Search Results — 2000 specimen records retrieved (1410 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78050  Abies concolor A. L., Mrs. Coombs 1912-9-1 s.n. Plumas Big Meadows Comment
  SEINET10530580  Abies magnifica Mary Susan Taylor 1981-9-10 Taylor 4273 Plumas California: T26N R9E n 1/2 sec 30. Almanor SE quad. Head of Bullfrog Ravine. Plumas County. 5700 ft. 1737 Comment
  UCD19139  Acer glabrum W. B. McHenry 1990-5-21 s.n. Plumas Bucks Lake. Comment
  CAS-BOT-BC330954  Acer glabrum var. glabrum John Thomas Howell; Gordon H. True 1967-7-11 43340 Plumas Sierra Nevada. Summit ridge of Mt. Hough 2194 Comment
  CAS-BOT-BC333232  Acer macrophyllum W. W. Wagner 1919-6-12 284 Plumas Massack Creek near Quincy 1371 Comment
  UC1125398  Achillea millefolium E. Sawyer 1935-6-24 142 Plumas 1 mi ese Crow; Sierraville Quadrangle 1676 Comment
  CAS-BOT-BC28736  Achillea millefolium Javier Penalosa 1962-6-19 2494 Plumas Hwy 40-89, 6.2 miles SE of Quincy 1097 Comment
  CDA14688  Achnatherum lemmonii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3156 Plumas Long Valley, 0.4 mile south of Dixie Canyon-Round Valley and Canyon Dam roads, at Maxwell Mine Road. 1633 Comment
  JEPS115905  Achnatherum lemmonii Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16123 Plumas West of a man made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  POM198336  Achnatherum lemmonii var. lemmonii H. S. Yates 1912-6-14 s.n. Plumas Portola 1524 Comment
  CAS-BOT-BC210846  Achnatherum occidentale subsp. californicum Thomas H. Kearney 1944-8-14 14 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC210848  Achnatherum occidentale subsp. californicum George W. Gillett 1957-7-13 759 Plumas Lassen Volcanic National Park. Below Sifford Lakes, along direct route to the Devils Kitchen 2057 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
  JEPS113819  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
  UCD144322  Achnatherum occidentale subsp. californicum G. F. Hrusa; T. D. Wilfred 1996-8-1 13411 Plumas Approximately 1/4 mile south of intersection of USFS 24n42 and 24N66, approx. 1 mile south of Brady's Camp, Plumas National Forest. 1880 Comment
  UC1037096  Achnatherum occidentale subsp. occidentale Leo Whitney 1934-8-11 2189 Plumas ca 10 mi nw Portola (Big Grizzley Valley); Pluams National Forest, Big Grizzley Valley 1828 Comment
  UC1133183  Achnatherum occidentale subsp. occidentale C. W. Hanks 1934-8-8 16 Plumas ridge top, nw end of Sierra Valley Plumas National Forest, Sierraville Quadrangle, Sierra Valle 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
  CAS-BOT-BC210928  Achnatherum occidentale subsp. pubescens John Thomas Howell 1962-6-19 37840 Plumas The Buttes, n. Sierra Valley 1493 Comment
  JEPS106230  Achnatherum thurberianum Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11152 Plumas On the north side of a forest road, southwest of a small meadow and seeps, 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 2124 Comment
  CAS-BOT-BC217995  Achnatherum webberi John Thomas Howell; Gordon H. True 1973-7-31 50122 Plumas Summit ridge of Thompson Peak, Diamond Range 2133 Comment
  CHSC100424  Acmispon americanus var. americanus Lowell Ahart 2008-9-10 15381 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
  CHSC81118  Acmispon americanus var. americanus Lowell Ahart 2001-8-29 9261 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC391466  Aconitum columbianum subsp. columbianum Mary Strong Clemens 1920-6-28 s.n. Plumas Quincy Comment
  CAS-BOT-BC391468  Aconitum columbianum subsp. columbianum Anna Head 1920-7-15 s.n. Plumas Gray Eagle Meadows, near L.C.C., Feather River Region Comment
  CAS-BOT-BC412609  Aconogonon alaskanum Anna Head 1921-8-5 s.n. Plumas Near outlet of Bear Lake, Feather River Region 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
  SEINET10536069  Actaea rubra subsp. arguta Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3828 Plumas T24N R10E nw/se sec 25, Spring Garden quad. By creek, entering Greenhorn & Estray Creeks, W side of Williams Loop, ca. 0.2 mi S of Spring Garden Overpass on Hwy 70, ca. 1.5 mi W of Spring Garden. 3900 ft. 1189 Comment
  UC88428  Adenocaulon bicolor Mrs. R. M. Austin 381 Plumas ?iney? <illegible, see label> Comment
  CHSC117651  Agastache urticifolia Lowell Ahart 2016-8-30 21323 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
  CHSC70799  Agastache urticifolia B. Castro 1989-8-17 396 Plumas Ca 13 air mi E of Greenville, ca 2.5 mi N of Kettle Rock, in Mud Lake Research Natural Area on Plumas NF. 2042 Comment
  CHSC75508  Agastache urticifolia G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13276 Plumas Plumas National Forest. Sites adjacent to Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 1950 Comment
  SEINET13948396 Image available Agastache urticifolia Ethel Crum 1937-1 1947 Plumas Along creek, open glad in coniferous forest. Three miles west of Lake Almanor. Alt 5000 ft 1524 Comment
  CAS-BOT-BC29600  Agoseris X dasycarpa W. Harnach; N. Harnach 1989-6-29 197 Plumas Sierra Valley, Marble Lane. 1487 Comment
  SEINET10475085  Agoseris aurantiaca Mary Susan Taylor 1982-8-9 Taylor 4944 Plumas T26N R8E se sec 3. Almanor NE quad. Along creek in wet & dry area, e side of 26N16Y, just n of Rattlesnake Hill, ca. 3 mi sse of Canyon Dam. Mixed Evergreen Forest; 6100 ft. 1859 Comment
  SEINET10938139  Agoseris glauca Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3868 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  CDA20913  Agoseris glauca var. laciniata G. D. Barbe, T. C. Fuller 1982-7-16 3756 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
  CHSC96846  Agoseris glauca var. laciniata Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14040 Plumas Under pine trees, about 150 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CAS-BOT-BC29653  Agoseris grandiflora var. grandiflora John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54118 Plumas Quincy 1036 Comment
  CAS-BOT-BC13433  Agoseris retrorsa Alice Eastwood 1927-6-13 14546 Plumas Forest Lodge, Greenville, United States Forest Reserve. Comment
  SEINET5335829  Agropyron trachycaulum var. trachycaulum M. Foster 1988-7-15 175 Plumas On either side of Big Grizzly Creek, 0.5 mile S of Walker Mine Road, 1 mile W of Lake Davis, 12 miles NNW of Portola. 1768 Comment
  CDA23052  Agrostis G. D. Barbe 1981-6-23 3087 Plumas East Quincy; vacant lot east of Lariat Lodge. 0 Comment
  CAS-BOT-BC127495  Agrostis capillaris John Thomas Howell 1975-6-15 51129 Plumas Sierra Nevada. Waste Ground, Quincy. 1036 Comment
  CAS-BOT-BC127085  Agrostis exarata John Thomas Howell 1960-7-22 35883 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC127099  Agrostis exarata Lowell Ahart 1980-8-12 2561 Plumas Sierra Nevada. Along Slate Creek. 1250 Comment
  JEPS113788  Agrostis exarata Lowell Ahart, Josephine Guardino 2007-7-21 14358 Plumas Along a small stream, near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  CAS-BOT-BC139617  Agrostis gigantea Hans Leschke 1959-8-2 1589 Plumas Lassen Volcanic National Park. Manzanita Lake. 1784 Comment
  SEINET10510252  Agrostis idahoensis Vernon H. Oswald, Lowell Ahart 1991-7-30 Oswald 4795 Plumas Big Springs on the W side of Humbug Valley, ca. 6 miles (air) ENE of Humbug Summit, ca. 12 miles (air S of Chester. Scattered plans along the edge of a downed log on a open patch of quaking sphagnum bog within the fenced enclosure at the springs. Comment
  CDA13973  Agrostis pallens G. F. Hrusa 1996-8-2 13437 Plumas Sierra Nevada; 1 mi. NW of Argentine Rock. on trib. of Squirrel Creek. Comment
  CDA17224  Agrostis pallens G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16327 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC138716  Agrostis scabra Lowell Ahart 1980-10-6 2667 Plumas Sierra Nevada. Lake, 0.5 mile west of Fowler Peak. 1700 Comment
  SACT000172  Agrostis scabra Malcolm Nobs, S. Smith 1949-8-18 Plumas Plants caespitose; in bloom in water, past blooming on dried areas Comment
  UCD53339  Agrostis scabra Elizabeth Wilson 1939-7-12 s.n. Plumas Greenville. 1524 Comment
  JEPS107622  Agrostis stolonifera Lowell Ahart, Josephine Guardino 2005-8-9 12298 Plumas In a meadow, about 100 yards southwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  CAS-BOT-BC131954  Allium Javier Penalosa 1962-6-19 2483 Plumas Hghwy. 40-89, +/- 6.2 mi. SE of Quincy 1097 Comment
  RSA63112  Allium campanulatum L. S. Rose 1951-6-27 51046 Plumas Jamison Creek, SW of Johnsville. 1890 Comment
  UC635261  Allium campanulatum H. L. Mason 1924-6-15 1033 Plumas Graeagle Comment
  CAS-BOT-BC466473  Allium campanulatum W. W. Wagner 1919-6-7 278 Plumas Open hillside Sockem Cr. near Quincy 1371 Comment
  CAS-BOT-BC466623  Allium campanulatum Frank W. Peirson 1926-6-21 6805 Plumas Quincy. Northern Sierra Nevada 2074 Comment
  CDA33242  Allium campanulatum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3129 Plumas 3.25 miles west of Round Valley Reservoir Dam , 0.25 mile east of road to Canyon Dam. Comment
  JEPS61487  Allium campanulatum W. L. Jepson 1910-6-6 4077 Plumas Pine flats, Hot Springs Valley Hot Springs Valley 1828 Comment
  RSA101470  Allium campanulatum R. Weatherby 1955-7-2 1569 Plumas Bear Ridge near Taylor Lake. 2195 Comment
  RSA70444  Allium campanulatum F. W. Peirson 1926-6-21 6805 Plumas Open flat strip along shore of Lake Almanor. Comment
  UCD141841  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
  SJSU14346  Allium parvum N. A. Hopkins 1990-5-12 1612 Plumas 16 mi NW of Beckwourth on rd to Genesee 1676 Comment
  UC1585996  Allium platycaule Barbara Ertter with Gary Schoolcraft 1989-7-3 8654 Plumas ca. 8 air mi s Susanville (n side of Red Rock); Red Rock 2286 Comment
  CAS-BOT-BC474091  Allium platycaule Michael A. Vincent 1999-6-8 8549 Plumas Plumas National Forest, Milford Ranger District, Along FS 28N03 between FS 27N25 and FS 26N16 Comment
  CDA33254  Allium platycaule G. D. Barbe 1982-6-9 3657 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. 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
  CAS-BOT-BC476725  Allium validum Lloyd W. Swift 1932-7-17 68 Plumas Oats Meadow in Grass Valley 1584 Comment
  NY380655  Allocarya ambigens A. A. Heller 1907-7-2 8682 Plumas Between Vinton and Beckwith Comment
  CDA18452  Allophyllum integrifolium G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3190 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
  JEPS124000  Allophyllum integrifolium Lowell Ahart 2015-7-4 20285 Plumas About 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles (air) north of Little Grass Valley Reservoir Dam. Comment
  RSA59689  Alnus incana subsp. tenuifolia E. K. Balls 1950-9-9 15758 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 Comment
  UC917264  Alnus incana subsp. tenuifolia J. M. Tucker 1948-7-24 1727 Plumas boggy area near road from Cascade to Camel Peak 1615 Comment
  CAS-BOT-BC170696  Alnus rhombifolia John Thomas Howell 1959-9-24 34943 Plumas Spanish Creek at mouth of Butterfly Creek. Sierra Nevada 883 Comment
  CAS-BOT-BC170698  Alnus rhombifolia A. A. Heller; P. B. Kennedy 1907-7-15 8841 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  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
  UCD110003  Alnus rhombifolia Matt Georgeff 1992-5-16 24 Plumas 0.7 mi from French Bar, Feather R. 731 Comment
  SEINET8074293  Alnus rhombifolia A. A. Heller, P. B. Kennedy 1907-7-15 8841 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  JEPS76231  Alopecurus aequalis W. L. Jepson 1939-8-12 19397 Plumas Ferris Creek - branch of Last Chance Creek 1767 Comment
  SEINET11688364  Alopecurus aequalis Unknown 1985-1 5098 Plumas ca 4.25 mi NE of La Porte, Little Grass Valley Res. where South Fork of Feather River flows in lake 1585 Comment
  CAS-BOT-BC138115  Alopecurus aequalis var. aequalis John Thomas Howell 1951-6-28 27732 Plumas Eureka Lake. 1889 Comment
  UCD55898  Alopecurus geniculatus John Thomas Howell 1960-7-22 35882 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  SEINET10937691  Amaranthus albus Mary Susan Taylor 1982-9-7 Taylor 5098 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 4880 ft. Dry sandy soil; open Riparian. 1487 Comment
  UCD97196  Amaranthus blitoides John Thomas Howell 1959-9-25 35002 Plumas 2 miles east of Portola. 1484 Comment
  UCSB64013  Amaranthus powellii Ahart, Lowell 1981-9-6 Plumas Along Indian Creek, about 1/2 miles sout-west of the intersection of Highway 89 and Arlington Road, about 1 1/2 miles south-west of Crescent Mills 1097 Comment
  CAS-BOT-BC13542  Ambrosia acanthicarpa John Thomas Howell 1959-9-25 34981 Plumas Portola 1478 Comment
  CHSC105641  Ambrosia acanthicarpa Lowell Ahart; John Dittes 2010-10-5 17301 Plumas On the east side of Highway 49, 830 feet north of the Plumas-Sierra county line, 2.7 miles (air) northeast of Loyalton, 6.9 miles (air) southwest of Vinton. 1508 Comment
  CHSC112647  Ambrosia acanthicarpa Lowell Ahart 2013-9-11 19026 Plumas On the west side of the paved road, on the north side of Antelope Lake, about 1/2 mile west of Antelope Creek, about 16 miles (air) northeast of Taylorsville. 1584 Comment
  CHSC50813  Ambrosia acanthicarpa Vernon Oswald; Lowell Ahart 1990-7-25 4401 Plumas Vinton Cemetery on Hwy 70, 0.9 mi east of Vinton. 1524 Comment
  JEPS120755  Ambrosia acanthicarpa Lowell Ahart 2013-9-11 19026 Plumas On the west side 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
  CDA10048  Ambrosia psilostachya L. 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. 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
  CHSC110938  Amelanchier alnifolia var. pumila L. P. Janeway 2010-11-15 10219 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 24N36 along the south side of the Oroville-Quincy Hwy; north side of Grizzly Creek; 0.8 km southwest of Grizzly Creek Campground. 1567 Comment
  JEPS114421  Amelanchier alnifolia var. semiintegrifolia Lowell Ahart 2008-7-9 15057 Plumas Steep north side of a good logging road , north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir 1645 Comment
  CAS-BOT-BC136794  Amelanchier utahensis Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  CAS-BOT-BC136800  Amelanchier utahensis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC136802  Amelanchier utahensis L. P. Janeway; Garrett Gibson 1992-6-16 4236 Plumas About 0.5 mi north-northwest of Beckwourth Peak and 2.5 mi south-southeast of Portola 1889 Comment
  CHSC115843  Amelanchier utahensis Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20418 Plumas On the west side of Blue Lake, 2710 feet north of Forest Service Road 29N18, 289 air-miles west-southwest of Sifford Mt., 6.26 air-miles south-southeast of Lassen Peak. 1918 Comment
  UC1127769  Amelanchier utahensis F. W. Embree 1934-6-6 92 Plumas Three Lakes; Plumas National Forest, Bidwell Bar Quad. 1889 Comment
  UC1127780  Amelanchier utahensis G. T. Nordstrom 1934-7-17 232 Plumas 1.5 mi s and 0.5 mi e Bucks Mtn.; Plumas National Forest, Bidwell Bar Quad. 1524 Comment
  CAS-BOT-BC26832  Amsinckia helleri Amos Arthur Heller; P. B. Kennedy 1907-7-15 8850 Plumas Near mouth of Little Grizzly Creek below Genessee Comment
  CHSC100442  Anaphalis margaritacea Lowell Ahart 2008-9-10 15361 Plumas On both sides 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
  SEINET5525818  Anaphalis margaritacea I. W. Carpenter, Hicks, M. L. 1976-7-28 Plumas Mt. Lassen National Park Comment
  CAS-BOT-BC27020  Anemone californica John Robertson Scupham s.n. Plumas Mountain near Lot's Lake in the extreme western portion of Plumas Co. Comment
  CHSC35947  Anemone drummondii M. S. Taylor 1982-5-18 4470 Plumas Jcts of Rd 27N39 and 26N18, ca. 1/2 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1645 Comment
  CHSC98340  Anemone drummondii L. P. Janeway 2007-6-3 9014 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. Weathered reddish serpentine; gravelly flats around rock outcroppings. 1929 Comment
  CAS-BOT-BC391845  Anemone drummondii M. S. Taylor 1982-5-18 4470 Plumas Jct of Rds 27N39 and 26N18, ca. 1/4 mi e of Long Valley Mine, ca. 4 air mi w of Greenville 1645 Comment
  CHSC107447  Anemone drummondii var. drummondii Matt Simenc; Rebecca Joyner 2011-7-2 10 Plumas Northern High Sierra Nevada. 0.25 miles NW of Pacific Crest Trail where it crosses ridge top just South of Onion Valley Reservoir. North facing, gently sloped, serpentine ridge top. 2013 Comment
  UCD105969  Anemone drummondii var. drummondii Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 1524 Comment
  CHSC64058  Angelica breweri B. Castro; R. A. Schlising 1987-7-21 173 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N89 and 22N42 on somewhat rocky hillside below roads. 1539 Comment
  CHSC67452  Angelica breweri James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2556 Plumas Rich Gulch Rd. 3.0 mi N of Hwy. 70 on slope W of and adjacent to road (26N22) S of Red Mtn. turnoff. Comment
  HSC101687  Angelica breweri Dillon North Davis 2013-6-20 25 Plumas 7.4 miles east on FS Road 26N67 from the junction with Rush Creek Road. 1600 Comment
  CDA38187  Angelica breweri T. C. Fuller 1957-9-16 392 -57 Plumas Greenville. 0 Comment
  CAS-BOT-BC59303  Antennaria argentea Alice Eastwood 1927-6-17 14637 Plumas United States Forest Reserve. On trail to Long Valley. Comment
  SEINET5929455 Image available Antennaria argentea L. S. Rose 1967-1 67161 Plumas 6 mi N of Quincy jct. Comment
  CHSC57251  Antennaria dimorpha L. P. Janeway 1991-5-28 3969 Plumas Plumas National Forest. South side of Poco Creek ca 1 1/2 mi east of Red Clover Creek (south side of road 25N05). 1719 Comment
  UC485643  Antennaria geyeri Mrs. R. M. Austin 1885-7-1 Plumas Indian Valley Comment
  JEPS22816  Antennaria luzuloides E. Sawyer 1935-6-27 204 Plumas 1.4 mi se of Crow 1706 Comment
  UC1125568  Antennaria luzuloides E. Sawyer 1935-6-27 204 Plumas 1.4 mi se Crow; Sierraville Quad. 1706 Comment
  UC176433  Antennaria luzuloides A. A. Heller and P. B. Kennedy 1907-7-5 8737 Plumas Red Clover Valley Comment
  CAS-BOT-BC64786  Antennaria luzuloides subsp. aberrans John Thomas Howell 1962-6-18 37789 Plumas Sierra Valley near Beckworth 1487 Comment
  CHSC57406  Antennaria luzuloides subsp. aberrans L. P. Janeway; Garrett Gibson 1991-6-13 4006 Plumas Plumas National Forest. Ca 1/4 mi west-northwest of Claireville Flat, ca 1/2 mi southeast of Hwy 70 and Willow Creek. 1484 Comment
  CHSC97626  Antennaria luzuloides subsp. aberrans Lowell Ahart; John Dittes 2007-6-16 14138 Plumas On dry bare soil, 100 yards east of the small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 120 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-BC79930  Antennaria microphylla A. A. Heller; P. B. Kennedy 1907-7-5 8749 Plumas Red Clover valley Comment
  CAS-BOT-BC79968  Antennaria microphylla John Thomas Howell 1961-6-21 36597 Plumas Greenville 1097 Comment
  CAS-BOT-BC79973  Antennaria microphylla Anna Head 1921-7-14 s.n. Plumas Near Lake Center Camp, Feather River region Comment
  CAS-BOT-BC84606  Anthemis cotula Alice Eastwood 1927-6-18 14696 Plumas United States Forest Reserve. Greenville Comment
  CAS-BOT-BC137707  Anthoxanthum odoratum John Thomas Howell 1968-6-10 s.n. Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  RSA71312  Antirrhinum vexillocalyculatum subsp. intermedium L. S. Rose 1951-6-29 51057 Plumas Feather River Canyon near Grays Flat. 823 Comment
  UCD123491  Antirrhinum vexillocalyculatum subsp. intermedium D. Sanchez-Mata; R. Rodriguez-Rojo 1997-8-16 s.n. Plumas French Bar-Caribou. Plumas National Forest. Near North Fork of Feather River. 840 Comment
  CHSC55632  Apera interrupta K. R. Stern 1985-6-25 8295 Plumas Vicinity of Blairsden. 1402 Comment
  OBI10236  Aphanes occidentalis Lewis S. Rose 1967-5-7 67065 Plumas 3 mi W of Keddie. Butterfly valley 945 Comment
  SD52244  Aphyllon epigalium subsp. epigalium F. Stephens 1924-7-1 8329 Plumas Comment
  CHSC34864  Apocynum androsaemifolium M. S. Taylor 1981-7-27 4126 Plumas N side of Beckwourth-Genesee Rd, ca. 7 air mi e of Genesee. 1645 Comment
  CHSC52920  Apocynum androsaemifolium L. P. Janeway 1989-8-2 3545 Plumas Plumas National Forest. Above western branch of Bell Bar Cr.; 0.6 mi S of Middle Br. Feather River, and 1-3/4 mi NE of White Cap. 1493 Comment
  JEPS114517  Apocynum androsaemifolium Lowell Ahart 2008-8-14 15193 Plumas 30 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  RSA0035826  Apocynum androsaemifolium Lowell A. Ahart 2008-8-14 15193 Plumas 30 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  UC726467  Apocynum androsaemifolium A. A. Heller 1938-6-14 15157 Plumas near Gray's Flat on State Hwy. 36 Gray's Flat 868 Comment
  SEINET10454893  Apocynum pumilum Mary Susan Taylor 1981-7-27 Taylor 4132 Plumas T25N R11E (SE 1/4 NW 1/4) sec. 23. Genesse Valley quad. At pt in Ward Creek Rd., between Ward Creek and Peel Ridge, ca. 2 mi SE of Genesse. Dry rocky (metavolcanic) woods. 4500 ft. 1372 Comment
  CHSC100798  Aquilegia formosa R. A. Schlising; L. Ahart, J. Jokerst 1985-8-12 4471 Plumas Highway 70, along Feather River, 1.8 miles south of the crossing of Rich Gulch. Roadside seep. Comment
  CAS-BOT-BC397889  Aquilegia formosa Lowell Ahart 1983-8-17 4335 Plumas West of Pilot Pk., about 11 miles northeast of La Porte. South of Onion Valley, near the Qunicy La Porte Road. 2000 Comment
  SEINET10965675  Aquilegia formosa Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4335 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  POM99588  Aquilegia formosa var. truncata Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CDA14681  Arabis constancei G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3126 Plumas 2.65 miles west of Round Valley Reservoir dam. 1569 Comment
  HSC73108  Arabis constancei M. S. Taylor 1981-5-8 3649 Plumas Junction of roads 26N18, 26N92 and 27N92, 0.5 mi. E of Long Valley Mine, 4 air mi. W of Greenville 1616 Comment
  UC1351717 Image available Arabis constancei L. Constance and T. I. Chuang 1969-7-11 3875 Plumas 7.6 mi se Quincy (at Spring Garden Overpass, on road to Blairsden); ; SE of Quincy, Plumas Co. 1249 Comment
  SEINET10448413  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4478 Plumas T27N R8E nw/sw sec 36. Almanor NE quad. Open steep w facing serpentine ridge, s side of 27n92, ca. 2 air mi se of Canyon Dam. 5200 ft. 1585 Comment
  SEINET10874432  Arabis constancei Mary Susan Taylor 1981-6-22 Taylor 3942 Plumas T25N R8E se/ne sec 33 and sw/nw sec 34. Bucks Lake quad. Rocky serpentine outcrops on ridgetop, N side of 25N57, ca. 1.5 mi E of its jct with 25N17, ca. 4 air mi NW of Meadow Valley. 5100 ft. elev. 1554 Comment
  RSA101485  Arabis davidsonii R. Weatherby 1955-7-26 1553 Plumas Volcanic cliff above Mud Lake; Lakes Basin Area. 2195 Comment
  RSA0126329  Arabis hirsuta var. glabrata E. K. Balls 1950-9-15 15826 Plumas 6 miles NW of Chester, North Fork Feather River. 1402 Comment
  SEINET10907253  Arabis holboellii var. pinetorum Mary Susan Taylor 1981-5-10 Taylor 3666 Plumas T25N R11E ne sec 12. Greenville SE quad. N side of Genesee Valley Rd, ca. 4 mi W of Genesee. Oak-Pine Forest; 3600 ft. Dry soils in partial shade. 1097 Comment
  CDA18445  Arabis holboellii var. retrofracta G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3170 Plumas Sierra Nevada; Plumas National Forest. 4.6 miles south of junction Long Valley and Rush Creek Roads, 1402 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
  CAS-BOT-BC171674  Aralia californica David D. Keck 1932-7-3 1702 Plumas Water supply canyon to the left hand just south of town, Quincy - Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC523784  Arceuthobium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54096 Plumas Sierra Nevada: 10.6 mi NE of La Porte on road to Quincy 1889 Comment
  CAS-BOT-BC407729  Arceuthobium abietinum John Thomas Howell 1960-7-21 35820 Plumas near Terminal Geyser 1798 Comment
  UC1076328  Arceuthobium americanum Herbert L. Mason 1924-6-20 1079 Plumas near lake Gold Lake Comment
  CHSC54867  Arceuthobium californicum Vernon H. Oswald 1991-8-23 4840 Plumas Lassen Volcanic Park. Trail from the outlet of Juniper Lake to the summit of Mt. Harkness. 2255 Comment
  RSA755810  Arceuthobium californicum L. Ahart, John Dittes 2009-7-14 16070 Plumas On sides of Forest Service Road 27N92, about 1.9 air miles southeast of Seneca, about 6 air miles south of Lake Almanor Reservoir Dam. 1678 Comment
  SEINET3239908  Arceuthobium californicum R. L. Mathiasen 2010-1 1014 Plumas 0.8 km from rd. to Bucks Lake on rd. to Silver Lake. 1250 Comment
  CAS-BOT-BC409919  Arceuthobium campylopodum John Thomas Howell; Gordon H. True 1967-7-11 43373 Plumas 2 miles SE of Mt. Hough 1828 Comment
  SEINET10969531  Arceuthobium campylopodum Mary Susan Taylor 1981-8-5 Taylor 4160 Plumas T28N R12E se 1/4 sw 1/4 sec 32. Kettle Rock quad. At jct of Pierce & Indian Creeks, ca. 1 mi N of Fruit Growers Blvd. ca. 2 air mi W of Antelope Lake. Granitic soils. 5500 ft. 1676 Comment
  CAS-BOT-BC24155  Arctostaphylos W. Harnach; N. Harnach 1990-4-13 255 Plumas N slope on rocky soils of volcanic origin, Sierra Valley. Barry Hill (McElroy on maps). 1615 Comment
  CAS-BOT-BC24176  Arctostaphylos Gladys L. Smith 1976-6-7 4583 Plumas North end of summit ridge, secondary road from Rt. 70 to La Porte. 1950 Comment
  RSA0091943  Arctostaphylos Bonnie C. Templeton 1968-1 11294 Plumas [No location data on label. Possibly Trinity County.] Comment
  CAS-BOT-BC38486  Arctostaphylos mewukka subsp. truei John Thomas Howell 1966-7-26 42005 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  CAS-BOT-BC38615  Arctostaphylos mewukka subsp. truei John Thomas Howell 1959-9-21 34779 Plumas N. Fork Feather River near Belden 701 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
  SD147588  Arctostaphylos mewukka subsp. truei John Thomas Howell 1976-4-2 51570 Plumas Injun Jim Campground, North Fork Feather River. 609 Comment
  CDA18487  Arctostaphylos nevadensis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3375 Plumas Sierra Nevada; Walker Plains. Along the Plumas-Butte county line. 1554 Comment
  CAS-BOT-BC42096  Arctostaphylos patula John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1968-6-11 2414 Plumas Butterfly Botanical Area, Trestle Glen 1097 Comment
  OBI69255  Arctostaphylos patula Kristina L. Schultz, Dan Schultz 2000-11-3 8 Plumas Quincy Range. Off trail at the intersection of Jackson St. and Old Meadow Valley rd Comment
  SBBG44166  Arctostaphylos patula K. K. Muller 1965-8-19 1354 Plumas near Chester Comment
  UC566007  Arctostaphylos patula E. Nourse 1934-9-4 29 Plumas E. Clermont Mountain Downieville Quadrangle 2133 Comment
  UCD53265  Arctostaphylos patula John M. Tucker 1948-7-24 1730 Plumas Ca. 1/2 mile northeast of Camel Peak. Comment
  RSA584781  Arctostaphylos patula Gladys L. Smith 1976-6-7 4582 Plumas Secondary road between Route 70 and La Porte 1951 Comment
  SEINET11991594  Arctostaphylos patula M. S. Taylor 1982-1 4717 Plumas both sides of 23N10-Peoria Cr Rd, 0.3 mi W of Peoria Cr, ca 3 air mi SW of Sloat 1402 Comment
  HSC7751  Arctostaphylos viscida L. S. Rose 1967-5-7 67067 Plumas 3 mi. W of Keddie, Butterfly Valley 945 Comment
  UCD52640  Arctostaphylos viscida C. G. Albertus 1935-7-23 227 Plumas 1/2 mile S. of Argentine 1341 Comment
  CAS-BOT-BC47071  Arctostaphylos viscida subsp. viscida John Thomas Howell; Gordon True 1967-5-8 42201 Plumas Butterfly Valley. 1036 Comment
  SEINET11993352  Arctostaphylos viscida subsp. viscida W. Knight, Knight, I. 1986-1 5220 Plumas between bridge over north fork of Feather River near Pulga & Jarboe Gap 640 Comment
  UC1585889  Arenaria congesta var. suffrutescens Barbara Ertter with Gary Schoolcraft 1989-7-3 8666 Plumas ca 7 airmiles s Susanville (open ridge between the two peaks); Diamond Mt peak 2316 Comment
  CHSC51219  Arenaria kingii var. glabrescens Lowell Ahart 1979-7-18 2001 Plumas About 1 mile west of Pilot Peak, east of the Quincy La Porte Road, about 12 miles north-east of La Porte. 1828 Comment
  CHSC82499  Arenaria kingii var. glabrescens Lowell Ahart 2002-6-26 9781 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  SD7867  Aristolochia californica R. M. Austin 1883-1 Plumas Comment
  CAS-BOT-BC82087  Arnica M. S. Taylor 1981-7-22 4105 Plumas On w side of Pine Creek Valley, ca. 1.5 mi n of Argentine Rock Lookout, ca. 6 air mi n of Spring Garden 2194 Comment
  CHSC54512  Arnica chamissonis Vernon H. Oswald 1991-8-8 4819 Plumas Lassen Volcanic Park. Just north of the south boundary of the park at Willow Lake, ca. 3 miles (air) southeast of Drakesbad. 1658 Comment
  SEINET6755560 Image available Arnica chamissonis A. A. Heller, P. B. Kennedy 1907-7-5 8750 Plumas Red Clover Valley Comment
  CAS-BOT-BC82358  Arnica cordifolia Anna Head 1921-7-21 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  UC134169  Arnica cordifolia Mrs. R. M. Austin 1896-7-1 616 Plumas Willow Lake Lassens Peak, Willow Lake Comment
  CHSC69696  Arnica discoidea Vernon H. Oswald; Lowell Ahart 1997-9-18 8883 Plumas Forest Road 26N36 at its intersection with 26N74, ca. 1 mi west of the south end of Butt Valley Reservoir. 1396 Comment
  RSA715707  Arnica discoidea L. Ahart 2005-8-10 12305 Plumas Northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1822 Comment
  CAS-BOT-BC82495  Arnica discoidea Lowell Ahart 1976-7-16 s.n. Plumas 5 miles northwest of Little Grass Valley Res.; about 0.5 mile above the Middle Fork of the Feather River 1828 Comment
  CDA14685  Arnica nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3141 Plumas 3.25 miles west of Round Valley Reservoir dam, 0.25 mile east of junction with road to Canyon Dam, south arm of Lake Almanor. 1633 Comment
  CHSC67617  Arrhenatherum elatius James D. Jokerst 1985-6-10 2406 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  CHSC57408  Artemisia arbuscula L. P. Janeway; Garrett Gibson 1991-6-24 4058 Plumas Plumas National Forest. North end of McReynolds Valley, ca 0.8 mi south of the '01' road in Squaw Valley. 1691 Comment
  CHSC118725  Artemisia arbuscula subsp. thermopola Noah Siegel 2015-7-17 2016021 Plumas Growing along Forest Road 27N57 on saddle between Kettle Rock and Eisenheimer Peak near Taylor Lake, Plumas National Forest. UTM 693311 E, 4448700 N, NAD83, Zone 10N. 2190 Comment
  SEINET12728678 Image available Artemisia arbuscula subsp. thermopola Noah Siegel 2016-1 2016 -020 Plumas Growing along Forest Road 27N57 on saddle between Kettle Rock and Eisenheimer Peak near Taylor Lake, Plumas National Forest. 2190 Comment
  RSA724841  Artemisia biennis L. Ahart 2006-9-21 13340 Plumas On the south bank of the Middle Fork of the Feather River, east side of the Beckwourth Calpine Road bridge across the river, about 1/2 mile (air) southwest of Beckwourth, Sierra Valley 1475 Comment
  SEINET11843904  Artemisia douglasiana K. R. Stern 1985-1 8190 Plumas Vicinity of Blairsden 1402 Comment
  CHSC81601  Artemisia dracunculus Lowell Ahart 2001-10-8 9328 Plumas On the west side of Indian Creek, about 400 yards south of Arlington Road, about 150 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CAS-BOT-BC90567  Artemisia dracunculus M. S. Taylor 1981-8-31 4258 Plumas Sierra City NE quad. Both sides of Hwy 89, ca. 0.5 mi s of Clio 1341 Comment
  SEINET6775444 Image available Artemisia dracunculus M. J. Williams, J. T. Howell, W. Follette 1977-8-11 77- 68 -11 Plumas Road from Chilcoot to Frenchman's along Last Chance Creek 1707 Comment
  CHSC59674  Artemisia michauxiana L. P. Janeway 1992-8-30 4296 Plumas Plumas National Forest. McRae Meadow; upper end of East Nelson Creek. 1889 Comment
  CHSC97282  Artemisia tridentata subsp. tridentata Lowell Ahart; John Dittes 2007-8-9 14435 Plumas About 30 yards west of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  RSA122490  Artemisia tridentata subsp. tridentata C. W. Hanks 1934-9-25 89 Plumas Red Rock Valley 1372 Comment
  UC580644  Artemisia tridentata subsp. tridentata E. Nourse 1934-9-13 38 Plumas 2 mi nw Onion Valley; Downieville Quadrangle Comment
  UCR244691  Asarum lemmonii Rudolf W. Becking 1996-6-5 035 Plumas Sierra Nevada Mtns., near Quincy, Deer Creek Bridge 1223 Comment
  CHSC21117  Asclepias cordifolia F. T. Griggs; A. Pass 1975-7-2 27 Plumas East of Road. Buck's Lake Forest. Comment
  CHSC82543  Asclepias cordifolia Lowell Ahart 2002-7-18 9872 Plumas Meadow, about 100 yards south of the road to Tamarack Flat, on the north side of a small branch of Fall River, about 1/8 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/4 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 1/4 miles (air) northwest of La Porte. 1709 Comment
  JEPS103406  Asclepias cordifolia Lowell Ahart 2002-7-18 9872 Plumas Meadow, ca 100 yards S of the road to Tamarack Flat, on the N side of a small branch of Fall River, ca 1/8 mile SW of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, ca 1 1/4 mile (air) NW of Little Grass Valley Reservoir dam 1709 Comment
  CDA39803  Asclepias cordifolia T. C. Fuller 1959-7-6 2794 Plumas Highway 40 Alt., 0.2 miles north of Elephant Butte. 0 Comment
  UC1123544  Asclepias fascicularis C. W. Hanks 1934-9-18 85 Plumas hills n Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  RSA59314  Asclepias fascicularis E. K. Balls 1950-9-14 15798 Plumas 1.5 mi northeast of junction with Hwy 24, along Hwy 89, Indian Creek Comment
  POM253214  Asclepias speciosa A. A. Heller 1938-7-2 s.n. Plumas 3 miles east of Quincy. 1098 Comment
  CHSC98350  Aspidotis densa L. P. Janeway 2007-6-3 9012 Plumas Northern High Sierra Nevada. Eastern end of Red Mountain, along the high exposed rocky ridgeline. 1929 Comment
  SEINET5338520  Aspidotis densa M. J. Williams 1967-8-20 s.n. Plumas Rene's Falls, above Johnsville, on Jamison Creek. 1859 Comment
  SEINET13709329  Aster frondosus Lowell William Ahart, Lowell William Ahart 2001-1 9268 Plumas W Side Little Last Chance Creek, Strand of Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  RSA151717  Aster intermedius R. C. Bacigalupi, J. R. Sweeney, George Bacigalupi Jr. 1953-8-31 4347 Plumas Road from Greenville to Indian Agency, Indian Valley, about 2 miles east of Greenville. 1006 Comment
  CHSC90309  Aster radulinus L. P. Janeway 1994-8-24 4748 Plumas Northern High Sierra Nevada. Small tributary of South Fork Rock Creek at Deanes Valley Campground. 1298 Comment
  JEPS109858  Astragalus lentiformis Dean W. Taylor 2006-5-27 19533 Plumas Frenchman Lake; hillslopes north of Frenchman Creek 1 mile west of junction of Frenchman Lake Road and Forest Road 01, Plumas National Forest 1706 Comment
  JEPS54718  Astragalus lentiginosus var. lentiginosus Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET7325862 Image available Astragalus pulsiferae var. pulsiferae S. L. Welsh, ND Atwood 2001-1 28120 Plumas Beckwourth Pass, as Lassen County line, California Highway 70 1575 Comment
  CAS-BOT-BC193049  Astragalus purshii var. tinctus M. S. Taylor 1982-5-14 4445 Plumas Above Portola, ca. 2 air mi sw of Portola 1584 Comment
  CAS-BOT-BC200859  Astragalus webberi Gary Schoolcraft 1984-6-27 1279 Plumas About 1 mile s. of Crescent Mills 1097 Comment
  CHSC37016  Astragalus webberi M. S. Taylor 1982-6-14 4671 Plumas E side of Hwy 89, ca. 1 mi n of Indian Falls. 1036 Comment
  POM117882  Astragalus webberi Joseph Clemens 1920-6-29 s.n. Plumas Cescent Mills. Comment
  CDA26761  Astragalus whitneyi G. D. Barbe 1982-6-9 3665 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. Comment
  CDA26764  Astragalus whitneyi G. D. Barbe 1982-6-9 3665 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. Comment
  CHSC72449  Astragalus whitneyi var. whitneyi L. P. Janeway 1998-6-24 5670 Plumas North side of Last Chance Creek northeast of Jordan Flat, 600 ft north of Road 28N03 0.3 mi west of Road 101. 1792 Comment
  UC1730237  Astragalus whitneyi var. whitneyi L. P. Janeway 1998-6-24 5670 Plumas North side of Last Chance Creek northeast of Jordan Flat, 600 ft north of Road 28N03 0.3 mi west of Road 101. 1792 Comment
  CHSC34292  Asyneuma prenanthoides M. S. Taylor 1981-8-19 4217 Plumas Jct Bell Creek and rd 23N10, ca. 1.5 mi w of Sloat. 1310 Comment
  CHSC99798  Athyrium filix-femina Lowell Ahart 2008-8-13 15189 Plumas On the bottom of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Glass Valley Reservoir, about 4 miles (air) northeast of La Porte. 1598 Comment
  CHSC52718  Athyrium filix-femina var. cyclosorum L. P. Janeway 1990-7-19 3807 Plumas Along Emigrant Cr 1/2 mi N of the crest of Grizzly Ridge. Plumas National Forest Beckwourth Ranger District, Cascade Compartment. 2026 Comment
  JEPS116126  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2009-7-27 16163 Plumas On dry to damp soil, below a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  JEPS116140  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2009-8-28 16350 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
  JEPS35109  Athyrium filix-femina var. cyclosorum W. L. Jepson 1924-7-22 10624 Plumas Rich Point; Middle Fork Feather River 1127 Comment
  JEPS95303  Athyrium filix-femina var. cyclosorum Lowell Ahart 1994-7-28 7537 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CAS-BOT-BC66089  Athyrium filix-femina var. cyclosorum George W. Gillett 1957-7-19 851 Plumas 1 1/2 miles above the Devils Kitchen, above Sifford Lakes trail 2057 Comment
  CHSC34271  Athysanus pusillus M. S. Taylor 1981-5-10 3679 Plumas Forest next to Pioneer Cabin meadow, e side of Antelope Lake, ca. 20 air mi ne of Taylorsville. 1536 Comment
  SEINET10448432  Athysanus pusillus Mary Susan Taylor 1981-5-10 Taylor 3679 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
  UC118038  Athysanus pusillus Mrs. R. M. Austin 1880-1 Plumas Comment
  CAS-BOT-BC66241  Azolla mexicana John Thomas Howell 1959-9-21 34825 Plumas Crescent Mills 1066 Comment
  CHSC35273  Azolla microphylla M. S. Taylor 1981-8-5 4166 Plumas In Indian Valley, s side of Hwy 206, 1.5 mi e of its jct with Hwy 89 just n of Cresent Mills. 1066 Comment
  SEINET9355340  Balsamorhiza deltoidea Unknown 1982-6-15 5637 Plumas On serpentine slope uphill, 0.8 mi W of jct of rd to Red Hill Lookout and rd to Cherry Hill. (USFS Rd #26N22F); 3.3 mi E of Red Hill Summit, Plumas National Forest. Y25N, R7E, SEC 2 BM: M Plant Systematics Lab/Herb. CDA; Dept. of Food & Agric. Comment
