39.75740 39.85740 -121.43090 -121.33090 UC/JEPS: Consortium Search Results
Search Results — 834 specimen records retrieved (834 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/).
 Records are made available under the CCH Data Use Terms.

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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
  CAS-BOT-BC210634  Achnatherum lemmonii Lowell Ahart 1987-7-8 5793 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga 1280 Comment
  CHSC42933  Achnatherum lemmonii Lowell Ahart 1987-7-8 5793 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga. 1280 Comment
  CHSC74035  Achnatherum nelsonii subsp. dorei B. Castro; Linnea Hanson 1996-5-24 665 Butte Ca 4 air mi E of North Fork Feather River, ca 0.5 mi S of Coyote Gap, on W side of sharp curve in USFS Rd 23N00. 1216 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
  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-BC13344  Agoseris retrorsa Clarence Roy Quick 1941-6-7 s.n. Butte Big Bar Mt Comment
  CAS-BOT-BC447795  Agrimonia gryposepala Clarence Quick 1940-7-20 40 -96 Butte Big Bar Mt., E. of Feather River at Pulga; from Big Bar Lookout. 2-3 miles towards Brush Creek Comment
  CHSC45746  Agrimonia gryposepala L. P. Janeway 1988-7-2 2958 Butte Along rd to Coyote Gap 2.6 mi from bridge on French Creek. 982 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
  CAS-BOT-BC127364  Agrostis exarata Lowell Ahart 1987-7-8 5799 Butte Along Big Bar Mountain Road, about 3 miles southwest of Coyote Gap, southeast of Pulga. 1280 Comment
  CHSC42996  Agrostis exarata Lowell Ahart 1987-7-8 5799 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga. 1280 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
  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
  CAS-BOT-BC135817  Allium jepsonii B. Castro 1993-8-3 491 Butte Ca 1 mi S of Big Bar Mtn., 0.5 mi SE of Hungry Hunt Peak, on USFS rd 22N83 ca 0.1 mi W of its jcn with Rd 23N28. 1127 Comment
  CHSC62602  Allium jepsonii B. Castro 1993-8-5 492 Butte On saddle between Big Bar Mtn and Hungry Hunt Peak, on WSW-facing slope below N edge of sharp curve in USFS Rd 23N28. 1133 Comment
  CHSC62604  Allium jepsonii B. Castro 1993-8-3 491 Butte Ca 1 mi S of Big Bar Mtn, 0.5 mi SE of Hungry Hunt Peak, on USFS Rd 22N83 ca 0.1 mi W of its jcn with Rd 23N28. 1127 Comment
  CHSC74028  Allium jepsonii E. Hubert 1997-7-23 Butte Ca 7 air mi NW of Brush Ck, 0.5 mi E of Hungry Hunt Peak, 50 ft W of USFS Rd 23N28. 1103 Comment
  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
  CHSC55052  Anaphalis margaritacea Lowell Ahart 1991-8-25 6710 Butte On the north side of Four Trees Road, near a small branch of Mill Creek, about 5 miles east of Highway 70. 1066 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
  CHSC71629  Apocynum androsaemifolium Vernon H. Oswald; Lowell Ahart 1998-8-11 9470 Butte Four Trees-Coyote Gap Rd. 1.3 mi west of Four Trees. 1524 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
  CHSC1432  Aquilegia formosa var. truncata E. Walker 1932-5-9 Butte Feather River Canyon. 609 Comment
  CHSC52190  Aquilegia formosa var. truncata Kirsten Tarp 1982-7-28 234 Butte Ca. 1.4 mi SE of Pulga. 804 Comment
  CHSC52191  Aquilegia formosa var. truncata Kirsten Tarp 1982-7-28 236 Butte Ca. 23.5 air mi E of Chico. 1219 Comment
  CAS-BOT-BC167246  Aralia californica Clarence R. Quick 1952-7-1 52 -116 Butte Mill Creek Road between Feather River Highway and Coyote Gap 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
  CHSC34805  Arctostaphylos mewukka subsp. truei M. S. Taylor 1981-5-13 3701 Butte Above Foreman Creek, ca. 0.5 mi W of 23N5.5, ca. 1.5 mi S of its jct with Four Trees Rd, ca. 0.5 mi W of Oroville-Quincy Hwy, ca. 2 air mi W of Elks Retreat. 1310 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
  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-BC48286  Arctostaphylos viscida subsp. viscida C. R. Quick 1941-7-23 41 -17 Butte Big Bar Mt. Meadow Comment
  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
  CAS-BOT-BC400630  Asarum hartwegii Mrs. Eva Pattee 1923-5-15 s.n. Butte Shady Rest near Cresta Comment
  CAS-BOT-BC400639  Asarum hartwegii Clarence R. Quick 1952-7-1 52 -108 Butte Mill Creek Road between Feather River Highway and Coyote Gap 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
  UC54560  Asclepias cordifolia H. M. Hall and E. B. Babcock July 1903 4454 Plumas Fox Creek Sierra Nevada Mountains 1524 Comment
  UC54559  Asclepias speciosa H. M. Hall and E. B. Babcock July, 1903 4425 Plumas Fox Creek Sierra Nevada Mountains 1219 Comment
  UC57241  Asclepias speciosa H. M. Hall and E. B. Babcock July, 1903 4425 Plumas Fox Creek Sierra Nevada Mountains 1219 Comment
  CHSC97428  Asyneuma prenanthoides Robert Fischer 2006-7-2 1045 Plumas Bucks Lake. Between Oroville and Bucks Lake, off Hwy 70, east on 4 Trees Road. Collection made at the crossing of Wildcat Creek. 1158 Comment
  JEPS117932  Athyrium filix-femina L. P. Janeway 2008-8-10 9538 Butte along Four trees Road crossing of South Branch Mill Creek, 4.5 road km east-southeast of Hwy 70 Northern High Sierra Nevada 823 Comment
  CHSC100123  Athyrium filix-femina var. cyclosorum L. P. Janeway 2008-8-10 9537 Butte Northern High Sierra Nevada. Along Four Trees Road at crossing of South Branch Mill Creek, 4.5 road km east-southeast of Hwy 70. Along moist roadside gutter. 823 Comment
  CHSC33569  Athyrium filix-femina var. cyclosorum M. S. Taylor 1981-5-14 3728 Butte E side of 23N94, up Wildcat Creek (and nearby creeks) ca. 1 mi ne of Four Trees Rd, ca. 1 mi w of Four Trees on Oroville-Quincy Hwy. 1371 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
  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
  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
  SBBG119863  Blepharipappus scaber L. Ahart, J. Dittes 2003-8-8 10484 Plumas E side of Beckwourth Calpine Rd, ca. 3 mi S of Beckwourth, Sierra Valley 1482 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
  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
  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
  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
  CHSC42905  Bromus carinatus Lowell Ahart 1987-7-8 5807 Butte Along Big Bar Mountain Road, about 1 mile south-west of Coyote Gap, about 5 miles east of Pulga. 1280 Comment
  CAS-BOT-BC149311  Bromus carinatus var. carinatus C. R. Quick 1947-7-30 47 -68 Plumas Big Bar Mountain. Plumas National Forest. 1249 Comment
  CAS-BOT-BC149547  Bromus carinatus var. carinatus Lowell Ahart 1987-7-8 5807 Butte Along Big Bar Mountain Road, about 1 mile southwest of Coyote Gap, about 5 miles east of Pulga. 1280 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
