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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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CAS-BOT-BC171274
Alnus incana subsp. tenuifolia
John Thomas Howell
1925-7-2
1335
El Dorado
Trail to Desolation Valley above Glen Alpine, Lake Tahoe region
Comment
CAS-BOT-BC171275
Alnus incana subsp. tenuifolia
John Thomas Howell
1925-5-28
1099
El Dorado
Emerald Bay Camp on strand, Lake Tahoe
1889
Comment
CAS-BOT-BC171276
Alnus incana subsp. tenuifolia
L. R. Abrams
1917-9-22
6835
El Dorado
Fallen Leaf - Lake Tahoe
Comment
CAS-BOT-BC171277
Alnus incana subsp. tenuifolia
L. R. Abrams
1911-7-29
4857
El Dorado
near Glenn Alpine Springs. Lake Tahoe region
2133
Comment
CAS-BOT-BC171278
Alnus incana subsp. tenuifolia
W. R. Dudley
1909-8-23
s.n.
El Dorado
Lake Tahoe
Comment
CAS-BOT-BC171279
Alnus incana subsp. tenuifolia
W. R. Dudley
1900-6-1
s.n.
El Dorado
near lake at McKinneys
Comment
CAS-BOT-BC171281
Alnus incana subsp. tenuifolia
Ira L. Wiggins
1930-10-12
5075
El Dorado
Near Emerald Bay, Lake Tahoe
Comment
CAS-BOT-BC171282
Alnus incana subsp. tenuifolia
Ira L. Wiggins
1930-10-11
5069
El Dorado
Stream bank 18 mi W of Lake Tahoe on Placerville - Tahoe highway
Comment
CAS-BOT-BC171283
Alnus incana subsp. tenuifolia
C. B. Wolf
1931-9-10
2417
El Dorado
Road cut-west side of Lake Tahoe, 1 1/2 from Emerald Bay on road to Meehs Bay
1950
Comment
CAS-BOT-BC171284
Alnus incana subsp. tenuifolia
J. Clausen
1932-9-13
619
El Dorado
upper end of Truckee River at S end of Lake Tahoe
Comment
CAS-BOT-BC171285
Alnus incana subsp. tenuifolia
H. E. McMinn
1926-5-30
1743
El Dorado
Near Emerald Bay - Lake Tahoe
Comment
CAS-BOT-BC171286
Alnus incana subsp. tenuifolia
Beecher Crampton
1962-9-25
6690
El Dorado
ca. 2 miles S of Meyers, upper Truckee River Basin
Comment
CAS-BOT-BC171287
Alnus incana subsp. tenuifolia
Paul F. Covel
1936-8-16
520
El Dorado
Echo Lake
Comment
CAS-BOT-BC171288
Alnus incana subsp. tenuifolia
Elsie Zeile Lovegrove
1950-10-18
s.n.
El Dorado
Luther Pass Summit. Sierra Nevada
Comment
CAS-BOT-BC171289
Alnus incana subsp. tenuifolia
Alice Eastwood
1906-7-21
1199
El Dorado
Half Moon Lake, Glen Alpine Region
Comment
CAS-BOT-BC171290
Alnus incana subsp. tenuifolia
Alice Eastwood
1909-1-1
211
El Dorado
Sunnyside, Lake Tahoe Region
Comment
CAS-BOT-BC171291
Alnus incana subsp. tenuifolia
Alice Eastwood
1912-6-15
469
El Dorado
Tahoe City, Lake Tahoe Region
Comment
CAS-BOT-BC171292
Alnus incana subsp. tenuifolia
Alice Eastwood
1906-7-24
929
El Dorado
Camp Agassiz, Glen Alpine Region
Comment
CAS-BOT-BC171293
Alnus incana subsp. tenuifolia
Alice Eastwood
1906-1-1
929
El Dorado
Fallen leaf L., Lake Tahoe Region
Comment
CAS-BOT-BC171294
Alnus incana subsp. tenuifolia
G. L. Stebbins
1977-9-25
77159
El Dorado
Along Slab Creek about 0.5 mile W of Kings Meadow
1356
Comment
CAS-BOT-BC171295
Alnus incana subsp. tenuifolia
E. A. McGregor
1909-8-12
90
El Dorado
Grass Lake
2194
Comment
CAS-BOT-BC171296
Alnus incana subsp. tenuifolia
Herbert L. Mason
1939-7-18
12172
El Dorado
N side of Luther Pass, one mile W of Grass Lake Meadow
2346
Comment
CAS-BOT-BC171297
Alnus incana subsp. tenuifolia
Frances Price
1919-1-1
s.n.