  CAS-BOT-BC106453  Balsamorhiza hookeri Elizabeth McClintock; Wayne Roderick 1968-5-19 s.n. Plumas East of Beckwourth 1524 Comment
  RSA121104  Balsamorhiza hookeri E. Sawyer 1935-5-21 3 Plumas 3/4 mile WSW of Beckwith. 1494 Comment
  CHSC52761  Balsamorhiza macrolepis var. platylepis L. P. Janeway 1990-6-7 3704 Plumas Plumas National Forest. Forested flat on N side of Long Valley ca 1/2 mi E of Rattlesnake Creek and ca 1/2 mi N of Hwy 70/89. Vicinity of Sloat. 1371 Comment
  CAS-BOT-BC16562  Barbarea orthoceras Alice Eastwood 1918-5-25 7055 Plumas Portola. Comment
  CAS-BOT-BC16570  Barbarea orthoceras Mrs. H. C. Cantelow 1940-5-11 3753 Plumas Meadow Valley Creek Ford. Comment
  JEPS32522  Bidens cernua W. L. Jepson 1918-8-16 8011 Plumas Engels Lights Creek 1341 Comment
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  CAS-BOT-BC102170  Bidens cernua John Thomas Howell 1961-9-23 36871 Plumas Cooks Creek near Engelmine 1082 Comment
  JEPS102555  Bidens frondosa Lowell Ahart 2001-10-16 9367 Plumas On a high bank, and the north side of a small stream, on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  SEINET4176618  Bistorta bistortoides M. Foster 1988-6-5 154 Plumas Grizzly Valley Quad, in meadow on either side of Big Grizzly Creek, .25 miles south of Walker Mine Rd., 1 mile west of Lake Davis, 12 miles north by northwest of Portola 1762 Comment
  CHSC36192  Boechera constancei M. S. Taylor 1982-6-1 4579 Plumas Between spur rd and 27N92, nw of Goldstripe Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CHSC67349  Boechera constancei James D. Jokerst 1984-4-25 1986 Plumas Big Grizzly Hydro Project. Ca. 1/8 mi W of N. Fork Feather River. 914 Comment
  CHSC70231  Boechera howellii B. Castro 1989-8-4 345 Plumas Ca 3.5 air mi SE of Bucks Lake, on N-facing flank of Mt. Ararat, ca 200 ft E of jct USFS Rds 23N19, 23N64, and the road to the top of Mt. Ararat, along main road. 1737 Comment
  CHSC21724  Boechera platysperma F. T. Griggs; A. Pass 1975-7-23 243 Plumas Cape Lake. Comment
  CHSC53056  Boechera platysperma L. P. Janeway 1989-7-6 3455 Plumas Plumas National Forest Beckwourth Ranger District Jackson. South-facing volcanic outcrop 'barren' area, above Jackson Cr and Middle Fk Feather River; 2.3 mi from Hwy 70/89 on rd 23N11, then 0.7 mi on rd 23N48. 1645 Comment
  CAS-BOT-BC25589  Boechera retrofracta John Thomas Howell; Gordon H. True 1969-6-23 45834 Plumas Sierra Nevada. Nelson Point. 1249 Comment
  CHSC41413  Boechera retrofracta Lowell Ahart 1986-7-25 5370 Plumas Along Cleghorn Bar Road, about 1 1/2 miles west of Finger Board, about 4 miles north-west of Pilot Peak. 1828 Comment
  CHSC53193  Boechera retrofracta L. P. Janeway 1989-6-12 3298 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. 1691 Comment
  SEINET12627100 Image available Boechera retrofracta Martin Schilling 2013-1 MS 231 Plumas Thompson Peak, 0.8 air mi SE from peak, on rocky slope 2205 Comment
  UCD114379  Boechera sparsiflora M. Vincent 1964-4-8 517 Plumas Near North Fork bridge. Comment
  CAS-BOT-BC25910  Boechera suffrutescens Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mile west of Pilot Peak. Ca. 0.025 mile south of Onion Valley. 1800 Comment
  SD149172  Boechera suffrutescens Lowell Ahart 1986-7-15 5365 Plumas South Fork of the Feather River, ca. 1.0 mile southwest of Pilot Peak, ca. 1.25 mile northeast of the Independent Mine, ca. 10 miles southwest of La Porte. 1830 Comment
  JEPS125797  Boisduvalia campestris William Harnach 2000-8-2 962 Plumas 1.5 miles South of Highway 70 on A-23, 0.25 miles East of A-23. South of Beckwourth, CA (Sierra Valley Farms). Comment
  RSA715667  Boisduvalia densiflora var. densiflora L. Ahart, Josephine Guardino 2005-8-9 12260 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
  RSA233764  Boisduvalia glabella Robert F. Thorne, C. W. Tilforth 1969-9-6 39244 Plumas Along Feather River 1 mi. SW of Beckwourth 1357 Comment
  RSA59435  Boisduvalia glabella E. K. Balls 1950-9-15 15847 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  SD9247  Botrychium multifidum Mrs. R. M. Austin Jul 1876 Plumas Fern Dell Comment
  CHSC61381  Botrychium simplex var. compositum Vernon H. Oswald; Lowell Ahart 1993-8-11 5786 Plumas Lassen Volcanic National Park. Little Willow Lake located on the S edge of Lassen Volcanic National Park. 1839 Comment
  JEPS99053  Botrychium simplex var. compositum Lowell Ahart 2002-7-24 9921 Plumas 3/4 air mi NE of Little Grass Valley Reservoir dam (4 air mi NW of La Porte); Lumpkin Ridge Road 1634 Comment
  CHSC69698  Brickellia californica Vernon H. Oswald; Lowell Ahart 1997-8-19 8870 Plumas Hwy. 70 between Tobin and Belden, 10.7 mi north of the Butte-Plumas county line. 627 Comment
  CHSC117560  Brickellia greenei Lowell Ahart 2016-7-9 21091 Plumas Steep slope on the south side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam 1857 Comment
  JEPS124135  Brickellia greenei Lowell Ahart, John Deurloo 2015-8-25 20530 Plumas 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air) south of Twain, 7.8 miles (air) west-northwest of Quincy. Comment
  CAS-BOT-BC484567  Brodiaea minor Walter Knight; Irja Knight 1966-6-18 1326 Plumas In area north of Pond Reservoir 1097 Comment
  CHSC118784  Bromus carinatus Wendy L. Boes; Jim Battagin 2015-5-12 2015 -005 Plumas Plumas National Forest. Between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. (UTM 652180 E, 4433328 N, NAD83 Zone 10N). 792 Comment
  SBBG115956  Bromus carinatus var. marginatus C. B. Hardham 1970-8-9 17716 T Plumas rd to Thompson Pk Lookout 1981 Comment
  CAS-BOT-BC155967  Bromus commutatus John Thomas Howell 1955-7-20 30867 Plumas Sierra Nevada. Mohawk. 1371 Comment
  CHSC97510  Bromus inermis subsp. inermis Lowell Ahart; John Dittes 2007-6-17 14190 Plumas Meadow, 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
  RSA201353  Bromus marginatus J. T. Howell 1960-7-18 35564 Plumas Lassen Volcanic National Park; Drakesbad 1677 Comment
  RSA71076  Bromus marginatus L. S. Rose 1951-6-27 51021 Plumas Johnsville. 1601 Comment
  CAS-BOT-BC162149  Bromus orcuttianus John Thomas Howell 1960-7-21 35860 Plumas Lassen Volcanic National Park. On trail to Little Willow Lake. 1767 Comment
  CAS-BOT-BC162157  Bromus orcuttianus John Thomas Howell 1975-7-22 51363 Plumas Sierra Nevada. 2 miles northwest of Spring Garden. 1173 Comment
  CDA13439  Bromus orcuttianus G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13286 Plumas Sierra Nevada; Common perennial in open sites at edge of forest. Dry, rocky ridgetop on USFS 23N11A. Open, dry flats with Artemisia tridentata. Forest here dominated by Abies concolor, Pinus jeffreyi. Comment
  UCD59660  Bromus secalinus Robbins; Raynor 1943-6-1 s.n. Plumas Quincy. Comment
  CHSC112087  Bromus suksdorfii L. P. Janeway 2014-7-15 11524 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CAS-BOT-BC161352  Bromus tectorum John Thomas Howell 1955-7-19 30755 Plumas Sierra Nevada. Beckwourth. 1493 Comment
  SBBG504  Bromus tectorum A. A. Beetle 1941-6-28 2773 Plumas W side of Lake Almanor 1219 Comment
  UC1131277  Bromus tectorum E. Sawyer 1935-5-21 4 Plumas 3/4 mi wsw of Beckwith 1493 Comment
  UCD59857  Bromus tectorum A. A. Beetle 1941-6-28 2773 Plumas West side of Lake Almanor. Comment
  CHSC108739  Calamagrostis canadensis B. Castro; L. P. Janeway 2003-9-6 1451 Plumas High Cascade Range. Along un-named lake split by the Caribou Wildnerness Area boundary, ca 1.5 mi west of Hay Meadow. At upper lake/lower forest edge around much of lake, expecially the north half. 2058 Comment
  JEPS120563  Calamagrostis canadensis B. Castro and L. P. Janeway 2003-9-6 1451 Plumas High Cascade Range. along un-named lake split by the Caribou Wilderness Area boundary, ca 1.5 mi west of Hay Meadow. Comment
  JEPS120101  Calamagrostis stricta subsp. inexpansa Lowell Ahart 2012-7-1 18253 Plumas About 250 yards northwest of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  RSA59401  Calamagrostis stricta subsp. inexpansa E. K. Balls 1950-9-8 15719 Plumas Lakes Center Public Camp. 2043 Comment
  CAS-BOT-BC438483  Calandrinia ciliata John Thomas Howell 1951-6-28 27668 Plumas Jamison Creek 1584 Comment
  SEINET9097602  Calandrinia ciliata var. menziesii W. Harnach, N. Harnach 1991-6-21 555 Plumas Sierra Valley, 0.5 miles S of Beckwourth, next to railroad bridge E of County Road A-23. 1487 Comment
  CHSC102004  Calliscirpus brachythrix L. P. Janeway; B. Castro 2009-8-29 9937 Plumas Northern High Sierra Nevada.Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. 1892 Comment
  UCSB45745  Callitriche heterophylla Reisentz, Paul 1979-5-12 Plumas 4 miles north of Injun Jim Campground; 2.7 miles south of Beldon on Highway 70 Comment
  NY201865  Calocedrus decurrens J. B. Walker 1994-8-1 860 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
  RSA352866  Calocedrus decurrens B. C. Templeton 1967-4-23 10746 Plumas National Forest near Quincy Comment
  JEPS61642  Calochortus coeruleus Duncan Dunning 1923-6-2 Plumas 4 mi nw Quincy (above Snake Lake) Comment
  CHSC10592  Calochortus leichtlinii Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  CAS-BOT-BC490272  Calochortus leichtlinii Anna Head 1921-7-15 s.n. Plumas Lake Center Camp, Feather River region Comment
  CAS-BOT-BC491830  Calochortus leichtlinii Mary Strong Clemens 1920-5-28 s.n. Plumas Quincy Comment
  CAS-BOT-BC491832  Calochortus leichtlinii Alice Eastwood 1927-6-27 14882 Plumas On road from Chilcott Comment
  HSC15400  Calochortus leichtlinii W. R. Rogers 1966-7-6 240 Plumas Comment
  SEINET8197334  Calochortus leichtlinii A. A. Heller, P. B. Kennedy 1907-7-4 8719 Plumas Ridge east of Red Clover Valley. Comment
  CAS-BOT-BC483477  Calochortus minimus Elmer I. Applegate 1929-6-20 5762 Plumas Warner valley below Drakesbad, Mt. Lassen region Comment
  CAS-BOT-BC483481  Calochortus minimus E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828 Comment
  CDA5724  Calochortus nudus L. Ahart 2002-7-6 9847 Plumas About 50 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile southwest of Grizzly Mountain, about 2 miles (air) southwest of Haskins Valley and Bucks Lake. Comment
  CHSC67728  Calochortus nudus James D. Jokerst 1979-6-25 275 Plumas First meadow S of Meadow Valley Creek (S of road between Quincy and Bucks Lake). Comment
  CHSC98577  Calochortus nudus L. P. Janeway 2007-6-3 9026 Plumas Northern High Sierra Nevada. South-facing slope near top of eastern end of Red Mountain, near Road 23N69 1.1 km northwest of Road 18. Rocky serpentine/gabbroic soil. 1884 Comment
  SEINET12044649  Calochortus nudus Lemmon 1887-1 s.n. Plumas Mohawk Valley Comment
  JEPS110516  Calyptridium monospermum Lowell Ahart 2006-10-23 13495 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  UC1035979  Calyptridium monospermum Helen K. Sharsmith 1955-6-28 4527 Plumas near Pulga (East Branch of North Fork Feather River); North Fork Feather River 609 Comment
  UC1136680  Calyptridium umbellatum A. E. Wieslander 1927-7-10 15 Plumas between Gold Lake and Silver Lake ( Plumas National Forest); Plumas National Forest 1828 Comment
  UC569878  Calyptridium umbellatum D. Axelrod 1934-6-9 18 Plumas 2 1/4 mi nw of Lexington Hill 1767 Comment
  SEINET10969186  Calystegia malacophylla Mary Susan Taylor 1982-6-16 Taylor 4681 Plumas T24N R10E swnw sec 33. Spring Garden quad. Open rdcut, along spur rd off 24N26-Thompson Creek Rd (0.2-0.3 mi from its jct), ca. 3 mi se of Quincy. Mixed Evergreen Forest; 4600 ft. 1402 Comment
  JEPS31599  Calystegia malacophylla subsp. malacophylla W. L. Jepson 1924-7-24 10636 Plumas Meadow Valley 914 Comment
  SBBG5754  Calystegia malacophylla subsp. malacophylla H. and M. Dearing 1938-7-2 2266 Plumas Feather River Cyn below Paxton 792 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
  UCD138361  Camassia quamash subsp. breviflora Les Berry 1956-5-29 s.n. Plumas between Beckwourth and Vinton, Sierra Valley. 1935 Comment
  CAS-BOT-BC160845  Camissonia tanacetifolia subsp. quadriperforata G. Schoolcraft 1986-7-2 1646 Plumas About 1 mile S. of Plumas, CA airport 1493 Comment
  RSA186588  Camissonia tanacetifolia subsp. quadriperforata Peter H. Raven 1963-5-28 18415 Plumas Hwy 49, 2.4 miles WNW of Sierraville Comment
  POM257257  Camissonia tanacetifolia subsp. tanacetifolia H. L. Mason 1924-6-15 1037 Plumas Graeagle - near Blairsden. Comment
  UCD19156  Camissoniopsis micrantha June McCaskill 1956-5-5 411 Plumas Lake Almanor region? Comment
  SEINET10462864  Campanula prenanthoides Joseph Clemens 1920-8-11 Clemens s.n. Plumas GREENVILLE 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
  SEINET10463033  Campanula prenanthoides Ira L. Wiggins 1948-9-15 Wiggins 12052 Plumas RIDGE BETWEEN ONION CR & MIDDLE FORK FEATHER RIVER Comment
  CAS-BOT-BC37133  Capsella bursa-pastoris John Thomas Howell 1960-7-19 35649 Plumas Lassen Volcanic National Park. Drakesbad. Near hot springs. 1828 Comment
  CAS-BOT-BC37306  Cardamine breweri John Thomas Howell 1967-6-23 42706 Plumas Sierra Nevada. Butterfly Valley. 1066 Comment
  CHSC87813  Cardamine breweri var. breweri Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11065 Plumas On the margins of 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
  CAS-BOT-BC38089  Cardamine pachystigma Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-8 1788 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 883 Comment
  CHSC71138  Cardamine pachystigma L. P. Janeway 1998-3-30 5438 Plumas East side of ravine draining East Branch North Fork Feather River at Rich Bar; above Hwy 70. Almost to the edge of the creeklet. 792 Comment
  CAS-BOT-BC38119  Cardamine pensylvanica Alice Eastwood 1927-6-17 14664 Plumas Long Valley. Near Greenville. Comment
  CHSC55546  Carex abrupta L. P. Janeway 1990-6-28 3744 Plumas Near Joseph Creek about half waybetween Little Grizzly Creek and the top of Grizzly Ridge. 1950 Comment
  CAS-BOT-BC18590  Carex abrupta Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas 10 mile south of Qunicy, on road to La Porte. 1981 Comment
  CHSC102660  Carex amplifolia Lowell Ahart; John Dittes 2009-8-28 16354 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
  CHSC56883  Carex amplifolia L. P. Janeway 1991-8-4 4118 Plumas Plumas National Forest. Meadow along Road 111 (Beckwourth-Genesee Road) 1.1 mi west of road to Bagley Pass, 1/2 mi south of Red Clover Creek at west end of Red Clover Valley. 1691 Comment
  CAS-BOT-BC17832  Carex amplifolia Clare B. Hardham 1986-8-9 30409 Plumas Sierra Nevada Mountains. Meadow Valley - Virilia Road. Swampy place in small stream dammed by road. Comment
  RSA122761  Carex amplifolia B. O. Schreiber 1938-7-10 2529 Plumas 1/4 mile south of U. S. Forestry Camp near Meadow Valley. 1098 Comment
  CAS-BOT-BC17938  Carex angustata John Thomas Howell 1960-7-23 35943 Plumas Lassen Volcanic National Park. Drakesbad. Near soda spring. 1828 Comment
  CHSC106356  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
  JEPS107598  Carex angustata Lowell Ahart, Josephine Guardino 2005-8-10 12316 Plumas In small wet 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
  UCD140098  Carex angustata John Thomas Howell 1960-7-23 35962 Plumas Drakesbad, Lassen Volcanic National Park. Dream Lake. 1676 Comment
  CAS-BOT-BC17921  Carex angustata Brink; Mayer 1975-7-1 s.n. Plumas Sierra Nevada. Bucks Lake area. Comment
  CHSC116380  Carex angustata Sara M. Talyor; Scott Batiuk and Kendra Sikes 2012-7-18 45 Plumas Quaking Fen, 720 m east of Mill Creek trail. From trailhead walk ~2 miles north on trail and then head east 720 m at a bearing of 260 degrees to fen. UTM zone 10, NAD 83, 4423775 N, 655262 E. 1940 Comment
  CHSC53653  Carex athrostachya L. P. Janeway 1984-7-13 902 Plumas Near Grizzly Creek campground, SW of Bucks Lake. 1584 Comment
  JEPS107644  Carex athrostachya Lowell Ahart, Josephine Guardino 2005-8-9 12254 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1635 Comment
  POM254195  Carex athrostachya E. Sawyer 1935-6-22 168 Plumas Charlies Vallley, west of Beckwith Buttes. 1524 Comment
  RSA59915  Carex athrostachya E. K. Balls 1950-9-15 15836 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  CAS-BOT-BC19738  Carex athrostachya Dorothy E. Beetle 1941-6-28 56 Plumas Northwest corner of Lak Almanor. 975 Comment
  CDA17776  Carex athrostachya G. D. Barbe, T. C. Fuller 1982-6-14 3687 Plumas Sierra Nevada; Chevron Station at west end of Quincy, Hwy 70 and Lawrence Street. 1036 Comment
  SEINET7550695 Image available Carex athrostachya Lewis S. Rose 1967-7-9 67143 Plumas Quincy. 1036 Comment
  CHSC52542  Carex aurea L. P. Janeway 1989-6-20 3364 Plumas Plumas National Forest. Small sloping mdw along small creeklet; eastern slopes of Crocker Mtn above the N end of Crocker Mdw. 1844 Comment
  CHSC46994  Carex bolanderi L. P. Janeway 1989-8-2 3551 Plumas Plumas National Forest. Where rd 23N08 crosses a southwestern fork of Bear Cr ca 1 mi NE from top of Eureka Ridge. 1752 Comment
  CHSC48548  Carex bolanderi L. P. Janeway 1987-6-20 2281 Plumas Ravine on N side of S Br Middle Fk Feather River below Whiskey Hill. 1158 Comment
  JEPS107600  Carex bolanderi Lowell Ahart, Josephine Guardino 2005-8-10 12319 Plumas South of a small wet meadow, south of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  CAS-BOT-BC19525  Carex bolanderi John Thomas Howell 1975-6-15 51121 Plumas Sierra Nevada. North Fork Feather River near Storrie. 548 Comment
  CHSC41155  Carex brainerdii J. D. Jokerst 1984-6-13 2046 Plumas South of Grizzly Creek, ca 30 meters north of spur 'C' of USFS logging road 26N08, ca 2 air miles east of Peacock Point. 1432 Comment
  JEPS106135  Carex brainerdii Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11005 Plumas On the east side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  RSA189357  Carex brainerdii L. S. Rose 1967-6-19 67109 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  UC1778639  Carex brainerdii G. Douglas Barbe, T. C. Fuller 1982-6-15 3717 Plumas 1.0 mle below and NE of Red Hill summit, Plumas National Forest. 1761 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
  CHSC80882  Carex buxbaumii Lowell Ahart; Vernon H. Oswald 2001-7-11 8888 Plumas Meadow, on the east side of the dirt road, about 1/4 miles northwest of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) northwest of Greenville. 1447 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
  CHSC47133  Carex douglasii L. P. Janeway 1989-6-15 3318 Plumas Plumas National Forest. Pond across road from springy slope; jct of roads 111 (Beckwourth-Genesee Rd) and rd 24N49Y; near north end of Crocker Valley. 1730 Comment
  SBBG30567  Carex echinata D. Myrick 1968-6-18 1939 Plumas Butterfly Valley, 4 mi NW of Quincy 1036 Comment
  RSA169429  Carex echinata subsp. echinata L. S. Rose 1963-6-3 63101 Plumas Butterfly Valley, 2 miles SW of Keddie 1189 Comment
  POM313081  Carex echinata subsp. echinata Malcolm A. Nobs, S. Galen Smith 1949-8-19 1449 Plumas Butterfly Valley. Comment
  CAS-BOT-BC20117  Carex feta John Thomas Howell 1926-7-26 2132 Plumas Near Prattville. 1371 Comment
  CHSC77067  Carex feta G. Douglas Barbe; T. C. Fuller 1982-6-14 3689 Plumas Quincy Region. W end of Quincy, Hwy 70 and Lawrence St. at Chevron station. 1036 Comment
  OBI6447  Carex feta Lewis S. Rose 1967-7-9 67145 Plumas Quincy 1036 Comment
  UC1133354  Carex filifolia var. erostrata E. Sawyer 1935-6-21 130 Plumas 1 3/4 mi ne Crow; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC22346  Carex filifolia var. filifolia John Thomas Howell 1962-6-18 37776 Plumas Sierra Nevada. Sierra Valley near Beckwourth. 1487 Comment
  CAS-BOT-BC20697  Carex fracta John Thomas Howell 1951-6-28 27649 Plumas Sierra Nevada. Johnsville. 1584 Comment
  CDA13409  Carex fracta G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13258 Plumas Sierra Nevada; Bull Run Creek off USFS 23N12E. E of Quincy. Comment
  CHSC92295  Carex fracta Lowell Ahart; Josephine Guardino 2005-8-9 12289 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
  SEINET10749387  Carex fracta Dean W. Taylor 2000-8-12 Taylor 17557 Plumas Wemple Cabin, Antelope Creek 1 air mi NE from Antelope Lake (upper Feather River watershed); T27N R13E NW1/4 Section 16; Antelope Lake 71/2' USGS quadrangle. Sierra Nevada (nSNH). 1859 Comment
  UC1552725  Carex geyeri Frederica Bowcutt 1985-6-6 564 Plumas about 15 air mi ne Quincy (n of Beckwourth Genesee Road about 1/2 mi); Plumas National Forest 1676 Comment
  SD130383  Carex hassei John Thomas Howell 1962-6-16 37641 Plumas Sierra Nevada, Feather River North Fork on road to Caribou 730 Comment
  CAS-BOT-BC21969  Carex heteroneura L. P. Janeway 1990-7-18 3806 Plumas Near Emigrant Creek .25 mile north of the crest of Grizzly Ridge. Along a dirt road. 2103 Comment
  CHSC55437  Carex heteroneura var. heteroneura L. P. Janeway 1990-7-18 3806 Plumas Plumas National Forest. Near Emigrant Creek 1/4 mi north of the crest of Grizzly Ridge. 2103 Comment
  CHSC55556  Carex heteroneura var. heteroneura L. P. Janeway 1990-6-27 3733 Plumas Plumas National Forest. Headwaters of Joseph Creek on northeast side of Grizzly Ridge. 2103 Comment
  UCD140445  Carex hoodii John Thomas Howell 1960-6-17 35499 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CHSC55558  Carex jonesii L. P. Janeway 1990-7-3 3761 Plumas Plumas National Forest. About 100 m west of Paradise Creek and about 3/4 mi south of Little Grizzly Creek. 1905 Comment
  UCD140415  Carex jonesii Dean W. Taylor 1976-7-7 6037 Plumas about 1 mile north of Humboldt Summit. 1798 Comment
  RSA770095  Carex laeviculmis L. P. Janeway, B. Castro 2009-7-18 9863 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  JEPS87169  Carex lasiocarpa Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5033 Plumas ca. 5 mi (air) ssw Graeagle (via Gold Lake Forest Hwy. (County Rd. 519), just w of Lakes Basin Campground); Grass Lake 1926 Comment
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Jun 9 2011
  CHSC118717  Carex lasiocarpa Wendy Boes 2014-8-6 2014020 Plumas Wetland above Gray Eagle Lodge, Lakes Basin, Plumas National Forest. UTM 700074 E, 4399690 N, NAD83, Zone 10N. 2109 Comment
  CHSC63194  Carex lemmonii Lowell Ahart 1994-6-17 7348 Plumas Meadow on the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  CHSC94113  Carex lemmonii Lowell Ahart 2006-7-9 12914 Plumas Small bog or wet meadow, below the basalt gravel road, about 2 miles (air) west of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir. 1648 Comment
  RSA517879  Carex lemmonii L. S. Rose 1967-6-10 67151 Plumas Butterfly Valley. 1098 Comment
  RSA755327  Carex lemmonii L. Ahart 2009-7-13 16032 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
  CHSC116368  Carex lemmonii Sara M. Taylor; Scott Batiuk 2012-7-31 50 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
  CHSC94174  Carex lenticularis var. impressa Lowell Ahart 2006-7-9 12922 Plumas 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
  JEPS114817  Carex lenticularis var. impressa Lowell Ahart 2008-8-14 15204 Plumas Wet meadow area with a small stream, just northwest of the culvert, on the northwest side 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 1600 Comment
  CHSC84929  Carex lenticularis var. lipocarpa L. P. Janeway; B. Castro 2003-9-6 7976 Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. 2057 Comment
  CHSC118670  Carex leptopoda Chelsea Morgan 2015-6-28 2015023 Plumas Location near Moonlight Valley, south of Forest Service road 28N30B, northwest of 28N30B1. UTM 688739 E, 4455754 N, NAD83 Zone 10N. 1800 Comment
  CHSC58201  Carex limosa Vernon H. Oswald; Lowell Ahart 1992-6-22 5025 Plumas Lassen Volcanic National Park. Small corner of park property on the S side of Warner Valley Rd. between Lee and Kelly Camps. 1597 Comment
  CHSC46988  Carex luzulina var. ablata L. P. Janeway 1989-8-4 3553 Plumas Plumas National Forest. East side of Eureka Ridge near headwater springs of Bear Cr. 1889 Comment
  CAS-BOT-BC31694  Carex mariposana John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54343 Plumas 2.8 mi NNE of Englemine on Diamond Mt. Road 1341 Comment
  CDA33109  Carex microptera L. P. Janeway 2000-6-24 6837 Plumas Northern High Sierra Nevada; Diamond Mountains; 1.1 km southeast of Crystal Peak; near top of ridge, southwest slope. Comment
  SEINET260547  Carex multicaulis M. Cutler, J Cutler 1992-6-1 Plumas Plumas National Forest ; Ca 11 mi NW of Quincy; Bucks Lake Rd W to Spanish Ranch; FS 25N17 then 25N59 to stand #92 1615 Comment
  CHSC109558  Carex multicostata L. P. Janeway 2012-8-1 11040 Plumas Northern High Sierra Nevada. Plumas National Forest; east side of West Branch Nelson Creek; east side of Gibson-Johnsville Road about 0.5 km north of its bridge across West Branch Nelson Creek; 2.5 air km east of Stafford Mtn. 1729 Comment
  RSA517299  Carex multicostata Barbara Ertter, Gary Schoolcraft 1987-6-17 7204 Plumas Ca. 1.5 air miles N of Chester. 1372 Comment
  CHSC51933  Carex nebrascensis K. R. Stern 1985-6-25 8311 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC92301  Carex nebrascensis Lowell Ahart; Josephine Guardino 2005-8-9 12272 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
  POM313120  Carex nebrascensis S. Galen Smith, Malcolm A. Nobs 1949-8-19 1457 Plumas Southeastern side of Portola. Comment
  UCR115311  Carex nervina G. D. Barbe, T. C. Fuller 1982-6-16 3789 Plumas Plumas National Forest. Meadow below Mud Lake, 0.75 mi northeast of Eisenheimer Peak. 2098 Comment
  CAS-BOT-BC119520  Carex nudata Alice Eastwood 1918-5-25 6977 Plumas Portola. Comment
  SEINET10850493  Carex nudata David Castaner 1984-5-28 Castaner 857 Plumas Indian Creek Falls. Junction Highways 70 & 89. Stream side. Comment
  SEINET3905629  Carex ormantha Lewis S. Rose 1963-6-3 63101 Plumas Butterfly Valley 2 mi. sw. of Keddie.; 0 1189 Comment
  CHSC53531  Carex pachystachya Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from the jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  CHSC47346  Carex pellita L. P. Janeway 1989-6-16 3338 Plumas Plumas National Forest. West end of Grizzly Valley. Small creek on N side of mdw; meadowy area along creek crossing rd on N side of valley. 1783 Comment
  CHSC60500  Carex pellita L. P. Janeway 1992-6-4 4211 Plumas Plumas National Forest. South side of road to Plumas-Eureka State Park (Rd 506) across from turn to Plumas Pines; 1/2 mi west of Mohawk, 1/4 mi west of Middle Fork Feather River. 1341 Comment
  RSA794944  Carex pellita L. Ahart, John Dittes 2009-7-27 16187 Plumas About 20 yards north of the poor dirt road, on the north side of a small pond, headwaters of Grizzly Gulch, 2.1 air miles northeast of Butt Valley Reservoir Dam. 1480 Comment
  CDA17813  Carex rossii G. D. Barbe, J. T. Howell (54267 at CAS) & T. C. Fuller 1981-6-24 3269 Plumas Summit of Mt. Hough. 2194 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
  SEINET11635246  Carex rossii L. P. Janeway 1989-1 3275 Plumas Plumas NF, SW side of Red Clover Valley, Beckwourth Ranger District 1692 Comment
  CHSC47348  Carex scabriuscula L. P. Janeway 1989-6-9 3286 Plumas Cyn of E Br N Fk Feather River, 5.4 mi E of the river mouth and Caribou Rd, along Hwy 70. 822 Comment
  CAS-BOT-BC28307  Carex scopulorum var. bracteosa E. K. Balls 1950-9-1 15597 Plumas East of Long Lake in meadow, sloping down to 2 smaller lakes, southern county. 2103 Comment
  CHSC116388  Carex scopulorum var. bracteosa Sara M. Taylor; Scott Batiuk 2012-9-13 77 Plumas Plumas National Forest. Line Springs. From Silver Lake parking area, follow trail up Granite Gap to Pacific Crest Trail. Follow trail north approx. 1.5 km, then bushwack west for approximately 0.5 km. UTM zone 10, 4423596 N, 657038E. 2028 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
  CHSC118662  Carex sheldonii Chelsea Morgan 2015-7-11 2015027 Plumas Plumas National Forest. Located along Willow Creek, west of 28N31A. UTM 700625 E, 4456827 N, NAD83 Zone 10N. 1675 Comment
  CHSC52552  Carex simulata L. P. Janeway 1989-6-22 3372 Plumas Plumas National Forest. Slopes between Crocker Mtn and Crocker Mdw along rd 24N49Y. 1767 Comment
  CHSC84902  Carex spectabilis L. P. Janeway 2003-9-20 7999 Plumas Northern High Sierra Nevada. At meadow and shallow pond complex in cirque 0.15 km southwest (up-drainage) of Hellgramite Lake; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area. 2115 Comment
  JEPS49037  Carex spectabilis Leland S. Smith 1927-8-10 2192 Plumas w end Gold Lake Tahoe National Forest, Gold Lake 2133 Comment
  JEPS109606  Carex stipata var. stipata Dean W. Taylor 2002-6-19 18164 Plumas Quincy, drainage ditch forming part of Clear Stream, on the far western edge of town, between the Gold Pan Motel and the fuel depot, north side of Highway 70 1036 Comment
  CDA13364  Carex subfusca G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13213 Plumas Sierra Nevada; N side of Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Rattlesnake Creek drainage. Comment
  CHSC112376  Carex subfusca L. P. Janeway 2014-7-16 11546 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley creek in the middle of Happy valley. Comment
  JEPS28346  Carex subfusca George W. Gillett 1957-7-19 849 Plumas about 1 1/4 mi above Devil's Kitchen (trail to Sifford Lakes); Lassen Volcanic National Park 2057 Comment
  SEINET4292079 Image available Carex subfusca Unknown 2004-1 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)ortheast of LaPorte. Red Fir Forest. Comment
  CAS-BOT-BC115993  Carex subfusca Clare B. Hardham 1970-8-8 17716 Plumas Road to Thompson Peak. 2286 Comment
  SEINET10750067  Carex subfusca Lawrence P. Janeway, James Battagin; Rob Russell Janeway 4490 Plumas Mt. Ingalls quad. T24N, R12E, NE1/4 of SW1/4 of sec. 7. Along Dolly Creek at upper portion of the Walker Mine tailings. Very open, in white fir dominated mixed conifer forest with lodgepole pine. With Scirpus microcarpus, etc. Comment
  JEPS123949  Carex utriculata Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20424 Plumas On the northwest 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
  SEINET7579644 Image available Carex utriculata Unknown 2004-7-24 8188 Plumas Humboldt Peak 7.5' quad, High Cascade Range, along western tributary of Butt Creek, 2.4 air km north of Humboldt Summit. 1740 Comment
  JEPS28348  Carex utriculata George W. Gillett 1957-7-18 837 Plumas marsh on n end of Willow Lake Lassen Volcanic National Park, Willow Lake 1661 Comment
  CAS-BOT-BC115153  Carex vesicaria Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1411 Plumas Ca 100 yds NW of Pond reservoir. Butterfly Botanical Area. 1097 Comment
  RSA91626  Carex vesicaria F. W. Peirson 1926-6-21 6788 Plumas Open flat strip along shore of Lake Almanor. Comment
  UC1748287  Carex whitneyi L. P. Janeway 1999-7-17 6509 Plumas gentle S-facing slope at the wide saddle of Humboldt Summit 2020 Comment
  CAS-BOT-BC249007  Castilleja David D. Keck 1932-7-3 1646 Plumas Quincy, in the Northern Sierra Nevada 1220 Comment
  CAS-BOT-BC249010  Castilleja Clare B. Hardham 1975-8-2 20471 Plumas Black Mt. 2133 Comment
  CAS-BOT-BC249369  Castilleja applegatei Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk. 2000 Comment
  RSA726364  Castilleja applegatei L. Ahart, John Dittes, Josephine Guardino 2007-6-9 14054 Plumas About a mile (air) north of the north end of Lake Davis. 1858 Comment
  CAS-BOT-BC249371  Castilleja applegatei M. S. Taylor 1982-6-10 4635 Plumas Ramelli Ranch, se of jct of Calpine Rd (109) and Hwy 70, ca. 1/2 mi sw of Beckwourth 1487 Comment
  CAS-BOT-BC249719  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi 1927-7-12 1731 Plumas Along Little Grey Eagle Creek near Lakes Center Camp, Gold Lake Region 2042 Comment
  CAS-BOT-BC249727  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-7-14 4826 Plumas Soda Creek Rd ca. 1 mi s of Onion Flat, ca. 3 mi n of Twain 1463 Comment
  CAS-BOT-BC249736  Castilleja applegatei subsp. pinetorum Mrs. Jos Clemens 1919-10-14 s.n. Plumas Greenville Comment
  CAS-BOT-BC249738  Castilleja applegatei subsp. pinetorum Clarence R. Quick 1963-7-24 63 -62 Plumas On shoulder of east-west ridge 1.5 miles east of Wheeler Peak Comment
  CAS-BOT-BC249750  Castilleja applegatei subsp. pinetorum John Thomas Howell 1926-7-24 2101 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC249752  Castilleja applegatei subsp. pinetorum Mary E. Wall 1939-6-25 s.n. Plumas Brush Cr. ranger station Comment
  CHSC70047  Castilleja applegatei subsp. pinetorum L. P. Janeway 1997-5-7 5114 Plumas Along Beckwourth-Genesee Roadt 3.7 mi southeast of Indian Creek. Southwest-facing low ridge above Red Clover Creek. 1365 Comment
  CHSC91901  Castilleja applegatei subsp. pinetorum Lowell Ahart; Josephine Guardino 2005-8-10 12301 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
  JEPS3000  Castilleja applegatei subsp. pinetorum Milo S. Baker 1952-5-27 12473 Plumas Camp Storris; on Highway 24, at foot of bridge, P.G.&E. Station Comment
  RSA101415  Castilleja arachnoidea R. Weatherby 1955-7-26 1659 Plumas Near Spanish Peak Lookout. 2165 Comment
  UCD19569  Castilleja lacera Gerald Dickinson 1963-7-1 64 Plumas in flat, grassy area along Hwy. 89. Seven miles NW of Canyon Dam. 1097 Comment
  CAS-BOT-BC253999  Castilleja miniata Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  SD7127  Castilleja miniata none given July 1926 Plumas Big Spring, Big Meadows Comment
  SEINET12326775  Castilleja miniata M. S. Taylor 1982-1 4916 Plumas N side of Soloman Saddle Rd, ca 1 mi NW of Taylor Rock, ca 7 air mi NE of Quincy 1890 Comment
  CDA13979  Castilleja miniata subsp. miniata G. F. Hrusa 1996-8-2 13443 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Uppermost spring forming trib. of Squirrel Creek. Comment
  CHSC66707  Castilleja miniata subsp. miniata Vernon H. Oswald; Lowell Ahart 1996-8-1 8141 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at a branch of Second Water Trough Creek, ca. 1.5 mi NW of Hauns Mdw., ca. 1.5 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  SEINET12765114  Castilleja miniata subsp. miniata Lowell Ahart 1994-7-22 7487 Plumas South of the Pacific Crest Trail, on the north side of Mount Etna.; 0 1981 Comment
  RSA52890  Castilleja payneae R. Weatherby 1950-8-11 1509 Plumas Trail to Long Lake boathouse. 1982 Comment
  CAS-BOT-BC241044  Castilleja pilosa Lowell Ahart 1981-7-21 2954 Plumas Buzzards Roost Ridge, north of Pilot Pk. 2000 Comment
  SEINET10549440  Castilleja pilosa Mary Susan Taylor 1982-5-28 Taylor 4558 Plumas T25N R14E nw/sw sec 27. Crocker Mt quad. In Sagebrush Scrub in Squaw Valley, jct of 26N70 & 28N01, ca. 16 mi s of Milford. 5600 ft. 1707 Comment
  CDA18572  Castilleja tenuis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3327 Plumas Sierra Nevada; 4.8 miles northwest of Antelope Lake; 0.7 mile east of road to Taylor Lake on the road to Antelope Lake. 1661 Comment
  RSA755445  Castilleja tenuis L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16135 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
  JEPS77537  Castilleja tenuis Margaret Ely 1978-6-23 Plumas Butterfly Valley; sw of pond (reservoir) Comment
  CHSC96735  Ceanothus arcuatus L. P. Janeway 2007-5-20 8997 Plumas Northern High Sierra Nevada. Along Hwy 70/East Branch North Fork Feather River/Serpentine Canyon, 1.0 road km east of the Rich Bar overlook. 777 Comment
  SBBG120147  Ceanothus arcuatus L. P. Janeway 2007-5-20 8996 Plumas NE corner of Meadow Valley at jct of Bucks Lake Rd, Spanish Ranch Rd, and Spanish Crk 1106 Comment
  CAS-BOT-BC47866  Ceanothus cordulatus Mrs. H. C. Cantelow 1939-5-20 s.n. Plumas Lake Almanor Comment
  UC1070985  Ceanothus cordulatus R. Roseberry 1934-11-4 3 Plumas 1.5 mi ne Johnsville; Downieville quad, Plumas Nat. For. 1493 Comment
  CAS-BOT-BC49064  Ceanothus cuneatus Clarence R. Quick 1964-7-15 64 -81 Plumas At summit of Longville-Belden Road between Humbug Valley and Feather River Canyon 1478 Comment
  UCD23327  Ceanothus cuneatus E. W. Jameson 1948-12-7 s.n. Plumas 4 mi. east of Quincy. 1097 Comment
  UC338013  Ceanothus cuneatus var. cuneatus Lemmon 1883-5-27 Plumas Mohawk Valley Comment
  CAS-BOT-BC50735  Ceanothus integerrimus John Thomas Howell 1976-7-16 51877 Plumas Sierra Nevada - Spanish Creek near mouth of Slate Creek 1066 Comment
  CAS-BOT-BC50766  Ceanothus integerrimus Thomas H. Kearney 1944-8-14 83 Plumas Near Prattville, Lake Almanor Comment
  JEPS103362  Ceanothus integerrimus Lowell Ahart 2002-7-6 9844 Plumas On the W side of the dirt road and E of the large meadow, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  UC1070789  Ceanothus integerrimus G. T. Nordstrom 1934-7-9 205 Plumas 1.25 mi se Mt. Ararat; Bidwell Bar quad., Plumas Nat. For. 1584 Comment
  RSA122542  Ceanothus integerrimus var. puberulus C. G. Albertus 1935-7-22 12319 Plumas 3 3/4 miles S.W. of Lovejoys, Downieville. 1768 Comment
  CDA14762  Ceanothus prostratus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3334 Plumas Indian Creek Bridge 0.1 mile northwest of junction with road to Antelope Lake dam. 1584 Comment
  RSA39768  Ceanothus prostratus P. A. Munz 1947-5-16 11840 Plumas 8 miles north of Chilcoot. 1524 Comment
  CAS-BOT-BC52163  Ceanothus pumilus Walter Knight; Irja Knight 1969-6-26 2419 Plumas Summit of Red Hill 1934 Comment
  CHSC53215  Ceanothus velutinus var. velutinus L. P. Janeway 1989-6-15 3324 Plumas Plumas National Forest. Beckwourth Ranger District. NE-facing slopes on flank of Crocker Mtn above Red Clover Valley. 1722 Comment
  CDA43038  Centaurea diffusa Willo Vieira 2014-8-2 PDR# 320 P06131672 Plumas Whilhoitte Road, Chester. 0 Comment
  CAS-BOT-BC106075  Centaurea virgata subsp. squarrosa Margaret Williams; Emily K. Mcpherson 1975-8-5 74 -P-2 Plumas About 1 mi. north of Chilcoot on road to Frenchman's Dam - Sierra Nevada 1524 Comment
  CAS-BOT-BC388185  Cerastium fontanum Clarence R. Quick 1963-8-23 63 -101 Plumas West of creek, Cottonwood Creek Crossing, southwest of Humbug Valley Comment
  UCD107449  Cerastium glomeratum Tim Kuhn 2006-6-30 21 Plumas north of Lake Davis at Old House Meadow. Comment
  RSA59450  Cercocarpus ledifolius E. K. Balls 1950-9-2 15659 Plumas S slope of Mt. Ingalls below turnoff to Nye Valley. 2104 Comment
