Search Results — 2000 specimen records retrieved (1425 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
  SEINET10896279  Abies Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4021 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  UC1348842  Abies magnifica var. magnifica R. A. Cockrell 1937-8-5 8328 Plumas Meadow Valley 1981 Comment
  CAS-BOT-BC330987  Acer glabrum var. glabrum Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake Comment
  UC917262  Acer glabrum var. glabrum J. M. Tucker 1948-7-25 1737 Plumas sw side of Camel Peak Pinchard Creek, sw side of Camel Peak (Pinchard Creek, mine of United Mining Company) 1524 Comment
  CAS-BOT-BC333227  Acer macrophyllum Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1969-6-24 2444 Plumas Butterfly Botanical Area and vicinity. Vicinity ofmouth of Butterfly Creek 883 Comment
  CAS-BOT-BC333231  Acer macrophyllum Mary Strong Clemens 1920-5-21 s.n. Plumas Greenville Comment
  RSA755325  Acer macrophyllum L. Ahart, John Dittes 2009-7-13 16047 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  CAS-BOT-BC28727  Achillea millefolium Anna Head 1920-7-1 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  JEPS107723  Achillea millefolium Lowell Ahart, John Dittes 2005-9-20 12436 Plumas Along the dry stream, north of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2041 Comment
  UC485804  Achillea millefolium H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC28740  Achillea millefolium William M. Hiesey 1941-11-7 450 Plumas Mineral, at Mineral Lodge 1524 Comment
  RSA60123  Achillea millefolium var. alpicola E. K. Balls 1950-9-2 15645 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  CDA18575  Achnatherum lemmonii G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3305 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  UC1137070  Achnatherum lemmonii August L. Hormay 1932-6-11 Plumas Long Canyon Plumas National Forest, Long Canyon Comment
  UC717966  Achnatherum lemmonii David D. Keck 1944-7-8 5437 Plumas 2 mi sw, on Indian Creek Crescent Mills (Dixie Canyon Store); Sierra Nevada, Indian Creek 1066 Comment
  UCD148591  Achnatherum lemmonii G. F. Hrusa; T. D. Wilfred 1996-8-1 13419 Plumas Approximately 1/4 mile south of intersection of USFS 24n42 and 24N66, approx. 1 mile south of Brady's Camp, Plumas National Forest. 1800 Comment
  UCD148594  Achnatherum lemmonii G. F. Hrusa; T. D. Wilfred 1996-7-22 13387 Plumas Sierra Nevada. Plumas National Forest. On south side above Little Long Valley Creek. Approximately 1/2 mile north of Highway 70 about 15 miles east of Quincy. 1590 Comment
  UCD50524  Achnatherum lemmonii Beecher Crampton 1954-5-10 1864 Plumas Plumas County, 1.5 miles northeast of Portola. 1524 Comment
  UCD50595  Achnatherum lemmonii John Thomas Howell 1960-7-22 35887 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  POM198336  Achnatherum lemmonii var. lemmonii H. S. Yates 1912-6-14 s.n. Plumas Portola 1524 Comment
  RSA88117  Achnatherum lemmonii var. lemmonii J. T. Howell 1951-6-29 27745 Plumas Spring Garden Creek. 1159 Comment
  CAS-BOT-BC216881  Achnatherum occidentale John Thomas Howell 1960-7-19 35670 Plumas Drakesbad 1828 Comment
  CHSC102063  Achnatherum occidentale subsp. californicum Lowell Ahart; John Dittes 2009-7-15 16090 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  JEPS102742  Achnatherum occidentale subsp. californicum Lowell Ahart 2001-7-11 8896 Plumas Large outcrop SW of Homer Lake, west of the trail to Homer Lake, about 5 1/2 miles (air) north of Greenville. 2042 Comment
  RSA299148  Achnatherum occidentale subsp. occidentale J. T. Howell 1961-6-21 36700 Plumas Greenville 1098 Comment
  UC641666  Achnatherum occidentale subsp. occidentale G. L. Stebbins Jr. 1939-7-9 2935 Plumas sw slope of Meadow View Peak Meadow View Peak 1920 Comment
  CAS-BOT-BC210930  Achnatherum occidentale subsp. pubescens John Thomas Howell 1961-9-23 36894 Plumas Englemine 1097 Comment
  CHSC67749  Achnatherum stillmanii James D. Jokerst 1985-6-10 2405 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  UC1075667  Aconitum columbianum Robert J. Weatherby 1950-7-7 1445 Plumas Quincy, Gansner Creek 1219 Comment
  CAS-BOT-BC391483  Aconitum columbianum subsp. columbianum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC412613  Aconogonon alaskanum Paul F. Covel 1937-7-20 738 Plumas Pass east Buck's Ranch Comment
  CHSC36928  Aconogonon davisiae M. S. Taylor; H. Swanson 1982-8-11 4965 Plumas On ridge between Florentine Canyon and Spencer Lakes, ca. 5 mi sw of Johnsville. 2133 Comment
  CAS-BOT-BC391665  Actaea rubra Alice Eastwood 1927-6-11 14490 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  CHSC21675  Adenocaulon bicolor D. Brink; L. Mayer 1975-7-29 Plumas Buck's Lake Forest Service Survey. Comment
  RSA52870  Adenocaulon bicolor R. Weatherby 1950-7-7 1446 Plumas Gasner Creek, Quincy 1220 Comment
  UC1584686  Adenocaulon bicolor Jerry Powell 1986-7-23 1495 Plumas 5 mi n, in Feather River Canyon Blairsden; Feather River Canyon Comment
  CHSC80791  Adiantum aleuticum Lowell Ahart 2001-7-19 8936 Plumas On the banks of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  JEPS102434  Adiantum aleuticum Lowell Ahart 2001-7-19 8936 Plumas On the banks of Hopkins Creek, about 100 yards SW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  RSA59333  Adiantum aleuticum E. K. Balls 1950-9-12 15784 Plumas 1.5 miles along trail from Lakes Center Public Campground to Long Lake outlet 2012 Comment
  UC1481821  Adiantum aleuticum Mrs. Carlotta C. Hall 1912-1 9358 Plumas W of Johnsville (along Jameson Creek) Comment
  JEPS106039  Agastache urticifolia Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11161 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  CHSC34266  Ageratina occidentalis M. S. Taylor 1981-7-27 4131 Plumas Between Drum and Notson Bridges, N side of Beckwourth-Genesee Rd, ca. 7 air mi E of Genesee. 1584 Comment
  JEPS18707  Ageratina occidentalis W. L. Jepson 1918-8-16 8015 Plumas Taylorsville 1097 Comment
  CAS-BOT-BC29433  Ageratina occidentalis W. I. Follett; E. B. Follett 1962-8-8 s.n. Plumas Indian Creek 4.1 miles above Spanish Creek Comment
  CAS-BOT-BC29513  Agoseris W. Harnach; N. Harnach 1990-6-13 367 Plumas Sierra Valley, Ramelli Ranch (USFS) 1487 Comment
  RSA129788  Agoseris glauca var. dasycephala E. Sawyer 1935-6-27 194 Plumas 1.6 miles ENE of Grizzly Peak 1768 Comment
  SBBG45694  Agoseris glauca var. laciniata C. B. Hardham 1961-6-16 7481 Plumas Diamond Peak [Diamond Mountain] 2133 Comment
  CAS-BOT-BC22916  Agoseris heterophylla John Thomas Howell 1961-6-21 36637 Plumas Greenville 1097 Comment
  RSA726286  Agoseris heterophylla L. Ahart, John Dittes 2007-6-16 14099 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  SEINET6225038 Image available Agoseris heterophylla L. S. Rose 1967-1 67108 Plumas Butterfly Valley, ca 3 mi W of Keddie Comment
  UC485801  Agoseris monticola H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC13440  Agoseris retrorsa Walter Knight; Irja Knight; John Thomas Howell 1966-6-26 1610 Plumas Roadside at Fern Glen 1097 Comment
  UCSB16053  Agoseris retrorsa 1962-6-12 Plumas On bank of Jackson Creek; in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  SEINET10566205  Agropyron William E. Harmon 1968-8-18 Harmon 1556 Plumas 1.5 mi e of quincy, on hwy 70-89, from roadside in open valley with adjacent Pasture land. Comment
  JEPS113924  Agrostis capillaris W. and N. Harnach 2000-8-2 971 Plumas Sierra VAlley 1.5 miles south of Highway 70 on A-23, 0.25 miles east of A-23. South of Beckwourth, CA (Sierra Valley Farms) Comment
  CAS-BOT-BC127078  Agrostis exarata Lowell Ahart 1977-7-9 1522 Plumas 0.5 mile below the Bunker Hill Mine which is about 10 miles northeast of La Porte. 1800 Comment
  UC1100102  Agrostis exarata Malcolm A. Nobs, S. Galen Smith 1949-8-19 1414 Plumas about 2 mi s Greenville; Indian Valley Comment
  CAS-BOT-BC139615  Agrostis gigantea John Thomas Howell 1959-9-22 34872 Plumas On hot spring terraces, Drakesbad. 1737 Comment
  CAS-BOT-BC139412  Agrostis hyemalis Robert J. Weatherby 1950-7-17 1465 Plumas Feather River Camp, 4 miles north of Quincy. 1066 Comment
  CHSC70824  Agrostis idahoensis B. Castro 1994-9-9 545 A Plumas Ca 1 air mi S of Bucks Lake, ca 300 ft S of the Oro-Quincy Hwy, by springs surfacing on slope above Haskins Valley USFS Summer Hone Tract cabins. 1655 Comment
  CAS-BOT-BC139252  Agrostis idahoensis George W. Gillett 1957-7-18 809 Plumas Lassen Volcanic National Park. Near trail on south side of Boiling Springs Lake. 1813 Comment
  CHSC101999  Agrostis pallens L. P. Janeway; B. Castro 2009-8-29 9940 Plumas Northern High Sierra Nevada.Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. 1892 Comment
  CHSC113837  Agrostis scabra Lowell Ahart 2014-8-31 19800 -A Plumas In and along the sides of Black Rock Creek. about 200 yards south of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4-1/2 miles (air) northwest of La Porte. 1536 Comment
  JEPS122299  Agrostis scabra Lowell Ahart 2014-8-31 19800 -A Plumas In and along the sides of Black Rock Creek, about 200 yards south of the foot bridge across Black Rock Creek, about 200 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  CAS-BOT-BC138707  Agrostis scabra John Thomas Howell 1960-7-20 35774 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CHSC65873  Agrostis stolonifera L. P. Janeway 1995-10-25 4948 Plumas Lakes Basin. Southwest end of Lake Basin Campground, south-east side of Grass Lake. 1920 Comment
  RSA59339  Agrostis stolonifera E. K. Balls 1950-9-8 15704 Plumas Lakes Center Public Campground, southern 2043 Comment
  JEPS28278  Agrostis variabilis George W. Gillett 1957-7-17 788 Plumas stream running from Little Willow Lake into Willow Lake; Lassen Volcanic National Park 1767 Comment
  JEPS94290  Agrostis viridis Lowell Ahart 1997-9-11 7901 Plumas about 5 air mi ne of Belden (about 1/8 mi s of Mosquito Creek, on the w side of the North Fork of the Feather River, on w edge of Caribou Road); North Fork of the Feather River, Caribou Road 792 Comment
  CAS-BOT-BC267055  Alisma John Thomas Howell 1959-9-21 34815 Plumas Indian Creek 914 Comment
  CAS-BOT-BC131953  Allium John Thomas Howell 1959-9-24 34901 Plumas Crescent Mills 1066 Comment
  CDA11829  Allium bisceptrum var. bisceptrum G. F. Hrusa, E. Sandoval 1993-5-3 11142 Plumas Sierra Valley; Beckwourth-Calpine Rd. approx. 5 m. S Hwy 70 intersection. Comment
  CHSC46521  Allium campanulatum Lowell Ahart 1977-7-9 1458 Plumas Near Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1706 Comment
  CHSC82481  Allium campanulatum Lowell Ahart 2002-6-26 9776 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  CAS-BOT-BC466605  Allium campanulatum H. C. Cantelow 1938-7-5 2284 Plumas Flatiron Ridge. Drakesbad 1828 Comment
  CDA32386  Allium campanulatum G. D. Barbe, T. C. Fuller 1982-6-15 3724 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  CAS-BOT-BC205714  Allium lemmonii James R. Shevock 1985-5-19 11147 Plumas Northern Sierra Nevada. Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville 1650 Comment
  CAS-BOT-BC472960  Allium lemmonii John Thomas Howell 1962-6-18 37767 Plumas Sierra Valley near Beckwourth; Sierra Nevada 1487 Comment
  UCD143206  Allium lemmonii L. K. Mann; M. D. Mann, Madison 1962-6-12 s.n. Plumas Highway 89, southwest edge Lake Almanor, 0.8 miles before road to Almanor. Comment
  UC1585997  Allium parvum Barbara Ertter with Gary Schoolcraft 1989-7-3 8662 Plumas ca. 7 air mi s Susanville (sw peak); Diamond Mt. 2316 Comment
  POM252943  Allium parvum A. A. Heller 1938-5-21 15104 Plumas About the airfield west of Chester. 1305 Comment
  CHSC100771  Allium platycaule L. P. Janeway; B. Castro 2008-6-8 9401 Plumas Northern High Sierra Nevada. Southwest edge of Red Clover Valley; southwest side of Beckwourth-Genesee Road 0.7 km southeast of Clover Valley Ranch building. 1682 Comment
  CHSC39589  Allium platycaule Lowell Ahart 1983-7-20 4200 Plumas About 1/4 mile east of the Feather Fork Mine, about 5 1/2 miles north of La Porte. 1800 Comment
  CHSC58182  Allium platycaule Vernon H. Oswald 1992-5-21 4947 Plumas Lassen Volcanic National Park. Warner Valley on the S side of Hot Springs Creek ca. 0.5 mi upstream from the park boundary. 1621 Comment
  SEINET8191559  Allium platycaule A. A. Heller, P. B. Kennedy 1907-7-4 8723 Plumas Ridge east of Red Clover Valley. Comment
  CHSC62605  Allium validum B. Castro; L. P. Janeway 1987-7-17 144 Plumas ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring site. 1584 Comment
  CAS-BOT-BC476719  Allium validum Ahart Lowell 1981-7-21 2960 Plumas Buzzards Roost Ridge, north of Pilot Peak 2000 Comment
  CAS-BOT-BC171347  Alnus incana subsp. tenuifolia W. R. Dudley 1894-8-30 s.n. Plumas Webber Lake Meadow Comment
  RSA189385  Alnus incana subsp. tenuifolia L. S. Rose 1967-5-7 67066 Plumas 3 mi W of Keddie, Butterfly Valley. 945 Comment
  UCD109976  Alnus incana subsp. tenuifolia W. B. McHenry 1961-8-20 s.n. Plumas Bucks Lake. Comment
  SEINET10478565  Alnus incana subsp. tenuifolia Mary Susan Taylor 1981-7-17 Taylor 4027 Plumas T21N R12E ne/se sec 7, Sierra City NW quad; Bear Lake trail of Lakes Basin area, within 1/4 mi of trailhead near Ellwood Lodge, 6 mi S of Mohawk; moist shaded forest; 6400 ft elev. 1950 Comment
  SEINET10678458  Alnus incana subsp. tenuifolia Bonnie C. Templeton 1967-4-23 Templeton 10743 Plumas Butterfly Valley, near Quincy. 1067 Comment
  CAS-BOT-BC170698  Alnus rhombifolia A. A. Heller; P. B. Kennedy 1907-7-15 8841 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  CHSC47602  Alopecurus aequalis Lowell Ahart 1981-8-7 3022 Plumas About 1 mile north-east of Pilot Peak, along the dirt road from Onion Valley to Hpkins Creek, about 16 miles north-east of La Porte. 1737 Comment
  UCD55826  Alopecurus aequalis John Thomas Howell 1926-7-26 2129 Plumas near Prattville. 1371 Comment
  CAS-BOT-BC138114  Alopecurus aequalis var. aequalis John Thomas Howell 1961-9-25 36952 Plumas Sierra Nevada. Feather River bed, Portola. 1478 Comment
  CAS-BOT-BC137997  Alopecurus geniculatus Mrs. Jos Clemens 1919-10-25 s.n. Plumas Crescent. Comment
  RSA252377  Alopecurus geniculatus R. F. Thorne, C. W. Tilforth 1969-9-6 39247 Plumas Along Feather River 1 mi. SW of Beckwourth 1357 Comment
  UCD55909  Alopecurus geniculatus John Thomas Howell; Gordon H. True 1967-7-9 43264 Plumas Sierra Nevada, meadow at Quincy . 1036 Comment
  SEINET10507148  Alopecurus geniculatus Mary Susan Taylor 1982-8-27 Taylor 5062 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, where Feather River crosses RR tracks and along river, ca. 1.5 mi sw of Beckwourth. 4880 ft. Plumas National Forest. 1487 Comment
  SEINET10937691  Amaranthus albus Mary Susan Taylor 1982-9-7 Taylor 5098 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 4880 ft. Dry sandy soil; open Riparian. 1487 Comment
  JEPS110456  Ambrosia acanthicarpa Lowell Ahart 2006-9-21 13341 Plumas On the sides of the paved Rocky Point Road, about 1/2 mile east of Portola 1487 Comment
  JEPS117161  Ambrosia acanthicarpa Lowell Ahart, John Dittes 2010-10-5 17301 Plumas On the east side of Highway 49, 830 feet north of the Plumas-Sierra county line, 2.7 miles (air) northeast of Loyalton, 6.9 miles (air) southwest of Vinton 1508 Comment
  CAS-BOT-BC142873  Amelanchier alnifolia var. semiintegrifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54142 Plumas 0.25 mile west of Round Valley Reservoir dam - Sierra Nevada 1371 Comment
  CAS-BOT-BC136788  Amelanchier utahensis John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1920 Plumas Butterfly Botanical Area and Vicinity 1066 Comment
  CAS-BOT-BC136794  Amelanchier utahensis Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  SEINET6329353  Amelanchier utahensis L. R. Miller 1929-5-12 s.n. Plumas 4 miles southwest of Blairsden Comment
  UC1061755  Amsinckia tessellata var. tessellata E. Sawyer 1935-6-14 102 Plumas 3/4 mi w of Sugarloaf 1524 Comment
  CAS-BOT-BC64282  Anaphalis margaritacea Anna Head 1921-8-9 s.n. Plumas Lake Center Camp Comment
  RSA769806  Anaphalis margaritacea L. Ahart 2008-9-10 15361 Plumas Both sides of East Branch Creek, east side of Quincy La Porte Road, about 1.75 air miles south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte 1594 Comment
  SBBG128658  Anaphalis margaritacea L. Ahart 2008-9-10 15361 Plumas both sides of E Branch Crk, on E side of Quincy La Porte Rd, ca. 1 3/4 mi (air) S of Little Grass Valley Reservoir, ca. 1 mi NE of La Porte 1593 Comment
  CAS-BOT-BC391930  Anemone lyallii Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake Comment
  RSA253229  Anemone lyallii A. A. Heller 1938-5-21 15100 Plumas Ridge between Chester and the Tehama County line. 1372 Comment
  JEPS16089  Angelica breweri W. L. Jepson 1924-7-22 10610 Plumas Middle Fork Feather River, Rich Point Middle Fork Feather River; , Rich Point 914 Comment
  CAS-BOT-BC59307  Antennaria argentea A. A. Heller 1913-6-13 10860 Plumas Near Quincy 1066 Comment
  CAS-BOT-BC59318  Antennaria argentea John Thomas Howell 1975-6-16 51140 Plumas 2 miles northwest of Spring Garden 1173 Comment
  UC1125548  Antennaria argentea E. Sawyer 1935-6-18 122 Plumas 3 3/4 mi nnw Beckwith; Sierraville Quad. 1706 Comment
  CAS-BOT-BC59301  Antennaria argentea M. S. Taylor 1982-5-14 4446 Plumas Portola quad. ca. 2 mi sw of Portola. 1584 Comment
  JEPS108536  Antennaria dimorpha L. P. Janeway, B. Castro 2006-6-4 8664 Plumas Northern High Sierra Nevada. South side of Squaw Valley, 100 m north of junction of McReynolds Valley Road and Squaw Valley Road 1684 Comment
  SEINET6735131 Image available Antennaria geyeri W. Harnach, N. Harnach 1990-6-13 371 Plumas Sierra Valley, SW of Beckwourth, Ramelli Ranch (USFS) 1487 Comment
  CAS-BOT-BC58702  Antennaria geyeri John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54356 Plumas Near Indian Creek about 0.75 miles northwest of the northwest arm of Antelope Reservoir 1584 Comment
  CAS-BOT-BC64786  Antennaria luzuloides subsp. aberrans John Thomas Howell 1962-6-18 37789 Plumas Sierra Valley near Beckworth 1487 Comment
  CAS-BOT-BC79928  Antennaria microphylla Rimo Bacigalupi 1927-7-7 1633 Plumas Halfway between Camp Elwell and Long Lake. Gold Lake Region. Comment
  CHSC76032  Antennaria rosea G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3266 Plumas Mount Hough summit. 2194 Comment
  RSA88084  Antennaria rosea J. T. Howell 1951-6-28 27718 Plumas Eureka Peak. 2195 Comment
  UC1552729  Antennaria rosea Frederica Bowcutt 1985-6-6 563 Plumas 15 air mi ne of Quincy; Plumas National Forest 1676 Comment
  CHSC21818  Antennaria rosea subsp. rosea F. T. Griggs; A. Pass 1975-7-23 244 Plumas Cape Lake. Bucks Lake Forest Service Survey. Comment
  CAS-BOT-BC84601  Anthemis cotula John Thomas Howell 1959-9-21 34811 Plumas Indian Creek Canyon 914 Comment
  CHSC64857  Anthoxanthum odoratum Vernon H. Oswald 1995-6-24 6910 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralled by the road to Last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. 1371 Comment
  UC1382128  Antirrhinum vexillocalyculatum subsp. intermedium L. Constance and Tsan-Iang Chuang 1969-7-11 3872 Plumas 8.6 mi sw Arch Rock Tunnel; North Fork of Feather River Comment
  CHSC62089  Apocynum androsaemifolium L. P. Janeway 1993-7-28 4482 Plumas Plumas National Forest. Northwest-facing slope near bottom of a western branch of Ward Creek, ca 1 mi south of Genesee Valley. 1264 Comment
  JEPS48504  Apocynum androsaemifolium Esther C. Fritz 1933-7-15 Plumas at the peak near Look-out Station Spanish Peak 2133 Comment
  UCR123996  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2001-7-6 6853 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  SBBG128283  Apocynum androsaemifolium L. Ahart, J. Dittes 2009-7-14 16068 Plumas SE side of Forest Service Rd 27N92, ca. 1.9 mi SE of Seneca, ca. 6 mi S of Lake Almanor Reservoir Dam 1677 Comment
  SEINET5743413 Image available Apocynum androsaemifolium Lowell Ahart, Peter Ahart 1985-1 5096 Plumas About 100 yards east of McCarthy Creek and along the road, about 1 mile north of the road to Claghorn Bar, about 7 miles NW of Pilot Park.; Pilot Park 1829 Comment
  SJSU14708  Apocynum androsaemifolium N. A. Hopkins 1991-6-26 1691 Plumas between Milford fork & Janesville on road N from Red Clover Valley 1524 Comment
  RSA443121  Apocynum androsaemifolium subsp. pumilum L. Ahart, P. Ahart 1985-7-1 5096 Plumas About 100 yards east of McCarthy Creek and along the road, about 1 mile north of the road to Cleghorn Bar, about 7 miles northwest of Pilot Park 1829 Comment
  CAS-BOT-BC397878  Aquilegia formosa John Thomas Howell 1951-8-19 28170 Plumas 3 miles east of Rich Bar 853 Comment
  CHSC37632  Aquilegia formosa T. B. Devine 1979-10-5 599 Plumas Near Queen Lily Campground, N Fork of Feather River, ca. 3 mi N of its junction with the E Branch of the N Fork. 792 Comment
  SBBG2091  Aquilegia formosa A. A. Heller, P. B. Kennedy 1907-8-15 8847 Plumas near mouth of Little Grizzly Crk below Genesee Comment
  UC569712  Aquilegia formosa E. Sawyer 1935-6-24 139 Plumas 4 1/2 mi e Crow; Sierraville Quadrangle 1828 Comment
  SEINET5337615  Aquilegia formosa A. A. Heller, P. B. Kennedy 1907-7-15 8847 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  POM299289  Aquilegia formosa var. truncata H. C. Cantelow 1941-7-20 s.n. Plumas 7 miles W of Johnville on road to Gillsville, Plumas County Comment
  RSA88490  Arabis breweri J. T. Howell 1951-6-28 27665 Plumas Jamison Creek Canyon 1585 Comment
  SEINET10841515  Arabis holboellii var. pinetorum Mary Susan Taylor 1981-5-11 Taylor 3685 A Plumas T25N R12E sw/nw sec 6. Genesee Valley quad. Weeds around private home, ca. 0.5 mi S of Flournoy Bridge and jct of Hwy 89 and Beckwourth turnoff, ca. 4 air me E of Genesee. 3800 ft. 1158 Comment
  CDA18766  Arabis holboellii var. retrofracta G. D. Barbe, T. C Fuller 1982-7-16 3750 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  CDA19239  Arabis puberula G. D. Barbe, T. C. Fuller 1982-6-17 3825 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  SEINET5642054  Arabis puberula Reed C. Rollins, Kathryn W. Rollins 1981-5-29 81161 Plumas 5.2 miles northwest of Beckwourth on road to Genesee.; 0 Comment
  CAS-BOT-BC171671  Aralia californica Jay B. Walker; Jeff Stadler; Noah Goldstein 1994-8-3 872 Plumas On La Porte Rd. 10 km S of jct with Hwy 10. 1400 Comment
  UC170972  Aralia californica H. M. Hall 1912-8-4 9383 Plumas canyon just w. of Quincy; Sierra Nevada Mts. 1127 Comment
  JEPS107546  Arceuthobium abietinum Lowell Ahart, John Dittes 2005-9-19 12412 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1998 Comment
  CAS-BOT-BC409921  Arceuthobium campylopodum L. P. Janeway 1989-9-6 3641 Plumas Along road 24N45Y, 0.25 mi. E of Crocker Meadow and the Beckwourth-Genesee Road, 6.3 miles N of Beckwourth 1752 Comment
  SEINET2116911  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-8-18 2004 -14 Plumas South side of Long Lake, Plumas National Forest 1915 Comment
  CAS-BOT-BC38490  Arctostaphylos mewukka subsp. truei John Thomas Howell; Gordon H. True 1967-5-8 42194 Plumas Near the spring in the Butterfly Botanical Area 1097 Comment
  CAS-BOT-BC38617  Arctostaphylos mewukka subsp. truei John Thomas Howell 1959-9-21 34778 Plumas N. Fork Feather River near Belden 701 Comment
  SBBG103605  Arctostaphylos mewukka subsp. truei J. T. Howell 1976-4-2 51570 Plumas Injun Jim Cmpgrd, North Fk Feather River 609 Comment
  RSA101441  Arctostaphylos nevadensis R. Weatherby 1955-6-22 1538 Plumas Spanish Peak. 2134 Comment
  RSA605327  Arctostaphylos nevadensis L. C. Wheeler 1952-9-24 6955 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  UC565902  Arctostaphylos nevadensis E. Nourse 1934-9-4 28 Plumas e side Clermont Hill; Downieville Quadrangle 2133 Comment
  UCD52664  Arctostaphylos nevadensis J. I. Mallory 1970-8-3 382 Plumas 1 1/2 miles north of North Valley and 3 miles northwest of Rock Creek Power House. 1463 Comment
  CAS-BOT-BC40002  Arctostaphylos nevadensis John Thomas Howell 1959-9-23 34876 Plumas 3 mi. s. of Lassen Park boundary on road to Chester 1828 Comment
  CAS-BOT-BC42119  Arctostaphylos patula Alice Eastwood 1927-6-15 14595 Plumas On trail to Long Valley Comment
  CAS-BOT-BC42121  Arctostaphylos patula Keith Wagnon; James T. Vale 1988-10-4 1819 Plumas ca. 2 mi. e. of town of Buck's Lake on old road - logging road 1/4 mi. north. 1511 Comment
  JEPS38828  Arctostaphylos patula L. S. Smith 1914-1-2 Plumas near Johntown 1524 Comment
  UC1552778  Arctostaphylos patula Frederica Bowcutt 1985-6-6 557 Plumas about 1/8 mi n Beckwourth-Genesee Rd. (about 15 air mi ne of Quincy) 1554 Comment
  UC566007  Arctostaphylos patula E. Nourse 1934-9-4 29 Plumas E. Clermont Mountain Downieville Quadrangle 2133 Comment
  CHSC23684  Arctostaphylos patula subsp. patula K. Stern; J. Cox 1975-7-24 Plumas W. side of Lake Almanor. Comment
  UCD23330  Arctostaphylos viscida subsp. viscida E. W. Jameson 1948-11-20 s.n. Plumas 4 mi. north of Quincy. 1097 Comment
  SEINET10965530  Arenaria congesta Mary Susan Taylor 1981-7-17 Taylor 4040 Plumas T21N R12E se/sw sec 7, Sierra City NW quad; Lakes Basin, Bear Lakes trail, around Cub Lake, ca. 6 air mi S of Mohawk. 6500 ft elev. 1981 Comment
  CDA19238  Arenaria congesta var. suffrutescens G. D. Barbe, T. C. Fuller 1982-6-17 3826 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  RSA169383  Arenaria kingii subsp. kingii L. S. Rose 1963-6-4 4800 Plumas Sierra Valley, 1 mile S of Beckwourth 1463 Comment
  CAS-BOT-BC82088  Arnica M. S. Taylor 1981-6-25 3948 Plumas Ramelli Ranch, ca. 1/8 mi s of Hwy 70 ca. 1/2 mi sw of Beckwourth. Around North Fork Feather River 1493 Comment
  UC710419  Arnica chamissonis Thomas H. Kearney Aug 14 1944-Aug 26 1944 166 Plumas near Prattville; Lake Almanor Comment
  CAS-BOT-BC82226  Arnica chamissonis Clare B. Hardham 1978-8-11 21760 Plumas southeast of Thompson Peak Comment
  CAS-BOT-BC295855  Arnica dealbata H. E. Brown 1897-8-15 672 Plumas Near Lassen Buttes 1828 Comment
  CHSC21696  Arnica dealbata F. T. Griggs; A. Pass 1975-7-16 200 Plumas N. shore of Lower Buck's Lake. Comment
  UC1070448  Arnica dealbata G. T. Nordstrom 1934-7-9 198 Plumas 0.75 mi sse Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1645 Comment
  CHSC102066  Arnica discoidea Lowell Ahart; John Dittes 2009-7-15 16093 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  CHSC91918  Arnica discoidea Lowell Ahart; Josephine Guardino 2005-8-10 12305 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  JEPS115227  Arnica discoidea Lowell Ahart, John Dittes 2009-7-15 16093 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  JEPS35859  Arnica discoidea John Warren Duffield 1937-7-18 Plumas Spring Hill Trail Schneider Creek, sw Plumas Co Comment
  CAS-BOT-BC90056  Arnica nevadensis C. R. Quick 1945-7-25 45 -72 Plumas Butt Creek on road to Humbug Valley Comment
  CHSC59669  Artemisia arbuscula subsp. arbuscula L. P. Janeway 1992-9-10 4308 Plumas Plumas National Forest. Flats on the south side of Middle Fork Feather River 1.75 mi west of Beckwourth. 1487 Comment
  RSA59701  Artemisia cana E. K. Balls 1950-9-2 15664 Plumas Along Grizzly Creek, about Grasshopper Flat, road from Ramelli to Walker Mine 1829 Comment
  CAS-BOT-BC90404  Artemisia douglasiana John Thomas Howell 1960-8-20 36284 Plumas Kelly Camp, near Drakesbad 1615 Comment
  CHSC92192  Artemisia douglasiana Lowell Ahart; John Dittes 2005-9-20 12454 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 1984 Comment
  UC710418  Artemisia douglasiana Thomas H. Kearney Aug 14 1944-Aug 26 1944 165 Plumas near Prattville; Lake Almanor Comment
  JEPS98997  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart 2001-10-8 9315 Plumas On the south side of Boulder Creek, below or near the high water line of Antelope Lake, about 24 miles (air) NE of Quincy. 1524 Comment
  CHSC59674  Artemisia michauxiana L. P. Janeway 1992-8-30 4296 Plumas Plumas National Forest. McRae Meadow; upper end of East Nelson Creek. 1889 Comment
  CAS-BOT-BC93523  Artemisia tridentata subsp. tridentata Fred Sommers 1976-8-27 231 Plumas Unspecified 1524 Comment
  CHSC55181  Artemisia tridentata subsp. vaseyana L. P. Janeway 1989-9-6 3645 Plumas Plumas National Forest. Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth. 1752 Comment
  UCSB45732  Asarum hartwegii Reisentz, Paul 1979-5-12 Plumas At Lewisia Roack, 3 miles north of Injun Jim Campground on Highway 70 Comment
  CAS-BOT-BC400771  Asarum lemmonii John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2393 Plumas On east side of Butterfly Valley Comment
  CAS-BOT-BC140668  Asarum lemmonii R. W. Becking 1996-6-6 036 Plumas Keddie, Hwy. 89, Butterfly Valley Creek Comment
  RSA790004  Asarum lemmonii Rudolf W. Becking 1996-6-5 35 Plumas Near Quincy, Deer Creek bridge. Comment
  UCD137863  Asarum lemmonii Angela R. Drumm 1980-5-18 2 Plumas Butterflu Valley, 1 mile south of Keddie on dirt road branching to east off State Highway 40. 1036 Comment
  RSA121922  Asclepias cordifolia D. Axelrod 1934-6-9 s.n. Plumas 2 miles northwest of Lexington Hill 1768 Comment
  UCSB15830  Asclepias fascicularis 1962-6-12 Plumas Indian Creek along State Highway 89, 6.9 miles south of Greenville; Sierra Nevada 1066 Comment
  JEPS6282  Asclepias speciosa W. L. Jepson 1939-8-4 19340 Plumas Rock Creek; Meadow Valley 1219 Comment
  CAS-BOT-BC69581  Aspidotis densa George W. Gillett; Hans Leschke 1957-7-13 763 Plumas Below Sifford Lakes, on direct route to the Devils Kitchen, Lassen Volcanic National Park. 2057 Comment
  CAS-BOT-BC69587  Aspidotis densa Lewis S. Rose 1963-6-5 63135 Plumas E. branch, North Fork Feather River, 0.5 mi. n. of Rich Bar. 822 Comment
  CHSC63440  Aspidotis densa Lowell Ahart 1994-7-28 7538 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  CHSC98350  Aspidotis densa L. P. Janeway 2007-6-3 9012 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. 1929 Comment
  JEPS60032  Aspidotis densa W. L. Jepson 1939-7-31 19294 Plumas between Meadow Valley and Buck's Valley (Spanish Peak) 1524 Comment
  RSA169424  Aspidotis densa L. S. Rose 1963-6-5 63135 Plumas East Branch, North Fork of Feather River, .5 miles north of Rich Bar 823 Comment
  CAS-BOT-BC97462  Aster W. Harnach; N. Harnach 1990-6-13 370 Plumas Sierra Valley, Ramelli Ranch (USFS) 1487 Comment
  CAS-BOT-BC97477  Aster Clare B. Hardham 1978-8-11 21803 Plumas Red Clover Creek Road 1219 Comment
  CDA42089  Aster elatus G. F. Hrusa, J. Dinsdale 1989-6-27 7218 Plumas Sierra Nevada; Butterfly Botanical Area, Butterfly Valley approx. 10 miles NW of Quincy. Plumas National Forest. Comment
  CHSC45637  Aster elatus Vernon H. Oswald 1986-8-7 2273 Plumas Old Hauns Rd. to Homer Lake trailhead, 2.2 mi N of Hwy 89 and slightly east of the road to Hauns Meadows. 1463 Comment
  CHSC82531  Aster radulinus L. P. Janeway 2001-7-3 7268 Plumas Northern High Sierra Nevada. Top of south-southwest facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  RSA0039309  Aster radulinus Lowell Ahart 2008-8-14 15211 Plumas 300 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CHSC63141  Astragalus bolanderi Lowell Ahart 1994-6-29 7420 Plumas East of Frenchman Hill, east of Oroville Quincy Highway, south-west of Bucks Lake. 1828 Comment
  JEPS91414  Astragalus lemmonii Dean Wm. Taylor with Glenn Clifton 1990-6-26 11179 Plumas Sierra Valley; near junction Road A24 and Dyson Lane, in SW corner of the junction 1432 Comment
  CAS-BOT-BC192849  Astragalus pulsiferae W. Harnach; N. Harnach 1989-6-29 207 Plumas Sierra Valley. Beckwith [Beckwourth] Pass on the north side of Hwy. 70 1539 Comment
  SJSU4151  Astragalus purshii C. W. Sharsmith & W. Savage 1967-5-20 7521 Plumas near S base of The Buttes (not Sierra Buttes), c. 7 mi W of Vinton, Sierra Valley 1524 Comment
  CAS-BOT-BC192948  Astragalus purshii var. purshii A. A. Heller; P. B. Kennedy 1907-7-4 8727 Plumas Ridge east of Red Clover Valley Comment
  RSA641475  Astragalus purshii var. purshii Michael A. Vincent 1999-6-7 8521 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11; [FS t. lemmonii occurence site TR-3] Comment
  CHSC70009  Astragalus purshii var. tinctus L. P. Janeway 1997-5-7 5113 Plumas Along Beckwourth-Genesee Road 3.7 mi southeast of Indian Creek. Southwest-facing low ridge above Red Clover Creek. 1365 Comment
  CAS-BOT-BC200859  Astragalus webberi Gary Schoolcraft 1984-6-27 1279 Plumas About 1 mile s. of Crescent Mills 1097 Comment
  CHSC112611  Asyneuma prenanthoides Lowell Ahart 2013-9-11 19034 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  UC185193  Athyrium distentifolium var. americanum Mrs. Carlotta C. Hall 1912-7-11 9341 Plumas Long Lake 2042 Comment
  UC1075639  Athyrium distentifolium var. americanum Robert J. Weatherby 1950-8-11 1518 Plumas upper end Long Lake; Lakes Basin Area 2133 Comment
  CAS-BOT-BC66008  Athyrium filix-femina M. S. Taylor 1982-8-9 4949 Plumas Almanor NE quad. Jct of rd 26N17Y and Pliocene Creek, ca. 1 mi nw of Rattlesnake Hill, ca. 2 mi s of Canyon Dam 1645 Comment
  RSA795639  Athyrium filix-femina subsp. cyclosorum L. Ahart 2011-9-17 17656 Plumas On the south side of an unnamed stream that flows east in Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  CAS-BOT-BC69504  Athyrium filix-femina var. californicum David D. Keck 1932-7-3 1693 Plumas Quincy, just w. of town. 1066 Comment
  CHSC34938  Athyrium filix-femina var. cyclosorum M. S. Taylor 1981-8-19 4222 Plumas S side of 23N10, 0.3 mi e of Peoria Creek, ca. 2.5 mi w of Sloat. 1341 Comment
  SEINET10941930  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2009-8-28 Ahart 16350 Plumas T26N, R7E, northeast 1/4 Section 1. Normal size frond, on damp to wet soil, seep, on the northside of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1477 Comment
  UC688909  Athyrium filix-femina var. cyclosorum John Thomas Howell 1926-7-27 2144 Plumas near Prattville 1463 Comment
  SEINET5338586  Athyrium filix-femina var. cyclosorum M. J. Williams 1967-8-20 1195 Plumas Above Johnsville, near Rene's Falls 1829 Comment
  CAS-BOT-BC17541  Athysanus pusillus Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-7 1839 Plumas Butterfly Botanical Area and Vicinity. West edge of Butterfly Valley proper. 1082 Comment
  SD129285  Athysanus pusillus B. Pitzer, S. Morgan and H. Soldan 1988-5-29 957 Plumas Plumas National Forest, ca. 6.0 miles north of Gold Lake on Gold Lake Road, and 2.6 miles south of junction with Highway 89. 1830 Comment
  CAS-BOT-BC17547  Athysanus pusillus John Thomas Howell 1976-4-2 51572 Plumas Sierra Nevada. 2 miles northwest of Spring Garden. 1173 Comment
  UC118038  Athysanus pusillus Mrs. R. M. Austin 1880-1 Plumas Comment
  CAS-BOT-BC170566  Atriplex Fred Sommers; Greg Sommers 1976-8-20 221 Plumas Marble Hot Springs Area, Marble Lane, Sierra Valley Marsh 1487 Comment
  CAS-BOT-BC494110  Atriplex truncata W. Harnach; N. Harnach 2000-8-23 1000 Plumas Sierra Valley. 1 mi W of the Steel Bridge on Marble Lane 1485 Comment
  CDA43426  Avena barbata Willow Vieira 2015-6-4 PDR# 320 P6131685 Plumas Caribou. 0 Comment
  CHSC81592  Azolla mexicana Lowell Ahart 2001-10-8 9326 Plumas On still waters of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CAS-BOT-BC100037  Balsamorhiza deltoidea Alice Eastwood 1927-6-14 14570 Plumas United States Forest Reserve, Forest Lodge Greenville Comment
  CAS-BOT-BC106458  Balsamorhiza hookeri John Thomas Howell 1962-6-18 37788 Plumas Sierra Valley near Beckwourth - Sierra Nevada 1487 Comment
  UC1119017  Balsamorhiza hookeri E. Sawyer 1935-5-21 7 Plumas 3 mi ene of Beckwith Butte (Sierraville); Sierraville 1524 Comment
  CHSC102127  Barbarea orthoceras Lowell Ahart; John Dittes 2009-7-27 16165 Plumas On dry to damp soil, below a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC36875  Bidens cernua M. S. Taylor 1982-8-23 5037 Plumas Between dirt road and S side of North Fork Feather River, ca 1/4 mi W of Twain. 853 Comment
  RSA121107  Blepharipappus scaber E. Sawyer 1935-6-7 80 Plumas 3 3/4 miles southwest of Sugarloaf. 1494 Comment
  RSA0125973  Boechera Milo S. Baker 1952-5-27 12475 Plumas Feather River Canyon at Camp Storrie. 473 Comment
