39.73277 39.83277 -121.33333 -121.23333 UC/JEPS: Consortium Search Results
Search Results — 481 specimen records retrieved (481 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC330983  Acer glabrum var. glabrum A. A. Heller 1915-7-7 12054 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles W of Bucks 1676 Comment
  CAS-BOT-BC330984  Acer glabrum var. glabrum A. A. Heller 1915-7-7 12054 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles W of Bucks 1676 Comment
  LA204382  Acer glabrum var. glabrum A. A. Heller; 1915-7-7 12054 Plumas Sierra Nevada, near the summit of Soapstone ridge, 12 mi. W of Bucks 1676 Comment
  A363508  Acer glabrum var. torreyi A. A. Heller 1915-7-7 12054 Unknown Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CDA11940  Acer glabrum var. torreyi G. F. Hrusa, J. Dinsdale 1989-6-27 7200 Plumas Sierra Nevada; NW end of Bucks Lake, very near lake margin. Comment
  RSA31122  Acer glabrum var. torreyi A. A. Heller 1915-7-7 12054 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks in the forest. 1677 Comment
  CHSC116583  Acmispon americanus var. americanus L. P. Janeway 2015-7-20 11804 Butte Northern High Sierra Nevada. Plumas Nastional Forest; Forest Service rock quarry at the southern corner of Walker Plains, on the southwest side of Oroville-Quincy Hwy. 1539 Comment
  CHSC50408  Acmispon grandiflorus var. macranthus Vernon Oswald; Lowell Ahart 1990-6-27 4324 Butte Jordan Creek-Marble Creek Rd (23N60) near Spoon Ravine, east side of Oro-Quincy Hwy, ca. 0.5 mi (air) north-northeast of Junction House (site). 1097 Comment
  CHSC74088  Acmispon grandiflorus var. macranthus B. Castro; E. Hubert 1996-7-16 683 Butte BlackJack Fire. Ca 5 air mi N of Brush Creek, ca 0.4 mi S of Rogers Cow Camp on SE-facing slope of recently burned area. 1188 Comment
  CHSC85742  Acmispon nevadensis var. nevadensis G. F. Hrusa; T. D. Wilfred 1996-7-9 13165 Butte Sierra Nevada-Plumas National Forest. On USFS 22N80 overlooking drainages of Marble Creek and Jordan ck to N. [Lat./Long. on label is '39 degrees 46' N; 121 degrees 17' W']. 1300 Comment
  CDA13312  Agrostis exarata G. F. Hrusa, T. D. Wilfred 1996-7-9 13158 Butte Sierra Nevada; Shaded banks on E side of bridge over Marble Creek along USFS N60. Occasional, perennial. Comment
  CDA13330  Agrostis exarata var. monolepis G. F. Hrusa, T. D. Wilfred 1996-7-9 13176 Butte Sierra Nevada; Slightly moist shade on roadside of 22N89 approx. 0.3 m from intersection with Hwy 162. Perennial. Comment
  CDA13331  Agrostis scabra G. F. Hrusa, T. D. Wilfred 1996-7-9 13177 Butte Sierra Nevada; Dry, open woods of Ponderosa pine approx. 0.4 m from Hwy 162 on 22N89. Perennial. Uncommon here. Comment
  UCR115082  Agrostis scabra G. Fred Hrusa, T. D. Wilfred 1996-7-9 13177 Butte Sierra Nevada Mtns., Plumas National Forest. c. 0.4 mi from Hwy 162 on 22N89 1200 Comment
  CHSC36903  Allium campanulatum R. A. Schlising; R. Banchero 1980-7-11 3885 Butte NE part of county at s ecd of Walker Plains; along Oroville-Quincy Hwy. 1536 Comment
  CDA13302  Allium membranaceum G. F. Hrusa, T. D. Wilfred 1996-7-9 13150 Butte Plumas National Forest; Above USFS N60 near Marble Creek Bridge. E of Rogers Cow Camp. Comment
  CHSC36947  Allium obtusum var. conspicuum D. Burk; R. A. Schlising, K. Tharp 1982-6-16 4297 Butte NE part of county, NE of Oroville and Oroville-Quincy Hwy; at corner of Walker Plains. 1554 Comment
  CHSC50413  Allophyllum integrifolium Vernon Oswald; Lowell Ahart 1990-6-27 4328 Butte Oro-Quincy Hwy at the south edge of Walker Plains, 0.3 mi west-northwest of Buckeye (site). 1536 Comment
  UC1562329  Allophyllum integrifolium Vernon Oswald and Lowell Ahart 1990-6-27 4328 Butte 0.3 mi. w.-n.w. Buckeye (site) (Oro-Quincy Hwy. at s. edge of Walker Plains) 1536 Comment
  CHSC33344  Allotropa virgata R. Banchero; R. Schlising 1980-7-11 300 Butte 1.3 mi s of Four Trees crossing, 2 mi nw of Elk's Retreat. 1499 Comment
  CHSC34800  Alnus incana subsp. tenuifolia M. S. Taylor 1981-5-13 3698 A Butte On e side of 23N15.5 ca. 1 mi s of its jct with Four Trees Rd, ca. 8 air mi e of Pulga and 1/2 mi w of Oroville-Quincy Hwy. 1371 Comment
  CHSC28003  Alnus rhombifolia M. S. Taylor 1978-7-21 1823 Butte Along creek bisecting Oroville-Quincy Hwy ca. 14 mi n of Lake Madrone. 914 Comment
  CDA13338  Angelica breweri G. F. Hrusa, T. D. Wilfred 1996-7-9 13184 Butte Sierra Nevada; on USFS 22N89 approx. 0.3 m. from intersection of Hwy 162. Sheet 1 of 2 Comment
  CDA40897  Angelica breweri G. F. Hrusa, T. D. Wilfred 1996-7-9 13184 Butte Sierra Nevada; on USFS 22N89 approx. 0.3 m. from intersection of Hwy 162. Sheet 2 of 2 Comment
  CHSC42125  Aphyllon purpureum Lowell Ahart 1980-5-29 2359 Butte On rock slides along the road south of Jordan Creek, about 2 1/2 miles north-east of the Oroville Quincy Highway, about 5 miles north-east of Mountain House. 1005 Comment
  JEPS94853  Apocynum androsaemifolium Vernon H. Oswald and Lowell Ahart 1998-8-11 9470 Butte Four Trees-Coyote Gap Road 1.3 mi w of Four Trees; Four Trees-Coyote Gap Road 1524 Comment
  CAS-BOT-BC40006  Arctostaphylos nevadensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54402 Plumas Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1554 Comment
  CDA18487  Arctostaphylos nevadensis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3375 Plumas Sierra Nevada; Walker Plains. Along the Plumas-Butte county line. 1554 Comment
  CHSC34874  Arctostaphylos patula subsp. patula M. S. Taylor 1981-5-14 3724 Plumas Walker Plains, both sides of Oroville-Quincy Hwy, ca. 1/2 mi S of Four Trees Rd jct, on Butte-Plumas county line, ca. 2 mi N of Merrimac. 1524 Comment
  NY743594  Arenaria aculeata A. A. Heller 1915-7-7 12071 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles West of Bucks. 1676 Comment
Read comments Oct 26 2010
  CHSC97046  Arnica latifolia B. Castro; Samantha Hillaire 2005-7-7 1488 Plumas Ca 7 air mi SW of Bucks Lake and 1.5 air mi SE of Soapstone Hill, on Rock Island Ridge. Ca 2 mi SE of the Oro-Quincy Hwy on USFS Rd 23N18, on W side of road at jcn of the 'D' spur road. At N edges of large open meadow. 1584 Comment
  CHSC44033  Artemisia tridentata subsp. tridentata F. Jay Fuller 1988-6-17 520 Butte Approx. 50 m southwest of bridge over Marble Creek. 1072 Comment
Read comments Feb 14 2007
  CHSC73402  Asarum lemmonii B. Castro 1995-11-29 629 Plumas Ca 2 air mi ESE of Walker Plains on Rock Island Ridge, and ca 0.3 mi N of Rock Island itself. In minor perennial tributary to Truck Ravine, between the Ravine and USGS Rd 23N27. 1475 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
  CHSC60068  Aster radulinus B. Castro; J. Jurewicz 1992-10-15 460 Plumas Ca 1.5 road mi NW of Grizzly Summit on NW side of USFS Rd 23N73Y, along old skid trail ca 60 ft above tributary to Foreman Ck. 1676 Comment
  CHSC42895  Asyneuma prenanthoides L. P. Janeway 1984-7-15 924 Butte Just W of Rogers Cow Camp. 1249 Comment
  CHSC82519  Botrychium minganense Lowell Ahart 2002-7-6 9839 Plumas In the large meadow are three large aspens in a south to north line, go west about 40 yards to the small lodgepole pine, about 20 feet to the north is a bracken fern bank, moonwort is just before the bracken fern and a little east, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1608 Comment
  CDA11930  Boykinia major G. F. Hrusa, J. Dinsdale 1989-6-27 7222 Plumas Sierra Nevada; Tributary entering Bucks Lake at N end. Comment
  CDA13271  Boykinia major G. F. Hrusa, T. D. Wilfred 1996-7-9 13119 Butte Plumas National Forest; Jordan Creek, above falls before confluence with Marble Creek. Comment
  CDA13294  Bromus ciliatus G. F. Hrusa, T. D. Wilfred 1996-7-9 13142 Butte Plumas National Forest; Above Jordan Creek S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC74153  Bromus laevipes B. Castro; E. Hubert 1996-7-16 685 Butte Black Jack Fire. Ca 5 air mi N of Brush Creek, ca 0.4 mi S of Rogers Cow Camp on slope of recently burned area at edge of forest. Near drainage. 1158 Comment
  CAS-BOT-BC162152  Bromus orcuttianus A. A. Heller 1915-7-7 12053 Plumas Near the summit of Soapstone ridge 12 miles west of Bucks. 1676 Comment
  UCD59058  Bromus orcuttianus A. A. Heller 1915-7-7 12053 Plumas Near the summit of Soapstone ridge 12 miles west of Bucks. 1676 Comment
  CDA13291  Bromus suksdorfii G. F. Hrusa, T. D. Wilfred 1996-7-9 13139 Butte Plumas National Forest; Occasional individuals on dry, shaded slopes in coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp. Comment
  UCR115097  Bromus suksdorfii G. Fred Hrusa, T. D. Wilfred 1996-7-9 13139 Butte Sierra Nevada Mtns., Plumas National Forest. Above Jordan Creek, south of Hwy 162 near Roger's Cow Camp 1250 Comment
  CHSC110876  Calliscirpus brachythrix Tim Hanson 2013-6-20 2 Plumas Northern High Sierra Nevada. On the south side of Coldwater Creek .8 km upstream from its confluence with the Little North Fork of the Middle Fork of the Feather River. 1416 Comment
  CHSC97045  Calochortus nudus B. Castro; Samantha Hillaire 2005-7-7 1487 Plumas Ca 7 air mi SW of Bucks Lake and 1.5 air mi SE of Soapstone Hill, on Rock Island Ridge. Ca 2 mi SE of the Oro-Quincy Hwy on USFS Rd 23N18, on W side of road at jcn of the 'D' spur road. At N edges of large open meadow. 1584 Comment
  CDA11941  Calyptridium monospermum G. F. Hrusa, J. Dinsdale 1989-6-27 7198 Plumas Sierra Nevada; Away from margin of Bucks Lake at NW end. Comment
  CDA13318  Calyptridium monospermum G. F. Hrusa, T. D. Wilfred 1996-7-9 13164 Butte Sierra Nevada; USFS 22N80 overlooking drainages of Marble Creek and Jordan Ck to N. Comment
  CDA18489  Calyptridium monospermum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3369 Plumas Sierra Nevada; Walker Plains. Basalt formation along the Plumas-Butte county line. 1554 Comment
  CHSC4592  Calyptridium monospermum C. Glascock 1965-6-12 435 Butte Moist rocky meadow ca. 34 mi. ne of Oroville on Old Quincy Road. Comment
  CHSC89819  Calyptridium monospermum G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-26 3369 Plumas Sierra Nevada. Walker Plains. Along the Plumas-Butte county line. 1554 Comment
  CDA18485  Calyptridium umbellatum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3371 Plumas Sierra Nevada; Walker Plains. Basalt formation along the Plumas-Butte county line. 1554 Comment
  UC852127  Calyptridium umbellatum A. A. Heller 1915-7-7 12062 Plumas 12 mi w of Bucks (near summit of Soapstone Ridge in the Sierra Nevada); Sierra Nevada, Soapstone Ridge Comment
  CDA13284  Calystegia occidentalis subsp. occidentalis G. F. Hrusa, T. D. Wilfred 1996-7-9 13132 Butte Plumas National Forest; E side above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13314  Calystegia occidentalis subsp. occidentalis G. F. Hrusa, T. D. Wilfred 1996-7-9 13160 Butte Sierra Nevada; USFS N60 approx. 0.4 m E of bridge over Marble Creek. Comment
  JEPS11847  Campanula prenanthoides Duncan Dunning 1921-8-25 Butte Merrimac Comment
  CHSC35761  Cardamine breweri R. E. Preston 1982-6-18 303 Butte At stream margin; site of Merrimac, ca. 22 mi ne of Oroville. 1173 Comment
  CHSC101467  Cardamine breweri var. breweri L. P. Janeway; Jason Emmons, Dorothy Kieffer 2009-4-29 9831 Plumas Northern High Sierra Nevada. Rock Island Ridge, 1.8 air km east of Walker Plains. Small seep and associated southwest-flowing drainage on upper ridge. 1558 Comment
