39.80444 39.90444 -121.44111 -121.34111 UC/JEPS: Consortium Search Results
Search Results — 907 specimen records retrieved (907 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
  CHSC110871  Acer circinatum Tim Hanson 2013-9-24 11 Butte Northern Sierra Nevada Foothills. On the north side of Camp Creek just west of the Dixie Creek bridge and 1.5 air km northwest of the Camp Creek Powerhouse. 902 Comment
  CHSC33590  Acer circinatum M. S. Taylor 1981-5-21 3789 Butte In Mayaro, along creek, ca. 2 mi ne of Pulga on Feather River Hwy 70 487 Comment
  JEPS120575  Acer circinatum Tim Hanson 2013-9-24 11 Butte Northern High Sierra Nevada Foothills. On the north side of Camp Creek just west of the Dixie Creek bridge and 1.5 air km northwest of the Camp Creek Powerhouse. Comment
  RSA0115090  Acer circinatum Tim Hanson 2013-6-24 11 Butte Northern Sierra Nevada Foothills. On the north side of Camp Creek just west of the Dixie Creek bridge and 1.5 air km northwest of the Camp Creek Powerhouse. 902 Comment
  CHSC28528  Acmispon americanus var. americanus M. S. Taylor 1979-8-4 2171 Butte On Hwy 70, ca. 1 mi n of Cresta Powerhouse, ca. 30 mi n of Oroville. 487 Comment
  CHSC94785  Acmispon americanus var. americanus Lowell Ahart 2006-10-8 13441 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment
  CHSC33612  Acmispon argophyllus var. fremontii M. S. Taylor 1981-6-19 3955 Plumas On granite at south mouth of Grizzly Butte tunnel on Hwy. 70, ca. 6 mi ne of Pulga. 548 Comment
  CHSC31097  Acmispon brachycarpus Diane M. Reilly 1980-4-19 19 Butte Ca. 2 m n off Big Bend Rd. on Pulga Rd, ca. 3 m off Hwy 70 ca. 25 mi e of Chico. 597 Comment
  CHSC55251  Aconogonon phytolaccifolium Lowell Ahart 1991-8-25 6709 Butte Along the edges of Wildcat Creek, about 2 miles north-west of Four Trees, about 2 miles west of the Oroville-Quincy Highway, about 2 miles north-east of Coyote Gap. 1219 Comment
  CHSC23705  Adenocaulon bicolor M. S. Taylor 1976-5-5 1120 Butte Scattered ca. 4 ft N of Bear Creek and the waterfall, ca. 1/4 mi S of Hwy 70, ca. 30 mi NE of Oroville. Comment
  CHSC23702  Adiantum aleuticum M. S. Taylor 1976-5-5 1117 Butte Ca. 1/4 mi. s of Hwy 70, by Bear Ranch Creek, ca. 30 mi ne of Oroville. 487 Comment
  CHSC44611  Adiantum aleuticum Vernon Oswald 1985-7-15 1900 Butte Near Cresta Tunnel below the falls on Bear Ranch Creek via the dirt road opposite Cresta Rest Area on Hwy 70. 463 Comment
  CAS-BOT-BC127597  Agropyron cristatum John Thomas Howell; H. Keith Wagnon 1980-5-28 53708 Plumas Sierra Nevada. North Fork Feather River Canyon 4 miles northeast of Pulga Bridge. 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
  UCD52304  Agrostis exarata August L. Hormay 1929-7-24 s.n. Butte 3 miles North of Pulga. Comment
  UCD52306  Agrostis exarata August L. Hormay 1929-7-24 s.n. Butte North Fork of the Feather River, 3 miles North of Pulga. Comment
  UCD52484  Agrostis exarata var. monolepis John Thomas Howell 1973-7-9 49692 Butte NE of Pulga Bridge, Feather River highway. Comment
  RSA215971  Agrostis pallens J. T. Howell 1957-6-30 32793 Plumas Hunters Point Comment
  CAS-BOT-BC138774  Agrostis scabra Lowell Ahart 1987-7-8 5815 Butte Along a side road near Walker Plains Road, about 1.5 mile northeast of Coyote Gap, about 6 miles northeast of Pulga. 1341 Comment
  CHSC42997  Agrostis scabra Lowell Ahart 1987-7-8 5815 Butte Along a side road near Walker Plains Road, about 1 1/2 miles north-east of Coyote Gap, about 6 miles north-east of Pulga. 1341 Comment
  JEPS110041  Alisma plantago-aquatica Lowell Ahart 2006-10-8 13437 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 Comment
  CHSC94791  Alisma triviale Lowell Ahart 2006-10-8 13437 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment
  CHSC101176  Allium membranaceum Matt Brown; Jamie Tuitele-Lewis 2005-6-3 Butte Northern High Sierra Nevada. East side of Cedar Creek and about 200 m uphill from it; 2.0 km northwest of Arch Rock Tunnel. UTM Zone 10: 4414000N, 636100E. 1280 Comment
  CHSC29387  Allophyllum divaricatum R. A. Schlising 1980-6-24 3775 Butte Along Hwy 70 in canyon of North Fork Feather River, 0.2 mi N Cresta Powerhouse. In old quarry. 457 Comment
  CHSC7143  Alnus rhombifolia Lynn R. Thomas 1969-3-9 11 Butte S bank of Feather River; n edge of Calif. 70, 0.1 mi w of Cresta Powerhouse. Ca. 30 mi e of Oroville. 640 Comment
  CHSC94649  Amaranthus albus Lowell Ahart 2006-9-28 13364 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  JEPS110123  Amaranthus albus Lowell Ahart 2006-9-28 13364 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  CHSC94855  Amaranthus hybridus Lowell Ahart 2006-9-28 13366 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CDA3282  Amaranthus retroflexus L. Ahart 2006-9-28 13365 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. Comment
  CHSC94650  Amaranthus retroflexus Lowell Ahart 2006-9-28 13365 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  JEPS110467  Amaranthus retroflexus Lowell Ahart 2006-9-28 13365 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  UCR21785  Andropogon virginicus Paul Reisentz 1979-5-13 s.n. Butte Canyon c. 3 mi southe of the Butte-Plumas Co. line, 1 mi north of Cresta Point Houses, Hwy 70 Comment
  UCSB34746  Andropogon virginicus P. Reisentz 1979-5-13 Butte collected 3.0 mi S and 1.0 mi N along Highway 170 Butte-Plumas County line, and Cresta Point Houses - Butte-Plumas County line, Cresta Point Houses, and Highway 1 Comment
  CHSC94788  Anthemis cotula Lowell Ahart 2006-10-8 13427 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment
  JEPS108991  Anthemis cotula Lowell Ahart 2006-10-8 13427 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 Comment
  CHSC1172  Aphyllon purpureum R. Carter 1964-4-21 73 Butte Feather R. Canyon, ca. 200 yds. E of Hibbard Cr. on S side of Hwy. 40A. 609 Comment
  POM253210  Apocynum androsaemifolium subsp. pumilum A. A. Heller 1938-6-14 s.n. Plumas Near Gray s Flat on the Feather River Highway 869 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
  CHSC1432  Aquilegia formosa var. truncata E. Walker 1932-5-9 Butte Feather River Canyon. 609 Comment
  CHSC55687  Arbutus menziesii Ben Cunningham 1991-4-20 Butte Ca. 1.3 mi S of Cresta Power House and 4 ft W of Highway 70, 51 mi S of Greenville. 609 Comment
  CHSC102006  Arceuthobium abietinum L. P. Janeway; David Toren 2009-9-15 9953 Butte Northern High Sierra Nevada. Plumas National Forest; top of ridge between Wildcat Creek and Bear Ranch Creek, 3.6 air km north of Road 23N31. 1419 Comment
  CHSC32678  Arctostaphylos mewukka subsp. truei M. S. Taylor 1981-3-24 3441 Butte S side of Hwy 70 just E of Heinz Creek, ca. 1 mi E of Pulga. 487 Comment
  CHSC41204  Arctostaphylos mewukka subsp. truei J. D. Jokerst 1984-6-4 2042 Butte E of Camp Creek ca 400 meters. Canyon of the North Fork Feather River. 975 Comment
  CHSC41235  Arctostaphylos mewukka subsp. truei J. D. Jokerst 1984-8-15 2145 Butte Backbone of first ridge east of Camp Creek in the canyon of the North Fork Feather River. Comment
  CHSC44639  Arctostaphylos mewukka subsp. truei J. D. Jokerst 1984-8-15 2146 Butte First ridgeline east of and paralleling Camp Cr. in the canyon of the North Fork Feather River. Comment
  JEPS109800  Arctostaphylos mewukka subsp. truei Dean W. Taylor 2004-6-17 19113 Plumas Feather River Canyon, along Highway 70 equidistant between Cresta Dam and Rock Creek 563 Comment
  CHSC90965  Arctostaphylos nevadensis L. P. Janeway; Matt Brown, Samantha Mackey Hillaire 2005-5-11 8387 Butte Northern High Sierra Nevada. Plumas National Forest; upper slope overlooking Lockerman Creek, 0.5 km east of Lockerman Creek and 2.3 km north-northeast of its confluence at Camp Creek. 1250 Comment
  CAS-BOT-BC46722  Arctostaphylos patula M. S. Taylor 1981-3-24 3441 Butte S. side of Hwy 70 just e. of Heinz Creek, ca. 1 mi. e. of Pulga. 487 Comment
  UCD51939  Arctostaphylos tomentosa J. I. Mallory 1970-9-3 381 Butte Granite ridge along Concow Road, 5 miles west of Cresta Dam, 10 miles north-northeast of Jarbo Gap, Butte County, California. 1280 Comment
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Oct 2 2015
  CAS-BOT-BC400432  Aristolochia californica John Thomas Howell 1967-6-22 42644 Butte 3 miles ne. of Pulga Bridge - Canyon of the Feather River North Fork Comment
  CHSC32666  Aristolochia californica M. S. Taylor 1981-3-24 3442 Butte Steep embankment, s side of Hwy 70, just e of Heinz Creek, ca. 1.5 mi e of Pulga. 487 Comment
  SFV11167  Aristolochia californica M. L. Vincent 1964-4-8 508 Butte Sierra Nevada PG&E powerplant, Feather River Canyon. 2 miles northeast of new bridge. 475 Comment
  UC1562316  Arnica Vernon Oswald and Lowell Ahart 1990-6-27 4333 Butte 1.4 mi nw of, between Four Trees and Coyote Gap Four Trees Rd. 1475 Comment
  CHSC50399  Arnica latifolia Vernon Oswald; Lowell Ahart 1990-6-27 4333 Butte Rd 23N31 about 1.4 mi (odometer) northwest of Four Trees Rd, between Four Trees and Coyote Gap. 1475 Comment
  CHSC28531  Artemisia douglasiana M. S. Taylor 1979-9-28 2198 Butte At Butte County line at Hwy 70, between boundry and Arch Rock Tunnel. 487 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
  CAS-BOT-BC99276  Artemisia tridentata subsp. vaseyana L. P. Janeway 1989-9-6 3644 Plumas Crocker Mtn. quad. - along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 1752 Comment
  CHSC55180  Artemisia tridentata subsp. vaseyana L. P. Janeway 1989-9-6 3644 Plumas Plumas National Forest. Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth. 1752 Comment
  CHSC55181  Artemisia tridentata subsp. vaseyana L. P. Janeway 1989-9-6 3645 Plumas Plumas National Forest. Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth. 1752 Comment
  CAS-BOT-BC400630  Asarum hartwegii Mrs. Eva Pattee 1923-5-15 s.n. Butte Shady Rest near Cresta Comment
  CHSC47972  Asclepias cordifolia Vernon Oswald 1984-5-23 1204 Butte Beside the dirt road leading to the falls on Bear Ranch Creek s-e of Calif. Hwy 70 at the Cresta Rest Area. 487 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
  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
  JEPS108754  Atriplex prostrata Lowell Ahart 2006-10-8 13431 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 Comment
  CDA23332  Atriplex triangularis L. Ahart 2006-10-8 13431 Butte East side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. Comment
  CHSC94787  Atriplex triangularis Lowell Ahart 2006-10-8 13431 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment
  CHSC46284  Barbarea verna Vernon Oswald 1989-5-25 3784 Butte Railroad between Pulga and Mayaro. Along the edge of the railroad right of way. 432 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
  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
  CHSC94892  Bidens frondosa Lowell Ahart 2006-9-28 13363 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 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
  JEPS110125  Bidens frondosa Lowell Ahart 2006-9-28 13363 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 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
  CHSC44048  Bistorta bistortoides L. P. Janeway 1987-6-26 2322 Butte SW end of Logue Meadows. 1325 Comment
  CHSC33223  Boechera arcuata R. E. Preston 1981-6-2 80 Butte At edge of trail to Bear Ranch Creek falls. Ca. 100 m s of Hwy 70, where creek joins North Fork of Feather River, ca. 39 km nne of Oroville. 488 Comment
  CHSC35021  Boechera arcuata R. E. Preston 1982-3-25 201 Butte Ca. 1.5 mi e of Pulga, n side of Feather River canyon. 670 Comment
  CHSC36679  Boechera arcuata R. E. Preston 1982-4-29 274 Butte At edge of trail to Bear Ranch Creek falls, s side of Hwy 70, ca. 100 yds sw of PG and E rest stop. 487 Comment
  CHSC46283  Boechera arcuata Vernon Oswald 1989-5-25 3785 Butte Railroad between Pulga and Mayaro. On the river side of the RR between Dogwood and Camp Creeks. 438 Comment
  CHSC36676  Boechera breweri R. E. Preston 1982-4-29 270 Plumas At roadside; ca. 0.3 mi s of Hwy 70 bridge at Rock Creek. 518 Comment
  CHSC24680  Boechera pauciflora Keith Lickey 1976-4-17 70 Plumas Ca 20 m s of Highway 70 at se entrance to Grizzly Dome Tunnel; ne side of Grizzly Creek. 914 Comment
  CHSC25363  Boechera sparsiflora Marc P. Hayes 1977-3-20 3 Butte Ca. .4 km from the confluence of Bear Ranch Creek and North Fork Feather River, ca. 16 km wnw of Paradise. 500 Comment
  CHSC28771  Boechera sparsiflora J. D. Jokerst 1979-10-5 363 Butte 100 yds. N.E. of waterfall on Bear Ranch Cr., 1/4 mi. S.E. of Hwy. 70 (3/4 mi. S. of Arch Rock Tunnel). 548 Comment
  CHSC32680  Boechera sparsiflora M. S. Taylor 1981-3-24 3437 Butte S side of Hwy 70, on ledges, ca. 1/4 mi w of Cresta Powerhouse, ca. 2 mi e of Pulga. 487 Comment
  CHSC43058  Boykinia major L. P. Janeway 1987-6-26 2321 Butte SW end of Logue Meadows. 1325 Comment
  CHSC71652  Boykinia major Vernon H. Oswald; Lowell Ahart 1998-8-11 9463 Butte USFS 25N95 to Upper Wildcat Creek 0.7 mi north of Four Trees-Coyote Gap Rd. 1408 Comment
  JEPS93943  Boykinia major Vernon H. Oswald and Lowell Ahart 1998-8-11 9463 Butte 0.7 mi n of Four Trees-Coyote Gap Road (USFS 25N95 to Upper Wildcat Creek); USFS 25N95 1408 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
  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
  SFV10381  Brassica rapa M. L. Vincent 1964-4-8 507 Butte Sierra Nevada PG&E powerplant, Feather River Canyon. 2 miles northeast of new bridge. 475 Comment
  CAS-BOT-BC106230  Brickellia californica John Thomas Howell; H. Keith Wagnon 1980-5-28 53709 Plumas North Fork Feather River Canyon 4 miles northeast of Pulga Bridge in area of granitic rock - Sierra Nevada Comment
  CAS-BOT-BC106321  Brickellia californica M. S. Taylor 1979-10-28 2197 Butte Butte Conty line at Hwy 70 (Feather River Hwy), between boundry and Arch Rock tunnel. 487 Comment
  CHSC28530  Brickellia californica M. S. Taylor 1979-9-28 2197 Butte Butte County line at Hwy 70, between boundary and Arch Rock Tunnel. 487 Comment
  CHSC30906  Brickellia californica M. S. Taylor 1979-10-28 2197 Butte Butte County line at Hwy 70, between boundary and Arch Rock Tunnel. 487 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
  CHSC41172  Bromus diandrus L. P. Janeway; Gary Benson, Randy Harrison 1984-9-10 Butte Plumas N.F. ECOS plot 11-044. Along County road 52515A above Mayaro and N Fk Feather River. 762 Comment
  CHSC40645  Bromus laevipes J. D. Jokerst 1984-5-19 2023 Butte Along road edges. South edge of HWY 70 ca. 0.5 miles south of its junction with Bear Ranch Creek. Comment
  CHSC115417  Calochortus monophyllus Kate Ronan 2013-4-9 Butte Centerville flumes trail. 368 Comment
  CAS-BOT-BC90967  Calycanthus occidentalis P. Monnet 1913-8-1 s.n. Plumas Sierra Nevada. Feather River Canyon, Big Bar. Comment
  RSA71059  Calycanthus occidentalis L. S. Rose 1951-6-24 51082 Plumas Feather River Canyon, near Rock Creek. 549 Comment
  RSA79043  Calycanthus occidentalis E. K. Balls, P. C. Everett 1952-10-14 18212 Plumas 18.6 mi. SW of Belden on Hwy 24, Feather River Hwy. Comment
  CHSC57129  Calyptridium monospermum L. P. Janeway 1987-6-26 2313 Butte Camp Creek, 0.4 mi east Granite Ridge near crossing of the road to Lynch and Logue Meadows. 1365 Comment
  CHSC57130  Calyptridium monospermum L. P. Janeway 1987-6-13 2209 Butte Dogwood Creek; along road to Mayaro 2.4 mi east of Concow Road. Comment
  CHSC43933  Cannabis sativa Vernon Oswald 1988-5-8 3298 Butte Railroad between Pulga and Mayaro. At the edge of the rail ties just sw of Mayaro. 438 Comment
  CHSC32682  Cardamine oligosperma M. S. Taylor 1981-3-24 3444 Butte S side of Hwy 70, just w of Heinz Creek, ca. 1 mi w of Pulga. 487 Comment
  SFV10373  Cardamine oligosperma M. L. Vincent 1964-4-8 509 Butte Sierra Nevada PG&E powerplant, Feather River Canyon. 2 miles northeast of new bridge. 475 Comment
  CHSC52284  Carex abrupta L. P. Janeway 1987-6-26 2312 Butte Above Camp Cr, 2.5 mi E of Granite Ridge along road to Lynch and Logue Meadows. 1365 Comment
  CHSC43872  Carex amplifolia L. P. Janeway 1987-6-26 2324 Butte Mdw just W of Logue Meadows along road to Lynch Meadows. 1325 Comment
  CHSC53710  Carex angustata L. P. Janeway 1987-6-26 2319 Butte Southwest end of Logue Meadows. 1325 Comment
  CAS-BOT-BC19412  Carex bolanderi Lewis S. Rose 1963-6-5 63140 Butte North Fork of Feather River. Arch Rock Tunnel. 487 Comment
  CAS-BOT-BC19413  Carex bolanderi Lewis S. Rose 1963-6-5 63140 Butte North Fork of Feather River. Arch Rock Tunnel. 487 Comment
  CHSC110471  Carex bolanderi L. P. Janeway 2013-5-9 11108 Butte Northern High Sierra Nevada. Southeast-facing slope of inner canyon of North Fork Feather River +-overlooking Cresta, along Camp Creek Road 2.7 road km northeast of Dixie Road. 670 Comment
  CHSC40664  Carex bolanderi J. D. Jokerst 1984-5-19 2024 Butte Seepage along the edge Hwy 70. Ca 1/2 mile south of the highway's junction with Bear Ranch Creek. Comment
  CHSC52269  Carex bolanderi L. P. Janeway 1987-5-20 2086 Butte Canyon of North Fork Feather River; seep along Hwy 70, 0.3 mi N of Arch Rock Tunnel. 472 Comment
  OBI6420  Carex bolanderi Lewis S. Rose 1963-6-5 63140 Butte North Fork of Feather River, Arch Rock Tunnel 488 Comment
