39.46833 39.56833 -121.21916 -121.11916 UC/JEPS: Consortium Search Results
Search Results — 595 specimen records retrieved (595 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC100117  Acer glabrum var. torreyi L. P. Janeway; David Toren 2008-9-15 9596 Plumas Northern High Sierra Nevada. Plumas National Forest; along South Branch Middle Fork Feather River at Cascade Creek, 500 m upstream of the Road 22N95 bridge; 1.8 km northwest of Cascade. Northwest-facing bank of the creek. 1132 Comment
  CAS-BOT-BC30407  Achillea millefolium Lowell Ahart 1979-6-25 s.n. Yuba 2 miles east of Challenge 700 Comment
  CAS-BOT-BC218689  Achnatherum lemmonii Lowell Ahart 1979-6-25 s.n. Yuba 2 miles E of Challenge 700 Comment
  CHSC100745  Achnatherum lemmonii L. P. Janeway 2008-5-11 9364 Yuba Northern High Sierra Nevada. In the northwestern head of Slapjack Creek; along Road 19N34, 1.3 road km southeast of Challenge-La Porte Road; about 1.2 km south-southeast of Woodleaf. 940 Comment
  CAS-BOT-BC216460  Achnatherum occidentale subsp. californicum Lowell Ahart 1979-6-25 s.n. Yuba 2 miles E of Challenge 700 Comment
  CHSC44595  Achnatherum occidentale subsp. californicum Lowell Ahart 1979-6-25 1947 Yuba About 2 miles east of Challenge. 640 Comment
  CAS-BOT-BC218045  Achnatherum stillmanii Lowell Ahart 1980-6-22 2446 Butte 1 mile NE of Woodleaf 1000 Comment
  CHSC30946  Achnatherum stillmanii L. Ahart 1980-6-22 2446 Butte Ca. 19 m north of the county line, along the edge of La Porte Rd, 1 m ne of Woodleaf. 1000 Comment
  CHSC113845  Acmispon americanus var. americanus Lowell Ahart 2014-8-24 19276 Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 611 Comment
  JEPS122339  Acmispon americanus var. americanus Lowell Ahart 2014-8-24 19726 Butte On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  SEINET11261963  Adenocaulon bicolor Robert L. Johnson, Mikel R. Stevens 2015-7-13 3966 Yuba Sierra Nevadas. 2.9 rd mi E of junction with Challenge Cuttoff Rd on La Porte Rd, Sharon Valley. At junction of La Porte Rd and Milk Ranch Rd (dirt rd).; 0 973 Comment
  CAS-BOT-BC202594  Aesculus californica Lowell Ahart 1985-6-17 5045 Butte Near the dirt road on Fields Ridge, about 4 miles south-east of Feather Falls 762 Comment
  CHSC40341  Aesculus californica Lowell Ahart 1985-6-17 5045 Butte On dry bare dark lava, near the dirt road on Fields Ridge, about 4 miles southeast of Feather Falls. 762 Comment
  CHSC117651  Agastache urticifolia Lowell Ahart 2016-8-30 21323 Plumas On the east side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  JEPS127124  Agastache urticifolia Lowell Ahart 2016-8-30 21323 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  CHSC50642  Agoseris heterophylla Lowell Ahart 1990-6-16 6509 Butte On the south side of the dirt road, just south of the Forbestown Generator, on the south side of the Forbestown Reservoir. 487 Comment
  UC1562421  Agoseris heterophylla var. heterophylla Lowell Ahart 1990-6-16 6509 Butte Just south of the Forbestown Generator, on the south side of the Forbestown Reservoir. 487 Comment
  CHSC110467  Agrimonia gryposepala L. P. Janeway 2013-7-24 11189 Yuba Northern High Sierra Nevada. Plumas National Forest; meadow near headwaters of a northeastern tributary to Hampshire Creek, 1.8 km north of North Yuba River and 1.0 km east-northeast of Hampshire creek Meadow. 1102 Comment
  CHSC97118  Agrimonia gryposepala Lowell Ahart 2007-8-7 14424 Yuba West side of an open meadow, on the southeast part of Hampshire Creek Meadow, about 50 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113575  Agrimonia gryposepala Lowell Ahart 2007-8-7 14424 Yuba West side of an open meadow, on the southeast part of Hampshire Creek Meadow, about 50 yards east of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  CAS-BOT-BC47977  Ailanthus altissima Lowell Ahart 1983-7-24 4208 Butte Forbestown Res. - Ner the dirt road at the Forestown Res., about 5 miles north-east of Forbestown. 450 Comment
  CHSC39555  Ailanthus altissima Lowell Ahart 1983-7-24 4208 Butte Near the dirt road at the Forbestown Res., about 5 miles north-east of Forbestown. 450 Comment
  CHSC41588  Ailanthus altissima Lowell Ahart 1983-7-24 4208 Butte Near dirt road at Forbestown Res. ca 5 mi ne Forbestown. 450 Comment
  CHSC37431  Allium membranaceum R. A. Schlising; J. Jokerst, L. Ahart 1982-5-8 4241 Butte SE part of county, NE of Forbestown, SW of Forbestown Diversion Dam. Comment
  CAS-BOT-BC132124  Allium sanbornii var. sanbornii Lowell Ahart 1980-8-12 2531 Yuba About 1 1/2 miles east of Woodleaf Comment
  CHSC107278  Allium sanbornii var. sanbornii L. P. Janeway 2011-8-10 10643 Yuba Northern High Sierra Nevada. Plumas National Forest; serpentine slope on southeast side of Road 19N04 1.3 km north of Challenge-La Porte Road; 2.2 air km northeast of Challenge. 1023 Comment
  CHSC69157  Allium sanbornii var. sanbornii Lowell Ahart 1997-8-7 7835 A Yuba Northwest of the bridge across Indian Creek, about 3 miles (air) east of Challenge. 762 Comment
  JEPS100231  Allium sanbornii var. sanbornii Dean Wm. Taylor, Tom Engstrom 2002-7-3 18214 B Butte Fields Ridge, northerly rim South Fork Feather River canyon (ca. 3 air miles SE of Feather Falls mill site, ca. 19 miles E of Oroville) 975 Comment
  CHSC87306  Allotropa virgata Lowell Ahart 2004-4-27 10758 Yuba West of the water ditch, about 150 yards northwest of where the drainage crosses the road, about 1/2 mile (air) southeast of Woodleaf. 983 Comment
  CHSC117652  Anaphalis margaritacea Lowell Ahart 2016-8-30 21322 Plumas On the east side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  JEPS127123  Anaphalis margaritacea Lowell Ahart 2016-8-30 21322 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  CHSC69127  Angelica breweri Lowell Ahart 1997-8-7 7836 Yuba On east side of the dirt road, about 2 miles (air) southeast of Woodleaf, about 3 miles (air) northeast of Challenge. 853 Comment
  JEPS94518  Angelica breweri Lowell Ahart 1997-8-7 7836 Yuba about 3 air mi ne of Challenge (abut 2 air mi se of Woodleaf, on e side of the dirt road) 853 Comment
  CAS-BOT-BC63865  Antennaria argentea Lowell Ahart 1979-6-25 s.n. Yuba 2 miles eastof Challenge. 700 Comment
  CHSC40467  Antennaria argentea Lowell Ahart 1985-6-17 5048 Butte Along the dirt road on Fields Ridge, about 4 miles south-east of Feather Falls. 792 Comment
  CAS-BOT-BC77281  Antennaria microphylla Lowell Ahart 1985-6-17 5048 Butte 4 miles south-east of Feather Falls, along the dirt road on Fields Ridge 792 Comment
  CHSC63721  Antirrhinum vexillo-calyculatum subsp. intermedium Lowell Ahart 1994-10-16 7564 Butte Along the south side of the dirt road to the Forbestown Reservoir, near Woodleaf Creek, about 3/4 mile south-west of the Forbestown Reservoir Dam, about 2 miles (air) north and 3 1/2 miles east of Forbestown. 762 Comment
  CHSC113593  Antirrhinum vexillocalyculatum subsp. intermedium Lowell Ahart 2014-8-24 19727 Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 611 Comment
  JEPS122292  Antirrhinum vexillocalyculatum subsp. intermedium Lowell Ahart 2014-8-24 19727 Butte On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  JEPS87613  Antirrhinum vexillocalyculatum subsp. intermedium Lowell Ahart 1994-10-16 7564 Butte about 2 air mi n and 3.5 mi e Forbestown (about 0.75 mi sw of the Forbestown Reservoir Dam, along s side of dirt rd to the Forbestown Reservoir, near Woodleaf Creek); road to Forbestown Reservoir, near Woodleaf Creek 762 Comment
  JEPS87614  Antirrhinum vexillocalyculatum subsp. intermedium Lowell Ahart 1994-10-16 7564 Butte about 2 air mi n and 3.5 mi e Forbestown (about 0.75 mi sw of the Forbestown Reservoir Dam, along s side of dirt rd to the Forbestown Reservoir, near Woodleaf Creek) 762 Comment
  JEPS95606  Antirrhinum vexillocalyculatum subsp. intermedium Lowell Ahart 1994-10-16 7564 Butte 2 air miles N and 3 1/2 mi E of Forbestown (along S side of dirt road to Forbestown Reservoir, near Woodleaf Creek, 3/4 mi SW of Forbestown Reservoir Dam) 762 Comment
  RSA0118746  Antirrhinum vexillocalyculatum subsp. intermedium Lowell Ahart 2014-8-24 19727 Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 611 Comment
  CHSC87344  Aphyllon purpureum Lowell Ahart 2004-4-27 10765 Yuba About 20 yards west of a drainage, about 40 yards south of the road, about 1/2 mile (air) southeast of Woodleaf. 931 Comment
  CHSC40280  Apocynum androsaemifolium Lowell Ahart 1985-6-17 5047 Butte Along the edge of the dirt road, Fields Ridge, about 4 miles south-east of Feather Falls. 792 Comment
  CHSC40379  Apocynum androsaemifolium Lowell Ahart 1985-6-17 5049 Butte Along the road on Fields Ridge, about 4 miles south-east of Feather Falls. 792 Comment
  CAS-BOT-BC392099  Aquilegia formosa Lowell Ahart 1979-6-25 s.n. Yuba 2 miles east of Challenge 700 Comment
  CAS-BOT-BC167245  Aralia californica Lowell Ahart 1983-7-24 4214 Butte At the Forbestown Res., about 5 miles north-east of Forbestown 450 Comment
  CHSC39284  Aralia californica Lowell Ahart 1983-7-24 4214 Butte Small wash at the Forbestown Res., about 5 miles north-east of Forbestown. 450 Comment
  CHSC43250  Arceuthobium abietinum Lowell Ahart 1987-10-8 5911 Butte Along the dirt road, about 1 1/4 miles south of the Lost Creek Reservoir. 1066 Comment
  UCD52283  Arctostaphylos mewukka B. F. Smith 1968-9-20 89 Yuba Gochette Ranch; 3 miles east of Challenge. 883 Comment
  CAS-BOT-BC38552  Arctostaphylos mewukka subsp. truei Walter Knight; Irja Knight; Tiffany Knight 1988-7-24 6298 Yuba Kellogg Flat near Woodleaf. On La Porte Rd. 914 Comment
  UCD52570  Arctostaphylos viscida B. F. Smith 1968-9-20 90 Yuba Gochette Ranch, 3 miles east of Challenge, Yuba County, California. 883 Comment
  UCD52572  Arctostaphylos viscida Kathleen Keliher 1975-5-6 89 Yuba Along Forbestown Road, one mile east of Woodleaf, Yuba County, California. 929 Comment
  CAS-BOT-BC48244  Arctostaphylos viscida subsp. viscida L. S. Rose 1931-4-13 s.n. Yuba Woodleaf Comment
  CAS-BOT-BC65897  Aspidotis densa Lowell Ahart 1980-8-12 2529 Yuba About 2 miles south-east of Woodleaf 800 Comment
  CHSC118496  Aspidotis densa L. P. Janeway 2016-5-11 11960 Yuba Northern High Sierra Nevada. Plumas national Forest; near head of eastern tributary of Indian Creek; west side of Road 19N53 0.4 road-km south of Road 29N13. 920 Comment
  CHSC46023  Aspidotis densa Lowell Ahart 1980-8-12 2529 Yuba About 2 miles south-east of Woodleaf. 731 Comment
  CHSC87927  Aspidotis densa Lowell Ahart 2004-5-21 10937 Yuba About 20 yards north of a drainage, about 50 yards east of the road, about 1/2 mile (air) southeast of Woodleaf. 931 Comment
  CHSC62418  Aster radulinus L. P. Janeway 1993-9-7 4590 Yuba Plumas National Forest. About 3 mi east of Woodleaf, ca 3 mi southwest of Clipper Mills. 1043 Comment
  CHSC69131  Aster radulinus Lowell Ahart 1997-8-7 7829 Yuba Peterson Ridge Road, about 3 miles (air) east of Challenge. 762 Comment
  OBI82795  Asyneuma prenanthoides Robert L. Johnson, Mikel R. Stevens 2015-7-12 3967 Trinity Sierra Nevadas. 2.9 rd mi E of junction with Challenge Cuttoff Rd on La Porte Rd, Sharon Valley. At junction of La Porte Rd and Milk Ranch Rd (dirt rd).; 0 973 Comment
  SEINET11262520  Asyneuma prenanthoides Robert L. Johnson, Mikel R. Stevens 2015-7-12 3967 Trinity Sierra Nevadas. 2.9 rd mi E of junction with Challenge Cuttoff Rd on La Porte Rd, Sharon Valley. At junction of La Porte Rd and Milk Ranch Rd (dirt rd).; 0 973 Comment
  JEPS113777  Athyrium filix-femina subsp. cyclosorum Lowell Ahart 2007-8-7 14410 Yuba Hampshire Creek Meadow, about 80 yards east of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  RSA726338  Athyrium filix-femina subsp. cyclosorum L. Ahart 2007-8-7 14410 Yuba Hampshire Creek Meadow, about 80 yards east of the dirt road, about 1 mile east of Clipper Mills. 1021 Comment
  CHSC97122  Athyrium filix-femina var. cyclosorum Lowell Ahart 2007-8-7 14410 Yuba Hampshire Creek Meadow, about 80 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  CHSC87349  Berberis aquifolium var. dictyota Lowell Ahart 2004-4-27 10770 Yuba About 20 yards north of a drainage, about 50 yards east of the road, about 1/2 mile (air) southeast of Woodleaf. 931 Comment
  CAS-BOT-BC75548  Berberis dictyota Lowell Ahart 1983-4-14 3935 Butte About 0.75 mile west of the Forbestown Reserve, about 3.25 miles northeast of Forbestown. 450 Comment
  CHSC97459  Bidens frondosa Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-9-18 14497 Yuba On the east side of a small pond, on the west side of the dirt road, Hampshire Creek Meadow, about 2 yards west of the dirt road, about 1 mile (air) east of Clipper Mills. 1015 Comment
  JEPS115047  Bidens frondosa Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14497 Yuba On the east side of a small pond, on the west side of the dirt road, Hampshire Creek Meadow, about 2 yards west of the dirt road, about 1 mile (air) east of Clipper Mills 1015 Comment
  RSA726441  Bidens frondosa L. Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14497 Yuba About 1 mile (air) east of Clipper Mills. 1016 Comment
  CHSC96911  Boykinia occidentalis Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-7-13 14297 Yuba On the south side of Hampshire Creek, below the cement dam on Hampshire Creek, east of a large wet meadow, about 100 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113710  Boykinia occidentalis Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14297 Yuba On the south side of Hampshire Creek, below the cement dam on Hampshire Creek, east of a large wet meadow, about 100 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills 1021 Comment
  RSA726784  Boykinia occidentalis L. Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 s.n. Yuba About 100 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  CHSC112959  Brodiaea sierrae L. P. Janeway 2014-7-2 11437 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.6 air-km east of Challenge, along Road 19N03 1.3 road mi north of its crossing of Indian Creek, on slopes just east of the creek. 834 Comment
