39.71166 39.81166 -121.52861 -121.42861 UC/JEPS: Consortium Search Results
Search Results — 2004 specimen records retrieved (2004 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/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC28644  Abies concolor M. S. Taylor 1979-3-31 1964 Butte Lickey Ranch, along Ishi Trail Rd, ca. 1/2 mi ne of Concow Rd and Lake Concow, ca. 25 mi n of Oroville. 670 Comment
  CHSC4577  Abies concolor C. Glascock 1965-2-6 218 Butte 0.55 mi from highway 70, and 40 yds ne of Rd 24N23. 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
  GH363544  Acer macrophyllum G. W. Turesson & C. G. Alm 1938-7-30 643 Unknown at State Highway No. 24, 20 miles north of Oroville 647 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
  CAS-BOT-BC21748  Achillea millefolium Lowell Ahart 1985-5-15 4991 Butte East of the dirt road, about 1 1/2 miles north-east of Concow Res. 800 Comment
  CHSC109562  Achillea millefolium L. P. Janeway 2012-6-23 10891 Butte Northern High Sierra Nevada. Southwest spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23Np6E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  CHSC40465  Achillea millefolium Lowell Ahart 1985-5-15 4991 Butte East of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 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
  CAS-BOT-BC210635  Achnatherum lemmonii Lowell Ahart 1985-5-15 5004 Butte 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 800 Comment
  CHSC109860  Achnatherum lemmonii L. P. Janeway 2012-6-7 10857 Butte Northern High Sierra Nevada. Southwestern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines. 895 Comment
  CHSC33785  Achnatherum lemmonii M. S. Taylor 1981-4-10 3522 Butte Ca. 50 ft up from creek, ca. 1/4 mi n of Pine Cluster Ranch, between Concow Rd and a large oak-covered knoll, ca. 6 mi n of Jarbo Gap on Hwy 70. 731 Comment
  CHSC40464  Achnatherum lemmonii Lowell Ahart 1985-5-15 5004 Butte 1/8 miles north-east of Concow Res. 731 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
  CHSC92647  Achnatherum lemmonii L. P. Janeway 2005-5-29 8415 Butte Northern High Sierra Nevada. Top of Rocky Ridge towards its southern end; 2.9 km southwest of Pulga. 960 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
  CHSC93890  Achnatherum lemmonii L. P. Janeway 2006-5-28 8638 Butte Northern High Sierra Nevada. Open serpentine bowl on west side of Concow Road about 3.2 mi northeast of the upper end of Concow Reservoir. 856 Comment
  JEPS108542  Achnatherum lemmonii L. P. Janeway 2006-5-28 8638 Butte Northern High Sierra Nevada. Open serpentine bowl on west side of Concow Road about 3.2 mi northeast of the upper end of Concow Reservoir 856 Comment
  JEPS108565  Achnatherum lemmonii L. P. Janeway 2005-5-29 8415 Butte Northern High Sierra Nevada. Top of Rocky Ridge towards its southern end; 2.9 km southwest of Pulga 960 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
  CHSC109858  Achnatherum lemmonii var. lemmonii L. P. Janeway 2012-6-7 10869 Butte Northern High Sierra Nevada. Southwestern spur of Rocky ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  RSA712918  Achnatherum lemmonii var. lemmonii L. P. Janeway 2006-5-28 8638 Butte Northen High Sierra Nevada, West side of Concow Road about 3.2 mi NE of upper end of Concow Reservoir 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
  CAS-BOT-BC210738  Achnatherum nelsonii M. S. Taylor 1982-5-2 4395 Butte N side of Hwy 70 at Pulga bridge, ca. 20 mi ne of Oroville 487 Comment
  CAS-BOT-BC217980  Achnatherum nelsonii M. S. Taylor 1981-4-10 3522 Butte 50 feet up from creek, ca. 0.25 mile N of Pine Cluster Ranch, at base of serpentine outcrop of reddish color, between Concow Rd and a large knoll, ca. 6 miles N of Jarbo Gap on Highway 70 731 Comment
  CHSC36957  Achnatherum nelsonii subsp. dorei M. S. Taylor 1982-5-2 4395 Butte Pulga serpentine area on n side of Hwy 70 at Pulga bridge, ca. 20 mi ne of Oroville. 487 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
  CHSC33899  Acmispon brachycarpus M. S. Taylor 1981-4-21 3550 Butte S side of Concow Rd, on Ridge, ca. 0.5 mi s of its jct with Ponderosa Way (Rim Rd), ca. 2 mi n of Lake Concow, ca. 20 air mi n of Oroville. 853 Comment
  CHSC40419  Acmispon grandiflorus var. macranthus Lowell Ahart 1985-5-15 4982 Butte East along the dirt road, about 1/2 mile north-east of Concow Res. 594 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
  CHSC48515  Acmispon nevadensis var. nevadensis Vernon Oswald 1987-5-31 2942 Butte Camelot Estates at the n end of Lake Concow. 621 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
  CHSC109864  Aegilops triuncialis L. P. Janeway 2012-6-7 10858 Butte Northern High Sierra Nevada. Southwestern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines. 895 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
  CAS-BOT-BC447798  Agrimonia gryposepala Sally Bianco 1995-8-30 1023 Butte NE margin of Concow Lake near Hoffman Rd. off Concow Rd. Peninsuka between creek and lake 670 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
  NY43526  Agrimonia gryposepala S. Bianco 1995-8-30 1023 Butte NE margin of Concow Lake, near Hoffman Rd, off Concow Rd 670 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
  CAS-BOT-BC127370  Agrostis exarata John Thomas Howell 1973-7-9 49692 Butte Sierra Nevada. Northeast of Pulga Bridge, Feather River highway. 417 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
  CHSC94554  Agrostis exarata Lowell Ahart 2006-9-11 13301 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110306  Agrostis exarata Lowell Ahart 2006-9-11 13301 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA724996  Agrostis exarata L. Ahart 2006-9-11 13301 Butte South edge of the North Fork of the Feather River, north side of Highway 760, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 432 Comment
  UC1562349  Agrostis exarata Vernon Oswald and Lowell Ahart 1990-7-31 4417 Butte ca 2 mi ne Concow (Jeep Trail between Concow Rd and Rim Rd) 899 Comment
  CHSC50810  Agrostis exarata var. monolepis Vernon Oswald; Lowell Ahart 1990-7-31 4417 Butte Jeep Trail between Concow Rd and Rim Rd, ca. 2 mi northeast of Concow. 899 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
  UCD52484  Agrostis exarata var. monolepis John Thomas Howell 1973-7-9 49692 Butte NE of Pulga Bridge, Feather River highway. 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
  CHSC50809  Agrostis pallens Vernon Oswald; Lowell Ahart 1990-7-31 4418 Butte Jeep Trail between Concow Rd and Rim Rd, ca. 2 mi northeast of Concow. 899 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
  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
  CHSC102188  Allium jepsonii George W. Hartwell 2009-6-30 Butte Concow Road, 3-4 miles above Concow Reservoir on a serpentine ridge and adjacent steep, rocky hillsides burned by summer wildfire in 2008. 858 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
  CHSC47048  Allium jepsonii R. A. Schlising; P. Broyles 1988-7-9 4582 Butte E of Paradise and Magalia, N of Oroville and Jarbo Gap. 929 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
  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
  CHSC63973  Allium jepsonii B. Castro 1994-6-28 515 Butte Ca 0.4 mi S of town of Pulga. On W side of Pulga Rd, ca 0.4 mi N of its jcn with Hwy 70 by the Pulga Bridge. 487 Comment
  CHSC92935  Allium jepsonii L. P. Janeway 2005-7-16 8495 Butte Northern High Sierra Nevada. On Rocky Ridge, along Rim Road (Ponderosa Way); about 1.3 km south of Batchelor Point. Near ridgetop. 927 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
  CHSC98392  Allium jepsonii Dean Wm. Taylor 2004-6-17 19110 Butte Rocky Ridge, north side Feather River Canyon, Forest road 23N06B under the electrical transmission line. 899 Comment
  JEPS108586  Allium jepsonii L. P. Janeway 2005-7-16 8495 Butte Northern High Sierra Nevada. On Rocky Ridge, along Rim Road (Ponderosa Way); about 1.3 km south of Batchelor Point. Near ridgetop 927 Comment
  JEPS109801  Allium jepsonii Dean W. Taylor 2004-6-17 19110 Butte Rocky Ridge, north side Feather River Canyon, Forest Road 23N06B under the electrical transmission line 899 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
  UCD138550  Allium jepsonii B. Castro; Plumas NF botanists 1994-6-28 515 Butte ca. 0.4 mile south of Pulga, west side of Pulga Road, ca. 0.4 mile north of its junction with Hwy 70 by the Pulga Brige. 487 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
  CHSC102181  Allium peninsulare George W. Hartwell 2009-4-22 Butte Concow Road, approx. 3-4 miles above Concow Reservoir on serpentine ridge burned by wildfire in summer 2008. 860 Comment
  CHSC36950  Allium peninsulare M. S. Taylor 1982-5-2 4391 Butte On n side of Hwy 70 at Pulga bridge, ca. 20 air mi ne of Oroville. 487 Comment
  CHSC40769  Allium peninsulare Lowell Ahart 1985-5-15 5003 Butte 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 Comment
  JEPS97586  Allium peninsulare R. D. Stone and W. B. Davilla 1984-4-20 591 Butte Canyon of North Fork Feather River Pulga (above intersection of CA Hwy. 70 and Camp Creek (Pulga) RD.; ca. 0.75 mi SSW of) 487 Comment
  CAS-BOT-BC132077  Allium peninsulare var. peninsulare Lowell Ahart 1985-5-15 5003 Butte 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 800 Comment
  CHSC49704  Allium peninsulare var. peninsulare Vernon Oswald 1985-5-6 1744 Butte Concow Rd. 1.1 me sw of its jct. With Ponderosa Way. 853 Comment
  CHSC35098  Allophyllum divaricatum R. A. Schlising 1981-6-13 4079 Butte Pulga, roadside. 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
  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
  RSA722695  Amaranthus albus Richard Halse 2006-8-2 6981 Butte Chico; in the Lindo Channel Greenway where it crosses under Mangrove Ave. 92 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
  CHSC50790  Ambrosia artemisiifolia Vernon H. Oswald; Lowell Ahart 1990-7-31 4425 Butte Camelot Estates Subdivision on the north side of Concow Reservoir. 621 Comment
  UC1562346  Ambrosia artemisiifolia Vernon Oswald and Lowell Ahart 1990-7-31 4425 Butte on n side of Concow Reservoir ((Camelot Estates Subdivision)) 621 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
  CHSC98662  Antirrhinum cornutum B. Castro; L. P. Janeway 2005-8-3 1511 Butte Ca 20 air mi NNE of Oroville and 1.2 mi S of Flea Mtn, along Concow Rd ca 0.1 mi N of its jcn with Rim Rd. Along narrow path under power lines just W of Concow Rd, in small openings. 1002 Comment
  CHSC25337  Antirrhinum vexillo-calyculatum subsp. intermedium M. P. Hayes 1977-8-12 30 Butte 100 m from the intersection of Highway 70 and Pulga Raod. 426 Comment
  CHSC25351  Antirrhinum vexillo-calyculatum subsp. intermedium M. P. Hayes 1977-8-10 26 Butte 100 m from the intersection of Pulga Rd. and Highway 70, along Pulga Road. 426 Comment
  CHSC28500  Antirrhinum vexillo-calyculatum subsp. intermedium M. S. Taylor 1979-7-22 2169 Butte Pulga bridge, on n side of trail leading from ne side of Pulga bridge over Hwy 70, ca. 27 mi n of Oroville. 487 Comment
  CHSC42265  Antirrhinum vexillo-calyculatum subsp. intermedium David M. Thompson 1983-7-5 365 Butte Hwy 70, 0.3 miles NE of NE end of bridge at intersection of Pulga Road and Hwy 70. 487 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
  JEPS83414  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-7-5 365 Plumas 0.3 mi ne Hwy. 70 intersection with Pulga Road, ne end of bridge (Hwy 70, on n side of road); Pulga Quad. (15', 1957) 487 Comment
  CHSC94614  Apocynum cannabinum Lowell Ahart 2006-9-11 13272 Butte Gravel bar, south side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108968  Apocynum cannabinum Lowell Ahart 2006-9-11 13272 Butte Gravel bar, south side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA725004  Apocynum cannabinum L. Ahart 2006-9-11 13272 Butte South edge of the North Fork of the Feather River, north side of highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 air miles northeast of Oroville. 432 Comment
  CAS-BOT-BC392105  Aquilegia formosa John Thomas Howell 1951-8-19 28156 Butte 2 miles west of Pulga 365 Comment
  UCR88769  Aquilegia formosa J. T. Howell 1951-8-19 28156 Butte Sierra Nevada Mtns., 2 miles west of Pulga 366 Comment
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Oct 10 2010
  CHSC1433  Aquilegia formosa var. truncata R. Carter 1964-6-15 128 Butte Feather R. Canyon, 3/4 mi. E of Pulga turnoff where Bear Ranch Rd. le ves Hwy. 40A. 609 Comment
  CHSC46183  Aquilegia formosa var. truncata Kirsten Tarp 1982-7-28 232 Butte Near Pulga. 731 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
  CHSC4463  Arctostaphylos C. Glascock 1965-2-6 203 Butte 0.4 mi W of Grand View Cafe and station. Ca. 60 yds canyonward from Hwy 40a at side of a jeep trail. Comment
  CAS-BOT-BC38554  Arctostaphylos mewukka subsp. truei John Thomas Howell 1976-7-14 51817 Butte Just NE of Pulga Bridge. 417 Comment
  RSA584780  Arctostaphylos truei J. T. Howell 1976-7-14 51817 Butte Just northeast of Pulga Bridge. 418 Comment
  UCR84523  Arctostaphylos truei J. T. Howell 1976-7-14 51817 Butte Sierra Nevada Mtns, just NE of Pulga Bridge 418 Comment
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Oct 10 2010
  UCD52201  Arctostaphylos viscida John Thomas Howell; Gordon H. True 1967-5-9 42236 Butte Serpentine canyonside on northwest side of Feather River Canyon near Pulga Bridge, Butte County. Comment
  CAS-BOT-BC48291  Arctostaphylos viscida subsp. viscida John Thomas Howell; Gordon H. True 1967-5-9 42236 Butte On northwest side of Feather River Canyon near Pulga Bridge Comment
  CHSC32621  Arctostaphylos viscida subsp. viscida M. S. Taylor; L. Hanson 1981-3-31 3456 Butte N side of spur rd 1/4 mi W of its jct with Ponderosa Way (Rim Rd, rd to Flea Valley) ca. 5 mi N of its jct with Hwy 70 at Jarbo Gap. 792 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
  CAS-BOT-BC400430  Aristolochia californica John Thomas Howell 1951-6-26 27526 Butte Near Pulga 411 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
  CHSC94568  Artemisia douglasiana Lowell Ahart 2006-9-11 13273 Butte Gravel bar, south side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110297  Artemisia douglasiana Lowell Ahart 2006-9-11 13273 Butte Gravel bar, south side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA724814  Artemisia douglasiana L. Ahart 2006-9-11 13273 Butte South edge of the North Fork of the Feather River, north side of highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 air miles northeast of Oroville. 432 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
  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-BC65850  Aspidotis carlotta-halliae M. S. Taylor 1979-3-19 1927 Butte In vicinity of Pulga bridge over Feather River on Hwy 70, ca. 25 mi ne of Oroville 487 Comment
  HSC66084  Aspidotis carlotta-halliae M. S. Taylor 1979-3-19 1927 Butte In the vicinity of Pulga bridge over Feather River on Hwy. 70, 25 mi. NE of Oroville 488 Comment
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Mar 28 2013
  CAS-BOT-BC65912  Aspidotis densa Clarence R. Quick 1964-7-9 64 -53 Butte north of Jarbo Gap Comment
  CAS-BOT-BC65915  Aspidotis densa John Thomas Howell 1959-9-26 35093 Butte Pulga Bridge, N. Fk. Feather River 411 Comment
  CHSC25358  Aspidotis densa Marc P. Hayes 1977-4-22 8 Butte Ca. 0.8 km sw of Pulga, 120 m n of North Fork of Feather River, along Pulga Rd., ca. 100 m from junction with Hwy 70. 495 Comment
  CHSC28625  Aspidotis densa M. S. Taylor 1979-3-19 1927 Butte In vicinity of Pulga bridge over Feather River on Hwy 70, ca. 25 mi ne of Oroville. 487 Comment
  CHSC28626  Aspidotis densa M. S. Taylor 1979-3-19 1926 Butte In vicinity of Pulga bridge over Hwy 70 over Feather River, ca. 25 mi ne of Oroville. 487 Comment
  CHSC32619  Aspidotis densa M. S. Taylor; L. Hanson 1981-3-31 3454 Butte N side of Spur rd 1/4 mi w of its jct with Ponderosa Way (Rim Rd, rd to Flea valley) ca. 5 mi n of its jct with Hwy 70 at Jarbo Gap. 792 Comment
  CHSC32620  Aspidotis densa M. S. Taylor; L. Hanson 1981-3-31 3459 Butte End of Spur rd, ca. 3/4 mi se of its jct with Ponderosa Way (Rim Rd, rd to Flea Valley) ca. 4 mi ne of its jct with Hwy 70 at Jarbo Gap, ca. 19 air mi n of Oroville. 914 Comment
  CHSC32625  Aspidotis densa M. S. Taylor 1981-3-31 3465 Butte S side of Concow Rd, ca. 1/2 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 853 Comment
  CHSC32687  Aspidotis densa M. S. Taylor 1981-3-18 3417 Butte N side of Pulga Rd at jct with Hwy 70 Pulga bridge. 487 Comment
  CHSC40388  Aspidotis densa Lowell Ahart 1985-5-15 4999 Butte 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 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
  RSA725005  Athyrium filix-femina subsp. cyclosorum L. Ahart 2006-9-11 13271 Butte South edge of the North Fork of the Feather River, north side of highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 air miles northeast of Oroville. 432 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
  CHSC34238  Athyrium filix-femina var. cyclosorum M. S. Taylor 1981-4-28 3568 E Butte On Four Trees Rd, ca. 1/2 mi e of Hwy 70, ca. 2 mi ne of Pulga. 701 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
  CHSC94559  Athyrium filix-femina var. cyclosorum Lowell Ahart 2006-9-11 13271 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110234  Athyrium filix-femina var. cyclosorum Lowell Ahart 2006-9-11 13271 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 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
  CAS-BOT-BC16378  Barbarea orthoceras Clarence Roy Quick 1963-7-16 63 48 a Butte Sierra Nevada. Feather River Canyon. Section Corner Meadow, east of Pulga. 1463 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
  UCD114285  Barbarea orthoceras Robert E. Preston 1985-4-4 512 Butte ca. 1.8 km e of Pulga, at confluence of Dogwood Cr and N Fork Feather R. Montane Forest. 433 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
  CHSC33716  Berberis aquifolium var. dictyota M. S. Taylor 1981-4-8 3513 Butte W side of Ponderosa Way, where powerlines cross the rd on Rocky Ridge, ca. 6 mi n of its jct with Hwy 70 at Jarbo Gap. 914 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
  CDA10506  Bidens frondosa L. Ahart 2006-9-11 13274 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 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
  CHSC94573  Bidens frondosa Lowell Ahart 2006-9-11 13274 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  HSC97042  Bidens frondosa L. Ahart 2006-9-11 13274 Butte S edge of the N Fork of the Feather River, N side of Highway 70, about 1/8 miles W of the Poe Dam, about 3/4 mile NE of Pulga, about 21 miles (air) NE of Oroville 432 Comment
  JEPS108975  Bidens frondosa Lowell Ahart 2006-9-11 13274 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA724879  Bidens frondosa L. Ahart 2006-9-11 13274 Butte South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville. 432 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
  CHSC115472  Brachypodium distachyon L. P. Janeway; Emily Meigs Doe 2015-4-13 11664 Butte Northern High Sierra Nevada. Plumas National Forest; in the canyon of North Fork Feather River, along Pulga Road 1.1 road-km northeast of Flea Valley Creek and Pulga. 526 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
  JEPS127606  Brachypodium distachyon L. P. Janeway 2015-4-13 11664 Butte Plumas National Forest; in the canyon of North Fork Feather River, along Pulga Road 1.1 road km Ne of Flea Valley Creek and Pulga. 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
  CHSC37650  Brickellia californica T. B. Devine 1981-8-25 752 Butte Plumas National Forest, along Hwy 70, ca. 2 1/2 mi SE of Pulga. 594 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
  CHSC94576  Brickellia californica Lowell Ahart 2006-9-11 13335 Butte Gravel bar, south side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110294  Brickellia californica Lowell Ahart 2006-9-11 13335 Butte Gravel bar, south side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA724877  Brickellia californica L. Ahart 2006-9-11 13335 Butte South edge of the North Fork of the Feather River, north side of Highway 760, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 432 Comment
  CAS-BOT-BC127677  Brickellia greenei John Thomas Howell 1951-8-19 28159 Butte Serpentine, 2 miles west of Pulga 365 Comment