  RSA169396  Carex bolanderi L. S. Rose 1963-6-5 63140 Butte North Fork of Feather River, Arch Rock Tunnel. 488 Comment
  SEINET3143631  Carex bolanderi L. S. Rose 1939-6-7 39253 Butte 3 mi N of Pulga, Feather River Canyon 518 Comment
  SEINET7552626 Image available Carex bolanderi Robert F. C. Naczi 2004-7-29 10639 Butte ca. 5 mi NE of Pulga, along E side of route 70; 0.3 mi N of Arch Rock Tunnel 460 Comment
  UC823293  Carex bolanderi Lewis S. Rose 1939-6-7 39235 Butte 3 mi N of Pulga; Feather River Canyon 518 Comment
  CHSC44104  Carex cusickii L. P. Janeway 1987-6-26 2325 Butte Open mdw just NW of Logue Mdws along road to Lynch Mdws. 1325 Comment
  CHSC52861  Carex echinata subsp. echinata L. P. Janeway 1987-6-26 2311 Butte 2.5 mi E of Granite Ridge along road to Lynch and Logue Meadows; along Camp Creek. 1365 Comment
  CAS-BOT-BC20001  Carex feta J. D. Jokerst 1984-5-19 2025 Butte At the edge of Highway 70. Comment
  CHSC102592  Carex feta L. P. Janeway; B. Castro 2009-7-4 9837 Butte Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin. 1469 Comment
  CHSC40661  Carex feta J. D. Jokerst 1984-5-19 2025 Butte Perennial seepage along the edge of Highway 70 directly across from a roadside rest area along a small dirt road that parallels Hwy 70. Comment
  CHSC53709  Carex feta L. P. Janeway 1987-5-20 2077 Butte Soggy drainage along Hwy 70 2.1 mi NE of Pulga bridge, near Heinz Creek. 457 Comment
  RSA770105  Carex feta L. P. Janeway, B. Castro 2009-7-4 9837 Butte Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin. 1469 Comment
  SEINET4231831 Image available Carex feta L. Janeway, Castro, B 2009-1 9837 Butte Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin. Comment
  CHSC43903  Carex fracta L. P. Janeway 1987-5-20 2085 Butte North Fork Feather River. Seep along hwy 70 0.3 mi north of Arch Rock Tunnel. 472 Comment
  CHSC43912  Carex fracta L. P. Janeway 1987-6-26 2308 Butte Above Camp Cr, 2.5 mi E of Granite Ridge along rd to Lynch and Logue Mdws. 1365 Comment
  CAS-BOT-BC31124  Carex lemmonii L. P. Janeway 1987-6-26 2320 Butte Kimshew Point quad. SW end of Logue Meadows. 1325 Comment
  UCD140476  Carex lemmonii L. P. Janeway 1987-5-28 2109 Butte along side road (23N12Y) of Four Trees Road, 1.6 miles west of its junction with OroQuincy hwy. 1463 Comment
  SJSU5739  Carex leptopoda Lewis S. Rose 1963-6-5 63140 Butte N Fork Feather R, Arch Rock Tunnel 487 Comment
  CAS-BOT-BC320475  Carex multicaulis Peter F. Zika 2012-5-15 25866 Plumas Above Route 70, 3 air km NW of Grizzly Dome, canyon of North Fork Feather River, northern Sierra Nevada Highlands (n SNH) 520 Comment
  CHSC110450  Carex multicaulis L. P. Janeway 2013-5-16 11102 Butte Northern High Sierra Nevada. Plumas National Forest; mid-slope North Fork Feather River canyon +/- overlooking Arch Rock and the Hwy 70 rest area, along Camp Creek Road 5.4 road km northeast of Dixie Road. 702 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
  UCR261233  Carex multicaulis Peter F. Zika 2012-5-15 25866 Plumas Northern Sierra Nevada Range, highlands, above Route 70, 3 air km northwest of Grizzly Dome, canyon of North Fork Feather River 520 Comment
  CHSC52242  Carex nudata L. P. Janeway 1987-5-20 2089 Butte At edge of North Fork Feather River at the Plumas County line. 472 Comment
  CHSC52244  Carex nudata L. P. Janeway 1987-5-20 2084 Butte At the edge of North Fork Feather River, 5.0 mi NE of the Pulga Bridge. 457 Comment
  CHSC102602  Carex subfusca L. P. Janeway; B. Castro 2009-7-4 9836 Butte Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin. 1469 Comment
  RSA770099  Carex subfusca L. P. Janeway, B. Castro 2009-7-4 9836 Butte Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin. 1469 Comment
  SEINET8574039 Image available Carex subfusca L. Janeway, Castro, B 2009-1 9836 Butte Comment
  CHSC52238  Carex utriculata L. P. Janeway 1987-6-26 2326 Butte Meadow just NW of Logue Meadows along the road to Lynch Meadows. 1325 Comment
  CAS-BOT-BC249588  Castilleja applegatei subsp. pinetorum Mrs. Eva Pattee 1923-5-15 s.n. Butte Shady Rest near Cresta Comment
  JEPS17618  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins 1955-7-22 5439 Plumas just off Feather River Highway (U.S. Alt. 40) (along Rock Creek road (P.G.&E Co.)); Rock Creek 472 Comment
  CAS-BOT-BC50822  Ceanothus integerrimus John Thomas Howell 1973-7-9 49698 Butte Sierra Nevada - near Bear Ranch Creek, Feather River Highway 457 Comment
  CHSC35972  Ceanothus integerrimus var. californicus M. S. Taylor 1982-5-23 4508 Butte In granite on e side of Arch Rock Tunnel, n side of Hwy70, ca. 0.5 mi w of Butte-Plumas county line. 487 Comment
  CAS-BOT-BC63328  Ceanothus prostratus Ella Dales Cantelow 1939-5-19 4282 Plumas 10.5 mi. w. of Bucks Lake. Comment
  RSA399005  Ceanothus prostratus A. Davidson 1928-7-1 s.n. Butte [Unspecifed; Butte-Plumas counties] Comment
  CHSC97156  Centaurea cyanus Lowell Ahart 2007-5-16 13893 Butte Between the road to Bear Ranch Creek and Highway 70, north of Bear Ranch Creek, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel. 463 Comment
  JEPS113265  Centaurea cyanus Lowell Ahart 2007-5-16 13893 Butte Between the road to Bear Ranch Creek and Highway 70, north of Bear Ranch Creek, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel 463 Comment
  RSA726481  Centaurea cyanus L. Ahart 2007-5-16 13893 Butte About 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel. 463 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
  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
  CHSC100857  Chaenactis douglasii var. douglasii B. Castro 2005-7-20 1512 Butte Ca 10 air mi NE of Paradise, 1.5 mi NW of N. Fork Feather River, on ridge between Lockerman and Cedar Creeks. On steep SW-facing slope, on upper end of ridges overlooking unnamed tributary on E side of USFS Rd 24N13. 1121 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
  CHSC94603  Chamaesyce maculata Lowell Ahart 2006-9-13 13327 Butte South of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, poor road on the north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 452 Comment
  CHSC94723  Chamaesyce maculata Lowell Ahart 2006-9-28 13385 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 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
  JEPS108966  Chamaesyce maculata Lowell Ahart 2006-9-13 13327 Butte South of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, poor road on the north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville 452 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
  CHSC94834  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2006-10-8 13440 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment
  CHSC24221  Cheilanthes gracillima D. Brink; L. Mayer 1975-7-2 Plumas Buck's Lake Floristic Survey. Comment
  CHSC32693  Cheilanthes gracillima M. S. Taylor 1981-3-24 3438 Butte S side of Hwy 70, in curve in rd across the river from Mayaro, ca. 1 mi. e of Pulga. 487 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
  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
  CDA7111  Chenopodium botrys L. Ahart 2006-10-8 13438 Butte East side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 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
  JEPS108993  Chenopodium botrys Lowell Ahart 2006-10-8 13438 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 Comment
  RSA724944  Chenopodium botrys L. Ahart 2006-10-8 13438 Butte E side of the N fork of the Feather River, just E of where the river flows into a pool, on the W side of Hwy 70, 1/2 mile N of Cresta Power House. 610 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
  CDA3086  Chenopodium hians L. Ahart 2006-9-28 13368 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. Comment
  CDA3074  Chenopodium missouriense J. T. Howell 1961-9-22 36788 Butte North Fork of Feather River northeast of Pulga. 0 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
  CHSC94657  Chenopodium strictum var. glaucophyllum Lowell Ahart 2006-9-28 13368 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  JEPS110278  Chenopodium strictum var. glaucophyllum Lowell Ahart 2006-9-28 13368 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  RSA724845  Chenopodium strictum var. glaucophyllum L. Ahart 2006-9-28 13368 Butte E side of the N Fork of the Feather River, on the W side of Hwy 70, about 50 yards S of the Shady Rest Area S of the Arch Rock Tunnel. 445 Comment
  CHSC1409  Chimaphila menziesii R. Carter 1964-5-16 100 Butte Feather R. Canyon, 1/4 mi. S of Cresta Power House on S side Hwy. 40A. 609 Comment
  CHSC71636  Chimaphila umbellata Vernon H. Oswald; Lowell Ahart 1998-8-11 9462 Butte USFS 25N95 to Upper Wildcat Creek 0.3 mi north of Four Trees-Coyote Gap Rd. 1463 Comment
  JEPS93939  Chimaphila umbellata Vernon H. Oswald and Lowell Ahart 1998-8-11 9462 Butte USFS 25N95 to Upper Wildcat Creek 0.3 mi n of Four Trees-Coyote Gap Road Upper Wildcat Creek; USFS 25N95 to Upper Wildcat Creek 1463 Comment
  CHSC42576  Cicuta douglasii Vernon Oswald 1985-7-15 1901 Butte N. Fork of Feather R. at Cresta Rest Area on Hwy 70 0.3 mi s of Arch Rock Tunnel 457 Comment
  CHSC44043  Circaea alpina subsp. pacifica L. P. Janeway 1987-6-26 2304 Butte Edge of pond in Camp Cr next to crossing of road, 2.5 mi east of Granite Ridge along the road to Lynch and Logue Mdws. 1365 Comment
  CHSC46311  Cirsium occidentale var. candidissimum Vernon Oswald 1989-6-8 3803 Butte Camp Creek Rd, 0.5 mi s of Dogwood Creek, n of Pulga. Along road. 585 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-BC27107  Clarkia mildrediae Amos Arthur Heller 1938-7-2 15153 Butte On the Feather River Highway, 2 mi W of Arch Rock Tunnel. Comment
  CAS-BOT-BC6941  Clarkia mildrediae Amos Arthur Heller 1938-7-2 15153 Butte On the Feather River Highway, 2 mi W of Arch Rock Tunnel. Comment
  GH367721  Clarkia mildrediae F. H. Lewis, M. E. Lewis & F. C. Vasek 1950-6-30 756 Unknown Hwy 24, 0.05 mi. S. of Arch Rock on Feather River Comment
  SFV10925  Clarkia mildrediae M. L. Vincent 1968-6-10 848 Butte Sierra Nevada 1/5 mile north of Cresta Power Station, North Fork Feather River. 460 Comment
  UC1071907  Clarkia mildrediae H. and M. Lewis, F. Vasek June 1950 756 Butte 0.5 mi s Arch Rock (Hwy.24); Feather River Comment
  UC1143186  Clarkia mildrediae H. and M. Lewis, F. Vasek 1950-6-30 760 Butte 2.0 mi s Arch Rock (Hwy.24); Feather River Comment
  UC725470  Clarkia mildrediae A. A. Heller 1938-7-2 15153 NUL Butte 2 mi w Arch Rock Tunnel; ; W of Arch Rock Tunnel, Butte Co. Comment
  CHSC35148  Clarkia mildrediae subsp. lutescens R. Schlising; K. Tarp, R. Banchero 1981-7-11 4141 Butte NE part of county, E of N Fork of Feather River at Coyote Gap region; at roadside along Four Trees Road. 1447 Comment
  CAS-BOT-BC163277  Clarkia mildrediae subsp. mildrediae H. Lewis; M. Lewis; F. Vasek 1950-6-30 756 Butte Hwy 24, 0.05 mi. S. of Arch Rock on Feather River Comment
  CHSC100858  Clarkia mildrediae subsp. mildrediae B. Castro; David Toren 2005-7-21 1521 Butte Ca 8.5 air mi NE of Paradise, on slopes just W of Lockerman Ck. On NW-facing roadcut by USFS Rd 24N13, about 5 ft off road. 890 Comment
  CHSC1105  Clarkia mildrediae subsp. mildrediae R. Carter 1964-6-15 124 Butte Feather River Canyon along S side Hwy. 40 on W side of tunnel, Arch Rock. 609 Comment
  CHSC111319  Clarkia mildrediae subsp. mildrediae Samantha Mackey Hillaire 2008-5-22 1256 A Butte Plumas National Forest. Roadcuts under powerlines. 731 Comment
  CHSC48628  Clarkia mildrediae subsp. mildrediae Vernon Oswald 1984-7-9 1354 Butte Near falls on Bear Ranch Creek s-e of Hwy 70 at Cresta Rest Area. 512 Comment
  CHSC70733  Clarkia mildrediae subsp. mildrediae L. P. Janeway 1994-6-17 4665 Butte Northwest side of canyon of North Fork Feather River, +/- overlooking Cresta; along Pulga Road (Camp Creek Road) 6.1 mi northeast of Pulga Bridge (Hwy 70). Road cutbank. 670 Comment
  CHSC71157  Clarkia mildrediae subsp. mildrediae L. P. Janeway 1993-7-16 4391 Butte Southeast side of North Fork Feather River; along Hwy 70 0.4 mi north of Cresta Powerhouse. Road cutbank. 457 Comment
  JEPS109833  Clarkia mildrediae subsp. mildrediae Dean W. Taylor 2004-7-22 19206 Plumas Four Trees Road (Forest Road 23N00) ca. 1.8 mile West of Four Trees 1463 Comment
  LA206073  Clarkia mildrediae subsp. mildrediae Harlan Lewis; M. Lewis, Frank C. Vasek 1950-6-30 760 Butte Hwy 24, 2.0 mi S of Arch Rock on Feather River Comment
  LA206077  Clarkia mildrediae subsp. mildrediae Harlan Lewis; M. Lewis, Frank C. Vasek 1950-6-30 756 Butte Hwy 24, 0.05 mi S of Arch Rock on Feather River Comment
  RSA108404  Clarkia mildrediae subsp. mildrediae Harlan Lewis, F. Vasek 1950-6-30 760 Butte Hwy 24, 2 miles S of Arch Rock on Feather River Comment
  RSA108425  Clarkia mildrediae subsp. mildrediae Harlan Lewis, M. Lewis, F. Vasek 1950-7-1 756 Butte Highway 24, 0.5 mile south of Arch Rock on Feather River. Comment
  CAS-BOT-BC164779  Clarkia rhomboidea John Thomas Howell 1967-6-22 42645 Butte 3 miles northeast of Pulga Bridge, canyon of the Feather River North Fork Comment
  CAS-BOT-BC164792  Clarkia rhomboidea L. P. Janeway; Perrie Cobb 1993-6-1 4364 Butte Southeast side of canyon of North Fork Feather River; along dirt road from Cresta Rest Area to the Bear Ranch Creek falls 487 Comment
  CHSC1114  Clarkia rhomboidea R. Carter 1964-5-16 91 Butte Feather River Canyon, 1/4 mi. W of Cresta powerhouse on S side of Hwy. 40A. 670 Comment
  CHSC70742  Clarkia rhomboidea L. P. Janeway; Perrie Cobb 1993-6-1 4364 Butte Southeast side of canyon of North Fork Feather River; along dirt road from Cresta Rest Area to the Bear Ranch Creek falls. 487 Comment
  CHSC70755  Clarkia rhomboidea L. P. Janeway 1994-6-17 4664 Butte Along Pulga Road (Camp Creek Road) 7.5 mi northeast of Pulga Bridge (Hwy 70); northwest side of canyon of North Fork Feather River almost overlooking Arch Rock. 701 Comment
  RSA108409  Clarkia rhomboidea Harlan Lewis, M. Lewis, F. Vasek 1950-6-30 759 Butte Highway 24, 1.4 mile south of Arch Rock, Feather River. Comment
  RSA108431  Clarkia rhomboidea Harlan Lewis, M. Lewis, F. Vasek 1950-6-30 758 Butte Highway 24, 0.8 mile south of Arch Rock, Feather River. Comment
  UC1143245  Clarkia rhomboidea H. and M. Lewis, F. Vasek 1950-6-30 759 Butte 1.4 mi s Arch Rock (Hwy. 24); Feather River Comment
  UC1143258  Clarkia rhomboidea H. and M. Lewis, F. Vasek 1950-6-30 758 Butte 0.8 mi s Arch Rock (Hwy. 24); Feather River Comment
  UC725469  Clarkia rhomboidea A. A. Heller 1938-5-30 15129 Butte on Feather River Hwy 2 mi w Arch Rock Tunnel (steep slope); ; W of Arch Rock Tunnel on the Feather River Highway, Butte Co. Comment
  UCD85105  Clarkia rhomboidea Dena Grossenbacher; Joel Smith 2009-6-22 1062 Butte 1.4 miles south of Arch Rock along Highway 70 next to the Feather River. 453 Comment
  CAS-BOT-BC165440  Clarkia unguiculata H. Lewis; M. Lewis; F. Vasek 1950-6-30 760 Butte Highway 24, 2.0 miles south of Arch Rock on Feather River Comment
  CHSC32676  Claytonia rubra subsp. rubra M. S. Taylor 1981-3-24 3432 Butte S side of Hwy 70 near creek entrance opposite Cresta Poserhouse. 487 Comment
  CHSC32679  Claytonia rubra subsp. rubra M. S. Taylor 1981-3-24 3440 Butte S side of Hwy 70 just e of Heinz Creek, ca. 1 mi e of Pulga. Comment
  CHSC4714  Claytonia rubra subsp. rubra R. Carter 1966-4-28 383 Butte Found in Feather R. Canyon ca. 1.5 mi. SW of Cresta Power House on E side Hwy. 70; growing in loose granite on bank above road. 670 Comment
  CHSC56071  Claytonia rubra subsp. rubra L. P. Janeway 1987-5-20 2083 Butte North Fork Feather River; at edge of Hwy 70, 3.1 mi northeast of Pulga Bridge. 472 Comment
  CHSC56072  Claytonia rubra subsp. rubra L. P. Janeway 1987-5-28 2108 Butte 4-Trees Road 1.6 mi west of Oro-Quincy Hwy, at side road 23N12Y. 1463 Comment
  CHSC96814  Claytonia rubra subsp. rubra Lowell Ahart 2007-5-16 13895 Butte On the east edge of Highway 70, about 150 yards north of Bear Ranch Creek, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel. 463 Comment
  JEPS113206  Claytonia rubra subsp. rubra Lowell Ahart 2007-5-16 13895 Butte On the east edge of Highway 70, about 150 yards north of Bear Ranch Creek, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel 463 Comment
  CHSC92592  Cornus sessilis L. P. Janeway 2005-5-17 8392 Butte Northern High Sierra Nevada. Plumas National Forest; along unnamed creek 0.5 km west of Cedar Creek, 1.8 km north-northwest of its mouth at North Fork Feather River. 1097 Comment
  CHSC93040  Cornus sessilis L. P. Janeway 2005-9-4 8537 Plumas Northern High Sierra Nevada. Rock Creek at crossing of Road 24N04 'Rock Creek Crossing.' Along borders of bouldery streambed. 1204 Comment
  JEPS108581  Cornus sessilis L. P. Janeway 2005-9-4 8537 Plumas Northern High Sierra Nevada. Rock Creek at crossing of Road 24N04 ''Rock Creek Crossing.'' Along borders of bouldery streambed 1204 Comment
  RSA712760  Cornus sessilis L. P. Janeway, Matt Brown 2005-5-17 8392 Butte Plumas national Forest; along un-named creek 0.5 km west of Cedar Creek, 2.8 km north-northwest of its mouth at North Fork Feather River. 1097 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
