39.67333 39.77333 -121.52055 -121.42055 UC/JEPS: Consortium Search Results
Search Results — 1249 specimen records retrieved (1249 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
  UC1134156  Abies concolor J. E. Sowder, C. G. Albertson 1933-6-26 96 Butte 0.25 mi sw of Yankee Hill; Chico Quadrangle 487 Comment
  CAS-BOT-BC331610  Acer macrophyllum Lowell Ahart 1988-3-27 5934 Butte Along road W of the Poe Power House, E of the North Fork of the Feather River, about 2 miles SE of Jarbo Gap 274 Comment
  CHSC116971  Acer macrophyllum Danielle Gee 2013-4-27 Butte Dark Canyon Road, about 0.5 mile off Hwy 70. 572 Comment
  CHSC24659  Acer macrophyllum Keith Lickey 1976-4-18 84 Butte NW slope of Big Bend Mt; w of junction of Big Bend Rd and Hwy 70 (old). 396 Comment
  CHSC44463  Acer macrophyllum Lowell Ahart 1988-3-27 5934 Butte along a dirt road west of the Poe Power House, east of the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap. 274 Comment
  SEINET7893982  Acer macrophyllum R. T. Short 1961-4-11 s.n. Butte On US 40 alternate, 15 miles E of Oroville. (Hwy 70) 549 Comment
  SFV10861  Acer macrophyllum M. L. Vincent 1963-6-8 409 Butte Concow Lake, Concow Road - Nelson Bar Road. 615 Comment
  CAS-BOT-BC21705  Achillea millefolium Clarence Roy Quick 1964-7-9 64 -60 Butte North of Jarbo Gap Comment
  CAS-BOT-BC21746  Achillea millefolium Lowell Ahart 1987-6-9 5737 Butte On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42394  Achillea millefolium Lowell Ahart 1987-6-9 5737 Butte On a sand bar on the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC210632  Achnatherum lemmonii Lowell Ahart 1987-5-9 5583 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga 365 Comment
  CAS-BOT-BC210633  Achnatherum lemmonii Lowell Ahart 1988-6-21 6058 Butte Along Poe Power House Road, about 3/4 mile north of the Poe Power House, about 1 1/4 miles south-east of Jarbo Gap 426 Comment
  CHSC42447  Achnatherum lemmonii Lowell Ahart 1987-5-9 5583 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga. 365 Comment
  CHSC44461  Achnatherum lemmonii Lowell Ahart 1988-6-21 6058 Butte Along Poe Power House Road, about 3/4 mile north of the Poe Power House, about 1 1/4 miles south-east of Jarbo Gap. 426 Comment
  CHSC89015  Achnatherum lemmonii A. Peterson 2003-5-6 76 Butte Southeast of Chico, Hwy 70 road shoulder, about 2 1/2 miles sw of bridge over north fork of Feather River. 609 Comment
  CHSC93506  Achnatherum lemmonii Lowell Ahart 2006-5-10 12625 Butte Road bank, on the south side of the poor dirt road, Bardees Bar Road, south of the small stream, about 200 yards northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 385 Comment
  JEPS110242  Achnatherum lemmonii Lowell Ahart 2006-5-10 12625 Butte Road bank, on the south side of the poor dirt road, Bardees Bar Road, south of the small stream, about 200 yards northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 385 Comment
  RSA712954  Achnatherum lemmonii var. lemmonii L. Ahart 2006-5-10 12625 Butte Bardees Bar Road, South of the small stream, About 200 yrds NW of poor bridge across the North Fork of the Feather River at Bardees Bar, About 2.5 air mi SW of Pulga Comment
  CHSC43282  Acmispon americanus var. americanus Lowell Ahart 1987-8-30 5867 Butte On a large gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south east of Jarbo Gap. 271 Comment
  CAS-BOT-BC204862  Acmispon argophyllus var. fremontii Lewis S. Rose 1939-6-7 39243 Yuba N. Fork of Feather River, 3 mi. s. of Pulga 609 Comment
  CHSC42559  Acmispon argophyllus var. fremontii Lowell Ahart 1987-5-9 5600 Butte Along Pulga Road, about 1 mile south-west of Bardees Bar along the North Fork of the Feather River, about 3 1/2 miles south-west of Pulga. 365 Comment
  CHSC33115  Acmispon brachycarpus M. S. Taylor 1981-5-14 3734 Butte N side of Feather River Hwy 70 at Plumas NF boundary sign, ca. 2 mi ne of Jarbo Gap. 609 Comment
  CHSC6600  Acmispon grandiflorus var. macranthus G. Estrem 1968-4-23 2 Butte Ca. 20 mi e of Oroville on hwy. 70. Ca. 100 yds. s of road on n facing slope. Comment
  CHSC31099  Acmispon parviflorus Diane M. Reilly 1980-4-19 16 Butte Under power lines. Ca. 1/4 mi sw off Big Bend Rd., ca. 2 mi off Hwy 70, ca. 25 mi e of Chico. 609 Comment
  CHSC42557  Acmispon parviflorus Lowell Ahart 1987-5-6 5522 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC32723  Adiantum jordanii M. S. Taylor 1981-4-8 3500 Butte At the end of Dark Canyon Rd around the turnout near the restroom, up from the boat ramp to West Branch Feather River, ca. 3.5 mi s of its jct with Big Bend rds jct, ca. 5 air mi s of Jarbo Gap on Hwy 70. 304 Comment
  CHSC99560  Adiantum jordanii L. P. Janeway 2008-6-22 9421 Butte Northern Sierra Nevada Foothills. Canyon draining on east side of Dark Canyon Road 90 m north of the gate to the boat ramp into Lake Oroville. North-facing slope. 294 Comment
  CHSC93877  Aegilops triuncialis Lowell Ahart 2006-6-9 12640 Butte Along the south side of the service road to Bardees Bar along the North Fork of the Feather River, about 50 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga. 534 Comment
  JEPS110293  Aegilops triuncialis Lowell Ahart 2006-6-9 12640 Butte Along the south side of the service road to Bardees Bar along the North Fork of the Feather River, about 50 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga 534 Comment
  RSA718339  Aegilops triuncialis L. Ahart 2006-6-9 12640 Butte Along the south side of the service road to Bardees Bar along the North Fork of the Feather River, about 50 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga. 535 Comment
  SFV10863  Aesculus californica M. L. Vincent 1963-6-8 408 A Butte Concow Lake, Concow Road - Nelson Bar Road. 615 Comment
  CHSC44366  Agoseris grandiflora Lowell Ahart 1988-6-21 6054 Butte Along Poe Power House Road, about 3/4 mile north of the Poe Power House, about 1 1/4 miles south-east of Jarbo Gap. 426 Comment
  CHSC42474  Agoseris heterophylla Lowell Ahart 1987-5-6 5497 Butte Along the North Fork of the Feather River, Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC44367  Agoseris heterophylla Lowell Ahart 1988-5-30 6025 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC63528  Agoseris heterophylla Vernon Oswald 1994-4-14 6109 Butte Old railroad grade along the N Fork Feather River just E of Chino Creek, E of Poe Powerhouse. 301 Comment
  CAS-BOT-BC13345  Agoseris retrorsa Lowell Ahart 1987-5-9 5603 Butte Along Pulga Road about 2 mi SW of Bardees Bar along the North Fork of the Feather River, about 4.5 mi SW of Pulga 365 Comment
  CHSC33793  Agoseris retrorsa M. S. Taylor 1981-4-28 3566 Butte N side of rd 23N28.2, in loop in rd, ca. 1.2 mi W of Chino Creek, ca. 4 air mi E of Jarbo Gap on Hwy 70. 929 Comment
  CHSC42473  Agoseris retrorsa Lowell Ahart 1987-5-9 5603 Butte Along Pulga Road, about 2 miles south-west of Bardees Bar along the North Fork of the Feather River, about 4 1/2 miles south-west of Pulga. 365 Comment
  CHSC70813  Agrimonia gryposepala B. Castro; H. Durio, L. Gehrung 1995-7-24 590 Butte Ca 1.5 air mi S of Hungry Hunt Oeak, and 1.5 mi E of Hwy 70, ca 0.2 mi S on 'A' Spur off USFS Rd 22N84. 914 Comment
  CAS-BOT-BC162042  Agrostis Lowell Ahart 1987-6-9 5727 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CAS-BOT-BC127365  Agrostis exarata Lowell Ahart 1987-7-3 5765 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC42907  Agrostis exarata Lowell Ahart 1987-7-3 5765 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC70823  Agrostis exarata var. monolepis B. Castro; H. Durio, L. Gehrung 1995-7-24 589 Butte Ca 1.5 air mi S of Hungry Hunt Peak, and 1.5 mi E of Hwy 70, ca 0.2 mi S of 'A' Spur off USFS Rd 22N84. 914 Comment
  CAS-BOT-BC139719  Agrostis gigantea Lowell Ahart 1987-6-9 5731 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC70825  Agrostis pallens B. Castro; H. Durio, L. Gehrung 1995-7-24 588 Butte Ca 1.5 air mi S of Hungry Hunt Peak, and 1.5 mi E of Hwy 70, ca 0.2 mi S on 'A' Spur off USFS Rd 22N84. 914 Comment
  CHSC42402  Agrostis scabra Lowell Ahart 1987-6-9 5727 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  GH341312  Agrostis semiverticillata L. Ahart 1987-5-27 5700 Unknown North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap, Butte County, California 271 Comment
  CAS-BOT-BC138640  Agrostis stolonifera Lowell Ahart 1987-7-3 5773 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC42998  Agrostis stolonifera Lowell Ahart 1987-7-3 5773 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42839  Agrostis viridis Lowell Ahart 1987-5-27 5700 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC138420  Aira caryophyllea Lowell Ahart 1987-5-6 5546 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CAS-BOT-BC138421  Aira caryophyllea Lowell Ahart 1983-4-1 3913 Butte Sierra Nevada. Along edge of old Highway 40, near the end of the road where it runs into Lake Oroville, ca. 4 miles south of Jarbo Gap. 350 Comment
  CHSC39616  Aira caryophyllea Lowell Ahart 1983-4-1 3913 Butte Along the edge of old Highway 40, near the end of the road where it runs into Lake Oroville, about 4 miles south of Jarbo Gap. 350 Comment
  CHSC42838  Aira caryophyllea Lowell Ahart 1987-5-6 5546 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC63546  Aira caryophyllea Vernon H. Oswald 1994-4-14 6106 Butte Old railroad grade along the N. Fork Feather River ca. 0.25 mi W of Stony Creek, E of Poe Powerhouse. 301 Comment
  UC725433  Allium campanulatum A. A. Heller 1938-5-28 15113 Butte 22 mi from Oroville (along the Feather River Highway e side of Jarboe Pass); Feather River Highway, Jarboe Pass 609 Comment
  UC843257  Allium campanulatum A. A. Heller 1938-5-28 15113 Butte 22 mi from Oroville (along Feather River Highway); Feather River Highway 609 Comment
  CAS-BOT-BC135814  Allium jepsonii A. A. Heller 1940-6-5 15703 Butte Jarboe Pass on the Feather River Highway 609 Comment
  CAS-BOT-BC135815  Allium jepsonii Clarence R. Quick 1964-7-9 64 -65 Butte North of Jarbo Gap - Sierra Nevada Comment
  CAS-BOT-BC135816  Allium jepsonii L. P. Janeway 1993-7-2 4423 Butte Along Rd 22N84 0.45 mi west of Stony Creek and 1.45 mi west of Rd 23N28 (the road from Swayne HIll to Big Bar Mtn.) - Plumas National Forest, Oroville Ranger District 926 Comment
  CAS-BOT-BC135817  Allium jepsonii B. Castro 1993-8-3 491 Butte Ca 1 mi S of Big Bar Mtn., 0.5 mi SE of Hungry Hunt Peak, on USFS rd 22N83 ca 0.1 mi W of its jcn with Rd 23N28. 1127 Comment
  CAS-BOT-BC135818  Allium jepsonii B. Castro 1993-7-13 487 Butte Ca 2.5 mi SSW of Big Bar Mtn, on gentle SSE-facing slope on the N side of USFS rd 22N84, on serpentine outcrop which extends for 0.2 mi along the road. 944 Comment
  CAS-BOT-BC135819  Allium jepsonii B. Castro 1993-7-27 488 Butte Ca 2.5 mi SSW of Big Bar Mtn, 1.1 mi W of jcn of USFS rd 22N84 with Rd 23N28, and then S to end of spur road which splits off to the S of USFS Rd 22N84. 950 Comment
  CAS-BOT-BC135821  Allium jepsonii B. Castro 1993-7-27 489 Butte Ca 2.5 mi S of Big Bar Mtn, on SSE-facing slope ca 800 ft along both sides of USFS Rd 22N84, ca 0.3 mi E of its jcn with Rd 23N28. 944 Comment
  CHSC37130  Allium jepsonii M. S. Taylor; R. A. Schlising 1982-6-24 4750 Butte W side of Ponderosa Way (Rim Rd), 0.3 mi n of Jarbo Gap on Hwy 70, ca. 15 air mi n of Oroville. 792 Comment
  CHSC62600  Allium jepsonii B. Castro 1993-7-13 487 Butte Ca. 2.5 mi SSW of Big Bar Mtn, on gentle SSE-facing slope on the N side of USFS rd 22N84. 944 Comment
  CHSC62601  Allium jepsonii B. Castro 1993-7-27 489 Butte Ca. 2.5 mi S of Big Bar Mtn, on SSE-facing slope 800 ft along both sides of USFS rd 22N84, ca 0.3 mi E of its jcn with Rd 23N28. 944 Comment
  CHSC62602  Allium jepsonii B. Castro 1993-8-5 492 Butte On saddle between Big Bar Mtn and Hungry Hunt Peak, on WSW-facing slope below N edge of sharp curve in USFS Rd 23N28. 1133 Comment
  CHSC62603  Allium jepsonii B. Castro 1993-7-27 488 Butte Ca. 2.5 mi SSW of Big Bar Mtn, 1.1 mi W of jcn of USFS Rd 22N84 with Rd 23N28, and then S to end of spur road which splits off to the S of USFS Rd 22N84. 950 Comment
  CHSC62604  Allium jepsonii B. Castro 1993-8-3 491 Butte Ca 1 mi S of Big Bar Mtn, 0.5 mi SE of Hungry Hunt Peak, on USFS Rd 22N83 ca 0.1 mi W of its jcn with Rd 23N28. 1127 Comment
  CHSC74028  Allium jepsonii E. Hubert 1997-7-23 Butte Ca 7 air mi NW of Brush Ck, 0.5 mi E of Hungry Hunt Peak, 50 ft W of USFS Rd 23N28. 1103 Comment
  CHSC94209  Allium jepsonii Lowell Ahart 2006-6-9 12657 Butte On the west side of Bardees Bar Road, north of the small stream, south of the large stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 385 Comment
  JEPS110416  Allium jepsonii Lowell Ahart 2006-6-9 12657 Butte On the west side of Bardees Bar Road, north of the small stream, south of the large stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 385 Comment
  RSA770536  Allium jepsonii S. Mashayekhi, M. Biabani 2010-6-11 SM 061 Butte 0.29 miles north on Andy Mt. Road with its junction of Hwy 70. West side of road. 955 Comment
  CHSC36954  Allium membranaceum R. Schlising; R. Banchero 1980-6-5 3639 Butte N of Lake Oroville along Hwy 70, ca 3 mi S of the Pulga Crossing of Feather River. 640 Comment
  POM252945  Allium membranaceum A. A. Heller 1938-5-28 15113 Butte On wooded slope in leaf mold on Feather River Highway 22 miles from Oroville. 610 Comment
  RSA32794  Allium membranaceum A. A. Heller 1938-5-28 15113 Butte Along the Feather River Highway east side of Jarboe Pass, 22 miles from Oroville. 610 Comment
  CHSC44409  Allophyllum divaricatum Lowell Ahart 1988-5-30 6021 Butte Cliffs, near the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 277 Comment
  CHSC63542  Allophyllum divaricatum Vernon H. Oswald 1994-4-14 6108 Butte Old railroad grade along the N. Fork Feather River just E of Chino Creek, E of Poe Powerhouse. 301 Comment
  CHSC42837  Alopecurus aequalis Lowell Ahart 1987-5-27 5702 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC138170  Alopecurus aequalis var. aequalis Lowell Ahart 1987-5-27 5702 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC42853  Alopecurus geniculatus Lowell Ahart 1987-5-6 5547 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC116126  Amaranthus albus Lowell Ahart 2015-11-7 20615 Butte Strand of Lake Oroville, on the east side of the old highway Alternate 40, about 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 236 Comment
  CHSC42941  Amaranthus albus Lowell Ahart 1987-7-17 5835 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  JEPS124159  Amaranthus albus Lowell Ahart 2015-11-7 20615 Butte About 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  RSA722695  Amaranthus albus Richard Halse 2006-8-2 6981 Butte Chico; in the Lindo Channel Greenway where it crosses under Mangrove Ave. 92 Comment
  CHSC116132  Amaranthus californicus Lowell Ahart 2015-11-7 20616 Butte Strand of Lake Oroville, on the east side of the old highway Alternate 40, about 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 236 Comment
  JEPS124158  Amaranthus californicus Lowell Ahart 2015-11-7 20616 Butte About 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  CHSC42946  Amaranthus powellii Lowell Ahart 1987-7-3 5756 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC51348  Ambrosia acanthicarpa Vernon Oswald; Lowell Ahart 1990-10-11 4459 Butte Dark Canyon arm of Lake Oroville, about 4 miles south of Jarbo Gap. 259 Comment
  CHSC42565  Angelica californica Vernon Oswald 1985-7-15 1902 Butte Ponderosa way (Rim Rd.) 3.1 mi n of Hwy 70 at Jarbo Gap. 853 Comment
  CHSC42566  Angelica californica Vernon Oswald 1985-7-15 1902 Butte Ponderosa Way (Rim Rd.) 3.1 mi n of Hwy 70 at Jarbo Gap. 853 Comment
  CHSC42471  Anthemis cotula Lowell Ahart 1987-5-27 5710 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC39954  Antirrhinum vexillo-calyculatum subsp. intermedium L. Ahart; P. Ahart 1983-6-30 4174 Butte Dark Canyon, along old Hwy 40, ca. 4 mi s of Jarbo Gap, ne of Oroville. 350 Comment
  CHSC42964  Antirrhinum vexillo-calyculatum subsp. intermedium Lowell Ahart 1987-7-3 5787 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC51920  Antirrhinum vexillo-calyculatum subsp. intermedium L. P. Janeway 1987-5-20 2071 Butte Hwy 70 3.5 mi NE of Jarbo Gap. 594 Comment
  CHSC59929  Antirrhinum vexillo-calyculatum subsp. intermedium L. P. Janeway 1992-7-24 4279 Butte Dark Canyon Road 1.0 mi south of Parkhill and Big Bend Road. 512 Comment
  CHSC62772  Antirrhinum vexillo-calyculatum subsp. intermedium J. Jurewicz 1993-7-13 479 Butte Ca 2.5 mi S of Big Bar Mtn, downslope from USFS Rd 22N84, ca 0.3 mi E of its jcn with Rd 23N28. 938 Comment
  JEPS83401  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1986-6-25 537 Butte 2.0 mi s Hwy. 70 on Dark Creek Road (e of Old Yankee Hill, on Dark Creek Road (the old Hwy 70 grade before the creation of Lake Oroville)); Big Bend Mt. Quad. (15', 1948) 441 Comment
  RSA371507  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1986-6-25 537 Butte E of Old Yankee Hill. 2.0 miles S of Hwy. 70 on Dark Creek Road (the old Hwy. 70 grade before the creation of Lake Oroville). 442 Comment
  CHSC32828  Arbutus menziesii W. Michael Foster 1981-4-24 10 Butte Along both sides of Hwy 70, ca. 2 mi NW of Jarbo Gap and ca. 20 mi N of Oroville. 609 Comment
  CHSC88610  Arctostaphylos viscida subsp. viscida Linnea Hanson 1984-3-29 232 Butte Plumas National Forest. On dirt road north of Hwy. 70, at Jarbo Gap. 975 Comment
  CHSC88618  Arctostaphylos viscida subsp. viscida Linnea Hanson 1985-6-21 275 Butte Plumas National Forest. At Jarbo Gap on Hwy. 70. 731 Comment
  CAS-BOT-BC137557  Aristida oligantha John Thomas Howell 1961-9-22 36762 Butte Sierra Nevada. North Fork of Feather River, 10 miles from Oroville. Comment
  CHSC21018  Aristolochia californica M. S. Taylor 1975-4-29 543 Butte S side of Hwy 70, ca. 25 mi ne of Oroville. Comment
  CHSC42852  Arrhenatherum elatius Lowell Ahart 1987-5-27 5719 Butte At the intersection of Big Bend Road and Dark Canyon Road, about 1 mile south of Jarbo Gap. 640 Comment
  CAS-BOT-BC146274  Arrhenatherum elatius var. elatius Lowell Ahart 1987-5-27 5719 Butte At the intersection of Big Bend Road and Dark Canyon Road, about 1 mile south of Jarbo Gap. 640 Comment
  CAS-BOT-BC90284  Artemisia douglasiana Lowell Ahart 1987-7-3 5760 Butte along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 890 Comment
  CHSC42994  Artemisia douglasiana Lowell Ahart 1987-7-3 5760 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC43238  Artemisia douglasiana Lowell Ahart 1987-9-24 5894 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC42753  Artemisia dracunculus Lowell Ahart 1987-8-3 5850 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC43269  Artemisia dracunculus Lowell Ahart 1987-8-30 5861 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  JEPS104737  Asarum hartwegii John L. Morrison 1940-5-19 3163 Butte 5.9 mi from Flea Valley; along Ponderosa Way 900 Comment
  CHSC47067  Asclepias speciosa R. A. Schlising; P. Broyles 1988-7-9 4577 Butte E of Paradise and Magalia, and N of Oroville and Jarbo Gap; along Rim Road. 792 Comment
  CHSC51851  Asclepias speciosa L. P. Janeway 1988-7-2 2976 Butte Along dirt rd 6.0 mi SW of Coyote Gap; ca 1.7 air mi S of Big Bar Mtn. 929 Comment
  CHSC33104  Aspidotis californica M. S. Taylor 1981-5-15 3732 Butte N side of Feather River Hwy 70, at Plumas NF boundary sign, ca. 2 mi ne of Jarbo Gap. 609 Comment
  CAS-BOT-BC65912  Aspidotis densa Clarence R. Quick 1964-7-9 64 -53 Butte north of Jarbo Gap Comment
  CHSC42893  Asyneuma prenanthoides L. P. Janeway 1987-6-13 2192 Butte Along Ponderosa Way (Rim Rd) 2.8 mi NE of Jarbo Gap. 883 Comment
  CAS-BOT-BC68687  Athyrium filix-femina var. californicum Lowell Ahart 1987-6-9 5734 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42387  Athyrium filix-femina var. cyclosorum Lowell Ahart 1987-6-9 5734 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC146177  Avena barbata Lowell Ahart 1987-5-6 5548 Butte Along the road, at the Poe Power House along the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap. 283 Comment
  CHSC42851  Avena barbata Lowell Ahart 1987-5-6 5548 Butte At the Poe Power House along the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 283 Comment
  CHSC42470  Baccharis salicifolia Lowell Ahart 1987-5-6 5498 Butte Along the North Fork of the Feather River, near Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CAS-BOT-BC16376  Barbarea orthoceras Lowell Ahart 1987-5-6 5508 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CAS-BOT-BC16377  Barbarea orthoceras Lowell Ahart 1987-5-6 5565 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC42511  Barbarea orthoceras Lowell Ahart 1987-5-6 5508 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42510  Barbarea verna Lowell Ahart 1987-5-6 5565 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC33725  Berberis aquifolium var. dictyota M. S. Taylor 1981-4-10 3525 Butte S side of private rd, ca. 1/8 mi e of its jct with Ponderosa Way, ca. 4 mi n of Jarbo Gap on Hwy 70. 914 Comment
  CHSC44474  Berberis aquifolium var. dictyota Lowell Ahart 1988-3-27 5942 Butte Along Poe Power House Road, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap. 350 Comment
  CHSC7073  Berberis aquifolium var. dictyota R. B. Watkins 1969-3-31 12 Butte .6 mi e of Jarbo gap, 2yds. S on Forest Service Rd. #23N12. 670 Comment
  CAS-BOT-BC75549  Berberis dictyota Lowell Ahart 1988-3-27 5942 Butte Along Poe Power House Road, about 0.1 mile north of the bridge across the North Fork of the Feather River. 350 Comment
  CHSC42992  Bidens cernua Lowell Ahart 1987-7-17 5824 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC43271  Bidens cernua Lowell Ahart 1987-8-30 5862 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC102082  Bidens frondosa Lowell Ahart 1987-8-30 5863 Butte along the North Fork of the Feather River, near Poe Power House, about 2 miles southeast of Jarbo Gap 271 Comment
  CHSC43272  Bidens frondosa Lowell Ahart 1987-8-30 5863 Butte On sand and gravel bars along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC20522  Boechera sparsiflora M. S. Taylor 1975-4-29 542 Butte On s side of Hwy 70, ca. 25 mi ne of Oroville. Comment
  CAS-BOT-BC145683  Brachypodium distachyon Lowell Ahart 1987-5-9 5604 Butte Along the road near the bridge across the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 304 Comment
  CHSC42850  Brachypodium distachyon Lowell Ahart 1987-5-9 5604 Butte Along the road near the bridge across the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 304 Comment
  CAS-BOT-BC106319  Brickellia californica Lowell Ahart 1987-7-3 5762 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 274 Comment
  CHSC42991  Brickellia californica Lowell Ahart 1987-7-3 5762 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 274 Comment
  CHSC46856  Brodiaea minor R. A. Schlising; P. Broyles 1988-7-9 4575 Butte E of Paradise and Magalia, and N of Oroville and Jarbo Gap; along Rim Road. 792 Comment
  CHSC37710  Brodiaea sierrae M. S. Taylor 1982-6-24 4749 Butte W side of Ponderosa Way (Rim Rd), 0.3 mi n of Jarbo Gap on Hwy 70. 670 Comment
  CHSC46855  Brodiaea sierrae R. A. Schlising; P. Broyles 1988-7-9 4574 Butte E of Paradise and Magalia, and N of Oroville and Jarbo Gap; along Rim Road. 792 Comment
  CHSC51935  Brodiaea sierrae L. P. Janeway 1987-5-20 2070 Butte Above Hwy 70 3.5 mi NE of Jarbo Gap. 594 Comment
  CHSC70820  Brodiaea sierrae B. Castro; H. Durio, L. Gehrung 1995-7-25 593 Butte Ca. 2.5 air mi SSW of Big Bar Mtn, on N side of USFS Rd 22N84. 944 Comment
  JEPS50782  Brodiaea sierrae Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9280 Butte along Feather River Hwy (now CA 70) about 3 1/4 mi n Jarbo Gap (s-facing slope) 609 Comment
  UCD78198  Brodiaea sierrae R. E. Preston 2002-6-7 1810 Butte Ca. 0.8 mi s of Jarbo Gap, along Hwy 70. 650 Comment
  RSA718343  Bromus carinatus L. Ahart 2006-6-9 12643 Butte Along the north side of the service road to Bardes Bar along the North Fork of the Feather River, about 70 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga. 535 Comment
  CHSC93875  Bromus carinatus var. carinatus Lowell Ahart 2006-6-9 12643 Butte Along the north side of the service road to Bardees Bar along the North Fork of the Feather River, about 70 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga. 534 Comment
  JEPS110292  Bromus carinatus var. carinatus Lowell Ahart 2006-6-9 12643 Butte Along the north side of the service road to Bardees Bar along the North Fork of the Feather River, about 70 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga 534 Comment
  CAS-BOT-BC155944  Bromus commutatus Lowell Ahart 1988-5-30 6031 Butte About 1/12 mile north of the bridge across the North Fork of the bridge across the North Fork of the Feather River, along Poe Power House Road, about 2 miles southeast of Jarbo Gap. 335 Comment
  CAS-BOT-BC156074  Bromus diandrus Lowell Ahart 1987-5-6 5549 Butte At the Poe Power House along the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap. 283 Comment
  CHSC42849  Bromus diandrus Lowell Ahart 1987-5-6 5549 Butte Along the road, at the Poe Power House along the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 283 Comment
  CAS-BOT-BC155462  Bromus hordeaceus Lowell Ahart 1987-5-6 5551 Butte At the Poe Power House along the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap. 283 Comment
  CHSC42846  Bromus hordeaceus Lowell Ahart 1987-5-6 5551 Butte Along the road, at the Poe Power House along the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 283 Comment