  CAS-BOT-BC162206  Bromus orcuttianus Lowell Ahart 1987-7-8 5796 Butte Along Big Bar Mountain Road, about 3 miles southwest of Coyote Gap, soutehast of Pulga. 1280 Comment
  CHSC42904  Bromus orcuttianus Lowell Ahart 1987-7-8 5796 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga. 1280 Comment
  CHSC42727  Callitriche heterophylla var. bolanderi Lowell Ahart 1987-5-27 5693 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC115417  Calochortus monophyllus Kate Ronan 2013-4-9 Butte Centerville flumes trail. 368 Comment
  CAS-BOT-BC90929  Calycanthus occidentalis Clarence R. Quick 1952-7-1 52 -115 Butte Sierra Nevada. Mile Creek Road between Feather River Highway and Coyote Gap. 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
  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
  CAS-BOT-BC37267  Cardamine breweri Clarence Roy Quick 1963-7-16 63 50 a Butte Sierra Nevada. Section Corner Meadow, east of Pulga. Feather River Canyon. 1463 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
  CHSC73757  Cardamine pachystigma B. Castro 1996-3-26 658 Butte Ca 7.5 air mi NW of Brush Creek, 0.6 mi SE of Big Bar Mtn, and 150 ft S of USFS Rd 23N28, at E edge of meadow below Wyman Spring. 1188 Comment
  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
  CHSC102594  Carex bolanderi L. P. Janeway; B. Castro 2009-7-4 9835 Butte Northern High Sierra Nevada. Along Four Trees Road at crossing of South Branch Mill Creek (a tributary of North Fork Feather River). 823 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
  CHSC97414  Carex bolanderi Robert Fischer 2006-7-2 1033 Plumas Buckslake. Between Oroville and Buckslake, off Hwy. 70, east on 4 Trees Road. Collection made at the crossing of Wildcat Creek. 1158 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
  RSA770098  Carex bolanderi L. P. Janeway, B. Castro 2009-7-4 9835 Butte Northern High Sierra Nevada. Along Four Trees Road at crossing of South Branch Mill Creek (a tributary of North Fork Feather River) 823 Comment
  SEINET3143631  Carex bolanderi L. S. Rose 1939-6-7 39253 Butte 3 mi N of Pulga, Feather River Canyon 518 Comment
  UC823293  Carex bolanderi Lewis S. Rose 1939-6-7 39235 Butte 3 mi N of Pulga; Feather River Canyon 518 Comment
  CHSC48541  Carex brainerdii L. P. Janeway 1987-5-28 2116 Butte Bank along 4 Trees Rd just N of Coyote Gap. 1310 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
  CAS-BOT-BC21236  Carex fracta Lowell Ahart 1987-7-8 5797 Butte Along Big Bar Mountain Road, about 3 miles southwest of Coyote Gap, southease of Pulga. 1280 Comment
  CAS-BOT-BC21237  Carex fracta Clarence Roy Quick 1963-7-16 63 -43 Butte Sierra Nevada. Feather River Canyon. Section Corner Meadow, east of Pulga. 1463 Comment
  CHSC42949  Carex fracta Lowell Ahart 1987-7-8 5797 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga. 1280 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
  CAS-BOT-BC7782  Carex laeviculmis Clarence Roy Quick 1963-7-16 63 50 b Butte Feather River Canyon. Section Corner Meadow, east of Pulga. 1463 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
  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
  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
  CHSC52876  Carex subfusca L. P. Janeway 1987-5-28 2106 Butte Spring at the Soapstone Mine; near 4-Trees Rd 1.0 mi W of the Oroville-Quincy Hwy. 1493 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
  CAS-BOT-BC249588  Castilleja applegatei subsp. pinetorum Mrs. Eva Pattee 1923-5-15 s.n. Butte Shady Rest near Cresta Comment
  CAS-BOT-BC249595  Castilleja applegatei subsp. pinetorum Clarence R. Quick 1952-7-1 52 -131 Butte Mill Creek Road between Feather River Highway and Coyote Gap Comment
  SD60187  Castilleja rubicundula subsp. rubicundula A. A. Heller 1927-5-7 14365 Butte along the Paradise grade above Clear Creek, the type station where I collected in 1902 Comment
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Jun 11 2015
  CAS-BOT-BC50764  Ceanothus integerrimus C. R. Quick 1947-7-30 47 -69 Plumas Bit Bar Mt. 1249 Comment
  CAS-BOT-BC50765  Ceanothus integerrimus Clarence R. Quick 1942-8-4 42 45 A Plumas Bit Bar Mt., Feather River Canyon east of Pulga 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
  CHSC42479  Ceanothus integerrimus var. californicus Lowell Ahart 1987-5-6 5535 Butte On a large gravel bar, along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  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
  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
  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
  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
  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
  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
  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
  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
  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
  CHSC46201  Circaea alpina subsp. pacifica L. P. Janeway 1988-7-2 2960 Butte Along road to French Cr 1.2 mi S of Coyote Gap. Above road. 1127 Comment
  CAS-BOT-BC228755  Cistanthe umbellata Clarence R. Quick 1952-7-1 52 -118 Butte Mill Creek Road between Feather River Highway and Coyote Gap 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
  CAS-BOT-BC163264  Clarkia mildrediae subsp. lutescens Clarence R. Quick 1952-7-1 52125 Butte Mill Creek Road between Feather River Canyon and Coyote Gap Comment
  CAS-BOT-BC163265  Clarkia mildrediae subsp. lutescens Clarence R. Quick 1952-7-1 52 -125 Butte Mill Creek Road between Feather River Canyon and Coyote Gap 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
  CHSC71151  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-7 4684 Butte South side of ridge between Haphazard, Baker, and Foreman Creeks; 3.7 road mi west of Oroville-Quincy hwy and Rogers Cow Camp via Roads 23N15, 22N66X, and 22N40X. Southwest-facing road cutbank and above. 1158 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
  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
  CHSC37429  Clarkia rhomboidea R. Schlising; K. Tarp 1982-7-28 4352 Butte E of Pulga and SW of Coyote Gap Station, on Big Bar Mountain Road. On roadside bank. 1249 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
  CHSC33107  Claytonia parviflora subsp. parviflora M. S. Taylor 1981-5-15 3745 Butte W side of rd 23N00.1 ca. 3/4 mi s of Coyote Gap, ca. 4 air mi e of Pulga on Feather River Hwy 70; near creek crossing rd. 1158 Comment
