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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CDA13031
Horkelia tridentata subsp. tridentata
G. F. Hrusa, T. D. Wilfred
1996-6-1
12961
Shasta
Lassen National Forest; Along USFS S16 approx. 1 mile N of Hwy 44 intersection.
Comment
CDA18664
Horkelia tridentata subsp. tridentata
G. D. Barbe, T. C. Fuller
1982-6-15
3715
Plumas
Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest.
1783
Comment
CHSC56996
Horkelia tridentata subsp. tridentata
Steven Triano; Stefani Eiben
1988-5-7
156
Tehama
Field ca 40 ft s of Hwy. 36 and 0.2 mi e of its jct. with Battle Creek.
1313
Comment
CHSC65063
Horkelia tridentata subsp. tridentata
Vernon H. Oswald; Lowell Ahart
1995-7-17
7097
Tehama
High Cascade Range. Forest Road 29N22 0.3 mi W of Hwy. 89, ca. 2 mi S of the S boundary of Lassen Volcanic National Park.
1883
Comment
CHSC69151
Horkelia tridentata subsp. tridentata
Lowell Ahart
1997-8-7
7833
Yuba
On the north side of the dirt road, northwest of the bridge across Indian Creek, about 3 miles (air) east of Challenge.
762
Comment
CHSC71324
Horkelia tridentata subsp. tridentata
Vernon H. Oswald
1998-6-22
9229
Lassen
Champs Flat Rd. (A-21) 1.6 mi north of Hwy. 44, ca. 18 air mi north of Westwood.
1764
Comment
CHSC82271
Horkelia tridentata subsp. tridentata
M. S. Taylor
1980-5-8
2613
Butte
Ca. 3 mi n of Forest Ranch, ca. 1 mi e of Hwy 32.
853
Comment
CHSC83645
Horkelia tridentata subsp. tridentata
L. P. Janeway
2001-6-24
7219
Tehama
High Cascade Range. On Monterey Point ridge 0.2 km southwest of Road 29N48, about 4.0 km southwest of Turner Mountain. Southwest trending ridgetop.
1676
Comment
CHSC86587
Horkelia tridentata subsp. tridentata
L. P. Janeway; John Hunt
2003-6-13
7827
Butte
Northern High Sierra Nevada. North side of South Fork Feather River arm of Lake Oroville, 280 m east of the north end of Enter-prise Bridge.
280
Comment
CHSC92019
Horkelia tridentata subsp. tridentata
Lowell Ahart
2005-7-23
12189
Nevada
South of the power lines, about 100 yards west of the paved road, southwest of Lake Spaulding, about 1/2 mile north of Highway 20.
1572
Comment
CHSC94191
Horkelia tridentata subsp. tridentata
Lowell Ahart
2006-7-3
12909
Plumas
On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, near the southwest edge of a dry open basalt flat.
1527
Comment
CHSC94367
Horkelia tridentata subsp. tridentata
Lowell Ahart
2006-7-19
13021
Tehama
Open meadow area just east of the dirt road, east of Colby Creek, near large man-made piles of soil and rock, about 1 3/4 miles (air) southeast of Colby Mountain, about 4 3/4 miles (air) northeast of Butte Meadows.
1503
Comment
CHSC96790
Horkelia tridentata subsp. tridentata
Lowell Ahart
2007-5-22
13904
Butte
Around the southeast edge of a large bare granite opening (about an acre in size), northeast of Little Bald Rock, about 300 yards east of Bean Creek Road, about 16 miles (air) northeast of Oroville.
1009
Comment
CHSC99565
Horkelia tridentata subsp. tridentata
L. P. Janeway
2008-5-26
9387
Butte
Northern High Sierra Nevada. Saddle at head of Empire Creek, about 1.6 km west of Flea Valley.
1079
Comment
JEPS107860
Horkelia tridentata subsp. tridentata
Lowell Ahart
2005-7-23
12189
Nevada
South of the power lines, about 100 yards west of the paved road, southwest of Lake Spaulding, about 1/2 mile north of Highway 20
1572
Comment
JEPS108715
Horkelia tridentata subsp. tridentata
Lowell Ahart
2006-7-19
13021
Tehama
Open meadow area just east of the dirt road, east of Colby Creek, near large man-made piles of soil and rock, about 1 3/4 miles (air) southeast of Colby Mountain, about 4 3/4 miles (air) northeast of Butte Meadows
1503
Comment
JEPS108716
Horkelia tridentata subsp. tridentata
Lowell Ahart
2006-7-3
12909
Plumas
On Lumpkin Ridge, about 4 miles (air) northeast pf Camp 18, near the southwest edge of a dry open basalt flat
1527
Comment
JEPS113241
Horkelia tridentata subsp. tridentata
Lowell Ahart
2007-5-22
13904
Butte
Around the southeast edge of a large bare granite opening (about an acre in size), northeast of Little Bald Rock, about 300 yards east of Bean Creek Road, about 16 miles (air) northeast of Oroville
1009
Comment
JEPS29823
Horkelia tridentata subsp. tridentata
Rimo Bacigalupi and L. R. Heckard
1962-5-31
8567
El Dorado
5.4 mi s of Pollock Pines (along Sly Park Road); Sly Park Road
1158
Comment
JEPS44536
Horkelia tridentata subsp. tridentata
W. L. Jepson
1923-8-8
10067
Calaveras
Dorrington
1463
Comment
JEPS44553
Horkelia tridentata subsp. tridentata
A. L. Grant
1916-7-11
848
Tuolumne
Hetch Hetchy
1115
Comment
JEPS88752
Horkelia tridentata subsp. tridentata
Dean W. Taylor
1993-5-26
13521
Siskiyou
ca 400 m e Forest Road 40N04 and right-of-way PG&E natural gas pipeline (1 mi nw Timbered Crater, on border of narrow meadows along unnamed creek tributary to Abode Flat); Modoc Plateau, nw Timbered Crater
1120
Comment
JEPS96958
Horkelia tridentata subsp. tridentata
Dean W. Taylor
1997-5-30
16007
Tehama
Ponderosa Way in canyon Soap Creek
822
Comment
POM203394
Horkelia tridentata subsp. tridentata
F. W. Peirson
1932-7-14
10169
Shasta
Eiler Butte, Thousand-Lake Basin
1951
Comment
RSA0045138
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2012-7-6
19343
El Dorado
Ice House Road, 0.4 mile north of Ice House village, 10.9 miles north of the junction with US-50.
1707
Comment
RSA739793
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2007-6-6
12261
El Dorado
along Mormon Emigrant Trail, 8.3 miles east of its junction with Sly Park Road
1616
Comment
RSA791381
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2012-5-18
19009
El Dorado
Along Mormon Emigrant Trail, 0.1 mi east of Pebble Canyon Road, Southeast of Pollock Pines, South of US Hwy 50.
1495
Comment
SEINET10871274
Horkelia tridentata subsp. tridentata
Mary Merello
1993-6-23
Merello 708
Shasta
Shasta-Trinity National Forest. Border of Castle Crags State Park. Along roadside, closest city Castella. Open mixed conifer-hardwood woodland near river.
680
Comment
SEINET1908480
Horkelia tridentata subsp. tridentata
G. K. Helmkamp, E. A. Helmkamp
2008-1
13615
Amador
Northern Sierra Nevada Mountains: Panther Creek Road, 0.1 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station.
1652
Comment
SEINET7249083
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2012-1
19343
El Dorado
Northern Sierra Nevada Mountains: Ice House Road, 0.4 mile north of Ice House Village, 10.9 miles north of the junction with US-50.
