SRP
32571 R. R. Halse 7134 2007-03-25
U.S.A., California, Colusa, Along State Hwy. 20 ca. 7.8 miles northeast of its junction with State Hwy. 16, at base of Salt Canyon., 39.10754 -122.30873, 100m
SRP
33257 C. C. Lorain 1851 1989-04-14
U.S.A., California, Colusa, 4 miles SE of Leeville on road to Hwy 20 and Williams (small poorly paved and winding road); large open talus roadcut in pine/oak savanna., 39.154722 -122.149444, 305m
SRP
33708 R. R. Halse 7109 2007-03-23
U.S.A., California, Colusa, Williams; by junction of 5th Street and B Street., 39.1586 -122.14724, 25m
SRP
38507 R. R. Halse 7825 2010-03-20
U.S.A., California, Colusa, Along State Hwy. 45 ca. ten miles north of Colusa (junction of State Hwys. 45 &20)., 39.36752 -122.02426, 22m
SRP
45068 R. R. Halse 7848 2010-03-25
U.S.A., California, Colusa, Along State Hwy. 20 ca. 10.7 miles southwest of its junction with Interstate Hwy. 5 at Williams., 39.11618 -122.29636, 72m
SRP
39211 R. R. Halse 960 1974-03-14
U.S.A., California, Colusa, Between Lagoda and Leesville, 39.189444 -122.423611
SRP
40469 R. R. Halse 7851 2010-03-25
U.S.A., California, Colusa, Along State Hwy. 20 ca. 10.7 miles southwest of its junction with Interstate Hwy. 5 at Williams; in Salt Canyon., 39.10432 -122.32714, 154m
SRP
42184 P. F. Zika 24974 2010-06-21
U.S.A., California, Colusa, Bear Valley Road, 6 air km ESE of Baldy Mountain, Bear Valley, Inner North Coast Ranges (NCoRI), 39.126667 -122.433333, 400m
SRP
43275 R. R. Halse 8133 2011-03-20
U.S.A., California, Colusa, Williams; by junction of 5th Street and B Street., 39.1586 -122.14724, 25m
SRP
51026 Lowell Ahart 13,100 2006-08-09
U.S.A., California, Colusa, Most of a stem, perennial, on dry sandy rocky soil, gravel bar on the south side of Stony Creek, at Mine Camp, about 3 1/2 mile (air) west of Stonyford., 39.373889 -122.614056, 455m
SRP
51203 Vernon H. Oswald, Lowell Ahart 5428 1993-05-27
U.S.A., California, Colusa, Sites-Lodoga Rd. ca. 0.5 mi NW of Sites in the rolling grass-covered hills bordering the W side of the Sacramento Valley., 122m
SRP
51293 Lowell Ahart 13356 2006-09-26
U.S.A., California, Colusa, south side of Delevan National Wildlife Refuge, north side of Maxwell Road, about 3 miles west of Colusa Princeton Road, about 5.5 miles east of Maxwell, 39.275722 -122.09025, 24m
SRP
51453 Lowell Ahart 13143 2006-08-09
U.S.A., California, Colusa, north side and just east of the bridge, across Stony Creek, just north of Stonyford, 39.382278 -122.551583, 1140m
SRP
51671 Richard R. Halse 9028 2014-03-25
U.S.A., California, Colusa, along the Sites-Logoda Road ca. 5.2 miles northwest of Sites, 39.35407 -122.40279, 175m
SRP
53113 Richard R. Halse 8739 2013-03-26
U.S.A., California, Colusa, along Leesville Road ca. 5.6 miles northwest of junction with state Hwy 20, west of Williams, 39.15565 -122.36681, 157m
SRP
53649 Richard R. Halse 8761 2013-03-27
U.S.A., California, Colusa, Along State Hwy. 20 just east of the Colusa/Lake County Line. ca. 14.6 miles east of the junction of State Hwys. 20 and 53., 39.01104 -122.40838, 558m
SRP
53695 Richard R. Halse 8760 2013-03-27
U.S.A., California, Colusa, Along State Hwy. 20 just east of the Colusa/Lake county line, ca. 14.6 miles east of the junction of State hwys. 20 and 53., 39.01104 -122.40838, 558m
SRP
54222 Richard R. Halse 8763 2013-03-27
U.S.A., California, Colusa, Along State Hwy. 20 just east of the Colusa/Lake County Line, ca. 14.6 miles east of the junction of State Hwys. 20 and 53., 39.01104 -122.40838, 558m
SRP
54252 Richard R. Halse 8738 2013-03-26
U.S.A., California, Colusa, along the Leesville Road ca. 5.6 miles northwest of junction with State Hwy 20, west of Williams, 39.15565 -122.36681, 157m
SRP
55341 Richard R. Halse 8456 2012-03-29