  UC10146  Boechera Mrs. R. M. Austin and Bruce Jun 1898 2251 Plumas Davis Creek Comment
  CHSC33810  Boechera constancei M. S. Taylor 1981-6-22 3943 Plumas N and S side of 25N57, ca. 0.5 mi e of jct 25N57 with 25N17, ca. 4 air mi nw of Meadow Valley. 1615 Comment
  CHSC75472  Boechera constancei G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3126 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
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Mar 24 2009
  CAS-BOT-BC14015  Boechera lemmonii Mrs. H. C. Cantelow 1938-7-5 2314 Plumas Flatiron Ridge. 1828 Comment
  CHSC104754  Boechera platysperma L. P. Janeway 2010-8-19 10169 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost (northeastern) end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 1.0 km southwest of Road 22N27 (Lumpkin Road). On ridgetop and southeast-facing slope. 1797 Comment
  CHSC21724  Boechera platysperma F. T. Griggs; A. Pass 1975-7-23 243 Plumas Cape Lake. Comment
  CAS-BOT-BC14658  Boechera rectissima John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2161 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 883 Comment
  CHSC62536  Boechera rectissima B. Castro 1993-7-20 485 Plumas Ca 2 air mi W of Bucks Lake, ca 1 mi N of Grizzly Ck, on ridge between USFS Rds 23N42 and 23N42A. 1645 Comment
  CHSC82502  Boechera rectissima Lowell Ahart 2002-6-26 9774 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  CAS-BOT-BC25592  Boechera retrofracta John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2439 Plumas Butterfly Botanical Area and Vicinity. From vicinity of mouth of Butterfly Creek. 883 Comment
  CHSC107457  Boechera retrofracta Matt Simenc; Rebecca Joyner 2011-7-3 14 Plumas Northern High Sierra Nevada. 250ft SW of peak of Little Volcano Limestone Point, 0.2 miles (air) SW of end of 23N90A road, 2.4 miles (air) West (266 degrees) of where La Porte Quincy Rd crosses the Middle Fork Feather River. Growing in crack on limestone cliff, South facing. 1728 Comment
  CAS-BOT-BC25719  Boechera sparsiflora John Thomas Howell; Gordon H. True 1973-7-31 50116 Plumas Sierra Nevada. Diamond Range. Summit ridge of Thomspon Peak. 2194 Comment
  CAS-BOT-BC25721  Boechera sparsiflora Ella Dales Cantelow 1940-5-12 3752 Plumas 2.5 miles southwest of Beldon. Comment
  CAS-BOT-BC478471  Boisduvalia John Thomas Howell 1961-9-25 36946 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC478485  Boisduvalia Clarissa Kimber 1961-8-6 237 Plumas Upper Butterfly Valley, 2.5 mi. W turn off Hwy 89 - US 40 alt. 1 mi S Keddie 1158 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
  CHSC110869  Botrychium montanum Tim Hanson; Emily Meigs Doe 2013-7-31 3 Plumas North High Sierra Nevada. On the Southeast side of Silvertip Road (22N60) approximately .9 km north of its intersection with Road 22N68. 1637 Comment
  UCD136808  Botrychium multifidum Dennis Wm. Stevenson 1974-10-1 376 Plumas Between trail and Jamison Creek, 0.5 mile below (north of) Grass Lake (above Jamison Mine). 1767 Comment
  CHSC82549  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9873 Plumas In a meadow, near a pond, about 200 yards north of Lumpkin Ridge Road, about 3/4 mile (air) northeast of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1634 Comment
  CHSC83012  Botrychium simplex var. compositum Lowell Ahart 2002-9-8 9934 Plumas In a meadow, near a small pond, about 200 yards north of Lumpkin Ridge Road, about 3/4 mile (air) northeast of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1634 Comment
  JEPS99051  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9873 Plumas 3/4 air mi NE of Little Grass Valley Reservoir dam (4 air mi NW of La Porte); Lumpkin Ridge Road 1635 Comment
  JEPS99054  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9864 Plumas 1 air mi NE of Little Grass Valley Reservoir dam (4 air mi NW of La Porte); Lumpkin Ridge Road 1714 Comment
  UC1127176  Boykinia major G. T. Nordstrom 1934-7-2 173 Plumas 1 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. Comment
  UCD102596  Boykinia major Jim McHenry 1992-6-1 s.n. Plumas location unknown. 1615 Comment
  CDA17300  Brasenia schreberi G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16349 Plumas Sierra Nevada; Snake Lake, 4 mi. NW of Quincy. Comment
  SEINET10474491  Brickellia greenei Mary Susan Taylor 1981-8-25 Taylor 4243 Plumas California: T25N R7E sw1/4 of ne1/4 sec 11. Almanor SW quad. N side of 26N22F-Red Hill Rd, 1.9 mi S of its jct with 26N22 in Deadwood Canyon-Rich Gulch, ca. 6 air mi NE of Belden. Plumas County. 5300 ft. 1615 Comment
  CAS-BOT-BC127710  Brickellia greenei John Thomas Howell 1974-9-20 50888 Plumas 7 miles from Quincy on road to Blairsden 1097 Comment
  RSA0089039  Brodiaea multiflora Bonnie C. Templeton 1968-6-9 11254 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  UCD32649  Bromus carinatus Beecher Crampton 1954-7-5 2041 Plumas Plumas County, 1.5 miles north of Greenville, along highway 89. 1127 Comment
  CHSC118784  Bromus carinatus Wendy L. Boes; Jim Battagin 2015-5-12 2015 -005 Plumas Plumas National Forest. Between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. (UTM 652180 E, 4433328 N, NAD83 Zone 10N). 792 Comment
  CHSC88195  Bromus carinatus var. carinatus Lowell Ahart 2004-7-27 11317 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  UC1131035  Bromus carinatus var. carinatus A. Lewis 1934-6-18 488 Plumas Plumas National Forest, Little Grass Valley Little Grass Valley; Plumas National Forest, Little Grass Valley 1524 Comment
  CAS-BOT-BC148715  Bromus carinatus var. marginatus John Thomas Howell 1955-7-19 30756 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  UC1037103  Bromus catharticus Leo Whitney 1934-8-7 3011 a Plumas 10 mi nw of Portola (3 mi n of the Cate Place, Plumas National Forest, Big Grizzley Valley); Plumas National Forest, Big Grizzley Valley 1828 Comment
  CHSC100311  Bromus ciliatus Lowell Ahart 2008-7-16 15075 Plumas Forest floor, edge of a seep, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CHSC100348  Bromus ciliatus Lowell Ahart 2008-8-13 15184 Plumas East of La Porte Road, along the sides of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CAS-BOT-BC155967  Bromus commutatus John Thomas Howell 1955-7-20 30867 Plumas Sierra Nevada. Mohawk. 1371 Comment
  CAS-BOT-BC155973  Bromus commutatus John Thomas Howell; Gordon H. True 1967-6-11 42582 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  UCD58476  Bromus commutatus John Thomas Howell 1967-6-23 42677 Plumas Plumas Canyon. Butterfly Creek. 975 Comment
  CAS-BOT-BC155310  Bromus inermis John Thomas Howell; Gordon H. True 1967-7-11 43378 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  RSA795663  Bromus japonicus L. Ahart 2012-7-1 18258 Plumas On the sides and in the gutter of the dirt road to the large pipe, about 0.25 miles east of Caribou Road, about 3.5 air miles northeast of Belden. 808 Comment
  SBBG33927  Bromus japonicus L. S. Rose 1968-6-10 68087 Plumas Quincy 1038 Comment
  JEPS102748  Bromus orcuttianus Lowell Ahart 2001-7-23 8998 Plumas Along the edge of the dirt road, near sign of stagecoach robbery, about 1/2 mile north of Humboldt Summit. 1828 Comment
  UC641670  Bromus orcuttianus G. L. Stebbins Jr. 1939-7-7 2914 Plumas 1.7 mi e of Meadow Valley (on road to Quincy) Comment
  CAS-BOT-BC161356  Bromus tectorum Javier Penalosa 1962-6-19 2499 Plumas Highway 40-89, +-6.2 miles southeast of Quincy. 1097 Comment
  CAS-BOT-BC161359  Bromus tectorum Alice Eastwood 1918-5-25 7059 Plumas Portola. Comment
  CHSC53227  Bromus tectorum L. P. Janeway 1989-6-15 3320 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley. 1676 Comment
  CHSC91530  Bromus tectorum G. D. Barbe; T. C. Fuller 1982-6-17 3808 Plumas Northern California. Plumas National Forest. South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. [Lat./long. on label is '39 54 N; 120 11 W']. 1706 Comment
  UC1131288  Bromus tectorum C. W. Hanks 1934-8-7 12 Plumas Plumas National Forest, nw end of Sierra Valley Sierra Valley; Plumas National Forest, Sierra Valley 1584 Comment
  UC335743  Cacaliopsis nardosmia unknown Plumas Indian Valley Comment
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May 4 2021
  CAS-BOT-BC185351  Calamagrostis canadensis E. K. Balls 1950-9-8 15719 Plumas Lakes Center Public Camp. 2042 Comment
  CHSC21328  Calamagrostis canadensis F. T. Griggs; A. Pass 1975-8-1 281 Plumas Lower Buck's Lake. Comment
  CAS-BOT-BC85758  Calocedrus decurrens S. E. Hirstel 1926-7-1 s.n. Plumas Near Greenville Comment
  SEINET10531064  Calocedrus decurrens Mary Susan Taylor 1974-7-3 Taylor 302 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  SEINET5334888  Calocedrus decurrens R. J. Holl 1949-5-28 s.n. Plumas 3 miles north of Quincy 1067 Comment
  SBBG15285  Calochortus coeruleus H. and M. Dearing 1938-7-1 2257 Plumas near Lake Almanor Comment
  CAS-BOT-BC487765  Calochortus coeruleus W. W. Wagner 1919-5-25 261 Plumas Massack Creek 1432 Comment
  CHSC32037  Calochortus leichtlinii L. Ahart 1979-7-18 1999 Plumas S of Onion Valley Reservoir, ca. 1 mi w of Pilot Peak, ca. 12 mi n of La Porte. 1800 Comment
  CHSC67719  Calochortus leichtlinii James D. Jokerst 1979-7-25 Plumas Ca. 20 m S of Meadow Creek, ca. 400 m E of forest service road to Deans Meadow. Comment
  POM109565  Calochortus leichtlinii Marcus E. Jones 1897-7-6 s.n. Plumas Prattville. 5 miles west. 1372 Comment
  CAS-BOT-BC491833  Calochortus leichtlinii John Thomas Howell 1960-7-19 35687 Plumas Drakesbad 1828 Comment
  SEINET10469591  Calochortus leichtlinii Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3871 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  CAS-BOT-BC483474  Calochortus minimus Marion Ownbey; Ruth P. Ownbey 1938-7-14 1740 Plumas Below Humboldt Summit on road between Jonesville and Lake Almanor Comment
  CHSC97436  Calochortus nudus Robert Fischer 2006-7-2 1037 Plumas Buckslake. Between Oroville and Bucks Lake, off the Oro-Quincy Hwy, at large meadow just south of Bucks Lake. 1371 Comment
  UC569431  Calochortus nudus F. W. Embree 1934-6-12 99 Plumas w end Hawkins Valley; Bidwell Bar Quad. 1615 Comment
  UC648402  Calochortus nudus Marion Ownbey and Ruth P. Ownbey 1938-7-14 1740 Plumas below Humboldt Summit (on road between Jonesville and Lake Almanor) Comment
  PASA532  Calochortus nudus Margaret Stason 1932-6-22 Plumas Near Drakesba,d Lassen National Park Comment
  SEINET10475213  Calycadenia truncata Mary Susan Taylor 1981-8-31 Taylor 4250 Plumas California: T22N R13E sw 1/4 sec 22. Sierra City NE quad. Headwaters of Calf Pasture Creek, ca. 4 mi E of Clio. Plumas County. 5600 ft. 1707 Comment
  CAS-BOT-BC90966  Calycanthus occidentalis Clarence Quick 1940-7-20 40 -93 Plumas Northeast of Big Bar Mountain on Mill Creek, east of Feather River at Pulga. Comment
  CDA24457  Calycanthus occidentalis D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .256 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  RSA71059  Calycanthus occidentalis L. S. Rose 1951-6-24 51082 Plumas Feather River Canyon, near Rock Creek. 549 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
  UC1075703  Calyptridium monospermum Robert J. Weatherby 1955-6-22 1533 Plumas road to Spanish Peak lookout 1828 Comment
  JEPS103356  Calyptridium umbellatum Lowell Ahart 2002-6-26 9778 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  SJSU14353  Calyptridium umbellatum N. A. Hopkins 1990-5-12 1610 Plumas SW side of Clover Valley on rd to Genessee, 11.2 mi NW of Beckwourth 1645 Comment
  SEINET7125762  Calystegia fulcrata subsp. malacophylla M. J. Williams 1980-6-13 80- 66 -1 Plumas Caribou Power Station Road, north of Hwy 70 1067 Comment
  JEPS102938  Calystegia malacophylla subsp. malacophylla L. P. Janeway 2001-7-3 7257 Plumas Northern High Sierra Nevada. Along Road 24N28 on nose of ridge between Four Water Creek and Bear Creek 1567 Comment
  CHSC21313  Calystegia occidentalis subsp. occidentalis F. T. Griggs; A. Pass 1975-7-8 129 Plumas Buck's Lake Forest survey Comment
  CHSC70247  Calystegia occidentalis subsp. occidentalis B. Castro; R. Fallscheer 1989-8-7 358 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.3 mi SW jcn Rds 23N18, 23N15 and 23N69, on the south flank of Red Mtn. 1752 Comment
  CAS-BOT-BC496985  Camassia leichtlinii subsp. suksdorfii John Thomas Howell 1967-6-23 42713 Plumas Butterfly Valley 1066 Comment
  CDA18561  Camassia quamash G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3353 Plumas Sierra Nevada; 0.25 mile northeast of Bucks Summit on Bucks Lake Road; at the head of Eagle Gulch. 1670 Comment
  RSA0009460  Camassia quamash subsp. breviflora Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  POM181277  Camissonia andina J. G. Lemmon 1879-05 s.n. Plumas Warm Spring Valley Comment
  CAS-BOT-BC160893  Camissonia tanacetifolia subsp. tanacetifolia Lowell Ahart 1981-9-6 3099 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  SEINET10453245  Camissonia tanacetifolia subsp. tanacetifolia Mary Susan Taylor 1981-7-13 Taylor 3991 Plumas T25N R15E nw sec 1. Ferris Creek quad. Jct Last Chance Creek and 26N01 at its jct with 28N03 (101), 2 mi E of Jordan Flat, ca. 10 mi W of Doyle, ca. 2 mi NW of Meadow View. 5900 ft elev. 1798 Comment
  SEINET10463008  Campanula prenanthoides Wheeler WHEELER s.n. Plumas Cascade Comment
  SEINET10463210  Campanula prenanthoides Rose 1966-7-26 Rose 66059 Plumas Butterfly Valley, 3 mi W of Keddie, dry open woods 3500'. Comment
  SEINET10905899  Campanula prenanthoides Austin AUSTIN 546 Plumas Hills south of Quincy Comment
  SEINET10905900  Campanula prenanthoides Joseph Clemens 1920-8-11 Clemens s.n. Plumas Greenville Comment
  CHSC92132  Capsella bursa-pastoris Lowell Ahart; John Dittes 2005-9-19 12416 Plumas Along the west side of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1998 Comment
  RSA101463  Cardamine breweri R. Weatherby 1955-7-2 1575 Plumas Creek below Bear Ridge. Near Taylor Lake. 1982 Comment
  CHSC112175  Cardamine nuttallii Dean Wm. Taylor 2012-5-2 21185 Plumas 1 mile NE of Johnson Mine (site); ca 7.5 air miles ESE of Quincy. 1430 Comment
  RSA0049676  Cardamine nuttallii Dean Wm. Taylor 2012-5-2 21185 Plumas 1 mile NE of Johnson Mine (site); ca. 7.5 air miles ESE of Quincy 1430 Comment
  CHSC71138  Cardamine pachystigma L. P. Janeway 1998-3-30 5438 Plumas East side of ravine draining East Branch North Fork Feather River at Rich Bar; above Hwy 70. Almost to the edge of the creeklet. 792 Comment
  RSA52953  Cardamine pulcherrima R. Weatherby 1950-5-31 1435 Plumas West shore of Lake Almanor. 1418 Comment
  CAS-BOT-BC18362  Carex John Thomas Howell 1962-6-16 37643 Plumas Sierra Nevada. Feather River North Fork on road to Caribou. 731 Comment
  CAS-BOT-BC17834  Carex amplifolia M. S. Taylor 1982-8-9 4947 Plumas Around spring at junction of road 26N17Y and Pliocene Creek, ca. 1 mile northwest of Rattlesnake Hill. 1645 Comment
  JEPS117646  Carex angustata Lowell Ahart 2010-7-27 16931 Plumas North side of Forest Road 22N68, about 150 yards north of the South Fork of the Feather River, about 1/4 mile southwest of the Feather Fork Mine, about 1 1/2 miles (air) northeast of Little Grass Valley Reservoir 1634 Comment
  CAS-BOT-BC17930  Carex angustata Mrs. H. C. Cantelow 1938-7-4 2275 Plumas Drakesbad Meadow. Comment
  CHSC105964  Carex athrostachya Lowell Ahart 2010-9-9 17145 Plumas About 20 feet north of the culvert, bottom of Onion Valley Creek, on the east side of Quincy La Porte Road, Onion Valley, about 9 1/2 miles (air) northeast of La Porte. 1899 Comment
  CHSC53653  Carex athrostachya L. P. Janeway 1984-7-13 902 Plumas Near Grizzly Creek campground, SW of Bucks Lake. 1584 Comment
  CHSC63482  Carex athrostachya Lowell Ahart 1994-7-22 7500 Plumas Log landing, along the north side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. 1981 Comment
  JEPS113801  Carex athrostachya Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14032 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  JEPS63502  Carex athrostachya W. L. Jepson 1939-8-16 19438 Plumas Portola Comment
  RSA189376  Carex athrostachya L. S. Rose 1967-7-9 67143 Plumas Quincy. 1037 Comment
  SEINET4289848 Image available Carex athrostachya L. Ahart, Dittes, J; Guardino, J 2009-1 15879 Plumas 300 yards southwest of the Boat Ramp, about 300 yards north of Lake Almanor Dam. Comment
  SEINET4292090 Image available Carex athrostachya L. Ahart, Guardino, J 2005-1 12254 Plumas Yellow Pine Forest. in a small dry meadow and near a small drainage, between Lights Creek and Fant Creek,west of Forest Road 27N09, about 6 miles (air) northwest of the Boulderreek Work Center at Antelope Lake. Comment
  SEINET8989735 Image available Carex athrostachya L. Janeway, Castro, B 2003-1 7980 Plumas High Cascade Range. Near un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. Red Cinder 7.5' quad. Comment
  SEINET11634876  Carex athrostachya Unknown 1985-1 5099 Plumas ca 4.25 mi NE of La Port, Little Grass Valley Lake, where South Fork of the Feather River flows in 1585 Comment
  CAS-BOT-BC19524  Carex bolanderi John Thomas Howell 1962-6-17 37649 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  CHSC63189  Carex bolanderi Lowell Ahart 1994-6-17 7358 Plumas Near the edges of a small meadow, on the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  JEPS115936  Carex bolanderi Lowell Ahart, John Dittes 2009-7-13 16031 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC19530  Carex bolanderi W. I. Follett 1946-5-27 s.n. Plumas Rich Gulch. Comment
  CAS-BOT-BC19633  Carex brainerdii John Thomas Howell 1951-6-28 27726 Plumas Eureka Lake. 1889 Comment
  CHSC53569  Carex brainerdii L. P. Janeway 1987-5-28 2103 Plumas Along Hwy 36 0.2 mi E of turn to N Shore Lake Almanor and Almanor Peninsula. 1493 Comment
  CHSC53574  Carex brainerdii L. P. Janeway; Gary Benson, Randy Harrison 1984-8-28 1098 B Plumas On flats SW of Lake Almanor. 1417 Comment
  CHSC87858  Carex brainerdii Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11005 Plumas On the east side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  UC1778636  Carex brainerdii G. Douglas Barbe, T. C. Fuller 1982-6-15 3694 Plumas On east-facing slope, 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  SD130960  Carex brainerdii John Thomas Howell, Gordon H. True 1967-5-7 42186 Plumas Sierra Nevada; Injin Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  CHSC72319  Carex cusickii L. P. Janeway 1998-9-10 6274 Plumas Along the northwest shore of Snake Lake; about 5 mi northwest of Quincy. 1205 Comment
  RSA726358  Carex douglasii L. Ahart, John Dittes 2007-6-16 14134 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  UC1755301  Carex echinata subsp. echinata Dean W. Taylor 2006-6-29 19555 Plumas Keddie Ridge; meadow just E of Second Water Trough (ca. 1 mile W of Hauns Meadow along County Road 201) 1432 Comment
  CAS-BOT-BC20115  Carex feta Walter Knight; Irja Knight 1966-6-18 1349 Plumas Sierra Nevada. Butterfly Valley. Pond Reservoir. 1097 Comment
  CHSC102038  Carex feta Lowell Ahart; John Dittes 2009-7-27 16186 Plumas On dry soil, about 20 yards north of the poor dirt road, on the north side of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  UC1133354  Carex filifolia var. erostrata E. Sawyer 1935-6-21 130 Plumas 1 3/4 mi ne Crow; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC20693  Carex fracta John Thomas Howell 1960-7-19 35676 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CHSC94145  Carex fracta Lowell Ahart 2006-7-3 12902 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, about 1/4 mile north of Lumpkin Ridge Road, near the southwest edge of a dry open basalt flat with scattered trees. 1527 Comment
  JEPS105623  Carex fracta L. P. Janeway 2003-7-19 7909 Plumas High Cascade Range. At the end-of-the-road trailhead parking for trail to Little Willow Lake; 200 m southeast of Little Willow Lake 1853 Comment
  SEINET10650688  Carex fracta Lewis S. Rose 1939-6-7 Rose 39254 Plumas 3 mi. n. of Pulga, N. fork of Feather River. 518 Comment
  UC1042350  Carex gigas John Thomas Howell 1951-6-26 27535 Plumas Feather River Canyon Sierra Nevada 853 Comment
  JEPS120104  Carex hassei Lowell Ahart 2012-7-1 18263 Plumas About 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. Comment
  JEPS49036  Carex heteroneura Leland S. Smith 1927-8-10 2194 Plumas w end of Gold Lake Tahoe National Forest, Gold Lake 2133 Comment
  CDA14593  Carex heteroneura var. heteroneura G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3077 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC77167  Carex heteroneura var. heteroneura G. Douglas Barbe; T. C. Fuller 1982-6-16 3790 Plumas Plumas National Forest. Meadow below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  JEPS95636  Carex heteroneura var. heteroneura Lowell Ahart 1994-7-22 7500 Plumas on S side of the Pacific Crest Trail, about 1/2 mi E of Mount Etna 1981 Comment
  CHSC67400  Carex hoodii James D. Jokerst 1985-6-10 2410 Plumas Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
Read comments
Jun 25 2008
  JEPS117655  Carex hoodii Lowell Ahart 2010-7-27 16925 Plumas On the south side of the paved road, about 1/2 mile north of Goat Mountain, about 3 miles (air) northeast of La Porte 1680 Comment
  CAS-BOT-BC7850  Carex infirminervia John Thomas Howell 1960-7-20 35759 Plumas Boiling Springs Lake. 1798 Comment
  CHSC100312  Carex infirminervia Lowell Ahart 2008-7-16 15082 Plumas Forest floor, in a small seep, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CHSC116202  Carex jonesii Lowell Ahart 2015-7-4 20277 Plumas About 150 yards south of the paved road to Tamarack Flat, about 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam. 1712 Comment
  CHSC47345  Carex jonesii L. P. Janeway 1989-6-16 3339 Plumas Plumas National Forest. West end of Grizzly Valley. Small creek on N side of mdw; meadowy area along creek crossing rd on N side of valley. 1783 Comment
  JEPS95405  Carex jonesii Lowell Ahart 1994-6-15 7341 Plumas 1 air mile W of Little Grass Valley Reservoir (200 yds E of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat) 1767 Comment
  CAS-BOT-BC31158  Carex lemmonii Thomas Griggs 1975-6-1 318 Plumas Bucks Lake area. 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
  JEPS95361  Carex lemmonii Lowell Ahart 1994-6-17 7348 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  SEINET7564600 Image available Carex lenticularis var. impressa Lowell Ahart 2003-7-18 10433 Plumas On the east side of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1753 Comment
  CDA33103  Carex lenticularis var. lipocarpa L. Ahart 2003-7-18 10431 Plumas A large meadow, about 150 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. Comment
  POM81318  Carex limosa Marcus E. Jones 1897-7-3 s.n. Plumas Prattville 1372 Comment
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Jul 8 2016
  CAS-BOT-BC31639  Carex luzulina var. ablata L. P. Janeway 1990-8-3 3825 Plumas Mt. Ingalls quad. Meadow at head of small drainage (into Little Grizzly Cr), 1981 Comment
  CDA33109  Carex microptera L. P. Janeway 2000-6-24 6837 Plumas Northern High Sierra Nevada; Diamond Mountains; 1.1 km southeast of Crystal Peak; near top of ridge, southwest slope. Comment
  SEINET4292168 Image available Carex microptera Unknown 2000-1 6837 Plumas Northern High Sierra Nevada. Diamond Mountains; 1.1 km southeast of Crystal Peak; near top of ridge, southwest slope. Comment
  CHSC114382  Carex multicaulis G. Douglas Barbe; T. C. Fuller 1982-6-15 3710 Plumas On slope uphill, 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Road 26N22F); 3.3 miles east of Red Hill Summit. 1554 Comment
  CHSC51933  Carex nebrascensis K. R. Stern 1985-6-25 8311 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC88003  Carex nervina Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11171 Plumas Along the edges of a very small stream, in a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  JEPS25927  Carex nudata W. L. Jepson 1918-8-16 8024 Plumas Clover Creek 1584 Comment
  SEINET8987520 Image available Carex pachycarpa Unknown 2013-1 26288 Plumas Near trailhead to Frazier Falls, FS Road 501, 4.2 road miles S of junction with Route 24, 2.0 air km WNW of Mills Peak; northern High Sierra Nevada (nSNH). Comment
  SEINET8989729 Image available Carex pachystachya L. Ahart, Guardino, J 2005-1 12256 Plumas Between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. Yellow Pine Forest. Comment
  JEPS96134  Carex pellita Vernon H. Oswald and Lowell Ahart 1996-7-15 8045 Plumas e side of marsh ca. 1.4 mi s Last Chance Campground (n side of lake, at streams and marshy meadow extending e from road 29N11); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  SEINET7570923 Image available Carex pellita Lowell Ahart, Josephine Guardino 2005-8-9 12283 Plumas On the bottom of Fant Creek, about 100 yards southeast of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  UC1133422  Carex praegracilis E. Sawyer 1935-6-7 82 Plumas 3 3/4 mi ssw Sugarloaf; Sierraville Quadrangle Comment
  RSA122801  Carex praegracilis E. Sawyer 1935-6-7 82 Plumas 3.75 miles SSW of Sugarloaf 1494 Comment
  CAS-BOT-BC117520  Carex sheldonii L. P. Janeway 1991-8-4 4125 Plumas Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi W of road to Bagley Pass, 1691 Comment
  CHSC76252  Carex sheldonii G. L. Ponting 1999-8-28 Plumas About 1.2 mi southwest of Portola. About 100 ft north of County Road A-15. On the drier and higher parts of seasonally wet meadow. 1499 Comment
  JEPS113547  Carex simulata Lowell Ahart, Josephine Guardino 2007-7-21 14364 Plumas Shallow water in a small stream, near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  JEPS86245  Carex simulata W. L. Jepson 1939-8-14 19414 Plumas Willow Creek 1828 Comment
  UCD140823  Carex simulata Dean W. Taylor 1976-7-9 6183 Plumas About 1 mile north of Humboldt summit. 1798 Comment
  CHSC107909  Carex specifica L. P. Janeway 2011-8-23 10668 Plumas Northern High Sierra Nevada. Plumas National Forest; north side of Road 22N50Y 0.7 road km east of Road 22N60; 2.4 air km east-northeast of the northeast corner of Little Grassy Valley Reservoir. Small grassy openings in north-facing slopes. 1719 Comment
  CHSC34540  Carex specifica J. D. Jokerst; R. A. Schlising 1981-8-1 1453 B Plumas Just north of Butte County line, seep at headwaters of Upper Scotts John Cr. S of saddle between Humboldt Peak and Eagle Rock. Comment
  CAS-BOT-BC114993  Carex subfusca John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1968-6-11 2377 Plumas Moist roadside hollow in canyon of Butterfly Creek between Spanish Creek and Butterfly V. Comment
  CHSC61685  Carex subfusca L. P. Janeway; Jim Battagin, Rob Russell 1993-8-4 4490 Plumas Plumas National Forest. Along Dolly Creek at upper portion of the Walker Mine tailings. 1749 Comment
  CHSC92306  Carex subfusca Lowell Ahart; Josephine Guardino 2005-8-9 12290 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  RSA702580  Carex subfusca L. P. Janeway, Robert F. C. Naczi 2004-7-24 8185 Plumas High Cascade Range. Humboldt Road crossing of small tributary of Butt Creek, 2.9 road km. from Humboldt Summit. 1756 Comment
  SJSU7499  Carex subfusca Lewis S. Rose 1968-6-10 68085 Plumas Quincy 1036 Comment
  CAS-BOT-BC115981  Carex subfusca L. P. Janeway; Jim Battagin; Rob Russell 1993-8-4 4490 Plumas Along Dolly creek at upper portion of the Walker Mine tailings. Mt. Ingalls quad. 1749 Comment
  CAS-BOT-BC115992  Carex subfusca Clare B. Hardham 1970-8-8 17701 Plumas Thompson Peak. 2286 Comment
  CAS-BOT-BC115409  Carex utriculata John Thomas Howell 1951-6-27 27605 Plumas McRae Meadow. 1981 Comment
  SEINET7579644 Image available Carex utriculata Unknown 2004-7-24 8188 Plumas Humboldt Peak 7.5' quad, High Cascade Range, along western tributary of Butt Creek, 2.4 air km north of Humboldt Summit. 1740 Comment
  UCD108056  Carex utriculata Tim Kuhn 2005-1 88 Plumas adjacent to Crocker Guard Station. Comment
  CAS-BOT-BC115406  Carex utriculata John Thomas Howell 1960-7-21 3579 D Plumas Wet meadow, Drakesbad. 1828 Comment
  CAS-BOT-BC115411  Carex utriculata G. Schoolcraft 1997-8-5 2635 Plumas Lake E of Hay Meadow./Caribou Wilderness, Susanville. 1908 Comment
  CHSC47147  Carex whitneyi L. P. Janeway 1989-6-12 3299 Plumas Plumas National Forest. Slope on south side of Red Clover Valley. 1737 Comment
  RSA604697  Castanopsis sempervirens Louis C. Wheeler 1952-9-24 6959 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  CAS-BOT-BC249009  Castilleja Clare B. Hardham 1975-8-2 20452 Plumas Black Mt. 2133 Comment
  CAS-BOT-BC249011  Castilleja Mayer; Brink 1975-7-24 s.n. Plumas Bucks Lake area Comment
  RSA101411  Castilleja applegatei subsp. disticha R. Weatherby 1955-7-26 1663 Plumas Upper end of Three Lakes trail, near Spanish Peak. 2073 Comment
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Mar 2 2015
  JEPS102614  Castilleja applegatei subsp. pinetorum Lowell Ahart 2001-7-17 8923 Plumas Outcrops, on the SE side of a logging road, SE of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS123944  Castilleja applegatei subsp. pinetorum Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20415 Plumas Next to Forest Service Road 29N18, 2.68 air miles northeast of Morgan Mt., 3.94 air miles west-southwest of Sifford Mt., 6.85 air miles south-southeast of Lassen Peak. Comment
  JEPS81449  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-7-14 4832 A Plumas ca 3 air mi w Indian Falls on Hwy. 89 (along 26N58, on s side of Bullfrog Ravine); Almanor SE Quad., Bullfrog Ravine 1645 Comment
  CAS-BOT-BC254064  Castilleja miniata Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  JEPS49075  Castilleja miniata Lewis S. Rose 1966-7-28 66073 Plumas Quincy 1066 Comment
  JEPS81477  Castilleja miniata M. S. Taylor 1982-8-5 4937 Plumas just below Mt. Hough summit (in areas around Crystal Lake, ca 7 mi nne of Quincy); Greenville SW Quad., Crystal Lake 2042 Comment
  SEINET14062780  Castilleja miniata A. A. Heller, P. B. Kennedy 1907-7-9 8788 Plumas Prattville. Comment
  UC1063336  Castilleja miniata C. G. Albertus 1935-7-27 234 Plumas 1.5 mi se Cromberg; Plumas National Forest, Downieville Quad. 1310 Comment
  CAS-BOT-BC254057  Castilleja miniata Catherine Best 1983-8-29 877 Plumas Lakes Basin Campground. Plants of the Sierra Nevada, California 1920 Comment
  JEPS8019  Castilleja miniata Rimo Bacigalupi with Lawrence R. Heckard 1951-8-7 3478 Plumas 4.5 mi e of and below Drakesbad Resort (in Warner Creek Canyon); Warner Creek Canyon 1584 Comment
  CHSC62586  Castilleja miniata subsp. miniata B. Castro; L. P. Janeway 1987-7-17 138 Plumas Ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring site. 1584 Comment
  CAS-BOT-BC241037  Castilleja pilosa John Thomas Howell 1951-6-28 27696 Plumas Eureka Peak 1981 Comment
  CAS-BOT-BC241042  Castilleja pilosa John Thomas Howell 1962-6-18 37763 Plumas Sierra Valley near Beckwourth 1487 Comment
  CHSC117029  Castilleja tenuis Lowell Ahart 2016-6-29 21053 Plumas North side of dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Resevoir Dam. 1698 Comment
  CHSC43561  Castilleja tenuis Lowell Ahart 1970-6-25 56 Plumas About 1/2 mile east of the Feather Fork Mine, about 6 miles north of La Porte. 1828 Comment
  JEPS29553  Castilleja tenuis John Thomas Howell 1960-7-18 35517 Plumas Drakesbad; Lassen Volcanic National Park 1676 Comment
  JEPS81473  Castilleja tenuis M. S. Taylor 1982-7-14 4829 Plumas ca 4 mi w Greenville (in Long Valley, near junction of 27N92 and 26N18); Almanor NE Quad., Long Valley 1676 Comment
  SJSU6439  Castilleja tenuis N. A. Hopkins 1971-6-19 406 Plumas 7 mi S of Beckwourth, Sierra Valley 1524 Comment
  CAS-BOT-BC47971  Ceanothus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54296 Plumas Sierra Nevada - East side of Indian Valley just north of Taylorsville 1112 Comment
  CHSC93930  Ceanothus arcuatus C. L. Schmidt 1988-6-25 1218 Plumas Red Hill just below summit, 7.5 miles from US 70 up Rush Creek Road, ca. 9.4 miles SW of Paxton on US 70. 1880 Comment
  UC917294  Ceanothus cordulatus J. M. Tucker 1948-7-24 1729 Plumas ca 1/2 mi ne Camel Peak Comment
  UC170921  Ceanothus fresnensis H. M. Hall 1912-6-28 9280 Plumas Spanish Creek Sierra Nevada Mts. 1158 Comment
  CAS-BOT-BC50732  Ceanothus integerrimus John Thomas Howell 1973-7-9 49718 Plumas Sierra Nevada - Round Valley 1371 Comment
  CAS-BOT-BC50768  Ceanothus integerrimus David D. Keck 1932-7-3 1648 Plumas Northern Sierra Nevada - Quincy - Hillside south of town (forested). 1188 Comment
  SEINET7720974  Ceanothus integerrimus Unknown 1876-1 Plumas American Valley Comment
  UCD112012  Ceanothus integerrimus var. macrothyrsus Lewis S. Rose 1966-7-27 66064 Plumas Butterfly Creek and Spanish Creek, 1 mi. s. of Keddie. 990 Comment
  RSA60128  Ceanothus integerrimus var. puberulus E. K. Balls 1950-9-4 15671 Plumas 2 miles from Feather River Ezperiment Station, Quincy, on roa to Snake Lake. 1159 Comment
  UC79984  Ceanothus lemmonii J. G. Lemmon 1874-1 Plumas 5 mi s Quincy; American Valley Comment
  CAS-BOT-BC52061  Ceanothus prostratus J. M. Tucker 1948-7-25 1747 Plumas ca. 3/4 mile west of mine of United Mining Co., southwest side of Camel's Peak Comment
  CAS-BOT-BC63362  Ceanothus prostratus Elizabeth McClintock 1968-5-18 s.n. Plumas E. of Frenchman Reservoir, n. of Cholcoot. 1706 Comment
  CAS-BOT-BC63371  Ceanothus prostratus Mary Strong Clemens 1920-4-24 s.n. Plumas Greenville. Comment
  CHSC20735  Ceanothus prostratus K. R. Stern 1975-7-23 5903 Plumas NW shore of Lake Almanor. 1371 Comment
  JEPS48725  Ceanothus prostratus John W. Duffield 1937-5-23 Plumas rd to Bear Creek Ranger Station Comment
  RSA609441  Ceanothus prostratus Louis C. Wheeler 1958-7-30 7352 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  CHSC52951  Ceanothus prostratus var. laxus L. P. Janeway 1989-6-20 3351 Plumas East facing slope near top of Crocker Mtn overlooking Red Clover Valley. 2194 Comment
  CAS-BOT-BC52164  Ceanothus pumilus Walter Knight; Irja Knight 1969-6-25 2420 Plumas Summit of Red Hill 1934 Comment
  UC634583  Ceanothus velutinus Herbert L. Mason 1924-6-18 1057 Plumas road between Graeagle and Gold Lake; rd between Graeagle and Gold Lake Comment
  CHSC64832  Ceanothus velutinus var. velutinus Vernon H. Oswald 1995-6-24 6904 Plumas Hwy. 36 at the w end of the causeway over Lake Almanor, just e of Chester. 1371 Comment
  UC1075641  Ceanothus velutinus var. velutinus Robert J. Weatherby 1950-8-11 1515 Plumas Peak of Mountain Elwell Lakes Basin Area, Northern Sierra Nevadas 2377 Comment
  UCD130017  Centaurea cyanus J. Naughton 2002-7-7 105 Plumas Plumas County Fairgrounds, near Lee Road. Comment
  CHSC45652  Centaurea stoebe subsp. micranthos Vernon Oswald 1986-7-22 2221 Plumas Hwy 36 at about the center of the causeway at Lake Almanor e of Chester, 9.6 mi e of the Tehama-Plumas County line. Edge of highway. 1379 Comment
  JEPS118676  Centaurea stoebe subsp. micranthos L. P. Janeway 2011-8-23 10673 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 22N95 at Road 22N05; headwaters of Negro Run Ravine on the upper south slope of Hartman Bar Ridge. Haskins Valley 7.5' quad. Comment
  JEPS113421  Centaurea stoebe subsp. micranthos Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14456 Plumas On the south side of Lake Davis Road, about 1 mile southwest of Lake Davis Dam, about 4 miles (air) north of Portola 1767 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
  CHSC54355  Cerastium arvense L. P. Janeway 1991-5-9 3927 Plumas Inner canyon of North Fork Feather River, along and above Hwy 70; 1.2 mi east of Rodgers Flat and 2.0 mi east of Chambers Creek. 655 Comment
  JEPS51364  Cerastium fontanum subsp. vulgare W. L. Jepson 1939-8-4 19334 Plumas Meadow Valley, Rock Creek 1219 Comment
  CAS-BOT-BC388357  Cerastium glomeratum Alice Eastwood 1927-6-11 14445 Plumas United States Forest Reserve. Crescent Mills Comment
  CAS-BOT-BC276724  Chaenactis douglasii var. douglasii John Thomas Howell 1975-6-16 51149 Plumas 2 miles NW of Spring Garden 1173 Comment
