Search Results — 2000 specimen records retrieved (1486 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-BC77979  Abies concolor John Thomas Howell; Gordon H. True 1973-7-31 50066 Plumas summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CAS-BOT-BC78097  Abies magnifica Rutter; Atkinson 1899-9-1 s.n. Plumas Onion Valley Comment
  CAS-BOT-BC330952  Acer glabrum var. glabrum John Thomas Howell 1951-6-28 27700 Plumas Eureka Peak 2133 Comment
  CAS-BOT-BC330982  Acer glabrum var. glabrum W. W. Wagner 1919-6-29 301 Plumas Squirrel Creek, vicinity of Quincey 1828 Comment
  LA204382  Acer glabrum var. glabrum A. A. Heller; 1915-7-7 12054 Plumas Sierra Nevada, near the summit of Soapstone ridge, 12 mi. W of Bucks 1676 Comment
  CHSC20973  Acer glabrum var. torreyi F. T. Griggs; A. Pass 1975-7-23 246 Plumas Cape Lake. Comment
  CHSC21573  Acer macrophyllum D. E. Brink Jr.; L. M. Mayer 1975-7-3 Plumas Found in the middle e portion of the section. Bucks Lake Floristic Survey. Comment
  RSA261481  Acer macrophyllum Clif Clendenen 1974-5-25 41 Plumas 7 miles NW of Quincy on State Highway 70. Comment
Read comments
Sep 15 2009
  SD7293  Acer macrophyllum Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET11842153  Achillea millefolium var. lanulosa M. Sacks, Detzer 1977-1 9 Plumas Edge of Yellow Pine Forest. ca 3.5 km NE of Squaw Pk. Milford Quad., Sec. 1, T25N, R14E 1973 Comment
  SEINET203888 Image available Achnatherum lemmonii F. J. Hermann 1955-7-27 11948 Plumas Beckwour schoolyard. Comment
  UC1024758  Achnatherum lemmonii Leo Whitney 1934-8-13 2294 Plumas 3 mi e Cate Place (10 mi nw of Portola); Plumas National Forest, Big Grizzley Valley 1828 Comment
  CDA18669  Achnatherum nevadense G. D. Barbe, T. C. Fuller 1982-6-15 3735 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  CAS-BOT-BC210845  Achnatherum occidentale subsp. californicum John Thomas Howell 1951-6-27 27569 Plumas Johnsville 1584 Comment
  JEPS115947  Achnatherum occidentale subsp. californicum Lowell Ahart, John Dittes 2009-7-15 16090 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  JEPS102941  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
  CAS-BOT-BC218042  Achnatherum stillmanii Clarence R. Quick 1964-7-12 64 -79 Plumas W end of Humbug Valley 1402 Comment
  SBBG22468  Acmispon americanus C. B. Hardham 1961-6-15 7403 Plumas Graeagle Comment
  SD8661  Acmispon americanus Daniel Cleveland 1882-7-24 Plumas Big Meadows. Comment
  CHSC100326  Acmispon americanus var. americanus Lowell Ahart 2008-8-13 15170 Plumas Large pile of dirt on the east side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC880  Acmispon nevadensis D. Crummett 1937-5-14 Plumas Feather river highway below Belden. 731 Comment
  UCD104245  Acmispon nevadensis John Thomas Howell 1960-7-18 35561 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UC1125852  Aconitum columbianum C. G. Albertus 1935-8-3 247 Plumas 1 1/2 mi. s.e. Cromberg; Plumas Nat'l Forest, Downieville Quad. Comment
  CAS-BOT-BC391470  Aconitum columbianum subsp. columbianum Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l. Park Comment
  RSA59408  Aconitum columbianum var. columbianum E. K. Balls 1950-9-8 15717 Plumas Lakes Center Public Campground. 2043 Comment
  CAS-BOT-BC412612  Aconogonon alaskanum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC63469  Aconogonon davisiae Lowell Ahart 1994-7-20 7476 Plumas Open bare area, north of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. Label said both Plumas and Sierra counties. 1981 Comment
  CAS-BOT-BC418806  Aconogonon phytolaccifolium George W. Gillett 1957-7-19 848 Plumas Lassen Volcanic National Park. On trail to Sifford Lakes about 1 1/4 miles above the Devils Kitchen 2057 Comment
  CHSC102123  Actaea rubra Lowell Ahart; John Dittes 2009-7-27 16178 Plumas On damp to dry soil, west of the small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CAS-BOT-BC29834  Adenocaulon bicolor Alice Eastwood 1927-6-12 14496 Plumas United States Forest Reserve, Forest Lodge, Greenville Comment
  RSA286334  Adenocaulon bicolor R. F. Thorne 1974-7-30 45014 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  UC811186  Adiantum X tracyi Mrs. E. C. Sutliffe 1919-6-21 Plumas near Gold Lake Comment
  UCD137177  Adiantum aleuticum B. Castro; Gail Kuenster 1994-9-21 548 Plumas Ca. 2.5 air miles S of Bucks Lake, ca. 0.7 mi. W of USFS Rd 23N18, along N-trending perennial creek which drains the NE corner of Red Mtn and feeds into Cedar Flat. 1722 Comment
  UC1124435  Agastache urticifolia E. Sawyer 1935-6-27 170 Plumas 3 1/2 mi n Hawks; Plumas National Forest, Sierraville Quad. Comment
  SEINET7924849  Agastache urticifolia A. A. Heller 1907-7-9 8771 Plumas Prattville. Comment
  CHSC34266  Ageratina occidentalis M. S. Taylor 1981-7-27 4131 Plumas Between Drum and Notson Bridges, N side of Beckwourth-Genesee Rd, ca. 7 air mi E of Genesee. 1584 Comment
  CAS-BOT-BC29598  Agoseris X dasycarpa Alice Eastwood 1927-6-27 14872 Plumas Chilcott [Chilcoot], United States Forest Reserve Comment
  CHSC110291  Agoseris glauca var. glauca B. Castro; L. P. Janeway 2006-6-3 1543 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. 1676 Comment
  RSA726446  Agoseris glauca var. monticola L. Ahart, John Dittes 2007-6-17 14167 Plumas 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. 1655 Comment
  CDA18451  Agoseris heterophylla G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3192 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
  CHSC112555  Agoseris heterophylla B. Castro; L. P. Janeway 2007-6-7 1638 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.1 mi N of the mouth of McReynolds Creek at Red Clover Creek. Sagebrush meadowy flats on W side of Thompson Creek, ca 450 ft below edge of open Ponderosa-Jeffrey pine forest. 1674 Comment
  RSA726286  Agoseris heterophylla L. Ahart, John Dittes 2007-6-16 14099 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  CAS-BOT-BC13244  Agoseris monticola J. T. Howell 1960-7-21 35802 Plumas Lassen Volcanic National park, Drakesbad 1828 Comment
  CHSC97174  Agoseris retrorsa Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14040 A Plumas About 150 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CAS-BOT-BC127594  Agropyron cristatum M. S. Taylor 1982-9-13 5138 Plumas Ramelli Ranch, in vicinity of Calpine Road (109) bridge over Feather River. Ca. 1 mile west of Beckwourth. 1487 Comment
  CAS-BOT-BC127083  Agrostis exarata Clare B. Hardham 1970-8-11 17716 D. Plumas Road to Thompson Peak Lookout. 2133 Comment
  CAS-BOT-BC127101  Agrostis exarata John Thomas Howell 1976-7-16 51907 Plumas Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CHSC113852  Agrostis exarata Lowell Ahart 2014-8-31 19809 Plumas Around rocks in an unnamed drainage, on the west side of Black Rock Creek. about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4-1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC81176  Agrostis exarata Lowell Ahart 2001-8-29 9243 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SACT000105  Agrostis exarata Malcolm Nobs 1949-8-20 Plumas Marshy meadow about 13 miles southwest of Milford, between Milford and Beckwourth Comment
  UCD52263  Agrostis exarata Beecher Crampton 1964-8-25 7160 Plumas Lassen Volcanic National Park, Devil's Kitchen, Hot Springs Creek. 1859 Comment
  CAS-BOT-BC138997  Agrostis pallens Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mile west of Pilot Peak. 2000 Comment
  CHSC65872  Agrostis pallens L. P. Janeway 1995-10-11 4940 Plumas Lakes Basin. 0.3 mi north-northwest of Lakes Basin Campground; on east side of Gold Lake Hwy opposite entrance to campground. 1923 Comment
  CAS-BOT-BC138714  Agrostis scabra John Thomas Howell 1960-7-18 35523 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  JEPS68395  Agrostis scabra W. L. Jepson 1910-6-8 4085 Plumas near Lassen Peak; Lake Tartarus 2011 Comment
  SD71008  Agrostis scabra John Thomas Howell 1960-7-20 35722 Plumas Lassen Volcanic National Park, near steam vents and hot springs, Boiling Springs Lake. 1798 Comment
  CHSC67736  Agrostis stolonifera James D. Jokerst 1985-7-23 2537 Plumas NW bank of Indian Creek ca. 2 mi SW of Crescent Mills. 1066 Comment
  JEPS107622  Agrostis stolonifera Lowell Ahart, Josephine Guardino 2005-8-9 12298 Plumas In a meadow, about 100 yards southwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  CDA12141  Agrostis variabilis G. F. Hrusa, J. Dinsdale 1989-6-25 7189 Plumas Sierra Nevada; Bucks lake north shore. Comment
  UC485752  Agrostis variabilis H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC138372  Aira caryophyllea var. caryophyllea John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1968-6-11 2388 Plumas Sierra Nevada. Butterfly Valley. Comment
  CAS-BOT-BC267063  Alisma Fred Sommers; Greg Sommers 1976-8-12 209 F Plumas 1 km SE of metal bridge, Sierra Valley Marsh Comment
  CHSC108034  Alisma triviale L. P. Janeway 2011-9-22 10735 Plumas Northern High Sierra Nevada. Plumas National Forest; a series of shallow ponds in Secret Diggings, 2.3 km south of La Porte. 1468 Comment
  CAS-BOT-BC131955  Allium W. Harnach; N. Harnach 1990-5-12 294 Plumas Sierra Valley. Wilson brothers ground, south of Marble lane, on Co. Rd. A-23 (the rock pile) 1514 Comment
  UCD138451  Allium bisceptrum G. F. Hrusa; E Sandoval 1993-5-30 11142 Plumas Sierra Valley, Beckwourth-Calpine Rd. approx. 5 m. S Hwy 70 intersection. 1700 Comment
  UC337909  Allium bisceptrum var. bisceptrum Lemmon May 1889 Plumas Mohawk Valley Comment
  CDA32389  Allium campanulatum G. D. Barbe, T. C. Fuller 1982-6-17 3817 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC101844  Allium campanulatum Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15873 Plumas About 1/3 miles (air) west of Lake Almanor Dam, east of Forest Road 27N01Y, gentle slopes south of a small stream. 1462 Comment
  CHSC46521  Allium campanulatum Lowell Ahart 1977-7-9 1458 Plumas Near Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1706 Comment
  JEPS61487  Allium campanulatum W. L. Jepson 1910-6-6 4077 Plumas Pine flats, Hot Springs Valley Hot Springs Valley 1828 Comment
  RSA109811  Allium campanulatum E. K. Balls, Lee W. Lenz 1956-6-19 21843 Plumas Forest Lodge, SW of Greenville. 1128 Comment
  RSA367082  Allium campanulatum Christopher Davidson 1975-6-7 2738 Plumas 4.6 miles N of Greenville on highway 89. 1238 Comment
  SEINET12045785  Allium campanulatum Unknown 1938-1 2321 Plumas Feather River at Chester, near Lake Almanor 1219 Comment
  UC1094744  Allium campanulatum Francia Chisaki 1956-6-1 898 Plumas 5.7 mi e Virgilia (on Highway Alt. #40) Comment
  UC1584013  Allium campanulatum G. Schoolcraft 1990-6-4 2070 Plumas 1 mi w Crescent Mills 1463 Comment
  SJSU15153  Allium lemmonii N. A. Hopkins 1993-6-16 1724 Plumas by Beckwourth-Janesville Rd c. 0.25 mi N of turn to Dixie Valley 1524 Comment
  CAS-BOT-BC472812  Allium obtusum Lowell Ahart 1983-8-17 4328 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., north-east of La Porte 2000 Comment
  CAS-BOT-BC205712  Allium platycaule James R. Shevock 1985-5-19 11163 Plumas Northern Sierra Nevada. Plumas National Forest, along forest road 28N01, 2 miles west of Frenchman Reservoir 1800 Comment
  CAS-BOT-BC474093  Allium platycaule G. D. Barbe 1982-6-9 3657 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley, Plumas National Forest 2057 Comment
  RSA537499  Allium platycaule Barbara Ertter, Gary Schoolcraft 1989-7-3 8654 Plumas North side of Red Rock ca 8 airmiles south of Susanville. 2287 Comment
  CAS-BOT-BC26652  Allocarya ambigens Amos Arthur Heller; P. B. Kennedy 1907-7-2 8682 Plumas Between Vinton and Peckwith Comment
  CDA13381  Allophyllum integrifolium G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13230 Plumas Sierra Nevada; Near headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC34853  Allophyllum integrifolium M. S. Taylor 1981-8-4 4156 Plumas On top of Wildcat Ridge, ca. 4 air mi nw of Antelope Lake, ca. 13 air mi ne of Taylorsville. 2164 Comment
  CHSC63153  Allophyllum integrifolium Lowell Ahart 1994-7-7 7455 Plumas Plumas and Sierra County. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  JEPS28608  Allophyllum integrifolium George W. Gillett 1957-7-17 785 Plumas gully off the inlet to Willow Lake; Lassen Volcanic Nat'l Park 1767 Comment
  RSA164300  Allophyllum violaceum Clare B. Hardham 1961-6-17 7511 Plumas Baxter Creek, south of Susanville. Smells 1677 Comment
  CAS-BOT-BC171363  Alnus incana subsp. tenuifolia David D. Keck 1932-7-3 1652 Plumas Meadow S of Spanish Creek. Quincy. Northern Sierra Nevada 1065 Comment
  HSC93348  Alnus incana subsp. tenuifolia Vernon H. Oswald, L. Ahart 1996-7-15 8043 Plumas E side of Last Chance Marsh at N end of Lake Almanor, 1.4 mi. S of Last Chance Campground, E from the FS Rd. 29N11 1372 Comment
  CAS-BOT-BC137993  Alopecurus geniculatus John Thomas Howell 1961-9-23 36875 Plumas Sierra Nevada. Cooks Creek near Englemine. 1082 Comment
  JEPS115525  Amaranthus californicus Lowell Ahart, John Dittes 2009-9-7 16374 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC13541  Ambrosia acanthicarpa John Thomas Howell 1959-9-25 35025 Plumas Summit of Beckwourth Pass 1588 Comment
  UC1562326  Ambrosia acanthicarpa Vernon Oswald and Lowell Ahart 1990-7-25 4401 Plumas .9 mi e on Hwy 70, (Vinton Cemetery) Vinton; Vinton Cemetery Comment
  JEPS102722 Image available Amelanchier alnifolia var. pumila Lowell Ahart 2001-10-16 9388 Plumas On the NW side of Round Valley Reservoir, just south of the road, about 2 1/2 miles SW of Greenville. 1366 Comment
  CHSC100313  Amelanchier alnifolia var. semiintegrifolia Lowell Ahart 2008-7-9 15057 Plumas Steep north side of a good logging road , north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1645 Comment
  SEINET10483108  Amelanchier pallida Mary Susan Taylor 1982-6-7 Taylor 4613 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
  CAS-BOT-BC136777  Amelanchier utahensis John Thomas Howell 1960-7-19 35685 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC136785  Amelanchier utahensis John Thomas Howell 1973-7-9 49717 Plumas Round Valley 1371 Comment
  CAS-BOT-BC136788  Amelanchier utahensis John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1920 Plumas Butterfly Botanical Area and Vicinity 1066 Comment
  UC1127780  Amelanchier utahensis G. T. Nordstrom 1934-7-17 232 Plumas 1.5 mi s and 0.5 mi e Bucks Mtn.; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  UC726134  Amelanchier utahensis A. A. Heller 1938-5-30 15136 Plumas slopes near Gray's Flat (Feather Highway) 853 Comment
  JEPS48764 Image available Amelanchier utahensis John Warren Duffield 1937-5-26 Plumas 8 mi from Quincy (on country road from Meadow Valley and Quincy, sw Plumas County) Comment
  CAS-BOT-BC213970  Amsinckia A. A. Heller; P. B. Kennedy 1907-7-15 8850 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  UC471166  Amsinckia H. E. Parks 1930-7-13 Plumas on shore of Lake Tagish (Caribou); Caribou Comment
  CHSC41884  Anaphalis margaritacea Lowell Ahart 1986-9-10 5395 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
  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
  SD8181  Anemone quinquefolia Daniel Cleveland July 1882 Plumas Big Meadows Comment
  CHSC89307  Antennaria argentea G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3218 Plumas Sierra Nevada. 1.0 mile south of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). Rhinehart Meadow. 1676 Comment
  JEPS55232  Antennaria argentea Lewis S. Rose 1967-7-11 67161 Plumas 6 mi n Quincy Junction; Mt. Hough Road 1706 Comment
  OBI17078  Antennaria argentea Lewis S. Rose 1967-7-11 67161 Plumas Mt. Hough rd, 6 mi N of Quincy Jctn 1707 Comment
  UC134212  Antennaria argentea Mrs. R. M. Austin 1874-8-1 96 Plumas Black Hawk 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
  JEPS108537  Antennaria dimorpha L. P. Janeway, B. Castro 2006-6-4 8665 Plumas Northern High Sierra Nevada. South side of Squaw Valley, 100 m north of junction of McReynolds Valley Road and Squaw Valley Road 1684 Comment
  CAS-BOT-BC58707  Antennaria geyeri L. P. Janeway; Garrett Gibson 1991-7-11 4973 A Plumas Between Smith Peak and the SW corner of Lake Davis; between Humbug Creek and Dan Blough Creek 1798 Comment
  RSA123402  Antennaria luzuloides E. Sawyer 1935-6-27 210 Plumas Mouth of Dixie Valley 1555 Comment
  CHSC58484  Antennaria media Vernon H. Oswald; Lowell Ahart 1992-7-9 5094 Plumas Lassen Volcanic National Park. A series of three ponds and vernally wet depressions bordering the SW side of the road into Juniper Lake, on the border of Lassen and Plumas counties. 2078 Comment
  JEPS87818  Antennaria rosea subsp. confinis Lowell Ahart 1994-7-22 7501 Plumas about 1/2 mi e Mount Etna (along the n side of the Pacific Crest Trail); e of Mount Etna, n side of Pacific Crest Trail 1981 Comment
  CHSC34332  Anthemis cotula Lowell Ahart 1981-9-6 3072 Plumas Along Indian Creek, ca. 1/2 mi SW of jct of Hwy 89 and Arlington Rd, ca. 1.5 mi SW of Crescent Mills. 1200 Comment
  CHSC81598  Anthemis cotula Lowell Ahart 2001-10-8 9329 Plumas Sand bar, on the west side 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
  UCD123490  Antirrhinum vexillocalyculatum subsp. intermedium D. Sanchez-Mata; R. Rodriguez-Rojo 1997-8-16 s.n. Plumas French Bar-Caribou. Plumas National Forest. Near North Fork of Feather River. 840 Comment
  CHSC102057  Apocynum androsaemifolium Lowell Ahart; John Dittes 2009-7-14 16068 Plumas On dry soil, on the southeast 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
  RSA0035826  Apocynum androsaemifolium Lowell A. Ahart 2008-8-14 15193 Plumas 30 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  SEINET10455396  Apocynum pumilum Lowell Ahart, Peter Ahart 1985-7-1 Ahart 5096 Plumas About 100 yards east of McCarthy Creek and along the road, about 1 mile north of the road to Cleghorn Bar, about 7 miles north- west of Pilot Park. Comment
  RSA101461  Aquilegia formosa R. Weatherby 1955-7-2 1577 Plumas Creek below Bear Ridge, near Taylor Lake. 2073 Comment
  SEINET10965675  Aquilegia formosa Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4335 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  POM99588  Aquilegia formosa var. truncata Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  UC1541460  Arabis H. E. and S. T. Parks Jun 1928 231 Plumas Drakesbad Lassen National Park 1981 Comment
  SEINET10448414  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4476 Plumas T27N R8E ne/se sec 35. Almanor NE quad. Very steep w facing serpentine slope & fill, n side of 27N92, ca. 2 air mi se of Canyon Dam. 5097 ft. 1553 Comment
  RSA0126002  Arabis divaricarpa E. K. Balls 1950-9-2 15626 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. 2104 Comment
  RSA0129658  Arabis holboellii var. pinetorum Michael A. Vincent 1999-6-7 8533 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  RSA88580  Arabis holboellii var. retrofracta L. S. Rose 1954-5-30 54071 Plumas Johnsville 1601 Comment
  SEINET5642054  Arabis puberula Reed C. Rollins, Kathryn W. Rollins 1981-5-29 81161 Plumas 5.2 miles northwest of Beckwourth on road to Genesee.; 0 Comment
  CHSC101921  Arceuthobium abietinum Lowell Ahart; John Dittes 2009-7-14 16069 Plumas North side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Alamanor Reservoir Dam 1677 Comment
  CHSC52540  Arceuthobium abietinum L. P. Janeway 1990-7-26 3817 B Plumas Plumas National Forest. Beckwourth Ranger District. About 3/4 mi west of Emigrant Creek and about 1/4 mi south of Little Grizzly Creek. 1828 Comment
  CAS-BOT-BC407713  Arceuthobium abietinum C. R. Quick 1953-8-1 53 -76 Plumas west of Lake Almanor Comment
  CAS-BOT-BC407730  Arceuthobium abietinum John Thomas Howell 1960-7-20 35784 Plumas between Boiling Springs Lake and Ternimal Geyser 1859 Comment
  CHSC115842  Arceuthobium campylopodum subsp. abietinum Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20417 Plumas On the southwest side of Blue Lake, 2710 feet north of Forest Service Road 29N18, 289 air-miles west-southwest of Sifford Mt., 6.26 air-miles south-southeast of Lassen Peak. 1918 Comment
  SEINET2140125  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-1 2007 -62 Plumas S. end of Long Lake. 2020 Comment
  UCD52221  Arctostaphylos manzanita subsp. roofii James I. Mallory 1967-8-15 276 Plumas Gibsonville Ridge; Plumas National Forest. 1798 Comment
  CAS-BOT-BC38619  Arctostaphylos mewukka subsp. truei John Thomas Howell 1975-7-21 51336 Plumas Injun Jim Campground, Feather River Canyon 609 Comment
  CAS-BOT-BC38623  Arctostaphylos mewukka subsp. truei M. S. Taylor 1982-6-20 4712 Plumas Along Hwy 70 just w of Injun Jim Campground entrance, ca. 4 air mi sw of Belden Comment
  SD147588  Arctostaphylos mewukka subsp. truei John Thomas Howell 1976-4-2 51570 Plumas Injun Jim Campground, North Fork Feather River. 609 Comment
  CAS-BOT-BC40009  Arctostaphylos nevadensis Anna Head 1921-6-25 s.n. Plumas Feather River region, Lake Center camp. Comment
  CAS-BOT-BC40011  Arctostaphylos nevadensis Mrs. Joseph Clemens 1919-10-29 s.n. Plumas Crystal Lake 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
  CHSC76052  Arctostaphylos nevadensis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3263 Plumas Summit of Mount Hough. 2194 Comment
  JEPS48506  Arctostaphylos nevadensis Esther Fritz 1933-7-4 Plumas summit and slopes Spanish Peak 2133 Comment
  UC549519  Arctostaphylos nevadensis J. E. Adams 1934-5-13 817 Plumas Silver Lake 1828 Comment
  UCD52664  Arctostaphylos nevadensis J. I. Mallory 1970-8-3 382 Plumas 1 1/2 miles north of North Valley and 3 miles northwest of Rock Creek Power House. 1463 Comment
  UCD52710  Arctostaphylos nevadensis E. Sawyer 1935-7-9 281 Plumas 2 1/2 miles SSW of Crow. 2072 Comment
  CAS-BOT-BC42099  Arctostaphylos patula Lewis S. Rose 1967-5-7 67068 Plumas Butterfly Creek & Spanish Creek, south of Keddie 883 Comment
  CHSC52935  Arctostaphylos patula subsp. gankinii L. P. Janeway 1989-7-20 3355 Plumas Plumas National Forest. East-facing slope near top of Crocker Mtn, overlooking Red Clover Valley. 2133 Comment
  CAS-BOT-BC47070  Arctostaphylos viscida subsp. viscida John Thomas Howell; Gordon True 1967-5-8 42190 Plumas Near the spring in the Butterfly Botanical Area. 1097 Comment
  UCD23330  Arctostaphylos viscida subsp. viscida E. W. Jameson 1948-11-20 s.n. Plumas 4 mi. north of Quincy. 1097 Comment
  SEINET11993352  Arctostaphylos viscida subsp. viscida W. Knight, Knight, I. 1986-1 5220 Plumas between bridge over north fork of Feather River near Pulga & Jarboe Gap 640 Comment
  CHSC91931  Arenaria aculeata L. P. Janeway 2005-7-31 8510 Plumas Northern High Sierra Nevada. Diamond Mountains, top of spur ridge 0.3 km southwest of Crystal Peak. 2308 Comment
  JEPS125972  Arenaria congesta var. subcongesta D. W. Taylor 2001-6-20 17807 Plumas Plumas National Forest; ridge dividing Middle Creek from Indian Creek, ca 2.5 air miles SSW of Antelope Lake Dam. Comment
  CHSC82499  Arenaria kingii var. glabrescens Lowell Ahart 2002-6-26 9781 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
  SD7867  Aristolochia californica R. M. Austin 1883-1 Plumas Comment
  JEPS113559  Arnica chamissonis Lowell Ahart, John Dittes 2007-6-17 14199 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  CAS-BOT-BC82119  Arnica chamissonis Mary Strong Clemens 1920-7-30 s.n. Plumas Feather River Meadows Comment
  CAS-BOT-BC82225  Arnica chamissonis John Thomas Howell 1977-8-11 52701 Plumas at north end of Frenchmans Reservoir 1706 Comment
  UCD129120  Arnica chamissonis Malcolm A. Nobs; S. Galen Smith 1949-8-18 1396 Plumas Last Chance Marshes, ca. 2 miles north of Lake Almanor, near Chester. Comment
  CHSC33815  Arnica cordifolia M. S. Taylor 1981-6-3 3841 Plumas N side of 24N57, ca. 0.5 mi SE of Little Summit Lake. Ca. 11 mi NW of Portola. 1828 Comment
  RSA724857  Arnica cordifolia B. Castro, Samantha Hillaire 2005-7-7 1488 Plumas Ca. 7 air mi SW of Bucks Lake and 1.5 air mile SE of Soapstone Hill, on Rock Island Ridge. Ca 2 mi SE of the Oro-Quincy Hwy on USFS Rd 23N18, on W side of road at jct of the 'D' spur road. 1585 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
  CAS-BOT-BC295857  Arnica dealbata Ella Dales Cantelow 1941-7-20 3514 Plumas 10 mi. s. of Quincy on rd. to La Porte 1981 Comment
  RSA59698  Arnica discoidea E. K. Balls 1950-9-9 15767 Plumas 1.5 mi. along trail from Lakes Center Public Campground to Long Lake outlet 2073 Comment
  JEPS102268  Arrhenatherum elatius L. P. Janeway 1996-6-20 5026 Plumas Northern High Sierra Nevada. Along Road 25N17 (road from Virgilia to Meadow Valley) 0.3 mi from Road 25N20, in total 1.9 mi from railroad crossing and East Branch North Fork Feather River. 1066 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
  RSA122486  Artemisia arbuscula subsp. arbuscula C. G. Albertus 1935-8-22 273 Plumas 2.5 miles S of Bagley pass 1768 Comment
  CAS-BOT-BC84874  Artemisia cana subsp. cana E. K. Balls 1950-9-2 15664 Plumas Along Grizzly Creek, about Grasshopper Flat, road from ramelli to Walker Mine. 1828 Comment
  CHSC81601  Artemisia dracunculus Lowell Ahart 2001-10-8 9328 Plumas On the west side of Indian Creek, about 400 yards south of Arlington Road, about 150 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CHSC32022  Artemisia tridentata Lowell Ahart 1974-10-1 651 Plumas N of Pilot Peak on W part of Buzzards Roost Ridge, 1 mi N of Onion Valley, ca 10 mi N of La Porte. 1981 Comment
  CHSC53686  Artemisia tridentata subsp. tridentata L. P. Janeway 1989-7-13 3488 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 1/4 mi SW of Beckwourth-Genesee Rd (rd 111) 11.3 mi from Beckwourth. 1699 Comment
  CHSC110253  Artemisia tridentata subsp. vaseyana L. P. Janeway 2012-10-17 11079 Plumas Northern High Sierra Nevada. Plumas National Forest; along La Porte-Quincy Road 2.1 road km north of Onion Valley Creek; up-per east-facing flank of Fingerboard (Peak). 1963 Comment
  CAS-BOT-BC400772  Asarum lemmonii Lewis S. Rose 1963-6-3 63113 Plumas Butterfly Valley, 2 mi. sw. of Keddie 1188 Comment
  UC485737  Asclepias cordifolia H. E. and S. T. Parks June, 1928 226 Plumas Drakesbad Lassen National Park Comment
  UC54561  Asclepias cordifolia H. M. Hall and E. B. Babcock July 1903 4455 Plumas Red Clover Creek Sierra Nevada Mountains 1524 Comment
  RSA401667B  Asclepias cordifolia Miss Hutchinson 1910-1 s.n. Plumas Lake Tahoe. Comment
  SEINET10890220  Asclepias fascicularis R. M. Austin Austin s.n. Plumas Plumas Co. Comment
  JEPS115173  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
  CHSC33889  Aspidotis densa M. S. Taylor 1981-5-8 3651 Plumas At jcts of rds 26N18, 26N92 and 27N92, ca. 0.5 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. S07 NW1/4 of NE1/4. 1615 Comment
  JEPS120177  Aspidotis densa Lowell Ahart 2012-7-1 18248 Plumas About 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  JEPS28598  Aspidotis densa George W. Gillett 1957-7-13 763 Plumas below Sifford Lakes (on direct route to Devils Kitchen); Lassen Volcanic Nat'l Park 2057 Comment
  JEPS60033  Aspidotis densa W. I. Follett 1937-8-20 Plumas Rich Gulch 1280 Comment
  CAS-BOT-BC97465  Aster Clare B. Hardham 1978-8-11 21814 Plumas About 5 mi. ne. of Antelope Reservoir on road to Janesville Comment
  CAS-BOT-BC97468  Aster M. S. Taylor 1982-9-8 5111 Plumas Greenville SW quad. S side of Round Valley Reservoir, ca. 4 mi s of Greenville 1371 Comment
  RSA796051  Aster breweri L. Ahart 2011-9-20 17678 Plumas Along the poor dirt road on the north side of Pilot Peak, about 9 air miles northeast of La Porte. 2073 Comment
  RSA52898  Aster breweri R. Weatherby 1950-8-11 1519 Plumas Lakes Basin Area; Mt. Elwell 2287 Comment
  SEINET10872011  Aster breweri Mary Susan Taylor 1981-7-22 Taylor 4099 Plumas T24N R11E sw sec 9, Spring Garden quad. In Red Fir Forest; E side of 26N21- Grizzly Peak Rd, just S of Argentine Lookout turnoff, ca. 5 air mi N of Spring Garden. 6900 ft elev. 2103 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
  HSC100779  Aster eatonii Lowell Ahart, John Dittes 2009-8-28 16353 Plumas N side of F.S. Rd. 27N98, headwater of Clear Creek, 2 (air) mi. N of Butt Valley Reservoir Dam and 3 (air) mi. SW of Lake Almanor Reservoir Dam. 1477 Comment
  SEINET10872006  Aster elatus Mary Susan Taylor 1982-8-4 Taylor 4915 Plumas T25N R10E nw/se sec 23. Greenville SE quad. ALong spring on n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 6200 ft. 1890 Comment
  RSA716701  Aster occidentalis var. occidentalis L. Ahart, John Dittes 2005-9-20 12434 Plumas North of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2042 Comment
  RSA794958  Aster oregonensis L. Ahart, John Dittes 2009-7-27 16183 Plumas About 20 yards north of the poor dirt road, about 10 yards west of a small pond. Headwaters of Grizzly Gulch, 2.1 air miles northeast of Butt Valley Reservoir Dam. 1480 Comment
  CDA14016  Aster oregonensis subsp. californicus G. F. Hrusa, B. Smith 1996-8-1 13481 Plumas Sierra Nevada; Plumas National forest. USFS Butterfly Botanical Area Comment
  CHSC60068  Aster radulinus B. Castro; J. Jurewicz 1992-10-15 460 Plumas Ca 1.5 road mi NW of Grizzly Summit on NW side of USFS Rd 23N73Y, along old skid trail ca 60 ft above tributary to Foreman Ck. 1676 Comment
  CHSC82531  Aster radulinus L. P. Janeway 2001-7-3 7268 Plumas Northern High Sierra Nevada. Top of south-southwest facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  CHSC91919  Aster radulinus Lowell Ahart; Josephine Guardino 2005-8-10 12302 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
  RSA715589  Aster radulinus L. P. Janeway 1994-8-24 4748 Plumas Northern High Sierra Nevada. Small tributary of South Fork Rock Creek at Deanes Valley Campground 1299 Comment
  CHSC63141  Astragalus bolanderi Lowell Ahart 1994-6-29 7420 Plumas East of Frenchman Hill, east of Oroville Quincy Highway, south-west of Bucks Lake. 1828 Comment
  CAS-BOT-BC177553  Astragalus bolanderi Robert J. Weatherby 1955-7-26 1664 Plumas On ridge north of Spanisih Peak 2103 Comment
  SEINET5324525  Astragalus lemmonii W. Harnach, N. Harnach 2000-6-14 908 Plumas Approx 1/2 mile west of County Road A-24, 2.5 miles north of Loyalton, CA. 1490 Comment
  CHSC60533  Astragalus lentiformis L. P. Janeway 1992-5-13 4172 Plumas Plumas National Forest. North side of Lake Davis and 950 ft north of Rd 112, ca 7 mi northwest of the road to the dam. 1780 Comment
  SEINET5325465  Astragalus lentiformis W. Harnach, N. Harnach 1999-5-30 878 Plumas Gold Mtn. Development on Co Rd A-15 W of Portola, California Comment
  CAS-BOT-BC187164  Astragalus lentiginosus var. floribundus L. P. Janeway; Jannice Cutler 1992-5-28 4207 Plumas Southwest side of Dotta Canyon 1.1 mi southeast of Beckwourth-Genesee Road 1685 Comment
  CHSC52412  Astragalus purshii L. P. Janeway 1989-6-26 3401 Plumas Plumas National Forest. Ridgetop between Crocker Mdw and the head of Mapes Cyn. 1844 Comment
  CHSC102655  Athyrium filix-femina var. cyclosorum Lowell Ahart; John Dittes 2009-8-28 16350 -A Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  RSA0039308  Athyrium filix-femina var. cyclosorum Lowell Ahart 2008-8-14 15208 Plumas About 150 yards northeast of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1600 Comment
  CDA43426  Avena barbata Willow Vieira 2015-6-4 PDR# 320 P6131685 Plumas Caribou. 0 Comment
  CAS-BOT-BC100041  Balsamorhiza deltoidea Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1952 Plumas Fern Glen 1097 Comment
  CHSC42081  Balsamorhiza deltoidea Kimber Hostetter 1986-4-12 12 Plumas On Hwy 89, 3.2 km from Hwy 70 Greenville turnoff, ca. 16 km S of Greenville. 1475 Comment
  CHSC75900  Balsamorhiza macrolepis var. platylepis G. F. Hrusa 1997-5-30 13850 Plumas 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508) /and Sloat Rd. (to S). [Original lat./long. on label is '39 53 N; 120 42 W']. 1450 Comment
  CAS-BOT-BC16563  Barbarea orthoceras Alice Eastwood 1909-1-1 105 Plumas Lake Tahoe Region. Ward Creek. 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
  POM199252  Beckmannia syzigachne H. S. Yates 1912-7-5 s.n. Plumas Charles Creek, Portola. 1524 Comment
  CAS-BOT-BC102175  Bidens cernua Lewis S. Rose 1934-7-23 34406 Plumas Vinton 1524 Comment
  JEPS32522  Bidens cernua W. L. Jepson 1918-8-16 8011 Plumas Engels Lights Creek 1341 Comment
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  RSA246636  Bidens cernua R. F. Thorne 1972-9-20 42311 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  UCR45296  Bidens frondosa R. D. Goeden 1986-9-10 s.n. Plumas Northern Sierra Nevada, NE shore of Round Valley Reservoir 3 miles south of Greenville, Plumas Nat. Forest 1375 Comment
  OBI43752  Bidens frondosa R. D. Goeden 1986-9-10 s.n. Plumas NE shore of Round Valley Reservoir, 3 mi S of Greenville, Plumas Natl forest 1372 Comment
  CAS-BOT-BC413051  Bistorta bistortoides A. A. Heller; P. B. Kennedy 1907-7-9 8793 Plumas Prattville Comment
  CAS-BOT-BC413057  Bistorta bistortoides Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC63264  Bistorta bistortoides Lowell Ahart 1994-6-12 7321 Plumas Near Cedar Flat, on the west side of Faggs Mine Road, south-west of a small branch of Willow Creek, about 1 1/4 miles (air) south of Bucks Lake. 1706 Comment
  SEINET7379381 Image available Blepharipappus scaber W. Harnach, N. Harnach 1989-5-27 118 Plumas Sierra Valley. Turnoff of Marble Lane and Co. Rd. A-23 1490 Comment
  JEPS100329  Boechera Dean Wm. Taylor and Barbara Ertter 2001-7-18 17834 Plumas 1.5 mi N of upper end of Frenchman Reservoir (Diamond Mountains, meadow tributary to Little Doyle Creek, along Forest Road 25N71 1.4 mi E of Forest Road 25N11); Feaather River Watershed 1783 Comment
  RSA0125984  Boechera A. A. Heller 1942-5-8 16453 Plumas 3 miles W of Belden; along Hwy 24. Comment
  SFV10382  Boechera arcuata M. L. Vincent 1964-4-8 517 Plumas Sierra Nevada Near North Fork Bridge 9-02. 580 Comment
  CAS-BOT-BC16128  Boechera constancei M. S. Taylor 1981-5-8 3649 Plumas At junctions of roads 26N18, 26N92 and 27N92, ca. 0.5 mile east of Long Valley Mine, ca. 4 air miles west of Greenville. 1615 Comment
  CAS-BOT-BC13856  Boechera inyoensis M. S. Taylor 1982-7-21 4893 Plumas Ca. 5 miles southeast of Quincy. Around south end of Bachs Creek Ridge. 1752 Comment
  UCSB23766  Boechera lemmonii Hardham, Clare 1961-6-16 Plumas Diamond Peak Comment
  SEINET4339632  Boechera peirsonii C. D. Bailey 2009-7-21 291 -C. D Plumas Sierra Nevada: Plumas National Forest, in the Lakes Basin area west of Graeagle and east of Sierra City. Southeastern side of Mt. Elwell. 2083 Comment
  CHSC10726  Boechera pendulocarpa Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  CAS-BOT-BC14469  Boechera platysperma John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54268 Plumas Sierra Nevada. Rocky summit ridge, Mount Hough. 2203 Comment
  CAS-BOT-BC14473  Boechera platysperma Lowell Ahart 1986-7-15 5365 Plumas Sierra Nevada. South Fork of the Feather River, ca. 1 mile southwest of Pilot Peak. 1828 Comment
  CAS-BOT-BC14663  Boechera rectissima A. A. Heller; P. B. Kennedy 1907-7-11 8809 Plumas Prattville. Comment
  SEINET12627117 Image available Boechera retrofracta Martin Schilling 2013-1 MS 163 Plumas Little Volcano, 5.6 air miles S of Quincy, 270 ft S of Little Volcano, 160 ft NW of Limestone Point, on rocky S-facing slope 1728 Comment
  CHSC41182  Boechera sparsiflora J. D. Jokerst 1984-5-14 2015 Plumas On ridge top. Ridge represents the top of the canyon slope above Ward Creek, SW of Genesee Valley. 1584 Comment
  UCD114379  Boechera sparsiflora M. Vincent 1964-4-8 517 Plumas Near North Fork bridge. Comment
  UCSB63924  Boechera sparsiflora Jokerst, James 1987-5-28 Plumas Ward Creek Canyon; T25N R11E center S1/2 Sect. 23 1463 Comment
  CAS-BOT-BC25880  Boechera subpinnatifida John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1969-6-24 2440 Plumas Butterfly Botanical Area and Vicinity. From vicinity of mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC25906  Boechera suffrutescens John Thomas Howell; Gordon H. True 1967-7-11 43348 Plumas Sierra Nevada. Summit ridge of Mount Hough. 2194 Comment
  CHSC62344  Boechera suffrutescens B. Castro; L. Hanson 1989-8-17 402 Plumas Ca 13 air mi E of Greenville, ca. 2.5 mi N of Kettle Rock, in the Mud Lake Research Natural Area within Plumas National Forest. 2042 Comment
  CHSC88964  Boechera suffrutescens L. Hanson 1988-7-26 328 Plumas Plumas National Forest. Red Hill Lookout. 1920 Comment
  CHSC89310  Boechera suffrutescens G. Douglas Barbe; T. C. Fuller 1982-6-15 3730 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  POM181043  Boisduvalia densiflora A. A. Heller, B. B. Kennedy 1907-7-16 8863 Plumas Genessee valley near Genessee Comment
  RSA726340  Boisduvalia densiflora var. densiflora L. Ahart, Josephine Guardino 2007-7-20 14352 Plumas Strand of Lake Davis, about 100 yards southeast of Long Point, northeast side of Lake Davis. 1764 Comment
  NY144278  Botrychium californicum R. M. Austin 1897-7-2 s.n. Plumas Near Quincy Comment
  CHSC82519  Botrychium minganense Lowell Ahart 2002-7-6 9839 Plumas In the large meadow are three large aspens in a south to north line, go west about 40 yards to the small lodgepole pine, about 20 feet to the north is a bracken fern bank, moonwort is just before the bracken fern and a little east, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1608 Comment
  CHSC82538  Botrychium simplex var. compositum Lowell Ahart; John Dittes 2002-6-17 9728 Plumas In meadow, about 150 yards south of the road, about 3/4 mile (air) 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. 1716 Comment
  CHSC82552  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9864 Plumas Meadow, about 100 yards south of the road to Tamarack Flat, on the north side of a small branch of Fall River, about 1/8 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1714 Comment