  CHSC42410  Claytonia parviflora subsp. parviflora Lowell Ahart 1987-5-6 5572 Butte On dry sand, along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC56069  Claytonia parviflora subsp. parviflora L. P. Janeway 1988-7-2 2961 Butte Along road to French Creek, 1.2 mi south of Coyote Gap. Shady seepy area above the road. 1127 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
  CHSC42407  Claytonia rubra subsp. rubra Lowell Ahart 1987-5-6 5534 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  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
  A385476  Cornus sessilis C. R. Quick 1943-7-26 43 -20 Unknown Big Bar Mt. near Fagan's Saddle, Plumas Nat. Forest Comment
  CAS-BOT-BC210519  Cornus sessilis C. R. Quick 1943-7-26 43 -20 Butte Big Bar Mt. near Fagan's Saddle, Plumas Nat. Forest Comment
  CAS-BOT-BC210520  Cornus sessilis Clarence Quick 1940-7-20 s.n. Butte Big Bar Mt., E. of Feather River at Pulga; from Big Bar Lookout 2-3 miles towards Brush Creek Comment
  CAS-BOT-BC210521  Cornus sessilis Clarence R. Quick 1952-6-29 52 -90 Butte 0.3 mile west of Coyote Gap on Mill Creek Road Comment
  SBBG25328  Cornus sessilis F. C. Raney 1964-9-10 Butte 10 mi NE of Feather Falls Comment
  CHSC33522  Crepis pleurocarpa R. A. Schlising; R. Banchero, K. Tarp 1981-7-11 4139 Butte E of N Fork of Feather River. Along Coyote Gap road, ca 0.5 mi S of Coyote Gap. 1219 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
  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
  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
  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
  CHSC100124  Cystopteris fragilis L. P. Janeway 2008-8-10 9538 Butte Northern High Sierra Nevada. Along Four Trees Road at crossing of South Branch Mill Creek, 4.5 road km east-southeast of Hwy 70. Along moist roadside gutter. 823 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
  RSA739871  Cystopteris fragilis L. P. Janeway 2008-8-10 9538 Butte Northern High Sierra Nevada, along Four Tree Road at crossing of S Branch Mill Creek, 4.5 road km ESE of Hwy 70. 823 Comment
  CHSC45278  Cytisus scoparius Vernon Oswald 1985-4-21 1714 Butte Site of Mayaro, ca 2 mi ne of Pulga. 487 Comment
  CAS-BOT-BC190484  Dactylis glomerata Lowell Ahart 1987-7-8 5803 Butte Along Big Bar Mountain Road, about 3 miles southwest of Coyote Gap, southeast of Pulga. 1280 Comment
  CHSC42902  Dactylis glomerata Lowell Ahart 1987-7-8 5803 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga. 1280 Comment
  CAS-BOT-BC189854  Danthonia californica Lowell Ahart 1987-7-8 5812 Butte Along Walker Plains Road, about 1/8 mile north of Coyote Gap, about 5 miles east of Pulga. 1280 Comment
  CAS-BOT-BC189896  Danthonia californica Clarence R. Quick 1959-8-19 59 -46 Butte Sierra Nevada. Section Corner Meadow (east of Pulga on road between Coyote Gap and Four Trees). Comment
  CAS-BOT-BC189898  Danthonia californica Clarence R. Quick 1963-7-16 63 -42 Butte Sierra Nevada. Feather River Canyon. Section Corner Meadow, east of Pulga. 1463 Comment
  CAS-BOT-BC189900  Danthonia californica Clarence R. Quick 1965-7-25 65 -18 Butte Sierra Nevada. Section Corner Meadow. Coyote Gap - Four Trees road. Comment
  CHSC42901  Danthonia californica var. americana Lowell Ahart 1987-7-8 5812 Butte Near a stream, along Walker Plains Road, about 1/8 mile north of Coyote Gap, about 5 miles east of Pulga. 1280 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
  CAS-BOT-BC201741  Deschampsia elongata Lowell Ahart 1987-7-8 5792 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga 1280 Comment
  CHSC42913  Deschampsia elongata Lowell Ahart 1987-7-8 5792 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga. 1280 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
  CAS-BOT-BC402394  Dicentra formosa subsp. formosa Clarence R. Quick 1952-7-1 52 -114 Butte Mill Creek Road between Feather River Highway and Coyote Gap Comment
  CHSC33903  Digitalis purpurea M. S. Taylor 1981-5-15 3742 Butte Both sides of rd 22N92 between its jct with 23N00.1 and West Branch French Creek, ca 1.5 air mi s of Coyote Gap, ca. 4 air mi e of Pulga on Feather River Hwy 70. 883 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
  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-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
  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
  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
  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
  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
  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
  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
  CAS-BOT-BC113457  Eleocharis bella Clarence Roy Quick 1963-7-16 63 52 b Butte Section Corner Meadow, E of Pulga, Feather River canyon. 1463 Comment
  CHSC68425  Eleocharis bolanderi L. P. Janeway 1988-7-2 2974 Butte South slope of Big Bar Mountain, along road 5.5 mi southwest of Coyote Gap. 1188 Comment
  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
  CAS-BOT-BC203420  Elymus glaucus subsp. glaucus Lowell Ahart 1987-7-8 5808 Butte Along Big Bar Mountain Road, about 1 mile south-west of Coyote Gap, about 5 miles east of Pulga 1280 Comment
  CHSC42920  Elymus glaucus subsp. jepsonii Lowell Ahart 1987-7-8 5808 Butte Along Big Bar Mountain Road, about 1 mile south-west of Coyote Gap, about 5 miles east of Pulga. 1280 Comment
  CHSC42952  Elymus stebbinsii subsp. septentrionalis Lowell Ahart 1987-7-8 5805 Butte Along Big Bar Mountain Road, about 1 mile south-west of Coyote Gap, about 5 miles east of Pulga. 1280 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
  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
  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
  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
  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
  CHSC33114  Equisetum telmateia subsp. braunii M. S. Taylor 1981-5-15 3740 Butte Both sides of 22N92 between its jct with 23N00.1 and West Branch French Creek, ca. 1.5 mi s of Coyote Gap, ca. 4 air mi e of Pulga on Feather River Hwy 70. 929 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
  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
  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
  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
  CHSC44114  Eremogone cliftonii L. P. Janeway 1987-5-28 2111 Butte Side rd (23N12Y) 0.6 mi from Four Trees Rd (1.6 mi W of OroQuincy Hwy.). 1463 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
  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
  CHSC92521  Eremogone cliftonii Samantha Mackey Hillaire; Matt Brown 2005-6-20 1224 Butte Near Four Trees Road. 1456 Comment