1707
Comment
UC1037233
Horkelia tridentata subsp. tridentata
Leo Whitney
1933-8-20
3036
Lassen
ca 25 mi w upper end of Eagle Lake (Hall's Flat); Lassen National Forest
Comment
UC1073313
Horkelia tridentata subsp. tridentata
George B. Rossbach
1955-5-21
302
El Dorado
n Rt. 50 (near Pacific); S. Fork American River
Comment
UC1075097
Horkelia tridentata subsp. tridentata
E. K. Balls and L. W. Lenz
1955-5-12
20478
Nevada
1 mi nw Nevada City limit (along state hwy 49)
762
Comment
UC1128150
Horkelia tridentata subsp. tridentata
G. T. Nordstrom
1935-6-21
149
Placer
3 mi n by bw Mammoth Springs; Colfax quad, Tahoe National Forest
1584
Comment
UC1128151
Horkelia tridentata subsp. tridentata
W. E. Bullard
1935-7-8
140
Fresno
top Bald Mtn (Corlew Meadow); Kaiser Quad, Sierra National forest
1386
Comment
UC1128152
Horkelia tridentata subsp. tridentata
W. B. Augustine
1935-7-6
179
Tuolumne
Miguel Meadow Yosemite quad
1584
Comment
UC1128153
Horkelia tridentata subsp. tridentata
N. French
1934-5-24
359
Placer
N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle
1341
Comment
UC12372
Horkelia tridentata subsp. tridentata
Alice Eastwood
1898-6-4
Fresno
Sequoia Mills
Comment
UC12376
Horkelia tridentata subsp. tridentata
Milo S. Baker
1894-6
Shasta
Goose Valley
Comment
UC14234
Horkelia tridentata subsp. tridentata
Chesnut and Drew
1889-6-22
Tuolumne
Sugar Pine
Comment
UC14290
Horkelia tridentata subsp. tridentata
H. M. Hall and E. B. Babcock
1902-7-1
3323
Tuolumne
Hog Ranch vicinity Yosemite National Park
1432
Comment
UC1584623
Horkelia tridentata subsp. tridentata
Dean W. Taylor
1988-4-14
9549
Shasta
vicinity of Montgomery Creek Pit River Canyon, Montgomery Creek 15' quad
762
Comment
UC1731453
Horkelia tridentata subsp. tridentata
Dean W. Taylor
1993-6-15
13637
Shasta
ridgetop 1 mi. w. Yellowjacket Mt. (at Point 4881); Cascade Region (CaRH)
Comment
UC1736392
Horkelia tridentata subsp. tridentata
Dean W. Taylor
1974-7-13
4084
Shasta
Lassen National Forest, Thousand Lakes Wilderness, vicinity of Magee Peak,
2286
Comment
UC1736393
Horkelia tridentata subsp. tridentata
Dean W. Taylor
1975-8-24
5372
Shasta
Lassen National Forest, Thousand Lakes Wilderness, vicinity of Magee Peak , along trail at border of the wilderness area
2057
Comment
UC1736394
Horkelia tridentata subsp. tridentata
Dean W. Taylor
1970-6-10
381
Fresno
Bearskin Meadow, 4 miles N of Quail Flat along Generals Highway Forest Road 13S01
1798
Comment
UC1736395
Horkelia tridentata subsp. tridentata
Dean W. Taylor
1988-4-14
9549
Shasta
vicinity of Montgomery Creek, near a spring
762
Comment
UC1736396
Horkelia tridentata subsp. tridentata
Dean William Taylor
1969-6-7
218
Tuolumne
Along Highway 108 Long Barn
1524
Comment
UC1736656
Horkelia tridentata subsp. tridentata
Dean W. Taylor
1993-5-22
13460
Shasta
2.5 road mi E of Sanford Pass on Forest Road 36N20; Trinity Mountains, Sacramento River drainage (ca. 5 air mi W Lamoine), Slate Creek watershed
1143
Comment
UC176390
Horkelia tridentata subsp. tridentata
A. A. Heller
1913-6-7
10793
Butte
near Stirling
1036
Comment
UC185648
Horkelia tridentata subsp. tridentata
Dr. E. B. Copeland
1903-9-5
3865
Siskiyou
Igerna
Comment
UC203610
Horkelia tridentata subsp. tridentata
A. A. Heller
1914-5-18
11413
Butte
near Forest Ranch; west slope of the Sierra
701
Comment
UC221640
Horkelia tridentata subsp. tridentata
H. E. Brown
Jul 1 1897-Jul 15 1897
479
Siskiyou
n side Mt. Shasta
1524
Comment
UC221752
Horkelia tridentata subsp. tridentata
Dr. Edward Palmer
Jul 13 1892-Jul 27 1892
2448
Siskiyou
Mount Shasta vicinity
Comment
UC249637
Horkelia tridentata subsp. tridentata
Joseph P. Tracy
1921-5-23
5761
Calaveras
near Avery; Sierra Nevada Mtns
1158
Comment
UC398920
Horkelia tridentata subsp. tridentata
E. B. Copeland
1929-7-23
370
Butte
Jonesville
1550
Comment
UC406877
Horkelia tridentata subsp. tridentata
David D. Keck and Wm. M. Heusi
1927-7-14
284
Tuolumne
Hog Ranch, Mather Sierra Nevada
1400
Comment
UC453992
Horkelia tridentata subsp. tridentata
I. J. Condit
1911-7-5
Siskiyou
near Shasta Retreat; Summit of Mt. Bradley
1981
Comment
UC481099
Horkelia tridentata subsp. tridentata
W. A. Setchell, C. C. Dobie
1902-7-13
Siskiyou
Sisson Mount Shasta
Comment
UC481106
Horkelia tridentata subsp. tridentata
Lewis C. Rosenbaum
1916-6-3
Shasta
Castelle; n bank of Sacramento River
Comment
UC481567
Horkelia tridentata subsp. tridentata
H. F. Copeland
1929-6-9
1226
Butte
Jonesville
1524
Comment
UC481568
Horkelia tridentata subsp. tridentata
L. F. Robbins
1928-6-29
El Dorado
above Placerville
Comment
UC501585
Horkelia tridentata subsp. tridentata
Frank W. Peirson
1932-7-9
Shasta
Burney Spring
1432
Comment
UC525515
Horkelia tridentata subsp. tridentata
Ethel Crum
1933-6-17
1493
Tuolumne
Sonora Pass Rd Sugar Pine
1361
Comment
UC54359
Horkelia tridentata subsp. tridentata
H. M. Hall and E. B. Babcock
June 1903
4052
Siskiyou
near Sisson; Sierra Nevada
1036
Comment
UC545659
Horkelia tridentata subsp. tridentata
Alice Eastwood and John Thomas Howell
1934-4-20
Siskiyou
Weed
Comment
UC545673
Horkelia tridentata subsp. tridentata
Louis C. Wheeler
1934-6-29
2821
Siskiyou
Beaver Creek Siskiyou Mts., Mt. Diablo Mer
1341
Comment
UC567176
Horkelia tridentata subsp. tridentata
G. T. Nordstrom
1934-6-21
149
Placer
3 mi n Mammoth Springs (s of Monumental Hill); Colfax quad, North Fork of American River
1584
Comment
UC570577
Horkelia tridentata subsp. tridentata
Frank W. Peirson
1935-7-23
11551
Calaveras
Big Meadow N. Fork Stanislaus River Region
1981
Comment
UC578060
Horkelia tridentata subsp. tridentata
A. D. Gifford
1934-6-19
279
El Dorado
ridge to w Plum Creek (a tributary of the South Fork American River); Pyramid Peak quad
1524
Comment
UC578653
Horkelia tridentata subsp. tridentata
J. A. Rutter
1935-7-22
219
Tuolumne
w Cherry Creek (Woods Meadows, tributary to Tuolumne River); Yosemite Quad.
1706
Comment
UC595114
Horkelia tridentata subsp. tridentata
David D. Keck and A. Gustafsson
1938-8-9
4890
Shasta
1/2 mi e Burney Spring (s side of mtn); Burney Mtn.
