Search Results — 2000 specimen records retrieved (1453 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77982  Abies concolor John Thomas Howell 1960-7-18 35504 Plumas Drakesbad 1828 Comment
  RSA604696  Abies magnifica L. C. Wheeler 1952-9-24 6956 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  CAS-BOT-BC330953  Acer glabrum var. glabrum John Thomas Howell; Gordon H. True 1969-6-23 45802 Plumas Sierra Nevada. 2.6 mi N of Middle Fork of Feather River at Nelson Point 1310 Comment
  CAS-BOT-BC330955  Acer glabrum var. glabrum J. M. Tucker 1948-7-25 1737 Plumas At mine of United Mining Company, Pinchard Creek, SW side of Camel Peak 1524 Comment
  CAS-BOT-BC28734  Achillea millefolium J. T. Howell 1961-6-21 36671 Plumas Greenville 1097 Comment
  CAS-BOT-BC28739  Achillea millefolium John Thomas Howell 1960-7-18 35576 Plumas Drakesbad 1828 Comment
  CHSC113897  Achillea millefolium Lowell Ahart 2014-8-26 19772 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
  RSA716687  Achillea millefolium L. Ahart 2005-9-19 12406 Plumas About 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1990 Comment
  SEINET3144638  Achillea millefolium E. K. Balls 1950-9-2 15645 Plumas Nye Meadows, W slope of Mt. Ingalls, N of Grizzly Valley 2256 Comment
  CAS-BOT-BC210692  Achnatherum lemmonii John Thomas Howell 1961-6-21 36655 Plumas Greenville 1097 Comment
  CAS-BOT-BC210697  Achnatherum lemmonii John Thomas Howell 1951-6-29 27745 Plumas Spring Garden Creek 1158 Comment
  CDA13378  Achnatherum lemmonii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13226 Plumas Sierra Nevada; Dry open, +- disturbed sandy site near old log landing on USFS 23N12E. Upper Bull Run Creek, about 1/4 mile below headwater springs. Perennial, bunching. Habitat a dense coniferous forest, dominated by Abies concolor, Pinus jeffreyi, Calodedrus. Comment
  CHSC99218  Achnatherum lemmonii John Dittes; Josephine Guardino 2005-9-22 1293 Plumas Northern High Sierra Nevada Range; ca. 1.1 air-miles N of Taylor Lake, 0.7 air-mile E of Rattlesnake Peak, 0.3 air-mile W of Eisenheimer Peak, just east of FS Route 27N57; north-facing talus just below ridgeline. 2180 Comment
  UC174590  Achnatherum lemmonii A. A. Heller with P. B. Kennedy 1907-7-3 8712 Plumas hills above Red Clover Valley Comment
  UCD50778  Achnatherum nelsonii John Thomas Howell 1960-7-17 35485 Plumas Drakesbad, Plumas County. 1676 Comment
  CAS-BOT-BC216878  Achnatherum occidentale John Thomas Howell; Gordon H. True 1973-7-31 50069 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CAS-BOT-BC216882  Achnatherum occidentale Mary Strong Clement 1920-8-16 s.n. Plumas Greenville Comment
  CDA14039  Achnatherum occidentale subsp. californicum G. F. Hrusa, T. D. Wilfred 1996-8-1 13411 Plumas Sierra Nevada; Forested, S-facing slopes, logged in past, ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Occasional bunchgrass in open sites. Comment
  UC1037096  Achnatherum occidentale subsp. occidentale Leo Whitney 1934-8-11 2189 Plumas ca 10 mi nw Portola (Big Grizzley Valley); Pluams National Forest, Big Grizzley Valley 1828 Comment
  CHSC82613  Achnatherum occidentale subsp. pubescens L. P. Janeway 2001-7-3 7261 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  UCD32652  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-5 2045 Plumas Plumas County, 1.5 miles north of Greenville, along highway 89. 1127 Comment
  UCD51433  Achnatherum thurberianum August L. Hormay 1932-6-11 s.n. Plumas Long Canyon, Plumas National Forest, near RR plots. Comment
  CHSC21534  Acmispon americanus var. americanus L. Mayer; D. Brink 1975-7-9 Plumas Roadside. Buck's Lake Forest Service Survey. Comment
  CHSC75497  Acmispon americanus var. americanus G. D. Barbe; J. T. Fuller, T. C. Fuller 1981-6-24 3191 Plumas Mt. Houg-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of uincy Juncion. 1280 Comment
  CAS-BOT-BC412612  Aconogonon alaskanum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC34291  Actaea rubra M. S. Taylor 1981-8-20 4228 Plumas Above spring in Bullfrog Ravine, ca. 3 air mi nw of Indian Falls. 1706 Comment
  CHSC54532  Actaea rubra Vernon H. Oswald 1991-8-5 4811 Plumas Lassen Volcanic Park. Terminal Geyser located ca. 2.5 miles (air) southeast of Drakesbad. Drainage below service road at the geyser. 1706 Comment
  RSA59331  Actaea rubra subsp. arguta E. K. Balls 1950-9-10 15777 Plumas 1.5 miles along trail from Lakes Center Public Camp, to Long Lake outlet. 2012 Comment
  SEINET10536069  Actaea rubra subsp. arguta Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3828 Plumas T24N R10E nw/se sec 25, Spring Garden quad. By creek, entering Greenhorn & Estray Creeks, W side of Williams Loop, ca. 0.2 mi S of Spring Garden Overpass on Hwy 70, ca. 1.5 mi W of Spring Garden. 3900 ft. 1189 Comment
  CAS-BOT-BC29835  Adenocaulon bicolor Robert J. Weatherby 1950-7-7 1446 Plumas Gansner Creek, near Quincy 1219 Comment
  CHSC100139  Adiantum aleuticum L. P. Janeway; B. Castro 2008-9-13 9591 Plumas Northern High Sierra Nevada. Near Road 23N73Y 3.4 road km north of Oroville-Quincy Hwy and Grizzly Summit; 1.7 air km north-northwest of Grizzly Summit. Rocky bouldery north-facing dry drainage above the road. 1649 Comment
  SEINET3870080  Adiantum aleuticum D. W. McNeal 1996-7-29 4188 Plumas Just above Fern Falls on Gray Eagle Creek, Plumas Nat. For.; 0 Comment
  CHSC62360  Agastache urticifolia B. Castro; J. Jurewicz 1990-7-17 431 Plumas Ca 6 air mi W of Crescent Mills, on gentle W-facing slope above Rush Cr, along mainly E side of USFS Rd 16N87 ca 0.9 mi S of its jcn with Rd 27N92 and ca 0.2 mi S of Cow Ck crossing. 1584 Comment
  CAS-BOT-BC29435  Ageratina occidentalis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CDA13998  Ageratina occidentalis G. F. Hrusa, T. D. Wilfred 1996-8-2 13423 Plumas Sierra Nevada; Argentine Rock ~ 1/2 mile W of Pine Creek Valley. Comment
  CHSC60071  Ageratina occidentalis B. Castro; L. P. Janeway 1992-7-18 458 Plumas Ca 1.5 road mi N of Lakes Basin Campgd at W edge of Gold Lake Hwy overlooking Lily Lake. 1828 Comment
  JEPS18707  Ageratina occidentalis W. L. Jepson 1918-8-16 8015 Plumas Taylorsville 1097 Comment
  OBI16468  Ageratina occidentalis Lewis S. Rose 1966-7-27 66063 Plumas Butterfly crk & Spanish Crk. 1 mi S of Keddie 991 Comment
  CAS-BOT-BC29512  Agoseris John Thomas Howell 1955-7-20 30854 Plumas Mohawk 1371 Comment
  CDA13377  Agoseris grandiflora G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13227 Plumas Sierra Nevada; Upper Bull Run Creek, about 1/4 mile below headwater springs on USFS 23N12E. Comment
  CAS-BOT-BC29654  Agoseris grandiflora var. grandiflora Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1478 Plumas Butterfly Valley Botanical Area: Butterfly Canyon 990 Comment
  CAS-BOT-BC22912  Agoseris heterophylla Lewis S. Rose 1967-6-12 67108 Plumas Butterfly Valley, ca. 3 mi. w. of Keddie 1036 Comment
  UCD107494  Agoseris heterophylla Tim Kuhn 2006-6-23 40 Plumas near Bagley Pass. Comment
  CHSC116182  Agoseris heterophylla var. heterophylla Lowell Ahart 2015-7-4 20283 Plumas About 140 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
  CAS-BOT-BC13440  Agoseris retrorsa Walter Knight; Irja Knight; John Thomas Howell 1966-6-26 1610 Plumas Roadside at Fern Glen 1097 Comment
  CDA17229  Agoseris retrorsa G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16332 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
  SEINET10876361  Agropyron saxicola Hart 1974-1 Hart 591 Plumas Small size plant. On bare serpentine on dry soil, Cedar Flat s of Bucks Lake, ca. 10 mi S of Bucks Lake. 1829 Comment
  CAS-BOT-BC127498  Agrostis capillaris Lowell Ahart 1987-9-22 5890 Plumas Along the South Fork of the Feather River, about 1 mile east of the Feather Fork Mine, about 8 miles northeast of La Porte. 1706 Comment
  CAS-BOT-BC127099  Agrostis exarata Lowell Ahart 1980-8-12 2561 Plumas Sierra Nevada. Along Slate Creek. 1250 Comment
  CAS-BOT-BC127100  Agrostis exarata John Thomas Howell 1961-9-23 36867 Plumas Sierra Nevada. Indian Valley. 1082 Comment
  CAS-BOT-BC127104  Agrostis exarata Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1429 Plumas Butterfly Botanical Area and Vicinity. In vicinity of Pond reservoir. 1097 Comment
  JEPS113788  Agrostis exarata Lowell Ahart, Josephine Guardino 2007-7-21 14358 Plumas Along 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
  UC485762  Agrostis exarata H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UCD52350  Agrostis exarata F. W. Embree 1934-6-11 95 Plumas 1 mile N.E. of Bucks Ranch. 1600 Comment
  UCR123521  Agrostis exarata George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6865 Plumas Sierra Nevada Mountains, Calif. Hwy 89, 2.3 miles SSE of its junction with Calif. Hwy 36, Lake Almanor Region 1357 Comment
  SEINET4339796  Agrostis exarata M. Foster 1988-7-22 196 Plumas Along Big Grizzly Creek, 1/2 miles south of Walker Mine road, 1 mile west of Lake Davis, and 12 miles north by northwest of Portola 1768 Comment
  CAS-BOT-BC139251  Agrostis idahoensis John Thomas Howell 1960-7-20 35734 Plumas Lassen Volcanic National Park. Between Boiling Springs Lake and Drakesbad. 1828 Comment
  CAS-BOT-BC138997  Agrostis pallens Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mile west of Pilot Peak. 2000 Comment
  UCD53169  Agrostis pallens G. L. Stebbins Jr. 1939-7-9 2930 Plumas Meadow view ranger station. 1889 Comment
  UCD53456  Agrostis stolonifera John Thomas Howell 1960-7-18 35521 Plumas Drakesbad. 1676 Comment
  CAS-BOT-BC131952  Allium W. D. Dakan 1974-5-28 s.n. Plumas Ca. 2 miles southeast of Mt. Hough 1828 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
  JEPS102620  Allium campanulatum Lowell Ahart 2001-7-17 8916 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
  SEINET12045785  Allium campanulatum Unknown 1938-1 2321 Plumas Feather River at Chester, near Lake Almanor 1219 Comment
  SEINET8119070  Allium campanulatum A. A. Heller, P. B. Kennedy 1907-7-11 8815 Plumas Prattville. Comment
  CHSC107266  Allium obtusum var. obtusum L. P. Janeway; Matt Simenc 2011-7-11 10513 Plumas Northern High Sierra Nevada. Plumas National Forest; un-named ridge between South Fork Feather River and Gibsonville ridge, 2.5 km east of Little Grass Valley Reservoir. Gravelly open area just over the north edge of the ridge. 1810 Comment
  JEPS47585  Allium obtusum var. obtusum Esther C. Fritz 1933-7-4 Plumas along road to summit Spanish Peak 2133 Comment
  CAS-BOT-BC474281  Allium obtusum var. obtusum Mrs. H. C. Cantelow 1938-7-4 s.n. Plumas Plumas County Comment
  CHSC43781  Allium platycaule Vernon Oswald 1984-6-25 1329 Plumas La Porte-Quincy Rd. at the S. Fork of Feather River. 1926 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
  CHSC94109  Allophyllum integrifolium Lowell Ahart 2006-7-9 12921 Plumas Below an open ridge, about 100 yards north of the paved basalt road, about 4 miles (air) northwest of Tamarack Flat, about 6 miles (air) northwest of Little Grass Valley Reservoir. 1650 Comment
  CAS-BOT-BC171370  Alnus incana subsp. tenuifolia Anna Head 1920-1-1 s.n. Plumas Feather River Region Comment
  CAS-BOT-BC171374  Alnus incana subsp. tenuifolia M. B. Kildale 1926-9-11 s.n. Plumas at Chester Comment
  CHSC21097  Alnus incana subsp. tenuifolia F. T. Griggs; A. Pass 1975-7-3 75 Plumas N. of Grizzly Forebay. Buck's Lake Forest Service Survey. Comment
  RSA452808  Alnus incana subsp. tenuifolia B. C. Templeton 1967-4-23 10743 Plumas Butterfly Valley, near Quincy. 1067 Comment
  SEINET8074293  Alnus rhombifolia A. A. Heller, P. B. Kennedy 1907-7-15 8841 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  CHSC81181  Alopecurus aequalis Lowell Ahart 2001-8-28 9188 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
  JEPS76236  Alopecurus aequalis W. L. Jepson 1939-8-12 19406 Plumas Ferris Creek - branch of Last Chance Creek 1767 Comment
  UCD55868  Alopecurus aequalis John Thomas Howell 1961-9-25 36952 Plumas Feather River bed, Portola. 1478 Comment
  CAS-BOT-BC137992  Alopecurus geniculatus David D. Keck 1932-7-3 1667 Plumas In the Northern Sierra Nevada. Quincy. 1065 Comment
  UCD149817  Alopecurus pratensis William Anderson 1965-5-8 s.n. Plumas Crescent Mills. 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
  CHSC110938  Amelanchier alnifolia var. pumila L. P. Janeway 2010-11-15 10219 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 24N36 along the south side of the Oroville-Quincy Hwy; north side of Grizzly Creek; 0.8 km southwest of Grizzly Creek Campground. 1567 Comment
  CHSC98312  Amelanchier alnifolia var. pumila L. P. Janeway 2007-5-20 8990 Plumas Northern High Sierra Nevada. Crest at head of Bean Creek (which drains to the south-southeast; East Branch North Fork Feather River to the north); at junction of Roads 25N17, 25N57, 25N59. Southeast-facing slope of rocky serpentine soil. 1573 Comment
  RSA754965  Amelanchier alnifolia var. semiintegrifolia L. Ahart 2008-6-5 14813 Plumas Good logging road north of the South Fork of the Feather River, about 0.5 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. Comment
  CHSC110942  Amelanchier utahensis L. P. Janeway 2010-7-3 10084 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 24N36 along the south side of the Oroville-Quincy Hwy; north side of Grizzly Creek; 0.8 km southwest of Grizzly Creek Campground. 1567 Comment
  UC1127769  Amelanchier utahensis F. W. Embree 1934-6-6 92 Plumas Three Lakes; Plumas National Forest, Bidwell Bar Quad. 1889 Comment
  UC567121 Image available Amelanchier utahensis G. T. Nordstrom 1934-7-17 232 Plumas 1.5 s and 0.5 mi e Bucks Mountain; Bidwell Bar Quad. 1524 Comment
  UC471166  Amsinckia H. E. Parks 1930-7-13 Plumas on shore of Lake Tagish (Caribou); Caribou Comment
  UC174628  Amsinckia menziesii var. menziesii A. A. Heller with P. B. Kennedy 1907-7-15 8850 Plumas near mouth of Little Grizzly Creek below Genessee Comment
  JEPS122103  Anaphalis margaritacea Lowell Ahart 2014-8-24 19743 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. Comment
  SD9138  Anaphalis margaritacea R. M. Austin 1880-1 Plumas Comment
  UC196672  Anemone drummondii Fred W. Koch 1916-7-8 Plumas 1 mi. n. Mt. Elwell 2072 Comment
  CHSC111852  Anemone drummondii var. drummondii L. P. Janeway 2014-5-7 11244 Plumas Northern High Sierra Nevada. Plumas National Forest; south-facing slope on southeast end of Red Mountain, along Road 23N69 0.9 road-km northwest of 18 Road (23N18); headwaters area to minor drainages into West Branch Coldwater Creek. 1902 Comment
  CHSC93152  Angelica breweri L. P. Janeway 1994-8-16 4732 Plumas Northern High Sierra Nevada. Slope above Little Schneider Creek about 1.4 mi south of Meadow Valley Creek; along Road 24N24X. 1234 Comment
  CHSC101777  Antennaria argentea Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15870 Plumas South and below Forest Road 27N01Y, south of the high cut bank along the road, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  UC2042994  Antennaria argentea Barbara Ertter with Gary Schoolcraft 1990-5-14 8987 Plumas East of Round Valley Reservoir west of Crescent Mills. Comment
  SJSU6948  Antennaria argentea C. W. Sharsmith 1975-6-17 8223 Plumas near Gray Eagle Creek 1371 Comment
  CDA12083  Antennaria dimorpha G. F. Hrusa, G. L. Webster 1989-5-1 7026 Plumas Modoc Plateau; Beckwourth Pass approx. 3 miles E of Vinton on Hwy 70-at the Plumas/Lassen County line. Comment
  CHSC89284  Antennaria geyeri G. F. Hrusa; Kerr, S. Winterton 2004-6-25 16338 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
  UC176433  Antennaria luzuloides A. A. Heller and P. B. Kennedy 1907-7-5 8737 Plumas Red Clover Valley Comment
  CHSC52921  Antennaria luzuloides subsp. aberrans L. P. Janeway 1989-6-13 3303 Plumas Plumas National Forest. Along S'ly side of Red Clover Valley. 1688 Comment
  CAS-BOT-BC79930  Antennaria microphylla A. A. Heller; P. B. Kennedy 1907-7-5 8749 Plumas Red Clover valley Comment
  CAS-BOT-BC79973  Antennaria microphylla Anna Head 1921-7-14 s.n. Plumas Near Lake Center Camp, Feather River region Comment
  CAS-BOT-BC84648  Anthemis cotula John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-20 2237 Plumas Butterfly Botanical Area and Vicinity, near barn in valley proper 1036 Comment
  POM186516  Anthemis cotula D. D. Keck 1932-7-3 1683 Plumas Quincy, in the Northern Sierra Nevada 1065 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
  CHSC69519  Antirrhinum vexillo-calyculatum subsp. intermedium Lowell Ahart 1997-9-11 7896 Plumas On the west side of Caribou Road, on the west side of the North Fork of the Feather River, about 1/8 mile south of Mosquito Creek, about 5 miles (air) northeast of Belden. 792 Comment
  UCD123492  Antirrhinum vexillocalyculatum subsp. intermedium D. Sanchez-Mata; R. Rodriguez-Rojo 1997-8-16 s.n. Plumas Rick Bar-Virgilia. Plumas National Forest. 820 Comment
  SD52244  Aphyllon epigalium subsp. epigalium F. Stephens 1924-7-1 8329 Plumas Comment
  CHSC57168  Apocynum androsaemifolium L. P. Janeway 1984-7-22 932 Plumas Vicinity of Soapstone Hill; near junction of Oro-Quincy Hwy and the road to Duffy Dome. 1639 Comment
  UC711905  Apocynum androsaemifolium Roxana S. Ferris and Laura Lorraine 1941-8-8 10417 Plumas 3 mi. from Greenville (on rd. to Lake Almanor) Comment
  SEINET7923496  Apocynum androsaemifolium M. J. Williams, J. T. Howell, W. Follette 1977-8-11 77- 68 -7 Plumas Road from Chilcoot along Last Chance Creek to Frenchman's 1707 Comment
  RSA59699  Apocynum androsaemifolium subsp. pumilum E. K. Balls 1950-9-9 15768 Plumas 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet 2073 Comment
  CAS-BOT-BC397894  Aquilegia formosa Lowell Ahart 1979-7-18 s.n. Plumas Ca 1 mi. W of Pilot Pk. 2000 Comment
  UC569712  Aquilegia formosa E. Sawyer 1935-6-24 139 Plumas 4 1/2 mi e Crow; Sierraville Quadrangle 1828 Comment
  CAS-BOT-BC397890  Aquilegia formosa Lowell Ahart 1982-7-30 3737 Plumas Along the edge of the dirt road and near a small stream, 2 miles north of the Hardquartz Mine, about 5 miles south of Bucks Lake. 1700 Comment
  SEINET5337609  Aquilegia formosa A. A. Heller, P. B. Kennedy 1907-7-15 8847 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  SEINET10448417  Arabis constancei Mary Susan Taylor 1982-6-1 Taylor 4579 Plumas T27N R8E sw sec 36. Almanor NE quad. Between spur rd & 27n92, nw of Gold- stripe Mine, ca. 4 air mi w of Green- ville. 5300 ft. 1615 Comment
  SEINET10874431  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4471 Plumas T26N R9E nw/ne sec 7. Almanor NE quad. On serpentine, both sides of spur rd off 26N18, ca. 0.5 mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5500 ft. 1676 Comment
  JEPS88520  Arabis glabra Vernon H. Oswald and Lowell Ahart 1996-7-15 8029 Plumas e side of arm extending n from the Hwy 36 causeway, s of the point where the road to Last Chance Campground (28N11) begins to parallel lake Lake Almanor; High Cascade Range 1371 Comment
  RSA74141  Arabis holboellii var. retrofracta Milo S. Baker 1952-5-24 12449 Plumas Hwy 89 at head of Pine Valley. 915 Comment
  SEINET5340400  Arabis holboellii var. retrofracta A. A. Heller, P. B. Kennedy 1907-7-3 8713 Plumas Hills above Red Clover Valley. 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
  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
  CAS-BOT-BC407711  Arceuthobium abietinum John Thomas Howell 1926-7-25 2115 Plumas near Prattville 1463 Comment
  RSA101401  Arceuthobium abietinum R. Weatherby 1955-8-6 1674 Plumas Near Claremont Peak, Quincy area. 2012 Comment
  CHSC43231  Arceuthobium campylopodum Lowell Ahart 1987-9-18 5888 Plumas About 4 miles southeast of Cascade, on a part of the Lava Cap, northeast of Feather Falls. 1341 Comment
  UCD101944  Arceuthobium campylopodum John Thomas Howell 1960-7-20 35784 Plumas Between Boiling Springs Lake and Terminal Geyser. 1859 Comment
  CAS-BOT-BC102209  Arctium minus L. P. Janeway 1993-8-26 4545 Plumas Portola quad Northwest corner of Sierra Valley; on south side of Middle Fork Feather River 1484 Comment
  CAS-BOT-BC38481  Arctostaphylos mewukka subsp. truei John Thomas Howell 1976-4-2 51570 Plumas Injun Jim Campground, North Fork Feather River 609 Comment
  CAS-BOT-BC40007  Arctostaphylos nevadensis John Thomas Howell 1926-7-27 2146 Plumas Near Prattville 1676 Comment
  CAS-BOT-BC40014  Arctostaphylos nevadensis Gladys L. Smith 1976-6-7 4584 Plumas North end of summit ridge, secondary road between Rt. 70 and LaPorte. 1950 Comment
  JEPS48506  Arctostaphylos nevadensis Esther Fritz 1933-7-4 Plumas summit and slopes Spanish Peak 2133 Comment
  SD147957  Arctostaphylos nevadensis Robert J. Weatherby 1955-6-22 1538 Plumas Spanish Peak 2135 Comment
  RSA139616  Arctostaphylos patula E. Nourse 1934-7-31 2 Plumas Chaparral Hill, Plumas National Forest. Bidwell Bar Quadrangle. 1616 Comment
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Aug 31 2015
  CAS-BOT-BC47026  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1986-2-6 5220 Plumas Between bridge over n. fork of Feather River near Pulga and Jarboe Gap. 640 Comment
  CDA19217  Arctostaphylos viscida subsp. viscida G. D. Barbe, T. C. Fuller 1982-6-16 3793 Plumas Plumas National Forest; below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  UCD52824  Arctostaphylos viscida subsp. viscida E. W. Jameson 1948-11-20 s.n. Plumas 4 mi. north of Quincy. 1097 Comment
  CHSC118775  Arctostaphylos viscida subsp. viscida Wendy L. Boes 2016-8-21 2016 -036 Plumas Plumas National Forest. On a ridge between Yellow Creek and the North Fork of the Feather River along Forest Road 26N26. (UTM 650359 E, 4435221 N, NAD 83 Zone 10 North.) 1484 Comment
  CHSC91921  Arenaria aculeata L. P. Janeway 2005-7-30 8501 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
  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
  UC1552736  Arenaria congesta var. congesta Frederica Bowcutt 1985-6-6 565 Plumas About 1/8 mi n Beckwourth Genesee Road (About 15 air mi ne Quincy 1 mi of Drum Bridge); Plumas National Forest; SW1/4 NE 1/4 Comment
  SEINET10537556  Arenaria kingii var. glabrescens Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4321 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CHSC54462  Arnica chamissonis Vernon H. Oswald; Lowell Ahart 1991-7-30 4784 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CAS-BOT-BC82227  Arnica chamissonis L. P. Janeway 1992-6-4 4217 Plumas along Bonta Creek in wooded pasture between Mohawk Ranger Station barracks and Middle Fork Feather River 1318 Comment
  CHSC118660  Arnica chamissonis Reed Kenny 2015-7-11 2015006 Plumas Plumas National Forest. Location northwest shore of Antelope Lake, northeast of Forest Service road 28N03 and 28N31. UTM 701731 E, 4453804 N, NAD83 Zone 10N. 1585 Comment
  UC579655  Arnica cordifolia E. Sawyer 1935-5-22 27 Plumas 1 1/4 mi ne Beckwith Butte; Plumas National Forest, Sierraville Quad. 1706 Comment
  CHSC94185  Arnica dealbata Lowell Ahart 2006-7-3 12906 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, near the west edge of a dry open basalt flat with scattered trees. 1527 Comment
  RSA718391  Arnica dealbata L. Ahart 2006-7-3 12906 Plumas About 0.25 mile N of Lumpkin Ridge road, on Lumpkin Ridge, 4 miles (air) NE of Camp 18 1528 Comment
  JEPS107607  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
  SBBG128289  Arnica discoidea L. Ahart, J. Dittes 2009-7-15 16093 Plumas under the power line, on the S side of Forest Service Rd 26N22, ca. 2.3 mi SE of Butt Valley Reservoir Dam 1517 Comment
  JEPS106038  Arnica mollis Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11166 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
  UCSB63564  Arrhenatherum elatius Jokerst, James 1985-6-10 Plumas Indian Creek Small Hydro Survey; adjacent to Indian Creek 400 m S of Hwy 70, ca. 2 mi SW of Crescent; T26N R9E SW1/4SW1/4 sec 25 Comment
  SEINET10901560  Arrhenatherum elatius Lawrence P. Janeway 1992-6-4 Janeway 4214 Plumas Johnsville quad T22N, R12E, NW1/4 of SE1/4 of sec. 9. Wooded pasture between Mohawk Ranger Station barracks and Middle Fork Feather River. 1318 Comment
  CHSC71630  Artemisia arbuscula subsp. arbuscula Vernon H. Oswald; Lowell Ahart 1998-8-11 9488 Plumas Northwest of Onion Valley at Monitor Flat on Cleghorn Bar Rd. 2.5 mi west of Quincy-La Porte Rd. (County Rd. 511). 1905 Comment
  CHSC59670  Artemisia cana subsp. bolanderi L. P. Janeway 1992-9-10 4307 Plumas Plumas National Forest. Low sagebrush flats of this on south side of Middle Fork Feather River 1.75 mi west of Beckwourth. 1481 Comment
  SDSU6180  Artemisia douglasiana R. M. Beauchamp 1965-7-17 Plumas Growing in area beside Feather River 1/2 mile north of Chester. Comment
  SEINET6775420 Image available Artemisia douglasiana A. A. Heller, P. B. Kennedy 1907-7-17 8876 Plumas Red Clover Valley Comment
  JEPS113429  Artemisia tridentata subsp. tridentata Lowell Ahart, John Dittes 2007-8-9 14435 Plumas About 30 yards west of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  RSA716597  Artemisia tridentata subsp. tridentata L. Ahart, John Dittes 2005-9-19 12414 Plumas About 1.5 miles southeast of Kettle Rock, about 1.5 miles southeast of Taylor Lake 2008 Comment
  SEINET252472  Artemisia tridentata subsp. wyomingensis L. M. Shultz, Heather Garrison 2006-8-3 20319 Plumas Between Quicy and Reno, ca. 2 miles west of Vinton on south-facing slope. 1513 Comment
  CHSC101790  Asclepias cordifolia Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15851 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC101924  Asclepias speciosa Lowell Ahart; John Dittes 2009-7-13 16056 Plumas West 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-BC97477  Aster Clare B. Hardham 1978-8-11 21803 Plumas Red Clover Creek Road 1219 Comment
  RSA60264  Aster breweri E. K. Balls 1950-9-1 15585 Plumas east shore of Long Lake, toward Mt. Elwell 2104 Comment
  RSA712638  Aster breweri L. P. Janeway, B. Castro 2005-9-11 8546 Plumas Northern High Sierra Nevada. Near the Pacific Crest Trail abut 0.6 km north of Three Lakes 1899 Comment
  CHSC103139  Aster campestris Lowell Ahart; John Dittes 2009-9-7 16375 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CDA30195  Aster eatonii L. Ahart, J. Dittes 2009-8-28 16353 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
  RSA754866  Aster eatonii L. Ahart, John Dittes 2009-8-28 16353 Plumas N side of Forest Service Road 27N98, headwater of Clear Creek, about 2 air miles N of Butt Valley Reservoir Dam, about 3 air miles SW of Lake Almanor Reservoir Dam. 1477 Comment
  SEINET10474122  Aster foliaceus Mary Susan Taylor 1981-8-19 Taylor 4223 Plumas California: T23N R11E nw 1/4 of se 1/4 sec 18. Blue Nose Mt quad. Along creek, 0.1 mi W of Peoria Creek, ca. 2.5 mi W of Sloat. Plumas County. 4400 ft. 1341 Comment
  CDA13763  Aster integrifolius G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13498 Plumas Sierra Nevada; Upper Bull Run Creek off USFS 23N12E. Comment
  RSA507795  Aster integrifolius J. C. Semple, S. Heard 1986-8-13 8415 Plumas Little Grassy Lake Road, near Little Grassy Valley Rec. area, between Laporte and Quincy Comment
  RSA59444  Aster occidentalis var. fremontii E. K. Balls 1950-9-8 15726 Plumas Lakes Center Public Campground 2043 Comment
  CHSC57428  Astragalus lentiformis L. P. Janeway; Garrett Gibson 1991-6-13 4003 Plumas Plumas National Forest. Ca 1/4 mi west-northwest of Claireville Flat, ca 1/2 mi southeast of Hwy 70 and Willow Creek. 1484 Comment
  JEPS109858  Astragalus lentiformis Dean W. Taylor 2006-5-27 19533 Plumas Frenchman Lake; hillslopes north of Frenchman Creek 1 mile west of junction of Frenchman Lake Road and Forest Road 01, Plumas National Forest 1706 Comment
  SEINET12166452  Astragalus lentiformis L. P. Aneway 1989-1 3478 Plumas Croker Mtn quad. T24N R13E NW 1/4 of SE 1/4 of sec. 13. 1/2mi SW of Beckwurth-Genesee Rd see below 1699 Comment
  SEINET5325466  Astragalus lentiformis H. N. Mozingo 1969-7-24 s.n. Plumas Portola, School grounds Comment
  CHSC118065  Astragalus pulsiferae var. pulsiferae R. Ondricek-Fallscheer 1999-6-26 194 Plumas About 6 1/2 air mi ENE of Beckwourth and 2 1/2 air mi N of Hwy 70; ca. 25 ft. N (upslope) from USFS Rd. 23N71 and 150 ft. E of the stream which is in the steep ravine. Slope 20%. 1645 Comment
  CHSC52413  Astragalus purshii L. P. Janeway 1989-6-29 3419 Plumas Plumas National Forest. Along edges of rd 24N44Y, 0.3 mi E of Beckwourth-Genesee Rd (rd 111) 6.5 mi N of Beckwourth; across from the Crocker Station. 1755 Comment
  CHSC60537  Astragalus purshii var. tinctus L. P. Janeway 1992-5-14 4183 Plumas Plumas National Forest. North side of Dotta Neck in Dotta Canyon along road on northeast side of canyon. 1712 Comment
  CAS-BOT-BC200859  Astragalus webberi Gary Schoolcraft 1984-6-27 1279 Plumas About 1 mile s. of Crescent Mills 1097 Comment
  CAS-BOT-BC27731  Astragalus webberi John Gill Lemmon 1874-1-1 s.n. Plumas Sierra Valley Comment
  SD8534  Astragalus webberi Mrs. R. M. Austin 1877-1 Plumas Indian Valley Comment
  CAS-BOT-BC198677  Astragalus whitneyi var. whitneyi Clare B. Hardham 1961-6-16 7445 Plumas Diamond Peak - Sierra Nevada 2255 Comment
  CAS-BOT-BC69501  Athyrium filix-femina var. californicum Lowell Ahart 1980-9-17 2653 Plumas Near lake, 1/2 mi. w. of Fowler Pk. 487 Comment
  CHSC42030  Athyrium filix-femina var. cyclosorum Lowell Ahart 1986-9-10 5394 Plumas On the bottom of the South Fork of the Feather River, about 3/4 mile east of the Feather Fork Mine, about 9 miles north-east of La Porte. 1706 Comment
  JEPS35106  Athyrium filix-femina var. cyclosorum W. L. Jepson 1924-7-22 10615 Plumas Rich Point; Middle Fork Feather River 1097 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
  CDA18588  Athyrium filix-femina var. cyclosorum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3278 Plumas Sierra Nevada; 1.4 miles above (south of) Main Street, Taylorsville (end of China Grade). 1402 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
  CAS-BOT-BC66243  Azolla mexicana John Thomas Howell 1961-9-23 36859 Plumas Indian Valley 1082 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
  CHSC35273  Azolla microphylla M. S. Taylor 1981-8-5 4166 Plumas In Indian Valley, s side of Hwy 206, 1.5 mi e of its jct with Hwy 89 just n of Cresent Mills. 1066 Comment
  JEPS32703  Balsamorhiza hookeri Lewis S. Rose 1963-6-4 63121 Plumas 2 mi s of Beckwourth; Sierra Valley 1463 Comment
  CAS-BOT-BC16560  Barbarea orthoceras John Thomas Howell 1960-7-18 35530 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CHSC81354  Barbarea orthoceras L. P. Janeway 1996-5-13 4965 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
  NY572122  Bassia hyssopifolia W. Harnach 2000-8-23 999 Plumas Sierra Valley; 1 mile west of the Steel Bridge on Marble Lane. 1485.9 Comment
  CAS-BOT-BC145812  Beckmannia syzigachne John Thomas Howell 1951-8-20 28216 Plumas Sierra Nevada. Genesee. 1127 Comment
  RSA52909  Beckmannia syzigachne R. Weatherby 1950-7-27 1502 Plumas Indian Creek, 2 miles south of Crescent Mills. 1037 Comment
  CAS-BOT-BC102171  Bidens cernua Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1444 Plumas Butterfly Botanical Area and Vicinity. Spanish Creek near confluence of Butterfly Creek. 883 Comment
  CHSC57305  Bistorta bistortoides L. P. Janeway 1984-9-1 1135 Plumas On Sierra crest, near drainage channel draining northwest (towards Jamison Lake), in soggy meadow bordering a small pond. 2164 Comment
  CAS-BOT-BC16873  Boechera John Thomas Howell 1976-7-16 s.n. Plumas On flood plain of Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC14017  Boechera lemmonii Lowell Ahart 1981-7-21 2944 Plumas Head of Dixon Creek, north of Pilot Peak. 1800 Comment
  CHSC67351  Boechera pauciflora J. D. Jokerst; R. Schlising, Ahart 1984-5-19 2020 Plumas On outcrop that is the lowermost portion of a spur ridge at the bottom of the canyon of the North Fork of the Feather River. Adjacent to Caribou Rd. several miles north of Belden, also north of the Queen Lily Campground, where road curves from east-west to north-south around spur ridge. Comment
  CHSC117484  Boechera pinetorum Lowell Ahart 2016-6-29 21071 Plumas Top and southwest part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC87831  Boechera pinetorum Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 10995 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
  CHSC91949  Boechera pinetorum Lowell Ahart; Josephine Guardino 2005-8-9 12281 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC43442  Boechera platysperma Lowell Ahart 1974-8-3 588 Plumas Near Mount Etna, about 5 miles east of the Bunker Hill Mine, about 14 miles north-east of La Porte. 1828 Comment
  SEINET3166403  Boechera puberula P. J. Alexander 2009-5-25 1041 -A Plumas East slope of the northern Sierra Nevada, S side of Frenchman Reservoir, 0.25 miles E of the center of the dam, 7.1 miles NNW of Chilcoot, Plumas National FOrest. 1747 Comment
  SEINET4339633  Boechera rectissima C. D. Bailey, E. Bailey 2009-7-21 292 -A, B, C Plumas Sierra Nevada: Plumas National Forest, in the Lakes Basin area west of Graeagle and east of Sierra City. Between Grassy Lake and the turnoff to Graeagle Lodge. 1943 Comment
  CAS-BOT-BC25410  Boechera retrofracta John Thomas Howell; Gordon H. True 1969-6-23 45835 Plumas SIerra Nevada. On Middel Fork of Feather River at Nelson Point. 1249 Comment
  CAS-BOT-BC25581  Boechera retrofracta Mrs. H. C. Cantelow 1938-7-4 2292 Plumas Drakesbad. Comment
  CHSC72444  Boechera retrofracta L. P. Janeway 1998-6-22 5650 Plumas About 1.5 mi northwest of Moonlight Peak; above Road 28N08 1.1 mi northeast of Road 29N46. 1981 Comment
  JEPS102850  Boechera retrofracta Lowell Ahart 2001-7-17 8932 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
  CAS-BOT-BC25593  Boechera retrofracta W. W. Wagner 1919-5-18 255 Plumas Sockum Creek. 1371 Comment
  CAS-BOT-BC25596  Boechera retrofracta M. S. Taylor 1981-5-11 3685 A Plumas Along Beckwourth-Genesee Valley Road, ca. 0.5 mile south of Flournoy Bridge and junction of highway 89. 1158 Comment
  CHSC89285  Boechera suffrutescens G. Douglas Barbe; T. C. Fuller 1982-6-15 3730 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  POM248780  Boisduvalia densiflora L. S. Rose 1934-7-23 34405 Plumas Vinton 1524 Comment
  UCD136847  Botrychium multifidum Dean W. Taylor; Dennis W. Stevenson, Rexford E. Palmer 1974-10-1 s.n. Plumas Along trail 1/2 mile north of Grass Lake. Comment
  CHSC82540  Botrychium simplex Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9834 Plumas On the extreme northwest side of a meadow, about 40 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. 1723 Comment
  CDA42736  Botrychium simplex var. compositum L. Ahart 2002-9-8 9934 Plumas 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 Comment
  CHSC61017  Botrychium simplex var. compositum Vernon H. Oswald; Lowell Ahart 1993-8-3 5768 Plumas Unnamed lake ca. 0.25 mi E of Hwy Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. 1926 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
  CAS-BOT-BC418416  Boykinia occidentalis E. Sutliffe 1920-9-1 s.n. Plumas Gold Valley 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