  CHSC73745  Ericameria nauseosa var. speciosa B. Castro 1996-8-20 714 Butte Ca 4 air mi E of North Fork Feather River, ca 0.5 mi S of Coyote Gap, on W side of sharp curve in USFS Rd 23N00. 1216 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
  CAS-BOT-BC295771  Erigeron petrophilus var. sierrensis M. S. Taylor 1981-6-19 3962 Butte N side of Feather River Hwy 70, at nw end of Pulga bridge and along Pulga Rd, ca. 20 mi ne of Oroville Comment
  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
  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
  CHSC39138  Eriogonum nudum var. pubiflorum R. A. Schlising 1981-6-11 4137 Butte Plumas National Forest; serpentine outcrop along Coyote Gap Road, ca. 0.5 mi s of Coyote Gap. 1219 Comment
  CHSC41366  Eriogonum umbellatum var. ahartii R. A. Schlising 1981-7-11 4136 Butte NE part of county, serpentine outcrop along Coyote Gap Road, ca. 0.5 mi S of Coyote Gap. 1219 Comment
  CHSC51893  Eriogonum umbellatum var. ahartii L. P. Janeway 1988-7-2 2966 Butte Near the road into French Creek 0.6 mi S of Coyote Gap. 1219 Comment
  CHSC73976  Eriogonum ursinum var. ursinum B. Castro; L. Gehrung 1998-7-2 801 Butte Ca y air mi NW of Brush Creek, ca 0.5 mi E of Hungry Hunt Peak, ca 200 ft W of USFS Rd 23N28. 1091 Comment
  CHSC51897  Eriogonum vimineum L. P. Janeway 1988-7-2 2965 Butte Near the road into French Creek 0.6 mi S of Coyote Gap. Shaley SE-facing ridge outcrop. 1219 Comment
  CAS-BOT-BC301306  Eriophyllum lanatum var. croceum C. R. Quick 1951-6-9 51 100 A Butte Big Bar Mt. Comment
  CAS-BOT-BC301307  Eriophyllum lanatum var. croceum C. R. Quick 1941-6-7 41 -36 Butte Big Bar Mt. Comment
  CHSC48155  Eriophyllum lanatum var. croceum Vernon Oswald; M. S. Taylor 1985-5-30 1792 Butte Big Bar Mt. Rd. 0.4 mi s of Coyote Gap. 1292 Comment
  CHSC73931  Eriophyllum lanatum var. croceum B. Castro; L. Gehrung 1998-7-16 809 Butte Ca 7.5 air mi NW of Brush Creek, ca 0.7 mi SE of Big Bar Mtn, on N edge of USFS Rd 22N73X/76X, ca 0.35 E of its jcn with the main road (USFS Rd 23N28). In bed of old logging road. 1194 Comment
  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
  GH414989  Eriophyllum lanatum var. grandiflorum H. E. Brown 1897-05-01 - 1897-05-15 202 Unknown near Clear Creek 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
  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
  CHSC33586  Erythronium purpurascens M. S. Taylor 1981-4-28 3561 Butte S side of 23N28.2 (rd to Big Bar Mt), 0.9 mi sw of its jct with Four Trees Rd at Coyote Gap, ca. 4 air mi e of Pulga on Hwy 70. 1280 Comment
  CHSC42497  Fallopia convolvulus Lowell Ahart 1987-6-9 5722 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  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
  CHSC74041  Festuca arundinacea B. Castro; Linnea Hanson 1996-5-24 666 Butte Ca 4 air mi E of North Fork Feather River, ca 0.5 mi S of Coyote Gap, on the W side of sharp curve in USFS Rd 23N00. 1216 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
  CHSC106593  Festuca elmeri B. Castro; L. P. Janeway 2001-3-17 1267 Butte Along USFS Rd 23N28, about halfway between Coyote Gap and Big Bar Mtn. 1249 Comment
  CAS-BOT-BC278799  Festuca occidentalis Lowell Ahart 1987-7-8 5801 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga 1280 Comment
  CAS-BOT-BC278802  Festuca occidentalis Clarence R. Quick 1963-7-16 63 51 b Butte Section Corner Meadow east of Pulga. Feather River canyon 1463 Comment
  CHSC42919  Festuca occidentalis Lowell Ahart 1987-7-8 5801 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga. 1280 Comment
  CAS-BOT-BC278925  Festuca rubra Lowell Ahart 1987-7-8 5810 Butte Along Walker Plains Road, ca. 1/8 mi. N of Coyote Gap, ca. 5 mi. E of Pulga 1280 Comment
  CHSC42918  Festuca rubra Lowell Ahart 1987-7-8 5810 Butte Along Walker Plains Road, about 1/8 mile north of Coyote Gap, about 5 miles east of Pulga. 1280 Comment
  CAS-BOT-BC278630  Festuca subulata Lowell Ahart 1987-7-8 5800 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga 1280 Comment
  CHSC74046  Festuca subulata B. Castro; L. Gehrung 1998-7-2 801 A Butte Ca 7 air mi NW of Brush Creek, ca 0.5 mi E of Hungry Hunt Peak, on W edge of USFS Rd 23N28. 1091 Comment
  CHSC97429  Festuca subuliflora Robert Fischer 2006-7-2 1042 Plumas Bucks Lake. Between Oroville and Bucks Lake, off Hwy 70, east on 4 Trees Road. Collection made at the crossing of Wildcat Creek. 1158 Comment
  CHSC99566  Festuca subuliflora L. P. Janeway 2008-6-22 9432 Butte Northern High Sierra Nevada. Along Four Trees Road at crossing of South Branch Mill Creek (a tributary to North Fork Feather River); 2.7 air km east of Pulga Bridge (Hwy 70) over North Fork Feather River. On moist banks. 823 Comment
  CAS-BOT-BC55655  Frangula purshiana Clarence R. Quick 1952-6-29 52 -92 Butte Near spring, 0.3 miles west of Coyote Gap on Mile Creek Road Comment
  CHSC33517  Frangula purshiana R. A. Schlising; R. Banchero, K. Tarp 1981-7-11 4142 Butte E of N fork Feather River at Coyote Gap region; on Four Trees Road. Comment
  CHSC99567  Galium triflorum L. P. Janeway 2008-6-22 9430 Butte Northern High Sierra Nevada. Along Four Trees Road at crossing of South Branch Mill Creek (a tributary to North Fork Feather River); 2.7 air km east of Pulga Bridge (Hwy 70) over North Fork Feather River. On moist banks. 823 Comment
  JEPS117919  Galium triflorum L. P. Janeway 2008-6-22 9430 Butte Along Four Trees Road at crossing of South Branch Mill Creek (a tributary to North Fork Feather River North Fork Feather River (2.7 air km east of Pulga Bridge (Hwy 70) over); Northern High Sierra Nevada 823 Comment
  CAS-BOT-BC169936  Garrya fremontii Clarence R. Quick 1952-7-1 52 -111 Butte Mill Creek Road between Feather River Highway and Coyote Gap Comment
  SBBG119864  Gayophytum diffusum subsp. parviflorum L. Ahart, J. Dittes 2003-8-8 10487 Plumas E side of Beckwourth Calpine Rd, ca. 3 mi S of Beckwourth, Sierra Valley 1482 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
  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
  CAS-BOT-BC302475  Gnaphalium palustre Clarence R. Quick 1963-7-16 63 55 b Butte Section Corner Meadow, east of Pulga. Feather River canyon 1463 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
  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
  CHSC55064  Goodyera oblongifolia Lowell Ahart 1991-9-19 6728 Butte Near where the two branches of Wildcat Creek come together, 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
  CHSC43196  Helenium bigelovii Robert Banchero 1981-7-11 566 Butte Ca 2.0 mi ne of Coyote Gap. Meadow. 1463 Comment
  CHSC33891  Hemizonella minima M. S. Taylor 1981-5-13 3700 Butte On ridge above Foreman Creek, ca. 0.5 mi w of 23N15.5, ca. 1.5 mi s of its jct with Four Trees Rd, ca. 2 air mi w of Elks Retreat on Oroville-Quincy Hwy. 1310 Comment
