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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CAS-BOT-BC108763
Ribes cereum
Margaret Williams; Arnold Tiehm
s.n.
Sierra
Meadow near Cold Creek Campground, southeast of Sierraville.
1737
Comment
CAS-BOT-BC136080
Dodecatheon alpinum
Margaret Williams; Arnold Tiehm
1974-6-2
s.n.
Sierra
Meadow near campground southeast of Sierraville - Sierra Nevada
1737
Comment
CAS-BOT-BC142398
Ivesia sericoleuca
Margaret J. Williams
1979-6-13
79- 75 -1
Sierra
Mitchell Canyon Road into Dog Valley
Comment
CAS-BOT-BC260783
Eriogonum nudum var. deductum
Margaret J. Williams
1983-8-7
83- 133 -2
Sierra
Verdi Ridge, above Dog Valley
2316
Comment
CAS-BOT-BC267035
Muhlenbergia filiformis
Margaret Williams
1972-8-27
s.n.
Sierra
Near Worn Mill on Boca - Stampede Dam Road, 6.2 miles N of Boca
1737
Comment
CAS-BOT-BC269707
Symphoricarpos mollis
Margaret Williams; Arnold Tiehm
1974-8-17
74 -S-57
Sierra
Verdi Ridge, Verdi Range
2133
Comment
CAS-BOT-BC295783
Erigeron petrophilus var. sierrensis
Margaret Williams; Arnold Tiehm
1974-8-17
74 /5/55
Sierra
Verdi Ridge, Verdi Range
Comment
CAS-BOT-BC53078
Ceanothus prostratus
Margaret J. Williams
1983-8-7
83- 134 -1
Sierra
Between Sardine Valley and Jammer Puncher Chair Flat
1981
Comment
NY600704
Penstemon gracilentus
M. J. Williams
1983-8-7
83133- 1
Sierra
Verdi Ridge, above Dog Valley
2316.5
Comment
RSA294720
Ivesia aperta var. canina
M. J. Williams
1979-6-13
79- 75 -1
Sierra
Mitchell Canyon road into Dog Valley
Comment
RSA339127
Ceanothus prostratus
Margaret J. Williams
1983-8-7
s.n.
Sierra
Betw Sardine Valley and Jammer Puncher Chair Flat
Comment
SEINET11196756
Helianthella californica var. nevadensis
M. J. Williams, B. Trowbridge, G. H. True Jr, A. Tiehm
1977-7-26
77- 48 -1
Sierra
Independence Lake
2118
Comment
SEINET12564966
Cryptantha simulans
M. J. Williams, A. Tiehm
1974-8-17
74 -S-54
Sierra
Verdi Ridge Road.
2134
Comment
SEINET14173747
Castilleja tenuis
M. J. Williams
1983-8-7
83- 134 -2
Sierra
Between Sardine Valley and Jammer Puncher Chair Flat.
1981
Comment
SEINET223066
Ivesia sericoleuca
M. J. Williams
1979-6-13
79751
Sierra
Mitchell Canyon Road into Dog Valley.
Comment
SEINET232458
Ceanothus prostratus
M. J. Williams
1983-8-7
83- 134 -1
Sierra
Between Sardine Valley and Jammer Puncher Chair Flat
1981
Comment
SEINET4207742
Penstemon gracilentus
Margaret J. Williams
1983-8-7
83- 133 -1
Sierra
Verdi Ridge above Dog Valley.; 0
2316
Comment
SEINET6031264
Orobanche uniflora var. occidentalis
M. J. Williams
1981-7-10
81- 107 -1
Sierra
Near Sagehen Creek
Comment
UCR88937
Callitriche verna
Margaret Williams
1972-8-27
s.n.
Sierra
Near Worn Mill on Boca-Stampede Dam Road, 6.2 mi north of Boca.
1805
Comment
CAS-BOT-BC143555
Geum triflorum
Margaret Williams
1975-6-26
75 -60
Sierra
Sagebrush Flat, E end of Dog Valley
1676
Comment
CAS-BOT-BC221806
Monardella odoratissima
Margaret Williams
1972-8-27
s.n.
