39.67305 39.77305 -121.30777 -121.20777 UC/JEPS: Consortium Search Results
Search Results — 442 specimen records retrieved (442 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
  CAS-BOT-BC21749  Achillea millefolium Lowell Ahart 1983-7-29 4225 Butte About 1/4 mile west of Milsap Bar, about 25 miles north-east of Oroville 500 Comment
  CHSC39289  Achillea millefolium Lowell Ahart 1983-7-29 4225 Butte 1/4 mile west of Milsap Bar, California. About 25 miles north-east of Oroville, California. 500 Comment
  CHSC70822  Achnatherum occidentale subsp. pubescens B. Castro; L. Gehrung 1995-7-14 584 A Plumas Ca 8 air mi SW of Bucks Lake, ca 0.3 mi W of Kellogg Ravine, along edges of USFS Rd 22N29. 1493 Comment
  CAS-BOT-BC204850  Acmispon argophyllus var. fremontii Lowell Ahart 1983-7-29 4256 Butte About 3 miles east of Milsap Bar, about 25 miles north-east of Oroville 1100 Comment
  CHSC39293  Acmispon argophyllus var. fremontii Lowell Ahart 1983-7-29 4256 Butte Along the edge of a dirt road, about 3 miles east of Milsap Bar, about 25 miles northeast of Oroville. 1100 Comment
  CHSC50408  Acmispon grandiflorus var. macranthus Vernon Oswald; Lowell Ahart 1990-6-27 4324 Butte Jordan Creek-Marble Creek Rd (23N60) near Spoon Ravine, east side of Oro-Quincy Hwy, ca. 0.5 mi (air) north-northeast of Junction House (site). 1097 Comment
  CHSC65556  Acmispon grandiflorus var. macranthus L. P. Janeway 1995-6-20 4803 Butte Watson Ridge; about 1 mi south of Pompys Point. 1188 Comment
  CHSC93103  Acmispon grandiflorus var. macranthus L. P. Janeway 1994-5-26 4653 Butte Northern High Sierra Nevada. East end of Watson Ridge, along Road 21N92 about 0.4 mi south of Road 21N24. Southeast-facing low road cutbank. 1226 Comment
  CHSC85742  Acmispon nevadensis var. nevadensis G. F. Hrusa; T. D. Wilfred 1996-7-9 13165 Butte Sierra Nevada-Plumas National Forest. On USFS 22N80 overlooking drainages of Marble Creek and Jordan ck to N. [Lat./Long. on label is '39 degrees 46' N; 121 degrees 17' W']. 1300 Comment
  CAS-BOT-BC69659  Adiantum aleuticum Lowell Ahart 1980-9-10 2635 Butte 3 mi. ne. of Milsap Bar. 1100 Comment
  CHSC28878  Adiantum capillus-veneris M. S. Taylor 1979-5-4 1983 Butte Millsap Bar campground, ca. 9 mi ne of jct of Millsap Bar Rd with Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CHSC30851  Adiantum capillus-veneris L. Ahart 1980-9-10 2628 Butte Ca. 1 mi ne of Millsap Bar, ca. 25 mi ne of Oroville. 900 Comment
  CHSC39549  Adiantum capillus-veneris Lowell Ahart 1983-7-29 4236 Butte About 1/2 mile east of Milsap Bar, about 25 miles north-east of Oroville. 500 Comment
  UC1499973  Adiantum capillus-veneris Lowell Ahart 1983-7-29 4236 Butte ca. 25 mi ne Oroville (ca. 1/2 mi e of Milsap Bar) 500 Comment
  CAS-BOT-BC65616  Adiantum jordanii Lowell Ahart 1980-9-10 2628 Butte 1 mile north-east of Milsap Bar 900 Comment
  CAS-BOT-BC65618  Adiantum jordanii Lowell Ahart 1983-7-29 4236 Butte about 1/2 mile east of Milsap Bar, about 25 miles north-east of Oroville 500 Comment
  CDA13312  Agrostis exarata G. F. Hrusa, T. D. Wilfred 1996-7-9 13158 Butte Sierra Nevada; Shaded banks on E side of bridge over Marble Creek along USFS N60. Occasional, perennial. Comment
  CDA13330  Agrostis exarata var. monolepis G. F. Hrusa, T. D. Wilfred 1996-7-9 13176 Butte Sierra Nevada; Slightly moist shade on roadside of 22N89 approx. 0.3 m from intersection with Hwy 162. Perennial. Comment
  JEPS98495  Agrostis pallens Lowell Ahart 2000-6-27 8517 Butte Big Bald Rock, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville. 993 Comment
  CAS-BOT-BC138776  Agrostis scabra Lowell Ahart 1983-7-29 4220 Butte Sierra Nevada. Along the dirt road, ca. 2 miles south of Milsap Bar, ca. 23 miles northeast of Oroville. 750 Comment
  CDA13331  Agrostis scabra G. F. Hrusa, T. D. Wilfred 1996-7-9 13177 Butte Sierra Nevada; Dry, open woods of Ponderosa pine approx. 0.4 m from Hwy 162 on 22N89. Perennial. Uncommon here. Comment
  CHSC39287  Agrostis scabra Lowell Ahart 1983-7-29 4220 Butte About 2 miles south of Milsap Bar, about 23 miles north-east of Oroville. 750 Comment
  UCR115082  Agrostis scabra G. Fred Hrusa, T. D. Wilfred 1996-7-9 13177 Butte Sierra Nevada Mtns., Plumas National Forest. c. 0.4 mi from Hwy 162 on 22N89 1200 Comment
  CHSC39983  Agrostis viridis L. Ahart; P. Ahart 1983-7-29 4237 Butte Ca. 0.5 mi e of Milsap Bar, ca. 25 mi ne of Oroville. 500 Comment
  CHSC41910  Agrostis viridis Lowell Ahart 1983-7-29 4237 Butte About 1/2 mile east of Milsap Bar, about 25 miles north-east of Oroville. 500 Comment
  CDA13302  Allium membranaceum G. F. Hrusa, T. D. Wilfred 1996-7-9 13150 Butte Plumas National Forest; Above USFS N60 near Marble Creek Bridge. E of Rogers Cow Camp. Comment
  CHSC74029  Allium membranaceum B. Castro; Plumas NF botanists 1997-6-13 743 A Butte Mtn. House Proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. 1082 Comment
  CHSC35097  Allophyllum divaricatum R. A. Schlising 1981-6-13 4082 Butte Near Brush Creek, on Milsap Bar Road, 3.3 mi S of its junction with Bald Rock Road. Roadside bank. Comment
  CHSC39975  Allophyllum divaricatum L. Ahart; P. Ahart 1983-7-29 4258 Butte Ca. 3 mi e of Milsap Bar, ca. 25 mi ne of Oroville. Along edge of dirt road. 1100 Comment
  CDA31535  Andropogon virginicus var. virginicus L. Ahart 2000-9-27 8693 Butte On the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 1 1/4 miles (air) northeast of Big Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. Comment
  JEPS98544  Andropogon virginicus var. virginicus Lowell Ahart 2000-9-27 8693 Butte About 1/4 mile southeast of Little Bald Rock, about 1 1/4 miles (air) northeast of Big Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. 1066 Comment
  JEPS98685  Andropogon virginicus var. virginicus Lowell Ahart 2000-9-27 8693 Butte About 1/4 mile southeast of Little Bald Rock, about 1 1/4 miles (air) northeast of Big Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. 1066 Comment
  CDA13338  Angelica breweri G. F. Hrusa, T. D. Wilfred 1996-7-9 13184 Butte Sierra Nevada; on USFS 22N89 approx. 0.3 m. from intersection of Hwy 162. Sheet 1 of 2 Comment
  CDA40897  Angelica breweri G. F. Hrusa, T. D. Wilfred 1996-7-9 13184 Butte Sierra Nevada; on USFS 22N89 approx. 0.3 m. from intersection of Hwy 162. Sheet 2 of 2 Comment
  CHSC42125  Aphyllon purpureum Lowell Ahart 1980-5-29 2359 Butte On rock slides along the road south of Jordan Creek, about 2 1/2 miles north-east of the Oroville Quincy Highway, about 5 miles north-east of Mountain House. 1005 Comment
  CHSC52189  Aquilegia formosa var. truncata Kirsten Tarp 1983-7-22 296 Butte Ca. 2.0 mi. E of Brush Creek near Indian Creek. 856 Comment
  CHSC52193  Aquilegia formosa var. truncata Kirsten Tarp 1983-7-22 297 Butte E part of county, near Milsap Bar. 548 Comment
  CHSC52681  Aquilegia formosa var. truncata Kirsten Tarp 1983-7-25 303 Butte E part of county, near Milsap Bar. 640 Comment
  CDA31420  Aristida dichotoma L. Ahart, Vernon Oswald 2000-8-5 8624 Butte Above seeps on bare granite, on the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville Comment
  CDA31421  Aristida dichotoma L. Ahart, Vernon Oswald 2000-8-5 8623 Butte Big Bald Rock, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville. Comment
  JEPS98293  Aristida dichotoma Lowell Ahart 2000-6-27 8519 Butte Big Bald Rock, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville. 993 Comment
  JEPS98535  Aristida dichotoma Lowell Ahart 2000-8-5 8624 Butte Above seeps on bare granite, on the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. 1066 Comment
  JEPS98536  Aristida dichotoma Lowell Ahart 2000-8-5 8623 Butte Big Bald Rock, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville. 993 Comment
  JEPS98687  Aristida dichotoma Lowell Ahart 2000-8-5 8624 Butte Above seeps on bare granite, on the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. 1066 Comment
  CDA31488  Aristida oligantha L. Ahart 2000-9-27 8692 Butte On the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 1 1/4 miles (air) northeast of Big Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. Comment
  JEPS98523  Aristida oligantha Lowell Ahart 2000-9-17 8692 Butte About 1/4 mile southeast of Little Bald Rock, about 1 1/4 miles (air) northeast of Big Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. 1066 Comment
  CHSC70786  Arnica dealbata B. Castro; L. Gehrung 1995-7-14 584 Plumas Ca 8 air mi SW of Bucks Lake, ca 0.3 mi W of Kellogg Ravine, along edges of USFS Rd 22N29. 1493 Comment
  CHSC65534  Arnica discoidea L. P. Janeway 1995-6-20 4802 Butte Watson Ridge; about 1 mi south of Pompys Point. 1188 Comment
  CHSC70781  Arnica discoidea B. Castro; L. Gehrung 1995-7-14 585 Plumas Ca 8 air mi SW of Bucks Lake, ca 0.3 mi W of Kellogg Ravine, along W edge of USFS Rd 22N29. 1493 Comment
  CHSC44033  Artemisia tridentata subsp. tridentata F. Jay Fuller 1988-6-17 520 Butte Approx. 50 m southwest of bridge over Marble Creek. 1072 Comment
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Feb 14 2007
  CHSC84211  Athyrium filix-femina var. cyclosorum Lowell Ahart 2003-7-12 10377 Butte Along a small stream, on the west side of Milsap Bar Road, about 2 1/2 miles (air) east of the Brush Creek Work Center, about 17 miles (air) northeast of Oroville. 1036 Comment
  JEPS104162  Athyrium filix-femina var. cyclosorum Lowell Ahart 2003-7-12 10377 Butte Along a small stream, on the w side of Milsap Bar Rd, ca 2 1/2 mi (air) e of the Brush Creek Work Center, ca 17 mi (air) ne of Oroville. 1036 Comment
  CHSC38021  Boechera breweri R. E. Preston 1981-6-13 87 Butte S side of canyon, middle fork of Feather River at Milsap Bar, ca. 20.5 mi NE of Oroville. 609 Comment
  UCD114357  Boechera breweri R. E. Preston 1981-6-13 87 Butte S side of canyon of Middle Fork of Feather River, near Milsap Bar; ca. 20.5 mi NE of Oroville. 609 Comment
  CDA13271  Boykinia major G. F. Hrusa, T. D. Wilfred 1996-7-9 13119 Butte Plumas National Forest; Jordan Creek, above falls before confluence with Marble Creek. Comment
  CAS-BOT-BC106320  Brickellia californica Lowell Ahart 1980-9-10 2631 Butte 1 mile north-east of Milsap Bar - Sierra Nevada 900 Comment
  CHSC31443  Brickellia californica Lowell Ahart 1980-9-10 2631 Butte Ca. 1 mi NE of Millsap Bar, ca 25 mi NE of Oroville. 900 Comment
  CDA13294  Bromus ciliatus G. F. Hrusa, T. D. Wilfred 1996-7-9 13142 Butte Plumas National Forest; Above Jordan Creek S of Hwy 162 near Roger's Cow Camp. Comment
  UC1131166  Bromus diandrus G. T. Nordstrom 1934-7-10 213 Plumas 2 1/2 mi sw of Gravel Range; Plumas National Forest 1493 Comment
  CHSC74153  Bromus laevipes B. Castro; E. Hubert 1996-7-16 685 Butte Black Jack Fire. Ca 5 air mi N of Brush Creek, ca 0.4 mi S of Rogers Cow Camp on slope of recently burned area at edge of forest. Near drainage. 1158 Comment