  CHSC33259  Cryptantha simulans R. A. Schlising 1980-6-24 3774 Butte N of Oroville along Hwy 70 in canyon of North Fork of Feather River; 0.2 mi N of Cresta Powerhouse. 457 Comment
  CHSC100108  Cuscuta subinclusa L. P. Janeway; Shandin Rudesill 2008-8-5 9534 Butte Northern High Sierra Nevada. Plumas National Forest; upper end of Magee Ridge at a small gap between Heinz Creek and Hibbard Creek; 2.7 air km north of Coyote Gap. 1353 Comment
  RSA739628  Cuscuta subinclusa L. P. Janeway, B. Castro 2008-8-5 9554 Butte Northern High Sierra Nevada, Plumas National Forest, upper end of Magee Ridge at a small gap betw Heinz Creek and Hibbard Creek, 2.7 air kim N of Coyote Gap. 1353 Comment
  CHSC28498  Cynodon dactylon M. S. Taylor 1979-8-4 2181 Butte On s side of Hwy 70, ca. 1 mi n of Cresta Power house, ca. 30 mi n of Oroville. 487 Comment
  CAS-BOT-BC190373  Cynosurus John Thomas Howell 1980-5-26 53582 Butte Sierra Nevada. 2 miles northeast of Pulga Bridge, North Fork of Feather River. 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
  JEPS110275  Cyperus bipartitus Lowell Ahart 2006-9-28 13378 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  JEPS110333  Cyperus bipartitus Lowell Ahart 2006-10-8 13439 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 Comment
  CHSC34135  Cyperus difformis L. Ahart 1981-9-19 3187 Butte Small pond ca. 100 m n of Cresta Powerhouse, a little e of Feather River, along Hwy 70, ca. 12 mi s of Storrie. 550 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
  CAS-BOT-BC114383  Cyperus erythrorhizos Lowell Ahart 1981-9-19 3191 Butte Cresta Power House. Comment
  CHSC34131  Cyperus erythrorhizos L. Ahart 1981-9-19 3191 Butte On the edges of a pond ca. 100 m n of the Cresta Powerhouse and a little e of the Feather River along Hwy 70, ca. 12 mi s of Storrie. 550 Comment
  CAS-BOT-BC114222  Cyperus flavescens John Thomas Howell 1961-9-22 36790 Butte Arch Rock Tunnel, North Fork of Feather River. 487 Comment
  CHSC34317  Cyperus flavescens L. Ahart 1981-9-6 3123 Butte In the rd gutter across the rd from the rest area just a little s of the Arch Rock tunnel on Hwy 70, ca. 4 mi n of Pulga. 500 Comment
  CHSC42844  Cyperus flavescens John Thomas Howell 1961-9-22 Butte Arch Rock Tunnel, along Highway 70, about 20 miles north-east of Oroville. Comment
  CHSC94647  Cyperus flavescens Lowell Ahart 2006-9-28 13378 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CHSC94648  Cyperus flavescens Lowell Ahart 2006-9-28 13379 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CHSC94781  Cyperus flavescens Lowell Ahart 2006-10-8 13429 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment
  CHSC94783  Cyperus flavescens Lowell Ahart 2006-10-8 13439 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment
  JEPS110276  Cyperus flavescens Lowell Ahart 2006-9-28 13379 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  JEPS110330  Cyperus flavescens Lowell Ahart 2006-10-8 13429 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 Comment
  RSA724967  Cyperus flavescens L. Ahart 2006-10-8 13429 Butte East side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Hwy 70, about 0.5 mile north of the Cresta Power House. 610 Comment
  SEINET7581940 Image available Cyperus flavescens Lowell Ahart 2006-10-8 13429 Butte East side of the North Fork of the large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 610 Comment
  CHSC34173  Cyperus niger L. Ahart 1981-9-19 3181 Butte Along edge of Hwy 70 just n of Arch Rock Tunnel, ca. 10 mi s of Storrie. 550 Comment
  CHSC68396  Cyperus niger L. P. Janeway; C. A. Janeway 1986-10-12 1924 Butte Canyon of North Fork Feather River near Heinz Creek; at a small side creek and seeps along Hwy 70 about 2 mi east of the Pulga turnoff. 441 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
  CHSC34137  Cyperus strigosus L. Ahart 1981-9-19 3185 Butte Along edge of Feather River, ca. 100 m s of Arch Rock Tunnel on Hwy 70, ca. 10 mi s of Storrie. 550 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
  CHSC110473  Cystopteris fragilis L. P. Janeway 2013-5-21 11115 Butte Northern High Sierra Nevada. Plumas National Forest; mid-slope North Fork Feather River canyon 1.1 air km north of Poe Dam, along Camp Creek Road at crossing of Dogwood Creek. 585 Comment
  CHSC23703  Cystopteris fragilis M. S. Taylor 1976-5-5 1118 Butte On s side of Bear Creek, ca. 1/4 mi s of Hwy 70, ca. 30 mi ne of Oroville. Comment
  CHSC28412  Cystopteris fragilis M. S. Taylor 1979-9-28 2192 Butte Butte county line at Hwy 70, between boundary and Arch Rock tunnel. 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
  CHSC45278  Cytisus scoparius Vernon Oswald 1985-4-21 1714 Butte Site of Mayaro, ca 2 mi ne of Pulga. 487 Comment
  CHSC61368  Danthonia californica var. americana Lowell Ahart 1993-7-29 7121 Butte Near a seep, about 2 1/2 miles north-east of Bald Mountain, about 6 1/2 miles north-east of Stirling City. 1584 Comment
  CHSC23704  Darmera peltata M. S. Taylor 1976-5-5 1119 Butte Along Bear Creek, ca. 1/4 mi s of Hwy 70, by the waterfall, ca. 30 mi ne of Oroville. Comment
  CHSC23692  Delphinium patens M. S. Taylor 1976-5-5 1116 Butte Ca. 50 ft s of Hwy 70 along dirt road, ca. 500 yds n of Bear Creek, ca. 30 mi ne of Oroville. Comment
  CHSC56876  Delphinium patens Keith Lickey 1976-4-17 68 Butte Hwy 70, 500 m sw of Grizzly Dome Tunnel; n-nw slope. 914 Comment
  CHSC25353  Dicentra formosa Marc P. Hayes 1977-4-22 13 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
  CHSC4201  Dicentra formosa D. B. Joley 1967-4-22 28 Plumas On slope, ca. 50 feet s of rd. and ca. 0.2 mile s of Cresta Powerhouse on highway 70, ca. 30 mi. n of Oroville. 548 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
  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
  CHSC94982  Digitaria sanguinalis Lowell Ahart 2006-10-8 13433 Butte East side of the North Fork of the Feather River, about 50 yards north of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment
  JEPS110335  Digitaria sanguinalis Lowell Ahart 2006-10-8 13433 Butte East side of the North Fork of the Feather River, about 50 yards north of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 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
  SEINET13693686  Diplacus aurantiacus M. J. Williams, W. Roderick 1984-5-25 84- 24 -1 Butte Feather River Canyon, Hwy 70, near Arch Rock Tunnel. Comment
  CAS-BOT-BC150486  Diplacus grandiflorus Lewis S. Rose 1963-6-2 63079 Plumas Rock Creek, North Fork of Feather River 640 Comment
  CAS-BOT-BC150496  Diplacus grandiflorus John Thomas Howell; Gordon H. True 1967-7-12 43386 Butte North Fork Feather River near Cresta Powerhouse 426 Comment
  CAS-BOT-BC150503  Diplacus grandiflorus Mrs. Eva Pattee 1923-5-15 s.n. Butte Shady Rest near Cresta Comment
  CAS-BOT-BC150506  Diplacus grandiflorus Ira L. Wiggins; Dorothy B. Wiggins 1961-6-10 16312 Butte 0.2 mile E of Cresta Dam Power Station on Feather River, along U. S. Highway Alternate 40 Comment
  CHSC22325  Diplacus grandiflorus Robert A. Schlising 1964-6-12 2727 Butte Foothills. 9.5 miles south of Injun Jim Camp (in Plumas Co. near Tobin) along Alt. Hwy. 40 and Feather River. Comment
  CHSC37630  Diplacus grandiflorus T. B. Devine 1979-10-5 597 Butte Feather River Canyon, S of Hwy 70 adjacent to PG and E rest stop, along Bear Ranch Creek. 548 Comment
  CHSC44824  Diplacus grandiflorus R. Banchero 1980-5-7 145 Butte Near the jct of Bear Ranch Creek and Hwy 70, ca 0.3 mi SW of Arch Rock Tunnel. 609 Comment
  SEINET13751508 Image available Diplacus grandiflorus Margaret J. Williams, Wayne Roderick 1984-1 84- 24 -1 Butte Feather River Canyon, Hwy 70, near Arch Rock Tunnel. Comment
  CAS-BOT-BC151815  Diplacus mephiticus Lewis S. Rose 1939-6-8 39256 Plumas N. Fork of Feather river, 11 mi. sw. of Belden 609 Comment
  CHSC92735  Diplacus mephiticus L. P. Janeway 2005-6-26 8439 Butte Northern High Sierra Nevada. In young timber plantation along Road 24N13 at Plumas County line; ridge between Lockerman Creek and Cedar Creek. 1305 Comment
  CHSC62135  Diplacus torreyi L. P. Janeway 1993-7-7 4434 Butte Plumas National Forest. Along dirt road to the Bear Ranch Creek falls, 0.7 mi south of Arch Rock Tunnel; canyon of North Fork Feather River. 502 Comment
  CHSC35015  Draba verna var. aestivalis R. E. Preston 1982-3-20 192 Butte Along trail to Bear Ranch Creek falls, at Hwy 70, ca. 22 mi nne of Oroville. 463 Comment
  CHSC35016  Draba verna var. verna R. E. Preston 1982-3-20 193 Butte Roadside, Hwy 70 at Bear Ranch Creek; ca. 22 mi nne of Oroville. 457 Comment
  CDA9321  Draperia systyla D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .276 Plumas On sunny granitic cliffs just before w of tunnel on route 70 25 miles E of Oroville. Mark 85. Comment
  CHSC23114  Draperia systyla Robert A. Schlising; Et al 1964-6-12 2725 Plumas 9.5 miles south of Injun Jim Camp (in Plumas Co. near Tobin) along Alt. Hwy. 40 and Feather River; rocky NW-facing slope. Comment
  CHSC23694  Draperia systyla M. S. Taylor 1976-5-5 1124 Butte On s side of Hwy 70, ca. 1/4 mi n of Bear Creek, ca. 30 mi ne of Oroville. Comment
  CHSC35901  Draperia systyla M. S. Taylor 1982-5-23 4512 Butte S side of Jwy 70, e side of Arch Rock Tunnel, ca. 1/2 mi sw of Butte-Plumas county line. 487 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
  CHSC687  Draperia systyla R. Carter 1964-5-16 90 Butte Feather R. Canyon, S side Hwy. 40 A along old road ca. 300 yds. E of Bear Cr. 731 Comment
  HSC13504  Draperia systyla L. S. Rose 1967-7-12 67141 Plumas Cresta, N Fork Feather River 762 Comment
  RSA189334  Draperia systyla L. S. Rose 1967-7-12 67141 Plumas Cresta, N Fork, Feather River. 762 Comment
  RSA79045  Draperia systyla E. K. Balls, P. C. Everett 1952-10-14 18214 Butte 2.4 mi. s.w. of Butte-Plumas Co. line on Hwy 24 274 Comment
  SFV11589  Draperia systyla M. L. Vincent 1968-6-10 838 Butte Sierra Nevada 1.2 miles south from Cresta Power House sign, North Fork Feather River. 460 Comment
  UC1382130  Draperia systyla L. Constance and David H. French 1968-5-2 3867 Butte Canyon of North Fork of Feather River 7.3 miles SW of Storrie Comment
  UCD119193  Draperia systyla Lewis S. Rose 1967-7-19 67141 Plumas Cresta, North Fork, Feather River. 762 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
  UC1562388  Drymocallis glandulosa var. glandulosa Vernon Oswald and Lowell Ahart 1990-6-27 4332 Butte between Four Trees and Coyote Gap Rd 23N31 nw Four Trees Rd.; between Four Trees and Coyote Gap 1463 Comment
  CHSC31235  Dysphania ambrosioides M. S. Taylor 1980-10-6 3358 Butte N side of Hwy 70, ca. 1/4 mi w of Bear Creek jct with n fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel Rest Stop. 487 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
  CHSC62447  Dysphania botrys L. P. Janeway 1993-9-3 4581 Butte Plumas National Forest. Along dirt road to Bear Ranch Creek falls from Hwy 70; in canyon of North Fork Feather River. 487 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
  CHSC94843  Dysphania botrys Lowell Ahart 2006-10-8 13438 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 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
  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
  CHSC34191  Echinochloa colona L. Ahart 1981-9-19 3178 Butte Along edge of road just a few ft north of the Arch Rock Tunnel, on Hwy 70, ca. 10 mi s of Storrie. 550 Comment
  CAS-BOT-BC197096  Echinochloa crus-galli Lowell Ahart 1981-9-18 3178 Butte Arch Rock Tunnel, Hwy. 70 550 Comment
  CAS-BOT-BC197105  Echinochloa crus-galli Lowell Ahart 1981-9-19 3180 Butte Arch Rock Tunnel, Hwy. 70 550 Comment
  CHSC34147  Echinochloa crus-galli L. Ahart 1981-9-19 3180 Butte Along the edge of Hwy 70, just n of Arch Rock Tunnel, ca. 10 mi s of Storrie. 550 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
  CHSC94835  Eleocharis acicularis var. acicularis Lowell Ahart 2006-10-8 13435 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment
  JEPS109000  Eleocharis acicularis var. acicularis Lowell Ahart 2006-10-8 13435 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 Comment
  CHSC56610  Eleocharis bella L. P. Janeway 1987-6-26 2327 Butte Meadow just northwest of Logue Meadows along road to Lynch Meadows. 1325 Comment
  CAS-BOT-BC113114  Eleocharis obtusa Lowell Ahart 1981-9-19 3186 Butte Cresta Power House 550 Comment
  CHSC34136  Eleocharis obtusa L. Ahart 1981-9-19 3186 Butte On edge of small pond ca. 100 m n of Cresta Powerhouse, the pond is a little e of Feather River, along its banks, along Hwy 70, ca. 12 mi s of Storrie. 550 Comment
  CHSC94833  Eleocharis obtusa Lowell Ahart 2006-10-8 13436 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment
  JEPS110042  Eleocharis obtusa var. obtusa Lowell Ahart 2006-10-8 13436 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 Comment
  UCSB34810  Elymus multisetus Reisentz, Paul 1979-5-13 Butte State Highway 70; 9 miles south of Butte-Plumas County line Comment
  CHSC32668  Enemion occidentale M. S. Taylor 1981-3-24 3448 Butte S side of Hwy 70, ca. 100 ft w of Poe Dam, ca. 1/2 e of Pulga. Comment
  CAS-BOT-BC165910  Epilobium John Thomas Howell 1959-9-26 35085 Butte Arch Rock, N. Fk. Feather River 457 Comment
  CAS-BOT-BC166844  Epilobium canum subsp. latifolium John Thomas Howell 1951-8-19 28162 Butte Above Arch Rock Tunnel, on Feather River 457 Comment
  CHSC27723  Epilobium canum subsp. latifolium Robert A. Schlising 1978-10-10 3344 Butte Hwy 70, Feather River Canyon, from 0.2 to 0.5 mi north of Arch Rock Tunnel; roadside. Comment
  CHSC30765  Epilobium canum subsp. latifolium M. S. Taylor 1980-9-27 3344 Butte S side of Hwy 70, at Butte-Plumas county line, on granite wall. 548 Comment
  CHSC94658  Epilobium canum subsp. latifolium Lowell Ahart 2006-9-28 13386 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  JEPS110127  Epilobium canum subsp. latifolium Lowell Ahart 2006-9-28 13386 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  RSA724844  Epilobium canum subsp. latifolium L. Ahart 2006-9-28 13386 Butte East side of the North Fork of the Feather river, on the west side of Highway 70, about 10 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  RSA88521  Epilobium canum subsp. latifolium J. T. Howell 1951-8-19 28162 Butte Sierra Nevada: Above Arch Rock Tunnel, on Feather River. 457 Comment
  CHSC102606  Epilobium ciliatum subsp. ciliatum L. P. Janeway; B. Castro 2009-7-4 9839 Butte Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin. 1469 Comment
  CHSC28527  Epilobium ciliatum subsp. ciliatum M. S. Taylor 1979-8-4 2180 Butte Along Hwy 70 in ditch, ca. 1 mi n of Cresta Powerhouse, ca. 30 mi n of Oroville. 487 Comment
  RSA769816  Epilobium ciliatum subsp. ciliatum L. P. Janeway, B. Castro 2009-7-4 9839 Butte Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin. 1469 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
  CHSC94760  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2006-9-13 13325 Butte South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 437 Comment
  JEPS108964  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2006-9-13 13325 Butte South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville 437 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
  RSA725008  Epilobium ciliatum subsp. glandulosum L. Ahart 2006-9-13 13325 Butte South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of highway 70, about 2 3/4 miles northeast of pulga, about 23 miles (air) northeast of Oroville. 437 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
  CHSC94606  Equisetum hyemale subsp. affine Lowell Ahart 2006-9-13 13323 Butte South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 437 Comment
  JEPS110236  Equisetum hyemale subsp. affine Lowell Ahart 2006-9-13 13323 Butte South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville 437 Comment
  RSA725009  Equisetum hyemale var. affine L. Ahart 2006-9-13 13323 Butte South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of highway 70, about 2 3/4 miles northeast of pulga, about 23 miles (air) northeast of Oroville. 437 Comment
  CAS-BOT-BC213615  Eragrostis mexicana subsp. virescens John Thomas Howell 1961-9-22 36787 Butte North Fork of Feather River NE of Pulga, Sierra Nevada 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
  CAS-BOT-BC284086  Eragrostis pectinacea var. pectinacea John Thomas Howell 1961-9-22 36786 Butte North Fork of Feather River ne. of Pulga, Sierra Nevada Comment
  CHSC34134  Eragrostis pectinacea var. pectinacea L. Ahart 1981-9-19 3188 Butte On edges of pond ca. 100 m n of Cresta Powerhouse, a little e of Feather River, along Hwy 70, ca. 12 mi s of Storrie. 550 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
  CHSC94985  Eragrostis pectinacea var. pectinacea Lowell Ahart 2006-10-8 13434 Butte East side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 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-BC278507  Eragrostis pilosa Lowell Ahart 1981-9-19 3188 Butte Cresta Power House 550 Comment
  CAS-BOT-BC174176  Eremogone cliftonii M. S. Taylor 1981-5-21 3793 Butte N side of Mayaro Rd, ca. 0.5 mi n of Mayaro, ca. 2 mi n of Pulga on Feather River Hwy 70 609 Comment
  CAS-BOT-BC174178  Eremogone cliftonii M. S. Taylor 1981-5-21 3793 Butte N side of Mayaro Rd, ca. 0.5 mi n of Mayaro, ca. 2 mi n of Pulga on Feather River Hwy 70 609 Comment
  CHSC101491  Eremogone cliftonii Samantha Mackey Hillaire 2008-5-22 1252 Butte Pulga Road (County Road 76555F/County Road 302) north of Mayaro, approx 1.2 mile N of intersection with County Road 665553 and Forest Service Road 23N32Y. Mapped in several other places along road cut. 731 Comment
  CHSC30045  Eremogone cliftonii Joan P. Warner 1977-4-22 1 Butte Ca. 2 km sw of intersection of North Fork Feather River and Butte-Plumas county line, ca. 23 km nw of Paradise, ca. 80 m s of river. 490 Comment
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Jul 8 2014
  CHSC41481  Eremogone cliftonii L. P. Janeway; Randy Harrison, Gary Benson 1984-9-10 Butte Plumas National Forest. Vicinity: N Fk Feather River near Mayaro. On northwest side and above the river. Along long sharp switchback in county rd 66553. 762 Comment
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Jul 8 2014
  CHSC44115  Eremogone cliftonii L. P. Janeway; R. A. Schlising 1987-6-26 2307 Butte Above Camp Cr 2.5 mi E of Granite Ridge along rd to Lynch and Logue Mdws. 1365 Comment
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Jul 8 2014
  CHSC48247  Eremogone cliftonii Vernon Oswald 1985-4-21 1713 Butte Between the WPRR and North Branch of the Feather River sw of Mayaro. 457 Comment
  CHSC60278  Eremogone cliftonii L. P. Janeway 1987-5-20 2082 Butte Cyn of N Fk Feather R. N-facing slope just above hwy 70 3.1 mi NE of Pulga bridge. 472 Comment
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Jul 8 2014
  CHSC78628  Eremogone cliftonii L. P. Janeway; B. Castro 2000-5-28 6745 Butte Northern High Sierra Nevada. South side of Hwy 70 on the south side of the canyon of North Fork Feather River; 100 m west of the western driveway to Cresta Powerhouse. 455 Comment
  CHSC90971  Eremogone cliftonii L. P. Janeway; S. Mackey Hillaire, M. Brown, J. Tuitele-Lewis 2005-5-4 8377 Butte Northern High Sierra Nevada. Plumas National Forest; along Pulga Road about 1.2 km north of Mayaro and North Fork Feather River, 0.2 km east of Camp Creek. 747 Comment
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Jul 8 2014
  CHSC90972  Eremogone cliftonii L. P. Janeway; C. Christofferson, S. Mackey Hillaire, M. Brown 2005-5-11 8388 Butte Northern High Sierra Nevada. Plumas National Forest; upper slope overlooking Lockerman Creek, 0.7 km east of Lockerman Creek and 1.2 km east-northeast of its confluence at Camp Creek. 1234 Comment
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Jul 8 2014
  CHSC90973  Eremogone cliftonii L. P. Janeway; S. Mackey Hillaire, M. Brown, J. Tuitele-Lewis 2005-5-4 8376 Butte Northern High Sierra Nevada. Plumas National Forest; along Pulga Road on southwest side of Dogwood Creek; canyon of North Fork Feather River. 594 Comment
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Jul 8 2014
  CHSC91477  Eremogone cliftonii L. P. Janeway 2005-6-26 8436 Butte Northern High Sierra Nevada. Open granite ridgetop 0.3 km west of Cedar Creek and 2.6 km north-northwest of the mouth of Cedar Creek at North Fork Feather River. 1295 Comment
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Jul 8 2014
  CHSC91479  Eremogone cliftonii L. P. Janeway; Linnea Hanson 2005-6-29 8444 Butte Northern High Sierra Nevada. Plumas National Forest; south side of Hwy 70 on the south side of the canyon of North Fork Feather River, 100 m west of the western driveway to Cresta Powerhouse. Steep, north-northwest facing road cutbank. 455 Comment
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Jul 8 2014
  CHSC92519  Eremogone cliftonii Samantha Mackey Hillaire; Barb Castro 2005-6-21 1223 Butte North of Pulga, near Lockerman Creek. Near transmission lines. UTM 10 S 0634984,4413006 NAD83. 1127 Comment
  CHSC92525  Eremogone cliftonii Samantha Mackey Hillaire; Matt Brown, Lawrence Janeway, Jamie Lewis 2005-5-4 1216 Butte North of Pulga/Mayaro area. 1018 Comment
  JEPS108151  Eremogone cliftonii L. P. Janeway, C. Christofferson, S. Mackey Hillaire, M. Brown 2005-5-11 8388 Butte Northern High Sierra Nevada. Plumas National Forest; upper slope overlooking Lockerman Creek, 0.7 km east of Lockerman Creek and 1.2 km east-northeast of its confluence at Camp Creek 1234 Comment
  SEINET10473505  Erigeron Mary Susan Taylor 1981-5-21 Taylor 3788 Butte In Mayaro, along creek, ca. 2 mi NE of Pulga on Feather River Hwy 70. 1600 Comment
  CHSC92963  Erigeron inornatus var. inornatus L. P. Janeway 2005-9-4 8531 Butte Northern High Sierra Nevada. Ridge between Cedar Creek and un-named creek to the west; west-facing slope above the un-named drainage; 2.2 km northwest of Arch Rock on North Fork Feather River. 1244 Comment
  UC1730265  Erigeron petrophilus var. sierrensis L. P. Janeway 1996-8-20 5071 Butte Coyote Gap; along spur Road 23N72Y 300 ft SW of the Gap 1280 Comment
  CHSC35968  Eriodictyon californicum M. S. Taylor 1982-5-23 4514 Butte Scattered on n side of Hwy 70, e side of Arch Rock Tunnel, ca. 1/2 mi sw of Butte-Plumas county line. 487 Comment
  CHSC91480  Eriogonum lobbii L. P. Janeway; Linnea Hanson 2005-6-29 8446 Butte Northern High Sierra Nevada. Open granite ridgetop 0.3 km west of Cedar Creek and 2.6 km north-northwest of the mouth of Cedar Creek at North Fork Feather River. 1295 Comment
  CAS-BOT-BC261462  Eriogonum nudum var. nudum John Thomas Howell; Gordon H. True 1967-7-12 43384 Butte N. Fk. Feather River near Cresta Powerhouse 426 Comment
  CHSC31217  Eriogonum nudum var. pubiflorum M. S. Taylor 1980-10-6 3357 Butte N side of Hwy 70, ca. 1/4 mi w of Bear Creek jct with n fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel Rest Stop. 487 Comment
  CHSC4710  Eriophyllum lanatum var. grandiflorum R. Carter 1966-7-10 470 Butte Found Feather R. Canyon 4.4 mi. W of Butte Co. line along W side of Hwy. 70. 609 Comment
  CHSC90611  Erysimum capitatum John P. McKeon 1980-4-19 5 Plumas Ca. 20 m e of Rock Creek and .5 km nw of confluence with Feather River, 5 km east of Plumas-Butte County line. 600 Comment
  CHSC4257  Erysimum capitatum var. capitatum J. E. Bowlin 1967-3-24 36 Butte Along roadside, Hwy 70 at Cresta Powerhouse. 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
  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
  CHSC110335  Erythranthe filicifolia L. P. Janeway 2013-5-21 11114 Butte Northern High Sierra Nevada. Plumas National Forest; mid-slope North Fork Feather River canyon 1.1 air km north of Poe Dam, along Camp Creek Road at crossing of Dogwood Creek. 585 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
  CHSC94652  Erythranthe floribunda Lowell Ahart 2006-9-28 13374 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CHSC94841  Erythranthe floribunda Lowell Ahart 2006-10-8 13430 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment
  CHSC94605  Erythranthe guttata Lowell Ahart 2006-9-13 13322 Butte South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 437 Comment
  CHSC94687  Erythranthe guttata Lowell Ahart 2006-9-28 13373 Butte On the east side of the North Fork of the Feather River, on the west side of Hightway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CHSC44777  Erythranthe nasuta R. Banchero 1980-5-7 148 Butte Roadside 4.65 mi NE of the jct of Hwy 70 and the Feather River, 1.0 mi SW of Arch Rock Tunnel. 463 Comment
  CHSC88607  Erythronium multiscapideum Linnea Hanson 1983-4-6 181 Butte Plumas National Forest. Hwy. 70, behind Cal Trans Maint. Station. 609 Comment
  RSA712803  Euonymus occidentalis L. P. Janeway, Matt Brown 2005-6-21 8426 Butte Northern High Sierra Nevada. Plumas National Forest; along east side of Lockerman Creek 0.9 km M of its confluence with Camp Creek. Comment
  CHSC92748  Euonymus occidentalis var. occidentalis L. P. Janeway; Matt Brown 2005-6-21 8426 Butte Northern High Sierra Nevada. Plumas National Forest; along east side of Lockerman Creek 0.9 km north of its confluence with Camp Creek. 963 Comment
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Mar 30 2007
  CHSC48378  Euphorbia crenulata Vernon Oswald 1985-4-21 1716 Butte Along the road between Pulga and Mayaro sw of the falls on Dogwood Creek. 548 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
  CDA35053  Festuca arundinacea L. P. Janeway, B. Castro 2009-7-4 9840 Butte Northern High Sierra Nevada; Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin. Comment
  JEPS116648  Festuca arundinacea L. P. Janeway, B. Castro 2009-7-4 9840 Butte Along Four Trees Road 3.4 road km east of Coyote Gap Soapstone Hill (at head of minor drainage into Clear Creek, head of French Creek Basin); Northen High Sierra Nevada 1469 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
  CHSC34223  Fritillaria recurva M. S. Taylor 1981-5-21 3784 Butte Jct of Camp Creek and rd 23N10, ca. 4 mi n of Pulga on Feather River Hwy 70. 1005 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
  CHSC28526  Gayophytum heterozygum M. S. Taylor 1979-8-4 2175 Butte Ca. 1 mi n of Cresta Powerhouse on Hwy 70, ca. 30 mi n of Oroville. 487 Comment
  CHSC42790  Geum macrophyllum L. P. Janeway 1987-6-26 2318 Butte SW end of Logue Meadows. 1325 Comment
  CHSC43417  Geum macrophyllum Lowell Ahart 1976-7-7 1159 Plumas SW end of Logue Meadows. 1524 Comment
  CHSC29805  Gilia capitata subsp. mediomontana M. S. Taylor 1979-8-4 2174 Butte Ca. 1 mi n of Cresta Powerhouse on Hwy 70 (old 40), ca. 30 mi n of Oroville. 487 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
  CHSC94670  Gnaphalium palustre Lowell Ahart 2006-10-8 13425 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 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
  JEPS108990  Gnaphalium palustre Lowell Ahart 2006-10-8 13425 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 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
  CHSC43196  Helenium bigelovii Robert Banchero 1981-7-11 566 Butte Ca 2.0 mi ne of Coyote Gap. Meadow. 1463 Comment
  CHSC58897  Heterocodon rariflorum Lowell Ahart 1992-7-27 6865 Butte Growing along the edge of Wildcat Creek, about 2 miles north-west of Four Trees, about 2 miles west of the Oroville-Quincy Highway, about 2 miles north-east of Coyote Gap. 1219 Comment
  SFV11711  Heterocodon rariflorum M. L. Vincent 1968-6-10 841 Butte Sierra Nevada 1/5 mile north of Cresta Power Station, North Fork Feather River. 460 Comment
  UC1594672  Heterocodon rariflorum Lowell Ahart 1992-7-27 6865 Butte about 2 mi ne Coyote Gap (about 2 mi nw of Four Trees, about 2 mi w of Oroville-Quincy Highway, along the edge of Wildcat Creek); Wildcat Creek 1219 Comment
  CHSC39789  Heteromeles arbutifolia Eloise Gallatin 1935-5-19 Butte Feather River Canyon. Comment
  CAS-BOT-BC420457  Heuchera micrantha var. erubescens Mrs. Eva Pattee 1923-5-15 s.n. Butte Shady Rest near Cresta Comment
  CHSC110454  Heuchera micrantha var. erubescens L. P. Janeway 2013-5-19 11109 Butte Northern High Sierra Nevada. Southeast-facing slope of inner canyon of North Fork Feather River +/- overlooking Cresta, along Camp Creek Road 1.7 road km northeast of Dixie Road. 670 Comment
  CHSC24661  Heuchera micrantha var. erubescens Keith Lickey; Deanna Lickey 1974-4-16 61 Butte Ca. 2 km sw of Dogwood Creek, sw side of Pulga Road, ca. 2 km ne of Pulga, off Hwy 70. 914 Comment
  CHSC25349  Heuchera micrantha var. pacifica Marc P. Hayes 1977-4-22 15 Butte Scattered population, ca. 200 m from confluence of Heinz Crk. and North Fork of Feather River, ca. 20 km nw Paradise. 455 Comment
  CHSC38055  Hirschfeldia incana R. E. Preston 1983-5-26 385 Butte At roadside; at PG and E rest stop near Arch Rock Tunnel, ca. 4 mi NE of Pulga. 475 Comment
  CHSC38056  Hirschfeldia incana R. E. Preston 1983-5-26 385 Butte At roadside; at PG and E rest stop near Arch Rock Tunnel, ca. 4 mi NE of Pulga. 475 Comment
  CHSC94562  Hirschfeldia incana Lowell Ahart 2006-9-13 13330 Butte South of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, poor road on the north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 452 Comment
  CHSC71638  Hosackia oblongifolia var. oblongifolia Vernon H. Oswald 1998-8-11 9465 Butte USFS 23N35 at a branch of Wildcat Creek ca. 1 mi north of Four Trees-Coyote Gap Rd. 1396 Comment
  CHSC61244  Iris hartwegii subsp. hartwegii K. B. McShea 1992-4-23 13 Butte Ca 3.8 mi s of Arch Rock Tunnel on Hwy 70. 45 mi sw of Quincy. 640 Comment
  CHSC94561  Juncus acuminatus Lowell Ahart 2006-9-13 13326 Butte South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 437 Comment
  CHSC59017  Juncus bufonius var. bufonius Lowell Ahart 1992-7-27 6864 Butte Wildcat Creek, about 2 miles north-west of Four Trees, about 2 miles west of the Oroville-Quincy Highway, about 2 miles north-east of Coyote Gap. 1219 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
  CHSC94836  Juncus bufonius var. bufonius Lowell Ahart 2006-10-8 13424 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment
  CHSC94889  Juncus bufonius var. bufonius Lowell Ahart 2006-9-28 13380 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 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
  JEPS110163  Juncus bufonius var. bufonius Lowell Ahart 2006-10-8 13424 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 Comment
  RSA724946  Juncus bufonius var. bufonius L. Ahart 2006-10-8 13424 Butte E side of the N fork of the Feather River, just E of where the river flows into a pool, on the W side of Hwy 70, 1/2 mile N of Cresta Power House. 610 Comment
  CHSC59024  Juncus covillei var. covillei Lowell Ahart 1992-7-27 6863 Butte Along Wildcat Creek, about 2 miles north-west of Four Trees, about 2 miles west of the Oroville-Quincy Highway, about 2 miles north-east of Coyote Gap. 1219 Comment
  UC1594673  Juncus covillei var. obtusatus Lowell Ahart 1992-7-27 6863 Butte about 2 mi nw of Four Trees (about 2 mi ne of Coyote Gap, about 2 mi w of the Oroville-Quincy Highway, along Wildcat Creek); Wildcat Creek 1219 Comment
  CHSC28663  Juncus effusus subsp. pacificus J. D. Jokerst 1979-10-5 362 Butte At base of waterfall on Bear Ranch Cr., ca. 1/4 mi. S.E. of Hwy 70. 548 Comment
  CHSC94601  Juncus effusus subsp. pacificus Lowell Ahart 2006-9-13 13324 Butte South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 437 Comment
  RSA725034  Juncus effusus subsp. pacificus L. Ahart 2006-9-13 13324 Butte South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of highway 70, about 2 3/4 miles northeast of pulga, about 23 miles (air) northeast of Oroville. 437 Comment
  JEPS110157  Juncus effusus var. pacificus Lowell Ahart 2006-9-13 13324 Butte South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville 437 Comment
  CHSC92951  Juncus exiguus L. P. Janeway 2005-7-16 8494 Butte Northern High Sierra Nevada. Along Road 24N13 at small side drainage west to Lockerman Creek, opposite confluence of Lockerman Creek at Camp Creek. Nest to small creeklet. 969 Comment
  JEPS108585  Juncus laccatus L. P. Janeway 2005-7-16 8494 Butte Northern High Sierra Nevada. Along Road 24N13 at small side drainage west to Lockerman Creek, opposite confluence of Lockerman Creek at Camp Creek. Nest to small creeklet 969 Comment
  RSA712644  Juncus laccatus L. P. Janeway 2005-7-16 8494 Butte Along Road 24N13 at small side drainage west to Lockerman Creek, opposite confluence of Lockerman Creek at Camp Creek. 969 Comment
  CHSC102598  Juncus occidentalis L. P. Janeway; B. Castro 2009-7-4 9842 Butte Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin. 1469 Comment
  RSA293236  Keckiella breviflora subsp. glabrisepala D. C. Michener 1980-8-4 3777 Butte Northern Sierra Nevada. Feather River Canyon, 4.4 miles north of Pulga on CA 70. 500 Comment
  RSA71286  Keckiella breviflora subsp. glabrisepala L. S. Rose 1951-6-24 51080 Plumas Feather River canyon, near Rock Creek. 550 Comment
  CHSC22341  Keckiella breviflora var. glabrisepala Robert A. Schlising 1964-6-12 2727 Plumas 9.5 mi south of Injun Jim Camp (near Tobin) along Alt. Hwy 40 and Feather River. Comment
  CAS-BOT-BC237825  Keckiella lemmonii John Thomas Howell; Gordon H. True 1967-7-12 43385 Butte North Fork of Feather River near Cresta Powerhouse 426 Comment
  NY790344  Keckiella lemmonii D. C. Michener 1980-8-4 3778 Butte Northern Sierra Nevada. Rocky slopes and fill along the Feather River ca. 2.9 miles south of the Plumas County line. 548.6 Comment
  RSA293267  Keckiella lemmonii D. C. Michener 1980-8-4 3778 Butte Northern Sierra Nevada. Immediately along the Feather River, 2.9 miles south of the Plumas Co line. [Along CA 70.] 550 Comment
  UCR47786  Keckiella lemmonii D. C. Michener 1980-8-4 3778 Butte Northern Sierra Nevada Mtns, Rocky slopes and fill along the Feather River about 2.9 mi south of the Plumas County line 549 Comment
  CHSC44083  Kelloggia galioides L. P. Janeway 1987-6-26 2323 Butte SW end of Logue Mdws. 1325 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
  CHSC43728  Kumlienia hystricula Vernon Oswald 1984-5-23 1201 Butte Near the falls on Bear Ranch Creek s-e of Calif. Hwy 70 at the Cresta Rest Area. 512 Comment
  CHSC59588  Kumlienia hystricula Sharol Lindenstein 1989-3-26 5 Plumas Plumas Nat'l Forest, Hwy 70, ca. 3.5 mi sw of Sugar Loaf Mt., 4 mi nw of Cresta Powerhouse. 701 Comment
  CHSC77164  Kumlienia hystricula Vernon H. Oswald 2000-3-4 9884 Butte Hwy. 70 in Feather River Canyon 0.5 mi south of Cresta Rest Area. Along this section of highway. 464 Comment
  CHSC38057  Lepidium strictum R. E. Preston 1983-5-26 386 Butte At roadside; at PG and E rest stop near Arch Rock Tunnel, ca. 4 mi NE of Pulga. 475 Comment
  CHSC25356  Lepidium virginicum var. pubescens M. P. Hayes 1977-4-22 10 Butte Along Hwy 70 ca 2.2 km sw of Butte-Plumas county line, ca 23 km nw of Paradise. 485 Comment
  CHSC26276  Lepidium virginicum var. pubescens Joan P. Warner 1977-4-22 3 Butte Along Hwy 70, ca. 2.2 km sw of Butte-Plumas county line, ca. 23 km nw of Paradise. 485 Comment
  CHSC29386  Leptosiphon filipes R. A. Schlising 1980-6-24 3777 Butte Along Hwy 70 in canyon of North Fork, Feather River, 0.2 mi N of Cresta Powerhouse. At roadside. 457 Comment
  CHSC40749  Leptosiphon filipes A. A. Heller 1938-6-14 15154 Butte 2 miles west of Arch Rock Tunnel on the Feather River Highway. Comment
  CHSC91672  Leptosiphon filipes L. P. Janeway; Matt Brown, Jamie Tuitele-Lewis 2005-7-12 8490 Butte Northern High Sierra Nevada. Plumas National Forest; ridge between Camp Creek and canyon of North Fork Feather River; 0.5 km southeast of confluence of Camp Creek and Lockerman Creek. Steep southwest-facing slope. 981 Comment
  RSA715925  Leptosiphon filipes L. P. Janeway, Matt Brown, Jamie Tuitele-Lewis 2005-7-12 8490 Butte Northern High Sierra Nevada. Plumas National Forest; ridge between Camp Creek and canyon of North Fork Feather River; 0.5 km southeast of confluence of Camp Creek and Lockerman Creek. Opening under high power transmission lines. 981 Comment
  CAS-BOT-BC341784  Lessingia nemaclada John Thomas Howell 1959-9-26 35084 Butte Arch Rock, North Fork Feather River 457 Comment
  CDA8196  Lessingia nemaclada L. Ahart 2006-9-13 13331 Butte On both sides of Highway 70, at the Cresta Power House, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. Comment
  CHSC27731  Lessingia nemaclada Robert A. Schlising 1978-10-10 3343 Butte Highway 70, Feather River Canyon, just south of Arch Rock Tunnel at P.G. and E. Roadside Rest Area. Comment
  CHSC30277  Lessingia nemaclada M. S. Taylor 1979-8-4 2171 1/2 Butte On s side of Hwy 70, ca. 1 mi n of Cresta Powerhouse, ca. 30 mi n of Oroville. 487 Comment
  CHSC31081  Lessingia nemaclada R. Banchero; D. Ikeda, J. Nelson 1979-9-29 43 Butte Bear Ranch Crk, 1.2 mi sw of crossing of Hwy 70 with Butte County line. 609 Comment
  CHSC62430  Lessingia nemaclada L. P. Janeway 1993-9-3 4580 Butte Plumas National Forest. Along dirt road to Bear Ranch Creek falls from Hwy 70; in canyon of North Fork Feather River. 487 Comment
  CHSC94563  Lessingia nemaclada Lowell Ahart 2006-9-13 13331 Butte On both sides of Highway 70, at the Cresta Power House, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 452 Comment
  CHSC94725  Lessingia nemaclada Lowell Ahart 2006-9-28 13362 Butte At the end of the dirt road, about 50 yards west of the falls on Bear Ranch Creek, about 10 yards north of the tunnel and Bear Ranch Creek, about 1/8 mile east of Highway 70, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel. 480 Comment
  JEPS108725  Lessingia nemaclada Lowell Ahart 2006-9-13 13331 Butte On both sides of Highway 70, at the Cresta Power House, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville 452 Comment
  JEPS108726  Lessingia nemaclada Lowell Ahart 2006-9-28 13362 Butte At the end of the dirt road, about 50 yards west of the falls on Bear Ranch Creek, about 10 yards north of the tunnel and Bear Ranch Creek, about 1/8 mile east of Highway 70, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel 480 Comment
  RSA718954  Lessingia nemaclada L. Ahart 2006-9-28 13362 Butte About 50 yards west of the falls on Bear Ranch Creek, about 10 yards north of the tunnel and Bear Ranch Creek, about 1/8 mile east of Highway 70, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel 481 Comment
  RSA725007  Lessingia nemaclada L. Ahart 2006-9-13 13331 Butte At the Cresta Power House, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville 452 Comment
  CHSC42945  Leucothoe davisiae Lowell Ahart 1987-7-8 5817 Butte Along a side road near Walker Plains Road, about 1 1/2 miles north-east of Coyote Gap, about 6 miles north-east of Pulga. 1341 Comment
  CHSC43879  Leucothoe davisiae L. P. Janeway 1987-6-26 2306 Butte Edge of man-made pond in Camp Cr next to crossing of road, 2.5 mi east of Granite Ridge along the road to Lynch and Logue Mdws. 1365 Comment
  CAS-BOT-BC233825  Lewisia cantelovii Lewis S. Rose 1963-6-2 63078 Plumas Rock Creek, North Fork of Feather River 640 Comment
  CHSC28421  Lewisia cantelovii M. S. Taylor 1979-9-28 2194 Butte Butte county line at Hwy 70, between boundary and ... Field redacted by CHSC, contact the data manager for more information 487 Comment
  CHSC28474  Lewisia cantelovii R. A. Schlising; D. Ikeda 1979-9-29 3492 Butte .4 mi NE of Arch Rock Tunnel alongside Hwy 70 and ... Field redacted by CHSC, contact the data manager for more information Comment
  CHSC97256  Lewisia cantelovii Lowell Ahart 2007-5-16 13894 Butte On the east side of Highway 70, about 150 yards no ... Field redacted by CHSC, contact the data manager for more information 463 Comment
  HSC66212  Lewisia cantelovii M. S. Taylor 1980-9-27 3342 Butte S side of Hwy. 70 at Butte-Plumas Co. line 549 Comment
  JEPS104822  Lewisia cantelovii Dean W. Taylor 1996-5-31 15647 Plumas Feather River Canyon; Hwy 70 at Arch Rock Tunnel (about 25 air mi NE of Oroville) about 1 mi E of the Butte Co. line; Plumas National Forest; Sierra Nevada 563 Comment
  JEPS105426  Lewisia cantelovii Dean W. Taylor 1996-5-31 15647 Plumas Feather River Canyon; Hwy 70 at Arch Rock Tunnel (about 25 air mi NE of Oroville) about 1 mi E of the Butte Co. line; Plumas National Forest; Sierra Nevada 563 Comment
  JEPS113580  Lewisia cantelovii Lowell Ahart 2007-5-16 13894 Butte On the east side of Highway 70, about 150 yards no DUE TO CONCERNS FOR THE PROTECTION OF CERTAIN RARE OR COLLECTIBLE SPECIES, FOR THIS SPECIES THE LOCATION INFO HAS BEEN TRUNCATED, SECTION INFO HAS BEEN DELETED FROM THE TOWNSHIP AND RANGE FIELD, AND SEC 463 Comment
  RSA697275  Lewisia cantelovii D. W. Taylor 1996-5-31 15647 Plumas Feather River Canyon; Highway 70 at Arch Rock Tunnel (about 25 air miles NE of Oroville) about 1 mile E of the Butte County line; Plumas National Forest. 564 Comment
  CAS-BOT-BC444170  Lewisia nevadensis Mrs. H. C. Cantelow 1939-5-19 4207 Plumas W. of Bucks Lake 10 1/2 mi. Comment
  UC726827  Linanthus filipes A. A. Heller 1938-6-14 15154 Butte about 2 mi w Arch Rock Tunnel (on Feather River Highway) 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
  CHSC92947  Lithocarpus densiflorus var. densiflorus L. P. Janeway 2005-7-17 8499 Butte Northern High Sierra Nevada. West side near top of ridge on east side of Lockerman Creek, 0.5 km northeast of confluence of Lockerman Creek at Camp Creek. 1076 Comment
  RSA712647  Lithocarpus densiflorus var. densiflorus L. P. Janeway 2005-7-17 8499 Butte Northern High Sierra Nevada. West side near top of ridge on east side of Lockerman Creek, 0.5 km northeast of confluence of Lockerman Creek at Camp Creek. 1076 Comment
  CAS-BOT-BC36590  Lithocarpus densiflorus var. echinoides L. P. Janeway; Josephine Guardino 1993-9-18 4592 Butte Soapstone Hill quad. Top of ridge between North Fork Feather River and French Creek basin. About 0.1 mi north of 4-Trees 1463 Comment
  CHSC62459  Lithocarpus densiflorus var. echinoides L. P. Janeway; Josephine Guardino 1993-9-18 4592 Butte Plumas National Forest. Top of ridge between North Fork Feather River and French Creek basin. About 0.1 mi north of 4-Trees Road; ca 1.25 mi northeast of Coyote Gap. 1463 Comment
  UC1135296  Lithocarpus densiflorus var. echinoides J. E. Sowder 1933-8-17 131 Butte 2.5 mi n and 0.75 mi w Bear Ranch Hill; Lassen National Forest, Bidwell Bar Quad. 1219 Comment
  CHSC2470  Lithophragma bolanderi R. Carter 1964-5-16 98 Butte Found Feather R. Canyon, 300 yds. W of Cresta Power House on S side of Hwy. 40A. 609 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
  CHSC94679  Lolium multiflorum Lowell Ahart 2006-9-28 13382 Butte On the east side of the North Fork of the Feather River, on the west side of Hightway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  JEPS110455  Lolium multiflorum Lowell Ahart 2006-9-28 13382 Butte On the east side of the North Fork of the Feather River, on the west side of Hightway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  RSA718953  Lolium perenne subsp. multiflorum L. Ahart 2006-9-28 13382 Butte East side of the North Fork of the Feather river, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  JEPS94851  Lotus oblongifolius var. oblongifolius Vernon H. Oswald and Lowell Ahart 1998-8-11 9465 Butte USFS 28N35 at a branch of Wildcat Creek 1 mi n of Four Trees-Coyote Gap Road; Wildcat Creek 1396 Comment
  UC1562315  Lotus stipularis Vernon Oswald and Lowell Ahart 1990-6-27 4334 Butte 0.5 mi n Coyote Gap (Four Trees Rd) 1341 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
  UC726546  Lupinus A. A. Heller 1942-6-16 16512 Butte 3 1/2 mi w Arch Rocks Tunnel; w of Arch Rocks Tunnel Comment
  UC726731  Lupinus A. A. Heller 1942-6-16 16510 Butte State Highway #24, 2 1/2 mi w Arch Rocks Tunnel; w of Arch Rocks Tunnel Comment
  CHSC48520  Lupinus albicaulis Vernon Oswald 1984-5-23 1205 Butte Calif. Hwy 70 at Heinz Creek, 0.5 mi n-e of Poe Power House. 463 Comment
  CHSC96862  Lupinus albicaulis Lowell Ahart 2007-6-3 13979 Butte On the east side of Highway 70, about 1/4 mile northeast of the Poe Dam on the North Fork of the Feather River. 486 Comment
  JEPS113455  Lupinus albicaulis Lowell Ahart 2007-6-3 13979 Butte On the east side of Highway 70, about 1/4 mile northeast of the Poe Dam on the North Fork of the Feather River 486 Comment
  UC702964  Lupinus albicaulis A. A. Heller 1940-6-5 15704 Butte along Feather River Highway about two mi w Arch Rock Tunnel; along Feather River Highway Comment
  UC727111  Lupinus albicaulis A. A. Heller 1940-6-5 15704 Butte along the Feather River Highway between Pulga and Arch Rock Tunnel; Feather River Highway btw Pulga and Arch Rock Tunnel Comment
  CHSC33710  Lupinus albicaulis var. shastensis J. D. Jokerst 1981-5-21 1334 Butte Along side of road. Ca 100 m NE of Dogwood Creek on Pulga Rd. Comment
  CHSC92747  Lupinus andersonii L. P. Janeway; Matt Brown, B. Castro, Samantha Mackey Hillaire 2005-6-21 8427 Butte Northern High Sierra Nevada. Plumas National Forest; top of ridge between Lockerman Creek and Cedar Creek, 1.4 km northeast of confluence of Lockerman and Camp Creeks. 1201 Comment
  JEPS108562  Lupinus andersonii L. P. Janeway, Matt Brown, B. Castro, Samantha Mackey Hillaire 2005-6-21 8427 Butte Northern High Sierra Nevada. Plumas National Forest; top of ridge between Lockerman Creek and Cedar Creek, 1.4 km northeast of confluence of Lockerman and Camp Creeks 1201 Comment
  CHSC91473  Lupinus grayi L. P. Janeway 2005-6-26 8437 Butte Northern High Sierra Nevada. In young timber plantation along Road 24N13 at Plumas County line; ridge between Lockerman Creek and Cedar Creek. 1305 Comment
  CHSC91928  Lupinus latifolius var. columbianus L. P. Janeway 2005-7-16 8493 Butte Northern High Sierra Nevada. Along Road 24N13 at small side drainage west to Lockerman Creek, opposite confluence of Lockerman Creek at Camp Creek. 969 Comment
  UC725350  Lupinus latifolius var. columbianus A. A. Heller 1940-6-5 15705 Butte Feather River Highway between Arch Rock Tunnel and Pulga; Feather River Highway btw Arch Rock Tunnel and Pulga Comment
  CAS-BOT-BC8228  Lupinus pennellianus Amos Arthur Heller 1940-6-5 15705 Butte Along the Feather River Higway between Arch Rock Tunnel and Pulga Comment
  CAS-BOT-BC8229  Lupinus pennellianus Amos Arthur Heller 1940-6-5 15705 Butte Along the Feather River Higway between Arch Rock Tunnel and Pulga Comment
  NY15975  Lupinus pennellianus A. A. Heller 1940-6-5 15705 Butte Along the Feather River Highway between Arch Rock tunnel and Pulga. Transition Life Zone. Comment
  CHSC13596  Lupinus stiversii J. Pitts 1972-4-29 179 Plumas 9 mi ne of Poe Power Dam on Hwy. 70, on uphill side of the road. Comment
  CHSC52707  Luzula cascadensis L. P. Janeway 1987-6-26 2328 Butte Meadow just northwest of Logue Meadows along the road to Lynch Meadows. 1325 Comment
  CHSC71658  Luzula cascadensis Vernon H. Oswald; Lowell Ahart 1998-8-11 9468 Butte USFS 28N35 at a branch of Wildcat Creek ca. 1 mi north of Four Trees-Coyote Gap Rd. 1396 Comment
  JEPS94067  Luzula cascadensis Vernon H. Oswald and Lowell Ahart 1998-8-11 9468 Butte USFS 28N35 at a branch of Wildcat Creek ca. 1 mi. n. of Four Trees-Coyote Gap Rd. 1396 Comment
  CHSC32677  Luzula macrantha M. S. Taylor 1981-3-24 3435 A Butte S side of Hwy 70, ca. 1/4 mi w of Cresta Powerhouse. 487 Comment
  CHSC52715  Luzula macrantha L. P. Janeway 1987-5-20 2081 Butte North Fork Feather River; above Hwy 70 3.1 mi NE of the Pulga bridge. 472 Comment
  CHSC71659  Luzula parviflora Vernon H. Oswald; Lowell Ahart 1998-8-11 9469 Butte USFS 28N35 at a branch of Wildcat Creek ca. 1 mi north of Four Trees-Coyote Gap Rd. 1396 Comment
  JEPS94068  Luzula parviflora Vernon H. Oswald and Lowell Ahart 1998-8-11 9469 Butte USFS 28N35 at a branch of Wildcat Creek ca. 1 mi. n. of Four Trees-Coyote Gap Rd. 1396 Comment
  CHSC110451  Luzula subsessilis L. P. Janeway 2013-5-20 11113 Butte Northern High Sierra Nevada. Plumas National Forest; mid-slope North Fork Feather River canyon 0.8 air km west-northwest of Cresta Powerhouse, along Camp Creek Road 0.2 road km northeast of Dixie Road. 646 Comment
  CHSC34819  Lychnis coronaria M. S. Taylor 1981-5-21 3785 Butte In Mayaro, ca. 2 mi ne of Pulga on Hwy 70. 487 Comment
  CHSC94609  Lycopus americanus Lowell Ahart 2006-9-13 13320 Butte South edge of the North Fork of the Feather River, about 50 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 437 Comment
  JEPS110477  Lycopus americanus Lowell Ahart 2006-9-13 13320 Butte South edge of the North Fork of the Feather River, about 50 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville 437 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
  SFV11425  Madia elegans M. L. Vincent 1968-6-10 850 Butte Sierra Nevada 1/5 mile north of Cresta Power Station, North Fork Feather River. 460 Comment
  CHSC28490  Madia elegans subsp. densifolia M. S. Taylor 1979-8-4 2172 Butte On s side of Hwy 70, ca. 1 mi n of Cresta Powerhouse, ca. 30 mi n of Oroville. 487 Comment
  CHSC43621  Madia exigua Vernon Oswald 1984-5-23 1200 Butte Beside the dirt road leading to the falls on Bear Ranch Creek s-e of Calif. Hwy 70 at the Cresta Rest Area. 487 Comment
  CHSC33945  Maianthemum racemosum M. S. Taylor 1981-5-21 3783 Butte Jct of Camp Creek and rd 23N10, ca. 4 mi n of Pulga on Hwy 70. 1005 Comment
  CHSC34706  Malacothrix floccifera M. S. Taylor 1981-5-21 3793 A Butte E side of Mayaro Rd, ca. 1/2 mi n of Mayaro, ca. 2 mi n of Pulga on Feather River Hwy 70. 609 Comment
  CHSC34711  Malacothrix floccifera M. S. Taylor 1979-8-4 2183 Butte Ca. 1 mi n of Cresta Powerhouse on Hwy 70, ca. 30 mi n of Oroville. 487 Comment
  CHSC32667  Marah watsonii M. S. Taylor 1981-3-24 3443 Butte S side of Hwy 70, just e of Heinz Creek, ca. 1.5 mi e of Pulga. 487 Comment
  UC726322  Medicago A. A. Heller 1923-3-25 13737 Butte Rock Creek Comment
  RSA32916  Medicago polymorpha A. A. Heller 1923-3-25 13737 Butte Rock Creek Comment
  CHSC92670  Melica aristata L. P. Janeway 2005-6-26 8440 Butte Northern High Sierra Nevada. In young timber plantation along Road 24N13 at Plumas County line; ridge between Lockerman Creek and Cedar Creek. 1305 Comment
  RSA712795  Melica aristata L. P. Janeway 2005-6-26 8440 Butte Northern High Sierra Nevada. In young timber plantation along Road 24N13 at Plumas County line; ridge between Lockerman Creek and Cedar Creek. 1305 Comment
  CAS-BOT-BC281305  Melica harfordii John Thomas Howell 1967-6-22 42647 Butte 3 miles NE of Pulga Bridge - Canyon of the Feather River N Fork Comment
  CHSC110453  Melica harfordii L. P. Janeway 2013-5-20 11112 Butte Northern High Sierra Nevada. Plumas National Forest; mid-slope North Fork Feather River canyon 0.8 air km west-northwest of Cresta Powerhouse, along Camp Creek Road 0.2 road km northeast of Dixie Road. 646 Comment
  CHSC110474  Melica harfordii L. P. Janeway 2013-5-19 11107 Butte Northern High Sierra Nevada. Plumas National Forest; mid-slope North Fork Feather River canyon +-overlooking Arch Rock and the Hwy 70 rest area, along Camp Creek Road 5.4 road km northeast of Dixie Road. 702 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
  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
  CHSC37656  Mentzelia laevicaulis T. B. Devine 1981-8-28 759 Plumas Beside Hwy 70 ca. 1/4 mi SW of Rock Creek powerhouse. 518 Comment
  CHSC4697  Mentzelia laevicaulis R. Carter 1966-7-10 469 Butte Found Feather River Canyon 4.4 mi W of Butte Co. line along W side Hwy. 70, growing on dry granite slope along Hwy. 70. 609 Comment
  GH367057  Mimulus aurantiacus var. grandiflorus L. S. Rose 1963-6-5 63139 Unknown North Fork of Feather River, Arch Rock Tunnel 487 Comment
  JEPS32710  Mimulus aurantiacus var. grandiflorus Lewis S. Rose 1963-6-2 63079 Butte Rock Creek North Fork of Feather River 640 Comment
  JEPS32711  Mimulus aurantiacus var. grandiflorus Lewis S. Rose 1963-6-5 63139 Butte Arch Rock Tunnel North Fork of Feather River 487 Comment
  RSA169398  Mimulus aurantiacus var. grandiflorus L. S. Rose 1963-6-5 63139 Butte North Fork of Feather River, Arch Rock Tunnel. 488 Comment
  JEPS108963  Mimulus guttatus Lowell Ahart 2006-9-13 13322 Butte South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville 437 Comment
  JEPS110124  Mimulus guttatus Lowell Ahart 2006-9-28 13373 Butte On the east side of the North Fork of the Feather River, on the west side of Hightway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  JEPS108561  Mimulus mephiticus L. P. Janeway 2005-6-26 8439 Butte Northern High Sierra Nevada. In young timber plantation along Road 24N13 at Plumas County line; ridge between Lockerman Creek and Cedar Creek 1305 Comment
  UC726509  Mimulus microphyllus A. A. Heller 1942-6-16 16509 Plumas 1/4 mi w Grizzley Dome Tunnel Comment
  CHSC31022  Mimulus moschatus M. S. Taylor 1980-10-6 3361 Butte S side of Hwy 70, ca. 1/4 mi w of Bear Creek jct with n fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel rest stop. 487 Comment
  CHSC44666  Mimulus moschatus R. Banchero 1980-5-12 158 Butte Roadside 4.65 mi NE of the jct of Hwy 70 and the Feather River, 1.0 mi SW of Arch Rock Tunnel. 463 Comment
  CHSC44807  Mimulus moschatus R. Banchero 1980-5-7 147 Butte Roadside 4.65 mi NE of the jct of Hwy 70 and the Feather River, 1.0 mi SW of Arch Rock Tunnel. 463 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
  JEPS17619  Mimulus nanus var. mephiticus Rimo Bacigalupi 1955-7-22 5438 Plumas just off Feather River Highway (Alt. U. S. No. 40) (Rock Creek road (of PG&E)); Rock Creek 472 Comment
  UC726051  Monardella breweri subsp. lanceolata A. A. Heller 1938-7-2 15244 Butte About 2 miles west of Arch Rock Tunnel on the Feather River Highway Comment
  CHSC43024  Monardella sheltonii L. P. Janeway 1987-6-26 2303 Butte Above Camp Cr. 2.4 mi east of Granite Ridge along rd to Lynch and Logue Mdws. 1365 Comment
  CHSC67986  Monardella sheltonii James D. Jokerst 1989-7-3 3123 Butte Hwy. 70 3.6 mi E of Pulga turnoff. Comment
  CAS-BOT-BC233762  Montia parvifolia Mrs. Eva Pattee 1923-5-15 s.n. Butte Shady Rest near Cresta Comment
  CAS-BOT-BC445191  Montia parvifolia Lewis S. Rose 1963-6-2 63077 Plumas Rock Creek. North Fork of Feather River 640 Comment
  CHSC7113  Montia parvifolia S. Armantrout 1969-5-6 5 Butte Hwy. 70, first rest stop in Feather River Canyon, across road up trail 2 mi, below water fall. Bear Creek. Comment
  CHSC7114  Montia parvifolia Paul Kinnison 1969-5-6 11 Butte On Highway 70 e 200 yds. up Bear Creek where it hits the road. Just before the abandon tunnel. Comment
  CAS-BOT-BC264286  Muhlenbergia andina Lowell Ahart 1981-9-19 3182 Butte Arch Rock Tunnel, Hwy. 70, Sierra Nevada 550 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
  CHSC94655  Muhlenbergia andina Lowell Ahart 2006-9-28 13381 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CHSC94977  Muhlenbergia andina Lowell Ahart 2006-10-8 13423 Butte East side of the North Fork of the Feather River, about 50 yards north of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 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
  JEPS110334  Muhlenbergia andina Lowell Ahart 2006-10-8 13423 Butte East side of the North Fork of the Feather River, about 50 yards north of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 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
  CHSC61372  Muhlenbergia filiformis Lowell Ahart 1993-7-29 7124 Butte About 2 1/2 miles north-east of Bald Mountain, about 6 1/2 miles northeast of Stirling City. 1584 Comment
  CHSC34166  Muhlenbergia mexicana L. Ahart 1981-9-19 3182 Butte Along banks of Feather River ca. 100 m n of Arch Rock Tunnel on Hwy 70, ca. 10 mi s of Storrie. 550 Comment
  CAS-BOT-BC60377  Nasturtium officinale M. S. Taylor 1982-5-23 4509 Butte South side of Highway 70 at east side of Arch Rock Tunnel, ca. 0.5 mile southwest of Butte-Plumas county line. 487 Comment
  CHSC102608  Navarretia intertexta subsp. intertexta L. P. Janeway; B. Castro 2009-7-4 9841 Butte Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin. 1469 Comment
  SFV11719  Nemacladus interior M. L. Vincent 1968-6-10 843 Butte Sierra Nevada 1/5 mile north of Cresta Power Station, North Fork Feather River. 460 Comment
  CHSC60284  Nemophila heterophylla John McKeon 1980-4-19 2 Plumas Ca. 20 m e of Rock Creek and 0.5 km nw of confluence with Feather River. 0.5 km e of Plumas-Butte County line. 600 Comment
  SFV11585  Nemophila heterophylla M. L. Vincent 1964-4-8 504 Butte Sierra Nevada Highway 40, 1 mile northeast of new bridge. 450 Comment
  CHSC35079  Oenothera elata subsp. hirsutissima R. A. Schlising 1981-11-3 4219 Butte Feather River Canyon along Hwy 70, ca 0.1 mi S of Arch Rock Tunnel. 463 Comment
  CHSC48639  Oenothera elata subsp. hirsutissima Vernon Oswald 1984-7-9 1355 Butte Hwy 70 ca. 100 ft s of Arch Rock Tunnel. 487 Comment
  CHSC91671  Orthilia secunda L. P. Janeway; Matt Brown 2005-7-13 8491 Butte Northern High Sierra Nevada. Plumas National Forest; Along Cedar Creek 0.4 km south of the Plumas County line; about 1.9 km northwest of North Fork Feather River. 1244 Comment
  CHSC31240  Panicum acuminatum M. S. Taylor 1979-8-4 2178 Butte Ca. 1 mi n of Cresta Powerhouse on Hwy 70, ca. 30 mi n of Oroville. 487 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
  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
  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
  CHSC28426  Paspalum dilatatum M. S. Taylor 1979-9-28 2199 Butte Butte county line at Hwy 70, between boundary and Arch Rock tunnel. 487 Comment
  CHSC94686  Paspalum dilatatum Lowell Ahart 2006-9-28 13384 Butte On the east side of the North Fork of the Feather River, on the west side of Hightway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  JEPS110468  Paspalum dilatatum Lowell Ahart 2006-9-28 13384 Butte On the east side of the North Fork of the Feather River, on the west side of Hightway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  RSA724850  Paspalum dilatatum L. Ahart 2006-9-28 13384 Butte on the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 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
  CHSC49029  Penstemon laetus var. leptosepalus Vernon Oswald 1984-5-23 1202 Butte Beside the dirt road leading to the falls on Bear Ranch Creek s-e of Calif. Hwy 70 at the Cresta Rest Area. 487 Comment
  CHSC92744  Penstemon neotericus L. P. Janeway; Barbara Castro, Shannon Nielsen 2005-6-20 8425 Butte Northern High Sierra Nevada. Plumas National Forest; near top of ridge on east side of Lockerman Creek 0.6 km east-northeast of its confluence with Camp Creek. 1085 Comment
  RSA712804  Penstemon neotericus L. P. Janeway, B. Castro, Shannon Nielsen 2005-6-20 8425 Butte Northern High Sierra Nevada. Plumas National Forest; near top of ridge on east side of Lockerman Creek, 0.6 km ENE of its confluence with Camp Creek. 1085 Comment
  CHSC25352  Penstemon newberryi Marc P. Hayes 1977-4-22 16 Butte Ca. 100 m s of Butte-Plumas county line, along Hwy 70 and North Fork Feather River. 500 Comment
  CHSC27506  Penstemon newberryi Susan M. Schulz 1978-4-23 17 Plumas Jct. of hwy 149 and 70 ca. 26.9 mi, ne side of 70 ca. 10 ft on slope ca. 35 mi ne of Chico on Feather River Canyon. Comment
  CHSC32827  Penstemon newberryi W. M. Foster 1981-4-17 6 Butte Straddling the Butte and Plumas County line and Hwy. 70, ca. 27 mi n of Oroville. 487 Comment
  NY627345  Penstemon newberryi var. newberryi A. A. Heller 1942-5-8 16448 Butte A few feet from the Plumas County line along State Highway 24. Comment
  UC725651  Penstemon newberryi var. newberryi A. A. Heller 1942-5-8 16445 Butte Feather River Hwy, a few feet from the Plumas Co. line Comment
  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
  CHSC28409  Pentagramma triangularis subsp. semipallida M. S. Taylor 1979-9-28 2201 Butte Butte county line at Hwy 70, between boundary and Arch Rock tunnel. 487 Comment
  CHSC31010  Pentagramma triangularis subsp. semipallida M. S. Taylor 1980-10-6 3352 Butte S side of Hwy 70 ca. 1/4 mi w of Bear Creek jct with N fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel rest stop. 487 Comment
  CHSC32690  Pentagramma triangularis subsp. semipallida M. S. Taylor 1981-3-24 3439 Butte On s side of Hwy 70 just e of Heinz Creek, ca. 1 mi e of Pulga. 487 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
  UC1390031  Perideridia bolanderi subsp. involucrata T. I. Chuang, R. S. Mitchell, and G. Keator 1965-6-18 5993 Butte 2 mi s Berry Creek Comment
  CHSC34192  Persicaria hydropiper L. Ahart 1981-9-19 3177 Butte Along edge of the road just a few feet n of the Arch Rock Tunnel, on Hwy 70, ca. 10 mi s of Storrie. 550 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
  CHSC94656  Persicaria lapathifolia Lowell Ahart 2006-9-28 13371 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CHSC34133  Persicaria maculosa L. Ahart 1981-9-19 3189 Butte On edges of a pond ca. 100 m n of Cresta Powerhouse, and a little e of Feather River along hwy 70, ca. 12 mi s of Storrie. 550 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
  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
  CHSC94786  Persicaria punctata Lowell Ahart 2006-10-8 13428 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 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
  CHSC39113  Phacelia heterophylla subsp. virgata R. A. Schlising 1984-5-24 4454 Butte Bear Ranch Falls NE of Pulga, off Feather River Canyon. 609 Comment
  JEPS50779  Phacelia heterophylla subsp. virgata Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9283 Butte immediately w of Arch Rock Tunnel (along Feather River Highway); Feather River Highway 487 Comment
  UC1228322  Phacelia heterophylla subsp. virgata L. R. Heckard 1952-6-20 320 Butte road bank about 2 mi above (ne) Pulga; canyon of the Feather River Comment
  CHSC24664  Phacelia vallicola Keith Lickey 1976-4-17 75 Plumas Hwy 70 at se entrance of Grizzly Dome Tunnel. Comment
  NY61541  Phaeostoma mildrediae A. A. Heller 1938-7-2 15153 Butte On the Feather River Highway a mile or two west of Arch Rock Tunnel Comment
  SEINET194972  Philadelphus californicus A. A. Heller 1938-5-30 15130 Butte Near Grizzly Dome tunnel on Highway 24. 610 Comment
  CAS-BOT-BC77390  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas near Grizzly Dome tunnel on Highway 24 609 Comment
  CHSC37631  Philadelphus lewisii T. B. Devine 1979-10-5 598 Butte Feather River Canyon, 3/4 mi S of Arch Rock Tunnel, S of Hwy 70 adjacent to PG and E rest stop, along Bear Ranch Creek. 548 Comment
  CHSC37653  Philadelphus lewisii T. B. Devine 1981-8-25 755 Butte Beside Hwy 70 near Bear Creek Ranch, along N Fork of Feather River near Cresta. 426 Comment
  UC725479  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas on Hwy 24 near Grizzly Dome Tunnel 609 Comment
  UC858323  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas on Hwy 24 near Grizzly Dome Tunnel 609 Comment
  CHSC94585  Plantago lanceolata Lowell Ahart 2006-9-13 13321 Butte South edge of the North Fork of the Feather River, about 50 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 437 Comment
  JEPS108965  Plantago lanceolata Lowell Ahart 2006-9-13 13321 Butte South edge of the North Fork of the Feather River, about 50 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville 437 Comment
  UCD92193  Poa Robert E. Preston 1982-3-20 191 Butte along Hwy. 70, ca. 0.6 mile west of Cresta Power House. 451 Comment
  CAS-BOT-BC255064  Poa compressa John Thomas Howell 1973-7-9 49699 Butte Granite area near Bear Ranch Creek, Feather River Highway 457 Comment
  CHSC92585  Poa secunda subsp. secunda L. P. Janeway; Jamie Tuitele-Lewis, Matt Brown, Samantha Hillaire 2005-5-10 8386 Butte Northern High Sierra Nevada. Plumas National Forest; southeast-facing slope above North Fork Feather River between Lockerman Creek and Cedar Creek. 1116 Comment
  JEPS108569  Poa secunda subsp. secunda L. P. Janeway, J. Tuitele-Lewis, M. Brown, S. Mackey Hillaire 2005-5-10 8386 Butte Northern High Sierra Nevada. Plumas National Forest; southeast-facing slope above North Fork Feather River between Lockerman Creek and Cedar Creek 1116 Comment
  CHSC110452  Poa sierrae L. P. Janeway 2013-5-16 11101 Butte Northern High Sierra Nevada. Plumas National Forest; mid-slope North Fork Feather River canyon +/- overlooking Arch Rock and the Hwy 70 rest area, along Camp Creek Road 5.4 road km northeast of Dixie Road. 702 Comment
  CHSC110469  Poa sierrae L. P. Janeway 2013-5-20 11111 Butte Northern High Sierra Nevada. Plumas National Forest; mid-slope North Fork Feather River canyon 0.8 air km west-northwest of Cresta Powerhouse, along Camp Creek Road 0.2 road km northeast of Dixie Road. 646 Comment
  CHSC41188  Poa sierrae J. D. Jokerst 1984-6-4 2043 Butte Ca 100 meters east of Camp Creek. Canyon of the North Fork Feather River. 975 Comment
  JEPS120576  Poa sierrae L. P. Janeway 2013-5-16 11101 Butte Northern High Sierra Nevada. Plumas National Forest; mid-slope North Fork Feather River canyon + / - overlooking Arch Rock and the Hwy 70 rest area, along Camp Creek Road 5.4 road km northeast of Dixie Road. Comment
  JEPS120577  Poa sierrae L. P. Janeway 2013-5-20 11111 Butte Northern High Sierra Nevada. Plumas National Forest; mid-slope North Fork Feather River canyon 0.8 air km west-northwest of Cresta Powerhouse, along Camp Creek Road 0.2 road km northeast of Dixie Road. Comment
  RSA0108924  Poa sierrae Lawrence P. Janeway 2013-5-16 11101 Butte Northern High Sierra Nevada. Plumas National Forest; mid-slope North Fork Feather River canyon +/- overlooking Arch Rock and the Hwy 70 rest area, along Camp Creek Road 5.4 road km northeast of Dixie Road. 702 Comment
  CHSC31216  Polygonum aviculare M. S. Taylor 1980-10-6 3359 Butte N side of Hwy 70 in granitic gravel, ca. 1/4 mi w of Bear Creek jct with n fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel Rest Stop. 487 Comment
  CHSC94653  Polygonum aviculare Lowell Ahart 2006-9-28 13372 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 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
  JEPS110129  Polygonum lapathifolium Lowell Ahart 2006-9-28 13371 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  RSA724853  Polygonum lapathifolium L. Ahart 2006-9-28 13371 Butte E side of the N Fork of the Feather River, on the W side of Hwy 70, 50 yards SW of the Shady Rest Area S of the Arch Rock Tunnel. 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
  UC1586574  Polygonum phytolaccifolium Lowell Ahart 1991-8-25 6709 Butte along creek about 2 mi nw Four Trees (about 2 mi w of the Oroville-Quincy Hwy, about 2 mi e of Coyote Gap); Wildcat Creek 1219 Comment
  CDA22844  Polygonum punctatum L. Ahart 2006-10-8 13428 Butte East side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. Comment
  JEPS108863  Polygonum punctatum Lowell Ahart 2006-10-8 13428 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 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
  RSA724947  Polygonum punctatum L. Ahart 2006-10-8 13428 Butte E side of the N fork of the Feather River, just E of where the river flows into a pool, on the W side of Hwy 70, 1/2 mile N of Cresta Power House. 610 Comment
  SFV10663  Polypodium californicum M. L. Vincent 1964-4-8 510 Butte Sierra Nevada PG&E powerplant, Feather River Canyon. 2 miles northeast of new bridge. 475 Comment
  CHSC28414  Polypodium calirhiza M. S. Taylor 1979-9-28 2181 Butte Butte county line at Hwy 70, between boundry and Arch Rock tunnel. 487 Comment
  CHSC32692  Polypodium calirhiza M. S. Taylor 1981-3-24 3433 Butte S side of Hwy 70 opposite Cresta Powerhouse, ca. 2.4 mi e of Pulga. 487 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
  CHSC94854  Polypodium calirhiza Lowell Ahart 2006-9-28 13360 Butte South of Bear Ranch Creek, about 15 feet above the west side of the entrance to the tunnel, about 1/8 mile east of Highway 70, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel. 480 Comment
  CHSC97158  Polypodium calirhiza Lowell Ahart 2007-5-16 13892 Butte South of Bear Ranch Creek, about 15 feet above the west side of the entrance to the tunnel, about 1/8 mile east of Highway 70, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel.1 480 Comment
  JEPS110221  Polypodium calirhiza Lowell Ahart 2006-9-28 13360 Butte South of Bear Ranch Creek, about 15 feet above the west side of the entrance to the tunnel, about 1/8 mile east of Highway 70, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel 480 Comment