  CDA13290  Carex amplifolia G. F. Hrusa, T. D. Wilfred 1996-7-9 13138 Butte Plumas National Forest; Dense colony on shaded wet bank of Jordan Creek, above waterfall nr. confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC100933  Carex amplifolia R. A. Schlising; D. Burk, K. Tarp 1982-7-16 4295 Butte 1219 Comment
  CHSC76320  Carex amplifolia G. F. Hrusa; T. D. Wilfred 1996-7-9 13138 Butte On bank of Jordan Creek, above waterfall nr. Confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. [Original Lat./Long. on label is '39 46 N; 121 17 W']. 1175 Comment
  CHSC102599  Carex bolanderi L. P. Janeway; B. Castro 2009-7-18 9864 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  RSA770097  Carex bolanderi L. P. Janeway, B. Castro 2009-7-18 9864 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  CHSC102586  Carex echinata subsp. echinata L. P. Janeway; B. Castro 2009-7-4 9847 Plumas Northern High Sierra Nevada. Upper end of Rock Island Ridge,. 1576 Comment
  CHSC102600  Carex laeviculmis L. P. Janeway; B. Castro 2009-7-18 9863 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  CHSC59006  Carex laeviculmis Lowell Ahart 1992-6-26 6783 Butte Bog like area, on the east side of Rogers Cow Camp, about 1/2 mile north-west of Merrimac. 1219 Comment
  JEPS116646  Carex laeviculmis L. P. Janeway, B. Castro 2009-7-18 9863 Plumas Lowers end of Rock Isand Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road Soapstone Hill; Northen High Sierra Nevada 1526 Comment
  RSA770095  Carex laeviculmis L. P. Janeway, B. Castro 2009-7-18 9863 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  CHSC102605  Carex lemmonii L. P. Janeway; B. Castro 2009-7-4 9843 Plumas Northern High Sierra Nevada. upper end of Rock Island Ridge, in small open meadow in larger mountain alder thicket drainage sloping east, head of a western tributary of Toland Creek. 1576 Comment
  CDA13295  Carex stipata var. stipata G. F. Hrusa, T. D. Wilfred 1996-7-9 13143 Butte Plumas National Forest; Jordan Creek, above waterfall nr. confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC76325  Carex stipata var. stipata G. F. Hrusa; T. D. Wilfred 1996-7-9 13143 Butte Northern California; Plumas National Forest. On shaded wet bank of Jordan Creek, above waterfall nr. confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. [Original Lat./Long. on label is '39 51 N; 121 34 W']. 1175 Comment
  CAS-BOT-BC116742  Carex subfusca M. S. Taylor 1978-7-21 1812 Butte On S side of Oroville-Quincey Hwy along creek in meadow. 1463 Comment
  CDA13292  Carex subfusca G. F. Hrusa, T. D. Wilfred 1996-7-9 13140 Butte Plumas National Forest; Jordan Creek, above waterfall nr. confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC28565  Carex subfusca M. S. Taylor 1978-7-21 1812 Butte On s side of Oroville-Quincy Hwy along creek in a meadow, ca. 14 mi n of Lake Madrone. 548 Comment
  CDA13281  Castilleja applegatei subsp. pinetorum G. F. Hrusa, T. D. Wilfred 1996-7-9 13129 Butte Plumas National Forest; W side above Jordan Creek. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13307  Castilleja applegatei subsp. pinetorum G. F. Hrusa, T. D. Wilfred 1996-7-9 13153 Butte Sierra Nevada; E side of bridge over Marble Creek on USFS N60. Comment
  CHSC2427  Castilleja lacera R. Carter 1965-6-15 233 Butte Found .5 mi. N of Derrick Rd. on Old Cherokee Rd. along W side of orad ca. 5' from edge of road, North Table Mountain ca 5 mi. of Oroville. 335 Comment
  CHSC102579  Castilleja miniata subsp. miniata L. P. Janeway; B. Castro 2009-7-4 9844 Plumas Northern High Sierra Nevada. Upper end of Rock Island Ridge. 1576 Comment
  CAS-BOT-BC50767  Ceanothus integerrimus Duncan Dunning 1921-8-25 36366 Plumas Merrimac 1524 Comment
  CHSC82356  Ceanothus integerrimus Lowell Ahart 2002-7-6 9844 Plumas On the west side of the dirt road and east of the large meadow, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  JEPS103362  Ceanothus integerrimus Lowell Ahart 2002-7-6 9844 Plumas On the W side of the dirt road and E of the large meadow, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  A425576  Ceanothus velutinus A. A. Heller 1915-7-7 12069 Unknown Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  GH425569  Ceanothus velutinus A. A. Heller 1915-7-7 12069 Unknown Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC63188  Ceanothus velutinus var. velutinus A. A. Heller 1915-7-7 12069 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. 12 mi. w. of Bucks in the forest. 1676 Comment
  CDA11939  Ceanothus velutinus var. velutinus G. F. Hrusa, J. Dinsdale 1989-6-27 7202 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  CDA13342  Cephalanthera austiniae G. F. Hrusa, T. D. Wilfred 1996-7-9 13190 Butte Sierra Nevada; Above spring on 23N15, approx. 100 m to S of Hwy 162 across from entrance to Rogers Cow Camp. Comment
  CHSC2413  Cephalanthera austiniae R. Carter 1965-6-21 248 Plumas Found on E side of Oroville-Qincy Rd. 3.05 mi. N of Buckeye Water Hole, ca. 10' from road. 1219 Comment
  CHSC46537  Cephalanthera austiniae Lowell Ahart 1976-7-7 1168 Plumas About 2 miles south-west of Cold Water Creek, about 6 miles south-west of Grizzly Mountain. 1524 Comment
  CHSC43698  Chamerion angustifolium subsp. circumvagum Vernon Oswald 1985-7-30 1914 Butte Oroville-Quincy Hwy 8.0 mi nne of Brush Creek at Merrimac site. On the edge of a stream. 1219 Comment
  CDA13321  Cheilanthes gracillima G. F. Hrusa, T. D. Wilfred 1996-7-9 13167 Butte Sierra Nevada; approx. 0.5 m. E of bridge over Marble Creek on USFS N60. Comment
  CHSC2461  Chimaphila menziesii R. Carter 1965-7-6 273 Plumas Found at Buckeye Water Hole, 8.55 mi. N of Mountain House on Oroville-Quincy Rd., on E side of road ca. 20' from end of the pipe at base of Pinus ponderosa. 1280 Comment
  CHSC33973  Chimaphila menziesii M. S. Taylor 1981-5-13 3704 Butte Jct. of 23N15.5, 22N66X and 22N40X, ca. 2 air mi s of Four Trees Rd, ca. 1 air mile w of Elks Retreat on Oroville-Quincy Hwy. 1280 Comment
  CDA13278  Chimaphila umbellata G. F. Hrusa, T. D. Wilfred 1996-7-9 13126 Butte Plumas National Forest; on N ridge above Jordan Creek. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC55308  Cinna latifolia Lowell Ahart 1991-8-25 6708 Butte Along Haphazard Creek, about 1 mile north-west of Rogers Cow Camp, west of Oroville-Quincy Hwy, about 6 miles north-east of Brush Creek. 1219 Comment
  UC1586527  Cinna latifolia Lowell Ahart 1991-8-25 6708 Butte along Haphazard Creek (about 1 mi nw of Rogers Cow Camp, w of Oroville-Quincy Hwy about 6 mi ne of Brush Creek); along Haphazard Creek 1219 Comment
  CDA13340  Circaea alpina subsp. pacifica G. F. Hrusa, T. D. Wilfred 1996-7-9 13188 Butte Sierra Nevada; on USFS 23N15, approx. 100 meters to S of Hwy 162 across from entrance to Rogers Cow Camp. Comment
  CHSC28953  Circaea alpina subsp. pacifica M. S. Taylor 1978-7-21 1817 Butte On s side of Oroville-Quincy Hwy along creek in a meadow, ca. 14 mi n of Lake Madrone. 1463 Comment
  CAS-BOT-BC228907  Cistanthe umbellata A. A. Heller 1915-7-7 12062 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  SEINET9349101  Clarkia mildrediae Unknown 1996-7-9 13174 Butte Plumas National Forest Comment
  SEINET9361570  Clarkia mildrediae Unknown 1996-7-9 13161 Butte Butte County Comment
  UCD104577  Clarkia mildrediae G. F. Hrusa; T. D. Wilfred 1996-7-9 13186 Butte Sierra Nevada. Plumas National Forest. Immed. S of Rogers Cow Camp on Highway 162. 1150 Comment
  UCD104578  Clarkia mildrediae B. Castro; Robin Fallscheer 1989-7-13 321 Butte Ca. 4.5 road miles NE of Brush Creek, ca. 0.2 mile SW of Junction House, on NW-facing road cut on SE side of the Oro-Quincy Highway ca 0.6-0.7 mile S of its junction with USFS Road 23N60. 990 Comment
  UCR148890  Clarkia mildrediae G. Fred Hrusa, T. D. Wilfred 1996-7-9 13169 Butte Sierra Nevada - Plumas National Forest, c. 1 m. on 22N89; immediately south of Rogers Cow Camp on Hwy 162 335 Comment
  CDA13315  Clarkia mildrediae subsp. lutescens G. F. Hrusa, T. D. Wilfred 1996-7-9 13161 Butte Sierra Nevada; USFS N60 approx. immed. E of bridge over Marble Creek. Comment
  CDA13328  Clarkia mildrediae subsp. lutescens G. F. Hrusa, T. D. Wilfred 1996-7-9 13174 Butte Sierra Nevada; Near intersection of 22N89 and Hwy 162. Approx. 0.2 m. on 22N89. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CDA13339  Clarkia mildrediae subsp. lutescens G. F. Hrusa, T. D. Wilfred 1996-7-9 13186 Butte Sierra Nevada; Approx. 0.5 m. on USFS 22N89. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CHSC28923  Clarkia mildrediae subsp. lutescens L. Hanson 1979-7-23 57 Plumas On Little North Fork Rd, along edge. Comment
  CHSC63970  Clarkia mildrediae subsp. lutescens B. Castro; Robin Fallscheer 1989-7-13 321 Butte Ca 4.5 road mi NE of Brush Creek, ca 0.2 mi SW of Junction House, on NW-facing road cut on SE side of the Oro-Quincy Hwy ca 0.6-0.7 mi S of its jcn with USFS Rd 23N60. 990 Comment
  CHSC73800  Clarkia mildrediae subsp. lutescens Ann Willyard 1997-7-16 Butte Ca 1 air mi SSW of Deer Park site on Rock Island Ridge, at E edge of USFS Rd 23N60 as it parallels Marble Creek, ca 0.7 air mi N of its confluence with Little North Fork Feather River. On roadcut. 1115 Comment
  CHSC73801  Clarkia mildrediae subsp. lutescens Ann Willyard 1997-7-16 Butte Ca 1.5 air mi S of Deer Park site on Rock Island Ridge, at E edge of USFS Rd 23N60 as it parallels Marble Creek, ca 0.5 air mi NE of its confluence with Little North Fork Feather River. On SW-facing roadcut ca 0.2 mi N of hairpin curve in road. 1143 Comment
  CHSC85558  Clarkia mildrediae subsp. lutescens G. F. Hrusa; T. D. Wilfred 1996-7-9 13174 Butte Sierra Nevada. Lassen National Forest. Near intersection of 22N89 and Hwy 162. Approx. 0.2 m. on 22N89. Immed. S of Rogers Cow Camp on Hwy 162. [Lat./Long. on label is '39 degrees 45' N; 121 degrees 18' W']. 1100 Comment
  CHSC88628  Clarkia mildrediae subsp. lutescens Linnea Hanson 1983-8-3 207 Butte Plumas National Forest. Little North Fork Road. 1219 Comment
  CDA13323  Clarkia mildrediae subsp. mildrediae G. F. Hrusa, T. D. Wilfred 1996-7-9 13169 Butte Sierra Nevada; Approx. 1 m. on 22N89. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  RSA671128  Clarkia mildrediae subsp. mildrediae G. Fred Hrusa, T. D. Wilfred 1995-7-9 13169 Butte Approx. 1 m. on 22N89, immediately S of Rogers Cow Camp on Hwy 162. 1100 Comment
  CHSC64111  Clarkia mosquinii L. P. Janeway 1994-7-7 4685 Butte Along Rd 23N60 0.9 mi east of Oroville-Quincy Hwy; south end of ridge above Little North Fork between Marble Creek and Spoon Ravine. 1127 Comment
  CHSC74102  Clarkia mosquinii B. Castro; L. Gehrung 1998-8-19 822 Butte Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, 100-300 ft W of Oro-Quincy Hwy on SE-facing side of SW-trending ridge E of Get-Up-and-Get Creek. 1210 Comment
  CHSC112352  Claytonia perfoliata subsp. perfoliata L. P. Janeway 3024-04-09 11223 Butte Northern High Sierra Nevada. Plumas National Forest; along Road 22N12Xwhere it crosses Peavine Creek just below the confluence of Coon Creek; French Creek Basin. 762 Comment
  CAS-BOT-BC91346  Clematis lasiantha Lowell Ahart 1974-8-9 s.n. Butte East of Marble Creek. 914 Comment