  UC1131201  Bromus madritensis subsp. rubens G. T. Nordstrom 1934-7-10 212 Plumas 2 1/2 mi sw of Gravel Range (Plumas National Forest); Plumas National Forest 1493 Comment
  CHSC73881  Bromus orcuttianus B. Castro 1997-6-13 741 Butte Mtn. House Proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. 1082 Comment
  CAS-BOT-BC161617  Bromus sterilis Lowell Ahart 1983-7-29 4238 Butte Sierra Nevada. Along the edge of the dirt road, ca. 0.5 mile east of Milsazp Bar, ca. 25 miles northeast of Oroville. 500 Comment
  CDA13291  Bromus suksdorfii G. F. Hrusa, T. D. Wilfred 1996-7-9 13139 Butte Plumas National Forest; Occasional individuals on dry, shaded slopes in coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp. Comment
  UCR115097  Bromus suksdorfii G. Fred Hrusa, T. D. Wilfred 1996-7-9 13139 Butte Sierra Nevada Mtns., Plumas National Forest. Above Jordan Creek, south of Hwy 162 near Roger's Cow Camp 1250 Comment
  JEPS98586  Bulbostylis capillaris Lowell Ahart 2000-6-27 8513 Butte Big Bald Rock, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville. 993 Comment
  RSA168723  Calycanthus occidentalis R. M. Straw 1962-6-26 2194 Butte Canyon of Middle Fork of the Feather River near Millsaps Bar. [Milsap Bar] 305 Comment
  CDA13318  Calyptridium monospermum G. F. Hrusa, T. D. Wilfred 1996-7-9 13164 Butte Sierra Nevada; USFS 22N80 overlooking drainages of Marble Creek and Jordan Ck to N. Comment
  CHSC39298  Calyptridium monospermum Lowell Ahart 1983-7-29 4247 Butte Along the edge of the dirt road, about 2 miles east of Milsap Bar, about 25 miles north-east of Oroville. 900 Comment
  CDA13284  Calystegia occidentalis subsp. occidentalis G. F. Hrusa, T. D. Wilfred 1996-7-9 13132 Butte Plumas National Forest; E side above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13314  Calystegia occidentalis subsp. occidentalis G. F. Hrusa, T. D. Wilfred 1996-7-9 13160 Butte Sierra Nevada; USFS N60 approx. 0.4 m E of bridge over Marble Creek. Comment
  JEPS11847  Campanula prenanthoides Duncan Dunning 1921-8-25 Butte Merrimac Comment
  CDA13290  Carex amplifolia G. F. Hrusa, T. D. Wilfred 1996-7-9 13138 Butte Plumas National Forest; Dense colony on shaded wet bank of Jordan Creek, above waterfall nr. confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC76320  Carex amplifolia G. F. Hrusa; T. D. Wilfred 1996-7-9 13138 Butte On bank of Jordan Creek, above waterfall nr. Confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. [Original Lat./Long. on label is '39 46 N; 121 17 W']. 1175 Comment
  CAS-BOT-BC32152  Carex multicaulis Lowell Ahart 1980-5-29 2361 Butte 2.5 mi NE of Mountain House. 1100 Comment
  CDA13295  Carex stipata var. stipata G. F. Hrusa, T. D. Wilfred 1996-7-9 13143 Butte Plumas National Forest; Jordan Creek, above waterfall nr. confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC76325  Carex stipata var. stipata G. F. Hrusa; T. D. Wilfred 1996-7-9 13143 Butte Northern California; Plumas National Forest. On shaded wet bank of Jordan Creek, above waterfall nr. confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. [Original Lat./Long. on label is '39 51 N; 121 34 W']. 1175 Comment
  CDA13292  Carex subfusca G. F. Hrusa, T. D. Wilfred 1996-7-9 13140 Butte Plumas National Forest; Jordan Creek, above waterfall nr. confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13281  Castilleja applegatei subsp. pinetorum G. F. Hrusa, T. D. Wilfred 1996-7-9 13129 Butte Plumas National Forest; W side above Jordan Creek. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13307  Castilleja applegatei subsp. pinetorum G. F. Hrusa, T. D. Wilfred 1996-7-9 13153 Butte Sierra Nevada; E side of bridge over Marble Creek on USFS N60. Comment
  CAS-BOT-BC50767  Ceanothus integerrimus Duncan Dunning 1921-8-25 36366 Plumas Merrimac 1524 Comment
  CHSC31437  Ceanothus integerrimus var. californicus L. Ahart 1980-9-10 2645 Butte Along edge of rd ca. 7 mi e of Millsap Bar, ca. 32 mi ne of Oroville. 1200 Comment
  CHSC97333  Centaurea solstitialis L. P. Janeway 2007-7-30 9147 Butte Northern High Sierra Nevada. Plumas National Forest; mid-slope of Mountain Spring House Ridge above South Branch Feather River, along the road to Milsap Bar. 1204 Comment
  JEPS98615  Centaurium venustum Lowell Ahart 2000-6-27 8509 Butte Big Bald Rock, about 3 miles (air) east of madrone Lake, about 12 miles (air) northeast of Oroville. 993 Comment
  CDA13342  Cephalanthera austiniae G. F. Hrusa, T. D. Wilfred 1996-7-9 13190 Butte Sierra Nevada; Above spring on 23N15, approx. 100 m to S of Hwy 162 across from entrance to Rogers Cow Camp. Comment
  CHSC46537  Cephalanthera austiniae Lowell Ahart 1976-7-7 1168 Plumas About 2 miles south-west of Cold Water Creek, about 6 miles south-west of Grizzly Mountain. 1524 Comment
  CHSC43698  Chamerion angustifolium subsp. circumvagum Vernon Oswald 1985-7-30 1914 Butte Oroville-Quincy Hwy 8.0 mi nne of Brush Creek at Merrimac site. On the edge of a stream. 1219 Comment
  CHSC28882  Cheilanthes cooperae M. S. Taylor 1979-5-4 1990 Butte In Millsap Bar Campground, ca. 9 mi ne of jct with Millsap Bar Rd and Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CDA13321  Cheilanthes gracillima G. F. Hrusa, T. D. Wilfred 1996-7-9 13167 Butte Sierra Nevada; approx. 0.5 m. E of bridge over Marble Creek on USFS N60. Comment
  JEPS98298  Cheilanthes gracillima Lowell Ahart 2000-6-27 8518 Butte Around large granite rocks, Big Bald Rock, about 3 miles (air) east of madrone Lake, about 12 miles (air) northeast of Oroville. 993 Comment
  CDA13278  Chimaphila umbellata G. F. Hrusa, T. D. Wilfred 1996-7-9 13126 Butte Plumas National Forest; on N ridge above Jordan Creek. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13340  Circaea alpina subsp. pacifica G. F. Hrusa, T. D. Wilfred 1996-7-9 13188 Butte Sierra Nevada; on USFS 23N15, approx. 100 meters to S of Hwy 162 across from entrance to Rogers Cow Camp. Comment
  CHSC39049  Cirsium occidentale var. candidissimum Lowell Ahart 1983-7-29 4242 Butte About 1 mi e of Milsap Bar, about 25 mi ne of Oroville. 750 Comment
  SEINET9349101  Clarkia mildrediae Unknown 1996-7-9 13174 Butte Plumas National Forest Comment
  SEINET9361570  Clarkia mildrediae Unknown 1996-7-9 13161 Butte Butte County Comment
  UCD104577  Clarkia mildrediae G. F. Hrusa; T. D. Wilfred 1996-7-9 13186 Butte Sierra Nevada. Plumas National Forest. Immed. S of Rogers Cow Camp on Highway 162. 1150 Comment
  UCD104578  Clarkia mildrediae B. Castro; Robin Fallscheer 1989-7-13 321 Butte Ca. 4.5 road miles NE of Brush Creek, ca. 0.2 mile SW of Junction House, on NW-facing road cut on SE side of the Oro-Quincy Highway ca 0.6-0.7 mile S of its junction with USFS Road 23N60. 990 Comment
  UCR148890  Clarkia mildrediae G. Fred Hrusa, T. D. Wilfred 1996-7-9 13169 Butte Sierra Nevada - Plumas National Forest, c. 1 m. on 22N89; immediately south of Rogers Cow Camp on Hwy 162 335 Comment
  CAS-BOT-BC163263  Clarkia mildrediae subsp. lutescens Lowell Ahart 1983-7-29 4248 Butte About 2 miles east of Milsap Bar, about 25 miles north-east of Oroville 1000 Comment
  CDA13315  Clarkia mildrediae subsp. lutescens G. F. Hrusa, T. D. Wilfred 1996-7-9 13161 Butte Sierra Nevada; USFS N60 approx. immed. E of bridge over Marble Creek. Comment
  CDA13328  Clarkia mildrediae subsp. lutescens G. F. Hrusa, T. D. Wilfred 1996-7-9 13174 Butte Sierra Nevada; Near intersection of 22N89 and Hwy 162. Approx. 0.2 m. on 22N89. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CDA13339  Clarkia mildrediae subsp. lutescens G. F. Hrusa, T. D. Wilfred 1996-7-9 13186 Butte Sierra Nevada; Approx. 0.5 m. on USFS 22N89. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CHSC28923  Clarkia mildrediae subsp. lutescens L. Hanson 1979-7-23 57 Plumas On Little North Fork Rd, along edge. Comment
  CHSC39035  Clarkia mildrediae subsp. lutescens Lowell Ahart 1983-7-29 4248 Butte About 25 miles north-east of Oroville and 2 miles east of Milsap Bar on Middle Fork of the Feather River; at roadside. 1000 Comment
  CHSC39036  Clarkia mildrediae subsp. lutescens R. A. Schlising; K. Tarp 1983-7-22 4429 Butte E part of county, SE of Brush Creek on Milsap Bar Road, at crossing of Indian Creek; roadside. 853 Comment
  CHSC63970  Clarkia mildrediae subsp. lutescens B. Castro; Robin Fallscheer 1989-7-13 321 Butte Ca 4.5 road mi NE of Brush Creek, ca 0.2 mi SW of Junction House, on NW-facing road cut on SE side of the Oro-Quincy Hwy ca 0.6-0.7 mi S of its jcn with USFS Rd 23N60. 990 Comment
  CHSC71152  Clarkia mildrediae subsp. lutescens L. P. Janeway; B. Castro 1994-7-8 4686 Butte 0.7 mi south of South Branch Middle Fork Feather River; 1 mi west-southwest of the mouth of Cascade Creek. Road cutbank. 1234 Comment
  CHSC71155  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-13 4694 Plumas Southeast side of Little Bear Gulch; along Road 22N30 0.25 mi west of Sky High Road (Road 22N29). Road cutbank. 1447 Comment
  CHSC73800  Clarkia mildrediae subsp. lutescens Ann Willyard 1997-7-16 Butte Ca 1 air mi SSW of Deer Park site on Rock Island Ridge, at E edge of USFS Rd 23N60 as it parallels Marble Creek, ca 0.7 air mi N of its confluence with Little North Fork Feather River. On roadcut. 1115 Comment
  CHSC73801  Clarkia mildrediae subsp. lutescens Ann Willyard 1997-7-16 Butte Ca 1.5 air mi S of Deer Park site on Rock Island Ridge, at E edge of USFS Rd 23N60 as it parallels Marble Creek, ca 0.5 air mi NE of its confluence with Little North Fork Feather River. On SW-facing roadcut ca 0.2 mi N of hairpin curve in road. 1143 Comment
  CHSC88628  Clarkia mildrediae subsp. lutescens Linnea Hanson 1983-8-3 207 Butte Plumas National Forest. Little North Fork Road. 1219 Comment
  UC1732066  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-13 4694 Plumas Little Bear Gulch, SE side, along Road 22N30 0.25 mi W of Sky High Road (Road 22N29) 1447 Comment
  CDA13323  Clarkia mildrediae subsp. mildrediae G. F. Hrusa, T. D. Wilfred 1996-7-9 13169 Butte Sierra Nevada; Approx. 1 m. on 22N89. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  RSA671128  Clarkia mildrediae subsp. mildrediae G. Fred Hrusa, T. D. Wilfred 1995-7-9 13169 Butte Approx. 1 m. on 22N89, immediately S of Rogers Cow Camp on Hwy 162. 1100 Comment
  CHSC64111  Clarkia mosquinii L. P. Janeway 1994-7-7 4685 Butte Along Rd 23N60 0.9 mi east of Oroville-Quincy Hwy; south end of ridge above Little North Fork between Marble Creek and Spoon Ravine. 1127 Comment
  CHSC65577  Clarkia mosquinii L. P. Janeway 1995-7-15 4857 Butte South side of Watson Ridge about 2.2 mi east-northeast of its western end, and 1.1 mi south of Pompys Point. 1115 Comment
