UCR
George K. Helmkamp 20565 2013-05-13
United States, California, Amador, along E-16/Shenandoah Rd, 3.6 road miles south of River Pines, 4.15 air miles NE (39°) of Plymouth, 38.52972 -120.79556, 517m
UCR
George K. Helmkamp 20611 2013-05-17
United States, California, Amador, Stony Creek Road, 6.8 miles southwest of Jackson, 0.57 mi. NE (20°) of Chrome Mountain, 38.295 -120.83167, 302m
UCR
George K. Helmkamp 20715 2013-05-30
United States, California, Nevada, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley, 39.21 -121.12472, 623m
BRY:V
BRYV0145273 Barbara Ertter 9137 1990-06-23
U.S.A., California, Mendocino, Mountain Home Road 0.8 mi from Hwy 128, ca 8 airmiles NW of Cloverdale., 305m
MWI
MWI00054071 Ahart, Lowell 10190 2003-05-22
USA, California, Shasta, Cottonwood, about 11 air miles east/northeast, 4 air miles west/southwestof Darah Springs State Fish Hatchery, about 1 1/8 miles west of the barn, about 150 yards south of the Coleman Canal, north side of a small wash west of the poor dirt road, 40.90833 -121.73611, 250m
USCH:MAIN
Wibawa, M.; Hrusa, George; Naughton, J. 169 2002-05-15
United States, California, Sacramento County, Locality Not Recorded, 38.358889 -121.1025, - 150m
BLM:RD
BLMRD0150 J. Molter 885 2002-05-08
USA, California, Tehama, NW of Paynes Creek and SE of the Sacramento River within Bend ACEC, 40.280553 -122.189392, 111m
SBBG
140997 Barbara Ertter 9137 1990-06-23
United States, California, Mendocino, Mountain Home Rd 0.8 mi from Hwy 128, ca. 8 mi (air) NW of Cloverdale, 38.8845 -123.101, 305m
CalBG:RSA
H. F. Copeland 1117 1927-00-00
United States, California, Alameda, Berkeley; Univerity of California campus.
CalBG:RSA
L. Ahart 17379 2011-06-07
United States, California, Yuba, West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 air miles northeast of Marysville., 39.2182222 -121.3365833, 66m
CalBG:RSA
RSA0093525 George K. Helmkamp 20611 2013-05-17
United States, California, Amador, Northern Sierra Nevada Mountains Foothills. Stony Creek Road, 6.8 miles southwest of Jackson, 0.57 mi. NE (20°) of Chrome Mountain.; Jackson 7.5' Q., 38.295 -120.83167, 302m
CalBG:RSA
Joseph P. Tracy 19311 1950-08-14
United States, California, Alameda, Berkeley; at University [of] California Campus.
CalBG:RSA
L. Ahart 13874 2007-05-14
United States, California, Yuba, About 13 miles (air) northeast of Marysville., 39.299 -121.5005556, 28m