  CHSC112963  Brodiaea sierrae L. P. Janeway 2014-7-2 11432 Yuba Northern High Sierra Nevada. Plumas National Forest; Peterson Ridge Road rounding the southeast-trending ridge between Indian Creek and the un-named creek south of that; 2.4 air-km east of Pike County Peak. 820 Comment
  UCD78204  Brodiaea sierrae Robert E. Preston 2004-6-19 2262 Yuba 1.7 mi NE of Challenge, along La Porte Rd. 944 Comment
  CHSC87811  Bromus carinatus var. carinatus Lowell Ahart 2004-6-2 10989 Butte Near a small meadow, on the east side of a logging road, on the north side of Forbestown Road, about 200 yards east of the intersection of Black Bart Road and Forbestown Road, about 3 1/4 miles (air) southwest of Forbestown. 752 Comment
  JEPS106210  Bromus carinatus var. carinatus Lowell Ahart 2004-6-2 10989 Butte Near a small meadow, on the east side of a logging road, on the north side of Forbestown Road, about 200 yards east of the intersection of Black Bart Road and Forbestown Road, about 3 1/4 miles (air) southwest of Forbestown 752 Comment
  SEINET10662688  Bromus carinatus var. carinatus Lowell Ahart 2004-6-2 Ahart 10989 Butte T19N, R6E, southeast 1/4 Section 18. On the east side of a logging road, on the north side of Forbestown Road, about 200 yards east of the intersection of Black Bart Road and Forbestown Road, about 3 1/4 miles (air) southwest of Forbestown. 752 Comment
  CHSC87898  Bromus laevipes Lowell Ahart 2004-6-2 10988 Butte Near a small meadow, on the east side of a logging road, on the north side of Forbestown Road, about 200 yards east of the intersection of Black Bart Road and Forbestown Road, about 3 1/4 miles (air) southwest of Forbestown. 752 Comment
  JEPS106211  Bromus laevipes Lowell Ahart 2004-6-2 10988 Butte Near a small meadow, on the east side of a logging road, on the north side of Forbestown Road, about 200 yards east of the intersection of Black Bart Road and Forbestown Road, about 3 1/4 miles (air) southwest of Forbestown 752 Comment
  CHSC35748  Bromus tectorum R. E. Preston 1982-5-18 283 Butte Roadside. Forbestown Diversion Dam. 548 Comment
  CDA5380  Buddleja davidii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .266 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  CHSC45837  Calocedrus decurrens Lowell Ahart 1973-1-14 147 Butte Along the edge of the dirt road to Forbestown Reservoir, about 3 miles northeast of Forbestown. 762 Comment
  CHSC100720  Calochortus monophyllus L. P. Janeway 2008-5-11 9357 Yuba Northern High Sierra Nevada. About 0.8 km north-northeast of Challenge; Golden Gate Ravine side of the ridge between that and Jordan Creek; west side of Road 19N04 1.1 km north-northwest of Challenge-La Porte Road. At top of dry northwest-sloping swale. 1012 Comment
  CAS-BOT-BC90912  Calycanthus occidentalis Lowell Ahart 1980-6-19 2413 Yuba Sierra Nevada. 4.5 miles east of Challenge. 900 Comment
  CHSC117665  Calycanthus occidentalis Lowell Ahart 2016-8-30 21319 Yuba In ravine on the north side of a dirt road, about one mile east of Challenge. Comment
  JEPS127132  Calycanthus occidentalis Lowell Ahart 2016-8-30 21319 Yuba About one mile east of Challenge. Comment
  OBI48880  Calyptridium monospermum Lewis S. Rose 1939-6-6 39230 Yuba 2 mi NE of Clipper Mills 1173 Comment
  UC852134  Calyptridium monospermum Lewis S. Rose 1939-6-6 39230 Yuba 2 mi ne of Clipper Mills 1173 Comment
  CAS-BOT-BC37884  Cardamine oligosperma Lowell Ahart 1983-3-24 3910 Butte Sutter Buttes. East bank of Woodleaf Creek above road, about 0.375 mile southwest of the Forbestown Reservoir. 450 Comment
  CHSC39612  Cardamine oligosperma Lowell Ahart 1983-3-28 3910 Butte Found on the east bank of Woodleaf Creek, above the road, about 3/8 mile south-west of the Forbestown Res., about 4 miles north-east of Forbestown. 450 Comment
  CAS-BOT-BC38061  Cardamine pachystigma Lowell Ahart 1983-3-28 3906 Butte About 0.5 mile southwest of the Forbestown Reservoir, along the road. About 4 miles northeast of Forbestown. 450 Comment
  CHSC32631  Cardamine pachystigma M. S. Taylor; L. Hanson 1981-4-2 3472 Butte South side of Forbestown Reservoir, at base of cliff, s side of Rd 20N29, ca. 3 air mi n of Woodleaf. 548 Comment
  CHSC34524  Cardamine pachystigma R. E. Preston 1981-4-11 52 Butte Roadcut, on s side of Forbestown Reservoir, ca. 400 m e of diversion dam, ca. 5.8 km ne of Forbestown. 580 Comment
  CHSC39609  Cardamine pachystigma var. pachystigma Lowell Ahart 1983-3-28 3906 Butte About 1/2 mile south-west of the Forbestown Res., along the road where there is a serpentine slide area, about 4 miles north-east of Forbestown. 450 Comment
  CHSC87347  Cardamine pachystigma var. pachystigma Lowell Ahart 2004-4-27 10767 Yuba About 20 yards north of a drainage, about 50 yards east of the road, about 1/2 mile (air) southeast of Woodleaf. 931 Comment
  JEPS106277  Cardamine pachystigma var. pachystigma Lowell Ahart 2004-4-27 10767 Yuba About 20 yards north of a drainage, about 50 yards east of the road, about 1/2 mile (air) southeast of Woodleaf 931 Comment
  CHSC105967  Carex amplifolia Lowell Ahart 2010-9-9 17142 Yuba In a small meadow, about 50 yards east of the dirt road (road now destroyed), east part of Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills. 1015 Comment
  CHSC96958  Carex amplifolia Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-7-13 14296 Yuba On the south side of Hampshire Creek, on the southeast side of a large wet meadow, about 80 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113714  Carex amplifolia Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14296 Yuba On the south side of Hampshire Creek, on the southeast side of a large wet meadow, about 80 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills 1021 Comment
  UC1586395  Carex angustata Lowell Ahart 1991-7-22 6684 Sierra about 1/4 mi s Henness Pass Road (along a very small branch of Pass Creek in French Meadow, about 3 mi nw of Webber Lake); Pass Creek, French Meadow 2133 Comment
  CHSC42823  Carex aurea L. P. Janeway 1987-6-19 2242 Butte Along Barton Hill Rd towards Sly Cr Reservoir, 1.7 mi from the Challenge-LaPorte Rd and Travis Saddle. 1066 Comment
  CHSC110879  Carex cyrtostachya L. P. Janeway; Lowell Ahart, Linnea Hanson 2007-7-13 9116 Yuba Northern High Sierra Nevada. Plumas National Forest; Hampshire Creek meadow, 1.5 air km east of Clipper Mills and 1.8 air km northwest of North Yuba River. 1026 Comment
  CHSC115738  Carex cyrtostachya P. F. Zika; B. Wilson, L. Ahart, L. Janeway 2011-8-5 25718 Yuba Hampshire Meadow, 1 air mile E of Clipper Mills, northr Sierra Nevada Highlands. 1025 Comment
  CHSC97201  Carex cyrtostachya Lowell Ahart 2007-8-7 14419 Yuba Along a small stream, about 100 yards northwest of the dirt road, north part of Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills. 1021 Comment
  HSC103662  Carex cyrtostachya L. P. Janeway, L. Ahart, Linnea Hanson 2007-7-13 9116 Yuba Northern High Sierra Nevada. Plumas National Forest; Hampshire Creek meadow, 1.5 air km. E of Clipper Mills and 1.8 air km. NW of North Yuba River 1026 Comment
  JEPS121376 Image available Carex cyrtostachya P. F. Zika, B. Wilson, L. Ahart, L. Janeway 2011-8-5 25715 Butte Forest Road 20N03 (Moreville Ridge Road), 2 air miles SE of Sugar Pine Point, Pinkard Creek drainage, W northern Sierra Nevada Highlands (n SNH). Comment
  JEPS121421  Carex cyrtostachya P. F. Zika, B. Wilson, L. Ahart, L. Janeway 2011-8-5 25718 Yuba Hampshire Meadow, 1 air mile E of Clipper Mills, northern Sierra Nevada Highlands (n SNH) Comment
  UCD168923  Carex cyrtostachya L. P. Janeway; Lowell Ahart, Linnea Hanson 2007-7-13 9116 Yuba Northern High Sierra Nevada. Plumas National Forest; Hampshire Creek meadow, 1.5 air km east of Clipper Mills and 1.8 air km northwest of North Yuba River. 1026 Comment
  CHSC96751  Carex echinata subsp. echinata Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-7-13 14299 Yuba On the south side of Hampshire Creek, on the southeast side of a large wet meadow, about 80 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113711  Carex echinata subsp. echinata Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14299 Yuba On the south side of Hampshire Creek, on the southeast side of a large wet meadow, about 80 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills 1021 Comment
  CHSC96914  Carex laeviculmis Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-7-13 14295 Yuba On the south side of Hampshire Creek, on the south side of a large wet meadow, about 80 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113729  Carex laeviculmis Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14295 Yuba On the south side of Hampshire Creek, on the south side of a large wet meadow, about 80 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills 1021 Comment
  CHSC42821  Carex lemmonii L. P. Janeway 1987-6-19 2244 Butte Along Barton Hill Rd towards Sly Cr Reservoir, 1.7 mi from the Challenge-LaPorte Rd and Travis Saddle. 1066 Comment
  UC1586399  Carex lenticularis var. lipocarpa Lowell Ahart 1991-7-22 6685 Sierra about 1/4 mi s Henness Pass Road (along a very small branch of Pass Creek in French Meadow, about 3 mi nw of Webber Lake); Pass Creek, French Meadow 2133 Comment
  CAS-BOT-BC344997  Carex mendocinensis L. P. Janeway; Lowell Ahart; Linnea Hanson 2007-7-13 9116 Yuba Northern High Sierra Nevada. Plumas National Forest; Hampshire Creek meadow, 1.5 air km E of Clipper Mills and 1.8 air km NW of North Yuba River. 1026 Comment
  CHSC115302  Carex multicaulis Lowell Ahart 2015-4-30 20125 Yuba Open forest, on the south side of the gravel road, about 10 yards east of the gate, about 3/4 mile (air) southeast of Woodleaf. Mixed Evergreen Forest. 948 Comment
  UC1586400  Carex raynoldsii Lowell Ahart 1991-7-22 6686 Sierra about 1/4 mi s Henness Pass Road (near a small branch of Pass Creek, about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  CHSC96876  Carex stipata var. stipata Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-7-13 14298 Yuba On the south side of Hampshire Creek, on the southeast side of a large wet meadow, about 80 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113713  Carex stipata var. stipata Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14298 Yuba On the south side of Hampshire Creek, on the southeast side of a large wet meadow, about 80 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills 1021 Comment
  CHSC52881  Carex subfusca L. P. Janeway 1989-5-17 3248 Butte Cyn overlook along road to Forbestown Diversion Dam 3.7 mi from Forbestown Rd. 693 Comment
  JEPS127219  Carex utriculata Lowell Ahart 2016-8-30 21324 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  CHSC41265  Castilleja affinis J. D. Jokerst 1984-4-23 1984 Yuba Ca. 1/4 mile north of the north Fork of the Yuba River at Wambo Bar. Comment
  CHSC114973  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-18 20055 Butte On the east side of the road to Forbeestown Reservoir, about 1/4 mile southwest of the Forbestown Reservoir, about 3-1/2 miles (air) northeast of Forbestown. 573 Comment
  CHSC114974  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-18 20055 B Butte On the east side of the road to Forbeestown Reservoir, about 1/4 mile southwest of the Forbestown Reservoir, about 3-1/2 miles (air) northeast of Forbestown. 573 Comment
  CHSC114975  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-18 20055 A Butte On the east side of the road to Forbeestown Reservoir, about 1/4 mile southwest of the Forbestown Reservoir, about 3-1/2 miles (air) northeast of Forbestown. 573 Comment
  CHSC115315  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-18 20051 Butte On the south side of the road to the Forbestown Reservoir, about 1/2 mile southwest of the Forbestown Reservoir, about 3 1/2 miles (air) northeast of Forbestown. 669 Comment
  CHSC115318  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-18 20053 Butte On the south side of the road to the Forbestown Reservoir, about 1/2 mile southwest of the Forbestown Reservoir, about 3 1/2 miles (air) northeast of Forbestown. 669 Comment
  GH395181  Castilleja applegatei subsp. pinetorum L. Ahart 2015-4-18 20055 Unknown on the east side of the road to the Forbestown Reservoir, about 1/4 mile southwest of the Forbestown Reservoir, about 3 1/2 miles (air) northeast of Forbestown. T20N, R7E, Section 32 Comment
  GH395182  Castilleja applegatei subsp. pinetorum L. Ahart 2015-4-18 20055 -A Unknown on the east side of the road to the Forbestown Reservoir, about 1/4 mile southwest of the Forbestown Reservoir, about 3 1/2 miles (air) northeast of Forbestown. T20N, R7E, Section 32 Comment
  JEPS123822  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-18 20055 Butte About 1/4 mile southwest of the Forbestown Reservoir, about 3 1/2 miles (air) northeast of Forbestown. Comment
  JEPS123823  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-18 20055 -A Butte About 1/4 mile southwest of the Forbestown Reservoir, about 3 1/2 miles (air) northeast of Forbestown. Comment
  JEPS123825  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-18 20055 -B Butte About 1/4 mile southwest of the Forbestown Reservoir, about 3 1/2 miles (air) northeast of Forbestown. Comment
  CHSC115311  Castilleja pruinosa Lowell Ahart 2015-4-30 20128 Yuba On both sides of the poor dirt road, about 3 miles (air) southeast of Challenge. 808 Comment
  CHSC43534  Castilleja pruinosa Lowell Ahart 1979-6-25 1948 Yuba About 2 miles east of Challenge. 670 Comment
  JEPS123870  Castilleja pruinosa Lowell Ahart 2015-4-30 20128 Yuba About 3 miles (air) southeast of Challenge. Comment
  SD147493  Castilleja pruinosa Lowell Ahart 1980-6-19 2411 Yuba 4 miles east of Challenge 900 Comment
  UC1586498  Castilleja tenuis Lowell Ahart 1991-7-22 6680 Sierra about 3 mi nw Webber Lake (about 0.1 mi s of Henness Pass Road, in French Meadow); French Meadow 2133 Comment