  CHSC74102  Clarkia mosquinii B. Castro; L. Gehrung 1998-8-19 822 Butte Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, 100-300 ft W of Oro-Quincy Hwy on SE-facing side of SW-trending ridge E of Get-Up-and-Get Creek. 1210 Comment
  UC1606713  Clarkia mosquinii subsp. mosquinii L. P. Janeway 1995-7-15 4857 Butte 1.1 mi s of Pompys Point (s side of Watson Ridge about 2.2 mi ene of its western end); Watson Ridge 1115 Comment
  CHSC70750  Clarkia rhomboidea L. P. Janeway 1993-6-23 4399 Butte Along Rd 22N49 about 0.1 mi west of Oroville-Quincy Hwy, 1.0 mi southwest of Junction House. 1005 Comment
  CHSC86953  Clarkia rhomboidea L. P. Janeway; B. Castro 2001-6-17 7183 Butte Northern High Sierra Nevada. 5.5 km (air) northeast of Brush Creek; 1.6 km south of Junction House, along Road 22N49 parallel to and 60-100 m west of Oroville-Quincy Hwy. 1000 Comment
  CAS-BOT-BC91346  Clematis lasiantha Lowell Ahart 1974-8-9 s.n. Butte East of Marble Creek. 914 Comment
  CHSC41989  Clematis lasiantha Lowell Ahart 1974-8-7 596 Butte Along the dirt road, about 3 miles east of Marble Creek, near Horseshoe, about 20 miles north-east of Oroville. 914 Comment
  CDA13301  Collinsia tinctoria G. F. Hrusa, T. D. Wilfred 1996-7-9 13149 Butte Plumas National Forest; E end of USFS N60 approx. 0.4 miles E of Marble Creek Bridge. E of Rogers Cow Camp. Comment
  CHSC39299  Collinsia tinctoria Lowell Ahart 1983-7-29 4249 Butte 2 miles east of Milsap Bar, about 25 miles north-east of Oroville. 1000 Comment
  CHSC43513  Collinsia tinctoria Lowell Ahart 1976-7-7 1170 Butte Along the edge of the road to the Little North Fork of the Feather River, about 2 miles north-east of Junction House. 1219 Comment
  CHSC79826  Collinsia tinctoria G. F. Hrusa; T. D. Wilfred 1996-7-9 13149 Butte Plumas National Forest. At E end of USFS N60 approx. 0.4 miles E of Marble Creek Bridge. [Lat./Long. on label is '39 45 N; 121 17 W']. 1100 Comment
  CHSC64452  Collomia grandiflora B. Castro; L. P. Janeway 1994-7-6 524 Butte Ca 4 air mi NE of Feather Falls (the falls), at N edge of USFS Rd 21N92 as it contours around S-facing head of drainage basin. 1188 Comment
  CHSC93069  Collomia heterophylla L. P. Janeway 1994-5-26 4654 Butte Northern High Sierra Nevada. East end of Watson Ridge, along Road 21N92 about 0.4 mi south of Road 21N24. Southeast-facing low road cutbank. 1226 Comment
  JEPS108549  Collomia heterophylla L. P. Janeway 1994-5-26 4654 Butte Northern High Sierra Nevada. East end of Watson Ridge, along Road 21N92 about 0.4 mi south of Road 21N24. Southeast-facing low road cutbank 1226 Comment
  CDA13289  Corallorhiza maculata G. F. Hrusa, T. D. Wilfred 1996-7-9 13137 Butte Plumas National Forest; E of Jordan Creek near headwaters, S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13343  Corallorhiza maculata G. F. Hrusa, T. D. Wilfred 1996-7-9 13191 Butte Sierra Nevada; Above spring on 23N15, approx. 100 m to S of Hwy 162 across from entrance to Rogers Cow Camp. Comment
  CHSC65539  Cordylanthus tenuis subsp. tenuis L. P. Janeway 1995-7-28 4880 Butte South side of Watson Ridge 1.2 mi south of Pompys Point; just above Road 21N25A. 1152 Comment
  CHSC35060  Cryptantha intermedia R. A. Schlising 1981-6-13 4081 Butte E part of county, along Milsap Bar Road, 2.7 miles S of its junction with Bald Rock Road near Brush Creek. 975 Comment
  CHSC55056  Cuscuta subinclusa Lowell Ahart 1991-8-25 6706 Butte North side of the dirt road, Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), east of Oroville-Quincy Hwy, about 5 miles (air) north-east of Brush Creek. 1097 Comment
  UC1586409  Cuscuta subinclusa Lowell Ahart 1991-8-25 6706 Butte about 4 air mi ne Brush Creek (e of Oroville-Quincy Hwy, on the n side of the dirt road, Forest Rd 23N60 (Jordan Creek-Marble Creek Rd)) 1097 Comment
  CDA13306  Cystopteris fragilis G. F. Hrusa, T. D. Wilfred 1996-7-9 13152 Butte Sierra Nevada; on E side of bridge over Marble Creek on USFS N60. Comment
  CHSC28889  Cystopteris fragilis M. S. Taylor 1979-5-4 1998 Butte Along Millsap Bar Rd, ca. 4 mi ne of its jct with Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CHSC46168  Cystopteris fragilis Lowell Ahart 1973-5-31 250 Plumas Near the Little North Fork of the Feather River. 1066 Comment
  CAS-BOT-BC8794  Delphinium gracilentum Lowell Ahart 1980-5-29 2356 Butte 5 miles north-east of Mountain House 1100 Comment
  CHSC93081  Delphinium gracilentum L. P. Janeway 1994-5-13 4646 Butte Northern High Sierra Nevada. 0.7 mi north of Nelsons Crossing (Fall River) and 1.0 mi west of Kenebeck Ridge. 1127 Comment
  JEPS108547  Delphinium gracilentum L. P. Janeway 1994-5-13 4646 Butte Northern High Sierra Nevada. 0.7 mi north of Nelsons Crossing (Fall River) and 1.0 mi west of Kenebeck Ridge 1127 Comment
  CHSC56773  Delphinium patens M. S. Taylor 1979-5-4 1985 Butte Millsap Bar Campground, ca. 9 mi ne of jct of Millsap Bar Rd and Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CAS-BOT-BC201738  Deschampsia elongata Lowell Ahart 1980-9-10 2639 Butte 5 miles east of Milsap Bar 1200 Comment
  CHSC31446  Deschampsia elongata L. Ahart 1980-9-10 2639 Butte Along the edge of the road, ca. 5 mi e of Millsap Bar, ca. 30 mi ne of Oroville. 1200 Comment
  CHSC86952  Dianthus armeria subsp. armeria L. P. Janeway; B. Castro 2001-6-17 7184 Butte Northern High Sierra Nevada. 5.5 km (air) northeast of Brush Creek; 1.6 km south of Junction House, along Road 22N49 parallel to and 60-100 m west of Oroville-Quincy Hwy. 1000 Comment
  JEPS105645  Dianthus armeria subsp. armeria L. P. Janeway, B. Castro 2001-6-17 7184 Butte Northern High Sierra Nevada. 5.5 km (air) northeast of Brush Creek; 1.6 km south of Junction House, along Road 22N49 parallel to and 60-100 m west of Oroville-Quincy Hwy 1000 Comment
  CHSC4594  Dicentra formosa C. Glascock 1965-6-12 434 Butte Ca. 34 mi. ne of Oroville on the Old Quincy Rd; ca. 50 yds n of road. Comment
  JEPS98294  Dichanthelium acuminatum subsp. fasciculatum Lowell Ahart 2000-6-27 8514 Butte Big Bald Rock, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville. 993 Comment
  CAS-BOT-BC150498  Diplacus grandiflorus Lowell Ahart 1983-7-29 4230 Butte About 1/4 mile west of Milsap Bar, about 25 miles north-east of Oroville 500 Comment
  CHSC70816  Diplacus mephiticus B. Castro 1995-7-3 580 Plumas Ca 1 air mi N of Middle Fork Feather River, ca 1/2 mi W of Little Marble Cone, W of S end of 'B' spur off USFS Rd 22N29, W of old Kellogg fire lookout. 1463 Comment
  CHSC90304  Disporum hookeri L. P. Janeway 1994-7-19 4695 Butte Northern High Sierra Nevada. Northeast side of Watson Ridge, about 0.5 mi south of South Branch Middle Fork Feather River, 1.6 mi east of Pompys Point. 1249 Comment
  JEPS108156  Disporum hookeri L. P. Janeway 1994-7-19 4695 Butte Northern High Sierra Nevada. Northeast side of Watson Ridge, about 0.5 mi south of South Branch Middle Fork Feather River, 1.6 mi east of Pompys Point 1249 Comment
  CHSC84243  Draperia systyla Lowell Ahart 2003-7-12 10376 Butte Near a small stream, on the west side of Milsap Bar Road, about 2 1/2 miles (air) east of the Brush Creek Work Center, about 17 miles (air) northeast of Oroville. 1036 Comment
  JEPS104415  Draperia systyla Lowell Ahart 2003-7-12 10376 Butte Near a small stream, on the west side of Milsap Bar Road, ca 2 1/2 miles (air) east of the Brush Creek Work Center, ca 17 miles (air) northeast of Oroville. 1036 Comment
  SEINET13709887  Draperia systyla Lowell William Ahart, Lowell William Ahart 2003-1 10376 Butte 17 Mi. NE of Oroville, 2.5 Mi. E of Brush Creek Work Ctr. (39 Deg 41'28.3"N, 121 Deg 17'29.3"W) 3400 Ft. 1036 Comment
  CAS-BOT-BC70857  Dryopteris arguta Lowell Ahart 1980-9-10 2632 Butte 1 mile northeast of Milsap Bar 900 Comment
  CHSC84219  Dryopteris arguta Lowell Ahart 2003-7-12 10375 Butte On the sides of a wash, on the west side of Milsap Bar Road, about 1/8 mile south of the bridge across the North Fork of the Feather River, about 4 miles (air) northeast of the Brush Creek Work Center, about 20 miles (air) northeast of Oroville. 997 Comment
  JEPS104154  Dryopteris arguta Lowell Ahart 2003-7-12 10375 Butte On the sides of a wash, on the w side of Milsap Bar Rd, ca 1/8 mi south of the bridge across the North Fork of the Feather River, ca 4 mi (air) ne of the Brush Creek Work Center, ca 20 mi (air) ne of Oroville. 997 Comment
  JEPS98613  Eleocharis quinqueflora Lowell Ahart 2000-6-27 8530 Butte Seeps, on the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. 1066 Comment
  JEPS98724  Eleocharis quinqueflora Lowell Ahart 2000-6-27 8530 Butte Seeps, on the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. 1066 Comment
  CDA13316  Elymus stebbinsii G. F. Hrusa, T. D. Wilfred 1996-7-9 13162 Butte Sierra Nevada; Dry, sunny, sandy bank on USFS N60 approx. immed. E of bridge over Marble Creek. Steep, dry rocky area, slopes near vertical. Perennial, uncommon here. Comment
  UCD62618  Elymus stebbinsii subsp. septentrionalis G. F. Hrusa; T. D. Wilfred 1996-7-9 13162 Butte On USFS N60 approx. immed. E of bridge over Marble Creek. Plumas National Forest. 1150 Comment
  CHSC85741  Elymus trachycaulus subsp. subsecundus G. F. Hrusa; T. D. Wilfred 1996-7-9 13162 Butte Sierra Nevada-Plumas National Forest. Bank on USFS N60 approx. immed. E of bridge over Marble Creek. [Lat./Long. on label is '39 degrees 46' N; 121 degrees 17' W']. 1150 Comment
  CAS-BOT-BC166845  Epilobium canum subsp. latifolium Lowell Ahart 1980-9-10 2627 Butte 1 mile north-east of Milsap Bar 900 Comment
  CHSC30857  Epilobium canum subsp. latifolium L. Ahart 1980-9-10 2627 Butte Along the rd ca. 1 mi ne of Millsap Bar, ca. 25 mi ne of Oroville, near the Middle Fork of the Feather River. 900 Comment
  CHSC54442  Epilobium glaberrimum Vernon H. Oswald; Lowell Ahart 1991-7-15 4738 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Marble Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. Just upstream from the bridge. 1051 Comment
  UC1586476  Epilobium glaberrimum subsp. glaberrimum Vernon H. Oswald and Lowell Ahart 1991-7-15 4738 Butte Forest Road 23N60 (Jordan Creek-Marble Creek Rd) at creek Marble Creek (e of Oroville-Quincy Hwy, ca 5.75 air mi ne of Brush Creek, e side of creek just upstream from bridge) 1051 Comment
  UCD98088  Eremogone aculeata Lowell Ahart 1980-5-29 2362 Butte just a little ways east of the Oroville Quincy Highway, about 2.5 miles northeast of Mountain House. 1005 Comment
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Jul 8 2014
  CHSC29982  Eremogone cliftonii Lowell Ahart 1980-5-29 2362 Butte 2.5 miles NE of Mountain House, short distance from Oroville-Quincy Highway. Along edge of dirt road. 1100 Comment