  CHSC82556  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9866 A Plumas In a meadow, on the south side of a small upper branch of Fall River, about 100 yards north of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 1/4 mile southwest 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, about 4 1/2 miles (air) northwest of La Porte. 1701 Comment
  CAS-BOT-BC127777  Brickellia grandiflora John Thomas Howell 1926-7-26 2117 Plumas Near Prattville 1524 Comment
  CHSC80799  Brickellia greenei Lowell Ahart 2001-7-17 8931 Plumas Outcrops, on the southeast side of a logging road, southeast of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  CAS-BOT-BC478970  Brodiaea californica subsp. californica H. C. Cantelow 1949-6-11 6 Plumas Feather River Canyon 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
  SD46479  Brodiaea minor Robert J. Weatherby 1955-7-15 1642 Plumas Locally common in clay in dry meadow. Quincy Ranger Station, USFS, Quincy. 1067 Comment
  SEINET10866737  Brodiaea purdyi Combs 1902-7-7 COMBS s.n. 1902 Plumas Prattville, Calif. Comment
  CHSC21703  Bromus F. T. Griggs; A. Pass 1975-8-1 283 Plumas Lower Bucks Lake. Comment
  CAS-BOT-BC149320  Bromus carinatus var. carinatus John Thomas Howell 1959-9-21 34829 Plumas Sierra Nevada. Greenville. 1088 Comment
  UCSC000046  Bromus carinatus var. carinatus A. E. Wieslander 1933-6-11 316 Plumas 1.5 miles W. of Kerby - Sierraville 46 Comment
  CAS-BOT-BC148713  Bromus carinatus var. marginatus John Thomas Howell 1955-7-20 30829 Plumas Sierra Nevada. Mohawk. 1371 Comment
  CHSC100311  Bromus ciliatus Lowell Ahart 2008-7-16 15075 Plumas Forest floor, edge of a seep, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CHSC100348  Bromus ciliatus Lowell Ahart 2008-8-13 15184 Plumas East of La Porte Road, along the sides of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  HSC9165  Bromus commutatus L. S. Rose 1968-6-10 68087 Plumas Quincy Meadow 1037 Comment
  UCD58461  Bromus commutatus John Thomas Howell 1961-6-21 36666 Plumas Sierra Nevada. Greenville. 1097 Comment
  UCD107476  Bromus hordeaceus Tim Kuhn 2006-6-13 30 Plumas south of Frenchman Lake. Comment
  CHSC70209  Bromus inermis subsp. inermis L. P. Janeway 1997-5-7 5109 Plumas East side of Red Clover Creek at 'Drum Bridge' 2.7 mi southeast of Indian Creek. 1225 Comment
  CHSC110414  Bromus japonicus Lowell Ahart 2012-7-1 18258 Plumas On the sides and in the gutter of the dirt road to the large pipe, about 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. 807 Comment
  RSA795663  Bromus japonicus L. Ahart 2012-7-1 18258 Plumas On the sides and in the gutter of the dirt road to the large pipe, about 0.25 miles east of Caribou Road, about 3.5 air miles northeast of Belden. 808 Comment
  CAS-BOT-BC155326  Bromus laevipes s.n. Plumas Sierra Valley. Comment
  CAS-BOT-BC162150  Bromus orcuttianus John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1968-6-11 2352 Plumas Sierra Nevada. Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek. 883 Comment
  SACT000624  Bromus orcuttianus H. Skidmore 1934-6-5 Plumas 2011.0 Comment
  UC1131112  Bromus orcuttianus G. T. Nordstrom 1934-7-9 209 Plumas 1 1/4 mi se of Mount Ararat (Plumas National Forest); Plumas National Forest 1584 Comment
  CAS-BOT-BC161353  Bromus tectorum Clare B. Hardham 1970-8-9 17716 EE Plumas Road to Thompson Peak Lookout. 2133 Comment
  CAS-BOT-BC185648  Bromus tectorum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2084 Plumas Butterfly Botanical Area and Vicinity. Area near spring. 1127 Comment
  CDA5380  Buddleja davidii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .266 Plumas About 20 miles east of Oroville on edge of canyon oak forest along roadcuts. Mark 84 Comment
  CHSC65876  Calamagrostis canadensis L. P. Janeway 1995-10-11 4941 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. Meadow drainage. 1923 Comment
  CHSC96057  Calamagrostis canadensis L. P. Janeway; B. Castro 2006-9-9 8884 Plumas High Cascade Range. About 200 m east of Jedidiah Colter Lake (between Blue Lake and North Arm Rice Creek). Broad flat meadow informally named Sheeba's Meadow. 1969 Comment
  UCD148558  Calamagrostis koelerioides G. Ledyard Stebbins 1986-6-29 C 609 Plumas Approximately 5 miles north of the town of Meadow Valley. Along Forest Service road no. 25 N-17, above Bean Creek. (Exact location unknown. Coordinates estimated by label maker). 1420 Comment
  RSA59401  Calamagrostis stricta subsp. inexpansa E. K. Balls 1950-9-8 15719 Plumas Lakes Center Public Camp. 2043 Comment
  SEINET10962336  Calandrinia ciliata var. menziesii Mary Susan Taylor 1982-6-21 Taylor 4708 Plumas T23N R11E ne/nw sec 30. Blue Nose Mt quad. Between small creek and Eureka Ridge Rd (23N09), ca. 1/4 mi w of spring, w slope of White Cap, ca. 3 air mi sw of Sloat. 6100 ft. 1859 Comment
  RSA52886  Callitriche verna R. Weatherby 1950-9-1 1527 Plumas Above Hellgramite Pond near Long Lake. Lakes Basin Area. 2226 Comment
  UC1028655  Callitriche verna Robert J. Weatherby 1955-8-12 1684 Plumas below Spanish Peak (meadow on upper Clear Creek) 1828 Comment
  CAS-BOT-BC85763  Calocedrus decurrens W. R. Dudley 1909-8-1 s.n. Plumas Sierra Valley Comment
  CHSC94969  Calocedrus decurrens Lowell Ahart 2006-9-28 13387 Plumas On the west side of the North Fork of the Feather River, on the west side of Highway 70, at Indian Jim Campground, about 3/4 mile southwest of Chambers Creek. 646 Comment
  CDA18573  Calochortus coeruleus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3322 Plumas Sierra Nevada; 2.8 miles north-northeast of Engle Mine townsite on Diamond Mountain Road, between the road and Lights Creek. 1341 Comment
  CDA18591  Calochortus coeruleus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3274 Plumas Sierra Nevada; 1.3 miles below Mt. Hough summit, returning to junction with China Grade. 2042 Comment
  JEPS105976  Calochortus coeruleus Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11003 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  CAS-BOT-BC487774  Calochortus coeruleus John Thomas Howell; Gordon H. True 1967-7-11 43358 Plumas Southeast slope of Mt. Hough, Sierra Nevada 2042 Comment
  CAS-BOT-BC490272  Calochortus leichtlinii Anna Head 1921-7-15 s.n. Plumas Lake Center Camp, Feather River region Comment
  CAS-BOT-BC491833  Calochortus leichtlinii John Thomas Howell 1960-7-19 35687 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC491840  Calochortus leichtlinii Janet Jones 1980-7-16 215 Plumas Frazier Falls area 1828 Comment
  CAS-BOT-BC483476  Calochortus minimus Mary Strong Clemens 1920-6-28 s.n. Plumas Quincy Comment
  CAS-BOT-BC483479  Calochortus minimus A. A. Heller 1915-7-7 12066 Plumas Near the summit of Soapstone Ridge, 12 miles west of Bucks in the Sierra Nevada 1676 Comment
  CAS-BOT-BC483480  Calochortus minimus A. A. Heller 1915-7-7 12066 Plumas Near the summit of Soapstone Ridge, 12 miles west of Bucks in the Sierra Nevada 1676 Comment
  CHSC98577  Calochortus nudus L. P. Janeway 2007-6-3 9026 Plumas Northern High Sierra Nevada. South-facing slope near top of eastern end of Red Mountain, near Road 23N69 1.1 km northwest of Road 18. Rocky serpentine/gabbroic soil. 1884 Comment
  JEPS103269  Calochortus nudus Lowell Ahart 2002-7-6 9847 Plumas In small meadows, about 50 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile SW of Grizzly Mountain, about 2 miles (air) SW of Haskins Valley and Bucks Lake. 1844 Comment
  CAS-BOT-BC493419  Calochortus nudus Lowell Ahart 1982-7-30 3735 Plumas Area along the edge of the dirt road, about 2 miles north of Ohio Ravine, about 3 miles north of the Hardquartz mine, about 4 miles south of Bucks lake 1700 Comment
  UCD105973  Calochortus superbus Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 1524 Comment
  CDA18434  Calochortus tolmiei G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3127 Plumas Long Valley; 3.25 mi west of Round Valley Reservoir Dam; 0.25 mil east of jct with road to Canyon Dam (i.e. south arm of Lake Almanor). 1633 Comment
  SD7979  Caltha howellii Mrs. R. M. Austin 1880-1 Plumas Mt. Dyer, Big Meadows 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
  UC1075703  Calyptridium monospermum Robert J. Weatherby 1955-6-22 1533 Plumas road to Spanish Peak lookout 1828 Comment
  UC942961  Calyptridium monospermum Lewis S. Rose 1951-6-29 51079 Plumas Feather River, Rock Creek Feather River; , Rock Creek 550 Comment
  CDA18485  Calyptridium umbellatum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3371 Plumas Sierra Nevada; Walker Plains. Basalt formation along the Plumas-Butte county line. 1554 Comment
  UC1136660  Calyptridium umbellatum E. Sawyer 1935-5-22 20 Plumas 3/4 mi sw of Beckwith Butte 1493 Comment
  CDA18586  Calystegia occidentalis subsp. occidentalis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3284 Plumas Sierra Nevada; 0.7 mile south of Arlington Road, (Main Street, Taylorsville) on Beckwourth-Greenville Road, east of Taylorsville. 1112 Comment
  CHSC87830  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
  UC119746  Camassia quamash subsp. breviflora Mrs. R. M. Austin 409 Plumas California Comment
  CAS-BOT-BC160850  Camissonia tanacetifolia subsp. quadriperforata Lewis S. Rose 1934-7-23 34411 Plumas Chilcoot, Sierra Valley 1522 Comment
  SEINET10973112  Camissonia tanacetifolia subsp. tanacetifolia Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3890 Plumas T24N R14E sw sec 7, Crocker Mt quad. Jct of Genesee-Beckwourth Rd and private ranch rd, just W of Clover Valley Ranch, ca. 11 air mi NW of Beckwourth; elevation ca. 5400 ft. 1646 Comment
  JEPS11845  Campanula prenanthoides John Thomas Howell 1926-7-31 2178 Plumas near Prattville 1463 Comment
  UC924238  Campanula prenanthoides H. S. Reed 1941-7-31 Plumas Forest Lodge 1066 Comment
  SEINET10462996  Campanula prenanthoides Austin AUSTIN s.n. Plumas Badger Hill Comment
  CAS-BOT-BC37132  Capsella bursa-pastoris Mary Strong Clemens 1920-2-25 s.n. Plumas Crescent Mills. Comment
  CAS-BOT-BC37241  Cardamine breweri John Thomas Howell 1960-7-22 35874 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  JEPS96903  Cardamine californica Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15943 Plumas Feather River Canyon; Hwy 70 2 road miles W of bridge over the river at Pulga; Plumas National Forest 579 Comment
  RSA0092972  Cardamine californica Bonnie C. Templeton 1968-6-8 11216 Plumas Twain Rd., west of Butterfly Valley, ca 10 mi. west of Quincy. Comment
  JEPS48776  Cardamine nuttallii var. covilleana J. W. Duffield 1937-5-23 Plumas se Bucks Lake (near Bear Creek, sw Plumas County); near Bear Creek, se of Bucks Lake Comment
  JEPS117925  Cardamine pachystigma John Dittes 2005-7-4 1195 Plumas drainage of Lights Creek ca. 10.8 air miles northeast of Taylorsville ca. 7.3 air miles southwest Diamond Mountain ca. 4.2 air miles east of Moonlight Peak east of Lght Creek; Cascade Range 1295 Comment
  JEPS96797  Cardamine pachystigma Dean Wm. Taylor and Glenn L. Clifton 1997-4-9 15945 Plumas Feather River Canyon; along Highway 70 at Rich Bar; Plumas National Forest 640 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
  CAS-BOT-BC38093  Cardamine pachystigma John Thomas Howell; Gordon H. True 1967-5-9 42217 Plumas Sierra Nevada. Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  CAS-BOT-BC18363  Carex John Thomas Howell; Gordon H. True 1969-6-23 45829 Plumas Sierra Nevada. On Middle Fork of Feather River at Nelson Point. 1249 Comment
  CHSC105510  Carex abrupta Lowell Ahart 2010-10-21 17304 Plumas On dry rocky soil, along a small wash, open dry meadow, about 80 yards northwest of the spring, on the north 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
  CAS-BOT-BC17843  Carex amplifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1494 Plumas Butterfly Botanical Area and VIcinity. Fern Glen. 1097 Comment
  CDA15914  Carex amplifolia B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; Upper Bull Run Creek off USFS 23N12E. Comment
  UCD140098  Carex angustata John Thomas Howell 1960-7-23 35962 Plumas Drakesbad, Lassen Volcanic National Park. Dream Lake. 1676 Comment
  CAS-BOT-BC17933  Carex angustata John Thomas Howell 1951-6-27 27601 Plumas Sierra Nevada. McRae Meadow. 1981 Comment
  CHSC20769  Carex athrostachya K. R. Stern 1975-7-24 5866 Plumas s shore of Lake Almanor. 1371 Comment
  CHSC40270  Carex athrostachya Lowell Ahart 1985-7-3 5099 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
  JEPS113737  Carex athrostachya Lowell Ahart, John Dittes 2007-6-17 14165 Plumas West bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  SEINET4292089 Image available Carex athrostachya L. Ahart, Dittes, J 2005-1 12397 Plumas Red Fir Forest. Below the high water line of Taylor Lake, on the northeast side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. Comment
  SEINET10585099  Carex athrostachya David Castaner 1984-5-28 Castaner 8059 Plumas Almanor, Along highway 89. Comment
  CHSC88228  Carex bolanderi Lowell Ahart 2004-7-27 11312 Plumas At the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  JEPS102674  Carex bolanderi Lowell Ahart 2001-7-19 8947 Plumas On the sides of Hopkins Creek, about 100 yards NW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  JEPS107600  Carex bolanderi Lowell Ahart, Josephine Guardino 2005-8-10 12319 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
  CAS-BOT-BC19634  Carex brainerdii John Thomas Howell 1951-6-28 27714 Plumas Eureka Peak. 2255 Comment
  CHSC41155  Carex brainerdii J. D. Jokerst 1984-6-13 2046 Plumas South of Grizzly Creek, ca 30 meters north of spur 'C' of USFS logging road 26N08, ca 2 air miles east of Peacock Point. 1432 Comment
  CHSC53655  Carex brainerdii L. P. Janeway 1987-5-28 2102 Plumas Along Hwy 36 0.2 mi E of turn to N Shore Lake Almanor and Almanor Peninsula. 1493 Comment
  RSA201329  Carex brainerdii J. T. Howell 1960-7-22 35912 Plumas Drakesbad. Devils kitchen 1677 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
  SEINET3909297  Carex brainerdii Lewis S. Rose 1967-6-12 67109 Plumas Butterfly Valley, ca. 3 mi. W. of Keddie.; 0 1219 Comment
  CAS-BOT-BC19631  Carex brainerdii Hans Leschke 1957-7-13 758 Plumas Lassen Volcanic National Park. Below Sifford Lakes at head of Drakesbad Valley. 2057 Comment
  SEINET10752412  Carex brainerdii Lewis S. Rose 1969-6-23 Rose 69043 Plumas 8 mi, SW of Quincy. La Porte Road. 1311 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
  UC1594690  Carex canescens Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5039 Plumas via Gold Lake Forest Hwy. (County Rd. 519) ca 5 mi (air) ssw Graeagle (w end Grass Lake, located just w of Lakes Basin Campground); Grass Lake 1926 Comment
  CHSC108040  Carex capitata L. P. Janeway; B. Castro 2011-10-2 10751 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
  JEPS121734  Carex cusickii L. P. Janeway 2014-7-16 11547 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the middle of Happy Valley. Comment
  CHSC47133  Carex douglasii L. P. Janeway 1989-6-15 3318 Plumas Plumas National Forest. Pond across road from springy slope; jct of roads 111 (Beckwourth-Genesee Rd) and rd 24N49Y; near north end of Crocker Valley. 1730 Comment
  CAS-BOT-BC20080  Carex echinata John Thomas Howell 1959-9-23 s.n. Plumas 3 miles from Juniper Lake on road to Chester. 1889 Comment
  JEPS110426  Carex echinata subsp. echinata Lowell Ahart 2006-7-9 12916 Plumas Small bog or wet meadow, below the basalt gravel road, about 2 miles (air) west of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir 1648 Comment
  RSA286272  Carex echinata subsp. echinata Robert F. Thorne 1974-7-30 45008 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  RSA286341  Carex feta Robert F. Thorne 1974-7-30 45007 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  CDA33073  Carex feta G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3163 Plumas Long Valley, 0.4 mile south of junction of Dixie Canyon-Round Valley and Canyon Dam Roads, at Maxwell Mine Road. Comment
  JEPS106380  Carex filifolia var. erostrata Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11060 Plumas Near the west shore of Lake Davis, north of the dirt road at Lake Davis, about 12 miles (air) northeast of Slote 1765 Comment
  CHSC109664  Carex hassei Lowell Ahart 2012-7-1 18263 Plumas On the east side of the dirt road to the large pipe, about 1/4 mile east of Caribour Road, about 3-1/2 miles (air) northeast of Belden. 807 Comment
  UCD140424  Carex heteroneura G. F. Hrusa; T. D. Wilfred 1996-8-1 13452 Plumas Brady's Camp. Pine Creek Valley, ca. 1/2 mile NE Argentine Rock. Comment
  CHSC77167  Carex heteroneura var. heteroneura G. Douglas Barbe; T. C. Fuller 1982-6-16 3790 Plumas Plumas National Forest. Meadow below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  CHSC105970  Carex hoodii Lowell Ahart 2010-10-21 17303 Plumas Open dry meadow, about 100 yards northwest of the spring, on the north 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
  SEINET7562372 Image available Carex infirminervia Robert F. C. Naczi, Lawrence P. Janeway 2004-7-24 10540 Plumas Ca 14 mi WSW of village of alma nor, along tributary of Butt Creek, W of Humboldt Road (county route 308). 1747 Comment
  CDA17784  Carex integra G. D. Barbe, T. C. Fuller 1982-6-16 3788 Plumas Plumas National Forest; Below Mud Lake, 3/4 mile NE of Eisenheimer Peak. Plumas National Forest. 2097 Comment
  CAS-BOT-BC35507  Carex jonesii John Thomas Howell 1960-7-19 35632 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  JEPS107609  Carex jonesii Lowell Ahart, Josephine Guardino 2005-8-10 12323 Plumas Bog in small wet meadow, 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
  UC1594587  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
  CHSC43521  Carex lemmonii Lowell Ahart 1979-8-16 2016 Plumas Small bog, about 100 yards east of Ohio Ravine and the dirt road, about 2 1/2 miles south of Grizzly Mountain. 1584 Comment
  CHSC91718  Carex lemmonii G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16290 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: bog edges. 1158 Comment
  JEPS95336  Carex lemmonii Lowell Ahart 1994-6-15 7342 Plumas 200 yds E of a logging road, near the int. of Lumpkin Ridge Road and the road to Tamarack Flat, 1 air mile W of Little Grass Valley Reservoir 1767 Comment
  CHSC47142  Carex lenticularis var. impressa Henricus Jansen 1989-6-22 Plumas Soldier Creek. 1371 Comment
  CHSC84929  Carex lenticularis var. lipocarpa L. P. Janeway; B. Castro 2003-9-6 7976 Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. 2057 Comment
  CHSC97616  Carex lenticularis var. lipocarpa Lowell Ahart; John Dittes 2007-6-17 14198 Plumas On wet soil, along 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-BC31490  Carex leptopoda L. P. Janeway 1989-6-22 3367 Plumas Crocker Mtn. quad. Slopes between Crocker Mtn. and Crocker Mdw along Rd 24N49Y. 1804 Comment
  RSA715531  Carex limosa L. P. Janeway, B. Castro 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. 1896 Comment
  SEINET10706979  Carex limosa Vernon H. Oswald, Lowell Ahart; L. Hanson 1989-7-31 Oswald 3903 Plumas T22N R9E nw/nw/S17, Freshwater Marsh in Red Fir Forest. Lake at the headwateres of Fowler (Slatez) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. Common on a small floating bog. 1670 Comment
  CHSC110372  Carex luzulina Lowell Ahart 2012-9-5 18445 Plumas Along the south side of the South Fork of the Feather River, about 800 yards east of the County Road where it crosses the South Fork of the Feather River, about 2/3 mile (air) southwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1940 Comment
  SEINET7485495 Image available Carex luzulina F. J. Hermann 1955-1 11954 Plumas Bluff Falls Camp, Lassen Volcanic National park 2286 Comment
  CHSC46988  Carex luzulina var. ablata L. P. Janeway 1989-8-4 3553 Plumas Plumas National Forest. East side of Eureka Ridge near headwater springs of Bear Cr. 1889 Comment
  CAS-BOT-BC32070  Carex multicaulis John Thomas Howell; Gordon H. True 1969-6-23 45807 Plumas 2.6 mi N of Middle Fork of Feather River at Nelson Point 1310 Comment
  SEINET260547  Carex multicaulis M. Cutler, J Cutler 1992-6-1 Plumas Plumas National Forest ; Ca 11 mi NW of Quincy; Bucks Lake Rd W to Spanish Ranch; FS 25N17 then 25N59 to stand #92 1615 Comment
  CAS-BOT-BC32232  Carex multicostata Hans Leschke 1954-7-3 s.n. Plumas 1/4 mi SE of Boiling Springs Lake. 1859 Comment
  CHSC20765  Carex nebrascensis K. R. Stern 1975-7-24 5870 Plumas SW shore of Lake Almanor. 1371 Comment
  CHSC47342  Carex nebrascensis L. P. Janeway 1989-6-16 3335 Plumas Plumas National Forest. West end of Grizzly Valley. 1783 Comment
  POM81829  Carex nebrascensis Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CHSC110385  Carex nervina Lowell Ahart 2012-9-5 18436 Plumas Meadow at the end of a small stream that flowes into the South Fork of the Feather River, about 350 yards east of the County Road where it crosses the South Fork of the Feather river, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of LaPorte. 1889 Comment
  CAS-BOT-BC119184  Carex pachystachya D. E. (Mrs. A. A. Beetle) Beetle 1941-6-28 55 Plumas NW corner of Lake Almanor. 975 Comment
  CAS-BOT-BC119009  Carex pellita John Thomas Howell 1960-7-19 35654 Plumas Wet slope near hot springs, Drakesbad 1828 Comment
  CHSC47346  Carex pellita L. P. Janeway 1989-6-16 3338 Plumas Plumas National Forest. West end of Grizzly Valley. Small creek on N side of mdw; meadowy area along creek crossing rd on N side of valley. 1783 Comment
  CHSC53524  Carex pellita 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
  SEINET12649673 Image available Carex pellita Lowell Ahart, John Dittes 2009-1 16187 Plumas 1480 Comment
  SEINET7570923 Image available Carex pellita Lowell Ahart, Josephine Guardino 2005-8-9 12283 Plumas On the bottom of Fant Creek, about 100 yards southeast of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  UCD108019  Carex pellita Tim Kuhn 2006-7-12 65 Plumas west of Willow Creek Road, north of Lake Davis. Comment
  CAS-BOT-BC118339  Carex praegracilis D. H. Esplin; R. K. Gierisch 1968-1-1 4 Plumas Thompson Creek drainage. 1828 Comment
  CAS-BOT-BC118125  Carex rossii John Thomas Howell 1961-6-21 36635 Plumas Greenville 1097 Comment
  CAS-BOT-BC118128  Carex rossii John Thomas Howell 1963-7-9 39656 Plumas Near foot of Echo Summit grade, 1 mi SW of Meyers. 2011 Comment
  CAS-BOT-BC117898  Carex scabriuscula John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54148 Plumas 2.65 miles W of Round Valley Reservoir dam. 1569 Comment
  CAS-BOT-BC117900  Carex scabriuscula L. P. Janeway 1993-7-15 4448 Plumas Along Bean Creek, 0.4 mi S of the saddle between Bean Creek (tributary of upper Spanish Creek) 1524 Comment
  SBBG126104  Carex scabriuscula L. Ahart 2012-6-1 18262 Plumas E side of dirt rd to large pipe, ca 0.25 mi E of Caribou Rd, ca 3.5 mi NE of Belden 807 Comment
  CHSC47354  Carex sheldonii L. P. Janeway; Jim Battagin, Stacy Scott 1989-7-6 3453 Plumas Plumas National Forest. Along Red Clover Cr in Red Clover Valley; 1.5 mi W of the Clover Valley Ranch bldgs along the Beckwourth-Genesee Rd (rd 111) (12.5 mi from Beckwourth), then 0.6 mi N along fenceline to creek. 1652 Comment
  CHSC53547  Carex simulata L. P. Janeway 1989-6-15 3316 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
  SEINET7575696 Image available Carex spectabilis L. P. Janeway 2003-9-20 7999 Plumas Gold Lake 7.5' quad, 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. 2115 Comment
  JEPS113814  Carex straminiformis Lowell Ahart, John Dittes 2007-8-9 14442 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
  CAS-BOT-BC114994  Carex subfusca John Thomas Howell 1962-6-18 37752 Plumas Sierra Valley near Beckwourth. 1487 Comment
  CHSC112080  Carex subfusca L. P. Janeway 2014-7-17 11565 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; 0.5 km north of Long Valley Creek, along the dryish eastern edge of the large meadow on the northwest side of Happy Valley. 1746 Comment
  CHSC61685  Carex subfusca L. P. Janeway; Jim Battagin, Rob Russell 1993-8-4 4490 Plumas Plumas National Forest. Along Dolly Creek at upper portion of the Walker Mine tailings. 1749 Comment
  JEPS120164  Carex subfusca Lowell Ahart 2012-9-5 18443 Plumas On the east side of the South Fork of the Feather River, about 500 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 2/3 mile (air) southwest of Pilot Peak, about 9 miles (air) northeast of La Porte. Comment
  SEINET7577212 Image available Carex subfusca John Thomas Howell, T. C. Fuller, G. D. Barbe 1981-6-25 54344 Plumas Sierra Nevada, 2.8 miles north-northeast of Englemine on Diamond Mt Road. 1341 Comment
  CHSC77073  Carex utriculata G. Douglas Barbe; T. C. Fuller 1982-6-17 3864 b Plumas Frenchman Lake Region. 2 miles N of Turkey Point Fishing Access; marshy seep area at the shore of the N arm of the lake. 1706 Comment
  JEPS113704  Carex utriculata Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14474 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
  UCD108056  Carex utriculata Tim Kuhn 2005-1 88 Plumas adjacent to Crocker Guard Station. Comment
  CAS-BOT-BC115154  Carex vesicaria John Thomas Howell 1961-9-23 36858 Plumas Indian Valley 1082 Comment
  CHSC67614  Carex vesicaria James D. Jokerst 1985-6-10 2399 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  CHSC101872  Carex whitneyi Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15907 Plumas About 100 yards northwest of Lake Almanor Dam. 1421 Comment
  CHSC65603  Carex whitneyi L. P. Janeway 1995-8-24 4901 Plumas Top of ridge, divide between Willow Creek and Freeman Creek; about 1.3 mi west-southwest of Smith Peak. 2042 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
  CAS-BOT-BC114940  Carex whitneyi Mrs. H. C. Cantelow 1938-7-4 2278 Plumas Meadow at Drakesbad. Comment
  SD8170  Caryophyllaceae Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  CAS-BOT-BC59033  Cassiope mertensiana Anna Head 1921-1-1 s.n. Plumas Feather River Region Comment
  CAS-BOT-BC249369  Castilleja applegatei Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk. 2000 Comment
  CAS-BOT-BC249723  Castilleja applegatei subsp. pinetorum David D. Keck 1930-7-24 959 Plumas Halfway between Chester and Westwood 1465 Comment
  CAS-BOT-BC249751  Castilleja applegatei subsp. pinetorum Mary Strong Clemens 1920-6-28 s.n. Plumas Quincy Comment
  CHSC102068  Castilleja applegatei subsp. pinetorum Lowell Ahart; John Dittes 2009-7-15 16095 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  JEPS126590  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. Comment
  JEPS3016  Castilleja applegatei subsp. pinetorum unknown 1952-5-30 34 Plumas near mouth of Milk Ranch Creek 762 Comment
  JEPS81447  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-5-7 4421 Plumas 0.8 mi n Crystal Peak/Adams Peark road junction (e side of 24N51X, ca 7 air mi n of Chilcook, on ridge e of Frenchman Lake); Frenchman Lake Quad. 1889 Comment
  SD46675  Castilleja applegatei subsp. pinetorum Robert J. Weatherby 1955-7-21 1651 Plumas Rocky Point, head of No Ear Bar Trail, Middle Fork Feather River 1524 Comment
  SEINET13737138  Castilleja applegatei subsp. pinetorum A. A. Heller, P. B. Kennedy 1907-7-15 8840 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  UCD122260  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-8-5 4935 Plumas Around Crystal Lake just below Mt. Hough, ca. 7 air mi nne of Quincy. 2042 Comment
  POM319348  Castilleja applegatei subsp. pinetorum Patricia Wilder 1971-6-22 5159 Plumas Spanish Ranch, 6 miles west of Quincy on Spanish Ranch Road, on north side of road. Cascade mtn range, Spanish Creek to North Fork Feather River drainage. 1098 Comment
  JEPS125759  Castilleja campestris William Harnach 2013-5-18 1355 Plumas 0.25 miles East of Co. Rd A-23 on Marble Lane, south of Beckwourth Comment
  CHSC110003  Castilleja lacera B. Castro; L. P. Janeway 2006-6-4 1539 Plumas Northern High Sierra Nevada. Along the new dirt road from Squaw Valley to McReynolds Valley, 0.3 mi S of Squaw Valley Road/USFS Rd 28N01 (and Squaw Valley). 1703 Comment
  CHSC34069  Castilleja lacera M. S. Taylor 1981-6-19 3931 Plumas SW side of Lake Alamanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi nw of Prattville, ca. 3/4 mi e of Hwy 89. 1371 Comment
  UC138989  Castilleja lacera Mrs. A. L. Coombes 1902-7-7 Plumas Prattville Comment
  UCD19569  Castilleja lacera Gerald Dickinson 1963-7-1 64 Plumas in flat, grassy area along Hwy. 89. Seven miles NW of Canyon Dam. 1097 Comment
  CAS-BOT-BC254061  Castilleja miniata Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  CAS-BOT-BC254067  Castilleja miniata Anna Head 1921-8-5 s.n. Plumas Gold Lake Camp. Feather River Region Comment
  RSA184952  Castilleja miniata L. S. Rose 1966-7-28 66073 Plumas Quincy. 1067 Comment
  UCR3559  Castilleja miniata Wm. Horn Jr. 1963-8-11 630811- 2 Plumas Meadow Valley Creek, 50 feet west of Schnieder Creek Road 1169 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
  CHSC112571  Castilleja pilosa B. Castro; L. P. Janeway 2007-6-9 1627 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. W side of Thompson Creek, near low knolls with rounded granitic rock outcrops, ca 450 ft below edge of open Ponderosa-Jeffrey pine forest. 1664 Comment
  CHSC37290  Castilleja pilosa M. S. Taylor 1982-5-28 4558 Plumas Squaw Valley at jct of 26N70 and 28N01, ca. 16 mi s of Milford. 1706 Comment
  JEPS100472  Castilleja pilosa Dean W. Taylor 2000-8-12 17565 Plumas 3 air mi SE of Antelope Lake; Feather River watershed, Dry Flat; Dry Flat (3 air mi SE of Antelope Lake, Feather River watershed) 1676 Comment
  UC1063481  Castilleja pilosa E. Sawyer 1935-6-4 62 Plumas 3.75 mi ene Beckwith Butte; Sierraville Quad. 1493 Comment
  JEPS29553  Castilleja tenuis John Thomas Howell 1960-7-18 35517 Plumas Drakesbad; Lassen Volcanic National Park 1676 Comment
  UC174716  Castilleja tenuis A. A. Heller and P. B. Kennedy 1907-7-6 8757 Plumas Red Clover Valley Comment
  CAS-BOT-BC47869  Ceanothus cordulatus Alice Eastwood 1927-6-15 14596 Plumas On road to Long Valley Comment
  RSA605316  Ceanothus cordulatus Louis C. Wheeler 1952-9-24 6958 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  UC917294  Ceanothus cordulatus J. M. Tucker 1948-7-24 1729 Plumas ca 1/2 mi ne Camel Peak Comment
  CAS-BOT-BC126820  Ceanothus cuneatus C. L. Schmidt 1988-7-15 1226 Plumas Red Hill, up Rush Creek Road, ca. 9.4 miles SW of Paxton on US Hwy. 70 1260 Comment
  CAS-BOT-BC49064  Ceanothus cuneatus Clarence R. Quick 1964-7-15 64 -81 Plumas At summit of Longville-Belden Road between Humbug Valley and Feather River Canyon 1478 Comment
  UCD150831  Ceanothus cuneatus J. Bisbee 2013-5-30 585 Plumas Plumas County, Summit of Red Hill. Near communications towers. 1890 Comment
  UC338013  Ceanothus cuneatus var. cuneatus Lemmon 1883-5-27 Plumas Mohawk Valley Comment
  CAS-BOT-BC50729  Ceanothus integerrimus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1479 Plumas Butterfly Botanical Area and Vicinity - Along roadside in Butterfly Canyon 1036 Comment
  CAS-BOT-BC50769  Ceanothus integerrimus David D. Keck 1932-7-3 1648 Plumas Northern Sierra Nevada - Quincy - Hillside south of town (forested). 1188 Comment
  CAS-BOT-BC50773  Ceanothus integerrimus Lewis S. Rose 1966-7-27 66064 Plumas Butterfly Creek & Spanish Creek, 1 mi. s. of Keddie 990 Comment
  RSA599856  Ceanothus integerrimus Louis C. Wheeler 1959-7-16 7581 Plumas Butterfly Creek : Butterfly Mine. Comment
  UC1070762  Ceanothus integerrimus D. Axelrod 1934-6-9 35 Plumas 2.5 mi w Lexington Hill; Bidwell Bar quad., Plumas Nat. For. 1706 Comment
  UC1552757  Ceanothus integerrimus Frederica Bowcutt 1985-6-5 547 Plumas sw side Red Clover Creek (Beckworth Genesee Rd, ca 15 air mi ne of Quincy,); Plumas National Forest Comment
  RSA184944  Ceanothus integerrimus var. californicus L. S. Rose 1966-7-27 66064 Plumas Butterfly Creek and Spanish Creek, 1 miles S of Keddie 991 Comment
  CAS-BOT-BC51044  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1927-6-18 14576 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  RSA60217  Ceanothus integerrimus var. puberulus E. K. Balls 1950-9-6 15691 Plumas 0.6 miles W of Spring Garden, betw Quincy and Portola, Hwy 24. 1220 Comment
  CAS-BOT-BC52060  Ceanothus prostratus John Thomas Howell; Gordon H. True 1967-7-11 43320 Plumas about 3 miles Southeast of Mt. Hough 1706 Comment
  CAS-BOT-BC63363  Ceanothus prostratus John Thomas Howell 1951-6-28 27728 Plumas Eureka Lake. 1889 Comment
  RSA59352  Ceanothus prostratus E. K. Balls 1950-9-2 15623 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. 2104 Comment
  SD7228  Ceanothus prostratus Daniel Cleveland 1882-7-21 Plumas Prattville Comment
  UC586941  Ceanothus prostratus Joseph Andorfer Ewan 1934-6-25 8196 Plumas Gold Lake Road Sierra Nevada, Gold Lake Road 1524 Comment
  CHSC26144  Ceanothus velutinus Detzer; M. Sacks 1977-6-25 42 Plumas At sw edge of Squaw Valley. Abundant in openings on floor of Yellow Pine Forest. 1853 Comment
  UC1071482  Ceanothus velutinus G. T. Nordstrom 1934-7-16 227 Plumas 1 3/4 mi ne Mount Ararat; Bidwell Bar Quadrangle 1767 Comment
  UCSC000470  Ceanothus velutinus A. Lewis 1934-7-12 511 Plumas 2.5 mile E. of Mt. Fillmore. Downieville 1768 Comment
  UC1075641  Ceanothus velutinus var. velutinus Robert J. Weatherby 1950-8-11 1515 Plumas Peak of Mountain Elwell Lakes Basin Area, Northern Sierra Nevadas 2377 Comment
  CHSC65325  Centaurea stoebe subsp. micranthos Lowell Ahart 1995-10-1 7642 Plumas In gutter, about 150 yards south of where the road crosses the South Fork of the Feather River, north east of the Feather Fork Mine, about 6 (air) miles north-east of La Porte. 1706 Comment
  CHSC46537  Cephalanthera austiniae Lowell Ahart 1976-7-7 1168 Plumas About 2 miles south-west of Cold Water Creek, about 6 miles south-west of Grizzly Mountain. 1524 Comment
  CHSC54540  Cephalanthera austiniae Vernon H. Oswald 1991-8-5 4807 Plumas Service road from the south park boundary into Terminal Geyser, ca. 2.5 miles (air) southeast of Drakesbad. Lassen Volcanic National Park. 1706 Comment
  UC143601 Image available Cephalanthera austiniae Mrs. R. M. Austin July 1877 161 Plumas near Quincy; Mill Creek Comment
  UC726321  Cerastium arvense A. A. Heller 1942-5-8 16452 Plumas 3 mi. w. 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
  HSC18575  Cercocarpus ledifolius W. R. Rogers 1966-7-6 214 Plumas 1982 Comment
  JEPS127325  Chaenactis douglasii var. douglasii Lowell Ahart 2016-6-29 21082 Plumas Top and southeast side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CHSC74005  Chamaesaracha nana B. Castro; L. Gehrung 1998-9-29 845 Plumas Ca 4.5 air mi NE of Little Grass Valley Reservoir, on ridge system west of Pilot Peak, on S side of USFS Rd 22N60. On S edge of ridgetop, ca 50 ft S of the Pacific Crest Trail. 1993 Comment
  SEINET10453902  Chamaesyce serpillifolia Mary Susan Taylor 1982-8-27 Taylor 5065 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, where Feather River crosses RR tracks and along river, ca. 1.5 mi sw of Beckwourth. 4880 ft. Plumas National Forest. 1487 Comment
  CAS-BOT-BC70200  Cheilanthes gracillima Anna Head 1921-7-1 s.n. Plumas Feather River region Comment
  CDA13936  Cheilanthes gracillima G. F. Hrusa 1997-6-26 13874 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). on x Comment
  CAS-BOT-BC70207  Cheilanthes gracillima Clarence R. Quick 1952-6-24 52 -81 Plumas 1.2 miles south of summit on road between Belden and Humbug Valley Comment
  JEPS4050  Cheilanthes gracillima Roland A. Dede 1950-6-24 2220 Plumas Feather River Canyon Comment
  SEINET10529940  Cheilanthes siliquosa Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4473 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
  CDA23361  Chenopodium botrys D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .262 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  CDA3114  Chenopodium pumilio J. T. Howell, G. H. True 1974-7-29 50629 Plumas Quincy. Comment
  RSA718946  Chenopodium strictum var. glaucophyllum L. Ahart 2006-10-8 13391 Plumas North side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek. 623 Comment
  UCD117410  Chimaphila umbellata James I. Mallory 1969-8-21 356 Plumas 1 1/2 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  SEINET7450658 Image available Chrysopsis villosa var. minor M. J. Williams 1974-7-23 74 -P-1 Plumas Near Chilcoot 1524 Comment
  SEINET10475062  Chrysothamnus nauseosus Mary Susan Taylor 1981-8-19 Taylor 4225 Plumas California: T23N R12E se 1/4 of sw 1/4 sec 14. Blue Nose Mt quad. S side of 23N10, 0.5 mi E of its jct with spur road 23N10G, ca. 5 air mi W of Sloat. Plumas County. 5300 ft. 1615 Comment
  RSA126612  Chrysothamnus nauseosus subsp. albicaulis E. Nourse 1934-8-9 7 Plumas 0.75 mile west of Clermont Hill 1951 Comment
  JEPS21407  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1939-8-12 19386 Plumas Black Mountain 1981 Comment
  UC1777720  Chylismia claviformis subsp. integrior June McCaskill 465 Plumas Lake Almanor region Comment
  JEPS76223  Cinna latifolia W. L. Jepson 1939-7-31 19306 Plumas half-way between Meadow Valley and Bucks Valley 1676 Comment
  CHSC66762  Circaea alpina subsp. pacifica Vernon H. Oswald; Lowell Ahart 1996-8-14 8152 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. In a meadow. 1920 Comment
  CDA978  Circaea alpina subsp. pacifica D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .283 Plumas Fern Gulch, E of Butterfly Valley, just S of Keddie. 0 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