  CAS-BOT-BC106228  Brickellia californica L. P. Janeway 1993-9-1 4575 Plumas Soda Creek 0.1 mi northwest of Hwy 70 and the East Branch North Fork Feather River. Northeast facing dirt road cutbank 914 Comment
  SEINET10904924  Brickellia grandiflora Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4972 Plumas T22N R11E nw/nw sec 34. Sierra City NW qud. Along n side of Jamison Creek Rd (507), on cliffs, ca. 1 mi w of Plumas -Eureka State Park, ca. 3 mi sw of Johnsville. 5900 ft. 1798 Comment
  JEPS102631  Brickellia greenei Lowell Ahart 2001-7-17 8931 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
  CAS-BOT-BC478972  Brodiaea californica subsp. californica A. A. Heller; B. B. Kennedy 1907-7-11 8796 Plumas Pratville Comment
  JEPS34439  Brodiaea minor Rimo Bacigalupi and Tsang Iang Chuang 1963-8-2 8915 Plumas along state hwy 89 1.8 mi wnw community of Almanor; Lassen National Forest 1389 Comment
  RSA0089039  Brodiaea multiflora Bonnie C. Templeton 1968-6-9 11254 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  SEINET3884981  Brodiaea multiflora Lewis S. Rose 1963-6-5 63130 Plumas 3 mi n of Quincy.; 0 1097 Comment
  UC196408  Bromus briziformis H. S. Yates 1913-7-20 Plumas Massack 1432 Comment
  CAS-BOT-BC149309  Bromus carinatus var. carinatus John Thomas Howell; Gordon H. True 1967-7-9 43245 Plumas Sierra Nevada. North Fork of Feather River at Caribou. 914 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
  SEINET935017  Bromus carinatus var. marginatus Lewis S. Rose 1951-1 51021 Plumas Johnsville 1600 Comment
  CAS-BOT-BC148701  Bromus carinatus var. marginatus George W. Gillett 1957-7-17 794 Plumas Lassen Volcanic National Park. Moist gully running into stream running from Little Willow Lake into Willow Lake. 1767 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
  JEPS106343  Bromus ciliatus Lowell Ahart 2004-7-27 11318 Plumas On the east side of the dirt road (Forest Road 10), about 100 yards northeast of the bridge across Hopkins Creek, about 1 1/4 miles (air) southwest of Blue Nose Mountain, about 9 3/4 miles (air) northeast of La Porte 1711 Comment
  CAS-BOT-BC155927  Bromus commutatus John Thomas Howell 1951-6-26 27538 Plumas Sierra Nevada. Feather River Canyon. 853 Comment
  CAS-BOT-BC155799  Bromus diandrus Lewis S. Rose 1968-6-10 68086 Plumas Quincy. 1036 Comment
  CAS-BOT-BC156001  Bromus diandrus John Thomas Howell 1962-6-17 37689 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  UCD58848  Bromus inermis John Thomas Howell; Gordon H. True 1967-7-11 43379 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  UC1131201  Bromus madritensis subsp. rubens G. T. Nordstrom 1934-7-10 212 Plumas 2 1/2 mi sw of Gravel Range (Plumas National Forest); Plumas National Forest 1493 Comment
  JEPS28302  Bromus orcuttianus George W. Gillett 1957-7-17 805 Plumas Lassen Volcanic National Park, in upper Willow Lake Meadow, near east inlet Willow Lake Meadow; Lassen Volcanic National Park, Willow Lake Meadow 1661 Comment
  JEPS106344  Bromus suksdorfii Lowell Ahart 2004-7-27 11320 Plumas On the west side of the dirt road (Forest Road 10), near the Pacific Crest Trail, on Bunker Hill Ridge, about 1 1/8 miles (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte 2099 Comment
  CAS-BOT-BC161412  Bromus tectorum John Thomas Howell 1960-7-20 35766 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  SBBG504  Bromus tectorum A. A. Beetle 1941-6-28 2773 Plumas W side of Lake Almanor 1219 Comment
  UCD60056  Bromus tectorum V. P. Osterli 1950-6-1 s.n. Plumas Plumas County. Comment
  UCD60043  Bromus tectorum var. glabratus August L. Hormay 1932-6-11 s.n. Plumas Middle Fork of the Feather River, 10 miles east of Quincy. Comment
  CHSC117315  Bromus vulgaris L. P. Janeway 2016-8-10 12150 Plumas Northern High Sierra Nevada. Plumas National Forest; about 100 m south of Gibsonville-Johnsville Road on east side of Continental Ravine (a tributary of West Branch Nelson Creek). 1830 Comment
  RSA700313  Bromus vulgaris L. Ahart 2004-7-27 11314 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. 1646 Comment
  CHSC92116  Calamagrostis canadensis Lowell Ahart; John Dittes 2005-9-20 12429 Plumas On the west shore of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  SEINET10520727  Calamagrostis canadensis Vernon H. Oswald, Lowell Ahart; L. Hanson 1989-7-31 Oswald 3905 Plumas T22N R9E nw/nw/S17, Freshwater Marsh in Red Fir Forest. Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pak. Locally abundant on a small, floating bog. 1670 Comment
  CHSC111738  Calamagrostis stricta subsp. inexpansa Lowell Ahart 2012-7-1 18253 Plumas About 250 yards northwest of Caribou Road, about 4 miles (air) northeast of Belden. 850 Comment
  UC1042413  Calandrinia ciliata John Thomas Howell 1951-6-28 27688 Plumas Jamison Creek Sierra Nevada 1584 Comment
  RSA39892  Callitriche verna P. A. Munz 1947-5-16 11838 Plumas 8 miles N of Chilcoot. 1524 Comment
  CAS-BOT-BC85758  Calocedrus decurrens S. E. Hirstel 1926-7-1 s.n. Plumas Near Greenville Comment
  CHSC4454  Calocedrus decurrens C. Glascock 1965-2-6 214 Plumas 6.5 mi. E of Rich Bar turnoff on Hwy 70. Ca. 100 yds W of abandoned service station and cabin. Comment
  UCD132884  Calocedrus decurrens John Thomas Howell 1960-7-20 35752 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CHSC21535  Calochortus leichtlinii D. Brink; L. Mayer 1975-7-10 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC60162  Calochortus leichtlinii L. P. Janeway 1992-7-10 4259 Plumas Plumas National Forest. About 0.5 mi northeast of the top of Grizzly Ridge in upper drainage of Joseph Creek. 2090 Comment
  CHSC76152  Calochortus leichtlinii G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3206 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  CAS-BOT-BC491827  Calochortus leichtlinii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54358 Plumas Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Reservoir 1584 Comment
  CAS-BOT-BC491843  Calochortus leichtlinii Alice Eastwood 1927-6-1 14569 Plumas Forest Lodge, Greenville Comment
  RSA122279  Calochortus leichtlinii E. Sawyer 1935-6-4 70 Plumas 3.25 miles southeast of Beckwith Butte 1585 Comment
  UCSB16089  Calochortus leichtlinii Breedlove, Dennis 1962-6-13 Plumas Along State Highway 89, 2 miles south of Graeagle, Sierra Nevada 1402 Comment
  CAS-BOT-BC483472  Calochortus minimus E. K. Balls; L. W. Lenz 1956-6-19 21838 Plumas 0.3 mile east along State Highway 89, past P.G.&E. Dam, Lake Almanor 1432 Comment
  CAS-BOT-BC483477  Calochortus minimus Elmer I. Applegate 1929-6-20 5762 Plumas Warner valley below Drakesbad, Mt. Lassen region Comment
  CAS-BOT-BC483483  Calochortus minimus John Thomas Howell 1960-7-22 35896 Plumas Devil's Kitchen to Drakesbad, Lassen Volcanic National Park 1828 Comment
  CHSC2442  Calochortus nudus R. Carter 1965-7-6 268 Plumas Found 0.25 mi. S of intersection of Oroville-Quincy Rd. and U. S. F. S. road 24N33, on N side of Oroville-Quincy Rd. ca. 15' from road. 1767 Comment
  CHSC37195  Calochortus nudus L. Ahart 1982-7-30 3735 Plumas Along edgeof dirt rd, ca. 2 mi n of Ohio Ravine, ca. 3 mi n of Hardquartz Mine, ca. 4 mi s of Bucks Lake. 518 Comment
  SD46482  Calochortus nudus Robert J. Weatherby 1955-7-26 1662 Plumas Locally common in dry soil at edge of meadow. Meadow near upper end of Three Lakes trail, near Spanish Peak. 2073 Comment
  CAS-BOT-BC175766  Caltha leptosepala Mrs. H. C. Cantelow 1940-5-11 s.n. Plumas 3.7 miles east of Bucks Lake Comment
  LA207378  Caltha leptosepala Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CHSC34901  Calycadenia truncata M. S. Taylor 1981-8-31 4250 Plumas Headwaters of Calf Pasture Creek, ca. 4 mi E of Clio. 1706 Comment
  JEPS15245  Calycadenia truncata Rimo Bacigalupi with J. R. Sweeney and G. Bacigalupi Jr. 1953-8-31 4346 Plumas about 2 mi e of, along roadside, road from Greenville to Indian Agency Greenvile; Indian Valley 1005 Comment
  CAS-BOT-BC271528  Calycadenia truncata subsp. truncata M. S. Taylor 1981-8-31 4250 Plumas Headwaters of Calf Pasture Creek, ca. 4 mi. e. of Clio 1706 Comment
  CHSC82494  Calyptridium monospermum Lowell Ahart 2002-6-26 9777 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
  UC1035979  Calyptridium monospermum Helen K. Sharsmith 1955-6-28 4527 Plumas near Pulga (East Branch of North Fork Feather River); North Fork Feather River 609 Comment
  SEINET10674988 Image available Calyptridium monospermum A. Arthur Heller 1938-5-30 Heller 15132 Plumas Granite sand along the Feather river near Bucks Creek power house. Rather common for several miles but not noted outside of the granite. Comment
  CHSC20837  Calyptridium umbellatum K. R. Stern 1975-7-23 5825 Plumas NW shore of Lake Almanor. 1371 Comment
  SEINET198561  Calyptridium umbellatum H. K. Sharsmith 1955-6-28 4527 Plumas E Branch of N Fork of Feather River near Pulga 610 Comment
  CAS-BOT-BC221249  Calystegia malacophylla subsp. malacophylla John Thomas Howell 1962-6-17 37664 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC221246  Calystegia malacophylla subsp. malacophylla Margaret J. Williams 1980-6-13 80- 66 -1 Plumas Caribou Power Station Road, north of Hwy 70 1066 Comment
  JEPS105978  Calystegia occidentalis subsp. occidentalis Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 10998 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
  CHSC2247  Camassia quamash subsp. breviflora A. Stone 1937-6-15 Plumas East of Quincy. 1036 Comment
  CHSC34285  Camissonia tanacetifolia M. S. Taylor 1981-7-13 3991 Plumas Jct Last Chance Creek and 26N01 at its jct with 28N03 (101), 2 mi e of Jordan Flat, ca. 10 mi w of Doyle. 1798 Comment
  RSA186589  Camissonia tanacetifolia subsp. quadriperforata Peter H. Raven 1963-5-28 18419 Plumas 3.1 miles west of Vinton Comment
  RSA186579  Camissonia tanacetifolia subsp. tanacetifolia T. Mosquin, J. M. Gillett 1963-7-14 5302 Plumas Middle Fork of Feather River just N of Mohawk Comment
  JEPS104409  Campanula prenanthoides Lowell Ahart 2003-10-15 10638 Plumas Old gold mined flat area, ca 1/4 mi south of Forest Rd 22N94E, ca 1/2 mi south of Forest Rd 22N94, on Hartman Bar Ridge, ca 1 mi (air) sw of Franklin Hill, ca 4 1/2 mi (air) nw of Tamarack Flat, ca 9 mi (air) nw of La Porte. 1509 Comment
  SEINET10463033  Campanula prenanthoides Ira L. Wiggins 1948-9-15 Wiggins 12052 Plumas RIDGE BETWEEN ONION CR & MIDDLE FORK FEATHER RIVER Comment
  SEINET10905901  Campanula prenanthoides Willis L. Jepson 1929-7-29 Jepson 19274 Plumas Spring Hill Trail, Meadow Valley 1219 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
  CAS-BOT-BC37225  Cardamine bellidifolia Wayne D. Dakan 1969-6-20 s.n. Plumas Sierra Nevada. Taylor Lake. Comment
  JEPS95378  Cardamine breweri Lowell Ahart 1994-6-17 7354 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  POM95613  Cardamine breweri Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC471264  Cardamine cordifolia John Thomas Howell; Gordon H. True; Wayne Dakan 1974-7-30 50635 Plumas Sierra Nevada. Headwaters of Indian Creek SE of Diamond Mt. 2164 Comment
  CHSC72445  Cardamine nuttallii var. covilleana L. P. Janeway 1998-6-22 5648 Plumas About 1 mi south of Indicator Peak; along Road 28N08 3.0 mi northeast of Road 29N46. Near ridge top. 2042 Comment
  CHSC81355  Cardamine oligosperma L. P. Janeway 1996-4-11 4954 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwst of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  CAS-BOT-BC38089  Cardamine pachystigma Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-8 1788 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 883 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
  JEPS96800  Cardamine pachystigma Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15944 Plumas Feather River Canyon; along Highway 70 near Rock Creek dam; Plumas National Forest 579 Comment
  JEPS115937  Carex amplifolia Lowell Ahart, John Dittes 2009-7-13 16029 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
  UC1133443  Carex amplifolia Beryl O. Schreiber 1938-7-10 2529 Plumas 1/4 mi s U.C. Forestry Camp (near Meadow Valley); Plumas National Forest, Bidwell Bar Quadrangle Comment
  SEINET10872734  Carex amplifolia Mary Susan Taylor 1982-8-9 Taylor 4947 Plumas T26N R8E ne/sw sec 3. Almanor NE quad. Jct rd 26N17Y & Pliocene Creek, ca. 1 mi nw of Rattlesnake Hill, ca. 2 mi s of Canyon Dam. Mixed Evergreen Forest; 5400 ft. 1646 Comment
  CHSC55429  Carex angustata L. P. Janeway 1984-7-12 906 Plumas Southwest of Bucks Lake, near Grizzly Cr campground. 1584 Comment
  CHSC85979  Carex angustata L. P. Janeway 2003-7-19 7906 Plumas High Cascade Range. At eastern end of Willow Lake along the small stream channel draining the lake. 1655 Comment
  CDA17815  Carex angustata G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-23 3164 Plumas Long Valley Region; Long Valley, 0.4 mile S of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CAS-BOT-BC19723  Carex athrostachya John Thomas Howell 1926-7-26 2131 Plumas Near Prattville. 1371 Comment
  CAS-BOT-BC19728  Carex athrostachya John Thomas Howell 1962-6-18 37753 Plumas Sierra Nevada. Sierra Valley near Beckwourth. 1487 Comment
  CHSC92298  Carex athrostachya Lowell Ahart; Josephine Guardino 2005-8-9 12254 Plumas In a small meadow and near a small drainage, 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. 1635 Comment
  HSC7051  Carex athrostachya L. S. Rose 1967-7-9 67143 Plumas Quincy 1037 Comment
  SEINET4292084 Image available Carex athrostachya L. Janeway, Castro, B 2003-1 7981 Plumas High Cascade Range. Near un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. Comment
  SEINET4292088 Image available Carex athrostachya L. Ahart, Guardino, J 2005-1 12269 Plumas Yellow Pine Forest. In a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miair) NW of the Boulder Creek Work Center at Antelope Lake Comment
  UC1133322  Carex athrostachya E. Sawyer 1935-6-22 168 Plumas Charlies Valley 1524 Comment
  CAS-BOT-BC19137  Carex aurea Lewis S. Rose 1967-7-10 67150 Plumas 3 miles west of Keddie. Butterfly Valley. 1097 Comment
  CHSC43004  Carex aurea L. P. Janeway; B. Castro 1987-7-17 2487 Plumas Unnamed western fork of Mohawk Cr; vicinity of Clio. Ca 2 mi south (via rd) of the rd to Lakes Basin. 1584 Comment
  CHSC56884  Carex aurea L. P. Janeway; Garrett Gibson 1991-8-2 4100 Plumas Plumas National Forest. Meadow stringer along Humbug Creek; southeast flank of Smith Peak. 1828 Comment
  CHSC87988  Carex aurea Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11157 Plumas Edge of a small seep, 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
  CHSC46994  Carex bolanderi L. P. Janeway 1989-8-2 3551 Plumas Plumas National Forest. Where rd 23N08 crosses a southwestern fork of Bear Cr ca 1 mi NE from top of Eureka Ridge. 1752 Comment
  SEINET191585  Carex bolanderi Lewis S. Rose 1939-6-8 39271 a Plumas S. end of Lake Almanor 1372 Comment
  RSA754531  Carex brainerdii L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15861 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  SEINET13344652  Carex brainerdii J. T. Howell, Gordon H. True 1967-5-7 42186 Plumas Sierra Nevada, Injin Jim Campground [now James Lee Campground] at confluence of Granite Creek and North Fork of Feather River 610 Comment
  CAS-BOT-BC19641  Carex brainerdii L. P. Janeway 1990-7-3 3759 Plumas Plumas National Forest. Beckwourth Ranger District. 1874 Comment
  UCD140197  Carex brainerdii L. P. Janeway 1996-6-4 4985 Plumas 0.5 mile northeast of Deer Creek and 2.0 mile south of Spanish Creek; north side of logging spur road 0.6 mile east of Road 24N23X. 1318 Comment
  SEINET7553523 Image available Carex canescens L. P. Janeway 2003-7-9 7904 Plumas High Cascade Range. South edge of marsh at southeast end of Willow Lake. Mt. Harkness 7.5' quad. 1656 Comment
  SEINET7556168 Image available Carex cusickii L. P. Janeway 2003-7-19 7905 Plumas Mt. Harkness 7.5' Quad. High Cascade Range. 1656 Comment
  CAS-BOT-BC20084  Carex echinata Walter Knight; Irja Knight 1966-6-18 1631 Plumas Butterfly Botanical Area and Vicinity. Area adjacent to Pond Reservoir. 1097 Comment
  CAS-BOT-BC20089  Carex echinata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1499 Plumas Butterfly Botanical Area and Vicinity. Along road at Fern Glen. 1097 Comment
  CHSC91733  Carex echinata G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16272 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: bog. 1158 Comment
  CHSC82446  Carex echinata subsp. echinata Lowell Ahart 2002-7-6 9853 Plumas In a small meadow, about 100 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile southwest of Grizzly Mountain, about 2 miles (air) southwest of Haskins Valley and Bucks Lake. 1844 Comment
  CAS-BOT-BC19867  Carex echinata subsp. echinata John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54383 Plumas Sierra Nevada. 0.25 miles east of Bucks Summit on road to Quincy. 1670 Comment
  CHSC53522  Carex feta Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from the jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  HSC89409  Carex filifolia var. erostrata L. P. Janeway 1989-6-12 3288 Plumas S side of Red Clover Valley along the Beckwourth-Genesee Rd. (rd 111) 1671 Comment
  SEINET11635244  Carex filifolia var. erostrata L. P. Janeway 1989-1 3288 Plumas S side of Red Clover Valley along Backwourth Genesee Rd (rd 111), Plumas NF, Beckwourth Ranger Dist 1670 Comment
  CDA13805  Carex fracta G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13492 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Occasional in dry areas of conifer forest, generally on lower slopes. Perennial, clumping. Comment
  CDA17843  Carex fracta G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-23 3157 Plumas Long Valley, 0.4 mile S of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CHSC76811  Carex fracta G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3059 Plumas 10.6 miles NE of La Porte on La Porte-Quincy Road; 8.3 miles NE of junction, Little Grass Valley Reservoir Road, headquarters of South Fork Feather River. 1889 Comment
  UC825366  Carex fracta Lewis S. Rose 1939-6-7 39254 Plumas 3 mi N of Pulga (N Fork of Feather River) 518 Comment
  CAS-BOT-BC22285  Carex hassei John Thomas Howell 1960-7-18 35508 Plumas Drakesbad. 1828 Comment
  SD130383  Carex hassei John Thomas Howell 1962-6-16 37641 Plumas Sierra Nevada, Feather River North Fork on road to Caribou 730 Comment
  CAS-BOT-BC21974  Carex heteroneura Lowell Ahart 1979-7-18 s.n. Plumas Ca. 2 miles NW of Pilot Peak. 1800 Comment
  JEPS107612  Carex heteroneura var. heteroneura Lowell Ahart, Josephine Guardino 2005-8-10 12320 Plumas South of a small wet meadow, south 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
  CHSC65595  Carex integra L. P. Janeway 1995-7-23 4873 Plumas Meadow at head of western branch of Stag Creek; along Road 22N80Y 0.1 mi north of Road 22N72; about 0.3 mi south-southeast of Table Mountain. 1755 Comment
  CAS-BOT-BC35506  Carex jonesii John Thomas Howell 1960-7-22 35877 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CHSC63292  Carex jonesii Lowell Ahart 1994-6-15 7341 Plumas About 200 yards east 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
  CAS-BOT-BC35508  Carex jonesii John Thomas Howell 1959-9-23 s.n. Plumas 3 mi. from Juniper Lake on road to Chester 1889 Comment
  JEPS87169  Carex lasiocarpa Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5033 Plumas ca. 5 mi (air) ssw Graeagle (via Gold Lake Forest Hwy. (County Rd. 519), just w of Lakes Basin Campground); Grass Lake 1926 Comment
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  SEINET10916825  Carex lasiocarpa Oswald 1990-6-22 OSWALD 4314 Plumas T29N R6E sw/sw/s6, Red Fir Forest. Domingo Lake, ca. 0.5 mi south of Willow Lake ca. 9 mi (air) northwest of Chester. Common rhizomatous sedge in 3-4 dm of water on the north side of the lake. 1768 Comment
  CHSC42824  Carex lemmonii L. P. Janeway 1987-6-20 2283 Plumas Ravine on N side of S Branch Middle Fk Feather R below Whiskey Hill. 1158 Comment
  SEINET3902676  Carex lemmonii Lewis S. Rose 1963-6-3 63097 Plumas Butterfly Valley, 2 mi. SW of Keddie.; 0 1189 Comment
  SEINET7565202 Image available Carex limosa Unknown 2005-9-11 8540 Plumas Northern High Sierra Nevada. North edge of the fen above the middle of the Grassy Lakes, about 0.8 km northeast of Three Lakes. Bucks Lake 7.5' quad. 1896 Comment
  CHSC96053  Carex luzulifolia L. P. Janeway; B. Castro 2006-9-9 8883 Plumas High Cascade Range. About 200 m east of Jedidian Colter Lake (between Blue Lake and North Arm Rice Creek). Broad flat meadow informally named Sheeba's Meadow. 1969 Comment
  JEPS120536  Carex luzulina L. P. Janeway 2013-6-2 11123 Plumas Northern High Sierra Nevada. Small meadow 0.3 km east-southeast of the Buckthorn survey monument on the eastern end of Red Mountain. Comment
  CHSC118841  Carex luzulina Noah Siegel 2016-6-3 2016001 C Plumas Plumas National Forest. Located south of Rush Creek Hill just north of Eagle Rock and south of Forest Road 26N67. UTM 660079 E, 4436133 N, NAD 83 Zone 10 North. 1889 Comment
  CAS-BOT-BC31944  Carex microptera John Thomas Howell 1951-6-27 27584 Plumas McRae Meadow. 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
  CHSC94127  Carex multicaulis Lowell Ahart 2006-7-3 12903 Plumas Near the west edge of a basalt flat, about 1/4 mile north of Lumpkin Ridge Road, on Lumpkin Ridge, about 4 miles (air) northeast of Camp 18. 1527 Comment
  SEINET7568479 Image available Carex multicaulis Lewis S. Rose 1963-6-3 63084 Plumas Butterfly Valley, 3 mi SW of Keddie. 1189 Comment
  CHSC55441  Carex multicostata L. P. Janeway 1990-7-2 3749 Plumas Plumas National Forest. About 100 ft west of Paradise Cr and about 1/3 mi south of Little Grizzly Cr. 1828 Comment
  CHSC96041  Carex multicostata L. P. Janeway; B. Castro 2006-9-9 8882 Plumas High Cascade Range. About 100 m east of Jedidiah Colter Lake (between Blue Lake and North Arm Rice Creek). 1975 Comment
  CHSC65600  Carex nebrascensis L. P. Janeway 1995-8-4 4888 Plumas About 1.4 mi north-northeast of Dixie Mountain Lookout; springy meadow between Lookout Creek and Road 25N03. 2026 Comment
  CHSC88942  Carex nebrascensis L. P. Janeway 2004-8-22 8316 Plumas Northern High Sierra Nevada. Along Crocker Creek 0.4 km north of Crocker Meadow. 1731 Comment
  CAS-BOT-BC119684  Carex nervina John Thomas Howell 1951-6-27 27614 Plumas Jamison Creek 1950 Comment
  CHSC77071  Carex nervina G. Douglas Barbe; T. C. Fuller 1982-6-16 3789 Plumas Plumas National Forest. Marshy meadow below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  JEPS120157  Carex nervina Lowell Ahart 2012-9-5 18436 Plumas 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. Comment
  SEINET10850493  Carex nudata David Castaner 1984-5-28 Castaner 857 Plumas Indian Creek Falls. Junction Highways 70 & 89. Stream side. Comment
  CDA17817  Carex pachystachya G. D. Barbe, J. T. Howell (54143 at CAS) & T. C. Fuller 1981-6-23 3112 Plumas 0.25 mile W of Round Valley Reservoir Dam, at NW shore of the reservoir. 1371 Comment
  CAS-BOT-BC119012  Carex pellita D. H. Esplin; R. K. Gierisch 1968-10-3 5 Plumas Crocker Guard Station horse pasture. 1737 Comment
  CHSC66646  Carex pellita Vernon H. Oswald; Lowell Ahart 1996-7-15 8045 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  CHSC67705  Carex pellita James D. Jokerst 1985-7-23 2538 Plumas NW bank of Indian Creek ca. 2 mi SW of Crescent Mills. Inside of wide bend in creek. 1066 Comment
  CAS-BOT-BC118813  Carex preslii James D. Jokerst; Robert A. Schlising 1981-8-1 1453 B Plumas Just N of Butte Co line, S of saddle between Humboldt Peak and Eagle rock, Comment
  CAS-BOT-BC118130  Carex rossii John Thomas Howell 1960-7-22 35913 Plumas Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC118134  Carex rossii John Thomas Howell; R. C. Barneby 1954-5-14 29560 Plumas 11 mi NW of Blairsden Comment
  CHSC53534  Carex rossii L. P. Janeway 1984-7-27 936 Plumas Near Grassy Lake. 1920 Comment
  JEPS127328  Carex rossii Lowell Ahart 2016-6-29 21052 Plumas About 1/2 mile southeast o Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  HSC86853  Carex rossii L. P. Janeway, Gary Benson, Leigh Wingett 1985-8-20 1210 Plumas 1.5 mi. N of Middle Fork Feather River and 4.5 mi. S of Quincy, 9.9 mi. E of Deanes Valley on FS 24N28 & 23N17 1780 Comment
  RSA0079802  Carex rossii John T. Howell, Rupert C. Barneby 1954-5-14 29560 Plumas 11 miles northwest of Blairsden. Comment
  CHSC47349  Carex scabriuscula L. P. Janeway 1989-6-9 3287 Plumas Cyn of E Br N Fk Feather River, 5.4 mi E of the river mouth and Caribou Rd, along Hwy 70. 822 Comment
  CHSC98302  Carex scabriuscula L. P. Janeway 2007-6-3 9028 Plumas Near top of eastern end of Red Mountain, near Road 23N69 0.7 mi northwest of the 18 Road. 1890 Comment
  JEPS105627  Carex scopulorum var. bracteosa L. P. Janeway 2003-9-20 7994 Plumas Northern High Sierra Nevada. At meadow and shallow pond complex in cirque 0.15 km southwest (up-drainage) of Hellgramite Lake; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area 2115 Comment
  RSA60032  Carex scopulorum var. bracteosa E. K. Balls 1950-9-1 15597 Plumas East of Long Lake in meadow, sloping down to 2 smaller lakes. 2104 Comment
  SEINET7574995 Image available Carex scopulorum var. bracteosa L. P. Janeway 2003-9-20 7994 Plumas Northern High Sierra Nevada. In cirque 0.15 km southwest (up-drainage) of Hellgramite Lake; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area. Gold Lake 7.5' quad. 2115 Comment
  CHSC97294  Carex sheldonii Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14464 Plumas About 20 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
  CAS-BOT-BC117739  Carex simulata John Thomas Howell 1960-7-19 35648 Plumas Wet slope near hot springs, Drakesbad. 1828 Comment
  CHSC47340  Carex simulata L. P. Janeway 1989-6-15 3317 Plumas Plumas National Forest. Pond across road from springy slope; jct of roads 111 (Beckwourth-Genesee Rd) and rd 24N49Y; near N end of Crocker Valley. 1730 Comment
  CHSC77174  Carex simulata G. Douglas Barbe; T. C. Fuller 1982-6-17 3864 a Plumas Frenchman Lake Region. 2 miles N of Turkey Point Fishing Access; at the shore of N arm of the lake. 1706 Comment
  CAS-BOT-BC117736  Carex simulata George Wilson Gillett 1957-7-18 836 Plumas Willow Lake, marsh at N end. 1661 Comment
  UC1133451  Carex spectabilis L. S. Smith 1927-8-10 2166 Plumas near Gold Lake; Downieville Quadrangle 1981 Comment
  HSC7076  Carex stipata L. S. Rose 1967-7-9 67144 Plumas Quincy 1037 Comment
  SBBG32346  Carex stipata L. S. Rose 1967-7-9 67144 Plumas Quincy 1036 Comment
  CAS-BOT-BC117370  Carex stipata var. stipata John Thomas Howell 1976-7-15 51845 Plumas Snake Lake, ca 4 mi NW of Quincy 1219 Comment
  CHSC53548  Carex stipata var. stipata Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr 1.5 mi E of Quincy along Hwy 70, on the north side of the road. 1057 Comment
  JEPS110429  Carex subfusca Lowell Ahart 2006-7-9 12923 Plumas Small seep in a small open area in brush, about 10 yards N of the paved basalt road, about 3 3/4 miles (air) NW of Tamarack Flat, about 5 3/4 miles (air) NW of Little Grass Valley Reservoir. 1678 Comment
  RSA97965  Carex subfusca J. T. Howell 1951-6-27 27600 Plumas McRae Meadow. 1982 Comment
  RSA71294  Carex teneriformis L. S. Rose 1951-6-28 51032 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  CHSC116367  Carex utriculata Sara M. Taylor; Scott Batiuk 2012-9-12 71 Plumas Plumas National Forest. Muck Fen. Take Mill Creek Rd to the Mud Lake Rd intersection. On foot, cross to the north side of the river and head WNW. UTM Zone 10, 4423072 N, 652443 E. 1890 Comment
  CHSC31460  Carex vesicaria L. Ahart 1980-10-6 2661 Plumas Along the higher shore area around the lake ca. 0.5 mi w of Fowler Peak, ca. 2 mi n of Little Grass Valley Reservoir. 1700 Comment
  CHSC84924  Carex vesicaria L. P. Janeway; B. Castro 2003-9-6 7977 Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. 2057 Comment
  CAS-BOT-BC114935  Carex whitneyi John Thomas Howell 1951-6-27 27567 Plumas Johnsonville 1584 Comment
  CHSC87129  Carex whitneyi L. P. Janeway 2001-6-15 7181 Plumas High Cascade Range. East side of Humbug Road about 2.7 km southwest of shore of Lake Almanor, 4.0 mi west of Prattville. 1399 Comment
  UCD140982  Carex whitneyi L. P. Janeway 1999-7-17 6509 Plumas gentle south-facing slope at the wide saddle of Humboldt Summit. 2020 Comment
  CAS-BOT-BC114933  Carex whitneyi Lowell Ahart 1977-7-9 1453 Plumas 10 mi NE of La Porte. Edge of the road, 1/2 mi below the Bunker Hill Mine. 1800 Comment
  CDA33170  Carex whitneyi J. T. Howell 1977-6-2 52407 Plumas Sierra Nevada; Below the high water line on the peninsula of Lake Almanor. Comment
  CAS-BOT-BC59033  Cassiope mertensiana Anna Head 1921-1-1 s.n. Plumas Feather River Region Comment
  SEINET3143331  Castanopsis sempervirens E. K. Balls 1950-9-12 15791 Plumas 1.2 mi along trail from Lakes Center Public Campground to Long Lake Outlet 2042 Comment
  CDA18676  Castilleja G. D. Barbe, T. C. Fuller 1982-6-15 3728 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  JEPS81446  Castilleja M. S. Taylor 1982-6-10 4635 Plumas ca 0.5 mi sw Beckwourth (Ramelli Ranch, se of jct of Calpine Rd (109) and Hwy 70); Portola Quad. 1487 Comment
  CAS-BOT-BC248953  Castilleja Francis W. Pennell 1940-6-10 25805 Plumas Route 89, east of Almanor 1493 Comment
  CAS-BOT-BC248955  Castilleja B. Carlson 1981-5-15 028 Plumas Hwy. 431 4.3 mi. E. of jct. Hwy. 395 1524 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
  CAS-BOT-BC249726  Castilleja applegatei subsp. pinetorum F. Thos. Griggs 1975-1-1 227 Plumas Bucks Lake Area Comment
  CAS-BOT-BC249753  Castilleja applegatei subsp. pinetorum Mary Strong Clemens 1920-10-14 s.n. Plumas Greenville Comment
  CHSC117483  Castilleja applegatei subsp. pinetorum Lowell Ahart 2016-6-29 21064 Plumas South slope of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  JEPS17618  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins 1955-7-22 5439 Plumas just off Feather River Highway (U.S. Alt. 40) (along Rock Creek road (P.G.&E Co.)); Rock Creek 472 Comment
  JEPS81451  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-7-14 4826 Plumas ca 1 mi s Onion Flat (Soda Creek Rd, ca 3 mi n of Twain); Almanor SW Quad. 1463 Comment
  JEPS81471  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-6-21 4705 Plumas ca 3 air mi sw Sloat (ca 0.25 mi w of Eureka Ridge Rd (23N09), ca 0.75 mi w of White Cap); Blue Nose Mt. Quad. 1767 Comment
  UC1094740  Castilleja applegatei subsp. pinetorum Francia Chisaki 1956-5-31 892 Plumas 3.5 mi n Beckwourth (on road to Genesse) Comment
  UCSB48317  Castilleja applegatei subsp. pinetorum Hardham, Clare 1961-6-16 Plumas Diamond Peak Comment
  JEPS95559  Castilleja arachnoidea Lowell Ahart 1994-7-7 7471 Plumas N side of Pacific Crest Trail, 1 mi W of Pilot Peak, about 1/4 mi E of Quincy--La Porte Road 1950 Comment
  SD7128  Castilleja lemmonii Daniel Cleveland July 1882 Plumas Big Meadows Comment
  CHSC75543  Castilleja linariifolia G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3117 Plumas At northwest shore of Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CAS-BOT-BC254054  Castilleja miniata M. S. Taylor 1982-8-9 4943 Plumas Along creek in wet areas e side of 26N16Y, just n of Rattlesnake Hill, ca. 3 air mi sse of Canyon Dam. Flora of Plumas County 1859 Comment
  RSA7882  Castilleja miniata H. A. Barker 1927-7-6 784 Plumas Indian Head Peak, Gold Lake. 2073 Comment
  JEPS88489  Castilleja miniata subsp. miniata Vernon H. Oswald and Lowell Ahart 1996-8-1 8141 Plumas ca 1.5 mi nw Hauns Mdw. (Forest Rd 27N16 on s slope of Dyer Mtn, at a branch of Second Water Trough Creek, ca 1.5 mi se of Dyer Mtn Lookout, n of Hwy 89); Dyer Mtn. 1706 Comment
  CHSC34748  Castilleja peirsonii M. S. Taylor 1981-9-10 4271 Plumas Head of Bullfron Ravine, above seep, ca. 3 mi w of Indian Falls. 1737 Comment
  UC573408  Castilleja pilosa E. Sawyer 1935-6-4 62 Plumas 3.75 mi ene Beckwith Butte; Sierraville Quad. 1493 Comment
  SEINET11262358  Castilleja tenuis D. W. McNeal 1990-7-25 3847 Plumas Ca 100 m s of the rd to Mills Pk Lookout (Church Meadows Rd), 0.7 mi e of the jct of Gold Lake Rd.; 0 Comment
  CHSC21548  Ceanothus cordulatus L. M. Mayer; D. E. Brink Jr. 1975-7-2 Plumas Bucks Lake Floristic Survey. Comment
  POM282975  Ceanothus cordulatus Lyman Benson 1932-7-29 4007 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  RSA515505  Ceanothus cordulatus J. T. Howell, G. H. True 1969-6-23 45814 Plumas Open meadow 2 miles N of Nelson Point on road to Quincy 1311 Comment
  SEINET3162177  Ceanothus cordulatus E. K. Balls 1950-9-6 15690 a Plumas 3.1 mi. east of turn to Sloat, Hwy 24, between Quincy & Portola 1250 Comment
  UC535883  Ceanothus cordulatus Elmer I. Applegate 1929-6-21 5819 Plumas Warner Valley Mt. Lassen Comment
  UC1070639  Ceanothus fresnensis E. Nourse 1934-8-1 4 Plumas 3 mi n and 1 mi w Silver Creek; Bidwell Bar quad., Plumas National Forest 1554 Comment
  CAS-BOT-BC50734  Ceanothus integerrimus John Thomas Howell 1975-7-22 51376 Plumas Sierra Nevada - 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC50765  Ceanothus integerrimus Clarence R. Quick 1942-8-4 42 45 A Plumas Bit Bar Mt., Feather River Canyon east of Pulga Comment
  JEPS103362  Ceanothus integerrimus Lowell Ahart 2002-7-6 9844 Plumas On the W side of the dirt road and E of the large meadow, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  CAS-BOT-BC63327  Ceanothus prostratus Clarence R. Quick 1934-7-4 1350 Plumas Headwaters of Clear Creek, Plumas National Forest. Comment
  CAS-BOT-BC63363  Ceanothus prostratus John Thomas Howell 1951-6-28 27728 Plumas Eureka Lake. 1889 Comment
  CAS-BOT-BC63368  Ceanothus prostratus Alice Eastwood 1918-5-25 7067 Plumas Portola. Comment
  UC917252  Ceanothus prostratus J. M. Tucker 1948-7-25 1747 Plumas ca 3/4 mi w of mine United Mining Co. (sw side of Camel's Peak); sw side of Camel's Peak Comment
  UCSB13419  Ceanothus prostratus Breedlove, Dennis 1962-6-12 Plumas Along State Highway 36, 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  UCSB22989  Ceanothus prostratus McMinn, H. 1941-8-27 Plumas Along railway bank along Feather River, Blairsden Comment
  SEINET5339356  Ceanothus prostratus B. Miller 1951-4-22 2 Plumas North side of highway, 2 miles east of Johnsville, Calif., about 15 miles from Portola. 1829 Comment
  SEINET12210938  Ceanothus velutinus W. Knight, Knight, I. 1983-1 4939 Plumas Two mi out of Chester on road to Drakesbad 1394 Comment
  CDA11939  Ceanothus velutinus var. velutinus G. F. Hrusa, J. Dinsdale 1989-6-27 7202 Plumas Sierra Nevada; NW end of Bucks 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
  SEINET5343604 Image available Centaurea virgata var. squarrosa M. J. Williams 1974-8-5 74 -P-2 Plumas Near Chilcoot 1524 Comment
  CAS-BOT-BC384932  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
  CAS-BOT-BC384937  Cerastium arvense Ella Dales Cantelow 1940-5-12 3447 Plumas 2 1/2 mi. s.w. of Belden Comment
