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M.R. Mesler 1637 2014-06-06
United States, California, Siskiyou, Elk Creek Rd (16N05) near Happy Camp, 41.78115 -123.387661, 500m
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Thomas W. Nelson; Joe Molter 9256 2004-06-21
United States, California, Shasta, Along road to PG&E dam #6, 3.1 mi. from junction with Big Bend Rd., 673m
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Thomas W. Nelson 8091 1986-05-24
United States, California, Tehama, Along Forest Service Road M-4 (23N02), ~ 4 mi. from Paskenta., 671m
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K.A. Wayman 323B 2015-08-04
United States, California, Humboldt, West end of Patterson Meadow, 41.061988 -123.497, 1555m
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M. Mesler; K.A. Wayman 1645 2015-08-04
United States, California, Humboldt, McKay Meadow, 41.067894 -123.497563, 1545m
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Cara Witte 892 2008-07-14
United States, California, Humboldt, Horse Mountain Botanical Area. Forest Service Road 6N18. At end of the road., 40.88213 -123.735797, 1407m
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M. Mesler; K.A. Wayman 1646 2015-08-04
United States, California, Humboldt, Trail between Mill Creek Lakes trail head and Andys Camp, 1633m
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Thomas W. Nelson; Sydney Carothers 9206 2004-05-25
United States, California, Del Norte, Little used road to National Park Housing on North Side of State Route 199 near Hiouchi., 91m
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Thomas W. Nelson; Sydney Carothers 9176 2003-06-20
United States, California, Del Norte, Six Rivers National Forest. Along Hi-Low Road (305), 3.1 mi. from junction with North Bank Road (State Route 197)., 488m
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D.E. Anderson 3765 1965-06-01
United States, California, Humboldt, Horse Mountain., 40.8739 -123.7336, 1220m
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Thomas W. Nelson; Dick Brummitt, Barbara Ertter 9272 2004-07-03
United States, California, Del Norte, Along Hi Low Divide Rd. (305), 2.9 mi. from junction with North Bank Rd. (State Route 197)., 488m
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L.P. Janeway 8806 2006-07-09
United States, California, Butte, High Cascade Range. 150 m W of Hwy. 32, 3.0 km. south of Humboldt Road (Lomo); near top of ridge between Big Chico Creek and West Branch Butte Creek., 40.01416667 -121.6286111, 1140m
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Thomas W. Nelson; Sydney Carothers 9205 2004-05-25
United States, California, Del Norte, South side of State Route 199, road to dorms, just west of Hiouchi; under power lines, 61m
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Thomas W. Nelson; Sydney Carothers 9209 2004-05-25
United States, California, Del Norte, Six Rivers National Forest. Along Hi-Low Divide Road (305), 3 mi. from junction with North Bank Road (State Route 197)., 468m
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Thomas W. Nelson; Sydney Carothers 9204 2004-05-25
United States, California, Del Norte, South side of State Route 199, road to dorms, just west of Hiouchi; under power lines, 61m
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L. Ahart 12958A 2006-07-16
United States, California, Butte, North side of Humboldt Road, ~1.5 mi. air miles SW of Butte Meadows., 40.0694722 -121.583222, 1436m
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Thomas W. Nelson; Martin Lenz, Rhonda Posey 9445 2006-06-30
United States, California, Shasta, Along Forest Service Rd. 35N46, ~14 mi. from bridge over Pit River., 893m
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W.R. Supernaugh, Jr. 42 1965-04-12
United States, California, Mariposa, Yosemite Natl Park, near Arch Rock Ranger Station, 37.68567 -119.731323, 870m
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Thomas W. Nelson; Joe Molter 9253 2004-06-21
United States, California, Tehama, Along Ponderosa Way, 4 mi. from junction with State Route 36., 976m
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Thomas W. Nelson; Martin Lenz 9230 2004-06-09
United States, California, Shasta, Branch off Founders Ferry Rd, 2.2 mi. N of junction with State Route 299. Along A-line (Forest Service Rd. 34N02), 0.6 mi. from junction with Founders Ferry Rd., 40.81631 -121.847, 691m
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Thomas W. Nelson; Sydney Carothers 9082 2002-06-12
United States, California, Del Norte, Along High Low Divide Road, 2.9 mi. from junction with North Bank Rd., 396m