  CHSC93446  Bromus hordeaceus Lowell Ahart 2006-5-10 12621 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 354 Comment
  JEPS110114  Bromus hordeaceus Lowell Ahart 2006-5-10 12621 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 354 Comment
  RSA712855  Bromus hordeaceus L. Ahart 2006-5-10 12621 Butte on the north side of the poor dirt road, Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 355 Comment
  CHSC44452  Bromus japonicus Lowell Ahart 1988-5-30 6031 Butte About 1/12 mile north of the bridge across the North Fork of the Feather River, along Poe Power House Road, about 2 miles south-east of Jarbo Gap. 335 Comment
  CHSC93794  Bromus laevipes Lowell Ahart 2006-5-19 12631 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 405 Comment
  JEPS110217  Bromus laevipes Lowell Ahart 2006-5-19 12631 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 405 Comment
  RSA712998  Bromus laevipes L. Ahart 2006-5-19 12631 Butte Bardees bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. On the west side of the dirt road 406 Comment
  CAS-BOT-BC162363  Bromus madritensis Lowell Ahart 1987-5-6 5550 Butte Along the road, at the Poe Power House along the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap. 283 Comment
  CAS-BOT-BC162364  Bromus madritensis John Thomas Howell 1961-9-22 36782 Butte Sierra Nevada. Jarbo Gap, Feather River Highway. Comment
  RSA712951  Bromus madritensis L. Ahart 2006-5-10 12622 Butte On the north side of the poor dirt road, Bardees bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Burdees bar, about 2 1/2 miles (air) southwest of Pulga. Comment
  CHSC42847  Bromus madritensis subsp. madritensis Lowell Ahart 1987-5-6 5550 Butte Along the road, at the Poe Power House along the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 283 Comment
  CHSC93449  Bromus madritensis subsp. madritensis Lowell Ahart 2006-5-10 12622 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 354 Comment
  JEPS110237  Bromus madritensis subsp. madritensis Lowell Ahart 2006-5-10 12622 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 354 Comment
  CHSC42845  Bromus madritensis subsp. rubens Lowell Ahart 1987-5-6 5553 Butte Along the road, at the Poe Power House along the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 283 Comment
  CAS-BOT-BC161964  Bromus rubens Lowell Ahart 1987-5-6 5553 Butte At the Poe Power House along the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap. 283 Comment
  CAS-BOT-BC161610  Bromus sterilis Lowell Ahart 1987-5-6 5554 Butte At the Poe Power House along the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap. 283 Comment
  CHSC42862  Bromus sterilis Lowell Ahart 1987-5-6 5554 Butte Along the road, at the Poe Power House along the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 283 Comment
  CAS-BOT-BC161505  Bromus tectorum Lowell Ahart 1987-5-6 5552 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC42861  Bromus tectorum Lowell Ahart 1987-5-6 5552 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC116969  Calochortus albus Danielle Gee 2013-4-27 Butte Dark Canyon Road, about 2.5 miles off Hwy 70. 400 Comment
  CHSC62607  Calochortus superbus B. Castro; J. Jurewicz 1993-7-7 467 Butte Ca 2.5 mi SSW of Big Bar Mtn, on SE-facing slope on the N side of USFS Rd 22N84. 944 Comment
  CHSC116973  Calochortus tolmiei Danielle Gee 2013-4-27 Butte Detlow Road, about 20 yards off Hwy 70, along road cut. 642 Comment
  CHSC12120  Calochortus tolmiei M. F. Smith 1972-4-15 9 Butte On Big Bend Road, 2 1/2 miles south of intersection with highway 70. 457 Comment
  CHSC44529  Calochortus tolmiei Lowell Ahart 1988-3-27 5941 Butte Along Poe Power House Road, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 350 Comment
  CHSC44977  Calochortus tolmiei Pamela A. Mallen 1987-4-15 11 Butte On Bardees Bar Rd., ca. 4 mi ne of Big Bend Rd. and 0.5 mi w of Hwy 70, 18 mi n of Oroville. 499 Comment
  CHSC51943  Calochortus tolmiei J. Marr 1988-3-19 6 Butte 5 ft. on E side of Deadwood Rd, 1/4 mi N from Hwy 70, 20 mi N of Oroville. Comment
  CHSC67733  Calochortus tolmiei James D. Jokerst 1979-4-6 198 Butte 400 ft S of corners of sections. T. C. Hunt property SE of Pulga Rd. Comment
  CHSC9275  Calochortus tolmiei D. C. Burns 1971-4-4 121 Butte Growing on n side of highway 70, ca. 15 yds up a steep bank, ca. 20 mi n of Oroville on highway 70, (30yds. E of Jarbo Gap Cafe). 710 Comment
  CAS-BOT-BC106079  Calycadenia oppositifolia A. A. Heller 1940-6-5 15702 Butte Jarbo Pass on the Feather river Highway east of Oroville 609 Comment
  CAS-BOT-BC106123  Calycadenia oppositifolia Lowell Ahart 1988-5-30 6033 Butte Along Poe Power House Road, about 1/10 mile north of the bridge across teh North Fork of the Feather River, 365 Comment
  CHSC44368  Calycadenia oppositifolia Lowell Ahart 1988-5-30 6033 Butte Along Poe Power House Road, about 1/10 mile north of the Feather River, about 2 miles south-east of Jarbo Gap. 365 Comment
  CHSC45540  Calycadenia oppositifolia 1976-5-28 Butte PG and E power line right-of-way on rd to Miller's Pond, ca 0.5 mi W of Hwy 70 at Rockhouse; 0.5 mi S of Jarbo Gap. 655 Comment
  CHSC62526  Calycadenia oppositifolia B. Castro 1993-7-7 470 Butte Ca 2.5 mi SSW of Big Bar Mtn. On the N side of USFS Rd 22N84. 944 Comment
  RSA255506  Calycadenia oppositifolia Gerald D. Carr 1971-5-23 553 Butte Vicinity of Jarbo Gap, Hwy 70, above turnout to Concow Rd. Comment
  RSA255508  Calycadenia oppositifolia Gerald D. Carr 1971-6-5 558 Butte Vicinity of Jarbo Gap, Hwy 70, above turnout to Concow Rd. Comment
  RSA788197  Calycadenia oppositifolia R. L. Carr 1977-7-5 2029 Butte ca. 15 air mi N of Oroville, Hwy 70 at Pinkston Canyon Rd Jct, ca. 200 yds N on small dirt powerline road, (very near GDC 553, 558). 653 Comment
  UC1876183  Calycadenia oppositifolia Gerald D. Carr 1971-6-5 558 Butte Vic. Jarbo Gap, Hwy 70, above turnout to Concow Rd. Comment
  UC1876185  Calycadenia oppositifolia Gerald D. Carr 1971-5-23 553 Butte Vic. Jarbo Gap, Hwy 70, above turnout to Concow Rd. Comment
  UC1971679  Calycadenia oppositifolia 1977-7-5 2029 Butte ca. 15 air mi N of Oroville, Hwy 70 at Pinkston Canyon Road jct, ca. 200 yds N on small dirt powerline road (very near to GDC 553, 558) 653 Comment
  UC727113  Calycadenia oppositifolia A. A. Heller 1940-6-5 15702 Butte e of, Jarboo Pass on the Feather River Highway Oroville 609 Comment
  UCD129783  Calycadenia oppositifolia Gerald D. Carr 1971-5-23 553 Butte Vic. Jarbo Gay, Hwy 70, above turnout to Concow Road. Comment
  UCD129784  Calycadenia oppositifolia Gerald D. Carr 1971-6-5 558 Butte Vic. Jarbo Gay, Hwy 70, above turnout to Concow Road. Comment
  UC894266  Calycadenia truncata A. A. Heller 1938-6-14 15152 Butte 23 mi from, on Feather River highway Oroville Comment
  UCR88046  Calycadenia truncata subsp. scabrella C. R. Quick 1964-7-9 64- 62 Butte Sierra Nevada Mtns., north of Jarbo Gap Comment
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Oct 10 2010
  POM253181  Calycadenia truncata subsp. truncata A. A. Heller 1938-6-14 15152 Butte 23 miles from Oroville on the Feather River Highway. Comment
  CAS-BOT-BC275381  Calycadenia truncata var. truncata A. A. Heller 1938-6-14 15152 Butte On Highway 24, 23 miles E of Oroville Comment
  CAS-BOT-BC275383  Calycadenia truncata var. truncata John Thomas Howell 1961-9-22 36772 Butte N Fork of Feather RIver, 12 miles from Oroville 213 Comment
  CAS-BOT-BC275388  Calycadenia truncata var. truncata Clarence R. Quick 1964-7-9 64 -62 Butte N of Jarbo Gap Comment
  CAS-BOT-BC275418  Calycadenia truncata var. truncata Lewis S. Rose 1939-6-7 39250 Butte N Fork of Feather River, 3 miles S of Pulga 609 Comment
  CAS-BOT-BC90918  Calycanthus occidentalis Sally Bianco 1995-9-23 1029 Butte Concow area, along unnamed creek that parallels Yellowwood Road. 793 Comment
  CAS-BOT-BC90922  Calycanthus occidentalis A. A. Heller 1938-5-28 15122 Butte 25 miles east of Oroville on Highway #24. Comment
  CHSC93868  Calycanthus occidentalis Lowell Ahart 2006-6-9 12662 Butte On the west side of Bardees Bar Road, at the small stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 385 Comment
  GH376864  Calycanthus occidentalis L. S. Rose 1939-6-7 39238 Unknown 3 mi. s. of Pulga, N. Fork of Feather River 609 Comment
  HSC96983  Calycanthus occidentalis L. Ahart 2006-6-9 12662 Butte W side of Bardees Bar Rd., 1/8 mi. W of the bridge across the N Fork of the Feather River at Bardees Bar, 2.75 mi. SW of Pulga 386 Comment
  JEPS110119  Calycanthus occidentalis Lowell Ahart 2006-6-9 12662 Butte On the west side of Bardees Bar Road, at the small stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 385 Comment
  POM253352  Calycanthus occidentalis A. A. Heller 1938-5-28 15122 Butte Feather River Hwy 25 miles from Oroville. Comment
  CHSC46810  Calystegia occidentalis subsp. occidentalis M. S. Taylor 1982-6-24 4724 Butte E side of Ponderosa Way (Rim Rd), 1.3 mi N of its jct with Hwy 70 at Jarbo Gap. 853 Comment
  CHSC93871  Calystegia occidentalis subsp. occidentalis Lowell Ahart 2006-6-9 12642 Butte On the sides of a dead end side road, north side of the service road to Bardees Bar along the North Fork of the Feather River, about 50 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga. 534 Comment
  JEPS108793  Calystegia occidentalis subsp. occidentalis Lowell Ahart 2006-6-9 12642 Butte On the sides of a dead end side road, north side of the service road to Bardees Bar along the North Fork of the Feather River, about 50 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga 534 Comment
  CHSC44514  Camissonia contorta Lowell Ahart 1988-5-30 6018 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC44515  Camissonia contorta Lowell Ahart 1988-5-30 6019 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42509  Capsella bursa-pastoris Lowell Ahart 1987-5-6 5510 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC42508  Cardamine breweri Lowell Ahart 1987-5-6 5566 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC37374  Cardamine californica A. A. Heller 1919-3-29 13092 Butte Feather River near Yankee Hill. Comment
  JEPS96903  Cardamine californica Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15943 Plumas Feather River Canyon; Hwy 70 2 road miles W of bridge over the river at Pulga; Plumas National Forest 579 Comment
  UCD114501  Cardamine californica R. E. Preston 1982-3-20 188 Butte at sides of Highway 70, 1.4 miles NE of Jarbo Gap, 17 miles NNE of Oroville. 670 Comment
  GH378943  Cardamine californica var. cardiophylla A. A. Heller 1919-3-29 13092 Unknown Feather river near Yankee Hill Comment
  CAS-BOT-BC37885  Cardamine oligosperma Lowell Ahart 1988-3-27 5932 Butte Along the North Fork of the Feather River near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC31096  Cardamine oligosperma Diane M. Reilly 1980-3-21 3 Butte 1/4 mi off Big Bend Rd on old dirt road, ca. 4 mi off Hwy 70, ca. 25 mi e of Chico. 365 Comment
  CHSC33723  Cardamine oligosperma M. S. Taylor 1981-4-5 3498 Butte At end of Dark Canyon Rd near turnout and restroom, up from boat ramp to W Br Feather River, ca. 3.5 mi s of Big Bend Rds jct, ca. 5 air mi s of Jarbo Gap on Hwy 70. 304 Comment
  CHSC44482  Cardamine oligosperma Lowell Ahart 1988-3-27 5932 Butte Along the North Fork of the Feather River near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  UCD114565  Cardamine oligosperma M. S. Taylor 1981-4-5 3498 Butte at end of Dark Canyon Road near Turnout and restroom, up from boat ramp to W Br Feather River, 3.5 miles south of Big Bend Roads junction, 5 air miles south of Jarbo Gap on Highway 70. 304 Comment
  CAS-BOT-BC38056  Cardamine pachystigma LeRoy Ellsworth Detling 1935-4-18 1634 Butte West Fork Feather River, 15 miles north of Oroville. Comment
  CAS-BOT-BC38057  Cardamine pachystigma LeRoy Ellsworth Detling 1935-4-18 1634 Butte West Fork Feather River, 15 miles north of Oroville. Comment
  CAS-BOT-BC38062  Cardamine pachystigma A. A. Heller 1919-3-29 13092 Butte Feather River near Yankee Hill. Comment
  CHSC102187  Cardamine pachystigma George W. Hartwell 2009-3-14 Butte Rim Road, approx. 1.5 miles NW of SR 70 in an area burned by the Butte Lightening Complex wildfire, summer 2008. 885 Comment
  CHSC32646  Cardamine pachystigma M. S. Taylor; L. Hanson 1981-3-16 3415 Butte E side of Ponderosa Way, ca. 300 yds n of its jct with Hwy 70 at Jarbo Gap Fire Station. 731 Comment
  CHSC32654  Cardamine pachystigma M. S. Taylor; L. Hanson 1981-3-31 3452 Butte SE side of spur rd, ca. 3/4 mi n of its jct with Ponderosa Way, ca. 2 mi n of its jct with Hwy 70 at Jarbo Gap, ca. 17 air mi n of Oroville. 822 Comment
  CHSC73757  Cardamine pachystigma B. Castro 1996-3-26 658 Butte Ca 7.5 air mi NW of Brush Creek, 0.6 mi SE of Big Bar Mtn, and 150 ft S of USFS Rd 23N28, at E edge of meadow below Wyman Spring. 1188 Comment
  CHSC82709  Cardamine pachystigma L. P. Janeway; B. Castro 2002-3-27 7456 Butte Northern High Sierra Nevada. North slope of Big Bend Mountain about one third way down to North Fork Feather River; 1.0 km south-southeast of mouth of China Gulch. 652 Comment
  CHSC91981  Cardamine pachystigma LeRoy E. Detling 1935-4-18 1634 Butte 15 miles north of Oroville, North Fork Feather River. Comment
  CHSC33901  Cardamine pachystigma var. dissectifolia M. S. Taylor 1981-5-15 3752 Butte End of spur rd 22N84A, ridge sw of Stony Creek, ca. 2.5 air mi due e of Jarbo Gap on Feather River Hwy 70. 944 Comment
  CHSC82711  Cardamine pachystigma var. pachystigma L. P. Janeway; B. Castro 2002-3-27 7455 Butte Northern High Sierra Nevada. North slope of Big Bend Mountain about half way down to North Fork Feather River; 1.1 km south-east of mouth of China Gulch. Dirt road cutbank and adjacent forest slope. 549 Comment
  CHSC47063  Carex barbarae L. P. Janeway 1989-5-13 3235 Butte Grassy mdw on E side of Concow Reservoir; along Concow Rd 5.2 mi N of Hwy 70. 629 Comment
  CHSC106513  Carex bolanderi Peter F. Zika 2009-6-17 24512 Butte Cascade Range Highlands (CaRH). E side of Concow Road near Clear Creek Ranch, 5 road miles N of Route 70. 620 Comment
  CHSC52252  Carex bolanderi L. P. Janeway 1989-5-11 3233 Butte Along Bardee's Bar Road (Pulga Road) 3.2 mi N of Big Bend Road; in canyon of North Fork Feather River. 518 Comment
  SEINET11125888 Image available Carex bolanderi Unknown 2009-1 24512 Butte Cascade Range Highlands (CaRH). E side on Concow Road near Clear Creek Ranch, 5 road miles N of route 70. Comment
  CHSC52852  Carex densa L. P. Janeway 1987-6-13 2188 Butte At the Crain Mill site, 1.6 mi N on Ponderosa Way (Rim Road) from Jarbo Gap. 883 Comment
  CHSC52856  Carex densa L. P. Janeway 1987-6-8 2181 Butte Seep along dirt road 3.0 mi south of Big Bar Mtn. 1021 Comment
  CHSC106460  Carex feta Peter F. Zika 2009-6-17 24511 Butte Cascade Range Highlands (CaRH). E side of Concow Road near Clear Creek Ranch, 5 road miles N of Route 70. Common in partly shaded seeps. 620 Comment
  CHSC45711  Carex feta L. P. Janeway 1987-6-8 2183 Butte South-draining seep along dirt road, 3.0 mi S of Big Bar Mtn. 1021 Comment
  CHSC42827  Carex hirtissima L. P. Janeway 1987-6-8 2180 Butte 3.0 mi S of Big Bar Mtn via rd. 1021 Comment
  CHSC52867  Carex hirtissima L. P. Janeway 1989-5-13 3239 Butte At the Crain Mill site, 1.6 mi N on Ponderosa Way (Rim Rd) from Jarbo Gap. 883 Comment
  CHSC41352  Carex multicaulis R. A. Schlising; Nancy Prouty 1981-3-14 4000 Butte N of Oroville and N of Jarbo Gap along Hwy 70. Comment
  CHSC42369  Carex multicaulis Lowell Ahart 1987-5-9 5594 Butte Along Pulga Road, about 1/2 mile south-west of Bardees Bar along the North Fork of the Feather River, about 3 miles south-west of Pulga. 365 Comment
  CAS-BOT-BC119565  Carex nudata Lowell Ahart 1987-5-6 5543 Butte Along the N Fork of the Feather River, near the Poe Power House, 271 Comment
  CHSC42384  Carex nudata Lowell Ahart 1987-5-6 5543 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC82977  Carex pellita L. P. Janeway; B. Castro 2002-8-11 7695 Butte Northern High Sierra Nevada. Northwest side of Hwy 70 1.3 km northeast of Jarbo Gap. Roadside. 671 Comment
  CAS-BOT-BC116733  Carex subfusca Lowell Ahart 1987-5-6 5544 Butte Along the North Fork of the Feather River, near the Poe Power House, 271 Comment
  CHSC42555  Carex subfusca Lowell Ahart 1987-5-6 5544 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC47128  Carex tumulicola L. P. Janeway 1989-5-13 3236 Butte Grassy mdw on E side of Concow Reservoir; along Concow Rd 5.2 mi N of Hwy 70. 629 Comment
  CHSC67389  Castilleja affinis James D. Jokerst; R. A. Schlising 1985-4-8 2225 Butte Feather River Serpentine near Hwy. 70 on unnamed road ca. 0.25 mi N of Parkhill Rd., ca. 50 m E of BM 2089. 579 Comment
  CAS-BOT-BC249589  Castilleja applegatei subsp. pinetorum Clarence R. Quick 1964-7-9 64 -58 Butte North of Jarbo Gap Comment
  CAS-BOT-BC249594  Castilleja applegatei subsp. pinetorum L. R. Heckard; J. R. Sweeney 1953-4-27 345 A Butte Feather River Highway about 23 miles N.E. of Oroville 548 Comment
  CHSC114940  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-13 20038 Butte On the east side of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70, about 11 miles (air) north of Oroville. Foothill woodland. 292 Comment
  CHSC114978  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-13 20032 Butte Road cut, on the west side of Rim Road, about 1/4 mile north of Jrbo Gap, about 15 miles (air) north of Oroville. 730 Comment
  CHSC25364  Castilleja applegatei subsp. pinetorum Marc P. Hayes 1977-3-20 1 Butte Ca. 2.6 km nw of Jarbo Gap, 4.1 km ssw of Pulga, 10 m on n side of Hwy 70. 650 Comment
  CHSC34079  Castilleja applegatei subsp. pinetorum M. S. Taylor 1981-4-5 3484 Butte E side of Dark Canyon Rd, 2.2 mi s of its jct with Big Bend jct, ca. 3 air mi s of Jarbo Gap on Hwy 70. 426 Comment
  CHSC37518  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-5-2 4385 Butte N side of Hwy 70, 4.2 mi w of Pulga bridge, ca 19 air mi ne of Oroville. 701 Comment
  CHSC44355  Castilleja applegatei subsp. pinetorum Lowell Ahart 1988-5-1 5978 a Butte Along the North Fork of the Feather River, a little north of the Poe Power House, about 2 miles south-east of Jarbo Gap. 280 Comment
  CHSC44356  Castilleja applegatei subsp. pinetorum Lowell Ahart 1988-5-1 5978 Butte Along the North Fork of the Feather River, a little north of the Poe Power House, about 2 miles south-east of Jarbo Gap. 280 Comment
  CHSC44773  Castilleja applegatei subsp. pinetorum R. Banchero 1980-5-12 152 Butte Along Hwy 70, 1.7 mi N of Jarbo Gap, 3.6 mi SW of the jct of Hwy 70 and the Feather River. 658 Comment
  JEPS124298  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-13 20032 Butte About 1/4 mile north of Jarbo Gap, about 15 miles (air) north of Oroville. Comment
  JEPS3294  Castilleja applegatei subsp. pinetorum L. Heckard and J. R. Sweeney 1953-4-27 345 a Butte 23 mi ne Oroville (Feather River canyon highway) 548 Comment
  JEPS60470  Castilleja applegatei subsp. pinetorum T. I. Chuang and L. Constance 1969-7-2 6709 Butte 8.6 mi sw Arch Rock Tunnel (on Highway 70) Comment
  JEPS80633  Castilleja applegatei subsp. pinetorum M. S. Taylor 1981-4-5 3484 Butte 2.2 mi s Dark Canyon Rd. junction with Big Bend Rd. (e side of Dark Canyon Rd, ca 3 air mi s of Jarbo Gap on Hwy 70); Berry Creek Quad. 426 Comment
  UC1094742  Castilleja applegatei subsp. pinetorum Francia Chisaki 1956-6-1 906 Butte 12.3 mi s Butte-Plumas County lines (on Highway 40 Alt); Feather River Canyon 609 Comment
  UC726497  Castilleja applegatei subsp. pinetorum A. A. Heller 1942-6-5 16498 Butte 3 mi w Pulga Comment
  CAS-BOT-BC255455  Castilleja applegatei var. pinetorum Lowell Ahart 1985-5-15 5005 Butte 1/8 mile east of dirt road, 1 1/2 miles north-east of Concow Res. 800 Comment
  CAS-BOT-BC255456  Castilleja applegatei var. pinetorum Lowell Ahart 1988-5-1 5978 a Butte Along the North Fork of the Feather River a little north of the Poe Power House, about 2 miles south-east of Jarbo Gap 920 Comment
  CAS-BOT-BC255457  Castilleja applegatei var. pinetorum Lowell Ahart 1988-5-1 5978 Butte Along the North Fork of the Feather River a little north of the Poe Power House, about 2 miles south-east of Jarbo Gap 920 Comment
  CHSC44359  Castilleja attenuata Lowell Ahart 1988-3-27 5945 Butte Along Poe Power House Road, about 1/2 mile north-west of the Poe Power House, about 1 1/2 miles south-east of Jarbo Gap. 426 Comment
  CHSC46798  Ceanothus diversifolius R. A. Schlising; P. Broyles 1988-7-9 4576 Butte E of Paradise and Magalia, and N of Oroville and Jarboe Gap; along Rim road. 792 Comment
  CAS-BOT-BC50824  Ceanothus integerrimus Lowell Ahart 1987-5-6 5535 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC32834  Ceanothus integerrimus W. Michael Foster 1981-4-24 9 Butte Along both sides of Hwy 70, ca. 2 mi nw of Jarbo Gap and ca. 20 n of Oroville. 609 Comment
  UCD111992  Ceanothus integerrimus Ray Prag 1970-7-2 s.n. Butte Highway 70, at Jarboe Gap. 701 Comment
  CHSC64651  Ceanothus lemmonii H. H. Schmidt; M. Merello, L. Woodruff 1993-6-15 862 Butte Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70. 880 Comment
  CHSC93860  Centaurea melitensis Lowell Ahart 2006-6-9 12659 Butte On the north side of Bardees Bar Road, north of the small stream, on the east side of the large stream, about 1/8 mile northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 385 Comment
  HSC97161  Centaurea melitensis L. Ahart 2006-6-9 12659 Butte On N side of Bardees Bar Rd., ca. 1/8 mi. NW of the poor bridge across the N Fork of the Feather River at Bardees Bar, about 2 3/4 mi. SW of Pulga 386 Comment
  JEPS108984  Centaurea melitensis Lowell Ahart 2006-6-9 12659 Butte On the north side of Bardees Bar Road, north of the small stream, on the east side of the large stream, about 1/8 mile northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 385 Comment
  RSA718333  Centaurea melitensis L. Ahart 2006-6-9 12659 Butte North side of Bardees Bar Road, north of the small stream, on the east side of the large stream, about 1/8 mile northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2.75 air miles southwest of Pulga 386 Comment
  CHSC42710  Centaurium tenuiflorum Lowell Ahart 1987-6-9 5744 Butte On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC62110  Centaurium tenuiflorum L. P. Janeway 1993-7-2 4424 A Butte Plumas National Forest. Along Rd 22N84 0.45 mi west of Stony Creek and 1.45 mi west of Rd 23N28 (the road from Swaybe Hill to Big Bar Mtn). 926 Comment
  CAS-BOT-BC222896  Cephalanthus occidentalis John Thomas Howell 1961-9-22 36764 Butte North Fork of Feather River, 10 miles from Oroville Comment
  CAS-BOT-BC222897  Cephalanthus occidentalis Lowell Ahart 1987-7-17 5828 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42972  Cephalanthus occidentalis var. californicus Lowell Ahart 1987-7-17 5828 Butte Near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  SD149106  Cephalanthus occidentalis var. californicus Lowell Ahart 1987-7-17 5828 Butte Edge of the North Fork of the Feather River, near the Poe Power House, ca. 2 mi. SE of Jarbo Gap 890 Comment
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Jan 9 2013
  CHSC116136  Cerastium glomeratum Lowell Ahart 2015-11-7 20633 Butte On the bottom of Grizzly Creek, flows into Dark Canyon, about 1/8 mile southwest of the parking area at the end of old highway Alternate 40, strand of Lake Oroville, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 231 Comment
  CHSC42959  Cerastium glomeratum Lowell Ahart 1987-7-3 5771 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC137003  Cercocarpus betuloides var. betuloides Lowell Ahart 1987-7-3 5748 Butte Along the edge of Poe Power House Road, about 1 mile north-west of the Poe Power House, about 1 mile south-east of Jarbo Gap 548 Comment
  CHSC42976  Cercocarpus betuloides var. betuloides Lowell Ahart 1987-7-3 5748 Butte Along the edge of Poe Power House Road, about 1 mile north-west of the Poe Power House, about 1 mile south-east of Jarbo Gap. 548 Comment
  CHSC42957  Chamaesyce maculata Lowell Ahart 1987-7-3 5781 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42958  Chamaesyce nutans Lowell Ahart 1987-7-3 5772 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC51365  Chamaesyce serpillifolia subsp. serpillifolia Vernon Oswald; Lowell Ahart 1990-10-11 4457 Butte Dark Canyon arm of Lake Oroville, about 4 miles south of Jarbo Gap. On the edge of the ramp road below the high-water line of the lake. 265 Comment
  CHSC42499  Chenopodium album Lowell Ahart 1987-6-9 5726 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42961  Chenopodium berlandieri Lowell Ahart 1987-7-3 5761 Butte On the gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42911  Cicuta douglasii Lowell Ahart 1987-7-17 5838 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south- east of Jarbo Gap. 274 Comment
  CHSC51362  Citrullus colocynthis var. lanatus Vernon Oswald; Lowell Ahart 1990-10-11 4458 Butte Dark Canyon arm of Lake Oroville, about 4 miles south of Jarbo Gap. 259 Comment
  UC1586571  Citrullus colocynthis var. lanatus Vernon H. Oswald and Lowell Ahart 1990-10-11 4458 Butte about 4 mi s of Jarbo Gap (Dark Canyon arm of Lake Oroville); Lake Oroville 259 Comment
  CAS-BOT-BC164132  Clarkia concinna A. A. Heller 1938-5-28 15114 Butte Along Highway #24, 22 miles east of Oroville Comment
  CAS-BOT-BC164136  Clarkia concinna Lowell Ahart 1987-5-9 5602 Butte Along Pulga Road, about 2 miles south-west of Bardees Bar along the North Fork of the Feather River, about 4 1/2 miles south-west of Pulga 365 Comment