  JEPS113227  Polypodium calirhiza Lowell Ahart 2007-5-16 13892 Butte South of Bear Ranch Creek, about 15 feet above the west side of the entrance to the tunnel, about 1/8 mile east of Highway 70, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel.1 480 Comment
  RSA726480  Polypodium calirhiza L. Ahart 2007-5-16 13892 Butte About 1/8 mile east of Highway 70, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel. 481 Comment
  CDA9208  Polystichum imbricans D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .275 Plumas On sunny granitic cliffs just before w of tunnel on route 70 25 miles E of Oroville. Mark 85. Comment
  CHSC31021  Polystichum imbricans M. S. Taylor 1980-10-6 3355 Butte S side of Hwy 70, ca. 1/4 mi w of Bear Creek jct with n fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel rest stop. 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
  CHSC4183  Polystichum imbricans J. E. Bowlin 1967-3-8 2 Plumas Ca. 100 feet s of Oroville-Quincy highway and 100 yards w of Grizzly Dome, Oroville. 609 Comment
  CHSC28408  Polystichum imbricans subsp. curtum M. S. Taylor 1979-9-28 2202 Butte Butte county line at Hwy 70, between boundary and Arch Rock tunnel. 487 Comment
  CHSC4211  Polystichum imbricans subsp. curtum D. B. Joley 1967-3-8 6 Plumas Ca. 100 feet s of Oroville-Quincy highway and 100 yards w of Grizzly Dome, Oroville. 609 Comment
  CAS-BOT-BC72298  Polystichum imbricans subsp. imbricans M. S. Taylor 1979-9-28 2202 Butte Butte county line at Hwy 70, between boundary and Arch Rock Tunnel 487 Comment
  CHSC94838  Polystichum imbricans subsp. imbricans Lowell Ahart 2006-10-8 13442 Butte About 10 yards below a granite bolder, on the southwest side of Highway 70, east of the North Fork of the Feather River, about 1/2 mile north of the Cresta Power House. 609 Comment
  JEPS110225  Polystichum imbricans subsp. imbricans Lowell Ahart 2006-10-8 13442 Butte About 10 yards below a granite bolder, on the southwest side of Highway 70, east of the North Fork of the Feather River, about 1/2 mile north of the Cresta Power House 609 Comment
  RSA724943  Polystichum imbricans subsp. imbricans L. Ahart 2006-10-8 13442 Butte Steep area about 10 yards below and on the southwest side of Highway 70, east of the north Fork of the Feather River, about .5 mile north of Cresta Power house. 610 Comment
  CHSC37655  Polystichum munitum T. B. Devine 1981-8-25 758 Butte Beside Hwy 70 near Bear Ranch Creek, along N Fork of Feather River near Cresta. 426 Comment
  CHSC89027  Polystichum munitum H. Gray 2004-3-4 Plumas Plumas National Forest. Hwy. 70. 609 Comment
  CHSC45608  Potentilla glandulosa subsp. glandulosa L. P. Janeway 1987-5-20 2079 Butte Along Hwy 70 2.1 mi NE of Pulga Bridge; N Fk Feather River near Heinz Cr. 472 Comment
  CHSC45609  Potentilla glandulosa subsp. glandulosa L. P. Janeway 1987-5-20 2079 Butte Along Hwy 70 2.1 mi NE of Pulga Bridge; N Fk Feather River near Heinz Cr. 472 Comment
  CHSC23695  Potentilla glandulosa subsp. reflexa M. S. Taylor 1976-5-5 1115 Butte Ca. 50 ft s of Hwy 70, ca. 500 yds n of Bear Creek, ca. 30 mi ne of Oroville. Comment
  CHSC50421  Potentilla glandulosa subsp. reflexa Vernon Oswald; Lowell Ahart 1990-6-27 4332 Butte Rd 23N31 northwest of Four Trees Rd, between Four Trees and Coyote Gap. 1463 Comment
  CHSC43831  Prunella vulgaris var. lanceolata L. P. Janeway 1987-6-26 2316 Butte SW end of Logue Meadows. 1325 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
  CHSC28612  Pseudognaphalium thermale M. S. Taylor 1979-8-4 2176 Butte On Hwy 70, ca. 1 mi n of Cresta Powerhouse, ca. 30 mi n of Oroville. 487 Comment
  CHSC34817  Pseudostellaria sierrae M. S. Taylor 1981-5-14 3729 Butte E side of 23N30.2 along rd and ridge, ca. 1 mi se of Bear Ranch Hill, ca. 2 air mi nw of Four Trees on Oroville-Quincy Hwy. 1493 Comment
  CHSC71637  Pyrola dentata Vernon H. Oswald 1998-8-11 9461 Butte USFS 25N95 to Upper Wildcat Creek 0.3 mi north of Four Trees-Coyote Gap Rd. 1463 Comment
  JEPS93940  Pyrola dentata Vernon H. Oswald and Lowell Ahart 1998-8-11 9461 Butte USFS 25N95 to Upper Wildcat Creek 0.3 mi north of Four Trees-Coyote Gap Road 1463 Comment
  CHSC39794  Quercus chrysolepis Eloise Gallatin 1935-5-19 Butte Feather River Canyon. Comment
  CHSC39783  Quercus kelloggii Eloise Gallatin 1935-5-19 Butte Feather River Canyon. Comment
  CHSC46790  Ranunculus cymbalaria var. saximontanus R. Schlising 1987-9-27 4545 Butte Along N. Fork Feather River, ca 1.25 mi S of crossing of Bear Ranch Creek by Hwy 70. 463 Comment
  CHSC1528  Rhamnus ilicifolia E. Walker 1932-5-12 Butte Feather River Canyon. Comment
  SFV10396  Ribes laxiflorum M. L. Vincent 1968-6-10 835 Butte Sierra Nevada 1.2 miles south from Cresta Power House sign, North Fork Feather River. 460 Comment
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Dec 6 2013
  CAS-BOT-BC219220  Ribes nevadense Gladys L. Smith 1976-5-18 s.n. Plumas Right side of road going E, Lower Feather River Canyon 457 Comment
  CHSC27507  Ribes nevadense Susan M. Schulz 1978-4-23 18 Plumas Jct. of hwy. 70 and 149, n on 70 35.6 mi, n entrance of Elephant Butte Tunnel on Feather River Canyon. 609 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
  CHSC55408  Ribes nevadense Benn Cunningham 1991-4-20 Plumas Ca. 0.3 mi s of Rock Creek Dam and 6 ft w of Highway 70, 35 mi s of Greenville. 731 Comment
  CHSC59982  Ribes nevadense Sharol Lindenstein 1989-3-26 7 Butte Plumas Nat'l forest, Hwy 70, ca. 3.5 mi sw of Sugar Loaf Mt., 2 mi nw of Cresta Powerhouse. 701 Comment
  CAS-BOT-BC198958  Ribes roezlii var. roezlii M. S. Taylor 1982-5-23 4513 Butte S side of Hwy 70, vicinity of Arch Rock Tunnel ca. 0.5 mi SW of Butte-Plumas county line. 487 Comment
  CHSC4250  Ribes roezlii var. roezlii J. E. Bowlin 1967-3-24 33 Butte 0.3 mi NW of Cresta Powerhouse, Hwy 70. Comment
  CAS-BOT-BC363062  Rigiopappus leptocladus M. S. Taylor 1982-6-10 4623 Plumas S side of 23N72, 1/2 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth 1645 Comment
  CHSC36917  Rigiopappus leptocladus M. S. Taylor 1982-6-10 4623 Plumas S side of 23N72, 1/2 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. 1645 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
  CHSC35969  Rorippa nasturtium-aquaticum M. S. Taylor 1982-5-23 4509 Butte In ditch under seep, s side of Hwy 70 at e side of Arch Rock Tunnel, ca. 1/2 mi sw of Butte-Plumas county line. 487 Comment
  CHSC35970  Rubus armeniacus M. S. Taylor 1982-5-23 4516 Butte N side of Hwy 70, vicinity of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas county line. 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
  CHSC48872  Rubus parviflorus Vernon Oswald 1984-5-23 1206 Butte Calif. Hwy 70 at Heinz Creek, 0.5 mi n-e of Poe Power House. Near the creek. 463 Comment
  CHSC52475  Rubus parviflorus L. P. Janeway 1987-5-20 2078 Butte Along Heinz Cr along hwy 70 2.1 mi NE of Pulga bridge. 457 Comment
  CHSC48262  Sagina saginoides Vernon Oswald 1984-5-23 1199 Butte Near the falls on Bear Ranch Creek s-e of Calif. Hwy 70 at the Cresta Rest Area. 512 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
  CHSC32675  Salix lasiolepis M. S. Taylor 1981-3-24 3434 Butte S side of Hwy 70 at creek entrance opposite Cresta Powerhouse, ca. 2 mi e of Pulga. 487 Comment
  CHSC37770  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
  CHSC48019  Sambucus mexicana Vernon Oswald 1985-7-30 1915 Butte Four Trees-Coyote Gap Rd. 1.8 mi W of Four Trees. 1463 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
  CHSC24681  Saxifraga californica Keith Lickey 1976-4-17 76 Plumas Hwy 70 at sw entrance of Grizzly Dome Tunnel; at Grizzly Creek. 914 Comment
  CHSC102597  Schedonorus arundinaceus L. P. Janeway; B. Castro 2009-7-4 9840 Butte Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin. 1469 Comment
  RSA770096  Schedonorus arundinaceus L. P. Janeway, B. Castro 2009-7-4 9840 Butte Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin. 1469 Comment
  CHSC56802  Scirpus congdonii L. P. Janeway 1987-6-26 2309 Butte 2.5 mi east of Granite Ridge along road to Lynch and Logue Meadows; near where the road crosses Camp Creek. 1365 Comment
  CHSC1900  Scrophularia californica subsp. floribunda L. Oliver; D. Sloan 1935-4-20 Butte Feather River Canyon. 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
  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
  CHSC60280  Sedum spathulifolium Kathleen McShea 1992-4-23 19 Butte Ca 3.8 mi s of Arch Rock Tunnel on Hwy 70. 45 mi sw of Quincy. 640 Comment
  CAS-BOT-BC69727  Selaginella wallacei M. S. Taylor 1979-9-28 2193 Butte Butte County Line at Hwy 70, between boundary and Arch Rock tunnel. 487 Comment
  CHSC28413  Selaginella wallacei M. S. Taylor 1979-9-28 2193 Butte Butte county line at Hwy 70, between boundry and Arch Rock tunnel. 487 Comment
  CHSC32525  Selaginella wallacei M. S. Taylor; L. Hanson 1981-3-5 3400 Plumas S side of Hwy 70, near Butte-Plumas county line. 548 Comment
  HSC72949  Selaginella wallacei M. S. Taylor 1980-9-27 3345 Butte S side of Hwy. 70 at Butte-Plumas Co. line 549 Comment
  CHSC71634  Senecio triangularis Vernon H. Oswald; Lowell Ahart 1998-8-11 9464 Butte USFS 28N35 at a branch of Wildcat Creek ca. 1 mi north of Four Trees-Coyote Gap Rd. Along the edge of the creek. 1396 Comment
  CHSC28431  Sericocarpus oregonensis M. S. Taylor 1979-9-28 2196 Butte Butte county line at Hwy 70, between boundary and Arch Rock tunnel. 487 Comment
  CHSC55182  Sericocarpus oregonensis L. P. Janeway 1989-9-29 3647 Plumas Low in canyon of North Fork Feather River at Rock Creek. 548 Comment
  CHSC94676  Setaria parviflora Lowell Ahart 2006-9-28 13383 Butte On the east side of the North Fork of the Feather River, on the west side of Hightway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  JEPS110277  Setaria parviflora Lowell Ahart 2006-9-28 13383 Butte On the east side of the North Fork of the Feather River, on the west side of Hightway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  RSA724851  Setaria parviflora L. Ahart 2006-9-28 13383 Butte on the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CAS-BOT-BC240123  Setaria pumila Lowell Ahart 1981-9-19 3190 Butte Cresta Power House 550 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
  CHSC100865  Sidalcea gigantea B. Castro; David Toren 2005-7-21 1520 Butte Ca 9 air mi NE of Paradise, and 2.5 mi NE of Flea Mtn, at the crossing of Lockerman Ck by USFS Rd 24N13. Ca 200 ft from W edge of ck. 950 Comment
  CHSC100866  Sidalcea gigantea B. Castro; David Toren 2005-7-21 1520 Butte Ca 9 air mi NE of Paradise, and 2.5 mi NE of Flea Mtn, at the crossing of Lockerman Ck by USFS Rd 24N13. Ca 200 ft from W edge of ck. 950 Comment
  CHSC33518  Sidalcea gigantea R. A. Schlising; R. Banchero, K. Tarp 1981-7-11 4140 Butte NE part of county, E of Fork of Feather River and NE of Coyote Gap. On Four Trees Road. 1447 Comment
  CHSC61792  Sidalcea gigantea Lowell Ahart 1993-10-3 7269 Butte Along the sides of the west branch of Wildcat Creek, about 2 miles north-east of Coyote Gap. 1402 Comment
  CHSC91991  Sidalcea gigantea L. P. Janeway 2005-9-4 8532 Butte Northern High Sierra Nevada. Between Road 24N13 and a north-eastern tributary to upper Lockerman Creek; about 1.3 km south of Logue Meadows. 1329 Comment
  CHSC91992  Sidalcea gigantea L. P. Janeway 2005-9-4 8534 Butte Northern High Sierra Nevada. Along Road 24N13 crossing an uppermost small branch of Lockerman Creek; 0.6 km south-southwest of Logue Meadows. 1337 Comment
  JEPS104599  Sidalcea malviflora Lowell Ahart 1993-10-3 7269 Butte W branch of Wildcat Creek, about 2 mi NE of Coyote Gap 1402 Comment
  JEPS104600  Sidalcea malviflora Lowell Ahart 1993-10-3 7269 Butte W branch of Wildcat Creek, about 2 mi NE of Coyote Gap 1402 Comment
  RSA739637  Sidalcea malviflora subsp. celata B. Castro, David Toren 2005-7-21 1520 Butte 9 air miles NE of Paradise, 2.5 miles NE of Flea Mtn, at the crossing of Lockerman Creek by USFS road 24N13. 951 Comment
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Aug 6 2019
  CHSC46829  Silene antirrhina R. A. Schlising 1985-6-7 4470 Butte NE part of county, along Hwy 70 in canyon of North Fork, Feather River. On trail from road to river. 487 Comment
  CAS-BOT-BC389007  Silene laciniata subsp. californica Mrs. Eva Pattee 1923-5-15 s.n. Butte Shady Rest near Cresta Comment
  CHSC31020  Silene laciniata subsp. californica M. S. Taylor 1980-10-6 3353 Butte S side of Hwy 70, ca. 1/4 mi w of Bear Creek jct with N fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel rest stop. 487 Comment
  CHSC20428  Silene lemmonii 1974-5-8 Butte Feather River Canyon. Comment
  CHSC25355  Silene lemmonii Marc P. Hayes 1977-4-22 11 Butte Along Hwy 70 ca. 3 km nw of Butte-Plumas county line, ca. 22 km nw of Paradise. 485 Comment
  CHSC32665  Silene lemmonii M. S. Taylor 1981-3-24 3436 Butte S side of Hwy 70, ca. 1/2 mi w of Cresta Powerhouse, ca. 1.5 mi e of Pulga. 487 Comment
  CHSC91476  Silene lemmonii L. P. Janeway 2005-6-26 8438 Butte Northern High Sierra Nevada. In young timber plantation along Road 24N13 at Plumas County line; ridge between Lockerman Creek and Cedar Creek. 1305 Comment
  RSA715709  Silene lemmonii L. P. Janeway 2005-6-26 8438 Butte Northern High Sierra Nevada. In young timber plantation along Road 24N13 at Plumas County line; ridge between Lockerman Creek and Cedar Creek. 1305 Comment
  CHSC33224  Sisymbrium orientale R. E. Preston 1981-6-2 81 Butte At roadside. On s side of Hwy 70 across from power company rest area, ca. 38 km nne of Oroville. 488 Comment
  CHSC28529  Solanum americanum M. S. Taylor 1979-9-28 2195 Butte Butte County line at Hwy 70, between boundary and Arch Rock tunnel. 487 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
  CHSC94654  Solanum americanum Lowell Ahart 2006-9-28 13377 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  JEPS110130  Solanum americanum Lowell Ahart 2006-9-28 13377 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 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
  RSA724846  Solanum americanum L. Ahart 2006-9-28 13377 Butte on the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 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
  UCR88751  Solanum americanum J. T. Howell 1959-9-26 35083 Butte Arch Rock, N Fork Feather River 457 Comment
  CHSC92145  Sorbus scopulina L. P. Janeway 2005-9-4 8533 Plumas Northern High Sierra Nevada. Between Road 24N13 and a northeastern tributary to upper Lockerman Creek; about 1.3 km south of Logue Meadows. 1329 Comment
  CHSC30281  Sorghum halepense M. S. Taylor 1979-10-28 2203 Butte Butte County line at Hwy 70, between boundary and Arch Rock tunnel. 487 Comment
  CHSC28497  Spergularia rubra M. S. Taylor 1979-7-4 2182 Butte On s side of Hwy 70, ca. 1 mi n of Cresta Powerhouse, ca. 30 mi n of Oroville. 487 Comment
  CHSC31224  Spergularia rubra M. S. Taylor 1980-10-6 3360 Butte N side of Hwy 70, 1/4 mi w of Bear Creek jct with N fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel Rest Stop. 487 Comment
  CHSC94600  Spergularia rubra Lowell Ahart 2006-9-11 13280 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
  CHSC94891  Spergularia rubra Lowell Ahart 2006-9-28 13367 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CHSC42801  Spiraea douglasii L. P. Janeway 1987-6-26 2317 Butte SW end of Logue Meadows. 1325 Comment
  CHSC42980  Stachys ajugoides var. rigida L. P. Janeway 1987-6-26 2315 Butte SW end of Logue Meadows. 1325 Comment
  CHSC94616  Stachys pycnantha Lowell Ahart 2006-9-11 13286 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
  CHSC99986  Stachys pycnantha L. P. Janeway; Heather Koeth, David Toren 2008-9-16 9598 Plumas Northern High Sierra Nevada. Along the powerline road 500 m northwest of North Fork Feather River, 2.0 air km north of Arch Rock Hwy 70 Rest Area. At southeast-facing small creeklet and seep complex along the dirt road. 768 Comment
  JEPS108973  Stachys pycnantha Lowell Ahart 2006-9-11 13286 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
  RSA0109093  Stachys pycnantha L. Ahart 2006-9-11 13286 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
  CHSC61787  Stellaria crispa Lowell Ahart 1993-10-3 7268 Butte At a spring, on the south side of the west branch of Wildcat Creek, about 2 miles north-east of Coyote Gap. 1402 Comment
  UC1609330  Stellaria crispa Lowell Ahart 1993-10-3 7268 Butte about 2 mi ne Coyote Gap (w branch of Wildcat Creek, on the s side) 1402 Comment
  CHSC62435  Stephanomeria paniculata L. P. Janeway 1993-9-22 4597 Butte Plumas National Forest. Canyon of North Fork Feather River; along dirt road to Bear Ranch Creek falls from Hwy 70. 487 Comment
  CHSC62437  Stephanomeria paniculata L. P. Janeway 1993-9-3 4579 Butte Plumas National Forest. Along dirt road to Bear Ranch Creek falls from Hwy 70; in canyon of North Fork Feather River. 487 Comment
  CHSC29806  Stephanomeria virgata subsp. pleurocarpa M. S. Taylor 1979-8-4 2173 Butte Ca. 1 mi n of Cresta Powerhouse on Hwy 70, ca. 30 mi n of Oroville. 457 Comment
  CHSC61773  Stephanomeria virgata subsp. pleurocarpa Vernon H. Oswald 1993-8-31 5886 Butte Hwy. 70 at Cresta Rest (near the Butte-Plumas county line), along the PG and E service road to the falls on Bear Ranch Creek. On a bank near the bottom of the road. 457 Comment