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Thomas W. Nelson; R.K. Brummitt, Barbara Ertter 9244 2004-06-16
United States, California, Del Norte, Along High-Low Divide Rd. (305), 3.1 mi. from junction of State Route 197 (North Bank Rd.) and Forest Service Rd. 17N23., 488m
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Thomas W. Nelson; Sydney Carothers 9207 2004-05-25
United States, California, Del Norte, Redwood National Park. Pacamo Camp Road, just west of Douglas Park, ~0.3 mi. up hill from main road., 101m
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HSC204896 G.D. Barbe; T.C. Fuller 3933 1982-08-25
United States, California, Mono, Cloverleaf Lake at Convict Creek lakes basin, S of Convict Lake, Inyo National Forest, 37.54972222 -118.8833333, 3146m
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Martin Lenz 3058 2006-07-06
United States, California, Shasta, Upper reaches of Roaring Creek, ~ 5.2 air mi. SSE of Big Bend., 1136m
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L. Ahart 8862 2001-06-16
United States, California, Tehama, About 3 mi. west of Hwy. 32, west of Soda Springs Campground, ~4 air mi. west of Gutte Meadows., 1159m
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Thomas W. Nelson; Joe Molter 9258 2004-06-21
United States, California, Tehama, Along road to PG&E dam #6, 3.3 mi. from junction with Big Bend Rd., 590m
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David J. Keil; V.L. Holland, Lynne Dee Oyler, G. Fred Hrusa, G.L. Stebbins 24509 1994-06-06
United States, California, Napa, Near east end of Lake Hennessy along Highway 128., 38.491917 -122.341707, 150m
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D.K. Imper
United States, California, Del Norte, detailed locality information protected
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L. Ahart 12939 2006-07-11
United States, California, Butte, About 50 yds. S of Humboldt Road, ~1.5 air mi. SW of Butte Meadows, 40.0694722 -121.583222, 1436m
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L. Ahart 13203 2006-08-15
United States, California, Tehama, On gravel logging road, ~ 4 mi. to Highway 32., 40.15575 -121.535889, 1517m
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HSC204690 G.D. Barbe; T.C. Fuller 3961 1982-08-25
United States, California, Mono, Below Edith lake, at outlet to Lake Genevieve, 37.55 -118.8833333, 3098m
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G. Fred Hrusa; T.D. Wilfred 15065 1999-05-31
United States, California, Siskiyou, East side of I-5 at Klamath River rest area, ~10 mi. N of Yreka; former homestead, 41.8575 -122.5719444, 640m
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HSC231717 G. Fred Hrusa; T.D. Wilfred 15071 1999-05-31
United States, California, Siskiyou, East side of I-5 at Klamath River rest area, ~10 mi. N of Yreka; former homestead, 41.8575 -122.5719444, 640m
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G. Fred Hrusa; J. Glazner 15673A 2000-09-03
United States, California, Placer, Sugar Bowl Ridge, immediately to west of proposed Crows Nest ski run, 39.312109 -120.353663, 2165m
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HSC203297 G. Fred Hrusa; T.D. Wilfred 12958 1996-06-10
United States, California, Shasta, Lassen National Forest. Intersection of Hwy. 44 and US Forest Service Rd. S16., 40.61666667 -121.6, 1640m
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Spadoni sn 1999-07-01
United States, California, Humboldt, Eureka, residential garden weed, 40.782577 -124.160583
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HSC205070 G.D. Barbe; T.C. Fuller 3937 1982-08-25
United States, California, Mono, Cloverleaf Lake at Convict Creek lakes basin, S of Convict Lake, Inyo National Forest, 37.54972222 -118.8833333, 3146m
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HSC230360 Haggard 71957 2000-08-22
United States, California, Humboldt, Along US Forest Service Rd. 1, southeast of Blue Lake, 40.76426 -123.68198
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HSC211143 G. Fred Hrusa; J. Glazner 15436 2000-05-21
United States, California, Nevada, Southwest side of Wolf Creek, opposite to Cerrito Rd. on west side of Hwy. 49., 39.08583333 -121.1063889, 515m
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G. Fred Hrusa 14702 1998-07-05
United States, California, Siskiyou, Cedar Camp Rd, about 5 mi. E of Weitchpec on Hwy. 96, N side of Hwy. Mile 8.8, 41.32055556 -123.6061111
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G. Fred Hrusa; T.D. Wilfred 12968 1996-06-10
United States, California, Shasta, Along US Forest Service Rd. S16, ~1 mi. N of Hwy. 44 intersection, 40.61666667 -121.6, 1635m