  CDA17301  Cerastium fontanum subsp. vulgare G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16350 Plumas Sierra Nevada; Snake Lake, 4 mi. NW of Quincy. Comment
  RSA405411  Cercis occidentalis Bonnie C. Templeton 1967-4-24 s.n. Plumas Feather River Canyon, near Storrie Comment
  CHSC97246  Cercocarpus ledifolius var. intermontanus Lowell Ahart; John Dittes 2007-8-9 14452 Plumas On the west side of the ridge, about 3/5 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis. 2509 Comment
  CHSC34284  Cercocarpus ledifolius var. ledifolius M. S. Taylor 1981-7-6 3979 Plumas In the Y of the two Ross Canyon Rds (25N31A and B), ca. 1.5 mi e of Dixie Valley Rd (28N01), ca. 16 air mi nw of Chilcott. 1920 Comment
  CAS-BOT-BC276721  Chaenactis douglasii var. douglasii John Thomas Howell 1926-7-26 2118 Plumas Near Prattville 1524 Comment
  CHSC35940  Chaenactis douglasii var. douglasii M. S. Taylor 1982-6-28 4763 Plumas Ramelli Ranch, between hwy 70 and Feather River, w of Calpine Rd (109), ca. 1 mi w of Beckwourth. 1487 Comment
  JEPS113640  Chamaesaracha nana Lowell Ahart, John Dittes 2007-6-16 14135 Plumas West of a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 10 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS122104  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2014-8-24 19757 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. Comment
  CAS-BOT-BC165972  Chamerion angustifolium Janet Jones 1980-7-14 202 Plumas By roadsides and trails around Layman near Blairsden, Plumas National Forest 1280 Comment
  CAS-BOT-BC70202  Cheilanthes gracillima Mrs. R. M. Austin 1876-9-1 s.n. Plumas unspecified 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
  UC1874974  Cheilanthes gracillima Ruth Kirkpatrick 2001-7-18 1070 Plumas Eureka Peak 2011 Comment
  RSA60225  Chenopodium botrys E. K. Balls 1950-9-7 15699 Plumas 4.4 miles W of Mohawk Ranger Station, Hwy 24 between Cromberg and Portola. Comment
  RSA59920  Chenopodium pumilio E. K. Balls 1950-9-14 15833 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  CDA18694  Chimaphila menziesii G. D. Barbe, T. C. Fuller 1982-6-15 3701 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F) 1493 Comment
  CAS-BOT-BC451430  Chimaphila menziesii John Thomas Howell 1977-6-21 s.n. Plumas Sierra Nevade: between Seneca and Butt Valley Reservoir Comment
  SD7834  Chimaphila menziesii Mrs. R. M. Austin 187? Plumas Mt. Dyer Big Meadows Comment
  CHSC63458  Chimaphila umbellata Lowell Ahart 1994-7-28 7539 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  UC635149  Chimaphila umbellata H. L. Mason 1924-6-18 1054 Plumas rd. between Graeagle and Gold Lake Comment
  CHSC36337  Cicuta douglasii M. S. Taylor 1982-6-28 4776 Plumas Emergent in Feather River, near jct of Calpine Rd and Hwy 70, ca. 1 mi sw of Beckworth. 1487 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
  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
  SEINET10453139  Circaea alpina subsp. pacifica Mary Susan Taylor 1982-6-23 Taylor 4714 Plumas T23N R10E sw/ne sec 18. Blue Nose Mt quad. Along tributary to Middle Cr, s side of 23N10-Peoria Cr Rd, 1.7 mi w of its jct with 23N50Y, ca. 3 air mi sw of Sloat. 4600 ft. 1402 Comment
  CAS-BOT-BC289627  Cirsium andersonii Mrs. Jos Clemens 1919-10-14 s.n. Plumas Greenville Comment
  CHSC34911  Cirsium andersonii M. S. Taylor 1981-7-21 4095 Plumas Ca. 1/8 mi e of 25N18, ca. 1 mi se of Taylor Rock, ca. 7 air mi n of Spring Garden. 2011 Comment
  CHSC77191  Cirsium andersonii G. Schoolcraft 1997-8-6 Plumas S of Red Rock Lookout, Diamond Mtn. area. Roadside. 1965 Comment
  SEINET7451057 Image available Cirsium andersonii A. A. Heller, P. B. Kennedy 1907-7-18 8881 Plumas Grade between Beckwith (Beckwourth) and Red Clover Valley. Comment
  JEPS59320  Cirsium arvense W. L. Jepson 1939-8-8 19360 Plumas Quincy 1051 Comment
  SD8766  Cirsium douglasii var. breweri Daniel Cleveland Aug 1882 Plumas Prattville Comment
  CAS-BOT-BC285541  Cirsium occidentale var. candidissimum John Thomas Howell 1975-7-22 51353 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CDA1513  Cirsium ochrocentrum var. ochrocentrum T. C. Fuller, W. T. Parsons 1960-7-27 4889 Plumas Sierra Valley; W side of Loyalton-Vinton Hwy (Hwy 49) just N of Sierra County line. Comment
  CDA18077  Cirsium scariosum var. americanum B. Villegas 1999-7-8 s.n. Plumas Frenchman's Lake. 0 Comment
  CAS-BOT-BC285837  Cirsium vulgare John Thomas Howell 1960-7-20 35711 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC228913  Cistanthe umbellata M. S. Taylor 1982-5-19 4485 Plumas Ramelli Ranch ca. 1 mi w of Beckwourth 1487 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
  SEINET10453250  Clarkia Mary Susan Taylor 1982-6-10 Taylor 4621 Plumas T23N R15E nw/sw sec 7. Reconnaissance Peak quad. SW of 23N72, ca. l mi w of Table Rock, ca. 3 air mi ne of Beckwourth. 5100 ft. 1554 Comment
  CHSC89901  Clarkia mildrediae subsp. lutescens N. L. Jurjavcic; W. A. Sears 2004-6-27 Plumas Northern High Sierra Nevada. Along the perimeter of the northwestern arm of Little Grass Valley Reservoir. Above a trail. 1524 Comment
  CHSC94110  Clarkia mildrediae subsp. lutescens Lowell Ahart 2006-7-9 12920 Plumas Below an open ridge, about 100 yards north of the paved basalt road, about 4 miles (air) northwest of Tamarack Flat, about 6 miles (air) northwest of Little Grass Valley Reservoir. 1650 Comment
  LA206074  Clarkia mildrediae subsp. mildrediae Harlan Lewis; M. Lewis, Frank C. Vasek 1950-6-30 753 Plumas Hwy 24, 0.5 mi S of Bridge 9-04 area Feather River Comment
  SJSU15258  Clarkia mildrediae subsp. mildrediae S. Woolhouse 2007-6-9 11 Plumas Highway 70 Comment
  CAS-BOT-BC163860  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1962-6-17 37669 Plumas Butterfly Valley 1036 Comment
  UC1143256  Clarkia rhomboidea H. and M. Lewis, F. Vasek 1950-6-30 747 Plumas 2.65 mi s Yellow Creek Bridge (Hwy.24); Feather River Comment
  CHSC107459  Clarkia stellata Matt Simenc; L. Janeway 2011-7-11 24 Plumas Northern High Sierra Nevada. Growing in a dense patch at base of a dead Abies concolor at the edge of a rock outcrop. 1745 Comment
  CHSC87120  Clarkia stellata L. P. Janeway 2001-6-15 7179 Plumas High Cascade Range. East side of Humbug Road about 2.7 km southwest of shore of Lake Almanor, 4.0 mi west of Prattville. 1399 Comment
  RSA537459  Clarkia stellata Barbara Ertter, Gary Schoolcraft 1989-7-3 8638 Plumas Road to Lone Rock and Red Rock on south side of Diamond Mountain, ca. 10 air miles south of Susanville, near Morton Creek crossing 1829 Comment
  CAS-BOT-BC451742  Claytonia lanceolata Anna Head 1920-6-25 s.n. Plumas Near Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC451747  Claytonia lanceolata M. S. Taylor 1982-5-17 4458 Plumas S side of rd 22N54, 1 air mi n of Beckwourth Peak, ca. 2 mi se of Portola. 1828 Comment
  CHSC21717  Claytonia lanceolata F. T. Griggs; A. Pass 1975-7-16 186 Plumas Along road, N. shore of Lower Buck's Lake. Comment
  CHSC33628  Claytonia lanceolata M. S. Taylor; M. Foster 1981-6-3 3837 Plumas In wet meadow, s side of rd 24N61, ca. 1.5 air mi s of Little Summit Lake, ca. 10 mi nw of Portola. 2103 Comment
  CHSC41963  Claytonia lanceolata Lowell Ahart 1986-6-4 5325 Plumas On damp broken serpentine, west of the small wash, south of the road where it crosses Onion Valley Creek, near Onion Valley, about 1 mile north-west of Pilot Pk., about 14 miles north-west of La Porte. 1828 Comment
  CHSC87642  Claytonia lanceolata Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10917 Plumas Along Rinehart Creek, southwest slope of Grizzly Peak, about 1 1/4 miles (air) west of Grizzly Peak, about 8 1/4 miles (air) northeast of Quincy. 1940 Comment
  CDA23954  Claytonia parviflora subsp. parviflora L. P. Janeway 1996-5-2 4974 Plumas Northern High Sierra Nevada.; Soda Creek, along Road 25N22 200 feet northwest of Highway 70 and East Branch North Fork Feather River. Comment
  CAS-BOT-BC443799  Claytonia rubra subsp. rubra A. A. Heller; P. B. Kennedy 1907-7-11 8804 Plumas Prattville Comment
  JEPS87647  Claytonia rubra subsp. rubra Lowell Ahart 1994-7-7 7465 Plumas about 0.75 air mi s Pilot Peak (n side of Pacific Crest Trail, Plumas and Sierra Counties); Bunker Hill Ridge 2011 Comment
  CAS-BOT-BC443802  Claytonia rubra subsp. rubra Anna Head 1921-6-21 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  CHSC82451  Clintonia uniflora Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9830 Plumas On the south side of Forest Road 22N94, about 75 yards west of Forest Road 22N94E, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1577 Comment
  UC119739  Clintonia uniflora R. M. S. Sept 1896 246 Plumas s of Quincy Comment
  SD6966  Collinsia Mrs. R. M. Austin 187_ Plumas American Valley Comment
  CHSC35899  Collinsia parviflora M. S. Taylor 1982-6-6 4410 Plumas Ca. 3/4 mi ne of 24n29, ca. 1 mi e of Meadow Valley. 1158 Comment
  RSA0117244  Collinsia parviflora L. Ahart, John Dittes, Josephine Guardino 2007-6-8 14002 Plumas East side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1966 Comment
  SEINET10898243  Collinsia parviflora Mary Susan Taylor 1982-5-6 Taylor 4410 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
  RSA88415  Collinsia torreyi J. T. Howell 1951-6-28 27703 Plumas Eureka Peak. 2195 Comment
  JEPS103358  Collinsia torreyi var. torreyi Lowell Ahart 2002-6-26 9769 Plumas On the E side of the poor road, ca 1 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. 1760 Comment
  JEPS25045  Collinsia torreyi var. torreyi Mrs. Mabel Dopplmaier 1949-6-18 Plumas Johnsville Comment
  CHSC44973  Collomia K. R. Stern 1985-6-25 8230 Plumas Vicinity of Blairsden. Comment
  CHSC44312  Collomia grandiflora Lowell Ahart 1974-7-30 566 Plumas About 1/2 mile north of the Bunker Hill Mone, about 12 miles north-east of La Porte. 1828 Comment
  JEPS123999  Collomia grandiflora Lowell Ahart 2015-7-4 20284 Plumas About 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles (air) north of Little Grass Valley Reservoir Dam. Comment
  RSA8081  Collomia grandiflora H. A. Barker 1927-7-16 815 Plumas Mohawk 1372 Comment
  OBI11586  Collomia grandiflora Lewis S. Rose 1966-7-27 66052 Plumas Quincy 1067 Comment
  CHSC35921  Collomia heterophylla M. S. Taylor 1982-5-13 4434 Plumas Cut roadbank, across from parking lot, Gansner Park, Quincy. 1036 Comment
  CHSC63261  Collomia tinctoria Lowell Ahart 1994-6-15 7327 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
  JEPS87772  Collomia tinctoria Lowell Ahart 1994-6-15 7327 Plumas abou 1 air mi w Little Grass Valley Reservoir (near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, on w side of logging road) 1767 Comment
  RSA537489  Collomia tinctoria Barbara Ertter, Gary Schoolcraft 1989-7-3 8643 Plumas ca 1/2 mile below Red Rock lookout, ca 8 airmiles S of Susanville 2134 Comment
  CHSC58196  Comarum palustre Vernon H. Oswald; Lowell Ahart 1992-6-22 5027 Plumas Lassen Volcanic National Park. Small corner of park property on the S side of Warner Valley Rd. between Lee and Kelly camps. Meadow. 1597 Comment
  SEINET7135415  Convolvulus polymorphus W. Harnach, N. Harnach 1990-6-19 407 Plumas Sierra Valley, Sugarloaf Road, at the junction of the road to Dotta neck and Sugarloaf 1676 Comment
  CDA14717  Corallorhiza maculata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3236 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  CHSC2371  Corallorhiza maculata R. Carter 1965-6-21 249 Plumas Found on E side of Oroville-Quincy Rd., 3.05 mi. N of Buckeye Water Hole, ca. 10' from road. 1219 Comment
  JEPS64323  Corallorhiza maculata W. I. Follett 1933-7-18 6 Plumas 1/4 mi w Deadwood Summit (upper end of ravine); Deadwood Ravine 1341 Comment
  RSA104292  Corallorhiza maculata R. Weatherby 1955-7-2 1580 Plumas Wilcox Valley 1921 Comment
  RSA381969  Corallorhiza maculata Robert Gustafson 1984-5-15 2946 Plumas Butterfly Botanical area, ca. 7 miles northwest of Quincy, west of Highway 89 1037 Comment
  CHSC53729  Cordylanthus pilosus var. tenuis L. P. Janeway 1989-7-21 3514 Plumas Plumas National Forest. Forested slope on NW side of Red Clover Valley. 1706 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
  JEPS48455  Cordylanthus tenuis subsp. tenuis Lewis S. Rose 1966-7-26 66047 Plumas 3 mi w Keddie; Butterfly Valley 1066 Comment
  JEPS95429  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1994-7-28 7529 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  OBI9583  Cordylanthus tenuis subsp. tenuis Lewis S. Rose 1966-7-26 66047 Plumas Butterfly Valley, 3 mi W of Keddie 1067 Comment
  UC1409091  Cordylanthus tenuis subsp. tenuis Robert F. Thorne, L. DeBuhr, and C. W. Tilforth 1972-9-20 42353 Plumas 2 mi n Quincy (along Hwy 70); Plumas National Forest 1097 Comment
  RSA59282  Cordylanthus tenuis subsp. tenuis E. K. Balls 1950-9-4 15574 Plumas Behind Feather River Experiment Station, Hwy 24, 4 miles north of Quincy. 1098 Comment
  RSA0091948  Cornus nuttallii Bonnie C. Templeton 1968-1 11286 Plumas [No location data on label. Possibly Trinity County.] Comment
  CAS-BOT-BC210298  Cornus sericea Alice Eastwood 1927-6-27 14900 Plumas United States Forest Reserve. On road from Chilcott [Chilcoot] Comment
  CAS-BOT-BC210310  Cornus sericea Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC210314  Cornus sericea John Thomas Howell 1961-6-21 36632 Plumas Greenville 1097 Comment
  CDA18587  Cornus sericea subsp. sericea G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3279 Plumas Sierra Nevada; 0.7 mile south of Arlington Road, (Main Street, Taylorsville) on Beckwourth-Greenville Road, east of Taylorsville. 1112 Comment
  CHSC54524  Cornus sericea subsp. sericea Vernon H. Oswald 1991-8-5 4810 Plumas Lassen Volcanic Park. Terminal Geyser located ca. 2.5 miles (air) southeast of Drakesbad. 1706 Comment
  UC565956  Cornus sericea subsp. sericea F. W. Embree 1934-6-6 82 Plumas 1 1/2 mi. n.w. Bucks Mt.; Bidwell Bar Quad. 1524 Comment
  JEPS108581  Cornus sessilis L. P. Janeway 2005-9-4 8537 Plumas Northern High Sierra Nevada. Rock Creek at crossing of Road 24N04 ''Rock Creek Crossing.'' Along borders of bouldery streambed 1204 Comment
  POM180961  Cornus stolonifera A. A. Heller, P. R. Kennedy, A. H. Heller 1907-7-13 8829 Plumas Taylorville. Comment
  RSA500442  Corydalis caseana Vernon H. Oswald, W. Dempsey 1989-8-24 3969 Plumas Big Springs in Humbug Valley, ca. 13 miles (air) south of Chester Comment
  SEINET5339233  Corydalis caseana M. J. Williams 1966-7-11 s.n. Plumas Jamison Creek above Johnsville. 1829 Comment
  CHSC76137  Corydalis caseana subsp. caseana G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3339 Plumas 0.75 miles east of Bucks summit on Bucks Lake Road. 1600 Comment
  UCD95117  Corydalis caseana subsp. caseana Dean Wm. Taylor 1974-10-1 5056 Plumas Jamison Creek drainage, above Jamison Lake drainage, ca. 3 miles south of Plumas-Eureka State Park. 2000 Comment
  CAS-BOT-BC401871  Corydalis caseana subsp. caseana Marcus E. Jones 1897-7-9 s.n. Plumas On Road from Prattville to Chico, 13 miles down 1524 Comment
  UC1713728  Corydalis caseana subsp. caseana J. G. Lemmon Plumas springs & streams from Sierra Valley to Big Meadow Comment
  UC1135190  Corylus californica G. T. Nordstrom 1934-7-11 216 Plumas Plumas National Forest, Lower Bucks Lake Lower Bucks Lake; Plumas National Forest, Lower Bucks Lake 1554 Comment
  UC1585914  Crassula aquatica Barbara Ertter 1988-10-21 8011 Plumas e. end of causeway ca. 1.5 mi. e. of Chester (on Hwy. 36, n. of rd., Lake Alamanor); Lake Alamanor 1341 Comment
  CAS-BOT-BC141573  Crataegus douglasii John Thomas Howell 1973-7-9 49710 Plumas Crescent Mills - Sierra Nevada 1066 Comment
  CHSC96341  Crepis acuminata G. F. Hrusa; S. Gamairi, P. Kerr, M. Espstein, S. Winterton 2004-6-17 16322 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
  UC625500  Crepis acuminata Frank W. Gould 1938-6-27 454 Plumas 5 mi n Blairsden 1371 Comment
  CDA20395  Crepis capillaris J. Naughton 2002-7-7 103 Plumas Sierra Nevada; Plumas County Fairgrounds, near Lee Rd. 0 Comment
  UC581220  Crepis intermedia G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2232 Plumas Red Rock; sw slopes and ridge crest, n of Engelmine Comment
  UC581245  Crepis modocensis G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2151 Plumas Beckwith Peak; e slope 1670 Comment
  CHSC110284  Crepis modocensis subsp. subacaulis B. Castro; L. P. Janeway 2006-6-3 1567 Plumas Northern High Sierra Nevada. NE side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1673 Comment
  CAS-BOT-BC291590  Crepis modocensis subsp. subacaulis G. L. Stebbins; J. A. Jenkins 1937-5-22 2152 Plumas Along Village Street, Portola 1371 Comment
  CHSC95093  Crepis modocensis var. subacaulis L. P. Janeway; B. Castro 2006-6-3 8655 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.6 km north of the mouth of McReynolds Creek at Red Clover Creek. East-facing sagebrush slope near meadow edge. 1673 Comment
  CDA13933  Crepis monticola G. F. Hrusa 1997-6-26 13871 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
  JEPS126589  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. Comment
  UC1118014  Crepis occidentalis E. Sawyer 1935-6-1 51 Plumas 1 3/4 mi ne Hawks; Sierraville Quadrangle Comment
  JEPS36461  Crepis occidentalis L. S. Smith 1927-6-6 2035 Plumas road to Constantia; e side of Mts. Comment
  CAS-BOT-BC376567  Crepis occidentalis subsp. occidentalis M. S. Taylor 1981-6-8 3875 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 Comment
  SEINET10475129  Crepis occidentalis subsp. occidentalis Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3875 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
  RSA169419  Crepis occidentalis subsp. pumila L. S. Rose 1963-6-4 63128 Plumas Sierra Valley, 2 miles south of Beckwourth 1463 Comment
  CHSC77043  Crepis pleurocarpa L. P. Janeway 1996-8-13 5067 Plumas Ridge between Kingsbury Ravine and West Branch Salt Creek; above Twain and East Branch North Fork Feather River. Along dirt road and into forest. 1432 Comment
  CHSC79671  Crepis pleurocarpa G. F. Hrusa; T. D. Wilfred 1996-8-1 13414 Plumas Northern California, Sierra Nevada. ~ 1/4 mi. S of intersection of USFS 24N42 and 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. [Original lat./long. on label is '39 55 N; 120 44 W']. 1950 Comment
  CHSC98708  Crepis pleurocarpa L. P. Janeway 2007-8-13 9188 Plumas Northern High Sierra Nevada. Above Road 24N31 about 0.8 air km east of Little Schneider Creek. 1402 Comment
  RSA286276  Crepis pleurocarpa R. F. Thorne 1974-7-30 44998 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  CDA32032  Crypsis alopecuroides L. Ahart, J. Dittes 2009-9-7 16391 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. Comment
  UCR244661  Cryptantha J. T. Howell, T. C. Fuller, G. D. Barbe 1981-6-24 54228 Plumas Sierra Nevada Mtns., 6 miles southeast [presumably on Mt. Hough Crystal Lake Rd.] of Mt. Hough on road to Quincy 1646 Comment
  CHSC97066  Cryptantha affinis Lowell Ahart; Josephine Guardino 2007-7-21 14374 Plumas Around pine trees, along a small dry drainage, about 5 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1813 Comment
  RSA201284A  Cryptantha sobolifera J. T. Howell 1960-7-18 35545 Plumas Wooded meadow borders. Drakesbad. 1677 Comment
  CAS-BOT-BC68033  Cryptogramma acrostichoides Anna Head 1921-7-3 s.n. Plumas Feather River Region - Lake Center Camp Comment
  UC1874975  Cryptogramma acrostichoides Ruth Kirkpatrick 2001-7-18 1072 Plumas Eureka Peak 2011 Comment
  CHSC36925  Cuscuta californica var. breviflora M. S. Taylor; H. Swanson 1982-8-11 4964 Plumas Along Pacific Crest Trail, ca. 1 mi nw of A-Tree, ca. 5 mi sw of Johnsville. 2133 Comment
  CHSC102151  Cuscuta californica var. papillosa Lowell Ahart; John Dittes 2009-7-29 16194 Plumas On Ceanothus prostratus, aove the high road bank, on the east side of Forest Service Road 26N23, saddle between Ohio Valley and Clear Creek, 2.0 miles (air) northeast of Butt Valley Reservoir Dam. 1508 Comment
  HSC93210  Cuscuta occidentalis Vernon H. Oswald, L. Ahart 1996-8-14 8150 Plumas NE of La Porte-Quincy Rd. 0.9 mi. N of the road to Johnsville (0.9 mi. N of the Sierra Co. 2 mi. post); high Sierra Nevada 1890 Comment
  JEPS96033  Cuscuta subinclusa Vernon H. Oswald and Lowell Ahart 1996-8-14 8173 Plumas near Bucks Summit on Oroville - Quincy Hwy between Meadow Valley and Bucks Lake, 3.6 mi SW of Silver Lake Road, 1.8 mi NE of White Horse Campground; northern High Sierra 1676 Comment
  SJSU14350  Cusickiella douglasii N. A. Hopkins 1990-5-12 1615 Plumas 16.5 mi NW of Beckwourth on rd to Genessee 1706 Comment
  CHSC110267  Cymopterus terebinthinus var. californicus L. P. Janeway 2012-6-2 10850 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1833 Comment
  SD6709  Cynoglossum occidentale Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET10467142  Cyperus aristatus Mary Susan Taylor 1982-9-7 Taylor 5105 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
  CAS-BOT-BC114130  Cyperus squarrosus John Thomas Howell 1959-9-21 34753 Plumas Sand bars of N Fk Feather River near Belden. 701 Comment
  RSA508639  Cypripedium californicum Mrs. R. M. Austin 1880-7-21 s.n. Plumas Mount Dyer 1829 Comment
  HSC73110  Cypripedium fasciculatum M. S. Taylor 1981-5-29 3817 Plumas S of Buckhorn Creek, 1 mi. SW of Grizzly Mtn, 13 air mi. NE of Pulga 1585 Comment
  CHSC44604  Cystopteris fragilis Vernon Oswald 1983-8-17 1002 Plumas Pacific Crest Trail ca. 2500 ft e of Humboldt Summit. 2011 Comment
  RSA30025  Cystopteris fragilis J. T. Howell 1951-6-27 27635 Plumas Jamison Creek 1829 Comment
  CAS-BOT-BC445536  Damasonium californicum John Thomas Howell 1926-7-30 2161 Plumas Near Prattville 1371 Comment
  CAS-BOT-BC189662  Danthonia californica Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1371 Comment
  CAS-BOT-BC189667  Danthonia californica Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1640 Plumas Butterfly Botanical Area and Vicinity. Area north of Pond Reservoir. 1097 Comment
  CAS-BOT-BC192347  Danthonia unispicata John Thomas Howell 1951-6-27 27582 Plumas McRae Meadow 1981 Comment
  CHSC112553  Danthonia unispicata B. Castro; L. P. Janeway 2007-6-24 1645 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley ~1 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, 250-300 ft below edge ofopen Ponderosa-Jeffrey pine forest. 1674 Comment
  UC641638  Danthonia unispicata G. L. Stebbins Jr. 1939-7-7 2913 Plumas 1.7 mi e Meadow Valley (on road to Quincy) Comment
  RSA422678  Darlingtonia californica Bonnie C. Templeton 1967-4-23 10744 Plumas Butterfly Valley, near Quincy 1067 Comment
  RSA599868  Darlingtonia californica Louis C. Wheeler 1959-7-16 7574 Plumas Butterfly Valley. Comment
  SJSU4490  Darlingtonia californica Lewis S. Rose 1968-6-11 68105 Plumas Butterfly Valley, 4 mi S of Keddie 1036 Comment
  SEINET10480121  Darlingtonia californica Mary Susan Taylor 1982-8-23 Taylor 5034 Plumas T25N R9E sw/sw sec 18. Almanor SE quad. Under PG&E wire between dirt rd and Feather River, in seep on slope ca. 1/4 mi n of Dutch Creek, ca. 0.5 mi ne of Twain. Riparian; 2800 ft. 853 Comment
  SJSU14231  Delphinium andersonii N. A. Hopkins 1989-5-16 1492 Plumas by Marble Hot Springs Rd, Sierra Valley 1524 Comment
  CHSC100724  Delphinium depauperatum L. P. Janeway; B. Castro 2008-6-8 9403 Plumas Northern High Sierra Nevada. About 170 m west of Crocker Creek, on west side of Beckwourth-Genesee Road 1.5 km north of Crocker Guard Station. 1713 Comment
  CAS-BOT-BC8782  Delphinium gracilentum E. K. Balls; L. W. Lenz 1955-5-13 20702 Plumas Above Camp Rogers along trail to Bucks Lake 655 Comment
  CAS-BOT-BC9825  Delphinium nudicaule Mrs. H. C. Cantelow 1940-5-11 4267 Plumas W of Meadow Valley Inn Comment
  CHSC110283  Delphinium nudicaule B. Castro 2006-6-8 1576 Plumas Northern High Sierra Nevada. N-facing slopes overlooking S edge of Red Clover Valley, 1 air mi N of Bagley Pass and 1 rd mi S of the Beckwourth-Genesee Rd, in sharp curves in USFS Rd 24N08 (Bagley Pass Rd). 1737 Comment
  CHSC34274  Delphinium nudicaule M. S. Taylor 1981-5-10 3664 Plumas N side of Genesee Valley Rd, ca. 4 mi w of Genesee. 1097 Comment
  CHSC85683  Delphinium nudicaule G. Douglas Barbe; T. C. Fuller 1982-7-15 3739 Plumas Sierra Nevada. 2.1 miles northeast of junction with road to Red Hill Summit; on road bank, Plumas National Forest. 1524 Comment
  JEPS23487  Delphinium nuttallianum Esther C. Fritz 1933-7-25 Plumas in meadow on slopes Spanish Peak 2133 Comment
  UC1126051  Delphinium nuttallianum D. Axelrod 1934-6-9 25 Plumas 2 1/4 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
  JEPS43411  Delphinium nuttallianum W. L. Jepson 1927-6-23 12300 Plumas near Camp Kelly; Warner Creek 1584 Comment
  SEINET10448457  Dentaria tenella var. palmata Mary Susan Taylor 1982-6-1 Taylor 4580 Plumas T27N R8E sw sec 36. Almanor NE quad. Between spur rd & 27n92, nw of Gold- stripe Mine, ca. 4 air mi w of Green- ville. 5300 ft. 1615 Comment
  CHSC116384  Deschampsia cespitosa Sara M. Taylor; Scott Batiuk, Kendra Sikes 2012-7-16 41 Plumas Plumas National Forest. Muck Fen. Take Mill Creek Rd to the Mud Lake Rd. intersection. On foot, cross to the north side of the river and head WNW. UTM zone 10, 4423080 N, 652386 E. 1890 Comment
  JEPS76233  Deschampsia cespitosa subsp. cespitosa W. L. Jepson 1939-8-12 19401 Plumas Ferris Creek - branch of Last Chance Creek 1767 Comment
  UCR66621  Deschampsia cespitosa subsp. cespitosa A. A. Beetle 1941-6-28 2771 Plumas Northern Sierra Nevada, west side of Lake Almanor 1829 Comment
  OBI2939  Deschampsia danthonioides Lewis S. Rose 1968-6-10 68083 Plumas Quincy 1036 Comment
  UC196407  Deschampsia danthonioides H. S. Yates 1913-6-24 Plumas Massack Comment
  UCD62887  Deschampsia danthonioides Lewis S. Rose 1968-6-10 68083 Plumas Quincy. 1036 Comment
  CAS-BOT-BC201890  Deschampsia elongata Alice Eastwood 1927-6-13 14554 Plumas Forest Lodge near Greenville Comment
  CAS-BOT-BC201894  Deschampsia elongata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1635 Plumas Area north of Pond Reservoir 1097 Comment
  CDA31678  Deschampsia elongata D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .27 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  UC1523729  Deschampsia elongata Gary Schoolcraft 1982-7-28 851 Plumas near Benner Creek n. of Chester 1402 Comment
  CHSC41380  Descurainia incana Lowell Ahart 1986-7-1 5331 Plumas On a gravel bar along Bunker Hill Creek, at the Bunker Hill Mine, about 11 miles north-east of La Porte. 1889 Comment
  CAS-BOT-BC43034  Descurainia incisa subsp. incisa John Thomas Howell 1962-6-18 37793 Plumas Sierra Nevada. Sierra Valley near Beckwourth. 1487 Comment
  CAS-BOT-BC43039  Descurainia incisa subsp. incisa M. S. Taylor 1982-5-17 4463 Plumas North side of 22N55, near its junction with 22N54 and 22N88, ca. 2 miles SE of Portola on ridges N of Beckwourth Peak. 1706 Comment
  SEINET10448462  Descurainia richardsonii subsp. viscosa Mary Susan Taylor 1982-5-17 Taylor 4463 Plumas 5600 ft. T22N R14E se/se sec 6. Portola quad. Dry rocky volcanic flats and outcrops, n side of 22N55, near its jct with 22N54 & 27N88, ca. 2 mi se of Portola. 1707 Comment
  CHSC43304  Dicentra formosa Lowell Ahart 1976-7-7 1163 Plumas Along Cold Water Creek, about 1/10 mile south-west of Arkansas Ravine, about 4 miles south of Grizzly Mountain. 1524 Comment
  CHSC47452  Dicentra formosa Lowell Ahart 1975-8-29 961 Plumas Along edge of dirt road, about 1 mi. east of the Headquartz Mine, about 10 miles south of Bucks Lake. 1828 Comment
  SEINET5339623  Dicentra formosa M. J. Williams 1967-4-22 s.n. Plumas Bucks Creek Power Station. 1 mile west of Storrie. 518 Comment
  CHSC43323  Dicentra pauciflora Lowell Ahart 1975-7-9 859 Plumas Along the edge of small stream, about 1 mile west of Pilot Peak. 1981 Comment
  CAS-BOT-BC402605  Dicentra uniflora Mary Strong Clemens 1920-5-5 s.n. Plumas Greenville Comment
  CHSC39352  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
  CAS-BOT-BC402573  Dicentra uniflora Robert J. Weatherby 1955-6-21 1535 Plumas Meadow below Spanish Peak lookout 2133 Comment
  CAS-BOT-BC402608  Dicentra uniflora W. Harnach; N. Harnach 1990-4-13 256 Plumas Sierra Valley. Barry HIll (McElroy on maps) 1615 Comment
  CAS-BOT-BC209230  Dichanthelium acuminatum subsp. acuminatum Lewis S. Rose 1966-7-27 66070 Plumas Butterfly Valley, 3 mi. W of Keddie 1066 Comment
  POM319465  Dichelostemma congestum Patricia Wilder 1971-6-21 5138 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
  CAS-BOT-BC502663  Dichelostemma multiflorum Alice Eastwood 1927-6-1 14568 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  CAS-BOT-BC502665  Dichelostemma multiflorum John Thomas Howell 1973-7-10 49748 Plumas Near Greenville 1097 Comment
  CAS-BOT-BC502668  Dichelostemma multiflorum Clarence R. Quick 1964-7-15 64 -83 Plumas At summit of Longville-Belden road between Humbug Valley and Feather River Canyon 1478 Comment
  CAS-BOT-BC502672  Dichelostemma multiflorum Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1969-6-24 2427 Plumas In vicinity of mouth of Butterfly Creek 883 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
  JEPS40712  Dieteria canescens var. shastensis W. L. Jepson 1939-8-12 19384 b Plumas Black Mountain 1981 Comment
  SEINET7845825 Image available Dieteria canescens var. shastensis W. Harnach, N. Harnach 2000-9-3 1003 Plumas Approx 5 miles W of Portola on Co. Rd. A-15, Gold Mountain Development, along the river trail 1463 Comment
  CAS-BOT-BC150486  Diplacus grandiflorus Lewis S. Rose 1963-6-2 63079 Plumas Rock Creek, North Fork of Feather River 640 Comment
  CAS-BOT-BC151746  Diplacus kelloggii Henry A. Kloppenburg 1928-5-19 435 Plumas Belden 701 Comment
  CHSC10697  Diplacus mephiticus Lowell Ahart 1968-6-29 Plumas Near La Porte. 1371 Comment
  CHSC53707  Diplacus mephiticus L. P. Janeway 1989-7-13 3486 Plumas Forest along SW side of Red Clover Valley; ca 1/4 mi SW of Beckwourth-Genesee Rd (rd III) 11.3 mi from Beckwourth. Plumas National Forest. 1699 Comment
  CAS-BOT-BC151254  Diplacus torreyi Ella Dales Cantelow 1938-7-3 2319 Plumas E. of Drakesbad, S. side of creek. Comment
  CAS-BOT-BC208631  Distichlis spicata J. H. Thomas 1956-7-14 6055 Plumas New Idria Road from Panoche to Idria, about 5 miles S of Panoche, along Griswold Creek 457 Comment
  UC1039541  Dodecatheon jeffreyi Herbert L. Mason 1924-6-19 1077 Plumas near the base Mt. Elwell (near the outlet of Bear Lake); near outlet Bear Lake, near base of Mt. Elwell Comment
  UC1143164  Downingia bacigalupii E. Sawyer 1935-6-27 159 Plumas Charlies Valley Plumas National Forest, Sierraville Quad. 1524 Comment
  UC1408975  Downingia bacigalupii R. F. Thorne and C. W. Tilforth 1969-9-6 39246 Plumas 1 mi sw Beckwourth (along Feather River); Feather River 1356 Comment
  JEPS14447  Downingia bacigalupii R. H. Platt 1891-1 Plumas Big Meadow Sierras Comment
  POM284987  Downingia bacigalupii H. P. Bracelin 1932-7-25 695 Plumas 7 miles S of Chester. 1524 Comment
  SEINET12326105  Downingia bacigalupii W. Knight, Knight, I. 1983-1 4917 Plumas On road between Chester and Drakesbad 1539 Comment
  UC1243993  Downingia bacigalupii John H. Weiler 1959-6-28 59207 Plumas 2.4 mi s Plumas County line (along Highway 89) Comment
  UC1243996  Downingia bacigalupii John H. Weiler 1959-6-20 59185 Plumas 1.5 mi ne Sattley, Sierra County (along the Sattley-Beckwith road) Comment
  CAS-BOT-BC41395  Draba verna John Thomas Howell 1963-6-4 39402 Plumas Sierra Valley south of Beckwourth. 1463 Comment
  UC335430  Draperia systyla unknown 1889-1 Plumas Tefft's ranch Comment
  CAS-BOT-BC76262  Drosera anglica Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1371 Comment
  UCD99510  Drosera anglica Barry Rice 2009-7-5 BR 090704 Plumas at Robbers Spring. Comment
  UCD99523  Drosera filiformis Barry Rice 2009-6-26 BR 090601 Plumas in Butterfly Valley Botanical Area. Comment
  CHSC46621  Dulichium arundinaceum V. Oswald; L. Ahart, L. Hanson 1989-7-31 3901 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. 1670 Comment
  CAS-BOT-BC197262  Echinochloa muricata var. microstachya Lowell Ahart 1981-9-6 3097 Plumas 1 1/2 miles SW of Crescent Mills 1200 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
  CHSC59718  Elatine californica L. P. Janeway 1992-9-16 4313 Plumas Plumas National Forest, Beckwourth Ranger District, Beckwourth Compartment. Middle Fork Feather River 1.5 mi west of Beckwourth. 1481 Comment
  CHSC112616  Elatine rubella Lowell Ahart 2013-9-11 19023 W Plumas Strand of Antelope Lake, where Boulder Creek enters the lake, Antelope Lake, about 15 miles (air) northeast of Taylorsville. 1549 Comment
  JEPS102605  Elatine rubella Lowell Ahart 2001-10-8 9311 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 miles (air) NE of Quincy.. 1522 Comment
  UC1562599  Elatine triandra Barbara Ertter 1988-10-21 8001 Plumas ca 1.5 mi e Chester (on Hwy 36, e end of causeway); Lake Almanor 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
  SEINET10938700  Eleocharis acicularis Lowell Ahart 1985-7-11 Ahart 5125 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
  CAS-BOT-BC113511  Eleocharis bella John Thomas Howell 1961-9-22 36794 Plumas Wolf Creek, Greenville. 1088 Comment
  CHSC101958  Eleocharis bella Lowell Ahart; John Dittes 2009-7-27 16189 Plumas On dry bare soil, about 20 yards north of the poor dirt road, on the bottom of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC81171  Eleocharis bella Lowell Ahart 2001-9-24 9196 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
  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
  JEPS102767  Eleocharis bella Lowell Ahart 2001-9-24 9196 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
  CAS-BOT-BC113390  Eleocharis engelmannii Walter Knight; Irja Knight 1966-6-19 1357 Plumas Near Pond Reservoir, Butterfly Valley. 1097 Comment
  CHSC81833  Eleocharis engelmannii Lowell Ahart 2001-10-16 9376 Plumas On the north side of a bank and a small stream, on the northwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CHSC81935  Eleocharis engelmannii L. P. Janeway 2001-7-25 7388 Plumas High Cascade Range. Southwest side of Lake Almanor, about 100 m out; near Hwy 89 2.3 km north-northwest of Almanor West Road. 1372 Comment
  JEPS102596  Eleocharis engelmannii Lowell Ahart 2001-10-16 9376 Plumas On the north side of a bank and a small stream, on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  CAS-BOT-BC113394  Eleocharis engelmannii var. detonsa Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1422 Plumas Adjacent to Pond Reservoir. Butterfly Botanical Area. 1097 Comment
  SD46467  Eleocharis engelmannii var. detonsa Robert J. Weatherby 1950-7-28 1490 Plumas Growing in sun in wet soil at marshy edge of road, north edge of Taylorsville. (IPB 10/07) 1067 Comment
  CHSC20771  Eleocharis macrostachya K. R. Stern 1975-7-23 5864 Plumas NW shore of Lake Almanor. 1371 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
  CAS-BOT-BC112914  Eleocharis macrostachya Lowell Ahart 1980-10-6 2680 Plumas About 1 mile south of La Porte Comment
