Search Results — 2000 specimen records retrieved (1449 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/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  OBI20287  Abies concolor Earl P. Dirmeyer 1916-1 s.n. Plumas Quincy, N eastern CA; Plumas Natl Forest Comment
  CAS-BOT-BC78093  Abies magnifica John Thomas Howell; Gordon H. True 1973-7-31 50065 Plumas summit ridge of Thompson Peak, Diamond Range 2362 Comment
  JEPS42747  Acer glabrum R. H. Platt 1891-1 Plumas Prattville region , Prattville region (the Sierras) Comment
  JEPS48811  Acer glabrum John Warren Duffield 1937-7-18 Plumas Schneider Creek Schneider Creek (sw Plumas Co) Comment
  UC1171597  Acer glabrum D. Axelrod 1934-6-9 22 Plumas 2 1/4 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quad. 1767 Comment
  CAS-BOT-BC330955  Acer glabrum var. glabrum J. M. Tucker 1948-7-25 1737 Plumas At mine of United Mining Company, Pinchard Creek, SW side of Camel Peak 1524 Comment
  UC1071612  Acer glabrum var. glabrum G. T. Nordstrom 1934-7-9 197 Plumas 3/4 mi s Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  JEPS48550  Acer glabrum var. torreyi J. W. Duffield 1937-5-31 Plumas se Bucks Lake (Rocky wall, third water, Bear Creek, sw Plumas County); Bear Creek, se of Bucks Lake (See Bucks Lake Quad.) Comment
  SEINET7893936  Acer macrophyllum C. N. Saulisberry 1949-5-28 s.n. Plumas Feather River Canyon, near Keddie Comment
  CAS-BOT-BC28727  Achillea millefolium Anna Head 1920-7-1 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CDA13760  Achnatherum lemmonii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13494 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Dry, +- open conifer forest with sandy soil on ridgetop. Dom. by Pinus jeffreyi, Abies concolor. Perennial, bunching. Comment
  SEINET203888 Image available Achnatherum lemmonii F. J. Hermann 1955-7-27 11948 Plumas Beckwour schoolyard. Comment
  UC1024643  Achnatherum lemmonii Leo Whitney 1934-8-13 2216 Plumas 3 mi e Cate Place (10 mi nw of Portola); Plumas National Forest, Big Grizzley Valley 1828 Comment
  UC1133120  Achnatherum lemmonii E. Sawyer 1935-6-1 53 Plumas 1 3/4 mi ne Hawks; Sierraville Quadrangle Comment
  CAS-BOT-BC216879  Achnatherum occidentale John Thomas Howell 1955-7-19 30770 Plumas Beckwourth 1493 Comment
  UCD50896  Achnatherum occidentale Leo Whitney 1934-8-11 2189 Plumas Big Grizzley Valley, Plumas National Forest. 10 miles northwest of Portola. 1828 Comment
  CHSC52758  Achnatherum occidentale subsp. californicum L. P. Janeway 1990-8-2 3821 Plumas Plumas National Forest. Along Joseph Cr 1/2 mi NE of the crest of Grizzly Ridge. 2057 Comment
  CHSC97287  Achnatherum occidentale subsp. californicum Lowell Ahart; John Dittes 2007-8-9 14449 Plumas About 100 yards east of the poor dirt road, about 1/2 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis. 2493 Comment
  JEPS102742  Achnatherum occidentale subsp. californicum Lowell Ahart 2001-7-11 8896 Plumas Large outcrop SW of Homer Lake, west of the trail to Homer Lake, about 5 1/2 miles (air) north of Greenville. 2042 Comment
  UC1133186  Achnatherum occidentale subsp. occidentale E. Sawyer 1935-6-18 127 Plumas 1 3/4 mi se Crow; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC210926  Achnatherum occidentale subsp. pubescens John Thomas Howell 1967-6-23 42721 Plumas Canyon of the East Branch of Feather River 2 miles east of Twain Comment
  CHSC52439  Acmispon grandiflorus var. macranthus L. P. Janeway 1987-6-20 2280 Plumas Ravine on N side of S Br Middle Fk Feather River, below Whiskey Hill. 1158 Comment
  CHSC112521  Acmispon nevadensis var. nevadensis L. P. Janeway 2014-7-15 11529 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; just northwest of Long Valley Creek along Road 24N97, along the southwest edge of Happy Valley. 1734 Comment
  CDA13423  Aconitum columbianum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13271 Plumas Sierra Nevada; Bull Run Creek off USFS 23N12E. Comment
  UCD95334  Aconitum columbianum Flora C. Hayes 1932-7-25 s.n. Plumas Lake Center. 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
  CAS-BOT-BC391472  Aconitum columbianum subsp. columbianum John Thomas Howell 1926-7-31 2175 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC391485  Aconitum columbianum subsp. columbianum Ira L. Wiggins 1948-9-15 12055 Plumas On ridge between canyons of Onion Creek and the Middle Fork of the Feather River Comment
  CAS-BOT-BC413838  Aconogonon davisiae G. Schoolcraft 1989-7-3 1940 Plumas Diamond Mtns. north of Red Rock Lookout Comment
  CHSC70272  Aconogonon phytolaccifolium B. Castro; R. Zebell 1989-8-3 338 Plumas Ca 2.5 air mi S of Bucks Lake, in tributary to main stream which flows southward through center of section. In wet sand at edge of stream. 1828 Comment
  UCD19144  Aconogonon phytolaccifolium W. B. McHenry 1989-10-1 s.n. Plumas Bucks Lake. Comment
  CHSC43726  Actaea rubra Vernon Oswald 1986-7-2 2181 Plumas Pacific Crest Trail, ca. 0.3 mi e of Humboldt Summit. 1999 Comment
  CAS-BOT-BC29839  Adenocaulon bicolor John Thomas Howell 1926-7-27 2149 Plumas Near Prattville 1463 Comment
  CHSC84401  Adenocaulon bicolor Lowell Ahart 2003-8-5 10470 Plumas On the east side of Hopkins Creek, on the west side of the road, about 1/8 mile south of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain. 1524 Comment
  UC811186  Adiantum X tracyi Mrs. E. C. Sutliffe 1919-6-21 Plumas near Gold Lake Comment
  JEPS87886  Adiantum aleuticum Lowell Ahart 1994-7-28 7532 Plumas sw Bucks Lake (ne of Frenchman Hill); sw of Bucks Lake, ne of Frenchman Hill 1706 Comment
  CAS-BOT-BC62300  Adiantum aleuticum Margaret Williams 1967-8-20 s.n. Plumas Rene's Falls on Jamison Creek, above Johnsville 1828 Comment
  SD8935  Ageratina occidentalis R. M. Austin 1879-1 Plumas Big Meadows. Comment
  CHSC112557  Agoseris glauca var. laciniata B. Castro; L. P. Janeway 2007-6-7 1640 Plumas Northern High Sierra Nevada. NW side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. W side of Thompson Creek, downstream of small rock dam, ca 150 ft below 'finger' of very open Ponderosa-Jeffrey pine forest. 1676 Comment
  CAS-BOT-BC22914  Agoseris heterophylla John Thomas Howell 1963-6-4 39409 Plumas Marble Hot Springs, Sierra Valley 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
  CAS-BOT-BC22918  Agoseris heterophylla L. S. Smith 1925-4-30 1576 Plumas Bloomfield Road below forks sec 9 762 Comment
  CAS-BOT-BC13435  Agoseris retrorsa Dennis Breedlove 1962-6-12 4367 Plumas Jackson Creek, in upper drainage of Middle Fork of Feather River, 1 mile southeast Cromberg 1341 Comment
  CAS-BOT-BC13441  Agoseris retrorsa Walter Knight; Irja Knight 1967-5-22 1816 Plumas Butterfly Canyon 990 Comment
  CAS-BOT-BC494113  Agrostis capillaris W. Harnach; N. Harnach 2000-8-2 971 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
  CAS-BOT-BC127092  Agrostis exarata John Thomas Howell 1976-7-15 51844 Plumas Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy. 1219 Comment
  CAS-BOT-BC127105  Agrostis exarata John Thomas Howell 1926-7-30 2152 Plumas Prattville. 1463 Comment
  RSA201346  Agrostis exarata J. T. Howell 1960-7-22 35883 Plumas Drakesbad. Devils kitchen 1677 Comment
  CAS-BOT-BC127090  Agrostis exarata John Thomas Howell 1959-9-22 34845 Plumas Drakesbad. 1737 Comment
  CAS-BOT-BC139602  Agrostis gigantea John Thomas Howell 1976-7-16 31906 Plumas Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CAS-BOT-BC139613  Agrostis gigantea John Thomas Howell 1926-7-26 2135 Plumas Near Prattville. 1371 Comment
  CAS-BOT-BC139614  Agrostis gigantea John Thomas Howell 1959-9-22 34854 Plumas Drakesbad. 1737 Comment
  CAS-BOT-BC138996  Agrostis pallens Anna Head 1921-7-18 s.n. Plumas Feather River Region. Meadow Lake, Center Camp. Comment
  CDA13753  Agrostis pallens G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13485 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Few in +- shaded, wet area immediately below headwater spring. Perennial. Comment
  JEPS76245  Agrostis pallens W. L. Jepson 1939-8-16 19450 Plumas Bucks Valley 1584 Comment
  CDA12141  Agrostis variabilis G. F. Hrusa, J. Dinsdale 1989-6-25 7189 Plumas Sierra Nevada; Bucks lake north shore. Comment
  CHSC94992  Aira caryophyllea Lowell Ahart 2006-10-23 13494 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
  CAS-BOT-BC267058  Alisma John Thomas Howell 1961-9-25 36941 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC267057  Alisma John Thomas Howell 1959-9-26 35061 Plumas Near Virgilia 838 Comment
  CHSC43780  Alisma triviale Vernon Oswald 1984-8-14 1646 Plumas Hwy 89 at the s edge of Crescent Mills. 1071 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
  SEINET3883801  Allium anceps Stanley L. Welsh, N. Duane Atwood 2001-6-13 28129 Plumas Red Clover Valley, ca 12 miles north of Beckwourth.; 0 1679 Comment
  JEPS47589  Allium bisceptrum var. bisceptrum John W. Duffield 1937-6-9 Plumas road to Quincy 1097 Comment
  CDA15892  Allium campanulatum G. F. Hrusa, B. Smith 1996-7-16 13227 a Plumas Plumas National Forest; Headwaters of Bull Run Creek off USFS 23N12E. Comment
  JEPS115801  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
  UC2029005  Allium campanulatum Barbara Ertter with Gary Schoolcraft 1990-5-14 8969 Plumas East side of mountain above Crescent Mills, E of Round Valley Reservoir. Comment
  CAS-BOT-BC466473  Allium campanulatum W. W. Wagner 1919-6-7 278 Plumas Open hillside Sockem Cr. near Quincy 1371 Comment
  CAS-BOT-BC466474  Allium campanulatum Lewis S. Rose 1963-6-3 63071 Plumas Butterfly Valley 2 mi. sw of Keddie 975 Comment
  CAS-BOT-BC466617  Allium campanulatum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2432 Plumas Vicinity of mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC466618  Allium campanulatum John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-7-10 2101 Plumas Between Butterfly Valley and Darlingtonia bog 1066 Comment
  SD46738  Allium campanulatum Robert J. Weatherby 1955-7-2 1569 Plumas In volcanic gravel on dry exposed ridge, Bear Ridge near Taylor Lake. 2194 Comment
  UCD141845  Allium campanulatum L. K. Mann; M. D. Mann, Madison 1962-6-12 s.n. Plumas along Highway 89, 0.5 mile past Canyon Dam toward Greenville. Comment
  CAS-BOT-BC472963  Allium lemmonii Philip A. Munz 1947-5-17 11846 Plumas 20 miles north of Chilcoot 1828 Comment
  CAS-BOT-BC472964  Allium lemmonii Philip A. Munz 1947-5-17 11846 Plumas 20 miles north of Chilcoot 1828 Comment
  SEINET12048438  Allium obtusum L. Ahart, Ahart, P. 1983-1 4328 Plumas Near Onion Valley, W of Pilot Peak, near Quincey-La Porte Rd., NE of La Porte, Red Fir Forest 2000 Comment
  CHSC101771  Allium peninsulare var. peninsulare Lowell Ahart 2009-4-22 15596 Plumas On the west side of Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Milie House Road, about 10 miles northeast of Chico. 381 Comment
Read comments
Oct 5 2019
  JEPS29777  Allium platycaule Lauramay T. Dempster 1961-6-16 1466 Plumas n. Engelmine (ridge n. of Red Rock) Comment
  SD133925  Allium platycaule Barbara Ertter, Gary Schoolcraft 1989-7-3 8654 Plumas North side of Red Rock, ca. 8 airmiles south of Susanville, bare gravelly volcanic knoll. 2286 Comment
  SEINET8191559  Allium platycaule A. A. Heller, P. B. Kennedy 1907-7-4 8723 Plumas Ridge east of Red Clover Valley. Comment
  NY380655  Allocarya ambigens A. A. Heller 1907-7-2 8682 Plumas Between Vinton and Beckwith Comment
  CHSC60123  Allophyllum integrifolium L. P. Janeway 1992-6-9 4228 Plumas Plumas National Forest. Northeast side of Grizzly Ridge between Joseph Creek and Cascade Creek; ca .8 mi southwest of Little Grizzly Creek. On low ridge top. 1897 Comment
  RSA164300  Allophyllum violaceum Clare B. Hardham 1961-6-17 7511 Plumas Baxter Creek, south of Susanville. Smells 1677 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
  JEPS108989  Alnus rhombifolia Lowell Ahart 2006-10-8 13407 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
  CHSC36931  Amaranthus albus M. S. Taylor 1982-9-7 5098 Plumas Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  RSA128962  Amaranthus albus J. T. Howell 1951-8-20 s.n. Plumas Near Taylorsville Comment
  JEPS108986  Ambrosia psilostachya Lowell Ahart 2006-10-8 13389 Plumas On the 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 622 Comment
  CDA14675  Amelanchier alnifolia var. semiintegrifolia G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3118 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  NY380646  Amsinckia helleri A. A. Heller 1907-7-15 8850 Plumas Near mouth of Little Grizzly Creek below Genessee Comment
  CHSC40251  Amsinckia menziesii K. R. Stern 1985-6-25 8258 Plumas Vic, Blairsden. 1371 Comment
  RSA0089963  Amsinckia retrorsa A. A. Heller, P. B. Kennedy 1907-7-15 8850 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  CHSC117652  Anaphalis margaritacea Lowell Ahart 2016-8-30 21322 Plumas On the east side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CDA13570  Angelica breweri G. F. Hrusa, T. D. Wilfred 1996-7-23 13400 Plumas Sierra Nevada; Plumas Natl. Forest. immediately above bed of Little Long Valley Creek, approx. 1/2 m. N. of Hwy 70 about 15 mi. E of Quincy. Sheet 1 of 2 Comment
  CDA38190  Angelica breweri T. C. Fuller 1958-7-7 1915 Plumas 3 miles west of Virgilia. 0 Comment
  JEPS125923  Antennaria argentea D. W. Taylor 2001-6-20 17798 Plumas Ridge dividing Middle Creek from Indian Creek, about 2.5 air miles SSW of Antelope Lake dam. Comment
  CAS-BOT-BC59319  Antennaria argentea Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1918 Plumas Between valley proper and Darlingtonia Bog Comment
  SJSU6948  Antennaria argentea C. W. Sharsmith 1975-6-17 8223 Plumas near Gray Eagle Creek 1371 Comment
  CAS-BOT-BC58704  Antennaria geyeri Clare B. Hardham 1978-8-11 21808 Plumas About 7 miles SE of Antelope Reservoir Comment
  CHSC57118  Antennaria geyeri L. P. Janeway 1991-8-4 4131 Plumas Plumas National Forest. Saddle just east of Squaw Valley Peak along the Beckwourth-to-Laufman Road. 1905 Comment
  CAS-BOT-BC58708  Antennaria geyeri L. P. Janeway 1991-8-4 4131 Plumas Saddle just E of Squaw Valley Peak along the Beckwourth-to-Laufman Road 1905 Comment
  UCD128924  Antennaria geyeri G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3333 Plumas 2.5 miles southeast of Mt. Hough Summit, 0.4 mile nothwest of China Grade Road (to Taylorsville.) 1584 Comment
  CAS-BOT-BC79929  Antennaria microphylla A. A. Heller; P. B. Kennedy 1907-7-3 8699 Plumas Hills above Red Clover valley Comment
  SEINET6755397 Image available Antennaria rosea A. A. Heller, P. B. Kennedy 1907-7-3 8699 Plumas Hills above Red Clover Valley Comment
  JEPS26684  Antirrhinum vexillocalyculatum subsp. intermedium P. C. Hutchison 1961-6-9 2117 Plumas 2 mi s (below) Rich Bar (canyon of the North Fork of the Feather River along U.S. Hwy 40 Alt, above road at bridge) Comment
  RSA71312  Antirrhinum vexillocalyculatum subsp. intermedium L. S. Rose 1951-6-29 51057 Plumas Feather River Canyon near Grays Flat. 823 Comment
  CAS-BOT-BC457542  Aphanes occidentalis J. T. Howell; Walter Knight; Irja Knight; G. H. True 1967-5-7 2228 D. Plumas Butterfly Botanical Area and Vicinity; open flat near Pond Reservoir. 1097 Comment
  CHSC87618  Aphyllon epigalium subsp. epigalium Lowell Ahart; Josephine Guardino 2004-5-24 10948 Plumas About 100 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1186 Comment
  CHSC34073  Aphyllon fasciculatum M. S. Taylor 1981-6-3 3851 Plumas In Red Clover Valley, ca. 0.5 mi n of Genesee-Beckwourth Rd, ca. 7 mi nw of Beckwourth. 1670 Comment
  JEPS115096  Apocynum androsaemifolium Lowell Ahart, John Dittes 2009-7-14 16074 Plumas Along Forest Service Road 26N22, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam 1536 Comment
  UC1123459  Apocynum androsaemifolium C. W. Hanks 1934-8-8 19 Plumas n.e. Sierra Valley Plumas Nat'l Forest, Sierraville Quad., Sierra Valley Comment
  UCD169255  Apocynum androsaemifolium S. L. Welsh; N. D. Atwood 2001-6-14 28138 Plumas Roadcut, ca. 4 miles north of Beckwourth. 1481 Comment
  JEPS46321  Apocynum androsaemifolium W. L. Jepson 1939-8-7 19347 Plumas near University Camp (Meadow Valley); Meadow Valley 1158 Comment
  SEINET5743413 Image available Apocynum androsaemifolium Lowell Ahart, Peter Ahart 1985-1 5096 Plumas About 100 yards east of McCarthy Creek and along the road, about 1 mile north of the road to Claghorn Bar, about 7 miles NW of Pilot Park.; Pilot Park 1829 Comment
  SEINET7923486  Apocynum androsaemifolium A. A. Heller, B. B. Kennedy 1907-7-8 8766 Plumas Near Greenville Comment
  POM181052  Apocynum androsaemifolium subsp. pumilum A. A. Heller, B. B. Kennedy 1907-7-8 s.n. Plumas Near Greenville Comment
  RSA59487  Apocynum androsaemifolium subsp. pumilum E. K. Balls 1950-9-15 15892 Plumas S tip Lake Almanor by P.G.E. dam, Hwy 89. 1372 Comment
  RSA71310  Apocynum androsaemifolium subsp. pumilum L. S. Rose 1951-6-29 s.n. Plumas 8 mi. east of Quincy 1220 Comment
  CHSC11354  Aquilegia formosa Lowell Ahart 1968-6-29 Plumas Six miles N.E. of La Porte. 1371 Comment
  RSA122699  Aquilegia formosa var. truncata E. Sawyer 1935-6-24 139 Plumas 4.5 miles E of Crow, Sierraville. Comment
  SEINET10874431  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4471 Plumas T26N R9E nw/ne sec 7. Almanor NE quad. On serpentine, both sides of spur rd off 26N18, ca. 0.5 mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5500 ft. 1676 Comment
  CDA18766  Arabis holboellii var. retrofracta G. D. Barbe, T. C Fuller 1982-7-16 3750 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  RSA74141  Arabis holboellii var. retrofracta Milo S. Baker 1952-5-24 12449 Plumas Hwy 89 at head of Pine Valley. 915 Comment
  NY172665  Arabis suffrutescens var. perstylosa L. Constance 1938-6-9 2309 Plumas Above the Middle Fork of the Feather River, 7.3 miles southweast of Quincy 1219.2 Comment
  SEINET2471227  Arceuthobium abietinum R. L. Mathiasen 2007-8-8 2007 -32 Plumas Ca. 4.8 km W. of Meadow Valley on high road to Bucks Lake 1470 Comment
  CHSC101920  Arceuthobium californicum Lowell Ahart; John Dittes 2009-7-14 16070 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
  SEINET2140125  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-1 2007 -62 Plumas S. end of Long Lake. 2020 Comment
  SEINET2471364  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-9-22 2007 -61 Plumas S. end of Long Lake 2020 Comment
  SD149167  Arctostaphylos John Thomas Howell, T. C. Fuller, and G. D. Barbe 1981-6-24 54265 Plumas Rocky summit ridge, Mt. Hough. 2210 Comment
  CAS-BOT-BC38477  Arctostaphylos mewukka subsp. truei Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1968-6-11 2404 Plumas Butterfly Botanical Area. Along road west of reservoir. Comment
  CAS-BOT-BC38482  Arctostaphylos mewukka subsp. truei John Thomas Howell 1976-4-2 51571 Plumas Injun Jim Campground, North Fork Feather River 609 Comment
  CAS-BOT-BC38622  Arctostaphylos mewukka subsp. truei J. D. Jokerst 1985-7-23 2540 Plumas Arid slopes adjacent to old abandoned county road ca 400 feet above (elevation) Highway 70 807 Comment
  CHSC35917  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
  CAS-BOT-BC40009  Arctostaphylos nevadensis Anna Head 1921-6-25 s.n. Plumas Feather River region, Lake Center camp. Comment
  CHSC110262  Arctostaphylos nevadensis L. P. Janeway 2012-6-2 10853 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1833 Comment
  JEPS113387  Arctostaphylos nevadensis Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14016 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
  CAS-BOT-BC42109  Arctostaphylos patula John Thomas Howell 1975-7-22 51357 Plumas In the Transition Life Zone, 2 miles northwest of Spring Garden 1173 Comment
  SEINET7262939  Arctostaphylos patula W. Harnach, N. Harnach 1990-4-13 255 Plumas Sierra Valley, 0.5 miles N of the Sierra/Plumas Co. line on Co. Rd. A-23, Barry Hill (McElroy on maps) 1615 Comment
  CAS-BOT-BC42089  Arctostaphylos patula John Thomas Howell 1976-4-2 51580 Plumas Near Spring Garden 1219 Comment
  SEINET11989151  Arctostaphylos patula B. A. Stein 1981-1 544 Plumas Frazier Falls area 1920 Comment
  UCD51941  Arctostaphylos truei John Thomas Howell 1976-4-2 51570 Plumas Injun Jim Campground, North Fork Feather River, Plumas County. 609 Comment
  CAS-BOT-BC47027  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1967-5-7 67067 Plumas 3 mi. w. of Keddie. Butterfly Valley. 944 Comment
  POM77151  Arctostaphylos viscida subsp. viscida Mary E. P. Ames 1891-02 s.n. Plumas Taylorsville, Indian Valley. Comment
  UC1121426  Arctostaphylos viscida subsp. viscida E. Nourse 1934-7-31 3 Plumas 2 mi sw Smith Lake (Plot 4); Plumas National Forest, Bidwell Bar Quadrangle 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
  CHSC66609  Arnica chamissonis Vernon H. Oswald; Lowell Ahart 1996-7-15 8033 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  CAS-BOT-BC82120  Arnica chamissonis H. N. Bolander 1867-1 s.n. Plumas Sierra Valley Comment
  POM29780  Arnica chamissonis subsp. foliosa Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  UC337199  Arnica cordifolia unknown 1889-5-28 Plumas Mohawk Valley Comment
  CAS-BOT-BC82359  Arnica cordifolia Clare B. Hardham 1961-6-15 7408 Plumas 3.3 miles southeast of Quincy 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
  UC1070451  Arnica dealbata A. Lewis 1934-7-25 520 Plumas La Porte Plumas National Forest, Downieville Quad. 1524 Comment
  UCD129195  Arnica dealbata W. R. Powell 1968-7-2 1589 Plumas 1.25 miles northeast of La Porte. 1700 Comment
  CAS-BOT-BC82505  Arnica discoidea Thomas H. Harris 1969-7-6 s.n. Plumas E side of Lake Almanor along [Haun's] Hauns Meadow Road, ca. 1 mile e. of lake, on ridge divide Comment
  RSA59181  Arnica mollis E. K. Balls 1950-9-1 15607 Plumas East of Long Lake at base of cliffs at top of meadow leading down to two smaller lakes 2134 Comment
  UC1586467  Arnica parryi Vernon H. Oswald and Lowell Ahart 1991-7-30 4784 Plumas 5.2 mi ne of, Humbug Rd at Grizzly Creek Humbug Summit; Grizzly Creek 1777 Comment
  CAS-BOT-BC146267  Arrhenatherum elatius var. elatius John Thomas Howell 1975-7-22 51346 Plumas Sierra Nevada. Quincy Junction Road near Quincy. 1036 Comment
  CAS-BOT-BC90123  Artemisia biennis M. S. Taylor 1982-8-27 5071 Plumas Ramelli Ranch, where Feather River [corsses] crosses RR tracks, ca. 1.5 mi sw of Beckwourth. Portola quad. 1487 Comment
  JEPS98950  Artemisia douglasiana Lowell Ahart 2001-10-8 9327 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
  CHSC97587  Artemisia ludoviciana subsp. incompta Lowell Ahart; John Dittes 2007-6-17 14205 Plumas Gravel bar along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CHSC81603  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart 2001-10-8 9315 Plumas On the south side of Boulder Creek, below or near the high water line of Antelope Lake, about 24 miles (air) northeast of Quincy. 1524 Comment
  CHSC81604  Artemisia tridentata subsp. tridentata Lowell Ahart 2001-10-8 9317 Plumas On the north side of Indian Creek, below or near the high water line of Antelope Lake, about 24 miles (air) northeast of Quincy. 1524 Comment
  UC1563274  Artemisia tridentata subsp. vaseyana unknown 1990-9-19 6596 Plumas 1/2 mi s Cleghorn Bar Road (3 mi nw of Pilot Peak, north side of creek); Bird Creek 1737 Comment
Read comments
Feb 10 2013
  CAS-BOT-BC400769  Asarum lemmonii Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1619 Plumas Butterfly Botanical Area and Vicinity. At Fern Glen Comment
  UCD40295  Asclepias cordifolia Rodney Gale Myatt 1971-6-13 743 Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  RSA401667B  Asclepias cordifolia Miss Hutchinson 1910-1 s.n. Plumas Lake Tahoe. Comment
  UC311359  Asclepias eriocarpa Mary E. Pulsifer July 1890 Plumas Auburn Ravine Indian Valley, Taylorville Comment
  SD46629  Asclepias fascicularis Robert J. Weatherby 1955-8-4 1668 Plumas Feather River, Middle Fork, No Ear Bar 915 Comment
  UCSB46167  Aspidotis californica Reisentz, Paul 1979-5-13 Plumas Near Chambers Creek, 6 mi S of Beldon on Hwy 70 Comment
  CHSC52717  Aspidotis densa L. P. Janeway 1990-7-17 3800 Plumas Plumas National Forest. Ca 0.1 mi NW of Emigrant Cr and ca 0.6 mi SW of Little Grizzly Cr. 1828 Comment
  CAS-BOT-BC97474  Aster David D. Keck 1938-8-9 4903 Plumas Beckwith (Beckwourth), Sierra Valley, 0.5 mi. E. of town 1500 Comment
  CAS-BOT-BC97478  Aster Clare B. Hardham 1978-8-11 s.n. Plumas about 5 miles southeast of Thompson Peak Comment
  CAS-BOT-BC97463  Aster W. Harnach; N. Harnach 1990-6-13 368 Plumas Sierra Valley, Ramelli Ranch (USFS) 1487 Comment
  RSA31214  Aster breweri Joseph A. Ewan 1934-7-16 8515 Plumas South shore of Long Lake, Mt. Elwell Region 2073 Comment
  UCR58341  Aster campestris R. D. Goeden, Don W. Ricker 1989-8-22 890822- 3 Plumas Northern Sierra Nevada Mtns., Plumas National Forest, east side of Frenchman Lake 1725 Comment
  RSA715687  Aster integrifolius L. Ahart, Josephine Guardino 2005-8-9 12257 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
  SEINET10839230  Aster integrifolius Mary Susan Taylor 1982-9-8 Taylor 5119 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CHSC60536  Astragalus lentiginosus var. floribundus L. P. Janeway; Jannice Cutler 1992-5-28 4207 Plumas Plumas National Forest. Southwest side of Dotta Canyon 1.1 mi southeast of Beckwourth-Genesee Road. 1685 Comment
  CAS-BOT-BC192851  Astragalus pulsiferae Philip A. Munz 1947-5-16 11817 Plumas 5 miles N. of Chilcoot 1524 Comment
  RSA795985  Astragalus pulsiferae James R. Shevock 1985-5-19 11161 Plumas Plumas National Forest, 5.1 miles north of Chilcoot on road to Frenchman Reservoir. 1700 Comment
  UC1094005  Astragalus pulsiferae var. pulsiferae Lewis S. Rose 1955-7-19 55152 Plumas Beckworth Pass Beckworth Pass (sagebrush covered slopes) 1493 Comment
  UC725554  Astragalus purshii var. purshii A. A. Heller 1942-5-8 16461 Plumas e Beckwourth (rocky hillside); e of Beckwourth 1524 Comment
  CAS-BOT-BC200861  Astragalus webberi R. C. Barneby; J. T. Howell 1954-5-14 11478 Plumas 1 1/2 miles s. of Crescent Mills 1082 Comment
  UC334806  Astragalus webberi unknown April 1879 Plumas Indian and Sierra Valleys Comment
  RSA101472  Astragalus whitneyi var. confusus R. Weatherby 1955-7-2 1567 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  RSA52897  Athyrium americanum R. Weatherby 1950-8-11 1518 Plumas Upper end of Long Lake 2134 Comment
  SEINET9630131 Image available Athyrium filix-femina R. V. Chamberlain 1935-8-9 n.s. Plumas Lassen National Park, Calif. Comment
  RSA716796  Athyrium filix-femina subsp. cyclosorum L. Ahart, John Dittes 2005-9-20 12441 Plumas East of the end of Forest Road, northeast of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2062 Comment
  SEINET10899693  Athyrium filix-femina var. californicum Mary Susan Taylor 1981-8-19 Taylor 4222 Plumas California: T23N R11E nw1/4 of se 1/4 sec 18. Blue Nose Mt quad. S side of 23N10, 0.3 mi E of Peoria Creek, ca. 2.5 mi W of Sloat. Plumas County. 4400 ft. 1341 Comment
  CHSC80790  Athyrium filix-femina var. cyclosorum Lowell Ahart 2001-7-19 8935 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
  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
  CAS-BOT-BC66090  Athyrium filix-femina var. cyclosorum John Thomas Howell 1960-7-21 35796 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC100039  Balsamorhiza deltoidea John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2367 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek Comment
  RSA121104  Balsamorhiza hookeri E. Sawyer 1935-5-21 3 Plumas 3/4 mile WSW of Beckwith. 1494 Comment
  UC726077  Balsamorhiza sagittata A. A. Heller 1940-5-22 15670 Plumas n of, 2 mi from the junction with State Highway 36, along State Hwy 89 Almanor Comment
  CAS-BOT-BC16567  Barbarea orthoceras M. S. Taylor 1981-5-19 3675 Plumas East side of Antelope Lake. Pioneer Cabin Meadow, ca. 20 air miles northeast of Taylorsville. 1536 Comment
  CHSC102703  Barbarea orthoceras Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16158 Plumas Bottom of a small wash, 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
  CHSC21521  Barbarea orthoceras D. Brink; L. Mayer 1975-7-10 Plumas Buck's Lake. Comment
  CHSC36872  Bidens cernua M. S. Taylor 1982-8-27 5066 Plumas Ramelli Ranch, where Feather River crosses RR tracks, ca. 1.5 mi SW of Beckwourth. 1487 Comment
  SEINET10473665  Bidens frondosa Mary Susan Taylor 1981-9-3 Taylor 4268 Plumas California: T26N R9E nw1/4 of sw1/4 sec 15. Greenville SW quad. N tip of Round Valley Reservoir by road 204, ca. 3 air mi S of Greenville. Plumas County. 4500 ft. 1372 Comment
  SD124888  Bidens frondosa R. D. Goeden 1986-9-10 Plumas Northeast shore of Round Valley Reservoir, 3 miles south of Greenville, Plumas National Forest. 1370 Comment
  CHSC78690  Bistorta bistortoides L. P. Janeway 2000-7-16 6907 Plumas Northern High Sierra Nevada. Large meadow at Greens Flat; at head of Catrell Creek; about 3.7 km northwest of Middle Fork Feather River. 1722 Comment
  CAS-BOT-BC413054  Bistorta bistortoides Michael A. Vincent 1999-6-9 8545 Plumas Red Clover Valley, along FS Rt. 70, 0.5 mile north of FS 177/CA 111 Comment
  JEPS104109  Blepharipappus scaber Lowell Ahart 2003-8-8 10484 Plumas On an old abandoned road, on the e side of Beckwourth Calpine Rd, ca 3 mi south of Beckwourth, Sierra Valley. 1482 Comment
  UC1731768  Boechera Dean Wm. Taylor with Glenn Clifton 1990-6-25 11175 Plumas n slope of Mt. Thompson (Diamond Mountains, Northern Sierra Nevada); Northern Sierra Nevada, Diamond Mts., Mt. Thompson 2301 Comment
Read comments
Apr 20 2012
  SFV10382  Boechera arcuata M. L. Vincent 1964-4-8 517 Plumas Sierra Nevada Near North Fork Bridge 9-02. 580 Comment
  CHSC72306  Boechera pinetorum L. P. Janeway; Glenn Clifton 1998-7-9 5734 Plumas Thompson Peak, just east of the fire lookout tower and near the top. 2331 Comment
  CHSC97519  Boechera pinetorum Lowell Ahart; John Dittes 2007-6-17 14173 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
  SFV10380  Boechera pinetorum M. L. Vincent 1968-6-10 858 Plumas Sierra Nevada 1.5 miles south of Rock Creek Dam on North Fork Feather River. 685 Comment
  CAS-BOT-BC14259  Boechera pinetorum Lowell Ahart 1989-7-7 6371 Plumas About 12 miles northeast of La Porte. About 0.5 mile north of the Bunker Hill Mine. On the east side of Bunker Hill Crk. 1828 Comment
  CAS-BOT-BC14535  Boechera puberula Alice Eastwood 1918-5-25 7025 Plumas Portola. Comment
  CAS-BOT-BC14663  Boechera rectissima A. A. Heller; P. B. Kennedy 1907-7-11 8809 Plumas Prattville. Comment
  CAS-BOT-BC14661  Boechera rectissima Lowell Ahart 1986-7-25 5370 A Plumas Sierra Nevada. Cleghorn Bar Road about 4 miles northwest of Pilot Peak. 1828 Comment
  CHSC67643  Boechera retrofracta J. D. Jokerst 1984-5-13 2006 Plumas East end of Genesee Valley, between Indian Creek and the Indian Cr Rd. 1249 Comment
  CAS-BOT-BC25409  Boechera retrofracta John Thomas Howell; Gordon H. True 1967-7-9 43249 Plumas Sierra Nevada. North Fork of the Feather River at Caribou. 914 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
  RSA59471  Boisduvalia densiflora var. densiflora E. K. Balls 1950-9-16 15880 Plumas Near fish hatchery, just north of Plumas-Sierra Co. line, Hwy 89. 1433 Comment
  UCD136804  Botrychium multifidum Dennis Wm. Stevenson 1974-10-1 379 Plumas Between trail and Jamison Creek, 0.5 mile below (north of) Grass Lake (above Jamison Mine). 1767 Comment
  UCD136823  Botrychium multifidum Dennis Wm. Stevenson 1974-10-1 377 Plumas Between trail and Jamison Creek, 0.5 mile below (north of) Grass Lake (above Jamison Mine). 1767 Comment
  CHSC82540  Botrychium simplex Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9834 Plumas On the extreme northwest side of a meadow, about 40 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1723 Comment
  JEPS99051  Botrychium simplex var. compositum Lowell Ahart 2002-7-18 9873 Plumas 3/4 air mi NE of Little Grass Valley Reservoir dam (4 air mi NW of La Porte); Lumpkin Ridge Road 1635 Comment
  UC477511  Boykinia occidentalis L. S. Smith July, 1930 2518 Plumas Milk Camp-White Rock; Tahoe Nat. Forest, Milk Camp-White Rock 762 Comment
  HSC72999  Brickellia californica M. S. Taylor 1981-9-14 4278 Plumas W side of Hwy. 89, ca. 1 air mile N of Hwy. 70, ca. 10 air miles W of Quincy 915 Comment
  SEINET10533768  Brodiaea coronaria Cantelow 1949-6-11 CANTELOW s.n. 1949 Plumas Feather River Canyon, Calif. Comment
  SEINET3921868  Bromus carinatus Lewis S. Rose 1951-6-27 51021 Plumas Johnsville, CA.; 0 1600 Comment
  SJSU11268  Bromus carinatus S. H. Casey 1980-6-18 Plumas Chandler Road, Quincy Comment
  CAS-BOT-BC148750  Bromus carinatus var. marginatus A. A. Beetle 1941-6-28 2774 Plumas West side of Lake Amanor. 1828 Comment
  SBBG115955  Bromus carinatus var. marginatus J. T. Howell, G. H. True 1973-7-31 50104 Plumas Thompson Pk, Diamond Range 2194 Comment
  SEINET10966908  Bromus catharticus Mary Susan Taylor 1981-7-6 Taylor 3966 Plumas T24N R16E NW/SE Sec 7. Frenchman Lake quad. Roadside and meadow along Grigsby Creek, ca. 1 mile W of N tip of the lake, ca. 13 air miles NW of Chilcoot. 1798 Comment
  CAS-BOT-BC155969  Bromus commutatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54349 Plumas Sierra Nevada. 4.8 miles northwest of Antelope Reservoir. 1661 Comment
  CAS-BOT-BC155312  Bromus inermis John Thomas Howell; Gordon H. True 1967-7-11 43379 Plumas Sierra Nevada. Meadow at Quincy. 1036 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
  UCD59261  Bromus orcuttianus John Thomas Howell 1926-7-20 2088 Plumas Near Prattville. 1463 Comment
  CHSC102382  Bromus suksdorfii Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16130 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
  JEPS106344  Bromus suksdorfii Lowell Ahart 2004-7-27 11320 Plumas On the west side of the dirt road (Forest Road 10), near the Pacific Crest Trail, on Bunker Hill Ridge, about 1 1/8 miles (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte 2099 Comment
  CAS-BOT-BC161352  Bromus tectorum John Thomas Howell 1955-7-19 30755 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  CAS-BOT-BC161412  Bromus tectorum John Thomas Howell 1960-7-20 35766 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  JEPS116062  Bromus tectorum Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15866 Plumas About 1/3 miles (air) west of Lake Almanor Dam, near cut bank of Forest Road 27N01Y, along the north road edge 1462 Comment
  UC1131277  Bromus tectorum E. Sawyer 1935-5-21 4 Plumas 3/4 mi wsw of Beckwith 1493 Comment
