HSC
R.W. Spjut 2101 1972-01-06
United States, California, Riverside, Colorado Desert, common at the NE shore of the Salton Sea., 33.5225 -115.9428, -61m
HSC
C.L. Hitchcock; C.V. Muhlick 23307 1964-03-25
United States, California, Inyo, Alkali flat at Bad Water, Death Valley National Monument., 36.233043 -116.771389
HSC
C.L. Hitchcock 24367 1966-03-23
United States, California, Inyo, Saline flat 4 mi. S of Jct. of Hwy. 58 and 109, along Hwy. 190, Death Valley National Monument., 36.393209 -116.848454
HSC
D.E. Anderson 2109a 1962-04-17
United States, California, Inyo, Death Valley Monument, Bad Water, on edge of Bad Water Pond., 36.233043 -116.771389, -85m
HSC
A.R. Marshall 55 1963-04-07
United States, California, Inyo, Saline Valley, around Salt Lake., 36.703 -117.8109
HSC
A.C. Sanders; F.C. Vasek, G.K. Helmkamp 2959 1982-09-09
United States, California, San Bernardino, Danby Dry Lake, Ward Valley, Mojave Desert, small drainage channel on the dry lakebed about 0.2 mi. from its W edge on the Rd. to Iron Mtn. from Milligan., 34.198023 -115.096029, 198m
HSC
A.C. Sanders; Mark A. Elvin 27299 2003-10-05
United States, California, San Bernardino, N edge of Dale Dry Lake, W of Bush near the levee, S of Ironage Rd., 34.15416667 -115.7180556, 360m
HSC
J.P. Smith; J.O. Sawyer 4823 1971-09-18
United States, California, Siskiyou, 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan., 41.329294 -122.841366
HSC
J.P. Smith; J.O. Sawyer 4802 1971-09-18
United States, California, Siskiyou, Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch., 41.413762 -122.859763
HSC
R.C. Wunner 490 1965-08-27
United States, California, Siskiyou, California Lava Beds National Monument, top of petroglyphs, 41.844534 -121.390492
HSC
G.K. Helmkamp 670 1985-08-28
United States, California, San Bernardino, S of Morongo Valley, first stream crossing, 1 1/4 mi. downstream from the Kiosk, 34.0364 -116.5661, 716m
HSC
J.J. Jimenez-Osornio 1 1986-11-06
United States, California, Riverside, Corona, 33.87982 -117.55165, 186m
HSC
J.P. Smith; J.O. Sawyer 5797 1972-09-14
United States, California, Siskiyou, Miners Creek Rd. just S of French Creek Rd. between Callahan and Etna., 41.396848 -122.86449, 915m
HSC
D.M. Thomson 158A 1965-07-21
United States, California, Siskiyou, Lava Beds National Monument, Telephone Line Rd, 0.5 mi. S of dump, 41.797823 -121.543135
HSC
R.C. Wunner 482 1965-08-26
United States, California, Siskiyou, Lava Beds National Monument, near N Prefab, around house in red pumice, 41.727814 -121.517208, 1433m
HSC
D.M. Thomson 158B 1965-07-31
United States, California, Siskiyou, Lava Beds National Monument, Telephone Line Rd, 0.5 mi. S of dump., 41.797823 -121.543135
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R.C. Wunner 410 1965-07-21
United States, California, Siskiyou, Lava Beds National Monument, near Captain Jacks Stronghold., 41.827018 -121.504565, 1220m
HSC
D.H. Norris; T. Nelson, S. Dowty 19304 1971-06-22
United States, California, Lassen, Along Hwy. 395 about 4 mi. E of Standish, 40.37702 -120.36106
HSC
James Henrickson 8069 1972-10-21