El Dorado
Tahoe
Comment
CAS-BOT-BC171298
Alnus incana subsp. tenuifolia
Julia McDonald
1914-6-1
s.n.
El Dorado
Homewood, Lake Tahoe Region
Comment
CAS-BOT-BC171299
Alnus incana subsp. tenuifolia
W. W. Price
1898-7-1
s.n.
El Dorado
Glen Alpine Springs
Comment
CAS-BOT-BC171300
Alnus incana subsp. tenuifolia
Geo. B. Grant
1906-7-15
s.n.
El Dorado
About Lake Tahoe
2438
Comment
CAS-BOT-BC344904
Alnus incana subsp. tenuifolia
Peter Rubtzoff
1972-9-20
6941
El Dorado
U.C. Blodgett Forest Research Station: Area along Mutton Creek, south of Country Road, 0.15 miles south of County Road (gate).
1274
Comment
JEPS73086
Alnus incana subsp. tenuifolia
Gladys L. Smith
1972-7-18
3556
El Dorado
2 1/2 mi ne Wrights Lake; Grouse Lake
2499
Comment
JEPS73087
Alnus incana subsp. tenuifolia
Gladys L. Smith
1963-7-8
1760
El Dorado
trail from Woods Lake to Winnemucca Lake
2499
Comment
JEPS73088
Alnus incana subsp. tenuifolia
Gladys L. Smith
1964-7-3
2026
El Dorado
1 mi w Echo Summit
2133
Comment
POM123908
Alnus incana subsp. tenuifolia
L. R. Abrams
1911-7-29
4857
El Dorado
Near Glen Alpine Springs.
2134
Comment
POM177711
Alnus incana subsp. tenuifolia
I. L. Wiggins
1930-10-12
5075
El Dorado
Near Emerald Bay, Lake Tahoe.
Comment
POM193960
Alnus incana subsp. tenuifolia
J. T. Howell
1925-7-2
1335
El Dorado
Trail to Desolation Valley above Glen Alpine, Lake Tahoe region.
Comment
POM257222
Alnus incana subsp. tenuifolia
H. L. Mason
1939-7-18
12172
El Dorado
North side of Luther Pass, one mile west of Grass Lake Meadow.
2348
Comment
RSA3003
Alnus incana subsp. tenuifolia
C. B. Wolf
1931-9-10
2417
El Dorado
West side of Lake Tahoe, 1.5 mi. from Emerald Bay on road to Meeks Bay.
1951
Comment
RSA452802
Alnus incana subsp. tenuifolia
Fay A. MacFadden
1934-7-28
12682
El Dorado
River east of Donner Lake.
Comment
RSA452811
Alnus incana subsp. tenuifolia
Albert J. Perkins
1923-8-11
s.n.
El Dorado
Lake Tahoe Region, Tamarack Trail
Comment
RSA6510
Alnus incana subsp. tenuifolia
Jens Clausen
1932-9-13
619
El Dorado
Upper end of Truckee River at south end of Lake Tahoe.
Comment
RSA659658
Alnus incana subsp. tenuifolia
Gary D. Wallace
1990-6-25
2927
El Dorado
Sierra Nevada: Kirkwood Lake.
2354
Comment
RSA86978
Alnus incana subsp. tenuifolia
F. W. Peirson
1925-7-3
6236
El Dorado
Glen Alpine Creek Basin, Sierra Nevada.
2287
Comment
SBBG1279
Alnus incana subsp. tenuifolia
H. and M. Dearing
1931-7-23
2790
El Dorado
Fallen Leaf Lake
1981
Comment
SBBG28462
Alnus incana subsp. tenuifolia
H. L. Mason
1939-7-18
12172
El Dorado
N side of Luther Pass, 1 mi W of Grass Lake Meadow
2346
Comment
SEINET187410
Alnus incana subsp. tenuifolia
H. L. Mason
1939-7-18
12172
El Dorado
N side of Luther Pass 1 mi W of Grass Lake Meadow
2347
Comment
SEINET215293
Alnus incana subsp. tenuifolia
M. Yeargan
1973-5-22
062
El Dorado
1 mi N of Luther Pass on Hwy 89
Comment
SEINET2470909
Alnus incana subsp. tenuifolia
K. Christie
2010-6-22
1850
El Dorado
Lake Tahoe Basin Management Unit (USFS); at the top of Fountain Place Road, ca. 0.5 mi downhill from the gate at the Armstrong Connector trail.
2316
Comment
SJSU3961
Alnus incana subsp. tenuifolia
C. W. Sharsmith
1964-6-20
7311
El Dorado
streamside, Fallen Leaf L, 0.25 S of upper end
1981
Comment
UC1135161
Alnus incana subsp. tenuifolia
P. L. Johannsen
1934-7-18
383
El Dorado
1 1/4 mi se Wilsons; Eldorado National Forest, Pyramid Peak Quadrangle
Comment
UC1135165
Alnus incana subsp. tenuifolia
F. W. Embree
1934-7-11
128
El Dorado
1 1/2 mi s Iron Mts.; Eldorado National Forest, Pyramid Peak Quadrangle
Comment
UC1220969
Alnus incana subsp. tenuifolia
Beecher Crampton
1962-9-25
6690
El Dorado
ca 2 mi s Meyers; Upper Truckee River Basin
Comment
UC463452
Alnus incana subsp. tenuifolia
Ira L. Wiggins
1930-10-11
5069
El Dorado
stream bank 18 mi w Lake Tahoe (on Placerville-Tahoe hwy)
Comment
UC463455
Alnus incana subsp. tenuifolia
Ira L. Wiggins
1930-10-12
5075
El Dorado
near Emerald Bay; Lake Tahoe
Comment
UC495481
Alnus incana subsp. tenuifolia
Merle Randall
1930-6-19
El Dorado
Granite Lake Lake Tahoe Region
Comment
UC527358
Alnus incana subsp. tenuifolia
C. B. Wolf
1931-9-10
2417
El Dorado
road-cut 1 1/2 mi from Emerald Bay (on road to Meehs Bay, w side of Lake); Lake Tahoe
1950
Comment
UC629713
Alnus incana subsp. tenuifolia
Herbert L. Mason
1939-7-18
12172
El Dorado
1 mi w Grass Lake Meadow (n side of pass); Luther Pass
2346
Comment
UC72511
Alnus incana subsp. tenuifolia
Miss Katherine Chandler
Aug 1 1904-Sep 1 1904
El Dorado
near Glen Alpine
Comment
UC72512
Alnus incana subsp. tenuifolia
W. A. Setchell, C. C. Dobie
Jul 6 1901-Jul 21 1901
El Dorado
Rubicon Park Vicinity of Lake Tahoe
1897
Comment
UC746858
Alnus incana subsp. tenuifolia
G. Thomas Robbins
1944-6-17
1699
El Dorado
along small stream about 1 mi e Pyramid Ranger Station
1676
Comment
UCD109961
Alnus incana subsp. tenuifolia
Beecher Crampton
1962-9-25
6690
El Dorado
ca. 2 miles north of Meyers, Upper Truckee River Basin.
Comment
UCD109964
Alnus incana subsp. tenuifolia
Morris Halperin
1932-8-15
876
El Dorado
Bank of American River, Strawberry.
1752
Comment
UCD109967
Alnus incana subsp. tenuifolia
G. K. Helmkamp; E. A. Helmkamp
2007-5-31
12248
El Dorado
Northern Sierra Nevada Mountains; Forestry Route 42, 4.3 miles west of its junction with Wright's Lake Road, generally between Wright's Lake and Ice House Reservoir.
1753
Comment
UCD109968
Alnus incana subsp. tenuifolia
G. K. Helmkamp; E. A. Helmkamp
2007-8-21
12803
El Dorado
Northern Sierra Nevada Mountains. Unnamed lake at the junction of Angel Creek and Gerle Creek, 0.5 mile west of Wentworth Springs Road.
1598
Comment
UCD109969
Alnus incana subsp. tenuifolia
G. K. Helmkamp; E. A. Helmkamp
2007-9-2
12885
El Dorado
Northern Sierra Nevada Mountains. Grizzly Flat Road, 0.7 mile southeast of Grizzly Flat beside a flowing creek.
1171
Comment
UCD109970
Alnus incana subsp. tenuifolia
G. K. Helmkamp; E. A. Helmkamp
2007-9-11
12945
El Dorado
Northern Sierra Nevada Mountains. Forest Road between Wright's Lake and Ice House Reservoir; 1.2 miles west of its junction with Wright's Lake Road.
2049
Comment
UCD109975
Alnus incana subsp. tenuifolia
P. B. Kennedy
1920-8-17
148
El Dorado
El Dorado National Forest, Barrett Camp.
1935
Comment
UCD109977
Alnus incana subsp. tenuifolia
W. Robert Powell
1984-9-11
3048
El Dorado
1 mi NW of Union Valley Dam, 8 air mi N of Riverton (highway 50), along Little Silver Creek.