  CDA19233  Chaenactis douglasii var. douglasii G. D. Barbe, T. C. Fuller 1982-6-17 3832 Plumas Plumas National Forest; South shore, Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  UC90127  Chaenactis douglasii var. douglasii F. Stepens 1894-1-1 Plumas Quincy Comment
  CAS-BOT-BC140758  Chamaebatia foliolosa Mary Strong Clemens 1920-4-24 s.n. Plumas Greenville Comment
  CHSC93082  Chamaesaracha nana L. P. Janeway 1994-7-8 4688 Plumas Northern High Sierra Nevada. Hartman Bar Ridge; slope north of Road 22N94 on south side of Franklin Hill. 1706 Comment
  CHSC54398  Chamaesyce maculata Vernon H. Oswald 1991-6-12 4661 Plumas Lassen Volcanic National Park. Terminal Geyser, located between Drakesbad and Willow Lake. 1786 Comment
  RSA59273  Chamaesyce serpillifolia E. K. Balls 1950-8-31 15567 Plumas Behind Forest Service Ranger Station, Quincy, American Valley Comment
  JEPS125726  Chamaesyce serpillifolia subsp. serpillifolia William Harnach 2015-8-6 1438 Plumas 4.85 miles West of Vinton on Highway 70. Comment
  CHSC61658  Chamerion angustifolium subsp. circumvagum Vernon H. Oswald; Lowell Ahart 1993-8-25 5863 Plumas North Arm of Rice Creek SE of Twin Mdws., ca. 0.2 mi upstream from the S boundary of the park at the downstream end of a series of falls and cascades. On a cliff on the E side of the creek. 1987 Comment
  CHSC113977  Cheilanthes gracillima Lowell Ahart 2014-11-16 19906 Plumas About 100 yards west of Little Grass Valley Reservoir, about 60 yards south of the small stream, about 250 yards southwest of the Black Rock, about 4-1/2 miles (air) northwest of La Porte. 1584 Comment
  CHSC21343  Cheilanthes gracillima F. T. Griggs; A. Pass 1975-7-7 89 Plumas Gold and Silver Lakes. Comment
  CHSC92140  Cheilanthes gracillima Lowell Ahart; John Dittes 2005-9-19 12374 Plumas On south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2080 Comment
  JEPS28599  Cheilanthes gracillima George W. Gillett 1957-7-13 764 Plumas slopes below Sifford Lakes (on way to Devils Kitchen); Lassen Volcanic Nat'l Park 2057 Comment
  CDA2989  Chenopodium album var. album J. T. Howell 1959-9-26 35047 Plumas Near Keddie. Comment
  NY990873  Chenopodium desiccatum J. T. Howell 1977-8-11 52708 Plumas North end of Frenchmans Reservoir 1707 Comment
  RSA59920  Chenopodium pumilio E. K. Balls 1950-9-14 15833 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  CAS-BOT-BC451323  Chimaphila John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54225 Plumas Sierra Nevada: about 5 miles SE of Mt. Hough on the road to Quncy 1584 Comment
  CHSC117554  Chimaphila menziesii Lowell Ahart 2016-7-9 21096 Plumas 10 yards north of the dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. 1759 Comment
  RSA101398  Chimaphila menziesii R. Weatherby 1955-7-21 1646 Plumas Bottle Springs, near Middle Fork Feather River. 1616 Comment
  CHSC102078  Chimaphila umbellata Lowell Ahart; John Dittes 2009-7-14 16066 Plumas On dry soil, on the both sides of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  CHSC21115  Chimaphila umbellata F. T. Griggs; A. Pass 1975-7-1 24 Plumas Bucks Lake. East of Grizzly Creek. Comment
  RSA0091374  Chimaphila umbellata Bonnie C. Templeton 1968-1 11291 Plumas [No location data on label. Possibly Trinity County.] Comment
  JEPS48669  Chrysolepis sempervirens Esther C. Fritz 1933-7-4 Plumas Spanish Peak 2133 Comment
  RSA0091947  Chrysolepis sempervirens Bonnie C. Templeton 1968-1 11307 Plumas [No location data on label. Possibly Trinity County.] Comment
  SEINET7450651 Image available Chrysopsis villosa var. minor M. J. Williams 1974-7-23 74 -P-1 Plumas Near Chilcoot 1524 Comment
  RSA60129  Chrysothamnus parryi subsp. nevadensis E. K. Balls 1950-9-4 15672 Plumas Feather River Experiment Station, 4 miles north of Quincy 1220 Comment
  CAS-BOT-BC308934  Chrysothamnus viscidiflorus Greg Sommers 1976-8-4 216 Plumas Sierra Valley Marsh - Sierra Nevada 1524 Comment
  SEINET7450910 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus J. T. Howell 1959-9-24 34968 Plumas Sierra Valley near Beckworth. 1478 Comment
  SEINET10873894  Cicuta douglasii Mary Susan Taylor 1982-6-28 Taylor 4776 Plumas T23N R14 E nw/se sec 27. Portola quad. In Sagebrush Scrub along s side of Feather River, ca. 1 mi sw of Beckwourth on Ramelli Ranch, ca. 1/4 mi w of Calpine Rd (109). 4880 ft. 1487 Comment
  UCD127356  Cicuta douglasii Elaine Ahrenholz 1962-6-2 54 Plumas 1 mile above Oakland Camp, Spanish Creek. Comment
  CHSC84333  Cinna latifolia Lowell Ahart 2003-8-5 10471 Plumas Along the edges of Hopkins Creek, about 1/8 mile south of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain. 1524 Comment
  JEPS122317  Cinna latifolia Lowell Ahart 2014-8-31 19808 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  SEINET10938130  Cirsium Mary Susan Taylor 1982-8-9 Taylor 4957 Plumas T27N R8E nw/nw sec 28. Almanor NE quad. N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 4500 ft. 1372 Comment
  SEINET10904931  Cirsium andersonii Mary Susan Taylor 1981-7-21 Taylor 4095 Plumas T25N R11E sw/ne sec 31, Spring Garden quad. In Red Fir Forest disturbed areas, ca. 1/8 mi E of 25N18, ca. 1 mi SE of Taylor Rock, ca. 7 air mi N of Spring Garden. 6600 ft. 2011 Comment
  CAS-BOT-BC284415  Cirsium arvense David D. Keck 1932-7-3 1655 Plumas Meadow south of Spanish Creek, Quincy, Northern Sierra Nevada 1066 Comment
  CDA17241  Cirsium cymosum G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16344 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC278100  Cirsium douglasii var. breweri John Thomas Howell 1960-7-18 35611 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279960  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35980 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS95122  Cirsium occidentale var. candidissimum Vernon Oswald and Lowell Ahart 1997-9-18 8874 Plumas 4 air mi w of Caribou on Forest Road 26N25 to Mosquito Creek (2.3 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1383 Comment
  HSC5393  Cirsium occidentale var. candidissimum W. R. Rogers 1966-8-15 215 Plumas along Hwy. 70 Comment
  RSA31207  Cirsium occidentale var. candidissimum Joseph A. Ewan 1934-7-18 8547 Plumas Near Dentens, Mojawk Valley Comment
  CAS-BOT-BC286448  Cirsium scariosum Lowell Ahart 1983-8-17 4324 Plumas Near Onion Valley, near the Quincy-La Porte Road, west of Pilot Pk., north-east of La Porte 2000 Comment
  CHSC91704  Cirsium scariosum G. D. Barbe; T. C. Fuller 1982-6-17 3866 Plumas Northern California. Plumas National Forest. 2 mi N of Turkey Pt Fishing Access; at the shore of the north arm of the lake. 1706 Comment
  UC194757  Cirsium scariosum A. A. Heller and P. B. Kennedy 1907-7-15 8855 Plumas near mouth Little Grizzly Creek (below Genesee) Comment
  CAS-BOT-BC285834  Cirsium vulgare L. W. Swift 1934-7-26 121 Plumas Plumas National Forest. Butterfly Valley proection plot #2 Comment
  RSA59113  Cirsium vulgare E. K. Balls 1950-8-30 15517 Plumas Just west of Feather River Experiment Station. 4 miles north of Quincy. 1067 Comment
  CAS-BOT-BC228714  Cistanthe umbellata Anna Head 1920-6-1 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC228915  Cistanthe umbellata Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas About 6 miles west of Johnsville on road from Mohawk Comment
  SBBG18852  Clarkia lassenensis C. B. Hardham 1961-6-15 7421 Plumas E of Taylorsville, rd to Engel Mine Comment
  CAS-BOT-BC163269  Clarkia mildrediae subsp. lutescens L. P. Janeway 1995-7-29 4881 Plumas Along Oroville-Quincy Hwy 0.9 mi west of Grizzly Creek 1621 Comment
  CHSC28923  Clarkia mildrediae subsp. lutescens L. Hanson 1979-7-23 57 Plumas On Little North Fork Rd, along edge. Comment
  CHSC71155  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-13 4694 Plumas Southeast side of Little Bear Gulch; along Road 22N30 0.25 mi west of Sky High Road (Road 22N29). Road cutbank. 1447 Comment
  JEPS109902  Clarkia mildrediae subsp. lutescens Dean W. Taylor 2006-7-12 19563 Plumas Cascade; 1 mile NE thereof (8 air miles NE of Feather Falls, watershed Middle Fork Feather River) 1371 Comment
  JEPS93188  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-13 4693 Plumas between Lookout Rock and Middle Fork Feather R. (along Rd. 23N19 6.1 mi. s.e. of Rd. 23N60); Dogwood Peak Quad. 1621 Comment
  CAS-BOT-BC163859  Clarkia purpurea subsp. quadrivulnera John Thomas Howell; Gordon H. True 1967-7-9 43272 Plumas Meadow at Quincy 1036 Comment
  CDA15372  Clarkia purpurea subsp. quadrivulnera G. F. Hrusa 1997-6-26 13887 Plumas Sierra Nevada; Approx. 1/4 mi. N from USFS 23N22D terminus. Comment
  CAS-BOT-BC163850  Clarkia purpurea subsp. quadrivulnera A. A. Heller 1938-7-2 15234 Plumas Along the highway near the river bridge at Quincy 1097 Comment
  CAS-BOT-BC163856  Clarkia purpurea subsp. quadrivulnera Gordon True; Walter Knight; Irja Knight; John Thomas Howell 1969-6-24 2645 Plumas Near homestead in Valley Proper 1036 Comment
  CHSC70748  Clarkia rhomboidea L. P. Janeway 1993-6-16 4392 Plumas North side of East Branch North Fork Feather River, across from Paxton; along Hwy 70 0.8 mi west of junction with Hwy 89. Cutbank at beginning of dirt road off of the highway. 883 Comment
  CHSC71392  Clarkia stellata Vernon H. Oswald 1998-7-13 9265 Plumas Humbug Rd. 0.1 mi south of the split in Humboldt-Humbug Rd. ca. 0.75 mi south of Hwy. 89 at Lake Almanor. 1414 Comment
  CHSC82996  Clarkia stellata L. P. Janeway; B. Castro 2001-7-1 7246 Plumas Northern High Sierra Nevada. About 2.6 km east-northeast of La Porte; along Road 22N55Y 0.3 km from Road 21N13X (512); overlooking Dark Ravine (and Slate Creek). 1577 Comment
  NY1085603  Clarkia stellata A. A. Heller 1907-7-9 8813 Plumas Prattville Comment
  UC1422889 Image available Clarkia stellata T. Mosquin 1959-7-2 3332 Plumas Humbug Rd 1.2 mi w junction with Humboldt Road (w of Lake Almanor); Humbug Road, W of Lake Almanor, Plumas Co. Comment
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Mar 30 2008
  UC1730246  Clarkia stellata L. P. Janeway 1995-6-25 4816 Plumas 2 mi SW of Prattville, Lake Almanor (0.3-0.5 mi E of the road from Prattville to Butt Reservoir,) 1438 Comment
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1
  CAS-BOT-BC439100  Claytonia cordifolia W. D. Dakan 1977-6-8 s.n. Plumas Plumas National Forest. Gansner Ravine 1158 Comment
  CHSC81401  Claytonia parviflora subsp. parviflora L. P. Janeway 1996-5-20 4974 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwest of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  CAS-BOT-BC439874  Claytonia perfoliata Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1836 Plumas Butterfly Botanical Area and Vicinity. Butterfly Canyon. 990 Comment
  CDA14683  Claytonia rubra G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3139 Plumas 3.25 miles west of Round Valley Reservoir dam, 0.25 mile east of junction with road to Canyon Dam, south arm of Lake Almanor. 1633 Comment
  CAS-BOT-BC443710  Claytonia rubra L. P. Janeway; C. A. Janeway 1987-4-19 2005 Plumas Almanor Peninsula. Above high water line of Lake Almanor. 1371 Comment
  CHSC79570  Collinsia parviflora G. F. Hrusa; E. Sandoval 1993-5-30 11141 Plumas Snake Lake Vicinity. Along lakeshore. [Original lat./long. on label is '39 58 N; 120 59 W']. 1250 Comment
  RSA165578  Collinsia parviflora Clare B. Hardham 1961-6-15 7425 Plumas Engelmine. 1829 Comment
  JEPS115865  Collinsia rattanii Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15859 Plumas Northwest of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  RSA0117232  Collinsia rattanii L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15859 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  SD6970  Collinsia rattanii Mrs. R. M. Austin 1880-1 Plumas Plumas Co. Comment
  CAS-BOT-BC412800  Collinsia rattanii Walter Knight; Irja Knight 1967-5-22 1901 Plumas Butterfly Botanical Area and Vicinity. Rubble gap 1127 Comment
  UCD123684  Collinsia torreyi W. R. Powell 1968-7-2 1590 Plumas along road southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  SEINET10869743  Collomia grandiflora Mary Susan Taylor 1981-7-6 Taylor 3977 Plumas 6200-6400 ft. T25N R15E se/sw sec 32. Dixie Mt quad. In the Y of the 2 Ross Canyon Rds (25N31A & B), ca. 1.5 mi E of Dixie Valley Rd (28N01), ca. 16 air mi NW of Chilcoot. Open, dry gravelly soils; 1890 Comment
  CHSC46646  Collomia tinctoria Lowell Ahart 1989-7-2 6347 Plumas On the north-west side of Pilot Peak, about 10 miles north-east of La Porte. 2194 Comment
  CHSC48864  Comarum palustre Vernon Oswald 1985-7-8 1890 Plumas Warner Valley Rd. 4.5 mi n of its jct. with Wilson Lake Rd. 1560 Comment
  CAS-BOT-BC286170  Conyza canadensis Greg Sommers 1976-8-4 1224 Plumas Sierra Valley, along Dyson (Marble) Lane 1487 Comment
  RSA59472  Conyza canadensis E. K. Balls 1950-9-16 15879 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, Hwy 89 1433 Comment
  CHSC21122  Corallorhiza maculata F. T. Griggs; A. Pass 1975-7-2 25 Plumas East of road. Buck's Lake Forest Service Survey. Comment
  CHSC36204  Corallorhiza maculata M. S. Taylor 1982-7-14 4828 Plumas N side of Bellas Flat Rd (26N19), near Monitor Mine, in Soda Creek drainage, ca. 6 mi nne of Twain. 1524 Comment
  RSA101511  Corallorhiza maculata R. Weatherby 1955-7-4 1594 Plumas Across Rock Creek, 0.5 mile below Deane Valley, near Meadow Valley 1341 Comment
  SD52103  Corallorhiza maculata Frank Stephens 1894-7-1 10017 Plumas Greenville. Comment
  UC1778608  Corallorhiza striata G. Douglas Barbe, T. C. Fuller 1982-7-16 3781 Plumas Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. Near the road west of Cupressus bakeri, Plumas National Forest. 1981 Comment
  UCSB9596  Cordylanthus tenuis Bacigalupi, Rimo; Sweeney, J. 1953-8-31 Plumas Near junction of road to Oakland Municipal Camp and alif. Highway No. 24 miles north of Quincy Comment
  JEPS113517  Cordylanthus tenuis subsp. tenuis Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14468 Plumas About 60 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  JEPS95429  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1994-7-28 7529 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CHSC70279  Cordylanthus tenuis subsp. viscidus B. Castro; R. Zebell 1989-8-7 361 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.3 mi WSW jcn Rds 23N18, 23N15 and 23N69, on the south flank of Red Mtn. 1828 Comment
  RSA123069  Cornus nuttallii Mark Elvin 1933-7-14 52 Plumas Greenville 762 Comment
  UC338280  Cornus nuttallii J. G. Lemmon 1889-5-30 Plumas Thompson's ranch near Quincy Comment
  JEPS48510  Cornus nuttallii E. C. Fritz 1933-6-28 Plumas aboE. C. Fritzut Camp Califorest near Meadow Valley 1188 Comment
  CAS-BOT-BC210301  Cornus sericea Lewis S. Rose 1963-6-5 63132 Plumas 2 mi w of Paxton 914 Comment
  CAS-BOT-BC210310  Cornus sericea Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC210316  Cornus sericea John Thomas Howell 1955-7-20 30842 Plumas Mohawk 1371 Comment
  CAS-BOT-BC210319  Cornus sericea John Thomas Howell 1976-7-15 51858 Plumas Snake Lake, about 4 miles north-west of Quincy 1219 Comment
  CHSC21556  Cornus sericea subsp. sericea D. E. Brink Jr.; L. M. Mayer 1975-7-2 Plumas Bucks Lake Floristic Survey. Comment
  JEPS19471 Image available Cornus sericea subsp. sericea W. L. Jepson 1924-7-23 10629 Plumas Rich Pt. Middle Fork of Feather River; Rich Pt., Middle Fork of Feather River 914 Comment
  UC1122812  Cornus sericea subsp. sericea E. Sawyer 1935-6-14 113 Plumas 3 mi. n.-n.e. Kerby; Plumas Nat'l Forest, Sierraville Quad. Comment
  CHSC81365  Cornus sessilis L. P. Janeway 1996-9-4 5082 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  CHSC93040  Cornus sessilis L. P. Janeway 2005-9-4 8537 Plumas Northern High Sierra Nevada. Rock Creek at crossing of Road 24N04 'Rock Creek Crossing.' Along borders of bouldery streambed. 1204 Comment
  UCD117258  Cornus sessilis L. P. Janeway 1996-9-4 5082 Plumas Northern High Sierra Nevada. Soda Creek, between Road 25N22 and the creek, 500 m northwest of Hwy 70 and East Branch North Fork Feather River. 902 Comment
  RSA59421  Cornus stolonifera E. K. Balls 1950-9-7 15702 Plumas Lakes Center Public Campground. 2043 Comment
  NY214535  Corydalis caseana J. M. Coulter 07 1876 s.n. Plumas Big Meadows Comment
  CAS-BOT-BC401865  Corydalis caseana subsp. caseana John Thomas Howell; Gordon H. True; Wayne Dakan 1974-7-30 50634 Plumas Headwaters of Indian Creek s. of Diamond Mt. 2103 Comment
  UCD110092  Corylus cornuta subsp. californica J. M. Tucker 1948-7-25 1734 Plumas Woods in vicinity of Cascade. Comment
  CAS-BOT-BC287205  Cota tinctoria Thomas H. Kearney 1944-8-14 163 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC290330  Crepis John Thomas Howell 1962-6-17 37728 Plumas Portola 1463 Comment
  CAS-BOT-BC290443  Crepis acuminata John Thomas Howell 1975-7-22 51360 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC290455  Crepis acuminata Anna Head 1921-7-9 s.n. Plumas Grassy L. Feather River Region 1920 Comment
  CHSC102071  Crepis acuminata Lowell Ahart; John Dittes 2009-7-15 16098 Plumas On dry rocky soil, east of the power line, on the south side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  UCD169657  Crepis acuminata Lowell Ahart 2009-7-15 16098 Plumas About 2.3 miles (air) southeast of Butt Valley Reservoir Dam, on the south side of Forest Service Road 26N22, east of the power line. 1517 Comment
  CDA17287  Crepis intermedia G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16314 Plumas Sierra Nevada; Willow Creek Rd. 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC291562  Crepis intermedia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1580 Plumas Roadside near mouth of Butterfly Creek, Butterfly Botanical Area and Vicinity 1036 Comment
  CHSC117485  Crepis monticola Lowell Ahart 2016-6-29 21065 Plumas Top and east side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  JEPS32705  Crepis occidentalis Lewis S. Rose 1963-6-4 63128 Plumas 2 mi s Beckwourth; Sierra Valley 1463 Comment
  CHSC58157  Crepis occidentalis subsp. conjuncta Vernon H. Oswald 1992-6-18 4998 Plumas Lassen Volcanic National Park. Warner Valley-Drakesbad Rd. just inside the boundary of the park. Openings bordering the N side of the road. 1615 Comment
  CAS-BOT-BC290783  Crepis occidentalis subsp. occidentalis Lewis S. Rose 1963-6-4 63128 Plumas Sierra Valley, 2 mi. s. of Beckwourth 1463 Comment
  CHSC48142  Crepis pleurocarpa Vernon Oswald 1986-7-10 2191 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  CHSC63114  Crepis pleurocarpa Lowell Ahart 1994-6-29 7411 Plumas North of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  UCD107439  Crepis pleurocarpa Tim Kuhn 2006-7-8 17 Plumas Southwest of Lake Davis. Comment
  CDA1931  Crypsis alopecuroides J. T. Howell 1977-8-11 52716 Plumas East side of Frenchmans Reservoir near Big Cove. Comment
  UCD59815  Crypsis schoenoides John Thomas Howell 1959-9-26 35068 Plumas Feather River Canyon. Ca. 1.5 miles west of Belden. 682 Comment
  CAS-BOT-BC177810  Cryptantha John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54247 Plumas 3 miles southeast of Mt. Hough on road to Quincy 1737 Comment
  CHSC99808  Cryptantha affinis Lowell Ahart 2008-7-9 15053 Plumas Basalt area, bare area near mined basalt, about 20 yards north of the dirt road, about 1/4 mile east of the Feather Fork Mine, road is east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte. 1686 Comment
  CHSC79699  Cryptantha ambigua G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13245 Plumas Northern California; Sierra Nevada Flora - Plumas National Forest. Near summit of ridge at headwaters of Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 58 W']. 2100 Comment
  UC1618398  Cryptantha echinella Barbara Ertter 1988-7-25 7854 Plumas Diamond Mts. ca. 15 airmiles due s. Susanville (sheep camp on Pierce Creek, roadside w. of meadow); Diamond Mts., Pierce Creek 1981 Comment
  UC1586411  Cryptantha milobakeri Vernon H. Oswald and Lowell Ahart 1991-6-18 4681 Plumas ca 4 mi (air) n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  CDA13396  Cryptantha simulans G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13245 Plumas Sierra Nevada; near summit of ridge at headwaters of Bull Run Creek off USFS 23N12E. Comment
  JEPS95556  Cryptantha torreyana Lowell Ahart 1994-7-7 7456 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 1828 Comment
  CDA18483  Cryptantha torreyana G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3234 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  CHSC59163  Cryptogramma cascadensis Vernon H. Oswald; Lowell Ahart 1992-9-15 5210 Plumas Bonte Peak located E of Mt. Harkness and Juniper Lake. Lassen Volcanic National Park. 2164 Comment
  CHSC33924  Cupressus bakeri M. S. Taylor 1981-8-13 4175 Plumas N and NE side of w flank of Wheeler Peak ridge, ca. 5 air mi n of Genesee. 1981 Comment
  NY16614  Cupressus bakeri M. Wickman 1980-5-7 s.n. Plumas Plumas National Forest 2042.2 Comment
  NY16615  Cupressus bakeri M. Wickman 1980-5-7 s.n. Plumas Plumas National Forest 1981.2 Comment
  POM313439  Cupressus bakeri C. R. Quick, F. Wilcox 1962-10-1 62 -1 Plumas 1.5 miles W of Wheeler Peak., an extension of known range 1997 Comment
  SEINET10866996  Cupressus bakeri Mary Susan Taylor 1981-8-3 Taylor 4151 Plumas T27N R11E ne 1/4 nw 1/4 sec 26. Kettle Rock quad. Along drainage east of Mud Lake, ca. 0.6 mi ne of Eisenheimer Peak, ca. 10 mi N of Genesse. Tertiary volcanic granite base. 6700 ft. 2042 Comment
  CHSC61727  Cuscuta californica var. breviflora Vernon H. Oswald; Lowell Ahart 1993-8-25 5874 Plumas Lassen Volcanic National Park. W side of the North Fork of Rice Creek in the S unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. 2057 Comment
  JEPS107606  Cuscuta californica var. californica Lowell Ahart, Josephine Guardino 2005-8-10 12303 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  JEPS104188  Cuscuta occidentalis Lowell Ahart 2003-9-7 10563 Plumas On the e side of the dirt road, ca 50 yd se of the Pacific Crest Trail, on Bunker Hill Ridge, ca 1 mi (air) se of Pilot Peak, ca 9 mi (air) ne of La Porte. 2038 Comment
  SEINET10496631  Cuscuta occidentalis Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4964 Plumas T21N R11E north half of sec 4. Sierra City NW and Mt Fillmore quads. Along Pacific Crest Trail, ca. 1 mi nw of A-Tree, ca. 5 mi sw of Johnsville. Montane Coniferous Forest; 7000 ft. 2133 Comment
  JEPS108785  Cuscuta subinclusa Lowell Ahart 2006-11-21 13342 Plumas On the south side of Bucks Lake Road, south of the spring at Bucks Summit, about 3 miles northeast of Bucks Lake 1516 Comment
  JEPS116103  Cuscuta subinclusa Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16247 Plumas Growing on Ceanothus integerrimus, on the west side of Forest Service Road 26N22, 1.2 miles (air) east of Seneca 1517 Comment
  CHSC100856  Cycladenia humilis B. Castro; L. P. Janeway 2005-9-11 1523 Plumas Ca 5 air mi N of Bucks Lake and 3 mi S of Highway 70 and the Feather River Cyn, ca 0.4 mi W of Three Lakes. On switchback in Pipeline Rd, on S-facing roadcut. Few feet from road edge. 1722 Comment
  RSA104168  Cycladenia humilis Mrs. R. M. Austin 1881-06 s.n. Plumas [Unspecified] Comment
  UC405211  Cycladenia humilis var. humilis J. G. Lemmon July, 1872 Plumas trail between Indian Valley and Mountain Meadow Comment
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Jun 15 2012
  CHSC81167  Cyperus squarrosus Lowell Ahart 2001-8-29 9249 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS114862  Cyperus squarrosus Lowell Ahart 2008-7-9 15067 Plumas S of the road, about 1/2 mi NW of the dam at Little Grass Valley Reservoir, about 4 mi (air) NW of La Porte 1689 Comment
  SEINET13709640  Cyperus squarrosus Lowell William Ahart, Lowell William Ahart 2003-1 10428 Plumas 4.5 Air Mi. NW of La Porte, 1/4 Mi. W of Lumpkin Ridge Road (39 Deg 44'27.7"N, 121 Deg 01'58.5"W) 5610 Ft. 1710 Comment
  JEPS119731  Cypripedium californicum Lowell Ahart 2012-7-1 18254 Plumas About 250 yards northwest of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  RSA508639  Cypripedium californicum Mrs. R. M. Austin 1880-7-21 s.n. Plumas Mount Dyer 1829 Comment
  CHSC70821  Cypripedium fasciculatum B. Castro; R. Zebell, R. Fallscheer 1989-8-15 391 Plumas Ca 5 air mi S of Bucks Lake, ca 0.2 mi W of USFS R ... Field redacted by CHSC, contact the data manager for more information 1645 Comment
  CHSC107920  Cytisus scoparius L. P. Janeway 2011-8-23 10667 Plumas Northern High Sierra Nevada. Plumas National Forest; north side of Road 22N50Y 0.8 road km east of Road 22N60; 2.5 air km east-northeast of the northeast corner of Little Grass Valley Reservoir. In old skid trail below logging landing. 1719 Comment
  CAS-BOT-BC189663  Danthonia californica A. A. Beetle 1941-6-28 2772 Plumas West side of Lake Almanor. 1828 Comment
  UCD60723  Danthonia californica var. americana R. Tofsrud 1948-7-23 Plumas 1.5 mi N of Quincy off Hwy 24-89. Comment
  CDA17278  Danthonia unispicata G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16305 Plumas Sierra Nevada; Willow Creek Rd.m, 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  UC174593  Danthonia unispicata A. A. Heller and P. B. Kennedy 1907-7-3 8705 Plumas hills above Red Clover Valley Comment
  UCD61324  Danthonia unispicata G. L. Stebbins Jr. 1939-7-7 2913 Plumas 1.7 miles east of Meadow Valley on road to Quincy. Comment
  CAS-BOT-BC76209  Darlingtonia californica Gladys L. Smith 1959-6-20 1262 Plumas Butterfly Valley, 5 miles from Quincy. 1082 Comment
  UCD119068  Darlingtonia californica M. S. Taylor 1982-8-23 5034 Plumas Under PGE wire between dirt rd and Feather River, in seep on slope ca. 1/4 mi n of Dutch Creek, ca. 1/2 mi ne of Twain. 853 Comment
  SEINET6647404  Darlingtonia californica D. A. Charlet, T. Charlet 1996-7-11 2293 Plumas Sierra Nevada, Butterfly Valley Botanical Area, Plumas National Forest 1195 Comment
  JEPS127029  Delphinium gracilentum Lowell Ahart 2016-6-2 20913 Plumas Lumpkin Ridge Road, about 3 3/4 miles (air) southwest of Little Grass Valley Reservoir Dam. Comment
  RSA104952  Delphinium gracilentum E. K. Balls, Lee W. Lenz 1955-5-13 20702 Plumas Above Camp Rogers along trail to Bucks Lake 655 Comment
  SEINET8663348  Delphinium nudicaule C. Tanner 1999-5-7 s.n. Plumas Along "Powerline Road," between C. Roy Carmichael School and unincorporated town of Delleker. 1490 Comment
  CAS-BOT-BC116121  Delphinium nuttallianum L. P. Janeway 1992-5-14 4178 Plumas Plumas National Forest Beckwourth Ranger District Dotta Compartment 1716 Comment
  CAS-BOT-BC192438  Deschampsia cespitosa subsp. cespitosa Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC65877  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1995-10-25 4947 Plumas Lakes Basin. Southwest end of Lakes Basin Campground, southeast side of Grass Lake. 1920 Comment
  CHSC80784  Deschampsia cespitosa subsp. cespitosa Clemens 1920-6-8 1571 Plumas Greenville. Comment
  POM296404  Deschampsia danthonioides Lyman Benson 1949-6-21 13740 Plumas Meadow 1 mile west of Lake Almanor Inn; Cascade Mt. Range; Feather River drainage area 1341 Comment
  SD34473  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor; in mountain meadow in open pine forest 1829 Comment
  CAS-BOT-BC201884  Deschampsia elongata John Thomas Howell 1960-7-19 35621 Plumas Drakesbad 1828 Comment
  CHSC100380  Deschampsia elongata Lowell Ahart 2008-9-10 15369 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CAS-BOT-BC40913  Descurainia incana Lowell Ahart 1981-7-21 2951 Plumas Along Dixon Creek, north of Pilot Peak. 1600 Comment
  CAS-BOT-BC43034  Descurainia incisa subsp. incisa John Thomas Howell 1962-6-18 37793 Plumas Sierra Nevada. Sierra Valley near Beckwourth. 1487 Comment
  CHSC37022  Descurainia pinnata M. S. Taylor 1982-5-19 4480 Plumas Ridgetop, ca. 1.5 mi e of Portola, on edge of Ramelli Ranch boundary. 1755 Comment
  CAS-BOT-BC43504  Descurainia sophia John Thomas Howell 1975-7-22 s.n. Plumas Sierra Nevada. Quincy. 1036 Comment
  CHSC55509  Dicentra formosa Ben Cunningham 1991-4-20 Plumas Ca. 2.5 mi s of Tobin and 6 ft w of Highway 70. 41 mi s of Greenville. 609 Comment
  CHSC39306  Dicentra uniflora Lowell Ahart 1983-6-28 4169 Plumas Near the Feather Fork Mine. On the high banks of the South Fork of the Feather River and a little south-west of the Feather Fork mine, on the west side of the river, about 1 1/2 miles north-east of Little Grass Valley Reservoir, about 5 1/2 miles north of La Porte. Section 14. 1750 Comment
  JEPS97363  Dicentra uniflora Vernon H. Oswald and L. Ahart 1994-7-24 7109 Plumas T30N R7E NW1/4 NW1/4 Sec. 27, 6400 ft, High Cascade Range, Red Fir Forest. Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake 1950 Comment
  CAS-BOT-BC402608  Dicentra uniflora W. Harnach; N. Harnach 1990-4-13 256 Plumas Sierra Valley. Barry HIll (McElroy on maps) 1615 Comment
  RSA101444  Dicentra uniflora R. Weatherby 1955-6-21 1535 Plumas Meadow below Spanish Peak lookout 2134 Comment
  JEPS103492  Dichanthelium acuminatum subsp. fasciculatum Lowell Ahart 2002-7-2 9817 Plumas On the bottom of the water holding pond, ca 150 yards N of Forest Road 22N94, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1597 Comment
  JEPS85855  Dichelostemma congestum Barbara Ertter 1989-7-4 8692 Plumas Coyote Flat w of Lake Almanor (4.2 mi w of Hwy. 89 jct. with Hwy. 36); Coyote Flat 1524 Comment
  UC333374  Dichelostemma multiflorum unknown Jun 1889 Plumas Mohawk Valley Comment
  UC354486  Dichelostemma multiflorum David D. Keck 1928-6-15 440 Plumas 1.5 mi w Blairsden (on the Blairsden-Quincy highway) 1371 Comment
  CAS-BOT-BC299761  Dieteria canescens var. canescens M. S. Taylor 1982-8-27 5046 Plumas SW corner of jct. of Hwy. 70 and road to Loyalton, in Vinton 1493 Comment
  CHSC97063  Dieteria canescens var. canescens Lowell Ahart; Josephine Guardino 2007-7-21 14379 Plumas Around pine trees, about 100 yards northeast of the bridge, about 80 yards east of the intersection, on the north side of the Beckwourth Taylorsville Road, about 2 1/2 miles (air) northwest of the most northwest part of Lake Davis. 1793 Comment
  RSA0112642  Dieteria canescens var. canescens Lowell Ahart 2013-9-11 19025 Plumas On both sides of the paved road, on the north side of Antelope Lake, about 1/2 miles west of Antelope Creek, about 16 miles (air) northeast of Taylorsville. 1584 Comment
  CAS-BOT-BC151816  Diplacus mephiticus John Thomas Howell 1951-6-29 27753 Plumas Feather River Canyon 548 Comment
  CAS-BOT-BC151819  Diplacus mephiticus John Thomas Howell; Gordon H. True 1967-7-11 43368 Plumas About 2 miles southeast of Mt. Hough - Sierra Nevada 1828 Comment
  SEINET8205905  Diplacus mephiticus L. P. Janeway 1995-6-25 4817 Plumas Almanor quad; 0.3-0.5 mi east of the road from Prattville to Butt Reservoir, about 2 mi southwest of Prattville and Lake Almanor. 1439 Comment
  CHSC35130  Diplacus pygmaeus M. S. Taylor 1981-6-19 3933 Plumas SW side of Lake Almanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi nw of Prattville, ca. 3/4 mi e of Hwy 89. Comment
  CHSC89535  Diplacus torreyi S. E. Schoenig 1998-7-5 98 -73 Plumas On N side of Hwy 36, 1.0 mi W of junction with Hwy 89. 7 mi W of Chester. 1493 Comment
  CDA34753  Dittrichia graveolens L. Ahart, John Dittes 2010-10-5 17302 Plumas North side of Highway 70, Serpentine Canyon, 2.7 miles (air) east-northeast of Rich Bar, 3.9 miles (air)west of Twain. Comment
  HSC100748  Dittrichia graveolens Lowell Ahart, John Dittes 2010-10-5 17302 Plumas N side of Hwy. 70, Serpentine Canyon, 2.7 (air) mi. ENE of Rich Bar, 3.9 (air) mi. W of Twain. 814 Comment
  CAS-BOT-BC136101  Dodecatheon alpinum M. S. Taylor 1982-7-12 4820 Plumas In wet meadow in McRae Meadows, ca. 6 mi w of Mohawk 1889 Comment
  CHSC55396  Dodecatheon hendersonii Ben Cunningham 1991-4-20 Plumas Ca. 90 ft w of Pecks Valley road and 2 mi ne of Greenville. 1066 Comment
  POM181051  Downingia bacigalupii A. A. Heller, P. B. Kennedy 1907-7-2 8677 Plumas Between Vinton and Beckwith. [Beckwourth] Comment
  RSA252427  Downingia bacigalupii R. F. Thorne, C. W. Tilforth 1969-9-6 39246 Plumas Along Feather River 1 mi. SW of Beckwourth 1357 Comment
  POM284987  Downingia bacigalupii H. P. Bracelin 1932-7-25 695 Plumas 7 miles S of Chester. 1524 Comment
  SD46726  Downingia bacigalupii Robert J. Weatherby 1950-7-28 1488 Plumas North of Taylorsville in India Creek Canyon. 1064 Comment
  CAS-BOT-BC41398  Draba verna Mrs. Joseph Clemens 1920-3-11 s.n. Plumas Crescent Mills. 1066 Comment
  RSA189335  Draperia systyla L. S. Rose 1967-7-9 67141 Plumas Caribou, North Fork, Feather River. 915 Comment
  RSA794787  Draperia systyla L. Ahart, John Dittes 2009-7-15 16100 Plumas Northeast of the power line, on the east side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  UC1191516  Drosera rotundifolia Malcolm A. Nobs and S. Galen Smith 1949-8-19 1446 Plumas Butterfly Valley Comment
  CAS-BOT-BC401585  Drosera rotundifolia John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2389 Plumas In Butterfly Valley Comment
  UC108327  Drosera rotundifolia Mrs. R. M. Austin 1896-1 369 Plumas Willow Lake; swamps Comment
  CAS-BOT-BC159677  Drymocallis glandulosa Lloyd W. Swift 1932-7-17 61 Plumas Oats Meadow, Grass Valley - Plumas National Forest 1524 Comment
  CAS-BOT-BC534969  Drymocallis glandulosa var. reflexa David D. Keck 1932-7-3 1637 Plumas Quincy, northern Sierra Nevada, mountain slope south of town 1065 Comment
  RSA246598  Dulichium arundinaceum Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42313 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  RSA0035342  Dysphania botrys Lowell Ahart 2012-9-5 18447 Plumas Road edge where the County Road crosses the South Fork of the Feather River, about 1 mile (air) southeast of Pilot Peak, abou 8 1/4 miles (air) northwest of La Porte. 1828 Comment
  RSA59254  Echinochloa muricata var. microstachya E. K. Balls 1950-8-31 15550 Plumas Spanish Creek, off Hwy. 24, just north of Quincy. 1067 Comment
  CHSC113877  Elatine Lowell Ahart 2014-8-26 19764 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC81114  Elatine heterandra Lowell Ahart 2001-8-28 9206 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  RSA518793  Elatine triandra Barbara Ertter 1988-10-21 8001 Plumas Lake Almanor, E end of causeway ca 1.5 mi E of Chester on Hwy 36. 1341 Comment
  CAS-BOT-BC113703  Eleocharis acicularis Clare Butterworth Hardham 1970-8-8 17703 G. Plumas Road to Thompson Peak Lookout. 2133 Comment
  JEPS103495  Eleocharis acicularis Lowell Ahart 2002-6-26 9756 Plumas In a meadow, on the SW side of a gravel road, ca 2 miles (air) NW of Little Grass Valley Reservoir dam, ca 5 miles (air) NW of La Porte. 1741 Comment
  CHSC81637  Eleocharis bella Lowell Ahart 2001-10-8 9325 Plumas In shallow water of an unnamed stream, east of Lost Cove, below the high water line of Antelope Lake, northeast side of Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  CAS-BOT-BC113459  Eleocharis bella Clarence Roy Quick 1945-7-25 45 -70 Plumas Bud Creek on rd toward Humbug Valley. Comment
  CAS-BOT-BC113497  Eleocharis bella Alice S. Mulford 1944-8-13 s.n. Plumas L. bank, Middle Fork of Feather River about 100 yds above bridge of Blairsden-Mohawk Rd. 1341 Comment
  RSA52885  Eleocharis bella R. Weatherby 1950-9-1 1528 Plumas Edge of Long Lake, Lakes Basin Area 2134 Comment
  UC1100613  Eleocharis bella S. Galen Smith and Malcolm Nobs 1949-8-18 1357 b Plumas Lake Almanor, S end; ; ; Marsh Plant Survey Comment
  CHSC100845  Eleocharis decumbens B. Castro; L. P. Janeway 2005-9-11 1517 Plumas Ca 5 air mi N of Bucks Lake and 2.5 mi S of Highway 70 and the Feather River Cyn, just N of Three Lakes. Ca 0.8 mi E of the Three Lakes trailhead, along the Pacific Crest Trail. At N edge of wide flat open fen in the middle of the Grassy Lakes. 1895 Comment
  CAS-BOT-BC113384  Eleocharis engelmannii Thomas H. Kearney 1944-8-14 17 Plumas Near Prattville, Lake Almanor Comment
  CHSC100315  Eleocharis engelmannii Lowell Ahart 2008-7-9 15068 Plumas Edges of a small pond, south of the road, about 1/2 mile northwest of the dam at Little Grass Valley Reservoir, about 4 miles (air) northwest of La Porte. 1689 Comment