United States, California, Orange, Newport Beach, S of Jamboree Rd, E of Irvine Coast Country Club near U.C. Irvine., 33.6745 -117.8432, 46m
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Tim Messick 921 1979-09-11
United States, California, Mono, N end of Mormon Meadow, beside road to Bodie, 0.4 mi. NE of jct. with road to Bridgeport Canyon, 38.1666 -119.1308, 2241m
HSC
A.C. Sanders 6928 1986-09-12
United States, California, Stanislaus, San Joaquin Valley, 4.5 mi. SSW of Patterson, W end of Crow's Landing Rd, 1 mi. W of Hwy. 5, 37.38333333 -121.15, 92m
HSC
S.J. Myers sn 1987-10-27
United States, California, Riverside, 3 mi. W of Temecula, NE portion of Santa Rosa plateau, 3/4 mi. E of Walker Basin, 33.5 -117.2
HSC
J.P. Smith; J.O. Sawyer 4822 1971-09-18
United States, California, Siskiyou, 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan., 41.329294 -122.841366
HSC
L. Ahart 11404 2004-09-28
United States, California, Butte, S side of the Oroville Chico Hwy, W of Butte Creek, 1 1/8 mi. SE of the Midway, 2 1/8 mi. NE of Durham, 3.5 mi. SE of Chico, 39.67794444 -121.77875, 58m
HSC
J.P. Smith; J.O. Sawyer 4839 1971-09-18
United States, California, Siskiyou, 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan., 41.325759 -122.854502, 1037m
HSC
D.M. Thomson 157A 1965-07-31
United States, California, Siskiyou, Lava Beds National Monument, Telephone Line Rd, by dump., 41.797823 -121.543135
HSC
D.M. Thomson 157B 1965-07-31
United States, California, Siskiyou, Lava Beds National Monument, Telephone Line Rd, by dump., 41.797823 -121.543135
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R.C. Wunner 413 1965-08-14
United States, California, Siskiyou, Lava Beds National Monument, end of Hovey Pt, near agricultural area, disturbed., 41.841451 -121.504521, 1220m
HSC
T.F. Newman 6550 1965-10-09
United States, California, Yuba, Carnes Ranch, 10 mi. N of Marysville
HSC
Clinton V. Kellner sn 1978-08-10
United States, California, Yolo, Garden area S of Orchard Park housing complex, University of California campus, Davis., 38.542543 -121.765682
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J.P. Smith; J.O. Sawyer 4801 1971-09-18
United States, California, Siskiyou, Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch., 41.413762 -122.859763
HSC
Ken Stillman 426 1976-08-24
United States, California, Siskiyou, Along Klamath River at Williams Point., 41.79177 -123.317359, 366m
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J.P. Smith; Steve Selva 4434 1970-07-17
United States, California, Siskiyou, Parking lot behind ice machine in Ft. Jones., 41.606782 -122.848341
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J.P. Smith; Steve Selva 4584 1970-08-09
United States, California, Siskiyou, In potato fields W of Macdoel., 41.829692 -122.063598
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James D. Morefield 3110 1985-08-22
United States, California, Inyo, White Mtns, Antelope Springs in Deep Springs Valley drainage, 37.3302 -118.0899, 1698m
HSC
Clare R. Wheeler 1203 1979-08-05