  SEINET260545 Image available Bromus vulgaris Michael Cutler, Janice Cutler 1992-6-11 Plumas Ca 0.5 mi S of Quincy; Boyle Ravine; Qunicy 1950 Quad 589-2C. 1100 Comment
  CHSC44554  Calamagrostis canadensis Lowell Ahart 1980-10-6 2662 Plumas Along the higher shore around the lake, about 1/2 mile west of Fowler Peak, about 2 miles north of Little Grass Valley Reservoir. 1584 Comment
  CHSC46625  Calamagrostis canadensis V. Oswald; L. Ahart, L. Hanson 1989-7-31 3905 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 air mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. Bog. 1670 Comment
  CHSC112575  Calandrinia ciliata B. Castro; L. P. Janeway 2007-6-7 1629 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. Just W of channel of Thompson Creek, downstream of small rock dam, ca 300 ft below edge of open Ponderosa-Jeffrey pine forest. 1670 Comment
  CHSC48005  Callitriche verna Vernon Oswald 1988-7-19 3603 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the s side of the lake. 1676 Comment
  RSA718220  Calocedrus decurrens L. Ahart 2006-9-28 13387 Plumas West side of the North Fork of the Feather River, on the east side of Highway 70, at Indian Jim Campground, about 3/4 mile southwest of Chambers Creek 647 Comment
  SEINET5334888  Calocedrus decurrens R. J. Holl 1949-5-28 s.n. Plumas 3 miles north of Quincy 1067 Comment
  CAS-BOT-BC487773  Calochortus coeruleus Clarence R. Quick 1952-6-29 52 -72 Plumas Summit of road between Belden and Humbug Valley, Sierra Nevada 1486 Comment
  CDA19250  Calochortus leichtlinii G. D. Barbe, T. C. Fuller 1982-6-17 3811 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC60162  Calochortus leichtlinii L. P. Janeway 1992-7-10 4259 Plumas Plumas National Forest. About 0.5 mi northeast of the top of Grizzly Ridge in upper drainage of Joseph Creek. 2090 Comment
  CAS-BOT-BC491829  Calochortus leichtlinii A. A. Heller; P. B. Kennedy 1907-7-4 8719 Plumas Ridge east of Red Clover valley Comment
  CAS-BOT-BC491840  Calochortus leichtlinii Janet Jones 1980-7-16 215 Plumas Frazier Falls area 1828 Comment
  CAS-BOT-BC491842  Calochortus leichtlinii Robert J. Weatherby 1950-8-11 1521 Plumas Near spring on slopes of Mt. Elwell, Lake Basin Area 2194 Comment
  RSA369089  Calochortus luteus Dorothy Davis 1923-7-25 s.n. Plumas Mohawk, Mt. Eureka 1372 Comment
  CHSC53065  Calyptridium monospermum L. P. Janeway 1989-6-20 3342 Plumas Southwest side of Red Clover Valley. 1691 Comment
  CHSC57444  Calyptridium umbellatum L. P. Janeway 1984-9-1 1100 Plumas Lakes Basin Recreation Area; north-facing slope above Round Lake. 2133 Comment
  SBBG1924  Calyptridium umbellatum H. and M. Dearing 1939-5-9 3323 Plumas near Graeagle Comment
  UC501531  Calyptridium umbellatum Frank W. Peirson 1926-6-21 6791 Plumas Lake Almanor, n shore Lake Almanor 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
  SD7709  Calystegia occidentalis subsp. occidentalis Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  SJSU8752  Calystegia occidentalis subsp. occidentalis J. W. Tilden 1958-6-29 1304 Plumas SW shore L Almanor 1828 Comment
  UC879382  Calystegia occidentalis var. tomentella Lewis S. Rose 1939-6-8 39259 Plumas 12 mi ne Belden (Breyes Flat, Feather River); Feather River, Breyes Flat, ne of Belden 975 Comment
  CHSC61596  Camassia quamash Arthur C. Barrett 1915-6-24 21 Plumas Boulder Creek Ranger Sta. Meadow. 1645 Comment
  CAS-BOT-BC497563  Camassia quamash subsp. breviflora Elmer I. Applegate 1929-6-21 5810 Plumas Drakesbad, Warner Valley, Mt. Lassen region Comment
  CAS-BOT-BC497564  Camassia quamash subsp. breviflora Alice Eastwood 1918-5-25 7058 Plumas Portola Comment
  RSA0115174  Camassia quamash subsp. breviflora Lyman Benson 1949-6-21 13737 Plumas Meadow 1 mile west of LakeAlmanor Inn. Mt. Range: Cascade. 1341 Comment
  CHSC33937  Camassia quamash subsp. quamash M. S. Taylor; M. Foster 1981-6-3 3849 Plumas W side of 24N10 in wet meadow, ca. 1/4 mi s of Grizzly Creek crossing 24N10, ca. 8 mi nw of Portola. 1767 Comment
  RSA39782  Camissonia tanacetifolia subsp. quadriperforata P. A. Munz 1947-5-16 11823 Plumas 8 miles north of Chilcoot. 1524 Comment
  POM67173  Campanula prenanthoides Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico. 915 Comment
  SEINET10462994  Campanula prenanthoides Mallory 1969-8-21 MALLORY 349 Plumas 1.5 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest 1524 Comment
  SEINET10462999  Campanula prenanthoides Harris Harris s.n. Plumas Meadow Valley 1158 Comment
  SEINET10840315  Campanula prenanthoides Reed 1941-7-31 Reed s.n. Plumas Forest Lodge 1067 Comment
  SEINET10463869  Campanula wilkinsiana Holt 1942-8-9 Holt s.n. Plumas Deer Creek Meadows Comment
  CAS-BOT-BC37303  Cardamine breweri Robert J. Weatherby 1955-7-2 1575 Plumas Creek below Bear Ridge, near Taylor Lake. 1981 Comment
  RSA0116212  Cardamine breweri Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  CAS-BOT-BC37821  Cardamine nuttallii Alice Eastwood 1927-6-15 14597 Plumas United States Forest Reserve. On trail to Long Valley. Comment
  CAS-BOT-BC37823  Cardamine nuttallii W. I. Follett 1930-5-20 s.n. Plumas Mountains above Vergilia. 1280 Comment
  JEPS106193  Cardamine nuttallii var. covilleana Lowell Ahart, John Dittes, Josephine Guardino 2004-5-16 10931 Plumas Along a dirt forest road, east of Dry Taylor Creek, about 2 miles (air) southwest of Taylor Rock, about 6 1/4 miles (air) northeast of Quincy 1669 Comment
  UC117813  Cardamine nuttallii var. covilleana Mrs. Austin 1880-1 Plumas Big Meadows Comment
  CHSC81355  Cardamine oligosperma L. P. Janeway 1996-4-11 4954 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwst of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  SEINET10575843  Cardamine pachystigma var. pachystigma John G. Lemmon Lemmon s.n. Plumas Indian Valley. Comment
  CAS-BOT-BC38119  Cardamine pensylvanica Alice Eastwood 1927-6-17 14664 Plumas Long Valley. Near Greenville. Comment
  SEINET5343466  Cardaria chalepensis W. Harnach, N. Harnach 1989-5-22 115 Plumas Sierra Valley, east side of Co. rd A-23 1491 Comment
  JEPS115915  Carex abrupta Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16111 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
  JEPS63773  Carex abrupta W. L. Jepson 1910-6-9 4101 Plumas near Lassen Peak; Hot Springs Valley 1828 Comment
  UC822483  Carex acutina A. A. Heller with P. B. Kennedy 1907-7-9 8784 Plumas Comment
  CAS-BOT-BC17842  Carex amplifolia John Thomas Howell 1926-7-31 2176 Plumas Near Prattville. 1463 Comment
  CHSC105961  Carex angustata Lowell Ahart 2010-9-9 17143 Plumas Large colony around and under fir trees, on the east side of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CHSC108116  Carex angustata Lowell Ahart 2011-9-20 17694 Plumas On the east side of East Branch Creek, on the east side of Quincy La Porte road, about 1 3/4 miles (air) soouth of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CHSC57102  Carex angustata L. P. Janeway 1991-7-23 4095 Plumas Plumas National Forest. McRae Meadow, upper end of East Nelson Creek. 1905 Comment
  JEPS117646  Carex angustata Lowell Ahart 2010-7-27 16931 Plumas North side of Forest Road 22N68, about 150 yards north of the South Fork of the Feather River, about 1/4 mile southwest of the Feather Fork Mine, about 1 1/2 miles (air) northeast of Little Grass Valley Reservoir 1634 Comment
  SEINET13327082  Carex angustata A. A. Heller, P. B. Kennedy 1907-7-9 8784 Plumas Prattville. Comment
  JEPS49035  Carex angustata Leland S. Smith 1927-8-10 2176 Plumas Gold Lake Tahoe National Forest Comment
  CAS-BOT-BC19725  Carex athrostachya John Thomas Howell 1951-6-27 27591 Plumas Sierra Nevada. McRae Meadow. 1981 Comment
  CHSC105964  Carex athrostachya Lowell Ahart 2010-9-9 17145 Plumas About 20 feet north of the culvert, bottom of Onion Valley Creek, on the east side of Quincy La Porte Road, Onion Valley, about 9 1/2 miles (air) northeast of La Porte. 1899 Comment
  CHSC97184  Carex athrostachya Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14032 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  JEPS113803  Carex athrostachya Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14031 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  JEPS115942  Carex athrostachya Lowell Ahart, John Dittes 2009-7-13 16030 Plumas On damp to dry soil, on the west side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  RSA59915  Carex athrostachya E. K. Balls 1950-9-15 15836 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  SEINET4289848 Image available Carex athrostachya L. Ahart, Dittes, J; Guardino, J 2009-1 15879 Plumas 300 yards southwest of the Boat Ramp, about 300 yards north of Lake Almanor Dam. Comment
  UC1100432  Carex athrostachya Malcolm A. Nobs, S. Galen Smith 1949-8-18 1381 Plumas just S of Chester (Lake Almanor, N end, Last Chance Marshes) Comment
  CAS-BOT-BC19738  Carex athrostachya Dorothy E. Beetle 1941-6-28 56 Plumas Northwest corner of Lak Almanor. 975 Comment
  SEINET10862027  Carex athrostachya Mary Susan Taylor 1982-6-28 Taylor 4780 Plumas T23N R14E nw1/4 se1/4 sec 27. Po etola quad. S edge of Feather River, Rameilli Ranch, ca. 1 mi sw of Beckwourth. Riparian. With Macherocarpus californicus, Eleocharis palustris. 1487 Comment
  CHSC87988  Carex aurea Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11157 Plumas Edge of a small seep, in a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  JEPS28337  Carex aurea George W. Gillett 1957-7-13 753 -a Plumas across creek from Devil's Kitchen; Lassen Volcanic National Park 1859 Comment
  CHSC105972  Carex bolanderi Lowell Ahart 2010-10-21 17314 Plumas On the south side of a small wash, about 100 yards north of Fowler Lake, about 30 yards west of the trail (poor road), about 3/8 mile south of the dirt road, about 2 miles (air) north of where Black Rock Creek flows into Little Grass Valley Reservoir, about 6 miles (air) north-northwest of La Porte. 1662 Comment
  CAS-BOT-BC19636  Carex brainerdii John Thomas Howell 1960-7-22 35912 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad. 1828 Comment
  CHSC53565  Carex brainerdii L. P. Janeway 1990-6-15 3717 Plumas Plumas National Forest. Along Rattlesnake Creek, 2.1 mi (along the creek) north of Hwy 70/89; off of the north side of Long Valley. 1524 Comment
  CHSC63190  Carex brainerdii Lowell Ahart 1994-6-29 7419 Plumas West of a poor logging road, about 1/2 mile south of Bucks Lake. 1828 Comment
  UC1778636  Carex brainerdii G. Douglas Barbe, T. C. Fuller 1982-6-15 3694 Plumas On east-facing slope, 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  CAS-BOT-BC19622  Carex brainerdii John Thomas Howell; Gordon H. True 1967-5-7 42186 Plumas Sierra Nevada. Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  JEPS28361  Carex brainerdii George W. Gillett 1957-7-13 758 Plumas slope below Sifford Lakes (along direct route to the Devil's Kitchen); Lassen Volcanic National Park 2057 Comment
  SD130960  Carex brainerdii John Thomas Howell, Gordon H. True 1967-5-7 42186 Plumas Sierra Nevada; Injin Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  SEINET7552658 Image available Carex brainerdii Lewis S. Rose 1967-5-8 67074 Plumas Rodgers Flat, North Fork, Feather River. 610 Comment
  JEPS102675  Carex buxbaumii Lowell Ahart 2001-7-11 8888 Plumas Meadow, on the east side of the dirt road, about 1/4 miles NW of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) NW of Greenville. 1447 Comment
  JEPS122286  Carex canescens subsp. canescens Lowell Ahart 2014-8-24 19733 Plumas Along a small stream that flows into the South Fork of the Feather River, on the west side of the stream, 10 yards west of the dirt road, about one mile north of the bridge across the South Fork of the Feather River and the northeast part of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. Comment
  CHSC54422  Carex capitata Vernon H. Oswald 1991-7-17 4752 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 north and west borders of the lake. 1828 Comment
  SEINET7556168 Image available Carex cusickii L. P. Janeway 2003-7-19 7905 Plumas Mt. Harkness 7.5' Quad. High Cascade Range. 1656 Comment
  JEPS113654  Carex douglasii Lowell Ahart, John Dittes 2007-6-16 14134 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
  CHSC42139  Carex echinata subsp. echinata Lowell Ahart 1979-8-16 2015 Plumas In a small bog, about 100 yards east of Ohio Ravine, about 2 1/4 miles south of Grizzly Mountain. 1554 Comment
  RSA121759  Carex exserta E. Sawyer 1935-5-22 21 Plumas 3/4 mile southwest of Beckwith City. 1494 Comment
  CDA13986  Carex feta G. F. Hrusa 1996-8-2 13425 Plumas Sierra Nevada; Steep rocky slopes at SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Common on +- disturbed area of wet springline, forming tributary of Squirrel Creek. Comment
  CHSC69926  Carex feta L. P. Janeway 1997-5-29 5135 Plumas East Branch North Fork Feather River about 0.5 mi west of Soda Creek and 0.1 mi north of Hwy 70 along Road 25N21. 952 Comment
  CHSC47054  Carex filifolia var. erostrata L. P. Janeway 1989-6-12 3288 Plumas Plumas National Forest. South side of Red Clover Valley along the Beckwourth-Genesee Rd (rd 111). 1670 Comment
  UCD140340  Carex filifolia var. erostrata R. Tofsrud 1949-6-1 s.n. Plumas Humphry Ranch on road from Beckworth to Milford. Comment
  CAS-BOT-BC20691  Carex fracta John Thomas Howell 1960-7-20 35710 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC20693  Carex fracta John Thomas Howell 1960-7-19 35676 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC75507  Carex fracta 1938-7-4 s.n. Plumas Drakesbad. Comment
  CHSC92578  Carex fracta G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3157 Plumas Long Valley, 0.4 mile S of junction Dixie Canyon- Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  UC825366  Carex fracta Lewis S. Rose 1939-6-7 39254 Plumas 3 mi N of Pulga (N Fork of Feather River) 518 Comment
  CAS-BOT-BC21970  Carex heteroneura John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54117 Plumas 10.6 miles northeast of La Porte on road to Quincy. 1889 Comment
  CDA14007  Carex heteroneura G. F. Hrusa, T. D. Wilfred 1997-6-26 13924 Plumas Sierra Nevada; About Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CHSC76149  Carex heteroneura var. heteroneura G. F. Hrusa; T. D. Wilfred 1997-6-26 13924 Plumas Northern California, Sierra Nevada. Flats about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. 2125 Comment
  CHSC60197  Carex hoodii L. P. Janeway; Garrett Gibson 1992-6-16 4240 Plumas Plumas National Forest. About 0.5 mi northeast of Carman Saddle, 1.5 mi west of Beckwourth Peak, and 2.3 mi south of Portola. 1706 Comment
  RSA754927  Carex hoodii L. Ahart, Josephine Guardino 2005-8-10 12317 Plumas 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 1822 Comment
  CAS-BOT-BC7743  Carex integra John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54167 Plumas 3.25 miles west of Round Valley Reservoir dam. 1633 Comment
  CHSC92297  Carex integra Lowell Ahart; Josephine Guardino 2005-8-9 12271 Plumas In a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC100344  Carex jonesii Lowell Ahart 2008-7-16 15085 Plumas On the west side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CHSC116374  Carex jonesii Sara M. Taylor; Scott Batiuk 2012-7-31 49 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, 660224 E. 1610 Comment
  CHSC58525  Carex lasiocarpa Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5033 Plumas Grass Lake located just W of Lakes Basin Hwy. (County Rd. 519). 1926 Comment
  RSA59664  Carex lasiocarpa E. K. Balls 1950-9-9 15734 Plumas West of Lakes Center Public Campgound. 2043 Comment
  CHSC118840  Carex lasiocarpa Wendy L. Boes 2014-7-17 2014020 B Plumas Plumas National Forest. Gray Eagle Lodge Fen, Lakes Basin, Plumas National Forest. UTM 700667 E, 4399613 N, NAD83, Zone 10N. 2109 Comment
  RSA565016  Carex lasiocarpa var. americana D. W. Taylor 1990-8-10 11436 Plumas Lassen Nat l Park, Little Willow Lake. 1875 Comment
  CAS-BOT-BC31152  Carex lemmonii John Thomas Howell 1959-9-23 s.n. Plumas Meadow 3 mi from Juniper Lake on road to Chester. 1889 Comment
  CHSC78726  Carex lemmonii L. P. Janeway 2000-7-7 6882 Plumas Northern High Sierra Nevada. Drainage bottom at head of an upper northern branch of Spanish Creek, about 1.1 km northeast of Maple Flat. 1609 Comment
  CDA14003  Carex lenticularis G. F. Hrusa, T. D. Wilfred 1997-6-26 13920 Plumas Sierra Nevada; About Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  HSC95568  Carex lenticularis var. lipocarpa L. Ahart 2003-7-18 10431 Plumas 150 yds. S of the road, 3/4 mi. W of Lumpkin Ridge Rd., 1 mi. SE of Tamarack Flat, 2 mi. NW of Little Grass Valley Reservoir dam, 5 mi. NW of La Porte 1731 Comment
  JEPS104612  Carex lenticularis var. lipocarpa Lowell Ahart 2003-7-18 10431 Plumas In a drainage, in a meadow, ca 150 yd south of the road, ca 3/4 mi w of Lumpkin Ridge Rd, ca 1 mi se of Tamarack Flat, ca 2 mi (air) nw of Little Grass Valley Reservoir dam, ca 5 mi (air) nw of La Porte. 1730 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
  JEPS120163  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. Comment
  CHSC79084  Carex microptera L. P. Janeway 2000-6-24 6837 Plumas Northern High Sierra Nevada. Diamond Mountains; 1.1 km southeast of Crystal Peak; near top of ridge, southwest slope. 2201 Comment
  CDA18701  Carex multicaulis G. D. Barbe, T. C. Fuller 1982-6-15 3710 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1554 Comment
  CHSC92300  Carex nebrascensis Lowell Ahart; Josephine Guardino 2005-8-9 12255 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
  RSA702632  Carex nebrascensis L. P. Janeway 2004-8-22 8316 Plumas Northern High Sierra Nevada. Along Crocker Creek 0.4 km north of Crocker Meadow. 1731 Comment
  UC1100491  Carex nebrascensis Malcolm A. Nobs, S. Galen Smith 1949-8-18 1378 Plumas just s Chester (at n end of Lake Almanor); Last Chance Marshes, Lake Almanor Comment
  POM313120  Carex nebrascensis S. Galen Smith, Malcolm A. Nobs 1949-8-19 1457 Plumas Southeastern side of Portola. Comment
  UC1100501  Carex nebrascensis Malcolm A. Nobs, S. Galen Smith 1949-8-19 1457 Plumas se side Portola Comment
  JEPS107702  Carex nervina Lowell Ahart, John Dittes 2005-9-20 12452 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2004 Comment
  CAS-BOT-BC119189  Carex pachystachya John Thomas Howell 1960-7-19 35653 Plumas Wet slope near hot springs, Drakesbad. 1828 Comment
  CHSC92204  Carex pachystachya Lowell Ahart; Josephine Guardino 2005-8-9 12270 Plumas In a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC41162  Carex rossii L. P. Janeway 1985-6-27 1203 Plumas Plumas National Forest. Near the U.C. Forestry Camp, southwest of Meadow Valley. 1182 Comment
  CHSC47350  Carex rossii L. P. Janeway 1989-6-9 3275 Plumas Plumas National Forest. Southwest side of Red Clover Valley. 1691 Comment
  CHSC96330  Carex rossii L. P. Janeway; B. Castro 2006-9-9 8878 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km southwest of confluence of Panther Creek and North Arm Rice Creek; 1.2 km northeast of Blue Lake. 1932 Comment
  CHSC117758  Carex scoparia var. scoparia Jim Belsher- Howe; Rye Pamplin 2016-8-19 Plumas Snake Lake. Drying edge of shallow lake margin. 1205 Comment
  RSA60032  Carex scopulorum var. bracteosa E. K. Balls 1950-9-1 15597 Plumas East of Long Lake in meadow, sloping down to 2 smaller lakes. 2104 Comment
  SEINET7574995 Image available Carex scopulorum var. bracteosa L. P. Janeway 2003-9-20 7994 Plumas Northern High Sierra Nevada. In cirque 0.15 km southwest (up-drainage) of Hellgramite Lake; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area. Gold Lake 7.5' quad. 2115 Comment
  JEPS102234  Carex sheldonii L. P. Janeway 1997-5-28 5134 Plumas 1.3 mi west-northwest of Blairsden; meadow terrace between Little Bear Road and Middle Fork Feather River. 1316 Comment
  UCR115313  Carex stipata G. D. Barbe, T. C. Fuller 1982-6-14 3688 Plumas W end of Quincy, Hwy 70 & Lawrence St. at the Chevron station. 1037 Comment
  CAS-BOT-BC115997  Carex subfusca John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54115 Plumas 10.6 mi NE of La Porte on road to Quincy. 1889 Comment
  CAS-BOT-BC115998  Carex subfusca John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54371 Plumas 0.75 mi NE of Bucks Summit on road to Quincy. 1600 Comment
  CHSC101843  Carex subfusca Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15893 Plumas About 200 yards northwest of Lake Almanor Dam, in a mined over area. 1421 Comment
  CHSC76327  Carex subfusca G. F. Hrusa 1997-6-26 13901 Plumas Sierra Nevada. 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. [Original lat./long. on label is '39 54 N; 120 45 W']. 1500 Comment
  CHSC88229  Carex subfusca Lowell Ahart 2004-7-27 11313 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
  JEPS117654  Carex subfusca Lowell Ahart 2010-7-27 16924 Plumas On the south side of the paved road, about 1/2 mile south of Goat Mountain, about 2 miles (air) northeast of La Porte 1656 Comment
  RSA699969  Carex subfusca L. Ahart 2004-7-27 11313 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
  SEINET4292206 Image available Carex subfusca L. Ahart, Guardino, J 2007-1 14356 Plumas Open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. Comment
  UC1133469  Carex subfusca E. Sawyer 1935-7-1 268 Plumas 1/2 mi s Chases; Plumas National Forest, Downieville Quadrangle Comment
  SEINET10946214  Carex subfusca Lawrence P. Janeway 1989-6-22 Janeway 3368 Plumas Crocker Mtn, Quad, T24N, R14E, corner of Secs. 28, 29, 32, 33. Slopes between Crocker Mtn and Crocker Meadow, near rd 24N49Y. 1804 Comment
  CHSC47144  Carex utriculata Henricus Jansen 1989-6-22 Plumas Soldier Creek. 1371 Comment
  CHSC74138  Carex utriculata B. Castro; L. Gehrung 1996-8-8 708 Plumas Ca 3 air mi S of Bucks Lake, 100 ft E of USFS Rd 23N18, ca 0.5 mi S of the serpentine outcrop at jcn of Rds 23N18, 15, and 69. In a small meadow at northern branch of headwaters of East Branch Coldwater Creek. 1767 Comment
  JEPS107973  Carex utriculata Lowell Ahart, John Dittes 2005-9-19 12384 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  CAS-BOT-BC115149  Carex vesicaria Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region. Comment
  SEINET7579973 Image available Carex vesicaria Unknown 2006-9-9 8880 Plumas Reading Peak 7.5' quad, High Cascade Range, west shore of Jedidiah Colter Lake, between Blue Lake and North Arm Rice Creek. 1981 Comment
  CHSC105509  Carex vesicaria var. vesicaria Lowell Ahart 2010-10-21 17313 Plumas On wet humus, under moutain alder shrubs, east side of Fowler Lake, about 3/8 mile south of the dirt road, about 2 miles (air) north of where Black Rock Creek flows into Little Grass Valley Reservoir, about 6 miles (air) north-northwest of La Porte. 1662 Comment
  CDA13407  Carex whitneyi G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13256 Plumas Sierra Nevada; Near upper ridge above headwaters of Bull Run Creek off USFS 23N12E. Comment
  SEINET7580522 Image available Carex whitneyi L. P. Janeway 2003-7-19 7911 Plumas Reading Peak 7.5' quad, High Cascade Range, at the end-of-the-road trailhead parking for trail to Little Willow Lake, 200 m southeast of Little Willow Lake. 1853 Comment
  RSA604697  Castanopsis sempervirens Louis C. Wheeler 1952-9-24 6959 Plumas Plumas 5: Vicinity of Crescent Mills. Comment
  CHSC21725  Castilleja F. T. Griggs; A. Pass 1975-7-8 110 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC249753  Castilleja applegatei subsp. pinetorum Mary Strong Clemens 1920-10-14 s.n. Plumas Greenville Comment
  CHSC34755  Castilleja applegatei subsp. pinetorum M. S. Taylor 1981-8-19 4214 Plumas S side of rd 23N10, 0.5 mi e of Bell Creek, ca. 1 mi w of Sloat. 1341 Comment
  CHSC80875  Castilleja applegatei subsp. pinetorum Lowell Ahart 2001-7-17 8923 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
  JEPS10977  Castilleja applegatei subsp. pinetorum W. I. Follett 1942-7-27 132 Plumas Deadwood Summit 1386 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
  SBBG128287  Castilleja applegatei subsp. pinetorum L. Ahart, J. Dittes 2009-7-15 16095 Plumas under the power line, on the S side of Forest Service Rd 26N22, ca. 2.3 mi SE of Butt Valley Reservoir Dam 1517 Comment
  UC1063050  Castilleja applegatei subsp. pinetorum A. Lewis 1934-7-25 519 Plumas 1 mi se Bald Mountain; Plumas National Forest, Downieville Quad. 1676 Comment
  UC174719  Castilleja applegatei subsp. pinetorum A. A. Heller and P. B. Kennedy 1907-7-3 8701 Plumas hills above Red Clover Valley Comment
  UC423643  Castilleja applegatei subsp. pinetorum David D. Keck 1930-7-24 959 Plumas halfway between Chester and Westwood; Sierra Nevada 1463 Comment
  UC1562664  Castilleja arachnoidea Barbara Ertter with Gary Schoolcraft 1989-7-3 8659 Plumas ca 8 air mi s Susanville (ridge between Redrock and Diamond Mt.) 2225 Comment
  JEPS49075  Castilleja miniata Lewis S. Rose 1966-7-28 66073 Plumas Quincy 1066 Comment
  CAS-BOT-BC254055  Castilleja miniata M. S. Taylor 1982-8-4 4916 Plumas Along spring on n side of Solomon [Soloman] Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. Flora of Plumas County 1889 Comment
  UC1063481  Castilleja pilosa E. Sawyer 1935-6-4 62 Plumas 3.75 mi ene Beckwith Butte; Sierraville Quad. 1493 Comment
  UC1094746  Castilleja pilosa Francia Chisaki 1956-5-31 895 Plumas 1.3 mi s Sattley road junction with Highway 40 Alt. (on road to Sattley, s of Beckwourth); Sierra Valley Comment
  JEPS83445  Castilleja pruinosa G. L. Stebbins 1986-6-29 C 610 Plumas above Meadow Valley Comment
  POM297715  Castilleja psittacina A. A. Heller, P. B. Kennedy 1907-7-5 8747 Plumas Red Clover valley Comment
  CHSC43565  Castilleja tenuis Lowell Ahart 1979-7-18 1985 Plumas In a small meadow, along Cleghorn Bar Road, about 2 miles north-west of Pilot Peak, about 12 miles north of La Porte. 1676 Comment
  CHSC65385  Castilleja tenuis Lowell Ahart 1995-9-13 7621 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC73997  Castilleja tenuis B. Castro; L. Gehrung, H. Durio 1996-7-3 675 Plumas Placer Diggings site, ca 4 air mi NE of La Porte, o.5 mi SE of the South Branch of Slate Creek, and 1.6 mi W of Howland Flat, W of Co. Rd 690. 1566 Comment
  JEPS4345  Castilleja tenuis W. L. Jepson 1910-6-5 4074 Plumas Hot Springs Valley; Lassen Pk. 1706 Comment
  JEPS80627  Castilleja tenuis M. S. Taylor 1981-6-10 3881 A Plumas ca 11 air mi nw Beckwourth (ca 0.75 mi n of Genesee-Beckwourth Rd, Overland Inc. Ranches, in Red Clover Valley); Crocker Mt. Quad., Red Clover Valley 1676 Comment
  SEINET5343757  Caulanthus major var. nevadensis W. Harnach, N. Harnach 2005-7-7 1218 Plumas Black Mountain, 11 air miles north of Dixie Mtn lookout, overlooking Honey Lake 2134 Comment
  CAS-BOT-BC47867  Ceanothus cordulatus Ella Dales Cantelow 1939-5-20 2560 Plumas Lake Almanor Comment
  CAS-BOT-BC48617  Ceanothus cordulatus John Thomas Howell 1924-8-9 603 Plumas Two miles east of Chester on Road to Westwood 1310 Comment
  RSA60216  Ceanothus cordulatus E. K. Balls 1950-9-6 15690 a Plumas 3.1 miles E of turn to Sloat, Hwy 24, between Quincy and Portola. 1250 Comment
  UCD111398  Ceanothus cordulatus B. F. Smith 1967-8-16 61 Plumas 2 miles northeast of La Porte. 1615 Comment
  CDA18699  Ceanothus cuneatus var. cuneatus G. D. Barbe, T. C. Fuller 1982-6-15 3706 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  UC1071062  Ceanothus cuneatus var. cuneatus C. G. Albertus 1935-7-23 231 Plumas 2 mi nw, Lava Peak; Downieville quad., Plumas National Forest 1371 Comment
  CAS-BOT-BC50727  Ceanothus integerrimus Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1969-6-24 2469 Plumas Butterfly Botanical Area and Vicinity - Overnight Camp 1097 Comment
  UC452655  Ceanothus integerrimus H. M. Hall 1912-6-30 9303 Plumas Spanish Ranch Sierra Nevada Mts. 1158 Comment
  UCR270280  Ceanothus integerrimus John F. Emmel 2002-5-20 1754 Plumas Northern Sierra Nevada Mtns., North Fork Feather River, 6.2 miles southwest of Chips Creek 915 Comment
  SEINET13945945 Image available Ceanothus integerrimus E. K. Balls 1950-1 15691 Plumas .6 mi W of Spring Garden, between Quincy and Portola, hwy 24. Alt 4000 ft. 1219 Comment
  CAS-BOT-BC51043  Ceanothus integerrimus var. macrothyrsus Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Gold Valley Comment
  RSA104151  Ceanothus integerrimus var. puberulus T. C. Porter 1876-1 s.n. Plumas [No location data on label] Comment
  RSA60128  Ceanothus integerrimus var. puberulus E. K. Balls 1950-9-4 15671 Plumas 2 miles from Feather River Ezperiment Station, Quincy, on roa to Snake Lake. 1159 Comment
  RSA79094  Ceanothus integerrimus var. puberulus E. K. Balls, Percy C. Everett 1952-10-14 18208 Plumas 1 miles NE of jct of Hwy 89 and 24, betw Greenville and Quincy 915 Comment
  CAS-BOT-BC51158  Ceanothus lemmonii L. S. Smith 1925-4-29 1563 Plumas Grizzley Ridge. West end, So. & W. slope 975 Comment
  CAS-BOT-BC63370  Ceanothus prostratus Harry P.. Went 1920-5-17 s.n. Plumas Greenville. Comment
  CHSC59923  Ceanothus prostratus L. P. Janeway; Garrett Gibson 1992-7-22 4273 Plumas Plumas National Forest Milford Ranger District Recon Compartment. 0.25 mi east of the top of Horton Ridge, across the ridge from the southeast fork of Horton Canyon. 2057 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
  LA45110  Ceanothus velutinus C. W. Hallis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  CHSC45650  Centaurea cyanus Vernon Oswald 1984-7-9 1356 Plumas Hwy 89 at the south edge of Crescent Mills. 1071 Comment
  CAS-BOT-BC277041  Centaurea maculosa J. Budaj 1966-9-30 s.n. Plumas Sulphur Springs Rd. & Hwy 89, at the Sierra Co. line, s.e. of Clio Comment
  JEPS102858  Centaurea solstitialis Lowell Ahart 2001-10-8 9330 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
  CAS-BOT-BC384936  Cerastium arvense John Thomas Howell; Gordon H. True 1967-5-9 42211 Plumas Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  HSC4092  Cerastium arvense Jim Vaughn 1956-8-1 Plumas Mt. Lassen NP, Drakesbad 1738 Comment
  CHSC113605  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2014-9-9 19857 Plumas Below the high water line, sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CHSC113904  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2014-8-24 19757 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CAS-BOT-BC166083  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1977-8-11 52679 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  CHSC33743  Chamerion angustifolium subsp. circumvagum M. S. Taylor 1981-7-13 3992 Plumas Frenchman Lake Canyon, 1.8 mi s of the dam, ca. 10 mi n of Chilcoot on Hwy 70. Road embankment. 1615 Comment
  RSA52893  Cheilanthes gracillima R. Weatherby 1950-8-11 1514 Plumas Mount Elwell, Lakes Basin area 2378 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
  CAS-BOT-BC70261  Cheilanthes intertexta L. Q. Stephenson 1997-7-1 s.n. Plumas Martins Canyon Comment
  CHSC84548  Chenopodium album John Dittes; Lowell Ahart 2003-8-8 2003 -93 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
  JEPS110530  Chenopodium botrys Lowell Ahart 2006-10-23 13472 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 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
  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
  RSA60225  Chenopodium botrys E. K. Balls 1950-9-7 15699 Plumas 4.4 miles W of Mohawk Ranger Station, Hwy 24 between Cromberg and Portola. Comment
  CAS-BOT-BC494114  Chenopodium desiccatum W. Harnach; N. Harnach 2000-8-2 972 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
  CAS-BOT-BC426316  Chenopodium incognitum John Thomas Howell 1955-7-19 30768 Plumas Sierra Nevada: Bechwourth 1493 Comment
  UCSB64025  Chenopodium simplex Ahart, Lowell 1974-7-30 Plumas About 100 yards west of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte 1828 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
  CAS-BOT-BC452243  Chimaphila umbellata Mrs. Jos. Clemens 1919-10-14 s.n. Plumas Greenville Comment
  SD46614  Chimaphila umbellata Robert J. Weatherby 1950-7-7 1448 Plumas Ganser Creek, Quincy 1219 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
  CAS-BOT-BC452244  Chimaphila umbellata Robert J. Weatherby 1950-7-7 1448 Plumas Gansner Creek, Quincy 1219 Comment
  HSC22958  Chimaphila umbellata John Pratt 1970-7-19 75 Plumas 1982 Comment
  SEINET10449195  Chimaphila umbellata var. occidentalis Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4014 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  CAS-BOT-BC39665  Chorispora tenella W. Harnach; N. Harnach 1990-4-18 261 Plumas Sierra Valley. Across from Charmicheal pond. 1485 Comment
  RSA508622  Chrysolepis chrysophylla Mrs. R. M. Austin 1879-07 s.n. Plumas Hills. Comment
  RSA121899  Chrysolepis sempervirens E. Nourse 1934-9-5 33 Plumas 2.5 miles north and 3/4 mile west of Dudley. 1921 Comment
  UC1135250  Chrysolepis sempervirens G. Burks 1933-8-8 31 Plumas 4.5 mi e and 1 mi n Camel Peak; Plumas National Forest, Bidwell Bar 1706 Comment
  SEINET7450651 Image available Chrysopsis villosa var. minor M. J. Williams 1974-7-23 74 -P-1 Plumas Near Chilcoot 1524 Comment
  RSA59904  Chrysothamnus nauseosus subsp. albicaulis E. K. Balls 1950-9-14 15819 Plumas 6 miles NW of Chester, North Fork Feather River. 1402 Comment
  RSA60214  Chrysothamnus nauseosus subsp. albicaulis E. K. Balls 1950-9-6 15689 Plumas 1.9 miles NW of Spring Garden, Hwy. 24, east of Quincy 1220 Comment
  POM125954  Chrysothamnus parryi subsp. nevadensis I. M. Johnston 1919-9-2 2184 Plumas Keddie, open bench about the W. Pac. Station 982 Comment
  CAS-BOT-BC100825  Chrysothamnus viscidiflorus subsp. viscidiflorus Clare B. Hardham 1978-8-11 21792 b Plumas about 5 miles southeast of Thompson Peak Comment
  CAS-BOT-BC100830  Chrysothamnus viscidiflorus subsp. viscidiflorus Thomas H. Kearney 1944-8-14 148 Plumas Near Prattville, Lake Almanor 1310 Comment
  UC403968  Cicuta douglasii H. M. Hall 1912-8-3 9376 Plumas Sierra Nevada Mountains, Quincy Quincy; Sierra Nevada Mountains, Quincy 1066 Comment
  JEPS96042  Circaea alpina subsp. pacifica Vernon H. Oswald and Lowell Ahart 1996-8-14 8152 Plumas n.e. La Porte (on La Porte-Quincy Rd. 3.1 mi. n. of rd. to Johnsville, 1.0 mi. s. of S. Fork Feather R.); n. High Sierra Nevada 1920 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
  CDA1030  Cirsium andersonii T. C. Fuller 1959-7-6 2768 Plumas E shore Lake Almanor, 1 mi. N of Canyondam. 0 Comment
  SEINET7451063 Image available Cirsium andersonii A. A. Heller, P. B. Kennedy 1907-7-18 8881 Plumas Grade between Beckwith (Beckwourth) and Red Clover Valley. Comment