  SEINET10904121  Cercocarpus ledifolius Mary Susan Taylor 1981-7-6 Taylor 3979 Plumas 6200-6400 ft. T25N R15E se/sw sec 32. Dixie Mt quad. In the Y of the 2 Ross Canyon Rds (25N31A & B), ca. 1.5 mi E of Dixie Valley Rd (28N01), ca. 16 air mi NW of Chilcoot. Open, dry gravelly soils; 1890 Comment
  CHSC57119  Chaenactis douglasii var. douglasii L. P. Janeway 1991-8-4 4133 Plumas Plumas National Forest. Along Beckwourth-to-Laufman Road (near district boundary) on the west side of Dixie Creek. 1676 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
  CHSC81116  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2001-8-28 9187 Plumas Along the sides of the dirt roads, along road C - Line of Roseburg Resources Company, 1/8 mile south of Highway 36 and 89 at sign of Roseburg Lumber Company, Almanor Tree Farm, A Producing Forest, about 5 miles (air) southwest of Chester. 1402 Comment
  JEPS125726  Chamaesyce serpillifolia subsp. serpillifolia William Harnach 2015-8-6 1438 Plumas 4.85 miles West of Vinton on Highway 70. Comment
  SEINET10529933  Cheilanthes siliquosa Mary Susan Taylor 1980-9-27 Taylor 3347 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
  UC1136367  Chenopodium atrovirens C. W. Hanks 1934-8-13 43 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  CHSC94840  Chenopodium berlandieri Lowell Ahart 2006-10-8 13391 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
  RSA88569  Chenopodium berlandieri var. zschackei J. T. Howell 1951-8-19 28179 Plumas Greenville. 1098 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
  JEPS115528  Chenopodium pumilio Lowell Ahart, John Dittes 2009-9-7 16380 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC451419  Chimaphila menziesii Mrs. Jos. Clemens 1919-10-14 s.n. Plumas Greenville Comment
  CAS-BOT-BC451427  Chimaphila menziesii Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1605 Plumas Butterfly Botanical Area and vicinity: Fern Glen 1097 Comment
  CHSC46652  Chimaphila menziesii Lowell Ahart 1989-7-7 6367 Plumas East of Bunker Hill Creek, about 1/2 mile north-east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC451341  Chimaphila menziesii John Thomas Howell 1960-7-22 35895 Plumas Lassen Volcanic National Park, Devil's Kitche3n to Drakesbad 1828 Comment
  RSA101398  Chimaphila menziesii R. Weatherby 1955-7-21 1646 Plumas Bottle Springs, near Middle Fork Feather River. 1616 Comment
  SD7834  Chimaphila menziesii Mrs. R. M. Austin 187? Plumas Mt. Dyer Big Meadows Comment
  CHSC59193  Chrysolepis sempervirens Vernon H. Oswald; Lowell Ahart 1992-9-15 5207 Plumas Lassen Volcanic National Park. Bonte Peak located E of Mt. Harkness and Juniper Lake. On the north side of the mountain. 2164 Comment
  RSA59307  Chrysolepis sempervirens E. K. Balls 1950-9-12 15791 Plumas 1.2 mi. along trail from Lakes Center Public Campground to Long Lake outlet. 2043 Comment
  RSA60126  Chrysothamnus nauseosus subsp. albicaulis E. K. Balls 1950-9-2 15649 Plumas Mt. Ingalls Lookout, north of Grizzly Valley 2485 Comment
  CAS-BOT-BC100820  Chrysothamnus viscidiflorus subsp. viscidiflorus David D. Keck 1938-8-9 4902 Plumas Beckwith (Beckwourth), Sierra Valley, 0.5 mi. E. of town 1500 Comment
  JEPS75245  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1974-6-1 34968 Plumas near Beckwourth; Sierra Valley 1478 Comment
  UC595085  Chrysothamnus viscidiflorus subsp. viscidiflorus David D. Keck 1938-8-9 4902 Plumas 0.5 mi e of town Beckwith; Sierra Valley, Beckwith (Beckwourth) 1501 Comment
  RSA59315  Cichorium intybus E. K. Balls 1950-9-14 15799 Plumas Where Dixie Canyon runs into Indian Creek, Hwy 89 1098 Comment
  SEINET10454641  Cicuta douglasii Mary Susan Taylor 1982-7-22 Taylor 4901 Plumas T24N R8E nw/ne sec 12. Bucks Lake quad. On earth dam crossing Waupaunsie Creek, w side of Snake Lake Rd, ca. 1.5 mi ne of Meadow Valley. 4750 ft. 1448 Comment
  UCD127356  Cicuta douglasii Elaine Ahrenholz 1962-6-2 54 Plumas 1 mile above Oakland Camp, Spanish Creek. Comment
  CAS-BOT-BC190013  Cinna latifolia John Thomas Howell 1976-7-16 51919 Plumas Sierra Nevada. Just east of Bucks Summit on road to Meadow Valley. 1645 Comment
  JEPS116104  Circaea alpina subsp. pacifica Lowell Ahart, John Dittes 2009-7-28 16197 Plumas On wet soil and humus, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  CDA13368  Cirsium andersonii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13217 Plumas Sierra Nevada; at inter. of Hwy. 70 & Sloat Rd. approx. 3 m. E of Spring Garden. Comment
  JEPS107724  Cirsium andersonii Lowell Ahart, John Dittes 2005-9-20 12432 Plumas The northwest side of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2029 Comment
  CHSC97117  Cirsium arvense Lowell Ahart; Josephine Guardino 2007-7-20 14335 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CAS-BOT-BC284413  Cirsium arvense Lowell Ahart 1981-9-6 3102 Plumas 1 1/2 miles SW of Crescent Mills, Sierra Nevada 1200 Comment
  CAS-BOT-BC278099  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35988 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CDA13560  Cirsium occidentale var. candidissimum G. F. Hrusa, T. D. Wilfred 1996-7-22 13388 Plumas Sierra Nevada; Plumas Natl. Forest. below summit of Lava Peak above Long Valley Creek, approx. 1/2 m. N. of Hwy 70 about 15 m. E of Quincy. Comment
  CHSC40956  Cirsium occidentale var. candidissimum J. D. Jokerst 1984-7-10 2093 Plumas Canyon of Indian Creek between creek and Indian Creek Rd. east of Rattlesnake Ravine. 1249 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
  UCD130633  Cirsium ochrocentrum var. ochrocentrum T. C. Fuller 1959-10-2 3230 Plumas Loyalton-Vinton Road just north of county line, 7.3 miles south Vinton. Comment
  CAS-BOT-BC286452  Cirsium scariosum John Thomas Howell 1960-7-24 35983 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC228905  Cistanthe umbellata Rimo Bacigalupi 1927-7-11 1716 Plumas Near Grassy Lake Meadows, Gold Lake Region 1889 Comment
  CAS-BOT-BC228913  Cistanthe umbellata M. S. Taylor 1982-5-19 4485 Plumas Ramelli Ranch ca. 1 mi w of Beckwourth 1487 Comment
  CAS-BOT-BC228713  Cistanthe umbellata Anna Head 1921-7-7 s.n. Plumas East Pk., Feather River Region Comment
  CHSC71154  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-13 4693 Plumas Between Lookout Rock and Middle Fork Feather River; along Road 23N19 6.1 mi southeast of Road 23N60. Southwest-facing road cutbank. 1621 Comment
  SEINET10492497 Image available Clarkia mildrediae subsp. mildrediae A. Arthur Heller 1938-7-2 Heller 15153 Plumas Plentiful in coarse granite sand on a steep slope about shrubs about two miles west of Arch Rock Tunnel, in arid Transition Life Zone. Not observed elsewhere. Comment
  UC725468  Clarkia purpurea A. A. Heller 1938-7-2 15234 Plumas just n Quincy (along highway near the bridge over creek); Spanish Creek Comment
  CAS-BOT-BC163849  Clarkia purpurea subsp. quadrivulnera A. A. Heller; P. B. Kennedy 1907-7-12 8827 Plumas Between Taylorville and Crescent Mills Comment
  CAS-BOT-BC163857  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1975-6-16 51155 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC164919  Clarkia rhomboidea John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-12 2110 Plumas Between valley proper and Darlingtonia bog 1066 Comment
  CAS-BOT-BC164927  Clarkia rhomboidea A. A. Heller; P. B. Kennedy 1907-7-4 8720 Plumas Ridge east of Red Clover Valley Comment
  HSC93326  Clarkia rhomboidea Vernon H. Oswald, L. Ahart 1996-7-15 8019 Plumas E side of the arm of Lake Almanor extending N from Hwy. 36 causeway, S of the point where the road to Last Chance Campground begins to parallel the lake, High Cascade Range. 1372 Comment
  CHSC107459  Clarkia stellata Matt Simenc; L. Janeway 2011-7-11 24 Plumas Northern High Sierra Nevada. Growing in a dense patch at base of a dead Abies concolor at the edge of a rock outcrop. 1745 Comment
  CHSC76317  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
  HSC22940  Clarkia stellata John Pratt 1970-6-25 45 Plumas 1707 Comment
  JEPS43677  Clarkia stellata W. L. Jepson 1910-6-4 4059 Plumas near Big Meadows 1310 Comment
  CHSC11357  Claytonia lanceolata Lowell Ahart 1970-6-25 Plumas Six miles N.W. of La Porte. 1828 Comment
  CHSC21717  Claytonia lanceolata F. T. Griggs; A. Pass 1975-7-16 186 Plumas Along road, N. shore of Lower Buck's Lake. Comment
  CHSC72460  Claytonia lanceolata L. P. Janeway 1998-6-22 5649 Plumas About 1 mi south of Indicator Peak; along Road 28N08 3.0 mi northeast of Road 29N46. 2042 Comment
  SEINET10929032  Claytonia lanceolata Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4198 Plumas Ca. 1/4 mi e of Feather Fork Mine, ca. 5.5 mi n of La Porte. Red Fir Forest; 1800 m. 1800 Comment
  UCD69665  Claytonia perfoliata Ernie Bell 1982-5-23 27 Plumas Southwest end of Snake Lake, approximately 10 miles southwest of Quincy. 1219 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
  SEINET5336425  Claytonia rubra subsp. rubra A. A. Heller, P. B. Kennedy 1907-7-11 8804 Plumas Prattville 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
  HSC20613  Collinsia parviflora R. J. Vernimen 1963-5-4 48 Plumas 7 mi. S of Lake Almanor on Hwy. 89 1372 Comment
  CDA9309  Collinsia tinctoria D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .258 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  RSA184930  Collomia grandiflora L. S. Rose 1966-7-27 66052 Plumas Quincy Comment
  UC1123642  Collomia grandiflora A. Lewis 1934-6-18 484 Plumas La Porte Plumas National Forest, Downieville Quadrangle 1524 Comment
  CHSC81393  Collomia heterophylla L. P. Janeway 1996-5-20 4976 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwest of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  CHSC89514  Collomia tinctoria G. D. Barbe; T. C. Fuller 1982-6-17 3820 Plumas Northern California. Plumas National Forest. South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. [Lat./long. on label is '39 54 N; 120 11 W']. 1706 Comment
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Sep 23 2008
  UC1552751  Collomia tinctoria Frederica Bowcutt 1985-6-6 537 Plumas s-facing road bank 0.2 mi se Drum Bridge (about 15 air mi ne of Quincy, immed. n of Red Clover Creek and Beckworth Genesee Road); Plumas National Forest Comment
  UC1585859  Collomia tinctoria Barbara Ertter with Gary Schoolcraft 1989-7-3 8643 Plumas ca 1/2 mi below Red Rock Lookout (ca 8 air mi s of Susanville, bare gravel and outcrop between road and cliff) 2133 Comment
  SJSU14361  Collomia tinctoria N. A. Hopkins 1990-7-1 1625 Plumas 17.2 mi N of Beckwourth on Beckwourth-Genessee Rd 1584 Comment
  CAS-BOT-BC286167  Conyza canadensis Lowell Ahart 1981-9-6 3088 Plumas 1 1/2 miles SW of Crescent Mills 1200 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
  RSA101511  Corallorhiza maculata R. Weatherby 1955-7-4 1594 Plumas Across Rock Creek, 0.5 mile below Deane Valley, near Meadow Valley 1341 Comment
  UC1075743  Corallorhiza maculata Robert J. Weatherby 1955-7-4 1594 Plumas across creek 1/2 mi below Deane Valley (near Meadow Valley); Rock Creek 1341 Comment
  CAS-BOT-BC133725  Corallorhiza trifida Bruce A. Sorrie; D. Beall; C. Vandervegt 1977-7-18 192 Plumas Field redacted by CAS, contact the data manager for more information Comment
  CHSC53729  Cordylanthus pilosus var. tenuis L. P. Janeway 1989-7-21 3514 Plumas Plumas National Forest. Forested slope on NW side of Red Clover Valley. 1706 Comment
  CHSC35284  Cordylanthus tenuis subsp. tenuis M. S. Taylor 1981-8-20 4229 Plumas At jct rds 26N18, 26N92, and 27N92, ca 1/2 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CHSC43491  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1974-8-7 592 Plumas In Cedar Flat, near Grixxly Mountain, about 1 mile south of Bucks Lake. 1828 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
  JEPS87883  Cordylanthus tenuis subsp. viscidus Lowell Ahart 1994-7-28 7529 Plumas southwest of Bucks Lake Frenchman Hill 1706 Comment
  RSA232860  Cornus nuttallii L. S. Rose 1968-6-11 68107 Plumas Butterfly Valley, 4 mi. s. of Keddie. 1037 Comment
  SBBG59862  Cornus nuttallii A. Lefebure 1941-9-21 Plumas Union Crk Trail Comment
  UC1350964  Cornus nuttallii E. Fritz 1939-6 8532 Plumas Comment
  CAS-BOT-BC210310  Cornus sericea Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC210312  Cornus sericea Anna Head 1920-7-5 s.n. Plumas Lake Center Camp. Feather River Region 1920 Comment
  RSA0091883  Cornus sericea subsp. sericea Bonnie C. Templeton 1968-1 11273 Plumas [No location information on label.] Comment
  CHSC88659  Corydalis caseana subsp. caseana B. Castro 1992-9-28 Plumas Plumas National Forest. In a creek. 1645 Comment
  UC917265  Corylus californica J. M. Tucker 1948-7-25 1734 Plumas in vicinity of Cascade Comment
  UCD110092  Corylus cornuta subsp. californica J. M. Tucker 1948-7-25 1734 Plumas Woods in vicinity of Cascade. Comment
  POM106659  Corylus cornuta var. californica Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico. 915 Comment
  UC1585914  Crassula aquatica Barbara Ertter 1988-10-21 8011 Plumas e. end of causeway ca. 1.5 mi. e. of Chester (on Hwy. 36, n. of rd., Lake Alamanor); Lake Alamanor 1341 Comment
  CAS-BOT-BC290321  Crepis Clare B. Hardham 1975-8-2 20484 Plumas Black Mt. 2133 Comment
  CHSC102071  Crepis acuminata Lowell Ahart; John Dittes 2009-7-15 16098 Plumas On dry rocky soil, east of the power line, on the south side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  CAS-BOT-BC290447  Crepis acuminata E. Sawyer 1935-6-18 123 Plumas 5 miles south southeast of Crow 1981 Comment
  RSA7880  Crepis intermedia H. A. Barker 1927-7-1 755 Plumas Blairsden 1372 Comment
  UC476322  Crepis intermedia Mrs. L. W. Swift June, 1931 3032 Plumas along cr. beyond Stony Ridge; Plumas National Forest, Last Chance Cr. Comment
  UC346557  Crepis intermedia E. B. Babcock 1928-6-15 160 Plumas nr. hwy about 200 yd above Spring Garden P.O. 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
  UC567188  Crepis occidentalis subsp. occidentalis E. Sawyer 1935-6-4 63 Plumas 3 3/4 mi se Beckwith Butte; Sierraville Quadrangle 1493 Comment
  CAS-BOT-BC290855  Crepis pleurocarpa Alice Eastwood 1912-8-22 1902 Plumas Battle Creek Meadows, Lassen Butte Region Comment
  CHSC34910  Crepis pleurocarpa M. S. Taylor 1981-7-21 4083 Plumas NE corner of jct of 25N42 and 401, e and above Squirrel Creek, ca. 3 air mi n of Spring Garden. 1371 Comment
  CHSC48142  Crepis pleurocarpa Vernon Oswald 1986-7-10 2191 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  CHSC79671  Crepis pleurocarpa G. F. Hrusa; T. D. Wilfred 1996-8-1 13414 Plumas Northern California, Sierra Nevada. ~ 1/4 mi. S of intersection of USFS 24N42 and 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. [Original lat./long. on label is '39 55 N; 120 44 W']. 1950 Comment
  CHSC21510  Cryptantha affinis L. Mayer; D. Brink 1975-7-29 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS114425  Cryptantha affinis Lowell Ahart 2008-7-9 15061 Plumas Near seeps, on the east side of the good logging road , about 100 yards south of a small stream, north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir 1645 Comment
  RSA769817  Cryptantha affinis L. P. Janeway, B. Castro 2009-7-18 9862 Plumas Northern High Sierra Nevada. Near head of a major northwestern fork of Toland Creek, 1.7 air km northeast of Soapstone Hill and about 100 m southeast of Oroville-Quincy Hwy 1643 Comment
  SEINET3840837  Cryptantha ambigua G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3809 Plumas Plumas National Forest 1700 Comment
  RSA666471  Cryptantha echinella Barbara Ertter 1988-7-25 7854 Plumas Diamond Mountains: ca. 15 air miles due S of Susanville, sheep camp on Pierce Creek. 1982 Comment
  CHSC43472  Cryptantha intermedia Lowell Ahart 1979-7-18 1990 Plumas Along the road to Cleghorn Bar, about 2 miles north-west of Pilot Peak, about 12 miles north of La Porte. 1676 Comment
  JEPS115225  Cryptantha torreyana Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16149 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  RSA95527  Cryptantha torreyana J. T. Howell 1951-6-27 27573 Plumas Johnsville; Sierra Nevada 1585 Comment
  SEINET10870093  Cryptantha torreyana Mary Susan Taylor 1982-9-8 Taylor 5116 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  UC174946  Cryptantha torreyana Katharine Brandegee Plumas Portola Comment
  UC123027  Cryptogramma acrostichoides Mrs. R. M. Austin 1879-1 Plumas Mt Dyer Comment
  CAS-BOT-BC70455  Cryptogramma acrostichoides M. S. Taylor 1982-8-30 5078 Plumas Kettle Rock quad., s end of Taylor Lake, ca. 6 air mi ne of Taylorsville 2103 Comment
  UC1093684  Cryptogramma acrostichoides Herbert L. Mason 1926-7-12 2894 Plumas Mt Elwell Comment
  CAS-BOT-BC80530  Cupressus bakeri C. R. Quick; R. F. Wilcox 1962-10-1 62 -2 Plumas About 3/4 mile NE of Eisenheimer Peak, near east side of Mud Lake, extending northward down slope toward Wilcox Valley 2042 Comment
  RSA176228  Cupressus bakeri C. R. Quick, Wilcox 1962-10-1 62 -2 Plumas 1.5 miles W of Wheeler Peak., an extension of known range 1997 Comment
  UC1229887  Cupressus bakeri C. R. Quick and H. F. Wilcox 1962-10-1 62 -1 Plumas 1.5 mi w of Wheeler Peak (scatted grove of ca 3 acres on n and e borders on an open lava cap) 1996 Comment
  CAS-BOT-BC224547  Cuscuta californica M. S. Taylor 1982-8-5 4928 Plumas Mt Hough summit, ca. 7 mi nne of Quincy 2203 Comment
  CHSC46487  Cuscuta californica Lowell Ahart 1981-7-21 2971 Plumas Along Cleghorn Bar Road, about 1-1/2 miles west of La Porte Quincy Road, about 2 miles north-west of Pilot Peak. 1767 Comment
  CHSC36994  Cuscuta californica var. breviflora M. S. Taylor 1982-8-5 4928 Plumas Mt Hough summit, ca. 7 mi nne of Quincy. 2203 Comment
  CHSC66755  Cuscuta californica var. breviflora Vernon H. Oswald; Lowell Ahart 1996-8-14 8151 Plumas Northern High Sierra Nevada, Yellow Pine Forest. Northeast of La Porte on the La Porte-Quincy Rd. 3.1 mi N of the road to Johnsville, 1.0 mi S of the South Fork of the Feather River. 1920 Comment
  CHSC102151  Cuscuta californica var. papillosa Lowell Ahart; John Dittes 2009-7-29 16194 Plumas On Ceanothus prostratus, aove the high road bank, on the east side of Forest Service Road 26N23, saddle between Ohio Valley and Clear Creek, 2.0 miles (air) northeast of Butt Valley Reservoir Dam. 1508 Comment
  UC124431  Cuscuta subinclusa Mrs. R. M. Austin Jul 1896 492 Plumas Lassens Peak Comment
  SD7701  Cycladenia humilis var. humilis R. M. Austin 1879-1 Plumas Dutch Hill Comment
  UCD97459  Cymopterus terebinthinus Albert Grigarick 2010-5-11 245 Plumas Sierra Valley. 10 mi N of Sattley on Westside Rd. Turn right (east) on Marble Hot Springs Rd. (Dyson Ln in Google Maps) for 0.5 mi. 1483 Comment
  CHSC70777  Cymopterus terebinthinus var. californicus B. Castro 1995-7-10 581 A Plumas Ca 1 air mi N of Middle Fork Feather River, ca 1/2 mi W of Little Marble Cone, W of S end of 'B' spur off USFS Rd 22N29, W of old Kellogg fire lookout. 1463 Comment
  JEPS94295  Cyperus eragrostis Lowell Ahart 1997-9-11 7912 Plumas about 2 air mi ne of Belden (on the e side of Caribou Road, on the e side of the North Fork Feather River at the elevated siphon); North Fork Feather River, Caribou Road 731 Comment
  RSA252446  Cyperus squarrosus Robert F. Thorne, C. W. Tilforth 1969-9-6 39231 Plumas Along Feather River, 1 mi SW of Beckwourth. 1357 Comment
  UCD141099  Cyperus squarrosus E. K. Balls 1950-9-14 15814 Plumas 6 miles NW of Chester, North Fork Feather River. 1402 Comment
  CAS-BOT-BC114129  Cyperus squarrosus Doris K. Kildale 1926-9-11 2780 Plumas Creek near Chester. Comment
  JEPS95071  Cyperus strigosus Lowell Ahart 1997-9-11 7909 Plumas about 2 air mi ne of Belden (on e side of Caribou Road, on e side of North Fork Feather River, at elevated siphon); Caribou Road, North Fork Feather River 731 Comment
  HSC73117  Cypripedium fasciculatum M. S. Taylor 1981-7-14 4020 Plumas Saddle at head of Bullfrog Ravine. Up to 1/4 mi. E and W of Rd. 26N18, 3 air mi. NW of Indian Falls. 1585 Comment
  CAS-BOT-BC70669  Cystopteris fragilis John Thomas Howell; Gordon H. True 1967-5-9 42210 Plumas Lewisia Rock, 3.5 miles southwest of Belden, Feather River Canyon 609 Comment
  CHSC21825  Cystopteris fragilis F. T. Griggs; A. Pass 1975-8-1 405 Plumas Bucks Lake Forest Service Survey. Comment
  CAS-BOT-BC189784  Dactylis glomerata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1529 Plumas Butterfly Botanical Area and Vicinity. Area north of Pond Reservoir. 1097 Comment
  CAS-BOT-BC186625  Danthonia californica Walter Knight; Irja Knight 1966-6-19 1627 Plumas In area north of Pond Reservoir. Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC189661  Danthonia californica David D. Keck 1944-7-8 5440 Plumas Sierra Nevada. East end of Lake Almanor, east side of dam. 1341 Comment
  CHSC87862  Danthonia californica var. americana Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11006 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
  JEPS103524  Danthonia californica var. californica Lowell Ahart 2002-7-2 9818 Plumas On the bottom of the water holding pond, ca 150 yards N of Forest Road 22N94, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1597 Comment
  CAS-BOT-BC76205  Darlingtonia californica Paul F. Covel 1937-7-20 786 b Plumas Approximately 6 miles north Quincy. Comment
  CHSC12669  Darlingtonia californica K. R. Stern 1974-5-11 Plumas Very abundant in Butterfly Valley, ca. 6 mi w of Q ... Field redacted by CHSC, contact the data manager for more information 1170 Comment
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May 26 2010
  RSA236757  Darlingtonia californica Larry E. DeBuhr, Gary D. Wallace 1972-5-21 595 Plumas Plumas Nat'l Forest, Butterfly Valley about 1 mile SW of Keddie. 1189 Comment
  UCD119060  Darlingtonia californica Dean Ahrenholz 1964-5-16 22 Plumas Snake Lake Road, 5 miles west of Quincy. Comment
  JEPS127029  Delphinium gracilentum Lowell Ahart 2016-6-2 20913 Plumas Lumpkin Ridge Road, about 3 3/4 miles (air) southwest of Little Grass Valley Reservoir Dam. Comment
  JEPS60599  Delphinium nudicaule E. Fritz 1936-5-27 Plumas Spring Hill trail Meadow Valley 1371 Comment
  CAS-BOT-BC116074  Delphinium nuttallianum Anna Head 1921-7-7 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CDA14684  Delphinium nuttallianum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3140 Plumas 3.25 miles west of Round Valley Reservoir dam, 0.25 mile east of junction with road to Canyon Dam, south arm of Lake Almanor. 1633 Comment
  JEPS106187  Delphinium nuttallianum Lowell Ahart, Josephine Guardino 2004-5-24 10939 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
  SBBG25598  Delphinium nuttallianum C. B. Hardham 1961-6-16 7476 Plumas Diamond Peak [Diamond Mountain] Comment
  SEINET5338054  Delphinium nuttallianum A. A. Heller, P. B. Kennedy 1907-7-3 8702 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC121742  Delphinium patens subsp. patens John Thomas Howell 1951-6-27 27579 Plumas McRae Meadow 1981 Comment
  UC174592  Deschampsia cespitosa A. A. Heller and P. B. Kennedy 1907-7-9 8790 Plumas Prattville Comment
  CAS-BOT-BC192437  Deschampsia cespitosa subsp. cespitosa A. A. Heller; P. B. Kennedy 1907-7-9 8790 Plumas Prattville Comment
  JEPS113674  Deschampsia cespitosa subsp. cespitosa Lowell Ahart, Josephine Guardino 2007-7-20 14344 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  CAS-BOT-BC198152  Deschampsia danthonioides John Thomas Howell 1962-6-18 37748 Plumas Sierra Valley near Beckwourth - Sierra Nevada 1487 Comment
  RSA201362  Deschampsia danthonioides J. T. Howell 1960-7-19 35619 Plumas Lassen Volcanic National Park; Drakesbad 1677 Comment
  UC790983  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas w. side Lake Almanor 1828 Comment
  CAS-BOT-BC198150  Deschampsia danthonioides John Thomas Howell 1959-9-22 34875 Plumas Lassen Park Ranger Staton on road from Chester to Drakesbad 1676 Comment
  SEINET10900456  Deschampsia danthonioides Alan A. Beetle 1941-6-28 Beetle 2767 Plumas West side of Lake Almanor, mountain meadow in open pine forest. Assoc. Crepis, Sanicula tuberosa, Phacelia. 1829 Comment
  CAS-BOT-BC201892  Deschampsia elongata A. A. Heller 1915-7-7 12068 Plumas Near the summit of Soapstone Ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  CDA13373  Deschampsia elongata G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13222 Plumas Sierra Nevada; Disturbed, moist base of roadcut ditch. Plants in full sun, larger than usual. E side of Sloat Rd. at inter. of Hwy. 70 & Sloat Rd. approx. 3 m. E of Spring Garden. Perennial. Comment
  CDA13965  Deschampsia elongata G. F. Hrusa 1996-8-2 13427 Plumas Sierra Nevada; Steep rocky slopes at SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Sunny site, on moist to wet springline trib. of Squirrel Creek. Perennial, bunching. Uncommon here. Comment
  CHSC60170  Deschampsia elongata L. P. Janeway 1992-7-1 4245 Plumas Plumas National Forest. North side of Middle Fork Feather River along drainage of Bonta Creek across a gravel bar of the river. 1310 Comment
  CHSC65879  Deschampsia elongata L. P. Janeway 1995-10-25 4952 Plumas Lakes Basin. Southwest end of Lakes Basin Campground, southeast side of Grass Lake. 1920 Comment
  CHSC80907  Deschampsia elongata Lowell Ahart 2001-7-19 8952 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
  CHSC41380  Descurainia incana Lowell Ahart 1986-7-1 5331 Plumas On a gravel bar along Bunker Hill Creek, at the Bunker Hill Mine, about 11 miles north-east of La Porte. 1889 Comment
  CAS-BOT-BC43039  Descurainia incisa subsp. incisa M. S. Taylor 1982-5-17 4463 Plumas North side of 22N55, near its junction with 22N54 and 22N88, ca. 2 miles SE of Portola on ridges N of Beckwourth Peak. 1706 Comment
  CAS-BOT-BC402542  Dicentra pauciflora John Thomas Howell; Gordon H. True 1967-7-11 43362 Plumas Southeast slope of Mt. Hough 2042 Comment
  CAS-BOT-BC242667  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 b Plumas Lassen National Park, Devils Kitchen, Hot Springs Creek canyon, 1.5 miles W. of Drakesbad 1859 Comment
  SEINET241786 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 d Plumas Lassen NP ; Devils Kitchen, Hot Springs Creek Canyon, 1.5 miles W. of Drakesbad. 1859 Comment
  RSA52856  Dichanthelium acuminatum var. fasciculatum R. Weatherby 1950-7-17 1467 Plumas Feather River Camp, 4 miles north of Quincy 1067 Comment
  RSA508625  Dichelostemma capitatum subsp. capitatum Mrs. R. M. Austin s.n. Plumas [no locality information provided] Comment
  UC843821  Dichelostemma multiflorum A. A. Heller 1938-6-14 15159 Plumas near Gray's Flat (on the Feather River Highway) 868 Comment
  CAS-BOT-BC502661  Dichelostemma multiflorum G. L Smith 1959-6-20 1261 Plumas Butterfly Valley near Quincy 1082 Comment
  RSA59106  Dichelostemma multiflorum E. K. Balls 1950-8-30 15510 Plumas 1 mile west of Feather River Experiment Station, 4 miles north of Quincy. 1220 Comment
  CAS-BOT-BC290981  Dieteria canescens var. shastensis Carl B. Wolf 1937-9-5 9291 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co. line 1463 Comment
  CAS-BOT-BC150232  Diplacus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54406 Plumas Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1554 Comment
  CAS-BOT-BC150483  Diplacus grandiflorus F. W. Pennell; A. A. Heller 1940-6-5 25687 Plumas Route 24, along Feather River, below Belden 487 Comment
  CAS-BOT-BC153531  Diplacus leptaleus Catherine Best 1987-6-10 1286 Plumas Lakes Basin Campground 1828 Comment
  CAS-BOT-BC151813  Diplacus mephiticus Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas About 6 miles west of Johnsonville, on road from Mohawk Comment
  CHSC1797  Diplacus pygmaeus V. Holt 1932-5-29 Plumas Flats near Lake Almanor. 1310 Comment
  CAS-BOT-BC151684  Diplacus torreyi Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l Park Comment
  CHSC62591  Diplacus torreyi B. Castro 1987-6-21 131 Plumas E side of Little Grass Valley Reservoir. 1524 Comment
  JEPS97403  Dodecatheon alpinum Vernon H. Oswald and L. Ahart 1994-7-24 7107 Plumas T30N R7E NW1/4 NW1/4 Sec. 27, 6400 ft, High Cascade Range, Red Fir Forest. Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake 1950 Comment
  JEPS14448  Downingia bacigalupii H. L. Mason 1924-6-26 Plumas Blairsden Comment
  UC131883  Downingia bacigalupii Mrs. A. L. Coombs 1902-7-7 Plumas Prattville Comment
  RSA52924  Downingia bacigalupii R. Weatherby 1950-7-28 1488 Plumas Indian Creek Canyon N of Taylorsville. 1067 Comment
  CHSC60276  Draba verna K. B. McShea 1992-4-24 4 Plumas At 53 Meyers St., Quincy. 975 Comment
  UCR115325  Draperia systyla G. D. Barbe, T. C. Fuller 1982-7-15 3745 Plumas Sierra Nevada Mtns, Plumas National Forest. 3.4 mi NE of jct with road to Red Hill 1524 Comment
  JEPS84392  Drosera X obovata V. Oswald and W. Dempsey 1989-8-3 3914 c Plumas se Drakesbad (just s of voundary of Lassen Volcanic National Park); Willow Lake 1676 Comment
  CHSC580  Drosera anglica R. Calkins 1932-7-1 Plumas Humbug Valley swamp. ... Field redacted by CHSC, contact the data manager for more information 1310 Comment
  CDA25346  Drosera rotundifolia G. D. Barbe 1977-8-16 2329 Plumas 0.6 mile west of road to Twain, 0.6 mile west of end of pavement; Butterfly Valley. 0 Comment
  CHSC46703  Drosera rotundifolia V. Oswald; W. Dempsey 1989-8-24 3967 Plumas Big Springs in Humbug Valley, ca. 13 mi (air) s of ... Field redacted by CHSC, contact the data manager for more information 1316 Comment
  UCD123985  Drosera rotundifolia Barry Rice 2011-7-16 BR 110706 Plumas no exact location. 1560 Comment
  SEINET6647417  Drosera rotundifolia H. N. Mozingo s.n. Plumas Butterfly Valley 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
  SEINET6689722  Drymocallis glandulosa var. glandulosa L. R. Miller 1934-5-25 s.n. Plumas 15 miles west of Portola. Comment
  CAS-BOT-BC534974  Drymocallis glandulosa var. reflexa Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1968-6-11 2373 Plumas Sierra Nevada, in canyon of Butterfly Creek between Spanish Creek and Butterfly Valley Comment
  CAS-BOT-BC143429  Drymocallis lactea var. lactea Clare B. Hardham 1978-8-11 21772 Plumas About 5 miles southeast of Thompson Peak Comment
  CAS-BOT-BC159307  Drymocallis lactea var. lactea L. P. Janeway 1989-4-22 3366 Plumas Slopes between Crocker Mtn and Crocker Mdw, along rd 24N49Y - Bechwourth Ranger District, Plumas National Forest 1804 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
  UC1594586  Dulichium arundinaceum Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway, and Joan Reynolds 1992-7-1 5037 Plumas just w of Lakes Basin Campground (5 air mi ssw of Graegle via Gold Lake Forest Hwy, County Road 519, Grass Lake); Grass Lake, County Road 519 1926 Comment
  UC1730226  Dulichium arundinaceum L. P. Janeway 1998-9-10 6277 Plumas Along the northwest shore of Snake Lake; about 5 mi northwest of Quincy. 1205 Comment
  CAS-BOT-BC113792  Dulichium arundinaceum G. Schoolcraft 1997-8-5 2640 Plumas Small Lake E of Hay Meadow. 1908 Comment
  JEPS122314  Dysphania pumilio Lowell Ahart 2014-8-31 19826 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  UCR3557  Eburophyton austiniae Wm. Horn Jr. 1963-7-14 630714- 8 Plumas Northern Sierra Nevada Mtns, Meadow Valley, 120-130 yards south of Bucks Lake Road, 1 mi west of Meadow Valley Store at edge of clearing 1159 Comment
  CHSC81636  Eleocharis acicularis var. occidentalis Lowell Ahart 2001-10-8 9322 Plumas Below the high water line of Antelope Lake, at the day camp that is north of Dedication Island, Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  CAS-BOT-BC113495  Eleocharis bella Lowell Ahart 1985-7-11 5137 Plumas Below the high water line of Little Grass Valley Reservoir, 1584 Comment
  CHSC40265  Eleocharis bella Lowell Ahart 1985-7-11 5137 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CAS-BOT-BC113384  Eleocharis engelmannii Thomas H. Kearney 1944-8-14 17 Plumas Near Prattville, Lake Almanor Comment
  CHSC78189  Eleocharis macrostachya Lowell Ahart 2000-5-21 8382 Plumas About 30 feet north of the pond, Butterfly Valley, about 5 miles (air) northwest of Quincy. 1005 Comment
  JEPS115128  Eleocharis macrostachya Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16229 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  CHSC78472  Eleocharis quinqueflora L. P. Janeway 2000-7-16 6913 Plumas Northern High Sierra Nevada. Small meadow at head of branch of Axford Creek; southeast edge of Granite Basin (but not granite substrate). 1609 Comment
  UCD61576  Elymus elymoides Beecher Crampton 1954-5-10 1871 Plumas 1 mile west of Portola. 1472 Comment
  CAS-BOT-BC206506  Elymus glaucus subsp. glaucus John Thomas Howell 1960-7-18 35598 Plumas Drakesbad, meadow near bath house - Lassen Volcanic National Park 1828 Comment
  CHSC112379  Elymus hispidus L. P. Janeway 2014-7-17 11562 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; 0.5 km north of Long Valley Creek, along the dryish eastern edge of the large meadow on the northwest side of Happy Valley. 1746 Comment
  JEPS127333  Elymus multisetus Lowell Ahart 2016-7-9 21094 Plumas Top and on the north side Table Mountain, about 2 miles (air) northwest of of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CAS-BOT-BC213821  Elymus repens John Thomas Howell 1976-7-15 51832 Plumas Quincy - Sierra Nevada 1051 Comment
  CDA17225  Elymus trachycaulus G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16328 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC204409  Elymus trachycaulus subsp. trachycaulus David D. Keck 1944-7-8 5429 Plumas 1 mile N. of Quincy, across Spanish Creek 1066 Comment
  HSC8764  Elymus trachycaulus subsp. trachycaulus L. S. Rose 1968-6-10 68095 Plumas Quincy Meadow 1037 Comment
  JEPS113666  Elytrigia elongata Lowell Ahart, Josephine Guardino 2007-7-20 14312 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
  NY70833  Ephedra viridis E. B. Babcock 1936-6-7 1735 Plumas North of Chilcoot 1767.8 Comment
  CHSC44975  Epilobium K. R. Stern 1985-6-25 8232 Plumas Vicinity of Blairsden. Comment
  CHSC79782  Epilobium brachycarpum G. F. Hrusa; T. D. Wilfred 1996-8-1 13415 Plumas ~ 1/4 mi. S of intersection of USFS 24N42 and 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. [Original lat./long. on label is '39 55 N; 120 44 W']. 1800 Comment
  SEINET12640894  Epilobium brachycarpum W. Harnach, N. Harnach 1990-1 402 Plumas Sierra Valley. N of Beckwourth, Genessee Road. 1615 Comment
  UC125426  Epilobium brachycarpum D. Cleveland July 1882 Plumas Big Meadows Comment
  CHSC43406  Epilobium canum subsp. latifolium Lowell Ahart 1979-8-4 2009 Plumas About 1 mile west of Pilot Peak, about 12 miles north-east of La Porte. 1828 Comment
  RSA121166  Epilobium canum subsp. latifolium C. G. Albertus 1935-7-20 207 Plumas 1.5 miles S.W. of Lava Peak. 1311 Comment
  UC874258  Epilobium canum subsp. latifolium Lewis S. Rose 1932-9-6 32630 Plumas meadow Wade Lake 1981 Comment
  JEPS102810  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2001-8-29 9242 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS28613  Epilobium ciliatum subsp. ciliatum George W. Gillett 1957-7-17 798 Plumas moist gully running into stream flowing from Little Willow Lake into Willow Lake; Lassen Volcanic National Park 1767 Comment
  CHSC75925  Epilobium densiflorum G. F. Hrusa 1996-8-2 13439 Plumas Sierra Nevada. At SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Above Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1840 Comment
  CHSC97105  Epilobium densiflorum Lowell Ahart; Josephine Guardino 2007-7-21 14383 Plumas Sides of a small drying stream, about 60 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1799 Comment
  JEPS113601  Epilobium densiflorum Lowell Ahart, Josephine Guardino 2007-7-21 14383 Plumas Sides of a small drying stream, about 60 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1799 Comment
  JEPS38224  Epilobium densiflorum W. L. Jepson 1939-8-12 19395 Plumas branch of Last Chance Creek Ferris Creek 1767 Comment
  CHSC81134  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2001-8-29 9258 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS39337  Epilobium glaberrimum subsp. glaberrimum W. L. Jepson 1924-7-22 10620 Plumas creek near Rich Pt.; Middle Fork Feather River, Dogwood Creek 1127 Comment
  SEINET10453193  Epilobium glandulosum var. tenue Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4659 Plumas T27N R12E sw/nw sec 12. Antelope Lake quad. In wet Montane Mdw, Pioneer Mdw, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. 5040 ft. 1536 Comment
  CHSC80842  Epilobium hallianum Lowell Ahart 2001-7-17 8921 Plumas Small meadow, on the south side of a poor logging road, part of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  UCD106480  Epilobium hallianum Dean W. Taylor 1976-7-9 6188 Plumas About 1 mile north of Humboldt summit. 1798 Comment
  RSA101455  Epilobium hallianum R. Weatherby 1955-7-2 1583 Plumas Wilcox Valley. 1768 Comment
  CHSC21569  Epilobium hornemannii subsp. hornemannii L. M. Mayer; D. E. Brink Jr. 1975-7-22 Plumas Bucks Lake. Found at the edge of a stream Comment
  CHSC89325  Epilobium minutum G. D. Barbe; T. C. Fuller 1982-6-17 3855 Plumas Northern California. Plumas National Forest. East shore of Frenchman Lake; Crystal Fishing Access. Arm of the lake at the parking lot. [Lat./long. on label is '39 55 N; 120 11 W']. 1706 Comment
  JEPS115794  Epilobium minutum Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15863 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  UCD107489  Epilobium palustre Tim Kuhn 2006-6-23 35 Plumas near Bagley Pass. Comment
  SEINET13710321  Epilobium pygmaeum Lowell William Ahart, Lowell William Ahart 2001-1 9229 Plumas Little Last Chance Creek, Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  CAS-BOT-BC56989  Equisetum arvense Lowell Ahart 1968-5-20 s.n. Plumas Sam's Camp, near Webber Lake, Lodgepole Forest 2133 Comment
  SBBG133124  Equisetum arvense B. C. Templeton 1968-1 11283 Plumas unknown Comment
  CAS-BOT-BC57403  Equisetum laevigatum John Thomas Howell 1955-7-18 30727 Plumas Mohawk 1371 Comment