  CHSC97089  Eleocharis macrostachya Lowell Ahart; Josephine Guardino 2007-7-21 14385 Plumas Bottom of a small stream, about 80 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1799 Comment
  JEPS113650  Eleocharis macrostachya Lowell Ahart, Josephine Guardino 2007-7-21 14385 Plumas Bottom of a small stream, about 80 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1799 Comment
  NY51036  Eleocharis monticola M. E. P. Ames 1876-1 s.n. Plumas Comment
  CAS-BOT-BC113107  Eleocharis obtusa E. K. Balls 1950-8-31 15546 Plumas Spanish Creek, off Hwy 24, just north of Quincy. 1066 Comment
  RSA726385  Eleocharis palustris L. Ahart, Josephine Guardino 2007-7-21 14385 Plumas South of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1800 Comment
  CAS-BOT-BC113157  Eleocharis palustris Claire Etienne 1969-7-26 292 Plumas In pond off Middle Fork of Feather River; Hwy 89, 1280 Comment
  JEPS102741  Eleocharis parishii Lowell Ahart and Vernon H. Oswald 2001-7-11 8890 Plumas Meadow, on the east side of the dirt road, about 1/4 mile NW of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) NW of Greenville. 1447 Comment
  CHSC78471  Eleocharis quinqueflora L. P. Janeway 2000-7-16 6920 Plumas Northern High Sierra Nevada. Meadow at head of East Branch Coldwater Creek. 1768 Comment
  CHSC110759  Eleocharis torticulmis Dean Wm. Taylor 2011-8-1 21135 Plumas The Sierra Nevada. Butterfly Valley (Butterfly Valley Botanical Area, 2 air miles SW of Keddie). 1173 Comment
  SEINET3153457  Eleocharis torticulmis L. P. Janeway, B. Castro 2000-7-3 6876 Plumas Northern High Sierra Nevada; head of small drainage to East Branch North Fork Feather River from the southeast, vicinity of Paxton; about 1.1 km north of Butterfly Valley Botanical Area 1189 Comment
  UC1132968  Elymus elymoides subsp. elymoides E. Sawyer 1935-7-12 285 Plumas 3 1/2 mi e Beckwith Butte; Sierraville Quadrangle Comment
  UC1146625  Elymus glaucus Freed W. Hoffman 1946-6-9 1810 Plumas Lake Almanor Comment
  CHSC61940  Elymus glaucus subsp. glaucus Lowell Ahart 1993-9-24 7265 Plumas On the south side of the Pacific Crest Trail, about 400 yards north-east of the trail head, about 1/10 mile east of the Quincy La Porte Road, about 1 mile west of Pilot Peak. 1920 Comment
  CAS-BOT-BC204408  Elymus trachycaulus subsp. trachycaulus John Thomas Howell; Gordon H. True 1968-6-10 44549 Plumas Quincy 1036 Comment
  CHSC54544  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald 1991-8-8 4814 Plumas Lassen Volcanic National Park. Just north of the south boundary of the park at Willow Lake, along the trail to Camp Kelley and Terminal Geyser, ca. 3 miles (air) southeast of Drakesbad. In a meadow located here. 1670 Comment
  SEINET12755588  Elymus triticoides S. B. Doten 1901-6-16 s.n. Plumas NE of Sierra Valley. Comment
  NY70833  Ephedra viridis E. B. Babcock 1936-6-7 1735 Plumas North of Chilcoot 1767.8 Comment
  CHSC44975  Epilobium K. R. Stern 1985-6-25 8232 Plumas Vicinity of Blairsden. Comment
  CHSC28704  Epilobium brachycarpum R. A. Schlising; C. A. Lawler 1979-8-22 3475 Plumas 7.9 mi W of Portola on Hwy 89, at jct with Delleker Road. At roadside and in ditches. Comment
  CHSC97508  Epilobium brachycarpum Lowell Ahart; John Dittes 2007-6-16 14144 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  JEPS43853  Epilobium brachycarpum W. L. Jepson 1939-8-16 19428 Plumas Portola Comment
  RSA0105468  Epilobium brachycarpum Lowell Ahart 2014-8-26 19784 Plumas On the north side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4, miles (air) north of La Porte. 1533 Comment
  RSA59241  Epilobium brachycarpum E. K. Balls 1950-8-31 15529 Plumas Hwy 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  SEINET10453004  Epilobium brachycarpum Mary Susan Taylor 1981-7-13 Taylor 3994 Plumas 5600 ft. T24N R16E south center sec 33, Frenchman Lake quad; Frenchman Lake Canyon, 0.5 mi S of the dam, ca. 11 mi N of Chilcoot on Hwy 70; Sagebrush Scrub, dry sandy soil in open sun. 1707 Comment
  CAS-BOT-BC171721  Epilobium canum subsp. latifolium E. P. Chace 1934-1-1 6249 Plumas Near Camp Rodgers Comment
  CHSC113892  Epilobium canum subsp. latifolium Lowell Ahart 2014-8-24 19755 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC43547  Epilobium canum subsp. latifolium Lowell Ahart 1974-8-15 610 Plumas In a ravine near the road, about 1/2 mile north of Nelson Creek and near Zumwalt Flat, about 11 miles south-west of Sloat. 1676 Comment
  UCD105461  Epilobium canum subsp. latifolium F. H. Bolster 1912-9-1 9 Plumas Feather River Canyon. 762 Comment
  CHSC110607  Epilobium ciliatum subsp. ciliatum B. Castro 2006-6-8 1551 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1668 Comment
  CHSC21317  Epilobium ciliatum subsp. ciliatum F. T. Griggs; A. Pass 1975-7-29 265 Plumas Buck's Lake. Comment
  JEPS103348  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2002-7-18 9869 Plumas On the S side of a small upper branch of Fall R., ca 100 yds N of Lumpkin Ridge Rd, ca 1 mi (air) SE of Tamarack Flat, ca 1/4 mile SW of Lumpkin Ridge Rd and road to Tamarack Flat, ca 1 1/2 miles (air) NW of Little Grass Valley Reservoir dam 1701 Comment
  RSA716414  Epilobium ciliatum subsp. glandulosum L. Ahart, John Dittes 2005-9-19 12388 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2081 Comment
  JEPS38224  Epilobium densiflorum W. L. Jepson 1939-8-12 19395 Plumas branch of Last Chance Creek Ferris Creek 1767 Comment
  UC965552  Epilobium densiflorum Herbert L. Mason 1952-7-17 14380 Plumas along Western Pacific tracks just s Beckwourth; Sierra Valley 1524 Comment
  RSA515526  Epilobium foliosum J. T. Howell, H. Keith Wagnon 1980-5-28 53698 Plumas Sierra Nevada: Serpentine Canyon about 3 miles east of Rich Bar, East Branch North Fork Feather River. 854 Comment
  POM46380A  Epilobium glaberrimum subsp. glaberrimum Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CHSC21686  Epilobium lactiflorum D. Brink; L. Mayer 1975-7-25 Plumas Buck's Lake. Comment
  UCD107489  Epilobium palustre Tim Kuhn 2006-6-23 35 Plumas near Bagley Pass. Comment
  SEINET12859606  Epilobium pygmaeum M. J. Williams, J. T. Howell, W. Follette 1977-8-11 77- 69 -1 Plumas N. end of Frenchman's Reservoir 1768 Comment
  CAS-BOT-BC56989  Equisetum arvense Lowell Ahart 1968-5-20 s.n. Plumas Sam's Camp, near Webber Lake, Lodgepole Forest 2133 Comment
  RSA0091210  Equisetum arvense Bonnie C. Templeton 1968-1 11283 Plumas [No location data on label. Possibly Trinity County.] Comment
  SEINET10834148  Equisetum laevigatum Mary Susan Taylor 1981-8-31 Taylor 4254 Plumas California: T22N R12E se1/4 of se1/4 sec 25. Sierra City NE quad. Both sides of Hwy 89, ca. 0.5 mi S of Clio. Plumas County. 4400 ft. 1341 Comment
  CAS-BOT-BC174154  Eremogone aculeata John Thomas Howell 1951-6-28 27689 Plumas Eureka Peak 2133 Comment
  UC942949  Eremogone aculeata Lewis S. Rose 1951-6-28 51052 Plumas above Eureka Lake (n of Johnsville) 2133 Comment
  CHSC21211  Eremogone cliftonii F. T. Griggs; A. Pass 1975-7-12 172 Plumas Buck's Lake. Comment
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Jul 8 2014
  SEINET10765289  Eremogone cliftonii John Thomas Howell 1967-6-23 Howell 42741 Plumas Near Rogers Flat bridge, North Fork Feather River. In gravel of disintegrating granite. 610 Comment
  CHSC97259  Eremogone kingii var. glabrescens Lowell Ahart; John Dittes 2007-8-9 14437 Plumas About 20 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  CAS-BOT-BC286650  Ericameria bloomeri M. S. Taylor 1981-8-4 4152 Plumas On top of Wildcat Ridge, ca. 4 air mi nw of Antelope Lake, ca. 13 air mi ne of Taylorsville 2164 Comment
  CAS-BOT-BC286656  Ericameria bloomeri John Thomas Howell 1961-9-25 36962 Plumas Portola 1478 Comment
  RSA739635  Ericameria bloomeri L. P. Janeway, Heather Koeth 2008-10-7 9602 Plumas Northern High Sierra Nevada, Plumas National Forest, N flank of Blue Nose Mtn, 0.8 air km N of its peak. 1818 Comment
  SBBG128754  Ericameria bloomeri L. Ahart 2008-8-14 15199 Plumas 20 yards NW of the metal gate, W side of Forest Rd 22N68, ca. 50 yards W of the S Fork of the Feather River, ca. 0.5 mi NE of Little Grass Valley Reservoir, ca. 5 mi (air) NE of La Porte 1571 Comment
  CAS-BOT-BC292400  Ericameria nauseosa W. Harnach; N. Harnach 1990-10-6 533 Plumas 0.5 mile S of Dyson lane on 6 Mile 1492 Comment
  CAS-BOT-BC294285  Ericameria nauseosa var. speciosa E. K. Balls 1950-9-14 15819 Plumas 6 mi. northwest of Chester, North Fork Feather River 1402 Comment
  CAS-BOT-BC294297  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-25 34999 Plumas 2 miles east of Portola 1484 Comment
  CHSC55184  Ericameria nauseosa var. speciosa L. P. Janeway 1989-9-6 3643 Plumas Plumas National Forest. Along road 24N45Y 1/4 mi east of Crocker Meadow and the Beckwourth-Genesee Road (road 111) 6.3 mi north of Beckwourth. 1752 Comment
  CHSC67338  Ericameria nauseosa var. speciosa J. D. Jokerst 1984-9-22 2151 Plumas Top of ridge between Yellow Creek and the North Fork Feather River adjacent to USFS road 26N26 at the top of the steep drop into Yellow Cr. 1463 Comment
  CAS-BOT-BC293030  Ericameria parryi var. nevadensis John Thomas Howell 1974-9-20 50903 Plumas About 2 miles from Spring Garden on road to Quincy 1158 Comment
  CHSC37682  Ericameria suffruticosa M. S. Taylor 1982-8-18 5012 Plumas Summit of Mt. Ingalls, ca. 9 air mi ne of Sloat. 2551 Comment
  UC579633  Ericameria suffruticosa C. G. Albertus 1935-8-13 264 Plumas Mount Ingalls Plumas National Forest, Downieville Quad., Mount Ingalls 2553 Comment
  CAS-BOT-BC294470  Erigeron bloomeri var. bloomeri Matt Lavin 1983-6-2 s.n. Plumas Sierra Nevada just S of Vinton 1524 Comment
  UCD131756  Erigeron canadensis E. K. Balls 1950-9-16 15879 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, Hwy. 89. 1432 Comment
  CAS-BOT-BC297148  Erigeron concinnus var. concinnus John Thomas Howell 1951-8-19 28176 Plumas Near Paxton, Sierra Nevada 914 Comment
  CHSC53126  Erigeron coulteri L. P. Janeway 1990-7-25 3814 Plumas Plumas National Forest. About 0.2 mi northwest of Emigrant Creek and about 0.3 mi southeast of Little Grizzly Creek. 1828 Comment
  UC134313  Erigeron coulteri Mrs. R. M. Austin 1896-7-1 373 Plumas Warner Valley Lassens Peak, Warner Valley Comment
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May 29 2007
  CAS-BOT-BC296000  Erigeron divergens John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54302 Plumas East side of Indian Valley just north of Taylorsville, Sierra Nevada 1112 Comment
  CDA13404  Erigeron divergens G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13253 Plumas Sierra Nevada; Site on slopes to E of headwaters of Bull Run Creek off USFS 23N12E. Comment
  UC54107  Erigeron divergens H. M. Hall and E. B. Babcock 1903-7-1 Plumas Red Clover Creek 1097 Comment
  CAS-BOT-BC295994  Erigeron divergens Gordon H. True; John Thomas Howell 1967-7-12 43383 Plumas Twain, Sierra Nevada 883 Comment
  CAS-BOT-BC296006  Erigeron divergens L. P. Janeway 1995-8-24 4899 Plumas Near head of a small western tributary to Willow Creek, 0.6 mi. east of Penman Saddle 1935 Comment
  CAS-BOT-BC296009  Erigeron divergens David D. Keck 1932-7-3 1623 Plumas North of Spanish Creek, Quincy, Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC300399  Erigeron eatonii var. plantagineus A. A. Heller; P. B. Kennedy 1907-7-3 8704 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC300408  Erigeron eatonii var. plantagineus L. P. Janeway; Jannice Cutler 1992-5-28 4208 Plumas Plumas National Forest, Beckwourth Ranger District. Along road into southwest side of Dotta Canyon 0.6 mi east of Beckwourth-Genesee Road 1697 Comment
  RSA39539  Erigeron eatonii var. plantagineus P. A. Munz 1947-5-17 11849 Plumas 20 miles north of Chilcoot. 1829 Comment
  UC1538512  Erigeron eatonii var. plantagineus John L. Strother 1987-6-28 1359 Plumas ca 6 mi n Beckwourth (along road to Genes, n of Sierra Valley) 1750 Comment
  CAS-BOT-BC300844  Erigeron glacialis var. glacialis Walter Knight; Irja Knight 1983-9-14 4948 Plumas Along trail to Boiling Springs Lake, Lassen Volcanic National Park 1737 Comment
  CHSC23619  Erigeron inornatus var. inornatus J. Cox 1975-7-24 Plumas E side of Lake Almanor. Comment
  UC336120  Erigeron inornatus var. inornatus unknown 1878-9-1 Plumas near Greenville; Indian Valley Comment
  UCR123519  Erigeron lassenianus var. deficiens George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6860 Plumas Sierra Nevada Mountains, Calif. Hwy 89, 2.3 miles SSE of its junction with Calif. Hwy 36, Lake Almanor Region 1357 Comment
  CHSC102383  Erigeron lassenianus var. lassenianus Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16129 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC20979  Erigeron peregrinus var. callianthemus F. T. Griggs; A. Pass 1975-7-23 231 Plumas Cape Lake. Comment
  CAS-BOT-BC295787  Erigeron petrophilus var. sierrensis L. P. Janeway 1993-7-19 4463 Plumas Plumas National Forest, Quincy Ranger District. Southwest side of the top of Red Hill 1874 Comment
  CHSC63955  Erigeron petrophilus var. sierrensis B. Castro; J. Jurewicz 1991-8-1 475 Plumas Along USFS Rd 22N29 down the narrow SW-trending ridge from Arkansas Ravine, and separating Bear Gulch on the W from Pigtail and Hunter's Ravines on the E. 1463 Comment
  RSA0035345  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 Plumas On the east side of the South Fork of the Feather River, about 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. 1940 Comment
  CHSC118839  Erigeron petrophilus var. sierrensis Noah Siegel 2015-7-29 2015005 Plumas Plumas National Forest. Located on eastern Rush Creek Hill. Forest Service road 27N67 near 26N22L. UTM 659415 E, 4437357 N, NAD83 Zone 10N. 1675 Comment
  CHSC81100  Erigeron pumilus var. intermedius Lowell Ahart 2001-8-29 9234 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC216232  Eriodictyon californicum Mary Strong Clemens 1920-6-23 s.n. Plumas Quincy Comment
  UCD99748  Eriogonum baileyi John Thomas Howell 1959-9-25 35027 Plumas Summit of Beckwourth Pass. 1588 Comment
  RSA107090  Eriogonum baileyi var. baileyi L. S. Rose 1955-7-19 55153 -A Plumas East slope of Beckwourth Pass 1494 Comment
  CAS-BOT-BC244048  Eriogonum baileyi var. praebens John Thomas Howell 1955-7-19 30806 Plumas Vinton, Sierra Nevada 1511 Comment
  JEPS125730  Eriogonum baileyi var. praebens William Harnach 2015-7-26 1434 Plumas Beckwourth Pass. Comment
  CAS-BOT-BC256170  Eriogonum douglasii var. meridionale Clare B. Hardham 1961-6-16 7477 Plumas Diamond Peak, Sierra Nevada Mountains 457 Comment
  CHSC53045  Eriogonum douglasii var. meridionale L. P. Janeway 1989-6-23 3384 Plumas Plumas National Forest. Upper w-facing slope on ridge between Crocker Mdw and Dotta Cr. 1889 Comment
  SDSU6520  Eriogonum elatum D. F. Howe 1978-7-16 5079 Plumas Rte 49 3 miles north of Loyalton. 1463 Comment
  RSA252384  Eriogonum elatum var. elatum Robert F. Thorne, C. W. Tilforth 1969-9-6 39251 Plumas Beckwourth Pass, Plumas-Lassen Co. Line. 1590 Comment
  CHSC25499  Eriogonum lobbii L. Ahart 1977-8-2 Plumas Ca. 1 mi w of Pilot Pk., which is ca. 15 mi ne of La Porte. 2000 Comment
  SEINET11933189  Eriogonum lobbii M. S. Taylor 1982-1 4930 Plumas Greenville SW quad. Mt Hough summit, ca 7 air mi NNe of Quincy 2204 Comment
  SEINET10479869  Eriogonum luteolum var. luteolum Mary Susan Taylor 1981-7-27 Taylor 4128 Plumas T25N R12E Sw 1/4 SW 1/4 Sec. 5. Genesse Valley quad. In dry woods, ca. 10 ft S of Beckwourth-Genesse Rd., ca. 3/4 mi W of Drum Bridge ca. 5 air mi E of Genesse. 3900 ft. 1189 Comment
  CAS-BOT-BC267332  Eriogonum luteolum var. pedunculatum John Thomas Howell 1959-9-21 34808 Plumas Indian Creek Canyon, Sierra Nevada 914 Comment
  CHSC118806  Eriogonum marifolium Amy Rachkowski; Wendy L. Boes 2015-6-25 2015 -001 Plumas Near Moonlight Valley, west of Forest Service road 28N80, north of 27N77 (UTM 686937 E, 4455599 N, NAD 83 Zone 10N; Elevation 1680 m.) 1680 Comment
  CAS-BOT-BC263301  Eriogonum marifolium var. marifolium John Thomas Howell; Gordon H. True 1973-7-31 50074 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CAS-BOT-BC263310  Eriogonum marifolium var. marifolium Robert J. Weatherby 1955-6-22 1539 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC267378  Eriogonum marifolium var. marifolium John Thomas Howell 1960-7-20 35786 Plumas Lassen Volcanic National Park. Between Boiling Springs Lake and Terminal Geyser 1859 Comment
  CHSC21200  Eriogonum marifolium var. marifolium F. T. Griggs; A. Pass 1975-7-17 211 Plumas Buck's Lake Forest Service Survey. Comment
  CDA19227  Eriogonum nudum var. deductum G. D. Barbe, T. C. Fuller 1982-6-17 3798 Plumas Plumas National Forest; Junction Gold Lake Road with Highway 89 between Graegle and Clio. 6 mi N of Sierra Co line. 1371 Comment
  UCSC009457  Eriogonum nudum var. deductum Lowell Ahart 1994-10-19 7566 Plumas Near Boulder Creek, Granite Basin 1615 Comment
  CHSC36210  Eriogonum nudum var. nudum M. S. Taylor 1982-7-7 4783 Plumas N side of 23N26 just e of its jct with 23N35, s side of Big Hill, ca. 3 air mi s of Sloat. 1615 Comment
  CHSC41964  Eriogonum nudum var. nudum Lowell Ahart 1986-7-25 5368 Plumas Along Cleghorn Bar Road, about 1 1/2 miles west of Finger Bar Board, about 4 miles northwest of Pilot Peak. 1828 Comment
  SEINET3160019  Eriogonum nudum var. nudum E. K. Balls 1950-9-14 15823 Plumas 6 mi. n.w. of Chester, North Fork Feather River 1402 Comment
  CAS-BOT-BC261603  Eriogonum nudum var. nudum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54314 Plumas Near Englemine on Diamond Mt. road northeast of Taylorsville 1219 Comment
  UCD100624  Eriogonum nudum var. nudum John Thomas Howell 1973-7-9 49720 Plumas Round Valley. 1371 Comment
  CAS-BOT-BC269727  Eriogonum nudum var. oblongifolium John Thomas Howell 1973-7-9 49721 Plumas Round Valley 1371 Comment
  JEPS56606  Eriogonum nudum var. oblongifolium W. L. Jepson 1910-6-16 4139 Plumas near Keddie 975 Comment
  CAS-BOT-BC269731  Eriogonum nudum var. oblongifolium James L. Reveal 1971-6-23 2469 Plumas Along California Highway 70 and 89, 2.2 miles north of Keede and about 1 mile north of the bridge over Spanish Creek 914 Comment
  CAS-BOT-BC271971  Eriogonum nudum var. pubiflorum H. Albert Barker July 11 121 Plumas Feather River - Blairsden Comment
  CHSC20776  Eriogonum nudum var. pubiflorum K. R. Stern 1975-7-23 5859 Plumas W shore of Lake Almanor. 1371 Comment
  CHSC39086  Eriogonum nudum var. pubiflorum R. A. Schlising 1981-8-2 4177 Plumas Just n of Butte County line, ne of Humboldt Peak; in basin draining into Scotts John Creek. 2011 Comment
  SEINET3405024 Image available Eriogonum spergulinum subsp. reddingianum A. A. Heller, B. B. Kennedy 1907-7-11 8801 Plumas Prattville Comment
  SBBG65539  Eriogonum spergulinum var. reddingianum A. A. Heller, P. B. Kennedy 1907-7-11 Plumas Prattville Comment
  SD46521  Eriogonum spergulinum var. reddingianum Robert J. Weatherby 1950-8-11 1522 Plumas Side of Mt. Elwell, Lakes Basin area 2225 Comment
  UC85205  Eriogonum spergulinum var. reddingianum Mrs. R. M. Austin 1879-1 Plumas Spanish Peak Comment
  SJSU14465  Eriogonum spergulinum var. reddingianum N. A. Hopkins 1990-7-1 1624 Plumas 17.2 mi N of Beckwourth on Beckwourth-Genessee Rd 1584 Comment
  JEPS114530  Eriogonum umbellatum var. modocense Lowell Ahart 2008-8-13 15192 Plumas On and around rocks. about 100 yards north of Kenzie Ravine and the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte 1598 Comment
  CAS-BOT-BC262075  Eriogonum umbellatum var. nevadense Anna Head 1921-7-11 s.n. Plumas Near Grassy Lake, Feather River Region Comment
  CAS-BOT-BC262081  Eriogonum umbellatum var. nevadense Mrs. Jos Clemens 1919-10-29 s.n. Plumas Crystal Lake Comment
  CHSC106215  Eriogonum umbellatum var. nevadense Arthur C. Barrett 2011-7-18 23 Plumas Plumas National Forest. Meadow View Ranger Station. 1874 Comment
  RSA724902  Eriogonum umbellatum var. polyanthum L. P. Janeway 2007-7-13 9174 Plumas French Hill and western end of Red Mountain, near Rd.. 23N69; above the head of Frizier Creek. 1786 Comment
  SBBG64055  Eriogonum umbellatum var. polyanthum A. A. Heller, P. B. Kennedy 1907-7-15 Plumas near mouth of Little Grizzly Crk below Genesee Comment
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Feb 22 2017
  UCD101488  Eriogonum umbellatum var. polyanthum John Thomas Howell 1961-9-23 36863 Plumas Indian Valley. 1082 Comment
  CAS-BOT-BC262263  Eriogonum ursinum John Thomas Howell 1975-7-22 51366 Plumas 2 miles northwest of Spring Garden 1173 Comment
  RSA339150  Eriogonum ursinum Margaret J. Williams 1983-8-12 83- 135 -1 Plumas W. side of the Sierra Nevada, near Jamison Creek, above Johnsville. 1677 Comment
  RSA7875  Eriogonum ursinum H. A. Barker 1927-7-3 769 Plumas Grade between Gold Lake and Blairsden 1677 Comment
  SEINET11933185  Eriogonum ursinum M. S. Taylor 1982-1 4898 Plumas Summit of Little Valcano, ca 5 mi SE of Quincy. T23N R10E SW/NW Sec 14. Onion Valley Quad 1768 Comment
  CHSC34730  Eriogonum ursinum var. ursinum M. S. Taylor; M. Foster 1981-6-15 3895 Plumas S side of Bucks Lake Rd, ca. 50 ft e of its jct with 24N29, ca. 2 mi ne of Meadow Valley. 1158 Comment
  CHSC62127  Eriogonum ursinum var. ursinum L. P. Janeway 1993-7-15 4440 Plumas Plumas National Forest Quincy Ranger District Hallsted Compartment. Steep northwest facing slope overlooking Virgilia (East Branch North Fork Feather River) at the saddle between Bean Creek (tributary of upper Spanish Creek) and Berry Creek (tributary of East Branch North Fork Feather River). 1563 Comment
  CHSC79801  Eriogonum ursinum var. ursinum G. F. Hrusa; T. D. Wilfred 1996-7-23 13399 Plumas Plumas National Forest. On NW side above Little Long Valley Creek. Approx. 1/2 m. N. of Hwy 70 bout 15 m. E of Quincy. 1650 Comment
  JEPS119732  Eriogonum ursinum var. ursinum Lowell Ahart 2012-7-1 18252 Plumas About 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  CAS-BOT-BC264116  Eriogonum vimineum Lewis S. Rose 1934-7-23 34424 Plumas Beckwith 1508 Comment
  CHSC34742  Eriogonum vimineum M. S. Taylor 1981-6-25 3953 Plumas On hill at ne jct of 25N11 and spur rd off 25N71, where Last Chance Creek crosses 25N11, ca. 0.5 mi n of n tip of Frenchman Lake, ca. 13 mi nw of Chilcoot. 1737 Comment
  SEINET3085990 Image available Eriogonum vimineum H. Dearing, M. Dearing 1938-7-2 2268 Plumas Feather River Canyon. 610 Comment
  SEINET5332069  Eriogonum vimineum W. Harnach, N. Harnach 1990-6-16 387 Plumas Sierra Valley, NW of Vinton, Frank Dotta Ranch. 1524 Comment
  CAS-BOT-BC264119  Eriogonum vimineum Lewis S. Rose 1966-7-26 66046 Plumas Injun Jim Camp near Belden 670 Comment
  CAS-BOT-BC264133  Eriogonum vimineum John Thomas Howell 1959-9-21 34793 Plumas 3 miles above (NE?) Rich Bar, Sierra Nevada Comment
  OBI10941  Eriogonum vimineum Lewis S. Rose 1966-7-26 66046 Plumas Injun Jim Camp, near Belden 671 Comment
  RSA65964  Eriogonum vimineum J. Ewan 1934-7-6 8182 Plumas road to Guidici Ranch, Penman Peak. 1524 Comment
  CHSC54499  Eriophorum gracile Vernon H. Oswald; Lowell Ahart 1991-7-30 4794 Plumas Big Springs on the west side of Humbug Valley, ca. 7 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. Within the fenced enclosure at the springs. 1310 Comment
  CHSC78747  Eriophorum gracile L. P. Janeway 2000-7-7 6880 Plumas Northern High Sierra Nevada. Seepy springy mossy drainage bottom at head of an upper northern branch of Spanish Creek, about 1.1 km northeast of Maple Flat. 1609 Comment
  NY168693  Eriophyllum cineraria A. A. Heller 1907-7-15 8849 Plumas Near mouth of Little Grizzly Creek below Genessee Comment
  CHSC62148  Eriophyllum lanatum var. grandiflorum L. P. Janeway 1993-7-22 4472 Plumas Plumas National Forest. Along the Pipeline Road 3.3 mi northwest of Lower Bucks Lake dam. 1584 Comment
  CAS-BOT-BC308268  Eriophyllum lanatum var. integrifolium L. Constance 1933-7-5 116 Plumas 1 mile west of Keddie Comment
  JEPS122166  Eriophyllum lanatum var. integrifolium Lowell Ahart 2014-8-26 19776 Plumas In the center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS93944  Eriophyllum lanatum var. integrifolium Vernon H. Oswald and Lowell Ahart 1998-8-11 9490 Plumas nw of Pilot Peak (on the s side of Onion Valley on the Quincy-La Porte Road (County Road 511)); Onion Valley, Quincy-La Porte Road 1920 Comment
  RSA794834  Erodium cicutarium L. Ahart, Josephine Guardino, John Dittes 2009-6-14 15883 Plumas Below the high water line, about 300 yards SW of the Boat Ramp, about 300 yards N of Lake Almanor Dam. 1375 Comment
  SEINET8565699  Erodium cicutarium W. Harnach, N. Harnach 1990-6-16 391 Plumas Sierra Valley, N of Vinton, Frank Dotta Ranch. 1524 Comment
  CHSC55679  Erysimum capitatum var. capitatum Steven Triano 1988-4-17 50 Plumas Along n side of Hwy. 70, ca 11.3 mi e of its jct. with Hwy. 89. 822 Comment
  CHSC28173  Erythranthe bicolor J. D. Jokerst 1979-6-23 268 Plumas Abundant in first meadow S. of Meadow Valley Cr. and E. of Forest Service rd. to Deanes Valley (S. of road between Bucks Lake and Quincy). Comment
  CHSC20758  Erythranthe breweri K. R. Stern 1975-7-24 5876 Plumas Sw shore of Lake Almanor. 1371 Comment
  CHSC40263  Erythranthe breweri Lowell Ahart 1985-7-11 5136 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CAS-BOT-BC151494  Erythranthe filicifolia W. D. Dakan 1974-4-28 s.n. Plumas North Fork Feather River 1/2 mile below the mouth of Rock Creek, between Storrie and Elephant Butte Tunnels 548 Comment
  CHSC43356  Erythranthe glaucescens Lowell Ahart 1975-7-2 829 Plumas On the west side of Lost Creek, about 6 miles north of the Sly Creek Dam. 914 Comment
  SEINET8255131  Erythranthe moniliformis K. R. Stern 1975-7-24 5875 Plumas sw shore of Lake Almanor. 1372 Comment
  CAS-BOT-BC313721  Erythranthe percaulis John Thomas Howell; H. Keith Wagnon 1980-5-28 53705 Plumas Serpentine Canyon about 3 miles E of Rich Bar, East Branch North Fork Feather RIver 853 Comment
  CAS-BOT-BC505240  Erythronium grandiflorum Mrs. E. C. Sutcliffe 1927-6-1 s. n. Plumas Drakesbad, Lassen Volcanic Park Comment
  CAS-BOT-BC505246  Erythronium grandiflorum Elmer I. Applegate 1929-6-21 5802 Plumas Drakesbad, head of Warner Valley, Mt. Lassen National Park Comment
  UC119847  Erythronium purpurascens Mrs. R. M. Austin Apr. 1878 287 Plumas Big Meadows Comment
  CAS-BOT-BC505249  Erythronium purpurascens M. S. Taylor; G. Rotta 1982-5-18 4469 Plumas Jct. of rds 27N39 & 26N18 ca. 1/4 mile e of Long Valley Mine, ca. 4 air mi w of Greenville. 1645 Comment
  CAS-BOT-BC403358  Eschscholzia californica A. A. Heller; P. B. Kennedy 1907-7-7 8763 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  UC1126407  Eschscholzia californica C. W. Hanks 1934-8-10 36 Plumas Sierra Valley Plumas National Forest, Sierraville Quadrangle (ne edge) Comment
  UC726211  Eschscholzia californica A. A. Heller 1938-7-2 15239 Plumas 3 mi e Quincy 1097 Comment
  CAS-BOT-BC310380  Eucephalus breweri Robert J. Weatherby 1950-8-11 1519 Plumas Mt. Elwell, Lakes Basin Area 2286 Comment
  CAS-BOT-BC310386  Eucephalus breweri M. S. Taylor 1981-7-17 4032 Plumas Bear Lakes trail in Lakes Basin; ca. 1/2 mi s of jct of trail to Gold Lake Lodge, ca. 6 air mi s of Mohawk 1981 Comment
  CHSC52721  Eucephalus breweri L. P. Janeway 1990-7-27 3818 Plumas Plumas National Forest. Betweent the two upper forks of Paradise Cr, ca 1 1/4 mi SW of Little Summit Lake. 2042 Comment
  CHSC40361  Euphorbia crenulata Lowell Ahart 1985-7-1 5097 Plumas Along the edges of the dirt road, about 1 1/2 miles east of Sawmill Flat, 1/2 mile north of Cleghorn Bar Road, about 5 miles north-west of Pilot Pk. 1828 Comment
  CHSC62342  Eurybia integrifolia B. Castro; L. Hanson 1989-8-17 399 Plumas Ca 13 air mi E of Greenville, ca 2.5 mi N of Kettle Rock, in the Mud Lake Research Natural Area within Plumas National Forest. 2042 Comment
  CHSC66746  Eurybia integrifolia Vernon H. Oswald; Lowell Ahart 1996-8-14 8148 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johns-ville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  CAS-BOT-BC278464  Festuca idahoensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54210 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  CAS-BOT-BC278845  Festuca occidentalis John Thomas Howell; Gordon H. True 1969-6-23 45810 Plumas 2.6 mi. n. of Middle Fork of Feather River at Nelson Point 1310 Comment
  CAS-BOT-BC278853  Festuca occidentalis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54132 Plumas At Round Valley Reservoir dam 1371 Comment
  JEPS115933  Festuca occidentalis Lowell Ahart, John Dittes 2009-7-14 16063 Plumas On dry soil, on the east side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam 1677 Comment
  CDA14656  Festuca rubra G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3086 Plumas east of Lariat Lodge, Highway 70/89, East Quincy. 1036 Comment
  CAS-BOT-BC278633  Festuca subulata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1492 Plumas Butterfly Botanical Area and Vicinity. Fern Glen along road 1097 Comment
  CHSC84337  Festuca subulata Lowell Ahart 2003-8-13 10506 Plumas On the east side of Hopkins Creek, about 1/8 mile south of where Hopkins Creek forks, southwest of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain, about 10 1/2 miles (air) northeast of La Porte. 1524 Comment
  UCR160369  Floerkea proserpinacoides G. L. Webster 1992-5-17 7767 Plumas 2 mi SW of Grizzly Valley Dam 1738 Comment
  SEINET6697483  Fragaria vesca subsp. bracteata A. A. Heller, B. B. Kennedy 1907-7-11 8811 Plumas Prattville Comment
  CAS-BOT-BC459443  Fragaria virginiana subsp. platypetala John Thomas Howell 1960-7-19 35640 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  UCD112555  Frangula californica Robbins; Raynor 1943-6-1 s.n. Plumas near Belden, Feather River Canyon. Comment
  CAS-BOT-BC55681  Frangula purshiana L. P. Janeway; Garrett Gibson 1992-6-16 4239 Plumas Portola quad. About 1 mi northwest of Beckwourth Peak and 2 mi southeast of Portola Comment
  CAS-BOT-BC55687  Frangula purshiana John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2185 Plumas Mouth of Butterfly Creek 883 Comment
  CHSC60138  Frangula purshiana L. P. Janeway; Garrett Gibson 1992-6-16 4239 Plumas Plumas National Forest. About 1 mi northwest of Beckwourth Peak and 2 mi southeast of Portola. North-facing slope in area of aspens over mountain chaparral understory. 1752 Comment
  HSC99902  Frangula purshiana subsp. annonifolia J. P. Smith, & J. O. Sawyer 2004-9-13 12056 Plumas Plumas National Forest. 1220 Comment
  POM181054  Frasera albicaulis var. nitida A. A. Heller, P. B. Kennedy 1907-7-12 8820 Plumas Grade between Greenville and Prattville. Comment
  POM220721  Fritillaria M. Canby 1929-5-12 165 Plumas 5 miles southwest of Blairsden Comment
  CHSC43797  Fritillaria atropurpurea Vernon Oswald 1984-6-25 1326 Plumas La Porte-Quincy Rd., ca. 10.3 mi n-e of La Porte. 1889 Comment
  HSC15549  Fritillaria atropurpurea Jim Vaughn 1956-8-5 Plumas Upper Hot Springs Creek, Devils Kitchen area, Mt. Lassen National Park 1829 Comment
  SEINET10469560  Fritillaria atropurpurea Mary Susan Taylor 1982-1 Plumas Comment
  UC144675  Fritillaria pudica Mrs. R. M. Austin 1878-1 304 Plumas Indian Valley Comment
  UCD121721  Galium aparine Malcolm A. Nobs; S. Galen Smith 1949-8-19 1425 Plumas Bog at Taylorsville, south end of Indian Valley. Comment
  POM147082  Galium bifolium Alice Eastwood 1927-06 14635 Plumas Long Valley. United States Forest Reserve. Comment
  SEINET11615953  Galium bolanderi A. A. Heller, P. B. Kennedy 1907-7-16 8872 Plumas Grade between Genessee valley and Summit Comment
  CHSC62496  Galium grayanum var. grayanum L. P. Janeway 1993-8-5 4504 Plumas Plumas National Forest, La Porte Ranger District. Along Quincy-La Porte Road (Rd 511) 0.4 mi southwest of Onion Valley Creek crossing; ca 1.3 mi northwest of Pilot Peak. 1895 Comment
  CHSC80874  Galium grayanum var. grayanum Lowell Ahart 2001-7-17 8928 Plumas Outcrops, on the south side of a logging road, south of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS102372  Galium grayanum var. grayanum Lowell Ahart 2001-7-17 8928 Plumas 2 1/2 air miles N of Humboldt Summit (S side of a logging road, S of a small branch of Butt Creek) 1828 Comment
  POM59617  Galium mexicanum subsp. asperulum Daniel Cleveland 1882-7-26 s.n. Plumas Hamilton Bridge. Big Meadows. Comment
  CHSC21289  Galium trifidum F. T. Griggs; A. Pass 1975-8-5 306 Plumas Buck's Lake Forest Service Survey. Comment
  SEINET10968825  Galium trifidum var. subbiflorum Lowell Ahart 1985-7-3 Ahart 5104 Plumas About 4 1/4 miles north-east of La Porte. Comment
  CHSC113638  Galium triflorum Lowell Ahart 2014-8-31 19819 Plumas In an unnamed drainage, on the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  UC1523193  Galium triflorum M. S. Taylor 1981-7-29 4150 Plumas 0.2 mi n North Branch of Ward Creek (along creek crossing 25N42-Flournoy Grade, ca 5 air mi se of Genesee); Genesee Valley quad. 1828 Comment
  RSA252381  Garrya fremontii Robert F. Thorne, P. C. Everett 1969-9-6 39220 Plumas Ca. 2.5 miles S of Graeagle on Gold Lake Road. 1646 Comment
  SEINET5765226  Garrya fremontii M. Canby 1929-5-12 2538 Plumas 5 miles SW of Blairsden. Comment
  CHSC117626  Gayophytum diffusum subsp. diffusum Lowell Ahart 2016-8-30 21326 Plumas On the west side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CHSC97067  Gayophytum diffusum subsp. parviflorum Lowell Ahart; Josephine Guardino 2007-7-20 14354 Plumas Dry ridge, on the southwest side of Lake Davis Road, Charles Valley, about 1 1/4 miles northwest of Portola. 1518 Comment
  SDSU8778  Gayophytum diffusum subsp. parviflorum R. M. Beauchamp 1965-7-17 Plumas Growing in area beside Feather River 1/2 mile north of Chester, Calif. Comment
  RSA60220  Gayophytum diffusum subsp. parviflorum E. K. Balls 1950-9-6 15694 Plumas 3.1 miles E of turn to Sloat, Hwy 24, between Quincy and Portola. 1250 Comment
  PASA1905  Gayophytum eriospermum Margaret Stason 1932-6-22 Plumas Camp ground, Lake Almanor Comment
  JEPS122240  Gayophytum heterozygum Lowell Ahart 2014-9-9 19848 Plumas High water line, on the west side of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  RSA0118719  Gayophytum heterozygum Lowell A. Ahart 2014-8-26 19797 Plumas South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific crest Trail, about 0.25 mi southwest of the bridge across the South Fork of the Feather River, about 4 (air) mi north of La Porte. 1534 Comment
  UC625476  Gayophytum heterozygum Frank W. Gould 1938-6-27 451 Plumas 5 mi n Blairsden 1371 Comment
  CHSC40267  Gayophytum humile Lowell Ahart 1985-7-11 5142 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  SEINET13709405  Gayophytum racemosum Lowell William Ahart, Lowell William Ahart 2001-1 9291 Plumas Cow Creek, Lake Davis (T24N, R13E, sec 29, SE 1/4) 5780 Ft. 1762 Comment
  SEINET10454850  Gentianopsis simplex Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4974 Plumas T22N R11E nw/se sec 26. Sierra City NW quad. Plumas-Eureka State Park, on Beaver trail at s end of Jamison Creek Campground, ca. 2 mi sw of Johnsville. 5620 ft. 1713 Comment
  CHSC43417  Geum macrophyllum Lowell Ahart 1976-7-7 1159 Plumas SW end of Logue Meadows. 1524 Comment
  CAS-BOT-BC143553  Geum triflorum L. P. Janeway; Garrett Gibson 1991-6-24 4061 Plumas North end of McReynolds Valley, ca 0.8 mi south of the 01 road in Squaw Valley 1691 Comment
  CHSC94200  Gilia capitata subsp. mediomontana Lowell Ahart 2006-7-9 12936 Plumas Near a small seep, about 20 yards south of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1661 Comment
  UC338795  Gilia capitata subsp. mediomontana Lemmon 259 Plumas American Valley Comment
  SEINET3163619  Gilia leptalea E. K. Balls 1950-9-5 15673 Plumas 0.5 mi. off Hwy 24, on La Porte Rd., e. of Quincy, Thompson Valley 1097 Comment
  UCR88008  Gilia leptalea subsp. leptalea J. T. Howell 1973-7-10 49729 Plumas Near Greenville 1768 Comment
  CAS-BOT-BC283871  Glyceria borealis Mary S. Clemens 1920-6-25 17 Plumas Taylorville Comment
  CDA28232  Glyceria elata H. S. Yates 1913-7-4 Plumas 0 Comment