  CHSC33238  Brickellia greenei R. A. Schlising 1980-9-20 3992 Butte 2 mi S of Pulga, along Hwy 70. 609 Comment
  CHSC33943  Brickellia greenei M. S. Taylor 1981-7-10 4064 Butte N side of Hwy 70 at Pulga Bridge. Ca. 20 mi NE of Oroville. 487 Comment
  CHSC37652  Brickellia greenei T. B. Devine 1981-8-25 754 Butte Hwy 70, ca. 1/2 mi SE of Pulga Bridge. 487 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
  CHSC102183  Brodiaea sierrae George W. Hartwell 2009-6-6 Butte Concow Road. Plants abundant on serpentine ridge approximately 3-4 miles above Concow Reservoir. 860 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
  CHSC92885  Brodiaea sierrae L. P. Janeway 2005-6-26 8428 Butte Northern High Sierra Nevada. South-facing slope 0.4 km south of top of Batchelor Point, 0.6 km east of top of Rocky Ridge and Rim Road (Ponderosa Way). 945 Comment
  CHSC92936  Brodiaea sierrae L. P. Janeway 2005-7-16 8497 Butte Northern High Sierra Nevada. On Rocky Ridge, along Rim Road (Ponderosa Way); about 1.3 km south of Batchelor Point. Near ridgetop. 927 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
  RSA712646  Brodiaea sierrae L. P. Janeway 2005-7-16 8497 Butte Northern High Sierra Nevada; on Rocky Ridge, along Rim Road (Ponderosa Way); about 1.3 km south of Bachelor Point. 927 Comment
  RSA712796  Brodiaea sierrae L. P. Janeway 2005-6-26 8428 Butte South-facing slope 0.4 km. south of top of Batchelor Point, 0.6 km. east of top of Rocky Ridge and Rim Road (Ponderosa Way). 945 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
  CAS-BOT-BC149544  Bromus carinatus var. carinatus John Thomas Howell 1951-6-26 27527 Butte Sierra Nevada. Near Pulga. 411 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
  CAS-BOT-BC162461  Bromus laevipes John Thomas Howell; Gordon H. True 1967-6-11 42565 Butte Sierra Nevada. On northwest side of Feather River Canyon near Pulga Bridge. 426 Comment
  CAS-BOT-BC162462  Bromus laevipes John Thomas Howell 1968-6-12 44564 Butte Sierra Nevada. Just west of Pulga Bridge, Feather River Canyon. 426 Comment
  CAS-BOT-BC162465  Bromus laevipes Lowell Ahart 1985-5-15 1471 Butte 1.5 mile northeast of Concow Res.East of the dirt road, about 1.5 mile northeast of Concow Res. 800 Comment
  CHSC101463  Bromus laevipes L. P. Janeway; Sarah Starkey 2009-7-13 9856 Butte Northern High Sierra Nevada. Upper end of Rocky Ridge, southwest side of Rim Road (Ponderosa Way) 0.3 km southeast of Concow Road near the quarry. 978 Comment
  CHSC109548  Bromus laevipes L. P. Janeway 2012-6-7 10871 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  CHSC40451  Bromus laevipes Lowell Ahart 1985-5-15 4987 Butte Ridge, east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 Comment
  CHSC74912  Bromus laevipes E. Hubert 1996-6-24 Butte Ca 6 air mi NE of Paradise, ca 2 mi NNE of Concow Reservoir and 200 ft W of large bend in Concow Rd, 0.5 mi S of its jcn with Ponderosa Way (Rim Rd). Serpentine outcrop. 883 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-BC162358  Bromus madritensis John Thomas Howell; Gordon H. True 1967-6-11 42558 Butte Sierra Nevada. On northwest side of Feather RIver Canyon near Pulga Bridge. 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
  UCD59015  Bromus madritensis John Thomas Howell; Gordon H. True 1967-6-11 42558 Butte Sierra Nevada. On northwest side of Feather River Canyon near Pulga Bridge. 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-BC162020  Bromus racemosus John Thomas Howell 1962-6-16 37628 Butte Sierra Nevada. Concow School north of Yankee Hill. 533 Comment
  CAS-BOT-BC161962  Bromus rubens John Thomas Howell; Gordon H. True 1967-6-11 42561 Butte Sierra Nevada. On northwest side of Feather River Canyon near Pulga Bridge. 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
  CAS-BOT-BC161616  Bromus sterilis John Thomas Howell 1973-7-9 49695 Butte Sierra Nevada. Northeast of Pulga Bridge, Feather River highway. 417 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
  CAS-BOT-BC185309  Calamagrostis koelerioides John Thomas Howell 1951-8-19 28154 Butte Sierra Nevada. 2 miles west of Pulga. 365 Comment
  RSA88126  Calamagrostis koelerioides J. T. Howell 1951-8-19 28154 Butte 2 miles west of Pulga. 366 Comment
  CHSC19926  Calocedrus decurrens M. S. Taylor 1975-2-16 387 Butte Along w side of Jordan Hill Rd, ca. 2 mi s of Concow reservoir, ca. 4 mi s of Paradise. Comment
  UCD139503  Calochortus coeruleus K. Lui 1998-5-24 24 Butte Lassen National Forest, Pulga, unpaved road 1.5 km south of Poe Dam where State Route 70 crosses North Fork Feather River. 463 Comment
  CHSC115417  Calochortus monophyllus Kate Ronan 2013-4-9 Butte Centerville flumes trail. 368 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
  CHSC2465  Calochortus tolmiei P. Delaplane 1965-5-4 52 Butte South side of Concow Road. South side of Lake Concow. 1219 Comment
  CHSC40406  Calochortus tolmiei Lowell Ahart 1985-5-15 5000 Butte 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 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
  CHSC93880  Calycadenia oppositifolia L. P. Janeway 2006-5-28 8637 Butte Northern High Sierra Nevada. Open serpentine bowl on west side of Concow Road about 3.2 mi northeast of the upper end of Concow Reservoir. 856 Comment
  HSC97128  Calycadenia oppositifolia L. P. Janeway 2006-5-28 8637 Butte Northern High Sierra Nevada; on west side of Concow Rd. about 2.3 miles NE of the upper end of Concow Reserve 856 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
  CDA10581  Calycadenia truncata L. P. Janeway 2005-7-16 8496 Butte Northern High Sierra Nevada; On Rocky Ridge, along Rim Road (Ponderosa Way); about 1.3 km south of Batchelor Point. Comment
  CHSC109849  Calycadenia truncata L. P. Janeway 2012-6-7 10855 Butte Northern High Sierra Nevada. Southwestern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines. 895 Comment
  CHSC110254  Calycadenia truncata L. P. Janeway 2012-10-11 11071 Butte Northern High Sierra Nevada. Plumas National Forest; southwest-ern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines. 895 Comment
  CHSC28496  Calycadenia truncata M. S. Taylor 1979-7-22 2166 Butte Pulga bridge, on N side of trail leading from NE side of Pulga bridge over Hwy 70, ca. 27 mi N of Oroville. 487 Comment
  CHSC34793  Calycadenia truncata M. S. Taylor 1981-6-19 3960 Butte North side of Hwy 70 at NW end of Pulga bridge. Ca. 20 mi NE of Oroville. 487 Comment
  CHSC39266  Calycadenia truncata Lowell Ahart 1983-6-30 4182 Butte Along the dirt road, about 1 1/2 miles northeast of Concow Res. 550 Comment
  CHSC43200  Calycadenia truncata Robert Banchero 1981-6-29 548 Butte Ca 2.2 air mi W of Pulga. Comment
  CHSC69445  Calycadenia truncata Lowell Ahart 1997-9-6 7887 A Butte Near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir. 731 Comment
  CHSC92937  Calycadenia truncata L. P. Janeway 2005-7-16 8496 Butte Northern High Sierra Nevada. On Rocky Ridge, along Rim Road (Ponderosa Way); about 1.3 km south of Batchelor Point. Near ridgetop. 927 Comment
  JEPS120529  Calycadenia truncata L. P. Janeway 2012-6-7 10855 Butte Northern High Sierra Nevada. Southewestern end of rocky Ridge, 0.8 km west of Ponderosa Way / rim Road, near high-voltage power lines. Comment
  LA203131  Calycadenia truncata D. Keck; J. Clausen 1935-6-25 3778 Butte 2.2 mi. S. of Flea Valley on road to Yankee Hill Comment
  SBBG7840  Calycadenia truncata D. D. Keck, J. Clausen 1935-6-25 3778 Butte 2.2 mi S of Flea Valley on rd to Yankee Hill Comment
  UC894266  Calycadenia truncata A. A. Heller 1938-6-14 15152 Butte 23 mi from, on Feather River highway Oroville Comment
  UC913063  Calycadenia truncata David D. Keck and J. Clausen 1935-6-25 3778 Butte 2.2 mi s, on road to Yankee Hill Flea Valley Comment
  POM298259  Calycadenia truncata subsp. scabrella D. D. Keck, J. Clausen 1935-6-25 3778 Butte 2.2 miles south of Flea Valley on road to Yankee Hill 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
  RSA712645  Calycadenia truncata subsp. truncata L. P. Janeway 2005-7-16 8496 Butte Northern High Sierra Nevada; on Rocky Ridge, along Rim Road (Ponderosa Way); about 1.3 km south of Bachelor Point. 927 Comment
  CAS-BOT-BC275378  Calycadenia truncata var. truncata David D. Keck; J. Clausen 1935-6-25 3778 Butte 2.2 miles S of Flea Valley on road to Yankee Hill Comment
  CAS-BOT-BC275379  Calycadenia truncata var. truncata David D. Keck; J. Clausen 1935-6-25 3778 Butte 2.2 miles S of Flea Valley on road to Yankee Hill Comment
  CAS-BOT-BC275380  Calycadenia truncata var. truncata David D. Keck; J. Clausen 1935-6-25 3778 Butte 2.2 miles S of Flea Valley on road to Yankee Hill 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-BC275391  Calycadenia truncata var. truncata Lowell Ahart 1983-6-30 4182 Butte About 1.5 miles NE of Concow Res. 550 Comment
  CAS-BOT-BC275394  Calycadenia truncata var. truncata Walter S. Lennon 1974-1-1 s.n. Butte Near Pulga 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
  A376859  Calycanthus occidentalis C. R. Quick 1940-7-20 40 -93 Unknown NE of Big Bar Mt. on Mill Creek, E. of Feather River at Pulga 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
  CAS-BOT-BC90928  Calycanthus occidentalis John Thomas Howell 1967-6-22 42640 Butte Sierra Nevada. 1 mile southwest of Pulga Bridge Canyon of the Feather River North Fork. Comment
  CAS-BOT-BC90967  Calycanthus occidentalis P. Monnet 1913-8-1 s.n. Plumas Sierra Nevada. Feather River Canyon, Big Bar. 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
  NY43530  Calycanthus occidentalis S. Bianco 1995-9-23 1029 Butte Concow area, along unnamed creek that parallels Yellowwood Rd 793 Comment
  POM253352  Calycanthus occidentalis A. A. Heller 1938-5-28 15122 Butte Feather River Hwy 25 miles from Oroville. Comment
  UC725412  Calycanthus occidentalis A. A. Heller 1938-5-28 15122 Butte 25 mi from Oroville (on the Feather River Highway) Comment
  UC854798  Calycanthus occidentalis A. A. Heller 1938-5-28 15122 Butte 25 mi from Oroville (on the Feather River Highway) Comment
  UC1035979  Calyptridium monospermum Helen K. Sharsmith 1955-6-28 4527 Plumas near Pulga (East Branch of North Fork Feather River); North Fork Feather River 609 Comment
  SEINET198561  Calyptridium umbellatum H. K. Sharsmith 1955-6-28 4527 Plumas E Branch of N Fork of Feather River near Pulga 610 Comment
  JEPS105268  Calystegia atriplicifolia subsp. buttensis Dean W. Taylor 1995-8-6 15398 Butte near Concow Reservoir (ca. 6 air miles E of Paradise) along Hoffman Road 0.3 miles West of Concow Road; Lassen National Forest 670 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
  JEPS118206  Calystegia occidentalis subsp. occidentalis Dean W. Taylor 2004-6-17 19114 Butte Rocky Ridge, north side Feather River Canyon, Forest Road 23N06B under the electrical transmission line 899 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
  CHSC28635  Cardamine oligosperma M. S. Taylor 1979-3-31 1966 Butte Lickey Ranch, along Ishi Trail Rd, ca. 1/2 mi ne of Concow Rd and Lake Concow, ca. 25 mi n of Oroville. 670 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
  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
  CHSC28643  Cardamine pachystigma M. S. Taylor 1979-3-31 1970 Butte Lickey Ranch, along Ishi Trail Rd, ca. 1/2 mi ne of Concow Rd and Lake Concow, ca. 25 mi n of Oroville. 670 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
  CHSC91981  Cardamine pachystigma LeRoy E. Detling 1935-4-18 1634 Butte 15 miles north of Oroville, North Fork Feather River. Comment
  CHSC32738  Cardamine pachystigma var. dissectifolia M. S. Taylor; L. Hanson 1981-4-10 3524 Butte On n facing slope, from creek to ridge ca. 1/4 mi n of Pine Cluster Ranch, ca. 6 mi n of Jarbo Gap on Hwy 70, ca. 21 air mi n of Oroville. 822 Comment
  CHSC32739  Cardamine pachystigma var. dissectifolia M. S. Taylor 1981-4-14 3534 Butte W side of Ponderosa Way (Rim Rd, rd to Flea Valley), ca. 6 mi n of Jarbo Gap on Hwy 70, ca. 20 air mi n of Oroville. 914 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
  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
  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
  CHSC33860  Carex feta J. D. Jokerst 1981-5-6 1306 Butte N of and adjacent to Yankee Hill Rd ca. 300 m SE of its' junction with Hwy 70 (northern most junction). Comment
  CHSC106467  Carex gracilior Peter F. Zika 2009-6-17 24509 Butte Cascade Range Highlands (CaRH). Partly shaded margin of small unnamed creek, SE side of Concow Road at south end of Concow Reservoir, 3.7 road miles N of Route 70. 640 Comment
  CHSC48079  Carex gracilior L. P. Janeway 1989-5-13 3237 Butte Along creek NW of Concow Reservoir and on the W side of Rocky Ridge; E below the Concow Rd 8.3 mi N of Hwy 70. 822 Comment
  SEINET4231863 Image available Carex gracilior Unknown 2009-1 24509 Butte SE side of Concow Road at south end of Concow Reservoir, 3.7 road miles N of Route 70, Cascade Range Highlands. Comment
  SEINET7485255 Image available Carex gracilior Peter F. Zika 2009-1 24509 Butte SE side of Concow Road at south end of Concow Reservoir, 3.7 road miles N of Route 70, Cascade Range Highlands (CaRH) 640 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
  RSA325125  Carex multicaulis M. S. Taylor 1981-3-24 3435 Butte Two mile stretch along both sides of Feather River Highway (70), just NE of Pulga to Cresta Powerhouse, ca. 20 miles NE of Oroville. 518 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-BC117543  Carex serratodens John Thomas Howell 1951-8-19 28158 Butte 2 mi W of Pulga 365 Comment
  CHSC44964  Carex serratodens L. P. Janeway; C. A. Janeway 1986-10-12 1918 Butte Side cyn on N-side N Fk Feather River and along hwy 70 ca 5 mi E of Jarbo Gap. Site of old (probably) mining operation. 487 Comment
  CHSC47140  Carex serratodens Joyce Lacey; Dave Wieley 1989-4-30 Butte Low in the cyn of N Fk Feather River; in seep area (ditch) along Hwy 70 immediately west of the 'Pulga' bridge over the river. 472 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
  CHSC106159  Carex subfusca Peter F. Zika 2009-6-17 24508 Butte Cascade Range Highlands (CaRH), SE side of Concow Road at south end of Concow Reservoir, 3.7 road miles N of Route 70. 640 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
  SEINET8573794 Image available Carex subfusca Unknown 2009-1 24508 Butte Comment
  CHSC106514  Carex tumulicola Peter F. Zika 2009-6-17 24506 Butte Cascade Range Highlands (CaRH). SE side of Concow Road at south end of Concow Reservoir, 3,7 road miles N of Route 70, by small unnamed creek. 640 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
  SEINET7486568 Image available Carex tumulicola Peter F. Zika 2009-1 24506 Butte SE side of Concow Road at south end of Concow Reservoir, 3.7 road miles N of Route 70, Cascade Range Highlands (CaRH) 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-BC249584  Castilleja applegatei subsp. pinetorum Lowell Ahart 1983-6-30 4177 Butte About 1 1/2 miles north-east of Concow Res. 550 Comment
  CAS-BOT-BC249589  Castilleja applegatei subsp. pinetorum Clarence R. Quick 1964-7-9 64 -58 Butte North of Jarbo Gap Comment
  CAS-BOT-BC249593  Castilleja applegatei subsp. pinetorum P. C. Hutchison 1961-6-9 2103 Butte Canyon of the north fork of the Feather River along highway US, at Pulga Bridge, west side of river 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
  CHSC109577  Castilleja applegatei subsp. pinetorum L. P. Janeway 2012-6-23 10887 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  CHSC114977  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-13 20033 Butte On the north side of Rim Road, about 2-1/2 miles (air) north of Jarbo Gap, about 17 miles (air) north of Oroville. 830 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
  CHSC114979  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-13 20036 Butte On the southwest side of Rim Road, about 3 miles (air) north of Jarbo Gap, about 17-1/2 miles (air) north of Oroville. 907 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
  CHSC34082  Castilleja applegatei subsp. pinetorum M. S. Taylor 1981-7-19 3957 Butte N side of Feather River Hwy 70m at nw end of Pulga bridge and along Pulga rd ca. 1/4 mi, ca. 20 mi ne of Oroville. 487 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
  CHSC39267  Castilleja applegatei subsp. pinetorum Lowell Ahart 1983-6-30 4177 Butte About 1 1/2 miles north-east of Concow Res. Section 1. 550 Comment
  CHSC40878  Castilleja applegatei subsp. pinetorum Lowell Ahart 1985-5-15 5005 Butte 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 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
  CHSC48972  Castilleja applegatei subsp. pinetorum Vernon Oswald 1984-5-23 1207 Butte Pulga Rd, 0.5 mi n of Calif. Hwy 70. 487 Comment
  JEPS124198  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-13 20033 Butte About 2 1/2 miles (air) north of Jarbo Gap, about 17 miles (air) North of Oroville 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
  JEPS124299  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-13 20036 Butte About 3 miles (air) north of Jarbo Gap, about 17 1/2 miles (air) north of Oroville. Comment
  JEPS26677  Castilleja applegatei subsp. pinetorum P. C. Hutchison 1961-6-9 2103 Butte along U.S. Alt 40 at Pulga Bridge (canyon of the north fork of the Feather River, w side of river) 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
  JEPS80628  Castilleja applegatei subsp. pinetorum M. S. Taylor 1981-7-19 3957 Butte ca 0.25 mi <?> nw end of Pulga Bridge (along Pulga Rd, n side of Feather River Highway, ca 20 mi ne of Oroville); Pulga Quad. 487 Comment
  UC1012190  Castilleja applegatei subsp. pinetorum F. W. Pennell and A. A. Heller 1940-6-5 25692 Butte above Pulga (Route 24, along Feather River); Feather River 457 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
  CAS-BOT-BC255462  Castilleja applegatei var. pinetorum Peter H. Raven 1954-4-17 6619 Butte 10 miles above Oroville on road to Pulga 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
  CHSC114976  Castilleja pruinosa Lowell Ahart 2015-4-13 20035 Butte On the southwest side of Rim Road, about 3 miles (air) north of Jarbo Gap, about 17-1/2 miles (air) north of Oroville. 907 Comment
  CHSC40883  Castilleja pruinosa Lowell Ahart 1985-5-15 5002 Butte East of a small dry stream, 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 Comment
  CHSC48978  Castilleja pruinosa Vernon Oswald 1986-4-29 1991 Butte Rim Rd. (Ponderosa Way) 4.0 mi n of Jarbo Gap and Hwy 70. 877 Comment
  JEPS124197  Castilleja pruinosa Lowell Ahart 2015-4-13 20035 Butte About 3 miles (air) north of Jarbo Gap, about 17 1/2 miles (air) North of Oroville Comment
  CAS-BOT-BC48700  Ceanothus cordulatus Clarence R. Quick 1964-7-9 64 -68 Butte On dead-end road into Wildcat Creek east of Pulga Comment
  CHSC109561  Ceanothus cuneatus var. cuneatus L. P. Janeway 2012-6-23 10889 Butte Northern High Sierra Nevada. Southwest spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23Np6E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  SBBG128003  Ceanothus cuneatus var. cuneatus L. P. Janeway 2012-6-23 10889 Butte southwestern spur of Rocky Ridge, 0.6 air kim S of Batchelor Point; along Rd 23N06E 0.8 rd km SE of Rim Rd/Ponderosa Way 895 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-BC50776  Ceanothus integerrimus Lewis S. Rose 1968-6-12 68112 Butte Feather River Canyon - Pulga 487 Comment
  CAS-BOT-BC50780  Ceanothus integerrimus A. A. Heller 1938-5-28 15126 Butte Along Highway #24, a short distance east of Pulga 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
  CAS-BOT-BC50825  Ceanothus integerrimus Clarence R. Quick 1952-6-30 52 -99 Butte Sierra Nevada - Ridge-top, Big Bar Mt., east of Pulga 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
  GH349617  Ceanothus integerrimus L. S. Rose 1968-6-12 68112 Unknown Feather River Canyon, Pulga 487 Comment
  HSC18286  Ceanothus integerrimus L. S. Rose 1968-6-12 68112 Butte Feather River Canyon, Pulga 488 Comment
  SBBG28487  Ceanothus integerrimus A. A. Heller 1938-5-28 Butte Feather River Hwy, near Pulga 420 Comment
  SBBG32273  Ceanothus integerrimus L. S. Rose 1968-6-12 Butte Feather River Cyn, Pulga 487 Comment
  SJSU5725  Ceanothus integerrimus L. S. Rose 1968-6-12 68112 Butte Feather R Canyon, Pulga 487 Comment
