
2126
Plumas
Near Prattville.
1371
Comment
CAS-BOT-BC127092
Agrostis exarata
John Thomas Howell
1976-7-15
51844
Plumas
Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy.
1219
Comment
CAS-BOT-BC127094
Agrostis exarata
John Thomas Howell
1959-9-25
35005
Plumas
Sierra Nevada. 2 miles east of Portola.
1484
Comment
CAS-BOT-BC127095
Agrostis exarata
John Thomas Howell
1976-7-16
51904
Plumas
Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek.
1097
Comment
CAS-BOT-BC127100
Agrostis exarata
John Thomas Howell
1961-9-23
36867
Plumas
Sierra Nevada. Indian Valley.
1082
Comment
CAS-BOT-BC127101
Agrostis exarata
John Thomas Howell
1976-7-16
51907
Plumas
Spanish Creek at mouth of Wapaunsie Creek.
1097
Comment
CAS-BOT-BC127103
Agrostis exarata
John Thomas Howell
1951-6-29
27751
Plumas
Feather River Canyon.
548
Comment
CAS-BOT-BC127494
Agrostis capillaris
John Thomas Howell
1955-7-19
30828
Plumas
Sierra Nevada. Mohawk.
1371
Comment
CAS-BOT-BC127497
Agrostis capillaris
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54122 A
Plumas
Sierra Nevada. Quincy.
1036
Comment
CAS-BOT-BC127595
Agropyron cristatum
John Thomas Howell
1955-7-19
30749
Plumas
Sierra Nevada. Beckwourth.
1493
Comment
CAS-BOT-BC127597
Agropyron cristatum
John Thomas Howell; H. Keith Wagnon
1980-5-28
53708
Plumas
Sierra Nevada. North Fork Feather River Canyon 4 miles northeast of Pulga Bridge.
Comment
CAS-BOT-BC128021
Blepharipappus scaber
John Thomas Howell
1962-6-18
37787
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC12825
Lepidium perfoliatum
John Thomas Howell
1955-7-19
30791
Plumas
Sierra Nevada. Vinton.
1505
Comment
CAS-BOT-BC12826
Lepidium perfoliatum
John Thomas Howell
1962-6-17
37732
Plumas
Sierra Nevada. Portola.
1463
Comment
CAS-BOT-BC128439
Salix lasiolepis var. lasiolepis
John Thomas Howell
1959-9-21
34771
Plumas
Bars of N. Fork Feather River near Belden - Sierra Nevada
701
Comment
CAS-BOT-BC128442
Salix lasiolepis var. lasiolepis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54287
Plumas
Moist seepage area on China Grade, 1.4 miles south of Taylorsville - Sierra Nevada
1402
Comment
CAS-BOT-BC128443
Salix lasiolepis var. lasiolepis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54389
Plumas
Meadow and meadow borders, 0.3 miles southwest of Bucks Summit on road to Bucks Lake - Sierra Nevada
1645
Comment
CAS-BOT-BC128860
Philadelphus
John Thomas Howell
1959-9-21
34739
Plumas
Beldon
701
Comment
CAS-BOT-BC128861
Philadelphus
John Thomas Howell
1962-6-16
37635
Plumas
Lewisia Rock, Feather River North Fork - Sierra Nevada
640
Comment
CAS-BOT-BC129384
Salix melanopsis
John Thomas Howell
1959-9-21
34769
Plumas
Bars of N. Fork Feather River near Belden - Sierra Nevada
701
Comment
CAS-BOT-BC129385
Salix melanopsis
John Thomas Howell; Gordon H. True
1967-7-9
43253
Plumas
North Fork of Feather River 3 miles southwest of Caribou - Sierra Nevada
853
Comment
CAS-BOT-BC129388
Salix melanopsis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54335
Plumas
2.8 miles north-northeast of Englemine on Diamond Mt. Road - Sierra Nevada
1341
Comment
CAS-BOT-BC131948
Allium tribracteatum
John Thomas Howell; Gordon H. True
1967-7-11
43372
Plumas
About 2 miles southeast of Mt. Hough
1828
Comment
CAS-BOT-BC133079
Lilium washingtonianum subsp. washingtonianum
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2158
Plumas
Butterfly Botanical Area and Vicinity
1127
Comment
CAS-BOT-BC13437
Agoseris retrorsa
John Thomas Howell
1960-7-19
35693
Plumas
Drakesbad, Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC13439
Agoseris retrorsa
John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True
1967-6-12
1922
Plumas
Butterfly Botanical Area and Vicinity, between valley proper and Darlingtonia bog.
1066
Comment
CAS-BOT-BC13541
Ambrosia acanthicarpa
John Thomas Howell
1959-9-25
35025
Plumas
Summit of Beckwourth Pass
1588
Comment
CAS-BOT-BC13542
Ambrosia acanthicarpa
John Thomas Howell
1959-9-25
34981
Plumas
Portola
1478
Comment
CAS-BOT-BC135726
Iris hartwegii
John Thomas Howell
1962-6-17
37680
Plumas
Butterfly Valley - Sierra Nevada
1036
Comment
CAS-BOT-BC136149
Dodecatheon alpinum
John Thomas Howell
1951-6-27
27612
Plumas
Jamison Creek - Sierra Nevada
1950
Comment
CAS-BOT-BC136577
Piperia leptopetala
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2226
Plumas
Field redacted by CAS, contact the data manager for more information
1051
Comment
CAS-BOT-BC136777
Amelanchier utahensis
John Thomas Howell
1960-7-19
35685
Plumas
Drakesbad
1828
Comment
CAS-BOT-BC136786
Amelanchier utahensis
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1969-6-24
2436
Plumas
Vicinity of mouth of Butterfly Creek
883
Comment
CAS-BOT-BC137435
Ivesia baileyi var. baileyi
John Thomas Howell
1977-8-11
52685
Plumas
Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir
1676
Comment
CAS-BOT-BC137706
Anthoxanthum odoratum
John Thomas Howell
1966-7-29
42018
Plumas
Sierra Nevada. Quincy.
1036
Comment
CAS-BOT-BC137996
Alopecurus geniculatus
John Thomas Howell
1926-7-26
2129
Plumas
Prattville.
1371
Comment
CAS-BOT-BC138000
Alopecurus geniculatus
John Thomas Howell
1960-7-22
35882
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC138114
Alopecurus aequalis var. aequalis
John Thomas Howell
1961-9-25
36952
Plumas
Sierra Nevada. Feather River bed, Portola.
1478
Comment
CAS-BOT-BC138115
Alopecurus aequalis var. aequalis
John Thomas Howell
1951-6-28
27732
Plumas
Eureka Lake.
1889
Comment
CAS-BOT-BC138371
Aira caryophyllea var. caryophyllea
John Thomas Howell
1961-9-23
36868
Plumas
Sierra Nevada. Indian Valley.
1082
Comment
CAS-BOT-BC138373
Aira caryophyllea var. caryophyllea
John Thomas Howell
1967-6-23
42665
Plumas
Sierra Nevada. Canyon of Butterfly Creek.
1036
Comment
CAS-BOT-BC138708
Agrostis scabra
John Thomas Howell
1951-6-28
27729
Plumas
Eureka Lake.
1889
Comment
CAS-BOT-BC138714
Agrostis scabra
John Thomas Howell
1960-7-18
35523
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC139602
Agrostis gigantea
John Thomas Howell
1976-7-16
31906
Plumas
Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek.
1097
Comment
CAS-BOT-BC139603
Agrostis gigantea
John Thomas Howell
1973-7-10
49741
Plumas
Sierra Nevada. Near Greenville.
1097
Comment
CAS-BOT-BC139604
Agrostis gigantea
John Thomas Howell
1976-7-15
51837
Plumas
Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy.
1219
Comment
CAS-BOT-BC139614
Agrostis gigantea
John Thomas Howell
1959-9-22
34854
Plumas
Drakesbad.
1737
Comment
CAS-BOT-BC139615
Agrostis gigantea
John Thomas Howell
1959-9-22
34872
Plumas
On hot spring terraces, Drakesbad.
1737
Comment
CAS-BOT-BC139618
Agrostis gigantea
John Thomas Howell
1960-7-18
35521
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC140196
Malus
John Thomas Howell
1959-9-21
34783
Plumas
N. Fk. Feather River near Belden
701
Comment
CAS-BOT-BC140522
Physocarpus
John Thomas Howell
1959-9-24
34938
Plumas
Butterfly Creek near mouth
Comment
CAS-BOT-BC14081
Boechera pauciflora
John Thomas Howell
1960-7-19
35637
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC14255
Boechera pinetorum
John Thomas Howell; Gordon H. True
1973-7-31
50131
Plumas
Sierra Nevada. Diamond Range. On road from Janesville to Thompson Peak.
1981
Comment
CAS-BOT-BC14256
Boechera pinetorum
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1968-6-11
2403
Plumas
Sierra Nevada. Butterfly Botanical Area. Near Pond reservoir.
Comment
CAS-BOT-BC142923
Amelanchier
John Thomas Howell
1961-6-21
36590
Plumas
Greenville - Sierra Nevada
1097
Comment
CAS-BOT-BC14295
Boechera platysperma
John Thomas Howell
1960-7-17
35497
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC143431
Potentilla
John Thomas Howell
1961-6-21
36703
Plumas
Greenville
1097
Comment
CAS-BOT-BC143432
Horkelia fusca var. parviflora
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54170
Plumas
Long Valley at road to Maxwell Mine
1633
Comment
CAS-BOT-BC143857
Cercocarpus ledifolius var. ledifolius
John Thomas Howell; Gordon H. True
1973-7-31
50067
Plumas
Summit ridge of Thompson Peak, Diamond Range
2362
Comment
CAS-BOT-BC143993
Horkelia fusca var. tenella
John Thomas Howell
1926-7-26
2128
Plumas
Near Prattville
1371
Comment
CAS-BOT-BC14469
Boechera platysperma
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54268
Plumas
Sierra Nevada. Rocky summit ridge, Mount Hough.
2203
Comment
CAS-BOT-BC145807
Beckmannia syzigachne
John Thomas Howell
1962-6-18
37747
Plumas
Sierra Nevada. Sierra Valley near Beckwourth.
1487
Comment
CAS-BOT-BC145812
Beckmannia syzigachne
John Thomas Howell
1951-8-20
28216
Plumas
Sierra Nevada. Genesee.
1127
Comment
CAS-BOT-BC145813
Beckmannia syzigachne
John Thomas Howell
1961-9-23
36848
Plumas
Sierra Nevada. Indian Valley.
1082
Comment
CAS-BOT-BC145814
Beckmannia syzigachne
John Thomas Howell
1961-9-25
36938
Plumas
Sierra Nevada. Feather River bed, Portola.
1478
Comment
CAS-BOT-BC146263
Arrhenatherum elatius var. elatius
John Thomas Howell; H. Keith Wagnon
1980-5-26
53593
Plumas
Sierra Nevada. North Fork of Feather River between the mouth of East Branch and Caribou.
792
Comment
CAS-BOT-BC146266
Arrhenatherum elatius var. elatius
John Thomas Howell; Gordon H. True
1967-7-11
43376
Plumas
Sierra Nevada. Meadow at Quincy.
1036
Comment
CAS-BOT-BC146374
Rosa
J. T. Howell
1977-6-20
52371
Plumas
Lake Almanor Peninsula
1371
Comment
CAS-BOT-BC146375
Rosa
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54377
Plumas
0.75 miles northeast of Bucks Summit on road to Quincy
1600
Comment
CAS-BOT-BC14657
Boechera rectissima
John Thomas Howell; Gordon H. True
1973-7-31
50081
Plumas
Sierra Nevada. Diamond Range. Summit ridge of Thompson Peak.
2362
Comment
CAS-BOT-BC147044
Rosa pisocarpa
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1969-6-24
2453
Plumas
Butterfly Creek Canyon
975
Comment
CAS-BOT-BC147045
Rosa pisocarpa
John Thomas Howell
1961-6-21
36701
Plumas
Greenville
1097
Comment
CAS-BOT-BC147047
Rosa pisocarpa
John Thomas Howell
1961-9-22
36815
Plumas
Greenville
1088
Comment
CAS-BOT-BC147048
Rosa pisocarpa
John Thomas Howell
1977-6-21
52377
Plumas
Seneca
1097
Comment
CAS-BOT-BC147367
Rubus pensilvanicus
John Thomas Howell
1976-7-15
51875
Plumas
Snake Lake, about 4 miles north-west of Quincy
1219
Comment
CAS-BOT-BC147388
Rosa californica
John Thomas Howell
1961-9-23
36834
Plumas
Indian Valley
1082
Comment
CAS-BOT-BC147878
Purshia tridentata var. tridentata
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2207
Plumas
Mouth of Butterfly Creek
883
Comment
CAS-BOT-BC147880
Purshia tridentata var. tridentata
John Thomas Howell
1959-9-24
34926
Plumas
Junction of Indian and Spanish creeks
914
Comment
CAS-BOT-BC148164
Rosa gymnocarpa
John Thomas Howell
1976-7-15
51866
Plumas
Snake Lake, about 4 miles northwest of Quincy - Sierra Nevada
1219
Comment
CAS-BOT-BC148165
Rosa gymnocarpa
John Thomas Howell
1959-9-24
34932
Plumas
Butterfly Creek near mouth - Sierra Nevada
Comment
CAS-BOT-BC148167
Rosa gymnocarpa
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54191
Plumas
4 miles north of Grays Flat, on road to Long Valley - Sierra Nevada
1447
Comment
CAS-BOT-BC148168
Rosa gymnocarpa
John Thomas Howell; Walter Knight; Irja Knight
1966-7-26
1558
Plumas
Fern Glen - butterfly Botanical Area and vicinity
1112
Comment
CAS-BOT-BC148170
Rosa gymnocarpa
John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True
1968-6-11
2405
Plumas
Butterfly Botanical Area, South end of Pond reservoir - Sierra Nevada
Comment
CAS-BOT-BC148171
Rosa gymnocarpa
John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True
1969-6-24
2627
Plumas
Ner Overnight Camp - Butterfly Botanical Area and vicnity
1097
Comment
CAS-BOT-BC148173
Rosa gymnocarpa
John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True
1967-7-12
2112
Plumas
At spring - Butterfly Botanical Area and vicnity
1127
Comment
CAS-BOT-BC148703
Bromus carinatus var. marginatus
John Thomas Howell
1960-7-18
35564
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC148709
Bromus carinatus var. marginatus
John Thomas Howell
1960-7-20
35760
Plumas
Lassen Volcanic National Park. Boiling Springs Lake.
1798
Comment
CAS-BOT-BC148710
Bromus carinatus var. marginatus
John Thomas Howell
1960-7-23
35929
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC148711
Bromus carinatus var. marginatus
John Thomas Howell
1975-7-22
51369
Plumas
Sierra Nevada. 2 miles northwest of Spring Garden.
1173
Comment
CAS-BOT-BC148713
Bromus carinatus var. marginatus
John Thomas Howell
1955-7-20
30829
Plumas
Sierra Nevada. Mohawk.
1371
Comment
CAS-BOT-BC148716
Bromus carinatus var. marginatus
John Thomas Howell
1977-6-20
52412
Plumas
Sierra Nevada. On the peninsula of Lake Almanor.
1371
Comment
CAS-BOT-BC148717
Bromus carinatus var. marginatus
John Thomas Howell
1962-6-17
37687
Plumas
Sierra Nevada. Butterfly Valley.
1036
Comment
CAS-BOT-BC148719
Bromus carinatus var. marginatus
John Thomas Howell
1967-6-23
42674
Plumas
Sierra Nevada. Canon of Butterfly Creek.
1036
Comment
CAS-BOT-BC148747
Bromus carinatus var. marginatus
John Thomas Howell
1951-6-28
27657
Plumas
Sierra Nevada. Johnsville.
1584
Comment
CAS-BOT-BC149314
Bromus carinatus var. carinatus
John Thomas Howell; Gordon H. True
1973-8-1
50194
Plumas
Sierra Nevada. Ca. 2.5 miles southeast of Diamond Mountain.
2164
Comment
CAS-BOT-BC149315
Bromus carinatus var. carinatus
John Thomas Howell
1961-9-23
36899
Plumas
Sierra Nevada. Crescent Mills.
1066
Comment
CAS-BOT-BC149317
Bromus carinatus var. carinatus
John Thomas Howell; Gordon H. True
1967-7-11
43360
Plumas
Sierra Nevada. Southeast slope of Mount Hough.
2042
Comment
CAS-BOT-BC149318
Bromus carinatus var. carinatus
John Thomas Howell
1973-7-10
49751
Plumas
Sierra Nevada. Near Greenville.
1097
Comment
CAS-BOT-BC149320
Bromus carinatus var. carinatus
John Thomas Howell
1959-9-21
34829
Plumas
Sierra Nevada. Greenville.
1088
Comment
CAS-BOT-BC149321
Bromus carinatus var. carinatus
John Thomas Howell; Gordon H. True
1967-7-11
43375
Plumas
Sierra Nevada. Meadow at Quincy.
1036
Comment
CAS-BOT-BC149323
Bromus carinatus var. carinatus
John Thomas Howell
1959-9-24
34904
Plumas
Sierra Nevada. Crescent Mills.
1066
Comment
CAS-BOT-BC149324
Bromus carinatus var. carinatus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54305
Plumas
Sierra Nevada. East side of Indian Valley just north of Taylorsville.
1112
Comment
CAS-BOT-BC149638
Spiraea douglasii
John Thomas Howell
1961-6-21
36605
Plumas
Greenville
1097
Comment
CAS-BOT-BC149653
Spiraea douglasii
John Thomas Howell
1924-8-10
617
Plumas
Butterfly Valley near Quincy
Comment
CAS-BOT-BC149665
Spiraea douglasii
John Thomas Howell; Gordon H. True
1973-7-31
50134
Plumas
On road from Janesville to Thompson Peak, Diamond Range
1905
Comment
CAS-BOT-BC149729
Rosa woodsii subsp. ultramontana
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2205
Plumas
Mouth of Butterfly Creek
883
Comment
CAS-BOT-BC149731
Rosa woodsii subsp. ultramontana
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1968-6-11
2378
Plumas
In canyon of Butterfly Creek between Spanish Creek and Butterfly Valley
Comment
CAS-BOT-BC149733
Rosa woodsii subsp. ultramontana
John Thomas Howell
1955-7-20
30843
Plumas
Mohawk
1371
Comment
CAS-BOT-BC150017
Holodiscus discolor var. discolor
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2179
Plumas
Mouth of Butterfly Creek
883
Comment
CAS-BOT-BC150020
Holodiscus discolor var. discolor
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2180
Plumas
Mouth of Butterfly Creek
883
Comment
CAS-BOT-BC151259
Diplacus torreyi
John Thomas Howell
1926-7-26
2123
Plumas
Near Prattville
1371
Comment
CAS-BOT-BC151816
Diplacus mephiticus
John Thomas Howell
1951-6-29
27753
Plumas
Feather River Canyon
548
Comment
CAS-BOT-BC151819
Diplacus mephiticus
John Thomas Howell; Gordon H. True
1967-7-11
43368
Plumas
About 2 miles southeast of Mt. Hough - Sierra Nevada
1828
Comment
CAS-BOT-BC151820
Diplacus mephiticus
John Thomas Howell; T. C. Fuller
1981-6-25
54312
Plumas
Near Englemine on Diamond Mt. Road northest of Taylorsville - Sierra Nevada
1219
Comment
CAS-BOT-BC153619
Erythranthe moniliformis
John Thomas Howell
1976-7-16
51910
Plumas
On flood plain of Spanish Creek at mouth of Wapaunsie Creek
1097
Comment
CAS-BOT-BC15456
Agoseris glauca var. glauca
John Thomas Howell
1962-6-17
37701
Plumas
Portola
1463
Comment
CAS-BOT-BC154845
Prunus virginiana var. demissa
John Thomas Howell
1961-6-21
36648
Plumas
Greenville
1097
Comment
CAS-BOT-BC154853
Prunus virginiana var. demissa
John Thomas Howell
1924-8-10
610
Plumas
Crescent Mills
1219
Comment
CAS-BOT-BC155052
Bromus hordeaceus
John Thomas Howell
1961-6-21
36666 A
Plumas
Sierra Nevada. Greenville.
1097
Comment
CAS-BOT-BC155054
Bromus hordeaceus
John Thomas Howell
1962-6-17
37690
Plumas
Sierra Nevada. Butterfly Valley.
1036
Comment
CAS-BOT-BC155055
Bromus hordeaceus
John Thomas Howell; Gordon H. True
1968-6-10
44543
Plumas
Sierra Nevada. Quincy.
1036
Comment
CAS-BOT-BC155058
Bromus hordeaceus
John Thomas Howell
1963-6-3
39388
Plumas
Sierra Nevada. Quincy.
1036
Comment
CAS-BOT-BC155059
Bromus hordeaceus
John Thomas Howell
1962-6-18
37754
Plumas
Sierra Nevada. Sierra Valley near Beckwourth.
1487
Comment
CAS-BOT-BC155310
Bromus inermis
John Thomas Howell; Gordon H. True
1967-7-11
43378
Plumas
Sierra Nevada. Meadow at Quincy.
1036
Comment
CAS-BOT-BC155312
Bromus inermis
John Thomas Howell; Gordon H. True
1967-7-11
43379
Plumas
Sierra Nevada. Meadow at Quincy.
1036
Comment
CAS-BOT-BC155313
Bromus inermis
John Thomas Howell
1962-6-19
37876
Plumas
Sierra Nevada. Vinton.
1508
Comment
CAS-BOT-BC155315
Bromus inermis
John Thomas Howell; Gordon H. True
1967-7-11
43377
Plumas
Sierra Nevada. Meadow at Quincy.
1036
Comment
CAS-BOT-BC155346
Bromus japonicus
John Thomas Howell
1977-6-24
52417
Plumas
Sierra Nevada. Near confluence of Spanish and Indian Creeks.
929
Comment
CAS-BOT-BC155348
Bromus japonicus
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1967-7-10
2169
Plumas
Sierra Nevada. Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek.
883
Comment
CAS-BOT-BC155797
Bromus diandrus
John Thomas Howell
1967-6-23
s.n.
Plumas
Sierra Nevada. Butterfly Valley.
1036
Comment
CAS-BOT-BC155798
Bromus diandrus
John Thomas Howell; Gordon H. True
1968-6-10
44547
Plumas
Sierra Nevada. Quincy.
1036
Comment
CAS-BOT-BC155926
Bromus commutatus
John Thomas Howell
1951-6-26
27538
Plumas
Sierra Nevada. Feather River Canyon.
853
Comment
CAS-BOT-BC155967
Bromus commutatus
John Thomas Howell
1955-7-20
30867
Plumas
Sierra Nevada. Mohawk.
1371
Comment
CAS-BOT-BC155971
Bromus commutatus
John Thomas Howell
1962-6-18
37814
Plumas
Sierra Nevada. Sierra Valley 5 miles south of Beckwourth.
1493
Comment
CAS-BOT-BC155973
Bromus commutatus
John Thomas Howell; Gordon H. True
1967-6-11
42582
Plumas
Sierra Nevada. Meadow at Quincy.
1036
Comment
CAS-BOT-BC156001
Bromus diandrus
John Thomas Howell
1962-6-17
37689
Plumas
Sierra Nevada. Butterfly Valley.
1036
Comment
CAS-BOT-BC156840
Solanum umbelliferum
J. T. Howell
1951-6-28
27644
Plumas
Johnsville
1585
Comment
CAS-BOT-BC156918
Rubus ursinus
John Thomas Howell
1967-6-23
42707
Plumas
Butterfly Valley
1066
Comment
CAS-BOT-BC156924
Rubus ursinus
John Thomas Howell; H. Keith Wagnon
1980-5-26
53589
Plumas
North Fork of Feather River between the mouth of East Branch and Caribou
792
Comment
CAS-BOT-BC157364
Comarum palustre
John Thomas Howell
1961-9-23
36842
Plumas
Indian Valley
1082
Comment
CAS-BOT-BC158133
Prunus emarginata
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54272
Plumas
Mt. Hough
2203
Comment
CAS-BOT-BC158152
Prunus emarginata
John Thomas Howell; Gordon H. True
1967-7-11
43335
Plumas
Summit ridge of Mt. Hough
2194
Comment
CAS-BOT-BC158594
Prunus
John Thomas Howell
1959-9-24
34940
Plumas
Butterfly Creek near mouth
Comment
CAS-BOT-BC158595
Prunus
John Thomas Howell; R. C. Barneby
1954-5-14
29550
Plumas
Beckwourth Pass
1584
Comment
CAS-BOT-BC158597
Prunus
John Thomas Howell; R. C. Barneby
1954-5-14
29551
Plumas
Beckwourth Pass
1584
Comment
CAS-BOT-BC159308
Drymocallis lactea var. lactea
John Thomas Howell
1960-7-18
35554
Plumas
Meadow border, Drakesbad - Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC159583
Drymocallis glandulosa var. glandulosa
John Thomas Howell
1961-6-21
36628
Plumas
Greenville - Sierra Nevada
1097
Comment
CAS-BOT-BC159820
Prunus andersonii
John Thomas Howell
1962-6-19
37879
Plumas
Beckwourth Pass
1584
Comment
CAS-BOT-BC160836
Camissonia tanacetifolia subsp. quadriperforata
John Thomas Howell
1955-7-19
30753
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC160837
Camissonia tanacetifolia subsp. quadriperforata
John Thomas Howell
1962-6-18
37769
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC161352
Bromus tectorum
John Thomas Howell
1955-7-19
30755
Plumas
Sierra Nevada. Beckwourth.
1493
Comment
CAS-BOT-BC161357
Bromus tectorum
John Thomas Howell
1961-6-21
36672
Plumas
Sierra Nevada. Guerneville.
1097
Comment
CAS-BOT-BC16141
Boechera constancei
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54150
Plumas
Sierra Nevada. 2.65 miles west of Round Valley Reservoir dam.
1569
Comment
CAS-BOT-BC162144
Bromus orcuttianus
John Thomas Howell
1968-6-11
2368
Plumas
Sierra Nevada. Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creeek.
883
Comment
CAS-BOT-BC162148
Bromus orcuttianus
John Thomas Howell
1951-6-28
27656
Plumas
Sierra Nevada. Johnsville.
1584
Comment
CAS-BOT-BC162150
Bromus orcuttianus
John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True
1968-6-11
2352
Plumas
Sierra Nevada. Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek.
883
Comment
CAS-BOT-BC162155
Bromus orcuttianus
John Thomas Howell
1973-7-9
49722
Plumas
Sierra Nevada. Round Valley.
1371
Comment
CAS-BOT-BC162157
Bromus orcuttianus
John Thomas Howell
1975-7-22
51363
Plumas
Sierra Nevada. 2 miles northwest of Spring Garden.
1173
Comment
CAS-BOT-BC163169
Clarkia lassenensis
John Thomas Howell
1967-6-23
42717
Plumas
Canyon of the East Branch of the Feather River 2 miles east of Twain
Comment
CAS-BOT-BC163859
Clarkia purpurea subsp. quadrivulnera
John Thomas Howell; Gordon H. True
1967-7-9
43272
Plumas
Meadow at Quincy
1036
Comment
CAS-BOT-BC163860
Clarkia purpurea subsp. quadrivulnera
John Thomas Howell
1962-6-17
37669
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC163861
Clarkia purpurea subsp. quadrivulnera
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-12
2133
Plumas
At spring. Butterfly Botanical Area and Vicinity
1127
Comment
CAS-BOT-BC164914
Clarkia rhomboidea
John Thomas Howell
1961-6-21
36658
Plumas
Greenville
1097
Comment
CAS-BOT-BC164915
Clarkia rhomboidea
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2224
Plumas
Trestle Glen
Comment
CAS-BOT-BC164918
Clarkia rhomboidea
John Thomas Howell
1967-6-23
42718
Plumas
Canyon of the East Branch of Feather River 2 miles east of Twain
Comment
CAS-BOT-BC165428
Clarkia unguiculata
John Thomas Howell
1967-6-22
42651
Plumas
Near mouth of Granite Creek. Canyon of the Feather River North Fork
609
Comment
CAS-BOT-BC166082
Chamerion angustifolium subsp. circumvagum
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1968-6-11
2364
Plumas
Along edge of Spanish Creek near confluence of Butterfly Creek. Butterfly Botanical Area
Comment
CAS-BOT-BC168219
Viola sheltonii
John Thomas Howell
1977-6-21
52378
Plumas
Seneca
1097
Comment
CAS-BOT-BC16873
Boechera
John Thomas Howell
1976-7-16
s.n.
Plumas
On flood plain of Spanish Creek at mouth of Wapaunsie Creek.
1097
Comment
CAS-BOT-BC169856
Garrya fremontii
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54374
Plumas
0.75 miles northeast of Bucks Summit on road to Quincy
1600
Comment
CAS-BOT-BC169859
Garrya fremontii
John Thomas Howell
1959-9-26
35043
Plumas
Near Kiddie
1005
Comment
CAS-BOT-BC169861
Garrya fremontii
John Thomas Howell
1961-9-23
36891
Plumas
Englemine
1097
Comment
CAS-BOT-BC169863
Garrya fremontii
John Thomas Howell
1959-9-25
35033
Plumas
1.5 mi. se. of Cromberg
1584
Comment
CAS-BOT-BC170695
Alnus rhombifolia
John Thomas Howell
1959-9-21
34744
Plumas
Belden. Sierra Nevada
701
Comment
CAS-BOT-BC170697
Alnus rhombifolia
John Thomas Howell; Gordon H. True
1969-6-23
45817
Plumas
on Middle Fork of Feather River at Nelson Point. Sierra Nevada
1249
Comment
CAS-BOT-BC171348
Alnus incana subsp. tenuifolia
John Thomas Howell
1959-9-24
34936
Plumas
Butterfly Creek near mouth. Sierra Nevada
914
Comment
CAS-BOT-BC171352
Alnus incana subsp. tenuifolia
John Thomas Howell
1951-8-20
28203
Plumas
Indian Valley. Sierra Nevada
1066
Comment
CAS-BOT-BC171354
Alnus incana subsp. tenuifolia
John Thomas Howell
1959-9-24
34936
Plumas
Butterfly Creek near mouth. Sierra Nevada
914
Comment
CAS-BOT-BC171723
Epilobium canum subsp. latifolium
John Thomas Howell
1926-7-26
2119
Plumas
Near Prattville
1524
Comment
CAS-BOT-BC173856
Ribes velutinum
John Thomas Howell; R. C. Barneby
1954-5-14
29552
Plumas
Beckwourth Pass
1584
Comment
CAS-BOT-BC174154
Eremogone aculeata
John Thomas Howell
1951-6-28
27689
Plumas
Eureka Peak
2133
Comment
CAS-BOT-BC174212
Eremogone congesta var. congesta
John Thomas Howell
1973-7-9
49723
Plumas
Round Valley
1371
Comment
CAS-BOT-BC174300
Eremogone congesta var. suffrutescens
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2199
Plumas
Mouth of Butterfly Creek. Butterfly Botanical Area and Vicinity
883
Comment
CAS-BOT-BC174463
Loeflingia squarrosa
John Thomas Howell
1962-6-19
37872
Plumas
5.8 miles e. of Beckwourth
1493
Comment
CAS-BOT-BC17543
Athysanus pusillus
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1967-6-12
1989
Plumas
Butterfly Botanical Area and Vicinity. Valley near barn.
1036
Comment
CAS-BOT-BC175665
Viola sororia subsp. affinis
John Thomas Howell
1976-7-15
51839
Plumas
Snake Lake, about 4 miles northwest of Quincy
1219
Comment
CAS-BOT-BC175765
Caltha leptosepala
John Thomas Howell
1960-7-23
35967
Plumas
Drakesbad. Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC175767
Caltha leptosepala
John Thomas Howell
1951-6-28
27701
Plumas
Eureka Peak
1981
Comment
CAS-BOT-BC17608
Athysanus pusillus
John Thomas Howell
1951-6-28
27670
Plumas
Sierra Nevada. Jamison Creek.
1584
Comment
CAS-BOT-BC176982
Salsola tragus
John Thomas Howell
1959-9-24
34977
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC176984
Salsola tragus
John Thomas Howell
1955-7-19
30763
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC176985
Salsola tragus
John Thomas Howell
1959-9-24
34902
Plumas
Crescent Mills
1066
Comment
CAS-BOT-BC17842
Carex amplifolia
John Thomas Howell
1926-7-31
2176
Plumas
Near Prattville.
1463
Comment
CAS-BOT-BC17935
Carex angustata
John Thomas Howell
1960-7-19
35644
Plumas
Lassen Volcanic National Park. Drakesbad. Near hot springs.
1828
Comment
CAS-BOT-BC17936
Carex angustata
John Thomas Howell
1960-7-22
35873
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC17938
Carex angustata
John Thomas Howell
1960-7-23
35943
Plumas
Lassen Volcanic National Park. Drakesbad. Near soda spring.
1828
Comment
CAS-BOT-BC17941
Carex angustata
John Thomas Howell
1967-6-23
42708
Plumas
Sierra Nevada. Butterfly Valley.
1066
Comment
CAS-BOT-BC181364
Silene occidentalis
John Thomas Howell
1960-7-21
35857
Plumas
Trail to Little Willow Lake, Lassen Volcanic National Park
1767
Comment
CAS-BOT-BC181452
Stellaria obtusa
John Thomas Howell
1959-9-23
s.n.
Plumas
Meadow 3 mi. from Juniper Lake on road to Chester
1889
Comment
CAS-BOT-BC182507
Cryptantha
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54299
Plumas
East side of Indian Valley just north of Taylorsville
1112
Comment
CAS-BOT-BC18363
Carex
John Thomas Howell; Gordon H. True
1969-6-23
45829
Plumas
Sierra Nevada. On Middle Fork of Feather River at Nelson Point.
1249
Comment
CAS-BOT-BC184018
Vulpia microstachys var. microstachys
John Thomas Howell
1951-6-28
27669
Plumas
Jamison Creek
1584
Comment
CAS-BOT-BC184418
Vulpia microstachys var. pauciflora
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1967-6-12
2098
Plumas
Butterfly Botanical Area and Vicinity
1127
Comment
CAS-BOT-BC184419
Vulpia microstachys var. pauciflora
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1967-6-12
1926
Plumas
Butterfly Botanical Area and Vicinity
1066
Comment
CAS-BOT-BC184420
Vulpia microstachys var. pauciflora
John Thomas Howell
1967-6-23
42669
Plumas
Canyon of Butterfly Creek
1036
Comment
CAS-BOT-BC184422
Vulpia microstachys var. pauciflora
John Thomas Howell
1962-6-17
37683 A
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC184425
Vulpia microstachys var. pauciflora
John Thomas Howell
1975-6-16
51159
Plumas
2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC185307
Calamagrostis koelerioides
John Thomas Howell
1951-6-26
27537
Plumas
Sierra Nevada. Feather River Canyon.
853
Comment
CAS-BOT-BC185648
Bromus tectorum
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-6-12
2084
Plumas
Butterfly Botanical Area and Vicinity. Area near spring.
1127
Comment
CAS-BOT-BC185676
Vulpia myuros subsp. megalura
John Thomas Howell
1960-7-20
35767
Plumas
Boiling Springs Lake
1798
Comment
CAS-BOT-BC185679
Vulpia myuros subsp. megalura
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1967-6-12
1978
Plumas
Butterfly Botanical Area and Vicinity
1036
Comment
CAS-BOT-BC186231
Ribes roezlii var. roezlii
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54239
Plumas
About 3 miles southeast of Mt. Hough on road to Quincy
1737
Comment
CAS-BOT-BC186624
Danthonia californica
John Thomas Howell
1962-6-17
37686
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC186698
Brassicaceae
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1968-6-11
2375
Plumas
In canyon of Butterfly Creek. Between Spanish Creek and Butterfly Valley
Comment
CAS-BOT-BC189591
Hackelia
John Thomas Howell; Gordon H. True
1967-7-11
43344
Plumas
Summit ridge of Mount Hough
2194
Comment
CAS-BOT-BC189593
Hackelia
John Thomas Howell; Gordon H. True
1967-7-11
43354
Plumas
SE slope of Mount Hough
2042
Comment
CAS-BOT-BC189659
Danthonia californica
John Thomas Howell
1960-7-22
34888
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC190009
Cinna latifolia
John Thomas Howell
1960-7-23
35961
Plumas
Lassen Volcanic National Park. Drakesbad. Near Soda Spring.
1828
Comment
CAS-BOT-BC190013
Cinna latifolia
John Thomas Howell
1976-7-16
51919
Plumas
Sierra Nevada. Just east of Bucks Summit on road to Meadow Valley.
1645
Comment
CAS-BOT-BC190065
Crypsis alopecuroides
John Thomas Howell
1977-8-11
52716
Plumas
Sierra Nevada. Dessicated bottom of Frenchmans Reservoir on east side near Big Cove.
1706
Comment
CAS-BOT-BC190151
Crypsis vaginiflora
John Thomas Howell
1959-9-21
34748
Plumas
Sierra Nevada. North Fork Feather River near Belden.
701
Comment
CAS-BOT-BC190153
Crypsis vaginiflora
John Thomas Howell
1959-9-26
35068
Plumas
Sierra Nevada. Near Soda Spring, Feather River Canyon. Ca. 1.5 mile west of Belden.
682
Comment
CAS-BOT-BC192334
Danthonia unispicata
John Thomas Howell
1962-6-18
37772
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC192350
Danthonia unispicata
John Thomas Howell; Gordon H. True
1967-7-11
43296
Plumas
2.5 miles from Quincy Junction on road to Mt. Hough
1249
Comment
CAS-BOT-BC192443
Deschampsia cespitosa subsp. cespitosa
John Thomas Howell
1955-7-20
30855
Plumas
Mohawk
1371
Comment
CAS-BOT-BC192446
Deschampsia cespitosa subsp. cespitosa
John Thomas Howell
1959-9-24
34897
Plumas
Greenville
1097
Comment
CAS-BOT-BC192949
Astragalus purshii var. purshii
John Thomas Howell
1962-6-19
37846
Plumas
The Buttes, n. Sierra Valley
1493
Comment
CAS-BOT-BC193533
Trisetum spicatum
John Thomas Howell
1951-6-28
27725
Plumas
Eureka Peak
2255
Comment
CAS-BOT-BC19522
Carex bolanderi
John Thomas Howell
1960-7-21
35866
Plumas
Lassen Volcanic National Park. On trail to Little Willow Lake.
1767
Comment
CAS-BOT-BC19523
Carex bolanderi
John Thomas Howell
1960-7-17
35491
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC19527
Carex bolanderi
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54370
Plumas
Sierra Nevada. 0.75 mile northeast of Bucks Summit on road to Quincy.
1600
Comment
CAS-BOT-BC19625
Carex brainerdii
John Thomas Howell
1960-7-22
35911
Plumas
Lassen Volcanic National Park. Devil's Kitchen to Drakesbad.
1828
Comment
CAS-BOT-BC19633
Carex brainerdii
John Thomas Howell
1951-6-28
27726
Plumas
Eureka Lake.