  CHSC55664  Gnaphalium palustre K. R. Stern 1985-6-25 8202 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC91643  Gnaphalium palustre G. D. Barbe; T. C. Fuller 1982-6-17 3844 Plumas Northern California. Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is '39 55 N; 120 11 W']. 1706 Comment
  UCR57500  Gnaphalium palustre R. D. Goeden 1989-8-22 890822- 6 Plumas Plumas Nat'l Forest, Doyle Grade Rd., Meadow View Ranger Station. 1850 Comment
  JEPS64579  Goodyera oblongifolia Helen-Mar Wheeler 1944-8-20 621 Plumas between meddlw and south branch of Feather River, Hartman Bar Trail Feather River; , Hartman Bar Trail 1524 Comment
  RSA40421  Goodyera oblongifolia Philip A. Munz 1948-8-12 12340 Plumas Forest Lodge, Greenville 1128 Comment
  CHSC74126  Gratiola ebracteata Mary Ann Griggs 1997-7-7 Plumas On W edge of Illinois Ridge, ca 1.5 air mi SSE of LaPorte, ca 0.5 mi down the 'A' spur of USFS Rd 21N18, at 'Secret Diggings' site on maps. 1493 Comment
  UC1585987  Gratiola neglecta Barbara Ertter 1988-10-21 7999 Plumas e end of causeway ca 1.5 mi e of Chester on Hwy 36 Lake Almanor (mud flats s of road) 1341 Comment
  CAS-BOT-BC189592  Hackelia John Thomas Howell; Gordon H. True 1967-7-11 43356 Plumas SE slope of Mount Hough 2042 Comment
  CHSC72302  Hackelia amethystina L. P. Janeway; Glenn Clifton 1998-7-8 5723 Plumas Snoring Spring; about 1/5 mi northwest of Red Rock; along Road 213, 0.8 mi south of the ridgetop. Meadow. 2002 Comment
  JEPS55563  Hackelia californica W. L. Jepson 1927-6-21 12281 Plumas near Rice Creek (Feather River meadows); Feather River Comment
  SEINET3153249  Hackelia californica L. S. Rose 1939-6-8 39271 Plumas South end of Lake Almanor 1372 Comment
  JEPS67927  Hackelia micrantha R. H. Platt 1891-1 Plumas Big Meadows Prattville; The Sierras Comment
  RSA235881  Hackelia micrantha J. L. Gentry Jr., David Vierig 1968-6-21 2081 Plumas Mt. Hough, 10.5 miles northeast of Quincy on Mt. Hough-Crystal Lake Road. 2027 Comment
  UC1075689  Hackelia micrantha Robert J. Weatherby 1955-7-2 1576 Plumas creek below Bear Ridge (near Taylor Lake) 2072 Comment
  CHSC88007  Hackelia nervosa Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11158 Plumas Small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  CAS-BOT-BC508334  Hastingsia alba John Thomas Howell 1976-7-15 51873 Plumas Snake Lake, about 4 miles northwest of Quincy, Sierra Nevada 1219 Comment
  RSA794793  Helenium bigelovii L. Ahart, John Dittes 2009-7-13 16061 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  UCD130280  Helenium bigelovii Albert Grigarick 2011-8-15 293 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. .25 miles W from Graeagle Trailhead to Hawley Falls. 1884 Comment
  CAS-BOT-BC314789  Helianthella californica var. nevadensis Anna Head 1921-7-30 s.n. Plumas Lake Center Camp, Feather River Region Comment
  UCD107441  Helianthella californica var. nevadensis Tim Kuhn 2006-7-9 18 Plumas Southwest of Lake Davis. Comment
  CAS-BOT-BC314786  Helianthella californica var. nevadensis L. W. Swift 1934-7-5 92 Plumas Onion Valley, Plumas Forest 1828 Comment
  SD6703  Heliotropium curassavicum var. oculatum Mrs. R. M. Austin Aug 1894 Plumas Banks of Pitt River above Alturas Comment
Read comments
May 14 2014
  UC480996  Hemizonella minima H. M. Hall 1912-6-29 9290 Plumas Spanish Peak 2133 Comment
  CHSC112612  Herniaria hirsuta var. hirsuta Lowell Ahart 2013-9-11 19032 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CHSC57286  Hesperochiron californicus L. P. Janeway 1991-5-14 3963 Plumas Plumas National Forest. 1 1/4 mi west of Delleker and Humbug Creek; 1/2 mi northwest of Hwy 70; ca 3 mi west of Portola. 1484 Comment
  SEINET5499792  Hesperochiron californicus A. A. Heller, P. B. Kennedy 1907-7-5 8748 Plumas Red Clover Valley Comment
  SBBG32353  Hesperolinon micranthum L. S. Rose 1967-7-11 Plumas Mt Hough Rd, 2 mi NE of Quincy Junction 1219 Comment
  CAS-BOT-BC311017  Heterotheca oregona John Thomas Howell 1959-9-26 35077 A Plumas Feather River Canyon (north fork) 1 mile above 2000 ft. marker Comment
  JEPS2473  Heterotheca oregona var. compacta W. L. Jepson 1918-8-16 8021 Plumas Genesee Valley Comment
  CHSC34906  Heterotheca villosa var. minor M. S. Taylor 1981-7-13 4005 Plumas Ramelli Ranch, e side, s of Feather River, ca. 2 mi ese of Beckwourth. 1463 Comment
  CHSC92965  Heterotheca villosa var. minor L. P. Janeway 2005-7-30 8502 Plumas Northern High Sierra Nevada. Southernmost end of Diamond Mountains about 4.5 km north of Beckwourth Pass; along Road 23N67 1.9 km from Road 24N88. 1725 Comment
  CAS-BOT-BC424165  Heuchera micrantha var. erubescens John Thomas Howell; Gordon H. True 1967-5-9 42206 Plumas Lewisia Rock, 3.5 miles SW of Belden, Feather River Canyon 609 Comment
  UC137006  Heuchera micrantha var. erubescens Mrs. R. M. Austin 1882-8-20 Plumas North Fork Feather River (below meadows) Comment
  CAS-BOT-BC425156  Heuchera rubescens M. S. Taylor 1982-8-5 4933 Plumas Mt Hough summit on cliff above Crystal Lake, ca. 7 mi nne of Quincy. 2203 Comment
  CAS-BOT-BC425224  Heuchera rubescens Anna Head 1920-8-10 s.n. Plumas Lake Center Camp 1920 Comment
  JEPS94969  Hieracium horridum Lowell Ahart 1997-8-28 7873 Plumas about 1 mi e of the Bunker Hill Mine (on s side of the dirt road, just w of Hopkins Creek) 1706 Comment
  SD149107  Holodiscus discolor Lowell Ahart 1986-7-8 5357 Plumas Open bare serpentine area, ca. 1 mi. NW of Pilot Peak, ca 14 mi. NE of La Porte. 1951 Comment
  CAS-BOT-BC150016  Holodiscus discolor var. discolor John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2179 Plumas Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC150019  Holodiscus discolor var. discolor Lowell Ahart 1986-7-8 5357 Plumas Ca. 1 mi. NW of Pilot Peak, ca. 14 mi. NE of La Porte 1950 Comment
  CHSC80869  Holodiscus microphyllus var. glabrescens Lowell Ahart 2001-7-17 8919 Plumas Meadows, on the east side of a poor logging road, east of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CAS-BOT-BC152720  Holodiscus microphyllus var. microphyllus Robert J. Weatherby 1950-8-11 1516 Plumas Mt. Elwell, Lakes Basin Area 2377 Comment
  SEINET10610426  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1995-9-13 Ahart 7622 Plumas T22N, R10E, south-east 1/4 Section 5. On dry gravelly soil, on the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Common. Mountain meadow in Red Fir Forest. 1829 Comment
  RSA726376  Hordeum jubatum L. Ahart, Josephine Guardino 2007-7-20 14326 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  CHSC55643  Hordeum marinum subsp. gussoneanum K. R. Stern 1985-6-25 8293 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC289438  Hordeum murinum subsp. leporinum John Thomas Howell 1961-6-21 36620 Plumas Greenville, Sierra Nevada 1097 Comment
  UCD128409  Horkelia fusca Albert Grigarick 2012-7-8 327 Plumas Gray Eagle Trail. 50 yds NW of Grass Lake. 1925 Comment
  CAS-BOT-BC143350  Horkelia fusca Clare B. Hardham 1978-8-11 21795 Plumas SE. of Thompson Peak Comment
  CDA12147  Horkelia fusca subsp. parviflora G. F. Hrusa, J. Dinsdale 1989-6-27 7220 Plumas Sierra Nevada; North shore of Bucks Lake. Comment
  CHSC53593  Horkelia fusca subsp. parviflora L. P. Janeway 1989-7-20 3504 Plumas Plumas National Forest. Forest along southerly side of Red Clover Valley at jct of rd 26N70 (to Laufman) and Beckwourth-Genesee Rd (rd 111) 9.5 mi from Beckwourth. Along sides of creek. 1676 Comment
  POM295333  Horkelia fusca subsp. tenella Lyman D. Benson 1949-6-21 13743 Plumas Meadow 1 mile W of Lake Almanor Inn. Feather River 1341 Comment
  JEPS113759  Horkelia fusca var. parviflora Lowell Ahart, Josephine Guardino 2007-7-20 14343 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  SEINET11910372  Horkelia tridentata I. Knight, Knight, W. 1983-1 4906 Plumas In Yellow Pine Forest plant community, 4 mi N of Chester on rd to Drakesbad Comment
  OBI76973  Horkelia tridentata subsp. flavescens Anthony Baniaga 2011-7-26 467 Plumas Lassen Natl Forest. Hairpin turn of F.S. 10, 1/2 mi NW of rock Spring. Red Cinder quad T29N R7E sec 2 NW of SW 1817 Comment
  SEINET6768111  Horkelia tridentata subsp. flavescens Vetter 1955-5-14 s.n. Plumas Sierra Nevada; 15 miles W of Quincy, off Feather River Highway. 1219 Comment
  CAS-BOT-BC538234  Horkelia tridentata var. flavescens A. A. Heller; P. B. Kennedy 1907-7-11 8799 Plumas Prattville Comment
  CAS-BOT-BC201085  Hosackia crassifolia Alice Eastwood 1927-6-17 14658 Plumas Long Valley, United States Forest Reserve Comment
  UCD106127  Hosackia oblongifolia A. A. Heller; P. B. Kennedy 1907-7-15 8854 Plumas Near mouth of Little Grizzly creek below Genessee. Comment
  UCD106148  Hosackia oblongifolia Tofsrud 1948-7-1 s.n. Plumas Between Quincy and R.R. Junction. Comment
  SD52134  Hosackia pinnata Frank Stephens 1894-6-26 2199 Plumas Quincy 975 Comment
  CHSC70261  Hosackia stipularis var. ottleyi B. Castro 1989-8-7 356 Plumas Ca 2.5 air mi S of Bucks Lake, W of USFS Rd 23N18, ca 0.3 mi SW jcn Rds 23N18, 23N15 and 23N69, on the south plank of Red Mtn. 1767 Comment
  JEPS3228  Hydrophyllum occidentale John Warren Duffield 1937-5-29 Plumas n of Meadow Valley (along road into U.C. Forestry Summer School) Comment
  JEPS3229  Hydrophyllum occidentale John Warren Duffield 1937-5-24 Plumas near Quincy Q Comment
  RSA92196  Hymenoxys lemmonii F. W. Peirson 1932-7-20 10356 Plumas North of Layalton, probably in Plumas Co. (in Sierra Valley) Comment
  CAS-BOT-BC400941  Hypericum anagalloides Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  JEPS66824  Hypericum formosum var. scouleri H. L. Mason 1924-6-26 Plumas Blairsden Comment
  SD230244  Hypericum perforatum Louis C. Wheeler 1959-7-16 7582 Plumas Quincy Comment
  UC1123698  Ipomopsis aggregata G. T. Nordstrom 1934-8-8 251 Plumas n Sierra Valley Foothills Sierra quad 1554 Comment
  JEPS48501  Ipomopsis aggregata subsp. bridgesii Esther C. Fritz 1933-7-15 Plumas along rd, summit, and lower slopes Spanish Peak 2133 Comment
  POM181060  Ipomopsis aggregata subsp. formosissima A. A. Heller, P. B. Kennedy 1907-7-13 8831 Plumas between Taylorville and Little Grizzly creek Comment
  RSA59327  Ipomopsis aggregata subsp. formosissima E. K. Balls 1950-9-9 15773 Plumas 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet 2073 Comment
  CHSC33614  Ipomopsis congesta M. S. Taylor 1981-6-17 3919 Plumas Top of Mt Ingalls, ca. 7 air mi se of Genesee. 2551 Comment
  UC879925  Ipomopsis congesta Anna Head 1921-7-20 Plumas above Round Lake (top of ridge); Feather River Region Comment
  RSA136507  Iris hartwegii subsp. pinetorum Lee W. Lenz, E. K. Balls 1956-6-19 21842 Plumas Forest Lodge, southwest of Greenville 1128 Comment
  SEINET10839646  Iris hartwegii subsp. pinetorum Mary Susan Taylor 1982-6-1 Taylor 4584 Plumas T26N R9E center sec 15. Greenville SW quad. N side of 20r, opposite Round Valley Reservoir, ca. 2 air mi w of Crescent Mills. 4600 ft. 1402 Comment
  CAS-BOT-BC123366  Iris pinetorum Alice Eastwood 1927-6-11 14454 Plumas Forest Lodge near Greenville Comment
  CHSC93186  Iris tenuissima subsp. purdyiformis L. P. Janeway 1994-5-24 4652 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca. 1371 Comment
  CDA25955  Ivesia aperta T. C. Fuller 1980-8-5 20293 Plumas South of the railroad, west of Highway A23 to Calpine, 1.3 km southwest of Beckwourth. 0 Comment
  JEPS100321  Ivesia aperta var. aperta Dean W. Taylor 2001-7-12 17827 Plumas summit of Doyle Grade, drainage of Little Last Change Creek, 1 mile W of Meadow View Campground, at the junction of the Doyle Grade Road with the Frenchman Lake Road, growing in an area kept open by frequent vehicle traffic 1798 Comment
  UC1610051  Ivesia aperta var. aperta Diane Mastalir 1993-7-14 Plumas Meadowview Y (jct of FS Road 25N11 and Plumas County Road 101), 50 m NW of Plumas Forest, Milford Ranger District 1828 Comment
  UCD113581  Ivesia baileyi var. baileyi Dean Wm. Taylor; Glenn Clifton 1990-6-25 11172 Plumas Little Last Change Creek, downstream ca. 0.6 mile from Frenchman Flat Reservoir. Comment
  CHSC105643  Ivesia sericoleuca Lowell Ahart; John Dittes 2010-10-5 17297 Plumas On the south side of Meadow Ridge Lane, Humbug Valley, 830 feet south of Highway 70, 2.1 miles (air) west of Portola (High School). 1473 Comment
  SEINET3440051 Image available Juncoides campestre Marcus E. Jones 1897-7-3 Plumas Pratville 1372 Comment
  JEPS115336  Juncus articulatus Lowell Ahart, John Dittes 2009-9-7 16399 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CHSC108030  Juncus articulatus subsp. articulatus L. P. Janeway 2011-9-22 10738 Plumas Northern High Sierra Nevada. Plumas National Forest; a series of shallow ponds in Secret Diggings, 2.3 km south of La Porte. Common where bank is steeper, just above the water line. 1468 Comment
  CHSC100345  Juncus balticus subsp. ater Lowell Ahart 2008-8-13 15156 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  SJSU13952  Juncus balticus subsp. ater N. A. Hopkins 1985-7-26 1298 Plumas Marble Hot Springs Rd neare Marble Hot Springs, Sierra Valley 1524 Comment
  SJSU14301  Juncus bryoides N. A. Hopkins 1989-5-24 1499 .5 Plumas by Loyalton-Beckwourth Rd near Marble Hot Springs Rd 1524 Comment
  CHSC95013  Juncus bufonius var. bufonius Lowell Ahart 2006-10-23 13489 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  UCD141415  Juncus bufonius var. occidentalis John Thomas Howell 1960-7-21 35810 Plumas Lassen Volcanic National Park. Near Terminal Geyser. 1828 Comment
  CDA34127  Juncus confusus L. Ahart, J Guardino 2005-8-9 12265 Plumas Between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. Comment
  CHSC100028  Juncus effusus subsp. pacificus Lowell Ahart 2008-8-13 15159 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  JEPS122285  Juncus ensifolius Lowell Ahart 2014-8-24 19734 Plumas About one mile north of the bridge across the South Fork of the Feather River and the northeast part of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. Comment
  POM111085  Juncus ensifolius Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  SEINET3150870  Juncus ensifolius E. K. Balls 1950-9-5 15680 Plumas Thompson Creek, main trail off La Porte road, turn off Hwy 24, E of Quincy 1524 Comment
  CHSC113141  Juncus exiguus Lowell Ahart 2013-8-23 19018 Plumas Bottom of a hydraulic pit, east of Bird Creek, about 1/2 mile (air) west of Monitor Flat, about 3 miles (air) northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1652 Comment
  JEPS113902  Juncus exiguus L. P. Janeway and B. Castro 2007-8-18 9201 Plumas Northern High Sierra Nevada; Along Squirrel Creek and Road 401 1.9 km NE of Hwy 70/89 and Williams Loop 1268 Comment
  CDA32027  Juncus howellii L. Ahart, J. Dittes, J. Guardino 2009-8-28 16355 Plumas On the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam Comment
  JEPS114820  Juncus howellii Lowell Ahart 2008-8-14 15216 Plumas Scattered in the meadow, south of the road to Tamarack Flat, about 3/4 mile west of Lumpkin Ridge Road, about 5 miles (air) northwest of La Porte 1725 Comment
  JEPS107985  Juncus laccatus Lowell Ahart, John Dittes 2005-9-20 12451 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2004 Comment
  JEPS115976  Juncus laccatus Lowell Ahart, John Dittes 2009-7-13 16035 Plumas On dry to damp soil, edge of a seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC110764  Juncus mertensianus L. P. Janeway; Jim Battagin; Rob Russell 1993-8-4 4492 Plumas Plumas National Forest. Beckwourth Ranger District. Lovejoy Compartment. Along Dolly Creek at upper portion of the Walker Mine tailings. 1749 Comment
  CDA15904  Juncus nevadensis B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; Upper Bull Run Creek off USFS 23N12E. Comment
  CHSC84176  Juncus nevadensis Lowell Ahart 2003-7-18 10421 Plumas On the sides of a drainage in a meadow, on the north side of the road, about 1/4 mile west of Lumpkin Ridge Road, about 1 1/2 miles southeast of Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1709 Comment
  JEPS102712  Juncus nevadensis Lowell Ahart 2001-7-17 8900 Plumas Small meadow, on the south side of a poor logging road, part of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS115920  Juncus nevadensis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16208 Plumas On dry rocky soil, drainage from a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse 1677 Comment
  CHSC100437  Juncus nevadensis var. nevadensis Lowell Ahart 2008-9-10 15366 Plumas On small gravel bar on the east side of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CHSC102704  Juncus occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16157 Plumas In the center of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC54539  Juncus occidentalis Vernon H. Oswald 1991-8-8 4818 Plumas Lassen Volcanic Park. Trail to Terminal Geyser just north of the south boundary of the park at Willow Lake, ca. 3 miles (air) southeast of Drakesbad. Along the trail. 1658 Comment
  RSA715688  Juncus occidentalis L. Ahart, Josephine Guardino 2005-8-10 12309 Plumas Northeast of a small branch of Lights Creek, east side of forest road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1822 Comment
  CHSC33921  Juncus orthophyllus J. D. Jokerst; R. A. Schlising 1981-8-2 1454 Plumas Ca. 1/4 mi N of Butte Co. line, 1.0 mi E of Humboldt Peak, along drainage which becomes Scotts John Cr. 1981 Comment
  JEPS114809  Juncus orthophyllus Lowell Ahart 2008-8-13 15162 Plumas East of La Porte Road, on the east bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  JEPS118396  Juncus parryi Lowell Ahart 2011-9-20 17690 Plumas Moist open area around a primitive campsite, on the south side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  CHSC100341  Juncus tenuis Lowell Ahart 2008-8-13 15163 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC113895  Juncus tenuis Lowell Ahart 2014-8-26 19789 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  JEPS116055  Juncus tenuis Lowell Ahart, John Dittes 2009-7-28 16200 Plumas On damp bare soil, center of a logging road, near seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  CAS-BOT-BC81075  Juniperus communis Anna Head 1921-7-11 s.n. Plumas top of ridge, east of Lake Center Camp, Feather River Region 2072 Comment
  UC1134330  Juniperus occidentalis C. W. Hanks 1934-8-16 52 Plumas Upper Long Valley Plumas National Forest, Sierraville Quadrangle Comment
  LA41755  Kalmia polifolia C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  RSA293241  Keckiella breviflora subsp. glabrisepala D. C. Michener 1980-8-4 3780 Plumas Northern Sierra Nevada. 4.7 miles north of Butte Co. line on CA 70. 600 Comment
  NY786844  Keckiella breviflora var. glabrisepala L. S. Rose 1968-6-12 68110 Plumas Feather River Canyon, 4 miles west of Belden 609.6 Comment
  CAS-BOT-BC246159  Keckiella lemmonii David D. Keck 1932-7-6 1712 Plumas 3 mi. N of Keddie 1036 Comment
  CHSC102072  Keckiella lemmonii Lowell Ahart; John Dittes 2009-7-15 16099 Plumas On dry rocky soil, northeast of the power line, on the west side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  CHSC59144  Keckiella lemmonii Vernon H. Oswald; Lowell Ahart, Loren Gehrung, Linnea Hanson, Tyleas 1992-8-20 5173 Plumas Forest Rd. 23N10 between the junction of 22N19 and Hopkins Creek, ca. 2.25 mi (air)ESE of Pilot Pk., ca. 9 mi (air) NE of La Porte. 1706 Comment
  NY790350  Keckiella lemmonii P. P. Lowry II 1977-7-5 818 Plumas South of Tobin on State Highway 70 Comment
  SBBG128286  Keckiella lemmonii L. Ahart, J. Dittes 2009-7-15 16099 Plumas NE of the power line, on the W side of Forest Service Rd 26N22, ca. 2.3 mi SE of Butt Valley Reservoir Dam 1517 Comment
  CHSC64133  Kelloggia galioides B. Castro; R. A. Schlising 1987-7-21 174 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N98 and 22N42. 1539 Comment
  CHSC84371  Kelloggia galioides Lowell Ahart 2003-9-7 10560 Plumas On the east side of the dirt road, about 50 yards southeast of the Pacific Crest Trail, on Bunker Hill Ridge, about 1 mile (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte. 2038 Comment
  SEINET10607091  Koeleria macrantha John Thomas Howell 1962-6-18 Howell 37779 Plumas Sierra valley near Beckwourth. 1487 Comment
  CAS-BOT-BC340354  Kyhosia bolanderi Lewis S. Rose 1932-9-6 32629 Plumas Wade Lake 1981 Comment
  CHSC54463  Kyhosia bolanderi Vernon H. Oswald; Lowell Ahart 1991-7-30 4778 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  JEPS115876  Kyhosia bolanderi Lowell Ahart, John Dittes 2009-8-28 16352 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  JEPS40362  Kyhosia bolanderi John Thomas Howell 1926-7-31 Plumas near Prattville 1463 Comment
  CHSC118699  Kyhosia bolanderi Chelsea Morgan 2015-6-28 2015021 Plumas Plumas National Forest. Location near Moonlight Valley, south of Forest Service road 28N30B, northwest of 28N30B1 UTM 688739 E, 4455754 N, NAD83 Zone 10N. 1800 Comment
  CHSC84421  Lactuca serriola Lowell Ahart 2003-9-7 10558 Plumas Near a seep and spring on the north side of the road, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 3 1/2 miles (air) northwest of Tamarack Flat, about 6 miles (air) northwest of Little Grass Valley Reservoir Dam. 1524 Comment
  JEPS95145  Lactuca serriola Lowell Ahart 1996-10-10 7706 Plumas 1 mi w of Blue Nose Mountain (about 2 mi e of Pilot Peak, on w side of dirt road at Turkey Town); Turkey Town 1676 Comment
  RSA59119  Lagophylla ramosissima E. K. Balls 1950-8-31 15523 Plumas Hwy 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  HSC14212  Lamium amplexicaule R. J. Vernimen 1963-5-4 47 Plumas 7 mi. S of Lake Almanor on Hwy. 89 1372 Comment
  CAS-BOT-BC213388  Lathyrus jepsonii subsp. californicus Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2203 Plumas Mouth of Butterfly Creek, Butterlfy Botanical Area and Vicinity 883 Comment
  SEINET10776288  Lathyrus latifolius D. G. Kelch 2006-6-20 Kelch 06 .257 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. 610 Comment
  RSA64945  Lathyrus sulphureus C. L. Hitchcock 1950-5-28 19229 Plumas 5 mi les SW of Greenville on road to Quincy. Comment
  SEINET10872155  Layia glandulosa Mary Susan Taylor 1982-5-19 Taylor 4481 Plumas T23N R14E se/nw sec 32. Portola quad. Sandy open slope on w facing ridge, ca. 1.5 mi e of Portola. 5600 ft. 1706 Comment
  UC571054  Ledum glandulosum H. L. Mason 1924-6-19 1075 Plumas along margins of Bear Lakes Bear Lakes Comment
  RSA52922  Lemna minor R. Weatherby 1950-7-28 1486 Plumas Indian Creek, on road to Taylorsville. 1067 Comment
  SEINET10465998  Lemna minor Mary Susan Taylor 1981-8-5 Taylor 4167 Plumas 1069 Comment
  JEPS106225  Lemna trisulca Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11067 Plumas In a very small stream, in a large meadow, on the south side of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote 1796 Comment
  UC1586441  Lemna trisulca Vernon H. Oswald and Lowell Ahart 1991-7-30 4796 Plumas 6 air mi ene of Humbug Summit (12 air mi s of Chester, Big Springs on w side of Humbug Valley); Humbug Valley, Big Springs 1310 Comment
  UC1028652  Lemna turionifera Robert J. Weatherby 1950-7-21 1474 Plumas e of Quincy 1036 Comment
  CHSC101840  Lepidium campestre Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15908 Plumas About 30 yards west of Lake Almanor Dam. 1421 Comment
  CHSC87624  Lepidium campestre Lowell Ahart; Josephine Guardino 2004-5-24 10949 Plumas Old logging road, about 150 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1208 Comment
  CDA3784  Lepidium campestre T. C. Fuller 1958-7-7 1917 Plumas 1 miles north of Greenville. 0 Comment
  SEINET5341389  Lepidium latifolium W. Harnach, N. Harnach 2000-8-23 993 Plumas Sierra Valley, 1/4 mile west of the intersection of Hwy 49 on Dyson Lane 1494 Comment
  CAS-BOT-BC12829  Lepidium perfoliatum Alice Eastwood 1927-6-19 14713 Plumas United States Forest Reserve. Keddie. Comment
  CAS-BOT-BC60092  Lepidium virginicum var. menziesii John Thomas Howell 1966-7-29 42024 Plumas Sierra Nevada. Quincy. 1036 Comment
  UC1123933  Leptodactylon pungens E. Sawyer 1935-6-18 125 Plumas 5 mi sse Crow; Plumas National Forest, Sierraville Quadrangle 2011 Comment
  CHSC79187  Leptosiphon ciliatus L. P. Janeway 2000-6-24 6833 Plumas Northern High Sierra Nevada. Top of spur ridge 0.3 km southwest of Crystal Peak in the Diamond Mountains. 2304 Comment
  SD149120  Leptosiphon filipes John Thomas Howell 1967-6-23 42720 Plumas Canyon of the East branch of Feather River, 2.0 miles east of Twain. Comment
  CHSC53159  Leptosiphon harknessii L. P. Janeway 1989-6-14 3310 Plumas Plumas National Forest. On southerly side of Red Clover Valley. 1685 Comment
  POM193503  Leptosiphon harknessii J. B. Feudge 1929-7-17 1982 Plumas Near Chester Comment
  CHSC33611  Lesquerella occidentalis subsp. occidentalis M. S. Taylor 1981-6-17 3916 Plumas Top of Mt Ingalls, ca. 7 air mi se of Genesee. Around look out. 2551 Comment
  SEINET10971181  Lessingia nemaclada Mary Susan Taylor 1980-9-27 Taylor 3346 Plumas T23N R7E sw sec 8, Bucks Lake quad. ca. 0.3 mi S of Bucks Lake-Spanish Ranch Rd, ca. 0.4 mi E of Frenchman Hill, ca. 20 mi SW of Quincy; from base to top of a serpentine rock wall 600 ft tall. With W. Dakan & T. Griggs. 1646 Comment
  RSA88431  Leucophysalis nana J. T. Howell 1951-6-27 27615 Plumas Jamison Creek 1829 Comment
  JEPS20054  Leucothoe davisiae O. M. Evans 1854-11-16 Plumas 4 mi s Buck's Ranch (on Willow Creek drainage); Willow Creek drainage 1828 Comment
  CAS-BOT-BC123016  Lewisia cantelovii Mrs. H. C. Cantelow 1941-5-25 s.n. Plumas Feather River Canyon, 3.2 mi W of Belden. State Hwy 24. Comment
  JEPS50776  Lewisia cantelovii Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9286 Plumas granite cliffs just n along Feather River Highway Storrie 716 Comment
  SEINET5336460  Lewisia cantelovii M. J. Williams 1968-5-28 1156 Plumas Rock Creek Dam, Feather R. 352 Comment
  CAS-BOT-BC229483  Lewisia kelloggii Alice Eastwood 1927-6-17 14655 Plumas United States Forest Reserve. Near Long Valley Comment
  CAS-BOT-BC444168  Lewisia nevadensis Rimo Bacigalupi 1927-7-12 1734 Plumas Along Little Grey Eagle Creek near Lakes Center Camp, Gold Lake Region 1889 Comment
  JEPS115861  Lewisia nevadensis Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15894 Plumas About 200 yards northwest of Lake Almanor Dam, in mined over area 1421 Comment
  CAS-BOT-BC444180  Lewisia nevadensis Margaret Williams 1965-6-24 s.n. Plumas In Happy Valley (beyond Long Valley) 1706 Comment
  CHSC63266  Lewisia triphylla Lowell Ahart 1994-6-15 7324 Plumas On the west side of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  UC570148  Lewisia triphylla A. Lewis 1934-6-12 477 Plumas 3 1/2 mi sw Dogwood Peak; Bidwell Bar quadrangle 1493 Comment
  CAS-BOT-BC444563  Lewisia triphylla John Thomas Howell 1960-7-22 35920 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC283806  Leymus cinereus John Thomas Howell 1955-7-19 30795 Plumas Vinton 1505 Comment
  CAS-BOT-BC274531  Leymus triticoides John Thomas Howell 1961-6-21 36625 Plumas Greenville Comment
  CAS-BOT-BC436050  Ligusticum grayi George W. Gillett 1957-7-17 789 Plumas Lassen Volcanic National Park, gully running into the stream running from Little Willow Lake to Willow Lake 1767 Comment
  CAS-BOT-BC508262  Lilium columbianum A. A. Heller; P. B. Kennedy 1907-7-15 8856 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  CAS-BOT-BC509340  Lilium kelleyanum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC509346  Lilium kelleyanum Mrs. A. H. Rodda 1932-7-1 s.n. Plumas Gold Lake Comment
  CAS-BOT-BC509349  Lilium kelleyanum M. S. Taylor 1981-7-17 4048 Plumas Lakes Basin, Long Lake Trail, ca. 1/10 mi w of trailhead, ca. 6 air mi so of Mohawk 1920 Comment
  JEPS62012  Lilium pardalinum E. Fritz and T. H. Harris 1926-7-18 Plumas Meadow Valley Comment
  UCD139749  Lilium pardalinum F. C. Raney 1963-6-17 s.n. Plumas 20 miles north Feather Falls, Fall River tributary of Feather River. Comment
  CHSC75560  Lilium pardalinum subsp. pardalinum G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3122 Plumas 2.65 miles west of Round Valley Reservoir Dam. 1569 Comment
  JEPS114933  Lilium pardalinum subsp. shastense Lowell Ahart 2008-7-16 15086 Plumas On the west side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte 1597 Comment
  CAS-BOT-BC133084  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1927-6-1 s.n. Plumas Forest Lodge near Greenville, United States Forest Reserve Comment
  JEPS102718  Limosella acaulis Lowell Ahart 2001-10-8 9307 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) NE of Quincy. 1522 Comment
  JEPS113422  Limosella acaulis Lowell Ahart, John Dittes 2007-6-17 14178 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  JEPS113425  Limosella aquatica Lowell Ahart, John Dittes 2007-6-17 14177 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  SEINET13765987  Limosella aquatica A. A. Heller, P. B. Kennedy 1907-7-2 8684 Plumas Between Vinton and Beckwith [actually Beckwourth]. Comment
  CDA36810  Linaria dalmatica D. B. Joley 1976-6-9 1 Plumas Hwy 89, ca. 7 miles east of Canyon Dam. 0 Comment
  CHSC112615  Linaria vulgaris Lowell Ahart 2013-9-11 19028 Plumas Gravel bar on the north side of the Feather River, about 20 yards west of Chips Creek, about 50 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CAS-BOT-BC416397  Linnaea borealis subsp. longiflora J. M. Tucker 1948-7-25 1735 Plumas In vicinity of Cascade Comment
  JEPS115088  Linnaea borealis var. longiflora Lowell Ahart, John Dittes 2009-7-14 16076 Plumas Edge of a steep north slope, north of Forest Service Road 26N22, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam 1453 Comment
  CHSC46665  Listera convallarioides Lowell Ahart 1989-7-7 6372 Plumas On the south side of Bunker Hill Creek, east of the forks on Bunker Hill Creek, about 1 mile north-east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1706 Comment
  CHSC58205  Listera convallarioides Vernon H. Oswald; Lowell Ahart 1992-6-22 5031 Plumas Small corner of park property located along Warner Valley Rd. between Lee and Kelly camps. Lassen Volcanic National Park. 1597 Comment
  SEINET10483004  Lithophragma Mary Susan Taylor 1982-5-6 Taylor 4411 Plumas T24N R8E se/sw sec 13. Bucks Lake NE quad. On wet clayey serpentine ridge, ca. 3/4 mi ne of 24N29, ca. l mi e of Meadow Valley. 3800 ft. 146 Comment
  POM147032  Lithophragma bolanderi Alice Eastwood 1927-06 14524 Plumas United States Forest Reserve, Forest Lodge, Greenville. Comment
  CAS-BOT-BC443343  Lithophragma parviflorum Alice Eastwood 1927-6-1 14481 Plumas Forest Lodge, Greenville Comment
  CAS-BOT-BC317310  Lithospermum californicum Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1923 Plumas Between valley proper and Darlingtonia bog. 1066 Comment
  UC573498  Lithospermum ruderale E. Sawyer 1935-6-27 175 Plumas 3.7 mi n Hawks 1676 Comment
  POM147057  Lomatium dissectum var. multifidum Alice Eastwood 1927-6-13 14543 Plumas Forest lodge near Greenville, United States Forest Reserve Comment
  CDA12092  Lomatium nudicaule G. F. Hrusa, G. L. Webster 1989-5-1 7017 Plumas Modoc Plateau; Hwy 70 between Vinton & Beckwourth. Comment
  UC1552756  Lomatium nudicaule Frederica Bowcutt 1985-6-6 546 Plumas about 15 air mi NE of Quincy (0.2 mi SE of Drum Bridge; immed. N of Red Clover Creek and Beckwourth Genesee Rd.) Comment
  CHSC72418  Lomatium plummerae L. P. Janeway 1998-6-22 5651 B Plumas About 1.8 mi south-southeast of Indicator Peak; along Road 28N03 on south side of upper West Branch Bear Valley Creek. 1699 Comment
  RSA0012544  Lomatium utriculatum Joan Stewart 2000-06 1038 Plumas Plumas National Forest Comment
  UC1586463  Lonicera cauriana Vernon H. Oswald and Lowell Ahart 1991-7-30 4786 Plumas 5.2 mi (odometer) ne Humbug Summit (between Humbug Summit and Humbug Valley, Humbug Rd.); Grizzly Creek 1777 Comment
  CHSC65095  Lonicera conjugialis Vernon H. Oswald; Lowell Ahart 1995-7-24 7103 Plumas Caribou Wilderness N of Chester, at the SW end of Indian Mdw. On the trail from Hay Mdw. To Beauty Lake. 1950 Comment
  CDA9312  Lonicera hispidula var. vacillans D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .263 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  CHSC54467  Lonicera involucrata var. involucrata Vernon H. Oswald; Lowell Ahart 1991-7-30 4787 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  JEPS115100  Lotus corniculatus Lowell Ahart, John Dittes 2009-7-14 16077 Plumas Scraped clearing on the east side of Forest Service Road 26N22 and Forest Service Road 26N221, about 2.6 miles (air) southeast of Seneca, about 6 1/2 miles (air) south of Lake Almanor Reservoir Dam 1607 Comment
  CDA15901  Lotus crassifolius B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; upper Bull Run Creek off USFS 23N12E. Comment
  UC1586414  Lotus crassifolius Vernon H. Oswald and Lowell Ahart 1991-6-18 4679 Plumas ca 4 mi air n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  HSC100723  Lotus crassifolius var. crassifolius Lowell Ahart, John Dittes 2009-7-13 16044 Plumas W side of F.S. Rd. 27N98, headwater if Clear Creek, 2 (air) mi. N of Butt Valley Reservoir Dam, 3 (air) mi. SW of Lake Almanor Reservoir Dam. 1477 Comment
  JEPS115081  Lotus crassifolius var. crassifolius Lowell Ahart, John Dittes 2009-7-13 16044 Plumas On dry soil, on the west side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CDA18564  Lotus oblongifolius G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3347 Plumas Sierra Nevada; 0.75 mile northeast of Bucks Summit on Bucks Lake Road. 1600 Comment
  SEINET10452005  Lotus purshianus Mary Susan Taylor 1974-7-3 Taylor 298 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  JEPS114365  Lotus purshianus var. purshianus Lowell Ahart 2008-8-13 15170 Plumas Large pile of dirt on the east side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  UC725324  Lotus purshianus var. purshianus A. A. Heller 1938-7-2 15242 Plumas near Grays Flat (on Highway 24) 868 Comment
  UC80897  Lotus purshianus var. purshianus Mrs. R. M. Austin Jul 1876 376 Plumas American Valley Comment
  RSA517181  Ludwigia palustris var. americana J. T. Howell 1961-9-23 36845 Plumas Indian Valley; Sierra Nevada 1082 Comment
  UC942948  Lupinus albicaulis Lewis S. Rose 1951-6-28 51048 Plumas N of Johnsville ( above Eureka Lake) 2072 Comment
  UC1542848  Lupinus albicaulis P. Kenney, Conrad and LeDoux 1973-6-5 421 Plumas 5 mi n of jct of Hwy 70 and 89 roadside of Hwy 89 1066 Comment
  CHSC88838  Lupinus albifrons L. Hanson 1985-5-24 263 Plumas Plumas National Forest. Near Massack Rest Stop, Hwy. 70. 1066 Comment
  CAS-BOT-BC198414  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1949-6-10 2 Plumas About 5 miles n.w. of Quincy on Hwy. 24 Comment
  CHSC21529  Lupinus andersonii D. Brink; L. Mayer 1975-7-8 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC36201  Lupinus angustiflorus M. S. Taylor 1982-7-12 4810 Plumas Around log deck at headwaters of Chris Creek, ca. 6 mi nw of Mohawk. 2011 Comment
  UC501351  Lupinus arbustus H. E. and S. T. Parks June, 1928 240 Plumas Drakesbad , Drakesbad (Lassen National Park) Comment
  SEINET5767538 Image available Lupinus arbustus subsp. silvicola E. D. Merrill 1929-1 s.n. Plumas Silver Lake 1829 Comment
  POM298445  Lupinus arbustus subsp. silvicola H. C. Cantelow 1941-5-18 s.n. Plumas 1 mile west of Moharok on road to Johnsonville. 1463 Comment
  CAS-BOT-BC196346  Lupinus argenteus var. argenteus L. P. Janeway; Garrett Gibson 1991-6-13 4008 Plumas Between Middle Fork Feather River and Hwy 70, ca 0.3 mi east of Claireville Flat 1484 Comment
  CHSC52429  Lupinus breweri L. P. Janeway 1989-6-16 3337 Plumas Plumas National Forest. West end of Grizzly Valley. 1783 Comment
  CAS-BOT-BC215360  Lupinus dalesiae M. S. Taylor 1982-5-26 4532 Plumas S side of Fells Creek Road (23N22), 1.9 miles W of Lee Summit on Highway 70, ca. 1 air mile S of Spring Garden 1463 Comment
  CAS-BOT-BC215366  Lupinus dalesiae M. S. Taylor 1982-6-16 4685 A Plumas Both sides of 24N13, 0.5 mile N of Spur Road to Little Volcano, ca. 4 air miles SE of Quincy 1676 Comment
  CAS-BOT-BC215369  Lupinus dalesiae M. S. Taylor 1982-6-3 4600 Plumas Road cut on N side of White Cap Road 1.1 and 1.2 miles S of its junction with Peoria Creek Road, ca. 4 miles SW of Sloat 1524 Comment