  CDA13301  Collinsia tinctoria G. F. Hrusa, T. D. Wilfred 1996-7-9 13149 Butte Plumas National Forest; E end of USFS N60 approx. 0.4 miles E of Marble Creek Bridge. E of Rogers Cow Camp. Comment
  CHSC43513  Collinsia tinctoria Lowell Ahart 1976-7-7 1170 Butte Along the edge of the road to the Little North Fork of the Feather River, about 2 miles north-east of Junction House. 1219 Comment
  CHSC79826  Collinsia tinctoria G. F. Hrusa; T. D. Wilfred 1996-7-9 13149 Butte Plumas National Forest. At E end of USFS N60 approx. 0.4 miles E of Marble Creek Bridge. [Lat./Long. on label is '39 45 N; 121 17 W']. 1100 Comment
  CDA13289  Corallorhiza maculata G. F. Hrusa, T. D. Wilfred 1996-7-9 13137 Butte Plumas National Forest; E of Jordan Creek near headwaters, S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13343  Corallorhiza maculata G. F. Hrusa, T. D. Wilfred 1996-7-9 13191 Butte Sierra Nevada; Above spring on 23N15, approx. 100 m to S of Hwy 162 across from entrance to Rogers Cow Camp. Comment
  CHSC2371  Corallorhiza maculata R. Carter 1965-6-21 249 Plumas Found on E side of Oroville-Quincy Rd., 3.05 mi. N of Buckeye Water Hole, ca. 10' from road. 1219 Comment
  CHSC63619  Cryptantha affinis B. Castro; R. Zebell 1989-7-20 325 Plumas Off the S end of Walker Plains, off S side of the Oro-Quincy Hwy. 1539 Comment
  CHSC33412  Cryptantha torreyana R. A. Schlising; R. Banchero 1980-7-11 3880 Butte At Merrimac in extreme NE part of county. 1203 Comment
  CHSC75493  Cuscuta californica G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3376 Plumas Southern end of Walker Plains, 0.4 mile northwest of Buckeye. 1524 Comment
  CHSC55056  Cuscuta subinclusa Lowell Ahart 1991-8-25 6706 Butte North side of the dirt road, Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), east of Oroville-Quincy Hwy, about 5 miles (air) north-east of Brush Creek. 1097 Comment
  UC1586409  Cuscuta subinclusa Lowell Ahart 1991-8-25 6706 Butte about 4 air mi ne Brush Creek (e of Oroville-Quincy Hwy, on the n side of the dirt road, Forest Rd 23N60 (Jordan Creek-Marble Creek Rd)) 1097 Comment
  CDA13306  Cystopteris fragilis G. F. Hrusa, T. D. Wilfred 1996-7-9 13152 Butte Sierra Nevada; on E side of bridge over Marble Creek on USFS N60. Comment
  CHSC33976  Cystopteris fragilis M. S. Taylor 1981-5-13 3694 Butte On e side of 23N15.5 ca. 1 mi s of its jct with Four Trees Rd, ca. 8 air mi e of Pulga and 0.5 mi w of Orovill-Quincy Hwy. 1371 Comment
  CHSC46168  Cystopteris fragilis Lowell Ahart 1973-5-31 250 Plumas Near the Little North Fork of the Feather River. 1066 Comment
  CAS-BOT-BC190482  Dactylis glomerata M. S. Taylor 1978-7-21 1815 Butte On south side of Oroville-Quincey Highway. Ca. 14 miles north of Lake Madrone. 1463 Comment
  CHSC28557  Dactylis glomerata M. S. Taylor 1978-7-21 1815 Butte On s side of Oroville-Quincy Hwy along creek in meadow, ca. 14 mi n of Lake Madrone. 548 Comment
  CAS-BOT-BC8794  Delphinium gracilentum Lowell Ahart 1980-5-29 2356 Butte 5 miles north-east of Mountain House 1100 Comment
  CAS-BOT-BC201891  Deschampsia elongata A. A. Heller 1915-7-7 12068 Plumas Near the summit of Soapstone Ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  UCD63417  Deschampsia elongata A. A. Heller 1915-7-7 12068 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks. 1676 Comment
  CHSC4594  Dicentra formosa C. Glascock 1965-6-12 434 Butte Ca. 34 mi. ne of Oroville on the Old Quincy Rd; ca. 50 yds n of road. Comment
  CHSC28699  Diplacus torreyi M. S. Taylor 1978-7-21 1813 Butte On s side of Oroville-Quincy Hwy along creek in meadow, ca. 14 mi n of Lake Madrone. 1463 Comment
  CHSC77063  Diplacus torreyi L. P. Janeway 1996-8-20 5072 Plumas Granite Basin; upper drainage of Little North Fork Middle Fork Feather River; along Road 23N35X 0.4 mi north of Road 23N18. 1493 Comment
  CHSC79836  Diplacus torreyi G. F. Hrusa; T. D. Wilfred 1996-7-9 13114 Butte Plumas National Forest. Above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. [Lat./Long. on label is '39 46 N; 121 17 W']. 1300 Comment
  CHSC63633  Draperia systyla B. Castro; R. Zebell 1989-7-20 326 Butte Off the S end of Walker Plains, on steep W-facing slopes off W side of the Oro-Quincy Hwy. 1402 Comment
  CHSC102585  Drosera rotundifolia L. P. Janeway; B. Castro 2009-7-4 9848 Plumas Northern High Sierra Nevada. Upper end of Rock Isl ... Field redacted by CHSC, contact the data manager for more information 1576 Comment
  CHSC116589  Dysphania botrys L. P. Janeway 2015-7-20 11802 Butte Northern High Sierra Nevada. Plumas Nastional Forest; Forest Service rock quarry at the southern corner of Walker Plains, on the southwest side of Oroville-Quincy Hwy. 1539 Comment
  CHSC74084  Dysphania pumilio B. Castro 1996-8-20 716 Butte Ca 5 air mi N of Brush Creek, ca 0.25 mi S of Rogers Cow Camp via 'J' spur rd S of USFS Rd 23N15. 1222 Comment
  GH365014  Elymus glaucus A. A. Heller 1915-7-7 12053 Unknown Near the summit of Soapstone ridge 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC206797  Elymus glaucus subsp. glaucus A. A. Heller 1915-7-7 12053 Plumas Near the summit of Soapstone Ridge, 12 miles west of Buck's 1676 Comment
  CDA13316  Elymus stebbinsii G. F. Hrusa, T. D. Wilfred 1996-7-9 13162 Butte Sierra Nevada; Dry, sunny, sandy bank on USFS N60 approx. immed. E of bridge over Marble Creek. Steep, dry rocky area, slopes near vertical. Perennial, uncommon here. Comment
  UCD62618  Elymus stebbinsii subsp. septentrionalis G. F. Hrusa; T. D. Wilfred 1996-7-9 13162 Butte On USFS N60 approx. immed. E of bridge over Marble Creek. Plumas National Forest. 1150 Comment
  CHSC85741  Elymus trachycaulus subsp. subsecundus G. F. Hrusa; T. D. Wilfred 1996-7-9 13162 Butte Sierra Nevada-Plumas National Forest. Bank on USFS N60 approx. immed. E of bridge over Marble Creek. [Lat./Long. on label is '39 degrees 46' N; 121 degrees 17' W']. 1150 Comment
  CHSC63646  Epilobium densiflorum B. Castro; R. Zebell 1989-7-20 328 Plumas Off the S end of Walker Plains, on S side of the Oro-Quincy Hwy. 1539 Comment
  CHSC54442  Epilobium glaberrimum Vernon H. Oswald; Lowell Ahart 1991-7-15 4738 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Marble Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. Just upstream from the bridge. 1051 Comment
  CHSC70336  Epilobium glaberrimum R. A. Schlising; R. Banchero 1980-7-11 3875 Butte E part of county on Oroville-Quincy Highway, 1.4 miles S of Merrimac and 4.2 miles N of Mountain House; in roadside ditch. Comment
  UC1586476  Epilobium glaberrimum subsp. glaberrimum Vernon H. Oswald and Lowell Ahart 1991-7-15 4738 Butte Forest Road 23N60 (Jordan Creek-Marble Creek Rd) at creek Marble Creek (e of Oroville-Quincy Hwy, ca 5.75 air mi ne of Brush Creek, e side of creek just upstream from bridge) 1051 Comment
  CHSC50410  Epilobium hallianum Vernon Oswald; Lowell Ahart 1990-6-27 4330 Butte Oro-Quincy Hwy at the south edge of Walker Plains, 0.3 mi west-northwest of Buckeye (site). 1536 Comment
  UC1562331  Epilobium hallianum Vernon Oswald and Lowell Ahart 1990-6-27 4330 Butte Oro-Quincy Hwy 0.3 mi wnw Buckeye (site) (s edge of plains); Walker Plains 1536 Comment
  CAS-BOT-BC174179  Eremogone cliftonii A. A. Heller 1915-7-7 12071 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CHSC101459  Eremogone cliftonii L. P. Janeway; Duryea Delacrois, Dorothy Kieffer 2009-7-1 9834 Plumas Northern High Sierra Nevada. Rock Island Ridge, a little west of Road 23N27 1.4 km south of Road 18, near survey monument 'Rock Island'; west edge of exposed rock and cliff overlooking Truck Ravine. 1564 Comment
  CHSC30859  Eremogone cliftonii L. Ahart 1980-9-10 2636 Butte Along the edge of the road, ca. 3 mi ne of Millsap Bar, ca. 27 mi ne of Oroville. 1100 Comment
Read comments Jul 8 2014
  CHSC35048  Eremogone cliftonii R. Schlising 1980-7-11 3882 Butte NE part of county at south end of Walker Plains. 1536 Comment
Read comments Jul 8 2014
  CHSC70792  Eremogone cliftonii B. Castro 1995-7-3 579 Plumas Plumas and Butte County. Ca 1 air mi N of Middle Fork Feather River, ca 1/2 mi W of Little Marble Cone, W of S end of 'B' spur off USFS Rd 22N29, W of old Kellogg fire lookout. 1463 Comment
Read comments Jul 8 2014
  CHSC92521  Eremogone cliftonii Samantha Mackey Hillaire; Matt Brown 2005-6-20 1224 Butte Near Four Trees Road. 1456 Comment
  UC852465  Eremogone cliftonii A. A. Heller 1915-7-7 12071 Plumas 12 mi w Bucks (Near the summit of Soapstone ridge); Sierra Nevada, Soapstone ridge 1676 Comment
  CDA13258  Eriogonum nudum var. deductum G. F. Hrusa, T. D. Wilfred 1996-7-9 13109 Butte Plumas National Forest; Nr. headwaters of Jordan Creek, S of Hwy 162 from Roger's Cow Camp. Comment
  CHSC63711  Eriogonum nudum var. nudum Lowell Ahart 1994-10-19 7566 Plumas Along the edge of the dirt road, near Boulder Creek, Granite Basin. 1615 Comment
  CHSC50416  Eriogonum nudum var. pubiflorum Vernon Oswald; Lowell Ahart 1990-6-27 4337 Butte Jordan Creek-Marble Creek Rd (23N60) between Spoon Ravine and Marble Creek, east side of Oro-Quincy Hwy, ca. 0.5 mi (air) northeast of Junction House (site). On an open roadcut. 1109 Comment
  JEPS87562  Eriogonum nudum var. pubiflorum Lowell Ahart 1994-10-19 7566 Plumas along dirt road near Boulder Creek; Granite Basin 1615 Comment
  UC1562313  Eriogonum nudum var. pubiflorum Vernon Oswald and Lowell Ahart 1990-6-27 4337 Butte ca. 0.5 air mi ne Junction House (site) (Jordan Creek-Marble Creek Rd. (23N60) between Spoon Ravine and Marble Creek, e side of Oro-Quincy Hwy.) 1109 Comment
  CHSC70811  Eriogonum ursinum var. ursinum B. Castro 1995-7-3 581 Plumas Label says Butte County also and also NE1/4 of Sec. 30. Ca 1 air mi N of Middle Fork Feather River, ca 1/2 mi W of Little Marble Cone, W of S end of 'B' spur off USFS Rd 22N29, W of old Kellogg fire lookout. 1463 Comment
  CDA13336  Eriophyllum lanatum var. croceum G. F. Hrusa, T. D. Wilfred 1996-7-9 13182 Butte Sierra Nevada; On USFS 22N89 approx. 0.3 m. from intersection of Hwy 162. Comment
  CHSC46817  Eriophyllum lanatum var. croceum R. A. Schlising; F. J. Fuller 1988-6-17 4544 Butte E Butte Co. NE of Brush Creek and Mountain House. 1194 Comment
  CHSC35763  Erysimum capitatum var. capitatum R. E. Preston 1982-6-18 306 Butte On roadcut on e side of Oro-Quincy Hwy; ca. 1.2 mi n of rd to Fourmile Ridge, ca. 3 mi ne of Brush Creek. 1036 Comment
  CHSC97004  Erythranthe breweri B. Castro 2005-7-7 1489 Plumas Ca 7 air mi SW of Bucks Lake and 1.5 air mi SE of Soapstone Hill, on Rock Island Ridge. Ca 2 mi SE of the Oro-Quincy Hwy on USFS Rd 23N18, on W side of road at jcn of the 'D' spur road. In center of large meadow. 1584 Comment
  CHSC74144  Erythronium purpurascens B. Castro 1998-7-9 808 Plumas Ca 7.5 air mi SW of Bucks Lake on Rock Island Ridge, ca 2 air mi E of the Oro-Quincy Hwy, on N side of USFS Rd 23N18. 1554 Comment
  CHSC46833  Euonymus occidentalis R. A. Schlising; F. J. Fuller 1988-6-17 4543 Butte NE of Brush Creek and Mountain House, at Jordan Creek. 1097 Comment
  CDA13267  Euonymus occidentalis var. occidentalis G. F. Hrusa, T. D. Wilfred 1996-7-9 13115 Butte Plumas National Forest; Jordan Creek at old Picnic Area above falls before confluence with Marble Creek. Comment