  CHSC34319  Cirsium arvense L. Ahart 1981-9-6 3102 Plumas Indian Creek, 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  UCD169686  Cirsium arvense L. P. Janeway; Melanie Williams 2011-9-1 10715 Plumas Northern High Sierra Nevada. Plumas National Forest; along Kenzie Ravine 1.1 km east of Little Grass Valley Reservoir, 35 m upstream from Silvertip Road crossing; 2.0 air km north of Goat Mountain. 1573 Comment
  CAS-BOT-BC290606  Cirsium arvense Peter Rubtzoff 1978-8-4 9244 Plumas West side of Highway 89, 0.2 miles north of Spanish Creek crossing (ca. 0.75 miles north of Quincy). Comment
  SEINET13711382  Cirsium arvense Lowell William Ahart, Lowell William Ahart 2001-1 9272 Plumas 5 Air Mi. NW of Quincy at Pond in Butterfly Valley (T25N, R9E, sec 20, SE 1/4) 3625 Ft. 1105 Comment
  CAS-BOT-BC279951  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35986 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279959  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35976 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279960  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35980 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CDA13572  Cirsium occidentale var. candidissimum G. F. Hrusa, B. Smith 1996-8-1 13483 Plumas Sierra Nevada; SW-facing slope on SW side of Little Long Valley Creek. approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  RSA128650  Cirsium ochrocentrum T. C. Fuller 1959-10-2 3230 Plumas Loyalton-Vinton Road, just north of county line, 7.3 miles south of Vinton. Comment
  CAS-BOT-BC286444  Cirsium scariosum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54333 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road 1341 Comment
  CAS-BOT-BC286443  Cirsium scariosum Lowell Ahart 1976-7-7 s.n. Plumas Along Cold Water Creek 1524 Comment
  RSA31216  Cirsium scariosum Joseph A. Ewan 1934-7-8 8585 Plumas Camp Coldwell, Dentins(?) Mohawk Valley 1616 Comment
  SD50703  Cirsium vulgare Darley F. Howe 1959-8-2 2781 Plumas Quincy 1064 Comment
  SDSU3800  Cirsium vulgare D. F. Howe 1959-8-2 2781 Plumas Meadow at Quincy. 1067 Comment
  UC170948  Cirsium vulgare H. M. Hall 1912-8-3 9377 Plumas Quincy Sierra Nevade Mountains, Quincy 1066 Comment
  UC1071905  Clarkia mildrediae H. and M. Lewis, F. Vasek 1950-6-30 749 Plumas 5.2 mi s Yellow Creek Bridge (Hwy.24); Feather River Comment
  JEPS93189  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-8 4687 Plumas s. side Franklin Hill (slope n. of Rd. 22N94, Hartman Bar Ridge); Dogwood Peak Quad., Hartman Bar Ridge, Franklin Hill 1706 Comment
  CAS-BOT-BC163280  Clarkia mildrediae subsp. mildrediae John Thomas Howell 1967-6-22 42649 Plumas Rock Creek Power House, canyon of the Feather River North Fork Comment
  CAS-BOT-BC163282  Clarkia mildrediae subsp. mildrediae A. A. Heller 1940-6-5 15708 Plumas Along State Highway #24, near Buck's Creek power house Comment
  CHSC27037  Clarkia mildrediae subsp. mildrediae James Jokerst; Robert A. Schlising 1978-6-21 3288 Plumas Feather River Canyon, 4.2 mi N of Storrie (= 9.2 mi N of Butte County line) at Rodgers Flat Power Plant; roadside bank. Along Feather River Highway. Comment
  UC127442  Clarkia purpurea subsp. quadrivulnera A. A. Heller with P. B. Kennedy 1907-7-12 8827 Plumas between Taylorville and Crescent Mills Comment
  CAS-BOT-BC163850  Clarkia purpurea subsp. quadrivulnera A. A. Heller 1938-7-2 15234 Plumas Along the highway near the river bridge at Quincy 1097 Comment
  CAS-BOT-BC163852  Clarkia purpurea subsp. quadrivulnera R. W. Thorp 1963-7-2 63 -49 Plumas East end of Quincy Comment
  JEPS33714  Clarkia rhomboidea John Thomas Howell 1926-7-20 2081 Plumas near Prattville 1463 Comment
  CAS-BOT-BC164916  Clarkia rhomboidea Clare B. Hardham 1961-6-15 7389 Plumas North of Quincy. Junction of Indian Creek and Feather River 1219 Comment
  SD7349  Clarkia rhomboidea Mrs. R. M. Austin 1882-1 Plumas Comment
  UC1730250  Clarkia rhomboidea L. P. Janeway 1993-6-16 4392 Plumas across [river] from Paxton (N side of East Branch North Fork Feather River; beginning of dirt road off Hwy 70 0.8 mi W of junction with Hwy 89) 883 Comment
  CDA14705  Clarkia stellata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3207 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  CHSC117486  Clarkia stellata Lowell Ahart 2016-6-29 21072 Plumas Top and southwest part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CHSC74104  Clarkia stellata B. Castro 1998-7-28 816 Plumas Ca 2 mi SW of La Porte and 0.6 mi E of American House, on S-facing slope E of the La Porte Rd. On roadcut edge within 15 ft of main road, and also in opening ca 120 ft to the S. 1508 Comment
  RSA0059947  Clarkia stellata L. P. Janeway 1995-7-11 4851 Plumas High Sierra Nevada. Along west side of Road 24N12 (road to Smith Peak) 1.8 miles northwest of Highway 70; about 4 miles west of Portola 1555 Comment
  SEINET10885380  Clarkia stellata A. Arthur Heller, Patrick B. Kennedy 1907-7-9 Heller 8778 Plumas Prattville Comment
  CHSC72455  Clarkia unguiculata L. P. Janeway 1998-7-1 5694 Plumas Northwest side of North Fork Feather River and Hwy 70; southeast-facing slope above the road across from Injun Jim School. 621 Comment
  CAS-BOT-BC451747  Claytonia lanceolata M. S. Taylor 1982-5-17 4458 Plumas S side of rd 22N54, 1 air mi n of Beckwourth Peak, ca. 2 mi se of Portola. 1828 Comment
  CAS-BOT-BC451748  Claytonia lanceolata Gladys L. Smith 1976-6-7 4610 Plumas South end of summit ridge. Secondary road from Quincy to La Porte, drainage of Middle Fork Feather River 1950 Comment
  CHSC21589  Claytonia lanceolata D. E. Brink Jr.; L. M. Mayer 1975-7-17 Plumas Found on the e edge of the middle of the section. Comment
  SBBG1926  Claytonia lanceolata H. and M. Dearing 1939-3-9 3313 Plumas N of Sierra Buttes Rd to Blairsden from Sierra City 1828 Comment
  SEINET10863161  Claytonia lanceolata Mary Susan Taylor, G. Rotta 1981-6-18 Taylor 3936 Plumas T25N R12E nw/se sec 34. Grizzly Valley quad. Snow ponds, SE side of Mt Ingalls, ca. 14 air mi N of Blairsden. 7300 ft elev. 2225 Comment
  JEPS108550  Claytonia parviflora subsp. parviflora L. P. Janeway 1994-5-24 4648 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca 1371 Comment
  CAS-BOT-BC443707  Claytonia rubra Lowell Ahart 1987-5-19 5656 Plumas Near Hopkins Creek, about 1/2 mile south of Turkeytown, about 1 mile west of Blue Nose Mountain, about 14 miles north-east of La Porte 1889 Comment
  CAS-BOT-BC443708  Claytonia rubra L. P. Janeway 1992-5-6 4156 Plumas Plumas National Forest, Beckwourth Ranger District. About 4 mi southwest of Portola; west side of Claireville Flat between Middle Fork Feather River and Hwy 70. 1482 Comment
  SEINET10572732  Claytonia rubra Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3889 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
  CDA14716  Claytonia rubra subsp. rubra G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3232 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  CHSC21217  Claytonia rubra subsp. rubra F. T. Griggs; A. Pass 1975-7-17 145 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC64830  Claytonia rubra subsp. rubra Vernon H. Oswald 1995-6-24 6906 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. Locally abundant in wet gravel near the road. 1371 Comment
  JEPS87648  Claytonia rubra subsp. rubra Lowell Ahart 1994-7-7 7465 Plumas about 0.75 air mi s Pilot Peak (n side of Pacific Crest Trail, Plumas and Sierra Counties); Bunker Hill Ridge 2011 Comment
  JEPS95533  Clintonia uniflora Lowell Ahart 1994-6-17 7345 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  CAS-BOT-BC238045  Collinsia Ella Dales Cantelow 1940-5-11 4403 Plumas Grade W. of Meadow Valley Comment
  CDA14142  Collinsia parviflora G. F. Hrusa 1997-5-3 13832 Plumas Sierra Nevada; E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. 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
  CHSC96895  Collinsia parviflora Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14002 Plumas East side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  UC138743  Collinsia parviflora Mrs. R. M. Austin 1880-1 Plumas Plumas County Comment
  RSA0117246  Collinsia parviflora L. S. Rose 1963-6-3 63114 Plumas Butterfly Valey, 2 mi. sw. of Keddie, North Fork of Feather River. 1189 Comment
  RSA79434  Collinsia parviflora F. W. Peirson 1926-6-21 6785 Plumas East slope of Sierra Nevada, Humboldt Road. Comment
  CHSC21191  Collinsia torreyi F. T. Griggs; A. Pass 1975-7-10 148 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS25045  Collinsia torreyi var. torreyi Mrs. Mabel Dopplmaier 1949-6-18 Plumas Johnsville Comment
  CHSC64121  Collomia grandiflora B. Castro; R. A. Schlising 1987-7-21 171 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
  CHSC35921  Collomia heterophylla M. S. Taylor 1982-5-13 4434 Plumas Cut roadbank, across from parking lot, Gansner Park, Quincy. 1036 Comment
  RSA71855  Collomia linearis F. W. Peirson 1926-6-21 6783 Plumas East slope of Sierra Nevada on Humboldt Road Comment
  CHSC89281  Collomia tinctoria G. Douglas Barbe; T. C. Fuller 1982-6-15 3734 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  JEPS96024  Collomia tinctoria Vernon H. Oswald and Lowell Ahart 1996-8-14 8159 Plumas ca. 2 mi. (air) n.w. of Meadow Valley (on the Oroville-Quincy Hwy.) (rd. paralleling Spanish Creek near Greens Flat); northern High Sierra Nevada 1127 Comment
  UCR161005  Collomia tinctoria G. D. Barbe, T. C. Fuller 1982-6-17 3828 Plumas S shore of Frenchman Reservoir (Lake), 0.4 mi east of Frenchman Dam 1707 Comment
  JEPS123948  Comarum palustre Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20425 Plumas On the west side of Duck Lake (near Blue Lake), 1,180 feet north of Forest Service Road 29N18, 3.19 air miles west-southwest of Sifford Mt., 6.41 air miles south-southeast of Lassen Peak. Comment
  CAS-BOT-BC133719  Corallorhiza J. Ed. McClellan; Bonnie McClellan 1968-6-18 s.n. Plumas Field redacted by CAS, contact the data manager for more information 1524 Comment
  CHSC63304  Corallorhiza maculata Lowell Ahart 1994-6-17 7362 Plumas On the west side of Sly Creek, about 100 yards south of the locked gate, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  JEPS87740  Corallorhiza maculata Lowell Ahart 1994-6-17 7362 Plumas about 1 mi e of Sly Creek Reservoir (e side of a poor logging road about 100 yd s of the locked gate; w side of Sly Creek); Sly Creek 1097 Comment
  SD52103  Corallorhiza maculata Frank Stephens 1894-7-1 10017 Plumas Greenville. Comment
  CDA12111  Corallorhiza trifida G. F. Hrusa, J. Dinsdale 1989-6-27 7259 Plumas Sierra Nevada; N shore of Bucks Lake W of Quincy. Comment
  CDA34136  Cordylanthus tenuis subsp. tenuis L. Ahart, J. Dittes 2009-7-15 16089 Plumas On the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butte Valley Reservoir Dam. Comment
  JEPS107608  Cordylanthus tenuis subsp. tenuis Lowell Ahart, Josephine Guardino 2005-8-10 12300 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
  JEPS81612  Cordylanthus tenuis subsp. tenuis M. S. Taylor 1982-9-8 5117 Plumas s side of Round Valley Reservoir (in Bellas Flat near Bellas Creek, ca. 4 air mi s of Greenville); Greenville SW quad 1371 Comment
  RSA40419  Cordylanthus tenuis subsp. tenuis P. A. Munz 1948-8-12 12342 Plumas Forest Lodge, Greenville. 1128 Comment
  SEINET10548993  Cordylanthus tenuis subsp. tenuis Mary Susan Taylor 1982-9-8 Taylor 5117 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CAS-BOT-BC209426  Cornus nuttallii David D. Keck 1932-7-3 1650 Plumas Quincy, in the Northern Sierra Nevada 1220 Comment
  CAS-BOT-BC210299  Cornus sericea A. A. Heller; P. B. Kennedy 1907-7-13 8829 Plumas Taylorville [Taylorsville] 1080 Comment
  CAS-BOT-BC210501  Cornus sericea subsp. occidentalis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2390 Plumas Butterfly Valley on east side Comment
  SEINET10453356  Cornus stolonifera Mary Susan Taylor 1981-7-17 Taylor 4028 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
  NY214535  Corydalis caseana J. M. Coulter 07 1876 s.n. Plumas Big Meadows Comment
  SD8285  Corydalis caseana Daniel Cleveland 1882-7-26 Plumas Big Springs, Big Meadows Comment
  JEPS48599  Corydalis caseana subsp. caseana Esther C. Fritz 1933-7-4 Plumas in and along Schneider Creek Schneider Creek 1188 Comment
  CAS-BOT-BC169502  Corylus cornuta subsp. californica Henry A. Kloppenburg 1928-5-19 430 Plumas Belden. Plumas Forest 701 Comment
  CAS-BOT-BC290451  Crepis acuminata Anna Head 1921-6-22 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  CDA17294  Crepis acuminata G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16322 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
  CHSC39362  Crepis acuminata L. Ahart; P. Ahart 1983-8-17 4332 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  UC476324  Crepis acuminata Mrs. L. W. Swift June, 1931 3035 Plumas Stony Ridge Plumas National Forest, Last Chance Creek (foot) Comment
  UC581268  Crepis bakeri subsp. bakeri G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2149 Plumas Beckwith Peak Sierra Valley (e side) Comment
  CHSC91772  Crepis intermedia G. F. Hrusa; Kerr, S. Winterton 2004-6-25 16342 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  UC346561  Crepis intermedia E. B. Babcock 1928-6-15 156 Plumas Feather River Inn golf course; near hwy Comment
  SEINET10474585  Crepis modocensis Mary Susan Taylor 1982-5-17 Taylor 4466 Plumas 5600 ft. T22N R14E se/se sec 6. Portola quad. Dry rocky volcanic flats and outcrops, n side of 22N55, near its jct with 22N54 & 27N88, ca. 2 mi se of Portola. 1707 Comment
  CHSC75902  Crepis monticola G. F. Hrusa 1997-5-30 13853 A Plumas Sierra Nevada. 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508)/and Sloat Rd. (to S) . [Original lat./long. on label is '39 53 N; 120 42 W']. 1450 Comment
  UC1118014  Crepis occidentalis E. Sawyer 1935-6-1 51 Plumas 1 3/4 mi ne Hawks; Sierraville Quadrangle 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
  JEPS113449  Crepis occidentalis subsp. occidentalis Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13986 Plumas East side of an open rocky flat, 30 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  CAS-BOT-BC290806  Crepis occidentalis subsp. pumila Anna Head 1921-7-20 s.n. Plumas Round Lake, Feather River Region 2011 Comment
  CDA13930  Crepis pleurocarpa G. F. Hrusa 1997-5-3 13855 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
  UC346554  Crepis pleurocarpa E. B. Babcock 1928-6-15 161 Plumas 2 mi e Meadow Valley (along road to Quincy) Comment
  UCD59815  Crypsis schoenoides John Thomas Howell 1959-9-26 35068 Plumas Feather River Canyon. Ca. 1.5 miles west of Belden. 682 Comment
  CHSC63619  Cryptantha affinis B. Castro; R. Zebell 1989-7-20 325 Plumas Off the S end of Walker Plains, off S side of the Oro-Quincy Hwy. 1539 Comment
  SD71011  Cryptantha affinis John Thomas Howell 1960-7-17 35487 Plumas Drakesbad 1675 Comment
  CAS-BOT-BC189327  Cryptantha circumscissa John Thomas Howell 1962-6-19 37851 Plumas The Buttes, N Sierra Valley 1493 Comment
  JEPS102384  Cryptantha simulans Lowell Ahart 2001-7-17 8912 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
  CHSC43470  Cryptantha torreyana Lowell Ahart 1977-7-9 1453 Plumas Near a small meadow, near the South Fork of the Feather River, about 1/2 mile north of the Feather Fork Mine, about 6 miles north of La Porte. 1706 Comment
  CHSC113884  Cryptantha torreyana var. torreyana Lowell Ahart 2014-8-26 19798 Plumas In the center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CAS-BOT-BC70460  Cryptogramma acrostichoides Robert J. Weatherby 1950-8-11 1506 Plumas Trail to Silver Lake, Lakes Basin Area, North Sierra Nevada Mts. 1981 Comment
  UC123025  Cryptogramma cascadensis R. M. Austin July 1876 318 Plumas Spanish Peak Comment
  UC1229886  Cupressus bakeri C. R. Quick and H. F. Wilcox 1962-10-1 62 -2 Plumas near e side Mud Lake (an extensive but scatterd grove extending n down slope toward Wilcox Valley, about 0.75 mi ne of Eisenhower Peak) 2042 Comment
  SEINET10531423  Cupressus bakeri Mary Susan Taylor, M. Foster 1981-8-13 Taylor 4175 Plumas T26N R11E ne 1/4 sec 23. Genesse Valley quad. Open sagebrush area on top of hill N & NE side of W flank of Wheeler Peak Ridge, ca. 5 air mi N of Genesse. 6500 ft. 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
  RSA201317  Cuscuta californica J. T. Howell 1960-7-19 35689 Plumas Drakesbad 1677 Comment
  CAS-BOT-BC224543  Cuscuta californica L. P. Janeway 1984-9-1 1129 Plumas Lakes Basin Recreation Area, above Mud Lake 2072 Comment
  CAS-BOT-BC224544  Cuscuta californica John Thomas Howell; G. D. Barbe; T. C. Fuller 1981-6-26 54407 Plumas South end of Walker Plain near Buckeye. About 8 miles southwest of Bucks Lake on road to Oroville 1524 Comment
  CHSC66756  Cuscuta californica var. breviflora Vernon H. Oswald; Lowell Ahart 1996-8-14 8150 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  CHSC58495  Cuscuta californica var. californica Vernon H. Oswald; Lowell Ahart 1992-7-6 5063 Plumas On Kelly Mtn. ca. 0.3 mi SW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). 1813 Comment
  JEPS115112  Cuscuta californica var. papillosa Lowell Ahart, John Dittes 2009-7-29 16194 Plumas On Ceanothus prostratus, aove the high road bank, on the east side of Forest Service Road 26N23, saddle between Ohio Valley and Clear Creek, 2.0 miles (air) northeast of Butt Valley Reservoir Dam 1508 Comment
  CDA39975  Cuscuta subinclusa L. Ahart, John Dittes 2006-9-21 13342 Plumas On the south side of Bucks Lake Road, south of the spring at Bucks Summit, about 3 miles northeast of Bucks Lake. Comment
  CHSC94728  Cuscuta subinclusa Lowell Ahart 2006-11-21 13342 Plumas On the south side of Bucks Lake Road, south of the spring at Bucks Summit, about 3 miles northeast of Bucks Lake. 1516 Comment
  JEPS97324  Cuscuta subinclusa Lowell Ahart 1995-9-13 7638 Plumas NW side of Onion Valley, east of Quincy--LaPorte Rd., ca 1 mi NW of Pilot Peak 1828 Comment
  POM297939  Cycladenia humilis J. G. Lemmon s.n. Plumas Peaks of Plumas Co. Comment
  PASA888  Cycladenia humilis var. tomentosa Margaret Stason 1932-6-23 449 Plumas Road between Mineral and Viola Comment
  CHSC45880  Cymopterus terebinthinus var. californicus Lowell Ahart 1981-7-21 2957 Plumas In open areas on the Buzzards Roost Ridge, about 1/4 mile east of Qunicy La Porte Road, about 1 1/4 miles north of Pilot Peak. 1828 Comment
  CDA13932  Cynoglossum occidentale G. F. Hrusa, T. D. Wilfred 1997-5-3 13857 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
  CDA14027  Cynoglossum occidentale G. F. Hrusa, B. A. Smith 1996-8-8 13475 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
  CHSC21114  Cynoglossum occidentale F. T. Griggs; A. Pass 1975-7-1 21 Plumas Buck's Lake. East of Grizzly Creek. Comment
  JEPS102381  Cynoglossum officinale Lowell Ahart 2001-7-17 8910 Plumas about 2 1/2 air mi N of Humboldt Summit (E of a small branch of Butt Creek, sides of a poor logging road) 1828 Comment
  CAS-BOT-BC114131  Cyperus squarrosus John Thomas Howell 1926-7-26 2125 Plumas Near Prattville. 1371 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
  CAS-BOT-BC133731  Cypripedium californicum Lee W. Lenz 1954-6-8 19136 Plumas Field redacted by CAS, contact the data manager for more information Comment
  CHSC33878  Cypripedium fasciculatum M. S. Taylor 1981-5-29 3817 Plumas Ca. 50 to 100 ft up and s of Buckhorn Creek, ca. 2 ... Field redacted by CHSC, contact the data manager for more information 1584 Comment
  CHSC97183  Cystopteris fragilis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14017 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
  CDA17296  Damasonium californicum G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16324 Plumas Sierra Nevada; Few mi. E of Portola along Hwy 70, immed. adjacent to Hwy. 1554 Comment
  CAS-BOT-BC186626  Danthonia californica Lowell Ahart 1979-7-18 s.n. Plumas Ca. 2 mi NW of Pilot Pk. 1800 Comment
  SEINET10556361  Danthonia unispicata Lawrence P. Janeway 1992-5-22 Janeway 4202 Plumas T23N, R14E, SE 1/4 of Sec 28. Portola Quad. S side of Middle Fork Feather River, just S of railroad tracks; ca. 2.7 miles E of Portola. Opening in Yellow Pine Forest, N-facing slope with Artemisia tridentata, Wyethia mollis, Balsamorhiza saggitata. Comment
  CAS-BOT-BC76205  Darlingtonia californica Paul F. Covel 1937-7-20 786 b Plumas Approximately 6 miles north Quincy. Comment
  CDA25338  Darlingtonia californica G. D. Barbe 1977-8-16 2328 Plumas 0.6 mile west of road to Twain, 0.6 mile west of end of pavement; Butterfly Valley. 0 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
  HSC20169  Darlingtonia californica L. S. Rose 1968-6-11 68105 Plumas Butterfly Valley, 4 mi. S of Keddie. 1037 Comment
  RSA422677  Darlingtonia californica Robert Gustafson 1984-5-15 2948 Plumas Butterfly Botanical Area, 7 miles NW of Quincy, W of Hwy 89. 1037 Comment
  RSA84913  Darlingtonia californica Marie Lanfear 1928-6-12 s.n. Plumas Butterfly Valley, near Quincy Comment
  UCD119067  Darlingtonia californica Lewis S. Rose 1968-6-11 68105 Plumas Butterfly Valley, 4 mi. s. of Keddie. 1036 Comment
  UCD119071  Darlingtonia californica Barry Rice 2010-6-10 BR 100601 Plumas South of Butterfly Valley. Comment
  RSA0021441  Darlingtonia californica Dorothy Davis 1923-08 s.n. Plumas Near Feather River 1829 Comment
  SD8329  Darmera peltata Daniel Cleveland 1882-7-25 Plumas Big Meadows Comment
  CAS-BOT-BC179651  Delphinium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54261 Plumas About 2.5 miles southeast of Mt. Hough on the road to Quincy 1798 Comment
  SEINET7720705  Delphinium decorum Unknown 1883-1 Plumas Big Meadows Comment
  UCD95707  Delphinium depauperatum W. R. Powell 1968-7-2 1599 Plumas Along road around southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 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
  CHSC45505  Delphinium nudicaule Lowell Ahart 1976-6-14 1140 Plumas Near the edge of the West Branch of Hopkins Creek, about 10 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC9824  Delphinium nudicaule Mrs. H. C. Cantelow 1939-5-30 4266 Plumas N. Spanish Creek, 4 mi. W of Quincy Comment
  HSC25002  Delphinium nudicaule R. P. Maynard Jr. 1963-5-4 31 Plumas Lake Almanor, 7 mi. S on Hwy. 89 Comment
  SEINET8663348  Delphinium nudicaule C. Tanner 1999-5-7 s.n. Plumas Along "Powerline Road," between C. Roy Carmichael School and unincorporated town of Delleker. 1490 Comment
  SBBG25598  Delphinium nuttallianum C. B. Hardham 1961-6-16 7476 Plumas Diamond Peak [Diamond Mountain] Comment
  JEPS23505  Delphinium nuttallianum John W. Duffield 1937-5-29 Plumas near Quincy Q (a white stone 'Q'--an airplane signal--on hillslope just e of Quincy) Comment
  POM220717  Delphinium nuttallianum M. Canby 1929-5-12 161 Plumas 15 miles W of Portola Comment
  RSA107041  Delphinium nuttallianum E. K. Balls, Lee W. Lenz 1955-5-13 20700 Plumas Between Tobin and Camp Rogers, U.S. Hwy 40. 610 Comment
  CAS-BOT-BC121742  Delphinium patens subsp. patens John Thomas Howell 1951-6-27 27579 Plumas McRae Meadow 1981 Comment
  CHSC91595  Deschampsia cespitosa G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16279 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area. 1158 Comment
  CAS-BOT-BC192439  Deschampsia cespitosa subsp. cespitosa Mary S. Clemens 1920-6-8 15 Plumas Greenville Comment
  JEPS113646  Deschampsia danthonioides Lowell Ahart, John Dittes 2007-6-16 14096 Plumas On dry bare soil, graded road gutter, east of the small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UCD61397  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor. 1828 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
  UCD107940  Deschampsia elongata Tim Kuhn 2006-6-20 55 Plumas adjacent to Crocker Guard Station. Comment
  CAS-BOT-BC43507  Descurainia sophia David D. Keck 1932-7-3 1664 Plumas Quincy, within a few meters of main street. 1065 Comment
  SEINET12091634  Dicentra formosa Unknown 1984-1 11 Plumas ca 40 mi NE of Oroville and 160 yds W of the N. Fk. Feather River, along Jackass Creek 610 Comment
  CHSC41423  Dicentra uniflora Lowell Ahart 1986-6-4 5323 Plumas West of the small wash, south of the road where it crosses Onion Valley Creek, near Onion Valley, about 1 mile north-west of Pilot Pk., about 14 miles north-west of La Porte. 1828 Comment
  CAS-BOT-BC254475  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1976-7-15 51847 Plumas Snake Lake, about 4 miles NW of Quincy 1219 Comment
  CAS-BOT-BC254482  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1962-6-17 37652 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC209233  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1960-7-20 35771 Plumas Near steam vents and hotsprings, Boiling Springs Lake - Lassen Volcanic National Park 1798 Comment
  SEINET194964  Dichelostemma multiflorum A. A. Heller 1938-6-14 15159 Plumas Near Gray's Flat on the Feather River Highway 869 Comment
  CAS-BOT-BC502671  Dichelostemma multiflorum Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-12 2151 Plumas Pond reservoir 1097 Comment
  JEPS120754  Dieteria canescens var. canescens Lowell Ahart 2013-9-11 19025 Plumas On both sides of the paved road, on the north side of Antelope Lake, about 1/2 mile west of Antelope Creek, about 16 air miles NE of Taylorsville. Comment
  SJSU13906  Dieteria canescens var. canescens N. A. Hopkins 1986-6-24 1371 Plumas lower end of Red Clover Valley, 8 miles N of Beckwourth on Beckwourth-Genesee Road 1524 Comment
  JEPS113436  Dieteria canescens var. shastensis Lowell Ahart, John Dittes 2007-8-9 14446 Plumas On the north side of the poor dirt road, about 400 yards southwest of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  CHSC21558  Diplacus layneae L. M. Mayer; D. E. Brink Jr. 1975-7-2 Plumas Bucks Lake Floristic Survey. Found in the n portion of the section. Comment
  CAS-BOT-BC151823  Diplacus mephiticus Lowell Ahart 1986-7-25 5379 Plumas Along a side road, north of Cleghorn Bar Road, about 1 3/4 miles northwest of Finger Board, about 4 1/4 miles northwest of Pilot Peak 1828 Comment
  CAS-BOT-BC151824  Diplacus mephiticus L. P. Janeway 1989-6-9 3276 Plumas Forest along southwest side of Red Clover Valley - Beckwourth Ranger District, Plumas National Forest 1676 Comment
  CHSC66772  Diplacus mephiticus Vernon H. Oswald; Lowell Ahart 1996-8-14 8161 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Northern High Sierra Nevada. 1127 Comment
  CAS-BOT-BC151448  Diplacus nanus Wayne D. Dakan 1978-6-21 s.n. Plumas West side of Lake Almanor - Sierra Nevada Comment
  CAS-BOT-BC153948  Diplacus pygmaeus John Thomas Howell; H. Keith Wagnon 1980-5-27 53623 Plumas About 1.5 miles northwest of Almanor (near intersection of Highway 89 and Humboldt Road) 1389 Comment
  CAS-BOT-BC151256  Diplacus torreyi Mrs. H. C. Cantelow 1938-7-3 s.n. Plumas 4.3 miles north of Almanor Inn Comment
  CAS-BOT-BC151686  Diplacus torreyi Mrs. A. L. Combs 1912-9-1 s.n. Plumas Great Western Power Co. dam Comment
  RSA508618  Disporum hookeri var. hookeri Mrs. R. M. Austin 1888-9-7 s.n. Plumas Mill Creek Comment
  CAS-BOT-BC208629  Distichlis spicata Fred Sommers; Greg Sommers 1976-6-24 137 Plumas Sierra Valley Marsh, Marble Hot Springs - Sierra Nevada 1487 Comment
  SEINET8564046  Dodecatheon C. G. Gulling 1905-1 s.n. Plumas American Valley, near Quincy. Comment
  UC1001492  Dodecatheon hendersonii H. J. Thompson 1952-5-18 1535 Plumas 1.5 mi n Greenville (near Wolf Creek, se of Lake Almanor); se of Lake Almanor, n of Greenville nr Wolf Creek 1005 Comment
  RSA641458  Downingia bacigalupii Michael A. Vincent 1999-7-7 8539 Plumas Plumas National Forest; Beckwourth Ranger District. Along Rt. A23, just S of Rt. 70, SW of Beckwourth. Comment
  CHSC60276  Draba verna K. B. McShea 1992-4-24 4 Plumas At 53 Meyers St., Quincy. 975 Comment
  SEINET10448466  Draba verna Mary Susan Taylor 1981-5-10 Taylor 3680 Plumas T27N R13E nw/sw sec 19. Antelope Lake quad. E side of Antelope Lake, in and around large wet Pioneer Meadow, ca. 20 air mi ne of Taylorsville. 5040 ft. 1536 Comment
  RSA189334  Draperia systyla L. S. Rose 1967-7-12 67141 Plumas Cresta, N Fork, Feather River. 762 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
  SEINET10497033  Draperia systyla Mary Susan Taylor 1982-5-23 Taylor 4512 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
  CHSC50406  Drosera anglica Vernon Oswald 1990-6-22 4311 Plumas Domingo Lake, ca. 0.5 mi south of Willow Lake, ca. ... Field redacted by CHSC, contact the data manager for more information 1767 Comment
  CHSC102585  Drosera rotundifolia L. P. Janeway; B. Castro 2009-7-4 9848 Plumas Northern High Sierra Nevada. Upper end of Rock Isl ... Field redacted by CHSC, contact the data manager for more information 1576 Comment
  CAS-BOT-BC159671  Drymocallis glandulosa Gordon H. True; John Thomas Howell; Walter Knight; Irja Knight 1967-6-12 1958 Plumas Trestle Glen, Butterfly Botanical Area and vicinity 1112 Comment
  CAS-BOT-BC159679  Drymocallis glandulosa Lewis S. Rose 1963-6-3 63090 Plumas Butterfly Valley, 2 mi. sw of Keddie 1188 Comment
  CAS-BOT-BC535001  Drymocallis glandulosa var. reflexa Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2216 Plumas Butterfly Botanical Area and Vicinity, mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC159304  Drymocallis lactea var. lactea Ella Dales Cantelow 1939-5-20 4318 Plumas Indian Valley, S.E. of Prattville Comment
  CAS-BOT-BC159310  Drymocallis lactea var. lactea Alice Eastwood 1927-6-17 14639 Plumas Road from Long Valley to Greenville, United States Forest Reserve Comment
  CHSC54859  Dryopteris arguta Vernon H. Oswald 1991-9-11 4873 Plumas Domingo Spring on Chester-Wilson Lake Rd (Forest Rd 29N63; Plumas County Rd 311), ca. 7.5 miles (air) west-northwest of Chester. 1545 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
  RSA246598  Dulichium arundinaceum Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42313 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  UC1564757  Dulichium arundinaceum V. Oswald, L. Ahart and L. Hanson 1989-7-31 3901 Plumas 6.5 air mi n of La Porte (0.5 air mi w of Fowler Peak, at headwaters of Fowler (Slate) Creek); Fowler Creek 1670 Comment
  CAS-BOT-BC113792  Dulichium arundinaceum G. Schoolcraft 1997-8-5 2640 Plumas Small Lake E of Hay Meadow. 1908 Comment
  CHSC94669  Dysphania ambrosioides Lowell Ahart 2006-10-8 13411 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
  JEPS122327  Dysphania botrys Lowell Ahart 2014-9-9 19839 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  RSA59254  Echinochloa muricata var. microstachya E. K. Balls 1950-8-31 15550 Plumas Spanish Creek, off Hwy. 24, just north of Quincy. 1067 Comment
  SEINET10479913  Elatine Lowell Ahart 1985-7-11 Ahart 5122 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
  SEINET10904442  Elatine Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5176 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
  JEPS102826  Elatine chilensis Lowell Ahart 2001-8-29 9232 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC113709  Eleocharis acicularis Walter Knight; Irja Knight; John Thomas Howell 1966-8-27 1415 Plumas Vernal area SW of Pond Reservoir, Butterfly Botanical Area. 1097 Comment
  SEINET11750487  Eleocharis acicularis Unknown 1985-1 5137 Plumas Little Grass Valley Reservoir, where South Fork Feather River flows in lake ca 4.25 mi NE of LaPorte 1585 Comment
  JEPS102720  Eleocharis bella Lowell Ahart 2001-10-8 9325 Plumas In shallow water of an unnamed stream, east of Lost Cove, below the high water line of Antelope Lake, NE side of Antelope Lake, about 24 miles (air) NE of Quincy. 1522 Comment
  SD46727  Eleocharis bella Robert J. Weatherby 1950-7-28 1491 Plumas North edge of Taylorsville, islands in marsh 1096 Comment
  SEINET10467317  Eleocharis bella Lowell Ahart 1985-7-11 Ahart 5137 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
  CHSC78470  Eleocharis decumbens L. P. Janeway 2000-7-16 6915 Plumas Northern High Sierra Nevada. Meadow at head of East Branch Coldwater Creek. 1768 Comment
  CHSC81935  Eleocharis engelmannii L. P. Janeway 2001-7-25 7388 Plumas High Cascade Range. Southwest side of Lake Almanor, about 100 m out; near Hwy 89 2.3 km north-northwest of Almanor West Road. 1372 Comment
  SEINET3441877  Eleocharis engelmannii Unknown 2003-7-18 10427 Plumas La Porte, La Porte, about 4.5 air miles northwest, about 1.5 air miles northwest of Little Grass Valley Reservoir dam, about 1.5 miles southeast of Tamarack Flat, about 0.25 miles west of Lumpkin Ridge Road, north side of the road 1700 Comment
  CAS-BOT-BC113386  Eleocharis engelmannii var. detonsa Clarence Roy Quick 1952-9-5 52 -304 Plumas Wet place NW of Almanor Comment
  CHSC32863  Eleocharis macrostachya L. Ahart 1980-10-6 2680 Plumas On the floor of a hydraulic mine, ca. 1 mi s of La Porte. 1600 Comment
  SEINET13710085  Eleocharis macrostachya Lowell William Ahart, Lowell William Ahart 2000-1 8382 Plumas 5 Air Mi. NE of Quincy, Butterfly Valley (T25N, R9E, sec 28, SW 1/4) 3300 Ft. 1006 Comment
  JEPS102457  Eleocharis quinqueflora Lowell Ahart and Vernon H. Oswald 2001-7-11 8889 Plumas Meadow, on the east side of the dirt road, about 1/4 mile NW of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) NW of Greenville. 1447 Comment
  SEINET7587009 Image available Eleocharis quinqueflora Lowell Ahart 2000-5-21 8384 Plumas Butterfly Valley, about 5 miles (air) northwest of Quincy. 1006 Comment
  UC1586454  Eleocharis suksdorfiana Vernon H. Oswald and Lowell Ahart 1991-7-30 4793 Plumas 12 air mi S of Chester (Big Springs, within fenced enclosure; 6 air mi ENE of Humbug Summit); Humbug Valley, W side 1310 Comment
  RSA0049657  Eleocharis torticulmis Dean Wm. Taylor 2011-8-1 21135 Plumas Butterfly Valley (Butterfly Valley Botanical Area, 2 air miles SW of Keddie) 1173 Comment
  SEINET10501559  Elodea canadensis Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4977 Plumas T22N R11E nw/se sec 26. Sierra City NW quad. Plumas-Eureka State Park, on Beaver trail at s end of Jamison Creek Campground, ca. 2 mi sw of Johnsville. 5620 ft. 1713 Comment
  SEINET10869664  Elodea nuttallii Mary Susan Taylor 1981-9-3 Taylor 4264 Plumas California: T26N R9E nw1/4 of sw1/4 sec 15. Greenville SW quad. N tip of Round Valley Reservoir by road 204, ca. 3 air mi S of Greenville. Plumas County. 4500 ft. 1372 Comment
  CAS-BOT-BC197353  Elymus W. W. Wagner 1919-6-7 277 Plumas Sockum Creek, Vicinity of Quincy 1310 Comment