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Jul 8 2014
  CHSC30859  Eremogone cliftonii L. Ahart 1980-9-10 2636 Butte Along the edge of the road, ca. 3 mi ne of Millsap Bar, ca. 27 mi ne of Oroville. 1100 Comment
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Jul 8 2014
  CHSC39297  Eremogone cliftonii Lowell Ahart 1983-7-29 4246 Butte Near the edges of a dirt road, about 2 miles east of Milsap Bar, about 25 miles north-east of Oroville. 900 Comment
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Jul 8 2014
  CHSC70792  Eremogone cliftonii B. Castro 1995-7-3 579 Plumas Plumas and Butte County. Ca 1 air mi N of Middle Fork Feather River, ca 1/2 mi W of Little Marble Cone, W of S end of 'B' spur off USFS Rd 22N29, W of old Kellogg fire lookout. 1463 Comment
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Jul 8 2014
  CHSC92520  Eremogone cliftonii Samantha Mackey Hillaire; Matt Brown 2005-6-20 1218 Butte South of Middle Fork of Feather River. Along road 22N62. On the east side of the canyon. UTM 10 S 650834,4397612. 859 Comment
  CHSC92524  Eremogone cliftonii Samantha Mackey Hillaire; Matt Brown 2005-6-10 1217 Butte South of Middle Fork Feather River. Generally on the east side of the canyon, along road 22N62. UTM 10 S 650439, 4397298. 950 Comment
  CAS-BOT-BC168361  Eremogone ferrisiae Lowell Ahart 1980-9-10 2636 Butte 3 miles north-east of Milsap Bar - Sierra Nevada 1100 Comment
  CAS-BOT-BC168362  Eremogone ferrisiae Lowell Ahart 1980-5-29 2362 Butte 2 1/2 miles north-east of Mountain House 1100 Comment
  CHSC63955  Erigeron petrophilus var. sierrensis B. Castro; J. Jurewicz 1991-8-1 475 Plumas Along USFS Rd 22N29 down the narrow SW-trending ridge from Arkansas Ravine, and separating Bear Gulch on the W from Pigtail and Hunter's Ravines on the E. 1463 Comment
  CDA13258  Eriogonum nudum var. deductum G. F. Hrusa, T. D. Wilfred 1996-7-9 13109 Butte Plumas National Forest; Nr. headwaters of Jordan Creek, S of Hwy 162 from Roger's Cow Camp. Comment
  CHSC50416  Eriogonum nudum var. pubiflorum Vernon Oswald; Lowell Ahart 1990-6-27 4337 Butte Jordan Creek-Marble Creek Rd (23N60) between Spoon Ravine and Marble Creek, east side of Oro-Quincy Hwy, ca. 0.5 mi (air) northeast of Junction House (site). On an open roadcut. 1109 Comment
  UC1562313  Eriogonum nudum var. pubiflorum Vernon Oswald and Lowell Ahart 1990-6-27 4337 Butte ca. 0.5 air mi ne Junction House (site) (Jordan Creek-Marble Creek Rd. (23N60) between Spoon Ravine and Marble Creek, e side of Oro-Quincy Hwy.) 1109 Comment
  CHSC70811  Eriogonum ursinum var. ursinum B. Castro 1995-7-3 581 Plumas Label says Butte County also and also NE1/4 of Sec. 30. Ca 1 air mi N of Middle Fork Feather River, ca 1/2 mi W of Little Marble Cone, W of S end of 'B' spur off USFS Rd 22N29, W of old Kellogg fire lookout. 1463 Comment
  CDA13336  Eriophyllum lanatum var. croceum G. F. Hrusa, T. D. Wilfred 1996-7-9 13182 Butte Sierra Nevada; On USFS 22N89 approx. 0.3 m. from intersection of Hwy 162. Comment
  CHSC46817  Eriophyllum lanatum var. croceum R. A. Schlising; F. J. Fuller 1988-6-17 4544 Butte E Butte Co. NE of Brush Creek and Mountain House. 1194 Comment
  CHSC35763  Erysimum capitatum var. capitatum R. E. Preston 1982-6-18 306 Butte On roadcut on e side of Oro-Quincy Hwy; ca. 1.2 mi n of rd to Fourmile Ridge, ca. 3 mi ne of Brush Creek. 1036 Comment
  CHSC54452  Erythranthe guttata Vernon H. Oswald; Lowell Ahart 1991-7-15 4741 Butte Milsap Bar Rd (Forest Rd 22N62), 6.4 miles west of Feather Falls-Little Grass Valley Rd (Forest Rd 22N94), ca 5.5 miles (air) east-northeast of Brush Creek. 845 Comment
  CHSC46833  Euonymus occidentalis R. A. Schlising; F. J. Fuller 1988-6-17 4543 Butte NE of Brush Creek and Mountain House, at Jordan Creek. 1097 Comment
  CDA13267  Euonymus occidentalis var. occidentalis G. F. Hrusa, T. D. Wilfred 1996-7-9 13115 Butte Plumas National Forest; Jordan Creek at old Picnic Area above falls before confluence with Marble Creek. Comment
  CHSC54474  Euonymus occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1991-7-15 4736 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Jordan Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. 1082 Comment
  UC1586472  Euonymus occidentalis var. occidentalis Vernon H. Oswald and Lowell Ahart 1991-7-15 4736 Butte Forest Rd. 23N60 (Jordan Creek-Marble Creek Rd.) at Jordan Creek (e. of Oroville-Quincy Hwy., ca. 5.75 mi. (air) n.e. of Brush Creek) 1082 Comment
  UCD144333  Euonymus occidentalis var. occidentalis G. F. Hrusa; T. D. Wilfred 1996-7-9 13115 Butte Plumas National Forest. On Jordan Creek at old Picnic Area above falls before confluence with Marble Creek. 1175 Comment
  CHSC41170  Festuca californica L. P. Janeway; Gary Benson 1985-7-1 Butte Plumas National Forest; ecos plot 11-123. Slope on west side of Middle Fork Feather River near Milsap Bar. 633 Comment
  CHSC73886  Festuca californica B. Castro 1997-6-13 736 Butte Mtn. House Proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. Along dirt road edges. 1082 Comment
  CHSC50439  Festuca elmeri Vernon Oswald; Lowell Ahart 1990-6-27 4325 Butte Jordan Creek-Marble Creek Rd (23N60) between Spoon Ravine and Marble Creek, east side of Oro-Quincy Hwy, ca. 0.5 mi (air) northeast of Junction House (site). 1109 Comment
  UC1562328  Festuca elmeri Vernon Oswald and Lowell Ahart 1990-6-27 4325 Butte ca 0.5 mi (air) ne Junction House (site) (Jordan Creek-Marble Creek Rd (23N60) between Spoon Ravine and Marble Creek, e side of Oro-Quincy Hwy) 1109 Comment
  CDA13296  Festuca occidentalis G. F. Hrusa, T. D. Wilfred 1996-7-9 13144 Butte Plumas National Forest; Occasional on dry, shaded slopes in coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp. Perennial. Comment
  CHSC107921  Festuca occidentalis L. P. Janeway 2011-7-21 10518 Butte Northern High Sierra Nevada. Plumas National Forest; along Road 23N60 between crossings of Jordan Creek and Marble Creek, 3.1 air km east of Rogers Cow Camp. Mostly along the outer road edge, but also on the cut-bank. 1067 Comment
  CHSC73888  Festuca occidentalis B. Castro 1997-6-13 740 Butte Mountain House proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. 1082 Comment
  CHSC93102  Festuca occidentalis L. P. Janeway 1994-5-13 4645 Butte Northern High Sierra Nevada. 0.7 mi north of Nelsons Crossing (Fall River) and 1.0 mi west of Kenebeck Ridge. 1127 Comment
  CHSC74165  Festuca subulata B. Castro; L. Gehrung 1998-6-23 796 Butte Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, ca 200 ft W of Oro-Quincy Hwy on E side of ridge overlooking Get-Up-and-Get Creek. Ca 100 ft above creek channel. 1213 Comment
  CHSC43057  Fragaria vesca L. P. Janeway 1987-6-5 2151 Butte Upper reach of Carey Gulch where rd 22N89 crosses it 0.5 mi from Oro Quincy Hwy. Edge of road near creek. 1097 Comment
  CAS-BOT-BC130315  Fritillaria eastwoodiae L. C. Hanson 1987-4-15 s.n. Butte Along Milsap Bar Road, Plumas National Forest Comment
  CHSC31421  Galium bolanderi L. Ahart 1980-9-10 2630 Butte Ca. 1 mi NE of Millsap Bar, ca. 25 mi NE of Oroville. 900 Comment
  JEPS98587  Galium parisiense Lowell Ahart 2000-6-27 8524 Butte Seepy area, north part of Big Bald Rock, area is about 100 yards south and west of the north and east forest line, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville. 963 Comment
  CHSC33790  Galium triflorum M. S. Taylor 1981-5-14 3714 Butte N side of Four Mile Ridge-22N33, S of Sly Creek, ca. 1.5 mi NE of Mountain House on Oroville-Quincy Hwy. 853 Comment
  CHSC73819  Galium triflorum B. Castro 1997-6-13 743 Butte Mtn. House Proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. 1066 Comment
  CHSC73415  Gaultheria ovatifolia B. Castro; L. Gehrung 1995-6-20 577 Butte Ca 4 air mi NE of Feather Falls, towards northeastern end of Watson Ridge, in N-trending ravine S of sharp bend in USFS Rd 22N24. 1173 Comment
  CHSC90296  Gaultheria ovatifolia L. P. Janeway 1994-7-19 4696 Butte Northern High Sierra Nevada. South side of Cascade Creek 0.4 mi east of confluence with South Branch Middle Fork Feather River. 1179 Comment
  JEPS108157  Gaultheria ovatifolia L. P. Janeway 1994-7-19 4696 Butte Northern High Sierra Nevada. South side of Cascade Creek 0.4 mi east of confluence with South Branch Middle Fork Feather River 1179 Comment
  RSA715595  Gaultheria ovatifolia L. P. Janeway 1994-7-19 4696 Butte South side of Cascade Creek 0.4 mi east of confluence with South Branch Middle Fork Feather River. 1180 Comment
  CDA13283  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, T. D. Wilfred 1996-7-9 13131 Butte Plumas National Forest; E side above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC39275  Gayophytum heterozygum Lowell Ahart 1983-7-29 4224 Butte Along the edge of the dirt road, about 2 miles south of Milsap Bar, about 23 miles north-east of Oroville. 750 Comment
  CDA13308  Geum macrophyllum G. F. Hrusa, T. D. Wilfred 1996-7-9 13154 Butte Sierra Nevada; Jordan Creek on W side of bridge over Marble Creek on USFS N60. Comment
  CHSC41373  Gilia capitata subsp. mediomontana R. A. Schlising; R. Banchero 1980-7-11 3878 Butte NE part of county near Merrimac; roadsides. 1203 Comment
  CDA13341  Glyceria elata G. F. Hrusa, T. D. Wilfred 1996-7-9 13189 Butte Sierra Nevada; Wet, deeply shaded springline above spring on 23N15, approx. 100 m to S of Hwy 162 across from entrance to Rogers Cow Camp. Individuals to 2 m. tall. Coniferous forest, w/ generally dry understory. Comment
  UCD85124  Glyceria elata G. F. Hrusa; T. D. Wilfred 1996-7-9 13189 Butte Plumas National Forest. On 23N15, approx. 100 m. to S of Hwy 162 across from entrance to Rogers Cow Camp. 1250 Comment
  CHSC65557  Hosackia incana L. P. Janeway 1995-6-20 4804 Butte Watson Ridge; about 1 mi south of Pompys Point. 1188 Comment
  CHSC65558  Hosackia stipularis var. ottleyi L. P. Janeway 1995-6-22 4807 Butte Watson Ridge; about 1.2 mi south of Pompys Point. South side of the ridge, at edge of Road 21N25A. 1097 Comment
  CHSC31156  Hydrophyllum occidentale M. S. Taylor 1979-5-4 1997 A Butte Along Millsap Bar Rd in shady road embankment, ca. 4 mi ne of its jct with Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CHSC65564  Hypericum concinnum L. P. Janeway 1995-6-26 4820 Butte Watson Ridge; about 1.2 mi south of Pompys Point. South side of the ridge, just above Road 21N25A. South-facing slope. 1127 Comment
  CHSC31179  Iris hartwegii subsp. hartwegii M. S. Taylor 1980-5-4 1982 Butte Millsap Bar Campground, ca. 9 mi ne of the jct of Millsap Bar Road with Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CHSC39986  Juncus ensifolius L. Ahart; P. Ahart 1983-7-29 4223 Butte Ca. 2 mi s of Milsap Bar, ca. 23 mi ne of Oroville. Along dirt road. 750 Comment