  UC725821  Ceanothus integerrimus A. A. Heller 1938-5-28 15126 Butte near Pulga (along the Feather River Hwy.) 420 Comment
  UCD111992  Ceanothus integerrimus Ray Prag 1970-7-2 s.n. Butte Highway 70, at Jarboe Gap. 701 Comment
  RSA253290  Ceanothus integerrimus var. puberulus A. A. Heller 1938-5-28 15126 Butte Along the Feather River Hwy in granite near Pulga. 421 Comment
  CAS-BOT-BC51734  Ceanothus lemmonii C. R. Quick 1941-6-8 41 -10 Butte about 2 miles S. of Big Bar Mt. 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
  CHSC32681  Centaurea melitensis M. S. Taylor 1981-3-24 3447 Butte S side of Hwy 70, in turn out just e of Poe Dam, ca. 1 mi e of Pulga, in turn out. 487 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
  CHSC69446  Centaurea solstitialis Lowell Ahart 1997-9-6 7885 Butte Near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir. 731 Comment
  JEPS94438  Centaurea solstitialis Lowell Ahart 1997-9-6 7885 Butte abuot 2 air mi ne of Concow Reservoir (near the McNab Cypress Grove, near the steel tower power line, along sides of a logging road, about 1/4 mi w of Rim Road) 731 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
  CHSC62444  Cerastium arvense B. Castro 1991-4-29 441 Butte Ca 6.5 air mi ENE of Paradise, just upslope from 'Pulga' on W side of the Feather River. On N-facing edge of serpentine ridge near E end of ridge. 853 Comment
  CHSC90970  Cerastium arvense L. P. Janeway; J. Tuitele-Lewis, S. Mackey Hillaire, M. Brown 2005-5-9 8382 Butte Northern High Sierra Nevada. Plumas National Forest; Ridge on southwest side of Rim Road (Ponderosa Way) 0.9 km southeast of junction with Concow Road; north end of Rocky Ridge. 991 Comment
  JEPS108153  Cerastium arvense L. P. Janeway, J. Tuitele-Lewis, S. Mackey Hillaire, M. Brown 2005-5-9 8382 Butte Northern High Sierra Nevada. Plumas National Forest; Ridge on southwest side of Rim Road (Ponderosa Way) 0.9 km southeast of junction with Concow Road; north end of Rocky Ridge 991 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
  CHSC55491  Cercis occidentalis Ben Cunningham 1991-4-20 Butte Poe Dam, 10 ft w of Highway 70 and 52 mi s of Greenville. 609 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
  CHSC94599  Chamaesyce maculata Lowell Ahart 2006-9-11 13284 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108953  Chamaesyce maculata Lowell Ahart 2006-9-11 13284 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA724813  Chamaesyce maculata L. Ahart 2006-9-11 13284 Butte South edge of the North Fork of the Feather River, north side of Highway 760, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 432 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
  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
  CHSC94608  Chenopodium album Lowell Ahart 2006-9-13 13312 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108955  Chenopodium ambrosioides var. ambrosioides Lowell Ahart 2006-9-11 13281 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA725000  Chenopodium ambrosioides var. ambrosioides L. Ahart 2006-9-11 13281 Butte South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville. 432 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
  CDA3047  Chenopodium botrys L. Ahart 2006-9-11 13282 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. Comment
  JEPS108954  Chenopodium botrys Lowell Ahart 2006-9-11 13282 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA725001  Chenopodium botrys L. Ahart 2006-9-11 13282 Butte South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville. 432 Comment
  JEPS108956  Chenopodium pumilio Lowell Ahart 2006-9-11 13283 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 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
  CAS-BOT-BC439033  Cistanthe monosperma Helen K. Sharsmith 1955-6-28 4527 Plumas East Branch of North Fork of Feather River, near Pulga. 609 Comment
  CAS-BOT-BC228909  Cistanthe umbellata Helen K. Sharsmith 1955-6-28 4527 Plumas East Branch of North Fork of Feather River, near Pulga 609 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
  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
  CHSC1103  Clarkia gracilis subsp. albicaulis R. Carter 1964-6-15 125 Butte Feather R. Canyon, 3/4 mi. E of Pulga turnoff on Hwy. 40A on S side of highway. 609 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
  CHSC88639  Clarkia gracilis subsp. albicaulis Linnea Hanson 1994-6-29 354 Butte Plumas National Forest. 4WD Road off Concow Road. 853 Comment
  CHSC88643  Clarkia gracilis subsp. albicaulis Linnea Hanson 1994-6-13 361 Butte Plumas National Forest. Poe Power House Road. 365 Comment
  CHSC88644  Clarkia gracilis subsp. albicaulis Linnea Hanson 1994-6-18 352 Butte Plumas National Forest. Mill Creek Cal Trans Station. 426 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-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
  CHSC92946  Clarkia mildrediae subsp. lutescens L. P. Janeway; B. Castro, David Toren 2005-7-20 8500 Butte Northern High Sierra Nevada. Along Pine Cluster Ranch Road 1.1 km east of Concow Road; about 2.2 km northeast of upper end of Concow Reservoir. 677 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
  UC1730255  Clarkia mildrediae subsp. mildrediae L. P. Janeway 1994-6-17 4663 Butte NW side of canyon of North Fork Feather River, along Pulga Road (Camp Creek Road) 3.0 mi N of Pulga Bridge (Hwy 70) 603 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
  CHSC70740  Clarkia mosquinii L. P. Janeway 1994-6-23 4671 Butte Pinkston Canyon Road about 400 ft east of Concow Road. Southwest-facing road cutbank. 563 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
  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
  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
  CHSC35145  Clarkia purpurea subsp. quadrivulnera R. Schlising; R. Banchero 1980-6-19 3748 Butte S of Concow along Concow Road, 0.1 mi S of junction with Jordan Hill Road. Roadside. 524 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
  CHSC35150  Clarkia rhomboidea R. Schlising; R. Banchero 1980-6-19 3747 Butte N of Oroville near Concow Reservoir, 0.3 mi N of Concow School. (=N of jct Concow and Nelson Roads). 518 Comment
  CHSC37428  Clarkia rhomboidea A. Dawson; D. Burk, R. A. Schlising 1982-6-2 4281 Butte N of Oroville and N of Concow Reservoir along Concow Road. Roadside. 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
  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-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
  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
  CHSC37285  Claytonia parviflora subsp. parviflora M. S. Taylor 1982-5-2 4394 Butte Pulga serpentine outcrops, on n side of Hwy 70 at Pulga bridge ca 20 mi ne of Oroville. 487 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
  CHSC28634  Claytonia rubra subsp. rubra M. S. Taylor 1979-3-31 1976 Butte Lickey Ranch, along Ishi trail, ca. 1/2 mi ne of Concow Rd, and Lake Concow, ca. 25 mi n of Oroville. 670 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
  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
  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
  CHSC52785  Clematis ligusticifolia R. A. Schlising 1981-8-8 4191 Butte Concow area n of Oroville, near n end of Concow Reservoir. At roadside. Comment
  CDA11854  Collinsia tinctoria G. F. Hrusa, E. Sandoval 1993-5-29 11134 Plumas Corner of Hwy 70 and Pulga Rd. at bridge over Feather River. Comment
  CHSC33591  Collinsia tinctoria M. S. Taylor 1981-6-19 3959 Butte N side of Feather River Hwy 70, at nw end of Pulga ridge and along Pulga Rd. ca. 1/4 mi, ca. 20 mi ne of Oroville. 487 Comment
  CHSC44726  Collinsia tinctoria R. Banchero 1980-6-19 253 Butte Along Concow Rd 1.1 mi N of its jct with Hwy 70, 0.1 mi N of the town of Concow. 554 Comment
  CHSC44727  Collinsia tinctoria R. Banchero 1980-6-5 194 Butte Along Hwy 70 at its jct with the Feather River at the Rivers edge, ca 4.3 mi N of the jct of Pinkston Canyon Rd and Hwy 70. 487 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
  CHSC79571  Collinsia tinctoria G. F. Hrusa; E. Sandoval 1993-5-29 11134 Butte Feather River Canyon. Base of south-facing slope at corner of Hwy 70 and Pulga Rd. at bridge over Feather River. [Original lat./long. on label is '39 48 N; 121 37 W']. 800 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-BC180256  Comandra umbellata subsp. californica Lowell Ahart 1985-5-15 4983 Butte E along the dirt road, about 1/2 mile NE of Concow Res. 650 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
  CHSC40381  Comandra umbellata subsp. californica Lowell Ahart 1985-5-15 4983 Butte East along the dirt road, about 1/2 mile north-east of Concow Res. 594 Comment
  GH381591  Comandra umbellata subsp. californica L. Ahart 1985-5-15 4983 Unknown East along the dirt road, about 1/2 mile north-east of Concow Reservoir 594 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
  JEPS95026  Conyza floribunda Lowell Ahart 1997-9-6 7886 Butte about 2 air mi ne of Concow Reservoir (near the McNab Cypress Grove, near the steel power line, along sides of logging road, about 1/4 mi w of Rim Road) 731 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
  CHSC50806  Cordylanthus tenuis subsp. viscidus Vernon Oswald; Lowell Ahart 1990-7-31 4415 Butte Jeep Trail between Concow Rd and Rim Rd, ca. 2 mi northeast of Concow. 899 Comment
  UC1562382  Cordylanthus tenuis subsp. viscidus Vernon Oswald and Lowell Ahart 1990-7-31 4415 Butte ca 2 mi ne Concow (Jeep Trail between Concow Rd and Rim Rd) 899 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
  SBBG50827  Cornus nuttallii J. D. Watjen 1969-5-4 39 Plumas Feather River Cyn, 9.2 mi SW of Confluence with Rock Crk 457 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
  CHSC109865  Crepis occidentalis subsp. conjuncta L. P. Janeway 2012-6-7 10862 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  JEPS120499  Crepis occidentalis subsp. conjuncta L. P. Janeway 2012-6-7 10862 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road / Ponderosa Way. Comment
  CHSC100804  Crepis pleurocarpa R. A. Schlising; P. Broyles 1988-7-9 4583 Butte E of Paradise and Magalia and NE of Concow Reservoir along Rim Road (=Rocky Ridge). 975 Comment
  CHSC109531  Crepis pleurocarpa L. P. Janeway 2012-6-23 10890 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 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
  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
  CDA1935  Crypsis alopecuroides L. Ahart 2006-9-1 13302 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. Comment
  CHSC94588  Crypsis alopecuroides Lowell Ahart 2006-9-11 13302 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  HSC97072  Crypsis alopecuroides L. Ahart 2006-9-11 13302 Butte S edge of the N Fork of the Feather River, N side of Highway 70, about 1/8 miles W of the Poe Dam, about 3/4 mile NE of Pulga, about 21 miles (air) NE of Oroville 432 Comment
  JEPS108961  Crypsis alopecuroides Lowell Ahart 2006-9-11 13302 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA725028  Crypsis alopecuroides L. Ahart 2006-9-11 13302 Butte South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville. 432 Comment
  CHSC94610  Crypsis schoenoides Lowell Ahart 2006-9-11 13303 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108962  Crypsis schoenoides Lowell Ahart 2006-9-11 13303 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA725010  Crypsis schoenoides L. Ahart 2006-9-11 13303 Butte South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville. 432 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
  CHSC29388  Cryptantha intermedia R. A. Schlising; R. Banchero 1980-6-5 3644 Butte N of Lake Oroville along Hwy 70, s of the Pulga crossing of North Fork, Feather River. 609 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
  CHSC47049  Cryptantha intermedia Lowell Ahart 1983-6-30 4180 Butte 1.5 miles north-east of Concow Reservoir. 550 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
  CAS-BOT-BC85567  Cupressus macnabiana Lowell Ahart 1985-5-15 5007 Butte 4 miles north-east of Jarbo Gap, near a steel tower line, west of Rocky Ridge. 800 Comment
  CAS-BOT-BC85569  Cupressus macnabiana M. S. Taylor 1981-4-8 3503 Butte Pulga SW quad. Serpentine ridge n of logging landing site just w of power lines off logging [loggine] rd., 883 Comment
  CHSC33581  Cupressus macnabiana M. S. Taylor 1981-4-8 3503 Butte N of logging landing site, just w of the power lines off logging rd, ca. 1/2 mi w of its jct with Ponderosa Way, ca. 5 mi n of its jct with Hwy 70 at Jarbo Gap. 883 Comment
  CHSC40346  Cupressus macnabiana Lowell Ahart 1985-5-15 5007 Butte Near a steel tower line, west of Rocky Ridge, about 4 miles north-east of Jarbo Gap. 731 Comment
  CHSC69441  Cupressus macnabiana Lowell Ahart 1997-9-6 7884 Butte At the McNab Cypress grove, near the steel tower power line, along the side of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir. 731 Comment
  JEPS94436  Cupressus macnabiana Lowell Ahart 1997-9-6 7884 Butte about 2 air mi ne of Concow Reservoir (at the McNab Cypress grove, near the steel tower power line, along sides of a logging road about 1/4 mi w of Rim Road); McNab Cypress grove 731 Comment
  UCD133540  Cupressus macnabiana B. F. Smith 1970-8-5 98 Butte 2 miles north of Lake Concow, Lassen National Forest. 807 Comment
  UCD133542  Cupressus macnabiana B. F. Smith 1970-10-9 99 Butte 3.3 miles north of Jarbo Gap, Lassen National Forest. 883 Comment
  CDA39931  Cuscuta campestris L. Ahart 2006-9-13 13313 Butte South edge of the North Fork of the Feather River, just west of Mill Creek, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. Comment
  CHSC94555  Cuscuta pentagona Lowell Ahart 2006-9-13 13313 Butte South edge of the North Fork of the Feather River, just west of Mill Creek, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110300  Cuscuta pentagona Lowell Ahart 2006-9-13 13313 Butte South edge of the North Fork of the Feather River, just west of Mill Creek, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 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
  CHSC92558  Cynoglossum grande L. P. Janeway 2005-4-25 8367 Butte Northern High Sierra Nevada. Plumas National Forest; upper slope of side drainage of Flea Valley Creek 180 m northeast of junction of Concow Road and Rim Road (Ponderosa Way). 951 Comment
  CAS-BOT-BC190389  Cynosurus echinatus John Thomas Howell; Gordon H. True 1968-6-12 44563 Butte Sierra Nevada. Just west of Pulga Bridge, Feather River Canyon. 426 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
  CHSC94596  Cyperus bipartitus Lowell Ahart 2006-9-11 13297 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108951  Cyperus bipartitus Lowell Ahart 2006-9-11 13297 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  CAS-BOT-BC114597  Cyperus eragrostis L. P. Janeway; C. A. Janeway 1986-10-12 1919 Butte In rocks, gravel and sand on the N side of North Fork Feather River at Pulga 426 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
  CHSC94590  Cyperus eragrostis Lowell Ahart 2006-9-11 13298 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108952  Cyperus eragrostis Lowell Ahart 2006-9-11 13298 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 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
  CHSC94763  Cyperus niger Lowell Ahart 2006-9-13 13316 Butte South edge of the North Fork of the Feather River, about 100 yards west of Mill Creek, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110302  Cyperus niger Lowell Ahart 2006-9-13 13316 Butte South edge of the North Fork of the Feather River, about 100 yards west of Mill Creek, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 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
  CHSC94594  Cyperus squarrosus Lowell Ahart 2006-9-11 13310 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 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
  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
  CHSC68416  Cyperus strigosus L. P. Janeway; C. A. Janeway 1986-10-12 1920 Butte North side of North Fork Feather River at Pulga. 426 Comment
  CHSC94584  Cyperus strigosus Lowell Ahart 2006-9-11 13299 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108959  Cyperus strigosus Lowell Ahart 2006-9-11 13299 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA725029  Cyperus strigosus L. Ahart 2006-9-11 13299 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 432 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
  CHSC31230  Cystopteris fragilis M. S. Taylor 1980-3-8 2375 Butte Pulga community, ca. 1 mi ne of Hwy 70, ca. 28 mi ne of Oroville. 487 Comment
  CHSC32694  Cystopteris fragilis M. S. Taylor 1981-3-24 3445 Butte S side of Hwy 70 near Poe Dam, ca. 1/2 mi e of Pulga. 487 Comment
  CHSC33895  Daucus pusillus M. S. Taylor 1981-5-21 3778 Butte S side of Concow Rd, ca. 0.5 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 853 Comment
  CHSC35967  Daucus pusillus M. S. Taylor 1982-5-21 4491 Butte On n side of Hwy 70 along Pulga Rd near Pulga bridge over the Feather River, ca. 20 air mi ne of Oroville. 487 Comment
  CHSC40434  Daucus pusillus Lowell Ahart 1985-5-15 4985 Butte On a ridge, east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 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
  CHSC56781  Delphinium patens M. S. Taylor 1981-4-28 3568 C Butte On s side of Four Trees Rd, ca. 1/2 mi e of Hwy 70, ca. 2 mi ne of Pulga. 670 Comment
  CHSC48689  Delphinium patens subsp. patens Vernon Oswald 1985-5-2 1745 Butte Concow Rd. 1.1 mi sw of its jct. with Ponderosa Way. 853 Comment
  CHSC56782  Delphinium patens subsp. patens M. S. Taylor 1981-4-8 3508 Butte N side of logging landing site, just w of power lines, off logging rd ca. 1/2 mi w of its jct with Ponderosa Way (Rim Rd), ca. 5 air mi n of its jct with Hwy 70 at Jarbo Gap. 883 Comment
  CHSC59804  Delphinium patens subsp. patens Diana Licky 1981-5-5 Butte Concow area. 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
  UCD95265  Dendromecon rigida B. F. Smith 1970-8-5 97 Butte 2 miles north of Concow Reservoir, Lassen National Forest. 807 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
  CAS-BOT-BC209183  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1951-8-19 28157 Butte 2 miles west of Pulga - Sierra Nevada 365 Comment
  CAS-BOT-BC209184  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1951-8-19 28157 Butte 2 miles west of Pulga - Sierra Nevada 365 Comment
  JEPS108960  Dichanthelium acuminatum subsp. fasciculatum Lowell Ahart 2006-9-11 13307 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA88110  Dichanthelium acuminatum var. fasciculatum J. T. Howell 1951-8-19 28157 Butte 2 miles west of Pulga 366 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
  CHSC92733  Dichelostemma multiflorum L. P. Janeway 2005-6-26 8430 Butte Northern High Sierra Nevada. South-facing slope 0.4 km south of top of Batchelor Point, 0.6 km east of top of Rocky Ridge and Rim Road (Ponderosa Way). 945 Comment
  CHSC93881  Dichelostemma multiflorum L. P. Janeway 2006-5-28 8636 Butte Northern High Sierra Nevada. Open serpentine bowl on west side of Concow Road about 3.2 mi northeast of the upper end of Concow Reservoir. 856 Comment
  JEPS48317  Dichelostemma multiflorum Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2690 Butte w side Pulga Bridge; North Fork of Feather River 472 Comment
  RSA712798  Dichelostemma multiflorum L. P. Janeway 2005-6-26 8430 Butte Northern High Sierra Nevada, S facing slope 0.4km S of top of Batchelor Point, 0.6 km E of top of Rocky Ridge and Rim road (Ponderosa Way). 945 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
  CHSC94764  Digitaria sanguinalis Lowell Ahart 2006-9-11 13305 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110377  Digitaria sanguinalis Lowell Ahart 2006-9-11 13305 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA724999  Digitaria sanguinalis L. Ahart 2006-9-11 13305 Butte South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville. 432 Comment
  CHSC44759  Diplacus grandiflorus R. Banchero 1980-6-5 195 Butte Along Hwy 70 at its jct with the Feather River at the Rivers edge, ca 4.3 mi N of the jct of Pinkston Canyon Rd and Hwy 70. 487 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
  CHSC44771  Diplacus grandiflorus R. Banchero 1980-6-19 258 Butte Along Concow Rd 4.95 mi N of its jct with Deadwood Rd, 5.8 mi N of the town of Concow. 646 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