  CAS-BOT-BC215388  Lupinus dalesiae M. S. Taylor 1982-5-27 4548 Plumas S side of Bucks Lake-Spanish Creek Road, 0.1 mile W of Dean's Valley turnoff, and ca. 1 mile NE of Meadow Valley 1127 Comment
  CAS-BOT-BC215394  Lupinus dalesiae M. S. Taylor 1982-5-27 4555 Plumas On S side of Bucks Lake-Spanish Creek Road, 4.5 miles SW of its junction with Highway 70 in Quincy 1097 Comment
  CAS-BOT-BC215412  Lupinus dalesiae M. S. Taylor 1982-6-1 4575 Plumas On N side of Highway 70, Indian Hill, ca. 1 mile W of Quincy 1097 Comment
  CHSC35908  Lupinus dalesiae M. S. Taylor 1982-6-17 4701 Plumas N side of 23N09.1- Eureka Ridge Rd, 0.2-0.3 mi w of its jct with Popular Creek Rd (23N08), s of Sloat. 1402 Comment
  RSA101414  Lupinus dalesiae R. Weatherby 1955-7-26 1660 Plumas Spanish Peak, near Meadow Valley. 2165 Comment
  RSA104638  Lupinus dalesiae Joseph Clemens 1920-6-3 s.n. Plumas Greenville Comment
  RSA188452  Lupinus dalesiae L. S. Rose 1967-6-12 s.n. Plumas Quincy. 1067 Comment
  UC1502138  Lupinus dalesiae M. S. Taylor 1982-5-25 4521 Plumas ca. 2 mi NE of Sloat ( in Sloat fire area (1981), along N roadcut of 23N12 and upslope ca. 20 ft in McDermott Ravine and ravine just E) Comment
  SEINET10452044  Lupinus dalesiae Mary Susan Taylor 1982-5-25 Taylor 4527 Plumas T23N R11E sw/ne sec 10. Mt Ingalls quad. Rdbk w side of 509A, ca. 50 ft s of its jct with Hwy 70, 1 mi ne of Sloat, 2.6 mi w of Cromberg. 4300 ft. Jeffrey Pine Forest. 1310 Comment
  SEINET10485197  Lupinus dalesiae Mary Susan Taylor 1982-7-17 Taylor 4694 Plumas T23n r11e sw1/4sw1/4 sec 18. Blue nose mt quad. Open bare roadcut, mixed Evergreen forest, s side of 23n44y, 0.8 mi. Se of its jct with peoria creek Rd (23n10), ca 3 air mi. Sw of sloat. With rosa pinetorum and apocynum Pumilum. 1707 Comment
  SEINET10485207  Lupinus dalesiae Taylor 1982-5-27 Taylor 4550 Plumas Bucks lake quad. Corolla yellow. East side of dean 'S valley rd (24n29), .4-.5 mi south of its jct with bucks lake rd, ca. 1 Mi ne Of meadow valley. With smilacina racemosa, collinisia parviflora. 1158 Comment
  SEINET10937073  Lupinus dalesiae L. Hanson 1983-6-7 Hanson 200 07 JUN 1983 Plumas On s side of hwy 70 near gray's flat above rr tracks on cut back nest to old Country rd. In mixed conifer forest. Comment
  SEINET10973214  Lupinus dalesiae Mary Susan Taylor 1982-6-1 Taylor 4575 Plumas T24N R9E se/ne & sw/nw sec 11. Quincy quad. On e side of Hwy 70, ca. l mi n of Quincy. Indian Hill area. 3600 ft. 1097 Comment
  SEINET12163993  Lupinus dalesiae M. S. Taylor 1982-1 4718 Plumas T23N R10E ne/nw sec 13. Blue Nose Mtn quad. S side of 23N10-Peoria Crk Rd, .2miNE of Oliver Crk 1615 Comment
  CHSC92278  Lupinus grayi John Dittes; Josephine Guardino 2005-6-4 1144 Plumas Northern High Sierra Nevada Range; Drainage of East Branch Lights Creek; ca. 12.3 air-miles northeast of Taylorsville, ca. 5.7 air-miles southwest of Diamond Mountain, ca. 4.2 air-miles southeast of Indicator Peak; south-facing slope ca. 850' north of confluence of East Branch Lights Creek and Morton Creek, ca. 1,232' northeast of junction of FS Road 28N03 and County Road 213. 1373 Comment
  JEPS85926  Lupinus grayi L. P. Janeway 1990-6-6 3699 Plumas ca 1/2 mi e Rattlesnake Creek (and ca 1/2 mi n of Hwy 70/89, vicinity of Sloat, forested flat on n side of Long Valley); Plumas National Forest, Mt. Ingalls Quad. 1356 Comment
  RSA414435  Lupinus grayi Christopher Davidson 1975-6-7 2744 Plumas 1 mile on road to Dalton Creek, departing northeast from Highway 70, 0.7 mile east of Highway 70 and 89. 1494 Comment
  SEINET10484000  Lupinus grayi Mary Susan Taylor 1982-5-13 Taylor 4435 Plumas T24N R9E se/ne sec 15. Quincy quad. In Gansner Park, Quincy. 3400 ft. 1036 Comment
  SEINET10490346  Lupinus grayi Mary Susan Taylor 1982-6-14 Taylor 4673 Plumas T25n r9e nw1/4 sec 4. Greenville sw quad. On ridge w of indian falls on hwy 89, In burn area (1980). 1311 Comment
  UCR274638  Lupinus lepidus Daisie Huang 2006-8-11 60811- 07 Plumas Hwy 89, just past the Lake Almanor spillway 1381 Comment
  CHSC60094  Lupinus lepidus var. confertus L. P. Janeway 1990-7-25 3816 Plumas Plumas National Forest. Open grassy meadow flats on NE side of Middle Fork Feather River at Mohawk. 1325 Comment
  SBBG9164  Lupinus lepidus var. confertus H. and M. Dearing 1938-7-2 2267 Plumas Feather River Hwy Comment
  RSA715535  Lupinus onustus John Dittes, Josephine Guardino, Eva M Dittes 2005-6-4 1145 Plumas Northern High Sierra Nevada Range; drainage of East Branch Lights Creek, ca. 12.3 air-miles northeast of Taylorsville, ca. 5.7 air-miles southwest of Diamond Mountain, ca. 4.2 air-miles southeast of Indicator Peak., South-facing slope ca. 850 north of confluence of East Branch Lights Creek and Morton Creek, ca. 1232 northeast of junction of FS road 28N03 and county road 213. 1374 Comment
  CDA27471  Lupinus onustus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3096 Plumas 1.8 miles north of Lawrence Street, Quincy, on Highway 70/89. Comment
  JEPS65426  Lupinus polyphyllus W. L. Jepson 1910-6-16 4149 Plumas Quincy; American Valley, Quincy 1036 Comment
  CHSC112508  Lupinus polyphyllus var. burkei L. P. Janeway 2014-7-15 11539 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  SEINET8059932  Lupinus polyphyllus var. burkei A. A. Heller, P. B. Kennedy 1907-7-15 8858 a Plumas Near mouth of Little Grizzly creek below Genessee Comment
  UC1129676  Lupinus rivularis F. W. Embree 1934-6-12 44 Plumas 1 mi w Bucks Ranch; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
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Jul 19 2018
  SEINET10490234  Lupinus sellulus var. artulus Mary Susan Taylor 1982-7-14 Taylor 4831 Plumas Corolla pale blue. Near jct. Of 27n92 and 26n18 in Long Valley around creek, ca 4 air mi wWof Greenville. Dry roadside in hardpacked Soil. 1676 Comment
  SEINET10490875  Lupinus sellulus var. sellulus Taylor 1981-6-3 Taylor 3852 Plumas Crocker mtn quad. Jct of beckworth-milford rd and squaw valley rd, in squaw Valley, ca 11 mi n of beckworth. Sagebrush scrub. Associates: eriogonum Douglasii, lomatium nudicaule. 1707 Comment
  CHSC39463  Lupinus stiversii Jennifer Grant 1984-4-19 11 Plumas Ca. 40 mi ne of Oroville and 50 yds e of the N. Fk. Feather River. 609 Comment
  UCD109583  Lupinus stiversii June McCaskill 1954-5-31 331 Plumas at roadside above Feather River, State Highway 24 (U.S. Alt. 40), ca. 2 miles north of Storrie. Comment
  CAS-BOT-BC436596  Luzula cascadensis Mary Strong Clemens 1938-7-4 s.n. Plumas Greenville Comment
  CAS-BOT-BC436599  Luzula cascadensis John Thomas Howell 1962-6-17 37648 Plumas Sierra Nevada: Butterfly Valley 1036 Comment
  HSC102788  Luzula comosa var. comosa L. Ahart 2008-8-13 15183 Plumas About 1.75 air miles S of Little Grass Valley Reservoir, ~1.0 mi. NE of La Porte, west of East Branch Creek, on the western side of La Porte Rd. 1614 Comment
  CAS-BOT-BC436680  Luzula comosa var. laxa Robert J. Weatherby 1955-6-26 1544 Plumas Mud Lake, Lakes Basin area 2103 Comment
  JEPS113869  Luzula divaricata Lowell Ahart, John Dittes 2007-8-9 14441 Plumas About 80 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  POM186545  Lysimachia nummularia D. D. Keck 1932-7-3 1627 Plumas Along the Lake Almanor road in the meadow at city limits of Quincy. 1067 Comment
  CHSC40636  Lythrum portula Lowell Ahart 1985-9-26 5176 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CAS-BOT-BC343795  Madia elegans Mary Strong Clemens 1920-6-8 s.n. Plumas Greenville Comment
  CAS-BOT-BC343787  Madia elegans David D. Keck 1938-8-9 4895 Plumas 1 mi. W. of Portola 1480 Comment
  UC1561925  Madia elegans Barbara Ertter 1987-7-24 7309 Plumas on Rt 284 ca 3 mi n Chilcoot (<on road> to Frenchman Lake) 1524 Comment
  CAS-BOT-BC344470  Madia exigua John Thomas Howell 1962-6-17 37676 Plumas Butterfly Valley 1036 Comment
  CHSC75460  Madia exigua G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3095 Plumas Northeast of county hospital, 1.8 miles north of Lawrence Street on Highway 70/89, Quincy. 1066 Comment
  JEPS115873  Madia exigua Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15887 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area 1421 Comment
  RSA670120  Madia exigua June McCaskill 326 Plumas Lake Almanor region [?] Comment
  SEINET10474805  Madia glomerata Mary Susan Taylor 1981-8-28 Taylor 4246 Plumas California: T21N R13E se1/4 sec 5. Sierra City NE quad. Along Sulphur Creek, ca. 1/4 mi S of Hwy 89, ca. 3 mi SE of Clio. Plumas County. 4700 ft. 1432 Comment
  UC249265  Madia glomerata H. E. Brown Aug. 1-15, 1897 619 Plumas near Lassen Buttes 1828 Comment
  CAS-BOT-BC342861  Madia glomerata Lowell Ahart 1986-9-10 5397 Plumas About 1 mile north-west of and near Pilot Peak, about 14 miles north-east of La Porte 1950 Comment
  OBI49202  Madia glomerata Joseph Andorfer Ewan 1934-7-18 8574 Plumas Sierra Nevada, along Middle fork Feather R at Portola Comment
  UC485320  Madia glomerata Katharine Brandegee Plumas Portola Comment
  CDA13938  Madia gracilis G. F. Hrusa 1997-6-26 13876 A Plumas Sierra Nevada; 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S). Comment
  JEPS115862  Madia gracilis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16112 Plumas West of a man made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  SEINET10474809  Madia gracilis Mary Susan Taylor 1981-9-14 Taylor 4276 Plumas California: T26N R8E se1/4 sec 13. Almanor SE quad. Around the ponds, headwaters of Rush Creek, near its jct with Cow Creek, ca. 5 mi ESE of Green- ville. Plumas County. 5200 ft. 1585 Comment
  SEINET11601430 Image available Madia gracilis W. Harnach, N. Harnach 1990-1 399 Plumas Sierra Valley. N of Beckwourth, Genessee Road. 1585 Comment
  CAS-BOT-BC343258  Madia gracilis David D. Keck 1932-7-3 1617 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC343265  Madia gracilis L. P. Janeway 1992-7-17 4264 Plumas Plumas National Forest, Beckwourth Ranger District. Cogswell Ravine; ca 1.1 mi north of Mount Jackson, 1.7 mi east-northeast of Cromberg Spring, 2 mi northeast of Middle Fork Feather River 1731 Comment
  SEINET6225029  Madia gracilis L. S. Rose 1967-1 67170 Plumas Plumas Co Comment
  UC942953  Madia gracilis Lewis S. Rose 1951-6-9 51070 Plumas 9 mi e Quincy 1219 Comment
  SEINET10474822  Madia minima Mary Susan Taylor 1974-5-18 Taylor 248 Plumas Vicinity of Tobin and Butterfly Valley, Hwy 70. Comment
  CHSC87835  Maianthemum racemosum Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11000 Plumas On the bottom of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  CAS-BOT-BC512090  Maianthemum racemosum subsp. amplexicaule Anna Head 1920-6-13 s.n. Plumas Lake Center Camp; Feather River Region 1920 Comment
  RSA508614  Marah macrocarpa Mrs. R. M. Austin 1880-1 s.n. Plumas [No location data on label] Comment
  UCSB46166  Marsilea vestita Reisentz, Paul 1979-5-13 Plumas Near Chambers Creek, 6 mi S of Beldon on Hwy 70. Comment
  JEPS101227  Marsilea vestita subsp. vestita Dean W. Taylor 2000-8-12 17578 Plumas far eastern shore near Pioneer Cabin Antelope Lake; ; Antelope Lake, far eastern shore near Pioneer Cabin 1524 Comment
  UCD107734  Medicago lupulina Mrs. E. A. Jenkins 1928-8-8 1427 Plumas Meadow Valley. Comment
  CAS-BOT-BC269219  Melica aristata Lowell Ahart 1977-7-26 1478 Plumas One-half mile below the Bunker Hill Mine. The Bunker Hill Mine is about ten miles north-east of La Porte 2000 Comment
  CAS-BOT-BC271099  Melica bulbosa John Thomas Howell; Gordon H. True 1973-7-31 50102 Plumas Summit ridge of Thompson Peak, Diamond Range, Sierra Nevada 2194 Comment
  CAS-BOT-BC282077  Melica fugax L. W. Swift 1933-6-13 84 Plumas Squaw Valley 1767 Comment
  CAS-BOT-BC282082  Melica fugax John Thomas Howell 1962-6-17 37704 Plumas Portola 1463 Comment
  CAS-BOT-BC282091  Melica fugax Gladys L. Smith 1976-6-7 4585 Plumas N end summit ridge, secondary road between Route 70 and La Porte 1950 Comment
  CDA38809  Melica fugax L. Ahart, John Dittes, Josephine Guardino 2009-6-15 15905 Plumas On the north side of the road under the pole line. about 200 yards west of Lake Almanor Dam, depression in mined over area. Comment
  CHSC44577  Melica fugax Lowell Ahart 1977-6-20 1435 Plumas Near the South Fork of the Feather River, about 1/2 mile north-east of the Feather Fork Mine, about 6 miles north of La Porte. 1706 Comment
  UC1024683  Melica fugax Leo Whitney 1933-8-3 2162 Plumas ca 10 mi nw Portola (Big Grizzly Valley, near source of Freeman Creek); Plumas National Forest, Big Grizzly Valley 1828 Comment
  UCD87283  Melica fugax August L. Hormay 10 Jun n/a s.n. Plumas Long Canyon, Plumas National Forest. 1798 Comment
  UC578631  Melica stricta E. Sawyer 1935-6-25 148 Plumas 1.5 mi se Crow; Plumas National Forest, Sierraville Quad. 1889 Comment
  CAS-BOT-BC264176  Melica subulata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54332 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road, Sierra Nevada 1341 Comment
  CHSC103124  Melica subulata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16104 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CHSC75572  Melica subulata G. F. Hrusa 1997-5-30 13841 Plumas Sierra Nevada. 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. [Original lat./long. on label is '39 54 N; 120 45 W']. 1500 Comment
  UCD88624  Melica subulata John Thomas Howell 1960-7-22 35903 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad. 1676 Comment
  CAS-BOT-BC264179  Melica subulata John Thomas Howell 1960-7-23 35965 Plumas Dream Lake, Drakesbad, Lassen Volcanic National Park 1828 Comment
  RSA52949  Mentha canadensis R. Weatherby 1950-7-28 1498 Plumas Border of Smith Lake near Quincy. 1250 Comment
  SBBG121211  Mentzelia albicaulis L. Ahart, J. Dittes, J. Guardino 2007-6-8 13990 Plumas 50 yards E of a poor dirt rd, ca. 1 mi (air) N of the N end of Lake Davis 1965 Comment
  UC420644  Mentzelia albicaulis Katharine Brandegee June 1913 Plumas Canyon of the Truckee Comment
  UC1094007  Mentzelia montana Lewis S. Rose 1955-7-19 55139 Plumas Beckworth 1493 Comment
  CHSC44142  Menyanthes trifoliata V. Oswald; L. Ahart 1988-8-4 3677 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On a floating bog at the ne edge of the lake. 1676 Comment
  JEPS87377  Menyanthes trifoliata Vernon H. Oswald and Lowell Ahart 1993-8-3 5759 Plumas 9 air mi n of Lake Almanor (Hay Meadow at n end of 30N25 on s edge of the Caribou Wilderness); Caribou Wilderness, Hay Meadow 1950 Comment
  UCD128412  Menyanthes trifoliata Albert Grigarick 2012-7-8 326 Plumas Gray Eagle Trail starting at Grass Lake (Elwell Lodge Rd.). W shore of Grass Lake. 1905 Comment
  CAS-BOT-BC428729  Micranthes californica Mrs. H. C. Cantelow 1941-5-25 s.n. Plumas 3.2 west of Belden, Feather River Canyon, Hy. 24 Comment
  CAS-BOT-BC429030  Micranthes nidifica Lowell Ahart 1987-5-19 5657 Plumas Near the South Fork of the Feather River, about 1/2 mile north-east of the Feather Fork Mine, about 8 miles north-east of La Porte 1706 Comment
  CHSC91740  Micranthes nidifica G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-26 3359 Plumas Sierra Nevada. 0.25 mile northeast of Bucks Summit on Bucks Lake Road; hillside meadow at the head of Eagle Gulch. 1670 Comment
  CAS-BOT-BC429146  Micranthes odontoloma Anna Head 1921-8-10 s.n. Plumas Long Lake, Feather River Region Comment
  SEINET10902908  Microsteris gracilis subsp. humilis Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3846 Plumas T24N R12E nw sec 25, Grizzly Valley quad; W side of 24N10, ca. 1/4 mi S of Grizzly Creek crossing 24N10, ca. 8 mi NW of Portola; elevation ca. 5800 ft. 1768 Comment
  JEPS87287  Mimulus aurantiacus var. grandiflorus David M. Thompson 1992-6-9 1120 Plumas 2.0 mi ne Elephant Butte Tunnel (along Hwy 70, just ne of bridge over river); North Fork of Feather River 520 Comment
  JEPS10254  Mimulus cardinalis Helen-Mar Wheeler 1944-8-23 643 Plumas Cascade Creek Comment
  NY68366  Mimulus kelloggii R. M. Austin 1871-1 s.n. Plumas Comment
  UC1063102  Mimulus lewisii G. T. Nordstrom 1934-7-17 234 Plumas 1 1/2 mi s and 1/2 mi e Bucks Mtn.; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UC1063055  Mimulus moniliformis E. Sawyer 1935-7-1 267 Plumas 1/2 mi s Chases; Plumas National Forest, Downieville Quadrangle Comment
  UC1075699  Mimulus moniliformis Robert J. Weatherby 1955-8-12 1682 Plumas above Meadow Valley (near Morrow Creek); McFarland Creek 1432 Comment
  CHSC108720  Mimulus moschatus B. Castro; L. P. Janeway 2003-9-7 1454 Plumas High Cascade Range. Caribou Wilderness Area, ca 0.25 mi N of Hay Meadow, along N side of trail just NW of Indian Meadow. 1958 Comment
  SEINET10570305  Mimulus moschatus Mary Susan Taylor 1982-8-9 Taylor 4952 Plumas T26N R8E ne/ne sec 4. Almanor NE quad. End of spur rd off Seneca Rd (306), at Salmon Creek, ca. 2 air mi sw of Canyon Dam. 5000 ft. 1524 Comment
  RSA535573  Mimulus nanus var. mephiticus David M. Thompson 1988-6-29 941 Plumas Ca. 4 airmiles NE of Bucks Lake. 0.2 mi W of Big Creek Road along Bucks Lake Road (vis Bucks Summit). 1244 Comment
  RSA535799  Mimulus nanus var. mephiticus David M. Thompson 1986-6-29 562 Plumas Genesee. 1.5 mi S of Flournoy Bridge, along USFS Road 25N42 to Nye Creek. 1159 Comment
  JEPS113824  Mimulus primuloides subsp. primuloides Lowell Ahart, Josephine Guardino 2007-7-21 14365 Plumas Near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  CDA41727  Mimulus tilingii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3338 Plumas 0.75 mile east of Bucks summit on Bucks Lake Road. 1600 Comment
  UC725838  Mimulus tilingii A. A. Heller 1942-8-3 16517 Plumas near the stream Upper King Creek Meadow camp ground Comment
  CHSC113635  Mimulus torreyi Lowell Ahart 2014-8-31 19815 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  JEPS8122  Mimulus torreyi R. H. Platt 1891-1 Plumas near Prattville; Sierras Comment
  RSA324433  Mimulus torreyi Helen-Mar Wheeler 1944-8-23 s.n. Plumas Cascade Creek. 1250 Comment
  RSA337276  Mimulus torreyi Noel Holmgren, Patricia K. Holmgren 1980-6-29 9440 Plumas California Hwy 36, 6.5 km (4 mi) west of Westwood. 1490 Comment
  CAS-BOT-BC432981  Mitella breweri Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  RSA121479  Mitella breweri A. Lewis 1934-6-18 489 Plumas 1 mile NW of Whiskey Diggins 1402 Comment
  CDA11852  Moehringia macrophylla G. F. Hrusa, E. Sandoval 1993-5-3 11140 Plumas Snake Lake Vicinity; Woods surrounding Snake Lake. Comment
  CHSC67670  Monardella follettii James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2554 Plumas Rich Gulch Rd. 3.0 mi N of Hwy. 70 on slope W of and adjacent to road (26N22) S of Red Mtn. turnoff. Comment
  UCSC008317  Monardella follettii Brett Smith 2012-7-25 BAS 012 Plumas 220m NNW of Tallest Point in area, 150m SW of intersection of 26N25 and 26N26. 1416 Comment
  CHSC84369  Monardella odoratissima Lowell Ahart 2003-9-7 10562 Plumas On the east side of the dirt road, about 50 yards southeast of the Pacific Crest Trail, on Bunker Hill Ridge, about 1 mile (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte. 2038 Comment
  SEINET3152592  Monardella odoratissima subsp. glauca E. K. Balls 1950-9-1 15584 Plumas Long Lake, E shore toward Mt. Elwell. 2103 Comment
  CHSC26168  Monardella odoratissima subsp. pallida Detzer; M. Sacks 1977-7-23 10 Plumas Ca. 3.5 km ne of Squaw Pk. 1973 Comment
  CHSC67837  Monardella odoratissima subsp. pallida James D. Jokerst 1989-7-3 3113 Plumas S and adjacent to Hwy. 70 and Greenhorn Creek 1 mi E of Caltrans Roadside Rest, ca. 10 mi E of Quincy. Comment
  CAS-BOT-BC220493  Monardella sheltonii M. S. Taylor 1982-7-21 4897 Plumas Summit of Little Volcano, ca. 5 mi se of Quincy 1768 Comment
  CHSC61748  Monardella sheltonii L. P. Janeway 1993-7-28 4476 Plumas Plumas National Forest. Top of ridge southwest of confluence of North and South Branches of Ward Creek. Along access road 2.4 mi southeast of Genesee Valley. 1402 Comment
  CHSC91753  Monardella sheltonii G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-25 3286 Plumas Sierra Nevada foothills. 0.7 mile south of Arlington Road (Main Street, Taylorsville), on Beckwourth-Greenville Road, east of Taylorsville. 1112 Comment
  SJSU15283  Monardella sheltonii S. Woolhouse 2010-7-20 4 Plumas Near Bean Hill along forest service road 25N17. Comment
  SEINET10862293  Monardella sheltonii A. Graff 1993-7-21 Graff 288 Plumas Plumas National Forest. On Hwy. 70 west, .3 mile southeast of Greenhorn Ranch Rd., on right road bank. T24N,R10E,S25. Growing in light brown, sandy, gravelly soil, with Arctostaphylos sp. and scrub. Bombus sp. Comment
  SEINET10928192  Monardella sheltonii A. Graff 1993-7-21 Graff 289 Plumas Plumas National Forest. On Hwy. 70 west, .3 mile southeast of Greenhorn Ranch Rd., on right road bank. T24N,R10E,S25. Growing in light brown, sandy, gravelly soil, with Arctostaphylos sp. and scrub. Bombus sp. Comment
  SEINET10961426  Monardella sheltonii A. Graff 1993-7-22 Graff 320 Plumas Plumas National Forest, Serpentine Canyon. Hwy. 70 west, 1.15 miles past Rich Gulch Rd. (USNFS Rd. 26N22), on the right roadside. T25N,R7E,S13. Past flowering. Comment
  CHSC54411  Montia fontana subsp. chondrosperma Vernon H. Oswald 1991-6-17 4667 Plumas Drakesbad, on the springy slope on the north side of the meadow, west of the resort buildings. 1755 Comment
  CHSC52529  Montia linearis L. P. Janeway 1990-6-29 3746 Plumas Plumas National Forest Beckwourth Ranger Districe. Cascade Compartment. Meadow on S side of Little Grizzly Creek ca 1/4 mi E of Emigrant Creek. 1767 Comment
  CAS-BOT-BC445078  Montia linearis W. Harnach; N. Harnach 1989-4-16 031 Plumas Sierra Valley. 3/4 mile west of Steel Bridge on Marble Lane. 1487 Comment
  RSA325150  Montia linearis M. S. Taylor, M. Foster 1981-6-8 3870 Plumas Grizzly Valley quad, N side of 24N08, just N of jct with 25N93, 1/2 way betw Bagley Pass and Red Clover Valley, alt 1.5 miles N of W end of Lake Davis. 1707 Comment
  RSA39891  Montia linearis P. A. Munz 1947-5-16 11837 Plumas 8 miles north of Chilcoot. 1524 Comment
  CAS-BOT-BC262610  Muhlenbergia andina John Thomas Howell 1960-7-19 35655 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UCD86491  Muhlenbergia andina John Thomas Howell 1960-7-19 35655 Plumas Drakesbad. 1676 Comment
  CAS-BOT-BC267005  Muhlenbergia filiformis John Thomas Howell 1959-9-22 34846 Plumas Drakesbad 1737 Comment
  CHSC41886  Muhlenbergia filiformis Lowell Ahart 1986-9-10 5398 Plumas Near an open bare serpentine area, about 1 mile north-west of Pilot Peak, about 14 mile north-east of La Porte. 1950 Comment
  CHSC44581  Muhlenbergia filiformis Lowell Ahart 1975-9-13 985 Plumas Along Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CHSC81189  Muhlenbergia filiformis Lowell Ahart 2001-8-28 9190 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  UCD86723  Muhlenbergia filiformis Leo Whitney 1934-8-15 2183 Plumas Willow Creek. 15 miles north of Beckwith, Plumas National Forest. 1950 Comment
  CHSC67414  Muhlenbergia richardsonis James D. Jokerst 1985-6-10 2400 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  RSA107488  Muhlenbergia richardsonis L. S. Rose 1955-7-20 55161 Plumas Mohawk 1372 Comment
  UC1111633  Muhlenbergia richardsonis Lewis S. Rose 1955-7-20 55161 Plumas Mohawk 1371 Comment
  RSA39894  Muilla maritima Philip A. Munz 1947-5-16 11835 Plumas 8 miles north of Chilcoot. 1524 Comment
  UC501387  Myosotis discolor David D. Keck Jul 3 1932-Jul 5 1932 1670 Plumas along rd. to Lake Almanor Quincy; Northern Sierra Nevada 1065 Comment
  CHSC60073  Myosotis scorpioides L. P. Janeway 1992-7-1 4241 Plumas Plumas National Forest. North side of Middle Fork Feather River along drainage of Bonta Creek. 1310 Comment
  UC175562  Myosotis scorpioides A. A. Heller 1913-6-13 10861 Plumas near Quincy 1066 Comment
  POM252795  Myosotis scorpioides A. A. Heller 1938-7-2 15241 Plumas 3 miles east of Quincy. 1098 Comment
  UC1560390  Myosotis scorpioides E. Joyal and D. Mehlman 1988-6-30 1300 Plumas 2 - 2.5 mi. s. Graeagle (along hwy. #89, Mill Creek and its tributaries); Mill Creek 1200 Comment
  CAS-BOT-BC392268  Myosurus apetalus John Thomas Howell 1962-6-19 37865 Plumas 5.8 miles e. of Beckwourth 1493 Comment
  POM312423  Myosurus aristatus H. L. Mason 1953-6-16 14554 Plumas 2 miles E of Beckwourth Comment
  RSA312422  Myosurus aristatus H. L. Mason 1953-7-8 14559 Plumas 1/2 as long as claw, 6 miles SE of Beckwourth on road from Beckwourth to Loyalton across valley Comment
  UCSC000283  Myosurus minimus subsp. minimus J. G. Lemmon 1889-5-20 s.n. Plumas Sierra Valley, Plumas or Sierra County Comment
  UC1101491  Myriophyllum hippuroides Malcolm A. Nobs and S. Galen Smith 1949-8-19 1410 Plumas ca. 2 mi. s. Greenville (Indian Valley); Indian Valley Comment
  CHSC32875  Myriophyllum sibiricum L. Ahart 1980-9-17 2652 Plumas In the small shallow lake, ca. 0.5 mi w of Fowler Peak, ca. 8 mi n of La Porte. 1600 Comment
  JEPS116013  Myriophyllum sibiricum Lowell Ahart 2009-9-7 16393 Plumas In 3-4 feet of water, Lake Almanor, about 1000 feet northwest of Lake Almanor Dam 1591 Comment
  SEINET12627059  Myriophyllum sibiricum W. Harnach, N. Harnach 1991-6-30 598 Plumas Approx. 1 mile south of the Steel Bridge on Marble lane. Ibis rookery site. Sierra Valley. 1486 Comment
  SD9586  Myriopteris gracillima Mrs. R. M. Austin 1877-1 Plumas Comment
  JEPS85838  Najas guadalupensis Barbara Ertter 1988-10-21 7997 Plumas e end causeway 1.5 mi e of Chester (on Hwy 36, Lake Almanor, lake s. side of rd.); Lake Almanor 1341 Comment
  JEPS3095  Nama lobbii Mrs. Emanuel Fritz 1933-7-4 Plumas Spanish Peak 1981 Comment
  CHSC78761  Narthecium californicum L. P. Janeway 2000-7-16 6905 Plumas Northern High Sierra Nevada. Large meadow at Greens Flat; at head of Catrell Creek; about 3.7 km northwest of Middle Fork Feather River. 1722 Comment
  CHSC80897  Narthecium californicum Lowell Ahart; Vernon H. Oswald 2001-7-11 8892 Plumas Small meadow, on the east side of the dirt road, about 1/4 mile northwest of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) northwest of Greenville. 1447 Comment
  CHSC33600  Navarretia breweri M. S. Taylor; M. Foster 1981-6-8 3867 Plumas N side of 24N08, just n of its jct with 25N93, half way between Bagley Pas and Red Clover Valley, ca. 1.5 air mi n of w end of Lake Davis. 1706 Comment
  SEINET10496816  Navarretia breweri Mary Susan Taylor 1981-7-6 Taylor 3981 A Plumas 6200-6400 ft. T25N R15E se/sw sec 32. Dixie Mt quad. In the Y of the 2 Ross Canyon Rds (25N31A & B), ca. 1.5 mi E of Dixie Valley Rd (28N01), ca. 16 air mi NW of Chilcoot. Open, dry gravelly soils; 1890 Comment
  CHSC113889  Navarretia capillaris Lowell Ahart 2014-8-24 19761 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC80852  Navarretia capillaris Lowell Ahart 2001-7-17 8933 Plumas On the west side of a branch of Butt Creek, on the north side of the dirt road, a little west of Ruffa Ranch, about 1 mile (air) north of Eagle Rocks, about 2 miles (air) northeast of Humboldt Summit. 1706 Comment
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  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
  JEPS124119  Navarretia divaricata subsp. vividior Lowell Ahart 2015-6-7 20217 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  CHSC117630  Navarretia intertexta subsp. intertexta Lowell Ahart 2016-8-30 21331 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CDA18456  Navarretia intertexta subsp. propinqua G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3179 Plumas Sierra Nevada; 2.5 miles northeast of Quincy Junction on Mt Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek and Keddie. 1280 Comment
  CHSC91661  Navarretia leptalea G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3133 Plumas Sierra Nevada. 3.25 mi w of Round Valley Reservoir Dam; 0.25 mi e of junction with road to Canyon Dam (i.e. s arm of Lake Almanor). 1633 Comment
  RSA71074  Navarretia leptalea L. S. Rose 1951-6-27 51042 Plumas Jamison Creek, SW of Johnsville. 1890 Comment
  HSC17009  Navarretia leptalea L. S. Rose 1967-7-11 67159 Plumas Mt. Hough Rd., 9.5 mi. NE of Quincy Jct. 1250 Comment
  CHSC62575  Navarretia leptalea subsp. leptalea B. Castro 1987-6-21 133 Plumas E side of Little Grass Valley Reservoir. 1524 Comment
  RSA0105476  Navarretia leptalea subsp. leptalea Lowell Ahart 2014-8-31 19829 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC81139  Navarretia leucocephala subsp. leucocephala Lowell Ahart 2001-8-29 9256 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC230394  Navarretia leucocephala subsp. minima John Thomas Howell 1961-9-24 36921 Plumas Feather River bed SW of Beckwourth 1487 Comment
  SJSU6438  Navarretia leucocephala subsp. minima N. A. Hopkins 1971-6-19 403 Plumas 7 mi S of Beckwourth 1524 Comment
  SEINET2440279  Navarretia linearifolia subsp. linearifolia Leigh A. Johnson 1993-7-2 93 -123 Plumas Tahoe Natl. Forest. 5 miles NE of Hwy 89 along Hwy A15. Just off A15 near dirt road to the W. Sagebrush-Ponderosa pine area.; 0 1550 Comment
  RSA605581  Navarretia sinistra Alva Day, Orbelia Robinson 1982-7-15 82 -85 Plumas Plumas National Forest, Lake Davis, 0.2 mi. west of Coot Bay on north side of lake. Comment
  JEPS109607  Nemacladus capillaris Dean W. Taylor 2002-6-19 18163 Plumas minor drainage just south of Greenhorn Creek, ca. 1 air mile East of the Williams Loop and Highway 70, ca. 400 feet due south of the marked quarter-corner 1249 Comment
  SEINET10461185  Nemacladus interior Rimo Bacigalupi, Guy T. Robbins Bacigalupi 5440 Plumas In loose granite sand on exposed slopes above Rock Creek, just above its junction with the North Fork Feather River 472 Comment
  UC52234  Nemophila parviflora var. austiniae H. M. Hall and E. B. Babcock 1903-7-4 4421 Plumas near Prattville (North Fork Feather River); , near Prattville 1341 Comment
  CHSC76136  Nemophila pedunculata G. F. Hrusa 1997-5-30 13820 Plumas W side of Rattlesnake Creek, immed. N of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1300 Comment
  OBI76987  Nemophila spatulata Anthony Baniaga 2011-7-26 469 Plumas Lassen Natl Forest. Jctn of F.S. 10 and "U" spur. Red Cinder quad T29N R7E sec 3 Se of SE 1794 Comment
  UCSB15812  Nemophila spatulata Breedlove, Dennis 1962-6-12 Plumas Along State Highway 36; 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  CDA38181  Oenothera elata subsp. hirsutissima T. C. Fuller 1963-7-17 10925 Plumas South side of Highway 40 Alt. to Portola, ca. 6 miles east of Quincy. 0 Comment
  SEINET5345598  Oenothera flava subsp. flava W. Harnach, N. Harnach 1990-6-13 377 Plumas Sierra Valley, Sw of Beckwourth, Ramelli Ranch 1487 Comment
  JEPS31964  Oreostemma alpigenum var. andersonii W. L. Jepson 1939-7-29 19284 Plumas between Fales Hill and Chaparral Hill; Spanish Creek headwaters 1584 Comment
  JEPS88178  Oreostemma alpigenum var. andersonii Vernon H. Oswald and Lowell Ahart 1996-8-14 8172 Plumas on Oroville-Quincy Hwy 3.6 mi sw Silver Lake Rd. (between Meadow Valley and Bucks Lake, 1.8 mi ne of White Horse Campground, near Bucks Summit); northern High Sierra Nevada 1676 Comment
  JEPS80617  Orobanche corymbosa subsp. corymbosa M. S. Taylor 1981-6-25 3952 Plumas On hill at NE junction of 25N11 and spur off 25N71, where Last Chance Creek crosses 25N11, ca. 0.5 mi N of N tip of Frenchman Lake, ca. 13 mi NW of Chilcoot. Comment
  UC1731428  Orogenia fusiformis Dean W. Taylor 1997-4-9 15949 Plumas n Greenville (along Hwy 89); Plumas National Forest, Wolf Creek 1097 Comment
  UC1609125  Orthilia secunda Vernon H. Oswald and Lowell Ahart 1993-8-25 5855 Plumas Ridge Lake located ca. 1 mi ESE of Spencer Mdw. ca. 0.6 mi S of Lassen Park. 1978 Comment
  UC1585983  Orthocarpus cuspidatus subsp. copelandii Barbara Ertter 1988-7-25 7859 Plumas ca 15 air mi due s Susanville (sheep camp on Pierce Creek); Diamond Mts., Pierce Creek 1981 Comment
  CHSC98578  Orthocarpus cuspidatus subsp. cryptanthus B. Castro; L. P. Janeway 2005-7-10 1497 Plumas Northern High Sierra Nevada. Near Lassen Co line. Crest of the Diamond Mtns, overlooking NW end of Honey Lake, at N end of Stony Ridge. At N end of jeep road ca 0.6 mi from its junction with sharp bend in Rd 27N12, on open flat basalt pebble-field around headwaters of Stony Creek. 1990 Comment
  JEPS95379  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart 1994-7-20 7485 Plumas on both sides of the Pacific Crest Trail, N side of Bunker Hill Ridge, about 1/2 mi NW of Mount Etna 1981 Comment
  SEINET10549683  Orthocarpus hispidus Mary Susan Taylor 1974-7-3 Taylor 292 Plumas Butterfly Valley Botanical Area, ca. 10 mi NW of Quincy on Hwy 70. Associates: Drosera rotundifolia, Darlingtonia californica. 1219 Comment
  SEINET10832404  Orthocarpus hispidus Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3881 A Plumas T24N R14E nw sec 7, Crocker Mt quad. In Red Clover Valley, Overland Inc. Ranches, ca. 3/4 mi N of Genesee- Beckwourth Rd, ca. 11 air mi NW of Beckwourth; elevation ca. 5500 ft.; Sagebrush Scrub on dry sandy soil. 1676 Comment
  SEINET12326102  Orthocarpus hispidus W. Knight, Knight, I. 1983-1 4896 Plumas Warner Creek Campground between Chester & Drakesbad 1539 Comment
  SEINET10549692  Orthocarpus lacerus Mary Susan Taylor 1981-6-19 Taylor 3931 Plumas T27N R7E ne/ne sec 10. Almanor SW quad. SW side of Lake Almanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi NW of Prattville, ca. 3/4 mi E of Hwy 89. 4500 ft elev. 1372 Comment
  RSA107455  Orthocarpus luteus L. S. Rose 1955-7-19 55148 Plumas Vinton. 1506 Comment
  JEPS25807  Osmorhiza berteroi John W. Duffield 1937-5-27 Plumas Grubstake Flat Meadow Valley Comment
  HSC73005  Osmorhiza occidentalis M. S. Taylor 1981-7-27 4119 Plumas Along spring crossing Bechwourth= Genesee Rd, between Crystal and Meadow Creeks, 2 mi. S of Notson Bridge, 17 air mi. NE of Blairsden 1738 Comment
  CAS-BOT-BC121012  Paeonia brownii Rimo Bacigalupi 1927-7-12 1729 Plumas Along littel Gray Eagle Creek near Lakes Center Camp, Gold Lake Region. Comment
  CDA24373  Paeonia brownii L. Evans 1974-7-17 Plumas Moonlight Valley, 2 miles south of Moonlight Peak, Lassen National Forest. Comment
  JEPS48492  Paeonia brownii John W. Duffield 1937-5-29 Plumas above and w Meadow Valley (below UC Forestry camp); Schneider Creek Comment
  OBI22069  Panicum acuminatum Lewis S. Rose 1966-7-27 66070 Plumas Butterfly Valley, 3 mi W of Keddie 1067 Comment
  UCD89135  Panicum acuminatum var. acuminatum Malcolm A. Nobs; S. Galen Smith 1949-8-19 1436 Plumas Bog and marsh at Butterfly Valley. Comment
  RSA92448  Panicum acuminatum var. acuminatum F. W. Peirson 1926-6-22 6809 Plumas along muddy shores of Boiling Lake, or in the muddy flats back from it; Drakesbad, lassen National Park Comment
  UC114925  Parnassia californica Mrs. R. M. Austin 187 Plumas California Comment
  CAS-BOT-BC175579  Parnassia palustris Walter Knight; Irja Knight 1966-9-12 1757 Plumas Darlingtonia Bog. Butterfly Botanical Area and Vicinity 1127 Comment
  CHSC55803  Parnassia palustris Vernon H. Oswald 1991-9-11 4866 Plumas Lassen Volcanic National Park. North of the meadow and west of the resort at Drakesbad. 1767 Comment
  RSA112887  Pedicularis aurantiaca E. F. Sprague 1957-5-30 1231 Plumas 6 miles SW of Viola. 854 Comment
  UC171622  Pedicularis racemosa Mrs. R. M. Austin 1879-1 Plumas Spanish Creek Comment
  CHSC43769  Pedicularis semibarbata Vernon Oswald 1983-8-4 966 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas, and Tehama Counties). 1993 Comment
  RSA71071  Pedicularis semibarbata L. S. Rose 1951-6-28 51058 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  UC122754  Pellaea brachyptera Mrs. R. M. Austin Aug. 1876 Plumas Soda Springs Comment
  CAS-BOT-BC67614  Pellaea bridgesii Emily K. Mcpherson 1976-11-7 76- 32 -10 Plumas Sierra Nevada - 5 miles north of Beckworth - Portola Quad. 2055 Comment
  SD9665  Pellaea mucronata J. G. Lemmon 1876-1 Plumas Sierra Valley Comment
  SD52119  Penstemon confertus F. Stephens 1 July 8191 Plumas Greeneville Comment
  UC1063375  Penstemon deustus E. Sawyer 1935-6-3 59 Plumas 1 3/4 mi s Beckwith Butte; Plumas National Forest, Sierraville Quad. Comment