  CHSC35135  Clarkia concinna subsp. concinna R. Schlising; R. Banchero 1980-6-5 3640 Butte N of Oroville along Hwy 70, ca 3 miles S of Pulga crossing of the Feather River. 640 Comment
  CHSC42366  Clarkia concinna subsp. concinna Lowell Ahart 1987-5-9 5602 Butte Along Pulga Road, about 2 miles south-west of Bardees Bar along the North Fork of the Feather River, about 4 1/2 miles south-west of Pulga. 365 Comment
  CHSC56759  Clarkia concinna subsp. concinna L. P. Janeway 1991-6-1 3988 Butte Cut-bank of Dark Canyon Road 3.6 mi south of Big Bend/Parkhill. 280 Comment
  CHSC62767  Clarkia concinna subsp. concinna L. P. Janeway 1993-6-16 4390 Butte Plumas National Forest. Upper east-facing slopes of North Fork Feather River canyon; along Hwy 70 1.3 mi northeast of Jarbo Gap. Road cut-bank. 670 Comment
  CHSC93793  Clarkia concinna subsp. concinna Lowell Ahart 2006-5-19 12636 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 405 Comment
  JEPS108862  Clarkia concinna subsp. concinna Lowell Ahart 2006-5-19 12636 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 405 Comment
  POM253251  Clarkia concinna subsp. concinna A. A. Heller 1938-5-28 15114 Butte On wooded slope in leaf mold on Feather River Highway 22 miles from Oroville. 610 Comment
  RSA32817  Clarkia concinna subsp. concinna A. A. Heller 1938-5-28 15114 Butte On wooded slope in leaf mold on Feather River Highway 22 miles from Oroville. 610 Comment
  RSA712993  Clarkia concinna subsp. concinna L. Ahart 2006-5-19 12636 Butte On the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 406 Comment
  UC725459  Clarkia concinna subsp. concinna A. A. Heller 1938-5-28 15114 Butte 22 mi from Oroville (on the Feather River Highway, just e of Jarboe Pass) 609 Comment
  CAS-BOT-BC164523  Clarkia gracilis subsp. albicaulis Lowell Ahart 1987-5-9 5605 Butte Near the bridge across the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 304 Comment
  CAS-BOT-BC164524  Clarkia gracilis subsp. albicaulis R. W. Thorp 1963-7-1 63 -47 Butte Jarbo Pass, 6.2 miles northeast Comment
  CHSC42365  Clarkia gracilis subsp. albicaulis Lowell Ahart 1987-5-9 5605 Butte On roadcuts near the bridge across the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 304 Comment
  CHSC88629  Clarkia gracilis subsp. albicaulis Linnea Hanson 1994-6-13 349 Butte Plumas National Forest. Poe Power House Road. 365 Comment
  CHSC88643  Clarkia gracilis subsp. albicaulis Linnea Hanson 1994-6-13 361 Butte Plumas National Forest. Poe Power House Road. 365 Comment
  CAS-BOT-BC163261  Clarkia mildrediae subsp. lutescens L. P. Janeway 1993-7-2 4426 Butte 1.3 mi south-southwest of Hungry Hunt Peak; along Road 22N84 2.6 mi from Rd 23N28 993 Comment
  CAS-BOT-BC163262  Clarkia mildrediae subsp. lutescens L. P. Janeway 1993-7-2 4421 Butte Chino Ridge, 200 ft southeast of Chino Creek along Road 23N28, 4.6 mi north or Road 22N34 804 Comment
  CAS-BOT-BC163266  Clarkia mildrediae subsp. lutescens Lowell Ahart 1983-6-30 4176 Butte Along the road, south-east of Concow Res. 500 Comment
  CHSC39033  Clarkia mildrediae subsp. lutescens Lowell Ahart 1983-6-30 4176 Butte Concow Reservoir, E of Paradise and N of Oroville; SE of the Reservoir, along the road. 500 Comment
  CHSC71143  Clarkia mildrediae subsp. lutescens L. P. Janeway 1993-7-2 4426 Butte 1.3 mi south-southwest of Hungry Hunt Peak; along Road 22N84 2.6 mi from Rd 23N28. South-facing road cutbank. 993 Comment
  UC1732064  Clarkia mildrediae subsp. lutescens L. P. Janeway 1993-7-2 4422 Butte along Road 23N28 0.2 mi S of Last Chance Creek, 6.2 mi NW of Road 22N34 807 Comment
  CAS-BOT-BC163275  Clarkia mildrediae subsp. mildrediae Lowell Ahart 1988-6-21 6051 Butte Near the North Fork of the Feather River, at the Poe Power House, about 2 miles south-east of Jarbo Gap 277 Comment
  CHSC44635  Clarkia mildrediae subsp. mildrediae Lowell Ahart 1988-6-21 6051 Butte Near the North Fork of the Feather River, at the Poe Power House, about 2 miles south-east of Jarbo Gap. 277 Comment
  CAS-BOT-BC163354  Clarkia mosquinii L. P. Janeway 1995-7-7 4835 Butte Along Hwy 70 1.9 mi northeast of Jarbo Gap. Southeast-facing road cutbank through steep mid-slope of North Fork Feather River canyon 649 Comment
  CHSC64113  Clarkia mosquinii L. P. Janeway 1994-6-17 4668 Butte Along Poe Powerhouse Road 0.9 mi east of Bardees Bar Road; west side of canyon of North Fork Feather River. Southeast-facing road cutbank. 499 Comment
  CHSC65575  Clarkia mosquinii L. P. Janeway 1995-7-7 4835 Butte Along Hwy 70 1.9 mi northeast of Jarbo Gap. Southeast-facing road cutbank through mid-slope of North Fork Feather River canyon. 649 Comment
  CHSC65576  Clarkia mosquinii L. P. Janeway 1995-7-7 4834 Butte Along Hwy 70 1.3 mi northeast of Jarbo Gap. Southeast-facing road cutbank through mid-slope of North Fork Feather River canyon. 655 Comment
  CHSC82697  Clarkia mosquinii L. P. Janeway 2002-6-22 7605 Butte Northern High Sierra Nevada. Along Bardee's Bar Road 1.3 km north of Big Bend Road; about 1/2 way between Jarbo Gap and North Fork Feather River. Burned area. 655 Comment
  CHSC82715  Clarkia mosquinii L. P. Janeway 2002-6-22 7604 Butte Northern High Sierra Nevada. Along Dark Canyon Road 1.5 km south of Big Bend Road. Burned area. 509 Comment
  JEPS102944  Clarkia mosquinii L. P. Janeway 2002-6-22 7605 Butte Northern High Sierra Nevada. Along Bardee's Bar Road 1.3 km north of Big Bend Road; about 1/2 way between Jarbo Gap and North Fork Feather River. Burned area 655 Comment
  JEPS102945  Clarkia mosquinii L. P. Janeway 2002-6-22 7604 Butte Northern High Sierra Nevada. Along Dark Canyon Road 1.5 km south of Big Bend Road. Burned area 509 Comment
  UCD169420  Clarkia mosquinii L. P. Janeway 2002-6-22 7605 Butte Northern High Sierra Nevada. Along Bardee's Bar Road 1.3 km north of Big Bend Road; about 1/2 way between Jarbo Gap and North Fork Feather River. 655 Comment
  UC1606714  Clarkia mosquinii subsp. mosquinii L. P. Janeway 1995-7-7 4834 Butte along Highway 70 1.3 mi ne of Jarbo Gap (North Fork Feather River canyon); , Highway 70 655 Comment
  UC725303  Clarkia purpurea A. A. Heller 1937-5-31 Butte Yankee Hill Comment
  CHSC64326  Clarkia purpurea subsp. quadrivulnera H. H. Schmidt; M. Merello, L. Woodruff 1993-6-15 866 Butte Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70. 880 Comment
  CAS-BOT-BC172377  Clarkia purpurea subsp. viminea L. P. Janeway 1991-6-1 3987 Butte Northwest-facing cut-bank of Dark Canyon Road 3.35 mi south of Big Bend Road/Parkhill 304 Comment
  CAS-BOT-BC172378  Clarkia purpurea subsp. viminea L. P. Janeway 1991-6-1 3981 Butte Road-shoulder/top-of-fill of Dark Canyon Road 1.0 mi south of Big Bend Road/Parkhill 512 Comment
  CHSC56556  Clarkia purpurea subsp. viminea L. P. Janeway 1991-6-1 3987 Butte Northwest-facing cut-bank of Dark Canyon Road 3.35 mi south of Big Bend Road/Parkhill. 304 Comment
  CHSC56557  Clarkia purpurea subsp. viminea L. P. Janeway 1991-6-1 3981 Butte Road-shoulder/top-of-fill of Dark Canyon Road 1.0 mi south of Big Bend Road/Parkhill. 512 Comment
  CAS-BOT-BC164794  Clarkia rhomboidea L. P. Janeway 1991-6-1 3983 Butte West-facing cut-bank of Dark Canyon Road 2.4 mi south of Big Bend Road/Parkhill 396 Comment
  CAS-BOT-BC164796  Clarkia rhomboidea L. P. Janeway 1991-6-1 3985 Butte Northwest-facing cut-bank of Dark Canyon Road 3.3 mi south of Big Bend Road/Parkhill 304 Comment
  CHSC59110  Clarkia rhomboidea L. P. Janeway 1987-5-7 2029 Butte Along Dark Canyon Road 1.0 mi south of Big Bend Road/Parkhill. Southwest-facing road-cut. 512 Comment
  CHSC59111  Clarkia rhomboidea L. P. Janeway 1991-6-1 3976 Butte East-facing cut-bank of Dark Canyon Road 0.3 mi south of Big Bend Road/Parkhill. Near canyon bottom. 573 Comment
  CHSC59112  Clarkia rhomboidea L. P. Janeway 1991-6-1 3977 Butte East-facing cut-bank of Dark Canyon Road 0.4 mi south of Big Bend Road/Parkhill. Near canyon bottom. 560 Comment
  CHSC59113  Clarkia rhomboidea L. P. Janeway 1991-6-1 3978 Butte West-facing cut-bank of Dark Canyon Road 0.6 mi south of Big Bend Road/Parkhill. Mid-slope of canyon. 542 Comment
  CHSC59114  Clarkia rhomboidea L. P. Janeway 1991-6-1 3979 Butte West-facing cut-bank of Dark Canyon Road 0.9 mi south of Big Bend Road/Parkhill. 512 Comment
  CHSC59115  Clarkia rhomboidea L. P. Janeway 1991-6-1 3980 Butte Southwest-facing cut-bank of Dark Canyon Road 1.0 mi south of Big Bend Road/Parkhill. 512 Comment
  CHSC59116  Clarkia rhomboidea L. P. Janeway 1991-6-1 3983 Butte West-facing cut-bank of Dark Canyon Road 2.4 mi south of Big Bend Road/Parkhill. 396 Comment
  CHSC59117  Clarkia rhomboidea L. P. Janeway 1991-6-1 3982 Butte West-facing cut-bank of Dark Canyon Road 1.45 mi south of Big Bend Road/Parkhill. Mid-slope of canyon. 472 Comment
  CHSC59118  Clarkia rhomboidea L. P. Janeway 1991-6-1 3985 Butte Northwest-facing cut-bank of Dark Canyon Road 3.3 mi south of Big Bend Road/Parkhill. 304 Comment
  CHSC70747  Clarkia rhomboidea L. P. Janeway 1993-6-16 4389 Butte Upper slopes, east-facing, in North Fork Feather River; along Hwy 70 1.1-1.3 mi northeast of Jarbo Gap. 670 Comment
  CAS-BOT-BC165439  Clarkia unguiculata L. P. Janeway 1991-6-1 3986 Butte Northwest-facing cut-bank of Dark Canyon Road 3.35 mi south of Big Bend Road/Parkhill 304 Comment
  CHSC39353  Clarkia unguiculata Lowell Ahart 1983-6-30 4170 Butte On the road cut-banks along old Highway 40, near the rest area, and near where the road runs into Lake Oroville, about 4 miles south of Jarbo Gap. 350 Comment
  CHSC56559  Clarkia unguiculata L. P. Janeway 1991-6-1 3986 Butte Northwest-facing cut-bank of Dark Canyon Road 3.35 mi south of Big Bend Road/Parkhill. 304 Comment
  CAS-BOT-BC439109  Claytonia exigua subsp. exigua A. A. Heller 1919-3-29 13094 Butte Feather River near Yankee Hill Comment
  CAS-BOT-BC439110  Claytonia exigua subsp. exigua A. A. Heller 1919-3-29 13094 Butte Feather River near Yankee Hill Comment
  CHSC34766  Claytonia parviflora subsp. grandiflora Diane M. Reilly 1980-4-11 4 Butte 20 ft e of creek, ca. 1/2 mi s on dirt road off Big Bend Rd, ca. 2 mi se of Hwy 70, ca. 27 mi n of Oroville. 621 Comment
  CAS-BOT-BC439425  Claytonia parviflora subsp. parviflora Lowell Ahart 1988-3-27 5937 Butte Along the North Fork of the Feather River, a little north of the Poe Power House, about 2 miles south-east of Jarbo Gap 274 Comment
  CAS-BOT-BC439427  Claytonia parviflora subsp. parviflora Lowell Ahart 1987-5-6 5572 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 274 Comment
  CHSC33587  Claytonia parviflora subsp. parviflora M. S. Taylor 1981-4-28 3562 Butte Shady rd embankment, e side of rd 23N28.2 (Big Bar Rd), ca. 0.1 mi n of its jct with 22N84, ca. 1.4 mi w of Chino Creek, ca. 23 air mi nw of Oroville. 944 Comment
  CHSC33724  Claytonia parviflora subsp. parviflora M. S. Taylor 1981-4-5 3499 Butte At end of Dark Canyon Rd near turnout and restroom, up from boat ramp to W Br Feather River, ca. 3.5 mi s of Big Bend Rds jct, ca. 5 air mi s of Jarbo Gap on Hwy 70. 304 Comment
  CHSC44341  Claytonia parviflora subsp. parviflora Lowell Ahart 1988-3-27 5937 Butte Along the North fork of the Feather River, a little north of the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CAS-BOT-BC443705  Claytonia rubra Lowell Ahart 1987-5-6 5534 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC32639  Claytonia rubra subsp. rubra M. S. Taylor 1981-3-31 3449 Butte Se side of spur rd, ca. 3/4 mi n of its jct with Ponderosa Way, ca. 2 mi n of its jct with Hwy 70 at Jarbo Gap, ca. 17 air mi n of Oroville. 822 Comment
  CHSC33589  Claytonia rubra subsp. rubra M. S. Taylor 1981-4-28 3564 Butte N side of rd 23N28.2 in loop of rd, ca. 1.2 mi w of Chino Creek, ca. 4 air mi e of Jarbo Gap on Hwy 70, ca 23 air mi nw of Oroville. 929 Comment
  CAS-BOT-BC91347  Clematis lasiantha Lowell Ahart 1988-3-27 5946 Butte Along Poe Power House Road, about 0.5 mile northwest of the Poe Power House, about 1.5 mile southeast of Jarbo Gap. 426 Comment
  CAS-BOT-BC91348  Clematis lasiantha Lowell Ahart 1987-5-9 5587 Butte Along Pulga Road, about 0.25 mile W of Bardees Bar along the North Fork of the Feather River, ca. 2.5 miles SW of Pulga. 365 Comment
  CAS-BOT-BC91354  Clematis lasiantha Lewis S. Rose 1963-6-2 63073 Butte 9 miles south of Pulga. North Fork of Feather River. 579 Comment
  CHSC42491  Clematis lasiantha Lowell Ahart 1987-5-9 5587 Butte Near a wash, along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga. 365 Comment
  CHSC44344  Clematis lasiantha Lowell Ahart 1988-3-27 5946 Butte Along Poe Power House Road, about 1/2 mile north-west of the Poe Power House, about 1 1/2 miles south-east of Jarbo Gap. 426 Comment
  CAS-BOT-BC92579  Clematis ligusticifolia Lowell Ahart 1987-7-3 5753 Butte At the Poe Power House, near the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap. 280 Comment
  CHSC42975  Clematis ligusticifolia Lowell Ahart 1987-7-3 5753 Butte At the Poe Power House, near the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 280 Comment
  CHSC44775  Collinsia tinctoria R. Banchero 1980-6-5 186 Butte At the jct of Hwy 70 and Pinkston Canyon Rd, ca 6.4 mi SW of the jct of the Feather River and Hwy 70. 633 Comment
  CHSC60614  Collinsia tinctoria L. P. Janeway 1992-6-13 4233 Butte East side of Dark Canyon and Dark Canyon Road ca 1 1/4 mi south of Parkhill and Big Bend Road. Ca 200 ft east of Dark Canyon Road. 464 Comment
  CHSC93857  Collinsia tinctoria Lowell Ahart 2006-6-9 12654 Butte On the west side of Bardees Bar Road, north of the small stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 385 Comment
  HSC97025  Collinsia tinctoria L. Ahart 2006-6-9 12654 Butte W side of Bardees Bar Rd., N of small stream, 1/8 mi. W of bridge across N Fork of the Feather River at Bardees Bar, 2.75 mi. SW of Pulga 386 Comment
  JEPS108719  Collinsia tinctoria Lowell Ahart 2006-6-9 12654 Butte On the west side of Bardees Bar Road, north of the small stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 385 Comment
  JEPS24250  Collinsia tinctoria Helen-Mar Beard 1960-6-20 Butte 150 yds upstream lower boundary sign of Plumas National Forest (along US Hwy 40-A, at base of grade from Jarbo Gap, not far from Big Bar); Feather River Canyon 426 Comment
  POM252812  Collinsia tinctoria A. A. Heller 1938-5-28 15119 Butte On the Feather River Highway 23 miles from Oroville. Comment
  UC726287  Collinsia tinctoria A. A. Heller 1938-5-28 15119 Butte on the Feather River Highway 23 mi from Oroville; Feather River Highway Comment
  UC885592  Collinsia tinctoria A. A. Heller 1938-5-28 15119 Butte on the Feather River Highway 23 mi from Oroville (e of Marysville); Feather River Highway Comment
  CHSC33794  Collomia heterophylla M. S. Taylor 1981-4-28 3563 Butte N side of rd 23N28.2, in loop in rd, ca. 1.2 mi w of Chino Creek, ca. 4 air mi e of Jarbo Gap on Hwy 70. 929 Comment
  CHSC42554  Collomia heterophylla Lowell Ahart 1987-5-6 5533 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC44412  Collomia heterophylla Lowell Ahart 1988-5-30 6023 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC180389  Comandra umbellata subsp. californica John Thomas Howell 1961-9-22 s.n. Butte N Fork of Feather River, 10 mi from Oroville. Sierra Nevada Comment
  UC1122922  Conium maculatum G. E. Sindel 1934-5-8 71 Glenn 2/10 mi e of Monroeville Island 38 Comment
  CAS-BOT-BC286065  Conyza canadensis Lowell Ahart 1987-7-17 5836 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CDA21754  Conyza canadensis L. Ahart 2000-11-4 8716 Butte On the east side of Highway 70, just north of Rich Gulch Road, about 1 mile north of the West Branch Bridge across Lake Oroville, about 5 miles (air) southeast of Paradise. Comment
  JEPS102543  Conyza canadensis Lowell Ahart 2000-11-4 8716 Butte Just north of Rich Gulch Road, about 1 mile north of the West Branch Bridge across Lake Oroville, about 5 miles (air) SE of Paradise. 335 Comment
  CHSC62587  Cordylanthus tenuis subsp. tenuis B. Castro 1993-8-5 494 Butte On saddle between Big Bar Mtn and Hungry Hunt Peak, abundant along road edges of sharp curve in USFS Rd 23N28. 1133 Comment
  CHSC32750  Cornus nuttallii M. S. Taylor 1981-4-14 3531 Butte N side of Ponderosa Way (Rim Rd.), ca. 2 mi n of Jarbo Gap on Hwy 70, ca. 20 air mi n of Oroville. 883 Comment
  CHSC39619  Cotula australis Lowell Ahart 1983-4-1 3916 Butte Along the edge of old Highway 40, near the water fountain, near the end of the road where it runs into Lake Oroville, about 4 miles south of Jarbo Gap. 350 Comment
  CHSC42487  Crassula tillaea Lowell Ahart 1987-5-6 5521 Butte Near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC36841  Crepis pleurocarpa M. S. Taylor 1982-6-24 4722 Butte On roadcut, w side of Ponderosa Way (Rim Rd), under PGE lines, 1.1 mi n of its jct with Hwy 70 at Jarbo Gap. 853 Comment
  CHSC116134  Croton setiger Lowell Ahart 2015-11-7 20620 Butte Strand of Lake Oroville, on the east side of the old highway Alternate 40, about 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 236 Comment
  JEPS124152  Croton setiger Lowell Ahart 2015-11-7 20620 Butte About 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  CHSC42433  Crucianella angustifolia Lowell Ahart 1987-5-9 5578 Butte About 1/4 mile west of Bardees Bar along the North fork of the Feather River, about 2 1/2 miles south-west of Pulga. 365 Comment
  CHSC93872  Crucianella angustifolia Lowell Ahart 2006-6-9 12645 Butte On the south side of the service road to Bardees Bar along the North Fork of the Feather River, about 1/8 mile east of Highway 70, about 2 3/4 miles (air) southwest of Pulga. 435 Comment
  JEPS110271  Crucianella angustifolia Lowell Ahart 2006-6-9 12645 Butte On the south side of the service road to Bardees Bar along the North Fork of the Feather River, about 1/8 mile east of Highway 70, about 2 3/4 miles (air) southwest of Pulga 435 Comment
  RSA718311  Crucianella angustifolia L. Ahart 2006-6-9 12645 Butte On the S side of the service road to Bardees Bar along the N Fork of the Feather River. About 1/8 mile E of Hwy 70. About 2.75 miles (air) SW of Pulga. 436 Comment
  CAS-BOT-BC189242  Cryptantha Lowell Ahart 1987-5-6 5507 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap 274 Comment
  UCR244659  Cryptantha J. T. Howell, H. K. Wagnon 1980-5-26 53576 Butte Sierra Nevada Mtns., Feather River Canyon Highway, 2.4 miles southwest of Pulga Bridge 598 Comment
  CHSC42516  Cryptantha intermedia Lowell Ahart 1987-5-9 5577 Butte Along Pulga Road, about 1/4 mi west of Bardees Bar along the North Fork of the Feather River. about 2 1/2 miles south-west of Pulga. 365 Comment
  CHSC42696  Cryptantha intermedia Lowell Ahart 1987-5-6 5573 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC93864  Cryptantha intermedia Lowell Ahart 2006-6-9 12656 Butte On the north side of Bardees Bar Road, east of the large stream, about 1/10 mile north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 354 Comment
  HSC96916  Cryptantha intermedia L. Ahart 2006-6-9 12656 Butte N side of Bardees Bar Rd., E of the large stream, about 1/10 mi. N of the bridge across the N Fork of the Feather River at Bardees Bar, about 2.75 mi. SW of Pulga 355 Comment
  JEPS108983  Cryptantha intermedia Lowell Ahart 2006-6-9 12656 Butte On the north side of Bardees Bar Road, east of the large stream, about 1/10 mile north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 354 Comment
  POM252793  Cryptantha intermedia A. A. Heller 1938-5-28 15121 Butte 23 miles from Oroville on the Feather River Highway. Comment
  RSA32911  Cryptantha intermedia A. A. Heller 1938-5-28 15121 Butte 23 miles from Oroville on the Feather River Highway. Comment
  RSA718310  Cryptantha intermedia L. Ahart 2006-6-9 12656 Butte On the north side of Bardees Bar Road, east of the large stream, about 1/10 mile north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 355 Comment
  POM304533  Cryptantha milobakeri L. S. Rose 1939-6-7 39246 Butte North Fork of Feather River. 3 mi S of Pulga. 610 Comment
  SBBG28777  Cryptantha milobakeri L. S. Rose 1939-6-7 39246 Butte N Fork of Feather River, 3 mi S of Pulga 609 Comment
  UC726305  Cryptantha muricata A. A. Heller 1938-5-28 15121 Butte 23 mi from Oroville (on the Feather Highway) Comment
  CHSC42956  Cuscuta subinclusa Lowell Ahart 1987-7-3 5749 Butte Along the edge of Poe Power House Road, about 1 mile north-west of the Poe Power House, about 1 mile south-east of Jarbo Gap. 548 Comment
  CAS-BOT-BC190391  Cynosurus echinatus John Thomas Howell 1961-9-22 36760 Butte Sierra Nevada. North Fork of Feather River 10 miles from Oroville. 304 Comment
  CAS-BOT-BC190393  Cynosurus echinatus Lowell Ahart 1987-5-6 5555 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC42360  Cynosurus echinatus Lowell Ahart 1987-5-6 5555 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC114705  Cyperus bipartitus Lowell Ahart 1987-8-30 5865 Butte Along the North Fork of the Feather River, near the Poe Power House, 271 Comment
  CAS-BOT-BC114605  Cyperus eragrostis Lowell Ahart 1987-7-17 5833 Butte On a sand bar along the North Fork of the Feather River, 271 Comment
  CHSC42934  Cyperus eragrostis Lowell Ahart 1987-7-17 5833 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC45752  Cyperus eragrostis L. P. Janeway 1987-6-13 2190 Butte At the Crain Mill site, 1.6 mi N on Ponderosa Way (Rim Rd) from Jarbo Gap. 883 Comment
  CHSC43283  Cyperus flavescens Lowell Ahart 1987-8-30 5865 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42900  Cyperus niger Lowell Ahart 1987-7-3 5767 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC114076  Cyperus squarrosus Lowell Ahart 1987-7-3 5774 Butte Along the North Fork of the Feather River, near the Poe Power house, 271 Comment
  CHSC42935  Cyperus squarrosus Lowell Ahart 1987-7-3 5774 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC114201  Cyperus strigosus Lowell Ahart 1987-9-24 5901 Butte Along the North Fork of the Feather River, near the Poe Power House, 271 Comment
  CAS-BOT-BC114202  Cyperus strigosus Lowell Ahart 1987-9-24 5900 Butte Along the North Fork of the Feather River, near the Poe Power House, 271 Comment
  CAS-BOT-BC114203  Cyperus strigosus Lowell Ahart 1987-7-17 5832 Butte Along the North Fork of the Feather River, near the Poe Power House, 271 Comment
  CHSC116137  Cyperus strigosus Lowell Ahart 2015-11-7 20632 Butte On the bottom of Grizzly Creek, flows into Dark Canyon, about 1/8 mile southwest of the parking area at the end of old highway Alternate 40, strand of Lake Oroville, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 231 Comment
  CHSC42899  Cyperus strigosus Lowell Ahart 1987-7-17 5832 Butte Sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC43293  Cyperus strigosus Lowell Ahart 1987-9-24 5900 Butte Sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  NY621805  Cypripedium californicum L. Ahart 1987-6-9 5729 Butte This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CHSC116121  Datura stramonium var. stramonium Lowell Ahart 2015-11-7 20621 Butte Strand of Lake Oroville, on the east side of the old highway Alternate 40, about 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 236 Comment
  JEPS124151  Datura stramonium var. stramonium Lowell Ahart 2015-11-7 20621 Butte About 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  CHSC42478  Daucus pusillus Lowell Ahart 1987-5-6 5568 Butte Along the road, at the Poe Power House along the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 283 Comment
  CHSC24638  Delphinium gracilentum Keith Lickey 1976-4-21 89 Butte Old hwy 70 ca 500 m n of Big Bend Road at deadend, and 30 m s of Hwy 70. 609 Comment
  CHSC67379  Delphinium patens subsp. patens James D. Jokerst; R. A. Schlising 1985-4-8 2224 Butte Above Hwy. 70 2.3 mi SW of Pulga Rd. 609 Comment
  CHSC101116  Dendromecon rigida Zachary Garcia 2008-4-8 Butte Dark Canyon Rd. 591 Comment
  CHSC116972  Dendromecon rigida Danielle Gee 2013-4-27 Butte Dark Canyon Road, about 0.5 mile off Hwy 70 572 Comment
  CHSC45024  Dendromecon rigida J. Marr 1988-3-18 8 Butte On n side of Concow Rd, 4 mi. from Hwy 70, 18 mi n of Oroville. 365 Comment
  POM253323  Dendromecon rigida A. A. Heller 1938-6-14 15150 Butte Along the Feather River Highway near Yankee Hill Road about 20 miles from Oroville Comment
  SBBG29993  Dendromecon rigida A. A. Heller 1938-6-14 105 Butte Feather River Hwy, about 1 mi W of Jarboe Gap 609 Comment
  UC726213  Dendromecon rigida A. A. Heller 1938-6-14 15150 Butte along the Feather River Hwy about 1 mi w Jarboe Pass (about 20 mi from Oroville) 609 Comment
  CAS-BOT-BC192651  Deschampsia danthonioides Lowell Ahart 1987-5-6 5556 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 274 Comment
  CAS-BOT-BC192653  Deschampsia danthonioides Lowell Ahart 1988-5-30 6024 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42359  Deschampsia danthonioides Lowell Ahart 1987-5-6 5556 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC44453  Deschampsia danthonioides Lowell Ahart 1988-5-30 6024 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC201749  Deschampsia elongata Lowell Ahart 1987-7-17 5822 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42914  Deschampsia elongata Lowell Ahart 1987-7-17 5822 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC39955  Dianthus armeria L. Ahart; P. Ahart 1983-6-30 4173 Butte Dark Canyon, along old Hwy 40, ca. 4 mi s of Jarbo Gap, ne of Oroville. Near the water fountain. 350 Comment
  CHSC30975  Dichelostemma capitatum subsp. capitatum Diane M. Reilly 1980-4-11 6 Butte 10 ft e of creek, ca. 1/2 mi n on drt road off Big Bend Rd, ca. 5 m se of Hwy 70, ca. 27 mi n of Oroville. 719 Comment