  CHSC102048  Equisetum laevigatum Lowell Ahart; John Dittes 2009-7-27 16182 Plumas On dry soil, about 20 yards north of the poor dirt road, on the north side of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  JEPS116123  Equisetum laevigatum Lowell Ahart, John Dittes 2009-7-27 16182 Plumas On dry soil, about 20 yards north of the poor dirt road, on the north side of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  CHSC101459  Eremogone cliftonii L. P. Janeway; Duryea Delacrois, Dorothy Kieffer 2009-7-1 9834 Plumas Northern High Sierra Nevada. Rock Island Ridge, a little west of Road 23N27 1.4 km south of Road 18, near survey monument 'Rock Island'; west edge of exposed rock and cliff overlooking Truck Ravine. 1564 Comment
  UC1125783  Eremogone cliftonii G. T. Nordstrom 1934-7-11 161 Plumas 2 1/2 mi w Bucks Mtn.; Bidwell Bar Quadrangle 1554 Comment
  RSA0057646  Eremogone congesta var. suffrutescens Barbara Ertter, Gary Schoolcraft 1989-7-3 8666 Plumas Diamond Mountain Peak, ca. 7 airmiles S of Susanville. 2317 Comment
  CAS-BOT-BC174389  Eremogone macradenia var. macradenia Alice A. Ackley 1966-6-1 s.n. Plumas Injun Jim Campground, Feather River North Fork Comment
  JEPS29565  Ericameria bloomeri John Thomas Howell 1960-8-20 36282 Plumas near Drakesbad (Kelly Camp; near Lassen Volcanic National Park) 1615 Comment
  UC762561  Ericameria bloomeri R. F. Hoover 1940-9-22 4627 Plumas Chester Comment
  UCD131323  Ericameria bloomeri John Thomas Howell 1926-7-24 36282 Plumas Kelly Camp, near Drakesbad. 1615 Comment
  JEPS116636  Ericameria nauseosa var. oreophila L. P. Janeway and Melanie Williams 2009-8-6 9909 Plumas Top of Ridge between Yellow Creek and North Fork Feather River, east of Yellow Creek Twain (5.5 km north-northeast of Belden.); Northern High Sierra Nevada 1461 Comment
  CAS-BOT-BC294291  Ericameria nauseosa var. speciosa John Thomas Howell 1974-9-20 50901 Plumas About 2 miles from Spring Garden on road to Quincy 1158 Comment
  CAS-BOT-BC299436  Ericameria nauseosa var. speciosa Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC299438  Ericameria nauseosa var. speciosa Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CHSC108095  Ericameria nauseosa var. speciosa Lowell Ahart 2011-9-17 17676 -B Plumas On the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam. 1687 Comment
  UCD161001  Erigeron G. Ledyard Stebbins 1986-6-29 C 604 Plumas Approximately 5 miles north of the town of Meadow Valley. Along Forest Service road no. 25 N-17, above Bean Creek. (Exact location unknown. Coordinates estimated by label maker). 1420 Comment
  CAS-BOT-BC293593  Erigeron barbellulatus G. L. Stebbins, Jr. 1937-5-22 2146 Plumas East sie of Beckwith [Beckworth or Beckwourth] Peak, Sierra Valley 1800 Comment
  UC1567350  Erigeron barbellulatus G. Schoolcraft 1989-7-3 1939 Plumas s of Red Rock Lookout; Diamond Mtns. 2194 Comment
  CAS-BOT-BC294470  Erigeron bloomeri var. bloomeri Matt Lavin 1983-6-2 s.n. Plumas Sierra Nevada just S of Vinton 1524 Comment
  CAS-BOT-BC297148  Erigeron concinnus var. concinnus John Thomas Howell 1951-8-19 28176 Plumas Near Paxton, Sierra Nevada 914 Comment
  CAS-BOT-BC296003  Erigeron divergens Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC296015  Erigeron divergens John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54168 Plumas 3.25 miles west of Round Valley Reservoir Dam, Sierra Nevada 1633 Comment
  CHSC101853  Erigeron divergens Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15884 Plumas About 300 yards north of Lake Almanor Dam, about 300 yards southwest of Boat Ramp, below the high water line. 1374 Comment
  CHSC97212  Erigeron divergens Lowell Ahart; Josephine Guardino 2007-7-20 14337 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  SEINET8667190 Image available Erigeron divergens A. A. Heller, P. B. Kennedy 1907-7-16 8870 Plumas Grade between Genessee valley and Summit Comment
  CHSC110290  Erigeron eatonii var. plantagineus B. Castro; L. P. Janeway 2006-6-3 1571 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley, 1.1 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1674 Comment
  CHSC53129  Erigeron eatonii var. plantagineus L. P. Janeway 1989-6-9 3281 Plumas Plumas National Forest. Forest along south side of Red Clover Valley. 1691 Comment
  CHSC60523  Erigeron eatonii var. plantagineus L. P. Janeway; Jannice Cutler 1992-5-28 4208 Plumas Plumas National Forest. Along road into southwest side of Dotta Canyon 0.6 mi east of Beckwourth-Genesee Road. 1697 Comment
  RSA0091208  Erigeron eatonii var. plantagineus Bonnie C. Templeton 1968-1 11278 Plumas [No location data on label. Possibly Trinity County.] Comment
  SBBG100110  Erigeron eatonii var. sonnei B. Ertter, G. Schoolcraft 1989-7-3 8651 Plumas below Red Rock lookout, ca. 8 air mi S of Susanville 2255 Comment
  SJSU6615  Erigeron filifolius M. R. Kempf 1965-6-23 Plumas Beckwourth Pass (on State Route 40), southeastern Plumas County 1588 Comment
  CAS-BOT-BC296130  Erigeron foliosus var. foliosus J. T. Vale 1988-10-3 s.n. Plumas Hiway 89 between Graeagle and Quincy 1219 Comment
  CHSC21575  Erigeron glacialis var. glacialis L. M. Mayer; D. E. Brink Jr. 1975-7-22 Plumas Bucks Lake Floristic Survey. Comment
  CAS-BOT-BC295215  Erigeron inornatus L. P. Janeway 1990-8-24 3833 Plumas Plumas National Forest, Beckwourth Ranger District. SE-facing slope above Crystal Cr ca 1 1/2 mi W of Red Clover Cr. 1889 Comment
  SD51228  Erigeron inornatus Darley F. Howe 1960-9-21 2992 Plumas 6.0 miles north of Greenville on Highway 89. 1220 Comment
  CHSC52512  Erigeron inornatus var. inornatus L. P. Janeway 1990-7-6 3781 Plumas Plumas National Forest. Hwy 70 in the canyon of North Fork Feather River at Chambers Creek. 624 Comment
  CHSC99796  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
  RSA768930  Erigeron inornatus var. inornatus L. Ahart, John Dittes 2010-10-21 17307 Plumas About 5 yards west of the spring, on the south side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2.5 air miles northeast of Pilot Peak. 1929 Comment
  SD134031  Erigeron lassenianus John Thomas Howell 1967-7-11 43278 Plumas 2 miles from Quincy Junction on road to Mt. Hough. 1220 Comment
  CHSC101498  Erigeron lassenianus var. deficiens L. P. Janeway; Sarah Starkey, Dorothy Kieffer 2009-8-13 9923 Plumas Northern High Sierra Nevada. 0.8 mi south of Mt. Ararat, along its extended broad ridge line. 1759 Comment
  CHSC82553  Erigeron lassenianus var. deficiens Lowell Ahart 2002-7-18 9855 Plumas Basalt ridge, about 1/8 mile north of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1743 Comment
  JEPS103409  Erigeron lassenianus var. deficiens Lowell Ahart 2002-7-18 9855 Plumas Basalt ridge, ca 1/8 mile N of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, ca 1 1/2 miles (air) NW of Little Grass Valley Reservoir dam, ca 4 1/2 miles (air) NW of La Porte. 1743 Comment
  CAS-BOT-BC295494  Erigeron lassenianus var. lassenianus D. E. Breedlove 1962-6-12 3441 Plumas Along State Highway 36, 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  CHSC58486  Erigeron lassenianus var. lassenianus Vernon H. Oswald 1992-7-3 5061 Plumas Lassen Volcanic Park. Eastern-most of three depressions and ponds on the SW side of Juniper Lake Rd. at the Lassen-Plumas county line. 2072 Comment
  JEPS115221  Erigeron lassenianus var. lassenianus Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16129 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  CHSC48152  Erigeron petrophilus var. sierrensis Vernon Oswald 1986-7-10 2192 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  CHSC61916  Erigeron petrophilus var. sierrensis Lowell Ahart 1993-9-24 7263 Plumas On the north side of the Pacific Crest Trail, about 400 yards north-east of the trail head, about 1/10 mile east of the Quincy La Porte Road, about 1 mile west of Pilot Peak. Near large rocks. 1920 Comment
  UCD105975  Erigeron petrophilus var. sierrensis Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 1524 Comment
  SEINET10537778  Eriogonum Mary Susan Taylor 1982-8-31 Taylor 5083 Plumas T28N R11E se/sw sec 11. Diamond Mt quad. Summit of Red Rock Lookout, ca. 15 mi ne of Taylorsville. Dry rocky open ridge. 7618 ft. 2322 Comment
  CDA17292  Eriogonum caespitosum G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16320 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
  SEINET244749 Image available Eriogonum douglasii James L. Reveal 2002-6-25 8361 Plumas Squaw Valley; Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat W of highway, 11.9. airmiles NNW of Beckwourth. 1710 Comment
  CAS-BOT-BC435532  Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of USFS Rds 28N01 and 28N70 on flat W of Highway, 11.9 air mi NNW of Beckwourth 1706 Comment
  SEINET3859972 Image available Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of Forest Service Roads 28N01 and 28N70 on flat W of highway, 11.9 air mi NNW of Beckwourth.; 0 1707 Comment
  SJSU14255  Eriogonum douglasii var. meridionale N. A. Hopkins 1989-6-7 1528 Plumas Squaw Valley 1706 Comment
  SJSU15164  Eriogonum douglasii var. meridionale N. A. Hopkins 1993-6-16 1725 Plumas by Beckwourth-Janesville Rd c. 0.25 mi N of turn to Dixie Valley 1524 Comment
  CAS-BOT-BC246537  Eriogonum elatum var. elatum Clare B. Hardham 1970-8-9 17716 CC Plumas Road to Thompson Peak Lookout 2133 Comment
  CHSC34737  Eriogonum elatum var. elatum M. S. Taylor 1981-8-4 4154 Plumas On top of Wildcat Ridge, ca. 4 air mi nw of Antelope Lake, ca. 13 air mi ne of Taylorsville. 2164 Comment
  CHSC53046  Eriogonum elatum var. villosum L. P. Janeway 1989-7-6 3457 Plumas Plumas National Forest Beckwourth Ranger District. South-facing volcanic outcrop 'barren' area, above Jackson Cr and Middle Fk Feather River; 2.3 mi from Hwy 70/89 on rd 23N11, then 0.7 mi on rd 23N48. 1645 Comment
  SEINET10479491  Eriogonum elatum var. villosum Mary Susan Taylor 1982-8-12 Taylor 4982 Plumas T23N R12E nw sec 20. Johnsville quad. Along Jackson Creek Rd (23N48) ca. 1 mi nw of Mt Jackson, ca. 5 air mi nw of Mohawk. 5400 ft. 1646 Comment
  SEINET11933189  Eriogonum lobbii M. S. Taylor 1982-1 4930 Plumas Greenville SW quad. Mt Hough summit, ca 7 air mi NNe of Quincy 2204 Comment
  JEPS95392  Eriogonum lobbii var. lobbii Lowell Ahart 1994-7-22 7489 Plumas S of the Pacific Crest Trail, W of the large twin rocks on the NE side of Mount Etna 1981 Comment
  CAS-BOT-BC263306  Eriogonum marifolium var. marifolium Lowell Ahart 1989-7-2 6340 Plumas On the north side and near the summit of Pilot Peak, about 10 miles north-east of La Porte 2255 Comment
  CAS-BOT-BC263308  Eriogonum marifolium var. marifolium L. P. Janeway 1989-6-12 3294 Plumas Beckwourth Ranger District, Plumas National Forest. Forest along south side of Red Clover Valley 1706 Comment
  CHSC76139  Eriogonum marifolium var. marifolium G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3260 Plumas Mount Hough summit. 2194 Comment
  CAS-BOT-BC267402  Eriogonum microthecum Clare B. Hardham 1978-8-11 21792 Plumas About 5 miles southeast of Thompson Peak Comment
  UCD100503  Eriogonum nudum John Thomas Howell 1955-7-20 30853 Plumas Mohawk. 1371 Comment
  CAS-BOT-BC264820  Eriogonum nudum var. deductum John Thomas Howell 1951-6-26 27546 Plumas Feather River Canyon, Sierra Nevada 853 Comment
  CAS-BOT-BC261594  Eriogonum nudum var. nudum Clare B. Hardham 1970-8-8 17701 Plumas Road to Thompson Peak Lookout 2133 Comment
  CHSC93101  Eriogonum nudum var. nudum L. P. Janeway 1994-7-8 4690 Plumas Northern High Sierra Nevada. Hartman Bar Ridge; slope north of Road 22N94 on south side of Franklin Hill. 1706 Comment
  RSA756719  Eriogonum nudum var. nudum Barbara J. Ertter 1988-7-25 7850 Plumas Diamond Mountains: ca. 15 air miles due S of Susanville, sheep camp on Pierce Creek. 1982 Comment
  SEINET10479793  Eriogonum nudum var. nudum Mary Susan Taylor 1981-7-27 Taylor 4125 A Plumas T25N R12E SE 1/4 & c 10. Babcock Peak. In granite gravel embankment, N side of Beckworth Genesse Rd, ca. 7 air mi E of Genesse. 5400 ft. 1646 Comment
  CHSC37702  Eriogonum nudum var. oblongifolium M. S. Taylor 1982-8-30 5075 Plumas Along 27N11, ca. 1 mi ne of Taylor Lake, ca. 7 air mi ne of Taylorsville. 1920 Comment
  RSA31982  Eriogonum nudum var. oblongifolium A. A. Heller 1938-6-14 15156 Plumas Along the feather river Hwy near Gray's flat. 869 Comment
  SEINET10479530  Eriogonum nudum var. oblongifolium Mary Susan Taylor 1982-8-30 Taylor 5075 Plumas T27N R11E se sec 26. Kettle Rock quad. Along 27N11, ca. 1 mi ne of Taylor Lake, ca. 7 air mi ne of Taylorsville. 6300 ft. 1920 Comment
  CAS-BOT-BC271971  Eriogonum nudum var. pubiflorum H. Albert Barker July 11 121 Plumas Feather River - Blairsden Comment
  CHSC91742  Eriogonum nudum var. pubiflorum G. D. Barbe; T. C. Fuller 1982-6-17 3799 Plumas Northern California. Plumas National Forest. Road bank at junction Gold Lake Road with Highway 89 between Graegle and Clio. 6 mi N of Sierra Co. line. [Lat./long. on label is '39 45 N; 120 36 W']. 1371 Comment
  SEINET10479536  Eriogonum ovalifolium var. nevadense Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3873 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  RSA7883  Eriogonum pedunculatum H. A. Barker 1927-7-16 818 Plumas Along Feather River near Mohawk. 1372 Comment
  CAS-BOT-BC269955  Eriogonum spergulinum var. reddingianum F. W. Peirson 1926-6-21 6792 Plumas Lake Almanor, north shore Comment
  UC634528  Eriogonum spergulinum var. reddingianum Herbert L. Mason 1924-6-20 1080 Plumas between Gold Lake and Bear Lake Comment
  CAS-BOT-BC267504  Eriogonum umbellatum John Thomas Howell 1974-9-20 50899 Plumas About 2 miles from Spring Garden on road to Quincy 1158 Comment
  CHSC104743  Eriogonum umbellatum var. furcosum L. P. Janeway; Melanie Williams 2009-8-6 9911 Plumas Northern High Sierra Nevada. Plumas National Forest; 175 m east of the top of Red Hill. 1893 Comment
  CHSC21339  Eriogonum umbellatum var. modocense F. T. Griggs; A. Pass 1975-7-8 132 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC41898  Eriogonum umbellatum var. modocense Lowell Ahart 1986-7-25 5371 Plumas Along Cleghorn Bar Road, about 1 1/2 mi west of Finger Board, about 4 mi northwest of Pilot Peak. 1828 Comment
  CAS-BOT-BC265160  Eriogonum umbellatum var. nevadense Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  CAS-BOT-BC265162  Eriogonum umbellatum var. nevadense Anna Head 1920-7-12 s.n. Plumas Gold Lake outlet near Frazier Falls, Feather River Region Comment
  CHSC34728  Eriogonum umbellatum var. nevadense M. S. Taylor 1981-6-16 3910 Plumas NW side of rd 24N07, ca. 1 mi nw of Smith Peak Lookout, ca. 7 mi ne of Blairsden. 2072 Comment
  CHSC53058  Eriogonum umbellatum var. nevadense L. P. Janeway 1989-6-23 3385 Plumas Plumas National Forest Beckwourth Ranger District Crocker. Upper W-facing slope on ridge between Crocker Meadow and Dotta Cr. 1889 Comment
  JEPS104648  Eriogonum umbellatum var. nevadense Lowell Ahart 2002-7-18 9859 Plumas about 1/8 mi N of int. of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 air mi NW of Little Grass Valley Reservoir dam, about 4 1/2 air mi NW of La Porte; Lat. 39 deg. 44' 32.9, Long. 121 deg. 01' 29.5 1743 Comment
  JEPS56234  Eriogonum umbellatum var. polyanthum W. L. Jepson 1939-7-31 19291 Plumas thinly wooded slope w Meadow Valley; Buck's Valley 1524 Comment
  SBBG64055  Eriogonum umbellatum var. polyanthum A. A. Heller, P. B. Kennedy 1907-7-15 Plumas near mouth of Little Grizzly Crk below Genesee Comment
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Feb 22 2017
  CAS-BOT-BC262254  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
  CAS-BOT-BC262265  Eriogonum ursinum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2204 Plumas Butterfly Botanical Area and vicinity. Mouth of Butterfly Creek 883 Comment
  LA207082  Eriogonum ursinum C. W. Hallis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  SBBG18310  Eriogonum ursinum C. B. Hardham 1961-6-15 7420 Plumas Engel Mine 1828 Comment
  POM266532  Eriogonum ursinum Lester Rowntree 1935-6-12 s.n. Plumas Crescent Mills. Comment
  RSA756699  Eriogonum ursinum Barbara J. Ertter, Gary Schoolcraft 1989-7-3 8639 Plumas ca 1/2 mile below Red Rock lookout, ca 8 airmiles S of Susanville 2134 Comment
  RSA766452  Eriogonum ursinum Joseph A. Ewan 1934-6-26 8295 Plumas Frazier Creek Falls, Gold lake road 1829 Comment
  RSA7875  Eriogonum ursinum H. A. Barker 1927-7-3 769 Plumas Grade between Gold Lake and Blairsden 1677 Comment
  CHSC34726  Eriogonum ursinum var. ursinum M. S. Taylor 1981-6-2 3825 Plumas Serpentine outcrop, n side of Hwy 70, e side of Squirrel Creek, at Spring Garden overpass, 7.5 mi se of Quincy. 1219 Comment
  CHSC53061  Eriogonum ursinum var. ursinum L. P. Janeway 1990-7-25 3810 Plumas Plumas National Forest Beckwourth Ranger District Cascade Compartment. Just above Emigrant Creek and 1 1/4 mi south of Little Grizzly Creek. Steep southeast-facing volcanic rock outcropping. 1950 Comment
  CHSC25326  Eriogonum vimineum M. Hayes; Warner 1977-8-12 29 Plumas 10 mi ne of Belden, along the n fork of the Feather River. Along the roadside. 838 Comment
  NY399606  Eriogonum vimineum W. W. Eggleston 1910-8-27 6229 Plumas Clio 1390 Comment
  SEINET5332069  Eriogonum vimineum W. Harnach, N. Harnach 1990-6-16 387 Plumas Sierra Valley, NW of Vinton, Frank Dotta Ranch. 1524 Comment
  RSA60132  Eriogonum vimineum E. K. Balls 1950-9-5 15675 Plumas on La Porte rd., 3 mi. S of turn off from Hwy 24, east of Quincy, 1220 Comment
  SEINET11933187  Eriogonum vimineum M. S. Taylor 1982-1 4983 Plumas along Jackson Creek Rd (23N48) ca 1 mi NW of Mt.Jackson, ca 5 air mi NW of Mohawk 1646 Comment
  SEINET5332217  Eriogonum vimineum J. L. Reveal 1975-8-24 3975 Plumas Along California Highway 70 in the Feather River Canyon, 0.5 mile northeast of Twain and 2.5 miles northeast of the Hallstead Campground. 876 Comment
  UC473443  Eriogonum vimineum M. S. Jussel 1931-9-6 Plumas Road to Mt. Lassen 5 mi w Westwood 1828 Comment
  UC965635  Eriogonum vimineum Herbert L. Mason 1952-7-17 14379 Plumas 3 mi from Loyalton (on road to Beckwourth); Sierra Nevada, Sierra Valley 1524 Comment
  CHSC92143  Eriophorum gracile L. P. Janeway; B. Castro 2005-9-11 8541 Plumas Northern High Sierra Nevada. North edge of the fen above the middle of the Grassy Lakes, about 0.8 km northeast of Three Lakes. 1896 Comment
  CAS-BOT-BC300954  Eriophyllum lanatum Clare B. Hardham 1978-8-11 21807 Plumas About 7 mi. se. of Antelope Reservoir Comment
  UC614532  Eriophyllum lanatum var. achilleoides L. Constance 1938-6-9 2310 Plumas 7.3 mi se Quincy; Middle Fork of the Feather River 1219 Comment
  CAS-BOT-BC124155  Eriophyllum lanatum var. cuneatum Amos Arthur Heller 1913-6-13 10855 Plumas Near Quincy 1066 Comment
  CHSC37776  Eriophyllum lanatum var. grandiflorum M. S. Taylor 1981-7-29 4145 Plumas In rd embankment, e side of Flourney Grade (25N42), 2.2 mi s of Flourney bridge, ca. 3 air mi e of Genesee. 1554 Comment
  JEPS26678  Eriophyllum lanatum var. grandiflorum P. C. Hutchison 1961-6-9 2110 Plumas 2 mi s (below) Rich Bar (along highway US alt 40 on cliff above road); canyon of the North Fork of the Feather River Comment
  UC507147  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1933-7-5 E 114 Plumas 4 mi nw Quincy (near the Feather River Forestry Exp. Station, (Near type-locality of E. chrysanthum Rydberg!)) Comment
  UC725464  Eriophyllum lanatum var. grandiflorum A. A. Heller 1938-5-30 15133 Plumas on the Feather River Highway near Rich Bar (on roadside banks); Feather River Highway 914 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
  UC1118252  Eriophyllum lanatum var. integrifolium C. W. Hanks 1934-8-8 20 Plumas ne Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  SEINET10475141  Eriophyllum lanatum var. integrifolium Mary Susan Taylor 1981-7-6 Taylor 3965 Plumas T24N R16E sw/nw 8. Frenchman Lake quad. Mixed Coniferous Forest, S side of 24N02Y, ca. 0.5 mi W of N tip of the lake, ca. 13 air mi NW of Chilcoot. 5800 ft elev. 1768 Comment
  UCD97453  Erodium cicutarium Albert Grigarick 2010-5-11 243 Plumas Sierra Valley. 10 mi N of Sattley on Westside Rd. Turn right (east) on Marble Hot Springs Rd. (Dyson Ln in Google Maps) for 0.5 mi. 1483 Comment
  UC1400346  Eryngium alismifolium R. F. Thorne and C. W. Tilforth 1969-9-6 39243 Plumas 1 mi. s.w. Beckwourth (near Feather River) 1356 Comment
  RSA34823  Eryngium alismifolium Roxana S. Ferris, Laura Lorraine 1941-8-9 10424 Plumas At Lake Almanor Public Camp (near village) Comment
  CHSC36934  Eryngium articulatum M. S. Taylor 1982-9-8 5110 Plumas Round Valley Reservoir, ca. 4 air mi s of Greenville. 1371 Comment
  SEINET10840963  Eryngium articulatum Mary Susan Taylor 1982-9-8 Taylor 5110 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  SEINET10972975  Eryngium articulatum Mary Susan Taylor 1982-8-27 Taylor 5058 Plumas T23N R14E nw/se sec 27. Portola quad. Ramelli Ranch, vernal pools on s side of RR tracks, ca. 1 mi sw of Beckwourth. 4880 ft. 1487 Comment
  CAS-BOT-BC151494  Erythranthe filicifolia W. D. Dakan 1974-4-28 s.n. Plumas North Fork Feather River 1/2 mile below the mouth of Rock Creek, between Storrie and Elephant Butte Tunnels 548 Comment
  CHSC24243  Erythranthe primuloides K. R. Stern 1975-7-29 Plumas NW side of Lake Almanor. Comment
  CHSC53221  Erythranthe primuloides L. P. Janeway 1989-6-30 3426 Plumas Narrow meadow along Crocker Cr, ca 0.6 mi N of Crocker Mdw and Crocker Station; near the Beckwourth-Genesee Rd (rd 111) 7.1 mi N of Beckwourth. 1722 Comment
  CHSC97432  Erythranthe primuloides Robert Fischer 2006-7-2 1041 Plumas Buckslake. Between Oroville and Bucks Lake, off the Oro-Quincy Hwy, at large meadow just south of Bucks Lake. 1371 Comment
  CAS-BOT-BC505241  Erythronium grandiflorum Gladys L. Smith 1976-6-7 4613 Plumas South end of summit ridge, secondary road from Quincy to La Porte, drainage of Middle Fork Feather River 1950 Comment
  RSA71128  Erythronium purpurascens Lewis S. Rose 1951-6-28 51051 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  SD6487  Erythronium purpurascens Mrs. R. M. Austin 1880-1 Plumas Big Meadows. Comment
  UC1126406  Eschscholzia californica E. Sawyer 1935-6-10 88 Plumas 2 1/2 mi ssw Sugarloaf; Sierraville Quadrangle Comment
  CAS-BOT-BC310383  Eucephalus breweri Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC34940  Eucephalus breweri M. S. Taylor 1981-6-22 4100 Plumas E side of 26N21 (Grizzly Peak Rd) just S of Argentine Lookout turnoff, ca. 5 air mi N of Spring Garden. 2103 Comment
  CHSC66745  Eucephalus breweri Vernon H. Oswald; Lowell Ahart 1996-8-14 8147 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
  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
  CHSC56843  Eurybia integrifolia L. P. Janeway 1991-8-3 4110 Plumas Plumas National Forest. Small drainage to Freeman Creek 1 3/4 mi west of Smith Peak. 1965 Comment
  CAS-BOT-BC310533  Eurybia integrifolia Anna Head 1921-8-14 s.n. Plumas Gray Eagle Meadows, Feather River Region Comment
  JEPS114521  Eurybia radulina Lowell Ahart 2008-8-14 15211 Plumas 300 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  CAS-BOT-BC310597  Eurybia radulina Milo S. Baker 1926-8-25 311 c-'26 Plumas Lee's Camp Comment
  CHSC113595  Euthamia occidentalis Lowell Ahart 2014-8-26 19779 Plumas On the north side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  SEINET957938  Fabaceae F. W. Gould 1938-1 455 Plumas 5 miles north of Blairsden. 1372 Comment
  CAS-BOT-BC278467  Festuca idahoensis John Thomas Howell; Gordon H. True 1973-7-31 50101 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  CHSC53178  Festuca idahoensis L. P. Janeway 1989-7-11 3477 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley; ca 0.3 mi SW of Beckwourth-Genesee Rd (rd 111) 11.5 mi from Beckwourth. 1691 Comment
  CHSC74042  Festuca idahoensis B. Castro; L. P. Janeway 1998-8-29 830 Plumas Fowler Lake Proposed SIA. Ca 2 air mi N of Little Grass Valley Reservoir, beside trail ca 0.3 mi N of Fowler Lake, S of its jcn with the Pacific Crest Trail. 1676 Comment
  UC641646  Festuca idahoensis G. L. Stebbins Jr. 1939-7-9 2932 Plumas Meadow View ranger station 1889 Comment
  CHSC101781  Festuca occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15862 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC101931  Festuca occidentalis Lowell Ahart; John Dittes 2009-7-14 16063 Plumas On dry soil, on the east side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  RSA699249  Festuca occidentalis L. Ahart, John Dittes, Josephine Guardino 2004-6-6 11004 Plumas 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. 1518 Comment
  UCD66140  Festuca occidentalis John Thomas Howell 1962-6-17 37681 Plumas Butterfly Valley. 1036 Comment
  CHSC118773  Festuca occidentalis Wendy L. Boes 2015-5-13 2015 -010 Plumas Plumas National Forest. On the south side of the ridge just east of Butt Valley Reservoir, just west of Forest Service Road 27N98. (UTM 659284 E, 4441968 N, NAD83 Zone 10N.) 1400 Comment
  CAS-BOT-BC279025  Festuca rubra John Thomas Howell 1967-6-23 42739 Plumas Lewisia Rock 3.5 miles sw. of Belden, Feather River Canyon 609 Comment
  CHSC97077  Festuca subulata Lowell Ahart; Josephine Guardino 2007-7-20 14322 Plumas South of a small drainage, northeast of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  JEPS113663  Festuca subulata Lowell Ahart, Josephine Guardino 2007-7-20 14322 Plumas South of a small drainage, northeast of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  RSA755774  Festuca subulata L. Ahart, John Dittes, Josephine Guardino 2009-7-21 16107 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 air miles southwest of Lake Almanor. 1303 Comment
  CHSC40918  Floerkea proserpinacoides Lowell Ahart 1977-6-20 1437 Plumas Meadow, 1/2 mile north-east of the Feather Fork Mine, about 6 miles north of La Porte. 1645 Comment
  CHSC61612  Fragaria vesca Arthur C. Barrett 1913-6-23 10 Plumas Plumas National Forest. Lone Rock Valley. 1005 Comment
  CAS-BOT-BC55681  Frangula purshiana L. P. Janeway; Garrett Gibson 1992-6-16 4239 Plumas Portola quad. About 1 mi northwest of Beckwourth Peak and 2 mi southeast of Portola Comment
  SEINET7417565 Image available Frangula purshiana A. A. Heller 1915-1 12070 Plumas near summit of Soapstone Ridge in the Sierra Nevada; 12 mi W of Bucks 1676 Comment
  CHSC98707  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-13 9190 Plumas Northern High Sierra Nevada. At Road 23N20 crossing of Little Schneider Creek. 1308 Comment
  CHSC58035  Frangula rubra Vernon H. Oswald; Lowell Ahart 1992-6-2 4972 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1795 Comment
  RSA101396  Frasera albicaulis var. nitida R. Weatherby 1955-7-21 1648 Plumas Rocky Point, top of No Ear Bar trail, Middle Fork Feather River. 1524 Comment
  SEINET8584497  Frasera albicaulis var. nitida A. A. Heller, P. B. Kennedy 1907-7-12 8820 Plumas Grade between Greenville and Prattville. Comment
  CAS-BOT-BC505278  Fritillaria atropurpurea Walter D. Bliss 1918-5-20 s. n. Plumas Near Quincy Comment
  CAS-BOT-BC506204  Fritillaria micrantha G. Earle Kelley 1921-7-1 s.n. Plumas Greenville Comment
  POM174026  Fritillaria recurva J. G. Lemmon s.n. Plumas Sierra Valley to Indian Valley Comment
  JEPS115802  Galium aparine Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15854 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam Comment
  UCD121721  Galium aparine Malcolm A. Nobs; S. Galen Smith 1949-8-19 1425 Plumas Bog at Taylorsville, south end of Indian Valley. Comment
  CHSC60919  Galium bifolium Vernon Oswald 1993-7-1 5627 Plumas Lassen Volcanic National Park. West slope of Bonte Pk., ca. 0.4 mi SW of the summit. 2133 Comment
  JEPS87750  Galium bifolium Lowell Ahart 1994-6-15 7323 Plumas about 1 mi (air) w Little Grass Valley Reservoir (w side of logging road near intersection of Lumpkin Ridge Rd and road to Tamarack Flat) 1767 Comment
  UC1075693  Galium bifolium Robert J. Weatherby 1955-6-26 1546 Plumas Mud Lake Lakes Basin Area (on volcanic cliff) 2194 Comment
  JEPS115549  Galium bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16219 Plumas On dry rocky soil, north side of Forest Service Road 26N22, 4,650 feet northwest of Rattlesnake Hill, 3.0 miles (air) south-southeast of Lake Almanor Dam 1591 Comment
  SEINET10902546  Galium bolanderi Mary Susan Taylor 1981-8-19 Taylor 4221 Plumas California: T23N R11E ne 1/4 of se 1/4 sec 17. Blue Nose Mt quad. S side of road 2310, 0.1 mi E of Bell Creek, ca. 1.5 mi W of Sloat. Plumas County. 4500 ft. 1372 Comment
  SEINET10902548  Galium grayanum Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4331 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CHSC34891  Galium trifidum var. pacificum M. S. Taylor 1981-9-14 4274 Plumas Around the ponds, headwaters of Rush Creek, near its jct with Cow Creek, ca. 5 air mi ese of Greenville. 1584 Comment
  JEPS102763  Galium trifidum var. pusillum Lowell Ahart 2001-8-28 9205 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
  SD71034  Galium triflorum Walter Knight, Irja Knight, John Thomas Howell 1966-7-27 1556 Plumas slope near mouth of Butterfly Creek 1036 Comment
  CAS-BOT-BC169853  Garrya fremontii Mrs. Jos. Clemens 1919-10-20 s.n. Plumas Greenville Comment
  CAS-BOT-BC169861  Garrya fremontii John Thomas Howell 1961-9-23 36891 Plumas Englemine 1097 Comment
  UC54498  Garrya fremontii H. M. Hall and E. B. Babcock Jul 1903 4439 Plumas Indian Creek; Sierra Nevada Mountains 1097 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
  CHSC56862  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1991-8-3 4117 Plumas Plumas National Forest. Northeasterly drainage into Freeman Creek, below 'Five Points' and 2 mi west of Smith Peak. Meadow edge. 1981 Comment
  UC384659  Gayophytum diffusum subsp. parviflorum E. D. Merrill 1929-7-13 Plumas Silver Lake Comment
  RSA666399  Gayophytum diffusum subsp. parviflorum Barbara Ertter 1988-7-25 7848 Plumas Diamond Mts, 12 air miles SSW of Susanville, Snoring Springs, 1/2 mile N of Diamond Mt Greenville Red Rock jct 1982 Comment
  SD130492  Gayophytum diffusum subsp. parviflorum John Thomas Howell 1974-9-20 50893 Plumas 7.0 miles from Quincy on road to Blairsden. 1096 Comment
  CHSC10821  Gayophytum heterozygum Lowell Ahart 1968-6-29 Plumas Near La Porte. 914 Comment
  CHSC92174  Gayophytum heterozygum Lowell Ahart; John Dittes 2005-9-20 12448 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2049 Comment
  CHSC101847  Gayophytum humile Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15877 Plumas About 1600 feet southwest of Lake Almanor Dam. 1386 Comment
  UC1075678  Gayophytum humile Robert J. Weatherby 1955-7-2 1589 Plumas Wilcox Valley 1767 Comment
  JEPS102352  Gayophytum racemosum Lowell Ahart 2001-9-18 9291 Plumas Lake Davis, strand, near Cow Creek 1761 Comment
  UC405454  Gentianopsis holopetala Mrs. R. M. Austin 1875-1 Plumas Comment
  CAS-BOT-BC459557  Geum macrophyllum John Thomas Howell 1967-6-23 42683 Plumas Canyon of Butterfly Creek; Sierra Nevada 1036 Comment
  CHSC26143  Geum triflorum Detzer; Sacks 1977-6-25 43 Plumas Slope on sw edge of Squaw Valley. 1853 Comment
  CAS-BOT-BC293727  Gilia Mona Bourell; Bob Patterson 1982-5-15 1735 Plumas Beckworth Comment
  JEPS107709  Gilia capillaris Lowell Ahart, John Dittes 2005-9-19 12402 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1989 Comment
  SD7658  Gilia capitata Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  RSA189451  Gilia capitata L. S. Rose 1967-6-13 67123 Plumas Rich Bar 823 Comment
  RSA319141  Gilia capitata Patricia Wilder 1971-6-21 5132 Plumas Prattville-Butt Reservoir Road 1.7 miles south of Junction with Seneca Road; north of Caribou and Belden and California State Highway 70 1410 Comment
  SEINET10496753  Gilia leptalea Mary Susan Taylor 1982-7-8 Taylor 4797 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
  SEINET12326104  Gilia leptalea W. Knight, Knight, I. 1983-1 4895 Plumas between Chester and Drakesbad, Warner Creek Campground 1539 Comment
  CAS-BOT-BC283873  Glyceria borealis Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1396 Plumas Butterfly Botanical Area and Vicinity. On E side of marsh 1097 Comment
  JEPS102769  Glyceria borealis Lowell Ahart 2001-8-28 9189 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
  CHSC103137  Gnaphalium canescens subsp. thermale Lowell Ahart; John Dittes 2009-9-7 16377 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC307384  Gnaphalium palustre Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1406 Plumas Pond reservoir to the southwest, Butterfly Botanical Area and Vicinity 1097 Comment
  CHSC62094  Gnaphalium palustre L. P. Janeway 1993-8-14 4528 Plumas Plumas National Forest. Along Road 24N29Y, ca 0.2 mi north of Haskins Creek and ca 1.6 mi southeast of Bucks Lake. Edge of dirt road adjacent to a seep. 1691 Comment
  RSA59918  Gnaphalium palustre E. K. Balls 1950-9-15 15831 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  SEINET3145226  Gnaphalium palustre E. K. Balls 1950-9-2 15633 Plumas Nye Meadows, Mt. Ingalls, N of Grizzly valley 2256 Comment
  RSA122378  Gnaphalium palustre E. Sawyer 1935-6-27 160 Plumas Sierraville 1524 Comment
  RSA537506  Gratiola neglecta Barbara Ertter 1988-10-21 7999 Plumas Lake Almanor, E end of causeway ca 1.5 mi E of Chester on Hwy 36. 1341 Comment
  UC1191883  Gratiola neglecta Malcolm A. Nobs and S. Galen Smith 1949-8-18 1351 Plumas s end Lake Almanor; s end of Lake Almanor Comment
  CAS-BOT-BC304930  Grindelia hirsutula Robert J. Weatherby 1950-7-28 1494 Plumas On highway 89, along Indian Creek, south of Crescent Mills 1005 Comment
  CHSC97787  Grindelia squarrosa var. serrulata L. P. Janeway; B. Castro 2007-8-18 9199 Plumas Northern High Sierra Nevada. Along Hwy 70 and East Branch North Fork Feather River at mouth of Soda Creek. 893 Comment
  JEPS113895  Grindelia squarrosa var. serrulata L. P. Janeway and B. Castro 2007-8-18 9205 Plumas Northern High Sierra Nevada; Along Hwy 70 0.4 km E of La Porte Road, along the N edge of Thompson Valley about 1.6 km E of East Quincy. 1059 Comment
  CHSC75467  Hackelia californica G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13236 Plumas Sierra Nevada. Plumas National Forest. Above headwaters of Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 2100 Comment
  UC614667  Hackelia californica L. Constance 1938-6-10 2312 Plumas w edge of Lake Almanor at Prattville; Lake Almanor 1219 Comment
  JEPS55561  Hackelia nervosa Esther C. Fritz 1933-7-4 Plumas on summit & slopes Spanish Peak 2133 Comment
  SEINET10871996  Haplopappus lanceolatus Mary Susan Taylor 1982-8-27 Taylor 5044 Plumas T23N R16E se/nw sec 34. Chilcoot SW quad. SW corner of jct of Hwy 70 and rd to Loyalton, in Vinton. Roadside weedy area; 4900 ft. 1493 Comment
  CAS-BOT-BC508333  Hastingsia alba John Thomas Howell 1951-6-26 27533 Plumas Feather River Canyon, Sierra Nevada 853 Comment
  CHSC32891  Hazardia whitneyi L. Ahart 1980-9-17 2658 Plumas Ca. 1/4 mi n of the lake, the lake is ca. 0.5 mi w of Fowler Peak, ca. 8 mi n of La Porte. 1600 Comment
  RSA768851  Hazardia whitneyi var. whitneyi L. Ahart 2008-9-10 15389 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy La Porte Road, about 9.5 air miles northeast of La Porte. 1900 Comment
  UC86662  Hazardia whitneyi var. whitneyi Mrs. R. M. Austin 1880-1 Plumas Big Meadows Mt. Dyer, Big Meadows Comment
  CAS-BOT-BC306697  Helenium bigelovii Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1536 Plumas Butterfly Botanical Area and vicinity. Area north of Pond Reservoir 1097 Comment
  CAS-BOT-BC314794  Helianthella californica var. nevadensis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC89304  Helianthella californica var. nevadensis G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16334 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
  CAS-BOT-BC314800  Helianthella californica var. nevadensis John Thomas Howell 1975-6-16 51142 Plumas 2 miles northwest of Spring Garde, Sierra Nevada 1173 Comment
  CAS-BOT-BC314802  Helianthella californica var. nevadensis John Thomas Howell; Walter Knight; Irja Knight 1966-7-28 1651 Plumas Adjacent to Sweetwater Meadow, Butterfly Botanical Area and Vicinity 1127 Comment
  RSA123088  Helianthella californica var. nevadensis E. Sawyer 1935-5-27 41 Plumas 1.75 miles N of Kerby. 1555 Comment
  CAS-BOT-BC305545  Helianthus bolanderi John Thomas Howell 1959-9-21 34828 Plumas Greenville 1088 Comment
  CAS-BOT-BC315025  Hemizonella minima Lewis S. Rose 1963-6-3 63096 Plumas Butterfly Valley 2 mi. sw of Keddie 1188 Comment
  CHSC21023  Hemizonella minima F. T. Griggs; A. Pass 1975-7-10 140 Plumas Buck's Lake. Comment
  CDA3756  Hesperis matronalis J. T. Howell, G. H. True 1967-7-11 43380 Plumas Quincy. Comment
  JEPS114525  Heterocodon rariflorum Lowell Ahart 2008-8-14 15209 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 Reservoi 1600 Comment
  RSA59914  Heterocodon rariflorum E. K. Balls 1950-9-15 15829 Plumas North Fork Feather River, 6 miles NW of Chester. 1402 Comment
  CAS-BOT-BC311032  Heterotheca oregona var. compacta Lowell Ahart 1981-9-6 3067 Plumas About 6 miles N of Taylorsville 1300 Comment
  JEPS95125  Heterotheca oregona var. rudis Vernon Oswald and Lowell Ahart 1997-9-18 8871 Plumas 10.7 mi n of Butte-Plumas County line (Highway 70 between Tobin and Belden, on bank of the North Fork Feather River); North Fork Feather River, Highway 70 627 Comment
  CAS-BOT-BC425224  Heuchera rubescens Anna Head 1920-8-10 s.n. Plumas Lake Center Camp 1920 Comment
  SEINET11262485  Hieracium albiflorum Robert L. Johnson, Mikel R. Stevens 2015-7-11 3958 Plumas Spanish Creek/Indian Creek drainage. Ca 1.6 rd mi N on Hugh Spur/Shoofly/Old Quarry Rd (fronting rr-track) after jct with Hwy 70/89. Ca 0.6 air mi ssw of Indian Falls.; 0 1023 Comment
  SEINET10474727  Hieracium cynoglossoides Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4016 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
  CHSC69512  Hirschfeldia incana Lowell Ahart 1997-9-11 7904 Plumas On the east 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
  SD46568  Holodiscus discolor var. glabrescens Robert J. Weatherby 1950-8-11 1516 Plumas Peak of Mt. Elwell, Lakes Basin Area, Northern Sierra Nevadas 2377 Comment
  CAS-BOT-BC152717  Holodiscus microphyllus var. microphyllus Mrs. Jos Clemens 1919-10-29 s.n. Plumas Crystal Lake Comment