  RSA0070846  Cirsium andersonii L. Ahart, John Dittes 2005-9-20 12432 Plumas NW side of Mud Lake, about 0.5 mile NE of Eisenheimer Peak, about 0.75 mile south of Wilcox Valley. 2030 Comment
  CAS-BOT-BC289626  Cirsium andersonii W. R. Dudley August (rest of date obscured by ink on label) s.n. Plumas Hot Springs, Sierra Valley Comment
  CHSC93151  Cirsium arvense L. P. Janeway 1994-8-12 4729 Plumas Northern High Sierra Nevada. Banks of West Branch Lights Creek at crossing of Road 28N30, about 1.2 mi from Lights Creek. 1402 Comment
  CHSC97117  Cirsium arvense Lowell Ahart; Josephine Guardino 2007-7-20 14335 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CAS-BOT-BC278023  Cirsium cymosum A. A. Heller; P. B. Kennedy 1907-7-18 8880 Plumas Grade between Beckwith [Beckworth/Beckwourth] and Red Clover valley Comment
  SEINET10473703  Cirsium drummondii Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4661 Plumas T27N R12E sw/nw sec 15. Antelope Lake quad. Dry mdw on n side of Indian Creek, e side of 28N03, nw corner of Antelope Lake, ca. 12 mi ne of Taylorsville. Sandy poor soil. 5000 ft. 1524 Comment
  CAS-BOT-BC285544  Cirsium occidentale var. candidissimum John Thomas Howell 1959-9-24 34915 Plumas Crescent Mills 1066 Comment
  CDA1373  Cirsium occidentale var. candidissimum T. C. Fuller 1957-9-16 304 -57 Plumas Storrie. Comment
  JEPS95069  Cirsium occidentale var. candidissimum Vernon Oswald and Lowell Ahart 1997-9-18 8874 Plumas 4 air mi w of Caribou on Forest Road 26N25 to Mosquito Creek (2.3 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1383 Comment
  SEINET3146345  Cirsium occidentale var. candidissimum E. K. Balls 1950-9-6 15696 Plumas Jackson Crk Public Camp, Middle Fork Feather Rv. of Hwy. 24, E of Quincy 1402 Comment
  SEINET13351414 Image available Cirsium ochrocentrum T. C. Fuller Unknown s.n. Plumas unknown Comment
  CDA1516  Cirsium ochrocentrum var. ochrocentrum T. C. Fuller 1959-10-2 3230 -A Plumas Sierra Valley; Loyalton-Vinton Rd., just N/ Co. line 7.3 mi S of Vinton. Comment
  CAS-BOT-BC286450  Cirsium scariosum Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC91704  Cirsium scariosum G. D. Barbe; T. C. Fuller 1982-6-17 3866 Plumas Northern California. Plumas National Forest. 2 mi N of Turkey Pt Fishing Access; at the shore of the north arm of the lake. 1706 Comment
  UC912469  Cirsium scariosum var. americanum Herbert L. Mason 1924-6-18 1048 Plumas bog n of Greneagle Comment
  CAS-BOT-BC228918  Cistanthe umbellata Mrs. Jos Clemens 1919-10-25 s.n. Plumas Crescent Mills 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
  CAS-BOT-BC163168  Clarkia lassenensis Clare B. Hardham 1961-6-15 7421 Plumas Sierra Nevada Mountains. East of Taylorsville, Road to Engelmine [Engel Mine] 1219 Comment
  CDA38044  Clarkia mildrediae subsp. lutescens L. P. Janeway 2001-7-3 7255 Plumas Northern High Sierra Nevada.; Along Road 24N28 on nose of ridge between Four Water Creek and Bear Creek. Comment
  CHSC28923  Clarkia mildrediae subsp. lutescens L. Hanson 1979-7-23 57 Plumas On Little North Fork Rd, along edge. Comment
  CHSC71146  Clarkia mildrediae subsp. lutescens L. P. Janeway 1993-7-22 4468 Plumas About 1.5 mi west of Meadow Valley; along Big Creek Road (Road 423) 0.1 mi from Oroville-Quincy Hwy. Road cutbank. 1243 Comment
  CHSC71154  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-13 4693 Plumas Between Lookout Rock and Middle Fork Feather River; along Road 23N19 6.1 mi southeast of Road 23N60. Southwest-facing road cutbank. 1621 Comment
  CAS-BOT-BC163854  Clarkia purpurea subsp. quadrivulnera A. A. Heller; P. B. Kennedy 1907-7-12 8827 Plumas Between Taylorville and Crescent Mills Comment
  CAS-BOT-BC164914  Clarkia rhomboidea John Thomas Howell 1961-6-21 36658 Plumas Greenville 1097 Comment
  NY1085602  Clarkia stellata A. A. Heller 1907-7-9 8778 Plumas Prattville Comment
  UC1730244  Clarkia stellata L. P. Janeway 1996-6-12 5012 Plumas 0.5 mi NE of Deer Creek, 2.0 mi S of Spanish Creek; N side of logging spur road 0.6 mi E of Road 24N23X 1318 Comment
  HSC95492  Clarkia stellata L. P. Janeway 1996-6-12 5012 Plumas 0.5 mi. NE of Deer Creek, 2.0 mi. S of Spanish Creek, 0.6 mi. east of Forest Service Road 24N23X on logging spur road. 1319 Comment
  SEINET4149820  Clarkia stellata A. A. Heller, P. B. Kennedy 1907-7-9 8778 Plumas Prattville Comment
  CHSC72458  Claytonia cordifolia L. P. Janeway 1998-7-1 5695 Plumas South side of Marion Ravine; along road 26N22 2.6 mi from Road 26N17 and the head of Schneider Ravine. 1463 Comment
  CAS-BOT-BC451746  Claytonia lanceolata Lowell Ahart 1986-6-4 5325 Plumas 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-east of La Porte 1828 Comment
  SEINET10572687  Claytonia lanceolata Mary Susan Taylor 1982-5-17 Taylor 4458 Plumas T22N R14E ne/nw sec 8. Portola quad. Rocky Sagebrush Scrub with seep, s side of rd 22N54, 1 air mi n of Beckwourth Peak, ca. 2 mi se of Portola. 6000 ft. 1829 Comment
  UCD69665  Claytonia perfoliata Ernie Bell 1982-5-23 27 Plumas Southwest end of Snake Lake, approximately 10 miles southwest of Quincy. 1219 Comment
  CAS-BOT-BC443635  Claytonia perfoliata subsp. perfoliata Lewis S. Rose 1963-6-3 63110 Plumas Butterfly Valley, 2 mi. sw. of Keddie 1036 Comment
  CAS-BOT-BC443644  Claytonia perfoliata subsp. perfoliata Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1928 Plumas Butterfly Botanical Area and Vicinity 1066 Comment
  CAS-BOT-BC443795  Claytonia rubra subsp. rubra George W. Gillett 1957-7-17 792 Plumas Lassen Volcanic National Park. Stream flowing from Little Willow Lake into Willow Lake. 1767 Comment
  CAS-BOT-BC443798  Claytonia rubra subsp. rubra A. A. Heller; P. B. Kennedy 1907-7-11 8804 Plumas Prattville Comment
  CAS-BOT-BC443801  Claytonia rubra subsp. rubra Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC52528  Claytonia rubra subsp. rubra L. P. Janeway 1990-6-19 3723 Plumas Plumas National Forest. Beckwourth Ranger District. Rattlesnake Compartment. Small dry creek west of Rattlesnake Creek, ca 1 1/4 mi N of Hwy 70/89 and Long Valley. 1402 Comment
  JEPS106310  Claytonia rubra subsp. rubra Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11058 Plumas About 50 yards north of the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote 1777 Comment
  CHSC101774  Collinsia parviflora Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15867 Plumas East of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC46660  Collinsia parviflora Lowell Ahart 1989-7-2 6346 Plumas On the north-west side of Pilot Peak, about 10 miles north-east of La Porte. 2194 Comment
  CHSC79570  Collinsia parviflora G. F. Hrusa; E. Sandoval 1993-5-30 11141 Plumas Snake Lake Vicinity. Along lakeshore. [Original lat./long. on label is '39 58 N; 120 59 W']. 1250 Comment
  RSA0117245  Collinsia parviflora L. Ahart, John Dittes 2007-6-16 14126 Plumas Gravel bars along 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. 1648 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
  CHSC65125  Collinsia torreyi var. wrightii Vernon H. Oswald; Lowell Ahart 1995-7-24 7118 Plumas high Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  UCR123997  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2001-7-6 6855 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  JEPS28614  Collomia grandiflora George W. Gillett 1957-7-17 799 Plumas moist gully running into stream flowing from :Little Willow Lake into Willow Lake; Lassen Volcanic National Park 1767 Comment
  SEINET10869744  Collomia heterophylla Mary Susan Taylor 1982-5-13 Taylor 4434 Plumas T24N R9E se/ne sec 15. Quincy quad. In Gansner Park, Quincy. 3400 ft. 1036 Comment
  RSA59577  Collomia tinctoria Verne Grant 1950-7-12 8939 Plumas NE slope of Red Mt. Between Susanville and Taylorsville, Plumas National Forest. 2012 Comment
  CAS-BOT-BC286166  Conyza canadensis John Thomas Howell 1960-7-20 35775 Plumas Lassen Volcanic National Park. Boiling Springs Lake 1798 Comment
  CAS-BOT-BC286169  Conyza canadensis L. P. Janeway 1992-11-18 4325 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest side of Lake Davis, ca 0.3 mi west of the Bagley Pass Road; at the end of Mosquito Slough Road (24N54Y) 1761 Comment
  UC1134734  Corallorhiza maculata Beryl O. Schreiber 1938-7-10 2528 Plumas 1/4 mi s U. C. Forestry Camp (near Meadow Valley); Plumas National Forest, Bidwell Bar Quadrangle 1097 Comment
  HSC22980  Corallorhiza maculata John Pratt 1970-6-29 51 Plumas 7 mi. E of Humboldt Summit Comment
  SEINET10470005  Corallorhiza striata Lowell Ahart, Peter Ahart 1984-6-21 Ahart 4718 Plumas About 1 mi N of Turkeytown, along a dirt rd that cuts W to Hopkins Creek, not the road that will take you west to Onion Valley, ca. 2 mi NW of Blue Nose Mt, ca. 15 mi NE of LaPorte; Red Fir For. 200 Comment
  CHSC62131  Cordylanthus tenuis subsp. tenuis L. P. Janeway 1993-7-28 4475 Plumas Plumas National Forest. Top of ridge on southwest side of South Branch Ward Creek. Along mining access road 3.4 mi southeast of Genesee Valley. 1584 Comment
  CHSC77061  Cordylanthus tenuis subsp. tenuis L. P. Janeway 1996-8-13 5068 Plumas Top of ridge between kingsbury Ravine and West Branch Salt Creek; above Twain and East Branch North Fork Feather River. 1432 Comment
  RSA246643  Cordylanthus tenuis subsp. tenuis Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42353 Plumas Plumas National forest: Along Hwy. 70 two miles N of Quincy. 1098 Comment
  JEPS6772  Cordylanthus tenuis subsp. tenuis W. I. Follett 1942-7-27 134 Plumas between Meadow Valley and Bucks Lake (Deadwood Summit, the summit of the grade, on old Quincy road) 1905 Comment
  JEPS102246  Cordylanthus tenuis subsp. viscidus L. P. Janeway 2001-6-22 7371 Plumas Northern High Sierra Nevada. On low peak along ridge between Frenchman Hill and the northwest end of Red Mountain. 1798 Comment
  CAS-BOT-BC209427  Cornus nuttallii Harry P. West 1920-5-17 s.n. Plumas Greenville Comment
  UC338280  Cornus nuttallii J. G. Lemmon 1889-5-30 Plumas Thompson's ranch near Quincy Comment
  CAS-BOT-BC210313  Cornus sericea Anna Head 1920-6-10 s.n. Plumas Camp Rodgers, Feather River Region 701 Comment
  CAS-BOT-BC210499  Cornus sericea subsp. occidentalis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2400 Plumas Butterfly Botanical Area Comment
  UC1122817  Cornus sericea subsp. sericea C. G. Albertus 1935-7-23 229 Plumas 1 1/4 mi. s.e. Spring Garden Ranch; Plumas Nat'l Forest, Downieville Quad. Comment
  CHSC81364  Cornus sessilis L. P. Janeway 1996-4-23 4958 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
  CHSC52521  Corydalis caseana subsp. caseana L. P. Janeway 1990-6-26 3725 Plumas Plumas National Forest. Headwaters of Greenhorn Creek (between rds 25N42 and 24N19). 2133 Comment
  CHSC54482  Corydalis caseana subsp. caseana Vernon H. Oswald; Lowell Ahart 1991-7-30 4783 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 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
  UC1586445  Corydalis caseana subsp. caseana Vernon H. Oswald and Lowell Ahart 1991-7-30 4783 Plumas 5.2 mi. (odometer) n.e. of Humbug Summit (between Humbug Summit and Humbug Valley, Humbug Rd. at Grizzly Creek) 1777 Comment
  UCD21049  Corydalis caseana subsp. caseana E. Bortiri 2002-7-20 WFC 85 Plumas Red Rock Spring Meadow, Plumas NF, South of Diamond Mountains, Plumas Co. Comment
  UC917265  Corylus californica J. M. Tucker 1948-7-25 1734 Plumas in vicinity of Cascade Comment
  UCD169657  Crepis acuminata Lowell Ahart 2009-7-15 16098 Plumas About 2.3 miles (air) southeast of Butt Valley Reservoir Dam, on the south side of Forest Service Road 26N22, east of the power line. 1517 Comment
  CHSC82078  Crepis intermedia L. P. Janeway 2001-8-5 7425 Plumas High Cascade Range. Near top of ridge between Yellow Creek and North Fork Feather River (and Caribou Road). 1463 Comment
  UC476323  Crepis intermedia Mrs. L. W. Swift June, 1931 3034 Plumas Stony Ridge Plumas National Forest, Last Chance Cr. (foot) Comment
  CAS-BOT-BC376492  Crepis occidentalis subsp. conjuncta John Thomas Howell 1951-6-27 27633 Plumas Jamison Creek 1828 Comment
  UC353950  Crepis occidentalis subsp. costata Katharine Brandegee 1913-1 Plumas Portola Comment
  CAS-BOT-BC290781  Crepis occidentalis subsp. occidentalis Lowell Ahart 1983-8-17 4333 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., about 11 miles north-east of La Porte 2000 Comment
  CAS-BOT-BC376510  Crepis pleurocarpa M. S. Taylor 1982-8-5 4931 Plumas Mt Hough summit, ca. 7 mi nne of Quincy 2203 Comment
  JEPS102747  Crepis pleurocarpa Lowell Ahart 2001-7-19 8937 Plumas Steep slope, on the east side of Hopkins Creek, about 100 yards SW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  RSA286276  Crepis pleurocarpa R. F. Thorne 1974-7-30 44998 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  UC346538  Crepis pleurocarpa E. B. Babcock and M. Navashin 1928-6-23 180 Plumas nr. hwy about 5 mi w Blairsden Comment
  UC346554  Crepis pleurocarpa E. B. Babcock 1928-6-15 161 Plumas 2 mi e Meadow Valley (along road to Quincy) Comment
  CAS-BOT-BC190199  Crypsis vaginiflora John Thomas Howell 1959-9-26 35058 Plumas Sierra Nevada. Near Virgilia. 838 Comment
  CAS-BOT-BC182507  Cryptantha John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54299 Plumas East side of Indian Valley just north of Taylorsville 1112 Comment
  CAS-BOT-BC189306  Cryptantha Clare B. Hardham 1975-8-2 20493 Plumas Black Mountain 2133 Comment
  CAS-BOT-BC189309  Cryptantha John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54246 Plumas About 3 miles SE of Mount Hough on the road to Quincy 1737 Comment
  SEINET12514865  Cryptantha affinis T. S. Brandegee 1892-7-4 s.n. Plumas Prattville. Comment
  SEINET3840837  Cryptantha ambigua G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3809 Plumas Plumas National Forest 1700 Comment
  CDA13396  Cryptantha simulans G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13245 Plumas Sierra Nevada; near summit of ridge at headwaters of Bull Run Creek off USFS 23N12E. Comment
  RSA95526  Cryptantha simulans J. T. Howell 1951-6-27 27572 Plumas Johnsville; Sierra Nevada 1585 Comment
  CHSC102750  Cryptantha torreyana Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16149 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
  CHSC76044  Cryptantha torreyana G. F. Hrusa 1997-5-30 13833 Plumas Sierra Nevada. On the E side of Rattlesnake Creek creekbed, S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1300 Comment
  UC78658  Cryptantha torreyana Mrs. R. M. Austin Jul 1882 Plumas Big Meadows Comment
  CHSC52719  Cryptogramma acrostichoides L. P. Janeway 1990-8-7 3827 Plumas Plumas National Forest. Ca 1/4 mi NE of crest of Grizzly Ridge between Joseph Cr and Oliver Cr. 2164 Comment
  UC170624  Cryptogramma acrostichoides Mrs. Carlotta C. Hall 1912-7-11 9342 Plumas Long Lake 2042 Comment
  CAS-BOT-BC70455  Cryptogramma acrostichoides M. S. Taylor 1982-8-30 5078 Plumas Kettle Rock quad., s end of Taylor Lake, ca. 6 air mi ne of Taylorsville 2103 Comment
  CAS-BOT-BC70458  Cryptogramma acrostichoides Lewis S. Rose 1932-9-4 32620 A Plumas Jamison Lake 1981 Comment
  CAS-BOT-BC70461  Cryptogramma acrostichoides L. P. Janeway 1990-8-7 3827 Plumas ca 1/4 mi NE of crest of Grizzly Ridge between Joseph Cr and Oliver Cr. 2164 Comment
  NY16615  Cupressus bakeri M. Wickman 1980-5-7 s.n. Plumas Plumas National Forest 1981.2 Comment
  UCD133452  Cupressus bakeri M. S. Taylor 1981-8-13 4175 Plumas Genesee Valley quad. N and NE side of west flank of Wheeler Peak ridge, ca. 5 air mi. NE of Genesee. 1981 Comment
  SEINET10531426  Cupressus bakeri Mary Susan Taylor 1981-8-3 Taylor 4151 Plumas T27N R11E ne 1/4 nw 1/4 sec 26. Kettle Rock Quad. Along drainage east of Mud Lake, ca 0.6 mi ne of Eisenheimer Peak, ca 10 mi N of Genesse. Tertiary volcanic granite base. 6700 ft. 2042 Comment
  SEINET10546824  Cuscuta Mary Susan Taylor 1982-8-4 Taylor 4922 A Plumas T25N R10E nw/sw sec 22. Greenville SE quad. Along spur rd off Mt Hough Rd (403), ca. 200 ft. e of Tollhouse Creek, ca. 2 mi nw of Taylor Rock, ca. 6 mi ne of Quincy. 5800 ft. 1768 Comment
  RSA201317  Cuscuta californica J. T. Howell 1960-7-19 35689 Plumas Drakesbad 1677 Comment
  JEPS114800  Cuscuta californica var. breviflora Lowell Ahart 2008-8-13 15190 Plumas On the north side of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte 1598 Comment
  CHSC63457  Cuscuta californica var. californica Lowell Ahart 1994-7-22 7506 Plumas Southside of the Pacific Crest Trail, north of Mount Etna. 1981 Comment
  CHSC36926  Cuscuta subinclusa M. S. Taylor 1982-8-10 4954 Plumas Along 26N88, just e of its jct with Seneca Rd (306), ca. 7 mi sw of Canyon Dam. Comment
  CHSC83699  Cuscuta subinclusa John Dittes 2002-8-10 2 -30 Plumas Northern High Sierra Nevada; Plumas National Forest, Lumpkin Ridge, ca. 2.5 air-miles west of Little Grass Valley Reservoir Dam, ca. 1.9 air-miles east of Camel Peak and ca. 1.2 mi. northeast of McNair Saddle on north side of FS Primary Route 27, in road margin. 1685 Comment
  CDA14040  Cynoglossum occidentale G. F. Hrusa, T. D. Wilfred 1996-8-1 13412 Plumas Sierra Nevada; approx. 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  CAS-BOT-BC113876  Cyperus niger var. capitatus John Thomas Howell 1960-8-20 36275 Plumas Wet meadow, Drakesbad 1828 Comment
  JEPS102578  Cyperus squarrosus Lowell Ahart 2001-10-8 9306 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) NE of Quincy. 1522 Comment
  JEPS114862  Cyperus squarrosus Lowell Ahart 2008-7-9 15067 Plumas S of the road, about 1/2 mi NW of the dam at Little Grass Valley Reservoir, about 4 mi (air) NW of La Porte 1689 Comment
  RSA252446  Cyperus squarrosus Robert F. Thorne, C. W. Tilforth 1969-9-6 39231 Plumas Along Feather River, 1 mi SW of Beckwourth. 1357 Comment
  RSA89860  Cypripedium californicum Lee W. Lenz 1954-6-8 19136 Plumas 3.5 miles N of Beldon on road to Caribou Comment
  RSA508632  Cypripedium montanum Mrs. R. M. Austin 1874-06 s.n. Plumas Fern Dell Comment
  CAS-BOT-BC70671  Cystopteris fragilis John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2214 Plumas Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC70674  Cystopteris fragilis John Thomas Howell 1960-7-19 35663 Plumas Drakesbad 1828 Comment
  UC123018  Cystopteris fragilis Mrs. R. M. Austin June 1874 306 Plumas Rocky Bluff, Black Hawk Creek Comment
  CHSC92146  Dactylis glomerata Lowell Ahart; John Dittes 2005-9-20 12457 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-BC445535  Damasonium californicum G. D. Hanna 1958-9-16 s.n. Plumas Poison Lake Comment
  CAS-BOT-BC186625  Danthonia californica Walter Knight; Irja Knight 1966-6-19 1627 Plumas In area north of Pond Reservoir. Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC189660  Danthonia californica Anna Head 1921-7-1 s.n. Plumas Feather River Region. Lake Center Camp. Comment
  CAS-BOT-BC192346  Danthonia unispicata Mary S. Clemens 1920-7-3 4 Plumas Greenville Comment
  CAS-BOT-BC192349  Danthonia unispicata Lowell Ahart 1979-7-18 s.n. Plumas Ca. 2 mi. NW of Pilot Pk. North of the dirt road that is NE of Finger Board Mtn. 1800 Comment
  CHSC37008  Darlingtonia californica M. S. Taylor 1982-8-23 5034 Plumas Under PGE wire between dirt rd and Feather River, ... Field redacted by CHSC, contact the data manager for more information 853 Comment
  HSC101697  Darlingtonia californica Dillon North Davis 2013-5-22 1 Plumas 3.4 miles south on FS Road 25N17 from intersection with Highway 70 1280 Comment
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Jun 29 2016
  RSA184956  Darlingtonia californica L. S. Rose 1966-7-27 s.n. Plumas Butterfly Valley, 3 miles W of Keddie 1067 Comment
  UC1127096  Darlingtonia californica A. E. Wieslander July, 1927 10 Plumas Mdw. in proposed Butterfly Exp. Area<dip> Downieville Quadrangle (Feather River Exp. Station <on label>) 1219 Comment
  UC635466  Darlingtonia californica A. E. Borell 1928-3-18 38 Plumas Butterfly Valley Comment
  UCD119075  Darlingtonia californica Barry Rice 2010-6-11 BR 100605 Plumas Along York Creek. Comment
  RSA0021441  Darlingtonia californica Dorothy Davis 1923-08 s.n. Plumas Near Feather River 1829 Comment
  CHSC61239  Darmera peltata K. B. McShea 1992-4-5 2 Plumas Ca 7 mi s of Jct of Hwy 89 and Hwy 70 and 50 yds w, 17 mi se of Quincy. Comment
  SEINET10536228  Delphinium Mary Susan Taylor 1982-5-14 Taylor 4444 Plumas T23N R13E sw/se sec 10. Blairsden quad. Sagebrush Scrub over rocky volcanics, along Turner Springs Rd, just s of its jct with Hwy 114, ca. 2 air mi sw of Portola. 5000 ft. 1524 Comment
  UC699735  Delphinium Farris Farris 1936-7-19 Plumas road to Mount Lassen 1828 Comment
  CHSC110282  Delphinium depauperatum B. Castro; L. P. Janeway 2006-6-3 1557 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
  HSC31364  Delphinium depauperatum Larry E. DeBuhr, G. D. Wallace 1972-5-21 586 Plumas Plumas National forest, 1.0 mi. W of junction of Hwy. 89 and 70 N of Graegle 1341 Comment
  CDA18492  Delphinium gracilentum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3362 Plumas Sierra Nevada; 0.3 mile southwest of Bucks Summit, SE of the road formed by Bucks Creek. 1645 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
  JEPS23486  Delphinium nudicaule Esther C. Fritz 1933-6-27 Plumas banks of falls just s UC Forestry Camp (Camp Califorest) (s edge of valley); Meadow Valley, Schneider Creek, Schneider Falls 1158 Comment
  JEPS60599  Delphinium nudicaule E. Fritz 1936-5-27 Plumas Spring Hill trail Meadow Valley 1371 Comment
  CAS-BOT-BC116096  Delphinium nuttallianum Anna Head 1920-7-1 s.n. Plumas Gravelly flats near Gold Lake, Feather River Region 1828 Comment
  CAS-BOT-BC116116  Delphinium nuttallianum A. A. Heller 1913-6-13 10862 Plumas Near Quincy 1066 Comment
  CHSC45508  Delphinium nuttallianum Lowell Ahart 1976-6-18 1141 Plumas Near Bunker Hill Creek, about 1/4 mile south-east of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC116099  Delphinium nuttallianum Mrs. H. C. Cantelow 1941-5-21 s.n. Plumas 8 miles west of Quincy on Meadow Valley road Comment
  CAS-BOT-BC116119  Delphinium nuttallianum Mrs. H. C. Cantelow 1940-5-11 s.n. Plumas 1 mile w. of Meadow Valley Inn Comment
  CDA17252  Deschampsia cespitosa G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16279 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CAS-BOT-BC192434  Deschampsia cespitosa subsp. cespitosa A. A. Heller; P. B. Kennedy 1907-7-9 8790 Plumas Prattville Comment
  CAS-BOT-BC192445  Deschampsia cespitosa subsp. cespitosa Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1662 Plumas In area adjacent to Sweetwater Meadow 1127 Comment
  UC1131410  Deschampsia cespitosa subsp. cespitosa Beryl O. Schreiber 1938-7-9 2523 Plumas 1 mi. e. Meadow Valley; Plumas Nat'l Forest, Bidwell Bar Quad. 1066 Comment
  CAS-BOT-BC198158  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor 1828 Comment
  RSA201362  Deschampsia danthonioides J. T. Howell 1960-7-19 35619 Plumas Lassen Volcanic National Park; Drakesbad 1677 Comment
  UC790983  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas w. side Lake Almanor 1828 Comment
  CAS-BOT-BC201891  Deschampsia elongata A. A. Heller 1915-7-7 12068 Plumas Near the summit of Soapstone Ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CAS-BOT-BC201897  Deschampsia elongata John Thomas Howell 1961-6-21 36685 Plumas Greenville 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
  CHSC100042  Deschampsia elongata Lowell Ahart 2008-7-16 15093 Plumas Northwest edge of a small meadow (swamp) about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  HSC100813  Deschampsia elongata Lowell Ahart 2008-9-10 15369 Plumas Bottom of East Branch Creek, E side of Quincy La Porte Rd., 1 3/4 air mi. S of Little Grass Valley Reservoir, 1 mi. NE of La Porte. 1594 Comment
  RSA71131  Deschampsia elongata L. S. Rose 1951-6-28 51027 Plumas McRae Meadows, 8 mi. sw of Johnsville 1951 Comment
  CHSC80819  Descurainia incisa subsp. incisa Lowell Ahart 2001-7-19 8938 Plumas Steep slope, on the east side of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  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
  CHSC96994  Descurainia pinnata subsp. intermedia L. P. Janeway; B. Castro 2007-6-7 9033 Plumas Northern High Sierra Nevada. Upper end of lower Thompson Valley 1.9 km north of Red Clover Creek. 1672 Comment
  POM186832  Descurainia sophia D. D. Keck 1664 Plumas Quincy, in the northern Sierra Nevada. 1067 Comment
  UCD95068  Dicentra formosa subsp. formosa Dean Ahrenholz 1964-5-16 23 Plumas Feather River Canyon, U.S. Highway 40A. Comment
  JEPS101202  Dichanthelium acuminatum subsp. fasciculatum Dean Wm. Taylor with Glenn Clifton 1990-8-10 11444 Plumas Lassen National Park, Sulphur Works, in thermal area on south side of Highway near main hot springs 2118 Comment
  JEPS110528  Dichanthelium acuminatum subsp. fasciculatum Lowell Ahart 2006-10-23 13499 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  SEINET241786 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 d Plumas Lassen NP ; Devils Kitchen, Hot Springs Creek Canyon, 1.5 miles W. of Drakesbad. 1859 Comment
  RSA184938  Dichanthelium acuminatum var. fasciculatum L. S. Rose 1966-7-27 66070 Plumas Butterfly Valley, 3 miles w. of Keddie 1067 Comment
  UC1586059  Dichelostemma congestum Barbara Ertter 1989-7-4 8692 Plumas Coyote Flat w of Lake Almanor (4.2 mi w of Hwy. 89 jct. with Hwy. 36); Coyote Flat 1524 Comment
  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-BC502702  Dichelostemma multiflorum Catherine Best 1984-6-19 996 Plumas On A15 about 2 miles east of Hwy. 89 Comment
  RSA59106  Dichelostemma multiflorum E. K. Balls 1950-8-30 15510 Plumas 1 mile west of Feather River Experiment Station, 4 miles north of Quincy. 1220 Comment
  CHSC36922  Dieteria canescens M. S. Taylor 1982-8-27 5046 Plumas SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. 1493 Comment
  CAS-BOT-BC299762  Dieteria canescens var. canescens L. P. Janeway 1990-9-14 3849 Plumas Southeast-facing slope above Meadow Creek about half way between Mt. Ingalls and Red Clover Creek, Beckwourth Ranger District, Mt. Ingalls Compartment, Plumas National Forest 2103 Comment
  JEPS113931  Dieteria canescens var. canescens W. and N. Harnach 2000-9-3 1003 Plumas Sierra Valley, Gold Development, along the river trail. Comment
  CAS-BOT-BC290980  Dieteria canescens var. shastensis Emily K. Mcpherson 1976-11-7 76- 32 -6 Plumas 5 miles north of Beckwourth 2055 Comment
  CAS-BOT-BC151813  Diplacus mephiticus Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas About 6 miles west of Johnsonville, on road from Mohawk Comment
  CHSC21208  Diplacus mephiticus F. T. Griggs; A. Pass 1975-7-11 162 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC53174  Diplacus mephiticus L. P. Janeway 1989-4-9 3276 Plumas Forest along southwest side of Red Clover Valley. Plumas National Forest. 1691 Comment
  CHSC63276  Diplacus mephiticus Lowell Ahart 1994-6-15 7332 Plumas On the north side the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  CHSC73823  Diplacus mephiticus B. Castro 1997-6-9 730 Plumas Ca 4.5 air mi W of Little Grass Valley Reservoir, on N flank of Camel Peak, approx. halfway between the peak and USFS Rd 22N25, on E side of jeep Rd 22N50X which climbs the peak. 1694 Comment
  CDA32779  Dittrichia graveolens Tim Gibson 2009-9-28 PDR# 1409541 Plumas Shoulder of Highway 70 in Feather River Canyon. 0 Comment
  CAS-BOT-BC136101  Dodecatheon alpinum M. S. Taylor 1982-7-12 4820 Plumas In wet meadow in McRae Meadows, ca. 6 mi w of Mohawk 1889 Comment
  CHSC60554  Dodecatheon alpinum L. P. Janeway 1992-5-14 4177 Plumas Plumas National Forest Beckwourth Ranger District Westside Compartment. North side of Big Grizzly Creek at northwest end of Lake Davis. Large grassy/sedgy meadow. 1764 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
  POM181051  Downingia bacigalupii A. A. Heller, P. B. Kennedy 1907-7-2 8677 Plumas Between Vinton and Beckwith. [Beckwourth] Comment
  UC890636  Downingia bacigalupii Mrs. A. L. Coombs 1906-7 Plumas Prattville Comment
  UC579512  Downingia bicornuta var. bicornuta E. Sawyer 1935-6-11 98 Plumas 4.75 mi se East Butte, Sierra County 1493 Comment
  UC117775  Draba aureola Mrs. R. M. Austin 1882-8-5 Plumas near the base Lassen's Peak (on the banks of Dutch Hill Ditch); near base Lassen's Peak, banks Dutch Hill Ditch Comment
  CAS-BOT-BC41401  Draba verna Mrs. Joseph Clemens 1920-2-25 7000 Plumas Crescent Mills. Comment
  JEPS115204  Draperia systyla Lowell Ahart, John Dittes 2009-7-15 16100 Plumas On broken rock, northeast of the power line, on the east side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  RSA189334  Draperia systyla L. S. Rose 1967-7-12 67141 Plumas Cresta, N Fork, Feather River. 762 Comment
  SD7206  Draperia systyla R. M. Austin 1879-1 Plumas Big Meadows Comment
  UC1124248  Draperia systyla F. W. Embree 1934-6-6 72 Plumas South slope of Bucks Mountain; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  UCD105968  Draperia systyla Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 320 Comment
  JEPS84392  Drosera X obovata V. Oswald and W. Dempsey 1989-8-3 3914 c Plumas se Drakesbad (just s of voundary of Lassen Volcanic National Park); Willow Lake 1676 Comment
  JEPS84396  Drosera X obovata V. Oswald and W. Dempsey 1989-8-24 3968 Plumas ca 13 air mi s Chester; Humbug Valley, Big Springs 1316 Comment
  UCD99505  Drosera anglica Barry Meyers-Rice 1999-8-7 MR 990801 Plumas at Willow Lake. Comment
  RSA0011653  Drosera anglica Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  UC1485469  Drosera rotundifolia M. S. Taylor 1981-6-15 3906 Plumas n side of Bucks Lake Rd. 0.2 mi n Bucks Summit (ca 4 air mi sw of Meadow Valley); Bucks Lake quad. 1645 Comment
  CAS-BOT-BC159583  Drymocallis glandulosa var. glandulosa John Thomas Howell 1961-6-21 36628 Plumas Greenville - Sierra Nevada 1097 Comment
  CAS-BOT-BC159302  Drymocallis lactea var. lactea Anna Head 1921-1-1 s.n. Plumas Feather River Region Comment
  CAS-BOT-BC113790  Dulichium arundinaceum V. Oswald; Lowell Ahart 1988-8-4 3662 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic Natl Park. 1676 Comment
  CHSC44258  Dulichium arundinaceum Vernon Oswald 1988-7-19 3602 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CHSC54537  Dulichium arundinaceum V. Oswald; S. Mitchelson, C. Livingston 1991-8-21 4839 Plumas Lassen Volcanic Park. Little Willow Lake located on the south edge the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  UCSB63771  Dulichium arundinaceum Janeway, L. 1998-9-10 Plumas Along the northwest shore of Snake Lake; about 5 mi. northwest of Quincy; T24N, R9E, NE1/4 of NE1/4 of sec. 6, Meadow Valley Quad. 1205 Comment
  JEPS122314  Dysphania pumilio Lowell Ahart 2014-8-31 19826 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
  UC1101543  Elatine brachysperma Malcolm A. Nobs and S. Galen Smith 1949-8-18 1348 Plumas s end Lake Almanor 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
  JEPS102762  Eleocharis acicularis Lowell Ahart 2001-9-24 9195 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
  UC1133528  Eleocharis acicularis H. S. Yates 1936-8-12 6088 Plumas Lake Almanor Prattville Quadrangle Comment
  JEPS113679  Eleocharis acicularis var. acicularis Lowell Ahart, Josephine Guardino 2007-7-20 14325 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  JEPS115895  Eleocharis acicularis var. bella Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16153 Plumas Meadow 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
  CHSC82149  Eleocharis bella L. P. Janeway 2001-7-25 7389 B Plumas High Cascade Range. Southwest side of Lake Almanor, below high water line, about 100 m out; near Hwy 89 2.3 km north-northwest of Almanor West Road. 1372 Comment
  JEPS113933  Eleocharis bella W. and N. Harnach 2000-8-2 967 Plumas Sierra Valley 1.5 miles south of Highway 70 on A-23, 0.25 miles east of A-23. South of Beckwourth, CA (Sierra Valley Farms) Comment
  CAS-BOT-BC113384  Eleocharis engelmannii Thomas H. Kearney 1944-8-14 17 Plumas Near Prattville, Lake Almanor Comment
  CHSC81172  Eleocharis engelmannii Lowell Ahart 2001-9-24 9197 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
  CHSC84223  Eleocharis engelmannii Lowell Ahart 2003-7-18 10427 Plumas 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
  CDA33185  Eleocharis engelmannii L. Ahart 2001-8-28 9197 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 Comment
  JEPS122329  Eleocharis engelmannii var. engelmannii Lowell Ahart 2014-9-9 19856 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  CAS-BOT-BC113329  Eleocharis montevidensis Fred Sommers; Greg Sommers 1976-7-20 104 Plumas Plants of the Marble Hot Springs Area, Sierra Valley Marsh. 1487 Comment
  SEINET9084151  Eleocharis parishii L. Ahart 1997-9-11 7899 Plumas On the W edge of Caribou Road, on the W side of the North Fork of the Feather River, ca 1.8 mile S of mosquito Creek, ca 5 air miles NE of Belden. 792 Comment
  CAS-BOT-BC112079  Eleocharis quinqueflora Robert J. Weatherby 1955-6-26 1545 Plumas Mud Lake, Lakes Basin Area 2103 Comment
  CHSC80885  Eleocharis quinqueflora Lowell Ahart; Vernon H. Oswald 2001-7-11 8889 Plumas Meadow, on the east side of the dirt road, about 1/4 mile northwest of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) northwest of Greenville. 1447 Comment
  JEPS111102  Eleocharis torticulmis L. P. Janeway, Linnea Hanson, Jerold Hustafa, Jim Battagin 2000-9-13 6969 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 Comment
  SBBG705  Elymus elymoides A. A. Beetle 1941-6-28 2804 Plumas St Hwy 36, 10 mi W of Chester 1524 Comment
  CHSC97530  Elymus elymoides subsp. californicus Lowell Ahart; John Dittes 2007-6-16 14143 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
  SBBG32359  Elymus glaucus L. S. Rose 1968-6-10 68089 Plumas Quincy 1036 Comment
  SEINET10554337  Elymus glaucus John Thomas Howell 1975-7-22 Howell 51373 Plumas In the Transition Life Zone, 2 miles northwest of Spring Garden. In woods adjacent to but not on serpentine. 1173 Comment
  CAS-BOT-BC206515  Elymus glaucus subsp. glaucus John Thomas Howell; Walter Knight; Irja Knight 1966-7-28 1523 Plumas Area adjacent to north en Pond Reservoir - Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC206518  Elymus glaucus subsp. glaucus John Thomas Howell 1959-9-26 35054 Plumas Near Virgilia - Sierra Nevada 841 Comment
  OBI22562  Elymus hispidus Lewis S. Rose 1968-6-10 68088 Plumas Quincy 1036 Comment
  OBI21785  Elymus trachycaulus Lewis S. Rose 1968-6-10 68095 Plumas Quincy 1036 Comment
  CAS-BOT-BC204250  Elymus trachycaulus subsp. subsecundus Lowell Ahart 1980-8-27 2589 Plumas Edge of dirt road ca. 0.1 mi. N of Feather Fork Mine, ca. 8 mi. N of La Porte 2000 Comment
  CHSC97081  Elymus trachycaulus subsp. subsecundus Lowell Ahart; Josephine Guardino 2007-7-20 14314 Plumas South of a small drainage, northeast of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  JEPS121765  Elymus trachycaulus subsp. subsecundus B. Castro and L. P. Janeway 2009-8-29 1800 C Plumas Northern High Sierra Nevada. At eastern end of Red Mountain, 0.13 mi S of the Buckhorn survey monument; 0.2 mi upslope of the jcn of USFS Rd 23N69 and Rd 23N36Y ( to Martin Mine). Comment
  CHSC36852  Elytrigia intermedia subsp. barbulata M. S. Taylor 1982-6-28 4761 Plumas Ramelli Ranch, between Calpine Rd (109) and cow pastures; ca. 1 mi w of Beckwourth, s of Hwy 70. 1487 Comment
  CHSC92827  Elytrigia intermedia subsp. intermedia Lowell Ahart; Josephine Guardino 2005-8-10 12310 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
  CHSC94957  Elytrigia repens Samantha Mackey Hillaire 2006-9-10 1228 Plumas Sierra Nevada. Buck's Lake area. Oro-Quincy highway; roadside (north side), south of a large meadow around Haskin's Bay. 1584 Comment
  CAS-BOT-BC392227  Enemion stipitatum W. I. Follett; Evelyn B. Follett 1952-5-3 s.n. Plumas Rich Gulch 1173 Comment
  UC1134413  Ephedra viridis C. W. Hanks 1934-8-14 51 Plumas ne <end> Sierra Valley; Sierraville Quad., Plumas National Forest Comment
  UCD132879  Ephedra viridis Beecher Crampton 1954-5-11 1882 Plumas Lassan County Border, Beckwourth Pass, along highway 24. 1588 Comment
  CAS-BOT-BC165923  Epilobium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54097 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  CAS-BOT-BC494104  Epilobium campestre William Harnach 2000-8-2 962 Plumas Sierra Valley. 1.5 mi S of Hwy 70 on A-23, 0.25 mi E of A-23. South of Beckwourth (Sierra Valley Farms) 1487 Comment
  CHSC113892  Epilobium canum subsp. latifolium Lowell Ahart 2014-8-24 19755 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC64119  Epilobium canum subsp. latifolium B. Castro; R. A. Schlising 1987-7-21 172 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N98 and 22N42 on hillside below roads. 1539 Comment
  JEPS44030  Epilobium canum subsp. latifolium W. L. Jepson 1918-8-16 8019 Plumas Genesee Valley 1097 Comment
  POM172125  Epilobium canum subsp. latifolium J. G. Lemmon 1874-09 s.n. Plumas [no additional locality information provided] Comment
  UCD105466  Epilobium canum subsp. latifolium R. Carter 1966-7-10 475 Plumas 2 miles N of Bucks summit along W side of Oroville-Quincy Road. 1615 Comment
  CDA13367  Epilobium ciliatum subsp. ciliatum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13216 Plumas Sierra Nevada; Rattlesnake Creek on S side of Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Comment
  CHSC24272  Epilobium ciliatum subsp. ciliatum K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  CHSC43403  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1977-7-26 1495 Plumas Along the dirt road to Bunker Hill Creek, east of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  JEPS102810  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2001-8-29 9242 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS103374  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2002-7-2 9823 Plumas In a logged over area on the S side of Forest Road 22N94, E of Forest Road 22N94E, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1606 Comment