Sierra
Merrill Valley just north of Stampede Dam
2011
Comment
CAS-BOT-BC261610
Eriogonum nudum var. nudum
Margaret Williams
1972-8-27
s.n.
Sierra
Merrill Valley just north of Stampede Reservoir
2011
Comment
CAS-BOT-BC272121
Centaurea cyanus
Margaret Williams; Arnold Tiehm
1974-6-2
s.n.
Sierra
Near Cold Creek Campground se. of Sierraville
1706
Comment
CAS-BOT-BC282954
Carduus nutans
Margaret Williams; Arnold Tiehm
1974-8-17
74 -S-53
Sierra
Verdi Ridge Road, Verdi Range
2133
Comment
CAS-BOT-BC285267
Cirsium andersonii
Margaret Williams
1974-8-28
74- 5 -57
Sierra
West side of Verdi Ridge, Verdi Range
1493
Comment
CAS-BOT-BC295148
Erigeron inornatus
Margaret Williams
1972-8-27
s.n.
Sierra
Merrill Valley just north of Stampede Dam
2011
Comment
CAS-BOT-BC357402
Pseudognaphalium microcephalum
Margaret Williams
1972-8-27
s.n.
Sierra
Merrill Valley just north of Stampede Dam
2011
Comment
CAS-BOT-BC375574
Stephanomeria lactucina
Margaret Williams; Arnold Tiehm
1974-8-17
74 -S-52
Sierra
Verdi Ridge road
2133
Comment
CAS-BOT-BC379070
Ranunculus aquatilis var. diffusus
Margaret Williams
1972-8-27
s.n.
Sierra
near Worn Mill on Boca-Stampede Dam road, 6.2 mi north of Boca
1737
Comment
CAS-BOT-BC414580
Polygonum douglasii
Margaret Williams
1972-8-27
s.n.
Sierra
Merrill Valley just north of Stampede Dam
2011
Comment
CAS-BOT-BC420172
Polygonum sawatchense subsp. sawatchense
Margaret Williams
1972-8-27
s.n.
Sierra
Merrill Valley just north of Stampede Dam
2011
Comment
CAS-BOT-BC421056
Polygonum spergulariiforme
Margaret Williams
1976-8-29
76 -106
Sierra
Road from Dog Valley Summit to Hobart Mills, turn to Verdi Peak.
1828
Comment
CAS-BOT-BC451506
Elodea
Margaret Williams
1972-8-27
s.n.
Sierra
Near Worm Mill on Boca - Stampede Dam road, 6.2 mi. n of Boca
1737
Comment
NY532208
Carduus nutans
M. J. Williams
1974-8-17
74-S- 53
Sierra
Verdi Ridge Road, Verdi Range
2133.6
Comment
NY571155
Penstemon azureus var. azureus
M. J. Williams
1977-7-26
7748- 3
Sierra
Independence Lake
2118.4
Comment
RSA318663
Eriogonum nudum var. deductum
Margaret J. Williams
1983-8-7
83- 133 -2
Sierra
Verdi Ridge, above Dog Valley
2317
Comment
SD149148
Monardella odoratissima subsp. pallida
Margaret Williams
1972-8-27
Sierra
Merrill Valley just north of Stampede Dam
2012
Comment
SEINET10319600
Arceuthobium americanum
M. J. Williams
1969-9-13
s.n.
Sierra
Webber Lake.
2065
Comment
SEINET11744982
Packera streptanthifolia
M. J. Williams, A. Tiehm
1974-6-2
74- 8 -1
Sierra
Meadow near Hwy 89, N of Hobart Mills.
1737
Comment
SEINET13359734
Carex heteroneura
M. J. Williams
1967-8-14
s. n.
Sierra
[Sierra Nevada] Yuba Pass
2042
Comment
SEINET14168154
Leptosiphon harknessii
M. J. Williams, B. Trowbridge, G. H. True, Jr., A. Tiehm
1977-7-26
77- 48 -2
Sierra
[Sierra Nevada] Independence Lake
2118
Comment
SEINET222994
Asclepias cordifolia
Margaret J. Williams
1979-6-13
79- 73 -1
Sierra
Dog Valley road.