United States, California, Mendocino, Wheeler Ranch, 6 mi. W of Yorkville, 38.875666 -123.313326, 488m
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Thomas Wood 213 1979-08-08
United States, California, Modoc, 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W, 41.84795 -120.15224, 1372m
HSC
Gladys L. Smith 8396 1983-10-06
United States, California, Mendocino, Cahto Lake, Laytonville, 39.6678 -123.5306, 518m
HSC
Clare R. Wheeler 3225 1982-07-12
United States, California, Mendocino, Covelo, Hwy. 162, about 2 mi. E of town, 39.816657 -123.207639, 426m
HSC
J.J. Jimenez-Osornio 2 1986-11-06
United States, California, Riverside, Corona, 33.87982 -117.55165, 186m
HSC
L.C. Wheeler sn 1968-11-09
United States, California, Los Angeles, San Gabriel Mtns, 0.2 mi. inside mouth of San Gabriel Canyon, 34.157668 -117.898692, 232m
HSC
R.W. Spjut 2089 1972-01-05
United States, California, San Bernardino, Mojave Desert, ca. 10 mi. E of 29 Palms on Hwy. from 29 Palms to Amboy., 34.165492 -115.861672
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Thomas W. Nelson; Jane Nelson, James Nelson 2180 1975-08-19
United States, California, Los Angeles, Beside Hwy. 5, W of junction with Hwy. 138, 34.761478 -118.79705, 915m
HSC
C.L. Hitchcock; C.V. Muhlick 23221 1964-03-21
United States, California, Imperial, 30 mi. N of Ogilby, 33.24431 -114.83008
HSC
J.P. Smith; J.O. Sawyer 4621 1970-08-24
United States, California, Inyo, 8.6 mi. E of Big Pine on SR 168, 37.247032 -118.183382
HSC
D.A. Hoover 651 1985-08-14
United States, California, San Bernardino, Big Morongo Preserve, S of Morongo Valley, along road opposite the barn gully., 34.0483 -116.5685, 762m
HSC
C.S. Apperson sn 1966-04-16
United States, California, Los Angeles, 10 mi. from Sierra Hwy. W on D Ave., 34.775989 -118.325377
HSC
C.L. Hitchcock; C.V. Muhlick 23315 1964-03-26
United States, California, Inyo, At Midway Well, Death Valley National Monument.
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R.W. Spjut 5475 1979-04-14
United States, California, Inyo, Mojave Desert, between Shoshone and Pahrump, Nevada at Summit along Hwy. 178, 35.9944 -116.2166, 701m
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David Charlton; B.G. Pitzer 1641 1988-04-09
United States, California, Inyo, 12.3 mi. N of the Inyo County Line on the Trona-Wildrose Rd. at the summit 1/2 mi. below on the N side into Panamint Sink, 35.962234 -117.337709, 1037m
HSC
R.W. Spjut 2110 1972-01-06
United States, California, Riverside, Colorado Desert, 10 mi. N of Desert Center, at Jct. Hwy. 10 to 29 Palms Hwy., 33.8322 -115.4584
HSC
B.D. Rogers sn 1964-08-00
United States, California, Inyo, NE Saline Valley., 36.8236 -117.9085, 610m
HSC
D.E. Anderson 2005 1962-04-14
United States, California, Inyo, By Owens Lake, 2 mi. NW of Keeler along Hwy. 190, 36.51668 -117.898638
HSC
C.L. Hitchcock 24268 1966-03-19
United States, California, Imperial, 6 mi. W of Plaster City, 32.75335 -115.94943
HSC
C.L. Hitchcock; C.V. Muhlick 23279 1964-03-23
United States, California, San Bernardino, Saratoga Springs, Death Valley National Monument.