  NY51036  Eleocharis monticola M. E. P. Ames 1876-1 s.n. Plumas Comment
  JEPS104614  Eleocharis quinqueflora Lowell Ahart 2003-7-18 10432 Plumas Along a drainage, in a meadow, ca 150 yd south of the road, ca 3/4 mi w of Lumpkin Ridge Rd, ca 1 mi se of Tamarack Flat, ca 2 mi (air) nw of Little Grass Valley Reservoir dam, ca 5 mi (air) nw of La Porte. 1752 Comment
  CAS-BOT-BC112081  Eleocharis quinqueflora Clarence Roy Quick 1945-7-20 45 -61 Plumas USFD fenced pasture, Deanes Valley, SE of Meadow Valley. Comment
  CHSC63208  Elymus elymoides subsp. californicus Lowell Ahart 1994-6-29 7405 Plumas North of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  CHSC24280  Elymus elymoides subsp. elymoides K. R. Stern 1975-7-1 Plumas W side of Lake Almanor. Comment
  CAS-BOT-BC206503  Elymus glaucus subsp. glaucus John Thomas Howell 1967-6-23 42667 Plumas Canyon of Butterfly Creek - Sierra Nevada` 1036 Comment
  CAS-BOT-BC206508  Elymus glaucus subsp. glaucus John Thomas Howell 1977-6-20 52415 Plumas On the peninsula of Lake Almanor - Sierra Nevada 1371 Comment
  CHSC65880  Elymus glaucus subsp. glaucus L. P. Janeway 1995-10-11 4939 Plumas Lakes Basin. 0.3 mi north-northeast of Lakes Basin Campground; on east side of Gold Lake Hwy opposite entrance to the campground. 1923 Comment
  CAS-BOT-BC206505  Elymus glaucus subsp. glaucus John Thomas Howell 1960-7-17 35493 Plumas Drakesbad - Lassen Volcanic National Park 1828 Comment
  CHSC69229  Elymus glaucus subsp. jepsonii James D. Jokerst; Lowell Ahart 1985-10-4 2588 Plumas Pilot Peak serpentine NE of La Porte. Top edge of serpentine. Comment
  POM359953  Elymus multisetus Alice S. Mulford 1944-8-12 s.n. Plumas S.W. side of Mohawk Terrance 1341 Comment
  CAS-BOT-BC213818  Elymus repens John Thomas Howell 1961-9-23 36826 Plumas Indian Valley - Sierra Nevada 1082 Comment
  CAS-BOT-BC213821  Elymus repens John Thomas Howell 1976-7-15 51832 Plumas Quincy - Sierra Nevada 1051 Comment
  CHSC63488  Elymus sierrae Lowell Ahart 1994-7-20 7484 Plumas Plumas and Sierra counties. North of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  HSC93211  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald, L. Ahart 1996-7-15 8038 Plumas Last Chance Marsh at the N end of Lake Almanor. 1.4 miles S of Last Chance Campground E from Rd. 29N11. 1372 Comment
  SEINET204042 Image available Elymus trachycaulus subsp. trachycaulus F. J. Hermann 1955-7-27 11953 Plumas 4 miles west of Portola Comment
  JEPS101226  Elytrigia intermedia subsp. barbulata Dean W. Taylor 2000-8-12 17580 Plumas Antelope Lake; Pioneer Cabin 1524 Comment
  RSA144904  Epilobium angustifolium subsp. circumvagum J. W. MacSwain 1959-8-12 59 -151 Plumas 2.3 miles west of Quincy Comment
  RSA144905  Epilobium angustifolium subsp. circumvagum J. W. MacSwain 1959-8-13 59 -152 Plumas 3.5 miles east of Bucks Lake Lodge Comment
  CDA14043  Epilobium brachycarpum G. F. Hrusa, T. D. Wilfred 1996-8-1 13415 Plumas Sierra Nevada; ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  CDA38056  Epilobium brachycarpum L. Ahart, John Dittes 2003-8-8 10 .481 Plumas On the west side of Beckwouth Calpine Road, about 50 yards north of the Western Pacific Railroad, about 1/2 mile (air) southwest of Beckwourth, Sierra Valley. 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
  RSA252404  Epilobium brachycarpum Robert F. Thorne, C. W. Tilforth 1969-9-6 39230 Plumas S of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  JEPS115785  Epilobium campestre Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15875 Plumas About 1600 feet southwest of Lake Almanor Dam, in depressions made from mining 1386 Comment
  CAS-BOT-BC5258  Epilobium canum subsp. latifolium Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Near Willoughby Mine, Gold Lake Region. Comment
  CHSC19717  Epilobium canum subsp. latifolium Lowell Ahart 1974-8-15 Plumas Found along road. Ca. 1/2 mi N of Nelson Creek in Section 36 near Zumwalt Flat. Ca. 11 mi s of Sloat. 1676 Comment
  JEPS110520  Epilobium canum subsp. latifolium Lowell Ahart 2006-10-23 13497 Plumas On large gravel, on the south side of Slate Creek (there is a large gravel flat caused by the dam), about 80 yards east of where the road ends, about 100 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles 1281 Comment
  RSA59186  Epilobium canum subsp. latifolium E. K. Balls, R. Weatherby 1950-9-1 15612 Plumas East of Long Lake, cliffs above meadow sloping down to two smaller lakes. 2134 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
  CHSC94780  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2006-10-8 13396 Plumas On the west bank of Chips Creek, just south of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  JEPS102567  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2001-10-16 9371 Plumas On the SW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS118382  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2011-9-17 17661 Plumas On the south side of an unnamed stream that flows east into 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
  JEPS95058  Epilobium ciliatum subsp. glandulosum Lowell Ahart 1997-9-11 7910 Plumas about 2 air mi ne of Belden (on e side of Caribou Road, on e side of the North Fork Feather River, at the elevated siphon); North Fork Feather River, Caribou Road 731 Comment
  RSA239251  Epilobium ciliatum subsp. glandulosum Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42328 Plumas Butterfly Valley Botanic Area: Partly in Plumas National Forest. 1159 Comment
  SEINET12868083  Epilobium densiflorum W. Harnach, N. Harnach 1990-7-29 483 Plumas Sierra Valley, Marble land near the hot wells 1487 Comment
  SEINET9716105  Epilobium densiflorum E. K. Balls 1950-8-31 15551 Plumas Spanish Creek, off Hwy. 24, just north of Quincy Comment
  SEINET9720233  Epilobium densiflorum A. A. Heller, P. B. Kennedy 1907-7-16 8863 Plumas Genessee Valley near Genessee 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
  UC1594608  Epilobium luteum Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson, and Tyleasi Martin 1992-8-20 5172 Plumas Forest Rd 23N10 between junction of 22N19 and Hopkins Creek (ca 2.25 air mi ese of Pilot Pk., ca 9 air mi ne of La Porte) 1706 Comment
  CHSC36932  Epilobium oreganum M. S. Taylor 1982-9-7 5100 Plumas Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  POM46382  Epilobium oregonense Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CHSC116396  Epilobium oregonense Kendra G. Sikes; Scott Batiuk, Sara Taylor 2012-7-18 408 Plumas Plumas National Forest. Quaking Fen, 720 m east of Mill Creek trail. From trailheas walk ~2 miles north on trail and then head east at bearing of 260 degrees to fen. UTM zone 10, 4423775N, 655262E. 1940 Comment
  UC1191746  Epilobium torreyi Malcolm A. Nobs, S. Galen Smith 1949-8-19 1463 a Plumas pond on se side Portola Comment
  CHSC112093  Equisetum arvense L. P. Janeway 2014-7-15 11541 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
  CHSC35949  Equisetum arvense M. S. Taylor 1982-5-13 4439 Plumas On the n edge of Spanish Creek, Gansner Park, Quincy. 1036 Comment
  CHSC66286  Equisetum arvense Lowell Ahart 1996-6-28 7686 Plumas About 1/2 mile south-west of the Feather Fork Mine, about 1 mile north-east of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. 1676 Comment
  JEPS116125  Equisetum hyemale subsp. affine Lowell Ahart, John Dittes 2009-7-27 16162 Plumas On damp soil, high area in a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  POM186455  Equisetum laevigatum D. D. Keck 1675 Plumas At bridge over Spanish Creek. Quincy, in the northern Sierra Nevada. 1067 Comment
  UC1125747  Eremogone aculeata C. G. Albertus 1935-8-13 266 Plumas Plumas National Forest,Mt. Ingalls, Downieville Quadrangle 2553 Comment
  SEINET5336834  Eremogone aculeata A. A. Heller, P. B. Kennedy 1907-7-3 8703 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC174181  Eremogone cliftonii E. K. Balls; L. W. Lenz 1955-5-13 20700 Plumas Between Tobin and Camp Rogers, U.S. Hwy. 40 609 Comment
  CHSC92522  Eremogone cliftonii Samantha Mackey Hillaire; Matt Brown 2005-6-20 1225 Plumas Near Lower Buck's Lake. UTM 10 S 0647547, 4417976 NAD 1983. 1524 Comment
  CHSC115722  Eremogone cliftonii K. Bovee 2014-5-15 53 Plumas Lassen National Forest, Almanor Ranger District, on northeast-facing slopes above Grizzly Creek, just downslope from Road 26N08. 1341 Comment
  UCSB63565  Eremogone congesta Jokerst, James 1985-6-10 Plumas Indian Creek Small Hydro Survey; adjacent to Indian Creek; 400 m. S of Hwy. 70; ca. 2 mi. SW of Cresent: T26N R9E SW1/4 SW1/4 Sect. 25 Comment
  CAS-BOT-BC174302  Eremogone congesta var. suffrutescens Lewis S. Rose 1967-7-12 67172 Plumas 1 mi. s. of Keddie, Butterfly Creek & Spanish Creek 883 Comment
  CAS-BOT-BC174307  Eremogone congesta var. suffrutescens L. P. Janeway 1992-5-22 4191 Plumas South side of Middle Fork Feather River, just south of railroad tracks, 0.3 mi west of the road to Calpine; ca 4 mi east of Portola. Plumas National Forest, Beckwourth Ranger District 1487 Comment
  CHSC50837  Eriastrum signatum Vernon Oswald; Lowell Ahart 1990-7-25 4400 Plumas Vinton Cemetary on Hwy 70, 0.9 mi east of Vinton. 1524 Comment
  SEINET14611520  Eriastrum sparsiflorum W. Harnach, N. Harnach 2002-8-8 1119 Plumas Sierra Valley, Beckwourth Pass, on N side of Hwy 70, ca 1.5 miles E of Chilcoot. 1591 Comment
  CHSC36879  Ericameria bloomeri M. S. Taylor 1982-9-13 5129 Plumas Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  CHSC36880  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
  CHSC67343  Ericameria bloomeri James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2565 Plumas Red Mtn. Rd. above junction with Rich Gulch Rd., N of Hwy. 70. Comment
  UCSB24680  Ericameria bloomeri McMinn, Howard 1932-8-5 Plumas Chester to Susanville; Plumas and Lassen Co. Comment
  CHSC69509  Ericameria nauseosa var. oreophila Lowell Ahart 1997-9-11 7903 Plumas On the west edge of Caribou Road, on the west side of the North Fork of the Feather River, about 1/2 mile south of Mosquito Creek, about 4 1/2 miles (air) northeast of Belden. 792 Comment
  CAS-BOT-BC294293  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-21 34787 Plumas Rich Bar 762 Comment
  CAS-BOT-BC294295  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-25 34980 Plumas Portola 1478 Comment
  CAS-BOT-BC299436  Ericameria nauseosa var. speciosa Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC299439  Ericameria nauseosa var. speciosa Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  CHSC45657  Ericameria nauseosa var. speciosa Vernon Oswald 1983-8-24 1024 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2072 Comment
  SD71012  Ericameria nauseosa var. speciosa John Thomas Howell 1960-7-24 35991 Plumas Kelly Camp, just south of Lassen Park. 1615 Comment
  SEINET8079195 Image available Ericameria nauseosa var. speciosa J. T. Howell 1959-9-25 s.n. Plumas Summit of Beckwourth Pass 1589 Comment
  CAS-BOT-BC294399  Ericameria parryi var. latior John Thomas Howell 1924-8-11 631 Plumas Two miles east of Chester on road to Westwood 1310 Comment
  CHSC98249  Ericameria parryi var. latior Allison Sanger 2002-10-1 Plumas North side of Forest Road 26, 0.2 miles east of fork to Cypress Trailhead and just south of Twin Buttes. 1463 Comment
  CAS-BOT-BC293026  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34976 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC293029  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34961 Plumas Near Blairsden 1341 Comment
  CHSC59680  Ericameria parryi var. nevadensis L. P. Janeway; Shannon Quinsey 1992-8-11 4289 Plumas Plumas National Forest. Between Dixie Creek and Coyote Hills in the northeast corner of Red Clover Valley: along Road 25N74 0.4 mi southwest of Road 26N70 and Dixie Creek. 1691 Comment
  RSA109789  Erigeron E. K. Balls, Lee W. Lenz 1956-6-19 21836 Plumas 3.6 mi. SE of jct. with State Hwy. 36 and State Hwy. 89, W of lake Almanor. 1433 Comment
  SBBG30615  Erigeron D. Myrick 1968-6-19 1947 Plumas St Hwy 89, W of Lake Almanor 1371 Comment
  UC1563867  Erigeron barbellulatus Barbara Ertter with Gary Schoolcraft 1989-7-3 8651 Plumas ca 8 airmiles s Susanville (w facing steep rocky slope below Red Rock lookout) 2255 Comment
  UCR26888  Erigeron bloomeri E. C. Nord, B. W. Parkinson 1958-7-2 N- 89 Plumas Plumas National Forest, 0.5 mi SE of Meadow View [USFS] Guard Station 1982 Comment
  CAS-BOT-BC294472  Erigeron bloomeri var. bloomeri M. S. Taylor 1982-6-10 4628 Plumas Along 23N72, 1/2 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth 1676 Comment
  CHSC69510  Erigeron canadensis Lowell Ahart 1997-9-11 7914 Plumas On the east side of Caribou Road, on the east side of the North Fork of the Feather River, at the elevated siphon, about 2 miles (air) northeast of Belden. 731 Comment
  CHSC53125  Erigeron coulteri L. P. Janeway 1990-7-3 3756 Plumas Plumas National Forest. Near Paradise Creek about 1/4 mi south of Little Grizzly Creek. 1813 Comment
  CAS-BOT-BC295994  Erigeron divergens Gordon H. True; John Thomas Howell 1967-7-12 43383 Plumas Twain, Sierra Nevada 883 Comment
  RSA726368  Erigeron eatonii L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13982 Plumas About a mile (air) north of the north end of Lake Davis. 1966 Comment
  CAS-BOT-BC300406  Erigeron eatonii var. plantagineus L. P. Janeway 1989-6-9 3281 Plumas Beckwourth Ranger District, Plumas National Forest. Along south side of Red Clover Valley 1691 Comment
  CAS-BOT-BC300834  Erigeron glacialis var. glacialis Ella Dales Cantelow 1941-7-20 3515 Plumas 10 mi. s. of Quincy rd to La Porte 1981 Comment
  CAS-BOT-BC295226  Erigeron inornatus John Thomas Howell 1926-7-24 2106 Plumas Near Prattville 1310 Comment
  UCD131998  Erigeron inornatus Dean Wm. Taylor 1974-10-1 5049 Plumas Jamison Creek drainage, between Grass Lake and Rock Lake (around 3 miles south of Plumas-Eureka State Park). 1950 Comment
  CDA14015  Erigeron inornatus var. calidipetris G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13502 Plumas Sierra Nevada; S side of USFS 23N12, approx. 1 mile W of Bull Run Creek crossing. Comment
  CHSC100862  Erigeron inornatus var. inornatus B. Castro; L. P. Janeway 2005-9-11 1522 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 0.5 mi E of the Three Lakes trailhead, along the Pacific Crest Trail. Along trail just N of the Grassy Lakes. Few feet from S edge of trail. 1901 Comment
  CHSC105677  Erigeron inornatus var. inornatus Lowell Ahart 2010-10-21 17307 Plumas About 5 yards west of the spring, on the south side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak. 1928 Comment
  JEPS114509  Erigeron inornatus var. inornatus Lowell Ahart 2008-8-13 15165 Plumas On the west 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
  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
  SEINET3146618  Erigeron lassenianus var. lassenianus L. S. Rose 1939-6-8 39264 Plumas S end of Lake Almanor 1372 Comment
  SEINET8667754 Image available Erigeron nevadincola C. Tanner 1993-5-25 s.n. Plumas Along dirt road between area know as "Portola Heights"and unincorporated town of Delleker. 1494 Comment
  UC1075734  Erigeron petrophilus var. sierrensis Robert J. Weatherby 1955-7-21 1650 Plumas head No Ear Bar Trail; Middle Fork Feather River, Rocky Point 1524 Comment
  SJSU6947  Erigeron pumilus var. intermedius C. W. Sharsmith 1975-6-17 8225 Plumas near Gray Eagle Creek 1371 Comment
  UCD150598  Erigeron pumilus var. intermedius Tim Metcalf 1974-5-27 374 Plumas Three mi. W of Loyalton; 3 mi. N of Rd. 49 on Harriet Ln. 1524 Comment
  JEPS21092  Eriodictyon californicum C. G. Albertus 1935-8-9 259 Plumas 4 1/2 mi NE of Quincy; Plumas National Forest, Downieville Quad. Comment
  UC572486  Eriodictyon californicum C. G. Albertus 1935-8-9 259 Plumas 4 1/2 mi ne Quincy; Plumas National Forest, Downieville Quad. Comment
  UCD119306  Eriodictyon lobbii G. F. Hrusa 1989-6-25 7195 Plumas Above Bucks Lake. 2286 Comment
  SBBG62000  Eriogonum douglasii A. A. Heller, P. B. Kennedy 1907-7-4 Plumas E of Red Clover Valley Comment
  RSA756700  Eriogonum douglasii var. douglasii Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8664 Plumas Diamond Mt peak ca 7 airmiles S of Susanville 2317 Comment
  CAS-BOT-BC256168  Eriogonum douglasii var. meridionale A. A. Heller; P. B. Kennedy 1907-7-4 8717 Plumas Ridge east of Red Clover Valley Comment
  CHSC57442  Eriogonum douglasii var. meridionale L. P. Janeway; Garrett Gibson 1991-6-24 4056 Plumas Plumas National Forest. Squaw Valley, ca 1/2 mi northwest of 'Four Corners' (junction of Laufman-to-Red Clover Valley Road and Frenchman Lake Road). 1703 Comment
  CHSC95096  Eriogonum douglasii var. meridionale L. P. Janeway; B. Castro 2006-6-3 8659 Plumas Northern High Sierra Nevada. West side of junction between upper and lower parts of Thompson Valley 1.9 km north of the mouth of McReynolds Creek at Red Clover Creek. Open south-facing slope between yellow pine forest and meadow. 1673 Comment
  JEPS108538  Eriogonum douglasii var. meridionale L. P. Janeway, B. Castro 2006-6-3 8659 Plumas Northern High Sierra Nevada. West side of junction between upper and lower parts of Thompson Valley 1.9 km north of the mouth of McReynolds Creek at Red Clover Creek. Open south-facing slope between yellow pine forest and meadow 1673 Comment
  UC1949282  Eriogonum douglasii var. meridionale Barbara Ertter with Gary Schoolcraft 1989-7-3 8664 Plumas Diamond Mt peak ca 7 airmiles S of Susanville Comment
  CAS-BOT-BC256163  Eriogonum douglasii var. meridionale L. P. Janeway 1989-6-23 3384 Plumas Upper w-vacing slope on ridge between Crocker Mdw and Dotta Cr., Beckwourth Ranger District, Plumas National Forest 1889 Comment
  SEINET5329152  Eriogonum elatum W. Harnach, N. Harnach 1991-7-17 653 Plumas Sierra Valley; Beckworth Pass 1597 Comment
  CHSC37711  Eriogonum elatum var. villosum M. S. Taylor 1982-7-12 4982 Plumas Along Jackson Creek Rd (23N48), ca. 1 mi nw of Mt Jackson, ca. 5 air mi nw of Mohawk. 1645 Comment
  SEINET527001  Eriogonum elatum var. villosum Paul Opler, Evi Opler 2004-6-27 Plumas 1 mile east of Clio, granite rocks in intermittently flooded streambed Comment
  SEINET10937578  Eriogonum marifolium Mary Susan Taylor 1981-6-17 Taylor 3917 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Top of Mt Ingalls, ca. 7 air mi SE of Genesee. 8372 ft elev. 2552 Comment
  CAS-BOT-BC263307  Eriogonum marifolium var. marifolium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54270 Plumas Mt. Hough 2203 Comment
  CHSC46649  Eriogonum marifolium var. marifolium Lowell Ahart 1989-7-2 6340 Plumas On the north side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. 2255 Comment
  SEINET10479458  Eriogonum nudum Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5194 Plumas Along the South Fork of the Feather River about 1/4 mile north of the Feather Fork Mine, about 6 miles north-east of La Porte. Comment
  CHSC34735  Eriogonum nudum var. deductum M. S. Taylor 1981-7-6 3978 Plumas In the Y of Ross Canyon Rds A and B, ca. 1.5 mi e of Dixie Valley Rd, ca. 16 air mi nw of Chilcoot. 1920 Comment
  RSA52899  Eriogonum nudum var. deductum R. Weatherby 1950-8-11 1520 Plumas Mt. Elwell, Lakes Basin Area 2226 Comment
  CAS-BOT-BC261592  Eriogonum nudum var. nudum John Thomas Howell; Gordon H. True 1973-7-31 50077 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CHSC53049  Eriogonum nudum var. nudum L. P. Janeway 1989-7-6 3458 Plumas Plumas National Forest Beckwourth Ranger District. South-facing volcanic outcrop 'barren' area, above Jackson Cr and Middle Fk Feather River; 2.3 mi from Hwy 70/89 on rd 23N11, then 1.1 mi on rd 23N48. 1645 Comment
  SEINET11262469  Eriogonum nudum var. nudum Stanley L. Welsh, N. Duane Atwood 2001-6-14 28140 Plumas Ca 4 mi n of Beckwourth.; 0 1481 Comment
  CAS-BOT-BC261597  Eriogonum nudum var. nudum L. W. Swift 1934-7-2 88 Plumas Plumas National Forest. Elizabethtown 1097 Comment
  RSA756719  Eriogonum nudum var. nudum Barbara J. Ertter 1988-7-25 7850 Plumas Diamond Mountains: ca. 15 air miles due S of Susanville, sheep camp on Pierce Creek. 1982 Comment
  UCD100624  Eriogonum nudum var. nudum John Thomas Howell 1973-7-9 49720 Plumas Round Valley. 1371 Comment
  SEINET10479530  Eriogonum nudum var. oblongifolium Mary Susan Taylor 1982-8-30 Taylor 5075 Plumas T27N R11E se sec 26. Kettle Rock quad. Along 27N11, ca. 1 mi ne of Taylor Lake, ca. 7 air mi ne of Taylorsville. 6300 ft. 1920 Comment
  SEINET5330937  Eriogonum nudum var. oblongifolium A. A. Heller, P. B. Kennedy 1907-7-16 8867 Plumas Grade between Genessee Valley and Summit Comment
  UCD100549  Eriogonum nudum var. oblongifolium John Thomas Howell 1973-7-9 49721 Plumas Round Valley. 1371 Comment
  CAS-BOT-BC269945  Eriogonum spergulinum var. reddingianum Anna Head 1921-9-1 s.n. Plumas Feather River Region Comment
  CAS-BOT-BC269948  Eriogonum spergulinum var. reddingianum Robert J. Weatherby 1950-8-11 1522 Plumas Slopes of Mt. Elwell, Lakes Basin Area 2225 Comment
  CHSC34734  Eriogonum spergulinum var. reddingianum M. S. Taylor 1981-7-13 3990 Plumas N side of 25N25Y, among sage. Head of Ferris Creek, ca. 12 mi e of Doyle. 2164 Comment
  UC1075638  Eriogonum spergulinum var. reddingianum Robert J. Weatherby 1950-8-11 1522 Plumas side of Mt. Elwell Lakes Basin Area, Mt. Elwell 2225 Comment
  JEPS56320  Eriogonum spergulinum var. reddingianum W. L. Jepson 1939-4-12 19383 Plumas Ferris Creek, branch of Last Chance Creek 1767 Comment
  RSA670471  Eriogonum sphaerocephalum G. D. Barbe, T. C. Fuller 1982-6-17 3816 Plumas South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1707 Comment
  JEPS87895  Eriogonum strictum var. anserinum Lowell Ahart 1994-7-20 7483 Plumas about 1/2 mi nw Mount Etna (open bare area on both sides of trail, Plumas Co. and Sierra Co.); Pacific Crest Trail, Bunker Hill Ridge 1981 Comment
  CHSC108054  Eriogonum umbellatum var. furcosum L. P. Janeway 2011-8-23 10672 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 22N27 2.3 road km northeast of Road 22N94; 0.9 air km northwest of the tip of the Black Rock Creek arm of Little Grass Valley Reservoir. 1695 Comment
  CHSC65814  Eriogonum umbellatum var. modocense L. P. Janeway 1993-8-5 4503 Plumas Plumas National Forest La Porte Ranger District Onion Valley Compartment. Along Quincy-La Porte Road (Rd 511) 0.4 mi southwest of Onion Valley Creek crossing; ca 1.3 mi northwest of Pilot Peak. Edge of road. 1895 Comment
  CHSC99797  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
  CDA17291  Eriogonum umbellatum var. nevadense G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16319 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
  NY399268  Eriogonum umbellatum var. nevadense L. S. Rose 1934-7-23 34420 Plumas Chilcoot Comment
  UCD101378  Eriogonum umbellatum var. nevadense John Thomas Howell; Gordon H. True 1973-7-31 50112 Plumas summit ridge of Thompson Peak, in areas of volcniac rock, Diamond Range. 2194 Comment
  SEINET10479567  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1982-6-7 Taylor 4611 Plumas 5700 ft. T23N R14E ne/nw sec 32. Portola quad. Open ridge e of Portola, Ramelli Ranch property, ca. 2 mi e of Portola. 1737 Comment
  JEPS113888  Eriogonum umbellatum var. polyanthum L. P. Janeway 2007-8-12 9161 Plumas Northern High Sierra Nevada; Ridgetop on N side of Oak Ridge, 1.4 air km N-NW of Grizzly Summit. 1743 Comment
  SBBG28268  Eriogonum ursinum A. A. Heller 1938-7-2 Plumas 5 mi E of Quincy 1097 Comment
  CAS-BOT-BC262261  Eriogonum ursinum James L. Reveal 1971-6-23 2468 Plumas Along California Highway 89, 4 miles northwest of Greenville and about 4 miles southeast of Canyondam 1219 Comment
  RSA279573  Eriogonum ursinum James L. Reveal 1975-8-24 3974 Plumas Alonh the La Porte-Quincy Rd., 17.5 mi. south of Quincy and 0.3 mi. south of the Chimney Rock Trail turnoff, about 1 airline mile west of Pilot Peak. Comment
  UC726564  Eriogonum ursinum A. A. Heller 1938-7-2 15236 Plumas plain 3 mi e Quincy 1097 Comment
  CHSC65823  Eriogonum ursinum var. ursinum L. P. Janeway 1995-7-23 4868 Plumas Hartman Bar Ridge; south side of top of Franklin Hill. 1737 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
  CHSC97030  Eriogonum vimineum L. P. Janeway; B. Castro 2007-6-23 9069 Plumas Northern High Sierra Nevada. Upper end of lower Thompson Valley 1.9 km north of Red Clover Creek, 10 m southwest of the creek channel. 1673 Comment
  JEPS56138  Eriogonum vimineum W. L. Jepson 1939-8-12 19394 Plumas Ferris Creek, branch of Last Chance Creek Ferris Creek, Last Chance Creek 1767 Comment
  JEPS95078  Eriogonum vimineum Lowell Ahart 1997-9-11 7905 Plumas about 1/2 mi s of Mosquito Creek (about 4 1/2 air mi ne of Beldon, on the e edge of Caribou Road, on w side of the North Fork of the Feather River); North Fork of the Feather River 792 Comment
  UCD101523  Eriogonum vimineum John Thomas Howell 1955-7-19 30807 Plumas Vinton. 1508 Comment
  CAS-BOT-BC264118  Eriogonum vimineum Mrs. H. C. Cantelow 1951-7-29 17 Plumas Hwy. 24, w. of Beckwourth Comment
  CAS-BOT-BC264121  Eriogonum vimineum Lowell Ahart 1981-7-18 2935 Plumas North side of road, about 2 miles north of Belden on Caribou Road 1200 Comment
  UCD101526  Eriogonum vimineum John Thomas Howell 1959-9-26 35079 Plumas 5 miles northeast of Storrie. 609 Comment
  CAS-BOT-BC300952  Eriophyllum lanatum Lloyd W. Swift 1931-5-25 50 Plumas Plumas National Forest. Murdock Crossing 1676 Comment
  RSA32738  Eriophyllum lanatum var. grandiflorum A. A. Heller 1938-5-30 15133 Plumas Near Rich Bar, on Feather River Highway 762 Comment
  CAS-BOT-BC308258  Eriophyllum lanatum var. integrifolium A. A. Heller; P. B. Kennedy 1907-7-2 8687 Plumas Between Vinton and Beckwith Comment
  POM358041  Eriophyllum lanatum var. integrifolium Christopher Davidson 1975-6-7 2740 Plumas 3 miles W on road to Snake Lake, departing NW from Hwy. 89 ca. 2 miles N of Quincy. 1273 Comment
  SEINET3276897 Image available Eriophyllum lanatum var. integrifolium Loraine Yeatts, Dick Yeatts 2011-7-16 5991 Plumas Plumas National Forest, Dixie Mt. State Game Refuge, along NF rd 176 N. of Frenchman Reservoir, Lookout Creek drainage. 1809 Comment
  CHSC37000  Eryngium alismifolium M. S. Taylor 1982-8-27 5058 Plumas Ramelli Ranch, in vernal pools on s side of RR tracks, ca. 1 mi sw of Beckwourth. 1487 Comment
  RSA34823  Eryngium alismifolium Roxana S. Ferris, Laura Lorraine 1941-8-9 10424 Plumas At Lake Almanor Public Camp (near village) Comment
  CAS-BOT-BC54322  Erysimum capitatum Anna Head 1920-6-30 s.n. Plumas Feather River Region. Lake Center Camp. Comment
  HSC22971  Erysimum capitatum John Pratt 1970-6-30 53 Plumas Humboldt Summit Comment
  RSA71066  Erysimum capitatum var. perenne L. S. Rose 1951-6-28 51049 Plumas Above Eureka Lake, north of Johnsville 2073 Comment
  CAS-BOT-BC55103  Erysimum perenne Anna Head 1920-7-13 s.n. Plumas Feather River Region. Gray Eagle Falls. 1859 Comment
  CAS-BOT-BC55106  Erysimum perenne H. F. Copeland 1920-7-8 46 Plumas On the Summit divide between Butte, Plumas and Tehama counties. 1828 Comment
  SEINET8218349  Erythranthe moniliformis A. A. Heller 1915-7-7 12064 Plumas near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks. 1676 Comment
  SEINET8225575  Erythranthe moniliformis E. K. Balls 1950-9-14 15801 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  SD7098  Erythranthe moschata Austin 1880-1 Plumas Big Meadows Comment
  OBI76986  Erythranthe pulsiferae Anthony Baniaga 2011-7-26 473 Plumas Lassen Natl Forest. N of 32N10W, ca 1/4 mi W of Bailey Crk. Red Cinder quad T29N R7E sec 10 SE of SE 1737 Comment
  RSA430188  Erythranthe pulsiferae Christopher Davidson 1975-6-7 2733 Plumas 4.6 mi N. of Greenville on Hwy 89. 1238 Comment
  CAS-BOT-BC494093  Erythranthe suksdorfii William Harnach 2000-6-4 904 Plumas Sierra Valley, approx. 1 mi N of the Crocker Guard Station 1737 Comment
  CAS-BOT-BC133261  Erythronium R. H. Boeker 1913-4-23 17 Plumas Plumas National Forest Comment
  CAS-BOT-BC505243  Erythronium grandiflorum John Thomas Howell 1951-6-28 27684 Plumas Eureka Park 2133 Comment
  CAS-BOT-BC505245  Erythronium grandiflorum W. W. Wagner 1919-5-18 260 Plumas Along tributary of Massack Creek 1432 Comment
  JEPS100358  Erythronium purpurascens Dean W. Taylor 2001-6-6 17780 Plumas ridge about 1 mile North of Lexington Hill (ca. 1.5 air miles NW of La Porte) 1706 Comment
  RSA30124  Erythronium purpurascens J. T. Howell 1951-6-28 27684 Plumas Eureka Peak 1982 Comment
  CAS-BOT-BC505248  Erythronium purpurascens Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1954 Plumas Fern Glen, Butterfly Botanical Area 1097 Comment
  UC1075911  Erythronium purpurascens E. K. Balls and L. W. Lenz 1955-5-14 20706 Plumas sw Greenville; Forest Lodge 1127 Comment
  UC635611  Eschscholzia californica H. L. Mason 1924-6-15 1034 Plumas Graeagle Comment
  UC855169  Eschscholzia californica A. A. Heller 1938-7-2 15239 Plumas 3 mi e Quincy; Indian Valley 1097 Comment
  CAS-BOT-BC310381  Eucephalus breweri Robert J. Weatherby 1950-8-11 1519 Plumas Mt. Elwell, Lakes Basin Area 2286 Comment
  SD61124  Eucephalus breweri Darley F. Howe 1964-7-29 Plumas 2 miles from Gold Lake Lodge. Comment
  CAS-BOT-BC310539  Eurybia integrifolia M. S. Taylor 1982-8-30 5077 Plumas S end of Taylor Lake, ca. 6 air mi ne of Taylorsville 2103 Comment
  CHSC65619  Eurybia integrifolia L. P. Janeway 1995-10-11 4942 Plumas Lakes Basin. 0.3 mi north-northeast of Lakes Basin Campground; on east side of Gold Lake Hwy opposite the entrance to the campground. 1923 Comment
  CAS-BOT-BC312259  Euthamia occidentalis Malcom A. Nobs; S. Galen Smith 1949-8-19 1455 Plumas Southeastern side of Portola Comment
  CDA18449  Festuca G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3195 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
  CHSC53177  Festuca idahoensis L. P. Janeway 1989-6-30 3446 Plumas Plumas National Forest. Along rd 24N45Y 1.2 mi E of Crocker Cr opposite Crocker Guard Station and the Beckwourth-Genesee Rd (rd 111) 6.4 mi N of Beckwourth. 1874 Comment
  UC573934  Festuca idahoensis E. Sawyer 1935-6-14 65 Plumas 5.75 mi n Sattley; Sierraville Quad. 1524 Comment
  OBI21884  Festuca microstachys Lewis S. Rose 1963-6-3 63083 Plumas Butterfly Valey, 2 mi SW of Keddie 1189 Comment
  UCD66185  Festuca occidentalis G. L. Stebbins Jr. 1939-7-6 2908 Plumas 1.7 miles east of Meadow Valley on road to Quincy. 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
  JEPS121738  Festuca trachyphylla L. P. Janeway 2014-7-17 11564 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; 0.5 km north of Logn Valley Creek, along the dryish eastern edge of the large meadow on the northwest side of Happy Valley. Comment
  CHSC25473  Floerkea proserpinacoides L. Ahart 1977-6-20 151 Plumas Meadow, 6 mi n of La Porte. 1800 Comment
  CHSC98917  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-15 9195 Plumas Northern High Sierra Nevada. Granite Basin, along an unnamed northeastern branch of Little North Fork Middle Fork Feather River, near its head, near the Road 23N95Y crossing. Near and with the riparian strip along the creek. 1588 Comment
  CHSC98920  Frangula purshiana subsp. annonifolia L. P. Janeway; B. Castro 2007-8-18 9200 Plumas Northern High Sierra Nevada. Along Squirrel Creek and Road 401 1.9 km northeast of Hwy 70/89 and Williams Loop (railroad). 1268 Comment
  JEPS114192  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-15 9195 Plumas Northern High Sierra Nevada. Granite Basin, along an unnamed northeastern branch of Little North Fork MIddle Fork Feather River,n ear its head, near the road 23N95Y crossing. Comment
  CHSC67381  Frangula purshiana subsp. ultramafica James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2560 Plumas Red Mtn. Rd. 1.1 mi above junction with Rich Gulch Rd., N of Hwy. 70. 1584 Comment
  CHSC96740  Fritillaria atropurpurea L. P. Janeway 2007-5-20 8985 Plumas Northern High Sierra Nevada. Along road to the top of Red Hill, about 0.2 km due north of the summit. 1902 Comment
  UC333405  Fritillaria atropurpurea unknown 1889-5-25 Plumas Mohawk Valley Comment
  UC1075696  Fritillaria atropurpurea Robert J. Weatherby 1955-7-2 1566 Plumas Bear Ridge near Taylor Lake; Bear Ridge 2194 Comment
  SD6473  Fritillaria pudica Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  SEINET8479095  Fritillaria pudica T. Ramelli 1948-4-17 3 Plumas 5 miles S of Vinton. 1554 Comment
  RSA59100  Fritillaria recurva E. K. Balls 1950-8-30 15504 Plumas Trail to Bucks Creek from Tobins Resort, North Fork Feather River. 610 Comment
  UC1075693  Galium bifolium Robert J. Weatherby 1955-6-26 1546 Plumas Mud Lake Lakes Basin Area (on volcanic cliff) 2194 Comment
  RSA794957  Galium bolanderi L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16219 Plumas North side of Forest Service Road 26N22, 4650 feet northwest of Rattlesnake Hill, 3.0 air miles SSE of Lake Almanor Dam. 1591 Comment
  RSA252405  Galium bolanderi Robert F. Thorne, C. W. Tilforth 1969-9-6 39223 Plumas Ca. 2.5 miles S of Graeagle on Gold Lake Rd. 1646 Comment
  CHSC43370  Galium grayanum Lowell Ahart 1974-10-1 641 Plumas On the west part of the Buzzard's Roost Ridge, about 1 mile north of Onion Valley, about 1 1/2 miles north-west of Pilot Peak. 1981 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
  CHSC47482  Galium trifidum var. pacificum Lowell Ahart 1980-10-6 2664 Plumas On the south shore of the lake about 1/2 mile west of Fowler Peak, about 2 air miles north of Little Grass Valley Reservoir. Comment
  SEINET10500647  Galium triflorum Mary Susan Taylor 1981-7-29 Taylor 4150 Plumas T25N R12E se 1/4 ne 1/4 sec 19 Genesse Valley quad. Along creek crossing 25N 42-Flournoy grade, 0.2 mi N of N branch of Ward Creek, ca. 5 air mi se of Genesse. Riparian wood on granite. 6000 ft. 1829 Comment
  CAS-BOT-BC169854  Garrya fremontii M. S. Taylor 1982-5-15 4453 Plumas along Gray Eagle Lodge Rd, just sw of Hwy 519, ca. 7 mi s of Mohawk 1737 Comment
  CHSC32526  Garrya fremontii M. S. Taylor; L. Hanson 1981-3-5 3399 Plumas On n side of Hwy 70, in Serpentine Canyon, ca. 5 mi e of Belden. 853 Comment
  CHSC34275  Garrya fremontii M. S. Taylor 1981-5-10 3663 Plumas N side of Genesee Valley Rd. ca. 4 mi w of Genesee. 1097 Comment
  CHSC56862  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1991-8-3 4117 Plumas Plumas National Forest. Northeasterly drainage into Freeman Creek, below 'Five Points' and 2 mi west of Smith Peak. Meadow edge. 1981 Comment
  POM249896  Gayophytum diffusum subsp. parviflorum Joseph A. Ewan 1934-7-18 8576 -a Plumas Camp Caldwell at Dentens, Mohawk Valley 1616 Comment
  CHSC24250  Gayophytum heterozygum K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  CHSC59920  Gayophytum heterozygum L. P. Janeway 1992-7-17 4266 Plumas Plumas National Forest. 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. In unused dirt road and adjacent clearcut slope. 1731 Comment
  JEPS107701  Gayophytum heterozygum Lowell Ahart, John Dittes 2005-9-20 12448 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2049 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