Comment
UC600377
Horkelia tridentata subsp. tridentata
H. F. Copeland
1930-7-24
Butte
Jonesville
Comment
UC64464
Horkelia tridentata subsp. tridentata
H. M. Hall and H. P. Chandler
Jun 15 1900-Jun 25 1900
68
Fresno
Pine Ridge Sierra Nevada
1615
Comment
UC675308
Horkelia tridentata subsp. tridentata
Geo. Hansen
July 1892
294
Amador
Antelope
1371
Comment
UC675309
Horkelia tridentata subsp. tridentata
Geo. Hansen
VII 1892
985
Amador
Silver Lake
2438
Comment
UC702208
Horkelia tridentata subsp. tridentata
Annie M. Alexander and Louise Kellogg
1944-6-2
3609
Tuolumne
Twain Harte Post Office Sierra Nevada
1219
Comment
UC702210
Horkelia tridentata subsp. tridentata
Annie M. Alexander and Louise Kellogg
1944-6-23
3753
Tuolumne
Dardanelle
1760
Comment
UC703137
Horkelia tridentata subsp. tridentata
Alice Eastwood and John Thomas Howell
1941-7-9
9734
Tehama
Log Spring Ridge between Log Spring and Government Flat
Comment
UC711827
Horkelia tridentata subsp. tridentata
Roxana S. Ferris and Laura Lorraine
1941-8-10
10493
Shasta
3-4 mi e Bratle and McCloud (State Hwy 89)
Comment
UC747267
Horkelia tridentata subsp. tridentata
G. Thomas Robbins
1943-4-25
1036
El Dorado
3 mi e Camino (C. C. C. Camp Snowline grounds)
1036
Comment
UC750541
Horkelia tridentata subsp. tridentata
Lewis S. Rose
1946-6-23
46178
Placer
n Cisco (Rainbow)
Comment
UC764030
Horkelia tridentata subsp. tridentata
Robert F. Hoover
1936-6-18
1303
Alpine
Douglas Station
Comment
UC860235
Horkelia tridentata subsp. tridentata
Marcus E. Jones
1882-5-27
3291
Placer
Emigrant Gap
Comment
UC860236
Horkelia tridentata subsp. tridentata
A. A. Heller
1917-6-17
12705
Placer
below Cisco (along the Yuba River)
Comment
UC860237
Horkelia tridentata subsp. tridentata
A. A. Heller
1916-8-24
12565
Siskiyou
near Sisson
1077
Comment
UC860238
Horkelia tridentata subsp. tridentata
A. A. Heller
1915-6-27
12043
Butte
Jonesville Sierra Nevada
1676
Comment
UC860239
Horkelia tridentata subsp. tridentata
A. A. Heller
1914-5-18
11413
Butte
near Forest Ranch; west slope of the Sierra
701
Comment
UC860240
Horkelia tridentata subsp. tridentata
Alice Eastwood
Jun 20 1912-Jun 22 1912
506
Nevada
Grass Valley
Comment
UC860563
Horkelia tridentata subsp. tridentata
C. L. Hitchcock
1940-5-26
6597
Lassen
ca 12 mi n Fall River (on Fall River)
Comment
UC903062
Horkelia tridentata subsp. tridentata
Ethel Crum
1931-8-8
1247
Fresno
sw Shaver Lake (Dinky Meadows); Sierra Nevada
1706
Comment
UCR170969
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2005-7-31
9747
El Dorado
Northern Sierra Nevada Foothills, 20 mi WSW of Lake Tahoe; Ice House Road, N of Calif. Highway 50 and 1.5 mi south of junction with Ice House Reservoir
1637
Comment
UCR173716
Horkelia tridentata subsp. tridentata
George K. Helmkamp, Elizabeth Helmkamp
2006-5-20
10515
El Dorado
Northern Sierra Nevada Foothills, c. 5 air mi off Calif. Hwy 193, east of Georgetown; 1.7 mi. N of Wentworth Springs Road on Bottlehill Road (junction just east of Balderson Station)
973
Comment
UCR189614
Horkelia tridentata subsp. tridentata
George K. Helmkamp, Elizabeth Helmkamp, Amy Barnes
2007-6-20
12364
El Dorado
Northern Sierra Nevada Mountains, along Mormon Emigrant Trail, 13.2 miles ESE of its junction with Sly Park Road at Jenkinson Lake
1976
Comment
UCR191037
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2007-6-12
12334
Nevada
Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20
1604
Comment
UCR191078
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2007-5-23
12061
Placer
Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville
1576
Comment
UCR193173
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2007-6-6
12261
El Dorado
Northern Sierra Nevada Mountains, along Mormon Emigrant Trail, 8.3 miles east of its junction with Sly Park Road
1616
Comment
UCR195155
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2007-5-22
12044
El Dorado
Northern Sierra Nevada Mountains Foothills, Sly Park Road, 2.8 miles southeast of US-50
976
Comment
UCR197362
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2008-6-23
13717
Amador
Northern Sierra Nevada Mountains, Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station
2076
Comment
UCR197651
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2008-6-9
13615
Amador
Northern Sierra Nevada Mountains, Panther Creek Road, 0.1 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station
1652
Comment
UCR206042
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2009-6-10
14942
Shasta
Southern Cascade Range, Alvord Road, 0.2 mile south of its junction with CA-44, junction is 1.1 miles east of Shingletown
938
Comment
UCR206059
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2009-6-11
14974
Shasta
Southern Cascade Range, Long Hay Flat Road, 0.1 mile south of CA-44, junction is 8.6 miles east of Shingletown
1276
Comment
UCR215985
Horkelia tridentata subsp. tridentata
George K. Helmkamp, Amy Barnes
2009-7-12
15178
Placer
Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill
1370
Comment
UCR233127B
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2011-8-6
17985
Amador
Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88
2009
Comment
UCR237009
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2012-5-28
19076
El Dorado
Northern Sierra Nevada Mountains, 1.1 miles east of the E dam of Jenkinson Lake via Mormon Emigrant Trail, then 0.6 mile SE toward Fleming Meadow (?) on an unnamed road off Bonetti Rd.
1169
Comment
UCR237036
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2012-5-18
19009
El Dorado
Northern Sierra Nevada Mountains, along Mormon Emigrant Trail, 0.1 mile east of Pebble Canyon Road, SE of Pollock Pines, S of US Hwy 50
1495
Comment
UCR251261
Horkelia tridentata subsp. tridentata
George K. Helmkamp, E. A. Helmkamp
2012-7-6
19343
El Dorado
Northern Sierra Nevada Mountains, Ice House Road, 0.4 mile north of Ice House village, 10.9 miles north of the junction with US-50
1707
Comment
CAS-BOT-BC536318
Horkelia tridentata subsp. tridentata
Ira L. Wiggins
1971-7-28
21710
Tuolumne
Near bridge over Trout Creek on Forest Service Road 3N21, Stanislaus National Forest
1783
Comment
CAS-BOT-BC536319
Horkelia tridentata subsp. tridentata
Ira L. Wiggins
1971-5-27
21301
Tuolumne
Along south side of South Fork of Stanislaus River, NE of Lyon's Reservoir
1267
Comment
CAS-BOT-BC536320
Horkelia tridentata subsp. tridentata
Ira L. Wiggins
1971-5-28
21323
Tuolumne
North side of North Fork of Tuolumne River between North Fork Road adn Brown's Meadow
1408
Comment
CAS-BOT-BC536321
Horkelia tridentata subsp. tridentata
Ira L. Wiggins
1934-6-8
6819
Tuolumne
Pine Crest Recreation Area, Stanislaus National Forest
Comment
CAS-BOT-BC536322
Horkelia tridentata subsp. tridentata
Ira L. Wiggins
1958-6-22
14326
Tuolumne
0.8 mile north of Confidence
1371
Comment
CAS-BOT-BC536323
Horkelia tridentata subsp. tridentata
John Coulter
1938-6-22
28
Tuolumne
Hog Ranch, Mather
1400
Comment
CAS-BOT-BC536324
Horkelia tridentata subsp. tridentata
Rimo Bacigalupi
1926-5-9
1453
Tuolumne
Peach Growers Mill, middle fork of Tuolumne River, about 2 miles south of Mather
Comment
JEPS116582
Horkelia tridentata subsp. tridentata
Julie Kierstead Nelson with Rhonda Posey
2007-6-15
2007 -019
Siskiyou
North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N84 Mt. Shasta (in area burned by Hotlum Fire Feb 2006; ca. 4 mi NE of Town of Weed)
1249
Comment
RSA85212
Horkelia tridentata subsp. tridentata
F. W. Peirson
1926-6-21
6781
Butte
Butte Meadow, Humboldt Road
Comment
SEINET11911571
Horkelia tridentata subsp. tridentata
H. M. Hall, Chandler, H. P.
1900-1
68
Fresno
Pine Ridge, Sierra Nevada Mts
1615
Comment
SEINET3069280
Horkelia tridentata subsp. tridentata
Marcus E. Jones
1882-6-27
3291
Unknown
Emigrant Gap.