  SEINET10558291  Elymus cinereus Frederick J. Hermann 1955-7-27 Hermann 11944 Plumas Sage brush - rabbit brush plain along highway, 3 1/2 miles S. Vinton. Comment
  CAS-BOT-BC227727  Elymus elymoides Clare B. Hardham 1975-8-2 20466 Plumas Black Mt. 2133 Comment
  CAS-BOT-BC227728  Elymus elymoides Lowell Ahart 1977-7-9 1506 Plumas 6 miles north of La Porte 1800 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
  CHSC24280  Elymus elymoides subsp. elymoides K. R. Stern 1975-7-1 Plumas W side of Lake Almanor. Comment
  UCR123674  Elymus elymoides subsp. elymoides George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6876 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  CDA18576  Elymus glaucus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3304 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  CAS-BOT-BC206517  Elymus glaucus subsp. glaucus John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2213 Plumas Mouth of Butterfly Creek - Butterfly Botanical Area and Vicinity 883 Comment
  CAS-BOT-BC206518  Elymus glaucus subsp. glaucus John Thomas Howell 1959-9-26 35054 Plumas Near Virgilia - Sierra Nevada 841 Comment
  CAS-BOT-BC206799  Elymus glaucus subsp. glaucus David D. Keck 1944-7-8 5427 Plumas 1 mile N of Quincy across Spanish Creek 1066 Comment
  CHSC69229  Elymus glaucus subsp. jepsonii James D. Jokerst; Lowell Ahart 1985-10-4 2588 Plumas Pilot Peak serpentine NE of La Porte. Top edge of serpentine. Comment
  CHSC63488  Elymus sierrae Lowell Ahart 1994-7-20 7484 Plumas Plumas and Sierra counties. North of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  CAS-BOT-BC204402  Elymus trachycaulus subsp. trachycaulus W. Harnach; N. Harnach 1991-6-29 594 Plumas Sierra Valley. 4 miles north of Loyalton, CA on Co. rd. A-24 (6 mile rd.) 1490 Comment
  SEINET12755588  Elymus triticoides S. B. Doten 1901-6-16 s.n. Plumas NE of Sierra Valley. Comment
  SBBG32406  Elytrigia intermedia L. S. Rose 1968-6-10 68088 Plumas Quincy 1036 Comment
  JEPS107694  Elytrigia intermedia subsp. intermedia Lowell Ahart, John Dittes 2005-9-20 12459 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
  RSA794790  Elytrigia intermedia subsp. intermedia L. Ahart, John Dittes 2009-7-13 16040 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  CAS-BOT-BC81884  Ephedra viridis Clare B. Hardham 1978-8-11 21783 Plumas about 5 miles southeast of Thompson Peak Comment
  UC1134413  Ephedra viridis C. W. Hanks 1934-8-14 51 Plumas ne <end> Sierra Valley; Sierraville Quad., Plumas National Forest Comment
  CHSC44970  Epilobium K. R. Stern 1985-6-25 8200 Plumas Vicinity of Blairsden. 1402 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-BC165924  Epilobium John Thomas Howell; H. Keith Wagnon 1980-5-26 53600 Plumas Near Rich Bar, East Branch of Feather River North Fork 762 Comment
  JEPS43853  Epilobium brachycarpum W. L. Jepson 1939-8-16 19428 Plumas Portola Comment
  RSA252404  Epilobium brachycarpum Robert F. Thorne, C. W. Tilforth 1969-9-6 39230 Plumas S of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  RSA59118  Epilobium brachycarpum E. K. Balls 1950-8-31 15522 Plumas Hwy 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  JEPS118389  Epilobium canum subsp. latifolium Lowell Ahart 2011-9-17 17674 Plumas On the south side of the paved road, about 50 yards south of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  CHSC81623  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2001-10-8 9310 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  JEPS33713  Epilobium ciliatum subsp. ciliatum John Thomas Howell 1926-7-31 2177 Plumas near Prattville 1463 Comment
  POM46384  Epilobium ciliatum subsp. ciliatum Marcus E. Jones 1897-7-2 s.n. Plumas Near Prattville at Mt. Meadow. 1677 Comment
  SD130484  Epilobium ciliatum subsp. ciliatum Walter Knight, Irja Knight and John Thomas Howell 1966-7-26 1616 Plumas Fern Glen along roadside. 1096 Comment
  CHSC65343  Epilobium ciliatum subsp. glandulosum Lowell Ahart 1995-10-1 7650 Plumas On the bottom of a pond, (reservoir dam washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  RSA755447  Epilobium ciliatum subsp. glandulosum L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16148 Plumas 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
  CHSC53688  Epilobium densiflorum L. P. Janeway 1989-7-18 3495 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
  CHSC91907  Epilobium densiflorum Lowell Ahart; Josephine Guardino 2005-8-9 12260 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
  JEPS124094  Epilobium densiflorum Lowell Ahart 2015-6-7 20221 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  SEINET12868083  Epilobium densiflorum W. Harnach, N. Harnach 1990-7-29 483 Plumas Sierra Valley, Marble land near the hot wells 1487 Comment
  CDA13380  Epilobium glaberrimum subsp. glaberrimum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13229 Plumas Sierra Nevada; Upper Bull Run Creek off USFS 23N12E, about 1/4 mile below headwater springs. Comment
  CHSC102084  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart; John Dittes 2009-7-13 16048 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC21653  Epilobium glaberrimum subsp. glaberrimum D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake. Comment
  CHSC21671  Epilobium glaberrimum subsp. glaberrimum D. Brink; L. Mayer 1975-7-11 Plumas Buck's Lake. Comment
  JEPS115178  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart, John Dittes 2009-7-13 16048 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  JEPS87820  Epilobium hornemannii subsp. hornemannii Lowell Ahart 1994-7-22 7505 Plumas about 0.5 mi e Mount Etna (on s side of Pacific Crest Trail); Sierra Nevada, Mount Etna 1981 Comment
  UC1594608  Epilobium luteum Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson, and Tyleasi Martin 1992-8-20 5172 Plumas Forest Rd 23N10 between junction of 22N19 and Hopkins Creek (ca 2.25 air mi ese of Pilot Pk., ca 9 air mi ne of La Porte) 1706 Comment
  CDA18671  Epilobium minutum G. D. Barbe, T. C. Fuller 1982-6-15 3733 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  RSA77993  Epilobium minutum Verne Grant, Alva Grant 1948-6-13 8583 Plumas Lava Cap, 1 mile from Cascade on Oroville road. 1372 Comment
  CHSC54531  Epilobium oregonense Vernon H. Oswald 1991-8-8 4820 Plumas Lassen Volcanic Park. Just north of the south boundary of the park at Willow Lake, ca. 3 miles (air) southeast of Drakesbad. In a meadow. 1658 Comment
  SFV11561  Equisetum M. L. Vincent 1967-7-1 s. n. Plumas 2 miles from entrance of Caribou Road. Comment
  CAS-BOT-BC56996  Equisetum arvense Walter Knight; Irja Knight 1966-6-18 1360 Plumas Near Pond Reservoir, Butterfly Valley 1097 Comment
  CAS-BOT-BC57001  Equisetum arvense Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC33823  Equisetum arvense M. S. Taylor; M. Foster 1981-6-2 3829 Plumas Entering Greenhorn and Estray Creeks, w side of Williams Loop, ca. 0.2 mi s of Spring Garden overpass on Hwy 70, ca. 7.5 mi se of Quincy. 1188 Comment
  CAS-BOT-BC57003  Equisetum arvense John Thomas Howell; Gordon H. True 1967-7-9 43257 Plumas North Fork of Feather River 4.3 miles southwest of Caribou 792 Comment
  CHSC97712  Equisetum laevigatum Lowell Ahart; John Dittes 2007-6-17 14168 Plumas Wet bare 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-BC57395  Equisetum laevigatum John Thomas Howell 1951-6-29 27742 Plumas Near Spring Garden 1219 Comment
  CAS-BOT-BC57400  Equisetum laevigatum John Thomas Howell 1966-7-28 42007 Plumas Along highway, 5 miles n. of Quincy on road to Keddie Comment
  SEINET6031530  Equisetum laevigatum J. T. Howell, G. H. True, Jr. 1968-6-10 44548 Plumas Quincy 1036 Comment
  CAS-BOT-BC174150  Eremogone aculeata A. A. Heller; P. B. Kennedy 1907-7-3 8703 Plumas Hills above Red Clover Valley Comment
  CHSC92523  Eremogone cliftonii Samantha Mackey Hillaire; Matt Brown 2005-6-20 1226 Plumas Near Lower Buck's Lake. On flat area above rd 24N36. UTM 10 S 0646885, 4417733. 1524 Comment
  CHSC75487  Eremogone congesta var. congesta G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3098 Plumas Reservoir shore 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CAS-BOT-BC174211  Eremogone congesta var. congesta L. P. Janeway 1993-7-15 4451 Plumas Top of divide between upper Spanish Creek and East Branch North Fork Feather River (above Virgilia). Along Rd 25N59 0.5 mi west of Rd 25N17. Plumas National Forest, Quincy Ranger Station 1609 Comment
  CAS-BOT-BC174294  Eremogone congesta var. suffrutescens Rimo Bacigalupi 1927-7-10 1673 Plumas In Gold Lake Region 2103 Comment
  JEPS29565  Ericameria bloomeri John Thomas Howell 1960-8-20 36282 Plumas near Drakesbad (Kelly Camp; near Lassen Volcanic National Park) 1615 Comment
  RSA201321  Ericameria bloomeri J. T. Howell 1960-8-20 36282 Plumas Kelly Camp, near Drakesbad. 1616 Comment
  SD112579  Ericameria bloomeri Darley F. Howe 1960-9-21 2988 Plumas 10 miles from junction with Highway 89 on road to Susanville 1675 Comment
  UC1037325  Ericameria bloomeri Leo Whitney 1934-8-19 1893 Plumas 9 mi n Mohawk and Blairsden (w slope Grizzly Ridge); Plumas National Forest, Grizzly Ridge 2133 Comment
  UC1777684  Ericameria linearifolia June McCaskill 1956-1 422 Plumas Lake Almanor region? Comment
  CHSC69509  Ericameria nauseosa var. oreophila Lowell Ahart 1997-9-11 7903 Plumas On the west edge of Caribou Road, on the west side of the North Fork of the Feather River, about 1/2 mile south of Mosquito Creek, about 4 1/2 miles (air) northeast of Belden. 792 Comment
  CAS-BOT-BC294287  Ericameria nauseosa var. speciosa Milo S. Baker 1926-8-23 296 c-'26 Plumas Lee's Camp Comment
  CAS-BOT-BC294288  Ericameria nauseosa var. speciosa John Thomas Howell 1959-9-25 35021 Plumas Summit of Beckwourth Pass 1588 Comment
  CHSC44859  Ericameria nauseosa var. speciosa Lowell Ahart 1974-10-1 650 Plumas On the west part of Buzzards Roost Ridge, about 1 mile north of Onion Valley, north of Pilot Peak. 1981 Comment
  CHSC64068  Ericameria nauseosa var. speciosa L. P. Janeway 1993-9-28 4604 Plumas Plumas National Forest. 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
  CHSC84988  Ericameria nauseosa var. speciosa Lowell Ahart 2003-10-17 10642 Plumas Above the cliffs northeast of Humboldt Peak, about 3/4 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2133 Comment
  JEPS113427  Ericameria nauseosa var. speciosa Lowell Ahart, John Dittes 2007-8-9 14430 Plumas About 30 yards west of the poor dirt road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  JEPS114597  Ericameria nauseosa var. speciosa Lowell Ahart 2008-9-10 15360 Plumas On both sides of the Quincy La Porte Road, northwest of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1593 Comment
  JEPS95180  Ericameria parryi var. latior Vernon H. Oswald and Lowell Ahart 1996-7-15 8284 Plumas 1.6 mi s of Last Chance Campground (Forest Road 29N11 on e side of Last Chance Marsh at the n end of Lake Almanor); High Cascade Range, Last Chance Marsh, Lake Almanor 1371 Comment
  CAS-BOT-BC293019  Ericameria parryi var. nevadensis E. K. Balls 1950-9-4 15672 Plumas Feather River Experiment Station, 4 miles north of Quincy 1219 Comment
  CAS-BOT-BC293031  Ericameria parryi var. nevadensis L. P. Janeway 1993-8-10 4514 Plumas Plumas National Forest, Beckwourth Ranger District. 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
  UC203269  Ericameria parryi var. nevadensis I. M. Johnston 1919-9-2 2180 Plumas Portola Comment
  CHSC63115  Erigeron barbellulatus Lowell Ahart 1994-7-7 7457 Plumas Plumas-Sierra counties. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  CHSC72430  Erigeron barbellulatus L. P. Janeway 1998-7-31 5904 Plumas About 0.6 mi south of Pilot Peak; along Pacific Crest Trail at junction of Bunker Hill Ridge and Gibsonville Ridge. 2072 Comment
  SEINET8078520 Image available Erigeron bloomeri var. bloomeri W. Harnach, N. Harnach 1989-5-27 116 Plumas Sierra Valley, 2.6 miles S of Hwy 70 on Co. Rd. A-23, at the gate to the old Pat Nobel barn and homesite Comment
  SJSU14719  Erigeron bloomeri var. bloomeri N. A. Hopkins 1991-7-3 1701 Plumas near Doyles Crossing 20 miles N of Red Clover Valley by road to Janesville 1524 Comment
  CHSC81096  Erigeron canadensis Lowell Ahart 2001-8-29 9269 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CDA13376  Erigeron divergens G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13225 Plumas Sierra Nevada; near inter. of Hwy. 70 & Sloat Rd. approx. 3 m. E of Spring Garden. Comment
  CHSC41207  Erigeron divergens J. D. Jokerst 1984-7-11 2099 Plumas Along the edges of Beckwourth-Genesee Road ca. 1.1 miles NW of Drum Bridge, east end of Genesee Valley. Comment
  JEPS41784  Erigeron divergens W. L. Jepson 1939-8-16 19431 Plumas Portola Comment
  CDA4931  Erigeron divergens T. C. Fuller 1968-7-1 17321 Plumas 1 block north of Highway 70, Beckwourth. 0 Comment
  RSA302614  Erigeron divergens J. R. Shevock 1972-5-19 1792 Plumas Near Greenville, Hwy. 89 915 Comment
  CAS-BOT-BC300407  Erigeron eatonii var. plantagineus L. P. Janeway 1992-5-22 4199 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-BC300408  Erigeron eatonii var. plantagineus L. P. Janeway; Jannice Cutler 1992-5-28 4208 Plumas Plumas National Forest, Beckwourth Ranger District. Along road into southwest side of Dotta Canyon 0.6 mi east of Beckwourth-Genesee Road 1697 Comment
  SBBG133127  Erigeron eatonii var. plantagineus B. C. Templeton 1968-1 11278 Plumas unknown Comment
  CAS-BOT-BC300839  Erigeron glacialis var. glacialis Margaret Williams; Emily McPhersen 1974-8-5 74 -P-19 Plumas Above Silver Lake. Trail to Mt. Elwell, Lakes Basin 2072 Comment
  CAS-BOT-BC300845  Erigeron glacialis var. glacialis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  SD9018  Erigeron glacialis var. glacialis Mrs. R. M. Austin 1882-8-9 Plumas King's Valley Comment
  CAS-BOT-BC295217  Erigeron inornatus Anna Head 1920-6-9 s.n. Plumas Camp Rodgers, Feather River Region 701 Comment
  CAS-BOT-BC295218  Erigeron inornatus Lewis S. Rose 1932-9-6 32633 Plumas Jamison Mine 1676 Comment
  CDA14744  Erigeron inornatus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3289 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  JEPS114509  Erigeron inornatus var. inornatus Lowell Ahart 2008-8-13 15165 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  JEPS41434  Erigeron inornatus var. inornatus J. G. Lemmon 1046 Plumas near Greenville Comment
  JEPS112915  Erigeron lassenianus var. deficiens Dean W. Taylor 2001-8-1 17872 Plumas Sawpit Flat, along the Forest Road 23N24 from Quincy-La Porte Highway towards Cleghorn Bar 1920 Comment
  CAS-BOT-BC295488  Erigeron lassenianus var. lassenianus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54168 Plumas 3.25 miles west of Round Valley Reservoir dam 1633 Comment
  CAS-BOT-BC295487  Erigeron lassenianus var. lassenianus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54203 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  CAS-BOT-BC295790  Erigeron petrophilus var. sierrensis Lowell Ahart 1981-7-21 2945 Plumas Above the head of Dixon Creek, 1/8 mi. below the Buzzards Roost Ridge, ca. 1.5 mi. N of Pilot Peak 1800 Comment
  CHSC30930  Erigeron petrophilus var. sierrensis M. S. Taylor; W. Dakon, T. Griggs 1980-9-27 3346 A Plumas Ca. 1/4 mi s of Bucks Lake-Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca. 20 mi sw of Quincy. 1645 Comment
  SEINET11268225  Erigeron petrophilus var. sierrensis Lowell Ahart 1993-9-10 7225 Plumas Near the west side of the South Fork of the Feather River, on the north side of the dirt road, about 1 (air) mile south west of Pilot Peak.; 0 Comment
  CAS-BOT-BC300129  Erigeron pumilus var. intermedius M. S. Taylor 1982-6-28 4769 Plumas Ramelli Ranch, between Calpine Rd and Hwy 70, ca. 1 mi w of Beckwourth 1487 Comment
  JEPS21092  Eriodictyon californicum C. G. Albertus 1935-8-9 259 Plumas 4 1/2 mi NE of Quincy; Plumas National Forest, Downieville Quad. Comment
  CHSC53045  Eriogonum douglasii var. meridionale L. P. Janeway 1989-6-23 3384 Plumas Plumas National Forest. Upper w-facing slope on ridge between Crocker Mdw and Dotta Cr. 1889 Comment
  NY571233  Eriogonum elatum S. L. Welsh 2001-6-13 28136 Plumas West end of Dixie Valley, north of Beckwourth 1711.5 Comment
  CAS-BOT-BC246537  Eriogonum elatum var. elatum Clare B. Hardham 1970-8-9 17716 CC Plumas Road to Thompson Peak Lookout 2133 Comment
  SEINET10479810  Eriogonum elatum var. elatum Mary Susan Taylor 1981-7-13 Taylor 4004 Plumas T23N R14E nw/sw sec 26 and ne/se sec 27, Portola quad; Ramelli Ranch, E side, S of Feather River, ca. 2 mi ESE of Beckwourth. 4800 ft elev. Sagebrush Scrub in dry sandy soil. 1463 Comment
  CAS-BOT-BC267333  Eriogonum luteolum var. pedunculatum John Thomas Howell 1974-9-20 50897 Plumas About 2 miles from Spring Garden on road to Quincy, Sierra Nevada 1158 Comment
  UC174722  Eriogonum marifolium A. A. Heller with P. B. Kennedy 1907-7-3 8707 Plumas hills above Red Clover Valley 1676 Comment
  SEINET11935012  Eriogonum marifolium L. P. Janeway 1989-1 3294 Plumas Crocker Moutain, forest along side of Red Clover Valley. Yellow pine forest, gentle slope Comment
  CAS-BOT-BC263303  Eriogonum marifolium var. marifolium John Thomas Howell; Gordon H. True 1967-7-11 43342 Plumas Summit ridge of Mt. Hough 2194 Comment
  CAS-BOT-BC263304  Eriogonum marifolium var. marifolium John Thomas Howell; Gordon H. True 1967-7-11 43343 Plumas Summit ridge of Mt. Hough 2194 Comment
  CAS-BOT-BC263310  Eriogonum marifolium var. marifolium Robert J. Weatherby 1955-6-22 1539 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC263312  Eriogonum marifolium var. marifolium Anna Head 1921-6-23 s.n. Plumas Lake Center Camp, Feather River Region Comment
  RSA759518  Eriogonum marifolium var. marifolium James L. Reveal 2007-6-4 8837 Plumas Along California Highway 26/89 near Lost Creek Maintenance Station east of Saint Bernard and the Tehama County line, about 8.4 miles west of Chester. 1498 Comment
  CAS-BOT-BC264816  Eriogonum nudum var. deductum John Thomas Howell 1973-7-9 49720 Plumas Round Valley, Sierra Nevada 1371 Comment
  CHSC24261  Eriogonum nudum var. nudum K. R. Stern 1974-7-24 Plumas S end of Lake Almanor. Comment
  CAS-BOT-BC261604  Eriogonum nudum var. nudum L. P. Janeway 1989-7-6 3458 Plumas Beckwourth Ranger District, Plumas National Forest. Above Jackson Cr and Middle Fk Feather River; 2.3 mi from Hwy 70/89 on rd 23N11, then 1.1 mi on rd 23N48 1645 Comment
  CHSC39086  Eriogonum nudum var. pubiflorum R. A. Schlising 1981-8-2 4177 Plumas Just n of Butte County line, ne of Humboldt Peak; in basin draining into Scotts John Creek. 2011 Comment
  CAS-BOT-BC269947  Eriogonum spergulinum var. reddingianum Robert J. Weatherby 1950-8-11 1522 Plumas Side of Mt. Elwell, Lakes Basin Area 2225 Comment
  RSA325141  Eriogonum spergulinum var. reddingianum M. S. Taylor 1981-7-13 3990 Plumas Ferris Creek quad. N side of 25N25Y, in dry sandy soil among sagebrush openings, near head of Ferris Creek, 12 mi. E. of Doyle. 2165 Comment
  NY283441  Eriogonum sphaerocephalum var. halimioides R. M. Austin 1880-1 s.n. Plumas Comment
  CAS-BOT-BC262749  Eriogonum strictum var. anserinum Alice Eastwood 1918-5-25 7041 Plumas Portola Comment
  CHSC97165  Eriogonum strictum var. anserinum Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14022 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
  CAS-BOT-BC262781  Eriogonum strictum var. proliferum L. P. Janeway 1989-6-30 3449 Plumas Beckwourth Ranger District, Plumas National Forest. Along 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
  CDA13757  Eriogonum umbellatum var. dumosum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13489 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Comment
  NY399135  Eriogonum umbellatum var. dumosum Anonymous s.n. Plumas Comment
  CAS-BOT-BC262071  Eriogonum umbellatum var. nevadense Gladys L. Smith 1959-6-20 1250 Plumas Plumas - Sierra county line on Gold Lake to Feather River route 1828 Comment
  CAS-BOT-BC262079  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-6-7 4612 Plumas On open ridge between Ramelli Ranch and Portola, ca. 2 mi e of Portola 1737 Comment
  CAS-BOT-BC265167  Eriogonum umbellatum var. nevadense Mary Strong Clemens 1920-6-23 s.n. Plumas Crystal Lake Comment
  CAS-BOT-BC265168  Eriogonum umbellatum var. nevadense Lewis S. Rose 1934-7-23 34420 Plumas Chilcoot Comment
  UC1032275  Eriogonum umbellatum var. nevadense C. W. Hanks 1934-8-9 27 Plumas mtns. n Sierra Valley; Plumas National Forest, Sierraville Quadrangle 1859 Comment
  SEINET10479559  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1982-8-18 Taylor 5011 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Mt Ingalls summit, ca. 9 air mi ne of Sloat. Open exposed rocky area; 8370 ft. 2551 Comment
  SEINET10479563  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1982-8-5 Taylor 4925 Plumas T25N R10E nw/se sec 8. Greenville SW quad. Mt Hough summit, ca. 7 air mi nne of Quincy. 7230 ft. 2204 Comment
  JEPS94500  Eriogonum umbellatum var. polyanthum Vernon Oswald and Lowell Ahart 1997-9-18 8875 Plumas 4.25 air mi w of Caribou (on Forest Road 26N25 to Mosquito Creek, 2.6 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1411 Comment
  LA207055  Eriogonum umbellatum var. polyanthum C. W. Hallis; 1928-6-30 sn Plumas Mount Lassin National Forest, From the inside of the crater of Cinder Cave, Drakesbad 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-BC262255  Eriogonum ursinum Margaret J. Williams; Betty Larson 1983-8-12 83- 135 -1 Plumas W side of the Sierra Nevada, near Jamison Creek, above Johnsville 1676 Comment
  SEINET11924837  Eriogonum ursinum Unknown 1979-1 2003 Plumas Bear Valley, about 1 mi W of Pilot Peak, about 12 mi NE of La Porte, Red Fir Forest 1707 Comment
  UC1395159  Eriogonum ursinum James L. Reveal 1971-6-23 2468 Plumas 4 mi nw Greenville (along California Highway 89, about 4 mi se of Canyondam) 1219 Comment
  UC635434  Eriogonum ursinum Herbert L. Mason 1924-6-19 1068 Plumas near base of Mt. Elwell; Bear Lake Comment
  CHSC34730  Eriogonum ursinum var. ursinum M. S. Taylor; M. Foster 1981-6-15 3895 Plumas S side of Bucks Lake Rd, ca. 50 ft e of its jct with 24N29, ca. 2 mi ne of Meadow Valley. 1158 Comment
  CHSC45479  Eriogonum ursinum var. ursinum Lowell Ahart 1979-7-18 2004 Plumas Growing on bare broken rock, about 1 mile west of Pilot Peak, about 12 miles north-east of La Porte. 1706 Comment
  CHSC65823  Eriogonum ursinum var. ursinum L. P. Janeway 1995-7-23 4868 Plumas Hartman Bar Ridge; south side of top of Franklin Hill. 1737 Comment
  CAS-BOT-BC264126  Eriogonum vimineum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2184 Plumas Mouth of Butterfly, Butterfly Botanical Area and vicinity 883 Comment
  CHSC97030  Eriogonum vimineum L. P. Janeway; B. Castro 2007-6-23 9069 Plumas Northern High Sierra Nevada. Upper end of lower Thompson Valley 1.9 km north of Red Clover Creek, 10 m southwest of the creek channel. 1673 Comment
  JEPS95126  Eriogonum vimineum Lowell Ahart 1997-9-11 7905 Plumas about 1/2 mi s of Mosquito Creek (about 4 1/2 air mi ne of Beldon, on the e edge of Caribou Road, on w side of the North Fork of the Feather River); North Fork of the Feather River 792 Comment
  NY399612  Eriogonum vimineum R. M. Austin 1876-1 290 Plumas Comment
  RSA59256  Eriogonum vimineum E. K. Balls 1950-8-31 15545 Plumas Spanish Creek off Hwy 24, just N of Quincy. 1067 Comment
  LA203596  Eriophyllum lanatum Lincoln Constance; 1933-7-5 E 116 Plumas 1 mi. W of Keddie Comment
  CAS-BOT-BC301312  Eriophyllum lanatum var. croceum Lewis S. Rose 1969-6-24 69050 Plumas Butterfly Valley, 3 mi. west of Keddie 1158 Comment
  CHSC93085  Eriophyllum lanatum var. grandiflorum L. P. Janeway 1994-7-8 4691 Plumas Northern High Sierra Nevada. Hartman Bar Ridge; slope north of Road 22N94 on south side of Franklin Hill. 1706 Comment
  UC298459  Eriophyllum lanatum var. grandiflorum A. A. Heller 1913-6-13 10855 Plumas near Quincy 1066 Comment
  CAS-BOT-BC308270  Eriophyllum lanatum var. integrifolium Lincoln Constance 1933-7-5 117 Plumas 1 mile north of Indian Fall Comment
  CAS-BOT-BC308272  Eriophyllum lanatum var. integrifolium Alice Eastwood 1927-6-19 14712 Plumas Keddie Comment
  SEINET8687369 Image available Eriophyllum lanatum var. integrifolium W. Harnach, N. Harnach 1990-6-13 365 Plumas Sierra Valley, W of Beckwourth, Ramelli Ranch 1487 Comment
  RSA88448  Eryngium alismifolium J. T. Howell 1951-8-20 28220 Plumas Indian Valley 1098 Comment
  CHSC11109  Erysimum capitatum var. capitatum Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  RSA7881  Erysimum capitatum var. capitatum H. A. Barker 1927-7-6 783 Plumas Indian Head Peak, Gold Lake. 2073 Comment
  CAS-BOT-BC55105  Erysimum perenne Rimo Bacigalupi 1927-7-8 1662 Plumas Western edge of Long Lake. Comment
  SEINET14196936  Erythranthe breweri A. A. Heller, P. B. Kennedy 1907-7-8 8753 Plumas Red Clover Valley. Comment
  CHSC20740  Erythranthe pulsiferae K. R. Stern 1975-7-25 5878 Plumas N shore of Lake Almanor. 1371 Comment
  OBI76986  Erythranthe pulsiferae Anthony Baniaga 2011-7-26 473 Plumas Lassen Natl Forest. N of 32N10W, ca 1/4 mi W of Bailey Crk. Red Cinder quad T29N R7E sec 10 SE of SE 1737 Comment
  CAS-BOT-BC487624  Erythranthe suksdorfii Louis K. Mann; Pat Mann 1963-6-17 s.n. Plumas Along US Hwy 395, 1--2 mi N of its junction with US Alternate 40 (this location transcribed from collector's handwritten notes; may be erroneous and location actually in Nevada) Comment
  CHSC39378  Erythronium purpurascens L. Ahart; P. Ahart 1983-8-17 4336 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  RSA71128  Erythronium purpurascens Lewis S. Rose 1951-6-28 51051 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  CAS-BOT-BC505254  Erythronium purpurascens Elmer I. Applegate 1929-6-21 5802 Plumas Drakesbad, head of Warner Valley, Mt. Lassen National Park Comment
  SEINET10528917  Erythronium purpurascens John G. Lemmon Lemmon 12159 Plumas High valleys, Sierra to Plumas County. Well worthy cultivation. Comment
  UC1075911  Erythronium purpurascens E. K. Balls and L. W. Lenz 1955-5-14 20706 Plumas sw Greenville; Forest Lodge 1127 Comment
  CAS-BOT-BC403355  Eschscholzia californica Alice Eastwood 1927-6-27 14870 Plumas United States Forest Reserve. Chilcott [Chilcoot] Comment
  CHSC9711  Eschscholzia californica 1971-7-11 78 Plumas On top of cliff along w side of road ca. 1.3 mi so of Belden turnoff and Hwy 70. 1025 Comment
  SEINET3160626  Eschscholzia californica E. K. Balls 1950-9-6 15692 Plumas 3.1 mi. e. of turn to Sloat, between Quincy and Portola, Hwy 24 1250 Comment
  UC726211  Eschscholzia californica A. A. Heller 1938-7-2 15239 Plumas 3 mi e Quincy 1097 Comment
  SEINET5339912  Eschscholzia californica A. A. Heller, P. B. Kennedy 1907-7-7 8763 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  CAS-BOT-BC176959  Eucephalus breweri J. Semple; S. Heard 1986-8-13 8417 Plumas [LaPorte] La Porte Rd., 2 mi. E of [LaPorte] La Porte, at turnoff to Quincy Comment
  CAS-BOT-BC310386  Eucephalus breweri M. S. Taylor 1981-7-17 4032 Plumas Bear Lakes trail in Lakes Basin; ca. 1/2 mi s of jct of trail to Gold Lake Lodge, ca. 6 air mi s of Mohawk 1981 Comment
  CHSC108717  Eucephalus breweri B. Castro; L. P. Janeway 2003-9-7 1455 A Plumas High Cascade Range. Caribou Wilderness Area, ca 0.6 mi NW of Hay Meadow and 0.4 mi NW of Indian Meadow, along E side of trail off S end of large unnamed wet meadow. Large plts scattered in one patch between trail and creek feeding Indian Meadow. 2017 Comment
  CHSC52721  Eucephalus breweri L. P. Janeway 1990-7-27 3818 Plumas Plumas National Forest. Betweent the two upper forks of Paradise Cr, ca 1 1/4 mi SW of Little Summit Lake. 2042 Comment
  SD9118  Eucephalus breweri R. M. Austin 1881-1 Plumas Mt. Dyer 2135 Comment
  CDA20081  Euphorbia myrsinites T. Gibson 2002-11-15 PDR 1089395 Plumas Sierra Nevada; Vicinity of Quincy. 0 Comment
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Jun 12 2017
  UC1585870  Eurybia integrifolia Barbara Ertter 1988-7-25 7856 Plumas Diamond Mts ca 15 air miles due S of Susanville, sheep camp on Pierce Creek Comment
  UC1119644  Eurybia radulina G. T. Nordstrom 1934-7-9 210 Plumas 1 1/4 mi se of Mt. Ararat (Bidwell Bar Quad.); Bidwell Bar 1584 Comment
  CHSC34895  Euthamia occidentalis M. S. Taylor 1981-9-2 4269 Plumas N tip of Round Valley Reservoir, by rd 204, ca. 3 air mi s of Greenville. 1371 Comment
  JEPS98999  Euthamia occidentalis Lowell Ahart 2001-10-16 9368 Plumas On the south side of a small stream, and on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1365 Comment
  POM312331  Euthamia occidentalis Malcolm A. Nobs, S. Galen Smith 1949-8-19 1455 Plumas Marshy pond on SE side of Portola Comment
  CHSC80910  Festuca idahoensis Lowell Ahart 2001-7-19 8953 Plumas On a sand bar, on the east side of Hopkins Creek, about 100 yards northwest 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
  RSA121315  Festuca idahoensis E. Sawyer 1935-6-25 151 Plumas Half mile north of Crow. 1677 Comment
  SEINET10507960  Festuca idahoensis Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4663 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
  OBI21857  Festuca microstachys Lewis S. Rose 1967-6-12 67120 Plumas Butterfly Valey, 3 mi W of Keddie 1219 Comment
  SBBG32370  Festuca microstachys var. pauciflora L. S. Rose 1967-6-12 Plumas Butterfly Valley, ca. 3 mi W of Keddie 1219 Comment
  CAS-BOT-BC278856  Festuca occidentalis Alice Eastwood 1927-6-14 14575 Plumas Forest Lodge near Greenville Comment
  UCD105972  Festuca occidentalis Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 1524 Comment
  JEPS107617  Festuca pratensis Lowell Ahart, Josephine Guardino 2005-8-9 12293 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  UC1137631  Festuca pratensis R. W. Saarni 1939-6-18 130 Plumas near Meadow Valley Store; Bidwell Bar Quad. 1188 Comment
  JEPS113787  Festuca rubra Lowell Ahart, Josephine Guardino 2007-7-21 14359 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
  UC1024664  Festuca rubra Leo Whitney 1934-8-8 2185 Plumas ca 9 mi nw Portola (Fireman Creek, nw end of Big Grizzley Valley); Plumas National Forest, Big Grizzley Valley, Freeman Creek 1828 Comment
  JEPS106341  Festuca subulata Lowell Ahart 2004-7-27 11315 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
  RSA700311  Festuca subulata L. Ahart 2004-7-27 11315 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1646 Comment
  CDA28224  Festuca subulata L. Ahart 2001-7-19 8950 Plumas On the sides 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. Comment
  CAS-BOT-BC459442  Fragaria virginiana subsp. platypetala Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC63010  Frangula californica subsp. crassifolia John Thomas Howell 1951-8-19 28167 Plumas Rich Bar. 792 Comment
  CAS-BOT-BC55670  Frangula purshiana A. A. Heller 1915-7-7 12050 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CHSC60138  Frangula purshiana L. P. Janeway; Garrett Gibson 1992-6-16 4239 Plumas Plumas National Forest. About 1 mi northwest of Beckwourth Peak and 2 mi southeast of Portola. North-facing slope in area of aspens over mountain chaparral understory. 1752 Comment
  CHSC98925  Frangula purshiana subsp. annonifolia L. P. Janeway; B. Castro 2007-8-18 9198 Plumas Northern High Sierra Nevada. Along Caribou Road and North Fork Feather River 4.5 road km north of Hwy 70. Along the creek edge. 759 Comment
  HSC100815  Frangula purshiana subsp. annonifolia L. P. Janeway, B. Castro 2007-8-18 9200 Plumas Along Squirrel Creek and Rd. 401, 1.9 km NE of Hwy. 70/89 and Williams Loop (railroad). 387 Comment
  HSC99901  Frangula purshiana subsp. annonifolia J. P. Smith, & J. O. Sawyer 2004-9-12 12050 Plumas Plumas State Park, roadside along Jamison Creek W of Eureka. 1616 Comment
  CHSC101497  Frangula purshiana subsp. ultramafica L. P. Janeway; Melanie Williams 2009-8-6 9910 Plumas Northern High Sierra Nevada. Top of ridge between Yellow Creek and North Fork Feather River, east of Yellow Creek, 5.5 km north-northweat of Belden; northeast side of th dirt road. 1461 Comment
  CAS-BOT-BC53797  Frangula rubra subsp. rubra Lewis S. Rose 1954-5-30 54070 Plumas Johnsville 1600 Comment
  HSC101685  Frasera albicaulis Dillon North Davis 2013-6-11 22 Plumas 16.3 miles south on FS Road 25N17 from intersection with Highway 70. 1496 Comment
  RSA104128  Frasera albicaulis var. nitida T. C. Porter 1876-1 s.n. Plumas [No location information on label.] Comment
  POM220721  Fritillaria M. Canby 1929-5-12 165 Plumas 5 miles southwest of Blairsden Comment
  CHSC60507  Fritillaria atropurpurea L. P. Janeway 1992-5-14 4180 Plumas North side of Dotta Neck in Dotta Canyon along road on northeast side of the canyon. Plumas National Forest Beckwourth Ranger District Dotta Compartment. 1709 Comment
  CAS-BOT-BC505277  Fritillaria atropurpurea Walter Knight; Irja Knight 1967-5-22 1820 Plumas Near pond reservoir 1097 Comment
  CAS-BOT-BC505278  Fritillaria atropurpurea Walter D. Bliss 1918-5-20 s. n. Plumas Near Quincy Comment
  CAS-BOT-BC506202  Fritillaria micrantha John Thomas Howell 1951-6-28 27655 Plumas Johnsville 1584 Comment
  CHSC64248  Fritillaria pudica Mike Carpenter 1990-4-21 10 Plumas Ca. 30 ft. s of Humbug Valley Rd., 0.8 mi from the intersection of Collins Pine Rd, and Humbug Valley Rd. 1341 Comment
  RSA247170  Fritillaria recurva Gary D. Wallace, Larry E. DeBuhr 1972-5-21 1059 Plumas Ca. 1.5 miles east of junction of Highways 89 and 70 north of Graeagle Comment
  CHSC117452  Galium bifolium Lowell Ahart 2016-6-29 21079 Plumas About 20 yards east of Forest Service Road 22N72, about 1/4 mile sourtheast of Table Mountain, about 1 3/4 miles (air) northwest of Tamarack Flat, about 3 3/4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1760 Comment
  CHSC87643  Galium bifolium Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10916 Plumas Along Rinehart Creek, southwest slope of Grizzly Peak, about 1 1/4 miles (air) west of Grizzly Peak, about 8 1/4 miles (air) northeast of Quincy. 1940 Comment
  POM59617  Galium mexicanum subsp. asperulum Daniel Cleveland 1882-7-26 s.n. Plumas Hamilton Bridge. Big Meadows. Comment
  SEINET10500743  Galium sparsiflorum subsp. glabrius Mary Susan Taylor 1981-9-10 Taylor 4272 Plumas California: T26N R9E n 1/2 sec 30. Almanor SE quad. Head of Bullfrog Ravine. Plumas County. 5700 ft. 1737 Comment
  CHSC21289  Galium trifidum F. T. Griggs; A. Pass 1975-8-5 306 Plumas Buck's Lake Forest Service Survey. Comment
  UC1192016  Galium trifidum Malcolm A. Nobs and S. Galen Smith 1949-8-18 1392 Plumas just s Chester (n end of lake); Lake Almanor, Last Chance Marshes Comment