HSC
Rick York; Linda York 89 1978-03-19
United States, California, Inyo, Death Valley National Monument, S entrance to park 18 mi. from Shoshone, 35.9122 -116.5865, 305m
HSC
R.W. Spjut; Judy Adams 5247 1978-11-24
United States, California, Imperial, Yuha Basin Desert near Davies Canyon, along Hwy. 98, 32.72402 -115.97505
HSC
Charles Convis 3 1980-03-07
United States, California, Imperial, W Colorado Desert, W Salton Basin, 27 km due WNW of Westmorland, near confluence of Carrizo and San Felipe Creek., 33.09722 -115.92638, -43m
HSC
James Henrickson 8646a 1973-03-18
United States, California, San Bernardino, 13 mi. N of Baker, along Hwy. 127, along crossings of Amargosa River W of Dumont Dunes, 35.667397 -116.297671, 137m
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A.C. Sanders; Charlton, Pitzer, Kniffen, Wright 6255 1986-03-10
United States, California, Imperial, Coyote Mtns, 2.15 mi. N of Hwy. S-2 on dirt Rd. 1.1 mi. SE of the San Diego Co. line., 32.8 -116.08, 305m
HSC
James D. Morefield; D.H. McCarty 3221 1986-03-09
United States, California, Inyo, Old lake beds near Upper Warm Spring, Saline Range Divide, 36.840705 -117.737752, 561m
HSC
James D. Morefield; D.H. McCarty 3222 1986-03-09
United States, California, Inyo, Old lake beds near Upper Warm Spring, Saline Range Divide, 36.840705 -117.737752, 561m
HSC
D. Atwood 17554 1993-03-24
United States, California, San Bernardino, 24 mi. SE of Baker on Rd. to Kelso., 35.147278 -115.719231
HSC
R. & G. Pederson 51 1979-10-10
United States, California, Siskiyou, Lower Klamath National Wildlife Refuge, Unit 3., 41.989087 -121.736742
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A.C. Sanders; Mark A. Elvin, Cathleen Weigand 25491 2002-07-30
United States, California, Los Angeles, NE end of Santa Susana Mtns, Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley., 34.40027778 -118.6719444, 300m
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T.O. Osborne 74 1970-06-19
United States, California, Humboldt, Flat-Iron Rock, 3/4 mi. NW Trinidad Light., 41.059663 -124.163531
HSC
D.E. Anderson 1810 1961-09-13
United States, California, Humboldt, Big Lagoon County Park, 41.1655228 -124.1257204
HSC
L.J. Heflin 8 1984-09-19
United States, California, Humboldt, Arcata Marsh and Wildlife Sanctuary, Hauser Marsh, 40.858302 -124.096658
HSC
Wilbur Peterson 407 1971-11-01
United States, California, Humboldt, Salt Marsh of Humboldt Bay neat Jct. of G St. and Hwy. 101 in Arcata., 40.850347 -124.083956
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Larry Berti sn 1968-10-26
United States, California, Humboldt, Big Lagoon County Park, SW corner, 41.165386 -124.126666
HSC
L.C. Wheeler 3331 1934-10-21
United States, California, Siskiyou, Shasta Valley 4 mi. E of Grenada, 41.63472 -122.44083, 869m
HSC
Jerry Parker 102 1968-10-07
United States, California, Humboldt, N of Mad River outlet., 40.948469 -124.125078
HSC
Thomas W. Nelson 3751 1977-09-22
United States, California, Humboldt, Along E side of State Rte. 101, N of Eureka airport, 40.8121546 -124.1086491
HSC
Robert Gustafson 659 1977-08-31
United States, California, Ventura, McGrath Beach State Park, 3m
HSC
A.L. Eicher sn 1985-08-17
United States, California, Humboldt, Marsh bordering Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek., 40.840109 -124.083093, 1m
HSC
Clare R. Wheeler 2796 1981-08-26
United States, California, Mendocino, Manchester State Beach, 8 mi. N of Point Arena, N of Lake Davis, 38.992047 -123.701124, 6m
HSC
Clare R. Wheeler; Gladys L. Smith, Terry Sholars 2714 1981-07-30
United States, California, Mendocino, Along Banks of Albion River, 39.227172 -123.764709
HSC
Leonel Arguello sn 1989-09-09
United States, California, Humboldt, Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata, 40.8898708 -124.1456794