  CHSC62129  Holodiscus microphyllus var. microphyllus L. P. Janeway 1993-7-15 4444 Plumas Plumas National Forest. Flat on top of the saddle between Bean Creek (tributary of upper Spanish Creek) and Berry Creek (tributary of East Branch North Fork Feather River). 1569 Comment
  UC1100322  Hordeum brachyantherum subsp. brachyantherum Malcolm A. Nobs, S. Galen Smith 1949-8-18 1383 Plumas just S of Chester (Last Chance Marshes at N end of Lake Almanor) Comment
  SEINET4604538  Hordeum geniculatum W. Harnach, N. Harnach 1989-5-27 120 Plumas Sierra Valley, Hot wells on north side of Marble Lane, 0.5 miles E of Co. Rd. A-23 1490 Comment
  CAS-BOT-BC284729  Hordeum jubatum John Thomas Howell 1961-9-25 36935 Plumas Feather River bed, Portola 1478 Comment
  CHSC81188  Hordeum jubatum Lowell Ahart 2001-8-29 9253 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SEINET10591620  Hordeum jubatum Mary Susan Taylor 1982-8-10 Taylor 4959 Plumas T27N R8E S28 NW1/4 NW1/4. Almanor NE Quad. N side of Hwy 89, S end of Lake Almanor, ca. 1 mi W of Canyon Dam. With Madia gracilis, Lupinus confertus, Hypericum perforatum. 1372 Comment
  CAS-BOT-BC289438  Hordeum murinum subsp. leporinum John Thomas Howell 1961-6-21 36620 Plumas Greenville, Sierra Nevada 1097 Comment
  RSA59238  Horkelia fusca subsp. parviflora E. K. Balls 1950-8-31 15526 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy 1098 Comment
  SEINET10937242  Horkelia fusca subsp. pseudocapitata Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3887 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
  RSA34829  Horkelia fusca subsp. tenella Roxana S. Ferris, Laura Lorraine 1941-8-9 10423 Plumas At Lake Almanor Public Camp (near village) Comment
  SEINET6759269  Horkelia fusca subsp. tenella A. A. Heller, P. B. Kennedy 1907-7-9 8779 Plumas Prattville Comment
  UC114274  Horkelia fusca subsp. tenella Mrs. R. M. Austin Aug 1896 388 Plumas Warner Valley Comment
  POM34915  Horkelia tridentata subsp. flavescens Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CAS-BOT-BC538234  Horkelia tridentata var. flavescens A. A. Heller; P. B. Kennedy 1907-7-11 8799 Plumas Prattville Comment
  CAS-BOT-BC536285  Horkelia tridentata var. tridentata Lewis S. Rose 1967-6-19 67110 Plumas Butterfly Valley, ca. 3 miles west of Keddie 1036 Comment
  UCD106127  Hosackia oblongifolia A. A. Heller; P. B. Kennedy 1907-7-15 8854 Plumas Near mouth of Little Grizzly creek below Genessee. Comment
  CHSC21550  Hosackia oblongifolia var. oblongifolia L. M. Mayer; D. E. Brink Jr. 1975-7-2 428 Plumas Bucks Lake Floristic Survey. Comment
  CHSC34872  Hosackia oblongifolia var. oblongifolia M. S. Taylor 1981-7-29 4148 Plumas Along creek crossing 25N42-Flournoy Grade, 0.2 mi n of North brnach of Ward Creek, ca. 5 air mi se of Genesee. 1828 Comment
  SEINET5327466  Hosackia oblongifolia var. oblongifolia A. A. Heller, P. B. Kennedy 1907-7-15 8854 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  SD52134  Hosackia pinnata Frank Stephens 1894-6-26 2199 Plumas Quincy 975 Comment
  CHSC70017  Hydrophyllum occidentale L. P. Janeway 1997-5-7 5110 Plumas East side of Red Clover Creek at 'Drum Bridge' 2.7 mi southeast of Indian Creek. 1225 Comment
  CHSC72312  Hydrophyllum occidentale L. P. Janeway; Glenn Clifton 1998-7-8 5726 Plumas About 1.5 mi southwest of Diamond Mtn; at junction of Diamond Mtn Motorway (Road 28N15) and unnamed road to small pond on a saddle on the crest. 2115 Comment
  RSA74345  Hydrophyllum occidentale Milo S. Baker 1952-5-24 12442 Plumas In canyon above Pine Valley, Hwy 89 945 Comment
  CAS-BOT-BC312844  Hymenoxys lemmonii Frank W. Peirson 1932-7-20 10356 Plumas Sierra Valley, probably Plumas County. North of Loyalton Comment
  RSA92196  Hymenoxys lemmonii F. W. Peirson 1932-7-20 10356 Plumas North of Layalton, probably in Plumas Co. (in Sierra Valley) Comment
  CAS-BOT-BC400947  Hypericum anagalloides Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1641 Plumas Butterfly Botanical Area and Vicinity. Area north of Pond Reservoir 1097 Comment
  SD7539  Hypericum anagalloides D. C. 1882-7-26 Plumas Hamilton Bridge, Big Meadows Comment
  SEINET11990948  Hypericum anagalloides W. Knight, Knight, I. 1983-1 4909 Plumas 4 mi from Chester on road to Drakesbad Comment
  CHSC102110  Hypericum perforatum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16241 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC99815  Hypericum perforatum Lowell Ahart 2008-8-13 15171 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
  UCR123374  Hypericum perforatum George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6881 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  SEINET10472139  Hypericum scouleri Mary Susan Taylor 1982-8-4 Taylor 4919 Plumas T25N R10E nw/se sec 23. Greenville SE quad. ALong spring on n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 6200 ft. 1890 Comment
  CAS-BOT-BC88629  Idahoa scapigera Helen MacGavin 1974-1-1 s.n. Plumas Sierra Nevada. Portola. Comment
  JEPS805  Ipomopsis aggregata W. I. Follett 1937-7-27 98 Plumas Keddie Comment
  UC174733  Ipomopsis aggregata P. B. Kennedy and A. A. Heller 1907-7-13 8831 Plumas between Taylorville and Little Grizzly Peak Comment
  CDA15897  Ipomopsis aggregata subsp. aggregata B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; Headwaters of Bull Run Creek off USFS 23N12E. Comment
  UC879925  Ipomopsis congesta Anna Head 1921-7-20 Plumas above Round Lake (top of ridge); Feather River Region Comment
  JEPS87937  Ipomopsis congesta subsp. montana Barbara Ertter with Gary Schoolcraft 1989-7-3 8663 Plumas ca. 7 air mi s Susanville (sw peak); Diamond Mt. 2316 Comment
  RSA0091949  Iris Bonnie C. Templeton 1968-1 11285 Plumas [No location data on label. Possibly Trinity County.] Comment
  CAS-BOT-BC135727  Iris hartwegii Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-6-12 1933 Plumas Butterfly Botanical Area and Vicinity - Halfway between valley and Darlingtonia bog. 1066 Comment
  CAS-BOT-BC135736  Iris hartwegii E. K. Balls 1950-8-30 15505 Plumas Trail to Buck's Creek from Tobin's Resort, North Fork, Feather River 609 Comment
  RSA136507  Iris hartwegii subsp. pinetorum Lee W. Lenz, E. K. Balls 1956-6-19 21842 Plumas Forest Lodge, southwest of Greenville 1128 Comment
  JEPS93198  Iris tenuissima subsp. purdyiformis Carol A. Wilson 1993-4-30 93 -4 Plumas 0.5 mi w of Tobin (on Hwy 70 along the Feather River); Feather River Comment
  RSA712967  Iris tenuissima subsp. purdyiformis L. P. Janeway 1994-5-24 4652 Plumas Owl Creek, 1.5 mi west of Seneca. 1372 Comment
  CAS-BOT-BC57769  Isoetes John Thomas Howell; H. Keith Wagnon 1980-5-27 53611 Plumas 1 mi. w. of Almanor. 1386 Comment
  UC1192365  Isoetes howellii Malcolm A. Nobs and S. Galen Smith 1949-8-18 1386 Plumas just s. Chester (Last Chance Marshes at n. end of Lake Almanor); Lake Almanor, Last Chance Marshes Comment
  JEPS89839  Isoetes occidentalis Dean W. Taylor 1974-10-1 5051 Plumas ca. 3 mi. s. Plumas-Eureka State Park (Jamison Creek drainage, Wade Lake); N. Sierra Nevada, Wade Lake, Jamison Creek drainage 2000 Comment
  CAS-BOT-BC137403  Ivesia aperta David D. Keck; A. Gustafsson 1938-8-9 4901 Plumas Beckwith (Beckwourth), Sierra Valley, 0.5 mi. E. of town 1500 Comment
  SEINET10483370  Ivesia aperta Mary Susan Taylor 1982-6-28 Taylor 4775 Plumas T23N R14 E nw/se sec 27. Portola quad. In Sagebrush Scrub along s side of Feather River, ca. 1 mi sw of Beckwourth on Ramelli Ranch, ca. 1/4 mi w of Calpine Rd (109). 4880 ft. 1487 Comment
  CDA19272  Ivesia aperta var. aperta G. D. Barbe, T. C. Fuller 1982-6-17 3837 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  UC595084  Ivesia aperta var. aperta David D. Keck and A. Gustafsson 1938-8-9 4901 Plumas 0.5 mi e Beckwith (Beckwourth); Sierra Valley 1501 Comment
  CHSC59925  Ivesia baileyi L. P. Janeway; Garrett Gibson 1992-7-22 4272 Plumas Plumas National Forest. 0.25 mi east of the top of Horton Ridge, across the ridge from the southeast fork of Horton Canyon. 1996 Comment
  CAS-BOT-BC139768  Ivesia gordonii Mrs. E. C. Sutliffe 1918-7-1 s.n. Plumas Hawley Lake 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
Read comments
Apr 8 2006
  CAS-BOT-BC109968  Juncus W. Harnach; N. Harnach 1991-6-21 565 Plumas Sierra Valley. Next to R/R bridge esat of County Road A-23. 1487 Comment
  CHSC39365  Juncus balticus L. Ahart; P. Ahart 1983-8-17 4317 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  CHSC100345  Juncus balticus subsp. ater Lowell Ahart 2008-8-13 15156 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  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
  CHSC99807  Juncus bufonius var. bufonius Lowell Ahart 2008-7-9 15050 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
  RSA718513  Juncus bufonius var. bufonius L. Ahart 2006-10-23 13489 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), About 30 yards south of where the road ends, About 20 yards north of the dam across Slate Creek., About 1/8 mile northeast of Scales Road, About 5 1/2 miles (air) northeast of Strawberry Valley. 1282 Comment
  RSA52925  Juncus bufonius var. bufonius R. Weatherby 1950-7-28 1489 Plumas North edge of Taylorsville. 1098 Comment
  CHSC102040  Juncus ensifolius Lowell Ahart; John Dittes 2009-7-27 16176 Plumas On dry to damp soil, about 5 yards northwest of the small dry pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 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
  CHSC95020  Juncus ensifolius Lowell Ahart 2006-10-23 13490 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
  CHSC101935  Juncus exiguus Lowell Ahart; John Dittes 2009-7-15 16081 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  SJSU14270  Juncus hemiendytus var. hemiendytus N. A. Hopkins 1989-6-7 1511 Plumas Crocker Meadow on W side Beckwourth-Genesee Rd c. 4 mi N of Beckwourth 1524 Comment
  CDA32027  Juncus howellii L. Ahart, J. Dittes, J. Guardino 2009-8-28 16355 Plumas On the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam Comment
  CHSC100461  Juncus howellii Lowell Ahart 2008-9-10 15390 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. Near center of section 27. 1598 Comment
  CHSC113669  Juncus howellii L. P. Janeway 2014-8-12 11567 Plumas Northern High Sierra Nevada. Plumas National Forest; Kenzie Ravine at crossing of Road 22N60 (Silvertip Road); 1.2 air-km northeast of Little Grass Valley Reservoir. 1571 Comment
  JEPS123946  Juncus howellii Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20427 Plumas Forest Service Road 29N18, near Blue Lake Trailhead and South Arm Rice Creek, 3.11 air miles northeast of Morgan Mt., 3.54 air miles west-southwest of Sifford Mt., 6.59 air miles south-southeast of Lassen Peak. Comment
  JEPS114821  Juncus laccatus Lowell Ahart 2008-8-14 15217 Plumas Scattered along drainages in the meadow, south of the road to Tamarack Flat, about 3/4 mile west of Lumpkin ridge road, about 5 miles (air) northwest of La Porte 1725 Comment
  CHSC100378  Juncus macrandrus Lowell Ahart 2008-8-14 15213 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 41/2 miles (air) north of La Porte. 1597 Comment
  CHSC24253  Juncus macrandrus K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  RSA59683  Juncus macrandrus E. K. Balls 1950-9-9 15757 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 Comment
  CDA13403  Juncus nevadensis G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13252 Plumas Sierra Nevada; Low valley below headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC100437  Juncus nevadensis var. nevadensis Lowell Ahart 2008-9-10 15366 Plumas On small gravel bar on the east side of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CHSC97804  Juncus nevadensis var. nevadensis L. P. Janeway 2007-8-13 9182 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain; near Road 23N69; head of Frazier Creek. Southwest-facing slope of generally open weathered serpentine. At and around a small spring. 1774 Comment
  CHSC52563  Juncus occidentalis L. P. Janeway 1989-6-28 3410 Plumas Plumas National Forest. SW-facing slopes above Mapes Cyn; ca 0.2 mi NE of Beckwourth-Genesee Rd (rd 111) 4.0 mi N of Beckwourth. 1722 Comment
  CHSC52748  Juncus occidentalis L. P. Janeway 1990-8-29 3843 Plumas Plumas National Forest. Ca 0.1 mi W of Paradise Cr ca 3/4 mi S of Little Grizzly Cr. 1905 Comment
  JEPS107935  Juncus occidentalis Lowell Ahart, John Dittes 2005-9-19 12399 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1989 Comment
  CHSC33921  Juncus orthophyllus J. D. Jokerst; R. A. Schlising 1981-8-2 1454 Plumas Ca. 1/4 mi N of Butte Co. line, 1.0 mi E of Humboldt Peak, along drainage which becomes Scotts John Cr. 1981 Comment
  SEINET13709843  Juncus orthophyllus Lowell William Ahart, Lowell William Ahart 2001-1 8899 Plumas Small Branch of Butt Creek, 2.5 Mi. N of Humboldt Summit (T27N, R5E, sec 20, NW 1/4) 6000 Ft. 1829 Comment
  CHSC99222  Juncus parryi John Dittes; Josephine Guardino 2005-9-22 1294 Plumas Northern High Sierra Nevada Range; ca. 1.1 air-miles N of Taylor Lake, 0.7 air-mile E of Rattlesnake Peak, 0.3 air-mile W of Eisenheimer Peak, just east of FS Route 27N57; north-facing talus just below ridgeline. 2180 Comment
  JEPS118396  Juncus parryi Lowell Ahart 2011-9-20 17690 Plumas Moist open area around a primitive campsite, on the south side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  RSA26617  Juncus parryi J. T. Howell 1951-6-27 27629 Plumas Jamison Creek 1829 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
  CHSC102672  Juncus tenuis Lowell Ahart; John Dittes 2009-9-7 16390 -B Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC113895  Juncus tenuis Lowell Ahart 2014-8-26 19789 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  JEPS116055  Juncus tenuis Lowell Ahart, John Dittes 2009-7-28 16200 Plumas On damp bare soil, center of a logging road, near seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  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
  CAS-BOT-BC246163  Keckiella lemmonii M. S. Taylor 1982-8-10 4953 Plumas Along spur road off Seneca Road (306), ca. 2 air miles SW of Canyon Dam 1554 Comment
  CHSC66770  Keckiella lemmonii Vernon H. Oswald; Lowell Ahart 1996-8-14 8164 Plumas Silver Lake Rd. 0.5 mi SE of Silver Lake Campground, NE of Bucks Lake. Norther High Sierra Nevada. 1706 Comment
  NY790348  Keckiella lemmonii J. T. Howell 1966-7-26 42001 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River 609.6 Comment
  SEINET11262216  Keckiella lemmonii Robert L. Johnson, Mikel R. Stevens 2015-7-11 3956 Plumas Spanish Creek drainage. 0.2 rd mi N on Hugh Spur (fronting rr-track) after jct with Hwy 89. Ca 1.2 air mi S of Indian Falls.; 0 Comment
  UC1594534  Keckiella lemmonii Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson and Tyleasi Martin 1992-8-20 5173 Plumas ca 2.25 air mi ese Pilot Peak (ca 9 air mi ne of La Porte, Forest Rd 23N10 between junction of 22N19 and Hopkins Creek) 1706 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
  CHSC64133  Kelloggia galioides B. Castro; R. A. Schlising 1987-7-21 174 Plumas Ca 6 mi W of Clio via Hwy 70/89, just E of jcn USFS Rds 22N98 and 22N42. 1539 Comment
  CHSC84371  Kelloggia galioides Lowell Ahart 2003-9-7 10560 Plumas On the east side of the dirt road, about 50 yards southeast of the Pacific Crest Trail, on Bunker Hill Ridge, about 1 mile (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte. 2038 Comment
  SBBG119898  Kelloggia galioides L. Ahart 2003-9-7 10560 Plumas ca. 50 yards SE of the Pacific Crest Trail on Bunker Hill Ridge, ca. 1 mi (air) SE of Pilot Peak, ca. 9 mi (air) NE of La Porte Comment
  UCR3551  Kelloggia galioides Wm. Horn Jr. 1963-6-24 630624- 01 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, logged area 0.5 mi south of UC Forestry Camp 1341 Comment
  UCD85816  Koeleria macrantha John Thomas Howell 1962-6-18 37779 Plumas Sierra Valley near Beckwourth. 1487 Comment
  CAS-BOT-BC340355  Kyhosia bolanderi Mary Strong Clemens 1920-8-16 s.n. Plumas Greenville 1097 Comment
  UC81787  Lathyrus brownii Mrs. R. M. Austin Jul 1878 39 Plumas Big Meadows Comment
  CAS-BOT-BC205057  Lathyrus sulphureus A. A. Heller 1907-7-12 8826 Plumas Between Taylorville and Crescent Mills Comment
  CAS-BOT-BC205066  Lathyrus sulphureus Gladys L. Smith 1976-6-7 4558 Plumas Rte. 70, Spring Garden Sta. 6 miles east of Quincy 1219 Comment
  CAS-BOT-BC205068  Lathyrus sulphureus Lewis S. Rose 1967-6-12 67116 Plumas Butterfly Valley, ca. 3 mi. w. of Keddie 1219 Comment
  SEINET11062172 Image available Lathyrus sulphureus A. A. Heller, P. B. Kennedy 1907-7-12 8826 Plumas Between Taylorville and crescent Mills Comment
  UC570086  Ledum glandulosum F. W. Embree 1934-6-6 63 Plumas Three Lakes 1889 Comment
  SBBG119742  Lemna trisulca L. Ahart with J. Dittes, J. Guardino, R. Schlising, S. Chamberlain 2004-6-14 11067 Plumas S side of Forest Rd 24N10, ca. 0.25 mi W of Cow Crk, W of Lake Davis, ca. 9.25 mi NE of Sloat 1796 Comment
  CDA19926  Lepidium campestre J. Naughton 2002-7-7 101 Plumas Sierra Nevada; Plumas County Fairgrounds, near Lee Rd. 0 Comment
  CHSC20810  Lepidium campestre K. R. Stern 1975-7-24 5847 Plumas E shore of Lake Almanor. 1371 Comment
  CHSC97550  Lepidium campestre Lowell Ahart; John Dittes 2007-6-17 14161 Plumas High west bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CAS-BOT-BC88845  Lepidium campestre John Thomas Howell 1951-6-26 27553 Plumas Sierra Nevada. Crescent Mills. 1066 Comment
  SEINET11279722  Lepidium perfoliatum W. Harnach, N. Harnach 1990-4-18 259 Plumas Sierra Valley, Marble Lane, Marble Hot Well. 1487 Comment
  CAS-BOT-BC60093  Lepidium virginicum var. menziesii John Thomas Howell 1966-7-29 42024 Plumas Sierra Nevada. Quincy. 1036 Comment
  JEPS107781  Lepidium virginicum var. pubescens Lowell Ahart, Richard Rabeler, Lawrence Janeway, Linnea Hanson 2005-4-20 11752 Plumas On the south side of Highway 70, about 200 yards southwest of Grizzly Creek, about 1 1/2 miles northeast of the Arch Rock Shady Rest Area 484 Comment
  UC572593  Leptodactylon pungens G. T. Nordstrom 1934-7-9 193 Plumas one and one half mi n Grizzly Hill; Plumas National Forest, Bidwell Bar Quad., n Grizzly Hill 1584 Comment
  SD7467  Leptosiphon bolanderi Mrs. R. M. Austin 1879-1 Plumas American Valley Comment
  CHSC2289  Leucocrinum montanum A. Stone 1937-5-16 Plumas East of Portola. 1463 Comment
  SEINET8480452  Leucocrinum montanum T. Ramelli 1948-5-16 38 Plumas 1 mile W of Vinton. 1524 Comment
  UC725522  Leucocrinum montanum A. A. Heller 1942-5-8 16468 Plumas w of Vinton 1524 Comment
  CAS-BOT-BC59609  Leucothoe davisiae Herbert L. Mason 1924-6-19 1073 Plumas Along margins of Bear Lake at base of Mt. Elwell. Comment
  CAS-BOT-BC59611  Leucothoe davisiae Rimo Bacigalupi 1927-7-10 1738 Plumas Shores of Helgamite Pond on trail to Mt. Elwell. 2072 Comment
  CHSC101914  Leucothoe davisiae Lowell Ahart; John Dittes 2009-7-14 16073 Plumas North of Forest Service Road 26N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  CHSC13621  Leucothoe davisiae M. S. Taylor 1974-7-3 293 Plumas Scattered along spring, ca. 100 ft w of road, ca. 1/2 mi s of Fern Glen, in Butterfly Valley Botanical Area, ca. 5 mi nw of Quincy. 1173 Comment
  CHSC21665  Leucothoe davisiae D. Brink; L. Mayer 1975-7-11 Plumas Bucks Lake. Comment
  JEPS115091  Leucothoe davisiae Lowell Ahart, John Dittes 2009-7-14 16073 Plumas North of Forest Service Road 26N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam 1677 Comment
  JEPS20054  Leucothoe davisiae O. M. Evans 1854-11-16 Plumas 4 mi s Buck's Ranch (on Willow Creek drainage); Willow Creek drainage 1828 Comment
  CHSC63158  Lewisia kelloggii subsp. hutchisonii Lowell Ahart 1994-7-7 7467 Plumas Plumas and Sierra Counties. In the center of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile (air) south-west of Pilot Peak. 2011 Comment
  CHSC35924  Lewisia nevadensis M. S. Taylor 1982-5-17 4460 Plumas Meadow along creek, jct of rds 22N54 and 22N88, ca. 2 mi se of Portola, n slope of Beckwourth Peak. 1737 Comment
  SJSU14356  Lewisia nevadensis N. A. Hopkins 1990-6-12 1613 Plumas c. 16 mi NW of Beckwourth on rd to Genessee 1676 Comment
  CAS-BOT-BC444563  Lewisia triphylla John Thomas Howell 1960-7-22 35920 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC283810  Leymus cinereus C. R. Ball 1932-7-24 699 Plumas Humbug House, Humbug Road. 9 miles SW of Lake Almanor and 20 miles NE of Chaparral Comment
  CAS-BOT-BC274528  Leymus triticoides Fred Sommers; Greg Sommers 1976-7-15 170 Plumas Sierra Valley Marsh, along road near W end of Dyson Lane (at road A 23) 1524 Comment
  SJSU4640  Ligusticum grayi C. W. Sharsmith 1969-6-19 7601 A Plumas Butterfly Valley c. 3 mi SW of Keddie 1066 Comment
  CAS-BOT-BC130518  Lilium A. M. Vollmer; L. Beane 1953-7-1 28 Plumas Englemine 1158 Comment
  CAS-BOT-BC508261  Lilium columbianum J. M. Tucker 1948-7-24 1726 Plumas Boggy area near road from Cascade to Camel Peak 1615 Comment
  HSC15578  Lilium kelleyanum W. R. Rogers 1966-7-23 204 Plumas 2073 Comment
  SDSU11954  Lilium kelleyanum D. F. Howe 1964-7-29 3890 Plumas Near Gold Lake Lodge, Plumas National Forest 2012 Comment
  CAS-BOT-BC509315  Lilium kelleyanum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-12 2116 Plumas At spring 1127 Comment
  CAS-BOT-BC509343  Lilium kelleyanum Anna Head 1920-7-23 s.n. Plumas Near Green Lake 1920 Comment
  RSA59404  Lilium parvum E. K. Balls 1950-9-8 15718 Plumas Lakes Center Public Campground. 2043 Comment
  RSA609433  Lilium washingtonianum Louis C. Wheeler 1958-7-28 7340 Plumas Sierra Nevada: South Fork Rock Creek, ca. 1/2 mile E of Bottle Springs, near Quincy 1584 Comment
  CAS-BOT-BC133084  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1927-6-1 s.n. Plumas Forest Lodge near Greenville, United States Forest Reserve Comment
  CHSC20743  Limosella acaulis K, R, Stern 1975-7-29 5882 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC81156  Limosella acaulis Lowell Ahart 2001-8-29 9227 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC81627  Limosella acaulis Lowell Ahart 2001-10-8 9307 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) northeast of Quincy. 1522 Comment
  JEPS115520  Limosella acaulis Lowell Ahart, John Dittes 2009-9-7 16402 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  CHSC81158  Limosella aquatica Lowell Ahart 2001-8-28 9199 A 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
  CAS-BOT-BC246073  Limosella aquatica L. P. Janeway 1992-11-16 4312 Plumas Middle Fork Feather River 1.5 mi. west of Beckwourth, Beckwourth Ranger District, Plumas National Forest 1481 Comment
  UC164544  Linanthus filipes H. M. Hall Jun 1912 Plumas near Alderson's; Yosemite National Park Comment
  SD6566  Linnaea borealis subsp. longiflora Mrs. R. M. Austin 1875-1 Plumas Butterfly Valley Comment
  UC917268  Linnaea borealis subsp. longiflora J. M. Tucker 1948-7-25 1735 Plumas in vicinity of Cascade Comment
  CDA18665  Linum lewisii var. lewisii G. D. Barbe, T. C. Fuller 1982-6-15 3714 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  CHSC62358  Lithocarpus densiflorus var. echinoides B. Castro; R. Fallscherr, R. Zebell 1989-8-21 406 Plumas Ca 8 air mi S of Bucks Lake, ca 1 mi N of Huner's Ravine. 1584 Comment
  SEINET10483076  Lithophragma glabrum Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3836 Plumas T24N R12E nw/sw sec 28, Mt Ingalls quad. In wet meadow, S side of Rd 24N61, ca. 1.5 air mi S of Little Summit Lake, ca. 10 mi NW of Portola; elevation ca. 6900 ft. 2103 Comment
  CAS-BOT-BC317311  Lithospermum californicum Alice Eastwood 1927-6-14 14582 Plumas United States Forest Reserve. Forest Lodge near Breenville.. Comment
  RSA169390  Lomatium donnellii L. S. Rose 1963-6-4 63122 Plumas Sierra Valley, 2 miles south of Beckwourth 1463 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
  CDA18661  Lomatium macrocarpum G. D. Barbe, T. C. Fuller 1982-6-15 3719 Plumas Sierra Nevada; 1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. 1783 Comment
  CHSC71136  Lomatium plummerae L. P. Janeway 1997-5-14 5127 Plumas West edge of Dixie Valley; north side of Dixie Creek; along the road connection Road 26N70 to Road 28N01. 1691 Comment
  CHSC95092  Lomatium plummerae L. P. Janeway; B. Castro 2006-6-3 8653 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.6 km north of the mouth of McReynolds Creek at Red Clover Creek. East-facing sagebrush slope near meadow edge. 1673 Comment
  RSA0012544  Lomatium utriculatum Joan Stewart 2000-06 1038 Plumas Plumas National Forest Comment
  SEINET7714997  Lonicera conjugialis Unknown Plumas Lassen's Peak Comment
  CHSC21282  Lonicera involucrata var. involucrata F. T. Griggs; A. Pass 1975-8-2 292 Plumas Buck's Lake. Comment
  CAS-BOT-BC200950  Lotus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54360 Plumas Near Indian Creek about 0.75 miles northwest of northwest arm of Antelope Reservoir 1584 Comment
  CAS-BOT-BC200952  Lotus Gladys L. Smith 1976-6-7 4559 Plumas Rte. 70, 8 mi. east of Quincy 1249 Comment
  UC1586414  Lotus crassifolius Vernon H. Oswald and Lowell Ahart 1991-6-18 4679 Plumas ca 4 mi air n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  SEINET3696850 Image available Lotus formosissimus Stan Gessel 1940-6-25 Plumas Butterfly Valley Comment
  JEPS112921  Lotus incanus Dean W. Taylor 2001-6-22 17809 Plumas Forest Road 21N68Y about 1 mile east of the Yuba County line (ca. 1 air mile South of Poverty Hill (townsite) 1402 Comment
  UC1523777  Lotus nevadensis Gary Schoolcraft 1981-6-17 471 Plumas sw of Portola 1481 Comment
  CDA17249  Lotus oblongifolius G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16276 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  JEPS110519  Lotus purshianus var. purshianus Lowell Ahart 2006-10-23 13501 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  RSA0035829  Lotus purshianus var. purshianus Lowell A. Ahart 2008-8-13 15170 Plumas 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
  UC862209  Lotus purshianus var. purshianus A. A. Heller 1938-7-2 15242 Plumas near Grays Flat (along the Feather River Highway) 868 Comment
  CHSC21705  Lupinus F. T. Griggs; A. Pass 1975-7-1 2 Plumas East of Grizzly Creek. Comment
  CAS-BOT-BC201254  Lupinus Clare B. Hardham 1975-8-2 20476 Plumas Black Mt. 2133 Comment
  SEINET10544036  Lupinus albicaulis subsp. wolfianus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-5 Conrad 7050 Plumas Yellow pine and douglas fir in plumas nat. For. Off hwy 70 1067 Comment
  CHSC52422  Lupinus apertus L. P. Janeway 1990-7-12 3793 C Plumas Plumas National Forest. Saddle along Eureka Ridge ca. 1.0 mi south of the head of Bear Cr. 2118 Comment
  CHSC60539  Lupinus apertus L. P. Janeway 1992-6-4 4213 Plumas Plumas National Forest. Slope above south side of Bear Creek in its upper reach; east side of Eureka Ridge. 1920 Comment
  CHSC87630  Lupinus apertus Lowell Ahart; Josephine Guardino 2004-5-24 10944 Plumas About 300 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/10 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy. 1204 Comment
  NY736672  Lupinus arbustus J. G. Lemmon 05 1879 s.n. Plumas Comment
  SBBG3538  Lupinus arbustus H. and M. Dearing 1939-5-9 3316 Plumas Blairsden Comment
  SEINET10484741  Lupinus arbustus subsp. silvicola Charles Piper Smith 1921-7-19 Smith 3448 Plumas Mt hough trail Comment
  SEINET10940038  Lupinus arbustus subsp. silvicola Mary Susan Taylor 1982-6-21 Taylor 4710 Plumas T23N R11E sw/nw sec 19. Blue Nose Mt quad. Above small creek, ca. 100 ft n of Eureka Ridge Rd (23N09.1), ca. 0.5 air mi nw of White Cap, ca. 3 air mi sw of Sloat. 5800 ft. 1768 Comment
  CAS-BOT-BC208793  Lupinus argenteus var. heteranthus M. S. Taylor 1982-8-19 5025 Plumas Along Fitch Canyon Rd, ca. 1 mi SW of its jct with Milford-Beckwourth Rd., ca. 4 mi. S of Milford 1828 Comment
  CAS-BOT-BC208806  Lupinus argenteus var. heteranthus Alice Eastwood 1918-5-25 7061 Plumas Portola Comment
  SEINET5327970  Lupinus argenteus var. heteranthus W. Harnach, N. Harnach 1990-5-12 293 Plumas Sierra Valley. T22N R14E S23NE of NE1/4. Wilson brothers ground, south of Marble Lane, on Co. Rd. A-23 (the rock pile). 1515 Comment
  SJSU13920  Lupinus argenteus var. heteranthus N. A. Hopkins 1984-7-22 1357 Plumas S end Squaw Valley 1828 Comment
  UC1075581  Lupinus breweri E. K. Balls and L. W. Lenz 1956-6-20 21845 Plumas along State Hwy 89 Quincy to Sierraville 5 mi se Graeagle; se of Graeagle 1432 Comment
  CHSC110002  Lupinus breweri var. breweri B. Castro; L. P. Janeway 2006-6-4 1542 Plumas Northern High Sierra Nevada. Ca 0.3 mi E of Grizzly Valley Dam along Lake Davis Rd, ca0.2 mi W of its jcn with the Beckworth-Taylorsville Rd. 1787 Comment
  CHSC110298  Lupinus breweri var. breweri B. Castro 2006-6-9 1565 Plumas Northern High Sierra Nevada. Far W side of lower Thompson Valley, 1 mi NNW of the mouth of McReynolds Creek at Red Clover Creek. 1674 Comment
  CHSC61732  Lupinus breweri var. breweri L. P. Janeway; Jim Battagin, Rob Russell 1993-8-4 4493 Plumas Plumas National Forest. At Lovejoy site. Just north of the confluence of Blakeless Creek and Little Grizzly Creek; along Road 112. 1783 Comment
  SEINET10841141  Lupinus caudatus Mary Susan Taylor 1982-8-19 Taylor 5025 Plumas T26N R14E ne/ne sec. 14. Ferris Creek quad. Along Fitch Canyon Rd, ca. 1 mi sw of its jct with Milford-Beckwourth Rd, ca. 4 mi s of Milford. Jeffrey Pine Forest; 6000 ft. Dry sandy soil. 1829 Comment
  RSA79298  Lupinus confertus E. K. Balls, Percy C. Everett, B. K. Balls 1952-10-9 18127 Plumas 2.9 mi. n.w. of Sierra-Plumas Co. line, Hwy 89. 1220 Comment
  CAS-BOT-BC215357  Lupinus dalesiae M. S. Taylor 1982-6-16 4684 Plumas Roadcut, N side of 24N13, ca. 0.1 mile E of its jct with Willow Creek Road 23N90, ca. 4 air miles SE of Quincy 1584 Comment
  CAS-BOT-BC215366  Lupinus dalesiae M. S. Taylor 1982-6-16 4685 A Plumas Both sides of 24N13, 0.5 mile N of Spur Road to Little Volcano, ca. 4 air miles SE of Quincy 1676 Comment
  CAS-BOT-BC215368  Lupinus dalesiae M. S. Taylor 1982-7-12 4814 Plumas Along Eureka Ridge Road (23N09), 0.9 mile NW of its jct with McRae Meadow Road, ca. 6 air miles W of Mohawk 2072 Comment
  CAS-BOT-BC215394  Lupinus dalesiae M. S. Taylor 1982-5-27 4555 Plumas On S side of Bucks Lake-Spanish Creek Road, 4.5 miles SW of its junction with Highway 70 in Quincy 1097 Comment
  CAS-BOT-BC215404  Lupinus dalesiae Charles Piper Smith 1947-5-22 47338 Plumas In town, Meadow Valley Comment
  CAS-BOT-BC215411  Lupinus dalesiae Lowell Ahart 1983-7-14 4193 Plumas S Fork of the Feather River, S of the Feather Fork Mine, about 1.5 miles NE of Little Grass Valley Res., about 5.5 miles N of La Porte 1750 Comment
  CAS-BOT-BC8436  Lupinus dalesiae Mrs. H. C. Cantelow 1940-5-12 s.n. Plumas 2.4 miles E of Meadow Valley Inn near Quincy Comment
  CHSC35905  Lupinus dalesiae M. S. Taylor 1982-6-23 4719 Plumas S side of 23N43Y, 2.4 mi w of its jct with Peoria Creek Rd (23N10), ca. 1 mi s of English Bar, ca. 6 mi sw of Cloat. 1402 Comment
  CHSC52430  Lupinus dalesiae L. P. Janeway 1990-6-12 3714 Plumas Along Rattlesnake Cr. Ca 1.0 mi N of Hwy 70/89; vicinity of Long Valley, Sloat. 1417 Comment
  CHSC74828  Lupinus dalesiae H. Durio 1996-5-10 Plumas 3 to 4 air mi NE of Pilot Peak, along Peoria Creek Road (USFS Rd 23N10) as it crosses and parallels Nelson Creek. 1508 Comment
  UC1502140  Lupinus dalesiae M. S. Taylor 1982-6-1 4573 Plumas n side of Hwy 70 just e of Greenhorn Ranch Rd. 0.1 mi e Spring Garden city limit sign; Spring Garden Quad. 1280 Comment
  UC640271  Lupinus dalesiae H. and M. Dearing 1939-5-9 3222 Plumas near Quincy; near Quincy 609 Comment
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Mar 27 2007
  UCD107625  Lupinus dalesiae L. P. Janeway 1990-6-8 3706 Plumas Plumas National Forest, Beckwourth Ranger District. Little Long Valley; along rd 23N12 ca. 0.6 of jct with rd 23N51. 1722 Comment
  SEINET10841217  Lupinus dalesiae Mary Susan Taylor 1982-6-23 Taylor 4719 Plumas T23N R10E ne/nw sec 14. Blue Nose Mt quad. S side of 23N43Y, 2.4 mi w of its jct with Peoria Cr Rd (23N10), ca. 1 mi s of English Bar, ca. 6 mi sw of Sloat. 4600 ft. 1402 Comment
  SEINET10841219  Lupinus dalesiae Mary Susan Taylor 1982-6-2 Taylor 4597 Plumas T23N R12E sw/ne sec 17. Johnsville quad. ALong 23N11, on loop through Cogswell Ravine, 3.2 mi ne of Jackson Cr Cmpgr, ca. 5 air mi n of Mohawk. 5700 ft. 1737 Comment
  SEINET10937075  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4678 Plumas T24n r10e nw1/4sw1/4 sec 33. Spring garden quad. Corolla yellow. Mixed Evergreen forest, on open bare phyllite roadcut, n side of 24n26, 0.5 mi. W of Its jct with quincy-laporte rd, ca 3 mi. Se of quincy. With lathyrus Nevadensis. 1646 Comment
  SEINET10973212  Lupinus dalesiae Mary Susan Taylor 1982-5-26 Taylor 4540 Plumas T24N R10E nw/nw sec 15. Spring Garden quad. W side of Quincy-LaPorte Rd, 4.1 mi n of Nelson Creek bridge, ca. 3.5 mi w of Spring Garden. 4000 ft. 1219 Comment
  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
  RSA0089037  Lupinus grayi Bonnie C. Templeton 1968-6-9 11256 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  UC1482904  Lupinus grayi LeDoux, Conrad, and Dunn 1973-6-5 1092 Plumas along Hwy 89, 2.2 mi from jct of Hwy 89 and 70 Comment
  SEINET10484001  Lupinus grayi Mary Susan Taylor 1982-5-26 Taylor 4534 Plumas T23N R10E nw/nw sec 12. Spring Garden quad. Both sides of Fells Creek Rd - 23N22, 4.0 mi w of Lee Summit, ca. 2 air mi sw of Sloat. 4400 ft. Mixed Coniferous Forest. 1341 Comment
  SEINET10490345  Lupinus grayi Mary Susan Taylor 1981-4-3 Taylor 3833 A Plumas T23n r12e ne 1/4 sec 17. Johnsville quad. N side of rd 23n11, ca 3 mi. S of Happy valley, near head of cogswell ravine, ca 2 air mi. E of cromberg ravine, Ca 2 air mi. E of cromberg on hwy 70. Yellow pine forest. 1768 Comment
  JEPS121783  Lupinus latifolius var. columbianus B. Castro and L. P. Janeway 2008-9-13 1756 Plumas Nothern High Sierra Nevada. Near USFS Rd23N73Y 2.1 road mi N of Oroville-Quiincy Hwy and Grizzly Summit, and 1 air mi NNW of Grizzly Summit. Comment
  JEPS103585  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
  UC665284  Lupinus lepidus var. sellulus Elmer I. Applegate 1934-5-3 8909 Plumas on road to Oroville w Quincy (just below Meadow Valley); , w of Quincy Comment
  SD8496  Lupinus minimus Daniel Cleveland 1882-7-21 Plumas Prattville Comment
  NY15965  Lupinus onustus R. M. Austin 1876-1 s.n. Plumas Comment
  CHSC112508  Lupinus polyphyllus var. burkei L. P. Janeway 2014-7-15 11539 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CAS-BOT-BC329259  Lupinus sellulus M. S. Taylor 1982-7-14 4831 Plumas Near jct of 27N92 and 26N18 in Long Valley around creek, ca 4 air mi W of Greenville. 1676 Comment
  RSA414243  Lupinus sellulus subsp. sellulus Anstruther Davidson 1928-7-1 s.n. Plumas Feather River. Comment
  SEINET10490234  Lupinus sellulus var. artulus Mary Susan Taylor 1982-7-14 Taylor 4831 Plumas Corolla pale blue. Near jct. Of 27n92 and 26n18 in Long Valley around creek, ca 4 air mi wWof Greenville. Dry roadside in hardpacked Soil. 1676 Comment
  SEINET10490882  Lupinus sellulus var. sellulus Taylor 1981-8-31 Taylor 4249 Plumas Sierra city ne quad. E side of rd 114, ca .5 mi n of its jct with hwy. 89, Ca 1.5 Mi e of clio. Associates: purshia tridentata, pinus ponderosa. 1433 Comment
  CHSC94143  Luzula cascadensis Lowell Ahart 2006-7-9 12932 Plumas In a small seep, in a small open area in brush, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  CAS-BOT-BC436593  Luzula cascadensis Clare B. Hardham 1970-8-8 17703 F Plumas Road to Thompson Peak Lookout 2133 Comment
  JEPS95400  Luzula comosa var. laxa Lowell Ahart 1994-6-12 7319 Plumas Near Cedar Flat, on the west side of Faggs Mine Road, south-west of a small branch of Willow Creek, about 1 1/4 miles (air) south of Bucks Lake 1706 Comment
  RSA726331  Luzula divaricata L. Ahart 2007-8-9 14441 Plumas About 80 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2552 Comment
  CAS-BOT-BC441254  Luzula macrantha John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2425 Plumas Butterfly Botanical Area and vicinity: area adjacent to the mouth of Butterfly Creek 883 Comment
  SEINET10837070  Lycopus americanus Mary Susan Taylor 1981-8-5 Taylor 4168 Plumas 1069 Comment
  UC1730228  Lycopus uniflorus L. P. Janeway 1998-9-10 6273 Plumas 5 mi NW of Quincy (along the NW shore of Snake Lake) 1205 Comment
  POM75872  Lysimachia thyrsiflora Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CDA13968  Madia bolanderi G. F. Hrusa 1996-8-2 13431 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, Approx. 1 mi. NW of Argentine Rock. Comment
  CDA13786  Madia citriodora G. F. Hrusa 1997-6-26 13876 Plumas Sierra Nevada; Open flats 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd. (to N; USFS 508)/and Sloat Rd. (to S). Comment
  UC89395  Madia elegans Mrs. R. M. Austin 1882-7-24 Plumas Big Meadows Comment
  UC1561925  Madia elegans Barbara Ertter 1987-7-24 7309 Plumas on Rt 284 ca 3 mi n Chilcoot (<on road> to Frenchman Lake) 1524 Comment
  CHSC101856  Madia exigua Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15887 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  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
  SD87701  Madia exigua Frank W. Peirson 1926-6-21 6787 Plumas Lake Almanor Comment
  UCR123520  Madia glomerata George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6864 Plumas Sierra Nevada Mountains, Calif. Hwy 89, 2.3 miles SSE of its junction with Calif. Hwy 36, Lake Almanor Region 1357 Comment
  UCR47741  Madia glomerata David D. Keck 1932-7-6 1715 Plumas Halfway between Prattville and Chester 1374 Comment
  CAS-BOT-BC342853  Madia glomerata David D. Keck 1932-7-6 1715 Plumas Halfway between Prattville and Chester 1340 Comment
  CAS-BOT-BC342861  Madia glomerata Lowell Ahart 1986-9-10 5397 Plumas About 1 mile north-west of and near Pilot Peak, about 14 miles north-east of La Porte 1950 Comment
  UC501403  Madia glomerata David D. Keck 1932-7-6 1715 Plumas halfway between Prattville and Chester 1340 Comment
  CAS-BOT-BC343274  Madia gracilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54252 Plumas About 2.5 miles southeast of Mt. Hough on the road to Quincy 1798 Comment
  CHSC88005  Madia gracilis Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11153 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