  SEINET10500746  Galium trifidum var. pacificum Mary Susan Taylor 1981-8-5 Taylor 4171 Plumas 1069 Comment
  JEPS122089  Galium triflorum Lowell Ahart 2014-8-26 19790 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  CAS-BOT-BC144399  Garrya fremontii Ella Dales Cantelow 1941-5-18 3646 Plumas 1 1/2 mi. w. of Johnsville on rd. to Gibsonville 1615 Comment
  CDA9210  Garrya fremontii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .29 Plumas Plumas Eureka State Park. S Johnsville Comment
  UC1122702  Garrya fremontii C. G. Albertus 1935-7-22 226 Plumas 3.75 mi sw Lovejoys; Plumas National Forest, Downieville Quad. 1767 Comment
  UCD121124  Garrya fremontii Elaine A. Ahrenholz 1962-4-18 19 Plumas Indian Creek, State Highway 89. Comment
  CHSC81387  Gayophytum diffusum subsp. diffusum Lowell Ahart 2001-9-18 9292 Plumas Near Cow Creek, on the strand of Lake Davis. 1761 Comment
  CDA13762  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13496 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Comment
  CHSC53690  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1989-7-13 3485 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
  POM196390  Gayophytum diffusum subsp. parviflorum E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake. 1829 Comment
  JEPS27552  Gayophytum heterozygum W. L. Jepson 1939-7-29 19277 Plumas Spring Hill Trail Meadow Valley 1219 Comment
  CHSC65344  Gayophytum humile Lowell Ahart 1995-10-1 7648 Plumas On the bottom of the pond, (reservoir dam washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  UC405454  Gentianopsis holopetala Mrs. R. M. Austin 1875-1 Plumas Comment
  UC405456  Gentianopsis holopetala Mrs. R. M. Austin 1895-1 Plumas Ferndale Comment
  SEINET10454850  Gentianopsis simplex Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4974 Plumas T22N R11E nw/se sec 26. Sierra City NW quad. Plumas-Eureka State Park, on Beaver trail at s end of Jamison Creek Campground, ca. 2 mi sw of Johnsville. 5620 ft. 1713 Comment
  POM181036  Geum macrophyllum A. A. Heller, P. B. Kennedy 1907-7-9 s.n. Plumas Prattville. Comment
  CHSC100873  Geum triflorum L. P. Janeway; B. Castro 2008-6-8 9394 Plumas Northern High Sierra Nevada. Lower end of Lower Thompson Valley, about 1.4 km north of Red Clover Creek and about 75 m southwest of the Thompson Valley Creek. 1666 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
  UC572585  Gilia capitata subsp. mediomontana A. Lewis 1934-6-12 475 Plumas Mooreville Ridge 4 1/2 mi sw Lexington Hill; Bidwell Bar Quad., Plumas National Forest, sw of Lexington H Comment
  CAS-BOT-BC283872  Glyceria borealis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1434 Plumas Butterfly Botanical Area and Vicinity, near mouth of Butterfly Creek 883 Comment
  OBI2942  Glyceria borealis Lewis S. Rose 1968-6-10 68096 Plumas Quincy, Spanish Crk 1036 Comment
  CAS-BOT-BC282696  Glyceria elata L. P. Janeway 1991-8-4 4123 Plumas 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, Beckwourth Ranger District, Plumas National Forest 1691 Comment
  HSC92446  Glyceria elata L. Ahart 1980-10-6 2670 Plumas S shore of small lake, 1/2 mi. W of Fowler Peak, 2 mi. N of Little Grass Valley Reservoir 1616 Comment
  SEINET10908995  Glyceria elata Lawrence P. Janeway 1991-8-4 Janeway 4123 Plumas Grizzly Valley quad T24N, R13E, extreme SE corner of sec. 6. Meadow along Road 111 (Beckwourth-Genesse 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. Damp parts of the meadow; in forest of white fir and Jeffrey pine. 1692 Comment
  RSA716686  Gnaphalium canescens subsp. thermale L. Ahart, John Dittes 2005-9-19 12405 Plumas About 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1990 Comment
  CAS-BOT-BC307376  Gnaphalium palustre John Thomas Howell 1966-7-29 42016 Plumas Quincy, Sierra Nevada 1036 Comment
  CDA14697  Gnaphalium palustre G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3185 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1280 Comment
  CHSC33926  Gnaphalium palustre M. S. Taylor 1981-8-5 4162 Plumas At end of rd 28N05 where it is washed out by Pierce Creek, 2.1 mi n of 28N03-Fruit Growers Blvd, ca. 3 air mi w of Antelope Lake, ca. 13 air mi ne of Taylorsville. 1706 Comment
  JEPS102560  Gnaphalium palustre Lowell Ahart 2001-10-16 9369 Plumas On the north side of a small stream, and on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS34042  Gnaphalium palustre W. L. Jepson 1939-8-4 19340 a Plumas Rock Creek Meadow Valley, Rock Creek 1219 Comment
  CAS-BOT-BC307391  Gnaphalium palustre Lowell Ahart 1981-9-6 3077 Plumas 1 1/2 miles SW of Crecent Mills, Sierra Nevada 1200 Comment
  JEPS34062  Gnaphalium palustre H. M. Wheeler 1944-8-23 Plumas Cascade 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
  CHSC113933  Gratiola neglecta Lowell Ahart 2014-8-20 19717 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
  SD7037  Gratiola virginiana Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET5709450 Image available Grindelia squarrosa Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7718 Plumas Collected along Road 70, at Chilcoot.; Chilcoot 1544 Comment
  CAS-BOT-BC189592  Hackelia John Thomas Howell; Gordon H. True 1967-7-11 43356 Plumas SE slope of Mount Hough 2042 Comment
  CDA14725  Hackelia amethystina G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3251 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mile northwest of China Grade Road (to Taylorsville). 1798 Comment
  JEPS106042  Hackelia amethystina Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11159 Plumas In a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2139 Comment
  UC485778  Hackelia californica H. E. and S. T. Parks 1928-6-1 249 Plumas Drakesbad Comment
  CDA36316  Hackelia cusickii J. R. Keck Jr., Horn 1991-6-18 PDR# 566841 Plumas Along U.S. Forest Service Road 24N02Y; northwest of Frenchman Lake and Chilcoot. 0 Comment
  CDA13984  Helenium bigelovii G. F. Hrusa 1996-8-2 13448 Plumas Sierra Nevada; at SW base of ridge between Argentine & Taylor Rocks, Approx. 1 mi. NW of Argentine Rock. Springline forming trib. of Squirrel Creek. Comment
  CHSC45005  Helenium bigelovii Lowell Ahart 1979-8-16 2014 Plumas In a bog, about 100 yards east of Ohio Ravine, east of the dirt road, about 2 1/4 air miles south of Grizzly Mountain. 1767 Comment
  UCD130280  Helenium bigelovii Albert Grigarick 2011-8-15 293 Plumas 5 miles W of Hwy 89N. From Gray Eagle Resort turn off of Gold Lake Hwy., approx. .25 miles W from Graeagle Trailhead to Hawley Falls. 1884 Comment
  CAS-BOT-BC314794  Helianthella californica var. nevadensis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  SDSU2669  Helianthella californica var. nevadensis D. F. Howe 1964-7-29 3894 Plumas Gold Lake Lodge, Plumas National Forest. 1981 Comment
  CAS-BOT-BC315025  Hemizonella minima Lewis S. Rose 1963-6-3 63096 Plumas Butterfly Valley 2 mi. sw of Keddie 1188 Comment
  CAS-BOT-BC313428  Hemizonella minima David D. Keck 1932-7-3 1621 Plumas South side of Quincy, Northern Sierra Nevada 1249 Comment
  UC897253  Hemizonella minima A. A. Heller 1938-6-22 15178 Plumas plain n Chester 1304 Comment
  CDA24048  Herniaria hirsuta D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .281 Plumas On route 70 W of Storrie on sunny south-facing cliff 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
  CAS-BOT-BC55285  Hesperis matronalis John Thomas Howell 1963-6-3 39387 Plumas Sierra Nevada. Quincy. 1036 Comment
  CAS-BOT-BC55291  Hesperis matronalis T. C. Fuller 1963-6-13 10669 Plumas North of hotel in Quincy. Comment
  POM118176  Hesperolinon micranthum H. M. Hall 1912-7-20 9362 Plumas Middle Fork of the Feather River, in the Transition Zone. 1340 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
  UC641608  Hesperostipa comata subsp. intermedia G. L. Stebbins Jr. 1939-7-9 2927 Plumas 1 mi w Meadow View Ranger Station 1859 Comment
  CHSC80178  Heterocodon rariflorum L. P. Janeway 1996-6-5 4998 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 400 ft south of Middle Fork Feather River and 300 ft west of the road to Calpine. 1488 Comment
  CHSC69702  Heterotheca oregona var. rudis Vernon Oswald; Lowell Ahart 1997-9-18 8871 Plumas Hwy. 70 between Tobin and Belden, 10.7 mi north of the Butte-Plumas county line. On the bank of the North Fork Feather River. 627 Comment
  SEINET10971147  Heterotheca villosa var. hispida Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4970 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
  CHSC105180  Heterotheca villosa var. minor B. Castro; L. P. Janeway 1997-9-14 784 Plumas Springy S-facing slope above Jamison Creek, above Rd 507 ca 0.9 mi E of the Plumas-Eureka State Park boundary. 1828 Comment
  CAS-BOT-BC424166  Heuchera micrantha var. erubescens John Thomas Howell; Gordon H. True 1969-6-23 45828 Plumas Middle Fork of Feather River at Nelson Point 1249 Comment
  CHSC81406  Heuchera micrantha var. erubescens L. P. Janeway 1996-5-13 4967 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
  CAS-BOT-BC425223  Heuchera rubescens Mrs. H. C. Cantelow 1941-5-18 s.n. Plumas 1 1/2 west of Johnsville on road to Gibsonville 1615 Comment
  CAS-BOT-BC425224  Heuchera rubescens Anna Head 1920-8-10 s.n. Plumas Lake Center Camp 1920 Comment
  CAS-BOT-BC312323  Hieracium John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-12 2118 Plumas At spring, Butterfly Botanical Area and Vicinity 1127 Comment
  CAS-BOT-BC319606  Hieracium albiflorum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC319619  Hieracium albiflorum John Thomas Howell 1926-7-20 2084 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC319611  Hieracium albiflorum J. T. Vale 1988-1-4 s.n. Plumas Road Bucks Lk. - Oroville 1981 Comment
  CHSC54516  Hieracium gracile Vernon H. Oswald 1991-8-5 4800 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
  CHSC61770  Hieracium gracile Vernon H. Oswald; Lowell Ahart 1993-8-25 5857 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., just upstream from the S boundary of the park. 1987 Comment
  CAS-BOT-BC318526  Hieracium greenei George W. Gillett 1957-7-13 755 Plumas Below Sifford Lakes on trail to Devil's Kitchen, Lassen Volcanic National Park 2057 Comment
  UCD115122  Hirschfeldia incana John Thomas Howell; Gordon H. True 1968-6-10 44541 Plumas Quincy. 1036 Comment
  CDA13970  Holcus lanatus G. F. Hrusa 1996-8-2 13433 Plumas Sierra Nevada; Steep rocky slopes at SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Sunny, wet, springline; trib. of Squirrel Creek. Perennial in formerly disturbed area adjacent to old logging road. Comment
  CHSC91812  Holcus lanatus G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16274 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: in upper bog area. 1158 Comment
  JEPS113439  Holodiscus microphyllus var. microphyllus Lowell Ahart, John Dittes 2007-8-9 14455 Plumas On the east side of a ridge, about 200 yards south of the intersection, about 1 mile south of Mount Ingalls, about 5 miles (air) northwest of the north end of Lake Davis 2416 Comment
  OBI2940  Hordeum brachyantherum Lewis S. Rose 1968-6-10 68084 Plumas Quincy Meadow 1036 Comment
  CHSC44571  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1977-8-8 1545 Plumas On a dam, in the meadow east of the lake, in Onion Valley, about 1 mile north-west of Pilot Peak, about 15 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC285109  Hordeum marinum subsp. gussoneanum Walter Knight; Irja Knight 1967-5-22 2002 Plumas Butterfly Botanical Area and vicinity 1097 Comment
  SEINET6759269  Horkelia fusca subsp. tenella A. A. Heller, P. B. Kennedy 1907-7-9 8779 Plumas Prattville Comment
  CHSC102744  Horkelia fusca var. parviflora Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16145 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 Alamanor Dam. 1606 Comment
  UC1237938  Horkelia tridentata subsp. tridentata John Weiler and A. P. Nelson May 26 1961-May 29 1961 61241 Plumas 2.3 e Deer Creek Pass (along routes 36 and 89) Comment
  UC473554  Horkelia tridentata subsp. tridentata L. S. Rose 1931-4-14 Plumas Woodleaf Comment
  CAS-BOT-BC538229  Horkelia tridentata var. flavescens W. W. Wagner 1919-5-18 252 Plumas Sockem Creek 1371 Comment
  CAS-BOT-BC538240  Horkelia tridentata var. flavescens Mrs. A. L. Coombs 1906-6-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC536283  Horkelia tridentata var. tridentata L. S. Rose 1931-4-14 s.n. Plumas Woodleaf Comment
  CAS-BOT-BC536284  Horkelia tridentata var. tridentata H. H. G. 1913-5-7 38 Plumas Swayne [Swain] Lbr 792 Comment
  UCD106130  Hosackia oblongifolia G. F. Hrusa 1989-6-26 7211 Plumas Along SW margin of Bucks Lake. 2133 Comment
  SD52134  Hosackia pinnata Frank Stephens 1894-6-26 2199 Plumas Quincy 975 Comment
  JEPS1631  Hydrophyllum capitatum var. alpinum Jos. Grinnell 1927-5-18 Plumas 6 mi from Chester 1310 Comment
  JEPS3241  Hydrophyllum capitatum var. alpinum John Warren Duffield 1937-5-29 Plumas below U.C. Summer Forestry School (Schneider Creek); Schneider Creek Comment
  POM252965  Hydrophyllum capitatum var. alpinum A. A. Heller 1938-5-21 15097 Plumas Just east of the highway maintenance station north of Chester, on Highway 36. Comment
  CHSC37534  Hypericum formosum var. scouleri M. S. Taylor 1982-8-4 4919 Plumas Along spring on n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 mi ne of Quincy. 1889 Comment
  JEPS66824  Hypericum formosum var. scouleri H. L. Mason 1924-6-26 Plumas Blairsden Comment
  SBBG33146  Hypericum formosum var. scouleri K. K. Muller 1963-8-17 1243 Plumas Darlingtonia bog on rd to Butterfly Valley, off State Hwy 89 Comment
  CHSC21325  Hypericum perforatum F. T. Griggs; A. Pass 1975-7-31 274 Plumas Buck's Lake Forest Service Survey. Grizzly Forebay. Comment
  CAS-BOT-BC401435  Hypericum scouleri David D. Keck 1932-7-3 1672 Plumas Quincy, in the Northern Sierra Nevada. Along the road to Lake Almanor 1065 Comment
  SD46433  Ipomopsis aggregata Robert J. Weatherby 1955-7-21 1653 Plumas Ridge between Bottle Springs and Bear Creek; Middle Fork Feather River. 1768 Comment
  CAS-BOT-BC135726  Iris hartwegii John Thomas Howell 1962-6-17 37680 Plumas Butterfly Valley - Sierra Nevada 1036 Comment
  JEPS17361  Iris hartwegii W. L. Jepson 1910-6-16 4144 Plumas Quincy 1066 Comment
  CAS-BOT-BC135743  Iris hartwegii M. S. Taylor 1982-5-27 4543 A Plumas Under pines on e side of Dixie Canyon rd (204), 0.5 mi n of its jct with Hwy 89 at Maccasin. 1158 Comment
  CAS-BOT-BC135744  Iris hartwegii M. S. Taylor 1982-6-1 4575 Plumas On e. side of Hwy 70, ca. 1 mi. no of quincy. 1097 Comment
  UC1584009  Iris hartwegii subsp. hartwegii G. Schoolcraft 1990-5-9 2020 Plumas about 1 mi w Crescent Mills 1463 Comment
  JEPS88851  Iris tenuissima subsp. purdyiformis Carol A. Wilson 1993-4-30 93 -ph5 Plumas 1 mi n Elephant Ridge Tunnel (on Hwy 70, along the Feather River) Comment
  CAS-BOT-BC324813  Iva axillaris M. S. Taylor 1982-8-27 5047 Plumas SW corner of juncton of Highway 70 adn road to Loyalton in Vinton 1493 Comment
  CAS-BOT-BC324814  Iva axillaris Mary Strong Clemens 1920-9-2 s.n. Plumas Beckwourth Comment
  UC1567357  Ivesia aperta var. aperta Gary Schoolcraft 1983-7-5 1057 Plumas n of Correco Canyon 1950 Comment
  SJSU13926  Ivesia baileyi N. A. Hopkins 1986-7-15 1362 .5 Plumas by rd below Frenchmans Cr Reservoir Comment
  CAS-BOT-BC205202  Ivesia sericoleuca James R. Shevock; Barbara Ertter 1986-7-20 11737 Plumas Northern Sierra Nevada. Sierra Valley. Along the west side of County road A23, about 100 yards south of railroad tracks and near the town of Beckwourth 1650 Comment
  CHSC84532  Ivesia sericoleuca John Dittes 2003-8-8 2003 -89 Plumas Northern High Sierra Nevada; northwest edge of Sierra Valley, ca. 5.7 air-miles southeast of Portola, ca. 3.4 air-miles south of Beckwourth, ca. 0.9 air-mile north of Dyson Lane. At east edge of Beckwourth-Calpine Road (A23). 1488 Comment
  SEINET10483372  Ivesia sericoleuca Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3853 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
  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
  SEINET11787183  Juncus arcticus var. balticus L. Ahart, Ahart, P. 1983-1 4317 Plumas near Onion Valley, W of Pilot Peak, near Quincy-LaPorte Rd, NE of La Porte 2000 Comment
  CHSC81638  Juncus bufonius var. bufonius Lowell Ahart 2001-10-8 9305 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  RSA59906  Juncus bufonius var. occidentalis E. K. Balls 1950-9-14 15821 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 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
  JEPS113859  Juncus confusus Lowell Ahart, Josephine Guardino 2007-7-20 14311 Plumas South of a small drainage, northeast edge of a large meadow, south of Lightning Tree Campground, west of the paved road, east side of Lake Davis 1789 Comment
  CHSC113594  Juncus covillei Lowell Ahart 2014-8-26 19770 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
  SEINET11787640  Juncus covillei Unknown 1985-1 5123 Plumas Little Grass Valley Res., where South Fork Feather River flows in lake, ca 4.25 mi NE of La Porte 1585 Comment
  CHSC32864  Juncus ensifolius L. Ahart 1980-10-6 2673 Plumas On the floor of a hydraulic mine, ca. 1 mi s of La Porte. 1600 Comment
  UCD141517  Juncus ensifolius L. Ahart 1980-10-6 2673 Plumas about 1 mile south of La Porte. 1463 Comment
  JEPS113902  Juncus exiguus L. P. Janeway and B. Castro 2007-8-18 9201 Plumas Northern High Sierra Nevada; Along Squirrel Creek and Road 401 1.9 km NE of Hwy 70/89 and Williams Loop 1268 Comment
  CHSC99809  Juncus hemiendytus var. hemiendytus Lowell Ahart 2008-7-9 15051 Plumas Bare gopher and mole mounds, basalt area, in a small meadow, about 20 yards east of the dirt road, about 1/4 mile east of the Feather Fork Mine, road is east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte. 1686 Comment
  JEPS113844  Juncus laccatus Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14459 Plumas About 20 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  UC1495737  Juncus luciensis Barbara Ertter and Jeffrey L. Strachan 1980-7-31 3886 Plumas ca 0.75 mi e Milford-Beckwourth Road (near cattle guard); Plumas National Forest, Dixie Creek 1706 Comment
  CHSC100430  Juncus macrandrus Lowell Ahart 2008-9-10 15391 Plumas Meadow (swamp, bog) 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 4 1/2 miles (air) north of La Porte. 1597 Comment
  JEPS110178  Juncus nevadensis Lowell Ahart 2006-10-8 13420 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
  RSA100691  Juncus nevadensis E. C. Sutliffe 1917-08 s.n. Plumas Gold Lake region. Comment
  SD61097  Juncus nevadensis Darley F. Howe 1964-7-29 Plumas Near Gold Lake Lodge, Plumas National Forest. 1981 Comment
  UC1100986  Juncus nevadensis Malcolm A. Nobs and S. Galen Smith 1949-8-20 1466 Plumas about 13 mi sw Milford (on road between Milford and Beckworth) Comment
  CHSC100331  Juncus nevadensis var. nevadensis Lowell Ahart 2008-8-13 15161 Plumas Northeast edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  JEPS114895  Juncus nevadensis var. nevadensis Lowell Ahart 2008-9-10 15373 Plumas South edge 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
  JEPS110160  Juncus occidentalis Lowell Ahart 2006-7-9 12924 Plumas Small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1678 Comment
  CHSC100328  Juncus orthophyllus Lowell Ahart 2008-7-9 15056 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. 1645 Comment
  UCR123673  Juncus orthophyllus George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6883 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  CHSC100341  Juncus tenuis Lowell Ahart 2008-8-13 15163 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  JEPS122086  Juncus tenuis Lowell Ahart 2014-8-26 19789 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  RSA754873  Juncus tenuis L. Ahart, John Dittes 2009-9-7 16390 A Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  CHSC110877  Juniperus communis Tim Hanson 2013-6-20 1 Plumas Northern High Sierra Nevada. On the south side of Coldwater Creek .8 km upstream from its confluence with the Little North Fork of the Middle Fork of the Feather River. 1421 Comment
  RSA0115085  Juniperus communis Tim Hanson 2013-6-20 1 Plumas Northern High Sierra Nevada. On the south side of Coldwater Creek 0.8 km upstream from its confluence with the Little North Fork of the MIddle Fork of the Feather River. 1421 Comment
  NY19867  Juniperus occidentalis H. E. Brown 1897-8-1 503 Plumas This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET10531564  Juniperus occidentalis subsp. australis Mary Susan Taylor 1981-8-18 Taylor 4213 Plumas T23N R15E se 1/4 ne 1/4 sec 10. Re- connaissance Pk quad. Bald Rock Improvement Project, ca. 1 mi SW of Bald Rock, ca. 5 mi NE of Beckwourth. 6200 ft. 1890 Comment
  CHSC44144  Kalmia polifolia subsp. microphylla Vernon H. Oswald; Lowell Ahart 1988-8-4 3671 Plumas On the s side of Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  RSA150585  Keckiella breviflora subsp. glabrisepala Lee W. Lenz 1961-6-20 24351 Plumas Feather River Canyon. 488 Comment
  RSA293308  Keckiella breviflora subsp. glabrisepala D. C. Michener 1980-8-5 3783 Plumas Northern Sierra Nevada. Ca 0.5 mile north of Tobin on CA 70. 625 Comment
  JEPS59928  Keckiella breviflora var. glabrisepala Lewis S. Rose 1968-6-12 68110 Plumas 4 mi w Belden; Feather River Canyon 609 Comment
  CAS-BOT-BC246157  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
  CAS-BOT-BC246158  Keckiella lemmonii L. P. Janeway 1992-7-31 4281 Plumas South-facing slopes in canyon of North Fork Feather River, near creek along the Chambers Creek Trail, ca. 0.1 mi. from Hwy 70 along old powerline access road. 633 Comment
  RSA293270  Keckiella lemmonii D. C. Michener 1980-8-5 3785 Plumas Northern Sierra Nevada. Ca 0.5 mile north of Tobin on CA 70. 625 Comment
  SEINET10547839  Keckiella lemmonii Mary Susan Taylor 1982-8-9 Taylor 4953 Plumas T26N R8E nw/ne sec 14. Almanor NE quad. Along spur rd off Seneca Rd (306), ca. 2 air mi sw of Canyon Dam. 5100 ft. 1554 Comment
  CDA19326  Kelloggia galioides G. D. Barbe 1982-6-17 3830 a Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 0 Comment
  HSC95413  Kelloggia galioides L. Ahart 2003-9-7 10560 Plumas E side of the dirt road, 50 yds. SE of the Pacific Crest Trail, on Bunker Hill Ridge, 1 (air) mi. SE of Pilot Peak, 9 (air) mi. NE of La Porte 2039 Comment
  JEPS29545  Kelloggia galioides John Thomas Howell 1960-7-17 35489 Plumas Drakesbad; Lassen Volcanic National Park 1676 Comment
  UCR123523  Kelloggia galioides George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  CAS-BOT-BC340345  Kyhosia bolanderi John Thomas Howell 1926-7-31 2172 Plumas Near Prattville 1463 Comment
  CHSC54463  Kyhosia bolanderi Vernon H. Oswald; Lowell Ahart 1991-7-30 4778 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CHSC84421  Lactuca serriola Lowell Ahart 2003-9-7 10558 Plumas Near a seep and spring on the north side of the road, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 3 1/2 miles (air) northwest of Tamarack Flat, about 6 miles (air) northwest of Little Grass Valley Reservoir Dam. 1524 Comment
  JEPS104114  Lactuca serriola Lowell Ahart 2003-9-7 10558 Plumas Near a seep and spring on the n side of the road, on Hartman Bar Ridge, ca 1 mi (air) sw of Franklin Hill, ca 3 1/2 mi (air) nw of Tamarack Flat, ca 6 mi (air) nw of Little Grass Valley Reservoir Dam. 1524 Comment
  CAS-BOT-BC213387  Lathyrus jepsonii subsp. californicus Robert J. Weatherby 1950-7-7 1464 Plumas Banks of stream, near Snake Lake, Quincy 1219 Comment
  CAS-BOT-BC213388  Lathyrus jepsonii subsp. californicus Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2203 Plumas Mouth of Butterfly Creek, Butterlfy Botanical Area and Vicinity 883 Comment
  UC170918  Lathyrus jepsonii var. californicus H. M. Hall 1912-6-30 9302 Plumas Wapanse Creek Sierra Nevada Mountains 1188 Comment
  UCR123905  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2001-7-6 6856 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  CHSC70121  Lathyrus nevadensis var. nevadensis L. P. Janeway 1997-5-15 5131 Plumas Hwy 70/89 at Rattlesnake Creek. 1310 Comment
  CAS-BOT-BC321175  Layia glandulosa Ella Dales Cantelow 1941-5-19 3583 Plumas 3.1 mi NE of Vinton Rd to Frenchman Creek Comment
  CAS-BOT-BC534383  Lemna gibba Fred Sommers 1976-8-12 205 Plumas Sierra Valley along Marble Lane 1487 Comment
  SD46723  Lemna minor Robert J. Weatherby 1950-7-21 1474 Plumas Locally common in shade of grasses, floating in ditch at edge of marsh, East Quincy. 1036 Comment
  SEINET10465998  Lemna minor Mary Susan Taylor 1981-8-5 Taylor 4167 Plumas 1069 Comment
  CHSC34879  Lemna minuta M. S. Taylor 1981-7-13 4003 Plumas At spring, s side of spur rd, ca. 1/2 mi n of Lookout Creek, ca. 1 mi w of 28N11, ca. 1.5 mi nw of n tip of Frenchman Lake, ca. 15 air mi n of Chilcoot. 1920 Comment
  CAS-BOT-BC534927  Lemna minuta M. S. Taylor; M. Foster 1981-2-6 3831 Plumas Spring garden quad, w side of Williams Loop, 0.2 mi se of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1188 Comment
  CAS-BOT-BC534928  Lemna minuta Malcolm A. Nobs; S. Galen Smith 1949-8-19 1420 Plumas About 2 miles south of Greenville, Indian Valley. Comment
  JEPS106328  Lemna trisulca Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11067 Plumas In a very small stream, in a large meadow, on the south side of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote 1796 Comment
  UC1101263  Lemna trisulca Malcolm A. Nobs, S. Galen Smith 1949-8-20 1475 Plumas 9 mi s of Milford Road (on road between Beckwith and Milford, Willow Creek); Willow Creek Comment
  UC1101264  Lemna trisulca Malcolm A. Nobs, S. Galen Smith 1949-8-19 1399 Plumas 2 mi s of Greenville (Indian Valley); Indian Valley Comment
  CAS-BOT-BC88840  Lepidium campestre John Thomas Howell 1976-7-16 51901 Plumas Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  JEPS53665  Lepidium campestre W. L. Jepson 1939-8-8 19471 a Plumas Meadow Valley 1158 Comment
  CHSC84514  Lepidium virginicum var. pubescens John Dittes; Lowell Ahart 2003-8-8 2003 -94 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
  CHSC79187  Leptosiphon ciliatus L. P. Janeway 2000-6-24 6833 Plumas Northern High Sierra Nevada. Top of spur ridge 0.3 km southwest of Crystal Peak in the Diamond Mountains. 2304 Comment
  SD149120  Leptosiphon filipes John Thomas Howell 1967-6-23 42720 Plumas Canyon of the East branch of Feather River, 2.0 miles east of Twain. Comment
  SEINET8480548  Leucocrinum montanum W. Harnach 1989-4-16 029 Plumas Sierra Valley, Roberti Ranch, 0.5 mile W of RR crossing on A-24 (Dyson Lane). 1489 Comment
  CAS-BOT-BC59605  Leucothoe davisiae John Thomas Howell 1963-6-3 39394 Plumas Butterfly Valley. Comment
  CHSC21089  Leucothoe davisiae F. T. Griggs; A. Pass 1975-7-2 58 Plumas Bucks Lake. Comment
  POM76990  Leucothoe davisiae Mrs. R. M. Austin 1874-08 s.n. Plumas Butterfly Valley. Comment
  RSA104133  Leucothoe davisiae T. C. Porter 1876-1 s.n. Plumas [Unspecified] Comment
  CHSC34296  Lewisia cantelovii M. S. Taylor 1981-8-20 4233 Plumas On cliff, s side of Caribou Rd, 0.1 mi n of its jc ... Field redacted by CHSC, contact the data manager for more information 731 Comment
  JEPS109893  Lewisia cantelovii Dean W. Taylor 2004-8-14 19237 Plumas Feather River Canyon, North Fork Feather River, Caribou Road (Forest Road 21N26) 4.1 miles North from Highway 70 822 Comment
  RSA62071  Lewisia cantelovii G. B. Youngs 1943-6-3 s.n. Plumas 2.5 miles up Feather River Canyon form Belden. 915 Comment
  RSA697275  Lewisia cantelovii D. W. Taylor 1996-5-31 15647 Plumas Feather River Canyon; Highway 70 at Arch Rock Tunnel (about 25 air miles NE of Oroville) about 1 mile E of the Butte County line; Plumas National Forest. 564 Comment
  UCD101589  Lewisia cantelovii Jack Major 1966-7-10 s.n. Plumas Feather River Canyon, just east of Tobin (on US Alternate 40). 609 Comment
  CAS-BOT-BC444574  Lewisia triphylla John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54103 Plumas 10.6 miles northeast of La Porte on road to Quincy 1889 Comment
  CAS-BOT-BC444573  Lewisia triphylla Margaret Williams 1966-7-11 s.n. Plumas Luther Ridge above Jamison Creek 2286 Comment
  CAS-BOT-BC283806  Leymus cinereus John Thomas Howell 1955-7-19 30795 Plumas Vinton 1505 Comment
  UC523875  Leymus cinereus C. R. Ball 1932-7-24 699 Plumas Humbug Rd 9 mi sw Lake Almanor (20 mi ne of Chaparral, road side); Humbug House Comment
  CAS-BOT-BC436005  Ligusticum grayi Anna Head 1920-8-3 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CHSC112111  Ligusticum grayi L. P. Janeway 2014-7-15 11540 Plumas Northern High Sierra Nevada. Plumas National Forest. Happy Valley, about 6.4 air-km northeast of Crombeerg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CAS-BOT-BC509326  Lilium kelleyanum Anna Head 1921-7-6 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC509343  Lilium kelleyanum Anna Head 1920-7-23 s.n. Plumas Near Green Lake 1920 Comment
  CAS-BOT-BC509344  Lilium kelleyanum Anna Head 1920-7-16 s.n. Plumas Near Green Lake 1920 Comment
  CHSC100334  Lilium pardalinum subsp. shastense Lowell Ahart 2008-7-16 15086 Plumas On the west side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  UCD139756  Lilium washingtonianum Gerald Dickinson 1963-7-1 61 Plumas State Highway 89, 7 miles northwest of Canyon Dam. 1097 Comment
  CAS-BOT-BC133082  Lilium washingtonianum subsp. washingtonianum Mrs. Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  CHSC37012  Limosella aquatica M. S. Taylor 1982-9-7 5107 Plumas Ramelli Ranch, in moist sand on s side of Feather River, ca. 2 mi w of Beckwourth. 1487 Comment
  JEPS102829  Limosella aquatica Lowell Ahart 2001-8-29 9228 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 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
  CDA36810  Linaria dalmatica D. B. Joley 1976-6-9 1 Plumas Hwy 89, ca. 7 miles east of Canyon Dam. 0 Comment
  UC917268  Linnaea borealis subsp. longiflora J. M. Tucker 1948-7-25 1735 Plumas in vicinity of Cascade Comment
  CHSC58205  Listera convallarioides Vernon H. Oswald; Lowell Ahart 1992-6-22 5031 Plumas Small corner of park property located along Warner Valley Rd. between Lee and Kelly camps. Lassen Volcanic National Park. 1597 Comment
  JEPS101185  Listera convallarioides Dean W. Taylor 2000-9-14 17591 Plumas Cold Stream (tributary to Indian Creek about 1 mile downstream from Antelope Lake, Plumas National Forest; spring near crossing of Forest Road 27N54 1584 Comment
  SEINET6032566  Lithophragma glabrum C. G. Gulling 1905-1 s.n. Plumas Sierra Valley Comment
  UC170981  Lithospermum californicum H. M. Hall 1912-6-28 9279 Plumas Sierra Nevada Mts., Spanish Creek 1158 Comment
  UC1509658  Lomatium dissectum var. multifidum M. S. Taylor 1982-5-17 4465 Plumas ca. 2 mi. s.e. Portola (n. side of 22N55 near its junction with 22N54 & 27N88); Portola Quad. 1706 Comment
  CHSC72419  Lomatium foeniculaceum subsp. macdougalii L. P. Janeway 1998-6-24 5668 Plumas North side of Last Chance Creek just northeast of Jordan Flat, 600 ft north of Road 28N03 0.3 mi west of Road 101. 1792 Comment
  POM147056  Lomatium macrocarpum Alice Eastwood 1927-6-14 14566 Plumas Forest Lodge near Greenville Comment
  RSA189373  Lomatium macrocarpum L. S. Rose 1967-7-10 67154 Plumas 3 miles west of Keddie, Butterfly Valley 1098 Comment
  POM126822  Lomatium nudicaule Katherine Brandegee s.n. Plumas Portola. Comment
  JEPS114359  Lonicera conjugialis Lowell Ahart 2008-8-14 15214 Plumas West of the small stream, northwest of the meadow (swamp, bog), about 300 yards north of the paved road, about 1/2 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 4 1/2 miles (air) north of 1597 Comment
  CAS-BOT-BC243911  Lonicera involucrata var. involucrata Anna Head 1920-6-30 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CHSC100121  Lonicera involucrata var. involucrata L. P. Janeway; David Toren 2008-9-15 9597 Plumas Northern High Sierra Nevada. Plumas National Forest; along South Branch Middle Fork Feather River at Cascade Creek, 100 m upstream of the Road 22N95 bridge; 1.6 km northwest of Cascade. In sandy ground between the confluence of two creeks. 1068 Comment
  CHSC43341  Lonicera involucrata var. involucrata Lowell Ahart 1975-7-2 836 Plumas Along Lost Creek, about 6 miles north of the Sly Creek Dam. 914 Comment
  CHSC61719  Lonicera involucrata var. involucrata Vernon H. Oswald; Lowell Ahart 1993-8-25 5864 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., ca. 0.2 mi upstream from the S boundary of the park at the downstream end of a series of falls and cascades. 1987 Comment
  RSA0035399  Lonicera involucrata var. involucrata Lowell Ahart 2008-7-16 15103 Plumas 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
  UC1075714  Lonicera involucrata var. involucrata Robert J. Weatherby 1955-6-26 1557 Plumas near Lakes Ranger Station; Lakes Basin 1981 Comment
  RSA71309  Lotus argophyllus var. fremontii L. S. Rose 1951-6-29 51078 Plumas Rock Creek, Feather River 550 Comment
  UC1552750  Lotus crassifolius Frederica Bowcutt 1985-6-6 535 Plumas about 15 air mi ne Quincy (on the sw side of Red Clover Creek and Beckwourth Genesee Road); Plumas National Forest Comment
  RSA755329  Lotus crassifolius var. crassifolius L. Ahart 2009-7-13 16044 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  UC1129060  Lotus grandiflorus var. grandiflorus F. W. Embree 1934-6-6 70 Plumas s slope Bucks Mountain; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  UC81105  Lotus pinnatus Mrs. R. M. Austin 1876-1 Plumas Indian Valley Comment
  UC1764095  Lunaria annua Rudolf Schmid 1999-7-21 2000 Plumas just SW of town Belden (HW 70) 718 Comment
  RSA666088  Lunaria annua Rudolf Schmid 2002-4-12 2002 -2 Plumas Belden (Hwy 70). 718 Comment
  CHSC21705  Lupinus F. T. Griggs; A. Pass 1975-7-1 2 Plumas East of Grizzly Creek. Comment
  SEINET10544040  Lupinus albicaulis subsp. wolfianus J. C. Downey 1964-6-28 Downey 11 B Plumas Crescent mill. Host lupine a glabrous 1082 Comment
  CHSC88838  Lupinus albifrons L. Hanson 1985-5-24 263 Plumas Plumas National Forest. Near Massack Rest Stop, Hwy. 70. 1066 Comment
  UC972201  Lupinus arbustus Milo S. Baker 1952-5-24 12440 Plumas Hwy 89 in canyon above Pine Valley; in canyon above Pine Valley 944 Comment
  RSA30591  Lupinus arbustus subsp. silvicola J. T. Howell 1951-6-28 27699 Plumas Eureka Peak. 2134 Comment
  SEINET10973210  Lupinus arbustus subsp. silvicola Mary Susan Taylor 1982-6-1 Taylor 4586 Plumas T26N R9E center sec 15. Greenville SW quad. N side of 20r, opposite Round Valley Reservoir, ca. 2 air mi w of Crescent Mills. 4600 ft. 1402 Comment
