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CHSC119821 Lowell Ahart; John Dittes, Josephine Guardino 21529 2017-06-29
United States, California, Nevada, Along the south edge of Carpenter Valley Road, west of the seeps, west of the buildings, about 4.5 miles (air) west of Hobart Mills, about 6 miles (air) northwest of Truckee, Carpenter Valley, meadow basin of Prosser Creek. T18N R15E S24 NW1/4, 39.395278 -120.2725, 1905m
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CHSC120053 Richard R. Halse 9969 2017-05-19
United States, Oregon, Sherman, Along State Hwy. 206 (Biggs-Rufus Hwy.) near milepost 4; ca. 0.9 miles west of junction with the Celio-Wasco Hwy. up Fulton Canyon., 45.637778 -120.895278, 55m
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CHSC091202 Lowell Ahart; John Dittes 11928 2005-06-02
United States, California, Lassen, Along the poor dirt road, about 1/4 mile west of the Anderson Ranch home, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.5 miles (air) northwest of Hallelujah Junction. T23N R17E S08 SW1/4, 39.855278 -120.095, 1499m
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CHSC108023 Lowell Ahart; John Dittes 17506 2011-06-20
United States, California, Lassen, About 40 yards north of the dirt road, about 100 yards northeast of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. T38N, R10E, center of north 1/2 Section 22., 1521m
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CHSC114564 Sue Pappalardo 395 1993-06-02
United States, California, Trinity, Shasta-Trinity National Forest. Hayfork Ranger District; Butter Creek. 2N18 road at junction with 18 c road. T02N R07E S10 SW1/4 of SW1/4, 40.566867 -123.375744, 1200m
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CHSC115284 Lowell Ahart 20121 2015-04-30
United States, California, Butte, About 1/4 mile south of Forbestown Reservior Road, about 2 1/2 miles (air) northeast of Forbestown. T19N R07E S6, 39.526667 -121.226667, 890m
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CHSC116361 J. R. Keck, Jr.; Wright PDR725210 1991-05-30
United States, California, Modoc, Tionesta; Modoc National Forest. T43N R06E S05, 41.597202 -121.304785, 1311m
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CHSC114565 J. Kierstead 91-27 1991-05-06
United States, California, Trinity, Weaverville Ranger District, 1/4 mile S of Alder Gulch, 1 mi NW of Coffee Creek Station. T37N R07W S06, 41.09851 -122.72046
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CHSC090396 Niall McCarten 5299 1986-06-22
United States, California, Tehama, Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. NW of Howell Saddle, W. side of Rd. 23N01. T24N R08W S16 USGS Quadrangle: Ball Mt., 39.939722 -122.761944, 1615m
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CHSC118072 L. P. Janeway 12013 2016-05-17
United States, California, Modoc, Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. T44N R11E S32 SW1/4 USGS Quadrangle: Big Sage Reservoir 1:24,000, 41.606667 -120.731389, 1544m
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CHSC118844 L. P. Janeway; B. Castro 11754 2015-06-04
United States, Nevada, Washoe, Great Basin. Along the BLM Road from NV37 near Central Lake to Hays Canyon, 7.9 road-km south of NV 37; between Button Brush Flat and Boulder Flat. T41N R19E S27 SW1/4 USGS Quadrangle: Boulder Lake 1:24,000, 41.440833 -119.846389
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CHSC093966 R. D. Fischer 748 2004-06-20
United States, California, Butte, Sierra Nevada Mountains, north-east corner of Butte County and ca. 2 miles west of Butte Meadows on Humboldt Road. Roadside. USGS Quadrangle: Butte Meadows 1:24,000, 40.071944 -121.581944, 1417m
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CHSC098355 L. P. Janeway 8983 2007-05-20
United States, California, Plumas, Northern High Sierra Nevada. Top of Red Hill. T25N R07E S10 SE1/4 of NW1/4 USGS Quadrangle: Caribou 1:24,000, 40.038056 -121.1875, 1929m