  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
  CHSC44789  Diplacus kelloggii R. Banchero 1980-6-19 256 Butte Along Concow Rd 4.95 mi N of its jct with Deadwood Rd, 5.8 mi N of the town of Concow. 646 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
  CHSC47068  Disporum hookeri R. A. Schlising; Kirsten Tarp 1982-7-28 4351 Butte E of Feather River Canyon and Pulga, on Four Trees Road. 731 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
  CHSC67289  Dodecatheon hendersonii James D. Jokerst; L. Ahart 1985-3-24 2178 Butte Rocky Ridge' ca. 1.33 mi NE of N edge of Lake Concow on road to Flea Mtn. 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
  CHSC31141  Draba verna var. aestivalis M. S. Taylor 1979-3-19 1929 Butte In vicinity of Pulga bridge over Feather River on Hwy 70, ca. 25 mi ne of Oroville. 487 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
  CHSC40030  Draperia systyla A. A. Heller 1938-5-28 15128 Butte very common along Highway #24 in the vicinity of Pulga. 426 Comment
  CHSC44041  Draperia systyla L. P. Janeway 1987-5-20 2075 Butte Cyn of N Fk Feather River. Along hwy 70 1.7 mi NE of Pulga Bridge; at Poe Dam. NW-facing rocky slope along the hwy. 472 Comment
  RSA304016  Draperia systyla Jim R. Shevock 1972-5-19 1780 Butte Hwy 70, Feather River Canyon. 610 Comment
  UC726882  Draperia systyla A. A. Heller 1938-5-28 15128 Butte Along Feather River Highway near Pulga 725 Comment
  UC880655  Draperia systyla Lewis S. Rose 1939-6-7 39251 Plumas Pulga 426 Comment
  UCD119198  Draperia systyla Grady L. Webster 1992-5-16 7761 Butte c. 1.5 mi SW Cresta Power House, N Fork Feather River. 457 Comment
  CAS-BOT-BC159641  Drymocallis glandulosa var. glandulosa Lowell Ahart 1985-5-15 774 Butte 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 800 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
  CHSC29001  Dryopteris arguta M. S. Taylor 1980-3-8 2376 Butte Pulga community, ca. 1 mi ne of Hwy 70, ca. 28 mi ne of Oroville. 487 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
  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
  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
  CHSC101118  Dudleya cymosa Zachary Garcia 2008-4-8 Butte Dark Canyon Rd. 591 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
  CHSC29818  Dysphania ambrosioides M. S. Taylor; J. D. Jokerst 1979-10-13 2248 Butte By creek, crossing Jordan Hill Rd (Ponderosa Way on some maps) ca. 0.8 mi n of its jct with Concow Rd, ca. 5 mi e of Paradise. 426 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
  CHSC94591  Dysphania ambrosioides Lowell Ahart 2006-9-11 13281 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 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
  CHSC94598  Dysphania botrys Lowell Ahart 2006-9-11 13282 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  SBBG120022  Dysphania botrys L. Ahart 2006-9-11 13282 Butte S edge of the N Fork of the Feather River, N side of Hwy 70, about 1/8 mi W of the Poe Dam, about 0.75 mi NE of Pulga, about 21 mi (air) NE of Oroville 431 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
  CHSC94592  Dysphania pumilio Lowell Ahart 2006-9-11 13283 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 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
  CHSC94762  Echinochloa crus-galli Lowell Ahart 2006-9-11 13304 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110295  Echinochloa crus-galli Lowell Ahart 2006-9-11 13304 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 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
  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
  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
  CHSC94556  Eleocharis macrostachya Lowell Ahart 2006-9-13 13315 Butte South edge of the North Fork of the Feather River, about 100 yards west of Mill Creek, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  CHSC55614  Eleocharis obtusa L. P. Janeway; C. A. Janeway 1986-10-12 1921 Butte North side of North Fork Feather River at Pulga. 426 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
  CHSC33852  Elymus X hansenii J. D. Jokerst 1981-5-21 1328 Butte Along road. Pulga RD ca 1/0 mi NE of it's jct with Hwy 70. 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
  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
  CHSC69450  Epilobium brachycarpum Lowell Ahart 1997-9-6 7888 Butte Near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir. 731 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
  CHSC12075  Epilobium canum subsp. latifolium R. N. Bowman 1971-10-17 58 Butte Found growing on embankment along Hwy. 70, ca. 4.1 mi. w. of Bear Creek Falls, in the Feather River Canyon. 762 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
  CHSC94617  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2006-9-11 13287 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108972  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2006-9-11 13287 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA0074183  Epilobium ciliatum subsp. glandulosum L. Ahart 2006-9-11 13287 Butte South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville. 432 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
  CHSC109575  Epilobium minutum L. P. Janeway 2012-6-7 10866 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  CHSC34715  Epilobium minutum M. S. Taylor 1981-5-21 3773 Butte S side of Concow Rd, ca. 1/2 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 853 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
  CHSC92730  Epilobium minutum L. P. Janeway 2005-6-26 8432 Butte Northern High Sierra Nevada. South-facing slope 0.4 km south of top of Batchelor Point, 0.6 km east of top of Rocky Ridge and Rim Road (Ponderosa Way). 945 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
  HSC16315  Epilobium minutum L. S. Rose 1963-6-2 63071 Butte 2 mi. S of Pulga, N Fork of the Feather River 579 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
  JEPS34387  Epilobium minutum Rimo Bacigalupi and P. C. Hutchison, J. K. Wright 1963-6-1 8863 Butte above side road off U.S. highway 40 (at n base of grade over Jarbo Gap and just before bridge across Feather River, 0.75 mi s of Pulga); Canyon of N. Fk. Feather River 426 Comment
  RSA169435  Epilobium minutum L. S. Rose 1963-6-2 63071 Butte 2 mi south of Pulga, North Fork of Feather River. 579 Comment
  RSA712800  Epilobium minutum L. P. Janeway 2005-6-26 8432 Butte Northern High Sierra Nevada, S facing slope 0.4km S of top of Batchelor Point, 0.6 km E of top of Rocky Ridge and Rim road (Ponderosa Way). 945 Comment
  SBBG32323  Epilobium minutum L. S. Rose 1963-6-2 Butte 2 mi S of Pulga, N Fork of Feather River 579 Comment
  UCD106506  Epilobium minutum Lewis S. Rose 1963-6-2 63071 Butte 2 miles S of Pulga. North fork of Feather River. 579 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
  CHSC34681  Equisetum hyemale subsp. affine M. S. Taylor 1979-3-19 1933 Butte 1.5 mi e of Pulga bridge on Hwy 70 over Feather River, ca. 25 mi n of Oroville. 487 Comment
  CHSC39211  Equisetum hyemale subsp. affine M. S. Taylor 1983-3-13 5244 Butte Community of Pulga, off n side of Hwy 70, ca. 20 mi ne of Oroville. 487 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
  RSA724875  Eragrostis pectinacea L. Ahart 2006-9-11 13338 Butte South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville. 432 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
  CHSC94758  Eragrostis pectinacea var. pectinacea Lowell Ahart 2006-9-11 13338 Butte South side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110298  Eragrostis pectinacea var. pectinacea Lowell Ahart 2006-9-11 13338 Butte South side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 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
  CHSC110255  Ericameria nauseosa var. speciosa L. P. Janeway 2012-10-11 11073 Butte Northern High Sierra Nevada. Plumas National Forest; southwest-ern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines. 895 Comment
  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
  CHSC69447  Erigeron canadensis Lowell Ahart 1997-9-6 7886 Butte Near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir. 731 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
  CAS-BOT-BC295773  Erigeron petrophilus var. sierrensis Walter S. Lennon 1974-1-1 s.n. Butte Near Pulga Comment
  CAS-BOT-BC295774  Erigeron petrophilus var. sierrensis John Thomas Howell 1959-9-26 s.n. Butte At Pulga Bridge, Feather River Canyon Comment
  CAS-BOT-BC295775  Erigeron petrophilus var. sierrensis John Thomas Howell 1951-8-19 28161 Butte 2 miles west of Pulga 365 Comment
  CAS-BOT-BC295776  Erigeron petrophilus var. sierrensis John Thomas Howell 1951-6-26 27525 Butte Near Pulga 365 Comment
  CHSC50792  Erigeron petrophilus var. sierrensis Vernon Oswald; Lowell Ahart 1990-7-31 4414 Butte Jeep Trail between Concow Rd and Rim Rd, ca. 2 mi northeast of Concow. 902 Comment
  CHSC61906  Erigeron petrophilus var. sierrensis M. S. Taylor 1981-6-19 3962 Butte N side of Feather River Hwy 70, at nw end of Pulga bridge and along Pulga Rd, ca. 20 mi ne of Oroville. Comment
  CHSC67339  Erigeron petrophilus var. sierrensis J. D. Jokerst 1984-8-15 2147 Butte Along edge of Pulga Road within 100 meters of its junction with Highway 70. Canyon of the North Fork of the Feather River. Comment
  CHSC69443  Erigeron petrophilus var. sierrensis Lowell Ahart 1997-9-6 7889 Butte Near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir. 731 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
  JEPS105013  Erigeron petrophilus var. sierrensis Dean W. Taylor 1995-8-6 15384 Butte Rocky Ridge, N end; ca. 6 air mi E of Paradise, on the northern rim of the North Fork Feather River canyon; Lassen National Forest 975 Comment
  JEPS95007  Erigeron petrophilus var. sierrensis Lowell Ahart 1997-9-6 7889 Butte about 2 air mi ne of Concow Reservoir (near the McNab Cypress Grove, near the steel power line, along sides of logging road, about 1/4 mi w of Rim Road) 731 Comment
  UC1562351  Erigeron petrophilus var. viscidulus Vernon Oswald and Lowell Ahart 1990-7-31 4414 Butte 2 mi ne Concow (on Jeep Trail between Concow Road and Rim Road) 902 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
  CHSC19919  Eriodictyon californicum M. S. Taylor 1975-2-16 385 Butte Ca. 2 mi s of Concow Reservoir on Jordan Hill Rd. Comment
  JEPS26744  Eriodictyon californicum P. C. Hutchison 1961-6-9 2096 Butte Canyon of the North Fork of the Feather River along highway US Alt. 40, 1 mi s (above) Pulga Bridge; canyon of North Fork of the Feather River 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
  CAS-BOT-BC259398  Eriogonum luteolum James L. Reveal 1975-8-24 3978 Butte Along California Highway 70 in Feather River Canyon at the turnoff to Pulga 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
  CHSC34669  Eriogonum luteolum var. luteolum M. S. Taylor 1981-7-10 4060 Butte N side of Feather River Hwy 70 at Pulga bridge, ca. 20 mi ne of Oroville. 487 Comment
  CHSC39265  Eriogonum luteolum var. luteolum Lowell Ahart 1983-6-30 4181 Butte Found along the dirt road, about 1 1/2 miles northeast of Concow Res. Section 1. 550 Comment
  CHSC34722  Eriogonum nudum var. pubiflorum M. S. Taylor 1981-7-10 4058 Butte N side of Feather River Hwy 70 at Pulga bridge, on large serpentine outcrop, ca. 20 mi ne of Oroville. 487 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
  CHSC110757  Eriogonum umbellatum var. ahartii Dean Wm. Taylor 2011-8-1 21133 Butte Sierra Nevada. Pulga Bridge, Feather River canyon, Pulga Road about 200 yards E of the intersection with Hay 70; vertical rock face above the road. 457 Comment
  CHSC25328  Eriogonum umbellatum var. ahartii M. P. Hayes 1977-3-20 2 Butte Ca. .9 km sw of Pulga, 100 m n of North Fork of Feather River, along Pulga Rd., 50 m from juncture with Hwy. 70. Below outcrop adjacent to road. 490 Comment
  CHSC34721  Eriogonum umbellatum var. ahartii M. S. Taylor 1981-9-17 4280 Butte N side of Feather River Hwy 70 at Pulga bridge, ca. 20 mi ne of Oroville. 487 Comment
  CHSC69453  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-9-6 7883 Butte Near the McNab Cypress grove, near the steep tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir. 731 Comment
  CHSC69454  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-9-6 7893 Butte On the west side of Concow Road, about 2 miles northeast of Concow Reservoir. 701 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
  JEPS94437  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-9-6 7883 Butte about 2 air mi ne of Concow Reservoir (near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road about 1/4 mi w of Rim Road) 731 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
  RSA0089890  Eriogonum umbellatum var. ahartii Dean Wm. Taylor 2011-8-1 21133 Butte Pulga Bridge, Feather River canyon, Pulga Road about 200 yards E of the intersection, Highway 70. 457 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
  RSA88593  Eriogonum umbellatum var. ahartii J. T. Howell 1951-8-19 28160 Butte 2 miles west of Pulga 366 Comment
  SEINET3860080  Eriogonum umbellatum var. ahartii James L. Reveal 1975-8-24 3977 Butte Along California Hwy 70 in Feather River Canyon at the turnoff to Pulga.; 0 Comment
  SEINET4855027  Eriogonum umbellatum var. ahartii James L. Reveal 1975-8-24 3977 Butte Along Calif Hwy 70 in Feather River Canyon at the turnoff to Pulga. Comment
  UCD163429  Eriogonum umbellatum var. ahartii Robert E. Preston 2015-7-17 3011 Butte Along Concow Rd, 1.8 mi NE of Concow Reservoir. 866 Comment
  CAS-BOT-BC265209  Eriogonum umbellatum var. speciosum M. S. Taylor 1981-9-17 4280 Butte N side of Feather River Hwy 70 at Pulga Bridge, ca. 20 mi ne of Oroville 487 Comment
  CAS-BOT-BC265210  Eriogonum umbellatum var. speciosum James L. Reveal 1975-8-24 3977 Butte Along California Highway 70 in Feather River Canyon at the turnoff to Pulga Comment
  CAS-BOT-BC265212  Eriogonum umbellatum var. speciosum John Thomas Howell 1951-8-19 28160 Butte 2 miles west of Pulga, Sierra Nevada 365 Comment
  CAS-BOT-BC265214  Eriogonum umbellatum var. speciosum John Thomas Howell 1951-6-26 27524 Butte Near Pulga, Sierra Nevada 417 Comment
  CAS-BOT-BC265215  Eriogonum umbellatum var. speciosum John Thomas Howell 1959-9-26 35090 Butte Pulga Bridge, N. Fk. Feather River, Sierra Nevada 417 Comment
  UCD101499  Eriogonum umbellatum var. speciosum John Thomas Howell 1959-9-26 35090 Butte at Pulga Bridge, North Fork Feather River. 417 Comment
  CAS-BOT-BC262208  Eriogonum ursinum A. A. Heller 1938-5-28 15116 Butte 23 miles east of Oroville on Highway #24 Comment
  JEPS48320  Eriogonum ursinum Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2693 Butte Pulga Bridge, west side North Fork of Feather River, Pulga Bridge 472 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
  CHSC29389  Eriogonum ursinum var. ursinum R. A. Schlising; R. Banchero 1980-6-5 3643 Butte N of Lake Oroville along Hwy 70, south of the Pulga Crossing of North Fork, Feather River. 609 Comment
  CHSC37517  Eriogonum ursinum var. ursinum M. S. Taylor 1982-6-6 4608 Butte On serpentine along Pulga Rd, just n of its jct with Hwy 70, ca. 20 air mi ne of Oroville. 487 Comment
  CHSC39090  Eriogonum ursinum var. ursinum R. A. Schlising 1980-5-12 3587 a Butte About 2 miles s of Pulga along Highway 70; serpentine outcrop above highway. 609 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
  CHSC44046  Eriogonum ursinum var. ursinum L. P. Janeway 1987-6-13 2197 Butte Along Ponderosa Way (Rim Rd) 3.8 NE of Jarbo Gap. East-facing roadcut. 883 Comment
  CHSC98660  Eriogonum ursinum var. ursinum B. Castro; L. P. Janeway 2005-8-8 1513 Butte Ca 20 air mi NNE of Oroville and 2 mi S of Flea Mtn, along Rim Rd ca 1 mi SE of its jcn with Concow Rd. E-facing upper edge of knoll on rocky serpentine ridge within patchy lower Mixed Conifer forest. 1021 Comment
  CHSC102182  Eriogonum vimineum George W. Hartwell 2009-6-30 Butte Concow Road, approx. 3-4 miles above Concow Reservoir on serpentine ridge burned by wildfire in summer 2008. 858 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
  CHSC100919  Eriophyllum lanatum var. croceum R. A. Schlising; Arthur Dawson, Don Burk 1982-6-2 4280 Butte North of Oroville and north of Concow Reservoir. At roadside. Comment
  CHSC332  Eriophyllum lanatum var. croceum 1954-5-30 Butte Below Concow Lake on road to Flea Valley. Comment
  CHSC33787  Eriophyllum lanatum var. croceum M. S. Taylor; L. Hanson 1981-4-10 3520 Butte On e side of logging spur rd, ca. 0.5 mi n of its jct with Concow Rd, ca. 6 mi n of Jarbo Gap on Hwy 70. 731 Comment
  CHSC35696  Eriophyllum lanatum var. croceum J. D. Jokerst 1982-5-1 1547 B Butte N of Concow Resv. N. of Hoffman Rd, ca. 2.0 mi E of Concow Rd. Comment
  CHSC37768  Eriophyllum lanatum var. croceum M. S. Taylor 1981-5-21 3760 Butte S side of Lake Concow, ca. 5 mi e of Paradise. 640 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
  CAS-BOT-BC308157  Eriophyllum lanatum var. grandiflorum Lewis S. Rose 1963-6-2 63066 Butte 2 mi. south of Pulga North Fork of Feather River 579 Comment
  CHSC109576  Eriophyllum lanatum var. grandiflorum L. P. Janeway 2012-6-7 10856 Butte Northern High Sierra Nevada. Southwestern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines 895 Comment
  CHSC40478  Eriophyllum lanatum var. grandiflorum Lowell Ahart 1985-5-15 4997 Butte West of a small dry stream, 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 Comment
  JEPS32712  Eriophyllum lanatum var. grandiflorum Lewis S. Rose 1963-6-2 63066 Butte 2 mi s Pulga; North Fork of Feather River 579 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
  CHSC25361  Erysimum capitatum var. capitatum Marc P. Hayes 1977-4-22 5 Butte Ca. .8 km sw of Pulga, 110 m n of North Fork of Feather River, along Pulga Rd., ca. 100 m from juncture with Hwy 70. 490 Comment
  CHSC33186  Erysimum capitatum var. capitatum R. E. Preston 1981-6-2 78 Butte Rocky Ridge, ca. 3.2 km ne of Lake Concow, ca. 32 km n of Oroville. 1025 Comment
  CHSC4614  Erysimum capitatum var. capitatum R. Carter 1966-4-28 372 Butte Found in Feather R. Canyon ca. 7 mi. N of Jarbo Gap at intersection of Hwy. 70 and 23N38; ca. 200 yds. S of 23N28 on E side of Hwy. 70 at base of road bank. 640 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
  CHSC94582  Erythranthe cardinalis Lowell Ahart 2006-9-11 13311 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  CHSC49002  Erythranthe filicifolia Vernon Oswald 1986-4-26 1981 Butte Along the Western Pacific RR between Pulga and Poe Dam. 438 Comment
  CHSC94564  Erythranthe filicifolia Lowell Ahart 2006-9-11 13293 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 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
  CAS-BOT-BC153855  Erythranthe glaucescens Lowell Ahart 1985-5-15 4992 Butte 1/8 miles east of the dirt road, about 1 1/2 miles north-east of Concow Res. 800 Comment
  CAS-BOT-BC153871  Erythranthe glaucescens John Thomas Howell 1951-8-19 28155 Butte 2 miles west of Pulga 365 Comment
  CHSC110632  Erythranthe glaucescens Christopher T. Ivey 2013-5-9 380 Butte Pulga Road, near intersection with Hwy. 70. 490 Comment
  CHSC25360  Erythranthe glaucescens Marc P. Hayes 1977-4-22 6 Butte Ca. .8 km sw of Pulga. 120 m n of North Fork of Feather River, along Pulga Rd., ca. 100 m from juncture with Hwy 70. 495 Comment
  CHSC40884  Erythranthe glaucescens Lowell Ahart 1985-5-15 4992 Butte 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 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
  OBI9412  Erythranthe glaucescens Lewis S. Rose 1967-5-8 67077 Butte 1 mi S of Pulga, North Fork Feather River 427 Comment
  CHSC44739  Erythranthe guttata R. Banchero 1980-6-19 252 Butte Along Concow Rd 0.6 mi N of its jct with Hwy 70, 0.4 mi S of the town of Concow. 573 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
  CHSC2267  Erythronium multiscapideum P. Delaplane 1965-5-4 54 Butte On S side of Concow Road. South side of Lake Concow. 1219 Comment
  CHSC32640  Erythronium multiscapideum M. S. Taylor; L. Hanson 1981-3-31 3462 Butte S side of Concow Rd, ca. 0.5 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 853 Comment
  CHSC32641  Erythronium multiscapideum M. S. Taylor; L. Hanson 1981-3-31 3457 Butte N side of spur rd, ca. 1/10 mi w of its jct with Ponderosa Way (Rim Rd, rd to Flea Valley), ca. 5 mi ne of its jct with Hwy 70 at Jarbo Gap. 792 Comment
