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Carl C. Marshall 260 1886-07-00
United States, California, Humboldt, Throughout the Coast Range, Humboldt Bay.
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Thomas W. Nelson; Jane Nelson 6984 1982-05-30
United States, California, Glenn, Along summit of Black Diamond Mtn, in and about old fire watch tower., 39.414714 -122.627432, 984m
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HSC220492 C.L. Hitchcock 6460 1940-05-17
United States, California, Shasta, 3 mi. E of Redding., 40.57666667 -122.3338889, 152m
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HSC220496 Paul Shields sn 1955-07-00
United States, California, Humboldt, 6 mi. W of Myers Flat
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HSC220502 Elrid H. Spinas 13 1948-05-15
United States, California, Humboldt, Horse Mtn., 40.864375 -123.730109
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HSC220503 R. Spellenberg 1170 1965-06-18
United States, California, Trinity, Spellenberg property, 2 mi. SE of Burnt Ranch, 40.790234 -123.452523
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HSC220497 D.G. Hauger 26 1967-07-15
United States, California, Humboldt, 40.62663 -123.844405
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HSC220488 D.H. Norris; Thomas W. Nelson, S. Dowty 19080 1971-06-21
United States, California, Shasta, Along Hwy. 44, 4 mi. E of Redding, 40.553518 -122.219403
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HSC220512 Dale R. Gradek 54 1974-05-26
United States, California, Siskiyou, 100 yds. E of Etna campground, 41.460439 -122.906058, 915m
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HSC220490 Thomas W. Nelson; Jane P. Nelson 2493 1976-05-09
United States, California, Butte, Beside SR 70 about 4 mi. S of Palermo Rd., 39.3764 -121.611495
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HSC220489 Thomas W. Nelson; Jane P. Nelson 2494 1976-05-10
United States, California, Butte, Beside SR 191 just N of its junction with SR 70, 39.609932 -121.623335
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HSC220491 Thomas W. Nelson; Jane P. Nelson 2445 1976-05-09
United States, California, Butte, Intersection of Palermo Rd. and Hwy. 70, 4 mi. S of Oroville, 39.433541 -121.605111
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HSC220498 Thomas W. Nelson; James Nelson 2815 1976-06-22
United States, California, Trinity, Below Senteney Rock, 40.357384 -123.543985, 1494m
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HSC220495 J.P. Smith; J.O. Sawyer, Thomas W. Nelson, Jane P. Nelson 9323A 1977-07-14
United States, California, Lake, Boardman Ridge, along FS Rd. 1N02, 1.4 mi. N of junction with FS Rd. 20N01, 39.47649 -122.90495, 1006m
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HSC220499 J.P. Smith; Steve Selva sn 1970-06-14
United States, California, Siskiyou, 41.460908 -123.44418
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HSC220501 J.P. Smith; J.O. Sawyer, Thomas W. Nelson 9323B 1977-07-14
United States, California, Lake, Mendocino National Forest, along Boardman Ridge, 1.6 mi. from its junction with FS Rd. 20N01, 39.47844 -122.90873, 1220m
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HSC220504 G.L. Clifton; Butler 8455 1979-07-18
United States, California, Trinity, Near Jones Ridge, close to the town of Mad River, 40.09619444 -123.1568056, 1448m
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HSC220505 Gilbert Muth 10330 1979-07-24
United States, California, Del Norte, Near High Plateau Creek, close to the town of Gasquet, 41.956 -123.9299167, 305m
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HSC220511 Gail Newton 617 1980-06-26
United States, California, Trinity, Near Underwood Creek., 40.72055556 -123.5333333, 451m
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HSC220509 Gail Newton 791 1980-07-01
United States, California, Trinity, Near Hayden Roughs., 40.11638889 -123.2438889, 1250m
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HSC220510 Gail Newton 1427 1980-07-13
United States, California, Trinity, Near Red Rock., 40.32861111 -123.5038889, 1509m
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HSC220508 Gail Newton 865 1980-07-01
United States, California, Trinity, Near Hayden Roughs, 40.125 -123.2447222, 1219m
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HSC220507 Clare R. Wheeler 3017 1982-06-26
United States, California, Mendocino, Manchester Boonville Rd, Rte. 510, 427m
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HSC220506 Clare R. Wheeler 1860 1980-07-06
United States, California, Mendocino, Wheeler Ranch, 6 mi. W of Yorkville, 38.875666 -123.313326, 457m
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HSC220500 Cara Witte 541 2007-07-17
United States, California, Humboldt, Along National Forest 1. Approximately 1/2 mile south of White Oak Opening., 40.712321 -123.698005, 1302m