  CHSC54474  Euonymus occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1991-7-15 4736 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Jordan Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. 1082 Comment
  UC1586472  Euonymus occidentalis var. occidentalis Vernon H. Oswald and Lowell Ahart 1991-7-15 4736 Butte Forest Rd. 23N60 (Jordan Creek-Marble Creek Rd.) at Jordan Creek (e. of Oroville-Quincy Hwy., ca. 5.75 mi. (air) n.e. of Brush Creek) 1082 Comment
  UCD144333  Euonymus occidentalis var. occidentalis G. F. Hrusa; T. D. Wilfred 1996-7-9 13115 Butte Plumas National Forest. On Jordan Creek at old Picnic Area above falls before confluence with Marble Creek. 1175 Comment
  CHSC50439  Festuca elmeri Vernon Oswald; Lowell Ahart 1990-6-27 4325 Butte Jordan Creek-Marble Creek Rd (23N60) between Spoon Ravine and Marble Creek, east side of Oro-Quincy Hwy, ca. 0.5 mi (air) northeast of Junction House (site). 1109 Comment
  UC1562328  Festuca elmeri Vernon Oswald and Lowell Ahart 1990-6-27 4325 Butte ca 0.5 mi (air) ne Junction House (site) (Jordan Creek-Marble Creek Rd (23N60) between Spoon Ravine and Marble Creek, e side of Oro-Quincy Hwy) 1109 Comment
  CDA13296  Festuca occidentalis G. F. Hrusa, T. D. Wilfred 1996-7-9 13144 Butte Plumas National Forest; Occasional on dry, shaded slopes in coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp. Perennial. Comment
  CHSC107921  Festuca occidentalis L. P. Janeway 2011-7-21 10518 Butte Northern High Sierra Nevada. Plumas National Forest; along Road 23N60 between crossings of Jordan Creek and Marble Creek, 3.1 air km east of Rogers Cow Camp. Mostly along the outer road edge, but also on the cut-bank. 1067 Comment
  CHSC59046  Festuca subulata Lowell Ahart 1992-6-26 6784 Butte On the east side of Rogers Cow Camp, about 1/2 mile north-west of Merrimac. 1219 Comment
  CHSC74165  Festuca subulata B. Castro; L. Gehrung 1998-6-23 796 Butte Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, ca 200 ft W of Oro-Quincy Hwy on E side of ridge overlooking Get-Up-and-Get Creek. Ca 100 ft above creek channel. 1213 Comment
  CHSC43057  Fragaria vesca L. P. Janeway 1987-6-5 2151 Butte Upper reach of Carey Gulch where rd 22N89 crosses it 0.5 mi from Oro Quincy Hwy. Edge of road near creek. 1097 Comment
  CAS-BOT-BC55668  Frangula purshiana A. A. Heller 1915-7-7 12070 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC55669  Frangula purshiana A. A. Heller 1915-7-7 12050 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC55670  Frangula purshiana A. A. Heller 1915-7-7 12050 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC55671  Frangula purshiana A. A. Heller 1915-7-7 12070 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CHSC82358  Frangula purshiana Lowell Ahart 2002-7-6 9838 Plumas On the southwest side of a meadow, on the west side of the dirt road, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  A378297  Frangula purshiana subsp. annonifolia A. A. Heller 1915-7-7 12070 Unknown Near the summit of Soapstone ridge in the Sierra Nevada,12 miles west of Bucks 1676 Comment
  A378298  Frangula purshiana subsp. annonifolia A. A. Heller 1915-7-7 12050 Unknown Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CHSC98743  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-12 9160 Plumas Northern High Sierra Nevada. Meadow at a northeastern headwaters of Marble Creek; along Road 23N18D 150m southwest of Road 18; northern end of Rock Island Ridge, 1.3 km south-southeast of Soapstone Hill. 1603 Comment
  CHSC98748  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-15 9194 Plumas Northern High Sierra Nevada. Granite Basin, along Little North Fork Middle Fork Feather River near the Road 18 bridge. Riparian strip along edges of creek. 1381 Comment
  GH378290  Frangula purshiana subsp. annonifolia A. A. Heller 1915-7-7 12050 Unknown Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  HSC100832  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-15 9194 Plumas Granite Basin, along the Little North Fork Middle Fork Feather River near the Rd. 18 bridge. 421 Comment
  RSA739860  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-12 9160 Plumas Northern High Sierra Nevada, Meadow at a northeastern headwaters of Marble Creek, along road 23N18D 150m SW of road 18, Northern end of Rock Island Ridge, 1.3km SSE of Soapstone Hill. 1603 Comment
  CHSC33790  Galium triflorum M. S. Taylor 1981-5-14 3714 Butte N side of Four Mile Ridge-22N33, S of Sly Creek, ca. 1.5 mi NE of Mountain House on Oroville-Quincy Hwy. 853 Comment
  CDA13283  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, T. D. Wilfred 1996-7-9 13131 Butte Plumas National Forest; E side above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC37445  Gayophytum heterozygum R. A. Schlising; R. Banchero 1980-7-11 3884 Butte E side of county ne of Berry Creek and Brush Creek at south end of Walker Plains. 1536 Comment
  CDA13308  Geum macrophyllum G. F. Hrusa, T. D. Wilfred 1996-7-9 13154 Butte Sierra Nevada; Jordan Creek on W side of bridge over Marble Creek on USFS N60. Comment
  UC879977  Gilia capitata subsp. capitata A. A. Heller 1915-7-7 12052 Plumas 12 mi w Bucks (near the summit Soapstone ridge); Sierra Nevada, nr summit Soapstone Ridge, w of Bucks 1676 Comment
  CHSC41373  Gilia capitata subsp. mediomontana R. A. Schlising; R. Banchero 1980-7-11 3878 Butte NE part of county near Merrimac; roadsides. 1203 Comment
  CDA13341  Glyceria elata G. F. Hrusa, T. D. Wilfred 1996-7-9 13189 Butte Sierra Nevada; Wet, deeply shaded springline above spring on 23N15, approx. 100 m to S of Hwy 162 across from entrance to Rogers Cow Camp. Individuals to 2 m. tall. Coniferous forest, w/ generally dry understory. Comment
  UCD85124  Glyceria elata G. F. Hrusa; T. D. Wilfred 1996-7-9 13189 Butte Plumas National Forest. On 23N15, approx. 100 m. to S of Hwy 162 across from entrance to Rogers Cow Camp. 1250 Comment
  UC1586523  Goodyera oblongifolia Lowell Ahart 1991-9-19 6728 Butte about 2 mi nw of Four Trees (about 2 mi w of Croville-Quincy Highway, about 2 mi ne of Coyote Gap, near where 2 branches of Wildcat Creek come together); Wildcat Creek 1219 Comment
  CHSC102583  Helenium bigelovii L. P. Janeway; B. Castro 2009-7-4 9845 Plumas Northern High Sierra Nevada. Upper end of Rock Island Ridge. 1576 Comment
  CHSC74081  Herniaria hirsuta subsp. hirsuta B. Castro 1996-8-20 715 Butte Black Jack Fire. Ca 5 air mi N of Brush Creek, ca 0.25 mi S of Rogers Cow Camp via 'J' spur rd S of USFS Rd 23N15. 1222 Comment
  CHSC30803  Heterocodon rariflorum M. S. Taylor 1978-7-21 1828 Butte On s side of Oroville-Quincy Hwy along creek in meadow, ca. 14 mi n of Lake Madrone. 1463 Comment
  SEINET1915173 Image available Heuchera rubescens var. versicolor J. A. Ewan 1934-6-26 8293 Plumas Frazier Creek Falls, Gold Lake Road 1829 Comment
  CHSC63657  Horkelia fusca subsp. parviflora B. Castro; R. Zebell 1989-7-20 330 Plumas Ca 1.5 mi S of Walker Plains, in meadow near 'Elks Retreat'. 1383 Comment
  CHSC102582  Hosackia oblongifolia var. oblongifolia L. P. Janeway; B. Castro 2009-7-4 9846 Plumas Northern High Sierra Nevada. Upper end of Rock Island Ridge. 1576 Comment
  CHSC74089  Hosackia oblongifolia var. oblongifolia B. Castro; E. Hubert 1996-7-16 684 Butte BlackJack Fire. Ca 5 air mi N of Brush Creek, ca 0.4 mi S of Rogers Cow Camp on S-facing slope of recently burned area. 1188 Comment
  CDA11935  Ipomopsis aggregata subsp. bridgesii G. F. Hrusa, J. Dinsdale 1989-6-27 7210 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  CHSC29248  Juncus effusus subsp. pacificus M. S. Taylor 1978-7-21 1811 Butte On s side of Oroville-Quincy Hwy along a creek in a meadow, ca. 14 mi n of Lake Madrone. 1463 Comment
  CHSC110250  Juncus howellii L. P. Janeway 2012-8-28 11055 Plumas Northern High Sierra Nevada. Meadow at north end of Rock Is-land Ridge 1.1 km southeast of Soapstone Hill; west side of inter-section of Road 23N18 and its D spur. 1593 Comment
  CHSC110877  Juniperus communis Tim Hanson 2013-6-20 1 Plumas Northern High Sierra Nevada. On the south side of Coldwater Creek .8 km upstream from its confluence with the Little North Fork of the Middle Fork of the Feather River. 1421 Comment
  JEPS120535  Juniperus communis Tim Hanson 2013-6-20 1 Plumas Northern High Sierra Nevada. On south side of Coldwater Creek .8km upstream from its confluence with the Little North Fork of the Middle Fork of the Feather River. Comment
  RSA0115085  Juniperus communis Tim Hanson 2013-6-20 1 Plumas Northern High Sierra Nevada. On the south side of Coldwater Creek 0.8 km upstream from its confluence with the Little North Fork of the MIddle Fork of the Feather River. 1421 Comment
  CDA11938  Kelloggia galioides G. F. Hrusa, J. Dinsdale 1989-6-27 7203 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  CHSC50422  Kelloggia galioides Vernon Oswald; Lowell Ahart 1990-6-27 4326 Butte Oro-Quincy Hwy between Merrimac and Buckeye sites, ca. 0.4 mi south of Plumas County line. Comment
  UC1562332  Kelloggia galioides Vernon Oswald and Lowell Ahart 1990-6-27 4326 Butte between Merrimac and Buckeye (Oro-Quincy Hwy, ca 0.4 mi s of the Plumas County line) 1402 Comment
  CHSC28687  Lathyrus jepsonii var. californicus M. S. Taylor 1978-7-21 1833 Butte On n side of Oroville-Quincy Hwy in open meadow, ca. 1 mi s of Butte Couty-Plumas County. Comment
  CDA13276  Lathyrus sulphureus G. F. Hrusa, T. D. Wilfred 1996-7-9 13124 Butte Plumas National Forest; Summit of N ridge above Jordan Creek. Nr. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  JEPS103323  Ledum glandulosum Lowell Ahart 2002-7-6 9841 Plumas On the S side of the dirt road and S of the large meadow, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  CHSC2429  Leptosiphon ciliatus R. Carter 1965-6-21 251 Butte Found on Oroville-Quincy Rd. at Merrimac, 5.5 mi. N of Mountain House, E 10' from road and S 15' from creek. 1176 Comment
  CHSC63651  Leptosiphon ciliatus B. Castro; R. Zebell 1989-7-20 329 Plumas Off the S end of Walker Plains, on S side of the Oro-Quincy Hwy. 1539 Comment
  CDA13325  Leptosiphon filipes G. F. Hrusa, T. D. Wilfred 1996-7-9 13171 Butte Sierra Nevada; Approx. 1 m. on 22N89 and 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CHSC85684  Leptosiphon filipes G. F. Hrusa; T. D. Wilfred 1996-7-9 13171 Butte Sierra Nevada--Plumas National Forest. On roadsides. Approx. 1 m. on 22N89 amd 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. [Lat./Long. on label is '39 degrees 45' N; 121 degrees 18' W']. 1100 Comment
  CHSC82355  Leucothoe davisiae Lowell Ahart 2002-7-6 9842 Plumas On the south side of the dirt road and south of the large meadow, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  JEPS103433  Leucothoe davisiae Lowell Ahart 2002-7-6 9842 Plumas On the S side of the dirt road and S of the large meadow, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  JEPS103594  Leucothoe davisiae Lowell Ahart 2002-7-6 9842 Plumas On the S side of the dirt road and S of the large meadow, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  CAS-BOT-BC444566  Lewisia triphylla A. A. Heller 1915-7-7 12063 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC444567  Lewisia triphylla A. A. Heller 1915-7-7 12063 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CHSC71627  Ligusticum californicum Vernon H. Oswald; Lowell Ahart 1998-8-11 9472 Butte Four Trees-Coyote Gap Rd. 0.1 mi west of Four Trees. 1578 Comment