  CAS-BOT-BC196346  Lupinus argenteus var. argenteus L. P. Janeway; Garrett Gibson 1991-6-13 4008 Plumas Between Middle Fork Feather River and Hwy 70, ca 0.3 mi east of Claireville Flat 1484 Comment
  CAS-BOT-BC208796  Lupinus argenteus var. heteranthus A. A. Heller; P. B. Kennedy 1907-7-3 8740 Plumas Hills above Red Clover Valley Comment
  UCD106817  Lupinus argenteus var. heteranthus M. S. Taylor 1982-8-19 5025 Plumas Along Pitch Canyon Rd, ca. 1 mi sw of its jct with Milford-Beckwourth Rd, ca. 4 mi s of Milford. 1828 Comment
  CAS-BOT-BC196605  Lupinus argenteus var. palmeri L. P. Janeway; Garrett Gibson 1991-7-9 4067 Plumas First ridge-saddle on east side of Meadow View Peak 1981 Comment
  SEINET7062841 Image available Lupinus bicolor A. G. Vestal 1947-3-28 s.n. Plumas Warner Valley South West. UTM 10, 643001mE, 4468076mN.(WGS84/NAD83). 1521 Comment
  SEINET10874089  Lupinus breweri Mary Susan Taylor 1982-6-1 Taylor 4578 Plumas T26N R9E se/sw sec 6. Almanor NE quad. On n edge of 27N39 spur rd off 26N18, Long Valley Mine area, ca. 4 air mi w of Greenville. 5000 ft. 1524 Comment
  CHSC112062  Lupinus breweri var. breweri L. P. Janeway 2014-7-15 11527 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, in the middle of Happy Valley. 1754 Comment
  CHSC60093  Lupinus breweri var. breweri L. P. Janeway 1990-7-18 3801 Plumas Plumas National Forest. Ca 1/4 mi N of Grizzly Cr and between Lovejoy Cr and Blakeless Cr. 1783 Comment
  RSA60030  Lupinus confertus E. K. Balls 1950-9-1 15580 Plumas Mohawk Ranger Station, off Hwy 24 and 98 to Reno. 1372 Comment
  CAS-BOT-BC215369  Lupinus dalesiae M. S. Taylor 1982-6-3 4600 Plumas Road cut on N side of White Cap Road 1.1 and 1.2 miles S of its junction with Peoria Creek Road, ca. 4 miles SW of Sloat 1524 Comment
  CAS-BOT-BC215397  Lupinus dalesiae M. L. Conrad; Dunn; LeDoux 1973-6-5 7058 Plumas 5.2 miles W of Junction of Highway 70 and Meadow Valley Road in Quincy 1219 Comment
  CAS-BOT-BC215398  Lupinus dalesiae L. P. Janeway 1990-6-6 3698 Plumas Flat on N side of Long Valley ca 0.5 mile E of Rattlesnake Creek and ca 0.5 ile N of Highway 70/89; vicinity of Sloat 1356 Comment
  CAS-BOT-BC215403  Lupinus dalesiae Charles Piper Smith 1947-5-22 47338 Plumas In town, Meadow Valley Comment
  CAS-BOT-BC215404  Lupinus dalesiae Charles Piper Smith 1947-5-22 47338 Plumas In town, Meadow Valley Comment
  CAS-BOT-BC215410  Lupinus dalesiae John Thomas Howell; Gordon H. True 1967-6-12 42587 Plumas N side of American Valley near Quincy 1036 Comment
  CAS-BOT-BC215412  Lupinus dalesiae M. S. Taylor 1982-6-1 4575 Plumas On N side of Highway 70, Indian Hill, ca. 1 mile W of Quincy 1097 Comment
  CAS-BOT-BC215425  Lupinus dalesiae E. K. Balls; L. W. Lenz 1956-6-20 21844 Plumas 2 miles SE of Spring Garden, US Highway, Quincy to Portola 1249 Comment
  CHSC88823  Lupinus dalesiae L. Hanson 1983-6-7 199 Plumas Plumas National Forest. Grays Flat. 1341 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
  RSA101414  Lupinus dalesiae R. Weatherby 1955-7-26 1660 Plumas Spanish Peak, near Meadow Valley. 2165 Comment
  RSA31844  Lupinus dalesiae A. A. Heller 1941-5-22 s.n. Plumas Just north of Spanish Creek, outside of Quincy. (the type was collected about 5 miles west of this station) Comment
  UC1481290  Lupinus dalesiae M. L. Conrad, Dunn, and LeDoux 1973-6-5 7058 Plumas 5.2 mi w of jct of Hwy 70 and Meadow Valley Road in Quincy 1219 Comment
  SEINET10452061  Lupinus dalesiae Mary Susan Taylor 1982-6-24 Taylor 4752 Plumas T24N R9E ne/ne sec 15. Quincy quad. N side of ridge at entrance to Gansner Park from Hwy 70, Quincy. Open bare rdcut. 3500 ft. 1069 Comment
  SEINET10485183  Lupinus dalesiae L. Hanson 1983-6-7 Hanson 195 Plumas On hillside above rush creek on the n side of hwy 70. In mixed conifer forest. Comment
  SEINET10485186  Lupinus dalesiae Taylor 1982-7-12 Taylor 4817 Plumas Johnsonville quad. Corolla white pale blue and pale yellow. Along eureka Ridge, on eureka peak rd (22n75y), .5 air mi south of its jct with mcrae Meadows turnoff, ca. 6 Air mi west of mohawk. With pedicularis semibarbata. Possible hybrid with l. Dalesae x albicaulis. 2103 Comment
  SEINET10841215  Lupinus dalesiae Mary Susan Taylor 1982-5-27 Taylor 4550 Plumas 3800 ft. T24N R8E ne/se sec 14. Bucks Lake quad. E side of Deans Valley Rd (24N29), 0.3, 0.4-0.5 mi s of its jct with Bucks Lake Rd, ca. 1 mi ne of Meadow Valley. 1158 Comment
  SEINET10906996  Lupinus dalesiae Mary Susan Taylor 1982-5-26 Taylor 4539 Plumas T23N R10E ne/sw sec 10. Blue Nose Mt quad. 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, ca. 4 mi sw of Spring Garden. 4100 ft. 1250 Comment
  SEINET10906998  Lupinus dalesiae Mary Susan Taylor 1982-6-2 Taylor 4595 Plumas 5500 ft. T23N R12E ne/sw sec 17. S side of 23N11, 0.5 mi e of its jct with 23N48, ca. 5 air mi n of Mohawk. 1676 Comment
  SEINET8042172  Lupinus formosus A. A. Heller, P. B. Kennedy 1907-7-16 8866 Plumas Grade between Genessee valley and Summit Comment
  CHSC87622  Lupinus grayi Lowell Ahart; John Dittes, Josephine Guardino 2004-5-24 10957 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
  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
  JEPS106020  Lupinus grayi Lowell Ahart, John Dittes, Josephine Guardino 2004-5-24 10957 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
  RSA372136  Lupinus grayi LeDoux, M. L. Conrad, David B. Dunn 1973-6-5 1092 Plumas 2.2 miles from junction of Highway 89 and 70. Comment
  UC1129475  Lupinus grayi E. Sawyer 1935-6-1 54 Plumas 1 3/4 mi ne Hawks; Sierraville Quad. Comment
  SEINET6655083  Lupinus grayi Lewis S. Rose 1968-6-11 68100 Plumas Butterfly Creek; 2 mi S of Keddie.; 0 1036 Comment
  SEINET7716854  Lupinus grayi Unknown Plumas American Valley Comment
  SEINET8042237  Lupinus grayi A. A. Heller, P. B. Kennedy 1907-7-13 8832 Plumas Between Taylorville and Little Grizzly Creek Comment
  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
  CHSC60094  Lupinus lepidus var. confertus L. P. Janeway 1990-7-25 3816 Plumas Plumas National Forest. Open grassy meadow flats on NE side of Middle Fork Feather River at Mohawk. 1325 Comment
  CHSC913  Lupinus lepidus var. confertus V. Holt 1942-7-1 Plumas Na Wa Kwa. 1319 Comment
  JEPS103355  Lupinus lepidus var. lobbii Lowell Ahart 2002-6-26 9780 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  RSA0037136  Lupinus lepidus var. sellulus L. P. Janeway 2013-8-26 11196 Plumas Northern High Sierra Nevada. Plumas National Forest; top of Hartman Bar Ridge along Road 22N05, 0.7 km north of Road 22N94. 1604 Comment
  RSA755467  Lupinus lepidus var. sellulus L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16136 Plumas 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
  UCD108991  Lupinus nanus A. A. Heller 1913-6-13 10865 Plumas Quincy. 1066 Comment
  CHSC62357  Lupinus obtusilobus B. Castro 1990-7-30 435 Plumas Ca 4.5 mi SW of Bucks Lake, along both sides of the Oro-Quincy Hwy near the 'French Hotel' area. 1722 Comment
  CHSC70795  Lupinus obtusilobus B. Castro 1989-8-14 383 Plumas Ca 5 air mi NE of Four Trees by the Oro-Quincy Hwy, in the vicinity of Grizzly Summit. On E side of road. 1761 Comment
  UC1586416  Lupinus onustus Vernon H. Oswald and Lowell Ahart 1991-6-18 4688 Plumas ca 4.5 mi (air) n Greenville (Forest Rd. 28N38, 4.9 mi ene of its jct w/County Rd 201 (Old Haun Rd.), 0.4 mi nw of its jct w/Forest Rd. 28N68 at Greenville Saddle) 1609 Comment
  RSA712966  Lupinus onustus L. P. Janeway 1994-5-24 4649 Plumas Owl Creek, 1.5 mi west of Seneca. 1372 Comment
  SEINET10452646  Lupinus onustus Mary Susan Taylor 1982-5-27 Taylor 4542 Plumas T26N R9E e/se sec 23. Greenville SW quad. Mostly w side of Dixie Canyon Rd (204), 1.2 to 2 mi n of its jct with Hwy :89 at Mocassin. 4000-4400 ft. S of Greenville. 1219 Comment
  UC727035  Lupinus onustus A. A. Heller 1941-5-22 16141 Plumas about 2 mi n Quincy (The type came from Indian Valley, in this region); n of Quincy Comment
  CHSC56852  Lupinus polyphyllus var. burkei L. P. Janeway 1991-8-4 4126 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
  CHSC82980  Lupinus polyphyllus var. burkei L. P. Janeway; B. Castro 2002-8-11 7700 Plumas Northern High Sierra Nevada. Along both sides of Oroville-Quincy Hwy (and into adjacent meadow) 0.5 km west of Road 23N73Y; at head of Little Grizzly Creek. 1658 Comment
  UCD109588  Lupinus stiversii M. Vincent 1964-4-8 528 Plumas 1 mile northeast of Storrie. Comment
  CHSC108104  Luzula cascadensis Lowell Ahart 2011-9-20 17687 Plumas Moist open area along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  JEPS118426  Luzula cascadensis Lowell Ahart 2011-9-20 17687 Plumas Moist open area along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  JEPS124404  Luzula cascadensis Lowell Ahart 2015-7-4 20280 Plumas About 1/2 mile west of the 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
  CHSC108723  Luzula comosa var. comosa B. Castro; L. P. Janeway 2003-9-6 1450 A Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, ca 1.5 mi west of Hay Meadow. At NW corner of lake, a short way into forest ca 10-15 ft up from lake shore. 2058 Comment
  JEPS85609  Luzula comosa var. laxa Leland S. Smith 1927-8-10 2179 Plumas Near top of ridge, near small pond Gold Lake 2286 Comment
  CHSC32020  Luzula divaricata L. Ahart 1974-10-1 647 Plumas N of Pilot Peak on w part of Buzzards Roost Ridge, ca. 1 mi n of Onion Valley, ca. 10 mi n of La Porte. 1981 Comment
  CHSC44253  Lycopus uniflorus Vernon Oswald 1988-7-19 3601 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Along the east edge of the lake. 1676 Comment
  CHSC63704  Lycopus uniflorus Vernon H. Oswald 1994-9-6 6474 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  SEINET5343089  Lythrum portula W. Harnach, N. Harnach 2000-8-2 963 Plumas 1.5 miles south of Hwy 70 on A-23, .25 miles east of A-23. South of Beckwourth Sierra Valley Farms 1488 Comment
  UC176769  Madia elegans A. A. Heller with P. B. Kennedy 1907-7-13 88 -8 Plumas Taylorville 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
  CAS-BOT-BC343782  Madia elegans John Thomas Howell 1961-9-25 36966 Plumas Vinton 1506 Comment
  CHSC59903  Madia elegans subsp. elegans L. P. Janeway 1992-7-31 4282 Plumas 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
  CHSC59904  Madia elegans subsp. elegans L. P. Janeway 1992-7-31 4282 Plumas 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
  CHSC41276  Madia exigua J. D. Jokerst 1984-5-13 2002 Plumas Canyon of Indian Cr. on slopes N of creek and S of the Indian Creek Road. In Eastside forest. 1249 Comment
  CHSC87819  Madia exigua Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11012 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
  JEPS106303  Madia exigua Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11012 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
  JEPS113592  Madia glomerata Lowell Ahart, Josephine Guardino 2007-7-20 14336 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  JEPS114382  Madia glomerata Lowell Ahart 2008-9-10 15382 Plumas On the 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
  JEPS120495  Madia glomerata L. P. Janeway 2012-10-17 11076 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. Comment
  CAS-BOT-BC343265  Madia gracilis L. P. Janeway 1992-7-17 4264 Plumas Plumas National Forest, Beckwourth Ranger District. Cogswell Ravine; ca 1.1 mi north of Mount Jackson, 1.7 mi east-northeast of Cromberg Spring, 2 mi northeast of Middle Fork Feather River 1731 Comment
  SEINET9343158  Madia minima Unknown 1982-6-17 3800 Plumas Among rocks and in dry open forest of Pseudotsuga and Arbutus, SE-ern part of Thormanby Island. Comment
  UC903104  Madia sativa subsp. dissitiflora Ethel Crum 1937-8-7 1949 Plumas 3 mi w of Lake Almanor 1524 Comment
  SD7181  Maianthemum stellatum Unknown 1888-1 Plumas Big Spring, Big Meadows. Comment
  RSA88563  Malva parviflora J. T. Howell 1951-6-27 27555 Plumas Johnsville. 1585 Comment
  UC1586018  Marsilea vestita subsp. vestita Barbara Ertter 1988-10-21 8008 Plumas ca. 1.5 mi e of Chester ( Lake Almanor, e end of causeway, on Hwy. 36, n of road) 1341 Comment
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Aug 31 2012
  CAS-BOT-BC348169  Matricaria discoidea Greg Sommers 1976-7-8 162 Plumas Sierra Valley, along Marble Lane 1487 Comment
  CAS-BOT-BC269218  Melica aristata M. S. Taylor 1982-7-7 4784 Plumas N side of 23N36, just e of its jct with 23N35, s slope of Big Hill, ca. 3 air mi s of Sloat 1615 Comment
  JEPS115932  Melica aristata Lowell Ahart, John Dittes 2009-7-14 16064 Plumas On dry soil, on the north side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam 1677 Comment
  SEINET8755673 Image available Melica californica Stanley Gessel 1940-1 20 Plumas 3/4 mile East Smith Store Meadow Valley 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-BC282093  Melica fugax Lowell Ahart 1986-7-8 5346 Plumas About 1 mile NW of Pilot Peak, ca 14 miles NE of La Porte 1981 Comment
  CAS-BOT-BC282094  Melica fugax Lowell Ahart 1979-7-18 s.n. Plumas Ca 1 mile W of Pilot Peak, along and above the road. Area about 1/8 mile S of Onion Valley 1800 Comment
  CDA18751  Melica fugax G. D. Barbe, T. C Fuller 1982-7-16 3766 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
  CDA38809  Melica fugax L. Ahart, John Dittes, Josephine Guardino 2009-6-15 15905 Plumas On the north side of the road under the pole line. about 200 yards west of Lake Almanor Dam, depression in mined over area. Comment
  CHSC60511  Melica fugax L. P. Janeway 1992-5-22 4201 Plumas Plumas National Forest. South side of Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola. 1493 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
  CDA12098  Melica geyeri G. F. Hrusa, G. L. Webster 1989-5-1 7014 Plumas Sierra Nevada; Feather River near Belden. Comment
  CHSC63490  Melica stricta Lowell Ahart 1994-7-22 7495 Plumas South of the Pacific Crest Trail, west of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  UC578631  Melica stricta E. Sawyer 1935-6-25 148 Plumas 1.5 mi se Crow; Plumas National Forest, Sierraville Quad. 1889 Comment
  UCD88495  Melica stricta H. S. Yates 1912-7-18 s.n. Plumas Portola. 1828 Comment
  CAS-BOT-BC264183  Melica subulata Javier Penalosa 1962-6-19 2491 A Plumas Hwy. 40-89, +-6.2 mi. SE of Quincy 1097 Comment
  CAS-BOT-BC264184  Melica subulata Alice Eastwood 1927-6-18 14707 Plumas Near Greenville Comment
  RSA201358  Melica subulata J. T. Howell 1960-7-23 35965 Plumas Dream Lake, Drakesbad 1677 Comment
  CHSC102148  Mentha arvensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16243 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC118713  Mentha arvensis Wendy L. Boes 2015-6-24 2015026 A Plumas Plumas National Forest. Located near Moonlight Valley, south of Forest Service road 28N30C, northwest of 27N72 UTM 688052 E, 4451991 N, NAD83 Zone 10N. 1825 Comment
  SEINET10538556  Mentzelia albicaulis Mary Susan Taylor 1981-6-23 Taylor 3946 A Plumas T23N R14E se/nw sec 27. Portola quad. Ramelli Ranch, along North Fork Feather River, ca. 1/4 mi S of Hwy 70, ca. 1 mi W of Beckwourth. 4900 ft elev. 1798 Comment
  SJSU15159  Mentzelia albicaulis N. A. Hopkins 1993-6-16 1724 .5 Plumas Beckwourth-Janesville Rd c. 0.25 mi N of turn to Dixie Valley 1524 Comment
  POM84008  Mentzelia dispersa Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  SDSU8068  Mentzelia dispersa R. M. Beauchamp 1965-7-17 Plumas Growing beside the Feather River, 1/2 mile north of Chester, CA. Comment
  SEINET10937489  Mentzelia dispersa Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3878 A Plumas T24N R13 E nw/ne sec 8, Grizzly Valley quad; open rocky ridgetop, ca. 1/4 mi S of Beckwourth-Genesee Valley Rd, ca. 1/4 mi SW of W end of Red Clover Valley; elevation 5600 ft. 1707 Comment
  CAS-BOT-BC170847  Mentzelia veatchiana W. Harnach; N. Harnach 1990-6-16 383 Plumas Frank Dotta Ranch, Sierra Valley 1524 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
  CHSC48904  Micranthes aprica Vernon Oswald 1986-6-6 2088 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  CAS-BOT-BC428885  Micranthes californica Barbara Sherfey 1962-5-1 s.n. Plumas Feather River Canyon. Comment
  LA208007  Micranthes integrifolia E. D. Merrill; 1929-7-13 Plumas Sierra Nevada, Silver Lake 1828 Comment
  CHSC1676  Micranthes oregana R. Morford 1931-5-16 Plumas Humbug Valley. 1371 Comment
  CHSC53706  Micranthes oregana L. P. Janeway 1989-7-13 3493 Plumas Plumas National Forest. Above Jackson Creek and rd 23N06, 1.6 mi from Penman Saddle. 1889 Comment
  CAS-BOT-BC349346  Microseris nutans Alice Eastwood 1927-6-27 14880 Plumas United States Forest Reserve. On road from Chilcott [Chilcoot] Comment
  JEPS1766  Mimulus aurantiacus var. grandiflorus Milo S. Baker 1952-5-27 12475 Plumas Camp Storrie Feather River Canyon, Hwy 24 Comment
  JEPS120751  Mimulus guttatus Lowell Ahart 2013-9-11 19027 Plumas West side of Chips Creek, about 20 yards S of Hwy 70, about 1 mile SW of Belden. Comment
  SEINET3840867  Mimulus guttatus G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3856 Plumas East shore of Frenchman Lake, Crystal Fishing Access, marshy arm of the lake at the parking lot, USGS Quadrangle: Frenchman Lake 7.5 1700 Comment
  RSA31946  Mimulus guttatus A. A. Heller 1942-6-16 16508 Plumas Seven miles west of Belden along State Hwy #24. Comment
  JEPS81476  Mimulus lewisii M. S. Taylor and H. Swanson 1982-8-11 4961 Plumas ca. 5 mi air sw Johnsville (along 23M08, n side of the A-Tree, saddle at head of Florentine Canyon); Sierra City NW quad. 2042 Comment
  RSA794835  Mimulus mephiticus L. Ahart, John Dittes, Josephine Guardino 2009-6-14 15853 Plumas Cut bank of Forest Road 27N01Y, about 1.3 air miles W of Lake Almanor Dam. 1463 Comment
  CDA12054  Mimulus moschatus G. F. Hrusa, J. Dinsdale 1989-6-26 7206 Plumas Sierra Nevada; Margin of N side of Bucks Lake, approx. 25 m. W of Quincy. Comment
  CHSC20820  Mimulus moschatus K. R. Stern 1975-7-24 5833 Plumas SW shore of Lake Almanor. 1371 Comment
  CHSC54418  Mimulus moschatus Vernon H. Oswald 1991-6-17 4669 Plumas Lassen Volcanic National Park. Drakesbad, along Hot Springs Creek west of the resort. 1752 Comment
  RSA59245  Mimulus moschatus E. K. Balls 1950-8-31 15534 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  POM273167  Mimulus primuloides Lyman Benson 1932-7-29 3999 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  SEINET10570266  Mimulus pulsiferae Mary Susan Taylor 1981-6-19 Taylor 3932 Plumas T27N R7E ne/ne sec 10. Almanor SW quad. SW side of Lake Almanor, in small dry meadow between campground and rd to Almanor, ca. 1 mi NW of Prattville, ca. 3/4 mi E of Hwy 89. 4500 ft elev. 1372 Comment
  RSA59177  Mimulus tilingii E. K. Balls 1950-9-1 15603 Plumas East of Long Lake above meadow leading down to two smaller lakes. 2134 Comment
  JEPS86937  Mimulus torreyi David M. Thompson 1988-7-23 974 Plumas 3.05 mi n Bucks Lake Road (and Meadow Valley) (along Shneider Creek Road (USFS Road 23N16), then 0.15 mi w along Road 24N47X, then 0.1 mi n along Road 24N47XC) 1525 Comment
  UC1075732  Mimulus torreyi Robert J. Weatherby 1955-7-21 1647 Plumas near Middle Fork Feather River; Bottle Springs 1615 Comment
  UCD122942  Mimulus torreyi J. M. Tucker 1948-7-24 1720 Plumas near road from Cascade to Camel Peak. 1615 Comment
  CAS-BOT-BC388597  Minuartia douglasii John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2349 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek Comment
  CAS-BOT-BC388598  Minuartia douglasii Mary Strong Clemens 1920-5-25 s.n. Plumas Taylorsville Comment
  UC1468289  Minuartia nuttallii subsp. gracilis M. S. Taylor 1982-6-1 4583 Plumas ca 1 air mi se Long Valley Mine (n side of 204, 4 air mi w of Greenville); Almanor NE quad. 1524 Comment
  CAS-BOT-BC432979  Mitella breweri Clarence R. Quick 1953-8-8 53 -113 Plumas South of Meadow Valley Comment
  SD46558  Mitella breweri Robert J. Weatherby 1955-6-26 1562 Plumas Near Lakes Ranger Station, Lakes Basin, at edge of bog 1981 Comment
  CAS-BOT-BC433069  Mitella trifida Lowell Ahart 1987-5-19 5655 Plumas Along Hopkins Creek, about 1/2 mile south of Turkeytown, about 1 mile west of Blue Nose Mountain, about 14 miles north-east of La Porte 1889 Comment
  UC1125785  Moehringia macrophylla P. G. Haddock 1938-5-29 10 Plumas near Rock Creek; Plumas National Forest, Downieville Quadrangle, Rock Creek Comment
  SJSU15286  Monardella follettii S. Woolhouse 2009-7-26 7 Plumas Along forest service road 26N26 just north of Highway 70 and west of Caribou Road. Comment
  CHSC118830  Monardella follettii Noah Siegel 2015-7-29 2015006 Plumas Plumas National Forest. Located on eastern Rush Creek Hill. Forest Service road 27N67 near 26N22L. UTM 659415 E, 4437357 N, NAD83 Zone 10N. 1675 Comment
  SEINET10829412  Monardella follettii A. Graff 1993-7-23 Graff 336 Plumas Plumas National Forest, Red Hill. All along road going up Red Hill, starting from junction of Red Hill Rd. and Rich Gulch Rd. (USNFS Rd. 26N22), especially east-northeast slopes. T25N,R7E,S2/S10/S11. Locally abundant on road cuts and in open mixed conifer forest of Pinus lamertiana, P. jeffreyi, Abies magnifica, Calocedrus decurrens, Pseudotsuga menziesii, with Acrtostaphylos uva-ursi. Iron-rich serpentine. Beginning of bloom. Butterflies, Bombus sp. Comment
  RSA189328  Monardella lanceolata var. lanceolata L. S. Rose 1967-7-19 67175 Plumas Twain, North Fork Feather River 854 Comment
  RSA59349  Monardella odoratissima subsp. glauca E. K. Balls 1950-9-2 15629 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. 2104 Comment
  CDA18466  Monardella odoratissima subsp. pallida G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3200 Plumas Sierra Nevada; 0.5 mile north of Taylor Creek Road (to Solomon Saddle) junction, on Mt. Hough-Crystal Lake Road. 1584 Comment
  CHSC113901  Monardella odoratissima subsp. pallida Lowell Ahart 2014-8-24 19741 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
  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
  CHSC92136  Monardella odoratissima subsp. pallida Lowell Ahart; John Dittes 2005-9-20 12433 Plumas On the east side of Mud Lake, anout 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2034 Comment
  UC1563719  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 1981 Comment
  UC614709  Monardella odoratissima subsp. pallida L. Constance 1938-6-10 2317 Plumas West edge of Lake Almanor at Prattville. 1219 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
  CAS-BOT-BC220485  Monardella sheltonii John Thomas Howell 1975-7-22 51370 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC220493  Monardella sheltonii M. S. Taylor 1982-7-21 4897 Plumas Summit of Little Volcano, ca. 5 mi se of Quincy 1768 Comment
  SEINET10582341  Monardella sheltonii A. Graff 1993-7-22 Graff 298 Plumas Plumas National Forest. Hwy. 70 west, just past the railroad tressle after Keddie (just past Graff collections 259-297), on the west-facing road cut. T25N,R9E,S15. Growing on gravelly, reddish shale, the cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp. Comment
  SEINET10582350  Monardella sheltonii A. Graff 1993-7-22 Graff 319 Plumas Plumas National Forest, Serpentine Canyon. Hwy. 70 west, .8 miles past Rich Gulch Rd. (USNFS Rd. 26N22), on right roadside. T25N,R8E,S18. Past flowering. Comment
  SEINET10895144  Monardella sheltonii A. Graff 1993-7-21 Graff 294 Plumas Plumas National Forest. On Hwy. 70 west, just past Greenhorn Creek, on the right road bank. T24N,R10E,S25. With grasses. Comment
  SEINET10961427  Monardella sheltonii A. Graff 1993-7-21 Graff 286 Plumas Plumas National Forest. On Hwy. 70 west, .3 mile southeast of Greenhorn Ranch Rd., on right road bank. T24N,R10E,S25. Growing in light brown, sandy, gravelly soil, with Arctostaphylos sp. and scrub. Bombus sp. Comment
  CHSC67990  Monardella stebbinsii James D. Jokerst 1989-7-3 3120 Plumas Caribou Rd. 3.8 mi N of Hwy. 70, W of road. Comment
  UC1502547  Monardella stebbinsii John C. Stebbins 1981-8-2 Plumas 1.1 mi n Queen Lily Campground (along the w side of Caribou Road) 853 Comment
  UC1124568  Monardella villosa subsp. villosa C. G. Albertus 1935-7-20 220 Plumas 1 1/2 mi southwest of Lava Peak; Plumas National Forest, Downieville Quadrangle Comment
  SEINET10572655  Montia chamissoi Mary Susan Taylor 1982-6-10 Taylor 4629 Plumas T23N R15E sw sec 6. Reconnaissance Peak quad. In wet Montane Meadow, se corner of jct of 24N32 & 24N02 at Dotta Saddle, ca. 3.5 mi nne of Beckwourth. 6000 ft. 1829 Comment
  JEPS95296  Montia fontana Lowell Ahart 1994-6-17 7351 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 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
  CHSC101867  Montia fontana subsp. chondrosperma Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15902 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  JEPS115804  Montia linearis Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15901 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area 1421 Comment
  SEINET4672017  Muhlenbergia asperifolia W. Harnach, N. Harnach 1990-7-5 462 Plumas Sierra Valley, first corner east of Co. Rd. A-23 on Marble Lane. 1487 Comment
  CAS-BOT-BC267001  Muhlenbergia filiformis John Thomas Howell 1926-7-26 2130 Plumas Near Prattville 1371 Comment
  CAS-BOT-BC267016  Muhlenbergia filiformis Roxana S. Ferris; Laura Lorraine 1941-8-9 10441 Plumas About 2.5 miles from Lake Almanor Public Camp, State Highway 89 on road to Chester Comment
  CHSC75957  Muhlenbergia filiformis G. F. Hrusa 1996-8-2 13432 Plumas Sierra Nevada. Slope at SW base of ridge between Argentine Rock and Taylor Rocks, 1 mi. NW of Argentine Rock. Old roadbed; trib. of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1900 Comment
  CAS-BOT-BC275032  Muhlenbergia richardsonis L. W. Swift 1934-7-13 98 Plumas Murdock Crossing, Plumas Forest 1737 Comment
  CHSC110612  Muhlenbergia richardsonis B. Castro; G. Kuenster 2006-8-4 1585 Plumas Northern 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 100 ft below edge of open Ponderosa-Jeffrey pine forest. 1665 Comment
  RSA0106684  Muhlenbergia richardsonis Lowell Ahart 2014-8-26 19793 Plumas 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. 1534 Comment
  SEINET13710604  Muhlenbergia richardsonis Lowell William Ahart, Lowell William Ahart 2001-1 9244 Plumas W Side Last Chance Creek at Frenchman Lake (T25N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  CHSC55675  Myosotis discolor K. R. Stern 1985-6-25 8278 Plumas Vicinity of Blairsden. 1402 Comment
  CDA18683  Myosotis laxa G. D. Barbe, T. C. Fuller 1982-6-15 3685 Plumas Sierra Nevada; Chevron Station at west end of Quincy, Hwy 70 and Lawrence Street. 1036 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
  UCSC000283  Myosurus minimus subsp. minimus J. G. Lemmon 1889-5-20 s.n. Plumas Sierra Valley, Plumas or Sierra County Comment
  SD46611  Myriophyllum hippuroides Robert J. Weatherby 1950-7-28 1496 Plumas 2 miles south of Crescent Mills, Indian Creek 1036 Comment
  JEPS113828  Myriophyllum sibiricum Lowell Ahart, John Dittes 2007-6-17 14164 Plumas In Red Clover Creek, about 50 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
  HSC77874  Myriophyllum sibiricum Dale K. Hoffman 1977-11-12 Plumas Manzanita Lake, Lassen Nat'l Park Comment
  SD9589  Myriopteris gracillima Mrs. R. M. Austin Nov 1877 Plumas Quincy Comment
  HSC39511  Nama lobbii J. O. Sawyer 1976-8-5 2829 Plumas Bucks Summit E of Bucks Lake Comment
  JEPS3095  Nama lobbii Mrs. Emanuel Fritz 1933-7-4 Plumas Spanish Peak 1981 Comment
  CHSC78761  Narthecium californicum L. P. Janeway 2000-7-16 6905 Plumas Northern High Sierra Nevada. Large meadow at Greens Flat; at head of Catrell Creek; about 3.7 km northwest of Middle Fork Feather River. 1722 Comment
  SJSU4628  Narthecium californicum C. W. Sharsmith 1969-6-19 7596 Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  UC1101057  Narthecium californicum Malcolm A. Nobs and S. Galen Smith 1949-8-19 1429 Plumas bog & marsh at Butterfly Valley Comment
  UC306154  Narthecium californicum Mrs. R. M. Austin Oct. 1881 Plumas Mt. Dyer, Big Meadows Comment
  RSA726407  Navarretia breweri L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13996 Plumas About a mile (air) north of the north end of Lake Davis. 1966 Comment
  RSA101468  Navarretia breweri R. Weatherby 1955-7-2 1571 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  SD61130  Navarretia capillaris Darley F. Howe 1964-7-29 Plumas Near Gold Lake Lodge, Plumas National Forest 1981 Comment
  JEPS70285  Navarretia divaricata W. L. Jepson 1924-7-25 10644 Plumas Bucks Valley 1158 Comment
  SBBG21876  Navarretia intertexta D. Myrick 1964-7-20 880 Plumas Drakesbad-Mineral Rd 1524 Comment
  UC726841  Navarretia intertexta A. A. Heller 1938-7-2 15233 Plumas just n Quincy (near the bridge over Spanish Creek) 1097 Comment
  UC1124121  Navarretia leucocephala subsp. minima E. Sawyer 1935-6-27 158 Plumas Charlies Valley Plumas National Forest, Sierraville Quad. 1524 Comment
  CHSC40999  Nemacladus capillaris J. D. Jokerst 1984-7-11 2104 B Plumas Logging road indicated as trail on USGS maps, west of South Branch Ward Cr. NW of falls. 1584 Comment
  RSA101448  Nemophila parviflora var. austiniae R. Weatherby 1955-7-2 1590 Plumas Wilcox Valley. 1768 Comment
  CHSC54402  Nemophila pedunculata Vernon H. Oswald 1991-6-12 4657 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser. Locally abundant in the meadow just north of the park boundary where the trail crosses the stream coming down from Terminal Geyser. 1658 Comment
  UC174581  Nemophila pedunculata A. A. Heller and P. B. Kennedy 1907-7-4 8734 Plumas meadow two mi s Red Clover Valley; s of Red Clover Valley Comment
  UCR77780  Nemophila pedunculata G. H. True, Walter Knight, I. Knight, J. T. Howell 1967-5-7 1831 Plumas Butterfly Canyon, Butterfly Botanical Area and vicinity. 1067 Comment
  RSA39780  Nemophila pedunculata P. A. Munz 1947-5-16 11825 Plumas 8 miles north of Chilcoot. 1524 Comment
  UC584312  Nemophila pedunculata G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2141 Plumas 2 mi e Beckwith Peak (western edge of Sierra Valley); western edge Sierra Valley, e of Beckwith Peak 1524 Comment
  CHSC115262  Nemophila spatulata Lowell Ahart 2015-6-7 20220 Plumas On the west side of the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile south east of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  CHSC702  Nemophila spatulata 1932-5-29 Plumas Almanor meadows. 1432 Comment
  JEPS124091  Nemophila spatulata Lowell Ahart 2015-6-7 20220 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  UC1070112  Nothocalais troximoides E. Sawyer 1935-5-22 23 Plumas 3/4 mi sw Beckwith City; Sierraville Quad. Comment
  JEPS40278  Nuphar lutea subsp. polysepala W. L. Jepson 1918-8-17 8028 Plumas Red Clover Valley, Clover Creek 1676 Comment
  SD6157  Nuphar polysepala R. M. Austin 1880-1 Plumas Big Meadows Comment
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Jul 11 2010
  CAS-BOT-BC355565  Oreostemma alpigenum var. andersonii G. Schoolcraft 1997-8-5 2643 Plumas Hay Meadow at S. end of Caribou Wilderness 1950 Comment
  RSA0037146  Oreostemma elatum J. R. Keck Jr. 1978-6-30 PDR 330066 Plumas United States, California, Plumas County. Snake Lake near Quincy. Comment
  UC1037289  Orobanche corymbosa subsp. corymbosa Leo Whitney 1934-8-15 1698 Plumas Freeman Creek, northwest end of Big Grizzley Valley, ca. 9 miles northwest of Portola. Plumas National Forest. Comment
  RSA0066534  Orobanche corymbosa subsp. mutabilis E. K. Balls 1950-9-2 15630 Plumas Below Mt. Ingalls Lookout, area north of Grizzly Valley. 2377 Comment
  JEPS103377  Orobanche uniflora var. uniflora Lowell Ahart 2002-7-6 9846 Plumas In small meadows, ca 50 yards N of the gravel road, near a small branch of Coldwater Creek, ca 3/4 mile SW of Grizzly Mountain, ca 2 miles (air) SW of Haskins Valley and Bucks Lake. 1844 Comment
  CHSC63459  Orthilia secunda Lowell Ahart 1994-7-28 7540 Plumas On the east sides of a small stream, north-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  JEPS104412  Orthilia secunda Lowell Ahart 2003-10-15 10639 Plumas Old gold mined flat area, ca 1/4 mi south of Forest Rd 22N94E, ca 1/2 mi south of Forest Rd 22N94, on Hartman Bar Ridge, ca 1 mi (air) sw of Franklin Hill, ca 4 1/2 mi (air) nw of Tamarack Flat, ca 9 mi (air) nw of La Porte. 1509 Comment
  CHSC68878  Orthocarpus cuspidatus subsp. cryptanthus Vernon Oswald; Lowell Ahart 1997-6-24 8627 Plumas South of Susanville on Diamond Mtn. Motorway (28N15) at the meadow of Wheeler Sheep Campground. 1993 Comment
  CHSC87870  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11063 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
  CHSC98578  Orthocarpus cuspidatus subsp. cryptanthus B. Castro; L. P. Janeway 2005-7-10 1497 Plumas Northern High Sierra Nevada. Near Lassen Co line. Crest of the Diamond Mtns, overlooking NW end of Honey Lake, at N end of Stony Ridge. At N end of jeep road ca 0.6 mi from its junction with sharp bend in Rd 27N12, on open flat basalt pebble-field around headwaters of Stony Creek. 1990 Comment
  JEPS95355  Osmorhiza occidentalis Lowell Ahart 1994-6-29 7406 Plumas about 1/2 mi S of Bucks Lake (N of a poor logging road) 1828 Comment
  CHSC54464  Packera pauciflora Vernon H. Oswald; Lowell Ahart 1991-7-30 4788 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. In the west portion of the fenced enclosure at the springs. 1310 Comment
  CHSC102015  Packera streptanthifolia L. P. Janeway; B. Castro 2009-8-29 9938 Plumas Northern High Sierra Nevada. Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. Small meadow, about 30m x 40m, high on the mountainside, northeast-facing 30% slope. 1892 Comment
  CAS-BOT-BC317172  Packera subnuda var. subnuda John Thomas Howell; Gordon H. True; W. Knight; Irja Knight 1968-6-11 2392 Plumas In wet area on east side of Butterfly Valley Comment
  CAS-BOT-BC121006  Paeonia brownii Anna Head 1920-6-15 s.n. Plumas Lake Center Camp, Feather River Region. 1920 Comment
  CHSC33744  Paeonia brownii M. S. Taylor 1981-7-13 3996 A Plumas Ca. 100 yds n of 25N43, ca. 0.5 mi w of 25N11 at n tip of Frenchman Lake, ca. 13 air mi n of Chilcoot. 1737 Comment
  CHSC62363  Paeonia brownii B. Castro; J. Jurewicz 1990-7-17 432 a Plumas Ca 6 air mi W of Crescent Mills, on gentle W-facing slope above Rush Ck, along mainly E side of USFS Rd 26N87 ca 0.9 mi S of its jcn with Rd 27N92 and ca 0.2 mi S of Cow Ck crossing. 1584 Comment
  UCD88718  Panicum acuminatum var. fasciculatum Lewis S. Rose 1966-7-27 66070 Plumas 3 mi. w. of Keddie. Butterfly Valley. 1066 Comment