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May 24 2013
  CHSC89800  Madia gracilis G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16330 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
  JEPS89652  Madia gracilis Dean Wm. Taylor with Glenn L. Clifton 1992-8-23 13215 Plumas along Hwy. 89 1.3 mi. n.of junction w/ Humbug-Humboldt Rd. (Lake Almanor region); Fieather R. Watershed, Lake Almanor region 1417 Comment
  RSA716593  Madia gracilis L. Ahart, John Dittes 2005-9-19 12409 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1987 Comment
  CAS-BOT-BC343282  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-9 43246 Plumas North Fork of Feather River at Caribou 914 Comment
  SEINET10474822  Madia minima Mary Susan Taylor 1974-5-18 Taylor 248 Plumas Vicinity of Tobin and Butterfly Valley, Hwy 70. Comment
  CHSC24274  Maianthemum racemosum K. R. Stern 1975-7-24 Plumas E side of Lake Almanor. Comment
  CAS-BOT-BC512090  Maianthemum racemosum subsp. amplexicaule Anna Head 1920-6-13 s.n. Plumas Lake Center Camp; Feather River Region 1920 Comment
  CAS-BOT-BC512092  Maianthemum racemosum subsp. amplexicaule Thomas H. Kearney 1944-8-14 34 Plumas Near Prattville, Lake Almanor Comment
  CHSC76799  Malacothrix floccifera L. P. Janeway 1997-9-29 5363 Plumas Along Soda Creek 0.1 mi north of Hwy 70 and East Branch North Fork Feather River. Roadside in bottom of canyon, and along edge of dirt road. 944 Comment
  SJSU14285  Malacothrix floccifera N. A. Hopkins 1989-8-7 1574 Plumas 2 miles west of Notson's Bridge on Beckwourth-Genesee road 1524 Comment
  RSA88563  Malva parviflora J. T. Howell 1951-6-27 27555 Plumas Johnsville. 1585 Comment
  CAS-BOT-BC71087  Marsilea vestita Thomas H. Kearney 1944-8-14 1 Plumas Near Prattville, Lake Almanor Comment
  CDA18679  Melica bulbosa G. D. Barbe, T. C. Fuller 1982-6-15 3725 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  CAS-BOT-BC282090  Melica fugax Lewis S. Rose 1954-5-30 54067 Plumas Johnsville 1813 Comment
  CAS-BOT-BC282092  Melica fugax Lowell Ahart 1986-7-8 5347 Plumas About 1 mile NW of Pilot Peak, ca 14 miles NE of La Porte 1981 Comment
  CHSC54333  Melica fugax Vernon H. Oswald; Lowell Ahart 1991-6-18 4691 Plumas Homer Lake, located ca. 5.5 miles (air) north of Greenville. On the northwest side of the lake. 1920 Comment
  RSA739775  Melica fugax L. P. Janeway 2007-6-3 9005 Plumas Northern High Sierra Nevada, Eastern end of Red Mtn, along the high exposed rocky ridgeline. Weathered reddish serpentine 1929 Comment
  CAS-BOT-BC281269  Melica geyeri John Thomas Howell; Gordon H. True; Walter & Irja Knight 1968-6-11 2416 Plumas Butterfly Botanical Area. Near Fern Glen 1066 Comment
  JEPS120105  Melica harfordii Lowell Ahart 2012-7-1 18259 Plumas About 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of 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
  CHSC80915  Melica stricta Lowell Ahart 2001-7-17 8929 Plumas Outcrops, on the south side of a logging road, south of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  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-BC264178  Melica subulata John Thomas Howell 1960-7-20 35713 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  RSA59235  Melilotus albus E. K. Balls 1950-8-31 15538 Plumas Spanish Creek, off Hwy. 24, just north of Quincy. 1067 Comment
  CHSC24283  Mentha canadensis K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  CHSC52033  Mentha canadensis L. P. Janeway 1990-8-28 3835 Plumas Plumas National Forest. S side of Red Clover Cr on E side of Notson Bridge. 1554 Comment
  RSA52949  Mentha canadensis R. Weatherby 1950-7-28 1498 Plumas Border of Smith Lake near Quincy. 1250 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
  CHSC1675  Micranthes aprica V. Holt 1942-7-20 Plumas Long Valley. 1310 Comment
  CAS-BOT-BC428605  Micranthes bryophora Emily McPherson 1975-8-31 779 Plumas Ridge above Round Lake toward Mt. Elwell; Lakes Basin. 1981 Comment
  CAS-BOT-BC428884  Micranthes californica John Thomas Howell; Gordon H. True 1967-5-9 42207 Plumas Lewisia Rock. 3.5 miles southwest of Belden, Feather River Canyon. 609 Comment
  CAS-BOT-BC429147  Micranthes odontoloma Anna Head 1920-7-23 s.n. Plumas Trail to Mt. Elwell, Feather River Region Comment
  CHSC91620  Microseris nutans G. Douglas Barbe; T. C. Fuller 1982-6-15 3696 Plumas Sierra Nevada Foothills. East-facing slope, 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 miles east of Red Hill Summit, Plumas National Forest. 1493 Comment
  JEPS106022  Microseris nutans Lowell Ahart, John Dittes, Josephine Guardino 2004-5-16 10909 Plumas East of the dirt road, south of the Bucks Lake Road, about 2 miles (air) northeast of Meadow Valley, about 5 miles (air) west of Quincy 1147 Comment
  JEPS35650  Microseris nutans W. L. Jepson 1910-6-4 4057 Plumas Big Meadows Big Meadows (Pine Flats) 1341 Comment
  CHSC116571  Microsteris gracilis L. P. Janeway; Robin Carter 2015-7-9 11799 Plumas Northern High Sierra Nevada. Lower Thompson Valley, 0.6 km north of Red Clover Creek. 1669 Comment
  CHSC53207  Microsteris gracilis L. P. Janeway 1989-6-14 3309 Plumas Plumas National Forest. Along southerly side of Red Clover Valley. 1685 Comment
  CHSC97540  Microsteris gracilis Lowell Ahart; John Dittes 2007-6-16 14110 Plumas East of a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  UC1552824  Mimulus aurantiacus var. grandiflorus Frederica Bowcutt 1985-5-15 517 Plumas Rock Creek Dam along Hwy 70 Plumas National Forest, North Fork of the Feather River Comment
  RSA0014053  Mimulus floribundus Joan Stewart 2000-06 1036 Plumas Plumas National Forest Comment
  SBBG7006  Mimulus guttatus A. A. Heller, P. B. Kennedy 1907-7-11 8794 Plumas Prattville Comment
  UC1012473  Mimulus guttatus Francis W. Pennell 1940-6-11 25806 Plumas 1 mi s Greenville (Route 89) 1219 Comment
  SEINET12249487  Mimulus moschatus K. R. Stern 1975-1 5880 Plumas SW shore Lake Almanor 1372 Comment
  JEPS3894  Mimulus nanus var. mephiticus Duncan Dunning 1923-6-4 Plumas near Portola; Humbug Creek Comment
  UC149906  Mimulus nanus var. mephiticus Katharine Brandegee 1911-7-30 Plumas Portola Comment
  UCSB24288  Mimulus nanus var. mephiticus Hardham, Clare 1961-6-15 Plumas Graeagle; Sierra Nevada Mountains Comment
  UCR60808  Mimulus primuloides B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0954 Plumas Sierra Nevada Mountains, Plumas National Forest c. 6 mi north of Gold Lake on Gold Lake Road, and 2.6 mi west of junction with Hwy 89 1585 Comment
  RSA60018  Mimulus primuloides var. pilosellus E. K. Balls 1950-9-1 15595 Plumas East of Long Lake, by smaller lake flowing into it. Southern Plumas Co. 2104 Comment
  JEPS28643  Mimulus pulsiferae George W. Gillett 1957-7-19 840 Plumas slopes across from Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 1981 Comment
  SEINET10570267  Mimulus pulsiferae Mary Susan Taylor 1982-9-7 Taylor 5096 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 4880 ft. Dry sandy soil; open Riparian. 1487 Comment
  SEINET10570269  Mimulus pygmaeus Mary Susan Taylor 1982-6-11 Taylor 4637 Plumas T27N R7E ne/ne sec 10. Almanor NW quad. Almanor Campground, between n part of cmpgr & rd, 0.5 mi e of Hwy 89; n of Prattville. 4500 ft. 1372 Comment
  UC1795606  Mimulus torreyi S. E. Schoenig 1998-7-5 98 -73 Plumas N side of Hwy 36, 1.0 mi W of junction with Hwy 89.7 miles W of Chester 1493 Comment
  JEPS8113  Mimulus torreyi Helen-Mar Wheeler 1944-8-23 Plumas Cascade Creek 1249 Comment
  CAS-BOT-BC432980  Mitella breweri M. S. Taylor 1982-6-17 4698 Plumas Along Oliver Creek, at its jct with 23N39, ca. 3 air mi sw of Sloat. 1615 Comment
  CAS-BOT-BC432982  Mitella breweri Anna Head 1921-7-23 s.n. Plumas Trail to Long Lake, Feather River Region Comment
  CHSC67806  Monardella follettii James D. Jokerst 1990-8-1 3438 Plumas Comment
  JEPS2650 Image available Monardella follettii W. I. Follett 1937-8-2 108 Plumas ne slope Red Hill (Rich Gulch); East Branch of North Fork Feather River; Feather River, Plumas Co. 1280 Comment
  CHSC118721  Monardella follettii Noah Siegel; Wendy L. Boes 2015-6-12 2015003 Plumas Lassen National Forest. Cottonwood Meadow ultramafics, between Forest Service road 26N08 and Lead Gulch. UTM 648821 E, 4439781 N, NAD83 Zone 10N. 1340 Comment
  SEINET10582325  Monardella follettii A. Graff 1993-7-22 Graff 309 Plumas Plumas National Forest. Meadow Valley Rd. south, on southeast-facing road shoulder. T25N,R8E,S29. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Comment
  CHSC33595  Monardella glauca M. S. Taylor; M. Foster 1981-6-15 3897 Plumas S side of Bucks Lake Rd, ca. 50 ft e of its jct with 24N29 (rd to Deanes Valley), ca. 2 mi ne of Meadow Valley. 1158 Comment
  HSC14287  Monardella lanceolata W. R. Rogers 1966-6-6 238 Plumas Ferris Creek Comment
  JEPS127339  Monardella odoratissima subsp. glauca Lowell Ahart 2016-7-9 21088 Plumas Top and on the northeast side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UCR280839  Monardella odoratissima subsp. glauca Lowell Ahart 2014-8-26 19788 Plumas South Fork of the Feather River, Little Grass Valley Reservoir, c. 200 yards southwest of the parking lot to the Pacific Crest Trail, c. 0.25 mile southwest of the bridge across the South Fork of the feather River, c. 4 air miles north of LaPorte 1534 Comment
  CAS-BOT-BC314154  Monardella odoratissima subsp. glauca L. P. Janeway 1993-7-28 4477 Plumas Plumas National Forest, Greenville Ranger District, Ward Compartment. Along steep N-trending ridge S of a bend in Ward Creek; along and down-ridge from access road 2.2 mi SE of Genesee Valley. 1371 Comment
  CAS-BOT-BC222116  Monardella odoratissima subsp. pallida John Thomas Howell 1926-7-31 2179 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC222118  Monardella odoratissima subsp. pallida John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54378 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  CHSC61986  Monardella odoratissima subsp. pallida L. P. Janeway 1993-8-5 4502 Plumas Plumas National Forest. About 1.3 mi northwest of Pilot Peak; along the Quincy-La Porte Road (Road 511) 0.4 mi southwest of Onion Valley Creek crossing. 1895 Comment
  CHSC62361  Monardella odoratissima subsp. pallida B. Castro; J. Jurewicz 1990-7-17 430 Plumas Ca 6 air mi W of Crescent Mills, on gentle W-facing slope above Rush Ck, along both sides of USFS Rd 16N87 ca 0.9 mi S of its jcn with Rd 27N92 and ca 0.2 mi S of Cow Ck crossing. 1584 Comment
  JEPS127336  Monardella odoratissima subsp. pallida Lowell Ahart 2016-7-9 21087 Plumas Top and on the northeast side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  RSA794998  Monardella odoratissima subsp. pallida L. Ahart, John Dittes 2009-7-15 16097 Plumas East of the power line on the south side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  SEINET5333425  Monardella odoratissima subsp. pallida A. A. Heller 1907-7-9 8774 Plumas Prattville Comment
  CAS-BOT-BC220480  Monardella sheltonii Lowell Ahart 1986-7-25 5373 Plumas Along Cleghorn Bar Road, about 1 1/2 miles west of Finger Board, about 4 miles north-west of Pilot Peak 1828 Comment
  CHSC111719  Monardella sheltonii Lowell Ahart 2012-7-1 18261 Plumas On the east side of the dirt road to the large pipe, about 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. 807 Comment
  CHSC36325  Monardella sheltonii M. S. Taylor 1982-7-21 4897 Plumas Summit of Little Volcano, ca. 5 mi se of Quincy. 1768 Comment
  CHSC67980  Monardella sheltonii James D. Jokerst 1989-7-3 3122 Plumas Caribou Rd. 1.2 mi N of Hwy. 70. Comment
  RSA551259  Monardella sheltonii J. T. Howell 1975-7-22 51350 Plumas 2 miles NW of Spring Garden 1174 Comment
  CAS-BOT-BC220482  Monardella sheltonii Louella Bass 1980-8-20 s.n. Plumas Seneca Comment
  SEINET10582344  Monardella sheltonii A. Graff 1993-7-22 Graff 302 Plumas Plumas National Forest. Hwy. 70 west, at turnout just after Quarry Rd. Locally infrequent on road cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp., Apix mellifera. 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
  SEINET10582356  Monardella sheltonii A. Graff 1993-7-21 Graff 285 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
  SEINET10582358  Monardella sheltonii A. Graff 1993-7-21 Graff 290 Plumas Plumas National Forest. On Hwy. 70 west, .3 mile southeast of Greenhorn Ranch Rd., on right road bank. T24N,R10E,S25. Growing in light brown, sandy, gravelly soil, with Arctostaphylos sp. and scrub. Bombus sp. Comment
  SEINET10928192  Monardella sheltonii A. Graff 1993-7-21 Graff 289 Plumas Plumas National Forest. On Hwy. 70 west, .3 mile southeast of Greenhorn Ranch Rd., on right road bank. T24N,R10E,S25. Growing in light brown, sandy, gravelly soil, with Arctostaphylos sp. and scrub. Bombus sp. Comment
  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
  SEINET12334047  Monardella villosa subsp. sheltonii L. P. Janeway 1989-1 3398 Plumas Spring Garden quad T24N R10E NE? of sec22;Low W-facing roadcut along hwy 70/89, SE of Quincy, 0.9mi* 1097 Comment
  UC1075676  Montia chamissoi Robert J. Weatherby 1955-7-2 1586 Plumas Wilcox Valley 1767 Comment
  CHSC97580  Montia fontana subsp. chondrosperma Lowell Ahart; John Dittes 2007-6-16 14100 Plumas Gravel bars along 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
  CAS-BOT-BC445094  Montia linearis John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 2080 Plumas Butterfly Botanical Area and Vicinity 1127 Comment
  CHSC33623  Montia linearis M. S. Taylor; M. Foster 1981-6-3 3845 Plumas W side of 24N10 in vernal depression near meadow, ca. 1/4 mi s of Grizzly Creek crossing 24N10, ca. 8 mi nw of Portola. 1767 Comment
  CAS-BOT-BC445101  Montia linearis Roxana S. Ferris 1952-5-18 12487 Plumas 1.5 miles north of Greeneville [Greenville] 1097 Comment
  JEPS50775  Montia parvifolia Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9286 a Plumas just n of Storrie (along Feather River Highway); Feather River Highway 716 Comment
  RSA129386  Muhlenbergia filiformis G. Burks 1933-8-8 29 Plumas 4 1/4 miles NE Cammel Park. 1707 Comment
  RSA60243  Muhlenbergia filiformis E. K. Balls 1950-9-2 15635 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  SEINET4672127  Muhlenbergia filiformis R. McKee, H. L. Westover 1918-6-15 s.n. Plumas Chester Comment
  SJSU4306  Muhlenbergia jonesii T. L. Erwin 1963-8-19 2 Plumas near Banner Creek S slope of Mt Harkness 7 mi NW of Chester 1676 Comment
  UCD143640  Muilla transmontana Louis K. Mann; Patricia Mann 1963-6-17 s.n. Plumas Beckworth Pass, (U.S. Alt. 40); near Lester Davis roadside rest. 1682 Comment
  UCSB16058  Myosotis laxa Breedlove, Dennis 1962-6-13 Plumas Along State Highway 89; 2 miles south of Graeagle; Sierra Nevada 1402 Comment
  POM252795  Myosotis scorpioides A. A. Heller 1938-7-2 15241 Plumas 3 miles east of Quincy. 1098 Comment
  UC1560389  Myosotis scorpioides E. Joyal and D. Mehlman 1988-6-30 1300 Plumas 2 - 2.5 mi. s. Graeagle (along hwy. #89, Mill Creek and its tributaries); Mill Creek 1200 Comment
  RSA641881  Myosurus minimus Michael A. Vincent 1999-6-7 8540 Plumas Plumas National Forest; Beckwourth Ranger district along Route A23, just south of Route 70, SW of Beckwourth. Comment
  CDA37312  Myriophyllum sibiricum B. Villegas 2008-7-23 s.n. Plumas Sierra Valley, just east of Beckwourth; Middle Fork of the Feather River near County Road A23, just south of Hwy 70. 0 Comment
  SEINET13711172  Myriophyllum sibiricum Lowell William Ahart, Lowell William Ahart 2001-1 9278 Plumas Freeman Creek (T24N, R13E, S 30, NE 1/4) Comment
  SEINET5520835  Nama densa var. densa W. Harnach, N. Harnach 1990-6-16 385 Plumas Sierra Valley. NNW of Vinton, Frank Dotta Ranch 1524 Comment
  CHSC56547  Nama lobbii L. P. Janeway 1984-7-15 923 Plumas Along dirt road on south side of Frenchman Hill; ca 3 mi west-southwest of Bucks Lake. 1737 Comment
  SEINET12054992  Narthecium californicum J. G. Lemmon 7 s.n. Plumas Butterfly Valley and Castle Lake Valley, near Shasta Comment
  CHSC33600  Navarretia breweri M. S. Taylor; M. Foster 1981-6-8 3867 Plumas N side of 24N08, just n of its jct with 25N93, half way between Bagley Pas and Red Clover Valley, ca. 1.5 air mi n of w end of Lake Davis. 1706 Comment
  HSC103853  Navarretia breweri G. D. Barbe, T. C. Fuller 1982-6-17 3821 Plumas South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam 1707 Comment
  CHSC54409  Navarretia capillaris Vernon H. Oswald 1991-7-8 4701 .1 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, at its crossing of the stream coming from Terminal Geyser, near the south boundary of the park. On the creek bank. 1676 Comment
  CHSC80852  Navarretia capillaris Lowell Ahart 2001-7-17 8933 Plumas On the west side of a branch of Butt Creek, on the north side of the dirt road, a little west of Ruffa Ranch, about 1 mile (air) north of Eagle Rocks, about 2 miles (air) northeast of Humboldt Summit. 1706 Comment
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Nov 23 2007
  CHSC92183  Navarretia capillaris Lowell Ahart; John Dittes 2005-9-19 12402 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1989 Comment
  CHSC115157  Navarretia divaricata subsp. vividior Lowell Ahart 2015-6-7 20217 Plumas Along the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Mixed Evergreen Forest. 1411 Comment
  RSA104163  Navarretia intertexta Mrs. R. M. Austin 1880-1 s.n. Plumas [no locality information provided] Comment
  CHSC10634  Navarretia leptalea Lowell Ahart 1970-6-25 Plumas Six miles NW of La Porte. 1828 Comment
  CDA40132  Navarretia leptalea Vernon H. Oswald & Lowell Ahart 1998-8-11 9477 Plumas USFS 23N85Y 0.8 mile east of Oroville-Quincy Highway, 6.2 miles northeast of Four Trees, on the south side of Frenchman Hill. Comment
  SBBG32371  Navarretia leptalea L. S. Rose 1967-7-11 67159 Plumas Mt Hough Rd, 9.5 mi NE of Quincy Junction 1249 Comment
  CHSC71648  Navarretia leptalea subsp. leptalea Vernon H. Oswald; Lowell Ahart 1998-8-11 9477 Plumas USFS 23N85Y 0.8 mi east of Oroville-Quincy Hwy., 6.2 mi northeast of Four Trees, on the south side of Frenchman Hill. Roadside. 1737 Comment
  UC595081  Navarretia leptalea subsp. leptalea David D. Keck 1938-8-9 4899 Plumas 0.5 mi w town (Beckwith (Beckwourth)); Beckwith (Beckwourth) Comment
  JEPS69654  Navarretia leptalea subsp. leptalea W. L. Jepson 1939-8-4 19339 a Plumas Rock Creek s of Meadow Valley, Rock Creek 1219 Comment
  SEINET14152012  Navarretia leucocephala subsp. minima W. Harnach, N. Harnach 1990-5-25 321 Plumas Sierra Valley, Marble Lane, approx 0.75 mile west of bridge. 1486 Comment
  SEINET10464804  Nemacladus capillaris Austin AUSTIN s.n. Plumas American Valley Comment
  JEPS7590  Nemacladus interior Rimo Bacigalupi with Richard Hauke 1954-7-15 4729 Plumas mouth of Rock Creek; North Fork Feather River Canyon 518 Comment
  RSA505402  Nemacladus interior R. C. Bacigalupi, G. T. Robbins 1955-7-22 5440 Plumas Above Rock Creek, just above its junction with the North Fork Feather River. 473 Comment
  CHSC90939  Nemophila heterophylla Lowell Ahart; Richard Rabeler, Lawrence Janeway, Linnea Hanson 2005-4-20 11748 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
  CHSC96894  Nemophila parviflora var. austiniae Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13998 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
  CDA14130  Nemophila pedunculata G. F. Hrusa 1997-5-3 13820 Plumas Sierra Nevada; W side of Rattlesnake Creek, immed. N of Hwy 70 approx. 15 mi. E of Quincy. Comment
  JEPS1873  Nemophila spatulata L. Constance 1938-6-10 2319 Plumas near Lake Almanor (Feather River at Chester); , near Lake Almanor 1219 Comment
  RSA0013788  Nuphar lutea subsp. polysepala R. F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42309 Plumas Plumas National Forest: Snake Lake, ca. 4 miles NW of Quincy. 1220 Comment
  CAS-BOT-BC400104  Nuphar polysepala R. F. Thorne; C. W. Tilforth 1969-9-6 39228 Plumas Water of Feather River, 1 mi. SW of Beckwourth 1356 Comment
  CHSC114417  Orcuttia tenuis Allison Sanger 2012-8-16 Plumas Large pool at Almanor Rest Area, west of Prattville. 1402 Comment
  JEPS29579  Oreostemma alpigenum var. andersonii J. Thomas Howell 1960-7-23 35964 Plumas Dream Lake, (Drakesbad) Lassen Volcanic National Park, Dream Lake, Drakesbad 1676 Comment
  UCD107502  Oreostemma alpigenum var. andersonii Tim Kuhn 2006-7-10 48 Plumas on Plumas NF forest service road 107407. Comment
  CHSC110760  Oreostemma elatum Dean Wm. Taylor 2011-8-1 21135 B Plumas The Sierra Nevada. Butterfly Valley (Butterfly Valley Botanical Area, 2 air miles SW of Keddie) 1173 Comment
  CAS-BOT-BC499781  Orobanche californica subsp. jepsonii Lowell Ahart 1974-8-15 s.n. Plumas Sierra Nevada: 1 mi N of Bunker Hill Mine 1828 Comment
  CHSC116529  Orobanche corymbosa B. Castro; Brian Humphrey 2015-7-8 2096 Plumas Northern High Sierra Nevada. W side of lower Thompson Valley ca 1 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. 1672 Comment
  CAS-BOT-BC499823  Orobanche corymbosa subsp. corymbosa Rimo Bacigalupi 1923-6-14 s.n. Plumas On grade between Johnsville & Gibsonville above Nelson Creek 1920 Comment
  CAS-BOT-BC500235  Orobanche pinorum George W. Gillett 1957-7-23 890 Plumas Lassen Volcanic National Park. Summit of Mt. Harkness 2446 Comment
  SEINET11131849  Orogenia fusiformis C. Bailey, H. N. Mozingo 1979-3-24 43 Plumas Along Little Last Chance Creek 1561 Comment
  RSA0083182  Orthilia secunda J. G. Lemmon s.n. Plumas [Unspecified] Comment
  SEINET10549657  Orthocarpus copelandii Mary Susan Taylor 1981-8-4 Taylor 4155 Plumas 7100 ft. T28N R12E se 1/4 28 Diamond Mt. quad. On top of Wildcat Ridge, ca 4 air mi NW of Antelope Lake, ca. 13 air mi NE of Taylorville. Very rocky, open with few trees. Partially burned (old.) Tertiary volcanic on top of eocene marine. 2164 Comment
  JEPS80623  Orthocarpus cuspidatus subsp. cryptanthus M. S. Taylor 1981-8-4 4155 Plumas ca 4 air mi nw Antelope Lake (ca 13 air mi ne of Taylorsville, on top of Wildcat Ridge); Diamond Mt. Quad., nw of Antelope Lake, top Wildcat Ridge 2164 Comment
  UC584313  Orthocarpus cuspidatus subsp. cryptanthus G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2242 Plumas sw slopes and ridge crest Red Rock (n of Engelmine); sw slopes and ridge crest Red Rock 2133 Comment
  RSA641471  Orthocarpus cuspidatus subsp. cuspidatus Michael A. Vincent 1999-6-8 8550 Plumas Plumas Nat'l Forest, Milford Ranger District, along FS 26N17 just north of FS 26N40. Comment
  RSA8035  Orthocarpus hispidus H. A. Barker 1927-7-16 823 Plumas Along Feather River near Mohawk. 1372 Comment
  SBBG128728  Osmorhiza berteroi L. Ahart 2008-7-16 15072 Plumas forest floor E of a small meadow (swamp) ca. 100 yards N of the paved rd, ca. 0.25 mi W of the bridge where the S Fork of the Feather River flows into Little Grass Valley Reservoir, ca. 2 1/2 mi (air ) N of La Porte 1597 Comment
  CHSC99821  Osmorhiza chilensis Lowell Ahart 2008-7-16 15072 Plumas Forest floor, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  SEINET10454515  Osmorhiza chilensis Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4018 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
  RSA325153  Osmorhiza occidentalis M. S. Taylor 1981-6-17 3929 Plumas On north side of Coldwater Springs, ca. 1/4 mile E of its junction with 25N49, ca. 14 air miles N of Blairsden 2073 Comment
  CHSC28435  Packera cana J. D. Jokerst 1979-6-23 269 Plumas Along borders of first meadow S. of intersection of Meadow Valley Cr. and Forest Service Rd. to Deanes Valley (S. of road between Bucks Lake and Quincy). Comment
  CAS-BOT-BC316903  Packera eurycephala var. lewisrosei Thomas H. Harris 1969-8-14 s.n. Plumas the ridge between Grizzly and Soda Creeks, ca. 6 miles southwest of Humbug Valley, 9 miles southwest of Lake Almanor. 1432 Comment
  CAS-BOT-BC317162  Packera subnuda var. subnuda John Thomas Howell; Gordon H. True; W. Knight; Irja Knight 1967-5-7 1877 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC121009  Paeonia brownii Alice Eastwood 1927-6-13 14540 Plumas United States Forest Reserve, near Greenville Comment
  SEINET5337440  Paeonia brownii R. J. Holl 1948-5-16 14 Plumas 3 miles west of Beckwith. 1615 Comment
  SJSU14348  Paeonia brownii N. A. Hopkins 1990-5-12 1611 Plumas on rd to Genessee c. 16 mi NW of Beckwourth 1676 Comment
  UCD32831  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 b Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  UCD32834  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7164 a Plumas Lassen National Park, Drakesbad. 1/8 mile S of guest houses, slope above Hot Springs Creek, edge of warm water from hot springs. 1676 Comment
  UCD32835  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7164 b Plumas Lassen National Park, Drakesbad. 1/8 mile S of guest houses, slope above Hot Springs Creek. 1676 Comment
  CAS-BOT-BC253744  Panicum capillare John Thomas Howell 1959-9-21 34747 Plumas N Fork Feather River near Belden 701 Comment
  UCD89523  Panicum capillare John Thomas Howell 1960-7-20 35761 Plumas Lassen Volcanic National Park. Boilings Springs Lake. 1798 Comment
  SD8413  Parnassia palustris Mrs. R. M. Austin 1879-1 Plumas Mt. Dyer, Big Meadows Comment
  HSC20244  Parnassia palustris W. R. Rogers 1966-8-27 206 Plumas Plumas Eureka State Park. Comment
  RSA59337  Parnassia palustris var. californica E. K. Balls 1950-9-10 15778 Plumas Trail from Lakes Center Public Camp to Long Lake outlet, 2 miles from camp. Southern Plumas County. 2012 Comment
  CHSC21540  Pedicularis attollens D. Brink; L. Mayer 1975-7-25 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC37193  Pedicularis attollens L. Ahart 1982-7-30 3738 Plumas Along edges of stream in a small meadow near rd, ca. 2 mi n of hardquartz Mine, ca. 5 mi s of Bucks lake. 1700 Comment
  SEINET13754326  Pedicularis attollens A. A. Heller, P. B. Kennedy 1907-7-9 8795 Plumas Prattville. Comment
  UC1075713  Pedicularis groenlandica Robert J. Weatherby 1955-6-26 1559 Plumas near Lakes Ranger Station; Lakes Basin 1981 Comment
  CHSC108120  Pedicularis racemosa Lowell Ahart 2011-9-17 17666 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  UC485726  Pedicularis semibarbata H. E. and S. T. Parks 1928-6-20 237 Plumas e side of Mount Lassen (Drakesbad) Comment
  CHSC36311  Pellaea brachyptera M. S. Taylor 1982-6-17 4699 Plumas At end of 23N49Y, ca. 2 air mi w of White Cap, ca. 5 air mi sw of Sloat. 1645 Comment
  CHSC93173  Pellaea brachyptera L. P. Janeway 1994-5-24 4650 Plumas Northern High Sierra Nevada. Owl Creek, 1.5 mi west of Seneca. 1371 Comment
  UCR95855  Pellaea brachyptera Mrs. R. M. Austin 1877-1 s.n. Plumas [Northern Sierra Nevada Mtns.] 1880 Comment
  CAS-BOT-BC67614  Pellaea bridgesii Emily K. Mcpherson 1976-11-7 76- 32 -10 Plumas Sierra Nevada - 5 miles north of Beckworth - Portola Quad. 2055 Comment
  CAS-BOT-BC67589  Pellaea mucronata Mrs. R. M. Austin 1877-11-1 s.n. Plumas Quincy Comment
  UC1861788  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 2001-7-21 1078 Plumas Hwy 70, across North Fork of Feather River from P.G.& E. E. Rogers Flat facility. 670 Comment
  RSA59311  Penstemon deustus E. K. Balls 1950-9-14 15795 Plumas Hwy 89, along Indian Creek, 1.5 mi from jct with Hwy 24. 915 Comment
  SEINET6225247  Penstemon deustus L. S. Rose 1967-1 67173 Plumas 1 mi S of Keddie, Butterfly Creek & Spanish Creek Comment
  RSA169433  Penstemon deustus subsp. deustus L. S. Rose 1963-6-2 63082 Plumas 4 mi. w. of Virgilia. East branch, North Fork of Feather River. 762 Comment
  UC1017704  Penstemon deustus var. deustus Marion Ownbey and Ruth P. Ownbey 1938-7-14 1738 Plumas gravelly slide below Humboldt Summit; Sierra Nevada, below Humboldt Summit Comment
  JEPS11231  Penstemon deustus var. pedicellatus W. L. Jepson 1939-8-12 19382 Plumas Ferris Creek , branch of Last Chance Creek (branch of Last Chance Creek) 1767 Comment
  UC1567369  Penstemon deustus var. pedicellatus G. Schoolcraft 1989-7-3 1937 Plumas s Red Rock Lookout; Diamond Mtns. 2194 Comment
  NY591807  Penstemon deustus var. pedicellatus J. M. Coulter 1876-1 7994 Plumas Comment
  CHSC21300  Penstemon deustus var. suffrutescens F. T. Griggs; A. Pass 1975-7-8 109 Plumas Buck's Lake Forest Service Survey. Comment
  NY609831  Penstemon deustus var. suffrutescens W. I. Follett 1946-5-24 142 Plumas Chips Creek at North Fork Feather River 670.6 Comment
  NY609834  Penstemon deustus var. suffrutescens F. M. Ownbey 1938-7-14 1738 Plumas Below Humboldt Summit, Sierra Nevada Comment
  NY609838  Penstemon deustus var. suffrutescens J. L. Reveal 1971-6-23 2470 Plumas Along California highways 70 and 89, 2.2 miles north of Kedde and about 1 mile north of the bridge over Spanish Creek Comment
  NY600725  Penstemon gracilentus D. W. McNeal 1991-7-26 3854 Plumas Beside the trail from Lakes Basin C.G. to Mt. Elwell, 100 m. east of Silver Lake. Comment
  CAS-BOT-BC264358  Penstemon heterodoxus var. heterodoxus Mrs. C. E. Sutcliffe 1914-8-1 s.n. Plumas Gold Lake Region Comment
  NY601595  Penstemon heterodoxus var. shastensis B. J. Ertter 1989-7-3 8672 Plumas Diamond Moutain peak, ca. 7 airmiles south of Susanville 2286.0 Comment
  OBI72059  Penstemon laetus Barbara Ertter, Gary Schoolcraft 1989-7-3 8652 Plumas Below Red Rock lookout, ca 8 airmiles S of Susanville 2256 Comment
  UCR78374  Penstemon laetus Barbara Ertter, Gary Schoolcraft 1989-7-3 8652 Plumas Below Red Rock Lookout, c. 8 mi south of Susanville 2256 Comment
  SEINET3160444  Penstemon lemmonii E. K. Balls 1950-9-5 15684 Plumas Thompson Creek, main trail off La Porte rd., turn off Hwy 24, E of Quincy 1524 Comment
  CHSC64467  Penstemon neotericus B. Castro; L. Gehrung 1994-8-4 540 Plumas Ca 1.1 air mi SSE of Bucks Lake, ca 0.1 mi S of the Oro-Quincy Hwy, along the N-trending drainage E of Daniel's Ck (named S. Fork Haskins Ck on some maps). S of confluence of two channels, at old road crossing, near W branch of stream. 1639 Comment
  NY627265  Penstemon neotericus G. Schoolcraft 1981-7-9 502 Plumas East slope of Roop Mountain 2011.7 Comment
  NY627273  Penstemon neotericus K. A. Vincent 1987-6-25 4432 Plumas Sierra Nevada, Tobin Ridge, North Fork Feather River Canyon; along west side of CA 70, ca. 7.4 miles southwest of Beldon Town. 640.1 Comment
  RSA32330  Penstemon neotericus C. R. Quick 1945-7-25 45 -73 Plumas Butt Creek Plots. Along road toward Humbug Valley. Comment
  CDA12150  Penstemon newberryi G. F. Hrusa, J. Dinsdale 1989-6-25 7197 Plumas Sierra Nevada; Bucks lake north shore. Comment
  CHSC46663  Penstemon newberryi Lowell Ahart 1989-7-2 6335 Plumas On the north side and near summit of Pilot Peak, about 10 miles northeast of La Porte. 2255 Comment
  CAS-BOT-BC239294  Penstemon newberryi var. berryi Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  UC565924  Penstemon newberryi var. newberryi F. W. Embree 1934-6-6 75 Plumas 1 mi s, 0.25 mi w Rutherford; Bidwell Bar Quad. 1615 Comment
  CAS-BOT-BC245640  Penstemon personatus Lowell Ahart 1980-7-27 2488 Plumas 5 miles east of Bucks Lake, Sierra Nevada 1500 Comment
  CAS-BOT-BC245642  Penstemon personatus Wayne Dakan 1970-7-1 s.n. Plumas Mt. Ararat, Sierra Nevada Comment
  CHSC60155  Penstemon roezlii L. P. Janeway 1992-6-8 4222 Plumas Plumas National Forest. About 3 mi south of Hwy 70/89 at Lee Summit. 1359 Comment
  CHSC82513  Penstemon roezlii Lowell Ahart 2002-6-26 9775 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
  JEPS119949  Penstemon roezlii Lowell Ahart 2012-9-5 18446 Plumas Road edge where the County Road crosses the South Fork of the Feather River, about 1 mile (air) southwest of Pilot Peak, about 8 1/4 miles (air) northeast of La Porte. Comment
  UC690332  Penstemon roezlii David D. Keck 1928-6-14 443 Plumas Cromberg Sierra Nevada, Cromberg 1249 Comment
  CAS-BOT-BC239587  Penstemon rydbergii var. oreocharis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54177 Plumas Long Valley at road to Maxwell Mine 1633 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
  NY651260  Penstemon rydbergii var. oreocharis J. T. Howell 1981-6-23 54177 Plumas Long Valley at road to Maxwell Mine 1633.7 Comment
  SEINET5329700 Image available Penstemon rydbergii var. oreocharis A. A. Heller, P. B. Kennedy 1907-7-5 8735 Plumas Red Clover Valley Comment
  CDA13919  Perideridia bolanderi G. F. Hrusa 1997-5-3 13842 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
  SEINET10454546  Perideridia bolanderi Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3865 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  UCD127830  Perideridia bolanderi M. S. Taylor 1982-6-21 4706 Plumas Eureka Ridge Road (23N09), ca. 1/4 miles west of spring, White Cap, ca. 3 air miles southwest of Sloat. Comment
  CHSC117007  Perideridia bolanderi subsp. bolanderi Lowell Ahart 2016-6-29 21068 Plumas Top of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CAS-BOT-BC211298  Perideridia gairdneri subsp. gairdneri Lowell Ahart 1981-7-21 2989 Plumas Along La Porte Quincy Road, Pilot Peak 2000 Comment
  CHSC40226  Perideridia howellii Vernon Oswald 1985-7-8 1889 Plumas Drakesbad, trail to Devil's Kitchen on the s side of Falls Creek slightly e of the level of the swimming pool at the resort. 1731 Comment
  CHSC102705  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
  UC174184  Perideridia lemmonii Katharine Brandegee Plumas Portola Comment
  CHSC34360  Perideridia parishii subsp. latifolia M. S. Taylor 1981-7-17 4030 Plumas Lakes Basin, Bear Lakes trail, ca. 1/4 mi of the trailhead, ca. 6 air mi s of Mohawk. 1950 Comment
  CHSC45878  Perideridia parishii subsp. latifolia Lowell Ahart 1977-8-2 1534 Plumas Along the edge of a small stream, about 1 mile west of Pilot Peak, about 15 miles north of La Porte. 1828 Comment
  UC1542919  Perideridia parishii subsp. latifolia G. Schoolcraft 1987-6-17 1744 Plumas about 2 mi n Chester 1402 Comment
  CAS-BOT-BC413555  Persicaria amphibia V. Oswald; L. Ahart 1988-8-4 3668 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park 1676 Comment
  CAS-BOT-BC413733  Persicaria hydropiper Lowell Ahart 1981-9-6 3069 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CAS-BOT-BC419239  Persicaria maculosa John Thomas Howell 1951-8-19 28194 Plumas Greenville 1097 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
  UC1552741  Phacelia californica Frederica Bowcutt 1985-6-6 556 Plumas along Beckwourth Genesee Rd 1.8 mi n Drum Bridge (about 15 air mi n of Quincy); Plumas National Forest Comment
  UC1208874  Phacelia hastata C. W. Hanks 1934-8-6 3 Plumas Upper Sierra Valley Plumas National Forest, Sierraville Quadrangle 1554 Comment
  JEPS2077  Phacelia heterophylla subsp. virgata W. L. Jepson 1939-8-8 19357 Plumas Quincy Comment
  UC1602017  Phacelia heterophylla subsp. virgata C. G. Albertus 1935-8-2 240 Plumas Big Hill Plumas National Forest, Downieville Quadrangle (s slope) Comment
  UC1537538  Phacelia humilis Gordon H. True 1938-5-24 965 Plumas Rowland's Cabin Dixie Valley 1798 Comment
  RSA537467  Phacelia humilis var. humilis Barbara Ertter, Gary Schoolcraft 1989-7-3 8636 Plumas Near Bear Creek crossing on Lone Rock road, Diamond Mts ca 9 airmiles S of Susanville. 1768 Comment
  RSA8050  Phacelia humilis var. humilis H. A. Barker 1927-7-3 761 Plumas Blairsden. 1372 Comment
  UCD120536  Phacelia humilis var. humilis Kim Nixon 1977-5-29 48 a Plumas Bird Creek Road, 0.2 mile north of Greeno Road, 7.2 miles east of Doyle. 1950 Comment
  CHSC43328  Phacelia mutabilis Lowell Ahart 1976-7-7 1160 Plumas Along Cold Water Creek, east of the camp, about 1/10 mile south of Arkansas Ravine, about 4 miles south of Grizzly Mountain. 1767 Comment
  JEPS107706  Phacelia mutabilis Lowell Ahart, John Dittes 2005-9-19 12407 Plumas Along the sides of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1998 Comment
  JEPS1140  Phacelia mutabilis W. L. Jepson 1927-6-23 12303 Plumas Warner Creek 1584 Comment
  SEINET12249489  Phacelia mutabilis Unknown 1976-1 1161 Plumas by Cold Water Creek, ca 4 mi S of Grizzly Mt 1524 Comment
  CHSC58190  Phacelia procera Vernon H. Oswald; Lowell Ahart 1992-6-22 5010 Plumas Lassen Volcanic National Park. Willow Lake-Terminal Geyser Trail just W of Hot Springs Creek. 1658 Comment
  CHSC73782  Phacelia procera B. Castro; L. Gehrung 1998-9-22 840 Plumas Near NW edge of Little Grass Valley Reservoir, on shaded SE-facing slope above Black Rock Inlet. 1722 Comment
  CHSC76057  Phacelia procera G. F. Hrusa; T. D. Wilfred 1996-7-9 13193 Plumas Grizzly Campground, S of Bucks Lake on Hwy 162. [Original lat./long. on label is '39 52 N; 121 10 W']. 1600 Comment
  CHSC65106  Phacelia racemosa Vernon H. Oswald; Lowell Ahart 1995-7-24 7117 Plumas N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  JEPS100370  Phacelia racemosa Dean W. Taylor 2001-6-6 17777 Plumas ridge about 1 mile North of Lexington Hill (ca. 1.5 air miles NW of La Porte) 1706 Comment
  JEPS102766  Phalaris arundinacea Lowell Ahart 2001-8-28 9191 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, on the west side of the poor dirt road, about 3/4 mile NE of Chester. 1371 Comment
  SEINET208633  Philadelphus californicus Lewis S. Rose 1967-7-9 67139 Plumas Caribou, North Fork, Feather River. 914 Comment
  SEINET892448 Image available Philadelphus californicus Lewis S. Rose 1967-1 67139 Plumas Caribou, North Fork, Feather River 914 Comment
  CHSC11347  Philadelphus lewisii Lowell Ahart 1970-7-2 Plumas 12 miles E. of Pulga. 762 Comment
  UC725479  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas on Hwy 24 near Grizzly Dome Tunnel 609 Comment
  RSA0046807  Philadelphus lewisii L. S. Rose 1967-7-9 67139 Plumas Caribou, North Fork, Feather River. 915 Comment
  CHSC97147  Phlox diffusa Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13984 Plumas East side of an open rocky flat, about 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CHSC98755  Phlox diffusa L. P. Janeway 2007-8-13 9178 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. 1786 Comment
  UCD118459  Phlox diffusa Michael A. Vincent 1999-6-7 8520 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  RSA39897  Phlox diffusa subsp. diffusa P. A. Munz 1947-5-16 11818 Plumas 5 Miles north of Chilcoot. 1524 Comment