  CHSC115316  Ceanothus integerrimus var. macrothyrsus Lowell Ahart 2015-4-18 20054 Butte On the east side of the road to the Forbestown Reservoir, about 1/4 mile southwest of the Forbestown Reservoir, about 3 1/2 miles (air) northeast of Forbestown. 573 Comment
  JEPS123821  Ceanothus integerrimus var. macrothyrsus Lowell Ahart 2015-4-18 20054 Butte About 1/4 mile southwest of the Forbestown Reservoir, about 3 1/2 miles (air) northeast of Forbestown. Comment
  CHSC61294  Centaurea jacea Lowell Ahart 1993-8-8 7154 Butte On the west side of La Porte Road, about 2 miles south-west of Clipper Mills. 1066 Comment
  JEPS87515 Image available Centaurea jacea Lowell Ahart 1993-8-8 7154 Butte w side of La Porte Road about 2 mi sw Clipper Mills 1066 Comment
  UC1609220 Image available Centaurea jacea Lowell Ahart 1993-8-8 7154 Butte w side of La Porte Road about 2 mi sw Clipper Mills 1066 Comment
  CHSC115798  Centaurea stoebe subsp. micranthos Lowell Ahart 2015-9-8 20533 Butte On the sides of a dirt road, about one mile northeast of the bridge across Fall River, about 8 miles (air) northeast of the school in Feather Falls. 1191 Comment
  JEPS124130  Centaurea stoebe subsp. micranthos Lowell Ahart 2015-9-8 20533 Butte About one mile northeast of the bridge across Fall River, about 8 miles (air) northeast of the school in Feather Falls. Comment
  UC1562423  Centaurium muehlenbergii Lowell Ahart 1990-6-16 6511 Butte on the e side Forbestown Reservoir (at the Forbestown Generator, on the e side of the dirt road) 487 Comment
  CHSC50673  Centaurium tenuiflorum Lowell Ahart 1990-6-16 6511 Butte Along a small streamlet at the Forbestown Generator, on the east side of the dirt road, on the east side of the Forbestown Reservoir. 487 Comment
  SEINET3814609 Image available Chamaebatia foliolosa Lewis S. Rose 1933-5-27 33204 Yuba Woodleaf. 1052 Comment
  UCD112934  Chamaebatia foliolosa Kathleen Keliher 1975-5-6 90 Yuba Near Forbestown Road, 30 meters from La Porte Road, 1 mile east of Woodleaf. 929 Comment
  CHSC113843  Chamaesyce maculata Lowell Ahart 2014-8-24 19729 Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 611 Comment
  CHSC616  Chamaesyce maculata R. Carter 1964-6-5 110 Butte 7 mi. E of Oroville at 6120 Woodleaf St. Rt. 3 ft. brom back door beside walk. 243 Comment
  JEPS122287  Chamaesyce maculata Lowell Ahart 2014-8-24 19729 Butte On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  CDA10772  Chrysothamnus nauseosus subsp. albicaulis L. Ahart 2002-9-8 9936 Yuba Along a small wash, on the north side of the dirt road, about 1 mile southeast of Woodleaf, about 3 miles (air) northeast of Challenge. Comment
  JEPS109585  Clarkia mosquinii Dean Wm. Taylor, Tom Engstrom 2002-7-3 18214 Butte Fields Ridge, northerly rim South Fork Feather River canyon (ca. 3 air miles SE of Feather Falls mill site, ca. 19 miles E of Oroville, along Forest Road 20N24) 975 Comment
  CHSC1107  Clarkia purpurea R. Carter 1964-5-27 104 Butte 8 mi E of Oroville at 6120 Woodleaf Star Rt. on W side of driveway. 121 Comment
  CHSC70761  Clarkia stellata L. P. Janeway; Loren Gehrung, Karen Lee, Marcile Sigler, C. Sivil 1993-6-15 4384 Yuba 1.3 mi east of Woodleaf, 1.2 mi southwest of Clipper Mills; uppermost drainage of Slapjack Creek. 1043 Comment
  CHSC35704  Claytonia exigua subsp. exigua J. D. Jokerst; R. A. Schlising, L. Ahart 1982-5-8 1560 Butte Opening in Yellow Pine F. Adjacent to road to Forbestown Resv. just S of its jct with the S. Fork of the Feather River. Comment
  CHSC32637  Claytonia parviflora subsp. parviflora M. S. Taylor 1981-4-2 3467 Butte In serpentine gravel at base of cliff, se side of Forbestown Reservoir, s of rd 20N29, ca. 3 mi n of Woodleaf. 548 Comment
  CAS-BOT-BC440032  Claytonia perfoliata subsp. perfoliata Lowell Ahart 1982-5-8 3419 Butte About 1/2 mile south-west of the Forbestown Res., about 4 1/2 miles north-east of Forbestown 800 Comment
  CAS-BOT-BC92578  Clematis ligusticifolia Lowell Ahart 1983-7-24 4215 Butte At the Forbestown Reserve, about 5 miles northeast of Forbestown. 450 Comment
  CAS-BOT-BC92580  Clematis ligusticifolia Lowell Ahart 1985-7-24 5158 Butte At the Forbestown Reserve, about 4.5 miles northeast of Forbestown. At the Generator. 350 Comment
  CHSC40318  Clematis ligusticifolia Lowell Ahart 1985-7-24 5158 Butte At the Generator, at the Forbestown Res., about 4 1/2 miles north-east of Forbestown. 350 Comment
  CHSC52786  Clematis ligusticifolia Lowell Ahart 1983-7-24 4215 Butte At the Forbestown Reservoir, about 5 miles north-east of Forbestown. 426 Comment
  CHSC84380  Clematis ligusticifolia L. Ahart; P. Ahart 1983-7-24 4215 Butte At the Forbestown Reservoir, ca. 5 mi ne of Forbestown. 450 Comment
  RSA325883  Clematis ligusticifolia L. Ahart, P. Ahart 1983-7-24 4215 Butte S32 at the Forbestown Reservoir, 5 miles NE of Forbestown, Yellow Pine Forest. 450 Comment
  UC1586406  Collinsia parviflora Lowell Ahart Jul 22 1991-Jul 23 1991 6698 Sierra about 3 mi nw of Webber Lake (about 1/4 mi s of Hennesse Pass Road, in French Meadow); French Meadow 2133 Comment
  SEINET11261374  Collomia heterophylla Robert L. Johnson, Mikel R. Stevens 2015-7-12 3968 Trinity Sierra Nevadas. 2.9 rd mi E of junction with Challenge Cuttoff Rd on La Porte Rd, Sharon Valley. At junction of La Porte Rd and Milk Ranch Rd (dirt rd).; 0 973 Comment
  UC1586493  Collomia linearis Lowell Ahart 1991-7-22 6675 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  CAS-BOT-BC209439  Cornus nuttallii Lloyd W. Swift 1932-5-12 57 Yuba Plumas National Forest. Clipper Mills 1066 Comment
  UC1586500  Cryptantha affinis Lowell Ahart 1991-7-22 6691 Sierra 3 mi nw Webber Lake (about 0.1 mi s of Henness Pass Road); French Meadow 2133 Comment
  CHSC69457  Cyperus eragrostis Lowell Ahart 1997-8-30 7879 Yuba On the west side of the dirt road, near a road culvert, about one mile (air) south of Woodleaf. 944 Comment
  JEPS94449  Cyperus eragrostis Lowell Ahart 1997-8-30 7879 Yuba about 1 air mi s of Woodleaf (on w side of the dirt road, near a road culvert) 944 Comment
  CHSC117631  Cyperus squarrosus Lowell Ahart 2016-8-30 21329 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CAS-BOT-BC189855  Danthonia californica Lowell Ahart 1979-6-25 s.n. Yuba 2 miles east of Challenge. 700 Comment
  CHSC44559  Danthonia californica var. americana Lowell Ahart 1979-6-25 1953 Yuba Along the road gutter, there is a spring near by, about 2 miles east of Challenge. 640 Comment
  CHSC41270  Delphinium patens J. D. Jokerst 1984-4-23 1982 Yuba Ca 1/2 mile north of the N Fork Yuba River at Wambo Bar. Comment
  CDA31678  Deschampsia elongata D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .27 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  UC1586491  Descurainia incana Lowell Ahart 1991-7-22 6674 Sierra about 3 mi nw Webber Lake (French Meadow, about 0.25 mi s of Henness Pass Road); French Meadow 2133 Comment
  CHSC52184  Dicentra formosa subsp. formosa L. P. Janeway 1989-5-17 3254 Butte Along rd to Forbestown Diversion Dam 2.9 mi from Forbestown Rd. 792 Comment
  CHSC100774  Dichelostemma capitatum subsp. capitatum L. P. Janeway 2008-5-11 9358 Yuba Northern High Sierra Nevada. About 0.8 km north-northeast of Challenge; Golden Gate Ravine side of the ridge between that and Jordan Creek; west side of Road 19N04 1.1 km north-northwest of Challenge-La Porte Road. At top of dry northwest-sloping swale. 1012 Comment
  CHSC118503  Dichelostemma capitatum subsp. capitatum L. P. Janeway 2016-5-11 11959 Yuba Northern High Sierra Nevada. Plumas National Forest; near head of eastern tributary of Indian Creek; west side of Road 19N53 0.4 road-km south of Road 29N13. 920 Comment
  CHSC62590  Diplacus torreyi L. P. Janeway 1993-6-15 4385 Yuba Plumas National Forest. 1.3 mi east of Woodleaf, 1.2 mi southwest of Clipper Mills; uppermost drainage of Slapjack Creek. 1043 Comment
  CHSC33917  Disporum hookeri M. S. Taylor; L. Hanson 1981-4-30 3579 Yuba On n side of 20N04.3, ca. 1 mi e of Clipper Mills. 1066 Comment
  CHSC110135  Dittrichia graveolens M. S. Williams; T. M. Hanson 2012-10-31 Yuba Northern High Sierra Nevada. Plumas National Forest; approximately 1.3 air miles northeast of Challenge (1.7 road miles). 945 Comment
  JEPS120505  Dittrichia graveolens M. S. Williams, T. M. Hanson 2012-10-31 Yuba Northern High Sierra Nevada. Plumas National Forest; approximately 1.3 air miles northeast of Challenge (1.7 road miles). Comment
  UC1586489  Draba albertina Lowell Ahart 1991-7-22 6673 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  CHSC52343  Draperia systyla L. P. Janeway 1989-5-17 3250 Butte Cyn overlook along rd to Forbestown Diversion Dam 3.7 mi from Forbestown Rd. Old landing/overlook covered with straw. 693 Comment
  CAS-BOT-BC70854  Dryopteris arguta Lowell Ahart 1983-7-24 4207 Butte Forbestown Res., about 5 miles northeast of Forbestown 450 Comment
  CHSC113583  Dryopteris arguta Lowell Ahart 2014-8-24 19721 Butte On the south side of the road, about 150 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 577 Comment
  CHSC39979  Dryopteris arguta L. Ahart; P. Ahart 1983-7-24 4207 Butte At the Forbestown Reservoir, ca. 5 mi ne of Forbestown. 450 Comment
  JEPS122333  Dryopteris arguta Lowell Ahart 2014-8-24 19721 Butte On the south side of the road, about 150 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  CAS-BOT-BC227154  Elymus elymoides Lowell Ahart 1979-6-25 s.n. Yuba 2 mi e of Challenge 700 Comment
  CHSC44533  Elymus stebbinsii subsp. septentrionalis Lowell Ahart 1979-6-25 1946 Yuba North of the dirt road, about 2 miles east of Challenge. 640 Comment
  UC1586482  Elymus trachycaulus Lowell Ahart 1991-7-22 6692 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  CHSC69426  Epilobium brachycarpum Lowell Ahart 1997-8-30 7876 Yuba On the west side of the dirt road, in a clear cut, Peterson Ridge Road, about 3 miles (air) east of Challenge. 762 Comment
  JEPS94446  Epilobium brachycarpum Lowell Ahart 1997-8-30 7876 Yuba about 3 air mi e of Challenge (on w side of the dirt road, in clear cut, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  CHSC39978  Epilobium ciliatum subsp. ciliatum L. Ahart; P. Ahart 1983-7-24 4212 Butte At the Forbestown Reservoir, ca. 5 mi ne of Forbestown. Along edge of road. 450 Comment
  CHSC96979  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2007-8-7 14421 Yuba On the southwest part of Hampshire Creek Meadow, about 80 yards west of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  UC1586483  Epilobium hallianum Lowell Ahart 1991-7-22 6697 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  CHSC115317  Epilobium minutum Lowell Ahart 2015-4-18 20052 Butte On the north side of the road to the Forbestown Reservoir, about 1/2 mile southwest of the Forbestown Reservoir, about 3 1/2 miles (air) northeast of Forbestown. 669 Comment
  JEPS123820  Epilobium minutum Lowell Ahart 2015-4-18 20052 Butte About 1/2 mile southwest of the Forbestown Reservoir, about 3 1/2 miles (air) northeast of Forbestown. Comment
  CHSC115801  Ericameria nauseosa var. oreophila Lowell Ahart; John Deurloo 2015-8-25 20531 Plumas On the bottom of the Bean Hill Mine, hydraulic mine in serpentine, 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air)south Twain, 7.8 miles (air) west-northwest of Quincy. 1367 Comment
  JEPS124132  Ericameria nauseosa var. oreophila Lowell Ahart, John Deurloo 2015-8-25 20531 Plumas 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air) south of Twain, 7.8 miles (air) west-northwest of Quincy. Comment
  CHSC83006  Ericameria nauseosa var. speciosa Lowell Ahart 2002-9-8 9936 Yuba Along a wash, on the north side of the dirt road, about 1 mile southeast of Woodleaf, about 3 miles (air) northeast of Challenge. 1001 Comment
  JEPS103302  Ericameria nauseosa var. speciosa Lowell Ahart 2002-9-8 9936 Yuba Along a wash, on the N side of the dirt road, ca 1 mile SE of Woodleaf, ca 3 miles (air) NE of Challenge. 1001 Comment
  CAS-BOT-BC300617  Erigeron foliosus var. hartwegii Lowell Ahart 1983-7-24 4211 Butte At the Forbestown Res., about 5 miles north-east of Forbestown 450 Comment
  CAS-BOT-BC295163  Erigeron inornatus Lowell Ahart 1983-7-24 4206 Butte At the Forbestown Res., about 5 miles north-east of Forbestown 450 Comment
  CAS-BOT-BC295784  Erigeron petrophilus var. sierrensis Lowell Ahart 1980-8-12 2528 Yuba About 2 miles south-east of Woodleaf 800 Comment
  CHSC113844  Erigeron petrophilus var. sierrensis Lowell Ahart 2014-8-24 19732 Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 611 Comment
  CHSC39558  Erigeron petrophilus var. sierrensis Lowell Ahart 1983-7-24 4206 Butte At the Forbestown Res., about 5 miles north-east of Forbestown. 450 Comment
  CHSC46918  Erigeron petrophilus var. sierrensis Lowell Ahart 1980-8-12 2528 Yuba Near the dirt road, about 2 miles south-east of Woodleaf. 731 Comment
  JEPS100228  Erigeron petrophilus var. sierrensis Dean W. Taylor 2002-7-3 18216 Butte Fields Ridge, northerly rim South Fork Feather River canyon (ca. 3 air miles SE of Feather Falls mill site, ca. 19 miles E of Oroville) 1005 Comment
  JEPS122288  Erigeron petrophilus var. sierrensis Lowell Ahart 2014-8-24 19732 Butte On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  RSA0118748  Erigeron petrophilus var. sierrensis Lowell Ahart 2014-8-24 19732 Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown 611 Comment
  CAS-BOT-BC295952  Erigeron philadelphicus Lowell Ahart 1985-7-24 5155 Butte Below the high water line of the Forbestown Res., about 50 yards south of the Generator, about 4 1/2 miles north-east of Forbestown 350 Comment
  CHSC96977  Erigeron philadelphicus Lowell Ahart 2007-8-7 14427 Yuba About 200 yards south of Hampshire Creek Meadow, about 30 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113577  Erigeron philadelphicus var. philadelphicus Lowell Ahart 2007-8-7 14427 Yuba About 200 yards south of Hampshire Creek Meadow, about 30 yards east of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  CHSC40479  Erigeron strigosus Lowell Ahart 1985-7-24 5155 Butte Forbestown Res., about 50 yards south of the Generator, about 4 1/2 miles north-east of Forbestown. 350 Comment