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CHSC115491 L. P. Janeway 11638 2015-03-16
United States, California, Butte, Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way at Road 19N19, 1.0 road-km northwest of Lower Forbestown Road, just before the canyon becomes steep into South Fork Feather River arm of Lake Oroville. T19N R06E S05 SE1/4 of SE1/4 USGS Quadrangle: Forbestown 1:24,000, 39.527222 -121.316389, 747m
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CHSC112116 L. P. Janeway; B. Castro 11360 2014-06-05
United States, Nevada, Washoe, Great Basin. Along Nevada Road 8A, 6.3 road-km northeast of the state line (and the end of California Hwy 299). T43N R18E S35 NE1/4 of SW1/4 USGS Quadrangle: Fortynine Mtn 1:24,000, 41.603889 -119.943611, 1746m
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CHSC098344 L. P. Janeway 9011 2007-06-03
United States, California, Plumas, Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. T23N R07E S21 NW1/4 of NE1/4 USGS Quadrangle: Haskins Valley 1:24,000, 39.84 -121.2, 1929m
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CHSC098755 L. P. Janeway 9178 2007-08-13
United States, California, Plumas, Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. T23N R07E S18 NW1/4 of NE1/4 USGS Quadrangle: Haskins Valley 1:24,000, 39.852222 -121.236667, 1786m
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CHSC113657 L. P. Janeway 11267 2014-05-25
United States, California, Plumas, High Cascade Range. Along the ridgeline between Scotts John Creek and Butt Creek, 1.2 air-km northeast of the top of Houmboldt Peak; Pacific Crest Trail nearby. T27N R05E S33 USGS Quadrangle: Humboldt Peak 1:24,000, 40.159167 -121.416944, 2073m
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CHSC112114 L. P. Janeway; B. Castro 11289 2014-06-02
United States, California, Modoc, Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. T47N R17E S31 SE1/4 of NE1/4 USGS Quadrangle: Lake Annie 1:24,000, 41.901667 -120.058056, 1627m
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CHSC108579 B. Castro; L. P. Janeway 1317 2000-08-01
United States, California, Inyo, Southern High Sierra Nevada. E side of Coyote Ridge near the top, about 3.5 mi NNW of The Hunchback. On road edges and just above. T08S R31E S36 SE1/4 of SE1/4 USGS Quadrangle: Mt. Thompson, 37.219167 -118.537778, 3383m
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CHSC108560 B. Castro; L. P. Janeway 1303A 2000-07-31
United States, California, Inyo, Southern High Sierra Nevada. East side of Coyote Ridge ~1 mi Eof the top, about 4.5 mi N of The Hunchback. On flat top of short ENE-trending side ridge, nr road ca 0.1 mi NW of its jcn with the jeep road that winds W up to top of Coyote Ridge. T08S R31E S25 SE1/4 of SW1/4 USGS Quadrangle: Mt. Thompson, 37.220833 -118.526667, 3206m
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CHSC090259 L. P. Janeway 7087 2001-05-28
United States, California, Shasta, Klamath Ranges. Top of Brushy Mountain (ridge); along Road 29N28 4.3 km north of junction of Roads 30 & 35 (and the junction of Shasta, Tehama, & Trinity County lines). Northeast-facing slope at top of ridge. T29N R11W S36 SW1/4 of SW1/4 USGS Quadrangle: Pony Buck 1:25,000, 40.316111 -123.061111, 1520m
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CHSC096001 L. P. Janeway 8794 2006-07-04
United States, California, Siskiyou, Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. T39N R07W S6 SE1/4 of NW1/4 USGS Quadrangle: Scott Mountain 1:24,000, 41.271389 -122.719167, 1838m
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CHSC118094 L. P. Janeway 12085 2016-05-19
United States, Oregon, Lake, Modoc Plateau. Devils Garden area; along Road 418 0.8 road-km west of Road 4808, 3.2 air-km north-northwest of Weed Valley. Long ±broad meadow surrounded by yellow pine/juniper forest. T41S R16E S21 SE1/4 USGS Quadrangle: Weed Valley 1:24,000, 41.996389 -120.828889, 1622m