  RSA412525  Penstemon deustus W. I. Follett, E. B. Follett 1948-6-1 s.n. Plumas North Fork Feather River, 1.3 mi below Chip Creek. Comment
  NY591827  Penstemon deustus var. pedicellatus F. W. Pennell 1940-6-11 25812 Plumas Route 24, west of Mohawk R. S. 1463.0 Comment
  CHSC90936  Penstemon deustus var. suffrutescens Lowell Ahart; Richard Rabeler, Lawrence Janeway, Linnea Hanson 2005-4-20 11750 Plumas On a rock fill on the north side of Highway 70, south bank of the North Fork of the Feather River, about 200 yards southwest of Grizzly Creek, about 1 1/2 miles northeast of the Arch Rock Shady Rest Area. 484 Comment
  CHSC35268  Penstemon gracilentus M. S. Taylor 1981-7-17 4044 Plumas Lakes Basin, Bear Lake trail, just s of its jct with Long Lakes trail, ca. 6 air mi s of Mohawk. 2011 Comment
  NY600720  Penstemon gracilentus L. Constance 1938-6-10 2314 Plumas West edge of Lake Almanor at Prattville 1219.2 Comment
  UC573499  Penstemon gracilentus E. Sawyer 1935-6-17 117 Plumas five mi sse Crow; Sierraville Quad., sse of Crow 1798 Comment
  UC1585969  Penstemon laetus Barbara Ertter with Gary Schoolcraft 1989-7-3 8652 Plumas ca 8 airmi s Susanville (below Red Rock lookout); , s of Susanville 2255 Comment
  SD133973  Penstemon laetus Barbara Ertter, Gary Schoolcraft 1989-7-3 8656 Plumas ridge between Red Rock and Diamond Mt ca 8 airmiles S of Susanville, dry open ridgeline 2225 Comment
  POM194860  Penstemon laetus var. leptosepalus D. D. Keck 1928-6-16 449 Plumas 4 miles N of Butte Co line on Oroville - Quincy Road. 1677 Comment
  POM186422  Penstemon neotericus D. D. Keck 1932-7-6 1713 Plumas 8 miles N of Greenville on road to Prattville. 1463 Comment
  CHSC21350  Penstemon newberryi F. T. Griggs; A. Pass 1975-8-6 311 Plumas Buck's Lake Forest Service Survey. Comment
  SEINET10548067  Penstemon newberryi Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4329 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  POM147040  Penstemon newberryi subsp. newberryi Alice Eastwood 1927-06 s.n. Plumas On road from Long Valley. United States Forest Reserve. Comment
  RSA17708  Penstemon newberryi subsp. newberryi Elmer I. Applegate 1934-5-3 8908 Plumas Near and west of Meadow Valley. Comment
  CHSC43771  Penstemon newberryi var. newberryi Vernon Oswald 1983-8-4 968 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas and Tehama Counties). 1993 Comment
  CHSC28918  Penstemon personatus L. Hanson 1979-8-10 67 Plumas On ridge south of Coldwater Creek downslope from Coldwater Creek Rd. Comment
  CHSC60155  Penstemon roezlii L. P. Janeway 1992-6-8 4222 Plumas Plumas National Forest. About 3 mi south of Hwy 70/89 at Lee Summit. 1359 Comment
  JEPS126588  Penstemon roezlii Lowell Ahart 2016-6-29 21074 Plumas East part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UC1063509  Penstemon roezlii A. Lewis 1934-6-12 472 Plumas 4 1/2 mi sw Lexington Hill (Mooreville Ridge); Plumas National Forest, Bidwell Bar Quadrangle 1493 Comment
  NY650116  Penstemon roezlii F. W. Pennell 1940-6-11 25809 Plumas Route 24, Spring Garden 1310.6 Comment
  CAS-BOT-BC239592  Penstemon rydbergii var. oreocharis Mary Strong Clemens 1920-5-25 s.n. Plumas Taylorsville Comment
  JEPS15107  Penstemon rydbergii var. oreocharis F. W. Embree 1934-6-12 107 Plumas w end Haskins Valley; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  UC565592  Penstemon rydbergii var. oreocharis Herbert L. Mason 1924-6-16 1039 Plumas near Blairsden; Feather River - near Blairsden Comment
  CHSC106218  Penstemon speciosus Arthur C. Barrett 1915-7-6 8 Plumas Plumas National Forest. Boulder Creek Canyon. 1706 Comment
  CHSC53223  Penstemon speciosus L. P. Janeway 1989-6-20 3361 Plumas Plumas National Forest. East-facing flank of Crocker Mtn. 1965 Comment
  SD46690  Penstemon speciosus Robert J. Weatherly 1955-6-22 1534 Plumas Road to Spanish Peak lookout. 1829 Comment
  SEINET6626641  Pentagramma triangularis subsp. semipallida J. T. Howell 1967-6-23 42730 Plumas Sierra Nevada, Lewisia Rock, 3.5 miles sw of Belden, Feather River Cnyon Comment
  CHSC34859  Perideridia bolanderi M. S. Taylor; M. Foster 1981-6-8 3865 Plumas N side of 24N08, just n of its jct with 25N93, 1/2 way between Bagley Pass and Red Clover Valley, ca. 1.5 air mi n of w end of Lake Davis. 1706 Comment
  SEINET10454547  Perideridia bolanderi Mary Susan Taylor 1982-6-10 Taylor 4626 Plumas T23N R14E se/ne sec 12. Reconnaissance Peak quad. Along 23N72, 0.5 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. Granitic soils. 5500 ft. 1675 Comment
  CHSC42646  Perideridia bolanderi subsp. bolanderi Vernon Oswald 1986-7-10 2187 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  JEPS113607  Perideridia bolanderi subsp. bolanderi Lowell Ahart, John Dittes 2007-6-16 14146 Plumas On dry gravelly soil, on a low rocky open hill, west of a small stream, about 200 yards south of County Road 111 (Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UCD127834  Perideridia bolanderi subsp. bolanderi J. M. Tucker 1948-7-24 1716 Plumas near road from Cascade to Camel Peak. 1615 Comment
  POM180937  Perideridia bolanderi subsp. bolanderi A. A. Heller, P. B. Kennedy 1907-7-4 8724 Plumas Ridge east of Red Clover Valley Comment
  CHSC54511  Perideridia lemmonii Vernon H. Oswald 1991-8-8 4812 Plumas Lassen Volcanic Park. Just north of the south boundary of the park at Willow Lake, along the trail to Camp Kelly and Terminal Geyser, ca. 3 miles (air) southeast of Drakesbad. 1658 Comment
  JEPS116016  Perideridia lemmonii Lowell Ahart, John Dittes 2009-8-28 16351 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  JEPS118620  Perideridia lemmonii B. Castro, L. P. Janeway 2001-7-22 1350 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. Alongside road (the western extension of USFS Rd 23N69), in slight depressions. Haskins Valley 7.5' quad. Comment
  RSA59673  Perideridia lemmonii E. K. Balls 1950-9-9 15741 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  UC1389932  Perideridia lemmonii T. I. Chuang and R. Bacigalupi 1963-8-2 5914 Plumas on Hwy 89 1.5 mi n Greenville Comment
  UC1389953  Perideridia lemmonii T. I. Chuang, R. S. Mitchell, and G. Keator 1965-6-17 5991 Plumas 2.6 mi n Quincy Comment
  CDA25039  Perideridia parishii subsp. latifolia G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3155 Plumas Long Valley, 0.4 mile south of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  UCD99385  Persicaria amphibia Malcolm A. Nobs; S. Galen Smith 1949-8-19 1454 Plumas Southeastern side of Portola. Comment
  CHSC45862  Persicaria lapathifolia Lowell Ahart 1981-9-6 3070 Plumas On a sandbar along Indian Creek, about 1/2 mile south-west of the intersection of Highway 89 and Arlington Road, about 1 1/2 miles south-west of Crescent Mills. 1097 Comment
  CHSC54869  Persicaria lapathifolia Vernon H. Oswald 1991-8-23 4842 Plumas Lassen Volcanic National Park. Outlet of Juniper Lake. Common on dry mud on the strand of the lake. 2057 Comment
  CHSC95028  Persicaria maculosa L. P. Janeway; B. Castro 2006-6-3 8662 Plumas Northern High Sierra Nevada. East side of narrow drainage connecting the upper and lower parts of Thompson Valley. 1676 Comment
  CAS-BOT-BC419236  Persicaria maculosa Robert J. Weatherby 1950-7-21 1469 Plumas East Quincy 1036 Comment
  CAS-BOT-BC419239  Persicaria maculosa John Thomas Howell 1951-8-19 28194 Plumas Greenville 1097 Comment
  RSA133987  Phacelia hastata subsp. hastata L. R. Heckard, R. C. Bacigalupi 1951-8-8 186 Plumas Sierra Valley, near Chilcoot. 1524 Comment
  CHSC91803  Phacelia heterophylla subsp. virgata G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16317 Plumas Northern Sierra Nevada. Willow Creek Rd. 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  UC1602017  Phacelia heterophylla subsp. virgata C. G. Albertus 1935-8-2 240 Plumas Big Hill Plumas National Forest, Downieville Quadrangle (s slope) Comment
  CHSC34870  Phacelia humilis M. S. Taylor 1981-6-16 3913 Plumas N side of 23N88, a loop road off rd 24N07, ca. 3/4 mi nw of Smith Peak Lookout, ca. 7 air mi ne of Blairsden. 2072 Comment
  RSA71065  Phacelia hydrophylloides L. S. Rose 1951-6-28 51054 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  CHSC100318  Phacelia mutabilis Lowell Ahart 2008-8-14 15194 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CHSC96852  Phacelia mutabilis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14044 Plumas East side of an open rocky flat, under pine trees, about 150 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  UC614676  Phacelia mutabilis L. Constance 1938-6-10 2313 Plumas Prattville Lake Almanor (w edge of lake) 1219 Comment
  JEPS28499  Phacelia mutabilis George W. Gillett 1957-7-23 889 Plumas Mt. Harkness Lassen Volcanic National Park (summit) 2446 Comment
  RSA88081  Phacelia mutabilis J. T. Howell 1951-6-26 27531 Plumas Near Rich Bar. 793 Comment
  CHSC76057  Phacelia procera G. F. Hrusa; T. D. Wilfred 1996-7-9 13193 Plumas Grizzly Campground, S of Bucks Lake on Hwy 162. [Original lat./long. on label is '39 52 N; 121 10 W']. 1600 Comment
  CHSC45938  Phacelia racemosa Lowell Ahart 1981-7-21 2984 Plumas By a large pile of crushed lava rock, on the south side of Cleghorn Bar Road, about 2 miles west of the Quincy Lap Porte Road, about 2 1/2 miles west of Pilot Peak. 1737 Comment
  CHSC24664  Phacelia vallicola Keith Lickey 1976-4-17 75 Plumas Hwy 70 at se entrance of Grizzly Dome Tunnel. Comment
  SEINET13709913  Phalaris arundinacea Lowell William Ahart, Lowell William Ahart 2001-1 9191 Plumas Near Strand of Lake Almanor, S of Jct. to Rd. to Last Chance Marsh and Poor Rd. to Causway of Hwy 36, 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  SEINET208633  Philadelphus californicus Lewis S. Rose 1967-7-9 67139 Plumas Caribou, North Fork, Feather River. 914 Comment
  CAS-BOT-BC77390  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas near Grizzly Dome tunnel on Highway 24 609 Comment
  RSA0046805  Philadelphus lewisii Patricia Wilder 1971-6-21 5141 Plumas 2.8 mi north of California State Hwy 70 on Prattville-Butt Reservoir Road between Belden and Caribou. Cascade - Sierra Nevada Mtn. Range. Drainage Area: Feather River North Fork. 762 Comment
  RSA0046808  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas Near Grizzly Dome tunnel on Highway 25. 610 Comment
  CAS-BOT-BC260846  Phleum pratense John Thomas Howell 1960-7-18 35509 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC260849  Phleum pratense John Thomas Howell 1961-6-21 36595 Plumas Greenville, Sierra Nevada 1097 Comment
  CHSC91948  Phleum pratense Lowell Ahart; Josephine Guardino 2005-8-10 12314 Plumas Small meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  RSA59338  Phleum pratense E. K. Balls 1950-9-8 15705 Plumas Lakes Center Public Campground 2043 Comment
  CHSC117488  Phlox douglasii Lowell Ahart 2016-6-29 21070 Plumas Top of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CDA18690  Phlox speciosa subsp. occidentalis G. D. Barbe, T. C. Fuller 1982-6-15 3697 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  CAS-BOT-BC60678  Phoenicaulis cheiranthoides Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake. Comment
  JEPS115164  Phoradendron libocedri Lowell Ahart, John Dittes 2009-7-15 16087 Plumas On Calocedrus decurrens, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  CHSC21721  Phyllodoce breweri F. T. Griggs; A. Pass 1975-7-23 249 Plumas Cape Lake. Comment
  CAS-BOT-BC78208  Pinus albicaulis E. K. Balls 1950-9-2 15653 Plumas slightly below Mt. Ingalls Lookout on south slope, north of Grizzly Valley; Lodgepole Pine Forest 2484 Comment
  NY34645  Pinus attenuata R. M. Austin 1880-1 s.n. Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
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May 15 2014
  CAS-BOT-BC78467  Pinus contorta subsp. murrayana M. B. Kildale 1926-9-10 2762 Plumas Juniper Lake, Lassen Natl. Park 2054 Comment
  CAS-BOT-BC78691  Pinus jeffreyi Elmer I. Applegate 1929-6-21 5815 Plumas Mt. Lassen region; Kelley's Camp, Warner Valley Comment
  JEPS104182  Pinus jeffreyi Lowell Ahart 2003-10-15 10634 Plumas On the n side of the road to Tamarack Flat, ca 1/8 mi w of the intersection of Lumpkin Ridge Rd and road to Tamarack Flat, ca 1 mi (air) nw of Little Grass Valley Reservoir dam, ca 4 mi (air) nw of La Porte. 1714 Comment
  SEINET9632808 Image available Pinus lambertiana Seville Flowers 1955-6-16 s.n. Plumas Near Crescent Mills; Sierra Nevada Mountains. 1554 Comment
  SEINET8060071 Image available Pinus monticola Joseph Andorfer Ewan 1934-7-16 8505 Plumas Bear Lake, Mt. Uwell trail above Bear Lake Comment
  CHSC101940  Pinus ponderosa var. ponderosa Lowell Ahart; John Dittes 2009-7-15 16084 Plumas On dry rocky soil, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  HSC1545  Pinus sabiniana W. R. Rogers 1965-8-20 297 Plumas Bulk Collection # 37 Comment
  CDA14706  Piperia unalascensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3210 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  CHSC50568  Piperia unalascensis L. P. Janeway 1990-7-2 3753 Plumas Plumas National Forest. Ca 100 ft west of Paradise Cr and ca 3/4 mi south of Little Grizzly Cr. 1889 Comment
  CHSC23681  Plagiobothrys cognatus K. Stern 1975-7-23 Plumas NW end of Lake Almanor. Comment
  UC127237  Plagiobothrys cognatus A. A. Heller 1907-7-2 8680 Plumas between Vinton and Beckwith Comment
  SEINET10497598  Plagiobothrys cognatus Mary Susan Taylor 1982-7-8 Taylor 4799 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  JEPS122172  Plagiobothrys cusickii Lowell Ahart 2014-8-20 19712 Plumas Near springs on the east edge of Lake Almanor, about 200 yards north of the causeway across Lake Almanor, about 1 1/4 miles east of Chester. Comment
  CAS-BOT-BC230982  Plagiobothrys hispidulus Walter Knight; et al. 1967-7-10 2124 Plumas The Butterfly Botanical Area and Vicinity. At spring 1127 Comment
  CAS-BOT-BC230991  Plagiobothrys hispidulus Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mount Lassen National Park Comment
  JEPS106146  Plagiobothrys hispidulus Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11056 Plumas On the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote 1777 Comment
  CAS-BOT-BC230963  Plagiobothrys hispidulus John Thomas Howell 1962-6-18 37819 Plumas Sierra Valley, 5 miles S of Beckwourth 1493 Comment
  CAS-BOT-BC230977  Plagiobothrys hispidulus D. E. Breedlove 1962-6-12 3435 Plumas Along State Highway 36, 6.9 miles W of Chester 1524 Comment
  CAS-BOT-BC228459  Plagiobothrys mollis John Thomas Howell 1926-7-30 2156 Plumas Prattville Comment
  RSA715606  Plagiobothrys tenellus L. Ahart, Richard Rabeler, L. P. Janeway, L. Hanson 2005-4-20 11749 Plumas On the N side of Hwy 70, about 1/8 mile E of Chambers Creek, about one mile NE of Indian Jim Campground. 630 Comment
  CAS-BOT-BC228456  Plagiobothrys torreyi Alice Eastwood 1927-6-27 14432 Plumas United States Forest Reserve. On road from Chilcott Comment
  POM147053  Plagiobothrys torreyi Alice Eastwood 1927-06 s.n. Plumas On road from Chilcott, United States Forest Reserve Comment
  JEPS102644  Plantago major Lowell Ahart 2001-8-28 9207 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  JEPS113428  Plantago major Lowell Ahart, John Dittes 2007-6-17 14183 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  SD7905  Platanthera dilatata var. leucostachys Mrs. R. M. Austin 1880-1 Plumas No further locality information on label on specimen sheet. Comment
  CHSC51028  Platanthera leucostachys Lowell Ahart 1990-7-16 6570 Plumas Along the edge of the South Fork of the Feather River, about 1/2 mile north-east of the Independence Mine, about 3 1/2 miles north-east of Little Grass Valley Reservoir. 1828 Comment
  CHSC6556  Platanthera leucostachys R. Carter 1966-7-10 477 Plumas Found 1 mi. N. Bucks Summit on W side Oroville-Quincy Rd., ca. 12 mi. W of Quincy. 1615 Comment
  JEPS115085  Platanthera leucostachys Lowell Ahart, John Dittes 2009-7-13 16049 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  JEPS64417  Platanthera leucostachys R. H. Platt 1891-1 Plumas near Prattville; Mtt. Sierras Comment
  UC367023  Platanthera leucostachys J. G. Lemmon and wife Aug 1883 Plumas Indian Valley, n California Indian Valley Comment
  CHSC116343  Platanthera leucostachys J. R. Keck Jr. 1978-6-30 PDR 330062 Plumas Snake Lake near Quincy. Comment
  RSA101489  Platanthera leucostachys R. Weatherby 1955-6-26 1558 Plumas Near Lakes Ranger Station, Lakes Basin. 1982 Comment
  SJSU4144  Plectritis macrocera C. W. Sharsmith & W. Savage 1967-5-20 7513 Plumas near S base of the Buttes c. 7 mi W of Vinton, Sierra Valley 1524 Comment
  CAS-BOT-BC254612  Poa X limosa John Thomas Howell 1962-6-18 37756 Plumas Sierra Valley near Beckwourth, 2 miles W of Beckwourth on Highway to Portola 1487 Comment
  CHSC44584  Poa bolanderi Lowell Ahart 1977-7-26 1499 Plumas Along the logging road to Bunker Hill Creek, about 1/2 mile north-east of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CHSC87989  Poa bolanderi Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11155 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  UC1137636  Poa bolanderi R. W. Saarni 1939-6-24 142 Plumas 4 mi w Summit Inn (on Deer Creek Rd); Bidwell Bar Quadrangle 1584 Comment
  CAS-BOT-BC254971  Poa bulbosa John Thomas Howell 1961-6-21 36676 Plumas Greenville 1097 Comment
  CHSC100880  Poa bulbosa L. P. Janeway; B. Castro 2008-6-8 9398 Plumas Northern High Sierra Nevada. Northeast side of middle of Lower Thompson Valley, about 1.8 km north of Red Clover Creek and about 10 m northeast of the Thompson Valley Creek. 1670 Comment
  CHSC97605  Poa bulbosa Lowell Ahart; John Dittes 2007-6-16 14115 Plumas East of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  UCSB45753  Poa bulbosa Reisentz, Paul 1979-5-11 Plumas Injun Jim Campground, 6.7 miles south of Beldon on Highway 70 Comment
  SEINET10836232  Poa bulbosa Mary Susan Taylor 1981-5-11 Taylor 3684 Plumas T25N R12E sw/nw sec 6. Genesee Valley quad. Weeds around private home, ca. 0.5 mi S of Flournoy Bridge and jct of Hwy 89 and Beckwourth turnoff, ca. 4 air me E of Genesee. 3800 ft. 1158 Comment
  CAS-BOT-BC255103  Poa compressa John Thomas Howell 1959-9-24 34899 Plumas Crescent Mills 1066 Comment
  JEPS113802  Poa compressa Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14030 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  CAS-BOT-BC255127  Poa cusickii A. A. Heller; P. B. Kennedy 1907-7-5 8751 Plumas Red Clover Valley Comment
  UC578634  Poa cusickii subsp. cusickii E. Sawyer 1935-6-27 187 Plumas 1.6 mi ne Grizzly Peak; Downieville Quadrangle 1767 Comment
  CAS-BOT-BC255145  Poa cusickii subsp. epilis Mrs. H. C. Cantelow 1941-5-19 s.n. Plumas Near Frenchman Creek NE of Beckwourth 1828 Comment
  CHSC73541  Poa leptocoma subsp. leptocoma H. Durio 1995-8-17 Plumas Mosquito Flat Meadow. Ca 2.5 air mi S of Bucks Lake, and ca 0.1 mi S of the 'Mosquito Flat' area on maps. Meadow on Mosquito Creek, S of USFS Rd 23N57 as it heads E, ca 0.6 mi SE of its jcn with Rd 23N18. In main meadow. 1676 Comment
  CAS-BOT-BC246853  Poa nemoralis John Thomas Howell 1977-6-21 52386 Plumas Seneca 1097 Comment
  CAS-BOT-BC247275  Poa palustris John Thomas Howell 1960-8-20 36277 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC247281  Poa palustris L. P. Janeway 1991-8-4 4120 Plumas Plumas National Forest, Beckwourth Ranger District. Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Bagley Pass, 1/2 mi south of Red Clover Creek at west end of Red Clover Valley 1691 Comment
  RSA201374  Poa palustris J. T. Howell 1960-8-20 36277 Plumas Drakesbad 1677 Comment
  SEINET7850458  Poa pratensis W. Harnach, N. Harnach 1991-6-21 561 Plumas Sierra Valley, 0.5 miles S of Beckwourth, next to R/R bridge east of Co. Rd. A-23. 1487 Comment
  UCD91820  Poa pratensis A. A. Beetle 1941-6-28 2768 Plumas west side of Lake Almanor. 1828 Comment
  SEINET10836180  Poa pratensis Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4655 Plumas T27N R12E sw/nw sec 12. Antelope Lake quad. In wet Montane Mdw, Pioneer Mdw, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. 5040 ft. 1536 Comment
  CHSC94239  Poa pratensis subsp. pratensis Lowell Ahart 2006-7-9 12925 Plumas Small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  UC1132703  Poa pratensis subsp. pratensis G. T. Nordstrom 1934-7-9 207 Plumas 1 1/4 mi se Mt Ararat; Plumas Nat'l Forest, Bidwell Bar Quadrangle 1584 Comment
  CHSC52972  Poa secunda L. P. Janeway 1989-6-16 3331 Plumas Plumas National Forest. NE slopes of Crocker Mtn facing Red Clover Valley. 1828 Comment
  RSA129252  Poa secunda E. Sawyer 1936-6-25 153 Plumas 1.5 miles E. of Crow 1677 Comment
  UCD90271  Poa secunda A. A. Beetle 1941-6-28 2770 Plumas West side of Lake Almanor. 1828 Comment
  CAS-BOT-BC236280  Poa secunda subsp. juncifolia David D. Keck 1944-7-8 5420 Plumas Feather River Inn, Mohawk Valley, Middle Fork Feather RIver 1356 Comment
  UC579310  Poa secunda subsp. juncifolia E. Sawyer 1935-6-25 153 Plumas 1 1/2 mi e Crow; Plumas Nat'l Forest, Sierraville Quadrangle 1676 Comment
  CAS-BOT-BC242959  Poa secunda subsp. secunda A. A. Beetle 1941-6-28 2794 Plumas 10 miles W of Chester, route 36, mountain meadow near small stream Comment
  CAS-BOT-BC242971  Poa secunda subsp. secunda A. A. Heller; P. B. Kennedy 1907-7-3 8706 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC242985  Poa secunda subsp. secunda John Thomas Howell 1975-6-16 51151 Plumas 2 miles NW of Spring Garden 1173 Comment
  SEINET7862572  Poa secunda subsp. secunda W. Harnach, N. Harnach 2000-5-20 888 Plumas Sierra Valley, Approx 2.5 road miles N of Sierra/Plumas Co. line on A23, midway between County Rd A-23 and the Sharkey Cemetery. 1512 Comment
  UC1132760  Poa secunda subsp. secunda E. Sawyer 1935-5-28 49 Plumas 3 1/4 mi ese Grizzly Peak; Sierraville Quadrangle Comment
  SEINET7294133 Image available Poa secunda subsp. secunda Lewis S. Rose 1954-1 54078 Plumas Beckwourth, desert slopes 1524 Comment
  SEINET7864987  Poa secunda var. secunda W. Harnach, N. Harnach 1990-5-12 291 Plumas Sierra Valley, Wilson brothers ground, South of Marble Lane on Co. Road, A-23 1515 Comment
  CAS-BOT-BC6511  Poa sierrae John Thomas Howell; Gordon H. True 1967-5-9 42204 Plumas Feather River Canyon, 3.5 mi SW of Belden, Lewisia Rock 609 Comment
  SEINET10496721  Polemonium micranthum Mary Susan Taylor 1982-5-7 Taylor 4413 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, near an oxbow lake, ca. 1/4 mi e of Hwy 109, ca. 0.5 mi sw of Beckwourth. Sagebrush Scrub. 4800 ft. 146 Comment
  POM104588  Polygonum amphibium var. stipulaceum Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CHSC76805  Polygonum aviculare L. P. Janeway 1997-9-29 5364 Plumas Along Soda Creek 0.1 mi north of Hwy 70 and East Branch North Fork Feather River. Common along edge of dirt road. 944 Comment
  CAS-BOT-BC414046  Polygonum aviculare subsp. aviculare Clare B. Hardham 1970-8-9 17716 DD Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC414049  Polygonum aviculare subsp. aviculare M. S. Taylor 1982-9-13 5134 Plumas Ramelli Ranch, under Calpine Rd (109) bridge over Feather River, ca. 1 mi w of Beckwourth 1487 Comment
  CAS-BOT-BC414220  Polygonum aviculare subsp. depressum John Thomas Howell 1961-9-22 36808 Plumas Greenville 1088 Comment
  CAS-BOT-BC414547  Polygonum douglasii Anna Head 1921-8-10 s.n. Plumas Lake Center Camp, Feather River Region Comment
  RSA518873  Polygonum douglasii Barbara J. Ertter 1988-7-25 7847 Plumas Diamond Mts, 12 air miles SSW of Susanville, Snoring Springs, 1/2 mile N of Diamond Mt Greenville Red Rock jct 1982 Comment
  CHSC108467  Polygonum douglasii subsp. douglasii Lowell Ahart 2011-9-17 17669 Plumas About 100 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 80 yards south of the paved road, about 1/8 miles west of Little Grass Valley Reservoir. 1645 Comment
  CHSC30933  Polygonum douglasii subsp. douglasii M. S. Taylor; W. Dakon, T. Griggs 1980-9-27 3351 Plumas In mud along Grizzly Creek, s side of Bucks Lake-Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca. 20 mi sw of Quincy. 1524 Comment
  CHSC92182  Polygonum douglasii subsp. douglasii Lowell Ahart; John Dittes 2005-9-19 12403 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1989 Comment
  CHSC62486  Polygonum douglasii subsp. spergulariiforme L. P. Janeway 1993-9-23 4602 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; ca 3.7 mi south of Middle Fork Feather River. Top of low ridgeline. 1498 Comment
  UC466086  Polygonum douglasii subsp. spergulariiforme Katharine Brandegee Plumas Portola Comment
  RSA0105473  Polygonum minimum Lowell Ahart 2014-8-31 19800 Plumas In and along the sides of Black Rock Creek, about 200 yards south of the foot bridge across Black Rock Creek, about 200 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC87820  Polygonum parryi Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11014 Plumas Road edge, on the north side of the logging road, about 3 3/4 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1357 Comment
  JEPS115129  Polygonum persicaria Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16238 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  JEPS48671  Polygonum phytolaccifolium Esther C. Fritz 1933-7-28 Plumas Schneider meadow Camp Califorest (below camp) 1188 Comment
  CHSC97575  Polygonum polygaloides subsp. confertiflorum Lowell Ahart; John Dittes 2007-6-17 14203 Plumas Gravel bar along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  UC570301  Polygonum polygaloides subsp. confertiflorum E. Sawyer 1935-6-27 161 Plumas Charlies Valley Plumas National Forest, Sierraville Quadrangle 1524 Comment
  UC965537  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1952-7-17 14389 Plumas Beckwourth Sierra Valley Comment
  CAS-BOT-BC419890  Polygonum polygaloides subsp. confertiflorum W. Harnach; N. Harnach 1990-5-25 323 Plumas Sierra Valley. Marble lane, approx 3/4 mile west of bridge. 1485 Comment
  UC1111532  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-6-21 14700 Plumas vernal pool e Beckwourth Butte; Sierra Valley Comment
  CAS-BOT-BC420058  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1962-6-18 37805 Plumas Sierra Valley, near Beckwourth 1487 Comment
  CAS-BOT-BC420213  Polygonum sawatchense subsp. sawatchense Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi W of Pilot Pk. Ca 1/4 mi S of Onion Valley and above road. 1800 Comment
  CAS-BOT-BC72271  Polystichum imbricans subsp. curtum John Thomas Howell 1959-9-21 34743 Plumas Belden 701 Comment
  UC123291  Polystichum imbricans subsp. imbricans Mrs. R. M. Austin Aug, 1876 309 Plumas Mill Creek Comment
  UC123318  Polystichum imbricans subsp. imbricans Mrs. R. M. Austin 1875-1 310 Plumas Soda Springs Comment
  UCD159709  Polystichum scopulinum G. Ledyard Stebbins 1970-7-24 7074 A Plumas Base of ridge northwest of Round Lake, Lakes Basin south of Gray Eagle. (Exact location unknown. Coordinates estimated by label maker.) 2133 Comment
  CAS-BOT-BC72505  Polystichum scopulinum Wayne Dakan 1974-8-25 s.n. Plumas Devils Punch Bowl Comment
  CAS-BOT-BC102759  Populus tremuloides Anna Head 1920-7-15 s.n. Plumas Gold Lake, Feather River Region 1981 Comment
  SEINET10539162  Populus tremuloides Mary Susan Taylor 1981-7-27 Taylor 4124 Plumas T25N R12E SW 1/4 NE 1/4 sec 25. Grizzly valley quad. Along spring crossing. Beckworth-Genesse Rd., between Crystal and Meadow Creeks, ca. 2 mi S of Notson Bridge, ca. 17 air mi NE of Blairsden. 5700 ft. 1757 Comment
  CAS-BOT-BC105582  Populus trichocarpa John Thomas Howell 1960-7-19 35701 Plumas Drakesbad - Lassen Volcanic National Park 1828 Comment
  RSA59907  Populus trichocarpa E. K. Balls 1950-9-14 15822 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  SEINET10349453  Populus trichocarpa D. Nyquist 1960-5-20 34 Plumas Quincy. Comment
  SEINET10460764  Porterella carnosula H. E. Brown Brown 615 Plumas Near Lassen Buttes 1829 Comment
  CHSC102307  Portulaca oleracea Lowell Ahart; John Dittes 2009-9-7 16389 Plumas Below the high wate line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 5220 Comment
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Dec 18 2016
  CHSC24276  Potamogeton foliosus K. R. Stern 1975-7-25 Plumas NW end of Lake Almanor. Comment
  RSA52943  Potamogeton foliosus R. Weatherby 1950-7-28 1492 Plumas Snake Lake, near Quincy. 1220 Comment
  JEPS102522  Potamogeton foliosus var. foliosus Lowell Ahart 2001-9-18 9280 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1761 Comment
  CAS-BOT-BC453709  Potamogeton illinoensis R. F. Thorne; C. W. Tilforth 1969-9-6 39250 Plumas Along Feather River; 1 mi. SW of Beckwourth. 1356 Comment
  CAS-BOT-BC453785  Potamogeton natans L. P. Janeway; Garrett Gibson 1991-7-21 4081 Plumas Plumas National Forest, Beckwourth Ranger District. Grizzly Creek at Oldhouse Creek confluence. 1764 Comment
  JEPS102521  Potamogeton richardsonii Lowell Ahart 2001-9-18 9286 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1758 Comment
  CAS-BOT-BC141667  Potentilla flabellifolia Anna Head 1921-7-25 s.n. Plumas Meadows above Long Lake - Feather River Basin Comment
  SD129309  Potentilla glandulosa B. Pitzer, S. Morgan, H. Soldan 1988-5-29 955 Plumas Plumas National Forest, ca. 6 mi. N of Gold Lake on Gold Lake Road, and 2.6 mi. S of junction with Hwy 89 1829 Comment
  SD8450  Potentilla gracilis var. fastigiata Daniel Cleveland 1882-7-20 Plumas Prattville Comment
  SEINET784445  Potentilla gracilis var. fastigiata Joseph Andorfer Ewan 1934-7-19 8245 Plumas Sierra Nevada, growing with 8243 and possibly only variant of it 1615 Comment
  CHSC110301  Potentilla millefolia B. Castro; L. P. Janeway 2006-6-3 1569 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.1 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1674 Comment
  CHSC70042  Potentilla millefolia L. P. Janeway 1997-5-14 5119 Plumas Crocker Meadow; west side of Beckwourth-Genesee Road about 0.3 mi south of Crocker Guard Station and Campground. 1749 Comment
  UC725796  Potentilla millefolia A. A. Heller 1907-7-3 8691 Plumas Red Clover Valley 1676 Comment
  SEINET6637079  Potentilla millefolia A. A. Heller, P. B. Kennedy 1907-7-3 8691 Plumas Red Clover Valley Comment
  UC1564759  Potentilla palustris V. Oswald, L. Ahart, and L. Hanson 1989-7-31 3902 Plumas 0.5 mi (air) w Fowler Pk (6.5 mi (air) n of La Porte, lake at the headwaters of Fowler Creek (Slate Creek)); lake at headwaters Fowler Creek, Slate Creek, w of Fowler Pk 1670 Comment
  CDA33857  Potentilla recta Tim Gibson 2010-10-22 PDR# 1409546 Plumas Plumas County Fairgrounds near Lee Road. 0 Comment
  CHSC102386  Poteridium annuum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16126 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC45199  Poteridium annuum Lowell Ahart 1981-7-21 2972 Plumas Along the edge of Cleghorn Bar Road, about 1 1/2 miles west of the Quincy La Porte Road, about 2 air miles west of Pilot Peak. 1737 Comment
  CHSC53218  Poteridium annuum L. P. Janeway 1989-6-15 3326 Plumas Plumas National Forest. Along the rd into Jackson Cr campground; cyn of Middle Fk Feather River. 1371 Comment
  UC723804  Primula suffrutescens Joseph Andorfer Ewan 1934-7-16 8507 Plumas s shore Long Lake (Mt. Elwell region); , s shore Long Lake 2072 Comment
  SD6889  Prunella vulgaris Daniel Cleveland Jul 1882 Plumas Big Meadows Comment
  CHSC52059  Prunella vulgaris var. lanceolata L. P. Janeway 1990-7-6 3780 Plumas Plumas National Forest. About 200 ft east of Paradise Creek about 3/4 mi south of Little Grizzly Creek. 1889 Comment
  JEPS115082  Prunella vulgaris var. lanceolata Lowell Ahart, John Dittes 2009-7-13 16042 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC159820  Prunus andersonii John Thomas Howell 1962-6-19 37879 Plumas Beckwourth Pass 1584 Comment
  CAS-BOT-BC158132  Prunus emarginata M. S. Taylor 1982-5-25 4531 Plumas Jct of Peoria Creek Rd (23N10) and Cold Water Creek, 2.5 mi n of its jct with Nelson Creek, ca. 4 air mi sw of Sloat 1463 Comment
  CAS-BOT-BC158147  Prunus emarginata Elmer I. Applegate 1929-6-21 5797 Plumas Warner Valley, Mt. Lassen region Comment
  RSA60137  Prunus emarginata E. K. Balls 1950-9-5 15679 Plumas Main trail Thompson Creek, off La Porte Road, off Hwy 24, e. of Quincy. Comment
  SEINET7346795  Prunus emarginata C. N. Saulisberry 1949-5-28 s.n. Plumas Feather River Canyon, near Keddie Comment
  CHSC37657  Prunus virginiana var. demissa T. B. Devine 1981-8-28 760 Plumas On S side of Caribou Road; ca. 4 mi from junction with Hwy 70 along the E branch of the N Fork of Feather River. 853 Comment
  JEPS102525  Prunus virginiana var. demissa Lowell Ahart 2001-8-28 9212 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  CAS-BOT-BC356963  Pseudognaphalium canescens John Thomas Howell 1976-7-16 51880 Plumas Spanish Creek near mouth of Slate Creek 1066 Comment
  JEPS8018  Pseudognaphalium thermale Rimo Bacigalupi with Lawrence R. Heckard 1951-8-8 3479 Plumas 1.3 mi e, along Highway 36 Chester; Mud Creek Valley, California State Highway 36 1380 Comment
  JEPS87622  Pseudostellaria jamesiana Lowell Ahart 1994-7-7 7452 Plumas about 3/4 mi (air) se Pilot Peak (on Bunker Hill Ridge, on n side of Pacific Crest Trail); n side of Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  UC1950074  Pseudostellaria jamesiana Barbara Ertter 2001-7-21 17785 Plumas southeast Diamond Mountains northeast of Frenchman Lake, northease slope of rhyolite plug (area otherwise granite), between Galeppi Creek and Spring Creek Comment
  CAS-BOT-BC80160  Pseudotsuga menziesii Walter Knight; Irja Knight 1966-9-12 1726 Plumas Rubble Gap 1127 Comment
  JEPS115099  Pseudotsuga menziesii var. menziesii Lowell Ahart, John Dittes 2009-7-13 16058 Plumas East side of Forest Service Road 27lN98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC361738  Psilocarphus brevissimus var. brevissimus Mrs. H. C. Cantelow 1940-5-10 s.n. Plumas W. of Bucks Lake Comment
  HSC93539  Psilocarphus oregonus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3184 Plumas Mt. Hough-Crystal Lake Rd. at junction of Howells Rd. to Tollgate Creek, 2.5 mi. NE of Quincy junction 1280 Comment
  CHSC65378  Pterospora andromedea Lowell Ahart 1995-9-13 7632 Plumas In the forest on the north side of Onion Valley, east of Quincy-La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC97262  Pterospora andromedea Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14478 Plumas About 120 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  UCD91537  Puccinellia distans John Thomas Howell 1955-7-19 30803 Plumas Vinton. 1505 Comment
  CAS-BOT-BC147874  Purshia tridentata var. tridentata Anna Head 1920-7-16 s.n. Plumas Peak above Round Lake, Feather River Region 2286 Comment
  JEPS107603  Purshia tridentata var. tridentata Lowell Ahart, Josephine Guardino 2005-8-10 12308 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  RSA59424  Purshia tridentata var. tridentata E. K. Balls 1950-9-2 15660 Plumas S slope of Mt. Ingalls below turnoff to Nye Valley. 2104 Comment
  RSA7874  Purshia tridentata var. tridentata H. A. Barker 1927-7-1 758 Plumas Blairsden 1372 Comment
  CHSC33882  Pyrola aphylla M. S. Taylor 1981-7-21 4078 Plumas NE corner of jct 25N42 and 401, e and above Squirrel Creek, ca. 3 air mi n of Spring Garden. 1371 Comment
  CAS-BOT-BC460825  Pyrola aphylla John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2412 Plumas Sierra Nevada: Butterfly Botanical Area. Beargrass glade Comment
  JEPS58854  Pyrola asarifolia H. L. Mason 1924-6-26 Plumas Blairsden Comment
  JEPS87738  Pyrola asarifolia subsp. asarifolia Lowell Ahart 1994-6-17 7350 Plumas ca. 1 mi. e. Sly Creek Reservoir (e. side of Sly Creek, ca. 1 mi. n. of Schwartz Meadow); Sly Creek 1097 Comment
  SEINET11990953  Pyrola asarifolia var. purpurea W. Knight, Knight, I. 1983-1 4935 Plumas Lassen Volcanic National Park, across road from Drakesbad Ranger Station 1646 Comment
  CHSC21347  Pyrola picta F. T. Griggs; A. Pass 1975-7-2 36 Plumas East of road. Comment