  CHSC39559  Eriogonum luteolum var. luteolum Lowell Ahart 1983-7-24 4205 Butte Found at the Forbestown Res., about 5 miles northeast of Forbestown. 450 Comment
  CHSC113842  Eriogonum nudum var. oblongifolium Lowell Ahart 2014-8-24 19727 A Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 611 Comment
  CHSC34041  Eriogonum nudum var. oblongifolium L. Ahart 1981-7-7 2930 Butte Along the edge of the dirt rd ca. 1/2 mi w of the Forbestown Reservoir, ne of Forbestown. 750 Comment
  CHSC63709  Eriogonum nudum var. oblongifolium Lowell Ahart 1994-10-16 7563 Butte Along both sides of the dirt road to the Forbestown Reservoir, near Woodleaf Creek, about 3/4 mile south-west of the Forbestown Reservoir Dam, about 2 miles (air) north and 3 1/2 miles east of Forbestown. 762 Comment
  CHSC69142  Eriogonum nudum var. oblongifolium Lowell Ahart 1997-8-7 7834 Yuba On the north side of the dirt road, northwest of the bridge across Indian Creek, about 3 miles (air) east of Challenge. 762 Comment
  JEPS122291  Eriogonum nudum var. oblongifolium Lowell Ahart 2014-8-24 19727 -A Butte On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  JEPS87617  Eriogonum nudum var. oblongifolium Lowell Ahart 1994-10-16 7563 Butte about 3/4 mi sw along dirt road Forbestown Reservoir Dam (near creek, about 2 air mi n and 3 1/2 mi e of Forbestown); Woodleaf Creek 762 Comment
  JEPS87618  Eriogonum nudum var. oblongifolium Lowell Ahart 1994-10-16 7563 Butte about 3/4 mi sw along dirt road Forbestown Reservoir Dam (near creek, about 2 air mi n and 3 1/2 mi e of Forbestown); Woodleaf Creek 762 Comment
  JEPS94519  Eriogonum nudum var. oblongifolium Lowell Ahart 1997-8-7 7834 Yuba about 3 air mi e of Challenge (on n side of the dirt road, nw of the bridge across Indian Creek) 762 Comment
  JEPS95461  Eriogonum nudum var. oblongifolium Lowell Ahart 1994-10-16 7563 Butte 2 air miles N and 3 1/2 mi E of Forbestown (along both sides of dirt road to Forbestown Reservoir, near Woodleaf Creek, 3/4 mi SW of Forbestown Reservoir Dam) 762 Comment
  CDA22676  Eriogonum umbellatum var. ahartii L. Ahart 2002-9-8 9935 Yuba Along a small wash, on the north side of the dirt road, about 1 mile southeast of Woodleaf, about 3 miles (air) northeast of Challenge. Comment
  CHSC107276  Eriogonum umbellatum var. ahartii L. P. Janeway 2011-8-10 10640 Yuba Northern High Sierra Nevada. Plumas National Forest; serpentine slope on southeast side of Road 19N04 1.3 km north of Challenge-La Porte Road; 2.2 air km northeast of Challenge. 1023 Comment
  CHSC113601  Eriogonum umbellatum var. ahartii Lowell Ahart 2014-8-24 19730 Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 611 Comment
  CHSC34044  Eriogonum umbellatum var. ahartii L. Ahart 1981-7-7 2929 Butte Along the edge of the dirt rd ca. 1/2 mi w of the Forbestown Reservoir, ne of Forbestown. 750 Comment
  CHSC69146  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-8-7 7835 Yuba On the north side of the dirt road, northwest of the bridge across Indian Creek, about 3 miles (air) east of Challenge. 762 Comment
  CHSC69147  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-8-9 7838 Yuba On the west side of the dirt road, about one mile (air) south of Woodleaf. 944 Comment
  CHSC69452  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-8-30 7882 Butte On the south side of the road to Forbestown Reservoir, west of Woodleaf Creek, 1/2 mile south of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 609 Comment
  CHSC69687  Eriogonum umbellatum var. ahartii Vernon Oswald 1985-6-26 1867 Butte Forbestown Reservoir Rd. 0.2 mi w of Oroleve Creek. 617 Comment
  CHSC83009  Eriogonum umbellatum var. ahartii Lowell Ahart 2002-9-8 9935 Yuba Along a wash, on the north side of the dirt road, about 1 mile southeast of Woodleaf, about 3 miles (air) northeast of Challenge. 1001 Comment
  CHSC95067  Eriogonum umbellatum var. ahartii L. P. Janeway; David Toren, Dan Lubin, Erin Brandy 2006-7-17 8814 Yuba Northern High Sierra Nevada. Slope on east side above Indian Creek; 3.0 km south of Woodleaf and 2.8 km east of Challenge. Southwest-facing slope of rocky weathered serpentine. 815 Comment
  CHSC95082  Eriogonum umbellatum var. ahartii L. P. Janeway 2006-7-18 8815 Yuba Northern High Sierra Nevada. Along the '107' road, overlooking Golden Gate Ravine from the south; 2.4 km north-northeast of Challenge and 2.4 km southwest of Woodleaf. Small serpentine area along dirt road, northwest-facing. 937 Comment
  HSC96690  Eriogonum umbellatum var. ahartii L. P. Janeway, David Toren, Dan Lubin, Erin Brandy 2006-7-17 8814 Yuba N High Sierra Nevada, slope on E side above Indian Creek, 3 km. S of Woodleaf, 2.8 km. E of Challenge 815 Comment
  JEPS104649  Eriogonum umbellatum var. ahartii Lowell Ahart 2002-9-8 9935 Yuba serpentine area, along a small wash, N side of the dirt road, about 1 mi SE of Woodleaf, about 3 air mi NE of Challenge; Lat. 39 deg. 30' 33.8, Long. 121 deg. 11' 01.7 1001 Comment
  JEPS113303  Eriogonum umbellatum var. ahartii L. P. Janeway, David Toren 2006-7-18 8815 Yuba Northern High Sierra Nevada. Along the 107 road, overlooking Golden Gate Ravine from the south; 2.4 km north-northeast of Challenge & 2.4 km southwest of Woodleaf. Comment
  JEPS122289  Eriogonum umbellatum var. ahartii Lowell Ahart 2014-8-24 19730 Butte On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  JEPS95068  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-8-7 7835 Yuba about 3 air mi e of Challenge (on n side of dirt road, nw of the bridge across Indian Creek) 762 Comment
  JEPS95143  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-8-7 7835 Yuba about 3 air mi e of Challenge (on n side of dirt road, nw of the bridge across Indian Creek) 762 Comment
  RSA0118749  Eriogonum umbellatum var. ahartii Lowell Ahart 2014-8-24 19730 Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 611 Comment
  CAS-BOT-BC265202  Eriogonum umbellatum var. speciosum Lowell Ahart 1980-8-12 2526 Yuba Ca. 2 mile south-east of Woodleaf, Sierra Nevada 800 Comment
  JEPS100230  Eriogonum umbellatum var. speciosum Dean W. Taylor 2002-7-3 18215 Butte Fields Ridge, northerly rim South Fork Feather River canyon (ca. 3 air miles SE of Feather Falls mill site, ca. 19 miles E of Oroville) 1005 Comment
Read comments Jan 25 2016
  SD147528  Eriogonum umbellatum var. speciosum Lowell Ahart 1980-8-12 2526 Yuba Sierra Nevada: Ca. 2 miles south-east of Woodleaf. 800 Comment
  CAS-BOT-BC262344  Eriogonum vimineum Lowell Ahart 1983-7-24 4205 Butte At the Forbestown Res., about 5 miles north-east of Forbestown 450 Comment
  CAS-BOT-BC308244  Eriophyllum lanatum var. grandiflorum Lowell Ahart 1979-6-25 s.n. Yuba 2 miles east of Challenge Comment
  CHSC112961  Eriophyllum lanatum var. grandiflorum L. P. Janeway 2014-7-2 11433 Yuba Northern High Sierra Nevada. Plumas National Forest; Peterson Ridge Road rounding the southeast-trending ridge between Indian Creek and the un-named creek south of that; 2.4 air-km east of Pike County Peak. 820 Comment
  CHSC45002  Eriophyllum lanatum var. grandiflorum Lowell Ahart 1979-6-25 1945 Yuba North of the dirt road, about 2 air miles east of Challenge. 640 Comment
  CHSC118502  Erythranthe bicolor L. P. Janeway 2016-5-11 11958 Yuba Northern High Sierra Nevada. Plumas National Forest; near head of eastern tributary of Indian Creek; west side of Road 19N53 0.4 road-km south of Road 20N13. 920 Comment
  CHSC97039  Erythranthe bicolor B. Castro; Plumas NF/Feather River RD botanists 2005-6-6 1482 Yuba 3.0 km ENE of Challenge and 3.1 km NW of New Bullard's Bar Res., along USFS Rd 19N03 (from Woodleaf) overlooking Indian Creek. 838 Comment
  CHSC110465  Erythranthe guttata L. P. Janeway 2013-7-24 11188 Yuba Northern High Sierra Nevada. Plumas National Forest; meadow near headwaters of a northeastern tributary to Hampshire Creek, 1.8 km north of North Yuba River and 1.0 km east-northeast of Hampshire Creek Meadow. 1102 Comment
  CHSC84402  Erythranthe guttata Lowell Ahart 2003-7-23 10436 Butte On cliffs and along a road ditch, at the generator, Forbestown Reservoir, about 4 1/2 miles (air) northeast of Forbestown. 554 Comment
  CHSC32627  Erythronium multiscapideum M. S. Taylor; L. Hanson 1981-4-2 3471 Butte Se side of Forbestown Reservoir, s of rd 20N29, ca. 3 air mi n of Woodleaf. 548 Comment
  CHSC39632  Erythronium multiscapideum Lowell Ahart 1983-4-14 3934 Butte 3/8 mile south-west of Forbestown Res., about 4 miles north-east of Forbestown. On the east side of Woodleaf Creek. 450 Comment
  CHSC87346  Erythronium multiscapideum Lowell Ahart 2004-4-27 10769 Yuba About 20 yards north of a drainage, about 50 yards east of the road, about 1/2 mile (air) southeast of Woodleaf. 931 Comment
  JEPS106273  Erythronium multiscapideum Lowell Ahart 2004-4-27 10769 Yuba About 20 yards north of a drainage, about 50 yards east of the road, about 1/2 mile (air) southeast of Woodleaf 931 Comment
  CHSC117627  Eurybia integrifolia Lowell Ahart 2016-8-30 21321 Plumas On the east side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  JEPS127122  Eurybia integrifolia Lowell Ahart 2016-8-30 21321 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  JEPS95033  Eurybia radulina Lowell Ahart 1997-8-7 7829 Yuba about 3 air mi e of Challenge (on n side of the dirt road, in a clear cut, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  CAS-BOT-BC278283  Festuca californica Lowell Ahart 1979-6-25 s.n. Yuba 2 mi e of Challenge 700 Comment
  CHSC100769  Festuca californica var. californica L. P. Janeway 2008-5-11 9356 Yuba Northern High Sierra Nevada. About 0.8 km north-northeast of Challenge; Golden Gate Ravine side of the ridge between that and Jordan Creek; west side of Road 19N04 1.1 km north-northwest of Challenge-La Porte Road. Near head of dry northwest-sloping swale. 994 Comment
  CHSC54353  Festuca subuliflora Lowell Ahart 1991-6-19 6660 Butte On a bank of a road, along the south side of the dirt road that goes to the Forbestown Reservoir, about 1 1/2 miles south-west of Forbestown Reservoir. 609 Comment
  UC1586629  Festuca subuliflora Lowell Ahart 1991-6-19 6660 Butte about 1.5 mi sw Forbestown Reservoir (along the s side of the dirt road that goes to the Forbestown Reservoir) 609 Comment
  CHSC33580  Fragaria vesca M. S. Taylor 1981-4-22 3554 Yuba E side of Empire Rd, ca. 0.5 mi s of its jct with Laporte Rd, ca. 1 mi sw of Woodleaf. 975 Comment
  CHSC48843  Fragaria vesca Vernon Oswald 1987-6-2 2950 Butte Forbestown Reservoir Rd. where it crosses the first drainage w of Woodleaf and Oroleve Creeks. On the edge of a stream. 792 Comment
  CHSC110466  Frangula purshiana subsp. annonifolia L. P. Janeway 2013-7-24 11190 Yuba Northern High Sierra Nevada. Plumas National Forest; meadow near headwaters of a northeastern tributary to Hampshire Creek, 1.8 km north of North Yuba River and 1.0 km east-northeast of Hampshire Creek Meadow. 1102 Comment
  CHSC107295  Frangula rubra subsp. obtusissima L. P. Janeway 2011-8-10 10638 Yuba Northern High Sierra Nevada. Plumas National Forest; serpentine slope on southeast side of Road 19N04 1.3 km north of Challenge-La Porte Road; 2.2 air km northeast of Challenge. 1023 Comment
  HSC100759  Frangula rubra subsp. obtusissima L. P. Janeway 2011-8-10 10638 Yuba Plumas National Forest, SE side of Rd. 19N04, 1.3 km N of Challenge-La Porte Rd., 2.2 air km NE of Challenge. 1023 Comment
  CHSC107277  Frangula rubra subsp. rubra L. P. Janeway 2011-8-10 10639 Yuba Northern High Sierra Nevada. Plumas National Forest; serpentine slope on southeast side of Road 19N04 1.3 km north of Challenge-La Porte Road; 2.2 air km northeast of Challenge. 1023 Comment
  HSC100760  Frangula rubra subsp. rubra L. P. Janeway 2011-8-10 10639 Yuba Plumas National Forest, SE side of Rd. 19N04, 1.3 km N of Challenge-La Porte Rd.; 2.2 air km NE of Challenge. 312 Comment
  GH384920  Frasera albicaulis var. nitida L. S. Rose 1939-6-6 39228 Unknown Woodleaf 944 Comment
  CAS-BOT-BC130314  Fritillaria eastwoodiae L. C. Hanson 1987-4-15 s.n. Butte Forbestown Site, on road from Forbestown to Woodleaf Comment
  CHSC100728  Fritillaria eastwoodiae L. P. Janeway 2008-5-11 9359 Yuba Northern High Sierra Nevada. About 0.8 km north-northeast of Challenge; Golden Gate Ravine side of the ridge between that and Jordan Creek; west side of Road 19N04 1.1 km north-northwet of Challenge-La Porte Road. 1012 Comment
  CHSC115206  Fritillaria eastwoodiae Lowell Ahart 2015-4-30 20127 Yuba On the south side of the gravel road, about 10 yards east of the gate, about 3/4 mile (air) southeast of Woodleaf. 948 Comment
  CHSC39597  Fritillaria eastwoodiae Lowell Ahart 1983-4-14 3933 Butte On the east side of Woodleaf Creek, above the road, about 3/8 mile south-west of the Forbestown Reservoir., about 4 miles north-east of Forbestown. 450 Comment
  CHSC88649  Fritillaria eastwoodiae Linnea Hanson 1987-4-15 296 Butte Plumas National Forest. On Woodleaf Road. 853 Comment
  CHSC100725  Fritillaria recurva L. P. Janeway 2008-5-11 9361 Yuba Northern High Sierra Nevada. In the northwestern head of Slapjack Creek; along Road 19N34, 1.3 road km southeast of Challenge-La Porte Road; about 1.2 km south-southeast of Woodleaf. 940 Comment
  CHSC97200  Galium mollugo Lowell Ahart 2007-8-7 14426 Yuba Small open flat, about 200 yards south of Hampshire Creek Meadow, about 30 yards est of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113578  Galium mollugo Lowell Ahart 2007-8-7 14426 Yuba Small open flat, about 200 yards south of Hampshire Creek Meadow, about 30 yards est of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  UC1562420  Galium parisiense Lowell Ahart 1990-6-16 6512 Butte se side of dirt road near Forbestown Generator (se side of Forbestown Reservoir) 487 Comment
  CHSC97458  Galium sparsiflorum subsp. glabrius Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-9-18 14499 Yuba Open meadow, about 20 yards east of the dirt road, Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills. 1015 Comment