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CHSC098335 L. P. Janeway; B. Castro 8969 2007-05-06
United States, California, Butte, Northern High Sierra Nevada. Ridge top along a side road north off the road from Sawmill Peak to Flea Valley. 1.8 air km northeast of Sawmill Peak. Disturbed serpentine chaparral, rocky soil. T23N R04E S29 NE1/4 of SE1/4 USGS Quadrangle: Paradise East 1:24,000, 39.771389 -121.543889, 969m
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CHSC054784 Diane Mastalir 32 1991-06-05
United States, California, Lassen, Top of Gallatin Peak., 2118m
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CHSC008040 Carol Weld 58 1969-06-20
United States, California, Lassen, Road to Dean's Meadow from five corners; by roadside., 2042m
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CHSC008038 Lynn R. Thomas 130 1969-06-20
United States, California, Lassen, Hillside ca. 1.5 mi s of Five Corners, ca 5 mi s of Eagle Lake Biological Station., 1890m
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CHSC007619 Nick Santamaria 251 1969-06-28
United States, California, Lassen, Open field about 5 feet from road approx 1/4 mile north of Mahogany Lake turnoff, near Eagle Lake., 2012m
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CHSC007616 Nick Santamaria 254 1969-06-30
United States, California, Lassen, Near a fallen tree in a shaded area on the east side of the stream leading from Dean's meadow near Eagle Lake., 40.556201 -120.717726, 1951m
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CHSC030465 J. P. McKeon 22 1980-06-04
United States, California, Lassen, 200 yd n of Eagle Lake Field Station., 40.618763 -120.728011, 1554m
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CHSC039168 Jeanie M. Thayer 1 1984-05-24
United States, California, Lassen, Top of Gallatin Peak., 2118m
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CHSC001303 V. Holt 1932-06-26
United States, California, Siskiyou, Mt. Eddy., 2743m
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CHSC013590 C. S. Armor 86 1974-04-09
United States, California, Modoc, 200 yds sw of the north water storage tank in Alturas., 1311m
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CHSC039481 Jeanie M. Thayer 1 1984-04-14
United States, California, Modoc, Ca. 50 ft. s of Hwy 299, ca. 4 mi. ene of jct. of hwys 299 and 395. Ca. 10 mi ene of Alturas. S central Sect. 18, T43N, R14E., 1463m
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CHSC004540 J. E. Bowlin 56 1967-07-18
United States, California, Siskiyou, 150 yds. above the parking lot and restaurant at Mount Shasta Ski Bowl. 15.5 mi. from the center of the city of Shasta., 2408m
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CHSC067575 James D Jokerst 1812 1983-05-31
United States, California, Modoc, Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. T41N R12E S24 Center W1/2, 1341m
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CHSC075517 V. H. Oswald; B. Corbin, A Sanger, G. Schoolcraft 9765 1999-06-12
United States, California, Modoc, Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. T43N R15E S23, 2073m
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CHSC096205 R. Fischer 963 2006-05-12
United States, California, Shasta, Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Ca. at mid-point between campsite 7 and Big Lake along Juniper Trail. USGS Quadrangle: Fall River Mills 1:24,000, 1189m
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CHSC121772 Peter F. Zika 24324 2009-05-07
United States, Washington, Klickitat, Hartley Canyon, Columbia Hills., 45.7 -120.733333, 305m
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CHSC121766 Peter F. Zika 24353 2009-05-13
United States, Washington, Klickitat, N aspect, c. 1.5 km NW of junction of Oak Flat Road and Hoctor Road, Columbia Hills., 45.791667 -120.6, 700m