  JEPS39279  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1924-7-25 10638 Plumas Meadow Valley 1158 Comment
  CHSC75925  Epilobium densiflorum G. F. Hrusa 1996-8-2 13439 Plumas Sierra Nevada. At SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Above Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1840 Comment
  UCR67649  Epilobium densiflorum J. T. Howell 1961-9-24 36904 Plumas Sierra Nevada Mtns., Feather river bed SW of Beckworth. 1488 Comment
  CDA13563  Epilobium glaberrimum subsp. fastigiatum G. F. Hrusa, T. D. Wilfred 1996-7-22 13391 Plumas Sierra Nevada; Plumas Natl. Forest. Little Long Valley Creek. Approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  CHSC21653  Epilobium glaberrimum subsp. glaberrimum D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake. Comment
  CHSC88155  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2004-7-27 11316 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  CHSC37014  Epilobium hallianum M. S. Taylor 1982-6-14 4659 Plumas Pioneer Meadow, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. 1536 Comment
  UC572521  Epilobium hallianum E. Sawyer 1935-6-22 182 Plumas 1.6 mi ne Grizzly Peak; Sierraville Quadrangle 1767 Comment
  UC1552726  Epilobium minutum Frederica Bowcutt 1985-6-6 554 Plumas along Beckwourth Genessee Rd 1 mi from Drum Bridge (about 15 air mi ne of Quincy); Plumas National Forest Comment
  SD46719  Epilobium oregonense Robert Weatherby 1955-7-2 1583 Plumas Common in damp meadow bordered by Pinus murrayana. Red Fir Forest. Wilcox Valley. 1768 Comment
  SEINET8726254 Image available Epilobium paniculatum H. S. Reed 1941-1 s.n. Plumas Forest Lodge 1097 Comment
  SEINET6167147  Epipactis gigantea A. A. Heller, P. B. Kennedy 1907-7-16 8871 Plumas Grade between Genessee Valley and Summit Comment
  CAS-BOT-BC57897  Equisetum X ferrissii John Thomas Howell; Gordon H. True 1967-7-9 43250 Plumas North Fork of Feather River 3 mi. sw. of Caribou. 853 Comment
  CAS-BOT-BC56994  Equisetum arvense John Thomas Howell 1976-7-15 51856 Plumas Snake Lake, about 4 miles northwest of Quincy 1219 Comment
  CHSC31267  Equisetum arvense F. T. Griggs; A. Pass 1975-7-17 228 Plumas Buck's Lake Forest Service Survey. Comment
  SBBG133124  Equisetum arvense B. C. Templeton 1968-1 11283 Plumas unknown Comment
  JEPS125816  Eragrostis cilianensis William Harnach 2015-7-20 1432 Plumas Just South of the intersection of Co. Rd. A-24 and Marble Lane. Comment
  JEPS125821  Eragrostis pectinacea var. pectinacea William Harnach 2015-7-20 1431 Plumas Just South of the intersection of Co. Rd. A-24 and Marble Lane. Comment
  CAS-BOT-BC174182  Eremogone cliftonii Clare B. Hardham 1978-4-17 21583 Plumas Between Indian Joe and Caribou. Feather River Canyon 609 Comment
  JEPS91139  Eremogone cliftonii Dean Wm. Taylor with Glenn Clifton 1997-4-9 15947 Plumas Feather River Canyon; along Highway 70 about 0.5 miles E of crossing of Chambers Creek; Plumas National Forest Comment
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  SEINET12875581 Image available Eremogone congesta var. suffrutescens John Thomas Howell, T. C. Fuller and G. D. Barbe 1981-1 54357 Plumas Near Indian Creek about 0.75 mi. NW of NW arm of Antelope Reservoir 1585 Comment
  CHSC110275  Eremogone kingii var. glabrescens L. P. Janeway 2012-6-2 10843 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1833 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
  CAS-BOT-BC286646  Ericameria bloomeri John Thomas Howell; Gordon H. True 1973-7-31 50076 Plumas Summit ridge of Thompson Peak. Diamond Range 2362 Comment
  CAS-BOT-BC286649  Ericameria bloomeri L. P. Janeway 1993-9-28 4603 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; ca 3.5 mi east of Portola, ca 1.3 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River 1499 Comment
  RSA201300  Ericameria bloomeri J. T. Howell 1960-8-20 36282 Plumas Kelly Camp, near Drakesbad. 1616 Comment
  UC1118682  Ericameria bloomeri C. G. Albertus 1935-8-15 268 Plumas 1.5 mi se Cates; Plumas National Forest, Downieville Quad. 1783 Comment
  UCD131331  Ericameria bloomeri M. S. Taylor 1981-8-25 4235 Plumas Red Hill Lookout, around 3 air miles northeast of Belen. 1920 Comment
  CAS-BOT-BC294285  Ericameria nauseosa var. speciosa E. K. Balls 1950-9-14 15819 Plumas 6 mi. northwest of Chester, North Fork Feather River 1402 Comment
  CAS-BOT-BC294288  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-25 35021 Plumas Summit of Beckwourth Pass 1588 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
  JEPS118406  Ericameria nauseosa var. speciosa Lowell Ahart 2011-9-17 17676 -B Plumas On the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam 1687 Comment
  UC1119835  Ericameria nauseosa var. speciosa C. G. Albertus 1935-8-29 279 Plumas 2 mi e of Grizzly Peak; Plumas National Forest, Sierraville Quad. 1767 Comment
  CAS-BOT-BC293023  Ericameria parryi var. nevadensis John Thomas Howell 1961-9-25 36964 Plumas Portola 1478 Comment
  CHSC62423  Ericameria parryi var. nevadensis L. P. Janeway 1993-8-10 4514 Plumas Plumas National Forest. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. 1487 Comment
  JEPS21533  Ericameria parryi var. nevadensis W. L. Jepson 1939-8-12 19384 a Plumas sw edge of Honey Lake (Lassen-Plumas Co. boundary); Diamond Mts., Black Mt. 1981 Comment
  JEPS75255  Ericameria parryi var. nevadensis John Thomas Howell 1974-9-20 50902 Plumas near Spring Garden; Sierra Nevada 1158 Comment
  JEPS75282  Ericameria parryi var. nevadensis John Thomas Howell 1959-9-24 34976 Plumas Beckwourth 1493 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
  CAS-BOT-BC297149  Erigeron concinnus var. concinnus Alice Eastwood 1927-6-27 14874 Plumas Near Chilcoot 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-BC297192  Erigeron coulteri L. P. Janeway 1990-7-25 3814 Plumas About 0.2 mi. northwest of Emigrant Creek and about 0.3 mi. southeast of Little Grizzley Creek, Plumas National Forest, Beckwourth Ranger District, Cascade Compartment 1828 Comment
  CDA18458  Erigeron divergens G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3177 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
  RSA641874  Erigeron eatonii Michael A. Vincent 1999-6-7 8526 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  CHSC72432  Erigeron eatonii var. plantagineus L. P. Janeway 1998-7-1 5706 Plumas Along the road on the west side of Frenchman Lake (Road 25N11) 0.9 mi north of Road 28N01 (west into Dixie Valley). 1719 Comment
  UC1730238  Erigeron eatonii var. plantagineus L. P. Janeway 1998-6-24 5667 Plumas near Ferris Cabin (along Road 28N03, S side of Ferris Creek about 1 mi SW of Last Chance Creek) 1670 Comment
  CAS-BOT-BC300400  Erigeron eatonii var. plantagineus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54347 Plumas 4.8 miles northwest of Antelope Reservoir 1661 Comment
  OBI50214  Erigeron eatonii var. plantagineus Barbara Ertter, Gary Schoolcraft 1989-7-3 8676 Plumas W side of ridge between Diamond Mt and Red rocks, ca 8 airmiles S of Susanville; stem slope near snowbank above meadow, T28N R11E sec 11 NE1/4 2225 Comment
  CAS-BOT-BC295231  Erigeron inornatus M. S. Taylor 1981-7-6 3980 Plumas In the y of the 2 Ross Canyon Rds (25N31A & B) ca. 1.5 mi e of Dixie Valley Rd (28N10), ca. 16 air mi nw of Chilcoot 1889 Comment
  CDA15404  Erigeron inornatus var. inornatus G. F. Hrusa 1996-8-23 13527 Plumas Sierra Nevada; alongside USFS 23N51, W side of Bull Run Creek approx. 1/4 mi. above road crossing. 1.5 mi. E of Lava Peak, & 2.5 mi. NE of Cromwell townsite. Comment
  CHSC91938  Erigeron inornatus var. inornatus Lowell Ahart; Josephine Guardino 2005-8-9 12287 Plumas North of Fant Creek, about 50 yards north of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  JEPS114526  Erigeron inornatus var. inornatus Lowell Ahart 2008-8-14 15198 Plumas 20 yards northeast of the metal gate, east side for Forest Road 22n68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  JEPS87536  Erigeron inornatus var. inornatus Lowell Ahart 1993-9-24 7266 Plumas e side of Cleghorn Bar Road near Monitor Flat (about 3 mi nw of Pilot Peak) 1828 Comment
  SEINET10474627  Erigeron inornatus var. viscidulus Mary Susan Taylor 1981-8-25 Taylor 4238 Plumas California: T25N R7E ne1/4 sw1/4 sec 10. Almanor SW quad. Red Hill Lookout, ca. 3 air mi NE of Belden. On serpentine. Plumas County. 6300 ft. 1920 Comment
  CHSC115898  Erigeron lassenianus var. deficiens L. P. Janeway 2015-7-29 11808 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
  CAS-BOT-BC295484  Erigeron lassenianus var. lassenianus John Thomas Howell; Gordon H. True 1967-7-11 43278 Plumas 2 miles from Quincy Junction on road to Mt. Hough 1219 Comment
  UC468812  Erigeron lassenianus var. lassenianus H. M. Hall 1912-6-26 9276 Plumas Butterfly Valley Sierra Nevada Mountains 1158 Comment
  CHSC72436  Erigeron nevadincola L. P. Janeway 1998-7-1 5705 Plumas 50 ft west (downhill) of Road 25N11, 0.4 mi northwest of Cottonwood Campground. 1767 Comment
  CAS-BOT-BC295791  Erigeron petrophilus var. sierrensis G. L. Stebbins 1968-8-1 6844 Plumas Devil's Punchbowl, on Grizzly Mountain north of Quincy 2225 Comment
  CHSC69701  Erigeron petrophilus var. sierrensis Vernon Oswald; Lowell Ahart 1997-9-18 8878 Plumas Ca. 4.25 air mi west of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 3.6 mi northest of its junction with 26N26 (to Humbug Valley). 1335 Comment
  CHSC82080  Erigeron petrophilus var. sierrensis L. P. Janeway 2001-8-5 7427 Plumas High Cascade Range. Slopes on east side of Yellow Creek about 8.9 km south of Humbug Valley along Road 26N26. 1305 Comment
  CHSC98710  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9189 Plumas Northern High Sierra Nevada. Above Road 24N31 about 0.8 air km east of Little Schneider Creek. 1402 Comment
  CAS-BOT-BC300118  Erigeron pumilus var. intermedius Gary Schoolcraft No date on label 2238 Plumas Unspecified 1554 Comment
  CHSC45930  Eriodictyon californicum Lowell Ahart 1981-6-25 2883 Plumas On the road cutbank, along the dirt road, about 1 mile north of Nelson Creek, about 16 miles north-east of La Porte. 1554 Comment
  UCD119305  Eriodictyon lobbii John Thomas Howell 1960-7-24 35993 Plumas Kelly Camp, just south of Lassen Park. 1615 Comment
  CHSC60542  Eriogonum baileyi var. baileyi L. P. Janeway 1992-7-23 4278 Plumas Plumas National Forest Beckwourth Ranger District Jackson Compartment. Gravel bar on north side Middle Fork Feather River near mouth of Bonta Creek and below the Mohawk Ranger Station. 1315 Comment
  CAS-BOT-BC244040  Eriogonum baileyi var. praebens Lewis S. Rose 1934-7-23 34417 Plumas Chilcoot 1524 Comment
  SBBG62000  Eriogonum douglasii A. A. Heller, P. B. Kennedy 1907-7-4 Plumas E of Red Clover Valley Comment
  RSA165450  Eriogonum douglasii var. douglasii Clare B. Hardham 1961-6-16 7477 Plumas Sierra Nevada Mountains: Diamond Peak 305 Comment
  SEINET10479800  Eriogonum douglasii var. douglasii Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3857 Plumas T25N R14E sw sec 27, Crocker Mt quad. Jct of Beckwourth-Milford Rd and Squaw Valley Rd, in Squaw Valley, ca. 11 mi N of Beckwourth; elevation ca. 5600 ft. 1707 Comment
  CHSC36346  Eriogonum lobbii M. S. Taylor 1982-8-5 4930 Plumas Mt. Hough summit, on cliff edge, ca. 7 mi nne of Quincy. 2194 Comment
  CHSC63465  Eriogonum lobbii Lowell Ahart 1994-7-22 7489 Plumas Open steep areas, south of the Pacific Crest Trail, west of the large twin rocks on the north-east side of Mount Etna. (label said Sierra County also). 1981 Comment
  SEINET10479516  Eriogonum lobbii Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4325 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET10838768  Eriogonum marifolium Mary Susan Taylor 1981-7-17 Taylor 4034 Plumas T21N R12E se/se sec 7, Sierra City NW quad. Lakes Basin area, Bear Lakes trail, just S of spur trail to Gold Lake Lodge, ca. 6 mi S of Mohawk. 6500 ft elev. 1981 Comment
  CAS-BOT-BC263313  Eriogonum marifolium var. marifolium Anna Head 1920-7-28 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC268691  Eriogonum microthecum var. laxiflorum Clare B. Hardham 1970-8-9 17716 L Plumas Road to Thompson Peak Lookout 2133 Comment
  SEINET10871634  Eriogonum microthecum var. laxiflorum Mary Susan Taylor 1982-8-31 Taylor 5084 Plumas T28N R11E se/sw sec 11. Diamond Mt quad. Summit of Red Rock Lookout, ca. 15 mi ne of Taylorsville. Dry rocky open ridge. 7618 ft. 2322 Comment
  CAS-BOT-BC261365  Eriogonum nudum var. deductum Anna Head 1921-7-15 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC261368  Eriogonum nudum var. deductum Robert J. Weatherby 1950-8-11 1520 Plumas Mt. Elwell, Lakes Basin Area 2225 Comment
  CHSC76140  Eriogonum nudum var. deductum G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3102 Plumas Reservoir shore 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  JEPS127340  Eriogonum nudum var. deductum Lowell Ahart 2016-7-9 21093 Plumas Top and on the north side Table Mountain, about 2 miles (air) northwest of of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  RSA766347  Eriogonum nudum var. deductum Joseph A. Ewan 1934-6-25 8205 Plumas Gold Lake Road above Dentens (Blairsden). 1524 Comment
  RSA59398  Eriogonum nudum var. deductum E. K. Balls 1950-9-11 15782 Plumas Lakes Center Public Campground, trail leading to Gold Lake road 2043 Comment
  SEINET10479528  Eriogonum nudum var. deductum Mary Susan Taylor 1981-7-6 Taylor 3978 Plumas 6200-6400 ft. T25N R15E se/sw sec 32. Dixie Mt quad. In the Y of the 2 Ross Canyon Rds (25N31A & B), ca. 1.5 mi E of Dixie Valley Rd (28N01), ca. 16 air mi NW of Chilcoot. Open, dry gravelly soils; 1890 Comment
  CAS-BOT-BC261601  Eriogonum nudum var. nudum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54130 Plumas At Round Valley Reservoir dam 1371 Comment
  CHSC36210  Eriogonum nudum var. nudum M. S. Taylor 1982-7-7 4783 Plumas N side of 23N26 just e of its jct with 23N35, s side of Big Hill, ca. 3 air mi s of Sloat. 1615 Comment
  CHSC41964  Eriogonum nudum var. nudum Lowell Ahart 1986-7-25 5368 Plumas Along Cleghorn Bar Road, about 1 1/2 miles west of Finger Bar Board, about 4 miles northwest of Pilot Peak. 1828 Comment
  CHSC66766  Eriogonum nudum var. nudum Vernon H. Oswald; Lowell Ahart 1996-8-14 8160 Plumas Northern High Sierra Nevada. Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Common in hydraulic mine tailings along the road. 1127 Comment
  CHSC69216  Eriogonum nudum var. nudum J. D. Jokerst 1984-9-22 2149 Plumas Top of ridge separating Yellow Cr and the N Fk Feather River along USFS road 26N26. 1463 Comment
  SEINET11262393  Eriogonum nudum var. nudum Robert L. Johnson, Mikel R. Stevens 2015-7-13 3974 Plumas Northern High Sierra Nevada. Northeast side of La Porte off Main St (Quincy La Porte Rd) near jct with Gold St. E side of road.; 0 1518 Comment
  CAS-BOT-BC261593  Eriogonum nudum var. nudum James L. Reveal 1971-6-23 2466 Plumas Along California Highway 89, 4 miles northwest of Greenville and about 4 miles southeast of Canyondam 1219 Comment
  CAS-BOT-BC269730  Eriogonum nudum var. oblongifolium T. C. Fuller; G. D. Barbe 1981-6-23 54131 Plumas At Round Valley Reservoir dam 1371 Comment
  POM161732  Eriogonum nudum var. oblongifolium R. C. Bacigalupi 1927-7-12 1725 Plumas at Quincy Junction Station 1067 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
  UCD100719  Eriogonum nudum var. pubiflorum K. L. Olsen 1949-7-31 25 - Plumas Feather River Canyon, 2 miles north of Howells, on road to Caribou. Comment
  RSA7883  Eriogonum pedunculatum H. A. Barker 1927-7-16 818 Plumas Along Feather River near Mohawk. 1372 Comment
  CHSC57091  Eriogonum spergulinum var. reddingianum L. P. Janeway; Garrett Gibson 1991-7-11 4069 Plumas Plumas National Forest Beckwourth Ranger District Westside Compartment. Between Smith Peak and the southwest corner of Lake Davis; between Humbug Creek and Dan Blough Creek. Bare ground openings in Artemisia tridentata scrub openings in yellow pine forest. 1798 Comment
  JEPS113829  Eriogonum spergulinum var. reddingianum Lowell Ahart, John Dittes 2007-6-17 14175 Plumas Near wire box, about 100 yards southwest of County Road 111 (Beckwourth Genesee 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
  SEINET1909917  Eriogonum spergulinum var. reddingianum Barbara Ertter 1988-1 7853 Plumas Diamond Mts, ca 15 airmiles due S of Susanville, sheep camp on Pierce Creek 1981 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
  CDA17286  Eriogonum strictum var. anserinum G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16313 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
  UC2043047  Eriogonum strictum var. proliferum Barbara Ertter with Gary Schoolcraft 1989-7-3 8640 Plumas Ca 1/2 mile below Red Rock lookout, ca. 8 air miles S of Susanville. Comment
  UC584344  Eriogonum strictum var. proliferum G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2239 Plumas n Engelmine (sw slopes and ride crest Red Rock); Red Rock Comment
  UCD148551  Eriogonum umbellatum G. Ledyard Stebbins 1986-6-29 C 607 Plumas Approximately 5 miles north of the town of Meadow Valley. Along Forest Service road no. 25 N-17, above Bean Creek. (Exact location unknown. Coordinates estimated by label maker). 1420 Comment
  CAS-BOT-BC267501  Eriogonum umbellatum John Thomas Howell 1951-6-29 27748 Plumas Spring Garden Creek 1158 Comment
  UC174723  Eriogonum umbellatum var. dumosum A. A. Heller with P. B. Kennedy 1907-7-15 8838 Plumas below Genessee (near mouth of Little Grizzly creek); Little Grizzly creek Comment
  CHSC82544  Eriogonum umbellatum var. modocense Lowell Ahart 2002-7-18 9859 Plumas Basalt ridge, about 1/8 mile north 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, about 4 1/2 miles (air) northwest of La Porte. 1743 Comment
  CAS-BOT-BC265164  Eriogonum umbellatum var. nevadense Anna Head 1920-7-30 s.n. Plumas Lake Center Camp, Feather River Region 1920 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
  CHSC60546  Eriogonum umbellatum var. nevadense L. P. Janeway 1992-7-13 4262 Plumas Plumas National Forest Beckwourth Ranger District Cascade Compartment. Top of Grizzly Ridge between Joseph Creek and Greenhorn Creek. 2255 Comment
  JEPS104648  Eriogonum umbellatum var. nevadense Lowell Ahart 2002-7-18 9859 Plumas about 1/8 mi N of int. of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 air mi NW of Little Grass Valley Reservoir dam, about 4 1/2 air mi NW of La Porte; Lat. 39 deg. 44' 32.9, Long. 121 deg. 01' 29.5 1743 Comment
  RSA769021  Eriogonum umbellatum var. polyanthum L. Ahart 2008-8-13 15192 Plumas About 100 yards north of Kenzie Ravine and the road, about 0.5 miles east of Little Grassy Valley Reservoir, about 4 air miles northeast of La Porte. 1599 Comment
  CAS-BOT-BC262244  Eriogonum ursinum John Thomas Howell 1951-6-27 27630 Plumas Jamison Creek 1828 Comment
  CAS-BOT-BC262238  Eriogonum ursinum A. A. Heller; P. B. Kennedy 1907-7-13 8833 Plumas Between Taylorville [Taylorsville] and Little Grizzly creek Comment
  RSA339150  Eriogonum ursinum Margaret J. Williams 1983-8-12 83- 135 -1 Plumas W. side of the Sierra Nevada, near Jamison Creek, above Johnsville. 1677 Comment
  RSA756699  Eriogonum ursinum Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8639 Plumas ca 1/2 mile below Red Rock lookout, ca 8 airmiles S of Susanville 2134 Comment
  RSA766451  Eriogonum ursinum Joseph A. Ewan 1934-6-26 8287 Plumas Frazier Creek Falls, Gold lake road 1829 Comment
  CHSC117455  Eriogonum ursinum var. ursinum Lowell Ahart 2016-6-29 21081 A Plumas Top and southeast side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC62127  Eriogonum ursinum var. ursinum L. P. Janeway 1993-7-15 4440 Plumas Plumas National Forest Quincy Ranger District Hallsted Compartment. Steep northwest facing slope overlooking Virgilia (East Branch North Fork Feather River) at the saddle between Bean Creek (tributary of upper Spanish Creek) and Berry Creek (tributary of East Branch North Fork Feather River). 1563 Comment
  CHSC75519  Eriogonum ursinum var. ursinum G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3120 Plumas Dry rocky slope next to seep area in serpentine, 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  CAS-BOT-BC262327  Eriogonum vimineum W. Harnach; N. Harnach 1990-6-16 387 Plumas Sierra Valley. Frank Dotta Ranch 1524 Comment
  CHSC45854  Eriogonum vimineum Lowell Ahart 1981-7-18 2935 Plumas Growing on a steep gravelly roadcut, on the north side of Caribou Road, about 2 miles north of Belden. 1097 Comment
  CHSC97100  Eriogonum vimineum Lowell Ahart; Josephine Guardino 2007-7-20 14318 Plumas Along 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
  SEINET5332069  Eriogonum vimineum W. Harnach, N. Harnach 1990-6-16 387 Plumas Sierra Valley, NW of Vinton, Frank Dotta Ranch. 1524 Comment
  CAS-BOT-BC264124  Eriogonum vimineum L. P. Janeway 1991-8-4 4132 Plumas Along Beckwourth-to-Laufman Road (near district boundary) on the west side of Dixie Creek, Plumas National Forest, Beckwourth Ranger District 1676 Comment
  RSA59474  Eriogonum vimineum E. K. Balls 1950-9-16 15877 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, Hwy 89. 1433 Comment
  RSA65964  Eriogonum vimineum J. Ewan 1934-7-6 8182 Plumas road to Guidici Ranch, Penman Peak. 1524 Comment
  SCFS2089  Eriogonum vimineum N. Rechen 1964-7-16 134 Plumas 6 mi N of Sierraville by roadside 1501 Comment
  JEPS109895  Eriophorum gracile Dean W. Taylor 2004-8-15 19242 Plumas Lake Almanor, mouth of Mud Creek at its debouchment into the upper arm of the lake 1377 Comment
  CHSC9720  Eriophyllum lanatum var. grandiflorum Nancy Mosman 1971-7-11 87 Plumas Along w side of Hwy 70 ca. 0.6 mi s of Belden. 1025 Comment
  UC507150  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1933-7-5 E 117 Plumas 1 mi n Indian Falls ((Near type-locality of E chrysanthum, Rydberg!)) Comment
  CAS-BOT-BC308273  Eriophyllum lanatum var. integrifolium Alice Eastwood 1927-6-27 14881 Plumas On road from Chilcoot Comment
  UC1118251  Eriophyllum lanatum var. integrifolium E. Sawyer 1935-6-10 94 Plumas 4.75 mi wsw Summit; Sierraville Quadrangle Comment
  SEINET10840963  Eryngium articulatum Mary Susan Taylor 1982-9-8 Taylor 5110 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  RSA7881  Erysimum capitatum var. capitatum H. A. Barker 1927-7-6 783 Plumas Indian Head Peak, Gold Lake. 2073 Comment
  CHSC36342  Erythranthe lewisii M. S. Taylor; H. Swanson 1982-8-11 4961 Plumas Along 23N08, n side of the A-Tree, saddle at head of Florentine Canyon, ca. 5 air mi sw of Johnsville. 2042 Comment
  CHSC75544  Erythranthe microphylla G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3110 Plumas Northwest shore of Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CHSC108554  Erythranthe primuloides B. Castro; L. P. Janeway 2000-7-3 1301 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 Comment
  CHSC21568  Erythranthe primuloides L. M. Mayer; D. E. Brink Jr. 1975-7-23 Plumas Bucks Lake Floristic Survey. Comment
  RSA30124  Erythronium purpurascens J. T. Howell 1951-6-28 27684 Plumas Eureka Peak 1982 Comment
  UC338810  Erythronium purpurascens unknown 627 Plumas Indian Valley Comment
  CAS-BOT-BC505253  Erythronium purpurascens Alice Eastwood 1927-6-15 14534 Plumas United States forest reserve, on trail to Long Valley Comment
  SEINET10469555  Erythronium purpurascens Mary Susan Taylor 1981-5-8 Taylor 3655 A 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
  POM147061  Eschscholzia californica var. crocea Alice Eastwood 1927-6-12 14499 Plumas Forest Lodge, Greenville. Comment
  CAS-BOT-BC310382  Eucephalus breweri Robert J. Weatherby 1950-8-11 1519 Plumas Mt. Elwell, Lakes Basin Area 2286 Comment
  UC1075648  Eucephalus breweri Robert J. Weatherby 1950-8-11 1519 Plumas Mt. Elwell Lakes Basin Area, Mt. Elwell 2286 Comment
  CHSC37001  Eurybia integrifolia M. S. Taylor 1982-8-30 5077 Plumas S end of Taylor Lake, ca. 6 air mi NE of Taylorsville. 2103 Comment
  JEPS107494  Eurybia integrifolia Lowell Ahart, John Dittes 2005-9-19 12378 Plumas On the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  UC893032  Eurybia integrifolia Mrs. E. C. Sutliffe 1917-8-1 Plumas near Blairsdale Comment
  CAS-BOT-BC312257  Euthamia occidentalis John Thomas Howell 1959-9-21 34750 Plumas N. Fk. Feather River near Belden, Sierra Nevada 701 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
  UCD66090  Festuca idahoensis John Thomas Howell 1960-7-22 35885 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC278847  Festuca occidentalis John Thomas Howell 1961-6-21 36611 Plumas Greenville 1097 Comment
  CHSC94133  Festuca occidentalis Lowell Ahart 2006-7-9 12919 Plumas Below the basalt gravel road, about 2 miles (air) west of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir. 1648 Comment
  JEPS106217  Festuca occidentalis Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11004 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  CAS-BOT-BC279022  Festuca rubra John Thomas Howell; Gordon H. True 1969-6-23 45841 Plumas Quincy 1036 Comment
  POM112017  Festuca rubra Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  JEPS115900  Festuca subulata Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16107 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
  SBBG119860  Festuca subulata L. Ahart 2003-8-13 10506 Plumas E side of Hopkins Crk, ca. 1/8 mi S of where Hopkins Crk fks, SW of Turkey Town Diggings, ca. 1 air mi SW of Blue Nose Mtn, ca. 10.5 air mi NE of La Porte 1524 Comment
  CHSC112089  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 Long Valley Creek, along the dryish eastern edge of the large meadow on the northwest side of Happy Valley. 1746 Comment
  CHSC110623  Floerkea proserpinacoides B. Castro 2006-6-9 1556 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1 mi N of mouth of McReynolds Creek at red Clover Creek. 1668 Comment
  CHSC97547  Floerkea proserpinacoides Lowell Ahart; John Dittes 2007-6-17 14109 Plumas Gravel bars along 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
  SEINET11910371  Fragaria platypetala W. Knight, Knight, I. 1983-1 4897 Plumas Warner Crk Campground betw. Chester adn Drakesbad 1539 Comment
  SEINET6697500  Fragaria vesca subsp. bracteata A. A. Heller, B. B. Kennedy 1907-7-11 8811 Plumas Prattville Comment
  CAS-BOT-BC459444  Fragaria virginiana subsp. platypetala Ella Dales Cantelow 1938-7-4 2307 Plumas Drakesbad Comment
  CAS-BOT-BC55664  Frangula purshiana Margaret J. Williams; Betty Larson 1983-8-12 83- 135 -2 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsville 1676 Comment
  CAS-BOT-BC55676  Frangula purshiana Mary Strong Clemens 1920-5-26 s.n. Plumas Taylorsville Comment
  CHSC98707  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-13 9190 Plumas Northern High Sierra Nevada. At Road 23N20 crossing of Little Schneider Creek. 1308 Comment
  JEPS113884  Frangula purshiana subsp. ultramafica L. P. Janeway 2007-5-20 8982 Plumas Northern High Sierra Nevada; Top of Red Hill 1929 Comment
  CAS-BOT-BC55710  Frangula rubra subsp. obtusissima Walter Knight; Irja Knight 1969-6-26 2421 Plumas Summit of Red Hill 1934 Comment
  CAS-BOT-BC53797  Frangula rubra subsp. rubra Lewis S. Rose 1954-5-30 54070 Plumas Johnsville 1600 Comment
  CAS-BOT-BC59576  Frangula rubra subsp. rubra Walter Knight; Irja Knight; Gordon True; John Thomas Howell 1969-6-24 2441 Plumas Along roadside of hwy 70 near mouth of Butterfly Creek 883 Comment
  SEINET3442119  Frangula rubra subsp. rubra G. Douglas Barbe, Thomas C. Fuller 1982-6-15 3731 Plumas Plumas National Forest, Plumas National Forest, Red Hill Summit 1900 Comment
  RSA101473  Fritillaria atropurpurea R. Weatherby 1955-7-2 1566 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  CHSC23315  Fritillaria recurva Gary Wallace; L. DeBuhr 1972-5-21 1059 Plumas Ca. 1.5 mi east of junction of Hwys. 89 and 70 north of Graeagle. Comment
  CAS-BOT-BC504450  Fritillaria recurva Mary Strong Clemens 1920-5-21 s.n. Plumas Greenville Comment
  CHSC43371  Galium bolanderi Lowell Ahart 1976-7-16 1178 Plumas About 5 miles north-west of Little Grass Valley Reservoir. 1828 Comment
  JEPS115549  Galium bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16219 Plumas On dry rocky soil, north side of Forest Service Road 26N22, 4,650 feet northwest of Rattlesnake Hill, 3.0 miles (air) south-southeast of Lake Almanor Dam 1591 Comment
  JEPS6710  Galium bolanderi W. L. Jepson 1939-7-31 19290 Plumas w Meadow Valley 1524 Comment
  CHSC39369  Galium grayanum L. Ahart; P. Ahart 1983-8-17 4331 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-La Porte Rd, northeast of La Porte. Comment
  JEPS95834  Galium grayanum var. grayanum Lowell Ahart 1999-7-15 8093 Plumas about 50 yards east of the Quincy La Porte Road; about 3/4 mile south of Onion Valley; about 1 mile northwest of Pilot Peak; about 9 miles (air) northeast of La Porte 1828 Comment
  CHSC40369  Galium trifidum var. pacificum Lowell Ahart 1985-7-3 5104 Plumas Where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  CHSC21090  Galium triflorum F. T. Griggs; A. Pass 1975-7-2 60 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC169863  Garrya fremontii John Thomas Howell 1959-9-25 35033 Plumas 1.5 mi. se. of Cromberg 1584 Comment
  SEINET10906888  Garrya fremontii Mary Susan Taylor 1982-5-15 Taylor 4453 Plumas T21N R12E ne/sw sec 32. Sierra City NW quad. Along Gray Eagle Lodge Rd, just sw of its jct with Hwy 519, ca. 7 mi s of Mohawk. 5700 ft. 1737 Comment
  JEPS27555  Gayophytum diffusum subsp. parviflorum Esther C. Fritz 1933-7-15 Plumas Spanish Peak; lookout station at summit 2133 Comment
  UC485791  Gayophytum diffusum subsp. parviflorum H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  RSA77968  Gayophytum diffusum subsp. parviflorum E. K. Crum 1937-8-7 1946 Plumas 3 miles west of Lake Almanor 1524 Comment
  CHSC80844  Gayophytum heterozygum Lowell Ahart 2001-7-17 8920 Plumas Meadows, 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
  POM271771B  Gayophytum heterozygum Lyman Benson 1932-7-29 3994 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  UC1122565  Gayophytum heterozygum G. Burks 1933-8-8 20 Plumas 4 mi e and 1 mi n Cammel Peak; Plumas National Forest, Bidwell Bar Quadrangle 1706 Comment
  SEINET10841106  Gayophytum humile Lowell Ahart 1985-7-11 Ahart 5142 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
  SEINET3150047  Gayophytum nuttallii var. intermedium E. K. Balls 1950-9-6 15694 Plumas 3.1 mi. E of turn to Sloat, between Quincy and Portola, Hwy 24 1250 Comment
  CHSC62152  Gayophytum racemosum L. P. Janeway 1993-7-21 4467 B Plumas Plumas National Forest. Southwest side of Red Clover Valley, 0.9 mi southeast of Clover Valley Ranch; 200 ft south of the Beckwourth-Genesee Road along logging spur 24N66X. 1685 Comment
  SEINET12326763  Gentiana calycosa M. S. Taylor 1982-1 5043 Plumas T25N R8E SW/NW sec29. Almanor NE quad. Both sides of Virgilia-Meadow Valley Rd (25N17), along creek* 1524 Comment
  RSA59686  Gentiana simplex E. K. Balls 1950-9-9 15753 Plumas South end of small lake to west of Lakes Center Public Campground. 2043 Comment
  SEINET10483127  Geum ciliatum Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3851 A Plumas T24N R14E nw sec 7, Crocker Mt quad. Sagebrush Scrub in Red Clover Valley, ca. 0.5 mi N of Genesee-Beckwourth Rd, ca. 7 mi NW of Beckwourth; elevation 5480 ft. 1670 Comment
  POM181036  Geum macrophyllum A. A. Heller, P. B. Kennedy 1907-7-9 s.n. Plumas Prattville. Comment
  JEPS102399  Gilia capillaris Lowell Ahart 2001-7-17 8907 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
  SD7658  Gilia capitata Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  SEINET10496739  Gilia capitata Mary Susan Taylor 1982-5-13 Taylor 4437 Plumas T24N R9E se/ne sec 15. Quincy quad. In Gansner Park, Quincy. 3400 ft. 1036 Comment
  UC1123742  Gilia capitata subsp. capitata A. Lewis 1934-6-12 475 Plumas Mooreville Ridge 4 1/2 mi sw Lexington Hill; Bidwell Bar Quad., sw of Lexington Hill Comment
  RSA718441  Gilia capitata subsp. mediomontana L. Ahart 2006-7-9 12936 Plumas about 20 yards south 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 1662 Comment
  UC172848  Gilia capitata subsp. mediomontana A. A. Heller 1913-6-13 10859 Plumas near Quincy; near Quincy 1066 Comment
  UC367215  Gilia capitata subsp. pedemontana J. G. Lemmon and wife Sep 1883 Plumas American Val American Val (N. Cal.) Comment
  CAS-BOT-BC283871  Glyceria borealis Mary S. Clemens 1920-6-25 17 Plumas Taylorville Comment
  CAS-BOT-BC283877  Glyceria borealis John Thomas Howell; Gordon H. True 1974-7-29 50618 Plumas Quincy 1036 Comment
  CHSC84900  Glyceria borealis L. P. Janeway; B. Castro 2003-9-6 7979 Plumas High Cascade Range. Near un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. Edge of pond. 2057 Comment
  CDA28232  Glyceria elata H. S. Yates 1913-7-4 Plumas 0 Comment
  SEINET11826501  Gnaphalium microcephalum var. thermale Unknown 1975-1 s.n. Plumas SW side of Lake Almanor Comment
  CAS-BOT-BC307394  Gnaphalium palustre Anna Head 1920-8-3 s.n. Plumas Lake Center Camp , Feather River Region 1920 Comment
  CHSC40564  Gnaphalium palustre Lowell Ahart 1985-9-26 5180 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CHSC44876  Gnaphalium palustre Lowell Ahart 1974-7-30 560 Plumas On a mountain side, about 1/2 mile north of the Bunker Hill Mine, about 12 air miles north-east of La Porte. 1676 Comment
  CHSC95006  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 of Strawberry Valley. 1281 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
  RSA201261A  Gnaphalium palustre J. T. Howell 1959-9-22 34865 Plumas Plants of Lassen Volcanic National Park. On Pinus Murrayana, Drakesbad, 1677 Comment
  RSA59918  Gnaphalium palustre E. K. Balls 1950-9-15 15831 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  SBBG104016  Gnaphalium palustre W. Knight, I. Knight 1966-6-19 1359 Plumas near pond reservoir, Butterfly Valley 1097 Comment
  UCR57500  Gnaphalium palustre R. D. Goeden 1989-8-22 890822- 6 Plumas Plumas Nat'l Forest, Doyle Grade Rd., Meadow View Ranger Station. 1850 Comment
  RSA122378  Gnaphalium palustre E. Sawyer 1935-6-27 160 Plumas Sierraville 1524 Comment
  UCD132405  Gnaphalium palustre E. K. Balls 1950-9-9 15752 Plumas west of Lakes Center Public Campground, south end of small lake. 2042 Comment
  CHSC84531  Grindelia nana John Dittes 2003-8-8 2003 -91 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 6.3 air-mile southeast of Portola, ca. 4.3 air-mile south by southeast of Beckwourth, ca. 0.2 air-mile east of Beckwourth-Calpine Road (A23). At edge of Dyson Lane. 1487 Comment
  SEINET3841326 Image available Hackelia micrantha Johnnie L. Gentry Jr., David O. Vierig 1968-6-20 2077 Plumas Mt. Hough, 10.4 miles NE Quincy, Mt. Hough-Crystal Lake Road 2012 Comment
  CHSC72443  Hackelia nervosa L. P. Janeway 1998-7-31 5905 Plumas About 1.2 mi south-southeast of Pilot Peak; saddle on Bunker Hill Ridge where Road 23N10 crosses it. 2011 Comment
  SEINET10474689  Haplopappus bloomeri Mary Susan Taylor 1981-8-25 Taylor 4235 Plumas California: T25N R7E ne1/4 sw1/4 sec 10. Almanor SW quad. Red Hill Lookout, ca. 3 air mi NE of Belden. On serpentine. Plumas County. 6300 ft. 1920 Comment
  SEINET10475253  Haplopappus hirtus subsp. lanulosus Mary Susan Taylor 1981-7-7 Taylor 3989 Plumas T25N R14E ne/sw sec 27. Crocker Mt quad. In Sagebrush Scrub on dry, sandy soil, on NE side of Beckwourth-Genesee Rd at its jct with Beckwourth-Milford Rd, in Squaw Valley, ca. 12 air mi N of Beckwourth. 5600 ft elev. 1707 Comment
  SEINET10871996  Haplopappus lanceolatus Mary Susan Taylor 1982-8-27 Taylor 5044 Plumas T23N R16E se/nw sec 34. Chilcoot SW quad. SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. Roadside weedy area; 4900 ft. 1493 Comment
  CHSC62144  Hastingsia alba L. P. Janeway 1993-7-15 4449 Plumas Plumas National Forest. Along Bean Creek, 0.4 mi south of the saddle between Bean Creek (tributary of upper Spanish Creek) and Berry Creek (tributary of East Branch North Fork Feather River). 1524 Comment
  CAS-BOT-BC508336  Hastingsia alba John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54145 Plumas 2.65 miles west of Round Valley Reservoir dam, Sierra Nevada 1569 Comment
  CAS-BOT-BC508339  Hastingsia alba A. A. Heller; P. B. Kennedy 1907-7-12 8821 Plumas Grade between Greenville and Prattville Comment
  CAS-BOT-BC307518  Hazardia whitneyi var. whitneyi John Thomas Howell 1926-7-27 2147 Plumas Near Prattville 1676 Comment
  CHSC84974  Hazardia whitneyi var. whitneyi Lowell Ahart 2003-10-17 10651 Plumas On the south side of the Pacific Crest Trail, about 1/2 mile northeast of Humboldt Peak, about 1 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2133 Comment
  CAS-BOT-BC306692  Helenium bigelovii Anna Head 1921-8-3 s.n. Plumas Near Gold Lake Camp, Feather River Region Comment
  CAS-BOT-BC305313  Helianthella John Thomas Howell 1961-6-21 36657 Plumas Greenville 1097 Comment
  CAS-BOT-BC314798  Helianthella californica var. nevadensis Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC314795  Helianthella californica var. nevadensis David D. Keck 1932-7-3 1651 Plumas South of town, Quincy, Northern Sierra Nevada 1219 Comment
  CAS-BOT-BC314801  Helianthella californica var. nevadensis John Thomas Howell; H. Keith Wagnon 1980-5-28 53697 Plumas Near Twain, East Branch North Fork Feather River, Sierra Nevada 914 Comment