  RSA325886  Juncus ensifolius L. Ahart, P. Ahart 1983-7-29 4223 Butte Ca. 2 miles S of Milsap Bar, ca. 23 miles NE of Oroville. 750 Comment
  CHSC31444  Juncus tenuis L. Ahart 1980-9-10 2637 Butte Along the edge of the road, ca. 5 mi e of Millsap Bar, ca. 30 mi ne of Oroville. 1200 Comment
  CHSC39271  Juncus tenuis Lowell Ahart 1983-7-29 4219 Butte Found along the dirt road, about 2 miles south of Milsap Bar, about 23 miles northeast of Oroville. 750 Comment
  CHSC89010  Lathyrus latifolius H. Gray 2003-6-3 Butte Plumas National Forest. Milsap Bar Road. 762 Comment
  RSA700396  Lathyrus latifolius H. Gray 2003-6-3 s.n. Butte Millsap Bar Road. Comment
  CAS-BOT-BC213284  Lathyrus sulphureus Lowell Ahart 1983-7-20 4227 Butte About 0.25 mile west of Milsap Bar, about 25 miles northeast of Oroville 500 Comment
  CDA13276  Lathyrus sulphureus G. F. Hrusa, T. D. Wilfred 1996-7-9 13124 Butte Plumas National Forest; Summit of N ridge above Jordan Creek. Nr. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC39292  Lathyrus sulphureus Lowell Ahart 1983-7-29 4227 Butte About 1/4 mile west of Milsap Bar, about 25 miles north-east of Oroville. 500 Comment
  CHSC2429  Leptosiphon ciliatus R. Carter 1965-6-21 251 Butte Found on Oroville-Quincy Rd. at Merrimac, 5.5 mi. N of Mountain House, E 10' from road and S 15' from creek. 1176 Comment
  CDA13325  Leptosiphon filipes G. F. Hrusa, T. D. Wilfred 1996-7-9 13171 Butte Sierra Nevada; Approx. 1 m. on 22N89 and 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CHSC39281  Leptosiphon filipes Lowell Ahart 1983-7-29 4257 Butte Found along the edge of the dirt road, about 3 miles east of Milsap Bar, about 25 miles north-east of Oroville. 1100 Comment
  CDA13279  Ligusticum grayi G. F. Hrusa, T. D. Wilfred 1996-7-9 13127 Butte Plumas National Forest; on N ridge above Jordan Creek. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13268  Lilium washingtonianum var. washingtonianum G. F. Hrusa, T. D. Wilfred 1996-7-9 13116 Butte Plumas National Forest; Slopes above Jordan Creek at old Picnic Area above falls before confluence with Marble Creek. Comment
  SEINET9369866  Linanthus filipes Unknown 1996-7-9 13171 Butte Plumas National Forest Comment
  CDA13285  Linnaea borealis var. longiflora G. F. Hrusa, T. D. Wilfred 1996-7-9 13133 Butte Plumas National Forest; along Jordan Ck, at top of waterfall above confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp Comment
  CHSC90295  Linnaea borealis var. longiflora L. P. Janeway 1994-7-19 4697 Butte Northern High Sierra Nevada. South side of Cascade Creek 0.4 mi east of confluence with South Branch Middle Fork Feather River. 1179 Comment
  UC1594679  Listera convallarioides Lowell Ahart 1992-6-26 6780 Butte about 1/2 mi nw Merrimac (e side of camp); Rogers Cow Camp 1219 Comment
  CHSC70796  Lithocarpus densiflorus var. echinoides B. Castro; L. Gehrung 1995-7-14 586 Plumas Ca 8 air mi SW of Bucks Lake, ca. 0.3 mi W of Kellogg Ravine, near W edge of USFS Rd 22N29. 1493 Comment
  CAS-BOT-BC430879  Lithophragma bolanderi Lowell Ahart 1980-5-29 2357 Butte 5 miles north-east of Mountain House 1100 Comment
  CHSC73410  Lonicera involucrata var. involucrata B. Castro; L. Gehrung 1995-6-20 578 Butte Ca 4 air mi NE of Feather Falls towards northeastern end of Watson Ridge, in moist N-trending ravine (within Mixed Conifer forest) S of sharp bend in USFS Rd 22N24. 1173 Comment
  UC1562314  Lotus grandiflorus var. macranthus Vernon Oswald and Lowell Ahart 1990-6-27 4324 Butte ca 0.5 mi (air) nne Junction House (Jordan Creek-Marble Creek Rd (23N60) near Spoon Ravine, e side of Oro-Quincy Hwy) 1097 Comment
  CDA13324  Lotus nevadensis G. F. Hrusa, T. D. Wilfred 1996-7-9 13170 Butte Sierra Nevada; Approx. 1 mi. on 22N89. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CDA13319  Lotus nevadensis var. nevadensis G. F. Hrusa, T. D. Wilfred 1996-7-9 13165 Butte Sierra Nevada; on USFS 22N80 overlooking drainages of Marble Creek and Jordan Ck to N. Comment
  CDA13333  Lotus nevadensis var. nevadensis G. F. Hrusa, T. D. Wilfred 1996-7-9 13179 Butte Sierra Nevada; approx. 0.4 m from Hwy 162 on 22N89. Comment
  CHSC65559  Lupinus albicaulis L. P. Janeway 1995-6-20 4805 Butte Watson Ridge; about 1 mi south of Pompys Point. 1188 Comment
  CHSC39976  Lupinus andersonii L. Ahart; P. Ahart 1983-7-29 4250 Butte Ca. 2 mi e of Milsap Bar, ca. 25 mi ne of Oroville. 900 Comment
  CDA13259  Lupinus grayi G. F. Hrusa, T. D. Wilfred 1996-7-9 13110 Butte Plumas National Forest; Nr. headwaters of Jordan Creek, S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13329  Lupinus grayi G. F. Hrusa, T. D. Wilfred 1996-7-9 13175 Butte Sierra Nevada; at S end of 22N12X. Approx. 0.5 m. on 22N89 and 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CDA13334  Lupinus grayi G. F. Hrusa, T. D. Wilfred 1996-7-9 13180 Butte Sierra Nevada; at S end of 22N12X. Approx. 0.5 m. on 22N89 and 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. w/ 13175. Comment
  CHSC97022  Lupinus grayi L. P. Janeway 2007-7-23 9122 Butte Northern High Sierra Nevada. Plumas National Forest; south-facing road cutbank along Road 21N92, on eastern Watson Ridge 1.8 km north-northwest of the mouth of Kenebeck Creek at Fall River and Nelsons Crossing. 1201 Comment
  CHSC39277  Lupinus latifolius var. columbianus Lowell Ahart 1983-7-29 4235 Butte Along the dirt road, about 1.4 mile west of Milsap Bar, about 25 miles north-east of Oroville. 500 Comment
  CHSC90294  Lupinus latifolius var. columbianus L. P. Janeway 1994-7-19 4698 Butte Northern High Sierra Nevada. South side of Cascade Creek 0.4 mi east of confluence with South Branch Middle Fork Feather River. 1179 Comment
  CDA13344  Lupinus nanus G. F. Hrusa, T. D. Wilfred 1996-7-9 13192 Butte Sierra Nevada; along Hwy 162. Near entrance to Rogers Cow Camp. Comment
  CHSC79742  Lupinus nanus G. F. Hrusa; T. D. Wilfred 1996-7-9 13192 Butte Sierra Nevada Flora - Plumas National Forest. Roadside colony along Hwy 162 near entrance to Rogers Cow Camp. [Lat./Long. on label is '39 46 N; 121 17 W']. 1250 Comment
  CDA13297  Luzula comosa G. F. Hrusa, T. D. Wilfred 1996-7-9 13145 Butte Plumas National Forest; Jordan Creek, above waterfall nr. confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC55304  Luzula parviflora Lowell Ahart 1991-8-25 6705 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) just south of Jordan Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. 1082 Comment
  UC1586522  Luzula parviflora Lowell Ahart 1991-8-25 6705 Butte just s Jordan Creek (Forest Rd. 23N60 (Jordan Creek-Marble Creek Rd.), e of Oroville-Quincy Hwy., ca 5.75 mi (air) ne of Brush Creek); just s of Jordan Creek 1082 Comment
  CHSC84175  Lychnis coronaria Lowell Ahart 2003-7-12 10374 Butte On both sides of Milsap Bar Road, about 1/8 mile south of the bridge across the North Fork of the Feather River, about 4 miles (air) northeast of the Brush Creek Work Center, about 20 miles (air) northeast of Oroville. 997 Comment
  CHSC84881  Lychnis coronaria Lowell Ahart 1983-7-29 4229 Butte Found along the edge of the dirt road, about 1/4 mile west of Milsap Bar, about 25 miles north-east of Oroville. 500 Comment
  CDA13326  Madia elegans subsp. elegans G. F. Hrusa, T. D. Wilfred 1996-7-9 13172 Butte Sierra Nevada; S end of 22N12X. Approx. 0.5 m. on 22N89 and 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CHSC76036  Madia elegans subsp. elegans G. F. Hrusa; T. D. Wilfred 1996-7-9 13172 Butte Sierra Nevada. Plumas National Forest. At S end of 22N12X. Approx. 0.5 m. on 22N89 and 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. [Original Lat./Long. on label is '39 45 N; 121 18 W']. 1100 Comment
  CAS-BOT-BC342966  Madia gracilis Lowell Ahart 1983-7-29 4232 Butte About 1/4 mile west of Milsap Bar, about 25 miles north-east of Oroville 500 Comment
  CDA13275  Madia gracilis G. F. Hrusa, T. D. Wilfred 1996-7-9 13123 Butte Plumas National Forest; Above Jordan Creek. Nr. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13274  Malacothrix floccifera G. F. Hrusa, T. D. Wilfred 1996-7-9 13122 Butte Plumas National Forest; N ridge above Jordan Creek. Nr. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13327  Malacothrix floccifera G. F. Hrusa, T. D. Wilfred 1996-7-9 13173 Butte Sierra Nevada; S end of 22N89. Approx. 0.5 m. on 22N89. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CHSC39354  Malacothrix floccifera Lowell Ahart 1983-7-29 4244 Butte Along the dirt road, about 1 mile east of Milsap Bar, about 25 miles north-east of Oroville. 750 Comment
  CHSC76037  Malacothrix floccifera G. F. Hrusa; T. D. Wilfred 1996-7-9 13187 Butte Sierra Nevada. Plumas National Forest. [Original Lat./Long. on label is '39 45 N; 121 18 W']. 1150 Comment
  HSC94149  Malacothrix floccifera G. Fred Hrusa, T. D. Wilfred 1996-7-9 13185 Butte Approx 1 mi. on 22N89. Immediately S of Rogers Cow Camp on Hwy. 162. 1150 Comment
  CHSC74090  Medicago polymorpha B. Castro 1998-5-11 790 Butte Ca 2.5 air mi E of the Oro-Quincy Hwy, at Milsap Bar, on the W side of Milsap Bar Road's bridge over the Middle Fork Feather River. 498 Comment
  CDA13300  Melica aristata G. F. Hrusa, T. D. Wilfred 1996-7-9 13148 Butte Plumas National Forest; Scattered individuals in old roadbed. Coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp on 23N15. Perennial. Comment
  CHSC74167  Melica aristata B. Castro; L. Gehrung 1998-8-19 823 Butte Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, 100-300 ft W of Oro-Quincy Hwy on top and upper sides of ridge E of Get-Up-and-Get Creek. 1213 Comment
  UCR115081  Melica aristata G. Fred Hrusa, T. D. Wilfred 1996-7-9 13148 Butte Sierra Nevada Mtns., Plumas National Forest. Above Jordan Creek, south of Hwy 162 near Roger's Cow Camp 1250 Comment
  CAS-BOT-BC281301  Melica harfordii Lowell Ahart 1983-7-29 4231 Butte Along the dirt road, ca 0.25 mile W of Milsap Bar, ca 25 miles NE of Oroville 500 Comment
  CDA13298  Melica harfordii G. F. Hrusa, T. D. Wilfred 1996-7-9 13146 Butte Plumas National Forest; Common colonies on dry, shaded slopes in coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp. Perennial. Comment
  CHSC107923  Melica harfordii L. P. Janeway 2011-7-21 10519 Butte Northern High Sierra Nevada. Plumas National Forest; along Road 23N60 between crossings of Jordan Creek and Marble Creek, 3.1 air km east of Rogers Cow Camp. On steep 10 m high road cut-banks. 1067 Comment
  CHSC39278  Melica harfordii Lowell Ahart 1983-7-29 4231 Butte Along the dirt road, about 1/4 mile west of Milsap Bar, about 25 miles north-east of Oroville. 500 Comment
  CHSC41166  Melica harfordii L. P. Janeway; Gary Benson 1985-7-1 Butte Plumas N.F. ECOS plot 11-123. Slope on west side of Middle Fork Feather River near Milsap Bar. 633 Comment