  CHSC32721  Dichelostemma capitatum subsp. capitatum M. S. Taylor 1981-4-8 3488 Butte E side of Dark Canyon Rd, 2.2 mi s of its jct with Big Bend Rds Jct, ca. 3 air mi s of Harbo Gap on Hwy 70. 426 Comment
  CHSC56817  Dichelostemma capitatum subsp. capitatum Cynthia D. Seaman 1980-4-11 4 Butte 10 ft e of creek, ca. 1/2 mi n on dirt road off Big Bend Rd, ca. 5 mi se of Hwy 70, ca. 27 mi n of Oroville. 719 Comment
  CHSC44519  Dichelostemma congestum Lowell Ahart 1988-5-1 5979 Butte On damp red soil, on the west side of the Poe Power House Road, about 1/2 mile north of the Poe Power House, about 2 miles southeast of Jarbo Gap, Butte County, California. 396 Comment
  CHSC44434  Dichelostemma volubile Lowell Ahart 1988-5-30 6017 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 277 Comment
  CHSC43279  Digitaria ischaemum Lowell Ahart 1987-8-30 5858 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC43280  Digitaria ischaemum Lowell Ahart 1987-8-30 5870 Butte Road gutter, along Highway 70, about 1/8 mile west of Big Bend Road, about 1 1/2 miles south-west of Jarbo Gap. 655 Comment
  CAS-BOT-BC209037  Digitaria sanguinalis Lowell Ahart 1987-7-3 5763 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CAS-BOT-BC209041  Digitaria sanguinalis Lowell Ahart 1987-8-30 5858 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42912  Digitaria sanguinalis Lowell Ahart 1987-7-3 5763 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC32743  Diplacus grandiflorus M. S. Taylor 1981-4-8 3481 Butte E side of Dark Canyon Rd, 2.2 mi s of its jct with Big Bend Rds jct, ca. 3 air mi s of Jarbo Gap on Hwy 70. 426 Comment
  CHSC44762  Diplacus grandiflorus R. Banchero 1980-5-12 151 Butte Along Hwy 70, 1.7 mi N of Jarbo Gap, 3.6 mi SW of the jct of Hwy 70 and the Feather River. 658 Comment
  CHSC55416  Diplacus grandiflorus Ben Cunningham 1991-4-20 Butte Ca. 4.5 mi s of Pulga and 10 ft w of Highway 70, 52 mi s of Greenville. 609 Comment
  CHSC14058  Diplacus kelloggii J. Moore 1974-5-7 Butte Collected ca. 1 mi n of Jarboe Gap, on Hwy 70, n of Oroville. Comment
  CHSC33721  Diplacus kelloggii M. S. Taylor 1981-4-5 3485 Butte E side of Dark Canyon Rd, 2.2 mi s of its jct with Big Bend Rds, ca. 3 air mi s of Jarbo Gap on Hwy 70. 426 Comment
  CHSC44357  Diplacus kelloggii Lowell Ahart 1988-3-27 5944 Butte On a very deep road cut along Poe Power House Road, about 1/2 miles north-west of the Poe Power House, about 1 1/2 miles south-east of Jarbo Gap. 426 Comment
  CHSC44665  Diplacus kelloggii R. Banchero 1980-5-12 154 Butte Along Hwy 70, 2.4 mi S of its jct with the Feather River. 609 Comment
  CHSC44761  Diplacus kelloggii R. Banchero 1980-5-12 150 Butte Along Hwy 70, 1.7 mi N of Jarbo Gap, 3.6 mi SW of the jct of Hwy 70 and the Feather River. 658 Comment
  CHSC44805  Diplacus kelloggii R. Banchero 1980-6-5 187 Butte At the jct of Hwy 70 and Pinkston Canyon Rd, ca 6.4 mi SW of the jct of the Feather River and Hwy 70. 633 Comment
  CHSC67392  Diplacus kelloggii James D. Jokerst; R. A. Schlising 1985-4-8 2220 Butte Above Hwy. 70 2.3 mi SE of Pulga Rd. 609 Comment
  CHSC42968  Diplacus torreyi Lowell Ahart 1987-7-3 5764 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC109355  Dittrichia graveolens T. M. Hanson 2012-10-17 Butte Northern Sierra Nevada. On the west shoulder of Bardees Bar Road approximately 0.5 road km northeast of intersection of Bardees Bar and Big Bend Roads. 657 Comment
  CHSC31341  Dodecatheon hendersonii Diane M. Reilly 1980-3-21 2 Butte NW slope ca. 1/2 mi n on dirt road, ca. 2 mi off Hwy 70, ca. 25 mi e of Chico. 518 Comment
  CAS-BOT-BC41347  Draba verna Lowell Ahart 1983-4-1 3914 Butte About 4 miles south of Jarbo Gap. Along the edge of old Highway 40. 350 Comment
  CAS-BOT-BC41350  Draba verna Lowell Ahart 1988-3-27 5931 Butte Along the North Fork of the Feather River near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC39617  Draba verna var. aestivalis Lowell Ahart 1983-4-1 3914 Butte Along the edge of old Highway 40, near the end of the road where it runs into Lake Oroville, about 4 miles south of Jarbo Gap. 350 Comment
  CHSC44483  Draba verna var. aestivalis Lowell Ahart 1988-3-27 5931 Butte Along the North Fork of the Feather River near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC70852  Dryopteris arguta Lowell Ahart 1987-7-3 5751 Butte along the edge of Poe Power House Road, about 1 mile northwest, about 1 mile southeast of Jarbo Gap 487 Comment
  CHSC39351  Dryopteris arguta Lowell Ahart 1983-6-30 4171 Butte Along old Highway 40, near the water fountain, about 4 miles south of Jarbo Gap, Section 11. 350 Comment
  CHSC42954  Dryopteris arguta Lowell Ahart 1987-7-3 5751 Butte Along the edge of Power House Road, about 1 mile north-west of the Poe Power House, about 1 mile south-east of Jarbo Gap. 487 Comment
  CHSC92383  Dryopteris arguta Lowell Ahart 2005-11-12 12481 Butte Bank of a wash, about 90 yards northeast of the large parking area by the gate, end of Dark Canyon Road, about 3 miles (air) south of Highway 70 at Big Bend Road. 327 Comment
  CHSC93796  Dryopteris arguta Lowell Ahart 2006-5-19 12634 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 405 Comment
  CHSC99551  Dryopteris arguta L. P. Janeway 2008-6-22 9420 Butte Northern Sierra Nevada Foothills. Canyon draining on east side of Dark Canyon Road 90 m north of the gate to the boat ramp into Lake Oroville. North-facing slope. 294 Comment
  JEPS108136  Dryopteris arguta Lowell Ahart 2005-11-12 12481 Butte Bank of a wash, about 90 yards northeast of the large parking area by the gate, end of Dark Canyon Road, about 3 miles (air) south of Highway 70 at Big Bend Road 327 Comment
  JEPS110220  Dryopteris arguta Lowell Ahart 2006-5-19 12634 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 405 Comment
  RSA712997  Dryopteris arguta L. Ahart 2006-5-19 12634 Butte On the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 406 Comment
  RSA713017  Dryopteris arguta L. Ahart 2005-11-12 12481 Butte 90 yards northeast of large parking area by the gate. end of Dark Canyon Road, about 3 miles south of Highway 70 at big Bend Road. 327 Comment
  CHSC101118  Dudleya cymosa Zachary Garcia 2008-4-8 Butte Dark Canyon Rd. 591 Comment
  CHSC116970  Dudleya cymosa Danielle Gee 2013-4-27 Butte Dark Canyon Rd., about 2.25 miles off Hwy 70. 428 Comment
  CHSC33894  Dudleya cymosa M. S. Taylor 1981-5-15 3735 Butte N side of Feather River Hwy 70, at Plumas NF boundary, ca. 2 mi ne of Jarbo Gap. 609 Comment
  CHSC42960  Dysphania ambrosioides Lowell Ahart 1987-7-3 5755 Butte Along the North Fork of the Feather River, near Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC116127  Dysphania botrys Lowell Ahart 2015-11-7 20617 Butte Strand of Lake Oroville, on the east side of the old highway Alternate 40, about 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 236 Comment
  CHSC116129  Dysphania botrys Lowell Ahart 2015-11-7 20617 A Butte Strand of Lake Oroville, on the east side of the old highway Alternate 40, about 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 236 Comment
  CHSC42731  Dysphania botrys Lowell Ahart 1987-5-27 5712 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42962  Dysphania botrys Lowell Ahart 1987-7-17 5831 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  JEPS124155  Dysphania botrys Lowell Ahart 2015-11-7 20617 Butte About 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  JEPS124156  Dysphania botrys Lowell Ahart 2015-11-7 20617 -A Butte About 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  CHSC116128  Dysphania pumilio Lowell Ahart 2015-11-7 20618 Butte Strand of Lake Oroville, on the east side of the old highway Alternate 40, about 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 236 Comment
  CHSC42963  Dysphania pumilio Lowell Ahart 1987-7-17 5834 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  JEPS124153  Dysphania pumilio Lowell Ahart 2015-11-7 20618 Butte About 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  CAS-BOT-BC197098  Echinochloa crus-galli John Thomas Howell 1951-6-26 27519 Butte Big Bend Mt. 609 Comment
  CHSC42908  Echinochloa crus-galli Lowell Ahart 1987-7-3 5757 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42921  Echinochloa crus-galli Lowell Ahart 1987-7-3 5758 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC197251  Echinochloa muricata Lowell Ahart 1987-7-3 5758 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC74724  Eleocharis B. Castro; L. Gehrung 1998-7-2 797 Butte Ca 6 air mi NW of Brush Creek, ca 1 mi SE of Hungry Hunt Peak, ca 50 ft N of USFS Rd 23N28 as it loops around a drainage. 1021 Comment
  CAS-BOT-BC113453  Eleocharis bella Lowell Ahart 1987-5-27 5694 Butte Along the North Fork of the Feather River, near the Poe Power House, ca. 2 mi SE of Jarbo Gap. 271 Comment
  CHSC42383  Eleocharis bella Lowell Ahart 1987-5-27 5694 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC68425  Eleocharis bolanderi L. P. Janeway 1988-7-2 2974 Butte South slope of Big Bar Mountain, along road 5.5 mi southwest of Coyote Gap. 1188 Comment
  CHSC42715  Eleocharis engelmannii Lowell Ahart 1987-6-9 5724 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC451515  Elodea canadensis Lowell Ahart 1988-5-30 6020 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC44441  Elodea canadensis Lowell Ahart 1988-5-30 6020 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC221629  Elymus arizonicus Lowell Ahart 1988-6-21 6052 Butte Along Poe Power House Road, about 1/2 mile north of the Poe Power House, about 1 1/2 miles south-east of Jarbo Gap 365 Comment
  CHSC44454  Elymus glaucus Lowell Ahart 1988-5-30 6015 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC44534  Elymus glaucus Lowell Ahart 1988-6-21 6052 Butte Along Poe Power House Road, about 1/2 mile north of the Poe Power House, about 1 1/2 miles south-east of Jarbo Gap. 365 Comment
  CAS-BOT-BC203418  Elymus glaucus subsp. glaucus Lowell Ahart 1988-5-30 6015 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 274 Comment
  CAS-BOT-BC203430  Elymus glaucus subsp. glaucus John Thomas Howell 1951-6-26 27517 Butte Big Bend Mt. 609 Comment
  CHSC110479  Elymus multisetus P. Reisentz 1979-5-13 Butte Along roadside on State Highway 70, 9 miles south of Butte-Plumas County line. Comment
  RSA786286  Elymus multisetus P. Reisentz 1979-5-13 s.n. Butte On State Highway 70, 9 miles south of Butte- Plumas County Line Comment
  CHSC42951  Elymus trachycaulus subsp. subsecundus Lowell Ahart 1987-7-3 5789 Butte On a gravel bar, along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC45041  Elymus trachycaulus subsp. subsecundus Lowell Ahart 1987-9-24 5902 Butte On a gravel bar, along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC409189  Enemion occidentale A. A. Heller 1919-3-29 13093 Butte Feather river near Yankee Hill Comment
  CAS-BOT-BC409191  Enemion occidentale A. A. Heller 1919-3-29 13093 Butte Feather river near Yankee Hill Comment
  CAS-BOT-BC409192  Enemion occidentale A. A. Heller 1919-3-29 13093 Butte Feather river near Yankee Hill Comment
  CAS-BOT-BC165894  Epilobium John Thomas Howell 1961-9-22 36767 Butte North Fork of Feather River, 10 miles from Oroville Comment
  CAS-BOT-BC166843  Epilobium canum subsp. latifolium Lowell Ahart 1987-8-3 5851 Butte Near the bridge across the North Fork of the Feather River, about 1/4 mile north of the Poe Power House, about 2 miles south-east of Jarbo Gap 289 Comment
  CHSC42760  Epilobium canum subsp. latifolium Lowell Ahart 1987-8-3 5851 Butte Near the bridge across the North Fork of the Feather River, about 1/4 mile north of the Poe Power House, about 2 miles south-east of Jarbo Gap. 289 Comment
  CHSC42362  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1987-5-27 5704 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42363  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1987-5-6 5574 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC44411  Epilobium densiflorum Lowell Ahart 1988-6-21 6048 Butte In a depression near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC35152  Epilobium minutum R. A. Schlising 1980-5-23 3598 Butte N of Lake Oroville State Recreation Area, along Pulga Road, 0.6 mi n of its junction with Big Bend Road. Comment
  CHSC42361  Epilobium minutum Lowell Ahart 1987-5-6 5530 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC93455  Epilobium minutum Lowell Ahart 2006-5-10 12623 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 385 Comment
  JEPS108857  Epilobium minutum Lowell Ahart 2006-5-10 12623 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 385 Comment
  CHSC42397  Epipactis gigantea Lowell Ahart 1987-6-9 5729 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CAS-BOT-BC57993  Equisetum arvense Lowell Ahart 1987-8-3 5847 Butte Along the N. Fork of the Feather River, near the Poe Power House, about 2 mi. se. of Jarbo Gap. 271 Comment
  CHSC42750  Equisetum arvense Lowell Ahart 1987-8-3 5847 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC57856  Equisetum hyemale subsp. affine Lowell Ahart 1987-5-27 5713 Butte Along the N. Fork of the Feather River, near the Poe Power House, about 2 mi. se. of Jarbo Gap. 271 Comment
  CHSC42507  Equisetum laevigatum Lowell Ahart 1987-5-27 5713 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42768  Eragrostis cilianensis Lowell Ahart 1987-8-3 5845 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC51376  Eragrostis hypnoides Vernon Oswald; Lowell Ahart 1990-10-11 4462 Butte Dark Canyon arm of Lake Oroville, about 4 miles south of Jarbo Gap. On the bed of Dark Creek, below the high water line of the lake. 243 Comment
  CHSC42375  Eragrostis pectinacea var. pectinacea Lowell Ahart 1987-5-27 5697 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC278504  Eragrostis pilosa Lowell Ahart 1987-5-27 5697 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC35051  Eremogone cliftonii R. A. Schlising; R. Banchero 1980-5-12 3588 Butte Along North Fork of Feather River, 1.3 miles NE of Poe Power Dam and 2.9 miles S of Arch Rock along Hwy 70; roadside. 560 Comment
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Jul 8 2014
  CHSC43241  Erigeron bonariensis Lowell Ahart 1987-9-24 5897 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42990  Erigeron canadensis Lowell Ahart 1987-7-17 5836 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42467  Erigeron divergens Lowell Ahart 1987-5-6 5499 Butte Along the North Fork of the Feather River, near Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC85443  Erigeron petrophilus var. sierrensis R. D. Fischer; Jenny Marr 2003-11-23 14 Butte Sierra Nevada foothills, west of Hwy 70 between Jarbo Gap and Pulga, on logging rd U30 off Rim Rd out of Jarbo Gap. 853 Comment
  CAS-BOT-BC295951  Erigeron philadelphicus Lowell Ahart 1987-6-9 5741 Butte On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42392  Erigeron philadelphicus Lowell Ahart 1987-6-9 5741 Butte On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC259397  Eriogonum luteolum Lowell Ahart 1988-8-10 6171 Butte Along Poe Power House Road, about 1 mile north-west of the Poe Power House, about 1 mile south-east of Jarbo Gap 487 Comment
  CHSC45099  Eriogonum luteolum Lowell Ahart 1988-8-10 6171 Butte On a large road cut along Poe Power House Road, about 1 mile north-west of the Poe Power House, about 1 mile south-east of Jarbo Gap. 487 Comment
  CHSC39135  Eriogonum nudum var. oblongifolium R. A. Schlising; K. Tarp 1982-7-28 4355 Butte Plumas Natl. Forest, sw of Coyote Gap and s of Big Bar Mt. 868 Comment
  RSA722692  Eriogonum roseum Richard Halse 2006-8-2 6984 Butte Chico; in the Lindo Channel Greenway where it crosses under Mangrove Ave. 92 Comment
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Jan 26 2017
  CHSC41367  Eriogonum umbellatum var. ahartii R. A. Schlising; K. Tarp 1983-7-28 4354 Butte NE part of county, SW of Coyote Gap and S of Big Bar Mt. 868 Comment
  CHSC94921  Eriogonum umbellatum var. ahartii L. P. Janeway 2006-7-11 8813 Butte Northern High Sierra Nevada. High in canyon of North Fork Feather River along Hwy 70 0.5 km northwest of Bardee's Bar. Serpentine outcrop road cut bank; southeast-facing. 579 Comment
  HSC96691  Eriogonum umbellatum var. ahartii L. P. Janeway 2006-7-11 8813 Butte N high Sierra Nevada, high in canyon of N Fork Feather River, along Hwy. 70, 0.5 km. NW of Bardee's Bar 579 Comment
  JEPS94981  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-9-6 7893 Butte about 2 mi ne of Concow Reservoir (on w side of Concow Road); w side of Concow Road 701 Comment
  RSA718778  Eriogonum umbellatum var. ahartii L. P. Janeway 2006-7-11 8813 Butte Northern High Sierra Nevada. High in canyon of north Fork Feather River, along Hwy 70 0.5 km northwest of Bardee's Bar. Serpentinr outcrop road cut bank; southeast-facing 579 Comment
  CAS-BOT-BC262208  Eriogonum ursinum A. A. Heller 1938-5-28 15116 Butte 23 miles east of Oroville on Highway #24 Comment
  RSA31981  Eriogonum ursinum A. A. Heller 1938-5-28 15116 Butte Feather River Hwy, 23 miles from Oroville Comment
  UC726280  Eriogonum ursinum A. A. Heller 1938-5-28 15116 Butte 23 mi from Oroville (along the Feather River Highway e of Jarboe Pass) Comment
  UC849667  Eriogonum ursinum A. A. Heller 1938-5-28 15116 Butte along Feather River Highway 23 mi from Oroville Comment
  CHSC42490  Eriogonum ursinum var. ursinum Lowell Ahart 1987-5-27 5717 Butte Road cut along Poe Power House Road, about 3/4 mile north-west of the Poe Power House, about 1 1/2 miles south-east of Jarbo Gap. 365 Comment
  CHSC73976  Eriogonum ursinum var. ursinum B. Castro; L. Gehrung 1998-7-2 801 Butte Ca y air mi NW of Brush Creek, ca 0.5 mi E of Hungry Hunt Peak, ca 200 ft W of USFS Rd 23N28. 1091 Comment
  CHSC51896  Eriogonum vimineum L. P. Janeway 1987-6-13 2193 Butte Saddle along Ponderosa Way (Rim Rd) 3.4 mi NE of Jarbo Gap. 841 Comment
  CAS-BOT-BC308080  Eriophyllum lanatum var. achilleoides Clarence R. Quick 1964-7-9 64 -51 Butte North of Jarbo Gap, Sierra Nevada Comment
  CHSC73931  Eriophyllum lanatum var. croceum B. Castro; L. Gehrung 1998-7-16 809 Butte Ca 7.5 air mi NW of Brush Creek, ca 0.7 mi SE of Big Bar Mtn, on N edge of USFS Rd 22N73X/76X, ca 0.35 E of its jcn with the main road (USFS Rd 23N28). In bed of old logging road. 1194 Comment
  CAS-BOT-BC308147  Eriophyllum lanatum var. grandiflorum Lowell Ahart 1985-5-15 4997 Butte 1/8 mile east of the dirt road 1 1/2 miles north-east of Concow Res. 800 Comment
  RSA302657  Eriophyllum lanatum var. grandiflorum J. R. Shevock 1972-5-19 1765 Butte Highway 70, north of Lake Oroville. 91 Comment
  RSA302658  Eriophyllum lanatum var. grandiflorum J. R. Shevock 1972-5-19 1781 Butte Hwy 70, Feather River Canyon. 610 Comment
  CHSC44508  Erodium cicutarium Lowell Ahart 1988-3-27 5933 Butte Along the dirt road, west of the Poe Power House, east of the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 274 Comment
  CAS-BOT-BC40750  Erysimum capitatum Lowell Ahart 1987-5-9 5589 Butte Along Pulga Road, about 0.25 mile west of Bardees Bar along the North Fork of the Feather River. 365 Comment
  CAS-BOT-BC54683  Erysimum capitatum Lewis S. Rose 1939-6-7 39241 Yuba North Fork of Feather River. 3 miles south of Pulga. 609 Comment
  CHSC10770  Erysimum capitatum var. capitatum Lowell Ahart 1970-5-19 Butte Along Deadwood Road, off Highway 70. 914 Comment
  CHSC21019  Erysimum capitatum var. capitatum M. S. Taylor 1975-4-29 544 Butte On s side of Hwy 70, ca. 25 mi ne of Oroville. Comment
  CHSC9287  Erysimum capitatum var. capitatum D. C. Burns 1971-4-3 116 Butte At base of cliff, ca. 3.5 mi e of Jarbo, (2.5 mi w of 1st bridge that crosses the n fork of the Feather River). 609 Comment
  UCD67352  Erysimum capitatum var. capitatum D. Dubbe 1974-4-26 6 -2 Butte Feather River Canyon, 5 mi S of Poe Power Dam, along hwy 70. Canyon bottom; mixed evergreen forest, with Acer macrophyllum; sandy gravel soil; full sun. Scattered plants along road side. Perennial herb, ca. 6 inches high. 609 Comment
  CHSC42717  Erythranthe cardinalis Lowell Ahart 1987-6-9 5723 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC153575  Erythranthe floribunda Lowell Ahart 1987-7-3 5786 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC44684  Erythranthe glaucescens R. Banchero 1980-5-12 155 Butte Along Hwy 70, 2.4 mi S of its jct with the Feather River. 609 Comment
  CHSC93508  Erythranthe glaucescens Lowell Ahart 2006-5-10 12614 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 354 Comment
  CHSC44819  Erythranthe guttata R. Banchero 1980-5-23 163 Butte Along Surcease Mine Rd 0.2 mi S of its jct with Bunker Mine Rd. 694 Comment
  CHSC42716  Erythranthe microphylla Lowell Ahart 1987-6-9 5735 Butte On a sand bar on the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
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Jun 25 2013
  CHSC32741  Erythronium multiscapideum M. S. Taylor 1981-4-14 3533 Butte S side of Ponderosa Way (Rim Rd), ca. 2 mi n of Jarbo Gap on Hwy 70, ca. 20 air mi n of Oroville. 883 Comment
  CHSC32742  Erythronium multiscapideum M. S. Taylor; L. Hanson 1981-4-10 3526 Butte S side of Private rd, ca. 1/8 mi e of its jct with Ponderosa Way (Rim Rd), ca. 4 mi n of Jarbo Gap on Hwy 70, ca. 19 air mi n of Oroville. 914 Comment
  CHSC44308  Eschscholzia caespitosa Lowell Ahart 1988-3-27 5938 Butte West of the deep road cut, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 1/4 mile north of the Poe Power House, about 2 miles south-east of Jarbo Gab. 335 Comment
  CHSC25348  Euphorbia crenulata Marc P. Hayes 1977-4-22 18 Butte Ca. 2 km nw of Jarbo Gap, ca. 11 km w of Paradise. Forest, along Hwy 70, ca. 20 m n of Rd. 660 Comment
  CAS-BOT-BC310672  Euthamia occidentalis Lowell Ahart 1987-8-3 5844 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42756  Euthamia occidentalis Lowell Ahart 1987-8-3 5844 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC109356  Fallopia japonica T. M. Hanson; Melanie Williams 2012-10-11 Butte Northern Sierra Nevada. Plumas National Forest; on the southwest side of the North Fork Feather River 200 m southwest of Bardees Bar. 328 Comment
  CHSC109357  Fallopia japonica T. M. Hanson 2012-10-17 Butte Northern Sierra Nevada. Plumas National Forest; on the southwest side of the North Fork Feather River 200 m southwest of Bardees Bar. 328 Comment
  CHSC93657  Festuca Lowell Ahart 2006-5-19 12635 A Butte On the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 405 Comment
  CHSC93854  Festuca Lowell Ahart 2006-5-19 12635 Butte Road gutter, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 405 Comment
  JEPS110142  Festuca Lowell Ahart 2006-5-19 12635 A Butte On the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 405 Comment
  CHSC93484  Festuca californica subsp. californica Lowell Ahart 2006-5-10 12626 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 405 Comment
  JEPS110240  Festuca californica var. californica Lowell Ahart 2006-5-10 12626 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 405 Comment
  RSA712991  Festuca californica var. californica L. Ahart 2006-5-10 12626 Butte On the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 406 Comment
  CHSC89028  Festuca idahoensis A. Peterson 2003-5-6 77 Butte Southeast of Chico, Hwy 70 road shoulder, about 2 1/2 miles sw of bridge over north fork of Feather River. 609 Comment
  UCR177719  Festuca microstachys var. ciliata Lowell Ahart 2006-5-10 12619 Butte north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2.5 miles (air) southwest of Pulga 355 Comment
  CHSC42521  Festuca subulata Lowell Ahart 1987-5-9 5595 Butte Along Pulga Road, about 1/2 mile south-west of Bardees Bar along the North Fork of the Feather River, about 3 miles south-west of Pulga. 365 Comment
  CHSC74046  Festuca subulata B. Castro; L. Gehrung 1998-7-2 801 A Butte Ca 7 air mi NW of Brush Creek, ca 0.5 mi E of Hungry Hunt Peak, on W edge of USFS Rd 23N28. 1091 Comment
  CHSC74164  Festuca subulata B. Castro; L. Gehrung 1998-7-2 798 Butte Ca 6 air mi NW of Brush Creek, ca 1 mi SE of Hungry Hunt Peak, ca 50 ft N of USFS Rd 23N28 as it loops around a drainage. 1021 Comment
  CAS-BOT-BC62945  Frangula californica subsp. tomentella Lowell Ahart 1987-5-9 5586 Butte Along Pulga Road, about 1/4 mi. w. of Bardees Bar along the North Fork of the Feather River, about 2.5 mi. sw. of Pulga. 365 Comment
  CHSC62580  Frangula rubra B. Castro 1993-7-7 471 Butte Ca 2.5 mi SSW of Big Bar Mtn, on gentle SE-facing slope on the N side of USFSRd 22N84, at uphill edges of serpentine outcrop among grasses. 960 Comment
  CAS-BOT-BC223474  Fraxinus latifolia Lowell Ahart 1987-8-3 5849 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 274 Comment
  CHSC42761  Fraxinus latifolia Lowell Ahart 1987-8-3 5849 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CAS-BOT-BC130319  Fritillaria eastwoodiae A. A. Heller 1922-4-23 13618 Butte On the Feather River crossing near Yankee Hill Comment
  CHSC9265  Fritillaria eastwoodiae D. C. Burns 1971-4-4 122 Butte Growing on n side of highway 70, ca. 10 yds. Up a steep bank, ca. 20 mi n of Oroville on highway 70, (30 yds. E of Jarbo Gap Cafe). 710 Comment
  CHSC42432  Galium aparine Lowell Ahart 1987-5-9 5579 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga. 365 Comment
  CHSC93865  Galium bolanderi Lowell Ahart 2006-6-9 12661 Butte On the east side of Bardees Bar Road, north of the small stream, south of the large stream, about 1/8 mile northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 385 Comment