  JEPS93942  Ligusticum californicum Vernon H. Oswald and Lowell Ahart 1998-8-11 9472 Butte Four Trees-Coyote Gap Road 1 mi w of Four Trees; Four Trees-Coyote Gap Road 1578 Comment
  CDA13279  Ligusticum grayi G. F. Hrusa, T. D. Wilfred 1996-7-9 13127 Butte Plumas National Forest; on N ridge above Jordan Creek. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA11933  Lilium kelleyanum G. F. Hrusa, J. Dinsdale 1989-6-27 7208 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  CHSC71663  Lilium washingtonianum subsp. washingtonianum Vernon H. Oswald; Lowell Ahart 1998-8-11 9474 Butte Four Trees-Coyote Gap Rd. 0.1 mi west of Four Trees. 1578 Comment
  CDA13268  Lilium washingtonianum var. washingtonianum G. F. Hrusa, T. D. Wilfred 1996-7-9 13116 Butte Plumas National Forest; Slopes above Jordan Creek at old Picnic Area above falls before confluence with Marble Creek. Comment
  SEINET9369866  Linanthus filipes Unknown 1996-7-9 13171 Butte Plumas National Forest Comment
  CDA13285  Linnaea borealis var. longiflora G. F. Hrusa, T. D. Wilfred 1996-7-9 13133 Butte Plumas National Forest; along Jordan Ck, at top of waterfall above confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp Comment
  CHSC101466  Listera convallarioides L. P. Janeway; Jason Emmons, Dorothy Kieffer 2009-4-29 9830 Plumas Northern High Sierra Nevada. Rock Island Ridge, 1.8 air km east of Walker Plains. Small seep and associated southwest-flowing drainage on upper ridge. 1558 Comment
  CHSC59029  Listera convallarioides Lowell Ahart 1992-6-26 6780 Butte On the east side of Rogers Cow Camp, about 1/2 mile north-west of Merrimac. 1219 Comment
  UC1594679  Listera convallarioides Lowell Ahart 1992-6-26 6780 Butte about 1/2 mi nw Merrimac (e side of camp); Rogers Cow Camp 1219 Comment
  CAS-BOT-BC430879  Lithophragma bolanderi Lowell Ahart 1980-5-29 2357 Butte 5 miles north-east of Mountain House 1100 Comment
  UC1562314  Lotus grandiflorus var. macranthus Vernon Oswald and Lowell Ahart 1990-6-27 4324 Butte ca 0.5 mi (air) nne Junction House (Jordan Creek-Marble Creek Rd (23N60) near Spoon Ravine, e side of Oro-Quincy Hwy) 1097 Comment
  CDA13324  Lotus nevadensis G. F. Hrusa, T. D. Wilfred 1996-7-9 13170 Butte Sierra Nevada; Approx. 1 mi. on 22N89. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CDA13319  Lotus nevadensis var. nevadensis G. F. Hrusa, T. D. Wilfred 1996-7-9 13165 Butte Sierra Nevada; on USFS 22N80 overlooking drainages of Marble Creek and Jordan Ck to N. Comment
  CDA13333  Lotus nevadensis var. nevadensis G. F. Hrusa, T. D. Wilfred 1996-7-9 13179 Butte Sierra Nevada; approx. 0.4 m from Hwy 162 on 22N89. Comment
  CHSC34692  Lupinus albicaulis var. shastensis M. S. Taylor 1981-5-14 3716 Butte N side of 23N00.2, 2.9 mi sw of Merrimac on Oroville-Quincy Hwy. 975 Comment
  CHSC36098  Lupinus apertus R. A. Schlising; K. Tarp, D. Burk 1982-6-16 4298 Butte E part of county, 0.7 mi S of Plumas County line on Oroville-Quincy Hwy. Comment
  CAS-BOT-BC196676  Lupinus breweri var. breweri J. T. Vale 1989-10-4 s.n. Plumas Rd. Bucks Ck - Oroville 1981 Comment
  CDA13259  Lupinus grayi G. F. Hrusa, T. D. Wilfred 1996-7-9 13110 Butte Plumas National Forest; Nr. headwaters of Jordan Creek, S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13329  Lupinus grayi G. F. Hrusa, T. D. Wilfred 1996-7-9 13175 Butte Sierra Nevada; at S end of 22N12X. Approx. 0.5 m. on 22N89 and 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CDA13334  Lupinus grayi G. F. Hrusa, T. D. Wilfred 1996-7-9 13180 Butte Sierra Nevada; at S end of 22N12X. Approx. 0.5 m. on 22N89 and 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. w/ 13175. Comment
  CAS-BOT-BC323940  Lupinus latifolius subsp. longipes M. S. Taylor 1978-7-21 1822 Butte On S side of Oroville-Quincy Hwy, ca 14 mi N of Lake Madrone. 1463 Comment
  CHSC31153  Lupinus latifolius var. columbianus M. S. Taylor 1978-7-21 1822 Butte On s side of Oroville-Quincy Hwy, ca. 14 mi n of Lake Madrone. 1463 Comment
  CHSC71639  Lupinus latifolius var. columbianus Vernon H. Oswald; Lowell Ahart 1998-8-11 9471 Butte Four Trees-Coyote Gap Rd. 0.4 mi west of Four Trees. 1530 Comment
  JEPS93938  Lupinus latifolius var. columbianus Vernon H. Oswald and Lowell Ahart 1998-8-11 9471 Butte Four Trees-Coyote Gap Road 0.4 mni w of Four Trees; Four Trees-Coyote Gap Road 1530 Comment
  UCD108182  Lupinus latifolius var. columbianus A. A. Heller 1915-7-7 12051 Plumas Near the summit of Soapstone ridge 12 miles west of Bucks. 1676 Comment
Read comments Apr 1 2012
  CDA13344  Lupinus nanus G. F. Hrusa, T. D. Wilfred 1996-7-9 13192 Butte Sierra Nevada; along Hwy 162. Near entrance to Rogers Cow Camp. Comment
  CHSC34691  Lupinus nanus M. S. Taylor 1981-5-14 3717 Butte N side of 23N00.2, 2.5 mi sw of Merrimac on Oroville-Quincy Hwy. 975 Comment
  CHSC79742  Lupinus nanus G. F. Hrusa; T. D. Wilfred 1996-7-9 13192 Butte Sierra Nevada Flora - Plumas National Forest. Roadside colony along Hwy 162 near entrance to Rogers Cow Camp. [Lat./Long. on label is '39 46 N; 121 17 W']. 1250 Comment
  CDA13297  Luzula comosa G. F. Hrusa, T. D. Wilfred 1996-7-9 13145 Butte Plumas National Forest; Jordan Creek, above waterfall nr. confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC55303  Luzula parviflora Lowell Ahart 1991-8-25 6707 Butte Along Haphazard Creek, about 1 mile northwest of Rogers Cow Camp, west of Oroville-Quincy Hwy, about 6 miles northeast of Brush Creek. 1219 Comment
  CHSC55304  Luzula parviflora Lowell Ahart 1991-8-25 6705 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) just south of Jordan Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. 1082 Comment
  UC1586522  Luzula parviflora Lowell Ahart 1991-8-25 6705 Butte just s Jordan Creek (Forest Rd. 23N60 (Jordan Creek-Marble Creek Rd.), e of Oroville-Quincy Hwy., ca 5.75 mi (air) ne of Brush Creek); just s of Jordan Creek 1082 Comment
  UC1586526  Luzula parviflora Lowell Ahart 1991-8-25 6707 Butte about 1 mi nw Rogers Cow Camp (along Haphazard Creek, about 6 mi ne of Brush Creek, w of Oroville-Quincy Hwy); along Haphazard Creek, ne of Brush Creek, nw of Rogers Cow C 1219 Comment
  CHSC28000  Lychnis coronaria M. S. Taylor 1978-7-21 1821 Butte On s side of Oroville-Quincy Hwy along creek, ca. 14 mi n of Lake Madrone. 1463 Comment
  CDA13326  Madia elegans subsp. elegans G. F. Hrusa, T. D. Wilfred 1996-7-9 13172 Butte Sierra Nevada; S end of 22N12X. Approx. 0.5 m. on 22N89 and 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CHSC76036  Madia elegans subsp. elegans G. F. Hrusa; T. D. Wilfred 1996-7-9 13172 Butte Sierra Nevada. Plumas National Forest. At S end of 22N12X. Approx. 0.5 m. on 22N89 and 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. [Original Lat./Long. on label is '39 45 N; 121 18 W']. 1100 Comment
  CDA13275  Madia gracilis G. F. Hrusa, T. D. Wilfred 1996-7-9 13123 Butte Plumas National Forest; Above Jordan Creek. Nr. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC2412  Maianthemum racemosum R. Carter 1965-6-21 250 Plumas Found on E side of Oroville-quincy Rd. 3.05 mi. N of Buckeye Water Hole, ca. 20' from road. 1219 Comment
  CHSC33974  Maianthemum stellatum M. S. Taylor 1981-5-13 3705 Butte Jct of 23N15.5, 22N66X, and 22N40X, ca. 2 air mi s of Four Trees R, ca. 1 air mi w of Elks Retreat on Oroville-Quincy Hwy. 1280 Comment
  CDA13274  Malacothrix floccifera G. F. Hrusa, T. D. Wilfred 1996-7-9 13122 Butte Plumas National Forest; N ridge above Jordan Creek. Nr. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13327  Malacothrix floccifera G. F. Hrusa, T. D. Wilfred 1996-7-9 13173 Butte Sierra Nevada; S end of 22N89. Approx. 0.5 m. on 22N89. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CHSC76037  Malacothrix floccifera G. F. Hrusa; T. D. Wilfred 1996-7-9 13187 Butte Sierra Nevada. Plumas National Forest. [Original Lat./Long. on label is '39 45 N; 121 18 W']. 1150 Comment
  HSC94149  Malacothrix floccifera G. Fred Hrusa, T. D. Wilfred 1996-7-9 13185 Butte Approx 1 mi. on 22N89. Immediately S of Rogers Cow Camp on Hwy. 162. 1150 Comment
  CDA13300  Melica aristata G. F. Hrusa, T. D. Wilfred 1996-7-9 13148 Butte Plumas National Forest; Scattered individuals in old roadbed. Coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp on 23N15. Perennial. Comment
  CHSC64258  Melica aristata B. Castro; R. Zebell 1989-7-20 329 a Plumas Off the S end of Walker Plains, on S side of the Oro-Quincy Hwy. 1539 Comment
  CHSC74167  Melica aristata B. Castro; L. Gehrung 1998-8-19 823 Butte Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, 100-300 ft W of Oro-Quincy Hwy on top and upper sides of ridge E of Get-Up-and-Get Creek. 1213 Comment
  UCR115081  Melica aristata G. Fred Hrusa, T. D. Wilfred 1996-7-9 13148 Butte Sierra Nevada Mtns., Plumas National Forest. Above Jordan Creek, south of Hwy 162 near Roger's Cow Camp 1250 Comment
  CDA13298  Melica harfordii G. F. Hrusa, T. D. Wilfred 1996-7-9 13146 Butte Plumas National Forest; Common colonies on dry, shaded slopes in coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp. Perennial. Comment
  CHSC107923  Melica harfordii L. P. Janeway 2011-7-21 10519 Butte Northern High Sierra Nevada. Plumas National Forest; along Road 23N60 between crossings of Jordan Creek and Marble Creek, 3.1 air km east of Rogers Cow Camp. On steep 10 m high road cut-banks. 1067 Comment
  UCR115105  Melica harfordii G. Fred Hrusa, T. D. Wilfred 1996-7-9 13146 Butte Sierra Nevada Mtns., Plumas National Forest. Above Jordan Creek, south of Hwy 162 near Roger's Cow Camp 1250 Comment
  CDA13293  Melica subulata G. F. Hrusa, T. D. Wilfred 1996-7-9 13141 Butte Plumas National Forest; Occasional individuals on dry, shaded slopes in coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp. Perennial. Comment
  UCR115089  Melica subulata G. Fred Hrusa, T. D. Wilfred 1996-7-9 13141 Butte Sierra Nevada Mtns., Plumas National Forest. Above Jordan Creek, south of Hwy 162 near Roger's Cow Camp 1250 Comment
  CHSC54438  Melilotus officinalis Vernon H. Oswald; Lowell Ahart 1991-7-15 4734 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), 2.1 miles east of its junction with Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. 1082 Comment
  UC1586473  Melilotus officinalis Vernon H. Oswald and Lowell Ahart 1991-7-15 4734 Butte Forest Rd No 23N60 (Jordan Creek-Marble Creek Rd) 2.1 mi e junction with Oroville-Quincy Hwy (ca 5.75 air mi ne of Brush Creek) 1082 Comment
  CAS-BOT-BC349347  Microseris nutans A. A. Heller 1915-7-7 12060 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC349348  Microseris nutans A. A. Heller 1915-7-7 12060 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  UC829405  Microseris nutans A. A. Heller 1915-7-7 12060 Plumas 12 w Bucks (near the summit of Soapstone ridge); Sierra Nevada 1676 Comment
  CDA13309  Mimulus moschatus G. F. Hrusa, T. D. Wilfred 1996-7-9 13155 Butte Sierra Nevada; Jordan Creek on W side of bridge over Marble Creek on USFS N60. Comment