  CHSC32642  Erythronium multiscapideum M. S. Taylor; L. Hanson 1981-3-31 3460 Butte S side of Ponderosa Way (Rim Rd, rd to Flea Valley), ca. 1/4 mi se of its jct with Concow Rd, ca. 20 air mi n of Oroville. 975 Comment
  CHSC32649  Erythronium multiscapideum M. S. Taylor; D. V. Hemphill 1981-3-18 3416 Butte N side of Pulga Rd, near its jct with Pulga bridge over Hwy 70. 487 Comment
  CHSC32653  Erythronium multiscapideum M. S. Taylor; D. Hemphill 1981-3-18 3416 Butte S side of Hwy 70 just e of Pulga Bridge by turnout. 487 Comment
  CHSC32737  Erythronium multiscapideum M. S. Taylor; L. Hanson 1981-4-10 3523 Butte Ca. 1/4 mi n of Pine Cluster Ranch, ca. 6 mi n of Jarbo Gap on Hwy 70, ca. 21 air mi n of Oroville. 822 Comment
  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
  CHSC33578  Erythronium multiscapideum M. S. Taylor 1981-4-14 3535 Butte S side of Ponderosa Way. Ca. 1.10 mi n of its jct with Concow Rd, ca. 2 mi n of Lake Concow, ca. 3/4 mi s of Flea Mt. 1036 Comment
  CHSC33719  Erythronium multiscapideum M. S. Taylor 1981-4-8 3515 Butte S side of Ponderosa Way on Rocky Ridge looking down into Flea Valley Creek cyn and Pulga, ca. 6.5 mi n of Jarbo Gap on Hwy 70, ca. 21 mi n of Oroville. 1005 Comment
  CHSC49690  Erythronium multiscapideum Vernon Oswald 1985-4-3 1697 Butte Concow Rd. n of Lake Concow. 792 Comment
  CHSC88607  Erythronium multiscapideum Linnea Hanson 1983-4-6 181 Butte Plumas National Forest. Hwy. 70, behind Cal Trans Maint. Station. 609 Comment
  CHSC88619  Erythronium multiscapideum Linnea Hanson; Glenn Clifton 1997-3-19 370 Butte Plumas National Forest. 3 miles from Jarbo Gap, Rocky Ridge Road. Comment
  CHSC88637  Erythronium multiscapideum Linnea Hanson 1983-4-22 193 Butte Plumas National Forest. East of Rocky Ridge. 670 Comment
  CHSC88640  Erythronium multiscapideum Linnea Hanson 1983-4-6 188 Butte Plumas National Forest. Above Concow. 822 Comment
  CHSC88642  Erythronium multiscapideum Linnea Hanson 1983-4-6 179 Butte Plumas National Forest. At Pulga Bridge, Oroville side. 426 Comment
  CHSC88646  Erythronium multiscapideum Linnea Hanson; Glenn Clifton 1997-3-19 369 Butte Plumas National Forest. Pulga Road at Pulga Bridge. Comment
  JEPS97587  Erythronium multiscapideum R. D. Stone and W. B. Davilla 1984-4-20 590 Butte along the road to Bardees Bar Pulga (ca. 2.5 mi SSW of); Canyon of North Fork Feather River 411 Comment
  RSA325090  Erythronium multiscapideum M. S. Taylor 1981-4-8 3518 Butte N side of Concow road, ca. 3/4 mile S of its jct. with Ponderosa Way/Rim road, ca. 6 air miles N of Jarbo Gap on highway 70, ca. 21 air miles N of Oroville. 854 Comment
  UC1485464  Erythronium multiscapideum M. S. Taylor 1981-4-8 3518 Butte serpentine ridge on n side of Concow Rd ca 3/4 mi s jct with Ponderosa Way (ca 6 air mi n of Jarbo Gap on Hwy 70, ca 21 air mi n of Oroville); Pulga SW Quad 853 Comment
  UC1485465  Erythronium multiscapideum M. S. Taylor 1981-4-8 3504 Butte serpentine ridge on n side logging landing site (just w of power lines off logging rd ca 1/2 mi w of its jct with Ponderosa Way (rd to Flea Valley), ca 5 mi n of its jct with Hwy 70); Pulga SW Quad 883 Comment
  UC1485466  Erythronium multiscapideum M. S. Taylor 1981-4-8 3516 Butte open reddish serpentine slope ca 1/10 mi s jct of Concow Road and Ponderosa Way (ca 7 mi n of Jarbo Gap on Hwy 70, ca 22 air mi n of Oroville); Pulga SW Quad 975 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
  CHSC37283  Eschscholzia californica M. S. Taylor 1982-5-2 4388 Butte Pulga serpentine oucrops on n side of Hwy 70 at Pulga bridge, ca 20 mi ne of Oroville. 487 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
  CHSC94615  Euthamia occidentalis Lowell Ahart 2006-9-11 13275 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108974  Euthamia occidentalis Lowell Ahart 2006-9-11 13275 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA724815  Euthamia occidentalis L. Ahart 2006-9-11 13275 Butte South edge of the North Fork of the Feather River, north side of highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 air miles northeast of Oroville. 432 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
  CAS-BOT-BC278269  Festuca californica John Thomas Howell; Gordon H. True 1967-6-11 42564 Butte On northwest side of Feather River Canyon near Pulga Bridge 426 Comment
  CAS-BOT-BC278271  Festuca californica John Thomas Howell; Gordon H. True 1967-5-9 42243 Butte On northwest side of Feather River Canyon near Pulga Bridge 426 Comment
  CHSC40452  Festuca californica Lowell Ahart 1985-5-15 4998 Butte East of a small dry stream, 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 Comment
  CHSC93936  Festuca californica L. P. Janeway 2006-5-28 8641 Butte Northern High Sierra Nevada. Open serpentine bowl on west side of Concow Road about 3.2 mi northeast of the upper end of Concow Reservoir. 860 Comment
  CHSC98657  Festuca californica B. Castro; L. P. Janeway 2005-8-9 1525 Butte Ca 20 air mi NNE of Oroville and 2 mi S of Flea Mtn, along Rim Rd ca 1 mi SE of its jcn with Concow Rd. On uphill edge of road, on NE-facing slope. 987 Comment
  JEPS108543  Festuca californica L. P. Janeway 2006-5-28 8641 Butte Northern High Sierra Nevada. Open serpentine bowl on west side of Concow Road about 3.2 mi northeast of the upper end of Concow Reservoir 860 Comment
  UCD65826  Festuca californica John Thomas Howell; Gordon H. True 1967-5-9 42243 Butte On NW side of Feather River Canyon near Pulga Bridge. 426 Comment
  CAS-BOT-BC278300  Festuca californica subsp. californica Lowell Ahart 1985-5-15 4998 Butte 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 800 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
  CHSC109857  Festuca californica var. californica L. P. Janeway 2012-6-7 10870 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  CHSC92550  Festuca californica var. californica L. P. Janeway 2005-4-6 8359 Butte Northern High Sierra Nevada. Plumas National Forest; southwestern non-serpentine spur ridge at south end of Rocky Ridge, about 2.2 km east of north end of Concow Reservoir. 860 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
  RSA300178  Festuca californica var. californica J. T. Howell, Gordon H. True 1967-6-11 42564 Butte On NW side of Feather River Canyon near Pulga Bridge. 427 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
  CHSC109547  Festuca microstachys L. P. Janeway 2012-6-7 10865 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 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
  CHSC101461  Festuca rubra L. P. Janeway; Sarah Starkey 2009-7-13 9858 Butte Northern High Sierra Nevada. Northern end of Rocky Ridge, just northwest side of Rim Road (Ponderosa Way) 0.8 km southeast of Concow Road. 978 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
  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
  CAS-BOT-BC62950  Frangula californica subsp. tomentella Lewis S. Rose 1968-6-12 68113 Butte Feather River Canyon. Pulga. 487 Comment
  CHSC109568  Frangula californica subsp. tomentella L. P. Janeway 2012-6-23 10884 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  HSC104024  Frangula californica subsp. tomentella L. P. Janeway 2012-6-23 10884 Butte Southwestern spur of Rocky Ridge, 0.6 air km. south of Batchelor Point; along Forest Service Rd. 23N06E, 0.8 km SE of Rim Road/Ponderosa Way. 895 Comment
  HSC18389  Frangula californica subsp. tomentella L. S. Rose 1968-6-12 68113 Butte Feather River Canyon, Pulga 488 Comment
  OBI2924  Frangula californica subsp. tomentella Lewis S. Rose 1968-6-12 68113 Butte Feather River Cyn; Pulga 488 Comment
  SBBG32407  Frangula californica subsp. tomentella L. S. Rose 1968-6-12 Butte Feather River Cyn, Pulga 487 Comment
  SJSU7511  Frangula californica subsp. tomentella L. S. Rose 1968-6-12 68113 Butte Feather R Canyon, Pulga 487 Comment
  UCD112793  Frangula californica subsp. tomentella Lewis S. Rose 1968-6-12 68113 Butte Feather River Canyon. Pulga. 487 Comment
  CAS-BOT-BC55652  Frangula purshiana M. S. Taylor 1981-5-21 3758 Butte Paradise SE quad. S side of Lake Concow, ca. 5 mi E of Paradise 640 Comment
  CAS-BOT-BC55656  Frangula purshiana C. R. Quick 1946-8-21 46 -128 Butte Meadow near Pulga Comment
  CHSC39925  Frangula purshiana M. S. Taylor 1981-5-21 3758 Butte S side of Lake Concow, ca. 5 mi E of Paradise. 640 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-BC55785  Frangula rubra subsp. yosemitana C. R. Quick 1941-6-8 41 -09 Butte About 2 miles S. of Big Bar. Mt. Comment
  CHSC109574  Frasera albicaulis var. nitida L. P. Janeway 2012-6-7 10863 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 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
  CHSC94613  Fraxinus latifolia Lowell Ahart 2006-9-11 13288 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108969  Fraxinus latifolia Lowell Ahart 2006-9-11 13288 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA725003  Fraxinus latifolia L. Ahart 2006-9-11 13288 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 432 Comment
  CAS-BOT-BC130319  Fritillaria eastwoodiae A. A. Heller 1922-4-23 13618 Butte On the Feather River crossing near Yankee Hill Comment
  CHSC2279  Fritillaria eastwoodiae R. Carter 1964-3-23 68 Butte 1/4 mi. down Truex Rd. off Hwy. 40 A on S side of road. 152 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
  CHSC102189  Fritillaria recurva George W. Hartwell 2009-4-4 Butte Concow Road, 3-4 miles above Concow Reservoir on a serpentine ridge and adjacent steep, rocky hillsides burned by summer wildfire in 2008. 861 Comment
  CHSC2285  Fritillaria recurva P. Delaplane 1965-5-4 53 Butte On south side of Concow Road, south side of Lake Concow. 1219 Comment
  CHSC32730  Fritillaria recurva M. S. Taylor 1981-4-8 3506 Butte Ca. 0.5 mi w of its jct with Ponderosa Way (Rim Rd, rd to Flea Valley), ca. 5 mi n of its jct with Hwy 70 at Jarbo Gap. 883 Comment
  CHSC92557  Fritillaria recurva L. P. Janeway 2005-4-25 8366 Butte Northern High Sierra Nevada. Plumas National Forest; ridgetop northern end of Rocky Ridge; just above Rim Road (Ponderosa Way) 200 m east-southeast of junction with Concow Road; head of upper side drainage of Flea Valley Creek. 988 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
  CHSC109850  Galium bolanderi L. P. Janeway 2012-6-23 10886 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  CHSC28493  Galium bolanderi M. S. Taylor 1979-7-22 2168 Butte Pulga bridge, on N side of trail leading from NE side of Pulga bridge over Hwy 70, ca. 27 mi N of Oroville. 487 Comment
  CHSC33893  Galium bolanderi M. S. Taylor 1981-5-21 3767 Butte S side of Concow Rd, ca. 0.5 mi S of its jct with Ponderosa Way, ca. 20 air mi N of Oroville. 853 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
  JEPS26676  Galium bolanderi P. C. Hutchison 1969-6-9 2099 Butte on hwy US Alt. 40 1 mi s (above) Pulga Bridge; canyon of the north fork of the Feather River Comment
  UC1143083  Galium bolanderi J. E. Sowder 1933-8-15 130 Butte 1 1/2 mi w mouth of Flea Valley Creek (on point of ridge); Bidwell Bar Quadrangle 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
  CHSC94572  Gayophytum diffusum subsp. parviflorum Lowell Ahart 2006-9-11 13334 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 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
  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
  CHSC40921  Gilia capitata subsp. pedemontana Lowell Ahart 1985-5-15 4989 Butte Ridge, east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 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
  CHSC34815  Githopsis diffusa subsp. robusta M. S. Taylor 1981-5-21 3768 Butte S side of Concow Rd, ca. 0.5 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 853 Comment
  CHSC62540  Githopsis specularioides B. Castro 1993-5-17 464 a Butte Near the S end of Rocky Ridge, ca 30 ft w of Rim Road. 877 Comment
  CHSC62541  Githopsis specularioides B. Castro 1993-6-3 464 b Butte Ca 2.5 mi NE of Concow Lake, ca 30 ft E of large bend in Concow Road, 883 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
  CHSC94623  Gnaphalium palustre Lowell Ahart 2006-9-11 13277 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108948  Gnaphalium palustre Lowell Ahart 2006-9-11 13277 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA724997  Gnaphalium palustre L. Ahart 2006-9-11 13277 Butte South edge of the North Fork of the Feather River, north side of highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 air miles northeast of Oroville. 432 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
  UC1562348  Grindelia hirsutula Vernon Oswald and Lowell Ahart 1990-7-31 4416 Butte Jeep trail between Concow Rd and Rim Rd ca 2 mi ne Concow 899 Comment
  CHSC34713  Grindelia hirsutula var. davyi M. S. Taylor 1981-7-10 4059 Butte North side of Feather River Hwy 70 at Pulga bridge, ca. 20 mi ne of Oroville. 487 Comment
  CHSC50793  Grindelia hirsutula var. davyi Vernon Oswald; Lowell Ahart 1990-7-31 4416 Butte Jeep Trail between Concow Rd and Rim Rd, ca. 2 mi northeast of Concow. 899 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
  NY43531  Grindelia hirsutula var. hirsutula S. Bianco 1995-9-23 1030 Butte Along dirt trail that extends from Ishi Trail in Concow 762 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
  CHSC37687  Hesperolinon micranthum M. S. Taylor 1981-5-21 3769 Butte S side of Concow Rd, 1/2 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 853 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
  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
  CDA25404  Heuchera micrantha G. D. Barbe, T. C. Fuller 1982-6-14 3683 Butte Highway 70 in Feather River Canyon, above Pulga, 1.6 miles below PG&E power plant. 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
  CHSC1634  Heuchera micrantha var. erubescens V. Holt 1935-5-5 Butte Feather River Canyon, near Pulga. 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-BC280712  Holcus lanatus John Thomas Howell; Gordon H. True 1967-6-11 42562 Butte On northwest side of Feather River Canyon near Pulga Bridge 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
  CHSC34248  Holodiscus discolor M. S. Taylor 1981-7-17 4069 Butte N side of Feather River Hwy 70 at Pulga bridge on large serpentine outcrop along Pulga Rd near bridge, ca. 20 mi ne of Oroville. 487 Comment
  CHSC92536  Holodiscus discolor L. P. Janeway; M. Brown, S. Mackey Hillaire, L. Hanson 2005-4-25 8370 Butte Northern High Sierra Nevada. Plumas National Forest; north end of Rocky Ridge, southwest side of Rim Road (Ponderosa Way) 1.4 road km southeast of junction with Concow Road. 1036 Comment
  JEPS108574  Holodiscus discolor L. P. Janeway, Matt Brown, S. Mackey Hillaire, L. Hanson 2005-4-25 8370 Butte Northern High Sierra Nevada. Plumas National Forest; north end of Rocky Ridge, southwest side of Rim Road (Ponderosa Way) 1.4 road km southeast of junction with Concow Road 1036 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
  CHSC40328  Horkelia tridentata Lowell Ahart 1985-5-15 5001 Butte East of a small dry stream, 1/8 mile east of the dirt road, 1 1/2 miles north-east of Concow Res. 731 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
  CHSC109563  Hypericum concinnum L. P. Janeway 2012-6-23 10885 Butte Northern High Sierra Nevada. Southwest spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23Np6E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  CHSC71390  Hypericum concinnum Vernon H. Oswald 1998-7-1 9244 Butte Ca. 1 air mi west of Pulga and 0.4 mi west of Rim road along a spur road intersecting Rim Road 4.1 mi north of Jarbo Gap. 853 Comment
  JEPS93795  Hypericum concinnum Vernon H. Oswald 1998-7-1 9244 Butte along spur road intersecting Rim Road 4.1 mi n of Jarbo Gap (1 air mi w of Pulga and 0.4 mi w of Rim Road) 853 Comment
  CHSC34694  Hypochaeris glabra M. S. Taylor 1981-4-28 3568 F Butte Along Four Trees Rd, ca. 1 mi e of Hwy 70, ca. 2 mi ne of Pulga. 670 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
  CHSC69474  Jensia rammii James D. Jokerst 1982-5-28 1584 Butte Concow Basin W of Concow Creek (and Concow Rd.) ca. 0.25 mi N of Concow Lake. 609 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
  CHSC56894  Juncus articulatus L. P. Janeway; C. A. Janeway 1986-10-12 1922 Butte North side North Fork Feather River at Pulga. Between river and railroad grade. 426 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
  CHSC94621  Juncus bufonius var. bufonius Lowell Ahart 2006-9-11 13300 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110161  Juncus bufonius var. bufonius Lowell Ahart 2006-9-11 13300 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 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
  CHSC94611  Juncus ensifolius Lowell Ahart 2006-9-13 13317 Butte South edge of the North Fork of the Feather River, about 100 yards west of Mill Creek, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110169  Juncus ensifolius Lowell Ahart 2006-9-13 13317 Butte South edge of the North Fork of the Feather River, about 100 yards west of Mill Creek, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  CHSC28654  Juncus exiguus J. D. Jokerst; M. S. Taylor 1979-10-13 392 Butte Adjacent to creek. Intersecton of Jordan Hill Rd. (Ponderosa Way) and Griffth Gulch. 701 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
  UC1035980  Keckiella breviflora Helen K. Sharsmith 1955-6-28 4526 Plumas near Pulga; East Branch of North Fork of Feather River 609 Comment
  RSA305774  Keckiella breviflora subsp. glabrisepala James R. Shevock 1972-5-19 1767 Butte Highway 70, north of Lake Oroville. 91 Comment
  CHSC44721  Keckiella breviflora var. glabrisepala R. Banchero 1980-6-5 196 Butte Along Hwy 70 at its jct with the Feather River at the Rivers edge, ca 4.3 mi N of the jct of Pinkston Canyon Rd and Hwy 70. 487 Comment
  NY786843  Keckiella breviflora var. glabrisepala L. S. Rose 1940-5-30 40425 Butte Feather River Canyon, 25 miles northeast of Oroville 609.6 Comment
  CHSC46107  Koeleria macrantha J. D. Jokerst; R. A. Schlising 1982-6-4 1587 Butte Ridge, ca 100 meters below the road on top of the ridge. 853 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
  CHSC4140  Kumlienia hystricula R. Carter 1966-4-28 379 Butte Found in Feather R. Canyon 11 mi. NW of Butte-Plumas Co. line along N side of Hwy 70. On cliff above road just S of water fountain. 701 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
  CHSC864  Lathyrus sulphureus P. Delaplane; Eb 1965-5-4 51 Butte South side of Concow road. South side of Lake Concow. 1219 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
  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
  CHSC36821  Leptosiphon bolanderi M. S. Taylor 1981-5-21 3777 Butte S side of Concow Rd, ca. 1/2 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 853 Comment
  CHSC40923  Leptosiphon bolanderi Lowell Ahart 1985-5-15 4984 Butte Ridge, east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 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
  CHSC69682  Leptosiphon bolanderi Vernon Oswald 1986-4-29 1990 Butte Rim Rd. (Ponderosa Way) 3.6 mi n of Jarbo Gap and Hwy 70. 853 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
  CAS-BOT-BC341783  Lessingia nemaclada Lowell Ahart 1983-6-30 4179 Butte About 1 1/2 miles north-east of Concow Res. 550 Comment
  CAS-BOT-BC341793  Lessingia nemaclada M. S. Taylor 1979-7-22 2170 Butte Pulga bridge, on n side of trail leading from ne side of Pulga bridge, over Hwy 70, ca. 27 mi n of Oroville 487 Comment
  CHSC110236  Lessingia nemaclada L. P. Janeway 2012-10-11 11072 Butte Northern High Sierra Nevada. Plumas National Forest; southwest-ern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines. 895 Comment
  CHSC25345  Lessingia nemaclada M. P. Hayes 1977-8-12 27 Butte At Pulga, Feather River Canyon. 100 m from the intersection of Pulga Road and Highway 70, along Pulga Road. 426 Comment
  CHSC30275  Lessingia nemaclada M. S. Taylor 1979-7-22 2170 Butte Pulga bridge, on n side of trail leading from ne side of Pulga bridge over Hwy 70, ca. 27 mi n of Oroville. 487 Comment
  CHSC34714  Lessingia nemaclada M. S. Taylor 1981-7-10 4062 Butte N side of Feather River Hwy 70 and Pulga bridge, ca. 20 mi ne of Oroville. 487 Comment