  CHSC33907  Heracleum lanatum M. S. Taylor 1981-5-15 3744 Butte W side of rd 23N00.1 ca. 3/4 mi s of Coyote Gap, ca. 4 air mi e of Pulga on Feather River Hwy 70. 1158 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
  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
  CHSC43124  Horkelia tridentata subsp. flavescens L. P. Janeway 1987-5-28 2113 Butte Edge of ridge at Coyote Gap F.S. Station. 1325 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
  CHSC42943  Hosackia stipularis var. ottleyi Lowell Ahart 1987-7-8 5804 Butte Near Big Bar Mountain Road, about 1 mile south-west of Coyote Gap, about 5 miles east of Pulga. 1280 Comment
  CHSC50407  Hosackia stipularis var. ottleyi Vernon Oswald; Lowell Ahart 1990-6-27 4334 Butte Four Trees Rd 0.5 mi north of Coyote Gap. 1341 Comment
  CHSC42930  Hypericum perforatum Lowell Ahart 1987-7-17 5823 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CAS-BOT-BC133551  Iris hartwegii Clarence R. Quick 1952-6-30 52 -97 Butte Ridge top, Big Bar Mt., east of Pulga 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
  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
  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
  CHSC42897  Juncus covillei Lowell Ahart 1987-7-8 5814 Butte Near a stream, along Walker Plains Road, about 1/8 mile north of Coyote Gap, about 5 miles east of Pulga. 1280 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
  CHSC42896  Juncus hemiendytus Lowell Ahart 1987-7-3 5778 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  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
  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
  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
  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
  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
  SBBG119862  Lagophylla ramosissima L. Ahart, J. Dittes 2003-8-8 10483 Plumas E side of Beckwourth Calpine Rd, ca. 3 mi S of Beckwourth, Sierra Valley 1482 Comment
  CAS-BOT-BC213290  Lathyrus sulphureus Clarence R. Quick 1952-6-30 52 -96 Butte Ridge top, Big Bar Mt. east of Pulga, Sierra Nevada 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
  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
  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
  CHSC44652  Lilium pardalinum subsp. pardalinum L. P. Janeway 1988-7-2 2962 Butte Near the rd to French Cr, 0.9 mi S of Coyote Gap. 1188 Comment
  UC726827  Linanthus filipes A. A. Heller 1938-6-14 15154 Butte about 2 mi w Arch Rock Tunnel (on Feather River Highway) Comment
  JEPS37839  Lithocarpus densiflorus W. L. Jepson 1924-7-18 10602 Butte above Merrimac Comment
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  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-BC36589  Lithocarpus densiflorus var. echinoides Lowell Ahart 1987-7-8 5811 Butte along Walker Plains road, about 1/8 mile north of Coyote Gap, about 5 miles east of Pulga 1280 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
  CHSC42953  Lithocarpus densiflorus var. echinoides Lowell Ahart 1987-7-8 5811 Butte Along Walker Plains Road, about 1/8 mile north of Coyote Gap, about 5 miles east of Pulga. 1280 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
  SFV856  Lithocarpus densiflorus var. echinoides F. C. Raney 1964-9-10 s. n. Butte Sierra Nevada 10 miles northeast of Feather Falls. 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
  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
  CHSC34690  Lupinus apertus M. S. Taylor 1981-5-13 3699 Butte In sandy granite, on ridge above Foreman Creek, ca. 0.5 mi w of 23N15.5, ca. 1.5 mi s of its jct with Four Trees Rd, ca. 0.5 mi w of Oroville-Quincy Hwy, ca. 2 air mi w of Elks Retreat. 1310 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
  CHSC52704  Luzula cascadensis L. P. Janeway 1987-5-28 2107 Butte Spring at the Soapstone Mine; near 4-trees Road 1.0 mi west of OroQuincy Hwy. 1493 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-BC342722  Madia elegans Clarence R. Quick 1952-7-1 52 -130 Butte Mill Creek Road between Feather River Highway and Coyote Gap 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
  CAS-BOT-BC342955  Madia gracilis Clarence R. Quick 1963-7-16 63 -41 Butte Section Corner Meadow, east of Pulga. Feather River canyon 1463 Comment
  CAS-BOT-BC342957  Madia gracilis Clarence R. Quick 1952-6-30 52 -105 Butte Ridge top, Big Bar Mt., east of Pulga Comment
  CAS-BOT-BC347376  Malacothrix floccifera Clarence R. Quick 1952-7-1 52 -128 Butte Mill Creek Road between Feather River Highway and Coyote Gap 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
  CHSC33121  Matricaria discoidea M. S. Taylor 1981-5-15 3743 Butte Jct of 22N92 and 23N00.1, ca. 1.5 mi s of Coyote Gap, ca. 4 air mi e of Pulga on Feather River Hwy 70. 975 Comment
  CHSC42917  Melica aristata Lowell Ahart 1987-7-8 5800 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga. 1280 Comment
  CAS-BOT-BC281303  Melica harfordii Lowell Ahart 1987-7-8 5798 Butte Along Big Bar Mountain Rd, about 3 miles SW of Coyote Gap, SE of Pulga 1280 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
  CHSC42928  Melica harfordii Lowell Ahart 1987-7-8 5798 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga. 1280 Comment
  CAS-BOT-BC262455  Melica subulata Lowell Ahart 1987-7-8 5809 Butte Along Big Bar Mountain Road, about 1 mile south-west of Coyote Gap, about 5 miles east of Pulga 1280 Comment
  CHSC42927  Melica subulata Lowell Ahart 1987-7-8 5809 Butte Along Big Bar Mountain Road, about 1 mile south-west of Coyote Gap, about 5 miles east of Pulga. 1280 Comment
  CHSC42936  Mentzelia laevicaulis Lowell Ahart 1987-7-3 5783 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  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
  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
  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
  CHSC33113  Mimulus moschatus M. S. Taylor 1981-5-15 3747 Butte W side of rd 23N00.1 ca. 3/4 mi s of Coyote Gap, ca. 4 air mi e of Pulga on Feather River Hwy 70; near shady creek area. 1158 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
  CHSC33106  Minuartia douglasii M. S. Taylor 1981-5-15 3738 Butte At loop in rd 23N00.1, ca. 0.5 mi s of Coyote Gap on Four Trees Rd, ca. 4 air mi e of Pulga on Hwy 70. 1219 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
  CHSC62561  Monardella odoratissima subsp. pallida B. Castro 1993-8-3 493 Butte Ca 1 mi S of Big Bar Mtn, 0.5 mi SE of Hungry Hunt Peak, on USFS Rd 22N83 ca. 0.1 mi W of its jcn with Rd 23N28. 1127 Comment
  CAS-BOT-BC220455  Monardella sheltonii Clarence R. Quick 1952-7-1 52 -129 Butte Mill Creek Road between Feather River Highway and Coyote Gap Comment