  CHSC76053  Pyrola picta G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3238 Plumas Mt. Hough-Crystal Lake Road, 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  RSA0083323  Pyrola picta Lyman Benson 1932-7-29 4010 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  JEPS100325  Pyrrocoma carthamoides var. cusickii Dean W. Taylor 2001-7-12 17832 Plumas Diamond Mountains; Last Change Creek north of Frenchman Lake, along Forest Road 25N70 about 0.4 miles East from County Road 176 1725 Comment
  CHSC36943  Pyrrocoma lanceolata var. lanceolata M. S. Taylor 1982-9-13 5138 Plumas Ramelli Ranch, near Calpine Rd (109) bridge over Feather River, s side of the river, ca. 1 mi w of Beckwourth. 1487 Comment
  CAS-BOT-BC362287  Pyrrocoma lanceolata var. lanceolata W. Harnach; N. Harnach 1990-7-29 487 Plumas Sierra Valley. At the gate to the old Pat Nobel ranch 1490 Comment
  CAS-BOT-BC494116  Pyrrocoma lanceolata var. lanceolata W. Harnach; N. Harnach 2000-8-2 974 Plumas Sierra Valley. 3/4 mi E of A-23 on Marble Lane at the hot wells 1490 Comment
  CHSC65802  Pyrrocoma lucida L. P. Janeway 1993-8-10 4511 Plumas Plumas National Forest. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. 1487 Comment
  UCR57894  Pyrrocoma lucida R. D. Goeden, Don W. Ricker 1989-8-22 890822- 5 Plumas Northern Sierra Nevada Mtns., Plumas National Forest, Frenchman Lake 1704 Comment
  UCD135402  Pyrrocoma racemosa M. S. Taylor 1982-8-27 5044 Plumas Southwest corner of jct of Hwy 70 and road to Loyalton, in Vinton. 1493 Comment
  SFV17673  Quercus chrysolepis J. M. Tucker 1948-7-25 1736 Plumas Sierra Nevada Summit of "Lava Cap," about 1 mile south of Cascade. 1436 Comment
  UC1583942  Quercus chrysolepis G. Schoolcraft 1990-5-17 2056 Plumas about 1 mi w Crescent Mills 1463 Comment
  RSA88599  Quercus durata J. T. Howell 1951-6-26 27532 Plumas Near Rich Bar. 793 Comment
  UCD45885  Quercus durata var. durata John Thomas Howell 1959-9-21 34792 Plumas El. 2500 feet, Plumas County. 762 Comment
  RSA88598  Quercus garryana var. semota J. T. Howell 1951-6-26 27548 Plumas Feather River Canyon 854 Comment
  UCD47416  Quercus vacciniifolia John Thomas Howell 1960-7-17 35500 Plumas Dry rocky wooded slope, Drakesbad, Plumas County. 1676 Comment
  UCR106823  Quercus vacciniifolia J. M. Tucker 1948-7-25 1749 Plumas c. 3/4 mi west of United Mining Co. mine on SW side of Carmel Peak 1555 Comment
  UCSB65469  Quercus vacciniifolia Tucker, John 1948-7-25 Plumas Ca. 3/4 mi. west of United Mining Co. mine on southwest side of Camel Peak 1554 Comment
  CAS-BOT-BC362686  Raillardella argentea Lowell Ahart 1981-7-21 2955 Plumas Buzzards Roost Ridge, north of PIlot Peak 2000 Comment
  CHSC21026  Ranunculus alismifolius var. alismellus F. T. Griggs; A. Pass 1975-7-10 144 Plumas Buck's Lake. Comment
  CAS-BOT-BC379372  Ranunculus alismifolius var. alismifolius L. P. Janeway 1992-5-14 4175 Plumas north side of Big Grizzly Creek at northwest end of Lake Davis 1765 Comment
  SEINET8695949  Ranunculus andersonii var. andersonii W. Harnach 1990-3-31 254 Plumas Sierra Valley, W side of volcanic knob to the W of County Road A-23 near Marble Lane (Land belong to Wilson brothers and for sale at present). 1515 Comment
  JEPS55182  Ranunculus californicus W. L. Jepson 1910-6-5 4068 Plumas Warner Valley; creek flats 1524 Comment
  CHSC81144  Ranunculus cymbalaria var. saximontanus Lowell Ahart 2001-8-29 9239 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SEINET10535969  Ranunculus flammula var. ovalis Mary Susan Taylor 1981-9-3 Taylor 4270 Plumas California: T26N R9E nw1/4 of sw1/4 sec 15. Greenville SW quad. N tip of Round Valley Reservoir by road 204, ca. 3 air mi S of Greenville. Plumas County. 4500 ft. 1372 Comment
  CDA14712  Ranunculus occidentalis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3225 Plumas Rhinehart Meadow, Mt. Hough-Crystal Lake Road 1.0 mile south of China Grade Road (to Taylorsville). 1676 Comment
  RSA147071  Ranunculus occidentalis var. ultramontanus Alice Eastwood 1927-6-12 14497 Plumas Forest Lodge, Greenville. Comment
  UC118226  Ranunculus orthorhynchus var. orthorhynchus T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  SEINET12091404  Ranunculus uncinatus I. Knight, Knight, W. 1983-1 4924 Plumas on road between Chester and Drakesbad Comment
  UC870866  Rhamnus Mrs. E. C. Sutliffe Aug 1917 Plumas near Blairsden Comment
  SD10097  Rhamnus alnifolia Mrs. R. M. Austin 1879-1 Plumas Big Spring, Big Meadows 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
  JEPS48674  Rhamnus purshiana Esther C. Fritz 1933-7-25 Plumas Meadow Valley 1158 Comment
  POM186836  Rhamnus purshiana D. D. Keck 1932-7-3 1647 Plumas Hillside S of town, Spruce yellow pin forest. 1189 Comment
  JEPS41962  Rhamnus rubra W. L. Jepson 1918-8-16 8004 Plumas Engels Lights Creek 1341 Comment
  RSA517191  Rhamnus rubra J. T. Howell 1975-6-16 51134 Plumas Transition zone coniferous forest, 2 miles NW of Spring Garden 1174 Comment
  UC1121935  Rhamnus rubra E. Nourse 1934-8-9 8 Plumas 1.5 mi wsw of Clermont Hill; Plumas National Forest, Downieville Quad. 1828 Comment
  UC1408962  Rhamnus rubra R. F. Thorne and C. W. Tilforth 1969-9-6 39225 Plumas ca 2.5 mi s Graeagle (on Gold Lake Road) 1645 Comment
  CAS-BOT-BC56574  Rhododendron columbianum Lewis S. Rose 1969-6-24 69052 Plumas Butterfly Valley, 5 mi. west of Keddie 1310 Comment
  CDA17244  Rhododendron neoglandulosum G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16271 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CHSC91701  Rhododendron neoglandulosum G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16271 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: bog area. 1158 Comment
  CHSC81938  Rhynchospora capitellata L. P. Janeway 2001-7-5 7416 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 Comment
  RSA97475  Ribes aureum Beecher Crampton 1954-5-11 1884 Plumas Five miles south of Vinton. Comment
  CAS-BOT-BC92391  Ribes aureum var. aureum Mary Strong Clemens 1920-5-31 s.n. Plumas Greenville. Comment
  CHSC52954  Ribes cereum var. cereum L. P. Janeway 1989-6-20 3353 Plumas Plumas National Forest. Beckwourth Ranger District. East-facing slope near top of Crocker Mtn overlooking Red Clover Valley. 2194 Comment
  JEPS113369 Image available Ribes cereum var. cereum Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13985 Plumas East side of an open rocky flat, 70 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  CHSC54489  Ribes inerme var. inerme Vernon H. Oswald; Lowell Ahart 1991-7-30 4798 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. 1310 Comment
  CAS-BOT-BC168856  Ribes inerme var. klamathense David D. Keck 1932-7-3 1653 Plumas Meadow south of Spanish Creek, Quincy, Northern Sierra Nevada 1066 Comment
  RSA0023142  Ribes nevadense Louis C. Wheeler 1959-7-15 7569 Plumas Middle Fork Feather River: McCarty Mine, McCarty Bar. Comment
  LA205501  Ribes roezlii Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  SEINET5339777  Ribes roezlii L. Miller 1929-6-12 s.n. Plumas 5 miles SW of Blairsden Comment
  CHSC54400  Ribes viscosissimum var. hallii Vernon H. Oswald 1991-6-12 4659 Plumas Lassen Volcanic National Park. Access road near Terminal Geyser. 1786 Comment
  CHSC36917  Rigiopappus leptocladus M. S. Taylor 1982-6-10 4623 Plumas S side of 23N72, 1/2 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. 1645 Comment
  SEINET10480671  Rorippa Mary Susan Taylor 1982-8-30 Taylor 5076 Plumas T27N R11E sw sec 35. Kettle Rock quad. S end of Taylor Lake, ca. 6 air mi ne of Taylorsville. Riparian edge of Montane Coniferous Forest; 6900 ft. 2103 Comment
  CDA18592  Rorippa curvisiliqua G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3273 Plumas Sierra Nevada; 1.3 miles below Mt. Hough summit, returning to junction with China Grade. 2042 Comment
  POM273410  Rorippa curvisiliqua Lyman Benson 1932-7-29 4002 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  UC1037329  Rorippa curvisiliqua Leo Whitney 1934-8-8 1949 Plumas ca 10 mi nw Portola (3 mi e of the Cate Place); Plumas National Forest, Big Grizzley Valley 1828 Comment
  CAS-BOT-BC74628  Rorippa curvisiliqua John Thomas Howell 1961-9-23 36873 Plumas Sierra Nevada. Cooks Creek near Engelmine. 1082 Comment
  CHSC95017  Rorippa curvisiliqua var. orientalis Lowell Ahart 2006-10-23 13476 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CAS-BOT-BC146373  Rosa W. Harnach; N. Harnach 1990-6-27 422 Plumas Sierra Valley. Ramelli Ranch (USFS), between river and R/R 1487 Comment
  CHSC87621  Rosa bridgesii Lowell Ahart; John Dittes, Josephine Guardino 2004-5-24 10953 Plumas On the southeast side of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1251 Comment
  CHSC87999  Rosa bridgesii Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11174 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2053 Comment
  CAS-BOT-BC148165  Rosa gymnocarpa John Thomas Howell 1959-9-24 34932 Plumas Butterfly Creek near mouth - Sierra Nevada Comment
  CHSC81404  Rosa gymnocarpa Lowell Ahart 2001-9-18 9270 Plumas South of the Darlingtonia Bog and east of the dirt road, Butterfly Valley, about 5 miles (air) northwest of Quincy. 1112 Comment
  RSA101400  Rosa gymnocarpa R. Weatherby 1955-7-21 1644 Plumas Near jct of McCarthy Bar Road and 4th Water Bear Creek Road. Near Bottle Springs, Middle Fork Feather River. 1616 Comment
  SEINET8723616 Image available Rosa gymnocarpa H. S. Reed 1941-1 s.n. Plumas Forest Lodge. Altitude ca. 3400 feet, Plumas County. 1036 Comment
  CAS-BOT-BC147044  Rosa pisocarpa John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2453 Plumas Butterfly Creek Canyon 975 Comment
  SDSU9230  Rosa pisocarpa R. M. Beauchamp 1965-7-17 Plumas 0.5 mile N of Chester. Comment
  CAS-BOT-BC149730  Rosa woodsii subsp. ultramontana Alice Eastwood 1927-6-12 14508 Plumas Forest Camp, Greenville, United States Forest Reserve Comment
  JEPS102528  Rosa woodsii var. ultramontana Lowell Ahart 2001-8-29 9226 Plumas Near Ramelli Creek, a branch of Little Last Chance Creek, about 3 miles (air) north of Frenchman Lake. 1737 Comment
  UCD113799  Rubus leucodermis Robbins; Raynor 1943-6-1 s.n. Plumas Belden. Comment
  RSA609439  Rubus parviflorus Louis C. Wheeler 1958-7-30 7349 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  UC1128624  Rubus parviflorus F. W. Embree 1934-6-6 69 Plumas s slope Bucks Mountain; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  UCD113864  Rubus parviflorus James I. Mallory 1969-8-21 361 Plumas 1.5 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  SEINET7705863  Rubus parviflorus H. Hamlin 1904-1 s.n. Plumas Sierra Valley Comment
  CDA14689  Rumex acetosella G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3159 Plumas Long Valley, 0.4 mile south of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CHSC97586  Rumex acetosella Lowell Ahart; John Dittes 2007-6-17 14206 Plumas Gravel bar along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CAS-BOT-BC422037  Rumex acetosella W. Harnach; N. Harnach 1990-6-13 375 Plumas Sierra Valley. Ramelli Ranch (USFS). 1487 Comment
  CAS-BOT-BC422042  Rumex acetosella Lewis S. Rose 1968-6-10 68092 Plumas Quincy 1036 Comment
  CAS-BOT-BC433317  Rumex crispus John Thomas Howell 1960-7-18 35528 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC81141  Rumex fueginus Lowell Ahart 2001-8-28 9216 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CHSC82125  Rumex fueginus L. P. Janeway 2001-7-25 7386 Plumas High Cascade Range. Southwest side of Lake Almanor, below high water line, about 100 m out; near Hwy 89 2.3 km north-northwest of Almanor West Road. 1372 Comment
  JEPS122171  Rumex fueginus Lowell Ahart 2014-8-20 19713 Plumas Near springs on the east edge of Lake Almanor, about 200 yards north of the causeway across Lake Almanor, about 1 1/4 miles east of Chester. Comment
  CHSC102669  Rumex maritimus Lowell Ahart; John Dittes 2009-9-7 16387 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC45870  Rumex salicifolius var. triangulivalvis Lowell Ahart 1976-7-7 1155 Plumas Growing on moist soil by Cold Water Creek, about 4 miles south of Grizzly Mountain, about 10 miles south of Bucks Lake. 1524 Comment
  JEPS122178  Rumex triangulivalvis Lowell Ahart 2014-8-26 19778 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CHSC43413  Sagina saginoides Lowell Ahart 1977-7-9 1454 Plumas Along the edge of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles northeast of La Porte. 1828 Comment
  JEPS32202  Sagittaria cuneata W. L. Jepson 1918-8-17 8036 Plumas Sierra Valley 1524 Comment
  UC54240  Sagittaria cuneata H. M. Hall and E. B. Babcock July, 1903 4417 Plumas in small lake of nw Plumas Co. Sierra Nevada Mountains 1645 Comment
  UC935762  Sagittaria latifolia Malcolm A. Nobs and S. Galen Smith 1949-8-19 1419 Plumas marshy area about 2 mi s Greenville (Indian Valley); Indian Valley Comment
  CHSC63725  Sagittaria rigida Vernon H. Oswald 1994-9-6 6476 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  CHSC69162  Sagittaria rigida Vernon Oswald 1997-8-1 8809 A Plumas North end of Lake Almanor (north of Hwy. 36) on the east side of Last Chance Marsh where the road to Last Chance Campground (28N11) first approaches and then follows the shore of the marsh. 1371 Comment
  SEINET7722557  Salix austinae Unknown Plumas Indian Valley Comment
  CAS-BOT-BC103628  Salix eastwoodiae Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas west side of Deer Lake, Gold Lake region Comment
  CAS-BOT-BC103883  Salix exigua John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54187 Plumas Rush Creek 1402 Comment
  CHSC37015  Salix exigua M. S. Taylor 1982-6-14 4664 Plumas N side of Indian Creek, E side of 28N03, nw corner of Antelope Lake, ca. 12 mi ne of Taylorsville. 1524 Comment
  CAS-BOT-BC107962  Salix geyeriana Corbin 1998-7-26 2796 Plumas Meadow S. of Clover Valley 1676 Comment
  UC525902  Salix lasiandra subsp. lasiandra C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-25 698 Plumas ca. 5 mi. s.w. Prattville (Fork of Feather R.); Fork of Feather R. Comment
  UC847137  Salix lasiolepis A. A. Heller 1938-5-30 15135 Plumas bank of river near Virgilia; Feather River 792 Comment
  CAS-BOT-BC128438  Salix lasiolepis var. lasiolepis John Thomas Howell 1977-8-11 52676 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Rerservoir 1676 Comment
  UC1135030  Salix lemmonii E. Sawyer 1935-5-27 40 Plumas 1 1/4 mi nnw Kerby; Sierraville Quadrangle 1554 Comment
  CAS-BOT-BC125105  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 398 Plumas North Fork of Feather River, at Chester 1350 Comment
  UC481905  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  UC482032  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 393 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  CAS-BOT-BC129352  Salix melanopsis unspecified 1931-5-27 7 Plumas Plumas Meadows Comment
  SBBG57918  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 395 Plumas N Fork of Feather River, at Chester, at hwy bridge 1350 Comment
  CAS-BOT-BC129098  Salix scouleriana John Thomas Howell 1959-9-26 35048 Plumas Near Keddie - Sierra Nevada 1005 Comment
  CHSC108709  Sanicula graveolens B. Castro; L. P. Janeway 2001-7-22 1349 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. Alongside road (the western extension of USFS Rd 23N69). 1798 Comment
  CHSC63111  Sanicula graveolens Lowell Ahart 1994-7-7 7450 Plumas On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south-east of Pilot Peak. 2011 Comment
  CHSC72427  Sanicula graveolens L. P. Janeway 1998-6-22 5651 A Plumas About 1.8 mi south-southeast of Indicator Peak; along Road 28N03 on south side of upper West Branch Bear Valley Creek. 1699 Comment
  CHSC89816  Sanicula graveolens G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3202 Plumas Sierra Nevada. 0.5 mile north of Taylor Creek Road (to Solomon Saddle) junction, on Mt. Hough-Crystal Lake Road. 1584 Comment
  UC337551  Sanicula graveolens J. G. Lemmon 1889-5-26 Plumas Mohawk Valley Comment
  CHSC118803  Sanicula graveolens Chelsea Morgan 2016-5-26 2016 -001 Plumas Diamond Mountains on the Plumas National Forest; Located on spur Road off Forest Rd. 28N15. (UTM 697546 E, 4464644 N, NAD 83 Zone 10 North; Elevation 7177 ft.) 2187 Comment
  CHSC60516  Sanicula tuberosa L. P. Janeway 1992-5-12 4170 Plumas Plumas National Forest. North side of Lake Davis, between the lake and Rd 112, ca 6 1/2 mi northwest of the road to the dam. 1761 Comment
  UCD128055  Sanicula tuberosa J. M. Tucker 1948-7-24 1721 Plumas near road from Cascade to Camel Peak. 1615 Comment
  CHSC95047  Saponaria officinalis L. P. Janeway 2006-7-11 8812 Plumas Northern High Sierra Nevada. North edge of North Fork Feather River, 0.5 km northeast of Injun Jim Campground site. 610 Comment
  CAS-BOT-BC466212  Sarcodes sanguinea Alice Eastwood 1927-6-1 s.n. Plumas US Forest Reserve; on trail to Long Valley Comment
  SEINET8036319 Image available Sarcodes sanguinea Marion Ownbey, Ruth P. Ownbey 1938-1 1741 Plumas below Humboldt Summit on road between Jonesville and Lake Almanor, Sierra Nevada, Plumas County Comment
  UC105886  Sarcodes sanguinea Mrs. R. M. Austin Plumas Comment
  UCD13235  Sarcodes sanguinea Dean Dubbe 1974-4-27 7- 2 Plumas California: Plumas Co. Plumas National Forest. Butterfly Valley. Along hwy 89, 2 mi W of Keddie. Elev. 3700 ft. 1127 Comment
  RSA189459  Saxifraga californica L. S. Rose 1967-5-8 67072 Plumas 3 miles SW of Belden, N Fork, Feather River. 762 Comment
  CHSC42855  Saxifraga nidifica var. nidifica Lowell Ahart 1987-5-19 5657 Plumas Near a small meadow, near the South Fork of the Feather River, about 1/2 mile northeast of the Feather Fork Mine, about 8 miles northeast of La Porte. 1706 Comment
  SEINET10483049  Saxifraga oregana Mary Susan Taylor 1981-6-18 Taylor 3937 Plumas T25N R12E sw/ne sec 25. Grizzly Valley quad. Along spring crossing Beckwourth- Genesee Rd, N of Crystal Greek, ca. 2 mi S of Notson Bridge, ca. 17 air mi NE of Blairsden. 5700 ft elev. 1737 Comment
  RSA0102601  Sceptridium multifidum Ira L. Wiggins 1948-9-15 12056 Plumas On ridge between canyons of Onion Creek and Middle Fork of the Feather River. Comment
  RSA0102602  Sceptridium multifidum E. K. Balls 1950-9-9 15732 Plumas W. of Lakes Center Public Camp. 2042 Comment
  CAS-BOT-BC278217  Schedonorus arundinaceus John Thomas Howell 1966-7-29 42019 Plumas Quincy 1036 Comment
  CAS-BOT-BC283630  Schedonorus pratensis John Thomas Howell 1960-7-18 35566 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC451561  Scheuchzeria palustris V. Oswald; L. Ahart 1988-8-4 3672 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CHSC55807  Schoenoplectus americanus Vernon H. Oswald 1991-9-11 4865 Plumas Lassen Volcanic National Park. Hot springs terrace on the south side of the meadow at Drakesbad. Along drainages on the slope south of Hot Springs Creek. 1731 Comment
  CAS-BOT-BC35580  Scirpus congdonii John Thomas Howell 1951-6-27 27602 Plumas McRae Meadow 1981 Comment
  CHSC78750  Scirpus congdonii L. P. Janeway 2000-7-16 6921 Plumas Northern High Sierra Nevada. Mosquito Flat, 3.2 km south of Haskins Valley. East side of large flat dry meadow. 1676 Comment
  UC501555  Scirpus congdonii Frank W. Peirson 1932-7-19 10348 Plumas Feather River near Chester; Feather River near Chester 1463 Comment
  CAS-BOT-BC35579  Scirpus congdonii John Thomas Howell 1959-9-23 s.n. Plumas 3 miles from Juniper Lake on road to Chester 1889 Comment
  CAS-BOT-BC30739  Scirpus diffusus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1673 Plumas Sweetwater Meadow. 1127 Comment
  CAS-BOT-BC110856  Scirpus diffusus Lowell Ahart 1985-7-3 5103 Plumas Below the high water line of Little Grass Valley Reservoir 1584 Comment
  CAS-BOT-BC111006  Scirpus microcarpus E. K. Balls 1950-8-31 15553 Plumas Spanish Creek, off Hwy. 24, just north of Quincy 1066 Comment
  CHSC102075  Scirpus microcarpus Lowell Ahart; John Dittes 2009-7-14 16033 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC52556  Scirpus microcarpus L. P. Janeway 1989-8-4 3556 Plumas Plumas National Forest. East side of Eureka Ridge near headwater springs of Bear Creek. 1889 Comment
  SEINET9225414  Scirpus microcarpus S. Batiuk, D. Mathews, J. Jaggers, A. Kowal 2011-8-31 NV 030 -622 Plumas Grizzly Creek Ranch, near pond 1506 Comment
  CAS-BOT-BC111000  Scirpus microcarpus L. P. Janeway 1991-8-4 4119 Plumas Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Begley Pass 1691 Comment
  CAS-BOT-BC111009  Scirpus microcarpus W. W. Wagner 1919-5-25 266 Plumas In wet meadow, Squirrel Creek, vicinity of Quincy. 1615 Comment
  CAS-BOT-BC111011  Scirpus microcarpus John Thomas Howell 1975-7-15 51855 Plumas Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  RSA59679  Scirpus microcarpus E. K. Balls 1950-9-9 15748 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  SD46740  Scirpus pauciflorus Robert J. Weatherby 1955-6-26 1545 Plumas Common in mosses, wet meadow. Mud Lake, Lakes Basin Area. 2103 Comment
  UC501569  Sclerolinon digynum Frank W. Peirson 1932-7-19 10352 Plumas near Chester; Feather River 1463 Comment
  CAS-BOT-BC214194  Scutellaria John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54202 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough, Sierra Nevada 1280 Comment
  CHSC66629  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1996-7-15 8016 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. 1371 Comment
  JEPS62868  Scutellaria tuberosa W. I. Follett 1937-5-30 Plumas Rich Gulch 1173 Comment
  RSA58829  Sedum obtusatum R. Weatherby 1950-8-11 1510 Plumas Trail to Long Lake, Lakes Basin Area. 1982 Comment
  JEPS119498  Sedum obtusatum subsp. boreale Lowell Ahart 2011-9-20 17693 Plumas On the north side of Onion Valley Creek, on the north side of Pilot Peak, about 200 yards east of the east edge of Onion Valley meadow, about 9 miles (air) northeast of La Porte. Comment
  NY388004  Sedum plumasanum P. C. Hutchison 1961-6-14 2122 Plumas Canyon of the North Fork of the Feather River along highway US. On serpentine cliffs above Rich Bar. 40 Comment
  UCD102067  Sedum spathulifolium Dean Ahrenholz 1964-5-16 21 Plumas near Bucks Power House, Feather River Canyon. Comment
  JEPS79625  Selaginella wallacei Edward Lee 1951-10-8 Plumas 0.1 mi above junction of N. Fork Feather River Hwy. Comment
  CAS-BOT-BC363368  Senecio aronicoides Volney Rattan 1884-6-1 s.n. Plumas Unspecified Comment
  CHSC89476  Senecio eurycephalus var. lewisrosei Jenny Marr 1994-7-2 207 Plumas Located in the Quincy District of the Plumas National Forest, on the N facing slope of Red Hill in the N fork Feather River Canyon. Collected off jeep rd N of 26N22. 1463 Comment
  CHSC40244  Senecio hydrophilus K. R. Stern 1985-6-25 8228 Plumas Meadow, vic. Blairsden. 1371 Comment
  CAS-BOT-BC363733  Senecio hydrophilus M. S. Taylor 1982-9-8 5121 Plumas N end of Round Valley Reservoir, ca. 4 air mi s of Greenville 1371 Comment
  CHSC76040  Senecio integerrimus G. F. Hrusa 1997-5-30 13828 Plumas Sierra Nevada. Near summit of hill on E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1330 Comment
  UC565955  Senecio integerrimus var. exaltatus E. Sawyer 1935-5-21 11 Plumas 3.5 mi ese Beckwith Butt; Sierraville Quad. 1493 Comment
  CDA18477  Senecio integerrimus var. exaltatus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3247 Plumas Sierra Nevada; 0.2 mile south of junction, Mt. Hough-Crystal Lake Road and China Grade (road to Taylorsville). 1737 Comment
  UCD107500  Senecio serra var. serra Tim Kuhn 2006-6-29 46 Plumas north of Lake Davis at Old House Meadow. Comment
  CAS-BOT-BC364394  Senecio triangularis John Thomas Howell 1960-7-18 35531 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UC711967  Sericocarpus oregonensis subsp. californicus Roxana S. Ferris and Laura Lorraine 1941-8-8 10418 Plumas 3 mi from, on road to Lake Almanor Greenville Comment
  JEPS95059  Setaria pumila Lowell Ahart 1997-9-11 7906 Plumas about 4 1/2 air mi ne of Belden (on w edge of Caribou Road, on w side of North Fork Feather River, about 1/2 mi s of Mosquito Creek); Caribou Road, North Fork Feather River 792 Comment
  JEPS67295  Sidalcea glaucescens W. L. Jepson 1939-7-31 19319 Plumas about 2 to 2 1/2 mi from summit Spanish Peak 2042 Comment
  RSA17671  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1934-5-3 8905 Plumas Near and north of Quincy. Comment
  RSA517872  Sidalcea oregana subsp. oregana J. T. Howell 1973-7-9 s.n. Plumas Round Valley 1372 Comment
  CHSC20808  Sidalcea oregana subsp. spicata K. R. Stern 1975-7-24 5845 Plumas E. shore of Lake Almanor. 1371 Comment
  CHSC53587  Sidalcea oregana subsp. spicata L. P. Janeway 1989-7-20 3503 Plumas Plumas National Forest. Forest along southerly side of Red Clover Valley at jct of rd 26N70 (to Laufman) and Beckwourth-Genesee Rd (rd 111) 9.5 mi from Beckwourth. 1676 Comment
  UC1124999  Sidalcea oregana subsp. spicata C. G. Albertus 1935-8-3 245 Plumas 1 1/2 mi se Cromberg; Plumas National Forest, Downieville Quad. Comment
  CHSC63453  Silene bernardina Lowell Ahart 1994-7-22 7488 Plumas Plumas County/Sierra County. South of the Pacific Crest Trail, west of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  JEPS105990  Silene bernardina Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11180 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2053 Comment
  JEPS50961  Silene californica W. L. Jepson 1939-8-7 19349 Plumas Meadow Valley 1158 Comment
  UCR3553  Silene californica Wm. Horn Jr. 1963-7-14 630714- 01 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, 100 yards south of Forest Service Road 24N36, 0.5 mi west of UC Forestry Camp 1159 Comment
  CAS-BOT-BC386991  Silene douglasii E. K. Balls 1950-9-1 156166 Plumas East of Long Lake, above meadow leading down to two smaller lakes. 2133 Comment
  SD61132  Silene douglasii Darley F. Howe 1964-7-29 3891 Plumas Near Gold Lake Lodge, Plumas National Forest. 2010 Comment
  CAS-BOT-BC386982  Silene douglasii M. S. Taylor 1982-8-5 4924 Plumas Mt. Hough summit, ca. 7 air mi nne of Qunicy 2203 Comment
  CAS-BOT-BC389378  Silene lemmonii John Thomas Howell; Gordon H. True 1967-7-11 43311 Plumas About 3 miles southeast of Mt. Hough 1706 Comment
  CHSC106306  Silene lemmonii L. P. Janeway 2010-7-3 10078 Plumas Northern High Sierra Nevada. Top of ridge between Pigtail Ravine and Hunters Ravine +/- overlooking Middle Fork Feather River from the north. 1644 Comment
  CHSC24258  Silene lemmonii K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  CHSC53583  Silene lemmonii L. P. Janeway 1990-7-2 3754 Plumas Plumas National Forest. Ca 100 ft west of Paradise Cr and ca 3/4 mi south of Little Grizzly Cr. 1889 Comment
  JEPS50947  Silene occidentalis subsp. occidentalis R. H. Platt 1891-1 Plumas the Sierras Comment
  CDA17254  Sisyrinchium elmeri G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16281 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  JEPS118393  Smilacina racemosa Lowell Ahart 2011-9-20 17692 -A Plumas On the south side of Onion Valley Creek, on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2001 Comment
  UC170936  Smilacina racemosa H. M. Hall 1912-7-8 9320 Plumas Long Lake Sierra Nevada Mountains 2042 Comment
  SEINET10472583  Smilacina stellata Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3862 Plumas T24N R13E se sec 8. Grizzly Valley quad. In wet meadow along creek, ca. 1/4 mi S of jct of 24N08 and 25N93, ca. 1 air mi NW of Bagley Pass, ca. 0.5 mi S of Red Clover Valley; elevation ca. 5700 ft. 1737 Comment
  SEINET10475258  Solidago canadensis subsp. elongata Mary Susan Taylor 1981-7-27 Taylor 4123 Plumas T25N R12E SW 1/4 NE 1/4 sec 25. Grizzly valley quad. Along spring crossing. Beckworth-Genesse Rd., between Crystal and Meadow Creeks, ca. 2 mi S of Notson Bridge, ca. 17 air mi NE of Blairsden. 5700 ft. 1757 Comment
  RSA754538  Solidago spectabilis L. Ahart, John Dittes 2009-7-28 16205 Plumas Meadow SE of powerline, 500 feet SE of Forest Service Road 27N28Y, slope N of Ohio Creek, 2.6 air miles NW of butt Valley Reservoir Dam. 1512 Comment
  CAS-BOT-BC365121  Solidago velutina subsp. californica E. K. Balls 1950-8-31 15524 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy 1097 Comment
  JEPS115523  Solidago velutina subsp. californica Lowell Ahart, John Dittes 2009-9-7 16398 Plumas On the north side of the road (levee) about 80 yards north of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC374403  Sonchus asper John Thomas Howell; H. Keith Wagnon 1980-5-26 53587 Plumas Lewisia Rock, Feather River Canyon 3.5 miles southwest of Belden 609 Comment
  SEINET10474011  Sonchus asper Mary Susan Taylor 1982-9-13 Taylor 5136 A Plumas T23N R14E se/ne sec 27. Portola quad. Ramelli Ranch, in vicinity of Calpine Rd bridge (109) over Feather River, on s side of the river, ca. 1 mi w of Beckwourth. 4880 ft. 1487 Comment
  CAS-BOT-BC374666  Sonchus oleraceus John Thomas Howell 1951-6-29 27755 Plumas Feather River Canyon 548 Comment
  CAS-BOT-BC157318  Sorbus californica Lewis S. Rose 1932-9-5 32624 Plumas Jamison Lake 1889 Comment
  CHSC115840  Sorbus californica Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20420 Plumas On the west side of Blue Lake, 2710 feet north of Forest Service Road 29N18, 2.89 air-miles west-southwest of Sifford Mt., 6.26 air-miles south-southeast of Lassen Peak. 1918 Comment
  UCD114035  Sorbus californica B. F. Smith 1967-9-5 63 Plumas Vicinity of La Porte. 1371 Comment
  CAS-BOT-BC158904  Sorbus scopulina Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  SEINET264263  Sorbus sitchensis S. Gessel 1940-5-22 Plumas Spainish Peak Trail Comment
  UC567072  Sorbus sitchensis G. T. Nordstrom 1934-7-17 233 Plumas 1 1/2 miles south and 1 1/2 miles east of Bucks Mountain 1524 Comment
  CHSC61695  Sparganium angustifolium Vernon H. Oswald; Lowell Ahart 1993-8-25 5854 Plumas Ridge Lake located ca. 1 mi ESE of Spencer Mdw., ca. 0.6 mi S of Lassen Park. SE arm of the lake. 1978 Comment
  RSA239248  Sparganium angustifolium subsp. emersum Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42318 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  CHSC61588  Sparganium emersum subsp. emersum L. P. Janeway 1992-9-16 4314 Plumas Plumas National Forest. Middle Fork Feather River 1 1/2 mi west of Beckwourth. Along the river. 2133 Comment
  JEPS107726  Sparganium emersum subsp. emersum Lowell Ahart, John Dittes 2005-9-20 12430 Plumas In Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  POM119381  Sparganium eurycarpum Marcus E. Jones 1897-7-3 s.n. Plumas Prattville [county not specified on label] 1372 Comment
  SEINET10866371  Spergula arvensis Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5178 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 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
  JEPS115526  Spergularia rubra Lowell Ahart, John Dittes 2009-9-7 16401 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CHSC43447  Spiraea densiflora Lowell Ahart 1974-8-3 585 Plumas East of Mount Etna, about 5 miles east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  JEPS103583  Spiraea densiflora Lowell Ahart 2002-7-2 9826 Plumas In a logged over area on the S side of Forest Road 22N94, E of Forest Road 22N94E, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1606 Comment
  CAS-BOT-BC149657  Spiraea douglasii A. A. Heller; P. B. Kennedy 1907-7-15 8848 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  CAS-BOT-BC149664  Spiraea douglasii Walter Knight; Irja Knight 1966-6-18 1288 Plumas Butterfly Valley. Near Darlingtonia Bog 1143 Comment
  SDSU9262  Spiraea douglasii D. F. Howe 1960-9-21 2991 Plumas 6.0 miles N of Greenville on #89. 1219 Comment
  SEINET10483627  Spiraea douglasii Mary Susan Taylor 1982-6-14 Taylor 4672 Plumas T26N R9E se sec 34. Greenville SW quad. E side of Hwy 89, ca. 1 mi n of Indian Falls. 3400 ft. 1036 Comment
  CAS-BOT-BC535256  Spirodela polyrhiza Robert J. Weatherby 1950-7-28 1485 Plumas Bridge over Indian Creek, road to Taylorville 1066 Comment
  RSA0005232  Spraguea pulcherrima A. A. Heller 1938-5-30 15132 Plumas Along Feather River Highway near Bucks Creek powerhouse. Comment
  CHSC20785  Stachys ajugoides var. rigida K. R. Stern 1975-7-24 5850 Plumas E shore of Lake Almanor. 1371 Comment
  CHSC62118  Stachys ajugoides var. rigida L. P. Janeway 1993-6-30 4407 Plumas Along Hwy 70 in canyon of East Branch North Fork Feather River, 3.8 mi southwest of Hwy 89. 868 Comment
  JEPS121767  Stachys ajugoides var. rigida B. Castro and L. P. Janeway 2007-8-18 1674 Plumas Northern High Sierra Nevada. Ca 10 road mi E of Quincy, along Squirrel Creek and Road 401, 1.2 mi NE of Hwy 70/89 and William Loop (railroad). Comment
  UC723801  Stachys ajugoides var. rigida Joseph Andorfer Ewan 1934-7-8 8595 Plumas Dentens Sierra Nevada, Middle Fork Feather River 1615 Comment
  UC726304  Stachys ajugoides var. rigida A. A. Heller 1938-7-2 15232 Plumas just outside Quincy (along the highway near the river bridge) 1097 Comment
  OBI13461  Stachys pycnantha Lewis S. Rose 1966-7-27 66061 Plumas Butterfly Crk, 2 mi S of Keddie 1006 Comment
  SBBG32392  Stachys rigida L. S. Rose 1966-7-27 Plumas Butterfly Crk, 2 mi S of Keddie 1005 Comment
  SEINET10499274  Stachys rigida Mary Susan Taylor 1981-8-19 Taylor 4216 Plumas T23N R11E se 1/4 se 1/4 sec 17. Blue Nose Mt. quad. Jct Bell Creek and road 23N10, ca. 1.5 mi W of Sloat. Comment
  RSA59436  Stachys rigida subsp. rivularis E. K. Balls 1950-9-15 15846 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  CAS-BOT-BC181387  Stellaria calycantha Mary Strong Clemens 1920-8-1 s.n. Plumas Greenville Comment
  CHSC110369  Stellaria crispa Lowell Ahart 2012-9-5 18437 Plumas At the end of a small stream that flows into the South Fork of the Feather River, about 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1889 Comment
  JEPS102745  Stellaria crispa Lowell Ahart 2001-7-19 8942 Plumas On the banks of Hopkins Creek, about 100 yards SW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  CAS-BOT-BC391178  Stellaria longipes subsp. longipes Hans Leschke 1961-8-15 1819 Plumas Lassen Volcanic National Park. Twin Meadows, southern part Comment
  CHSC73414  Stellaria longipes var. longipes B. Castro; L. Gehrung, H. Durio 1995-9-19 641 Plumas Tamarack Flat. Ca 2 air mi NW of Little Grass Valley Reservoir, on N side of USFS Rd 22N94, ca 2 road mi NW of its jcn with Lumpkin Ridge Rd (USFS Rd 22N27). In Tamarack Flat meadow. 1706 Comment
  JEPS100408  Stellaria obtusa Dean Wm. Taylor, Tom Engstrom 2004-7-22 19208 Plumas Big Ravine, Forest Road 25N64X about 0.5 air miles NE of Grizzly Dome 1432 Comment
  CAS-BOT-BC375050  Stenotus acaulis L. W. Swift 1934-5-18 116 Plumas Plumas National Forest. Sugar Loaf near Meadow View 1889 Comment
  CHSC82534  Stephanomeria lactucina L. P. Janeway 2001-7-3 7262 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  UC1562565  Stephanomeria lactucina Barbara Ertter 1988-7-25 7852 Plumas ca 15 air mi due s Susanville (sheep camp on Pierce Creek); Diamond Mts., Pierce Creek 1981 Comment
  CAS-BOT-BC87777  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-BC87794  Streptanthus tortuosus Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  CAS-BOT-BC87801  Streptanthus tortuosus Joseph Andorfer Ewan 1934-7-17 8542 Plumas Sierra Nevada. Along Long Lake, Mount Elwell region. 2072 Comment
  JEPS26686  Streptanthus tortuosus P. C. Hutchison 1961-6-9 2120 Plumas along hwy US Alt. 40 at bridge 2 mi s of (below) Rich Bar; Canyon of the north fork of the Feather River Comment
  RSA32714  Streptanthus tortuosus A. A. Heller 1938-7-2 15238 Plumas 3 miles east of Quincy. 1098 Comment
  RSA600458  Streptanthus tortuosus L. C. Wheeler 1959-7-15 7566 Plumas Middle Fork Feather River: McCarty Mine, McCarthy Bar. Comment
  CAS-BOT-BC237005  Symphoricarpos mollis John Thomas Howell 1960-7-18 35552 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CDA18446  Symphoricarpos mollis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3174 Plumas Sierra Nevada; 2.0 miles south of jct Long Valley and Rush Creek Roads; 4.0 miles north of Hwy 70 at Grays Flat. 1447 Comment
  CHSC96893  Symphoricarpos rotundifolius var. rotundifolius Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14010 Plumas Around trees, east side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment