39.45138 39.55138 -121.38694 -121.28694 UC/JEPS: Consortium Search Results
Search Results — 1684 specimen records retrieved (1684 records with coordinates)
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 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
  CHSC2393  Acer macrophyllum R. Carter 1965-3-15 167 Butte Tree found along W side of Oroville-Forbestown Rd. .5 mi. E of intersection of Oroville Forbestown Rd. and Lumpkin Rd., Butte Co. 441 Comment
  CAS-BOT-BC21747  Achillea millefolium Lowell Ahart 1989-5-28 6299 Butte South of Oregon Gulch Road, 335 Comment
  CDA9174  Achillea millefolium D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 06 .259-B Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  CAS-BOT-BC218690  Achnatherum lemmonii Lowell Ahart 1982-7-4 3658 Yuba On a roadcut bank, near the Brownsville Dump, Sierra Nevada 600 Comment
  CHSC37190  Achnatherum lemmonii L. Ahart 1982-7-4 3658 Yuba Near Brownsville Dump, Brownsville. 600 Comment
  UCD50642  Achnatherum lemmonii W. R. Powell 1968-5-17 1512 Butte Along new Oro-Feather Falls Road, 4 miles north-northwest of Rackerby, Butte County, California. 548 Comment
  CHSC74147  Achnatherum nelsonii subsp. dorei B. Castro 1998-6-18 791 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. 929 Comment
  CHSC2432  Achyrachaena mollis R. Carter 1965-5-13 199 Butte Found ca. 7.5 mi. E of Oroville at 6120 W.S.R., ca. 60 yds due E of garage. 274 Comment
  CHSC113096  Acmispon americanus var. americanus Lowell Ahart 2013-11-18 19282 Butte Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  HSC104010  Acmispon americanus var. americanus L. Ahart 2013-11-18 19282 Butte About 2.5 air mi. NE of Hurleton, below the high water line of Lake Oroville, ~150 yds. NE of the boat ramp at the end of Stringtown Rd.,~ 50 yds. north of the road 261 Comment
  RSA0037019  Acmispon americanus var. americanus Lowell A. Ahart 2013-11-18 19282 Butte Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  CHSC113919  Acmispon argophyllus var. fremontii Lowell Ahart 2014-5-13 19460 Butte Below the high water line of Lake Orovolle, above the old paved road, about 150 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of OrovIlle. Collected about 1/4 mile west of point above, according to label. 259 Comment
  CHSC50667  Acmispon argophyllus var. fremontii Lowell Ahart 1990-5-25 6482 Butte Near the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 274 Comment
  JEPS122006  Acmispon argophyllus var. fremontii Lowell Ahart 2014-5-13 19460 Butte Below the high water line of Lake Oroville, above the old paved road, about 150 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of Oroville. Comment
  CHSC113097  Acmispon brachycarpus Lowell Ahart 2013-11-18 19281 Butte Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  CHSC113917  Acmispon brachycarpus Lowell Ahart 2014-5-13 19457 Butte North of a small drainage, below the high water line of Lake Oroville, about 250 yards southeast of the trail, trail starts at the parking area at the Enterprise Boat Launch Area, about 11 miles (air) east of Oroville. 241 Comment
  CHSC117000  Acmispon brachycarpus Lowell Ahart 2016-6-4 20921 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. 387 Comment
  CHSC40282  Acmispon brachycarpus Lowell Ahart 1985-5-31 5038 Butte At the Enterprise Launch Area, about 3/4 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville. 274 Comment
  CHSC50038  Acmispon brachycarpus Lowell Ahart 1990-4-15 6465 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of Oroville. 289 Comment
  CHSC98962  Acmispon brachycarpus Lowell Ahart 2008-5-12 14755 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS120584  Acmispon brachycarpus Lowell Ahart 2013-11-18 19281 Butte Below the high-water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2.5 air miles northeast of Hurleton. Comment
  JEPS122004  Acmispon brachycarpus Lowell Ahart 2014-5-13 19457 Butte Below the high water line of Lake Oroville, about 250 yards southeast of the trail, trail starts at the parking area at the Enterprise Boat Launch Area, about 11 miles (air) east of Oroville. Comment
  JEPS127022  Acmispon brachycarpus Lowell Ahart 2016-6-4 20921 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. Comment
  SEINET12765095  Acmispon brachycarpus Lowell Ahart 2014-5-13 19457 Butte Trail starts at the Enterprise Boat Launch Area, about 11 miles (air) east of Oroville.; 0 242 Comment
  CHSC40281  Acmispon glaber Lowell Ahart 1985-5-31 5037 Butte About 25 feet below the high water line of Lake Oroville, about 1/4 mile west of the Enterprise Launch Area, about 1 mile west of the Ensterprise Bridge, north-east of Oroville. 274 Comment
  CHSC40417  Acmispon nevadensis Lowell Ahart 1985-5-31 5039 Butte At the Enterprise Launch Area, about 3/4 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville. 274 Comment
  CHSC40895  Acmispon nevadensis Lowell Ahart 1985-11-5 5224 Butte About 50 feet below the high water line of Lake Oroville, about 1/2 mile west of the Ponderosa Dam. near where Sucker Creek flows into the South Fork of the Feather River. 286 Comment
  CHSC50996  Acmispon nevadensis Lowell Ahart 1990-7-4 6539 Butte Near McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  JEPS120601  Acmispon nevadensis Lowell Ahart 2013-11-17 19269 Butte About 60 yards east of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville. Comment
  CDA42977  Acmispon nevadensis var. nevadensis L. Ahart 2013-11-17 19269 Butte About 60 yards east of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. Comment
  CHSC112732  Acmispon nevadensis var. nevadensis Lowell Ahart 2013-11-17 19269 Butte Steep hillside, about 60 yards east of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC113918  Acmispon nevadensis var. nevadensis Lowell Ahart 2014-5-13 19459 Butte Below the high water line of Lake Oroville, above the old paved road, about 150 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of Oroville. 259 Comment
  CHSC98946  Acmispon nevadensis var. nevadensis Lowell Ahart 2008-5-8 14716 Butte Below the high water line of Lake Oroville, about 250 yards south of the poor parking area, on the east side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  CHSC99327  Acmispon nevadensis var. nevadensis Lowell Ahart 2008-5-12 14729 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  HSC104004  Acmispon nevadensis var. nevadensis L. Ahart 2013-11-17 19269 Butte About 5/8 mi. SW of the Enterprise Bridge across Lake Oroville, below the high water line of Lake Oroville, along the sides of McCabe Creek 245 Comment
  JEPS122005  Acmispon nevadensis var. nevadensis Lowell Ahart 2014-5-13 19459 Butte Below the high water line of Lake Oroville, above the old paved road, about 150 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of Oroville. Comment
  RSA0037018  Acmispon nevadensis var. nevadensis Lowell A. Ahart 2013-11-17 19269 Butte About 60 yards east of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  SEINET12765093  Acmispon nevadensis var. nevadensis Lowell Ahart 2014-5-13 19459 Butte About 150 yards west of the Enterprise Boat Ramp, about 1 miles (air) east of Oroville.; 0 850 Comment
  CHSC113908  Acmispon parviflorus Lowell Ahart 2014-5-8 19450 Butte North of a small drainage, below the high water line of Lake Oroville, about 250 yards southeast of the trail, trail starts at the parking area at the Enterprise Boat Launch Area, about 11 miles (air) east of Oroville. 241 Comment
  CHSC117853  Acmispon parviflorus L. P. Janeway 2016-5-9 11944 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19. 701 Comment
  CHSC33584  Acmispon parviflorus M. S. Taylor 1981-5-5 3597 Butte E side of Lumpkin-LaPorte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 air mi e of Oroville. Comment
  CHSC40283  Acmispon parviflorus Lowell Ahart 1985-5-31 5033 Butte About 25 feet below the high water line of Lake Oroville, 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville. 274 Comment
  CHSC98960  Acmispon parviflorus Lowell Ahart 2008-5-12 14733 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS122002  Acmispon parviflorus Lowell Ahart 2014-5-13 19456 Butte Below the high water line of Lake Oroville, about 250 yards southeast of the trail, trail starts at the parking area at the Enterprise Boat Launch Area, about 11 miles (air) east of Oroville. Comment
  SEINET12765096  Acmispon parviflorus Lowell Ahart 2014-5-13 19456 Butte Trail starts at the Enterprise Boat Launch Area, about 11 miles (air) east of Oroville.; 0 242 Comment
  CHSC113915  Acmispon strigosus Lowell Ahart 2014-5-13 19458 Butte North of a small drainage, below the high water line of Lake Oroville, about 250 yards southeast of the trail, trail starts at the parking area at the Enterprise Boat Launch Area, about 11 miles (air) east of Oroville. 241 Comment
  CHSC40418  Acmispon strigosus Lowell Ahart 1985-5-31 5034 Butte About 25 feet below the high water line of Lake Oroville, 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville. 274 Comment
  CHSC50040  Acmispon strigosus Lowell Ahart 1990-4-15 6455 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile northwest of the Enterprise Bridge across Lake Oroville. 289 Comment
  CHSC98961  Acmispon strigosus Lowell Ahart 2008-5-12 14734 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS122003  Acmispon strigosus Lowell Ahart 2014-5-13 19458 Butte Below the high water line of Lake Oroville, about 250 yards southeast of the trail, trail starts at the parking area at the Enterprise Boat Launch Area, about 11 miles (air) east of Oroville. Comment
  SEINET12765130  Acmispon strigosus Lowell Ahart 2014-5-13 19458 Butte Trail starts at the Enterprise Boat Launch Area, about 11 miles (air) east of Oroville.; 0 242 Comment
  CHSC30022  Acmispon wrangelianus L. Ahart 1980-5-17 2305 Butte In the Oak Grove Cemetery, ca. 1/2 mi se of Hurleton. 600 Comment
  CHSC34680  Adiantum capillus-veneris M. S. Taylor 1980-2-17 2364 Butte Along a creek at an old mine site, ca. 1/2 mi sw of lower Forbestown Rd, ca. 3 mi w of Forbestown. 396 Comment
  CHSC41988  Adiantum jordanii Lowell Ahart 1975-3-7 704 Butte Along Ponderosa Way, about 1 1/2 miles south of the Ponderosa Reservoir, north-west of Forbestown. 426 Comment
  CHSC109559  Agoseris grandiflora var. leptophylla L. P. Janeway 2012-8-1 10916 Butte Northern High Sierra Nevada. Near the top of Sunset Hill, just a little over the north side. 1000 Comment
  CAS-BOT-BC22965  Agoseris heterophylla Lowell Ahart 1980-5-4 2209 Butte Near Hurleton 600 Comment
  CHSC30030  Agoseris heterophylla Lowell Ahart 1980-5-4 2209 Butte Ca. 50 m SW of the intersection of Forbestown Rd and Hurleton Swedes Flat Rd, ca. 1/2 mi SE of Hurleton. 600 Comment
  CHSC42393  Agoseris retrorsa Lowell Ahart 1977-4-28 1328 Butte Near Ponderosa Way, near the Ponderosa Dam, north-west of Forbestown. 365 Comment
  CHSC112689  Agrimonia gryposepala Lowell Ahart 2013-7-1 18815 Butte Meadow, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC31440  Agrimonia gryposepala L. Ahart 1980-7-29 2504 Butte Near Forbestown Rd, ca. 100 m e of the jct of Black Bart Rd and Forbestown Rd, ca. 1 mi w of Robinson Mill Rd, w of Forbestown. 750 Comment
  JEPS120833  Agrimonia gryposepala Lowell Ahart 2013-7-1 18815 Butte About 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  RSA0036990  Agrimonia gryposepala Lowell A. Ahart 2013-7-2 18815 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC50700  Agrostis avenacea Lowell Ahart 1990-5-25 6492 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 259 Comment
  JEPS114990  Agrostis avenacea Lowell Ahart 2008-5-21 14779 Butte below the high water line of Lake Oroville, on the N and S side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mi NW of the Ponderosa Dam 246 Comment
  RSA754963  Agrostis avenacea L. Ahart 2008-5-21 14779 Butte Lake Oroville, north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 0.25 mile northwest of the Ponderosa Dam. 246 Comment
  SEINET10855011  Agrostis avenacea Lowell Ahart 2008-5-21 Ahart 14779 Butte T20N, R6E, southwest 1/4 Section 33. Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, about 1.4 mile northwest of the Ponderosa Dam. 246 Comment
  UC1562427  Agrostis avenacea Lowell Ahart 1990-5-25 6492 Butte e Enterprise Boat Launch Area (about 1/8 mi nw of the Enterprise Bridge across Lake Oroville); Lake Oroville 259 Comment
  UCD169895  Agrostis avenacea Lowell Ahart 2008-5-21 14779 Butte On the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  CHSC116597  Agrostis capillaris L. P. Janeway 2015-6-30 11791 Butte Northern High Sierra Nevada. Plumas National Forest; along road 19N19 1.3 road-km east of Ponderosa Way; north-northwest slopes halfway between Sunset Hill and Ponderosa Dam (South Fork Feather River). 701 Comment
  JEPS127616  Agrostis capillaris L. P. Janeway 2015-6-30 11791 Butte Plumas National Forest; Along Road 19N19 1.3 road km E of Ponderosa way, halfway between Sunset Hill and Poderosa Dam (South Fork Feather River) Comment
  CAS-BOT-BC127373  Agrostis exarata Lowell Ahart 1988-7-24 6127 Butte At the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 731 Comment
  CHSC44913  Agrostis exarata Lowell Ahart 1988-7-24 6127 Butte At the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 731 Comment
  CHSC51030  Agrostis exarata var. monolepis Lowell Ahart 1990-7-15 6560 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CAS-BOT-BC139079  Agrostis pallens Lowell Ahart 1987-7-10 5818 Butte Near Forbestown Road, east of the intersection of Forbestown Road and Black Bart Road, about 1 mile west of Robinson Mill Road, about 6 miles southwest of Forbestown. 670 Comment
  CAS-BOT-BC139081  Agrostis pallens Lowell Ahart 1980-7-4 2462 Butte Along Forbestown Road. 750 Comment
  CHSC42906  Agrostis pallens Lowell Ahart 1987-7-10 5818 Butte Near Forbestown Road, east of the intersection of Forbestown Road and Black Bart Road, about 1 mile west of Robinson Mill Road, about 6 miles south-west of Forbestown. 670 Comment
  CHSC91470  Agrostis stolonifera Lowell Ahart 2005-7-13 12150 Butte About 20 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 759 Comment
  JEPS107519  Agrostis stolonifera Lowell Ahart 2005-7-13 12150 Butte About 20 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville 759 Comment
  RSA716149  Agrostis stolonifera L. Ahart 2005-7-13 12150 Butte About 20 yards east of the intersection of Forbestown road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 759 Comment
  CAS-BOT-BC138419  Aira caryophyllea Lowell Ahart 1990-1-17 6408 Butte Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile northwest of the Enterprise Bridge across Lake Oroville. 289 Comment
  CAS-BOT-BC138423  Aira caryophyllea Lowell Ahart 1980-5-17 2270 Butte 0.5 mile southeast of Hurleton. 600 Comment
  CDA31941  Aira caryophyllea L. Ahart 2008-5-12 14740 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. Comment
  CHSC118445  Aira caryophyllea L. P. Janeway 2016-5-9 11952 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Pondosa Way and Road 19N19. 701 Comment
  CHSC50065  Aira caryophyllea Lowell Ahart 1990-1-17 6408 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprisa Bridge across Lake Oroville. 289 Comment
  CHSC98974  Aira caryophyllea Lowell Ahart 2008-5-12 14740 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS114957  Aira caryophyllea Lowell Ahart 2008-5-12 14740 Butte below the high water line of Lake Oroville, on the E side of Sucker Creek, about 40 yds N of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mi W of the Ponderosa Dam 258 Comment
  RSA754948  Aira caryophyllea L. Ahart 2008-5-12 14740 Butte Lake Oroville, on the east side of Sucker Creek, about 40-100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  CAS-BOT-BC138410  Aira caryophyllea var. capillaris Lowell Ahart 1980-5-17 2289 Butte 0.5 mile southeast of Hurleton. 600 Comment
  CAS-BOT-BC138411  Aira caryophyllea var. capillaris Lowell Ahart 1980-5-4 2191 Butte Near Hurleton. 600 Comment
  CHSC30029  Aira elegans L. Ahart 1980-5-4 2191 Butte Ca. 50 m sw of the intersection of Forbestown Rd and Hurleton Swedes Flat Rd, ca. 1/2 mi se of Hurleton. 600 Comment
  CHSC34032  Alisma triviale L. Ahart 1981-7-7 2926 Butte Along the edge of Black Bart Rd, ca. 1/2 mi w of the Oroville-Forbestown Rd, w of Forbestown. 700 Comment
  CHSC46524  Allium membranaceum Lowell Ahart 1980-5-25 2342 Butte Near the edge of Ponderosa Way, about 2 miles south of Ponderosa Dam, north-west of Forbestown. 548 Comment
  CAS-BOT-BC132115  Allium sanbornii var. sanbornii Lowell Ahart 1980-7-29 2501 Butte Along the edge of Forbestown Road Comment
  CHSC106176  Allium sanbornii var. sanbornii Lowell Ahart 2010-7-27 16911 Butte On the west side of Forbestown Road, about 1/10 mile north of Black Bart Road, about 11 miles east of Oroville. 741 Comment
  CHSC31426  Allium sanbornii var. sanbornii L. Ahart 1980-7-29 2501 Butte Near the edge of Forbestown Rd, ca. 1 mi e of Hurleton. 700 Comment
  CHSC61355  Allium sanbornii var. sanbornii Lowell Ahart 1993-8-8 7155 Yuba On the south side of La Porte Road, about 200 yards west of the Brownsville Grange, about 1 mile south-west of La Porte Road and Willow Glen Road intersection. 609 Comment
  JEPS117692  Allium sanbornii var. sanbornii Lowell Ahart 2010-7-27 16911 Butte On the west side of Forbestown Road, about 1/10 mile north of Black Bart Road, about 11 miles east of Oroville 741 Comment
  RSA767686  Allium sanbornii var. sanbornii Lowell Ahart 2010-7-27 16911 Butte West side of Forbestown Road, about 1/10 mile north of Black Bart Road, about 11 miles east of Oroville 742 Comment
  CHSC54343  Allophyllum divaricatum Lowell Ahart 1991-6-22 6662 Butte Below the high water line of Lake Oroville, north of Springtown Road, Lake Oroville. 243 Comment
  SEINET2444421  Allophyllum divaricatum Lowell Ahart 1984-6-8 4673 Butte At the Ponderosa Dam, ca. 2 mi NW of Forbestown. 370 Comment
  CAS-BOT-BC138038  Alopecurus carolinianus Lowell Ahart 1990-4-15 6450 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile northwest of the Enterprise Bridge across Lake Oroville. 289 Comment
  CDA42995  Alopecurus carolinianus L. Ahart 2008-5-2 14704 Butte Below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10-1/2 miles (air) northeast of Oroville. Comment
  CHSC50066  Alopecurus carolinianus Lowell Ahart 1990-4-15 6450 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 289 Comment
  CHSC50703  Alopecurus carolinianus Lowell Ahart 1990-6-16 6517 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC98807  Alopecurus carolinianus Lowell Ahart 2008-5-2 14704 Butte Below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10-1/2 miles (air) northeast of Oroville. 217 Comment
  JEPS114590  Alopecurus carolinianus Lowell Ahart 2008-5-2 14704 Butte Below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10-1/2 miles (air) northeast of Oroville 217 Comment
  RSA0115343  Alopecurus carolinianus Lowell Ahart 2008-5-2 14704 Butte Below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Lunch [Launch?] Area about 10 1/2 miles (air) northeast of Oroville. 217 Comment
  SEINET10661091  Alopecurus carolinianus Lowell Ahart 2008-5-2 Ahart 14704 Butte T19N, R5E, northeast 1/4 Section 1. Below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10.5 miles (air) northeast of Oroville. 217 Comment
  UC1562407  Alopecurus carolinianus Lowell Ahart 1990-6-16 6517 Butte ca. 1/2 mi. s.w. Enterprise Bride across Lake Oroville (along McCabe Creek); McCabe Creek 243 Comment
  CHSC113104  Amaranthus albus Lowell Ahart 2013-11-18 19280 Butte Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  JEPS120591  Amaranthus albus Lowell Ahart 2013-11-18 19280 Butte Below the high-water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2.5 air miles northeast of Hurleton. Comment
  JEPS120614  Amaranthus albus Lowell Ahart 2013-11-13 19227 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  CHSC50984  Amaranthus californicus Lowell Ahart 1990-8-15 6593 Butte About 1/4 mile north-west of the Enterprise Bridge across Lake Oroville, east of the Enterprise Boat Launch Area, along a small wash, below the high water line of Lake Oroville. 228 Comment
  CHSC50985  Amaranthus californicus Lowell Ahart 1990-7-2 6536 Butte Near McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC50986  Amaranthus californicus Lowell Ahart 1990-8-15 6577 Butte Near McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  UC1562275  Amaranthus californicus Lowell Ahart 1990-7-2 6536 Butte about 0.5 mi sw Enterprise Bridge across Lake Oroville (near McCabe Lake); Lake Oroville 243 Comment
  UC1562281  Amaranthus californicus Lowell Ahart 1990-8-15 6577 Butte about 0.5 mi sw Enterprise Bridge across Lake Oroville (near McCabe Lake); Lake Oroville 243 Comment
  UC1562486  Amaranthus californicus Lowell Ahart 1990-8-15 6593 Butte about 0.25 mi nw Enterprise Bridge across Lake Oroville (e of the Enterprise Boat Launch Area); Lake Oroville 228 Comment
  CHSC51268  Ammannia coccinea Lowell Ahart 1990-10-5 6632 Butte Growing below the high water line of Lake Oroville, about 1/8 mile south-west of the Enterprise Boat Launch Area, about 3/4 mile north-west of the Enterprise Bridge across Lake Oroville. 228 Comment
  CHSC116985  Anagallis arvensis Lowell Ahart 2016-6-4 20937 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. 732 Comment
  CHSC99006  Anagallis arvensis Lowell Ahart 2008-5-21 14785 Butte Damp bare granite soil, below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, about 100 yards west of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  CHSC41319  Angelica californica Lowell Ahart 1985-7-9 5108 Butte Along Ponderosa Way, about 1 mile south of the Ponderosa Dam across the South Fork of the Feather River, about 3 miles north-west of Forbestown. 548 Comment
  CHSC113676  Anisocarpus madioides L. P. Janeway 2014-5-29 11275 Butte Northern High Sierra Nevada. Plumas National Forest; at junction of Roads 18N18 and 19N40 (but 19N40 doesn't exist here anymore), 1.0 air-km north of top of Sunset Hill; upper slopes high above South Fork Feather River arm of Lake Oroville. 774 Comment
  CHSC43624  Anisocarpus madioides Vernon Oswald 1985-5-20 1771 Butte Forbestown Rd. 0.5 mi ne of Robinson Mill Rd. Along the edge of the road. 853 Comment
  CHSC60957  Anisocarpus madioides Lowell Ahart 1993-6-16 6971 Butte South-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown. 609 Comment
  CHSC74072  Anisocarpus madioides B. Castro 1998-6-18 792 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. 929 Comment
  CHSC86584  Anisocarpus madioides L. P. Janeway; John Hunt 2003-6-13 7828 Butte Northern High Sierra Nevada. North side of South Fork Feather River arm of Lake Oroville, 515 m west-northwest of the north end of Enterprise Bridge. 277 Comment
  JEPS87517  Anisocarpus madioides Lowell Ahart 1993-6-16 6971 Butte sw intersection of Black Bart Road and Forbestown Road (about 3 1/2 air mi sw of Forbestown) 609 Comment
  UC1609222  Anisocarpus madioides Lowell Ahart 1993-6-16 6971 Butte sw intersection of Black Bart Road and Forbestown Road (about 3 1/2 air mi sw of Forbestown) Comment
  CHSC40890  Antirrhinum leptaleum Lowell Ahart 1985-6-30 5073 Butte About 10 yards south of Forbestown Road, about 100 yards south of intersection with Black Bart Road, about 1 mile west of intersection with Robinson Mill Road. 609 Comment
  CHSC43141  Antirrhinum leptaleum R. Banchero; R. Schlising 1980-9-6 331 Butte 0.7 mi ne of the jct of Lumpkin and Forbestown Rd. 493 Comment
  CHSC48967  Antirrhinum leptaleum Vernon Oswald 1985-6-26 1868 Butte West side of Forbestown Rd. ca. 200 ft s of Black Bart Rd. 743 Comment
  CHSC51276  Antirrhinum leptaleum Lowell Ahart 1990-10-5 6630 Butte Below the high water line of Lake Oroville, about 1/4 mile south-west of the Enterprise Bridge across Lake Oroville. 266 Comment
  CHSC99491  Antirrhinum leptaleum Lowell Ahart 2008-7-23 15155 Butte East side of Lumpkin Road, about 200 yards north of the intersection of Forbestown Road and Lumpkin Road, about 10 miles (air) north of Oroville. 513 Comment
  JEPS114680  Antirrhinum leptaleum Lowell Ahart 2008-7-23 15155 Butte East side of Lumpkin Road, about 200 yds north of the intersecton of Forbestown Road and Lumpkin Road, about 10 miles (air) north of Oroville 513 Comment
  RSA0058879  Antirrhinum leptaleum Lowell A. Ahart 2008-7-23 15154 Butte On the east side of Lumpkin Road, about 200 yards north of the intersection of Forbestown Road and Lumpkin Road, about 10 miles (air) north of Oroville. 514 Comment
  UC1563259  Antirrhinum leptaleum Lowell Ahart 1990-10-5 6630 Butte Below the high water line of Lake Oroville, about 1/4 mile south-west of the Enterprise Bridge across Lake Oroville 266 Comment
  CHSC46398  Aphanes occidentalis Lowell Ahart 1989-5-28 6276 Butte South of Oregon Gulch Road, about 1/2 mile north of the Cemetary, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC114984  Aphyllon purpureum Lowell Ahart 2015-4-18 20056 Butte About 100 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 miles (air) southwest of Forbestown, about 11 miles (air) eastof Oroville. 752 Comment
  CHSC63258  Aphyllon purpureum Lowell Ahart 1994-4-22 7286 Butte In a small mountain meadow, south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles south-west of Forbestown. 609 Comment
  CHSC50641  Apocynum cannabinum Lowell Ahart 1990-6-16 6514 Butte A small ravine, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 259 Comment
  CHSC58257  Arabidopsis thaliana Lowell Ahart 1992-3-9 6737 Butte Below the high water line of Lake Oroville, about 1/6 mile east of the Enterprise Boat Launch Area, about 1/2 mile north-west of the Enterprise Bridge across Lake Oroville. 274 Comment
  UC1594591  Arabidopsis thaliana Lowell Ahart 1992-3-9 6737 Butte about 1/6 mi e of Enterprise Boat Launch Area (about 1/2 mi nw of the Enterprise Bridge across Lake Oroville); Lake Oroville 274 Comment
  CAS-BOT-BC167244  Aralia californica Lowell Ahart 1985-7-9 5106 Butte Along Ponderosa Way, about 1 mile south of the Ponderosa Dam across the South Fork of the Feather River, about 3 miles north-west of the Forbestown 548 Comment
  CAS-BOT-BC167247  Aralia californica Lowell Ahart 1980-10-26 2687 Butte Near the Forbestown Res., Forbestown 400 Comment
  CHSC40357  Aralia californica Lowell Ahart 1985-9-7 5106 Butte Bottom and sides of a small stream, along Ponderosa Way, about 1 mile south of the Ponderosa Dam across the South Fork of the Feather River, about 3 miles south-west of Forbestown. 548 Comment
  CHSC23403  Arbutus menziesii M. S. Taylor 1976-3-6 1007 Butte Ca. 50 ft E of Lumpkin Rd, ca. 1 mi NE of Forbestown Rd, ca. 12 miles E of Oroville. Comment
  CHSC3560  Arbutus menziesii R. D. Briggs 1966-2-20 17 Butte Thirteen miles northeast of Oroville, on the Feather Falls Highway. Comment
  CHSC43249  Arceuthobium campylopodum Lowell Ahart 1987-10-8 5910 Butte On Ponderosa Way, about 1/2 mile west of Sunset Hill, about 2-1/2 miles west of Forbestown. 853 Comment
  CHSC106063  Arctostaphylos mewukka subsp. mewukka Lowell Ahart 2010-7-27 16913 Butte About 100 yards southwest of the intersection of Forbestown Road and Black Bart Road, about 11 miles east of Oroville. 741 Comment
  JEPS117428  Arctostaphylos mewukka subsp. mewukka Lowell Ahart 2010-7-27 16913 Butte About 100 yards southwest of the intersection of Forbestown Road and Black Bart Road, about 11 miles east of Oroville 741 Comment
  RSA795329  Arctostaphylos mewukka subsp. mewukka L. Ahart 2010-7-27 16913 Butte About 100 yards southwest of the intersection of Forbestown Road and Black Bart Road, about 11 miles east of Oroville. 742 Comment
  SBBG125910  Arctostaphylos mewukka subsp. mewukka L. Ahart 2010-7-27 16913 Butte ca 100 yards SW of intersection of Forbestown Rd and Black Bart Rd, ca 11 mi E of Oroville 741 Comment
  CHSC42014  Arctostaphylos mewukka subsp. truei Lowell Ahart 1976-2-19 1012 Butte Near Ponderosa Way, about 3 mi S of the Ponderosa Dam on the South Fork of the Feather River, about 3 mi NW of Forbestown. 609 Comment
  HSC72757  Arctostaphylos viscida M. S. Taylor, Timothy B. Devine, M Merryman 1981-2-11 3376 Butte E side of Lumpkin Rd., ca. 300 ft. N of Macabes Creek, ca. 2 mi. N of jct. of Lumpkin Rd. and Hwy. 162, ca. 13 mi. NE of Oroville 457 Comment
  UCD52634  Arctostaphylos viscida M. S. Taylor; T. 1981-11-11 3376 Butte E side of Lumpkin Rd, ca. 300 ft n of Macabes Creek, ca 2 mi n of jct of Lumpkin Rd and Oroville-Quincy Hwy (162), ca. 13 mi ne of Oroville. Comment
  CAS-BOT-BC47392  Arctostaphylos viscida subsp. viscida M. S. Taylor; T. Devine; M. Merryman 1981-11-2 3376 Butte Bigi Bend Mt. Quad. East side of Lumpkin Rd., north of Macabes Creek. 91 Comment
  CHSC106052  Arctostaphylos viscida subsp. viscida Lowell Ahart 2010-7-27 16912 Butte About 100 yards southwest of the intersection of Forbestown Road and Black Bart Road, about 11 miles east of Oroville. 741 Comment
  CHSC31919  Arctostaphylos viscida subsp. viscida M. S. Taylor; T. Devine, M. Merryman 1981-2-11 3376 Butte E side of Lumpkin Rd, ca. 300 ft N of Macabes Creek, ca. 2 mi N of jct of Lumpkin Rd and Oroville-Quincy Hwy (162), ca. 13 mi NE of Oroville. 457 Comment
  CHSC42015  Arctostaphylos viscida subsp. viscida Lowell Ahart 1976-2-19 1011 Butte Near Ponderosa Way, about 3 mi south of the Ponderosa Dam on the South Fork of the Feather River, about 3 mi northwest of Forbestown. 609 Comment
  JEPS117677  Arctostaphylos viscida subsp. viscida Lowell Ahart 2010-7-27 16912 Butte About 100 yards southwest of the intersection of Forbestown Road and Black Bart Road, about 11 miles east of Oroville 741 Comment
  RSA795338  Arctostaphylos viscida subsp. viscida L. Ahart 2010-7-27 16912 Butte About 100 yards southwest of the intersection of Forbestown Road and Black Bart Road, about 11 miles east of Oroville. 742 Comment
  SBBG125911  Arctostaphylos viscida subsp. viscida L. Ahart 2010-7-27 16912 Butte ca 100 yards SW of intersection of Forbestown Rd and Black Bart Rd, ca 11 mi E of Oroville 741 Comment
  CHSC28870  Aristolochia californica M. S. Taylor 1980-2-17 2359 Butte Along a dirt road, ca. 1/4 mi sw of lower Forbestown Rd, ca. 3 mi w of Forbestown. 396 Comment
  CHSC99489  Artemisia douglasiana Lowell Ahart 2008-7-23 15150 Butte North side of Ponderosa Way, north of the water fall, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown. 483 Comment
  JEPS114682  Artemisia douglasiana Lowell Ahart 2008-6-23 15150 Butte N side of Ponderosa Way, N of the water fall, about 1 mi (air) SW of the Ponderosa Dam, about 2 1/4 mi (air) NW of Forbestown 482 Comment
  RSA0039299  Artemisia douglasiana Lowell Ahart 2008-7-23 15150 Butte On the north side of Ponderosa Way, north of the waterfall, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown. 482 Comment
  CHSC115681  Asarum hartwegii Emily Meigs Doe; L. P. Janeway 2015-5-28 29 Butte Northern High Sierra Nevada. Plumas National Forest. About 2 mi. NW of Forbestown Rd., about 0.35 mi. NE of its intersection with Ponderosa Way. 829 Comment
  SBBG1383  Asarum hartwegii H. and M. Dearing 1939-5-8 3294 Yuba near New York Crk, near Brownsville 762 Comment
  CHSC40364  Asclepias fascicularis Lowell Ahart 1985-6-30 5074 Butte Along the road at the intersection of Forbestown Road and Black Bart Road, about 1 mile west of intersection with Robinson Mill Road. 609 Comment
  CHSC112457  Asclepias speciosa Lowell Ahart 2013-6-11 18799 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC31438  Asclepias speciosa L. Ahart 1980-7-29 2502 Butte Small open area near Forbestown Rd, ca. 100 m e of the jct of Black Bart Rd and Forbestown Rd, ca. 1 mi w of Robinson Mill Rd, w of Forbestown. 750 Comment
  CHSC43319  Asclepias speciosa Lowell Ahart 1979-6-25 1934 Yuba Near the edge of LaPorte Road, about 2 miles south-west of Brownsville. 365 Comment
  JEPS120898  Asclepias speciosa Lowell Ahart 2013-6-11 18799 Butte About 10 yards N of the Forbestown Road, about 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  RSA0115080  Asclepias speciosa Lowell A. Ahart 2013-6-11 18799 Butte About 10 yards north of Forbestown Road, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3.25 miles (air) southwest of Forbestown. 738 Comment
  CAS-BOT-BC68878  Aspidotis californica M. S. Taylor 1980-2-17 2356 Butte Ca. 1/4 mi. SW of lower Forbestown Rd, ca. 3 mi. W of Forbestown. 396 Comment
  CAS-BOT-BC68884  Aspidotis californica Lowell Ahart 1966-3-13 s.n. Butte Near Enterprise 213 Comment
  CHSC23404  Aspidotis californica M. S. Taylor 1976-3-6 1008 Butte Above Macabes Creek, ca. 50 ft e of Lumpkin Rd, ca. 1 mi ne of Forbestown Rd, ca. 12 mi e of Oroville. 1066 Comment
  CHSC28880  Aspidotis californica M. S. Taylor 1980-2-17 2356 Butte Ca. 1/4 mi sw of lower Forbestown Rd, ca. 3 mi w of Forbestown. 396 Comment
  CHSC33558  Aspidotis californica M. S. Taylor 1981-5-5 3604 Butte On the e side of Lumpkin-Laporte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 mi e of Oroville. 457 Comment
  CHSC40471  Aster radulinus Lowell Ahart 1985-8-15 5166 Butte Along the north edge of Forbestown Road, about 2 miles northeast of Robinson Mill Road, about 2 miles southwest of Forbestown. 762 Comment
  CHSC44893  Aster radulinus Lowell Ahart 1988-7-24 6131 Butte About 1/20 mile northeast of the intersection of Ponderosa Way and Lower Forbestown Road, west of Sunset Hill, near Forbestown. 731 Comment
  CHSC58258  Athysanus pusillus Lowell Ahart 1992-3-9 6736 Butte At the high water line of Lake Oroville, about 1/6 mile east of the Enterprise Boat Launch Area, about 1/2 mile north-west of the Enterprise Bridge across Lake Oroville. 274 Comment
  JEPS87173  Athysanus pusillus Lowell Ahart 1992-3-9 6736 Butte about 1/6 mi e of the Enterprise Boat Launch Area (about 1/2 mi nw of the Enterprise Bridge across Lake Oroville); Lake Oroville 274 Comment
  UC1594560  Athysanus pusillus Lowell Ahart 1992-3-9 6736 Butte about 1/6 mi e of Enterprise Boat Launch Area (about 1/2 mi nw of the Enterprise Bridge across Lake Oroville); Lake Oroville 274 Comment
  CHSC50017  Azolla filiculoides Lowell Ahart 1990-1-17 6409 Butte Below the high water line of Lake Oroville, west of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 301 Comment
  CAS-BOT-BC98010  Baccharis pilularis Lowell Ahart 1986-10-16 5403 Butte about 1 mile south-west of the Ponderosa Dam, about 3 miles north-west of Forbestown 457 Comment
  CHSC63694  Baccharis pilularis Lowell Ahart 1994-10-9 7556 Butte On the north side of Forbestown Road, about 200 yards east of the intersection of Black Bart Road and Forbestown Road, about 3 (air) miles west of Forbestown. 609 Comment
  JEPS87563  Baccharis pilularis Lowell Ahart 1994-10-9 7556 Butte about 3 air mi w of Forbestown (on n side of Forbestown Road, about 200 yards e of the intersection of Black Bart Road and Forbestown Road); Forbestown Road 609 Comment
  CHSC41880  Baccharis pilularis subsp. consanguinea Lowell Ahart 1986-10-16 5403 Butte About 1 mile southwest of the Ponderosa Dam, about 3 miles northwest of Forbestown. 457 Comment
  CHSC113619  Bergia texana Lowell Ahart 2014-8-31 19799 Butte On the west side of McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile southwest of the Enterprise Bridge across the South Fork of the Feather River, about 11 miles (air) east of Oroville. 226 Comment
  CHSC50994  Bergia texana Lowell Ahart 1990-8-15 6578 Butte Near McCabe Creek, below the high-water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  JEPS122318  Bergia texana Lowell Ahart 2014-8-31 19799 Butte On the west side of McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile southwest of the Enterprise Bridge across the South Fork of the Feather River, about 11 miles (air) east Oroville. Comment
  UC1562366  Bergia texana Lowell Ahart 1990-8-15 6578 Butte Near McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. Comment
  CDA42976  Bidens frondosa L. Ahart 2013-11-17 19259 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 of a mile southwest of the Enterprise Bridge across Lake Oroville. Comment
  CHSC113131  Bidens frondosa Lowell Ahart 2013-11-17 19259 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 of a mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC40911  Bidens frondosa Lowell Ahart 1985-11-7 5238 Butte About 90 feet below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek flows into the river, about 1/2 mile west of the Ponderosa Dam. 274 Comment
  HSC103997  Bidens frondosa L. Ahart 2013-11-17 19259 Butte About 5/8 mi. SW of the Enterprise Bridge across Lake Oroville, below the high water line of Lake Oroville, along the sides of McCabe Creek 245 Comment
  JEPS120603  Bidens frondosa Lowell Ahart 2013-11-17 19259 Butte McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville. Comment
  RSA0037017  Bidens frondosa Lowell A. Ahart 2013-11-17 19259 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  UCD169273  Bidens frondosa Lowell Ahart 2013-11-17 19259 Butte McCabe Creek, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CAS-BOT-BC145537  Briza minor Lowell Ahart 1980-5-17 2279 Butte 0.5 mile southeast of Hurleton. 600 Comment
  CAS-BOT-BC145538  Briza minor Lowell Ahart 1980-5-4 2217 Butte Near Hurleton. 600 Comment
  CHSC98970  Briza minor Lowell Ahart 2008-5-12 14739 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS114956  Briza minor Lowell Ahart 2008-5-12 14739 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  SEINET201433  Brodiaea californica Rimo Bacigalupi, G. Bacigalupi; Heckard Sanderson 1952-6-20 3752 Butte Along road from Oroville to Forbestown 1.2 miles west of Hurleton 442 Comment
  CHSC115906  Brodiaea minor L. P. Janeway 2015-6-29 11784 Yuba Northern High Sierra Nevada. Plumas National Forest; Weiss Hill Meadow, a large meadow 600 air-km east-southeast of junction of Weiss Hill Road and Forbestown Road; at the head of a minor northwestern tributary to New York Creek. 853 Comment
  CHSC71465  Brodiaea minor Lowell Ahart 1998-7-19 8046 Butte On the west side of Hurleton Swedes Flat Road, about 1 1/2 miles (air) south of Hurleton, about 11 miles (air) southeast of Oroville. 487 Comment
  CHSC91471  Brodiaea minor Lowell Ahart 2005-7-13 12145 Butte Ditch, about 20 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 748 Comment
