ARIZ
430025 George K. Helmkamp 20620 2013-05-17
United States, California, Calaveras, Northern Sierra Nevada Mountains Foothills: Poloma Road at its junction with Cosgrove Creek Road, 3 miles NE (30°) of Valley Springs (Valley Springs 7.5' Q.), 38.231667 -120.800833, 279m
UCR
George K. Helmkamp 14845 2009-05-28
United States, California, Sierra, along CA-49, 1.6 miles north of the Yuba County line, 39.49917 -121.01472, 902m
UCR
George K. Helmkamp 19145 2012-06-06
United States, California, Amador, Panther Creek Road, 6.2 miles south of its junction with CA-88, 5.9 mi. SW (245°) of Bear River Reservoir dam, 38.50361 -120.35833, 1438m
UCR
George K. Helmkamp 17444 2011-06-02
United States, California, Nevada, 2 miles SW (241°) of French Corral, Pleasant Valley Road just south of the bridge over the South Fork of the Yuba River, 39.29222 -121.19417, 180m
UCR
George K. Helmkamp 12354 2007-06-12
United States, California, Nevada, Bowman Lake Road, 2.9 miles north of its junction with Hwy CA-20; just north of the South Yuba River, 39.32917 -120.65389, 1451m
UCR
George K. Helmkamp 12357 2007-06-12
United States, California, Nevada, Bowman Lake Road, 2.9 miles north of its junction with Hwy CA-20; just north of the South Yuba River, 39.32917 -120.65389, 1451m
UCR
George K. Helmkamp 19087 2012-05-31
United States, California, Calaveras, CA-26, 2.2 km NE (63°) of Glencoe, 0.8 mile west of the crossing over the South Fork Mokelumne River, 38.36306 -120.56139, 741m
UCR
Jim André 19706 1993-06-05
United States, California, Lassen, Honey Lake Valley, c. 3 mi. SE of Susanville, just south of airport; Honey Lake Valley, 40.3707 -120.57357, 1256m
UCR
George K. Helmkamp 19273 2012-06-26
United States, California, Amador, Panther Creek Road, 4.1 miles south of its junction with CA-88, south of Hwy 88/Carson Pass Hwy. and west of Lower Bear Reservoir, 38.51806 -120.35889, 1518m
UCR
George K. Helmkamp 15061 2009-06-29
United States, California, El Dorado, Ice House Road, 0.2 miles north of its junction with CA-50, c. 7.3 miles ENE (83°) of Pollock Pines, 38.77306 -120.44972, 989m
UCR
George K. Helmkamp 17678 2011-07-09
United States, California, Placer, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill, 39.03889 -120.86972, 764m
UCR
George K. Helmkamp 19107 2012-05-31
United States, California, Calaveras, Winton Road, 4.1 miles east of its junction with CA-26, NE of West Point, 38.43 -120.4725, 1072m
UCR
George K. Helmkamp 13404 2008-05-08
United States, California, Calaveras, Ridge Road, 1.6 miles east of CA-26, southeast of Glencoe, 38.33917 -120.55278, 866m
UCR
George K. Helmkamp 12021 2007-05-18
United States, California, Placer, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill, 39.01917 -120.78333, 793m
UCR
George K. Helmkamp 17638 2011-07-07
United States, California, El Dorado, Park Creek Road, 0.4 mile east of its junction with Old Sly Park Road, southeast of Pollock Pines, 0.7 mi. SSW (191°) of Fresh Pond, 38.75056 -120.5325, 1250m
UCR
George K. Helmkamp 20882 2013-06-19
United States, California, El Dorado, Mormon Emigrant Trail, 8.3 miles east of its junction with Hwy E-16 at Jenkinsons Lake, 38.71333 -120.44639, 1456m
UCR
George K. Helmkamp 20620 2013-05-17
United States, California, Calaveras, Poloma Road at its junction with Cosgrove Creek Road, 3 miles NE (30°) of Valley Springs, 38.23167 -120.80083, 279m
UCR
Elizabeth Painter HL-636 1994-06-20
United States, California, Monterey, Fort Hunter Liggett Training Area 23, c. 1.0 air km north-northwest of summit of Burro Mountain, c. 2.0 air km southwest of Generals Reservoir, 35.87806 -121.27408, 620m
UCR
George K. Helmkamp 20747 2013-05-30