  CHSC28680  Mimulus moschatus M. S. Taylor 1978-7-21 1827 Butte On s side of Oroville-Quincy Hwy along creek in meadow in Yellow Pine Forest, ca. 14 mi n of Lake Madrone. 1463 Comment
  CDA13266  Mimulus torreyi G. F. Hrusa, T. D. Wilfred 1996-7-9 13114 Butte Plumas National Forest; Above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC60102  Monardella breweri subsp. lanceolata B. Castro; J. Jurewicz 1991-9-16 447 Butte Ca 23 air mi NE of Oroville, ca 4 mi NE of Mtn. House along Oro-Quincy Hwy, on E side of USFS Rd 22N80 ca 0.2 mi NE of its jcn with the Oro-Quincy Hwy. 1203 Comment
  CDA13313  Monardella sheltonii G. F. Hrusa, T. D. Wilfred 1996-7-9 13159 Butte Sierra Nevada; USFS N60 approx. 0.4 m E of bridge over Marble Creek. Comment
  CDA13337  Monardella sheltonii G. F. Hrusa, T. D. Wilfred 1996-7-9 13183 Butte Sierra Nevada; S end of USFS 22N12X. Approx. 0.5 m. on 22N89 and 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  CHSC70801  Monardella sheltonii B. Castro 1989-8-9 373 Plumas Vicinity of Little North Fork Campground, ca 7 road mi E of jcn of the Oro-Quincy Hwy and USFS Rd 23N60. 1127 Comment
  CDA13311  Montia parvifolia G. F. Hrusa, T. D. Wilfred 1996-7-9 13157 Butte Sierra Nevada; E side of bridge over Marble Creek on USFS 23N60. Comment
  CHSC77077  Muhlenbergia filiformis L. P. Janeway 1996-8-20 5074 Plumas Granite Basin; upper drainage of Little North Fork Middle Fork Feather River; along Road 23N35X 0.4 mi north of Road 23N18. 1493 Comment
  CHSC63634  Nama lobbii B. Castro; R. Zebell 1989-7-20 324 Plumas Off the S end of Walker Plains, on S side of the Oro-Quincy Hwy. 1524 Comment
  CHSC50415  Navarretia capillaris Vernon Oswald; Lowell Ahart 1990-6-27 4331 Butte Oro-Quincy Hwy at the south edge of Walker Plains, 0.3 mi west-northwest of Buckeye (site). 1536 Comment
  UC1562317  Navarretia capillaris Vernon Oswald and Lowell Ahart 1990-6-27 4331 Butte 0.3 mi wnw Buckeye (site) (Oro-Quincy Hwy at the s edge of Walker Plains); s edge Walker Plains, nw of Buckeye (site) 1536 Comment
  CHSC34987  Navarretia divaricata R. A. Schlising; R. Banchero 1980-7-11 3879 Butte Merrimac, in NE part of county. 1203 Comment
  CDA18488  Navarretia divaricata subsp. divaricata G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3370 Plumas Sierra Nevada; Walker Plains. Basalt formation along the Plumas-Butte county line. 1554 Comment
  CHSC63650  Navarretia leptalea B. Castro; R. Zebell 1989-7-20 323 Butte S end of Walker Plains, on W side of the Oro-Quincy Hwy. 1539 Comment
  UCD110184  Notholithocarpus densiflorus W. L. Jepson 1924-7-18 10602 Plumas Above Merrimac. Brecks Valley to Meadow Valley. Comment
Read comments Mar 30 2016
  CHSC73416  Orthilia secunda B. Castro; H. Durio 1995-10-26 628 Plumas Ca 4 air mi SW of Bucks Lake in Granite Basin, and ca 0.1 mi E of a 4WD trail which heads N from USGS Rd 23N18.Along perennial tributary to the Little North Fork Middle Fork Feather River. 1539 Comment
  CDA13265  Panicum acuminatum var. acuminatum G. F. Hrusa, T. D. Wilfred 1996-7-9 13113 Butte Plumas National Forest; Uncommon perennial on moist edge of Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Forest dense, diverse here. Comment
  CHSC32045  Pellaea brachyptera L. Ahart 1975-8-29 968 Plumas On ridge between Oxford and Coquette Creeks, ca. 10 mi s of Bucks Lake. 1828 Comment
  CDA13270  Penstemon laetus var. leptosepalus G. F. Hrusa, T. D. Wilfred 1996-7-9 13118 Butte Plumas National Forest; Jordan Creek, above falls before confluence with Marble Creek. Comment
  CHSC116588  Penstemon laetus var. leptosepalus L. P. Janeway 2015-7-20 11803 Butte Northern High Sierra Nevada. Plumas Nastional Forest; Forest Service rock quarry at the southern corner of Walker Plains, on the southwest side of Oroville-Quincy Hwy. 1539 Comment
  CHSC28922  Penstemon laetus var. leptosepalus L. Hanson 1979-7-11 29 Plumas Kellogg Lookout Area. Comment
  CHSC71655  Penstemon laetus var. leptosepalus Vernon H. Oswald; Lowell Ahart 1998-8-11 9473 Butte Four Trees-Coyote Gap Rd. 0.1 mi west of Four Trees. 1578 Comment
  JEPS93937  Penstemon laetus var. leptosepalus Vernon H. Oswald and Lowell Ahart 1998-8-11 9473 Butte Four Trees-Coyote Gap Road 0.1 mi w of Four Trees; Four Trees-Coyote Gap Road 1578 Comment
  NY604511  Penstemon laetus var. leptosepalus A. A. Heller 1915-7-7 12073 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676.4 Comment
  SEINET4207731  Penstemon laetus var. leptosepalus Mikel R. Stevens 2011-8-27 213 Plumas Walker Plains. Old quarry area (now parking area) at junction of Bucks Lake Rd (Oroville Quincy Hwy) with Basalt Rd. Ca 12.5 mi S of Bucks Lake on Bucks Lake Rd. East side of Rd.; 0 1559 Comment
  CHSC28918  Penstemon personatus L. Hanson 1979-8-10 67 Plumas On ridge south of Coldwater Creek downslope from Coldwater Creek Rd. Comment
  CHSC88825  Penstemon personatus L. Hanson 1979-8-10 65 Plumas Plumas National Forest. On ridge so. of Coldwater Creek downslope from Coldwater Creek road. 1524 Comment
  CHSC88981  Penstemon personatus L. Hanson 1988-8-22 329 Plumas Plumas National Forest. Buckhorn Creek. 1676 Comment
  HSC66381  Penstemon personatus L. Hanson 1979-8-10 66 Plumas Ridge S of Coldwater Creek, downslope from Coldwater Creek Rd. Comment
  CHSC110249  Perideridia parishii subsp. latifolia L. P. Janeway 2012-8-28 11054 Plumas Northern High Sierra Nevada. Meadow at north end of Rock Is-land Ridge 1.1 km southeast of Soapstone Hill; west side of inter-section of Road 23N18 and its D spur. 1593 Comment
  RSA0045594  Perideridia parishii subsp. latifolia L. P. Janeway 2012-8-28 11054 Plumas Northern High Sierra Nevada. Meadow at north end of Rock Island Ridge 1.1 km southeast of Soapstone Hill; west side of intersection of Road 23N18 and its D spur. 1593 Comment
  CDA13303  Phacelia heterophylla subsp. virgata G. F. Hrusa, T. D. Wilfred 1996-7-9 13151 Butte Plumas National Forest; along USFS N60 near Marble Creek Bridge. E of Rogers Cow Camp. Comment
  CDA13299  Phleum pratense G. F. Hrusa, T. D. Wilfred 1996-7-9 13147 Butte Plumas National Forest; Few individuals on shaded wet bank of Jordan Creek, above waterfall nr. confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC28558  Phleum pratense M. S. Taylor 1978-7-21 1814 Butte On s side of Oroville-Quincy Hwy along a creek in a meadow, ca. 14 mi n of Lake Madrone. 548 Comment
  UCR115104  Phleum pratense G. Fred Hrusa, T. D. Wilfred 1996-7-9 13147 Butte Sierra Nevada Mtns., Plumas National Forest. Above Jordan Creek, south of Hwy 162 near Roger's Cow Camp 1250 Comment
  CHSC33824  Pinus ponderosa M. S. Taylor 1981-5-14 3720 Plumas Walker Plains, both sides of Oroville-Quincy Hwy, ca. 0.5 mi s of Four Trees Rd jct, on Butte-Plumas county line. 1524 Comment
  CHSC54458  Piperia colemanii Vernon H. Oswald 1991-7-15 4731 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), just east of its juction with Oroville-Quincy Hwy, ca. 4.75 miles (air) northeast of Brush Creek. 1109 Comment
  CHSC2445  Piperia transversa R. Carter 1965-7-6 275 Butte Found along E side of Oroville-Quincy R., 5.2 mi. N of Mountain House, ca. 5' from road. 1219 Comment
  CHSC54457  Piperia transversa Vernon H. Oswald; Lowell Ahart 1991-7-15 4732 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), just east of its junction with Oroville-Quincy Hwy, ca. 4.75 miles (air) northeast of Brush Creek. 1109 Comment
  UC1586475  Piperia transversa Vernon H. Oswald and Lowell Ahart 1991-7-15 4732 Butte ca 4.75 mi (air) ne Brush Creek (Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), just e of its junction with Oroville-Quincy Hwy) 1109 Comment
  CHSC30674  Platanthera leucostachys M. S. Taylor 1978-7-21 1816 Butte On s side of Oroville-Quincy Hwy, ca. 14 mi n of Lake Madrone. 1463 Comment
  CHSC50437  Platanthera leucostachys Vernon Oswald; Lowell Ahart 1990-6-27 4327 Plumas Oro-Quincy Hwy between Merrimac and Buckeye sites, 0.3 mi north of the Butte-Plumas county line. 1487 Comment
  CHSC59030  Platanthera leucostachys Lowell Ahart 1992-6-26 6781 Butte On the east side of Rogers Cow Camp, about 1/2 mile north-west of Merrimac. 1219 Comment
  JEPS87172  Platanthera leucostachys Lowell Ahart 1992-6-26 6781 Butte about 1/2 mi nw Merrimac (e side Rogers Cow Camp); e side Rogers Cow Camp 1219 Comment
  UC1562330  Platanthera leucostachys Vernon Oswald and Lowell Ahart 1990-6-27 4327 Plumas Oro-Quincy Highway between Merrimac and Buckeye sites (0.3 mi n of the Butte-Plumas county line) 1487 Comment
  UC1594590  Platanthera leucostachys Lowell Ahart 1992-6-26 6781 Butte about 1/2 mi nw Merrimac (e side Rogers Cow Camp); e side Rogers Cow Camp 1219 Comment
  CDA13288  Pleuricospora fimbriolata G. F. Hrusa, T. D. Wilfred 1996-7-9 13136 Butte Plumas National Forest; E of Jordan Creek near headwaters, S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC73945  Pleuricospora fimbriolata B. Castro; L. Gehrung 1998-6-23 795 Butte Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, on W side of Oro-Quincy Hwy, on E side of SW-trending ridge overlooking Get-Up-and-Get Creek. 1191 Comment
  CAS-BOT-BC244159  Poa sierrae Lowell Ahart 1980-5-29 2355 Butte 5 miles NE of Mountain House 1100 Comment
  CHSC107428  Poa sierrae L. P. Janeway 2011-7-21 10517 Butte Northern High Sierra Nevada. Plumas National Forest; along Road 23N60 between crossings of Jordan Creek and Marble Creek, 3.1 air km east of Rogers Cow Camp. On steep 10 m high road cutbanks, east-facing. 1067 Comment
  CHSC37340  Poa sierrae L. Ahart 1980-5-29 2355 Butte Along the edge of the dirt road, near Jordan Creek, ca. 2 1/2 mi ne of the Oroville-Quincy Hwy, ca. 5 mi ne of Mt. House. 1100 Comment
  CHSC45606  Potentilla glandulosa subsp. reflexa L. P. Janeway 1987-6-5 2153 Butte Upper reach of Carey Cr where rd 22N89 crosses it 0.5 mi from OroQuincy Hwy. Along rd. 1097 Comment
  CHSC54487  Potentilla glandulosa subsp. reflexa Vernon H. Oswald; Lowell Ahart 1991-7-15 4733 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), 1.3 miles east of its junction with Oroville-Quincy Hwy, ca. 4.75 miles (air) northeast of Brush Creek. Roadcut. 1097 Comment
  CDA13269  Prunella vulgaris var. lanceolata G. F. Hrusa, T. D. Wilfred 1996-7-9 13117 Butte Plumas National Forest; on Jordan Creek at old Picnic Area above falls before confluence with Marble Creek. Comment
  CHSC28927  Prunella vulgaris var. lanceolata M. S. Taylor 1978-7-21 1819 Butte On s side of Oroville-Quincy Hwy along creek, in a meadow, ca. 14 mi n of Lake Madrone. 1463 Comment
  CHSC52217  Prunella vulgaris var. lanceolata L. P. Janeway 1987-6-5 2154 Butte Upper reach of Carey Gulch where F. S. Rd 22N89 crosses it 0.5 mi from the OroQuincy Hwy. 1097 Comment
  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
  A346387  Prunus emarginata A. A. Heller 1915-7-7 12055 Unknown Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks in the forest 1676 Comment
  CAS-BOT-BC158142  Prunus emarginata A. A. Heller 1915-7-7 12055 Plumas Near the summit of Soapstone Ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  GH346376  Prunus emarginata A. A. Heller 1915-7-7 12055 Unknown Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks in the forest 1676 Comment
  RSA31121  Prunus emarginata A. A. Heller 1915-7-7 12055 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks in the forest. 1677 Comment