  JEPS115066  Galium sparsiflorum subsp. glabrius Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14499 Yuba Open meadow, about 20 yards east of the dirt road, Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills 1015 Comment
  RSA726440  Galium sparsiflorum subsp. glabrius L. Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14499 Yuba About 1 mile (air) east of Clipper Mills. 1016 Comment
  CHSC69413  Gamochaeta argyrinea Lowell Ahart 1997-8-30 7880 Yuba On the west side of the dirt road, near a road culvert, about one mile (air) south of Woodleaf. 944 Comment
  JEPS94447  Gamochaeta ustulata Lowell Ahart 1997-8-30 7880 Yuba about 1 air mi s of Woodleaf (on the w side of the dirt road, near a road culvert) 944 Comment
  CAS-BOT-BC282600  Gastridium phleoides Lowell Ahart 1985-6-17 s.n. Butte Near teh dirt road on Fields Ridge, about 4 miles south-east of Feather Falls 792 Comment
  CHSC40454  Gastridium phleoides Lowell Ahart 1985-6-17 5050 Butte Near the dirt road on Fields Ridge, about 4 miles south-east of Feather Falls. 792 Comment
  CHSC97119  Gaultheria ovatifolia Lowell Ahart 2007-8-7 14425 Yuba South of Hampshire Creek Meadow, graded edges of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113574  Gaultheria ovatifolia Lowell Ahart 2007-8-7 14425 Yuba South of Hampshire Creek Meadow, graded edges of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  CHSC117626  Gayophytum diffusum subsp. diffusum Lowell Ahart 2016-8-30 21326 Plumas On the west side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  JEPS127121  Gayophytum diffusum subsp. diffusum Lowell Ahart 2016-8-30 21326 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  CHSC46391  Gilia capitata subsp. mediomontana Lowell Ahart 1989-5-29 6312 Butte Along the road to the Forbestown Reservoir, about 1/2 mile south-west of the Forbestown Reservoir, about 4 miles north-east of Forbestown. 548 Comment
  CHSC69459  Goodyera oblongifolia Lowell Ahart 1997-8-7 7831 Yuba ON the east side of the dirt road, on the east side of the bridge across Indian Creek, about 3 miles (air) east of Challenge. 762 Comment
  JEPS94516  Goodyera oblongifolia Lowell Ahart 1997-8-7 7831 Yuba About 3 air mi e of Challenge (on e side of the dirt road, on the e side of the bridge across Indian Creek); bridge across Indian Creek. 762 Comment
  CDA13734  Grindelia hirsutula var. davyi G. F. Hrusa, T. D. Wilfred 1997-6-27 13915 Butte Sierra Nevada; Feather Falls/Cascade Rd. Comment
  CHSC110462  Hastingsia alba L. P. Janeway 2013-7-24 11187 Yuba Northern High Sierra Nevada. Plumas National Forest; meadow near headwaters of a northeastern tributary to Hampshire Creek, 1.8 km north of North Yuba River and 1.0 km east-northeast of Hampshire Creek Meadow. 1102 Comment
  CHSC50661  Herniaria hirsuta subsp. hirsuta Lowell Ahart 1990-6-16 6507 Butte Along the edge of the dirt road, just south of the Forbestown Generator, on the south side of the Forbestown Reservoir. 487 Comment
  CHSC107429  Hesperolinon micranthum L. P. Janeway 2011-8-10 10642 Yuba Northern High Sierra Nevada. Plumas National Forest; serpentine slope on southeast side of Road 19N04 1.3 km north of Challenge-La Porte road; 2.2 air km northeast of Challenge. 1023 Comment
  CDA25401  Heuchera micrantha D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .268 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  UC1562363  Hieracium argutum Lowell Ahart 1990-7-19 6572 Butte about 5 mi ne Forbestown (on steep road cut at s side of road); Forbestown Reservoir (Dam) 457 Comment
  UC1562392  Hieracium argutum Lowell Ahart 1990-7-19 6572 Butte about 5 mi ne Forbestown (on steep road cut at s side of road); Forbestown Reservoir (Dam) 457 Comment
  CHSC41924  Hieracium scouleri var. scouleri Lowell Ahart 1983-7-24 4210 Butte Forbestown Res., about 5 miles north-east of Forbestown. 450 Comment
  CHSC50820  Hieracium scouleri var. scouleri Lowell Ahart 1990-7-19 6572 Butte On the south side of the road, at the Forbestown Reservoir (dam), about 5 miles north-east of Forbestown. 457 Comment
  CHSC40439  Hirschfeldia incana Lowell Ahart 1985-7-24 5157 Butte At the Generator, at the Forbestown Res., about 4 1/2 miles north-east of Forbestown. 350 Comment
  CAS-BOT-BC149861  Holodiscus discolor Lowell Ahart 1985-6-16 5044 Butte About 1/4 mile south-west of the Forbestown Res., about 4 miles north-east of Forbestown 487 Comment
  CHSC40330  Holodiscus discolor Lowell Ahart 1985-6-16 5044 Butte About 1/4 mile south-west of the Forbestown Res., about 4 miles north-east of Forbestown. 487 Comment
  UC1586397  Horkelia fusca subsp. parviflora Lowell Ahart 1991-7-22 6693 Sierra ca 1/4 mi s Menness Pass Rd (French Meadow, ca 3 mi nw of Wbber Lake) 2133 Comment
  CHSC117653  Horkelia fusca var. parviflora Lowell Ahart 2016-8-30 21325 Plumas On the west side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  JEPS127117  Horkelia fusca var. parviflora Lowell Ahart 2016-8-30 21325 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  CAS-BOT-BC144066  Horkelia parryi Gladys L. Smith 1976-6-7 4617 Yuba About 15 miles southwest of La Porte 1524 Comment
  CAS-BOT-BC143358  Horkelia tridentata Lowell Ahart 1982-5-8 3413 Butte About 1/2 mile south-west of the Forbestown Res., about 4 1/2 miles north-east of Forbestown 800 Comment
  CHSC36519  Horkelia tridentata L. Ahart 1982-5-8 3413 Butte On slope above the road, ca. 1/2 mi sw of the Forbestown Reservoir, ca. 4.5 mi ne of Forbestown. 800 Comment
  CHSC69151  Horkelia tridentata subsp. tridentata Lowell Ahart 1997-8-7 7833 Yuba On the north side of the dirt road, northwest of the bridge across Indian Creek, about 3 miles (air) east of Challenge. 762 Comment
  CHSC115286  Horkelia tridentata var. tridentata Lowell Ahart 2015-4-30 20126 Yuba Open forest, on the north side of the gravel road, about 30 yards east of the gate, about 3/4 mile (air) southeast of Woodleaf. 948 Comment
  JEPS123872  Horkelia tridentata var. tridentata Lowell Ahart 2015-4-30 20126 Yuba About 3/4 mile (air) southeast of Woodleaf. Comment
  CHSC33906  Hosackia stipularis var. ottleyi M. S. Taylor 1981-5-7 3647 Butte S side of Fields Ridge Rd (20N24), 4.7 mi s of its jct with Lumpkin Ridge Road (20n24), 4.7 mi s of its jct with Lumpkin Rd, ca. 2 air mi se of Feather Falls. 1036 Comment
  CHSC97121  Hypericum anagalloides Lowell Ahart 2007-8-7 14407 Yuba Hampshire Creek Meadow, about 30 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113686  Hypericum anagalloides Lowell Ahart 2007-8-7 14407 Yuba Hampshire Creek Meadow, about 30 yards east of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  CHSC112962  Hypericum concinnum L. P. Janeway 2014-7-2 11434 Yuba Northern High Sierra Nevada. Plumas National Forest; Peterson Ridge Road rounding the southeast-trending ridge between Indian Creek and the un-named creek south of that; 2.4 air-km east of Pike County Peak. 820 Comment
  CHSC117632  Hypericum perforatum subsp. perforatum Lowell Ahart 2016-8-30 21332 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  JEPS127139  Hypericum perforatum subsp. perforatum Lowell Ahart 2016-8-30 21332 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  CHSC96978  Hypochaeris radicata Lowell Ahart 2007-8-7 14411 Yuba Hampshire Creek Meadow, about 30 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113576  Hypochaeris radicata Lowell Ahart 2007-8-7 14411 Yuba Hampshire Creek Meadow, about 30 yards east of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  CHSC117650  Isoetes howellii Lowell Ahart 2016-8-30 21320 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  JEPS127220  Isoetes howellii Lowell Ahart 2016-8-30 21320 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  CDA42450  Isoetes nuttallii L. Ahart 2004-4-27 10750 Yuba Along a very small drainage, about 100 yards northwest of where the drainage crosses the road, about 1/2 mile (air) southeast of Woodleaf. Comment
  CHSC87339  Isoetes nuttallii Lowell Ahart 2004-4-27 10750 Yuba Along a very small drainage, about 100 yards northwest of where the drainage crosses the road, about 1/2 mile (air) southeast of Woodleaf. 950 Comment
  HSC96960  Isoetes nuttallii L. Ahart 2004-4-27 10750 Yuba 100 yards NW of where drainage crosses the rd., about 0.5 mi. SE of Woodleaf 951 Comment
  JEPS106166  Isoetes nuttallii Lowell Ahart 2004-4-27 10750 Yuba Along a very small drainage, about 100 yards northwest of where the drainage crosses the road, about 1/2 mile (air) southeast of Woodleaf 950 Comment
  CHSC96986  Juncus acuminatus Lowell Ahart 2007-8-7 14412 Yuba Hampshire Creek Meadow, about 5 yards west of the dirt road, about 1 mile (air) east of Clipper Mills. On the east side of a small pond, on the west side of the dirt road. 1021 Comment
  CHSC96873  Juncus covillei Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-7-13 14294 Yuba On the south side of Hampshire Creek, just east of the cement dam on Hampshire Creek, east of a large wet meadow, about 100 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  HSC98444  Juncus covillei L. Ahart, L. P. Janeway, L. Hanson 2007-7-13 14294 Yuba S side of Hampshire Creek, E of dam, 100 yds. E of Forest Rd., 1 mi. E of Clipper Mills 1021 Comment
  JEPS113712  Juncus covillei Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14294 Yuba On the south side of Hampshire Creek, just east of the cement dam on Hampshire Creek, east of a large wet meadow, about 100 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills 1021 Comment
  CHSC100329  Juncus cyperoides Lowell Ahart 2008-7-9 15049 Yuba In a small meadow, about 50 yards northwest of the dirt road (road now destroyed), north part of the Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills. 1015 Comment
  CHSC105965  Juncus cyperoides Lowell Ahart 2010-9-9 17141 Yuba In a small meadow, about 50 yards east of the dirt road (road now destroyed), east part of Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills. 1015 Comment
  CHSC83440  Juncus cyperoides Virginia Dains 1996-7-30 Yuba East of forest road 20N25 in a man-made meadow/marsh. One location along the easternmost channel of Hampshire Creek. 1021 Comment
  CHSC97199  Juncus cyperoides Lowell Ahart 2007-8-7 14420 Yuba Along a small stream, about 100 yards northwest of the dirt road, north part of Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills. 1021 Comment
  CHSC97457  Juncus cyperoides Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-9-18 14496 Yuba Along a small stream, about 100 yards northwest of the dirt road, north part of Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills. 1015 Comment
  CHSC97460  Juncus cyperoides Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-9-18 14498 Yuba In a small meadow, about 50 yards northwest of the dirt road, north part of Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills. 1015 Comment
  JEPS113876  Juncus cyperoides Lowell Ahart 2007-8-7 14420 Yuba Along a small stream, about 100 yards northwest of the dirt road, north part of Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills 1021 Comment
  JEPS114914  Juncus cyperoides Lowell Ahart 2008-7-9 15049 Yuba In a small meadow, about 50 yards northwest of the dirt road (road now destroyed), north part of the Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills 1015 Comment
  JEPS115042  Juncus cyperoides Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14498 Yuba In a small meadow, about 50 yards northwest of the dirt road, north part of Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills 1015 Comment
  JEPS115058  Juncus cyperoides Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14496 Yuba Along a small stream, about 100 yards northwest of the dirt road, north part of Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills 1015 Comment
  RSA794388  Juncus cyperoides P. F. Zika, Barbara L. Wilson, L. Ahart, L. P. Janeway 2011-8-5 25717 Yuba Southwest edge of Hampshire Meadow, 1 air mile east of Clipper Mills, northern Sierra Nevada Highlands. 1025 Comment
  SEINET6329237  Juncus cyperoides B. L. Wilson, L. Ahart, L. Janeway, P. F. Zika 2011-8-5 16772 Yuba Plumas National Forest, Sacramento Box Road, a closed road giving access to Hampshire Meadow, at the point where the stream cuts the road 1034 Comment
  UCR259341  Juncus cyperoides Glenn L. Clifton 2001-8-20 37290 Yuba Hampshire Creek 1027 Comment
  CHSC96874  Juncus dubius Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-7-13 14302 Yuba About 30 yards east of a poor dirt road, about 1 1/2 miles (air) northeast of Clipper Mills. 1045 Comment
  CHSC97076  Juncus dubius Lowell Ahart 2007-8-7 14423 Yuba In shallow water, open meadow, on the southeast part of Hampshire Creek Meadow, about 50 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113840  Juncus dubius Lowell Ahart 2007-8-7 14423 Yuba In shallow water, open meadow, on the southeast part of Hampshire Creek Meadow, about 50 yards east of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  JEPS113873  Juncus dubius Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14302 Yuba About 30 yards east of a poor dirt road, about 1 1/2 miles (air) northeast of Clipper Mills 1045 Comment
  CHSC96879  Juncus effusus subsp. pacificus Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-7-13 14300 Yuba About 30 yards east of a poor dirt road, about 1 1/2 miles (air) northeast of Clipper Mills. 1045 Comment
  CHSC96966  Juncus effusus subsp. pacificus Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-7-13 14301 Yuba About 30 yards east of a poor dirt road, about 1 1/2 miles (air) northeast of Clipper Mills. 1045 Comment
  CHSC96980  Juncus effusus subsp. pacificus Lowell Ahart 2007-8-7 14406 Yuba Hampshire Creek Meadow, about 80 yards west of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113769  Juncus effusus subsp. pacificus Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14301 Yuba About 30 yards east of a poor dirt road, about 1 1/2 miles (air) northeast of Clipper Mills 1045 Comment