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CHSC122586 David M. Danley 2593 1987-06-16
United States, Nevada, Humboldt, Pine Forest Mountains, CA. 3 miles south of Alta Creek Basin, at the top of Oakley Canyon. T45S, R30E, Section 17 NW1/4., 2050m
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CHSC122585 David M. Danley 2736 1989-04-00
United States, Nevada, White Pine, One mile east of great basin Nat. Park, along Snake Cr. Rd, north of Snake Cr. T12N, R70E., 1859m
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CHSC122584 David M. Danley 3077 1991-05-25
United States, Nevada, Pershing, West side of selenite Range, CA. 9 miles S. of Empire, CA, 4 miles NW of Kumiva Peak. T30S, R24E., 1524m
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CHSC123069 L. P. Janeway 13273 2020-05-07
United States, California, Trinity, Klamath Ranges. Ridgetop just southwest of junction of Roads 29N73 and 29N71, 0.3 km west of Mud Spring, 2.1 air-km south-southwest of South Dubakella Mountain. T29N, R12W, NW¼ of NE¼ of sec. 24. Pony Buck Peak quad., 40.356667 -123.162778, 1640m
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CHSC123082 L. P. Janeway 13286 2020-05-15
United States, California, Trinity, Klamath Ranges. Along Road 39N20 1.4 road-km west of Hwy 3 and Scott Mountain Creek; south-facing slope above Tangle Blue Creek. T39N, R7W, nw¼ of ne¼ of sec. 21. Tangle Blue Lake 7.5' quad., 41.233056 -122.676944, 1224m
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CHSC123165 L. P. Janeway 13215 2020-03-05
United States, California, Shasta, Klamath Ranges. Swasey Recreation Area (BLM); along Princess Ditch Trail 150 m east of Muletown Road, 5.5 road-km north of Placer Road, east side of canyon of Clear Creek. Top of northwest-trending ridge. T31N, R6W, NE¼ of SE¼ of sec. 10. Igo 7.5' quad., 40.552222 -122.526667, 354m
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CHSC123650 L. P. Janeway 13433 2021-04-22
United States, California, Trinity, Klamath Ranges. Low ridge above Hwy 3 and upper Stuart Fork, arm of Trinity Lake, along Stonewall Pass Road 0.3 road-km north of Hwy 3. T35N, R9W, NW¼ of sec. 35. Trinity Dam 7.5 quad., 40.851667 -122.857778, 770m
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CHSC123623 L. P. Janeway; Evan MacKinnon 13471 2021-05-11
United States, California, Tehama, Klamath Ranges. Northwest slope of Tedoc Mountain; near Tedoc Road (Forest Rte 45) 2.2 road-km northwest of Tedoc Gap. T28N, R9W, SW 1/4 of sec. 20. Beegum 7.5' quad., 40.255 -122.910556, 1422m
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CHSC123616 L. P. Janeway 13418 2021-04-21
United States, California, Trinity, Klamath Ranges. Northwest side of Trinity Rive 0.6 road-km southwest of Eagle Creek. T38N, R7W, SE¼ of sec. 16. Tangle Blue Lake 7.5' quad., 41.146944 -122.676111, 872m
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CHSC124010 Richard R. Halse 8276 2011-07-08
United States, Oregon, Douglas, Willamette National Forest; Calapooya Mountains, ca. 35 miles south of Oakridge; along F.S. Road 5851 east of Loletta Lakes., 43.39509 -122.42646, 1687m
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CHSC124682 Josephine Guardino; John Dittes 115 1993-05-08
United States, California, Modoc, Modoc Plateau; Big Valley, Ash Creek State Wildlife Area; 3.6 air-mile west of Adin, 8.2 air-miles northeast of Bieber. At southern edge of Ash Creek Floodplain near Patterson Homestead. T39N, R8E, nw ¼ se ¼ Sec. 26. Big Swamp 7.5' quad., 1269m
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CHSC124845 Tim Hanson 33 2022-03-18
United States, California, Butte, Northern High Sierra Nevada; Feather Falls Scenic Area. south of Fall River; 2.6 air km northeast of Feather Falls waterfall. T21N, R6E, SE¼ of SW¼ of sec. 24. Brush Creek 7.5' quad., 39.658046 -121.251434, 986m