  HSC97151  Galium bolanderi L. Ahart 2006-6-9 12661 Butte E side of Bardees Bar Rd. 1/8 mile W of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) SW of Pulga 386 Comment
  JEPS108981  Galium bolanderi Lowell Ahart 2006-6-9 12661 Butte On the east side of Bardees Bar Road, north of the small stream, south of the large stream, about 1/8 mile northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 385 Comment
  CHSC42431  Galium parisiense Lowell Ahart 1987-5-6 5537 Butte At the Poe Power House that is along the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 283 Comment
  CHSC93858  Galium parisiense Lowell Ahart 2006-6-9 12651 Butte On the east side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 403 Comment
  JEPS110290  Galium parisiense Lowell Ahart 2006-6-9 12651 Butte On the east side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 403 Comment
  RSA718331  Galium parisiense L. Ahart 2006-6-9 12651 Butte On the E side of Bardees Bar Road. S of the small stream. About 1/4 mile SW of the poor bridge across the North Fork of the Feather River at Bardees Bar. About 2.75 miles (air) SW of Pulga. 404 Comment
  CHSC48886  Galium sparsiflorum subsp. glabrius Vernon Oswald; M. S. Taylor 1985-5-30 1793 Butte Rim Rd. (Ponderosa Way) 2.7 mi N of Jarbo Gap. 853 Comment
  CHSC42391  Gamochaeta argyrinea Lowell Ahart 1987-6-9 5738 Butte On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42374  Gastridium phleoides Lowell Ahart 1987-5-27 5701 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC93870  Gastridium phleoides Lowell Ahart 2006-6-9 12652 Butte On the east side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 403 Comment
  RSA718330  Gastridium phleoides L. Ahart 2006-6-9 12652 Butte On the E side of Bardees Bar Road. S of the small stream. About 1/4 mile SW of the poor bridge across the North Fork of the Feather River at Bardees Bar. About 2.75 miles (air) SW of Pulga. 404 Comment
  JEPS110272  Gastridium ventricosum Lowell Ahart 2006-6-9 12652 Butte On the east side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 403 Comment
  CDA40045  Gilia capitata subsp. mediomontana L. Ahart 2006-5-19 12637 Butte On the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. Comment
  CHSC93795  Gilia capitata subsp. mediomontana Lowell Ahart 2006-5-19 12637 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 405 Comment
  JEPS108861  Gilia capitata subsp. mediomontana Lowell Ahart 2006-5-19 12637 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 405 Comment
  RSA31676  Gilia capitata subsp. mediomontana A. A. Heller 1938-5-28 15112 Butte along the Feather River Highway, 22 miles from Oroville Comment
  RSA712994  Gilia capitata subsp. mediomontana L. Ahart 2006-5-19 12637 Butte On the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 406 Comment
  UC726804  Gilia capitata subsp. mediomontana A. A. Heller 1937-5-31 Butte Yankee Hill Comment
  UC726809  Gilia capitata subsp. mediomontana A. A. Heller 1938-5-28 15112 Butte just e Jarboe Pass (along the Feather River Highway, 22 mi from Oroville) Comment
  CHSC44413  Gilia capitata subsp. pedemontana Lowell Ahart 1988-5-30 6028 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  RSA469346  Gilia capitata subsp. pedemontana L. S. Rose 1939-6-7 39245 Butte North Fork of Feather River. 3 mi S of Pulga. 610 Comment
  CHSC67357  Githopsis specularioides James D. Jokerst 1985-5-13 2312 Madera Small hydro survey: North Fork Willow Creek 1.0 mi N of Bass Lake at 'The Falls'. Gentle to steep SE-facing slopes ca. 200 m N of the creek, ca. 0.5 mi SW of the McLead Flat. 1219 Comment
  CHSC67358  Githopsis specularioides James D. Jokerst; R. A. Schlising 1985-4-8 2221 Butte Above Hwy. 70 2.3 mi SW of Pulga Rd. 609 Comment
  CHSC51368  Glinus lotoides Vernon Oswald; Lowell Ahart 1990-10-11 4460 Butte Dark Canyon arm of Lake Oroville, about 4 miles south of Jarbo Gap. Occasional plants on drying mud on the bed of Dark Canyon Creek, below the high-water line of the lake. 243 Comment
  UC1586633  Glinus lotoides Vernon Oswald and Lowell Ahart 1990-10-11 4460 Butte about 4 mi s of Jarbo Gap (Dark Canyon arm of Lake Oroville, on bed of Dark Canyon Creek); Dark Canyon arm of Lake Oroville 243 Comment
  CAS-BOT-BC305282  Grindelia hirsutula John Thomas Howell 1951-6-29 27769 Butte Big Bend Mt. 609 Comment
  JEPS113882  Grindelia hirsutula L. P. Janeway 2007-6-26 1656 Butte Northern High Sierra Nevada; Along Hwy 70 2.1 road mi NE of Jarbo Gap, at the Plumas Natonal Forest sign; 1.6 air mi NW of North Fork Feather River. At the E-facing canyon edge of the road pullout area. 633 Comment
  CHSC97007  Grindelia hirsutula var. davyi B. Castro 2007-6-26 1656 Butte Northern High Sierra Nevada. Along Hwy 70 2.1 road miles northeast of Jarbo Gap, at the Plumas National Forest sign; 1.6 air miles northwest of North Fork Feather River. At the east-facing canyon edge of the road pullout area. 633 Comment
  RSA302650  Grindelia hirsutula var. davyi J. R. Shevock 1972-5-19 1756 Butte Hwy 70, Feather River Canyon. 21 Comment
  CHSC42825  Hastingsia alba L. P. Janeway 1987-6-11 2184 Butte 3.0 mi south of Big Bar Mtn via road. 1021 Comment
  CHSC42390  Helenium puberulum Lowell Ahart 1987-6-9 5721 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  JEPS108796  Helianthella californica subsp. nevadensis Lowell Ahart 2006-6-9 12644 Butte Along N side of the service road to Bardees Bar along the North Fork of the Feather River, about 70 yards E of the electric tower, on the E side of Highway 70, about 2 34 miles (air) SW of Pulga. 534 Comment
  CHSC93866  Helianthella californica var. nevadensis Lowell Ahart 2006-6-9 12644 Butte Along the north side of the service road to Bardees Bar along the North Fork of the Feather River, about 50 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga. 534 Comment
  RSA718312  Helianthella californica var. nevadensis L. Ahart 2006-6-9 12644 Butte Along the north side of the service road to Bardes Bar along the North Fork of the Feather River, about 70 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga. 535 Comment
  CHSC116133  Heliotropium europaeum Lowell Ahart 2015-11-7 20619 Butte Strand of Lake Oroville, on the east side of the old highway Alternate 40, about 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 236 Comment
  JEPS124154  Heliotropium europaeum Lowell Ahart 2015-11-7 20619 Butte About 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  CHSC33798  Heterocodon rariflorum M. S. Taylor 1981-4-28 3567 Butte N side of rd 23N28.2, in loop in rd, ca. 1.2 mi w of Chino Creek, ca. 4 air mi e of Jarbo Gap on Hwy 70. 929 Comment
  CAS-BOT-BC143631  Heteromeles arbutifolia Sally Bianco 1995-11-3 1050 Butte 0.25km N of Concow School on S end of Concow Rd. 549 Comment
  CAS-BOT-BC143634  Heteromeles arbutifolia Mrs. E. C. Sutliffe 1924-12-1 s.n. Butte Isaiah Comment
  NY43614  Heteromeles arbutifolia S. Bianco 1995-11-3 1050 Butte 0.25km N of Concow School, on S end of Concow Rd 549 Comment
  CHSC42462  Heterotheca grandiflora Lowell Ahart 1987-5-6 5502 Butte Along the dirt road, near the Poe Power House on the east side of the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 280 Comment
  CHSC43243  Heterotheca grandiflora Lowell Ahart 1987-9-24 5905 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  JEPS108135  Heterotheca grandiflora Lowell Ahart 2005-11-20 12491 Butte W side of the Poe Power house, E of the North Fork of the Feather River 275 Comment
  RSA0074384  Heterotheca grandiflora L. Ahart 2005-11-20 12491 Butte Along road, on the west side of the Poe Power House, east of North Fork of the Feather River. 276 Comment
  CAS-BOT-BC311008  Heterotheca oregona Lowell Ahart 1987-9-24 5903 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC43244  Heterotheca oregona var. compacta Lowell Ahart 1987-9-24 5903 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC420459  Heuchera micrantha var. erubescens Lowell Ahart 1987-5-9 5596 Butte along Pulga Road, about 1/2 mile SW of Bardees Bar along the N Fork of the Feather River, about 3 miles SW of Pulga 365 Comment
  CHSC21004  Heuchera micrantha var. erubescens M. S. Taylor 1975-4-29 547 Butte On s side of Hwy 70, ca 25 mi ne of Oroville. Comment
  CHSC42860  Heuchera micrantha var. erubescens Lowell Ahart 1987-5-9 5596 Butte Along Pulga Road, about 1/2 mile sout-west of Bardees Bar along the North Fork of the Feather River, about 3 miles south-west of Pulga. 365 Comment
  CAS-BOT-BC55334  Hirschfeldia incana Lowell Ahart 1987-5-6 5509 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 274 Comment
  CHSC42703  Hirschfeldia incana Lowell Ahart 1987-5-6 5509 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC60607  Hoita macrostachya L. P. Janeway 1992-6-13 4234 Butte Along Piute Drive, ca. 1/4 mi east of Dark Canyon Road and ca 1/2 mi south of Parkhill and Big Bend Road. 594 Comment
  UC866223  Hoita macrostachya Lewis S. Rose 1939-6-7 39239 Butte 3 mi s Pulga; North Fork of Feather River 609 Comment
  CHSC62107  Hoita orbicularis L. P. Janeway 1993-7-2 4425 Butte Plumas National Forest. Open serpentine area above Rd 22N84 0.45 mi west of Stony Creek and 1.45 mi west of Rd 23N28 (the road from Swanye Hill to Big Bar Mtn). 926 Comment
  CHSC62552  Hoita orbicularis B. Castro; J. Jurewicz 1993-7-7 469 Butte Ca 2.5 mi SSW of Big Bar Mtn, on SE-facing slope on the N side of USFS Rd 22N84. 960 Comment
  CHSC70793  Hoita orbicularis B. Castro; H. Durio, L. Gehrung 1995-7-24 590 A Butte Ca 1.5 air mi S of Hungry Hunt Peak, and 1.5 mi E of Hwy 70, ca 0.2 mi S on 'A' Spur off USFS Rd 22N84. 914 Comment
  CAS-BOT-BC280713  Holcus lanatus Lowell Ahart 1987-6-9 5728 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 274 Comment
  CHSC42401  Holcus lanatus Lowell Ahart 1987-6-9 5728 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CAS-BOT-BC281251  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1988-6-21 6059 Butte Near the Poe Power House Road, about 1 mile south of Jarbo Gap 609 Comment
  CHSC44456  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1988-6-21 6059 Butte Near the Poe Power House Road, about 1 mile south of Jarbo Gap. 609 Comment
  CAS-BOT-BC285091  Hordeum marinum subsp. gussoneanum John Thomas Howell 1961-9-22 36781 Butte Jarbo Gap, Feather River Highway Comment
  CHSC42373  Hordeum marinum subsp. gussoneanum Lowell Ahart 1987-5-6 5563 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42916  Hordeum murinum subsp. leporinum Lowell Ahart 1987-7-3 5782 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC43219  Horkelia californica subsp. dissita L. P. Janeway 1987-6-13 2185 Butte At the Crain Mill site, 1.6 mi N along Ponderosa Way (Rim Rd) from Jarbo Gap. Edges of dirt roads. 883 Comment
  CHSC1558  Horkelia tridentata P. Delaplane 1965-5-4 50 Butte Found at E end of Lake Concow on Concow Road. 1219 Comment
  CHSC42556  Hosackia oblongifolia var. oblongifolia Lowell Ahart 1987-5-27 5709 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC33103  Hosackia stipularis var. ottleyi M. S. Taylor 1981-5-15 3749 Butte End of spur rd 22N84A, ridge sw of Stony Creek, ca. 2.5 air mi due e of Jarbo Gap on Feather River Hwy 70. 944 Comment
  CHSC55492  Hosackia stipularis var. ottleyi L. P. Janeway 1991-4-8 3868 Butte Ca 0.1 mi east of Dark Canyon Road, and ca 1.0 mi south of Hwy 70. 609 Comment
  CHSC62749  Hypericum concinnum B. Castro 1993-7-13 477 Butte Ca 2.5 mi S of Big Bar Mtn, on SSE-facing slope ca 800 ft along both sides of USFS Rd 22N84, ca 0.3 mi E of its jcn with Rd 23N28. 944 Comment
  CHSC42461  Hypochaeris glabra Lowell Ahart 1987-5-6 5503 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  UC1188250  Iris hartwegii L. W. Lenz and E. K. Balls 1955-5-13 20697 Butte 7 mi ne Pentz Trading Post (on road to U.S. Hwy 40 Alt from Oroville-Magalia road) 579 Comment
  CHSC90621  Iris macrosiphon J. Marr 1988-3-18 2 Butte NW side, 4 mi on Concow Rd. W. from Hwy 70, 18 mi n of Oroville. 365 Comment
  CAS-BOT-BC102302  Juglans hindsii John Thomas Howell 1961-9-22 36773 Butte North Fork of Feather River, 12 miles from Oroville Comment
  CHSC42950  Juncus acuminatus Lowell Ahart 1987-7-17 5821 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42379  Juncus articulatus Lowell Ahart 1987-5-27 5696 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42378  Juncus bufonius var. bufonius Lowell Ahart 1987-5-6 5545 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42517  Juncus bufonius var. occidentalis Lowell Ahart 1987-5-6 5575 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42377  Juncus covillei Lowell Ahart 1987-5-27 5707 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42523  Juncus ensifolius Lowell Ahart 1987-5-27 5711 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42386  Juncus tenuis Lowell Ahart 1987-5-27 5695 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  RSA305774  Keckiella breviflora subsp. glabrisepala James R. Shevock 1972-5-19 1767 Butte Highway 70, north of Lake Oroville. 91 Comment
  CHSC42372  Koeleria phleoides Lowell Ahart 1987-5-6 5557 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC43002  Lactuca saligna Lowell Ahart 1987-7-17 5830 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42766  Lactuca serriola Lowell Ahart 1987-8-3 5843 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC36837  Lagophylla glandulosa M. S. Taylor 1982-6-24 4748 Butte E side of Ponderosa Way, 1.6 mi n of Jarbo Gap on Hwy 70. 868 Comment
  UC726005  Lagophylla glandulosa A. A. Heller 1941-11-8 16336 Butte along Feather River Highway about 20 mi e Oroville (just w of Jarboe Pass on roadside banks) Comment
  CHSC50666  Lathyrus latifolius Lowell Ahart 1990-6-1 6506 Butte On the east side of the North Fork of the Feather River, near the Poe Power House, about 2 air miles south-east of Jarbo Gap. 274 Comment
  UC1562445  Lathyrus latifolius Lowell Ahart 1990-6-1 6506 Butte about 2 air mi se Jarbo Gap (near the Poe Power House, on the e side of the Feather River) 274 Comment
  CAS-BOT-BC274354  Leersia oryzoides Lowell Ahart 1987-7-3 5777 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42915  Leersia oryzoides Lowell Ahart 1987-7-3 5777 Butte Along the North Fork of the Feather River, neaar the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC35764  Lepidium appelianum R. A. Schlising; J. D. Jokerst 1982-6-4 4287 Butte N of Oroville and n of Jarbo Gap along Hwy 70 above Feather River Canyon. Roadside. Comment
  CAS-BOT-BC88807  Lepidium campestre Lowell Ahart 1987-5-6 5514 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC42702  Lepidium campestre Lowell Ahart 1987-5-6 5514 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC13064  Lepidium virginicum var. menziesii Lowell Ahart 1987-5-6 5511 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CAS-BOT-BC13065  Lepidium virginicum var. menziesii Lowell Ahart 1987-5-9 5601 Butte Along Pulga Road, about 2 miles southwest of Bardees Bar along the North Fork of the Feather River. 365 Comment
  CHSC42700  Lepidium virginicum var. pubescens Lowell Ahart 1987-5-6 5511 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42701  Lepidium virginicum var. pubescens Lowell Ahart 1987-5-9 5601 Butte Along a wash, along Pulga Road, about 2 miles south-west of Bardees Bar along the North Fork of the Feather River, about 4 1/2 miles south-west of Pulga. 365 Comment
  CDA2225  Leptochloa dubia L. Ahart 2000-11-4 8714 Butte W side of Hwy 70, about 100 yd N of Rich Gulch Road, 1 mi N of the West Branch Bridge across Lake Oroville, and 5 air mi SE of Paradise Comment
  JEPS98989  Leptochloa dubia Lowell Ahart 2000-11-4 8714 Butte About 100 yards north of Rich Gulch Road, about 1 mile north of the West Branch Bridge across Lake Oroville, about 5 miles (air) SE of Paradise. 335 Comment
  CHSC36716  Leptosiphon bolanderi R. Schlising; R. Banchero 1980-5-13 3587 Butte Serpentine outcrop above Hwy 70 and above Bardees Bar on N Fork of Feather River, ca 2 mi S of Pulga. 441 Comment
  CHSC67372  Leptosiphon bolanderi James D. Jokerst; R. A. Schlising 1985-4-8 2222 Butte Above Hwy. 70 2.3 mi SW of Pulga Rd. 609 Comment
  CHSC93863  Leptosiphon filipes Lowell Ahart 2006-6-9 12660 Butte On the north side of Bardees Bar Road, east of the large stream, about 1/10 mile north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 354 Comment
  CHSC115346  Leptosiphon parviflorus Lowell Ahart 2015-4-13 20041 Butte About 9 1/2 miles (air) north of Oroville. 307 Comment
  JEPS124203  Leptosiphon parviflorus Lowell Ahart 2015-4-13 20041 Butte About 9 1/2 miles north of Oroville. Comment
  UCSC009430  Leptosiphon parviflorus Lowell Ahart 2015-4-13 20041 Butte Road cut on the east side of Vinton Gulch Road, about 9 1/2 miles (air) north of Oroville 308 Comment
  CHSC42469  Leucanthemum vulgare Lowell Ahart 1987-5-27 5692 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC34799  Ligusticum californicum M. S. Taylor 1981-5-15 3750 Butte End of spur rd 22N84A, ridge sw of Stony Creek, ca. 2.5 mi due e of Jarbo Gap on Hwy 70. 944 Comment
  CAS-BOT-BC246142  Limosella aquatica Lowell Ahart 1987-5-6 5576 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap 271 Comment
  CHSC42871  Limosella aquatica Lowell Ahart 1987-5-6 5576 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC92457  Linaria dalmatica subsp. dalmatica Lowell Ahart 2005-11-12 12484 Butte Flat area on the south side of Dark Canyon Creek, about 50 yards south of the train tunnels, west of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70 at Big Bend Road. 293 Comment
  HSC97152  Linaria dalmatica subsp. dalmatica L. Ahart 2005-11-12 12484 Butte S side of Dark Canyon Creek, 50 yds. S of train tunnels, W of Dark Canyon Rd., 2.5 mi. S of Hwy. 70 at Big Bend Rd. 294 Comment
  CDA6352  Linaria genistifolia subsp. dalmatica L. Ahart 2005-11-12 12484 Butte On the south side of Dark Canyon Creek, about 50 yards south of the train tunnels, west of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70 at Big Bend Road. Comment
  JEPS108132  Linaria genistifolia subsp. dalmatica Lowell Ahart 2005-11-12 12484 Butte Flat area on the south side of Dark Canyon Creek, about 50 yards south of the train tunnels, west of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70 at Big Bend Road 293 Comment
  RSA713020  Linaria genistifolia subsp. dalmatica L. Ahart 2005-11-12 12484 Butte Flat area on the S side of Dark Canyon Creek, 50 yards S of the train tunnels, W of Dark canyon Road. 2.5 miles air S of Hwy 70 at Big Bend Road. 294 Comment
  CHSC42966  Lindernia dubia var. anagallidea Lowell Ahart 1987-7-3 5780 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC23698  Lithocarpus densiflorus M. S. Taylor 1976-5-5 1110 Butte On n side of Hwy 70, ca. 2 mi n of Jarbo Gap, ca. 17 mi ne of Oroville. Comment
  CHSC29287  Lithospermum californicum R. A. Schlising 1980-5-23 3597 Butte N of Lake Oroville State Rec. Area in Lassen Nat. Forest, 3.5 mi e junction Hwy 70 and Big Bend Road and from here, at community of Big Bend, 1.0 mi s; roadside. Comment
  CHSC93869  Lithospermum californicum Lowell Ahart 2006-6-9 12641 Butte In the center of a dead end side road, north side of the service road to Bardees Bar along the North Fork of the Feather River, about 50 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga. 534 Comment
  JEPS108980  Lithospermum californicum Lowell Ahart 2006-6-9 12641 Butte In the center of a dead end side road, north side of the service road to Bardees Bar along the North Fork of the Feather River, about 50 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga 534 Comment
  RSA718337  Lithospermum californicum L. Ahart 2006-6-9 12641 Butte North side of the service road to Bardees Bar along the North Fork of the Feather River, about 50 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga. 535 Comment
  CAS-BOT-BC269078  Lolium perenne John Thomas Howell 1951-6-26 27518 Butte Big Bend Mt. 609 Comment
  CHSC32732  Lomatium marginatum M. S. Taylor 1981-4-8 3490 Butte E side of Dark Canyon Rd, 2.5 mi s of its jct with Big Bend Rds jct, ca. 3 air mi s of Jarbo gap on hwy 70; rd bank. 396 Comment
  CHSC70791  Lonicera hispidula H. Durio; B. Castro, L. Gehrung 1995-7-24 Butte Ca. 1.5 air mi A of Hungry Hunt Peak, and 1.5 mi # of Hwy 70, ca 0.2 mi s on 'A' Spur off USFS Rd 22N84. 914 Comment
  CAS-BOT-BC240695  Lonicera interrupta John Thomas Howell 1961-9-22 36780 Butte Jarbo Gap, Feather River Highway Comment
  CHSC200  Lonicera involucrata var. involucrata E. Walker 1932-4-19 Butte Concow reservoir. Comment
  CHSC44393  Lotus corniculatus Lowell Ahart 1988-6-21 6047 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  UC726026  Lotus grandiflorus var. grandiflorus A. A. Heller 1938-5-28 15125 Butte w of Pulga (on the Feather River Highway) Comment
  RSA253373  Lotus grandiflorus var. macranthus A. A. Heller 1938-5-28 15125 Butte On the Feather River Highway 25 miles from Oroville. Comment
  CHSC42708  Ludwigia palustris Lowell Ahart 1987-6-9 5732 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CDA7108  Lunaria annua L. Ahart 2006-5-3 12554 Butte About 75 yards southeast of the Concow Grange building, on the west side of Big Bend Road, about 1 1/4 miles (air) south of Jarbo Gap. Comment
  CHSC93351  Lunaria annua Lowell Ahart 2006-5-3 12554 Butte About 75 yards southeast of the Concow Grange building, on the west side of Big Bend Road, about 1 1/4 miles (air) south of Jarbo Gap. 548 Comment
  HSC97109  Lunaria annua L. Ahart 2006-5-3 12554 Butte 75 yds. SE of Concow Grange building, W side of Big Bend Rd., 1.25 mi. S of Jarbo Gap 549 Comment
  JEPS110472  Lunaria annua Lowell Ahart 2006-5-3 12554 Butte About 75 yards southeast of the Concow Grange building, on the west side of Big Bend Road, about 1 1/4 miles (air) south of Jarbo Gap 548 Comment
  RSA712825  Lunaria annua L. Ahart 2006-5-3 12554 Butte About 75 yards SE of the Concow Grange building, on the W side of Big Bend Road, about 1.25 miles (air) S of Jarbo Gap. 549 Comment
  CHSC24660  Lupinus albicaulis Keith Lickey 1976-4-9 55 Butte Hwy 70 ca 1 km ne of Concow Rd; on north shoulder. 609 Comment
  JEPS50784  Lupinus albicaulis Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9278 Butte abut 1 mi NE of Jarbo Gap (along Feather River Hwy. (now Calif. 70)) 640 Comment
  CHSC33148  Lupinus albicaulis var. shastensis J. D. Jokerst 1981-5-6 1305 Butte SE of and adjacent to Detlot Road ca 1/3 mi SE of its western most junction with Hwy 70. 670 Comment
  CHSC33728  Lupinus albifrons M. S. Taylor 1981-4-5 3480 Butte E side of Dark Canyon Rd, 2.2 mi s of its jct with Big Bend Rds, ca. 3 air mi s of Jarbo Gap on Hwy 70. 426 Comment
  SEINET10870639  Lupinus albifrons var. albifrons Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-5 Conrad 7041 Butte Jarbo pass on hwy 70. Yellow pine, california buckeye, and shrubby lupine 701 Comment
  POM23778  Lupinus albifrons var. eminens C. C. Bruce 1897-04 2028 Butte Yankee Hill. Comment
  UC1129656  Lupinus nanus J. E. Sowder 1933-5-26 77 Butte 1/4 mi nw Yankee Hill; Chico Quad., nw of Yankee Hill Comment
  CHSC42529  Lupinus polycarpus Lowell Ahart 1987-5-6 5523 Butte Along the road, near the Poe Power House on the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 277 Comment
  CHSC44498  Lupinus stiversii Lowell Ahart 1988-5-1 5976 Butte Along the North Fork of the Feather River, a little north of the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC44528  Luzula macrantha Lowell Ahart 1988-3-27 5940 Butte West of the deep road cut, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 335 Comment
  CHSC43263  Lycopersicon esculentum Lowell Ahart 1987-9-24 5904 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42709  Lycopus americanus Lowell Ahart 1987-6-9 5743 Butte On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC342709  Madia elegans Lowell Ahart 1988-6-21 6056 Butte Along Poe Power House Road, about 3/4 mile north of the Poe Power House, about 1 1/4 miles south-east of Jarbo Gap 426 Comment
  CHSC23696  Madia elegans M. S. Taylor 1976-5-5 1108 Butte On n side of Hwy 70, ca. 2 mi n of Jarbo Gap, ca. 17 mi ne of Oroville. Comment
  CAS-BOT-BC344318  Madia exigua Lowell Ahart 1987-5-9 5592 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga 365 Comment
  CHSC42460  Madia exigua Lowell Ahart 1987-5-9 5592 Butte Along Pulga Road, about 1/4 mile westa of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga. 365 Comment
  CHSC93862  Madia exigua Lowell Ahart 2006-6-9 12650 Butte On the east side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 403 Comment
  HSC96907  Madia exigua L. Ahart 2006-6-9 12650 Butte E side of Bardees Bar Rd., S of the small stream, about 1/4 mi. SW of the poor bridge scross the N Fork of the Feather River at Bardees Bar, about 2 3/4 mi. (air) SW of Pulga 404 Comment
  JEPS108732  Madia exigua Lowell Ahart 2006-6-9 12650 Butte On the east side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 403 Comment
  RSA718336  Madia exigua L. Ahart 2006-6-9 12650 Butte On the E side of Bardees Bar Road. S of the small stream. About 1/4 mile SW of the poor bridge across the North Fork of the Feather River at Bardees Bar. About 2.75 miles (air) SW of Pulga. 404 Comment
  CHSC44511  Madia gracilis Lowell Ahart 1988-6-21 6056 Butte Along Poe Power House Road, about 3/4 mile north of the Poe Power House, about 1 1/4 miles south-east of Jarbo Gap. 426 Comment
  CHSC93874  Madia gracilis Lowell Ahart 2006-6-9 12649 Butte On the east side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 403 Comment