  CHSC52212  Monardella sheltonii L. P. Janeway 1988-7-2 2968 Butte Near the road to French Cr 0.6 mi S of Coyote Gap. 1219 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
  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
  CHSC99564  Montia parvifolia L. P. Janeway 2008-6-22 9429 Butte Northern High Sierra Nevada. Along Four Trees Road at crossing of South Branch Mill Creek (a tributary to North Fork Feather River); 2.7 air km east of Pulga Bridge (Hwy 70) over North Fork Feather River. On moist banks. 823 Comment
  JEPS117911  Montia parvifolia L. P. Janeway 2008-6-22 9429 Butte Along Four Trees Road crossing of South Branch Mill Creek (a tributary to North Fork Feather River) North Fork Feather River (2.7 air km east of Pulga Bridge (Hwy 70) over); Northern High Sierra Nevada 823 Comment
  CAS-BOT-BC264286  Muhlenbergia andina Lowell Ahart 1981-9-19 3182 Butte Arch Rock Tunnel, Hwy. 70, Sierra Nevada 550 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
  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
  CAS-BOT-BC260541  Muhlenbergia filiformis Clarence R. Quick 1963-7-16 63 54 b Butte Section Corner Meadow, E of Pulga, Feather River Canyon 1463 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
  CHSC46196  Nemophila heterophylla L. P. Janeway 1988-7-2 2964 Butte Near the road to French Cr, 0.9 mi S of Coyote Gap. 1188 Comment
  SFV11585  Nemophila heterophylla M. L. Vincent 1964-4-8 504 Butte Sierra Nevada Highway 40, 1 mile northeast of new bridge. 450 Comment
  A402685  Nicotiana glauca H. E. Brown 1896-10-01 - 1896-11-01 116 Unknown near Clear Creek Comment
  SBBG25316  Notholithocarpus densiflorus var. densiflorus F. C. Raney 1964-9-10 Butte 10 mi NE of Feather Falls 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
  CHSC37411  Paeonia brownii R. A. Schlising; K. Tarp 1982-7-28 4353 Butte E of Pulga and SW of Coyote Gap Station, on Big Bar Mountain Road. On roadside bank. 1249 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
  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
  CHSC34221  Paxistima myrsinites M. S. Taylor 1981-5-29 3811 Butte Vicinity of old mining claim ca bin, Chino Ridge, at end of spur rd 22N85, off 22N31, at Chino Creek, ca. 3 air mi sw of Coyote Gap, ca. 16 air mi n of Oroville. 975 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
  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
  CHSC33902  Pentagramma triangularis subsp. semipallida M. S. Taylor 1981-5-15 3741 Butte Both sides of rd 22N92 between its junction with 23N00.1 and West Branch French Creek, ca. 1.5 air mi s of Coyote Gap, ca. 4 air mi e of Pulga on Feather River Hwy 70. 929 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
  CHSC42730  Persicaria hydropiper Lowell Ahart 1987-5-27 5716 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42948  Persicaria lapathifolia Lowell Ahart 1987-7-3 5766 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of the Jarbo Gap. 271 Comment
  CHSC42973  Persicaria lapathifolia Lowell Ahart 1987-7-3 5759 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
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Jan 9 2013
  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
  CHSC42489  Persicaria maculosa Lowell Ahart 1987-5-27 5706 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  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
  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
  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
  CAS-BOT-BC77379  Philadelphus lewisii Clarence R. Quick 1952-7-1 52 -113 Butte Mill Creek Road between Feather River Highway and Coyote Gap 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
  CAS-BOT-BC250866  Phleum pratense Lowell Ahart 1987-7-8 5795 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga 1280 Comment
  CHSC42924  Phleum pratense Lowell Ahart 1987-7-8 5795 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga. 1280 Comment
  CAS-BOT-BC135130  Phoradendron juniperinum Clarence R. Quick 1962-8-19 62 -82 Butte Coyote Gap-Four Trees Road. Plumas National Forest 1463 Comment
  CHSC33900  Phoradendron libocedri M. S. Taylor 1981-5-15 3739 Butte At loop in rd 23N00.1, serpentine barrens, ca. 0.5 mi s of Coyote Gap on Four Trees Rd, ca. 4 air mi e of Pulga on Feather River Hwy 70. 1219 Comment
  CHSC74146  Piperia transversa R. Beattie; M. Muchowski 1996-7-17 Butte Ca 3 air mi SW of Walker Plains, on the N side of USFS Rd 22N93, 0.1 mi N of the Haphazard Creek crossing. 987 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
  CAS-BOT-BC167557  Polygala cornuta var. cornuta C. R. Quick 1941-6-8 41 -15 Butte Big Bar Mt. Meadow 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
  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
  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
  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
  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
  CAS-BOT-BC72297  Polystichum imbricans subsp. imbricans Clarence R. Quick 1952-7-1 52 -109 Butte Mill Creek Road between Feather River Highway and Coyote Gap 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
  CHSC34244  Polystichum munitum M. S. Taylor 1981-5-29 3810 Butte Vicinity of old mining claim cabin, Chino Ridge, at end of spur rd 22N85, off 22N31, at Chino Creek, ca 3 air mi sw of Coyote Gap, ca. 16 air mi n of Oroville. 975 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
  CHSC45607  Potentilla glandulosa subsp. glandulosa L. P. Janeway 1987-5-28 2114 Butte Edge of ridge at Coyote Gap F.S. station. 1325 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
  CHSC52219  Prunella vulgaris var. lanceolata L. P. Janeway 1988-7-2 2956 Butte Along rd to Coyote Gap 2.6 mi from bridge on French Creek. 982 Comment
  UC57219  Prunella vulgaris var. vulgaris H. M. Hall and E. B. Babcock July, 1903 4426 Plumas Fox Creek; Sierra Nevada Mountains, Fox Creek 1219 Comment
  CHSC37707  Prunus avium M. S. Taylor 1981-5-29 3813 Butte At old cabin site (persisting) on Chino Ridge, at end of spur rd 22N85, off 22N31, at Chico Creek, ca. 3 air mi sw of Coyote Gap, ca. 16 air mi n of Oroville. 975 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
  CHSC34222  Pyrola aphylla M. S. Taylor 1981-5-29 3812 Butte Vicinity of old mining claim cabin, Chino Ridge, at end of spur road 22N31, at Chino Creek, ca. 3 air mi sw of Coyote Gap, ca. 16 air mi n of Oroville. 975 Comment
  CHSC51870  Pyrola dentata L. P. Janeway 1988-7-2 2971 Butte At Coyote Gap. 1280 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