  CHSC117488  Phlox douglasii Lowell Ahart 2016-6-29 21070 Plumas Top of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  UC908606  Phlox gracilis Herbert L. Mason 1924-6-18 1049 Plumas near Feather River; Graeagle Comment
  CAS-BOT-BC60678  Phoenicaulis cheiranthoides Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake. 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
  CAS-BOT-BC135163  Phoradendron juniperinum M. S. Taylor 1982-5-17 4464 Plumas N side of 22N55, near its jct with 22N88 & 22N54, ca. 2 mi SE of Portola, on ridges below Beckwourth Peak 1706 Comment
  CAS-BOT-BC58842  Phyllodoce breweri Anna Head 1921-1-1 s.n. Plumas Feather River Region - Lake Center Camp Comment
  CHSC73944  Phyllodoce breweri Julia Green 1996-7-11 Plumas Ca 3 air mi SW of Bucks Lake, on S flank of Red Mtn, ca 0.3 mi SW of USFS Rd 23N69. 1825 Comment
  SJSU735  Pinus contorta subsp. murrayana A. Retan 8/1941 Plumas Bucks Lake 1572 Comment
  CAS-BOT-BC78693  Pinus jeffreyi Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Salmon Lake Comment
  CAS-BOT-BC73079  Pinus lambertiana M. B. Kildale 1926-9-11 2761 Plumas Lassen Natl. Park, Juniper Lake. 2054 Comment
  CHSC55465  Pinus lambertiana Ben Cunningham 1991-4-20 25 Plumas Ca 90 ft west of Pecks Valley Road and 2 mi northeast of Greenville. 1066 Comment
  NY43572  Pinus lambertiana J. B. Walker 1994-8-2 867 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
  CHSC32019  Pinus monticola L. Ahart 1974-10-1 644 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
  CHSC45829  Pinus ponderosa Lowell Ahart 1974-10-4 656 Plumas Along the edge of a dirt road near Grouse Hollow Creek, along a road near Skyhigh, about 20 miles north-east of Oroville. 1066 Comment
  RSA79259  Pinus ponderosa E. K. Balls, P. C. Everett 1952-10-9 18133 Plumas E shore of Lake Almanor, 6.5 mi N of south tip of lake, Hwy 89 between Greenville and Westwood. 1220 Comment
  UCD133284  Pinus ponderosa Beecher Crampton 1960-6-21 5742 Plumas Gurnsey Creek. 3.5 miles E of Child's Meadow, along State Hwy. 36. 1463 Comment
  JEPS28591  Piperia unalascensis George W. Gillett 1957-7-13 749 Plumas meadows across creek from Devil's Kitchen (Lassen Volcanic National Park); Lassen Volcanic National Park 1859 Comment
  SEINET3891743  Piperia unalascensis D. W. McNeal 1991-7-25 3850 Plumas Beside the Jamison Lake Trail, between Grass and Jamison Lakes, Lakes Basin.; 0 Comment
  UC127441  Plagiobothrys A. A. Heller with P. B. Kennedy 1907-7-2 8682 Plumas between Vinton and Peckwith Comment
  CHSC23610  Plagiobothrys cognatus K. Stern 1975-7-24 Plumas SW side of Lake Almanor. Comment
  CHSC113930  Plagiobothrys cusickii Lowell Ahart 2014-8-20 19712 Plumas Near springs on the east edge of Lake Almanor, about 200 yards north of the causeway across Lake Almanor, about 1-1/4 miles east of Chester. 1386 Comment
  JEPS114614  Plagiobothrys cusickii Lowell Ahart 2008-9-10 15394 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte 1537 Comment
  CAS-BOT-BC230991  Plagiobothrys hispidulus Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mount Lassen National Park Comment
  CHSC43397  Plagiobothrys hispidulus Lowell Ahart 1979-7-18 1986 Plumas In a small meadow along the road to Cleghorn Bar, about 2 miles north-west of Pilot Peak, about 12 miles north of La Porte. 1645 Comment
  CHSC97187  Plagiobothrys hispidulus Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14059 A Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  UC78228  Plagiobothrys hispidulus T. S. Brandegee 1892-7-3 Plumas Prattville Comment
  RSA39779  Plagiobothrys scouleri var. hispidulus P. A. Munz 1947-5-16 11826 Plumas 8 miles north of Chilcoot. 1524 Comment
  UC172833  Plagiobothrys tenellus A. A. Heller 1913-6-13 10842 Plumas near Marston Station 1066 Comment
  SBBG21828  Platanthera dilatata var. leucostachys D. Myrick 1964-7-21 899 Plumas Drakesbad 1737 Comment
  SEINET10470057  Platanthera dilatata var. leucostachys Mary Susan Taylor 1974-1 Plumas Comment
  CHSC2349  Platanthera leucostachys R. Calkins 1931-7-1 Plumas Na Wa Kwa Camp near Longville. 1310 Comment
  JEPS103503  Platanthera sparsiflora Lowell Ahart 2002-7-6 9852 Plumas In a small meadow, ca 100 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
  CAS-BOT-BC293719  Plectritis congesta subsp. brachystemon Mona Bourell; Bob Patterson 1982-5-15 1734 Plumas Beckworth [Beckwourth] Pass Comment
  JEPS113595  Plectritis macrocera Lowell Ahart, Josephine Guardino 2007-7-20 14319 Plumas South of a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  UCD137603  Plectritis macrocera Matt Georgeff 1992-5-17 15 Plumas Snake Lake Campgrounfd, 15 miles W of Quincy, 0.5 mile from base camp. Comment
  SEINET10506955  Poa Mary Susan Taylor 1981-5-14 Taylor 3722 Plumas T23N R6E se sec 33, Pulga SE quad. Walker Plains, both sides of Oroville- Quincy Hwy, ca. 0.5 mi S of Four Trees Rd jct, on Butte-Plumas county line, ca. 2 mi N of Merrimac. 5000 ft; on volcanic cobbles and cliffs. 1524 Comment
  CAS-BOT-BC254614  Poa X limosa Lewis S. Rose 1954-5-30 54078 A Plumas Beckwourth 1524 Comment
  CAS-BOT-BC254765  Poa bolanderi John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54399 Plumas Grizzly Summit, 6 miles SW of Bucks Lake 1676 Comment
  CAS-BOT-BC254965  Poa bulbosa L. P. Janeway; Garrett Gibson 1991-6-20 4055 Plumas 3.5 miles SW of Portola, ca 0.33 mile W of Middle Fork Feather River and ca 300 feet E of Highway 70 1484 Comment
  CDA18668  Poa bulbosa G. D. Barbe, T. C. Fuller 1982-6-15 3736 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 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
  SEINET10593528  Poa bulbosa R. K. Brummitt 1998-5-17 Brummitt 19879 Plumas Rte. 89 near Inkian Falls, 2 km from Rte. 70 junction; roadside shale in valley bottom. Comment
  CAS-BOT-BC255093  Poa compressa David D. Keck 1944-7-8 5438 Plumas 1 mile NW of Greenville 1097 Comment
  CDA13365  Poa compressa G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13214 Plumas Sierra Nevada; Moist, shaded creekbed of Rattlesnake Creek on S side of Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Perennial, uncommon here. Comment
  UCD90898  Poa cusickii A. A. Heller; P. B. Kennedy 1907-7-5 8751 Plumas Red Clover valley. Comment
  CAS-BOT-BC255145  Poa cusickii subsp. epilis Mrs. H. C. Cantelow 1941-5-19 s.n. Plumas Near Frenchman Creek NE of Beckwourth 1828 Comment
  RSA716419  Poa palustris L. Ahart 2005-9-19 12371 Plumas on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2077 Comment
  UCD91798  Poa palustris John Thomas Howell 1960-7-19 35627 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  RSA201374  Poa palustris J. T. Howell 1960-8-20 36277 Plumas Drakesbad 1677 Comment
  RSA718439  Poa pratensis L. Ahart 2006-7-9 12925 Plumas About 100 yrds north of paved basalt road, About 3.75 mi (air) NW of Tamarack Flat, About 5.75 mi (air) NW of Little Grass Valley Reservoir 1679 Comment
  CHSC97569  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2007-6-17 14189 Plumas Meadow, 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
  JEPS115901  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16105 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
  SEINET10822312  Poa scabrella A. Arthur Heller 1907-7-3 Heller 8711 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC242974  Poa secunda subsp. secunda A. A. Heller; P. B. Kennedy 1907-7-3 8706 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC242980  Poa secunda subsp. secunda Greg Sommers 1976-7-1 140 Plumas Sierra Valley Marsh, roadside along Dyson Lane 1524 Comment
  CHSC100881  Poa secunda subsp. secunda L. P. Janeway; B. Castro 2008-6-8 9397 Plumas Northern High Sierra Nevada. Northeast side of middle of Lower Thompson Valley, about 1.8 km north of Red Clover Creek and about 10 m northeast of the Thompson Valley Creek. 1670 Comment
  CHSC101859  Poa secunda subsp. secunda Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15891 Plumas About 200 yards northwest of Lake Almanor Dam, in mined over area. 1421 Comment
  CHSC44590  Poa secunda subsp. secunda Lowell Ahart 1979-7-18 1980 Plumas Along the road just before it crosses Onion Valley Creek, at Onion Valley, about 1 mile north-west of Pilot Peak, about 15 miles north-east of La Porte. 1828 Comment
  UC1132855  Poa secunda subsp. secunda E. Sawyer 1935-5-23 33 Plumas 1 1/2 mi sse Kerby; Sierraville Quadrangle Comment
  UCD32540  Poa secunda subsp. secunda Beecher Crampton 1954-5-10 1862 Plumas 1.5 miles NE of Portola. 1524 Comment
  UCD91634  Poa secunda subsp. secunda August L. Hormay 1932-6-9 s.n. Plumas Squaw Queen Valley, near Crocker Ranger Station, Plumas National Forest. Comment
  UCD91635  Poa secunda subsp. secunda August L. Hormay 1932-6-11 s.n. Plumas Long Canyon, Plumas National Forest, near RR plots. 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-BC6512  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
  CHSC118776  Poa wheeleri Chelsea Morgan; Wendy L. Boes 2015-5-25 2015 -004 Plumas Plumas National Forest. On the hillside south of Silver Creek, about 1 mi. downstream from the junction with Jack Meadow Creek, north of Forest Service road 24N29X. (UTM 658936 E, 4437694 N, NAD83 Zone 10N.) 1400 Comment
  CHSC97099  Polygonum aviculare Lowell Ahart; Josephine Guardino 2007-7-21 14375 Plumas Along a small dry drainage, about 5 yards south of the Beckwourth Taylorsville Road, about 1/4 miles (air) northwest of the most northwest part of Lake Davis. 1813 Comment
  JEPS81644  Polygonum aviculare subsp. depressum M. S. Taylor 1982-9-13 5135 Plumas vicinity of Calpine Rd (109) bridge Portola quad., Feather River, Ramelli Ranch (base, ca 1 mi w of Beckwourth) 1487 Comment
  CAS-BOT-BC414545  Polygonum douglasii Clare B. Hardham 1978-8-11 21777 b Plumas About 5 miles se. of Thompson Peak Comment
  RSA0118634  Polygonum douglasii Lowell A. Ahart 2014-8-24 19744 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
  CHSC91914  Polygonum douglasii subsp. douglasii Lowell Ahart; Josephine Guardino 2005-8-9 12279 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC97628  Polygonum douglasii subsp. douglasii Lowell Ahart; John Dittes 2007-6-16 14091 Plumas On dry 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
  JEPS113605  Polygonum douglasii subsp. douglasii Lowell Ahart, John Dittes 2007-6-16 14091 Plumas On dry 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
  CHSC96923  Polygonum douglasii subsp. johnstonii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13989 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
  JEPS113780  Polygonum douglasii subsp. johnstonii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13989 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
  JEPS102551  Polygonum lapathifolium Lowell Ahart 2001-10-16 9373 Plumas On the NW side of Round Valley Reservoir, just below the road, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS122295  Polygonum minimum Lowell Ahart 2014-8-31 19800 Plumas In and along the sides of Black Rock Creek, about 200 yards south of the foot bridge across Black Rock Creek, about 200 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  NY412746  Polygonum minimum R. M. Austin 07 1877 s.n. Plumas Spanish Peak Comment
  UCD100469  Polygonum minimum G. F. Hrusa 1992-10-8 10503 Plumas Bucks Lake Wilderness. 1828 Comment
  JEPS48944  Polygonum phytolaccifolium Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2072 Comment
  JEPS28653  Polygonum phytolaccifolium George W. Gillett 1957-7-19 848 Plumas on trail to Sifford Lakes about 1 1/4 mi above the Devils Kitchen; Lassen Volcanic National Park 2057 Comment
  JEPS48671  Polygonum phytolaccifolium Esther C. Fritz 1933-7-28 Plumas Schneider meadow Camp Califorest (below camp) 1188 Comment
  SEINET10479673  Polygonum phytolaccifolium Mary Susan Taylor 1981-7-17 Taylor 4033 Plumas T21N R12E se sec 7, Sierra City quad. Lakes Basin area, Bear Lakes trail, 0.5 mi S of jct of trail to Gold Lake Lodge, ca. 6 air mi S of Mohawk; dry, open forest and outcrops; 6500 ft elev. 1981 Comment
  CAS-BOT-BC419887  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1955-7-20 30869 Plumas Mohawk 1371 Comment
  CHSC97575  Polygonum polygaloides subsp. confertiflorum Lowell Ahart; John Dittes 2007-6-17 14203 Plumas Gravel bar along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CAS-BOT-BC420044  Polygonum polygaloides subsp. kelloggii M. S. Taylor 1982-6-21 4707 Plumas Off Eureka Ridge Rd (23N09), ca. 1/4 mi w of spring, w slope of White Cap, ca. 3 air mi sw of Sloat. 1859 Comment
  SEINET10479787  Polygonum sawatchense Mary Susan Taylor 1982-9-8 Taylor 5112 Plumas T26N R9E. Greenville quad. Round Valley Reservoir, ca. 4 air mi s of Greenville. 4500 ft. 1372 Comment
  CAS-BOT-BC421036  Polygonum spergulariiforme John Thomas Howell 1955-7-19 30805 Plumas Vinton 1505 Comment
  CAS-BOT-BC421038  Polygonum spergulariiforme Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC72022  Polypodium calirhiza John Thomas Howell 1967-6-23 42731 Plumas Lewisia Rock 3.5 miles SW. of Belden, Feather River Canyon 609 Comment
  CAS-BOT-BC237461  Polypogon viridis John Thomas Howell 1959-9-26 35069 Plumas Near Soda Spring, Feather River Canyon 682 Comment
  CAS-BOT-BC72115  Polystichum Wayne Dakan 1976-6-1 s.n. Plumas near Bucks Lake 1584 Comment
  CHSC9712  Polystichum imbricans Nancy Mosman 1971-7-11 79 Plumas On w side ca. 1.3 mi s of Belden turnoff and Hwy 70. 1025 Comment
  POM120960  Polystichum imbricans R. M. Austin 1876-1 s.n. Plumas [no locality information provided] Comment
  NY149451  Polystichum imbricans R. M. Austin 09 1875 s.n. Plumas Comment
  JEPS124292  Polystichum imbricans subsp. curtum Lowell Ahart 2015-10-23 20577 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
  UC339340  Polystichum imbricans subsp. imbricans J. G. Lemmon and wife June 1889 Plumas Mohawk Valley Comment
  SBBG121615  Polystichum imbricans subsp. imbricans L. Ahart 2006-10-23 13470 Plumas W side of Slate Crk, ca. 50 yards N of where the rd ends, ca. 100 yards N of the dam across Slate Crk, ca. 1/8 mi NE of Scales Rd, ca. 5.5 mi NE of Strawberry Valley 1281 Comment
  UC123318  Polystichum imbricans subsp. imbricans Mrs. R. M. Austin 1875-1 310 Plumas Soda Springs Comment
  JEPS97804  Polystichum lemmonii R. Raiche 1988-7-4 80243 Plumas Red Hill (N of Rich Bar) 0.8 mi NW of Deadwood Saddle; Feather River Canyon 1481 Comment
  RSA0088244  Polystichum munitum Bonnie C. Templeton 1968-6-8 11222 Plumas Twain Road, 2 mi. w. of Butterfly Valley and 12 mi. w. of Quincy. 1067 Comment
  CHSC36918  Polystichum scopulinum M. S. Taylor 1982-6-19 4617 Plumas S side of Bucks Lake Rd, just e of Deanes Valley Rd, ca. 1.0 mi nw of Meadow Valley. 1127 Comment
  JEPS87813  Polystichum scopulinum Lowell Ahart 1994-7-22 7492 Plumas nw side of large twin rocks on ne side of Mt, Etna (s of Pacific Crest Trail) 1981 Comment
  CAS-BOT-BC72504  Polystichum scopulinum H. F. Copeland 1920-8-24 223 Plumas near Big Summit divide of Butte, Tehama, and Plumas Co.'s 1828 Comment
  RSA59907  Populus trichocarpa E. K. Balls 1950-9-14 15822 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  UC1134807  Populus trichocarpa C. G. Albertus 1935-7-27 233 Plumas 1 1/2 mi se Cromberg; Plumas National Forest, Downieville Quadrangle Comment
  CDA39483  Populus trichocarpa L. Ahart 2001-6-4 8751 Plumas On the edge of the South Fork of the Feather River, about 1/4 mile northeast of the Feather Fork Mine, about 2 miles northeast of Little Grass Valley Reservoir, about 6 miles (air) northeast of La Porte. Comment
  CHSC85001  Porterella carnosula L. P. Janeway; B. Castro 2003-9-7 7985 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/ slough/meadow complex between Hidden Lakes and Beauty Lake, 1.1 km south of Long Lake. 2063 Comment
  SEINET10460763  Porterella carnosula Austin AUSTIN s.n. Plumas Big Meadows Comment
  JEPS100341  Potamogeton epihydrus subsp. nuttallii Dean W. Taylor 2001-6-28 17825 Plumas 2 air mi E of Frenchman Lake (Snow Lake); Sierra Nevada, Diamond Mountains 1859 Comment
  RSA52943  Potamogeton foliosus R. Weatherby 1950-7-28 1492 Plumas Snake Lake, near Quincy. 1220 Comment
  RSA246637  Potamogeton natans Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42332 Plumas Butterfly Valley Botanic Area: Partly in Plumas National Forest. 1159 Comment
  UC1609492  Potamogeton natans Vernon H. Oswald and Lowell Ahart 1993-8-11 5783 Plumas Domingo Lake 0.5 mi s of Willow Lake (1 mi s of Lassen Volcanic National Park); Domingo Lake 1767 Comment
  CAS-BOT-BC453790  Potamogeton natans Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1421 Plumas Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC453792  Potamogeton natans John Thomas Howell 1961-9-23 36860 Plumas Indian Valley 1082 Comment
  RSA0089042  Potentilla ashlandica Bonnie C. Templeton 1968-6-9 11249 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  CHSC65382  Potentilla bruceae Lowell Ahart 1995-9-13 7636 Plumas On the north-west side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  CDA18444  Potentilla glandulosa G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3146 b Plumas Sierra Nevada; 3.25 mi west of Round Valley Reservoir Dam; 0.25 mil east of jct with road to Canyon Dam (i.e. south arm of Lake Almanor). 1633 Comment
  SD129309  Potentilla glandulosa B. Pitzer, S. Morgan, H. Soldan 1988-5-29 955 Plumas Plumas National Forest, ca. 6 mi. N of Gold Lake on Gold Lake Road, and 2.6 mi. S of junction with Hwy 89 1829 Comment
  RSA611286  Potentilla glandulosa subsp. hansenii Joseph A. Ewan 1934-7-17 8533 Plumas Ready Bullion Mine, Bear Lake, Mt. Elwell Region. 1982 Comment
  JEPS125977  Potentilla glandulosa subsp. reflexa D. W. Taylor 2001-6-20 17802 Plumas Plumas National Forest; ridge dividing Middle Creek from Indian Creek, ca 2.5 air miles SSW of Antelope Lake Dam. Comment
  UC1128231  Potentilla gracilis F. W. Embree 1934-6-12 110 Plumas w end Haskins Valley; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  SEINET10838442  Potentilla gracilis subsp. nuttallii Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4656 Plumas T27N R12E sw/nw sec 12. Antelope Lake quad. In wet Montane Mdw, Pioneer Mdw, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. 5040 ft. 1536 Comment
  CAS-BOT-BC540076  Potentilla gracilis var. fastigiata Rimo Bacigalupi 1927-7-11 1705 Plumas Grassy Lake meadows, Gold Lake Region 1889 Comment
  UC191278  Potentilla millefolia unknown 1892-7-4 Plumas Prattville Comment
  SEINET6637082  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
  CHSC20762  Potentilla rivalis K. R. Stern 1975-7-23 5887 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC81148  Potentilla rivalis Lowell Ahart 2001-8-29 9236 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC47619  Primula suffrutescens G. L. Stebbins 1970-7-24 7073 Plumas Northwest of Round Lake, Lakes Basin, south of Gray Eagle. 2164 Comment
  CAS-BOT-BC47620  Primula suffrutescens Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC20991  Prunella vulgaris var. lanceolata F. T. Griggs; A. Pass 1975-7-11 156 Plumas Buck's Lake. Comment
  RSA52867  Prunella vulgaris var. lanceolata R. Weatherby 1950-7-7 1449 Plumas Gansner Creek, Quincy. 1220 Comment
  SD46646  Prunella vulgaris var. lanceolata Robert J. Weatherby 1950-7-7 1449 Plumas Gansner Creek, Quincy. In sun on moist soil of yellow pine forest. 1219 Comment
  CAS-BOT-BC158144  Prunus emarginata Anna Head 1921-6-25 s.n. Plumas Lake Center Camp, Feather River Region Comment
  CHSC21811  Prunus emarginata F. T. Griggs; A. Pass 1975-7-2 33 Plumas Buck's Lake. East of road. Comment
  POM181035  Prunus emarginata A. A. Heller 1907-7-15 8845 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  SEINET7406684  Prunus subcordata R. J. Holl 1948-4-20 25 Plumas 3 miles west of Chilcoot 1615 Comment
  CAS-BOT-BC154851  Prunus virginiana var. demissa Alice Eastwood 1927-6-12 14502 Plumas Forest Lodge, Greenville. United States Forest Reserve Comment
  SEINET7412554  Prunus virginiana var. demissa M. Ferguson, D. Matthews, C. Hoffman, J. Jaggers, B. Kalb, A. Onisko 2011-10-3 s.n. Plumas Grizzly Creek Ranch, near riparian area. Comment
  UCD113522  Prunus virginiana var. demissa H. B. Currier; W. R. Russell, J. M. Tucker 1951-8-1 2203 Plumas beside road to Buck's Lake, about 1 mile west of Quincy. Comment
  UCSB13454  Prunus virginiana var. demissa Breedlove, Dennis 1962-6-12 Plumas Upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC356504  Pseudognaphalium beneolens John Thomas Howell 1959-9-21 34797 Plumas Virgilia 841 Comment
  UC711925  Pseudognaphalium thermale Roxana S. Ferris and Laura Lorraine 1941-8-8 10412 Plumas near Storrie (canyon of north fork of Feather River, rocky road cut); North Fork Feather River Comment
  CDA18757  Pseudostellaria jamesiana G. D. Barbe, T. C Fuller 1982-7-16 3759 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
  JEPS87622  Pseudostellaria jamesiana Lowell Ahart 1994-7-7 7452 Plumas about 3/4 mi (air) se Pilot Peak (on Bunker Hill Ridge, on n side of Pacific Crest Trail); n side of Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  UC1950116  Pseudostellaria jamesiana Barbara Ertter 2001-7-21 17782 Plumas southeast Diamond Mountains northeast of Frenchman Lake, south branch of Galeppi Creek north of rhyolite plug (area otherwise granite) Comment
  CHSC98375  Pseudostellaria sierrae Dean Wm. Taylor 2004-5-26 19074 Plumas Round Valley Reservoir, along Forest Road 26N94Y 0.4 miles east of junction with County Road 204 (Dixie Canyon Road), eastern limits of Cherokee Mine (site). 1402 Comment
  RSA739843  Pseudostellaria sierrae Barbara Ertter, Gary Schoolcraft 1990-5-14 8984 Plumas E side of mountain above Crescent Mills, E of Round Valley Reservoir. 1372 Comment
  CAS-BOT-BC80159  Pseudotsuga menziesii Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1597 Plumas Fern Glen 1097 Comment
  SEINET10475096  Psilocarphus brevissimus Mary Susan Taylor 1982-6-10 Taylor 4634 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, in Sagebrush Scrub, ca. 1/4-1/2 mi e of Calpine Rd (109), ca. 0.5 mi sw of Beckwourth. Soils wet with forb cover under sagebrush. 4880 ft. 1487 Comment
  CAS-BOT-BC361779  Psilocarphus brevissimus var. brevissimus Alice Eastwood 1918-5-25 7002 Plumas Portola Comment
  UC1192097  Psilocarphus brevissimus var. brevissimus Malcolm A. Nobs and S. Galen Smith 1949-8-18 1375 Plumas just s Chester (at n end of Lake Almanor); Lake Almanor, Last Chance Marshes Comment
  CAS-BOT-BC361845  Psilocarphus oregonus Mary Strong Clemens 1920-6-7 s.n. Plumas Greenville Comment
  CHSC97471  Psilocarphus tenellus var. tenellus Lowell Ahart; John Dittes 2007-6-16 14085 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-BC453561  Pterospora andromedea John Thomas Howell 1960-7-20 35780 Plumas Lassen Volcanic National Park: Between Boiling Springs Kale and Terminal Geyer 1859 Comment
  UCD91856  Puccinellia distans John Thomas Howell 1962-6-19 37855 Plumas 5.5 miles east of Beckwourth. 1493 Comment
  CAS-BOT-BC147873  Purshia tridentata var. tridentata Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake Comment
  CHSC96848  Purshia tridentata var. tridentata Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14003 Plumas East side of an open rocky flat, 20 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  JEPS121763  Pycnanthemum californicum B. Castro and L. P. Janeway 2007-8-18 1673 Plumas Northern High Sierra Nevada. Ca 10 road mi E of Quincy, along Squirrel Creek and Road 401, 1.2 mi NE of Hwy 70/89 and William Loop (railroad). Comment
  RSA331943  Pycnanthemum californicum Dave Kelly, Walter Wisura 1985-8-2 4092 Plumas Ca. 3.3 mi. fr. Hwy 70 at Twain; just N of Butterfly Botanical area. Comment
  CHSC21323  Pyrola aphylla F. T. Griggs; A. Pass 1975-7-31 272 Plumas Grizzly Forebay. Comment
  CHSC33882  Pyrola aphylla M. S. Taylor 1981-7-21 4078 Plumas NE corner of jct 25N42 and 401, e and above Squirrel Creek, ca. 3 air mi n of Spring Garden. 1371 Comment
  CAS-BOT-BC462899  Pyrola asarifolia John Thomas Howell 1963-6-3 39398 Plumas Sierra Nevada, Butterfly Valley Comment
  RSA59417  Pyrola californica E. K. Balls 1950-9-8 15708 Plumas Lakes Center Public Campground. 2043 Comment
  CHSC28925  Pyrola picta L. Hanson 1979-7-23 55 Plumas On ridge south of Coldwater Creek near intersection of roads to Kellogg Lookout and to Mt. Ararat. Comment
  SD7832  Pyrola picta Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC466098  Pyrola picta Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-7-12 2108 Plumas Butterfly Botanical Area and Vicinity; between valley and Darlingtonia bog 1066 Comment
  CHSC110605  Pyrrocoma hirta var. lanulosa B. Castro; L. P. Janeway 2006-6-14 1559 Plumas Northern High Sierra Nevada. SE side of lower Thompson Valley 0.9 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1667 Comment
  UCD129028  Pyrrocoma lanceolata Charles Wemken 1973-8-21 s.n. Plumas Vinton. Comment
  UC1094034  Pyrrocoma racemosa var. paniculata Lewis S. Rose 1955-7-19 55147 Plumas Vinton 1505 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
  UCD45589  Quercus chrysolepis John M. Tucker 1948-7-25 1736 Plumas California, Plumas Co.; summit of 'Lava Cap', ca. 1 mi. south of Cascade. Elevation: 4710 ft. 1435 Comment
  SEINET9005326  Quercus chrysolepis W. D. Billings 1947-2-16 1662 Plumas 8 m. W. of Beldon. N. side of Feather River Canyon Comment
  JEPS48091  Quercus durata var. durata Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2700 A Plumas 54 mi n Oroville (Feather River Canyon at Rich Bar (sign), just w of and above Feather River, 0.25 mi below (downstream) Pulga Bridge on Highway 40 Alt.); Feather River Canyon 731 Comment
  UCD46185  Quercus garryana F. T. Griggs 1977-7-17 229 Plumas Soda Creek, ca. 5 miles north of Belden, Plumas County, California. 1524 Comment
  UCD169277  Quercus garryana var. breweri L. P. Janeway 2007-5-20 8995 Plumas Along Road 25N17 above Bean Creek 1.1 km north of its confluence at Spanish Creek; 0.5 km northwest of Bean Hill. 1405 Comment
  UC942862  Quercus garryana var. semota Lewis S. Rose 1951-6-26 51020 Plumas East Fork of the Feather River 822 Comment
  UCD56583  Quercus kelloggii John Thomas Howell 1976-7-14 51823 Plumas Sierra Nevada. American Valley near Quincy on road to Quincy Junction. 1036 Comment
  NY201868  Quercus vacciniifolia J. B. Walker 1994-8-4 878 Plumas On ridge off La Porte Rd, 6km S of Nelson Creek 1600 Comment
  UCD47449  Quercus vacciniifolia John M. Tucker 1948-7-25 1749 Plumas California, Plumas Co.; ca. 3/4 mi. west of United Mining Co. mine on southwest side of Camel Peak; Comment
  CAS-BOT-BC362809  Raillardella scaposa L. P. Janeway 1989-7-7 3468 Plumas Beckwourth Ranger District, Plumas National Forest. NE side of Red Clover Valley; along rd 24N23 0.5 mi SE of road 26N70 (the road to Laufman); vicinity of Lava Spring 1691 Comment
  UC485116  Ranunculus alismifolius var. alismifolius K. N. Austin July 1896 396 Plumas Kings Valley Lassens Peak Comment
  UC827595  Ranunculus alismifolius var. alismifolius A. A. Heller 1915-7-7 12057 Plumas 12 mi w Bucks; Sierra Nevada, Soapstone Ridge 1676 Comment
  SD46713  Ranunculus alismifolius var. lemmonii Robert J. Weatherby 1955-6-22 1536 Plumas Meadow below Spanish Peak 2133 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
  CHSC37018  Ranunculus aquatilis var. capillaceus M. S. Taylor 1982-5-16 4455 Plumas In creek crossing rd, ca. 1/8 mi e of Hwy 89, ca. 1/4 mi n of Graeagle, in Mohawk Valley. 1310 Comment
  SEINET10536067  Ranunculus aquatilis var. capillaceus Mary Susan Taylor 1982-5-16 Taylor 4455 Plumas T22N R12E sw/ne sec 15. Blairsden quad. Mohawk Valley, at creek crossing rd, ca. 1/8 mi e of its jct with Hwy 89, ca. 1/4 mi n of Graeagle. 4300 ft. 1311 Comment
  UC827623  Ranunculus aquatilis var. capillaceus Miss T. V. Raphael Aug. 1917 Plumas Johnsville Comment
  JEPS55182  Ranunculus californicus W. L. Jepson 1910-6-5 4068 Plumas Warner Valley; creek flats 1524 Comment
  UCSB46164  Ranunculus hystriculus Reisentz, Paul 1979-5-12 Plumas Injun Jim Campground, 6.7 miles south of Beldon. Comment
  UCR139400  Ranunculus occidentalis var. ultramontanus P. A. Munz 1947-5-16 11824 Plumas Sierra Nevada Mtns., 8 mi north of Chilcoot 1524 Comment
  SEINET8700857  Ranunculus testiculatus W. Harnach, N. Harnach 2000-4-27 880 Plumas Sierra Valley, intersection of Hwy 49 and Dyson Lane, 6 miles N of Loyalton. 1498 Comment
  CAS-BOT-BC55823  Rhamnus John Thomas Howell 1977-6-21 52394 Plumas Vista Point near Lake Almanor Dam 1432 Comment
  SD149112  Rhamnus John Thomas Howell 1976-7-14 51824 Plumas American Valley near Qunicy on road to Qunicy Junction 1036 Comment
  JEPS41949  Rhamnus purshiana E. Fritz 1936-6-9 Plumas Meadow Valley 1188 Comment
  UC917339  Rhamnus purshiana J. M. Tucker 1948-7-25 1746 Plumas above mine of United Mining Co., sw side of Camel Peak, Pinchard Creek Camel Peak; , Pinchard Creek Comment
  POM180962  Rhamnus rubra A. A. Heller, P. B. Kennedy 1907-7-15 8837 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  RSA517191  Rhamnus rubra J. T. Howell 1975-6-16 51134 Plumas Transition zone coniferous forest, 2 miles NW of Spring Garden 1174 Comment
  CDA18673  Rhamnus rubra subsp. yosemitana G. D. Barbe, T. C. Fuller 1982-6-15 3731 Plumas Sierra Nevada; Red Hill Summit, Plumas National Forest. 1901 Comment
  UCD117835  Rhododendron columbianum H. B. Currier 1952-8-14 s.n. Plumas Along trail from Lakes Center Camp to Mount Elwell, next lake above Silver Lake, Plumas National Forest. 1981 Comment
  CDA20456  Rhododendron occidentale B. Smith August 1996 s.n. Plumas Plumas National Forest; 0.5 mi S of Cascade. 0 Comment
  CAS-BOT-BC56648  Rhododendron occidentale Robert J. Weatherby 1955-6-16 1531 Plumas Head of Berry Creek, above Virgilia, Feather River Canyon 1798 Comment
  CHSC66695  Rhynchospora capitellata Vernon H. Oswald; Linnea Hanson 1996-7-30 8099 Plumas Butterfly Valley Botanic Area NW of Quincy on Forest Rd. 25N47 ca. 0.3 mi S of its junction with Road 417. 1188 Comment
  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
  RSA286277  Rhynchospora capitellata Robert F. Thorne 1974-7-30 45011 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  CAS-BOT-BC108716  Ribes cereum Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake. Comment
  UC1127248  Ribes cereum E. Sawyer 1935-7-9 279 Plumas 2 3/4 mi ssw Crow; Plumas National Forest, Sierraville Quadrangle Comment
  SD8336  Ribes divaricatum Daniel Cleveland 1882-7-26 Plumas Big Spring, Big Meadows Comment
  CAS-BOT-BC219230  Ribes nevadense Ella Dales Cantelow 1941-5-18 3521 Plumas At Johnsville, 4.5 miles W of Mohawk Comment
  CHSC81378  Ribes nevadense L. P. Janeway 1996-4-23 4956 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
  UCSB16018  Ribes roezlii Breedlove, Dennis 1962-6-12 Plumas on bank of Jackson Creek; in upper drainage of Middle Fork of Feather River; 1 mile southeast of Cromberg; Sierra Nevada 1341 Comment
  SEINET12216476  Ribes roezlii W. Knight, Knight, I. 1983-1 4942 Plumas confluence of North Fork of Feather River & Warner Creek on road between Chester & Drakesbad 1463 Comment
  CAS-BOT-BC186223  Ribes roezlii var. roezlii D. E. Breedlove 1962-6-12 3462 Plumas On bank of Jackson Creek, in upper drainage of Middle Fork of Feather River, 1 mile south-east of Cromberg; Sierra Nevada 1341 Comment
  CAS-BOT-BC186231  Ribes roezlii var. roezlii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54239 Plumas About 3 miles southeast of Mt. Hough on road to Quincy 1737 Comment
  JEPS59925  Rigiopappus leptocladus Lewis S. Rose 1968-6-11 68101 Plumas 4 mi s Keddie; Butterfly Valley 1036 Comment
  SEINET10473936  Rigiopappus leptocladus Mary Susan Taylor 1982-6-28 Taylor 4771 Plumas T23N R14E nw/ne sec 27. Portola quad. Ramelli Ranch, between Calpine Rd (109), and cow pastures; s side of Hwy 70, ca. 1 mi w of Beckwourth. 4880 ft. Plumas National Forest property. 1487 Comment
  SEINET10473938  Rigiopappus leptocladus Mary Susan Taylor 1982-6-2 Taylor 4604 Plumas T23N R11ER nw/ne sec 22. Johnsville quad. W side of Poplar Creek Rd (23N08), jct s of bridge over Poplar Creek, 1 mi s of Sloat. 4200 ft. 1280 Comment
  UC1538511  Rigiopappus leptocladus John L. Strother 1987-6-28 1358 Plumas 6.0 mi n Beckwourth (along road to genese, n of Sierra Valley) 1750 Comment
  CAS-BOT-BC74643  Rorippa curvisiliqua Mary Strong Clemens 1920-6-14 s.n. Plumas Crescent Mills. Comment
  JEPS53822  Rorippa curvisiliqua W. L. Jepson 1939-8-12 19403 Plumas branch Last Chance Creek (Ferris Creek); , branch of Last Chance Creek 1767 Comment
  RSA59250  Rorippa curvisiliqua E. K. Balls 1950-8-31 15549 Plumas Spanish Creek, off Highway 24, just north of Quincy. 1067 Comment
  UC117532  Rorippa curvisiliqua Brandegee 1892-7-4 Plumas Prattsville Comment
  CAS-BOT-BC74637  Rorippa curvisiliqua David D. Keck 1932-7-3 1676 Plumas Northern Sierra Nevada. At bridge over Spanish Creek. 1065 Comment
  CHSC117340  Rorippa curvisiliqua var. curvisiliqua B. Castro 2007-7-24 1680 Plumas Northern High Sierra Nevada. Plumas National Forest. Ferris Flat, on floodplain of Ferris Creek ca 0.25 mi SW of its confluence with Last Chance Creek. Ca7 air mi SE of Milford, 5 mi SW of Hwy 395 and 12 mi NW of Doyle. In recently drying flat near main road (USFS Rd 28N03). 1761 Comment
  JEPS113591  Rorippa curvisiliqua var. orientalis Lowell Ahart, Josephine Guardino 2007-7-20 14328 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  SEINET5760494 Image available Rorippa curvisiliqua var. orientalis A. A. Heller 1915-1 12056 Plumas Near the summit of Soapstone ridge in the Sierra Nevada; 12 mi W of Bucks 1676 Comment
  CHSC94850  Rorippa nasturtium-aquaticum Lowell Ahart 2006-10-8 13398 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
  JEPS48546  Rorippa nasturtium-aquaticum John W. Duffield 1937-5-26 Plumas Schneider Creek above and w Meadow Valley (sw Plumas County); Bucks Lake Quad., Schneider Creek above and w Meadow Valley Comment
  CAS-BOT-BC148164  Rosa gymnocarpa John Thomas Howell 1976-7-15 51866 Plumas Snake Lake, about 4 miles northwest of Quincy - Sierra Nevada 1219 Comment
  CHSC102118  Rosa gymnocarpa Lowell Ahart; John Dittes 2009-7-28 16195 Plumas On dry soil, near seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam. 1581 Comment
  CHSC21212  Rosa gymnocarpa F. T. Griggs; A. Pass 1975-7-1 15 Plumas East of Grizzly Creek. Comment
  JEPS99062  Rosa gymnocarpa Lowell Ahart 2002-7-6 9854 Plumas On the NW side of Axford Creek, about 300 yards NE of the gravel road, about 1 1/4 mile (air) east of the Robinson Mine, about 2 miles (air) SW of Grizzly Mountain, about 4 miles (air) SW of Haskins Valley and Bucks Lake. 1648 Comment
  CAS-BOT-BC147047  Rosa pisocarpa John Thomas Howell 1961-9-22 36815 Plumas Greenville 1088 Comment
  CDA13964  Rosa pisocarpa G. F. Hrusa, T. D. Wilfred 1996-8-2 13426 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, approx. 1 mi. NW of Argentine Rock. Tributary of Squirrel Creek. Comment
  CAS-BOT-BC146929  Rosa woodsii John Thomas Howell 1963-6-3 39389 Plumas Quincy 1036 Comment
  CAS-BOT-BC149729  Rosa woodsii subsp. ultramontana John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2205 Plumas Mouth of Butterfly Creek 883 Comment
  CHSC81146  Rosa woodsii subsp. ultramontana Lowell Ahart 2001-8-29 9226 Plumas Near Ramelli Creek, a branch of Little Last Chance Creek, about 3 miles (air) north of Frenchman Lake. 1737 Comment
  UC1128619  Rubus leucodermis D. Axelrod 1934-6-12 45 Plumas 1 mi ne La Porte; Plumas National Forest, Downieville Quad. 1645 Comment
  UCD113864  Rubus parviflorus James I. Mallory 1969-8-21 361 Plumas 1.5 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  CHSC62531  Rudbeckia occidentalis B. Castro; L. P. Janeway 1987-7-17 143 Plumas Ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring site. Uphill from road in meadow. 1584 Comment
  UCD169666  Rudbeckia occidentalis L. P. Janeway; B. Castro 2011-9-11 10718 Plumas Northern High Sierra Nevada. Between Road 22N57 (the road around Little Grass Valley Reservoir) and Black Rock Creek just before it empties into the Reservoir. 1570 Comment
  OBI2946  Rumex acetosella Lewis S. Rose 1968-6-10 68093 Plumas Quincy 1036 Comment
  CAS-BOT-BC422043  Rumex acetosella Lewis S. Rose 1968-6-10 68093 Plumas Quincy 1036 Comment
  CAS-BOT-BC422167  Rumex californicus John Thomas Howell 1973-7-9 49714 Plumas Crescent Mills 1066 Comment
  OBI34305  Rumex crispus Bernie Smith 1966-7-26 180 Plumas Pinchard Crk Comment
  CHSC20783  Rumex fueginus K. R. Stern 1975-7-23 5852 Plumas W shore of Lake Almanor. 1371 Comment
  CHSC82125  Rumex fueginus L. P. Janeway 2001-7-25 7386 Plumas High Cascade Range. Southwest side of Lake Almanor, below high water line, about 100 m out; near Hwy 89 2.3 km north-northwest of Almanor West Road. 1372 Comment
  UCR270586  Rumex paucifolius John F. Emmel 1998-6-6 1558 Plumas Middle Fork Feather River just south of crossing of County Road A23 [Beckwourth-Calpine Rd.], WSW of Beckwourth 1488 Comment
  CHSC20774  Rumex salicifolius var. denticulatus K. R. Stern 1975-7-23 5861 Plumas W shore of Lake Almanor. 1371 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
  CAS-BOT-BC445742  Sagittaria latifolia Robert J. Weatherby 1950-7-21 1483 Plumas Butterfly Lake, near Quincy 1219 Comment
  UC440202  Salix eastwoodiae Mrs. C. M. Wilder 1912-7-10 9334 Plumas s side of main lake Bear Lakes 1981 Comment
  JEPS115120  Salix exigua Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16222 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  CAS-BOT-BC103884  Salix exigua John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54345 Plumas Near mouth of Lights Creek 1371 Comment
  CAS-BOT-BC107973  Salix geyeriana M. S. Taylor 1982-6-14 4664 Plumas Dry meadow on n side of Indian Creek, e side of 28N03, nw corner of Antelope Lake, ca. 12 mi ne of Taylorsville 1524 Comment
  POM180953  Salix geyeriana var. argentea A. A. Heller, P. B. Kennedy 1907-7-4 8728 Plumas Meadow 2 miles S of Red Clover valley. Comment
  CAS-BOT-BC107852  Salix gooddingii John Thomas Howell 1959-9-21 34768 Plumas Bars of N. Fork Feather River near Belden - Sierra Nevada 701 Comment
  SEINET11990954  Salix lasiandra W. Knight, Knight, I. 1983-1 4945 Plumas North Fork of Feather River and Warner Creek, Yellow Pine Forest, road between chester adn Drakesbad 1463 Comment
  CAS-BOT-BC125325  Salix lasiandra var. lasiandra M. B. Kildale 1926-9-11 2799 Plumas Chester 1289 Comment
  JEPS102789  Salix lasiandra var. lasiandra Lowell Ahart 2001-6-4 8755 Plumas Overflow area on the north side of the South Fork of the Feather River, about 1/2 mile SW of the Feather Fork Mine, about 1 mile NE of Little Grass Valley Reservoir, about 5 miles (air) NE of La Porte. 1594 Comment
  CAS-BOT-BC128436  Salix lasiolepis var. lasiolepis Irja Knight; Walter Knight; John Thomas Howell; Gordon H. True 1967-7-10 2212 Plumas Mouth of Butterfly Creek - Butterfly Botanical Area and Vicinity 883 Comment
  CAS-BOT-BC128438  Salix lasiolepis var. lasiolepis John Thomas Howell 1977-8-11 52676 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Rerservoir 1676 Comment
  JEPS107737  Salix lasiolepis var. lasiolepis Lowell Ahart, John Dittes 2005-9-19 12370 Plumas Shore line, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2076 Comment
  CHSC69903  Salix lemmonii L. P. Janeway 1997-5-14 5126 Plumas Along Dixie Creek at the '70' Road (to Laufman); in northeast corner of Red Clover Valley. 1676 Comment
  RSA726287  Salix lemmonii L. Ahart, John Dittes 2007-6-16 14128 Plumas S side of County Road 111 (Beckwourth Gensee Road). 50 yards E of Forest Rd 24N08. Red Clover Valley. About 2 miles (air) N of the N end of Lake Davis. 1648 Comment
  UC846670  Salix lemmonii Alice Eastwood 1918-5-25 7004 Plumas Portola Comment
  CAS-BOT-BC124795  Salix lemmonii John Thomas Howell 1960-7-21 35838 Plumas Flats nw. of Willow Lake 1676 Comment
  CAS-BOT-BC125107  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 398 Plumas North Fork of Feather River, at Chester 1350 Comment
  CAS-BOT-BC125110  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 393 Plumas North Fork of Feather River, at Chester 1350 Comment
  UC482033  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 394 Plumas N. Fork Feather R. at Chester (at hwy. bridge); N. Fork Feather R. 1350 Comment
  CAS-BOT-BC129396  Salix melanopsis C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 395 Plumas North Fork of Feather River, at Chester 1350 Comment
  CDA21494  Salix melanopsis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3171 Plumas Sierra Nevada; 4.6 miles south of junction Long Valley and Rush Creek Roads, above Rush Creek. (Improved logging road at bridge over Rush Creek). 1402 Comment
  POM186837  Salix melanopsis D. D. Keck 1932-7-3 1656 Plumas S of Spanish Creek. Quincy. In the northern Sierra Nevada. 1067 Comment
  POM218939  Salix melanopsis Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-31 396 Plumas N Fork of Feather River, at Chester. 1350 Comment
  SBBG57918  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 395 Plumas N Fork of Feather River, at Chester, at hwy bridge 1350 Comment
  UCD111780  Salix melanopsis Lewis S. Rose 1968-6-10 68090 Plumas Quincy. 1036 Comment
  CAS-BOT-BC129398  Salix melanopsis C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 396 Plumas North Fork of Feather River, at Chester 1350 Comment
  JEPS124131  Salix orestera Lowell Ahart, John Deurloo 2015-8-25 20532 Plumas 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air) south of Twain, 7.8 miles (air) west-northwest of Quincy. Comment
  CAS-BOT-BC129097  Salix scouleriana John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54362 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy - Sierra Nevada 1600 Comment
  CHSC41278  Salix scouleriana J. D. Jokerst 1984-5-14 2017 Plumas At the edge of south fork of Ward Creek ca. 1/4 mile upstream of falls. Sw of Genesee Valley. 1584 Comment
  RSA794996  Salix scouleriana L. Ahart, John Dittes 2009-7-15 16079 Plumas Along a small wash on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  CAS-BOT-BC238846  Sambucus nigra subsp. caerulea John Thomas Howell 1961-6-21 36649 Plumas Greenville 1097 Comment
  CAS-BOT-BC238848  Sambucus nigra subsp. caerulea John Thomas Howell 1960-7-19 35671 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CDA13361  Sanguisorba annua G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13210 Plumas Sierra Nevada; N side of Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Rattlesnake Creek drainage. Comment
  RSA189324  Sanguisorba annua L. S. Rose 1967-7-12 67169 Plumas Quincy 1037 Comment
  SD107288  Sanicula graveolens Christopher Davidson 1975-6-7 2742 Plumas 3 miles west of road to Snake Lake, departing northwest of Highway 89 around 2 miles north of Quincy. 1280 Comment
  SEINET13945235 Image available Sanicula nevadensis A. A. Heller 1915-1 12061 Plumas Near the summit of Soapstone ridge in the Sierra Nevada. Elev 5500 ft. 12 miles west of Buck 1676 Comment
  SEINET11763397  Scheuchzeria palustris R. M. Austin 1883-1 s.n. Plumas no further locality Comment
  CAS-BOT-BC111270  Schoenoplectus acutus var. occidentalis John Thomas Howell 1961-9-25 36943 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC35590  Scirpus congdonii Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-6-12 2088 Plumas Butterfly Botanical Area, near spring 1127 Comment
  CHSC78749  Scirpus congdonii L. P. Janeway 2000-7-16 6917 Plumas Northern High Sierra Nevada. Meadow at head of East Branch Coldwater Creek. 1768 Comment
  CAS-BOT-BC110856  Scirpus diffusus Lowell Ahart 1985-7-3 5103 Plumas Below the high water line of Little Grass Valley Reservoir 1584 Comment
  CAS-BOT-BC111003  Scirpus microcarpus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1643 Plumas North of Pond Reservoir, Butterfly Botanical Area 1097 Comment
  CHSC102075  Scirpus microcarpus Lowell Ahart; John Dittes 2009-7-14 16033 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC52746  Scirpus microcarpus Linnea Hanson 1990-6-15 Plumas Plumas National Forest. Along Greenhorn Cr; ca 1.5 mi on Chandler Rd from the jct with Hwy 70 1.5 mi E of Quincy. 1043 Comment
  JEPS64016  Scirpus microcarpus W. L. Jepson 1924-7-25 10639 Plumas Meadow Valley 1158 Comment
  SEINET10837522  Sclerolinon digynum Mary Susan Taylor 1981-6-19 Taylor 3935 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
  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
  POM319004  Scutellaria antirrhinoides Patricia Wilder 1971-6-21 5136 Plumas 2.8 mi north of California State Hwy 70 on Prattville-Butt Reservoir Road between Belden and Caribou. Cascade - Sierra Nevada Mtn. Range. Drainage Area: Feather River North Fork. 762 Comment
  SEINET10499131  Scutellaria antirrhinoides Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3824 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. Dry open serpentine slope, N side of Hwy 70, on E side of Squirrel Creek, NE of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. 4000 ft. 1219 Comment
  JEPS109896  Scutellaria galericulata Dean W. Taylor 2004-8-15 19243 Plumas Lake Almanor, mouth of Mud Creek at its debouchment into the upper arm of the lake 1377 Comment
  UCD125680  Scutellaria nana Michael A. Vincent 1999-6-8 8557 Plumas Plumas National Forest, Milford Ranger District. Along FS 26N16 between FS 26N17 and Doyle's Crossing bridge. Comment
  CAS-BOT-BC240091  Secale cereale John Thomas Howell; Gordon H. True 1968-6-10 44554 Plumas Quincy 1036 Comment
  CAS-BOT-BC59136  Sedum spathulifolium Gordon True; Irja Knight; Walter Knight 1967-7-10 2182 Plumas Mouth of Butterfly Creek. 883 Comment
  CAS-BOT-BC59122  Sedum spathulifolium Ira L. Wiggins 1961-6-10 s.n. Plumas North side of Feather River Canyon near PG&E Rock Creek Reservoir near Stowe. Comment
  UCD102067  Sedum spathulifolium Dean Ahrenholz 1964-5-16 21 Plumas near Bucks Power House, Feather River Canyon. Comment
  CAS-BOT-BC62193  Selaginella wallacei John Thomas Howell 1967-6-22 42662 Plumas near mouth of Chambers Creek, Canyon of the Feather River North Fork Comment
  CAS-BOT-BC363733  Senecio hydrophilus M. S. Taylor 1982-9-8 5121 Plumas N end of Round Valley Reservoir, ca. 4 air mi s of Greenville 1371 Comment
  CAS-BOT-BC363797  Senecio integerrimus Walter Knight; Irja Knight 1967-5-22 1806 Plumas Butterfly Botanical Area and Vicinity. Rubble gap Comment
  CHSC85678  Senecio integerrimus var. exaltatus G. Douglas Barbe; T. C. Fuller 1982-6-15 3691 Plumas Sierra Nevada foothills. East-facing slope, 0.8 mile west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 miles east of Red Hill Summit, Plumas National Forest. 1493 Comment
  CAS-BOT-BC363921  Senecio integerrimus var. exaltatus Elizabeth McClintock 1968-5-18 s.n. Plumas East of Frenchman Reservoir, north of Chilcoot 1706 Comment
  RSA0124964  Senecio integerrimus var. exaltatus E. K. Balls, Lee W. Lenz 1955-5-13 20703 Plumas Between Tobin and Camp Rogers, US Hwy 40 alt. 610 Comment
  RSA0125030  Senecio integerrimus var. exaltatus P. B. Kennedy, A. A. Heller 1907-7-5 8742 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC364035  Senecio integerrimus var. major A. A. Heller; P. B. Kennedy 1907-7-5 8742 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC364173  Senecio serra H. M. Hall; E. B. Babcock 1903-7-1 4459 Plumas Sierra Nevada Mountains. Red Clover Creek 1676 Comment
  CHSC55182  Sericocarpus oregonensis L. P. Janeway 1989-9-29 3647 Plumas Low in canyon of North Fork Feather River at Rock Creek. 548 Comment
  CHSC107914  Sidalcea gigantea L. P. Janeway; B. Castro 2011-9-11 10720 Plumas Northern High Sierra Nevada. Between Road 22N57 (the road around Little Grass Valley Reservoir) and Black Rock Creek just before it empties into the Reservoir. 1570 Comment
  CHSC39379  Sidalcea glaucescens L. Ahart; P. Ahart 1983-8-17 4341 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. 2000 Comment
  JEPS113419  Sidalcea oregana subsp. spicata Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14461 Plumas About 30 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  SDSU8184  Sidalcea oregana subsp. spicata D. F. Howe 1964-7-29 3897 Plumas Near Gold Lake Lodge, Plumas national Forest 2012 Comment
  RSA59405  Sidalcea oregana subsp. spicata E. K. Balls 1950-9-8 15720 Plumas Lakes Center Public Campground 2043 Comment
  UC185511  Silene campanulata subsp. glandulosa Mrs. R. M. Austin July 1893 15 Plumas on old military road Summit Cascades (Summit Cascades) Comment
  CHSC41202  Silene douglasii J. D. Jokerst 1984-7-10 2088 Plumas Near Indian Creek. Canyon of Indian Creek near first major spur ridge E of Rattlesnake Ravine, between creek and Indian Cr. Road. 1249 Comment
  CAS-BOT-BC386993  Silene douglasii M. S. Taylor 1982-8-21 4894 Plumas Around south end of Bachs creek Ridge on dry rocky ralus, ca. 5 mi se of Quincy 1752 Comment
  JEPS113816  Silene douglasii var. douglasii Lowell Ahart, John Dittes 2007-8-9 14434 Plumas About 50 yards west of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  CHSC108457  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
  CHSC67359  Silene laciniata subsp. californica James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2571 Plumas Red Mtn. Rd. in saddle below summit, above junction with Rich Gulch Rd., N of Hwy. 70. Comment
  CAS-BOT-BC389386  Silene lemmonii Anna Head 1920-7-29 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC389388  Silene lemmonii Rimo Bacigalupi 1927-7-11 1709 Plumas Grassy Lake Meadows, Gold Lake Region 1889 Comment
  POM161747  Silene lemmonii Rimo C. Bacigalupi 1927-7-11 1709 Plumas Grassy Lake Meadows. Golden Lake Region. 1890 Comment
  CAS-BOT-BC389373  Silene lemmonii L. P. Janeway 1990-7-2 3754 Plumas Plumas National Forest, Beckwourth Ranger District, Cascade Compartment. Ca 100 ft west of Paradise Cr and ca 3/4 mi south of Little Grizzly Cr. 1889 Comment
  JEPS51003  Silene lemmonii W. L. Jepson 1910-6-12 4122 Plumas near Mt. Harkness; near Mt. Harkness 1584 Comment
  JEPS102939  Silene occidentalis subsp. occidentalis L. P. Janeway 2001-7-3 7259 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek 1707 Comment
  SEINET5337221  Silene pectinata A. A. Heller, P. B. Kennedy 1907-7-16 8859 Plumas Genessee Valley near Genessee Comment
  CHSC40877  Sisymbrium altissimum K. R. Stern 1985-6-25 8199 Plumas Vicinity of Blairsden. 1402 Comment
  UCSB46172  Sisyrinchium idahoense Reisentz, Paul 1979-5-12 Plumas Found at Indian Creek at the junction of Hwy 70 and Hwy 89 Comment
  JEPS118393  Smilacina racemosa Lowell Ahart 2011-9-20 17692 -A Plumas On the south side of Onion Valley Creek, on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2001 Comment
  RSA504719  Solidago californica J. T. Howell 1959-9-21 34736 Plumas Belden 701 Comment
  RSA31230  Solidago canadensis subsp. elongata Joseph A. Ewan 1934-7-19 8252 Plumas Dentens, Mohawk Valley. 1616 Comment
  CAS-BOT-BC365520  Solidago elongata M. S. Taylor 1981-8-20 4232 Plumas S side of Fox Rd (27N92) at jct with creek, ca. 2 mi se of Canyon Dam 1524 Comment
  CAS-BOT-BC365522  Solidago elongata Lewis S. Rose 1966-7-28 66072 Plumas Quincy 1066 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
  UC1075633  Solidago elongata Robert J. Weatherby 1950-7-21 1472 Plumas East Quincy 1036 Comment
  UC1999876  Solidago elongata J. C. Semple, B. Semple 1981-8-27 5722 Plumas 1 mile S of Graeagle on HWY-89. Comment
  JEPS115557  Solidago spectabilis Lowell Ahart, John Dittes 2009-7-28 16205 Plumas On damp soil, meadow southeast of powerline, 500 feet southeast of Forest Service Road 27N28Y, slope north of Ohio Creek, 2.6 miles (air) northwest of Butt Valley Reservoir Dam 1511 Comment
  SD51283  Solidago spectabilis Darley F. Howe 1961-8-4 3133 Plumas East side of Lake Almanor, 6.0 miles from junction with Highway 89 at south end of lake. 1372 Comment
  SDSU526  Solidago velutina subsp. californica D. F. Howe 1960-9-20 2984 Plumas North fork of Feather River, 41 miles from Oroville. 610 Comment
  JEPS16773  Solidago velutina subsp. californica Rimo Bacigalupi with J. R. Sweeney and G. Bacigalupi Jr. 1953-8-31 4344 Plumas along roadside road from Greenville to Indian Agency, Indian Valley (about 2 mi e of Greenville); Indian Valley 1005 Comment
  CAS-BOT-BC157309  Sorbus californica A. A. Heller 1915-7-7 12059 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676 Comment
  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
  UC1099920  Sparganium emersum var. emersum Herbert L. Mason 1953-7-8 14560 Plumas 4 mi nw Loyalton Comment
  SEINET8883968  Spergularia marina W. Harnach, N. Harnach 1990-4-18 258 Plumas Sierra Valley, Marble Lane, Marble Hot Well. 1487 Comment
  CAS-BOT-BC390746  Spergularia marina Fred Sommers; Greg Sommers 1976-7-13 F 161 Plumas Marble Hot Springs Area, Sierra Valley Marsh 1487 Comment
  CAS-BOT-BC374765  Sphaeromeria potentilloides var. potentilloides John Thomas Howell 1962-6-19 37878 Plumas Chilcoot 1524 Comment
  JEPS113513  Sphenosciadium capitellatum Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14481 Plumas About 40 yards southwest of Beckwourth Gensee Road, about 2 miles (air) north of the north end of Lake Davis 1773 Comment
  HSC93212  Sphenosciadium capitellatum Vernon H. Oswald, L. Ahart 1996-8-1 8139 Plumas FS 27N16 on the S slope of Dyer Mtn. at a branch of Second Water Trough Creek, about 1.5 mi. NW of Hauns Meadow, 1.5 mi. SE of Dyer Mtn. Lookout , N of Hwy. 89, E of Lake Almanor. 1707 Comment
  SEINET7722232  Spiraea betulifolia Unknown Plumas Spanish Peak Comment
  CAS-BOT-BC149657  Spiraea douglasii A. A. Heller; P. B. Kennedy 1907-7-15 8848 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  CHSC1611  Spiraea douglasii V. Holt 1935-9-13 Plumas Buck's Lake. 1584 Comment
  HSC19749  Spiraea douglasii L. S. Rose 1969-6-24 69049 Plumas Butterfly Valley, W of Keddie 1159 Comment
  RSA59234  Spiraea douglasii E. K. Balls 1950-8-31 15536 Plumas Hwy 24. 1/2 mile N of Spanish Creek. Just N of Quincy. 1098 Comment
  SEINET7707730  Spiraea douglasii A. A. Heller, P. B. Kennedy 1907-7-9 8786 Plumas Prattville. Comment
  CAS-BOT-BC152539  Spiraea splendens Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC95151  Spiranthes porrifolia R. D. Fischer; Jenny Marr 2004-8-7 853 Plumas Northern Sierra Nevada between Butte Meadows and Hwy 89 along Humbug Valley Road at the Yellow Creek crossing. 1219 Comment
  SEINET9333350  Stachys ajugoides Robert Naczi, Janeway, L. 2004-7-24 10542 Plumas Plumas County Comment
  CDA13379  Stachys ajugoides var. ajugoides G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13228 Plumas Sierra Nevada; Upper Bull Run Creek off USFS 23N12E, about 1/4 mile below headwater springs. Comment
  SBBG32392  Stachys rigida L. S. Rose 1966-7-27 Plumas Butterfly Crk, 2 mi S of Keddie 1005 Comment
  SEINET9362994  Stachys rigida Unknown 2014-7-23 2014 -012 Plumas Gray Eagle Creek, Lakes Basin, Plumas National Forest Comment
  POM284550  Stachys rigida subsp. rivularis Lyman Benson 1932-7-29 3985 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  JEPS122331  Stellaria crispa Lowell Ahart 2014-8-31 19805 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  CAS-BOT-BC322969  Stephanomeria tenuifolia Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  CHSC118779  Stipa lettermanii Chelsea Morgan; Wendy L. Boes 2015-6-2 2015 -007 Plumas Plumas National Forest. Northwest side of Rush Creek Hill. East of Forest Service road 26N22, north of 26N67 (UTM 659249 E, 4438019N, NAD83 Zone10N.) 1700 Comment
  SEINET8080292  Stipa occidentalis var. pubescens R. McKee, H. L. Westover 1918-6-14 s.n. Plumas Chester. Comment
  CHSC67647  Streptanthus polygaloides James D. Jokerst 1985-6-10 2398 Plumas Indian Creek Small Hydro Survey. Upper end of pipeline W of where it leaves Hwy. 70. 1066 Comment
  CHSC118812  Streptanthus polygaloides Wendy L. Boes; Jim Battagin 2015-5-12 2015 007 E Plumas Between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. (UTM 652180 E, 4433328 N, NAD83 Zone 10N; Elevation 792 m.) 792 Comment
  RSA169402  Streptanthus tortuosus L. S. Rose 1963-6-2 63080 Plumas Rock Creek, N Fork of Feather River. 640 Comment
  RSA718392  Streptanthus tortuosus L. Ahart 2006-7-3 12904 Plumas About 0.25 mile N of Lumpkin Ridge road, on Lumpkin Ridge, 4 miles (air) NE of Camp 18 1528 Comment
  CHSC73938  Streptanthus tortuosus var. orbiculatus B. Castro; L. Gehrung 1998-9-29 846 Plumas Ca 4.5 air mi NE of Little Grass Valley Reservoir, on ridge system west of Pilot Peak, on S side of USFS Rd 22N60. On upper edge of ridgetop, ca 100 ft S of the Pacific Crest Trail. 1987 Comment
  UC176151  Streptanthus tortuosus var. orbiculatus A. A. Heller 1913-6-13 10854 Plumas near Quincy 1066 Comment
  UC711928  Streptanthus tortuosus var. orbiculatus Roxana S. Ferris and Laura Lorraine 1941-8-8 10411 Plumas near Storrie (road cut); canyon of north fork of Feather River Comment
  CAS-BOT-BC517429  Streptopus amplexifolius Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1497 Plumas Butterfly Botanical Area and Vicinity, roadside at Fern Glen 1097 Comment
  UC336543  Streptopus amplexifolius var. americanus unknown Plumas Comment
  UC338818  Swertia albicaulis var. nitida unknown Plumas Mohawk Valley Comment
  CAS-BOT-BC271693  Symphoricarpos albus var. laevigatus Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  CAS-BOT-BC237017  Symphoricarpos mollis R. M. Austin 1880-1-1 s.n. Plumas Big Meadows Comment
  UC1119978  Symphoricarpos mollis A. Lewis 1934-6-15 483 -C Plumas 1.5 mi ne Bald Mtn.; Plumas National Forest, Downieville Quad. 1706 Comment
  SBBG44168  Symphoricarpos rotundifolius var. rotundifolius K. K. Muller 1965-8-19 1353 Plumas W shore of Lake Almanor Comment
  CAS-BOT-BC97561  Symphyotrichum ascendens John Thomas Howell 1959-9-25 35020 Plumas Chilcoot 1524 Comment
  SJSU14207  Symphyotrichum ascendens N. A. Hopkins 1989-8-7 1571 Plumas near Red Clover Valley by road between Beckwourth & Genessee Valley 1676 Comment
  CHSC110232  Symphyotrichum bracteolatum L. P. Janeway 2012-9-19 11057 Plumas Northern High Sierra Nevada. Plumas National Forest; along La Porte-Quincy Road across from Road 22N21; northwest slope between Gibsonville Ridge and South Fork Feather River. 1877 Comment
  CAS-BOT-BC97863  Symphyotrichum eatonii Milo S. Baker Aug. 28 319 c-'26 Plumas Drakesbad 1706 Comment
  JEPS102518  Symphyotrichum frondosum Lowell Ahart 2001-9-18 9279 Plumas Along Freeman Creek, on the strand of Lake Davis. 1761 Comment
  CAS-BOT-BC98487  Symphyotrichum spathulatum John Thomas Howell 1966-7-29 42014 Plumas Quincy - Sierra Nevada 1036 Comment
  CAS-BOT-BC98896  Symphyotrichum spathulatum var. intermedium Thomas H. Kearney 1944-8-14 151 Plumas Near Prattville, Lake Almanor Comment
  CHSC81093  Symphyotrichum spathulatum var. spathulatum Lowell Ahart 2001-8-29 9241 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SD9009  Symphyotrichum subspicatum R. M. Austin 1879-1 Plumas Big Meadows Comment
  CAS-BOT-BC221952  Taeniatherum caput-medusae M. S. Taylor 1982-6-28 4774 Plumas Ramelli Ranch, between CalpineRd [Calpine Rd] (109) and cow pasture, ca. 1 mi w of Beckwourth 1487 Comment
  CHSC36341  Tanacetum vulgare M. S. Taylor 1982-7-22 4910 Plumas Along 24N27Y on s side of Meadow Valley Creek, ca. 1/4 mi e of Schneider Creek Rd (24N16), ca. 1/4 mi s of Meadow Valley. 1158 Comment
  JEPS37088  Tanacetum vulgare W. L. Jepson 1939-8-8 19356 Plumas Quincy 1051 Comment
  RSA6250  Tanacetum vulgare D. D. Keck 1932-7-3 1626 Plumas Quincy, along branchlet of Spanish Creek in meadow. also a large colony spreading over a vacant lot near center of town Comment
  CHSC102668  Taraxia tanacetifolia Lowell Ahart; John Dittes 2009-9-7 16385 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC447453  Tellima grandiflora David D. Keck 1932-7-3 1640 Plumas Forested hillside south of town. In deep shade, on wet bank near creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  POM186865  Tellima grandiflora D. D. Keck 1932-7-3 1640 Plumas Hillside south of Quincy, in the northern Sierra Nevada. 1067 Comment
  CAS-BOT-BC392413  Thalictrum fendleri Marcus E. Jones 1897-7-6 s.n. Plumas Prattville, 13 miles west 1371 Comment
  CAS-BOT-BC88046  Thelypodium crispum W. Harnach; N. Harnach 1990-6-16 395 Plumas Sierra Valley. Hindoo Ranch. 1490 Comment
  UC433203  Thelypteris nevadensis unknown 1890-1 1 Plumas Butterfly Valley Comment
  UC399362  Thelypteris nevadensis Mrs. R. M. Austin 1894-1 Plumas Comment
  RSA716879  Thinopyrum intermedium L. Ahart 2005-9-20 12459 Plumas on the south side of the forest road 27N34m about 1 mile Northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 1985 Comment
  CAS-BOT-BC88158  Thlaspi arvense L. P. Janeway; Melinda Carlson 1991-6-18 4048 Plumas Plumas National Forest. Beckwourth Ranger District. Beckwourth Compartment. North side Middle Fork Feather River. 1472 Comment
  JEPS107785  Thysanocarpus curvipes var. curvipes Lowell Ahart, Richard Rabeler, Lawrence Janeway, Linnea Hanson 2005-4-20 11747 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
  RSA59374  Tofieldia glutinosa subsp. occidentalis E. K. Balls 1950-9-9 15772 Plumas South end of small lake, to west of Lakes Center Public Campground. 2043 Comment
  CDA14361  Tofieldia occidentalis subsp. occidentalis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3357 Plumas Head of Eagle Gulch, 0.25 mile northeast of Bucks Summit on Bucks Lake Road. 1670 Comment
  CHSC117468  Torreyochloa pallida var. pauciflora B. Castro; Robin Carter 2010-7-17 1825 Plumas Northern High Sierra Nevada. Plumas National Forest; Indian Creek at base of Antelope Lake Dam, at 'Gaging Station' site on maps. On N edge of creek, ca 75 ft downstream of dam outlet. 1499 Comment
  CHSC32872  Torreyochloa pallida var. pauciflora L. Ahart 1980-10-6 2670 Plumas On the s shore of the lake ca. 0.5 mi w of Flowler Peak, ca. 2 mi n of Little Grass Valley Reservoir. 1700 Comment
  SEINET5357969  Torreyochloa pauciflora R. Mckee, H. L. Westover 1918-6-15 s.n. Plumas Chester Comment
  CAS-BOT-BC377046  Tragopogon John Thomas Howell 1959-9-21 34827 Plumas Greenville 1088 Comment
  CAS-BOT-BC377048  Tragopogon John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54125 Plumas Quincy 1036 Comment
  CHSC76123  Tragopogon dubius G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3303 Plumas Diamond Mountain Road 0.5 mile southwest of Engle Mine townsite. 1219 Comment
  CAS-BOT-BC399993  Trautvetteria caroliniensis Robert J. Weatherby 1955-8-9 1679 Plumas South Fork Haskins Creek, 2 miles south of Bucks Lake 1645 Comment
  UC1931361  Tribulus terrestris Marti Aitken and Ingrid Burke 2009-7-24 Plumas IN front of 152 Lawrence Street, approximately 500 feet from east junction with State Route 70/89. Comment
  CHSC113891  Trichostema oblongum Lowell Ahart 2014-8-24 19748 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
  CHSC73954  Trichostema oblongum B. Castro; Barry Davis 1997-8-13 780 Plumas Ca 1 mi N of the Crocker Guard Station, just E of Co. Rd 111, in meadow along Crocker Creek (ca 1.5 mi N of Crocker Mdw). Near W edge of creek. 1700 Comment
  UCD117563  Trientalis latifolia Jon Balderston 1980-5-19 4 Plumas north fork of Feather River between Highway 70 and Caribou at mouth of Mosquito Creek. 746 Comment
  CHSC89536  Trifolium breweri G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3217 Plumas Sierra Nevada. 1.0 mile south of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). Rhinehart Meadow. 1676 Comment
  JEPS115217  Trifolium breweri Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16128 Plumas On the east 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
  CDA22998  Trifolium breweri G. D. Barbe 1981-6-23 3094 Plumas 1.8 miles north of Quincy (Lawrence Street) on Highway 70/89. Comment
  UC1585936  Trifolium breweri Barbara Ertter 1989-7-4 8685 Plumas 4.2 mi w jct of Hwy 8 and 36 (Coyote flat, w of Lake Almanor) 1524 Comment
  UC54387  Trifolium breweri H. M. Hall and E. B. Babcock July, 1903 4427 Plumas Indain Valley Sierra Nevadas, Greenville 1066 Comment
  CDA13433  Trifolium cyathiferum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13280 Plumas Sierra Nevada; Along lower Bull Run Creek off USFS 23N12E. Comment
  CHSC52932  Trifolium cyathiferum L. P. Janeway 1989-6-23 3396 Plumas Plumas National Forest. Along the Beckwourth-Genesee Rd (rd 111) just SE of Crocker Meadow. 1783 Comment
  RSA91391  Trifolium cyathiferum F. W. Peirson 1932-7-19 10346 Plumas Feather River. Near Chester. 1463 Comment
  CDA4295  Trifolium dubium L. P. Janeway 1996-5-2 4973 Plumas Northern High Sierra Nevada.; Soda Creek, along Road 25N22 200 feet northwest of Highway 70 and East Branch North Fork Feather River. Comment
  SDSU5281  Trifolium hybridum R. M. Beauchamp 1965-7-17 Plumas Growing in an area beside the Feather River, 1/2 mile north of Chester. Comment
  CDA18441  Trifolium kingii var. productum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3143 Plumas Sierra Nevada; 3.25 mi west of Round Valley Reservoir Dam; 0.25 mil east of jct with road to Canyon Dam (i.e. south arm of Lake Almanor). 1633 Comment
  SEINET10874119  Trifolium lemmonii Mary Susan Taylor 1981-6-25 Taylor 3949 Plumas T24N R16E sw/nw sec 16? Frenchman Lake quad. E side of 24N01 on E side of Frenchman Lake, 0.8 mi S of Salmon Egg Shoal, n tip of lake, ca. 13 mi NW of Chilcoot. Sagebrush Scrub, open bare areas in dry sandy soil; 5700 ft elev. 1737 Comment
  CDA14576  Trifolium longipes subsp. elmeri G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3057 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  SEINET7414913  Trifolium longipes var. hansenii M. J. Williams, E. McPherson 1974-8-5 74 -P-17A Plumas Lake's Basin, trail from Silver Lake to Mt. Elwell 2073 Comment
  RSA59431  Trifolium microcephalum E. K. Balls 1950-9-15 15851 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  UCD169239  Trifolium microdon S. L. Welsh; N. D. Atwood 2001-6-13 28130 Plumas Red Clover Valley, ca 12 miles north of Beckwourth. 1678 Comment
  POM28006  Trifolium monanthum subsp. parvum Marcus E. Jones 1897-7-2 s.n. Plumas Near Pratville at Clear Creek 1524 Comment
  SDSU6661  Trifolium pratense R. M. Beauchamp 1965-7-17 Plumas Growing in areas beside the Feather River, 1/2 mile north of Chester. Comment
  CAS-BOT-BC230190  Trifolium productum G. Schoolcraft 1989-7-3 1941 Plumas Diamond Mtn. north of Red Rock Lookout. 2255 Comment
  CAS-BOT-BC230192  Trifolium productum A. A. Heller; P. B. Kennedy 1907-7-9 8800 Plumas Prattville Comment
  CAS-BOT-BC230202  Trifolium productum A. A. Heller; P. B. Kennedy 1907-7-7 8761 Plumas Near mouth of Little Grizzly Creek, below Genessee. Comment
  UCSC008488  Trifolium productum Unknown 2004-7-3 11179 Plumas North side of forest road, about 1/4 mile north of Taylor rock, about 1 (air) mile southwest of Grizzly Peak, about 5 (air) miles south of Taylorsville, about 8 (air) miles northeast of Quincy 2053 Comment
  SEINET10451927  Trifolium productum Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4320 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  UCSC011149  Trifolium variegatum Lowell Ahart 2006-10-23 13481 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 northeast of Strawberry Valley 1281 Comment
  CDA28056  Trifolium variegatum var. geminiflorum L. Ahart 2003-7-18 10423 Plumas On the north side of the road, about 1/4 mile west of Lumpkin Ridge Road, about 1 1/2 miles southeast of Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. Comment
  UC631443  Trifolium variegatum var. variegatum A. A. Heller and P. B. Kennedy 1907-7-13 8835 Plumas Between Taylorille and Little Grizzly creek Comment
  CDA28067  Trifolium wormskioldii L. Ahart 2003-9-7 10556 Plumas 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. Comment
  CAS-BOT-BC199705  Trisetum canescens John Thomas Howell 1961-6-21 36630 Plumas Greenville 1097 Comment
  UC1191234  Triteleia hyacinthina Malcolm A. Nobs and S. Galen Smith 1949-8-19 1444 Plumas bog and marsh Butterfly Valley Comment
  CAS-BOT-BC521577  Triteleia hyacinthina Anna Head 1920-6-1 s.n. Plumas Trail to Gray Eagle Falls 1889 Comment
  JEPS103403  Triteleia ixioides subsp. anilina Lowell Ahart 2002-7-2 9825 Plumas In a logged over area on the S side of Forest Road 22N94, E of Forest Road 22N94E, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1606 Comment
  CDA14597  Triteleia montana G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3081 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC63302  Triteleia montana Lowell Ahart 1994-6-15 7329 Plumas On the wet side of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  CAS-BOT-BC527387  Triteleia montana A. A. Heller 1938-6-22 15177 Plumas On the gravelly plain near the airfield west of Chester 1304 Comment
  CAS-BOT-BC74009  Turritis glabra John Thomas Howell 1960-7-20 35729 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC74011  Turritis glabra John Thomas Howell; Gordon H. True 1969-6-23 45836 Plumas Sierra Nevada. Middle Fork of Feather River at Nelson Point. 1249 Comment
  HSC93183  Urtica dioica subsp. holosericea Vernon H. Oswald, L. Ahart 1996-7-15 8015 Plumas E side of the arm of Lake Almanor extending N from Hwy. 36 causeway, S of the point where the road to Last Chance Campground begins to parallel the lake, High Cascade Range. 1372 Comment
  UCD121827  Utricularia intermedia Barry Rice 2004-8-22 BR 040807 Plumas along the northeast shore of Lake Almanor. Comment
  UC217661  Utricularia macrorhiza Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CHSC45296  Utricularia minor Vernon Oswald 1988-9-11 3698 Plumas Green Island Lake located ca. 7 mi (air) se of Jonesville. 1859 Comment
  UCD121873  Utricularia minor Barry Meyers-Rice 1997-8-2 MR 970802 Plumas southeast shoreline of Willow Lake. Comment
  CAS-BOT-BC240362  Utricularia ochroleuca V. Oswald; L. Ahart 1988-8-4 3676 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park 1676 Comment
  UCD121884  Utricularia ochroleuca Malcolm A. Nobs; S. Galen Smith 1949-8-18 1369 Plumas Last Chance Marshes at north end of Lake Almanor, just south of Chester. Comment
  CAS-BOT-BC391304  Vaccaria hispanica Mary Strong Clemens 1920-6-30 s.n. Plumas Greenville Comment
  CAS-BOT-BC199169  Vaccinium cespitosum Walter Knight; Irja Knight 1966-6-18 1295 Plumas Butterfly Valley 1143 Comment
  CAS-BOT-BC199171  Vaccinium cespitosum Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  CHSC114176  Vaccinium membranaceum Loren Gehrung 1994-8-19 184 Plumas On un-named tributary to East Branch Coldwater Ck. 2 mi ssw of Faggs Reservoir. Northeast-facing slope. 1658 Comment
  CHSC77284  Vaccinium membranaceum Loren Gehrung 1997-8-30 145 Plumas 4 mi south of Bucks Lake. On northeast-facing slope overlooking Willow Ck. 1554 Comment
  UCD118063  Vaccinium membranaceum Loren Gehrung 1993-8-21 183 Plumas On un-named tributary to East Branch Coldwater Ck. 2 mi ssw of Faggs Reservoir. 1658 Comment
  JEPS62193  Veratrum californicum var. californicum Esther C. Fritz 1933-7-27 Plumas Monte Cristo Mine trail Spanish Peak 2042 Comment
  CHSC20840  Veronica americana K. R. Stern 1975-7-24 5813 Plumas E. shore of Lake Almanor. 1371 Comment
  SEINET10547663  Veronica americana Patricia L. Kenney 1973-6-5 Kenney 416 Plumas Along roadside of hwy 89, 5 mi n of jct of hwy 70 & 89. Yellow pine, douglas fir And oaks. 1067 Comment
  CHSC40652  Veronica peregrina subsp. xalapensis Lowell Ahart 1985-9-26 5181 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CHSC94633  Veronica peregrina subsp. xalapensis Lowell Ahart 2006-10-8 13418 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
  RSA59434  Veronica peregrina subsp. xalapensis E. K. Balls 1950-9-15 15848 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  UC1143054  Veronica peregrina subsp. xalapensis E. Sawyer 1935-6-28 259 Plumas 5 mi sse of The Buttes 1493 Comment
  CDA17243  Veronica scutellata G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16270 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  CHSC74131  Veronica scutellata B. Castro; L. P. Janeway 1998-8-29 835 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, opposite floating bog. 1661 Comment
  CHSC21124  Veronica serpyllifolia subsp. humifusa F. T. Griggs; A. Pass 1975-7-2 43 Plumas East of road. Buck's Lake Forest Service Survey. Comment
  CHSC61682  Veronica wormskjoldii Vernon H. Oswald; Lowell Ahart 1993-8-25 5856 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-BC263847  Viola John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2122 Plumas Butterfly Botanical Area and Vicinity. At spring 1127 Comment
  CAS-BOT-BC264009  Viola adunca Ella Dales Cantelow 1939-5-20 4558 Plumas About 3 miles E of Bucks Lake Lodge Comment
  UC1586401  Viola adunca Vernon H. Oswald and Lowell Ahart 1991-6-18 4693 Plumas 0.8 air mi e of Homer Lake (Forest Rd 28N68A, 1.6 mi s of it's junction with Forest Rd 28N68, 5.25 air mi n of Greenville) 2011 Comment
  UC1761417  Viola bakeri Elmer I. Applegate 1929-6-20 5764 Plumas near Drakesbad (Warner Valley); Mount Lassen, E base of 1524 Comment
  CHSC2004  Viola beckwithii V. Holt 1931-5-16 Plumas Humbug Valley. 1219 Comment
  SEINET10480201  Viola glabella Mary Susan Taylor 1982-5-25 Taylor 4529 Plumas 4700 ft. T23N R11E ne/se sec 18. Blue Nose Mt quad. Along small shady creek crossing Peoria Creek Rd (23N10), 4.6 mi w of its jct with Poplar Creek just s of Sloat. 1432 Comment
  CAS-BOT-BC537107  Viola lobata Mary Strong Clemens 1920-6-1 s.n. Plumas Greenville Comment
  UC1121582  Viola lobata subsp. integrifolia D. Axelrod 1934-6-9 31 Plumas 2 1/2 mi w of Lexington Hill; Plumas National Forest 1706 Comment
  POM160301  Viola lobata subsp. integrifolia Unspecified 1889-05 s.n. Plumas Mowhawk Valley. Comment
  JEPS48889  Viola macloskeyi Esther C. Fritz 1933-7-4 Plumas Spanish Peak 2133 Comment
  SD46710  Viola macloskeyi Robert J. Weatherby 1955-6-26 1563 Plumas Near Lakes Ranger Station, Lakes Basin 1981 Comment
  UC1761988  Viola macloskeyi Herbert A. Thomas 1936-6-22 132 Plumas Jacks Meadow, Camp Califorest, Meadow Valley P.O. 1767 Comment
  CHSC54329  Viola purpurea subsp. dimorpha Vernon H. Oswald; Lowell Ahart 1991-6-18 4680 Plumas Forest Rd 28N38, 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  UC1586427  Viola purpurea subsp. integrifolia Vernon H. Oswald and Lowell Ahart 1991-6-18 4680 Plumas 4 air mi n of Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  HSC100133  Viola purpurea subsp. venosa G. Douglas Barbe, T. C. Fuller 1982-6-15 3723 Plumas Red Hill Summit, Plumas National Forest. 1902 Comment
  SEINET11122143  Viola purpurea subsp. venosa T. Ramelli 1948-5-16 37 Plumas 2.5 miles north of Chilcoat, California 1524 Comment
  UC1761839  Viola sheltonii Helen K. Myers Apr 1931 Plumas Seneca Comment
  UC566983  Viola tomentosa D. Axelrod 1934-6-12 40 Plumas Little Grass Valley 1524 Comment
  RSA189387  Vulpia microstachys var. pauciflora L. S. Rose 1967-6-12 67115 Plumas Butterfly Valley, ca. 3 miles W of Keddie. 1220 Comment
  CHSC84993  Woodsia scopulina Lowell Ahart 2003-10-17 10653 Plumas Cliffs north of Humboldt Peak, on the south side of the Pacific Crest Trail, about 1/2 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2042 Comment
  JEPS104152  Woodsia scopulina Lowell Ahart 2003-10-17 10653 Plumas Cliffs n of Humboldt Peak, on the south side of the Pacific Crest Trail, ca 1/2 mi e of Humboldt Summit, ca 8 mi (air) ne of Butte Meadows. 2042 Comment
  CAS-BOT-BC383555  Wyethia mollis Elmer I. Applegate 1929-6-21 5782 Plumas Between Kelly's Camp and Drakesbad Comment
  CAS-BOT-BC383564  Wyethia mollis John Thomas Howell 1960-7-21 35805 Plumas Lassen Volcanic National Park. Slopes near Terminal Geyser 1828 Comment
  UCD139957  Xerophyllum tenax Collector Unknown Date Unknown s.n. Plumas exact location unknown. Comment
  UC367027  Zigadenus paniculatus J. G. Lemmon and wife 1883-7-1 Plumas near Quincy (Thompson's Ranch); Thompson's Ranch Comment
  CAS-BOT-BC533134  Zigadenus paniculatus Lewis S. Rose 1963-6-4 63120 Plumas Sierra Valley, 1 mi s of Beckwourth 1463 Comment
  SACT002596  Zizania aquatica Malcolm Nobs, S. Smith 1949-8-19 Plumas Growing in 6 inches to 1 foot of water in a canal with Typha and Sparganium. Marshy area about 2 miles south of Greenville, Indian Valley, Plumas County. Comment



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