1889
Comment
CAS-BOT-BC19634
Carex brainerdii
John Thomas Howell
1951-6-28
27714
Plumas
Eureka Peak.
2255
Comment
CAS-BOT-BC19635
Carex brainerdii
John Thomas Howell
1960-7-17
35484
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC19636
Carex brainerdii
John Thomas Howell
1960-7-22
35912
Plumas
Lassen Volcanic National Park. Devil's Kitchen to Drakesbad.
1828
Comment
CAS-BOT-BC197074
Echinochloa crus-galli
John Thomas Howell
1959-9-24
34925 A
Plumas
Junction of Indian and Spanish creeks
914
Comment
CAS-BOT-BC19723
Carex athrostachya
John Thomas Howell
1926-7-26
2131
Plumas
Near Prattville.
1371
Comment
CAS-BOT-BC197241
Echinochloa muricata
John Thomas Howell
1959-9-24
34925
Plumas
Junction of Indian and Spanish creeks
914
Comment
CAS-BOT-BC19725
Carex athrostachya
John Thomas Howell
1951-6-27
27591
Plumas
Sierra Nevada. McRae Meadow.
1981
Comment
CAS-BOT-BC197263
Echinochloa muricata var. microstachya
John Thomas Howell
1961-9-24
36907
Plumas
Feather River bed sw. of Beckwourth
1487
Comment
CAS-BOT-BC19727
Carex athrostachya
John Thomas Howell
1960-7-23
35944
Plumas
Lassen Volcanic National Park. Drakesbad. Near Soda Springs.
1828
Comment
CAS-BOT-BC197390
Thinopyrum intermedium subsp. barbulatum
John Thomas Howell; Gordon H. True
1968-6-10
44544
Plumas
Quincy
1036
Comment
CAS-BOT-BC198149
Deschampsia danthonioides
John Thomas Howell
1951-6-27
27588
Plumas
McRae Meadow - Sierra Nevada
1981
Comment
CAS-BOT-BC198151
Deschampsia danthonioides
John Thomas Howell
1960-7-19
35619
Plumas
Drakesbad - Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC198153
Deschampsia danthonioides
John Thomas Howell
1962-6-19
37864
Plumas
5.8 miles E of Beckwourth - Sierra Nevada
1493
Comment
CAS-BOT-BC199163
Vaccinium cespitosum
John Thomas Howell
1963-6-3
39392
Plumas
Butterfly Valley
Comment
CAS-BOT-BC199164
Vaccinium cespitosum
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1968-6-11
2406
Plumas
Butterfly Botanical Area. Southeast end of Pond reservoir
Comment
CAS-BOT-BC199521
Vaccinium uliginosum
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54382
Plumas
0.25 miles east of Bucks Summit on road to Quincy
1670
Comment
CAS-BOT-BC199689
Trisetum canescens
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54159
Plumas
3.25 miles west of Round Valley Reservoir dam
1633
Comment
CAS-BOT-BC199692
Trisetum canescens
John Thomas Howell
1951-6-28
27658
Plumas
Johnsville
1584
Comment
CAS-BOT-BC199694
Trisetum canescens
John Thomas Howell; Gordon H. True
1969-6-23
45827
Plumas
On Middle Fork of Feather River at Nelson Point
1249
Comment
CAS-BOT-BC199702
Trisetum canescens
John Thomas Howell; Gordon H. True
1969-6-23
45809
Plumas
2.6 mi. n. of Middle Fork of Feather River at Nelson Point
1310
Comment
CAS-BOT-BC199704
Trisetum canescens
John Thomas Howell
1973-7-10
49755
Plumas
Near Greenville
1097
Comment
CAS-BOT-BC199705
Trisetum canescens
John Thomas Howell
1961-6-21
36630
Plumas
Greenville
1097
Comment
CAS-BOT-BC200507
Triticum aestivum
John Thomas Howell
1951-6-27
27563
Plumas
Johnsville
1584
Comment
CAS-BOT-BC200508
Triticum aestivum
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1969-6-24
2462
Plumas
Butterfly Creek Canyon
990
Comment
CAS-BOT-BC200509
Triticum aestivum
John Thomas Howell
1961-6-21
36681
Plumas
Greenville
1097
Comment
CAS-BOT-BC20082
Carex echinata
John Thomas Howell
1962-6-17
37656
Plumas
Sierra Nevada. Butterfly Valley.
1036
Comment
CAS-BOT-BC200855
Astragalus webberi
John Thomas Howell; H. Keith Wagnon
1980-5-27
53604
Plumas
Near Crescent Mills, in southwestern end of Indian Valley
1066
Comment
CAS-BOT-BC200949
Lotus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54372
Plumas
0.75 miles northeast of Bucks Summit on road to Quincy
1600
Comment
CAS-BOT-BC201013
Cytisus scoparius
John Thomas Howell
1959-9-21
34720
Plumas
Belden
701
Comment
CAS-BOT-BC20116
Carex feta
John Thomas Howell
1962-6-17
37659
Plumas
Sierra Nevada. Butterfly Valley.
1036
Comment
CAS-BOT-BC201884
Deschampsia elongata
John Thomas Howell
1960-7-19
35621
Plumas
Drakesbad
1828
Comment
CAS-BOT-BC201885
Deschampsia elongata
John Thomas Howell
1960-7-21
35819
Plumas
Near Terminal Geyser
1828
Comment
CAS-BOT-BC203100
Vitis californica
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1968-6-11
2359
Plumas
Butterfly Botanical Area. At the edge of Spanish Creek at confluence of Butterfly Creek
Comment
CAS-BOT-BC203101
Vitis californica
John Thomas Howell
1977-6-21
52374
Plumas
Seneca
1097
Comment
CAS-BOT-BC204406
Elymus trachycaulus subsp. trachycaulus
John Thomas Howell
1955-7-1
30786
Plumas
Vinton
1505
Comment
CAS-BOT-BC204410
Elymus trachycaulus subsp. trachycaulus
John Thomas Howell
1951-6-27
27566
Plumas
Johnsville
1584
Comment
CAS-BOT-BC204596
Eragrostis mexicana subsp. virescens
John Thomas Howell
1961-9-22
36811
Plumas
Greenville
1088
Comment
CAS-BOT-BC204599
Eragrostis mexicana subsp. virescens
John Thomas Howell
1977-8-11
52669
Plumas
Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir
1676
Comment
CAS-BOT-BC204860
Acmispon argophyllus var. fremontii
John Thomas Howell
1951-6-29
27767
Plumas
Feather River Canyon
548
Comment
CAS-BOT-BC205067
Lathyrus sulphureus
John Thomas Howell
1975-7-22
51374
Plumas
2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC205070
Lathyrus sulphureus
John Thomas Howell
1961-6-21
36696
Plumas
Greenville
1097
Comment
CAS-BOT-BC205073
Lathyrus sulphureus
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1967-6-12
1922
Plumas
Butterfly Botanical Area and Vicinity
1066
Comment
CAS-BOT-BC206504
Elymus glaucus subsp. glaucus
John Thomas Howell
1951-6-27
27568
Plumas
Johnsville - Sierra Nevada`
1584
Comment
CAS-BOT-BC206508
Elymus glaucus subsp. glaucus
John Thomas Howell
1977-6-20
52415
Plumas
On the peninsula of Lake Almanor - Sierra Nevada
1371
Comment
CAS-BOT-BC206510
Elymus glaucus subsp. glaucus
John Thomas Howell
1975-7-22
51373
Plumas
2 miles northwest of Spring Garden - Sierra Nevada
1173
Comment
CAS-BOT-BC206511
Elymus glaucus subsp. glaucus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54320
Plumas
Near Englemine on Diamond Mt. road northeast of Taylorsville - Sierra Nevada
1219
Comment
CAS-BOT-BC206512
Elymus glaucus subsp. glaucus
John Thomas Howell; Walter Knight; Irja Knight
1966-7-27
1405
Plumas
Few yards southwest of Pond reservoir - Butterfly Botanical Area and Vicinity
1097
Comment
CAS-BOT-BC206513
Elymus glaucus subsp. glaucus
John Thomas Howell; Walter Knight; Irja Knight
1966-7-26
1586
Plumas
Fern Glen - Butterfly Botanical Area and Vicinity
1097
Comment
CAS-BOT-BC206514
Elymus glaucus subsp. glaucus
John Thomas Howell; Walter Knight; Irja Knight
1966-7-28
1652
Plumas
In area near Sweetwater Meadow - Butterfly Botanical Area and Vicinity
1127
Comment
CAS-BOT-BC206515
Elymus glaucus subsp. glaucus
John Thomas Howell; Walter Knight; Irja Knight
1966-7-28
1523
Plumas
Area adjacent to north en Pond Reservoir - Butterfly Botanical Area and Vicinity
1097
Comment
CAS-BOT-BC206517
Elymus glaucus subsp. glaucus
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1967-7-10
2213
Plumas
Mouth of Butterfly Creek - Butterfly Botanical Area and Vicinity
883
Comment
CAS-BOT-BC206518
Elymus glaucus subsp. glaucus
John Thomas Howell
1959-9-26
35054
Plumas
Near Virgilia - Sierra Nevada
841
Comment
CAS-BOT-BC206522
Elymus glaucus subsp. glaucus
John Thomas Howell
1967-6-23
42666
Plumas
Canyon of Butterfly Creek - Sierra Nevada
1036
Comment
CAS-BOT-BC20691
Carex fracta
John Thomas Howell
1960-7-20
35710
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC20692
Carex fracta
John Thomas Howell
1960-7-17
35496
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC20693
Carex fracta
John Thomas Howell
1960-7-19
35676
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC20694
Carex specifica
John Thomas Howell
1960-7-22
35909
Plumas
Lassen Volcanic National Park. Devils Kitchen to Drakesbad.
1828
Comment
CAS-BOT-BC20696
Carex fracta
John Thomas Howell
1951-6-27
27608
Plumas
Sierra Nevada. Jamison Creek.
1950
Comment
CAS-BOT-BC20697
Carex fracta
John Thomas Howell
1951-6-28
27649
Plumas
Sierra Nevada. Johnsville.
1584
Comment
CAS-BOT-BC208630
Distichlis spicata
John Thomas Howell
1955-7-19
30789
Plumas
Vinton - Sierra Nevada
1505
Comment
CAS-BOT-BC208791
Lupinus argenteus var. heteranthus
John Thomas Howell
1962-6-17
37712
Plumas
Portola - Sierra Nevada
1463
Comment
CAS-BOT-BC209012
Digitaria sanguinalis
John Thomas Howell
1951-6-29
27768
Plumas
Feather River Canyon
548
Comment
CAS-BOT-BC209232
Dichanthelium acuminatum subsp. acuminatum
John Thomas Howell
1959-9-21
34801
Plumas
4.5 miles from Virgilia on road to Quincy - Sierra Nevada
Comment
CAS-BOT-BC209432
Cornus nuttallii
John Thomas Howell
1959-9-21
34735
Plumas
Belden
701
Comment
CAS-BOT-BC209721
Cornus
John Thomas Howell
1977-6-21
52379
Plumas
Seneca
1097
Comment
CAS-BOT-BC210311
Cornus sericea
John Thomas Howell
1961-6-21
36632
Plumas
Greenville
1097
Comment
CAS-BOT-BC210315
Cornus sericea
John Thomas Howell
1955-7-20
30842
Plumas
Mohawk
1371
Comment
CAS-BOT-BC210316
Cornus sericea
John Thomas Howell
1955-7-20
30842
Plumas
Mohawk
1371
Comment
CAS-BOT-BC210319
Cornus sericea
John Thomas Howell
1976-7-15
51858
Plumas
Snake Lake, about 4 miles north-west of Quincy
1219
Comment
CAS-BOT-BC210320
Cornus sericea
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54286
Plumas
On China Grade, 1.4 miles south of Taylorsville
1402
Comment
CAS-BOT-BC210499
Cornus sericea subsp. occidentalis
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1968-6-11
2400
Plumas
Butterfly Botanical Area
Comment
CAS-BOT-BC210501
Cornus sericea subsp. occidentalis
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1968-6-11
2390
Plumas
Butterfly Valley on east side
Comment
CAS-BOT-BC210502
Cornus sericea subsp. occidentalis
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1969-6-24
2447
Plumas
Butterfly Botanical Area and Vicinity. From vicinity of mouth of Butterfly Creek
883
Comment
CAS-BOT-BC210689
Achnatherum lemmonii
John Thomas Howell
1962-6-17
37710
Plumas
Portola
1463
Comment
CAS-BOT-BC210692
Achnatherum lemmonii
John Thomas Howell
1961-6-21
36655
Plumas
Greenville
1097
Comment
CAS-BOT-BC210694
Achnatherum lemmonii
John Thomas Howell
1967-6-23
42668
Plumas
Canyon of Butterfly Creek
990
Comment
CAS-BOT-BC210697
Achnatherum lemmonii
John Thomas Howell
1951-6-29
27745
Plumas
Spring Garden Creek
1158
Comment
CAS-BOT-BC210746
Achnatherum nelsonii
John Thomas Howell
1962-6-18
37774
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC210814
Achnatherum nelsonii subsp. nelsonii
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54174
Plumas
Long Valley at road to Maxwell Mine
1633
Comment
CAS-BOT-BC210841
Achnatherum occidentale subsp. californicum
John Thomas Howell
1960-7-19
35684 A
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC210849
Achnatherum occidentale subsp. californicum
John Thomas Howell
1960-7-20
35787
Plumas
Lassen Volcanic National Park. Between Boiling Springs Lake and Terminal Geyser
1859
Comment
CAS-BOT-BC210925
Achnatherum occidentale subsp. pubescens
John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True
1968-6-11
2363
Plumas
Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek
Comment
CAS-BOT-BC210926
Achnatherum occidentale subsp. pubescens
John Thomas Howell
1967-6-23
42721
Plumas
Canyon of the East Branch of Feather River 2 miles east of Twain
Comment
CAS-BOT-BC210929
Achnatherum occidentale subsp. pubescens
John Thomas Howell
1961-6-21
36700
Plumas
Greenville
1097
Comment
CAS-BOT-BC210930
Achnatherum occidentale subsp. pubescens
John Thomas Howell
1961-9-23
36894
Plumas
Englemine
1097
Comment
CAS-BOT-BC210931
Achnatherum occidentale subsp. pubescens
John Thomas Howell
1955-7-19
30754
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC213135
Sidalcea
John Thomas Howell
1961-6-21
36604
Plumas
Greenville, Sierra Nevada
1097
Comment
CAS-BOT-BC213817
Elymus repens
John Thomas Howell
1967-6-22
42663
Plumas
Court house square, Quincy - Sierra Nevada
1036
Comment
CAS-BOT-BC213818
Elymus repens
John Thomas Howell
1961-9-23
36826
Plumas
Indian Valley - Sierra Nevada
1082
Comment
CAS-BOT-BC21382
Agoseris aurantiaca var. aurantiaca
John Thomas Howell
1960-7-18
35562
Plumas
Drakesbad
1828
Comment
CAS-BOT-BC215410
Lupinus dalesiae
John Thomas Howell; Gordon H. True
1967-6-12
42587
Plumas
N side of American Valley near Quincy
1036
Comment
CAS-BOT-BC215418
Lupinus dalesiae
John Thomas Howell; R. C. Barneby
1954-5-14
29561
Plumas
11 miles NW of Blairsden
Comment
CAS-BOT-BC216877
Achnatherum occidentale
John Thomas Howell; Gordon H. True
1967-7-11
43336
Plumas
Summit ridge of mount Hough
2194
Comment
CAS-BOT-BC216878
Achnatherum occidentale
John Thomas Howell; Gordon H. True
1973-7-31
50069
Plumas
Summit ridge of Thompson Peak, Diamond Range
2362
Comment
CAS-BOT-BC216880
Achnatherum occidentale
John Thomas Howell
1926-7-24
2100
Plumas
Near Prattville
1463
Comment
CAS-BOT-BC216881
Achnatherum occidentale
John Thomas Howell
1960-7-19
35670
Plumas
Drakesbad
1828
Comment
CAS-BOT-BC217986
Achnatherum nelsonii
John Thomas Howell
1960-7-22
35894
Plumas
Near Soda Springs
1828
Comment
CAS-BOT-BC217995
Achnatherum webberi
John Thomas Howell; Gordon H. True
1973-7-31
50122
Plumas
Summit ridge of Thompson Peak, Diamond Range
2133
Comment
CAS-BOT-BC219015
Trifolium andersonii subsp. andersonii
John Thomas Howell
1962-6-18
37780
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC219219
Ribes nevadense
John Thomas Howell
1976-7-15
51867
Plumas
Snake Lake, about 4 miles NW of Quincy
1219
Comment
CAS-BOT-BC21970
Carex heteroneura
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-22
54117
Plumas
10.6 miles northeast of La Porte on road to Quincy.
1889
Comment
CAS-BOT-BC21971
Carex heteroneura
John Thomas Howell
1960-7-20
35714
Plumas
Drakesbad.
1828
Comment
CAS-BOT-BC21973
Carex heteroneura
John Thomas Howell
1951-6-27
27590
Plumas
McRae Meadow.
1981
Comment
CAS-BOT-BC220244
Monardella sheltonii
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1968-6-11
2371
Plumas
In canyon of Butterfly Creek between Spanish Creek and Butterfly Valley
Comment
CAS-BOT-BC220481
Monardella sheltonii
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1968-6-11
2371
Plumas
In canyon of Butterfly Creek between Spanish Creek and Butterfly Valley
Comment
CAS-BOT-BC220483
Monardella sheltonii
John Thomas Howell
1975-7-22
51349
Plumas
2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC220486
Monardella sheltonii
John Thomas Howell
1975-7-22
51350
Plumas
2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC220492
Monardella sheltonii
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54303
Plumas
East side of Indian Valley just north of Taylorsville
1112
Comment
CAS-BOT-BC221249
Calystegia malacophylla subsp. malacophylla
John Thomas Howell
1962-6-17
37664
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC221879
X Stiporyzopsis
John Thomas Howell
1962-6-19
37841
Plumas
The Buttes, n. Sierra Valley
1493
Comment
CAS-BOT-BC221953
Taeniatherum caput-medusae
John Thomas Howell; Gordon H. True
1967-7-11
43291
Plumas
2.5 miles from Quincy Junction on road to Mt. Hough
1249
Comment
CAS-BOT-BC221954
Taeniatherum caput-medusae
John Thomas Howell
1961-6-21
36603
Plumas
Greenville
1097
Comment
CAS-BOT-BC222105
Monardella odoratissima subsp. pallida
John Thomas Howell
1960-7-20
35789
Plumas
Lassen Volcanic National Park. Between Boiling Springs Lake and Terminal Geyser
1859
Comment
CAS-BOT-BC222114
Monardella odoratissima subsp. pallida
John Thomas Howell
1976-7-16
51881
Plumas
Spanish Creek near mouth of Slate Creek
1066
Comment
CAS-BOT-BC222118
Monardella odoratissima subsp. pallida
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54378
Plumas
0.75 miles northeast of Bucks Summit on road to Quincy
1600
Comment
CAS-BOT-BC224545
Cuscuta californica
John Thomas Howell
1960-7-18
35606
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC227596
Elymus elymoides
John Thomas Howell
1955-7-19
30780
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC227599
Elymus elymoides
John Thomas Howell
1962-6-19
37884
Plumas
Beckwourth Pass
1584
Comment
CAS-BOT-BC227604
Elymus elymoides
John Thomas Howell
1951-6-28
s.n.
Plumas
Eureka Lake
1889
Comment
CAS-BOT-BC227605
Elymus elymoides
John Thomas Howell
1926-7-24
2105
Plumas
Near Prattville
1463
Comment
CAS-BOT-BC227606
Elymus elymoides
John Thomas Howell
1977-6-20
52413
Plumas
On the peninsula of Lake Almanor
1371
Comment
CAS-BOT-BC227722
Elymus elymoides
John Thomas Howell
1955-7-19
30780 A
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC228453
Plagiobothrys torreyi
John Thomas Howell
1962-6-18
37777
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC228459
Plagiobothrys mollis
John Thomas Howell
1926-7-30
2156
Plumas
Prattville
Comment
CAS-BOT-BC228461
Plagiobothrys mollis
John Thomas Howell
1961-9-25
36950
Plumas
Feather River bed, Portola
1478
Comment
CAS-BOT-BC228655
Elymus multisetus
John Thomas Howell
1955-7-19
30779
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC228656
Elymus multisetus
John Thomas Howell
1973-7-10
49749
Plumas
Near Greenville
1097
Comment
CAS-BOT-BC228657
Elymus multisetus
John Thomas Howell
1955-7-19
30779
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC22914
Agoseris heterophylla
John Thomas Howell
1963-6-4
39409
Plumas
Marble Hot Springs, Sierra Valley
Comment
CAS-BOT-BC22916
Agoseris heterophylla
John Thomas Howell
1961-6-21
36637
Plumas
Greenville
1097
Comment
CAS-BOT-BC22921
Agoseris heterophylla
John Thomas Howell
1951-6-27
27578 A
Plumas
Johnsville
1584
Comment
CAS-BOT-BC22922
Agoseris heterophylla
John Thomas Howell
1951-6-27
27578 B
Plumas
Johnsville
1584
Comment
CAS-BOT-BC22923
Agoseris heterophylla
John Thomas Howell
1962-6-17
37729
Plumas
Portola
1463
Comment
CAS-BOT-BC230191
Trifolium productum
John Thomas Howell
1951-6-28
27690
Plumas
Eureka Peak
2133
Comment
CAS-BOT-BC230193
Trifolium productum
John Thomas Howell
1960-7-22
35907
Plumas
Deveil's Kitchen to Drakesbad
1828
Comment
CAS-BOT-BC230394
Navarretia leucocephala subsp. minima
John Thomas Howell
1961-9-24
36921
Plumas
Feather River bed SW of Beckwourth
1487
Comment
CAS-BOT-BC230553
Nemophila parviflora var. austiniae
J. T. Howell; et al.
1967-5-7
2228 A
Plumas
Butterfly Botanical Area and Vicinity. Pond reservoir
1127
Comment
CAS-BOT-BC230956
Plagiobothrys hispidulus
John Thomas Howell
1960-7-19
35613
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC230960
Plagiobothrys hispidulus
John Thomas Howell
1962-6-19
37874
Plumas
5.8 miles E of Beckwourth
1493
Comment
CAS-BOT-BC230961
Plagiobothrys hispidulus
John Thomas Howell
1962-6-18
37746
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC230966
Plagiobothrys hispidulus
John Thomas Howell; Gordon H. True
1973-7-31
50093
Plumas
Summit ridge of Thompson Peak, Diamond Range
2194
Comment
CAS-BOT-BC230990
Plagiobothrys hispidulus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54176
Plumas
Long Valley at road to Maxwell Mine
1633
Comment
CAS-BOT-BC231133
Hackelia amethystina
John Thomas Howell; Gordon H. True
1973-8-1
50190
Plumas
Ca. 2.5 miles SE of Diamond Mountain
2164
Comment
CAS-BOT-BC237006
Symphoricarpos mollis
John Thomas Howell
1967-6-23
42676
Plumas
Canyon of Butterfly Creek, Sierra Nevada
1036
Comment
CAS-BOT-BC237009
Symphoricarpos mollis
John Thomas Howell; Gordon H. True
1967-7-11
43324
Plumas
3 miles southeast of Mt. Hough, Sierra Nevada
1706
Comment
CAS-BOT-BC237010
Symphoricarpos mollis
John Thomas Howell; Gordon H. True
1973-7-31
50124
Plumas
Road from Janesville to Thompson Peak, Dieamond Range, Sierra Nevada
1981
Comment
CAS-BOT-BC237011
Symphoricarpos mollis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54190
Plumas
4 miles by road N. of Grays Flat on road to Long Valley, Sierra Nevada
1447
Comment
CAS-BOT-BC237012
Symphoricarpos mollis
John Thomas Howell; Walter Knight; Irja Knight
1966-7-27
1647
Plumas
Near road in upper part of Sweetwater Meadow, Butterfly Botanical Area and Vicinity
1127
Comment
CAS-BOT-BC237268
Polypogon monspeliensis
John Thomas Howell
1951-8-20
28233
Plumas
Sierra Valley, 3 miles E of Buckwourth
1524
Comment
CAS-BOT-BC237270
Polypogon monspeliensis
John Thomas Howell
1961-9-24
36908
Plumas
Feather River bed SW of Beckwourth
1487
Comment
CAS-BOT-BC237271
Polypogon monspeliensis
John Thomas Howell
1955-7-19
s.n.
Plumas
Sierra Valley at Vinton
1505
Comment
CAS-BOT-BC238463
Scrophularia
John Thomas Howell
1977-8-11
52684
Plumas
Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir
1676
Comment
CAS-BOT-BC238847
Sambucus nigra subsp. caerulea
John Thomas Howell
1951-6-28
27678
Plumas
Jamison Creek
1584
Comment
CAS-BOT-BC238848
Sambucus nigra subsp. caerulea
John Thomas Howell
1960-7-19
35671
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC239298
Penstemon newberryi var. berryi
John Thomas Howell; Gordon H. True
1967-7-11
43351
Plumas
Summit ridge of Mt. Hough
2194
Comment
CAS-BOT-BC239307
Penstemon newberryi var. berryi
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54277
Plumas
Mt. Hough
2203
Comment
CAS-BOT-BC239600
Penstemon rydbergii var. oreocharis
John Thomas Howell
1951-6-28
27642
Plumas
Johnsville
1584
Comment
CAS-BOT-BC239601
Penstemon rydbergii var. oreocharis
John Thomas Howell
1926-7-30
2162
Plumas
Near Prattville
1371
Comment
CAS-BOT-BC239610
Penstemon rydbergii var. oreocharis
John Thomas Howell
1960-7-19
35625
Plumas
Lassen Volcanic National Park, Drakesbad
1828
Comment
CAS-BOT-BC240088
Secale cereale
John Thomas Howell
1955-7-19
30778
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC240090
Secale cereale
John Thomas Howell
1961-6-21
36682
Plumas
Greenville
1097
Comment
CAS-BOT-BC240091
Secale cereale
John Thomas Howell; Gordon H. True
1968-6-10
44554
Plumas
Quincy
1036
Comment
CAS-BOT-BC240244
Setaria viridis
John Thomas Howell
1959-9-21
34726
Plumas
Belden
701
Comment
CAS-BOT-BC240245
Setaria viridis
John Thomas Howell
1959-9-20
34719
Plumas
Tobin
609
Comment
CAS-BOT-BC240358
Utricularia minor
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1968-6-12
2397
Plumas
Butterfly Botanical Area
Comment
CAS-BOT-BC240672
Lonicera interrupta
John Thomas Howell
1951-6-26
27550
Plumas
Feather River Canyon
853
Comment
CAS-BOT-BC241042
Castilleja pilosa
John Thomas Howell
1962-6-18
37763
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC24189
Arctostaphylos
John Thomas Howell
1976-7-16
51916
Plumas
In area of metamorphic shaly rock just east of Bucks Summit on road to Meadow Valley.
1645
Comment
CAS-BOT-BC24203
Arctostaphylos
John Thomas Howell; Gordon H. True
1967-5-8
42196
Plumas
Along Forest Service Rd. between Butterfly Valley proper and the Butterfly Botanical area
Comment
CAS-BOT-BC24207
Arctostaphylos
John Thomas Howell; Gordon H. True
1967-5-8
42197
Plumas
Along Forest Service Rd. between Butterfly Valley proper and the Butterfly Botanical area
Comment
CAS-BOT-BC242969
Poa secunda subsp. secunda
John Thomas Howell
1951-6-28
27663
Plumas
Jamison Creek
1584
Comment
CAS-BOT-BC242978
Poa secunda subsp. secunda
John Thomas Howell; Gordon H. True; Wayne Dakan
1974-7-30
50637
Plumas
Headwaters of Indian Creek SE of Diamond Mountain
2164
Comment
CAS-BOT-BC242983
Poa secunda subsp. secunda
John Thomas Howell; Gordon H. True
1969-6-23
45823 A
Plumas
Middle Fork of Feather River at Nelson Point
1249
Comment
CAS-BOT-BC242986
Poa secunda subsp. secunda
John Thomas Howell
1961-6-21
36644
Plumas
Greenville
1097
Comment
CAS-BOT-BC244047
Eriogonum baileyi var. praebens
John Thomas Howell
1959-9-25
35029
Plumas
Summit of Beckwourth Pass, Sierra Nevada
1588
Comment
CAS-BOT-BC244140
Poa sierrae
John Thomas Howell
1967-6-23
42740
Plumas
Lewisia Rock, 3.5 miles SW of Belden, Feather River Canyon
609
Comment
CAS-BOT-BC244141
Poa sierrae
John Thomas Howell
1967-6-23
42740
Plumas
Lewisia Rock, 3.5 miles SW of Belden, Feather River Canyon
609
Comment
CAS-BOT-BC244142
Poa sierrae
John Thomas Howell
1967-6-22
42650
Plumas
Canyon of the Feather River N Fork, near mouth of Granite Creek
609
Comment
CAS-BOT-BC244143
Poa sierrae
John Thomas Howell; Gordon H. True
1969-4-8
45483
Plumas
Lewisia Rock, 3.5 miles SW of Belden, Feather River Canyon
609
Comment
CAS-BOT-BC244144
Poa sierrae
John Thomas Howell; Gordon H. True
1969-4-8
45483
Plumas
Lewisia Rock, 3.5 miles SW of Belden, Feather River Canyon
609
Comment
CAS-BOT-BC244148
Poa sierrae
John Thomas Howell; Gordon H. True
1969-6-23
45801
Plumas
Lewisia Rock, Feather River Canyon
609
Comment
CAS-BOT-BC244165
Poa trivialis
John Thomas Howell
1967-6-23
42681
Plumas
Canyon of Butterfly Creek
914
Comment
CAS-BOT-BC244167
Poa trivialis
John Thomas Howell; Gordon H. True
1968-6-10
44557
Plumas
Quincy
1036
Comment
CAS-BOT-BC245657
Lemna turionifera
John Thomas Howell
1960-7-22
35868
Plumas
Meadow pond, Drakesbad, Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC246166
Keckiella lemmonii
John Thomas Howell
1976-7-16
51915
Plumas
Just east of Bucks Summit on road to Meadow Valley, Sierra Nevada
1645
Comment
CAS-BOT-BC246167
Keckiella lemmonii
John Thomas Howell
1951-8-19
28174
Plumas
Near Paxton, Sierra Nevada
914
Comment
CAS-BOT-BC246536
Eriogonum elatum var. elatum
John Thomas Howell; Gordon H. True
1973-7-31
50118
Plumas
Summit ridge of Thompson Peak, Diamond Range
2133
Comment
CAS-BOT-BC246853
Poa nemoralis
John Thomas Howell
1977-6-21
52386
Plumas
Seneca
1097
Comment
CAS-BOT-BC247060
Poa secunda subsp. juncifolia
John Thomas Howell
1955-7-19
30785
Plumas
Vinton
1505
Comment
CAS-BOT-BC247078
Poa secunda subsp. juncifolia
John Thomas Howell
1962-6-18
37755
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC247079
Poa secunda subsp. juncifolia
John Thomas Howell
1962-6-18
37757
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC247080
Poa secunda subsp. juncifolia
John Thomas Howell
1962-6-18
37756
Plumas
Sierra Valley near Beckwourth
1490
Comment
CAS-BOT-BC247081
Poa secunda subsp. juncifolia
John Thomas Howell
1955-7-19
30800
Plumas
Vinton
1505
Comment
CAS-BOT-BC247272
Poa palustris
John Thomas Howell
1955-7-19
30735
Plumas
Portola
1478
Comment
CAS-BOT-BC247274
Poa palustris
John Thomas Howell
1961-9-25
36944
Plumas
Feather River bed, Portola
1478
Comment
CAS-BOT-BC247275
Poa palustris
John Thomas Howell
1960-8-20
36277
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC247278
Poa palustris
John Thomas Howell
1951-6-28
27648
Plumas
Johnsville
1584
Comment
CAS-BOT-BC247388
Poa pratensis
John Thomas Howell
1961-6-21
36678
Plumas
Greenville
1097
Comment
CAS-BOT-BC248772
Eriogonum baileyi var. baileyi
John Thomas Howell
1959-9-25
35028
Plumas
Summit of Beckwourth Pass
1588
Comment
CAS-BOT-BC248774
Eriogonum baileyi var. baileyi
John Thomas Howell
1959-9-25
35027
Plumas
Summit of Beckwourth Pass
1588
Comment
CAS-BOT-BC249368
Castilleja applegatei
John Thomas Howell; Gordon H. True
1969-6-23
45805
Plumas
2.6 mi. n. of Middle Fork of Feather River at Nelson Point
1310
Comment
CAS-BOT-BC249746
Castilleja applegatei subsp. pinetorum
John Thomas Howell
1961-6-21
36640
Plumas
Greenville
1097
Comment
CAS-BOT-BC249749
Castilleja applegatei subsp. pinetorum
John Thomas Howell
1951-6-27
27626
Plumas
Jamison Creek
1828
Comment
CAS-BOT-BC249750
Castilleja applegatei subsp. pinetorum
John Thomas Howell
1926-7-24
2101
Plumas
Near Prattville
1463
Comment
CAS-BOT-BC250780
Phleum alpinum
John Thomas Howell
1960-7-22
35876
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC253735
Panicum capillare
John Thomas Howell; Gordon H. True
1967-7-9
43270
Plumas
At Quincy
1036
Comment
CAS-BOT-BC253737
Panicum capillare
John Thomas Howell
1960-7-20
35761
Plumas
Lassen Volcanic National Park. Boiling Springs Lake
1798
Comment
CAS-BOT-BC253738
Panicum capillare
John Thomas Howell
1960-7-20
35728
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC253739
Panicum capillare
John Thomas Howell
1951-8-20
28214
Plumas
Genesee
1127
Comment
CAS-BOT-BC253740
Panicum capillare
John Thomas Howell
1966-7-29
42013
Plumas
Quincy
1036
Comment
CAS-BOT-BC253741
Panicum capillare
John Thomas Howell
1976-7-15
51831
Plumas
Quincy
1051
Comment
CAS-BOT-BC253743
Panicum capillare
John Thomas Howell
1959-9-25
34991
Plumas
Feather River, Portola
1478
Comment
CAS-BOT-BC254056
Castilleja miniata
John Thomas Howell; Gordon H. True
1967-7-11
43276
Plumas
2 miles from Quincy Junction on road to Mt. Hough. Plants of the Sierra Nevada, California
1219
Comment
CAS-BOT-BC254063
Castilleja miniata
John Thomas Howell
1960-7-22
35871
Plumas
Stream bank, Drakesbad. Plants of Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC254390
Piptatherum miliaceum
John Thomas Howell
1976-7-14
51820
Plumas
Feather River Canyon Highway at Injun Jim Campground
609
Comment
CAS-BOT-BC254475
Dichanthelium acuminatum subsp. acuminatum
John Thomas Howell
1976-7-15
51847
Plumas
Snake Lake, about 4 miles NW of Quincy
1219
Comment
CAS-BOT-BC254610
Poa X limosa
John Thomas Howell
1967-6-23
42672
Plumas
Canyon of Butterfly Creek
975
Comment
CAS-BOT-BC254765
Poa bolanderi
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54399
Plumas
Grizzly Summit, 6 miles SW of Bucks Lake
1676
Comment
CAS-BOT-BC254767
Poa bolanderi
John Thomas Howell
1960-7-22
35919
Plumas
Devil's Kitchen to Drakesbad
1828
Comment
CAS-BOT-BC254969
Poa bulbosa
John Thomas Howell; Gordon H. True
1967-5-7
42184
Plumas
Injin Jim Campground at confluence of Granite Creek and North Fork of Feather RIver
609
Comment
CAS-BOT-BC254970
Poa bulbosa
John Thomas Howell
1955-7-19
30740
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC254971
Poa bulbosa
John Thomas Howell
1961-6-21
36676
Plumas
Greenville
1097
Comment
CAS-BOT-BC254972
Poa bulbosa
John Thomas Howell
1951-8-20
28207
Plumas
Taylorsville
1082
Comment
CAS-BOT-BC255097
Poa compressa
John Thomas Howell
1951-6-27
27577
Plumas
Johnsville
1584
Comment
CAS-BOT-BC255098
Poa compressa
John Thomas Howell
1961-6-21
36673
Plumas
Greenville
1097
Comment
CAS-BOT-BC255100
Poa compressa
John Thomas Howell
1977-6-20
52409
Plumas
Below the high water line, on the peninsula of Lake Almanor
1371
Comment
CAS-BOT-BC255101
Poa compressa
John Thomas Howell; et al.
1967-6-12
2007 A
Plumas
Butterfly Botanical Area and Vicinity. Near the spring
1127
Comment
CAS-BOT-BC255103
Poa compressa
John Thomas Howell
1959-9-24
34899
Plumas
Crescent Mills
1066
Comment
CAS-BOT-BC255752
Eriogonum elatum var. villosum
John Thomas Howell
1955-7-19
30826
Plumas
Mohawk, Sierra Nevada
1371
Comment
CAS-BOT-BC25590
Boechera retrofracta
John Thomas Howell; Gordon H. True
1969-6-23
45834
Plumas
Sierra Nevada. On Middle Fork of Feather River at Nelson Point.
1249
Comment
CAS-BOT-BC255918
Poa nervosa
John Thomas Howell; Gordon H. True
1969-6-23
45823
Plumas
Middle Fork of Feather River at Nelson Point
1249
Comment
CAS-BOT-BC25592
Boechera retrofracta
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1969-6-24
2439
Plumas
Butterfly Botanical Area and Vicinity. From vicinity of mouth of Butterfly Creek.
883
Comment
CAS-BOT-BC256171
Eriogonum douglasii var. meridionale
John Thomas Howell
1962-6-18
37790
Plumas
Sierra Valley near Beckwourth, Sierra Nevada
1487
Comment
CAS-BOT-BC25718
Boechera sparsiflora
John Thomas Howell
1962-6-17
37696
Plumas
Sierra Nevada. Portola.
1463
Comment
CAS-BOT-BC25880
Boechera subpinnatifida
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1969-6-24
2440
Plumas
Butterfly Botanical Area and Vicinity. From vicinity of mouth of Butterfly Creek.
883
Comment
CAS-BOT-BC25906
Boechera suffrutescens
John Thomas Howell; Gordon H. True
1967-7-11
43348
Plumas
Sierra Nevada. Summit ridge of Mount Hough.
2194
Comment
CAS-BOT-BC25928
Boechera suffrutescens
John Thomas Howell
1951-6-28
27713
Plumas
Eureka Peak.