  CHSC48352  Streptanthus polygaloides Vernon Oswald 1985-4-21 1715 Butte Along the WPRR between Pulga and Dogwood Creek. 457 Comment
  CAS-BOT-BC87797  Streptanthus tortuosus Lewis S. Rose 1963-6-2 63080 Plumas North Fork of Feather River. Rock Creek. 640 Comment
  CAS-BOT-BC87798  Streptanthus tortuosus Lewis S. Rose 1939-6-7 39255 Plumas Feather River, 3 miles north of Pulga. 518 Comment
  CHSC33187  Streptanthus tortuosus R. E. Preston 1981-6-2 79 Butte Ca. 400 m w of Butte/Plumas county line, on s side of Hwy 70, ca. 41 km nne of Oroville. 488 Comment
  GH422284  Streptanthus tortuosus L. S. Rose 1939-6-7 39255 Unknown Feather River, 3 mi. n. of Pulga 518 Comment
  RSA169402  Streptanthus tortuosus L. S. Rose 1963-6-2 63080 Plumas Rock Creek, N Fork of Feather River. 640 Comment
  UC1601618  Streptanthus tortuosus Lewis S. Rose 1939-6-7 39255 Plumas 3 mi n Pulga; Feather River 518 Comment
  UCD116316  Streptanthus tortuosus R. E. Preston 1996-5-22 938 Butte along Highway 70, 0.1 mile west of access to Cresta Powerhouse. 457 Comment
  CHSC92582  Streptanthus tortuosus var. orbiculatus L. P. Janeway; Matt Brown 2005-5-17 8391 Butte Northern High Sierra Nevada. Plumas National Forest; opening granite ridgetop 0.3 km west of Cedar Creek and 2.6 km north-northwest of the mouth of Cedar Creek at North Fork Feather River. 1295 Comment
  CHSC92591  Streptanthus tortuosus var. orbiculatus L. P. Janeway 2005-6-26 8435 Butte Northern High Sierra Nevada. Open granite ridgetop 0.3 km west of Cedar Creek and 2.6 km north-northwest of the mouth of Cedar Creek at North Fork Feather River. 1295 Comment
  HSC96694  Streptanthus tortuosus var. orbiculatus L. P. Janeway 2005-6-26 8435 Butte N High Sierra Nevada, 0.3 km W of Cedar Creek, 2.6 km NNW of the mouth of Cedar Creek at N Fork Feather River 1295 Comment
  HSC96704  Streptanthus tortuosus var. orbiculatus L. P. Janeway, Matt Brown 2005-5-17 8391 Butte N High Sierra Nevada, Plumas National Forest, 0.3 km W of Cedar Creek, 2.6 km NNW of the mouth of Cedar Creek at N Fork Feather River 1295 Comment
  CHSC93178  Streptanthus tortuosus var. tortuosus L. P. Janeway 1994-6-17 4666 Butte Northern High Sierra Nevada. Northwest side of canyon of North Fork Feather River, +-overlooking Cresta; along Pulga Road (Camp Creek Road) 6.1 mi northeast of Pulga Bridge (Hwy 70). Southeast-facing road cutbank. 670 Comment
  CHSC20587  Styrax officinalis var. redivivus Robert A. Schlising 1965-5-15 2820 Plumas Along highway 70, 3.7 miles north of county line; in valley of North Fork, Feather River. Comment
  CHSC37629  Styrax officinalis var. redivivus T. B. Devine 1979-10-5 596 Butte Feather River Canyon, S of Hwy 70 along Bear Ranch Creek, 3/4 mi S of Arch Rock Tunnel, adjacent to PG and E rest stop. 548 Comment
  CHSC37654  Styrax officinalis var. redivivus T. B. Devine 1981-8-25 757 Butte Beside Hwy 70 near Bear Ranch Creek, along N fork of Feather River near Cresta. 426 Comment
  CHSC49444  Styrax officinalis var. redivivus Vernon Oswald 1984-5-23 1203 Butte Beside the dirt road leading to the falls on Bear Ranch Creek s-e of Calif. Hwy 70 at the Cresta Rest Area. 487 Comment
  CAS-BOT-BC48054  Styrax redivivus John Thomas Howell 1973-7-9 49700 Butte Feather River Highway near Bear Ranch Creek. 457 Comment
  CAS-BOT-BC48057  Styrax redivivus M. S. Taylor 1982-5-23 4511 Butte S side of Hwy 70, near Arch Rock Tunnel, ca. 1/2 mi sw of Butte-Plumas county line. Pulga SW quad. 487 Comment
  CAS-BOT-BC48061  Styrax redivivus Mrs. Eva Pattee 1923-5-15 s.n. Butte Shady Rest near Cresta Comment
  GH384787  Styrax redivivus J. T. Howell 1973-7-9 49700 Unknown Feather River Highway near Bear Ranch Creek 457 Comment
  CHSC27722  Symphyotrichum bracteolatum Robert A. Schlising 1978-10-10 3342 Butte Highway 70, Feather River Canyon, just south of Arch Rock Tunnel at P.G. and E. Roadside Rest area. Comment
  CHSC34167  Symphyotrichum bracteolatum Lowell Ahart 1981-9-19 3179 Butte Along edge of Hwy 70, just a few feet N of Arch Rock Tunnel, ca. 10 m S of Storrie. 550 Comment
  CHSC99985  Symphyotrichum bracteolatum L. P. Janeway; Heather Koeth, David Toren 2008-9-16 9599 Plumas Northern High Sierra Nevada. Along the powerline road 500 m northwest of North Fork Feather River, 2.0 air km north of Arch Rock Hwy 70 Rest Area. At southeast-facing small creeklet and seep complex along the dirt road. 768 Comment
  CAS-BOT-BC99037  Symphyotrichum cusickii Lowell Ahart 1981-9-18 3179 Butte Sierra Nevada - Arch Rock Tunnel, Hwy. 70 550 Comment
  CAS-BOT-BC99046  Symphyotrichum cusickii John Thomas Howell 1961-9-22 36791 Butte Sierra Nevada - North Fork Feather River at ARch Rock Tunnel Comment
  CHSC110455  Tellima grandiflora L. P. Janeway 2013-5-19 11110 Butte Northern High Sierra Nevada. Southeast-facing slope of inner canyon of North Fork Feather River +/- overlooking Cresta, along Camp Creek Road 1.7 road km northeast of Dixie Road. 670 Comment
  CHSC25350  Tellima grandiflora Mark P. Hayes 1977-4-22 14 Butte Ca. .5 km sw of Heinz Crk., along small creek, ca. 200 m from its confluence and North Fork of Feather River. 450 Comment
  CHSC4670  Tellima grandiflora R. Carter 1966-4-28 373 Butte Found in Feather R. Canyon ca. 7 mi. N Jarbo Gap at intersection Hwy. 70 and 23N28; ca 100 yds. up 23N28 on E side of road. 640 Comment
  CAS-BOT-BC77718  Thelypteris nevadensis M. S. Taylor 1981-5-21 3782 Butte Jct of Camp Creek, ca. 4 mi n of Pulga on Feather River hwy 70 1005 Comment
  CHSC33975  Thelypteris nevadensis M. S. Taylor 1981-5-21 3782 Butte Jct of Camp Creek and rd 23N10, ca. 4 mi n of Pulga on Feather River Hwy 70. 1005 Comment
  CHSC24966  Thysanocarpus curvipes var. curvipes R. W. Crum 1976-4-19 20 Plumas 25 yds s side of Hwy 70, 15.5 mi ssw of Beldon. 640 Comment
  CHSC35747  Thysanocarpus curvipes var. elegans R. E. Preston 1982-4-29 269 Butte At side of Hwy 70, ca. 0.2 mi s of Butte/Plumas Co. line. 487 Comment
  CAS-BOT-BC239791  Torreyochloa pallida var. pauciflora G. Schoolcraft 1997-8-5 2630 Plumas Rock Creek 1746 Comment
  UCD116967  Toxicodendron diversilobum R. C. Burness 1970-5-23 65 Butte 6 miles southeast of Stirling City on Ragdump Road to Rudd's cabin on Feather River branch. 762 Comment
  CHSC43028  Trautvetteria caroliniensis var. occidentalis L. P. Janeway 1987-6-26 2314 Butte At SW end of Logue Mdws. 1325 Comment
  CHSC58950  Trautvetteria caroliniensis var. occidentalis Lowell Ahart 1992-7-27 6867 Butte Along the edge of Wildcat Creek, about 2 miles north-west of Four Trees, about 2 miles west of the Oroville-Quincy Highway, about 2 miles north-east of Coyote Gap. 1219 Comment
  CHSC94602  Tribulus terrestris Lowell Ahart 2006-9-13 13328 Butte South of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, poor road on the north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 452 Comment
  JEPS108967  Tribulus terrestris Lowell Ahart 2006-9-13 13328 Butte South of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, poor road on the north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville 452 Comment
  RSA725006  Tribulus terrestris L. Ahart 2006-9-13 13328 Butte South of the North Fork of the Feather River, about 100 yrds west of the Cresta Power House, poor road on the north side of Hwy 70, about 2.75 miles NE of Pulga, about 23 miles (air) northeast of Oroville. 452 Comment
  CHSC1406  Trientalis latifolia R. Carter 1964-5-16 99 Butte Feather R. Canyon, 1/4 mi. W of Cresta powerhouse on S. side of Hwy. 40A. 670 Comment
  CHSC23707  Trientalis latifolia M. S. Taylor 1976-5-5 1121 Butte Ca. 4 ft n of Bear Creek and waterfall, ca. 1/4 mi s of Hwy 70, ca. 30 mi ne of Oroville. Comment
  CHSC52119  Trientalis latifolia John P. McKeon 1980-4-19 3 Plumas Ca. 20 m e of Rock Creek, .5 km nw of Feather River, 5 km e of Plumas-Butte County line. 600 Comment
  CHSC48585  Trifolium arvense Vernon Oswald; Bruce Baldwin 1988-6-16 3389 Butte Camp Creek Rd. ca. 0.5 mi ene of Pulga. 512 Comment
  CHSC94888  Trifolium hybridum Lowell Ahart 2006-9-28 13369 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CHSC23279  Trifolium microcephalum Robert A. Schlising 1964-6-12 2730 Butte 9.5 miles south of Injun Jim Camp (in Plumas Co. near Tobin) along Alt. Hwy. 40 and Feather River. Comment
  CHSC35971  Trifolium microcephalum M. S. Taylor 1982-5-23 4515 Butte On n side of Hwy 70, just e of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas county line. 487 Comment
  CHSC30643  Trifolium obtusiflorum M. S. Taylor 1979-8-4 2179 Butte Ca. 1 mi n of Cresta Powerhouse on Hwy 70, ca. 30 mi n of Oroville. 487 Comment
  CHSC94890  Trifolium obtusiflorum Lowell Ahart 2006-9-28 13370 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  JEPS110126  Trifolium obtusiflorum Lowell Ahart 2006-9-28 13370 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  SEINET12765120  Trifolium obtusiflorum Lowell Ahart 2006-9-28 13370 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel.; 0 445 Comment
  CHSC94604  Trifolium pratense Lowell Ahart 2006-9-13 13329 Butte South of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, poor road on the north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 452 Comment
  JEPS110299  Trifolium pratense Lowell Ahart 2006-9-13 13329 Butte South of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, poor road on the north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville 452 Comment
  CHSC97142  Trifolium variegatum Lowell Ahart 2006-9-13 13332 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
  JEPS113790  Trifolium variegatum Lowell Ahart 2006-9-13 13332 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
  UCSC011158  Trifolium variegatum Lowell Ahart 2006-9-13 13332 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 northeast of Oroville 432 Comment
  CHSC25347  Trifolium willdenovii Marc P. Hayes 1977-4-22 17 Butte Ca. 50 m s of Butte-Plumas county line, along Hwy 70 and North Fork Feather River. 500 Comment
  CAS-BOT-BC199686  Trisetum canescens G. Schoolcraft 1997-8-5 2634 Plumas Rock Creek 1746 Comment
  CHSC59062  Trisetum canescens Lowell Ahart 1992-7-27 6866 Butte Near Wildcat Creek, about 2 miles north-west of Four Trees, about 2 miles west of the Oroville-Quincy Highway, about 2 miles north-east of Coyote Gap. 1219 Comment
  UC1594671  Trisetum canescens Lowell Ahart 1992-7-27 6866 Butte about 2 mi nw Four Trees (near Wildcat Creek, about 2 mi w of the Oroville-Quincy Highway, about 2 mi ne of Coyote Gap) 1219 Comment
  CHSC102607  Triteleia hyacinthina L. P. Janeway; B. Castro 2009-7-4 9838 Butte Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin. 1469 Comment
  JEPS116649  Triteleia hyacinthina L. P. Janeway, B. Castro 2009-7-4 9838 Butte Along Four Trees Road 3.4 road km east of Coyote Gap Soapstone Hill (at head of minor drainage into Clear Creek, head of French Creek Basin); Northen High Sierra Nevada 1469 Comment
  CHSC28685  Turritis glabra M. S. Taylor 1976-5-5 1123 Butte Hillside, ca. 15 ft s of Hwy 70, ca. 1/8 mi n of Bear Creek, ca. 30 mi ne of Oroville. Comment
  CHSC33188  Turritis glabra R. E. Preston 1981-6-2 82 Butte On e shoulder of Hwy 70, ca. 400 m e of Cresta power house, ca. 37 km nne of Oroville. 464 Comment
  CHSC59986  Umbellularia californica Sharol Lindenstein 1989-3-26 6 Butte Plumas Nat'l Forest, Hwy 70, ca. 3.5 mi sw of Sugar Loaf Mt., 2 mi nw of Cresta Powerhouse. 701 Comment
  GH381309  Umbellularia californica R. T. Clausen 1964-7-20 641086 Unknown near mouth of Rock Creek, west of railroad, about 38 km. northeast of Pulga Comment
  CHSC62452  Vaccinium membranaceum L. P. Janeway; Josephine Guardino 1993-9-18 4591 Butte Plumas National Forest. Top of ridge between North Fork Feather River and French Creek basin. About 0.1 mi north of 4-Trees Road; ca 1.25 mi northeast of Coyote Gap. 1463 Comment
  CHSC97239  Verbascum virgatum Lowell Ahart 2007-6-3 13980 Butte On both sides of Highway 70, about 1/4 mile northeast of the Poe Dam on the North Fork of the Feather River. 486 Comment
  JEPS113456  Verbascum virgatum Lowell Ahart 2007-6-3 13980 Butte On both sides of Highway 70, about 1/4 mile northeast of the Poe Dam on the North Fork of the Feather River 486 Comment
  CHSC71656  Veronica americana Vernon H. Oswald; Lowell Ahart 1998-8-11 9467 Butte USFS 28N35 at a branch of Wildcat Creek ca. 1 mi north of Four Trees-Coyote Gap Rd. 1396 Comment
  CHSC94646  Veronica anagallis-aquatica Lowell Ahart 2006-9-28 13375 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  JEPS110260  Veronica anagallis-aquatica Lowell Ahart 2006-9-28 13375 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  RSA724852  Veronica anagallis-aquatica L. Ahart 2006-9-28 13375 Butte East side of the North Fork of the Feather river, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CDA6489  Veronica catenata L. Ahart 2006-9-28 13376 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. Comment
  CHSC94619  Veronica catenata Lowell Ahart 2006-9-11 13295 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
  CHSC94651  Veronica catenata Lowell Ahart 2006-9-28 13376 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CHSC94666  Veronica catenata Lowell Ahart 2006-10-8 13426 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment
  JEPS108950  Veronica catenata Lowell Ahart 2006-9-11 13295 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
  JEPS108992  Veronica catenata Lowell Ahart 2006-10-8 13426 Butte Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 Comment
  JEPS110122  Veronica catenata Lowell Ahart 2006-9-28 13376 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  RSA724854  Veronica catenata L. Ahart 2006-9-28 13376 Butte East side of the North Fork of the Feather river, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  RSA724945  Veronica catenata L. Ahart 2006-10-8 13426 Butte East side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Hwy 70, about 0.5 mile north of the Cresta Power House. 610 Comment
  SBBG119814  Veronica catenata L. Ahart 2006-9-28 13376 Butte E side of the N Fk of the Feather River, on the W side of the Shady Rest Area, S of the Arch Rock Tunnel 445 Comment
  CHSC33239  Viola sheltonii R. A. Schlising 1981-3-9 3999 Butte North Fork of Feather River, along Hwy 70 near Pacific Gas and Electric rest-stop. 487 Comment
  CHSC41171  Vulpia microstachys var. pauciflora L. P. Janeway 1984-9-10 Butte Plumas N.F. ECOS plot 11-044. Along county road 52515A above Mayaro and N Fk Feather River. 762 Comment
  CAS-BOT-BC77796  Woodwardia fimbriata John Thomas Howell 1973-7-9 49697 Butte near Bear Ranch Creek, Feather River Highway 457 Comment
  CHSC28627  Woodwardia fimbriata M. S. Taylor 1979-3-19 1932 Butte Ca. 1 1/2 mi e of Pulga bridge on Hwy 70 over Feather River, ca. 25 mi n of Oroville. 487 Comment
  CHSC30998  Woodwardia fimbriata M. S. Taylor 1980-10-6 3354 Butte S side of Hwy 70, ca. 1/4 mi w of Bear Creek jct with n fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel rest stop. 487 Comment
  CHSC90967  Woodwardia fimbriata L. P. Janeway; J. Tuitele-Lewis, M. Brown, S. Mackey Hillaire 2005-5-4 8380 Butte Northern High Sierra Nevada. Plumas National Forest; Half way between Dogwood Creek and Camp Creek, along a minor tributary of Camp Creek; between Roads 23N02 and 24N13. 1021 Comment
  CHSC94724  Woodwardia fimbriata Lowell Ahart 2006-9-28 13361 Butte South side of Bear Ranch Creek, at the entrance to the tunnel, about 1/8 mile east of Highway 70, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel. 480 Comment
  JEPS110222  Woodwardia fimbriata Lowell Ahart 2006-9-28 13361 Butte South side of Bear Ranch Creek, at the entrance to the tunnel, about 1/8 mile east of Highway 70, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel 480 Comment
  RSA718952  Woodwardia fimbriata L. Ahart 2006-9-28 13361 Butte South side of Bear Ranch Creek, at the entrance to the tunnel, about 1/8 mile east of Highway 70, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel 481 Comment
  UC1070487  Wyethia mollis G. T. Nordstrom 1934-7-11 215 Plumas 1.25 mi w Bucks Mtn.; Plumas National Forest, Bidwell Bar Quad. 1676 Comment
  CHSC94593  Xanthium strumarium Lowell Ahart 2006-9-11 13278 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
  JEPS108957  Xanthium strumarium Lowell Ahart 2006-9-11 13278 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
  RSA724816  Xanthium strumarium L. Ahart 2006-9-11 13278 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
  CHSC33515  Xerophyllum tenax R. A. Schlising; R. Banchero, K. Tarp 1981-7-11 4143 Butte NE part of county, E of N Fork of Feather River and NE of Coyote Gap, on Bear Ranch Hill Road, 0.5 mi N of jct with Four Trees Road. 1463 Comment
  CHSC42999  Xerophyllum tenax Lowell Ahart 1987-7-8 5816 Butte Along a side road near Walker Plains Road, about 1 1/2 miles north-east of Coyote Gap, about 6 miles north-east of Pulga. 1341 Comment
  CHSC94789  Zeltnera venusta Lowell Ahart 2006-10-8 13432 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 609 Comment



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