  RSA123088  Helianthella californica var. nevadensis E. Sawyer 1935-5-27 41 Plumas 1.75 miles N of Kerby. 1555 Comment
  CAS-BOT-BC305538  Helianthus bolanderi Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC305544  Helianthus bolanderi John Thomas Howell 1959-9-21 34828 Plumas Greenville 1088 Comment
  UC897253  Hemizonella minima A. A. Heller 1938-6-22 15178 Plumas plain n Chester 1304 Comment
  CHSC112612  Herniaria hirsuta var. hirsuta Lowell Ahart 2013-9-11 19032 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CDA3755  Hesperis matronalis T. C. Fuller 1963-6-13 10669 Plumas North of hotel in Quincy. 0 Comment
  RSA38010  Hesperochiron californicus P. A. Munz 1947-5-16 11827 Plumas 8 miles north of Chilcoot. 1524 Comment
  RSA523563  Hesperolinon micranthum Barbara Ertter 1989-7-4 8682 Plumas 2.2 miles west of junction with Highway 89 and Highway 36 southwest of Chester. 1463 Comment
  SBBG128791  Heterocodon rariflorum L. Ahart 2008-8-14 15209 Plumas W edge of small wet meadow, ca. 150 yards NE of the good logging rd (Forest Rd 22N68), W of the S Fork of the Feather River, ca. 1/2 mi SW of the Feather Fork Mine, ca. 1 mi NE of Little Grass Valley Reservoir 1600 Comment
  CAS-BOT-BC311017  Heterotheca oregona John Thomas Howell 1959-9-26 35077 A Plumas Feather River Canyon (north fork) 1 mile above 2000 ft. marker Comment
  CAS-BOT-BC311032  Heterotheca oregona var. compacta Lowell Ahart 1981-9-6 3067 Plumas About 6 miles N of Taylorsville 1300 Comment
  JEPS95065  Heterotheca oregona var. rudis Vernon Oswald and Lowell Ahart 1997-9-18 8871 Plumas 10.7 mi n of Butte-Plumas County line (Highway 70 between Tobin and Belden, on bank of the North Fork Feather River); North Fork Feather River, Highway 70 627 Comment
  CHSC52727  Heterotheca villosa var. minor L. P. Janeway 1990-8-15 3829 Plumas Plumas National Forest. Along edge of dirt road near Cascade Cr ca 1 1/4 mi SW of Little Grizzly Cr. 1859 Comment
  CHSC92965  Heterotheca villosa var. minor L. P. Janeway 2005-7-30 8502 Plumas Northern High Sierra Nevada. Southernmost end of Diamond Mountains about 4.5 km north of Beckwourth Pass; along Road 23N67 1.9 km from Road 24N88. 1725 Comment
  JEPS2464  Heterotheca villosa var. minor W. L. Jepson 1924-7-22 10609 Plumas Rich Point; Middle Fork Feather River 914 Comment
  CAS-BOT-BC312287  Heterotheca villosa var. minor Albert Gould 1928-7-20 354 Plumas Head of Jameson Creek 1828 Comment
  CHSC57098  Heuchera micrantha var. erubescens Steven Triano 1988-4-17 78 Plumas Along rocky cliffs on w side of Hwy. 70, ca 0.1 mi s of Rock Creek Dam. 640 Comment
  CAS-BOT-BC319605  Hieracium albiflorum H. E. Brown 1897-8-1 650 Plumas Near Lassen Buttes 1828 Comment
  UC1219878  Hieracium albiflorum Wallace R. Ernst 1957-8-9 205 Plumas trailside near Devils Kitchen; Mt. Lassen Volcanic National Park Comment
  JEPS115171  Hieracium nudicaule Lowell Ahart, John Dittes 2009-7-15 16086 Plumas On dry rocky soil, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  CAS-BOT-BC289226  Holcus lanatus L. W. Swift 1934-7-5 89 Plumas Nelson Creek Grade 1402 Comment
  CAS-BOT-BC289229  Holcus lanatus John Thomas Howell 1961-6-21 36600 Plumas Greenville, Sierra Nevada 1097 Comment
  CAS-BOT-BC459652  Holodiscus John Thomas Howell 1977-8-11 52683 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir Comment
  JEPS26683  Holodiscus discolor P. C. Hutchison 1961-6-9 2116 Plumas 2 miles south of Rich Bar; Feather River, US Alt. 40; canyon of the north fork of the Feather River along highway US Alt. 40, on serpentine cliff above road, at bridge, 2 miles south of (below) Rich Barr. Comment
  SBBG32410  Hordeum brachyantherum L. S. Rose 1968-6-10 68084 Plumas Quincy 1036 Comment
  CAS-BOT-BC284647  Hordeum brachyantherum subsp. brachyantherum Mary S. Clemens 1920-6-22 s.n. Plumas Quincy Comment
  SEINET10507465  Hordeum jubatum Mary Susan Taylor 1982-8-9 Taylor 4959 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
  UCD128409  Horkelia fusca Albert Grigarick 2012-7-8 327 Plumas Gray Eagle Trail. 50 yds NW of Grass Lake. 1925 Comment
  CAS-BOT-BC532306  Horkelia fusca Mary E. Wall 1939-6-25 s.n. Plumas Brunch Creek ranger staion. Comment
  CHSC53593  Horkelia fusca subsp. parviflora L. P. Janeway 1989-7-20 3504 Plumas Plumas National Forest. Forest along southerly side of Red Clover Valley at jct of rd 26N70 (to Laufman) and Beckwourth-Genesee Rd (rd 111) 9.5 mi from Beckwourth. Along sides of creek. 1676 Comment
  UC114272  Horkelia fusca subsp. tenella D. Cleveland 1882-7-20 159 Plumas Pratville Comment
  POM295333  Horkelia fusca subsp. tenella Lyman D. Benson 1949-6-21 13743 Plumas Meadow 1 mile W of Lake Almanor Inn. Feather River 1341 Comment
  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
  HSC93236  Horkelia fusca var. parviflora Vernon H. Oswald, L. Ahart 1996-8-14 8181 Plumas Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi. E of White Horse Campground 1616 Comment
  CAS-BOT-BC537871  Horkelia fusca var. parviflora Anna Head 1921-8-15 s. n. Plumas Feather River Region: Lake Center Camp Comment
  SJSU14715  Horkelia fusca var. parviflora N. A. Hopkins 1991-7-3 1705 Plumas by rd to Janesville 15 mi N of junction with Beckwourth-Genesee Rd 1524 Comment
  SEINET7716725  Hosackia decumbens Unknown Plumas Indian Valley Comment
  CHSC40420  Hosackia incana Lowell Ahart 1985-7-1 5095 Plumas At the end of a new logging road, about 1/2 mile east of Cement Creek, about 1/2 mile north of Onio Valley Creek, about 4 miles north-west of Pilot Pk., 1828 Comment
  CHSC102582  Hosackia oblongifolia var. oblongifolia L. P. Janeway; B. Castro 2009-7-4 9846 Plumas Northern High Sierra Nevada. Upper end of Rock Island Ridge. 1576 Comment
  CHSC57287  Hydrophyllum capitatum var. alpinum L. P. Janeway 1991-5-28 3971 Plumas Plumas National Forest. South side of Poco Creek ca 1 1/2 mi east of Red Clover Creek (south side of road 25N05). 1719 Comment
  UC2042975  Hydrophyllum occidentale Barbara Ertter with Gary Schoolcraft 1990-5-14 8973 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  UC335436  Hydrophyllum occidentale unknown 1889-1 Plumas Mohawk Valley Comment
  UCSB16024  Hydrophyllum occidentale Breedlove, Dennis 1962-6-12 Plumas In upper drainage of Middle Fork of Feather River; 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CDA43022  Hypericum formosum var. scouleri L. Ahart 2009-7-22 16137 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. Comment
  CHSC117632  Hypericum perforatum subsp. perforatum Lowell Ahart 2016-8-30 21332 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CAS-BOT-BC401437  Hypericum scouleri Anna Head 1921-7-17 s.n. Plumas Gray Eagle Meadows, Feather River Region Comment
  CAS-BOT-BC401442  Hypericum scouleri W. W. Wagner 1919-7-2 306 Plumas Taylor Creek 1219 Comment
  CAS-BOT-BC88620  Idahoa scapigera Mrs. Ellwood Cooper s.n. Plumas Sierra Valley. Comment
  CAS-BOT-BC135736  Iris hartwegii E. K. Balls 1950-8-30 15505 Plumas Trail to Buck's Creek from Tobin's Resort, North Fork, Feather River 609 Comment
  CAS-BOT-BC135739  Iris hartwegii L. W. Lenz; E. K. Balls 1956-6-19 21839 Plumas 1.2 mi. E. along State Hwy. 89 after leaving Lake Almanor 1417 Comment
  JEPS100369  Iris hartwegii subsp. pinetorum Dean W. Taylor 2001-6-6 17776 Plumas Diamond Springs Hill, along Challenge-La Porte Road (County Road 511) about 2 road miles SW of American House 1371 Comment
  RSA40423  Iris hartwegii subsp. pinetorum Philip A. Munz, Lee W. Lenz 1948-8-12 12338 Plumas Forest Lodge, Greenville. 1128 Comment
  RSA74315  Iris hartwegii subsp. pinetorum Milo S. Baker 1952-5-24 12446 Plumas In canyon above Pine Valley, Hwy 89 945 Comment
  NY22141  Iris pinetorum A. Eastwood 1927-6-11 14454 Plumas Forest lodge near Greenville. 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
  CHSC58016  Isoetes nuttallii Vernon H. Oswald; Lowell Ahart 1992-6-2 4976 Plumas Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. Lassen Volcanic National Park. 1767 Comment
  POM270815  Isopyrum stipitatum H. K. Sharsmith 1935-5-5 3053 Plumas Eastern side of Mt. Hamilton. 915 Comment
  SBBG122676  Iva axillaris J. Dittes, L. Ahart 2003-8-8 2003 -86 Plumas NW edge of Sierra Valley, ca. 0.9 air-mi N of Dyson Lane, E edge of Beckwourth-Calpine Rd (A23) 1488 Comment
  SEINET11259903 Image available Iva axillaris W. Harnach, N. Harnach 2000-8-23 988 Plumas Sierra Valley. 1.25 miles south of Dyson Lane on Co. Road A-24 1490 Comment
  CAS-BOT-BC137401  Ivesia aperta John Thomas Howell 1962-6-18 37796 Plumas Near Beckwourth Comment
  CAS-BOT-BC137407  Ivesia aperta Ethel Crum 1937-8-5 1937 Plumas Newman Point, Sierra Valley 1524 Comment
  CDA25957  Ivesia aperta T. C. Fuller 1980-8-5 20292 Plumas South of the railroad, west of Highway A23 to Calpine, 1.3 km southwest of Beckwourth. 0 Comment
  UC595084  Ivesia aperta var. aperta David D. Keck and A. Gustafsson 1938-8-9 4901 Plumas 0.5 mi e Beckwith (Beckwourth); Sierra Valley 1501 Comment
  CHSC59925  Ivesia baileyi L. P. Janeway; Garrett Gibson 1992-7-22 4272 Plumas Plumas National Forest. 0.25 mi east of the top of Horton Ridge, across the ridge from the southeast fork of Horton Canyon. 1996 Comment
  UC1561778  Ivesia webberi C. Witham and Kareofelas 1990-5-24 146 Plumas 1 mi due e intersection of Hwy. 49 and Dyson Rd. (e side of Sierra Valley); Sierra Valley 1524 Comment
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Apr 8 2006
  CHSC94991  Juncus acuminatus Lowell Ahart 2006-10-23 13488 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  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
  SEINET6336306  Juncus balticus M. Foster 1988-9-8 s.n. Plumas Adjacent to Cow Creek in U.S.F.S. range allotment, 1/4 miles W of Lake Davis, 9 mi NNW of Portola 1762 Comment
  CHSC95013  Juncus bufonius var. bufonius Lowell Ahart 2006-10-23 13489 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC99828  Juncus bufonius var. bufonius Lowell Ahart 2008-7-9 15064 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
  CHSC65387  Juncus bufonius var. occidentalis Lowell Ahart 1995-9-13 7627 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  SEINET10472431  Juncus bufonius var. occidentalis Lowell Ahart 1985-7-11 Ahart 5134 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
  UCD141414  Juncus bufonius var. occidentalis L. Ahart 1985-7-11 5134 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles northwest of La Porte. 1584 Comment
  UCD108044  Juncus confusus Tim Kuhn 2006-7-11 79 Plumas on Plumas NF forest service road 107407. Comment
  UCD108052  Juncus covillei Tim Kuhn 2006-7-10 85 Plumas on Plumas NF forest service road 107407. Comment
  JEPS107921  Juncus dubius Lowell Ahart, John Dittes 2005-9-19 12400 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1989 Comment
  CHSC116365  Juncus dubius Sara M. Taylor; Scott Batiuk 2012-7-31 51 Plumas Plumas National Forest. Drosera Pond. From Quincy, head west on Hwy 89, right/north on Hwy 422 toward Smith Lake, left/west on 25N20. Continue west on 25N57, left/west on 25N59. UTM zone 10, 4428806 N, 660224E. 1610 Comment
  CHSC110996  Juncus dudleyi Lowell Ahart 2012-4-1 18256 Plumas On the west edge of Caribou Road, about 20 yards south of the stream, about 4 miles (air) northeast of Belden. 806 Comment
  CDA13853  Juncus ensifolius G. F. Hrusa, T. D. Wilfred 1996-8-2 13462 Plumas Sierra Nevada; E side of Fells Creek immed. upstream from USFS 23N22 crossing. Comment
  CHSC52752  Juncus ensifolius 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
  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
  RSA794951  Juncus ensifolius L. Ahart, John Dittes 2009-7-27 16176 Plumas About 5 yards northwest of the small dry pond, headwaters of Grizzly Gulch, 2.1 air miles northeast of Butt Valley Reservoir Dam. 1480 Comment
  RSA35321  Juncus ensifolius Alice S. Mulford 1944-8-12 s.n. Plumas S.W. side of Mohawk Terrance 1341 Comment
  SEINET13710065  Juncus ensifolius Lowell William Ahart, Lowell William Ahart 2001-1 9193 Plumas Lake Almanor, about 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  CHSC102838  Juncus howellii Lowell Ahart; John Dittes 2009-8-28 16355 Plumas On the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  UC1100997  Juncus laccatus Malcolm A. Nobs and S. Galen Smith 1949-8-19 1439 Plumas Butterfly Valley Comment
  CAS-BOT-BC110168  Juncus luciensis Barbara Ertter; Jeffrey Strachan 1980-7-31 3885 Plumas West end DIxie Valley just east of Beckwourth-Milford Road, Plumas National Forest. 1706 Comment
  SEINET10472453  Juncus macrandrus Mary Susan Taylor 1982-7-8 Taylor 4798 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  CHSC80889  Juncus nevadensis Lowell Ahart 2001-7-17 8900 Plumas Small meadow, on the south side of a poor logging road, part of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS114896  Juncus nevadensis var. nevadensis Lowell Ahart 2008-9-10 15387 Plumas A little north of the culvert, bottom of Onion Valley Creek, on the east side of Quincy la Porte Road, about 9 1/2 miles (air) northeast of La Porte 1899 Comment
  JEPS120756  Juncus occidentalis Lowell Ahart 2013-8-23 19020 Plumas East of Bird Creek, about 1/2 air mile west of Monitor Flat, about 3 air miles northwest of Pilot Peak, about 9 air miles northeast of La Porte. Comment
  CDA34083  Juncus orthophyllus L. Ahart, J Guardino 2005-8-9 12265 Plumas Between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. Comment
  CHSC100027  Juncus orthophyllus Lowell Ahart 2008-8-13 15162 Plumas East of La Porte Road, on the east bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  JEPS114809  Juncus orthophyllus Lowell Ahart 2008-8-13 15162 Plumas East of La Porte Road, on the east bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CHSC102671  Juncus tenuis Lowell Ahart; John Dittes 2009-9-7 16390 -A Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC102673  Juncus tenuis Lowell Ahart; John Dittes 2009-9-7 16390 -D 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
  UC1134329  Juniperus communis G. T. Nordstrom 1934-7-3 176 Plumas 1.75 mi n of Mt. Ararat (on rocky slope of Willow Cr.); Plumas National Forest, Bidwell Bar Quadrangle, Willow Cr. 1219 Comment
  CAS-BOT-BC85336  Juniperus occidentalis J. G. Lemmon s.n. Plumas Near Quincy Comment
  SEINET10925483  Juniperus occidentalis subsp. australis Mary Susan Taylor 1981-8-18 Taylor 4213 Plumas T23N R15E se1/4 sec 10. Reconnaissance Peak quad. Bald Rock Improvement Project, ca 1 mile sw of Bald Rock, ca 5 miles ne of Beckwourth. Associates: Wyethia mollis, Purshia tridentata, Pinus jeffreyi, Stipa speciosa. Herbarium of California State University, Chico. Comment
  JEPS120554  Juniperus occidentalis var. australis B. Castro and L. P. Janeway 2006-6-4 1541 Plumas Northern High Sierra Nevada. along the new dirt road from Squaw Valley to McReynolds Valley and beyond, overlooking upper Thompson Valley from the NW; above old Squaw Valley Road which is now closed off. Comment
  HSC83402  Kalmia polifolia Lynn J. Gillespie 1982-5-23 Plumas ca. 3.5 mi, NE of Spanish Ranch, ca. 100 mi. N of Snake Lake 1220 Comment
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Mar 30 2016
  SFV10463  Keckiella breviflora subsp. glabrisepala M. L. Vincent 1968-6-10 860 Plumas Sierra Nevada 1.5 miles south of Rock Creek Dam on North Fork Feather River. 685 Comment
  CHSC22341  Keckiella breviflora var. glabrisepala Robert A. Schlising 1964-6-12 2727 Plumas 9.5 mi south of Injun Jim Camp (near Tobin) along Alt. Hwy 40 and Feather River. Comment
  CHSC42035  Keckiella lemmonii Lowell Ahart 1986-7-25 5375 Plumas Along Cleghorn Bar Road, about 1 1/2 miles west of Finger Board, about 4 miles north-west of Pilot Peak. 1828 Comment
  NY790350  Keckiella lemmonii P. P. Lowry II 1977-7-5 818 Plumas South of Tobin on State Highway 70 Comment
  CHSC24264  Kelloggia galioides K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  UC384667  Kelloggia galioides E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  CAS-BOT-BC340598  Lactuca serriola John Thomas Howell 1959-9-22 34838 Plumas Wolf Creek 1371 Comment
  CHSC55694  Lathyrus sulphureus Steven Triano 1988-4-17 55 Plumas Along n side of Hwy. 89, ca 3.3 mi n of its jct. with Hwy. 70. 1005 Comment
  POM147073  Lathyrus sulphureus Alice Eastwood 1927-6-11 14458 Plumas Forest Lodge, near Greenville. Comment
  UC1069723  Layia glandulosa E. Sawyer 1935-6-6 75 Plumas 4 3/4 mi sse of Sugarloaf; Sierraville Quadrangle Comment
  RSA59373  Ledum glandulosum E. K. Balls 1950-9-9 15770 Plumas West of Lakes Center Public Camp. 2043 Comment
  CHSC69708  Leersia oryzoides Vernon Oswald; Lowell Ahart 1997-9-18 8872 Plumas Forest Rd. 26N26 (to Humbug Valley) 3.6 mi west of its junction with Caribou Rd. 938 Comment
  CAS-BOT-BC527312  Lemna trisulca Herbert L. Mason 1955-7-30 14638 Plumas Near Chester Comment
  CHSC94922  Lepidium campestre Samantha Mackey Hillaire 2006-9-10 1227 Plumas Sierra Nevada. Buck's Lake area. Oro-Quincy highway. Flat dry open roadside (north side), south of a large meadow around Haskin's Bay. 1584 Comment
  CDA32016  Lepidium virginicum var. pubescens L. Ahart, J. Dittes, J. Guardino 2009-7-29 16225 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  SD149120  Leptosiphon filipes John Thomas Howell 1967-6-23 42720 Plumas Canyon of the East branch of Feather River, 2.0 miles east of Twain. Comment
  CHSC89528  Leptosiphon harknessii G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3227 Plumas Sierra Nevada. 1.0 mile south of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). Rhinehart Meadow. 1676 Comment
  SEINET3840878  Leptosiphon harknessii M. I. Wibawa, Thomas C. Fuller, G. Douglas Barbe 1982-6-17 3836 Plumas Frenchman Lake, Crystal fishing access, marshy arm of the lake at the paking lot, USGS Quadrangle: Frenchman Lake 7.5 1710 Comment
  CAS-BOT-BC342090  Leucanthemum vulgare Gladys L. Smith 1976-6-5 4541 Plumas About Quincy and north to Childs Meadows & Mineral 640 Comment
  NY497409  Lewisia brachycalyx R. M. Austin 05 1877 s.n. Plumas Mill Creek Comment
  RSA62071  Lewisia cantelovii G. B. Youngs 1943-6-3 s.n. Plumas 2.5 miles up Feather River Canyon form Belden. 915 Comment
  CAS-BOT-BC444167  Lewisia nevadensis A. A. Heller 1940-5-22 15671 Plumas Two miles east of the Plumas County line on State Highway #36 Comment
  JEPS87757  Lewisia triphylla Lowell Ahart 1994-6-15 7324 Plumas w side of logging road near intersection of Lumpkin Ridge Road and road to Tamarack Flat (about 1 air mi w of Little Grass Valley Reservoir) 1767 Comment
  CAS-BOT-BC283807  Leymus cinereus John Thomas Howell 1955-7-19 30758 Plumas Beckwourth 1493 Comment
  JEPS14100  Ligusticum californicum W. L. Jepson 1939-8-8 19359 Plumas Quincy 1051 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-BC509314  Lilium kelleyanum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2422 Plumas Between mouth of Butterfly Creek and Valley proper. 914 Comment
  CAS-BOT-BC509335  Lilium kelleyanum H. C. Cantelow 1941-7-20 s.n. Plumas About 4 miles west of Johnsville, on road to Mohawk Comment
  CAS-BOT-BC509338  Lilium kelleyanum Mrs. E. C. Sutliffe 1914-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC509344  Lilium kelleyanum Anna Head 1920-7-16 s.n. Plumas Near Green Lake 1920 Comment
  RSA89859  Lilium pardalinum Lee W. Lenz 1954-6-8 19135 Plumas 3.5 miles north of Beldon on road to Caribou Comment
  CDA14678  Lilium pardalinum subsp. shastense G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3122 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  SD6529  Lilium parvum Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  CAS-BOT-BC133078  Lilium washingtonianum subsp. washingtonianum J. Ed. McClellan; Bonnie McClellan 1968-6-19 s.n. Plumas In Butterfly Botanical Area 1127 Comment
  CAS-BOT-BC133081  Lilium washingtonianum subsp. washingtonianum Mrs. Jos Clemens 1919-10-29 s.n. Plumas Crystal Lake Comment
  UC1101425  Limosella acaulis Malcolm A. Nobs and S. Galen Smith 1949-8-18 1352 Plumas s end Lake Almanor; s end of Lake Almanor 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
  JEPS58440  Linanthus harknessii W. L. Jepson 1924-7-25 10646 Plumas Meadow Valley Bucks Valley Comment
  CHSC36333  Linanthus pungens M. S. Taylor 1982-6-28 4765 Plumas Ramelli Ranch, s of Hwy 70, ca. 1 mi w of Beckwourth. 1487 Comment
  UC1594654  Linaria vulgaris Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson and Tyleasi Martin 1992-8-20 5169 Plumas on n edge of La Porte, Quincy-La Porte Road La Porte; , Quincy-La Porte Road 1514 Comment
  SEINET6693222  Linum lewisii W. Harnach, N. Harnach 1990-5-27 324 Plumas Sierra Valley, corner of Dyson Lane and Hwy 49 1498 Comment
  RSA123901  Linum lewisii E. Sawyer 1935-6-3 58 Plumas 2.5 miles east of Beckwith Butte. 1524 Comment
  POM174011  Listera convallarioides J. G. Lemmon s.n. Plumas Butterfly Valley Comment
  UC1562365  Listera convallarioides Lowell Ahart 1990-7-16 6569 Plumas about 1/2 mi ne Independent Mine (on s bank of South Fork Feather River, about 3 1/2 mi ne of Little Grass Valley Reservoir); South Fork Feather River 1828 Comment
  SEINET10483004  Lithophragma Mary Susan Taylor 1982-5-6 Taylor 4411 Plumas T24N R8E se/sw sec 13. Bucks Lake NE quad. On wet clayey serpentine ridge, ca. 3/4 mi ne of 24N29, ca. l mi e of Meadow Valley. 3800 ft. 146 Comment
  CHSC43744  Lithophragma glabrum Vernon Oswald 1986-6-6 2095 Plumas LaPorte - Quincy Rd. 0.2 mi n of the road to Cleghorn Bar. 1996 Comment
  CAS-BOT-BC293725  Lithophragma parviflorum Mona Bourell; Bob Patterson 1982-5-15 1738 Plumas Beckworth, Sierra Valley Marsh Comment
  CAS-BOT-BC428428  Lithophragma tenellum Ella Dales Cantelow 1941-5-19 3519 Plumas Nr. Frenchman Creek n.e. of Beckwourth. Comment
  CHSC63272  Lithophragma tenellum Lowell Ahart 1994-6-15 7325 Plumas On west side of 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
  UCD119498  Lithospermum californicum June McCaskill 1954-5-31 322 Plumas ca. 100 yards west of roadside, State Highway 89, ca. 2.6 miles north of Greenville. Comment
  UCSB27411  Lithospermum californicum Kunze, G. 1971-6-6 Plumas California 89; 5 miles south of Canyon Dam 1158 Comment
  UC1063986  Lithospermum ruderale C. W. Hanks 1934-8-6 1 Plumas Upper Sierra Valley Sierraville; Sec. 18 1554 Comment
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Mar 14 2014
  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
  CHSC53575  Lomatium nudicaule L. P. Janeway 1989-7-19 3497 Plumas Edge of forest along SW side of Red Clover Valley; 0.2 mi SW of Beckwourth-Genesee Rd (rd 111) 11.7 mi from Beckwourth. 1676 Comment
  UCR51780  Lomatium nudicaule David D. Keck 1932-7-4 1711 Plumas Northern Sierra Nevada, Quincy: mouth of water supply canyon to the left hand, just south of town 1065 Comment
  SEINET7880165 Image available Lomatium nudicaule E. Sawyer 1935-1 134 Plumas 4 1/2 miles N.N.E. of Crow Sec. 27 T. 25N. R. 14E. Comment
  CHSC97166  Lomatium piperi Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14020 Plumas East side of an open rocky flat, 10 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  UC1137630  Lomatium plummerae E. Sawyer 1935-5-21 9 Plumas 3 1/2 mi. s.-s.e. Beckwith Butte; Sierraville Quad. Comment
  CHSC54521  Lonicera cauriana Vernon H. Oswald 1991-8-5 4805 Plumas Lassen Volcanic National Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  JEPS95397  Lonicera conjugialis Lowell Ahart 1994-7-20 7481 Plumas N of the Pacific Crest Trail, N side of Bunker Hill Ridge, about 1/2 mi NW of Mount Etna 1981 Comment
  SD6572  Lonicera conjugialis Mrs. R. M. Austin 1879-1 Plumas Mt Dyer, Big Meadows. Comment
  CAS-BOT-BC240426  Lonicera hispidula Edward Pittman 1965-10-16 233 Plumas Between Bryant Ravine & Feather Falls 609 Comment
  CAS-BOT-BC243910  Lonicera involucrata var. involucrata Anna Head 1921-7-20 s.n. Plumas On trail to Round Lake, Feather River Region Comment
  CAS-BOT-BC200955  Lotus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54147 Plumas 2.65 miles west of Round Valley Reservoir dam 1569 Comment
  CAS-BOT-BC200958  Lotus A. A. Heller 1938-7-2 15242 Plumas On Highway #24, near Gray's Flat 868 Comment
  HSC100724  Lotus corniculatus Lowell Ahart, John Dittes 2009-7-14 16077 Plumas E side of F.S. Rd. 26N22 and 26N221, 2.6 (air) mi. SE of Seneca, 6.5 (air) mi. S of Lake Almanor Reservoir Dam. 1608 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
  SEINET10973149  Lotus oblongifolius var. nevadensis Douglas G. LeDoux, Katherine L. Morris; David B. Dunn 1973-6-5 LeDoux 1072 Plumas Collected on s side of greenville on n facing slope. Douglas fir forest on small Side road. Comment
  CHSC103130  Lotus purshianus var. purshianus Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16113 Plumas West of a man made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  RSA59274  Lotus unifoliolatus E. K. Balls 1950-8-31 15568 Plumas Behind Forest Service Ranger Station, Quincy, American Valley. 1098 Comment
  CHSC66694  Ludwigia palustris Vernon H. Oswald; Linnea Hanson 1996-7-30 8100 Plumas Butterfly Valley Botanic Area NW of Quincy on Forest Rd. 25N47 ca. 0.3 mi S of its junction with Forest Rt. 417. Near the dam at the pond. 1188 Comment
  UC82076  Lupinus Mrs. R. M. Austin July 1879 38 Plumas Comment
  CAS-BOT-BC201256  Lupinus W. Harnach; N. Harnach 1990-5-12 293 Plumas Sierra Valley. Wilson brothers ground, south of Marble lane, on Co. Rd. A-23 (the rock pile) 1514 Comment
  SD46391  Lupinus adsurgens var. undulatus E. K. Balls, L. W. Lenz 1956-6-20 21844 Plumas 2 mi SE of Spring Garden, US Hwy, Quincy to Portola. 1250 Comment
  RSA0076011  Lupinus albicaulis Daisie Huang 2006-8-11 06081109 Plumas Hwy 89 outside Greenville. 1048 Comment
  SEINET10452615  Lupinus albicaulis Mary Susan Taylor 1982-5-27 Taylor 4549 Plumas T24N R8E ne/ne sec 14. Bucks Lake NE quad. E side of Deans Valley Rd (24N29), 0.3 mi s of its jct with Bucks Lake Rd, ca. 1 mi ne of Meadow Valley. 3800 ft. 1158 Comment
  SEINET10544016  Lupinus albicaulis subsp. shastensis Duane Isely, I. Isely 1971-7-13 Isely 11395 Plumas Abundant, roadsides; plants to 3 ft with no basal leaves; flowers dull Ochroleucous, soon tan; all pteals recurved ca 90 degrees; standard abruptly Recurved, darker than other petals, not conspicuous 1216 Comment
  RSA28267  Lupinus albicaulis subsp. wolfianus J. T. Howell 1951-8-20 28206 Plumas Taylorsville 1082 Comment
  RSA430408  Lupinus albicaulis subsp. wolfianus M. L. Conrad, LeDoux, Kenney 1973-6-5 7050 Plumas Plumas National Forest of Hwy. 70. 1067 Comment
  CHSC81372  Lupinus albifrons var. albifrons L. P. Janeway 1996-5-13 4971 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
  SEINET5327645  Lupinus andersonii var. apertus M. J. Williams, Emily McPherson 1974-8-5 74 P-12 Plumas Lake's Basin, Trail from Silver Lake to Mt. Elwell. 2134 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
  JEPS106190  Lupinus apertus Lowell Ahart, Josephine Guardino 2004-5-24 10944 Plumas About 300 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/10 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy 1204 Comment
  CHSC110001  Lupinus arbustus B. Castro; L. P. Janeway 2006-6-4 1536 Plumas Northern High Sierra Nevada. South side of Squaw Valley, ca 300 ft N of jcn of McReynolds Valley Road (FS Rd 25N05) and Squaw Valley Road (FS Rd 28N01). 1684 Comment
  JEPS121740  Lupinus arbustus B. Castro and L. P. Janeway 2008-6-6 1736 Plumas Northern High Sierra Nevada. Upper watershed of Thompson Valley, ~ 1.5 mi NW of the mouth of McReynolds Creek at Red Clover Creek. Along USFS Rd 25N05 (Squaw Valley Rd) just E of its jcn with small dirt rd to lower Thompson Valley. Comment
  JEPS65305  Lupinus arbustus W. L. Jepson 1910-6-5 4062 Plumas Warner Valley 1524 Comment
  UC1482899  Lupinus arbustus LeDoux, Morris, Dunn 1973-6-5 1077 Plumas Collected on south side of Greenville. Comment
  UCD23346  Lupinus argenteus var. argenteus E. W. Jameson 1949-5-6 s.n. Plumas Expt. Station in Quincy. 1097 Comment
  CAS-BOT-BC208798  Lupinus argenteus var. heteranthus A. A. Heller; P. B. Kennedy 1907-7-2 8685 Plumas Between Vinton and Beckwith Comment
  SEINET8080311  Lupinus argenteus var. heteranthus A. A. Heller, P. B. Kennedy 1907-7-2 8685 Plumas Between Vinton and Beckwith Comment
  SEINET8080372  Lupinus argenteus var. heteranthus A. A. Heller, P. B. Kennedy 1907-7-3 8740 Plumas Hills above Red Clover Valley Comment
  UC54416  Lupinus argenteus var. meionanthus H. M. Hall and E. B. Babcock July, 1903 4449 Plumas Canyon of Red Clover Creek; Sierra Nevada Mountains, Canyon of Red Clover Creek 1524 Comment
  CHSC60182  Lupinus breweri L. P. Janeway; Garrett Gibson 1991-6-14 4009 Plumas Plumas National Forest. Between Middle Fork Feather River and Hwy 70, ca 0.3 mi east of Claireville Flat. 1484 Comment
  CHSC92280  Lupinus breweri var. breweri John Dittes 2005-7-2 1190 Plumas Northern High Sierra Nevada Range; Drainage of Smith Creek; ca. 12.5 air-miles north x northeast of Taylorsville, ca. 5.5 air-miles southwest of Diamond Mountain, ca. 4.7 air-miles southeast of Indicator Peak; west-facing slope above (south of) Smith Creek, ca. 0.4 mile east of confluence with East Branch Lights Creek, ca. 0.2 mile south of FS Road 28N03. 1474 Comment
  SEINET10874149  Lupinus confertus Mary Susan Taylor 1982-8-9 Taylor 4960 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
  SEINET10903846  Lupinus confertus Mary Susan Taylor 1982-8-8 Taylor 4792 Plumas T23n, r14e, nw1/4se1/4 sec 27. Portola quad. Corolla pale blue. Along dirt Rds. S side of feather river in ramelli ranch, ca 1 mi. Sw of beckwourth. Sagebrush scrub. With eschscholzia californica. 1487 Comment
  SEINET10937071  Lupinus confertus William E. Harmon 1969-8-18 Harmon 1563 Plumas Portola, 2 mi. W roadside in jeffrey pine forest. Comment
  SEINET10970243  Lupinus confertus Mary Susan Taylor 1982-8-10 Taylor 4960 Plumas T27n, r8e, nw1/4nw1/4 sec 28. Almanor ne quad. Corolla blue. N side of hwy 89, S end of lake almanor, ca 1 mi. W of canyon dam. With madia gracilis, Lotys purshianus, hypericum perforatum. 1372 Comment
  CAS-BOT-BC215355  Lupinus dalesiae M. S. Taylor 1982-5-25 4526 Plumas S side of 23N12, ca. 8 miles E of its jct with 23N52, ca 0.75 mile W of McDermott Ravine, 1.5 miles NE of Sloat 1371 Comment
  CAS-BOT-BC215358  Lupinus dalesiae M. S. Taylor 1982-5-27 4557 Plumas S side of Bucks Lake, Spanish Creek Road, 2.6 miles SW of its jct with Highway 70 in Quincy 1097 Comment
  CAS-BOT-BC215388  Lupinus dalesiae M. S. Taylor 1982-5-27 4548 Plumas S side of Bucks Lake-Spanish Creek Road, 0.1 mile W of Dean's Valley turnoff, and ca. 1 mile NE of Meadow Valley 1127 Comment
  CAS-BOT-BC215400  Lupinus dalesiae L. P. Janeway 1990-6-8 3706 Plumas Little Long Valley, along road 23N12 ca 0.6 mile N of junction with road 23N51 1722 Comment
  CAS-BOT-BC215424  Lupinus dalesiae Charles Piper Smith 1947-5-22 47336 Plumas Meadow Valley, 2.2 miles E Quincy Road Comment
  CHSC35902  Lupinus dalesiae M. S. Taylor 1982-5-26 4539 Plumas W side of Quincy-LaPorte Rd, 0.2 mi n of end of pavement, 1.1 mi s of its jct with Fells Creek Rd (23N22), ca. 4 air mi sw of Spring Garden. 1249 Comment
  CHSC35906  Lupinus dalesiae M. S. Taylor 1982-6-23 4718 Plumas S side of Peoria Creek Rd (23N10), 0.2 mi ne of Oliver Creek, ca. 5 mi sw of Sloat. 1615 Comment
  CHSC35913  Lupinus dalesiae M. S. Taylor 1982-6-17 4691 Plumas Both sides of 23N44Y, 1.3 mi w of its jct with 23N50Y, ca. 2 air mi sw of Sloat. 1493 Comment
  JEPS114511  Lupinus dalesiae Lowell Ahart 2008-6-5 14810 Plumas Steep west bank of the South Fork of the Feather River, about 1/8 mile southwest of the Feather Fork Mine, about 1 1/3 miles northeast of Little Grass Valley Reservoir 1645 Comment
  UC170947  Lupinus dalesiae H. M. Hall 1912-7-6 9310 Plumas Nelson Creek (E. Branch); Sierra Nevada Mountains, Nelson Creek (E Branch) 1676 Comment
  UC82008  Lupinus dalesiae Brandegee Jul 1896 815 Plumas hills e Quincy (Quincy); hills e Quincy Comment
  SEINET10452043  Lupinus dalesiae Mary Susan Taylor 1982-5-25 Taylor 4521 Plumas T23N R11E ne/se sec 2. Mt Ingalls quad. Sloat burn; along n rdbk of 23n12 and uphill ca. 20 ft into McDermott Ravine, and ravine just e; ca. 1 mi ne of Sloat. 4600 ft. Jeffrey Pine Forest. 1402 Comment
  SEINET10452065  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4684 Plumas T23N R10E nw/sw sec 5. Quincy quad. Open bare rdcut, n side of 24N13, ca. 0.1 mi e of its jct with Willow Cr Rd (23N90), ca. 4 air mi se of Quincy. 5200 ft. Mixed Evergreen Forest. 1554 Comment
  SEINET10485192  Lupinus dalesiae Mary Susan Taylor 1982-7-3 Taylor 4605 Plumas T23n r11e nw1/4ne1/4 sec 22. Johnsville quad. Corolla yellow. On open bare Phyllite cutbank, s side of poplar creek rd (23n08), 0.1 mi. E of bridge, ca 1 Mi s of sloat. Mixed evergreen forest. With erysium capitatum. 1280 Comment
  SEINET10485196  Lupinus dalesiae Mary Susan Taylor 1982-7-17 Taylor 4700 Plumas T23n r10e nw1/4ne1/4 sec 36. Blue nose mt quad. Open bare cobbly phyllite Roadcut, off spur rd from eureka ridge rd (23n09), 1.8 mi sw of eureka ridge Rd, ca 1 air mi. Sw of white cap. With apocynum pumilum, mimulus mephiticus. 1646 Comment
  SEINET10841217  Lupinus dalesiae Mary Susan Taylor 1982-6-23 Taylor 4719 Plumas T23N R10E ne/nw sec 14. Blue Nose Mt quad. S side of 23N43Y, 2.4 mi w of its jct with Peoria Cr Rd (23N10), ca. 1 mi s of English Bar, ca. 6 mi sw of Sloat. 4600 ft. 1402 Comment
  SEINET10973212  Lupinus dalesiae Mary Susan Taylor 1982-5-26 Taylor 4540 Plumas T24N R10E nw/nw sec 15. Spring Garden quad. W side of Quincy-LaPorte Rd, 4.1 mi n of Nelson Creek bridge, ca. 3.5 mi w of Spring Garden. 4000 ft. 1219 Comment
  SBBG3613  Lupinus formosus H. and M. Dearing 1939-7-4 3815 Plumas Greenville Comment
  CHSC92278  Lupinus grayi John Dittes; Josephine Guardino 2005-6-4 1144 Plumas Northern High Sierra Nevada Range; Drainage of East Branch Lights Creek; ca. 12.3 air-miles northeast of Taylorsville, ca. 5.7 air-miles southwest of Diamond Mountain, ca. 4.2 air-miles southeast of Indicator Peak; south-facing slope ca. 850' north of confluence of East Branch Lights Creek and Morton Creek, ca. 1,232' northeast of junction of FS Road 28N03 and County Road 213. 1373 Comment
  CAS-BOT-BC329257  Lupinus grayi M. S. Taylor 1982-6-17 4693 Plumas S side of 23N44Y, 1.8 mi W of its jct with Bell Bar Creek Rd (23N50Y), ca 2 air mi SW of Sloat. 1524 Comment
  OBI2925  Lupinus grayi Lewis S. Rose 1968-6-11 68100 Plumas Butterly Crk 2 mi S of Keddie 1036 Comment
  CHSC102138  Lupinus lepidus var. confertus Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16232 Plumas On dry bare soil, forest floor, above the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC37521  Lupinus lepidus var. confertus M. S. Taylor 1982-8-10 4960 Plumas N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 1371 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
  JEPS113617  Lupinus lepidus var. confertus Lowell Ahart, John Dittes 2007-6-16 14119 Plumas West of a small stream, on the south side of County Road 111 (Beckwourth Genesee 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
  CHSC36207  Lupinus lepidus var. sellulus M. S. Taylor 1982-7-7 4787 Plumas Along Sloat Rd (509), ca. 1 mi ne of Sloat. 1280 Comment
  UCD107963  Lupinus leucophyllus Dean Wm. Taylor 1974-10-1 5043 Plumas Wade Lake, Jamison Creek drainage, ca. 3 miles S of Plumas-Eureka State Park. 2000 Comment
  UC1129663  Lupinus obtusilobus G. T. Nordstrom 1934-7-18 103 Plumas 3/4 mi w Silver Lake; Plumas National Forest, Bidwell Bar Quad. Comment
  JEPS65426  Lupinus polyphyllus W. L. Jepson 1910-6-16 4149 Plumas Quincy; American Valley, Quincy 1036 Comment
  CAS-BOT-BC323948  Lupinus polyphyllus subsp. superbus M. S. Taylor 1982-7-7 4787 A Plumas Jct of Hwy 70 and Mohawk turnoff, at Mohawk Ranger Station, ca 1 mi W of Blairsden. 1341 Comment
  CHSC117550  Lupinus polyphyllus var. burkei Lowell Ahart 2016-7-9 21102 Plumas 40 yards south of the dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. 1759 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
  JEPS110174  Luzula cascadensis Lowell Ahart 2006-7-9 12932 Plumas In a small seep, in a small open area in brush, 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
  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
  UCD142104  Luzula comosa W. R. Powell 1968-7-2 1593 Plumas around southeast side of Little Grass Valley Reservoir, 3 miles northeast of La Porte. 1554 Comment
  UCSB46162  Luzula comosa Reisentz, Paul 1979-5-12 Plumas at Lewisia Rock; 3 miles south of Beldon; on Highway 70 Comment
  UC942987  Luzula comosa var. laxa Lewis S. Rose 1951-6-28 51031 Plumas 8 mi SW of Johnsville, McRae Meadows 1950 Comment
  JEPS113869  Luzula divaricata Lowell Ahart, John Dittes 2007-8-9 14441 Plumas About 80 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  CHSC98352  Luzula macrantha L. P. Janeway 2007-6-3 9008 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. 1929 Comment
  RSA496340  Lysimachia nummularia Elaine Joyal, D. Mehlman 1988-6-30 1299 Plumas E of Quincy. Irrigation ditch running through heavily-used pasture, with Typha, Carex. 1200 Comment
  CHSC50419  Lysimachia thyrsiflora Vernon Oswald 1990-6-24 4317 Plumas Willow Lake located southeast of Drakesbad, just south of the boundary of Lassen Volcanic National Park. Uncommon in wet meadow just below the beaver dam at the outlet of the lake. 1676 Comment
  CHSC95002  Lythrum hyssopifolia Lowell Ahart 2006-10-23 13498 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  UC1191551  Lythrum hyssopifolia Malcolm A. Nobs, S. Galen Smith 1949-8-19 1462 Plumas on southeastern side of Portola Portola Comment