  JEPS107547  Brodiaea minor Lowell Ahart 2005-7-13 12145 Butte Ditch, about 20 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville 748 Comment
  JEPS107977  Brodiaea minor Lowell Ahart 2005-7-13 12145 Butte Ditch, about 20 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville 748 Comment
  JEPS93812  Brodiaea minor Lowell Ahart 1998-7-19 8046 Butte on w side of Hurleton Swedes Flat Road about 1 1/2 air mi s of Hurleton (about 11 air mi se of Oroville); Hurleton Swedes Flat Road 487 Comment
  CHSC112681  Brodiaea sierrae Lowell Ahart 2013-7-1 18812 Butte Open disturbed area, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC115905  Brodiaea sierrae L. P. Janeway 2015-6-29 11785 Yuba Northern High Sierra Nevada. Plumas National Forest; Weiss Hill Meadow, a large meadow 600 air-km east-southeast of junction of Weiss Hill Road and Forbestown Road; at the head of a minor northwestern tributary to New York Creek. 853 Comment
  CHSC74031  Brodiaea sierrae B. Castro 1998-7-28 812 Butte Ca. 2 air mi W of Forbestown, ca. 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. Sunset Hill Meadow. 929 Comment
  CHSC91667  Brodiaea sierrae Lowell Ahart 2005-7-13 12152 Butte About 100 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 759 Comment
  JEPS120851  Brodiaea sierrae Lowell Ahart 2013-7-1 18812 Butte About 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown Comment
  CHSC44451  Bromus carinatus Lowell Ahart 1988-6-23 6073 Butte South of the intersection of Black Bart Road and Forbestown Road, about 1 miles west of Robinson Mill Road. 670 Comment
  CHSC61530  Bromus carinatus Lowell Ahart 1993-6-16 6964 Butte South-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown. 609 Comment
  CAS-BOT-BC149545  Bromus carinatus var. carinatus Lowell Ahart 1988-6-23 6073 Butte South of the intersection of Black Bart Road and Forbestown Mill Road. 670 Comment
  UC1609247  Bromus carinatus var. carinatus Lowell Ahart 1993-6-16 6964 Butte about 3 1/2 air mi sw of Forbestown (sw of intersection of Black Bart Road and Forbestown Road) 609 Comment
  CHSC98973  Bromus diandrus Lowell Ahart 2008-5-12 14742 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  JEPS114958  Bromus diandrus Lowell Ahart 2008-5-12 14742 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 258 Comment
  CHSC116499  Bromus japonicus Lowell Ahart; Susan Kephart, Jim Kephart 2015-6-4 20198 Butte Day Meadow, about 100 yards south of the poor dirt road, about 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. 829 Comment
  JEPS124414  Bromus japonicus Lowell Ahart, Susan Kephart, Jim Kephart 2015-6-4 20198 Yuba About 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. Comment
  CHSC115913  Bromus laevipes L. P. Janeway; Emily Meigs Doe 2015-5-28 11673 Butte Northern High Sierra Nevada. Plumas National Forest; northwest side of Lower Forbestown Road 0.6 road-km north-northeast of Ponderosa Way; 0.4 air-km northwest of Sunset Hill. 829 Comment
  CHSC61531  Bromus laevipes Lowell Ahart 1993-6-16 6967 Butte Along a dirt road, south-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown. 609 Comment
  RSA0112571  Bromus laevipes Lawrence P. Janeway, Emily M. Doe 2015-5-28 11673 Butte Northern High Sierra Nevada. Plumas National Forest; northwest side of Lower Forbestown Road 0.6 road-km north-northeast of Ponderosa Way; 0.4 air-km northwest of Sunset Hill. 829 Comment
  UC1609056  Bromus laevipes Lowell Ahart 1993-4-16 6967 Butte about 3 1/2 air mi sw of Forbestown (sw of intersection of Black Bart Road and Forbestown Road) 609 Comment
  CAS-BOT-BC162362  Bromus madritensis Lowell Ahart 1980-5-17 2291 Butte 0.5 mile southeast of Hurleton. 600 Comment
  CHSC99013  Bromus madritensis subsp. madritensis Lowell Ahart 2008-5-21 14777 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  CAS-BOT-BC161618  Bromus sterilis Lowell Ahart 1980-5-17 2292 Butte 0.5 mile southeast of Hurleton. 600 Comment
  CHSC78176  Bulbostylis capillaris Lowell Ahart 2000-6-6 8455 Butte On the bottom of an old gold mining pit, about 200 yards northwest of where the dirt road crosses oregon Gulch Creek, about 1/4 mile north of the cemetary, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville Dam. 304 Comment
  JEPS98571  Bulbostylis capillaris Lowell Ahart 2000-6-6 8455 Butte 5 mi(air)E of Oroville Dam (in tire ruts, bottom of old gold mining pit 200 yds NW of dirt road crossing Oregon Gulch creek, 1/4 mi N of cemetary, 1 1/2 mi S of Crystal Hill) 304 Comment
  CHSC98948  Calandrinia ciliata Lowell Ahart 2008-5-8 14719 Butte Below the high water line of Lake Oroville, about 300 yards south of the poor parking area, on the west side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  JEPS114726  Calandrinia ciliata Lowell Ahart 2008-5-8 14719 Butte Below the high water line of Lake Oroville, about 300 yards south of the poor parking area, on the west side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 259 Comment
  CHSC99478  Callitriche heterophylla var. heterophylla Lowell Ahart 2008-6-13 14829 Butte In shallow water, bottom of Oregon Gulch, bottom of an old gold mined area, about 400 yards southwest of the cemetery, about 10 miles (air) northeast of Oroville. 305 Comment
  CHSC57546  Calochortus albus Robert C. Hill 1990-4-12 15 Butte At intersection of McCabe Creek, Lumpkin Road, 1 mi s of South Fork Feather River, 13 mi e of Oroville. 396 Comment
  UC565379  Calochortus albus Helen Hedges 1937-5-22 Butte near Enterprise (Midas Mine); South Fork of the Feather River 396 Comment
  UC565380  Calochortus albus Helen Hedges 1937-5-19 Butte near Enterprise (Midas Mine); South Fork of the Feather River 396 Comment
  CHSC46427  Calochortus luteus Lowell Ahart 1989-5-28 6298 Butte South of Oregon Gulch Road, about 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC11053  Calochortus monophyllus Lowell Ahart 1966-3-13 Butte Near Enterprise. 182 Comment
  CHSC115498  Calochortus monophyllus L. P. Janeway 2015-3-16 11637 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way at Road 19N19, 1.0 road-km northwest of Lower Forbestown Road, just before the canyon becomes steep into South Fork Feather River arm of Lake Oroville. 747 Comment
  CHSC32089  Calochortus monophyllus L. Ahart 1976-4-15 1075 Yuba Near edge of rd to Brownsville Dump, Brownsville. 457 Comment
  CHSC32118  Calochortus monophyllus L. Ahart 1970-4-5 42 Butte Along Robinson Mill Rd. 457 Comment
  CHSC47586  Calochortus monophyllus Lowell Ahart 1980-5-4 2194 Butte About 1/2 mile east of the Oak Grove Cementery, about 1 mile south-east of Hurleton. 548 Comment
  UC565381  Calochortus monophyllus Helen Hedges 1937-5-22 Butte near Enterprise (Midas Mine); South Fork of the Feather River 396 Comment
  CHSC46428  Calochortus superbus Lowell Ahart 1989-5-28 6297 Butte South of Oregon Gulch Road, about 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CAS-BOT-BC270001  Calycadenia multiglandulosa Lewis S. Rose 1937-6-10 37358 Butte Hurleton 579 Comment
  CAS-BOT-BC270003  Calycadenia multiglandulosa Lowell Ahart 1980-7-4 2448 Butte Near Hurleton 600 Comment
  CDA42962  Calycadenia multiglandulosa L. Ahart 2013-7-1 18817 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. Comment
  CHSC112679  Calycadenia multiglandulosa Lowell Ahart 2013-7-1 18817 Butte Open disturbed area, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC34157  Calycadenia multiglandulosa Lowell Ahart 1981-8-31 3052 Butte S of the jct of Black Bart Rd and Oroville-Forbestown Rd, ca. 10 mi W of Forbestown. 750 Comment
  CHSC44853  Calycadenia multiglandulosa Lowell Ahart 1977-7-31 1503 Yuba Near the Brownsville airstrip, about 1 1/2 air miles southwest of Brownsville. 548 Comment
  CHSC46913  Calycadenia multiglandulosa Lowell Ahart 1980-7-4 2448 Butte Near the Oak Grove Cementery, about 1/2 mile southeast of Hurleton. 548 Comment
  CHSC48133  Calycadenia multiglandulosa Vernon H. Oswald 1985-6-15 1834 Butte Hurleton-Swedes Flat Rd. ca. 0.75 mi N of Swedes Flat Rd. 441 Comment
  HSC103922  Calycadenia multiglandulosa L. Ahart 2013-7-1 18817 Butte About 3.25 mi. (air) SW of Forbestown; ~150 yds, E of the intersection of Forbestown Rd. and Black Bart Rd. 738 Comment
  JEPS120843  Calycadenia multiglandulosa Lowell Ahart 2013-7-1 18817 Butte About 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  JEPS94774  Calycadenia multiglandulosa Lowell Ahart 1998-7-19 8047 Butte 1 1/2 air mi s of Hurleton (along Hurleton Swedes Flat Road about 11 air mi se of Oroville); Hurleton Swedes Flat Road 487 Comment
  RSA0037495  Calycadenia multiglandulosa Lowell A. Ahart 2013-7-1 18817 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  UCD169276  Calycadenia multiglandulosa Lowell Ahart 2013-7-1 18817 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  UCR51793  Calycadenia multiglandulosa Lowell Ahart, P. Ahart 1984-6-10 4687 Butte Sierra Nevada Mtns. Foothills, along edge of a new subdivision road 1 mile southeast of Hurleton; 1/12 mile east of Oak Grove Cemetery 500 Comment
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Oct 10 2010
  CAS-BOT-BC106076  Calycadenia oppositifolia David D. Keck 1930-7-25 975 Butte Hurleton, ten miles east of Oroville, on Forbestown Road, eastern Butte County. 487 Comment
  CAS-BOT-BC106077  Calycadenia oppositifolia A. A. Heller 1915-7-10 12075 Butte Sierra foothills 10 miles east of Oroville on open hills. Comment
  CAS-BOT-BC106078  Calycadenia oppositifolia A. A. Heller 1915-7-10 12075 Butte Sierra foothills 10 miles east of Oroville on open hills. Comment
  CAS-BOT-BC106125  Calycadenia oppositifolia David D. Keck 1930-7-25 975 Butte Hurleton, ten miles east of Oroville, on Forbestown Road, eastern Butte County. 487 Comment
  CHSC30940  Calycadenia oppositifolia L. Ahart 1980-7-4 2448 Butte Near the Oak Grove Cemetary, ca. 1/2 mi SE of Hurleton. 600 Comment
  GH414379  Calycadenia oppositifolia A. A. Heller 1915-7-10 12075 Unknown 10 miles east of Oroville Comment
  UC894256  Calycadenia oppositifolia A. A. Heller 1915-7-10 12075 Butte 10 mi e of, Oroville; Sierra foothills Comment
  UCD23262  Calycadenia spicata W. R. Powell 1968-5-17 1509 Butte 4 miles NNW of Rackerby along new Oro-Feather Falls Road. 548 Comment
  CHSC113156  Calycadenia truncata Lowell Ahart 2013-11-13 19254 Butte Between the road and the large cutbank, about 50 yards southeast of the Ponderosa Dam spillway. 299 Comment
  CHSC30945  Calycadenia truncata L. Ahart 1980-7-4 2449 Butte On a steep hillside ca. 1/2 mi SE of Hurleton. 600 Comment
  JEPS120621  Calycadenia truncata Lowell Ahart 2013-11-13 19254 Butte About 50 yards southeast of the Ponderosa Dam spillway. Comment
  RSA0118938  Calycadenia truncata Lowell Ahart 2013-11-13 19254 Butte Between the road and the large cutbank, about 50 yards southeast of the Ponderosa Dam spillway. 300 Comment
  CAS-BOT-BC275389  Calycadenia truncata var. truncata Lowell Ahart 1980-7-4 2449 Butte Near Hurleton 600 Comment
  CAS-BOT-BC90920  Calycanthus occidentalis Lowell Ahart 1981-7-7 2920 Butte About 0.5 mile west of the Oroville Forbestown Road on the Black Bart Road, west of Forbestown. 700 Comment
  CDA24457  Calycanthus occidentalis D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .256 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  CHSC116181  Camassia howellii Lowell Ahart 2015-6-16 20244 Yuba In a small meadow, near water ditch, about 100 yards south of the poor dirt road, about 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. 829 Comment
  CHSC116496  Camassia quamash subsp. breviflora Lowell Ahart; Susan Kephart, Jim Kephart 2015-6-4 20195 Butte Day Meadow, about 100 yards south of the poor dirt road, about 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. 829 Comment
  CHSC44446  Camassia quamash subsp. breviflora Lowell Ahart 1988-6-15 6038 Butte Small meadow north of Forbestown Road, about 1/12 mile east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  JEPS124108  Camassia quamash subsp. breviflora Lowell Ahart, Susan Kephart, Jim Kephart 2015-6-4 20195 Yuba About 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. Comment
  CHSC2404  Capsella bursa-pastoris R. Carter 1964-3-18 49 Butte 7 mi. E of Oroville at Woodleaf St. Rt. Box 6120 between house and barn. 121 Comment
  CAS-BOT-BC37882  Cardamine oligosperma Lowell Ahart 1980-3-26 2062 Butte Near Hurleton. 600 Comment
  CHSC38050  Cardamine oligosperma R. E. Preston 1983-2-7 379 Butte N side of McCabe's Creek. 371 Comment
  CHSC87200  Cardamine oligosperma Lowell Ahart 2004-3-26 10704 Butte On the south edge of the paved road, Hurleton Road, north of Forbestown Road, about 1/4 mile north of the Oak Grove Cemetery, about 2 miles southeast of Lake Wyandotte, about 10 miles east of Oroville. 502 Comment
  CHSC99310  Cardamine oligosperma Lowell Ahart 2008-5-21 14786 Butte Below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS105938  Cardamine oligosperma Lowell Ahart 2004-3-26 10704 Butte On the south edge of the paved road, Hurleton Road, north of Forbestown Road, about 1/4 mile north of the Oak Grove Cemetery, about 2 miles southeast of Lake Wyandotte, about 10 miles east of Oroville 502 Comment
  CHSC32119  Cardamine pachystigma L. Ahart 1975-4-1 735 Butte Along edge of rd, 2.5 mi s of Ponderosa Dam, n of Forbestown. 426 Comment
  CHSC70788  Cardamine pachystigma B. Castro 1995-5-9 566 Butte Ca 10 air mi E of Oroville, across Forbestown Road from jcn with road up to Sunset Hill Lookout. within 15 ft of S edge of Forbestown Rd. 990 Comment
  CHSC112785  Carex Lowell Ahart 2013-5-27 18710 Butte On both sides of the meadow, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 763 Comment
  JEPS120929  Carex Lowell Ahart 2013-5-27 18710 Butte About 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  SEINET10644206  Carex Lowell Ahart 2003-6-30 Ahart 10324 Butte T19N, R6E, northwest 1/4 Section 4. On the south side of Ponderosa Way, about 2 1/2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 578 Comment
  CHSC86862  Carex barbarae L. P. Janeway; Gavin Blosser 2003-4-23 7766 Butte Northern Sierra Nevada Foothills. South side of South Fork Feather River arm of Lake Oroville; between Stringtown Road and the lake; 1.9 km east of Stringtown Mountain. 305 Comment
  SEINET7551511 Image available Carex barbarae Unknown 2003-4-23 7766 Butte Northern Sierra Nevada Foothills. South side of South Fork Feather River arm of Lake Oroville; between Stringtown Road and the lake; 1.9 km east of Stringtown Mountain. Oroville Dam 7.5' quad. Comment
  CAS-BOT-BC19411  Carex bolanderi Lewis S. Rose 1937-6-10 37364 Butte Hurleton. 579 Comment
  CHSC84208  Carex bolanderi Lowell Ahart 2003-6-30 10324 Butte Along a small stream, on the south side of Ponderosa Way, about 2 1/2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 578 Comment
  CHSC98951  Carex bolanderi Lowell Ahart 2008-6-2 14806 Butte On the south side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown. 670 Comment
  JEPS104192  Carex bolanderi Lowell Ahart 2003-6-30 10324 Butte along a small stream, on S side of Ponderosa Way, about 2 /12 road mi SW of the Ponderosa Dam, about 2 air mi NW of Forbestown; Lat. 39 deg. 32' 15.3, Long. 121 deg. 18' 19.2 578 Comment
  JEPS114825  Carex bolanderi Lowell Ahart 2008-6-2 14806 Butte On the south side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown 670 Comment
  CAS-BOT-BC34949  Carex densa Lowell Ahart 1980-5-17 2309 Butte 0.5 mile SE of Hurleton. 600 Comment
  CHSC52855  Carex densa L. P. Janeway 1989-5-17 3245 Butte Along Lower Forbestown Rd 0.1 mi N of Forbestown Rd. 777 Comment
  CHSC99747  Carex densa Lowell Ahart 2008-6-13 14819 Butte East of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 311 Comment
  JEPS114978  Carex densa Lowell Ahart 2008-6-13 14819 Butte East of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 311 Comment
  UC827031  Carex deweyana subsp. leptopoda Lewis S. Rose 1937-6-10 37364 Butte Hurleton 579 Comment
  CAS-BOT-BC19995  Carex feta Lowell Ahart 1980-7-4 2464 Butte Along Forbestown Road. 750 Comment
  CHSC31139  Carex feta L. Ahart 1980-7-4 2464 Butte Small meadow near the jct of Forbestown Rd and Black Bart Rd, ca. 1 mi w of Robinson Mill Rd, w of Forbestown. 750 Comment
  CHSC44439  Carex feta Lowell Ahart 1988-6-23 6065 Butte In a small meadow, north of Forbestown Road, about 1/12 mile east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC99757  Carex feta Lowell Ahart 2008-6-13 14818 Butte East side of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 311 Comment
  JEPS114981  Carex feta Lowell Ahart 2008-6-13 14818 Butte East side of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 311 Comment
  CHSC48539  Carex gracilior L. P. Janeway 1989-5-17 3242 Butte In dry creek along Lower Forbestown Rd 0.1 mi N of Forbestown Rd. 777 Comment
  CHSC86534  Carex gracilior L. P. Janeway; John Hunt 2003-6-13 7829 Butte Northern High Sierra Nevada. North side of South Fork Feather River arm of Lake Oroville, 230 m north of the north end of En-terprise Bridge. Dirt roadside at intersection of Springer Road (Road 19N31X) and Feather Falls Road (Lumpkin Ridge Road). 305 Comment
  SEINET4292194 Image available Carex gracilior Unknown 2003-1 7829 Butte Northern High Sierra Nevada.North side of South Fork Feather River arm of Lake Oroville, 230 m north of the north end of Enterprise Bridge. Dirt roadside at intersection of Springeroad (Road X) and Feather Falls Road(Lumpkin Ridge Rd). Comment
  CAS-BOT-BC20459  Carex gynodynama Lowell Ahart 1980-7-4 2461 Butte Along Forbestown Road. 750 Comment
  CAS-BOT-BC28191  Carex hirtissima Lowell Ahart 1982-6-1 3529 Butte A little S of the intersection of Black Bart Road and forbestown Road, W of Forbestown. 750 Comment
  CHSC47057  Carex hirtissima L. P. Janeway 1989-5-17 3243 Butte Along edge of Lower Forbestown Rd (a dirt road) 0.1 mi N of Forbestown Rd. 798 Comment
  CHSC47058  Carex hirtissima L. P. Janeway 1989-5-17 3241 Butte Drying wet area along Forbestown Rd 9.2 mi E of Oroville-Quincy Hwy, and 0.1 mi W of Lower Forbestown Rd. 798 Comment
  CHSC63289  Carex hirtissima Lowell Ahart 1994-4-22 7288 Butte In a small dry mountain meadow, south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles south-west of Forbestown. 609 Comment
  CHSC74133  Carex hirtissima B. Castro 1998-6-18 794 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. 929 Comment
  JEPS87675  Carex hirtissima Lowell Ahart 1994-4-22 7288 Butte about 3 1/2 mi sw Forbestown (s of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  JEPS87676  Carex hirtissima Lowell Ahart 1994-4-22 7288 Butte about 3 1/2 mi sw Forbestown (s of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  JEPS95458  Carex hirtissima Lowell Ahart 1994-4-22 7288 Butte 3 1/2 mi SW of Forbestown (S of int of Black Bart Road and Forbestown Road) 609 Comment
  SEINET7561552 Image available Carex hirtissima M. J. Waterway, M. J. Lechowicz 1984-4-24 3068 c Butte Plumas National Forest, ca 2 mi W of Forbestown along Ponderosa Way, 0.3 mi N of jct with Lower Forbestown Road. Comment
  SEINET7561554 Image available Carex hirtissima M. J. Waterway, M. J. Lechowicz 1984-4-24 3069 D Butte Plumas National Forest, ca 2 mi W of Forbestown along Ponderosa Way, 0.3 mi N of jct with Lower Forbestown Road. Comment
  CHSC112441  Carex multicaulis Lowell Ahart 2013-5-27 18709 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 763 Comment
  JEPS120939  Carex multicaulis Lowell Ahart 2013-5-27 18709 Butte About 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  RSA0115349  Carex multicaulis Lowell A. Ahart 2013-5-27 18709 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3.25 miles (air) southwest of Forbestown. 764 Comment
  CHSC46420  Carex praegracilis Lowell Ahart 1989-5-28 6283 Butte In a mined over area south of Oregon Gulch Road, about 1/2 mile north of the Cemetery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC98986  Carex vulpinoidea Lowell Ahart 2008-6-2 14805 Butte Below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, about 50 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 243 Comment
  JEPS114822  Carex vulpinoidea Lowell Ahart 2008-6-2 14805 Butte Below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, about 50 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 243 Comment
  CAS-BOT-BC499133  Carex xerophila Peter F. Zika; L. P. Janeway 2012-5-16 25870 Yuba Ponderosa Way near LaPorte Road, picnic area N of airport, 2.7 air km WSW of Russ Hill, Brownsville 665 Comment
  CAS-BOT-BC499134  Carex xerophila Peter F. Zika; L. P. Janeway 2012-5-16 25871 Yuba Just E of junction of Jiggs Road and Ponderosa Way, 3 air km W of Ruff Hill, Brownsville 715 Comment
  CDA43057  Carex xerophila L. P. Janeway 2006-5-24 8619 Yuba Northern High Sierra Nevada Foothils.; East side of Ponderosa Way 1.3 km north of La Porte Road and Brownsville. Comment
  CHSC102953  Carex xerophila L. P. Janeway 2006-5-24 8616 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way 1.3 road km southeast of Robinson Mill Road; 1.3 km southeast of Robinson Mills and Forbestown Road. 771 Comment
  CHSC102954  Carex xerophila L. P. Janeway 2006-5-24 8619 Yuba Northern High Sierra Nevada Foothils. East side of Ponderosa Way 1.3 km north of La Porte Road and Brownsville. 686 Comment
  CHSC115874  Carex xerophila Peter F. Zika; L. P. Janeway 2012-5-16 25871 Yuba Just e of junction of Jiggs Road and Ponderosa Way, 3 air km W of Ruff Hill, Brownsville. 715 Comment
  HSC103678  Carex xerophila L. P. Janeway 2006-5-24 8616 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way, 1.3 road km. SE of Robinson Mill Road; 1.3 air km. SE of Robinson Mills & Forbestown Road. 771 Comment
  HSC104265  Carex xerophila P. F. Zika, L. P. Janeway 2012-5-16 25871 Yuba Northern Sierra Nevada Foothill/Highlands boundary; Brownsville, 3 air mi. W of Ruff Hill, just east of junction of Jiggs Rd. and Ponderosa Way 715 Comment
  JEPS122427  Carex xerophila Peter F. Zika with L. P. Janeway 2012-5-16 25871 Yuba Just E of junction of Jiggs Road and Ponderosa Way, 3 air km W of Ruff Hill, Brownsville. Northern Sierra Nevada Foothill/Highlands boundary (n SNF/H) Comment
  RSA0056156  Carex xerophila L. P. Janeway 2006-5-24 8619 Yuba Northern Sierra Nevada Foothills. East side of Ponderosa Way 1.3 km north of La Porte Road & Brownsville. 686 Comment
  RSA0056157  Carex xerophila L. P. Janeway 2006-5-24 8619 Yuba Northern Sierra Nevada Foothills. East side of Ponderosa Way 1.3 km north of La Porte Road & Brownsville. 686 Comment
  RSA0058984  Carex xerophila Peter F. Zika, L. P. Janeway 2012-5-16 25871 Yuba Just E of junction of Jiggs Road and Ponderosa Way, 3 air km W of Ruff Hill, Brownsville. Northern Sierra Nevada Foothill/Highlands boundary (n SNF/H). Adjacent to Brownsville dump. 715 Comment
  SD257103  Carex xerophila P. F. Zika, L. P. Janeway 2012-5-16 25871 Yuba Just E of junction of Jiggs Road and Ponderosa Way, 3.0 air km W of Ruff Hill, Brownsville. 715 Comment
  SEINET12650011 Image available Carex xerophila L. P. Janeway 2006-1 8616 Yuba 771 Comment
  SEINET13723627  Carex xerophila P. F. Zika, L. P. Janeway 2012-5-16 25871 Yuba foothill/highlands, just east of junction of Jiggs Road and Ponderosa Way, 3 air km west of Ruff Hill, Brownsville 715 Comment
  UCD168843  Carex xerophila Peter. F. Zika; L. P. Janeway 2012-5-16 25871 Yuba Northern Sierra Nevada Foothill/Highlands boundary (n SNF/H). Just E of junction of Jiggs Road and Ponderosa Way, 3 air km W of Ruff Hill, Brownsville. 715 Comment
  UCR261235  Carex xerophila Peter F. Zika, L. P. Janeway 2012-5-16 25871 Yuba Northern Sierra Nevada Range, foothill/highlands, just east of junction of Jiggs Road and Ponderosa Way, 3 air km west of Ruff Hill, Brownsvill 715 Comment
  CHSC43192  Castilleja applegatei subsp. pinetorum R. A. Schlising 1981-4-12 4026 Butte E of Oroville. 365 Comment
  CHSC50062  Castilleja attenuata Lowell Ahart 1990-4-15 6453 Butte Valley Tassels. Below the high water line of Lake Oroville, east ot the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 295 Comment
  CHSC98945  Castilleja attenuata Lowell Ahart 2008-5-8 14727 Butte Below the high water line of Lake Oroville, about 50 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  CDA41243  Castilleja lacera L. Ahart 2005-7-13 12146 Butte About 10 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. Comment
  CHSC115264  Castilleja lacera Lowell Ahart 2015-5-27 20193 Butte In a small dry meadow, about 100 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 miles (air) southwest of Forbestown, about 11 miles (air) east of Oroville. 752 Comment
  CHSC115321  Castilleja lacera Lowell Ahart 2015-4-18 20048 Butte On the west side of Robinson Mill Road, about 1 1/2 miles southwest of the intersection of Robinson Mills Road and Forbestown Road, about 12 miles (air) southeast of Oroville. 685 Comment
  CHSC43767  Castilleja lacera Vernon Oswald 1985-5-20 1767 Butte Robinson Mill Rd. 1.8 mi s of Forbestown Rd. 609 Comment
  CHSC44430  Castilleja lacera Lowell Ahart 1988-6-15 6040 Butte North of Forbestown Road, about 100 meters east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC52373  Castilleja lacera L. P. Janeway 1989-5-17 3259 Butte Large mdw at upper jct Black Bart Rd and Forbestown Rd. 746 Comment
  CHSC91456  Castilleja lacera Lowell Ahart 2005-7-13 12146 Butte About 10 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 759 Comment
  JEPS107548  Castilleja lacera Lowell Ahart 2005-7-13 12146 Butte About 10 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville 759 Comment
  JEPS123987  Castilleja lacera Lowell Ahart 2015-4-18 20048 Butte About 1 1/2 miles southwest of the intersection of Robinson Mill Road and Forbestown Road, about 12 miles (air) southeast of Oroville. Comment
  JEPS124106  Castilleja lacera Lowell Ahart 2015-5-27 20193 Butte About 100 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 miles (air) southwest of Forbestown, about 11 miles (air) east of Oroville. Comment
  JEPS4518  Castilleja lacera Rimo Bacigalupi and L. R. Heckard 1952-6-20 3754 Butte 3.0 mi e Hurlebut (along road between Hurlebut and Forbestown) 762 Comment
  JEPS80685  Castilleja lacera L. R. Heckard and T. I. Chuang 1981-6-11 5536 Butte 0.5 mi w Forbestown Road junction with Lumpkin Road (along Forbestown Road, ca 12 air mi e of Oroville) 609 Comment
  RSA0108969  Castilleja lacera Lowell A. Ahart 2015-4-18 20048 Butte On the west side of Robinson Mill Road, about 1.5 miles southwest of the intersection of Robinson Mill Road and Forbestown Road, about 12 miles (air) southeast of Oroville. 685 Comment
  RSA0117081  Castilleja lacera Lowell Ahart 2015-5-27 20193 Butte About 100 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 miles (air) southwest of Forbestown, about 11 miles (air) east of Oroville. 752 Comment
  UC1509663  Castilleja tenuis L. Ahart and P. Ahart 1983-6-12 4044 Butte ca 1 mi s Crystal Hill (n of Oregon Gulch, near Lake Oroville, ca 7 mi sw of Feather Falls) Comment
  CAS-BOT-BC48809  Ceanothus cuneatus Lowell Ahart 1980-3-26 2061 Butte Near Hurleton 600 Comment
  CAS-BOT-BC51150  Ceanothus lemmonii Lowell Ahart 1980-3-26 2064 Butte Near Hurleton. Foothill Woodland 600 Comment
  CHSC28969  Ceanothus lemmonii J. D. Jokerst; M. S. Taylor 1980-11-14 441 Butte Common along sides of Lumpkin Rd, ca 200 m N of its jct with MacCabes Cr. Comment
  CHSC31410  Ceanothus lemmonii Leslie Steidl 1980-4-10 14 Butte Ca. 17 mi ne of Oroville, ca. 2 yd e of Lumpkin Rd and 10 yd n of Mc Cabe Creek. SW1/4 of NE1/4 of NE1/4 of SE1/4. 390 Comment
  CHSC48834  Ceanothus lemmonii Vernon Oswald 1984-4-9 1119 Butte Jct. of Forbestown Rd. and Lumpkin Rd., ca. 10 mi e of Oroville. 548 Comment
  CHSC93933  Ceanothus lemmonii L. P. Janeway 2006-5-24 8610 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way 1.0 road km southeast of Robinson Mill Road; 1.2 air km southeast of Robinson Mills and Forbestown Road. 768 Comment
  RSA712847  Ceanothus lemmonii L. P. Janeway 2006-5-24 8610 Yuba Northern Sierra Nevada Foothills, along Ponderosa Way 1 road Km SE of Robinson Mill Road, 1.2 air km SE of Robbinson Mills and Forebestown road 768 Comment
  CHSC10678  Ceanothus oliganthus var. sorediatus Lowell Ahart 1965-4-15 Butte Robinson Mill Road. 60 Comment
  CHSC44892  Centaurea melitensis Lowell Ahart 1988-7-24 6129 Butte About 1/20 mile north-east of the intersection of Ponderosa Way and Lower Forbestown Road, west of Sunset Hill, near Forbestown. 731 Comment
  UC196282  Centaurea melitensis A. A. Heller 1914-7-13 1753 Butte 10 mi e of Oroville (Mt. Ida ranch) Comment
  CHSC30949  Centaurium tenuiflorum Lowell Ahart 1980-7-4 2451 Butte Near the Oak Grove Cemetary, ca. 1/2 mi se of Hurleton. 600 Comment
  CHSC61523  Cephalanthera austiniae Lowell Ahart 1993-6-16 6963 Butte South-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles (air) south-west of Forbestown. 609 Comment
  CHSC118501  Cerastium glomeratum L. P. Janeway 2016-5-9 11954 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19. 701 Comment
  CHSC98979  Cerastium glomeratum Lowell Ahart 2008-5-12 14751 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  JEPS114730  Cerastium glomeratum Lowell Ahart 2008-5-12 14751 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 258 Comment
  CHSC109567  Chamaebatia foliolosa L. P. Janeway 2012-6-27 10915 Butte Northern High Sierra Nevada. Near the top of Sunset Hill, just a little over the north side. Opening in mixed conifer forest. 1000 Comment
  CHSC115489  Chamaebatia foliolosa L. P. Janeway 2015-3-16 11640 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way at Road 19N19, 1.0 road-km northwest of Lower Forbestown Road, just before the canyon becomes steep into South Fork Feather River arm of Lake Oroville 747 Comment
  CHSC23406  Chamaebatia foliolosa M. S. Taylor 1976-3-6 1010 Butte Above Macabes Creek, ca. 1/4 mi e of Lumpkin Rd, ca. 1 mi ne of Forbestown Rd, ca. 12 mi e of Oroville. 1066 Comment
  CHSC28911  Chamaebatia foliolosa M. S. Taylor 1980-2-17 2363 Butte Along a dirt road in Yellow Pine Forest, ca. 1/4 mi sw of lover Forbestown Rd, ca. 3 mi w of Forbestown. 396 Comment
  CHSC48842  Chamaebatia foliolosa Vernon Oswald 1985-5-20 1773 Butte Forbestown Rd. 0.3 mi ne of Robinson Mill Rd. 822 Comment
  CHSC86856  Chamaebatia foliolosa L. P. Janeway; Gavin Blosser 2003-9-3 7973 Butte Northern High Sierra Nevada. Along southwest edge of Ponderosa Reservoir 180 m south of Ponderosa Dam (South Fork Feather River). 299 Comment
  CHSC113128  Chamaesyce maculata Lowell Ahart 2013-11-18 19276 Butte Below the high water line of Lake Oroville, about 200 yards northeast of the boat ramp at the end of Stringtown Road, on the north side of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  CHSC113145  Chamaesyce maculata Lowell Ahart 2013-11-13 19252 Butte Along road, about 100 yards west of the intersection of Sucker Run Road and Ponderosa Way, about 400 yards north of the Ponderosa Dam spillway. 299 Comment
  JEPS120594  Chamaesyce maculata Lowell Ahart 2013-11-18 19276 Butte Below the high-water line of Lake Oroville, about 200 yards northeast of the boat ramp at the end of Stringtown Road, on the north side of the road, about 2.5 air miles northeast of Hurleton. Comment
  JEPS120617  Chamaesyce maculata Lowell Ahart 2013-11-13 19252 Butte Along road, about 100 yards west of the intersection of Sucker Run Road and Ponderosa Way, about 400 yards north of the Ponderosa Dam spillway. Comment
  JEPS95154  Chamaesyce maculata Lowell Ahart 1997-10-24 7941 Butte about 20 yards n of South Fork of the Feather River (on the e side of Sucker Creek, strand of Lake Oroville, about 1/4 mi w of the Ponderosa Dam); e side of Sucker Creek 274 Comment
  JEPS95159  Chamaesyce maculata Lowell Ahart 1997-10-24 7941 Butte about 20 yards n of South Fork of the Feather River (on the e side of Sucker Creek, strand of Lake Oroville, about 1/4 mi w of the Ponderosa Dam); e side of Sucker Creek 274 Comment
  CHSC113132  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2013-11-18 19275 Butte Below the high water line of Lake Oroville, about 200 yards east of the boat ramp at the end of Stringtown Road, about 2 1/2 miles (air) northeast of Hurleton. 267 Comment
  CHSC50995  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 1990-7-4 6542 Butte Near McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  JEPS120607  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2013-11-13 19235 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  UC1562273  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 1990-7-4 6542 Butte 1/5 mi sw Enterprise Bridge (near McCabe Creek, below high water line); Lake Oroville 243 Comment
  CHSC113101  Chenopodium album Lowell Ahart 2013-11-18 19277 Butte Below the high water line of Lake Oroville, about 200 yards northeast of the boat ramp at the end of Stringtown Road, on the north side of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  JEPS121260  Chenopodium album Lowell Ahart 2013-11-18 19277 Butte Below the high water line of Lake Oroville, about 200 yards NE of the boat ramp at the end of Stringtown Road, on the N side of the road, about 2.5 air miles NE of Hurleton. Comment
  CDA43011  Chenopodium strictum var. glaucophyllum L. Ahart 2008-7-23 15147 Butte North edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. Comment
  CHSC99490  Chenopodium strictum var. glaucophyllum Lowell Ahart 2008-7-23 15147 Butte North edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS114681  Chenopodium strictum var. glaucophyllum Lowell Ahart 2008-7-23 15147 Butte N edge of the South Fork of the Feather River, about 10 yds E of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mi W of the Ponderosa Dam 258 Comment
  RSA0058878  Chenopodium strictum var. glaucophyllum Lowell A. Ahart 2008-7-23 15147 Butte On the north edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  CHSC91466  Chlorogalum pomeridianum var. pomeridianum Lowell Ahart 2005-7-13 12148 Butte About 20 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 759 Comment
  CDA20065  Chondrilla juncea E. Finley 2002-10-2 PDR 1035510 Butte Northern California; Lumpkin Rd near Enterprise Bridge. 0 Comment
  CDA7385  Chondrilla juncea L. Ahart 2003-7-1 10372 Butte On the north slope of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. Comment
  CHSC82642  Chondrilla juncea Lowell Ahart 2002-7-18 9875 Butte On the west edge of Lumpkin Road, about 1/8 mile south of the Enterprise Bridge across Lake Oroville, about 11 1/2 miles (air) northeast of Oroville. Comment
  CHSC84240  Chondrilla juncea Lowell Ahart 2003-7-10 10372 Butte On the north slope of Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 296 Comment
  CHSC99754  Chondrilla juncea Lowell Ahart 2008-7-23 15151 Butte On the north side of Ponderosa Way, north of the waterfall, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown. 482 Comment
  HSC97883  Chondrilla juncea L. Ahart 2003-7-10 10372 Butte N slope of Ponderosa Dam, about 2 mi. (air) NW of Forbestown 297 Comment
  JEPS103563  Chondrilla juncea Lowell Ahart 2002-7-18 9875 Butte On the W edge of Lumpkin Road, ca 1/8 mile S of the Enterprise Bridge across Lake Oroville, ca 11 1/2 miles (air) NE of Oroville. 326 Comment
  JEPS104397  Chondrilla juncea Lowell Ahart 2003-7-10 10372 Butte On the n slope of Ponderosa Dam, ca 2 mi (air) nw of Forbestown. 296 Comment
  JEPS114776  Chondrilla juncea Lowell Ahart 2008-7-23 15151 Butte On the north side of Ponderosa Way, north of the waterfall, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown 482 Comment
  RSA0058881  Chondrilla juncea Lowell A. Ahart 2008-7-23 15151 Butte On the north side of Ponderosa Way, north of the water fall, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles(air) northwest of Forbestown. 483 Comment
  CHSC50679  Chorizanthe membranacea Lowell Ahart 1990-5-25 6479 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 271 Comment
  UC1562426  Chorizanthe membranacea Lowell Ahart 1990-5-25 6479 Butte about 1/8 mi nw Enterprise Bridge (across Lake Oroville, below high water line Lake Oroville, e of Enterprise Boat Launch Area); Lake Oroville 271 Comment
  SEINET7073612  Clarkia affinis A. G. Vestal 1955-5-21 s.n. Butte About 13 miles east of Oroville on the Black Bart Road. UTM Zone 10, 642818mE, 4373333mN. Coordinate datum: NAD27. Comment
  CHSC62766  Clarkia biloba subsp. brandegeeae L. P. Janeway; Gail Kuenster, Perrie Cobb, Justine Biddison 1993-5-25 4354 Butte Plumas National Forest. 0.1 mi west of the south end of Ponderosa Dam; South Fork Feather River. Adjacent to dirt road and on the road cutbank. 298 Comment
  CHSC89904  Clarkia biloba subsp. brandegeeae N. L. Jurjavcic; M. K. Hayden 2004-6-9 Butte Northern Sierra Nevada Foothills. Located along the access roadside adjacent to Miners Ranch Canal, near Ponderosa Dam. 304 Comment
  CHSC89905  Clarkia biloba subsp. brandegeeae N. L. Jurjavcic; M. K. Hayden 2004-6-9 Butte Northern Sierra Nevada Foothills. Located along the access roadside adjacent to Miners Ranch Canal, near Ponderosa Dam. 304 Comment
  CHSC99307  Clarkia biloba subsp. brandegeeae Lowell Ahart 2008-5-21 14789 Butte Below the high water line of Lake Oroville, on the steep east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  UCD104329  Clarkia biloba subsp. brandegeeae L. P. Janeway 1993-9-20 4589 Butte Near Ponderosa Dam, South Fork Feather River. Comment
  UCD21834  Clarkia biloba subsp. brandegeeae L. P. Janeway 1993-9-20 4589 Butte Near Ponderosa Dam, South Fork Feather River. Comment
  CHSC30014  Clarkia concinna subsp. concinna L. Ahart 1980-5-25 2341 Butte Near the edge of Ponderosa Way, ca. 2 mi s of the Ponderosa Dam, near Forbestown. 600 Comment
  CHSC2466  Clarkia gracilis subsp. gracilis R. Carter 1964-6-4 108 Butte 8 mi. E of Oroville at 6120 Woodleaf St. Rt. on W side of driveway. 121 Comment
  CHSC29983  Clarkia gracilis subsp. gracilis Lowell Ahart 1980-5-17 2286 Butte By a small wash E of the Oak Grove Cemetery, ca. .5 mi SE of Hurleton. 600 Comment
  CAS-BOT-BC163358  Clarkia mosquinii Lowell Ahart 1984-6-8 4663 Butte At the little building at the Ponderosa Dam, about 2 miles north-west of Forbestown 370 Comment
  CHSC46134  Clarkia mosquinii Lowell Ahart 1984-6-8 4663 Butte In the cutbank at the little building at the Ponderosa Dam, about 2 air miles north-west of Forbestown. 335 Comment
  CHSC70735  Clarkia mosquinii L. P. Janeway 1993-6-15 4386 Butte Southwest side of Ponderosa Dam on South Fork Feather River; along access road about 50 ft west of the dam. North-facing road cutbank. 298 Comment
  CHSC84165  Clarkia mosquinii Lowell Ahart 2003-6-30 10327 Butte Near the small stream, on the west side of Ponderosa Way, about 2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 490 Comment
  CHSC89903  Clarkia mosquinii N. L. Jurjavcic; M. K. Hayden 2004-6-9 Butte Northern Sierra Nevada Foothills. Located along Miners Ranch Canal, situated on a bank, adjacent to the roadside. 304 Comment
  CHSC89908  Clarkia mosquinii N. L. Jurjavcic; M. K. Hayden 2004-6-10 Butte Northern Sierra Nevada Foothills. Along roadside leading across Ponderosa Dam. 304 Comment
  JEPS104270  Clarkia mosquinii Lowell Ahart 2003-6-30 10327 Butte Near the small stream, on the w side of Ponderosa Way, ca 2 mi (by road) sw of the Ponderosa Dam, ca 2 mi (air) nw of Forbestown. 490 Comment
  LA206068  Clarkia mosquinii Robert G. Engman; 1959-7-2 3336 Butte 0.2 mi W of Enterprise, along highway Comment
  LA91997  Clarkia mosquinii T. Mosquin; 1959-7-2 3336 Butte 0.2 mi W of Enterprise, along highway Comment
  UC1461633  Clarkia mosquinii E. Small 1967-7-19 178 Butte 0.2 mi e Enterprise (along rd to Oroville; site inundated by Oroville Res. in 1968, 1.2 mi w of South Fork Bridge, S. Fork Feather River) 182 Comment
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Jul 17 2013
  CHSC93157  Clarkia rhomboidea L. P. Janeway; Gail Kuenster, Perrie Cobb, Justine Biddison 1993-5-25 4355 Butte Northern Sierra Nevada Foothills. About 2.2 mi northeast of Lake Wyandotte; along Stringtown Road 1.3 mi northeast of the saddle where the road starts down to Lake Oroville. South-facing bank on outside curve of the road. 381 Comment
  CHSC31195  Claytonia parviflora subsp. parviflora M. S. Taylor 1980-3-19 2392 Butte Macabes Creek Canyon, in very wet shady areas under tress, in moss over rocks by the creek, ca. 100 ft e of Lumpkin Rd, ca. 2.5 mi ne of its jct with Forbestown Rd, ca. 18 mi ne of Oroville. 396 Comment
  CHSC98971  Claytonia parviflora subsp. parviflora Lowell Ahart 2008-5-8 14718 Butte Below the high water line of Lake Oroville, about 300 yards south of the poor parking area, on the west side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  JEPS114966  Claytonia parviflora subsp. parviflora Lowell Ahart 2008-5-8 14718 Butte Below the high water line of Lake Oroville, about 300 yards south of the poor parking area, on the west side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 259 Comment
  RSA754940  Claytonia parviflora subsp. parviflora L. Ahart 2008-5-8 14718 Butte Lake Oroville, about 250-300 yards south of the poor parking area, on the west side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 air miles east of Oroville. 260 Comment
  CAS-BOT-BC440031  Claytonia perfoliata subsp. perfoliata Lowell Ahart 1980-5-17 2276 Butte 1/2 mile south-east of Hurleton. 600 Comment
  CHSC98972  Claytonia rubra subsp. rubra Lowell Ahart 2008-5-12 14758 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  JEPS114738  Claytonia rubra subsp. rubra Lowell Ahart 2008-5-12 14758 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 258 Comment
  CAS-BOT-BC286066  Conyza canadensis Lowell Ahart 1986-10-16 5407 Butte Near the Enterprise Launch Area parking lot, near Lake Oroville, about 1/4 mile south-west of Lumpkin Road, north-east of Oroville 292 Comment
  CDA38806  Cordylanthus pilosus subsp. hansenii L. Ahart 2010-9-12 17150 Butte Just above the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 1/4 mile (air) northwest of the Ponderosa Dam. Comment
  CHSC105792  Cordylanthus pilosus subsp. hansenii Lowell Ahart 2010-9-12 17150 Butte Below the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 1/4 mile (air) northwest of the Ponderosa Dam. 243 Comment
  JEPS117532  Cordylanthus pilosus subsp. hansenii Lowell Ahart 2010-9-12 17150 Butte Below the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 1/4 mile (air) northwest of the Ponderosa Dam 243 Comment
  RSA794969  Cordylanthus pilosus subsp. hansenii L. Ahart 2010-9-12 17150 Butte Just above the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 0.25 air miles northwest of the Ponderosa Dam. 243 Comment
  CHSC30950  Cordylanthus pilosus subsp. trifidus L. Ahart 1980-7-4 2450 Butte Ca. 1/2 mi se of the Oak Grove Cemetary, ca. 1 mi se of Hurleton. 600 Comment
  CHSC51013  Cordylanthus pilosus subsp. trifidus Lowell Ahart 1990-8-15 6590 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/2 mile north-west of the Enterprise Bridge across Lake Oroville. 274 Comment
  UC1562383  Cordylanthus pilosus subsp. trifidus Lowell Ahart 1990-8-15 6590 Butte 0.5 mi nw Enterprise Bridge (across Lake Oroville, e of Enterprise Boat Launch Area); Lake Oroville, Trifid Bird's Beak 274 Comment
  CHSC51014  Cordylanthus pilosus var. tenuis Lowell Ahart 1990-8-15 6589 Butte On the east side of the Enterprise Boat Launch Area Parking area, about 1/2 miles north-west of the Enterprise Bridge across Lake Oroville. 335 Comment
  UCD123122  Cordylanthus tenuis Barbara L. Wilson; Richard Brainerd, Lawrence Janeway, Barbara Castro 2010-8-7 16244 Butte Forbestown Road. 806 Comment
  CHSC105592  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd, Lawrence Janeway, Barbara Cas 2010-8-7 16244 Butte Forbestown Road. Label says Lat. and Long. indicated +/- 36 feet. 806 Comment
  UC1562384  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1990-8-15 6589 Butte about 1/2 mi nw Enterprise Bridge across Lake Oroville (on e side of Enterprise Boat Launch parking area) 335 Comment
  CHSC39062  Cordylanthus tenuis subsp. viscidus R. A. Schlising; R. Banchero, A. Ratcliff 1980-9-6 3984 Butte NE of Oroville, about 5 miles SW village of Feather Falls. Comment
  CHSC63246  Cornus glabrata Lowell Ahart 1994-6-5 7310 Butte In a small mountain meadow, south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles south-west of Forbestown. 609 Comment
  JEPS88910  Cornus glabrata Lowell Ahart 1994-6-5 7310 Butte ca. 3 1/2 mi. s.w. Forbestown (s. of intersection of Black Bart Rd. & Forbestown Rd.) 609 Comment
  JEPS88911  Cornus glabrata Lowell Ahart 1994-6-5 7310 Butte ca. 3 1/2 mi. s.w. Forbestown (s. of intersection of Black Bart Rd. & Forbestown Rd.) 609 Comment
  CHSC40898  Crassula saginoides Lowell Ahart 1985-11-5 5227 Butte Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek flows into the river, about 1/2 mile west of the Ponderosa Dam. 274 Comment
  CHSC50036  Crassula tillaea Lowell Ahart 1990-1-17 6407 Butte East of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 301 Comment
  CHSC62453  Croton setiger L. P. Janeway 1993-9-7 4584 Butte Plumas National Forest. About 300 ft west of the south end of Ponderosa Dam. Along the edge of the dirt road. 298 Comment
  CHSC91472  Croton setiger Lowell Ahart 2005-7-13 12153 Butte About 100 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 759 Comment
  CHSC116986  Crucianella angustifolia Lowell Ahart 2016-6-4 20920 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. 387 Comment
  CHSC118498  Crucianella angustifolia L. P. Janeway 2016-5-9 11953 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of junction of Ponderosa Way and Road 19N19. 701 Comment
  CHSC51010  Crucianella angustifolia Lowell Ahart 1990-7-4 6550 Butte About 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  JEPS127020  Crucianella angustifolia Lowell Ahart 2016-6-4 20920 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. Comment
  JEPS80687  Crucianella angustifolia L. R. Heckard and T. I. Chuang 1981-6-11 5538 Butte ca 12 air mi e Oroville (along Forbestown Road 0.5 mi w of Lumpkin Road junction) 609 Comment
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Dec 21 2012
  JEPS94434  Crypsis schoenoides Lowell Ahart 1997-10-24 7940 Butte about 20 yards n of the South Fork of the Feather River (and on the e side of Sucker Creek, strand of Lake Oroville, about 1/4 mi w of the Ponderoas Dam); Sucker Creek, strand of Lake Oroville 274 Comment
  CHSC51031  Crypsis vaginiflora Lowell Ahart 1990-8-15 6579 Butte Near McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC78127  Cryptantha flaccida Lowell Ahart 2000-6-6 8452 Butte On the bottom of an old gold mining pit, east of where the dirt road crosses Oregon Gulch creek, about 1/4 mile northeast of the cemetery, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville Dam. 304 Comment
  JEPS98573  Cryptantha flaccida Lowell Ahart 2000-6-6 8452 Butte 5 mi (air) E of Oroville Dam (bottom of old gold mining pit, E of where dirt road crosses Oregon Gulch creek, 1/4 mi NE of cemetary, 1 1/2 mi S of Crystal Hill) 304 Comment
  SD122568  Cryptantha flaccida Lowell Ahart 1984-6-8 4668 Butte At the Ponderosa Dam, ca. 2 miles northwest of Forbestown 370 Comment
  CHSC40753  Cryptantha intermedia Lowell Ahart 1985-5-31 5030 Butte About 5 feet below the high water line of Lake Oroville, 1/8 mile east of the Enterprise Boat Launch Aream about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville. 274 Comment
  CHSC51257  Cucumis melo Lowell Ahart 1990-10-5 6629 Butte On the bottom of McCabe Creek, below the high water line of Lake Oroville, about 1/4 mile south-west of the Enterprise Bidge across Lake Oroville. 228 Comment
  UC1563267  Cucumis melo Lowell Ahart 1990-5-10 6629 Butte about 1/4 mi south west of Enterprise Bridge across Lake Oroville (McCabe Creek); , McCabe Creek 228 Comment
  CHSC43501  Cupressus macnabiana Lowell Ahart 1969-1-25 24 Yuba Near the Brownsville dump, about 2 miles west of Brownsville. 609 Comment
  CHSC45836  Cupressus macnabiana Lowell Ahart 1970-7-1 58 Yuba Near the Brownsville dump, about 2 miles west of Brownsville. 609 Comment
  UC1134222  Cupressus macnabiana H. A. Jensen 1933-12-15 369 Butte 1 mi sw Brownsville; Smartsville Quadrangle Comment
  UCD110802  Cupressus macnabiana Christopher Mallek 2008-1 s.n. Yuba Daken Flat. 675 Comment
  JEPS93811  Cuscuta californica Lowell Ahart 1998-7-19 8048 Butte along Hurleton Swedes Flat Road 1 1/2 air mi s of Hurleton (about 11 air mi se of Oroville); Hurleton Swedes Flat Road 487 Comment
  CHSC112734  Cuscuta campestris Lowell Ahart 2013-11-17 19270 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  JEPS120643  Cuscuta campestris Lowell Ahart 2013-11-13 19270 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, along the sides of Sucker Creek, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. Comment
  RSA0037106  Cuscuta campestris Lowell A. Ahart 2013-11-17 19270 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC47674  Cuscuta subinclusa Lowell Ahart 1989-9-3 6386 Yuba On the west side of Ponderosa Way, west of the Brownsville Dump, about 1 mile south-west of Brownsville. 609 Comment
  CHSC113125  Cynodon dactylon Lowell Ahart 2013-11-18 19284 Butte Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  CHSC2424  Cynoglossum grande R. Carter 1965-3-15 166 Butte Found on bank above road on SE corner of intersection of Oroville-Forbestown Rd. and Swedes Flat Rd. ca. 10.5 mi. E of Oroville. 502 Comment
  CHSC84153  Cyperus eragrostis Lowell Ahart 2003-6-30 10329 Butte Near the small stream, on the west side of Ponderosa Way, about 1 1/2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 404 Comment
  JEPS104074  Cyperus eragrostis Lowell Ahart 2003-6-30 10329 Butte Near the small stream, on the w side of Ponderosa Way, ca 1 1/2 mi (by road) sw of the Ponderosa Dam, ca 2 mi (air) nw of Forbestown. 404 Comment
  CHSC113130  Cyperus erythrorhizos Lowell Ahart 2013-11-17 19267 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 of a mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC51020  Cyperus erythrorhizos Lowell Ahart 1990-8-15 6587 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 228 Comment
  UC1562493  Cyperus erythrorhizos Lowell Ahart 1990-8-15 6587 Butte ca. 1/2 mi. s.w. of Enterprise Bridge across Lake Oroville (along McCabe Creek); McCabe Creek 228 Comment
  CHSC31451  Cyperus niger L. Ahart 1980-7-29 2511 Butte In the gutter along Lower Forbestown Rd or Ponderosa Way, ca. 1/4 mi n of the jct of Forbestown Rd and Robinson Mill Rd, w of Forbestown. 750 Comment
  CAS-BOT-BC114073  Cyperus squarrosus Lowell Ahart 1989-5-28 6284 Butte South of Oregon Gulch Road, ca. 1/2 mi N of the Cementery, 335 Comment
  CHSC31459  Cyperus squarrosus L. Ahart 1980-7-29 2513 Butte In the gutter along Lower Forbestown Rd or Ponderosa Way, ca. 1/4 mi n of the jct of Forbestown Rd and Robinson Mill Rd, w of Forbestown. 750 Comment
  CHSC46421  Cyperus squarrosus Lowell Ahart 1989-5-28 6284 Butte Large meadow, in a mined over area south of Oregon Gulch Road, about 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC51018  Cyperus squarrosus Lowell Ahart 1990-7-15 6563 Butte Along a small stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC99002  Cyperus squarrosus Lowell Ahart 2008-5-30 14797 Butte Dry to damp granite soil, small meadow, bottom of an old gold mined area, about 150 yeards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  JEPS114367  Cyperus squarrosus Lowell Ahart 2008-5-30 14797 Butte Dry to damp granite soil, small meadow, bottom of an old gold mined area, about 150 yeards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 305 Comment
  CHSC28890  Cystopteris fragilis M. S. Taylor 1980-2-17 2357 Butte Ca. 1/4 mi sw of lower Forbestown Rd, ca. 3 mi w of Forbestown. 396 Comment
  CHSC28891  Cystopteris fragilis M. S. Taylor 1980-2-17 2365 Butte Ca. 1/2 mi sw of lower Forbestown Rd, ca. 3 mi w of Forbestown. 396 Comment
  CHSC57332  Cystopteris fragilis Robert C. Hill 1990-4-10 6 Butte At intersection of McCabe Creek, Lumpkin Road, 1 mi s of South Fork Feather River, 13 mi e of Oroville. 396 Comment
  CAS-BOT-BC201006  Cytisus scoparius Lowell Ahart 1980-5-25 2333 Butte Near Old Forbestown 1000 Comment
  CAS-BOT-BC189895  Danthonia californica Lowell Ahart 1980-5-17 2288 Butte 0.5 mile southeast of Hurleton. 600 Comment
  CHSC112439  Danthonia californica Lowell Ahart 2013-6-11 18801 Butte About 30 yards west of a wet meadow, about 40 yards north of Forbestown Road, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  JEPS120989  Danthonia californica Lowell Ahart 2013-6-11 18801 Butte About 30 yards W of a wet meadow, about 40 yards N of Forbestown Road, about 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  CHSC74039  Danthonia californica var. americana B. Castro 1998-7-8 802 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. Meadow at end of old dirt rd at E edge of old homestead site. 929 Comment
  CHSC95029  Danthonia californica var. americana L. P. Janeway 2006-5-24 8615 Yuba Northern High Sierra Nevada Foothills. Along Ponderosa Way 1.3 road km southeast of Robinson Mill Road; 1.3 air km southeast of Robinson Mills and Forbestown Road. Moderate slope, south-facing. 771 Comment
  CHSC95035  Danthonia californica var. americana L. P. Janeway 2006-5-24 8620 Yuba Northern High Sierra Nevada Foothills. East side of Ponderosa Way 1.3 km north of La Porte Road and Brownsville. 686 Comment
  RSA712852  Danthonia californica var. americana L. P. Janeway 2006-5-24 8615 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way 1.3 road km southeast of Robinson Mill Road; 1.3 air km southeast of Robinson Mills & Forbestown Road. 235 Comment
  CHSC30037  Danthonia unispicata L. Ahart 1980-5-17 2288 Butte Ca. 1/8 mi se of Oak Grove Cemetary, ca. 1/2 mi se of Hurleton. 600 Comment
  CHSC29002  Darmera peltata M. S. Taylor 1980-3-19 2387 Butte In Macabes Creek, in Macabes Creek Canyon, ca. 100 ft e of Lumpkin Rd, ca. 2 1/2 mi n of its jct with Forbestown Rd, ca. 18 mi ne of Oroville. 396 Comment
  CHSC113117  Datura stramonium var. stramonium Lowell Ahart 2013-11-18 19278 Butte Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  JEPS120582  Datura stramonium var. stramonium Lowell Ahart 2013-11-18 19278 Butte Below the high-water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2.5 air miles northeast of Hurleton. Comment
  CHSC117001  Daucus pusillus Lowell Ahart 2016-6-4 20919 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. 387 Comment
  JEPS127023  Daucus pusillus Lowell Ahart 2016-6-4 20919 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. Comment
  CHSC30032  Delphinium gracilentum L. Ahart 1980-5-25 2337 Butte Near the intersection of Forbestown Rd and Ponderosa Way, near Old Forbestown. 1000 Comment
  CAS-BOT-BC8797  Delphinium gracilentum f. versicolor Lowell Ahart 1980-5-25 2337 Butte Near Old Forbestown 1000 Comment
  CHSC45418  Delphinium patens Lowell Ahart 1980-5-4 2200 Butte About 1/2 mile east of the Oak Grove Cementery, about 1 mile south-east of Hurleton. Comment
  CHSC31340  Delphinium patens subsp. patens Herb Allan McLane 1980-4-23 6 Butte 1.2 mi sw of Ponderosa Dam, se of trail, Plumas National Forest. 426 Comment
  CAS-BOT-BC16982  Delphinium variegatum subsp. variegatum Lowell Ahart 1980-5-17 2297 Butte 1/2 mile south-east of Hurleton. 600 Comment
  CHSC636  Dicentra formosa R. M. Staley 1952-7-13 Butte Ponderosa Way. 609 Comment
  UC843594  Dichelostemma multiflorum Lewis S. Rose 1937-6-10 37353 Butte Hurleton 579 Comment
  CHSC112741  Digitaria sanguinalis Lowell Ahart 2013-11-17 19268 Butte Steep hillside, about 60 yards east of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC50704  Digitaria sanguinalis Lowell Ahart 1990-6-16 6519 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  JEPS95081  Digitaria sanguinalis Lowell Ahart 1997-10-24 7938 Butte about 1/4 mi w of Ponderosa Dam (about 20 yards n of the South Fork of the Feather River and on w side of Sucker Creek, strand of Lake Oroville); Sucker Creek 274 Comment
  JEPS95157  Digitaria sanguinalis Lowell Ahart 1997-10-24 7938 Butte about 1/4 mi w of Ponderosa Dam (about 20 yards n of the South Fork of the Feather River and on w side of Sucker Creek, strand of Lake Oroville); Sucker Creek 274 Comment
  CHSC33585  Diplacus grandiflorus M. S. Taylor 1981-5-5 3599 Butte E side of Lumpkin-La Porte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 air mi e of Oroville. 457 Comment
  CHSC44812  Diplacus grandiflorus R. Banchero 1980-4-19 122 Butte Along Lumpkin Rd ca 1.1 mi NE of the Enterprise Bridge, ca 0.3 mi from the jct of Lumpkin and Enterprise Rds. 353 Comment
  CHSC44813  Diplacus grandiflorus R. Banchero 1980-4-19 123 Butte Along Lumpkin Rd ca 1.9 mi S of the Enterprise Bridge, 2.0 mi NE of its jct with Forbestown Rd. 390 Comment
  CHSC43186  Diplacus kelloggii Leslie Steidl 1980-4-1 7 Butte On n side of Craig Access Rd, 2 mi nnw of Lumpkin Rd at boundary of State Park, ca. 18 mi e of Oroville. 316 Comment
  CHSC46409  Diplacus layneae Lowell Ahart 1989-5-28 6292 Butte South of Oregon Gulch Road, about 1/2 mile north of the Cemetery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC31198  Dodecatheon hendersonii M. S. Taylor 1980-2-17 2358 Butte Along a dirt road, ca. 1/4 mi sw of Lower Forbestown Rd, ca. 3 mi w of Forbestown. 396 Comment
  CHSC31199  Dodecatheon hendersonii M. S. Taylor 1980-3-19 2395 Butte Macabes Creek Canyon, ca. 100 ft e of Lumpkin Rd, ca. 2.5 mi n of its jct with Forbestown Rd, ca. 18 mi ne of Oroville. Comment
  CHSC31413  Dodecatheon hendersonii Herb Allan McLane 1980-3-3 1 Butte Plumas National Forest, MDM, 1 mi sw of Ponderosa Dam. 402 Comment
  CHSC67292  Dodecatheon hendersonii James D. Jokerst 1984-3-20 1948 Butte Ca. 10 mi E of Oroville on the E side of Grand Oak Rd., 0.35 mi E of Hurleton-Swedes Flat Rd., just beyond Oak Cemetary. Comment
  CDA6216  Draba verna var. aestivalis L. Ahart 2004-3-26 10705 Butte Hurleton Road, north of Forbestown Road, about 1/4 mile north of the Oak Grove Cemetery, about 2 miles southeast of Lake Wyandotte, about 10 miles east of Oroville. Comment
  CHSC87199  Draba verna var. aestivalis Lowell Ahart 2004-3-26 10705 Butte On the south edge of the paved road, Hurleton Road, north of Forbestown Road, about 1/4 mile north of the Oak Grove Cemetery, about 2 miles southeast of Lake Wyandotte, about 10 miles east of Oroville. 502 Comment
  JEPS106044  Draba verna var. aestivalis Lowell Ahart 2004-3-26 10705 Butte On the south edge of the paved road, Hurleton Road, north of Forbestown Road, about 1/4 mile north of the Oak Grove Cemetery, about 2 miles southeast of Lake Wyandotte, about 10 miles east of Oroville 502 Comment
  CHSC23407  Dryopteris arguta M. S. Taylor; L. Gut 1976-3-6 1012 Butte Along Macabes Creek, ca. 100 yds e of Lumpkin Rd, ca. 1 mi ne of Forbestown Rd, ca. 12 mi e of Oroville. 1066 Comment
  CHSC28884  Dryopteris arguta M. S. Taylor 1980-2-17 2355 Butte On s side of lower Forbestown Rd, ca. 3 mi w of Forbestown. 609 Comment
  CHSC84156  Dryopteris arguta Lowell Ahart 2003-6-30 10326 Butte Near the small stream, on the south side of Ponderosa Way, about 2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 490 Comment
  CHSC90204  Dryopteris arguta Lowell Ahart 2005-1-20 11473 Butte On the west side of McCabe Creek, above the high water line of Lake Oroville, about 1/4 mile south of the siphon, about 3 miles (air) northeast of Hurleton, about 7 miles (air) east of Oroville Dam. 304 Comment
  JEPS104145  Dryopteris arguta Lowell Ahart 2003-6-30 10326 Butte Near the small stream, on the south side of Ponderosa Way, ca 2 mi (by road) sw of the Ponderosa Dam, ca 2 mi (air) nw of Forbestown. 490 Comment
  JEPS107674  Dryopteris arguta Lowell Ahart 2005-1-20 11473 Butte On the west side of McCabe Creek, above the high water line of Lake Oroville, about 1/4 mile south of the siphon, about 3 miles (air) northeast of Hurleton, about 7 miles (air) east of Oroville Dam 304 Comment
  RSA715710  Dryopteris arguta L. Ahart 2005-1-20 11473 Butte West side of McCabe Creek, above the high water mark of Lake Oroville, about 1/4 mile soutj of the siphon. about 3 mi northeast of Hurleton, about 7 mi east of Oroville Dam. 305 Comment
  CHSC112740  Dysphania ambrosioides Lowell Ahart 2013-11-17 19266 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC113124  Dysphania ambrosioides Lowell Ahart 2013-11-18 19274 Butte Below the high water line of Lake Oroville, about 200 yards northeast of the boat ramp at the end of Stringtown Road, on the north side of the road, about 2 1/2 miles (air) northeast of Hurleton. 267 Comment
  JEPS120589  Dysphania ambrosioides Lowell Ahart 2013-11-18 19274 Butte Below the high-water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, on the north side of the road, about 2.5 air miles northeast of Hurleton. Comment
  JEPS120596  Dysphania ambrosioides Lowell Ahart 2013-11-17 19266 Butte McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville. Comment
  CHSC113123  Dysphania botrys Lowell Ahart 2013-11-18 19273 Butte Below the high water line of Lake Oroville, about 200 yards northeast of the boat ramp at the end of Stringtown Road, on the north side of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  CHSC62446  Dysphania botrys L. P. Janeway 1993-9-7 4588 Butte Plumas National Forest. About 300 ft west of the south end of Ponderosa Dam. Along the edge of the dirt road. 298 Comment
  JEPS120586  Dysphania botrys Lowell Ahart 2013-11-18 19273 Butte Below the high-water line of Lake Oroville, about 200 yards northeast of the boat ramp at the end of Stringtown Road, on the north side of the road, about 2.5 air miles northeast of Hurleton. Comment
  JEPS120618  Dysphania botrys Lowell Ahart 2013-11-13 19232 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  RSA0118933  Dysphania botrys Lowell Ahart 2013-11-13 19232 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 244 Comment
  CHSC113116  Dysphania pumilio Lowell Ahart 2013-11-18 19272 Butte Below the high water line of Lake Oroville, about 200 yards east of the boat ramp at the end of Stringtown Road, about 2 1/2 miles (air) northeast of Hurleton. 267 Comment
  JEPS120583  Dysphania pumilio Lowell Ahart 2013-11-18 19272 Butte Below the high-water line of Lake Oroville, about 200 yards east of the boat ramp at the end of Stringtown Road, about 2.5 air miles northeast of Hurleton. Comment
  JEPS120610  Dysphania pumilio Lowell Ahart 2013-11-13 19233 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  CHSC99751  Echinochloa colona Lowell Ahart 2008-7-23 15148 Butte On the north edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS114772  Echinochloa colona Lowell Ahart 2008-7-23 15148 Butte On the north edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam 258 Comment
  CHSC40910  Echinochloa crus-galli Lowell Ahart 1985-11-7 5240 Butte About 90 feet below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek flows into the river, about 1/2 mile west of the Ponderosa Dam. 274 Comment
  CAS-BOT-BC197252  Echinochloa muricata Lowell Ahart 1985-11-7 5240 Butte About 90 feet below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek flows into the river, about 1/2 mile west of the Ponderosa Dam 274 Comment
  CHSC115263  Elatine Lowell Ahart 2015-5-17 20192 Butte About 30 yards north of the Lower Honcut Road, about 1 3/4 miles west of Honcut. 28 Comment
  JEPS124104  Elatine Lowell Ahart 2015-5-17 20192 Butte About 1 3/4 miles west of Honcut. Comment
  SEINET13710215  Eleocharis acicularis Lowell William Ahart, Lowell William Ahart 2000-1 8444 Butte 3.5 Mi. SW of Forbestown (T19N, R6E, sec 18, SE 1/4) 2400 Ft. 732 Comment
  CHSC31458  Eleocharis bella L. Ahart 1980-7-29 2510 Butte In the gutter along Lower Forbestown Rd or Ponderosa Way, ca. 1/4 mi n of the jct of Forbestown Rd and Robinson Mill Rd, w of Forbestown. 750 Comment
  CHSC51021  Eleocharis bella Lowell Ahart 1990-7-4 6546 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile southwest of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC78182  Eleocharis bella Lowell Ahart 2000-6-4 8444 Butte In the small meadow south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles (air) southwest of Forbestown. 731 Comment
  JEPS98431  Eleocharis bella Lowell Ahart 2000-6-4 8444 Butte about 3 1/2 mi (air) SW of Forbestown (small meadow S of intersection of Black Bart Road and Forbestown Road) 731 Comment
  UC1562292  Eleocharis bella Lowell Ahart 1990-7-1 6546 Butte along McCabe Creek, below high water line of Lake Oroville, 1/2 mi SW of the Enterprise Bridge across Lake Oroville 243 Comment
  CHSC30948  Eleocharis bolanderi L. Ahart 1980-7-4 2459 Butte In a small meadow near the jct of Forbestown Rd and Black Bart Rd, ca. 1 mi w of Robinson Mill Rd, w of Forbestown. 750 Comment
  CHSC68426  Eleocharis bolanderi L. P. Janeway 1989-5-17 3244 Butte Along edge of Lower Forbestown Road 0.1 mi north of Forbestown Road. 777 Comment
  CHSC78190  Eleocharis bolanderi Lowell Ahart 2000-6-4 8446 Butte In the small meadow south of the intersection of Black bart Road and Forbestown Road, about 3 1/2 miles (air) southwest of Forbestown. 731 Comment
  JEPS98600  Eleocharis bolanderi Lowell Ahart 2000-6-4 8446 Butte about 3 1/2 mi (air) SW of Forbestown (small meadow S of intersection of Black Bart Rd and Forbestown Rd) 731 Comment
  CAS-BOT-BC113583  Eleocharis decumbens Lowell Ahart 1980-7-4 2459 Butte Along Forbestown Road Comment
  SEINET11746346  Eleocharis decumbens Unknown 1980-1 2459 Butte near intersection of Forbestown Rd & Black Bart Rd, ca 1 mi W of Robinson Mill Rd 671 Comment
  CAS-BOT-BC113372  Eleocharis engelmannii Lowell Ahart 1980-7-4 2465 Butte Along Forbestown Road. 750 Comment
  CHSC30956  Eleocharis engelmannii Lowell Ahart 1980-7-4 2465 Butte In a small meadow near the intersection of Forbestown Road and Black Bart Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC78192  Eleocharis engelmannii Lowell Ahart 2000-6-4 8445 Butte In the small meadow south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles (air) southwest of Forbestown. 731 Comment
  CAS-BOT-BC113211  Eleocharis parishii Lowell Ahart 1988-7-24 6125 Butte About 100 yards south of the intersection of Forbestown Road and Black Bart Road, 731 Comment
  CHSC44930  Eleocharis parishii Lowell Ahart 1988-7-24 6125 Butte Along the bottom of a road gutter, about 100 yards south of the intersection of Forbestown Road and Black Bart Road, about 1 mile west of Robinson Mill Road. 731 Comment
  JEPS120615  Eleocharis radicans Lowell Ahart 2013-11-13 19227 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  CHSC99759  Elymus elymoides subsp. californicus Lowell Ahart 2008-6-13 14822 Butte Bottom of an old gold mined area, about 350 yards southwest of the cemetery, about 50 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  JEPS114982  Elymus elymoides subsp. californicus Lowell Ahart 2008-6-13 14822 Butte Bottom of an old gold mined area, about 350 yards southwest of the cemetery, about 50 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 305 Comment
  CHSC44912  Elytrigia intermedia subsp. intermedia Lowell Ahart 1988-7-24 6133 Butte Along the south side of Ponderosa Way, about 1/2 mile north-west of the intersection of Lower Forbestown Road, west of Sunset Hill, near Forbestown. 731 Comment
  CHSC74040  Elytrigia pontica subsp. pontica B. Castro 1998-7-8 805 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca. 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. Below footpath at upper edge of meadow. 929 Comment
  CHSC62472  Epilobium brachycarpum L. P. Janeway 1993-9-7 4585 Butte Plumas National Forest. About 300 ft west of the south end of Ponderosa Dam. Along the edge of the dirt road. 298 Comment
  CHSC113122  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2013-11-17 19265 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 of a mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC113127  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2013-11-17 19265 A Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 of a mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC51003  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1990-7-4 6540 Butte Near McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51004  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1990-7-15 6562 Butte Along a small stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51005  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1990-8-15 6586 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 228 Comment
  JEPS120599  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2013-11-17 19265 A Butte McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville. Comment
  JEPS120600  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2013-11-17 19265 Butte McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville. Comment
  UC1562295  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1990-8-15 6586 Butte along small stream below high water line of Lake Oroville (e of Enterprise Boat Launch Area, about 1/4 mi nw of Enterprise Bridge across lake) 243 Comment
  UC1562487  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1990-8-15 6586 Butte along creek below high water line of Lake Oroville (about 1/2 mi sw of the Enterprise Bridge across lake); McCabe Creek 228 Comment
  CHSC34156  Epilobium densiflorum L. Ahart 1981-8-31 3051 Butte In a meadow, s of the jct of Black Bart Rd and Oroville-Forbestown Rd, ca. 10 mi w of Forbestown. 750 Comment
  CHSC84157  Epilobium densiflorum Lowell Ahart 2003-6-30 10330 Butte Near the small stream, on the north side of Ponderosa Way, about 1 1/2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 404 Comment
  JEPS104290  Epilobium densiflorum Lowell Ahart 2003-6-30 10330 Butte Near the small stream, on the n side of Ponderosa Way, ca 1 1/2 mi (by road) sw of the Ponderosa Dam, ca 2 mi (air) nw of Forbestown. 404 Comment
  CHSC54334  Equisetum laevigatum Lowell Ahart 1991-6-22 6663 Butte West of Springtown Road, near Lake Oroville. 304 Comment
  UC1586568  Equisetum laevigatum Lowell Ahart 1991-6-22 6663 Butte near Lake Oroville (w of Springtown Rd.) 304 Comment
  CHSC50705  Eragrostis cilianensis Lowell Ahart 1990-6-16 6518 Butte Along McCAbe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51032  Eragrostis cilianensis Lowell Ahart 1990-8-15 6594 Butte Along a wash, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-werst of the Enterprise Bridge across Lake Oroville. 228 Comment
  CHSC51033  Eragrostis cilianensis Lowell Ahart 1990-7-15 6556 Butte Along a stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51034  Eragrostis cilianensis Lowell Ahart 1990-8-15 6583 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 228 Comment
  UC1562282  Eragrostis cilianensis Lowell Ahart 1990-8-15 6583 Butte 0.5 mi sw Enterprise Bridge across Lake Oroville (near McCabe Creek, below the high water line); Lake Oroville 228 Comment
  CHSC51035  Eragrostis hypnoides Lowell Ahart 1990-7-15 6557 Butte Along a stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51036  Eragrostis hypnoides Lowell Ahart 1990-7-4 6543 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  UC1562294  Eragrostis hypnoides Lowell Ahart 1990-7-15 6557 Butte about 1.25 mi nw Enterprise Bridge across Lake Oroville (e of Enterprise Boat Launch Area, just below the high water line of Lake Oroville); Lake Oroville 243 Comment
  CHSC51037  Eragrostis pectinacea var. pectinacea Lowell Ahart 1990-7-4 6544 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51038  Eragrostis pectinacea var. pectinacea Lowell Ahart 1990-7-15 6558 Butte Along a small stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51039  Eragrostis pectinacea var. pectinacea Lowell Ahart 1990-8-15 6585 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 228 Comment
  UC1562287  Eragrostis pilosa var. pilosa Lowell Ahart 1990-8-15 6585 Butte about 1/2 mi sw Enterprise Bridge across Lake Oroville (across Lake Oroville, along McCabe Creek); below high water line Lake Oroville 228 Comment
  UC1562293  Eragrostis pilosa var. pilosa Lowell Ahart 1990-7-15 6558 Butte about 0.25 mi nw Enterprise Bridge across Lake Oroville (e of the Enterprise Boat Launch Area); Lake Oroville 243 Comment
  UC1562484  Eragrostis pilosa var. pilosa Lowell Ahart 1990-7-4 6544 Butte about 1/2 mi sw Enterprise Bridge across Lake Oroville (across Lake Oroville, along McCabe Creek); below high water line Lake Oroville 243 Comment
  CHSC105793  Eremocarpus setiger Lowell Ahart 2010-9-12 17148 Butte Below the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 1/4 mile (air) northwest of the Ponderosa Dam. 243 Comment
  JEPS117433  Eremocarpus setiger Lowell Ahart 2010-9-12 17148 Butte Below the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 1/4 mile (air) northwest of the Ponderosa Dam 243 Comment
  RSA794968  Eremocarpus setiger L. Ahart 2010-9-12 17148 Butte Below the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 0.25 air miles northwest of the Ponderosa Dam. 243 Comment
  CHSC33240  Ericameria arborescens R. A. Schlising; A. Ratcliff, R. Banchero 1980-9-6 3983 Butte 5 mi SE of Feather Falls, roadside. Comment
  CHSC59504  Ericameria arborescens Lowell Ahart 1992-9-20 6924 Butte At the end of the Enterprise Boat Launch Ramp, about 3/4 mile south of Rocky Point. 259 Comment
  JEPS87197  Ericameria arborescens Lowell Ahart 1992-9-20 6924 Butte about 3/4 mi s Rocky Point (at end of the Enterprise Boat Launch Ramp) 259 Comment
  UC1594625  Ericameria arborescens Lowell Ahart 1992-9-20 6924 Butte about 3/4 mi s Rocky Point (at end of the Enterprise Boat Launch Ramp) 259 Comment
  CHSC113979  Erigeron canadensis Lowell Ahart 2014-11-17 19910 Butte Just below the high water line of Lake Oroville, about 50 yards west of the Enterprise Boat Launch Area, parking area, about 11 miles (air) northeast of Oroville. 253 Comment
  CHSC41875  Erigeron canadensis Lowell Ahart 1986-10-16 5407 Butte Near the Enterprise Launch Area parking lot, near Lake Oroville, about 1/4 mile south-west of Lumpkin Road, north-east of Oroville. 289 Comment
  CHSC62426  Erigeron canadensis L. P. Janeway 1993-9-7 4586 Butte Plumas National Forest. About 300 ft west of the south end of Ponderosa Dam. Along dirt road. 298 Comment
  CHSC43348  Eriodictyon californicum Lowell Ahart 1976-5-6 1092 Yuba Near the Brownsville dump, along Ponderosa Way. 487 Comment
  CHSC105794  Eriogonum nudum var. oblongifolium Lowell Ahart 2010-9-12 17149 Butte Below the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 1/4 mile (air) northwest of the Ponderosa Dam. 243 Comment
  CHSC46650  Eriogonum nudum var. oblongifolium Lowell Ahart 1989-7-4 6365 Butte In a mined over area south of Oregon Gulch Road, about 1/4 mile north-west of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  JEPS117630  Eriogonum nudum var. oblongifolium Lowell Ahart 2010-9-12 17149 Butte Below the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 1/4 mile (air) northwest of the Ponderosa Dam 243 Comment
  RSA0081667  Eriogonum nudum var. oblongifolium L. Ahart 2010-9-12 17149 Butte Below the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 0.25 air miles northwest of the Ponderosa Dam. 243 Comment
  CHSC46651  Eriogonum roseum Lowell Ahart 1989-7-4 6366 Butte On and around graves in the Cemetary, about 1/2 mile south of Oregon Gulch Road, about 1 mile west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC51009  Eriogonum roseum Lowell Ahart 1990-8-15 6591 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/2 mile north-west of the Enterprise Bridge across Lake Oroville. 274 Comment
  CHSC59563  Eriogonum roseum Lowell Ahart 1992-9-20 2923 Butte Below the high water line of Lake Oroville, about 1/8 mile west of the Enterprise Boat Launch Ramp, about 3/4 mile south-west of Rocky Point. 243 Comment
  UC1562280  Eriogonum roseum Lowell Ahart 1990-8-15 2923 Butte about 1/2 mi nw Enterprise Bridge (below the high water line of Lake Oroville, e of the Enterprise Boat Launch Area); Lake Oroville 274 Comment
  UC1594624  Eriogonum roseum Lowell Ahart 1992-9-20 2923 Butte about 1/8 mi w Enterprise Boat Launch Ramp (below the high water line of Lake Oroville, about 3/4 mi sw of Rocky Point); Lake Oroville 243 Comment
  CHSC33689  Erodium cicutarium L. Ahart 1981-3-29 2712 Butte Along the edge of Ponderosa Way, near the Ponderosa Dam, near Forbestown. 350 Comment
  CHSC98941  Erodium cicutarium Lowell Ahart 2008-5-8 14722 Butte Below the high water line of Lake Oroville, about 50 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  CHSC99320  Erodium cicutarium Lowell Ahart 2008-5-21 14765 Butte Below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS114969  Erodium cicutarium Lowell Ahart 2008-5-21 14765 Butte Below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  CHSC51017  Erythranthe cardinalis Lowell Ahart 1990-8-15 6581 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 228 Comment
  CHSC113285  Erythranthe guttata Lowell Ahart 2014-5-13 19465 Butte Below the high water line of Lake Oroville, about 200 yards southwest of the poor parking area, on the east side of McCabe Creek, about 11 miles (air) east of Oroville. 244 Comment
  CHSC44681  Erythranthe guttata R. Banchero 1980-4-19 121 Butte Along Lumpkin Rd ca 1.1 mi NE of the Enterprise Bridge, Ca 0.3 mi from the jct of Lumpkin and Enterprise Rds. 353 Comment
  CHSC84226  Erythranthe guttata Lowell Ahart 2003-7-17 10419 Butte On the east side of Black Bart Road, about 1/2 mile west of the intersection of Forbestown Road and Black Bart Road, about 4 miles (air) southwest of Forbestown. 716 Comment
  CHSC84459  Erythranthe guttata Lowell Ahart 2003-8-6 10477 Butte On cliffs, along a small stream, on the south side of Ponderosa Way, about 2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 497 Comment
  CHSC98995  Erythranthe guttata Lowell Ahart 2008-5-21 14774 Butte Damp to dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS121998  Erythranthe guttata Lowell Ahart 2014-5-13 19465 Butte Below the high water line of Lake Oroville, about 200 yards southwest of the poor parking area, on the east side of McCabe Creek, about 11 miles (air) east of Oroville. Comment
  SJSU969  Erythranthe guttata A. Retan 1948-5-1 Butte 10 mi W of Oroville Comment
  CHSC98996  Erythranthe nasuta Lowell Ahart 2008-5-21 14774 -A Butte Damp to dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  SBBG988  Erythronium multiscapideum H. and M. Dearing 1939-5-8 3295 Yuba New York Crk Comment
  CHSC61537  Festuca arundinacea Lowell Ahart 1993-6-16 6968 Butte Along a dirt road, south-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown. 609 Comment
  UC1609057  Festuca arundinacea Lowell Ahart 1993-6-15 6968 Butte about 3.5 (air) mi sw Forbestown (dirt road sw of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  CHSC112787  Festuca bromoides Lowell Ahart 2013-5-18 18700 Butte About 100 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 763 Comment
  JEPS120933  Festuca bromoides Lowell Ahart 2013-5-18 18700 Butte About 100 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  CHSC116989  Festuca microstachys var. pauciflora Lowell Ahart 2016-6-4 20935 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 mile (air) northwest of Forbestown. 732 Comment
  JEPS127201  Festuca microstachys var. pauciflora Lowell Ahart 2016-6-4 20935 Butte About 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. Comment
  CHSC112786  Festuca myuros Lowell Ahart 2013-5-18 18701 Butte About 100 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 763 Comment
  JEPS120932  Festuca myuros Lowell Ahart 2013-5-18 18701 Butte About 100 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  CHSC61538  Festuca occidentalis Lowell Ahart 1993-6-16 6970 Butte South-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown. 609 Comment
  JEPS87481  Festuca occidentalis Lowell Ahart 1993-6-16 6970 Butte about 3.5 (air) mi sw Forbestown (sw of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  UC1609518  Festuca occidentalis Lowell Ahart 1993-6-16 6970 Butte about 3.5 (air) mi sw Forbestown (sw of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  CHSC98943  Festuca subulata Lowell Ahart 2008-6-2 14807 Butte Shaded road cut, on the south side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown. 670 Comment
  JEPS114824  Festuca subulata Lowell Ahart 2008-6-2 14807 Butte Shaded road cut, on the south side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1.4 miles (air) northwest of Forbestown 670 Comment
  RSA754865  Festuca subulata L. Ahart 2008-6-2 14807 Butte South side of Ponderosa Way, about 1 air mile SW of the Ponderosa Dam, about 2.25 air miles NW of Forbestown. 671 Comment
  SEINET10822121  Festuca subulata Lowell Ahart 2008-6-2 Ahart 14807 Butte T19N, R6E, southwest 1/4 Section 4. On the south side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown. 671 Comment
  CHSC42109  Foeniculum vulgare Lowell Ahart 1986-10-16 5405 Butte Along Pondrosa Way, about 3/4 mile south-west of the Ponderosa Dam, about 3 1/4 miles north-west of Forbestown. 396 Comment
  JEPS124103  Frangula californica subsp. tomentella Lowell Ahart, Susan Kephart, Jim Kephart 2015-6-4 20197 Yuba About 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. Comment
  CHSC63269  Frangula rubra Lowell Ahart 1994-6-5 7309 Butte In a small dry mountain meadow, south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles south-west of Forbestown. 609 Comment
  JEPS103419  Frangula rubra Lowell Ahart 2002-6-2 9679 Butte Meadow, S of the intersection of Black Bart Road and Forbestown Road, ca 3 miles (air) SW of Forbestown. 670 Comment
  CHSC109557  Frangula rubra subsp. obtusissima L. P. Janeway 2012-6-27 10913 Butte Northern High Sierra Nevada. Near the top of Sunset Hill, just a little over the north side. 1000 Comment
  CHSC46513  Frangula rubra subsp. obtusissima Lowell Ahart 1976-5-6 1094 Yuba Along the edge of Ponderosa Way, near the Brownville Dump, south-west of Brownsville. 487 Comment
  CAS-BOT-BC55739  Frangula rubra subsp. rubra Lowell Ahart 1976-5-6 s.n. Yuba Near the Brownsville Dump, Brownsville 457 Comment
  CHSC43325  Fremontodendron californicum Lowell Ahart 1976-5-6 1093 Yuba Near the Brownsville Dump, along Ponderosa Way, south-west of Brownsville. 457 Comment
  CHSC88993  Fremontodendron californicum L. Hanson 1984-5-21 244 Yuba Plumas National Forest. Brownsville Dump. 640 Comment
  HSC86889  Fremontodendron decumbens J. D. Jokerst, L. Ahart 1984-3-20 1945 Yuba S of Brownsville dump, E of Ponderosa Way 100 meters, 0.65 mi. N of junction with La Porte Rd. Comment
  CHSC115500  Fritillaria eastwoodiae L. P. Janeway 2015-3-18 11641 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way at Road 19N19, 1.0 road-km northwest of Lower Forbestown Road, just before the canyon becomes steep into South Fork Feather River arm of Lake Oroville. 747 Comment
  CHSC29995  Fritillaria micrantha L. Ahart 1980-3-26 Butte Ca. 1/2 mi e and 1/4 mi s of Hurleton. 600 Comment
  CHSC41230  Fritillaria micrantha Jokerst; Ahart 1984-3-20 1944 Yuba Near Brownsville south of the Brownsville Dump, east of and adjacent to Ponderosa Way 0.65 miles N of its jct. With La Porte Rd. Comment
  CHSC47588  Fritillaria micrantha Lowell Ahart 1976-4-15 1074 Yuba On the east side of Ponderosa Way, at the Brownsville Dump, about 2 miles south-west of Brownsville. 457 Comment
  CAS-BOT-BC130402  Fritillaria pinetorum Lowell Ahart 1976-4-15 s.n. Yuba Near the Brownsville Dump, Brownsville Comment
  CHSC46404  Galium aparine Lowell Ahart 1989-5-28 6295 Butte South of Oregon Gulch road, about 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC44906  Galium bolanderi Lowell Ahart 1988-7-24 6132 Butte About 1/20 mile north-east of the intersection of Ponderosa Way and Lower Forbestown Road, west of Sunset Hill, near Forbestown. 731 Comment
  CHSC46406  Galium divaricatum Lowell Ahart 1989-5-28 6296 Butte About 1/2 mi north of the Cemetery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC116994  Galium parisiense Lowell Ahart 2016-6-4 20925 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. 387 Comment
  JEPS127203  Galium parisiense Lowell Ahart 2016-6-4 20925 Butte About 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. Comment
  UC888981  Galium parisiense Lewis S. Rose 1937-6-10 37360 Butte Hurleton 579 Comment
  CHSC31921  Galium porrigens var. tenue M. S. Taylor; T. Devine, M. Merryman 1981-2-11 3380 Butte 20 ft E of Lumpkin Rd, on N side of Macabes Creek, ca. 2 mi N of jct of Lumpkin Road and Oroville-Quincy Hwy (162), ca. 13 mi NE of Oroville. 457 Comment
  UC1523185  Galium porrigens var. tenue M. S. Taylor, T. Devine, and M. Merryman 1981-2-11 3380 Butte 20 ft e Lumpkin Rd (on n side of creek, ca. 2 mi n of jct of Lumpkin Rd and Oroville-Quincy Hwy (162), ca. 13 mi ne of Oroville); Big Bend Mt. Quad, Macabes Creek 457 Comment
  CHSC51011  Galium trifidum var. pacificum Lowell Ahart 1990-7-2 6535 Butte Near McCabe Creek, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51012  Galium trifidum var. pacificum Lowell Ahart 1990-7-15 6554 Butte West of the Enterprise Boat Launch Area, about 1/2 mile north-west of the Enterprise Bridge across Lake Oroville. 268 Comment
  UC1562385  Galium trifidum var. pacificum Lowell Ahart 1990-7-15 6554 Butte w Enterprise Boat Launch area (below high-water line of lake, about 1/2 mi nw of the Enterprise Bridge across lake, n side of old paved road to Feather Falls); Lake Oroville 268 Comment
  UC1562386  Galium trifidum var. pacificum Lowell Ahart 1990-7-2 6535 Butte near McCabe Creek (below high water line of lake, about 1/2 mi sw of the Enterprise Bridge across lake); Lake Oroville 243 Comment
  CHSC40302  Gamochaeta argyrinea Lowell Ahart 1985-5-31 5036 Butte Along a wash about 25 feet above the high water line of Lake Oroville, about 1/4 mile west of the Enterprise Boat Launch Area, about 1 mile west of the Enterprise Bridge, north-east of Oroville. 274 Comment
  CHSC50650  Gamochaeta argyrinea Lowell Ahart 1990-5-25 6481 Butte Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 259 Comment
  UC1562409  Gamochaeta argyrinea Lowell Ahart 1990-6-16 6523 Butte below high water line Lake Oroville (about 1/2 mi sw of Enterprise Bridge across Lake Oroville) 259 Comment
  UC1562433  Gamochaeta argyrinea Lowell Ahart 1990-5-25 6481 Butte below high-water line Lake Oroville (e of the Enterprise boat launch area, about 1/8 mi nw of the Enterprise Bridge across Lake Oroville) 259 Comment
  CHSC46929  Gamochaeta stachydifolia Lowell Ahart 1984-6-8 4660 Butte Along Ponderosa Way, about 1/8 mile west of the Ponderosa Dam, about 2 miles north-west of Forbestown. 335 Comment
  CHSC50649  Gamochaeta stachydifolia Lowell Ahart 1990-6-16 6523 Butte Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 259 Comment
  CHSC112460  Gamochaeta ustulata Lowell Ahart; Susan Keyhart, Jim Keyhart 2013-5-27 18719 Butte About 50 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  JEPS120916  Gamochaeta ustulata Lowell Ahart 2013-5-27 18719 Butte About 50 yards S of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  CHSC43327  Garrya fremontii Lowell Ahart 1976-4-15 1076 Yuba About 2 miles west of Brownsville, near the Brownsville Dump. 457 Comment
  CAS-BOT-BC282601  Gastridium phleoides Lowell Ahart 1988-8-24 6128 Butte At the intersection of Black Bart Road and Forbestown Road about 1 mile west of Robinson Mill Road 731 Comment
  CHSC116995  Gastridium phleoides Lowell Ahart 2016-6-4 20918 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. 387 Comment
  CHSC44924  Gastridium phleoides Lowell Ahart 1988-7-24 6128 Butte On the bottom of a ditch, at the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 731 Comment
  CHSC84142  Gastridium phleoides Lowell Ahart 2003-6-29 10319 Yuba Along a wash, on the east side of Ponderosa Way, about 1 1/2 miles north of La Porte Road, about 1 mile (air) west of Brownsville. 701 Comment
  CHSC91465  Gastridium phleoides Lowell Ahart 2005-7-13 12149 Butte About 20 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 759 Comment
  CHSC99008  Gastridium phleoides Lowell Ahart 2008-5-21 14780 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS127202  Gastridium phleoides Lowell Ahart 2016-6-4 20918 Butte About 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. Comment
  RSA697054  Gastridium phleoides L. Ahart 2003-6-29 10319 Yuba On the east side of Ponderosa Way, about 1 1/2 miles north of La Porte Road, about 1 mile (air) west of Brownsville. 702 Comment
  RSA716153  Gastridium phleoides L. Ahart 2005-7-13 12149 Butte About 20 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 759 Comment
  RSA754962  Gastridium phleoides L. Ahart 2008-5-21 14780 Butte Lake Oroville, north side of South Fork of the Feather River, about 150 yards east of where Sucker Creek enters the South Fork of the Feather River, about 0.25 mile northwest of the Ponderosa Dam. 246 Comment
  UCD169894  Gastridium phleoides Lowell Ahart 2008-5-21 14780 Butte On the north side of the South Fork of Feather River, about 150 yards east of where Sucker Creek enters the South Fork of the Feather River. About 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  CAS-BOT-BC278702  Gastridium ventricosum Lowell Ahart 1980-5-25 2344 Butte Along Ponderosa Way 500 Comment
  CDA31993  Gastridium ventricosum L. Ahart 2008-5-12 14780 Butte Below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  JEPS107518  Gastridium ventricosum Lowell Ahart 2005-7-13 12149 Butte About 20 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville 759 Comment
  JEPS114971  Gastridium ventricosum Lowell Ahart 2008-5-21 14780 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  SEINET10553569  Gastridium ventricosum Lowell Ahart 2003-6-29 Ahart 10319 Yuba T19N R6E S27 SW1/4. Small size plants, on dry to damp red soil, along a small wet wash, on the east side of Ponderosa Way, about 1.5 miles north of La Porte Road, about 1 mile (air) west of Brownsville. Common. Foothill Woodland. 702 Comment
  CAS-BOT-BC208058  Genista monspessulana Lowell Ahart 1980-5-25 2334 Butte Near Old Forbestown 1000 Comment
  CHSC98965  Geranium Lowell Ahart 2008-5-12 14762 Butte On the east side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown. 670 Comment
  JEPS114959  Geranium Lowell Ahart 2008-5-12 14762 Butte On the east side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown 670 Comment
  CDA31933  Geranium carolinianum L. Ahart 2008-5-8 14721 Butte Below the high water line of Lake Oroville, about 50 yards east of the poor parking area, McCabe Creek area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville Comment
  CHSC99324  Geranium carolinianum Lowell Ahart 2008-5-8 14721 Butte Below the high water line of Lake Oroville, about 50 yards east of the poor parking area, McCabe Creek area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 264 Comment
  CHSC99325  Geranium carolinianum Lowell Ahart 2008-5-12 14753 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  JEPS114965  Geranium carolinianum Lowell Ahart 2008-5-8 14721 Butte Below the high water line of Lake Oroville, about 50 yards east of the poor parking area, McCabe Creek area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 264 Comment
  CHSC98944  Geranium molle Lowell Ahart 2008-5-8 14720 Butte Below the high water line of Lake Oroville, about 50 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  CHSC99007  Geranium molle Lowell Ahart 2008-5-21 14764 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  CAS-BOT-BC263236  Geranium purpureum Lowell Ahart 2008-5-12 14762 Butte On the east side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown 670 Comment
  CDA31943  Geranium purpureum L. Ahart 2008-5-12 14762 Butte On the east side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown Comment
  CHSC110102  Geranium purpureum L. P. Janeway 2012-5-29 10826 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 1.9 road km north of Lower Forbestown Road; 1.8 air km south of the Ponderosa Reservoir dam. 658 Comment
  CHSC110104  Geranium purpureum L. P. Janeway 2012-5-29 10827 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 4.3 road km north of Lower Forbestown Road; 1.4 air km south of the Ponderosa Reservoir dam. 485 Comment
  CHSC99003  Geranium purpureum Lowell Ahart; Lawrence Janeway, Linnea Hanson 2008-5-27 14790 Butte Dry bare red soil, on the south side of Ponderosa Way, about 1 mile (air) southwest of the Pondersoa Dam, about 2 1/4 miles (air) northwest of Forbestown. 670 Comment
  HSC100781  Geranium purpureum Lowell Ahart 2008-5-12 14762 Butte E side of Ponderosa Way, 1 (air) mi. SW of Ponderosa Dam and ~2 1/4 mi. NW of Forbestown. 671 Comment
  JEPS114586  Geranium purpureum Lowell Ahart, Lawrence Janeway, Linnea Hanson 2008-5-27 14790 Butte Dry bare red soil, on the south side of Ponderosa Way, about 1 mile (air) soouthwest of the Pondersoa Dam, about 2 1/4 miles (air) northwest of Forbestown 670 Comment
  JEPS120522  Geranium purpureum L. P. Janeway 2012-5-29 10826 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 1.9 road km north of Lower Forbestown Road; 1.8 air km south of the Ponderosa Reservoir dam. Comment
  RSA0060804  Geranium purpureum L. P. Janeway 2012-5-29 10826 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 1.9 road km north of Lower Fobestown Road; 1.8 air km south of the Ponderosa Reservoir dam. 658 Comment
  RSA0060805  Geranium purpureum L. P. Janeway 2012-5-29 10827 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 4.3 road km north of Lower Fobestown Road; 1.4 air km south of the Ponderosa Reservoir dam. 485 Comment
  RSA754864  Geranium purpureum L. Ahart, Lawrence Janeway, Linnea Hanson 2008-5-27 14790 Butte S side of Ponderosa Way, about 1 air mile SW of the Ponderosa Dam, about 2.25 air miles NW of Forbestown. 671 Comment
  RSA754945  Geranium purpureum L. Ahart 2008-5-12 14762 Butte East side of Ponderosa Way, about 1 air mile southwest of the Ponderosa Dam, about 2.25 air miles northwest of Forbestown. 671 Comment
  UCD169896  Geranium purpureum Lowell Ahart 2008-5-12 14762 Butte On the east side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown 670 Comment
  SD122562  Gilia capitata subsp. pedemontana Lowell Ahart 1984-6-8 4671 Butte At the Ponderosa Dam, ca. 2.0 miles northwest of Forbestown. 370 Comment
  CHSC116983  Githopsis specularioides Lowell Ahart 2016-6-4 20932 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. 732 Comment
  CHSC46355  Githopsis specularioides Lowell Ahart 1989-5-28 6275 Butte South of Oregon Gulch Road, about 1/2 mile north of the Cemetery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC113102  Glinus lotoides Lowell Ahart 2013-11-18 19287 Butte Below the high water line of Lake Oroville, about 200 yards east of the boat ramp at the end of Stringtown Road, about 2 1/2 miles (air) northeast of Hurleton. 267 Comment
  CHSC51001  Glinus lotoides Lowell Ahart 1990-7-2 6537 Butte Near McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51269  Glinus lotoides Lowell Ahart 1990-10-5 6628 Butte On the bottom of McCabe Creek, below the high water line of Lake Oroville, about 1/4 mile south-west of the Enterprise Bridge across Lake Oroville. 228 Comment
  CHSC51270  Glinus lotoides Lowell Ahart 1990-10-5 6631 Butte Below the high water line of Lake Oroville, about 1/8 mile south-west of the Enterprise Boat Launch Area, about 3/4 mile north-west of the Enterprise Bridge across Lake Oroville. 228 Comment
  JEPS120592  Glinus lotoides Lowell Ahart 2013-11-18 19287 Butte Below the high-water line of Lake Oroville, about 200 yards east of the boat ramp at the end of Stringtown Road, about 2.5 air miles northeast of Hurleton. Comment
  UC1562276  Glinus lotoides Lowell Ahart 1990-7-2 6537 Butte near McCabe Creek (below the high water line of Lake Oroville, about 1/2 mi sw of the Enterprise Bridge across Lake Oroville) 243 Comment
  UC1563258  Glinus lotoides unknown 1990-10-5 6631 Butte ca. 3/4 mi. n.w. of Enterprise Bridge across Lake Oroville (ca. 1/8 mi. s.w. of Enterprise Boat Launch Area) 228 Comment
  UC1563266  Glinus lotoides unknown 1990-10-5 Butte below the high water line of Lake Oroville (about 1/4 mi sw of the Enterprise Bridge across Lake Oroville, on bottom of McCabe Creek); McCabe Creek 228 Comment
  CAS-BOT-BC302477  Gnaphalium palustre Lowell Ahart 1985-11-7 5239 Butte About 90 feet below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek flows into the river, about 1/2 mile west of the Ponderosa Dam 274 Comment
  CAS-BOT-BC302478  Gnaphalium palustre Lowell Ahart 1988-7-24 6126 Butte At the intersection of Forbestown Road and Black Bart Road, about 1 mile west of Robinson Mill Road 731 Comment
  CHSC113129  Gnaphalium palustre Lowell Ahart 2013-11-17 19258 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 of a mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC40908  Gnaphalium palustre Lowell Ahart 1985-11-7 5239 Butte About 90 feet below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek flows into the river, about 1/2 mile west of the Ponderosa Dam. 274 Comment
  CHSC44903  Gnaphalium palustre Lowell Ahart 1988-7-24 6126 Butte At the intersection of Forbestown Road and Black Bart Road, about 1 mile west of Robinson Mill Road. 731 Comment
  JEPS120604  Gnaphalium palustre Lowell Ahart 2013-11-17 19258 Butte McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville. Comment
  JEPS120609  Gnaphalium palustre Lowell Ahart 2013-11-13 19228 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  RSA0037016  Gnaphalium palustre Lowell A. Ahart 2013-11-17 19258 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC78168  Gratiola ebracteata Lowell Ahart 2000-6-6 8450 Butte On the sides of an old gold mining pit, just southeast of where the dirt road crosses Oregon Gulch creek, about 1/4 mile northeast of the cemetery, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville Dam. 304 Comment
  JEPS98418  Gratiola ebracteata Lowell Ahart 2000-6-6 8450 Butte 5 mi (air) E of Oroville Dam (sides of an old gold mining pit, SE of where the dirt road crosses Oregon Gulch Creek, 1/4 mi NE of cemetery, 1 1/2 mi S of Crystal Hill) 304 Comment
  CDA6137  Grindelia hirsutula D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .261 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  CHSC115895  Grindelia hirsutula var. davyi L. P. Janeway 2015-6-29 11787 Yuba Northern High Sierra Nevada. Plumas National Forest; Weiss Hill Meadow, a large meadow 600 air-km east-southeast of junction of Weiss Hill Road and Forbestown Road; at the head of a minor northwestern tributary to New York Creek. 853 Comment
  CHSC86858  Hedera helix L. P. Janeway; Gavin Blosser 2003-9-3 7972 Butte Northern High Sierra Nevada. Along southwest edge of Ponderosa Reservoir 185 m south of Ponderosa Dam (South Fork Feather River). Around disintegrating structure. 299 Comment
  JEPS105662  Hedera helix L. P. Janeway, Gavin Blosser 2003-9-3 7972 Butte Northern High Sierra Nevada. Along southwest edge of Ponderosa Reservoir 185 m south of Ponderosa Dam (South Fork Feather River). Around disintegrating structure 299 Comment
  CHSC50988  Helenium puberulum Lowell Ahart 1990-7-15 6555 Butte On the north side of the old paved road to Feather Falls, below the high water line of Lake Oroville, west of the Enterprise Boat Launch Area, about 1/2 mile north-west of the Enterprise Bridge across Lake Oroville. 268 Comment
  CHSC31094  Helianthella californica var. nevadensis Herb Allen McLane 1980-4-25 15 Butte 1 mi sw of Ponderosa Dam, Plumas National Forest. 390 Comment
  CHSC35991  Helianthella californica var. nevadensis J. D. Jokerst 1982-5-8 1567 Butte N of Forbestown along Ponderosa Way 3/10 mi. N of its jct with Lower Forbestown Rd. Comment
  CHSC99004  Herniaria hirsuta subsp. hirsuta Lowell Ahart 2008-5-21 14772 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, about 100 yards west of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS114968  Herniaria hirsuta subsp. hirsuta Lowell Ahart 2008-5-21 14772 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, about 100 yards west of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the P 246 Comment
  RSA755000  Herniaria hirsuta subsp. hirsuta L. Ahart 2008-5-21 14772 Butte Lake Oroville, north and south side of the South Fork of the Feather River, about 100 yards west of where Sucker Creek enters the South Fork of the Feather River, about 0.25 mile northwest of the Ponderosa Dam. 246 Comment
  CHSC116996  Hesperolinon micranthum Lowell Ahart 2016-6-4 20934 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. 732 Comment
  CHSC47433  Hesperolinon micranthum Lowell Ahart 1976-5-27 1132 Yuba Along Ponderosa Way, near the Brownsville Dump, south-west of Brownsville. 548 Comment
  JEPS127025  Hesperolinon micranthum Lowell Ahart 2016-6-4 20934 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. Comment
  CAS-BOT-BC143638  Heteromeles arbutifolia Lowell Ahart 1980-7-4 2455 Butte Near Hurleton 600 Comment
  CHSC30952  Heteromeles arbutifolia L. Ahart 1980-7-4 2455 Butte Ca. 1/2 mi se of the Oak Grove Cemetary, ca. 1 mi se of Hurleton. 600 Comment
  SEINET7085239  Heteromeles arbutifolia Steven R. Hill 2010-7-17 38550 Butte Junction of Forbestown Road and upper end of Black Bart Road. Elevation 2800 - 3000 feet [2442 feet]. Sierra Nevada. Coordinate Datum: WGS84/NAD83. 744 Comment
  CHSC113981  Heterotheca grandiflora Lowell Ahart 2014-11-17 19912 Butte Just below the high water line of Lake Oroville, about 150 yards southeast of the Enterprise Boat Launch Area, parking area, about 11 miles (air) northeast of Oroville. 253 Comment
  JEPS121890  Heterotheca grandiflora Lowell Ahart 2014-11-17 19912 Butte Just below the high water line of Lake Oroville, about 150 yards southwest of the Enterprise Boat Launch Area, parking area, about 11 miles (air) northeast of Oroville. Comment
  RSA0119324  Heterotheca grandiflora Lowell A. Ahart 2014-11-17 19912 Butte Lake Oroville, about 150 yards southeast of the Enterprise Boat Launch Area, parking area, about 11 miles (air) northeast of Oroville. 254 Comment
  CHSC34030  Hoita macrostachya L. Ahart 1981-7-7 2923 Butte On a springy area ca. 1/2 mi w of Oroville Forbestown Rd on the Black Bart Rd, w of Forbestown. 700 Comment
  CHSC39560  Hoita macrostachya Lowell Ahart 1983-7-24 4201 Butte About 1/2 mile south-west of the intersection of the Oroville Forbestown Road and Black Bart Road, about 6 miles south-west of Forbestown. 750 Comment
  CHSC40421  Hoita macrostachya Lowell Ahart 1985-7-9 5107 Butte Along the banks of a small stream, along Ponderosa Way, about 1 mile south of the Ponderosa Dam across the South Fork of the Feather River, about 3 miles north-west of Forbestown. 548 Comment
  CHSC84242  Hoita macrostachya Lowell Ahart 2003-7-17 10420 Butte On the east side of Black Bart Road, about 1/2 mile west of the intersection of Forbestown Road and Black Bart Road, about 4 miles (air) southwest of Forbestown. 716 Comment
  JEPS104590  Hoita macrostachya Lowell Ahart 2003-7-17 10420 Butte On the e side of Black Bart Rd, ca 1/2 mi w of the intersection of Forbestown Rd and Black Bart Rd, ca 4 mi (air) sw of Forbestown. 716 Comment
  SEINET13710942  Hoita macrostachya Lowell William Ahart, Lowell William Ahart 2003-1 10420 Butte About 4 Air Mi. SW of Forbestown (39 Deg 29'53.2"N, 121 Deg 20'22.7"W) 2350 Ft. 716 Comment
  CHSC115907  Hoita orbicularis L. P. Janeway 2015-6-29 11786 Yuba Northern High Sierra Nevada. Plumas National Forest; Weiss Hill Meadow, a large meadow 600 air-km east-southeast of junction of Weiss Hill Road and Forbestown Road; at the head of a minor northwestern tributary to New York Creek. 853 Comment
  CHSC34029  Hoita orbicularis L. Ahart 1981-7-7 2922 Butte In a small springy area ca. 1/2 mi w of the Oroville-Forbestown Rd on the Black Bart Rd, w of Forbestown. 700 Comment
  CHSC99752  Hoita orbicularis Lowell Ahart 2008-6-13 14828 Butte On wet soil, bottom of Oregon Gulch, bottom of an old gold mined area, about 400 yards southwest of the cemetery, about 10 miles (air) northeast of Oroville. 305 Comment
  JEPS114985  Hoita orbicularis Lowell Ahart 2008-6-13 14828 Butte On wet soil, bottom of Oregon Gulch, bottom of an old gold mined area, about 400 yards southwest of the cemetery, about 10 miles (air) northeast of Oroville 305 Comment
  RSA0039296  Hoita orbicularis Lowell Ahart 2008-6-13 14828 Butte Bottom of Oregon Gulch, bottom of an old gold mined area, about 400 yards southwest of the cemetery, about 10 miles (air) northeast of Oroville. 305 Comment
  CAS-BOT-BC280714  Holcus lanatus Lowell Ahart 1980-7-4 2460 Butte Along Forbestown Road 750 Comment
  CAS-BOT-BC285088  Hordeum marinum subsp. gussoneanum Lowell Ahart 1980-5-17 2311 Butte 1/2 mile south-east of Hurleton 600 Comment
  CHSC99016  Hordeum murinum subsp. leporinum Lowell Ahart 2008-5-21 14781 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  CHSC74119  Horkelia californica subsp. dissita B. Castro 1998-7-28 811 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. Meadow at end of old dirt rd at E edge of old homestead site. Near eastern edge of meadow. 929 Comment
  CHSC84161  Horkelia californica subsp. dissita Lowell Ahart 2003-6-29 10318 Yuba Along a wash, on the east side of Ponderosa Way, about 1 1/2 miles north of La Porte Road, about 1 mile (air) west of Brownsville. 701 Comment
  CHSC46400  Horkelia tridentata Lowell Ahart 1989-5-28 6277 Butte South of Oregon Gulch Road, about 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC86587  Horkelia tridentata subsp. tridentata L. P. Janeway; John Hunt 2003-6-13 7827 Butte Northern High Sierra Nevada. North side of South Fork Feather River arm of Lake Oroville, 280 m east of the north end of Enter-prise Bridge. 280 Comment
  CHSC112456  Hosackia stipularis var. ottleyi Lowell Ahart 2013-5-18 18699 Butte Under the cleared poleline, about 50 yards southwest of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 763 Comment
  CHSC35707  Hosackia stipularis var. ottleyi J. D. Jokerst 1982-5-16 1570 Butte Ponderosa Way ca. 1/2 mi N of its junction with Lower Forbestown Rd. 731 Comment
  CHSC36515  Hosackia stipularis var. ottleyi L. Ahart 1982-6-1 3530 Butte Above road, ca. 1/8 mi n of jct of Lower Forbestown Rd and Ponderosa Way, along Ponderosa Way, ca. 5 mi w of Forbestown. 700 Comment
  CHSC60979  Hosackia stipularis var. ottleyi Lowell Ahart 1993-6-16 6966 Butte Southwest of the intersection of Balck Bart Road and Forbestown Road, about 3 1/2 (air) miles southwest of Forbestown. Common. Yellow Pine Forest. 609 Comment
  JEPS120934  Hosackia stipularis var. ottleyi Lowell Ahart 2013-5-18 18699 Butte About 50 yards SW of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  CHSC34160  Hypericum anagalloides L. Ahart 1981-8-31 3055 Butte In seep near the Black Bart Rd, ca. 1 mi w of the jct of Black Bart Rd and Oroville-Forbestown Rd, w of Forbestown. 750 Comment
  CHSC43307  Hypericum concinnum Lowell Ahart 1975-6-25 811 Yuba Near the dump south of Brownsville, along Ponderosa Way. 609 Comment
  UCD80234  Hypericum concinnum CNPS SN Foothill Team 2005-6-1 SNNR 0126 Yuba BLM, Ponderosa Landfill. 711 Comment
  CHSC99308  Hypochaeris glabra Lowell Ahart 2008-5-21 14767 Butte Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS114712  Hypochaeris glabra Lowell Ahart 2008-5-21 14767 Butte Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  UCD110815  Iris Christopher Mallek 2008-1 s.n. Yuba Daken Flat. 675 Comment
  CHSC115682  Iris tenuissima subsp. tenuissima Emily Meigs Doe 2015-4-23 24 Butte Northern HighSierra Nevada. Plumas National Forest. About 2.7 miles west-northwest of Forbestown. Near Road 19N19, approx. 0.25 miles north of its intersection with Ponderosa Way. 731 Comment
  JEPS127565  Iris tenuissima subsp. tenuissima Emily Meigs Doe 2015-4-23 24 Butte Northern High Sierra Nevada. Plumas National Forest. About 2.7 miles west-northwest of Forbestown. Near Road 19N19, approximated 0.25 miles north of its intersection with Ponderosa Way. Forbestown 7.5' Quad. Comment
  CAS-BOT-BC61874  Isoetes nuttallii Lowell Ahart 1980-5-17 2271 Butte 1/2 mi. south-east of Hurleton 600 Comment
  CHSC30017  Isoetes nuttallii L. Ahart 1980-5-17 2271 Butte 1/8 mi se of the Oak Grove Cemetary, ca. 1/2 mi se of Hurleton. 600 Comment
  CHSC78114  Isoetes nuttallii Lowell Ahart 2000-6-4 8443 Butte In the small meadow south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles (air) southwest of Forbestown. 731 Comment
  JEPS98584  Isoetes nuttallii Lowell Ahart 2000-6-4 8443 Butte about 3 1/2 mi (air) SW of Forbestown (small meadow S of intersection of Black Bart Road and Forbestown Road) 731 Comment
  CHSC113273  Isolepis setacea Lowell Ahart 2014-5-13 19467 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 200 yards southwest of the poor parking area, on the east side of McCabe Creek, about 11 miles (air) east of Oroville. 244 Comment
  CHSC31450  Isolepis setacea L. Ahart 1980-7-29 2509 Butte In the gutter along Lower Forbestown Rd or Ponderosa Way, ca. 1/4 mi n of the jct of Forbestown Rd and Robinson Mill Rd, w of Forbestown. 228 Comment
  CHSC46423  Isolepis setacea Lowell Ahart 1989-5-28 6285 Butte In a large meadow, in a mined over area south of Oregon Gulch Road, about 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC51025  Isolepis setacea Lowell Ahart 1990-7-15 6564 Butte Along a small stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC78209  Isolepis setacea Lowell Ahart 2000-6-6 8454 Butte On the bottom of an old gold mining pit, about 200 yards northwest of where the dirt road crosses Oregon Gulch creek, about 1/4 mile north of the cemetery, about 1 1/2 mil south of Crystal Hill, about 5 miles (air) east of Oroville Dam. 304 Comment
  CHSC99001  Isolepis setacea Lowell Ahart 2008-5-30 14796 Butte Dry to damp granite soil, small meadow, bottom of an old gold mined area, about 150 yeards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  CHSC99760  Isolepis setacea Lowell Ahart 2008-7-23 15149 Butte On the north edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS114585  Isolepis setacea Lowell Ahart 2008-5-30 14796 Butte Dry to damp granite soil, small meadow, bottom of an old gold mined area, about 150 yeards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 305 Comment
  JEPS114774  Isolepis setacea Lowell Ahart 2008-7-23 15149 Butte On the north edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam 258 Comment
  JEPS122001  Isolepis setacea Lowell Ahart 2014-5-13 19467 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 200 yards southwest of the poor parking area, about 11 miles (air) east of Oroville. Comment
  JEPS98569  Isolepis setacea Lowell Ahart 2000-6-6 8454 Butte 5 mi (air) E of Oroville Dam (bottom of old gold mining pit, E of where dirt road crosses Oregon Gulch creek, 1/4 mi NE of cemetary, 1 1/2 mi S of Crystal Hill) 304 Comment
  CAS-BOT-BC340243  Jensia rammii Lewis S. Rose 1937-6-10 37357 Butte Hurleton 579 Comment
  CHSC99485  Jensia rammii Lowell Ahart 2008-6-13 14823 Butte Small meadow, bottom of an old gold mined area, about 350 yards southwest of the cemetery, about 50 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  JEPS114387  Jensia rammii Lowell Ahart 2008-6-13 14823 Butte Bottom of an old gold mined area, about 350 yards southwest of the cemetery, about 50 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 305 Comment
  CAS-BOT-BC109890  Juncus Lowell Ahart 1981-8-31 3058 Butte Sierra Nevada. About 0.5 mile southwest of the intersection of Black Bart Road and Forbestown Road, west of Forbestown. 750 Comment
  CAS-BOT-BC109891  Juncus Lowell Ahart 1982-6-1 3527 Butte Sierra Nevada. About 0.5 mile southwest of the intersection of Black Bart Road and Forbestown Road, west of Forbestown. 750 Comment
  CHSC36891  Juncus L. Ahart 1982-6-1 3527 Butte Along the road, ca. 1/2 mi sw of the jct of Black Bart Rd and Forbestown Rd, w of Forbestown. 750 Comment
  CHSC50694  Juncus acuminatus Lowell Ahart 1990-5-25 6486 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC98998  Juncus acuminatus Lowell Ahart 2008-5-30 14802 Butte Dry to damp bare granite soil, along a small drainage, below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10 1/2 miles (air) northeast of Oroville. 223 Comment
  CHSC99749  Juncus acuminatus Lowell Ahart 2008-7-23 15140 Butte On the north edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  CHSC99756  Juncus acuminatus Lowell Ahart 2008-6-13 14827 Butte In shallow water and on wet soil, bottom of Oregon Gulch, bottom of an old gold mined area, about 400 yards southwest of the cemetery, about 10 miles (air) northeast of Oroville. 305 Comment
  JEPS114885  Juncus acuminatus Lowell Ahart 2008-5-30 14802 Butte Dry to damp bare granite soil, along a small drainage, below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10 1/2 miles (air) northeast of Oroville 223 Comment
  JEPS114986  Juncus acuminatus Lowell Ahart 2008-6-13 14827 Butte In shallow water and on wet soil, bottom of Oregon Gulch, bottom of an old gold mined area, about 400 yards southwest of the cemetery, about 10 miles (air) northeast of Oroville 305 Comment
  RSA742780  Juncus acuminatus L. Ahart 2008-5-30 14802 Butte Below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10.5 miles (air) northeast of Oroville. Comment
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May 4 2010
  CHSC30435  Juncus articulatus L. Ahart 1980-7-29 2508 Butte Lower Forbestown Rd ca 1/4 mi N of the intersection with Robinson Mill Rd, W of the town of Forbestown. 750 Comment
  CHSC44522  Juncus balticus subsp. ater Lowell Ahart 1988-6-23 6070 Butte In the meadow, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC74020  Juncus balticus subsp. ater B. Castro 1998-6-18 793 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. Moist meadow, at end of old dirt rd at E edge of old homestead site. 929 Comment
  CHSC99746  Juncus balticus subsp. ater Lowell Ahart 2008-6-13 14815 Butte East of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 311 Comment
  JEPS114976  Juncus balticus subsp. ater Lowell Ahart 2008-6-13 14815 Butte East of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 311 Comment
  JEPS114422  Juncus brachyphyllus Lowell Ahart 2008-7-9 15069 Butte Along a small drainage, below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10 1/2 miles (air) northeast of Oroville 223 Comment
  JEPS114975  Juncus brachyphyllus Lowell Ahart 2008-6-13 14814 Butte Bottom of a small mined wash, about 50 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 324 Comment
  JEPS114980  Juncus brachyphyllus Lowell Ahart 2008-6-13 14821 Butte East side of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 311 Comment
  JEPS98459  Juncus brachyphyllus Lowell Ahart 2000-6-6 8459 Butte 5 air miles E of Oroville Dam (old gold mining pit, 200 yds NW of where the dirt road crosses Oregon Gulch creek, about 1/4 mi NE of the cemetery, 1 1/2 mi S of Crystal Hill) 304 Comment
  UC1562288  Juncus bufonius Lowell Ahart 1990-7-4 6545 Butte about 0.5 mi sw Enterprise Bridge across Lake Oroville (along McCabe Creek); Lake Oroville, McCabe Creek 243 Comment
  UC1562416  Juncus bufonius Lowell Ahart 1990-5-25 6484 Butte about 0.12 mi nw Enterprise Bridge across Lake Oroville (e of the Enterprise Boat Launch Area); Lake Oroville 243 Comment
  CHSC47530  Juncus bufonius var. bufonius Lowell Ahart 1980-5-4 2214 Butte About 150 feet south-west of the intersection of Forbestown Road and Hurleton Swedes Flat Road, about 1/2 mile south-east of Hurleton. 548 Comment
  CHSC50695  Juncus bufonius var. bufonius Lowell Ahart 1990-5-25 6484 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51026  Juncus bufonius var. bufonius Lowell Ahart 1990-7-4 6545 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile southwest of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC98806  Juncus bufonius var. bufonius Lowell Ahart 2008-5-2 14707 Butte Below the high water line of Lake Oroville, about 100 yards southwest of the Enterprise Boat Launch Area, about 10-1/2 miles (air) northeast of Oroville. 238 Comment
  CHSC98958  Juncus bufonius var. bufonius Lowell Ahart 2008-5-12 14731 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  CHSC99011  Juncus bufonius var. bufonius Lowell Ahart 2008-5-30 14795 Butte Dry to damp granite soil, small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  CHSC99312  Juncus bufonius var. bufonius Lowell Ahart 2008-5-30 14803 A Butte Along a small drainage, below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10 1/2 miles (air) northeast of Oroville. 223 Comment
  CHSC99321  Juncus bufonius var. bufonius Lowell Ahart 2008-5-30 14803 Butte Along a small drainage, below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10 1/2 miles (air) northeast of Oroville. 223 Comment
  JEPS114371  Juncus bufonius var. bufonius Lowell Ahart 2008-5-30 14803 Butte Along a small drainage, below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10 1/2 miles (air) northeast of Oroville 223 Comment
  JEPS114373  Juncus bufonius var. bufonius Lowell Ahart 2008-5-2 14707 Butte Below the high water line of Lake Oroville, about 100 yards southwest of the Enterprise Boat Launch Area, about 10-1/2 miles (air) northeast of Oroville 238 Comment
  JEPS114380  Juncus bufonius var. bufonius Lowell Ahart 2008-5-12 14731 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  JEPS114389  Juncus bufonius var. bufonius Lowell Ahart 2008-5-30 14795 Butte Dry to damp granite soil, small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 305 Comment
  JEPS120619  Juncus bufonius var. bufonius Lowell Ahart 2013-11-13 19240 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  RSA0118937  Juncus bufonius var. bufonius Lowell Ahart 2013-11-13 19240 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 244 Comment
  CHSC46425  Juncus capitatus Lowell Ahart 1989-5-28 6282 Butte In a mined over area south of Oregon Gulch Road, about 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC47540  Juncus capitatus Lowell Ahart 1980-5-4 2207 Butte About 150 feet south-west of the intersection of Forbestown Road and Hurleton Swedes Flat Road, about 1/2 mile south-east of Hurleton. 548 Comment
  CHSC115469  Juncus cyperoides L. P. Janeway; Emily Meigs Doe 2015-4-29 11669 Yuba Northern High Sierra Nevada. Plumas National Forest; along Oroville-Wyandotte Canal at the eastern-most end of Road 19N32; about 0.8 km east of Weiss Hill Road and Forbestown Road. 838 Comment
  CHSC115687  Juncus cyperoides Emily Meigs Doe 2015-5-11 27 Butte Northern High Sierra Nevada. Plumas National Forest. About 2 miles (air) NW of Forbestown. About 200 ft. SE of Rd. 19N19, approx. 0.82 mi. (air) NE of its intersection with Ponderosa Way. 768 Comment
  CHSC37727  Juncus cyperoides L. Ahart 1981-8-31 3058 Butte Along Black Bart Rd, ca. 1 mi w of the jct of Black Bart Rd and Oroville-Forbestown Rd, w of Forbestown. 750 Comment
  CHSC39021  Juncus cyperoides L. Ahart 1981-7-24 2999 Butte North edge of Black Bart Road ca. 1/2 mile west of its junction with the Oroville-Forbestown Road. 700 Comment
  CHSC49608  Juncus cyperoides Vernon Oswald 1985-6-15 1837 Butte Black Bart Rd., 0.7 mi sw of Forbestown Rd. 662 Comment
  JEPS120831  Juncus cyperoides Lowell Ahart 2013-7-1 18820 Butte On the E side of Black Bart Road, about 3/4 mile by road SW from the intersection of Forbestown Road and Black Bart Road, 3.5 air miles SW of Forbestown. Comment
  CHSC30437  Juncus dubius L. Ahart 1980-7-29 2512 Butte Gutter along Lower Forbestown Rd., (Ponderosa Rd.) ca. 1/4 mi N of the intersection with Robinson Mill Rd., W of Forbestown. 750 Comment
  CHSC30954  Juncus dubius L. Ahart 1980-7-4 2458 Butte Small meadow near the jct of Forbestown Rd and Black Bart Rd, ca. 1 mi w of Robinson Mill Rd, w of Forbestown. 750 Comment
  CHSC44443  Juncus dubius Lowell Ahart 1988-6-23 6072 Butte In the meadow, south of the intersection of Black bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC74143  Juncus dubius B. Castro 1998-7-8 806 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. 929 Comment
  CHSC99753  Juncus effusus subsp. effusus Lowell Ahart 2008-7-23 15144 Butte On the north side of the South Fork of the Feather River, about 10 yards west of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS114881  Juncus effusus subsp. effusus Lowell Ahart 2008-7-23 15144 Butte On the north side of the South Fork of the Feather River, about 10 yards west of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam 258 Comment
  CDA43012  Juncus effusus subsp. pacificus L. Ahart 2008-7-23 15152 Butte On the east side of McCabe Creek, below the high water line of Lake Oroville, about 100 yards southwest of the poor parking area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. Comment
  CHSC30436  Juncus effusus subsp. pacificus L. Ahart 1980-7-29 2506 Butte Along edges of road in gutters. Lower Forbestown Rd (Ponderosa Way) ca 1/4 mi N of intersection with Robinson Mill Rd, W of Forbestown. 750 Comment
  CHSC99750  Juncus effusus subsp. pacificus Lowell Ahart 2008-7-23 15152 Butte On the east side of McCabe Creek, below the high water line of Lake Oroville, about 100 yards southwest of the poor parking area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 243 Comment
  CHSC99762  Juncus effusus subsp. pacificus Lowell Ahart 2008-7-23 15141 Butte On the east side of Sucker Creek, about 5 yards north of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  HSC104028  Juncus effusus subsp. pacificus L. Ahart 2008-7-23 15152 Butte About 11 mi. E of Oroville, ~ 0.75 mi. SW of the Enterprise Bridge, on the east side of McCabe Creek, below the high water line of Lake Oroville 243 Comment
  JEPS114880  Juncus effusus subsp. pacificus Lowell Ahart 2008-7-23 15152 Butte On the east side of McCabe Creek, below the high water line of Lake Oroville, about 100 yards southwest of the poor parking area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 243 Comment
  JEPS114882  Juncus effusus subsp. pacificus Lowell Ahart 2008-7-23 15141 Butte On the east side of Sucker Creek, about 5 yards north of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam 258 Comment
  RSA0113968  Juncus effusus subsp. pacificus Lowell A. Ahart 2008-7-23 15141 Butte On the east side of Sucker Creek, about 5 yards north of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 0.25 mile west of the Ponderosa Dam. 258 Comment
  RSA0113969  Juncus effusus subsp. pacificus Lowell A. Ahart 2008-7-23 15144 Butte On the north side of the South Fork of the Feather River, about 10 yards west of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 0.25 miles west of the Ponderosa Dam. 258 Comment
  SD192836  Juncus effusus subsp. pacificus Lowell Ahart 2008-7-23 15141 Butte On the east side of Sucker Creek, ca. 5 yards north of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, ca. 0.25 mile west of the Ponderosa Dam. 257 Comment
  UCD141503  Juncus effusus subsp. pacificus L. Ahart 2008-7-23 15152 Butte on the east side of McCabe Creek, below the high water line of Lake Oroville, about 100 yards southwest of the poor parking area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 243 Comment
  CHSC50697  Juncus ensifolius Lowell Ahart 1990-5-25 6488 Butte Along a small stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 259 Comment
  CHSC99313  Juncus ensifolius Lowell Ahart 2008-5-30 14801 Butte Along a small drainage, below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10 1/2 miles (air) northeast of Oroville. 223 Comment
  CHSC99488  Juncus ensifolius Lowell Ahart 2008-7-23 15142 Butte North side of the South Fork of the Feather River, about 10 yards west of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS114775  Juncus ensifolius Lowell Ahart 2008-7-23 15142 Butte on the N side of the South Fork of the Feather River, about 10 yds W of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mi W of the Ponderosa Dam 258 Comment
  JEPS114888  Juncus ensifolius Lowell Ahart 2008-5-30 14801 Butte Along a small drainage, below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10 1/2 miles (air) northeast of Oroville 223 Comment
  RSA742781  Juncus ensifolius L. Ahart 2008-7-23 15142 Butte About 10 yards west of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
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Feb 2 2010
  UC1562429  Juncus ensifolius Lowell Ahart 1990-5-25 6488 Butte about 0.12 mi nw Enterprise Bridge across Lake Oroville (e of Enterprise Boat Launch Area, below the high water line of Lake Oroville); Lake Oroville 259 Comment
  CHSC44444  Juncus howellii Lowell Ahart 1988-6-23 6071 Butte In the meadow, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC78212  Juncus kelloggii Lowell Ahart 2000-6-6 8455 A Butte In tire ruts on the bottom of an old gold mining pit, about 200 yards northwest of where the dirt road crosses Oregon Gulch creek, about 1/4 mile north of the cemetery, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville Dam. 304 Comment
  CHSC99000  Juncus kelloggii Lowell Ahart 2008-5-30 14794 Butte Dry to damp granite soil, small meadow, bottom of an old gold mined area, about 150 yeards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  JEPS114891  Juncus kelloggii Lowell Ahart 2008-5-30 14794 Butte Dry to damp granite soil, small meadow, bottom of an old gold mined area, about 150 yeards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 305 Comment
  JEPS98332  Juncus kelloggii Lowell Ahart 2000-6-6 8455 A Butte 5 air miles E of Oroville Dam (old gold mining pit, 200 yds NW of where the dirt road crosses Oregon Gulch creek, about 1/4 mi NE of the cemetery, 1 1/2 mi S of Crystal Hill) 304 Comment
  JEPS98682  Juncus kelloggii Lowell Ahart 2000-6-6 8455 A Butte 5 mi(air)E of Oroville Dam (in tire ruts, bottom of old gold mining pit 200 yds NW of dirt road crossing Oregon Gulch creek, 1/4 mi N of cemetary, 1 1/2 mi S of Crystal Hill) 304 Comment
  CHSC99748  Juncus nevadensis var. nevadensis Lowell Ahart 2008-7-23 15153 Butte On the west side of McCabe Creek, below the high water line of Lake Oroville, about 100 yards southwest of the poor parking area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 243 Comment
  JEPS114887  Juncus nevadensis var. nevadensis Lowell Ahart 2008-7-23 15153 Butte On the west side of McCabe Creek, below the high water line of Lake Oroville, about 100 yards southwest of the poor parking area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 243 Comment
  CDA28692  Juncus occidentalis L. Ahart 2008-6-13 14816 Butte East side of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast from Oroville. Elevation: 1021 (GPS) feet. 0 Comment
  CHSC99745  Juncus occidentalis Lowell Ahart 2008-6-13 14816 B Butte Along a small road, small meadow, bottom of an old gold mined area, about 180 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 311 Comment
  CHSC99755  Juncus occidentalis Lowell Ahart 2008-6-13 14816 A Butte East side of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 311 Comment
  CHSC99758  Juncus occidentalis Lowell Ahart 2008-6-13 14816 Butte East of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 311 Comment
  JEPS114977  Juncus occidentalis Lowell Ahart 2008-6-13 14816 Butte East side of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 311 Comment
  CHSC116211  Juncus orthophyllus Lowell Ahart 2015-6-16 20245 Yuba Near the water ditch, about 100 yards south of the poor dirt road, about 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. 829 Comment
  JEPS124412  Juncus orthophyllus Lowell Ahart 2015-6-16 20245 Yuba About 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. Comment
  CHSC31129  Juncus oxymeris L. Ahart 1980-7-4 2463 Butte In a small meadow near the jct of Forbestown Rd and Black Bart Rd, ca. 1 mi w of Robinson Mill Rd, w of Forbestown. 750 Comment
  CHSC44525  Juncus oxymeris Lowell Ahart 1988-6-23 6069 Butte In the meadow, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC74026  Juncus oxymeris B. Castro 1998-7-8 804 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. Along footpath. 929 Comment
  CHSC99486  Juncus oxymeris Lowell Ahart 2008-6-13 14817 Butte East side of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 311 Comment
  JEPS114979  Juncus oxymeris Lowell Ahart 2008-6-13 14817 Butte E side of a small meadow, bottom of an old gold mined area, about 150 yds W of the cemetary, about 150 yds N of Oregon Gulch, about 10 mi (air) NE of Oroville 311 Comment
  CHSC50698  Juncus tenuis Lowell Ahart 1990-5-25 6483 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile northwest of the Enterprise Bridge across Lake Oroville. 259 Comment
  CHSC98993  Juncus tenuis Lowell Ahart 2008-6-2 14804 Butte Damp bare granite soil, below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, about 50 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 243 Comment
  CHSC99817  Juncus tenuis Lowell Ahart 2008-7-23 15143 Butte On the north side of the South Fork of the Feather River, about 10 yards west of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS114773  Juncus tenuis Lowell Ahart 2008-7-23 15143 Butte On the north side of the South Fork of the Feather River, about 10 yards west of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam 258 Comment
  JEPS114823  Juncus tenuis Lowell Ahart 2008-6-2 14804 Butte below the high water mark of Lake Oroville, on the N side of the South Fork of the Feather River, about 50 yds E of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mi NW of the Ponderosa Dam 243 Comment
  RSA0035818  Juncus tenuis Lowell A. Ahart 2008-6-2 14804 Butte Below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, about 50 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 243 Comment
  RSA0113970  Juncus tenuis Lowell A. Ahart 2008-7-23 15143 Butte On the north side of the South Fork of the Feather River, about 10 yards west of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 0.25 miles west of the Ponderosa Dam. 258 Comment
  UC1562428  Juncus tenuis Lowell Ahart 1990-5-24 6483 Butte about .12 mi nw Enterprise Bridge across Lake Oroville (e of Enterprise Boat Launch Area, below the high water line of Lake Oroville); Lake Oroville 259 Comment
  UCD169268  Juncus tenuis Lowell Ahart 2008-6-2 14804 Butte On the north side of the South Fork of the Feather River. About 50 yards east of where Sucker Creek enters the South Fork of Feather River. About 1/4 mile northwest of the Ponderosa Dam. 243 Comment
  CAS-BOT-BC279903  Juncus trilocularis Lowell Ahart 2008-6-13 14814 Butte About 50 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 324 Comment
  CHSC100342  Juncus trilocularis Lowell Ahart 2008-7-9 15069 Butte Along a small drainage, below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10 1/2 miles (air) northeast of Oroville. 223 Comment
  CHSC78214  Juncus trilocularis Lowell Ahart 2000-6-6 8459 Butte In a meadow on the bottom of an old gold mining pit, about 200 yards northwest of where the dirt road crosses Oregon Gulch creek, about 1/4 mile north of the cemetery, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville. 304 Comment
  CHSC99819  Juncus trilocularis Lowell Ahart 2008-6-13 14814 Butte Bottom of a small mined wash, about 50 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 324 Comment
  CHSC99820  Juncus trilocularis Lowell Ahart 2008-6-13 14821 Butte East side of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 311 Comment
  CHSC113115  Kickxia elatine Lowell Ahart 2013-11-18 19286 Butte Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  JEPS120588  Kickxia elatine Lowell Ahart 2013-11-18 19286 Butte Below the high-water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2.5 air miles northeast of Hurleton. Comment
  CHSC23405  Kumlienia hystricula M. S. Taylor 1976-3-6 1009 Butte Along Macabes Creek, ca. 100 yds e of Lumpkin Rd, ca. 1 mi e of Forbestown Rd, ca. 12 mi e of Oroville. 1097 Comment
  CHSC28910  Kumlienia hystricula M. S. Taylor 1980-2-17 2367 Butte In embankment of creek at an old mine site, ca. 1/2 mi sw of lower Forbestown Rd, ca. 3 mi w of Forbestown. 396 Comment
  CHSC33693  Kumlienia hystricula L. Ahart 1981-4-29 2717 Butte Along edges of a small stream near Ponderosa Dam, near Forbestown. 500 Comment
  CHSC41996  Kumlienia hystricula Lowell Ahart 1975-3-7 707 Butte Along a small stream, along Ponderosa Way, about 2 miles south of the Ponderosa Dam, north-west of Forbestown. 426 Comment
  CHSC52820  Kumlienia hystricula R. E. Preston 1982-3-27 208 Butte N bank of McCabe Cr; ca. 1.7 mi s of Enterprise bridge over Lake Oroville, ca. 11 mi e of Oroville. 451 Comment
  CHSC52822  Kumlienia hystricula Leslie Steidl 1980-3-19 5 Butte Ca. 16.5 mi e of Oroville on e side of Lumpkin Rd. 150 yd upstream on McCabe Creek. 384 Comment
  CHSC31920  Lactuca serriola M. S. Taylor; T. Devine, M. Merryman 1981-2-11 3377 Butte On road embankment, e side of Lumpkin Rd, ca. 200 ft n of Macabes Creek, ca. 2 mi n of jct of Lumpkin Rd and Oroville-Quincy Hwy (162), ca. 13 mi ne of Oroville. 457 Comment
  CDA34700  Lathyrus angulatus L. Ahart 2010-5-5 16607 Butte Parking area east of McCabe Creek, a few feet below the high water line of Lake Oroville, about 11 miles (air) northeast of Oroville. Comment
  CHSC103678  Lathyrus angulatus Lowell Ahart 2010-5-5 16607 Butte Parking area east of McCabe Creek, a few feet below the high water line of Lake Oroville. About 11 miles (air) northeast of Oroville. 263 Comment
  CHSC113350  Lathyrus angulatus Lowell Ahart 2014-5-13 19461 Butte Below the high water line of Lake Oroville, along the old paved road, about 50 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of Oroville. 259 Comment
  CHSC98994  Lathyrus angulatus Lowell Ahart 2008-5-21 14770 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS114974  Lathyrus angulatus Lowell Ahart 2008-5-21 14770 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  JEPS117244  Lathyrus angulatus L. Ahart 2010-5-5 16607 Butte Parking area east of McCabe Creek, a few feet below the high water line of Lake Oroville, about 11 air miles northeast of Oroville 264 Comment
  JEPS122007  Lathyrus angulatus Lowell Ahart 2014-5-13 19461 Butte Below the high water line of Lake Oroville, along the old paved road, about 50 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of Oroville. Comment
  RSA767796  Lathyrus angulatus L. Ahart 2010-5-5 16607 Butte Parking area east of McCabe Creek, a few feet below the high water line of Lake Oroville, about 11 air miles northeast of Oroville 264 Comment
  SEINET12765126  Lathyrus angulatus Lowell Ahart 2014-5-13 19461 Butte About 150 yards west of the Enterprise Boat Ramp, about 1 miles (air) east of Oroville.; 0 850 Comment
  CHSC112690  Lathyrus latifolius Lowell Ahart 2013-7-1 18814 Butte Meadow, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC113653  Lathyrus latifolius L. P. Janeway 2014-5-29 11279 Butte Northern High Sierra Nevada. Plumas National Forest; at junction of Roads 18N18 and 19N40 (but 19N40 doesn't exist here anymore). 1.0 air-km north of top of Sunset Hill; upper slopes high above South Fork Feather River arm of Lake Oroville. 774 Comment
  CHSC116216  Lathyrus latifolius Lowell Ahart 2015-6-16 20247 Yuba Near the water ditch, about 100 yards south of the poor dirt road, about 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. 829 Comment
  JEPS120834  Lathyrus latifolius Lowell Ahart 2013-7-1 18814 Butte About 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  CHSC115496  Lathyrus nevadensis var. nevadensis L. P. Janeway 2015-3-16 11639 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way at Road 19N19, 1.0 road-km northwest of Lower Forbestown Road, just before the canyon becomes steep into South Fork Feather River arm of Lake Oroville. 747 Comment
  SD122540  Lathyrus sulphureus Lowell Ahart 1984-6-8 4661 Butte Along Ponderosa Way, ca. 1/8 mile west of Ponderosa Dam, ca. 2 miles NW of Forbestown 370 Comment
  CHSC30039  Lathyrus tingitanus L. Ahart 1980-5-17 2304 Butte Around the Oak Grove Cemetary, ca. 1/2 mi se of Hurleton. 600 Comment
  SJSU966  Layia fremontii M. Reed 1948-5-1 Butte 10 mi W of Oroville Comment
  CHSC116581  Leontodon saxatilis subsp. longirostris L. P. Janeway 2015-6-30 11787 A Yuba Northern High Sierra Nevada. Plumas national Forest; Weiss Hill Meadow, a large meadow 600 air-km east-southeast of junction of Weiss Hill Road and Forbestown Road; at the head of a minor northwestern tributary to New York Creek. 853 Comment
  CHSC44373  Leontodon saxatilis subsp. longirostris Lowell Ahart 1988-6-23 6064 Butte Meadow, north of Forbestown Road, about 1 1/2 mile east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC50651  Leontodon saxatilis subsp. longirostris Lowell Ahart 1990-5-25 6494 Butte Below the high water line of Lake Oroville, about 1/8 mile west of the Enterprise Boat Launch Area, about 1 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC99306  Leontodon saxatilis subsp. longirostris Lowell Ahart 2008-5-21 14768 Butte Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  CHSC99323  Leontodon saxatilis subsp. longirostris Lowell Ahart 2008-5-8 14728 Butte Below the high water line of Lake Oroville, about 250 yards south of the poor parking area, on the east side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  JEPS114714  Leontodon saxatilis subsp. longirostris Lowell Ahart 2008-5-21 14768 Butte Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  CAS-BOT-BC215732  Lepechinia calycina Lowell Ahart 1989-5-29 6305 Butte Along Robinson Mill Road, about 1 1/2 miles south of Forbestown Road 670 Comment
  CHSC46380  Lepechinia calycina Lowell Ahart 1989-5-29 6305 Butte Along Robinson Mill Road, about 1 1/2 miles south of Forbestown Road. 670 Comment
  CHSC113164  Lessingia nemaclada Lowell Ahart 2013-11-13 19253 Butte Between the road and the large cutbank, about 50 yards southeast of the Ponderosa Dam spillway. 299 Comment
  JEPS120622  Lessingia nemaclada Lowell Ahart 2013-11-13 19253 Butte About 50 yards southeast of the Ponderosa Dam spillway. Comment
  RSA0118939  Lessingia nemaclada Lowell Ahart 2013-11-13 19253 Butte Between the road and the large cutbank, about 50 yards southeast of the Ponderosa Dam spillway. 300 Comment
  CHSC115483  Lilium humboldtii subsp. humboldtii L. P. Janeway; Emily Meigs Doe 2015-4-14 11665 Butte Northern High Sierra Nevada. Plumas National Fore ... Field redacted by CHSC, contact the data manager for more information 747 Comment
  SJSU967  Limnanthes alba A. Retan 1948-5-1 Butte 10 mi W of Oroville Comment
  CHSC40896  Lindernia dubia var. anagallidea Lowell Ahart 1985-11-5 5226 Butte 90 feet below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek flows into the river, about 1/2 mile wes of the Ponderosa Dam. 274 Comment
  CHSC50689  Lindernia dubia var. anagallidea Lowell Ahart 1990-5-25 6485 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51015  Lindernia dubia var. anagallidea Lowell Ahart 1990-7-4 6541 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51016  Lindernia dubia var. anagallidea Lowell Ahart 1990-8-15 6580 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 228 Comment
  CHSC51019  Lindernia dubia var. anagallidea Lowell Ahart 1990-7-15 6559 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  JEPS120608  Lindernia dubia var. anagallidea Lowell Ahart 2013-11-13 19237 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  UC1562296  Lindernia dubia var. anagallidea Lowell Ahart 1990-7-15 6559 Butte about 0.25 mi nw Enterprise Bridge across Lake Oroville (e of Enterprise Boat Launch Area, below the high water line of Lake Oroville); Lake Oroville 243 Comment
  UC1562492  Lindernia dubia var. anagallidea Lowell Ahart 1990-8-15 6580 Butte about 0.5 mi sw Enterprise Bridge across Lake Oroville (along McCabe Creek, below the high water line of Lake Oroville); Lake Oroville, McCabe Creek 228 Comment
  CHSC109566  Linum bienne L. P. Janeway 2012-6-27 10918 Butte Northern High Sierra Nevada. On top of Sunset Hill. Edge of old disturbance surrounding fire lookout, radio towers and outbuildings. 1011 Comment
  CHSC30035  Linum bienne L. Ahart 1980-5-4 2203 Butte About 50 m southwest of the intersection of Forbestown Rd and Hurleton Swedes Flat Rd, ca. 1/2 mi se of Hurleton. 600 Comment
  CHSC44406  Linum bienne Lowell Ahart 1988-6-23 6076 Butte In deep ditch, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC51023  Lipocarpha Lowell Ahart 1990-7-15 6566 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51024  Lipocarpha Lowell Ahart 1990-7-4 6547 Butte Along McCabe Creek, below the high water line of Lake Orovile, abou 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC85004  Lipocarpha micrantha L. P. Janeway 2003-9-3 7974 Butte Northern High Sierra Nevada. A little below high water line on north side of South Fork Feather River arm of Lake Oroville, about 35 m west of the Enterprise Boat Ramp, about 1.6 km west-northwest of the north end of Enterprise Bridge. 268 Comment
  JEPS120620  Lipocarpha micrantha Lowell Ahart 2013-11-13 19239 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  RSA0106687  Lipocarpha micrantha Lowell Ahart 2013-11-13 19239 Butte Below high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 244 Comment
  UC1562290  Lipocarpha micrantha Lowell Ahart 1990-7-4 6547 Butte about 1/2 mi sw of the Enterprise Bridge across Lake Oroville (along McCabe Creek); , McCabe Creek 243 Comment
  UC1562297  Lipocarpha micrantha Lowell Ahart 1990-7-15 6566 Butte about 1/4 mi nw of the Enterprise Bridge across Lake Oroville (e of the Enterprise Boat Launch Area) 243 Comment
  CAS-BOT-BC430880  Lithophragma bolanderi Lowell Ahart 1980-5-25 2336 Butte Near Old Forbestown. 950 Comment
  CHSC118507  Lithophragma bolanderi L. P. Janeway 2016-5-9 11957 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way andRoad 19N19. 701 Comment
  CHSC50645  Logfia filaginoides Lowell Ahart 1990-5-25 6480 Butte Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 271 Comment
  CHSC116999  Logfia gallica Lowell Ahart 2016-6-4 20922 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. 387 Comment
  CHSC117003  Logfia gallica Lowell Ahart 2016-6-4 20928 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. 732 Comment
  JEPS127021  Logfia gallica Lowell Ahart 2016-6-4 20922 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. Comment
  UC1562424  Logfia gallica Lowell Ahart 1990-5-25 6480 Butte about 1/8 mi nw Enterprise Bridge (e of the Enterprise Boat Launch Area, below the highwater line of Lake Oroville); Lake Oroville 271 Comment
  CDA2244  Lolium perenne L. Ahart 2002-6-2 9675 Butte East of the large exposed drain pipe, road cut on the south side of Lumpkin Road, about 1 mile northeast of the intersection of Lumpkin Road and Forbestown Road, about 12 miles (air) east of Oroville. Comment
  CHSC82365  Lolium perenne Lowell Ahart 2002-6-2 9675 Butte Drainage, east of the large exposed drain pipe, road cut on the south side of Lumpkin Road, about 1 mile northeast of the intersection of Lumpkin Road and Forbestown Road, about 12 miles (air) east of Oroville. 548 Comment
  JEPS103519  Lolium perenne Lowell Ahart 2002-6-2 9675 Butte Drainage, E of the large exposed drain pipe, road cut on the S side of Lumpkin Road, ca 1 mile NE of the intersection of Lumpkin Road and Forbestown Road, ca 12 miles (air) E of Oroville. 548 Comment
  CHSC117002  Lomatium marginatum var. marginatum Lowell Ahart 2016-6-4 20931 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. 732 Comment
  CHSC42623  Lomatium marginatum var. marginatum Vernon Oswald 1985-6-15 1835 Butte Black Bart Rd. ca. 1 mi se of Lampkin Rd. 640 Comment
  CHSC96380  Lomatium marginatum var. marginatum L. P. Janeway 2006-5-24 8622 Yuba Northern High Sierra Nevada Foothills. East side of Ponderosa Way 1.3 km north of La Porte Road and Brownsville. 686 Comment
  CHSC96405  Lomatium marginatum var. marginatum L. P. Janeway 2006-5-24 8612 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way 1.3 road km southeast of Robinson Mill Road; 1.3 air km southeast of Robinson Mills and Forbestown Road. 771 Comment
  JEPS113330  Lomatium marginatum var. marginatum L. P. Janeway 2006-5-24 8622 Yuba Northern Sierra Nevada Foothills. East side of Ponderosa Way 1.3 km north of La Porte Road & Brownsville. Comment
  CDA18830  Lonicera hispidula Riley, Ranft 1999-6-28 PDR 1145797 Butte along N/S Forbestown Rd, 1.4 mi E of Black Bart Rd., Oroville. 0 Comment
  CHSC113655  Lonicera hispidula L. P. Janeway 2014-5-29 11276 Butte Northern High Sierra Nevdda. Plumas National Forest; at junction of Roads 18N18 and 19N40 (but 19N40 doesn't exist here anymore). 1.0 air-km north of top of Sunset Hill; upper slopes high above South Fork Feather River arm of Lake Oroville. 774 Comment
  CHSC115688  Lonicera hispidula Emily Meigs Doe 2015-5-12 28 Butte Northern High Sierra Nevada. Plumas National Forest. About 2.75 mi. (air) NW of Forbestown. Roadside of Rd. 19N19, ap-proximately 750 ft. NE of its junction with Ponderosa Way. 746 Comment
  CHSC115689  Lonicera hispidula Emily Meigs Doe 2015-5-12 28 Butte Northern High Sierra Nevada. Plumas National Forest. About 2.75 mi. (air) NW of Forbestown. Roadside of Rd. 19N19, ap-proximately 750 ft. NE of its junction with Ponderosa Way. 746 Comment
  CHSC116577  Lonicera hispidula L. P. Janeway 2015-6-17 11780 Butte Northern High Sierra Nevada. Plumas National Forest; along east side of Lower Forbestown Road 0.15 km north of Ponderosa Way; 0.7 air-kim west-southwest of Sunset Hill. West-facing slope above the road. 815 Comment
  CHSC42018  Lonicera hispidula Lowell Ahart 1975-9-4 983 Butte West of Ponderosa Way, near Sunset Hill, about 3 miles west of Forbestown. 426 Comment
  CHSC44384  Lonicera hispidula Lowell Ahart 1988-6-23 6067 Butte Just east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC54337  Lonicera hispidula Lowell Ahart 1991-6-22 6664 Butte West of Springtown Road, near Lake Oroville. 304 Comment
  RSA0118763  Lonicera hispidula Lawrence P. Janeway 2014-5-29 11276 Butte Northern High Sierra Nevada. Plumas national Forest; at junction of Roads 18N18 and 19N40 (but 19N40 doesn't exist here anymore), 1.0 air km north of top of Sunset Hill; upper slopes high above South Fork Feather River arm of Lake Oroville. 774 Comment
  UC1586631  Lonicera hispidula var. vacillans Lowell Ahart 1991-6-22 6664 Butte near Lake Oroville (bottom of the abandoned water ditch, w of Springtown Road) 304 Comment
  CHSC46357  Lonicera interrupta Lowell Ahart 1989-5-29 6306 Butte Along Robinson Mill Road, about 11/2 miles south of Forbestown Road. 670 Comment
  SEINET7085240  Lonicera interrupta Steven R. Hill 2010-7-17 38551 Butte Junction of Forbestown Road and upper end of Black Bart Road. Elevation 2800 - 3000 feet [2442 feet]. Sierra Nevada. Coordinate Datum: WGS84/NAD83. 744 Comment
  UC1562430  Lotus argophyllus var. fremontii Lowell Ahart 1990-5-25 6482 Butte about .12 mi nw Enterprise Bridge across Lake Oroville (e of Enterprise Boat Launch Area, near the high water line of Lake Oroville); Lake Oroville 274 Comment
  CDA31942  Lotus humistratus L. Ahart 2008-5-12 14755 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. Comment
  JEPS114734  Lotus humistratus Lowell Ahart 2008-5-12 14755 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  CDA31940  Lotus micranthus L. Ahart 2008-5-12 14733 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. Comment
  JEPS114735  Lotus micranthus Lowell Ahart 2008-5-12 14733 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  RSA754946  Lotus micranthus L. Ahart 2008-5-12 14733 Butte Lake Oroville, on the east side of Sucker Creek, about 40-100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  UC1562277  Lotus nevadensis Lowell Ahart 1990-7-4 6539 Butte 0.5 mi sw Enterrpise Bridge across Lake Oroville (near McCabe Creek, below the high water line); Sierra Nevada, Lake Oroville 243 Comment
  CDA31938  Lotus nevadensis var. nevadensis L. Ahart 2008-5-12 14729 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. Comment
  JEPS114722  Lotus nevadensis var. nevadensis Lowell Ahart 2008-5-12 14729 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  JEPS114728  Lotus nevadensis var. nevadensis Lowell Ahart 2008-5-8 14716 Butte Below the high water line of Lake Oroville, about 250 yards south of the poor parking area, on the east side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 259 Comment
  RSA754938  Lotus nevadensis var. nevadensis L. Ahart 2008-5-8 14716 Butte Lake Oroville, about 250-300 yards south of the poor parking area, on the west side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 air miles east of Oroville. 260 Comment
  UC1609058  Lotus stipularis var. ottleyi Lowell Ahart 1993-6-16 6066 Butte about 3.5 air mi sw Forbestown (sw of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  JEPS114736  Lotus strigosus Lowell Ahart 2008-5-12 14734 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  CHSC51007  Ludwigia palustris Lowell Ahart 1990-7-15 6565 Butte Along a small stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC60980  Lupinus albicaulis Lowell Ahart 1993-6-16 6965 Butte South-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown. 609 Comment
  JEPS122451  Lupinus albicaulis L. P. Janeway 2014-5-29 11277 Butte Northern High Sierra Nevada. Plumas National Forest; at junction of Roads 18N18 and 19N40 (but 19N40 doesn't exist here anymore). 1.0 air-km north of top of Sunset Hill; upper slopes high above South Fork Feather River arm of Lake Oroville. Quad Forbestown 7.5'. Comment
  UC1609293  Lupinus albicaulis Lowell Ahart 1993-6-16 6965 Butte about 3.5 (air) mi sw Forbestown (sw of the intersection of Black Bart Road and Forbestown Road); sw of Forbestown 609 Comment
  CHSC113654  Lupinus albicaulis var. albicaulis L. P. Janeway 2014-5-29 11277 Butte Northern High Sierra Nevada. Plumas National Forest; at junction of Roads 18N18 and 19N40 (but 19N40 doesn't exist here anymore). 1.0 air-km north of top of Sunset Hill; upper slopes high above South Fork Feather River arm of Lake Oroville. 774 Comment
  CHSC35985  Lupinus albicaulis var. shastensis J. D. Jokerst 1982-5-16 1571 Butte Ponderosa Way 0.5 mi N of its jct, with Lower Forbestown Road. 731 Comment
  CHSC34686  Lupinus albifrons M. S. Taylor 1981-5-5 3605 Butte E side of Lumpkin-LaPorte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 air mi e of Oroville. 457 Comment
  SEINET7073629 Image available Lupinus andersonii A. G. Vestal 1955-5-21 s.n. Butte About 15.3 miles east of Oroville on the Forbestown Road. UTM Zone 10, 645084mE, 4373885mN. Coordinate datum: NAD27. Comment
  CHSC98967  Lupinus bicolor var. tridentatus Lowell Ahart 2008-5-12 14750 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  JEPS114719  Lupinus bicolor var. tridentatus Lowell Ahart 2008-5-12 14750 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 258 Comment
  CHSC34684  Lupinus nanus M. S. Taylor 1981-5-5 3601 Butte E side of Lumpkin-LaPorte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 air mi e of Oroville. 457 Comment
  CHSC34689  Lupinus nanus M. S. Taylor 1981-5-5 3601 Butte E side of Lumpkin-LaPorte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 air mi e of Oroville. 457 Comment
  UC865523  Lupinus nanus A. A. Heller 1915-5-25 11890 Butte on the Forbestown road 15 mi e Oroville; e of Oroville 457 Comment
  UCD108996  Lupinus nanus A. A. Heller 1915-5-25 11890 Butte on the Forbestown road 15 miles east of Oroville. 457 Comment
  CHSC113126  Lupinus nanus var. vallicola Lowell Ahart 2013-11-18 19283 Butte Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  CHSC117850  Lupinus nanus var. vallicola L. P. Janeway 2016-5-9 11949 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19. 701 Comment
  JEPS120590  Lupinus nanus var. vallicola Lowell Ahart 2013-11-18 19283 Butte Below the high-water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2.5 air miles northeast of Hurleton. Comment
  CHSC117855  Lupinus polycarpus L. P. Janeway 2016-5-9 11946 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19. 701 Comment
  CHSC33557  Lupinus stiversii M. S. Taylor 1981-5-5 3596 Butte On e side of Lumpkin-LaPorte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 mi e of Oroville. 457 Comment
  CHSC90039  Lupinus stiversii Robert C. Hill 1990-4-12 18 Butte At entrance to Enterprise Boat Launch. 13 mi e of Oroville, 1 mi w of Enterprise Bridge. 457 Comment
  CHSC99017  Lupinus stiversii Lowell Ahart 2008-5-21 14782 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  CHSC116997  Luzula macrantha Lowell Ahart 2016-6-4 20927 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. 732 Comment
  CHSC118497  Luzula macrantha L. P. Janeway 2016-5-9 11951 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19. 701 Comment
  CHSC98955  Luzula macrantha Lowell Ahart 2008-5-8 14724 Butte Below the high water line of Lake Oroville, about 50 yards south of the poor parking area, McCabe Creek area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 264 Comment
  CHSC112442  Luzula subsessilis Lowell Ahart 2013-5-18 18698 Butte About 100 yards east of the intersection of Forbestown Road and the Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 763 Comment
  JEPS114964  Luzula subsessilis Lowell Ahart 2008-5-8 14724 Butte Below the high water line of Lake Oroville, about 50 yards south of the poor parking area, McCabe Creek area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 264 Comment
  JEPS120935  Luzula subsessilis Lowell Ahart 2013-5-18 18698 Butte About 100 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  CDA31936  Lychnis coronaria L. Ahart 2009-6-13 14826 Butte Banks of Oregon Gulch, bottom of an old gold mined area, about 400 yards southwest of the cemetery, about 10 air miles northeast of Oroville. Comment
  CHSC99480  Lychnis coronaria Lowell Ahart 2008-6-13 14826 Butte Banks of Oregon Gulch, bottom of an old gold mined area, about 400 yards southwest of the cemetery, about 10 miles (air) northeast of Oroville. 305 Comment
  JEPS114701  Lychnis coronaria Lowell Ahart 2008-6-13 14826 Butte banks of Oregon Gulch, about 400 yds SW of the cemetery, about 10 mi (air) NE of Oroville 305 Comment
  CHSC30953  Lythrum hyssopifolia L. Ahart 1980-7-4 2456 Butte Near the Oak Grove Cemetary, ca. 1/2 mi se of Hurleton. 600 Comment
  CHSC74070  Madia elegans subsp. elegans B. Castro 1998-7-28 801 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. In upper (NE) edge of meadow. 929 Comment
  CHSC84146  Madia elegans subsp. elegans Lowell Ahart 2003-6-30 10321 Butte North of the small stream, on the east side of Ponderosa Way, about 2 1/2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 578 Comment
  JEPS104323  Madia elegans subsp. elegans Lowell Ahart 2003-6-30 10321 Butte North of the small stream, on the e side of Ponderosa Way, ca 2 1/2 mi (by road) sw of the Ponderosa Dam, ca 2 mi (air) nw of Forbestown. 578 Comment
  RSA691019  Madia elegans subsp. elegans L. Ahart 2003-6-30 10321 Butte North of small stream, on the east side of Ponderosa Way, about 2.5 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown 578 Comment
  CHSC34031  Madia elegans subsp. vernalis L. Ahart 1981-7-7 2927 Butte Along edge of Black Bart Rd, ca. 1/2 mi w of the Oroville-Forbestown Rd, w of Forbestown. 700 Comment
  CAS-BOT-BC344311  Madia exigua Lewis S. Rose 1937-6-10 37359 Butte Hurleton 579 Comment
  CAS-BOT-BC344320  Madia exigua Lowell Ahart 1980-5-17 2307 Butte 1/2 mile south-east of Hurleton 600 Comment
  CHSC116988  Madia exigua Lowell Ahart 2016-6-4 20936 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. 732 Comment
  CHSC30038  Madia exigua L. Ahart 1980-5-17 2307 Butte A little east of the Oak Grove Cemetary, ca. 1/2 mi se of Hurleton. 600 Comment
  CHSC44374  Madia exigua Lowell Ahart 1988-6-23 6068 Butte In the meadow, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC46955  Madia exigua Lowell Ahart 1984-6-8 4666 Butte At the base of a cutbank, west of the little building at the south side of the Ponderosa Dam, about 2 miles north-west of Forbestown. 335 Comment
  CHSC99309  Madia exigua Lowell Ahart 2008-5-21 14769 Butte Below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, about 150 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  POM362160  Madia exigua L. S. Rose 1937-6-10 37359 Butte Hurleton 579 Comment
  UC830847  Madia exigua Lewis S. Rose 1937-6-10 37359 Butte Hurleton 579 Comment
  UCR66543  Madia exigua L. S. Rose 1937-6-10 37359 Butte Hurleton 579 Comment
  CAS-BOT-BC342967  Madia gracilis Lowell Ahart 1985-5-31 5035 Butte About 25 feet below the high water line of Lake Oroville, 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville 274 Comment
  CHSC40301  Madia gracilis Lowell Ahart 1985-5-31 5035 Butte About 25 feet below the high water line of Lake Oroville, 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville. 274 Comment
  CHSC84184  Madia gracilis Lowell Ahart 2003-6-30 10323 A Butte Near the small stream, on the southeast side of Ponderosa Way, about 2 1/2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 578 Comment
  JEPS104130  Madia gracilis Lowell Ahart 2003-6-30 10323 -A Butte Near the small stream, on the se side of Ponderosa Way, ca 2 1/2 mi (by road) sw of the Ponderosa Dam, ca 2 mi (air) nw of Forbestown. 578 Comment
  RSA691010  Madia gracilis subsp. gracilis L. Ahart 2003-6-30 10323 -A Butte On the southeast side of Ponderosa Way, about 2.5 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown 578 Comment
  RSA0035822  Madia rammii Lowell A. Ahart 2008-6-13 14823 Butte About 350 yards southwest of the cemetery, about 50 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  CAS-BOT-BC345235  Madia subspicata Lowell Ahart 1980-5-17 2306 Butte 1/2 mile south-east of Hurleton 600 Comment
  CHSC30042  Madia subspicata L. Ahart 1980-5-17 2306 Butte A little east of the Oak Grove Cemetary, ca. 1/2 mi se of Hurleton. 600 Comment
  CHSC98966  Medicago polymorpha Lowell Ahart 2008-5-12 14757 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  UCD110817  Melica Christopher Mallek 2008-1 DF1- 13 Yuba Daken Flat. 675 Comment
  UCD87159  Melica californica W. R. Powell 1968-5-17 1511 Butte Along new Oro-Feather Falls Road, 4 miles north-northwest of Rackerby. 548 Comment
  CHSC109843  Melica harfordii L. P. Janeway 2012-6-27 10914 Butte Northern High Sierra Nevada. Near the top of Sunset Hill, just a little over the north side. 1000 Comment
  CHSC116593  Melica harfordii L. P. Janeway 2015-6-17 11782 Butte Northern High Sierra Nevada. Plumas National Forest; along east side of Lower forbestown Road 0.6 km north-northeast of Ponderosa Way; 0.4 air-km west-northwest of Sunset Hill. 826 Comment
  UC204543  Melilotus indicus A. A. Heller 1914-7-13 11567 Butte 10 mi e Oroville; Mt. Ida Ranch Comment
  CAS-BOT-BC428753  Micranthes californica Lowell Ahart 1981-3-29 2715 Butte Along the edge of Ponderosa Way, about 1/8 mile south of the Ponderosa Dam, near Forbestown. 350 Comment
  CHSC33690  Micranthes californica L. Ahart 1981-3-29 2715 Butte Along edge of Ponderosa Way, ca. 1/8 mi s of Ponderosa Dam, near Forbestown. 350 Comment
  CAS-BOT-BC428992  Micranthes fragosa Lowell Ahart 1980-3-26 2067 Butte Near Hurleton. 600 Comment
  UC1562490  Mimulus cardinalis Lowell Ahart 1990-8-15 6581 Butte about 1/2 mi sw Enterprise Bridge across Lake Oroville; Lake Oroville, McCabe Creek 228 Comment
  CDA31944  Mimulus guttatus L. Ahart 2008-5-21 14774 A Butte Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam Comment
  CHSC98977  Mimulus guttatus Lowell Ahart 2008-5-12 14737 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS104643  Mimulus guttatus Lowell Ahart 2003-8-6 10477 Butte On cliffs, along a small stream, on the south side of Ponderosa Way, ca 2 mi (by road) sw of the Ponderosa Dam, ca 2 mi (air) nw of Forbestown. 497 Comment
  JEPS104651  Mimulus guttatus Lowell Ahart 2003-7-17 10419 Butte On the e side of Black Bart Rd, ca 1/2 mi w of the intersection of Forbestown Rd and Black Bart Rd, ca 4 mi (air) sw of Forbestown. 716 Comment
  JEPS114718  Mimulus guttatus Lowell Ahart 2008-5-21 14774 Butte Damp to dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  JEPS114732  Mimulus guttatus Lowell Ahart 2008-5-12 14737 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  RSA754947  Mimulus guttatus L. Ahart 2008-5-12 14737 Butte Lake Oroville, on the east side of Sucker Creek, about 40-100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  RSA754964  Mimulus guttatus L. Ahart 2008-5-21 14774 A Butte Lake Oroville, north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 0.25 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS114717  Mimulus nasutus Lowell Ahart 2008-5-21 14774 Butte Damp to dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam Comment
  CAS-BOT-BC22742  Moenchia erecta Lowell Ahart 1980-5-4 2192 Butte East of Oak Grove Cemetary, ca 3/4 miles SE of Hurlton 600 Comment
  CDA3416  Moenchia erecta L. Ahart 1980-5-4 2192 Butte ca. 3/4 mile southeast of Hurlton. Comment
  CHSC30060  Moenchia erecta L. Ahart 1980-5-4 2192 Butte East of the Oak Grove Cemetery, ca. 3/4 mi se of Hurlton. 600 Comment
  CHSC49835  Moenchia erecta Vernon Oswald; Lowell Ahart 1990-4-9 4159 Butte Oak Grove Cemetery ca. 0.6 mi se of Hurlton, ca. 10 mi w of Forbestown. Several hundred feet east of the cemetery. 542 Comment
  SEINET13711198  Moenchia erecta Lowell William Ahart, Lowell William Ahart 2000-1 8332 Butte 10 Air Mi. NE of Oroville at Oak Grove Cemetery (T19N, R5E, sec 23, Ctr.) 1800 Ft. 549 Comment
  CHSC77985  Moenchia erecta subsp. erecta Lowell Ahart 2000-5-9 8332 Butte In weeds and on the edge of the south side of the dirt road, south side of the Oak Grove Cemetery, about 1/2 mile southeast of Hurleton, about 10 miles (air) northeast of Oroville. 548 Comment
  CHSC99311  Moenchia erecta subsp. erecta Lowell Ahart 2008-5-30 14800 Butte Mowed parking area at the cemetery, about 300 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 331 Comment
  JEPS114588  Moenchia erecta subsp. erecta Lowell Ahart 2008-5-30 14800 Butte Mowed parking area at the cemetery, about 300 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 331 Comment
  JEPS98286  Moenchia erecta subsp. erecta Lowell Ahart 2000-5-9 8332 Butte 10 air miles NE of Oroville (S side of the dirt road, S side of the Oak Grove Cemetery, about 1/2 mi SE of Hurleton) 548 Comment
  JEPS98679  Moenchia erecta subsp. erecta Lowell Ahart 2000-5-9 8332 Butte 10 air miles NE of Oroville (S side of the dirt road, S side of the Oak Grove Cemetery, about 1/2 mi SE of Hurleton) 548 Comment
  UCD98347  Moenchia erecta subsp. erecta Lowell Ahart 1980-5-4 2192 Butte 3/4 mile SE of Hurleton. 600 Comment
  UCD98350  Moenchia erecta subsp. erecta Lowell Ahart 2000-5-9 8332 Butte south side of the Oak Grove Cemetary, about 1/2 mile southeast of Hurleton, about 10 miles (air) northeast of Oroville. 548 Comment
  CHSC113121  Mollugo verticillata Lowell Ahart 2013-11-18 19271 Butte Below the high water line of Lake Oroville, about 200 yards east of the boat ramp at the end of Stringtown Road, about 2 1/2 miles (air) northeast of Hurleton. 267 Comment
  CHSC51002  Mollugo verticillata Lowell Ahart 1990-7-4 6538 Butte Below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  JEPS120585  Mollugo verticillata Lowell Ahart 2013-11-18 19271 Butte Below the high-water line of Lake Oroville, about 200 yards east of the boat ramp at the end of Stringtown Road, about 2.5 air miles northeast of Hurleton. Comment
  UC1562289  Mollugo verticillata Lowell Ahart 1990-7-4 6538 Butte about 1/2 sw of Enterprise Bridge (across Lake Oroville, below the high water line of Lake Oroville) 243 Comment
  CHSC50675  Monardella breweri subsp. lanceolata Lowell Ahart 1990-5-25 6496 Butte Near the high water line of Lake Oroville, about 1/4 mile west of the Enterprise Boat Launch Area, about 1 1/4 miles north-west of the Enterprise Bridge across Lake Oroville. 277 Comment
  CHSC51225  Monardella breweri subsp. lanceolata Lowell Ahart 1984-6-8 4662 Butte On the road cutbank along Ponderosa Way, about 1/8 mile west of the Ponderosa Dam, about 2 miles north-west of Forbestown. 335 Comment
  CHSC62559  Monardella breweri subsp. lanceolata L. P. Janeway 1993-6-15 4388 Butte Plumas National Forest. Southwest side of Ponderosa Dam on South Fork Feather River. Bank opposite the Diversion Building, ca 50 ft south of the dam. 298 Comment
  UC1562432  Monardella breweri subsp. lanceolata Lowell Ahart 1990-5-25 6496 Butte Near the high water line of the Lake Oroville, about 1/4 mile west of the Enterprise Boat Launch Area, about 1 1/4 miles northwest of the of the Enterprise Bridge across Lake Oroville 277 Comment
  CHSC112680  Monardella sheltonii Lowell Ahart 2013-7-1 18819 Butte Edge of a dry meadow, about 30 yards southwest of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC117009  Monardella sheltonii Lowell Ahart 2016-6-29 21051 A Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. 387 Comment
  JEPS120836  Monardella sheltonii Lowell Ahart 2013-7-1 18819 Butte About 30 yards SW of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  UCR280840  Monardella sheltonii Lowell Ahart 2016-6-29 21051 A Butte north side of Lumpkin Road, c. 100 yards north of McCabe Creek, c. 3 air miles west of Forbestown 388 Comment
  CHSC31126  Monardella villosa subsp. villosa L. Ahart 1980-7-4 2453 Butte Ca. 1/2 mi se of the Oak Grove Cemetary, ca. 1 mi se of Hurleton. 600 Comment
  CAS-BOT-BC444886  Montia fontana Lowell Ahart 1990-4-15 6462 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville 289 Comment
  CHSC50054  Montia fontana subsp. amporitana Lowell Ahart 1990-4-15 6462 Butte Along a small stream, below the high water line of Lake Oroville, east of the Enterprise boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 289 Comment
  CHSC98947  Montia fontana subsp. chondrosperma Lowell Ahart 2008-5-8 14717 Butte Below the high water line of Lake Oroville, about 150 yards south of the poor parking area, on the east side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  CHSC99018  Montia fontana subsp. chondrosperma Lowell Ahart 2008-5-21 14783 Butte Dry t0 damp bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS114967  Montia fontana subsp. chondrosperma Lowell Ahart 2008-5-21 14783 Butte Dry t0 damp bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  CHSC44381  Myosotis discolor Lowell Ahart 1988-6-23 6080 Butte In the meadow, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC46343  Myosotis discolor Lowell Ahart 1989-5-28 6274 Butte Along a small stream, south of Oregon Gulch Road, about 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC78126  Myosotis discolor Lowell Ahart 2000-6-6 8458 Butte In a meadow on the bottom of an old gold mining pit, about 200 yards northwest of where the dirt road crosses Oregon Gulch creek, about 1/4 mile north of the cemetery, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville Dam. 304 Comment
  JEPS98458  Myosotis discolor Lowell Ahart 2000-6-6 8458 Butte 5 air miles E of Oroville Dam (old gold mining pit, 200 yds NW of where the dirt road crosses Oregon Gulch creek, about 1/4 mi NE of the cemetery, 1 1/2 mi S of Crystal Hill) 304 Comment
  CHSC116984  Navarretia divaricata subsp. vividior Lowell Ahart 2016-6-4 20938 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. 732 Comment
  CHSC112682  Navarretia filicaulis Lowell Ahart 2013-7-1 18818 Butte Open disturbed area, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC27048  Navarretia filicaulis Lowell Ahart 1978-7-2 1780 Butte Along Robinson Mill Road, Bangor. Near the edge of the road. 350 Comment
  CHSC30951  Navarretia filicaulis L. Ahart 1980-7-4 2454 Butte Near the Oak Grove Cemetary, ca. 1/2 mi se of Hurleton. 600 Comment
  CHSC44335  Navarretia filicaulis Lowell Ahart 1975-6-25 809 Yuba Near the Brownsville dump, about 1 mile west of Brownsville. 396 Comment
  CHSC91458  Navarretia filicaulis Lowell Ahart 2005-7-13 12151 Butte About 100 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 759 Comment
  HSC104014  Navarretia filicaulis L. Ahart 2013-7-1 18818 Butte About 3.25 mi. (air) SW of Forbestown; ~150 yds, E of the intersection of Forbestown Rd. and Black Bart Rd. 738 Comment
  JEPS107908  Navarretia filicaulis Lowell Ahart 2005-7-13 12151 Butte About 100 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville 759 Comment
  JEPS120850  Navarretia filicaulis Lowell Ahart 2013-7-1 18818 Butte About 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  RSA0037496  Navarretia filicaulis Lowell A. Ahart 2013-7-1 18818 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  RSA716150  Navarretia filicaulis L. Ahart 2005-7-13 12151 Butte About 100 yards east of the intersection of Forbestown Road and Black Bart Road, about 3.5 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 759 Comment
  SEINET7373988 Image available Navarretia filicaulis Lowell Ahart 2013-7-1 18818 Butte Three and one-quarter miles SW of Forbestown, intersection of Forbestown Rd. and Black Bart Rd. 150 yds E of intersection. Comment
  UC423491  Navarretia filicaulis David D. Keck 1930-7-25 976 Butte 10 mi e Oroville; Sierra Nevada, Hurleton 487 Comment
  CHSC44415  Navarretia intertexta Lowell Ahart 1988-6-23 6077 Butte In the meadow, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC44416  Navarretia intertexta Lowell Ahart 1988-6-23 6078 Butte In the meadow, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  RSA716151  Navarretia intertexta L. Ahart 2005-7-13 12147 Butte About 10 yards east of the intersection of Forbestown Road and Black Bart Road, about 3.5 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 759 Comment
  CDA40267  Navarretia intertexta subsp. intertexta L. Ahart 2005-6-13 12147 Butte About 10 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. Comment
  CHSC91455  Navarretia intertexta subsp. intertexta Lowell Ahart 2005-7-13 12147 Butte About 10 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 759 Comment
  JEPS107909  Navarretia intertexta subsp. intertexta Lowell Ahart 2005-7-13 12147 Butte About 10 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville 759 Comment
  CHSC50658  Nemacladus interior Lowell Ahart 1990-5-25 6495 Butte Lake Oroville, about 1/4 mile west of the Enterprise Boat Launch Area, about 1 1/4 miles north-west of the Enterprise Bridge across Lake Oroville. 274 Comment
  CHSC50992  Nemacladus interior Lowell Ahart 1990-7-15 6567 Butte Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  UC1562298  Nemacladus interior Lowell Ahart 1990-7-15 6567 Butte about 1.25 mi nw Enterprise Bridge across Lake Oroville (e of Enterprise Boat Launch Area, just below the high water line of Lake Oroville); Lake Oroville 243 Comment
  UC1562431  Nemacladus interior Lowell Ahart 1990-5-25 6495 Butte about 1.25 mi nw Enterprise Bridge across Lake Oroville (about 0.25 mi w of Enterprise Boat Launch Area, just below the high water line of Lake Oroville); Lake Oroville 274 Comment
  CHSC31113  Nemophila heterophylla Herb Allan McLane 1980-4-25 18 Butte Plumas National Forest, n of Ponderosa Way, MDM. 377 Comment
  CHSC31077  Nemophila menziesii Leslie Steidl 1980-4-1 8 Butte 25 yd n of Craig Access Rd, 2 mi ssw of Lumpkin Rd inside boundary of State Park, ca. 18 mi e of Oroville. 316 Comment
  CDA42978  Nicotiana acuminata var. multiflora L. Ahart 2013-11-18 19279 Butte Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton. Comment
  CHSC113103  Nicotiana acuminata var. multiflora Lowell Ahart 2013-11-18 19279 Butte Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  JEPS120593  Nicotiana acuminata var. multiflora Lowell Ahart 2013-11-18 19279 Butte Below the high-water line of Lake Oroville, about 200 yards east of the boat ramp at the end of Stringtown Road, about 2.5 air miles northeast of Hurleton. Comment
  CHSC93885  Odontostomum hartwegii L. P. Janeway 2006-5-24 8621 Yuba Northern Sierra Nevada Foothills. East side of Ponderosa Way 1.3 km north of La Porte Road and Brownsville. 686 Comment
  RSA712849  Odontostomum hartwegii L. P. Janeway 2006-5-24 8621 Yuba Northern Sierra Nevada Foothills, E side of Ponderosa Way 1.3km N of La Porte Road and Brownsville 686 Comment
  SEINET3154256  Odontostomum hartwegii L. S. Rose 1937-6-10 37362 Butte Hurleton 579 Comment
  UC844103  Odontostomum hartwegii Lewis S. Rose 1937-6-10 37362 Butte Hurleton 579 Comment
  JEPS95517  Orobanche uniflora Lowell Ahart 1994-4-22 7286 Butte 3 1/2 mi SW of Forbestown (S of int of Black Bart Road and Forbestown Road) 609 Comment
  JEPS123824  Orobanche uniflora var. uniflora Lowell Ahart 2015-4-18 20056 Butte About 100 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 miles (air) southwest of Forbestown, about 11 miles (air) east of Oroville. Comment
  RSA0108968  Orobanche uniflora var. uniflora Lowell A. Ahart 2015-4-18 20056 Butte About 100 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 miles (air) southwest of Forbestown, about 11 miles (air) east of Oroville. 752 Comment
  RSA715538B  Orthocarpus lacerus L. Ahart 2005-7-13 12146 Butte About 10 yards east of the intersection of Forbestown Road and Black Bart Road, about 3.5 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 759 Comment
  CHSC99479  Oxalis corniculata Lowell Ahart 2008-6-13 14820 Butte East side of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 311 Comment
  UC1728262  Packera layneae Al Franklin 1997-7-1 97138 Yuba on Ponderosa Way just n La Porte Rd.; Brownsville, Recreation Park Comment
  CHSC51041  Panicum dichotomiflorum subsp. dichotomiflorum Lowell Ahart 1990-8-15 6582 Butte Near McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 228 Comment
  UC1562491  Panicum dichotomiflorum subsp. dichotomiflorum Lowell Ahart 1990-8-15 6582 Butte about 1/2 mi sw of the Enterprise Bridge across Lake Oroville (near McCabe Creek, below high water mark Lake Oroville); , near McCabe Creek 228 Comment
  CHSC78173  Parentucellia viscosa Lowell Ahart 2000-6-6 8456 Butte In a meadow on the bottom of an old gold mining pit, about 200 yards northwest of where the dirt road crosses Oregon Gulch creek, about 1/4 mile northeast of the cemetery, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville Dam. 304 Comment
  JEPS98570  Parentucellia viscosa Lowell Ahart 2000-6-6 8456 A Butte 5 mi(air)E of;in a meadow on bottom of old gold mining pit 200 yds NW of dirt road crossing Oregon Gulch creek, 1/4 mi N of cemetary, 1 1/2 mi S of Crystal Hill Oroville Dam 304 Comment
  CAS-BOT-BC258767  Paspalum urvillei Lowell Ahart 1983-6-12 4049 Butte About 1 mile south of Crystal Hill, near Oregon Gulch, near Lake Oroville, about 7 miles south-west of Feather Falls 425 Comment
  CDA2123  Paspalum urvillei G. D. Barbe, T. C. Fuller 1981-10-9 3593 Butte Frontage of 9478 Black Bart Road, 1.3 miles east of Forbestown Road, Hurleton. Comment
  CHSC116215  Paspalum urvillei Lowell Ahart 2015-6-16 20246 Yuba Near the water ditch, about 100 yards south of the poor dirt road, about 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. 829 Comment
  JEPS120835  Paspalum urvillei Lowell Ahart 2013-7-1 18822 Butte On the E side of Black Bart Road, about 3/4 mile by road SW from the intersection of Forbestown Road and Black Bart Road, 3.5 air miles SW of Forbestown. Comment
  JEPS124413  Paspalum urvillei Lowell Ahart 2015-6-16 20246 Yuba About 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. Comment
  CHSC29979  Pectocarya pusilla Lowell Ahart 1980-5-17 2290 Butte About .5 mi SE of Hurleton, in bottom of wash SE of Oak Grove Cemetery. 600 Comment
  CHSC46759  Pectocarya pusilla Lowell Ahart 1980-5-4 2213 Butte About 150 feet south-west of the intersection of Forbestown Road and Hurleton Swedes Flat Road, about 1/2 mile south-east of Hurleton. 548 Comment
  CHSC63242  Pectocarya pusilla Lowell Ahart 1994-4-22 7285 Butte In a small meadow, south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles south-west of Forbestown. 609 Comment
  CHSC115495  Pedicularis densiflora L. P. Janeway 2015-3-16 11636 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way at Road 19N19, 1.0 road-km northwest of Lower Forbestown Road, just before the canyon becomes steep into South Fork Feather River arm of Lake Oroville. 747 Comment
  CHSC10709  Pellaea andromedifolia Lowell Ahart 1966-2-25 Butte Near Enterprise. 213 Comment
  CHSC28987  Pellaea mucronata M. S. Taylor 1980-3-19 2391 Butte Macabes Creek Canyon, ca. 100 ft e of Lumpkin Rd, ca. 2 1/2 mi n of its jct with Forbestown Rd, ca. 18 mi ne of Oroville. 396 Comment
  SBBG27142  Penstemon laetus D. D. Keck 1930-7-25 981 Butte 4 mi W of Forbestown 762 Comment
  CHSC44701  Penstemon laetus var. leptosepalus R. Banchero 1980-6-23 259 Butte Along Forbestown Rd 3.2 mi E of its Jct with Lumpkin Rd, ca 3.15 mi SW of the town of Forbestown. 890 Comment
  CHSC86545  Penstemon laetus var. leptosepalus L. P. Janeway; John Hunt 2003-6-13 7826 Butte Northern High Sierra Nevada. North side of South Fork Feather River arm of Lake Oroville, 140 m northwest of the north end of Enterprise Bridge. 287 Comment
  POM195084  Penstemon laetus var. leptosepalus D. D. Keck 1930-7-25 981 Butte 4 miles W of Forbestown. 762 Comment
  UC423490  Penstemon laetus var. leptosepalus David D. Keck 1930-7-25 981 Butte 4 mi w Forbestown (eastern Butte County); Sierra Nevada, w of Forbestown 762 Comment
  CHSC57333  Pentagramma triangularis Robert C. Hill 1990-4-10 9 Butte Large population at intersection of McCabe Creek, Lumpkin Road, 1 mi s of South Fork Feather River, 13 mi e of Oroville. 396 Comment
  CHSC28897  Pentagramma triangularis subsp. semipallida M. S. Taylor 1980-2-17 2361 Butte Ca. 1/4 mi sw of lower Forbestown Rd, ca. 3 mi w of Forbestown. 396 Comment
  CHSC32117  Pentagramma triangularis subsp. semipallida L. Ahart 1975-3-7 706 Butte Along rd from Ponderosa Dam to Forbestown. 365 Comment
  CHSC33559  Pentagramma triangularis subsp. semipallida M. S. Taylor 1981-5-5 3603 Butte On e side of Lumpkin-Laporte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 mi e of Oroville. 457 Comment
  CAS-BOT-BC77081  Pentagramma triangularis subsp. triangularis Lowell Ahart 1980-3-26 2063 Butte Near Hurleton. 600 Comment
  CHSC117763  Perideridia bacigalupii L. P. Janeway 2016-8-11 12151 Butte Northern High Sierra Nevada. Plumas National Forest; at the junction of Ponderosa Way and Road 19N19; between Sunset Hill and South Fork Feather River arm of Lake Oroville. Moderate west-facing slope; mixed conifer forest but open canopy due to 2015 wildfire. 740 Comment
  CHSC117764  Perideridia bacigalupii L. P. Janeway 2016-8-11 12151 Butte Northern High Sierra Nevada. Plumas National Forest; at the junction of Ponderosa Way and Road 19N19; between Sunset Hill and South Fork Feather River arm of Lake Oroville. Moderate west-facing slope; mixed conifer forest but open canopy due to 2015 wildfire. 740 Comment
  CHSC40221  Perideridia bacigalupii Vernon Oswald; L. Ahart 1985-7-28 1916 Butte Robinson Mill Rd. 2.6 mi ne of Upham Rd. 640 Comment
  CHSC42645  Perideridia bacigalupii Vernon Oswald 1985-9-5 1938 Butte Black Bart Rd. 2.1 mi se of its western junction with Forbestown Rd. 662 Comment
  UC1532345  Perideridia bacigalupii Vernon Oswald 1986-7-10 2186 Butte 1.8 mi. s. Forbestown Rd. (Robinson Mill Rd.) 640 Comment
  CHSC40234  Perideridia lemmonii Vernon Oswald 1985-6-15 1836 Butte Black Bart Rd., ca. 1.5 mi se of Lumpkin Rd. 655 Comment
  CHSC73912  Perideridia lemmonii B. Castro 1998-7-28 814 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. Near water-hole in center of meadow. 929 Comment
  CHSC74059  Perideridia parishii subsp. latifolia B. Castro 1998-7-28 815 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. 929 Comment
  CHSC50681  Persicaria hydropiper Lowell Ahart 1990-6-16 6521 Butte Growing on wet mud along McCabe Creek, below the high water line at Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC50682  Persicaria hydropiper Lowell Ahart 1990-5-25 6493 Butte On the sides of a small stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 259 Comment
  CHSC113118  Persicaria lapathifolia Lowell Ahart 2013-11-17 19262 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 of a mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  HSC104005  Persicaria lapathifolia L. Ahart 2013-11-17 19262 Butte About 5/8 mi. SW of the Enterprise Bridge across Lake Oroville, below the high water line of Lake Oroville, along the sides of McCabe Creek 245 Comment
  JEPS120602  Persicaria lapathifolia Lowell Ahart 2013-11-17 19262 Butte McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville. Comment
  JEPS120613  Persicaria lapathifolia Lowell Ahart 2013-11-13 19236 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  RSA0037107  Persicaria lapathifolia Lowell A. Ahart 2013-11-17 19262 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  RSA0118940  Persicaria lapathifolia Lowell Ahart 2013-11-13 19236 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Ponderosa Dam. 244 Comment
  CHSC98957  Petrorhagia dubia Lowell Ahart 2008-5-12 14759 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS114739  Petrorhagia dubia Lowell Ahart 2008-5-12 14759 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  UC1594635  Phacelia egena Lowell Ahart 1992-9-20 6922 Butte about 1/8 mi w Enterprise Boat Launch Ramp (below high water line of lake, 3/4 mi sw of Rocky Point); Lake Oroville 243 Comment
  CHSC59549  Phacelia imbricata Lowell Ahart 1992-9-20 6922 Butte Below the high water line of Lake Oroville, about 1/8 mile west of the Enterprise Boat Launch Ramp, about 3/4 mile south-west of Rocky Point. 243 Comment
  CHSC116594  Phalaris aquatica L. P. Janeway 2015-6-30 11789 Yuba Northern High Sierra Nevada. Plumas National Forest; Weiss Hill Meadow, a large meadow 600 air-km east-southeast of junction of Weiss Hill Road and Forbestown Road; at the head of a minor northwestern tributary to New York Creek. 853 Comment
  CAS-BOT-BC77372  Philadelphus lewisii Lowell Ahart 1984-6-8 4659 Butte Along the edge of Ponderosa Way, about 1/8 mile west of the Ponderosa Dam, about 2 miles northwest of Forbestown 370 Comment
  CDA25501  Philadelphus lewisii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 06 .256-B Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  CHSC45972  Philadelphus lewisii Lowell Ahart 1984-6-8 4659 Butte Along the edge of Ponderosa Way, about 1/8 mile west of the Ponderosa Dam, about 2 miles north-west of Forbestown. 365 Comment
  JEPS122446  Phlox speciosa L. P. Janeway 2015-3-16 11638 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way at Road 19N19, 1.0 road-km northwest of Lower Forbestown Road, just before the canyon becomes steep into South Fork Feather River arm of Lake Oroville. Quad: Forbestown 7.5'. Comment
  SEINET7073610  Phlox speciosa A. G. Vestal 1955-5-21 s.n. Butte About 13.8 miles east of Oroville on the Forbestown Road. UTM Zone 10, 643814mE, 4373382mN. Coordinate datum: NAD27. Comment
  SEINET7073628  Phlox speciosa A. G. Vestal 1955-5-21 s.n. Butte About 15.3 miles east of Oroville on the Forbestown Road. UTM Zone 10, 645084mE, 4373885mN. Coordinate datum: NAD27. Comment
  CHSC115491  Phlox speciosa subsp. occidentalis L. P. Janeway 2015-3-16 11638 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way at Road 19N19, 1.0 road-km northwest of Lower Forbestown Road, just before the canyon becomes steep into South Fork Feather River arm of Lake Oroville. 747 Comment
  CHSC35094  Phlox speciosa subsp. occidentalis Herb Allen McLane 1980-4-25 20 Butte Plumas National Forest, MDM, E side of Ponderosa Way. 390 Comment
  CHSC35095  Phlox speciosa subsp. occidentalis R. A. Schlising 1980-6-23 3760 Butte Southeast part of county, 3.4 miles N and W of Forbestown. 890 Comment
  CHSC35096  Phlox speciosa subsp. occidentalis Robert A. Schlising; Coleta Lawler 1981-4-12 4025 Butte E of Oroville. 365 Comment
  CHSC44340  Phlox speciosa subsp. occidentalis Lowell Ahart 1976-4-15 1071 Yuba Along Ponderosa Way and near the Brownsville dump, about 1 mile west of Brownsville. 457 Comment
  CAS-BOT-BC141247  Phoradendron serotinum subsp. tomentosum Lowell Ahart 1966-3-13 s.n. Butte Near Enterprise 304 Comment
  CHSC113119  Physalis lancifolia Lowell Ahart 2013-11-18 19285 Butte Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  CAS-BOT-BC140561  Physocarpus capitatus Lowell Ahart 1981-7-7 2921 Butte Along Black Bart Road, Forbestown. About 0.5 mile west of the Oroville Forbestown Road 700 Comment
  CAS-BOT-BC140565  Physocarpus capitatus Lowell Ahart 1982-6-1 3526 Butte About 1/2 mile south-west of the intersection of Black Bart Road and Forbestown Road, west of Forbestown 750 Comment
  CHSC34028  Physocarpus capitatus L. Ahart 1981-7-7 2921 Butte On bottom of a stream, ca. 1/2 mi w of the Oroville-Forbestown Rd on the Black Bart Rd, w of Forbestown. 700 Comment
  CHSC36514  Physocarpus capitatus L. Ahart 1982-6-1 3526 Butte On bottom of a wash, ca. 1/2 mi sw of the jct of Black Bart Rd and Forbestown Rd, w of Forbestown. 750 Comment
  UCD113671  Physocarpus capitatus L. Ahart 1982-6-1 3526 Butte ca. 1/2 mi sw of jct of Black Bart Rd and Forbestown Rd, w of Forbestown. 750 Comment
  CHSC43412  Pickeringia montana Lowell Ahart 1975-6-25 812 Yuba Near the Brownsville dump, about 2 miles west of Brownsville. 487 Comment
  CHSC45919  Pickeringia montana Lowell Ahart 1976-5-27 1131 Yuba Near the edge of Ponderosa Way, near the Brownsville Dump, west of Brownsville. 609 Comment
  CHSC46365  Pickeringia montana Lowell Ahart 1989-5-29 6304 Butte Along Robinson Mill Road, about 1 1/2 miles south of Forbestown Road. 670 Comment
  CAS-BOT-BC202264  Pickeringia montana var. montana Lowell Ahart 1989-5-29 6304 Butte Along Robinson Mill Road, about 1 1/2 miles south of Forbestown Road 670 Comment
  CAS-BOT-BC202271  Pickeringia montana var. montana Lowell Ahart 1982-7-4 3655 Yuba Near the Brownsville Dump, Brownsville 600 Comment
  CHSC45290  Pickeringia montana var. montana Vernon Oswald 1985-5-20 1768 Butte Robinson Mill Rd. 1.8 mi s of Forbestown Rd. 609 Comment
  CHSC84164  Pickeringia montana var. montana Lowell Ahart 2003-6-29 10317 Yuba On the west side of Ponderosa Way, 100 yards north of the road to the dump, about 1 mile north of La Porte Road, about 1 mile (air) west of Brownsville. 684 Comment
  CAS-BOT-BC78286  Pinus attenuata Lowell Ahart 1987-5-11 5611 Butte along Lumpkin Road, about 1.5 miles north-east of Forbestown Road 426 Comment
  CHSC42502  Pinus attenuata Lowell Ahart 1987-5-11 5611 Butte Along Lumpkin Road, about 1.5 miles north-east of Forbestown Road. 426 Comment
  CHSC116565  Piperia elongata L. P. Janeway 2015-6-17 11781 Butte Northern High Sierra Nevada. Plumas National Forest; along east side of Lower Forbestown Road, 0.6 km north-northeast of Ponderosa Way; 0.4 air-km west-northwest of Sunset Hill. Northwest facing slope above the road. 826 Comment
  CHSC116579  Piperia elongata L. P. Janeway 2015-6-15 11778 Yuba Northern Sierra Nevada. Plumas National Forest; 1.4 air-km south-southeast of Sunser Hill, just south of Oroville-Wyandotte Canal, 0.4 air-km east of New York Creek. 841 Comment
  CHSC116592  Piperia elongata L. P. Janeway 2015-6-30 11790 Butte Northern High Sierra Nevada. Plumas National forest; along road 19N19 1.3 road-km east of Ponderosa Way; north-northwest slopes halfway between Sunset Hill and Ponderosa Dam (South fork Feather River). 701 Comment
  CHSC84187  Piperia elongata Lowell Ahart 2003-6-30 10323 Butte Near the small stream, on the southeast side of Ponderosa Way, about 2 1/2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 578 Comment
  CHSC116578  Piperia transversa L. P. Janeway 2015-6-17 11779 Butte Northern High Sierra Nevada. Plumas National Forest; along east side of Lower Forbestown Road 0.15 km north of Ponderosa Way; 0.7 air-km west-southwest of Sunset Hill. West-facing slope above the road. 815 Comment
  CHSC61524  Piperia transversa Lowell Ahart 1993-6-16 6960 Butte On the east side of the Enterprise Boat Launch Parking Area, about 1/2 mile north-west of the Enterprise Bridge across Lake Oroville. 304 Comment
  CHSC61525  Piperia transversa Lowell Ahart 1993-6-16 6961 Butte South-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air Miles south-west of Forbestown. 609 Comment
  CHSC61526  Piperia transversa Lowell Ahart 1993-6-16 6962 Butte South-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles (air) south-west of Forbestown. 609 Comment
  CHSC65820  Piperia transversa L. P. Janeway 1993-6-15 4387 Plumas Plumas National Forest. Southwest side of Ponderosa Dam on South Fork Feather River. 298 Comment
  CHSC84186  Piperia transversa Lowell Ahart 2003-6-30 10328 Butte Near the small stream, on the south side of Ponderosa Way, about 2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 490 Comment
  CAS-BOT-BC254382  Piptatherum micranthum Lowell Ahart 1984-6-10 4690 Butte Along the edge of a new subdivision road about 1 mile SE of Hurleton, 1/12 mile E of the Oak Grove Cemetary, about 10 miles E of Oroville 500 Comment
  POM365989  Piptatherum miliaceum L. Ahart, Peter Ahart 1984-6-10 4690 Butte Along edge of a new subdivision road 1 mile SE of Hurleton, 1/12 mile E of Oak Grove Cemetery, 10 miles E of Oroville. 500 Comment
  CHSC115319  Plagiobothrys fulvus var. campestris Lowell Ahart 2015-4-18 20050 Butte On the east side of Robinson Mill Road, about 1 1/2 miles southwest of the intersection of Robinson Mills Road and Forbestown Road, about 12 miles (air) southeast of Oroville. 685 Comment
  JEPS123819  Plagiobothrys fulvus var. campestris Lowell Ahart 2015-4-18 20050 Butte About 1 1/2 miles southwest of the intersection of Robinson Mill Road and Forbestown Road, about 12 miles (air) southeast of Oroville. Comment
  CHSC46345  Plagiobothrys glyptocarpus Lowell Ahart 1989-5-28 6279 Butte In a mined over area south of Oregon Gulch Road, about 1/2 mile north of the Cemetery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC46346  Plagiobothrys stipitatus var. micranthus Lowell Ahart 1989-5-28 6290 Butte Near the edge of a large meadow, in a mined over area south of Oregon Gulch Road, about 1/2 mile north of the Cemetery, about 1 1/4 miles west of Rocky Point. 335 Comment
  CHSC78129  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2000-6-6 8451 Butte On the sides of an old gold mining pit, southeast of where the dirt road crosses Oregon Gulch creek, about 1/4 mile northeast of the cemetery, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville Dam. 304 Comment
  CHSC99476  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2008-6-13 14824 Butte Depression in a small meadow, bottom of an old gold mined area, about 350 yards southwest of the cemetery, about 50 yards north of Oregon gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  JEPS114983  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2008-6-13 14824 Butte about 350 yds SW of the cemetery, about 50 yds N of Oregon Gulch, about 10 mi (air) NE of Oroville 305 Comment
  JEPS98572  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2000-6-6 8451 Butte 5 mi (air) E of Oroville Dam (sides of old gold mining pit, SE of where the dirt road crosses Oregon Gulch Creek, 1/4 mi NE of the cemetary, 1 1/2 mi S of Crystal Hill) 304 Comment
  RSA0035820  Plagiobothrys stipitatus var. micranthus Lowell A. Ahart 2008-6-13 14824 Butte About 350 yards southwest of the cemetery, about 50 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  CHSC33687  Plagiobothrys tenellus L. Ahart 1981-3-29 2710 Butte Along edge of Ponderosa Way near the Ponderosa Dam, near Forbestown. 350 Comment
  CHSC99761  Plantago major Lowell Ahart 2008-7-23 15145 Butte On the north edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS114771  Plantago major Lowell Ahart 2008-7-23 15145 Butte On the north edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam 258 Comment
  CHSC51042  Poa annua Lowell Ahart 1990-8-15 6584 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 228 Comment
  CHSC99319  Poa annua Lowell Ahart 2008-5-21 14775 Butte Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS114972  Poa annua Lowell Ahart 2008-5-21 14775 Butte Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  CAS-BOT-BC255065  Poa compressa Lowell Ahart 1989-5-28 6286 Butte S of Oregon Gulch Road, about 0.5 miles N of the Cementary, about 1.25 miles W of Rocky Point, about 10 miles E and 3 miles N of Oroville 335 Comment
  CHSC46441  Poa compressa Lowell Ahart 1989-5-28 6286 Butte In a meadow, in a mined over area south of Oregon Gulch Road, about 1/2 mile north of the Cementary, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC54354  Poa compressa Lowell Ahart 1991-6-22 6665 Butte On the west side of Powell Creek, below the high water line of Lake Oroville, east of Springtown Road, Lake Oroville. 243 Comment
  CHSC74172  Poa compressa B. Castro 1998-7-8 807 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. Near edges of meadow. 929 Comment
  CHSC99014  Poa compressa Lowell Ahart 2008-5-21 14776 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  UC1586632  Poa compressa Lowell Ahart 1991-7-22 6665 Butte e of Springtown Rd Lake Oroville (w side of Powell Creek) 243 Comment
  CHSC84204  Poa howellii Lowell Ahart 2003-6-30 10325 Butte Near the small stream, on the south side of Ponderosa Way, about 2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 490 Comment
  CAS-BOT-BC255973  Poa pratensis Lowell Ahart 1980-5-17 2275 Butte 1/2 mile south-east of Hurleton 600 Comment
  CHSC44418  Polygala cornuta Lowell Ahart 1988-6-15 6042 Butte North-west of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CAS-BOT-BC167548  Polygala cornuta var. cornuta Lowell Ahart 1988-6-15 6042 Butte North-west of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road 670 Comment
  CHSC116990  Polygala cornuta var. cornuta Lowell Ahart 2016-6-4 20930 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 mile (air) northwest of Forbestown. 732 Comment
  SEINET7085241  Polygala cornuta var. cornuta Steven R. Hill 2010-7-17 38552 Butte Junction of Forbestown Road and upper end of Black Bart Road. Elevation 2800 - 3000 feet [2442 feet]. Sierra Nevada. Coordinate Datum: WGS84/NAD83. 744 Comment
  CHSC50680  Polygonum aviculare subsp. neglectum Lowell Ahart 1990-7-1 6532 Butte On the north edge of the dirt road, south-west of the Forbestown Generator, on the south side of the Forbestown Reservoir. 487 Comment
  CHSC113153  Polygonum californicum Lowell Ahart 2013-11-13 19255 Butte Between the road and the large cutbank, about 50 yards southeast of the Ponderosa Dam spillway. 299 Comment
  UC1562373  Polygonum hydropiper Lowell Ahart 1990-6-16 6521 Butte along creek about 1/2 mi sw Enterprise Bridge across lake (below high-water line of lake); Lake Oroville, McCabe Creek 243 Comment
  UC1562376  Polygonum hydropiper Lowell Ahart 1990-5-25 6493 Butte about 1/8 mi nw Enterprise Bridge across lake (e of Enterprise Boat Launch Area, below high water line of lake); Lake Oroville 259 Comment
  CAS-BOT-BC419809  Polygonum parryi Lowell Ahart 1980-7-4 2457 Butte Near Hurleton. 600 Comment
  CAS-BOT-BC419812  Polygonum parryi Lowell Ahart 1988-6-15 6041 Butte North of Forbestown Road, about 100 meters east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road 670 Comment
  CHSC30947  Polygonum parryi L. Ahart 1980-7-4 2457 Butte In the tracks of a dirt rd near the Oak Grove Cemetary, ca. 1/2 mi se of Hurleton. 600 Comment
  CHSC44419  Polygonum parryi Lowell Ahart 1988-6-15 6041 Butte Small meadows or openings in pines, north of Forbestown Road, about 100 meters east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC63717  Polygonum parryi Lowell Ahart 1994-10-9 7555 Butte In a small grassy opening, on the north side of Forbestown road, about 150 yards east of the intersection of Black Bart Road and Forbestown Road, about 3 (air) miles west of Forbestown. 609 Comment
  CDA42733  Polypodium calirhiza L. Ahart 2005-1-2 11472 Butte On the west side of McCabe Creek, above the high water line of Lake Oroville, about 1/4 mile south of the siphon, about 3 miles (air) northeast of Hurleton, about 7 miles (air) east of Oroville Dam Comment
  CHSC115494  Polypodium calirhiza L. P. Janeway 2015-11-18 11632 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 4.3 road-km north of Lower Forbestown Road; 2.7 air-km north of Sunset Hill; north-facing side of the canyon above the upper end of South Fork Feather River arm of Lake Oroville. 483 Comment
  CHSC23410  Polypodium calirhiza M. S. Taylor 1976-3-6 1014 Butte Along Macabes Creek, ca. 100 yds e of Lumpkin Rd, ca. 1 mi ne of Forbestown Rd, ca. 12 mi e of Oroville. 1066 Comment
  CHSC23411  Polypodium calirhiza M. S. Taylor 1976-3-6 1014 1/2 Butte Along Macabes Creek, ca. 500 yds e of Lumpkin Rd, ca. 1 mi ne of Forbestown Rd, ca. 12 mi e of Oroville. 1066 Comment
  CHSC33692  Polypodium calirhiza L. Ahart 1981-3-29 2716 Butte Along or near Ponderosa Way, ca. 1/4 mi s of Ponderosa Dam, near Forbestown. 350 Comment
  CHSC90205  Polypodium calirhiza Lowell Ahart 2005-1-20 11472 Butte On the west side of McCabe Creek, above the high water line of Lake Oroville, about 1/4 mile south of the siphon, about 3 miles (air) northeast of Hurleton, about 7 miles (air) east of Oroville Dam. 304 Comment
  JEPS107676  Polypodium calirhiza Lowell Ahart 2005-1-20 11472 Butte On the west side of McCabe Creek, above the high water line of Lake Oroville, about 1/4 mile south of the siphon, about 3 miles (air) northeast of Hurleton, about 7 miles (air) east of Oroville Dam 304 Comment
  RSA715711  Polypodium calirhiza L. Ahart 2005-1-20 11472 Butte West side of McCabe Creek, above the high water mark of Lake Oroville, about 1/4 mile soutj of the siphon. about 3 mi northeast of Hurleton, about 7 mi east of Oroville Dam. 305 Comment
  CHSC99009  Polypogon australis Lowell Ahart 2008-5-21 14778 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS114970  Polypogon australis Lowell Ahart 2008-5-21 14778 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  CAS-BOT-BC233056  Polypogon interruptus Lowell Ahart 1980-7-29 2515 Butte Along lower Forbestown Road 750 Comment
  CDA31992  Polypogon interruptus L. Ahart 2008-5-12 14741 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. Comment
  CHSC50707  Polypogon interruptus Lowell Ahart 1990-5-25 6489 Butte On the bottom of a stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 259 Comment
  CHSC84163  Polypogon interruptus Lowell Ahart 2003-6-30 10322 Butte Along the small stream, on the south side of Ponderosa Way, about 2 1/2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 578 Comment
  CHSC99322  Polypogon interruptus Lowell Ahart 2008-5-12 14741 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS114960  Polypogon interruptus Lowell Ahart 2008-5-12 14741 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  JEPS114961  Polypogon interruptus Lowell Ahart 2008-5-12 14741 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  RSA754944  Polypogon interruptus L. Ahart 2008-5-12 14741 Butte Lake Oroville, on the east side of Sucker Creek, about 40-100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  UC1562415  Polypogon interruptus Lowell Ahart 1990-5-25 6489 Butte about 1/8 mi nw Enterprise Bridge (across Lake Oroville, below high water line Lake Oroville, e of Enterprise Boat Launch Area); Lake Oroville 259 Comment
  CAS-BOT-BC232574  Polypogon monspeliensis Lowell Ahart 1980-7-29 2514 Butte Along Forbestown Road 228 Comment
  CHSC47634  Polypogon monspeliensis Lowell Ahart 1980-7-29 2514 Butte In the gutter along Lower Forbestown Road or Ponderosa Way, about 1/4 mile north of the intersection of Forbestown Road and Robinson Mill Road. 701 Comment
  CHSC10673  Polystichum imbricans Lowell Ahart 1966-3-13 Butte Near Enterprise. 182 Comment
  CHSC23408  Polystichum imbricans M. S. Taylor 1976-3-6 1013 Butte At Macabes Creek, ca. 100 yds e of Lumpkin Rd, ca. 1 mi ne of Forbestown Rd, ca. 12 mi e of Oroville. 1066 Comment
  CHSC34677  Polystichum imbricans M. S. Taylor 1980-3-19 2388 Butte Macabes Creek canyon, ca. 100 ft e of Lumpkin Rd, ca. 1.2 mi n of its jct with Forbestown Rd, ca. 10 mi ne of Oroville. 396 Comment
  CHSC34678  Polystichum imbricans subsp. curtum M. S. Taylor 1980-3-19 2388 A Butte Macabes Creek canyon, ca. 100 ft e of Lumpkin Rd, ca. 2.5 mi n of its jct with Forbestown Rd, ca. 18 mi ne of Oroville. 396 Comment
  CHSC90203  Polystichum imbricans subsp. curtum Lowell Ahart 2005-1-20 11474 Butte On the west side of McCabe Creek, above the high water line of Lake Oroville, about 1/4 mile south of the siphon, about 3 miles (air) northeast of Hurleton, about 7 miles (air) east of Oroville Dam. 304 Comment
  SEINET3874651  Polystichum imbricans subsp. curtum M. S. Taylor 1980-3-19 2388 Butte Macabes Creek Canyon ca. 100 ft E of Lumpkin Rd, ca. 2.5 mi N of its jct with Forbestown Road, ca. 18 mi NE of Oroville.; 0 396 Comment
  CHSC51243  Portulaca oleracea Lowell Ahart 1990-7-4 6549 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  UC1562274  Portulaca oleracea Lowell Ahart 1990-7-4 6549 Butte about 1/2 mi sw of the Enterprise Bridge across Lake Oroville (below the high water line Lake Oroville, along McCabe Creek); McCabe Creek 243 Comment
  SEINET7073611  Potentilla glandulosa A. G. Vestal 1955-5-21 s.n. Butte About 13 miles east of Oroville on the Black Bart Road. UTM Zone 10, 642818mE, 4373333mN. Coordinate datum: NAD27. Comment
  CHSC113324  Potentilla rivalis Lowell Ahart 2014-5-21 19527 Butte South bank of river, where Sucker Creek flows into the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 249 Comment
  JEPS122064  Potentilla rivalis Lowell Ahart 2014-5-21 19527 Butte South bank of river, where Sucker Creek flows into the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. Comment
  CHSC44400  Prunella vulgaris var. lanceolata Lowell Ahart 1988-6-23 6062 Butte In small meadow, north of Forbestown Road, about 1/12 mile east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC113980  Pseudognaphalium beneolens Lowell Ahart 2014-11-17 19909 Butte Just below the high water line of Lake Oroville, about 50 yards west of the Enterprise Boat Launch Area, parking area, about 11 miles (air) northeast of Oroville. 253 Comment
  JEPS121888  Pseudognaphalium beneolens Lowell Ahart 2014-11-17 19909 Butte Just below the high water line of Lake Oroville, about 50 yards west of the Enterprise Boat Launch Area, about 11 miles (air) northeast of Oroville. Comment
  JEPS120611  Pseudognaphalium luteoalbum Lowell Ahart 2013-11-13 19229 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  RSA0118932  Pseudognaphalium luteoalbum Lowell Ahart 2013-11-13 19229 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 244 Comment
  CHSC44372  Pseudognaphalium stramineum Lowell Ahart 1988-6-23 6079 Butte Meadow, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC50647  Pseudognaphalium stramineum Lowell Ahart 1990-6-16 6522 Butte On the east side of McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC41873  Pseudognaphalium thermale Lowell Ahart 1986-10-16 5404 Butte About 1 mile south-west of the Ponderosa Dam, about 3 miles north-west of Forbestown. 457 Comment
  CHSC32154  Pseudotsuga menziesii var. menziesii L. Ahart 1975-4-1 736 Butte Along edge of rd; ca. 2 mi s of Ponderosa Dam. 396 Comment
  CHSC57334  Pteridium aquilinum var. pubescens Robert C. Hill 1990-4-10 7 Butte Large population at junction of Enterprise Bridge and south Fork Feather River, 13 mi e of Oroville. 426 Comment
  CHSC31439  Pycnanthemum californicum L. Ahart 1980-7-29 2503 Butte Near a small stream near Forbestown Rd,ca. 100 m e of the jct of Black Bart Rd and Forbestown Rd, ca. 1 mi w of Robinson Mill Rd, w of Forbestown. 750 Comment
  CHSC74095  Pycnanthemum californicum B. Castro 1998-7-28 813 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt road at E edge of old homestead site. 929 Comment
  CHSC115686  Pyrola aphylla Emily Meigs Doe 2015-6-11 30 Butte Northern High Sierra Nevada. Plumas National Forest. About 2.4 mi. NW of Forbestown. Downslope to the north of Forest Service rd. 19N19, approx. 0.65 mi. (air) NE of its intersection with Ponderosa Way. 701 Comment
  CHSC44422  Pyrola aphylla Lowell Ahart 1988-6-15 6043 Butte North-west of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CAS-BOT-BC62687  Quercus chrysolepis Lowell Ahart 1981-7-7 2918 Butte About 0.5 mile west of the Oroville Forbestown Road on the Black Bart Road, west of Forbestown 700 Comment
  CAS-BOT-BC86635  Quercus douglasii Lowell Ahart 1981-7-7 2919 Butte About 0.5 mi W of the Oroville Forbestown Road on the Black Bart Road, W of Forbestown 700 Comment
  CHSC96586  Quercus garryana var. breweri L. P. Janeway 2006-5-24 8618 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way 1.6 road km north of La Porte Road and Brownsville. 680 Comment
  UCD80342  Quercus garryana var. breweri CNPS SN Foothill Team 2005-6-1 SNNR 0128 Yuba BLM, Ponderosa Landfill. 670 Comment
  CAS-BOT-BC94268  Quercus garryana var. semota Lowell Ahart 1981-8-7 3021 Yuba Near the Brownsville Dump, about 2 miles SW of Brownsville 600 Comment
  CHSC47413  Quercus kelloggii Lowell Ahart 1976-4-15 1073 Yuba On the west side of Ponderosa Way, near the Brownsville Dump, about 2 miles southwest of Brownsville. 457 Comment
  CHSC78162  Ranunculus bonariensis var. trisepalus Lowell Ahart 2000-6-6 8460 Butte In a deep depression, on the bottom of an old gold mining pit, just southeast of where the dirt road crosses Oregon Gulch creek, about 1/4 mile northeast of the cemetery, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville Dam. 304 Comment
  JEPS98419  Ranunculus bonariensis var. trisepalus Lowell Ahart 2000-6-6 8460 A Butte 5 mi(air)E of;deep depression, bottom of old gold mining pit 200 yds NW of dirt road xing Oregon Gulch creek, 1/4 mi NE of cemetary, 1 1/2 mi S of Crystal Hill Oroville Dam 304 Comment
  CHSC115490  Ranunculus hystriculus L. P. Janeway 2015-2-18 11631 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 4.3 road-km north of Lower Forbestown Road; 2.7 air-km north of Sunset Hill; north-facing side of the canyon above the upper end of South Fork Feather River arm of Lake Oroville. 483 Comment
  CHSC115493  Ranunculus occidentalis L. P. Janeway 2015-3-18 11642 Butte Northern High Sieerra Nevada. Plumas National Forest; along Ponderosa Way at Road 19N19, 1.0 road-km northwest of Lower Forbestown Road, just before the canyon becomes steep into South Fork Feather River arm of Lake Oroville. 747 Comment
  CDA35702  Rhamnus californica subsp. californica L. Ahart 2002-9-9 9937 Butte 100 yards south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles (air) southwest of Forbestown Comment
  CHSC82391  Rhamnus californica subsp. californica Lowell Ahart 2002-6-2 9679 Butte Meadow, south of the intersection of Black Bart Road and Forbestown Road, about 3 miles (air) southwest of Forbestown. 670 Comment
  CHSC46509  Rhamnus crocea Lowell Ahart 1976-4-15 1072 Yuba Along the edge of Ponderosa Way, near the Brownsville Dump, south-west of Brownsville. 487 Comment
  CAS-BOT-BC59881  Rhamnus ilicifolia Lowell Ahart 1989-5-29 6303 Butte Along Robinson Mill Road, about 1.5 mi. s. of Forbestown Road. 670 Comment
  CAS-BOT-BC59925  Rhamnus ilicifolia Lowell Ahart 1980-5-17 2299 Butte 1/2 mi. se. of Hurleton. 600 Comment
  CHSC34038  Rhamnus ilicifolia L. Ahart 1981-7-7 2917 Butte On dry rocky granite soil along the edge of the rd near the rd to the Oak Grove Cemetary, ca. 1/4 mi s of the Oroville-Forbestown Rd on the Hurleton Swedes Flat Rd, w of Forbestown. 600 Comment
  CHSC46396  Rhamnus ilicifolia Lowell Ahart 1989-5-29 6303 Butte Along Robinson Mill Road, about 1 1/2 miles south of Forbestown Road. 670 Comment
  JEPS88908  Rhamnus rubra Lowell Ahart 1994-6-5 7309 Butte about 3.5 mi sw Forbestown (s of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  JEPS88909  Rhamnus rubra Lowell Ahart 1994-6-5 7309 Butte about 3.5 mi sw Forbestown (s of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  JEPS95615  Rhamnus rubra Lowell Ahart 1994-6-5 7309 Butte about 3 1/2 mi SW of Forbestown (S of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  CHSC116497  Rhamnus tomentella subsp. tomentella Lowell Ahart; Susan Kephart, Jim Kephart 2015-6-4 20197 Butte Day Meadow, about 100 yards south of the poor dirt road, about 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. 829 Comment
  CHSC82376  Rhamnus tomentella subsp. tomentella Lowell Ahart 2002-6-2 9676 Butte West of a small open dry meadow, southwest of the intersection of Black Bart Road and Forbestown Road, about 3 miles (air) southwest of Forbestown. 670 Comment
  CHSC83010  Rhamnus tomentella subsp. tomentella Lowell Ahart 2002-9-9 9937 Butte Meadow, 100 yards south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles (air) southwest of Forbestown. 753 Comment
  CHSC96589  Rhamnus tomentella subsp. tomentella L. P. Janeway 2006-5-24 8625 Yuba Northern Sierra Nevada Foothills. Along east side of Ponderosa Way 1.3 road km north of La Porte Road and Brownsville. 686 Comment
  JEPS103265  Rhamnus tomentella subsp. tomentella Lowell Ahart 2002-9-9 9937 Butte 3 1/2 air mi SW of Forbestown (meadow, 100 yds S of int. of Black Bart Road and Forbestown Road) 753 Comment
  JEPS103463  Rhamnus tomentella subsp. tomentella Lowell Ahart 2002-6-2 9676 Butte West of a small open dry meadow, SW of the intersection of Black Bart Road and Forbestown Road, ca 3 miles (air) SW of Forbestown. 670 Comment
  RSA724912  Rhamnus tomentella subsp. tomentella L. P. Janeway 2006-5-24 8625 Yuba Northern Sierra Nevada Foothills, E side of Ponderosa Way 1.3km N of La Porte Road and Brownsville. 686 Comment
  CHSC113160  Rorippa curvisiliqua Lowell Ahart 2013-11-17 19261 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 of a mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC65453  Rorippa curvisiliqua V. Oswald; L. Ahart 1990-2-26 4136 Butte Enterprise Launch Area on the South Fork of Lake Oroville. Along a streamlet on the upper strand of the lake east of the launching ramp. 268 Comment
  RSA754939  Rorippa curvisiliqua L. Ahart 2008-5-8 14714 Butte About 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 air miles east of Oroville. 260 Comment
  RSA754942  Rorippa curvisiliqua L. Ahart 2008-5-8 14713 A Butte About 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 air miles east of Oroville. 260 Comment
  RSA754943  Rorippa curvisiliqua L. Ahart 2008-5-8 14713 Butte About 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 air miles east of Oroville. 260 Comment
  CHSC40444  Rorippa curvisiliqua var. occidentalis Lowell Ahart 1985-5-31 5040 Butte About 15 feet below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville, west of Lumpkin Road, north-east of Oroville. 274 Comment
  CHSC50026  Rorippa curvisiliqua var. occidentalis Lowell Ahart 1990-4-15 6451 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 289 Comment
  CHSC98978  Rorippa curvisiliqua var. occidentalis Lowell Ahart 2008-5-8 14714 Butte Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  JEPS114453  Rorippa curvisiliqua var. occidentalis Lowell Ahart 2008-5-8 14714 Butte Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 259 Comment
  JEPS120597  Rorippa curvisiliqua var. occidentalis Lowell Ahart 2013-11-17 19261 Butte McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville. Comment
  JEPS120612  Rorippa curvisiliqua var. occidentalis Lowell Ahart 2013-11-13 19231 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  CHSC112733  Rorippa curvisiliqua var. orientalis Lowell Ahart 2013-11-17 19260 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC50027  Rorippa curvisiliqua var. orientalis Lowell Ahart 1990-4-15 6452 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 289 Comment
  CHSC98950  Rorippa curvisiliqua var. orientalis Lowell Ahart 2008-5-8 14713 A Butte Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  CHSC98956  Rorippa curvisiliqua var. orientalis Lowell Ahart 2008-5-12 14730 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  CHSC98987  Rorippa curvisiliqua var. orientalis Lowell Ahart 2008-5-8 14713 Butte Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  JEPS114454  Rorippa curvisiliqua var. orientalis Lowell Ahart 2008-5-8 14713 Butte Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 259 Comment
  JEPS114455  Rorippa curvisiliqua var. orientalis Lowell Ahart 2008-5-12 14730 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  JEPS120598  Rorippa curvisiliqua var. orientalis Lowell Ahart 2013-11-17 19260 Butte McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville. Comment
  JEPS120616  Rorippa curvisiliqua var. orientalis Lowell Ahart 2013-11-13 19230 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  CHSC98952  Rorippa nasturtium-aquaticum Lowell Ahart 2008-5-21 14788 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  UC1562370  Rorippa palustris Lowell Ahart 1990-6-16 6516 Butte about 1/2 mi sw Enterprise Bridge (across Lake Oroville); below high water line Lake Oroville 243 Comment
  CHSC50655  Rorippa palustris var. hispida Lowell Ahart 1990-6-16 6516 Butte Below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC95060  Rosa bridgesii L. P. Janeway 2006-5-24 8611 Yuba Northern High Sierra Nevada Foothills. Along Ponderosa Way 1.0 road km southeast of Robinson Mill Road; 1.2 air km southeast of Robinson Mills and Forbestown Road. 768 Comment
  JEPS108555  Rosa bridgesii L. P. Janeway 2006-5-24 8611 Yuba Northern High Sierra Nevada Foothills. Along Ponderosa Way 1.0 road km southeast of Robinson Mill Road; 1.2 air km southeast of Robinson Mills & Forbestown Road 768 Comment
  RSA712870  Rosa bridgesii L. P. Janeway 2006-5-24 8611 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way 1.0 road km SE of Robinson Mill Rd. 1.2 air km SE of Robinson Mills and Forbestown Road. 768 Comment
  CDA26269  Rosa californica L. Ahart 2002-6-2 9680 Butte On the north side of Black Bart Road, about 1 1/2 miles east of the intersection of Forbestown Road and Black Bart Road, about 12 miles (air) southeast of Oroville. Comment
  CHSC116498  Rosa californica Lowell Ahart; Susan Kephart, Jim Kephart 2015-6-4 20196 Butte Day Meadow, about 100 yards south of the poor dirt road, about 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 mile (air) southwest of Forbestown. 829 Comment
  JEPS124105  Rosa californica Lowell Ahart, Susan Kephart, Jim Kephart 2015-6-4 20196 Yuba About 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. Comment
  CDA3959  Rosa eglanteria L. Ahart 2002-6-2 9677 Butte South of the intersection of Black Bart Road and Forbestown Road, about 3 miles (air) southwest of Forbestown. Comment
  JEPS103500  Rosa eglanteria Lowell Ahart 2002-6-2 9677 Butte small open meadow S of int. of Black Bart Road and Forbestown Road, 3 air miles SW of Forbestown 670 Comment
  A246636  Rosa pisocarpa subsp. ahartii B. J. Ertter 2007-6-23 19074 Unknown Butte Co.: Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville, 2150 ft. elevation 655 Comment
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Jul 4 2012
  CAS-BOT-BC33702  Rosa pisocarpa subsp. ahartii Barbara Ertter; Lowell Ahart 2007-6-23 19074 Butte Black Bart Road 1.3 miles from lower junction with Forbestown Road 655 Comment
  CHSC102197  Rosa pisocarpa subsp. ahartii Barbara Ertter; Lowell Ahart 2007-6-23 19074 Butte Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville. 655 Comment
  CHSC82390  Rosa pisocarpa subsp. ahartii Lowell Ahart 2002-6-2 9680 Butte On the north side of Black Bart Road, and 1 1/2 miles east of the intersection of Forbestown Road and Black Bart Road, about 12 miles (air) southeast of Oroville. Along the road. 548 Comment
  CHSC91464  Rosa pisocarpa subsp. ahartii Lowell Ahart 2005-7-13 12144 Butte Ditch, about 20 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. 748 Comment
  CHSC99317  Rosa pisocarpa subsp. ahartii Lowell Ahart 2008-5-30 14799 Butte Small meadow, about 350 yards southwest of the cemetery, about 50 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  JEPS103551  Rosa pisocarpa subsp. ahartii Lowell Ahart 2002-6-2 9680 Butte N side of Black Bart Road, 1 1/2 mi E of int. of Forbestown Rd and Black Bart Rd, 12 air mi SE of Oroville 548 Comment
  JEPS107939  Rosa pisocarpa subsp. ahartii Lowell Ahart 2005-7-13 12144 Butte Ditch, about 20 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville 748 Comment
  JEPS114899  Rosa pisocarpa subsp. ahartii Lowell Ahart 2008-5-30 14799 Butte bottom of an old gold mined area, about 350 yds SW of the cemetary, about 50 yds N of Oregon Gulch, about 10 mi (air) NE of Oroville 305 Comment
  OBI72023  Rosa pisocarpa subsp. ahartii Barbara Ertter, Lowell Ahart 2007-6-23 19074 Butte Black Bart Rd 1.3 mi from lower jctn with Forbestown Rd, ca 10 airmiles ESE of Oroville, 39 deg. 29.060'N 121 deg. 21.634'w 655 Comment
  RSA0005392  Rosa pisocarpa subsp. ahartii Barbara Ertter 2007-6-23 19074 Butte Black Bart Road. 1.3 miles from lower junction with Forbestown Road ca. 10 air miles ESE of Oroville. 655 Comment
  SD241945  Rosa pisocarpa subsp. ahartii Barbara Ertter, Lowell Ahart 2007-6-23 19074 Butte Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville. 655 Comment
  SEINET3861511  Rosa pisocarpa subsp. ahartii Barbara Ertter, Lowell Ahart 2007-6-23 19074 Butte Black Bart Road 1.3 mi from lower junction with Forbestown Road, ca. 10 air miles ESE of Oroville. Local roadside thicket.; 0 655 Comment
  SEINET4856098  Rosa pisocarpa subsp. ahartii Unknown 2007-6-23 19074 Butte Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca 10 air miles ESE of Oroville. 655 Comment
  SEINET7545148  Rosa pisocarpa subsp. ahartii B. Ertter, L. Ahart 2007-1 19074 Butte Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca. 10 airmiles ESE of Oroville 655 Comment
  UC1862494  Rosa pisocarpa subsp. ahartii Barbara Ertter with Lowell Ahart 2006-8-1 18750 Butte Black Bart Road 1.3 mi from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville 655 Comment
  UC1862495  Rosa pisocarpa subsp. ahartii Barbara Ertter with Lowell Ahart 2006-8-1 18750 b Butte Black Bart Road 1.3 mi from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville 655 Comment
  UC1862496  Rosa pisocarpa subsp. ahartii Barbara Ertter with Lowell Ahart 2006-8-1 18750 Butte Black Bart Road 1.3 mi from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville 655 Comment
  UC1862497  Rosa pisocarpa subsp. ahartii Barbara Ertter with Lowell Ahart 2006-8-1 18750 a Butte Black Bart Road 1.3 mi from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville 655 Comment
  UC1926778 Image available Rosa pisocarpa subsp. ahartii Barbara Ertter, Lowell Ahart 2007-6-23 19074 Butte Butte County: Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville. 655 Comment
  UC1926779 Image available Rosa pisocarpa subsp. ahartii Barbara Ertter, Lowell Ahart 2007-6-23 19074 Butte Butte County: Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville. 655 Comment
  UC1926780 Image available Rosa pisocarpa subsp. ahartii Barbara Ertter, Lowell Ahart 2007-6-23 19074 Butte Butte County: Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville. 655 Comment
  UC1926781 Image available Rosa pisocarpa subsp. ahartii Barbara Ertter, Lowell Ahart 2007-6-23 19074 Butte Butte County: Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville. 655 Comment
  UC1926782 Image available Rosa pisocarpa subsp. ahartii Barbara Ertter, Lowell Ahart 2007-6-23 19074 Butte Butte County: Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville. 655 Comment
  CHSC115894  Rosa rubiginosa L. P. Janeway 2015-6-30 11788 Yuba Northern High Sierra Nevada. Plumas National Forest; Weiss Hill Meadow, a large meadow 600 air-km east-southeast of junction of Weiss Hill Road and Forbestown Road; at the head of a minor northwestern tributary to New York Creek. 853 Comment
  CHSC43945  Rosa rubiginosa Vernon Oswald 1988-5-17 3312 Butte Near jct. Forbestown Rd. and e end of Black Bart Rd. In a meadow. 743 Comment
  CHSC82377  Rosa rubiginosa Lowell Ahart 2002-6-2 9677 Butte In a meadow, south of the intersection of Black Bart Road and Forbestown Road, about 3 miles (air) southwest of Forbestown. 670 Comment
  JEPS127624  Rosa rubiginosa L. P. Janeway 2015-6-30 11788 Yuba Northern High Sierra Nevada. Plumas National Forest; Weiss Hill Meadow, a large meadow 600 air-km east-southeast of junction of Weiss Hill Road and Forbestown Road; at the head of a minor northwestern tributary to New York Creek. Forbestown 7.5' Quad. Comment
  CHSC115680  Rosa spithamea Emily Meigs Doe; L. P. Janeway 2015-4-30 26 Yuba Northern High Sierra Nevada. Plumas National Forest. Approx. 2.2 miles SW of Forbestown. About 20 ft. E of Rd 19N32, about 180 ft. N/E of its intersection with Rd. 19N59 (rd. to Bootjack Mine). Comment
  JEPS127562  Rosa spithamea Emily Meigs Doe 2015-4-30 26 Yuba Northern High Sierra Nevada. Plumas National Forest. Approx. 2.2 miles SW of Forbestown. About 20 ft E of Road 19N32, about 180 ft N/E of its intersection with Road 19N59 (Road to Bootjack Mine). Forbestown 7.5' Quad. Comment
  HSC97124  Rosa woodsii subsp. ultramontana L. Ahart 2005-7-13 12144 Butte 20 yds. S of intersection of Forbestown Rd. and Black bart Rd., 3.5 air mi. SW of Forbestown, 12 air mi. E of Oroville 749 Comment
  CDA26286  Rosa woodsii var. ultramontana L. Ahart 2005-7-13 12144 Butte About 20 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville. Comment
  RSA716152  Rosa woodsii var. ultramontana L. Ahart 2005-7-13 12144 Butte About 20 yards S of the intersection of Forbestown Road and Black Bart Road. About 3.5 miles (air) SW of Forbestown. About 12 miles (air) E of Oroville. 749 Comment
  CHSC115684  Rubus glaucifolius Emily Meigs Doe 2015-4-23 25 Butte Northern High Sierra Nevada. Plumas National Forest. About 2.7 miles west-northwest of Forbestown. Approx. 150 ft. east of Road 19N19, approx. 250 ft. NE of its intersection with Ponderosa Way. 731 Comment
  JEPS127564  Rubus glaucifolius Emily Meigs Doe 2015-4-23 25 Butte Northern High Sierra Nevada. Plumas National Forest. About 2.7 miles west-northwest of Forbestown. Approximated 150 ft east of Road 19N19, approximated 250 ft NE of its intersection with Ponderosa Way. Forbestown 7.5' Quad. Comment
  CHSC28912  Rubus laciniatus M. S. Taylor 1980-2-17 2362 Butte Along a dirt road by creek, ca. 1/4 mi sw of lower Forbestown Rd, ca. 3 mi w of Forbestown. 396 Comment
  CHSC44425  Rubus leucodermis Lowell Ahart 1988-6-23 6075 Butte In the meadow, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC50683  Rumex acetosella Lowell Ahart 1990-5-25 6497 Butte Just below the high water line of Lake Oroville, about 1/4 mile west of the Enterprise Boat Launch Area, about 1 1/4 miles north-west of the Enterprise Bridge across Lake Oroville. 274 Comment
  CHSC98949  Rumex acetosella Lowell Ahart 2008-5-8 14726 Butte Below the high water line of Lake Oroville, about 50 yards east of the poor parking area, McCabe Creek area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 264 Comment
  CHSC99328  Rumex acetosella Lowell Ahart 2008-5-12 14761 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  CHSC99475  Rumex acetosella Lowell Ahart 2008-6-13 14831 Butte About 5 yards north of Oregon Gulch, about 50 yards west of the road culvert across Oregon Gulch, bottom of an old gold mined area, about 150 yards south of the cemetery, about 10 miles (air) northeast of Oroville. 305 Comment
  JEPS114963  Rumex acetosella Lowell Ahart 2008-5-8 14726 Butte Below the high water line of Lake Oroville, about 50 yards east of the poor parking area, McCabe Creek area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 264 Comment
  JEPS114984  Rumex acetosella Lowell Ahart 2008-6-13 14831 Butte about 5 yards N of Oregon Gulch, about 50 yds W of the road culvert across Oregon Gulch, about 150 yds S of the cemetary, about 10 mi (air) NE of Oroville 305 Comment
  RSA0035821  Rumex acetosella Lowell A. Ahart 2008-6-13 14831 Butte About 5 yards north of Oregon Gulch, about 50 yards west of the road culvert across Oregon Gulch, bottom of an old gold mined area, about 150 yards south of the cemetery, about 10 miles (air) northeast of Oroville. 305 Comment
  UC1562377  Rumex acetosella Lowell Ahart 1990-5-25 6497 Butte 1.25 mi nw Enterprise Bridge (across Lake Oroville) (0.25 mi w of Enterprise Boat Launch Area, just below the high water line of Lake Oroville); Lake Oroville 274 Comment
  CHSC51008  Rumex fueginus Lowell Ahart 1990-8-15 6588 Butte Near McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 228 Comment
  CHSC99487  Rumex salicifolius var. salicifolius Lowell Ahart 2008-6-13 14832 Butte Bottom of Oregon Gulch, about 50 yards west of the road culvert across Oregon Gulch, bottom of an old gold mined area, about 150 yards south of the cemetery, about 10 miles (air) northeast of Oroville. 305 Comment
  JEPS114700  Rumex salicifolius var. salicifolius Lowell Ahart 2008-6-13 14832 Butte on the bottom of Oregon Gulch, about 50 yds W of the road culvert across Oregon Gulch, about 150 yds S of the cemetery, about 10 mi (air) NE of Oroville 305 Comment
  RSA0039297  Rumex salicifolius var. salicifolius Lowell Ahart 2008-6-13 14832 Butte On the bottom of Oregon Gulch, about 50 yards west of the road culvert across Oregon Gulch, bottom of an old gold mined area, about 150 yards south of the cemetery, about 10 miles (air) northeast of Oroville. 305 Comment
  CHSC45579  Sagina apetala Lowell Ahart 1980-5-4 2215 Butte About 150 feet south-west of the intersection of Forbestown Road and Hurleton Swedes Flat Road, about 1/2 mile south-east of Hurleton. 548 Comment
  CHSC99010  Sagina apetala Lowell Ahart 2008-5-21 14787 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  CHSC113340  Sagina decumbens subsp. occidentalis Lowell Ahart 2014-5-21 19530 Butte South bank of river, where Sucker Creek flows into the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 249 Comment
  CHSC45581  Sagina decumbens subsp. occidentalis Lowell Ahart 1980-5-4 2216 Butte About 150 feet south-west of the intersection of Forbestown Road and Hurleton swedes Flat Road, about 1/2 mile south-east of Hurleton. 548 Comment
  CHSC50030  Sagina decumbens subsp. occidentalis Lowell Ahart 1990-4-15 6459 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 289 Comment
  CHSC98805  Sagina decumbens subsp. occidentalis Lowell Ahart 2008-5-2 14709 Butte Below the high water line of Lake Oroville, about 100 yards southwest of the Enterprise Boat Launch Area, about 10-1/2 miles (air) northeast of Oroville. 238 Comment
  CHSC98975  Sagina decumbens subsp. occidentalis Lowell Ahart 2008-5-12 14732 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  CHSC98988  Sagina decumbens subsp. occidentalis Lowell Ahart 2008-5-8 14710 Butte Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  JEPS114591  Sagina decumbens subsp. occidentalis Lowell Ahart 2008-5-2 14709 Butte Below the high water line of Lake Oroville, about 100 yards southwest of the Enterprise Boat Launch Area, about 10-1/2 miles (air) northeast of Oroville 238 Comment
  JEPS114725  Sagina decumbens subsp. occidentalis Lowell Ahart 2008-5-8 14710 Butte Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 259 Comment
  JEPS114955  Sagina decumbens subsp. occidentalis Lowell Ahart 2008-5-12 14732 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  JEPS122065  Sagina decumbens subsp. occidentalis Lowell Ahart 2014-5-21 19530 Butte South bank of river, where Sucker Creek flows into the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. Comment
  CHSC40542  Salix lasiolepis J. D. Jokerst; L. Ahart 1984-3-20 1947 Butte Along the edge of Black Bart Rd. 0.5 miles S of its junction with Forbestown Rd. Comment
  CHSC11069  Salvia sonomensis Lowell Ahart 1965-4-15 Butte Robinson Mill Road. 91 Comment
  CHSC51233  Salvia sonomensis Lowell Ahart 1976-4-15 1070 Yuba Growing near the Brownsville Dump, on the east side of Ponderosa Way, about 2 miles west of Brownsville. 518 Comment
  CHSC93878  Salvia sonomensis L. P. Janeway 2006-5-24 8613 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way 1.3 road km southeast of Robinson Mill Road; 1.3 air km southeast of Robinson Mills and Forbestown Road. 771 Comment
  UC1124863  Salvia sonomensis H. A. Jensen 1933-12-15 368 Butte 1 mi sw Brownsville; Smartsville Quad. 609 Comment
  UCD111110  Sanicula bipinnatifida Christopher Mallek 2008-1 s. n. Yuba Daken Flat. 675 Comment
  CHSC50031  Scleranthus annuus subsp. annuus Lowell Ahart 1990-4-15 6460 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 289 Comment
  CHSC50662  Scleranthus annuus subsp. annuus Lowell Ahart 1990-6-16 6515 Butte Below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC98953  Scleranthus annuus subsp. annuus Lowell Ahart 2008-5-12 14743 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  UC1562408  Scleranthus annuus subsp. annuus Lowell Ahart 1990-6-16 6515 Butte about 1/2 mi sw of the Enterprise Bridge across Lake Oroville (below the high water line of Lake Oroville) 243 Comment
  CAS-BOT-BC239959  Scribneria bolanderi Lowell Ahart 1980-5-4 2212 Butte Near Hurleton 600 Comment
  CHSC30031  Scribneria bolanderi L. Ahart 1980-5-4 2212 Butte About 50 m sw of the intersection of Forbestown Rd and Hurleton Swedes Flat Rd, ca. 1/2 mi se of Hurleton. 600 Comment
  CHSC78227  Scribneria bolanderi Lowell Ahart 2000-6-4 8442 Butte In the small meadow south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles (air) southwest of Forbestown. 731 Comment
  JEPS98455  Scribneria bolanderi Lowell Ahart 2000-6-4 8442 Butte 3 1/2 air miles SW of Forbestown (the small meadow S of int of Black Bart Road and Forbestown Road) 731 Comment
  CHSC46381  Scutellaria californica Lowell Ahart 1989-5-28 6291 Butte In a mined over area south of Oregon Gulch Road, about 1/2 mile north of the Cemetery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC62752  Scutellaria californica L. P. Janeway; Gail Kuenster, Perrie Cobb, Justine Biddison 1993-5-25 4356 Butte About 2.2 mi northeast of Lake Wyandotte; along Stringtown Road 1.3 mi northeast of the saddle where the road starts down to Lake Oroville. 381 Comment
  CHSC112466  Scutellaria siphocampyloides Lowell Ahart 2013-5-27 18708 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 763 Comment
  CHSC44282  Scutellaria siphocampyloides Vernon H. Oswald; Lowell Ahart 1988-6-17 3390 Butte East of Forbestown Rd. at the e end of Black Bart Rd. 743 Comment
  CHSC63645  Scutellaria siphocampyloides B. Castro; L. Hanson, R. Zebell 1989-5-30 313 Butte Ca 2 air mi SSW of the Ponderosa Reservoir on Lake Oroville, on Ponderosa Way (USFS Rd 20N24) ca 0.3 mi N of its jcn with Lower Forbestown Rd. 768 Comment
  CHSC799  Scutellaria siphocampyloides R. Carter 1964-6-12 121 Butte Ca. 24 mi. E of Oroville on Lower Forbestown Rd. 3 mi. N of Olive Hwy. on E side of road. 60 Comment
  JEPS120940  Scutellaria siphocampyloides Lowell Ahart 2013-5-27 18708 Butte About 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 air miles SW of Forbestown. Comment
  RSA0115081  Scutellaria siphocampyloides Lowell A. Ahart 2013-5-27 18708 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3.25 miles (air) southwest of Forbestown. 764 Comment
  CHSC51237  Scutellaria tuberosa Lowell Ahart 1980-5-4 2218 Butte About 1/2 mile east of the Oak Grove Cementery, about 3/4 to 1 mile south-east of Hurleton. 548 Comment
  CHSC109544  Sedum spathulifolium L. P. Janeway 2012-5-29 10830 Butte Northern High Sierra Nevada. Along Ponderosa Way 4.3 road km north of Lower Forbestown Road; 1.4 air km south-southwest of Ponderosa Reservoir dam. 482 Comment
  CHSC116987  Senecio sylvaticus Lowell Ahart 2016-6-4 20939 Butte On the east side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. 732 Comment
  JEPS127028  Senecio sylvaticus Lowell Ahart 2016-6-4 20939 Butte On the east side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. Comment
  CHSC34158  Sericocarpus oregonensis Lowell Ahart 1981-8-31 3053 Butte S of the jct of Black Bart Rd and Oroville-Forbestown rd, ca. 10 mi W of Forbestown. 750 Comment
  CHSC86849  Sericocarpus oregonensis L. P. Janeway; Gavin Blosser 2003-8-27 7970 Butte Northern Sierra Nevada Foothills. East side of McCabe Creek arm of South Fork Feather River arm of Lake Oroville; 1.0 km (air) south-southwest of the southern end of Enterprise Bridge. 282 Comment
  CHSC44428  Sherardia arvensis Lowell Ahart 1988-6-23 6074 Butte South of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC63271  Sherardia arvensis Lowell Ahart 1994-4-22 7287 Butte South of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles south-west of Forbestown. 609 Comment
  JEPS87673  Sherardia arvensis Lowell Ahart 1994-4-22 7287 Butte about 3.5 mi sw Forbestown (s of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  JEPS87674  Sherardia arvensis Lowell Ahart 1994-4-22 7287 Butte about 3.5 mi sw Forbestown (s of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  CHSC100996  Sidalcea asprella L. P. Janeway 2006-5-24 8617 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way 1.6 road km north of La Porte Road and Brownsville. 680 Comment
  CHSC101000  Sidalcea asprella L. P. Janeway 2006-5-24 8609 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way 1.0 road km southeast of Robinson Mill Road; 1.2 air km southeast of Robinson Mills and Forbestown Road. 768 Comment
  CHSC29406  Sidalcea asprella R. A. Schlising; D. Ikeda, R. Banchero 1980-6-23 3759 Butte E of Lake Oroville, 3.4 mi N and W of Forbestown along Forbestown Road. 892 Comment
  CHSC29977  Sidalcea asprella Lowell Ahart 1980-5-17 q 2300 Butte About .5 mi SE of Hurleton, slightly E of Oak Grove Cemetery. 600 Comment
  SEINET7085242  Sidalcea asprella Steven R. Hill 2010-7-17 38553 Butte Junction of Forbestown Road and upper end of Black Bart Road. Elevation 2800 - 3000 feet [2442 feet]. Sierra Nevada. Coordinate Datum: WGS84/NAD83. 744 Comment
  UC1013146  Sidalcea asprella C. L. Hitchcock 1952-5-28 19537 Butte 6 mi w Forbestown (Oroville-Forbestown Road) Comment
  CHSC116992  Sidalcea asprella subsp. asprella Lowell Ahart 2016-6-4 20933 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. 732 Comment
  JEPS127019  Sidalcea asprella subsp. asprella Lowell Ahart 2016-6-4 20933 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. Comment
  RSA87488  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-5-28 s.n. Butte Oroville-Forbestown Rd, 6 miles W. of Forbestown. Comment
  CAS-BOT-BC384466  Silene antirrhina Lowell Ahart 1985-5-31 5032 Butte About 25 feet below the high water line of Lake Oroville, 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville 274 Comment
  CHSC40792  Silene antirrhina Lowell Ahart 1985-5-31 5032 Butte About 25 feet below the high water line of Lake Oroville, 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville. 274 Comment
  CHSC45556  Silene antirrhina Lowell Ahart 1980-5-25 2343 Butte Near the edge of Ponderosa Way, about 1 1/2 miles south of the Ponderosa Dam, about 2 miles north-west of Forbestown. 457 Comment
  CHSC50664  Silene antirrhina Lowell Ahart 1990-5-25 6478 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 259 Comment
  CHSC99019  Silene antirrhina Lowell Ahart 2008-5-21 14773 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS114713  Silene antirrhina Lowell Ahart 2008-5-21 14773 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  RSA755001  Silene antirrhina L. Ahart 2008-5-21 14773 Butte Lake Oroville, north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 0.25 mile northwest of the Ponderosa Dam. 246 Comment
  UC1562425  Silene antirrhina Lowell Ahart 1990-5-25 6478 Butte about 1/8 mi nw Enterprise Bridge (across Lake Oroville, below high water line Lake Oroville, e of Enterprise Boat Launch Area); Lake Oroville 259 Comment
  CHSC118500  Silene laciniata subsp. californica L. P. Janeway 2016-5-9 11955 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19. 701 Comment
  CHSC42411  Silene laciniata subsp. californica Lowell Ahart 1977-4-28 1326 Butte Near Ponderosa Way and near the Ponderosa Dam, north-west of Forbestown. 335 Comment
  CHSC2415  Sisyrinchium bellum R. Carter 1965-6-20 245 Butte Found 4 mi. E of intersection of Lumpkin Rd. and Forbstown Rd. on Forbstown Rd. 25' N of road; ca. 14 mi. E of Oroville. 609 Comment
  CHSC52361  Sisyrinchium bellum L. P. Janeway 1989-5-17 3240 Butte Along Forbestown Rd 9.2 mi E of Oroville-Quincey Hwy; 0.1 mi W of Lower Forbestown Rd. 798 Comment
  CHSC113162  Solanum americanum Lowell Ahart 2013-11-17 19264 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 of a mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC113978  Solanum americanum Lowell Ahart 2014-11-17 19911 Butte Just below the high water line of Lake Oroville, about 50 yards west of the Enterprise Boat Launch Area, parking area, about 11 miles (air) northeast of Oroville. 253 Comment
  CHSC40897  Solanum americanum Lowell Ahart 1985-11-5 5225 Butte About 90 feet below the high water line of Lake Oroville, about 1/2 mile west of the Ponderosa Dam, near where Sucker Creek flows into the South Fork of the F eather River. 274 Comment
  JEPS120606  Solanum americanum Lowell Ahart 2013-11-13 19248 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  JEPS121889  Solanum americanum Lowell Ahart 2014-11-17 19911 Butte Just below the high water line of Lake Oroville, about 50 yards west of the Enterprise Boat Launch Area, about 11 miles (air) northeast of Oroville. Comment
  RSA0118931  Solanum americanum Lowell Ahart 2013-11-13 19248 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 244 Comment
  CAS-BOT-BC364942  Solidago velutina subsp. californica Lowell Ahart 1988-7-24 6130 Butte About 1/20 mile north-east of the intersection of Ponderosa Way and Lower Forbestown Road, west of Sunset Hill, near Forbestown 731 Comment
  CHSC44900  Solidago velutina subsp. californica Lowell Ahart 1988-7-24 6130 Butte About 1/20 mile north-east of the intersection of Ponderosa Way and Lower Forbestown Road, west of Sunset Hill, near Forbestown. 731 Comment
  CHSC30040  Soliva sessilis L. Ahart 1980-5-17 2280 Butte Along the edges of a wash, ca. 1/8 mi s of the Oak Grove Cemetary, ca. 1/2 mi se of Hurleton. 600 Comment
  CHSC113916  Sonchus asper subsp. asper Lowell Ahart 2014-5-13 19462 Butte Below the high water line of Lake Oroville, along the old paved road, about 50 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of Oroville. 259 Comment
  CHSC117004  Sonchus asper subsp. asper Lowell Ahart 2016-6-4 20926 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. 732 Comment
  JEPS122118  Sonchus asper subsp. asper Lowell Ahart 2014-5-13 19462 Butte Below the high water line of Lake Oroville, along the old paved road, about 50 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of Oroville. Comment
  JEPS127027  Sonchus asper subsp. asper Lowell Ahart 2016-6-4 20926 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. Comment
  CHSC40791  Spergula arvensis subsp. arvensis Lowell Ahart 1985-5-31 5031 Butte About 25 feet below the high water line of Lake Oroville, 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville. 274 Comment
  CHSC50032  Spergula arvensis subsp. arvensis Lowell Ahart 1990-1-17 6406 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 289 Comment
  CHSC98959  Spergula arvensis subsp. arvensis Lowell Ahart 2008-5-12 14735 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  CHSC98980  Spergula arvensis subsp. arvensis Lowell Ahart 2008-5-8 14711 Butte Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  JEPS114711  Spergula arvensis subsp. arvensis Lowell Ahart 2008-5-8 14711 Butte Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 259 Comment
  JEPS114737  Spergula arvensis subsp. arvensis Lowell Ahart 2008-5-12 14735 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  CHSC50033  Spergularia rubra Lowell Ahart 1990-4-15 6461 Butte Near a small stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 289 Comment
  CHSC50993  Spergularia rubra Lowell Ahart 1990-7-4 6548 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC98983  Spergularia rubra Lowell Ahart 2008-5-8 14712 Butte Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  JEPS114724  Spergularia rubra Lowell Ahart 2008-5-8 14712 Butte Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 259 Comment
  RSA0098132  Spergularia rubra L. Ahart 2008-5-8 14712 Butte About 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 air miles east of Oroville. 260 Comment
  UC1562291  Spergularia rubra Lowell Ahart 1990-7-4 6548 Butte along creek about 1/2 mi sw Enterprise Bridge across lake (below high water line of lake); Lake Oroville, McCabe Creek 243 Comment
  CHSC112692  Spiraea douglasii Lowell Ahart 2013-7-1 18813 Butte Meadow, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  HSC104002  Spiraea douglasii L. Ahart 2013-7-1 18813 Butte About 3.25 mi. (air) SW of Forbestown; ~150 yds, E of the intersection of Forbestown Rd. and Black Bart Rd. 738 Comment
  JEPS120832  Spiraea douglasii Lowell Ahart 2013-7-1 18813 Butte About 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  RSA0036991  Spiraea douglasii Lowell A. Ahart 2013-7-1 18813 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC78350  Spiranthes porrifolia Lowell Ahart 2000-6-6 8453 Butte Southeast of where the dirt road crosses Oregon Gulch creek, about 1/4 mile northeast of the cemetery, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville Dam. 304 Comment
  CHSC99477  Spiranthes porrifolia Lowell Ahart 2008-6-13 14825 Butte Small meadow, bottom of an old gold mined area, about 350 yards southwest of the cemetery, about 50 yards north of Oregon gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  JEPS98321  Spiranthes porrifolia Lowell Ahart 2000-6-6 8453 Butte 5 air miles E of Oroville Dam (old gold mining pit SE of where the dirt road crosses Oregon Gulch creek, about 1/4 mi NE of the cemetery, 1 1/2 mi S of Crystal Hill) 304 Comment
  CHSC2414  Stachys ajugoides var. rigida R. Carter 1965-6-20 244 Butte Found 4 mi. E of intersection of Lumpkin Rd. and Forbestown Rd. on Forbestown Rd., in meadow 25' N of road; ca. 14 mi. E of Oroville. 609 Comment
  CHSC44403  Stachys ajugoides var. rigida Lowell Ahart 1988-6-23 6063 Butte North of Forbestown Road, about 1/12 mile east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC99474  Stachys pycnantha Lowell Ahart 2008-7-23 15146 Butte North edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  CHSC99492  Stachys pycnantha Lowell Ahart 2008-7-23 15154 Butte West side of McCabe Creek, below the high water line of Lake Oroville, about 100 yards southwest of the poor parking area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 243 Comment
  JEPS114699  Stachys pycnantha Lowell Ahart 2008-7-23 15154 Butte on the N side of the South Fork of the Feather River, about 10 yds E of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mi W of the Ponderosaedge 258 Comment
  JEPS114740  Stachys pycnantha Lowell Ahart 2008-7-23 15154 Butte West side of McCabe Creek, below the high water line of Lake Oroville, about 100 yards southwest of the poor parking area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 243 Comment
  RSA0039298  Stachys pycnantha Lowell Ahart 2008-7-23 15146 Butte On the north edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  RSA0058880  Stachys pycnantha Lowell A. Ahart 2008-7-23 15154 Butte On the west side of McCabe Creek, below the high water line of Lake Oroville, about 100 yards southwest of the poor parking area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 243 Comment
  CHSC113349  Stellaria media Lowell Ahart 2014-5-13 19463 Butte Below the high water line of Lake Oroville, about 100 yards west of the poor parking area, about 30 yards east of McCabe Creek, about 11 miles (air) east of Oroville. 244 Comment
  CHSC115471  Stellaria media L. P. Janeway 2015-2-18 11633 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 4.3 road-km north of Lower Forbestown Road; 2.7 air-km north of Sunset Hill; north-facing side of the canyon above the upper end of South Fork Feather River arm of Lake Oroville. 483 Comment
  CHSC98954  Stellaria media Lowell Ahart 2008-5-12 14752 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS114741  Stellaria media Lowell Ahart 2008-5-12 14752 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  JEPS122000  Stellaria media Lowell Ahart 2014-5-13 19463 Butte Below the high water line of Lake Oroville, about 100 yards west of the poor parking area, about 30 yards east of McCabe Creek, about 11 miles (air) east of Oroville. Comment
  RSA754998  Stellaria media L. Ahart 2008-5-12 14752 Butte Lake Oroville, on the east side of Sucker Creek, about 40-100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  CAS-BOT-BC395114  Stellaria nitens Lowell Ahart 1980-3-26 2069 Butte Near Hurleton 600 Comment
  CHSC29990  Stellaria nitens L. Ahart 1980-3-26 Butte E of the cemetery, ca. 1/2 mi e and 1/4 mi s of Hurleton. 600 Comment
  CHSC50989  Stephanomeria elata Lowell Ahart 1990-8-15 6592 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/2 mile north-west of the Enterprise Bridge across Lake Oroville. 274 Comment
  CHSC62436  Stephanomeria paniculata L. P. Janeway 1993-9-7 4587 Butte Plumas National Forest. About 300 ft west of the south end of Ponderosa Dam. Along the edge of the dirt road. 298 Comment
  UC1562279  Stephanomeria paniculata Lowell Ahart 1990-8-15 6592 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/2 mile north-west of the Enterprise Bridge across Lake Oroville. 274 Comment
  CHSC36695  Streptanthus tortuosus R. E. Preston 1982-5-19 287 Butte On n side of McCabe's Cr, 100 ft e of Lumpkin Rd, ca. 12 mi e of Oroville. 451 Comment
  CHSC116998  Streptanthus tortuosus var. pallidus Lowell Ahart 2016-6-4 20917 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. 387 Comment
  JEPS127024  Streptanthus tortuosus var. pallidus Lowell Ahart 2016-6-4 20917 Butte Road cut bank on the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. Comment
  LA44530  Styrax redivivus A. A. Heller; 1915-5-25 11891 Butte Sierra Nevada, ridge above Enterprise 609 Comment
  CHSC113661  Tanacetum parthenium L. P. Janeway 2014-5-29 11278 Butte Northern High Sierra Nevada. Plumas National Forest; at junction of Roads 18N18 and 19N40 (but 19N40 doesn't exist here anymore), 1.0 air-km north of top of Sunset Hill; upper slopes high above South Fork Feather River arm of Lake Oroville. 774 Comment
  CHSC40474  Tanacetum parthenium Lowell Ahart 1985-7-9 5109 Butte Along Ponderosa Way, about 1/2 mile south of the Ponderosa Dam across the South Fork of the Feather River, about 3 1/2 miles north-west of Forbestown. 457 Comment
  CHSC97013  Tanacetum parthenium L. P. Janeway 2007-6-19 9066 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 2.1 road km south of Ponderosa Dam; 1.2 air km south-southwest of Ponderosa Dam and South Fork Feather River. 396 Comment
  CHSC116982  Tauschia kelloggii Lowell Ahart 2016-6-4 20929 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. 732 Comment
  CHSC37540  Tauschia kelloggii J. D. Jokerst 1982-5-16 1572 Butte Ponderosa Way ca 1/2 mile N of its junction w/ lower Forbestown Rd. 731 Comment
  CHSC60949  Tauschia kelloggii Lowell Ahart 1993-6-16 6972 Butte South-west of the intersection of Black bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown. 609 Comment
  JEPS127026  Tauschia kelloggii Lowell Ahart 2016-6-4 20929 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. Comment
  UC1609369  Tauschia kelloggii Lowell Ahart 1993-6-16 6972 Butte sw intersection of Black Bart Road and Forbestown Road (about 3 1/2 air mi sw of Forbestown) 609 Comment
  CAS-BOT-BC197408  Thinopyrum intermedium subsp. intermedium Lowell Ahart 1988-7-24 6133 Butte Along the south side of Ponderosa Way, about 1/2 mile north-west of the intersection of Lower Forbestown Road, west of Sunset Hill, near Forbestown 731 Comment
  CHSC33688  Thysanocarpus curvipes L. Ahart 1981-3-29 2711 Butte Along the edge of Ponderosa Way near the Ponderosa Dam, near Forbestown. 250 Comment
  JEPS87487  Torilis arvensis Lowell Ahart 1993-6-16 6969 Butte about 3.5 (air) mi sw Forbestown (sw of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  UC1609192  Torilis arvensis Lowell Ahart 1993-6-16 6969 Butte about 3.5 (air) mi sw Forbestown (sw of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  CHSC50640  Torilis arvensis subsp. purpurea Lowell Ahart 1990-5-25 6490 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across lake Oroville. 271 Comment
  CHSC60951  Torilis arvensis subsp. purpurea Lowell Ahart 1993-6-16 6969 Butte On the west side of a small meadow, south-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown. 609 Comment
  CHSC99015  Torilis arvensis subsp. purpurea Lowell Ahart 2008-5-21 14766 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS114716  Torilis arvensis subsp. purpurea Lowell Ahart 2008-5-21 14766 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  CAS-BOT-BC81373  Torreya californica Lowell Ahart 1980-10-26 2688 Butte Near the Forbestown Res., Forbestown 400 Comment
  CHSC28909  Torreya californica M. S. Taylor 1980-2-17 2354 Butte On s side of Forbestown Rd, ca.3 mi w of Forbestown. 609 Comment
  CHSC31452  Torreya californica L. Ahart; M., K. Epperson 1980-10-26 2688 Butte Near the Forbestown Reservoir Dam, ca. 3 mi ne of Forbestown. 400 Comment
  CHSC86846  Torreya californica L. P. Janeway; Gavin Blosser 2003-8-27 7971 Butte Northern High Sierra Nevada. Southeast side of South Fork Feather River arm of Lake Oroville; 2.2 km (air) east-northeast of Enterprise Bridge. 285 Comment
  CHSC112446  Toxicoscordion venenosum var. venenosum Lowell Ahart; Susan Kephart, Jim Kephart 2013-6-1 18721 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC44448  Toxicoscordion venenosum var. venenosum Lowell Ahart 1988-6-23 6066 Butte North of Forbestown Road, about 1/12 mile east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  JEPS120915  Toxicoscordion venenosum var. venenosum Lowell Ahart 2013-6-1 18721 Butte about 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown. Comment
  CHSC112691  Trichostema lanceolatum Lowell Ahart 2013-7-1 18816 Butte Open disturbed area, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC57495  Trientalis latifolia Robert Hill 1990-4-12 20 Butte Along shady creek bank at intersection of Lumpkin Road and McCabe Creek, 1 mi s of of South Fork Feather River, 13 mi e of Oroville. 396 Comment
  CHSC113920  Trifolium ciliolatum Lowell Ahart 2014-5-13 19464 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 100 yards west of the poor parking area, about 30 yards east of McCabe Creek, about 11 miles (air) east of Oroville. 244 Comment
  CHSC115320  Trifolium ciliolatum Lowell Ahart 2015-4-18 20049 Butte On the west side of Robinson Mill Road, about 1 1/2 miles southwest of the intersection of Robinson Mills Road and Forbestown Road, about 12 miles (air) southeast of Oroville. 685 Comment
  CHSC116991  Trifolium ciliolatum Lowell Ahart 2016-6-4 20923 Butte On the north side of Lumpkin Road, about 100 yaards north of McCabe Creek, about 3 miles (air) west of Forbestown. 387 Comment
  CHSC33562  Trifolium ciliolatum M. S. Taylor 1981-5-5 3607 Butte On e side of Lumpkin-LaPorte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 mi e of Oroville. 457 Comment
  CHSC98981  Trifolium ciliolatum Lowell Ahart 2008-5-12 14744 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  JEPS114729  Trifolium ciliolatum Lowell Ahart 2008-5-12 14744 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 258 Comment
  JEPS124007  Trifolium ciliolatum Lowell Ahart 2015-4-18 20049 Butte About 1 1/2 miles southwest of the intersection of Robinson Mill Road and Forbestown Road, about 12 miles (air) southeast of Oroville. Comment
  CHSC110103  Trifolium dubium L. P. Janeway 2012-5-29 10829 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 4.3 road km north of Lower Forbestown Road; 1.4 air km south of the Ponderosa Reservoir dam. 485 Comment
  CHSC117852  Trifolium dubium L. P. Janeway 2016-5-9 11945 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19. 701 Comment
  CHSC50041  Trifolium dubium Lowell Ahart 1990-4-15 6456 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 289 Comment
  CHSC98969  Trifolium dubium Lowell Ahart 2008-5-12 14756 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  JEPS114723  Trifolium dubium Lowell Ahart 2008-5-12 14756 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 258 Comment
  CHSC46372  Trifolium glomeratum Lowell Ahart 1989-5-28 6302 Butte In a small meadow north of Oregon Gulch Road, about 1 1/2 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC78148  Trifolium glomeratum Lowell Ahart 2000-6-6 8457 Butte Near a meadow on the bottom of an old gold mining pit, about 200 yards northwest of where the dirt road crosses Oregon Gulch creek, about 1/4 mile north of the cemetery, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville. 304 Comment
  CHSC99329  Trifolium glomeratum Lowell Ahart 2008-5-12 14745 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  JEPS98460  Trifolium glomeratum Lowell Ahart 2000-6-6 8457 Butte 5 air miles E of Oroville Dam (old gold mining pit, 200 yds NW of where the dirt road crosses Oregon Gulch creek, about 1/4 mi NE of the cemetery, 1 1/2 mi S of Crystal Hill) 304 Comment
  JEPS98678  Trifolium glomeratum Lowell Ahart 2000-6-6 8457 A Butte 5 mi(air)E of;near a meadow on bottom of old gold mining pit 200 yds NW of dirt road xing Oregon Gulch creek, 1/4 mi N of cemetary, 1 1/2 mi S of Crystal Hill Oroville Dam 304 Comment
  CHSC34674  Trifolium hirtum M. S. Taylor 1981-4-30 3573 Butte NW corner of jct of Forbestown Rd and Lumpkin Rd (Feather Falls turnoff), ca. 10 air mi e of Oroville. 548 Comment
  CHSC99326  Trifolium hirtum Lowell Ahart 2008-5-12 14760 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  JEPS114721  Trifolium hirtum Lowell Ahart 2008-5-12 14760 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 258 Comment
  CHSC116993  Trifolium microcephalum Lowell Ahart 2016-6-4 20924 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. 387 Comment
  CHSC117854  Trifolium microcephalum L. P. Janeway 2016-5-9 11947 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19. 701 Comment
  CHSC50042  Trifolium microcephalum Lowell Ahart 1990-4-15 6457 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 289 Comment
  CHSC98982  Trifolium microcephalum Lowell Ahart 2008-5-12 14746 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  JEPS114742  Trifolium microcephalum Lowell Ahart 2008-5-12 14746 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 258 Comment
  JEPS127018  Trifolium microcephalum Lowell Ahart 2016-6-4 20924 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. Comment
  UCSC010315  Trifolium microcephalum Lowell Ahart 2016-6-4 20924 Butte On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 air miles west of Forbestown. 388 Comment
  CHSC117856  Trifolium microdon L. P. Janeway 2016-5-9 11948 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19. 701 Comment
  CHSC46374  Trifolium subterraneum Lowell Ahart 1989-5-28 6289 Butte In a large meadow, in a mined over area south of Oregon Gulch Road, about 1/2 mile north of the Cemetery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC99330  Trifolium subterraneum Lowell Ahart 2008-5-12 14747 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  CHSC98964  Trifolium variegatum Lowell Ahart 2008-5-12 14748 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 258 Comment
  CHSC99315  Trifolium variegatum Lowell Ahart 2008-5-30 14798 Butte Small meadow, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  JEPS114589  Trifolium variegatum Lowell Ahart 2008-5-30 14798 Butte Small meadow, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 305 Comment
  CHSC50044  Trifolium variegatum var. variegatum Lowell Ahart 1990-4-15 6458 Butte Growing below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 289 Comment
  CHSC117859  Trifolium willdenovii L. P. Janeway 2016-5-9 11950 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19. 701 Comment
  CHSC33560  Trifolium willdenovii M. S. Taylor 1981-5-5 3603 Butte On e side of Lupkin-LaPorte Rd, 1 mi n of Enterprise Bridge over south fork Feather River, ca. 10 mi e of Oroville. 457 Comment
  CHSC98963  Trifolium willdenovii Lowell Ahart 2008-5-12 14749 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  JEPS114733  Trifolium willdenovii Lowell Ahart 2008-5-12 14749 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  CHSC99314  Triodanis biflora Lowell Ahart 2008-5-21 14771 Butte Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS114731  Triodanis biflora Lowell Ahart 2008-5-21 14771 Butte Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  CHSC44435  Triteleia bridgesii Lowell Ahart 1988-6-15 6039 Butte North of Forbestown Road, about 100 meters east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC74033  Triteleia bridgesii B. Castro 1998-7-8 803 Butte Ca 2 air mi W of Forbestown, ca. 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. Sunset Hill Meadow. 929 Comment
  JEPS13882  Triteleia bridgesii Rimo Bacigalupi with L. R. Heckard, Ruth Sanderson and Geo. Bacigalupi 1952-6-20 3753 Butte 3 mi e Hurleton (along road between Hurleton and Forbestown) 762 Comment
  RSA151965  Triteleia bridgesii Rimo C. Bacigalupi, L. R. Heckard, Ruth D. Sanderson, G. Bacigalupi 1952-6-20 3753 Butte Along road between Hurleton and Forbestown, 3 miles E of Hurleton. 762 Comment
  UC843589  Triteleia bridgesii Lewis S. Rose 1937-6-10 37354 Butte Hurleton 579 Comment
  CHSC93934  Triteleia hyacinthina L. P. Janeway 2006-5-24 8623 Yuba Northern Sierra Nevada Foothills. East side of Ponderosa Way 1.3 km north of La Porte Road and Brownsville. 686 Comment
  RSA712850  Triteleia hyacinthina L. P. Janeway 2006-5-24 8623 Yuba Northern Sierra Nevada Foothills, E side of Ponderosa Way 1.3km N of La Porte Road and Brownsville 686 Comment
  CHSC118506  Triteleia ixioides subsp. scabra L. P. Janeway 2016-5-9 11956 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Ovoville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19. 701 Comment
  CHSC74733  Triteleia ixioides subsp. scabra B. Castro; L. Gehrung 1998-6-18 794 A Butte Two to four air miles W of Forbestown, on S side of Forbestown Rd between Lumpkin Rd and Sunset Hill. 792 Comment
  CHSC113921  Veronica americana Lowell Ahart 2014-5-13 19466 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 200 yards southwest of the poor parking area, about 11 miles (air) east of Oroville. 244 Comment
  CHSC1903  Veronica americana R. Morford 1931-5-3 Butte Feather River canyon near Enterprise. Comment
  CHSC1905  Veronica americana R. Carter 1964-6-12 120 Butte Ca. 24 mi. E of Oroville on Lower Forbestown Rd. 3 mi. N of Olive Hwy. on E side of road. 609 Comment
  CHSC34159  Veronica americana L. Ahart 1981-8-31 3054 Butte Near the Black Bart Rd, ca. 1 mi w of jct of Black Bart Rd and Oroville-Forbestown Rd, w of Forbestown. 750 Comment
  CHSC98968  Veronica americana Lowell Ahart 2008-5-12 14736 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  CHSC98984  Veronica americana Lowell Ahart 2008-5-8 14715 Butte Below the high water line of Lake Oroville, about 150 yards south of the poor parking area, on the east side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  JEPS114720  Veronica americana Lowell Ahart 2008-5-12 14736 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  JEPS114727  Veronica americana Lowell Ahart 2008-5-8 14715 Butte Below the high water line of Lake Oroville, about 150 yards south of the poor parking area, on the east side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 259 Comment
  JEPS121999  Veronica americana Lowell Ahart 2014-5-13 19466 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 200 yards southwest of the poor parking area, about 11 miles (air) east of Oroville. Comment
  CHSC47509  Veronica arvensis Lowell Ahart 1980-5-4 2195 Butte About 1/2 mile east of the Oak Grove Cementery, about 1 mile south-east of Hurleton. 548 Comment
  CHSC84162  Veronica arvensis Lowell Ahart 2003-6-29 10320 Yuba In a wash, on the east side of Ponderosa Way, about 1 1/2 miles north of La Porte Road, about 1 mile (air) west of Brownsville. 701 Comment
  CHSC113159  Veronica peregrina subsp. xalapensis Lowell Ahart 2013-11-17 19263 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 of a mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC46412  Veronica peregrina subsp. xalapensis Lowell Ahart 1989-5-28 6281 Butte In a mined over area south of Oregon Gulch Road, sbout 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC50691  Veronica peregrina subsp. xalapensis Lowell Ahart 1990-6-16 6520 Butte Growing along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile southwest of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC99005  Veronica peregrina subsp. xalapensis Lowell Ahart 2008-5-21 14784 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, about 100 yards west of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS114715  Veronica peregrina subsp. xalapensis Lowell Ahart 2008-5-21 14784 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, about 100 yards west of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the P 246 Comment
  UC1562406  Veronica peregrina subsp. xalapensis Lowell Ahart 1990-6-16 6520 Butte about 1/2 mi sw of the Enterprise Bridge across Lake Oroville (below the high water line, along McCabe Creek,); McCabe Creek 243 Comment
  CHSC50672  Vicia americana var. americana Lowell Ahart 1990-5-25 6487 Butte Near a small stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 259 Comment
  UC1562414  Vicia americana var. americana Lowell Ahart 1990-5-25 6487 Butte about .12 mi nw Enterprise Bridge across Lake Oroville (e of Enterprise Boat Launch Area); Lake Oroville 259 Comment
  CHSC110106  Vicia sativa subsp. nigra L. P. Janeway 2012-5-29 10828 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 4.3 road km north of Lower Forbestown Road; 1.4 air km south of the Ponderosa Reservoir dam. 485 Comment
  CHSC117846  Vicia sativa subsp. nigra L. P. Janeway 2016-5-9 11943 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19. 701 Comment
  CHSC30041  Vicia sativa subsp. nigra L. Ahart 1980-5-17 2296 Butte Under oak trees a little e of the Oak Grove Cemetery, ca. 1/2 mi se of Hurleton. 600 Comment
  JEPS127568  Vicia sativa subsp. nigra L. P. Janeway 2016-5-9 11943 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19. Forbestown 7.5' Quad. Comment
  CHSC2013  Viola lobata subsp. lobata R. M. Staley 1952-7-14 Butte Ponderosa road. 640 Comment
  CHSC46416  Viola purpurea subsp. quercetorum Lowell Ahart 1989-5-28 6294 Butte South of Oregon Gulch Road, about 1/2 mile north of the Cemetary, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC50117  Viola purpurea subsp. quercetorum Vernon Oswald 1990-4-30 4177 Butte Craig Saddle Recreation Area on the South Fork of Lake Oroville, on the south side of Craig Access Rd (Oregon Creek Rd) on the portion following the old railroad grade. 298 Comment
  CAS-BOT-BC198751  Vulpia bromoides Lowell Ahart 1989-5-28 6287 Butte In a mined over area south of Oregon Gulch Road, about 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville 335 Comment
  CHSC46444  Vulpia bromoides Lowell Ahart 1989-5-28 6287 Butte In a meadow, in a mined over area south of Oregon Gulch Road, about 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC98804  Vulpia bromoides Lowell Ahart 2008-5-2 14708 Butte Below the high water line of Lake Oroville, about 100 yards southwest of the Enterprise Boat Launch Area, about 10-1/2 miles (air) northeast of Oroville. 238 Comment
  CAS-BOT-BC183963  Vulpia microstachys var. microstachys Lowell Ahart 1980-5-17 2293 Butte 1/2 mile south-east of Hurleton 600 Comment
  JEPS114991  Vulpia microstachys var. microstachys Lowell Ahart 2008-5-8 14723 Butte below the high water line of Lake Oroville, about 50 yds S of the poor parking area, about 50 yds E of McCabe Creek, about 3/4 mi SW of the Enterprise Bridge, about 11 mi (air) E of Oroville 259 Comment
  CAS-BOT-BC184700  Vulpia myuros subsp. megalura Lowell Ahart 1990-9-11 6410 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville 289 Comment
  CHSC50067  Vulpia myuros var. hirsuta Lowell Ahart 1990-2-9 6410 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 289 Comment
  CHSC82378  Vulpia myuros var. myuros Lowell Ahart 2002-6-2 9678 Butte In a meadow, southwest of the intersection of Black Bart Road and Forbestown Road, about 3 miles (air) southwest of Forbestown. 670 Comment
  CHSC98976  Vulpia myuros var. myuros Lowell Ahart 2008-5-12 14738 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  CAS-BOT-BC77801  Woodwardia fimbriata M. S. Taylor 1980-2-14 2311 Butte Macabes Creek ca. 100 ft e of Lumpkin Rd, ca 2 1/2 mi n of its jct with Forbestown Rd, ca. 18 mi n of Oroville 457 Comment
  CHSC28887  Woodwardia fimbriata M. S. Taylor; J. D. Jokerst 1980-2-14 2311 Butte Macabes Creek ca. 100 ft e of Lumpkin Rd, ca. 2 1/2 mi n of its jct with Forbestown Rd, ca. 18 mi ne of Oroville. 457 Comment
  CHSC28888  Woodwardia fimbriata M. S. Taylor 1980-2-17 2360 Butte Ca. 1/4 mi sw of lower Forbestown Rd, ca. 3 mi w of Forbestown. 396 Comment
  CHSC34153  Woodwardia fimbriata L. Ahart 1981-8-31 3056 Butte Near the Black Bart Rd, ca. 1 mi w of the jct of Black Bart Rd and Oroville-Forbestown Rd, w of Forbestown. 750 Comment
  CAS-BOT-BC382895  Wyethia angustifolia Lowell Ahart 1989-5-28 6301 Butte West of the Oregon Gulch Road, about 1 1/2 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville 335 Comment
  CHSC46342  Wyethia angustifolia Lowell Ahart 1989-5-28 6301 Butte West of the Oregon Gulch Road, about 1 1/2 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC44889  Wyethia bolanderi Lowell Ahart 1976-4-15 1069 Yuba Near the Brownsville Dump, along Ponderosa Way, about 1 air mile west of Brownsville. 548 Comment
  CHSC93855  Wyethia bolanderi L. P. Janeway 2006-5-24 8614 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way 1.3 road km southeast of Robinson Mill Road; 1.3 air km southeast of Robinson Mills and Forbestown Road. 771 Comment
  CHSC93935  Wyethia bolanderi L. P. Janeway 2006-5-24 8624 Yuba Northern Sierra Nevada Foothills. East side of Ponderosa Way 1.3 km north of La Porte Road and Brownsville. 686 Comment
  CAS-BOT-BC383674  Xanthium strumarium Lowell Ahart 1986-10-16 5408 Butte Below the high water line of Lake Oroville, about 1/10 mile east of the Enterprise Launch Area, about 1/4 mile south-west of Lumpkin Road, north-east of Oroville 274 Comment
  CHSC41862  Xanthium strumarium Lowell Ahart 1986-10-16 5408 Butte Below the high water line of Lake Oroville, about 1/10 mile east of the Enterprise Launch Area, about 1/4 mile south-west of Lumpkin Road, north-east of Oroville. 274 Comment
  CHSC50999  Zeltnera venusta Lowell Ahart 1990-7-15 6561 Butte Along a small stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile northwest of the Enterprise Bridge across Lake Oroville. 243 Comment



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