1447
Comment
UCD109981
Alnus incana subsp. tenuifolia
R. Prag
1973-6-26
s.n.
El Dorado
Emerald Bay SP.
Comment
UCD109986
Alnus incana subsp. tenuifolia
T. I. Storer
1925-7-31
573
El Dorado
Truckee River.
Comment
UCD109987
Alnus incana subsp. tenuifolia
T. I. Storer
1925-8-1
578
El Dorado
Upper Truckee River.
Comment
UCD125155
Alnus incana subsp. tenuifolia
Ellen Dean; G. Golden, J. Ainsworth, A. Darraugh
2012-7-26
7447
El Dorado
Lake Tahoe Basin. Sugar Pine Point State Park. Near Hwy. 89, along General Creek on east side of highway.
1908
Comment
UCD165976
Alnus incana subsp. tenuifolia
Daniel M. McNair
2016-5-17
2122
El Dorado
west side of Tahoe Basin at D.L. Bliss State Park. Along drainage just west of Highway 89.
2060
Comment
UCD19247
Alnus incana subsp. tenuifolia
Van M. Mar
1989-7-10
5
El Dorado
ca. 0.25 mi. east of Ski Run Blvd., near Regina Rd.
2011
Comment
UCD72927
Alnus incana subsp. tenuifolia
Ellen Dean; G. Dickinson, J. Poloske, M. and T. Starbuck
2007-8-25
4496
El Dorado
Washoe Meadows State Park. Western edge of park off of Grizzly Mountain Road near sewer manhole #54.
1954
Comment
UCD81268
Alnus incana subsp. tenuifolia
Ellen Dean; G. Dickinson, J. Poloske, M. and T. Starbuck
2007-8-25
4496
El Dorado
Washoe Meadows State Park. Western edge of park off of Grizzly Mountain Road near sewer manhole #54.
1954
Comment
UCR190299
Alnus incana subsp. tenuifolia
George K. Helmkamp, E. A. Helmkamp
2007-8-21
12803
El Dorado
Northern Sierra Nevada Mountains, unnamed lake at the junction of Angel Creek and Gerle Creek, 0.5 mile west of Wentworth Springs Road
1598
Comment
UCR193194
Alnus incana subsp. tenuifolia
George K. Helmkamp, E. A. Helmkamp
2007-5-31
12248
El Dorado
Northern Sierra Nevada Mountains, Forestry Route 42, 4.3 miles west of its junction with Wright's Lake Road, generally between Wright's Lake and Ice House Reservoir
1753
Comment
UCR193508
Alnus incana subsp. tenuifolia
George K. Helmkamp, E. A. Helmkamp
2007-9-11
12945
El Dorado
Northern Sierra Nevada Mountains, Forest Road between Wright's Lake and Ice House Reservoir; 1.2 miles west of its junction with Wright's Lake Road
2049
Comment
UCR262002
Alnus incana subsp. tenuifolia
George K. Helmkamp, Amy Barnes
2014-10-10
23162
El Dorado
Northern Sierra Nevada Mountains, along CA-89, 0.6 mile northwest of Luther Pass
2378
Comment
UCSB26063
Alnus incana subsp. tenuifolia
Belshaw, Charles
1935-7-9
El Dorado
One and one-half miles west of Strawberry on streamside, Placerville-Tahoe highway
1676
Comment
CDA39616
Alnus incana subsp. tenuifolia
G. D. Barbe
1973-7-19
1632
El Dorado
North shore of Fallen Leaf Lake below Baldwin s lodge site.
Comment
RSA0023100
Alnus incana subsp. tenuifolia
John F. Emmel
1995-6-27
1375
El Dorado
Sierra Nevada, SW Lake Tahoe region; north end of Fallen Leaf Lake, at shoreline, near trail to Fallen Leaf Campground.
1948
Comment
RSA0026185
Alnus incana subsp. tenuifolia
John F. Emmel
1997-8-26
1524
El Dorado
Sierra Nevada, SW Lake Tahoe region; Triangle Lake Trail, 0.6 air mile west of Angora Peak.
2256
Comment
RSA9234
Alnus incana subsp. tenuifolia
C. B. Wolf
1928-8-21
3417
El Dorado
Near Fallen Leaf Lake.
2043
Comment
SEINET12027700
Alnus incana subsp. tenuifolia
H. H. Heller
1938-1
800
El Dorado
North Shore Fallen leaf
Comment
SEINET8670944
Alnus incana subsp. tenuifolia
W. J. Hess, Stoynoff, N; Allen, K; Weis, K; Bolger, K
1997-1
7698
El Dorado
Comment