  SFV887  Quercus kelloggii F. C. Raney 1964-10-10 s. n. Butte Sierra Nevada 10 miles northeast of Feather Falls. 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
  CHSC42977  Ranunculus uncinatus var. parviflorus Lowell Ahart 1987-7-8 5806 Butte Along Big Bar Mountain Road, about 1 mile south-west of Coyote Gap, about 5 miles east of Pulga. 1280 Comment
  CHSC43729  Ranunculus uncinatus var. parviflorus Vernon Oswald; M. S. Taylor 1985-5-30 1791 Butte Four Trees Rd. 0.2 mi w of the S. Branch of Mill Creek. Along the road near an intermittent stream. 810 Comment
  CHSC99568  Ranunculus uncinatus var. parviflorus L. P. Janeway 2008-6-22 9433 Butte Northern High Sierra Nevada. Along Four Trees Road at crossing of South Branch Mill Creek (a tributary to North Fork Feather River); 2.7 air km east of Pulga Bridge (Hwy 70) over North Fork Feather River. On moist banks. 823 Comment
  JEPS117918  Ranunculus uncinatus var. parviflorus L. P. Janeway 2008-6-22 9433 Butte Along Four Trees Road at crossing of South Branch Mill Creek (a tributary to North Fork Feather River North Fork Feather River (2.7 air km east of Pulga Bridge (Hwy 70) over); Northern High Sierra Nevada 823 Comment
  CHSC1528  Rhamnus ilicifolia E. Walker 1932-5-12 Butte Feather River Canyon. Comment
  RSA518961  Rhamnus purshiana C. R. Quick 1952-6-29 5192 Butte Near spring, 0.3 miles W of Coyote Gap on Mill Creek road Comment
  UC54504  Rhamnus purshiana H. M. Hall and E. B. Babcock Jul 1903 4424 Plumas Fox Creek Sierra Nevada Mountains 1219 Comment
  CAS-BOT-BC199747  Rhododendron occidentale var. californicum Clarence R. Quick 1952-6-29 52 -91 Butte 0.3 mile west of Coyote Gap on Mill Creek Road 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-BC212674  Ribes nevadense Clarence R. Quick 1952-6-29 5293 Butte Near spring, 0.3 mile W of Coyote Gap on Mill Creek Road 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
  CAS-BOT-BC74472  Rorippa curvisiliqua Clarence R. Quick 1963-7-16 63 54 d Butte Sierra Nevada. Feather River Canyon. Section Corner Meadow, east of Pulga. 1463 Comment
  CHSC38014  Rorippa curvisiliqua var. orientalis M. S. Taylor 1981-5-15 3746 Butte W side of Rd 23N00.1 ca. 3/4 mi s of Coyote Gap, ca. 4 air mi e of Pulga on Feather River Hwy 70. 1158 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
  CAS-BOT-BC146438  Rosa bridgesii Clarence R. Quick 1952-6-30 52 -100 Butte Ridge top, Big Bar Mt., east of Pulga Comment
  CAS-BOT-BC148122  Rosa gymnocarpa C. R. Quick 1941-6-7 41 -26 Butte Big Bar Mt. towards Coyote Gap Comment
  CAS-BOT-BC148123  Rosa gymnocarpa C. R. Quick 1942-8-5 42 -45 Butte Big Bar Mt. east of Pulga Comment
  CAS-BOT-BC148179  Rosa gymnocarpa C. R. Quick 1947-7-31 47 -70 Plumas Big Bar Mt., Plumas N.F., near S. line sec. 3 1249 Comment
  CHSC43214  Rosa gymnocarpa L. P. Janeway 1987-5-28 2115 Butte Along spur road from Coyote Gap to the F.S. Station. 1325 Comment
  CAS-BOT-BC148254  Rosa woodsii var. ultramontana Clarence R. Quick 1952-6-29 52 -88 Butte Near spring, 0.3 mile west of Coyote Gap on Mill Creek Road - Sierra Nevada 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
  CAS-BOT-BC156613  Rubus bifrons Clarence R. Quick 1962-8-19 62 -80 Butte Plumas National Forest. Corner Mdw., Coyote Gap - Four Trees road 1463 Comment
  CAS-BOT-BC148351  Rubus laciniatus Clarence R. Quick 1962-8-19 62 -81 Butte Coyote Gap-Four Trees Road, Plumas National Forest Comment
  CAS-BOT-BC148367  Rubus leucodermis Clarence R. Quick 1952-6-30 52 -98 Butte Ridge-top, Big Bar Mt. east of Pulga - Sierra Nevada Comment
  CAS-BOT-BC147199  Rubus parviflorus Clarence R. Quick 1952-7-1 52 -124 Butte Mill Creek Road between Feather River Canyon and Coyote Gap Comment
  CHSC46044  Rubus parviflorus L. P. Janeway 1987-5-28 2117 Butte Along rd from Coyote Gap 1.3 mi towards Big Bar Mtn. 1249 Comment
  CHSC46054  Rubus parviflorus L. P. Janeway 1987-5-28 2110 Butte Creek bed crossing side rd (23N12Y) 0.3 mi from Four Trees Rd and 1.6 mi W of OroQuincy Hwy. 1478 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
  CHSC43134  Rudbeckia occidentalis Robert Banchero 1981-7-11 563 Butte 1 mi s of Coyote Gap. 1121 Comment
  CHSC42496  Rumex acetosella Lowell Ahart 1987-6-9 5742 Butte Around rocks, on the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42974  Rumex acetosella Lowell Ahart 1987-7-8 5802 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga. 1280 Comment
  CHSC39084  Rumex obtusifolius subsp. agrestis R. A. Schlising 1981-7-11 4135 Butte Central part of county, 1.0 mi s of Coyote Gap. 1143 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
  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
  CAS-BOT-BC235026  Sambucus A. M. Vollmer; L. Beane 1953-7-1 27 Plumas Route 24, about 25 miles below Quincy, Feather River Highway 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
  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
  CAS-BOT-BC30746  Scirpus congdonii Lowell Ahart 1987-7-8 5813 Butte Along Walker Plains Road, about 1/8 mile north of coyote Gap, about 5 miles east of Pulga 1280 Comment
  CHSC42898  Scirpus congdonii Lowell Ahart 1987-7-8 5813 Butte Near a stream, along Walker Plains Road, about 1/8 mile north of Coyote Gap, about 5 miles east of Pulga. 1280 Comment
  CHSC56805  Scirpus congdonii L. P. Janeway 1988-7-2 2973 Butte Southerly slope of Big Bar Mountain; along road 5.5 mi southwest of Coyote Gap. 1188 Comment
  CHSC1900  Scrophularia californica subsp. floribunda L. Oliver; D. Sloan 1935-4-20 Butte Feather River Canyon. Comment
  UC54588  Scutellaria siphocampyloides H. M. Hall and E. B. Babcock July, 1903 4423 Plumas Fox Creek; Sierra Nevada Mountains, Fox Creek 1524 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
  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
  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
  JEPS102952  Sidalcea L. P. Janeway, B. Castro 2002-8-11 7696 Butte Northern High Sierra Nevada. Along Four Trees Road 0.6 km north of Coyote Gap; uppermost southeastern fork of Mill Creek. At drainage though not immediately adjacent to the water; roadside 1341 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
  CHSC82966  Sidalcea gigantea L. P. Janeway; B. Castro 2002-8-11 7696 Butte Northern High Sierra Nevada. Along Four Trees Road 0.6 km north of Coyote Gap; uppermost southeastern fork of Mill Creek. At drainage though not immediately adjacent to the water; roadside. 1341 Comment
  CHSC82967  Sidalcea gigantea L. P. Janeway; B. Castro 2002-8-11 7696 Butte Northern High Sierra Nevada. Along Four Trees Road 0.6 km north of Coyote Gap; uppermost southeastern fork of Mill Creek. At drainage though not immediately adjacent to the water; roadside. 1341 Comment