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G.D. Barbe; T.C. Fuller, J.T. Howell 2706 1980-05-19
United States, California, Trinity, North of Weaverville on Hwy. 3, west of Clair Engle Lake at Bowerman Ride Rd, midway between Covington Mill and Trinity Center (~1.25 mi. S of Preacher Meadow Campground)., 40.6 -122.7333333, 884m
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HSC213139 G.D. Barbe; T.C. Fuller 1850 1974-06-17
United States, California, Humboldt, Crescent City; Pebble Beach Rd, south of Airport and Washington Blvd., 41.76666667 -124.2333333
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HSC213383 G. Fred Hrusa 15854 2001-06-06
United States, California, Siskiyou, Near summit of pass between Happy Camp, CA and OBrien, OR at turnoff to Bolan Lake at Oregon border, 41.99833333 -123.5308333, 1425m
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HSC223439 Thomas W. Nelson; Shauna Hee 9475 2006-08-04
United States, California, Trinity, Hwy. 299, 100 m SE of bridge over Stuart Fork of Trinity River, 40.84929 -122.86689, 730m
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G.D. Barbe; D. Griffin, K.A. Parker 2444 1978-09-28
United States, California, Mariposa, Yosemite National Park: at mouth of Yosemite Creek at Merced River., 37.741944 -119.594722
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J.V. Lenz sn 1947-05-09
United States, California, Solano, Suisun., 38.21188 -122.07081
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HSC200368 G.D. Barbe; T.C. Fuller 1864 1974-06-18
United States, California, Del Norte, Mill Pond, south end of False Klamath Cove, 7.3 mi. N of Klamath (Hwy. 101 bridge over Klamath River)., 41.58333333 -124.1, 30m
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HSC213138 G.D. Barbe; T.C. Fuller 1851 1974-06-17
United States, California, Humboldt, Crescent City; Pebble Beach Rd, south of Airport and Washington Blvd., 41.76666667 -124.2333333
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HSC215960 G.D. Barbe; T.C. Fuller 3821 1982-06-17
United States, California, Plumas, South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam, 39.9 -120.1833333, 1707m
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G.D. Barbe; J.T. Howell, T.C. Fuller 2767 1980-05-20
United States, California, Siskiyou, 2 mi. east of Callahan at Hwy. 3 bridge over the East Fork Scott River., 41.3 -122.75, 988m
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G. Fred Hrusa 15048 1999-05-16
United States, California, Colusa, Below summit ridge of Goat Mountain on south side., 39.27138889 -122.7272222, 1723m
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HSC208888 G. Fred Hrusa; T.D. Wilfred 12973 1996-06-10
United States, California, Shasta, Lassen National Forest; west side of Hwy. 44, ~200 m north of Big Spring., 40.66666667 -121.45, 1422m
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G.D. Barbe; T.C. Fuller 1829 1974-06-17
United States, California, Humboldt, Thorne Road, 4 mi. W of Redway, enroute to Shelter Cove, 40.11666667 -123.9
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HSC224761 Thomas W. Nelson; Shauna Hee 9463 2006-08-04
United States, California, Siskiyou, Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44, 41.287658 -122.71442, 1671m
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M.T. Milligan 201 1964-08-06
United States, California, Lassen, Eagle Lake, near shore at Eagle Lake General Store., 40.66137 -120.77597, 1677m
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Thomas W. Nelson; Shauna Hee 9472 2006-08-04
United States, California, Trinity, Hwy. 299, 100 m SE of bridge over Stuart Fork of Trinity River, 40.84929 -122.86689, 730m
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HSC229999 Dana York; Laura Julian, Hilary Sundeen, Jenny Lynn Hutchinson 3231 2014-05-14
United States, California, Humboldt, Redwood State and National Parks; in the Lost Man Creek drainage, along a dirt road, 1.2 air-km E of State Route 101, just above the south bank of Lost Man Creek., 41.32842 -124.01798, 24m
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HSC202607 Dana York 2830 2003-06-19
United States, California, Inyo, Grapevine Mountains; ~12.1 km E-SE of Scottys Castle., 36.99361111 -117.2033333, 2530m
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B.D. Rogers sn 1964-07-00
United States, California, Mono, Mono Lake., 38.007604 -119.014763, 2134m
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Dana York 3260 2015-09-11