United States, California, Nevada, along Scotts Flat Road, 0.7 mile southwest of its junction with CA-20, NE of Nevada City, NW of Scotts Flat Reservoir, 39.28028 -120.94889, 1091m
UCR
George K. Helmkamp 14755 2009-05-20
United States, California, Colusa, along CA-16, 1.8 miles north of the Yolo County line, 38.95722 -122.34278, 271m
UCR
George K. Helmkamp 16335 2010-06-23
United States, California, Amador, Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village, 38.43722 -120.69917, 473m
UCR
Katie B. Barrows 003 1984-04-28
United States, California, Lake, Blue Oak Campground, 23 mi. NE of Clearlake Oaks via State Route 20 & Walker Ridge Rd, Wilbur Springs 15' Q.; Walker Ridge, 39.07 -122.50861, 610m
UCR
George K. Helmkamp 12128 2007-05-26
United States, California, Yuba, along CA-49, 1.3 miles south of Camptonville, 39.44639 -121.06, 802m
UCR
George K. Helmkamp 18347 2011-09-30
United States, California, Nevada, Dutch Flat X Road (extension of Diggins Hill Road), 3.1 miles northeast of Dutch Flat and north of the Bear River Reservoir, 39.225 -120.82944, 854m
UCR
George K. Helmkamp 16387 2010-06-26
United States, California, Placer, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax, 39.06833 -120.95583, 616m
UCR
George K. Helmkamp 17912 2011-07-30
United States, California, El Dorado, Omo Ranch Road at the junction with North-South Road, 0.67 mi. NW (300°) of jct. with Hwy 88; 8.9 miles southeast of Omo Ranch, 38.53278 -120.45278, 1457m
UCR
George K. Helmkamp 19039 2012-05-22
United States, California, El Dorado, Silver Fork Road, 2.8 miles southeast of US-50 in Kyburz; opposite the entrance to China Flat Campground, 38.755 -120.26833, 1479m
UCR
Barbara Ertter 9170 1990-06-24
United States, California, Mendocino, Mountain View Road 8.2 mi. east of Hwy 1 junction south of Manchester, 38.98589 -123.61419, 610m
UCR
George K. Helmkamp 17768 2011-07-17
United States, California, Nevada, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95°) of Peardale, 39.1875 -120.94083, 686m
UCR
George K. Helmkamp 20793 2013-06-05
United States, California, Sierra, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville, 39.50194 -121.01583, 796m
UCR
George K. Helmkamp 20809 2013-06-11
United States, California, Placer, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road, 39.0375 -120.86583, 768m
UCR
George K. Helmkamp 15198 2009-07-16
United States, California, Placer, Foresthill Road, 20.3 miles northeast of the city of Foresthill, 39.18833 -120.57833, 1704m
UCR
George K. Helmkamp 16173 2010-05-31
United States, California, Amador, Sutter Creek-Volcano Road, 2.8 miles east of the village of Sutter Creek, 38.40722 -120.76028, 427m
UCR
George K. Helmkamp 11967 2007-05-07
United States, California, El Dorado, Pedro Hill Road, 0.5 mile west of its junction with Calif. Hwy 49, junction of roads 5.3 miles south of Cool, 38.82806 -120.99611, 311m
UCR
George K. Helmkamp 20479 2013-05-03
United States, California, Placer, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92°) of Foresthill, 39.01917 -120.78361, 829m
UCR
George K. Helmkamp 16285 2010-06-14
United States, California, El Dorado, Slug Gulch Road, 4.5 miles from its junction with Perry Creek Road, 3.5 air mi. ESE (96°) of Fair Play, 38.58694 -120.58917, 1059m
UCR
George K. Helmkamp 12367 2007-06-20
United States, California, El Dorado, along Mormon Emigrant Trail, 13.2 miles ESE of its junction with Sly Park Road at Jenkinson Lake, 38.67139 -120.3, 1976m
UCR
George K. Helmkamp 17665 2011-07-07
United States, California, El Dorado, Capps Crossing Road, 5.2 miles south of its junction with Mormon Emigrant Trail, 38.69778 -120.49972, 1409m
UCR
George K. Helmkamp 9705 2005-07-11
United States, California, El Dorado, Pollock Pines area just south of US Highway 50 along County Road #5, 38.77111 -120.57444, 1159m