  JEPS109821  Sidalcea gigantea Dean W. Taylor 2004-7-22 19207 Butte Four Trees Road (Forest Road 23N00) ca. 0.3 miles North of Coyote Gap 1310 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
  CHSC55053  Silene bernardina Lowell Ahart 1991-9-19 6729 Butte Near where the two branches of Wildcat Creek come together, about 2 miles north-west of Four Trees, about 2 miles north-east of Coyote Gap. 1219 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
  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
  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
  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
  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
  UCR88751  Solanum americanum J. T. Howell 1959-9-26 35083 Butte Arch Rock, N Fork Feather River 457 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
  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
  CHSC42350  Stachys ajugoides var. rigida Lowell Ahart 1987-5-27 5691 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC52205  Stachys ajugoides var. rigida L. P. Janeway 1988-7-2 2957 Butte Along road to Coyote Gap 2.6 mi from bridge on French Cr. 982 Comment
  CHSC100120  Stachys pycnantha L. P. Janeway 2008-8-10 9535 Butte Northern High Sierra Nevada. Along Four Trees road 3.2 road km east-southeast of Hwy 70; overlooking Mill Creek, a tributary to North Fork Feather River; 1.6 air km east-southeast of Pulga. 732 Comment
  CHSC42939  Stachys pycnantha Lowell Ahart 1987-7-17 5826 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 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
  CHSC33116  Streptanthus polygaloides M. S. Taylor 1981-5-15 3737 Butte At loop in rd 23N00.1, ca. 0.5 mi s of Coyote Gap on Four Trees Rd, ca. 4 air mi e of Pulga on Feather River Hwy 70. 1219 Comment
  CHSC52007  Streptanthus polygaloides L. P. Janeway 1988-7-2 2969 Butte Near the road to French Creek 0.6 mi S of Coyote Gap. 1219 Comment
  CAS-BOT-BC87798  Streptanthus tortuosus Lewis S. Rose 1939-6-7 39255 Plumas Feather River, 3 miles north of Pulga. 518 Comment
  CHSC37699  Streptanthus tortuosus M. S. Taylor 1981-5-13 3702 Butte Granite knoll, above Foreman Creek, ca. 0.5 mi w of 23N15.5, ca. 1.5 mi s of its jct with Four Trees Rd, ca. 0.5 mi w of Elks Retreat on Oroville-Quincy Hwy. 1219 Comment
  GH422284  Streptanthus tortuosus L. S. Rose 1939-6-7 39255 Unknown Feather River, 3 mi. n. of Pulga 518 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
  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
  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
  CAS-BOT-BC269532  Symphoricarpos albus var. laevigatus Clarence R. Quick 1952-6-30 52 -101 Butte Big Bar Mt., east of Pulga 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
  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
  CAS-BOT-BC81330  Taxus brevifolia Clarence R. Quick 1952-6-29 52 -94 Butte 0.3 mile west of Coyote Gap on Mill Creek Road 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-BC197423  Thinopyrum ponticum Lowell Ahart 1987-7-8 5805 Butte Along Big Bar Mountain Road, about 1 mile south-west of Coyote Gap, about 5 miles east of Pulga 1280 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
  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
  CHSC73949  Trifolium breweri B. Castro; Linnea Hanson 1996-5-24 664 Butte Ca 4 air mi E of North Fork Feather River, ca 0.5 mi S of Coyote Gap, on W side of the sharp curve in USFS Rd 23N00. 1216 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
  CHSC100113  Trifolium repens L. P. Janeway 2008-8-10 9536 Butte Northern High Sierra Nevada. Along Four Trees road 3.2 road km east-southeast of Hwy 70; overlooking Mill Creek, a tributary to North Fork Feather River; 1.6 air km east-southeast of Pulga. 732 Comment
  CHSC33566  Trillium albidum M. S. Taylor 1981-5-14 3725 Butte E side of 23N94, up Wildcat Creek (and nearby creeks) ca. 1 mi ne of Four Trees Rd, ca 1 mi w of Four Trees on Oroville-Quincy Hwy. 1371 Comment
  CAS-BOT-BC199589  Trisetum canescens Lowell Ahart 1987-7-8 5794 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga 1280 Comment
  CHSC42932  Trisetum canescens Lowell Ahart 1987-7-8 5794 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga. 1280 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
  CHSC55316  Trisetum projectum Lowell Ahart 1991-9-19 6727 Butte Near where the two branches of Wildcat Creek come together, 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
  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
  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
  CHSC52147  Veratrum californicum var. californicum L. P. Janeway 1988-7-2 2963 Butte Near rd to French cr 0.9 mi S of Coyote Gap. 1188 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
  CHSC99552  Veronica americana L. P. Janeway 2008-6-22 9431 Butte Northern High Sierra Nevada. Along Four Trees Road at crossing of South Branch Mill Creek (a tributary to North Fork Feather River); 2.7 air km east of Pulga Bridge (Hwy 70) over North Fork Feather River. In shallow muddy road edge gutter. 823 Comment
  JEPS117912  Veronica americana L. P. Janeway 2008-6-22 9431 Butte Along Four Trees Road at crossing of South Branch Mill Creek (a tributary to North Fork Feather River North Fork Feather River (2.7 air km east of Pulga Bridge (Hwy 70) over); Northern High Sierra Nevada 823 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
  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
  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
  CHSC33567  Viola glabella M. S. Taylor 1981-5-14 3727 Butte E side of 23N94, up Wildcat Creek (and nearby creeks) ca. 1 mi ne of Four Trees Rd, ca, 1 mi w of Four Trees on Oroville- Quincy Hwy. 1371 Comment
  CHSC33568  Viola macloskeyi M. S. Taylor 1981-5-14 3726 Butte E side of 23N94 up Wildcat Creek (and nearby creeks) ca 1 mi ne of Four Trees Rd, ca 1 mi w of Four Trees on Oroville-Quincy Hwy. 1371 Comment
  CHSC51931  Viola purpurea subsp. purpurea L. P. Janeway 1987-5-28 2112 Butte 1.6 mi W of OroQuincy Hwy on 4-trees Rd, then 0.3 mi on side rd (23N12Y). 1463 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-BC77793  Woodwardia fimbriata Clarence R. Quick 1952-7-1 52 -117 Butte Mill Creek Road between Feather River Highway and Coyote Gap Comment
  CAS-BOT-BC77796  Woodwardia fimbriata John Thomas Howell 1973-7-9 49697 Butte near Bear Ranch Creek, Feather River Highway 457 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
  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
  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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