United States, California, Trinity, Shasta-Trinity National Forest; ~340m south of Parks Creek Trailhead for the Pacific Crest Trail, between the PCT and Forest Hwy. 17, 41.3402 -122.53773, 2070m
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Dana York 2998 2010-05-08
United States, California, Trinity, Shasta-Trinity National Forest; ~1.2 km NE of the New River / Trinity River confluence, on spur ridge between rivers., 40.85528 -123.47426, 240m
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Dana York 2831 2003-06-19
United States, California, Inyo, Grapevine Mountains; ~12.1 km E-SE of Scottys Castle., 36.99361111 -117.2033333, 2530m
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Dana York 2826 2003-06-11
United States, California, Inyo, Panamint Mountains, head of Surprise Canyon, 36.13138889 -117.0783333, 2455m
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R. Spellenberg 1150 1965-06-16
United States, California, Trinity, Along Bidden Creek, about 1 mi. upstream from the Trinity River and about 2 mi. E of Burnt Ranch, 40.779205 -123.461551
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HSC229371 Dana York 2995 2010-05-08
United States, California, Trinity, Shasta-Trinity National Forest; ~1.2 km NE of the New River / Trinity River confluence, on spur ridge between rivers., 40.85525 -123.47426, 240m
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Dana York; Jim Shevock 2842 2003-10-05
United States, California, Inyo, Death Valley National Park, Grapevine Mountains, Grapevine Springs, 37.03501 -117.38752, 866m
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Dana York; Richard Helliwell 3010 2010-09-11
United States, California, Siskiyou, Klamath National Forest. North slope of Broken Rib Mountain, 41.89164 -123.69093, 1616m
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HSC217641 Dana York; Richard Helliwell 3015 2010-09-11
United States, California, Siskiyou, Six Rivers National Forest. Northeast slope of Broken Rib Mountain, 41.88856 -123.68772, 1671m
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Dana York; Richard Helliwell 3013 2010-09-11
United States, California, Siskiyou, Six Rivers National Forest. Northeast slope of Broken Rib Mountain, 41.88856 -123.68772, 1671m
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Dana York; Richard Helliwell 3011 2010-09-11
United States, California, Siskiyou, Klamath National Forest. North slope of Broken Rib Mountain, 41.89164 -123.69093, 1616m
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Dana York 3018 2010-09-12
United States, California, Siskiyou, Six Rivers National Forest; ~1.7 km NW of Broken Rib Mountain, in dense forest below road, 41.90032 -123.70528, 1250m
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HSC213934 Dana York; Richard Helliwell 3017 2010-09-11
United States, California, Siskiyou, Six Rivers National Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain, 41.89636 -123.69848, 1433m
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HSC208962 L. Ahart 17796 2012-03-23
United States, California, Butte, About 9 mi. (air) NE of Chico; north side of Ten Mile House Road, ~.5 mi. W of Hwy 32, 39.80636111 -121.7179167, 388m
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L. Ahart 18490 2012-10-20
United States, California, Butte, West of Cedar Grove, Lower Bidwell Park, Chico; south side of Big Chico Creek, ~50 yds. E of Table 5, 39.74461111 -121.8146389, 69m
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L. Ahart 17740 2012-02-22
United States, California, Butte, About 9 mi. (air) NE of Chico; east edge of Big Chico Creek, ~100 yds. S of trail crossing creek, ~100 yds W of Ten Mile House Road; ~.75 mi. W of Hwy. 32, 39.80497222 -121.7281389, 190m
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L. Ahart 18432 2012-09-05
United States, California, Plumas, About 8.5 mi. (air) NE of La Porte, ~.75 mi (air) SW of Pilot Peak; ~200 yds. E of the County Road where it crosses the South Fork of the Feather River, 39.78027778 -120.8798056, 1890m
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L. Ahart 18531 2012-10-28
United States, California, Butte, West of Cedar Grove, Lower Bidwell Park, Chico; north side of Big Chico Creek, south of Table 34, 39.74280556 -121.8174722, 69m
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L. Ahart 18395 2012-07-28
United States, California, Nevada, Bear Valley, on the east side of Bowman Lake Road, ~100 yds. south of the Bear River; east side of Pioneer Trail, ~80 yds. SE of the P.G.&E. Pavilion, 39.30888889 -120.6651111, 1434m
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L. Ahart 18466 2012-09-28