  CHSC113934  Lythrum portula Lowell Ahart 2014-8-20 19715 Plumas Near springs on the east edge of Lake Almanor, about 200 yards north of the causeway across Lake Almanor, about 1-1/4 miles east of Chester. 1386 Comment
  JEPS121887  Lythrum portula Lowell Ahart 2014-11-16 19888 Plumas 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
  CDA13968  Madia bolanderi G. F. Hrusa 1996-8-2 13431 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, Approx. 1 mi. NW of Argentine Rock. Comment
  CHSC48176  Madia citrigracilis Vernon Oswald 1988-7-19 3592 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the n side of the lake. 1676 Comment
  CAS-BOT-BC343780  Madia elegans L. P. Janeway 1992-7-31 4282 Plumas South-facing slopes in canyon of North Fork Feather River; along the Chambers Creek Trail ca 0.5 mi from Hwy 70 (along old powerline access road) 682 Comment
  CDA8240  Madia exigua L. Ahart, J. Dittes, J Guardino 2004-6-6 11012 Plumas On the north side of the logging road, about 3 3/4 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. Comment
  CHSC75461  Madia exigua G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3186 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1280 Comment
  JEPS115873  Madia exigua Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15887 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area 1421 Comment
  RSA794837  Madia exigua L. Ahart, John Dittes, Josephine Guardino 2009-6-15 15887 Plumas About 200 yards northwest of Lake Almanor Dam. 1422 Comment
  JEPS127585  Madia glomerata L. P. Janeway 2015-7-29 11807 Plumas Northern High Sierra Nevada. Plumas National Forest; Sawpit Flat, along the road to Cleghorn Bar 2.5 road-km northwest of La Porte-Quince Road; between Bird Creek, Onion Valley Creek, and Finger Board. Onion Valley 7.5' Quad. Comment
  CAS-BOT-BC342854  Madia glomerata David D. Keck 1932-7-6 1715 Plumas Halfway between Prattville and Chester 1340 Comment
  CDA8269  Madia glomerata T. C. Fuller 1959-10-2 3264 Plumas Vinton. 0 Comment
  HSC89862  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas Diamond Mtns. ca 12 air mi. SSW of Susanville, Snoring Springs 1/2 mi. N of Diamond Mt.-Greenville-Red Rock jct. 1982 Comment
  RSA518824  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas Diamond Mts, 12 air miles SSW of Susanville, Snoring Springs, 1/2 mile N of Diamond Mt Greenville Red Rock jct 1982 Comment
  SEINET11601374 Image available Madia glomerata A. A. Heller, P. B. Kennedy 1907-7-18 8883 Plumas Beckwith [Beckwourth] Comment
  CAS-BOT-BC343271  Madia gracilis John Thomas Howell 1961-6-21 36601 Plumas Greenville 1097 Comment
  CAS-BOT-BC343277  Madia gracilis John Thomas Howell 1960-7-18 35584 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC343285  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-11 43284 Plumas Two miles from Quincy Junction on road to Mt. Hough 1219 Comment
  CDA17298  Madia gracilis G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16347 Plumas Sierra Nevada; Snake Lake, 4 mi. NW of Quincy. Comment
  CHSC20804  Madia gracilis K. R. Stern 1975-7-24 5841 Plumas SW shore of Lake Almanor. 1371 Comment
  RSA795722  Madia gracilis L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16226 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC343255  Madia gracilis Alice Eastwood 1927-6-18 14690 Plumas United States Forest Reserve. Greenville Comment
  CAS-BOT-BC343258  Madia gracilis David D. Keck 1932-7-3 1617 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  RSA603951  Madia gracilis subsp. gracilis Joseph A. Ewan 1934-7-19 8241 Plumas Dentens (Blairsden) 1616 Comment
  UC903104  Madia sativa subsp. dissitiflora Ethel Crum 1937-8-7 1949 Plumas 3 mi w of Lake Almanor 1524 Comment
  RSA508636  Maianthemum racemosum subsp. amplexicaule Mrs. R. M. Austin 1880-1 s.n. Plumas [no locality information provided] Comment
  CAS-BOT-BC347526  Malacothrix floccifera John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1977 Plumas Butterfly Botanical Area and Vicinity. In valley proper 1036 Comment
  CHSC83673  Malacothrix floccifera L. P. Janeway 2001-6-28 7240 Plumas High Cascade Range. East-facing slope of ridge overlooking North Fork Feather River and Caribou Road, about 2.6 km north of confluence of East Branch North Fork Feather River; along Road 26N26 3.4 km from Caribou Road. 1067 Comment
  UCSB46166  Marsilea vestita Reisentz, Paul 1979-5-13 Plumas Near Chambers Creek, 6 mi S of Beldon on Hwy 70. Comment
  UCD97474  Matricaria discoidea Albert Grigarick 2010-5-11 251 Plumas Sierra Valley. 10 mi N of Sattley on Westside Rd. Turn right (east) on Marble Hot Springs Rd. (Dyson Ln in Google Maps) for 1 mi. 1491 Comment
  CAS-BOT-BC348169  Matricaria discoidea Greg Sommers 1976-7-8 162 Plumas Sierra Valley, along Marble Lane 1487 Comment
  HSC93324  Matricaria discoidea Vernon H. Oswald, L. Ahart 1996-7-15 8014 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
  CHSC20811  Medicago lupulina K. R. Stern 1975-7-24 5848 Plumas W shore of Lake Almanor. 1371 Comment
  UCD86256  Melica aristata John Thomas Howell 1960-7-21 35823 Plumas Lassen Volcanic National Park. Near Terminal Geyser. 1798 Comment
  CAS-BOT-BC271098  Melica bulbosa John Thomas Howell 1951-6-28 27721 Plumas Eureka Peak 2255 Comment
  CAS-BOT-BC282077  Melica fugax L. W. Swift 1933-6-13 84 Plumas Squaw Valley 1767 Comment
  CAS-BOT-BC282085  Melica fugax John Thomas Howell; Gordon H. True 1967-7-11 43346 Plumas Summit ridge of Mount Hough 2194 Comment
  CAS-BOT-BC282088  Melica fugax John Thomas Howell; et al. 1968-6-11 2408 Plumas Butterfly Botanical Botanical Area. Near dam Comment
  CHSC63309  Melica fugax Lowell Ahart 1994-6-15 7330 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
  CHSC87615  Melica fugax Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10910 Plumas East of the dirt road, south of the Bucks Lake Road, about 2 miles (air) northeast of Meadow Valley, about 5 miles (air) west of Quincy. 1147 Comment
  CHSC87990  Melica fugax Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11154 Plumas On the north side of a forest road, small meadow, 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
  RSA123524  Melica fugax E. Sawyer 1935-6-27 191 Plumas 1.6 miles ENE of Grizzly Peak 1768 Comment
  UCD87284  Melica fugax August L. Hormay 1932-6-11 s.n. Plumas Middle Fork of the Feather River, 10 miles east of Quincy. 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
  JEPS95430  Melica subulata Lowell Ahart 1994-6-17 7355 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  RSA700310  Melica subulata L. Ahart 2004-7-27 11311 Plumas At 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
  UCD88624  Melica subulata John Thomas Howell 1960-7-22 35903 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad. 1676 Comment
  CHSC73953  Mentha canadensis B. Castro; Barry Davis 1997-8-13 779 Plumas Ca 1 mi N of the Crocker Guard Station, just E of Co. Rd 111, in meadow along Crocker Creek (ca 1.5 mi N of Crocker Mdw). 1700 Comment
  UC1730227  Mentha canadensis L. P. Janeway 1998-9-10 6276 Plumas Along the northwest shore of Snag Lake; about 5 mi northwest of Quincy. 1205 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
  CAS-BOT-BC223707  Mentzelia W. Harnach; N. Harnach 1989-6-29 205 Plumas Sierra Valley. Beckwith [Beckwourth] Pass on the north side of Hwy. 70 1539 Comment
  JEPS113550  Mentzelia dispersa Lowell Ahart, John Dittes 2007-6-17 14172 Plumas Near wire box, about 100 yards southwest of County Road 111 (Beckwourth Genesee 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
  POM84008  Mentzelia dispersa Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  RSA104164  Mentzelia dispersa R. M. Austin 1879-07 s.n. Plumas Butterfly Valley. Comment
  CAS-BOT-BC170848  Mentzelia veatchiana W. Harnach; N. Harnach 1990-6-16 384 Plumas Frank Dotta Ranch, Sierra Valley 1524 Comment
  CHSC61051  Menyanthes trifoliata Vernon H. Oswald; Lowell Ahart 1993-8-3 5759 Plumas Hay Meadow located at the N end of 30N25 on the S edge of the Caribou Wilderness, ca. 9 mi (air) N of Lake Almanor. Locally abundant in water to ca. 3 dm deep in the SE corner of the meadow. 1950 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
  UCD14850  Micranthes californica Tamara Kan 1991-5-11 22 Plumas California, Plumas Co.; 1 mi. north on Caribou Road, off of Route 70, north-east of Belden; 701 Comment
  LA208007  Micranthes integrifolia E. D. Merrill; 1929-7-13 Plumas Sierra Nevada, Silver Lake 1828 Comment
  CHSC1681  Micranthes odontoloma R. Carter 1964-7-4 137 Plumas On S shore of Green Island L. where creek empties into lake. Meadow on creek bank. 1706 Comment
  CAS-BOT-BC429237  Micranthes oregana Milo S. Baker 1926-8-28 314 b-'26 Plumas Drakesbad Comment
  CAS-BOT-BC429242  Micranthes oregana Gordon H. True; John Thomas Howell; Walter Knight; Irja Knight 1968-6-11 2386 Plumas Butterfly Valley Comment
  JEPS113378  Microseris nutans Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14041 Plumas About 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  CAS-BOT-BC349350  Microseris nutans Clare B. Hardham 1961-6-16 7494 Plumas Sierra Nevada Mountains. Engelmine-Diamond Peak Road 1828 Comment
  CAS-BOT-BC293728  Mimulus Mona Bourell; Bob Patterson 1982-5-15 1739 Plumas Beckworth, Sierra Valley Marsh Comment
  JEPS1766  Mimulus aurantiacus var. grandiflorus Milo S. Baker 1952-5-27 12475 Plumas Camp Storrie Feather River Canyon, Hwy 24 Comment
  CHSC115158  Mimulus breweri Lowell Ahart 2015-6-7 20216 Plumas Bottom of small basalt ravine, about 80 yards west of dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Mixed Evergreen Forest. 1411 Comment
  JEPS81621  Mimulus breweri M. S. Taylor 1982-8-5 4936 Plumas just below Mt. Hough (ca. 7 mi nne of Quincy); Greenville SW Quad., Crystal Lake 2042 Comment
  JEPS113599  Mimulus guttatus Lowell Ahart, Josephine Guardino 2007-7-21 14388 Plumas Bottom and sides of a small stream, about 30 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
  SEINET8350438  Mimulus guttatus Lowell Ahart 2006-10-8 13395 Plumas west side of Chips Creek, just south of the bridge on Highway 70, about 1 1/4 miles southwest of Belden. 715 Comment
  JEPS122101  Mimulus lewisii Lowell Ahart 2014-8-24 19754 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
  JEPS115788  Mimulus mephiticus Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15853 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  SEINET10570243  Mimulus mephiticus Mary Susan Taylor 1981-5-10 Taylor 3664 B Plumas T26N R12E nw sec 32. Genesee Valley quad.In loose decomposed granite gravel, N side of Genesee Valley Rd, ca. 2 mi E of its jct with Beckwourth Pass turnoff and Flournoy Bridge; overlooking Plumas Lbr. Co, ca. 5 mi E of Genesee. 4200 ft. 1280 Comment
  JEPS104652  Mimulus microphyllus Lowell Ahart 2003-7-18 10425 Plumas In a meadow, on the 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
  UC1063060  Mimulus moniliformis C. W. Hanks 1934-8-10 35 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  UC149929  Mimulus moniliformis Katharine Brandegee 1911-7-30 Plumas Portola Comment
  UCD122822  Mimulus moschatus J. M. Tucker 1948-7-25 1739 Plumas at mine of United Mining Company, Pinchard Creek, southwest side of Camel Peak. 1524 Comment
  SEINET12249487  Mimulus moschatus K. R. Stern 1975-1 5880 Plumas SW shore Lake Almanor 1372 Comment
  JEPS28645  Mimulus nanus var. jepsonii George W. Gillett 1957-7-23 893 Plumas on trail below summit Mt. Harkness; Lassen Volcanic National Park 2346 Comment
  UC1063557  Mimulus nanus var. mephiticus E. Sawyer 1935-6-22 200 Plumas 1.4 mi se Crow; Plumas National Forest, Sierraville Quadrangle Comment
  UC1185293  Mimulus primuloides H. E. Brown Aug 1 1897-Aug 15 1897 603 Plumas near Lassen Buttes 1828 Comment
  UC569900  Mimulus torreyi D. Axelrod 1934-6-9 26 Plumas 2 1/4 mi nw Lexington Hill; Bidwell Bar Quadrangle Comment
  CAS-BOT-BC174704  Minuartia nuttallii D. A. McMillan 1915-7-15 14 Plumas Plumas National Forest. Yellow Creek ridge 1371 Comment
  SEINET10483080  Mitella breweri Mary Susan Taylor 1982-6-17 Taylor 4698 Plumas T23N R10E sw/se sec 13. Blue Nose Mt quad. Montane Meadow along Oliver Creek, at its jct with 23N39, ca. 3 air mi sw of Sloat. Elev 5300 ft. 1615 Comment
  SEINET10895142  Monardella follettii A. Graff 1993-7-22 Graff 311 Plumas Plumas National Forest. Meadow Valley Rd. south, .1 mile from Union Pacific RR crossing, on left road cut. T25N,R8E,S30. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Bombus sp., butterflies. Comment
  RSA767791  Monardella glauca L. P. Janeway 2010-8-19 10167 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 1 km southwest of Road 22N27 (Lumpkin Road). 1797 Comment
  SEINET10498942  Monardella odoratissima subsp. glauca Mary Susan Taylor 1982-7-21 Taylor 4897 Plumas T23N R10E sw/nw sec 14. Onion Valley quad. Summit of Little Volcano, ca. 5 mi se of Quincy. 5801 ft. Dry rocky outcrop. 1768 Comment
  CAS-BOT-BC222118  Monardella odoratissima subsp. pallida John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54378 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 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
  CHSC52045  Monardella odoratissima subsp. pallida L. P. Janeway 1990-6-28 3737 Plumas Plumas National Forest. Upper Joseph Creek, on northeast side of Grizzly Ridge. 2042 Comment
  CHSC60103  Monardella odoratissima subsp. pallida L. P. Janeway; Garrett Gibson 1992-6-16 4237 Plumas Plumas National Forest. About 0.5 mi north-northwest of Beckwourth Peak and 2.5 mi south-southeast of Portola. 1889 Comment
  CAS-BOT-BC318568  Monardella odoratissima subsp. pallida Ella Dales Cantelow 1941-7-20 3709 Plumas 10 mi S of Quincy on road to La Porte. 1981 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
  UCSB63979  Monardella odoratissima subsp. pallida Jokerst, James 1987-5-28 Plumas Ward Creek Canyon on steep, rocky edge SW of creek; T25N R11E center S 1/2 Sect. 23 1463 Comment
  CHSC52049  Monardella sheltonii L. P. Janeway 1989-8-1 3542 Plumas Plumas National Forest. Southern side of Big Hill; between Eureka Ridge and Middle Fork Feather River. Along rd 23N36. 1584 Comment
  JEPS119729  Monardella sheltonii Lowell Ahart 2012-7-1 18261 Plumas About 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. Comment
  SD149143  Monardella sheltonii John Thomas Howell 1975-7-22 51349 Plumas 2 miles northwest of Spring Garden 1173 Comment
  UCSC008320  Monardella sheltonii Brett Smith 2012-7-31 BAS 015 Plumas At intersection of Buck's Lake Rd and FS Road 24N29. 100m S of Spanish Creek. 1102 Comment
  HSC73119  Monardella stebbinsii M. S. Taylor 1981-7-18 4056 Plumas N side of caribou Rd., 3 mi. NE of its jct. with Hwy. 70 854 Comment
  UCSC008314  Monardella stebbinsii Brett Smith 2011-7-27 BAS 009 Plumas Directly off Hwy 70 in Ravine from which unnamed stream flows, very small pull-out on river bank across Hwy. 42m N of Feather River. 823 Comment
  SEINET10582267  Monardella stebbinsii A. Graff 1993-7-22 Graff 330 Plumas Plumas National Forest. .75 miles north on Caribou Rd. (USNFS Rd. 27N26) from wooden bridge just past USNFS Queen Lily Campground, on left roadside. T25N,R8E,S4. Rare, on a rocky, iron-rich serpentine slope, with occasional Pinus ponderosa, Quercus sp., Salix sp. Beginning of bloom. Comment
  CAS-BOT-BC444746  Montia chamissoi Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC65174  Montia chamissoi Lowell Ahart 1995-8-7 7606 Plumas In a small meadow, near a mountain alder thicket, south of the Pacific Crest Trail, south of a poor dirt road, north-east of the weather station, about 1/2 mile (air) west of Pilot Peak. 1981 Comment
  CHSC82461  Montia fontana Lowell Ahart 2002-6-26 9795 Plumas Growing along and in a small stream, about 150 yards north of the gravel road, about 1/4 mile (air) west of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1718 Comment
  CHSC58195  Montia fontana subsp. amporitana Vernon H. Oswald; Lowell Ahart 1992-6-22 5017 Plumas Lassen Volcanic National Park. Ca. 0.4 mi N of the park boundary along the service road into Terminal Geyser, ca. 0.5 mi ENE of Little Willow Lake. Locally common on a vernally wet but now dry slope bordering the road. 1767 Comment
  CHSC54412  Montia linearis Vernon H. Oswald 1991-7-8 4700 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, just within the park boundary. Uncommon in moist soil in a patch of Veratrum on the edge of a meadow. 1676 Comment
  UC1523706  Montia linearis Gary Schoolcraft 1982-5-14 657 Plumas e of Vinton 1524 Comment
  CAS-BOT-BC445085  Montia linearis L. P. Janeway 1992-5-22 4198 Plumas Plumas National Forest, Beckwourth Ranger District. South side of Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola. 1485 Comment
  CAS-BOT-BC445088  Montia linearis Mary Strong Clemens 1920-5-7 s.n. Plumas Greenville Comment
  SEINET10572659  Montia linearis Mary Susan Taylor 1982-5-6 Taylor 4409 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
  CAS-BOT-BC263364  Muhlenbergia asperifolia John Thomas Howell 1959-9-21 34760 Plumas Sand bars of N. Fk. Feather River near Belden, Sierra Nevada 701 Comment
  CAS-BOT-BC260650  Muhlenbergia filiformis Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1413 Plumas Butterfly Botanical Area and Vicinity. SW of Pond Reservoir 1097 Comment
  CAS-BOT-BC267014  Muhlenbergia filiformis Clarence R. Quick 1966-7-7 66 37 B Plumas E of Cottonwood Creek crossing, ca 3 miles S of W end of Humbug Valley 1402 Comment
  UC1101597  Muhlenbergia filiformis Malcolm A. Nobs and S. Galen Smith 1949-8-18 1367 Plumas just s Chester (n end of lake); Lake Almanor, Last Chance Marshes Comment
  UC373109  Muhlenbergia filiformis Marcus E. Jones, A. M. 1897-7-2 Plumas near Prattville; Clear Creek 1524 Comment
  CHSC97612  Muhlenbergia richardsonis Lowell Ahart; John Dittes 2007-6-17 14166 Plumas On damp soil, along 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
  RSA726442  Muhlenbergia richardsonis L. Ahart, John Dittes 2007-6-17 14201 Plumas 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. 1655 Comment
  SEINET256387 Image available Muhlenbergia richardsonis Lowell Ahart 1985-7-11 5126 Plumas Below the high water line of Little Grass Valley Reservoir where the South Fork of the Feather River flows into the lak 1585 Comment
  JEPS110466  Myosotis laxa Lowell Ahart 2006-10-8 13408 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
  CHSC60073  Myosotis scorpioides L. P. Janeway 1992-7-1 4241 Plumas Plumas National Forest. North side of Middle Fork Feather River along drainage of Bonta Creek. 1310 Comment
  CDA19267  Myosurus minimus G. D. Barbe, T. C. Fuller 1982-6-17 3843 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  RSA52947  Myriophyllum hippuroides R. Weatherby 1950-7-28 1496 Plumas Indian Creek, about 2 miles south of Crescent Mills. 1037 Comment
  SD46611  Myriophyllum hippuroides Robert J. Weatherby 1950-7-28 1496 Plumas 2 miles south of Crescent Mills, Indian Creek 1036 Comment
  UCR246732  Myriophyllum sibiricum B. Villegas 2008-7-23 s.n. Plumas Lake Davis, Eagle Point Comment
  JEPS1812  Nama aretioides var. multiflora L. S. Smith 1927-6-6 2042 Plumas road to Constantia , road to Constantia (East Soda Mts.) 1524 Comment
  CHSC21033  Nama lobbii F. T. Griggs; A. Pass 1975-7-3 71 Plumas Buck's Lake. North of Grizzly Forebay. 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
  HSC39511  Nama lobbii J. O. Sawyer 1976-8-5 2829 Plumas Bucks Summit E of Bucks Lake Comment
  UCR4990  Nama lobbii E. C. Nord 1966-1 s.n. Plumas Northern Sierra Nevada Mtns., Sugarloaf Plantation, [6] mi. NW of Downieville [Downieville Ranger Distr., Tahoe National Forest] 1677 Comment
  UCD72909  Narthecium californicum Albert A. Grigarick 2008-6-18 18 Plumas Lakes Basin, SW of town of Graeagle. Driving directions: Int. 80 - 89 Hwy. N, left on Gold Lake Hwy. 5 mi., to Gray Eagle Lodge Rd., to Trailhead Parking, take Long Lake Trail until it crosses springs above Gray Eagle lodge uphill bog. 1985 Comment
  CAS-BOT-BC60331  Nasturtium officinale Walter Knight; Irja Knight 1966-6-18 1324 Plumas Sierra Nevada. Butterfly Valley. 1097 Comment
  HSC22873  Nasturtium officinale John Pratt 1970-6-19 25 Plumas Intersection of Rock Creek and Hwy. 36 Comment
  SEINET10448298  Nasturtium officinale Mary Susan Taylor 1982-5-23 Taylor 4509 Plumas T23N R5E ne/nw sec 7. Pulga SW quad. On granite soils, both sides of Hwy 70 e side of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas Co line. 1600 ft. 488 Comment
  CHSC44317  Navarretia capillaris Lowell Ahart 1979-7-18 1984 Plumas In a meadow, near Cleghorn Bar Road, about 2 miles west of Pilot Peak, about 15 miles north of La Porte. 1645 Comment
  CHSC97603  Navarretia capillaris Lowell Ahart; John Dittes 2007-6-16 14137 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
  UC908140  Navarretia intertexta H. L. Mason 1924-6-26 1096 Plumas Blairsden Comment
  CHSC23854  Navarretia intertexta subsp. propinqua Glenda Foster 1975-11-8 103 Plumas Along road n of Hwy. 89, ca. 0.3 mi. 3.2 mi from the junction of Hwys. 36 and 89. Near the shore of Lake Almanor. Comment
  CHSC26156  Navarretia leptalea Detzer; Sacks 1977-7-28 33 Plumas Roadbank. 1853 Comment
  CHSC56864  Navarretia leptalea subsp. leptalea L. P. Janeway; Garrett Gibson 1991-7-18 4079 Plumas Plumas National Forest. North side of Grizzly Valley ca 1 mi east of Lake Davis. On north side of County Road. 1777 Comment
  SEINET14151946  Navarretia leptalea subsp. leptalea A. A. Heller, P. B. Kennedy 1907-7-3 8710 Plumas [Sierra Nevada] Hills above Red Clover valley Comment
  UC908653  Navarretia leucocephala subsp. minima Lloyd Swift 1928-6-8 Plumas Moon Springs Lassen National Forest, Bald Mountain Comment
  JEPS106319  Nemacladus capillaris Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11013 Plumas Road edge, on the north side of the logging road, about 3 3/4 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1357 Comment
  SEINET10905841  Nemacladus capillaris Chisaki 1956-6-1 CHISAKI 902 Plumas On slope north of road, along State Highway 89, 6.7 miles west of Virgilia 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
  CHSC55498  Nemophila heterophylla Ben Cunningham 1991-4-20 Plumas 35 mi s of Greenville, ca. 1.4 mi s of Rock Creek Dam and 10 ft w of Highway 70. 731 Comment
  SEINET5521051  Nemophila parviflora var. austiniae P. A. Lehenbauer 1929-5-12 2680 Plumas 2 miles West of Portola Comment
  CHSC97524  Nemophila pedunculata Lowell Ahart; John Dittes 2007-6-16 14103 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
  UC172028  Nepeta cataria H. M. Hall 1912-8-4 Plumas Quincy Comment
  CHSC107451  Noccaea fendleri subsp. glauca Matt Simenc; Rebecca Joyner 2011-7-2 12 Plumas Northern High Sierra Nevada. 0.25 miles NW of Pacific Crest Trail where it crosses ridge top just South of Onion Valley Reservoir. North facing, gently sloped, serpentine ridge top. 2013 Comment
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Dec 30 2014
  RSA0013787  Nuphar lutea subsp. polysepala R. Weatherby 1950-7-28 1497 Plumas Snake Lake, near Quincy. 1220 Comment
  CAS-BOT-BC400102  Nuphar polysepala Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC59676  Oreostemma alpigenum var. andersonii L. P. Janeway 1992-8-30 4300 Plumas Plumas National Forest. McRae Meadow; upper end of East Nelson Creek. 1889 Comment
  UCD134706  Oreostemma alpigenum var. andersonii John Thomas Howell 1960-7-23 35964 Plumas Drakesbad, Dream Lake. Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC327728  Oreostemma elatum John Thomas Howell 1976-7-15 51868 Plumas Snake Lake, about 4 miles NW of Quincy 1219 Comment
  SBBG68722  Orobanche fasciculata E. Rockwell -Jun-1925 723 Plumas Beckwourth 1371 Comment
  CAS-BOT-BC500309  Orobanche uniflora subsp. occidentalis Lowell Ahart 1975-7-16 s.n. Plumas 2 mi NE of LIttle Grass Valley Res. 1828 Comment
  CHSC100441  Orthilia secunda Lowell Ahart 2008-9-10 15364 Plumas Open forest east of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  RSA0006078  Orthocarpus columbinus Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CHSC96853  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14053 Plumas Open rocky flat, about 50 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  JEPS87597  Osmorhiza berteroi Lowell Ahart 1994-7-7 7453 Plumas n side of trail about 3/4 (air) mi se Pilot Peak (Plumas and Sierra Cos.); Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  SD46613  Osmorhiza berteroi Robert J. Weatherby 1950-7-7 1450 Plumas Gansner Creek, Quincy. 1220 Comment
  CHSC99821  Osmorhiza chilensis Lowell Ahart 2008-7-16 15072 Plumas Forest floor, 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
  CHSC63109  Osmorhiza occidentalis Lowell Ahart 1994-6-29 7406 Plumas North of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  JEPS95637  Osmorhiza occidentalis Lowell Ahart 1994-7-22 7491 Plumas S of the Pacific Crest Trail, W of the large twin rocks on the NE side of Mount Etna 1981 Comment
  CHSC98890  Packera cana L. P. Janeway 2007-8-13 9184 Plumas Northern High Sierra Nevada. Above Road 24N24X just west of Little Schneider Creek. 1244 Comment
  CHSC59080  Packera pauciflora Vernon H. Oswald 1992-8-10 5150 Plumas Lassen Volcanic National Park. Small corner of park on the SW side of Warner Valley Rd. between Lee and Kelly camps, on the W boundary line, near the SW corner. Meadow. 1597 Comment
  CDA18740  Paeonia brownii G. D. Barbe, T. C Fuller 1982-7-16 3780 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  CAS-BOT-BC121013  Paeonia brownii J. T. Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54235 Plumas About 4 miles south of Mt. Hough Road 1645 Comment
  JEPS60653  Paeonia brownii W. L. Jepson 1910-6-9 4102 Plumas Hot Springs Valley Lassen Peak 1828 Comment
  SEINET10537846  Paeonia brownii Mary Susan Taylor 1981-6-17 Taylor 3927 Plumas T25N R12E nw/ne sec 35. Grizzly Valley quad. Large Montane Meadow on N side of Coldwater Spring, ca. 1/4 mi E of its jct with 25N49, ca. 14 air mi N of Blairsden. 6800 ft elev. 2073 Comment
  UCD89135  Panicum acuminatum var. acuminatum Malcolm A. Nobs; S. Galen Smith 1949-8-19 1436 Plumas Bog and marsh at Butterfly Valley. Comment
  UCD32833  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 d Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  UCD89950  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  CAS-BOT-BC253745  Panicum capillare John Thomas Howell 1926-7-30 2167 Plumas Near Prattville Comment
  CAS-BOT-BC253748  Panicum capillare John Thomas Howell; et al. 1967-7-10 2191 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CHSC81645  Panicum capillare Lowell Ahart 2001-10-8 9321 Plumas Below the high water line of Antelope Lake, at the day camp that is north of Dedication Island, Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  UCD89518  Panicum capillare John Thomas Howell 1959-9-21 34747 Plumas N. Fk. Feather River near Belden. Comment
  JEPS110546  Panicum dichotomiflorum subsp. dichotomiflorum Lowell Ahart 2006-10-23 13499 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  CAS-BOT-BC175579  Parnassia palustris Walter Knight; Irja Knight 1966-9-12 1757 Plumas Darlingtonia Bog. Butterfly Botanical Area and Vicinity 1127 Comment
  CAS-BOT-BC175580  Parnassia palustris Walter Knight; Irja Knight 1967-9-16 2247 Plumas Butterfly Botanical Area and Vicinity 1036 Comment
  JEPS124139  Parnassia palustris Lowell Ahart, John Deurloo 2015-8-25 20524 Plumas About 100 yards east of the bridge, about 5 1/2 miles (air) south of Bucks Lake. Comment
  RSA59337  Parnassia palustris var. californica E. K. Balls 1950-9-10 15778 Plumas Trail from Lakes Center Public Camp to Long Lake outlet, 2 miles from camp. Southern Plumas County. 2012 Comment
  POM183422  Pedicularis aurantiaca L. S. Rose 1931-4-14 s.n. Plumas Woodleaf Comment
  UC1080380  Pedicularis densiflora E. K. Balls 1957-5-23 22519 Plumas sw shore of Lake Almanor (2 mi s of junction of State Hwys 89/36) 1402 Comment
  CHSC66774  Pedicularis racemosa Vernon H. Oswald; Lowell Ahart 1996-8-14 8167 Plumas Northern High Sierra Nevada. Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. 1645 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
  HSC22947  Pedicularis semibarbata John Pratt 1970-6-29 50 Plumas 5 mi. E of Humboldt summit Comment
  CAS-BOT-BC69351  Pellaea brachyptera Mary Strong Clemens 1920-5-5 s.n. Plumas Greenville 1097 Comment
  CAS-BOT-BC69354  Pellaea brachyptera J. G. Lemmon 1880-5-1 s.n. Plumas unspecified 2438 Comment
  SEINET10529797  Pellaea bridgesii Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4969 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
  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
  RSA420403  Penstemon Rockwell 1925-07 s.n. Plumas [No location information provided.] Comment
  SD131969  Penstemon deustus W. I. Follett 1946-5-24 142 Plumas Chips Creek at North Fork Feather River 671 Comment
  UC619255  Penstemon deustus J. and H. W. Grinnell 1938-6-11 1093 Plumas Mohawk 1341 Comment
  UC725778  Penstemon deustus A. A. Heller 1942-6-5 16501 Plumas on #24, 3 mi w Belden; w of Belden Comment
  RSA285579  Penstemon deustus subsp. deustus D. C. Michener 1981-7-17 4020 Plumas Sierra Nevada. CA 70, 1.2-1.5 mile north of Tobin. Above the north Fork of the Feather River. Comment
  CDA18677  Penstemon deustus var. pedicellatus G. D. Barbe, T. C. Fuller 1982-6-15 3727 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  CHSC49025  Penstemon deustus var. suffrutescens Vernon Oswald 1984-7-5 1347 Plumas Pacific Crest Trail 1.0 mi e of Humboldt Summit. 1996 Comment
  CHSC53070  Penstemon gracilentus L. P. Janeway 1989-6-30 3450 Plumas Plumas National Forest, Beckwourth Ranger District. Near rd 24N45 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
  CHSC92190  Penstemon gracilentus Lowell Ahart; John Dittes 2005-9-20 12449 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
  JEPS107696  Penstemon gracilentus Lowell Ahart, John Dittes 2005-9-20 12449 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
  UC614470  Penstemon gracilentus L. Constance 1938-6-10 2314 Plumas %w edge Lake Almanor at Prattville; w edge Lake Almanor at Prattville 1219 Comment
  SFV17477  Penstemon laetus P. Wilson 1998-7-18 3534 dup. Plumas Sierra Nevada Bucks Lake. 1600 Comment
  UC1585969  Penstemon laetus Barbara Ertter with Gary Schoolcraft 1989-7-3 8652 Plumas ca 8 airmi s Susanville (below Red Rock lookout); , s of Susanville 2255 Comment
  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
  UCR78374  Penstemon laetus Barbara Ertter, Gary Schoolcraft 1989-7-3 8652 Plumas Below Red Rock Lookout, c. 8 mi south of Susanville 2256 Comment
  JEPS11629  Penstemon neotericus W. L. Jepson 1939-7-31 19307 Plumas lower slopes Spanish Peak Spanish Peak, lower slopes 2011 Comment
  NY130452  Penstemon neotericus D. D. Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463.0 Comment
  NY627287  Penstemon neotericus R. M. Austin 1878-1 s.n. Plumas Comment
  RSA0006195  Penstemon neotericus D. D. Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463 Comment
  RSA739640  Penstemon neotericus B. Castro, L. P. Janeway 2005-9-11 1519 Plumas 5 air miles N of Bucks Lake and 2.5 miles N of Hwy 70 and the Feather River Canyon, just N of Three Lakes, 0.7 miles E of the Three Lakes trailhead, along the Pacific Crest Trail 1921 Comment
  CHSC21350  Penstemon newberryi F. T. Griggs; A. Pass 1975-8-6 311 Plumas Buck's Lake Forest Service Survey. Comment
  SEINET10548067  Penstemon newberryi Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4329 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  LA209545  Penstemon newberryi var. newberryi Mrs. C. W. Hollis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  CDA13940  Penstemon roezlii G. F. Hrusa 1997-6-26 13878 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
  CHSC104749  Penstemon roezlii L. P. Janeway 2010-8-19 10168 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost (northeastern) end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 1.0 km southwest of Road 22N27 (Lumpkin Road). 1797 Comment
  CHSC87627  Penstemon roezlii Lowell Ahart; John Dittes, Josephine Guardino 2004-5-24 10954 Plumas Along the margins of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1251 Comment
  SBBG122907  Penstemon roezlii B. Ertter, G. Schoolcraft 1989-7-3 8656 Plumas ridge between Red Rock and Diamond Mtn; ca. 8 air-mi S of Susanville 2225 Comment
  UC566013  Penstemon roezlii A. Lewis 1934-7-25 521 Plumas La Porte Plumas National Forest, Downieville Quadrangle 1524 Comment
  CAS-BOT-BC239605  Penstemon rydbergii var. oreocharis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC239608  Penstemon rydbergii var. oreocharis C. R. Quick 1945-7-20 45 -62 Plumas U.S.F.S. fenced pasture, Deane's [Deanes] Valley, S.E. of Meadow Valley Comment
  SEINET5329701 Image available Penstemon rydbergii var. oreocharis A. A. Heller, P. B. Kennedy 1907-7-9 8780 Plumas Prattville Comment
  UC887339  Penstemon speciosus Anna Head 1921-7-6 Plumas East Pk. Feather River Region 2072 Comment
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Jun 26 2006
  SEINET6626641  Pentagramma triangularis subsp. semipallida J. T. Howell 1967-6-23 42730 Plumas Sierra Nevada, Lewisia Rock, 3.5 miles sw of Belden, Feather River Cnyon Comment
  UC1778622  Perideridia bolanderi G. Douglas Barbe, T. C. Fuller 1982-7-16 3770 Plumas Lava cap ridge 1.5 miles W of Wheeler Peak and 1 mile S of Beardsley Mine on forest road 3.8 mile S of Green Flat, Plumas National Forest. 1981 Comment
  SEINET10454546  Perideridia bolanderi Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3865 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
  UC1509650  Perideridia bolanderi subsp. bolanderi M. S. Taylor 1982-6-10 4626 Plumas along 23N72 0.5 mi w Table Rock (ca 2.5 mi ne of Beckwourth); Reconnaisance Peak quad. 1676 Comment
  RSA59673  Perideridia lemmonii E. K. Balls 1950-9-9 15741 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CDA13987  Perideridia parishii subsp. latifolia G. F. Hrusa 1996-8-2 13449 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, approx. 1 mi. NW of Argentine Rock. Comment
  CHSC36998  Persicaria amphibia M. S. Taylor 1982-8-10 4956 Plumas Emergent in s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 1371 Comment
  CHSC34287  Persicaria lapathifolia L. Ahart 1981-9-6 3070 Plumas 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
  JEPS122242  Persicaria lapathifolia Lowell Ahart 2014-9-9 19841 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  CAS-BOT-BC419041  Persicaria lapathifolia John Thomas Howell 1959-9-26 35072 Plumas Feather River Canyon. Ca. 1.5 mi. w. of Belden 682 Comment
  CAS-BOT-BC419231  Persicaria maculosa Lowell Ahart 1981-9-6 3096 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CAS-BOT-BC419237  Persicaria maculosa John Thomas Howell 1959-9-24 34929 Plumas Junction of Indian and Spanish Creeks 914 Comment
  CDA13406  Phacelia hastata subsp. hastata G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13255 Plumas Sierra Nevada; Near headwaters of Bull Run Creek off USFS 23N12E. Comment
  UC586854  Phacelia heterophylla subsp. virgata Joseph Andorfer Ewan 1934-6-25 8229 Plumas Gold Lake Rd above Duetens; Sierra Nevada Comment
  SD133942  Phacelia humilis Barbara Ertter, Gary Schoolcraft 1989-7-3 8636 Plumas near Bear Creek crossing on Lone Rock road, Diamond Mts. Ca 9 airmiles S of Susanville Comment
  UC572379  Phacelia humilis E. Sawyer 1935-8-10 87 Plumas 1 1/2 mi s Sugar Loaf; Sierraville Quadrangle 1493 Comment
  RSA636043  Phacelia humilis var. humilis Michael A. Vincent 1999-6-7 8522 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  RSA71065  Phacelia hydrophylloides L. S. Rose 1951-6-28 51054 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  CDA25501  Philadelphus lewisii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 06 .256-B Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  OBI13974  Philadelphus lewisii Lewis S. Rose 1967-7-9 67139 Plumas Caribou, North Fork, Feather River 914 Comment
  RSA0046807  Philadelphus lewisii L. S. Rose 1967-7-9 67139 Plumas Caribou, North Fork, Feather River. 915 Comment
  CAS-BOT-BC260843  Phleum pratense John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1967-7-10 2177 Plumas Mouth of Butterfly Creek, Butterfly Botanical Area and Vicinity 883 Comment
  SEINET10657589  Phleum pratense Alan A. Beetle 1941-6-28 Beetle 2777 Plumas West side of Lake Almanor, mountain meadow in open pine forest. Assoc. Danthonia Deschampsia Sanicula tuberosa. 1829 Comment
  CHSC98344  Phlox diffusa L. P. Janeway 2007-6-3 9011 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. 1929 Comment
  JEPS48502  Phlox diffusa Esther C. Fritz 1933-7-1 Plumas Spanish Peak 2133 Comment
  UC1124176  Phlox diffusa P. G. Haddock 1938-5-29 5 Plumas Rock Creek Serpentine Plumas National Forest, Downieville Quad. 1219 Comment
  UC1186122  Phlox douglasii subsp. rigida Herbert L. Mason 1924-6-16 1045 Plumas Graeagle Comment
  UC1504529  Phoenicaulis cheiranthoides Reed C. Rollins and Kathryn W. Rollins 1981-5-30 81169 Plumas 11 mi s of Susanville (Diamond Mountains); Diamond Mountains Comment
  CAS-BOT-BC135162  Phoradendron juniperinum M. S. Taylor; M. Foster 1981-8-13 4177 Plumas top of hill, N & NE side of W flank of Wheeler Peak ridge, ca. 5 air mi N of Genesee 1981 Comment
  CAS-BOT-BC58834  Phyllodoce breweri C. C., Mrs. Bruce 1898-1-1 1229 Plumas Near Cinder Cone Comment
  CHSC108722  Phyllodoce breweri B. Castro; L. P. Janeway 2003-9-6 1449 Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, ca 1.5 mi west of Hay Meadow. Large patch on W edge of lake on Wilderness boundary line, near water's edge. 2058 Comment