  JEPS108733  Madia gracilis Lowell Ahart 2006-6-9 12649 Butte On the east side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 403 Comment
  CAS-BOT-BC347374  Malacothrix floccifera Lewis S. Rose 1939-6-7 39244 Yuba N. Fork of Feather River, 3 mi. s. of Pulga 609 Comment
  CHSC35981  Malacothrix floccifera M. S. Taylor 1982-6-24 4723 Butte E side of Ponderosa Way (Rim Rd), 1.3 mi n of its jct with Hwy 70 at Jarbo Gap. 853 Comment
  CHSC44376  Malacothrix floccifera Lowell Ahart 1988-6-21 6050 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap/ 271 Comment
  CHSC63048  Marah watsonii Vernon H. Oswald 1994-4-14 6105 Butte Old railroad grade along the N. Fork Freather River ca. 0.25 mi W of Stony Creek, E of Poe Powerhouse. 301 Comment
  CHSC58671  Marsilea vestita M. Bailey 1991-7-27 Butte Lake Concow Reservoir. 762 Comment
  CHSC42459  Matricaria discoidea Lowell Ahart 1987-5-6 5504 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42528  Medicago lupulina Lowell Ahart 1987-5-6 5524 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CDA22913  Melica aristata L. Ahart 2006-6-9 12648 Butte On the west side of Bardees Bar Road, south of the small stream, about 1/4 of a mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. Comment
  CHSC93876  Melica aristata Lowell Ahart 2006-6-9 12648 Butte Cutbank, on the west side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 403 Comment
  JEPS110273  Melica aristata Lowell Ahart 2006-6-9 12648 Butte Cutbank, on the west side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 403 Comment
  CAS-BOT-BC269373  Melica californica Lowell Ahart 1987-5-9 5581 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga 365 Comment
  CAS-BOT-BC269374  Melica californica Lowell Ahart 1987-5-9 5582 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga 365 Comment
  CAS-BOT-BC269384  Melica californica John Thomas Howell; H. Keith Wagnon 1980-5-26 53577 Butte Feather River Canyon Highway, 2.4 miles southwest of Pulga Bridge Comment
  CAS-BOT-BC269386  Melica californica Clarence R. Quick 1964-7-9 64 -64 Butte North of Jarbo Gap Comment
  CHSC42439  Melica californica Lowell Ahart 1987-5-9 5582 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga. 365 Comment
  CHSC67413  Melica californica James D. Jokerst; R. A. Schlising 1985-4-8 2223 Butte Serpentine body, above Hwy. 70 2.3 mi SW of Pulga Rd. 609 Comment
  CHSC41168  Melica harfordii L. P. Janeway; Gary Benson, Randy Harrison 1984-9-12 Butte Plumas N.F. ECOS plot 11-052. On ridge between Concow Res and N Fk Feather R. 865 Comment
  CHSC74168  Melica harfordii B. Castro; L. Gehrung 1998-7-2 800 Butte Ca 6 air mi NW of Brush Creek, ca 1 mi SE of Hungry Hunt Peak, ca 50 ft N of USFS Rd 23N28 as it loops around a drainage. 1021 Comment
  CHSC93792  Melica harfordii Lowell Ahart 2006-5-19 12638 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 405 Comment
  JEPS110219  Melica harfordii Lowell Ahart 2006-5-19 12638 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 405 Comment
  RSA718332  Melica harfordii L. Ahart 2006-6-9 12648 Butte On the west side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 404 Comment
  CAS-BOT-BC262505  Melica torreyana Lowell Ahart 1987-7-3 5752 Butte Along the edge of Poe Power House Road, about 1 mile north-west of the Poe Power House, about 1 mile south-east of Jarbo Gap 487 Comment
  CHSC42926  Melica torreyana Lowell Ahart 1987-7-3 5752 Butte Along the edge of Poe Power House Road, about 1 mile north-west of the Poe Power House, about 1 mile south-east of Jarbo Gap. 487 Comment
  CHSC93734  Melica torreyana Lowell Ahart 2006-5-19 12632 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 405 Comment
  JEPS110218  Melica torreyana Lowell Ahart 2006-5-19 12632 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 405 Comment
  RSA712996  Melica torreyana L. Ahart 2006-5-19 12632 Butte Bardees bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. On the west side of the dirt road 406 Comment
  CHSC42525  Melilotus albus Lowell Ahart 1987-5-27 5714 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42524  Melilotus indicus Lowell Ahart 1987-5-6 5525 Butte Along the road, near the Poe Power House along the North Fork of the Feather River about 2 miles south-east of Jarbo Gap. 283 Comment
  CDA5723  Melissa officinalis L. Ahart 2005-11-12 12483 Butte Bottom of Dark Canyon Creek, about 50 yards south of the train tunnels, west of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70 at Beg Bend Road. 0 Comment
  CHSC92381  Melissa officinalis Lowell Ahart 2005-11-12 12483 Butte Bottom of Dark Canyon Creek, about 50 yards south of the train tunnels, west of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70 at Big Bend Road. 293 Comment
  JEPS108134  Melissa officinalis Lowell Ahart 2005-11-12 12483 Butte Bottom of Dark Canyon Creek, about 50 yards south of the train tunnels, west of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70 at Big Bend Road 293 Comment
  RSA713018  Melissa officinalis L. Ahart 2005-11-12 12483 Butte Dark Canyon Creek, about 50 yards south of the train tunnels, west of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70 at Big Bend Road. 294 Comment
  CHSC44398  Mentha canadensis Lowell Ahart 1988-6-21 6045 Butte Along the edge of te North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC43296  Mentha spicata Lowell Ahart 1987-8-30 5868 Butte Along the north fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CAS-BOT-BC428754  Micranthes californica Lowell Ahart 1988-3-27 5943 Butte Along Poe Power House Road, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap 350 Comment
  CHSC44351  Micranthes californica Lowell Ahart 1988-3-27 5943 Butte Along Poe Power House Road, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap. 350 Comment
  CHSC93448  Micropus californicus var. californicus Lowell Ahart 2006-5-10 12624 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, south of the small stream, about 200 yards northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 385 Comment
  JEPS108852  Micropus californicus var. californicus Lowell Ahart 2006-5-10 12624 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, south of the small stream, about 200 yards northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 385 Comment
  RSA712992  Micropus californicus var. californicus L. Ahart 2006-5-10 12624 Butte North side of Bardees Bar Road, south of the small stream, about 200 yards northwest of the poor bride across the North Fork of the Featheer River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 386 Comment
  CHSC44330  Microsteris gracilis Lowell Ahart 1988-3-27 5936 Butte Along the North Fork of the Feather River, a little north of the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC42967  Mimetanthe pilosa Lowell Ahart 1987-7-3 5770 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  JEPS108855  Mimulus aurantiacus subsp. aurantiacus Lowell Ahart 2006-5-10 12617 Butte Road cut bank, on the N side of the poor dirt road, Bardees Bar Road, about 100 yars N of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) SW of Pulga. 354 Comment
  GH367037  Mimulus aurantiacus var. grandiflorus L. S. Rose 1939-6-7 39242 Unknown N. Fork of Feather River, 3 mi. s. of Pulga 609 Comment
  GH367060  Mimulus aurantiacus var. grandiflorus L. S. Rose 1939-6-7 39242 Unknown N. Fork of Feather River, 3 mi. s. of Pulga 609 Comment
  HSC72762  Mimulus aurantiacus var. grandiflorus M. S. Taylor 1981-4-8 3481 Butte E side of Dark Canyon Rd., 2.2 mi. S of jct. with Big Bend Rds., 3 mi. S of Jarbo Gap on Hwy. 70 427 Comment
  OBI48845  Mimulus aurantiacus var. grandiflorus Lewis S. Rose 1939-6-7 39242 Yuba N Fork of Feather River, 3 mi S of Pulga 610 Comment
  UC885699  Mimulus aurantiacus var. grandiflorus Lewis S. Rose 1939-6-7 39242 Butte 3 mi s Pulga; North Fork of Feather River 609 Comment
  JEPS108856  Mimulus glaucescens Lowell Ahart 2006-5-10 12614 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 354 Comment
  RSA712923  Mimulus glaucescens L. Ahart 2006-5-10 12614 Butte Bardees Bar Road, about 100 yards north of poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of pulga. 355 Comment
  UCD96096  Mimulus glaucescens Dena Grossenbacher; Brian Green 2008-5-3 814 Butte Along Bardees Bar Road about 0.1 miles from Bardees Bar. 371 Comment
  UCD96094  Mimulus microphyllus Dena Grossenbacher; Brian Green 2008-5-3 813 Butte About 2.25 miles from Bardees Bar Road junction on forest service road 22N37. 328 Comment
  CHSC42965  Mimulus moschatus Lowell Ahart 1987-7-3 5786 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC60608  Monardella breweri subsp. lanceolata L. P. Janeway 1992-6-13 4232 Butte East side of Dark Canyon and Dark Canyon Road ca 1 1/4 mi south of Parkhill and Big Bend Road. 487 Comment
  CHSC67987  Monardella odoratissima James D. Jokerst 1989-7-3 3125 Butte Hwy. 70 4.05 mi E of Concow turnoff. Comment
  CHSC62561  Monardella odoratissima subsp. pallida B. Castro 1993-8-3 493 Butte Ca 1 mi S of Big Bar Mtn, 0.5 mi SE of Hungry Hunt Peak, on USFS Rd 22N83 ca. 0.1 mi W of its jcn with Rd 23N28. 1127 Comment
  CAS-BOT-BC220450  Monardella sheltonii Clarence R. Quick 1964-7-9 64 -59 Butte North of Jarbo Gap Comment
  CAS-BOT-BC220452  Monardella sheltonii Lewis S. Rose 1951-6-26 51019 Butte Jarboe [Jarbo] Pass, 22 mi. n. of Oroville 579 Comment
  CAS-BOT-BC220454  Monardella sheltonii A. A. Heller 1938-6-14 15151 Butte On Highway #24, 23 miles east of Oroville Comment
  CHSC43034  Monardella sheltonii L. P. Janeway 1987-6-13 2194 Butte Saddle along Ponderosa Way (Rim Rd) 3.4 mi NE of Jarbo Gap. 841 Comment
  CHSC43035  Monardella sheltonii L. P. Janeway 1987-6-8 2179 Butte 4.5 mi south of Big Bar Mtn (via rd). 899 Comment
  CHSC43829  Monardella sheltonii L. P. Janeway 1987-5-20 2072 Butte SE-facing slope above hwy 70 3.5 mi NE of Jarbo Gap. 594 Comment
  CHSC43830  Monardella sheltonii L. P. Janeway 1987-5-20 2062 Butte SW-facing rocky cutbank above Dark Cyn Rd 1.4 mi south of hwy 70. 510 Comment
  CHSC93867  Monardella sheltonii Lowell Ahart 2006-6-9 12655 Butte On the east side of Bardees Bar Road, north of the small stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 385 Comment
  HSC96903  Monardella sheltonii L. Ahart 2006-6-9 12655 Butte E side of Bardees Bar Rd. 1/8 mile W of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) SW of Pulga 386 Comment
  JEPS108795  Monardella sheltonii Lowell Ahart 2006-6-9 12655 Butte On the east side of Bardees Bar Road, north of the small stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 385 Comment
  POM252835  Monardella sheltonii A. A. Heller 1938-6-14 15151 Butte On a stony open slope in serpentine 23 miles from Oroville River Highway. Comment
  RSA32830  Monardella sheltonii A. A. Heller 1938-6-14 15151 Butte 23 miles from Oroville, east of Jarboe Pass, on the Feather River Highway. Comment
  RSA71308  Monardella sheltonii L. S. Rose 1951-6-26 51019 Butte Jarboe Pass. 22 mi. n. of Oroville 579 Comment
  SEINET4173692 Image available Monardella sheltonii A. A. Heller 1938-6-14 15151 Butte 23 miles from Oroville east of Jarboe Pass on the Feather River Hwy Comment
  RSA718313  Monardella villosa subsp. sheltonii L. Ahart 2006-6-9 12655 Butte on east side of Bardees Bar Road, north of the small stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 386 Comment
  SEINET10498953  Monardella villosa subsp. sheltonii Melvin L. Conrad 1973-6-5 Conrad 7042 Butte Jarbo pass on hwy 70. Yellow pine, california buckeye, and shrubby lupine 701 Comment
  UC726651  Monardella villosa subsp. villosa A. A. Heller 1938-6-14 15151 Butte 23 miles from Oroville east of Jarboe Pass, on the Feather River Highway. Comment
  UC942959  Monardella villosa subsp. villosa Lewis S. Rose 1951-6-26 51019 Butte Jarboe Pass, 22 mi N of Oroville. 579 Comment
  CHSC23717  Montia parvifolia M. S. Taylor 1976-5-5 1114 Butte Abundant along creek, ca. 5 ft s of Hwy 70, ca. 20 mi ne of Oroville. Comment
  CAS-BOT-BC264288  Muhlenbergia andina Lowell Ahart 1987-6-9 5740 Butte On the east side of the North Fork of the Feather River, near the Poe Power House, about 2 miles outh-east of Jarbo Gap 271 Comment
  CAS-BOT-BC263356  Muhlenbergia asperifolia Lowell Ahart 1987-5-27 5708 Butte On a sand bar along the North Fork of teh Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42438  Muhlenbergia asperifolia Lowell Ahart 1987-5-27 5708 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC260530  Muhlenbergia filiformis Lowell Ahart 1987-5-6 5558 Butte Along the N Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap 271 Comment
  CHSC42398  Muhlenbergia filiformis Lowell Ahart 1987-6-9 5733 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42437  Muhlenbergia filiformis Lowell Ahart 1987-5-6 5558 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42405  Muhlenbergia mexicana Lowell Ahart 1987-6-9 5740 Butte On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42515  Myosotis discolor Lowell Ahart 1987-5-6 5507 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC44477  Myosotis discolor Lowell Ahart 1988-5-1 5975 Butte Along the North Fork of the Feather River, a little north of the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC42763  Myosotis laxa Lowell Ahart 1987-8-3 5848 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC45719  Navarretia filicaulis K. R. Stern 1979-6-29 Butte Parkhill, 1.5 mi S of Jarbo Gap; Jas. Moak property. 585 Comment
  CHSC45755  Navarretia filicaulis L. P. Janeway 1987-6-13 2195 Butte Saddle along Ponderosa Way (Rim Rd) 3.4 mi NE of Jarbo Gap. 841 Comment
  CHSC47065  Navarretia filicaulis R. A. Schlising; P. Broyles 1988-7-9 4573 Butte E of Paradise and Magalia, and N of Oroville and Jarbo Gap; along Rim Road. 792 Comment
  CHSC62777  Navarretia filicaulis B. Castro 1993-7-13 478 Butte Ca 2.5 mi S of Big Bar Mtn, on SSE-facing slope ca 800 ft along N side of USFS Rd 22N84, ca 0.3 mi E of its jcn with Rd 23N28. 944 Comment
  CHSC30076  Navarretia squarrosa R. A. Schlising 1980-7-26 3921 Butte At Concow Reservoir, along Concow Road, 3.0 mi N of junction with Nelson Bar Road at Concow School. Roadside. 615 Comment
  CHSC12060  Navarretia tagetina K. J. Hislop 1970-5-10 127 Butte Found on Hwy. 70 ca. 5 mi. n of Yankee Hill. 213 Comment
  CHSC31112  Nemophila heterophylla Diane M. Reilly 1980-4-11 7 Butte 20 ft e of creek, ca. 1/2 mi s on dirt road off Big Bend Rd, ca. 2 mi se of Hwy 70, ca. 27 mi n of Oroville. 621 Comment
  CHSC32727  Nemophila heterophylla M. S. Taylor 1981-4-8 3494 Butte At end of Dark Canyon Rd around the turnout near the restroom, up from the boat ramp to West Branch Feather River, ca. 3.5 mi s of its jct with Big Bend Rds jct, ca. 5 air mi s of Jarbo Gap on Hwy 70. 304 Comment
  CHSC44509  Nemophila heterophylla Lowell Ahart 1988-5-1 5977 Butte Iin damp soil in cracks of broken rocks, at the base of cliffs, along the North Fork of the Feather River, a little north of the Poe Power House, about 2 miles south-east of Jarbo Gap. 277 Comment
  UC726899  Nemophila heterophylla A. A. Heller 1937-5-31 Butte Yankee Hill Comment
  CHSC116131  Nicotiana acuminata var. multiflora Lowell Ahart 2015-11-7 20625 Butte On the bottom and on the west side of Dark Canyon, west of the parking area at the end of old highway Alternate 40, strand of Lake Oroville, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 224 Comment
  CHSC42969  Nicotiana acuminata var. multiflora Lowell Ahart 1987-7-3 5754 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  JEPS124133  Nicotiana acuminata var. multiflora Lowell Ahart 2015-11-7 20625 Butte West of the parking area at the end of Old Highway Alternate 40, strand of Lake Oroville, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  CHSC42707  Oenothera elata subsp. hirsutissima Lowell Ahart 1987-6-9 5720 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC316887  Packera eurycephala var. lewisrosei A. Heller 1938-5-28 15115 Butte 23 miles from Oroville on Highway 24. Comment
  CAS-BOT-BC316898  Packera eurycephala var. lewisrosei Lowell Ahart 1987-5-9 5588 Butte Along Pulga Road, about 0.25 miles west of Bardees Bar along the North Fork of the Feather River, about 2.5 miles 365 Comment
  CAS-BOT-BC316899  Packera eurycephala var. lewisrosei Clarence Roy Quick 1964-7-9 64 -50 Butte Steep rocky slope north of Jarbo Gap Comment
  CHSC42458  Packera eurycephala var. lewisrosei Lowell Ahart 1987-5-9 5588 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga. 365 Comment
  CHSC93509  Packera eurycephala var. lewisrosei Lowell Ahart 2006-5-10 12616 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 354 Comment
  HSC6152  Packera eurycephala var. lewisrosei L. S. Rose 1967-6-11 67103 Butte 3 mi. S of Pulga, Feather River Canyon Comment
  JEPS108859  Packera eurycephala var. lewisrosei Lowell Ahart 2006-5-10 12616 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 354 Comment
  JEPS22828  Packera eurycephala var. lewisrosei A. A. Heller 1938-5-28 15115 Butte 23 mi from Oroville (on the Feather River Highway) Comment
  OBI15488  Packera eurycephala var. lewisrosei Lewis S. Rose 1967-6-11 67103 Butte 3 mi S of Pulga, Feather River Canyon 610 Comment
  UC703040  Packera eurycephala var. lewisrosei L. S. Rose 1939-6-7 39247 Butte 3 mi s of Pulga; North Fork of Feather River; North Fork of Feather River, 3 miles S of Pulga, Butte Co. Comment
  UC831739  Packera eurycephala var. lewisrosei A. A. Heller 1938-5-28 15115 Butte 23 mi from Oroville (on the Feather River Highway); Feather River Highway Comment
  UCD134777  Packera eurycephala var. lewisrosei Lewis S. Rose 1967-6-11 67103 Butte 3 miles south of Pulga, Feather River Canyon. 609 Comment
  CHSC42376  Panicum acuminatum Lowell Ahart 1987-5-27 5715 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC253698  Panicum capillare Lowell Ahart 1987-7-3 5776 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap 271 Comment
  CHSC42925  Panicum capillare Lowell Ahart 1987-7-3 5776 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC253829  Panicum dichotomiflorum Lowell Ahart 1987-8-30 5869 Butte Along Highway 70 about 1/8 mile W of Big Bend Road, about 1.5 miles SW of Jarbo Gap 655 Comment
  CHSC43275  Panicum dichotomiflorum subsp. dichotomiflorum Lowell Ahart 1987-8-30 5869 Butte Road gutter, along Highway 70 about 1/8 mile west of Big Bend Road, about 1 1/2 miles south-west of Jarbo Gap. 655 Comment
  CHSC43276  Paspalum dilatatum Lowell Ahart 1987-8-30 5859 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC27907  Pellaea andromedifolia M. S. Taylor 1979-3-20 1957 Butte Along north fork of Feather River, ca. 3 mi n of jct of Feather River and Hwy 70, ca. 10 mi n of Oroville. 304 Comment
  CHSC32734  Pellaea mucronata M. S. Taylor 1981-4-8 3482 Butte E side of Dark Canyon Rd, 2.2 mi s of its jct with Big Bend Rds jct, ca. 3 air mi s of Jarbo Gap on Hwy 70. 426 Comment
  CHSC33896  Pellaea mucronata M. S. Taylor 1981-5-15 3733 Butte N side of Feather River Hwy 70, at Plumas NF boundary, ca. 2 mi ne of Jarbo Gap. 609 Comment
  CHSC42869  Penstemon azureus Lowell Ahart 1987-5-9 5580 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga. 365 Comment
  CHSC44732  Penstemon azureus R. Banchero 1980-5-7 143 Butte Along Hwy 70, 2.4 mi S of its jct with the Feather River. 609 Comment
  CHSC44772  Penstemon azureus R. Banchero 1980-5-12 153 Butte Along Hwy 70, 2.4 mi S of its jct with the Feather River. 609 Comment
  JEPS50783  Penstemon azureus Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9279 Butte along Feather River Highway (now Calif. 70) about 3 1/4 mi n Jarbo Gap; along Feather River Highway, n of Jarbo Gap 609 Comment
  JEPS6890  Penstemon azureus A. A. Heller 1938-5-28 15117 Butte on Feather River Highway 23 mi from Oroville; 23 mi from Oroville on Feather River Highway Comment
  SBBG28911  Penstemon azureus A. A. Heller 1938-5-28 15117 Butte 23 mi from Oroville on the Feather River Hwy Comment
  CHSC93445  Penstemon azureus var. azureus Lowell Ahart 2006-5-10 12618 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 354 Comment
  JEPS108825  Penstemon azureus var. azureus Lowell Ahart 2006-5-10 12618 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 354 Comment
  NY571198  Penstemon azureus var. azureus A. A. Heller 1938-5-28 15117 Butte 23 miles east of Oroville on Highway 24, in the Arid Transition Life Zone, the area almost treeless Comment
  POM252806  Penstemon azureus var. azureus A. A. Heller 1938-5-28 15117 Butte 25 miles from Oroville on Feather River Hwy. Comment
  RSA712953  Penstemon azureus var. azureus L. Ahart 2006-5-10 12618 Butte On the north side of the poor dirt road, Bardees bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Burdees bar, about 2 1/2 miles (air) southwest of Pulga. Comment
  UC1562446  Penstemon deustus Lowell Ahart 1990-6-1 6505 Butte about 2 air mi se Jarbo Gap (on the e side of the North Fork of the Feather River, near the Poe Power House); e side North Fork Feather River, se of Jarbo Gap 274 Comment
  CHSC50690  Penstemon deustus var. suffrutescens Lowell Ahart 1990-6-1 6506 Butte Growing on the east side of the North Fork of the Feather River, near the Poe Power House, about 2 air miles southeast of Jarbo Gap. 274 Comment
  CHSC44711  Penstemon laetus var. leptosepalus R. Banchero 1980-5-23 165 Butte Jct of Pinkston Canyon Canyon and Hwy 70. 633 Comment
  NY604515  Penstemon laetus var. leptosepalus A. A. Heller 1938-5-28 15123 Butte Along the Feather River Highway on roadside banks 25 miles from Oroville. Comment
  POM252808  Penstemon laetus var. leptosepalus A. A. Heller 1938-5-28 15123 Butte Along the Feather River Highway on roadside banks, 25 miles from Oroville. Comment
  RSA34041  Penstemon laetus var. leptosepalus A. A. Heller 1938-5-28 15123 Butte 25 miles from Oroville on Feather River Hwy. Comment
  UC887104  Penstemon laetus var. leptosepalus Lewis S. Rose 1939-6-7 39236 Butte 3 mi s Pulga (S Fork Feather River); , s of Pulga 609 Comment
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Jul 24 2008
  CHSC32722  Pentagramma triangularis M. S. Taylor 1981-4-8 3483 Butte E side of Dark Canyon Rd, 2.2 mi s of its jct with Big Bend Rds jct, ca. 3 air mi s of Jarbo Gap on Hwy 70. 426 Comment
  CHSC32724  Pentagramma triangularis subsp. semipallida M. S. Taylor 1981-4-8 3497 Butte At end of Dark Canyon Rd, around the turnout near the restroom up from the boat ramp to West Branch Feather River, ca. 3.5 mi s of its jct with Big Bend Rds jct, ca. 5 air mi s of Jarbo Gap on Hwy 70. 304 Comment
  CHSC92455  Pentagramma triangularis subsp. semipallida Lowell Ahart 2005-11-12 12482 Butte Steep road cut on the east side of Dark Canyon Road, south of the large parking area, south of the gate, end of Dark Canyon Road, about 3 miles (air) south of Highway 70 at Big Bend Road. 293 Comment
  JEPS108137  Pentagramma triangularis subsp. semipallida Lowell Ahart 2005-11-12 12482 Butte Steep road cut on the east side of Dark Canyon Road, south of the large parking area, south of the gate, end of Dark Canyon Road, about 3 miles (air) south of Highway 70 at Big Bend Road 293 Comment
  CAS-BOT-BC418955  Persicaria lapathifolia Lowell Ahart 1987-7-3 5766 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CAS-BOT-BC419318  Persicaria punctata Lowell Ahart 1987-5-27 5716 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC116135  Persicaria punctata Lowell Ahart 2015-11-7 20635 Butte On the bottom of Grizzly Creek, flows into Dark Canyon, about 1/8 mile southwest of the parking area at the end of old highway Alternate 40, strand of Lake Oroville, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 231 Comment
  CHSC92380  Persicaria punctata Lowell Ahart 2005-11-12 12489 Butte Bottom of Dark Canyon Creek, about 150 yards south of the train tunnels, west of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70 at Big Bend Road. 293 Comment
  CHSC101117  Petrorhagia dubia Zachary Garcia 2008-4-8 Butte Dark Canyon Rd. 591 Comment
  CHSC33722  Petrorhagia dubia M. S. Taylor 1981-4-5 3487 Butte E side of Dark Canyon Rd, 2.2 mi s of its jct with Big Bend Rds, ca. 3 air mi s of Jarbo Gap on Hwy 70. 426 Comment
  CHSC44386  Petrorhagia dubia Lowell Ahart 1988-5-30 6026 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC40034  Phacelia corymbosa A. A. Heller 1938-5-28 15118 Butte On a steep gravelly slope about scattered shrubs on the Feather River Highway 23 miles from Oroville. Comment
  JEPS50781  Phacelia corymbosa Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9281 Butte along Feather River Hwy (now CA 70) about 3 1/4 mi n Jarbo Gap 609 Comment
  UC726915  Phacelia corymbosa A. A. Heller 1938-5-28 15118 Butte on Feather River Hwy 23 mi Oroville Comment
  CHSC42353  Phacelia heterophylla subsp. virgata Lowell Ahart 1987-5-9 5593 Butte On dry disturbed soil along Pulga Road, about 1/2 mile south-west of Bardees Bar along the North Fork of the Feather River, about 3 miles south-west of Pulga. 365 Comment
  RSA31961  Phacelia heterophylla subsp. virgata A. A. Heller 1938-5-28 15124 Butte Somewhat shaded places along the Feather River Hwy in moist soil, 25 miles from Oroville Comment
  CAS-BOT-BC72716  Philadelphus lewisii Lewis S. Rose 1939-6-7 39237 Yuba N. Fork of Feather River, 3 mi. S. of Pulga 609 Comment
  CHSC114285  Philadelphus lewisii J. R. Keck Jr. 1978-5-23 Butte Highway 70, Jarboe Gap. Near Poe Power House. Comment
  CHSC1644  Philadelphus lewisii 1954-5-30 Butte Below Concow reservoir. 609 Comment
  CHSC23701  Philadelphus lewisii M. S. Taylor 1976-5-5 1113 Butte Abundant along creek ca. 5 ft s of Hwy 70, ca. 20 mi ne of Oroville. Comment
  CHSC64175  Philadelphus lewisii H. H. Schmidt; M. Merello, L. Woodruff 1993-6-15 863 Butte Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70. Label says Lat. is 39 deg, 45', 78' N. Openings in forest. 880 Comment
  UC858334  Philadelphus lewisii Lewis S. Rose 1939-6-7 39237 Butte 3 mi s Pulga; N. Fork of Feather River 609 Comment
  CDA25504  Philadelphus lewisii subsp. californicus J. R. Keck Jr. 1978-5-23 PDR# 330032 Butte Highway 70, Jarboe Gap. Near Poe Power House. 0 Comment
  SEINET3131071  Philadelphus lewisii var. californicus L. S. Rose 1939-6-7 39237 Yuba N Fork of Feather River, 3 mi. S of Pulga 610 Comment
  CHSC1305  Phlox speciosa subsp. occidentalis T. Morgue 1932-4-18 Butte Concow Reservoir. 579 Comment
  CHSC85445  Phoradendron libocedri R. D. Fischer; Jenny Marr 2003-11-23 15 Butte Sierra Nevada foothills, west of Hwy 70 between Jarbo Gap and Pulga, on logging rd U30 off Rim Rd out of Jarbo Gap. 853 Comment
  UC34934  Phoradendron villosum E. R. Drew 1889-1-1 Butte Yankee Hill Comment
  CHSC51373  Physalis acutifolia Vernon Oswald; Lowell Ahart 1990-10-11 4456 Butte Dark Canyon arm of Lake Oroville, about 4 miles south of Jarbo Gap. On the edge of the ramp road below the high-water line of the lake. 265 Comment
  CAS-BOT-BC140564  Physocarpus capitatus S. Bianco 1995-10-28 S. 1043 Butte Near Crain Park, along E margin of Concow Lake 610 Comment
  CHSC35299  Physocarpus capitatus Robert A. Schlising; Coleta Lawler 1981-8-8 4192 Butte Concow Reservoir E of Paradise. At roadside. Comment
  CHSC36431  Physocarpus capitatus Robert A. Schlising; Coleta Lawler 1981-8-8 4192 Butte E of Paradise at Concow Reservoir. Roadside. Comment
  CHSC44449  Piperia transversa Lowell Ahart 1988-6-21 6053 Butte Along Poe Power House Road, about 3/4 mile north of the Poe Power House, about 1 1/4 miles south-east of Jarbo Gap. 426 Comment
  JEPS102238  Piperia transversa L. P. Janeway 1996-5-27 4981 Butte Northern Sierra Nevada Foothills. Next to the road into Vinton Gulch; 100 ft east of Cherokee Road. 307 Comment
  CAS-BOT-BC254403  Piptatherum miliaceum John Thomas Howell 1961-9-22 36763 Butte N Fork of Feather River, 10 miles from Oroville 121 Comment
  CAS-BOT-BC254406  Piptatherum miliaceum Lowell Ahart 1988-5-30 6016 Butte Near the N Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap 274 Comment
  CHSC44458  Piptatherum miliaceum Lowell Ahart 1988-5-30 6016 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC43468  Plagiobothrys glyptocarpus Lowell Ahart 1979-4-30 1853 Butte About 1 mile northeast of the West Branch Bridge across Lake Oroville. In seeps and small streams. 365 Comment
  CAS-BOT-BC228250  Plagiobothrys hispidulus Lowell Ahart 1987-5-6 5506 Butte Along the N Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap 271 Comment
  CHSC42514  Plagiobothrys hispidulus Lowell Ahart 1987-5-6 5506 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42706  Plantago coronopus Lowell Ahart 1987-6-9 5745 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC63541  Plantago coronopus Vernon H. Oswald 1994-4-14 6107 Butte Old railroad grade along the N. Fork Feather River ca. 0.25 mi W of Stony Creek, E of Poe Powerhouse. 301 Comment
  CHSC52449  Plantago erecta Diane M. Reilly 1980-4-19 17 Butte Under power lines, ca. 1/4 mi SW off Big Bend Rd, ca. 2 mi off hwy 70, ca. 25 mi E of Chico. 609 Comment
  CHSC42550  Plantago lanceolata Lowell Ahart 1987-5-6 5531 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC42549  Plantago major Lowell Ahart 1987-5-6 5532 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC93161  Platanus racemosa John Thomas Howell 1961-9-22 36766 Butte Sierra Nevada. North Fork of Feather River, 10 miles from Oroville. 121 Comment
  CHSC33726  Plectritis ciliosa M. S. Taylor 1981-4-5 3491 Butte At end of Dark Canyon Rd near turnout at restroom, up from boatramp to W Br Feather River, ca. 3.5 mi s of Big Bend Rds jct, ca. 5 air mi s of Jarbo Gap on Hwy 70. 304 Comment
  CHSC44360  Plectritis ciliosa Lowell Ahart 1988-3-27 5939 Butte West of the deep road cut, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 335 Comment
  CAS-BOT-BC244400  Poa annua Lowell Ahart 1987-5-6 5559 Butte Along the N Fork of the Feather RIver, near the Poe Power House, about 2 miles SE of Jarbo Gap 271 Comment
  CHSC42454  Poa annua Lowell Ahart 1987-5-6 5559 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC254921  Poa bulbosa Lowell Ahart 1987-5-6 5561 Butte Along the road, at the Poe Power House along the North Fork of the Feather RIver, about 2 miles SE of Jarbo Gap 283 Comment
  CHSC42452  Poa bulbosa Lowell Ahart 1987-5-27 5718 Butte At the intersection of Big Bend Road and Dark Canyon Road, about 1 mile south of Jarbo Gap. 640 Comment
  CHSC42453  Poa bulbosa Lowell Ahart 1987-5-6 5561 Butte Along the road, at the Poe Power House along the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 283 Comment
  CAS-BOT-BC255974  Poa pratensis Lowell Ahart 1987-5-6 5560 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42451  Poa pratensis Lowell Ahart 1987-5-6 5560 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  RSA712924  Poa secunda L. Ahart 2006-5-10 12615 Butte On the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2.5 miles (air) southwest of Pulga. 355 Comment
  CAS-BOT-BC236365  Poa secunda subsp. secunda Lowell Ahart 1985-5-15 4996 Butte 1/8 mile E of the dirt road, about 1.5 miles NE of Concow Res. 800 Comment
  CHSC93505  Poa secunda subsp. secunda Lowell Ahart 2006-5-10 12615 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 354 Comment
  JEPS110239  Poa secunda subsp. secunda Lowell Ahart 2006-5-10 12615 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 354 Comment
  CHSC42403  Poa trivialis subsp. trivialis Lowell Ahart 1987-6-9 5731 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC167553  Polygala cornuta var. cornuta Clarence R. Quick 1962-6-22 62 -39 Butte Junction of Rim Road with Concow Res., Flea Valley Road Comment
  CHSC43265  Polygonum aviculare Lowell Ahart 1987-9-24 5893 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CAS-BOT-BC109142  Polygonum bidwelliae Clare B. Hardham 1974-5-24 20 -150 Butte North of Penty-Line Ridge north of Oroville. Comment
  CHSC60761  Polygonum californicum Vernon H. Oswald; Lawrence P. Janeway 1993-6-6 5490 Butte S of Jarbo Gap on Dark Canyon Rd., ca. 0.1 mi N of the ramp into Lake Oroville. 289 Comment
  CAS-BOT-BC72032  Polypodium calirhiza A. A. Heller 1919-3-29 13090 Butte Feather River near Yankee Hill 533 Comment
  CHSC39620  Polypodium calirhiza Lowell Ahart 1983-4-1 3917 Butte East of the water fountain, along old Highway 40, near the end of the road where it runs into Lake Oroville, about 4 miles south of Jarbo Gap. 350 Comment
  CHSC42503  Polypodium calirhiza Lowell Ahart 1987-5-9 5598 Butte Along Pulga Road, about 1/2 mile south-west of Bardees Bar along the North Fork of the Feather River, about 3 miles south-west of Pulga. 365 Comment
  CAS-BOT-BC232962  Polypogon australis Lowell Ahart 1987-6-9 5730 Butte Along the N Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap 271 Comment
  CHSC42399  Polypogon australis Lowell Ahart 1987-6-9 5730 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC233053  Polypogon interruptus Lowell Ahart 1987-5-27 5699 Butte On sand bar along the N Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap 271 Comment
  CHSC42450  Polypogon interruptus Lowell Ahart 1987-5-27 5699 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC232573  Polypogon monspeliensis Lowell Ahart 1987-5-27 5698 Butte On a sand bar along the N Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap 271 Comment
  CHSC42449  Polypogon monspeliensis Lowell Ahart 1987-5-27 5698 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC237454  Polypogon viridis Lowell Ahart 1987-5-27 5700 Butte Along the N Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap 271 Comment
  CHSC32751  Polystichum imbricans M. S. Taylor 1981-4-14 3530 Butte On s side of Ponderosa Way (Rim Rd.), ca. 2 mi n of Jarbo Gap on Hwy 70, ca. 20 air mi n of Oroville. 883 Comment
  CDA42715  Polystichum imbricans subsp. imbricans L. Ahart 2005-11-12 12488 Butte On the west side of Dark Canyon Creek, about 150 yards south of the train tunnels, west of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70 at Beg Bend Road. Comment
  CHSC92384  Polystichum imbricans subsp. imbricans Lowell Ahart 2005-11-12 12488 Butte On the west side of Dark Canyon Creek, about 150 yards south of the train tunnels, west of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70 at Big Bend Road. 293 Comment
  JEPS108138  Polystichum imbricans subsp. imbricans Lowell Ahart 2005-11-12 12488 Butte On the west side of Dark Canyon Creek, about 150 yards south of the train tunnels, west of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70 at Big Bend Road 293 Comment
  RSA713016  Polystichum imbricans subsp. imbricans L. Ahart 2005-11-12 12488 Butte On the west side of Dark Canyon Creek, about 150 yards south of the train tunnels, west of Dark Canyob Road about 2.5 air mile south of Highway 70 at Big Bend Road. 294 Comment
  SFV10667  Polystichum lonchitis M. L. Vincent 1963-6-8 406 Butte Concow Lake, Concow Road - Nelson Bar Road. 615 Comment
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May 14 2014
  CHSC42546  Potentilla biennis Lowell Ahart 1987-5-27 5689 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42427  Potentilla recta Lowell Ahart 1987-5-27 5690 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC154598  Prunus persica John Thomas Howell 1976-7-14 51816 Butte Feather RIver Canyon Highway, just east of Jarbo Gap. Southwest of Bucks Lake on road to Oroville 640 Comment
  CAS-BOT-BC151221  Prunus virginiana var. demissa Lowell Ahart 1988-5-1 5980 Butte On the south side of Big Bend Road, about 1/2 mile south of Jarbo Gap 609 Comment
  CHSC44347  Prunus virginiana var. demissa Lowell Ahart 1988-5-1 5980 Butte On the south side of Big Bend Road, about 1/2 mile south of Jarbo Gap. 609 Comment
  CAS-BOT-BC356394  Pseudognaphalium beneolens Lowell Ahart 1987-8-30 5866 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap 271 Comment
  CHSC116122  Pseudognaphalium luteoalbum Lowell Ahart 2015-11-7 20629 Butte On the bottom of Grizzly Creek (flows into Dark Canyon), about 1/8 mile southwest of the parking area at the end of old highway Alternate 40, strand of Lake Oroville, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 231 Comment
  CHSC42464  Pseudognaphalium luteoalbum Lowell Ahart 1987-5-6 5500 Butte Along the North Fork of the Feather River, near Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  JEPS124148  Pseudognaphalium luteoalbum Lowell Ahart 2015-11-7 20629 Butte About 1/8 mile southwest of the parking area at the end of Old Highway Alternate 40, strand of Lake Oroville, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  CHSC42465  Pseudognaphalium stramineum Lowell Ahart 1987-5-6 5501 Butte Along the North Fork of the Feather River, near Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC43273  Pseudognaphalium thermale Lowell Ahart 1987-8-30 5866 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CDA607  Pseudotsuga menziesii T. C. Fuller 1961-11-29 7302 Butte Hwy 40 Alt., Jarbo Gap, Feather River Canyon. Comment
  CHSC32685  Pteridium aquilinum var. pubescens M. S. Taylor; L. Hanson 1981-3-31 3451 Butte SE side of Spur rd, ca. 3/4 mi n of its jct with Ponderosa Way, ca. 2 mi n of its jct with Hwy 70 at Jarbo Gap, ca. 17 air mi n of Oroville. 822 Comment
  CHSC62562  Pycnanthemum californicum B. Castro 1993-7-7 468 Butte Ca 2.5 mi SSW of Big Bar Mtn, on SE-facing slope on the N side of USFS Rd 22N84. 960 Comment
  CHSC63642  Pycnanthemum californicum B. Castro 1993-8-6 495 Butte Ca 100 ft E of Concow Rd, ca 5.1 mi NW of Hwy 70, ca 0.4 mi E of Concow Reservoir. Behind Golden Feather Volunteer Fire Station at jcn Concow Rd and Ishi Trail Rd. 640 Comment
  CHSC70803  Pycnanthemum californicum B. Castro; H. Durio, L. Gehrung 1995-7-24 591 Butte Ca 1.5 air mi S of Hungry Hunt Peak, and 1.5 mi E of Hwy 70, ca 0.2 mi S on 'A' Spur off USFS Rd 22N84. 914 Comment
  CHSC30055  Pyrola aphylla K. R. Stern 1979-6-29 Butte Jas. Moak Property. Parkhill, 1.5 mi S. of Jarhoe Gap. 594 Comment
  CHSC62549  Pyrola aphylla B. Castro; J. Jurewicz 1993-7-6 466 Butte Ca 2.5 mi SSW of Big Bar Mtn, on the N side of USFS Rd 22N84. 975 Comment
  CAS-BOT-BC104151  Quercus X morehus L. R. Abrams 1918-8-1 7244 Butte Las Plumas Comment
  CHSC108750  Quercus wislizeni B. Castro 2002-6-14 1376 Butte Northern Sierra Nevada Foothills. Near Spring on E side of Dark Canyon Road ~0.8 mi NE of boatramp into arm of Lake Oroville. By side of road under transmission lines. 359 Comment
  CHSC32725  Ranunculus hebecarpus M. S. Taylor 1981-4-8 3492 Butte Rd embankment at end of Dark Canyon Rd, around the turnout near the restroom, up from the boat ramp to the West Branch Feather River, ca. 3.5 mi s of its jct with Big Bend Rds jct, ca. 5 air mi s of Jarbo Gap on Hwy 70. 304 Comment
  UC726242  Ranunculus occidentalis A. A. Heller 1938-4-23 15054 Butte on Feather River Hwy 20 mi from Oroville (summit of hwy) Comment
  UC827722  Ranunculus occidentalis A. A. Heller 1938-4-23 15054 Butte 20 mi from Oroville (Feather River Hwy at summit) Comment
  CHSC24679  Ranunculus occidentalis var. occidentalis Keith Lickey 1976-3-27 48 Butte On e side of Hwy 70, 1.25 km n of Pinkston Canyon Rd. 609 Comment
  CHSC42404  Ranunculus sardous Lowell Ahart 1987-6-9 5739 Butte On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42729  Ranunculus sardous Lowell Ahart 1987-5-6 5536 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42492  Rhamnus tomentella subsp. tomentella Lowell Ahart 1987-5-9 5586 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga. 365 Comment
  CHSC605  Rhododendron occidentale P. Delaplane 1965-5-4 48 Butte Found at East end of Lake Concow on Concow Rd. 1219 Comment
  CHSC606  Rhododendron occidentale T. Morgue 1930-4-27 Butte Concow reservoir. 1066 Comment
  CHSC33898  Ribes nevadense M. S. Taylor 1981-4-14 3532 Butte S side of Ponderosa Way, ca. 2 mi n of Jarbo Gap on Hwy 70, ca. 20 air mi n of Oroville. 883 Comment
  CAS-BOT-BC74464  Rorippa curvisiliqua Lowell Ahart 1987-5-6 5512 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC116130  Rorippa curvisiliqua var. orientalis Lowell Ahart 2015-11-7 20630 Butte On the bottom of Grizzly Creek, flows into Dark Canyon, about 1/8 mile southwest of the parking area at the end of old highway Alternate 40, strand of Lake Oroville, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 231 Comment
  CHSC42699  Rorippa curvisiliqua var. orientalis Lowell Ahart 1987-5-6 5512 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  JEPS124147  Rorippa curvisiliqua var. orientalis Lowell Ahart 2015-11-7 20630 Butte About 1/8 mile southwest of the parking area at the end of Old Highway Alternate 40, strand of Lake Oroville, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  CHSC42947  Rorippa palustris var. fernaldiana Lowell Ahart 1987-7-3 5779 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC43210  Rosa multiflora L. P. Janeway 1987-5-20 2068 Butte Turnout and seep area on east side of hwy 70 just south of the 'Rock House' and 0.5 mi south of Jarbo Gap. 670 Comment
  CAS-BOT-BC274224  Rostraria cristata Lowell Ahart 1987-5-6 5557 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42719  Rubus armeniacus Lowell Ahart 1987-6-9 5736 Butte On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC52470  Rubus armeniacus L. P. Janeway 1987-5-20 2067 Butte Turnout and seepy area on E side of Hwy 70 just S of the 'Rock House' and 0.5 mi S of Jarbo Gap. 670 Comment
  CAS-BOT-BC156607  Rubus bifrons Lowell Ahart 1987-6-9 5736 Butte On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 274 Comment
  CHSC45814  Rubus laciniatus L. P. Janeway 1987-6-13 2186 Butte At the Crain Mill site, 1.6 mi N along Ponderosa Way (Rim Rd) from Jarbo Gap. 883 Comment
  CHSC64663  Rubus laciniatus H. H. Schmidt; M. Merello, L. Woodruff 1993-6-15 861 Butte Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70. Latitude on label says '39 degrees 45 minutes 78 seconds N'. 880 Comment
  CHSC23700  Rubus parviflorus M. S. Taylor 1976-5-5 1112 Butte Along creek, ca. 5 ft s of Hwy 70, ca. 20 me ne of Oroville. Comment
  CAS-BOT-BC158769  Rubus ursinus Lowell Ahart 1987-5-9 5590 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga 365 Comment
  CHSC106575  Rubus ursinus B. Ignacio 2008-4-10 Butte Dark Canyon Rd. Found on side of road on North facing cliff in shade of Pinus ponderosa Laws. 545 Comment
  CHSC42425  Rubus ursinus Lowell Ahart 1987-5-9 5590 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga. 365 Comment
  CHSC1354  Rumex acetosella P. Delaplane 1965-5-4 49 Butte Found at E. end of Lake concow on Concow Rd. 1219 Comment
  CHSC42737  Sagina apetala Lowell Ahart 1987-5-6 5515 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42736  Sagina saginoides Lowell Ahart 1987-5-6 5516 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42436  Salix exigua var. hindsiana Lowell Ahart 1987-5-6 5540 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC104073  Salix hindsiana Lowell Ahart 1987-5-6 5538 Butte along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CAS-BOT-BC104074  Salix hindsiana Lowell Ahart 1987-5-6 5540 Butte along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CAS-BOT-BC129622  Salix lasiolepis var. lasiolepis John Thomas Howell 1961-9-22 36776 Butte West Branch of North Fork Feather River near Jarbo Gap - Sierra Nevada Comment
  CAS-BOT-BC129624  Salix lasiolepis var. lasiolepis John Thomas Howell 1961-9-22 36779 Butte Jarbo Gap, Feather River Highway - Sierra Nevada 60 Comment
  CAS-BOT-BC129493  Salix melanopsis Lowell Ahart 1987-5-6 5539 Butte On a gravel bar, along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC42544  Salix melanopsis Lowell Ahart 1987-5-6 5539 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC1981  Sanicula bipinnatifida var. flava P. Delaplane 1965-5-4 59 Butte At E end of Lake Concow on Concow Road. 1219 Comment
  CHSC42388  Saponaria officinalis Lowell Ahart 1987-6-9 5725 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC43274  Saponaria officinalis Lowell Ahart 1987-8-30 5864 Butte On gravel bars along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC114939  Scandix pecten-veneris Lowell Ahart 2015-4-13 20040 Butte Gold mined area on the south side of the road on the boat ramp, Vinton Gulch, about 10 miles (air) north of Oroville. Foothill Woodland. 307 Comment
  JEPS124202  Scandix pecten-veneris Lowell Ahart 2015-4-13 20040 Butte Vinton Gulch, about 10 miles (air) north of Oroville. Comment
  CAS-BOT-BC283624  Schedonorus pratensis John Thomas Howell 1951-6-26 27520 Butte Big Bend Mt 609 Comment
  RSA88186  Schedonorus pratensis J. T. Howell 1951-6-26 27520 Butte Big Bend Mt. 610 Comment
  CAS-BOT-BC111831  Schoenoplectus tabernaemontani Lowell Ahart 1987-8-3 5846 Butte Along the North Fork of the Feather River, near the Poe Power House, 271 Comment
  CAS-BOT-BC111833  Schoenoplectus tabernaemontani Lowell Ahart 1987-9-24 5898 Butte Along the North Fork of the Feather River, near the Poe Power House, 271 Comment
  CHSC42769  Schoenoplectus tabernaemontani Lowell Ahart 1987-8-3 5846 Butte Along the North Fork of the Feather River, near Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC43291  Schoenoplectus tabernaemontani Lowell Ahart 1987-9-24 5898 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC39618  Scleranthus annuus subsp. annuus Lowell Ahart 1983-4-1 3915 Butte Found along the edge of old Highway 40, near the water fountain, near the end of the road where it runs into Lake Oroville, about 4 miles south of Jarbo Gap. 350 Comment
  CHSC42735  Scleranthus annuus subsp. annuus Lowell Ahart 1987-5-6 5517 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC62543  Scleranthus annuus subsp. annuus L. P. Janeway 1993-5-2 4343 Butte Along Dark Canyon Road 1.0 mi south of Big Bend Road. Roadside. 502 Comment
  CHSC44402  Scutellaria californica Lowell Ahart 1988-6-21 6057 Butte Along Poe Power House Road, about 3/4 mile north of the Poe Power House, about 1 1/4 miles south-east of Jarbo Gap. 426 Comment
  CHSC56758  Scutellaria californica L. P. Janeway 1991-6-1 3984 Butte West-facing cut-bank of Dark Canyon Road 2.7 mi south of Big Bend Road/ Parkhill. 350 Comment
  CHSC70806  Scutellaria californica H. Durio; L. Gehrung 1995-7-24 Butte Ca 1.5 air mi S of Hungry Hunt Peak, and 1.5 mi E of Hwy 70, ca 0.2 mi S on 'A' Spur off off USFS Rd 22N84. 914 Comment
  CHSC93861  Scutellaria californica Lowell Ahart 2006-6-9 12658 Butte On the north side of Bardees Bar Road, north of the small stream, on the east side of the large stream, about 1/8 mile northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 385 Comment
  HSC96904  Scutellaria californica L. Ahart 2006-6-9 12658 Butte On N side of Bardees Bar Rd., ca. 1/8 mi. NW of the poor bridge across the N Fork of the Feather River at Bardees Bar, about 2 3/4 mi. SW of Pulga 386 Comment
  JEPS108982  Scutellaria californica Lowell Ahart 2006-6-9 12658 Butte On the north side of Bardees Bar Road, north of the small stream, on the east side of the large stream, about 1/8 mile northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 385 Comment
  RSA718334  Scutellaria californica L. Ahart 2006-6-9 12658 Butte North side of Bardees Bar Road, north of the small stream, on the east side of the large stream, about 1/8 mile northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2.75 miles (air) southwest of Pulga. 386 Comment
  CHSC42834  Scutellaria siphocampyloides L. P. Janeway 1987-5-20 2069 Butte Turnout and overgrown seep area on east side of hwy 70 just S of the 'rockhouse' and 0.5 mi S of Jarbo Gap. 670 Comment
  CHSC33588  Scutellaria tuberosa M. S. Taylor 1981-4-28 3565 Butte N side of rd 23N28.2 in loop of the rd, ca. 1.2 mi w of Chino Creek, ca. 4 air mi e of Jarbo Gap on Hwy 70. ca. 23 air mi nw of Oroville. 929 Comment
  CAS-BOT-BC240054  Secale cereale Lowell Ahart 1987-5-6 5571 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42518  Secale cereale Lowell Ahart 1987-5-6 5571 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC21005  Sedum spathulifolium M. S. Taylor 1975-4-29 546 Butte On s side of Hwy 70, ca. 25 mi ne of Oroville. Comment
  CHSC94240  Sedum spathulifolium Lowell Ahart 2006-5-10 12627 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 405 Comment
  CHSC48043  Selaginella hansenii L. P. Janeway 1984-10-8 1179 Butte Along Hwy 70 above North Fork Feather River. 609 Comment
  JEPS89349  Senecio Dean W. Taylor 1997-4-9 15967 Butte along Hwy. 70 ca. 2 rd. mi. w. of bridge over the river at Pulga (Feather River Canyon, Plumas Nat'l Forest); Sierra Nevada (nSNF), Plumas Nat'l Forest, Feather River Ca 579 Comment
  SBBG32387  Senecio eurycephalus L. S. Rose 1967-6-11 Butte 3 mi S of Pulga, Feather River Cyn Comment
  RSA302659  Senecio eurycephalus var. lewisrosei J. R. Shevock 1972-5-19 1777 Butte Hwy 70, Feather River Canyon. 21 Comment
  RSA32802  Senecio eurycephalus var. lewisrosei A. A. Heller 1938-5-28 s.n. Butte Feather River Hwy, 23 miles from Oroville Comment
  RSA712950  Senecio eurycephalus var. lewisrosei L. Ahart 2006-5-10 12616 Butte Bardees Bar Road, about 100 yards north of poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of pulga. 355 Comment
  SFV11410  Senecio hydrophiloides M. L. Vincent 1965-4-17 638 Butte 6 miles north of New Feather River bridge (west fork). Comment
  CAS-BOT-BC213666  Senecio lewisrosei Lewis S. Rose 1939-6-7 39247 Butte North Fork of Feather River, 3 mi. s. of Pulga, Canyon side 609 Comment
  CAS-BOT-BC213676  Senecio lewisrosei Lewis S. Rose 1939-6-7 39247 Butte North Fork of Feather River, 3 mi. s. of Pulga, Canyon side 609 Comment
  CAS-BOT-BC5710  Senecio lewisrosei Lewis Samuel Rose 1939-6-7 39247 Butte North Fork of the Feather River, 3 mi S of Pulga 609 Comment
  CAS-BOT-BC5711  Senecio lewisrosei Lewis Samuel Rose 1939-6-7 39247 Butte North Fork of Feather River, 3 mi S of Pulga. 609 Comment
  GH11968  Senecio lewisrosei L. S. Rose 1939-6-7 39247 Unknown North Fork of Feather River, 3 miles south of Pulga Comment
  GH11969  Senecio lewisrosei L. S. Rose 1939-6-7 39247 Unknown North Fork of Feather River, 3 miles south of Pulga Comment
  NY233354  Senecio lewisrosei L. S. Rose 1939-6-7 39247 Butte North Fork of Feather River, 3 miles south of Pulga 609.6 Comment
  NY233355  Senecio lewisrosei L. S. Rose 1939-6-7 39247 Butte North Fork of Feather River, 3 miles south of Pulga 609.6 Comment
  NY233356  Senecio lewisrosei L. S. Rose 1939-6-7 39247 Butte North Fork of Feather River, 3 miles south of Pulga 609.6 Comment
  CHSC42468  Senecio sylvaticus Lowell Ahart 1987-5-6 5564 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42455  Senecio vulgaris Lowell Ahart 1987-5-6 5505 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC43289  Setaria gracilis Lowell Ahart 1987-9-24 5899 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC243561  Setaria parviflora Lowell Ahart 1987-9-24 5899 Butte Along the North Fork of teh Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CAS-BOT-BC240120  Setaria pumila John Thomas Howell 1961-9-22 36765 Butte North Fork of Feather River, 10 miles from Oroville Comment
  CAS-BOT-BC240125  Setaria pumila Lowell Ahart 1987-5-27 5705 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42922  Setaria pumila Lowell Ahart 1987-7-3 5768 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC37439  Sidalcea asprella R. A. Schlising; J. D. Jokerst 1982-6-4 4286 Butte N of Oroville and n of Jarbo Gap along Hwy 70. Comment
  CHSC44634  Sidalcea oregana subsp. spicata Lowell Ahart 1988-6-21 6049 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jargo Gap. 271 Comment
  CAS-BOT-BC384465  Silene antirrhina Lowell Ahart 1988-5-30 6027 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC44387  Silene antirrhina Lowell Ahart 1988-5-30 6027 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC44486  Silene gallica Lowell Ahart 1988-5-1 5974 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC31132  Silene laciniata subsp. californica Diane M. Reilly 1980-3-21 1 Butte On road cut, ne side of Dark Canyon Rd, ca. 2 mi off Hwy 70, ca. 25 mi e of Chico. 487 Comment
  CHSC32726  Silene laciniata subsp. californica M. S. Taylor 1981-4-8 3495 Butte Embankment at end of Dark Canyon Rd around the turnout near the restroom up from the boat ramp to West Branch Feather River, ca. 3.5 mi s of its jct with Big Bend Rds jct, ca. 5 air mi s of Jarbo Gap on Hwy 70. 304 Comment
  CAS-BOT-BC75027  Sisymbrium altissimum Lowell Ahart 1987-5-6 5513 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 274 Comment
  CHSC42698  Sisymbrium altissimum Lowell Ahart 1987-5-6 5513 Butte Gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC116307  Solanum americanum Lowell Ahart 2015-11-7 20631 Butte On the bottom of Grizzly Creek, flowrs into Dark Canyone about 1/8 mile southwest of the parking area at the end of old highway Alternate 40, strand of Lake Oroville, aobut 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 231 Comment
  CHSC42428  Solanum americanum Lowell Ahart 1987-5-27 5687 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC92478  Solanum americanum Lowell Ahart 2005-11-20 12492 Butte On the east side of the North Fork of the Feather River, about 50 yards southwest of the Poe Power House. 275 Comment
  JEPS124146  Solanum americanum Lowell Ahart 2015-11-7 20631 Butte About 1/8 mile southwest of the parking area at the end of Old Highway Alternate 40, strand of Lake Oroville, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  CDA41197  Solanum parishii L. Ahart 2006-5-19 12633 Butte On the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. Comment
  CHSC31407  Solanum parishii Diane M. Reilly 1980-4-19 14 Butte Under power lines, ca. 1/4 mi sw off Big Bend Rd, ca. 2 mi off Hwy 70, ca. 25 mi e of Chico. 609 Comment
  CHSC32733  Solanum parishii M. S. Taylor 1981-4-8 3502 Butte W side of Dark Canyon Rd, ca. 3 mi s of its jct with Big Bend Rds jct, ca. 4 air mi s of Jarbo Gap on Hwy 70. 365 Comment
  CHSC42429  Solanum parishii Lowell Ahart 1987-5-9 5599 Butte Along Pulga Road, about 1/2 mile south-west of Bardees Bar along the North Fork of the Feather River, about 3 miles south-west of Pulga. 365 Comment
  CHSC67398  Solanum parishii James D. Jokerst; R. A. Schlising 1985-4-8 2226 Butte Feather River Serpentine near Hwy. 70 on unnamed road ca. 0.25 mi N of Parkhill Rd., ca. 50 m E of BM 2089. 579 Comment
  CHSC93797  Solanum parishii Lowell Ahart 2006-5-19 12633 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 405 Comment
  HSC97107  Solanum parishii L. Ahart 2006-5-19 12633 Butte W side of Bardees Bar Rd., S of small stream, .25 mi. SW of the bridge across the N Fork of the Feather River, 2.75 mi. SW of Pulga 406 Comment
  UCD126991  Solanum parishii M. S. Taylor 1981-4-8 3502 Butte West side of Dark Canyon Road, ca. 3 miles south of its junction with Big Bend Roads junction, ca. 4 air miles south of Jarbo Gap on Hwy 70. 365 Comment
  JEPS108860  Solanum umbelliferum Lowell Ahart 2006-5-19 12633 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 405 Comment
  RSA712995  Solanum umbelliferum L. Ahart 2006-5-19 12633 Butte On the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 406 Comment
  CHSC43001  Sonchus asper Lowell Ahart 1987-7-17 5829 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42488  Spergularia rubra Lowell Ahart 1987-5-6 5518 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC44532  Spiranthes porrifolia Lowell Ahart 1988-5-30 6032 Butte About 1/12 mile north of the bridge across the North Fork of the Feather River, along Poe Power House Road, about 2 miles south-east of Jarbo Gap. 335 Comment
  CHSC44404  Stachys ajugoides var. rigida Lowell Ahart 1988-6-21 6046 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC44405  Stachys ajugoides var. rigida Lowell Ahart 1988-6-21 6046 a Butte Along the edge of North Fork Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC108744  Stachys pycnantha B. Castro; L. P. Janeway 2002-8-11 1380 Butte Northern High Sierra Nevada. Along NW side of Hwy 70, 0.8 mi NE of Jarbo Gap; at roadside seep feeding unnamed ephemeral tributary of N. Fork Feather River. 670 Comment
  CHSC60609  Stachys pycnantha L. P. Janeway 1992-6-13 4235 Butte Along Piute Drive, ca 1/4 mi east of Dark Canyon Road and ca 1/2 mi south of Parkhill and Big Bend Road. 594 Comment
  CHSC70805  Stachys pycnantha H. Durio 1995-7-24 Butte Ca 1.5 air mi S of Hungry Hunt Peak, and 1.5 mi E of Hwy 70, ca 0.2 mi S on 'A' Spur off USFS Rd 22N84. 914 Comment
  JEPS118641  Stachys pycnantha B. Castro and L. P. Janeway 2002-8-11 1380 Butte Northern High Sierra Nevada. Along NW side of Hwy 70, 0.8 mi NE of Jarbo Gap; at roadside seep feeding unnamed ephemeral tributary of N. Fork Feather River. Berry Creek 7.5' Quad. Comment
  CHSC116270  Stellaria media Lowell Ahart 2015-11-7 20634 Butte On the bottom of Grizzly Creek, flows into Dark Canyon, about 1/8 mile southwest of parking area at end of old highway Alternate 50, strand of Lake Oroville, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 231 Comment
  CHSC42734  Stellaria media Lowell Ahart 1987-5-27 5703 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC395115  Stellaria nitens Lowell Ahart 1988-3-27 5935 Butte Along the N Fork of the Feather River, a little N of the Poe Power House, about 2 miles SE of Jarbo Gap 274 Comment
  CHSC44489  Stellaria nitens Lowell Ahart 1988-3-27 5935 Butte Along the North Fork of the Feather River, a little north of the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC42486  Stellaria obtusa Lowell Ahart 1987-5-6 5519 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC51359  Stephanomeria virgata subsp. pleurocarpa Vernon Oswald; Lowell Ahart 1990-10-11 4463 Butte Spur road off of Dark Canyon Rd, leading to the opening between railroad tunnels No. 7 and No. 8, about 4 miles south of Jarbo Gap. Road cuts. 335 Comment
  UC1586423  Stephanomeria virgata subsp. pleurocarpa Vernon Oswald and Lowell Ahart 1990-10-11 4463 Butte about 4 mi s Jarbo Gap (spur road off Dark Canyon Rd, leading to the opening between railroad tunnels No 7 & 8) 335 Comment
  CHSC102019  Streptanthus longisiliquus Matt Simenc 2009-7-24 Butte Northern High Sierra Nevada. 1.6 air mi north of Jarbo Gap; 0.3 mi northwest of Rim Road/Ponderosa Way; 1.6 road mi north of Jarbo Gap/Hwy 70. Steep west-facing slope, in 50 ft wide forest clearing under powerlilnes, about 1/3 of the way down the steepest part of the slope. 853 Comment
  CHSC62537  Streptanthus longisiliquus B. Castro; L. P. Janeway, J. Jurewicz 1993-7-6 465 Butte Ca 2.5 mi SSW of Big Bar Mtn, on N side of USFS Rd 22N84 ca 1.1 mi N and E of its jcn with major spur road (Rd 22N84A), on upper slopes of a ridge. On SE-facing road cut. 1005 Comment
  JEPS116637  Streptanthus longisiliquus Matt Simenc 2009-7-24 Butte 1.6 air mi north of Jarbo Gap clearing under powerlines about 1/3 of the way down steepest (0.3 mi northwest of Rim Road/Ponderosa Way; 1.6 road mi north of Jarbo Gap/Hwy 70. Steep west-facing slope, in 50 ft wide forest); Northern High Sierra Nevada 853 Comment
  UC1613876  Streptanthus longisiliquus B. Castro and L. P. Janeway with J. Jurewicz 1993-7-6 465 Butte ca. 2.5 mi. s.-s.w. Big Bar Mt. (on n. side of U.S.F.S. RD. 22N84 ca. 1.1 mi. n. & e. of its junction with major spur rd. (Rd. 22N84A) on upper slopes of ridge); Berry Creek quad. 1005 Comment
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Sep 22 2007
  CAS-BOT-BC87425  Streptanthus polygaloides Lewis S. Rose 1939-6-7 39248 Butte North Fork of Feather River, 3 miles south of Pulga. 609 Comment
  CAS-BOT-BC87439  Streptanthus polygaloides Lowell Ahart 1988-5-30 6034 Butte Along Poe Powerhouse Road, about 0.1 mile north of the bridge across the North Fork of the Feather River. 365 Comment
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Sep 7 2020
  CAS-BOT-BC87441  Streptanthus polygaloides Clarence R. Quick 1964-7-9 64 -54 Butte Sierra Nevada. North of Jarbo Gap. Comment
  CAS-BOT-BC87442  Streptanthus polygaloides A. A. Heller 1938-5-28 15120 Butte 23 miles east of Oroville on Highway #24. Comment
  CHSC33179  Streptanthus polygaloides R. E. Preston 1981-6-2 76 Butte Ca. 100 m n of Bardee's Bar Rd., ca. 0.8 km from its jct with Big Bend Rd., ca. 24 km nne of Oroville. 670 Comment
  CHSC44382  Streptanthus polygaloides Lowell Ahart 1988-5-30 6034 Butte Along Poe Power House Road, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 365 Comment
  CHSC93454  Streptanthus polygaloides Lowell Ahart 2006-5-10 12612 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 354 Comment
  CHSC93856  Streptanthus polygaloides Lowell Ahart 2006-6-9 12653 Butte On the west side of Bardees Bar Road, north of the small stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 385 Comment
  GH422258  Streptanthus polygaloides L. S. Rose 1939-6-7 39248 Unknown N. Fork of Feather River, 3 mi. s. of Pulga 609 Comment
  GH422263  Streptanthus polygaloides J. T. Howell & H. K. Wagnon 1980-5-26 53578 Unknown Feather River Canyon Highway, 2.4 miles southwest of Pulga Bridge Comment
  HSC96717  Streptanthus polygaloides L. Ahart 2006-5-10 12612 Butte N side of poor dirt road, Bardees Bar Rd., 100 yds. N of poor bridge across N Fork of Feather River at Bardees Bar, 2.5 mi. SW of Pulga 355 Comment
  JEPS108792  Streptanthus polygaloides Lowell Ahart 2006-5-10 12612 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 354 Comment
  JEPS110269  Streptanthus polygaloides Lowell Ahart 2006-6-9 12653 Butte On the west side of Bardees Bar Road, north of the small stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 385 Comment
  RSA32716  Streptanthus polygaloides A. A. Heller 1938-5-28 15120 Butte Feather River Hwy, 23 miles from Oroville Comment
  UC725942  Streptanthus polygaloides A. A. Heller 1938-5-28 15120 Butte steep slopes on Feather River Hwy 23 mi from Oroville Comment
  UC856691  Streptanthus polygaloides A. A. Heller 1938-5-28 15120 Butte steep slopes on Feather River Hwy 23 mi from Oroville Comment
  CAS-BOT-BC87510  Streptanthus tortuosus Lowell Ahart 1987-5-9 5597 Butte Along Pulga Road, about 0.5 mile SW of Bardees Bar along the North Fork of the Feather River, about 3 miles SW of Pulga. 365 Comment
  CHSC42697  Streptanthus tortuosus Lowell Ahart 1987-5-9 5597 Butte Along Pulga Road, about 1/2 mile south-west of Bardees Bar along the North Fork of the Feather River, about 3 miles south-west of Pulga. 365 Comment
  RSA718335  Streptanthus tortuosus L. Ahart 2006-6-9 12647 Butte On the west side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 404 Comment
  CHSC57124  Streptanthus tortuosus var. suffrutescens L. P. Janeway 1991-5-1 3923 Butte Dark Canyon Road ca 1 1/4 mi south of Hwy 70. Road-cut bank. 518 Comment
  CHSC93859  Streptanthus tortuosus var. suffrutescens Lowell Ahart 2006-6-9 12647 Butte Cutbank, on the west side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 403 Comment
  HSC96695  Streptanthus tortuosus var. suffrutescens L. Ahart 2006-6-9 12647 Butte W side of Bardees Bar Rd., S of small stream, 0.25 mi. SW of bridge across N Fork Feather River at Bardees Bar, 2.75 mi. SW of Pulga 404 Comment
  JEPS110447  Streptanthus tortuosus var. suffrutescens Lowell Ahart 2006-6-9 12647 Butte Cutbank, on the west side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 403 Comment
  CAS-BOT-BC48055  Styrax redivivus John Thomas Howell 1961-9-22 36757 Butte North fork of Feather River, 10 miles from Oroville. Comment
  RSA304177  Styrax redivivus James R. Shevock 1972-5-19 1783 Butte S of Storie. Feather River Cyn. 610 Comment
  CHSC42993  Symphyotrichum bracteolatum Lowell Ahart 1987-7-3 5784 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC40468  Symphyotrichum chilense Lowell Ahart 1984-12-28 4833 Butte About 1/2 mile northeast of the West Branch Bridge across lake Oroville, 1/4 mile east of Highway 70, north of Oroville. 400 Comment
  CHSC43239  Symphyotrichum chilense Lowell Ahart 1987-9-24 5896 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CAS-BOT-BC99038  Symphyotrichum cusickii Lowell Ahart 1987-7-3 5784 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of 271 Comment
  CAS-BOT-BC98091  Symphyotrichum spathulatum Lowell Ahart 1987-7-3 5785 Butte along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42995  Symphyotrichum spathulatum var. intermedium Lowell Ahart 1987-7-3 5785 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC43240  Symphyotrichum subulatum var. parviflorum Lowell Ahart 1987-9-24 5895 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC43000  Tanacetum vulgare Lowell Ahart 1987-7-17 5825 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC34796  Tauschia kelloggii M. S. Taylor 1981-5-15 3754 Butte End of spur rd 22N84A, ridge sw of Stony Creek, ca. 2.5 mi due e of Jarbo Gap on Hwy 70. 944 Comment
  CHSC20521  Tellima grandiflora M. S. Taylor 1975-4-29 545 Butte Scattered along Hwy 70, ca. 25 mi n of Oroville. Comment
  CAS-BOT-BC88206  Thysanocarpus curvipes A. A. Heller 1919-3-29 13095 Butte Feather River near Yankee Hill. Comment
  CAS-BOT-BC88207  Thysanocarpus curvipes A. A. Heller 1919-3-29 13095 Butte Feather River near Yankee Hill. Comment
  CHSC31071  Thysanocarpus curvipes Diane M. Reilly 1980-4-19 18 Butte Under power lines, ca. 1/4 mi sw off Big Bend Rd, ca. 2 mi off Hwy 70, ca. 25 mi e of Chico. 609 Comment
  CHSC35014  Thysanocarpus curvipes R. E. Preston 1982-3-20 189 Butte Feather River canyon, n side of Hwy 70, ca. 18 mi n of Oroville. 646 Comment
  CHSC37672  Torilis arvensis subsp. purpurea M. S. Taylor 1982-6-24 4725 Butte E side of Ponderosa Way (Rim Rd), 1.3 mi n of its jct with Hwy 70 at Jarbo Gap. 853 Comment
  CHSC42476  Torilis arvensis subsp. purpurea Lowell Ahart 1987-5-27 5686 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC81371  Torreya californica Lowell Ahart 1987-5-9 5585 Butte along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles 365 Comment
  CHSC3897  Torreya californica Don Heinz 1967-2-12 Butte 2 mi. E of Jarbo Gap, Feather R. Canyon, Hwy. 70. 670 Comment
  CHSC42500  Torreya californica Lowell Ahart 1987-5-9 5585 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga. 365 Comment
  CHSC92543  Torreya californica L. P. Janeway; Matt Brown, Jamie Tuitele-Lewis 2005-4-11 8360 Butte Northern High Sierra Nevada. Plumas National Forest; East-facing slope between Rim Road (Ponderosa Way) and Hwy 70; upper slope of canyon of North Fork Feather River way above Bardee's Bar. 713 Comment
  SFV247  Torreya californica M. L. Vincent 1964-4-10 550 Butte Feather River Canyon. 3 miles north of the village of Jarboe Gap, on alternate highway 40. 625 Comment
  UCD135179  Torreya californica M. Vincent 1964-4-10 550 Butte Three miles north of the village of Jarboe Gap, on alternate Hwy. 40. Feather River Canyon. Comment
  CHSC42923  Torreyochloa pallida var. pauciflora Lowell Ahart 1987-7-3 5788 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC33904  Tragopogon dubius M. S. Taylor 1981-5-15 3751 Butte End of spur rd 22N84A, ridge sw of Stony Creek, ca. 2.5 air mi due e of Jarbo Gap on Feather River Hwy 70. 944 Comment
  CHSC44379  Tragopogon dubius Lowell Ahart 1988-5-30 6030 Butte Along Poe Power House Road, about 1/10 mile north of the Poe Power House, about 2 miles south-east of Jarbo Gap. 335 Comment
  CHSC42971  Tribulus terrestris Lowell Ahart 1987-7-17 5837 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC62567  Trichostema lanceolatum B. Castro 1993-7-13 480 Butte Ca 2.5 mi SSW of Big Bar Mtn, on gentle SE-facing slope on the N side of USFS Rd 22N84. 960 Comment
  CHSC42937  Trichostema simulatum Lowell Ahart 1987-7-3 5769 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  RSA713022  Trifolium albopurpureum L. Ahart 2006-5-10 12628 Butte On the north side of the dirt road, Bardees Bar Road, about 4 miles (air) southwest of Pulga. 445 Comment
  CHSC93451  Trifolium albopurpureum var. albopurpureum Lowell Ahart 2006-5-10 12628 Butte Road bank, on the north side of the dirt road, Bardees Bar Road, about 4 miles (air) southwest of Pulga. 444 Comment
  JEPS108854  Trifolium albopurpureum var. albopurpureum Lowell Ahart 2006-5-10 12628 Butte Road bank, on the north side of the dirt road, Bardees Bar Road, about 4 miles (air) southwest of Pulga 444 Comment
  CHSC33122  Trifolium ciliolatum M. S. Taylor 1981-5-15 3731 Butte N side of Feather River Hwy 70, at Plumas NF boundary sign, ca. 2 mi ne of Jarbo Gap. 609 Comment
  CHSC93447  Trifolium ciliolatum Lowell Ahart 2006-5-10 12629 Butte Road bank, on the north side of the dirt road, Bardees Bar Road, about 4 miles (air) southwest of Pulga. 444 Comment
  JEPS108853  Trifolium ciliolatum Lowell Ahart 2006-5-10 12629 Butte Road bank, on the north side of the dirt road, Bardees Bar Road, about 4 miles (air) southwest of Pulga 444 Comment
  RSA713023  Trifolium ciliolatum L. Ahart 2006-5-10 12629 Butte On the north side of the dirt road, Bardees Bar Road, about 4 miles (air) southwest of Pulga. 445 Comment
  CHSC42944  Trifolium cyathiferum Lowell Ahart 1987-7-3 5775 Butte On a snad bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42541  Trifolium dubium Lowell Ahart 1987-5-6 5527 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC44396  Trifolium glomeratum Lowell Ahart 1988-5-30 6029 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42539  Trifolium hirtum Lowell Ahart 1987-5-9 5584 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga. 365 Comment
  CHSC42538  Trifolium hybridum Lowell Ahart 1987-5-6 5529 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42536  Trifolium microcephalum Lowell Ahart 1987-5-6 5526 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC93507  Trifolium microcephalum Lowell Ahart 2006-5-10 12613 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 354 Comment
  JEPS108858  Trifolium microcephalum Lowell Ahart 2006-5-10 12613 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 354 Comment
  RSA712925  Trifolium microcephalum L. Ahart 12613 Butte On the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2.5 miles (air) southwest of Pulga. 355 Comment
  CHSC44397  Trifolium pratense Lowell Ahart 1988-6-21 6044 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC37519  Trifolium repens M. S. Taylor 1982-5-2 4385 Butte N side of Hwy 70, 4.2 mi w of Pulga bridge, ca. 19 air mi ne of Oroville. 701 Comment
  CHSC42535  Trifolium willdenovii Lowell Ahart 1987-5-6 5528 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC93450  Trifolium willdenovii Lowell Ahart 2006-5-10 12630 Butte On the south side of the dirt road, Bardees Bar Road, about 4 miles (air) southwest of Pulga. 444 Comment
  CAS-BOT-BC199588  Trisetum canescens Lowell Ahart 1987-7-3 5750 Butte Along the edge of Poe Power House Road, about 1 mile north-west of the Poe Power House, about 1 mile south-east of Jarbo Gap 487 Comment
  CHSC42931  Trisetum canescens Lowell Ahart 1987-7-3 5750 Butte Along the edge of Poe Power House Road, about 1 mile north-west of the Poe Power House, about 1 mile south-east of Jarbo Gap. 487 Comment
  CHSC74052  Trisetum canescens B. Castro; L. Gehrung 1998-7-2 799 Butte Ca 6 air mi NW of Brush Creek, ca 1 mi SE of Hungry Hunt Peak, ca 50 ft N of USFS Rd 23N28 as it loops around a drainage. 1021 Comment
  CHSC64680  Triteleia bridgesii H. H. Schmidt; M. Merello, L. Woodruff 1993-6-15 857 Butte Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70. 880 Comment
  CAS-BOT-BC200500  Triticum aestivum John Thomas Howell 1976-7-14 51813 Butte Feather River Canyon Highway just east of Jarbo Gap 640 Comment
  SFV10387  Umbellularia californica M. L. Vincent 1964-4-10 551 Butte 3 miles northeast of the restaurant at Jarboe Gap on Highway Alt. 40 in Feather River Canyon. 625 Comment
  CHSC44377  Uropappus lindleyi Lowell Ahart 1988-6-21 6055 Butte Along Poe Power House Road, about 3/4 mile north of the Poe Power House, about 1 1/4 miles south-east of Jarbo Gap. 426 Comment
  CHSC42732  Velezia rigida Lowell Ahart 1987-5-6 5520 Butte Along the edge of the road at the Poe Power House on the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 283 Comment
  CHSC93873  Velezia rigida Lowell Ahart 2006-6-9 12646 Butte On the south side of the service road to Bardees Bar along the North Fork of the Feather River, about 1/8 mile east of Highway 70, about 2 3/4 miles (air) southwest of Pulga. 435 Comment
  JEPS110270  Velezia rigida Lowell Ahart 2006-6-9 12646 Butte On the south side of the service road to Bardees Bar along the North Fork of the Feather River, about 1/8 mile east of Highway 70, about 2 3/4 miles (air) southwest of Pulga 435 Comment
  RSA718338  Velezia rigida L. Ahart 2006-6-9 12646 Butte On the S side of the service road to Bardees Bar along the N Fork of the Feather River. About 1/8 mile E of Hwy 70. About 2.75 miles (air) SW of Pulga. 436 Comment
  CHSC42868  Verbascum thapsus Lowell Ahart 1987-5-27 5688 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC43262  Veronica americana Lowell Ahart 1987-8-30 5860 Butte Along gravel bars along the North Fork of the Feather River, near the Poe Power House, about 2miles south-east of Jarbo Gap. 271 Comment
  CHSC42867  Veronica anagallis-aquatica Lowell Ahart 1987-5-6 5541 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2miles south-east of Jarbo Gap, 271 Comment
  CHSC44432  Veronica arvensis Lowell Ahart 1988-5-30 6022 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42873  Veronica peregrina subsp. xalapensis Lowell Ahart 1987-5-6 5542 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC203026  Vitis californica John Thomas Howell 1961-9-22 36761 Butte North Fork of Feather River, 10 miles from Oroville Comment
  CAS-BOT-BC203030  Vitis californica Lowell Ahart 1987-5-9 5591 Butte Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga 365 Comment
  CHSC42481  Vitis californica Lowell Ahart 1987-5-9 5591 Butte Near a wash, along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga. 365 Comment
  SBBG50309  Vitis californica J. T. Howell 1961-9-22 Butte N Fork of Feather River, 10 mi from Oroville Comment
  UCD102795  Vitis californica John Thomas Howell 1961-9-22 36761 Butte Sierra Nevada. North Fork of Feather River, 10 miles from Oroville. Comment
  UCD54961  Vitis californica Andy Walker; Eric Wada 2006-5-30 NC 16 Butte On SR70 just in eastern part of Yankee Hill. 668 Comment
  CHSC42445  Vulpia bromoides Lowell Ahart 1987-5-6 5569 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC93452  Vulpia microstachys var. ciliata Lowell Ahart 2006-5-10 12619 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 354 Comment
  JEPS110238  Vulpia microstachys var. ciliata Lowell Ahart 2006-5-10 12619 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 354 Comment
  RSA712952  Vulpia microstachys var. ciliata L. Ahart 2006-5-10 12619 Butte Bardees Bar Road, about 100 yards north of poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of pulga. 355 Comment
  CAS-BOT-BC184179  Vulpia microstachys var. pauciflora Lowell Ahart 1987-5-6 5562 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42444  Vulpia microstachys var. pauciflora Lowell Ahart 1987-5-6 5562 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC93453  Vulpia microstachys var. pauciflora Lowell Ahart 2006-5-10 12620 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 354 Comment
  JEPS110115  Vulpia microstachys var. pauciflora Lowell Ahart 2006-5-10 12620 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 354 Comment
  RSA713024  Vulpia microstachys var. pauciflora L. Ahart 2006-5-10 12620 Butte On the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2.5 miles (air) southwest of Pulga. 355 Comment
  CHSC42441  Vulpia myuros Lowell Ahart 1987-5-6 5570 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC184699  Vulpia myuros subsp. megalura Lowell Ahart 1987-5-6 5567 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC42443  Vulpia myuros var. hirsuta Lowell Ahart 1987-5-6 5567 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC116297  Xanthium strumarium Lowell Ahart 2015-11-7 20613 Butte Strand of Lake Oroville, on east side of old Highway Alternate 40, about 1/4 mile south of end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 236 Comment
  JEPS124160  Xanthium strumarium Lowell Ahart 2015-11-7 20613 Butte About 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  CHSC62111  Zeltnera venusta L. P. Janeway 1993-7-2 4424 B Butte Plumas National Forest. Along Rd 22N84 0.45 mi west of Stony Creek and 1.45 mi west of Rd 23N28 (the road from Swayne Hill to Big Bar Mtn). 926 Comment
  CHSC70807  Zeltnera venusta B. Castro; H. Durio, L. Gehrung 1995-7-25 592 Butte Ca 2.5 air mi SSW of Big Bar Mtn, on N side of USFS Rd 22N84. 944 Comment



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