United States, California, Butte, Lower Bidwell Park, Chico; gravel bar in the middle of Big Chico Creek, ~30 yds. E of the Freeway, 39.73894444 -121.8218056, 66m
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HSC224626 L. Ahart; John Dittes 15027 2008-06-22
United States, California, Lassen, Big Valley; ~5 mi. (air) NE of Bieber, and ~2.1 mi. (air) NE of the Headquarters at Ash Creek State Wildlife Area, 41.17294444 -121.0735278, 1263m
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HSC217237 L. Ahart; John Dittes
United States, California, Shasta, detailed locality information protected
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HSC205807 L. Ahart; John Dittes 17514 2011-06-21
United States, California, Modoc, Ash Creek State Wildlife Area; ~2,300 ft. N of Lassen County Line; ~3.6 mi. (air) W of Adin, ~8 mi. (air) NE of Bieber, Big Valley, 41.19091667 -121.0145278, 1268m
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L.P. Janeway 11100 2013-05-09
United States, California, Butte, Plumas National Forest; along Oroville-Quincy Hwy, 5.6 road km N of the bridge over Canyon Creek arm of Lake Oroville, 39.61055556 -121.4422222, 357m
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J.P. Tracy 8920 1930-07-16
United States, California, Humboldt, Near McKay Camp., 40.61086 -123.55946, 1677m
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L. Ahart; John Dittes 15358 2008-08-26
United States, California, Modoc, About 9.3 mi. (air) NNE of Lookout; on the SE side of Rose Creek, 750 ft. SW of confluence of Rose Creek and Pit River, on the NW side of unnamed road, 2,660 ft. E of intersection with County Rd. 85A, 41.34530556 -121.1386944, 1277m
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L. Ahart 18423 2012-08-22
United States, California, Butte, About 2 mi. (air) NW of Honcut; ~20 yds. S of Central House Road, on the east side of the Railroad, on the south side of the Railroad Signal Box. Parasite on Xanthium strumarium, 39.3505 -121.5629722, 36m
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M.S. Taylor 2916 1980-06-17
United States, California, Trinity, About 4 mi. S of Wildwood; on N side of Forest Service Rd 29N36A, ~0.5 mi. W of its junction with FS Rd. 29N43, 40.336667 -123.073056, 1220m
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HSC207782 M.S. Taylor 3002 1980-06-30
United States, California, Trinity, Along Davis Creek, 2 mi. NE of Hwy. 3, 7.5 mi. SW of Trinity Center, 40.941667 -122.794722, 1067m
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J.P. Smith 13,832 2014-04-28
United States, California, Del Norte, Along U.S. 199, across from the Patrick Creek Loge and Historic Inn., 41.8733 -123.8442, 248m
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Sydney Carothers 204 1997-04-24
United States, California, Del Norte, Six Rivers National Forest; roadstop off Hwy. 199; north of Gasquet, south of Patricks Creek, 41.846186 -123.91564
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T. Leskiw 47 1995-05-02
United States, California, Trinity, Six Rivers National Forest; Route 4 to Forest Service Rd. 6N29C, vicinity of Ziegler Pt. and Happy Camp Mtn. in old Hawkins Timber Sale, 40.894863 -123.502911, 732m
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Sydney Carothers 200 1998-06-10
United States, California, Trinity, Six Rivers National Forest; Mad River District, 40.13389 -123.374989, 640m
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Lisa Hoover
United States, California, Humboldt, detailed locality information protected
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Lisa Hoover
United States, California, Del Norte, detailed locality information protected
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T. Salzberg 186 1996-07-26
United States, California, Humboldt, Six Rivers National Forest; Forest Service Rd. 11N16, which is a tributary of Slate Creek Road., 41.34121 -123.677845, 1293m
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HSC204416 A. Thoele; J. Kalt 67 1995-07-27
United States, California, Del Norte, Take 16N02 from 199 north to 16N39 (Doe Flat Rd.) east to 16N71 to end. Walk to Bear Basin Summit., 41.8091 -123.740348, 1607m
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HSC211677 Sydney Carothers 130 1996-07-16
United States, California, Del Norte, Six Rivers National Forest, Devil's Punchbowl Quad, Bear Wallow Meadow, Bear Basin Butte., 41.8099791 -123.7288448, 1488m
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A. Thoele 59 1995-07-28
United States, California, Del Norte, Six Rivers National Forest; North on Route 305, east of town of Smith River. North of Low Divide, vicinity of Stone Corral., 41.938657 -123.996977, 518m