Comment
SEINET6768130
Horkelia tridentata subsp. tridentata
C. Fitz
1959-4-11
s.n.
El Dorado
Near Camino.
945
Comment
UC114312
Horkelia tridentata subsp. tridentata
C. A. Purpus
June 1897
1770
Tulare
Middle Tulare River
2133
Comment
UC12356
Horkelia tridentata subsp. tridentata
H. N. Bolander
1866-1
6292
Mariposa
Clark's Yosemite National Park
Comment
UC12373
Horkelia tridentata subsp. tridentata
Milo S. Baker
1893-6-20
Modoc
Comment
UC12374
Horkelia tridentata subsp. tridentata
Bolander
6292
Mariposa
Clark's Ranch
Comment
UC12375
Horkelia tridentata subsp. tridentata
C. B. Bradley
1879-1
Siskiyou
Comment
UC1237938
Horkelia tridentata subsp. tridentata
John Weiler and A. P. Nelson
May 26 1961-May 29 1961
61241
Plumas
2.3 e Deer Creek Pass (along routes 36 and 89)
Comment
UC1283728
Horkelia tridentata subsp. tridentata
Beecher Crampton
1964-7-21
7114
Placer
below Blue Canyon weather station (along US Hwy 40)
1524
Comment
UC14174
Horkelia tridentata subsp. tridentata
W. C. Blasdale
1895-5-23
Mariposa
Cocker's
Comment
UC453993
Horkelia tridentata subsp. tridentata
I. J. Condit
1911-7-4
Shasta
Shasta Retreat
Comment
UC473554
Horkelia tridentata subsp. tridentata
L. S. Rose
1931-4-14
Plumas
Woodleaf
Comment
UC545674
Horkelia tridentata subsp. tridentata
Milo S. Baker
1935-6-26
8093
Plumas
near Cabin (on Hwy 39); Child's Meadow
Comment
UC545845
Horkelia tridentata subsp. tridentata
Mrs. H. P. Bracelin
1931-5-30
360
Tehama
1 mi w Mineral (Mill Creek)
Comment
UC69381
Horkelia tridentata subsp. tridentata
J. Burtt Davy
May 18 1895-May 30 1895
1552
Calaveras
near Sperry's Hotel
Comment
UC73032
Horkelia tridentata subsp. tridentata
Milo S. Baker
1893-1
Modoc
Lava Beds
Comment
UC747003
Horkelia tridentata subsp. tridentata
G. T. Robbins
1943-3-28
975
El Dorado
5 mi ne Camino (along Mace Rd)
914
Comment
UC75493
Horkelia tridentata subsp. tridentata
Milo S. Baker
1898-7-10
342
Shasta
Stalker's
Comment
UC758289
Horkelia tridentata subsp. tridentata
Fred G. Meyer and Lillian E. Meyer
1947-7-2
2217
Fresno
near Dinky Creek; Sierra National Forest
1828
Comment
UC932071
Horkelia tridentata subsp. tridentata
Verne Grant and Alva Grant
1948-6-13
8581
Plumas
1 mi from Cascade (Lava Cap, on Oroville Rd)
Comment
CAS-BOT-BC143406
Horkelia tridentata var. tridentata
E. K. McPherson
1976-9-19
26 -28 10
Placer
One mile east of Talbot Campground; near Middle Fork American River
1767
Comment
CAS-BOT-BC536248
Horkelia tridentata var. tridentata
G. K. Helmkamp; E. A. Helmkamp
2008-6-23
13717
Amador
Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station, Northern Sierra Nevada Mountains
2075
Comment
CAS-BOT-BC536316
Horkelia tridentata var. tridentata
John H. Thomas
1962-5-26
9881
Tuolumne
Near Carnegie Instituion field station at Mather
1371
Comment
CAS-BOT-BC536317
Horkelia tridentata var. tridentata
John H. Thomas
1960-5-21
8743
Tuolumne
Near Carnegie Instituion field station at Mather
1371
Comment
CAS-BOT-BC540023
Horkelia tridentata var. tridentata
James R. Shevock; David Isle
1985-6-22
11268
Tehama
Northern Coast Ranges, Mendocino National Forest. along forest road 23N60 between Anthony Peak and Wells Cabin Meadow.
1900
Comment
CAS-BOT-BC540024
Horkelia tridentata var. tridentata
James Jokerst
1985-4-18
2253
Trinity
Trinity Alps Resort
700
Comment
CHSC112853
Horkelia tridentata var. tridentata
L. P. Janeway
2014-4-15
11226
Yuba
Northern High Sierra Nevada. Plumas National Forest; about halfway between Summit Hill and New Bullards Bar Reservoir (North Yuba River), near Road 18N01A close to its lower end.
860
Comment
CHSC115286
Horkelia tridentata var. tridentata
Lowell Ahart
2015-4-30
20126
Yuba
Open forest, on the north side of the gravel road, about 30 yards east of the gate, about 3/4 mile (air) southeast of Woodleaf.
948
Comment
CHSC116223
Horkelia tridentata var. tridentata
Lowell Ahart
2015-6-16
20239
Butte
On the west side of the paved road, about 4 miles (by road) northwest of Fall River Bridge, about 5 1/2 miles (air) northwest of Camp 18, about 9 miles (air) northeast of Feather Falls.
1406
Comment
CHSC117736
Horkelia tridentata var. tridentata
Lowell Ahart; John Dittes, Josephine Guardino
2016-9-21
21355
Tehama
A little east of the large bog, about 300 yards east of the spring, east of the camping area, west side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mt., 10.41 air-miles south of Lassen Peak.
1474
Comment
HSC12274
Horkelia tridentata var. tridentata
Richard Spjut
1970-7-18
469
Siskiyou
8 mi. E of Mt. Shasta just off Hwy. 89
1220
Comment
HSC26685
Horkelia tridentata var. tridentata
D. H. Norris, S. Dowty, Thomas W. Nelson
1971-6-21
19114
Shasta
Along Hwy. 44 about 10 mi. E of Shingletown
Comment
HSC29910
Horkelia tridentata var. tridentata
D. H. Norris, Thomas W. Nelson, S. Dowty
1971-6-23
19508
Modoc
Big Valley Summit, 6 mi. W of Adin on Hwy. 299
Comment
HSC33456
Horkelia tridentata var. tridentata
Thomas W. Nelson, James Nelson
1974-6-17
1353
Placer
Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line
Comment
HSC82204
Horkelia tridentata var. tridentata
Thomas W. Nelson, Jane P. Nelson
1980-7-5
5969
Siskiyou
Fowler's Campground
1006
Comment
JEPS120279
Horkelia tridentata var. tridentata
Barbara Ertter with R. K. Brummitt, K. VanZuuk, S. Namoff
2012-6-12
21031
Placer
across Forest Road 24 from Parker Flat OHV staging area, SE of Sugarpine Reservoir ca 10.5 airmiles ENE of Colfax
Comment
JEPS121742
Horkelia tridentata var. tridentata
L. P. Janeway
2014-4-15
11226
Yuba
Northern High Sierra Nevada. Plumas National Forest; about halfway between Summit Hill and New Bullards Bar Reservoir (North Yuba River), near Road 18N01A close to its lower end.
Comment
JEPS123872
Horkelia tridentata var. tridentata
Lowell Ahart
2015-4-30
20126
Yuba
About 3/4 mile (air) southeast of Woodleaf.