  CAS-BOT-BC253737  Panicum capillare John Thomas Howell 1960-7-20 35761 Plumas Lassen Volcanic National Park. Boiling Springs Lake 1798 Comment
  CAS-BOT-BC253738  Panicum capillare John Thomas Howell 1960-7-20 35728 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UC1101585  Panicum capillare Malcolm A. Nobs, S. Galen Smith 1949-8-19 1412 Plumas about 2 mi s Greenville; Indian Valley Comment
  SBBG25611  Parnassia californica K. K. Muller 1965-8-20 1365 Plumas logging rd turning W from St Hwy 89, 6 mi N of Quincy Comment
  CAS-BOT-BC175582  Parnassia palustris Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC21517  Pectiantia breweri D. Brink; L. Mayer 1975-7-8 Plumas Along a stream above Lower Buck's Lake. Comment
  CHSC36312  Pectiantia breweri M. S. Taylor 1982-6-17 4698 Plumas Along Oliver Creek in shaded areas, at its jct with 23N39, ca. 3 air mi sw of sloat. 1615 Comment
  CHSC75545  Pedicularis groenlandica G. F. Hrusa; T. D. Wilfred 1997-6-26 13916 Plumas Sierra Nevada. Wet meadow immed. E of Brady's Camp. Pine Creek Valley, about 1/2 mi. NE Argentine Rock. 2125 Comment
  CHSC4732  Pedicularis racemosa R. Carter 1966-7-10 483 Plumas Found on S shore Bucks Lake along S side 24N25, 3/4 mi. from intersection with 24N33. 1524 Comment
  SEINET10549002  Pedicularis racemosa subsp. alba Mary Susan Taylor 1981-9-10 Taylor 4272 a Plumas California: T26N R9E n 1/2 sec 30. Almanor SE quad. Head of Bullfrog Ravine. Plumas County. 5700 ft. 1737 Comment
  CHSC56599  Pedicularis semibarbata L. P. Janeway 1984-7-22 928 Plumas Summit above Lookout Rock; 1 1/2 mi northeast of Mt. Ararat. 1815 Comment
  SEINET7719333  Pedicularis semibarbata Unknown Plumas Spanish Peak Comment
  CHSC69695  Pellaea brachyptera Vernon Oswald; Lowell Ahart 1997-9-18 8873 Plumas Ca. 4 air mi west of Caribow on Forest Rd. 26N25 (to Mosquito Creek), 2.3 mi northeast of its junction with 26N26 (to Humbug Valley). 1383 Comment
  UC1861769  Pellaea brachyptera Ruth Kirkpatrick 2005-7-19 1359 Plumas West of Johnsville Museum. Along dirt/rocky road 1630 Comment
  SD9640  Pellaea bridgesii J. G. Lemmon 1876-1 Plumas Sierra Valley Comment
  CDA18582  Penstemon deustus var. pedicellatus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3295 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  CHSC58179  Penstemon deustus var. pedicellatus Vernon H. Oswald 1992-6-18 4992 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. 1621 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
  CHSC35269  Penstemon gracilentus M. S. Taylor 1981-7-21 4094 Plumas Between 25N18A and Squirrel Cr, ca. 1/2 mi se of Taylor Rock, ca. 7 air mi n of Spring Garden. 1981 Comment
  NY600730  Penstemon gracilentus R. M. Austin s.n. Plumas Comment
  UC690343  Penstemon gracilentus David D. Keck 1930-7-24 968 Plumas Prattville Sierra Nevada, Prattville 1341 Comment
  HSC20993  Penstemon gracilentus W. R. Rogers 1966-7-6 287 Plumas Ferris Creek 1829 Comment
  LA209569  Penstemon heterodoxus E. D. Merrill; 1929-7-13 Plumas Sierra Nevada, Silver Lake 1828 Comment
  CAS-BOT-BC264358  Penstemon heterodoxus var. heterodoxus Mrs. C. E. Sutcliffe 1914-8-1 s.n. Plumas Gold Lake Region Comment
  UC887061  Penstemon heterodoxus var. heterodoxus Anna Head 1921-7-25 Plumas Long Lake Feather River Region, Long Lake Comment
  NY627287  Penstemon neotericus R. M. Austin 1878-1 s.n. Plumas Comment
  POM255945  Penstemon newberryi subsp. newberryi Marion Ownbey, Ruth P. Ownbey 1938-7-14 1734 Plumas Humboldt Summit, Sierra Nevada. Comment
  UCD67959  Penstemon newberryi var. berryi Stephen Brown 1974-5-4 135 Plumas Feather River Canyon, 1 mile up Rock Creek. Yellow Pine Forest. Gravel soil on granite parent material. Xeric area with afternoon sunlight. Perennial shrub, 3 dm high. Locally abundant. 609 Comment
  UC1017722  Penstemon newberryi var. newberryi Marion Ownbey, Ruth P. Ownbey 1938-7-14 1734 Plumas Humboldt Summit Sierra Nevada Comment
  SEINET5329281 Image available Penstemon personatus M. Foster 1988-7-8 182 Plumas In clearcut unit, 1.2 mi e of Big Creek and Big Creek Rd., below F.S. Rd. 24N47X, 3 mi e of Bucks Lake, 10 mi sw of Quincy 1591 Comment
  CHSC81161  Penstemon rydbergii var. oreocharis Lowell Ahart 2001-8-29 9235 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  NY651316  Penstemon rydbergii var. oreocharis E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828.8 Comment
  UC577896  Penstemon rydbergii var. oreocharis F. W. Embree 1934-6-12 107 -99 Plumas w end Haskins Valley; Bidwell Bar Quad. 1615 Comment
  UCD124271  Penstemon rydbergii var. oreocharis Michael A. Vincent 1999-6-7 8523 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  UC580688  Penstemon speciosus F. W. Embree 1934-6-6 81 Plumas ne dam Bucks Lake; Bidwell Bar Quad. Comment
  SEINET10548134  Penstemon speciosus Mary Susan Taylor 1982-6-10 Taylor 4622 Plumas T23N R15E nw/sw sec 7. Reconnaissance Peak quad. SW of 23N72, ca. l mi w of Table Rock, ca. 3 air mi ne of Beckwourth. 5100 ft. 1554 Comment
  CHSC60594  Perideridia bolanderi subsp. bolanderi L. P. Janeway 1989-6-23 3392 Plumas Plumas Nationa Forest. Beckwourth Ranger District. Upper slope overlooking Crocker Creek from the east. 1767 Comment
  JEPS113373  Perideridia bolanderi subsp. bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14038 Plumas Open rocky flat, along the east side of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  RSA726452  Perideridia bolanderi subsp. bolanderi L. Ahart, John Dittes 2007-6-16 14146 Plumas West of a small stream, about 200 yards south of County Road 111(Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  UC1730235  Perideridia bolanderi subsp. bolanderi L. P. Janeway 1998-6-24 5679 Plumas North side of Last Chance Creek; above Road 101, 0.7 mi west of Bird Creek. 1798 Comment
  JEPS115218  Perideridia lemmonii Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16158 Plumas On both sides 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
  RSA754539  Perideridia lemmonii L. Ahart, John Dittes 2009-7-28 16203 Plumas Near seeps, slope NW of mine, W (above) Forest Service Road 27N28Y, 2.9 air miles NW of Butt Valley Reservoir Dam. 1582 Comment
  HSC100144  Perideridia parishii subsp. latifolia G. Douglas Barbe, T. C. Fuller and J. T. Howell 1981-6-23 3155 Plumas Long Valley, 0.4 mi. S of junction of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Rd. 1634 Comment
  CAS-BOT-BC419232  Persicaria maculosa David D. Keck 1932-7-3 1665 Plumas Quincy, in the Northern Sierra Nevada. 1065 Comment
  CAS-BOT-BC356061  Petasites John Thomas Howell; Gordon H. True 1969-6-23 45837 Plumas On bank of Thompson Creek 4.7 miles north of Nelson Point on road to Quincy 1188 Comment
  JEPS26736  Phacelia heterophylla subsp. virgata P. C. Hutchison 1961-6-9 2124 Plumas along Hwy US Alt. 40 1.8 mi above Rich Bar junction; canyon of the North Fork of the Feather River Comment
  CHSC52525  Phacelia hydrophylloides L. P. Janeway 1990-6-28 3740 Plumas Plumas National Forest. Beckwourth Ranger District. Cascade Compartment. Upper Joseph Creek, on northeast side of Grizzly Ridge. 2042 Comment
  UC1069352  Phacelia hydrophylloides G. Burks 1933-8-8 27 Plumas 4 1/2 mi e and 1 mi n Camel Peak; Plumas National Forest, Bidwell Bar Quadrangle 1706 Comment
  UC1594634  Phacelia hydrophylloides Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway, and Joan Reynolds 1992-7-1 5046 Plumas near entrance of Lakes Basin Campground (ca 5 air mi ssw of Graeagle via Gold Lake Forest Hwy (County Rd 519)) 1926 Comment
  POM147048  Phacelia linearis Alice Eastwood 1927-06 14908 Plumas On road from Chilcott, Unites States Forest Reserve. Comment
  CDA14714  Phacelia mutabilis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3230 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  SBBG21894  Phacelia mutabilis D. Myrick 1964-7-21 883 Plumas near trail parking area, Drakesbad 1737 Comment
  UC511756  Phacelia mutabilis Frank W. Peirson 1926-6-22 6813 Plumas trail from Drakesbad to the Devil's Kitchen; Lassen National Park 1737 Comment
  CHSC41438  Phacelia racemosa Lowell Ahart 1986-6-22 5326 Plumas Along the Pacific Crest Trail, about 1/2 mile east of Humboldt Peak, about 1 mile east of Humboldt Summit, about 8 miles north-east of Butte Meadows. 2103 Comment
  CHSC45938  Phacelia racemosa Lowell Ahart 1981-7-21 2984 Plumas By a large pile of crushed lava rock, on the south side of Cleghorn Bar Road, about 2 miles west of the Quincy Lap Porte Road, about 2 1/2 miles west of Pilot Peak. 1737 Comment
  SEINET7297007 Image available Phalaris arundinacea John Thomas Howell 1973-1 49713 Plumas Crescent Mills 1067 Comment
  CHSC11347  Philadelphus lewisii Lowell Ahart 1970-7-2 Plumas 12 miles E. of Pulga. 762 Comment
  CHSC65499  Philadelphus lewisii L. P. Janeway 1995-7-29 4885 Plumas Along Pipeline Road about 0.7 mi northeast of Camp Rogers Saddle. On the mid- to upper-slope between rogers Flat on the North Fork Feather River and Bald Eagle Mountain. 1609 Comment
  UC858323  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas on Hwy 24 near Grizzly Dome Tunnel 609 Comment
  CAS-BOT-BC250777  Phleum alpinum Leo Whitney 1934-8-6 2242 Plumas Nw. end of Grizzly Valley, Freeman Creek Comment
  CAS-BOT-BC250778  Phleum alpinum E. K. Balls 1950-9-1 15606 Plumas East of Long Lake 2133 Comment
  CAS-BOT-BC260845  Phleum pratense John Thomas Howell 1955-7-20 30861 Plumas Mohawk, Sierra Nevada 1371 Comment
  SEINET10496849  Phlox diffusa Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4337 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  UC1778611  Phlox gracilis G. Douglas Barbe, T. C. Fuller 1982-7-16 3764 B Plumas Lava cap ridge 1.5 miles W of Wheeler Peak and 1 mile S of Beardsley Mine on forest road 3.8 miles south of Green Flat, Plumas National Forest. 1981 Comment
  JEPS71113  Phlox gracilis Joseph Andorfer Ewan 1934-7-19 8240 Plumas Deukus (Blairsden) Sierra Nevada, Mohawk Valley 1615 Comment
  SD43455  Phlox speciosa A. Munz 1947-5-16 11832 Plumas 8.0 miles north of Chilcoot. 1524 Comment
  CHSC35958  Phlox speciosa subsp. occidentalis M. S. Taylor 1982-5-25 4525 Plumas Along 23N12, 0.6 mi w of its jct with 23N52, ca. 3/4 mi w of McDermott Ravine, and 1.5 mi ne of Sloat. 1371 Comment
  CHSC61604  Phlox speciosa subsp. occidentalis Arthur G. Barrett 1915-7-21 11 Plumas Plumas Forest. Meadow View Ranger Station. 1874 Comment
  UC1124214  Phlox speciosa subsp. occidentalis P. G. Haddock 1938-5-29 6 Plumas Rock Creek Serpentine Plumas National Forest, Downieville Quad. 1219 Comment
  UC1586002  Phlox speciosa subsp. occidentalis Barbara Ertter with Gary Schoolcraft 1990-5-14 8976 Plumas e of Round Valley Reservoir (e side of mountain above Crescent Mills) 1371 Comment
  UC614685  Phlox speciosa subsp. occidentalis L. Constance 1938-6-9 2308 Plumas 7.3 mi se Quincy (above the Middle Fork of the Feather River) 1219 Comment
  CDA17228  Phoenicaulis cheiranthoides G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16331 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
  CHSC33610  Phoenicaulis cheiranthoides M. S. Taylor 1981-6-17 3921 Plumas Top of Mt Ingalls, ca. 7 air mi se of Genesee. Around lookout. 2551 Comment
  CHSC89302  Phoenicaulis cheiranthoides G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16331 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  SJSU14355  Phoenicaulis cheiranthoides N. A. Hopkins 1990-5-12 1618 Plumas c. 17.2 mi NW of Beckwourth on rd to Genessee 1706 Comment
  UCD38331  Phoenicaulis cheiranthoides Beecher Crampton 1954-5-10 1870 Plumas 1 mile west of Portola. State Hwy. 24. 1470 Comment
  CHSC67446  Phoradendron libocedri James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2562 Plumas Red Mtn. Rd. 1.1 mi above junction with Rich Gulch Rd., N of Hwy.70. 1584 Comment
  CAS-BOT-BC58840  Phyllodoce breweri Anna Head 1920-7-15 s.n. Plumas Feather River Region - Peak above Round Lake 2286 Comment
  SEINET7270694  Phyllodoce breweri M. J. Williams 1966-7-11 s.n. Plumas Edge of meadow below Luther Ridge, above Johnsville 2256 Comment
  RSA451853  Physocarpus capitatus Anstruther Davidson 1928-7-1 s.n. Plumas Feather River [county not specified: Butte, Plumas or Sierra] Comment
  RSA443112  Pinus monticola L. Ahart, J. Jokerst 1985-10-4 5190 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. 1829 Comment
  CAS-BOT-BC79047  Pinus ponderosa Alice Eastwood 1927-6-1 14702 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  CHSC33824  Pinus ponderosa M. S. Taylor 1981-5-14 3720 Plumas Walker Plains, both sides of Oroville-Quincy Hwy, ca. 0.5 mi s of Four Trees Rd jct, on Butte-Plumas county line. 1524 Comment
  CHSC35286  Pinus ponderosa M. S. Taylor 1981-8-25 4241 Plumas Just off Spur rd off Red Hill Rd (26N22F), ca. 1 air mile ne of the Lookout, ca. 5 air mi ne of Belden. 1767 Comment
  JEPS115160  Pinus ponderosa var. ponderosa Lowell Ahart, John Dittes 2009-7-15 16084 Plumas 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. Comment
  UC924255  Piperia elongata H. S. Reed Plumas Forest Lodge 1036 Comment
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Dec 7 2014
  UC127440 Image available Plagiobothrys A. A. Heller and P. B. Kennedy 1907-7-2 8682 Plumas between Vinton and Beckwith Comment
  UC1037246  Plagiobothrys cognatus Leo Whitney 1923-8-8 1948 Plumas ca 10 mi nw Portola (3 mi e of the Cate Place); Plumas National Forest, Big Grizzley Valley 1828 Comment
  CHSC81106  Plagiobothrys cusickii Lowell Ahart 2001-8-29 9231 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS115522  Plagiobothrys cusickii Lowell Ahart, John Dittes 2009-9-7 16378 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC230980  Plagiobothrys hispidulus Walter Knight; et al. 1967-6-12 2003 Plumas The Butterfly Botanical Area and Vicinity. Area near pond reservoir 1127 Comment
  CAS-BOT-BC230982  Plagiobothrys hispidulus Walter Knight; et al. 1967-7-10 2124 Plumas The Butterfly Botanical Area and Vicinity. At spring 1127 Comment
  CHSC97600  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2007-6-16 14092 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
  CAS-BOT-BC230975  Plagiobothrys hispidulus Lowell Ahart 1979-7-18 s.n. Plumas About 2 miles W of Pilot Peak, along road to Cleghorn Bar. About 12 miles N of La Porte 1800 Comment
  SJSU15115  Plagiobothrys hispidulus N. A. Hopkins 1986-7-15 1359 Plumas S end Squaw Valley Comment
  RSA252424  Plagiobothrys mollis R. F. Thorne, C. W. Tilforth 1969-9-6 39237 Plumas Along Feather River 1 mi. SW of Beckwourth 1357 Comment
  SEINET10935846  Plagiobothrys mollis Mary Susan Taylor 1982-7-8 Taylor 4802 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
  RSA754874  Plagiobothrys scouleri var. cusickii L. Ahart, John Dittes 2009-9-7 16378 Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  JEPS107783  Plagiobothrys tenellus Lowell Ahart, Richard Rabeler, Lawrence Janeway, Linnea Hanson 2005-4-20 11749 Plumas On the north side of Highway 70, about 1/8 mile east of Chambers Creek, about one mile northeast of Indian Jim Campground 629 Comment
  CAS-BOT-BC228455  Plagiobothrys torreyi Mrs. H. C. Cantelow 1940-5-10 3192 Plumas 3 miles E of Bucks Lake Comment
  CHSC60527  Plagiobothrys torreyi var. diffusus L. P. Janeway 1992-5-6 4159 Plumas Plumas National Forest. About 4 mi southwest of Portola; west side of Claireville Flat between Middle Fork Feather River and Hwy 70. 1482 Comment
  UCD124601  Plantago lanceolata Robbins; Raynor 1943-6-1 s.n. Plumas Belden. Comment
  CHSC81137  Plantago major Lowell Ahart 2001-8-29 9252 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SEINET10470063  Platanthera dilatata var. leucostachys Mary Susan Taylor 1981-1 Plumas Comment
  CHSC101942  Platanthera leucostachys Lowell Ahart; John Dittes 2009-7-13 16049 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC2349  Platanthera leucostachys R. Calkins 1931-7-1 Plumas Na Wa Kwa Camp near Longville. 1310 Comment
  CHSC50437  Platanthera leucostachys Vernon Oswald; Lowell Ahart 1990-6-27 4327 Plumas Oro-Quincy Hwy between Merrimac and Buckeye sites, 0.3 mi north of the Butte-Plumas county line. 1487 Comment
  CHSC61073  Platanthera leucostachys Vernon H. Oswald; Lowell Ahart 1993-8-3 5764 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. 1926 Comment
  CDA35622  Platanthera leucostachys J. R. Keck Jr. 1978-6-3 PDR# 330062 & PDR# 330063 Plumas Snake Lake near Quincy. 0 Comment
  CHSC21201  Platanthera sparsiflora F. T. Griggs; A. Pass 1975-7-17 208 Plumas Buck's Lake Forest Service Survey. Comment
  RSA101432  Platanthera sparsiflora R. Weatherby 1955-6-26 1450 Plumas Near Lakes Ranger Station, Lakes Basin. 1982 Comment
  SEINET10464992  Plectritis congesta subsp. brachystemon Mary Susan Taylor 1982-5-4 Taylor 4403 Plumas T24N R8E ne/ne sec 14. Bucks Lake NE quad. Serpentine outcrop, n side of Spanish Ranch-Bucks Lake Rd, at its jct with 24N17, ca. 0.5 mi ne of Meadow Valley. 3700 ft. 472 Comment
  CHSC21692  Poa F. T. Griggs; A. Pass 1975-8-7 313 Plumas Buck's Lake. Comment
  CAS-BOT-BC254769  Poa bolanderi George W. Gillett 1957-7-17 795 Plumas Lassen Volcanic National Park. Stream flowing from Little Willow Lake into Willow Lake 1767 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
  UCD90586  Poa bolanderi subsp. bolanderi W. R. Powell 1968-7-2 1591 Plumas along road southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  CAS-BOT-BC254975  Poa bulbosa Michael A. Vincent 1999-6-8 8554 Plumas Plumas National Forest, Milford Ranger Disttrict. Along FS 26N17 just N of FS 26N40 Comment
  CHSC57464  Poa bulbosa L. P. Janeway; Garrett Gibson 1991-6-20 4055 Plumas Plumas National Forest. 3 1/2 mi southwest of Portola, ca 1/3 mi west of Middle Fork Feather River and ca 300 ft east of Hwy 70. 1484 Comment
  CHSC87855  Poa bulbosa Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11068 Plumas On the north margin of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote. 1796 Comment
  CHSC91828  Poa bulbosa G. Douglas Barbe; T. C. Fuller 1982-6-15 3736 Plumas Sierra Nevada. Red Hill Summit, Plumas National Forest. 1901 Comment
  UCD94972  Poa bulbosa var. vivipara Michael A. Vincent 1999-6-7 8538 Plumas Along FS Rt. 176 and Chance Creek at bridge, 7.1 miles north of CA Rt. 70. Comment
  UCD90870  Poa compressa R. Tofsrud 1949-7-1 s.n. Plumas about 2 miles north of Quincy. Comment
  JEPS113795  Poa cusickii var. cusickii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14014 Plumas West side of an open rocky flat, 20 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  CAS-BOT-BC247078  Poa secunda subsp. juncifolia John Thomas Howell 1962-6-18 37755 Plumas Sierra Valley near Beckwourth 1487 Comment
  UCD92152  Poa secunda subsp. juncifolia Collector Unknown 1889-6-6 s.n. Plumas Sierra Valley. Comment
  CAS-BOT-BC242971  Poa secunda subsp. secunda A. A. Heller; P. B. Kennedy 1907-7-3 8706 Plumas Hills above Red Clover valley Comment
  CAS-BOT-BC242979  Poa secunda subsp. secunda John Thomas Howell 1962-6-17 37705 Plumas Portola 1463 Comment
  JEPS106215  Poa secunda subsp. secunda Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11010 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy 1344 Comment
  JEPS113750  Poa secunda subsp. secunda Lowell Ahart, John Dittes 2007-6-16 14142 Plumas On dry gravelly soil, west of a small stream, about 200 yards south of of County Road 111 (Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UCD91664  Poa secunda subsp. secunda P. B. Kennedy; A. A. Heller 1907-7-3 8706 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC244148  Poa sierrae John Thomas Howell; Gordon H. True 1969-6-23 45801 Plumas Lewisia Rock, Feather River Canyon 609 Comment
  CAS-BOT-BC6509  Poa sierrae John Thomas Howell; Gordon H. True 1967-5-9 42204 Plumas Feather River Canyon, 3.5 mi SW of Belden, Lewisia Rock 609 Comment
  NY546654  Poa sierrae J. T. Howell 1967-5-9 42204 -[female] Plumas Sierra Nevada. 3.5 miles SW of belden, Feather River Canyon 609.6 Comment
  RSA0049675  Poa sierrae Dean Wm. Taylor 2012-5-2 21186 Plumas Lewisia Rock, 4 miles west (downcanyon) from Belden (turnoff), Feather River Canyon 660 Comment
  SEINET10496955  Polemonium caeruleum subsp. amygdalium Mary Susan Taylor 1981-6-18 Taylor 3938 Plumas T25N R12E sw/ne sec 25. Grizzly Valley quad. Along spring crossing Beckwourth- Genesee Rd, N of Crystal Greek, ca. 2 mi S of Notson Bridge, ca. 17 air mi NE of Blairsden. 5700 ft elev. 1737 Comment
  CHSC36308  Polemonium micranthum M. S. Taylor 1982-5-7 4413 Plumas Ramelli Ranch, near an oxbow lake off Feather River, e of Calpine Rd (109), ca. 0.5 mi sw of Beckwourth. 1487 Comment
  SEINET13759115  Polemonium micranthum H. N. Mozingo 1979-4-26 79 -31 Plumas .3 mi. south of Vinton [Sierra Valley] 1494 Comment
  CHSC109727  Polemonium occidentale subsp. occidentale B. Castro 2005-10-20 1530 Plumas High Sierra Nevada. Lake Davis/Grizzly Dam, ca 5 air mi N of Portola. On NNE-facing slope overlooking Big Grizzly Creek, ca 1000 ft downstream (SE) of dam and E of the main Lake Davis Rd (USFS Rd 24N07). 1734 Comment
  CHSC40623  Polygonum aviculare Lowell Ahart 1985-9-26 5174 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
  CHSC81624  Polygonum aviculare Lowell Ahart 2001-10-8 9309 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  NY404735  Polygonum aviculare Mrs. Ames 1876-1 s.n. Plumas Comment
  SEINET10479335  Polygonum aviculare Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5174 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CAS-BOT-BC414221  Polygonum aviculare subsp. depressum John Thomas Howell 1959-9-22 34863 Plumas Drakesbad 1737 Comment
  UC6668  Polygonum bistortoides John M. Coulter 1876-1 34 Plumas Comment
  RSA252388  Polygonum coccineum Robert F. Thorne 1969-9-6 39241 Plumas Near bank of Feather River, 1 mile SW of Beckwourth. 1357 Comment
  UC584340  Polygonum davisiae G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2248 Plumas n Engelmine (sw slopes and ridge crest); Red Rock Comment
  RSA52889  Polygonum davisiae R. Weatherby 1950-8-11 1511 Plumas in lodgepole pine belt, near Hellgranite Pond, Lakes Basin Area. 2012 Comment
  CAS-BOT-BC414549  Polygonum douglasii John Thomas Howell 1959-9-22 34847 Plumas Drakesbad 1737 Comment
  CHSC40624  Polygonum douglasii subsp. douglasii Lowell Ahart 1985-9-26 5177 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
  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
  CHSC46682  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald 1988-8-5 3629 Plumas Humbug Valley, 0.2 mi s of Soda Spring on the road to Yellow Creek Campground, ca. 13 mi (air) s of Chester. 1319 Comment
  CHSC94856  Polygonum minimum Lowell Ahart 2006-10-8 13392 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
  NY404588  Polygonum muehlenbergii Mrs. Ames s.n. Plumas Comment
  RSA699246  Polygonum parryi L. Ahart, John Dittes, Josephine Guardino 2004-6-6 11014 Plumas N side of the logging road, 3 3/4 miles air S of Lower Taylor Rock, 7.5 miles air NE of Quincy. 1358 Comment
  CHSC95024  Polygonum persicaria Lowell Ahart 2006-10-23 13496 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
  JEPS110522  Polygonum persicaria Lowell Ahart 2006-10-23 13496 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 1281 Comment
  UCR108370  Polygonum phytolaccifolium L. C. Wheeler 1958-7-28 7337 Plumas Sierra Nevada, c. 0.25 mile south of Bottle Springs, South Fork Rock Creek, near Quincy 1585 Comment
  CDA28561  Polygonum sawatchense G. D. Barbe 1982-6-9 3659 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. Comment
  SEINET4335291  Polygonum sawatchense A. A. Heller, P. B. Kennedy 1907-7-11 8807 Plumas Prattville Comment
  CAS-BOT-BC420211  Polygonum sawatchense subsp. sawatchense Clare B. Hardham 1978-8-11 21777 a Plumas About 5 miles southeast of Thompson Peak Comment
  CAS-BOT-BC71840  Polypodium californicum J. G. Lemmon 1880-1-1 s.n. Plumas Sierra Valley Comment
  CAS-BOT-BC232940  Polypogon W. Harnach; N. Harnach 1989-5-27 121 Plumas Within 6 inches of the water at the head of the hot wells on N side of Marble Lane 1489 Comment
  SEINET10593696  Polypogon monspeliensis Mary Susan Taylor 1982-8-27 Taylor 5072 Plumas T23N R14E S 1/2 ne1/4 sec 28. Portola quad. Along river in moist areas; Ramelli Ranch, where Feather River crossed RR tracks, ca. 1.5 mi sw of Beckwourth. With Artemisia biennis, Bidens cernua 1487 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
  CHSC116272  Polystichum imbricans subsp. imbricans Lowell Ahart 2015-10-23 20578 Plumas On the west side of Slate Creek Reservoir, about 100 yards northwest of the intake building, about 2 1/4 miles (air) northeast of La Porte Road, about 6 miles (air) southwest of L Porte. 1128 Comment
  JEPS124291  Polystichum imbricans subsp. imbricans Lowell Ahart 2015-10-23 20578 Plumas About 100 yards northwest of the intake building, about 2 1/4 miles (air) northeast of La Porte Road, about 6 miles (air) southwest of La Porte. Comment
  CAS-BOT-BC72361  Polystichum imbricans subsp. imbricans J. Ed. McClellan; Bonnie McClellan 1968-6-14 s.n. Plumas Near Nelson Creek on road from Quincy to La Porte Comment
  CHSC95278  Polystichum lemmonii L. P. Janeway; David Toren 2006-11-7 8941 Plumas Northern High Sierra Nevada. Plumas National Forest; Rogers Lake, in a bowl/cirque imbedded in steep northern slope of Red Mountain, 1.2 km south of the confluence of Little Grizzly Creek and Grizzly Creek. 1629 Comment
  SEINET10867043  Polystichum lemmonii Mary Susan Taylor 1980-9-27 Taylor 3348 Plumas T23N R7E sw sec 8, Bucks Lake quad. ca. 0.3 mi S of Bucks Lake-Spanish Ranch Rd, ca. 0.4 mi E of Frenchman Hill, ca. 20 mi SW of Quincy; from base to top of a serpentine rock wall 600 ft tall. With W. Dakan & T. Griggs. 1646 Comment
  SEINET9625605 Image available Polystichum munitum S. Flowers 1919-8-10 2301 Plumas Quincy, ravine south of town. 1676 Comment
  CHSC67421  Polystichum scopulinum James D. Jokerst; Lowell Ahart 1985-10-4 2589 Plumas Pilot Peak NE of La Porte, above Middle Fork of Feather River. Comment
  JEPS98975  Populus trichocarpa Lowell Ahart 2001-6-4 8751 Plumas Edge of the South Fork of the Feather River, about 1/4 mile NE of the Feather Fork Mine, about 2 miles NE of Little Grass Valley Reservoir, about 6 miles (air) NE of La Porte. 1615 Comment
  UC1564764  Porterella carnosula V. Oswald and L. Ahart 1989-8-22 3950 Plumas ca 2 mi (air) nnw Humbug Summit (Lost Lake); , nnw of Humbug Summit 1950 Comment
  CAS-BOT-BC267123  Potamogeton Robert J. Weatherby 1950-7-28 1504 Plumas Near Indian Creek, 2 miles S of Crescent Mills 1036 Comment
  CAS-BOT-BC453787  Potamogeton natans David D. Keck 1932-7-3 1662 Plumas Along Spanish Creek. Quincy, in the Northern Sierra Nevada. 1065 Comment
  CAS-BOT-BC453788  Potamogeton natans David D. Keck 1932-7-3 1662 Plumas Along Spanish Creek. Quincy, in the Northern Sierra Nevada. 1065 Comment
  RSA262477  Potamogeton natans Stephen L. Clement 1973-5-27 69 Plumas 2 miles west of Keddie. Comment
  RSA59666  Potamogeton natans E. K. Balls 1950-9-9 15733 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  SD6453  Potamogeton perfoliatus Daniel Cleveland July 1882 Plumas Feather River Comment
  RSA0091945  Potentilla Bonnie C. Templeton 1968-1 11309 Plumas [No location data on label. Possibly Trinity County.] Comment
  SEINET5332684 Image available Potentilla aperta A. A. Heller, P. B. Kennedy 1907-7-18 8882 Plumas Beckwith Comment
  CHSC108455  Potentilla glandulosa subsp. ashlandica Lowell Ahart 2011-9-20 17682 Plumas Open area along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  CHSC92194  Potentilla glandulosa subsp. ashlandica Lowell Ahart; John Dittes 2005-9-20 12458 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
  RSA716270  Potentilla glandulosa subsp. ashlandica L. Ahart 2005-9-20 12458 Plumas S side of Forest Road 27N34, about 1 mile NE of Eisenheimer Peak, about 3/4 of a mile S of Wilcox Valley 1985 Comment
  UCR207982  Potentilla glandulosa subsp. hansenii Lyman Benson 1932-7-29 3988 Plumas Sierra Nevada Mtns., Bucks Lake, Feather River Drainage 1585 Comment
  CHSC66640  Potentilla gracilis var. fastigiata Vernon H. Oswald; Lowell Ahart 1996-7-15 8041 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and meadow extending E from road 29N11. 1371 Comment
  CHSC97087  Potentilla gracilis var. fastigiata Lowell Ahart; Josephine Guardino 2007-7-21 14361 Plumas Near 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
  CAS-BOT-BC540072  Potentilla gracilis var. fastigiata Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville Comment
  CAS-BOT-BC158523  Potentilla millefolia Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC158524  Potentilla millefolia A. A. Heller; P. B. Kennedy 1907-7-3 8691 Plumas Red Clover Valley Comment
  CHSC113591  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. 1533 Comment
  SBBG21912  Poterium sanguisorba D. Myrick 1964-7-21 894 Plumas near trail parking area, Drakesbad 1737 Comment
  UC1128281  Prunus andersonii C. W. Hanks 1934-8-14 48 Plumas Plumas National Forest, ne Sierra Valley ne Sierra Valley; Plumas National Forest, ne Sierra Valley 1524 Comment
  CAS-BOT-BC158147  Prunus emarginata Elmer I. Applegate 1929-6-21 5797 Plumas Warner Valley, Mt. Lassen region Comment
  CAS-BOT-BC158148  Prunus emarginata Mary Strong Clemens 1920-6-25 s.n. Plumas Taylorsville Comment
  CDA26215  Prunus virginiana var. melanocarpa G. D. Barbe 1975-6-4 2034 Plumas 1/2 mile east of La Porte Road on Highway 70 east of Quincy. 0 Comment
  CAS-BOT-BC356985  Pseudognaphalium luteoalbum Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1454 Plumas Butterfly Botanical Area and Vicinity. In bed of Spanish Creek near confluence of Butterfly Creek 883 Comment
  CHSC99829  Pseudostellaria jamesiana Lowell Ahart 2008-7-16 15100 Plumas Dry open area west of a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 miles 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
  JEPS106032  Pseudostellaria sierrae Lowell Ahart, Josephine Guardino 2004-5-24 10938 Plumas On the east side of a logging road, about 200 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy 1224 Comment
  JEPS115099  Pseudotsuga menziesii var. menziesii Lowell Ahart, John Dittes 2009-7-13 16058 Plumas East side of Forest Service Road 27lN98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  UCD91856  Puccinellia distans John Thomas Howell 1962-6-19 37855 Plumas 5.5 miles east of Beckwourth. 1493 Comment
  SEINET4890226  Puccinellia lemmonii W. Harnach, N. Harnach 2000-6-14 909 Plumas Sierra Valley, approximately 0.5 miles west of County Road A-24, 2.5 miles north of Loyalton 1518 Comment
  CHSC34273  Purshia tridentata M. S. Taylor 1981-5-10 3678 Plumas Near Pioneer Cabin meadow, e side of Antelope Lake, ca. 20 air mi e of Taylorsville. 1536 Comment
  SD8436  Purshia tridentata Mrs. R. M. Austin 1880-1 Plumas Bis Meadows Comment
  CAS-BOT-BC147874  Purshia tridentata var. tridentata Anna Head 1920-7-16 s.n. Plumas Peak above Round Lake, Feather River Region 2286 Comment
  CAS-BOT-BC460822  Pyrola aphylla Alice Eastwood 1927-6-12 14529 Plumas US Forest Reserve: Forest Lodge near Greenville Comment
  UC876204  Pyrola asarifolia Anna Head 1920-8-3 Plumas meadows above Lake Center Camp, Feather River Region Comment
  RSA794197  Pyrola dentata Diana D. Jolles 2005-7-15 124 A Plumas Plumas National Forest. Old Haun Rd. from 147 by Lake Almanor. 1485 Comment
  CAS-BOT-BC462785  Pyrola dentata F. B. Cayot 1913-8-12 19219 Plumas Three Mile Valley, Plumas Forest 1828 Comment
  OBI82793  Pyrola picta Robert L. Johnson, Mikel R. Stevens 2015-7-11 3954 Plumas Northern High Sierra Nevada. 0.6 rd mi S of jct with Cold Water Rd and Red Mtn Road on Gravel Range Rd. Ca 3.5 air mi south of Bucks Lake.; 0 1771 Comment
  SD7830  Pyrola picta Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  SEINET10449179  Pyrola picta Mary Susan Taylor 1981-7-21 Taylor 4078 Plumas T24N R11E east center sec 19, Spring Garden quad. NE corner of jct of 25N42 and 401, above Squirrel Creek, ca. 3 air mi N of Spring Garden; Yellow Pine Forest dry woods; 4500 ft elev. 1372 Comment
  CHSC34935  Pyrrocoma hirta var. lanulosa M. S. Taylor 1981-7-7 3989 Plumas On ne side of Beckwourth-Genesee Rd at its jct with Beckwourth-Milford Rd, in Squaw Valley, ca. 12 air mi n of Beckwourth. 1706 Comment
  CAS-BOT-BC328159  Pyrrocoma lucida Roxana S. Ferris 1951-9-14 12469 Plumas Between Graeagle adn Calpine just north of Sierra County line (State Highway 89) Comment
  CAS-BOT-BC328160  Pyrrocoma lucida Roxana S. Ferris 1951-9-14 12469 Plumas Between Graeagle adn Calpine just north of Sierra County line (State Highway 89) Comment
  CAS-BOT-BC328162  Pyrrocoma lucida E. K. Balls 1950-9-4 15578 Plumas Opposite Feather River Experiment Station across Highway 24, 4 miles north of Quincy 1066 Comment
  JEPS100332  Pyrrocoma lucida Dean W. Taylor 2001-7-19 17837 Plumas Doyle Grade 0.5 miles East of Meadow View Guard Station 1859 Comment
  SD108123  Pyrrocoma lucida Richard Alan Mayes 1974-8-10 179 Plumas 1 mile west of State Route 89 on Plumas Co. road A-14, Plumas National Forest Comment
  SBBG129862  Pyrrocoma racemosa var. paniculata D. H. Wilken, E. L. Painter, M. Wetherwax 2015-8-5 18001 Plumas S side of Feather River, W side of Beckwourth-Calpine Rd, 0.3 km S of St Hwy 70 1487 Comment
  CAS-BOT-BC62431  Quercus chrysolepis Mrs. Jos Clemens 1919-10-27 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC62433  Quercus chrysolepis M. B. Kildale 1926-9-11 2765 Plumas North Fork [Flatla] River on road between Greenville & Quincy 1219 Comment
  UCD45420  Quercus chrysolepis John Thomas Howell; Gordon H. True, Walter Knight and Irja Knight 1969-6-24 2443 Plumas From vicinity of mouth of Butterfly Creek at el. ca. 2900 ft., Plumas County. 883 Comment
  UCD45577  Quercus chrysolepis Leonard H. Day 1948-7-11 s.n. Plumas Elevation 4710 feet; Lava Top (in Butte County) ca. 1 mile south of Cascade, Plumas County, California. 1435 Comment
  CHSC62150  Quercus durata var. durata L. P. Janeway 1993-7-20 4464 Plumas Plumas National Forest. Canyon of East Branch North Fork Feather River; in large ravine 500 ft north of Hwy 70, opposite the road to Rich Bar. 853 Comment
  CAS-BOT-BC62737  Quercus garryana var. breweri Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  CAS-BOT-BC104600  Quercus vacciniifolia M. S. Taylor 1982-6-21 4702 Plumas above E slope of Golden Creek, ca. 3 air mi W of White Cap, ca. 4 air mi SW of Sloat 1645 Comment