  HSC18708  Physocarpus capitatus L. S. Rose 1966-7-27 66064 Plumas Butterfly Creek and Spanish Creek, 1 mi. S of Keddie 991 Comment
  UCR3597  Pinus contorta var. murrayana Wm. Horn Jr. 1963-8-13 630813- 02 Plumas S shore of Bucks Lake 1707 Comment
  CAS-BOT-BC78695  Pinus jeffreyi Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CDA530  Pinus jeffreyi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3103 Plumas South shore of Round Valley Reservoir. 1 mi W of dam on Dixie Canyon-Round Valley Rd. 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
  CHSC35285  Pinus lambertiana M. S. Taylor 1981-8-25 4242 Plumas Just off Spur Rd off Red Hill Rd (26N22F), ca. 1 air mi ne of the Lookout, ca. 5 air mi ne of Belden. 1767 Comment
  CHSC55465  Pinus lambertiana Ben Cunningham 1991-4-20 25 Plumas Ca 90 ft west of Pecks Valley Road and 2 mi northeast of Greenville. 1066 Comment
  SEINET5334638  Pinus lambertiana R. J. Holl 1949-5-28 s.n. Plumas 3 miles north of Quincy 1067 Comment
  SEINET9632808 Image available Pinus lambertiana Seville Flowers 1955-6-16 s.n. Plumas Near Crescent Mills; Sierra Nevada Mountains. 1554 Comment
  CAS-BOT-BC79048  Pinus ponderosa Mrs. Austin s.n. Plumas unspecified Comment
  CAS-BOT-BC79050  Pinus ponderosa Elmer I. Applegate 1929-6-23 5829 Plumas Mt. Lassen region, between Mineral and Chester Comment
  UCD133284  Pinus ponderosa Beecher Crampton 1960-6-21 5742 Plumas Gurnsey Creek. 3.5 miles E of Child's Meadow, along State Hwy. 36. 1463 Comment
  CHSC2381  Piperia unalascensis R. Carter 1964-7-4 142 Plumas One mile N of Green Island L. along Calif. Riding and Hiking Trail. 1706 Comment
  CHSC50568  Piperia unalascensis L. P. Janeway 1990-7-2 3753 Plumas Plumas National Forest. Ca 100 ft west of Paradise Cr and ca 3/4 mi south of Little Grizzly Cr. 1889 Comment
  JEPS28591  Piperia unalascensis George W. Gillett 1957-7-13 749 Plumas meadows across creek from Devil's Kitchen (Lassen Volcanic National Park); Lassen Volcanic National Park 1859 Comment
  UCSC004659  Piperia unalascensis R. Coleman 1990-7-10 1899 -P Plumas Bucks Lake Comment
  CHSC100366  Plagiobothrys cusickii Lowell Ahart 2008-9-10 15394 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte. 1537 Comment
  CAS-BOT-BC230964  Plagiobothrys hispidulus John Thomas Howell 1976-7-16 51898 Plumas Flood plain of Spanish Creek at mouth of Wapaunsie Creek 1097 Comment
  CHSC97187  Plagiobothrys hispidulus Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14059 A Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  JEPS103404  Plagiobothrys hispidulus Lowell Ahart 2002-7-2 9824 Plumas In a logged over area on the S side of Forest Road 22N94, E of Forest Road 22N94E, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1606 Comment
  CAS-BOT-BC228458  Plagiobothrys mollis W. Harnach; N. Harnach 1991-6-17 548 Plumas 3/4 mile W of steel bridge on Marble lane, Sierra Valley 1486 Comment
  RSA147083  Plagiobothrys scouleri var. hispidulus Alice Eastwood 1927-06 14446 Plumas Crescent Mills Comment
  SJSU7540  Plagiobothrys tenellus L. S. Rose 1967-6-12 67118 Plumas Butterfly Valley c. 3 mi W of Keddie 1219 Comment
  CAS-BOT-BC230639  Plagiobothrys torreyi var. diffusus L. P. Janeway 1992-5-6 4159 Plumas About 4 miles SW of Portola, W side of Claireville Flat between Middle Fork Feather RIver and Highway 70 1482 Comment
  SEINET6170685  Platanthera dilatata var. leucostachys R. McKee, H. L. Westover 1918-1 Plumas Comment
  CHSC20839  Platanthera leucostachys K. R. Stern 1975-7-24 5812 Plumas E shore of Lake Almanor. 1371 Comment
  CHSC6556  Platanthera leucostachys R. Carter 1966-7-10 477 Plumas Found 1 mi. N. Bucks Summit on W side Oroville-Quincy Rd., ca. 12 mi. W of Quincy. 1615 Comment
  CDA14767  Platanthera sparsiflora G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3354 Plumas 0.25 mile east of Bucks summit on Bucks Lake Road. 1670 Comment
  CHSC21201  Platanthera sparsiflora F. T. Griggs; A. Pass 1975-7-17 208 Plumas Buck's Lake Forest Service Survey. Comment
  UC1075712  Platanthera sparsiflora Robert J. Weatherby 1955-6-26 1560 Plumas near Lakes Ranger Station; Lakes Basin 1981 Comment
  UC1134753  Platanthera sparsiflora A. E. Wieslander Jul 1929 125 Plumas Butterfly Experiment Area Plumas Forest, Susanville Quad. 1219 Comment
  CHSC81411  Plectritis macrocera L. P. Janeway 1996-5-7 4959 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-BC458184  Pleuricospora fimbriolata M. Storey; D. S. McMullin 1943-9-14 s.n. Plumas Challenge road, 1 mi. SW of La Porte 1645 Comment
  RSA52906  Pleuricospora fimbriolata R. Weatherby 1973-10-2 s.n. Plumas Bucks Lake. 1524 Comment
  CAS-BOT-BC261054  Poa Catherine Best 1983-8-29 873 Plumas Lakes Basin Campground, Sierra Nevada 1920 Comment
  CHSC41186  Poa bolanderi J. D. Jokerst 1984-6-13 2045 Plumas South of Grizzly Creek, ca 2 air miles east of Peacock Point, ca. 30 meters N of spur C of USFS road 26N08. 1432 Comment
  CHSC91944  Poa bolanderi Lowell Ahart; Josephine Guardino 2005-8-9 12278 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
  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
  RSA795726  Poa bolanderi L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16133 Plumas East side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  CAS-BOT-BC254964  Poa bulbosa L. P. Janeway 1992-5-22 4194 Plumas S side of Middle Fork Feather River, just S of railroad tracks, 0.3 mile W of the road to Calpine, ca 4 miles E of Portola 1487 Comment
  CAS-BOT-BC255101  Poa compressa John Thomas Howell; et al. 1967-6-12 2007 A Plumas Butterfly Botanical Area and Vicinity. Near the spring 1127 Comment
  JEPS113802  Poa compressa Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14030 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  UCD90940  Poa cusickii subsp. epilis A. A. Heller 1942-5-8 16464 Plumas West of Vinton. 1524 Comment
  CAS-BOT-BC247273  Poa palustris John Thomas Howell 1961-9-23 36852 Plumas Indian Valley 1082 Comment
  CHSC56901  Poa palustris L. P. Janeway 1991-8-4 4120 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
  RSA201374  Poa palustris J. T. Howell 1960-8-20 36277 Plumas Drakesbad 1677 Comment
  UCD32548  Poa secunda Beecher Crampton 1954-5-11 1887 Plumas Sierra Valley, 7 miles S of Vinton. 1588 Comment
  UCR146410  Poa secunda Beecher Crampton 1954-5-10 1874 Plumas Northern Sierra Nevada Mountains, 1 mile west of Portola, along highway 24 1473 Comment
  CAS-BOT-BC242976  Poa secunda subsp. secunda Anna Head 1921-7-18 s.n. Plumas Feather River Region. Lake Center Camp 1981 Comment
  CAS-BOT-BC242979  Poa secunda subsp. secunda John Thomas Howell 1962-6-17 37705 Plumas Portola 1463 Comment
  CAS-BOT-BC242980  Poa secunda subsp. secunda Greg Sommers 1976-7-1 140 Plumas Sierra Valley Marsh, roadside along Dyson Lane 1524 Comment
  UCD91908  Poa secunda subsp. secunda Lewis S. Rose 1954-5-30 54078 Plumas Beckwourth. 1524 Comment
  CAS-BOT-BC244144  Poa sierrae John Thomas Howell; Gordon H. True 1969-4-8 45483 Plumas Lewisia Rock, 3.5 miles SW of Belden, Feather River Canyon 609 Comment
  CHSC118776  Poa wheeleri Chelsea Morgan; Wendy L. Boes 2015-5-25 2015 -004 Plumas Plumas National Forest. On the hillside south of Silver Creek, about 1 mi. downstream from the junction with Jack Meadow Creek, north of Forest Service road 24N29X. (UTM 658936 E, 4437694 N, NAD83 Zone 10N.) 1400 Comment
  JEPS108582  Polemonium californicum L. P. Janeway, B. Castro 2005-9-11 8545 Plumas Northern High Sierra Nevada. Near the Pacific Crest Trail about 0.6 km north of Three Lakes 1899 Comment
  NY404735  Polygonum aviculare Mrs. Ames 1876-1 s.n. Plumas 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
  CHSC110251  Polygonum aviculare subsp. neglectum L. P. Janeway 2012-10-17 11077 Plumas Northern High Sierra Nevada. Plumas National Forest; 500 m east of Little Grass Valley Reservoir high water line and 200 m south of Kenzie Ravine. 1554 Comment
  CAS-BOT-BC414310  Polygonum aviculare subsp. neglectum Lowell Ahart 1981-9-6 3071 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  JEPS87769  Polygonum bistortoides Lowell Ahart 1994-6-12 7321 Plumas w side of Faggs Mine Rd near Cedar Flat (sw of a small branch of Willow Creek, about 1 1/4 air mi s of Bucks Lake) 1706 Comment
  POM104471  Polygonum davisiae Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico, on the Big Divide. 1829 Comment
  CAS-BOT-BC414545  Polygonum douglasii Clare B. Hardham 1978-8-11 21777 b Plumas About 5 miles se. of Thompson Peak Comment
  RSA715664  Polygonum douglasii L. Ahart 2005-8-9 12261 Plumas Between Lights Creek and Fant Creek, W of Forest Road 27N09 about 6 miles (air) NW of the Boulder Creek Work Center at Antelope Lake. 1636 Comment
  SBBG121286  Polygonum douglasii L. Ahart, J. Dittes 2007-6-16 14091 Plumas S side of County Rd 111 (Beckwourth Genesee Rd), 50 yards E of Forest Rd 24N08, Red Clover Valley, ca. 2 mi (air) N of the N end of Lake Davis 1647 Comment
  UCD100254  Polygonum douglasii Lewis S. Rose 1967-7-9 67142 Plumas Quincy. 1036 Comment
  CAS-BOT-BC414560  Polygonum douglasii Lowell Ahart 1977-8-2 s.n. Plumas One mile west of Pilot Pk. Pilot Pk. is about 15 miles north-east of La Porte 2000 Comment
  RSA88463  Polygonum douglasii J. T. Howell 1951-8-19 28193 Plumas Greenville. 1098 Comment
  JEPS50554  Polygonum douglasii subsp. douglasii W. L. Jepson 1939-8-7 19343 Plumas meadow near lower camp of Forest School; Meadow Valley 1158 Comment
  CHSC102972  Polygonum douglasii subsp. spergulariiforme Lowell Ahart; John Dittes 2009-9-7 16897 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  SEINET11930161  Polygonum hydropiper Unknown 1981-1 3069 Plumas On a sandbar along Indian Creek, about 1/2 mi SW of the intersection of Hwy 89 and 1097 Comment
  RSA518879  Polygonum lapathifolium Barbara J. Ertter 1988-10-21 8004 Plumas Lake Almanor, E end of causeway ca 1.5 mi E of Chester on Hwy 36. 1341 Comment
  CAS-BOT-BC418527  Polygonum minimum Lowell Ahart 1985-7-11 5139 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte 1584 Comment
  JEPS114615  Polygonum minimum Lowell Ahart 2008-9-10 15378 Plumas On the bottom and sides of Onion Valley Creek, in the 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 1/2 miles (air) northeast of La Porte 1916 Comment
  CAS-BOT-BC419881  Polygonum polygaloides subsp. confertiflorum Thomas H. Kearney 1944-8-14 41 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC419887  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1955-7-20 30869 Plumas Mohawk 1371 Comment
  CHSC91739  Polygonum polygaloides subsp. confertiflorum G. D. Barbe; T. C. Fuller 1982-6-17 3846 Plumas Plumas National Forest. East shore Frenchman Lake; Crystal Fishing Access. At the parking lot. [Lat./long. on label is 39deg 55' N; 120deg 11' W]. 1706 Comment
  JEPS114428  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2008-7-9 15065 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
  JEPS51281  Polygonum polygaloides subsp. kelloggii W. L. Jepson 1910-6-5 4075 Plumas Hot Springs Valley Lassen Pk. 1706 Comment
  POM253028  Polygonum spergulariiforme A. A. Heller 1937-9-1 15344 Plumas Near the Feather river bridge at Chester,. 1305 Comment
  JEPS103690  Polypodium calirhiza G. E. See and Storrie Plumas Rock Creek Dam Comment
  CAS-BOT-BC233247  Polypogon maritimus Greg Sommers 1976-7-20 169 Plumas Sierra Valley Marsh, on flats away from channel crossed by metal bridge 1524 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
  CAS-BOT-BC72355  Polystichum imbricans subsp. imbricans John Thomas Howell 1966-7-26 42004 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River 609 Comment
  CAS-BOT-BC72358  Polystichum imbricans subsp. imbricans Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1450 Plumas near mouth of Butterfly Creek 883 Comment
  CHSC102121  Polystichum imbricans subsp. imbricans Lowell Ahart; John Dittes 2009-7-27 16164 Plumas On dry soil, on and around large rocks, about 50 yards southeast of a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  JEPS33252  Polystichum imbricans subsp. imbricans W. L. Jepson 1924-7-22 10611 Plumas Rich Point; Middle Fork Feather River 914 Comment
  CHSC101494  Polystichum lemmonii L. P. Janeway; Melanie Williams 2009-8-26 9929 Plumas Northern High Sierra Nevada. Plumas National Forest; eastern end of Red Mountain, about 110 m north-northwest of and below the Buckhorn survey monument. 1921 Comment
  CAS-BOT-BC76691  Polystichum munitum Gladys L. Smith 1976-5-18 s.n. Plumas Along Feather River between Belden & Storrie. Comment
  CAS-BOT-BC102347  Populus alba John Thomas Howell 1959-9-25 35035 Plumas Quincy 1036 Comment
  CAS-BOT-BC102757  Populus tremuloides Alice Eastwood 1927-6-27 14894 Plumas United States Forest Reserve, on road from [Chilcott] Chilcoot Comment
  CHSC8773  Potamogeton alpinus S. Chulasmai 1966-5-13 32 Plumas Honey Lake. Comment
  UC1099855  Potamogeton epihydrus subsp. nuttallii Malcolm A. Nobs, S. Galen Smith 1949-8-19 1427 Plumas 2 mi s of Crescent Mills (on Hwy 89, s end of Indian Valley); Indian Valley Comment
  CHSC24276  Potamogeton foliosus K. R. Stern 1975-7-25 Plumas NW end of Lake Almanor. Comment
  SD46728  Potamogeton foliosus subsp. foliosus Robert J. Weatherby 1950-7-28 1492 Plumas Snake Lake near Quincy, on shallow bottom 1219 Comment
  CHSC61453  Potamogeton natans Vernon H. Oswald; Lowell Ahart 1993-8-11 5783 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Volcanic National Park. Along the edge of the lake. 1767 Comment
  JEPS107727  Potamogeton natans Lowell Ahart, John Dittes 2005-9-20 12431 Plumas In Mud lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  CAS-BOT-BC453791  Potamogeton natans Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1507 Plumas Butterfly Botanical Area and Vicinity 1097 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
  CHSC81435  Potamogeton richardsonii Lowell Ahart 2001-9-18 9286 Plumas In shallow water of Freeman Creek, on the strand of Lake Davis. 1758 Comment
  SD61133  Potentilla breweri D. F. Howe 1964-7-29 Plumas Near Gold Lake Lodge, Plumas Nat. Forest 2042 Comment
  CAS-BOT-BC540071  Potentilla gracilis var. fastigiata Mrs. Jos. Clemens 1920-8-16 s.n. Plumas Homer Lake near Greenville Comment
  CAS-BOT-BC540077  Potentilla gracilis var. fastigiata Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  CAS-BOT-BC540412  Potentilla gracilis var. fastigiata Walter Knight; Irja Knight 1966-6-18 1337 Plumas Sierra Nevada, Butterfly Valley near overnight camp 1173 Comment
  CHSC53705  Potentilla millefolia L. P. Janeway 1989-7-18 3494 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.7 mi SW of Beckwourth-Genesee Rd (rd 111) 11.7 mi from Beckwourth. Along edge of meadow. 1706 Comment
  CAS-BOT-BC158520  Potentilla millefolia M. S. Taylor 1982-5-7 4420 Plumas Plumas National Forest/Beckwourth RD Expt. Area. Clover Valley Ranch in Red Clover Valley 1676 Comment
  CDA40573  Potentilla recta Willo Vieira 2014-6-18 PDR# 320 P06131720 Plumas Quincy; Lee Road, site #2. 0 Comment
  CDA33857  Potentilla recta Tim Gibson 2010-10-22 PDR# 1409546 Plumas Plumas County Fairgrounds near Lee Road. 0 Comment
  UC1931362  Potentilla recta Marti Aitken and Ingrid Burke 2009-7-9 Plumas On west side of State Route 89 approximately 0.9 miles north of Crescent Mills across from Stampfli Road. Comment
  JEPS102824  Potentilla rivalis Lowell Ahart 2001-8-29 9236 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS122095  Potentilla rivalis Lowell Ahart 2014-8-24 19750 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
  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
  SBBG21912  Poterium sanguisorba D. Myrick 1964-7-21 894 Plumas near trail parking area, Drakesbad 1737 Comment
  UC877754  Primula suffrutescens Mrs. E. C. Sutliffe Aug. 1917 Plumas mountains near Blairsden; mountains near Blairsden Comment
  UCD149524  Primula suffrutescens G. L. Stebbins 1970-7-24 7073 Plumas South of Gray Eagle. Northwest of Round Lake, Lakes Basin. (Exact location unknown. Coordinates estimated by label maker.) 2164 Comment
  SEINET12272878  Prunella vulgaris subsp. lanceolata Unknown 1961-1 239 Plumas Upper Butterfly Valley, 2.5mi W turn off Hwy 89-US 40 alt. 1 mi S Keddie. T25N R9E Sect.21.* 1158 Comment
  SD46646  Prunella vulgaris var. lanceolata Robert J. Weatherby 1950-7-7 1449 Plumas Gansner Creek, Quincy. In sun on moist soil of yellow pine forest. 1219 Comment
  JEPS23731  Prunella vulgaris var. lanceolata John Warren Duffield 1937-7-25 Plumas Little Schneider Creek near Meadow Valley; Little Schneider Creek, near Meadow Valley 1249 Comment
  CAS-BOT-BC158136  Prunus emarginata Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC158139  Prunus emarginata Alice Eastwood 1927-6-15 14617 Plumas United States Forest Reserve Comment
  CHSC23622  Prunus emarginata J. Cox 1975-7-24 Plumas SE side of Lake Almanor. Comment
  JEPS48772  Prunus emarginata John Warren Duffield 1937-5-23 Plumas se of Bucks Lake (Road to Bear Creek Ranger Station, sw Plumas County) Comment
  UC567078  Prunus virginiana var. demissa C. W. Hanks 1934-8-17 55 Plumas ne Sierra Valley Sierra Valley 1524 Comment
  SEINET7452705  Prunus virginiana var. demissa L. H. S. Sloan 1949-6-25 23 Plumas Spanish Creek, near Quincy, 5 miles out on Meadow Valley Road. 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
  CHSC81608  Pseudognaphalium luteoalbum Lowell Ahart 2001-10-8 9308 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
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Jun 28 2016
  SD9073  Pseudognaphalium microcephalum Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  CHSC20818  Pseudognaphalium thermale K. R. Stern 1975-7-24 5837 Plumas SW shore of Lake Almanor. 1371 Comment
  CDA13388  Pseudostellaria jamesiana G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13237 Plumas Sierra Nevada; Above headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC21605  Pseudostellaria jamesiana D. E. Brink; L. M. Mayer 1975-7-18 Plumas Bucks Lake Floristic Survey. Found in a meadow in the ne portion of the section. Comment
  UC1125831  Pseudostellaria jamesiana A. Lewis 1934-6-18 490 Plumas 1 mi sw Bald Mtn.; Plumas National Forest, Downieville Quad., sw of Bald Mtn. Comment
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Jun 14 2013
  UC1926793  Pseudostellaria sierrae Barbara Ertter with Gary Schoolcraft 1990-5-14 8984 Plumas East side of mountain east of Round Valley Reservoir above Crescent Mills 1371 Comment
  CAS-BOT-BC80157  Pseudotsuga menziesii Alice Eastwood 1927-6-15 14704 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  CAS-BOT-BC362000  Psilocarphus tenellus Mrs. H. C. Cantelow 1940-5-10 s.n. Plumas 2 1/2 miles west of Buck's Lake Comment
  SEINET7727767  Pteris aquilina Unknown Plumas Indian Valley Comment
  RSA797520  Purshia tridentata P. Reisentz 1979-5-12 s.n. Plumas Indian Creek, at the junction of Highway 70 and Highway 89. Comment
  CAS-BOT-BC147873  Purshia tridentata var. tridentata Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake Comment
  CHSC109999  Purshia tridentata var. tridentata B. Castro; L. P. Janeway 2006-6-3 1535 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1673 Comment
  CHSC96848  Purshia tridentata var. tridentata Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14003 Plumas East side of an open rocky flat, 20 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CHSC21323  Pyrola aphylla F. T. Griggs; A. Pass 1975-7-31 272 Plumas Grizzly Forebay. Comment
  RSA0080594  Pyrola dentata L. Ahart, John Dittes 2009-7-14 16065 Plumas On sides of Forest Service Road 27N92, about 1.9 air miles southeast of Seneca, about 6 air miles south of Lake Almanor Reservoir Dam. 1678 Comment
  JEPS58819  Pyrola dentata W. L. Jepson 1924-7-24 10633 Plumas Rich Point 914 Comment
  CHSC66623  Pyrola picta Vernon H. Oswald; Lowell Ahart 1996-7-15 8021 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along a Jeep road paralleling the shore of the lake. 1371 Comment
  RSA794208  Pyrola picta Diana D. Jolles 2005-7-15 123 Plumas Rocky Point Campground by Almanor Lake, Plumas National Forest. 1390 Comment
  CAS-BOT-BC466007  Pyrola picta Anna Head 1921-7-11 s.n. Plumas Indian Peak, Feather River Region Comment
  UC1999912  Pyrrocoma apargioides J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-13 9315 Plumas 8 km N of Lowalton, Sierra Valley, A-24 just W of CA-49. Comment
  CAS-BOT-BC328155  Pyrrocoma lucida John Thomas Howell 1955-7-20 30865 Plumas Mohawk, Sierra Nevada 1371 Comment
  CAS-BOT-BC62431  Quercus chrysolepis Mrs. Jos Clemens 1919-10-27 s.n. Plumas Taylorsville Comment
  RSA101962  Quercus chrysolepis F. Morton Jones 1918-06 s.n. Plumas Keddie. Comment
  UCD14010  Quercus chrysolepis John M. Tucker 1948-7-25 1750 Plumas California, Plumas Co.; 1.3 mi. east of Camp 18, area of Camel's Peak; Comment
  SEINET9005743  Quercus chrysolepis R. J. Holl 1928-5-28 s.n. Plumas Keddie, California, bench above the river 1067 Comment
  SEINET9005912  Quercus chrysolepis C. N. Saulisberry 1949-5-18 s.n. Plumas Feather River Canyon, lumber camp of Keddie Comment
  CHSC90301  Quercus chrysolepis var. nana L. P. Janeway 1994-8-26 4753 Plumas Northern High Sierra Nevada. Extreme western extension (end) of Lava Top, about 1.0 mi southwest of town of Cascade. 1440 Comment
  RSA87174  Quercus chrysolepis var. nana F. W. Peirson 1926-6-22 6810 Plumas On shore of Boiling Lake, Lassen National Park. Comment
  JEPS48091  Quercus durata var. durata Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2700 A Plumas 54 mi n Oroville (Feather River Canyon at Rich Bar (sign), just w of and above Feather River, 0.25 mi below (downstream) Pulga Bridge on Highway 40 Alt.); Feather River Canyon 731 Comment
  CAS-BOT-BC94264  Quercus garryana John Thomas Howell 1959-9-26 35067 Plumas near Virgilia 838 Comment
  CAS-BOT-BC62737  Quercus garryana var. breweri Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  UCD46127  Quercus garryana var. semota E. Nourse 1934-8-1 5 Plumas one mile northwest of Silver Creek. 1432 Comment
  CDA12148  Quercus vacciniifolia G. F. Hrusa, J. Dinsdale 1989-6-25 7201 Plumas Sierra Nevada; Bucks lake north shore. Comment
  CDA14023  Quercus vacciniifolia G. F. Hrusa, B. A. Smith 1996-8-8 13471 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
  JEPS103570  Ranunculus alismifolius var. alismellus Lowell Ahart 2002-6-26 9793 Plumas Growing along a small stream, ca 150 yards N of the gravel road, ca 1/4 mile (air) W of Lumpkin Ridge Road, ca 1 mile (air) SE of Tamarack Flat, ca 2 miles (air) NW of Little Grass Valley Reservoir dam, ca 5 miles (air) NW of La Porte. 1718 Comment
  CHSC57502  Ranunculus alismifolius var. hartwegii Mike Carpenter 1990-4-21 6 Plumas Ca. .8 mi e of intersection of Collins Pine Rd. and Humbug Valley Rd. Meadow. 1341 Comment
  SEINET10535960  Ranunculus alismifolius var. hartwegii Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4338 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET13710773  Ranunculus aquatilis Lowell William Ahart, Lowell William Ahart 2001-1 9287 Plumas Freeman Creek on Strand of Lake Davis (T24N, R13E, sec 29, NW 1/4) 5770 Ft. 1759 Comment
  CHSC46683  Ranunculus aquatilis var. diffusus Vernon H. Oswald 1988-8-5 3625 Plumas Yellow Creek Campground in Humbug Valley, ca. 13 mi (air) s of Chester. In Yellow Creek. 1316 Comment
  CDA19255  Ranunculus aquatilis var. hispidulus G. D. Barbe, T. C. Fuller 1982-6-17 3857 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 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
  CHSC75527  Ranunculus occidentalis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3225 Plumas Rhinehart Meadow, Mt. Hough-Crystal Lake Road 1.0 mile south of China Grade Road (to Taylorsville). 1676 Comment
  UCR63644  Ranunculus occidentalis B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0958 Plumas Sierra Nevada Mountains, Plumas National Forest c. 6 mi north of Gold Lake on Gold Lake Road, and 2.6 mi west of junction with Hwy 89 1585 Comment
  RSA39721  Ranunculus occidentalis var. eisenii P. A. Munz 1947-5-16 11815 Plumas 5 Miles north of Chilcoot. 1524 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
  JEPS48493  Ranunculus orthorhynchus var. orthorhynchus John W. Duffield 1937-6-5 Plumas se Meadow Valley (in stream tributary to Rock Creek) 1280 Comment
  UCR139353  Ranunculus repens David D. Keck 1932-7-3 1678 Plumas Northern Sierra Nevada Mtns., Quincy 1067 Comment
  RSA551253  Rhamnus J. T. Howell 1976-7-20 52037 Plumas transition zone forest at S end of Lake Almanor 1372 Comment
  POM186836  Rhamnus purshiana D. D. Keck 1932-7-3 1647 Plumas Hillside S of town, Spruce yellow pin forest. 1189 Comment
  RSA518946  Rhamnus purshiana J. T. Howell 1959-9-24 34935 Plumas Butterfly Creek near mouth Comment
  RSA609424  Rhamnus purshiana Louis C. Wheeler 1958-7-30 7357 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  UC1121917  Rhamnus purshiana F. W. Embree 1934-6-12 98 Plumas 1.25 mi s and 0.25 mi w Bucks Lane; Plumas National Forest, Bidwell Bar Quad. 1706 Comment
  RSA518942  Rhamnus rubra J. T. Howell 1975-7-21 51340 Plumas Injun Jim Campground, eather River Canyon. 610 Comment
  UC1121929  Rhamnus rubra E. Sawyer 1935-7-8 277 Plumas 4.5 mi s Crow; Plumas National Forest, Sierraville Quad. 1798 Comment
  CHSC61619  Rhododendron occidentale Hatton; Cayot 1914-9-20 100 Plumas Cascade Valley. 1219 Comment
  CHSC72324  Rhynchospora alba L. P. Janeway 1998-9-10 6272 Plumas Butterfly Valley Botanical Area; upper edge of darlingtonia bog (Sweetwater Marsh) just below Road 25N47 0.3 mi south of Road 417. 1173 Comment
  JEPS91029  Rhynchospora alba Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11430 Plumas Cascade Mountains, Lassen National Park, Little Willow Creek Little Willow Creek; Cascade Mountains, Lassen Nat'l Park, Little Willow Creek 1874 Comment
  JEPS102233  Rhynchospora capitellata L. P. Janeway 2001-7-5 7416 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. 1177 Comment
  CAS-BOT-BC111919  Rhynchospora glomerata var. capitellata John Thomas Howell 1976-7-15 51869 Plumas Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  CAS-BOT-BC92391  Ribes aureum var. aureum Mary Strong Clemens 1920-5-31 s.n. Plumas Greenville. Comment
  SD8334  Ribes californicum Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
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Jul 22 2018
  CAS-BOT-BC108706  Ribes cereum John Thomas Howell; Gordon H. True 1973-7-31 50125 Plumas Sierra Nevada. On road from Janesville to Thompson Peak, Diamond Range. 1981 Comment
  CAS-BOT-BC108709  Ribes cereum L. P. Janeway 1989-6-20 3353 Plumas Plumas National Forest. Beckwourth Ranger District. East facing slope near top of Crocker Mountain 2194 Comment
  CAS-BOT-BC169122  Ribes inerme var. inerme H. Albert Barker 1926-7-11 116 Plumas Feather River, Blairsden 1371 Comment
  SEINET13942628 Image available Ribes menziesii A. D. E. Elmer 2015-1 4496 Plumas Portola Comment
  CHSC101938  Ribes nevadense Lowell Ahart; John Dittes 2009-7-15 16103 Plumas On dry rocky soil, east of the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  UC1127577  Ribes roezlii D. Axelrod 1934-6-4 4 Plumas American House Plumas National Forest, Downieville Quadrangle Comment
  SEINET12216476  Ribes roezlii W. Knight, Knight, I. 1983-1 4942 Plumas confluence of North Fork of Feather River & Warner Creek on road between Chester & Drakesbad 1463 Comment
  CAS-BOT-BC186225  Ribes roezlii var. roezlii Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC186228  Ribes roezlii var. roezlii Anna Head 1921-8-31 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CAS-BOT-BC168778  Ribes viscosissimum Anna Head 1921-7-17 s.n. Plumas Indian Pk. near snow - Feather River Region Comment
  CAS-BOT-BC168781  Ribes viscosissimum Mary Strong Clemens 1920-6-23 s.n. Plumas Crystal Lake Comment
  CHSC87644  Ribes viscosissimum var. viscosissimum Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10912 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy. 1804 Comment
  JEPS114513  Ribes viscosissimum var. viscosissimum Lowell Ahart 2008-6-5 14812 Plumas Steep west bank of the South Fork of the Feather River, about 1/8 mile southwest of the Feather Fork Mine, about 1 1/4 miles northeast of the Little Grass Valley Reservoir 1645 Comment
  CAS-BOT-BC363061  Rigiopappus leptocladus M. S. Taylor 1982-6-28 4771 Plumas Paralleling Hwy 70, just w of Calpine Rd (109), Ramelli Ranch, ca. 1 mi w of Beckwourth 1487 Comment
  CAS-BOT-BC74633  Rorippa curvisiliqua Anna Head 1920-8-3 s.n. Plumas Feather River Region. Lake Center Camp. 1920 Comment
  CHSC40441  Rorippa curvisiliqua Lowell Ahart 1985-7-11 5127 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
  CHSC94844  Rorippa curvisiliqua var. orientalis Lowell Ahart 2006-10-8 13397 Plumas Gravel bar, on the west side of Chips Creek, just south of the bridge on Highway 70, about 1 1/4 miles southwest of Belden. 715 Comment
  UC1126733  Rorippa nasturtium-aquaticum E. Sawyer 1935-6-14 106 Plumas 1 mi s Sugarloaf; Sierraville Quad. Comment
  CAS-BOT-BC74871  Rorippa tenerrima John Thomas Howell 1976-7-14 51827 Plumas Sierra Nevada. Quincy. 1051 Comment
  UC467811  Rosa bridgesii H. M. Hall June 1912 9261 Plumas Willow Creek Sierra Nevada Mountains 1249 Comment
  HSC94144  Rosa californica B. Villegas 1999-7-8 Plumas Frenchman's Lake Rd. Comment
  CAS-BOT-BC148164  Rosa gymnocarpa John Thomas Howell 1976-7-15 51866 Plumas Snake Lake, about 4 miles northwest of Quincy - Sierra Nevada 1219 Comment
  CHSC81404  Rosa gymnocarpa Lowell Ahart 2001-9-18 9270 Plumas South of the Darlingtonia Bog and east of the dirt road, Butterfly Valley, about 5 miles (air) northwest of Quincy. 1112 Comment
  OBI30645  Rosa gymnocarpa Bernie Smith 1966-7-26 184 Plumas 22N-7e-34 at Pinchard Crk Forest Svc Camp Comment
  RSA499264  Rosa gymnocarpa Dorothy Davis 1923-08 s.n. Plumas Mohawk 1524 Comment
  CAS-BOT-BC147111  Rubus glaucifolius Anna Head 1920-1-1 s.n. Plumas Camp Rodgers, Feather River region Comment
  CAS-BOT-BC147968  Rubus parviflorus Alice Eastwood 1927-6-11 14484 Plumas Forest Lodge near Greenville - United States Forest Reserve Comment
  CAS-BOT-BC363142  Rudbeckia californica Lowell Ahart 1979-8-16 s.n. Plumas Along Ohio Ravine 1700 Comment
  CHSC66700  Rudbeckia occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1996-8-1 8137 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at a drainage ca. 0.9 mi W of Hauns Mdw., SSE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1463 Comment
  CDA14689  Rumex acetosella G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3159 Plumas Long Valley, 0.4 mile south of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  CHSC113881  Rumex acetosella Lowell Ahart 2014-8-26 19777 Plumas Gravel bars in the center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  OBI2945  Rumex acetosella Lewis S. Rose 1968-6-10 68092 Plumas Quincy 1036 Comment
  POM280481  Rumex acetosella Lyman Benson 1932-7-29 3995 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  CAS-BOT-BC422047  Rumex acetosella Walter Knight; Irja Knight 1966-6-18 1311 Plumas Butterfly Valley 1036 Comment
  CHSC92819  Rumex salicifolius var. triangulivalvis Lowell Ahart; Josephine Guardino 2005-8-9 12297 Plumas In a meadow, along a small drainage that runs into Fant Creek, south of Fant Creek, near the water trough, about 30 yards southwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC97035  Rumex salicifolius var. triangulivalvis L. P. Janeway; B. Castro 2007-6-9 9036 Plumas Northern High Sierra Nevada. Central part of Thompson Valley just wouthwest of the main channel; 1.5 km north of Red Clover Creek. Occasional in one of several small channels headcutting into a wet meadow. 1666 Comment
  CAS-BOT-BC434305  Rumex triangulivalvis John Thomas Howell 1951-6-27 27559 Plumas Johnsville 1584 Comment
  CAS-BOT-BC434308  Rumex triangulivalvis John Thomas Howell 1959-9-22 34853 Plumas Drakesbad 1737 Comment
  JEPS122178  Rumex triangulivalvis Lowell Ahart 2014-8-26 19778 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  UC935761  Sagittaria latifolia Malcolm A. Nobs and S. Galen Smith 1949-8-19 1419 Plumas about 2 mi s Greenville (Indian Valley); Indian Valley Comment
  SD46456  Sagittaria latifolia Robert J. Weatherby 1950-7-21 1483 Plumas Butterfly Lake, Quincy district. 1220 Comment
  CHSC63725  Sagittaria rigida Vernon H. Oswald 1994-9-6 6476 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  RSA31765  Salix boothii A. A. Heller 1942-8-3 16513 Plumas The Drinking Fountain above Little Hot Springs. Lassen Park. Comment
  CHSC54416  Salix eastwoodiae Vernon H. Oswald 1991-7-17 4751 Plumas Little Willow Lake located on the south border of the park, ca. 2.5 miled (air) south-southeast of Drakesbad. 1828 Comment
  UC846413  Salix eastwoodiae Mrs. E. C. Sutliffe Aug. 1919 Plumas Gold Lake region Comment
  CHSC97162  Salix exigua Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14024 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  CHSC113848  Salix exigua var. hindsiana Lowell Ahart 2014-9-9 19851 Plumas Below the high water line,on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CHSC61706  Salix jepsonii Vernon H. Oswald; Lowell Ahart 1993-8-25 5862 Plumas North Arm of Rice Creek SE of Twin MDws., ca. 0.2 mi upstream from the S boundary of Lassen Volcanic Park. 1987 Comment
  CHSC118828  Salix jepsonii Wendy L. Boes 2015-5-27 2015019 Plumas Plumas National Forest. Location southwest of Silver Creek, north of Forest Service 24N29X, west of 24N56, near Meadow Valley. UTM 663727 E, 4422262 N, NAD83 Zone 10N. Growing in creek. 1160 Comment
  CHSC118833  Salix laevigata Amy Rachkowski 2015-6-30 2015006 Plumas Plumas National Forest. Location along the northwest shore of the Antelope Lake, between Forest Service road 28N03 and 27N65. UTM 701000 E, 4454005 N, NAD83 Zone 10N. 1600 Comment
  CAS-BOT-BC125314  Salix lasiandra var. lasiandra John Thomas Howell 1959-9-24 34941 Plumas Butterfly Creek near mouth Comment
  CAS-BOT-BC107056  Salix lasiolepis Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1833 Plumas Mouth of Butterfly Creek 1036 Comment
  UC726282  Salix lasiolepis A. A. Heller 1938-5-30 15135 Plumas bank of river near Virgilia; Feather River 792 Comment
  CAS-BOT-BC128435  Salix lasiolepis var. lasiolepis Irja Knight; Walter Knight; John Thomas Howell 1966-7-28 1432 Plumas In bed of Spanish Creek near confluence of Butterfly Creek 1021 Comment
  CAS-BOT-BC128438  Salix lasiolepis var. lasiolepis John Thomas Howell 1977-8-11 52676 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Rerservoir 1676 Comment
  CHSC87631  Salix lasiolepis var. lasiolepis Lowell Ahart; Josephine Guardino 2004-5-24 10945 Plumas On the bottom of a small drainage, about 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 1/2 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1158 Comment
  CAS-BOT-BC124803  Salix lemmonii John Thomas Howell 1961-9-25 36927 Plumas Feather River bed, Portola 1478 Comment
  CHSC75538  Salix lemmonii G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3075 Plumas 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CAS-BOT-BC125102  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 394 Plumas North Fork of Feather River, at Chester 1350 Comment
  UC481906  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 398 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  UC482032  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 393 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  CHSC69909  Salix lucida subsp. lasiandra L. P. Janeway 1997-5-7 5118 Plumas Along north side of Red Clover Creek, 6.9 mi southeast of Indian Creek and 0.3 mi northwest of Notson Bridge (via Beckwourth-Genesee Road). 1554 Comment
  CHSC91898  Salix lucida subsp. lasiandra Lowell Ahart; Josephine Guardino 2005-8-9 12294 Plumas On the east side of Fant Creek, on the west side of the dirt road, about 100 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC21194  Salix lutea F. T. Griggs; A. Pass 1975-7-2 49 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC129390  Salix melanopsis A. A. Heller; P. B. Kennedy 1907-7-13 8830 Plumas Taylorville Comment
  CDA14755  Salix melanopsis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3316 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite 1341 Comment
  JEPS122298  Salix melanopsis Lowell Ahart 2014-8-31 19810 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
  NY762727  Salix melanopsis J. T. Howell 1976-7-16 51897 Plumas On flood plain of Spanish Creek at mouth of Wapaunsie Creek 1097.3 Comment
  SD917  Salix melanopsis Carleton R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 395 Plumas North Fork of Feather river, at Chester, on flood plain at highway bridge 1349 Comment
  JEPS14872  Salix planifolia subsp. planifolia John Warren Duffield 1937-5-30 Plumas gravel pit n of Meadow Valley Creek (near rd. into camp) 1158 Comment
  CAS-BOT-BC176984  Salsola tragus John Thomas Howell 1955-7-19 30763 Plumas Beckwourth 1493 Comment
  CHSC70234  Sambucus mexicana B. Castro; R. Fallscheer, R. Zebell 1989-8-7 359 Plumas Ca 3 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
  JEPS12748  Sambucus mexicana W. L. Jepson 1939-8-16 19448 Plumas Spanish Peak; lower s slopes 1036 Comment
  CHSC21595  Sambucus racemosa var. microbotrys L. M. Mayer; D. E. Brink Jr. 1975-7-17 Plumas Bucks Lake Floristic Survey. Comment
  CDA17237  Sanguisorba annua G. F. Hrusa, Kerr, S. Winterton 2004-6-25 16340 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