  CHSC46122  Gayophytum humile Lowell Ahart 1981-7-21 2973 Plumas Along the edge of Cleghorn Bar Road, 1 1/2 miles west of Quincy La Porte Road, about 2 air miles west of Pilot Peak. 1706 Comment
  SD46716  Gayophytum humile Robert J. Weatherby 1955-7-2 1589 Plumas Common in dry meadow. Red Fir Forest. Wilcox Valley. 1768 Comment
  RSA107487  Gayophytum ramosissimum L. S. Rose 1955-7-19 55153 Plumas Beckworth Pass. 1494 Comment
  CHSC37010  Gentiana calycosa M. S. Taylor 1982-8-23 5043 Plumas Both sides of Virgilia-Meadow Valley Rd along creek just w of headwaters of York Creek, ca. 1.4 air mi sw of Virgilia. 1524 Comment
  UC878532  Gentiana newberryi Mrs. A. L. Coombes Sep 1912 Plumas Big Meadows Comment
  NY335423  Gentiana simplex R. M. Austin 07 1874 s.n. Plumas Fern Dell Comment
  CAS-BOT-BC459552  Geum macrophyllum A. A. Heller; P. B. Kennedy 1907-7-9 8787 Plumas Quincy, south of town; Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC459557  Geum macrophyllum John Thomas Howell 1967-6-23 42683 Plumas Canyon of Butterfly Creek; Sierra Nevada 1036 Comment
  JEPS28493  Geum macrophyllum George W. Gillett 1957-7-17 806 Plumas upper Willow Lake Meadow, near the east inlet Willow Lake Meadow; Lassen Volcanic National Park, Willow Lake Meadow 1661 Comment
  SEINET10483304  Geum macrophyllum Mary Susan Taylor 1981-7-6 Taylor 3970 Plumas T24N R16E nw/se sec 7. Frenchman lake quad. Roadside and meadow along Grigsby Creek, ca. 1 mi W of N tip of the lake, ca. 13 air mi NW of Chilcoot. 5900 ft elev. 1798 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
  RSA641459  Geum triflorum Michael A. Vincent 1999-6-8 8562 Plumas Along FS 28N03H about 0.25-0.5 miles south of FS Route 3. Comment
  JEPS102740  Gilia 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) NE of Humboldt Summit. 1706 Comment
  POM181059  Gilia capitata subsp. mediomontana A. A. Heller, B. B. Kennedy 1907-7-12 8822 Plumas Near Greenville Comment
  SEINET5906112 Image available Gilia leptalea L. S. Rose 1967-1 67159 Plumas Mt Hough Rd. 9.5 mi NE of Quincy Jct. Comment
  CHSC44568  Glyceria elata Lowell Ahart 1978-10-4 1815 Plumas Along the edges of Bird Creek, about 4 miles west of Pilot Peak, about 15 miles north of La Porte. 1645 Comment
  HSC92446  Glyceria elata L. Ahart 1980-10-6 2670 Plumas S shore of small lake, 1/2 mi. W of Fowler Peak, 2 mi. N of Little Grass Valley Reservoir 1616 Comment
  JEPS28297  Glyceria elata George W. Gillett 1957-7-17 797 -a Plumas stream flowing from Little Willow Lake into Willow Lake; Lassen Volcanic National Park 1767 Comment
  CAS-BOT-BC303829  Gnaphalium Emily McPherson 1976-11-7 76- 32 -8 Plumas 5 miles N of Beckwourth 2055 Comment
  CDA5884  Gnaphalium canescens subsp. thermale F. L. Blanc 1980-8-22 Plumas 1/4 mile west of Cromberg. 0 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
  JEPS102796  Gnaphalium palustre Lowell Ahart 2001-9-18 9273 Plumas On the wet strand of the south end on the pond, Butterfly Valley, about 5 miles (air) NW of Quincy. 1104 Comment
  JEPS110531  Gnaphalium palustre Lowell Ahart 2006-10-23 13475 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 o 1281 Comment
  RSA60241  Gnaphalium palustre E. K. Balls 1950-9-2 15633 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley 2256 Comment
  SEINET13709343  Gnaphalium palustre Lowell William Ahart, Lowell William Ahart 2001-1 9273 Plumas Pond in Butterfly Valley, 5 Air Mi. NW of Quincy (T25N, R9E, sec 29, NE 1/4) 3625 Ft. 1105 Comment
  CHSC66899  Goodyera oblongifolia Vernon H. Oswald; Lowell Ahart 1996-8-14 8169 Plumas Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. 1645 Comment
  JEPS114912  Gratiola ebracteata Lowell Ahart 2008-7-9 15063 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
  SEINET10832497  Gratiola neglecta Mary Susan Taylor 1982-8-27 Taylor 5057 Plumas T23N R14E nw/se sec 27. Portola quad. Ramelli Ranch, vernal pools on s side of RR tracks, ca. 1 mi sw of Beckwourth. 4880 ft. 1487 Comment
  SEINET8551074  Greeneocharis circumscissa W. Harnach, N. Harnach 1990-6-16 386 Plumas Sierra Valley; N of Vinton, Frank Dotta Ranch. 1524 Comment
  JEPS113895  Grindelia squarrosa var. serrulata L. P. Janeway and B. Castro 2007-8-18 9205 Plumas Northern High Sierra Nevada; Along Hwy 70 0.4 km E of La Porte Road, along the N edge of Thompson Valley about 1.6 km E of East Quincy. 1059 Comment
  JEPS113904  Grindelia squarrosa var. serrulata L. P. Janeway 2007-8-14 9192 Plumas Northern High Sierra Nevada, Plumas National Forest; along Frenchman Lake Road and Little Last Chance Creek, 2.0 road km S of Frenchman Dam 1650 Comment
  CAS-BOT-BC182435  Hackelia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54279 Plumas About 1.3 mi. southeast of summit of Mt. Hough on road to Quincy 2042 Comment
  CAS-BOT-BC231131  Hackelia amethystina Johnnie L Gentry, Jr. 1968-6-20 2072 Plumas Mount Hough, 7.9 miles NE of Quincy on Mount Hough-Crystal Lake Road 1874 Comment
  CHSC88001  Hackelia amethystina Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11159 Plumas 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
  JEPS106042  Hackelia amethystina Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11159 Plumas 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
  JEPS55563  Hackelia californica W. L. Jepson 1927-6-21 12281 Plumas near Rice Creek (Feather River meadows); Feather River Comment
  SD46643  Hackelia micrantha Robert J. Weatherby 1955-7-2 1576 Plumas Creek below Bear Ridge, near Taylor Lake 2075 Comment
  POM255851  Hackelia nervosa Marion Ownbey, Ruth Ownbey 1938-7-14 1735 Plumas Summit from Jonesville, Sierra Nevada Comment
  SEINET11841727  Haplopappus bloomeri W. Knight, Knight, I. 1983-1 4912 Plumas 2 mi out of Chester on road to Drakesbad Comment
  CHSC54331  Hastingsia alba Vernon H. Oswald; Lowell Ahart 1991-6-18 4676 Plumas Forest Rd 28N38, 1.7 miles northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north-northwest of Greenville. 1463 Comment
  CAS-BOT-BC508342  Hastingsia alba Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1657 Plumas Sweetwater Meadow, Buterfly Botanical Area and Vicinity 1127 Comment
  CAS-BOT-BC307519  Hazardia whitneyi var. whitneyi H. F. Copeland 1920-8-24 220 Plumas Near the big summit divide between Butte, Tehama, Plumas Co. Comment
  CHSC45677  Hazardia whitneyi var. whitneyi Vernon Oswald 1986-8-7 2272 Plumas Old Hauns Rd. to Homer Lake trailhead, 7.6 mi ne of Hwy 89. On ridge. 1722 Comment
  CHSC79681  Hazardia whitneyi var. whitneyi G. F. Hrusa; T. D. Wilfred 1996-8-1 13416 Plumas Northern California, Sierra Nevada. ~ 1/4 mi. S of intersection of USFS 24N42 and 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. [Original lat./long. on label is '39 55 N; 120 44 W']. 1700 Comment
  CAS-BOT-BC306690  Helenium bigelovii John Thomas Howell 1960-7-18 35532 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC306694  Helenium bigelovii Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC59689  Helenium bigelovii L. P. Janeway 1992-8-30 4301 Plumas Plumas National Forest. McRae Meadow; upper end of East Nelson Creek. Slope on west side of valley. 1889 Comment
  CAS-BOT-BC305310  Helianthella Clare B. Hardham 1975-8-2 20447 a Plumas Black Mt. 2133 Comment
  RSA59753  Helianthus bolanderi E. K. Balls 1950-9-15 15800 Plumas 2 miles east of S tip of Lake Almanor, between Greenvillle and Lake Alamnor, Hwy 89 1402 Comment
  CAS-BOT-BC315014  Hemizonella minima John Thomas Howell; Gordon H. True 1969-6-23 45826 Plumas On Middle Fork of Feather River at Nelson Point, Sierra Nevada 1249 Comment
  CAS-BOT-BC306031  Hemizonia congesta subsp. clevelandii John Thomas Howell 1961-9-23 36825 Plumas Indian Valley 1082 Comment
  UCD170310  Hesperis matronalis M. S. Taylor 1982-6-9 4618 -A Plumas Along Bucks Lake Rd, across the street of Meadow Valley Inn. 1219 Comment
  SEINET5499830  Hesperochiron pumilus G. C. Gulling 1905-1 1205 Plumas Sierra Valley Comment
  POM147044  Hesperolinon micranthum Alice Eastwood 1927-06 14931 Plumas On road from Chilcott, United States Forest Reserve Comment
  UC641608  Hesperostipa comata subsp. intermedia G. L. Stebbins Jr. 1939-7-9 2927 Plumas 1 mi w Meadow View Ranger Station 1859 Comment
  SEINET10460735  Heterocodon rariflorum Lowell Ahart 1975-7-20 Ahart s.n. Plumas Found in very wet ground 0.5 mile below the Bunker Hill Moine. 10 miles northeast of La Porte 1829 Comment
  CHSC69702  Heterotheca oregona var. rudis Vernon Oswald; Lowell Ahart 1997-9-18 8871 Plumas Hwy. 70 between Tobin and Belden, 10.7 mi north of the Butte-Plumas county line. On the bank of the North Fork Feather River. 627 Comment
  CAS-BOT-BC310936  Heterotheca villosa var. minor H. M. Hall; E. B. Babcock 1903-7-1 4435 Plumas Sierra Nevada Mountains. Indian Valley 1097 Comment
  CAS-BOT-BC312292  Heterotheca villosa var. minor John Thomas Howell 1951-6-27 27632 Plumas Jamison Creek, Sierra Nevada 1828 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
  CAS-BOT-BC424168  Heuchera micrantha var. erubescens Walter Knight; Irja Knight 1966-9-12 1750 Plumas Mouth of Butterfly Creek Comment
  CAS-BOT-BC424172  Heuchera micrantha var. erubescens Ella Dales Cantelow 1941-5-21 3517 Plumas Meadow Valley about 6 mi W of Quincy 1173 Comment
  SEINET3161039  Heuchera rubescens E. K. Balls 1950-9-1 15593 Plumas above trail going S around lake, E of Long Lake. Southern Pluma Co. 2134 Comment
  UC1586470  Hieracium nudicaule Vernon H. Oswald 1991-7-17 4755 Plumas 0.5 mi (air) s Little Willow Lake (and ca 3 mi (air) s of Drakesbad, Forest Rd 29N16 (Little Willow Lake Rd), 0.4 mi n of its junction with Forest Rd 29N18 (Upper Rice Creek Rd.)) 1874 Comment
  SEINET4399867  Hippuris vulgaris W. Harnach, N. Harnach 1991-6-30 597 Plumas Approximately 1 mile south of the Steel Bridge on Marble Lane, Ibis rookery site 1486 Comment
  RSA0016766  Hippuris vulgaris Carl B. Wolf 1937-9-5 9293 Plumas Northern Sierra Nevada; Red Bluff-Susanville Road, 0.25 mile E of Chester. 1305 Comment
  CAS-BOT-BC289225  Holcus lanatus David D. Keck 1944-7-8 5425 Plumas 1 mile N. of Quincy, across Spanigh Creek 1066 Comment
  CAS-BOT-BC284646  Hordeum brachyantherum subsp. brachyantherum W. Harnach; N. Harnach 1991-6-21 559 Plumas Sierra Valley. Next to R/R bridge east of Co. Rd. A-23 1487 Comment
  CAS-BOT-BC284652  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell 1962-6-17 37733 Plumas Portola 1463 Comment
  UCD85415  Hordeum brachyantherum subsp. brachyantherum Lewis S. Rose 1968-6-10 68084 Plumas Quincy. 1036 Comment
  CAS-BOT-BC284649  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell 1960-7-18 35511 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC102051  Hordeum jubatum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16244 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC273494  Hordeum vulgare John Thomas Howell 1961-6-21 36680 Plumas Greenville 1097 Comment
  CAS-BOT-BC143430  Horkelia fusca var. brownii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54141 Plumas 1/4 mile west of Round Valley Resrvoir Dam 1371 Comment
  UCD147793  Horkelia fusca var. parviflora Allyson Ayalon; Lucie Jerabkova 2012-8-1 146 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CHSC94191  Horkelia tridentata subsp. tridentata Lowell Ahart 2006-7-3 12909 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, near the southwest edge of a dry open basalt flat. 1527 Comment
  CHSC102082  Hosackia oblongifolia var. oblongifolia Lowell Ahart; John Dittes 2009-7-13 16046 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
  CHSC37194  Hosackia stipularis var. ottleyi L. Ahart 1982-7-30 3734 Plumas Along the edge of a dirt road, near headwaters of Ohio Ravine, ca. 1 mi ne of Hardquartz Mine, ca. 6 mi s of Bucks Lake. 1700 Comment
  CHSC45910  Hosackia stipularis var. ottleyi Lowell Ahart 1982-7-30 3734 Plumas Along the edge of a dirt road, near the headwaters of Ohio Ravine, about 1 mile north-east of the Hardquartz Mine, about 6 miles south of Bucks Lake. 1584 Comment
  CHSC21321  Hydrophyllum occidentale F. T. Griggs; A. Pass 1975-7-8 112 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC72312  Hydrophyllum occidentale L. P. Janeway; Glenn Clifton 1998-7-8 5726 Plumas About 1.5 mi southwest of Diamond Mtn; at junction of Diamond Mtn Motorway (Road 28N15) and unnamed road to small pond on a saddle on the crest. 2115 Comment
  UC723823  Hydrophyllum occidentale Joseph Andorfer Ewan 1934-6-27 8262 Plumas near Long Lake (along Mt Elwell trail); Sierra Nevada 2072 Comment
  JEPS103215  Hydrophyllum occidentale G. Schoolcraft 1989-7-3 1944 Plumas Diamond Mtns. between Diamond and Red Rock peaks 2194 Comment
  RSA420906  Hydrophyllum occidentale Christopher Davidson 1975-6-7 2746 Plumas 1 mile on road to Dalton Creek, departing northeast from Highway 70, 0.7 mile east of Highway 70 and 89. 1494 Comment
  RSA92196  Hymenoxys lemmonii F. W. Peirson 1932-7-20 10356 Plumas North of Layalton, probably in Plumas Co. (in Sierra Valley) Comment
  UC879866  Ipomopsis aggregata Anna Head 1921-1 Plumas Lake Center Camp Feather River Region Comment
  HSC22956  Ipomopsis aggregata John Pratt 1970-7-10 73 Plumas 1524 Comment
  SEINET12326783  Ipomopsis aggregata L. Ahart, Ahart, P. 1983-1 4334 Plumas Near Onion Valley, W of Pilot Peak, near the Quincy-LaPorte Rd, NE of La Porte, Red Fir Forest 610 Comment
  SEINET12618232  Ipomopsis aggregata subsp. bridgesii M. Hagebusch 2016-8-5 103 Plumas Plumas NF, along Pacific Crest Trail, ca 1.4 trail miles N of Bucks Lake Road (County Road 414), 2.1 air miles S of Spanish Peak. 1871 Comment
  RSA304667  Ipomopsis aggregata subsp. formosissima J. R. Shevock 1972-5-19 2017 Plumas Cresent Mills Comment
  UC1123676  Ipomopsis tenuituba E. Sawyer 1935-6-24 138 Plumas 4 1/2 mi e Crow; Sierraville Quadrangle 1859 Comment
  CAS-BOT-BC135727  Iris hartwegii Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1933 Plumas Butterfly Botanical Area and Vicinity - Halfway between valley and Darlingtonia bog. 1066 Comment
  CAS-BOT-BC135745  Iris hartwegii Mrs. Jos Clemens 1919-11-1 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC135743  Iris hartwegii M. S. Taylor 1982-5-27 4543 A Plumas Under pines on e side of Dixie Canyon rd (204), 0.5 mi n of its jct with Hwy 89 at Maccasin. 1158 Comment
  RSA168726  Iris hartwegii R. M. Straw 1962-6-27 2195 Plumas Southwest slope of Mt. Ararat, 6 miles SSE of Bucks Lake. 1700 Comment
  JEPS26740  Iris hartwegii subsp. hartwegii P. C. Hutchison 1961-6-9 2131 Plumas 0.4 mi. e. of Dam & store Round Valley Reservoir Comment
  UC1586426  Iris hartwegii subsp. pinetorum Vernon H. Oswald and Lowell Ahart 1991-6-18 4675 Plumas ca 3 air mi nnw Greenville (Forest Rd 28N38, 1.7 mi ne Forest Rd 28N38 junction with County Rd 201 (Old Haun Rd)) 1463 Comment
  UC1174773  Iris tenuissima subsp. purdyiformis L. W. Lenz and E. K. Balls 1955-5-13 20699 Plumas between Tobin and Camp Rogers (along U.S. Hwy 40) 609 Comment
  CAS-BOT-BC61863  Isoetes nuttallii John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-12 2145 Plumas Pond reservoir 1097 Comment
  CHSC36870  Iva axillaris M. S. Taylor 1982-9-13 5136 Plumas Ramelli Ranch, in vicinity of Calpine Rd (109) bridge, s of Feather River, ca. 1 mi w of Beckwourth. 1487 Comment
  CAS-BOT-BC137402  Ivesia aperta A. A. Heller; P. B. Kennedy 1907-7-18 8882 Plumas [Beckwith] Beckwourth Comment
  CAS-BOT-BC137407  Ivesia aperta Ethel Crum 1937-8-5 1937 Plumas Newman Point, Sierra Valley 1524 Comment
  UCD113579  Ivesia aperta var. aperta Dean Wm. Taylor; Glenn Clifton 1990-6-25 11170 Plumas Summit of Doyle Grade, in the drainage of Little Last Change Creek, ca. 1 mile W of Meadow View Campground. 1950 Comment
  CHSC39365  Juncus balticus L. Ahart; P. Ahart 1983-8-17 4317 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  CHSC47522  Juncus balticus Lowell Ahart 1979-7-18 1981 Plumas Along the edge of Quincy La Porte Road, just south of where the road crosses Onion Valley Creek, about 1 mile west of Pilot Peak, about 12 miles north of La Porte. 1767 Comment
  CHSC116383  Juncus balticus Sara M. Taylor; Scott Batiuk 2012-8-13 64 Plumas Plumas National Forest. Muck Fen. Take Mill Creek Rd to the Mud Lake Rd. intersection. On foot, cross to the north side of the river and head WNW. UTM zone 10, 4423080 N, 652386 E. 1890 Comment
  CHSC92125  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2005-9-19 12420 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. 1989 Comment
  JEPS102506  Juncus confusus Lowell Ahart 2001-7-17 8901 Plumas In the middle 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
  CHSC40349  Juncus covillei Lowell Ahart 1985-7-11 5123 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. 1584 Comment
  SD147658  Juncus covillei Walter Knight, Irja Knight, John Thomas Howell 1966-7-28 1441 Plumas Butterfly Botanical Area and vicinity, in bed of Spanish Creek, near confluence of Butterfly Creek. 883 Comment
  UCD108052  Juncus covillei Tim Kuhn 2006-7-10 85 Plumas on Plumas NF forest service road 107407. Comment
  SEINET10945580 Image available Juncus dubius R. M. Austin 1880-1 Austin s.n. Plumas Comment
  SD147655  Juncus effusus subsp. effusus Lowell Ahart 1980-10-6 2665 Plumas Sierra Nevada, lake, I(c) mile west of Fowler Park, Red Fir forest. 1700 Comment
  UCR100492  Juncus effusus var. exiguus P. J. MacKay 1980-9-7 s.n. Plumas Lake Almanor, Hwy 147 at junction with Hwy A-13. 1427 Comment
  CHSC45603  Juncus ensifolius Dean W. Taylor 1976-7-9 6182 Plumas About 1 mile north of Humboldt Summit. 1798 Comment
  CHSC84238  Juncus ensifolius Lowell Ahart 2003-7-18 10422 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
  JEPS104613  Juncus ensifolius Lowell Ahart 2003-7-18 10422 Plumas On sides of a drainage in a meadow, on n side of the road, ca 1/4 mi w of Lumpkin Ridge Rd, ca 1 1/2 mi se of Tamarack Flat, ca 1 1/2 mi (air) nw of Little Grass Valley Reservoir dam, ca 4 1/2 mi (air) nw of La Porte. 1709 Comment
  SEINET10472443  Juncus hemiendytus Lowell Ahart 1985-7-11 Ahart 5135 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
  CHSC110250  Juncus howellii L. P. Janeway 2012-8-28 11055 Plumas Northern High Sierra Nevada. Meadow at north end of Rock Is-land Ridge 1.1 km southeast of Soapstone Hill; west side of inter-section of Road 23N18 and its D spur. 1593 Comment
  JEPS107922  Juncus howellii Lowell Ahart, John Dittes 2005-9-19 12422 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 1989 Comment
  JEPS107933  Juncus howellii Lowell Ahart, John Dittes 2005-9-19 12418 Plumas Along the west 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
  CHSC92202  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
  RSA755323  Juncus laccatus L. Ahart, John Dittes 2009-7-13 16035 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
  CHSC118782  Juncus longistylis Chelsea Morgan 2015-6-28 2015 -019 Plumas Plumas National Forest. Near Moonlight Valley, south of Forest Service road 28N30B, northwest of 28N30B1 (UTM 688739 E, 4455754 N, NAD83 Zone 10N.) 1800 Comment
  CAS-BOT-BC110166  Juncus luciensis A. A. Heller; P. B. Kennedy 1907-7-3 8695 Plumas Red Clover Valley. Comment
  CHSC97468  Juncus luciensis Lowell Ahart; John Dittes 2007-6-16 14097 Plumas Graded road gutter, east of the 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
  CHSC60618  Juncus mertensianus L. P. Janeway 1984-9-1 1102 Plumas Lakes Basin; north-facing slope above Round Lake. 2133 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
  CHSC102041  Juncus nevadensis Lowell Ahart; John Dittes 2009-7-27 16191 Plumas On dry soil, about 20 yards north of the poor dirt road, about 10 yards north of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC78753  Juncus nevadensis L. P. Janeway 2000-7-16 6904 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
  CHSC97271  Juncus nevadensis var. nevadensis Lowell Ahart; John Dittes 2007-8-9 14440 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
  RSA201299  Juncus occidentalis J. T. Howell 1960-7-20 35753 Plumas Boilings Springs Lake; Lassen Volcanic National Park 1799 Comment
  UCSB63770  Juncus oxymeris Janeway, L. 1998-9-10 Plumas Butterfly Valley Botanical Area; southwest edge of the main darlingtonia bog; below Road 25N47 (Sweetwater Marsh); 0.3 mi south of Road 417; T25N, R9E, SE 1/4 of SE1/4 of sec. 20; Crescent Mills quad 1164 Comment
  CHSC102670  Juncus tenuis Lowell Ahart; John Dittes 2009-9-7 16390 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC53720  Juncus tenuis L. P. Janeway 1989-7-11 3474 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.3 mi SW of Beckwourth-Genesee Road (rd 111) 11.5 mi from Beckwourth. 1691 Comment
  CHSC65859  Juncus tenuis L. P. Janeway 1995-10-25 4950 Plumas Lakes Basin. Southwest end of Lakes Basin Campground, southeast side of Grass Lake. 1920 Comment
  CHSC81922  Juniperus communis Samantha Hillaire 2001-10-29 300 Plumas Northern High Sierra Nevada. Southeast of Buckhorn and Granite Summits, just north of 23N69 road above roadcut, below and around 2 large rock outcrops. 1877 Comment
  UC401371  Juniperus communis H. M. Hall 1912-7-12 9345 Plumas slopes s of Long Lake; Sierra Nevada Mountains 2072 Comment
  SEINET10958674  Juniperus occidentalis H. E. Brown 1897-8-1 Brown 503 Plumas Collected near Lassen Buttes. 1800 Comment
  CAS-BOT-BC58898  Kalmia microphylla subsp. microphylla J. H. Hatton; Cayot 1914-9-12 19213 Plumas Long Lake 2072 Comment
  CHSC84903  Kalmia polifolia subsp. microphylla L. P. Janeway 2003-9-20 8000 Plumas Northern High Sierra Nevada. At meadow and shallow pond complex in cirque 0.15 km southwest (up-drainage) of Hellgramite Lake; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area. At pond edge. 2115 Comment
  CAS-BOT-BC246159  Keckiella lemmonii David D. Keck 1932-7-6 1712 Plumas 3 mi. N of Keddie 1036 Comment
  JEPS85636  Keckiella lemmonii W. L. Jepson 1939-7-31 19295 Plumas half-way between Meadow Valley and Buck's Valley (Spanish Peak, lower slopes); Spanish Peak 1524 Comment
  RSA293275  Keckiella lemmonii D. C. Michener 1980-8-5 3788 Plumas Northern Sierra Nevada. Along the North Fork of the Feather River 3.4 miles south of jct of CA 70 with CA 89. 900 Comment
  HSC22939  Kelloggia galioides John Pratt 1970-6-25 43 Plumas Comment
  JEPS115162  Kelloggia galioides Lowell Ahart, John Dittes 2009-7-15 16083 Plumas On dry rocky soil, near 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
  SJSU11547  Kelloggia galioides J. W. Tilden 1958-6-29 1307 Plumas SW shore, L Almanor 1828 Comment
  UCD121964  Kelloggia galioides F. H. Bolster 1912-8-31 s.n. Plumas Long Lake Valley. 1981 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
  CHSC94779  Lactuca serriola Lowell Ahart 2006-10-8 13401 Plumas On the west bank of Chips Creek, south of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  JEPS94951  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
  CAS-BOT-BC340602  Lactuca serriola Rimo Bacigalupi; Lawrence R. Heckard 1951-8-8 3480 Plumas Just east of Westwood 1554 Comment
  CAS-BOT-BC341570  Lagophylla ramosissima John Thomas Howell 1955-7-19 30745 Plumas Beckwourth 1493 Comment
  CDA14739  Lagophylla ramosissima G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3281 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  CAS-BOT-BC341574  Lagophylla ramosissima John Thomas Howell 1951-6-29 27738 Plumas Near Spring Garden 1219 Comment
  CDA13375  Lagophylla ramosissima subsp. ramosissima G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13224 Plumas Sierra Nevada; Nr. inter. of Hwy. 70 & Sloat Rd. approx. 3 m. E of Spring Garden. Comment
  UC81787  Lathyrus brownii Mrs. R. M. Austin Jul 1878 39 Plumas Big Meadows Comment
  UC176281  Lathyrus lanszwertii var. aridus A. A. Heller 1913-6-13 10851 Plumas Near Quincy Comment
  UC170934  Lathyrus lanszwertii var. aridus H. M. Hall 1912-6-22 9266 Plumas Willow Creek Sierra Nevada Mountains 1371 Comment
  CHSC52519  Lathyrus sulphureus L. P. Janeway 1990-6-6 3702 Plumas Plumas National Forest. Forested flat on N side of Long Valley ca 1/2 mi E of Rattlesnake Creek and ca 1/2 mi N of Hwy 70/89. Vicinity of Sloat. 1356 Comment
  RSA189388  Lathyrus sulphureus L. S. Rose 1967-6-12 67116 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  SEINET10487281  Lathyrus sulphureus Douglas G. LeDoux, Melvin L. Conrad; David B. Dunn 1973-6-5 LeDoux 1090 Plumas Collected 2.2 mi from jct of hwy 89 and 70. Douglas fir, libocedrus, and Quercus along hwy 89. Comment
  SEINET5327341  Lathyrus sulphureus A. A. Heller, P. B. Kennedy 1907-7-12 8826 Plumas Between Taylorville and crescent Mills Comment
  JEPS103323  Ledum glandulosum Lowell Ahart 2002-7-6 9841 Plumas On the S side of the dirt road and S of the large meadow, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  UC570086  Ledum glandulosum F. W. Embree 1934-6-6 63 Plumas Three Lakes 1889 Comment
  JEPS106328  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
  UC1101263  Lemna trisulca Malcolm A. Nobs, S. Galen Smith 1949-8-20 1475 Plumas 9 mi s of Milford Road (on road between Beckwith and Milford, Willow Creek); Willow Creek Comment
  JEPS113561  Lepidium campestre Lowell Ahart, John Dittes 2007-6-17 14161 Plumas High west bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee 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-BC88847  Lepidium campestre John Thomas Howell 1967-6-23 42689 Plumas Sierra Nevada. Butterfly Valley. 1066 Comment
  CAS-BOT-BC12827  Lepidium perfoliatum David D. Keck 1932-7-3 1663 Plumas Quincy, within a few meters of the main street. At two localities 0.5 mile apart. 1065 Comment
  CAS-BOT-BC60094  Lepidium virginicum var. menziesii Javier Penalosa 1962-6-19 2502 Plumas +-6.2 miles southeast of Quincy. 1097 Comment
  CHSC37027  Leptosiphon bolanderi M. S. Taylor 1982-5-4 4402 Plumas N side of Bucks Lake Rd, at its jct with Spanish Ranch Rd (25N17), ca. 1/2 mi ne of Meadow Valley. 1127 Comment
  CHSC76061  Leptosiphon ciliatus G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3252 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  POM147045  Leptosiphon harknessii Alice Eastwood 1927-06 14927 Plumas On road from Chilcott, United States Forest Reserve Comment
  SEINET10907266  Lesquerella occidentalis Mary Susan Taylor 1981-6-17 Taylor 3916 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Top of Mt Ingalls, ca. 7 air mi SE of Genesee. 8372 ft elev. 2552 Comment
  CAS-BOT-BC342082  Leucanthemum vulgare John Thomas Howell 1976-7-16 51885 Plumas Spanish Creek near mouth of Slate Creek 1066 Comment
  SEINET8480452  Leucocrinum montanum T. Ramelli 1948-5-16 38 Plumas 1 mile W of Vinton. 1524 Comment
  CAS-BOT-BC59609  Leucothoe davisiae Herbert L. Mason 1924-6-19 1073 Plumas Along margins of Bear Lake at base of Mt. Elwell. Comment
  UCD101589  Lewisia cantelovii Jack Major 1966-7-10 s.n. Plumas Feather River Canyon, just east of Tobin (on US Alternate 40). 609 Comment
  CAS-BOT-BC444170  Lewisia nevadensis Mrs. H. C. Cantelow 1939-5-19 4207 Plumas W. of Bucks Lake 10 1/2 mi. Comment
  CDA14580  Lewisia nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3062 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC21720  Lewisia nevadensis F. T. Griggs; A. Pass 1975-7-17 219 Plumas Buck's Lake. Comment
  CAS-BOT-BC444174  Lewisia nevadensis Anna Head 1921-6-13 s.n. Plumas Lake Independence, Feather River Region Comment
  SEINET10572728  Lewisia nevadensis Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4323 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CAS-BOT-BC444562  Lewisia triphylla John Thomas Howell 1960-7-22 35897 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC444567  Lewisia triphylla A. A. Heller 1915-7-7 12063 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CDA14581  Lewisia triphylla G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3064 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC41379  Lewisia triphylla Lowell Ahart 1986-7-8 5348 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1981 Comment
  CAS-BOT-BC444573  Lewisia triphylla Margaret Williams 1966-7-11 s.n. Plumas Luther Ridge above Jamison Creek 2286 Comment
  CAS-BOT-BC444575  Lewisia triphylla Gladys L. Smith 1976-6-7 4593 Plumas Central summit area of secondary road from Rte. 70 to La Porte 1950 Comment
  SEINET10572652  Lewisia triphylla Mary Susan Taylor 1981-5-8 Taylor 3654 Plumas T27N R9E sw/se sec 6 & nw/ne sec 7, Almanor NE quad. Open serpentine barrens, jct of Rds 26N18, 26N92, & 27N92, ca. 0.5 mi E of Long Valley Mine, ca. 4 air mi W of Greenville. 5300 ft. 1615 Comment
  CHSC62336  Ligusticum grayi B. Castro; R. Fallscheer, R, Zebell 1989-8-21 407 Plumas Ca 8 air mi S of Bucks Lake, ca 1 mi N of Hunter's Ravine. 1584 Comment
  CHSC65372  Ligusticum grayi Lowell Ahart 1995-8-13 7641 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile North-west of Pilot Peak. 1828 Comment
  JEPS101245  Ligusticum grayi Dean W. Taylor 2000-8-8 17558 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed) 1859 Comment
  SD61131  Lilium kelleyanum Darley F. Howe 1964-7-29 3890 Plumas Near Gold Lake Lodge, Plumas National Forest. 2012 Comment
  CAS-BOT-BC509326  Lilium kelleyanum Anna Head 1921-7-6 s.n. Plumas Lake Center Camp, Feather River Region Comment
  UC608832  Lilium pardalinum Beryl O. Schreiber 1938-7-9 2524 Plumas 1 mi s Meadow Valley; Plumas National Forest, Bidwell Bar Quad. 1066 Comment
  CHSC20743  Limosella acaulis K, R, Stern 1975-7-29 5882 Plumas NW shore of Lake Almanor. 1371 Comment
  SEINET10548869  Limosella acaulis Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5172 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
  CAS-BOT-BC246072  Limosella aquatica A. A. Heller; P. B. Kennedy 1907-7-2 8684 Plumas Between Vinton and Beckwith Comment
  CHSC59819  Limosella aquatica L. P. Janeway 1992-9-16 4312 Plumas Plumas National Forest. Sandy edge of Middle Fork Feather River 1.5 mi west of Beckwourth. 1481 Comment
  CAS-BOT-BC246068  Limosella aquatica John Thomas Howell 1926-7-24 2111 Plumas Strand of Lake Almanor near Prattville 1371 Comment
  UC908411  Linanthus ciliatus Milo S. Baker 1935-6-26 8090 Plumas near Cabin; Childs Meadows Comment
  UCSB29031  Linanthus ciliatus var. ciliatus C. Hardham 1961-6-17 7510 Plumas S OF SUSANVILLE 1676 Comment
  SEINET8729337 Image available Linanthus filipes Helen K. Sharsmith 1955-1 4520 Plumas East Branch of North Fork of Feather River, near Virgilia. Comment
  UC164544  Linanthus filipes H. M. Hall Jun 1912 Plumas near Alderson's; Yosemite National Park Comment
  CDA19243  Linanthus harknessii G. D. Barbe, T. C. Fuller 1982-6-17 3820 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  JEPS58438  Linanthus harknessii W. L. Jepson 1939-8-12 19405 Plumas Ferris Creek, branch of Last Chance Creek Last Chance Creek 1767 Comment
  CDA36810  Linaria dalmatica D. B. Joley 1976-6-9 1 Plumas Hwy 89, ca. 7 miles east of Canyon Dam. 0 Comment
  CHSC114368  Linaria dalmatica D. B. Joley 1976-6-9 1 Plumas Hwy 89, ca. 7 miles east of Canyon Dam. Comment
  JEPS12689  Linnaea borealis var. longiflora Duncan Dunning 1922-7-13 Plumas 4 mi nw Quincy (Snake Lake); , nw of Quincy Comment
  CHSC53202  Linum lewisii var. lewisii L. P. Janeway 1989-6-20 3362 Plumas Plumas National Forest. Beckwourth Ranger District. East-facing flank of Crocker Mtn. Small ridge behind small knob. 1965 Comment
  UCD14624  Linum lewisii var. lewisii Nathan Horn 1989-5-18 13 Plumas Plumas Co.; along the south side of Highway 70; 1487 Comment
  UC1135305  Lithocarpus densiflorus var. echinoides F. W. Embree 1934-6-21 112 Plumas above Storie (at Penstocks); Plumas National Forest, Bidwell Bar Quad. 1478 Comment
  RSA164336  Lithophragma brevilobum Clare B. Hardham 1961-6-16 7469 Plumas Diamond Peak. 2287 Comment
  CHSC57314  Lithophragma glabrum L. P. Janeway 1991-5-14 3965 Plumas Plumas National Forest. West side of Claireville Flat, 1/2 mi southeast of Hwy 70, ca 3/4 mi northwest of Middle Fork Feather River; ca 5 mi west-southwest of Portola. 1487 Comment
  CAS-BOT-BC435471  Lithophragma glabrum Mrs. Austin s.n. Plumas Unspecified Comment
  RSA101447  Lithophragma parviflorum R. Weatherby 1955-7-2 1592 Plumas Wilcox Valley. 1768 Comment
  CAS-BOT-BC428426  Lithophragma tenellum Rimo Bacigalupi 1927-7-11 1697 Plumas Grassy Lake Meadows near Bear Lake, Gold Lake Region 1889 Comment
  CHSC58041  Lithophragma tenellum Vernon H. Oswald 1992-6-1 4959 Plumas Lassen Volcanic National Park. Juniper Lake Rd., 0.3 mi N of the park boundary, beside a tributary of Brenner Creek. 1987 Comment
  SEINET10454498  Lomatium canbyi Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3882 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
  CHSC52510  Lomatium nudicaule L. P. Janeway 1990-6-7 3705 Plumas Plumas National Forest, Beckwourth Ranger District. Forested flat on N side of Long Calley ca 1/2 mi E of Rattlesnake Creek and ca 1/2 mi N of Hwy 70/89. Vicinity of Sloat. 1371 Comment
  JEPS113370  Lomatium plummerae Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13991 Plumas East side of an open rocky flat, 10 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  RSA455704  Lonicera involucrata Anstruther Davidson 1928-7-1 s.n. Plumas Feather River. Comment
  UCD169925  Lotus corniculatus Lowell Ahart; John Dittes 2009-7-14 16077 Plumas On the eastside 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. In the seed trade, known as Upright Bird's-foot Trefoil. 1607 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
  UC1129071  Lotus grandiflorus var. grandiflorus F. W. Embree 1934-6-6 70 Plumas s slope Bucks Mtn.; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  JEPS112921  Lotus incanus Dean W. Taylor 2001-6-22 17809 Plumas Forest Road 21N68Y about 1 mile east of the Yuba County line (ca. 1 air mile South of Poverty Hill (townsite) 1402 Comment
  JEPS115179  Lotus oblongifolius var. oblongifolius Lowell Ahart, John Dittes 2009-7-13 16046 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
  RSA755326  Lotus oblongifolius var. oblongifolius L. Ahart, John Dittes 2009-7-13 16046 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
  JEPS55724  Lotus oblongifolius var. oblongifolius W. L. Jepson 1924-7-22 10625 Plumas Dogwood Creek Middle Fork Feather River 1127 Comment
  RSA769812  Lotus purshianus var. purshianus L. Ahart 2008-9-10 15381 Plumas Sides of Onion Valley Creek, in northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9.5 air miles northeast of La Porte. 1917 Comment
  UC338275  Lupinus unknown May 1889 Plumas Mohawk Valley Comment
  UC82075  Lupinus Mrs. R. M. Austin 1875-1 Plumas near Quincy; near Quincy Comment
  CDA43218  Lupinus albicaulis P. Kenney, Conrad & LeDoux 1973-6-5 421 Plumas Along roadside Hwy. 89, 5 miles north of junction of Hwys. 70 & 89. 0 Comment
  RSA715532  Lupinus albicaulis var. albicaulis John Dittes 2005-6-23 1182 Plumas East edge of Indian Valley; ca. 2.7 air-miles east x northeast of Crescent Mills, ca. 2.5 air-miles north x northwest of Taylorsville, ca. 1.4 air-miles west of Keddie Point, near intersection of County Road 112 and County Road 206. Comment