Comment
JEPS124020
Horkelia tridentata var. tridentata
Lowell Ahart
2015-6-16
20239
Butte
About 4 miles (by road) northwest of Fall River Bridge, about 5 1/2 miles (air) northwest of Camp 18, about 9 miles (air) northeast of Feather Falls.
Comment
OBI10077
Horkelia tridentata var. tridentata
Lewis S. Rose
1967-6-12
67110
Plumas
Butterfly Valley, ca 3 mi W of Keddie
1219
Comment
OBI76960
Horkelia tridentata var. tridentata
Anthony Baniaga
2011-7-7
425
Shasta
Lassen Natl Forest. About a 1/2 mi SW of Signal Butte. Swains Hole quad. T32N R6E sec 7 NE of SE
1653
Comment
RSA782549
Horkelia tridentata var. tridentata
George K. Helmkamp, Amy Barnes
2009-7-12
15178
Placer
Along Foresthill Road 10.3 miles northeast of the town of Foresthill
1370
Comment
SBBG128604
Horkelia tridentata var. tridentata
G. K. Helmkamp, E. A. Helmkamp
2012-5-28
19076
El Dorado
1.1 mi E of the E dam of Jenkinson Lake via Mormon Emigrant Trail, then 0.6 mi SE toward Fleming Meadow (?) on an unnamed rd off Bonetti Rd
1169
Comment
SD2233
Horkelia tridentata var. tridentata
E. B. Copeland
1929-7-23
370
Butte
Jonesville
1550
Comment
SD235007
Horkelia tridentata var. tridentata
G. K. Helmkamp, E. A Helmkamp
2007-6-6
12261
El Dorado
Northern Sierra Nevada Mountains: along Mormon Emigrant Trail, 8.3 miles east of its junction with Sly Park Road (Old Iron Mountain 7.5' Q)
1616
Comment
SD237590
Horkelia tridentata var. tridentata
G. K Helmkamp, Amy Barnes
2009-7-12
15178
Placer
Sierra Nevada Mountains Foothills: along Foresthill Road, 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q)
1370
Comment
SD241171
Horkelia tridentata var. tridentata
George K. Helmkamp, E. A. Helmkamp
2011-8-6
17985
Amador
Northern Sierra Nevada Mountains: Ellis Road, 0.2 miles south of its junction with CA-88 (Peddler Hill 7.5'Q)
2009
Comment
SJSU8348
Horkelia tridentata var. tridentata
W. Savage
1971-7-7
721
Alpine
Hells Kitchen Vista Point on Hwy 4 c. 0.5 mi S of Tamarack Lodge (c. 5 mi N of Ebbetts Pass)
2103
Comment
SJSU8522
Horkelia tridentata var. tridentata
D. L. Sanders
1957-4-18
43
Calaveras
above San Antonio Cr, White Pines
1219
Comment
UC2014127
Horkelia tridentata var. tridentata
Ellen Dean, K. Mawdsley, M. Starbuck, M. Luzan Anzola, P. Berry
2012-6-24
7388
Shasta
Shasta County: Along Hwy 44, ca. 10 miles E of Shingletown. North and south sides of road.
Comment
UC2014144
Horkelia tridentata var. tridentata
Ellen Dean, T. Starbuck, M. Starbuck, G. Golden, J. Ong, A. Ayalon, C. Loughran
2011-8-8
7134
El Dorado
El Dorado County: Lake Tahoe Basin. Sugar Pine Point State Park on W side of Hwy. 89. Meadow known as 'Olympic Meadow' on S side of South Fire Road, just E of bridge known as 'Second Bridge.' About 100 feet south of road.
Comment
UC2026981
Horkelia tridentata var. tridentata
Anthony Baniaga
2011-7-7
425
Shasta
Lassen National Forest. About a 1/2 mile S of Signal Butte
Comment
UCD113568
Horkelia tridentata var. tridentata
E. B. Copeland
1929-7-23
370
Butte
Jonesville.
1550
Comment
UCD113569
Horkelia tridentata var. tridentata
Joseph M. DiTomaso
1976-5-23
475
Butte
Peninsula on south side of Lake Oroville.
274
Comment
UCD113570
Horkelia tridentata var. tridentata
G. K. Helmkamp; E. A. Helmkamp
2005-7-31
9747
El Dorado
Northern Sierra Nevada: 20 mi. WSW of Lake Tahoe; Ice House Road, N of CA Highway 50 and 1.5 mi. S of junction with Ice House Reservoir.
Comment
UCD113571
Horkelia tridentata var. tridentata
G. K. Helmkamp; E. A. Helmkamp
2006-5-20
10515
El Dorado
Northern Sierra Nevada: ca. 5 air mi off CA Hwy 193, E of Georgetown; 1.7 mi. N of Wentworth Springs Road on Bottlehill Road (junction just E of Balderson Station).
Comment
UCD113572
Horkelia tridentata var. tridentata
G. K. Helmkamp; E. A. Helmkamp
2007-5-23
12061
Placer
Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville.
Comment
UCD113573
Horkelia tridentata var. tridentata
G. K. Helmkamp; E. A. Helmkamp
2007-6-6
12261
El Dorado
Northern Sierra Nevada Mountains: along Mormon Emigrant Trail, 8.3 miles east of its junction with Sly Park Road.
1616
Comment
UCD113574
Horkelia tridentata var. tridentata
G. K. Helmkamp; E. A. Helmkamp, Amy Barnes
2007-6-20
12364
El Dorado
Northern Sierra Nevada Mountains: along Mormon Emigrant Trail, 13.2 miles ESE of its junction with Sly Park Road at Jenkinson Lake.
1976
Comment
UCD113575
Horkelia tridentata var. tridentata
G. F. Hrusa; T. D. Wilfred
1996-6-10
12961
Shasta
Along USFS S16 approx. 1 mile N of Hwy 44 intersection. Lassen National Forest.
1635
Comment
UCD123135
Horkelia tridentata var. tridentata
Ellen Dean; K. Mawdsley, M. Starbuck,M. Luzan Anzola, P. Berry
2012-6-24
7388
Shasta
Along Hwy 44, ca. 10 miles E of Shingletown. North and south sides of road.
1225
Comment
CAS-BOT-BC536244
Horkelia tridentata var. tridentata
Carl B. Wolf
1933-5-24
4911
Amador
11 1/2 miles east of Pine Grove on Carson Pass Highway, west slope Sierra Nevada
1219
Comment
CAS-BOT-BC536245
Horkelia tridentata var. tridentata
Geo. Hansen
1892-7-1
294
Amador
Antelope
1219
Comment
CAS-BOT-BC536246
Horkelia tridentata var. tridentata
D. E. Breedlove; M. Bourell; R. Patterson
1986-6-5
62627
Amador
West slope of Carson Pass above Ham Station
1980
Comment
CAS-BOT-BC536247
Horkelia tridentata var. tridentata
D. E. Breedlove
1983-5-31
58777
Amador
5 miles above Fiddletown
1219
Comment
CAS-BOT-BC536249
Horkelia tridentata var. tridentata
Lowell Ahart
1982-6-4
3538
Butte
1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls
1000
Comment
CAS-BOT-BC536250
Horkelia tridentata var. tridentata
Lowell Ahart
1985-5-15
5001
Butte
1/8 mile east of the dirt road, 1 1/2 miles north-east of Concow Res.