  RSA726282  Sanguisorba annua L. Ahart, J. Dittes 2007-6-16 14147 Plumas W of a small stream. About 200 yards S of County Rd 111 (Beckwourth Gensee Rd). 20 yards E of Forest Road 24N08. Red Clover Valley. About 2 miles (air) N of the N end of Lake Davis. 1648 Comment
  UC1037207  Sanguisorba annua Leo Whitney 1934-8-11 1558 Plumas near source Freeman Creek (ca 9 mi nw of Portola, nw end of Big Grizzley Valley); Plumas National Forest, nw end Big Grizzley Valley, Freeman 1828 Comment
  UC2042979  Sanicula bipinnatifida Barbara Ertter with Gary Schoolcraft 1990-5-14 8980 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  CHSC82495  Sanicula graveolens Lowell Ahart 2002-6-26 9758 Plumas On the southwest side of a gravel road, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1741 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
  UCD23353  Sanicula tuberosa E. W. Jameson 1949-4-26 s.n. Plumas Experiment Station in Quincy. 1097 Comment
  UC485773  Saxifraga oregana H. E. and S. T. Parks 1928-6-20 221 Plumas Drakesbed; Mount Lassen National Park, Drakesbed Comment
  CHSC85005  Sceptridium multifidum L. P. Janeway; B. Castro 2003-9-7 7983 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/ slough/meadow complex between Hidden Lakes and Beauty Lake, 1.1 km south of Long Lake. 2063 Comment
  CAS-BOT-BC111268  Schoenoplectus acutus var. occidentalis John Thomas Howell; Gordon H. True 1967-7-9 43254 Plumas North Fork of Feather River 3 miles southwest of Caribou. 853 Comment
  SJSU9820  Schoenoplectus americanus C. W. Sharsmith 1982-5-30 8671 Plumas ditch draining Marble Hot Springs, Sierra Valley 1524 Comment
  JEPS91025  Schoenoplectus subterminalis Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11435 Plumas Cascade Mountains, Lassen National Park, Little Willow Creek Little Willow Creek; Cascade Mountains, Lassen Nat'l Park, Little Willow Creek 1874 Comment
  UC1609144  Scirpus acutus var. occidentalis Vernon H. Oswald and Lowell Ahart 1993-8-3 5762 Plumas Unnamed lake 0.25 mi e of Hay Meadow (9 air mi n of Lake Almanor, near n end of 30N25 on s edge of Caribou Wilderness); Caribou Wilderness 1926 Comment
  CHSC54873  Scirpus microcarpus Vernon H. Oswald 1991-9-11 4872 Plumas Lassen Volcanic Park. Road to Drakesbad, ca. 0.5 mi west of the boundary of the park. On the edge of Hot Springs Creek. 1615 Comment
  CHSC21648  Scutellaria californica Brink; Mayer 1975-7-12 Plumas Buck's Lake Forest Service Survey. Comment
  RSA189341  Scutellaria siphocampyloides L. S. Rose 1967-7-11 67156 Plumas Quincy Junction. 976 Comment
  JEPS62868  Scutellaria tuberosa W. I. Follett 1937-5-30 Plumas Rich Gulch 1173 Comment
  CAS-BOT-BC63849  Sedum spathulifolium John Thomas Howell 1962-6-16 37634 Plumas Lewisia Rock, North Fork Feather River 640 Comment
  CDA18736  Sedum spathulifolium G. D. Barbe, T. C Fuller 1982-7-15 3746 Plumas Plumas National Forest; 5.2 miles northeast of junction with road to Red Hill. 1524 Comment
  CHSC82515  Senecio aronicoides Lowell Ahart 2002-6-26 9772 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
  SJSU5480  Senecio aronicoides R. B. Ingersoll 1966-6-11 Plumas Lake Almanor 1380 Comment
  CAS-BOT-BC363731  Senecio hydrophilus Malcom A. Nobs; S. Galen Smith 1949-8-19 1409 Plumas Ca. 2 miles south of Greenville, Indian Valley Comment
  CHSC93158  Senecio hydrophilus L. P. Janeway 1994-8-16 4733 Plumas Northern High Sierra Nevada. West side of Little Schneider Creek about 0.5 mi south of Meadow Valley Creek. Large meadow. 1146 Comment
  CAS-BOT-BC363799  Senecio integerrimus C. R. Quick 1957-6-15 57 -06 Plumas About 1/2 mile south of Lake Almanor 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
  CHSC87619  Senecio integerrimus var. exaltatus Lowell Ahart; Josephine Guardino 2004-5-24 10941 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
  RSA0125023  Senecio integerrimus var. exaltatus Philip A. Munz 1947-5-17 11841 Plumas 8 miles north of Chilcoot. 1524 Comment
  RSA0091373  Senecio integerrimus var. integerrimus Bonnie C. Templeton 1968-1 11287 Plumas [No location data on label. Possibly Trinity County.] Comment
  SEINET10904859  Senecio pauciflorus var. jucundulus Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4322 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CHSC97297  Senecio serra var. serra Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14460 Plumas About 30 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-BC364400  Senecio triangularis Catherine Best 1983-8-29 878 Plumas Lakes Basin Campground 1920 Comment
  POM272149  Senecio triangularis Lyman Benson 1932-7-29 3991 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  RSA59691  Senecio triangularis E. K. Balls 1950-9-9 15760 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  CHSC112595  Senecio vulgaris Lowell Ahart 2013-9-11 19027 A Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CHSC70220  Sericocarpus oregonensis B. Castro; R. Fallscheer 1989-8-7 355 Plumas Ca 3 air mi S of Bucks Lake, W of USFS Rds 23N18, ca 0.4 mi SW jcn Rds 23N18, 23N15 and 23N69, on the south flank Red Mtn. 1767 Comment
  UC1585844  Sibbaldia procumbens Barbara Ertter with Gary Schoolcraft 1989-7-3 8673 Plumas ca 7 air mi s Susanville (Diamond Mt. peak, n-face); Diamond Mt. 2286 Comment
  CHSC9756  Sidalcea glaucescens Nancy Mosman 1971-7-17 150 Plumas In meadow 25 ft n of Hwy 32 ca. 3.8 mi s of Chester. 1493 Comment
  RSA59425  Sidalcea glaucescens E. K. Balls 1950-9-15 15857 Plumas S tip Lake Almanor, near P G E dam, Hwy 89. 1372 Comment
  POM84695  Sidalcea hartwegii Mary E. P. Ames 1891-05 s.n. Plumas Auburn. Taylorsville, Indian Valley. Comment
  SEINET10480007  Sidalcea malviflora subsp. asprella Mary Susan Taylor 1982-6-1 Taylor 4576 Plumas T24N R9E se/ne & sw/nw sec 11. Quincy quad. On e side of Hwy 70, ca. l mi n of Quincy. Indian Hill area. 3600 ft. 1097 Comment
  UCD147786  Sidalcea oregana Allyson Ayalon; Lucie Jerabkova 2012-8-1 139 Plumas Plumas County. Antelope Lake vacinity. 1524 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
  UC1075634  Sidalcea oregana subsp. spicata Robert J. Weatherby 1950-7-21 1473 Plumas East Quincy 1036 Comment
  CAS-BOT-BC384318  Silene bernardina Clarence R. Quick 1953-8-8 53 -117 Plumas Along trail on brushy ridge south of Meadow Valley Comment
  CHSC36856  Silene douglasii M. S. Taylor 1982-7-21 4894 Plumas Around s end of Backs Creek Ridge, ca. 5 mi se of Quincy. 1752 Comment
  RSA59180  Silene douglasii E. K. Balls 1950-9-1 15616 Plumas East of Long Lake above meadow leading down to two smaller lakes. 2134 Comment
  UC852850  Silene douglasii Anna Head 1920-7-20 Plumas near Round Lake (Feather River Region); , near Round Lake Comment
  SEINET11263193  Silene douglasii Barbara Ertter, Gary Schoolcraft 1990-5-14 8970 Plumas East side of mountain above Crescent Mills, E of Round Valley Reservoir.; 0 1372 Comment
  CAS-BOT-BC389382  Silene lemmonii Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1427 Plumas Butterfly Botanical Area and Vicinity. In vicinity of Pond reservoir 1097 Comment
  CDA14135  Silene lemmonii G. F. Hrusa 1997-5-3 13825 Plumas Sierra Nevada; E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  CHSC76128  Silene lemmonii G. F. Hrusa 1997-5-30 13825 Plumas Sierra Nevada. On E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. [Original lat./long. on label is '39 52 N; 120 44 W']. 1350 Comment
  CAS-BOT-BC389374  Silene lemmonii L. P. Janeway 1990-6-19 3722 Plumas Plumas National Forest, Beckwourth Ranger District, Rattlesnake Compartment. West of Rattlesnake Creek, ca 1 1/4 mi N of Hwy 70/89 and Long Valley 1402 Comment
  UCD98748  Silene lemmonii W. R. Powell 1968-7-2 1596 Plumas along road around SE side of Little Grass Valley Reservoir, 3 miles NNE of La Porte. 1554 Comment
  CHSC116530  Silene nuda B. Castro; Brian Humphrey 2015-7-8 2095 Plumas Northern High Sierra Nevada. W side of lower Thompson Valley ca 0.8 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, ca 400 ft below edge of open Ponderosa-Jeffrey pine forest. 1667 Comment
  CAS-BOT-BC181364  Silene occidentalis John Thomas Howell 1960-7-21 35857 Plumas Trail to Little Willow Lake, Lassen Volcanic National Park 1767 Comment
  CHSC73941  Silene occidentalis subsp. occidentalis B. Castro; L. Gehrung 1998-9-24 842 Plumas Ca 3 air mi W of Pilot Peak, on S-facing slope of W-trending ridge, on E side of USFS Rd 22N60 ca 0.1 mi S of the Pacific Crest Trail crossing. 1798 Comment
  UCD115461  Sisymbrium altissimum E. K. Balls 1950-9-15 15853 Plumas south tip of Lake Almanor by PG and E Station, Highway 89. 1371 Comment
  SD7505  Sisyrinchium Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  CHSC92133  Sisyrinchium bellum Lowell Ahart; John Dittes 2005-9-20 12447 Plumas The southwest area of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  CHSC44251  Sium suave Vernon Oswald 1988-7-19 3591 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 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
  SEINET10474347  Solidago californica Mary Susan Taylor 1980-10-8 Taylor 3363 Plumas T25N R12E nw sec 6. Open sandy, dry areas, S side of Beckwourth Rd, ca. 0.4 mi SE of its jct with Beckwourth-Genesee Rd, ca. 10 mi E of Taylorsville. Comment
  SEINET10872002  Solidago canadensis subsp. elongata Mary Susan Taylor 1981-7-17 Taylor 4030 A Plumas T21N R12E ne/se sec 7, Sierra City NW quad; Bear Lake trail of Lakes Basin area, within 1/4 mi of trailhead near Ellwood Lodge, 6 mi S of Mohawk; moist shaded forest; 6400 ft elev. 1950 Comment
  CHSC34923  Solidago elongata M. S. Taylor 1981-7-17 4030 A Plumas Within 1/4 mi of Bear Lakes trailhead, near Elwell Lodge, ca. 6 air mi s of Mohawk. 1950 Comment
  RSA754538  Solidago spectabilis L. Ahart, John Dittes 2009-7-28 16205 Plumas Meadow SE of powerline, 500 feet SE of Forest Service Road 27N28Y, slope N of Ohio Creek, 2.6 air miles NW of butt Valley Reservoir Dam. 1512 Comment
  UC1999887  Solidago spectabilis J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-12 9310 Plumas CA-89, about 3 km W of Taylorsville, Hough Creek. Comment
  CAS-BOT-BC365120  Solidago velutina subsp. californica John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2442 Plumas Butterfly Botanical Area and Vicinity. From vicinity of mouth of Butterfly Creek 883 Comment
  CHSC58161  Sonchus asper subsp. asper Vernon H. Oswald 1992-6-18 4985 Plumas Lassen Volcanic National Park. Warner Valley: N side of Hot Spring Creek ca. 0.2 mi upstream from the boundary of the park. 1609 Comment
  CAS-BOT-BC157307  Sorbus californica Rimo Bacigalupi 1927-7-4 1655 Plumas Between [Gray Eagle] Graeagle and Long Lake Comment
  CDA11937  Sorbus californica G. F. Hrusa, J. Dinsdale 1989-6-27 7219 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  UC1128682  Sorbus californica D. Axelrod 1934-6-9 32 Plumas 2 1/4 mi nw Lexington Hill; Plumas National Forest 1767 Comment
  UC170980  Sorbus californica H. M. Hall 1912-7-10 9340 Plumas near summit Mt. Elwell; Sierra Nevada Mountains 2377 Comment
  RSA239248  Sparganium angustifolium subsp. emersum Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42318 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  UC1099796  Sparganium eurycarpum var. eurycarpum Malcolm A. Nobs and S. Galen Smith 1949-8-19 1461 Plumas se side Portola Comment
  SEINET8883968  Spergularia marina W. Harnach, N. Harnach 1990-4-18 258 Plumas Sierra Valley, Marble Lane, Marble Hot Well. 1487 Comment
  CHSC85690  Spergularia rubra G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-23 3160 Plumas Long Valley, 0.4 mile south of junction, Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  HSC93487  Sphenosciadium capitellatum G. Fred Hrusa, T. D. Wilfred 1996-8-1 13422 Plumas Pine Creek at Brady's Camp, 1/2 mi. NE Argentine Rock 2125 Comment
  SD7627  Sphenosciadium capitellatum Daniel Cleveland 26 Jul Plumas Beg Spring, Big Meadows. Comment
  CHSC82468  Spiraea densiflora Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9826 Plumas In a logged over area on the south side of Forest Road 22N94, east 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. 1606 Comment
  SD8401  Spiraea densiflora Mrs. R. M. Austin 1879-1 Plumas Mt. Dyer, Big Meadows Comment
  UC1128705  Spiraea densiflora D. Axelrod 1934-6-9 19 Plumas 2.25 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quad. 1767 Comment
  CAS-BOT-BC149636  Spiraea douglasii Peter Rubtzoff 1978-8-4 9243 Plumas West side of Hwy 89 0.2 mile north of Spanish Creek crossing (ca. 0.75 mile north of Quincy) Comment
  CAS-BOT-BC149639  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
  CAS-BOT-BC149662  Spiraea douglasii Alice Eastwood 1927-6-1 14693 a Plumas Greenville, United States Forest Reserve Comment
  UC1192307  Spiranthes stellata Malcolm A. Nobs and S. Galen Smith 1949-8-19 1445 Plumas Butterfly Valley; bog and marsh Comment
Read comments
Sep 30 2013
  RSA0089035  Spraguea umbellata Bonnie C. Templeton 1968-6-10 11275 Plumas Near Lake Almanor. 1386 Comment
  CDA13379  Stachys ajugoides var. ajugoides G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13228 Plumas Sierra Nevada; Upper Bull Run Creek off USFS 23N12E, about 1/4 mile below headwater springs. Comment
  CHSC13626  Stachys ajugoides var. rigida M. S. Taylor 1974-7-3 300 Plumas Ca. 25 ft e of road, opposite Darlingtonia Bog, in Butterfly Valley Botanical Area, ca. 5 mi nw of Quincy. 1173 Comment
  SEINET9322891  Stachys rigida Unknown Plumas Gray Eagle Creek Comment
  SEINET9362994  Stachys rigida Unknown 2014-7-23 2014 -012 Plumas Gray Eagle Creek, Lakes Basin, Plumas National Forest Comment
  HSC93660  Stellaria borealis subsp. sitchana G. Fred Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13265 Plumas Adjacent to Bull Run Creek off USFS Rd. 23N12E 1950 Comment
  CHSC80827  Stellaria crispa Lowell Ahart 2001-7-19 8942 Plumas On the banks of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  JEPS95479  Stellaria crispa Lowell Ahart 1994-7-28 7545 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 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
  SEINET9330227  Stenotus acaulis Unknown 1982-6-17 3812 Plumas Plumas National Forest Comment
  JEPS95057  Stephanomeria elata Lowell Ahart 1997-9-11 7913 Plumas about 2 air mi ne of Belden (on e side of Caribou Road, on e side of the North Fork of Feather River, at the elevaed siphon); North Fork of Feather River, Caribou Road 731 Comment
  UCD136249  Stephanomeria elata F. H. Bolster 1912-9-1 52 Plumas Tobin, Feather River Canyon. 381 Comment
  CAS-BOT-BC322971  Stephanomeria tenuifolia John Thomas Howell 1951-8-20 28211 Plumas Between Taylorsville and Genesee, Sierra Nevada 1097 Comment
  UCR151579  Stipa lemmonii Beecher Crampton 1954-5-10 1864 Plumas Northern Sierra Nevada Mtns., 1.5 miles northeast of Portola 1524 Comment
  SEINET8077620  Stipa lemmonii var. lemmonii C. Tanner 1999-1 s.n. Plumas Within city limits of Portola (area bounded by Plumas/Quincy Streets on N and S, Wiloow and Rock Streets on E and W). 1484 Comment
  CAS-BOT-BC87776  Streptanthus tortuosus A. A. Heller 1915-7-7 12072 Plumas Near the summit of Soapstone Ridge in the Sierra Nevada. 12 miles west of Bucks. 1676 Comment
  JEPS20830  Streptanthus tortuosus S. Galen Smith 1958-7-25 Plumas on serpentine slope along Feather River Hwy (Alt. US 40) 2.2 mi e bridge over the North Fork of the Feather River (and junction of road to Caribou, near Rich Bar) 777 Comment
  RSA71129  Streptanthus tortuosus L. S. Rose 1951-6-24 51074 Plumas Feather River Canyon, near Grays Flat. 823 Comment
  UC856773  Streptanthus tortuosus var. orbiculatus A. A. Heller 1915-7-7 12072 Plumas near summit of Soapstone Ridge (12 mi w of Bucks); Sierra Nevada 1676 Comment
  CAS-BOT-BC517430  Streptopus amplexifolius Mary Strong Clemens 1920-6-28 s.n. Plumas Quincy Comment
  SEINET10449415  Styrax officinalis subsp. redivivus Mary Susan Taylor 1982-5-23 Taylor 4511 Plumas T23N R5E ne/nw sec 7. Pulga SW quad. On granite soils, both sides of Hwy 70 e side of Arch Rock Tunnel, ca. 0.5 mi sw of Butte-Plumas Co line. 1600 ft. 488 Comment
  CDA12099  Styrax officinalis var. redivivus G. F. Hrusa, G. L. Webster 1989-5-1 7013 Plumas Sierra Nevada; Feather River near Belden. Comment
  CAS-BOT-BC245862  Symphoricarpos Clare B. Hardham 1975-8-2 s.n. Plumas Black Mt., Sierra Nevada 2133 Comment
  CAS-BOT-BC271694  Symphoricarpos albus var. laevigatus John Thomas Howell; Gordon H. True 1969-6-23 45839 Plumas 4.7 miles north of Nelson Point on road to Quincy 1188 Comment
  CHSC105894  Symphoricarpos albus var. laevigatus L. P. Janeway 2010-8-4 10134 Plumas Northern High Sierra Nevada. Plumas National Forest; along Soda Creek 0.7 km northwest of Hwy 70 and East Fork North Fork Feather River. Growing along dirt road disturbance between the road and the creek. 944 Comment
  CHSC67649  Symphoricarpos albus var. laevigatus James D. Jokerst 1985-6-10 2409 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Cresent. Comment
  CAS-BOT-BC237005  Symphoricarpos mollis John Thomas Howell 1960-7-18 35552 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC237008  Symphoricarpos mollis John Thomas Howell 1961-6-21 36626 Plumas Greenville, Sierra Nevada 1097 Comment
  CHSC98315  Symphoricarpos rotundifolius var. rotundifolius B. Castro; L. P. Janeway 2005-7-10 1501 Plumas Northern High Sierra Nevada. NW end of the Diamond Mtns, just S of crest. Along jeep road ca 0.2 mi N of its jcn with sharp bend in Rd 27N12, along rocky upper end of Stony Creek. In open Jeffrey pine/Mtn juniper/Cercocarpus ledifolius woodland. 1965 Comment
  UC1119999  Symphoricarpos rotundifolius var. rotundifolius C. W. Hanks 1934-8-8 18 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quad. 1828 Comment
  UCR18722  Symphoricarpos vaccinioides Frank C. Vasek 1975-7-10 750710 25 Plumas Chilcoot Campground, south of Frenchman Lake 1555 Comment
  JEPS120476  Symphyotrichum bracteolatum L. P. Janeway 2012-8-8 11047 Plumas Northern High Sierra Nevada. Plumas National Forest; east side of West Branch Nelson Creek; east side of Gibsonville-Johnsville Road about 0.5 km north of its bridge across West Branch Nelson Creek; 2.5 air km east of Stafford Mtn. Comment
  CHSC69697  Symphyotrichum chilense Vernon H. Oswald; Lowell Ahart 1997-9-18 8879 Plumas Ca. 4 air mi west-northwest of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 3.6 mi south of its junction with 26N49 (to Humbug Valley). 1170 Comment
  CAS-BOT-BC97869  Symphyotrichum eatonii Clare B. Hardham 1986-8-9 30402 Plumas Meadow Valley - Virgilia Road. Roadside edges. South-facing slope 1188 Comment
  CHSC110621  Symphyotrichum foliaceum var. parryi B. Castro; L. Janeway 2006-9-9 1617 Plumas High Cascades Range. About 200 m east of Jedidiah Colter Lake (between Blue Lake and North Arm Rice Creek). 1969 Comment
  CAS-BOT-BC98489  Symphyotrichum spathulatum John Thomas Howell 1977-8-11 52700 Plumas Sierra Nevada - north end of Frenchmans Reservoir 1706 Comment
  JEPS107647  Symphyotrichum spathulatum var. spathulatum Lowell Ahart, Josephine Guardino 2005-8-9 12258 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
  UCD86192  Taeniatherum caput-medusae R. Tofsrud 1948-7-1 s.n. Plumas Quincy R.R. Junction. Comment
  CHSC75917  Tanacetum vulgare G. F. Hrusa 1996-8-22 13534 Plumas Northern Sierra Nevada. Roadside along Squirrel Creek on USFS road leading to Argentine Rock. Approx. 1 mi. NE of Hwy 70, and approx. 7 mi. E of Quincy. 1360 Comment
  CAS-BOT-BC376843  Tanacetum vulgare M. S. Taylor 1982-7-22 4910 Plumas Along 24N27Y on s side of Meadow Valley Creek, ca. 1/4 mi e of Schneider Creek Rd (24N16), ca. 1/4 mi s of Meadow Valley 1158 Comment
  RSA51268  Tanacetum vulgare Ella Dales Cantelow 1940-10-5 3413 Plumas 1 mile W of Meadow Valley Inn. Comment
  JEPS3265  Taraxacum officinale Roxana S. Ferris 1952-5-18 12488 Plumas 1.5 mi n Greenville 1097 Comment
  CAS-BOT-BC376959  Taraxacum officinale Roxana S. Ferris 1952-5-18 12488 Plumas 1.5 miles north of Greenville 1097 Comment
  JEPS102642  Taraxia tanacetifolia Lowell Ahart 2001-8-28 9208 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
  SEINET5345398  Taraxia tanacetifolia W. Harnach, N. Harnach 1989-6-17 143 Plumas Sierra Valley, Marble Lane 1487 Comment
  SEINET5345197  Taraxia tanacetifolia M. J. Williams, L. Wise 1976-5-31 76- 21 -1 Plumas Sierra Valley, between Chilcoot & Vinton 1554 Comment
  SBBG2851  Tellima grandiflora H. and M. Dearing 1938-7-2 2270 Plumas Feather River Hwy 609 Comment
  CAS-BOT-BC329082  Tetradymia canescens Alice Eastwood 1927-6-27 14868 Plumas United States Forest Reserve, on raod from Reno to Chilcott Comment
  UC1070341  Tetradymia canescens C. W. Hanks 1934-8-16 54 Plumas Upper Long Valley Plumas National Forest, Sierraville Quad. 1737 Comment
  UC1126238  Thalictrum fendleri F. W. Embree 1934-6-6 89 Plumas Three Lakes Plumas National Forest, Bidwell Bar Quadrangle Comment
  CHSC65117  Thalictrum fendleri var. fendleri Vernon H. Oswald; Lowell Ahart 1995-7-24 7106 Plumas High Cascade Range. Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake. 1950 Comment
  CAS-BOT-BC88051  Thelypodium crispum Greg Sommers 1976-7-6 214 Plumas Sierra Nevada. Sierra Valley Marsh, 1.5 km. east of metal bridge, on shoulder of Dyson Lane. 1524 Comment
  CAS-BOT-BC77721  Thelypteris nevadensis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1488 Plumas Fern Glen 1097 Comment
  CAS-BOT-BC77724  Thelypteris nevadensis Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  CHSC13622  Thelypteris nevadensis M. S. Taylor 1974-7-3 296 Plumas Abundant in Fern Glen, ca. 1 mi s of Darlington Bog, in Butterfly Valley Botanical Area, ca. 5 mi nw of Quincy. 1173 Comment
  POM121231  Thelypteris nevadensis R. M. Austin 1872-08 41 Plumas Black Hawk Creek Comment
  SD9918  Thelypteris nevadensis George E. Davenport 1877-1 Plumas Comment
  CAS-BOT-BC197391  Thinopyrum intermedium subsp. barbulatum M. S. Taylor 1982-6-28 4761 Plumas Ramelli Ranch, between Calpine Rd (109) and cow pastures, ca. 1 mi w of Beckwourth, s of Hwy 70 1487 Comment
  CHSC57424  Thlaspi arvense L. P. Janeway; Melinda Carlson 1991-6-18 4048 Plumas Plumas National Forest. North side of Middle Fork Feather River, south side of Hwy 70, at Delleker, ca 0.3 mi west of Portola. In pasture. 1472 Comment
  CAS-BOT-BC88156  Thlaspi arvense M. S. Taylor 1982-5-19 4483 Plumas Ramelli Ranch, ca. 2.5 miles west of Beckwourth. 1463 Comment
  UC844401  Tofieldia occidentalis subsp. occidentalis Anna Head 1921-7-22 Plumas on trail to Long Lake Feather River Region Comment
  CHSC46715  Torreyochloa erecta V. Oswald; L. Ahart 1989-8-22 3952 Plumas Impounded spring on the e side of Humbug Rd 1.5 mi (odometer) n of Humbug Summit (Butte county line). On the edge of the pond. 1981 Comment
  JEPS122320  Torreyochloa pallida var. pauciflora Lowell Ahart 2014-8-31 19806 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
  SEINET249739 Image available Torreyochloa pallida var. pauciflora Stan Gessel 1940-7-10 unknown Plumas .5 miles east of Smiths Store, Meadow Valley. 1158 Comment
  UCD93186  Torreyochloa pallida var. pauciflora Beecher Crampton 1970-6-25 8633 Plumas Quincy, Spanish Creek just north of town. 1036 Comment
  UCD93198  Torreyochloa pallida var. pauciflora John Thomas Howell 1960-7-19 35647 Plumas Drakesbad. 1676 Comment
  RSA496337  Torreyochloa pallida var. pauciflora Elaine Joyal, D. Mehlman 1988-6-30 1298 Plumas E of Quincy. Irrigation ditch running through heavily-used pasture, with Typha, Carex. 1200 Comment
  CHSC98356  Toxicoscordion paniculatum L. P. Janeway 2007-5-20 8992 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. 1573 Comment
  CAS-BOT-BC377119  Tragopogon porrifolius John Thomas Howell; Gordon H. True 1967-7-11 43277 Plumas 2 miles from Quincy Junction on road to Mt. Hough 1219 Comment
  CHSC107919  Triantha occidentalis subsp. occidentalis L. P. Janeway 2011-9-11 10722 Plumas Northern High Sierra Nevada. Between Road 22N57 (the road around Little Grass Valley Reservoir) and Black Rock Creek just before it empties into the Reservoir. In the mossier middle of the meadow. 1570 Comment
  SEINET13948230 Image available Trichostema oblongum C. R. Quick 1952-1 52 -301 Plumas Wet place northwest of Almanor Comment
  RSA0091885  Trientalis latifolia Bonnie C. Templeton 1968-1 11284 Plumas [No location data on label. Possibly Trinity County.] Comment
  CHSC110293  Trifolium beckwithii B. Castro; L. P. Janeway 2006-6-3 1549 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
  CDA27908  Trifolium breweri D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .285 Plumas Plumas Eureka State Park. S Johnsville Comment
  UC2042993  Trifolium breweri Barbara Ertter with Gary Schoolcraft 1990-5-14 8985 Plumas East of Round Valley Reservoir west of Crescent Mills. Comment
  UC80481  Trifolium breweri Mrs. R. M. Austin June 1878 Plumas Big Meadows Comment
  UC54387  Trifolium breweri H. M. Hall and E. B. Babcock July, 1903 4427 Plumas Indain Valley Sierra Nevadas, Greenville 1066 Comment
  CHSC97579  Trifolium cyathiferum Lowell Ahart; John Dittes 2007-6-17 14184 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  JEPS28488  Trifolium cyathiferum George W. Gillett 1957-7-17 804 Plumas near east inlet; Lassen Volcanic National Park, upper Willow Lake 1661 Comment
  UC1563716  Trifolium kingii var. productum Barbara Ertter with Gary Schoolcraft 1989-7-3 8674 Plumas ca 7 air mi s Susanville (Diamond Mtn peak, n face); ; NWSW Comment
  UCD107464  Trifolium longipes Tim Kuhn 2006-6-13 27 Plumas south of Frenchman Lake. Comment
  UCD111280  Trifolium longipes Michael A. Vincent 1999-6-9 8573 Plumas Sierra Twp. Along Marble Lane, SSE of Beckwourth, east of CA Rt. A23. Comment
  CHSC76056  Trifolium longipes subsp. hansenii G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3057 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Rd. 1889 Comment
  CAS-BOT-BC230196  Trifolium productum Anna Head 1920-8-10 s.n. Plumas Lake Center Camp. Cleft in rock above stream. 1920 Comment
  CHSC112064  Trifolium productum L. P. Janeway 2014-6-15 11526 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
  CHSC89537  Trifolium productum G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-23 3143 Plumas Sierra Nevada. 3.25 mi west of Round Valley Reservoir Dam; 0.25 mi east of jct with road to Canyon Dam (i.e. south arm of Lake Almanor). 1633 Comment
  SEINET3131902  Trifolium productum A. A. Heller, PB Kennedy 1917-7-15 sn Plumas Near mouth of Little Grizzly creek below Genessee Comment
  JEPS104611  Trifolium variegatum Lowell Ahart 2003-7-18 10423 Plumas In a meadow, on the 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
  CHSC115174  Trifolium variegatum var. variegatum Lowell Ahart 2015-6-7 20223 Plumas About 80 yards west of the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  CHSC80838  Trifolium wormskioldii Lowell Ahart 2001-7-17 8904 Plumas In a small meadow, 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
  CHSC97070  Trifolium wormskioldii Lowell Ahart; Josephine Guardino 2007-7-21 14355 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
  JEPS115108  Trifolium wormskioldii Lowell Ahart, John Dittes 2009-7-27 16185 Plumas On dry soil, about 20 yards north of the poor dirt road, on the north side of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  JEPS66088  Trifolium wormskioldii R. H. Platt 1891-1 Plumas Prattville Sierras Comment
  UCD109922  Trifolium wormskioldii Heller and Kennedy 1907-1 s.n. Plumas Meadow, near Crescent Mills. Comment
  JEPS113928  Triglochin scilloides W. and N. Harnach 2000-8-2 964 Plumas Sierra Valley 1.5 miles south of Highway 70 on A-23, 0.25 miles east of A-23. South of Beckwourth, CA (Sierra VAlley Farms) Comment
  UCD138206  Triglochin scilloides Malcolm A. Nobs; S. Galen Smith 1949-8-18 1385 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  SEINET10459933  Triodanis perfoliata Howell Howell 27766 Plumas FEATHER RIVER Comment
  CAS-BOT-BC199687  Trisetum canescens Catherine Best 1983-8-29 872 Plumas Lakes Basin Campground 1920 Comment
  CAS-BOT-BC199700  Trisetum canescens Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1579 Plumas Roadside near mouth of Butterfly Creek 1097 Comment
  CHSC100853  Trisetum canescens L. P. Janeway; B. Castro 2008-9-13 9592 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. In and above a road edge drainage near where the road crosses a rocky bouldery north-facing dry drainage. 1649 Comment
  CHSC74053  Trisetum canescens B. Castro; L. P. Janeway 1998-8-29 829 Plumas Fowler Lake Proposed SIA. Ca 2 air mi N of Little Grass Valley Reservoir, beside trail ca 0.3 mi N of Fowler Lake, S of its jcn with the Pacific Crest Trail. 1676 Comment
  CHSC74175  Trisetum canescens B. Castro; L. P. Janeway 1998-8-29 826 Plumas Ca 1 air mi NW of Little Grass Valley Reservoir, at jcn with Lumpkin Ridge Rd (USFS Rd 22N27) and Rd 23N94. On S side of intersection. 1737 Comment
  CHSC97300  Trisetum spicatum Lowell Ahart; John Dittes 2007-8-9 14443 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
  CAS-BOT-BC522025  Triteleia hyacinthina John Thomas Howell 1960-7-21 35827 Plumas Northwest of Willow Lake, Lassen Volcanic National Park 1706 Comment
  CAS-BOT-BC522028  Triteleia hyacinthina Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  SD52258  Triteleia hyacinthina Frank Stephens 1894-7-1 10297 Plumas Greenville. Comment
  CAS-BOT-BC524230  Triteleia ixioides subsp. anilina Rimo Bacigalupi 1927-7-11 1694 Plumas Gold Lake Region, near Bear Lake 1889 Comment
  CAS-BOT-BC525751  Triteleia ixioides subsp. scabra Lowell Ahart 1979-7-18 s.n. Plumas Ca. 2 mi. NW of Pilot Pk. Red Fir Forest, along edge of dirt road N of Finger Board Mtn. 1800 Comment
  CDA14597  Triteleia montana G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3081 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CAS-BOT-BC526474  Triteleia montana M. S. Taylor 1982-6-12 4643 Plumas In Chester, open lot on south side of Highway 36, 0.5 miles west of bridge 1371 Comment
  CHSC75473  Turritis glabra G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3169 Plumas Road bank above Dark Ravine Creek, 2.7 miles south of Dixie Canyon-Round Valley Road. 1524 Comment
  CHSC81164  Urtica dioica subsp. holosericea Lowell Ahart 2001-9-24 9203 Plumas Near 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, on the west side of the poor dirt road,about 3/4 mile northeast of Chester. 1371 Comment
  JEPS115195  Urtica dioica subsp. holosericea Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16122 Plumas Edge of a meadow or seep, about 20 yards north 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
  UCD121827  Utricularia intermedia Barry Rice 2004-8-22 BR 040807 Plumas along the northeast shore of Lake Almanor. Comment
  UCD121852  Utricularia intermedia Elizabeth Salvia 2004-8-22 ES 0008 Plumas along the northeast shore of Lake Almanor. Comment
  UC1795495  Utricularia macrorhiza Barry Rice 2005-7-23 BR 50709 Plumas Lassen Volcanic National Park, In the shallows of Little Willow Lake Comment
  UCD122034  Utricularia macrorhiza Barry Meyers-Rice 1997-8-2 MR 970803 Plumas southeast shoreline of Willow Lake. Comment
  UCD135964  Utricularia macrorhiza Barry Rice 2012-7-1 BR 120701 Plumas 0.33 km north of Silver Lake. 1760 Comment
  UC1564760  Utricularia minor V. Oswald, L. Ahart, and L. Hanson 1989-7-31 3906 Plumas 6.5 mi. (air) n. of La Porte (0.5 mi. (air) w. of Fowler Peak, lake at headwaters of Fowler (Slate) Creek) 1670 Comment
  CHSC54403  Utricularia ochroleuca Vernon H. Oswald 1991-7-17 4743 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. On the margin of the lake. 1828 Comment
  CHSC62119  Utricularia vulgaris L. P. Janeway 1993-7-16 4458 Plumas Plumas National Forest. Snake Lake. 1205 Comment
  RSA682374  Vaccinium membranaceum L. Gehrung 1994-9-16 12 Plumas Bucks Lake Quad. 5 miles north of Lower Bucks Lake on trail around north side of Three Lakes. Comment
  CAS-BOT-BC199517  Vaccinium uliginosum Marcus E. Jones 1897-7-3 s.n. Plumas Prattville 1371 Comment
  CHSC21214  Vaccinium uliginosum subsp. occidentale F. T. Griggs; A. Pass 1975-7-17 205 Plumas Comment
  RSA201366  Veratrum californicum J. T. Howell 1960-8-20 36278 Plumas Drakesbad 1677 Comment
  CAS-BOT-BC528890  Veratrum californicum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-12 2119 Plumas Sierra Nevada, Butterfly Botanical Area and Vicinity, at spring 1127 Comment
  CDA19279  Veronica americana G. D. Barbe, T. C. Fuller 1982-6-17 3867 Plumas Plumas National Forest; Frenchman Lake. 2 mi N of Turkey Pt Fishing Access; 1706 Comment
  CHSC64833  Veronica americana Vernon H. Oswald 1995-6-24 6908 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralleled by the road to Last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. 1371 Comment
  SBBG21874  Veronica americana D. Myrick 1964-7-21 901 Plumas Drakesbad 1737 Comment
  CHSC40652  Veronica peregrina subsp. xalapensis Lowell Ahart 1985-9-26 5181 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  JEPS115212  Veronica serpyllifolia subsp. humifusa Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16155 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
  UC619267  Vicia americana var. americana J. and H. W. Grinnell 1938-6-11 1096 Plumas Mohawk 1371 Comment
  CAS-BOT-BC263845  Viola Lewis S. Rose 1963-6-3 63106 Plumas Butterfly Valley, 2 miles SW of Keddie 1188 Comment
  CAS-BOT-BC263860  Viola adunca Mary E. Wall 1939-6-25 s.n. Plumas Brush Creek Ranger Station Comment
  CAS-BOT-BC264004  Viola adunca Elmer I. Applegate 1929-6-21 5800 Plumas Warner Valley, Mount Lassen region Comment
  UC1586401  Viola adunca Vernon H. Oswald and Lowell Ahart 1991-6-18 4693 Plumas 0.8 air mi e of Homer Lake (Forest Rd 28N68A, 1.6 mi s of it's junction with Forest Rd 28N68, 5.25 air mi n of Greenville) 2011 Comment
  UC1749361  Viola adunca Milo S. Baker 1935-6-26 8101 Plumas Childs Meadow Comment
  UCSB46174  Viola adunca var. adunca Reisentz, Paul 1979-5-12 Plumas Indian Creek at the junction of Highway 70 and Highway 89 Comment
  JEPS127200  Viola bakeri Lowell Ahart 2016-6-2 20909 Plumas 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. Comment
  RSA52837  Viola bakeri R. Weatherby 1950-5-31 1438 Plumas Lake Almanor. 1418 Comment
  JEPS52315  Viola beckwithii Wayne Roderick 1967-4-15 Plumas 1 1/2 mi e of Beckwourth; Sierra Valley 1524 Comment
  RSA39744  Viola beckwithii Philip A. Munz 1947-5-17 11847 Plumas 20 miles north of Chilcoot. 1829 Comment
  UCD110645  Viola blanda Alva Day 1939-5-31 s.n. Plumas Near Camel's Peak. Comment
  JEPS50386  Viola glabella John W. Duffield 1937-5-23 Plumas near Bear Creek Comment
  RSA0091371  Viola glabella Bonnie C. Templeton 1968-1 11292 Plumas [No location data on label. Possibly Trinity County.] Comment
  CHSC21561  Viola lobata subsp. lobata D. E. Brink Jr.; L. M. Mayer 1975-7-3 Plumas Bucks Lake. Comment
  UC108569  Viola lobata subsp. lobata Mrs. R. M. Austin May, 1876 Plumas Butterfly Valley Comment
  RSA244739  Viola parnassifolia J. T. Howell 1967-6-23 42705 Plumas Butterfly Valley. Type locality. 1037 Comment
  RSA232870  Viola parnassifolia L. S. Rose 1968-6-11 68106 Plumas Butterfly Valley, 4 mi S of Keddie. 1037 Comment
  RSA80513  Viola purpurea subsp. quercetorum Milo S. Baker 1937-5-16 8644 Plumas Indian Cr. along Hwy 89, 2.5 miles S of Crescent Mills. Comment
  SJSU4152  Viola purpurea subsp. venosa C. W. Sharsmith & W. Savage 1967-5-20 7522 Plumas near S base of the Buttes c. 7 mi W of Vinton, Sierra Valley 1524 Comment
  CAS-BOT-BC175665  Viola sororia subsp. affinis John Thomas Howell 1976-7-15 51839 Plumas Snake Lake, about 4 miles northwest of Quincy 1219 Comment
  CHSC94190  Viola tomentosa Lowell Ahart 2006-7-3 12900 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, west edge of a dry open basalt flat. 1527 Comment
  CHSC21284  Vitis californica F. T. Griggs; A. Pass 1975-8-2 296 Plumas Buck's Lake. Comment
  RSA0121724  Vitis californica Lewis S. Rose 1967-7-9 67140 Plumas Caribou, North Fork, Feather River. 915 Comment
  CAS-BOT-BC183207  Vulpia microstachys var. ciliata John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1984 Plumas Near barn in valley proper. Butterfly Botanical Area and Vicinity 1036 Comment
  UCD94546  Vulpia microstachys var. pauciflora John Thomas Howell 1961-6-21 36665 Plumas Greenville. 1097 Comment
  JEPS110336  Vulpia myuros var. hirsuta Lowell Ahart 2006-10-8 13394 Plumas On the west side of Chips Creek, just south of the bridge on Highway 70, about 1 1/4 miles southwest of Belden 715 Comment
  JEPS113782  Wyethia mollis Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14011 Plumas East side of an open rocky flat, 20 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  SBBG36558  Wyethia mollis H. and M. Dearing 1939-5-9 3314 Plumas near Blairsden on Sierra City Rd Comment
  SEINET157654  Wyethia mollis C. Lumer, S. Yost 2006-7-27 2440 Plumas Sierra Nevada Mountains. Rte 89, edge of Luther Pass. 2255 Comment
  JEPS3023  Wyethia mollis Milo S. Baker 1952-5-24 12444 Plumas canyon above Pine Valley (Hwy 89) 944 Comment
  CDA14693  Xerophyllum tenax G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3172 Plumas 2.0 miles south of Long Valley and Rush Creek roads, 4.0 miles north of Highway 70 at Grays Flat. Sheet 2 of 2 1447 Comment
  POM147068  Zigadenus paniculatus Alice Eastwood 1927-6-13 14549 Plumas Forest lodge near Greenville, United States Forest Reserve Comment
  CAS-BOT-BC533084  Zigadenus venenosus Rimo Bacigalupi 1927-7-7 1638 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake. Comment
  SEINET7296595 Image available Zizania aquatica Malcolm A. Nobs, S. Galen Smith 1949-1 1418 Plumas Marshy area about 2 miles south of Greenville, Indian Valley Comment



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