  CHSC73895  Melica harfordii B. Castro 1997-6-13 739 Butte Mtn. House Proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. Along dirt road edges. 1082 Comment
  UCR115105  Melica harfordii G. Fred Hrusa, T. D. Wilfred 1996-7-9 13146 Butte Sierra Nevada Mtns., Plumas National Forest. Above Jordan Creek, south of Hwy 162 near Roger's Cow Camp 1250 Comment
  CDA13293  Melica subulata G. F. Hrusa, T. D. Wilfred 1996-7-9 13141 Butte Plumas National Forest; Occasional individuals on dry, shaded slopes in coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp. Perennial. Comment
  CHSC73896  Melica subulata B. Castro 1997-6-13 742 Butte Mtn. House Proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. Along dirt road edges. 1082 Comment
  UCR115089  Melica subulata G. Fred Hrusa, T. D. Wilfred 1996-7-9 13141 Butte Sierra Nevada Mtns., Plumas National Forest. Above Jordan Creek, south of Hwy 162 near Roger's Cow Camp 1250 Comment
  CHSC31422  Melilotus albus L. Ahart 1980-9-10 2629 Butte Along edge of the road ca. 1 mi ne of Millsap Bar, ca. 25 mi ne of Oroville. 900 Comment
  CHSC54438  Melilotus officinalis Vernon H. Oswald; Lowell Ahart 1991-7-15 4734 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), 2.1 miles east of its junction with Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. 1082 Comment
  UC1586473  Melilotus officinalis Vernon H. Oswald and Lowell Ahart 1991-7-15 4734 Butte Forest Rd No 23N60 (Jordan Creek-Marble Creek Rd) 2.1 mi e junction with Oroville-Quincy Hwy (ca 5.75 air mi ne of Brush Creek) 1082 Comment
  CHSC30653  Micranthes fallax M. S. Taylor 1979-5-4 1989 Butte Along Millsap Bar Rd, 4 mi ne of its jct with Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CDA13309  Mimulus moschatus G. F. Hrusa, T. D. Wilfred 1996-7-9 13155 Butte Sierra Nevada; Jordan Creek on W side of bridge over Marble Creek on USFS N60. Comment
  UC1586471  Mimulus nasutus Vernon H. Oswald and Lowell Ahart 1991-7-15 4741 Butte ca. 5.5 air mi ene Brush Creek (Milsap Bar Rd. (Forest Rd. 22N62), 6.4 mi w of Feather Falls-Little Grass Valley Rd. (Forest Rd. 22N94)) 845 Comment
  CDA13266  Mimulus torreyi G. F. Hrusa, T. D. Wilfred 1996-7-9 13114 Butte Plumas National Forest; Above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  SEINET3078637 Image available Mohavea breviflora Noel H. Holmgren, Patricia K. Holmgren 1973-3-18 6373 Inyo Resting Spring Range, 2.75 airline miles north of Shoshone 549 Comment
  SEINET6192619  Mohavea breviflora Noel H. Holmgren, Patricia K. Holmgren 1973-3-18 6373 Inyo Resting Spring Range, 2.75 airline miles north of Shoshone 549 Comment
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Oct 24 2018
  CAS-BOT-BC219943  Monardella breweri subsp. lanceolata Lowell Ahart 1983-7-29 4255 Butte About 3 miles east of Milsap Bar, about 25 miles north-east of Oroville 1100 Comment
  CHSC39282  Monardella breweri subsp. lanceolata Lowell Ahart 1983-7-29 4255 Butte 3 miles east of Milsap Bar, about 25 miles north-east of Oroville. 1100 Comment
  CHSC60102  Monardella breweri subsp. lanceolata B. Castro; J. Jurewicz 1991-9-16 447 Butte Ca 23 air mi NE of Oroville, ca 4 mi NE of Mtn. House along Oro-Quincy Hwy, on E side of USFS Rd 22N80 ca 0.2 mi NE of its jcn with the Oro-Quincy Hwy. 1203 Comment
  CHSC70800  Monardella breweri subsp. lanceolata B. Castro 1989-8-1 332 Butte Ca 3.5 road mi E of Brush Creek on Milsap Bar Rd. Ca 100 ft S of rd. 853 Comment
  CDA13313  Monardella sheltonii G. F. Hrusa, T. D. Wilfred 1996-7-9 13159 Butte Sierra Nevada; USFS N60 approx. 0.4 m E of bridge over Marble Creek. Comment
  CDA13337  Monardella sheltonii G. F. Hrusa, T. D. Wilfred 1996-7-9 13183 Butte Sierra Nevada; S end of USFS 22N12X. Approx. 0.5 m. on 22N89 and 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CHSC68011  Monardella villosa subsp. villosa James D. Jokerst 1986-6-29 2743 Butte Crooked Bar, Middle Fork Feather River, on canyon slope adjacent to dirt road at N apex of bend in road. 579 Comment
  UC1748331  Monardella villosa subsp. villosa James D. Jokerst 1986-6-29 2743 Butte Crooked Bar Middle Fork Feather River 579 Comment
  CHSC84468  Montia diffusa Lowell Ahart 2003-7-12 10378 Butte Near a small stream, on the west side of Milsap Bar Road, about 2 1/2 miles (air) east of the Brush Creek Work Center, about 17 miles (air) northeast of Oroville. 1036 Comment
  JEPS104241  Montia diffusa Lowell Ahart 2003-7-12 10378 Butte Near a small stream, on the w side of Milsap Bar Rd, ca 2 1/2 mi (air) e of the Brush Creek Work Center, ca 17 mi (air) ne of Oroville. 1036 Comment
  CDA13311  Montia parvifolia G. F. Hrusa, T. D. Wilfred 1996-7-9 13157 Butte Sierra Nevada; E side of bridge over Marble Creek on USFS 23N60. Comment
  CHSC12406  Montia parvifolia Lowell Ahart 1973-5-31 Butte Near Little North Fork, Feather River. 1066 Comment
  CHSC30273  Nassella pulchra M. S. Taylor 1979-5-4 1997 Butte Along Millsap Bar Rd, ca. 4 mi ne of its jct with Brush Creek Rd., ca. 26 mi ne of Oroville. 1005 Comment
  CHSC31177  Nemophila heterophylla M. S. Taylor 1979-5-4 1994 Butte Millsap Bar Campground, ca. 9 mi ne of the jct of Millsap Bar Rd and Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CDA13265  Panicum acuminatum var. acuminatum G. F. Hrusa, T. D. Wilfred 1996-7-9 13113 Butte Plumas National Forest; Uncommon perennial on moist edge of Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Forest dense, diverse here. Comment
  CAS-BOT-BC253700  Panicum capillare Lowell Ahart 1983-7-29 4239 Butte Ca. 0.5 mile E of Milsap Bar, ca. 25 miles NE of Oroville 500 Comment
  CHSC83103  Panicum capillare Lowell Ahart 1983-7-29 4239 Butte Along the edge of the dirt road, about 1/2 mile east of Milsap Bar, about 25 miles north-east of Oroville. 500 Comment
  CDA13270  Penstemon laetus var. leptosepalus G. F. Hrusa, T. D. Wilfred 1996-7-9 13118 Butte Plumas National Forest; Jordan Creek, above falls before confluence with Marble Creek. Comment
  CHSC28922  Penstemon laetus var. leptosepalus L. Hanson 1979-7-11 29 Plumas Kellogg Lookout Area. Comment
  CHSC28892  Pentagramma triangularis M. S. Taylor 1979-4-5 1991 Butte Millsap Bar Campground, ca. 9 mi ne of jct Millsap Bar Rd and Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CAS-BOT-BC77132  Pentagramma triangularis subsp. semipallida Lowell Ahart 1983-7-29 4241 Butte About 1/2 mile east of Milsap Bar, about 25 miles north-east of Oroville. 500 Comment
  CHSC28898  Pentagramma triangularis subsp. semipallida M. S. Taylor 1979-5-4 1996 Butte Along Millsap Bar Rd, ca. 4 mi ne of its jct with Bruch Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CHSC32116  Pentagramma triangularis subsp. semipallida L. Ahart 1976-7-7 1171 Butte Along edge of rd to Little North Fork of the Feather River, ca. 2 mi s of Junction House. 1219 Comment
  CHSC63691  Pentagramma triangularis subsp. semipallida Lowell Ahart 1994-10-9 7559 Butte On the north side of the poor road that hoes from Milsap Bar to Mountain Spring House, about 1 mile west of Mountain Spring House and the paved road, about 8 1/2 (air) miles north and 1 1/2 miles east of Feather Falls. 1158 Comment
  CDA13303  Phacelia heterophylla subsp. virgata G. F. Hrusa, T. D. Wilfred 1996-7-9 13151 Butte Plumas National Forest; along USFS N60 near Marble Creek Bridge. E of Rogers Cow Camp. Comment
  CHSC39115  Phacelia heterophylla subsp. virgata Lowell Ahart 1983-7-29 4251 Butte 2 mi e of Milsap Bar, about 25 mi ne of Oroville; on dry, bare granite soil along dirt road in yellow pine forest. 1000 Comment
  CHSC30929  Philadelphus lewisii M. S. Taylor 1979-5-4 1990 A Butte Along Millsap Bar Rd, ca. 4 mi ne of its jct with Brush Creek, Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CDA13299  Phleum pratense G. F. Hrusa, T. D. Wilfred 1996-7-9 13147 Butte Plumas National Forest; Few individuals on shaded wet bank of Jordan Creek, above waterfall nr. confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. Comment
  UCR115104  Phleum pratense G. Fred Hrusa, T. D. Wilfred 1996-7-9 13147 Butte Sierra Nevada Mtns., Plumas National Forest. Above Jordan Creek, south of Hwy 162 near Roger's Cow Camp 1250 Comment
  CDA22378  Phoradendron libocedri L. Ahart 2000-9-27 8696 Butte On the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 1 1/4 miles (air) northeast of Big Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. Comment
  JEPS98508  Phoradendron libocedri Lowell Ahart 2000-9-27 8696 Butte About 1/4 mile southeast of Little Bald Rock, about 1 1/4 miles (air) northeast of Big Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. 1066 Comment
  CHSC45829  Pinus ponderosa Lowell Ahart 1974-10-4 656 Plumas Along the edge of a dirt road near Grouse Hollow Creek, along a road near Skyhigh, about 20 miles north-east of Oroville. 1066 Comment
  CHSC54458  Piperia colemanii Vernon H. Oswald 1991-7-15 4731 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), just east of its juction with Oroville-Quincy Hwy, ca. 4.75 miles (air) northeast of Brush Creek. 1109 Comment
  CHSC2445  Piperia transversa R. Carter 1965-7-6 275 Butte Found along E side of Oroville-Quincy R., 5.2 mi. N of Mountain House, ca. 5' from road. 1219 Comment
  CHSC54457  Piperia transversa Vernon H. Oswald; Lowell Ahart 1991-7-15 4732 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), just east of its junction with Oroville-Quincy Hwy, ca. 4.75 miles (air) northeast of Brush Creek. 1109 Comment
  CHSC65868  Piperia transversa L. P. Janeway 1995-7-15 4856 Butte Watson Ridge, about 1.7 mi east-northeast of its western end. Along Road 21N25A. 1097 Comment
  UC1586475  Piperia transversa Vernon H. Oswald and Lowell Ahart 1991-7-15 4732 Butte ca 4.75 mi (air) ne Brush Creek (Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), just e of its junction with Oroville-Quincy Hwy) 1109 Comment
  JEPS87172  Platanthera leucostachys Lowell Ahart 1992-6-26 6781 Butte about 1/2 mi nw Merrimac (e side Rogers Cow Camp); e side Rogers Cow Camp 1219 Comment
  UC1594590  Platanthera leucostachys Lowell Ahart 1992-6-26 6781 Butte about 1/2 mi nw Merrimac (e side Rogers Cow Camp); e side Rogers Cow Camp 1219 Comment
  CDA13288  Pleuricospora fimbriolata G. F. Hrusa, T. D. Wilfred 1996-7-9 13136 Butte Plumas National Forest; E of Jordan Creek near headwaters, S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC73945  Pleuricospora fimbriolata B. Castro; L. Gehrung 1998-6-23 795 Butte Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, on W side of Oro-Quincy Hwy, on E side of SW-trending ridge overlooking Get-Up-and-Get Creek. 1191 Comment