800
Comment
CAS-BOT-BC536251
Horkelia tridentata var. tridentata
H. F. Copeland
1920-7-11
53
Butte
By Butte Creek
1828
Comment
CAS-BOT-BC536252
Horkelia tridentata var. tridentata
H. F. Copeland
1929-6-9
1226
Butte
Jonesville
1524
Comment
CAS-BOT-BC536253
Horkelia tridentata var. tridentata
H. F. Copeland
1929-6-9
1226
Butte
Jonesville
1524
Comment
CAS-BOT-BC536254
Horkelia tridentata var. tridentata
A. A. Heller
1915-6-27
12043
Butte
Jonesville in the Sierra Nevada
1676
Comment
CAS-BOT-BC536255
Horkelia tridentata var. tridentata
A. A. Heller
1915-6-27
12043
Butte
Jonesville in the Sierra Nevada
1676
Comment
CAS-BOT-BC536256
Horkelia tridentata var. tridentata
A. A. Heller
1913-6-7
10793
Butte
Near Stirling
1036
Comment
CAS-BOT-BC536257
Horkelia tridentata var. tridentata
A. A. Heller
1914-5-18
11413
Butte
Near Forest Ranch, west slope of the Sierra
822
Comment
CAS-BOT-BC536258
Horkelia tridentata var. tridentata
A. A. Heller
1914-5-18
11413
Butte
Near Forest Ranch, west slope of the Sierra
822
Comment
CAS-BOT-BC536259
Horkelia tridentata var. tridentata
H. C. Cantelow
1940-5-10
s.n.
Butte
2.3 miles west of Brush Creek Ranger Station
Comment
CAS-BOT-BC536260
Horkelia tridentata var. tridentata
Mrs. J. H. Morrison
1932-5-30
s.n.
Butte
Durham
Comment
CAS-BOT-BC536261
Horkelia tridentata var. tridentata
E. B. Copeland
1929-7-23
370
Butte
Jonesville
1550
Comment
CAS-BOT-BC536262
Horkelia tridentata var. tridentata
E. B. Copeland
1929-7-23
370
Butte
Jonesville
1550
Comment
CAS-BOT-BC536263
Horkelia tridentata var. tridentata
E. B. Copeland
1929-7-23
370
Butte
Jonesville
1550
Comment
CAS-BOT-BC536264
Horkelia tridentata var. tridentata
Helen M. Edwards
1917-6-1
s.n.
Butte
De Sabla
Comment
CAS-BOT-BC536265
Horkelia tridentata var. tridentata
Javier Penalosa
1962-6-18
2470
Butte
Near confluence of French and Peavine Creeks
640
Comment
CAS-BOT-BC536266
Horkelia tridentata var. tridentata
Beecher Crampton
1977-8-17
9519
El Dorado
Meyers
Comment
CAS-BOT-BC536267
Horkelia tridentata var. tridentata
G. Thomas Robbins
1945-8-5
2088
El Dorado
Above north shore of Rockbound Lake, Rockbound Valley, Desolation Valley Wilderness Area
2011
Comment
CAS-BOT-BC536268
Horkelia tridentata var. tridentata
H. M. Hall
1921-6-24
11278
El Dorado
Sky Park
1066
Comment
CAS-BOT-BC536269
Horkelia tridentata var. tridentata
Elizabeth McClintock
1969-6-1
s.n.
El Dorado
Leonardi Springs adn immediate vicinity, between Blodgett Forest and canyon of the Rubicon River
1371
Comment
CAS-BOT-BC536270
Horkelia tridentata var. tridentata
Clarence R. Quick
1936-7-7
1690
El Dorado
Between north fork of Silver Creek and Robb's Peak, El Dorado National Forest
1828
Comment
CAS-BOT-BC536271
Horkelia tridentata var. tridentata
B. Crampton
1956-6-22
3593
El Dorado
1 mile west of Omo Ranch Post Office
1005
Comment
CAS-BOT-BC536272
Horkelia tridentata var. tridentata
J. Von Loh
1978-6-2
60364 A
Fresno
Meadow near Shaver Lake
1676
Comment
CAS-BOT-BC536273
Horkelia tridentata var. tridentata
James R. Shevock
1982-7-9
9861
Fresno
Along FS road 13S54 between Big Stump Meadow adn California Highway 180, Kings River Drainage, Converse Basin, Sequoia National Forest
1950
Comment
CAS-BOT-BC536274
Horkelia tridentata var. tridentata
James R. Shevock
1981-6-14
8763
Fresno
In Indian Basin adjacent to Princess Campground, Kings River Drainage, Sequoia National Forest, Southern Sierra Nevada
1828
Comment
CAS-BOT-BC536275
Horkelia tridentata var. tridentata
James R. Shevock
1981-5-28
8662
Fresno
Wishon Reservoir, North Fork Kings River Drainage, Sierra National Forest, Southern Sierra Nevada
2042
Comment
CAS-BOT-BC536276
Horkelia tridentata var. tridentata
James R. Shevock
1980-7-8
7702
Fresno
About the base of Lava Butte, Ten Mile Creek watershed, Kings River Drainage, Sequoia National Forest, Southern Sierra Nevada
1828
Comment
CAS-BOT-BC536277
Horkelia tridentata var. tridentata
H. M. Hall; H. P. Chandler
1900-6-15
68
Fresno
Pine Ridge, Sierra Nevada Mountains
1615
Comment
CAS-BOT-BC536278
Horkelia tridentata var. tridentata
Walter Knight; Irja Knight
1968-6-18
2339
Plumas
7 miles west of La Porte
1341
Comment
CAS-BOT-BC536279
Horkelia tridentata var. tridentata
Walter Knight; Irja Knight
1967-5-22
1899
Plumas
Butterfly Canyon, Butterfly Botanical Area and Vicinity
1066
Comment
CAS-BOT-BC536280
Horkelia tridentata var. tridentata
Walter Knight; Irja Knight; John Thomas Howell; Gordon True
1967-6-12
2089
Plumas
Pond Reservoir, Butterfly Botanical Area and Vicinity
1097
Comment
CAS-BOT-BC536281
Horkelia tridentata var. tridentata
Walter Knight; Irja Knight; John Thomas Howell; Gordon True
1967-6-12
1969
Plumas
Valley proper, Butterfly Botanical Area and Vicinity
1066
Comment
CAS-BOT-BC536282
Horkelia tridentata var. tridentata
Walter Knight; Irja Knight; John Thomas Howell
1966-7-28
1483
Plumas
Trestle Glen, Butterfly Botanical Area and Vicinity
1112
Comment
CAS-BOT-BC536283
Horkelia tridentata var. tridentata
L. S. Rose
1931-4-14
s.n.
Plumas
Woodleaf
Comment
CAS-BOT-BC536284
Horkelia tridentata var. tridentata
H. H. G.
1913-5-7
38
Plumas
Swayne [Swain] Lbr
792
Comment
CAS-BOT-BC536285
Horkelia tridentata var. tridentata
Lewis S. Rose
1967-6-19
67110
Plumas
Butterfly Valley, ca. 3 miles west of Keddie
1036
Comment
CAS-BOT-BC536286
Horkelia tridentata var. tridentata
Ella Dales Cantelow
1938-6-10
4320
Shasta
16 miles NW of Burney Falls
Comment
CAS-BOT-BC536287
Horkelia tridentata var. tridentata
H. E. Brown
1897-5-15
263
Shasta
Near Pit River Ferry
274
Comment
CAS-BOT-BC536288
Horkelia tridentata var. tridentata
Christopher Davidson
1973-5-26
2168
Shasta
Ca. 15 miles west of Burney on St. Hwy. 299
914
Comment
CAS-BOT-BC536289
Horkelia tridentata var. tridentata
L. E. Smith
1913-5-6
188
Shasta
Castella
Comment
CAS-BOT-BC536290
Horkelia tridentata var. tridentata
Ellsworth Bethel
1923-5-30
s.n.
Shasta
Burney
Comment
CAS-BOT-BC536291
Horkelia tridentata var. tridentata
L. E. Smith
1913-4-26
136
Shasta
Anderson
Comment
CAS-BOT-BC536292
Horkelia tridentata var. tridentata
Alice Eastwood
1912-6-27
639
Shasta
Montgomery Creek
Comment
CAS-BOT-BC536293
Horkelia tridentata var. tridentata
Alice Eastwood; John Thomas Howell
1940-6-10
7893
Shasta
Hatchet Mt.
Comment
CAS-BOT-BC536294
Horkelia tridentata var. tridentata
Alice Eastwood; John Thomas Howell
1934-4-21
1816
Shasta
Charlie Creek
Comment
CAS-BOT-BC536295
Horkelia tridentata var. tridentata
David D. Keck; A. Gustafsson
1938-8-9
4890
Shasta
1/2 mile east of Burney Spring, south side of Burney Mtn.