  CDA13287  Pterospora andromedea G. F. Hrusa, T. D. Wilfred 1996-7-9 13135 Butte Plumas National Forest; E of Jordan Creek near headwaters, S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC2418  Pterospora andromedea R. Carter 1965-6-21 258 Butte Found along E side of Oroville-Quincy Rd. 1.05 mi. S of Buckeye Water Hole, growing ca. 15' from road. 1219 Comment
  CHSC2448  Pterospora andromedea R. Carter 1965-7-6 274 Butte Found along E side of Oroville-Quincy Rd., 5.2 mi. N of Mountain House, ca. 15' from road in open woods. 1219 Comment
  CHSC45518  Pyrola aphylla Lowell Ahart 1976-7-7 1169 Plumas Near the dirt road, about 2 miles south-west of Cold Water Creek, about 6 miles south of Grizzly Mountain. 1524 Comment
  CHSC2369  Pyrola dentata R. Carter 1965-6-21 246 Butte Found along E side of Oroville-Quincy Rd., 5.1 mi. N of Mountain House. 1219 Comment
  CDA13272  Pyrola picta G. F. Hrusa, T. D. Wilfred 1996-7-9 13120 Butte Plumas National Forest; Above Jordan Creek, above falls before confluence with Marble Creek. Comment
  CDA13277  Pyrola picta G. F. Hrusa, T. D. Wilfred 1996-7-9 13125 Butte Plumas National Forest; N ridge above Jordan Creek. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13273  Pyrola picta var. dentata G. F. Hrusa, T. D. Wilfred 1996-7-9 13121 Butte Plumas National Forest; Above Jordan Creek, above falls before confluence with Marble Creek. Comment
  CAS-BOT-BC104605  Quercus vacciniifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54401 Plumas Sierra Nevada, Basalt Formation, Walker Plain, about 8 miles SW of Bucks Lake on road to Oroville 1554 Comment
  CHSC82359  Quercus vacciniifolia Lowell Ahart 2002-7-6 9837 Plumas On the southwest side of a meadow, on the west side of the dirt road, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  JEPS103361  Quercus vacciniifolia Lowell Ahart 2002-7-6 9837 Plumas 1 1/2 air mi NE of Four Trees (large meadow, W side of dirt road, on Rock Island Ridge, 3/4 mi SE of Soapstone Hill and the Oroville Quincy Highway) 1611 Comment
  CHSC28005  Ranunculus occidentalis var. occidentalis M. S. Taylor 1978-7-21 1829 Butte On s side of Oroville-Quincy Hwy along meadow and creek, ca. 14 mi n of Lake Madrone. 1463 Comment
  CAS-BOT-BC59571  Rhamnus alnifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54408 Plumas Sierra Nevada - Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1524 Comment
  CAS-BOT-BC59572  Rhamnus alnifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54408 Plumas Sierra Nevada - Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1524 Comment
  JEPS103380  Rhamnus purshiana Lowell Ahart 2002-7-6 9838 Plumas On the SW side of a meadow, on the W side of the dirt road, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  RSA31131  Rhamnus purshiana A. A. Heller 1915-7-7 12070 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks in the forest. 1677 Comment
  UC54504  Rhamnus purshiana H. M. Hall and E. B. Babcock Jul 1903 4424 Plumas Fox Creek Sierra Nevada Mountains 1219 Comment
  UC870763  Rhamnus purshiana A. A. Heller 1915-6-7 12050 Plumas 12 mi w Bucks (near summit of Soapstone Ridge); Sierra Nevada, Soapstone Ridge 1676 Comment
  CHSC82448  Rhododendron neoglandulosum Lowell Ahart 2002-7-6 9841 Plumas On the south side of the dirt road and south of the large meadow, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  CDA11929  Rhododendron occidentale G. F. Hrusa, J. Dinsdale 1989-6-27 7223 Plumas Sierra Nevada; Tributary entering Bucks Lake at N end. Comment
  CDA13317  Rhododendron occidentale G. F. Hrusa, T. D. Wilfred 1996-7-9 13163 Butte Sierra Nevada; Moist, shaded bank of Jordan Creek, near old Picnic Area above waterfall upstream from confluence with Marble Creek. Shrub, 3 meters tall. Flowers fragrant. Few here. Comment
  CDA13286  Ribes roezlii G. F. Hrusa, T. D. Wilfred 1996-7-9 13134 Butte Plumas National Forest; E side above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CAS-BOT-BC74634  Rorippa curvisiliqua A. A. Heller 1915-7-7 12056 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. 12 miles west of Bucks. Comment
  CAS-BOT-BC74635  Rorippa curvisiliqua A. A. Heller 1915-7-7 12056 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. 12 miles west of Bucks. Comment
  CHSC45822  Rubus armeniacus L. P. Janeway 1987-6-5 2150 Butte Along Peavine Cr near mouth of Coon Cr and where the Peavine Cr rd crosses. 746 Comment
  CHSC46047  Rubus parviflorus L. P. Janeway 1987-6-5 2152 Butte Upper reach of Carey Gulch where rd 22N89 crosses it 0.5 mi from OroQuincy Hwy. Edge of rd near cr. 1097 Comment
  CHSC28954  Rudbeckia hirta var. pulcherrima M. S. Taylor 1978-7-21 1831 Butte On n side of Oroville-Quincy Hwy in meadow, ca. 1 mi s of Butte county-Plumas county line. Comment
  CHSC45768  Rudbeckia hirta var. pulcherrima Vernon Oswald 1985-7-30 1913 Butte Oroville-Quincy Hwy 8.0 mi nne of Brush Creek at Merrimac site. In meadow at the head of Peavine Creek. 1219 Comment
  CHSC6574  Rudbeckia hirta var. pulcherrima R. Carter 1966-7-10 485 Butte Found 1 mi. S Butte-Plumas Co., line along W side Oroville-Quincy Rd., in field. 1371 Comment
  HSC72720  Rudbeckia hirta var. pulcherrima R. Carter 1966-7-10 485 Butte 1 mi. S of Butte Plumas Co. line along W side Oroville-Quincy Rd. 1372 Comment
  UC1586477  Rudbeckia occidentalis Vernon H. Oswald and Lowell Ahart 1991-7-15 4739 Butte 5.75 mi (air) ne of, just upstream from the bridge Brush Creek; Forest Rd 23N60, Jordan Creek-Marble Creek Rd, Oroville-Quin 1051 Comment
  CHSC54432  Rudbeckia occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1991-7-15 4739 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Marble Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. On the east side of the creek just upstream from the bridge. 1051 Comment
  CHSC45867  Rumex acetosella Lowell Ahart 1973-5-31 249 Plumas Near the dirt road, near the Little North Fork of the Feather River. 1066 Comment
  CHSC28002  Rumex obtusifolius subsp. agrestis M. S. Taylor 1978-7-21 1824 Butte On s side of Oroville-Quincy Hwy by creek, ca. 14 mi n of Lake Madrone. 914 Comment
  CHSC31030  Sambucus mexicana M. S. Taylor 1978-7-21 1809 Butte On S side of Oroville-Quincy Hwy. Ca. 14 mi N of Lake Madrone. 1463 Comment
  CHSC42666  Sanicula graveolens Vernon Oswald 1986-6-6 2097 Plumas Oroville-Quincy Hwy 1.3 mi n of Four Trees. 1615 Comment
  UC875486  Sanicula graveolens A. A. Heller 1915-7-7 12061 Plumas 12 mi W of Bucks (near the summit of Soapstone ridge); Sierra Nevada 1676 Comment
  CHSC50400  Sanicula tracyi Vernon Oswald; Lowell Ahart 1990-6-27 4329 Butte Oro-Quincy Hwy at the south edge of Walker Plains, 0.3 mi west-northwest of Buckeye (site). 1536 Comment
  UC1562355  Sanicula tuberosa Vernon Oswald and Lowell Ahart 1990-6-27 4329 Butte Oro--Quincy Hwy at S edge of Walker Plains, 0.3 mi W-NW of Buckeye (site) 1536 Comment
  CDA11932  Saxifraga oregana G. F. Hrusa, J. Dinsdale 1989-6-27 7207 Plumas Sierra Nevada; NW end of Bucks Lake, . Comment
  CHSC100929  Scirpus microcarpus R. A. Schlising; D. Burk, K. Tarp 1982-7-16 4296 Butte Northeast of Oroville and Brush Creek, on Oroville-Quincy Highway. 1219 Comment
  CHSC65604  Scirpus microcarpus L. P. Janeway 1995-8-2 4886 Butte Head of minor drainage into Haphazard Creek; west side of Oroville-Quincy Hwy 0.55 mi south of the county line; southwest corner of crossing of an un-numbered dirt road. 1396 Comment
  CDA13322  Scutellaria californica G. F. Hrusa, T. D. Wilfred 1996-7-9 13168 Butte Sierra Nevada; approx. 0.2 m. E of bridge over Marble Creek on USFS N60. Comment
  UC54588  Scutellaria siphocampyloides H. M. Hall and E. B. Babcock July, 1903 4423 Plumas Fox Creek; Sierra Nevada Mountains, Fox Creek 1524 Comment
  CAS-BOT-BC63851  Sedum spathulifolium Lowell Ahart 1980-5-29 2358 Butte 5 miles NE of Mountain House. 1100 Comment
  CHSC30024  Sedum spathulifolium L. Ahart 1980-5-29 2358 Butte Near Jordan Creek, ca. 2 1/2 mi ne of The Oroville Quincy Hwy, ca. 5 mi ne of Mt. House. 1100 Comment
  CHSC42124  Sedum spathulifolium Lowell Ahart 1980-5-29 2358 Butte South of Jordan Creek, about 2 1/2 miles north-east of the Oroville Quincy Highway, about 5 miles north-east of Mountain House. 1005 Comment
  CHSC34719  Sidalcea gigantea M. S. Taylor; R. Schlising 1978-7-21 1834 Butte On n side of Oroville-Quincy Hwy in open meadow, ca. 1 mi s of Butte-Plumas county line. 1341 Comment
  CHSC68369  Sidalcea gigantea L. P. Janeway 1996-8-20 5075 Plumas Adjacent to Road 23N18 at Little North Fork Middle Fork Feather River. 1389 Comment
  UC1873586  Sidalcea gigantea L. P. Janeway 1996-8-20 5075 Plumas Adjacent to Road 23N18 at Little North Fork Middle Fork Feather River 1389 Comment
  UC1873587  Sidalcea gigantea L. P. Janeway 1996-8-20 5075 Plumas Adjacent to Road 23N18 at Little North Fork Middle Fork Feather River 1389 Comment
  CDA13282  Sidalcea oregana subsp. oregana G. F. Hrusa, T. D. Wilfred 1996-7-9 13130 Butte Plumas National Forest; E side above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC34948  Sidalcea oregana subsp. spicata R. A. Schlising 1980-7-11 3886 Butte NE part of County. Elks' Retreat site. 1365 Comment
  UC1586524  Silene bernardina Lowell Ahart 1991-9-19 6729 Butte about 2 mi ne Coyote Gap (about 2 mi nw of Four Trees, near where the two branches of Wildcat Creek come together); Wildcat Creek, nw of Four Trees, ne of Coyote Gap 1219 Comment
  CHSC35760  Sisymbrium altissimum R. E. Preston 1982-6-18 302 Butte In meadow; site of Merrimac, ca. 22 mi ne of Oroville. 1173 Comment
  CHSC30664  Solidago elongata M. S. Taylor 1978-7-21 1832 Butte On n side of Oroville-Quincy Hwy in meadow, ca. 1 mi s of Butte County-Plumas County line. 1341 Comment
  CAS-BOT-BC157309  Sorbus californica A. A. Heller 1915-7-7 12059 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC157313  Sorbus californica A. A. Heller 1915-7-7 12059 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CDA11937  Sorbus californica G. F. Hrusa, J. Dinsdale 1989-6-27 7219 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  CHSC35221  Sorbus scopulina M. S. Taylor 1981-5-13 3706 Butte Jct of 23N15.5, 22N66X, and 22N40, ca. 2 air mi s of Four Trees Rd, ca. 1 air mi w of Elks Retreat on Oroville-Quincy Shy. 1280 Comment
  CHSC79905  Sorbus scopulina G. F. Hrusa; T. D. Wilfred 1996-7-9 13107 Butte Northern California, Plumas National Forest. Drainage of Jordan Creek, S of Hwy 162 near Roger's Cow Camp. [Lat./Long. on label is '39 46 N; 121 17 W']. 1175 Comment
  CDA13256  Sorbus scopulina var. cascadensis G. F. Hrusa, T. D. Wilfred 1996-7-9 13107 Butte Plumas National Forest; Drainage of Jordan Creek, S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC77048  Spergularia rubra L. P. Janeway 1996-8-20 5073 Plumas Granite Basin; upper drainage of Little North Middle Fork Feather River; along Road 23N35X 0.4 mi north of Road 23N18. 1493 Comment
  CHSC28004  Spiranthes porrifolia M. S. Taylor 1978-7-21 1826 Butte On s side of Oroville-Quincy Hwy, ca. 14 mi n of Lake Madrone. 914 Comment
  CDA13320  Stachys ajugoides G. F. Hrusa, T. D. Wilfred 1996-7-9 13166 Butte Sierra Nevada; approx. 0.4 m. E of bridge over Marble Creek on USFS N60. Comment