  CHSC52416  Lupinus angustiflorus L. P. Janeway 1990-7-12 3793 A Plumas Plumas National Forest. Saddle along Eureka Ridge ca 1.0 mi south of the head of Bear Cr. 2118 Comment
  CHSC52425  Lupinus arbustus L. P. Janeway 1990-7-12 3794 B Plumas Plumas National Forest. Top of small peak along Eureka Ridge ca 0.8 mi south of the head of Bear Creek. 2148 Comment
  UC1482899  Lupinus arbustus LeDoux, Morris, Dunn 1973-6-5 1077 Plumas Collected on south side of Greenville. Comment
  UC384657  Lupinus arbustus E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 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
  SEINET10484741  Lupinus arbustus subsp. silvicola Charles Piper Smith 1921-7-19 Smith 3448 Plumas Mt hough trail Comment
  SJSU13920  Lupinus argenteus var. heteranthus N. A. Hopkins 1984-7-22 1357 Plumas S end Squaw Valley 1828 Comment
  CAS-BOT-BC208841  Lupinus argenteus var. meionanthus L. P. Janeway 1990-7-20 3808 Plumas Along Lake Davis Rd 1.4 mi NW of Hwy 70 and Portola. 1524 Comment
  CAS-BOT-BC196671  Lupinus breweri var. breweri Anna Head 1921-6-21 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  RSA121705  Lupinus caudatus E. Sawyer 1935-6-1 55 Plumas 1 mile northwest of Kerby. 1524 Comment
  CAS-BOT-BC215354  Lupinus dalesiae M. S. Taylor 1982-5-25 4527 Plumas 1 mile NE of Sloat, 2.6 miles W of Cromberg, W side of 509A, ca. 50 feet S of itsjct with Highway 70 1310 Comment
  CAS-BOT-BC215391  Lupinus dalesiae M. S. Taylor 1982-6-2 4595 Plumas S side of 23N11, 0.5 mile E of its junction with 23N48, ca. 5 air mile N of Mohawk 1676 Comment
  CAS-BOT-BC215406  Lupinus dalesiae Charles Piper Smith 1947-5-22 47339 Plumas Quincy Road, 3.9 miles E of Meadow Valley Comment
  CHSC36859  Lupinus dalesiae M. S. Taylor 1982-7-12 4818 Plumas Along Eureka Peak Rd, ca. 1.5 mi s of McRae Meadows turnoff, ca. 6 air mi w of Mohawk. 2164 Comment
  UCD107625  Lupinus dalesiae L. P. Janeway 1990-6-8 3706 Plumas Plumas National Forest, Beckwourth Ranger District. Little Long Valley; along rd 23N12 ca. 0.6 of jct with rd 23N51. 1722 Comment
  CAS-BOT-BC215409  Lupinus dalesiae John Thomas Howell; Gordon H. True 1968-6-10 44559 Plumas Just N of Garner Park, Quincy 1036 Comment
  SEINET10452054  Lupinus dalesiae Mary Susan Taylor 1982-7-12 Taylor 4814 Plumas T22N R11E sw/sw sec 4 & ne/se sec 5. Blue Nose Mt quad. Along Eureka Ridge Rd (23N09), 0.9 mi nw of its jct with McRae Meadows Rd, ca. 6 air mi w of Mohawk. Mixed Conif Forest; 6800 ft. 2072 Comment
  SEINET10485185  Lupinus dalesiae L. Hanson 1983-6-7 Hanson 196 Plumas On dirt rd e of hassack off of hwy 70, s of quincy. Found in mixed conifer Forest with castilleja spp., Lotus spp, and phlox spp. Comment
  SEINET10485189  Lupinus dalesiae Mary Susan Taylor 1982-7-12 Taylor 4809 Plumas T22n r11e nw1/4se1/4 sec 10. Johnsville quad. Cobbly slope on s side of 23N09, near headwaters of bear creek, ca 5 air mi. W of mohawk. Mixed Evergreen forest. With pedicularis semibarbata, pteridium aquilinum. 1890 Comment
  SEINET10973213  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4678 Plumas T24N R10E nw/sw sec 33. Spring Garden quad. Mixed Evergreen Forest; on rdcut, n side of 24N26, 0.5 mi w of its jct with Quincy-LaPorte Rd, ca. 3 mi se of Quincy. 4500 ft. 1372 Comment
  SEINET8042175  Lupinus formosus A. A. Heller, P. B. Kennedy 1907-7-16 8862 Plumas Genessee valley near Genessee Comment
  SBBG69390  Lupinus grayi R. M. Austin -Apr-1877 Plumas American Valley Comment
  SEINET8042237  Lupinus grayi A. A. Heller, P. B. Kennedy 1907-7-13 8832 Plumas Between Taylorville and Little Grizzly Creek Comment
  SEINET10973162  Lupinus latifolius subsp. longipes Mary Susan Taylor 1982-7-12 Taylor 4824 Plumas T22N R11E sw/se sec 27. Sierra City NW quad. At jct of small creek to Jamison Cr, on n side of Rd 507, just w of Plumas-Eureka State Park boundary, 2.0 mi sw of Johnsville. 5800 ft. 1768 Comment
  CHSC117792  Lupinus lepidus var. confertus B. Castro; Members of Plumas CRM reveg committee 2007-6-26 1652 Plumas Northern High Sierra Nevada. Plumas National Forest. Jordan Flat, on flood plain at confluence of Jordan Creek with Last Chance Creek. Ca 8.5 air mi SE of Milford, 4.8 mi SW of Hwy 395 and 10 mi NW of Doyle. 1773 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
  CHSC80831  Lupinus lepidus var. confertus Lowell Ahart; Vernon H. Oswald 2001-7-11 8886 Plumas On the south side of Highway 89, west of the spillway on the dam at Lake Almanor. 1374 Comment
  UC149926  Lupinus lepidus var. confertus Katharine Brandegee July 1911 Plumas Portola Comment
  UC566148  Lupinus lepidus var. sellulus E. Sawyer 1935-6-21 132 Plumas 4 1/2 mi nne Crow; Plumas National Forest, Sierraville Quad. Comment
  SEINET12163676  Lupinus lyallii W. Knight, Knight, I. 1983-1 4919 Plumas betw Chester and Drakesbad 1524 Comment
  RSA0076010  Lupinus onustus Daisie Huang 2006-8-11 06081108 Plumas Forest Rd. 18N38, 4.9 ENE of its jct with Old Haun Rd. 1744 Comment
  CAS-BOT-BC323949  Lupinus polyphyllus subsp. superbus M. S. Taylor 1982-7-14 4832 Plumas Near jct of 27N92 and 26N18 in Long Valley around creek, ca 4 air mi W of Greenville. 1676 Comment
  SEINET10484151  Lupinus polyphyllus subsp. superbus Mary Susan Taylor 1982-7-14 Taylor 4832 Plumas T26N R9E ne/sw sec 7. Almanor SE quad. Near jct of 27N92 & 26N18, in Long Valley around creek, ca. 4 mi w of Greenville. Montane Meadow, edge of Mixed Coniferous Forest; 5500 ft. 1676 Comment
  SEINET10490189  Lupinus polyphyllus subsp. superbus Taylor 1982-7-14 Taylor 4832 Plumas Almanor ne quad. Corolla deep blue. Near jct. Of 27n92 and 26n18 in long Valley around creek, ca 4 air mi w of greenville. With penstemon oreocharis, Achillea lanulosa. T.26n, r.9e, sec.7, ne 1/4 of sw 1/4. 1676 Comment
  UC1129726  Lupinus polyphyllus var. burkei E. Sawyer 1935-6-27 169 Plumas 3 1/2 mi n Hawks; Plumas National Forest, Sierraville Quad. Comment
  CAS-BOT-BC323946  Lupinus sellulus var. artulus M. S. Taylor 1982-6-12 4638 Plumas S side of Hwy 36, W side of Lake Almanor, ca 0.5 mi E of Chester. 1371 Comment
  CHSC108043  Luzula cascadensis L. P. Janeway; B. Castro 2011-10-2 10756 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5-10 m above high water line. 1542 Comment
  CHSC66651  Luzula cascadensis Vernon H. Oswald; Lowell Ahart 1996-7-15 8053 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. Meadow. 1371 Comment
  CAS-BOT-BC436594  Luzula cascadensis Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Clear Creek 1524 Comment
  CDA33220  Luzula comosa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3158 Plumas Long Valley, 0.4 mile south of junction of Dixie Canyon-Round Valley and Canyon Dam Roads, at Maxwell Mine Road. Comment
  CDA33221  Luzula comosa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3076 Plumas Headwaters of the South Fork of the Feather River, 10.6 miles northeast of LaPorte on LaPorte-Quincy Road, 8.3 miles northeast of junction with Little Grass Valley Reservoir Road. Comment
  CHSC110448  Luzula comosa var. laxa L. P. Janeway 2013-7-15 11183 Plumas Northern High Sierra Nevada. Plumas National Forest: south side of Tamarack Flat close to Road 22N04. 1713 Comment
  CHSC52712  Luzula divaricata L. P. Janeway 1984-9-1 1101 Plumas Lakes Basin Recreation Area; north-facing slope above Round Lake. 2133 Comment
  CHSC97295  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
  UC335479  Luzula spicata unknown Aug 1874 Plumas Comment
  CHSC94661  Lythrum portula Lowell Ahart 2006-10-8 13416 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  SEINET10465413  Machaerocarpus californicus Mary Susan Taylor 1982-6-28 Taylor 4779 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
  CAS-BOT-BC342646  Madia citrigracilis V. Oswald; L. Ahart 1988-8-4 3675 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park 1676 Comment
  SEINET11601351 Image available Madia elegans A. A. Heller, P. B. Kennedy 1907-7-13 s.n. Plumas Taylorsville. Comment
  UC89387  Madia elegans Mrs. R. M. Austin 1882-7-22 123 Plumas Big Meadows Comment
  UC2016528  Madia elegans subsp. elegans Richard Olmstead 1983-7-1 410 Plumas Along Highway 70 ca. 1 miles northwest of Blairsden on road margin along Ponderosa pine forest. Comment
  CHSC101856  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
  JEPS32706  Madia exigua Lewis S. Rose 1963-6-5 63138 Plumas 0.5 mi Rich Bar; North Fork of Feather River, East Branch 822 Comment
  CAS-BOT-BC342866  Madia glomerata John Thomas Howell 1960-7-18 35601 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC342869  Madia glomerata John Thomas Howell 1959-9-24 34965 Plumas Sierra Valley near Beckworth 1478 Comment
  SEINET10474808  Madia glomerata Mary Susan Taylor 1982-8-9 Taylor 4958 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
  UC501403  Madia glomerata David D. Keck 1932-7-6 1715 Plumas halfway between Prattville and Chester 1340 Comment
  RSA189378  Madia gracilis L. S. Rose 1967-7-12 67170 Plumas Quincy 1037 Comment
  CAS-BOT-BC343248  Madia gracilis John Thomas Howell 1951-6-29 27744 Plumas Near Spring Garden 1219 Comment
  UCD132827  Madia gracilis E. W. Jameson 1949-6-17 s.n. Plumas 6 miles north of Keddie. 1371 Comment
  CAS-BOT-BC512877  Maianthemum stellatum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1515 Plumas North end of Pond Reservoir 1097 Comment
  RSA14301  Marah fabacea Mrs. R. M. Austin 1879-1 s.n. Plumas Big Meadow Comment
  CAS-BOT-BC348169  Matricaria discoidea Greg Sommers 1976-7-8 162 Plumas Sierra Valley, along Marble Lane 1487 Comment
  CHSC60184  Medicago lupulina L. P. Janeway 1992-7-8 4250 Plumas Plumas National Forest. Little-used pasture flat between Middle Fork Feather River and Mohawk Ranger Station, just west of Bonta Creek. 1319 Comment
  CHSC101932  Melica aristata Lowell Ahart; John Dittes 2009-7-14 16064 Plumas On dry soil, on the north 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
  RSA71304  Melica aristata L. S. Rose 1951-6-27 51023 Plumas Johnsville. 1601 Comment
  UCD87283  Melica fugax August L. Hormay 10 Jun n/a s.n. Plumas Long Canyon, Plumas National Forest. 1798 Comment
  SEINET10869103  Melica fugax Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4319 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CAS-BOT-BC281295  Melica harfordii John Thomas Howell 1967-6-23 42737 Plumas Lewisia Rock 3.5 miles SW of Belden, Feather RIver Canyon 609 Comment
  CHSC101916  Melica harfordii Lowell Ahart; John Dittes 2009-7-14 16075 Plumas East of Forest Service Road 26N22, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1536 Comment
  UCD23590  Melica harfordii John Thomas Howell 1967-6-23 42737 Plumas Lewisia Rock' 3.5 miles SW of Belden, Feather River Canyon. 609 Comment
  CHSC100039  Melica subulata Lowell Ahart 2008-7-16 15071 Plumas 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
  CHSC58208  Melica subulata Vernon H. Oswald; Lowell Ahart 1992-6-22 5015 Plumas Lassen Volcanic National Park. Service road between the S park boundary and Terminal Geyser, ca. 0.3 mi E of Little Willow Lake. Along the edge of the road. 1767 Comment
  RSA795731  Mentha arvensis L. Ahart, John Dittes, Josephine Guardino 2009-7-21 16121 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 air miles southwest of Lake Almanor. 1303 Comment
  CHSC59917  Mentha spicata L. P. Janeway 1990-7-23 4274 Plumas Plumas National Forest. Gravel bar on north side of Middle Fork Feather River near the mouth of Bonta Creek; behind Mohawk Ranger Station. 1315 Comment
  RSA52915  Mentha spicata R. Weatherby 1950-7-21 1475 Plumas East Quincy. 1037 Comment
  CAS-BOT-BC223706  Mentzelia Clare B. Hardham 1975-8-2 20478 Plumas Black Mt. 2133 Comment
  CHSC101846  Mentzelia dispersa Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15876 Plumas About 1600 feet southwest of Lake Almanor Dam. 1386 Comment
  UC1094007  Mentzelia montana Lewis S. Rose 1955-7-19 55139 Plumas Beckworth 1493 Comment
  CDA11848  Menyanthes trifoliata G. F. Hrusa, E. Sandoval 1993-5-3 11136 Plumas Snake Lake Vicinity; Snake Lake. 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
  SEINET12326109  Menyanthes trifoliata W. Knight, Knight, I. 1983-1 4927 Plumas On road between Chester and Drakesbad. Yellow Pine Forest Plant Community. Warner Valley 1570 Comment
  CDA13422  Mertensia ciliata var. stomatechoides G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13270 Plumas Sierra Nevada; Slopes above Bull Run Creek off USFS 23N12E. Comment
  CAS-BOT-BC429029  Micranthes nidifica Anna Head 1920-7-12 s.n. Plumas Frazier Falls, Gold Lake. Feather River Region Comment
  CAS-BOT-BC429237  Micranthes oregana Milo S. Baker 1926-8-28 314 b-'26 Plumas Drakesbad Comment
  SEINET10938127  Microseris Mary Susan Taylor 1981-9-14 Taylor 4275 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
  CDA18689  Microseris nutans G. D. Barbe, T. C. Fuller 1982-6-15 3696 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
  CHSC39372  Microseris nutans L. Ahart; P. Ahart 1983-8-17 4326 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  CAS-BOT-BC349337  Microseris nutans John Thomas Howell 1960-7-19 35680 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  RSA505407  Microseris nutans R. C. Bacigalupi, Howard Whisler 1957-7-25 6034 Plumas Along Buck's Lake road, 1 mile west of Deadwood (Bucks) Summit, about 1 3/4 miles east of southeastern end of Bucks Lake 1646 Comment
  RSA0117087  Microsteris gracilis L. P. Janeway, Robin Carter 2015-7-9 11799 Plumas Northern High Sierra Nevada. Lower Thompson Valley, 0.6 km north of Red Clover Creek. 1669 Comment
  POM147038  Mimulus bicolor Alice Eastwood 1927-06 14625 Plumas On trail to Long Valley. United States Forest Reserve. Comment
  UC1612408  Mimulus bifidus Plumas Origin: U.S.A., California. Plumas Co.: near Storie Comment
  SEINET10570219  Mimulus densus Mary Susan Taylor 1981-7-27 Taylor 4140 Plumas T25N R11E NW 1/4 sec 12. Genesse Valley quad. On granite embankment E side of 25N42 Flournoy Grade, 1.3 mi S of Flour- noy Bridge, ca. 3 mi E of Genesse. 4400 ft. 1341 Comment
  CDA14669  Mimulus guttatus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3109 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CDA19256  Mimulus guttatus G. D. Barbe, T. C. Fuller 1982-6-17 3856 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  UC933920  Mimulus guttatus E. K. Balls 1950-8-31 15556 Plumas just n Quincy (off Hwy. 24); Spnish Creek 1066 Comment
  JEPS81624  Mimulus moniliformis M. S. Taylor 1982-8-10 4952 Plumas ca. 2 air mi se Canyon Dam (end of spur road off Seneca Rd. (306) at creek); Almanor NE quad., Salmon Creek 1524 Comment
  CHSC21707  Mimulus moschatus F. T. Griggs; A. Pass 1975-7-3 63 Plumas North of Grizzly Fore Bay. Comment
  SEINET12249487  Mimulus moschatus K. R. Stern 1975-1 5880 Plumas SW shore Lake Almanor 1372 Comment
  RSA523819  Mimulus nanus var. mephiticus S. Galen Smith 1958-7-25 s.n. Plumas Along Feather River Highway (Alt. US 40), 2.2 mi e. of bridge over the North Fork of the Feather River and the junction of the road to Caribou, near Rich Bar. 777 Comment
  JEPS98998  Mimulus pilosus Lowell Ahart 2001-10-8 9303 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) NE of Quincy. 1522 Comment
  RSA169427  Mimulus primuloides L. S. Rose 1963-6-3 63118 Plumas Butterfly Valley, 2 miles SW of Keddie. 1189 Comment
  RSA60240  Mimulus primuloides var. pilosellus E. K. Balls 1950-9-2 15632 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley 2256 Comment
  JEPS30974  Mimulus pulsiferae D. E. Breedlove 1962-6-12 3430 Plumas 6.9 mi w Chester (along State Highway 36); Sierra Nevada 1524 Comment
  UC125296  Mimulus pulsiferae Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC11026  Mimulus suksdorfii John Thomas Howell 1962-6-19 37870 Plumas Sandy Flat, 5,8 miles E of Beckwourth 1493 Comment
  CAS-BOT-BC432983  Mitella breweri Anna Head 1921-7-11 s.n. Plumas Indian Peak, Feather River Region 2103 Comment
  CAS-BOT-BC432985  Mitella breweri Rimo Bacigalupi 1927-7-10 1685 Plumas About 1/4 mile below outlet of Long Lake along Gray Eagle Creek 1828 Comment
  CDA11852  Moehringia macrophylla G. F. Hrusa, E. Sandoval 1993-5-3 11140 Plumas Snake Lake Vicinity; Woods surrounding Snake Lake. Comment
  UCSC008316  Monardella follettii Brett Smith 2011-7-31 BAS 011 Plumas 170 m due E of FS road 24N29 and 450m SSE of Meadow filled with Leopard Lillies 1170 Comment
  SEINET10582328  Monardella follettii A. Graff 1993-7-22 Graff 313 Plumas Plumas National Forest. Meadow Valley Rd. south, .4 mile from Union Pacific RR crossing, on left road cut. T25N,R8E,S20. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Comment
  SEINET10582330  Monardella follettii A. Graff 1993-7-22 Graff 315 Plumas Plumas National Forest. Meadow Valley Rd. south, .4 mile from Union Pacific RR crossing, on left road cut. T25N,R8E,S20. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Comment
  CHSC21202  Monardella odoratissima F. T. Griggs; A. Pass 1975-7-17 207 Plumas Buck's Lake Forest Service Survey. Comment
  RSA35104  Monardella odoratissima Thomas H. Kearney 1944-8-14 127 Plumas Near Prattville, Lake Almanor. Comment
  SEINET3376388  Monardella odoratissima C. Lumer, S. Yost 2006-7-29 2453 Plumas Route 70, traveling west from Quincy along the Feather River. 670 Comment
  CAS-BOT-BC318564  Monardella odoratissima subsp. pallida A. A. Heller; P. B. Kennedy 1907-7-9 8774 Plumas Prattville Comment
  CHSC117559  Monardella odoratissima subsp. pallida Lowell Ahart 2016-7-9 21087 Plumas Top and on the northeast side Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  UCR280841  Monardella odoratissima subsp. pallida Lowell Ahart 2014-8-24 19741 Plumas South Fork of the Feather River, Little Grass Valley Reservoir, c. 200 yards southwest of the parking lot to the Pacific Crest Trail, c. 0.25 mile southwest of the bridge across the South Fork of the Feather River, c. 4 air miles north of La Porte 1534 Comment
  RSA523953  Monardella odoratissima subsp. pallida Barbara Ertter 1988-7-25 7860 Plumas Diamond Mts ca 15 air miles due S of Susanville, sheep camp on Pierce Creek 1982 Comment
  RSA59488  Monardella odoratissima subsp. pallida E. K. Balls 1950-9-15 15861 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  CAS-BOT-BC220481  Monardella sheltonii John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2371 Plumas In canyon of Butterfly Creek between Spanish Creek and Butterfly Valley Comment
  CHSC61749  Monardella sheltonii L. P. Janeway 1993-7-28 4474 Plumas Plumas National Forest. Top of ridge on southwest side of South Branch Ward Creek. Along access road 3.4 mi southeast of Genesee Valley. 1584 Comment
  CHSC70266  Monardella sheltonii B. Castro 1989-8-4 343 Plumas Ca 3.5 air mi S of Bucks Lake, on N-facing flank of Mt. Ararat, near jct USFS Rds 23N19, 23N55, and the road to the top of Mt. Ararat. 1737 Comment
  SEINET10582341  Monardella sheltonii A. Graff 1993-7-22 Graff 298 Plumas Plumas National Forest. Hwy. 70 west, just past the railroad tressle after Keddie (just past Graff collections 259-297), on the west-facing road cut. T25N,R9E,S15. Growing on gravelly, reddish shale, the cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp. Comment
  SEINET10582352  Monardella sheltonii A. Graff 1993-7-21 Graff 280 Plumas Plumas National Forest. Hwy. 70, .3 miles northwest of its junction with USNFS Rd. 23N06 (just past Mohawk), on the northeast side of the road. T22N,R12E,S5. Growing in sandy clay with Pinus jeffreyi and scrub. Mid-bloom. Bombus sp. Comment
  SEINET10582367  Monardella sheltonii A. Graff 1993-7-22 Graff 328 Plumas Plumas National Forest. 1.2 miles north on Caribou Rd. (USNFS Rd. 27N26) from wooden bridge just past USNFS Queen Lily Campground, on left roadside. T25N,R8E,S4. Locally infrequent on a rocky, iron-rich serpentine slope, with occasional Pinus ponderosa, Quercus sp., Salix sp. Comment
  CAS-BOT-BC7366  Monardella stebbinsii Clare Butterworth Hardham 1968-7-15 15680 Plumas Belden--Caribou Rd., about 1 mile N of Queen Lily Camp Ground. North Fork of Feather River. 853 Comment
  SEINET12334047  Monardella villosa subsp. sheltonii L. P. Janeway 1989-1 3398 Plumas Spring Garden quad T24N R10E NE? of sec22;Low W-facing roadcut along hwy 70/89, SE of Quincy, 0.9mi* 1097 Comment
  UC1362560  Monardella villosa subsp. villosa W. I. Follett 1936-6-29 Plumas 1 mi west Virgilia Comment
  CHSC110296  Montia chamissoi B. Castro; L. P. Janeway 2006-6-3 1550 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley, 1 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1670 Comment
  CHSC60552  Montia linearis L. P. Janeway 1992-5-14 4176 Plumas Plumas National Forest. Beckwourth Ranger District. Westside Compartment. North side of Big Grizzly Creek at nortwest end of Lake Davis. 1764 Comment
  CHSC91695  Montia linearis G. D. Barbe; T. C. Fuller 1982-6-17 3847 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
  CAS-BOT-BC445102  Montia linearis H. L. Mason 1924-6-18 1052 Plumas North of Graeagle Comment
  CHSC54506  Muhlenbergia andina Vernon H. Oswald; Lowell Ahart 1991-7-30 4797 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. Within the fence enclosure at the springs. 1310 Comment
  RSA59684  Muhlenbergia andina E. K. Balls 1950-9-9 15756 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 Comment
  CAS-BOT-BC260649  Muhlenbergia filiformis Walter Knight; Irja Knight 1966-9-12 1700 Plumas Butterfly Botanical Area and Vicinity. Pond Reservoir 1097 Comment
  CAS-BOT-BC267003  Muhlenbergia filiformis John Thomas Howell 1959-9-21 34819 Plumas Indian Creek 914 Comment
  CAS-BOT-BC267005  Muhlenbergia filiformis John Thomas Howell 1959-9-22 34846 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC267008  Muhlenbergia filiformis Clare B. Hardham 1970-8-9 17716 Z Plumas Road to Thompson Peak Lookout 2133 Comment
  CHSC75957  Muhlenbergia filiformis G. F. Hrusa 1996-8-2 13432 Plumas Sierra Nevada. Slope at SW base of ridge between Argentine Rock and Taylor Rocks, 1 mi. NW of Argentine Rock. Old roadbed; trib. of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1900 Comment
  RSA201348  Muhlenbergia filiformis J. T. Howell 1960-9-22 34846 Plumas Drakesbad. 1738 Comment
  CAS-BOT-BC275034  Muhlenbergia richardsonis John Thomas Howell 1955-7-20 30870 Plumas Mohawk 1371 Comment
  UC501396  Myosotis scorpioides David D. Keck Jul 3 1932-Jul 5 1932 1695 Plumas just w. of town Quincy; Northern Sierra Nevada, Quincy 1065 Comment
  UC725291  Myosotis scorpioides A. A. Heller 1938-7-2 15241 Plumas 3 mi. e. Quincy Comment
  UC1112280  Myosurus apetalus Herbert L. Mason 1952-7-17 14382 Plumas just s Beckwourth (along Western Pacific tracks); Sierra Nevada 1524 Comment
  UCD102566  Myriophyllum verticillatum W. B. McHenry 1963-7-1 s.n. Plumas Grizzly Pond, Bucks Lake. Comment
  UC1965872  Myriopteris covillei J. G. Lemmon July, 1876 Plumas Taylorsville, Indian Valley Comment
  SD9586  Myriopteris gracillima Mrs. R. M. Austin 1877-1 Plumas Comment
  SD9589  Myriopteris gracillima Mrs. R. M. Austin Nov 1877 Plumas Quincy Comment
  CHSC56547  Nama lobbii L. P. Janeway 1984-7-15 923 Plumas Along dirt road on south side of Frenchman Hill; ca 3 mi west-southwest of Bucks Lake. 1737 Comment
  UC1523756  Nama lobbii Gary Schoolcraft 1982-8-3 846 Plumas along logging rd. Brush Hill 1828 Comment
  CAS-BOT-BC515770  Narthecium californicum Rimo Bacigalupi 1927-7-10 1690 Plumas Meadow about 1/4 mile below outlet of Long Lake along Grey Eagle Creek. 1828 Comment
  CAS-BOT-BC515774  Narthecium californicum Paul F. Covel 1937-7-20 716 Plumas 6 miles north Quincy Comment
  RSA101468  Navarretia breweri R. Weatherby 1955-7-2 1571 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  CHSC54409  Navarretia capillaris Vernon H. Oswald 1991-7-8 4701 .1 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, at its crossing of the stream coming from Terminal Geyser, near the south boundary of the park. On the creek bank. 1676 Comment
  CHSC60127  Navarretia divaricata subsp. divaricata L. P. Janeway 1992-7-10 4255 Plumas Plumas National Forest. About 0.5 mi northeast of top of Grizzly Ridge, between Joseph Creek and Oliver Creek. Along temporary logging spur road. 2072 Comment
  JEPS108738  Navarretia intertexta subsp. intertexta Lowell Ahart 2006-7-9 12927 Plumas Near a 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
  JEPS125763  Navarretia intertexta subsp. intertexta William Harnach 2013-5-18 1353 Plumas 0.25 miles East of Co. Rd A-23 on Marble Lane, South of Beckwourth. Comment
  CHSC97607  Navarretia intertexta subsp. propinqua Lowell Ahart; John Dittes 2007-6-16 14131 Plumas Graded road gutter, east of the 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
  SJSU13884  Navarretia intertexta subsp. propinqua N. A. Hopkins 1986-7-15 1362 Plumas Squaw Valley Comment
  RSA83058  Navarretia leptalea Verne Grant, Alva Grant 1948-7-11 s.n. Plumas Lava Cap, southwestern Plumas County Comment
  SBBG32371  Navarretia leptalea L. S. Rose 1967-7-11 67159 Plumas Mt Hough Rd, 9.5 mi NE of Quincy Junction 1249 Comment
  CHSC94175  Navarretia leptalea subsp. leptalea Lowell Ahart 2006-7-9 12935 Plumas Near a very 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
  JEPS48503  Navarretia leptalea subsp. leptalea Esther C. Fritz Aug. 1933 Plumas Spanish Peak 2133 Comment
  POM75519  Navarretia leucocephala subsp. leucocephala Marcus E. Jones 1897-7-5 10110 Plumas Prattville. 1372 Comment
  CHSC41966  Navarretia sinistra Lowell Ahart 1986-7-8 5359 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1950 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
  SD58284  Nemophila parviflora var. austiniae W. J. Follett 1936-5-10 49 Plumas Rich gulch 1173 Comment
  CHSC110597  Nemophila pedunculata B. Castro 2006-6-9 1573 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
  CDA14770  Nemophila spatulata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3360 Plumas SE of Bucks Lake Road and Bucks Creek, 0.3 mile southwest of Bucks summit on Bucks Lake Road. 1645 Comment
  JEPS112759  Nicotiana attenuata Dean W. Taylor 2001-10-13 17923 Plumas Frenchman Lake Road ca. 1 mile below (South) of the dam 1767 Comment
  RSA0013789  Nuphar lutea subsp. polysepala R. F. Thorne, C. W. Tilforth 1969-9-6 39228 Plumas Feather River, 1 mi. SW of Beckwourth. 1357 Comment
  HSC16426  Oenothera cespitosa W. R. Rogers 1966-6-21 241 Plumas 2 mi. N of Chilcoot 1524 Comment
  CHSC20852  Oenothera elata subsp. hirsutissima K. R. Stern 1975-7-24 5808 Plumas E side of Lake Almanor. 1371 Comment
  JEPS125722  Onopordum acanthium subsp. acanthium William Harnach 2015-8-6 1439 Plumas 4.85 miles West of Vinton on Highway 70. Comment
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May 9 2017
  CAS-BOT-BC499823  Orobanche corymbosa subsp. corymbosa Rimo Bacigalupi 1923-6-14 s.n. Plumas On grade between Johnsville & Gibsonville above Nelson Creek 1920 Comment
  SBBG68722  Orobanche fasciculata E. Rockwell -Jun-1925 723 Plumas Beckwourth 1371 Comment
  SEINET10902587  Orobanche uniflora subsp. occidentalis Mary Susan Taylor 1982-5-13 Taylor 4440 Plumas T24N R8E sw/nw sec 13. Bucks Lake NE quad. Ca. 500 yds s of Spanish Creek- Bucks Lake Rd at its jct with 24N29, ca. 0.5 mi w of Meadow Valley. Serpentine slope, 3800 ft. 1158 Comment
  SEINET10873880  Orogenia fusiformis Mary Susan Taylor 1982-6-1 Taylor 4581 Plumas T27N R8E sw sec 36. Almanor NE quad. Between spur rd & 27n92, nw of Gold- stripe Mine, ca. 4 air mi w of Green- ville. 5300 ft. 1615 Comment
  JEPS123952  Orthilia secunda Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20421 Plumas On the south side of Blue Lake, 2,710 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. Comment
  CHSC63478  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart 1994-7-20 7485 Plumas Label also says: Sierra County. On both sides of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  CDA13995  Osmorhiza occidentalis G. F. Hrusa, T. D. Wilfred 1996-8-1 13454 Plumas Sierra Nevada; about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CAS-BOT-BC316894  Packera eurycephala var. lewisrosei John Thomas Howell 1973-7-9 49701 Plumas near Rich Bar 762 Comment
  UC1586459  Packera pauciflora Vernon H. Oswald and Lowell Ahart 1991-7-30 4788 Plumas Big Springs on the w side Humbug Valley (ca 6 mi (air) ene of Humbug Summit, ca 12 mi (air) s of Chester); Big Springs on w side Humbug Valley 1310 Comment
  CAS-BOT-BC317172  Packera subnuda var. subnuda John Thomas Howell; Gordon H. True; W. Knight; Irja Knight 1968-6-11 2392 Plumas In wet area on east side of Butterfly Valley Comment
  CAS-BOT-BC121011  Paeonia brownii Elmer Ivan Applegate 1921-6-21 5806 Plumas Warner Valley near Drakesbad. Comment
  RSA748619  Paeonia brownii James R. Shevock 1985-5-19 11159 Plumas Plumas National Forest, along forest road 26N70 just south of Crocker Station. 1800 Comment
  RSA286273  Panicum acuminatum var. acuminatum R. F. Thorne 1974-7-30 44994 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  UCD88586  Panicum acuminatum var. fasciculatum R. Tofsrud 1948-7-1 s.n. Plumas 1 mile N. of Quincy. Comment
  CAS-BOT-BC253742  Panicum capillare John Thomas Howell 1959-9-26 35052 Plumas Near Keddie 1005 Comment
  CAS-BOT-BC253747  Panicum capillare C. R. Quick 1952-9-5 52 -295 Plumas NW of Almanor Comment
  CHSC113836  Panicum capillare Lowell Ahart 2014-9-9 19844 Plumas Below the high water line, on the sides of Sly Creek, Sky Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  JEPS115124  Panicum capillare Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16220 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  SD87885  Panicum thermale Frank W. Pierson 1926-6-22 6809 Plumas Drakesbad, Lassen National Park, on shores of Boiling Lake Comment
  CHSC57315  Parnassia palustris L. P. Janeway 1984-9-1 1137 Plumas On Sierra crest, near drainage channel draining northwest (towards Jamison Lake). In soggy meadow bordering a small pond. 2164 Comment
  SD8413  Parnassia palustris Mrs. R. M. Austin 1879-1 Plumas Mt. Dyer, Big Meadows Comment
  CAS-BOT-BC175577  Parnassia palustris Lowell Ahart 1981-7-21 2950 Plumas Near Dixon Creek, north of Pilot Peak 1600 Comment
  CAS-BOT-BC175583  Parnassia palustris E. K. Balls 1950-9-10 15778 Plumas Trail, 2 mi. from camp, from Lakes Center Public Camp to Long Lake outlet, southern Plumas County 2011 Comment
  CHSC43751  Pectiantia breweri Vernon Oswald 1984-6-25 1323 Plumas La Porte-Quincy Rd., ca. 9.7 mi n-e of La Porte. 1889 Comment
  CHSC66769  Pectiantia breweri Vernon H. Oswald; Lowell Ahart 1996-8-14 8153 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 3.1 mi N of the road to Johnsville, 1.0 mi S of the South Fork of the Feather River. 1920 Comment
  CHSC2455  Pectiantia pentandra R. Carter 1965-7-2 285 Plumas Green Island L., on E shore of lake where stream empties into lake, growing wet meadow beside stream. 1828 Comment
  RSA0091375  Pedicularis densiflora Bonnie C. Templeton 1968-1 11293 Plumas [Possibly Trinity County.] [No locality data on label.] Comment
  RSA14379  Pedicularis groenlandica Elmer I. Applegate 1929-6-20 5760 Plumas Between Camp Kelly and Drakesbad, Warner Valley, Mt Lassen region. Comment
  CHSC34262  Pedicularis racemosa subsp. alba M. S. Taylor 1981-9-10 4272 A Plumas Head of Bullfrog Ravine near Springs, ca. 3 mi w of Indian Falls. 1737 Comment
  CHSC56599  Pedicularis semibarbata L. P. Janeway 1984-7-22 928 Plumas Summit above Lookout Rock; 1 1/2 mi northeast of Mt. Ararat. 1815 Comment
  UC1599356  Pedicularis semibarbata H. E. Brown Aug 15 1897-Aug 31 1897 649 Plumas near Lassen Buttes 1828 Comment
  UCD123303  Pedicularis semibarbata W. R. Powell 1968-7-2 1597 Plumas along road around southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  CHSC46031  Pellaea brachyptera Lowell Ahart 1981-6-25 2882 Plumas About 1 mile north of Nelson Creek, about 16 miles north-east of La Porte. 1554 Comment
  CHSC69695  Pellaea brachyptera Vernon Oswald; Lowell Ahart 1997-9-18 8873 Plumas Ca. 4 air mi west of Caribow on Forest Rd. 26N25 (to Mosquito Creek), 2.3 mi northeast of its junction with 26N26 (to Humbug Valley). 1383 Comment
  CAS-BOT-BC69352  Pellaea brachyptera W. I. Follett 1929-5-30 s.n. Plumas Rush Creek Hill Comment
  UC1874919  Pellaea brachyptera Ruth Kirkpatrick 2002-7-18 1136 Plumas Plumas-Eureka State Park, ca. 1.5 mi up Johnsville - McCrea Road (County Road 507) from Plumas - Eureka State Park Museum 1676 Comment
  CHSC59875  Pellaea breweri L. P. Janeway; Laurie Lamm 1992-7-21 4270 Plumas Plumas National Forest. About 1.7 mi east-southeast of Dotta Neck, ca 1.7 mi northwest of Reconnaissance Peak. Above end of Road 24N91Y. 2103 Comment
  CAS-BOT-BC67610  Pellaea bridgesii M. S. Taylor; H. Swanson 1982-8-11 4969 Plumas Sierra City NW quad.- along N side of Jamison Creek Rd. (507), on cliffs, ca. 1 mi. W of Plumas-Eureka State Park, 1798 Comment
  UC1562398  Pellaea bridgesii Lowell Ahart 1990-7-16 6568 Plumas ca. 3 1/2 mi ne of Little Grass Valley Reservoir (ca. 1/2 mi ne of Independent Mine, n side of S Fork Feather River) 1828 Comment
  CAS-BOT-BC67589  Pellaea mucronata Mrs. R. M. Austin 1877-11-1 s.n. Plumas Quincy Comment
  UC124125  Penstemon davidsonii var. davidsonii Mrs. R. M. Austin July 1896 384 Plumas Lassens Peak Comment
  SD131969  Penstemon deustus W. I. Follett 1946-5-24 142 Plumas Chips Creek at North Fork Feather River 671 Comment
  UC565593  Penstemon deustus Herbert L. Mason 1924-6-15 1032 Plumas Gold Lake Comment
  CHSC75546  Penstemon deustus var. suffrutescens G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3100 Plumas Reservoir shore 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  JEPS126591  Penstemon deustus var. suffrutescens Lowell Ahart 2016-6-29 21075 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
  JEPS87579  Penstemon deustus var. suffrutescens Lowell Ahart 1994-6-29 7408 Plumas about 1/2 mi s of Bucks Lake (n of a poor logging road) 1828 Comment
  NY600750  Penstemon gracilentus A. A. Heller 1907-7-9 8775 Plumas Prattville Comment
  NY600751  Penstemon gracilentus A. A. Heller 1907-7-9 8775 Plumas Prattville Comment
  UC584316  Penstemon gracilentus G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2236 Plumas n Engelmine (sw slopes and ridge crest, Red Rock); Red Rock, n of Engelmine 2133 Comment
  UC614470  Penstemon gracilentus L. Constance 1938-6-10 2314 Plumas %w edge Lake Almanor at Prattville; w edge Lake Almanor at Prattville 1219 Comment
  SEINET5328483 Image available Penstemon heterodoxus M. J. Williams 1974-8-5 74 -P-18 Plumas Lake's Basin. Trail from Silver Lake to Mt. Elwell 2073 Comment
  CHSC69694  Penstemon heterodoxus var. shastensis Vernon H. Oswald 1991-8-23 4841 B Plumas Lassen Volcanic National Park. Trail from the outlet of Juniper Lake to the summit of Mt. Harkness. 2072 Comment
  UCR3602  Penstemon laetus Wm. Horn Jr. 1963-6-24 630624- 02 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  NY627286  Penstemon neotericus C. B. Wolf 1937-9-5 9290 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co. Line. 1463.0 Comment
  SEINET3012201 Image available Penstemon neotericus D. D. Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1460 Comment
  NY627279  Penstemon neotericus D. D. Keck 1932-7-6 1713 Plumas Sierra Nevada; 8 miles north of Greenville on road to Prattville 1463.0 Comment
  POM255945  Penstemon newberryi subsp. newberryi Marion Ownbey, Ruth P. Ownbey 1938-7-14 1734 Plumas Humboldt Summit, Sierra Nevada. Comment
  CAS-BOT-BC239305  Penstemon newberryi var. berryi Marion Ownbey; Ruth P. Ownbey 1938-7-14 1734 Plumas Humboldt Summit, Sierra Nevada Comment
  CAS-BOT-BC239308  Penstemon newberryi var. berryi Mrs. E. C. Van Dyke 1931-6-11 s.n. Plumas Quincy Grade 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
  SEINET10931300  Penstemon personatus Mary Susan Taylor 1982-6-7 Taylor 4614 Plumas T23N R8E ne/nw sec 3. Bucks Lake NE quad. Jct of Schneider Cr Rd (24N16) & 24N47X, ca. 2.5 air mi s of Meadow Valley. 5200 ft. 1585 Comment
  CHSC10844  Penstemon roezlii Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  CHSC21298  Penstemon roezlii F. T. Griggs; A. Pass 1975-7-29 257 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC49031  Penstemon roezlii Vernon Oswald 1986-7-10 2196 Plumas LaPorte- Quincy Rd. 0.5 mi n of Pacific Crest Trail. 1950 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
  SEINET4207724  Penstemon roezlii Mikel R. Stevens 2011-8-27 214 Plumas Near intersection of Big Creek Rd with Red Rd, 4.7 miles E of of Bucks Lake on Big Creek Rd. Ca 4.6 air miles SW of Meadow Valley.; 0 1625 Comment
  SEINET4207728  Penstemon roezlii Mikel R. Stevens 2011-8-27 217 Plumas 8 miles N of Gibsonville on Quincy La Porte Rd. Ca 0.1 rd miles beyond Fingeboard Rd. Ca 8 air miles S of East Quincy.; 0 1930 Comment
  RSA285609  Penstemon roezlii D. C. Michener 1981-7-17 4017 -b Plumas 9 miles north of Greenville on CA 89. Comment
  UC614860  Penstemon roezlii Beryl O. Schreiber 1932-7-20 464 Plumas La Porte Comment
  CAS-BOT-BC239586  Penstemon rydbergii var. oreocharis Fred Sommers; Greg Sommers 1976-6-11 131 Plumas Sierra Valley Marsh. 300 meters southeast of Metal Bridge 1524 Comment
  CDA19271  Penstemon rydbergii var. oreocharis G. D. Barbe, T. C. Fuller 1982-6-17 3838 Plumas Plumas National Forest; East shore Frenchman Lake, Crystal Fishing Access. 1706 Comment
  JEPS15108  Penstemon rydbergii var. oreocharis Beryl O. Schreiber 1938-7-9 2521 Plumas 1 mi e Meadow Valley; Plumas National Forest, Bidwell Bar Quad. 1066 Comment
  CAS-BOT-BC77077  Pentagramma triangularis subsp. triangularis John Thomas Howell 1967-6-23 42730 Plumas Sierra Nevada - Lewisia Rock 3.5 miles SW of Belden, Feather River Canyon 609 Comment
  SEINET10906781  Perideridia parishii subsp. latifolia Mary Susan Taylor 1982-6-28 Taylor 4762 Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  CAS-BOT-BC413557  Persicaria amphibia Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC419040  Persicaria lapathifolia Lowell Ahart 1981-9-6 3070 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CAS-BOT-BC419044  Persicaria lapathifolia Robert J. Weatherby 1950-7-21 1470 Plumas East Quincy 1036 Comment
  CHSC31264  Petrorhagia dubia R. K. Rabeler 1980-8-9 514 Plumas Plumas National Forest. On side of dirt road by Murphy Creek, 10 m W of CA 70, 3.5 km (2.2 mi) W of Belden Power House, Belden. Comment
  CDA19270  Phacelia hastata subsp. hastata G. D. Barbe, T. C. Fuller 1982-6-17 3839 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  CDA14715  Phacelia heterophylla G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3231 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  JEPS2085  Phacelia heterophylla subsp. virgata W. I. Follett 1937-6-13 92 Plumas Rich Gulch 1173 Comment
  NY1057830  Phacelia humilis R. M. Austin 05 1878 s.n. Plumas Big Meadows Comment
  UCD120536  Phacelia humilis var. humilis Kim Nixon 1977-5-29 48 a Plumas Bird Creek Road, 0.2 mile north of Greeno Road, 7.2 miles east of Doyle. 1950 Comment
  CHSC39364  Phacelia mutabilis L. Ahart; P. Ahart 1983-8-17 4315 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  RSA0008808  Phaeostoma atropurpureum A. A. Heller 1938-5-30 15129 Plumas Along the Feather River Hwy west of Arch Rock Tunnel. Comment
  CAS-BOT-BC265831  Phalaris arundinacea John Thomas Howell 1973-7-9 49713 Plumas Crescent Mills, Sierra Nevada 1066 Comment
  CHSC60174  Phalaris arundinacea L. P. Janeway 1992-7-1 4246 Plumas Plumas National Forest. Edge of backwater along edge of gravel bar on the north side of Middle Fork Feather River at mouth of Bonta Creek. 1310 Comment
  CHSC60175  Phalaris arundinacea L. P. Janeway 1992-7-1 4246 Plumas Plumas National Forest. Edge of backwater along edge of gravel bar on the north side of Middle Fork Feather River at mouth of Bonta Creek. 1310 Comment
  CHSC82443  Phalaris arundinacea Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9832 Plumas On the north side of Forest Road 22N94, about 50 yards west of Forest Road 22N94E, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1583 Comment
  SEINET208633  Philadelphus californicus Lewis S. Rose 1967-7-9 67139 Plumas Caribou, North Fork, Feather River. 914 Comment
  UC569817  Philadelphus lewisii G. T. Nordstrom 1934-7-2 166 Plumas one mi se Mount Ararat; Bidwell Bar Quadrangle 1584 Comment
  CDA2313  Phleum pratense A. A. Beetle 1941-6-28 2777 Plumas West side of Lake Almanor Comment
  UC1037120  Phleum pratense Leo Whitney 1934-8-23 2236 Plumas ca 15 mi n Beckwith (Willow Creek); Plumas National Forest, Willow Creek 1950 Comment
  RSA641450  Phlox diffusa subsp. diffusa Michael A. Vincent 1999-6-7 8520 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11 Comment
  JEPS113606  Phlox gracilis Lowell Ahart, John Dittes 2007-6-16 14110 Plumas East of a 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 1647 Comment
  JEPS28626  Phlox gracilis George W. Gillett 1957-7-18 814 Plumas ne side Boiling Springs Lake; Lassen Volcanic National Park 1813 Comment
  SD43455  Phlox speciosa A. Munz 1947-5-16 11832 Plumas 8.0 miles north of Chilcoot. 1524 Comment
  SEINET12326792  Phlox speciosa M. S. Taylor 1982-1 4525 Plumas ca 3/4 mi W of McDermott Ravine and 1.5 mi NE of Sloat 1372 Comment
  UC1563960  Phlox speciosa subsp. occidentalis Barbara Ertter with Gary Schoolcraft 1989-7-3 8665 Plumas ca 7 air mi s Susanville (Diamond Mt. peak) 2316 Comment
  UCR263621  Phoradendron libocedri Lowell Ahart 1994-7-28 7533 Plumas north-east of Frenchman Hill, south-west of Bucks Lake 1707 Comment
  NY42163  Phoradendron villosum J. B. Walker 1994-8-3 869 Plumas 5km N of Quincy, on USFS Rd 25N12, 2km W of USFS Quincy work center 1500 Comment
  CAS-BOT-BC142217  Physocarpus capitatus Walter Knight; John Thomas Howell; Irja Knight 1966-7-27 1552 Plumas Along the bed of Butterfly Creek near mouth - Butterfly Botanical Area and vicinity 914 Comment
  NY62282  Pinus jeffreyi H. E. Brown 1897-8-1 621 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
  SEINET11610316  Pinus jeffreyi David Charlet, T. Charlet 1996-7-20 2298 Plumas Sierra Nevada, Diamond Mts, Feather River drainage, Last Chance, North side of creek Comment
  CAS-BOT-BC73080  Pinus lambertiana Harry P. West 1920-5-17 s.n. Plumas Greenville Comment
  CHSC35286  Pinus ponderosa M. S. Taylor 1981-8-25 4241 Plumas Just off Spur rd off Red Hill Rd (26N22F), ca. 1 air mile ne of the Lookout, ca. 5 air mi ne of Belden. 1767 Comment
  CHSC45829  Pinus ponderosa Lowell Ahart 1974-10-4 656 Plumas Along the edge of a dirt road near Grouse Hollow Creek, along a road near Skyhigh, about 20 miles north-east of Oroville. 1066 Comment
  RSA79259  Pinus ponderosa E. K. Balls, P. C. Everett 1952-10-9 18133 Plumas E shore of Lake Almanor, 6.5 mi N of south tip of lake, Hwy 89 between Greenville and Westwood. 1220 Comment
  SEINET6167697  Piperia unalascensis W. D. Billings, H. J. Oosting 1941-8-2 s.n. Plumas Just east of Sierra-Plumas County line, Laporte-Johnsville Road Comment
  CDA18433  Plagiobothrys cusickii G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3167 Plumas Long Valley; Long Valley, 0.4 mile south of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CDA30238  Plagiobothrys cusickii L. Ahart 2009-9-7 16378 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. Comment
  CHSC29036  Plagiobothrys cusickii J. D. Jokerst 1979-6-23 263 Plumas At the S edge of Meadow Valley. Comment
  UC174627  Plagiobothrys cusickii A. A. Heller and P. B. Kennedy 1907-7-2 8681 Plumas between Vinton and Beckwith Comment
  CAS-BOT-BC230971  Plagiobothrys hispidulus Lowell Ahart 1985-7-11 5141 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles NW of La Porte 1584 Comment
  SJSU14315  Plagiobothrys hispidulus N. A. Hopkins 1989-6-7 1517 Plumas Squaw Valley 1706 Comment
  JEPS111441  Plagiobothrys mollis John Gill Lemmon 1883-1 53 Plumas Sierra Valley [near Beckwourth] Comment
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Dec 13 2015
  POM196461  Plagiobothrys mollis J. T. Howell 1926-7-30 2156 Plumas Prattville. 1372 Comment
  JEPS115123  Plagiobothrys mollis var. mollis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16224 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  RSA201367  Plagiobothrys scouleri var. hispidulus J. T. Howell 1960-7-19 35613 Plumas Drakesbad 1677 Comment
  OBI20915  Plagiobothrys tenellus Lewis S. Rose 1967-5-6 67058 Plumas North Fork, Feather River. Injun Jim camp 610 Comment
  CHSC112515  Platanthera dilatata var. leucostachys L. P. Janeway 2014-7-15 11533 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
  CHSC61073  Platanthera leucostachys Vernon H. Oswald; Lowell Ahart 1993-8-3 5764 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. 1926 Comment
  SD46497  Platanthera sparsiflora Robert J. Weatherby 1955-6-26 1560 Plumas Near Lakes Ranger Station, Lakes Basin. Wet bog in thicket. 1981 Comment
  SEINET10464992  Plectritis congesta subsp. brachystemon Mary Susan Taylor 1982-5-4 Taylor 4403 Plumas T24N R8E ne/ne sec 14. Bucks Lake NE quad. Serpentine outcrop, n side of Spanish Ranch-Bucks Lake Rd, at its jct with 24N17, ca. 0.5 mi ne of Meadow Valley. 3700 ft. 472 Comment
  JEPS113595  Plectritis macrocera Lowell Ahart, Josephine Guardino 2007-7-20 14319 Plumas South of a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  UC1132869  Poa A. Hormay 1932-6-11 23 Plumas 10 mi se Quincy; Downieville Quadrangle Comment
  UC1137078  Poa August L. Hormay 1932-6-11 Plumas near RR plots Long Canyon; Plumas Nat'l Forest Comment
  CAS-BOT-BC254765  Poa bolanderi John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54399 Plumas Grizzly Summit, 6 miles SW of Bucks Lake 1676 Comment
  CAS-BOT-BC254768  Poa bolanderi George W. Gillett 1957-8-9 1015 Plumas Lassen Volcanic National Park. Cliff Lake Trail, 100 yards above Highway, near Summit Lake Ranger Station 2042 Comment
  JEPS102737  Poa bolanderi Lowell Ahart 2001-7-17 8897 Plumas On the west 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
  JEPS106232  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
  SACT001810  Poa bolanderi Michael Baad 1976-8-7 Plumas 1 mile west of trail head to Bear lake to trail head along road ro Rubicon Springs from Lake Tahoe. 2011.0 Comment
  UCD90593  Poa bolanderi Leo Whitney 1934-8-12 2295 Plumas Freeman Creek, northwest end of Big Grizzley Valley, ca. 9 miles northwest of Portola. Plumas National Forest. 1828 Comment
  CAS-BOT-BC254966  Poa bulbosa Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-8 1786 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC254969  Poa bulbosa John Thomas Howell; Gordon H. True 1967-5-7 42184 Plumas Injin Jim Campground at confluence of Granite Creek and North Fork of Feather RIver 609 Comment
  CHSC81431  Poa bulbosa L. P. Janeway 1996-5-13 4969 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 0.3 mi northwest of Hwy 70 and East Branch North Fork Feather River, at first creek crossing. 902 Comment
  CHSC97538  Poa bulbosa Lowell Ahart; John Dittes 2007-6-17 14191 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Gensee Road), about 1/4 mile southeast 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-BC255090  Poa compressa David D. Keck 1944-7-8 5435 Plumas Dixie Canyon Store, 2 miles SW of Crescent Mills on Indian Creek 1066 Comment
  CAS-BOT-BC255094  Poa compressa Thomas H. Kearney 1944-8-14 11 Plumas Near Prattville, Lake Almanor Comment
  CDA14657  Poa compressa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3088 Plumas east of Lariat Lodge, Highway 70/89, East Quincy. 1036 Comment
  CHSC96933  Poa cusickii subsp. cusickii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14052 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  POM264545  Poa pratensis A. A. Beetle 1941-6-28 2792 Plumas 5 mi west of Chester on Rte.36 1829 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
  UCD91821  Poa pratensis A. A. Beetle 1941-6-28 2792 Plumas 5 miles west of Chester, on Rte. 36. 1828 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
  JEPS113667  Poa pratensis subsp. pratensis Lowell Ahart, Josephine Guardino 2007-7-20 14310 Plumas South of a small drainage, northeast edge of a large meadow, south of Lightning Tree Campground, west of the paved road, east side of Lake Davis 1789 Comment
  SEINET10659349  Poa scabrella Mary Susan Taylor 1982-6-14 Taylor 4655 Plumas T27N R12E sw1/4 nw1/4 sec 12. Antelope Lake quad. In wet montane meadow, Pioneer Meadow, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. With Potentilla gracilis nuttallii. 1536 Comment
  CAS-BOT-BC236278  Poa secunda subsp. juncifolia J. G. Lemmon Date on label crossed out: 1888 5461 Plumas Sierra Valley Comment
  CHSC40992  Poa secunda subsp. juncifolia J. D. Jokerst 1984-7-10 2085 Plumas Canyon of Indian Creek, between creek and Indian Cr. Road at the east end of Genesee Valley. 1234 Comment
  UC1583948  Poa secunda subsp. juncifolia G. Schoolcraft 1990-6-4 2067 Plumas 5 mi e Beckwourth (on s side Hwy 70) 1490 Comment
  UC174640  Poa secunda subsp. juncifolia P. B. Kennedy 1901-6-10 Plumas RR Station <Constantia ?> Comment
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Jan 6 2015
  CAS-BOT-BC242962  Poa secunda subsp. secunda L. P. Janeway 1991-6-18 4051 Plumas 3.5 miles SW of Portola, ca 400 ft W of Middle Fork Feather River 1487 Comment
  CAS-BOT-BC242967  Poa secunda subsp. secunda John Thomas Howell 1951-6-27 27637 Plumas Jamison Creek 1828 Comment
  CAS-BOT-BC242973  Poa secunda subsp. secunda A. A. Heller; P. B. Kennedy 1907-7-3 8711 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC242975  Poa secunda subsp. secunda T. C. Fuller 1963-6-13 10670 Plumas W side of Highway 89 to Truckee, 1 mile S of Graeagle Comment
  CAS-BOT-BC242978  Poa secunda subsp. secunda John Thomas Howell; Gordon H. True; Wayne Dakan 1974-7-30 50637 Plumas Headwaters of Indian Creek SE of Diamond Mountain 2164 Comment
  CAS-BOT-BC242987  Poa secunda subsp. secunda John Thomas Howell; et al. 1967-6-12 2085 Plumas Butterfly Botanical Area and Vicinity. Area near spring 1127 Comment
  CHSC44590  Poa secunda subsp. secunda Lowell Ahart 1979-7-18 1980 Plumas Along the road just before it crosses Onion Valley Creek, at Onion Valley, about 1 mile north-west of Pilot Peak, about 15 miles north-east of La Porte. 1828 Comment
  CHSC97617  Poa secunda subsp. secunda Lowell Ahart; John Dittes 2007-6-16 14142 Plumas On dry gravelly soil, west of a small stream, about 200 yards south of 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
  JEPS115950  Poa secunda subsp. secunda Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15891 Plumas About 200 yards northwest of Lake Almanor Dam, in mined over area 1421 Comment
  CAS-BOT-BC244141  Poa sierrae John Thomas Howell 1967-6-23 42740 Plumas Lewisia Rock, 3.5 miles SW of Belden, Feather River Canyon 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
  CHSC97281  Polemonium occidentale Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14469 Plumas About 100 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
  UC1409075  Polygonum amphibium var. emersum R. F. Thorne and C. W. Tilforth 1969-9-6 39241 Plumas river margin 1 mi sw Beckwourth; Feather River 1356 Comment
  JEPS122302  Polygonum aviculare subsp. aviculare Lowell Ahart 2014-8-24 19760 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. Comment
  CHSC37701  Polygonum aviculare subsp. depressum M. S. Taylor 1982-9-13 5135 Plumas Ramelli Ranch, under Calpine Rd (109) bridge over Feather River, ca. 1 mi w of Beckwourth. 1487 Comment
  UCD100067  Polygonum aviculare subsp. depressum John Thomas Howell 1959-9-22 34863 Plumas Lassen Volcanic National Park, Drakesbad. 1737 Comment
  UC1567351  Polygonum davisiae G. Schoolcraft 1989-7-3 1940 Plumas n Red Rock Lookout; Diamond Mtns. 2255 Comment
  UC1075644  Polygonum davisiae Robert J. Weatherby 1950-8-11 1511 Plumas Hellgramite Pond Lakes Basin Area 2011 Comment
  CDA15371  Polygonum douglasii G. F. Hrusa 1997-6-26 13886 Plumas Sierra Nevada; Approx. 1/4 mi. N from USFS 23N22D terminus. Comment
  CDA17282  Polygonum douglasii G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16309 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
  RSA0114872  Polygonum douglasii L. P. Janeway 2015-7-29 11811 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quincy Road; between Bird Creek, Onion Valley Creek, and Finger Board. 1926 Comment
  CDA34544  Polygonum douglasii subsp. douglasii L. Ahart 2007-6-16 14091 Plumas East of the small stream, on the south side of 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. Comment
  CHSC24270  Polygonum douglasii subsp. douglasii K. R. Stern 1975-7-25 Plumas SW side of Lake Almanor. Comment
  CHSC91940  Polygonum douglasii subsp. douglasii Lowell Ahart; Josephine Guardino 2005-8-9 12261 Plumas In a small meadow and near a small drainage, 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. 1635 Comment
  JEPS103488  Polygonum douglasii subsp. douglasii Lowell Ahart 2002-7-18 9868 Plumas On the S side of a small upper branch of Fall R., ca 100 yards N of Lumpkin Ridge Rd, ca 1 mile (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
  JEPS107636  Polygonum douglasii subsp. douglasii Lowell Ahart, Josephine Guardino 2005-8-9 12261 Plumas In a small meadow and near a small drainage, 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 1635 Comment
  UC1136170  Polygonum douglasii subsp. spergulariiforme C. W. Hanks 1934-9-10 79 Plumas Frenchman Valley Plumas National Forest, Sierraville Quadrangle (upper end) Comment
  UC711938  Polygonum douglasii subsp. spergulariiforme Roxana S. Ferris and Laura Lorraine 1941-8-9 10425 Plumas near village; Lake Almanor Public Camp Comment
  POM104561  Polygonum kelloggii Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow. 1677 Comment
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Jan 23 2011
  UC1562670  Polygonum lapathifolium Barbara Ertter 1988-10-21 8004 Plumas e end of causeway ca 1.5 mi e Chester (on Hwy 36); Lake Almanor 1341 Comment
  JEPS122093  Polygonum minimum Lowell Ahart 2014-8-24 19752 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. Comment
  CDA22819  Polygonum pensylvanicum L. P. Janeway 2001-7-25 7385 Plumas High Cascade Range; Southwest side of Lake Almanor, below high water line, about 100 meters out; near Highway 89 2.3 km north-northwest of Almanor West Road. Comment
  CAS-BOT-BC419891  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-6-21 14700 Plumas East of Beckwourth Butte, Sierra Valley Comment
  CAS-BOT-BC420050  Polygonum polygaloides subsp. kelloggii Lowell Ahart 1981-7-21 2975 Plumas About 1.5 miles west on Cleghorn Bar Road, about 2 miles west of Pilot Peak. 1900 Comment
  CHSC53212  Polygonum polygaloides subsp. kelloggii L. P. Janeway 1989-6-14 3307 Plumas Plumas National Forest. Beckwourth Ranger District. Forest along the s'ly side of Red Clover Valley. Openings in yellow pine forest. 1699 Comment
  CHSC97544  Polygonum polygaloides subsp. kelloggii Lowell Ahart; John Dittes 2007-6-17 14089 Plumas Graded road gutter, east 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. 1647 Comment
  CAS-BOT-BC420209  Polygonum sawatchense subsp. sawatchense John Thomas Howell; Gordon H. True 1967-7-11 43309 Plumas About 3 miles southeast of Mt. Hough 1706 Comment
  CAS-BOT-BC76838  Polypodium glycyrrhiza John Thomas Howell; Gordon H. True 1967-5-9 42212 A Plumas Sierra Nevada - Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  CHSC69527  Polypogon monspeliensis Lowell Ahart 1997-9-11 7902 Plumas On the west edge of Caribou Road, on the west side of the North Fork of the Feather River, about 1/8 mile south of Mosquito Creek, about 5 miles (air) northeast of Belden. 792 Comment
  JEPS94289  Polypogon monspeliensis Lowell Ahart 1997-9-11 7902 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
  CHSC4183  Polystichum imbricans J. E. Bowlin 1967-3-8 2 Plumas Ca. 100 feet s of Oroville-Quincy highway and 100 yards w of Grizzly Dome, Oroville. 609 Comment
  CAS-BOT-BC72354  Polystichum imbricans subsp. imbricans Clarence R. Quick 1952-6-29 52 -80 Plumas 1.2 miles south of summit on road between Belden and Humbug Valley Comment
  CAS-BOT-BC72359  Polystichum imbricans subsp. imbricans John Thomas Howell 1959-9-26 35041 Plumas Slaty Rocks near Keddie 1005 Comment
  CAS-BOT-BC72361  Polystichum imbricans subsp. imbricans J. Ed. McClellan; Bonnie McClellan 1968-6-14 s.n. Plumas Near Nelson Creek on road from Quincy to La Porte Comment
  SBBG121615  Polystichum imbricans subsp. imbricans L. Ahart 2006-10-23 13470 Plumas W side of Slate Crk, ca. 50 yards N of where the rd ends, ca. 100 yards N of the dam across Slate Crk, ca. 1/8 mi NE of Scales Rd, ca. 5.5 mi NE of Strawberry Valley 1281 Comment
  CAS-BOT-BC76709  Polystichum lemmonii M. S. Taylor 1982-6-9 4617 Plumas S side of Bucks Lake Rd., just E of Deanes Valley Rd., ca. 1.0 mi. NW of Meadow Valley. Bucks Lake Quad. 1127 Comment
  CAS-BOT-BC102701  Populus tremuloides Elmer I. Applegate 1929-6-21 5786 Plumas Warner Valley, Mount Lassen region Comment
  RSA59330  Populus tremuloides E. K. Balls 1950-9-9 15776 Plumas Lakes Center Public Campground. Southern Plumas Co. 2043 Comment
  UC579490  Porterella carnosula E. Sawyer 1935-6-27 163 Plumas Charlies Valley; Plumas National Forest, Sierraville Quad. 1524 Comment
  SBBG69658  Porterella carnosula E. Rockwell -Jun-1925 493 Plumas Last Chance Crk 1828 Comment
  SEINET10460764  Porterella carnosula H. E. Brown Brown 615 Plumas Near Lassen Buttes 1829 Comment
  SEINET10873429  Porterella carnosula Sawyer 1935-6-27 SAWYER 163 Plumas Charlies Valley, northwest of Beckwith, Plumas National Forest 1524 Comment
  CAS-BOT-BC233726  Portulaca John Thomas Howell 1961-9-24 36916 Plumas Feather River bed SW of Beckwourth, Sierra Nevada 1487 Comment
  CHSC8775  Potamogeton alpinus S. Chulasmai 1966-5-13 33 Plumas Honey Lake. Comment
  RSA52943  Potamogeton foliosus R. Weatherby 1950-7-28 1492 Plumas Snake Lake, near Quincy. 1220 Comment
  CHSC54427  Potamogeton gramineus Vernon H. Oswald 1991-7-17 4745 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
  SJSU14005  Potamogeton gramineus N. A. Hopkins 1988-8-9 1470 Plumas Willow Creek, in meadow area, USGS Ferris Creek quadrangle 1732 Comment
  CDA11847  Potamogeton nodosus G. F. Hrusa, E. Sandoval 1993-5-3 11135 Plumas Snake Lake Vicinity; Scattered aquatic in Snake Lake, mostly within a short distance of shore. Inflorescence above water. Comment
  SD6458  Potamogeton praelongus Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CHSC115833  Potamogeton richardsonii Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20426 Plumas On the west side of Duck Lake (near Blue Lake), 1180 feet north of Forest Serive Road 29N18, 3.19 air-miles west-southwest of Sifford Mt., 6.41 air-miles south-southeast of Lassen Peak. 1892 Comment
  SEINET5332684 Image available Potentilla aperta A. A. Heller, P. B. Kennedy 1907-7-18 8882 Plumas Beckwith Comment
  HSC93325  Potentilla biennis Vernon H. Oswald, L. Ahart 1996-7-15 8013 Plumas E side of the arm of Lake Almanor extending N from Hwy. 36 causeway, S of the point where the road to Last Chance Campground begins to parallel the lake, High Cascade Range. 1372 Comment
  JEPS103431  Potentilla breweri Lowell Ahart 2002-7-6 9849 Plumas In small meadows, ca 50 yards N of the gravel road, near a small branch of Coldwater Creek, ca 3/4 mile SW of Grizzly Mountain, ca 2 miles (air) SW of Haskins Valley and Bucks Lake. 1844 Comment
  CHSC65382  Potentilla bruceae Lowell Ahart 1995-9-13 7636 Plumas On the north-west side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  RSA8064  Potentilla fruticosa H. A. Barker 1927-8-14 842 Plumas Wades Lake 1982 Comment
  CHSC21340  Potentilla glandulosa F. T. Griggs; A. Pass 1975-7-8 116 Plumas Buck's Lake Forest Service Survey. Comment
  RSA59179  Potentilla glandulosa subsp. ashlandica E. K. Balls 1950-9-1 15605 Plumas East of Long Lake, 2134 Comment
  UC578065  Potentilla gracilis var. elmeri E. Sawyer 1935-7-9 284 Plumas 3 3/4 mi ssw Crow; Sierraville Quad. Comment
  RSA123343  Potentilla gracilis var. elmeri E. Sawyer 1935-6-7 84 Plumas 3.75 miles SSW of Sugarloaf 1494 Comment
  CDA14709  Potentilla gracilis var. fastigiata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3220 Plumas Rhinehart Meadow, Mt. Hough-Crystal Lake Road 1.0 mile south of China Grade Road (to Taylorsville). 1676 Comment
  CHSC24279  Potentilla gracilis var. fastigiata K. R. Stern 1975-7-24 Plumas E side of Lake Almanor. Comment
  CAS-BOT-BC540417  Potentilla gracilis var. fastigiata M. S. Taylor 1982-7-8 4806 Plumas S side of Feather River in Ramelli Ranch, ca. 1 mile SW of Beckwourth 1487 Comment
  CAS-BOT-BC158480  Potentilla gracilis var. gracilis L. W. Swift 1930-7-3 31 Plumas Plumas National Forest. Stoney Dairy, Milford District 1828 Comment
  CAS-BOT-BC145202  Potentilla rivalis James T. Vale 1980-9-22 s.n. Plumas Lake Almanor -- nw. end near Chester Comment
  CHSC101923  Poteridium annuum Lowell Ahart; John Dittes 2009-7-13 16055 Plumas West 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
  CHSC112554  Poteridium annuum B. Castro; L. P. Janeway 2007-6-7 1639 Plumas Northern High Sierra Nevada. NW side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, downstream of small rock dam, ca 600 ft below edge ofopen Ponderosa-Jeffrey pine forest. 1673 Comment
  CHSC97596  Poteridium annuum Lowell Ahart; John Dittes 2007-6-16 14147 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
  SBBG3116  Poterium sanguisorba H. and M. Dearing 1938-6-25 2261 Plumas near Greenville Comment
  UCD113160  Prunus andersonii Beecher Crampton 1954-5-11 1877 Plumas Beckwourth Pass, Plumas-Lassen county line. Comment
  CAS-BOT-BC158141  Prunus emarginata A. A. Heller; P. B. Kennedy 1907-7-15 8845 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  CAS-BOT-BC158150  Prunus emarginata Ella Dales Cantelow 1939-3-19 2541 Plumas 6 - mi. W. of Bucks Lake 1764 Comment
  CAS-BOT-BC158154  Prunus emarginata Enid A. Larson 1971-6-18 s.n. Plumas Packers corral at Onion Valley Comment
  CHSC35283  Prunus emarginata M. S. Taylor 1981-7-26 4111 Plumas N side of Caribou Rd, just e of where French Creek crosses, 4.4 mi ne of jct Caribou Rd and Hwy 70 near Belden. 944 Comment
  SEINET10483447  Prunus emarginata Mary Susan Taylor 1982-5-25 Taylor 4531 Plumas 4800 ft. T23N R10E nw/sw sec 25. Blue Nose Mt quad. Jct of Peoria Creek Rd (23N10), and Cold Water Creek, 2.5 mi n of Nelson Creek Bridge, ca. 4 air mi sw of Sloat. 1463 Comment
  UCSB13454  Prunus virginiana var. demissa Breedlove, Dennis 1962-6-12 Plumas Upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CHSC113866  Pseudognaphalium luteoalbum Lowell Ahart 2014-9-9 19858 Plumas On the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CAS-BOT-BC357346  Pseudognaphalium microcephalum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1465 Plumas Butterfly Botanical Area and Vicinity. In bed of Spanish Creek near confluence of Butterfly Creek 883 Comment
  CAS-BOT-BC357349  Pseudognaphalium microcephalum John Thomas Howell 1951-8-19 28173 Plumas Near Paxton 914 Comment
  CAS-BOT-BC357352  Pseudognaphalium microcephalum Thomas H. Kearney 1944-8-14 155 Plumas Near Prattville, Lake Almanor Comment
  RSA755004  Pseudostellaria jamesiana L. Ahart 2008-7-16 15100 Plumas West of a small meadow (swamp), north of a small deep stream, about 130 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 2.5 air miles north of La Porte. 1598 Comment
  SJSU769  Pseudostellaria jamesiana A. W. Jacobs 1942-6-27 Plumas Almanor Comment
  RSA518740  Pseudostellaria jamesiana Barbara Ertter, Gary Schoolcraft 1989-7-3 8635 Plumas Near Bear Creek crossing on Lone Rock road, Diamond Mts. ca. 9 airmiles S of Susanville. 1768 Comment
  UC963885  Pseudostellaria jamesiana Milo S. Baker 1952-5-26 12465 Plumas Hwy 89 just below Greeneville; below Greeneville Comment
  CHSC87628  Pseudostellaria sierrae Lowell Ahart; Josephine Guardino 2004-5-24 10938 Plumas On the east side of a logging road, about 200 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy. 1224 Comment
  SEINET4856244  Pseudostellaria sierrae Richard K. Rabeler, B. Ertter, T. Morosco, J. Shevock 1997-6-14 1290 Plumas 150 ft s of FS road 26N49Y, 0.9 mi E of Plumas Co. 204 (Dixie Canyon Rd.), 1.95 mi N of CA 89, W of Crescent Mills. 1463 Comment
  UC1948764 Image available Pseudostellaria sierrae Richard K. Rabeler, B. Ertter, T. Morosco, J. Shevock 1997-6-14 1290 Plumas Plumas County: 150 ft S of FS road 26N49Y, 0.9 mi E of Plumas Co. 204 (Dixie Canyon Road), 1.95 mi N of CA 89, W of Crescent Mills. 1463 Comment
Read comments
Jun 15 2011
  CAS-BOT-BC80158  Pseudotsuga menziesii H. Albert Barker 1926-7-11 124 Plumas Blairsden - Gold Lake Road 1524 Comment
  CAS-BOT-BC80156  Pseudotsuga menziesii Saichi Kawahara 1968-5-5 413 Plumas Feather River Canyon, 5 miles west of Quincy turnoff, on Highway 70 914 Comment
  CAS-BOT-BC361686  Psilocarphus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54207 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  UC177449  Psilocarphus brevissimus var. brevissimus T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  PASA2296  Psilocarphus globiferus Margaret Stason 1932-6-22 Plumas CAMP GROUND LAKE ALMANOR Comment
  CAS-BOT-BC361846  Psilocarphus oregonus Alice Eastwood 1927-6-17 14685 Plumas United States Forest Reserve. Long Valley 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
  CAS-BOT-BC362001  Psilocarphus tenellus John Thomas Howell 1962-6-18 37761 Plumas Sierra Valley near Beckwourth 1487 Comment
  UC122672  Pteridium aquilinum var. pubescens Mrs. R. M. Austin Aug, 1879 316 Plumas Indian Valley Comment
  CAS-BOT-BC453567  Pterospora andromedea Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1403 Plumas Butterfly Botanical Area and Vicinity: West of Pond reservoir 1097 Comment
  CAS-BOT-BC453562  Pterospora andromedea Hans Leschke 1960-8-5 1694 b Plumas Lassen Volcanic National Park: Near Big Bear Lake 2042 Comment
  SEINET10940284  Pterospora andromedea Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4017 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
  UCD91537  Puccinellia distans John Thomas Howell 1955-7-19 30803 Plumas Vinton. 1505 Comment
  UCD113287  Purshia tridentata Michael A. Vincent 1999-6-7 8529 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  UCSB45772  Purshia tridentata var. tridentata Reisentz, Paul 1979-5-12 Plumas Indian Creek at the junction of Highway 70 and Highway 89 Comment
  CHSC66702  Pycnanthemum californicum Vernon H. Oswald; Lowell Ahart 1996-8-1 8132 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1432 Comment
  SEINET10499003  Pycnanthemum californicum Mary Susan Taylor 1982-8-8 Taylor 4942 Plumas T25N R10E ne/ne sec 18. Greenville SW quad. In seep, n side of 25N73, s slope of Mt Hough ridge, ca. 7 mi nne of Quincy. 6000 ft. 1829 Comment
  CAS-BOT-BC460822  Pyrola aphylla Alice Eastwood 1927-6-12 14529 Plumas US Forest Reserve: Forest Lodge near Greenville Comment
  CAS-BOT-BC460827  Pyrola aphylla Duncan Dunning 1922-7-13 12 Plumas Plumas Forest, Smith Lake 1127 Comment
  JEPS58854  Pyrola asarifolia H. L. Mason 1924-6-26 Plumas Blairsden Comment
  CHSC35276  Pyrola asarifolia subsp. asarifolia M. S. Taylor 1981-8-20 4227 Plumas Above spring in Bullfrog Ravine, ca. 3 air mi nw of Indian falls. 1706 Comment
  CHSC63960  Pyrola asarifolia subsp. asarifolia B. Castro; Linnea Hanson 1989-9-28 412 Plumas Ca 6 air mi SSW of Bucks Lake, ca 0.4 mi SW of Arkansas Ravine, just upslope from S side of USFS Rd 23N60 and just W of the bridge over Coldwater Creek, on the S side of the bridge, in moist drainage area. 1481 Comment
  JEPS127344  Pyrola dentata Lowell Ahart 2016-7-9 21098 Plumas About 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  JEPS58819  Pyrola dentata W. L. Jepson 1924-7-24 10633 Plumas Rich Point 914 Comment
  CDA14718  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
  CHSC52733  Pyrola picta L. P. Janeway 1990-7-31 3820 Plumas Plumas National Forest. Near the crest of Grizzly Ridge, on the N side at head of drainage of the SW fork of Paradise Cr. 2042 Comment
  CHSC54419  Pyrola picta Vernon H. Oswald 1991-6-12 4658 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser. 1691 Comment
  RSA0083323  Pyrola picta Lyman Benson 1932-7-29 4010 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  UCD117817  Pyrola picta G. F. Hrusa 1992-10-8 10502 Plumas Bucks Lake Wilderness. 1828 Comment
  CAS-BOT-BC362159  Pyrrocoma apargioides Mary Strong Clemens 1920-9-2 s.n. Plumas Beckwith [Beckwourth] Comment
  CHSC91899  Pyrrocoma carthamoides var. cusickii Lowell Ahart; Josephine Guardino 2005-8-10 12306 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
  JEPS100332  Pyrrocoma lucida Dean W. Taylor 2001-7-19 17837 Plumas Doyle Grade 0.5 miles East of Meadow View Guard Station 1859 Comment
  CAS-BOT-BC362343  Pyrrocoma racemosa var. paniculata Lewis S. Rose 1955-7-19 55147 Plumas Vinton 1505 Comment
  CAS-BOT-BC362345  Pyrrocoma racemosa var. paniculata John Thomas Howell 1959-9-25 35016 Plumas 5 miles east of Beckwourth, Sierra Valley 1493 Comment
  UCD45391  Quercus chrysolepis Leonard H. Day 1948-7-11 s.n. Plumas Elevation 4710 feet; Lava Top (in Butte County) about 1 mile south of Cascade, Plumas County, California. 1435 Comment
  UC1135636  Quercus garryana var. semota E. Nourse 1934-8-1 5 Plumas 1 mi nw Silver Creek; Plumas National Forest, Bidwell Bar Quad. 1432 Comment
  CAS-BOT-BC105315  Quercus kelloggii Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1559 Plumas Buterfly Botanical Area and Vicinity. Fern Glen 1097 Comment
  UCD56583  Quercus kelloggii John Thomas Howell 1976-7-14 51823 Plumas Sierra Nevada. American Valley near Quincy on road to Quincy Junction. 1036 Comment
  CAS-BOT-BC104593  Quercus vacciniifolia Elmer I. Applegate 1929-6-21 5813 Plumas Near Drakesbad, Warner Valley, Mt. Lassen Comment
  CAS-BOT-BC104595  Quercus vacciniifolia Anna Head 1921-7-6 s.n. Plumas Bear Ridge, above Lake Center Camp. Feather River Region Comment
  CAS-BOT-BC104598  Quercus vacciniifolia Mary Strong Clemens 1920-9-1 s.n. Plumas Gold Valley Comment
  CDA9211  Quercus vacciniifolia D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .291 Plumas Plumas Eureka State Park. S Johnsville Comment
  UC1135794  Quercus vacciniifolia G. Burks 1933-8-8 37 Plumas 2 mi w Franklin Hill; Plumas National Forest, Bidwell Bar Quad. 1645 Comment
  UCD47412  Quercus vacciniifolia E. Nourse 1934-9-5 32 Plumas 2 1/2 miles north and 3/4 mile west of Pilot Peak. 1920 Comment
Read comments
Jun 21 2007
  CHSC21113  Ranunculus alismifolius var. alismellus F. T. Griggs; A. Pass 1975-7-1 13 Plumas East of Grizzly Creek. Buck's Lake. Comment
  POM269646  Ranunculus alismifolius var. alismellus Lyman Benson s.n. Plumas Near Quincy 2134 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
  SEINET4090477  Ranunculus alismifolius var. alismifolius B. C. Templeton 1967-1 sn Plumas About 6 miles south of Beckwourth. Comment
  JEPS113720  Ranunculus aquatilis var. aquatilis Lowell Ahart 2007-6-16 14130 Plumas S side of County Road 111 (Beckwourth Genesee Road), 50 yds E of Forest Road 24N08, Red Clover Valley, about 2 mi (air) N of the N end of Lake Davis 1647 Comment
  CHSC81143  Ranunculus aquatilis var. diffusus Lowell Ahart 2001-8-29 9233 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC378981  Ranunculus aquatilis var. diffusus Miss T. O. Raphael 1919-8-8 s.n. Plumas Mohawk Comment
  HSC22943  Ranunculus aquatilis var. diffusus John Pratt 1970-6-24 39 Plumas Fananii Meadows Comment
  POM284449  Ranunculus aquatilis var. harrisii Lyman Benson 1949-6-21 13748 Plumas Hat Creek, 13.5 miles N of Manzanita Lake. Cascade Mt. Pit River Drainage 1220 Comment
  UC1126174  Ranunculus cymbalaria var. saximontanus E. Sawyer 1935-6-14 105 Plumas 1 mi s Sugarloaf; Sierraville Quadrangle Comment
  JEPS115116  Ranunculus flammula var. ovalis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16240 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  SEINET8697205  Ranunculus glaberrimus var. glaberrimus W. Harnach, N. Harnach 1989-3-29 004 Plumas Approx 1 mile N of The Sierra/Plumas Co. line on Co. Rd. A-23, Hillside N of the Barry corrals. 1506 Comment
  CHSC97593  Ranunculus occidentalis var. occidentalis Lowell Ahart; John Dittes 2007-6-16 14114 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
  RSA147071  Ranunculus occidentalis var. ultramontanus Alice Eastwood 1927-6-12 14497 Plumas Forest Lodge, Greenville. Comment
  CDA19218  Ranunculus orthorhynchus var. orthorhynchus G. D. Barbe, T. C. Fuller 1982-6-16 3787 Plumas Plumas National Forest; below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  UC338277  Ranunculus uncinatus unknown 1889-5-28 Plumas Culver's Spring Mohawk Valley Comment
  UC917339  Rhamnus purshiana J. M. Tucker 1948-7-25 1746 Plumas above mine of United Mining Co., sw side of Camel Peak, Pinchard Creek Camel Peak; , Pinchard Creek 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
  CDA14743  Rhamnus rubra subsp. rubra G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3288 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  CAS-BOT-BC56570  Rhododendron columbianum Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Comment
  SBBG30511  Rhododendron neoglandulosum D. Myrick 1968-6-18 1938 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  CAS-BOT-BC56653  Rhododendron occidentale Robert J. Weatherby 1955-6-16 1531 Plumas Head of Berry Creek, above Virgilia, Feather River Canyon 1524 Comment
  CHSC55690  Rhododendron occidentale Steven Triano 1988-4-17 59 Plumas Ca 40 ft n of Hwy. 70 and 11.3 mi e of its jct. with Hwy 89. 822 Comment
  CHSC66695  Rhynchospora capitellata Vernon H. Oswald; Linnea Hanson 1996-7-30 8099 Plumas Butterfly Valley Botanic Area NW of Quincy on Forest Rd. 25N47 ca. 0.3 mi S of its junction with Road 417. 1188 Comment
  CHSC44976  Ribes K. R. Stern 1985-6-25 8249 Plumas Vicinity of Blairsden. Comment
  UCD38334  Ribes aureum Beecher Crampton 1954-5-11 1884 Plumas 5 miles south of Vinton, Sierra Valley. Comment
  CAS-BOT-BC92391  Ribes aureum var. aureum Mary Strong Clemens 1920-5-31 s.n. Plumas Greenville. Comment
  CAS-BOT-BC108710  Ribes cereum Clarence R. Quick 1963-7-24 63 -65 Plumas Sierra Nevada. 1.5 miles east of Wheeler Peak. Comment
  CAS-BOT-BC108714  Ribes cereum Mrs. Jos Clemens 1919-10-29 s.n. Plumas Crystal Lake. Comment
  UC1127256  Ribes cereum R. Roseberry 1934-11-7 12 Plumas 2 mi n Penman Pk.; Plumas National Forest, Downieville Quadrangle Comment
  UC224234  Ribes cereum H. E. Brown Aug. 1-15, 1897 601 Plumas near Lassen Buttes 1828 Comment
  CDA19215  Ribes cereum var. cereum G. D. Barbe, T. C. Fuller 1982-6-16 3795 Plumas Plumas National Forest; below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  CAS-BOT-BC219216  Ribes nevadense D. E. Breedlove 1962-6-12 3461 Plumas Jackson Creek, Upper drainage of Middle Fork of Feather River, I mile SE of Cromberg, Sierra Nevada 1341 Comment
  CAS-BOT-BC219219  Ribes nevadense John Thomas Howell 1976-7-15 51867 Plumas Snake Lake, about 4 miles NW of Quincy 1219 Comment
  CHSC45975  Ribes nevadense Lowell Ahart 1981-7-21 2946 Plumas Growing on the sides of large rock outcroppings, above the head of Dixon Creek, about 1/8 mile north of the Buzzards Roost Ridge, about 1 1/2 miles north of Pilot Peak. 1645 Comment
  CHSC70263  Ribes nevadense B. Castro; R. Fallscheer, R. Zebell 1989-8-7 360 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. 1737 Comment
  JEPS48766  Ribes roezlii John Warren Duffield 1937-5-27 Plumas Grubstake Flats Bucks Lake Quad., Meadow Valley Comment
  UC1127575  Ribes roezlii G. T. Nordstrom 1934-7-7 190 Plumas 1 1/2 mi s and 1/2 e Bucks Mtn.; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UC566239  Ribes roezlii F. W. Embree 1934-6-6 71 Plumas s slope Bucks Mountain; Bidwell Bar Quadrangle 1524 Comment
  CAS-BOT-BC186230  Ribes roezlii var. roezlii David D. Keck 1932-7-6 1722 Plumas 4 miles N.W. of Greenville on road to Prattville Comment
  CAS-BOT-BC186234  Ribes roezlii var. roezlii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54106 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  CAS-BOT-BC168778  Ribes viscosissimum Anna Head 1921-7-17 s.n. Plumas Indian Pk. near snow - Feather River Region Comment
  CAS-BOT-BC168782  Ribes viscosissimum Mary Strong Clemens 1920-6-4 s.n. Plumas Greenville Comment
  JEPS127343  Ribes viscosissimum Lowell Ahart 2016-7-9 21101 Plumas About 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. 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
  CDA14285  Rigiopappus leptocladus G. F. Hrusa 1997-6-26 13891 Plumas Sierra Nevada; approx. 1/4 mi. N from USFS 23N22D terminus. Comment
  CHSC59907  Rigiopappus leptocladus L. P. Janeway 1992-7-17 4265 Plumas Plumas National Forest. 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. In unused dirt road and adjacent clearcut slope. 1731 Comment
  SEINET10480670  Rorippa Mary Susan Taylor 1981-7-13 Taylor 4000 Plumas T24N R16E se/nw sec 5, Frenchman Lake quad; E side of 24N55, ca. 0.4 mi N of its jct with 28N11, ca. 0.7 mi N of N tip of the Lake, ca. 14 air mi N of Chilcoot. 1737 Comment
  RSA718508  Rorippa curvisiliqua L. Ahart 2006-10-23 13476 Plumas On the south side of Slate Creek (there is a large gravel flat caused by the dam), about 80 yards east of where the road ends, about 100 yards north of the dam across Slate Creek, about 1/8 mi. northeast of Scales Road., About 5.5 miles (air) NE of Strawberry Valley. 1282 Comment
  CAS-BOT-BC74630  Rorippa curvisiliqua John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54282 Plumas Sierra Nevada. About 1.3 mile southeast of Mount Hough on the road to Quincy. 2042 Comment
  CHSC38013  Rorippa curvisiliqua var. orientalis M. S. Taylor 1981-5-10 3671 Plumas N side of Antelope Lake, ca. 1/4 mi e of Boulder Creek and USFS Work Center, ca. 20 mi ne of Taylorsville. 1536 Comment
  CHSC38016  Rorippa curvisiliqua var. orientalis M. S. Taylor 1982-7-8 4803 Plumas Ramelli Ranch, s side of Feather River, ca. 1 mi sw of Beckwourth, ca. 1/4 mi e of Calpine Rd (109). 1487 Comment
  CHSC55203  Rorippa curvisiliqua var. orientalis L. P. Janeway 1989-7-25 3519 Plumas Plumas National Forest. Crocker Meadow, near the Beckwourth-Genesee Road (road 111) 6.4 mi north of Beckwourth. Along edge of channel. 1737 Comment
  SD8271  Rorippa curvisiliqua var. orientalis Daniel Cleveland 1882-7-22 Plumas Under Bunnell Bridge, Prattville. Comment
  CHSC112543  Rorippa nasturtium-aquaticum B. Castro; L. P. Janeway 2008-6-7 1737 Plumas Upper Feather River Water Balance Study: Thompson Creek. Northern High Sierra Nevada. NE side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1670 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
  CAS-BOT-BC146375  Rosa John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54377 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  HSC94144  Rosa californica B. Villegas 1999-7-8 Plumas Frenchman's Lake Rd. Comment
  CAS-BOT-BC148171  Rosa gymnocarpa John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1969-6-24 2627 Plumas Ner Overnight Camp - Butterfly Botanical Area and vicnity 1097 Comment
  CDA31975  Rosa gymnocarpa L. Ahart, J. Dittes 2009-7-28 16195 Plumas Near seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam. Comment
  RSA609440  Rosa gymnocarpa Louis C. Wheeler 1958-7-30 7351 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  CHSC81146  Rosa woodsii subsp. 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
  CAS-BOT-BC148050  Rubus leucodermis Walter Knight; John Thomas Howell; Irja Knight 1966-7-27 1547 Plumas Along roadside near mouth of Butterfly Creek - butterfly Botanical Area and Vicinity 883 Comment
  OBI9993  Rubus leucodermis Lewis S. Rose 1966-7-26 66051 Plumas Butterfly Crk and Spanish Crk. 1 mi S of Keddie 991 Comment
  CAS-BOT-BC156920  Rubus ursinus Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1560 Plumas Fern Glen 1112 Comment
  CAS-BOT-BC156924  Rubus ursinus John Thomas Howell; H. Keith Wagnon 1980-5-26 53589 Plumas North Fork of Feather River between the mouth of East Branch and Caribou 792 Comment
  RSA52918  Rudbeckia occidentalis R. Weatherby 1950-7-21 1478 Plumas Butterfly Valley, near Quincy. 1220 Comment
  CAS-BOT-BC421706  Rumex britannica John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2394 Plumas Area of east side of Butterfly Valley. Comment
  UC1101184  Rumex orbiculatus Malcolm A. Nobs and S. Galen Smith 1949-8-19 1424 Plumas Taylorsville Indian Valley (s end of Valley) Comment
  CHSC80252  Rumex paucifolius L. P. Janeway 1996-6-5 4992 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 400 ft south of Middle Fork Feather River and 300 ft west of the road to Calpine. 1488 Comment
  RSA0039301  Rumex salicifolius var. triangulivalvis Lowell Ahart 2008-8-13 15173 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1613 Comment
  CAS-BOT-BC434081  Rumex transitorius John Thomas Howell 1961-9-25 36933 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC434312  Rumex triangulivalvis John Thomas Howell; Gordon H. True 1967-7-9 43268 Plumas At Quincy 1036 Comment
  CHSC113870  Rumex triangulivalvis Lowell Ahart 2014-8-26 19778 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Resrvoir, 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
  JEPS88517  Sagina saginoides Vernon H. Oswald and Lowell Ahart 1996-7-15 8012 Plumas e. side of arm of, extending n. from Hwy. 36 causeway Lake Almanor (s. of point where rd. to Last Chance Campground (28N11) begins to parallel the lake); High Cascade Range 1371 Comment
  CAS-BOT-BC445680  Sagittaria cuneata John Thomas Howell 1926-7-24 2109 Plumas Lake Almanor near Prattville 1371 Comment
  RSA52884  Salix eastwoodiae R. Weatherby 1950-9-1 1529 Plumas Above Hellgramite Pond near Long Lake. Lakes Basin Area. 2226 Comment
  UC1134863  Salix exigua E. Sawyer 1935-6-10 91 Plumas 4 1/4 mi se Sugarloaf; Sierraville Quadrangle Comment
  UC1552733  Salix exigua var. hindsiana Frederica Bowcutt 1985-6-6 570 Plumas ca. 15 air mi ne of Quincy (ca. 3 air mi sw of Babcock Peak, along Last Chance Creek); Plumas Nat'l Forest Comment
  UC846472  Salix geyeriana Alice Eastwood 1918-5-25 7003 Plumas Portola Comment
  UC175924  Salix lasiandra subsp. lasiandra A. A. Heller 1913-6-13 10849 Plumas near Marston Station Marston Station 1066 Comment
  JEPS105992  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11173 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
  JEPS107697  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes 2005-9-20 12453 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
  CAS-BOT-BC128427  Salix lasiolepis var. lasiolepis Lloyd W. Swift 1931-5-16 65995 Plumas Near Boulder Creek Sta. 1676 Comment
  CAS-BOT-BC128443  Salix lasiolepis var. lasiolepis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54389 Plumas Meadow and meadow borders, 0.3 miles southwest of Bucks Summit on road to Bucks Lake - Sierra Nevada 1645 Comment
  CDA14592  Salix lemmonii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3075 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  RSA201335  Salix lemmonii J. T. Howell 1960-7-20 35724 Plumas Drakesbad. 1677 Comment
  RSA503340  Salix lemmonii G. H. True, T. C. Fuller, G. D. Barbe 1981-6-22 54095 Plumas 10.6 miles NE of La Porte on road to Quincy. 1890 Comment
  RSA508630  Salix lemmonii var. austinae R. M. Austin 1880-1 s.n. Plumas [No location information provided.] Comment
  CAS-BOT-BC125101  Salix ligulifolia W. R. Dudley 1909-8-25 s.n. Plumas Sierra Valley Comment
  SBBG57906  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 393 Plumas N fork of Feather River at Chester, flood plain at hwy bridge 1350 Comment
  SD982  Salix ligulifolia Carleton R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 394 Plumas North Fork of Feather River, at Chester, flood plain at highway bridge 1349 Comment
  UC482033  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 394 Plumas N. Fork Feather R. at Chester (at hwy. bridge); N. Fork Feather R. 1350 Comment
  CDA15370  Salix lucida subsp. lasiandra G. F. Hrusa, T. D. Wilfred 1997-6-26 13896 Plumas Sierra Nevada; E side of Fells Creek immed. upstream from USFS 23N22 crossing. Comment
  CHSC37019  Salix lucida subsp. lasiandra M. S. Taylor 1982-5-16 4454 Plumas Ca. 1/8 mi e of Hwy 89, ca. 1/4 mi n of Graeagle, in Mohawk Valley. 1310 Comment
  CAS-BOT-BC129385  Salix melanopsis John Thomas Howell; Gordon H. True 1967-7-9 43253 Plumas North Fork of Feather River 3 miles southwest of Caribou - Sierra Nevada 853 Comment
  CAS-BOT-BC129388  Salix melanopsis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54335 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road - Sierra Nevada 1341 Comment
  UCR246740  Salix planifolia G. D. Barbe, T. C. Fuller 1982-6-16 3783 Plumas Plumas National Forest. Meadow below Mud Lake, 0.75 mi northeast of Eisenheimer Peak. 2098 Comment
  CAS-BOT-BC125930  Salix prolixa David D. Keck 1932-7-3 1658 Plumas Meadow south of Spanish Creek, Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC129093  Salix scouleriana Mrs. H. C. Cantelow 1941-5-18 s.n. Plumas At Johnsville on road to Gibsonville 1615 Comment
  CAS-BOT-BC129098  Salix scouleriana John Thomas Howell 1959-9-26 35048 Plumas Near Keddie - Sierra Nevada 1005 Comment
  CDA14771  Salix scouleriana G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3366 Plumas SE of Bucks Lake Road and Bucks Creek, 0.3 mile southwest of Bucks summit on Bucks Lake Road. Sheet 2 of 2. 1645 Comment
  UC1135079  Salix scouleriana G. T. Nordstrom 1934-7-17 231 Plumas 1 1/2 mi. s & 1/2 mi. e. Buck's Mt.; Plumas Nat'l Forest, Bidwell Bar Quad. Comment
  SEINET10479093  Salsola australis Mary Susan Taylor 1981-8-31 Taylor 4260 Plumas California: T2N R13E sw1/4 of se 1/4 sec 4. Blairsden quad. Small creek under RR tracks, off spur road 0.5 mi S of Hwy 70, near Mabie, ca. 3 mi W of Portola. Plumas County. 4800 ft. 1463 Comment
  CHSC34328  Salsola tragus L. Ahart 1981-9-6 3091 Plumas On broken rock along the RR on a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  RSA59485  Salsola tragus E. K. Balls 1950-9-15 15864 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  POM161622  Sambucus microbotrys R. C. Bacigalupi 1927-7-8 1658 Plumas Western edge of Long Lake Comment
  CHSC21177  Sambucus racemosa var. microbotrys F. T. Griggs; A. Pass 1975-7-16 190 Plumas Buck's Lake Forest Service Survey Comment
  UC579567  Sanguisorba annua E. Sawyer 1935-6-27 166 Plumas nw Sierra Valley (Charlies Valley); Plumas National Forest, Sierraville Quad. 1524 Comment
  SEINET10483615  Sanguisorba annua Mary Susan Taylor 1982-6-28 Taylor 4755 Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  RSA83055  Sanicula Alva Grant, Verne Grant 1948-6-13 8585 Plumas 1 mile from Cascade road to Oroville. Comment
  CHSC52760  Sanicula bipinnatifida var. flava L. P. Janeway 1990-6-4 3692 Plumas Plumas National Forest. Top of ridge between Little Long Valley Creek and McDermott Ravine, just above road 23N12; ca 1.1 mi NE of Hwy 70/89. 1630 Comment
  CDA14009  Sanicula graveolens G. F. Hrusa, T. D. Wilfred 1997-6-26 13926 Plumas Sierra Nevada; about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  RSA471446  Sanicula graveolens Christopher Davidson 1975-6-7 2742 Plumas 3 mi W of rd to Snake Lake, departing to NW of hwy 89 ca 2 mi N of Quincy. 1273 Comment
  SEINET13945235 Image available Sanicula nevadensis A. A. Heller 1915-1 12061 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. Elev 5500 ft. 12 miles west of Buck 1676 Comment
  JEPS87765  Sanicula tuberosa Lowell Ahart 1994-6-12 7315 Plumas about 1 1/4 air mi s Bucks Lake (sw of small branch of Willow Creek, near Cedar Flat, on w side of Faggs Mine Road); s of Bucks Lake, sw of branch Willow Creek, Faggs Mine Road 1706 Comment
  JEPS28623  Sanicula tuberosa George W. Gillett 1957-7-18 810 Plumas Lassen Volcanic National Park, ne side of Boiling Springs Lake Boiling Springs Lake Boiling Springs Lake Boiling Springs La; Lassen Volcanic National Park, Boiling Springs Lake 1813 Comment
  CHSC21116  Sarcodes sanguinea F. T. Griggs; A. Pass 1975-7-1 20 Plumas East of Grizzly Creek. Comment
  CHSC45521  Sarcodes sanguinea Lowell Ahart 1975-8-29 969 Plumas About 10 mi south of Bucks Lake, about 1 mi NE of Hardquartz Mine, along the edge of small stream which is part of Arkansas Ravine. 1828 Comment
  SEINET3238872 Image available Sarcodes sanguinea Marion Ownbey, Ruth P. Ownbey 1938-7-14 1741 Plumas Below Humboldt Summit on road between Jonesville and Lake Almanor, Sierra Nevada. Comment
  CDA18560  Saxifraga nidifica G. D. 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; at the head of Eagle Gulch. 1670 Comment
  UC397401  Saxifraga oregana Herbert McLean Evans 1922-7-20 Plumas Grassy Lake; Sierra Nevada, Mount Lassen Region, Grassy Lake 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
  UCD65885  Schedonorus arundinaceus John Thomas Howell; Gordon True, Walter Knight, and Irja Knight 1967-7-10 2168 Plumas Mouth of Butterfly Creek. 883 Comment
  UC1609498  Schoenoplectus subterminalis Vernon H. Oswald and Lowell Ahart 1993-8-3 5766 Plumas unnamed lake ca 0.25 mi e Hay Meadow (w. side of the lake, on s edge Caribou Wilderness near the n end of 30N25 ca 9 mi (air) n of Lake Almanor); s edge Caribou Wilderness, e of Hay Meadow, n Lake Almanor 1926 Comment
  JEPS112947  Scirpus congdonii Dean W. Taylor 2001-8-2 17885 Plumas meadow on northwestern flank Lexington Hill along Forest Road 21N15 ca. 0.3 miles N of junction of Forest Road 21N05Y (ca. 1.5 air mile W of La Porte) 1676 Comment
  CAS-BOT-BC30739  Scirpus diffusus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1673 Plumas Sweetwater Meadow. 1127 Comment
  JEPS64014  Scirpus diffusus W. L. Jepson 1927-6-23 12313 Plumas Warner Creek Valley 1584 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
  CHSC20751  Scirpus microcarpus K. R. Stern 1975-7-24 5895 Plumas S shore of Lake Almanor. 1371 Comment
  CHSC56891  Scirpus microcarpus L. P. Janeway 1991-8-4 4119 Plumas Plumas National Forest. 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
  CAS-BOT-BC111013  Scirpus microcarpus L. P. Janeway 1990-8-29 3847 Plumas Ca. 0.1 mi W of Paradise Cr ca 3/4 mi S of Little Grizzly Cr. Mt. Ingalls quad. 1905 Comment
  SD46740  Scirpus pauciflorus Robert J. Weatherby 1955-6-26 1545 Plumas Common in mosses, wet meadow. Mud Lake, Lakes Basin Area. 2103 Comment
  UC104317  Scutellaria antirrhinoides Mrs. R. M. Austin July 1878 Plumas Big Meadows Comment
  UC1585915  Scutellaria antirrhinoides Barbara Ertter 1989-7-4 8684 a Plumas sw of Chester (2.2 mi w of jct with Hwy 89 and Hwy 36) 1463 Comment
  UCD125680  Scutellaria nana Michael A. Vincent 1999-6-8 8557 Plumas Plumas National Forest, Milford Ranger District. Along FS 26N16 between FS 26N17 and Doyle's Crossing bridge. Comment
  CAS-BOT-BC240088  Secale cereale John Thomas Howell 1955-7-19 30778 Plumas Beckwourth 1493 Comment
  JEPS26936 Image available Sedum albomarginatum P. C. Hutchison 1961-6-9 2122 Plumas Canyon North Fork of the Feather River, along highway US Alt. 40, on serpentine cliffs above Rich Bar. Comment
  CAS-BOT-BC61463  Sedum laxum subsp. laxum Lowell Ahart 1968-6-29 s.n. Plumas Near La Porte. 914 Comment
  CAS-BOT-BC61468  Sedum laxum subsp. laxum F. Thos. Griggs 1975-1-1 310 Plumas Buck's Lake area, Comment
  CAS-BOT-BC64702  Sedum obtusatum subsp. paradisum M. S. Taylor 1982-7-12 4823 Plumas Side of Rd. 507, 3.7 mi. sw. of Johnsville, 1.7 mi. W of Jamison Ck CG, near Plumas-Eureka State Pk 1524 Comment
  CAS-BOT-BC63846  Sedum spathulifolium Mary Strong Clemens 1920-6-25 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC63848  Sedum spathulifolium John Thomas Howell 1967-6-23 42728 Plumas Lewisia Rock, 3/5 miles southwest of Belden, Feather River Canyon. 609 Comment
  SFV8765  Sedum spathulifolium D. Ahrenholz 1964-5-16 21 Plumas Sierra Nevada Feather River Canyon near Bucks Power House. Comment
  RSA271934  Sedum spathulifolium subsp. spathulifolium Christopher Davidson 1975-6-7 2739 Plumas Ca. 3 miles on dirt road to Snake Lake branching to NW off Hwy 70 ca. 2 miles N of Quincy. 1273 Comment
  UC384669  Senecio aronicoides E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  CHSC89470  Senecio eurycephalus var. lewisrosei Jenny Marr 1994-7-11 201 Plumas Located in the Quincy District of the Plumas National Forest, SE of North Fork Campground. 1005 Comment
  CAS-BOT-BC341173  Senecio hydrophiloides A. A. Heller; P. B. Kennedy 1907-7-17 8878 Plumas Red Clover Valley Comment
  CAS-BOT-BC341175  Senecio hydrophiloides L. P. Janeway 1990-6-29 3745 Plumas Plumas National Forest, Beckwourth Ranger District. Meadow on S side of Little Grizzly Creek ca 1/4 mi E of Emigrant Creek 1767 Comment
  SEINET10971192  Senecio hydrophilus Mary Susan Taylor 1982-9-8 Taylor 5121 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CAS-BOT-BC363794  Senecio integerrimus Ben Beard; J. D. Schoeller No date on label 403 Plumas Plumas National Forest. Last Chance near McDermott Pasture 1676 Comment
  CAS-BOT-BC363913  Senecio integerrimus var. exaltatus Alice Eastwood 1927-6-27 14893 Plumas United States Forest Reserve. On road from Chilcott [Chilcoot] Comment
  CAS-BOT-BC363915  Senecio integerrimus var. exaltatus Alice Eastwood 1927-6-1 14641 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  CHSC112528  Senecio integerrimus var. exaltatus B. Castro; L. P. Janeway 2009-6-7 1788 Plumas Northern High Sierra Nevada. SW side of lower Thompson Valley ~0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. Near W edge of Thompson Creek, in the vicinity of headcut channels, in sagebrush meadow flats ca 450 ft below edge of open Ponderosa-Jeffrey pine forest. 1665 Comment
  CAS-BOT-BC363921  Senecio integerrimus var. exaltatus Elizabeth McClintock 1968-5-18 s.n. Plumas East of Frenchman Reservoir, north of Chilcoot 1706 Comment
  LA204250  Senecio integerrimus var. major E. D. Merrill; 1929-7-13 sn Plumas Sierra Nevada, Silver Lake 1828 Comment
  CAS-BOT-BC341187  Senecio lugens L. S. Rose 1931-4-13 s.n. Plumas Woodleaf Comment
  CAS-BOT-BC364176  Senecio serra J. T. Vale 1988-10-4 s.n. Plumas Bucks Lk. Old Rd., Summit Campground 1584 Comment
  CHSC99822  Senecio triangularis Lowell Ahart 2008-7-16 15096 Plumas In a small meadow (swamp), north of a small deep stream, about 130 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-BC364770  Sericocarpus oregonensis subsp. californicus M. S. Taylor 1981-9-2 4262 Plumas W side of 26N18, ca. 1 mi s of Onion Flat, ca. 3 mi w of Indian Falls 1463 Comment
  UC1523720  Sericocarpus oregonensis subsp. californicus Gary Schoolcraft 1982-8-2 840 Plumas west of Crescent Mills 1219 Comment
  SD8947  Sericocarpus rigidus Mrs. R. M. Austin 1877-1 Plumas Mill Creek Comment
  CAS-BOT-BC213134  Sidalcea W. I. Follett; E. B. Follett 1962-7-31 s.n. Plumas Estray Creek, 1.5 mi. W of Spring Garden, Sierra Nevada Comment
  UC583398  Sidalcea asprella subsp. nana Elmer I. Applegate 1934-5-3 8905 Plumas near and n Quincy; near and n of Quincy Comment
  CHSC20781  Sidalcea glaucescens K. R. Stern 1975-7-24 5834 Plumas SW shore of Lake Almanor. 1371 Comment
  CHSC52527  Sidalcea glaucescens L. P. Janeway 1990-6-19 3720 Plumas Plumas National Forest. Small dry creek west of Rattlesnake Creek, ca 1 1/4 mi N of Hwy 70/89 and Long Valley. 1402 Comment
  UC1124960  Sidalcea glaucescens G. T. Nordstrom 1934-7-3 177 Plumas 3/4 mi s Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle 1645 Comment
  UCD116648  Sidalcea glaucescens Elaine A. Ahrenholz 1962-5-5 51 Plumas 1 mile north of Greenville. 1066 Comment
  CAS-BOT-BC205768  Sidalcea oregana John Thomas Howell 1973-7-9 49724 Plumas Round Valley 1371 Comment
  RSA517872  Sidalcea oregana subsp. oregana J. T. Howell 1973-7-9 s.n. Plumas Round Valley 1372 Comment
  CHSC62568  Sidalcea oregana subsp. spicata B. Castro; L. P. Janeway 1987-7-17 137 Plumas Ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring site. 1584 Comment
  POM282919  Sidalcea oregana subsp. spicata Lyman Benson 1932-7-29 3981 -a Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  JEPS67270  Sidalcea oregana subsp. spicata W. I. Follett 1934-6-4 66 Plumas 1.3 mi w Bucks Lodge; w of Bucks Lodge Comment
  UCD98585  Silene dichotoma subsp. dichotoma G. L. Stebbins Jr. 1970-7-24 7071 Plumas Blairsden. 1341 Comment
  UC2042995  Silene douglasii Barbara Ertter with Gary Schoolcraft 1990-5-14 8970 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  UC1075645  Silene douglasii Robert J. Weatherby 1950-8-11 1507 Plumas on trail near Long Lake (Lakes Basin Area); North Sierra Nevada Mts., nr Long Lake, Lakes Basin Area 1981 Comment
  JEPS48491  Silene lemmonii John W. Duffield 1937-6-9 Plumas n Bucks Lake (se slope of Bucks Mt.); , n of Bucks Lake Comment
  SD46736  Silene lemmonii Robert J. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek, Middle Fork Feather River. 1550 Comment
  SEINET10537592  Silene nuda subsp. insectivora Mary Susan Taylor 1981-7-11 Taylor 4068 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
  JEPS102939  Silene occidentalis subsp. occidentalis L. P. Janeway 2001-7-3 7259 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek 1707 Comment
  SEINET5337221  Silene pectinata A. A. Heller, P. B. Kennedy 1907-7-16 8859 Plumas Genessee Valley near Genessee Comment
  CAS-BOT-BC74966  Sinapis arvensis John Thomas Howell 1962-6-18 37815 Plumas Sierra Nevada. Sierra Valley, 5 miles south of Beckwourth. 1493 Comment
  CAS-BOT-BC75122  Sisymbrium altissimum Anna Head 1920-6-6 s.n. Plumas Feather River Region. Camp Rodgers. Railroad cutting. 701 Comment
  CDA33247  Sisyrinchium bellum L. Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11169 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. Comment
  RSA699782  Sisyrinchium bellum Lowell A. Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11169 Plumas 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. 2140 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
  UC1134667  Smilacina racemosa C. G. Albertus 1935-7-27 237 Plumas 1 1/2 mi se Cromberg; Plumas National Forest, Downieville Quadrangle 1310 Comment
  SEINET10905128  Smilacina racemosa Mary Susan Taylor 1982-5-27 Taylor 4551 Plumas 3800 ft. T24N R8E ne/se sec 14. Bucks Lake quad. E side of Deans Valley Rd (24N29), 0.3, 0.4-0.5 mi s of its jct with Bucks Lake Rd, ca. 1 mi ne of Meadow Valley. 1158 Comment
  UCD127001  Solanum physalifolium var. nitidibaccatum Mr. Peters 1927-9-1 818 Plumas Taylorsville. Comment
  UC1125019  Solanum umbelliferum F. W. Embree 1934-6-6 84 Plumas 1 1/2 mi nw of Bucks Mountain; Plumas National Forest 1524 Comment
  RSA184955  Solidago canadensis subsp. elongata L. S. Rose 1966-7-28 66072 Plumas Quincy 1067 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
  UC1999876  Solidago elongata J. C. Semple, B. Semple 1981-8-27 5722 Plumas 1 mile S of Graeagle on HWY-89. Comment
  UC1999886  Solidago velutina subsp. californica J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-12 9307 Plumas Taylorville, county park, edge of Indian Creek. Comment
  CAS-BOT-BC374667  Sonchus oleraceus John Thomas Howell 1966-7-29 42023 Plumas Quincy 1036 Comment
  CAS-BOT-BC157318  Sorbus californica Lewis S. Rose 1932-9-5 32624 Plumas Jamison Lake 1889 Comment
  CHSC92177  Sorbus californica Lowell Ahart; John Dittes 2005-9-19 12381 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2080 Comment
  JEPS123938  Sorbus californica Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20420 Plumas On the west side of Blue Lake, 2,710 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. Comment
  CHSC62158  Sorbus scopulina L. P. Janeway 1993-8-14 4523 Plumas Plumas National Forest. Seep adjacent to creek on east side of road 24N29Y; ca 0.7 mi northwest of Haskins Creek, ca 1.4 mi east-southeast of Bucks Lake. 1731 Comment
  UCD114047  Sorbus sitchensis O. Lilleland 1932-8-1 s.n. Plumas location unknown. 6 Comment
  CHSC36916  Sparganium emersum subsp. emersum M. S. Taylor 1982-8-17 5007 Plumas In Little Summit Lake, ca. 5 air mi ne of Sloat. 1798 Comment
  SD122534  Spergularia rubra Lowell Ahart 1984-6-3 4657 Plumas At Keddie, north of Quincy, on a road along Highway 70, Yellow Pine Forest Comment
  CAS-BOT-BC390686  Spergularia rubra Alice Eastwood 1927-6-11 14448 Plumas United States Forest Reserve. Crescent Mills Comment
  SEINET10965512  Spergularia rubra Lowell Ahart 1984-6-3 Ahart 4657 Plumas On a road along Hwy 70, at Keddie, N of Quincy; Yellow Pine Forest; 1000 m. 1000 Comment
  UC579482  Sphaeromeria potentilloides var. potentilloides E. Sawyer 1935-6-6 73 Plumas 2 1/2 mi sw Sugarloaf; Sierraville Quad. 1493 Comment
  CDA13997  Sphenosciadium capitellatum G. F. Hrusa, T. D. Wilfred 1996-8-1 13422 Plumas Sierra Nevada; Pine Creek at Brady's Camp, ~ 1/2 mi. NE Argentine Rock. Sheet 2 of 2 Comment
  JEPS46110  Spiraea densiflora Duncan Dunning 1922-7-16 Plumas 4 mi n Gibsonville; Onion Valley Comment
  SD8401  Spiraea densiflora Mrs. R. M. Austin 1879-1 Plumas Mt. Dyer, Big Meadows Comment
  UC384658  Spiraea densiflora E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  CHSC36352  Spiraea douglasii M. S. Taylor 1982-6-14 4672 Plumas E side of Hwy 89 by Indian Creek, ca. 1 mi n of Indian Falls. 1036 Comment
  JEPS45010  Spiraea douglasii W. L. Jepson 1924-7-24 10635 Plumas Meadow Valley 1158 Comment
  UC711919  Spiraea douglasii Roxana S. Ferris and Laura Lorraine 1941-8-8 10416 Plumas 3 mi from Greenville (on road to Lake Almanor) Comment
  CAS-BOT-BC152537  Spiraea splendens Mrs. Jos Clemens 1919-10-29 s.n. Plumas Crystal Lake Comment
  CHSC99835  Spiranthes porrifolia Lowell Ahart 2008-8-13 15179 Plumas North side 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 LaPorte. 1613 Comment
  POM312933  Spiranthes romanzoffiana Malcolm A. Nobs, S. Galen Smith 1949-8-19 1445 Plumas Butterfly Valley. Comment
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  CAS-BOT-BC535256  Spirodela polyrhiza Robert J. Weatherby 1950-7-28 1485 Plumas Bridge over Indian Creek, road to Taylorville 1066 Comment
  CAS-BOT-BC5604  Spraguea pulcherrima A. A. Heller 1938-5-30 15132 Plumas Feather River near Bucks Creek power house 609 Comment
  CHSC63218  Stellaria crispa Lowell Ahart 1994-7-28 7545 Plumas On the east sides of a small stream, north-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  JEPS115898  Stellaria crispa Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16106 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
  UC120035  Stellaria longipes var. longipes Mrs. R. M. Austin Jun 1878 294 Plumas Big Meadows Comment
  CHSC81362  Stellaria nitens L. P. Janeway 1996-5-21 4977 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-BC375047  Stenotus acaulis Clare B. Hardham 1978-8-11 21792 C Plumas North end of lava flow southeast of Thompson Peak Comment
  POM181080  Stenotus acaulis P. B. Kennedy 1907-7-3 8696 Plumas Hills above Red Clover Valley. Comment
  RSA164312  Stenotus acaulis Clare B. Hardham 1961-6-16 7482 Plumas Diamond Peak. 2287 Comment
  CHSC107908  Stipa occidentalis var. californica L. P. Janeway; Melanie Williams 2011-9-1 10716 Plumas Northern High Sierra Nevada. Plumas National Forest; between northwest shore of Little Grass Valley Reservoir and the road around the lake; 0.8 km west-southwest of where South Fork Feather River enters the reservoir. Lower edge of a small clearcut area in white fir dominated forest. 1577 Comment
  RSA523875  Streptanthus cordatus Barbara Ertter, Gary Schoolcraft 1989-7-3 8653 Plumas Below Red Rock Lookout, ca. 8 airmiles S of Susanville. 2256 Comment
  CAS-BOT-BC87794  Streptanthus tortuosus Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  CAS-BOT-BC87799  Streptanthus tortuosus M. S. Taylor 1982-7-12 4821 Plumas On north side of Road 507 3.7 miles southwest of Johnsville, 1.7 mile west of Jamison Creek Campground. 1828 Comment
  HSC96821  Streptanthus tortuosus var. orbiculatus L. Ahart 2006-7-3 12904 Plumas 0.25 mi. N of Lumpkin Ridge Rd., on Lumpkin Ridge, 4 mi. NE of Camp 18 1528 Comment
  JEPS87752  Streptanthus tortuosus var. tortuosus Lowell Ahart 1994-6-15 7331 Plumas about 1 (air) mi w; Little Grass Valley Reservoir (n side of intersection between Lumpkin Ridge Rd and road to Tamarack Flat) 1767 Comment
  CAS-BOT-BC517426  Streptopus amplexifolius Edmond Holm 1976-1-1 s.n. Plumas unspecified Comment
  CAS-BOT-BC517429  Streptopus amplexifolius Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1497 Plumas Butterfly Botanical Area and Vicinity, roadside at Fern Glen 1097 Comment
  UC333168  Swertia albicaulis var. nitida unknown Plumas Sierra Valley Comment
  JEPS88556  Symphoricarpos mollis Vernon H. Oswald and Lowell Ahart 1996-7-15 8018 Plumas e side of the arm extending n from Hwy 36 causeway Lake Almanor (s of the point where the road to Last Chance Campground (28N11) begins to