2255
Comment
CAS-BOT-BC259634
Paspalum dilatatum
John Thomas Howell
1959-9-21
34798
Plumas
Virgilia
841
Comment
CAS-BOT-BC259635
Paspalum dilatatum
John Thomas Howell
1951-6-29
27756
Plumas
Feather RIver Canyon
548
Comment
CAS-BOT-BC259738
Paspalum distichum
John Thomas Howell
1959-9-21
34755
Plumas
N Fork Feather River near Belden
701
Comment
CAS-BOT-BC260432
Achnatherum hymenoides
John Thomas Howell
1955-7-19
30771
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC260434
Achnatherum hymenoides
John Thomas Howell; Gordon H. True
1973-7-31
50071
Plumas
Summit ridge of Thompson Peak, Diamond Range
2362
Comment
CAS-BOT-BC260842
Phleum pratense
John Thomas Howell; Walter Knight; Irja Knight
1966-7-28
1665
Plumas
In Sweetwater Meadow, Butterfly Botanical Area and Vicinity
1127
Comment
CAS-BOT-BC260844
Phleum pratense
John Thomas Howell
1926-7-26
2136
Plumas
Near Prattville
1371
Comment
CAS-BOT-BC260845
Phleum pratense
John Thomas Howell
1955-7-20
30861
Plumas
Mohawk, Sierra Nevada
1371
Comment
CAS-BOT-BC260847
Phleum pratense
John Thomas Howell
1961-9-23
36817 A
Plumas
Greenville, Sierra Nevada
Comment
CAS-BOT-BC260848
Phleum pratense
John Thomas Howell
1959-9-21
34725
Plumas
Belden, Sierra Nevada
701
Comment
CAS-BOT-BC261592
Eriogonum nudum var. nudum
John Thomas Howell; Gordon H. True
1973-7-31
50077
Plumas
Summit ridge of Thompson Peak, Diamond Range
2362
Comment
CAS-BOT-BC261601
Eriogonum nudum var. nudum
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54130
Plumas
At Round Valley Reservoir dam
1371
Comment
CAS-BOT-BC262073
Eriogonum umbellatum var. nevadense
John Thomas Howell
1951-6-27
27634
Plumas
Jamison Creek
1828
Comment
CAS-BOT-BC262076
Eriogonum umbellatum var. nevadense
John Thomas Howell; Gordon H. True
1973-7-31
50112
Plumas
Summit ridge of Thompson Peak, Diamond Range
2194
Comment
CAS-BOT-BC262244
Eriogonum ursinum
John Thomas Howell
1951-6-27
27630
Plumas
Jamison Creek
1828
Comment
CAS-BOT-BC262265
Eriogonum ursinum
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2204
Plumas
Butterfly Botanical Area and vicinity. Mouth of Butterfly Creek
883
Comment
CAS-BOT-BC262271
Eriogonum ursinum
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54151
Plumas
2.65 miles west of Round Valley Reservoir dam
1569
Comment
CAS-BOT-BC263298
Eriogonum marifolium var. marifolium
John Thomas Howell
1951-6-28
27693
Plumas
Eureka Peak
2133
Comment
CAS-BOT-BC263301
Eriogonum marifolium var. marifolium
John Thomas Howell; Gordon H. True
1973-7-31
50074
Plumas
Summit ridge of Thompson Peak, Diamond Range
2362
Comment
CAS-BOT-BC263302
Eriogonum marifolium var. marifolium
John Thomas Howell; Gordon H. True
1973-7-31
50109
Plumas
Summit ridge of Thompson Peak, Diamond Range
2194
Comment
CAS-BOT-BC263303
Eriogonum marifolium var. marifolium
John Thomas Howell; Gordon H. True
1967-7-11
43342
Plumas
Summit ridge of Mt. Hough
2194
Comment
CAS-BOT-BC263304
Eriogonum marifolium var. marifolium
John Thomas Howell; Gordon H. True
1967-7-11
43343
Plumas
Summit ridge of Mt. Hough
2194
Comment
CAS-BOT-BC263307
Eriogonum marifolium var. marifolium
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54270
Plumas
Mt. Hough
2203
Comment
CAS-BOT-BC263844
Viola
John Thomas Howell
1967-6-23
42705
Plumas
Butterfly Valley
1066
Comment
CAS-BOT-BC263847
Viola
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2122
Plumas
Butterfly Botanical Area and Vicinity. At spring
1127
Comment
CAS-BOT-BC264127
Eriogonum vimineum
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2184
Plumas
Mouth of Butterfly, Butterfly Botanical Area and vicinity
883
Comment
CAS-BOT-BC264128
Eriogonum vimineum
John Thomas Howell; Walter Knight; Irja Knight
1966-7-27
1544
Plumas
Roadside near mouth of Butterfly Creek, Butterfly Botanical Area and vicinity
1036
Comment
CAS-BOT-BC264130
Eriogonum vimineum
John Thomas Howell
1955-7-19
30807
Plumas
Vinton, Sierra Nevada
1508
Comment
CAS-BOT-BC264132
Eriogonum vimineum
John Thomas Howell
1959-9-21
34740
Plumas
Belden, Sierra Nevada
701
Comment
CAS-BOT-BC264137
Eriogonum vimineum
John Thomas Howell
1951-8-19
28175
Plumas
Near Paxton, Sierra Nevada
914
Comment
CAS-BOT-BC264174
Melica subulata
John Thomas Howell; Walter Knight; Irja Knight
1966-7-28
1534
Plumas
Area north of Pond Reservoir, Butterfly Botanical Area and Vicinity
1097
Comment
CAS-BOT-BC264175
Melica subulata
John Thomas Howell; Walter Knight; Irja Knight
1966-7-26
1571
Plumas
Fern Glen, Butterfly Botanical Area and Vicinity
1097
Comment
CAS-BOT-BC264177
Melica subulata
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54163
Plumas
3.25 miles west of Round Valley Reservoir Dam, Sierra Nevada
1633
Comment
CAS-BOT-BC264180
Melica subulata
John Thomas Howell
1960-7-22
35903
Plumas
Devil's Kitchen to Drakesbad, Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC264181
Melica subulata
John Thomas Howell
1962-6-17
37682
Plumas
Butterfly Valley, Sierra Nevada
1036
Comment
CAS-BOT-BC264815
Eriogonum nudum var. deductum
John Thomas Howell
1975-7-22
51367
Plumas
2 miles northwest of Spring Garden, Sierra Nevada
1173
Comment
CAS-BOT-BC264817
Eriogonum nudum var. deductum
John Thomas Howell
1955-7-20
30853
Plumas
Mohawk, Sierra Nevada
1371
Comment
CAS-BOT-BC264818
Eriogonum nudum var. deductum
John Thomas Howell
1951-6-28
27654
Plumas
Johnsville, Sierra Nevada
1584
Comment
CAS-BOT-BC265159
Eriogonum umbellatum var. nevadense
John Thomas Howell
1962-6-18
37795
Plumas
Sierra Valley near Beckwourth, Sierra Nevada
1487
Comment
CAS-BOT-BC265832
Phalaris arundinacea
John Thomas Howell
1961-9-23
36827
Plumas
Indian Valley, Sierra Nevada
1082
Comment
CAS-BOT-BC267001
Muhlenbergia filiformis
John Thomas Howell
1926-7-26
2130
Plumas
Near Prattville
1371
Comment
CAS-BOT-BC267002
Muhlenbergia filiformis
John Thomas Howell
1959-9-25
34993
Plumas
Feather River, Portola
1478
Comment
CAS-BOT-BC267003
Muhlenbergia filiformis
John Thomas Howell
1959-9-21
34819
Plumas
Indian Creek
914
Comment
CAS-BOT-BC267005
Muhlenbergia filiformis
John Thomas Howell
1959-9-22
34846
Plumas
Drakesbad
1737
Comment
CAS-BOT-BC267006
Muhlenbergia filiformis
John Thomas Howell
1959-9-22
34869
Plumas
Drakesbad
1737
Comment
CAS-BOT-BC267058
Alisma
John Thomas Howell
1961-9-25
36941
Plumas
Feather River bed, Portola
1478
Comment
CAS-BOT-BC267076
Sagittaria
John Thomas Howell
1961-9-23
36853
Plumas
Indian Valley
1082
Comment
CAS-BOT-BC267330
Eriogonum luteolum var. pedunculatum
John Thomas Howell
1951-6-29
27763
Plumas
Feather River Canyon
548
Comment
CAS-BOT-BC267331
Eriogonum luteolum var. pedunculatum
John Thomas Howell
1951-6-26
27541
Plumas
Feather River Canyon, Sierra Nevada
853
Comment
CAS-BOT-BC267333
Eriogonum luteolum var. pedunculatum
John Thomas Howell
1974-9-20
50897
Plumas
About 2 miles from Spring Garden on road to Quincy, Sierra Nevada
1158
Comment
CAS-BOT-BC267503
Eriogonum umbellatum
John Thomas Howell
1959-9-25
35032
Plumas
1.5 mi. se. of Cromberg
1280
Comment
CAS-BOT-BC268015
Eriogonum umbellatum var. furcosum
John Thomas Howell
1926-7-27
2148
Plumas
Near Prattville
1676
Comment
CAS-BOT-BC268693
Eriogonum microthecum var. laxiflorum
John Thomas Howell; Gordon H. True
1973-7-31
50070
Plumas
Summit ridge of Thompson Peak, Diamond Range
2362
Comment
CAS-BOT-BC269066
Lolium perenne
John Thomas Howell
1960-7-18
35567
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC269222
Melica aristata
John Thomas Howell
1960-7-22
35902
Plumas
Lassen Volcanic National Park. Devil's Kitchen to Drakesbad
1828
Comment
CAS-BOT-BC269224
Melica aristata
John Thomas Howell
1976-7-15
51864
Plumas
Snake Lake, about 4 miles north-west of Quincy
1219
Comment
CAS-BOT-BC269225
Melica aristata
John Thomas Howell
1960-7-21
35823
Plumas
Lassen Volcanic National Park. Near Terminal Geyser
1798
Comment
CAS-BOT-BC269226
Melica aristata
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54379
Plumas
0.75 miles northeast of Bucks Summit on road to Quincy
1600
Comment
CAS-BOT-BC269723
Eriogonum nudum var. oblongifolium
John Thomas Howell
1951-6-26
27542
Plumas
Feather River Canyon
853
Comment
CAS-BOT-BC269733
Eriogonum nudum var. oblongifolium
John Thomas Howell
1962-6-17
37670
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC269959
Eriogonum spergulinum var. reddingianum
John Thomas Howell; Gordon H. True
1973-8-1
50188
Plumas
Ca. 2.5 miles se. of Diamond Mt.
2164
Comment
CAS-BOT-BC271098
Melica bulbosa
John Thomas Howell
1951-6-28
27721
Plumas
Eureka Peak
2255
Comment
CAS-BOT-BC271100
Melica bulbosa
John Thomas Howell; Gordon H. True
1967-7-11
43332
Plumas
Summit ridge of Mt. Hough, Sierra Nevada
2194
Comment
CAS-BOT-BC271199
Melica
John Thomas Howell; H. Keith Wagnon
1980-5-27
53636
Plumas
About 2 miles northwest of Almanor, Sierra Nevada
1389
Comment
CAS-BOT-BC271694
Symphoricarpos albus var. laevigatus
John Thomas Howell; Gordon H. True
1969-6-23
45839
Plumas
4.7 miles north of Nelson Point on road to Quincy
1188
Comment
CAS-BOT-BC271696
Symphoricarpos albus var. laevigatus
John Thomas Howell
1924-8-10
606
Plumas
Near Greenville
1310
Comment
CAS-BOT-BC271698
Symphoricarpos albus var. laevigatus
John Thomas Howell
1961-6-21
36626 A
Plumas
Greenville
1097
Comment
CAS-BOT-BC271699
Symphoricarpos albus var. laevigatus
John Thomas Howell
1959-9-24
34895
Plumas
Greenville
1097
Comment
CAS-BOT-BC271801
Melica bulbosa
John Thomas Howell; Gordon H. True; G. D. Barbe
1981-6-24
54269
Plumas
Mt. Hough, Sierra Nevada
2203
Comment
CAS-BOT-BC271972
Eriogonum nudum var. pubiflorum
John Thomas Howell
1960-7-19
35635
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC272084
Centaurea cyanus
John Thomas Howell
1959-9-24
34978
Plumas
Sierra Valley near Beckworth, Sierra Nevada
1493
Comment
CAS-BOT-BC272087
Centaurea cyanus
John Thomas Howell
1961-6-21
36654
Plumas
Greenville, Sierra Nevada
1097
Comment
CAS-BOT-BC273494
Hordeum vulgare
John Thomas Howell
1961-6-21
36680
Plumas
Greenville
1097
Comment
CAS-BOT-BC273602
Koeleria pyramidata
John Thomas Howell
1962-6-18
37779
Plumas
Sierra Valley, near Beckwourth
1487
Comment
CAS-BOT-BC274530
Leymus triticoides
John Thomas Howell
1959-9-25
35014
Plumas
5 miles east of Beckwourth, Sierra Valley
1493
Comment
CAS-BOT-BC274531
Leymus triticoides
John Thomas Howell
1961-6-21
36625
Plumas
Greenville
Comment
CAS-BOT-BC274533
Leymus triticoides
John Thomas Howell
1962-6-19
7869
Plumas
5.8 miles e. of Beckwourth
1493
Comment
CAS-BOT-BC275036
Muhlenbergia richardsonis
John Thomas Howell
1959-9-25
34992
Plumas
Feather RIver, Portola
1478
Comment
CAS-BOT-BC276721
Chaenactis douglasii var. douglasii
John Thomas Howell
1926-7-26
2118
Plumas
Near Prattville
1524
Comment
CAS-BOT-BC276723
Chaenactis douglasii var. douglasii
John Thomas Howell
1962-6-17
37715
Plumas
Portola
Comment
CAS-BOT-BC276733
Chaenactis douglasii var. douglasii
John Thomas Howell
1951-6-29
27749
Plumas
Spring Garden Creek
1158
Comment
CAS-BOT-BC277045
Centaurea maculosa
John Thomas Howell
1959-9-24
34923
Plumas
Indian Creek Canyon near Indian Falls
Comment
CAS-BOT-BC277217
Centaurea solstitialis
John Thomas Howell
1959-9-24
34906
Plumas
Crescent Mills
1066
Comment
CAS-BOT-BC278025
Cirsium cymosum
John Thomas Howell
1962-6-17
37713
Plumas
Portola
1463
Comment
CAS-BOT-BC278028
Cirsium cymosum
John Thomas Howell
1962-6-19
37847
Plumas
The Buttes, n. Sierra Valley
1493
Comment
CAS-BOT-BC278089
Cirsium douglasii var. breweri
John Thomas Howell
1959-9-22
34860
Plumas
Drakesbad
1737
Comment
CAS-BOT-BC278100
Cirsium douglasii var. breweri
John Thomas Howell
1960-7-18
35611
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC278217
Schedonorus arundinaceus
John Thomas Howell
1966-7-29
42019
Plumas
Quincy
1036
Comment
CAS-BOT-BC278466
Festuca idahoensis
John Thomas Howell
1962-6-18
37758
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC278845
Festuca occidentalis
John Thomas Howell; Gordon H. True
1969-6-23
45810
Plumas
2.6 mi. n. of Middle Fork of Feather River at Nelson Point
1310
Comment
CAS-BOT-BC278846
Festuca occidentalis
John Thomas Howell
1962-6-17
37681
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC278847
Festuca occidentalis
John Thomas Howell
1961-6-21
36611
Plumas
Greenville
1097
Comment
CAS-BOT-BC278848
Festuca occidentalis
John Thomas Howell
1973-7-10
49750
Plumas
Near Greenville
1097
Comment
CAS-BOT-BC278850
Festuca occidentalis
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2168
Plumas
Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek
883
Comment
CAS-BOT-BC278851
Festuca occidentalis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54218
Plumas
About 5 miles southeast of Mt. Hough on the road to Quincy
1584
Comment
CAS-BOT-BC278852
Festuca occidentalis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54294
Plumas
On China Grade, 1.4 miles south of Taylorsville
1402
Comment
CAS-BOT-BC278853
Festuca occidentalis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54132
Plumas
At Round Valley Reservoir dam
1371
Comment
CAS-BOT-BC279018
Festuca rubra
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54121
Plumas
Quincy
1036
Comment
CAS-BOT-BC279022
Festuca rubra
John Thomas Howell; Gordon H. True
1969-6-23
45841
Plumas
Quincy
1036
Comment
CAS-BOT-BC279024
Festuca rubra
John Thomas Howell
1951-6-28
27681
Plumas
Jamison Creek
1584
Comment
CAS-BOT-BC279025
Festuca rubra
John Thomas Howell
1967-6-23
42739
Plumas
Lewisia Rock 3.5 miles sw. of Belden, Feather River Canyon
609
Comment
CAS-BOT-BC279951
Cirsium douglasii var. breweri
John Thomas Howell
1960-7-24
35986
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC279952
Cirsium douglasii var. breweri
John Thomas Howell
1960-7-24
35986
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC279953
Cirsium douglasii var. breweri
John Thomas Howell
1960-7-24
35987
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC279955
Cirsium douglasii var. breweri
John Thomas Howell
1960-7-24
35984
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC279956
Cirsium douglasii var. breweri
John Thomas Howell
1960-7-24
35977
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC279959
Cirsium douglasii var. breweri
John Thomas Howell
1960-7-24
35976
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC279960
Cirsium douglasii var. breweri
John Thomas Howell
1960-7-24
35980
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC279961
Cirsium douglasii var. breweri
John Thomas Howell
1960-7-24
35979
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC28076
Carex hoodii
John Thomas Howell
1960-7-20
35750
Plumas
Rocky slope, Boiling Springs Lake.
1798
Comment
CAS-BOT-BC28077
Carex hoodii
John Thomas Howell
1960-7-17
35499
Plumas
Near springy place, Drakesbad
1828
Comment
CAS-BOT-BC281269
Melica geyeri
John Thomas Howell; Gordon H. True; Walter & Irja Knight
1968-6-11
2416
Plumas
Butterfly Botanical Area. Near Fern Glen
1066
Comment
CAS-BOT-BC281295
Melica harfordii
John Thomas Howell
1967-6-23
42737
Plumas
Lewisia Rock 3.5 miles SW of Belden, Feather RIver Canyon
609
Comment
CAS-BOT-BC281296
Melica harfordii
John Thomas Howell
1969-6-23
45799
Plumas
Lewisia Rock, Feather RIver Canyon
609
Comment
CAS-BOT-BC282079
Melica fugax
John Thomas Howell
1951-6-27
27607
Plumas
Jamison Creek
1950
Comment
CAS-BOT-BC282082
Melica fugax
John Thomas Howell
1962-6-17
37704
Plumas
Portola
1463
Comment
CAS-BOT-BC282084
Melica fugax
John Thomas Howell; Gordon H. True
1967-7-11
43338
Plumas
Summit ridge of Mount Hough
2194
Comment
CAS-BOT-BC282085
Melica fugax
John Thomas Howell; Gordon H. True
1967-7-11
43346
Plumas
Summit ridge of Mount Hough
2194
Comment
CAS-BOT-BC282086
Melica fugax
John Thomas Howell; et al.
1967-6-12
1993
Plumas
Butterfly Botanical Botanical Area and Vicinity. Valley proper, near barn
1082
Comment
CAS-BOT-BC282087
Melica fugax
John Thomas Howell; et al.
1968-6-11
2362
Plumas
Butterfly Botanical Botanical Area and Vicinity. At confluence of Spanish Creek and Butterfly Creek
Comment
CAS-BOT-BC282088
Melica fugax
John Thomas Howell; et al.
1968-6-11
2408
Plumas
Butterfly Botanical Botanical Area. Near dam
Comment
CAS-BOT-BC282102
Melica fugax
John Thomas Howell
1975-6-16
51154
Plumas
2 miles NW of Spring Garden
1173
Comment
CAS-BOT-BC28214
Bolboschoenus fluviatilis
John Thomas Howell
1961-9-25
36942
Plumas
Feather River bed, Portola.
1478
Comment
CAS-BOT-BC282702
Glyceria elata
John Thomas Howell; Walter Knight; Irja Knight
1968-6-11
2381
Plumas
Butterfly Valley, Sierra Nevada
Comment
CAS-BOT-BC282704
Glyceria elata
John Thomas Howell; Walter Knight; Irja Knight
1966-7-28
1505
Plumas
Pond Reservoir, Butterfly Botanical Area and Vicinity
1097
Comment
CAS-BOT-BC282705
Glyceria elata
John Thomas Howell; Walter Knight; Irja Knight
1966-7-28
1470
Plumas
Butterfly Canyon, Butterfly Botanical Area and Vicinity
990
Comment
CAS-BOT-BC282707
Glyceria elata
John Thomas Howell
1955-7-19
30827
Plumas
Mohawk, Sierra Nevada
1371
Comment
CAS-BOT-BC282708
Glyceria elata
John Thomas Howell
1926-7-30
2153
Plumas
Near Prattville
1463
Comment
CAS-BOT-BC283629
Schedonorus pratensis
John Thomas Howell
1951-8-20
28213
Plumas
Genesee
1127
Comment
CAS-BOT-BC283631
Schedonorus pratensis
John Thomas Howell; Gordon H. True
1967-6-11
42583
Plumas
Meadow at Quincy
1036
Comment
CAS-BOT-BC283633
Schedonorus pratensis
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1967-7-10
2194
Plumas
Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek
883
Comment
CAS-BOT-BC283806
Leymus cinereus
John Thomas Howell
1955-7-19
30795
Plumas
Vinton
1505
Comment
CAS-BOT-BC283809
Leymus cinereus
John Thomas Howell
1959-9-24
34898
Plumas
Crescent Mills
1066
Comment
CAS-BOT-BC283878
Glyceria borealis
John Thomas Howell
1973-7-9
49725
Plumas
At outlet of Round Valley Reservoir
1371
Comment
CAS-BOT-BC283879
Glyceria borealis
John Thomas Howell
1961-9-25
36953
Plumas
Feather River bed, Portola
1478
Comment
CAS-BOT-BC284070
Eragrostis pectinacea var. pectinacea
John Thomas Howell
1961-9-22
36810
Plumas
Greenville, Sierra Nevada
1088
Comment
CAS-BOT-BC284419
Cirsium arvense
John Thomas Howell
1961-9-23
36833
Plumas
Indian Valley, Sierra Nevada
1082
Comment
CAS-BOT-BC284650
Hordeum brachyantherum subsp. brachyantherum
John Thomas Howell
1961-6-21
36694
Plumas
Greenville
1097
Comment
CAS-BOT-BC284651
Hordeum brachyantherum subsp. brachyantherum
John Thomas Howell; Gordon H. True
1969-6-23
45833
Plumas
On Middle Fork of Feather River at Nelson Point
1249
Comment
CAS-BOT-BC284727
Hordeum jubatum
John Thomas Howell
1955-7-19
30792
Plumas
Vinton
1505
Comment
CAS-BOT-BC284728
Hordeum jubatum
John Thomas Howell
1977-8-11
52697
Plumas
At north end of Frenchmans Reservoir
1706
Comment
CAS-BOT-BC284729
Hordeum jubatum
John Thomas Howell
1961-9-25
36935
Plumas
Feather River bed, Portola
1478
Comment
CAS-BOT-BC28510
Carex lenticularis var. lipocarpa
John Thomas Howell
1951-6-28
27733
Plumas
Eureka Lake
1889
Comment
CAS-BOT-BC285104
Hordeum marinum subsp. gussoneanum
John Thomas Howell
1963-6-4
39408
Plumas
Marble Hot Springs, Sierra Valley
Comment
CAS-BOT-BC285105
Hordeum marinum subsp. gussoneanum
John Thomas Howell
1955-7-19
30784
Plumas
Vinton
1505
Comment
CAS-BOT-BC285107
Hordeum marinum subsp. gussoneanum
John Thomas Howell
1967-6-23
42691
Plumas
Butterfly Valley
1066
Comment
CAS-BOT-BC285544
Cirsium occidentale var. candidissimum
John Thomas Howell
1959-9-24
34915
Plumas
Crescent Mills
1066
Comment
CAS-BOT-BC285831
Cirsium vulgare
John Thomas Howell
1959-9-24
34930
Plumas
Butterfly Creek near mouth
883
Comment
CAS-BOT-BC285837
Cirsium vulgare
John Thomas Howell
1960-7-20
35711
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC285838
Cirsium vulgare
John Thomas Howell
1959-9-22
34859
Plumas
Drakesbad
1737
Comment
CAS-BOT-BC286444
Cirsium scariosum
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54333
Plumas
2.8 miles north-northeast of Englemine on Diamond Mt. Road
1341
Comment
CAS-BOT-BC286451
Cirsium scariosum
John Thomas Howell
1960-7-24
35985
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC286452
Cirsium scariosum
John Thomas Howell
1960-7-24
35983
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC286453
Cirsium scariosum
John Thomas Howell
1960-7-24
35982
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC286647
Ericameria bloomeri
John Thomas Howell; Gordon H. True
1959-9-24
34956
Plumas
Near Cromberg
1249
Comment
CAS-BOT-BC286665
Ericameria bloomeri
John Thomas Howell
1926-7-29
2150
Plumas
On Chester-Westwood road 1/2 miles west of Lassen Co. line
Comment
CAS-BOT-BC28734
Achillea millefolium
J. T. Howell
1961-6-21
36671
Plumas
Greenville
1097
Comment
CAS-BOT-BC28738
Achillea millefolium
John Thomas Howell
1955-7-19
30798
Plumas
Vinton
1505
Comment
CAS-BOT-BC289438
Hordeum murinum subsp. leporinum
John Thomas Howell
1961-6-21
36620
Plumas
Greenville, Sierra Nevada
1097
Comment
CAS-BOT-BC289439
Hordeum murinum subsp. leporinum
John Thomas Howell
1975-7-22
51342
Plumas
Quincy, Sierra Nevada
1036
Comment
CAS-BOT-BC289440
Hordeum murinum subsp. leporinum
John Thomas Howell
1967-6-23
42692
Plumas
Butterfly Valley, Sierra Nevada
1066
Comment
CAS-BOT-BC289618
Cirsium andersonii
John Thomas Howell
1960-7-20
35743
Plumas
Boiling Springs Lake, Lassen Volcanic National Park
1798
Comment
CAS-BOT-BC289619
Cirsium andersonii
John Thomas Howell
1959-9-23
34878
Plumas
Lassen Park boundary on Juniper Lake Road
1981
Comment
CAS-BOT-BC289620
Cirsium andersonii
John Thomas Howell
1960-7-19
35684
Plumas
Drakesbad, Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC289621
Cirsium andersonii
John Thomas Howell
1926-7-24
2104
Plumas
Near Pratville
1463
Comment
CAS-BOT-BC290325
Crepis
John Thomas Howell
1962-6-17
37723
Plumas
Portola
1463
Comment
CAS-BOT-BC290327
Crepis
John Thomas Howell
1962-6-17
37726
Plumas
Portola
1463
Comment
CAS-BOT-BC290328
Crepis
John Thomas Howell
1962-6-17
37725
Plumas
Portola
1463
Comment
CAS-BOT-BC290443
Crepis acuminata
John Thomas Howell
1975-7-22
51360
Plumas
2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC290453
Crepis acuminata
John Thomas Howell
1951-6-28
27641
Plumas
Johnsville
1584
Comment
CAS-BOT-BC290859
Crepis pleurocarpa
John Thomas Howell
1924-8-11
629
Plumas
Two miles east of Chester on road to Westwood
1310
Comment
CAS-BOT-BC292273
Dieteria canescens
John Thomas Howell
1977-8-11
52674
Plumas
Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir
1676
Comment
CAS-BOT-BC293022
Ericameria parryi var. nevadensis
John Thomas Howell
1951-8-20
28210
Plumas
Between Taylorsville and Genesee
1097
Comment
CAS-BOT-BC293024
Ericameria parryi var. nevadensis
John Thomas Howell
1959-9-24
34966
Plumas
Sierra Valley near Beckwourth
1478
Comment
CAS-BOT-BC293025
Ericameria parryi var. nevadensis
John Thomas Howell
1959-9-24
34967
Plumas
Sierra Valley near Beckwourth
1478
Comment
CAS-BOT-BC293027
Ericameria parryi var. nevadensis
John Thomas Howell
1959-9-24
34960
Plumas
Near Blairsden
1341
Comment
CAS-BOT-BC293028
Ericameria parryi var. nevadensis
John Thomas Howell
1961-9-23
36878
Plumas
Cooks Creek road near Englemine [Engel Mine]
1082
Comment
CAS-BOT-BC293030
Ericameria parryi var. nevadensis
John Thomas Howell
1974-9-20
50903
Plumas
About 2 miles from Spring Garden on road to Quincy
1158
Comment
CAS-BOT-BC294288
Ericameria nauseosa var. speciosa
John Thomas Howell
1959-9-25
35021
Plumas
Summit of Beckwourth Pass
1588
Comment
CAS-BOT-BC294290
Ericameria nauseosa var. speciosa
John Thomas Howell
1974-9-20
50902
Plumas
About 2 miles from Spring Garden on road to Quincy
1158
Comment
CAS-BOT-BC294291
Ericameria nauseosa var. speciosa
John Thomas Howell
1974-9-20
50901
Plumas
About 2 miles from Spring Garden on road to Quincy
1158
Comment
CAS-BOT-BC294293
Ericameria nauseosa var. speciosa
John Thomas Howell
1959-9-21
34787
Plumas
Rich Bar
762
Comment
CAS-BOT-BC294296
Ericameria nauseosa var. speciosa
John Thomas Howell
1959-9-21
34810
Plumas
Indian Creek Canyon
914
Comment
CAS-BOT-BC29434
Ageratina occidentalis
J. T. Howell; Gordon H. True
1973-7-31
50075
Plumas
Summit ridge of Thompson Peak, Diamond Range
2362
Comment
CAS-BOT-BC294399
Ericameria parryi var. latior
John Thomas Howell
1924-8-11
631
Plumas
Two miles east of Chester on road to Westwood
1310
Comment
CAS-BOT-BC294471
Erigeron bloomeri var. bloomeri
John Thomas Howell
1962-6-18
37791
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC294962
Erigeron compositus
John Thomas Howell; Gordon H. True
1973-7-31
50078
Plumas
Summit ridge of Thompson Peak, Diamond Range
2362
Comment
CAS-BOT-BC29511
Agoseris
John Thomas Howell
1962-6-18
37735
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC29512
Agoseris
John Thomas Howell
1955-7-20
30854
Plumas
Mohawk
1371
Comment
CAS-BOT-BC295226
Erigeron inornatus
John Thomas Howell
1926-7-24
2106
Plumas
Near Prattville
1310
Comment
CAS-BOT-BC295229
Erigeron inornatus
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1967-7-10
2160
Plumas
Butterfly Botanical Area and vicinity. Confluence of Butterfly Creek
883
Comment
CAS-BOT-BC295422
Erigeron inornatus var. calidipetris
John Thomas Howell
1959-9-24
34958
Plumas
Near Cromberg
1249
Comment
CAS-BOT-BC295484
Erigeron lassenianus var. lassenianus
John Thomas Howell; Gordon H. True
1967-7-11
43278
Plumas
2 miles from Quincy Junction on road to Mt. Hough
1219
Comment
CAS-BOT-BC295485
Erigeron lassenianus var. lassenianus
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1969-6-24
2454
Plumas
Butterfly Botanical Area and vicinity. Butterfly Creek Canyon
990
Comment
CAS-BOT-BC295488
Erigeron lassenianus var. lassenianus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54168
Plumas
3.25 miles west of Round Valley Reservoir dam
1633
Comment
CAS-BOT-BC295999
Erigeron divergens
John Thomas Howell
1959-9-24
34957
Plumas
Near Cromberg, Sierra Nevada
1249
Comment
CAS-BOT-BC296015
Erigeron divergens
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54168
Plumas
3.25 miles west of Round Valley Reservoir Dam, Sierra Nevada
1633
Comment
CAS-BOT-BC296016
Erigeron divergens
John Thomas Howell
1924-8-10
611
Plumas
Crescent Mills
1219
Comment
CAS-BOT-BC29651
Agoseris grandiflora var. grandiflora
John Thomas Howell
1966-7-29
42012
Plumas
Quincy
1036
Comment
CAS-BOT-BC29652
Agoseris grandiflora var. grandiflora
John Thomas Howell
1955-7-19
30773
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC29653
Agoseris grandiflora var. grandiflora
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54118
Plumas
Quincy
1036
Comment
CAS-BOT-BC29839
Adenocaulon bicolor
John Thomas Howell
1926-7-27
2149
Plumas
Near Prattville
1463
Comment
CAS-BOT-BC299443
Ericameria nauseosa var. speciosa
John Thomas Howell
1959-9-24
34975
Plumas
Beckwourth, Sierra Nevada
1493
Comment
CAS-BOT-BC300417
Erigeron eatonii var. sonnei
John Thomas Howell
1962-6-18
37762
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC300418
Erigeron eatonii var. sonnei
John Thomas Howell
1962-6-17
37699
Plumas
Portola
1463
Comment
CAS-BOT-BC303816
Gnaphalium
John Thomas Howell
1976-7-16
51892
Plumas
Spanish Creek at mouth of Wapaunsie Creek
1097
Comment
CAS-BOT-BC304929
Grindelia hirsutula
John Thomas Howell
1959-9-21
34826
Plumas
Greenville
1088
Comment
CAS-BOT-BC305313
Helianthella
John Thomas Howell
1961-6-21
36657
Plumas
Greenville
1097
Comment
CAS-BOT-BC305542
Helianthus bolanderi
John Thomas Howell
1951-8-20
28225
Plumas
Indian Valley
1097
Comment
CAS-BOT-BC306690
Helenium bigelovii
John Thomas Howell
1960-7-18
35532
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC306693
Helenium bigelovii
John Thomas Howell
1951-6-28
27682
Plumas
Jamison Creek
1584
Comment
CAS-BOT-BC307374
Gnaphalium palustre
John Thomas Howell
1962-6-17
37661
Plumas
Butterfly Valley, Sierra Nevada
1036
Comment
CAS-BOT-BC307376
Gnaphalium palustre
John Thomas Howell
1966-7-29
42016
Plumas
Quincy, Sierra Nevada
1036
Comment
CAS-BOT-BC307378
Gnaphalium palustre
John Thomas Howell
1959-9-22
34865
Plumas
Drakesbad
1737
Comment
CAS-BOT-BC307379
Gnaphalium palustre
John Thomas Howell
1961-9-22
36797
Plumas
Wolf Creek, Greenville, Sierra Nevada
1088
Comment
CAS-BOT-BC307380
Gnaphalium palustre
John Thomas Howell
1961-9-23
36876
Plumas
Cooks Creek near Englemine, Sierra Nevada
1082
Comment
CAS-BOT-BC307381
Gnaphalium palustre
John Thomas Howell
1959-9-25
34986
Plumas
Feather River, Portola, Sierra Nevada
1478
Comment
CAS-BOT-BC310387
Eucephalus breweri
John Thomas Howell; Gordon H. True
1967-7-11
43347
Plumas
Summit ridge of Mt. Hough
2194
Comment
CAS-BOT-BC310919
Heterotheca villosa
John Thomas Howell
1959-9-25
35011
Plumas
Sierra Valley near Beckwourth
1493
Comment
CAS-BOT-BC310921
Heterotheca villosa
John Thomas Howell
1977-8-11
52670
Plumas
Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir
1676
Comment
CAS-BOT-BC31152
Carex lemmonii
John Thomas Howell
1959-9-23
s.n.
Plumas
Meadow 3 mi from Juniper Lake on road to Chester.
1889
Comment
CAS-BOT-BC31154
Carex lemmonii
John Thomas Howell
1960-7-18
35513
Plumas
Wet meadow, Drakesbad.
1828
Comment
CAS-BOT-BC31155
Carex lemmonii
John Thomas Howell
1967-6-23
42703
Plumas
butterfly Valley.
1036
Comment
CAS-BOT-BC31156
Carex lemmonii
John Thomas Howell
1962-6-17
37655
Plumas
Butterfly Valley.
1036
Comment
CAS-BOT-BC312292
Heterotheca villosa var. minor
John Thomas Howell
1951-6-27
27632
Plumas
Jamison Creek, Sierra Nevada
1828
Comment
CAS-BOT-BC312322
Hieracium
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1967-7-12
2109
Plumas
Between valley proper and Darlingtonia bog, Butterfly Botanical Area and Vicinity
1066
Comment
CAS-BOT-BC313433
Hemizonella minima
John Thomas Howell
1961-6-21
36616
Plumas
Greenville, Sierra Nevada
1097
Comment
CAS-BOT-BC314803
Helianthella californica var. nevadensis
John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True
1967-6-12
2090
Plumas
Near pond reservoir, Butterfly Botanical Area and Vicinity
1097
Comment
CAS-BOT-BC315014
Hemizonella minima
John Thomas Howell; Gordon H. True
1969-6-23
45826
Plumas
On Middle Fork of Feather River at Nelson Point, Sierra Nevada
1249
Comment
CAS-BOT-BC315015
Hemizonella minima
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1967-6-12
1962
Plumas
Trestle Glen, Butterfly Botanical Area and Vicinity
1112
Comment
CAS-BOT-BC31635
Carex luzulina var. ablata
John Thomas Howell
1951-6-27
27597
Plumas
McRae Meadow.
1981
Comment
CAS-BOT-BC31636
Carex luzulina var. ablata
John Thomas Howell
1960-7-23
35942
Plumas
Drakesbad, Wet meadow near Soda Spring.
1828
Comment
CAS-BOT-BC316894
Packera eurycephala var. lewisrosei
John Thomas Howell
1973-7-9
49701
Plumas
near Rich Bar
762
Comment
CAS-BOT-BC316900
Packera eurycephala var. lewisrosei
John Thomas Howell; Gordon H. True
1967-6-13
42589
Plumas
East branch of North Fork of Feather River, 4 miles from Rich Bar on road to Virgilia
822
Comment
CAS-BOT-BC31694
Carex mariposana
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54343
Plumas
2.8 mi NNE of Englemine on Diamond Mt. Road
1341
Comment
CAS-BOT-BC31944
Carex microptera
John Thomas Howell
1951-6-27
27584
Plumas
McRae Meadow.
1981
Comment
CAS-BOT-BC319618
Hieracium albiflorum
John Thomas Howell
1959-9-26
35042
Plumas
Near Keddie, Sierra Nevada
1005
Comment
CAS-BOT-BC32072
Carex multicaulis
John Thomas Howell
1961-6-21
36641
Plumas
Greenville
1097
Comment
CAS-BOT-BC32226
Carex multicostata
John Thomas Howell
1951-6-27
27593
Plumas
McRae Meadow.
1981
Comment
CAS-BOT-BC322971
Stephanomeria tenuifolia
John Thomas Howell
1951-8-20
28211
Plumas
Between Taylorsville and Genesee, Sierra Nevada
1097
Comment
CAS-BOT-BC324815
Iva axillaris
John Thomas Howell
1951-6-28
27660
Plumas
Johnsville, Sierra Nevada
1584
Comment
CAS-BOT-BC324817
Iva axillaris
John Thomas Howell
1959-9-24
34972
Plumas
Beckwourth, Sierra Nevada
1487
Comment
CAS-BOT-BC324818
Iva axillaris
John Thomas Howell
1959-9-22
34830
Plumas
Wolf Creek
1371
Comment
CAS-BOT-BC327728
Oreostemma elatum
John Thomas Howell
1976-7-15
51868
Plumas
Snake Lake, about 4 miles NW of Quincy
1219
Comment
CAS-BOT-BC328155
Pyrrocoma lucida
John Thomas Howell
1955-7-20
30865
Plumas
Mohawk, Sierra Nevada
1371
Comment
CAS-BOT-BC328157
Pyrrocoma lucida
John Thomas Howell
1961-9-25
36957
Plumas
Portola, Sierra Nevada
1478
Comment
CAS-BOT-BC328158
Pyrrocoma lucida
John Thomas Howell
1959-9-25
35007
Plumas
Sierra Valley near Beckwourth, Sierra Nevada
1493
Comment
CAS-BOT-BC329080
Tetradymia canescens
John Thomas Howell
1959-9-25
35023
Plumas
Summit of Beckwourth Pass
1588
Comment
CAS-BOT-BC330953
Acer glabrum var. glabrum
John Thomas Howell; Gordon H. True
1969-6-23
45802
Plumas
Sierra Nevada. 2.6 mi N of Middle Fork of Feather River at Nelson Point
1310
Comment
CAS-BOT-BC333324
Acer macrophyllum
John Thomas Howell
1963-6-3
39399
Plumas
Sierra Nevada. Butterfly Valley
Comment
CAS-BOT-BC340345
Kyhosia bolanderi
John Thomas Howell
1926-7-31
2172
Plumas
Near Prattville
1463
Comment
CAS-BOT-BC341568
Lagophylla ramosissima
John Thomas Howell
1962-6-17
37677
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC341570
Lagophylla ramosissima
John Thomas Howell
1955-7-19
30745
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC341573
Lagophylla ramosissima
John Thomas Howell
1967-6-23
42697
Plumas
Butterfly Valley
1066
Comment
CAS-BOT-BC34200
Carex canescens
John Thomas Howell
1976-7-15
51841
Plumas
Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy.
1219
Comment
CAS-BOT-BC342867
Madia glomerata
John Thomas Howell
1961-9-23
36840
Plumas
Indian Valley
1082
Comment
CAS-BOT-BC342868
Madia glomerata
John Thomas Howell
1951-8-20
28196
Plumas
Indian Valley
1066
Comment
CAS-BOT-BC342871
Madia glomerata
John Thomas Howell; Gordon H. True
1973-7-31
50140
Plumas
On road from Janesville to Thompson Peak. Diamond Range
1905
Comment
CAS-BOT-BC343268
Madia gracilis
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-12
2107
Plumas
Butterfly Botanical Area and Vicinity. Between valley proper and Darlingtonia bog
1066
Comment
CAS-BOT-BC343271
Madia gracilis
John Thomas Howell
1961-6-21
36601
Plumas
Greenville
1097
Comment
CAS-BOT-BC343272
Madia gracilis
John Thomas Howell
1962-6-17
37660
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC343273
Madia gracilis
John Thomas Howell
1955-7-20
30859
Plumas
Mohawk
1371
Comment
CAS-BOT-BC343275
Madia gracilis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54122
Plumas
Quincy
1036
Comment
CAS-BOT-BC343276
Madia gracilis
John Thomas Howell
1967-6-23
42695
Plumas
Butterfly Valley
1066
Comment
CAS-BOT-BC343279
Madia gracilis
John Thomas Howell
1961-6-21
36601
Plumas
Greenville
1097
Comment
CAS-BOT-BC343284
Madia gracilis
John Thomas Howell; Gordon H. True
1967-7-9
43273
Plumas
Meadow at Quincy
1036
Comment
CAS-BOT-BC343285
Madia gracilis
John Thomas Howell; Gordon H. True
1967-7-11
43284
Plumas
Two miles from Quincy Junction on road to Mt. Hough
1219
Comment
CAS-BOT-BC343286
Madia gracilis
John Thomas Howell; Gordon H. True
1967-7-11
43317
Plumas
About 3 miles southeast of Mt. Hough
1706
Comment
CAS-BOT-BC343287
Madia gracilis
John Thomas Howell; Gordon H. True
1967-7-11
43285
Plumas
2 miles from Quincy Junction on road to Mt. Hough
1219
Comment
CAS-BOT-BC343781
Madia elegans
John Thomas Howell
1959-9-24
34911
Plumas
Crescent Mills
1066
Comment
CAS-BOT-BC343783
Madia elegans
John Thomas Howell
1973-7-10
49727
Plumas
Near Greenville
1097
Comment
CAS-BOT-BC34405
Carex cusickii
John Thomas Howell
1960-7-23
35936
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC34407
Carex cusickii
John Thomas Howell
1967-6-23
42711
Plumas
Sierra Nevada. Butterfly Valley.
1036
Comment
CAS-BOT-BC344472
Madia exigua
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1967-6-12
1985
Plumas
Butterfly Botanical Area and Vicinity. Near barn in valley proper
1036
Comment
CAS-BOT-BC347524
Malacothrix floccifera
John Thomas Howell
1975-6-16
51157
Plumas
2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC347525
Malacothrix floccifera
John Thomas Howell
1962-6-17
37671
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC34904
Carex deflexa var. boottii
John Thomas Howell
1951-6-27
27591 B
Plumas
McRae Meadow.
1981
Comment
CAS-BOT-BC349333
Microseris nutans
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-12
2148
Plumas
Butterfly Botanical Area and Vicinity
1097
Comment
CAS-BOT-BC349335
Microseris nutans
John Thomas Howell; Gordon H. True
1967-7-11
43314
Plumas
About 3 miles southeast of Mt. Hough
1706
Comment
CAS-BOT-BC349336
Microseris nutans
John Thomas Howell
1960-7-21
35807
Plumas
Lassen Volcanic National Park. Near Terminal Geyser
1828
Comment
CAS-BOT-BC35506
Carex jonesii
John Thomas Howell
1960-7-22
35877
Plumas
Drakesbad, Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC35507
Carex jonesii
John Thomas Howell
1960-7-19
35632
Plumas
Drakesbad, Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC35580
Scirpus congdonii
John Thomas Howell
1951-6-27
27602
Plumas
McRae Meadow
1981
Comment
CAS-BOT-BC35586
Scirpus congdonii
John Thomas Howell
1960-7-19
35646
Plumas
Drakesbad, Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC35588
Scirpus congdonii
John Thomas Howell
1962-6-17
37650
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC356382
Pseudognaphalium beneolens
John Thomas Howell
1960-7-20
35756
Plumas
Lassen Volcanic National Park. Boiling Springs Lake
1798
Comment
CAS-BOT-BC361997
Psilocarphus tenellus
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2126
Plumas
Butterfly Botanical Area and Vicinity
1127
Comment
CAS-BOT-BC361998
Psilocarphus tenellus
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-12
2140
Plumas
Butterfly Botanical Area and Vicinity
1097
Comment
CAS-BOT-BC361999
Psilocarphus tenellus
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-6-12
2009
Plumas
Butterfly Botanical Area and Vicinity
1127
Comment
CAS-BOT-BC362267
Pyrrocoma carthamoides var. cusickii
John Thomas Howell
1962-6-17
37716
Plumas
Portola
1463
Comment
CAS-BOT-BC362345
Pyrrocoma racemosa var. paniculata
John Thomas Howell
1959-9-25
35016
Plumas
5 miles east of Beckwourth, Sierra Valley
1493
Comment
CAS-BOT-BC363063
Rigiopappus leptocladus
John Thomas Howell
1962-6-17
37675
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC363064
Rigiopappus leptocladus
John Thomas Howell
1967-6-23
s.n.
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC363796
Senecio integerrimus
John Thomas Howell
1962-6-18
37740
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC363918
Senecio integerrimus var. exaltatus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54238
Plumas
About 3 miles southeast of Mt. Hough on the road to Quincy
1737
Comment
CAS-BOT-BC364394
Senecio triangularis
John Thomas Howell
1960-7-18
35531
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC364396
Senecio triangularis
John Thomas Howell; Gordon H. True
1967-7-11
43365
Plumas
Southeast slope of Mt. Hough
2042
Comment
CAS-BOT-BC365115
Solidago velutina subsp. californica
John Thomas Howell
1924-8-11
620
Plumas
2 miles east of Chester
Comment
CAS-BOT-BC365116
Solidago velutina subsp. californica
John Thomas Howell
1959-9-24
34913
Plumas
Crescent Mills
1066
Comment
CAS-BOT-BC365117
Solidago velutina subsp. californica
John Thomas Howell
1959-9-21
34736
Plumas
Belden
701
Comment
CAS-BOT-BC365118
Solidago velutina subsp. californica
John Thomas Howell
1961-9-22
36816
Plumas
Greenville
1088
Comment
CAS-BOT-BC365515
Solidago elongata
John Thomas Howell; Gordon H. True
1974-7-29
50630
Plumas
Quincy
1036
Comment
CAS-BOT-BC36772
Brassica rapa
John Thomas Howell
1966-7-29
42025
Plumas
Sierra Nevada. Quincy.
1036
Comment
CAS-BOT-BC36773
Brassica rapa
John Thomas Howell; Gordon H. True
1968-6-10
44540
Plumas
Sierra Nevada. Quincy.
1036
Comment
CAS-BOT-BC37133
Capsella bursa-pastoris
John Thomas Howell
1960-7-19
35649
Plumas
Lassen Volcanic National Park. Drakesbad. Near hot springs.
1828
Comment
CAS-BOT-BC375052
Stenotus acaulis
John Thomas Howell; Gordon H. True
1973-7-31
50079
Plumas
Summit ridge of Thompson Peak, Diamond Range
2362
Comment
CAS-BOT-BC375208
Stephanomeria elata
John Thomas Howell
1976-7-14
51822
Plumas
Feather River Canyon Highway at Injun Jim Campground
609
Comment
CAS-BOT-BC375663
Stephanomeria paniculata
John Thomas Howell
1951-8-20
28209
Plumas
Between Taylorsville and Genesee
1097
Comment
CAS-BOT-BC376492
Crepis occidentalis subsp. conjuncta
John Thomas Howell
1951-6-27
27633
Plumas
Jamison Creek
1828
Comment
CAS-BOT-BC376528
Crepis monticola
John Thomas Howell
1962-6-17
37666
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC38121
Cardamine pensylvanica
John Thomas Howell
1962-6-17
37657
Plumas
Sierra Nevada. Butterfly Valley.
1036
Comment
CAS-BOT-BC383540
Wyethia mollis
John Thomas Howell
1962-6-17
37714
Plumas
Portola
1463
Comment
CAS-BOT-BC383541
Wyethia mollis
John Thomas Howell
1961-6-21
36651
Plumas
Greenville
1097
Comment
CAS-BOT-BC383566
Wyethia mollis
John Thomas Howell
1955-7-19
30748
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC38481
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1976-4-2
51570
Plumas
Injun Jim Campground, North Fork Feather River
609
Comment
CAS-BOT-BC38482
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1976-4-2
51571
Plumas
Injun Jim Campground, North Fork Feather River
609
Comment
CAS-BOT-BC38483
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1975-7-22
51358
Plumas
2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC38484
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1975-7-22
51359
Plumas
2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC38486
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1966-7-26
42005
Plumas
Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River.
609
Comment
CAS-BOT-BC38487
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1966-7-26
42005
Plumas
Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River.
609
Comment
CAS-BOT-BC38489
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1975-7-21
51337
Plumas
Injun Jim Campground, Feather River Canyon.
609
Comment
CAS-BOT-BC384936
Cerastium arvense
John Thomas Howell; Gordon H. True
1967-5-9
42211
Plumas
Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon
609
Comment
CAS-BOT-BC385033
Vitis californica
John Thomas Howell; H. Keith Wagnon
1980-5-26
53597
Plumas
Sierra Nevada: North Fork of Feather River between the mouth of East Branch and Caribou
792
Comment
CAS-BOT-BC38614
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1976-4-2
51572
Plumas
Injun Jim Campground, North Fork Feather River
609
Comment
CAS-BOT-BC38615
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1959-9-21
34779
Plumas
N. Fork Feather River near Belden
701
Comment
CAS-BOT-BC38616
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1959-9-21
34777
Plumas
N. Fork Feather River near Belden
701
Comment
CAS-BOT-BC38618
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1975-7-21
51338
Plumas
Injun Jim Campground, Feather River Canyon
609
Comment
CAS-BOT-BC38619
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1975-7-21
51336
Plumas
Injun Jim Campground, Feather River Canyon
609
Comment
CAS-BOT-BC38620
Arctostaphylos mewukka subsp. truei
John Thomas Howell; Gordon H. True
1967-5-7
42182
Plumas
Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River
609
Comment
CAS-BOT-BC386989
Silene douglasii
John Thomas Howell; Gordon H. True
1967-7-11
43353
Plumas
Summit ridge of Mt. Hough
2194
Comment
CAS-BOT-BC386990
Silene douglasii
John Thomas Howell
1951-6-28
27711
Plumas
Eureka Peak
2255
Comment
CAS-BOT-BC389375
Silene lemmonii
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54152
Plumas
3.25 miles west of Round Valley Reservoir dam
1633
Comment
CAS-BOT-BC389377
Silene lemmonii
John Thomas Howell
1961-6-21
36659
Plumas
Greenville
1097
Comment
CAS-BOT-BC389378
Silene lemmonii
John Thomas Howell; Gordon H. True
1967-7-11
43311
Plumas
About 3 miles southeast of Mt. Hough
1706
Comment
CAS-BOT-BC389383
Silene lemmonii
John Thomas Howell
1951-6-27
27558
Plumas
Johnsville
1584
Comment
CAS-BOT-BC390073
Spergularia atrosperma
John Thomas Howell
1962-6-19
37866
Plumas
5.8 mi. east of Beckwourth
1493
Comment
CAS-BOT-BC391185
Stellaria longipes subsp. longipes
John Thomas Howell
1967-6-23
42716
Plumas
Butterfly Valley
1066
Comment
CAS-BOT-BC391187
Stellaria longipes subsp. longipes
John Thomas Howell
1951-6-27
27587
Plumas
McRae Meadow
1981
Comment
CAS-BOT-BC391188
Stellaria longipes subsp. longipes
John Thomas Howell
1976-7-16
51900
Plumas
On flood plain of Spanish Creek at mouth of Wapaunsie Creek
1097
Comment
CAS-BOT-BC391472
Aconitum columbianum subsp. columbianum
John Thomas Howell
1926-7-31
2175
Plumas
Near Prattville
1463
Comment
CAS-BOT-BC391997
Anemone oregana
John Thomas Howell
1963-6-3
39396
Plumas
Butterfly Valley
Comment
CAS-BOT-BC392268
Myosurus apetalus
John Thomas Howell
1962-6-19
37865
Plumas
5.8 miles e. of Beckwourth
1493
Comment
CAS-BOT-BC392416
Thalictrum fendleri
John Thomas Howell
1951-6-27
27622
Plumas
Jamison Creek
1828
Comment
CAS-BOT-BC397725
Stellaria nitens
John Thomas Howell; H. Keith Wagnon
1980-5-26
53585
Plumas
Lewisia Rock, Feather River Canyon 3.5 miles SW of Belden
609
Comment
CAS-BOT-BC397727
Stellaria nitens
John Thomas Howell
1975-6-16
51160
Plumas
2 miles NW of Spring Garden
1173
Comment
CAS-BOT-BC397878
Aquilegia formosa
John Thomas Howell
1951-8-19
28170
Plumas
3 miles east of Rich Bar
853
Comment
CAS-BOT-BC397892
Aquilegia formosa
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54146
Plumas
2.65 miles west of Round Valley Reservoir dam
1569
Comment
CAS-BOT-BC40006
Arctostaphylos nevadensis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54402
Plumas
Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville
1554
Comment
CAS-BOT-BC40007
Arctostaphylos nevadensis
John Thomas Howell
1926-7-27
2146
Plumas
Near Prattville
1676
Comment
CAS-BOT-BC40008
Arctostaphylos nevadensis
John Thomas Howell; Gordon H. True
1967-7-11
43345
Plumas
Summit ridge of Mt. Hough
2194
Comment
CAS-BOT-BC400944
Hypericum anagalloides
John Thomas Howell
1960-7-18
35518
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC400945
Hypericum anagalloides
John Thomas Howell
1961-9-22
36799
Plumas
Wolf Creek, Greenville
1088
Comment
CAS-BOT-BC403352
Eschscholzia californica
John Thomas Howell
1959-9-24
34918
Plumas
Crescent Mills
1066
Comment
CAS-BOT-BC407729
Arceuthobium abietinum
John Thomas Howell
1960-7-21
35820
Plumas
near Terminal Geyser
1798
Comment
CAS-BOT-BC409920
Arceuthobium campylopodum
John Thomas Howell
1960-7-19
35669
Plumas
Lassen Volcanic National Park, Drakesbad
1828
Comment
CAS-BOT-BC412895
Aconogonon davisiae
John Thomas Howell
1951-6-28
27692
Plumas
Eureka Peak
2133
Comment
CAS-BOT-BC413560
Persicaria amphibia
John Thomas Howell
1961-9-25
36940
Plumas
Feather River bed, Portola
1478
Comment
CAS-BOT-BC413561
Persicaria amphibia
John Thomas Howell
1926-7-30
2160
Plumas
Prattville
1371
Comment
CAS-BOT-BC413563
Persicaria amphibia
John Thomas Howell
1973-7-9
49726
Plumas
At outlet of Round Valley Reservoir
1371
Comment
CAS-BOT-BC41399
Draba verna
John Thomas Howell; Gordon H. True
1967-5-7
42189
Plumas
Sierra Nevada. Quincy.
1036
Comment
CAS-BOT-BC414554
Polygonum douglasii
John Thomas Howell
1951-8-19
28193
Plumas
Greenville
1097
Comment
CAS-BOT-BC414564
Polygonum douglasii
John Thomas Howell; Gordon H. True
1973-7-31
50132
Plumas
On road from Janesville to Thompson Peak, Diamond Range
1981
Comment
CAS-BOT-BC414565
Polygonum douglasii
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2125
Plumas
Butterfly Botanical Area and Vicinity. At spring
1127
Comment
CAS-BOT-BC419042
Persicaria lapathifolia
John Thomas Howell
1976-7-15
51833
Plumas
Quincy
1051
Comment
CAS-BOT-BC419836
Polygonum parryi
John Thomas Howell; Gordon H. True
1967-7-11
43290
Plumas
2.5 miles from Quincy Junction on road to Mt. Hough
1249
Comment
CAS-BOT-BC419884
Polygonum polygaloides subsp. confertiflorum
John Thomas Howell
1962-6-18
37806
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC419885
Polygonum polygaloides subsp. confertiflorum
John Thomas Howell
1973-7-10
49734
Plumas
Near Greenville
1097
Comment
CAS-BOT-BC419887
Polygonum polygaloides subsp. confertiflorum
John Thomas Howell
1955-7-20
30869
Plumas
Mohawk
1371
Comment
CAS-BOT-BC419888
Polygonum polygaloides subsp. confertiflorum
John Thomas Howell
1962-6-18
37807
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC420058
Polygonum polygaloides subsp. kelloggii
John Thomas Howell
1962-6-18
37805
Plumas
Sierra Valley, near Beckwourth
1487
Comment
CAS-BOT-BC420209
Polygonum sawatchense subsp. sawatchense
John Thomas Howell; Gordon H. True
1967-7-11
43309
Plumas
About 3 miles southeast of Mt. Hough
1706
Comment
CAS-BOT-BC420210
Polygonum sawatchense subsp. sawatchense
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54258
Plumas
About 2.5 miles southeast of Mt. Hough on the road to Quincy
1798
Comment
CAS-BOT-BC42091
Arctostaphylos patula
John Thomas Howell
1976-7-20
52035
Plumas
At south end of Lake Almanor
1371
Comment
CAS-BOT-BC42094
Arctostaphylos patula
John Thomas Howell; Gordon H. True
1967-5-8
42192
Plumas
Near the spring in the Butterfly Botanical Area
1097
Comment
CAS-BOT-BC42095
Arctostaphylos patula
John Thomas Howell; Gordon H. True
1967-5-8
42193
Plumas
Near the spring in the Butterfly Botanical Area
1097
Comment
CAS-BOT-BC42096
Arctostaphylos patula
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1968-6-11
2414
Plumas
Butterfly Botanical Area, Trestle Glen
1097
Comment
CAS-BOT-BC421036
Polygonum spergulariiforme
John Thomas Howell
1955-7-19
30805
Plumas
Vinton
1505
Comment
CAS-BOT-BC42108
Arctostaphylos patula
John Thomas Howell
1960-7-20
35779
Plumas
Between Boiling Springs Lake and Terminal Geyser
1859
Comment
CAS-BOT-BC42111
Arctostaphylos patula
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2167
Plumas
Mouth of Butterfly Creek
883
Comment
CAS-BOT-BC422164
Rumex californicus
John Thomas Howell
1966-7-29
42017
Plumas
Quincy
1036
Comment
CAS-BOT-BC422165
Rumex californicus
John Thomas Howell
1959-9-21
34813
Plumas
Indian Creek Canyon
914
Comment
CAS-BOT-BC422168
Rumex californicus
John Thomas Howell
1976-7-16
51908
Plumas
On flood plain of Spanish Creek at mouth of Wapaunsie Creek.
1097
Comment
CAS-BOT-BC424164
Heuchera micrantha var. erubescens
John Thomas Howell
1976-7-16
51883
Plumas
Spanish Creek near mouth of Slate Creek
1066
Comment
CAS-BOT-BC424165
Heuchera micrantha var. erubescens
John Thomas Howell; Gordon H. True
1967-5-9
42206
Plumas
Lewisia Rock, 3.5 miles SW of Belden, Feather River Canyon
609
Comment
CAS-BOT-BC424167
Heuchera micrantha var. erubescens
John Thomas Howell
1951-6-28
27666
Plumas
Jamison Creek
1584
Comment
CAS-BOT-BC425154
Heuchera rubescens
John Thomas Howell; Gordon H. True
1967-7-11
43352
Plumas
Summit ridge of Mt. Hough
2194
Comment
CAS-BOT-BC428429
Lithophragma tenellum
John Thomas Howell
1951-6-27
s.n.
Plumas
Jamison Creek
1828
Comment
CAS-BOT-BC428430
Lithophragma tenellum
John Thomas Howell
1951-6-28
27691
Plumas
Eureka Peak
2133
Comment
CAS-BOT-BC428539
Micranthes aprica
John Thomas Howell
1951-6-28
27688
Plumas
Eureka Peak
2133
Comment
CAS-BOT-BC428883
Micranthes californica
John Thomas Howell; H. Keith Wagnon
1980-5-26
53586
Plumas
Lewisia Rock, Feather River Canyon, 3.5 miles southwest of Belden.
609
Comment
CAS-BOT-BC43034
Descurainia incisa subsp. incisa
John Thomas Howell
1962-6-18
37793
Plumas
Sierra Nevada. Sierra Valley near Beckwourth.
1487
Comment
CAS-BOT-BC43083
Descurainia longipedicellata
John Thomas Howell
1962-6-18
37813
Plumas
Sierra Nevada. Sierra Valley 5 miles south of Beckwourth.
1493
Comment
CAS-BOT-BC43111
Descurainia pinnata subsp. brachycarpa
John Thomas Howell
1977-6-20
52370
Plumas
Sierra Nevada. On the peninsula of Lake Almanor.
1371
Comment
CAS-BOT-BC433057
Mitella pentandra
John Thomas Howell
1960-7-23
35966
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC433734
Rumex occidentalis
John Thomas Howell
1960-7-19
35623
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC434081
Rumex transitorius
John Thomas Howell
1961-9-25
36933
Plumas
Feather River bed, Portola
1478
Comment
CAS-BOT-BC434305
Rumex triangulivalvis
John Thomas Howell
1951-6-27
27559
Plumas
Johnsville
1584
Comment
CAS-BOT-BC434307
Rumex triangulivalvis
John Thomas Howell
1960-7-22
35891
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC434308
Rumex triangulivalvis
John Thomas Howell
1959-9-22
34853
Plumas
Drakesbad
1737
Comment
CAS-BOT-BC434309
Rumex triangulivalvis
John Thomas Howell
1960-7-19
35616
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC434312
Rumex triangulivalvis
John Thomas Howell; Gordon H. True
1967-7-9
43268
Plumas
At Quincy
1036
Comment
CAS-BOT-BC43502
Descurainia sophia
John Thomas Howell; Gordon H. True
1968-6-10
44555
Plumas
Sierra Nevada. Quincy.
1036
Comment
CAS-BOT-BC43503
Descurainia sophia
John Thomas Howell
1955-7-19
30787
Plumas
Sierra Nevada. Vinton.
1505
Comment
CAS-BOT-BC436674
Luzula comosa var. laxa
John Thomas Howell
1960-7-20
35739
Plumas
Lassen Volcanic National Park: Boiling Springs Lake to Drakesbad
1828
Comment
CAS-BOT-BC438482
Calandrinia ciliata
John Thomas Howell
1962-6-18
37765
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC438483
Calandrinia ciliata
John Thomas Howell
1951-6-28
27668
Plumas
Jamison Creek
1584
Comment
CAS-BOT-BC439877
Claytonia perfoliata
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-6-12
2075
Plumas
Butterfly Botanical Area and Vicinity
1127
Comment
CAS-BOT-BC443638
Claytonia perfoliata subsp. perfoliata
John Thomas Howell
1961-6-21
36668
Plumas
Greenville
1097
Comment
CAS-BOT-BC443645
Claytonia perfoliata subsp. perfoliata
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54251
Plumas
About 3 miles southeast of Mt. Hough on the road to Quincy
1737
Comment
CAS-BOT-BC444177
Lewisia nevadensis
John Thomas Howell
1960-7-22
35921
Plumas
Lassen Volcanic National Park. Devil's Kitchen to Drakesbad
1828
Comment
CAS-BOT-BC444561
Lewisia triphylla
John Thomas Howell
1960-7-21
35815
Plumas
Lassen Volcanic National Park. Near Terminal Geyser
1828
Comment
CAS-BOT-BC444562
Lewisia triphylla
John Thomas Howell
1960-7-22
35897
Plumas
Lassen Volcanic National Park. Devil's Kitchen to Drakesbad
1828
Comment
CAS-BOT-BC444743
Montia chamissoi
John Thomas Howell
1960-7-18
35542
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC444859
Montia fontana
John Thomas Howell
1960-7-21
35864
Plumas
Lassen Volcanic National Park. On trail to Little Willow Lake
1767
Comment
CAS-BOT-BC444860
Montia fontana
John Thomas Howell
1960-7-18
35522
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC445090
Montia linearis
John Thomas Howell
1963-6-3
39391
Plumas
Butterfly Valley
Comment
CAS-BOT-BC445189
Montia parvifolia
John Thomas Howell
1967-6-23
42729
Plumas
Lewisia Rock 3.5 miles southwest of Belden, Feather River Canyon.
609
Comment
CAS-BOT-BC445677
Sagittaria cuneata
John Thomas Howell
1966-7-29
42009
Plumas
Quincy.
1036
Comment
CAS-BOT-BC451589
Lilaea scilloides
John Thomas Howell
1963-6-4
39406
Plumas
Marble Hot Springs, Sierra Valley
Comment
CAS-BOT-BC451739
Claytonia lanceolata
John Thomas Howell
1951-6-28
27685
Plumas
Eureka Peak
2133
Comment
CAS-BOT-BC459652
Holodiscus
John Thomas Howell
1977-8-11
52683
Plumas
Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir
Comment
CAS-BOT-BC47069
Arctostaphylos viscida subsp. viscida
John Thomas Howell; Gordon True
1967-7-11
43286
Plumas
2 mi. from Quincy Junction on road to Mt. Hough.
1219
Comment
CAS-BOT-BC47070
Arctostaphylos viscida subsp. viscida
John Thomas Howell; Gordon True
1967-5-8
42190
Plumas
Near the spring in the Butterfly Botanical Area.
1097
Comment
CAS-BOT-BC47071
Arctostaphylos viscida subsp. viscida
John Thomas Howell; Gordon True
1967-5-8
42201
Plumas
Butterfly Valley.
1036
Comment
CAS-BOT-BC47072
Arctostaphylos viscida subsp. viscida
John Thomas Howell
1976-4-2
51577
Plumas
2 mi. nw. of Spring Garden.
1173
Comment
CAS-BOT-BC47073
Arctostaphylos viscida subsp. viscida
John Thomas Howell
1976-4-2
51578
Plumas
2 mi. nw. of Spring Garden.
1173
Comment
CAS-BOT-BC47074
Arctostaphylos viscida subsp. viscida
John Thomas Howell
1959-9-21
34776
Plumas
N. fork Feather River near Belden.
701
Comment
CAS-BOT-BC47969
Ceanothus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54375
Plumas
Sierra Nevada - 0.75 miles northeast of Buck's Summiet on road to Quincy
1600
Comment
CAS-BOT-BC47970
Ceanothus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54361
Plumas
Sierra Nevada - Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Reservoir
1600
Comment
CAS-BOT-BC47971
Ceanothus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54296
Plumas
Sierra Nevada - East side of Indian Valley just north of Taylorsville
1112
Comment
CAS-BOT-BC48609
Ceanothus cordulatus
John Thomas Howell; Gordon H. True
1969-6-23
45814
Plumas
Open meadow 2 miles north of Nelson Point on road to Quincy
1310
Comment
CAS-BOT-BC48610
Ceanothus cordulatus
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-6-12
2099
Plumas
Road near pond
1097
Comment
CAS-BOT-BC48612
Ceanothus cordulatus
John Thomas Howell; Gordon H. True
1967-7-11
43315
Plumas
Coniferous forest about 3 miles southeast of Mt. Hough
1706
Comment
CAS-BOT-BC48613
Ceanothus cordulatus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54273
Plumas
Rocky summit ridge, Mt. Hough
2203
Comment
CAS-BOT-BC48617
Ceanothus cordulatus
John Thomas Howell
1924-8-9
603
Plumas
Two miles east of Chester on Road to Westwood
1310
Comment
CAS-BOT-BC49180
Ceanothus cuneatus
John Thomas Howell
1959-9-21
34775
Plumas
N. Fk. Feather River near Belden
701
Comment
CAS-BOT-BC49181
Ceanothus cuneatus
John Thomas Howell
1951-6-26
27549
Plumas
Feather River Canyon
853
Comment
CAS-BOT-BC50734
Ceanothus integerrimus
John Thomas Howell
1975-7-22
51376
Plumas
Sierra Nevada - 2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC50735
Ceanothus integerrimus
John Thomas Howell
1976-7-16
51877
Plumas
Sierra Nevada - Spanish Creek near mouth of Slate Creek
1066
Comment
CAS-BOT-BC52059
Ceanothus prostratus
John Thomas Howell; Gordon H. True
1973-7-31
50123
Plumas
on road from Janesville to Thompson Peak, Diamond Range
1981
Comment
CAS-BOT-BC52060
Ceanothus prostratus
John Thomas Howell; Gordon H. True
1967-7-11
43320
Plumas
about 3 miles Southeast of Mt. Hough
1706
Comment
CAS-BOT-BC52165
Ceanothus pumilus
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1969-6-24
2463
Plumas
Across road from Overnight Camp
1097
Comment
CAS-BOT-BC54687
Erysimum capitatum var. capitatum
John Thomas Howell
1976-7-16
51882
Plumas
Sierra Nevada. Spanish Creek near mouth of Slate Creek.
1066
Comment
CAS-BOT-BC55285
Hesperis matronalis
John Thomas Howell
1963-6-3
39387
Plumas
Sierra Nevada. Quincy.
1036
Comment
CAS-BOT-BC55288
Hesperis matronalis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54124
Plumas
Sierra Nevada. Quincy. On bank of Spanish Creek.
1036
Comment
CAS-BOT-BC55679
Frangula purshiana
John Thomas Howell
1951-6-27
27617
Plumas
Jamison Creek
1828
Comment
CAS-BOT-BC55684
Frangula purshiana
John Thomas Howell
1963-6-3
39395
Plumas
Butterfly Valley
Comment
CAS-BOT-BC55686
Frangula purshiana
John Thomas Howell
1959-9-21
34741
Plumas
Belden
701
Comment
CAS-BOT-BC55687
Frangula purshiana
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2185
Plumas
Mouth of Butterfly Creek
883
Comment
CAS-BOT-BC55824
Rhamnus
John Thomas Howell
1977-6-21
52395
Plumas
Vista Point near Lake Almanor Dam
1432
Comment
CAS-BOT-BC56990
Equisetum arvense
John Thomas Howell
1959-9-22
34855
Plumas
Drakesbad
1737
Comment
CAS-BOT-BC56991
Equisetum arvense
John Thomas Howell
1960-7-19
35661
Plumas
Drakesbad
1828
Comment
CAS-BOT-BC56992
Equisetum arvense
John Thomas Howell
1962-6-17
37658
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC56997
Equisetum arvense
John Thomas Howell
1961-6-21
36631
Plumas
Greenville
1097
Comment
CAS-BOT-BC57005
Equisetum arvense
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2171
Plumas
Mouth of Butterfly Creek
883
Comment
CAS-BOT-BC57007
Equisetum arvense
John Thomas Howell
1977-6-21
52385
Plumas
Seneca
1097
Comment
CAS-BOT-BC57396
Equisetum laevigatum
John Thomas Howell
1962-6-18
37734
Plumas
Near Beckwourth, Sierra Valley
1487
Comment
CAS-BOT-BC57397
Equisetum laevigatum
John Thomas Howell
1959-9-25
35003
Plumas
2 miles east of Portola
1484
Comment
CAS-BOT-BC57403
Equisetum laevigatum
John Thomas Howell
1955-7-18
30727
Plumas
Mohawk
1371
Comment
CAS-BOT-BC57830
Equisetum hyemale subsp. affine
John Thomas Howell
1959-9-24
34919
Plumas
Indian Creek Canyon near Indian Falls.
1036
Comment
CAS-BOT-BC59123
Sedum spathulifolium subsp. purdyi
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54329
Plumas
2.8 miles NNE of Englemine on Diamond Mt. Road
1341
Comment
CAS-BOT-BC59178
Antennaria dimorpha
John Thomas Howell
1962-6-17
37707
Plumas
Portola
1463
Comment
CAS-BOT-BC59310
Antennaria argentea
John Thomas Howell; Gordon H. True
1967-7-11
43319
Plumas
About 3 miles southeast of Mt. Hough
1706
Comment
CAS-BOT-BC59318
Antennaria argentea
John Thomas Howell
1975-6-16
51140
Plumas
2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC59563
Rhamnus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54298
Plumas
Sierra Nevada - East side of Indian Valley just north of Tylorsville
1112
Comment
CAS-BOT-BC59567
Rhamnus
John Thomas Howell
1977-8-11
52681
Plumas
Sierra Nevada - Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir
1676
Comment
CAS-BOT-BC59569
Rhamnus
John Thomas Howell
1976-7-20
52038
Plumas
Sierra Nevada - south end of Lake Almanor
1371
Comment
CAS-BOT-BC59571
Rhamnus alnifolia
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54408
Plumas
Sierra Nevada - Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville
1524
Comment
CAS-BOT-BC59572
Rhamnus alnifolia
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54408
Plumas
Sierra Nevada - Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville
1524
Comment
CAS-BOT-BC59577
Frangula rubra subsp. rubra
John Thomas Howell; Gordon True
1967-5-9
42223
Plumas
Sierra Nevada - Feather River Canyon near mouth of Chambers Creek
609
Comment
CAS-BOT-BC59578
Frangula rubra subsp. rubra
John Thomas Howell; Gordon True
1969-6-23
45819
Plumas
Sierra Nevada - Middle Fork of Feather River at Nelson Point
1249
Comment
CAS-BOT-BC59579
Frangula rubra subsp. rubra
John Thomas Howell
1975-7-21
51340
Plumas
Sierra Nevada - Injun Jim Campground, Feather River Canyon
609
Comment
CAS-BOT-BC59580
Frangula rubra subsp. rubra
John Thomas Howell
1975-6-16
51134
Plumas
Sierra Nevada - 2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC59581
Frangula rubra subsp. rubra
John Thomas Howell
1975-6-16
51133
Plumas
Sierra Nevada - 2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC59582
Frangula rubra subsp. rubra
John Thomas Howell
1973-7-9
49716
Plumas
Sierra Nevada - Round Valley
1371
Comment
CAS-BOT-BC59583
Frangula rubra subsp. rubra
John Thomas Howell
1973-7-10
49731
Plumas
Sierra Nevada - near Greenville
1097
Comment
CAS-BOT-BC59607
Leucothoe davisiae
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2156
Plumas
Beargrass Glade. Butterfly Botanical Area and Vicinity.
1127
Comment
CAS-BOT-BC60091
Lepidium virginicum var. menziesii
John Thomas Howell
1955-7-19
30788
Plumas
Sierra Nevada. Vinton.
1505
Comment
CAS-BOT-BC60092
Lepidium virginicum var. menziesii
John Thomas Howell
1966-7-29
42024
Plumas
Sierra Nevada. Quincy.
1036
Comment
CAS-BOT-BC60093
Lepidium virginicum var. menziesii
John Thomas Howell
1966-7-29
42024
Plumas
Sierra Nevada. Quincy.
1036
Comment
CAS-BOT-BC60676
Phoenicaulis cheiranthoides
John Thomas Howell
1962-6-18
37810
Plumas
Sierra Nevada. Sierra Valley 5 miles south of Beckwourth.
1493
Comment
CAS-BOT-BC61863
Isoetes nuttallii
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1967-7-12
2145
Plumas
Pond reservoir
1097
Comment
CAS-BOT-BC62193
Selaginella wallacei
John Thomas Howell
1967-6-22
42662
Plumas
near mouth of Chambers Creek, Canyon of the Feather River North Fork
Comment
CAS-BOT-BC63184
Ceanothus velutinus var. velutinus
John Thomas Howell
1960-7-20
35782
Plumas
Between Borling Springs Lake and Terminal Geyser.
1859
Comment
CAS-BOT-BC63364
Ceanothus prostratus
John Thomas Howell
1926-7-20
2083
Plumas
Near Prattville.
1463
Comment
CAS-BOT-BC63848
Sedum spathulifolium
John Thomas Howell
1967-6-23
42728
Plumas
Lewisia Rock, 3/5 miles southwest of Belden, Feather River Canyon.
609
Comment
CAS-BOT-BC64786
Antennaria luzuloides subsp. aberrans
John Thomas Howell
1962-6-18
37789
Plumas
Sierra Valley near Beckworth
1487
Comment
CAS-BOT-BC6508
Poa sierrae
John Thomas Howell; Gordon H. True
1967-5-9
42204
Plumas
Feather River Canyon, 3.5 mi SW of Belden, Lewisia Rock
609
Comment
CAS-BOT-BC6511
Poa sierrae
John Thomas Howell; Gordon H. True
1967-5-9
42204
Plumas
Feather River Canyon, 3.5 mi SW of Belden, Lewisia Rock
609
Comment
CAS-BOT-BC65507
Adiantum aleuticum
John Thomas Howell
1962-6-16
37645
Plumas
Feather River, North Fork on road to Caribou
731
Comment
CAS-BOT-BC66091
Athyrium filix-femina var. cyclosorum
John Thomas Howell
1960-7-22
35924
Plumas
near Devil's Kitchen near Drakesbad
1828
Comment
CAS-BOT-BC66093
Athyrium filix-femina var. cyclosorum
John Thomas Howell
1926-7-27
2144
Plumas
Near Prattville
1463
Comment
CAS-BOT-BC66094
Athyrium filix-femina var. cyclosorum
John Thomas Howell
1951-6-27
27611
Plumas
Jamison Creek
1950
Comment
CAS-BOT-BC66243
Azolla mexicana
John Thomas Howell
1961-9-23
36859
Plumas
Indian Valley
1082
Comment
CAS-BOT-BC66351
Cheilanthes covillei
John Thomas Howell
1967-6-22
42659
Plumas
near mouth of Chambers Creek, Canyon of the Feather River North Fork
609
Comment
CAS-BOT-BC70203
Cheilanthes gracillima
John Thomas Howell
1926-7-27
2145
Plumas
Near Prattville
1676
Comment
CAS-BOT-BC70669
Cystopteris fragilis
John Thomas Howell; Gordon H. True
1967-5-9
42210
Plumas
Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon
609
Comment
CAS-BOT-BC70670
Cystopteris fragilis
John Thomas Howell; Gordon H. True
1969-6-23
45831
Plumas
Middle Fork of Feather River at Nelson Point
1249
Comment
CAS-BOT-BC70671
Cystopteris fragilis
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1967-7-10
2214
Plumas
Mouth of Butterfly Creek
883
Comment
CAS-BOT-BC70672
Cystopteris fragilis
John Thomas Howell
1967-6-23
42671
Plumas
Canyon of Butterfly Creek
1036
Comment
CAS-BOT-BC70677
Cystopteris fragilis
John Thomas Howell
1951-6-27
27635
Plumas
Jamison Creek
1828
Comment
CAS-BOT-BC71084
Marsilea vestita
John Thomas Howell
1926-7-30
2159
Plumas
Prattville
1371
Comment
CAS-BOT-BC71086
Marsilea vestita
John Thomas Howell
1926-7-30
2159
Plumas
Lake Almanor
Comment
CAS-BOT-BC71239
Pellaea bridgesii
John Thomas Howell
1951-6-28
27694
Plumas
Eureka Peak
2133
Comment
CAS-BOT-BC72042
Polypodium calirhiza
John Thomas Howell
1967-6-23
42732
Plumas
Lewisia Rock 3.5 miles SW. of Belden, Feather River Canyon
609
Comment
CAS-BOT-BC72271
Polystichum imbricans subsp. curtum
John Thomas Howell
1959-9-21
34743
Plumas
Belden
701
Comment
CAS-BOT-BC72355
Polystichum imbricans subsp. imbricans
John Thomas Howell
1966-7-26
42004
Plumas
Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River
609
Comment
CAS-BOT-BC72356
Polystichum imbricans subsp. imbricans
John Thomas Howell
1960-7-20
35748
Plumas
Boiling Springs Lake
1798
Comment
CAS-BOT-BC72608
Pteridium aquilinum
John Thomas Howell
1960-7-20
35744
Plumas
Boiling Springs Lake
1798
Comment
CAS-BOT-BC72612
Pteridium aquilinum
John Thomas Howell; Gordon H. True
1969-6-23
45808
Plumas
2.6 mi. n. of Middle Fork of Feather River at Nelson Point
1310
Comment
CAS-BOT-BC74009
Turritis glabra
John Thomas Howell
1960-7-20
35729
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC74626
Rorippa curvisiliqua
John Thomas Howell
1959-9-25
34996
Plumas
Sierra Nevada. Beach of Feather River. Portola.
1478
Comment
CAS-BOT-BC74627
Rorippa curvisiliqua
John Thomas Howell
1960-7-19
35617
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC75115
Sisymbrium altissimum
John Thomas Howell
1955-7-19
30765
Plumas
Sierra Nevada. Beckwourth.
1493
Comment
CAS-BOT-BC75117
Sisymbrium altissimum
John Thomas Howell
1959-9-24
34917
Plumas
Sierra Nevada. Crescent Mills.
1066
Comment
CAS-BOT-BC75118
Sisymbrium altissimum
John Thomas Howell
1961-6-21
36677
Plumas
Sierra Nevada. Greenville.
1097
Comment
CAS-BOT-BC7552
Carex infirminervia
John Thomas Howell
1951-6-27
27589
Plumas
McRae Meadow
1981
Comment
CAS-BOT-BC7742
Carex integra
John Thomas Howell
1951-6-27
27591 A
Plumas
McRae Meadow.
1981
Comment
CAS-BOT-BC7743
Carex integra
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54167
Plumas
3.25 miles west of Round Valley Reservoir dam.
1633
Comment
CAS-BOT-BC77732
Thelypteris nevadensis
John Thomas Howell
1963-6-3
39393
Plumas
Butterfly Valley
Comment
CAS-BOT-BC77750
Woodsia scopulina
John Thomas Howell
1977-8-11
52686
Plumas
Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir
1676
Comment
CAS-BOT-BC77979
Abies concolor
John Thomas Howell; Gordon H. True
1973-7-31
50066
Plumas
summit ridge of Thompson Peak, Diamond Range
2362
Comment
CAS-BOT-BC78092
Abies magnifica
John Thomas Howell; Gordon H. True
1967-7-11
43329
Plumas
Summit ridge of Mt. Hough
2194
Comment
CAS-BOT-BC78469
Pinus contorta subsp. murrayana
John Thomas Howell
1960-7-18
35502
Plumas
Drakesbad
1828
Comment
CAS-BOT-BC7850
Carex infirminervia
John Thomas Howell
1960-7-20
35759
Plumas
Boiling Springs Lake.
1798
Comment
CAS-BOT-BC78690
Pinus jeffreyi
John Thomas Howell
1962-6-17
37691
Plumas
Portola
1463
Comment
CAS-BOT-BC78721
Pinus jeffreyi
John Thomas Howell
1960-7-18
35503
Plumas
Drakesbad
1828
Comment
CAS-BOT-BC78945
Pinus monticola
John Thomas Howell
1960-7-20
35777
Plumas
Between Boiling Springs Lake and Terminal Geyser
1859
Comment
CAS-BOT-BC79969
Antennaria microphylla
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54275
Plumas
Mt. Hough
2203
Comment
CAS-BOT-BC82219
Arnica chamissonis
John Thomas Howell
1926-7-30
2157
Plumas
Prattville
1371
Comment
CAS-BOT-BC82497
Arnica discoidea
John Thomas Howell; Gordon H. True
1969-6-23
45825
Plumas
Middle Fork of the Feather River at Nelson Point
1249
Comment
CAS-BOT-BC82498
Arnica discoidea
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1967-7-10
2154
Plumas
Beargrass Glade
1127
Comment
CAS-BOT-BC84648
Anthemis cotula
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-20
2237
Plumas
Butterfly Botanical Area and Vicinity, near barn in valley proper
1036
Comment
CAS-BOT-BC87780
Streptanthus tortuosus
John Thomas Howell
1951-6-26
27543
Plumas
Sierra Nevada. Feather River Canyon.
853
Comment
CAS-BOT-BC87781
Streptanthus tortuosus
John Thomas Howell
1951-6-27
27638
Plumas
Sierra Nevada. Jamison Creek.
1828
Comment
CAS-BOT-BC87782
Streptanthus tortuosus
John Thomas Howell
1966-7-26
41998
Plumas
Sierra Nevada. Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River.
609
Comment
CAS-BOT-BC87783
Streptanthus tortuosus
John Thomas Howell
1966-7-26
41998
Plumas
Sierra Nevada. Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River.
609
Comment
CAS-BOT-BC87787
Streptanthus tortuosus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54404
Plumas
Sierra Nevada. Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville.
1554
Comment
CAS-BOT-BC88050
Thelypodium crispum
John Thomas Howell
1955-7-19
30797
Plumas
Sierra Nevada. Vinton.
1505
Comment
CAS-BOT-BC88639
Idahoa scapigera
John Thomas Howell
1975-6-16
51162
Plumas
Sierra Nevada. 2 miles northwest of Spring Garden.
1173
Comment
CAS-BOT-BC88837
Lepidium campestre
John Thomas Howell
1955-7-18
30726
Plumas
Sierra Nevada. Mohawk.
1371
Comment
CAS-BOT-BC88839
Lepidium campestre
John Thomas Howell
1976-7-16
51901
Plumas
Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek.
1097
Comment
CAS-BOT-BC88840
Lepidium campestre
John Thomas Howell
1976-7-16
51901
Plumas
Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek.
1097
Comment
CAS-BOT-BC8919
Delphinium depauperatum
John Thomas Howell; Gordon H. True
1967-7-11
43326
Plumas
about 3 miles southeast of Mt. Hough
1706
Comment
CAS-BOT-BC89494
Lepidium heterophyllum
John Thomas Howell; Gordon H. True
1973-7-31
50082
Plumas
Sierra Nevada. Summit ridge of Thompson Peak. Diamond Range.
2362
Comment
CAS-BOT-BC90404
Artemisia douglasiana
John Thomas Howell
1960-8-20
36284
Plumas
Kelly Camp, near Drakesbad
1615
Comment
CAS-BOT-BC90405
Artemisia douglasiana
John Thomas Howell
1961-9-22
36802
Plumas
Greenville
1088
Comment
CAS-BOT-BC90406
Artemisia douglasiana
John Thomas Howell
1959-9-21
34772
Plumas
N. Fk. Feather River near Belden
701
Comment
CAS-BOT-BC90411
Artemisia douglasiana
John Thomas Howell
1961-9-23
36865
Plumas
Indian Valley
1082
Comment
CAS-BOT-BC90412
Artemisia douglasiana
John Thomas Howell
1959-9-21
34772
Plumas
N. Fk. Feather River near Belden
701
Comment
CAS-BOT-BC90413
Artemisia douglasiana
John Thomas Howell
1977-8-11
52677
Plumas
Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir
1676
Comment
CAS-BOT-BC90569
Artemisia dracunculus
John Thomas Howell
1961-9-23
36866
Plumas
Indian Valley
1082
Comment
CAS-BOT-BC90570
Artemisia dracunculus
John Thomas Howell
1959-9-25
35000
Plumas
2 miles east of Portola
1484
Comment
CAS-BOT-BC90571
Artemisia dracunculus
John Thomas Howell
1977-8-11
52668
Plumas
Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir
1676
Comment
CAS-BOT-BC90781
Artemisia ludoviciana subsp. ludoviciana
John Thomas Howell
1961-9-23
36864
Plumas
Indian Valley
1082
Comment
CAS-BOT-BC90782
Artemisia ludoviciana subsp. ludoviciana
John Thomas Howell
1961-9-23
36838
Plumas
Indian Valley
1082
Comment
CAS-BOT-BC90807
Artemisia michauxiana
John Thomas Howell; Gordon H. True
1973-7-31
50128
Plumas
on road from Janesville to Thompson Peak, Diamond Range
1981
Comment
CAS-BOT-BC90964
Calycanthus occidentalis
John Thomas Howell
1951-8-19
28172
Plumas
Sierra Nevada. 3 miles east of Rich Bar.
853
Comment
CAS-BOT-BC91058
Umbellularia californica
John Thomas Howell
1959-9-26
35073 A
Plumas
Sierra Nevada. Between Belden and Lewisia Rock, Feather River Canyon 3.5 miles W of confluence of N Fork and E Branch.
Comment
CAS-BOT-BC93477
Artemisia tridentata subsp. tridentata
John Thomas Howell
1959-9-24
34970
Plumas
Sierra Nevada - Beckworth
1487
Comment
CAS-BOT-BC93525
Artemisia tridentata subsp. tridentata
John Thomas Howell; Gordon H. True
1969-6-23
45820
Plumas
Sierra Nevada - Middle Fork of Feather River at Nelson Point
1249
Comment
CAS-BOT-BC93978
Quercus durata
John Thomas Howell
1959-9-21
34789
Plumas
Rich Bar
762
Comment
CAS-BOT-BC93981
Quercus durata
John Thomas Howell
1959-9-21
34792
Plumas
Rich Bar
762
Comment
CAS-BOT-BC93984
Quercus durata
John Thomas Howell
1951-8-19
28168
Plumas
near Rich Bar
792
Comment
CAS-BOT-BC94264
Quercus garryana
John Thomas Howell
1959-9-26
35067
Plumas
near Virgilia
838
Comment
CAS-BOT-BC97467
Aster
John Thomas Howell
1976-7-16
51913
Plumas
on flood plain of Spanish Creek at mouth of Wapaunsie Creek
1097
Comment
CAS-BOT-BC97558
Symphyotrichum ascendens
John Thomas Howell
1961-9-22
36814 A
Plumas
Greenville
1088
Comment
CAS-BOT-BC97563
Symphyotrichum ascendens
John Thomas Howell
1959-9-24
34973
Plumas
Beckwourth
1487
Comment
CAS-BOT-BC97564
Symphyotrichum ascendens
John Thomas Howell
1961-9-23
36828
Plumas
Indian Valley
1082
Comment
CAS-BOT-BC97864
Symphyotrichum eatonii
John Thomas Howell
1924-8-10
613
Plumas
Crescent Mills
1219
Comment
CAS-BOT-BC97866
Symphyotrichum eatonii
John Thomas Howell
1961-9-22
36814
Plumas
Greenville
1088
Comment
CAS-BOT-BC97867
Symphyotrichum eatonii
John Thomas Howell
1926-7-27
2143
Plumas
Near Prattville
1463
Comment
CAS-BOT-BC97920
Symphyotrichum frondosum
John Thomas Howell
1961-9-24
36914
Plumas
Feather River bed, southwest of Beckwourth
1487
Comment
CAS-BOT-BC98487
Symphyotrichum spathulatum
John Thomas Howell
1966-7-29
42014
Plumas
Quincy - Sierra Nevada
1036
Comment
CAS-BOT-BC98851
Symphyotrichum spathulatum var. intermedium
John Thomas Howell
1926-7-24
2103
Plumas
Near Pratteville
1463
Comment
CAS-BOT-BC98899
Symphyotrichum spathulatum var. intermedium
John Thomas Howell
1961-9-25
36958
Plumas
Portola - Sierra Nevada
1478
Comment
CDA1931
Crypsis alopecuroides
J. T. Howell
1977-8-11
52716
Plumas
East side of Frenchmans Reservoir near Big Cove.
Comment
CDA2053
Elytrigia repens
J. T. Howell
1961-9-23
36826
Plumas
Indian Valley.
Comment
CDA23677
Amaranthus californicus
J. T. Howell
1959-9-21
34767
Plumas
Sierra Nevada; Bars of North Fork of Feather River near Belden.
Comment
CDA3756
Hesperis matronalis
J. T. Howell, G. H. True
1967-7-11
43380
Plumas
Quincy.
Comment
CHSC25461
Crypsis alopecuroides
John Thomas Howell
1977-8-11
52716
Plumas
Sierra Nevada. Bottom of Frenchmans Reservoir on est side near Big Cove.
1706
Comment
JEPS11845
Campanula prenanthoides
John Thomas Howell
1926-7-31
2178
Plumas
near Prattville
1463
Comment
JEPS14093
Perideridia parishii subsp. latifolia
John Thomas Howell
1926-7-31
2169
Plumas
near Prattville
1463
Comment
JEPS29545
Kelloggia galioides
John Thomas Howell
1960-7-17
35489
Plumas
Drakesbad; Lassen Volcanic National Park
1676
Comment
JEPS29552
Veronica peregrina subsp. xalapensis
John Thomas Howell
1960-7-19
35618
Plumas
Lassen Volcanic National Park, Drakesbad Drakesbad; Lassen Volcanic National Park, Drakesbad
1676
Comment
JEPS29571
Pseudognaphalium thermale
John Thomas Howell
1960-7-20
35756
Plumas
Boiling Springs Lake Lassen Volcanic Park, Boiling Springs Lake
1798
Comment
JEPS29573
Helenium bigelovii
John Thomas Howell
1960-7-18
35532
Plumas
Drakesbad Lassen Volcanic National Park, Drakesbad
1676
Comment
JEPS29579
Oreostemma alpigenum var. andersonii
J. Thomas Howell
1960-7-23
35964
Plumas
Dream Lake, (Drakesbad) Lassen Volcanic National Park, Dream Lake, Drakesbad
1676
Comment
JEPS33713
Epilobium ciliatum subsp. ciliatum
John Thomas Howell
1926-7-31
2177
Plumas
near Prattville
1463
Comment
JEPS33715
Gayophytum
John Thomas Howell
1926-7-23
2094
Plumas
near Prattville
1463
Comment
JEPS40662
Horkelia fusca subsp. tenella
John Thomas Howell
1926-7-26
2128
Plumas
near Prattville; Potentilla
1371
Comment
JEPS55982
Phacelia hastata subsp. compacta
John Thomas Howell
1955-7-19
30808
Plumas
Vinton Sierra Valley
1505
Comment
JEPS58959
Symphyotrichum spathulatum
J. Thomas Howell
1961-9-25
36958
Plumas
Portola Sierra Nevada
1478
Comment
JEPS62624
Packera subnuda
John Thomas Howell, Gordon True, Walter and Irja Knight
1968-6-11
2392
Plumas
Butterfly Valley Sierra Nevada (wet area on e side)
Comment
JEPS6527
Galium triflorum
John Thomas Howell
1926-7-23
2093
Plumas
near Prattville
1463
Comment
JEPS75241
Ericameria parryi var. nevadensis
John Thomas Howell
1961-9-23
36878
Plumas
Cooks Creek Road near Englemine
1082
Comment
JEPS75245
Chrysothamnus viscidiflorus subsp. viscidiflorus
John Thomas Howell
1974-6-1
34968
Plumas
near Beckwourth; Sierra Valley
1478
Comment
JEPS75253
Ericameria nauseosa var. speciosa
John Thomas Howell
1959-9-24
34962
Plumas
near Blairsden; Sierra Nevada
1341
Comment
JEPS75255
Ericameria parryi var. nevadensis
John Thomas Howell
1974-9-20
50902
Plumas
near Spring Garden; Sierra Nevada
1158
Comment
JEPS75257
Ericameria nauseosa var. speciosa
John Thomas Howell
1959-9-25
35021
Plumas
summit of Beckwourth Pass Sierra Nevada, Beckwourth Pass
1588
Comment
JEPS75282
Ericameria parryi var. nevadensis
John Thomas Howell
1959-9-24
34976
Plumas
Beckwourth
1493
Comment
JEPS75283
Ericameria parryi var. nevadensis
John Thomas Howell
1961-9-25
36964
Plumas
Portola Sierra Nevada
1478
Comment
JEPS85656
Trichostema oblongum
John Thomas Howell
1926-7-26
2141
Plumas
near Prattville
1371
Comment
JEPS85670
Lupinus
John Thomas Howell
1926-7-30
2154
Plumas
Prattville
1310
Comment
JEPS9090
Castilleja arachnoidea
John Thomas Howell
1951-6-28
27696
Plumas
Eureka Peak
1981
Comment
JEPS9096
Castilleja applegatei subsp. pinetorum
John Thomas Howell
1951-6-28
27715
Plumas
Eureka Peak Sierra Nevada
2194
Comment
NY399808
Eriogonum ursinum
J. T. Howell
1951-6-29
27747
Plumas
Spring Garden Creek
1158.2
Comment
NY546654
Poa sierrae
J. T. Howell
1967-5-9
42204 -[female]
Plumas
Sierra Nevada. 3.5 miles SW of belden, Feather River Canyon
609.6
Comment
NY546655
Poa sierrae
J. T. Howell
1967-5-9
42204 -[male]
Plumas
Sierra Nevada. 3.5 miles SW of belden, Feather River Canyon
609.6
Comment
NY651260
Penstemon rydbergii var. oreocharis
J. T. Howell
1981-6-23
54177
Plumas
Long Valley at road to Maxwell Mine
1633.7
Comment
NY762727
Salix melanopsis
J. T. Howell
1976-7-16
51897
Plumas
On flood plain of Spanish Creek at mouth of Wapaunsie Creek
1097.3
Comment
NY790348
Keckiella lemmonii
J. T. Howell
1966-7-26
42001
Plumas
Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River
609.6
Comment
NY790349
Keckiella lemmonii
J. T. Howell
1976-7-16
51915
Plumas
Just east of Bucks Summit on road to Meadow Valley
1645.9
Comment
RSA201261A
Gnaphalium palustre
J. T. Howell
1959-9-22
34865
Plumas
Plants of Lassen Volcanic National Park. On Pinus Murrayana, Drakesbad,
1677
Comment
RSA201262
Achnatherum occidentale subsp. occidentale
J. T. Howell
1960-7-17
35485
Plumas
Drakesbad; Lassen Volcanic National Park.
1677
Comment
RSA201264
Achnatherum occidentale subsp. pubescens
J. T. Howell
1960-7-20
35787
Plumas
Between boiling Springs Lake and Terminal Geyser.
1860
Comment
RSA201266
Juncus effusus subsp. pacificus
J. T. Howell
1959-9-22
34857
Plumas
Lassen Volcanic National Park: Drakesbad.
1677
Comment
RSA201269
Carex cusickii
J. T. Howell
1960-7-23
35936
Plumas
Lassen Volcanic National Park. Drakesbad. Near Soda Spring.
1677
Comment
RSA201275
Carex aurea
J. T. Howell
1960-7-18
35508
Plumas
Drakesbad
1677
Comment
RSA201279
Arceuthobium americanum
J. T. Howell
1959-9-22
34866
Plumas
Lassen Volcanic National Park. On Pinus Murrayana, Drakesbad.
1677
Comment
RSA201283A
Cuscuta californica
J. T. Howell
1960-7-19
35689
Plumas
Drakesbad
1677
Comment
RSA201284A
Cryptantha sobolifera
J. T. Howell
1960-7-18
35545
Plumas
Wooded meadow borders. Drakesbad.
1677
Comment
RSA201286
Arctostaphylos nevadensis
J. T. Howell
1959-9-23
34876
Plumas
3 mi. south of Lassen Park boundary, on road to Chester.
1829
Comment
RSA201292
Rumex salicifolius var. triangulivalvis
J. T. Howell
1960-7-19
35616
Plumas
Drakesbad
1677
Comment
RSA201295
Veratrum californicum
J. T. Howell
1960-8-20
36278
Plumas
Drakesbad
1677
Comment
RSA201300
Ericameria bloomeri
J. T. Howell
1960-8-20
36282
Plumas
Kelly Camp, near Drakesbad.
1616
Comment
RSA201301
Melica subulata
J. T. Howell
1960-7-23
35965
Plumas
Dream Lake, Drakesbad
1677
Comment
RSA201311
Salix lemmonii
J. T. Howell
1960-7-20
35725
Plumas
Drakesbad.
1677
Comment
RSA201317
Cuscuta californica
J. T. Howell
1960-7-19
35689
Plumas
Drakesbad
1677
Comment
RSA201318
Phacelia racemosa
J. T. Howell
1960-7-20
35736
Plumas
Boiling Springs Lake to Drakesbad. Lassen Volcanic National Park.
1677
Comment
RSA201320
Gnaphalium palustre
J. T. Howell
1959-9-22
34865
Plumas
Lassen Volcanic National Park: Drakesbad.
1677
Comment
RSA201332
Carex angustata
J. T. Howell
1960-7-23
35943
Plumas
Lassen Volcanic National Park. Drakesbad. Near Soda Spring.
1677
Comment
RSA201335
Salix lemmonii
J. T. Howell
1960-7-20
35724
Plumas
Drakesbad.
1677
Comment
RSA201338
Plagiobothrys scouleri var. hispidulus
J. T. Howell
1960-7-19
35613
Plumas
Drakesbad
1677
Comment
RSA201340
Lotus unifoliolatus
J. T. Howell
1960-7-18
35568
Plumas
Drakesbad
1677
Comment
RSA201345
Achnatherum occidentale subsp. occidentale
J. T. Howell
1960-7-19
35670
Plumas
Drakesbad.
1677
Comment
RSA201348
Muhlenbergia filiformis
J. T. Howell
1960-9-22
34846
Plumas
Drakesbad.
1738
Comment
RSA201350
Sanicula tuberosa
J. T. Howell
1960-7-22
35918
Plumas
Drakesbad. Devils kitchen
1677
Comment
RSA201354
Bromus marginatus
J. T. Howell
1960-7-20
35760
Plumas
Boiling Springs Lake
1799
Comment
RSA201355
Panicum capillare
J. T. Howell
1960-7-20
35728
Plumas
Drakesbad; Lasses Volcanic National Park
1677
Comment
RSA201357
Panicum capillare
J. T. Howell
1960-7-20
35761
Plumas
Boilings Springs Lake; Lassen Volcanic National Park
1799
Comment
RSA201358
Melica subulata
J. T. Howell
1960-7-23
35965
Plumas
Dream Lake, Drakesbad
1677
Comment
RSA201363
Phacelia racemosa
J. T. Howell
1960-7-20
35736
Plumas
Boiling Springs Lake to Drakesbad. Lassen Volcanic National Park.
1677
Comment
RSA201364
Panicum capillare
J. T. Howell
1969-9-22
34868
Plumas
Drakesbad; Lasses Volcanic National Park
1738
Comment
RSA201366
Veratrum californicum
J. T. Howell
1960-8-20
36278
Plumas
Drakesbad
1677
Comment
RSA201367
Plagiobothrys scouleri var. hispidulus
J. T. Howell
1960-7-19
35613
Plumas
Drakesbad
1677
Comment
RSA201373
Eriogonum spergulinum var. reddingianum
J. T. Howell
1960-7-18
35577
Plumas
Wooded meadow borders. Drakesbad.
1677
Comment
RSA215971
Agrostis pallens
J. T. Howell
1957-6-30
32793
Plumas
Hunters Point
Comment
RSA2501309
Elymus glaucus
J. T. Howell
1960-7-18
35598
Plumas
Lassen Volcanic National Park; Meadow near bath house, Drakesbad
1677
Comment
RSA263839
Alnus incana subsp. tenuifolia
J. T. Howell
1959-9-22
34833
Plumas
Wolf Creek.
1372
Comment
RSA263841
Alnus rhombifolia
J. T. Howell, Gordon True
1969-6-23
45817
Plumas
Middle Fork of Feather River at Nelson Point.
1250
Comment
RSA263849
Chrysothamnus nauseosus subsp. albicaulis
J. T. Howell
1974-9-20
50902
Plumas
Near Spring Garden
1159
Comment
RSA26617
Juncus parryi
J. T. Howell
1951-6-27
27629
Plumas
Jamison Creek
1829
Comment
RSA29125
Lupinus apertus
J. T. Howell
1951-6-27
27606
Plumas
Jamison Creek.
1890
Comment
RSA291301
Stellaria longipes
J. T. Howell
1960-7-18
35516
Plumas
Drakesbad.
1677
Comment
RSA29208
Lotus argophyllus var. fremontii
J. T. Howell
1951-6-29
27767
Plumas
Feather River Canyon
549
Comment
RSA299129
Trisetum canescens
J. T. Howell
1961-6-21
36630
Plumas
Greenville
Comment
RSA299153
Elymus glaucus
J. T. Howell
1975-7-22
51373
Plumas
2 miles northwest of Spring Garden
1174
Comment
RSA299170
Elymus repens
J. T. Howell
1959-9-25
35036
Plumas
Quincy
1037
Comment
RSA299235
Brickellia californica
J. T. Howell
1961-9-23
36895
Plumas
Englemine
1098
Comment
RSA299502
Penstemon deustus
J. T. Howell, Walter Knight, I. Knight, Gordon H. True Jr.
1967-7-10
2163
Plumas
Mouth of Butterfly Creek, Butterfly Botanical Area and vicinity.
884
Comment
RSA299612
Eragrostis mexicana subsp. virescens
J. T. Howell, I. Knight, Walter Knight, Gordon H. True
1967-7-10
2190
Plumas
Mouth of Butterfly Creek
884
Comment
RSA299615
Elymus glaucus
J. T. Howell
1962-6-17
37688
Plumas
Sierra Nevada; Butterfly Valley
1037
Comment
RSA299626
Melica geyeri
J. T. Howell, Gordon H. True, Walter, Irja Knight
1968-6-11
2416
Plumas
Butterfly Botanical Area, near Fern Glen.
1067
Comment
RSA300137
Poa secunda
J. T. Howell
1967-6-23
42672
Plumas
Canyon of Butterfly Creek just above its mouth
976
Comment
RSA300157
Poa secunda
J. T. Howell
1962-6-17
37705
Plumas
Portola
1463
Comment
RSA300165
Poa trivialis
J. T. Howell, Gordon H. True
1968-6-10
44551
Plumas
Quincy
1037
Comment
RSA300172
Poa palustris
J. T. Howell
1961-9-23
36852
Plumas
Indian Valley; Sierra Nevada
1082
Comment
RSA300175
Schedonorus pratensis
J. T. Howell, I. Knight, Walter Knight, Gordon H. True
1967-7-10
2194
Plumas
Mouth of Butterfly Creek, Butterfly Botanical Area and vicinity.
884
Comment
RSA300180
Festuca rubra
J. T. Howell, Gordon H. True
1969-6-23
45841
Plumas
Quincy.
1037
Comment
RSA30025
Cystopteris fragilis
J. T. Howell
1951-6-27
27635
Plumas
Jamison Creek
1829
Comment
RSA30070
Pellaea bridgesii
J. T. Howell
1951-6-28
27694
Plumas
Eureka Peak
1982
Comment
RSA30124
Erythronium purpurascens
J. T. Howell
1951-6-28
27684
Plumas
Eureka Peak
1982
Comment
RSA30591
Lupinus arbustus subsp. silvicola
J. T. Howell
1951-6-28
27699
Plumas
Eureka Peak.
2134
Comment
RSA309604
Poa sierrae
J. T. Howell
1967-6-23
42740
Plumas
3.5 miles southwest of Belden, Feather River Canyon
610
Comment
RSA502885
Salix laevigata
J. T. Howell, T. C. Fuller, G. D. Barbe
1981-6-25
54338
Plumas
2.8 miles north-northeast of Englemine on Diamond Mt. Road.
1341
Comment
RSA504719
Solidago californica
J. T. Howell
1959-9-21
34736
Plumas
Belden
701
Comment
RSA512824
Ludwigia palustris var. pacifica
J. T. Howell
1976-7-15
51842
Plumas
Snake Lake, about 4 miles northwest of Quincy.
1220
Comment
RSA515505
Ceanothus cordulatus
J. T. Howell, G. H. True
1969-6-23
45814
Plumas
Open meadow 2 miles N of Nelson Point on road to Quincy
1311
Comment
RSA517181
Ludwigia palustris var. americana
J. T. Howell
1961-9-23
36845
Plumas
Indian Valley; Sierra Nevada
1082
Comment
RSA517192
Rhamnus rubra
J. T. Howell
1975-6-16
51133
Plumas
Transition zone coniferous forest, 2 miles NW of Spring Garden
1174
Comment
RSA518946
Rhamnus purshiana
J. T. Howell
1959-9-24
34935
Plumas
Butterfly Creek near mouth
Comment
RSA518947
Rhamnus purshiana
J. T. Howell
1963-6-3
39395
Plumas
Butterfly Valley
Comment
RSA550617
Arctostaphylos nevadensis
J. T. Howell, T. C. Fuller, G. D. Barbe, Donna Howell
1981-6-24
54265
Plumas
Rocky sumit ridge, Mt. Hough.
2204
Comment
RSA551253
Rhamnus
J. T. Howell
1976-7-20
52037
Plumas
transition zone forest at S end of Lake Almanor
1372
Comment
RSA551259
Monardella sheltonii
J. T. Howell
1975-7-22
51350
Plumas
2 miles NW of Spring Garden
1174
Comment
RSA626474
Eriogonum baileyi var. praebens
J. T. Howell
1955-7-19
30806
Plumas
Sagebrush Flat, Vinton
1512
Comment
RSA66725
Scirpus congdonii
J. T. Howell
1951-6-27
27602
Plumas
McRae Meadow.
1982
Comment
RSA80862
Aspidotis densa
J. T. Howell
1951-6-27
27636
Plumas
Johnsville; Sierra Nevada
1585
Comment
RSA85836
Marsilea vestita
J. T. Howell
1926-7-30
2159
Plumas
Lake Almanor
Comment
RSA88087
Crepis occidentalis subsp. conjuncta
J. T. Howell
1951-6-27
27633
Plumas
Jamison Creek
1829
Comment
RSA88117
Achnatherum lemmonii var. lemmonii
J. T. Howell
1951-6-29
27745
Plumas
Spring Garden Creek.
1159
Comment
RSA88123
Bromus commutatus
J. T. Howell
1951-6-26
27538
Plumas
Feather River Canyon
854
Comment
RSA88132
Cordylanthus tenuis subsp. tenuis
J. T. Howell
1951-8-20
28224
Plumas
Indian Valley.
1098
Comment
RSA88140
Elymus glaucus
J. T. Howell
1951-6-27
7568
Plumas
Johnsville; Sierra Nevada
1585
Comment
RSA88394
Keckiella lemmonii
J. T. Howell
1951-8-19
28174
Plumas
Near Paxton.
915
Comment
RSA88399
Castilleja applegatei subsp. pinetorum
J. T. Howell
1951-6-28
27715
Plumas
Eureka Peak.
2195
Comment
RSA88404
Sium suave
J. T. Howell
1951-8-20
28217
Plumas
Genesee
1128
Comment
RSA88405
Pteryxia terebinthina
J. T. Howell
1951-6-28
27704
Plumas
Eureka Peak.
2195
Comment
RSA88416
Orthocarpus hispidus
J. T. Howell
1951-6-27
27592
Plumas
McRae Meadow.
1982
Comment
RSA88424
Mimulus nanus var. mephiticus
J. T. Howell
1951-6-27
27609
Plumas
Jamison Creek.
1890
Comment
RSA88450
Heterocodon rariflorum
Donna Howell
1951-6-28
27675
Plumas
Jamison Creek.
1585
Comment
RSA88457
Nemacladus interior
J. T. Howell
1951-6-29
27761
Plumas
Feather River Canyon
549
Comment
RSA88460
Galium grayanum var. grayanum
J. T. Howell
1951-6-28
27722
Plumas
Eureka Peak.
2226
Comment
RSA88461
Galium grayanum var. grayanum
J. T. Howell
1951-6-28
27723
Plumas
Eureka Peak.
2226
Comment
RSA88466
Polygonum davisiae
J. T. Howell
1951-6-28
27692
Plumas
Eureka Peak
1982
Comment
RSA88490
Arabis breweri
J. T. Howell
1951-6-28
27665
Plumas
Jamison Creek Canyon
1585
Comment
RSA88554
Eriogonum umbellatum var. polyanthum
J. T. Howell
1951-6-29
27748
Plumas
Spring Garden Creek.
1159
Comment
RSA88555
Horkelia fusca subsp. parviflora
J. T. Howell
1951-6-27
27594
Plumas
McRae Meadow.
1982
Comment
RSA88563
Malva parviflora
J. T. Howell
1951-6-27
27555
Plumas
Johnsville.
1585
Comment
RSA88594
Eriogonum ursinum
J. T. Howell
1951-6-27
27630
Plumas
Jamison Creek
1829
Comment
RSA88598
Quercus garryana var. semota
J. T. Howell
1951-6-26
27548
Plumas
Feather River Canyon
854
Comment
RSA88599
Quercus durata
J. T. Howell
1951-6-26
27532
Plumas
Near Rich Bar.
793
Comment
SBBG103605
Arctostaphylos mewukka subsp. truei
J. T. Howell
1976-4-2
51570
Plumas
Injun Jim Cmpgrd, North Fk Feather River
609
Comment
SBBG115913
Bromus orcuttianus
J. T. Howell
1975-7-22
51363
Plumas
ca. 2 mi NW of Spring Garden
1173
Comment
SBBG115916
Bromus hordeaceus
J. T. Howell
1962-6-18
37754
Plumas
Sierra Valley near Beckwourth
1463
Comment
SBBG115939
Bromus japonicus
J. T. Howell
1977-6-24
52417
Plumas
near confluence of Spanish and Indian Crks
929
Comment
SBBG115949
Achnatherum occidentale subsp. pubescens
J. T. Howell
1955-7-19
30754
Plumas
Beckwourth
1493
Comment
SBBG115955
Bromus carinatus var. marginatus
J. T. Howell, G. H. True
1973-7-31
50104
Plumas
Thompson Pk, Diamond Range
2194
Comment
SBBG47390
Marsilea vestita
J. T. Howell
1961-9-25
36949
Plumas
Feather River bed, Portola
1478
Comment
SBBG50202
Tetradymia canescens
J. T. Howell
1959-9-25
Plumas
summit of Beckwourth Pass
1588
Comment
SBBG50219
Garrya fremontii
J. T. Howell
1959-9-26
Plumas
near Keddie
1005
Comment
SBBG50275
Vaccinium cespitosum
J. T. Howell
1963-6-3
Plumas
Butterfly Valley
1036
Comment
SBBG50454
Ericameria nauseosa var. speciosa
J. T. Howell
1974-9-20
50902
Plumas
near Spring Garden
1158
Comment
SD130391
Carex echinata subsp. echinata
John Thomas Howell
1962-6-17
37656
Plumas
Sierra Nevada; Butterfly Valley.
1036
Comment
SD130446
Sidalcea glaucescens
John Thomas Howell
1962-6-17
37678
Plumas
Butterfly Valley
1036
Comment
SD130487
Epilobium ciliatum subsp. ciliatum
John Thomas Howell
1976-7-15
51859
Plumas
Snake Lake, ca. 4.0 miles northwest of Quincy.
1219
Comment
SD130489
Epilobium ciliatum subsp. ciliatum
John Thomas Howell
1976-7-16
51887
Plumas
Hydraulic mining gravels on flood plain of Spanish Creek at mouth of Wapaunsie Creek.
1096
Comment
SD130950
Carex scabriuscula
John Thomas Howell, T. C. Fuller, G. D. Barbe
1981-6-23
54148
Plumas
Sierra Nevada; 2.65 miles west of Round Valley Reservoir dam; rocky serpentine slope in open coniferous forest.; in seepage area.
1538
Comment
SD134067
Scirpus microcarpus
John Thomas Howell
1976-7-15
51855
Plumas
Snake Lake, about 4 miles northwest of Quincy.
1219
Comment
SD147572
Lupinus grayi
John Thomas Howell
1966-7-29
42010
Plumas
Quincy
1035
Comment
SD147588
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1976-4-2
51570
Plumas
Injun Jim Campground, North Fork Feather River.
609
Comment
SD147626
Luzula parviflora
John Thomas Howell, T. C. Fuller, G. D. Barbe
1981-6-26
54367
Plumas
Sierra Nevada, 0.75 miles northeast of Bucks Summit, on road to Quincy.
1600
Comment
SD149109
Rhamnus
John Thomas Howell
1976-7-20
52038
Plumas
Transition zone forest at south end of Lake Almanor
1372
Comment
SD149111
Rhamnus
John Thomas Howell, T. C. Fuller, G. D. Barbe
1981-6-25
54298
Plumas
East side of Indian Valley just north of Taylorsville
1111
Comment
SD149143
Monardella sheltonii
John Thomas Howell
1975-7-22
51349
Plumas
2 miles northwest of Spring Garden
1173
Comment
SD149145
Monardella odoratissima subsp. pallida
John Thomas Howell
1975-7-22
51370
Plumas
2.0 miles northwest of Spring Garden.
1173
Comment
SD149161
Lycopus americanus
John Thomas Howell
1961-9-23
36851
Plumas
Indian Valley, Sierra Nevada.
1082
Comment
SD149167
Arctostaphylos
John Thomas Howell, T. C. Fuller, and G. D. Barbe
1981-6-24
54265
Plumas
Rocky summit ridge, Mt. Hough.
2210
Comment
SD149168
Arctostaphylos
John Thomas Howell
1976-7-16
51916
Plumas
Just east of Bucks Summit on road to Meadow Valley.
1650
Comment
SD149191
Sparganium eurycarpum
John Thomas Howell
1961-9-25
36955
Plumas
Feather River bed, Portola
1477
Comment
SD149192
Sparganium emersum
John Thomas Howell
1961-9-25
36939
Plumas
Feather River bed, Portola
1477
Comment
SD71001
Carex brainerdii
John Thomas Howell
1960-7-17
35484
Plumas
Lassen Volcanic National Park; Drakesbad; dry coniferous forest.
1676
Comment
SD71005
Juncus occidentalis
John Thomas Howell
1960-7-18
35550
Plumas
Lassen Volcanic National Park, meadow, Drakesbad.
1676
Comment
SD71007
Agrostis exarata
John Thomas Howell
1960-7-18
35520
Plumas
Lassen Volcanic National Park, wet meadow, Drakesbad.
1676
Comment
SD71008
Agrostis scabra
John Thomas Howell
1960-7-20
35722
Plumas
Lassen Volcanic National Park, near steam vents and hot springs, Boiling Springs Lake.
1798
Comment
SD71009
Panicum capillare var. occidentale
John Thomas Howell
1960-7-20
35728
Plumas
Lassen Volcanic Park, Drakesbad, cool wet shaded place
1676
Comment
SD71011
Cryptantha affinis
John Thomas Howell
1960-7-17
35487
Plumas
Drakesbad
1675
Comment
SD71013
Arceuthobium americanum
John Thomas Howell
1959-9-22
34866
Plumas
Drakesbad
1676
Comment
SD71014
Rumex triangulivalvis
John Thomas Howell
1960-7-19
35624
Plumas
Meadow, Drakesbad, Lassen Volcanic National Park
1676
Comment
SD71019
Arctostaphylos nevadensis
John Thomas Howell
1959-9-23
Plumas
Road to Chester, 3 mi. S of Lassen Park boundary
1830
Comment
SD71030
Carex angustata
John Thomas Howell
1960-7-23
35945
Plumas
Lassen volcanic National Park; Drakesbad; meadow near soda spring.
1676
Comment
SD72047
Astragalus lentiformis
John Thomas Howell
1962-6-17
37702
Plumas
Portola, with sagebrush under Jeffrey pines
1463
Comment
SEINET13344652
Carex brainerdii
J. T. Howell, Gordon H. True
1967-5-7
42186
Plumas
Sierra Nevada, Injin Jim Campground [now James Lee Campground] at confluence of Granite Creek and North Fork of Feather River
610
Comment
SEINET224361
Artemisia cana
John Thomas Howell
1961-9-24
Plumas
Plumas County: Near Feather River bridge, SW of Beckwourth.
1487
Comment
SEINET7295175
Torreyochloa pallida var. pauciflora
John Thomas Howell
1961-1
36934
Plumas
Feather River bed, Portola
1478
Comment
SEINET7295284
Vulpia microstachys var. pauciflora
John Thomas Howell
1967-1
42669
Plumas
Canyon of Butterfly Creek just above its mouth
975
Comment
UC1026457
Collinsia torreyi var. wrightii
John Thomas Howell
1951-6-28
27703
Plumas
Eureka Peak
2255
Comment
UC1042408
Erythronium purpurascens
John Thomas Howell
1951-6-28
27684
Plumas
Eureka Peak
1981
Comment
UC1042412
Lotus argophyllus var. fremontii
John Thomas Howell
1951-6-29
27767
Plumas
Feather River Canyon
548
Comment
UC2015884
Carex canescens
John Thomas Howell
1976-7-15
51841
Plumas
Snake Lake, about 4 miles northwest of Quincy.
Comment
UC688909
Athyrium filix-femina var. cyclosorum
John Thomas Howell
1926-7-27
2144
Plumas
near Prattville
1463
Comment
UC971755
Linanthus harknessii
J. T. Howell
1926-7-30
2168
Plumas
Lake Almanor
Comment
UCD100067
Polygonum aviculare subsp. depressum
John Thomas Howell
1959-9-22
34863
Plumas
Lassen Volcanic National Park, Drakesbad.
1737
Comment
UCD100238
Polygonum douglasii
John Thomas Howell
1959-9-22
34847
Plumas
Lassen Volcanic National Park, Drakesbad.
1737
Comment
UCD100241
Polygonum douglasii
John Thomas Howell
1960-7-19
35698
Plumas
Lassen Volcanic National Park, Drakesbad.
1676
Comment
UCD100420
Eriogonum microthecum var. laxiflorum
John Thomas Howell
1973-7-31
50070
Plumas
summit ridge of Thompson Peak; Diamond Range.
2362
Comment
UCD100757
Eriogonum palmerianum
John Thomas Howell
1955-7-19
30806
Plumas
Vinton.
1511
Comment
UCD101479
Rumex triangulivalvis
John Thomas Howell
1960-7-19
35624
Plumas
Drakesbad.
1676
Comment
UCD101488
Eriogonum umbellatum var. polyanthum
John Thomas Howell
1961-9-23
36863
Plumas
Indian Valley.
1082
Comment
UCD101492
Eriogonum umbellatum var. polyanthum
John Thomas Howell
1974-9-20
50898
Plumas
2 miles from Spring Garden on road to Quincy.
1158
Comment
UCD101523
Eriogonum vimineum
John Thomas Howell
1955-7-19
30807
Plumas
Vinton.
1508
Comment
UCD101527
Eriogonum vimineum
John Thomas Howell; Gordon True, Walter Knight, Irja Knight
1967-7-10
2184
Plumas
Butterfly Botanical Area and Vicinity; mouth of Butterfly Creek.
883
Comment
UCD101906
Arceuthobium americanum
John Thomas Howell
1959-9-22
34866
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD104245
Acmispon nevadensis
John Thomas Howell
1960-7-18
35561
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD106106
Navarretia capillaris
John Thomas Howell
1960-7-18
35600
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD107915
Trifolium cyathiferum
John Thomas Howell
1960-7-18
35534
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD109971
Alnus incana subsp. tenuifolia
John Thomas Howell
1959-9-24
34936
Plumas
Butterfly Creek, near mouth.
Comment
UCD111052
Viola macloskeyi
John Thomas Howell
1960-7-23
35958
Plumas
Lassen Volcanic National Park. Drakesland, near Soda Spring.
1676
Comment
UCD114066
Spiraea splendens
John Thomas Howell
1951-6-26
s.n.
Plumas
Jasmine Creek.
1828
Comment
UCD114968
Hesperis matronalis
John Thomas Howell; Gordon H. True
1967-7-11
43380
Plumas
Meadow at Quincy.
1036
Comment
UCD115122
Hirschfeldia incana
John Thomas Howell; Gordon H. True
1968-6-10
44541
Plumas
Quincy.
1036
Comment
UCD118046
Vaccinium cespitosum
John Thomas Howell
1963-6-3
39392
Plumas
Butterfly Valley.
1036
Comment
UCD118767
Leptosiphon harknessii
John Thomas Howell
1960-7-18
35556
Plumas
Lassen Volcanic National Park, Drakesbad.
1676
Comment
UCD119305
Eriodictyon lobbii
John Thomas Howell
1960-7-24
35993
Plumas
Kelly Camp, just south of Lassen Park.
1615
Comment
UCD119372
Hackelia californica
John Thomas Howell
1960-7-19
35668
Plumas
Drakesbad.
1676
Comment
UCD120666
Phacelia racemosa
John Thomas Howell
1960-7-22
35914
Plumas
Devils Kitchen to Drakesbad. Lassen Volcanic National Park.
1676
Comment
UCD121130
Garrya fremontii
John Thomas Howell
1959-9-26
35043
Plumas
Near Keddie.
1005
Comment
UCD122882
Mimulus primuloides
John Thomas Howell
1960-7-23
35952
Plumas
near Soda Springs, Drakesbad.
1676
Comment
UCD127866
Perideridia parishii subsp. latifolia
John Thomas Howell
1960-7-20
35720
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD128048
Sanicula tuberosa
John Thomas Howell
1960-7-19
35692
Plumas
Lassen Volcanic National Park, Drakesbad.
1676
Comment
UCD131487
Ericameria nauseosa var. speciosa
John Thomas Howell
1959-9-24
34962
Plumas
Near Blairsden.
1341
Comment
UCD131489
Ericameria nauseosa var. speciosa
John Thomas Howell
1974-9-20
50902
Plumas
near Spring Garden.
1158
Comment
UCD131546
Ericameria parryi var. nevadensis
John Thomas Howell
1959-9-24
34967
Plumas
Sierra Valley near Beckworth.
1478
Comment
UCD131547
Ericameria parryi var. nevadensis
John Thomas Howell
1959-9-24
34976
Plumas
Beckworth.
1493
Comment
UCD132884
Calocedrus decurrens
John Thomas Howell
1960-7-20
35752
Plumas
Lassen Volcanic National Park. Boiling Springs Lake.
1798
Comment
UCD134269
Madia glomerata
John Thomas Howell
1960-7-18
35601
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD140125
Carex aurea
John Thomas Howell
1960-7-18
35508
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD140184
Carex brainerdii
John Thomas Howell
1960-7-22
35911
Plumas
Devils Kitchen to Drakesbad. Lassen Volcanic National Park.
1676
Comment
UCD140472
Carex lemmonii
John Thomas Howell
1960-7-23
35946
Plumas
Lassen Volcanic National Park, Drakesbad. Near Soda Spring.
1676
Comment
UCD140911
Carex subfusca
John Thomas Howell
1960-7-18
35565
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD140974
Carex vesicaria
John Thomas Howell
1960-7-19
35626
Plumas
Drakesbad. Lassen Volcanic National Park.
1676
Comment
UCD140981
Carex whitneyi
John Thomas Howell
20-23 Jun 1977
52407
Plumas
On the peninsula of Lake Almanor.
1371
Comment
UCD141415
Juncus bufonius var. occidentalis
John Thomas Howell
1960-7-21
35810
Plumas
Lassen Volcanic National Park. Near Terminal Geyser.
1828
Comment
UCD141509
Juncus effusus subsp. pacificus
John Thomas Howell
1960-7-20
35770
Plumas
Boiling Springs Lake. Lassen Volcanic National Park.
1798
Comment
UCD141555
Juncus howellii
John Thomas Howell
1960-7-18
35512
Plumas
Drakesbad.
1676
Comment
UCD45885
Quercus durata var. durata
John Thomas Howell
1959-9-21
34792
Plumas
El. 2500 feet, Plumas County.
762
Comment
UCD45906
Quercus durata var. durata
John Thomas Howell
1959-9-21
34791
Plumas
El. 2500 feet, Plumas County.
762
Comment
UCD45927
Quercus durata var. durata
John Thomas Howell
1951-8-19
28168
Plumas
Plumas County.
792
Comment
UCD45963
Quercus durata var. durata
John Thomas Howell
1959-9-21
34788
Plumas
Serpentine Rich Bar, Plumas Co. El. 2500 ft.
762
Comment
UCD46126
Quercus garryana var. semota
John Thomas Howell
1951-6-26
27548
Plumas
Feather River Canyon, Plumas Co.
853
Comment
UCD46128
Quercus garryana var. semota
John Thomas Howell
1959-9-26
35067
Plumas
Near Virgilia.
838
Comment
UCD47416
Quercus vacciniifolia
John Thomas Howell
1960-7-17
35500
Plumas
Dry rocky wooded slope, Drakesbad, Plumas County.
1676
Comment
UCD48383
Navarretia divaricata
John Thomas Howell
1960-7-18
35571
Plumas
Meadow border, Drakesbad, Plumas County.
1676
Comment
UCD48476
Navarretia intertexta
John Thomas Howell
1955-7-20
30872
Plumas
Mohawk, Plumas Co.
1371
Comment
UCD50604
Achnatherum lemmonii
John Thomas Howell
1962-6-17
37710
Plumas
Portola, Plumas County.
1463
Comment
UCD51940
Arctostaphylos truei
John Thomas Howell
1976-4-2
51572
Plumas
Injun Jim Campground, North Fork Feather River, Plumas County.
609
Comment
UCD51942
Arctostaphylos truei
John Thomas Howell
1976-4-2
51571
Plumas
Injun Jim Campground, North Fork Feather River, Plumas County.
609
Comment
UCD52435
Agrostis exarata
John Thomas Howell
1926-7-26
2126
Plumas
near Prattville.
1371
Comment
UCD52646
Arctostaphylos viscida
John Thomas Howell
1976-4-2
51578
Plumas
In the Transition Life Zone, 2 miles northwest of Spring Garden, Plumas County.
1173
Comment
UCD52983
Agrostis idahoensis
John Thomas Howell
1960-7-23
25956
Plumas
Drakesland, near Soda Spring.
1676
Comment
UCD53296
Agrostis scabra
John Thomas Howell
1926-7-26
2127
Plumas
near Prattville.
1371
Comment
UCD53310
Arctostaphylos patula
John Thomas Howell
1976-4-2
51579
Plumas
Spring Garden.
1219
Comment
UCD53311
Arctostaphylos patula
John Thomas Howell
1976-4-2
51580
Plumas
Spring Garden.
1219
Comment
UCD53335
Agrostis scabra var. geminata
John Thomas Howell
1960-7-20
35774
Plumas
Boiling Springs Lake.
1798
Comment
UCD53456
Agrostis stolonifera
John Thomas Howell
1960-7-18
35521
Plumas
Drakesbad.
1676
Comment
UCD55868
Alopecurus aequalis
John Thomas Howell
1961-9-25
36952
Plumas
Feather River bed, Portola.
1478
Comment
UCD55898
Alopecurus geniculatus
John Thomas Howell
1960-7-22
35882
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD55909
Alopecurus geniculatus
John Thomas Howell; Gordon H. True
1967-7-9
43264
Plumas
Sierra Nevada, meadow at Quincy .
1036
Comment
UCD56583
Quercus kelloggii
John Thomas Howell
1976-7-14
51823
Plumas
Sierra Nevada. American Valley near Quincy on road to Quincy Junction.
1036
Comment
UCD56778
Beckmannia syzigachne
John Thomas Howell
1962-6-18
37747
Plumas
Plants of the Sierra Nevada. Sierra Valley near Beckwourth.
1487
Comment
UCD58433
Bromus commutatus
John Thomas Howell
1951-6-26
27538
Plumas
Sierra Nevada. Feather River Canyon.
853
Comment
UCD58461
Bromus commutatus
John Thomas Howell
1961-6-21
36666
Plumas
Sierra Nevada. Greenville.
1097
Comment
UCD58849
Bromus inermis
John Thomas Howell; Gordon H. True
1967-7-11
43377
Plumas
Sierra Nevada. Meadow at Quincy.
1036
Comment
UCD59269
Bromus orcuttianus
John Thomas Howell
1960-8-20
36274
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD59784
Cinna latifolia
John Thomas Howell
1960-7-23
35961
Plumas
Drakesbad, Lassen Volcanic National Park.
1676
Comment
UCD59815
Crypsis schoenoides
John Thomas Howell
1959-9-26
35068
Plumas
Feather River Canyon. Ca. 1.5 miles west of Belden.
682
Comment
UCD61691
Elymus elymoides subsp. californicus
John Thomas Howell
20-23 Jun 1977
52413
Plumas
Lake Almanor on the peninsula.
1371
Comment
UCD61817
Elymus glaucus
John Thomas Howell; Gordon True, Walter Knight, Irja Knight
1967-7-10
2213
Plumas
Mouth of Butterfly Creek.
883
Comment
UCD61861
Elymus glaucus
John Thomas Howell
1960-7-18
35608
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD62308
Elymus glaucus
John Thomas Howell
1959-9-26
35054
Plumas
Near Virgilia.
841
Comment
UCD62713
Elymus trachycaulus
John Thomas Howell
1960-7-18
35547
Plumas
Drakesbad.
1676
Comment
UCD62750
Elymus X hansenii
John Thomas Howell
20-23 Jun 1977
52415
Plumas
On the peninsula of Lake Almanor.
1371
Comment
UCD64237
Leymus cinereus
John Thomas Howell
1959-9-24
34898
Plumas
Crescent Mills.
1066
Comment
UCD66090
Festuca idahoensis
John Thomas Howell
1960-7-22
35885
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD66750
Glyceria borealis
John Thomas Howell
1961-9-25
36953
Plumas
Feather River bed, Portola.
1478
Comment
UCD66837
Glyceria elata
John Thomas Howell
1960-7-23
35941
Plumas
Lassen Volcanic National Park, Drakesbad.
1676
Comment
UCD66838
Glyceria elata
John Thomas Howell
1926-7-30
2153
Plumas
Near Prattville.
1463
Comment
UCD85816
Koeleria macrantha
John Thomas Howell
1962-6-18
37779
Plumas
Sierra Valley near Beckwourth.
1487
Comment
UCD86256
Melica aristata
John Thomas Howell
1960-7-21
35823
Plumas
Lassen Volcanic National Park. Near Terminal Geyser.
1798
Comment
UCD86661
Muhlenbergia filiformis
John Thomas Howell
1960-7-18
35581
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD87286
Melica fugax
John Thomas Howell
1960-7-18
35603
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD87287
Melica fugax
John Thomas Howell; Gordon H. True
1967-7-11
43346
Plumas
Sierra Nevada. Summit ridge of Mt. Hough.
2194
Comment
UCD88624
Melica subulata
John Thomas Howell
1960-7-22
35903
Plumas
Lassen Volcanic National Park. Devil's Kitchen to Drakesbad.
1676
Comment
UCD88628
Melica subulata
John Thomas Howell; Gordon True, Walter and Irja Knight
1968-6-11
2410
Plumas
Butterfly Botanical Area.
1097
Comment
UCD89518
Panicum capillare
John Thomas Howell
1959-9-21
34747
Plumas
N. Fk. Feather River near Belden.
Comment
UCD89523
Panicum capillare
John Thomas Howell
1960-7-20
35761
Plumas
Lassen Volcanic National Park. Boilings Springs Lake.
1798
Comment
UCD90555
Poa bolanderi
John Thomas Howell
1960-7-19
35633
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD91537
Puccinellia distans
John Thomas Howell
1955-7-19
30803
Plumas
Vinton.
1505
Comment
UCD91654
Poa secunda subsp. secunda
John Thomas Howell
1975-6-16
51151
Plumas
Sierra Nevada. 2 miles NW of Spring Garden.
1173
Comment
UCD91797
Poa palustris
John Thomas Howell
1955-7-19
30735
Plumas
Portola.
1478
Comment
UCD91798
Poa palustris
John Thomas Howell
1960-7-19
35627
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD91988
Poa sierrae
John Thomas Howell; Gordon H. True
1969-4-8
45483
Plumas
3.5 miles southwest of Belden, Feather River Canyon.
609
Comment
UCD92556
Secale cereale
John Thomas Howell
1955-7-19
30778
Plumas
Beckwourth.
1493
Comment
UCD93198
Torreyochloa pallida var. pauciflora
John Thomas Howell
1960-7-19
35647
Plumas
Drakesbad.
1676
Comment
UCD93379
Thinopyrum intermedium
John Thomas Howell; Gordon H. True
1968-6-10
44544
Plumas
Sierra Nevada. Quincy.
1036
Comment
UCD93594
Trisetum canescens
John Thomas Howell
1960-7-17
35492
Plumas
Drakesbad.
1676
Comment
UCD94545
Vulpia microstachys var. pauciflora
John Thomas Howell
1961-6-21
36593
Plumas
Greenville.
1097
Comment
UCD94784
Vulpia myuros
John Thomas Howell
1962-6-17
37684
Plumas
Butterfly Valley.
1036
Comment
UCD94834
Sparganium emersum
John Thomas Howell
1960-7-22
35869
Plumas
Lassen Volcanic National Park. Drakesbad.
1676
Comment
UCD97209
Amaranthus californicus
John Thomas Howell
1959-9-25
34990
Plumas
Feather River, Portola.
1478
Comment
UCD99322
Stellaria longipes subsp. longipes
John Thomas Howell
1960-7-18
35516
Plumas
Drakesbad.
1676
Comment
UCR143157
Chrysothamnus nauseosus subsp. albicaulis
J. T. Howell
1960-8-20
s.n.
Plumas
Kelly Camp, near Drakesbad
1616
Comment
UCR244661
Cryptantha
J. T. Howell, T. C. Fuller, G. D. Barbe
1981-6-24
54228
Plumas
Sierra Nevada Mtns., 6 miles southeast [presumably on Mt. Hough Crystal Lake Rd.] of Mt. Hough on road to Quincy
1646
Comment
UCR244687
Hackelia nervosa
J. T. Howell, T. C. Fuller, G. D. Barbe
1981-6-22
54113
Plumas
Sierra Nevada Mtns., 10.6 miles NE of LaPorte on road [LaPorte Rd.] to Quincy
1890
Comment
UCR244689
Hackelia
J. T. Howell, T. C. Fuller, G. D. Barbe
1981-6-24
54279
Plumas
Sierra Nevada Mtns., C. 1.3 miles southeast [presumably on Mt. Hough Crystal Lake Rd.] of Mt. Hough on road to Quincy
2043
Comment
UCR74673
Nepeta cataria
J. T. Howell
1959-9-24
34934
Plumas
Sierra Nevada Mtns, Butterfly Creek near mouth.
Comment
UCR88852
Astragalus webberi
J. T. Howell, H. K. Wagnon
1980-5-27
s.n.
Plumas
Near Crescent Mills in SW end of Indian Valley.
1067
Comment
UCR88859
Trifolium breweri
J. T. Howell
1962-6-17
37673
Plumas
Butterfly Valley
1037
Comment
UCR88934
Cerastium arvense
J. T. Howell
1962-6-16
37632
Plumas
Sierra Nevada Mtns, 'Lewisia Rock,' 3.5 mi. SW of Belden, Feather River Canyon.
640
Comment
CAS-BOT-BC102162
Bidens
John Thomas Howell
1959-9-21
34816
Plumas
Sand bars of Indian Creek
914
Comment
CAS-BOT-BC102170
Bidens cernua
John Thomas Howell
1961-9-23
36871
Plumas
Cooks Creek near Engelmine
1082
Comment
CAS-BOT-BC103884
Salix exigua
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54345
Plumas
Near mouth of Lights Creek
1371
Comment
CAS-BOT-BC110839
Scirpus pauciflorus
John Thomas Howell; Gordon H. True
1967-6-11
42572
Plumas
Meadow at Quincy
1036
Comment
CAS-BOT-BC111825
Schoenoplectus tabernaemontani
John Thomas Howell
1959-9-26
35062
Plumas
Near Virgilia
Comment
CAS-BOT-BC112059
Eleocharis quinqueflora
John Thomas Howell; Harvey Keith Wagnon
1980-5-27
53613
Plumas
1 mile west of Almanor
1386
Comment
CAS-BOT-BC113507
Eleocharis bella
John Thomas Howell; Harvey Keith Wagnon
1980-5-27
53612
Plumas
1 mi W of Almanor
1386
Comment
CAS-BOT-BC113510
Eleocharis bella
John Thomas Howell
1926-7-24
2112
Plumas
Lake Almanor, near Prattville
1371
Comment
CAS-BOT-BC114055
Cyperus squarrosus
John Thomas Howell
1960-7-21
35813
Plumas
Moist open slope near Terminal Geyser.
1828
Comment
CAS-BOT-BC114128
Cyperus squarrosus
John Thomas Howell
1961-9-24
36913
Plumas
Feather River bed sur. of Beckworth.
1487
Comment
CAS-BOT-BC114130
Cyperus squarrosus
John Thomas Howell
1959-9-21
34753
Plumas
Sand bars of N Fk Feather River near Belden.
701
Comment
CAS-BOT-BC114188
Cyperus strigosus
John Thomas Howell
1959-9-26
35080
Plumas
Storrie
548
Comment
CAS-BOT-BC114545
Cyperus eragrostis
John Thomas Howell
1959-9-26
35073
Plumas
Feather River Canyon. Ca. 1.5 mi W of Belden.
682
Comment
CAS-BOT-BC114546
Cyperus eragrostis
John Thomas Howell
1959-9-21
34795
Plumas
Virgilia.
841
Comment
CAS-BOT-BC115406
Carex utriculata
John Thomas Howell
1960-7-21
3579 D
Plumas
Wet meadow, Drakesbad.
1828
Comment
CAS-BOT-BC115999
Carex subfusca
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54237
Plumas
About 4 mi SE of Mt. Hough on road to Quincy.
1645
Comment
CAS-BOT-BC118129
Carex rossii
John Thomas Howell
1960-7-21
35832
Plumas
Meadowy forest floor NW of Willow Lake.
1706
Comment
CAS-BOT-BC118133
Carex rossii
John Thomas Howell; R. C. Barneby
1954-5-14
29565
Plumas
Damp meadow near Almanor PO.
1280
Comment
CAS-BOT-BC118136
Carex rossii
John Thomas Howell; R. C. Barneby
1954-5-14
29556
Plumas
2 mi E of Blairsdan
1493
Comment
CAS-BOT-BC119522
Carex nudata
John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight
1969-6-24
2452
Plumas
Butterfly and Spanish Creeks, from water's edge near near confluence.
883
Comment
CAS-BOT-BC119853
Carex nebrascensis
John Thomas Howell; Gordon H. True
1967-6-11
42571
Plumas
Meadow at Quincy
1036
Comment
CAS-BOT-BC121013
Paeonia brownii
J. T. Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54235
Plumas
About 4 miles south of Mt. Hough Road
1645
Comment
CAS-BOT-BC121743
Delphinium patens subsp. patens
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54264
Plumas
About 1.4 mi. southeast of summit of Mt. Hough on road to Quincy
1950
Comment
CAS-BOT-BC125307
Salix lasiandra var. lasiandra
John Thomas Howell
1960-7-21
35839
Plumas
Flats nw. of Willow Lake
1676
Comment
CAS-BOT-BC127495
Agrostis capillaris
John Thomas Howell
1975-6-15
51129
Plumas
Sierra Nevada. Waste Ground, Quincy.
1036
Comment
CAS-BOT-BC127710
Brickellia greenei
John Thomas Howell
1974-9-20
50888
Plumas
7 miles from Quincy on road to Blairsden
1097
Comment
CAS-BOT-BC128433
Salix lasiolepis var. lasiolepis
John Thomas Howell
1951-8-19
28171
Plumas
3 miles east of Rich Bar
853
Comment
CAS-BOT-BC129099
Salix scouleriana
John Thomas Howell
1960-7-20
35730
Plumas
Between meadow and forest, Drakesbad - Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC13244
Agoseris monticola
J. T. Howell
1960-7-21
35802
Plumas
Lassen Volcanic National park, Drakesbad
1828
Comment
CAS-BOT-BC137408
Ivesia aperta
John Thomas Howell
1975-7-22
51379
Plumas
Sierra Valley near Beckwourth
1493
Comment
CAS-BOT-BC138707
Agrostis scabra
John Thomas Howell
1960-7-20
35774
Plumas
Lassen Volcanic National Park. Boiling Springs Lake.
1798
Comment
CAS-BOT-BC139248
Agrostis idahoensis
John Thomas Howell
1960-7-21
35854
Plumas
Lassen Volcanic National Park. Northwest of Willow Lake.
1676
Comment
CAS-BOT-BC14257
Boechera pinetorum
John Thomas Howell; Harvey Keith Wagnon
1980-5-26
53602
Plumas
Sierra Nevada. 10 miles east of Virgilia on road to Quincy.
Comment
CAS-BOT-BC143430
Horkelia fusca var. brownii
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54141
Plumas
1/4 mile west of Round Valley Resrvoir Dam
1371
Comment
CAS-BOT-BC143989
Horkelia fusca var. tenella
John Thomas Howell; H. Keith Wagnon
1980-5-27
53632
Plumas
About 2 miles northwest of Almanor
1389
Comment
CAS-BOT-BC14659
Boechera rectissima
John Thomas Howell; Harvey Keith Wagnon
1980-5-26
53603
Plumas
Sierra Nevada. 10 miles east of Virgilia on road to Quincy.
Comment
CAS-BOT-BC14660
Boechera rectissima
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54234
Plumas
Sierra Nevada. About 4 miles southeast of Mount Hough on the road to Quincy.
1645
Comment
CAS-BOT-BC148706
Bromus carinatus var. marginatus
John Thomas Howell
1960-7-23
35930
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC149727
Rosa woodsii subsp. ultramontana
John Thomas Howell
1951-6-28
27664
Plumas
Jamison Creek Canyon
1584
Comment
CAS-BOT-BC150018
Holodiscus discolor var. discolor
John Thomas Howell
1951-6-27
s.n.
Plumas
Jamison Creek
1828
Comment
CAS-BOT-BC150232
Diplacus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54406
Plumas
Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville
1554
Comment
CAS-BOT-BC153949
Diplacus pygmaeus
John Thomas Howell; H. Keith Wagnon
1980-5-27
53606
Plumas
1 mile west of Almanor
1386
Comment
CAS-BOT-BC15816
Boechera arcuata
John Thomas Howell; Gordon H. True
1967-5-7
42183
Plumas
Sierra Nevada. Injin Jim Campground at confluence of Granite Creek and North Fork of Feather River.
609
Comment
CAS-BOT-BC158525
Potentilla millefolia
John Thomas Howell; H. Keith Wagnon
1980-5-27
53633
Plumas
About 2 miles northwest of Almanor
1389
Comment
CAS-BOT-BC16025
Boechera breweri subsp. breweri
John Thomas Howell
1967-6-23
42735
Plumas
Sierra Nevada. Lewisia Rock 3.5 miles southwest of Belden, Feather River Canyon.
609
Comment
CAS-BOT-BC16067
Boechera breweri
John Thomas Howell; Gordon H. True
1967-5-9
42205
Plumas
Sierra Nevada. Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon.
609
Comment
CAS-BOT-BC162146
Bromus orcuttianus
John Thomas Howell
1960-7-17
35494
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC162147
Bromus orcuttianus
John Thomas Howell
1960-8-20
36274
Plumas
Lassen Volcanic National Park. Drakesbad.
1828
Comment
CAS-BOT-BC162583
Clarkia
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54256
Plumas
About 2.5 miles southeast of Mt. Hough on the road to Quincy - Sierra Nevada
1798
Comment
CAS-BOT-BC162586
Clarkia
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54245
Plumas
About 3 miles southeast of Mt. Hough on the road to Quincy - Sierra Nevada
1737
Comment
CAS-BOT-BC164917
Clarkia rhomboidea
John Thomas Howell; Gordon H. True
1967-6-11
43289
Plumas
2.5 miles from Quincy Junction on road to Mt. Hough
1249
Comment
CAS-BOT-BC165921
Epilobium
John Thomas Howell
1959-9-21
34742
Plumas
Belden
701
Comment
CAS-BOT-BC165924
Epilobium
John Thomas Howell; H. Keith Wagnon
1980-5-26
53600
Plumas
Near Rich Bar, East Branch of Feather River North Fork
762
Comment
CAS-BOT-BC165925
Epilobium
John Thomas Howell; H. Keith Wagnon
1980-5-28
53711
Plumas
North Fork Feather River Canyon 4 miles northeast of Pulga Bridge
Comment
CAS-BOT-BC165928
Epilobium
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54166
Plumas
3.25 miles west of Round Valley Reservoir dam
1633
Comment
CAS-BOT-BC171676
Aralia californica
John Thomas Howell
1973-7-9
49704
Plumas
Near Indian Falls, Indian Creek, Sierra Nevada
914
Comment
CAS-BOT-BC171677
Aralia californica
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54290
Plumas
Moist seepage are on China Grade, 1.4 miles south of Taylorville, Sierra Nevada
1402
Comment
CAS-BOT-BC174301
Eremogone congesta var. suffrutescens
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54357
Plumas
Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Resrvoir
1584
Comment
CAS-BOT-BC17547
Athysanus pusillus
John Thomas Howell
1976-4-2
51572
Plumas
Sierra Nevada. 2 miles northwest of Spring Garden.
1173
Comment
CAS-BOT-BC175664
Viola
John Thomas Howell; Gordon H. True
1973-7-31
50105
Plumas
Summit ridge of Thompson Peak, Diamond Range
2194
Comment
CAS-BOT-BC175671
Viola lobata
John Thomas Howell
1977-6-21
s.n.
Plumas
Between Seneca and Butt Valley Reservoir
Comment
CAS-BOT-BC175687
Viola quercetorum
John Thomas Howell
1978-4-19
52854
Plumas
Eastern part of Quincy
1036
Comment
CAS-BOT-BC175854
Delphinium
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54391
Plumas
0.3 miles southwest of Bucks Summit on road to Bucks Lake
1645
Comment
CAS-BOT-BC176986
Salsola tragus
John Thomas Howell
1959-9-25
34997
Plumas
2 miles east of Portola
1484
Comment
CAS-BOT-BC177810
Cryptantha
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54247
Plumas
3 miles southeast of Mt. Hough on road to Quincy
1737
Comment
CAS-BOT-BC17934
Carex angustata
John Thomas Howell
1951-6-27
27604
Plumas
Sierra Nevada. McRae Meadow.
1981
Comment
CAS-BOT-BC179651
Delphinium
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54261
Plumas
About 2.5 miles southeast of Mt. Hough on the road to Quincy
1798
Comment
CAS-BOT-BC179653
Delphinium
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54154
Plumas
3.25 miles west of Round Valley Reservoir dam
1633
Comment
CAS-BOT-BC181462
Stellaria obtusa
John Thomas Howell
1960-7-21
35798
Plumas
Drakesbad, Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC182416
Cryptantha
John Thomas Howell; H. Keith Wagnon
1980-5-28
53699
Plumas
Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River
853
Comment
CAS-BOT-BC182424
Hackelia
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54263
Plumas
About 1.4 mi. SE of summit of Mt. Hough on road to [Qunicy] Quincy
1950
Comment
CAS-BOT-BC182435
Hackelia
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54279
Plumas
About 1.3 mi. southeast of summit of Mt. Hough on road to Quincy
2042
Comment
CAS-BOT-BC18348
Carex
John Thomas Howell
1962-6-16
37642
Plumas
Sierra Nevada. Feather River North Fork on road to Caribou.
731
Comment
CAS-BOT-BC18353
Carex
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54184
Plumas
Sierra Nevada. Long Valley at road to Maxwell Mine.
1633
Comment
CAS-BOT-BC18354
Carex
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54339
Plumas
Sierra Nevada. 2.8 miles north-northeast of Englemine on Diamond Mountain Road.
1341
Comment
CAS-BOT-BC18355
Carex
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54340
Plumas
Sierra Nevada. 2.8 miles north-northeast of Englemine on Diamond Mountain Road.
1341
Comment
CAS-BOT-BC18356
Carex
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54342
Plumas
Sierra Nevada. 2.8 miles north-northeast of Englemine on Diamond Mountain Road.
1341
Comment
CAS-BOT-BC18357
Carex
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54396
Plumas
Sierra Nevada. 0.3 miles southwest of Bucks Summit on road to Bucks Lake.
1645
Comment
CAS-BOT-BC18358
Carex
John Thomas Howell
1951-6-26
27535
Plumas
Sierra Nevada. Feather River Canyon.
853
Comment
CAS-BOT-BC18360
Carex
John Thomas Howell
1951-6-26
27535
Plumas
Sierra Nevada. Feather River Canyon.
853
Comment
CAS-BOT-BC18361
Carex
John Thomas Howell
1951-6-26
27536
Plumas
Sierra Nevada. Feather River Canyon.
853
Comment
CAS-BOT-BC18362
Carex
John Thomas Howell
1962-6-16
37643
Plumas
Sierra Nevada. Feather River North Fork on road to Caribou.
731
Comment
CAS-BOT-BC18365
Carex
John Thomas Howell; Gordon H. True
1973-7-31
50084
Plumas
Sierra Nevada. Diamond Range. Summit ridge of Thompson Peak.
2194
Comment
CAS-BOT-BC186221
Ribes roezlii var. roezlii
John Thomas Howell
1960-7-18
35555
Plumas
Drakesbad
1828
Comment
CAS-BOT-BC189309
Cryptantha
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54246
Plumas
About 3 miles SE of Mount Hough on the road to Quincy
1737
Comment
CAS-BOT-BC189310
Cryptantha
John Thomas Howell
1977-8-11
s.n.
Plumas
Little Last Chance Creek canyon, N of Chilcoot
1676
Comment
CAS-BOT-BC189590
Hackelia
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54257
Plumas
About 2.5 miles SE of Mount Hough on the road to Quincy
1798
Comment
CAS-BOT-BC190011
Cinna latifolia
John Thomas Howell
1960-7-22
35925
Plumas
Lassen Volcanic National Park. Along brook near Devil's Kitchen near Drakesbad.
1828
Comment
CAS-BOT-BC19729
Carex athrostachya
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54179
Plumas
Sierra Nevada. Long Valley at road to Maxwell Mine.
1633
Comment
CAS-BOT-BC198150
Deschampsia danthonioides
John Thomas Howell
1959-9-22
34875
Plumas
Lassen Park Ranger Staton on road from Chester to Drakesbad
1676
Comment
CAS-BOT-BC19867
Carex echinata subsp. echinata
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54383
Plumas
Sierra Nevada. 0.25 miles east of Bucks Summit on road to Quincy.
1670
Comment
CAS-BOT-BC199698
Trisetum canescens
John Thomas Howell
1960-7-24
35973
Plumas
Drakesbad
1828
Comment
CAS-BOT-BC200950
Lotus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54360
Plumas
Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Reservoir
1584
Comment
CAS-BOT-BC200951
Lotus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54359
Plumas
Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Reservoir
1584
Comment
CAS-BOT-BC200955
Lotus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54147
Plumas
2.65 miles west of Round Valley Reservoir dam
1569
Comment
CAS-BOT-BC204403
Elymus trachycaulus subsp. trachycaulus
John Thomas Howell
1960-7-18
35547
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC206505
Elymus glaucus subsp. glaucus
John Thomas Howell
1960-7-17
35493
Plumas
Drakesbad - Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC206507
Elymus glaucus subsp. glaucus
John Thomas Howell
1960-7-18
35608
Plumas
Drakesbad, near hot springs - Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC213137
Sidalcea
John Thomas Howell; Gordon H. True
1973-7-31
50142
Plumas
Road from Janesville to Thompson Peak, Diamond Range, Sierra Nevada
1905
Comment
CAS-BOT-BC213138
Sidalcea
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-22
54111
Plumas
10.6 miles northeast of La Porte on road to Quincy, Sierra Nevada
1889
Comment
CAS-BOT-BC213969
Amsinckia
John Thomas Howell; H. Keith Wagnon
1980-5-27
53680
Plumas
Quincy, Sierra Nevada
1051
Comment
CAS-BOT-BC219373
Nemophila
John Thomas Howell
1976-4-2
51573
Plumas
2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC21972
Carex heteroneura
John Thomas Howell
1960-7-22
35927
Plumas
Near Drakesbad. Dry meadow near Devil's Kitchen.
1828
Comment
CAS-BOT-BC220491
Monardella sheltonii
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54192
Plumas
1.9 miles north of Grays Flat on road to Long Valley
1249
Comment
CAS-BOT-BC222117
Monardella odoratissima subsp. pallida
John Thomas Howell; Gordon H. True; Wayne Dakan
1974-7-30
50639
Plumas
Headwaters of Indian Creek southeast of Diamond Mt.
2164
Comment
CAS-BOT-BC222812
Asclepias
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54318
Plumas
Near Englemine on Diamond Mt. road northeast of Taylorsville
1219
Comment
CAS-BOT-BC224544
Cuscuta californica
John Thomas Howell; G. D. Barbe; T. C. Fuller
1981-6-26
54407
Plumas
South end of Walker Plain near Buckeye. About 8 miles southwest of Bucks Lake on road to Oroville
1524
Comment
CAS-BOT-BC227724
Elymus elymoides
John Thomas Howell
1960-7-17
35495
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC228017
Plagiobothrys
John Thomas Howell
1926-7-24
2113
Plumas
Lake Almanor near Prattville
1371
Comment
CAS-BOT-BC228460
Plagiobothrys mollis
John Thomas Howell
1973-7-9
49708
Plumas
Crescent Mills
1066
Comment
CAS-BOT-BC230395
Navarretia leucocephala subsp. minima
John Thomas Howell
1977-8-11
52703
Plumas
At N end of Frenchmans Reservoir
1706
Comment
CAS-BOT-BC230959
Plagiobothrys hispidulus
John Thomas Howell
1960-7-21
35830 A
Plumas
Lassen Volcanic National Park. NW of Willow Lake
1706
Comment
CAS-BOT-BC230963
Plagiobothrys hispidulus
John Thomas Howell
1962-6-18
37819
Plumas
Sierra Valley, 5 miles S of Beckwourth
1493
Comment
CAS-BOT-BC231507
Nicotiana
John Thomas Howell
1977-8-11
52692
Plumas
At north end of Frenchmans Reservoir
1706
Comment
CAS-BOT-BC233726
Portulaca
John Thomas Howell
1961-9-24
36916
Plumas
Feather River bed SW of Beckwourth, Sierra Nevada
1487
Comment
CAS-BOT-BC24187
Arctostaphylos
John Thomas Howell; Gordon H. True
1967-5-8
42198
Plumas
Along the Forest Service road between Butterfly Valley proper and the Butterfly Botanical Area.
Comment
CAS-BOT-BC246067
Limosella aquatica
John Thomas Howell
1962-6-19
37859
Plumas
5.5 miles e. of Beckwourth, Sierra Nevada
1493
Comment
CAS-BOT-BC246068
Limosella aquatica
John Thomas Howell
1926-7-24
2111
Plumas
Strand of Lake Almanor near Prattville
1371
Comment
CAS-BOT-BC249008
Castilleja
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54220
Plumas
About 5 miles southeast of Mt. Hough on the road to Quincy
1584
Comment
CAS-BOT-BC25409
Boechera retrofracta
John Thomas Howell; Gordon H. True
1967-7-9
43249
Plumas
Sierra Nevada. North Fork of the Feather River at Caribou.
914
Comment
CAS-BOT-BC254611
Poa X limosa
John Thomas Howell
1962-6-18
37757
Plumas
Sierra Valley near Beckwourth, 2 miles W of Beckwourth on Highway to Portola
1487
Comment
CAS-BOT-BC254613
Poa X limosa
John Thomas Howell
1962-6-18
37756
Plumas
Sierra Valley near Beckwourth, 2 miles W of Beckwourth on Highway to Portola
1487
Comment
CAS-BOT-BC25586
Boechera retrofracta
John Thomas Howell
1974-9-20
50890
Plumas
Sierra Nevada. 7 miles from Quincy on road to Blairsden.
1097
Comment
CAS-BOT-BC25591
Boechera retrofracta
John Thomas Howell; Gordon H. True
1973-7-31
50115
Plumas
Sierra Nevada. Diamond Range. Summit range of Thompson Peak.
2194
Comment
CAS-BOT-BC25719
Boechera sparsiflora
John Thomas Howell; Gordon H. True
1973-7-31
50116
Plumas
Sierra Nevada. Diamond Range. Summit ridge of Thomspon Peak.
2194
Comment
CAS-BOT-BC261599
Eriogonum nudum var. nudum
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54314
Plumas
Near Englemine on Diamond Mt. road northeast of Taylorsville
1219
Comment
CAS-BOT-BC261603
Eriogonum nudum var. nudum
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54314
Plumas
Near Englemine on Diamond Mt. road northeast of Taylorsville
1219
Comment
CAS-BOT-BC264131
Eriogonum vimineum
John Thomas Howell
1955-7-19
30732
Plumas
Portola, west of town, Sierra Nevada
1478
Comment
CAS-BOT-BC264134
Eriogonum vimineum
John Thomas Howell
1959-9-26
35079
Plumas
5 mi. NE of Storrie, Sierra Nevada
609
Comment
CAS-BOT-BC264135
Eriogonum vimineum
John Thomas Howell
1951-6-29
27740
Plumas
Near Spring Garden
1219
Comment
CAS-BOT-BC264178
Melica subulata
John Thomas Howell
1960-7-20
35713
Plumas
Drakesbad, Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC266631
Pedicularis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54240
Plumas
About 3 miles SE of Mount Hough on the road to Quincy
1737
Comment
CAS-BOT-BC267055
Alisma
John Thomas Howell
1959-9-21
34815
Plumas
Indian Creek
914
Comment
CAS-BOT-BC267057
Alisma
John Thomas Howell
1959-9-26
35061
Plumas
Near Virgilia
838
Comment
CAS-BOT-BC267203
Potamogeton foliosus
John Thomas Howell
1926-7-24
2107
Plumas
Lake Almanor near Prattville
1371
Comment
CAS-BOT-BC267332
Eriogonum luteolum var. pedunculatum
John Thomas Howell
1959-9-21
34808
Plumas
Indian Creek Canyon, Sierra Nevada
914
Comment
CAS-BOT-BC267491
Eriogonum umbellatum
John Thomas Howell
1961-9-23
36863
Plumas
Indian Valley (E. side of valley)
1082
Comment
CAS-BOT-BC267501
Eriogonum umbellatum
John Thomas Howell
1951-6-29
27748
Plumas
Spring Garden Creek
1158
Comment
CAS-BOT-BC269720
Eriogonum nudum var. oblongifolium
John Thomas Howell
1959-9-24
34942
Plumas
Spanish Creek at mouth of Butterfly Creek
Comment
CAS-BOT-BC272085
Centaurea cyanus
John Thomas Howell
1951-6-26
27552
Plumas
Crescent Mills, Sierra Nevada
1066
Comment
CAS-BOT-BC275301
Muhlenbergia mexicana
John Thomas Howell
1959-9-21
34746
Plumas
Sand bars of Feather River, N Fork near Belden
701
Comment
CAS-BOT-BC278027
Cirsium cymosum
John Thomas Howell; R. C. Barneby
1954-5-14
29554
Plumas
Dilleker [Delleker], just west of Portola
1469
Comment
CAS-BOT-BC279027
Festuca rubra
John Thomas Howell
1960-7-23
35933
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC279028
Festuca rubra
John Thomas Howell
1960-7-23
35951
Plumas
Lassen Volcanic National Park. Near Soda Spring, Drakesbad
1828
Comment
CAS-BOT-BC283630
Schedonorus pratensis
John Thomas Howell
1960-7-18
35566
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC283876
Glyceria borealis
John Thomas Howell; Gordon H. True
1968-6-10
44558
Plumas
Quincy. Spanish Creek at Gansner Grove
1036
Comment
CAS-BOT-BC284416
Cirsium arvense
John Thomas Howell; Gordon H. True
1973-7-31
50138
Plumas
On road from Janesville to Thompson Peak, Diamond Range, Sierra Nevada
1905
Comment
CAS-BOT-BC284649
Hordeum brachyantherum subsp. brachyantherum
John Thomas Howell
1960-7-18
35511
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC285539
Cirsium occidentale var. candidissimum
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54205
Plumas
2.5 miles northeast of Quincy Junction on road to Mt. Hough
1280
Comment
CAS-BOT-BC286359
Cirsium scariosum
John Thomas Howell
1951-6-29
27736
Plumas
Near Spring Garden
1219
Comment
CAS-BOT-BC286360
Cirsium scariosum
John Thomas Howell
1951-6-29
27736
Plumas
Near Spring Garden
Comment
CAS-BOT-BC286361
Cirsium scariosum
John Thomas Howell
1951-6-29
27736
Plumas
Near Spring Garden
Comment
CAS-BOT-BC286449
Cirsium scariosum
John Thomas Howell
1960-7-24
35981
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC286667
Ericameria bloomeri
John Thomas Howell
1960-8-20
36282
Plumas
Near Lassen Volcanic National Park. Kelly Camp, near Drakesbad
1615
Comment
CAS-BOT-BC287206
Cota tinctoria
John Thomas Howell
1960-7-24
35995
Plumas
Chester
1371
Comment
CAS-BOT-BC28735
Achillea millefolium
J. T. Howell
1959-9-24
34948
Plumas
American Valley near Quincy
1051
Comment
CAS-BOT-BC294313
Ericameria nauseosa var. speciosa
John Thomas Howell
1960-7-24
35991
Plumas
Kelly Camp, just south of Lassen Park
1615
Comment
CAS-BOT-BC295487
Erigeron lassenianus var. lassenianus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54203
Plumas
2.5 miles northeast of Quincy Junction on road to Mt. Hough
1280
Comment
CAS-BOT-BC295996
Erigeron divergens
John Thomas Howell
1977-8-11
52673
Plumas
Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir, Sierra Nevada
1676
Comment
CAS-BOT-BC29833
Adenocaulon bicolor
John Thomas Howell
1960-7-21
35835
Plumas
NW of Willow Lake
1706
Comment
CAS-BOT-BC300400
Erigeron eatonii var. plantagineus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54347
Plumas
4.8 miles northwest of Antelope Reservoir
1661
Comment
CAS-BOT-BC300401
Erigeron eatonii var. plantagineus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54347
Plumas
4.8 miles northwest of Antelope Reservoir
1661
Comment
CAS-BOT-BC300402
Erigeron eatonii var. plantagineus
John Thomas Howell; H. Keith Wagnon
1980-5-27
53620
Plumas
1 mile west of Almanor
1386
Comment
CAS-BOT-BC303819
Gnaphalium
John Thomas Howell
1976-7-14
51819
Plumas
Feather River Canyon Highway at Injun Jim Campground
609
Comment
CAS-BOT-BC303821
Gnaphalium
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54119
Plumas
Quincy
1036
Comment
CAS-BOT-BC304683
Grindelia squarrosa
John Thomas Howell
1974-9-20
50907
Plumas
Chilcoot
1554
Comment
CAS-BOT-BC305544
Helianthus bolanderi
John Thomas Howell
1959-9-21
34828
Plumas
Greenville
1088
Comment
CAS-BOT-BC305545
Helianthus bolanderi
John Thomas Howell
1959-9-21
34828
Plumas
Greenville
1088
Comment
CAS-BOT-BC307382
Gnaphalium palustre
John Thomas Howell
1977-8-11
52714
Plumas
Frenchmans Reservoir on est side near Big Cove, Sierra Nevada
1706
Comment
CAS-BOT-BC310542
Eurybia integrifolia
John Thomas Howell
1960-7-21
35794
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC310593
Eurybia radulina
John Thomas Howell
1961-9-23
36817
Plumas
Greenville
1088
Comment
CAS-BOT-BC311019
Heterotheca oregona
John Thomas Howell
1959-9-26
35077
Plumas
5 miles northeast of Storrie
609
Comment
CAS-BOT-BC312257
Euthamia occidentalis
John Thomas Howell
1959-9-21
34750
Plumas
N. Fk. Feather River near Belden, Sierra Nevada
701
Comment
CAS-BOT-BC314800
Helianthella californica var. nevadensis
John Thomas Howell
1975-6-16
51142
Plumas
2 miles northwest of Spring Garde, Sierra Nevada
1173
Comment
CAS-BOT-BC314801
Helianthella californica var. nevadensis
John Thomas Howell; H. Keith Wagnon
1980-5-28
53697
Plumas
Near Twain, East Branch North Fork Feather River, Sierra Nevada
914
Comment
CAS-BOT-BC316036
Hieracium scouleri
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54211
Plumas
About 5 miles southeast of Mt. Hough on the road to Quincy, Sierra Nevada
1584
Comment
CAS-BOT-BC317162
Packera subnuda var. subnuda
John Thomas Howell; Gordon H. True; W. Knight; Irja Knight
1967-5-7
1877
Plumas
Butterfly Valley
1036
Comment
CAS-BOT-BC318521
Hieracium bolanderi
John Thomas Howell
1951-6-28
27716
Plumas
Eureka Peak
2255
Comment
CAS-BOT-BC32068
Carex multicaulis
John Thomas Howell; Gordon H. True
1967-5-7
42185
Plumas
Injin Jim Campground at confluence of Granite Creek and North Fork of Feather River.
609
Comment
CAS-BOT-BC32074
Carex multicaulis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54223
Plumas
Ca 5 miles SE of Mt. Hough on the road to Quincy.
1584
Comment
CAS-BOT-BC337875
Lapsana communis
John Thomas Howell
1974-9-19
50887
Plumas
Quincy
1036
Comment
CAS-BOT-BC340352
Kyhosia bolanderi
John Thomas Howell
1960-7-23
35940
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC340599
Lactuca serriola
John Thomas Howell
1955-7-19
30741
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC341571
Lagophylla ramosissima
John Thomas Howell
1961-9-25
36965
Plumas
Vinton
1506
Comment
CAS-BOT-BC341574
Lagophylla ramosissima
John Thomas Howell
1951-6-29
27738
Plumas
Near Spring Garden
1219
Comment
CAS-BOT-BC342083
Leucanthemum vulgare
John Thomas Howell
1961-6-21
36653
Plumas
Greenville
1097
Comment
CAS-BOT-BC342086
Leucanthemum vulgare
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1969-6-24
2451
Plumas
Butterfly Botanical Area and Vicinity. Vicinity of mouth of Butterfly Creek
883
Comment
CAS-BOT-BC342865
Madia glomerata
John Thomas Howell
1959-9-22
34848
Plumas
Drakesbad
1737
Comment
CAS-BOT-BC342870
Madia glomerata
John Thomas Howell
1959-9-25
35034
Plumas
3 miles southwest of Spring Garden
Comment
CAS-BOT-BC343248
Madia gracilis
John Thomas Howell
1951-6-29
27744
Plumas
Near Spring Garden
1219
Comment
CAS-BOT-BC343267
Madia gracilis
John Thomas Howell; H. Keith Wagnon
1980-5-28
53693
Plumas
Near Twain, East Branch North Fork Feather River
914
Comment
CAS-BOT-BC343282
Madia gracilis
John Thomas Howell; Gordon H. True
1967-7-9
43246
Plumas
North Fork of Feather River at Caribou
914
Comment
CAS-BOT-BC347522
Malacothrix floccifera
J. T. Howell
1959-9-21
s.n.
Plumas
Slaty road-cut Feather R. Canyon at East Branch
Comment
CAS-BOT-BC348170
Matricaria discoidea
John Thomas Howell
1959-9-26
35046
Plumas
Near Keddie
1005
Comment
CAS-BOT-BC348171
Matricaria discoidea
John Thomas Howell
1955-7-19
30801
Plumas
Vinton
1505
Comment
CAS-BOT-BC348172
Matricaria discoidea
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1967-6-12
1979
Plumas
Butterfly Botanical Area and Vicinity. In valley proper near barn
1036
Comment
CAS-BOT-BC348173
Matricaria discoidea
John Thomas Howell
1960-7-19
35666
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC349920
Nothocalais troximoides
John Thomas Howell
1962-6-18
37809
Plumas
Sierra Valley 5 mi. s. of Beckwourth
1493
Comment
CAS-BOT-BC355574
Oreostemma alpigenum var. andersonii
John Thomas Howell
1960-7-23
35964
Plumas
Lassen Volcanic National Park. Dream Lake, Drakesbad
1828
Comment
CAS-BOT-BC35579
Scirpus congdonii
John Thomas Howell
1959-9-23
s.n.
Plumas
3 miles from Juniper Lake on road to Chester
1889
Comment
CAS-BOT-BC356964
Pseudognaphalium canescens
John Thomas Howell
1976-7-16
51918
Plumas
Just east of Bucks Summit on road to Meadow Valley
1645
Comment
CAS-BOT-BC357348
Pseudognaphalium microcephalum
John Thomas Howell
1966-7-26
42000
Plumas
Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River
609
Comment
CAS-BOT-BC357349
Pseudognaphalium microcephalum
John Thomas Howell
1951-8-19
28173
Plumas
Near Paxton
914
Comment
CAS-BOT-BC361483
Pseudognaphalium stramineum
John Thomas Howell
1959-9-21
34794
Plumas
Virgilia
841
Comment
CAS-BOT-BC361677
Pseudognaphalium thermale
John Thomas Howell
1961-9-23
36892
Plumas
Englemine [Engel Mine]
1097
Comment
CAS-BOT-BC361679
Pseudognaphalium thermale
John Thomas Howell
1974-9-20
50892
Plumas
7 miles from Quincy on road to Blairsden
1097
Comment
CAS-BOT-BC361686
Psilocarphus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54207
Plumas
2.5 miles northeast of Quincy Junction on road to Mt. Hough
1280
Comment
CAS-BOT-BC362001
Psilocarphus tenellus
John Thomas Howell
1962-6-18
37761
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC362284
Pyrrocoma lanceolata var. lanceolata
John Thomas Howell
1975-7-22
51379 A
Plumas
Sierra Valley near Beckwourth
1493
Comment
CAS-BOT-BC362285
Pyrrocoma lanceolata var. lanceolata
John Thomas Howell; Gordon H. True
1967-7-11
43297
Plumas
2.5 miles from Quincy Junction on road to Mt. Hough
1249
Comment
CAS-BOT-BC36256
Chrysolepis sempervirens
John Thomas Howell
1960-7-20
35783
Plumas
Between Boiling Springs Lake and Summit lake and Terminal Geyser, Lassen Volcanic National Park
1859
Comment
CAS-BOT-BC363066
Rigiopappus leptocladus
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-6-12
1988
Plumas
Butterfly Botanical Area and Vicinity. Valley proper, near barn
1036
Comment
CAS-BOT-BC363726
Senecio hydrophilus
John Thomas Howell
1959-9-24
34951
Plumas
Spanish Valley near Quincy
1051
Comment
CAS-BOT-BC37240
Cardamine breweri
John Thomas Howell
1960-7-21
35855
Plumas
Lassen Volcanic National Park. Northwest of Willow Lake.
1676
Comment
CAS-BOT-BC374401
Sonchus asper
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1968-6-11
2369
Plumas
Canyon of Butterfly Creek between Spanish Creek and Butterfly Valley
Comment
CAS-BOT-BC374403
Sonchus asper
John Thomas Howell; H. Keith Wagnon
1980-5-26
53587
Plumas
Lewisia Rock, Feather River Canyon 3.5 miles southwest of Belden
609
Comment
CAS-BOT-BC374666
Sonchus oleraceus
John Thomas Howell
1951-6-29
27755
Plumas
Feather River Canyon
548
Comment
CAS-BOT-BC375617
Stephanomeria lactucina
John Thomas Howell
1951-6-27
27561
Plumas
Johnsville
1584
Comment
CAS-BOT-BC375632
Stephanomeria lactucina
John Thomas Howell
1960-7-19
35681
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC376842
Tanacetum vulgare
John Thomas Howell
1961-9-23
36822
Plumas
Greenville
1088
Comment
CAS-BOT-BC376960
Taraxacum officinale
John Thomas Howell
1978-4-19
52859
Plumas
Eastern part of Quincy
1036
Comment
CAS-BOT-BC376961
Taraxacum officinale
John Thomas Howell
1961-6-21
36692
Plumas
Greenville
1097
Comment
CAS-BOT-BC376963
Taraxacum officinale
John Thomas Howell; H. Keith Wagnon
1980-5-27
53630
Plumas
About 1.5 miles northwest of Almanor (near intersection of Highway 89 and Humboldt Road)
1389
Comment
CAS-BOT-BC377045
Tragopogon
John Thomas Howell
1955-7-19
30736
Plumas
Portola
1478
Comment
CAS-BOT-BC377046
Tragopogon
John Thomas Howell
1959-9-21
34827
Plumas
Greenville
1088
Comment
CAS-BOT-BC377047
Tragopogon
John Thomas Howell
1955-7-20
30838
Plumas
Mohawk
1371
Comment
CAS-BOT-BC377048
Tragopogon
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54125
Plumas
Quincy
1036
Comment
CAS-BOT-BC377090
Tragopogon dubius
John Thomas Howell
1951-6-29
27737
Plumas
Near Spring Garden
1219
Comment
CAS-BOT-BC377091
Tragopogon dubius
John Thomas Howell
1977-8-11
52672
Plumas
Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir
1676
Comment
CAS-BOT-BC377093
Tragopogon dubius
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
2165
Plumas
Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek
883
Comment
CAS-BOT-BC377168
Tragopogon pratensis
John Thomas Howell
1962-6-17
37647
Plumas
Greenville
1097
Comment
CAS-BOT-BC377169
Tragopogon pratensis
John Thomas Howell
1951-6-28
27643
Plumas
Johnsville
1584
Comment
CAS-BOT-BC378928
Ranunculus bulbosus
John Thomas Howell
1975-6-15
51128
Plumas
Sierra Nevada, Quincy
488
Comment
CAS-BOT-BC379214
Ranunculus aquatilis
John Thomas Howell
1977-8-11
5690
Plumas
canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir, in creek
1707
Comment
CAS-BOT-BC379215
Ranunculus aquatilis
John Thomas Howell
1963-6-4
39404
Plumas
Marble Hot Springs, Sierra Valley
Comment
CAS-BOT-BC379246
Ranunculus aquatilis var. diffusus
John Thomas Howell
1960-7-23
35970
Plumas
Lassen Volcanic National Park, Drakesbad, Dream Lake
1829
Comment
CAS-BOT-BC379369
Ranunculus alismifolius var. alismifolius
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-22
54105
Plumas
10.6 mi northeast of La Porte on road to Quincy
1890
Comment
CAS-BOT-BC38092
Cardamine pachystigma
John Thomas Howell; Gordon H. True
1967-5-9
42217
Plumas
Sierra Nevada. Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon.
609
Comment
CAS-BOT-BC38093
Cardamine pachystigma
John Thomas Howell; Gordon H. True
1967-5-9
42217
Plumas
Sierra Nevada. Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon.
609
Comment
CAS-BOT-BC383543
Wyethia mollis
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-6-12
1991
Plumas
Butterfly Botanical Area and Vicinity. Valley proper, near barn
1082
Comment
CAS-BOT-BC383647
Xanthium spinosum
John Thomas Howell; H. Keith Wagnon
1980-5-27
53683
Plumas
Quincy
1051
Comment
CAS-BOT-BC384432
Silene coronaria
John Thomas Howell
1966-7-28
42006
Plumas
5 miles north of Quincy on road to Keddie
Comment
CAS-BOT-BC384933
Cerastium arvense
John Thomas Howell
1961-9-22
36792
Plumas
At Lewisia Rock, North Fork of Feather River
640
Comment
CAS-BOT-BC388191
Cerastium fontanum
John Thomas Howell
1960-7-19
35612
Plumas
Lassen Volcanic National Park. Near buildings, Drakesbad
1828
Comment
CAS-BOT-BC388204
Cerastium fontanum subsp. vulgare
John Thomas Howell
1976-7-15
51829
Plumas
Quincy
1051
Comment
CAS-BOT-BC388205
Cerastium fontanum subsp. vulgare
John Thomas Howell
1951-6-28
27673
Plumas
Jamison Creek
1584
Comment
CAS-BOT-BC388356
Cerastium glomeratum
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-6-12
1994
Plumas
Butterfly Botanical Area and Vicinity. Valley proper, near barn
1036
Comment
CAS-BOT-BC388597
Minuartia douglasii
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1968-6-11
2349
Plumas
Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek
Comment
CAS-BOT-BC390071
Spergularia atrosperma
John Thomas Howell
1951-8-20
28234 A
Plumas
3 miles east of Beckwourth, Sierra Valley
1524
Comment
CAS-BOT-BC390072
Spergularia atrosperma
John Thomas Howell
1961-9-24
36909
Plumas
Feather River bed southwest of Beckwourth
1487
Comment
CAS-BOT-BC390682
Spergularia rubra
John Thomas Howell
1960-7-19
35615
Plumas
Lassen Volcanic National Park. Near buildings, Drakesbad
1828
Comment
CAS-BOT-BC390684
Spergularia rubra
John Thomas Howell; Gordon H. True
1974-7-29
50624
Plumas
Quincy
1036
Comment
CAS-BOT-BC390685
Spergularia rubra
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1967-6-12
1982
Plumas
Butterfly Botanical Area and Vicinity. Near barn in valley proper
1036
Comment
CAS-BOT-BC391474
Aconitum columbianum subsp. columbianum
John Thomas Howell; Gordon H. True; Wayne Dakan
1974-7-30
50633
Plumas
Headwaters of Indian Creek south of Diamond Mountain
2103
Comment
CAS-BOT-BC392270
Myosurus apetalus
John Thomas Howell; H. Keith Wagnon
1980-5-27
53614
Plumas
1 mile west of Almanor
1386
Comment
CAS-BOT-BC392418
Thalictrum fendleri
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
s.n.
Plumas
About 4 miles southeast of Mt. Hough on the road to Quincy
1645
Comment
CAS-BOT-BC392419
Thalictrum fendleri
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
s.n.
Plumas
About 4 miles southeast of Mt. Hough on the road to Quincy
1645
Comment
CAS-BOT-BC393827
Stellaria media
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-10
1795
Plumas
Near barn in valley proper, Butterfly Botanical Area and vicinity
1036
Comment
CAS-BOT-BC393829
Stellaria media
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-5-8
1795
Plumas
Butterfly Canyon, Butterfly Botanical Area and vicinity
975
Comment
CAS-BOT-BC393830
Stellaria media
John Thomas Howell; Gordon H. True
1974-7-29
50621
Plumas
Quincy
1036
Comment
CAS-BOT-BC400625
Asarum hartwegii
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54324
Plumas
1.4 miles north-northeast of Englemine on Diamond Mt. Road
1295
Comment
CAS-BOT-BC401585
Drosera rotundifolia
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1968-6-11
2389
Plumas
In Butterfly Valley
Comment
CAS-BOT-BC403930
Urtica dioica subsp. gracilis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54331
Plumas
2.8 miles north-northeast of Englemine [Engel Mine] on Diamond Mt. Road
1341
Comment
CAS-BOT-BC404196
Urtica dioica subsp. holosericea
John Thomas Howell
1961-9-23
36886
Plumas
Near Englemine
1097
Comment
CAS-BOT-BC404199
Urtica dioica subsp. holosericea
John Thomas Howell
1960-7-20
35717
Plumas
Lassen Volcanic National Park. Near corral, Drakesbad
1828
Comment
CAS-BOT-BC407701
Arceuthobium americanum
John Thomas Howell
1959-9-22
34866
Plumas
at Drakesbad
1737
Comment
CAS-BOT-BC407711
Arceuthobium abietinum
John Thomas Howell
1926-7-25
2115
Plumas
near Prattville
1463
Comment
CAS-BOT-BC407730
Arceuthobium abietinum
John Thomas Howell
1960-7-20
35784
Plumas
between Boiling Springs Lake and Ternimal Geyser
1859
Comment
CAS-BOT-BC409919
Arceuthobium campylopodum
John Thomas Howell; Gordon H. True
1967-7-11
43373
Plumas
2 miles SE of Mt. Hough
1828
Comment
CAS-BOT-BC413730
Persicaria hydropiper
John Thomas Howell
1961-9-23
36847
Plumas
Indian Valley
1082
Comment
CAS-BOT-BC413731
Persicaria hydropiper
John Thomas Howell
1959-9-26
35071
Plumas
Feather River Canyon. Ca. 1.5 mi. W. of Belden
682
Comment
CAS-BOT-BC413890
Fallopia convolvulus
John Thomas Howell
1951-8-19
28195
Plumas
Greenville
1097
Comment
CAS-BOT-BC413891
Fallopia convolvulus
John Thomas Howell
1955-7-20
30860
Plumas
Mohawk
1371
Comment
CAS-BOT-BC414047
Polygonum aviculare subsp. aviculare
John Thomas Howell
1955-7-19
30761
Plumas
Beckwourth
1493
Comment
CAS-BOT-BC414048
Polygonum aviculare subsp. aviculare
John Thomas Howell
1951-8-19
28191
Plumas
Greenville
1097
Comment
CAS-BOT-BC414220
Polygonum aviculare subsp. depressum
John Thomas Howell
1961-9-22
36808
Plumas
Greenville
1088
Comment
CAS-BOT-BC414221
Polygonum aviculare subsp. depressum
John Thomas Howell
1959-9-22
34863
Plumas
Drakesbad
1737
Comment
CAS-BOT-BC414311
Polygonum aviculare subsp. neglectum
John Thomas Howell; Gordon H. True
1967-7-12
43382
Plumas
Twain
883
Comment
CAS-BOT-BC414552
Polygonum douglasii
John Thomas Howell
1974-9-20
50889
Plumas
7 miles from Quincy on road to Blairsden
1097
Comment
CAS-BOT-BC418394
Sedum
John Thomas Howell; H. Keith Wagnon
1980-5-28
53703
Plumas
Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River
853
Comment
CAS-BOT-BC418398
Sedum plumasanum
John Thomas Howell; Arthur Menzies
1963-6-2
39384
Plumas
On serpentine along highway just east of Rich Bar
Comment
CAS-BOT-BC419041
Persicaria lapathifolia
John Thomas Howell
1959-9-26
35072
Plumas
Feather River Canyon. Ca. 1.5 mi. w. of Belden
682
Comment
CAS-BOT-BC419237
Persicaria maculosa
John Thomas Howell
1959-9-24
34929
Plumas
Junction of Indian and Spanish Creeks
914
Comment
CAS-BOT-BC419238
Persicaria maculosa
John Thomas Howell
1924-8-11
623
Plumas
2 miles from Chester on road to Westwood
1310
Comment
CAS-BOT-BC419240
Persicaria maculosa
John Thomas Howell
1961-9-22
36798
Plumas
Bed of Wolf Creek, Greenville
1088
Comment
CAS-BOT-BC420057
Polygonum polygaloides subsp. kelloggii
John Thomas Howell
1962-6-19
37865 A
Plumas
Sierra Valley, 5.8 miles e. of Beckwourth
1493
Comment
CAS-BOT-BC420650
Darmera peltata
John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True
1968-6-11
2360
Plumas
Butterfly Botanical Area. Growing on rocks in Butterfly Creek at confluence of Spanish Creek..
1036
Comment
CAS-BOT-BC42089
Arctostaphylos patula
John Thomas Howell
1976-4-2
51580
Plumas
Near Spring Garden
1219
Comment
CAS-BOT-BC421706
Rumex britannica
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1968-6-11
2394
Plumas
Area of east side of Butterfly Valley.
Comment
CAS-BOT-BC422038
Rumex acetosella
John Thomas Howell
1960-7-21
35800
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC422167
Rumex californicus
John Thomas Howell
1973-7-9
49714
Plumas
Crescent Mills
1066
Comment
CAS-BOT-BC426316
Chenopodium incognitum
John Thomas Howell
1955-7-19
30768
Plumas
Sierra Nevada: Bechwourth
1493
Comment
CAS-BOT-BC43035
Descurainia incisa subsp. incisa
John Thomas Howell; Gordon H. True; Wayne Dakan
1974-7-30
50640
Plumas
Sierra Nevada. Headwaters of Indian Creek southeast of Diamond Mountain.
2164
Comment
CAS-BOT-BC433197
Rubus flagellaris
John Thomas Howell
1961-9-23
36839
Plumas
Indian Valley
1082
Comment
CAS-BOT-BC433760
Rumex pulcher
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1968-6-11
2358
Plumas
Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek.
Comment
CAS-BOT-BC436598
Luzula cascadensis
John Thomas Howell
1960-7-18
35506
Plumas
Lassen Volcanic National Park: Drakesbad
1828
Comment
CAS-BOT-BC436599
Luzula cascadensis
John Thomas Howell
1962-6-17
37648
Plumas
Sierra Nevada: Butterfly Valley
1036
Comment
CAS-BOT-BC436675
Luzula comosa var. laxa
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-22
54098
Plumas
Sierra Nevada: 10.6 miles NE of La Porte on road to Quincy
1889
Comment
CAS-BOT-BC438484
Calandrinia ciliata
John Thomas Howell; H. Keith Wagnon
1980-5-27
53631
Plumas
About 1.5 miles northwest of Almanor (near intersection of Highway 89 and Humboldt Road)
1389
Comment
CAS-BOT-BC438485
Calandrinia ciliata
John Thomas Howell; Gordon H. True
1967-6-11
42577
Plumas
At Quincy.
1036
Comment
CAS-BOT-BC438487
Calandrinia ciliata
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1967-5-7
1840
Plumas
West edge of Butterfly Valley proper.
1066
Comment
CAS-BOT-BC439878
Claytonia perfoliata
John Thomas Howell
1978-4-19
52857
Plumas
Eastern part of Quincy
1036
Comment
CAS-BOT-BC441253
Luzula macrantha
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-6-12
2087
Plumas
Butterfly Botanical Area and vicinity: area near spring
1127
Comment
CAS-BOT-BC441255
Luzula macrantha
John Thomas Howell; Gordon True
1968-6-10
44560
Plumas
Sierra Nevada: Quincy, hill just N of Gansner Park
1036
Comment
CAS-BOT-BC441256
Luzula macrantha
John Thomas Howell
1961-6-21
36634
Plumas
Sierra Nevada: Greenville
1097
Comment
CAS-BOT-BC443639
Claytonia perfoliata subsp. perfoliata
John Thomas Howell
1978-4-19
s.n.
Plumas
Dyson Lane, southwest of Vinton, Sierra Valley.
Comment
CAS-BOT-BC443796
Claytonia rubra subsp. rubra
John Thomas Howell
1960-7-18
35575
Plumas
Lassen Volcanic National Park. Drakesbad
1828
Comment
CAS-BOT-BC444178
Lewisia nevadensis
John Thomas Howell; H. Keith Wagnon
1980-5-27
53625
Plumas
About 1.5 miles northwest of Almanor (near intersection of Highway 89 and Humboldt Road)
1389
Comment
CAS-BOT-BC444563
Lewisia triphylla
John Thomas Howell
1960-7-22
35920
Plumas
Lassen Volcanic National Park. Devil's Kitchen to Drakesbad
1828
Comment
CAS-BOT-BC445091
Montia linearis
John Thomas Howell
1978-4-19
52856
Plumas
Eastern part of Quincy
1036
Comment
CAS-BOT-BC445093
Montia linearis
John Thomas Howell; Gordon H. True
1967-6-11
42576
Plumas
Meadow at Quincy
1036
Comment
CAS-BOT-BC445273
Portulaca oleracea
John Thomas Howell
1966-7-29
42032
Plumas
Quincy
1036
Comment
CAS-BOT-BC445536
Damasonium californicum
John Thomas Howell
1926-7-30
2161
Plumas
Near Prattville
1371
Comment
CAS-BOT-BC445680
Sagittaria cuneata
John Thomas Howell
1926-7-24
2109
Plumas
Lake Almanor near Prattville
1371
Comment
CAS-BOT-BC447457
Tellima grandiflora
John Thomas Howell
1975-6-15
51124
Plumas
North Fork Feather River near Storrie
548
Comment
CAS-BOT-BC451341
Chimaphila menziesii
John Thomas Howell
1960-7-22
35895
Plumas
Lassen Volcanic National Park, Devil's Kitche3n to Drakesbad
1828
Comment
CAS-BOT-BC453560
Pterospora andromedea
John Thomas Howell
1960-7-21
35836 A
Plumas
Lassen Volcanic National Park: NW of Willow Lake
1706
Comment
CAS-BOT-BC453561
Pterospora andromedea
John Thomas Howell
1960-7-20
35780
Plumas
Lassen Volcanic National Park: Between Boiling Springs Kale and Terminal Geyer
1859
Comment
CAS-BOT-BC453676
Potamogeton gramineus
John Thomas Howell
1926-7-24
2108
Plumas
Lake Almanor, near Prattville
1371
Comment
CAS-BOT-BC457542
Aphanes occidentalis
J. T. Howell; Walter Knight; Irja Knight; G. H. True
1967-5-7
2228 D.
Plumas
Butterfly Botanical Area and Vicinity; open flat near Pond Reservoir.
1097
Comment
CAS-BOT-BC458186
Pleuricospora fimbriolata
John Thomas Howell
1977-6-20
52372
Plumas
Sierra Nevada: Lake Almanor Peninsula
1371
Comment
CAS-BOT-BC459217
Euthamia occidentalis
John Thomas Howell
1961-9-23
36819
Plumas
Sierra Nevada: Greenville
1088
Comment
CAS-BOT-BC459424
Allium acuminatum
John Thomas Howell; Gordon H. True
1967-7-11
43295
Plumas
2.5 miles from Quincy Junction on road to Mt. Hough, Sierra Nevada
1249
Comment
CAS-BOT-BC459425
Allium acuminatum
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54204
Plumas
2.5 miles northeast of Quincy Junction on road to Mt. Hough, Sierra Nevada
1280
Comment
CAS-BOT-BC459443
Fragaria virginiana subsp. platypetala
John Thomas Howell
1960-7-19
35640
Plumas
Drakesbad, Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC460824
Pyrola aphylla
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54226
Plumas
Sierra Nevada: abuot 5 miles SE of Mt. Hough on the road to Quincy
1584
Comment
CAS-BOT-BC460825
Pyrola aphylla
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1968-6-11
2412
Plumas
Sierra Nevada: Butterfly Botanical Area. Beargrass glade
Comment
CAS-BOT-BC461211
Fragaria
John Thomas Howell; H. Keith Wagnon
1980-5-27
53634
Plumas
About 2 miles NW of Almanor
1389
Comment
CAS-BOT-BC462899
Pyrola asarifolia
John Thomas Howell
1963-6-3
39398
Plumas
Sierra Nevada, Butterfly Valley
Comment
CAS-BOT-BC462901
Pyrola picta
John Thomas Howell
1960-7-14
35695
Plumas
Lassen Volcanic National Park: Drakesbad
1828
Comment
CAS-BOT-BC466218
Sarcodes sanguinea
John Thomas Howell
1960-7-21
35824
Plumas
Lassen Volcanic National Park, near Terminal Geyser
1798
Comment
CAS-BOT-BC466612
Allium campanulatum
John Thomas Howell
1961-6-21
36663
Plumas
Greenville
1097
Comment
CAS-BOT-BC466613
Allium campanulatum
John Thomas Howell
1960-7-18
35604
Plumas
Dry rocky slope near hot springs, Drakesbad
1828
Comment
CAS-BOT-BC466614
Allium campanulatum
John Thomas Howell
1960-7-19
35634
Plumas
Wooded meadow border, Drakesbad
1828
Comment
CAS-BOT-BC466615
Allium campanulatum
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54224
Plumas
About 5 miles southeast of Mt. Hough on the road to Quincy
1584
Comment
CAS-BOT-BC466617
Allium campanulatum
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1969-6-24
2432
Plumas
Vicinity of mouth of Butterfly Creek
883
Comment
CAS-BOT-BC466618
Allium campanulatum
John Thomas Howell; Walter Knight; Irja Knight; Gordon True
1967-7-10
2101
Plumas
Between Butterfly Valley and Darlingtonia bog
1066
Comment
CAS-BOT-BC471264
Cardamine cordifolia
John Thomas Howell; Gordon H. True; Wayne Dakan
1974-7-30
50635
Plumas
Sierra Nevada. Headwaters of Indian Creek SE of Diamond Mt.
2164
Comment
CAS-BOT-BC472959
Allium lemmonii
John Thomas Howell
1962-6-18
37819 A
Plumas
Sierra Valley, 5 miles S of Beckwourth on road to Sierraville; Sierra Nevada
Comment
CAS-BOT-BC472960
Allium lemmonii
John Thomas Howell
1962-6-18
37767
Plumas
Sierra Valley near Beckwourth; Sierra Nevada
1487
Comment
CAS-BOT-BC474060
Allium parvum
John Thomas Howell; R. C. Barneby
1954-5-14
29557
Plumas
2 miles east of Blairsden, Sierra Nevada
1493
Comment
CAS-BOT-BC478470
Boisduvalia
John Thomas Howell
1976-7-16
51889
Plumas
Hydraulic mining gravels on flood plain of Spanish Creek at mouth of Wapaunsie Creek
1097
Comment
CAS-BOT-BC478471
Boisduvalia
John Thomas Howell
1961-9-25
36946
Plumas
Feather River bed, Portola
1478
Comment
CAS-BOT-BC478473
Boisduvalia
John Thomas Howell
1976-7-16
51890
Plumas
Hydraulic mining gravels on flood plain of Spanish Creek at mouth of Wapaunsie Creek
1097
Comment
CAS-BOT-BC478511
Gayophytum
John Thomas Howell; Gordon H. True
1973-7-31
500096
Plumas
Canadian Zone forest, summit ridge of Thompson Peak in areas of volcanic rock, Diamond Range
2194
Comment
CAS-BOT-BC478523
Gayophytum
John Thomas Howell
1976-7-16
51903
Plumas
Flood plain of Spanish Creek at mouth of Wapaunsie Creek
1097
Comment
CAS-BOT-BC478529
Gayophytum
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54405
Plumas
Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville
1554
Comment
CAS-BOT-BC47863
Ceanothus cordulatus
John Thomas Howell
1960-7-20
35741
Plumas
Lassen Volcanic Nat'l Park, Boiling Springs Lake
1798
Comment
CAS-BOT-BC487771
Calochortus coeruleus
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54285
Plumas
About 1.3 miles southeast of Mt. Hough on the road to Quincy, Sierra Nevada
2042
Comment
CAS-BOT-BC491826
Calochortus leichtlinii
John Thomas Howell
1951-6-27
27560
Plumas
Johnsville
1584
Comment
CAS-BOT-BC491827
Calochortus leichtlinii
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54358
Plumas
Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Reservoir
1584
Comment
CAS-BOT-BC491834
Calochortus leichtlinii
John Thomas Howell
1962-6-18
37768
Plumas
Sirra Valley near Beckwourth
1487
Comment
CAS-BOT-BC491835
Calochortus leichtlinii
John Thomas Howell
1967-7-11
43310
Plumas
About 3 miles southeast of Mt. Hough
1706
Comment
CAS-BOT-BC496985
Camassia leichtlinii subsp. suksdorfii
John Thomas Howell
1967-6-23
42713
Plumas
Butterfly Valley
1066
Comment
CAS-BOT-BC497559
Camassia quamash subsp. breviflora
John Thomas Howell
1960-7-23
35957
Plumas
Plants of Lassen Volcanic National Park, near Soda Springs, Drakesbad
1828
Comment
CAS-BOT-BC499834
Orobanche corymbosa subsp. mutabilis
John Thomas Howell
1977-8-11
52696
Plumas
Sierra Nevada: N end of Frenchmans Reservoir
1706
Comment
CAS-BOT-BC502163
Dichelostemma congestum
John Thomas Howell
1960-7-22
35928
Plumas
Near Devil's Kitchen, near Drakesbad; Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC502164
Dichelostemma congestum
John Thomas Howell
1977-6-21
52381
Plumas
Transition Zone forest in region of schistose rocks, Seneca; Sierra Nevada
1097
Comment
CAS-BOT-BC502664
Dichelostemma multiflorum
John Thomas Howell
1975-6-16
51150
Plumas
2 miles northwest of Spring Garden
1173
Comment
CAS-BOT-BC506202
Fritillaria micrantha
John Thomas Howell
1951-6-28
27655
Plumas
Johnsville
1584
Comment
CAS-BOT-BC508334
Hastingsia alba
John Thomas Howell
1976-7-15
51873
Plumas
Snake Lake, about 4 miles northwest of Quincy, Sierra Nevada
1219
Comment
CAS-BOT-BC508335
Hastingsia alba
John Thomas Howell
1962-6-16
37646
Plumas
Feather River North Fork on road to Caribou, Sierra Nevada
731
Comment
CAS-BOT-BC508336
Hastingsia alba
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54145
Plumas
2.65 miles west of Round Valley Reservoir dam, Sierra Nevada
1569
Comment
CAS-BOT-BC508374
Leucocrinum montanum
John Thomas Howell
1978-4-19
52864
Plumas
Sierra Valley on Dyson Lane sw of Vinton, Sierra Nevada
Comment
CAS-BOT-BC509314
Lilium kelleyanum
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1969-6-24
2422
Plumas
Between mouth of Butterfly Creek and Valley proper.
914
Comment
CAS-BOT-BC509315
Lilium kelleyanum
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-12
2116
Plumas
At spring
1127
Comment
CAS-BOT-BC509318
Lilium kelleyanum
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1969-6-24
2422
Plumas
Fern Glen
1112
Comment
CAS-BOT-BC509319
Lilium kelleyanum
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54144
Plumas
2.65 miles west of Round Valley Reservoir dam
1569
Comment
CAS-BOT-BC509320
Lilium kelleyanum
John Thomas Howell
1960-7-21
35862
Plumas
On trail to Little Willow Lake
1767
Comment
CAS-BOT-BC512873
Maianthemum stellatum
John Thomas Howell
1960-7-20
35737
Plumas
Boiling Springs Lake.. Drakesbad
1828
Comment
CAS-BOT-BC512874
Maianthemum stellatum
John Thomas Howell
1960-7-21
35845
Plumas
Near Willow Lake
1676
Comment
CAS-BOT-BC517427
Streptopus amplexifolius
John Thomas Howell
1963-6-3
39400
Plumas
Sierra Nevada, Butterfly Valley
Comment
CAS-BOT-BC519391
Triantha occidentalis subsp. occidentalis
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54385
Plumas
Sierra Nevada, 0.25 miles east of Bucks Summit on road to Quincy
1670
Comment
CAS-BOT-BC521569
Triteleia hyacinthina
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-22
54101
Plumas
10.6 miles northeast of La Porte on road to Quincy
1889
Comment
CAS-BOT-BC522056
Triteleia ixioides subsp. ixioides
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-22
54100
Plumas
10.6 miles northeast of La Porte on road to Quincy, Sierra Nevada
1889
Comment
CAS-BOT-BC523784
Arceuthobium
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-22
54096
Plumas
Sierra Nevada: 10.6 mi NE of La Porte on road to Quincy
1889
Comment
CAS-BOT-BC526475
Triteleia montana
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-22
54099
Plumas
Sierra Nevada, 10.6 miles northeast of La Porte on road to Quincy
1889
Comment
CAS-BOT-BC527112
Zigadenus
John Thomas Howell
1962-6-18
37764
Plumas
Sierra Valley near Beckwourth
1487
Comment
CAS-BOT-BC527554
Triteleia montana
John Thomas Howell; Gordon H. True
No date on label
43374
Plumas
About 2 miles southeast of Mt. Hough
1828
Comment
CAS-BOT-BC528890
Veratrum californicum
John Thomas Howell; Gordon True; Walter Knight; Irja Knight
1967-7-12
2119
Plumas
Sierra Nevada, Butterfly Botanical Area and Vicinity, at spring
1127
Comment
CAS-BOT-BC528896
Veratrum californicum
John Thomas Howell
1960-7-18
35505
Plumas
Lassen Volcanic National Park; Drakesbad
1828
Comment
CAS-BOT-BC529129
Xerophyllum tenax
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54189
Plumas
4 miles by road N. of Grays Flat on the road to Long Valley
1447
Comment
CAS-BOT-BC529130
Xerophyllum tenax
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54189
Plumas
4 miles by road N. of Grays Flat on the road to Long Valley
1447
Comment
CAS-BOT-BC533082
Zigadenus venenosus
John Thomas Howell
1960-7-22
35926
Plumas
Devils Kitchen, near Drakesbad; Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC533083
Zigadenus venenosus
John Thomas Howell
1960-7-19
35702
Plumas
Drakesbad; Lassen Volcanic National Park
1828
Comment
CAS-BOT-BC534973
Drymocallis glandulosa var. reflexa
John Thomas Howell; Gordon H. True
1969-6-23
45832
Plumas
Sierra Nevada, Middle Fork of Feather River at Nelson Point
1249
Comment
CAS-BOT-BC536540
Viola glabella
John Thomas Howell
1960-7-21
35795
Plumas
Lassen Volcanic National Park, Drakesbad
1828
Comment
CAS-BOT-BC536836
Viola glabella
John Thomas Howell
1967-6-23
42682
Plumas
Sierra Nevada: Canyon of Butterfly Creek
1036
Comment
CAS-BOT-BC536845
Viola glabella
John Thomas Howell
1960-7-21
35843
Plumas
Lassen Volcanic National Park: NW of Willow Lake
1676
Comment
CAS-BOT-BC537874
Horkelia fusca var. parviflora
John Thomas Howell
1951-6-27
27594
Plumas
Sierra Nevada: McRae Meadows
1981
Comment
CAS-BOT-BC539679
Alnus rhombifolia
John Thomas Howell
1959-9-24
34943
Plumas
Sierra Nevada: Spanish Creek at mouth of Butterfly Creek
1798
Comment
CAS-BOT-BC540403
Potentilla gracilis var. fastigiata
John Thomas Howell
1973-7-9
49711
Plumas
Sierra Nevada, Crescent Mills
1066
Comment
CAS-BOT-BC540406
Potentilla gracilis var. fastigiata
John Thomas Howell
1955-7-20
30831
Plumas
Sierra Nevada, Mohawk
1371
Comment
CAS-BOT-BC540409
Potentilla gracilis var. fastigiata
John Thomas Howell
1955-7-20
30832
Plumas
Sierra Nevada, Mohawk
1371
Comment
CAS-BOT-BC540410
Potentilla gracilis var. fastigiata
John Thomas Howell; Gordon H. True
1967-6-11
42574
Plumas
Sierra Nevada, meadow at Qunicy
1036
Comment
CAS-BOT-BC55286
Hesperis matronalis
John Thomas Howell; Gordon H. True
1967-6-11
42568 A
Plumas
Sierra Nevada. Meadow at Quincy.
1036
Comment
CAS-BOT-BC55407
Hirschfeldia incana
John Thomas Howell
1959-9-21
34781
Plumas
Sierra Nevada. North Fork Feather River near Belden.
701
Comment
CAS-BOT-BC57003
Equisetum arvense
John Thomas Howell; Gordon H. True
1967-7-9
43257
Plumas
North Fork of Feather River 4.3 miles southwest of Caribou
792
Comment
CAS-BOT-BC57388
Equisetum laevigatum
John Thomas Howell
1960-7-22
35886
Plumas
Drakesbad, Lassen Volcanic Nat'l. Park
1737
Comment
CAS-BOT-BC57390
Equisetum laevigatum
John Thomas Howell
1960-7-24
35994
Plumas
Roadside, Chester
1371
Comment
CAS-BOT-BC57399
Equisetum laevigatum
John Thomas Howell
1960-7-24
35994
Plumas
Chester
1371
Comment
CAS-BOT-BC57513
Equisetum telmateia
John Thomas Howell; Gordon H. True
1969-4-8
45485
Plumas
Feather River Canyon at Storrie
548
Comment
CAS-BOT-BC57769
Isoetes
John Thomas Howell; H. Keith Wagnon
1980-5-27
53611
Plumas
1 mi. w. of Almanor.
1386
Comment
CAS-BOT-BC57895
Equisetum X ferrissii
John Thomas Howell
1959-9-21
34761
Plumas
N. Fk. Feather River near Belden.
701
Comment
CAS-BOT-BC57897
Equisetum X ferrissii
John Thomas Howell; Gordon H. True
1967-7-9
43250
Plumas
North Fork of Feather River 3 mi. sw. of Caribou.
853
Comment
CAS-BOT-BC58025
Equisetum
John Thomas Howell
1967-6-22
42648
Plumas
Sierra Nevada, Rock Creek Power House, Canyon of the Feather River North Fork.
548
Comment
CAS-BOT-BC58702
Antennaria geyeri
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-25
54356
Plumas
Near Indian Creek about 0.75 miles northwest of the northwest arm of Antelope Reservoir
1584
Comment
CAS-BOT-BC59320
Antennaria argentea
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54232
Plumas
About 4 miles southeast of Mt. Hough on the road to Quincy
1645
Comment
CAS-BOT-BC60090
Lepidium virginicum var. menziesii
John Thomas Howell
1951-6-26
27529
Plumas
Sierra Nevada. Tobin.
609
Comment
CAS-BOT-BC62195
Selaginella wallacei
John Thomas Howell
1959-9-26
35082
Plumas
Storrie
548
Comment
CAS-BOT-BC63849
Sedum spathulifolium
John Thomas Howell
1962-6-16
37634
Plumas
Lewisia Rock, North Fork Feather River
640
Comment
CAS-BOT-BC66090
Athyrium filix-femina var. cyclosorum
John Thomas Howell
1960-7-21
35796
Plumas
Drakesbad
1828
Comment
CAS-BOT-BC66092
Athyrium filix-femina var. cyclosorum
John Thomas Howell
1960-7-21
35851
Plumas
nw. of Willow Lake
1676
Comment
CAS-BOT-BC66526
Thysanocarpus curvipes
John Thomas Howell
1963-6-4
39401
Plumas
Sierra Nevada. Neaer Cromberg.
Comment
CAS-BOT-BC69583
Aspidotis densa
John Thomas Howell
1951-7-19
27969
Plumas
Monarch Lake Trail.
2590
Comment
CAS-BOT-BC70673
Cystopteris fragilis
John Thomas Howell
1962-6-16
37638
Plumas
Lewisia Rock, Feather River North Fork
640
Comment
CAS-BOT-BC71085
Marsilea vestita
John Thomas Howell
1962-6-19
37856
Plumas
Alkaline Flat, 5.5 miles E. of Beckwourth
1493
Comment
CAS-BOT-BC72360
Polystichum imbricans subsp. imbricans
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54135
Plumas
Round Valley Reservoir dam
1371
Comment
CAS-BOT-BC72610
Pteridium aquilinum
John Thomas Howell
1959-9-21
34803
Plumas
4.6 miles from Virgilia on road to Quincy
Comment
CAS-BOT-BC73083
Pinus lambertiana
John Thomas Howell
1960-7-20
35751
Plumas
Lassen Volcanic National Park, Boiling Springs Lake.
1798
Comment
CAS-BOT-BC74013
Turritis glabra
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-23
54186
Plumas
Sierra Nevada. Above Dark Ravine Creek.
1524
Comment
CAS-BOT-BC74629
Rorippa curvisiliqua
John Thomas Howell
1977-8-11
52709
Plumas
Sierra Nevada. Bottom of Frenchman's Reservoir on east side near Big Cove.
1706
Comment
CAS-BOT-BC74630
Rorippa curvisiliqua
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-24
54282
Plumas
Sierra Nevada. About 1.3 mile southeast of Mount Hough on the road to Quincy.
2042
Comment
CAS-BOT-BC74965
Sinapis arvensis
John Thomas Howell
1951-8-19
28190
Plumas
Sierra Nevada. Greenville.
1097
Comment
CAS-BOT-BC74966
Sinapis arvensis
John Thomas Howell
1962-6-18
37815
Plumas
Sierra Nevada. Sierra Valley, 5 miles south of Beckwourth.
1493
Comment
CAS-BOT-BC75116
Sisymbrium altissimum
John Thomas Howell
1959-9-21
34809
Plumas
Sierra Nevada. Indian Creek Canyon.
914
Comment
CAS-BOT-BC76838
Polypodium glycyrrhiza
John Thomas Howell; Gordon H. True
1967-5-9
42212 A
Plumas
Sierra Nevada - Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon
609
Comment
CAS-BOT-BC77077
Pentagramma triangularis subsp. triangularis
John Thomas Howell
1967-6-23
42730
Plumas
Sierra Nevada - Lewisia Rock 3.5 miles SW of Belden, Feather River Canyon
609
Comment
CAS-BOT-BC77982
Abies concolor
John Thomas Howell
1960-7-18
35504
Plumas
Drakesbad
1828
Comment
CAS-BOT-BC78095
Abies magnifica
John Thomas Howell
1960-7-20
35776
Plumas
Between Boiling Springs Lake and Terminal Geyser
1859
Comment
CAS-BOT-BC82225
Arnica chamissonis
John Thomas Howell
1977-8-11
52701
Plumas
at north end of Frenchmans Reservoir
1706
Comment
CAS-BOT-BC82508
Arnica discoidea
John Thomas Howell
1951-6-28
27717
Plumas
Eureka Peak
2255
Comment
CAS-BOT-BC84601
Anthemis cotula
John Thomas Howell
1959-9-21
34811
Plumas
Indian Creek Canyon
914
Comment
CAS-BOT-BC85757
Calocedrus decurrens
John Thomas Howell
1960-7-20
35752
Plumas
Lassen Volcanic National Park, Boiling Springs Lake
1798
Comment
CAS-BOT-BC88838
Lepidium campestre
John Thomas Howell
1973-7-9
49702
Plumas
Sierra Nevada. Near Indian Falls, Indian Creek.
914
Comment
CAS-BOT-BC88845
Lepidium campestre
John Thomas Howell
1951-6-26
27553
Plumas
Sierra Nevada. Crescent Mills.
1066
Comment
CAS-BOT-BC88847
Lepidium campestre
John Thomas Howell
1967-6-23
42689
Plumas
Sierra Nevada. Butterfly Valley.
1066
Comment
CAS-BOT-BC90122
Artemisia biennis
John Thomas Howell
1961-9-24
36915
Plumas
Feather River bed sw. of Beckwourth
1487
Comment
CAS-BOT-BC97561
Symphyotrichum ascendens
John Thomas Howell
1959-9-25
35020
Plumas
Chilcoot
1524
Comment
CAS-BOT-BC97927
Symphyotrichum frondosum
John Thomas Howell
1951-8-20
28232
Plumas
Sierra Valley, 3 miles east of Beckwourth
1524
Comment
CAS-BOT-BC98489
Symphyotrichum spathulatum
John Thomas Howell
1977-8-11
52700
Plumas
Sierra Nevada - north end of Frenchmans Reservoir
1706
Comment
CAS-BOT-BC9860
Delphinium nudicaule
John Thomas Howell; R. C. Barneby
1954-5-14
29558
Plumas
2 miles east of Blairsden
1493
Comment
CAS-BOT-BC98900
Symphyotrichum spathulatum var. intermedium
John Thomas Howell
1959-9-21
34757
Plumas
Sand bars of N. Fk. Feather River near Belden
701
Comment
CDA2987
Chenopodium album
J. T. Howell
1975-7-2
51343
Plumas
Sierra Nevada; Quincy.
Comment
CDA2989
Chenopodium album var. album
J. T. Howell
1959-9-26
35047
Plumas
Near Keddie.
Comment
CDA6574
Hemizonia congesta subsp. clevelandii
J. T. Howell
1961-9-23
36825
Plumas
Sierra Nevada; Indian Valley. East of Crescent Mills on Stampfli Lane
Comment
JEPS29566
Chaenactis douglasii var. douglasii
J. Thomas Howell
1960-8-20
36285
Plumas
near Drakesbad (Kelley Camp, near Lassen Volcanic National Park); Lassen Volcanic National Park
1615
Comment
JEPS29572
Gnaphalium palustre
John Thomas Howell
1960-7-21
35836
Plumas
open places among willows nw of Willow Lake
1676
Comment
NY990873
Chenopodium desiccatum
J. T. Howell
1977-8-11
52708
Plumas
North end of Frenchmans Reservoir
1707
Comment
POM193913
Stephanomeria lactucina
J. T. Howell
1924-8-11
632
Plumas
2 miles E of Chester on road to Westwood.
1311
Comment
RSA0000487
Poa sierrae
J. T. Howell, Gordon H. True
1967-5-9
42204
Plumas
3.5 mi SW of Belden, Feather River Canyon
610
Comment
RSA0000488
Poa sierrae
J. T. Howell, Gordon H. True
1967-5-9
42204
Plumas
3.5 mi SW of Belden, Feather River Canyon
610
Comment
RSA0079805
Carex rossii
John Thomas Howell
1960-7-17
35490
Plumas
Drakesbad. Lassen Volcanic National Park.
1677
Comment
RSA0123900
Erythranthe willisii
J. T. Howell
1951-6-26
27540
Plumas
Feather River Canyon; Sierra Nevada.
854
Comment
RSA0126161
Arabis glabra
J. T. Howell, Gordon H. True, Walter Knight, I. Knight
1967-7-10
2129
Plumas
Butterfly Botanical Area and Vicinity.
1128
Comment
RSA128962
Amaranthus albus
J. T. Howell
1951-8-20
s.n.
Plumas
Near Taylorsville
Comment
RSA201287A
Navarretia capillaris
J. T. Howell
1960-7-21
35829
Plumas
Plumas County: Meadowy forest floor NW of Willow Lake.
1707
Comment
RSA201289
Urtica dioica subsp. holosericea
J. T. Howell
1959-9-23
34893
Plumas
At Benner Creek on road from Chester to Juniper Lake.
1524
Comment
RSA201328
Navarretia capillaris
J. T. Howell
1960-7-21
35829
Plumas
Plumas County: Meadowy forest floor NW of Willow Lake.
1707
Comment
RSA201374
Poa palustris
J. T. Howell
1960-8-20
36277
Plumas
Drakesbad
1677
Comment
RSA201488B
Plagiobothrys tenellus
J. T. Howell, G. True
1968-6-10
44538
Plumas
American Valley at Quincy.
1037
Comment
RSA244709
Hesperis matronalis
J. T. Howell
1967-7-11
43380
Plumas
Meadow at Quincy.
1037
Comment
RSA512853
Boisduvalia glabella
J. T. Howell
1961-9-24
36903
Plumas
Sierra Nevada: Feather River bed southwest of Beckworth.
1488
Comment
RSA515526
Epilobium foliosum
J. T. Howell, H. Keith Wagnon
1980-5-28
53698
Plumas
Sierra Nevada: Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River.
854
Comment
RSA517869
Sidalcea
J. T. Howell, G. H. True
1973-7-31
50142
Plumas
On road from Janesville to Thompson Peak, Diamond Range
1905
Comment
RSA584285
Luzula comosa
J. T. Howell, T. C. Fuller, G. D. Barbe
1981-6-22
54098
Plumas
10.6 miles northeast of La Porte on road to Quincy.
1890
Comment
RSA584783
Madia elegans subsp. elegans
J. T. Howell
1961-9-25
36966
Plumas
Sierra Nevada: Vinton
1507
Comment
RSA595070
Cuscuta californica
J. T. Howell, G. D. Fuller, G. D. Barbe
1981-6-26
54407
Plumas
South end of Walker Plain near Buckeye. About 8 miles southwest of Bucks Lake on road to Oroville.
1524
Comment
RSA88081
Phacelia mutabilis
J. T. Howell
1951-6-26
27531
Plumas
Near Rich Bar.
793
Comment
RSA88393
Mimulus guttatus
J. T. Howell
1951-6-26
27534
Plumas
Feather River Canyon
854
Comment
RSA88569
Chenopodium berlandieri var. zschackei
J. T. Howell
1951-8-19
28179
Plumas
Greenville.
1098
Comment
RSA88585
Chenopodium pumilio
J. T. Howell
1951-8-19
28183
Plumas
Greenville.
1098
Comment
RSA88595
Eriogonum pedunculatum
J. T. Howell
1951-6-26
27541
Plumas
Feather River Canyon
854
Comment
RSA93300
Downingia bacigalupii
J. T. Howell
1926-7-30
2166
Plumas
Near Prattville on Lake Almonor
Comment
RSA94852
Arnica longifolia subsp. myriadenia
J. T. Howell
1926-7-30
2157
Plumas
Near Prattville on Lake Almonor
Comment
RSA95418
Stellaria longipes
J. T. Howell
1951-6-27
27587
Plumas
McRae Meadow.
1982
Comment
RSA95424
Silene douglasii
J. T. Howell
1951-6-28
27711
Plumas
Eureka Peak.
2195
Comment
RSA95438
Ranunculus occidentalis var. ultramontanus
J. T. Howell
1951-6-27
27621
Plumas
Jamison Creek
1829
Comment
RSA95439
Delphinium nuttallianum
J. T. Howell
1951-6-28
27698
Plumas
Eureka Peak.
1982
Comment
RSA95443
Aquilegia formosa
J. T. Howell
1951-8-19
28170
Plumas
3 miles E of Rich Bar.
854
Comment
RSA95508
Hastingsia alba
J. T. Howell
1951-6-26
27533
Plumas
Feather River Canyon
854
Comment
RSA95511
Juncus howellii
J. T. Howell
1951-6-27
27580
Plumas
McRae Meadow.
1982
Comment
RSA95512
Juncus tenuis
J. T. Howell
1951-6-27
27618
Plumas
Jamison Creek
1829
Comment
RSA95515
Juncus ensifolius
J. T. Howell
1951-8-20
28199
Plumas
Indian Valley.
1067
Comment
RSA95526
Cryptantha simulans
J. T. Howell
1951-6-27
27572
Plumas
Johnsville; Sierra Nevada
1585
Comment
RSA95527
Cryptantha torreyana
J. T. Howell
1951-6-27
27573
Plumas
Johnsville; Sierra Nevada
1585
Comment
RSA95563
Calycanthus occidentalis
J. T. Howell
1951-8-19
28172
Plumas
3 miles E of Rich Bar.
854
Comment
RSA97918
Carex gigas
J. T. Howell
1951-6-26
27535
Plumas
Feather River Canyon.
854
Comment
RSA97923
Carex fracta
J. T. Howell
1951-6-28
27650
Plumas
Johnsville
1585
Comment
RSA97925
Carex integra
J. T. Howell
1951-6-27
27591 A
Plumas
McRae Meadow.
1982
Comment
RSA97965
Carex subfusca
J. T. Howell
1951-6-27
27600
Plumas
McRae Meadow.
1982
Comment
SD130396
Carex straminiformis
John Thomas Howell, Gordon H. True
1973-7-31
50084
Plumas
Sierra Nevada Mountains; Canadian Zone forest; Diamond Range; summit ridge of Thompson Peak in areas of volcanic rock.
2194
Comment
SD130492
Gayophytum diffusum subsp. parviflorum
John Thomas Howell
1974-9-20
50893
Plumas
7.0 miles from Quincy on road to Blairsden.
1096
Comment
SD130960
Carex brainerdii
John Thomas Howell, Gordon H. True
1967-5-7
42186
Plumas
Sierra Nevada; Injin Jim Campground at confluence of Granite Creek and North Fork of Feather River.
609
Comment
SD71436
Chenopodium strictum var. glaucophyllum
John Thomas Howell
Dept. 25, 1959
35006
Plumas
Sierra Valley near Beckworth, Plumas Co.
1493
Comment
SEINET10460708
Heterocodon rariflorum
Howell
1951-6-28
Howell 27675
Plumas
JAMISON CREEK 5200
Comment
SEINET10460755
Porterella carnosula
Howell
1963-6-4
Howell 39405
Plumas
Marble Hot Springs, Sierra Valley
Comment
SEINET10461180
Nemacladus interior
Howell
1975-7-22
Howell s.n.
Plumas
In the Transition Life Zone, 2 miles northwest of Spring Garden
1173
Comment
SEINET10461194
Nemacladus interior
Howell
1951-6-29
Howell 27761
Plumas
Feather River Canyon
549
Comment
SEINET10463000
Campanula prenanthoides
Howell
1926-7-31
Howell 2178
Plumas
Near Prattville
1463
Comment
SEINET10463123
Campanula prenanthoides
Howell
1959-9-26
Howell 35045
Plumas
NEAR KEDDIE 3300
Comment
SEINET10464820
Nemacladus capillaris
Howell
1967-7-12
Howell 2105
Plumas
Between valley and Darlingtonia bog
1067
Comment
SEINET10488892
Lupinus sellulus
John Thomas Howell
1955-7-19
Howell 30811
Plumas
Vinton, California.
1509
Comment
SEINET10509794
Agropyron trichophorum
Thomas J. Howell, Gordon H. True
1968-6-10
Howell 44544
Plumas
Sierra Nevada, Quincy. In meadows.
Comment
SEINET10554337
Elymus glaucus
John Thomas Howell
1975-7-22
Howell 51373
Plumas
In the Transition Life Zone, 2 miles northwest of Spring Garden. In woods adjacent to but not on serpentine.
1173
Comment
SEINET10555790
Eragrostis pilosa
John Thomas Howell
1955-7-19
Howell 30734
Plumas
Portola.
1478
Comment
SEINET10582742
Castilleja applegatei var. fragilis
John Thomas Howell, Gordon H. True; Margaret J. Williams
1973-7-31
Howell 50126
Plumas
On road from Janesville to Thompson Peak, Diamond Range.
1981
Comment
SEINET10596607
Oryzopsis hymenoides
John Thomas Howell
1962-6-19
Howell 37841
Plumas
The Buttes, near Sierra Valley.
1494
Comment
SEINET10765289
Eremogone cliftonii
John Thomas Howell
1967-6-23
Howell 42741
Plumas
Near Rogers Flat bridge, North Fork Feather River. In gravel of disintegrating granite.
610
Comment
SEINET10855445
Phalaris arundinacea
John Thomas Howell
1961-9-23
Howell 36827
Plumas
Indian Valley, Sierra Nevada
1082
Comment
SEINET10938896
Nemacladus capillaris
Howell
1967-7-11
Howell 43281
Plumas
2 miles from Quincy Junction on road to Mt. Hough
1219
Comment
SEINET10963332
Elymus repens
John Thomas Howell
1959-9-25
Howell 35036
Plumas
Quincy.
1036
Comment
SEINET11044476
Carex whitneyi
J. T. Howell
1977-1
52407
Plumas
Sierra Nevada, on the peninsula of Lake Almanor
1372
Comment
SEINET11601357
Madia exigua
J. T. Howell, T. C. Fuller, G. D. Barbe
1981-6-24
54193
Plumas
2.5 miles northeast of Quincy Junction on road to Mt. Hough
1280
Comment
SEINET11601444
Madia gracilis
J. T. Howell, T. C. Fuller, G. D. Barbe
1981-6-24
54252
Plumas
About 2.5 miles southeast of Mt. Hough on the road to Quincy
1798
Comment
SEINET12875581
Eremogone congesta var. suffrutescens
John Thomas Howell, T. C. Fuller and G. D. Barbe
1981-1
54357
Plumas
Near Indian Creek about 0.75 mi. NW of NW arm of Antelope Reservoir
1585
Comment
SEINET5323260
Botrychium multifidum
J. T. Howell
1963-6-3
39397
Plumas
Butterfly Valley.
1036
Comment
SEINET5331923
Eriogonum umbellatum var. nevadense
J. T. Howell, Gordon H. True
1973-7-31
50112
Plumas
Canadian Zone forest, summit ridge of Thompson Peak in areas of volcanic rock, Diamond Range.
2195
Comment
SEINET5765231
Garrya fremontii
J. T. Howell
1959-9-26
35043
Plumas
Near Keddie.
1006
Comment
SEINET6031840
Equisetum telmateia
J. T. Howell, G. H. True., Jr.
1969-4-8
45485
Plumas
Feather River Canyon at Storrie
549
Comment
SEINET6409438
Selaginella wallacei
J. T. Howell
1959-9-26
35082
Plumas
Sierra Nevada, Storrie
549
Comment
SEINET7292780
Elysitanion hansenii
John Thomas Howell
1977-1
52415
Plumas
Sierra Nevada; Peninsula of Lake Almanor
1372
Comment
SEINET7294038
Poa secunda subsp. juncifolia
John Thomas Howell
1955-1
30800
Plumas
Vinton
1506
Comment
SEINET7294128
Poa secunda subsp. secunda
John Thomas Howell
1962-1
37773
Plumas
Sierra Valley near Beckwourth, .75 mi. sw. of B. on road to Sierraville.
1487
Comment
SEINET7297007
Phalaris arundinacea
John Thomas Howell
1973-1
49713
Plumas
Crescent Mills
1067
Comment
SEINET7297581
X Stiporyzopsis bloomeri
John Thomas Howell
1962-1
37841
Plumas
The Buttes, n. Sierra Valley
1494
Comment
SEINET7297651
Glyceria borealis
John Thomas Howell, Gordon H. True
1967-1
43263
Plumas
Meadow at Quincy
1036
Comment
SEINET7485361
Carex lemmonii
John Thomas Howell
1960-1
35946
Plumas
Drakesbad
1676
Comment
SEINET7549695
Carex angustata
John Thomas Howell
1960-7-23
35945
Plumas
Lassen Volcanic National Park. Meadow near Soda Spring, Drakesbad.
1676
Comment
SEINET7566765
Carex mariposana
John Thomas Howell, T. C. Fuller, G. D. Barbe
1981-6-25
54343 b
Plumas
2.8 miles north-northeast of Englemine on Diamond Mt. Road.
1341
Comment
SEINET7577187
Carex subfusca
John Thomas Howell, T. C. Fuller; G. D. Barbe
1981-6-26
54371
Plumas
0.75 miles northeast of Bucks Summit on road to Quincy.
1600
Comment
SEINET7577208
Carex subfusca
John Thomas Howell, T. C. Fuller; G. D. Barbe
1981-6-22
54116
Plumas
10.6 miles northeast of La Porte on road to Quincy.
1890
Comment
SEINET7577212
Carex subfusca
John Thomas Howell, T. C. Fuller, G. D. Barbe
1981-6-25
54344
Plumas
Sierra Nevada, 2.8 miles north-northeast of Englemine on Diamond Mt Road.
1341
Comment
SEINET8079196
Ericameria nauseosa var. speciosa
J. T. Howell
1959-9-25
s.n.
Plumas
2 miles E of Portola
1484
Comment
SEINET8079305
Ericameria parryi var. nevadensis
J. T. Howell
1961-9-23
s.n.
Plumas
Cooks Creek road near Englemine
1082
Comment
SEINET8079307
Ericameria parryi var. nevadensis
J. T. Howell
1959-9-24
s.n.
Plumas
Near Blairsden
1341
Comment
SEINET8338124
Bromus carinatus
John Thomas Howell
1960-7-23
35932
Plumas
Drakesbad.
Comment
UC1026453
Juncus nevadensis
John Thomas Howell
1951-6-28
27735
Plumas
between Eureka Lake and Johnsville
1676
Comment
UC908379
Navarretia divaricata
J. T. Howell
1926-6-26
2124
Plumas
1 mi s Prattville; Lake Almanor
Comment
UCD100549
Eriogonum nudum var. oblongifolium
John Thomas Howell
1973-7-9
49721
Plumas
Round Valley.
1371
Comment
UCD100624
Eriogonum nudum var. nudum
John Thomas Howell
1973-7-9
49720
Plumas
Round Valley.
1371
Comment
UCD101526
Eriogonum vimineum
John Thomas Howell
1959-9-26
35079
Plumas
5 miles northeast of Storrie.
609
Comment
UCD101944
Arceuthobium campylopodum
John Thomas Howell
1960-7-20
35784
Plumas
Between Boiling Springs Lake and Terminal Geyser.
1859
Comment
UCD125334
Prunella vulgaris var. lanceolata
John Thomas Howell
1960-7-21
35793
Plumas
Lassen Volcanic National Park, Drakesbad.
1676
Comment
UCD132977
Hemizonia congesta subsp. clevelandii
John Thomas Howell
1961-9-23
36825
Plumas
Indian Valley; East of Crescent Mills on Stampfli Lane.
1082
Comment
UCD134284
Madia gracilis
John Thomas Howell; T. C. Fuller, G. D. Barbe
1981-6-22
3082
Plumas
Vacant lot east of Lariat Lodge Motel, East Quincy.
1036
Comment
UCD134298
Madia gracilis
John Thomas Howell; T. C. Fuller, G. D. Barbe
1981-6-24
54252
Plumas
about 2.5 miles southeast of Mt. Hough on the road of Quincy.
1798
Comment
UCD51446
Achnatherum X bloomeri
John Thomas Howell
1962-6-19
37841
Plumas
The Buttes, n. Sierra Valley.
1493
Comment
UCD97851
Atriplex truncata
John Thomas Howell
1959-9-25
35017
Plumas
5 miles east of Beckwourth, Sierra Valley.
1493
Comment
UCD99748
Eriogonum baileyi
John Thomas Howell
1959-9-25
35027
Plumas
Summit of Beckwourth Pass.
1588
Comment