Comment
SEINET4335269
Polygonum spergulariiforme
M. J. Williams
1976-8-29
76 -106
Sierra
Intersection Verdi Peak Rd. and Henness Pass Rd.
1920
Comment
SEINET4404026
Bromus orcuttianus
M. J. Williams, B. Trowbridge, G. True Jr., A. Tiehm
1977-7-26
77- 48 -4
Sierra
Independence Lake
2118
Comment
SEINET5326490
Penstemon azureus var. azureus
M. J. Williams, Barbara Trowbridge
1977-7-26
77- 48 -3
Sierra
Independence Lake
2118
Comment
SEINET5326830
Astragalus purshii var. tinctus
M. J. Williams, A. Tiehm
1975-5-14
75- 11 -1
Sierra
Near Verdi
1524
Comment
SEINET5327459
Acmispon nevadensis var. nevadensis
M. J. Williams, A. Tiehm
1974-6-2
74 -A-2
Sierra
[Sierra Nevada] N end of Hwy 89
1615
Comment
SEINET5328435
Penstemon gracilentus
M. J. Williams
1983-8-7
83- 133 -1
Sierra
Verdi Ridge, above Dog Valley
2316
Comment
SEINET5330892
Eriogonum nudum var. deductum
M. J. Williams
1983-8-7
83- 133 -2
Sierra
Verdi Ridge, above Dog Valley
2316
Comment
SEINET5330905
Eriogonum nudum var. deductum
L. Williams
1972-8-27
1006
Sierra
Merrill Valley
2012
Comment
SEINET5338451
Ranunculus aquatilis var. diffusus
L. Williams
1972-8-27
1009
Sierra
Worn Mill in Little Truckee R. 5.2 mi from Boca.
1737
Comment
SEINET5339418
Ceanothus prostratus
M. J. Williams
1983-8-7
83- 134 -1
Sierra
Between Sardine Valley and Jammer Puncher chair flat.
1981
Comment
SEINET5339539
Ribes cereum
M. J. Williams, A. Tiehm
1974-6-2
74 -B-3
Sierra
Meadow near Hwy 89, north of Hobart Mills
1737
Comment
SEINET5343484
Centaurea cyanus
M. J. Williams, A. Tiehm
1974-1
74 -A-1
Sierra
N end of Hwy. 89
1615
Comment
SEINET6031169
Ivesia aperta var. canina
M. J. Williams
1979-6-13
79- 75 -1
Sierra
Mitchell Canyon road into Dog Valley
Comment
SEINET6333785
Juncus bryoides
M. J. Williams, B. Ertter, J. Strachan, A. Tiehm
1979-6-13
79- 75 -2
Sierra
Mitchell Canyon road, west side of Peavine Mtn., in Dog Valley
1524
Comment
SEINET6833891
Asclepias cordifolia
M. J. Williams
1979-6-13
79- 73 -1
Sierra
Dog Valley Road
Comment
SEINET7923640
Apocynum androsaemifolium
M. J. Williams
1972-8-27
6684
Sierra
Merrill Valley
1920
Comment
SEINET8480663
Cornus sericea var. sericea
M. J. Williams
1969-9-13
s.n.
Sierra
Webber Lake
2065
Comment
SEINET8552984
Dodecatheon alpinum
M. J. Williams, A. Tiehm
1974-6-2
74 -B-4
Sierra
Meadow near Hwy 89, N of Hobart Mills.
1737
Comment
SEINET8667554
Erigeron inornatus
M. J. Williams
1972-8-27
s.n.
Sierra
Merrill Valley
2012
Comment
SEINET8667572
Erigeron inornatus var. reductus
M. J. Williams, A. Tiehm
1974-8-17
74 -S-55
Sierra
Verdi Ridge road. Verdi Range
2134
Comment
SEINET8973702
Chrysolepis sempervirens
M. J. Williams, A. Tiehm
1978-9-2
78 -326
Sierra
Verdi Ridge, NW of Verdi
Comment