  JEPS113831  Juncus effusus subsp. pacificus Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14300 Yuba About 30 yards east of a poor dirt road, about 1 1/2 miles (air) northeast of Clipper Mills 1045 Comment
  JEPS113846  Juncus effusus subsp. pacificus Lowell Ahart 2007-8-7 14406 Yuba Hampshire Creek Meadow, about 80 yards west of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  RSA726658  Juncus effusus subsp. pacificus L. Ahart, L. P. Janeway, Linnea Hanson 2007-7-13 14301 Butte About 30 yards east of a poor dirt road, about 1 1/2 milea (air) northeast of Clipper Mills. 1046 Comment
  RSA726659  Juncus effusus subsp. pacificus L. Ahart, L. P. Janeway, Linnea Hanson 2007-7-13 14300 Butte About 30 yards east of a poor dirt road, about 1 1/2 milea (air) northeast of Clipper Mills. 1046 Comment
  RSA730000  Juncus effusus subsp. pacificus L. Ahart, L. P. Janeway, Linnea Hanson 2007-7-13 14000 Butte About 30 yards east of a poor dirt road, about 1 1/2 milea (air) northeast of Clipper Mills. 1046 Comment
Read comments Mar 20 2009
  CHSC69458  Juncus ensifolius Lowell Ahart 1997-8-30 7878 Yuba On the west side of the dirt road, near a road culvert, about one mile (air) south of Woodleaf. 944 Comment
  JEPS94353  Juncus ensifolius Lowell Ahart 1997-8-30 7878 Yuba about 1 air mi s of Woodleaf (on w side of the dirt road, near a road culvert) 944 Comment
  CHSC97111  Juncus laccatus Lowell Ahart 2007-8-7 14414 Yuba On the east side of a small pond, on the west side of the dirt road, Hampshire Creek Meadow, about 5 yards west of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113845  Juncus laccatus Lowell Ahart 2007-8-7 14414 Yuba On the east side of a small pond, on the west side of the dirt road, Hampshire Creek Meadow, about 5 yards west of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  RSA727523  Juncus laccatus L. Ahart 2007-8-7 14414 Yuba About 1 mile (air) east of Clipper Mills. 1021 Comment
  CHSC40352  Juncus tenuis Lowell Ahart 1985-7-24 5154 Butte Below the high water line of the Forbestown Res., about 50 yards south of the Generator, about 4 1/2 miles northeast of Forbestown. 350 Comment
  CHSC96982  Juncus tenuis Lowell Ahart 2007-8-7 14428 Yuba South of Hampshire Creek Meadow, graded edges of the dirt road, about 1 mile (air) east of Clipper Mills. On the east side of a small pond, on the west side of the dirt road. 1021 Comment
  JEPS113858  Juncus tenuis Lowell Ahart 2007-8-7 14428 Yuba South of Hampshire Creek Meadow, graded edges of the dirt road, about 1 mile (air) east of Clipper Mills. On the east side of a small pond, on the west side of the dirt road 1021 Comment
  RSA727522  Juncus tenuis L. Ahart 2007-8-7 14428 Yuba About 1 mile (air) east of Clipper Mills. 1021 Comment
  CHSC47579  Juncus xiphioides Lowell Ahart 1979-6-25 1954 Yuba Along the gutter of Peterson Ridge Road, about 2 miles east of Challenge. 640 Comment
  CHSC39977  Keckiella lemmonii L. Ahart; P. Ahart 1983-7-24 4209 Butte At the Forbestown Reservoir, ca. 5 mi ne of Forbestown. 450 Comment
  NY790335  Keckiella lemmonii L. Ahart 1983-7-24 4209 Butte On the road cutbanks at the Forbestown Res., about 5 miles northeast of Forbestown. 450 Comment
  CHSC50687  Kickxia elatine Lowell Ahart 1990-6-16 6513 Butte Near the Forbestown Generator, on the south-east side of the Forbestown Reservoir. 487 Comment
  UC1562422  Kickxia elatine Lowell Ahart 1990-6-16 6513 Butte se side Forbestown Reservoir (near the Forbestown Generator, along se side of dirt road) 487 Comment
  CHSC113600  Lactuca saligna Lowell Ahart 2014-8-24 19731 Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 611 Comment
  JEPS122294  Lactuca saligna Lowell Ahart 2014-8-24 19731 Butte On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  CHSC749  Lamium amplexicaule R. Carter 1964-3-17 48 Butte 7 mi E of Oroville, 250 yds. up Wakefield Dr. off Feathervale on S side rd. 121 Comment
  UCD106457  Lathyrus sulphureus W. R. Powell 1967-6-13 1457 Yuba 1 1/2 miles northeast of Challenge. Comment
  SEINET11262519  Leontodon saxatilis Robert L. Johnson, Mikel R. Stevens 2015-7-12 3969 Trinity Sierra Nevadas. 2.9 rd mi E of junction with Challenge Cuttoff Rd on La Porte Rd, Sharon Valley. At junction of La Porte Rd and Milk Ranch Rd (dirt rd).; 0 973 Comment
  CHSC2379  Leptosiphon ciliatus R. Carter 1965-4-12 179 Butte Found ca. 7.5 mi. E of Oroville at 6120 W.S.R., 30 yds. due E of garage growing along foot path. 274 Comment
  JEPS125980  Lilium humboldtii subsp. humboldtii D. W. Taylor 2001-6-18 17784 Yuba Near Woodleaf, along the LaPorte road from the Butte County line to about 1 mile SW, scattered growing along road shoulder for a distance of 1/2 mile. Comment
  RSA130321  Lilium humboldtii subsp. humboldtii Albert M. Vollmer 1949-7-6 s.n. Yuba 1 mile from Challenge on Chllenge-Camptonville Road Comment
  RSA130323  Lilium humboldtii subsp. humboldtii Albert M. Vollmer 1949-7-6 s.n. Yuba 1 mile from Challenge on Chllenge-Camptonville Road Comment
  CHSC36523  Lithophragma campanulatum L. Ahart 1982-5-8 3421 Butte Near the edge of the road at Forbestown Reservoir. 700 Comment
  CHSC41218  Lithophragma campanulatum J. D. Jokerst 1984-4-23 1985 Yuba Ca. 1/4 mile N of the North Fork of the Yuba River at Wambo Bar. Comment
  CAS-BOT-BC325967  Lithospermum californicum Lowell Ahart 1980-6-19 2410 Yuba 4 miles E of Challenge. 900 Comment
  CAS-BOT-BC325968  Lithospermum californicum Lowell Ahart 1979-6-25 s.n. Yuba 2 miles E of Challenge. 700 Comment
  CHSC46758  Lithospermum californicum Lowell Ahart 1980-6-19 2410 Yuba Along the edge of the dirt road, about 4 miles east of Challenge. 822 Comment
  CHSC2406  Lonicera interrupta R. Carter 1964-5-27 105 Butte 8 mi. E of Oroville, 200 yds. up Wakefield Dr. off Feathervale on N side of road. 121 Comment
  CHSC50660  Lonicera interrupta Lowell Ahart 1990-6-16 6510 Butte On the north side of the dirt road, south-west of the Forbestown Generator, on the south side of the Forbestown Reservoir. 487 Comment
  UC1562404  Lonicera interrupta Lowell Ahart 1990-6-16 6510 Butte sw Forbestown Generator (n side of the dirt road, se side of reservoir); Forbestown Reservoir 487 Comment
  SEINET194894  Lupinus acutilobus A. A. Heller 1938-4-23 15050 Butte Between the Las Plumas road and the summit on Highway 24, 20 miles east of Oroville. 762 Comment
  CHSC41210  Lupinus latifolius J. D. Jokerst 1984-4-23 1981 Yuba Slopes ca 1/4 mile N of the North Fork Yuba River at Wambo Bar. Comment
  UC865432  Lupinus lepidus var. sellulus Lewis S. Rose 1939-6-6 39227 Yuba Woodleaf 944 Comment
  UC1586497  Luzula comosa var. laxa Lowell Ahart 1991-7-22 6687 Sierra In French Meadow, near a small branch of Pass Creek, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake 2133 Comment
  CHSC118444  Luzula macrantha L. P. Janeway 2016-5-11 11961 Yuba Northern High Sierra Nevada. Plumas National Forest; near head of eastern tributary of Indian Creek; west side of Road 19N53 0.4 road-km south of Road 29N13. 920 Comment
  CHSC36524  Luzula macrantha L. Ahart 1982-5-8 3411 Butte On the north slope above the dirt road, ca. 1/2 mi sw of the Forbestown Reservoir, ca. 4.5 mi ne of Forbestown. 800 Comment
  CHSC67312  Luzula macrantha James D. Jokerst; R. A. Schlising, L. Ahart 1982-5-8 1563 Butte Ca. 2.5 air miles E of Forbestown along road to Forbestown Reservoir, on a steep slope just S of an unnamed creek. Comment
  CDA8238  Madia exigua D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .271 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  CAS-BOT-BC347384  Malacothrix floccifera Lowell Ahart 1985-6-17 5051 Butte Along the dirt road on Fields Ridge, about 4 miles south-east of Feather Falls 792 Comment
  CHSC40483  Malacothrix floccifera Lowell Ahart 1985-6-17 5051 Butte Along the dirt road on Fields Ridge, about 4 miles south-east of Feather Falls. 792 Comment
  CHSC100767  Melica californica L. P. Janeway 2008-5-11 9363 Yuba Northern High Sierra Nevada. In the northwestern head of Slapjack Creek; along road 19N34, 1.3 road km woutheast of Challenge-La Porte Road; about 1.2 km south-southeast of Woodleaf. 940 Comment
  CAS-BOT-BC281300  Melica harfordii Lowell Ahart 1983-7-24 4216 Butte On the road cutbank at the Forbestown Res., ca 5 miles NE of Forbestown 450 Comment
  CHSC41907  Melica harfordii Lowell Ahart 1983-7-24 4216 Butte On the road cutbank at the Forbestown Res., about 5 miles north-east of Forbestown. 450 Comment
  SEINET195005  Mentzelia laevicaulis A. A. Heller 1937-8-25 16171 Plumas Along the Feather River near Bucks Creek Power House. Comment
  UC726357  Mentzelia laevicaulis var. laevicaulis A. A. Heller 1937-8-25 16171 Plumas near Bucks Creek Power House (along The Feather River) Comment
  UC1586480  Mimulus breweri Lowell Ahart 1991-7-22 6679 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  CHSC117634  Monardella odoratissima subsp. pallida Lowell Ahart 2016-8-30 21327 Plumas On the west side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  JEPS127125  Monardella odoratissima subsp. pallida Lowell Ahart 2016-8-30 21327 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  UCR280843  Monardella odoratissima subsp. pallida Lowell Ahart 2016-8-30 21327 Plumas C. 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, c. 1.5 air miles southeast of Pilot Peak 2045 Comment
  CHSC112958  Monardella sheltonii L. P. Janeway 2014-7-2 11438 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.6 air-km east of Challenge, along Road 19N03 1.3 road mi north of its crossing of Indian Creek, on slopes just east of the creek. 834 Comment
  RSA0118764  Monardella sheltonii Lawrence P. Janeway 2014-7-2 11438 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.6 air-km east of Challenge, along Road 19N03 1.3 road mi north of its crossing of Indian Creek, on slopes just east of the creek. 834 Comment
  JEPS100227  Monardella villosa subsp. villosa Dean W. Taylor 2002-7-3 18218 Butte Fields Ridge, northerly rim South Fork Feather River canyon (ca. 3 air miles SE of Feather Falls mill site, ca. 19 miles E of Oroville) 1005 Comment
  UC1586481  Navarretia capillaris Lowell Ahart 1991-7-22 6676 Sierra about 1/4 mi s Henness Pass Road (along a small stream in French Meadow, about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  CHSC107430  Navarretia filicaulis L. P. Janeway 2011-8-10 10641 Yuba Northern High Sierra Nevada. Plumas National Forest; serpentine slope on southeast side of Road 19N04 1.3 km north of Challenge-La Porte road; 2.2 air km northeast of Challenge. 1023 Comment
  CHSC43705  Navarretia filicaulis Vernon Oswald 1985-6-26 1866 Butte Forbestown Reservoir Rd. 2.5 mi ne of Forbestown Rd. On the edge of a dirt road. 792 Comment
  JEPS100229  Navarretia filicaulis Dean W. Taylor 2002-7-3 18217 Butte Fields Ridge, northerly rim South Fork Feather River canyon (ca. 3 air miles SE of Feather Falls mill site, ca. 19 miles E of Oroville) 1005 Comment
  CHSC117630  Navarretia intertexta subsp. intertexta Lowell Ahart 2016-8-30 21331 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CDA1156  Nemophila heterophylla D. G. Kelch, A. R. Smith, Andrew Murdock, Ruth Kirkpatrick 2006-6-2 6 .274 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  UCD110203  Notholithocarpus densiflorus B. F. Smith 1965-10-18 60 Butte 3/4 mile east-northeast of Woodleaf. 1021 Comment
  HSC96893  Orobanche uniflora L. Ahart 2004-4-27 10765 Yuba About 20 yrds. W of a drainage, about 40 yrds. S of the road, about 1/2 mi. (air) SE of Woodleaf 932 Comment
  JEPS106275  Orobanche uniflora var. uniflora Lowell Ahart 2004-4-27 10765 Yuba About 20 yards west of a drainage, about 40 yards south of the road, about 1/2 mile (air) southeast of Woodleaf 931 Comment
  CAS-BOT-BC316983  Packera layneae Lowell Ahart 1980-6-19 2409 Yuba 4 miles east of Challenge 900 Comment
  CHSC44564  Panicum acuminatum Lowell Ahart 1979-6-25 1949 Yuba North of the road, about 2 miles east of Challenge. 640 Comment
  CAS-BOT-BC202813  Paxistima myrsinites L. P. Janeway; Jean Witzman; Robin Fallsheer 1992-4-15 4152 Yuba Southwest side of Slapjack Creek, 1 mi southeast of Woodleaf 899 Comment
  CAS-BOT-BC202818  Paxistima myrsinites Lowell Ahart 1983-3-28 3909 Butte On the east bank of Woodleaf Creek, above the road, about 3/8 mile south-west of the Forbestown Res., about 4 miles north-east of Forbestown 450 Comment
  CHSC39613  Paxistima myrsinites Lowell Ahart 1983-3-28 3909 Butte Found on the east bank of Woodleaf Creek, above the road, about 3/8 mile southwest of the Forbestown Res., about 4 miles northeast of Forbestown. 450 Comment
  CHSC59309  Paxistima myrsinites L. P. Janeway; Jean Witzman, Robin Fallsheer 1992-4-15 4152 Yuba Southwest side of Slapjack Creek, 1 mi southeast of Woodleaf. On slope near the creek. 899 Comment
  CHSC69137  Paxistima myrsinites Lowell Ahart 1997-8-7 7832 Yuba On the west side of the dirt road, on the south side of Indian Creek, about 3 miles (air) east of Challenge. 762 Comment
  JEPS94627  Paxistima myrsinites Lowell Ahart 1997-8-7 7832 Yuba about 3 air mi e Challenge (on w side of dirt rd., on s side of creek); Indian Creek 762 Comment
  CHSC116525  Pedicularis densiflora Lowell Ahart 2015-4-30 20127 A Yuba On the south side of the gravel road, about 10 yards east of the gate, about 3/4 mile (air) southeast of Woodleaf. 948 Comment
  CAS-BOT-BC67599  Pellaea mucronata Lowell Ahart 1983-3-28 3912 Butte Near the Forbestown Res., in a dry open area above the road and on the east side of Woodleaf Creek, 450 Comment
  CHSC39615  Pellaea mucronata Lowell Ahart 1983-3-28 3912 Butte On the east side of Woodleaf Creek, about 3/8 mile south-west of the Forbestown Res., about 4 miles north-east of Forbestown. 450 Comment
  CHSC32629  Pentagramma triangularis M. S. Taylor; L. Hanson 1981-4-2 3468 Butte Se side of Forbestown Reservoir, s side of rd 20N29, ca. 3 air mi n of Woodleaf. 548 Comment
  CAS-BOT-BC211273  Perideridia bacigalupii Lowell Ahart 1980-8-12 2527 Yuba About 2 miles south-east of Woodleaf 800 Comment