Comment
CAS-BOT-BC536296
Horkelia tridentata var. tridentata
David D. Keck; A. Gustafsson
1938-8-9
4890
Shasta
1/2 mile east of Burney Spring, south side of Burney Mtn.
Comment
CAS-BOT-BC536297
Horkelia tridentata var. tridentata
David D. Keck; A. Gustafsson
1938-8-9
4890
Shasta
1/2 mile east of Burney Spring, south side of Burney Mtn.
Comment
CAS-BOT-BC536298
Horkelia tridentata var. tridentata
H. D. Ripley; R. C. Barneby
1948-7-6
9649
Shasta
South base of Castle Rock
1900
Comment
CAS-BOT-BC536299
Horkelia tridentata var. tridentata
Roxana S. Ferris; Laura Lorraine
1941-8-10
10493
Shasta
State Highway 89, 3-4 miles east of McCloud and Bratle
Comment
CAS-BOT-BC536300
Horkelia tridentata var. tridentata
F. Almeda; R. Eisenhardt
1995-5-29
7416
Shasta
Willow Creek Ranch about 6.8 miles south of the intersection of Calif. State road #89 and Squaw Valley Road in McCloud
883
Comment
CAS-BOT-BC536301
Horkelia tridentata var. tridentata
Annie M. Alexander; Louise Kellogg
1944-6-2
3609
Tuolumne
Twain Harte Post Office, Sierra Nevada
1219
Comment
CAS-BOT-BC536302
Horkelia tridentata var. tridentata
Annie M. Alexander; Louise Kellogg
1944-6-2
3609
Tuolumne
Twain Harte Post Office, Sierra Nevada
1219
Comment
CAS-BOT-BC536303
Horkelia tridentata var. tridentata
Annie M. Alexander; Louise Kellogg
1944-6-24
3753
Tuolumne
Dardanelle, Sierra Nevada
1760
Comment
CAS-BOT-BC536304
Horkelia tridentata var. tridentata
David D. Keck; Wm. M. Heusi
1927-7-14
284
Tuolumne
Hog Ranch, Mather, Sierra Nevada
1402
Comment
CAS-BOT-BC536305
Horkelia tridentata var. tridentata
David D. Keck; Wm. M. Heusi
1927-7-14
284
Tuolumne
Hog Ranch, Mather, Sierra Nevada
1402
Comment
CAS-BOT-BC536306
Horkelia tridentata var. tridentata
David D. Keck
1931-6-3
1203
Tuolumne
Mather, Yosemite National Park, Sierra Nevada Mountains
1402
Comment
CAS-BOT-BC536307
Horkelia tridentata var. tridentata
C. R. Quick
1935-6-16
1454
Tuolumne
North edge of south fork of Fahey Meadow
1584
Comment
CAS-BOT-BC536308
Horkelia tridentata var. tridentata
Clarence R. Quick
1936-6-4
1569
Tuolumne
Strawberry Peak Ridge
1798
Comment
CAS-BOT-BC536309
Horkelia tridentata var. tridentata
Clarence R. Quick
1934-6-24
1318
Tuolumne
Hill just south of Packer Burt, Reed's Meadow, Stanislaus National Forest
Comment
CAS-BOT-BC536310
Horkelia tridentata var. tridentata
Alice Eastwood
1907-8-7
140
Tuolumne
South fork Tuolumne River, Yosemite National Park
Comment
CAS-BOT-BC536311
Horkelia tridentata var. tridentata
H. C. Cantelow
1940-5-25
s.n.
Tuolumne
West of Long Barn
Comment
CAS-BOT-BC536312
Horkelia tridentata var. tridentata
Chester Dudley
1940-6-1
s.n.
Tuolumne
Pine Crest
Comment
CAS-BOT-BC536313
Horkelia tridentata var. tridentata
Mrs. E. C. Van Dyke
1931-6-7
s.n.
Tuolumne
Sonora
Comment
CAS-BOT-BC536314
Horkelia tridentata var. tridentata
M. S. Jussel
1930-6-27
s.n.
Tuolumne
Camp Baxter, north fork Stanislaus River
Comment
CAS-BOT-BC536315
Horkelia tridentata var. tridentata
M. S. Jussel
1930-6-27
s.n.
Tuolumne
Camp Baxter, north fork Stanislaus River
1706
Comment
CAS-BOT-BC537949
Horkelia tridentata var. tridentata
Margaret J. Williams
1986-6-9
86- 64 -3
Placer
South of I-80 near Cisco Grove.
1743
Comment
CAS-BOT-BC537950
Horkelia tridentata var. tridentata
H. D. Ripley; R. C. Barneby
1948-7-13
9819
Placer
SW. of Emigrant Gap
1676
Comment
CAS-BOT-BC537973
Horkelia tridentata var. tridentata
Clare B. Hardham
1961-6-14
7366
Placer
Baxter Rte 40
Comment
CAS-BOT-BC537974
Horkelia tridentata var. tridentata
Lewis S. Rose
1940-5-29
40418
Placer
Cisco
1737
Comment
CAS-BOT-BC537975
Horkelia tridentata var. tridentata
Junea Kelly
1921-7-1
s. n.
Placer
Near Placerville
Comment
CAS-BOT-BC537976
Horkelia tridentata var. tridentata
Marcus E. A M Jones
1882-6-27
3291
Placer
Emigrant Gap
Comment
CAS-BOT-BC537977
Horkelia tridentata var. tridentata
Marcus E. A M Jones
1882-6-27
3291
Placer
Emigrant Gap
Comment
CAS-BOT-BC537978
Horkelia tridentata var. tridentata
Marcus E. A M Jones
1882-6-27
3291
Placer
Emigrant Gap
Comment
CAS-BOT-BC537979
Horkelia tridentata var. tridentata
A. A. Heller
1917-6-17
12705
Placer
gravelly places along the Yuba River below Cisco
1676
Comment
CAS-BOT-BC537980
Horkelia tridentata var. tridentata
A. A. Heller
1917-6-17
12705
Placer
gravelly places along the Yuba River below Cisco
1676
Comment
CAS-BOT-BC537981
Horkelia tridentata var. tridentata
James L. Walters
1940-5-11
s. n.
Placer
Near Yuba Pass overhead; east of Emigrant Gap.
Comment
CAS-BOT-BC537982
Horkelia tridentata var. tridentata
Dr. A. Kellogg
1870-6-14
s. n.
Placer
Cisco
Comment
CAS-BOT-BC537983
Horkelia tridentata var. tridentata
Belle R. Jackson
1932-6-1
s. n.
Placer
Gold Run, above Colfax
Comment
CAS-BOT-BC537984
Horkelia tridentata var. tridentata
G. T. Nordstrom
1934-6-21
149
Placer
CA. Forest & Range Experiment Station: 3 mi. W by NW of Mammoth Springs
1584
Comment
CAS-BOT-BC537985
Horkelia tridentata var. tridentata
Marcus E. A M Jones
1882-6-27
3291
Placer
Emigrant Gap
Comment
CAS-BOT-BC537986
Horkelia tridentata var. tridentata
Roxana S. Ferris
1957-8-9
13099
Placer
Cleared area in pines around aeroplane becon, along U.S. Highway 40 just west of Emigrant Gap
Comment
CAS-BOT-BC537987
Horkelia tridentata var. tridentata
Saichi Kawahara
1969-5-24
847
Placer
Near garden, Henderson Ranch, Indian Creek
1005
Comment
CAS-BOT-BC537988
Horkelia tridentata var. tridentata
John Thomas Howell
1923-7-30
184
Mariposa
Sandy flat of Wawona Meadow
1219
Comment
CAS-BOT-BC537989
Horkelia tridentata var. tridentata
J. W. Congdon
1893-5-30
s. n.
Mariposa
Red Cloud
Comment
CAS-BOT-BC537990
Horkelia tridentata var. tridentata
W. R. Dudley
1893-6-11
s. n.