UCR
George K. Helmkamp 17961 2011-08-06
United States, California, Amador, Ellis Road, 2.1 miles south of its junction with CA-88, 38.53028 -120.30389, 1794m
UCR
Arnold Tiehm 16139 2010-06-08
United States, Nevada, Humboldt, 0.5 air miles south southeast of Burro Springs at southeast end of the range, 41.00827 -119.16825, 1341m
UCR
George K. Helmkamp 20861 2013-06-15
United States, California, El Dorado, Silver Fork Road, 2.3 miles south of its junction with US-50 in Kyburz, 38.75806 -120.27389, 1454m
UCR
George K. Helmkamp 16450 2010-07-06
United States, California, El Dorado, Silver Fork Road, 1.9 miles south of its junction with US-50 in Kyburz, 38.75861 -120.27639, 1473m
UCR
George K. Helmkamp 17814 2011-07-19
United States, California, Tuolumne, Forest Route 5N14, 1.8 miles southeast of Boards Crossing bridge of North Fork Stanislaus River, 38.31639 -120.215, 1367m
UCR
George K. Helmkamp 19157 2012-06-13
United States, California, Nevada, Washington Road, 2.6 miles north of its junction with CA-20, 39.34417 -120.80306, 1088m
UCR
George K. Helmkamp 17568 2011-06-17
United States, California, Calaveras, Winton Road, 0.8 mile northeast of CA-26 at West Point, 38.40861 -120.51444, 977m
UCR
George K. Helmkamp 17127 2011-04-01
United States, California, Colusa, Antelope Valley, along Maxwell-Sites Road, 0.4 miles southeast of Sites, 39.30611 -122.32056, 93m
UCR
George K. Helmkamp 12288 2007-06-08
United States, California, El Dorado, Bonetti Road, 1.9 miles south of Mormon Emigrant Trail, at the bridge over Diamond Creek, 38.72278 -120.50806, 1143m
UCR
George K. Helmkamp 17561 2011-06-17
United States, California, Calaveras, Winton Road, 3.7 miles northeast of CA-26 at West Point, 38.42778 -120.47694, 1012m
UCR
George K. Helmkamp 9682 2005-07-11
United States, California, El Dorado, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5, 38.72306 -120.53611, 1220m
UCR
George K. Helmkamp 12198 2007-05-30
United States, California, Placer, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp, 39.05139 -120.66472, 963m
UCR
George K. Helmkamp 20781 2013-06-05
United States, California, Sierra, Along CA-49, 1.7 miles west of Goodyears Bar, c. 11 miles NE of Yuba Co. line, 39.54056 -120.90694, 793m
UCR
George K. Helmkamp 23019 2014-08-11
United States, California, El Dorado, Wentworth Springs Road at the junction with Eleven Pines Rd, east of Stumpy Meadow Reservoir, 38.91722 -120.50583, 1481m
UCR
George K. Helmkamp 14708 2009-05-14
United States, California, El Dorado, hiking trail starting north of CA-49, 3.5 miles north of CA-50 in Placerville, 38.76333 -120.85278, 511m
UCR
George K. Helmkamp 17459 2011-06-07
United States, California, Amador, Pine Gulch Road, 0.5 mile north of its intersection with Sutter Creek Road, 38.41417 -120.76861, 457m
UCR
George K. Helmkamp 22886 2014-05-17
United States, California, Calaveras, along CA-26, 2.6 miles northeast of CA-49 at Mokelumne Hill, 38.30472 -120.67, 518m
UCR
George K. Helmkamp 19173 2012-06-13
United States, California, Nevada, Washington Road, 3.6 miles north of its junction with CA-20, 39.34306 -120.79722, 1006m
UCR
George K. Helmkamp 10808 2006-06-29
United States, California, Amador, northbound along CA Hwy 26, 0.6 mile past the North Fork of Mokelumne River, 38.42 -120.55583, 732m
UCR
George K. Helmkamp 16005 2010-05-07
United States, California, Calaveras, Mountain Ranch Road, 3.2 miles east of San Andreas, 38.19056 -120.6275, 436m
UCR
George K. Helmkamp 9762 2005-07-31
United States, California, El Dorado, 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, 38.81306 -120.37528, 1637m
UCR
George K. Helmkamp 16066 2010-05-17
United States, California, El Dorado, Pine Hill Road, 0.8 mile above the junction with Bertana Court; edge of Pine Hill Ecological Reserve, 38.72028 -120.99, 610m