U.S.A., California, Colusa, Along State Hwy. 20 ca. 6.8 miles northeast of junction with State Hwy. 16., 39.10135 -122.33631, 176m
SRP
55082 Richard R. Halse 9031 2014-03-25
U.S.A., California, Colusa, Along Sites-Logoda Road ca. 4.7 miles northeast of Logoda, on west end of Grapevine Pass., 39.35364 -122.46237, 527m
SRP
55496 Richard R. Halse 9030 2014-03-25
U.S.A., California, Colusa, Along Sites-Logoda Road ca 4.7 miles northeast of Logoda, west end of Grapevine Pass., 39.35364 -122.46237, 527m
SRP
55952 Richard R. Halse 9032 2014-03-25
U.S.A., California, Colusa, along Sites-Logoda Road, ca. 4.7 miles northeast of Logoda; on west end of Grapevine Pass., 39.35364 -122.46237, 527m
SRP
55986 Richard R. Halse 8459 2012-03-29
U.S.A., California, Colusa, along State Hwy 20 just east of Lake County Line, ca. 14.6 miles east of junction with State Hwy 53., 39.01104 -122.40838, 558m
SRP
56193 Richard R. Halse 8737 2013-03-26
U.S.A., California, Colusa, Along Leesville Road ca 4.6 miles northwest of junction with State Hwy 20, west of Williams., 39.14728 -122.35175, 157m
SRP
56477 Richard R. Halse 8454 2012-03-28
U.S.A., California, Colusa, Williams; along 5th Street between intersections with C and D Streets, near railroad tracks., 39.157175 -122.148172, 24m
SRP
59415 Lowell Ahart 18676 2013-05-01
U.S.A., California, Colusa, Inner North Coast Range. Near a small drainage, north of the was and State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams., 39.0114 -122.408544, 567m
SRP
63902 Ryan O'Dell, A. Ryan sn 2017-05-28
U.S.A., California, Colusa, Border of Colusa and Lake Counties. goat Mtn. 0.2 km north on Forest Route 16N18 from intersection with 8W01 Rd., 39.273629 -122.729962, 1752m
SRP
63700 Richard R. Halse 9929 2017-04-23
U.S.A., California, Colusa, Along Leesville Road ca. 2.9 miles northwest of its junction with State Hwy 20, west of Williams., 39.14522 -122.33089, 117m
SRP
63703 Richard R. Halse 9909 2017-04-22
U.S.A., California, Colusa, Bear Valley in the Coast Range; along Bear Valley Road ca. 8 mile snorthwest of its junction with State Hwy 20; by bridge over Bear Creek., 39.09757 -122.41452, 394m
SRP
63705 Richard R. Halse 9911 2017-04-22
U.S.A., California, Colusa, Bear Valley in the Coast Range along Bear Valley Road ca. 11.6 miles northwest of its junction with State Hwy 20., 39.13782 -122.43318, 406m
SRP
63699 Richard R. Halse 9908 2017-04-22
U.S.A., California, Colusa, Bear Valley in the Coast Range along Bear Valley Road ca. 8 miles northwest of its junction with State Hwy 20; by bridge over Bear Creek., 39.09757 -122.41452, 394m
SRP
63694 Richard R. Halse 9940 2017-04-24
U.S.A., California, Colusa, Williams; along 5th Street between C and D Street intersections., 39.157159 -122.148111, 23m
SRP
64064 Richard R. Halse 9932 2017-04-23
U.S.A., California, Colusa, Along the Leesville Road ca. 8.4 miles northwest of its junction with State Hwy 20 in the Coast Range, west of Williams., 39.16556 -122.39953, 343m
SRP
64215 Richard R. Halse 9939 2017-04-24
U.S.A., California, Colusa, Williams; along 5th Street between C and D Street intersections., 39.157159 -122.148111, 23m
SRP
64228 Richard R. Halse 9935 2017-04-23
U.S.A., California, Colusa, Along Sites-Logoda Road ca 4.7 miles northeast of Logoda, west end of Grapevine Pass., 39.35364 -122.46237, 527m
SRP
64250 Richard R. Halse 9931 2017-04-23
U.S.A., California, Colusa, Along the Leesville Road ca. 8.4 miles northwest of its junction with State Hwy 20 in the Coast Range, west of Williams., 39.16556 -122.39953, 343m
SRP
64867 Richard R. Halse 9938 2017-04-23
U.S.A., California, Colusa, Williams; at the intersection of C Street and 5th Street., 39.158054 -122.148323, 23m
SRP
64872 Richard R. Halse 9937 2017-04-23
U.S.A., California, Colusa, Williams; along 5th Street between C and D Street intersections., 39.157159 -122.148111, 23m