  CHSC39349  Lessingia nemaclada Lowell Ahart 1983-6-30 4179 Butte Along the dirt road, about 1 1/2 miles north-east of Concow Res. 550 Comment
  CHSC69448  Lessingia nemaclada Lowell Ahart 1997-9-6 7887 Butte Near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir. 731 Comment
  JEPS94621  Lessingia nemaclada Lowell Ahart 1997-9-6 7887 Butte near MacNab Cypress Grove (near the steel tower power line, along the sides of a logging road about 1/4 mi w of Rim Rd., about 2 air mi ne of Concow Reservoir) 731 Comment
  RSA0045592  Lessingia nemaclada L. P. Janeway 2012-10-11 11072 Butte Northern High Sierra Nevada. Plumas National Forest; southwestern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines. 895 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
  CHSC36360  Lewisia nevadensis J. D. Jokerst 1982-5-28 1585 Butte In meadow. Ca 1/4 mi. N. of Concow Lake. 609 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
  JEPS48319  Linanthus filipes Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2687 Butte w side Pulga Bridge; North Fork of Feather River 472 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
  CHSC94583  Lindernia dubia var. anagallidea Lowell Ahart 2006-9-11 13292 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  CHSC109570  Linum lewisii var. lewisii L. P. Janeway 2012-6-7 10867 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  CHSC40374  Linum lewisii var. lewisii Lowell Ahart 1985-5-15 4993 Butte On dry rocky red serpentine soil, east of a small stream, 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 Comment
  CHSC44285  Linum lewisii var. lewisii Vernon Oswald 1988-6-14 3383 Butte Rim Rd. or Ponderosa Way (23N06) 0.8 mi se of Concow Rd., ne of Lake Concow. Scattered on a brushy serpentine outcrop. 975 Comment
  CHSC52179  Linum lewisii var. lewisii L. P. Janeway 1989-5-13 3238 Butte Rocky Ridge; where powerlines cross Ponderosa Way (Rim Rd) ca 2 mi SE of Concow Rd. 960 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
  CHSC28632  Lithocarpus densiflorus M. S. Taylor 1979-3-31 1969 Butte Lickey Ranch, along Ishi Trail Rd, ca. 1/4 mi ne of Concow Rd and Lake Concow, ca. 25 mi ne of Oroville. 670 Comment
  NY43775  Lithocarpus densiflorus var. densiflorus S. Bianco 1995-11-3 1049 Butte 4236 Kakini Rd, E of Concow Rd off Yellowwood Rd (Private land holding) 762 Comment
  NY43799  Lithocarpus densiflorus var. densiflorus S. Bianco 1995-11-3 1049 Butte 4236 Kakini Rd, E of Concow Rd off Yellowwood Rd (Private land holding) 762 Comment
  CHSC25354  Lithophragma campanulatum Marc P. Hayes 1977-4-22 12 Butte Ca. .5 km sw of Heinz Creek, along small creek, ca. 200 m from its confluence and North Fork of Feather River. 450 Comment
  CHSC32735  Lithospermum californicum M. S. Taylor 1981-4-8 3511 Butte W side of Ponderosa Way (Rim Rd, rd to Flea Valley), along Rocky Ridge, ca. 5.5 mi n of its jct with Hwy 70 at Jarbo Gap, ca. 20 air mi n of Oroville. 883 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-BC269075  Lolium perenne John Thomas Howell; Gordon H. True 1967-6-11 42557 Butte On northwest side of Feather River Canyon near Pulga Bridge Comment
  CAS-BOT-BC271210  Lolium temulentum John Thomas Howell 1963-6-2 39383 Butte Along highway near Pulga, Sierra Nevada Comment
  CHSC32748  Lomatium macrocarpum M. S. Taylor 1981-4-14 3536 Butte Serpentine ridge between landing site and Ponderosa Way (Rim Rd, rd to Flea Valley), ca. 1/10 mi n of its jct with Concow Rd, ca. 2 mi n of Lake Concow, ca. 20 air mi n of Oroville. 1066 Comment
  CHSC42614  Lomatium macrocarpum Vernon Oswald 1985-5-2 1746 Butte Concow Rd. 0.1 mi s of its jct. with Ponderosa Way. 975 Comment
  CHSC42616  Lomatium macrocarpum Vernon Oswald 1985-4-3 1698 Butte Concow Rd. n of Lake Concow. 914 Comment
  CHSC31068  Lomatium marginatum M. S. Taylor 1980-3-8 2371 Butte On shady trail ca. 100ft sw of Pulga bridge over hwy 70 at Feather River, ca. 28 mi ne of Oroville. 487 Comment
  CHSC40436  Lomatium marginatum Lowell Ahart 1985-5-15 4990 Butte East of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 Comment
  CHSC102185  Lomatium marginatum var. marginatum George W. Hartwell 2009-3-19 Butte Concow Road, 3-4 miles above Concow Reservoir on a serpentine ridge and adjacent steep, rocky hillsides burned by summer wildfire in 2008. 861 Comment
  CHSC102186  Lomatium marginatum var. marginatum George W. Hartwell 2009-4-4 Butte Concow Road, 3-4 miles above Concow Reservoir on a serpentine ridge and adjacent steep, rocky hillsides burned by summer wildfire in 2008. 860 Comment
  CHSC109524  Lomatium marginatum var. marginatum L. P. Janeway 2012-6-23 10892 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  CHSC42624  Lomatium marginatum var. marginatum Vernon Oswald 1985-4-3 1695 Butte Concow Rd. n of Lake Concow. 792 Comment
  HSC72763  Lomatium marginatum var. marginatum M. S. Taylor 1981-4-8 3490 Butte Plumas NF; Between Ponderosa Way & Concow Road, ~.10 mi. S of their junction, 2 mi. N of Lake Concow. 976 Comment
  JEPS120528  Lomatium marginatum var. marginatum L. P. Janeway 2012-6-23 10892 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km sutheast of Rim Road / Ponderosa Way. Comment
  JEPS48315  Lomatium marginatum var. marginatum Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2695 Butte w side Pulga Bridge (North Fork of Feather River); North Fork of Feather River 472 Comment
  CHSC102191  Lomatium marginatum var. purpureum George W. Hartwell 2009-4-4 Butte Concow Road, 3-4 miles above Concow Reservoir on a serpentine ridge and adjacent steep, rocky hillsides burned by summer wildfire in 2008. 860 Comment
  CHSC25359  Lomatium utriculatum Marc P. Hayes 1977-4-22 7 Butte Ca. 0.8 km sw of Pulga, 120 m n of North Fork of Feather River, along Pulga Rd., ca. 80 m from juncture with Hwy 70. 495 Comment
  CHSC42632  Lomatium utriculatum Vernon Oswald 1986-4-29 1987 Butte Concow Rd. 1.1 mi sw of Ponderosa Way (Rim Rd.). 853 Comment
  CHSC67328  Lomatium utriculatum J. D. Jokerst; R. A. Schlising, L. Ahart 1982-5-19 2021 Butte Canyon of the N Fork of the Feather River at the junction of Hwy 70 and Pulga Road across from the bridge. Comment
  JEPS48084  Lomatium utriculatum P. C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2692 Butte at w. side Pulga Bridge (N. Fork Feather R.); , Pulga Bridge Comment
  UC1337980  Lomatium utriculatum Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2692 Butte N. Fork Feather R. at w. side Pulga Bridge; N. Fork Feather R. Comment
  CAS-BOT-BC240446  Lonicera hispidula C. R. Quick 1941-6-8 41 -05 Butte About 2 miles S. of Big Bar Mt. Comment
  CAS-BOT-BC240448  Lonicera hispidula Margaret J. Williams; Wayne Roderick 1984-5-25 84- 23 -1 Butte Feather River Canyon, Hwy 70, 1.5 mi W of Poe Power Dam 457 Comment
  CHSC2405  Lonicera hispidula R. Carter 1964-6-15 129 Butte Feather R. Canyon, 3/4 mi. E of Pulga turn-off where Bear Ranch Rd. leaves Hwy. 40A. 609 Comment
  CHSC48017  Lonicera hispidula Vernon Oswald; M. S. Taylor 1985-5-30 1790 Butte Four Trees Rd. 0.5 mi E of Hwy 70. 536 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
  UCD137320  Lonicera hispidula E. D. Phelps 1930-9-23 2150 Butte Pulga. Comment
  RSA339134  Lonicera hispidula var. vacillans Margaret J. Williams, W. Roderick 1984-5-25 84- 23 -1 Butte Feather River Canyon, Hwy 70, 1.5 miles W of Poe Power Dam. 457 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
  POM260437  Lotus argophyllus var. fremontii L. S. Rose 1940-5-30 40424 Butte Feather River Canyon, 25 mi. ne of Oroville. 610 Comment
  UC864769  Lotus argophyllus var. fremontii Lewis S. Rose 1940-5-30 40424 Butte 25 mi ne Oroville; Feather River Canyon 609 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
  UC864838  Lotus grandiflorus var. grandiflorus A. A. Heller 1938-5-28 15125 Butte 25 mi from Oroville (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
  RSA169437  Lotus humistratus L. S. Rose 1963-6-2 63076 Butte 2 mi south of Pulga, North Fork of Feather River. 579 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
  CHSC94571  Ludwigia palustris Lowell Ahart 2006-9-11 13333 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 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
  CHSC39210  Lunaria annua M. S. Taylor 1983-3-13 5243 Butte Community of Pulga, off n side of Hwy 70, ca. 20 mi ne of Oroville. 487 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
  CHSC35977  Lupinus albicaulis M. S. Taylor 1982-6-24 4747 Butte On serpentine on Rocky Ridge, both sides of Ponderosa Way (Rim Rd), 6.1 mi n of Jarbo Gap on Hwy 70. 822 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
  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
  CHSC48527  Lupinus bicolor var. tridentatus Vernon Oswald 1987-4-28 2349 Butte Rim Rd. (Ponderosa Way) 3.6 mi n of Hwy 70 at Jarbo Gap. 853 Comment
  HSC58937  Lupinus densiflorus var. lacteus G. L. Clifton 1975-5-29 4195 Butte Near Pulga, close to Belden 488 Comment
  CHSC50997  Lupinus lepidus var. confertus Lowell Ahart 1990-7-22 6576 Butte On the west side of Concow Road, Concow. 640 Comment
  UC1562278  Lupinus lepidus var. confertus Lowell Ahart 1990-7-22 6576 Butte on the w side of Concow Road Concow 640 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
  CHSC936  Lupinus stiversii E. Walker 1932-4-28 Butte Pulga on Feather River. 365 Comment
  CHSC33717  Luzula comosa var. subsessilis M. S. Taylor 1981-4-8 3513 Butte W side of Ponderosa Way, where powerlines cross the rd on Rocky Ridge, ca. 6 mi n of its jct with Hwy 70 at Jarbo Gap. 914 Comment
  CHSC28659  Luzula macrantha J. D. Jokerst 1979-3-31 196 Butte S. of little Chico Cr., at it's intersection with the W edge of section 12. Comment
  CHSC33800  Luzula macrantha M. S. Taylor; L. Hanson 1981-4-10 3521 Butte On e side of logging spur rd, ca. 0.5 mi n of its jct with Concow Rd, ca. 6 mi n of Jarbo Gap on Hwy 70. 731 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-BC342641  Madia citrigracilis Bruce G. Baldwin; Vern Oswald 1988-6-16 716 Butte Near Pulga, along Camp Creek Road 512 Comment
  CAS-BOT-BC342642  Madia citrigracilis Bruce G. Baldwin; Vern Oswald 1988-6-16 716 Butte Near Pulga, along Camp Creek Road 512 Comment
  CAS-BOT-BC342643  Madia citrigracilis Vern Oswald; Bruce Baldwin 1988-6-16 3388 Butte Camp Creek Rd. ca. 0.5 mi ene of Pulga 512 Comment
  CHSC44272  Madia citrigracilis Vernon Oswald; Bruce Baldwin 1988-6-16 3388 Butte Camp Creek Rd. ca. 0.5 mi ene of Pulga. 512 Comment
  JEPS98925  Madia citrigracilis Bruce G. Baldwin, Vern Oswald 1988-6-16 716 Butte along Camp Creek Road, near Pulga 512 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
  CHSC43198  Madia elegans Robert Banchero 1981-7-17 586 Butte Along Concow Rd n end of Concow Res. 621 Comment
  CAS-BOT-BC344312  Madia exigua Lewis S. Rose 1963-6-2 63069 Butte 2 mi south of Pulga, North Fork of Feather River 579 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
  CHSC109573  Madia exigua L. P. Janeway 2012-6-7 10861 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  CHSC40481  Madia exigua Lowell Ahart 1985-5-15 4986 Butte Ridge, east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 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
  JEPS120500  Madia exigua L. P. Janeway 2012-6-7 10861 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road / Ponderosa Way. Comment
  JEPS32701  Madia exigua Lewis S. Rose 1963-6-2 63069 Butte 2 mi s Pulga; North Fork of Feather River 579 Comment
  RSA169436  Madia exigua L. S. Rose 1963-6-2 63069 Butte 2 mi south of Pulga, North Fork of Feather River. 579 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
  CDA8274  Madia gracilis G. D. Barbe, T. C. Fuller 1982-6-14 3682 Butte Highway 70 in Feather River Canyon, above Pulga, 1.6 miles below PG&E power plant. 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
  CHSC109571  Malacothrix floccifera L. P. Janeway 2012-6-7 10859 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 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
  CHSC19932  Marrubium vulgare M. S. Taylor 1975-2-16 386 Butte Abundant ca. 2 mi s of Concow Reservoir on Jordan Hill Rd. 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
  CHSC34811  Medicago sativa M. S. Taylor 1981-5-11 3688 A Butte N side of Hwy 70, at jct with Pulga rd and Pulga bridge. 487 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
  CAS-BOT-BC269387  Melica californica John Thomas Howell; Gordon H. True 1967-6-11 42563 Butte On northwest side of Feather River Canyon near Pulga Bridge Comment
  CAS-BOT-BC269391  Melica californica M. S. Taylor 1982-5-21 4490 Butte On n side of Hwy 70 along Pulga Rd near Pulga bridge over Feather River; ca. 20 air mi ne of Oroville 487 Comment
  CHSC35966  Melica californica M. S. Taylor 1982-5-21 4490 Butte On n side of Hwy 70 along Pulga Rd near Pulga bridge over Feather River, ca. 20 air mi ne of Oroville. 487 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
  JEPS48096  Melica californica Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2691 Butte w side Pulga Bridge; North Fork of Feather River 487 Comment
  RSA712755  Melica californica L. P. Janeway 2005-5-29 8416 Butte Northern High Sierra Nevada. Top of Rocky Ridge towards its southern end; 2.9 km southwest of Pulga. 960 Comment
  UCR21798  Melica californica Paul Reisentz 1979-5-13 s.n. Butte 4 mi south of Cresta Power House on Hwy 70, 5 mi north of Jarbo Gap Gas Station on the Feather River. Comment
  UCSB34811  Melica californica Reisentz, Paul 1979-5-13 Butte 4 miles S. of Cresta Power House on Highway 70, 5 miles N. of Jarbo Gap Gas Station on the Feather River Comment
  CHSC92648  Melica californica var. californica L. P. Janeway 2005-5-29 8416 Butte Northern High Sierra Nevada. Top of Rocky Ridge towards its southern end; 2.9 km southwest of Pulga. 960 Comment
  CHSC101464  Melica geyeri L. P. Janeway; Sarah Starkey 2009-7-13 9855 Butte Northern High Sierra Nevada. Northwest side of Concow Road 2.8 air km northeast of upper end of Concow Reservoir, 1.5 road km northeast of Cirby Creek Road. 823 Comment
  CHSC36067  Melica geyeri J. D. Jokerst; R. A. Schlising 1982-6-4 1586 Butte N of Concow Basin. 853 Comment
  CHSC101462  Melica harfordii L. P. Janeway; Sarah Starkey 2009-7-13 9857 Butte Northern High Sierra Nevada. Northern end of Rocky Ridge, just northwest side of Rim Road (Ponderosa Way) 0.8 km southeast of Concow Road. 978 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
  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
  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
  CHSC94575  Melilotus albus Lowell Ahart 2006-9-13 13336 Butte South edge of the North Fork of the Feather River, about 100 yards west of Mill Creek, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108970  Melilotus albus Lowell Ahart 2006-9-13 13336 Butte South edge of the North Fork of the Feather River, about 100 yards west of Mill Creek, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA724876  Melilotus albus L. Ahart 2006-9-13 13336 Butte South edge of the North Fork of the Feather River, about 100 yards west of Mill Creek, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 432 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
  CHSC29816  Melissa officinalis M. S. Taylor; J. D. Jokerst 1979-10-13 2252 Butte By creek crossing Jordan Hill Rd (Ponderosa Way on some maps) ca. 0.8 mi n of its jct with Concow rd., ca. 5 mi e of Paradise. 426 Comment
  RSA75002  Mentha arvensis L. Ahart 2006-9-11 13285 Butte South edge of the North Fork of the Feather River, north side of Highway 760, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 432 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
  CHSC94612  Mentha canadensis Lowell Ahart 2006-9-11 13285 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110460  Mentha canadensis Lowell Ahart 2006-9-11 13285 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 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
  CHSC94587  Mentha spicata var. spicata Lowell Ahart 2006-9-13 13319 Butte South edge of the North Fork of the Feather River, about 100 yards west of Mill Creek, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 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
  CAS-BOT-BC348464  Micropus californicus var. californicus Lowell Ahart 1985-5-15 4994 Butte West of a small stream, 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 800 Comment
  CHSC33909  Micropus californicus var. californicus M. S. Taylor 1981-5-21 3775 Butte S side of Concow Rd, ca. 0.5 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 853 Comment
  CHSC40484  Micropus californicus var. californicus Lowell Ahart 1985-5-15 4994 Butte West of a small stream, 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 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
  CHSC50316  Microseris nutans Vernon Oswald 1990-5-17 4217 Butte Jeep Trail between Concow Rd and Rim Rd, ca. 3 mi northeast of Concow. 877 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
  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
  UC1035981  Mimulus aurantiacus var. grandiflorus Helen K. Sharsmith 1955-6-28 4525 Plumas near Pulga; East Branch of North Fork of Feather River 609 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
  HSC73003  Mimulus glaucescens M. S. Taylor 1981-7-10 4061 Butte N side of Feather River, Hwy. 70 at Pulga bridge, ca. 20 mi. NE of Oroville 488 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
  JEPS34388  Mimulus glaucescens Rimo Bacigalupi, and P. C. Hutchison, J. K. Wright 1963-6-1 8864 Butte 0.75 mi s Pulga (above side road off U.S. highway 40, just before bridge across Feather River, n base of grade over Jarbo Gap); Canyon of North Fork of Feather River 426 Comment
  JEPS50780  Mimulus glaucescens Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9282 Butte just above Pulga Bridge; North Fork Feather River Canyon Comment
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Mar 15 2006
  RSA0087956  Mimulus glaucescens Christopher T. Ivey 2013-5-9 380 Butte Pulga Road, near intersection with Hwy 70. 490 Comment
  RSA189359  Mimulus glaucescens L. S. Rose 1967-5-8 s.n. Butte 1 mile south of Pulga, North Fork, Feather River 427 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
  JEPS48318  Mimulus guttatus Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2686 Butte w side Pulga Bridge; North Fork of Feather River 472 Comment
  JEPS86890  Mimulus guttatus David M. Thompson 1988-6-8 938 Butte 0.1 mi nw Hwy 70 (along Pulga Road (Pulga Road leaves Hwy 70 at w side of Feather River bridge)) 500 Comment
  UCD122727  Mimulus kelloggii K. Lui 1998-5-24 29 Lassen Lassen National Forest, unpaved road 1.5 km south of Poe Dam where State Route 70 crosses North Fork Feather River. 463 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
  CHSC44793  Mimulus moschatus R. Banchero 1980-6-19 254 Butte Along Concow Rd 1.3 mi N of its jct with Hwy 70, 0.3 mi N of the town of Concow. 518 Comment
  CHSC94622  Mimulus moschatus Lowell Ahart 2006-9-11 13294 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS47715  Mimulus nanus var. mephiticus Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2699 Butte w side Pulga Bridge; North Fork of Feather River 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
  JEPS105012  Monardella odoratissima subsp. pallida Dean W. Taylor 1995-8-6 15386 Butte Rocky Ridge, north end; ca. 6 air mi E of Paradise, on the northern rim of the North Fork Feather River canyon; Lassen National Forest; Northern Sierra Nevada 975 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
  CHSC109560  Monardella sheltonii L. P. Janeway 2012-6-23 10888 Butte Northern High Sierra Nevada. Southwest spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23Np6E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 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
  CHSC67981  Monardella sheltonii James D. Jokerst 1989-7-3 3124 Butte Hwy. 70 and Pulga Rd. Comment
  CHSC93083  Monardella sheltonii L. P. Janeway 1994-6-23 4672 Butte Northern Sierra Nevada Foothills. Pinkston Canyon Road about 400 ft east of Concow Road. 563 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
  RSA232885  Monardella sheltonii L. S. Rose 1968-6-12 68114 Butte Feather River Canyon; Pulga. 488 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
  RSA796042  Monardella sheltonii L. P. Janeway 2012-6-23 10888 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Bachelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 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
  CHSC65567  Monardella villosa subsp. villosa R. Banchero 1980-6-5 193 Butte Ca 4.3 mi N of Pinkston Cyn/ Hwy 70 jcn, near bridge on Hwy 70 over Feather River, on road edge above river and near a seep. 426 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
  CHSC28633  Montia fontana subsp. chondrosperma M. S. Taylor 1979-3-31 1965 Butte In very wet ditch. Lickey Ranch, along Ishi Trail Rd, ca. 1/4 mi ne of Concow Rd and Lake Concow, ca. 25 mi ne of Oroville. 670 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
  CHSC34213  Montia parvifolia M. S. Taylor 1981-4-28 3568 A Butte Along Four Trees Rd in wet mossy areas near creeks, ca. 1/2 mi e of Hwy 70, ca. 2 mi ne of Pulga. 701 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
  CHSC94589  Muhlenbergia andina Lowell Ahart 2006-9-11 13306 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110303  Muhlenbergia andina Lowell Ahart 2006-9-11 13306 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA725280  Muhlenbergia andina L. Ahart 2006-9-11 13306 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 432 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
  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
  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
  SFV11585  Nemophila heterophylla M. L. Vincent 1964-4-8 504 Butte Sierra Nevada Highway 40, 1 mile northeast of new bridge. 450 Comment
  CHSC28653  Nemophila pedunculata M. S. Taylor 1979-3-31 1967 Butte Lickey Ranch, along Ishi Trail Rd, ca. 1/2 mi n of Concow Rd and Lake Concow. 670 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
  CHSC111242  Oemleria cerasiformis B. Castro; L. Janeway 2008-2-14 1686 San Benito Inner South Coast Range. Ca 7 air mi S of town of San Juan Bautista and 6.7 mi S of Hwy 156, in undesignated Section of Cienega del Gabilan Land Grant. 6.4 rd mi uphill (South) on San Juan Cyn Road from its jcn with Mission Vineyard Rd, and 0.45 mi up from upper end of Hillside Rd. 448 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
  CHSC115330  Orobanche fasciculata Lowell Ahart 2015-4-13 20034 Butte On the north side of Rim Road, about 2 1/2 miles (air) north of Jarbo Gap, about 17 miles (air) north of Oroville. 830 Comment
  CHSC1166  Orobanche fasciculata 1954-5-30 Butte Roadside near Rag Dump, between Flea Valley and Concow. 579 Comment
  CHSC95103  Orobanche fasciculata L. P. Janeway; Dan Lubin 2006-5-31 8650 Butte Northern High Sierra Nevada. Plumas National Forest; northwest side of Rim Road (Ponderosa Way) at southern end of Rocky ridge and southern end of its serpentine openings. Southeast-facing slope near ridge top. 847 Comment
  JEPS114177  Orobanche fasciculata L. P. Janeway 2006-5-31 8650 Butte Northern High Sierra Nevada. Plumas National Forest; northwest side of Rim road (Ponderosa Way) at southern end of Rocky Ridge and southern end of its serpentine openings. Comment
  JEPS124297  Orobanche fasciculata Lowell Ahart 2015-4-13 20034 Butte About 2 1/2 miles (air) north of Jarbo Gap, about 17 miles (air) north of Oroville. Comment
  UCD150723  Packera eurycephala Collector Unknown 1977-5-21 s.n. Butte California, Butte County. Near Pulga Canyon. Slopes of the Feather River. Elevation estimated by label-maker. 457 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-BC316889  Packera eurycephala var. lewisrosei Lewis Samuel Rose 1963-6-2 63067 Butte north fork of the Feather River, 2 mi south of Pulga 579 Comment
  CAS-BOT-BC316890  Packera eurycephala var. lewisrosei Lewis Samuel Rose 1954-5-31 54085 Butte Feather River Canyon, near Pulga 396 Comment
  CAS-BOT-BC316891  Packera eurycephala var. lewisrosei John Thomas Howell 1959-9-26 35092 Butte Pulga Bridge, north fork Feather River Comment
  CAS-BOT-BC316892  Packera eurycephala var. lewisrosei John Thomas Howell 1951-6-26 27523 Butte near Pulga 365 Comment
  CAS-BOT-BC316896  Packera eurycephala var. lewisrosei Lewis Samuel Rose 1954-5-31 54085 Butte Feather River Canyon, near Pulga 396 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
  CHSC101489  Packera eurycephala var. lewisrosei Samantha Mackey Hillaire 2008-6-12 1254 Butte Lassen National Forest, administered by Plumas National Forest. Powerline survey, on Rocky Ridge. East of intersection of Rim Road (23N06) and 23N06C. Approx. 1 airmile SSW of Pulga. Also T22N, R04E, S01. Area centered on roughly 631167.524638359, 4406717.59894074. 975 Comment
  CHSC109848  Packera eurycephala var. lewisrosei L. P. Janeway 2012-6-7 10864 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  CHSC33911  Packera eurycephala var. lewisrosei M. S. Taylor 1981-5-21 3766 Butte S side of Concow Rd, ca. 0.5 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 853 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
  JEPS104825  Packera eurycephala var. lewisrosei Dean W. Taylor 1995-8-6 15385 Butte N end Rocky Ridge, 6 air mi E of Paradise, northern rim of North Fork Feather River canyon; Lassen National Forest 975 Comment
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Jun 15 2007
  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
  JEPS109973  Packera eurycephala var. lewisrosei Dean W. Taylor 2004-6-17 19111 Butte Rocky Ridge, north side Feather River Canyon, Forest Road 23N06B under the electrical transmission line 899 Comment
  JEPS22828  Packera eurycephala var. lewisrosei A. A. Heller 1938-5-28 15115 Butte 23 mi from Oroville (on the Feather River Highway) Comment
  JEPS26675  Packera eurycephala var. lewisrosei P. C. Hutchison 1961-6-9 2097 Butte 1.0 mi s (above) Pulga Bridge (on highway U.S. Alt. 40, canyon of the North Fork of the Feather River); North Fork of the Feather River Comment
  JEPS32708  Packera eurycephala var. lewisrosei Lewis S. Rose 1963-6-2 63067 Butte 2 mi s Pulga; North Fork of Feather River 579 Comment
  JEPS34386  Packera eurycephala var. lewisrosei Rimo Bacigalupi, and P. C. Hutchison, J. K. Wright 1963-6-1 8862 Butte 0.75 mi s Pulga (above side road off U.S. Hwy 40, in canyon of the N Fk Feather River, at n base of grade over Jarbo Gap, and just before bridge across Feather River); North Fork of Feather River, Jarbo Gap 426 Comment
  OBI15488  Packera eurycephala var. lewisrosei Lewis S. Rose 1967-6-11 67103 Butte 3 mi S of Pulga, Feather River Canyon 610 Comment
  RSA739733  Packera eurycephala var. lewisrosei L. P. Janeway, B. Castro 2007-5-6 8973 Butte Northern High Sierra Nevada, Ridge top along a side road N off the road from Sawmill Peak to Flea Valley, 1.8 air km NE of Sawmill Peak. 969 Comment
  UC1042339  Packera eurycephala var. lewisrosei Lewis S. Rose 1954-5-31 54085 Butte near Pulga; Feather River Canyon 396 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
  CHSC94765  Panicum acuminatum var. acuminatum Lowell Ahart 2006-9-11 13307 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  RSA724880  Panicum acuminatum var. acuminatum L. Ahart 2006-9-11 13307 Butte South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville. 432 Comment
  UC1026483  Panicum acuminatum var. acuminatum John Thomas Howell 1951-8-19 28157 Butte 2 mi w Pulga; Sierra Nevada, w of Pulga 365 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
  CDA2268  Panicum dichotomiflorum L. Ahart 2006-9-11 13308 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. Comment
  RSA724812  Panicum dichotomiflorum L. Ahart 2006-9-11 13308 Butte South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville. 432 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
  CHSC94761  Panicum dichotomiflorum subsp. dichotomiflorum Lowell Ahart 2006-9-11 13308 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110305  Panicum dichotomiflorum subsp. dichotomiflorum Lowell Ahart 2006-9-11 13308 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 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
  CHSC45734  Pedicularis densiflora J. Marr 1988-3-31 17 Butte 1 mi n of Concow Rd, 6 mi w of Hwy 70, 18 mi n of Oroville. 609 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
  CHSC28629  Pellaea mucronata M. S. Taylor 1979-3-19 1935 Butte Ca. 1 1/2 mi e of Pulga bridge on Hwy 70 over Feather River, ca. 25 mi n of Oroville. 487 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
  CHSC40885  Penstemon azureus Lowell Ahart 1985-5-15 4988 Butte East of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 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
  CHSC44733  Penstemon azureus R. Banchero 1980-6-5 190 Butte Along Hwy 70 near bridge over the Feather River, ca 4.3 mi N of the jct of Pinkston Canyon Rd and Hwy 70. 487 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
  CHSC9726  Penstemon azureus Nancy Mosman 1971-7-11 95 Butte Along w side of Hwy 70 ca. 21.7 mi s of Belden. 701 Comment
  JEPS34384  Penstemon azureus Rimo Bacigalupi, and P. C. Hutchison, J. K. Wright 1963-6-1 8860 Butte 0.75 mi s Pulga (above side road off U.S. highway 40 in canyon of the N Fk Feather River, just before bridge across Feather River, northern base grade over Jarbo Gap); canyon of N Fk of Feather River, grade Jarbo Gap 426 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
  CHSC109846  Penstemon azureus var. azureus L. P. Janeway 2012-6-7 10868 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  CHSC35217  Penstemon azureus var. azureus M. S. Taylor 1981-5-21 3774 Butte S side of Concow Rd, ca. 1/2 mi s of its jct with Ponderosa Way, in upper Concow Basin, ca. 20 mi n of Oroville. 853 Comment
  CHSC35218  Penstemon azureus var. azureus M. S. Taylor 1981-5-11 3688 Butte N side of Hwy 70, at jct with Pulga Rd and Pulga Bridge over Feather River. 487 Comment
  CHSC92734  Penstemon azureus var. azureus L. P. Janeway 2005-6-26 8429 Butte Northern High Sierra Nevada. South-facing slope 0.4 km south of top of Batchelor Point, 0.6 km east of top of Rocky Ridge and Rim Road (Ponderosa Way). 945 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
  RSA712797  Penstemon azureus var. azureus L. P. Janeway 2005-6-26 8429 Butte Northern High Sierra Nevada, S facing slope 0.4km S of top of Batchelor Point, 0.6 km E of top of Rocky Ridge and Rim road (Ponderosa Way). 945 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
  UC885814  Penstemon azureus var. azureus A. A. Heller 1938-5-28 15117 Butte 25 mi from Oroville (on the Feather River Highway); Feather River Highway, 25 mi from Oroville 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
  JEPS48314  Penstemon heterophyllus var. heterophyllus Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 Butte Pulga Bridge, west side North Fork Feather River North Fork of Feather River, Pulga Bridge 472 Comment
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Nov 20 2007
  CHSC44702  Penstemon laetus var. leptosepalus R. Banchero 1980-6-19 257 Butte Along Concow Rd 4.95 mi N of its jct with Deadwood Rd, 5.8 mi N of the town of Concow. 646 Comment
  CHSC44708  Penstemon laetus var. leptosepalus R. Banchero 1980-6-19 255 Butte Along Concow Rd 1.7 mi N of its jct with Hwy 70, 0.7 mi N of the town of Concow. 524 Comment
  CHSC44711  Penstemon laetus var. leptosepalus R. Banchero 1980-5-23 165 Butte Jct of Pinkston Canyon Canyon and Hwy 70. 633 Comment
  JEPS6628  Penstemon laetus var. leptosepalus A. A. Heller 1938-5-28 15123 Butte along the Feather River Highway 25 mi from Oroville; along the Feather River Highway 25 mi from Oroville 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
  UC726288  Penstemon laetus var. leptosepalus A. A. Heller 1938-5-28 15123 Butte 25 mi from Oroville; embankment on Feather Highway 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
  CAS-BOT-BC239449  Penstemon rydbergii var. oreocharis Lyman Benson 1932-7-28 3965 Butte First summit, Oroville-Quincy, Sierra Nevada Mt. Range, Feather River 1828 Comment
  CHSC29011  Pentagramma triangularis M. S. Taylor 1980-3-8 2369 Butte Ca. 100 ft sw of Pulga bridge over Hwy 70, ca. 28 mi ne of Oroville. 487 Comment
  CHSC32623  Pentagramma triangularis M. S. Taylor 1981-3-31 3464 Butte S side of Concow Rd, ca. 1/2 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 853 Comment
  CHSC32691  Pentagramma triangularis M. S. Taylor 1981-3-18 3416 B Butte S side of Hwy 70 near Pulga bridge. 487 Comment
  CHSC32728  Pentagramma triangularis M. S. Taylor 1981-4-8 3507 Butte N side of logging landing site just w of Power lines, ca. 0.5 mi w of its jct with Ponderosa Way (Rim Rdm rd to Flea Valley), ca. 5 mi n of its jct with Hwy 70 at Jarbo Gap. 883 Comment
  CHSC29006  Pentagramma triangularis subsp. semipallida M. S. Taylor 1980-3-8 2374 Butte In Pulga, ca. 28 mi ne of Oroville. 487 Comment
  CHSC34243  Pentagramma triangularis subsp. semipallida M. S. Taylor 1981-4-28 3568 B Butte Along Four Trees Rd, ca. 1/2 mi e of Hwy 70, ca. 2 mi ne of Pulga. 701 Comment
  UC1549532  Pentagramma triangularis subsp. semipallida M. S. Taylor 1981-4-28 3568 B Butte ca. 2-3 mi ne of Pulga (along Four Trees Rd, ca. 0.5 to 1 mi e of Hwy 70); Pulga SW Quadrangle 670 Comment
  CAS-BOT-BC77080  Pentagramma triangularis subsp. triangularis John Thomas Howell 1959-9-26 35091 Butte Sierra Nevada - Pulga Bridge, N. Fk. Feather River 411 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
  CHSC94597  Persicaria lapathifolia Lowell Ahart 2006-9-11 13289 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  CHSC94565  Persicaria maculosa Lowell Ahart 2006-9-11 13290 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 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
  CHSC94595  Persicaria punctata Lowell Ahart 2006-9-11 13291 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  CHSC101117  Petrorhagia dubia Zachary Garcia 2008-4-8 Butte Dark Canyon Rd. 591 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
  CHSC33711  Phacelia corymbosa J. D. Jokerst 1981-5-21 1327 Butte Pulga Rd., ca 1/10 mi NE of its junction with Hwy 70. 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
  JEPS26746  Phacelia corymbosa P. C. Hutchison 1961-6-9 2102 Butte at Pulga Bridge canyon of the north fork of the Feather River (on hwy US Alt. 40 and side road to Pulga) 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
  UC1047022  Phacelia corymbosa L. R. Heckard and J. R. Sweeney 1953-4-27 347 Butte along Feather River Hwy 2.5 mi below (sw) Pulga 487 Comment
  UC726915  Phacelia corymbosa A. A. Heller 1938-5-28 15118 Butte on Feather River Hwy 23 mi Oroville Comment
  CHSC69213  Phacelia egena J. D. Jokerst 1984-5-19 2022 Butte Along edge of road cut for Pulga Road within 100 feet of its junction with Highway 70 in the canyon of the North Fork of the Feather River. Comment
  SD72108  Phacelia egena Lewis S. Rose 1940-5-30 Butte Feather River Canyon, 25 miles northeast of Oroville. 609 Comment
  CHSC33708  Phacelia heterophylla subsp. virgata J. D. Jokerst 1981-5-21 1332 Butte Open area adjacent to road. Ca 1.0 mile NE of Pulga on Pulga Rd. 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
  UC726923  Phacelia heterophylla subsp. virgata A. A. Heller 1938-5-28 15124 Butte along Feather River Hwy 25 mi 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
  CAS-BOT-BC77377  Philadelphus lewisii Lewis S. Rose 1940-5-30 40423 Butte Feather River Canyon, 25 mi. ne. of Oroville 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
  CDA25503  Philadelphus lewisii subsp. californicus G. D. Barbe, T. C. Fuller 1982-6-14 3681 Butte Highway 70 in Feather River Canyon, above Pulga, 1.6 miles below PG&E power plant. 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
  OBI48878  Philadelphus lewisii subsp. californicus Lewis S. Rose 1940-5-30 40423 Butte Feather River Cyn, 25 mi NE of Oroville 610 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
  CAS-BOT-BC250863  Phleum pratense John Thomas Howell 1973-7-9 49694 Butte NE of Pulga Bridge, Feather River highway 417 Comment
  CHSC1305  Phlox speciosa subsp. occidentalis T. Morgue 1932-4-18 Butte Concow Reservoir. 579 Comment
  CHSC1307  Phlox speciosa subsp. occidentalis P. Delaplane 1965-5-4 56 Butte Found on so. side of Concow Rd. South side of Lake Concow. 914 Comment
  CHSC34716  Phlox speciosa subsp. occidentalis M. S. Taylor 1981-5-21 3779 Butte E side of Concow Rd, ca. 0.3 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 975 Comment
  CAS-BOT-BC135100  Phoradendron juniperinum M. S. Taylor 1981-4-8 3509 Butte N side of spur rd, ca. 1/3 mi W of its jct with Ponderosa way, ca. 5 mi N of its jct with Hwy 70 at Jarbo Gap, ca. 20 air mi N of Oroville Comment
  CHSC33801  Phoradendron libocedri M. S. Taylor 1981-4-8 3509 Butte On serpentine, N side of spur rd, ca. 1/3 mi w of its jct with Ponderosa Way, ca. 5 mi n of its jct with Hwy 70 at Jarbo Gap, ca. 20 air mi n of Oroville. 883 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
  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
  CHSC48856  Physocarpus capitatus Vernon Oswald; M. S. Taylor 1985-5-30 1789 Butte Four Trees Rd. 0.5 mi e of Hwy 70. Along the road. 536 Comment
  NY43557  Physocarpus capitatus S. Bianco 1995-10-28 1043 Butte Near Crain Park, along E margin of Concow Lake 610 Comment
  CHSC109842  Pinus jeffreyi L. P. Janeway 2012-6-23 10893 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 Comment
  CHSC110234  Pinus jeffreyi L. P. Janeway 2012-10-11 11074 Butte Northern High Sierra Nevada. Plumas National Forest; southwest-ern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines. 895 Comment
  CHSC4460  Pinus ponderosa C. Glascock 1965-2-6 220 Butte Ca. 15 yds uphill from road. From Hwy. 70 turnoff on road 24N23 and turn E at its dead end-total dist. From Hwy=1.1 mi. Comment
  CHSC109525  Pinus ponderosa var. pacifica L. P. Janeway 2012-6-23 10893 Butte Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. 895 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
  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
  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
  CHSC33897  Plantago erecta M. S. Taylor 1981-4-21 3549 Butte S side of Concow Rd, on ridge, ca. 0.5 mi s of its jct with Ponderosa Way (Rim Rd), ca 2 mi n of Lake Concow, ca. 20 air mi n of Oroville. 853 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
  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
  CHSC37277  Poa bulbosa M. S. Taylor 1982-5-2 4386 Butte N side of Hwy 70 at Pulga bridge, ca. 20 mi ne of Oroville. 487 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
  RSA300149  Poa secunda J. T. Howell, Gordon H. True 1967-5-9 42233 Butte Southeast side of North Fork of Feather River at Pulga Bridge 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
  CAS-BOT-BC236374  Poa secunda subsp. secunda John Thomas Howell; Gordon H. True 1967-5-9 42233 Butte SE side of N Fork of Feather River at Pulga Bridge Comment
  CHSC40460  Poa secunda subsp. secunda Lowell Ahart 1985-5-15 4996 Butte On the sides of a dry stream, 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 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
  UCD91854  Poa secunda subsp. secunda Robert E. Preston 1982-3-25 203 Butte Ca. 1/4 mile E of Pulga. 487 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
  CHSC110252  Polygonum aviculare subsp. depressum L. P. Janeway 2012-10-11 11075 Butte Northern High Sierra Nevada. Plumas National Forest; southwest-ern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines. 895 Comment
  JEPS108947  Polygonum lapathifolium Lowell Ahart 2006-9-11 13289 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA724998  Polygonum lapathifolium L. Ahart 2006-9-11 13289 Butte South edge of the North Fork of the Feather River, north side of highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 air miles northeast of Oroville. 432 Comment
  JEPS108976  Polygonum persicaria Lowell Ahart 2006-9-11 13290 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA724878  Polygonum persicaria L. Ahart 2006-9-11 13290 Butte South edge of the North Fork of the Feather River, north side of highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 air miles northeast of Oroville. 432 Comment
  JEPS108958  Polygonum punctatum Lowell Ahart 2006-9-11 13291 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  CAS-BOT-BC72032  Polypodium calirhiza A. A. Heller 1919-3-29 13090 Butte Feather River near Yankee Hill 533 Comment