UCR
George K. Helmkamp 13464 2008-05-20
United States, California, Yuba, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek, 39.39583 -121.08361, 466m
UCR
George K. Helmkamp 14727 2009-05-20
United States, California, Yolo, west side of Cache Creek along CA-16, 5.5 miles southeast of the Colusa County line, 38.90111 -122.25944, 177m
UCR
George K. Helmkamp 9807 2005-08-09
United States, California, El Dorado, El Dorado National Forest; west of Lake Tahoe; Ice House Road, 1.9 miles N of Wentworth Rd (turnoff to Stump Meadows), 38.96389 -120.38333, 1649m
UCR
George K. Helmkamp 17448 2011-06-02
United States, California, Nevada, 2.25 miles SW (226°) of French Corral, along Pleasant Valley Road, 1.1 miles south of its crossing of the South Fork Yuba River, 39.28306 -121.19167, 255m
USU:UTC
UTC00099408 Harley P. Chandler 1234 1901-05-00
United States, California, Humboldt Bay, 40.812977 -124.140156, 30m
BRY:V
BRYV0246210 G. K. Helmkamp 16066 2010-05-17
U.S.A., California, El Dorado, Sierra Nevada Mountains Foothills. Pine Hill Road, 0.8 mile above the junction with Bertana Court; edge of Pine Hill Ecological Reserve., 38.72027 -120.99, 610m
DAV
DAV354147 Julia Curlette 178 1993-05-20
United States, California, Solano, Stebbins Cold Canyon Reserve. NW Solano Co. just east of Monticello Dam on Lake Berryessa., 38.5025 -122.099444
DAV
DAV344918 Jake Ruygt 6733 2019-07-08
United States, California, Napa, Hangman Donation, south Mt. St. Helena. Detert Reservoir quad., 38.640472 -122.606861, 469m
DAV
DAV354143 Caprice Lee 3 2013-05-04
United States, California, Lake, Lake County: Just south of Clear Lake State Park boundary. NE of Kelseyville. Lower northern slope of Mount Konocti. Near south side of park, south of Soda Bay Road. At large turnaround on private land., 38.996111 -122.796111, 651m
DAV
DAV354140 D. S. Park 102 2010-05-29
United States, California, El Dorado, El Dorado Co.: trail near American River., 38.819722 -120.950833, 226m
DAV
DAV344923 Marisol Gonzalez 2 2012-05-05
United States, California, Napa, Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road., 38.563889 -122.405833, 417m
DAV
DAV354145 K. Carpenter 58 2000-08-18
United States, California, Napa, Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd, east side of Devil Head Rd, top of ridge by air quality station., 38.818889 -122.35, 561m
DAV
DAV354144 Jose-Luis Rayas 2 2009-04-26
United States, California, Yolo, Yolo County: Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Lower reaches of Bray Canyon. West side of canyon., 38.5194017821623 -122.08273352026, 86m
DAV
DAV354131 Geri Hulse-Stephens 617 2001-06-02
United States, California, Lake, Lake County: Goat Mountain. Indian Flat., 39.25 -122.708333, 1311m
DAV
DAV354134 Ellen Dean 3745 2007-05-11
United States, California, Yolo, Yolo Co.: Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch near western portion of loop road., 38.597444 -122.120417, 639m
DAV
DAV354142 Jake Ruygt 2198 1988-05-29
United States, California, Napa, Napa County: Adams Ridge. (Coordinates estimated by label maker at UC Davis)., 38.756389 -122.341111, 671m
DAV
DAV354130 Daisy Huang 3 2018-04-28
United States, California, Napa, Napa County: Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek., 38.63273 -122.34718, 154m
DAV
DAV338383 Kalynda Stone 4 2009-05-03
United States, California, Lake, Lake County: Walker Ridge. Along Walker Ridge Road, ca. 0.6 road miles north of junction with Hwy 20. East side of the road., 39.0285951412378 -122.451379909007, 649m
DAV
DAV241385 Jack Alderson 1167 2022-03-18
United States, California, Colusa, Rancho Venado (private). 1.3 km ENE of Mountain House which is 6.1 km NW of Highway 20 on Leesville Road., 39.1473 -122.3307, 164m
DAV
DAV354139 Ellen Dean 9333 2017-04-18
United States, California, Yolo, Yolo County: Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern part of ranch northwest of ranch headquarters; ridge northeast of Rattlesnake Rock. Area has burned three times in the past three years., 38.53891 -122.05197, 252m
DAV
DAV338384 Craig D. Thomsen 2760 2008-05-31
United States, California, Colusa, Colusa Co.: BLM Payne Ranch. Lands to the SW of Hwy 20/16 intersection. Along Hwy 16, ca. 1 mile south of Hwy 20. Near Cowboy Camp. 0.25 mile west of Bear Creek and public viewing area., 39.0001943731651 -122.361579958745, 305m
DAV
DAV354146 K. Carpenter 58 2000-08-18
United States, California, Napa, Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd, east side of Devil Head Rd, top of ridge by air quality station., 38.818889 -122.35, 561m
DAV
DAV354135 Joseph M. DiTomaso 405 1976-04-09
United States, California, Yolo, Yolo County: below Monticello Dam at Lake Berryessa, above Putah Creek., 38.51461 -122.10089, 122m
DAV
DAV354136 Heidi E. M. Dobson 264 1977-06-10
United States, California, Napa, Napa County: above Mt. Veeder Road.
DAV
DAV354137 Heidi E. M. Dobson 327 1978-05-20
United States, California, Marin, Marin County: Mt. Veeder.
DAV
DAV344922 Roman Gankin 1049 1967-07-09
United States, California, Mendocino, Mendocino County: Hell's Half Acre, 1.4 miles east of Bald Mountain on USFS Road 20 NO 2.
DAV
DAV344920 Robert E. Preston 1938 2002-07-14
United States, California, Siskiyou, Siskiyou County: Klamath National Forest, N slope of Rainbow Mountain, 41.481944 -121.952222, 1878m
DAV
DAV344924 G. K. Helmkamp 12367 2007-06-20
United States, California, El Dorado, El Dorado County: Northern Sierra Nevada Mountains: along Mormon Emigrant Trail, 13.2 miles ESE of its junction with Sly Park Road at Jenkinson Lake., 38.671389 -120.3, 1976m
DAV
DAV344925 P. B. Kennedy s.n. 1916-05-21
United States, California, Contra Costa, Contra Costa County: Between Diablo and Summit.
DAV
DAV344927 Ted C. MacRae 940430--1 1994-04-30
United States, California, Colusa, Colusa County: 1-1.5 miles northeast of junction of Hwys 20 and 16 along Bear Creek.
DAV
DAV344928 Jack Major s.n. 1966-06-24
United States, California, Modoc, Modoc County: above Goose Lake, west side of Fandango Pass., 1646m
DAV
DAV354138 Norman W. Frazier s.n. 1988-05-01
United States, California, Lake, Lake County: ca. 5 mi east of Clear Lake, on Hwy 20.
DAV
DAV344919 Gerry North 45 1993-04-00
United States, California, Sonoma, Sonoma County: Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead, less than 0.2 miles east of park entrance gate., 38.44281 -122.530892, 244m
DAV
DAV344921 J. M. Tucker 3944 1966-05-05
United States, California, Solano, Solano County: State Highway 128, ca. 1/2 mile below Monticello Dam, south side of Putah Canyon., 38.5025 -122.099444
DAV
DAV354133 Frederica Bowcutt 2169 1996-05-24
United States, California, Sonoma, Sonoma County: Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road W of kiosk., 38.44281 -122.530892, 671m
DAV
DAV354141 Leonardo Tuchman 3 2015-04-12
United States, California, Yolo, Yolo County: Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters., 38.529722 -122.047222, 131m
NCSC
NCSC00109083
United States, California, Tehama, 40.126157 -122.232274
OSC:OSU
OSC-V-067232 Jacqueline Greenleaf 1423 1983-05-31
United States, Oregon, Jackson, southerly slope above Brownsboro reservoir., 42.4785583088 -122.696361814, 560m
OSC:OSU
OSC-V-067295 Melinda F. Denton 3056 1973-07-05
United States, Oregon, Josephine, Siskiyou National Forest; slopes of Onion Mountain, ca. 15 m. due west of Granst Pass., 42.4544 -123.6175, 1225m