Mariposa
Woods below Wawona Point
Comment
CAS-BOT-BC537991
Horkelia tridentata var. tridentata
H. N. Bolander
1866-1-1
6292
Mariposa
Clark's Ranch on the Merced nr Yosemite
1219
Comment
CAS-BOT-BC537992
Horkelia tridentata var. tridentata
John Thomas Howell
1924-5-10
303 D
Mariposa
Wawona
1219
Comment
CAS-BOT-BC537993
Horkelia tridentata var. tridentata
Henry M. Pollard
1936-7-1
s. n.
Nevada
Rainbow Tavern, Donner region
1828
Comment
CAS-BOT-BC537994
Horkelia tridentata var. tridentata
Helen True; Virginia Storz
1962-5-17
625
Nevada
Scotts Flat Reservoir about 5.5 miles east of Nevada City
944
Comment
CAS-BOT-BC537995
Horkelia tridentata var. tridentata
Gordon H. True
1964-5-20
1410
Nevada
Chalk Bluff Rd. on Chalk Bluff Ridge about 2.5 miles south of Nevada City - Yuba Gap Hiway.
1371
Comment
CAS-BOT-BC537996
Horkelia tridentata var. tridentata
Gordon H. True
1962-4-25
475
Nevada
Harmony Ridge, about 5.5 miles east of Nevada City - Yuba Gap Hiway.
1158
Comment
CAS-BOT-BC537997
Horkelia tridentata var. tridentata
Gordon H. True
1963-5-12
1244
Nevada
Just west of Grass Valley on Marysville Highway
792
Comment
CAS-BOT-BC537998
Horkelia tridentata var. tridentata
Alice Eastwood
1918-4-8
s. n.
Nevada
Nevada City
Comment
CAS-BOT-BC537999
Horkelia tridentata var. tridentata
Alice Eastwood
1912-6-20
506
Nevada
Grass Valley
Comment
CAS-BOT-BC538000
Horkelia tridentata var. tridentata
W. R. Dudley
1893-6-14
s. n.
Nevada
Unspecified: 'God's Country'
Comment
CAS-BOT-BC539426
Horkelia tridentata var. tridentata
Julie Kierstead Nelson; Rhonda Posey
2007-6-15
2007 -019
Siskiyou
North side of Mt. shasta, south of Hwy. 97, along Forest Service Rd. 42N84; in area burned by Hotlum Fire in february 2006; CA. 4 miles NE of town of Weed.
1249
Comment
CAS-BOT-BC539427
Horkelia tridentata var. tridentata
B. Bartholomew; B. Anderson
1988-5-12
4084
Siskiyou
4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road
1140
Comment
CAS-BOT-BC539428
Horkelia tridentata var. tridentata
W. B. Cooke; V. G. Cooke
1972-6-7
45457
Siskiyou
Along Mud Creek Dam Road, Mt. Shasta
Comment
CAS-BOT-BC539429
Horkelia tridentata var. tridentata
Elmer I. Applegate
1895-5-29
s.n.
Siskiyou
Canyon of the Sacramento River below Sisson
Comment
CAS-BOT-BC539430
Horkelia tridentata var. tridentata
Wm. Bridge Cooke
1940-6-26
15048
Siskiyou
Openings in the woods and brush along the Castle Lake road (west of Shasta Springs)
Comment
CAS-BOT-BC539431
Horkelia tridentata var. tridentata
Wm. Bridge Cooke
1940-7-6
15097
Siskiyou
Dry openings in pine woods along the Pacific Highway, US99, between Mount Shasta City and Black Butte
Comment
CAS-BOT-BC539432
Horkelia tridentata var. tridentata
Alice Eastwood
1922-10-18
11518
Siskiyou
Shasta Springs
Comment
CAS-BOT-BC539433
Horkelia tridentata var. tridentata
Alice Eastwood
1912-7-15
1062
Siskiyou
McCloud
Comment
CAS-BOT-BC539434
Horkelia tridentata var. tridentata
A. A. Heller
1916-8-24
12565
Siskiyou
Near Sisson
1074
Comment
CAS-BOT-BC539435
Horkelia tridentata var. tridentata
Louis C. Wheeler
1934-6-29
2821
Siskiyou
Beaver Creek, Siskiyou Mountains, Mt. Diablo Mer.
1341
Comment
CAS-BOT-BC539436
Horkelia tridentata var. tridentata
Alice Eastwood; John Thomas Howell
1934-4-20
1797
Siskiyou
Weed
Comment
CAS-BOT-BC539437
Horkelia tridentata var. tridentata
Wm. F. Herrin; L. E. Smith
1919-6-16
s.n.
Siskiyou
Shasta Springs
Comment
CAS-BOT-BC539438
Horkelia tridentata var. tridentata
A. A. Heller
1916-8-24
12565
Siskiyou
Near Sisson
1074
Comment
CAS-BOT-BC539439
Horkelia tridentata var. tridentata
Rattan
1879-1-1
s.n.
Siskiyou
Siskiyou Mountains
Comment
CAS-BOT-BC539440
Horkelia tridentata var. tridentata
R. E. Frenkel
1964-7-14
687
Siskiyou
At Howard near Mount Shasta
1219
Comment
CAS-BOT-BC539451
Horkelia tridentata var. tridentata
W. R. Dudley
1893-6-14
s. n.
Nevada
P Klink's meadow near Nevada City [note: Nevada City is in Nevada Co.; Klink's Meadow is in Siskiyou Co.]
Comment
CAS-BOT-BC539452
Horkelia tridentata var. tridentata
W. R. Dudley
1893-6-11
s. n.
Nevada
Sugar Loaf Hill, Nevada City
Comment
CAS-BOT-BC539453
Horkelia tridentata var. tridentata
Lewis S. Rose
1970-5-28
70064
Nevada
Bear Valley below Emigrant Gap, Highway 20
1402
Comment
CAS-BOT-BC539454
Horkelia tridentata var. tridentata
Gordon H. True; J. T. Howell
1967-8-16
3763
Nevada
Eagle Lake Road ca. 1.5 miles south of Eagle Lakes
1676
Comment
CAS-BOT-BC540021
Horkelia tridentata var. tridentata
George W. Gillett
1957-7-8
676
Shasta
Lassen Volcanic National Park, Lost Creek, 1/4-mile south of burney highway, 5.8 miles northeast of Manzanita Lake Entrance station
1584
Comment
CAS-BOT-BC540022
Horkelia tridentata var. tridentata
John Thomas Howell
1960-4-20
36272
Tehama
Lassen Volcanic National Park, Morgan
1463
Comment
CAS-BOT-BC540025
Horkelia tridentata var. tridentata
James R. Shevock
1980-7-4
7669
Tulare
Southern sierra Nevada, Crescent Meadow east of Giant Forest, Kaweah River Drainage, Sequoia National Park.
2072
Comment
CAS-BOT-BC540026
Horkelia tridentata var. tridentata
W. R. Dudley
1900-8-6
3090
Tulare
Becky's Gap, near Grant National Park
1828
Comment
CAS-BOT-BC540027
Horkelia tridentata var. tridentata
M. S. Jessel
1927-6-29
s.n.
Tulare
General Grant National Park
Comment
CAS-BOT-BC540028
Horkelia tridentata var. tridentata
Peter H. Raven
1953-5-9
5472
Yuba
1 mile from Brownville on road to Challenge
Comment
SBBG128599
Horkelia tridentata var. tridentata
G. K. Helmkamp, E. A. Helmkamp
2012-5-18
19009
El Dorado
Mormon Emigrant Trail, 0.1 mi E of Pebble Cyn Rd, SE of Pollock Pines, S of US Hwy 50
1495
Comment
SD131068
Horkelia tridentata var. tridentata
D. E. Breedlove, M. Bourell, R. Patterson
1986-6-5
62627
Amador
W slope of Carson Pass above Ham Station
1980
Comment
SJSU13387
Horkelia tridentata var. tridentata
C. W. Sharsmith
1948-6-24
5577
Tuolumne
near Hog Ranch Meadow
1432
Comment