  CHSC85751  Stachys ajugoides var. ajugoides G. F. Hrusa; T. D. Wilfred 1996-7-9 13166 Butte Sierra Nevada--Plumas National Forest. Approx. 0.4 m. E of bridge over Marble Creek on USFS N60. [Lat./Long. on label is '39 degrees 46' N; 121 degrees 17' W']. 1150 Comment
  SEINET9320865  Stachys ajugoides var. ajugoides Unknown 1996-7-9 13166 Butte Plumas National Forest Comment
  CHSC77056  Stachys ajugoides var. rigida L. P. Janeway 1996-8-20 5076 Plumas Granite Basin; adjacent to Road 23N18 at crossing of Little North Fork Feather River. 1389 Comment
  CHSC36076  Stellaria borealis subsp. sitchana R. A. Schlising 1982-6-16 4294 Butte E side of county ne of Oroville and Brush Creek off Oroville-Quincy Road; Rogers Cow Camp site; streamside. 1219 Comment
  CHSC58901  Stellaria borealis subsp. sitchana Lowell Ahart 1992-6-26 6779 Butte In a bog like area, on the east side of Rogers Cow Camp, about 1/2 mile north-west of Merrimac. 1219 Comment
  CHSC99553  Stellaria borealis subsp. sitchana L. P. Janeway; D. Toren, C. Christofferson,H. Koeth, D. Delacroix 2008-6-10 9404 Butte Northern High Sierra Nevada. Plumas National Forest; along Coon Creek about 100 m northeast of Rogers Cow Camp Campground, about 500 m west of Oroville-Quincy Hwy. 1234 Comment
  JEPS87170  Stellaria borealis subsp. sitchana Lowell Ahart 1992-6-26 6779 Butte about 0.5 mi nw Merrimac (on e side of Rogers Cow Camp) 1219 Comment
  RSA739620  Stellaria borealis subsp. sitchana L. P. Janeway, David Toren, Chris Christofferson, Heather Koeth, Duryea Delacroix 2008-6-10 9404 Butte Northern High Sierra Nevada, Plumas National Forest, along Coon Creek about 100m NE of Rogers Cow Camp campground, about 500 m W of Oroville Quincy Hwy. 1234 Comment
  UC1594588  Stellaria borealis subsp. sitchana Lowell Ahart 1992-6-26 6779 Butte about 0.5 mi nw Merrimac (on e side of Rogers Cow Camp) 1219 Comment
  CHSC54435  Stellaria crispa Vernon H. Oswald; Lowell Ahart 1991-7-15 4737 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Jordan Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. 1082 Comment
  CHSC58902  Stellaria crispa Lowell Ahart 1992-6-26 6782 Butte On the east side of Rogers Cow Camp, about 1/2 mile north-west of Merrimac. 1219 Comment
  JEPS87171  Stellaria crispa Lowell Ahart 1992-6-26 6782 Butte about 0.5 mi nw Merrimac (on the e side of Rogers Cow Camp) 1219 Comment
  UC1586479  Stellaria crispa Vernon H. Oswald and Lowell Ahart 1991-7-15 4737 Butte ca 5.75 air mi ne Brush Creek (Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Jordan Creek, e of Oroville-Quincy Hwy); Jordan Creek 1082 Comment
  UC1594589  Stellaria crispa Lowell Ahart 1992-6-26 6782 Butte about 0.5 mi nw Merrimac (on the e side of Rogers Cow Camp) 1219 Comment
  CHSC112349  Stellaria media L. P. Janeway 2014-4-9 11221 Butte Northern High Sierra Nevada. Plumas National Forest; along Road 22N12Xwhere it crosses Peavine Creek just below the confluence of Coon Creek; French Creek Basin. 762 Comment
  CHSC55190  Stephanomeria elata Lowell Ahart 1991-8-25 6704 Butte On the north side of the dirt road, Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) east of Marble Creek, about 6 miles (air) northeast of Brush Creek. 1097 Comment
  UC1586575  Stephanomeria paniculata Lowell Ahart 1991-8-25 6704 Butte On the north side of the dirt road, Forest Road 23N60 (Jordan Creek-Marble Creek Road) east of Marble Creek, about 6 miles (air) northeast of Brush Creek. 1097 Comment
  CAS-BOT-BC87776  Streptanthus tortuosus A. A. Heller 1915-7-7 12072 Plumas Near the summit of Soapstone Ridge in the Sierra Nevada. 12 miles west of Bucks. 1676 Comment
  CAS-BOT-BC87787  Streptanthus tortuosus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54404 Plumas Sierra Nevada. Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville. 1554 Comment
  CHSC36698  Streptanthus tortuosus R. E. Preston 1982-6-18 305 Butte Ca. 1 mi n of the site of Merrimac, ca. 23 mi ne of Oroville. 1371 Comment
  GH422265  Streptanthus tortuosus J. T. Howell, T. C. Fuller & G. D. Barbe 1981-6-26 54404 Unknown Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1554 Comment
  UCD116303  Streptanthus tortuosus Robert E. Preston 1984-6-19 463 Butte 1.6 km north of Merrimac site, west side of Oro-Quincy Highway. 1372 Comment
  CDA13264  Streptanthus tortuosus var. tortuosus G. F. Hrusa, T. D. Wilfred 1996-7-9 13112 Butte Plumas National Forest; Nr. headwaters of Jordan Creek, S of Hwy 162 near Roger's Cow Camp. Comment
  CDA18486  Streptanthus tortuosus var. tortuosus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3372 Plumas Sierra Nevada; Walker Plains. Basalt formation along the Plumas-Butte county line. 1554 Comment
  CHSC62799  Streptopus amplexifolius var. americanus B. Castro 1993-8-26 500 Butte Ca. 0.25 mi SW of Four Trees, off USFS Rd 23N15 ca. 0.6 mi S of its jcn with Four Trees Rd (USFS Rd 23N28). 1463 Comment
  CHSC110248  Symphyotrichum spathulatum var. intermedium L. P. Janeway 2012-8-28 11053 Plumas Northern High Sierra Nevada. Meadow at north end of Rock Is-land Ridge 1.1 km southeast of Soapstone Hill; west side of inter-section of Road 23N18 and its D spur. 1593 Comment
  JEPS120548  Symphyotrichum spathulatum var. intermedium L. P. Janeway 2012-8-28 11053 Plumas Northern High Sierra Nevada. meadow at north end of Rock Island Ridge 1.1 km southeast of Soapstone Hill; west side of intersection of Road 23N18 and its D spur. Comment
  CDA13257  Tanacetum parthenium G. F. Hrusa, T. D. Wilfred 1996-7-9 13108 Butte Plumas National Forest; Drainage of Jordan Creek, S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13332  Torreya californica G. F. Hrusa, T. D. Wilfred 1996-7-9 13178 Butte Sierra Nevada; Small colony in shaded woods approx. 0.4 m from Hwy 162 on 22N89. Tree, approx. 10 m tall. Uncommon here. Immed. S of Rogers Cow Camp. Comment
  CDA440  Torreya californica G. Fred Hrusa 1996-7-9 13178 Butte Sierra Nevada Mountains; Plumas National Forest. about 0.4 mi from Hwy 162 on 22N89 Comment
  CDA11934  Trautvetteria caroliniensis var. occidentalis G. F. Hrusa, J. Dinsdale 1989-6-27 7209 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  CDA13310  Trautvetteria caroliniensis var. occidentalis G. F. Hrusa, T. D. Wilfred 1996-7-9 13156 Butte Sierra Nevada; Near confluence of Jordan Creek on W side of bridge over Marble Creek on USFS N60. Comment
  CHSC54447  Trautvetteria caroliniensis var. occidentalis Vernon H. Oswald; Lowell Ahart 1991-7-15 4740 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Marble Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. On the east side of the creek just upstream from the bridge. 1051 Comment
  UC1586478  Trautvetteria caroliniensis var. occidentalis Vernon H. Oswald and Lowell Ahart 1991-7-15 4740 Butte 5.75 air mi ne of Brush Creek (Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Marble Creek, e of Oroville-Quincy Hwy); Marble Creek, Forest Rd 23N60 1051 Comment
  CHSC102584  Triantha occidentalis subsp. occidentalis L. P. Janeway; B. Castro 2009-7-4 9849 Plumas Northern High Sierra Nevada. Upper end of Rock Island Ridge. 1576 Comment
  CDA13263  Trifolium hybridum G. F. Hrusa, T. D. Wilfred 1996-7-9 13111 Butte Plumas National Forest; Nr. headwaters of Jordan Creek, S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC54439  Trifolium hybridum Vernon H. Oswald; Lowell Ahart 1991-7-15 4735 Butte Forest Rd. 23N60 (Jordan Creek-Marble Creek Rd), 2.1 miles east of its junction with Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. 1082 Comment
  UC1586474  Trifolium hybridum Vernon H. Oswald and Lowell Ahart 1991-7-15 4735 Butte 2.1 mi e junction (Forest Rd (Jordan Creek-Marble Creek Rd) and Oroville-Quincy Hwy, ca 5.75 air mi ne of Brush Creek) 1082 Comment
  UC630852  Trifolium longipes var. hansenii A. A. Heller 1915-7-7 12068 Plumas near summit Soapstone ridge (12 mi w of Bucks); Sierra Nevada 1676 Comment
  UC866841  Trifolium longipes var. hansenii A. A. Heller 1915-7-7 12058 Plumas near summit Soapstone ridge (12 mi w of Bucks); Sierra Nevada 1676 Comment
  UC1586505  Trisetum projectum Lowell Ahart 1991-9-19 6727 Butte about 2 mi nw Four Trees (near where two branches of Wildcat Creek come together, about 2 mi w of the Oroville-Quincy Highway, about 2 mi ne of Coyote Gap) 1219 Comment
  CDA13280  Turritis glabra G. F. Hrusa, T. D. Wilfred 1996-7-9 13128 Butte Plumas National Forest; Above Jordan Creek. ordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. Comment
  CDA13335  Turritis glabra G. F. Hrusa, T. D. Wilfred 1996-7-9 13181 Butte Sierra Nevada; on 22N89 approx. 0.3 m. from intersection of Hwy 162. Comment
  CHSC35762  Turritis glabra R. E. Preston 1982-6-18 304 Butte In meadow; site of Merrimac, ca. 22 mi ne of Oroville. 1173 Comment
  CHSC28926  Vaccinium membranaceum L. Hanson 1979-8-2 64 Plumas On ridge south of Coldwater Creek downslope from Coldwater Creek Rd. Comment
  CHSC63964  Vaccinium membranaceum B. Castro 1991-8-27 446 B Plumas Ca 6 air mi SSW of Bucks Lake, ca 1.5 mi W of Arkansas Ravine, on N side of Glazer Ridge. Upslope from S side of old USFS Rd 22N22X, ca 0.3 and 0.7 mi N and W of its jcn with current Rd 23N15. 1584 Comment
  CHSC65549  Vaccinium membranaceum B. Castro 1992-9-22 555 Plumas Ca 2 air mi E of Four Trees, ca 1.5 air mi SW of the old 'Daniel Zink' campgd, on slope on W side of Toland Ck. Ca 0.15 mi upstream (N) of jcn USFS Rds 23N18 and 23N18'E', 20 to 100 ft from ck edge. 1432 Comment
  CHSC82357  Vaccinium membranaceum Lowell Ahart 2002-7-6 9843 Plumas On the south side of the dirt road and south of the large meadow, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  CHSC89026  Vaccinium membranaceum 1990-8-7 Plumas Plumas National Forest. Tributary of Cold Water Creek. 1554 Comment
  JEPS103271  Vaccinium membranaceum Lowell Ahart 2002-7-6 9843 Plumas On the south side of the dirt road and south of the large meadow, on Rock Island Ridge, about 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  RSA700400  Vaccinium membranaceum Anonymous 1990-8-7 s.n. Plumas Haskins Valley quad. Tributary of Cold Water Creek. 1555 Comment
  RSA700401  Vaccinium uliginosum subsp. occidentale Anonymous 1990-8-7 s.n. Plumas Haskins Valley quad. Tributary of Cold Water Creek. 1555 Comment
  CHSC112348  Veronica arvensis L. P. Janeway 2014-4-9 11222 Butte Northern High Sierra Nevada. Plumas National Forest; along Road 22N12Xwhere it crosses Peavine Creek just below the confluence of Coon Creek; French Creek Basin. 762 Comment
  CHSC30855  Woodwardia fimbriata L. Ahart 1980-9-10 2634 Butte Ca. 3 mi ne of Milsap Bar, ca. 27 mi ne of Oroville. 1100 Comment
  CHSC2469  Xerophyllum tenax R. Carter 1965-6-21 252 Plumas Found along E side of Oroville-Quincy Rd., 12.35 mi. N of Mountain House, in vicinity of Frog Rock. 1524 Comment
  CHSC49669  Xerophyllum tenax Vernon Oswald 1986-6-6 2098 Plumas Oroville-Quincy Hwy 1.3 mi n of Four Trees. 1615 Comment
  CHSC84353  Xerophyllum tenax Lowell Ahart 2003-8-20 10520 Plumas On the north side of the paved road, on Rock Island Ridge, about 1 mile east of Oroville Quincy Highway, about 1 mile east of Soapstone Hill, about 8 miles (air) southwest of Bucks Lake. 1624 Comment



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