  CHSC83686  Poa compressa John Dittes 2002-7-6 2 -9 Butte Northern High Sierra Nevada; Plumas National Forest, Watson Ridge, ca. 1.1 air mile northeast of intersection of FS Road 21N25 and FS Road 21N25G, ca. 1.5 air mile north of Fall River. Old landing south of FS Road 21N25. 1207 Comment
  CAS-BOT-BC244158  Poa sierrae Lowell Ahart 1983-5-28 4026 Butte About 2.5 miles N of the town of Feather Falls, along trail to overlook to Feather Falls 600 Comment
  CAS-BOT-BC244159  Poa sierrae Lowell Ahart 1980-5-29 2355 Butte 5 miles NE of Mountain House 1100 Comment
  CHSC107428  Poa sierrae L. P. Janeway 2011-7-21 10517 Butte Northern High Sierra Nevada. Plumas National Forest; along Road 23N60 between crossings of Jordan Creek and Marble Creek, 3.1 air km east of Rogers Cow Camp. On steep 10 m high road cutbanks, east-facing. 1067 Comment
  CHSC37340  Poa sierrae L. Ahart 1980-5-29 2355 Butte Along the edge of the dirt road, near Jordan Creek, ca. 2 1/2 mi ne of the Oroville-Quincy Hwy, ca. 5 mi ne of Mt. House. 1100 Comment
  CHSC31445  Polypogon interruptus L. Ahart 1980-9-10 2638 Butte Along the edge of the road, ca. 5 mi e of Millsap Bar, ca. 30 mi ne of Oroville. 1200 Comment
  JEPS87566  Polystichum Lowell Ahart 1994-10-9 7561 Butte ca. 8 1/2 air mi n and 1 1/2 mi e of Feather Falls (n side of poor rd from Milsap Bar to Mountain Spring House, ca. 1 mi w of Mountain Spring House and the paved rd.) 1158 Comment
  CHSC28907  Polystichum imbricans M. S. Taylor 1979-5-4 1987 Butte Millsap Bar Campground, ca. 9 mi ne of jct of Millsap Bar Rd and Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CHSC30856  Polystichum imbricans L. Ahart 1980-9-10 2633 Butte Ca. 1 mi ne of Millsap Bar, ca. 25 mi ne of Oroville. 900 Comment
  CHSC63692  Polystichum imbricans Lowell Ahart 1994-10-9 7560 Butte On the north side of the poor road that goes from Milsap Bar to Mountain Spring House, about 1 mile west of Mountain Spring House and the paved road, about 8 1/2 (air) miles north and 1 1/2 miles east of Feather Falls. 1158 Comment
  CHSC63693  Polystichum imbricans subsp. curtum Lowell Ahart 1994-10-9 7561 Butte On the north side of the poor road that goes from Milsap Bar to Mountain Spring House, about 1 mile west of Mountain Spring House and the paved road, about 8 1/2 (air) miles north and 1 1/2 miles east of Feather Falls. 1158 Comment
  JEPS87565  Polystichum imbricans subsp. curtum Lowell Ahart 1994-10-9 7561 Butte ca. 8 1/2 air mi n and 1 1/2 mi e of Feather Falls (n side of poor rd from Milsap Bar to Mountain Spring House, ca. 1 mi w of Mountain Spring House and the paved rd.) 1158 Comment
  CAS-BOT-BC76652  Polystichum munitum Lowell Ahart 1980-9-10 2633 Butte Sierra Nevada - 1 mile north-east of Milsap Bar. 900 Comment
  CHSC45606  Potentilla glandulosa subsp. reflexa L. P. Janeway 1987-6-5 2153 Butte Upper reach of Carey Cr where rd 22N89 crosses it 0.5 mi from OroQuincy Hwy. Along rd. 1097 Comment
  CHSC54487  Potentilla glandulosa subsp. reflexa Vernon H. Oswald; Lowell Ahart 1991-7-15 4733 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), 1.3 miles east of its junction with Oroville-Quincy Hwy, ca. 4.75 miles (air) northeast of Brush Creek. Roadcut. 1097 Comment
  CDA13269  Prunella vulgaris var. lanceolata G. F. Hrusa, T. D. Wilfred 1996-7-9 13117 Butte Plumas National Forest; on Jordan Creek at old Picnic Area above falls before confluence with Marble Creek. Comment
  CHSC52217  Prunella vulgaris var. lanceolata L. P. Janeway 1987-6-5 2154 Butte Upper reach of Carey Gulch where F. S. Rd 22N89 crosses it 0.5 mi from the OroQuincy Hwy. 1097 Comment
  RSA595071  Prunus persica var. persica J. T. Howell 1976-7-14 51816 Butte Feather River Canyon Hwy, just E of Jarbo Gap SW of Bucks Lake on road to Oroville. 640 Comment
  CHSC39276  Pseudognaphalium stramineum Lowell Ahart 1983-7-29 4226 Butte Slide area along the dirt road, about 1/4 mile west of Milsap Bar. about 25 miles north-east of Oroville. 500 Comment
  CDA13287  Pterospora andromedea G. F. Hrusa, T. D. Wilfred 1996-7-9 13135 Butte Plumas National Forest; E of Jordan Creek near headwaters, S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC2448  Pterospora andromedea R. Carter 1965-7-6 274 Butte Found along E side of Oroville-Quincy Rd., 5.2 mi. N of Mountain House, ca. 15' from road in open woods. 1219 Comment
  CHSC48495  Pycnanthemum californicum Vernon Oswald 1986-7-7 2184 Butte Millsap Bar Rd. 3.2 mi e of Bald Rd. near Brush Creek. 914 Comment
  CHSC45518  Pyrola aphylla Lowell Ahart 1976-7-7 1169 Plumas Near the dirt road, about 2 miles south-west of Cold Water Creek, about 6 miles south of Grizzly Mountain. 1524 Comment
  CHSC73418  Pyrola asarifolia subsp. asarifolia B. Castro; L. Gehrung 1995-6-20 576 Butte Ca 4 air mi NE of Feather Falls, towards northeastern end of Watson Ridge, in moist N-trending ravine, S of sharp bend in USFS Rd 22N24. 1173 Comment
  CHSC2369  Pyrola dentata R. Carter 1965-6-21 246 Butte Found along E side of Oroville-Quincy Rd., 5.1 mi. N of Mountain House. 1219 Comment
  CDA13272  Pyrola picta G. F. Hrusa, T. D. Wilfred 1996-7-9 13120 Butte Plumas National Forest; Above Jordan Creek, above falls before confluence with Marble Creek. Comment
  CDA13277  Pyrola picta G. F. Hrusa, T. D. Wilfred 1996-7-9 13125 Butte Plumas National Forest; N ridge above Jordan Creek. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13273  Pyrola picta var. dentata G. F. Hrusa, T. D. Wilfred 1996-7-9 13121 Butte Plumas National Forest; Above Jordan Creek, above falls before confluence with Marble Creek. Comment
  CAS-BOT-BC56641  Rhododendron occidentale L. P. Janeway 1995-6-28 4821 Butte Top of Watson Ridge at junction of Roads 21N24 and 21N25; about 1.5 mi west of Kenebeck Ridge 1249 Comment
  CDA13317  Rhododendron occidentale G. F. Hrusa, T. D. Wilfred 1996-7-9 13163 Butte Sierra Nevada; Moist, shaded bank of Jordan Creek, near old Picnic Area above waterfall upstream from confluence with Marble Creek. Shrub, 3 meters tall. Flowers fragrant. Few here. Comment
  CHSC65548  Rhododendron occidentale L. P. Janeway 1995-6-28 4821 Butte Top of Watson Ridge at junction of Roads 21N25; about 1.5 mi west of Kenebeck Ridge. 1249 Comment
  JEPS98301  Rhynchospora capitellata Lowell Ahart 2000-6-27 8521 Butte Seepy area, north part of Big Bald Rock, area is about 100 yards south and west of the north and east forest line, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville. 963 Comment
  JEPS98612  Rhynchospora capitellata Lowell Ahart 2000-6-27 8532 Butte Seeps on bare granite, on the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. 1066 Comment
  CDA13286  Ribes roezlii G. F. Hrusa, T. D. Wilfred 1996-7-9 13134 Butte Plumas National Forest; E side above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC73813  Rubus glaucifolius B. Castro; L. Hanson 1996-8-22 718 Butte Ca 1.2 air mi NE of confluence of Middle Fork Feather River with its South Branch, on the extreme W end of Mtn Spring House Ridge. On knoll, ca 0.2 mi N of overlook to Seven Falls. 1005 Comment
  CHSC46047  Rubus parviflorus L. P. Janeway 1987-6-5 2152 Butte Upper reach of Carey Gulch where rd 22N89 crosses it 0.5 mi from OroQuincy Hwy. Edge of rd near cr. 1097 Comment
  CHSC45768  Rudbeckia hirta var. pulcherrima Vernon Oswald 1985-7-30 1913 Butte Oroville-Quincy Hwy 8.0 mi nne of Brush Creek at Merrimac site. In meadow at the head of Peavine Creek. 1219 Comment
  UC1586477  Rudbeckia occidentalis Vernon H. Oswald and Lowell Ahart 1991-7-15 4739 Butte 5.75 mi (air) ne of, just upstream from the bridge Brush Creek; Forest Rd 23N60, Jordan Creek-Marble Creek Rd, Oroville-Quin 1051 Comment
  CHSC54432  Rudbeckia occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1991-7-15 4739 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Marble Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. On the east side of the creek just upstream from the bridge. 1051 Comment
  CHSC45867  Rumex acetosella Lowell Ahart 1973-5-31 249 Plumas Near the dirt road, near the Little North Fork of the Feather River. 1066 Comment
  CHSC97332  Rumex obtusifolius L. P. Janeway 2007-7-30 9146 Butte Northern High Sierra Nevada. Plumas National Forest; mid-slope of Mountain Spring House Ridge above South Branch Feather River, along the road to Milsap Bar. 1116 Comment
  CHSC39295  Sambucus mexicana Lowell Ahart 1983-7-29 4254 Butte Along the side of the edge of the road, about 2 miles east of Milsap Bar, about 25 miles north-east of Oroville. 900 Comment
  CAS-BOT-BC238614  Sambucus nigra subsp. caerulea Lowell Ahart 1983-7-29 4254 Butte About 2 miles east of Milsap Bar, about 25 miles north-east of Oroville 900 Comment
  CAS-BOT-BC238615  Sambucus nigra subsp. caerulea Lowell Ahart 1983-7-29 4254 Butte About 2 miles east of Milsap Bar, about 25 miles north-east of Oroville 900 Comment
  CHSC73731  Sanicula graveolens B. Castro 1997-6-30 725 Butte Ca. 2.2 air mi NE of Brush Creek and 1 mi ENE of Mtn. House, on S-facing slope of ridge overlooking Mtn House Creek. On N edge of USFS Rd 22N54, ca 1.1 rd mi E of the Oro-Quincy hwy, at base of road cut. 1066 Comment
  CHSC100929  Scirpus microcarpus R. A. Schlising; D. Burk, K. Tarp 1982-7-16 4296 Butte Northeast of Oroville and Brush Creek, on Oroville-Quincy Highway. 1219 Comment
  CDA13322  Scutellaria californica G. F. Hrusa, T. D. Wilfred 1996-7-9 13168 Butte Sierra Nevada; approx. 0.2 m. E of bridge over Marble Creek on USFS N60. Comment
  CHSC31155  Scutellaria tuberosa M. S. Taylor 1979-5-4 1995 Butte Millsap Bar Campground, ca. 9 mi ne of the jct of Millsap Bar Rd and Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CAS-BOT-BC63851  Sedum spathulifolium Lowell Ahart 1980-5-29 2358 Butte 5 miles NE of Mountain House. 1100 Comment
  CHSC30024  Sedum spathulifolium L. Ahart 1980-5-29 2358 Butte Near Jordan Creek, ca. 2 1/2 mi ne of The Oroville Quincy Hwy, ca. 5 mi ne of Mt. House. 1100 Comment
  CHSC42124  Sedum spathulifolium Lowell Ahart 1980-5-29 2358 Butte South of Jordan Creek, about 2 1/2 miles north-east of the Oroville Quincy Highway, about 5 miles north-east of Mountain House. 1005 Comment
  CHSC73741  Sericocarpus oregonensis B. Castro; L. Hanson 1996-8-22 717 Butte Ca 1.2 air mi NE of confluence of Middle Fork Feather River with its South Branch, on the extreme W end of Mtn Spring House Ridge, near overlook to Seven Falls on short S-trending ridge. 944 Comment
  CDA13282  Sidalcea oregana subsp. oregana G. F. Hrusa, T. D. Wilfred 1996-7-9 13130 Butte Plumas National Forest; E side above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC39355  Silene antirrhina Lowell Ahart 1983-7-29 4243 Butte Found along the edge of the dirt road, about 1 mile east of Milsap Bar, about 25 miles north-east of Oroville. 750 Comment
  CHSC39045  Silene bridgesii R. A. Schlising; K. Tarp 1983-7-22 4428 Butte E part of county, se of Brush Creek along Milsap Bar Road. 975 Comment
  CAS-BOT-BC389013  Silene laciniata subsp. californica Lowell Ahart 1983-7-29 4253 Butte About 2 miles east of Milsap Bar, about 25 miles north-east of Oroville 900 Comment
  CHSC39296  Silene laciniata subsp. californica Lowell Ahart 1983-7-29 4253 Butte Found along the edge of the dirt road, about 2 miles east of Milsap Bar, about 25 miles north-east of Oroville. 900 Comment
  CHSC39290  Solanum americanum Lowell Ahart 1983-7-29 4228 Butte In a slide area along the dirt road, about 1/4 mile west of Milsap Bar, about 25 miles north-east of Oroville. 500 Comment
  CDA13256  Sorbus scopulina var. cascadensis G. F. Hrusa, T. D. Wilfred 1996-7-9 13107 Butte Plumas National Forest; Drainage of Jordan Creek, S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13320  Stachys ajugoides G. F. Hrusa, T. D. Wilfred 1996-7-9 13166 Butte Sierra Nevada; approx. 0.4 m. E of bridge over Marble Creek on USFS N60. Comment
  CHSC85751  Stachys ajugoides var. ajugoides G. F. Hrusa; T. D. Wilfred 1996-7-9 13166 Butte Sierra Nevada--Plumas National Forest. Approx. 0.4 m. E of bridge over Marble Creek on USFS N60. [Lat./Long. on label is '39 degrees 46' N; 121 degrees 17' W']. 1150 Comment
  SEINET9320865  Stachys ajugoides var. ajugoides Unknown 1996-7-9 13166 Butte Plumas National Forest Comment
  CHSC41908  Stachys pycnantha Lowell Ahart 1983-7-29 4233 Butte Along the dirt road, about 1/4 mile west of Milsap Bar, about 25 miles northeast of Oroville. 500 Comment
  CHSC48500  Stachys pycnantha Vernon H. Oswald 1986-7-7 2185 Butte Millsqap Bar Rd. 3.6 mi e of Bald Rock Rd. near Brush Creek. 914 Comment
  JEPS87170  Stellaria borealis subsp. sitchana Lowell Ahart 1992-6-26 6779 Butte about 0.5 mi nw Merrimac (on e side of Rogers Cow Camp) 1219 Comment
  UC1594588  Stellaria borealis subsp. sitchana Lowell Ahart 1992-6-26 6779 Butte about 0.5 mi nw Merrimac (on e side of Rogers Cow Camp) 1219 Comment
  CHSC54435  Stellaria crispa Vernon H. Oswald; Lowell Ahart 1991-7-15 4737 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Jordan Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. 1082 Comment
  JEPS87171  Stellaria crispa Lowell Ahart 1992-6-26 6782 Butte about 0.5 mi nw Merrimac (on the e side of Rogers Cow Camp) 1219 Comment
  UC1586479  Stellaria crispa Vernon H. Oswald and Lowell Ahart 1991-7-15 4737 Butte ca 5.75 air mi ne Brush Creek (Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Jordan Creek, e of Oroville-Quincy Hwy); Jordan Creek 1082 Comment
  UC1594589  Stellaria crispa Lowell Ahart 1992-6-26 6782 Butte about 0.5 mi nw Merrimac (on the e side of Rogers Cow Camp) 1219 Comment
  CHSC55190  Stephanomeria elata Lowell Ahart 1991-8-25 6704 Butte On the north side of the dirt road, Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) east of Marble Creek, about 6 miles (air) northeast of Brush Creek. 1097 Comment
  UC1586575  Stephanomeria paniculata Lowell Ahart 1991-8-25 6704 Butte On the north side of the dirt road, Forest Road 23N60 (Jordan Creek-Marble Creek Road) east of Marble Creek, about 6 miles (air) northeast of Brush Creek. 1097 Comment
  CDA13264  Streptanthus tortuosus var. tortuosus G. F. Hrusa, T. D. Wilfred 1996-7-9 13112 Butte Plumas National Forest; Nr. headwaters of Jordan Creek, S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC65589  Styrax officinalis var. redivivus L. P. Janeway 1995-6-20 4806 Butte Watson Ridge; about 1.2 mi south of Pompys Point. South side of the ridge, above Road 21N25A. 1143 Comment
  CHSC73827  Styrax officinalis var. redivivus B. Castro; L. Hanson 1996-8-22 719 Butte Ca 1.2 air mi NE of confluence of Middle Fork Feather River with it South Branch, on the extreme W end of Mtn Spring House Ridge. On SW-facing slope of knoll, ca 0.2 mi NW of overlook to Seven Falls. 969 Comment
  CAS-BOT-BC48063  Styrax redivivus L. P. Janeway 1995-6-20 4806 Butte Watson Ridge; about 1.2 mi south of Pompys Point. South side of the rige, above Road 21N25A. 1143 Comment
  CDA13257  Tanacetum parthenium G. F. Hrusa, T. D. Wilfred 1996-7-9 13108 Butte Plumas National Forest; Drainage of Jordan Creek, S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC41176  Tauschia kelloggii L. P. Janeway; Gary Benson 1985-7-1 1205 Butte Plumas N.F. Slope in west side of Middle Fork Feather River near Milsap Bar. 633 Comment
  CHSC73734  Tauschia kelloggii B. Castro 1997-4-30 726 Butte Ca 2.2 air mi NE of Brush Creek and 1 mi ENE of Mtn. House, on S-facing slope of ridge overlooking Mtn House Creek. On n edge of USFS Rd 22N54, ca 1.1 rd mi E of the Oro-Qunicy hwy, at base of road cut. 1066 Comment
  CHSC12405  Tellima grandiflora Lowell Ahart 1973-5-31 Butte Near Little North Fork, Feather River. 1066 Comment
  CAS-BOT-BC77717  Thelypteris nevadensis Lowell Ahart 1983-7-29 4222 Butte About 2 miles south of Milsap Bar, about 23 miles north-east of Oroville 750 Comment
  CHSC84174  Thelypteris nevadensis Lowell Ahart 2003-7-12 10379 Butte On the south side of Milsap Bar Road, about 1 mile (air) southeast of the Brush Creek Work Center, about 16 miles (air) northeast of Oroville. 1048 Comment
  JEPS104142  Thelypteris nevadensis Lowell Ahart 2003-7-12 10379 Butte On the south side of Milsap Bar Rd, ca 1 mi (air) se of the Brush Creek Work Center, ca 16 mi (air) ne of Oroville. 1048 Comment
  CAS-BOT-BC81372  Torreya californica Lowell Ahart 1983-7-29 4252 Butte about 2 miles east of Milsap Bar, about 25 miles north-east of Oroville 1000 Comment
  CDA13332  Torreya californica G. F. Hrusa, T. D. Wilfred 1996-7-9 13178 Butte Sierra Nevada; Small colony in shaded woods approx. 0.4 m from Hwy 162 on 22N89. Tree, approx. 10 m tall. Uncommon here. Immed. S of Rogers Cow Camp. Comment
  CDA440  Torreya californica G. Fred Hrusa 1996-7-9 13178 Butte Sierra Nevada Mountains; Plumas National Forest. about 0.4 mi from Hwy 162 on 22N89 Comment
  CHSC39294  Torreya californica Lowell Ahart 1983-7-29 65 Butte 2 miles east of Milsap Bar. About 25 miles north-east of Oroville. 1000 Comment
  CDA13310  Trautvetteria caroliniensis var. occidentalis G. F. Hrusa, T. D. Wilfred 1996-7-9 13156 Butte Sierra Nevada; Near confluence of Jordan Creek on W side of bridge over Marble Creek on USFS N60. Comment
  CHSC54447  Trautvetteria caroliniensis var. occidentalis Vernon H. Oswald; Lowell Ahart 1991-7-15 4740 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Marble Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. On the east side of the creek just upstream from the bridge. 1051 Comment
  UC1586478  Trautvetteria caroliniensis var. occidentalis Vernon H. Oswald and Lowell Ahart 1991-7-15 4740 Butte 5.75 air mi ne of Brush Creek (Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Marble Creek, e of Oroville-Quincy Hwy); Marble Creek, Forest Rd 23N60 1051 Comment
  CHSC28698  Trientalis latifolia M. S. Taylor 1979-5-4 1984 Butte Millsap Bar Campground, ca. 9 mi ne of jct of Millsap Bar Rd and Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CDA13263  Trifolium hybridum G. F. Hrusa, T. D. Wilfred 1996-7-9 13111 Butte Plumas National Forest; Nr. headwaters of Jordan Creek, S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC54439  Trifolium hybridum Vernon H. Oswald; Lowell Ahart 1991-7-15 4735 Butte Forest Rd. 23N60 (Jordan Creek-Marble Creek Rd), 2.1 miles east of its junction with Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. 1082 Comment
  UC1586474  Trifolium hybridum Vernon H. Oswald and Lowell Ahart 1991-7-15 4735 Butte 2.1 mi e junction (Forest Rd (Jordan Creek-Marble Creek Rd) and Oroville-Quincy Hwy, ca 5.75 air mi ne of Brush Creek) 1082 Comment
  CDA13280  Turritis glabra G. F. Hrusa, T. D. Wilfred 1996-7-9 13128 Butte Plumas National Forest; Above Jordan Creek. ordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13335  Turritis glabra G. F. Hrusa, T. D. Wilfred 1996-7-9 13181 Butte Sierra Nevada; on 22N89 approx. 0.3 m. from intersection of Hwy 162. Comment
  CHSC30789  Turritis glabra M. S. Taylor 1979-5-4 1993 Butte Millsap Bar Campground, ca. 9 mi ne of jct of Millsap Bar Rd with Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  CHSC41909  Vaccinium parvifolium Lowell Ahart 1983-7-29 4221 Butte Along dirt road, 2 miles south of Milsap Bar, about 23 miles north-east of Oroville. 750 Comment
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Feb 8 2016
  CHSC65551  Vaccinium parvifolium L. P. Janeway 1995-5-8 4762 Butte Watson Ridge; about 3 mi northeast of Bald Rock Dome. 1139 Comment
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Feb 8 2016
  CHSC77163  Vaccinium parvifolium Loren Gehrung 1996-10-16 123 Butte Watson Ridge. On both side of USFS Rd 21N25A. This collection from south side of road. 1158 Comment
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Feb 8 2016
  CHSC92957  Vaccinium parvifolium L. P. Janeway 1994-7-27 4701 Butte Northern High Sierra Nevada. Narrow northeast-trending ridge overlooking South Branch Middle Fork Feather River; about 1.7 mi east of Milsap Bar. 1158 Comment
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Feb 8 2016
  CAS-BOT-BC193390  Vaccinium shastense subsp. nevadense L. P. Janeway 1995-5-8 4762 Butte Watson Rige; about 3 mi northeast of Bald Rock Dome 1139 Comment
  CAS-BOT-BC193391  Vaccinium shastense subsp. nevadense Lowell Ahart 1983-7-29 4221 Butte Along the dirt road about 2 miles south of Milsap Bar, about 23 miles north-east of Oroville 750 Comment
  CHSC83596  Verbena lasiostachys John Dittes 2002-7-6 2 -8 Butte Northern High Sierra Nevada; Plumas National Forest, Watson Ridge, ca. 1.1 air mile northeast of intersection of FS Road 21N25 and FS Road 21N25G, ca. 1.5 air mile north of Fall River. Landing south of FS Road 21N25. 1207 Comment
  CHSC74347  Vulpia microstachys var. microstachys B. Castro 1998-5-11 789 Butte Ca 2.5 air mi E of the Oro-Quincy Hwy, at Milsap Bar, on the W side of Milsap Bar Road's bridge over the Middle Fork Feather River. Above road. 498 Comment
  CAS-BOT-BC77798  Woodwardia fimbriata Lowell Ahart 1980-9-10 2634 Butte 3 miles north-east of Milsap Bar 1100 Comment
  CHSC30855  Woodwardia fimbriata L. Ahart 1980-9-10 2634 Butte Ca. 3 mi ne of Milsap Bar, ca. 27 mi ne of Oroville. 1100 Comment
  CAS-BOT-BC382899  Wyethia angustifolia L. P. Janeway 1995-6-28 4822 Butte South side of Watson Ridge about 1.5 mi south of Pompys Point 1097 Comment
  CHSC65543  Wyethia angustifolia L. P. Janeway 1995-6-28 4822 Butte South side of Watson Ridge about 1.5 mi south of Pompys Point. 1097 Comment



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