HSC
Jean Hanson 111 1980-08-28
United States, California, Humboldt, Indian (Gunther) Island, Humboldt Bay, city of Eureka, across from Coast Guard Station and within 30 ft. of hi tide line and within 1 ft. of water inland., 40.814971 -124.168021
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Gordon Leppig; Sylvia Leppig 1100 1998-09-17
United States, California, Humboldt, Arcata Marsh and Wildlife Sanctuary, W of railroad trestle, 40.856239 -124.09534, 2m
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Andrea Pickart 191 2002-08-08
United States, California, Humboldt, Arcata Marsh at end of I st., 40.855762 -124.098231
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Ivy Watson 56 2008-10-11
United States, California, Humboldt, Mad river, near river mouth, S bank, 40.931939 -124.127823, 6m
HSC
Lowell Ahart; John Dittes 15,232 2008-08-21
United States, California, Merced, 30 yd. SW of the wire gate on the S side of Sandy Mush Rd, 3.7 mi. W of Hwy. 99, ~8.5 mi. SSE of Merced, 37.18536111 -120.3976111, 53m
HSC
James Henrickson 5002 1970-07-24
United States, California, Orange, 3 mi. NW of Huntington Beach near sandy Rabbit Island in Bolsa Chica Salt Marsh near Inner Bolsa Bay, 33.70166667 -118.0413889, 1m
HSC
J.P. Smith; J.O. Sawyer 5796 1972-09-14
United States, California, Siskiyou, Miners Creek Rd. just S of French Creek Rd. between Callahan and Etna., 41.396848 -122.86449, 915m
HSC
L.S. Rose 69106 1969-09-02
United States, California, Santa Clara, San Jose, Willow Glen, 37.30413 -121.89626, 15m
HSC
L.C. Wheeler 3348 1934-10-24
United States, California, Siskiyou, Oak Knoll Ranger Station, Klamath River, 41.83916667 -122.8505556, 671m
HSC
L.C. Wheeler 3339 1934-10-21
United States, California, Siskiyou, Shasta Valley, 8 mi. NE of Gazelle, 41.6275 -122.4480556, 869m
HSC
D.M. Thomson 199 1965-08-14
United States, California, Siskiyou, Lava Beds National Monument, by Hovey Pt., 41.841451 -121.504521
HSC
R.C. Wunner 420 1965-08-14
United States, California, Siskiyou, Lava Beds National Monument, Hovey Point., 41.841451 -121.504521, 1220m
HSC
R.C. Wunner 416 1965-08-14
United States, California, Siskiyou, Lava Beds National Monument, Hovey Point., 41.841451 -121.504521, 1220m
HSC
G.K. Helmkamp 701 1985-09-08
United States, California, San Bernardino, Big Morongo Preserve, S of Morongo Valley, along the Desert Wash Trail., 34.05306 -116.56611, 777m
HSC
James D. Morefield 3120 1985-08-25
United States, California, Inyo, At the spring 1 mi. S of the mouth of Silver Canyon, 1.5 mi. ESE of Laws, Owens Valley drainage., 37.39583 -118.31528, 1296m
HSC
L.C. Wheeler 3330 1934-10-21
United States, California, Siskiyou, Shasta Valley 4 mi. E of Grenada, 41.639893 -122.490161, 869m
HSC
A.R. Roos sn 1950-08-08
United States, California, San Bernardino, Rabbit Springs, Lucerne Valley, S Mojave Desert., 34.4575 -116.963204, 915m
HSC
L.C. Wheeler 3332 1934-10-21
United States, California, Siskiyou, Shasta Valley 4 mi. E of Grenada, 41.639893 -122.490161, 869m
HSC
Tim Messick 548 1979-06-21
United States, California, Mono, The Hot Springs, 38.2246 -119.2165, 2012m
HSC
Tim Messick 1760 1981-08-14
United States, California, Mono, Travertine Hot Springs, 1.4 mi. SE of Bridgeport., 38.2461 -119.2075, 2058m
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G.K. Helmkamp B-12 1983-10-08
United States, California, San Bernardino, TNC Big Morongo Preserve, Morongo Valley, near the house in the San Bernardino County-owned area, 34.0467 -116.5695, 762m
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D.A. Hoover 638 1985-08-14
United States, California, San Bernardino, TNC Big Morongo Preserve, S of Morongo Valley, between managers residence and barn, 34.0401 -116.5678, 762m