  CHSC107426  Perideridia bacigalupii L. P. Janeway 2011-8-10 10644 Yuba Northern High Sierra Nevada. Plumas National Forest; serpentine slope on southeast side of Road 19N04 1.3 km north of Challenge-La Porte road; 2.2 air km northeast of Challenge. 1023 Comment
  CHSC45876  Perideridia parishii subsp. latifolia Lowell Ahart 1980-8-12 2530 Yuba Near the edge of the dirt road, about 2 miles south-east of Woodleaf. 731 Comment
  UC1586490  Phacelia humilis Lowell Ahart 1991-7-22 6695 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nnw of Webber Lake); French Meadow 2133 Comment
  CHSC96991  Phalaris arundinacea L. P. Janeway; Lowell Ahart, Linnea Hanson 2007-7-13 9117 Yuba Northern High Sierra Nevada. Plumas National Forest; Hampshire Creek meadow, 1.5 air km east of Clipper Mills and 1.8 air km northwest of North Yuba River. Just east of the road crossing the meadow. 1026 Comment
  UC1586504  Phleum alpinum Lowell Ahart 1991-7-22 6693 Sierra about 3 mi nw Webber Lake (about 1/4 mi s of Henness Pass Road); French Meadow 2133 Comment
  CHSC40293  Phleum pratense Lowell Ahart 1985-7-24 5156 Butte Below the high water line of the Forbestown Res., about 50 yards south of the Generator, about 4 1/2 miles north-east of Forbestown. 350 Comment
  SEINET4176107 Image available Phleum pratense Lowell Ahart 1985-7-24 5156 Butte Below the high water line of the Forbestown Reservoir, about 50 yards South of the Generator, 4.5 Miles North-East of Forbestown. 351 Comment
  CHSC45360  Phlox speciosa subsp. occidentalis Vernon Oswald 1985-5-20 1772 Yuba Forbestown Rd. between Forbestown and Woodleaf 2.9 mi e of the Butte Co.-Yuba Co. line. On a road cut. 975 Comment
  CHSC69148  Physocarpus capitatus Lowell Ahart 1997-8-9 7839 Yuba Along a unnamed creek, about two miles (air) southeast of Woodleaf. 701 Comment
  JEPS94450  Physocarpus capitatus Lowell Ahart 1997-8-9 7839 Yuba along an unnamed creek about 2 air mi se of Woodleaf 701 Comment
  CHSC71406  Piperia transversa Lowell Ahart 1998-7-19 8051 Yuba On the north side of the dirt road, about 3/4 mile southeast of Woodleaf. 960 Comment
  CHSC117628  Plagiobothrys hispidulus Lowell Ahart 2016-8-30 21330 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  UC1586494  Plagiobothrys scouleri Lowell Ahart 1991-7-22 6688 Sierra about 3 mi nw Webber Lake (about 0.25 mi s of Henness Pass Road); French Meadow 2133 Comment
  CHSC96976  Platanthera leucostachys Lowell Ahart 2007-8-7 14422 Yuba On the southwest part of Hampshire Creek Meadow, about 80 yards west of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  CAS-BOT-BC244401  Poa annua Lowell Ahart 1983-3-28 3908 Butte About 0.5 mile SW of Forbestown Res., along the road, about 4 miles NE of Forbestown 450 Comment
  CHSC39610  Poa annua Lowell Ahart 1983-3-28 3908 Butte About 1/2 mile south-west of the Forbestown Res., along the road where there is a serpentine slide area, about 4 miles north-east of Forbestown. 450 Comment
  CHSC35987  Poa secunda subsp. secunda J. D. Jokerst; R. A. Schlising, L. Ahart 1982-5-8 1561 Butte Slope adjacent to road to Forbestown Resv. just S of the S. Fork of the Feather River. Comment
  CHSC32101  Polygala cornuta L. Ahart 1974-8-3 583 Butte At Merry Mountain Village. 914 Comment
  CHSC32102  Polygala cornuta L. Ahart 1979-6-25 1950 Yuba Below the rd, ca. 2 mi e of Challenge. 700 Comment
  CAS-BOT-BC170375  Polygala cornuta var. cornuta Lowell Ahart 1979-6-25 s.n. Yuba 2 miles east of Challenge 700 Comment
  CHSC112960  Polygala cornuta var. cornuta L. P. Janeway 2014-7-2 11435 Yuba Northern High Sierra Nevada. Plumas National Forest; Peterson Ridge Road rounding the southeast-trending ridge between Indian Creek and the un-named creek south of that; 2.4 air-km east of Pike County Peak. 820 Comment
  SEINET11263755  Polygala cornuta var. cornuta Robert L. Johnson, Mikel R. Stevens 2015-7-12 3970 Trinity Sierra Nevadas. 2.9 rd mi E of junction with Challenge Cuttoff Rd on La Porte Rd, Sharon Valley. At junction of La Porte Rd and Milk Ranch Rd (dirt rd).; 0 973 Comment
  CHSC113603  Polygonum aviculare subsp. aviculare Lowell Ahart 2014-8-24 19728 Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 611 Comment
  JEPS122293  Polygonum aviculare subsp. aviculare Lowell Ahart 2014-8-24 19728 Butte On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  UC1562374  Polygonum aviculare subsp. neglectum Lowell Ahart 1990-7-1 6532 Butte sw Forbestown Generator (on s side of reservoir); Forbestown Reservoir 487 Comment
  UC1586499  Polygonum bistortoides Lowell Ahart 1991-7-22 6677 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  CHSC117625  Polygonum douglasii Lowell Ahart 2016-8-30 21328 Plumas On the west side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  JEPS127120  Polygonum douglasii Lowell Ahart 2016-8-30 21328 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  UC1586484  Polygonum douglasii subsp. douglasii Lowell Ahart 1991-7-22 6678 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  CAS-BOT-BC71866  Polypodium californicum Lowell Ahart 1983-3-28 3911 Butte Woodleaf Creek, above the road, about 3/8 mile southwest of the Forbestown Res., about 4 miles northeast of Forbestown 450 Comment
  CHSC32628  Polypodium calirhiza M. S. Taylor; L. Hanson 1981-4-2 3469 Butte Se side of Forbestown Reservoir, s side of rd 20N29, ca. 3 air mi n of Woodleaf. 548 Comment
  CHSC39614  Polypodium calirhiza Lowell Ahart 1983-3-28 3911 Butte On the east bank of Woodleaf Creek, above the road, about 3/8 mile south-west of the Forbestown Res., about 4 miles north-east of Forbestown. 450 Comment
  CAS-BOT-BC233032  Polypogon interruptus Lowell Ahart 1979-6-25 s.n. Yuba 2 miles E of Challenge 700 Comment
  CHSC44592  Polypogon interruptus Lowell Ahart 1979-6-25 1951 Yuba Along the gutter of the dirt road, about 2 miles east of Challenge. 640 Comment
  CHSC32626  Polystichum imbricans M. S. Taylor; L. Hanson 1981-4-2 3470 Butte S side of Forbestown Reservoir, s of rd 20N29, ca. 3 air mi n of Woodleaf. 548 Comment
  CHSC39300  Polystichum imbricans Lowell Ahart 1983-7-24 4213 Butte At the Forbestown Res., about 5 miles north-east of Forbestown. 450 Comment
  CHSC113597  Polystichum imbricans subsp. curtum Lowell Ahart 2014-8-24 19723 Butte On the south side of the road, about 150 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 577 Comment
  CHSC113598  Polystichum imbricans subsp. curtum Lowell Ahart 2014-8-24 19724 Butte On the south side of the road, about 150 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 577 Comment
  CHSC116277  Polystichum imbricans subsp. curtum Lowell Ahart 2015-10-23 20582 Butte On the south side of Forbestown Resevoir, about 400 yards southeast of the Forbestown Resevoir Dam, about 4 miles (air) northeast of Forbestown. 564 Comment
  JEPS122332  Polystichum imbricans subsp. curtum Lowell Ahart 2014-8-24 19724 Butte On the south side of the road, about 150 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  JEPS122334  Polystichum imbricans subsp. curtum Lowell Ahart 2014-8-24 19723 Butte On the south side of the road, about 150 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  JEPS124287  Polystichum imbricans subsp. curtum Lowell Ahart 2015-10-23 20582 Butte About 400 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  CAS-BOT-BC72300  Polystichum imbricans subsp. imbricans Lowell Ahart 1983-7-24 4213 Butte on the road cutbank at the Forbestown Res., about 5 miles northeast of Forbestown 450 Comment
  CHSC113580  Polystichum imbricans subsp. imbricans Lowell Ahart 2014-8-24 19722 Butte On the south side of the road, about 150 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 577 Comment
  CHSC116291  Polystichum imbricans subsp. imbricans Lowell Ahart 2015-10-23 20581 Butte On south side of Forbestown Reservoir, about 400 yards southeasst of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 564 Comment
  JEPS122335  Polystichum imbricans subsp. imbricans Lowell Ahart 2014-8-24 19722 Butte On the south side of the road, about 150 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  JEPS124288  Polystichum imbricans subsp. imbricans Lowell Ahart 2015-10-23 20581 Butte About 400 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  CHSC69126  Polystichum munitum Lowell Ahart 1997-8-7 7830 Yuba On the west side of the dirt road, on the south side of Indian Creek, about 3 miles (air) east of Challenge. 762 Comment
  JEPS94912  Polystichum munitum Lowell Ahart 1997-8-7 7830 Yuba about 3 air mi e Challenge (s side of creek, w side of dirt road); Indian Creek 762 Comment
  JEPS95098  Polystichum munitum Lowell Ahart 1997-8-7 7830 Yuba ca. 3 (air) mi. e. Challenge (on w. side of dirt rd. on s. side of Indian Creek) 762 Comment
  CHSC50709  Potamogeton foliosus Lowell Ahart 1990-7-1 6533 Butte In a ditch on the east side of the road, at the Forbestown Generator, on the east side of the Forbestown Reservoir. 487 Comment
  UC1562436  Potamogeton foliosus Lowell Ahart 1990-7-1 6533 Butte on e side of Forbestown Reservoir (on e side of the road, at the Forbestown Generator) 487 Comment
  CHSC96981  Potamogeton natans Lowell Ahart 2007-8-7 14413 Yuba Hampshire Creek Meadow, about 5 yards west of the dirt road, about 1 mile (air) east of Clipper Mills. In shallow water, on the east side of a small pond, on the west side of the dirt road. 1021 Comment
  JEPS113687  Potamogeton natans Lowell Ahart 2007-8-7 14413 Yuba Hampshire Creek Meadow, about 5 yards west of the dirt road, about 1 mile (air) east of Clipper Mills. In shallow water, on the east side of a small pond, on the west side of the dirt road 1021 Comment
  CHSC69412  Pseudognaphalium thermale Lowell Ahart 1997-8-30 7881 Yuba On the west side of the dirt road, near a road culvert, about one mile (air) south of Woodleaf. 944 Comment
  JEPS94448  Pseudognaphalium thermale Lowell Ahart 1997-8-30 7881 Yuba about 1 air mi s of Woodleaf (on the w side of the dirt road, near a road culvert) 944 Comment
  UC1349394  Pseudotsuga menziesii var. menziesii R. A. Cockrell 1941-11-22 8477 Unknown Comment
  UCD135124  Pseudotsuga menziesii var. menziesii Kathleen Keliher 1975-5-6 91 Yuba Ca. 30 meters from La Porte Road on Forbestown Road, 1 mile east of Woodleaf. 929 Comment
  CHSC97461  Pteridium aquilinum var. pubescens Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-9-18 14500 Yuba Under trees, Hampshire Creek Meadow, about 80 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. 1015 Comment
  JEPS115069  Pteridium aquilinum var. pubescens Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14500 Yuba Hampshire Creek Meadow, about 80 yards E of the dirt rosd, about 1 mi (air) E of Clipper Mills 1015 Comment
  SEINET7085243  Pterospora andromedea Steven R. Hill 2010-7-17 38554 Yuba Along La Porte Road, 950 feet northeast of Travis Saddle and the road to Sly Creek Reservoir Dam. 13.6 kilometers north-northwest of Camptonville. Just southwest of Strawberry Valley Sierra Nevada. Coordinate Datum: WGS84/NAD83. 1103 Comment
  CHSC40266  Pyrola aphylla Lowell Ahart 1985-6-17 5052 Butte Along the dirt road on Fields Ridge, about 4 miles south-east of Feather Falls. 792 Comment
  CHSC107279  Quercus durata var. durata L. P. Janeway 2011-8-10 10645 Yuba Northern High Sierra Nevada. Plumas National Forest; serpentine slope on southeast side of Road 19N04 1.3 km north of Challenge-La Porte Road; 2.2 air km northeast of Challenge. 1032 Comment
  CHSC1489  Ranunculus occidentalis R. Carter 1964-3-15 45 Butte 8 mi. E of Oroville, 250 yds. up Wakefield Dr. off Feathervale. 121 Comment
  CHSC100721  Rhamnus crocea L. P. Janeway 2008-5-11 9360 Yuba Northern High Sierra Nevada. In the northwestern head of Slapjack Creek; along Road 19N34, 1.3 road km southeast of Challenge-La Porte Road; about 1.2 km south-southeast of Woodleaf. 940 Comment
  CHSC100772  Rhamnus crocea L. P. Janeway 2008-5-11 9355 Yuba Northern High Sierra Nevada. About 0.8 km north-northeast of Challenge; Golden Gate Ravine side of the ridge between that and Jordan Creek; west side of Road 19N04 1.1 km north-northwest of Challenge-La Porte Road. Near head of dry northwest-sloping swale. 994 Comment
  CHSC33754  Rhamnus crocea M. S. Taylor; L. Hanson 1981-4-15 3538 Yuba S side of rd 19N44, in Golden Gate Ravine, ca. 1.5 mi sw of Woodleaf. 853 Comment
  JEPS117940  Rhamnus ilicifolia L. P. Janeway 2008-5-11 9355 Yuba About 0.8 km north-northereast of Challenge of Challange-La Porte Road (Golden Gate Ravine side of the ridge between that and Jordan Creek; west side of Road 19N04 1.1 km north-northwest); Northern High Sierra Nevada 994 Comment
  RSA754447  Rhamnus ilicifolia L. P. Janeway 2008-5-11 9360 Yuba Northern High Sierra Nevada: In the NW head of Slapjack Creek; along Road 19N34, 1.3 road km SE of Challenge-La Porte Road; about 1.2 km SSE of Woodleaf. 940 Comment
  CHSC43531  Rhododendron occidentale Lowell Ahart 1979-6-25 1956 Yuba Near the dirt road, about 2 miles east of Challenge. 640 Comment
  CHSC83428  Rhynchospora capitellata Virginia Dains 1996-7-30 Yuba South of forest road 20N25 in a meadow. 1097 Comment
  CAS-BOT-BC212673  Ribes nevadense Lowell Ahart 1982-5-8 3420 Butte Forbestown Resevoir 700 Comment
  CHSC35992  Ribes nevadense J. D. Jokerst 1982-5-8 1565 Butte Scattered along road at the W end of Forbestown Resv on the S. Fork Feather River. Comment
  UCD102460  Ribes roezlii Kathleen Keliher 1975-5-6 87 Yuba Along Forbestown Road, 100 feet from La Porte Road, 1 mile east of Woodleaf. 929 Comment
  UC1586495  Rorippa curvisiliqua Lowell Ahart 1991-7-22 6696 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow, nw of Webber Lake 2133 Comment
  CHSC115285  Rosa bridgesii Lowell Ahart 2015-4-30 20124 Yuba Open forest, on the north side of the gravel road, about 30 yards northeast of the gate, about 3/4 mile (air) southeast of Woodleaf. 948 Comment
  CHSC118508  Rosa bridgesii L. P. Janeway 2016-5-11 11962 Yuba Northern High Sierra Nevada. Plumas National Forest; near head of eastern tributary of Indian Creek; west side of Road 19N53 0.4 road-km south of Road 29N13. 920 Comment
  CHSC87348  Rosa bridgesii Lowell Ahart 2004-4-27 10762 Yuba Near a large wide trail, very start of a small drainage, drainage crosses a water ditch and continues on and crossed the road, about 350 yards northwest of the road, serpentine area, about 40 yards southwest of the marker for sections 9, 10, 16, and 15, about 1/2 mile (air) southeast of Woodleaf. 1012 Comment
  JEPS105833  Rosa bridgesii Lowell Ahart 2004-4-27 10762 Yuba Near large wide trail, start of small drainage, drainage crosses water ditch and continues on and crossed road, ca. 350 yd NW of the road, serpentine area, ca. 40 yd SW of the marker for sections 9, 10, 16, & 15, ca. 1/2 mi (air) SE of Woodleaf 1012 Comment
  JEPS123871  Rosa bridgesii Lowell Ahart 2015-4-30 20124 Yuba About 3/4 mile (air) southeast of Woodleaf. Comment
  CAS-BOT-BC156608  Rubus bifrons Lowell Ahart 1984-6-10 4716 Butte About 1/2 mile south-east of the Forbestown Diversion Dam, north-east of Forbestown 450 Comment
  CHSC97120  Rubus laciniatus Lowell Ahart 2007-8-7 14409 Yuba Hampshire Creek Meadow, about 20 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113573  Rubus laciniatus Lowell Ahart 2007-8-7 14409 Yuba Hampshire Creek Meadow, about 20 yards east of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  CHSC115799  Salix orestera Lowell Ahart; John Deurloo 2015-8-25 20532 Plumas On the bottom of the Bean Hill Mine, hydraulic mine in serpentine, 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air)south Twain, 7.8 miles (air) west-northwest of Quincy. 1367 Comment
  JEPS124131  Salix orestera Lowell Ahart, John Deurloo 2015-8-25 20532 Plumas 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air) south of Twain, 7.8 miles (air) west-northwest of Quincy. Comment
  CHSC74096  Salvia sonomensis L. Gehrung 1996-6-24 Yuba Ca 2.2 air mi E of Challenge and W of the Yuba River, on E side of the USFS Rd 19N03 just N of Indian Creek crossing. 762 Comment
  CHSC100722  Sanicula bipinnatifida var. flava L. P. Janeway 2008-5-11 9362 Yuba Northern High Sierra Nevada. In the northwestern head of Slapjack Creek; along Road 19N34, 1.3 road km southeast of Challenge-La Porte Road; about 1.2 km south-southeast of Woodleaf. 940 Comment
  CHSC45883  Sanicula tuberosa Lowell Ahart 1982-5-8 3412 Butte On the north slope above the road, about 1/2 mile south-west of the Forbestown Reservoir, about 4 1/2 miles north-east of Forbestown. 731 Comment
  CHSC51236  Scutellaria californica Lowell Ahart 1979-6-25 1952 Yuba Peterson Ridge Road, there is a spring near by and the gutter was running water, about 2 miles east of Challenge. 640 Comment
  CHSC73955  Scutellaria californica L. Gehrung 1996-6-24 Yuba Ca 2.2 air mi E of Challenge and W of the Yuba River, on E side of USFS Rd 19N03 ca 0.2 mi N of Indian Creek crossing, 822 Comment
  CAS-BOT-BC363367  Senecio aronicoides L. S. Rose 1931-4-13 s.n. Plumas Woodleaf Comment
  CHSC87338  Senecio aronicoides Lowell Ahart 2004-4-27 10766 Yuba About 20 yards west of a drainage, about 40 yards south of the road, about 1/2 mile (air) southeast of Woodleaf. 931 Comment
  HSC96917  Senecio aronicoides L. Ahart 2004-4-27 10766 Yuba About 20 yrds. W of a drainage, about 40 yrds. S of the road, about 1/2 mi. (air) SE of Woodleaf 932 Comment
  JEPS106274  Senecio aronicoides Lowell Ahart 2004-4-27 10766 Yuba About 20 yards west of a drainage, about 40 yards south of the road, about 1/2 mile (air) southeast of Woodleaf 931 Comment
  CHSC89478  Senecio eurycephalus var. eurycephalus Jenny Marr 1994-7-6 209 Butte Located in the mountains above Oroville off Forbestown Reservoir Road. 883 Comment
  CHSC89479  Senecio eurycephalus var. eurycephalus Jenny Marr 1994-7-6 210 Butte Located in the mountains above Oroville off Forbestown Reservoir Road. 883 Comment
  CHSC36520  Senecio integerrimus var. major L. Ahart 1982-5-8 3410 Butte Ca. 1/2 mi sw of the Forbestown Reservoir. 800 Comment
  LA204249  Senecio integerrimus var. major Lewis S. Rose; 1931-4-13 sn Plumas Woodleaf Comment
Read comments Mar 30 2016
  UC473558  Senecio integerrimus var. major L. S. Rose 1931-4-13 Yuba Woodleaf Comment
Read comments Mar 30 2016
  CAS-BOT-BC341187  Senecio lugens L. S. Rose 1931-4-13 s.n. Plumas Woodleaf Comment
  CHSC74098  Sidalcea gigantea B. Castro; L. Gehrung 1998-7-30 818 Yuba Ca 1.7 air mi S of Sly Creek Reservoir and 5 mi E of Woodleaf along the La Porte Rd, 0.1 mi E of Travis Saddle. Large stand on S side of road. 1112 Comment
  CAS-BOT-BC389012  Silene laciniata subsp. californica Lowell Ahart 1989-5-29 6313 Butte Along the road to the Forbestown Reservoir, about 1/2 mile south-west of the Forbestown Reservoir, about 4 miles north-east of Forbestown 548 Comment
  CHSC46352  Silene laciniata subsp. californica Lowell Ahart 1989-5-29 6313 Butte Along the road to the Forbestown Reservoir, about 1/2 mile south-west of the Forbestown Reservoir, about 4 miles north-east of Forbestown. 548 Comment
  CHSC110878  Sorghum halepense Tim Hanson 2013-8-26 10 Yuba Northern Sierra Nevada Foothills. On shoulder of La Porte Road approximately 1.8 road km southwest of Woodleaf. 975 Comment
  CHSC110463  Sphenosciadium capitellatum L. P. Janeway 2013-7-24 11186 Yuba Northern High Sierra Nevada. Plumas National Forest; meadow near headwaters of a northeastern tributary to Hampshire Creek, 1.8 km north of North Yuba River and 1.0 km east-northeast of Hampshire Creek Meadow. 1102 Comment
  CHSC110464  Sphenosciadium capitellatum L. P. Janeway 2013-7-24 11186 Yuba Northern High Sierra Nevada. Plumas National Forest; meadow near headwaters of a northeastern tributary to Hampshire Creek, 1.8 km north of North Yuba River and 1.0 km east-northeast of Hampshire Creek Meadow. 1102 Comment
  SEINET3163885  Spraguea umbellata L. S. Rose 1939-6-6 39230 Yuba 2 mi. ne. of Clipper Mills 1173 Comment
  CHSC96987  Stellaria borealis subsp. sitchana Lowell Ahart 2007-8-7 14408 Yuba Hampshire Creek Meadow, about 20 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. On the east side of a small pond, on the west side of the dirt road. 1021 Comment
  JEPS113685  Stellaria borealis subsp. sitchana Lowell Ahart 2007-8-7 14408 Yuba Hampshire Creek Meadow, about 20 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. On the east side of a small pond, on the west side of the dirt road 1021 Comment
  CHSC39611  Stellaria nitens Lowell Ahart 1983-3-28 3907 Butte About 1/2 mile south-west of the Forbestown Res., along the road where there is a serpentine slide area, about 4 miles north-east of Forbestown. 450 Comment
  UC1586492  Stellaria umbellata Lowell Ahart 1991-7-22 6690 Sierra about 3 mi nw Webber Lake (in French Meadow, about 0.25 mi s of Henness Pass Road); French Meadow 2133 Comment
  CHSC113602  Stephanomeria elata Lowell Ahart 2014-8-24 19725 Butte On the north side of the road, about 150 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 577 Comment
  JEPS122340  Stephanomeria elata Lowell Ahart 2014-8-24 19725 Butte On the north side of the road, about 150 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  JEPS94445  Stephanomeria elata Lowell Ahart 1997-8-30 7877 Yuba about 3 air mi e of Challenge (on the w side of the dirt road, in a clear cut, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  RSA0118747  Stephanomeria elata Lowell Ahart 2014-8-24 19725 Butte On the north side of the road, about 150 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 577 Comment
  CHSC69418  Stephanomeria paniculata Lowell Ahart 1997-8-30 7877 Yuba On the west side of the dirt road, in a clear cut, Peterson Ridge Road, about 3 miles (air) east of Challenge. 762 Comment
  CHSC35749  Streptanthus polygaloides R. E. Preston 1982-5-18 285 Butte Ca. 0.5 mi sw of Forbestown Dam. 640 Comment
  CHSC36691  Streptanthus tortuosus R. E. Preston 1982-5-18 284 Butte On s side of Forbestown reservoir, ca. 4 mi ne of Forbestown. 579 Comment
  CHSC36692  Streptanthus tortuosus R. E. Preston 1982-5-18 284 Butte On s side of Forbestown reservoir, ca. 4 mi ne of Forbestown. 579 Comment
  CHSC52375  Styrax officinalis var. redivivus L. P. Janeway 1989-5-17 3255 Butte Along rd to Forbestown Diversion Dam 2.5 mi from Forbestown Rd. Single small shrub at top of cutbank. 845 Comment
  UC648299  Swertia albicaulis var. nitida Lewis S. Rose 1939-6-6 39228 Yuba Woodleaf 944 Comment
  UC702901  Swertia albicaulis var. nitida Lewis S. Rose 1939-6-6 39228 Yuba Woodleaf 944 Comment
  UC878388  Swertia albicaulis var. nitida Lewis S. Rose 1939-6-6 39228 Yuba Woodleaf 944 Comment
  CDA25446  Tellima grandiflora D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .269 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  CHSC52371  Tellima grandiflora L. P. Janeway 1989-5-17 3253 Butte Along rd to Forbestown Diversion Dam 2.9 mi from Forbestown Rd. Shady cyn with creek flowing n'ly to S Fk Feather River. 792 Comment
  CHSC87341  Toxicoscordion paniculatum Lowell Ahart 2004-4-27 10754 Yuba Along a very small drainage, about 100 yards northwest of where the drainage crosses the road, about 1/2 mile (air) southeast of Woodleaf. 950 Comment
  CHSC43418  Trifolium breweri Lowell Ahart 1979-6-25 1955 Yuba Along the road bank of the dirt road, about 2 miles east of Challenge, there is a spring near by and the gutter of the road was running water. 670 Comment
  UC1586503  Trifolium monanthum var. monanthum Lowell Ahart 1991-7-22 6681 Sierra about 1/4 mi s Henness Pass Road (along a very small branch of Pass Creek in French Meadow, about 3 mi nw of Webber Lake); Pass Creek, French Meadow 2133 Comment
  SD122543  Trifolium pratense Lowell Ahart 1984-6-8 4684 Butte 6.0 miles northeast of Ponderosa Dam, ca., 4.0 miles southeast of Feather Falls. 550 Comment
  CHSC1833  Triphysaria pusilla R. Carter 1965-4-12 180 Butte Found at 6120 W. S. R., Oroville, 10 yds. from house on W side of driveway. 274 Comment
  CHSC23366  Triteleia bridgesii Robert Schlising; Marc Hayes 1974-6-11 3142 Yuba 3.5 mi E of Forbestown, along Forbestow - - La Porte Road. Comment
  CHSC46527  Triteleia bridgesii Lowell Ahart 1979-6-25 1957 Yuba About 2 miles east of Challenge. 670 Comment
  CAS-BOT-BC91083  Umbellularia californica Lowell Ahart 1989-5-29 6314 Butte Along the road to the Forbestown Reservoir, about 0.5 mile southwest of the Forbestown Reservoir. 548 Comment
  CHSC46382  Umbellularia californica Lowell Ahart 1989-5-29 6314 Butte Along the road to the Forbestown Reservoir, about 1/2 mile wouth-west of the Forbestown Reservoir, about 4 miles north-east of Forbestown. 548 Comment
  CHSC50652  Uropappus lindleyi Lowell Ahart 1990-6-16 6508 Butte On the south side of the dirt road, just south of the Forbestown Generator, on the south side of the Forbestown Reservoir. 487 Comment
  UC1562419  Uropappus lindleyi Lowell Ahart 1990-6-16 6508 Butte on the s side Forbestown Reservoir (just s of the Forbestown Generator) 487 Comment
  CHSC73946  Vaccinium parvifolium B. Castro 1997-4-23 724 Yuba Ca 2 air mi E of Clipper Mills, and ca 1.6 mi NE of Big Hill, along USFS RD 20N04, on ridge between Hampshire and Missouri Creeks. On N side of road. 1066 Comment
Read comments Feb 8 2016
  CHSC2009  Viola douglasii R. Carter 1964-3-7 38 Butte 8 mi. E of Oroville at end of Feathervale Dr. on W side of road. 121 Comment
  CAS-BOT-BC175682  Viola lobata Lowell Ahart 1982-5-8 3415 Butte About 1/2 mile south-west of the Forbestown Res., about 4 1/2 miles north-east of Forbestown 800 Comment
  CHSC37140  Viola lobata subsp. lobata L. Ahart 1982-5-8 3415 Butte Ca. 1/2 mi sw of Forbestown Reservoir, ca. 4.5 mi ne of Forbestown. 800 Comment
  CAS-BOT-BC175685  Viola purpurea Lowell Ahart 1982-5-8 3416 Butte About 1/2 mile south-west of the Forbestown Res., about 4 1/2 miles north-east of Forbestown 800 Comment
  GH381902  Viola purpurea L. S. Rose 1939-6-6 39229 Unknown Woodleaf 944 Comment
  OBI78513  Viola purpurea Lewis S. Rose 1939-6-6 39229 Yuba Woodleaf 945 Comment
  SEINET3163174  Viola purpurea L. S. Rose 1939-6-6 39229 Yuba Woodleaf 945 Comment
  CHSC37141  Viola purpurea subsp. purpurea L. Ahart 1982-5-8 3416 Butte Ca. 1/2 mi sw of Forbestown Reservoir, ca. 4.5 mi ne of Forbestown. 800 Comment
  CHSC41192  Viola purpurea subsp. purpurea J. D. Jokerst 1984-4-23 1983 Yuba Ca 1/4 mile N of the North Fork Yuba River at Wambo Bar. Comment
  CHSC87340  Viola purpurea subsp. purpurea Lowell Ahart 2004-4-27 10768 Yuba About 20 yards north of a drainage, about 50 yards east of the road, about 1/2 mile (air) southeast of Woodleaf. 931 Comment
  HSC97028  Viola purpurea subsp. purpurea L. Ahart 2004-4-27 10768 Yuba About 20 yds. N of a drainage, about 50 yds. E of the road, about 1/2 mi. SE of Woodleaf 932 Comment
  JEPS105852  Viola purpurea subsp. purpurea Lowell Ahart 2004-4-27 10768 Yuba About 20 yards north of a drainage, about 50 yards east of the road, about 1/2 mile (air) southeast of Woodleaf 931 Comment
  CHSC52377  Vitis californica L. P. Janeway 1989-5-17 3252 Butte Along rd to Forbestown Diversion Dam 2.9 mi from Forbestown Rd. Cyn with creek flowing n'ly to S Fk Feather River. 792 Comment
  CHSC69135  Wyethia angustifolia Lowell Ahart 1997-8-7 7837 Yuba On east side of the dirt road, about 2 miles (air) southeast of Woodleaf, about 3 miles (air) northeast of Challenge. 853 Comment
  HSC97029  Zigadenus paniculatus L. Ahart 2004-4-27 10754 Yuba Small drainage 100 yds NW of where drainage crosses rd., 0.5 mi. SE of Woodleaf 951 Comment
  JEPS105983  Zigadenus paniculatus Lowell Ahart 2004-4-27 10754 Yuba Along a very small drainage, about 100 yards northwest of where the drainage crosses the road, about 1/2 mile (air) southeast of Woodleaf 950 Comment
  JEPS106276  Zigadenus paniculatus Lowell Ahart 2004-4-27 10754 Yuba Along a very small drainage, about 100 yards northwest of where the drainage crosses the road, about 1/2 mile (air) southeast of Woodleaf 950 Comment



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