  CAS-BOT-BC104602  Quercus vacciniifolia Mrs. E. C. Suttiffe 1921-10-1 s.n. Plumas Golden Lake Region Comment
  SD225861  Quercus vacciniifolia John M. Tucker 1948-7-24 1733 Plumas About 1/4 mi. below the Camel Peak Lookout, along the road 1676 Comment
  UCD47415  Quercus vacciniifolia F. W. Embree 1934-6-6 79 Plumas one mile south, 1/4 mile west of Rutherford. 1615 Comment
  CAS-BOT-BC379471  Ranunculus alismifolius Cathy Ozaki 1983-5-14 88 Plumas Plumas National Forest, 5 mi N of Chilicot 1500 Comment
  CDA19219  Ranunculus alismifolius var. alismellus G. D. Barbe, T. C. Fuller 1982-6-16 3786 Plumas Plumas National Forest; below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  POM99957  Ranunculus alismifolius var. alismellus Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC379369  Ranunculus alismifolius var. alismifolius John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54105 Plumas 10.6 mi northeast of La Porte on road to Quincy 1890 Comment
  HSC94141  Ranunculus alismifolius var. alismifolius G. D. Barbe, T. C. Fuller, J. T. Howell 1981-6-23 3166 Plumas East Quincy; vacant lot E. of Lariat Lodge. Comment
  CHSC98349  Ranunculus alismifolius var. hartwegii L. P. Janeway 2007-6-3 9013 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. 1929 Comment
  SEINET5338282  Ranunculus alismifolius var. hartwegii J. Young 1982-1 s.n. Plumas Dye creek meadow. 1524 Comment
  SBBG121280  Ranunculus aquatilis var. aquatilis L. Ahart, J. Dittes 2007-6-16 14130 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
  JEPS28455  Ranunculus aquatilis var. capillaceus George W. Gillett 1957-7-18 822 Plumas in main inlet to Willow Lake (n end of meadow); Lassen Volcanic National Park, Willow Lake meadow 1661 Comment
  CAS-BOT-BC378977  Ranunculus aquatilis var. diffusus Mrs. A. R. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CAS-BOT-BC378978  Ranunculus aquatilis var. diffusus Robert J. Weatherby 1950-7-7 1454 Plumas Quincy 1219 Comment
  SEINET12091403  Ranunculus aquatilis var. diffusus W. Knight, Knight, I. 1983-1 4930 Plumas at Drakesbad guest ranch. Lassen Volcanic Nat. Park 1722 Comment
  RSA726542  Ranunculus cymbalaria var. saximontanus L. Ahart, John Dittes 2007-6-17 14163 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
  UC118215  Ranunculus flammula T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  CHSC20849  Ranunculus flammula var. ovalis K. R. Stern 1975-7-25 5804 Plumas N shore of Lake Almanor. 1371 Comment
  RSA0118636  Ranunculus flammula var. ovalis Lowell A. Ahart 2014-8-24 19736 Plumas On the north side of Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 0.25 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1534 Comment
  SEINET10932396  Ranunculus glaberrimus Mary Susan Taylor 1982-5-7 Taylor 4423 Plumas T24N R16E se sec 26. Frenchman Lake quad. E side of 24N51X, 0.8 mi n of Crystal Peak/Adams Pk Rd jct, ca. 7 air mi n of Chilcoot, on ridge e of Frenchman Lake. Jeffrey Pine Foprest. 6200 ft. 1890 Comment
  POM269883  Ranunculus hystriculus H. C. Cantelow 1940-5-12 s.n. Plumas 2 miles On N side of N Fork of Feather River Comment
  SEINET5338855  Ranunculus orthorhynchus A. A. Heller, P. B. Kennedy 1907-7-9 8786 a Plumas Prattville. Comment
  UC1126210  Ranunculus orthorhynchus var. orthorhynchus E. Sawyer 1935-6-27 189 Plumas 1.6 mi ene Grizzly Peak; Plumas National Forest, Downieville Quadrangle Comment
  UC118226  Ranunculus orthorhynchus var. orthorhynchus T. S. Brandegee 1892-7-4 Plumas Prattville Comment
  CAS-BOT-BC74314  Raphanus sativus James T. Vale 1980-9-21 s.n. Plumas Sierra Nevada. Onion Valley, La Porte road. Comment
  CAS-BOT-BC59567  Rhamnus John Thomas Howell 1977-8-11 52681 Plumas Sierra Nevada - Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  CAS-BOT-BC59572  Rhamnus alnifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54408 Plumas Sierra Nevada - Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1524 Comment
  POM186836  Rhamnus purshiana D. D. Keck 1932-7-3 1647 Plumas Hillside S of town, Spruce yellow pin forest. 1189 Comment
  RSA518947  Rhamnus purshiana J. T. Howell 1963-6-3 39395 Plumas Butterfly Valley Comment
  SEINET13946360 Image available Rhamnus purshiana A. A. Heller 1915-1 12070 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. Elev 5500 ft. 12 miles west of Buck 1676 Comment
  RSA212160  Rhamnus rubra L. S. Rose 1969-6-23 69044 Plumas 10 miles SW of Quincy La Porte Road. 1250 Comment
  UC1121935  Rhamnus rubra E. Nourse 1934-8-9 8 Plumas 1.5 mi wsw of Clermont Hill; Plumas National Forest, Downieville Quad. 1828 Comment
  CDA14129  Rhamnus rubra subsp. rubra G. F. Hrusa 1997-5-3 13819 Plumas Sierra Nevada; W side of Rattlesnake Creek creekbed, immed. S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  CAS-BOT-BC56572  Rhododendron columbianum Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy 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
  HSC95628  Rhynchospora capitellata L. P. Janeway 1998-9-10 6271 Plumas Butterfly Valley Botanical Area, northernmost boggy area on W side of FS Rd. 25N47, 0.1 mi. S of FS Rd. 417 1195 Comment
  RSA600531  Rhynchospora capitellata L. C. Wheeler 1959-7-16 7580 Plumas Butterfly Valley. Comment
  CAS-BOT-BC438111  Ribes Clare B. Hardham 1975-8-2 20460 Plumas Black Mt. 2133 Comment
  CHSC10772  Ribes californicum Lowell Ahart 1969-5-18 Plumas Slate Creek, 10 miles south of La Porte. 914 Comment
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Jul 22 2018
  UC1127248  Ribes cereum E. Sawyer 1935-7-9 279 Plumas 2 3/4 mi ssw Crow; Plumas National Forest, Sierraville Quadrangle Comment
  UC1127256  Ribes cereum R. Roseberry 1934-11-7 12 Plumas 2 mi n Penman Pk.; Plumas National Forest, Downieville Quadrangle Comment
  UC224234  Ribes cereum H. E. Brown Aug. 1-15, 1897 601 Plumas near Lassen Buttes 1828 Comment
  CHSC54399  Ribes inerme var. inerme Vernon H. Oswald 1991-6-12 4663 Plumas Lassen Volcanic National Park. Meadow on the north side of Willow Lake, on the north side of the park boundary, ca. 3 miles southeast of Drakesbad. 1661 Comment
  UC1586453  Ribes inerme var. inerme Vernon H. Oswald and Lowell Ahart 1991-7-30 4798 Plumas ca. 6 mi (air) ene Humbug Summit (within the fenced enclosure at the springs, ca. 12 mi (air) s of Chester, w side of valley); Humbug Valley, Big Springs 1310 Comment
  CAS-BOT-BC219221  Ribes nevadense Anna Head 1920-7-1 s.n. Plumas Lake Center Camp 1920 Comment
  CAS-BOT-BC219229  Ribes nevadense Mary Strong Clemens 1920-5-24 s.n. Plumas Taylorsville Comment
  JEPS48771  Ribes nevadense John Warren Duffield 1937-5-23 Plumas Bear Creek Buck Lake Quad.-1950 Comment
  CDA14590  Ribes roezlii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3073 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  RSA0018270  Ribes roezlii E. Sawyer 1935-5-27 42 Plumas 3 miles NNW of Kerby. 1616 Comment
  CAS-BOT-BC168785  Ribes viscosissimum Rimo Bacigalupi 1927-7-7 1629 Plumas Half-way between Camp Elwell and Long Lake, Gold Lake Region Comment
  CHSC20983  Ribes viscosissimum var. hallii F. T. Griggs; A. Pass 1975-7-16 199 Plumas N. shore of Lower Buck's 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
  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
  SEINET10480669  Rorippa Mary Susan Taylor 1981-5-10 Taylor 3671 Plumas T27N R12E se sec 15, Antelope Lake quad. N side of Antelope Lake, ca. 1/4 mi E of Boulder Creek and USFS Work Center, between rd and lake, ca. 20 mi NE of Taylorsville. 5040 ft. 1536 Comment
  SEINET10480671  Rorippa Mary Susan Taylor 1982-8-30 Taylor 5076 Plumas T27N R11E sw sec 35. Kettle Rock quad. S end of Taylor Lake, ca. 6 air mi ne of Taylorsville. Riparian edge of Montane Coniferous Forest; 6900 ft. 2103 Comment
  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
  CHSC92176  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2005-9-19 12387 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2080 Comment
  JEPS114341  Rorippa curvisiliqua var. orientalis Lowell Ahart 2008-9-10 15393 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-BC75019  Rorippa palustris Lowell Ahart 1981-9-6 3122 Plumas Sierra Nevada. 1.5 mile southwest of Crescent Mills. 1200 Comment
  CDA26254  Rosa bridgesii L. Ahart, J. Dittes, J Guardino, Robert A. Schlising 2004-7-3 11174 Plumas On the north side of a forest road, about 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. Comment
  JEPS105837  Rosa bridgesii Lowell Ahart, John Dittes, Josephine Guardino 2004-5-24 10953 Plumas On the southeast side of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1251 Comment
  CDA13972  Rosa gymnocarpa G. F. Hrusa 1996-8-2 13436 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Comment
  CHSC60142  Rosa gymnocarpa L. P. Janeway 1992-6-10 4229 Plumas Plumas National Forest. Northeast side of Grizzly Ridge between Joseph Creek and Cascade Creek; ca .3 mi southwest of Little Grizzly Creek. 1813 Comment
  CHSC82363  Rosa gymnocarpa Lowell Ahart 2002-7-6 9854 Plumas On the northwest side of Axford Creek, about 300 yards northeast of the gravel road, about 1 1/4 mile (air) east of the Robinson Mine, about 2 miles (air) southwest of Grizzly Mountain, about 4 miles (air) southwest of Haskins Valley and Bucks Lake. 1648 Comment
  SDSU9230  Rosa pisocarpa R. M. Beauchamp 1965-7-17 Plumas 0.5 mile N of Chester. Comment
  CAS-BOT-BC149733  Rosa woodsii subsp. ultramontana John Thomas Howell 1955-7-20 30843 Plumas Mohawk 1371 Comment
  CAS-BOT-BC149734  Rosa woodsii subsp. ultramontana Alice Eastwood 1927-6-1 14906 Plumas On road from [Chilcott] Chilcoot, United States Forest Reserve Comment
  JEPS104635  Rosa woodsii var. ultramontana Lowell Ahart 2003-8-8 10488 Plumas On the south side of Marble Lane, near a bridge, ca 2 1/4 mi (by road) e of Beckwourth Calpine Rd, ca 4 mi (air) se of Beckwourth, Sierra Valley. 1527 Comment
  UC1140949  Rudbeckia occidentalis G. T. Nordstrom 1934-7-9 192 Plumas 1.5 mi nw of Mt. Ararat; Bidwell Bar 1676 Comment
  CHSC108092  Rudbeckia occidentalis var. occidentalis Lowell Ahart 2011-9-17 17665 Plumas On the north side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  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
  CHSC20760  Rumex acetosella K. R. Stern 1975-7-25 5885 Plumas N shore of Lake Almanor. 1371 Comment
  OBI2945  Rumex acetosella Lewis S. Rose 1968-6-10 68092 Plumas Quincy 1036 Comment
  CHSC81141  Rumex fueginus Lowell Ahart 2001-8-28 9216 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CDA22910  Rumex maritimus L. P. Janeway 2001-7-25 7386 Plumas High Cascade Range; Southwest side of Lake Almanor, below high water line, about 100 meters out; near Highway 89 2.3 km north-northwest of Almanor West Road. Comment
  JEPS102648  Rumex maritimus Lowell Ahart 2001-8-28 9216 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  RSA726386  Rumex maritimus L. Ahart, Josephine Guardino 2007-7-20 14346 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  CHSC80252  Rumex paucifolius L. P. Janeway 1996-6-5 4992 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 400 ft south of Middle Fork Feather River and 300 ft west of the road to Calpine. 1488 Comment
  SD71014  Rumex triangulivalvis John Thomas Howell 1960-7-19 35624 Plumas Meadow, Drakesbad, Lassen Volcanic National Park 1676 Comment
  CHSC95003  Sagina saginoides Lowell Ahart 2006-10-23 13478 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
  RSA60244  Sagina saginoides E. K. Balls 1950-9-2 15639 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  POM119223  Sagittaria Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC445677  Sagittaria cuneata John Thomas Howell 1966-7-29 42009 Plumas Quincy. 1036 Comment
  UC142444  Sagittaria latifolia Mrs. R. M. Austin Aug, 1878 296 Plumas Big Meadows Comment
  RSA52875  Sagittaria latifolia R. Weatherby 1950-7-21 1483 Plumas Butterfly Lake near Quincy. 1220 Comment
  CAS-BOT-BC103631  Salix eastwoodiae Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas lake by Oakland Mine, Gold Lake Region Comment
  UC440200  Salix eastwoodiae H. M. Hall 1912-7-8 9312 Plumas Bunker Hill 2133 Comment
  UC440202  Salix eastwoodiae Mrs. C. M. Wilder 1912-7-10 9334 Plumas s side of main lake Bear Lakes 1981 Comment
  SJSU12159  Salix exigua N. A. Hopkins 1976-6-22 834 Plumas 7 mi NE of Loyalton 1524 Comment
  SD46501  Salix geyeriana Robert J. Weatherby 1950-8-11 1524 Plumas creek bed in springy area, side of Mt. Elwell, Lake Basin area 2225 Comment
  UC1134969  Salix lasiandra subsp. lasiandra F. Embree 1934-6-6 77 Plumas Three Lakes Plumas Nat'l Forest, Bidwell Bar Quad., Three Lakes Comment
  CAS-BOT-BC125305  Salix lasiandra var. lasiandra David D. Keck 1932-7-3 1658 Plumas Meadow south of Spanish Creek, Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC125323  Salix lasiandra var. lasiandra John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1974 Plumas In valley proper, Butterfly Botanical Area and Vicinity 1066 Comment
  CAS-BOT-BC125324  Salix lasiandra var. lasiandra John Thomas Howell 1961-6-21 36606 Plumas Greenville 1097 Comment
  JEPS107623  Salix lasiandra var. 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
  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-BC124801  Salix lemmonii Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1882 Plumas At north end of Butterfly Valley proper 1036 Comment
  CDA14592  Salix lemmonii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3075 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC13667  Salix lemmonii E. L. Smith 1971-4-28 946 B Plumas In Indian Valley ca. 1 mi se of Greenville. 1088 Comment
  CHSC9575  Salix lemmonii E. L. Smith 1971-4-28 949 Plumas N city limits in Quincy. 1043 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
  UC482027  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 393 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  CAS-BOT-BC129386  Salix melanopsis John Thomas Howell 1976-7-16 51897 Plumas Hydraulic mining gravels on flood plain of Spanish Cr. at mouth of Wapaunsie Creek - Sierra Nevada 1097 Comment
  SBBG29041  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 396 Plumas N Fork of Feather River, at Chester 1350 Comment
  UC176141  Salix melanopsis A. A. Heller 1913-6-13 10858 a Plumas near Quincy Quincy 1066 Comment
  UCD111780  Salix melanopsis Lewis S. Rose 1968-6-10 68090 Plumas Quincy. 1036 Comment
  SEINET10417193  Salix melanopsis A. A. Heller, P. B. Kennedy 1907-7-13 8830 Plumas Taylorsville. Comment
  CHSC115799  Salix orestera Lowell Ahart; John Deurloo 2015-8-25 20532 Plumas On the bottom of the Bean Hill Mine, hydraulic mine in serpentine, 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air)south Twain, 7.8 miles (air) west-northwest of Quincy. 1367 Comment
  CDA19222  Salix planifolia G. D. Barbe, T. C. Fuller 1982-6-16 3783 Plumas Plumas National Forest; below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  CHSC92193  Sambucus mexicana Lowell Ahart; John Dittes 2005-9-20 12455 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
  UC579567  Sanguisorba annua E. Sawyer 1935-6-27 166 Plumas nw Sierra Valley (Charlies Valley); Plumas National Forest, Sierraville Quad. 1524 Comment
  CAS-BOT-BC223221  Sanicula bipinnatifida A. A. Heller; P. B. Kennedy 1907-7-8 8765 Plumas Near Greenville Comment
  SEINET11263195  Sanicula bipinnatifida Barbara Ertter, Gary Schoolcraft 1990-5-14 8980 Plumas East side of mountain above Crescent Mills, E of Round Valley Reservoir.; 0 1372 Comment
  CAS-BOT-BC8644  Sanicula bipinnatifida var. flava Amos Arthur Heller 1913-6-13 10839 Plumas Near Marston Station 1066 Comment
  SEINET11155991  Sanicula graveolens A. A. Heller, P. B. Kennedy 1907-7-8 8765 Plumas Near Greenville. Comment
  SEINET11268192  Sanicula graveolens Barbara Ertter, Gary Schoolcraft 1990-5-14 8972 Plumas East side of mountain above Crescent Mills, E of Round Valley Reservoir.; 0 1372 Comment
  UC337550  Sanicula tuberosa unknown 1889-6-28 31 Plumas Mohawk Valley Comment
  HSC21643  Sanicula tuberosa Jim Vaughn 1996-8-5 Plumas Upper Hot Springs Creek, Devils Kitchen Area, Mt. Lassen Natl. Park 1829 Comment
  SEINET3239796  Santalaceae R. L. Mathiasen 2010-1 1040 Plumas 1.1 km S of Rte. 36 on Rte. 89. West shore of Lake Almanor. 1390 Comment
  CHSC95004  Saponaria officinalis Lowell Ahart 2006-10-23 13479 Plumas On large gravel, on the southeast side of Slate Creek (there is a large gravel flat caused by the dam), about 80 yards east of where the road ends, about 100 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  JEPS48753  Saxifraga californica John W. Duffield 1937-5-24 Plumas e of fairgrounds of Quincy (near Quincy Q, sw Plumas County) Comment
  CHSC21305  Saxifraga mertensiana F. T. Griggs; A. Pass 1975-7-8 119 Plumas Buck's Lake. Comment
  CDA6721  Scabiosa atropurpurea D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .259 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  JEPS104153  Sceptridium multifidum Lowell Ahart 2003-10-15 10637 Plumas Old gold mined flat area, ca 1/4 mi south of Forest Rd 22N94E, ca 1/2 mi south of Forest Rd 22N94, on Hartman Bar Ridge, ca 1 mi (air) sw of Franklin Hill, ca 4 1/2 mi (air) nw of Tamarack Flat, ca 9 mi (air) nw of La Porte. 1509 Comment
  RSA0101559  Sceptridium multifidum C. C. Bruce 1897-09 s.n. Plumas Butterfly Valley. Comment
  CAS-BOT-BC283631  Schedonorus pratensis John Thomas Howell; Gordon H. True 1967-6-11 42583 Plumas Meadow at Quincy 1036 Comment
  CHSC44267  Scheuchzeria palustris subsp. americana Vernon Oswald 1988-7-19 3609 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On a peat island on the s side of the lake. 1676 Comment
  CHSC46716  Scheuchzeria palustris subsp. americana V. Oswald; W. Dempsey 1989-8-24 3965 Plumas Little Willow Lake on the s edge of Lassen Volcanic National Park, ca. 11 mi (air) nw of Chester. On the w side of the lake. 1828 Comment
  RSA71072  Scirpus congdonii L. S. Rose 1951-6-28 51033 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  CHSC100032  Scirpus microcarpus Lowell Ahart 2008-8-14 15210 Plumas West edge of a small wet meadow, 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
  CHSC91936  Scirpus microcarpus Lowell Ahart; Josephine Guardino 2005-8-10 12312 Plumas Small meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  RSA59261  Scirpus microcarpus E. K. Balls 1950-8-31 15553 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  UC174630  Scutellaria A. A. Heller and P. B. Kennedy 1907-7-15 8843 Plumas near mouth of Little Grizzly Creek below Genessee; Little Grizzly Creek Comment
  CHSC66629  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1996-7-15 8016 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. 1371 Comment
  UC104317  Scutellaria antirrhinoides Mrs. R. M. Austin July 1878 Plumas Big Meadows Comment
  UC1585915  Scutellaria antirrhinoides Barbara Ertter 1989-7-4 8684 a Plumas sw of Chester (2.2 mi w of jct with Hwy 89 and Hwy 36) 1463 Comment
  POM93422  Sedella pumila Mary E. P. Ames 1871-05 s.n. Plumas Near Roseville; Taylorsville, Indian Valley. Comment
  JEPS73836  Sedum albomarginatum P. C. Hutchison 1967-6-16 7333 Plumas 4.1 mi above Rich Bar (East Branch North Fork Feather River); East branch North Fork Feather River, above Rich Bar Comment
  SEINET4407855  Sedum albomarginatum P. C. Hutchison 1961-1 2122 Plumas Canyon of the N fork of the Feather River along Hwy. US Alt. 40, on serpentine cliffs above Rich Bar Comment
  CHSC21654  Sedum laxum subsp. laxum D. Brink; L. Mayer 1975-7-6 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS119498  Sedum obtusatum subsp. boreale Lowell Ahart 2011-9-20 17693 Plumas On the north side of Onion Valley Creek, on the north side of Pilot Peak, about 200 yards east of the east edge of Onion Valley meadow, about 9 miles (air) northeast of La Porte. Comment
  CAS-BOT-BC418395  Sedum plumasanum P. C. Hutchison 1961-6-9 2122 Plumas Conyon of the North fork of the Feather River along highway US Alt. 40, on the serpentine cliffs above Rich Bar 853 Comment
  CAS-BOT-BC63849  Sedum spathulifolium John Thomas Howell 1962-6-16 37634 Plumas Lewisia Rock, North Fork Feather River 640 Comment
  CHSC52766  Senecio hydrophiloides L. P. Janeway 1990-6-29 3745 Plumas Plumas National Forest. Meadow on S side of Little Grizzly Creek ca 1/4 mi E of Emigrant Creek. 1767 Comment
  CHSC57418  Senecio hydrophiloides L. P. Janeway; Garrett Gibson 1991-6-24 4063 Plumas Plumas National Forest. North end of McReynolds Valley, ca 0.8 mi south of the '01' road in Squaw Valley. Middle of a meadow. 1691 Comment
  CAS-BOT-BC363919  Senecio integerrimus var. exaltatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54238 Plumas About 3 miles southeast of Mt. Hough on the road to Quincy 1737 Comment
  CHSC37028  Senecio integerrimus var. exaltatus M. S. Taylor 1982-5-7 4416 Plumas Ramelli Ranch, s side of Feather River, ca. 1/4 mi e of Calpine Rd (109), ca. 1/2 mi sw of Beckwourth. 1487 Comment
  JEPS37224  Senecio integerrimus var. exaltatus W. L. Jepson 1910-6-5 4063 Plumas Warner Valley 1524 Comment
  UC1063250  Senecio integerrimus var. exaltatus E. Sawyer 1935-6-25 154 Plumas 1.5 mi e Crow; Plumas National Forest, Sierraville Quad. 1676 Comment
  CAS-BOT-BC364037  Senecio integerrimus var. major John Thomas Howell; Gordon H. True 1967-7-11 43322 Plumas About 3 miles southeast of Mt. Houth [Hough] 1706 Comment
  CAS-BOT-BC364038  Senecio integerrimus var. major Gladys L. Smith 1976-6-7 4609 Plumas South end of summit ridge, secondary road from Quincy to La Porte 1920 Comment
  CHSC20984  Senecio triangularis F. T. Griggs; A. Pass 1975-7-11 159 Plumas Buck's Lake. Comment
  CHSC90299  Sericocarpus oregonensis L. P. Janeway 1994-8-20 4739 Plumas Northern High Sierra Nevada. About 0.5 mi northeast of Mt. Ararat; along Road 23N19 2.5 mi south of Road 23N60. 1729 Comment
  SBBG128050  Sericocarpus oregonensis L. Ahart, J. Dittes 2009-8-28 16358 Plumas NE side of Forest Service Rd 27N98, headwater of Clear Crk, ca. 1.9 mi NNE of Butt Valley Reservoir Dam, ca. 3 mi SW of Lake Alamnor Reservoir Dam 1476 Comment
  UC711967  Sericocarpus oregonensis subsp. californicus Roxana S. Ferris and Laura Lorraine 1941-8-8 10418 Plumas 3 mi from, on road to Lake Almanor Greenville Comment
  UC88048  Sericocarpus oregonensis subsp. californicus Mrs. R. M. Austin 1896-9-1 415 Plumas hills near Quincy Comment
  CHSC20781  Sidalcea glaucescens K. R. Stern 1975-7-24 5834 Plumas SW shore of Lake Almanor. 1371 Comment
  JEPS114514  Sidalcea glaucescens Lowell Ahart 2008-8-13 15172 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
  SEINET7085246  Sidalcea glaucescens Steven R. Hill 2010-7-17 38559 Plumas About 0.8 kilometers south of the southeast corner of Little Grass Valley Reservoir; alongside road (to east side of reservoir) 90 meters southeast of the main road from La Porte to reservoir. Plumas National Forest, South Fork Feather River headwaters near campground. Coordinate Datum: WGS84/NAD83. 1563 Comment
  UCR123524  Sidalcea glaucescens George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6870 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  SBBG122785  Sidalcea glaucescens B. Ertter 1989-7-4 8680 Plumas 2.2 mi W of Jct of Hway 89 and Hwy 36, SW of Chester 1463 Comment
  CHSC102640  Sidalcea oregana subsp. spicata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16134 Plumas On the west side of Forest Service Road 27NO2K, 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
  SEINET9004725  Sidalcea oregana var. spicata S. Batiuk, D. Matthews, J. Jaggers, A. Kowal 2011-8-31 NV 030 -647 Plumas Grizzly Creek Ranch, near pond. 1506 Comment
  CAS-BOT-BC384317  Silene bernardina John Thomas Howell; Gordon H. True 1973-7-31 50113 Plumas Summit ridge of Thompson Peak. Diamond Range 2194 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
  SD61135  Silene bridgesii Darley F. Howe 1964-7-29 3893 Plumas Gold Lake Lodge, Plumas National Forest. 1980 Comment
  CAS-BOT-BC386987  Silene douglasii Ahart Lowell 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk. 1800 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
  CAS-BOT-BC386988  Silene douglasii L. P. Janeway 1991-8-23 4093 Plumas Gold Lake. Between Gold Lake HWy and Gray Eagle Creek, 1.0 mi north of turm to Gray Eagle Lodge. 1691 Comment
  SD46528  Silene douglasii Robert J. Weatherby 1950-8-11 1507 Plumas On trail near Long Lake, Lakes Basin Area, North Sierra Nevada Mountains. 1980 Comment
  SDSU4489  Silene douglasii D. F. Howe 1964-8-4 3935 Plumas Near Gold Lake Lodge, Plumas National Forest. 1981 Comment
  JEPS118429  Silene invisa Lowell Ahart 2011-9-20 17683 Plumas Open area along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  CHSC88824  Silene laciniata subsp. californica L. Hanson 1981-7-28 162 Plumas Plumas National Forest. On Browns Hill Ridge. 1341 Comment
  CAS-BOT-BC389388  Silene lemmonii Rimo Bacigalupi 1927-7-11 1709 Plumas Grassy Lake Meadows, Gold Lake Region 1889 Comment
  CHSC53583  Silene lemmonii L. P. Janeway 1990-7-2 3754 Plumas Plumas National Forest. Ca 100 ft west of Paradise Cr and ca 3/4 mi south of Little Grizzly Cr. 1889 Comment
  CAS-BOT-BC389387  Silene lemmonii Anna Head 1921-7-11 s.n. Plumas Lake Center Camp, Feather River Region Comment
  SEINET3840897  Silene lemmonii G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1981-6-23 3142 Plumas 3.25 miles west of Round Valley Reservoir Dam, 0.25 miles east of junction with road to Canyon Dam (i.e. south arm of Lake Almanor 1630 Comment
  UCSB15992  Silene lemmonii Breedlove, Dennis 1962-6-12 Plumas Bank of Jackson Creek; upper rrainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 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
  CHSC36334  Silene nuda M. S. Taylor 1982-6-28 4764 Plumas Ramelli Ranch, sw of jct of Hwy 70 and Calpine Rd, ca. 1 mi w of Beckwourth. 1487 Comment
  JEPS127610  Silene nuda B. Castro with Brian Humphrey 2015-7-8 2095 Plumas 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 450 feet below edge of Ponderosa-Jeffrey pine forest. Comment
  RSA7884  Silene nuda H. A. Barker 1927-7-16 s.n. Plumas Along Feather River near Mohawk. 1372 Comment
  SJSU14273  Silene nuda N. A. Hopkins 1989-7-2 1554 Plumas by Marble Hot Springs Rd, Sierra Valley 1524 Comment
  CHSC56535  Silene occidentalis subsp. occidentalis L. P. Janeway 1984-7-13 918 Plumas Near Grizzly Creek campground (southwest of Bucks Lake). Meadow near small creek bank. 1584 Comment
  CAS-BOT-BC75110  Sisymbrium altissimum Alice Eastwood 1927-6-11 14444 Plumas Crescent Mills. United States Forest Preserve. Comment
  SEINET10874427  Sisymbrium altissimum Mary Susan Taylor 1982-9-13 Taylor 5132 Plumas T23N R14E sw/nw sec 28. Portola quad. Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 4880 ft. 1487 Comment
  RSA699782  Sisyrinchium bellum Lowell A. Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11169 Plumas About 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2140 Comment
  SD147665  Sisyrinchium halophilum Fred Sommers, Greg Sommers 1976-6-11 1393 Plumas Sierra Valley Marsh, in field on south side of Dyson Lane, 1 km east of metal bridge. 1524 Comment
  UCD128139  Sium suave Malcolm A. Nobs; S. Galen Smith 1949-8-19 1458 Plumas Southeastern side of Portola. Comment
  UC1134653  Smilacina racemosa G. T. Nordstrom 1934-7-20 241 Plumas 1/2 mi nw Edmanton; Plumas National Forest, Bidwell Bar Quadrangle 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
  UC844173  Smilacina racemosa Anna Head July 1921 Plumas Indian Pk. Feather River Region 2133 Comment
  SEINET12320790  Solanum parishii Unknown 1968-1 s.n. Plumas ca 30 mi N of Oroville on Hwy 70 Comment
  CAS-BOT-BC365509  Solidago elongata Anna Head 1921-8-13 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CAS-BOT-BC365516  Solidago elongata L. W. Swift 1934-7-26 123 Plumas Plumas National Forest. Butterfly Valley 1097 Comment
  UC1070241  Solidago elongata G. T. Nordstrom 1934-7-17 230 Plumas 1 1/2 mi s and 1/2 mi e Bucks Mtn.; Bidwell Bar Quad., Plumas National Forest Comment
  UC36234  Solidago elongata D. Cleveland Jul 1882-Jul 1889 Plumas Comment
  CAS-BOT-BC365754  Solidago spectabilis F. Sommers 1976-8-10 1186 Plumas Sierra Valley along Marble Lane 1487 Comment
  SDSU533  Solidago spectabilis D. F. Howe 1961-8-4 3133 Plumas East side of Lake Almanor, 6 miles from junction with #89 at south end of lake. 1372 Comment
  CAS-BOT-BC365117  Solidago velutina subsp. californica John Thomas Howell 1959-9-21 34736 Plumas Belden 701 Comment
  CAS-BOT-BC365118  Solidago velutina subsp. californica John Thomas Howell 1961-9-22 36816 Plumas Greenville 1088 Comment
  CAS-BOT-BC157315  Sorbus californica Anna Head 1921-1-1 s.n. Plumas Feather River Region Comment
  JEPS123938  Sorbus californica Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20420 Plumas On the west side of Blue Lake, 2,710 feet north of Forest Service Road 29N18, 2,89 air miles west-southwest of Sifford Mt., 6.26 air miles south-southeast of Lassen Peak. Comment
  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
  CHSC36916  Sparganium emersum subsp. emersum M. S. Taylor 1982-8-17 5007 Plumas In Little Summit Lake, ca. 5 air mi ne of Sloat. 1798 Comment
  CHSC47592  Sparganium emersum subsp. emersum Lowell Ahart 1980-9-17 2657 Plumas On the south side of the lake, about 1/2 mile west of Fowler Peak, about 8 miles north of La Porte. 1524 Comment
  CHSC92203  Sparganium emersum subsp. emersum Lowell Ahart; John Dittes 2005-9-20 12430 Plumas In Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  CAS-BOT-BC390060  Spergularia W. Harnach; N. Harnach 1990-4-18 258 Plumas Sierra Valley. Marble hot well 1487 Comment
  CHSC95023  Spergularia rubra Lowell Ahart 2006-10-23 13480 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 40 yards south of where the road ends, about 10 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
  SEINET11933015  Spergularia rubra W. Knight, Knight, I. 1983-1 4920 Plumas near confluence of North Fork of Feather Ri., and Warner Creek, between Drakesbad and Chester 1494 Comment
  SJSU14212  Sphaeromeria potentilloides N. A. Hopkins 1989-5-27 1497 Plumas near Marble Hot Springs Rd, Sierra Valley 1524 Comment
  SD7627  Sphenosciadium capitellatum Daniel Cleveland 26 Jul Plumas Beg Spring, Big Meadows. Comment
  SEINET7722232  Spiraea betulifolia Unknown Plumas Spanish Peak Comment
  JEPS46110  Spiraea densiflora Duncan Dunning 1922-7-16 Plumas 4 mi n Gibsonville; Onion Valley Comment
  CHSC91748  Spiraea douglasii G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16283 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area: edge of bog. 1158 Comment
  HSC19749  Spiraea douglasii L. S. Rose 1969-6-24 69049 Plumas Butterfly Valley, W of Keddie 1159 Comment
  HSC19752  Spiraea douglasii W. R. Rogers 1966-8-24 207 Plumas Near Snake Lake Comment
  JEPS88391  Spiraea douglasii Vernon H. Oswald and Lowell Ahart 1996-7-15 8025 Plumas e side of arm of Lake Almanor extending n from the Highway 36 causeway, s of tthe point where road to Last Chance Campground (28N11) begins to parallel lake Lake Almanor; High Cascade Range, Lake Almanor 1371 Comment
  RSA122179  Spiraea douglasii B. O. Schreiber 1938-7-9 2522 Plumas 1 mile E of Meadow Valley. 762 Comment
  UC1075660  Spiraea douglasii Robert J. Weatherby 1950-7-28 1499 Plumas near Quincy (border and in Smith Lake (above Snake Lake)); Smith Lake 1249 Comment
  UC1128718  Spiraea douglasii F. W. Embree 1934-6-6 86 Plumas Three Lakes; Plumas National Forest, Bidwell Bar Quad. 1889 Comment
  UC711919  Spiraea douglasii Roxana S. Ferris and Laura Lorraine 1941-8-8 10416 Plumas 3 mi from Greenville (on road to Lake Almanor) Comment
  CAS-BOT-BC152538  Spiraea splendens Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  UC336565  Spiranthes porrifolia C. C. Parry and J. G. Lemmon 1876-1 Plumas Indian Valley; N. Cal. Comment
  CHSC94019  Spiranthes romanzoffiana R. Fischer 2005-9-5 665 Plumas Location about 1 miles south of Sunflower Flat trail head at end of county road 26N31 in mixed coniferous forest. Plants growing at meadow edge of Frog Lake in an area of mixed pine and fir forest. 1889 Comment
  POM312933  Spiranthes romanzoffiana Malcolm A. Nobs, S. Galen Smith 1949-8-19 1445 Plumas Butterfly Valley. Comment
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Sep 30 2013
  CHSC102124  Stachys ajugoides var. rigida Lowell Ahart; John Dittes 2009-7-27 16168 Plumas On damp to dry soil, on the small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC75922  Stachys ajugoides var. rigida G. F. Hrusa 1996-8-2 13442 Plumas Sierra Nevada. Steep rocky slopes at SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Near pool of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1900 Comment
  RSA754368  Stachys ajugoides var. rigida L. Ahart, John Dittes 2009-7-27 16168 Plumas Headwaters of Grizzly Gulch, 2.1 air miles NE of Butt Valley Reservoir Dam. 1480 Comment
  JEPS62976  Stachys ajugoides var. rigida W. L. Jepson 1924-7-22 10621 Plumas near Rich Point (Dogwood Creek); Middle Fork Feather River 1127 Comment
  POM284550  Stachys rigida subsp. rivularis Lyman Benson 1932-7-29 3985 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  CHSC103123  Stellaria crispa Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16106 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CHSC73942  Stellaria crispa B. Castro; L. P. Janeway 1998-8-29 834 Plumas Fowler Lake Proposed SIA. Ca 2 air mi N of Little Grass Valley Reservoir, at Fowler Lake. Within 15 ft of S edge of lake. 1661 Comment
  JEPS115898  Stellaria crispa Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16106 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  JEPS51128  Stellaria longipes var. longipes W. L. Jepson 1910-6-4 4054 Plumas Big Meadows 1310 Comment
  CAS-BOT-BC375051  Stenotus acaulis G. D. Barbe 1982-6-9 3664 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest 2057 Comment
  CDA19249  Stenotus acaulis G. D. Barbe, T. C. Fuller 1982-6-17 3812 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  JEPS114506  Stephanomeria lactucina Lowell Ahart 2008-8-14 15195 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  CAS-BOT-BC322969  Stephanomeria tenuifolia Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  UC63151  Stephanomeria tenuifolia H. M. Hall and E. B. Babcock 1903-1 4434 Plumas Indian Valley Sierra Nevada Mountains 1097 Comment
  CAS-BOT-BC87780  Streptanthus tortuosus John Thomas Howell 1951-6-26 27543 Plumas Sierra Nevada. Feather River Canyon. 853 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