  CHSC28628  Polypodium calirhiza M. S. Taylor 1979-3-19 1930 Butte In vicinity of Pulga bridge over Feather River on Hwy 70, ca. 25 mi n of Oroville. 487 Comment
  CHSC31229  Polypodium calirhiza M. S. Taylor 1980-3-8 2373 Butte Pulga community, ca. 1 mi ne of Hwy 70, ca. 28 mi ne of Oroville. 487 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
  CHSC4720  Polypodium calirhiza R. Carter 1966-4-28 377 Butte Found in Feather R. Canyon ca. 7 mi. N of Jarbo Gap at intersection of Hwy. 70 and 23N28; ca. 100 yds up 23N28 on W side of road. 640 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
  CAS-BOT-BC233061  Polypogon interruptus John Thomas Howell 1951-8-19 s.n. Butte Near Pulga 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
  UCD91457  Polypogon viridis August L. Hormay 1928-11-30 s.n. Plumas North East of the Feather River. Near Pulga. Comment
  CHSC32686  Polystichum imbricans M. S. Taylor 1981-3-18 3420 Butte N side of Pulga Rd, ca. 1/4 mi e of its jct with Pulga bridge over Hwy 70. 487 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
  CHSC34676  Polystichum imbricans M. S. Taylor 1980-3-8 2368 Butte Pulga community, ca. 1 mi ne of Hwy 70, ca. 28 mi ne of Oroville. 487 Comment
  CHSC4147  Polystichum imbricans R. Carter 1966-4-28 374 Butte Found in Feather R. Canyon ca. 7 mi. N of Jarbo Gap at intersection of Hwy. 70 and 23N28; ca. 100 yds. Up 23N28 on E side of road. 640 Comment
  CHSC4148  Polystichum imbricans R. Carter 1966-4-28 374 Butte Found in Feather R. Canyon ca. 7 mi. N of Jarbo Gap at intersection of Hwy. 70 and 23N28; ca. 100 yds. Up 23N28 on E side of road. 640 Comment
  CAS-BOT-BC72296  Polystichum imbricans subsp. imbricans John Thomas Howell; Gordon H. True 1967-6-11 42566 Butte on northwest side of Feather River Canyon near Pulga Bridge 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
  CHSC25362  Potentilla glandulosa Marc P. Hayes 1977-4-22 4 Butte Ca. .8 km sw of Pulga, 120 m n of North Fork of Feather River, along Pulga Rd., ca. 100 m from juncture with Hwy 70. 495 Comment
  CHSC40329  Potentilla glandulosa Lowell Ahart 1985-5-15 4995 Butte On the sides of a stream, 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 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
  CHSC52220  Prunella vulgaris var. lanceolata L. P. Janeway 1987-5-28 2118 Butte At creeklet crossing Four Trees Rd 0.2 mi up from hwy 70. 487 Comment
  CHSC92554  Prunus avium L. P. Janeway; C. Christofferson, M. Brown, S. Mackey Hillaire 2005-4-19 8363 Butte Northern High Sierra Nevada. Plumas National Forest; in small upper drainage of Flea Valley Creek, about 560 m east-northeast of junction of Concow Road and Rim Road (Ponderosa Way). 841 Comment
  JEPS108578  Prunus avium L. P. Janeway, C. Christofferson, M. Brown, S. Mackey Hillaire 2005-4-19 8363 Butte Northern High Sierra Nevada. Plumas National Forest; in small upper drainage of Flea Valley Creek, about 560 m east-northeast of junction of Concow Road and Rim Road (Ponderosa Way) 841 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
  CHSC93520  Prunus subcordata L. P. Janeway; Dan Lubin 2006-5-9 8581 Butte Northern High Sierra Nevada. Head of small side drainage into Concow Creek; between Concow Creek and Cirby Creek, 2.6 km north of the upper end of Concow Reservoir. In west-facing dry bowl. 750 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
  CHSC61295  Pseudognaphalium californicum Lowell Ahart 1993-7-31 7147 Butte Along the west edge of Concow Road, just south of Lake Concow. 640 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
  CHSC94620  Pseudognaphalium luteoalbum Lowell Ahart 2006-9-11 13276 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 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
  CHSC32645  Quercus chrysolepis M. S. Taylor 1981-3-18 3421 Butte In shady ravine, n side of Pulga Rd, ca. 1/2 mi e of its jct with Hwy 70 at Pulga Bridge. 487 Comment
  GH344250  Quercus chrysolepis G. W. Turesson & C. G. Alm 1938-7-30 649 Unknown at State Highway No. 24, 20 miles north of Oroville 647 Comment
  CHSC34807  Quercus kelloggii M. S. Taylor 1981-5-21 3763 Butte S side of Lake Concow, ca. 5 mi e of Paradise. 640 Comment
  RSA325123  Quercus kelloggii M. S. Taylor 1981-5-21 3763 Butte S side of Lake Concow, ca. 5 mi E of Paradise. 640 Comment
  CHSC52794  Ranunculus occidentalis M. S. Taylor 1979-3-31 1963 Butte Lickey Property, along Ishi Trail Rd, ca. 1/2 mi ne of Concow Rd, and Lake Concow, ca. 25 mi n of Oroville. 670 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
  CHSC46851  Ranunculus uncinatus var. parviflorus Kirsten Tarp 1982-7-28 233 Butte Near Pulga. 731 Comment
  CHSC52695  Ranunculus uncinatus var. parviflorus Kirsten Tarp 1982-7-28 233 Butte Near Pulga. 731 Comment
  CAS-BOT-BC59890  Rhamnus ilicifolia John Thomas Howell 1961-9-22 36783 Butte Pulga Bridge, Feather River Highway. Comment
  CHSC30898  Rhamnus ilicifolia M. S. Taylor 1979-3-19 1931 Butte In vicinity of Pulga Bridge over Feather River on Hwy 70, ca. 25 mi ne of Oroville. 487 Comment
  RSA712802  Rhamnus rubra L. P. Janeway 2005-6-26 8434 Butte South-facing slope 0.4 km. south of top of Batchelor Point, 0.6 km. east of top of Rocky Ridge and Rim Road (Ponderosa Way). 945 Comment
  CHSC33718  Rhamnus tomentella subsp. tomentella M. S. Taylor 1981-4-8 3505 Butte Serpentine ridge on n side of logging landing site just w of power lines, off logging road ca. 0.5 mi w of its jct with Ponderosa Way, ca. 5 mi n of its jct with Hwy 70 at Jarbo Gap. 883 Comment
  CHSC33791  Rhamnus tomentella subsp. tomentella M. S. Taylor 1981-7-10 4066 Butte North side of Feather River Hwy 70 at Pulga Bridge, on large serpentine outcrop, ca. 20 mi ne of Oroville. 487 Comment
  CHSC33942  Rhamnus tomentella subsp. tomentella M. S. Taylor 1981-6-19 3963 Butte N side of Feather River Hwy 70, at nw end of Pulga bridge and along Pulga Rd, on serpentine, ca. 1/4 mi ca. 20 mi ne of Oroville. 487 Comment
  CHSC37651  Rhamnus tomentella subsp. tomentella T. B. Devine 1981-8-25 753 Butte Hwy 70, ca. 1/2 mi SE of Pulga Bridge. 487 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
  CHSC92743  Rhamnus tomentella subsp. tomentella L. P. Janeway 2005-6-26 8433 Butte Northern High Sierra Nevada. South-facing slope 0.4 km south of top of Batchelor Point, 0.6 km east of top of Rocky Ridge and Rim Road (Ponderosa Way). 945 Comment
  CHSC92746  Rhamnus tomentella subsp. tomentella L. P. Janeway 2005-6-26 8434 Butte Northern High Sierra Nevada. South-facing slope 0.4 km south of top of Batchelor Point, 0.6 km east of top of Rocky Ridge and Rim Road (Ponderosa Way). 945 Comment
  CHSC93882  Rhamnus tomentella subsp. tomentella L. P. Janeway 2006-5-28 8640 Butte Northern High Sierra Nevada. Open serpentine bowl on west side of Concow Road about 3.2 mi northeast of the upper end of Concow Reservoir. 860 Comment
  JEPS48071  Rhamnus tomentella subsp. tomentella Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2689 Butte w side Pulga Bridge (at Pulga Bridge); North Fork of Feather River Comment
  RSA712801  Rhamnus tomentella subsp. tomentella L. P. Janeway 2005-6-26 8433 Butte Northern High Sierra Nevada, S facing slope 0.4km S of top of Batchelor Point, 0.6 km E of top of Rocky Ridge and Rim road (Ponderosa Way). 945 Comment
  RSA712976  Rhamnus tomentella subsp. tomentella L. P. Janeway 2006-5-28 8640 Butte Northern High Sierra Nva, open serpentine bowl on W side of Concow road 3.2 miles NE of the upper end of Concow Reservoir. 860 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
  CHSC21020  Ribes nevadense M. S. Taylor 1975-4-29 548 Butte Abundant on s side of Hwy 70, ca. 25 mi ne of Oroville. Comment
  CHSC32683  Ribes nevadense M. S. Taylor 1981-3-24 3446 Butte S side of Hwy 70 in immediate vicinity of Poe Dam ca. 1 mi n of Pulga. 487 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
  CHSC44938  Ribes nevadense J. Marr 1988-3-19 11 Butte S side of Concow Rd. 4 mi w from Hwy 70, 18 mi n of Oroville. 633 Comment
  CAS-BOT-BC198968  Ribes roezlii var. roezlii John Thomas Howell; Gordon H. True 1967-5-9 42238 Butte On northwest side of Feather River Canyon near Pulga Bridge - Sierra Nevada Comment
  CAS-BOT-BC353730  Rigiopappus leptocladus M. S. Taylor 1981-5-21 3770 Butte S side of Concow Rd, ca. 0.5 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville 853 Comment
  CHSC33908  Rigiopappus leptocladus M. S. Taylor 1981-5-21 3770 Butte S side of Concow Rd, ca. 0.5 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 853 Comment
  HSC73109  Rigiopappus leptocladus M. S. Taylor 1981-5-21 3770 Butte S side of Concow Rd., ca. 0.5 mi. S of its junction with Ponderosa Way, ca. 20 air mi. N of Oroville 854 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
  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
  CHSC94560  Rorippa curvisiliqua var. orientalis Lowell Ahart 2006-9-11 13279 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108949  Rorippa curvisiliqua var. orientalis Lowell Ahart 2006-9-11 13279 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 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
  CHSC52468  Rubus armeniacus L. P. Janeway 1987-5-28 2119 Butte Creeklet crossing Four Trees Rd 0.2 mi up from Hwy. 70. At edge of rd. 487 Comment
  CHSC52469  Rubus armeniacus L. P. Janeway 1987-5-20 2073 Butte Along hwy 70 1.7 mi NE of Pulga bridge; at Poe Dam, N Fk Feather R. 472 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
  NY43611  Rubus laciniatus S. Bianco 1995-10-18 1039 Butte 4236 Kakini Rd, E of Concow Rd, off Yellowwood Rd (Private land holding) 762 Comment
  NY43800  Rubus laciniatus S. Bianco 1995-10-18 1039 Butte 4236 Kakini Rd, E of Concow Rd, off Yellowwood Rd (Private land holding) 762 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
  CAS-BOT-BC103044  Salix bonplandiana John Thomas Howell; Gordon H. True 1967-5-9 42241 Butte canyonside on northwest side of Feather River Canyon near Pulga Bridge Comment
  CAS-BOT-BC129904  Salix bonplandiana John Thomas Howell; Gordon H. True 1967-5-9 42242 Butte Northwest side of Feather River Canyon near Pulga Bridge Comment
  CAS-BOT-BC129905  Salix bonplandiana John Thomas Howell; Gordon H. True; Lewis S. Rose 1968-6-12 4294 Butte Feather River Canyon near Pulga Bridge 609 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-BC107834  Salix gooddingii Gordon H. True; J. T. Howell; Lewis S. Rose 1968-6-12 4293 Butte Feather River Canyon near Pulga Bridge 609 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-BC106982  Salix lasiolepis M. S. Taylor 1979-3-19 1934 Butte 1.5 mi e of Pulga bridge over Feather River, along Hwy 70, near Bear Ranch Creek, ca. 25 air mi n of Oroville 487 Comment
  CAS-BOT-BC106983  Salix lasiolepis John Thomas Howell; Gordon H. True 1969-4-8 45486 Butte Near Pulga Bridge west of Pulga 411 Comment
  GH383400  Salix lasiolepis J. T. Howell & G. H. True 1969-4-8 45486 Unknown Near Pulga Bridge west of Pulga 411 Comment
  CAS-BOT-BC129576  Salix lasiolepis var. lasiolepis John Thomas Howell; Gordon H. True 1969-4-8 45487 Butte Near Pulga Bridge west of Pulga - Sierra Nevada 411 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-BC129625  Salix lasiolepis var. lasiolepis John Thomas Howell; Gordon H. True 1967-5-9 42239 Butte Serpentine canyonside on northwest side of Feather River Canyon near Pulga Bridge - Sierra Nevada Comment
  RSA503334  Salix lasiolepis var. lasiolepis J. T. Howell, Gordon H. True 1967-5-9 42239 Butte NW side of Feather River Canyon near Pulga Bridge. Comment
  CAS-BOT-BC124578  Salix lemmonii John Thomas Howell; Gordon H. True 1967-5-9 42240 Butte on northwest side of Feather River Canyon near Pulga Bridge Comment
  SD130407  Salix lemmonii John Thomas Howell 1967-5-9 42240 Butte Canyonside on northwest side of Feather River near Pulga Bridge 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
  NY43554  Sanguisorba minor subsp. muricata S. Bianco 1995-8-26 1022 Butte SE of Concow Rd & Hoffman Rd intersection, along dirt road (Private land holding) 760 Comment
  JEPS48316  Sanicula bipinnatifida Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2694 Butte Pulga Bridge North Fork of Feather River (w side) 472 Comment
  CHSC1981  Sanicula bipinnatifida var. flava P. Delaplane 1965-5-4 59 Butte At E end of Lake Concow on Concow Road. 1219 Comment
  CHSC32622  Sanicula tuberosa M. S. Taylor; L. Hanson 1981-3-31 3455 Butte Serpentine ridge, n side of spur rd 1/4 mi w of its jct w Ponderosa Way (Rim Rd, rd to Flea Valley), ca. 3 mi n of its jct with Hwy 70 at Jarbo Gap, ca. 20 air mi n of Oroville. 792 Comment
  CHSC32624  Sanicula tuberosa M. S. Taylor 1981-3-31 3463 Butte S side of Concow Rd, ca. 1/2 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 853 Comment
  CHSC42672  Sanicula tuberosa Vernon Oswald 1985-4-3 1696 Butte Concow Rd. n of Lake Concow. 792 Comment
  CHSC67150  Sanicula tuberosa James D. Jokerst; L. Ahart 1985-3-24 2179 Butte Rocky Ridge' ca. 1.33 mi NE of edge of Lake Concow on road to Flea Mtn. Comment
  UC1532341  Sanicula tuberosa Vernon Oswald 1986-6-29 1988 Butte Rim Rd (Ponderosa Way) 3 mi N of Jarbo Gap on Hwy 70 868 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
  CHSC94574  Saponaria officinalis Lowell Ahart 2006-9-11 13337 Butte South side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS108971  Saponaria officinalis Lowell Ahart 2006-9-11 13337 Butte South side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 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
  NY43590  Scirpus acutus S. Bianco 1995-10-28 1047 Butte Near Crain Park, along E margin of Concow Lake 610 Comment
  CHSC94607  Scirpus microcarpus Lowell Ahart 2006-9-13 13314 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110301  Scirpus microcarpus Lowell Ahart 2006-9-13 13314 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 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
  CHSC42832  Scutellaria californica L. P. Janeway 1987-5-20 2074 Butte Along hwy 70 1.7 mi NE of Pulga bridge; N Fk Feather River at Poe Dam. 472 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
  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
  UC1713627  Scutellaria californica Lewis S. Rose 1940-5-30 40426 Butte 25 mi ne of Oroville (Feather River Canyon); Feather River Canyon 609 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
  CHSC4640  Scutellaria tuberosa R. Carter 1966-4-28 376 Butte Found in Feather R. Canyon ca. 7 mi. N of Jarbo Gap at intersection of Hwy. 70 and 23N28; ca. 100 yds. up 23N28 on W side of road. 640 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
  CAS-BOT-BC46018  Sedum albomarginatum John Thomas Howell 1951-8-19 28153 Butte 2 miles west of Pulga. 365 Comment
  CAS-BOT-BC61496  Sedum albomarginatum M. S. Taylor 1982-6-21 4489 Butte On north side of Hwy 70 along Pulga Rd. near Pulga Bridge over Feather River. 20. miles NE of Oroville. 487 Comment
  CHSC32684  Sedum albomarginatum M. S. Taylor; D. Hemphill 1981-3-18 3418 Butte N side of Pulga Rd, at its jct with Hwy 70 at Pulg ... Field redacted by CHSC, contact the data manager for more information 487 Comment
  CHSC33872  Sedum albomarginatum M. S. Taylor 1981-5-11 3687 Butte N side of Feather River Hwy 70, at jct with Pulga ... Field redacted by CHSC, contact the data manager for more information 487 Comment
  JEPS26934  Sedum albomarginatum P. C. Hutchison 1961-6-9 2101 Butte w side Feather River Canyon (at Pulga Bridge, on steep serpentine cliffs); w side Feather River Canyon at Pulga Bridge Comment
  CAS-BOT-BC59135  Sedum spathulifolium Lewis S. Rose 1963-6-2 63075 Butte 2 miles South of Pulga, North Fork Feather River. 579 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
  UCD135969  Selaginella asprella D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-16 s.n. Butte Parkhill-Pulga near Pulga Road. 520 Comment
  UCD69268  Selaginella asprella D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-16 s.n. Butte Parkhill-Pulga near Pulga Road. 520 Comment
  CAS-BOT-BC62120  Selaginella hansenii John Thomas Howell; Gordon H. True 1967-5-9 42232 Butte Southeast side of North Fork of Feather River at Pulga Bridge Comment
  CHSC117771  Selaginella hansenii L. P. Janeway 2016-11-9 12176 Butte Northern High Sierra Nevada. Plumas National Forest; rocky bench above Pulga Road 0.5 road-km north of Hwy 70 at Pulga Bridge. 502 Comment
  CHSC32648  Selaginella hansenii M. S. Taylor 1981-3-18 3419 Butte N side of Pulga Rd, ca. 1/4 mi e of its jct with Pulga bridge over Hwy 70. 487 Comment
  CHSC48043  Selaginella hansenii L. P. Janeway 1984-10-8 1179 Butte Along Hwy 70 above North Fork Feather River. 609 Comment
  JEPS127577  Selaginella hansenii L. P. Janeway 2016-11-9 12176 Butte Northern High Sierra Nevada. Plumas National Forest; rocky bench above Pulga Road 0.5 road-km north of Highway 70 at Pulga Bridge. Pulga 7.5' Quad. 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
  CDA11291  Senecio eurycephalus var. eurycephalus G. F. Hrusa 1994-5-31 11886 Plumas Sierra Nevada; Junction of Hwy. 70 and Pulga Rd. Comment
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Apr 10 2018
  CHSC88645  Senecio eurycephalus var. lewisrosei Linnea Hanson 1986-5-8 276 Butte Plumas National Forest. Pulga Bridge. 548 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
  CHSC69442  Sericocarpus oregonensis Lowell Ahart 1997-9-6 7890 Butte Near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir. 731 Comment
  JEPS104835  Sericocarpus oregonensis Dean W. Taylor 1995-8-6 15388 Butte N end Rocky Ridge; 6 air mi E of Paradise, northern rim of North Fork Feather River canyon; Lassen National Forest 975 Comment
  JEPS95027  Sericocarpus oregonensis subsp. californicus Lowell Ahart 1997-9-6 7890 Butte about 2 air mi ne of Concow Reservoir (near the McNab Cypress Grove, near the steel power line, along sides of logging road, about 1/4 mi w of Rim Road) 731 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
  CDA2456  Setaria viridis L. Ahart 2006-9-11 13309 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. Comment
  CHSC94557  Setaria viridis Lowell Ahart 2006-9-11 13309 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110304  Setaria viridis Lowell Ahart 2006-9-11 13309 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA724995  Setaria viridis L. Ahart 2006-9-11 13309 Butte South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville. 432 Comment
  CHSC29405  Sidalcea asprella R. A. Schlising; R. Banchero 1980-6-19 3746 Butte N of Oroville and S of Concow Res., 0.3 mi N of Concow School (which is at jct Nelson and Concow Roads). 518 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
  CHSC34952  Sidalcea gigantea R. A. Schlising; C. A. Lawler 1981-8-8 4190 Butte Near N end of Concow Reservoir. Comment
  CAS-BOT-BC205759  Sidalcea oregana Sally Bianco 1995-10-19 1044 Butte E side of Concow Rd. approx. 0.8 km S of Hoffman Rd. on south side of creek 760 Comment
  NY43505  Sidalcea oregana S. Bianco 1995-10-19 1044 Butte E side of Concow Rd, ca. 0.8km S of Hoffman Rd, on S side of creek 760 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
  CHSC37284  Silene gallica M. S. Taylor 1982-5-2 4390 Butte N side of Hwy 70, at Pulga bridge, ca. 20 mi ne of Oroville. Pulga serpentine outcrops. 487 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
  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
  NY201648  Smilax californica S. Bianco 1995-9-24 1031 Butte Between Ishi Trail and unnamed creek to the S 762 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
  CHSC42970  Solanum americanum Lowell Ahart 1987-7-8 5790 Butte Along Walker Plains Road, about 1/2 mile east of Highway 70, near Pulga. 457 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
  CHSC94570  Solanum americanum Lowell Ahart 2006-9-11 13296 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS110296  Solanum americanum Lowell Ahart 2006-9-11 13296 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  RSA724881  Solanum americanum L. Ahart 2006-9-11 13296 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 432 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
  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
  CHSC45724  Solanum parishii J. Marr 1988-3-27 18 Butte 20 ft n side Concow Rd ca. 5 mi e of Hwy 70, 18 mi n of Oroville. 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 P